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Merge branch 'vim-with-runtime' into feat/tagfunc
[vim_extended.git] / src / ex_docmd.c
blob13e26d514cb33d160ca93e0ca89e928cf9c4447a
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 int uc_compl; /* completion type */
30 # ifdef FEAT_EVAL
31 scid_T uc_scriptID; /* SID where the command was defined */
32 # ifdef FEAT_CMDL_COMPL
33 char_u *uc_compl_arg; /* completion argument if any */
34 # endif
35 # endif
36 } ucmd_T;
37
38 #define UC_BUFFER 1 /* -buffer: local to current buffer */
39
40 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
41
42 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
43 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
44
45 static void do_ucmd __ARGS((exarg_T *eap));
46 static void ex_command __ARGS((exarg_T *eap));
47 static void ex_delcommand __ARGS((exarg_T *eap));
48 # ifdef FEAT_CMDL_COMPL
49 static char_u *get_user_command_name __ARGS((int idx));
50 # endif
51
52 #else
53 # define ex_command ex_ni
54 # define ex_comclear ex_ni
55 # define ex_delcommand ex_ni
56 #endif
57
58 #ifdef FEAT_EVAL
59 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
60 #else
61 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
62 static int if_level = 0; /* depth in :if */
63 #endif
64 static char_u *find_command __ARGS((exarg_T *eap, int *full));
65
66 static void ex_abbreviate __ARGS((exarg_T *eap));
67 static void ex_map __ARGS((exarg_T *eap));
68 static void ex_unmap __ARGS((exarg_T *eap));
69 static void ex_mapclear __ARGS((exarg_T *eap));
70 static void ex_abclear __ARGS((exarg_T *eap));
71 #ifndef FEAT_MENU
72 # define ex_emenu ex_ni
73 # define ex_menu ex_ni
74 # define ex_menutranslate ex_ni
75 #endif
76 #ifdef FEAT_AUTOCMD
77 static void ex_autocmd __ARGS((exarg_T *eap));
78 static void ex_doautocmd __ARGS((exarg_T *eap));
79 #else
80 # define ex_autocmd ex_ni
81 # define ex_doautocmd ex_ni
82 # define ex_doautoall ex_ni
83 #endif
84 #ifdef FEAT_LISTCMDS
85 static void ex_bunload __ARGS((exarg_T *eap));
86 static void ex_buffer __ARGS((exarg_T *eap));
87 static void ex_bmodified __ARGS((exarg_T *eap));
88 static void ex_bnext __ARGS((exarg_T *eap));
89 static void ex_bprevious __ARGS((exarg_T *eap));
90 static void ex_brewind __ARGS((exarg_T *eap));
91 static void ex_blast __ARGS((exarg_T *eap));
92 #else
93 # define ex_bunload ex_ni
94 # define ex_buffer ex_ni
95 # define ex_bmodified ex_ni
96 # define ex_bnext ex_ni
97 # define ex_bprevious ex_ni
98 # define ex_brewind ex_ni
99 # define ex_blast ex_ni
100 # define buflist_list ex_ni
101 # define ex_checktime ex_ni
102 #endif
103 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
104 # define ex_buffer_all ex_ni
105 #endif
106 static char_u *getargcmd __ARGS((char_u **));
107 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
108 static int getargopt __ARGS((exarg_T *eap));
109 #ifndef FEAT_QUICKFIX
110 # define ex_make ex_ni
111 # define ex_cbuffer ex_ni
112 # define ex_cc ex_ni
113 # define ex_cnext ex_ni
114 # define ex_cfile ex_ni
115 # define qf_list ex_ni
116 # define qf_age ex_ni
117 # define ex_helpgrep ex_ni
118 # define ex_vimgrep ex_ni
119 #endif
120 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
121 # define ex_cclose ex_ni
122 # define ex_copen ex_ni
123 # define ex_cwindow ex_ni
124 #endif
125 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
126 # define ex_cexpr ex_ni
127 #endif
128
129 static int check_more __ARGS((int, int));
130 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
131 static void get_flags __ARGS((exarg_T *eap));
132 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
133 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
134 # define HAVE_EX_SCRIPT_NI
135 static void ex_script_ni __ARGS((exarg_T *eap));
136 #endif
137 static char_u *invalid_range __ARGS((exarg_T *eap));
138 static void correct_range __ARGS((exarg_T *eap));
139 #ifdef FEAT_QUICKFIX
140 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
141 #endif
142 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
143 static void ex_highlight __ARGS((exarg_T *eap));
144 static void ex_colorscheme __ARGS((exarg_T *eap));
145 static void ex_quit __ARGS((exarg_T *eap));
146 static void ex_cquit __ARGS((exarg_T *eap));
147 static void ex_quit_all __ARGS((exarg_T *eap));
148 #ifdef FEAT_WINDOWS
149 static void ex_close __ARGS((exarg_T *eap));
150 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
151 static void ex_only __ARGS((exarg_T *eap));
152 static void ex_resize __ARGS((exarg_T *eap));
153 static void ex_stag __ARGS((exarg_T *eap));
154 static void ex_tabclose __ARGS((exarg_T *eap));
155 static void ex_tabonly __ARGS((exarg_T *eap));
156 static void ex_tabnext __ARGS((exarg_T *eap));
157 static void ex_tabmove __ARGS((exarg_T *eap));
158 static void ex_tabs __ARGS((exarg_T *eap));
159 #else
160 # define ex_close ex_ni
161 # define ex_only ex_ni
162 # define ex_all ex_ni
163 # define ex_resize ex_ni
164 # define ex_splitview ex_ni
165 # define ex_stag ex_ni
166 # define ex_tabnext ex_ni
167 # define ex_tabmove ex_ni
168 # define ex_tabs ex_ni
169 # define ex_tabclose ex_ni
170 # define ex_tabonly ex_ni
171 #endif
172 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
173 static void ex_pclose __ARGS((exarg_T *eap));
174 static void ex_ptag __ARGS((exarg_T *eap));
175 static void ex_pedit __ARGS((exarg_T *eap));
176 #else
177 # define ex_pclose ex_ni
178 # define ex_ptag ex_ni
179 # define ex_pedit ex_ni
180 #endif
181 static void ex_hide __ARGS((exarg_T *eap));
182 static void ex_stop __ARGS((exarg_T *eap));
183 static void ex_exit __ARGS((exarg_T *eap));
184 static void ex_print __ARGS((exarg_T *eap));
185 #ifdef FEAT_BYTEOFF
186 static void ex_goto __ARGS((exarg_T *eap));
187 #else
188 # define ex_goto ex_ni
189 #endif
190 static void ex_shell __ARGS((exarg_T *eap));
191 static void ex_preserve __ARGS((exarg_T *eap));
192 static void ex_recover __ARGS((exarg_T *eap));
193 #ifndef FEAT_LISTCMDS
194 # define ex_argedit ex_ni
195 # define ex_argadd ex_ni
196 # define ex_argdelete ex_ni
197 # define ex_listdo ex_ni
198 #endif
199 static void ex_mode __ARGS((exarg_T *eap));
200 static void ex_wrongmodifier __ARGS((exarg_T *eap));
201 static void ex_find __ARGS((exarg_T *eap));
202 static void ex_open __ARGS((exarg_T *eap));
203 static void ex_edit __ARGS((exarg_T *eap));
204 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
205 # define ex_drop ex_ni
206 #endif
207 #ifndef FEAT_GUI
208 # define ex_gui ex_nogui
209 static void ex_nogui __ARGS((exarg_T *eap));
210 #endif
211 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
212 static void ex_tearoff __ARGS((exarg_T *eap));
213 #else
214 # define ex_tearoff ex_ni
215 #endif
216 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
217 static void ex_popup __ARGS((exarg_T *eap));
218 #else
219 # define ex_popup ex_ni
220 #endif
221 #ifndef FEAT_GUI_MSWIN
222 # define ex_simalt ex_ni
223 #endif
224 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
225 # define gui_mch_find_dialog ex_ni
226 # define gui_mch_replace_dialog ex_ni
227 #endif
228 #if !defined(FEAT_GUI_GTK)
229 # define ex_helpfind ex_ni
230 #endif
231 #ifndef FEAT_CSCOPE
232 # define do_cscope ex_ni
233 # define do_scscope ex_ni
234 # define do_cstag ex_ni
235 #endif
236 #ifndef FEAT_SYN_HL
237 # define ex_syntax ex_ni
238 #endif
239 #ifndef FEAT_SPELL
240 # define ex_spell ex_ni
241 # define ex_mkspell ex_ni
242 # define ex_spelldump ex_ni
243 # define ex_spellinfo ex_ni
244 # define ex_spellrepall ex_ni
245 #endif
246 #ifndef FEAT_MZSCHEME
247 # define ex_mzscheme ex_script_ni
248 # define ex_mzfile ex_ni
249 #endif
250 #ifndef FEAT_PERL
251 # define ex_perl ex_script_ni
252 # define ex_perldo ex_ni
253 #endif
254 #ifndef FEAT_PYTHON
255 # define ex_python ex_script_ni
256 # define ex_pyfile ex_ni
257 #endif
258 #ifndef FEAT_TCL
259 # define ex_tcl ex_script_ni
260 # define ex_tcldo ex_ni
261 # define ex_tclfile ex_ni
262 #endif
263 #ifndef FEAT_RUBY
264 # define ex_ruby ex_script_ni
265 # define ex_rubydo ex_ni
266 # define ex_rubyfile ex_ni
267 #endif
268 #ifndef FEAT_SNIFF
269 # define ex_sniff ex_ni
270 #endif
271 #ifndef FEAT_KEYMAP
272 # define ex_loadkeymap ex_ni
273 #endif
274 static void ex_swapname __ARGS((exarg_T *eap));
275 static void ex_syncbind __ARGS((exarg_T *eap));
276 static void ex_read __ARGS((exarg_T *eap));
277 static void ex_pwd __ARGS((exarg_T *eap));
278 static void ex_equal __ARGS((exarg_T *eap));
279 static void ex_sleep __ARGS((exarg_T *eap));
280 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
281 static void ex_winsize __ARGS((exarg_T *eap));
282 #ifdef FEAT_WINDOWS
283 static void ex_wincmd __ARGS((exarg_T *eap));
284 #else
285 # define ex_wincmd ex_ni
286 #endif
287 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
288 static void ex_winpos __ARGS((exarg_T *eap));
289 #else
290 # define ex_winpos ex_ni
291 #endif
292 static void ex_operators __ARGS((exarg_T *eap));
293 static void ex_put __ARGS((exarg_T *eap));
294 static void ex_copymove __ARGS((exarg_T *eap));
295 static void ex_may_print __ARGS((exarg_T *eap));
296 static void ex_submagic __ARGS((exarg_T *eap));
297 static void ex_join __ARGS((exarg_T *eap));
298 static void ex_at __ARGS((exarg_T *eap));
299 static void ex_bang __ARGS((exarg_T *eap));
300 static void ex_undo __ARGS((exarg_T *eap));
301 static void ex_redo __ARGS((exarg_T *eap));
302 static void ex_later __ARGS((exarg_T *eap));
303 static void ex_redir __ARGS((exarg_T *eap));
304 static void ex_redraw __ARGS((exarg_T *eap));
305 static void ex_redrawstatus __ARGS((exarg_T *eap));
306 static void close_redir __ARGS((void));
307 static void ex_mkrc __ARGS((exarg_T *eap));
308 static void ex_mark __ARGS((exarg_T *eap));
309 #ifdef FEAT_USR_CMDS
310 static char_u *uc_fun_cmd __ARGS((void));
311 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
312 #endif
313 #ifdef FEAT_EX_EXTRA
314 static void ex_normal __ARGS((exarg_T *eap));
315 static void ex_startinsert __ARGS((exarg_T *eap));
316 static void ex_stopinsert __ARGS((exarg_T *eap));
317 #else
318 # define ex_normal ex_ni
319 # define ex_align ex_ni
320 # define ex_retab ex_ni
321 # define ex_startinsert ex_ni
322 # define ex_stopinsert ex_ni
323 # define ex_helptags ex_ni
324 # define ex_sort ex_ni
325 #endif
326 #ifdef FEAT_FIND_ID
327 static void ex_checkpath __ARGS((exarg_T *eap));
328 static void ex_findpat __ARGS((exarg_T *eap));
329 #else
330 # define ex_findpat ex_ni
331 # define ex_checkpath ex_ni
332 #endif
333 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
334 static void ex_psearch __ARGS((exarg_T *eap));
335 #else
336 # define ex_psearch ex_ni
337 #endif
338 static void ex_tag __ARGS((exarg_T *eap));
339 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
340 #ifndef FEAT_EVAL
341 # define ex_scriptnames ex_ni
342 # define ex_finish ex_ni
343 # define ex_echo ex_ni
344 # define ex_echohl ex_ni
345 # define ex_execute ex_ni
346 # define ex_call ex_ni
347 # define ex_if ex_ni
348 # define ex_endif ex_ni
349 # define ex_else ex_ni
350 # define ex_while ex_ni
351 # define ex_for ex_ni
352 # define ex_continue ex_ni
353 # define ex_break ex_ni
354 # define ex_endwhile ex_ni
355 # define ex_endfor ex_ni
356 # define ex_throw ex_ni
357 # define ex_try ex_ni
358 # define ex_catch ex_ni
359 # define ex_finally ex_ni
360 # define ex_endtry ex_ni
361 # define ex_endfunction ex_ni
362 # define ex_let ex_ni
363 # define ex_unlet ex_ni
364 # define ex_lockvar ex_ni
365 # define ex_unlockvar ex_ni
366 # define ex_function ex_ni
367 # define ex_delfunction ex_ni
368 # define ex_return ex_ni
369 # define ex_oldfiles ex_ni
370 #endif
371 static char_u *arg_all __ARGS((void));
372 #ifdef FEAT_SESSION
373 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
374 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
375 static void ex_loadview __ARGS((exarg_T *eap));
376 static char_u *get_view_file __ARGS((int c));
377 static int did_lcd; /* whether ":lcd" was produced for a session */
378 #else
379 # define ex_loadview ex_ni
380 #endif
381 #ifndef FEAT_EVAL
382 # define ex_compiler ex_ni
383 #endif
384 #ifdef FEAT_VIMINFO
385 static void ex_viminfo __ARGS((exarg_T *eap));
386 #else
387 # define ex_viminfo ex_ni
388 #endif
389 static void ex_behave __ARGS((exarg_T *eap));
390 #ifdef FEAT_AUTOCMD
391 static void ex_filetype __ARGS((exarg_T *eap));
392 static void ex_setfiletype __ARGS((exarg_T *eap));
393 #else
394 # define ex_filetype ex_ni
395 # define ex_setfiletype ex_ni
396 #endif
397 #ifndef FEAT_DIFF
398 # define ex_diffoff ex_ni
399 # define ex_diffpatch ex_ni
400 # define ex_diffgetput ex_ni
401 # define ex_diffsplit ex_ni
402 # define ex_diffthis ex_ni
403 # define ex_diffupdate ex_ni
404 #endif
405 static void ex_digraphs __ARGS((exarg_T *eap));
406 static void ex_set __ARGS((exarg_T *eap));
407 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
408 # define ex_options ex_ni
409 #endif
410 #ifdef FEAT_SEARCH_EXTRA
411 static void ex_nohlsearch __ARGS((exarg_T *eap));
412 static void ex_match __ARGS((exarg_T *eap));
413 #else
414 # define ex_nohlsearch ex_ni
415 # define ex_match ex_ni
416 #endif
417 #ifdef FEAT_CRYPT
418 static void ex_X __ARGS((exarg_T *eap));
419 #else
420 # define ex_X ex_ni
421 #endif
422 #ifdef FEAT_FOLDING
423 static void ex_fold __ARGS((exarg_T *eap));
424 static void ex_foldopen __ARGS((exarg_T *eap));
425 static void ex_folddo __ARGS((exarg_T *eap));
426 #else
427 # define ex_fold ex_ni
428 # define ex_foldopen ex_ni
429 # define ex_folddo ex_ni
430 #endif
431 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
432 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
433 # define ex_language ex_ni
434 #endif
435 #ifndef FEAT_SIGNS
436 # define ex_sign ex_ni
437 #endif
438 #ifndef FEAT_SUN_WORKSHOP
439 # define ex_wsverb ex_ni
440 #endif
441 #ifndef FEAT_NETBEANS_INTG
442 # define ex_nbkey ex_ni
443 #endif
444
445 #ifndef FEAT_EVAL
446 # define ex_debug ex_ni
447 # define ex_breakadd ex_ni
448 # define ex_debuggreedy ex_ni
449 # define ex_breakdel ex_ni
450 # define ex_breaklist ex_ni
451 #endif
452
453 #ifndef FEAT_CMDHIST
454 # define ex_history ex_ni
455 #endif
456 #ifndef FEAT_JUMPLIST
457 # define ex_jumps ex_ni
458 # define ex_changes ex_ni
459 #endif
460
461 #ifndef FEAT_PROFILE
462 # define ex_profile ex_ni
463 #endif
464
465 /*
466 * Declare cmdnames[].
467 */
468 #define DO_DECLARE_EXCMD
469 #include "ex_cmds.h"
470
471 /*
472 * Table used to quickly search for a command, based on its first character.
473 */
474 static cmdidx_T cmdidxs[27] =
475 {
476 CMD_append,
477 CMD_buffer,
478 CMD_change,
479 CMD_delete,
480 CMD_edit,
481 CMD_file,
482 CMD_global,
483 CMD_help,
484 CMD_insert,
485 CMD_join,
486 CMD_k,
487 CMD_list,
488 CMD_move,
489 CMD_next,
490 CMD_open,
491 CMD_print,
492 CMD_quit,
493 CMD_read,
494 CMD_substitute,
495 CMD_t,
496 CMD_undo,
497 CMD_vglobal,
498 CMD_write,
499 CMD_xit,
500 CMD_yank,
501 CMD_z,
502 CMD_bang
503 };
504
505 static char_u dollar_command[2] = {'$', 0};
506
507
508 #ifdef FEAT_EVAL
509 /* Struct for storing a line inside a while/for loop */
510 typedef struct
511 {
512 char_u *line; /* command line */
513 linenr_T lnum; /* sourcing_lnum of the line */
514 } wcmd_T;
515
516 /*
517 * Structure used to store info for line position in a while or for loop.
518 * This is required, because do_one_cmd() may invoke ex_function(), which
519 * reads more lines that may come from the while/for loop.
520 */
521 struct loop_cookie
522 {
523 garray_T *lines_gap; /* growarray with line info */
524 int current_line; /* last read line from growarray */
525 int repeating; /* TRUE when looping a second time */
526 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
527 char_u *(*getline) __ARGS((int, void *, int));
528 void *cookie;
529 };
530
531 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
532 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
533 static void free_cmdlines __ARGS((garray_T *gap));
534
535 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
536 struct dbg_stuff
537 {
538 int trylevel;
539 int force_abort;
540 except_T *caught_stack;
541 char_u *vv_exception;
542 char_u *vv_throwpoint;
543 int did_emsg;
544 int got_int;
545 int did_throw;
546 int need_rethrow;
547 int check_cstack;
548 except_T *current_exception;
549 };
550
551 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
552 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
553
554 static void
555 save_dbg_stuff(dsp)
556 struct dbg_stuff *dsp;
557 {
558 dsp->trylevel = trylevel; trylevel = 0;
559 dsp->force_abort = force_abort; force_abort = FALSE;
560 dsp->caught_stack = caught_stack; caught_stack = NULL;
561 dsp->vv_exception = v_exception(NULL);
562 dsp->vv_throwpoint = v_throwpoint(NULL);
563
564 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
565 dsp->did_emsg = did_emsg; did_emsg = FALSE;
566 dsp->got_int = got_int; got_int = FALSE;
567 dsp->did_throw = did_throw; did_throw = FALSE;
568 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
569 dsp->check_cstack = check_cstack; check_cstack = FALSE;
570 dsp->current_exception = current_exception; current_exception = NULL;
571 }
572
573 static void
574 restore_dbg_stuff(dsp)
575 struct dbg_stuff *dsp;
576 {
577 suppress_errthrow = FALSE;
578 trylevel = dsp->trylevel;
579 force_abort = dsp->force_abort;
580 caught_stack = dsp->caught_stack;
581 (void)v_exception(dsp->vv_exception);
582 (void)v_throwpoint(dsp->vv_throwpoint);
583 did_emsg = dsp->did_emsg;
584 got_int = dsp->got_int;
585 did_throw = dsp->did_throw;
586 need_rethrow = dsp->need_rethrow;
587 check_cstack = dsp->check_cstack;
588 current_exception = dsp->current_exception;
589 }
590 #endif
591
592
593 /*
594 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
595 * command is given.
596 */
597 void
598 do_exmode(improved)
599 int improved; /* TRUE for "improved Ex" mode */
600 {
601 int save_msg_scroll;
602 int prev_msg_row;
603 linenr_T prev_line;
604 int changedtick;
605
606 if (improved)
607 exmode_active = EXMODE_VIM;
608 else
609 exmode_active = EXMODE_NORMAL;
610 State = NORMAL;
611
612 /* When using ":global /pat/ visual" and then "Q" we return to continue
613 * the :global command. */
614 if (global_busy)
615 return;
616
617 save_msg_scroll = msg_scroll;
618 ++RedrawingDisabled; /* don't redisplay the window */
619 ++no_wait_return; /* don't wait for return */
620 #ifdef FEAT_GUI
621 /* Ignore scrollbar and mouse events in Ex mode */
622 ++hold_gui_events;
623 #endif
624 #ifdef FEAT_SNIFF
625 want_sniff_request = 0; /* No K_SNIFF wanted */
626 #endif
627
628 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
629 while (exmode_active)
630 {
631 #ifdef FEAT_EX_EXTRA
632 /* Check for a ":normal" command and no more characters left. */
633 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
634 {
635 exmode_active = FALSE;
636 break;
637 }
638 #endif
639 msg_scroll = TRUE;
640 need_wait_return = FALSE;
641 ex_pressedreturn = FALSE;
642 ex_no_reprint = FALSE;
643 changedtick = curbuf->b_changedtick;
644 prev_msg_row = msg_row;
645 prev_line = curwin->w_cursor.lnum;
646 #ifdef FEAT_SNIFF
647 ProcessSniffRequests();
648 #endif
649 if (improved)
650 {
651 cmdline_row = msg_row;
652 do_cmdline(NULL, getexline, NULL, 0);
653 }
654 else
655 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
656 lines_left = Rows - 1;
657
658 if ((prev_line != curwin->w_cursor.lnum
659 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
660 {
661 if (curbuf->b_ml.ml_flags & ML_EMPTY)
662 EMSG(_(e_emptybuf));
663 else
664 {
665 if (ex_pressedreturn)
666 {
667 /* go up one line, to overwrite the ":<CR>" line, so the
668 * output doesn't contain empty lines. */
669 msg_row = prev_msg_row;
670 if (prev_msg_row == Rows - 1)
671 msg_row--;
672 }
673 msg_col = 0;
674 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
675 msg_clr_eos();
676 }
677 }
678 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
679 {
680 if (curbuf->b_ml.ml_flags & ML_EMPTY)
681 EMSG(_(e_emptybuf));
682 else
683 EMSG(_("E501: At end-of-file"));
684 }
685 }
686
687 #ifdef FEAT_GUI
688 --hold_gui_events;
689 #endif
690 --RedrawingDisabled;
691 --no_wait_return;
692 update_screen(CLEAR);
693 need_wait_return = FALSE;
694 msg_scroll = save_msg_scroll;
695 }
696
697 /*
698 * Execute a simple command line. Used for translated commands like "*".
699 */
700 int
701 do_cmdline_cmd(cmd)
702 char_u *cmd;
703 {
704 return do_cmdline(cmd, NULL, NULL,
705 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
706 }
707
708 /*
709 * do_cmdline(): execute one Ex command line
710 *
711 * 1. Execute "cmdline" when it is not NULL.
712 * If "cmdline" is NULL, or more lines are needed, getline() is used.
713 * 2. Split up in parts separated with '|'.
714 *
715 * This function can be called recursively!
716 *
717 * flags:
718 * DOCMD_VERBOSE - The command will be included in the error message.
719 * DOCMD_NOWAIT - Don't call wait_return() and friends.
720 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
721 * DOCMD_KEYTYPED - Don't reset KeyTyped.
722 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
723 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
724 *
725 * return FAIL if cmdline could not be executed, OK otherwise
726 */
727 int
728 do_cmdline(cmdline, getline, cookie, flags)
729 char_u *cmdline;
730 char_u *(*getline) __ARGS((int, void *, int));
731 void *cookie; /* argument for getline() */
732 int flags;
733 {
734 char_u *next_cmdline; /* next cmd to execute */
735 char_u *cmdline_copy = NULL; /* copy of cmd line */
736 int used_getline = FALSE; /* used "getline" to obtain command */
737 static int recursive = 0; /* recursive depth */
738 int msg_didout_before_start = 0;
739 int count = 0; /* line number count */
740 int did_inc = FALSE; /* incremented RedrawingDisabled */
741 int retval = OK;
742 #ifdef FEAT_EVAL
743 struct condstack cstack; /* conditional stack */
744 garray_T lines_ga; /* keep lines for ":while"/":for" */
745 int current_line = 0; /* active line in lines_ga */
746 char_u *fname = NULL; /* function or script name */
747 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
748 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
749 struct dbg_stuff debug_saved; /* saved things for debug mode */
750 int initial_trylevel;
751 struct msglist **saved_msg_list = NULL;
752 struct msglist *private_msg_list;
753
754 /* "getline" and "cookie" passed to do_one_cmd() */
755 char_u *(*cmd_getline) __ARGS((int, void *, int));
756 void *cmd_cookie;
757 struct loop_cookie cmd_loop_cookie;
758 void *real_cookie;
759 int getline_is_func;
760 #else
761 # define cmd_getline getline
762 # define cmd_cookie cookie
763 #endif
764 static int call_depth = 0; /* recursiveness */
765
766 #ifdef FEAT_EVAL
767 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
768 * location for storing error messages to be converted to an exception.
769 * This ensures that the do_errthrow() call in do_one_cmd() does not
770 * combine the messages stored by an earlier invocation of do_one_cmd()
771 * with the command name of the later one. This would happen when
772 * BufWritePost autocommands are executed after a write error. */
773 saved_msg_list = msg_list;
774 msg_list = &private_msg_list;
775 private_msg_list = NULL;
776 #endif
777
778 /* It's possible to create an endless loop with ":execute", catch that
779 * here. The value of 200 allows nested function calls, ":source", etc. */
780 if (call_depth == 200)
781 {
782 EMSG(_("E169: Command too recursive"));
783 #ifdef FEAT_EVAL
784 /* When converting to an exception, we do not include the command name
785 * since this is not an error of the specific command. */
786 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
787 msg_list = saved_msg_list;
788 #endif
789 return FAIL;
790 }
791 ++call_depth;
792
793 #ifdef FEAT_EVAL
794 cstack.cs_idx = -1;
795 cstack.cs_looplevel = 0;
796 cstack.cs_trylevel = 0;
797 cstack.cs_emsg_silent_list = NULL;
798 cstack.cs_lflags = 0;
799 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
800
801 real_cookie = getline_cookie(getline, cookie);
802
803 /* Inside a function use a higher nesting level. */
804 getline_is_func = getline_equal(getline, cookie, get_func_line);
805 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
806 ++ex_nesting_level;
807
808 /* Get the function or script name and the address where the next breakpoint
809 * line and the debug tick for a function or script are stored. */
810 if (getline_is_func)
811 {
812 fname = func_name(real_cookie);
813 breakpoint = func_breakpoint(real_cookie);
814 dbg_tick = func_dbg_tick(real_cookie);
815 }
816 else if (getline_equal(getline, cookie, getsourceline))
817 {
818 fname = sourcing_name;
819 breakpoint = source_breakpoint(real_cookie);
820 dbg_tick = source_dbg_tick(real_cookie);
821 }
822
823 /*
824 * Initialize "force_abort" and "suppress_errthrow" at the top level.
825 */
826 if (!recursive)
827 {
828 force_abort = FALSE;
829 suppress_errthrow = FALSE;
830 }
831
832 /*
833 * If requested, store and reset the global values controlling the
834 * exception handling (used when debugging). Otherwise clear it to avoid
835 * a bogus compiler warning when the optimizer uses inline functions...
836 */
837 if (flags & DOCMD_EXCRESET)
838 save_dbg_stuff(&debug_saved);
839 else
840 memset(&debug_saved, 0, 1);
841
842 initial_trylevel = trylevel;
843
844 /*
845 * "did_throw" will be set to TRUE when an exception is being thrown.
846 */
847 did_throw = FALSE;
848 #endif
849 /*
850 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
851 * cancel the whole command line, and any if/endif or loop.
852 * If force_abort is set, we cancel everything.
853 */
854 did_emsg = FALSE;
855
856 /*
857 * KeyTyped is only set when calling vgetc(). Reset it here when not
858 * calling vgetc() (sourced command lines).
859 */
860 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
861 KeyTyped = FALSE;
862
863 /*
864 * Continue executing command lines:
865 * - when inside an ":if", ":while" or ":for"
866 * - for multiple commands on one line, separated with '|'
867 * - when repeating until there are no more lines (for ":source")
868 */
869 next_cmdline = cmdline;
870 do
871 {
872 #ifdef FEAT_EVAL
873 getline_is_func = getline_equal(getline, cookie, get_func_line);
874 #endif
875
876 /* stop skipping cmds for an error msg after all endif/while/for */
877 if (next_cmdline == NULL
878 #ifdef FEAT_EVAL
879 && !force_abort
880 && cstack.cs_idx < 0
881 && !(getline_is_func && func_has_abort(real_cookie))
882 #endif
883 )
884 did_emsg = FALSE;
885
886 /*
887 * 1. If repeating a line in a loop, get a line from lines_ga.
888 * 2. If no line given: Get an allocated line with getline().
889 * 3. If a line is given: Make a copy, so we can mess with it.
890 */
891
892 #ifdef FEAT_EVAL
893 /* 1. If repeating, get a previous line from lines_ga. */
894 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
895 {
896 /* Each '|' separated command is stored separately in lines_ga, to
897 * be able to jump to it. Don't use next_cmdline now. */
898 vim_free(cmdline_copy);
899 cmdline_copy = NULL;
900
901 /* Check if a function has returned or, unless it has an unclosed
902 * try conditional, aborted. */
903 if (getline_is_func)
904 {
905 # ifdef FEAT_PROFILE
906 if (do_profiling == PROF_YES)
907 func_line_end(real_cookie);
908 # endif
909 if (func_has_ended(real_cookie))
910 {
911 retval = FAIL;
912 break;
913 }
914 }
915 #ifdef FEAT_PROFILE
916 else if (do_profiling == PROF_YES
917 && getline_equal(getline, cookie, getsourceline))
918 script_line_end();
919 #endif
920
921 /* Check if a sourced file hit a ":finish" command. */
922 if (source_finished(getline, cookie))
923 {
924 retval = FAIL;
925 break;
926 }
927
928 /* If breakpoints have been added/deleted need to check for it. */
929 if (breakpoint != NULL && dbg_tick != NULL
930 && *dbg_tick != debug_tick)
931 {
932 *breakpoint = dbg_find_breakpoint(
933 getline_equal(getline, cookie, getsourceline),
934 fname, sourcing_lnum);
935 *dbg_tick = debug_tick;
936 }
937
938 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
939 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
940
941 /* Did we encounter a breakpoint? */
942 if (breakpoint != NULL && *breakpoint != 0
943 && *breakpoint <= sourcing_lnum)
944 {
945 dbg_breakpoint(fname, sourcing_lnum);
946 /* Find next breakpoint. */
947 *breakpoint = dbg_find_breakpoint(
948 getline_equal(getline, cookie, getsourceline),
949 fname, sourcing_lnum);
950 *dbg_tick = debug_tick;
951 }
952 # ifdef FEAT_PROFILE
953 if (do_profiling == PROF_YES)
954 {
955 if (getline_is_func)
956 func_line_start(real_cookie);
957 else if (getline_equal(getline, cookie, getsourceline))
958 script_line_start();
959 }
960 # endif
961 }
962
963 if (cstack.cs_looplevel > 0)
964 {
965 /* Inside a while/for loop we need to store the lines and use them
966 * again. Pass a different "getline" function to do_one_cmd()
967 * below, so that it stores lines in or reads them from
968 * "lines_ga". Makes it possible to define a function inside a
969 * while/for loop. */
970 cmd_getline = get_loop_line;
971 cmd_cookie = (void *)&cmd_loop_cookie;
972 cmd_loop_cookie.lines_gap = &lines_ga;
973 cmd_loop_cookie.current_line = current_line;
974 cmd_loop_cookie.getline = getline;
975 cmd_loop_cookie.cookie = cookie;
976 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
977 }
978 else
979 {
980 cmd_getline = getline;
981 cmd_cookie = cookie;
982 }
983 #endif
984
985 /* 2. If no line given, get an allocated line with getline(). */
986 if (next_cmdline == NULL)
987 {
988 /*
989 * Need to set msg_didout for the first line after an ":if",
990 * otherwise the ":if" will be overwritten.
991 */
992 if (count == 1 && getline_equal(getline, cookie, getexline))
993 msg_didout = TRUE;
994 if (getline == NULL || (next_cmdline = getline(':', cookie,
995 #ifdef FEAT_EVAL
996 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
997 #else
998 0
999 #endif
1000 )) == NULL)
1001 {
1002 /* Don't call wait_return for aborted command line. The NULL
1003 * returned for the end of a sourced file or executed function
1004 * doesn't do this. */
1005 if (KeyTyped && !(flags & DOCMD_REPEAT))
1006 need_wait_return = FALSE;
1007 retval = FAIL;
1008 break;
1009 }
1010 used_getline = TRUE;
1011
1012 /*
1013 * Keep the first typed line. Clear it when more lines are typed.
1014 */
1015 if (flags & DOCMD_KEEPLINE)
1016 {
1017 vim_free(repeat_cmdline);
1018 if (count == 0)
1019 repeat_cmdline = vim_strsave(next_cmdline);
1020 else
1021 repeat_cmdline = NULL;
1022 }
1023 }
1024
1025 /* 3. Make a copy of the command so we can mess with it. */
1026 else if (cmdline_copy == NULL)
1027 {
1028 next_cmdline = vim_strsave(next_cmdline);
1029 if (next_cmdline == NULL)
1030 {
1031 EMSG(_(e_outofmem));
1032 retval = FAIL;
1033 break;
1034 }
1035 }
1036 cmdline_copy = next_cmdline;
1037
1038 #ifdef FEAT_EVAL
1039 /*
1040 * Save the current line when inside a ":while" or ":for", and when
1041 * the command looks like a ":while" or ":for", because we may need it
1042 * later. When there is a '|' and another command, it is stored
1043 * separately, because we need to be able to jump back to it from an
1044 * :endwhile/:endfor.
1045 */
1046 if (current_line == lines_ga.ga_len
1047 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1048 {
1049 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1050 {
1051 retval = FAIL;
1052 break;
1053 }
1054 }
1055 did_endif = FALSE;
1056 #endif
1057
1058 if (count++ == 0)
1059 {
1060 /*
1061 * All output from the commands is put below each other, without
1062 * waiting for a return. Don't do this when executing commands
1063 * from a script or when being called recursive (e.g. for ":e
1064 * +command file").
1065 */
1066 if (!(flags & DOCMD_NOWAIT) && !recursive)
1067 {
1068 msg_didout_before_start = msg_didout;
1069 msg_didany = FALSE; /* no output yet */
1070 msg_start();
1071 msg_scroll = TRUE; /* put messages below each other */
1072 ++no_wait_return; /* dont wait for return until finished */
1073 ++RedrawingDisabled;
1074 did_inc = TRUE;
1075 }
1076 }
1077
1078 if (p_verbose >= 15 && sourcing_name != NULL)
1079 {
1080 ++no_wait_return;
1081 verbose_enter_scroll();
1082
1083 smsg((char_u *)_("line %ld: %s"),
1084 (long)sourcing_lnum, cmdline_copy);
1085 if (msg_silent == 0)
1086 msg_puts((char_u *)"\n"); /* don't overwrite this */
1087
1088 verbose_leave_scroll();
1089 --no_wait_return;
1090 }
1091
1092 /*
1093 * 2. Execute one '|' separated command.
1094 * do_one_cmd() will return NULL if there is no trailing '|'.
1095 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1096 */
1097 ++recursive;
1098 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1099 #ifdef FEAT_EVAL
1100 &cstack,
1101 #endif
1102 cmd_getline, cmd_cookie);
1103 --recursive;
1104
1105 #ifdef FEAT_EVAL
1106 if (cmd_cookie == (void *)&cmd_loop_cookie)
1107 /* Use "current_line" from "cmd_loop_cookie", it may have been
1108 * incremented when defining a function. */
1109 current_line = cmd_loop_cookie.current_line;
1110 #endif
1111
1112 if (next_cmdline == NULL)
1113 {
1114 vim_free(cmdline_copy);
1115 cmdline_copy = NULL;
1116 #ifdef FEAT_CMDHIST
1117 /*
1118 * If the command was typed, remember it for the ':' register.
1119 * Do this AFTER executing the command to make :@: work.
1120 */
1121 if (getline_equal(getline, cookie, getexline)
1122 && new_last_cmdline != NULL)
1123 {
1124 vim_free(last_cmdline);
1125 last_cmdline = new_last_cmdline;
1126 new_last_cmdline = NULL;
1127 }
1128 #endif
1129 }
1130 else
1131 {
1132 /* need to copy the command after the '|' to cmdline_copy, for the
1133 * next do_one_cmd() */
1134 STRMOVE(cmdline_copy, next_cmdline);
1135 next_cmdline = cmdline_copy;
1136 }
1137
1138
1139 #ifdef FEAT_EVAL
1140 /* reset did_emsg for a function that is not aborted by an error */
1141 if (did_emsg && !force_abort
1142 && getline_equal(getline, cookie, get_func_line)
1143 && !func_has_abort(real_cookie))
1144 did_emsg = FALSE;
1145
1146 if (cstack.cs_looplevel > 0)
1147 {
1148 ++current_line;
1149
1150 /*
1151 * An ":endwhile", ":endfor" and ":continue" is handled here.
1152 * If we were executing commands, jump back to the ":while" or
1153 * ":for".
1154 * If we were not executing commands, decrement cs_looplevel.
1155 */
1156 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1157 {
1158 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1159
1160 /* Jump back to the matching ":while" or ":for". Be careful
1161 * not to use a cs_line[] from an entry that isn't a ":while"
1162 * or ":for": It would make "current_line" invalid and can
1163 * cause a crash. */
1164 if (!did_emsg && !got_int && !did_throw
1165 && cstack.cs_idx >= 0
1166 && (cstack.cs_flags[cstack.cs_idx]
1167 & (CSF_WHILE | CSF_FOR))
1168 && cstack.cs_line[cstack.cs_idx] >= 0
1169 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1170 {
1171 current_line = cstack.cs_line[cstack.cs_idx];
1172 /* remember we jumped there */
1173 cstack.cs_lflags |= CSL_HAD_LOOP;
1174 line_breakcheck(); /* check if CTRL-C typed */
1175
1176 /* Check for the next breakpoint at or after the ":while"
1177 * or ":for". */
1178 if (breakpoint != NULL)
1179 {
1180 *breakpoint = dbg_find_breakpoint(
1181 getline_equal(getline, cookie, getsourceline),
1182 fname,
1183 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1184 *dbg_tick = debug_tick;
1185 }
1186 }
1187 else
1188 {
1189 /* can only get here with ":endwhile" or ":endfor" */
1190 if (cstack.cs_idx >= 0)
1191 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1192 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1193 }
1194 }
1195
1196 /*
1197 * For a ":while" or ":for" we need to remember the line number.
1198 */
1199 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1200 {
1201 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1202 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1203 }
1204 }
1205
1206 /*
1207 * When not inside any ":while" loop, clear remembered lines.
1208 */
1209 if (cstack.cs_looplevel == 0)
1210 {
1211 if (lines_ga.ga_len > 0)
1212 {
1213 sourcing_lnum =
1214 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1215 free_cmdlines(&lines_ga);
1216 }
1217 current_line = 0;
1218 }
1219
1220 /*
1221 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1222 * being restored at the ":endtry". Reset them here and set the
1223 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1224 * This includes the case where a missing ":endif", ":endwhile" or
1225 * ":endfor" was detected by the ":finally" itself.
1226 */
1227 if (cstack.cs_lflags & CSL_HAD_FINA)
1228 {
1229 cstack.cs_lflags &= ~CSL_HAD_FINA;
1230 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1231 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1232 did_throw ? (void *)current_exception : NULL);
1233 did_emsg = got_int = did_throw = FALSE;
1234 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1235 }
1236
1237 /* Update global "trylevel" for recursive calls to do_cmdline() from
1238 * within this loop. */
1239 trylevel = initial_trylevel + cstack.cs_trylevel;
1240
1241 /*
1242 * If the outermost try conditional (across function calls and sourced
1243 * files) is aborted because of an error, an interrupt, or an uncaught
1244 * exception, cancel everything. If it is left normally, reset
1245 * force_abort to get the non-EH compatible abortion behavior for
1246 * the rest of the script.
1247 */
1248 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1249 force_abort = FALSE;
1250
1251 /* Convert an interrupt to an exception if appropriate. */
1252 (void)do_intthrow(&cstack);
1253 #endif /* FEAT_EVAL */
1254
1255 }
1256 /*
1257 * Continue executing command lines when:
1258 * - no CTRL-C typed, no aborting error, no exception thrown or try
1259 * conditionals need to be checked for executing finally clauses or
1260 * catching an interrupt exception
1261 * - didn't get an error message or lines are not typed
1262 * - there is a command after '|', inside a :if, :while, :for or :try, or
1263 * looping for ":source" command or function call.
1264 */
1265 while (!((got_int
1266 #ifdef FEAT_EVAL
1267 || (did_emsg && force_abort) || did_throw
1268 #endif
1269 )
1270 #ifdef FEAT_EVAL
1271 && cstack.cs_trylevel == 0
1272 #endif
1273 )
1274 && !(did_emsg && used_getline
1275 && (getline_equal(getline, cookie, getexmodeline)
1276 || getline_equal(getline, cookie, getexline)))
1277 && (next_cmdline != NULL
1278 #ifdef FEAT_EVAL
1279 || cstack.cs_idx >= 0
1280 #endif
1281 || (flags & DOCMD_REPEAT)));
1282
1283 vim_free(cmdline_copy);
1284 #ifdef FEAT_EVAL
1285 free_cmdlines(&lines_ga);
1286 ga_clear(&lines_ga);
1287
1288 if (cstack.cs_idx >= 0)
1289 {
1290 /*
1291 * If a sourced file or executed function ran to its end, report the
1292 * unclosed conditional.
1293 */
1294 if (!got_int && !did_throw
1295 && ((getline_equal(getline, cookie, getsourceline)
1296 && !source_finished(getline, cookie))
1297 || (getline_equal(getline, cookie, get_func_line)
1298 && !func_has_ended(real_cookie))))
1299 {
1300 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1301 EMSG(_(e_endtry));
1302 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1303 EMSG(_(e_endwhile));
1304 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1305 EMSG(_(e_endfor));
1306 else
1307 EMSG(_(e_endif));
1308 }
1309
1310 /*
1311 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1312 * ":endtry" in a sourced file or executed function. If the try
1313 * conditional is in its finally clause, ignore anything pending.
1314 * If it is in a catch clause, finish the caught exception.
1315 * Also cleanup any "cs_forinfo" structures.
1316 */
1317 do
1318 {
1319 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1320
1321 if (idx >= 0)
1322 --idx; /* remove try block not in its finally clause */
1323 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1324 &cstack.cs_looplevel);
1325 }
1326 while (cstack.cs_idx >= 0);
1327 trylevel = initial_trylevel;
1328 }
1329
1330 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1331 * lack was reported above and the error message is to be converted to an
1332 * exception, do this now after rewinding the cstack. */
1333 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1334 ? (char_u *)"endfunction" : (char_u *)NULL);
1335
1336 if (trylevel == 0)
1337 {
1338 /*
1339 * When an exception is being thrown out of the outermost try
1340 * conditional, discard the uncaught exception, disable the conversion
1341 * of interrupts or errors to exceptions, and ensure that no more
1342 * commands are executed.
1343 */
1344 if (did_throw)
1345 {
1346 void *p = NULL;
1347 char_u *saved_sourcing_name;
1348 int saved_sourcing_lnum;
1349 struct msglist *messages = NULL, *next;
1350
1351 /*
1352 * If the uncaught exception is a user exception, report it as an
1353 * error. If it is an error exception, display the saved error
1354 * message now. For an interrupt exception, do nothing; the
1355 * interrupt message is given elsewhere.
1356 */
1357 switch (current_exception->type)
1358 {
1359 case ET_USER:
1360 vim_snprintf((char *)IObuff, IOSIZE,
1361 _("E605: Exception not caught: %s"),
1362 current_exception->value);
1363 p = vim_strsave(IObuff);
1364 break;
1365 case ET_ERROR:
1366 messages = current_exception->messages;
1367 current_exception->messages = NULL;
1368 break;
1369 case ET_INTERRUPT:
1370 break;
1371 default:
1372 p = vim_strsave((char_u *)_(e_internal));
1373 }
1374
1375 saved_sourcing_name = sourcing_name;
1376 saved_sourcing_lnum = sourcing_lnum;
1377 sourcing_name = current_exception->throw_name;
1378 sourcing_lnum = current_exception->throw_lnum;
1379 current_exception->throw_name = NULL;
1380
1381 discard_current_exception(); /* uses IObuff if 'verbose' */
1382 suppress_errthrow = TRUE;
1383 force_abort = TRUE;
1384
1385 if (messages != NULL)
1386 {
1387 do
1388 {
1389 next = messages->next;
1390 emsg(messages->msg);
1391 vim_free(messages->msg);
1392 vim_free(messages);
1393 messages = next;
1394 }
1395 while (messages != NULL);
1396 }
1397 else if (p != NULL)
1398 {
1399 emsg(p);
1400 vim_free(p);
1401 }
1402 vim_free(sourcing_name);
1403 sourcing_name = saved_sourcing_name;
1404 sourcing_lnum = saved_sourcing_lnum;
1405 }
1406
1407 /*
1408 * On an interrupt or an aborting error not converted to an exception,
1409 * disable the conversion of errors to exceptions. (Interrupts are not
1410 * converted any more, here.) This enables also the interrupt message
1411 * when force_abort is set and did_emsg unset in case of an interrupt
1412 * from a finally clause after an error.
1413 */
1414 else if (got_int || (did_emsg && force_abort))
1415 suppress_errthrow = TRUE;
1416 }
1417
1418 /*
1419 * The current cstack will be freed when do_cmdline() returns. An uncaught
1420 * exception will have to be rethrown in the previous cstack. If a function
1421 * has just returned or a script file was just finished and the previous
1422 * cstack belongs to the same function or, respectively, script file, it
1423 * will have to be checked for finally clauses to be executed due to the
1424 * ":return" or ":finish". This is done in do_one_cmd().
1425 */
1426 if (did_throw)
1427 need_rethrow = TRUE;
1428 if ((getline_equal(getline, cookie, getsourceline)
1429 && ex_nesting_level > source_level(real_cookie))
1430 || (getline_equal(getline, cookie, get_func_line)
1431 && ex_nesting_level > func_level(real_cookie) + 1))
1432 {
1433 if (!did_throw)
1434 check_cstack = TRUE;
1435 }
1436 else
1437 {
1438 /* When leaving a function, reduce nesting level. */
1439 if (getline_equal(getline, cookie, get_func_line))
1440 --ex_nesting_level;
1441 /*
1442 * Go to debug mode when returning from a function in which we are
1443 * single-stepping.
1444 */
1445 if ((getline_equal(getline, cookie, getsourceline)
1446 || getline_equal(getline, cookie, get_func_line))
1447 && ex_nesting_level + 1 <= debug_break_level)
1448 do_debug(getline_equal(getline, cookie, getsourceline)
1449 ? (char_u *)_("End of sourced file")
1450 : (char_u *)_("End of function"));
1451 }
1452
1453 /*
1454 * Restore the exception environment (done after returning from the
1455 * debugger).
1456 */
1457 if (flags & DOCMD_EXCRESET)
1458 restore_dbg_stuff(&debug_saved);
1459
1460 msg_list = saved_msg_list;
1461 #endif /* FEAT_EVAL */
1462
1463 /*
1464 * If there was too much output to fit on the command line, ask the user to
1465 * hit return before redrawing the screen. With the ":global" command we do
1466 * this only once after the command is finished.
1467 */
1468 if (did_inc)
1469 {
1470 --RedrawingDisabled;
1471 --no_wait_return;
1472 msg_scroll = FALSE;
1473
1474 /*
1475 * When just finished an ":if"-":else" which was typed, no need to
1476 * wait for hit-return. Also for an error situation.
1477 */
1478 if (retval == FAIL
1479 #ifdef FEAT_EVAL
1480 || (did_endif && KeyTyped && !did_emsg)
1481 #endif
1482 )
1483 {
1484 need_wait_return = FALSE;
1485 msg_didany = FALSE; /* don't wait when restarting edit */
1486 }
1487 else if (need_wait_return)
1488 {
1489 /*
1490 * The msg_start() above clears msg_didout. The wait_return we do
1491 * here should not overwrite the command that may be shown before
1492 * doing that.
1493 */
1494 msg_didout |= msg_didout_before_start;
1495 wait_return(FALSE);
1496 }
1497 }
1498
1499 #ifndef FEAT_EVAL
1500 /*
1501 * Reset if_level, in case a sourced script file contains more ":if" than
1502 * ":endif" (could be ":if x | foo | endif").
1503 */
1504 if_level = 0;
1505 #endif
1506
1507 --call_depth;
1508 return retval;
1509 }
1510
1511 #ifdef FEAT_EVAL
1512 /*
1513 * Obtain a line when inside a ":while" or ":for" loop.
1514 */
1515 static char_u *
1516 get_loop_line(c, cookie, indent)
1517 int c;
1518 void *cookie;
1519 int indent;
1520 {
1521 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1522 wcmd_T *wp;
1523 char_u *line;
1524
1525 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1526 {
1527 if (cp->repeating)
1528 return NULL; /* trying to read past ":endwhile"/":endfor" */
1529
1530 /* First time inside the ":while"/":for": get line normally. */
1531 if (cp->getline == NULL)
1532 line = getcmdline(c, 0L, indent);
1533 else
1534 line = cp->getline(c, cp->cookie, indent);
1535 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1536 ++cp->current_line;
1537
1538 return line;
1539 }
1540
1541 KeyTyped = FALSE;
1542 ++cp->current_line;
1543 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1544 sourcing_lnum = wp->lnum;
1545 return vim_strsave(wp->line);
1546 }
1547
1548 /*
1549 * Store a line in "gap" so that a ":while" loop can execute it again.
1550 */
1551 static int
1552 store_loop_line(gap, line)
1553 garray_T *gap;
1554 char_u *line;
1555 {
1556 if (ga_grow(gap, 1) == FAIL)
1557 return FAIL;
1558 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1559 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1560 ++gap->ga_len;
1561 return OK;
1562 }
1563
1564 /*
1565 * Free the lines stored for a ":while" or ":for" loop.
1566 */
1567 static void
1568 free_cmdlines(gap)
1569 garray_T *gap;
1570 {
1571 while (gap->ga_len > 0)
1572 {
1573 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1574 --gap->ga_len;
1575 }
1576 }
1577 #endif
1578
1579 /*
1580 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1581 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1582 */
1583 int
1584 getline_equal(fgetline, cookie, func)
1585 char_u *(*fgetline) __ARGS((int, void *, int));
1586 void *cookie UNUSED; /* argument for fgetline() */
1587 char_u *(*func) __ARGS((int, void *, int));
1588 {
1589 #ifdef FEAT_EVAL
1590 char_u *(*gp) __ARGS((int, void *, int));
1591 struct loop_cookie *cp;
1592
1593 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1594 * function that's originally used to obtain the lines. This may be
1595 * nested several levels. */
1596 gp = fgetline;
1597 cp = (struct loop_cookie *)cookie;
1598 while (gp == get_loop_line)
1599 {
1600 gp = cp->getline;
1601 cp = cp->cookie;
1602 }
1603 return gp == func;
1604 #else
1605 return fgetline == func;
1606 #endif
1607 }
1608
1609 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1610 /*
1611 * If "fgetline" is get_loop_line(), return the cookie used by the original
1612 * getline function. Otherwise return "cookie".
1613 */
1614 void *
1615 getline_cookie(fgetline, cookie)
1616 char_u *(*fgetline) __ARGS((int, void *, int)) UNUSED;
1617 void *cookie; /* argument for fgetline() */
1618 {
1619 # ifdef FEAT_EVAL
1620 char_u *(*gp) __ARGS((int, void *, int));
1621 struct loop_cookie *cp;
1622
1623 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1624 * cookie that's originally used to obtain the lines. This may be nested
1625 * several levels. */
1626 gp = fgetline;
1627 cp = (struct loop_cookie *)cookie;
1628 while (gp == get_loop_line)
1629 {
1630 gp = cp->getline;
1631 cp = cp->cookie;
1632 }
1633 return cp;
1634 # else
1635 return cookie;
1636 # endif
1637 }
1638 #endif
1639
1640 /*
1641 * Execute one Ex command.
1642 *
1643 * If 'sourcing' is TRUE, the command will be included in the error message.
1644 *
1645 * 1. skip comment lines and leading space
1646 * 2. handle command modifiers
1647 * 3. parse range
1648 * 4. parse command
1649 * 5. parse arguments
1650 * 6. switch on command name
1651 *
1652 * Note: "fgetline" can be NULL.
1653 *
1654 * This function may be called recursively!
1655 */
1656 #if (_MSC_VER == 1200)
1657 /*
1658 * Avoid optimisation bug in VC++ version 6.0
1659 */
1660 #pragma optimize( "g", off )
1661 #endif
1662 static char_u *
1663 do_one_cmd(cmdlinep, sourcing,
1664 #ifdef FEAT_EVAL
1665 cstack,
1666 #endif
1667 fgetline, cookie)
1668 char_u **cmdlinep;
1669 int sourcing;
1670 #ifdef FEAT_EVAL
1671 struct condstack *cstack;
1672 #endif
1673 char_u *(*fgetline) __ARGS((int, void *, int));
1674 void *cookie; /* argument for fgetline() */
1675 {
1676 char_u *p;
1677 linenr_T lnum;
1678 long n;
1679 char_u *errormsg = NULL; /* error message */
1680 exarg_T ea; /* Ex command arguments */
1681 long verbose_save = -1;
1682 int save_msg_scroll = msg_scroll;
1683 int save_msg_silent = -1;
1684 int did_esilent = 0;
1685 #ifdef HAVE_SANDBOX
1686 int did_sandbox = FALSE;
1687 #endif
1688 cmdmod_T save_cmdmod;
1689 int ni; /* set when Not Implemented */
1690
1691 vim_memset(&ea, 0, sizeof(ea));
1692 ea.line1 = 1;
1693 ea.line2 = 1;
1694 #ifdef FEAT_EVAL
1695 ++ex_nesting_level;
1696 #endif
1697
1698 /* when not editing the last file :q has to be typed twice */
1699 if (quitmore
1700 #ifdef FEAT_EVAL
1701 /* avoid that a function call in 'statusline' does this */
1702 && !getline_equal(fgetline, cookie, get_func_line)
1703 #endif
1704 )
1705 --quitmore;
1706
1707 /*
1708 * Reset browse, confirm, etc.. They are restored when returning, for
1709 * recursive calls.
1710 */
1711 save_cmdmod = cmdmod;
1712 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1713
1714 /* "#!anything" is handled like a comment. */
1715 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1716 goto doend;
1717
1718 /*
1719 * Repeat until no more command modifiers are found.
1720 */
1721 ea.cmd = *cmdlinep;
1722 for (;;)
1723 {
1724 /*
1725 * 1. skip comment lines and leading white space and colons
1726 */
1727 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1728 ++ea.cmd;
1729
1730 /* in ex mode, an empty line works like :+ */
1731 if (*ea.cmd == NUL && exmode_active
1732 && (getline_equal(fgetline, cookie, getexmodeline)
1733 || getline_equal(fgetline, cookie, getexline))
1734 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1735 {
1736 ea.cmd = (char_u *)"+";
1737 ex_pressedreturn = TRUE;
1738 }
1739
1740 /* ignore comment and empty lines */
1741 if (*ea.cmd == '"')
1742 goto doend;
1743 if (*ea.cmd == NUL)
1744 {
1745 ex_pressedreturn = TRUE;
1746 goto doend;
1747 }
1748
1749 /*
1750 * 2. handle command modifiers.
1751 */
1752 p = ea.cmd;
1753 if (VIM_ISDIGIT(*ea.cmd))
1754 p = skipwhite(skipdigits(ea.cmd));
1755 switch (*p)
1756 {
1757 /* When adding an entry, also modify cmd_exists(). */
1758 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1759 break;
1760 #ifdef FEAT_WINDOWS
1761 cmdmod.split |= WSP_ABOVE;
1762 #endif
1763 continue;
1764
1765 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1766 {
1767 #ifdef FEAT_WINDOWS
1768 cmdmod.split |= WSP_BELOW;
1769 #endif
1770 continue;
1771 }
1772 if (checkforcmd(&ea.cmd, "browse", 3))
1773 {
1774 #ifdef FEAT_BROWSE_CMD
1775 cmdmod.browse = TRUE;
1776 #endif
1777 continue;
1778 }
1779 if (!checkforcmd(&ea.cmd, "botright", 2))
1780 break;
1781 #ifdef FEAT_WINDOWS
1782 cmdmod.split |= WSP_BOT;
1783 #endif
1784 continue;
1785
1786 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1787 break;
1788 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1789 cmdmod.confirm = TRUE;
1790 #endif
1791 continue;
1792
1793 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1794 {
1795 cmdmod.keepmarks = TRUE;
1796 continue;
1797 }
1798 if (checkforcmd(&ea.cmd, "keepalt", 5))
1799 {
1800 cmdmod.keepalt = TRUE;
1801 continue;
1802 }
1803 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1804 break;
1805 cmdmod.keepjumps = TRUE;
1806 continue;
1807
1808 /* ":hide" and ":hide | cmd" are not modifiers */
1809 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1810 || *p == NUL || ends_excmd(*p))
1811 break;
1812 ea.cmd = p;
1813 cmdmod.hide = TRUE;
1814 continue;
1815
1816 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1817 {
1818 cmdmod.lockmarks = TRUE;
1819 continue;
1820 }
1821
1822 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1823 break;
1824 #ifdef FEAT_WINDOWS
1825 cmdmod.split |= WSP_ABOVE;
1826 #endif
1827 continue;
1828
1829 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1830 break;
1831 #ifdef FEAT_AUTOCMD
1832 if (cmdmod.save_ei == NULL)
1833 {
1834 /* Set 'eventignore' to "all". Restore the
1835 * existing option value later. */
1836 cmdmod.save_ei = vim_strsave(p_ei);
1837 set_string_option_direct((char_u *)"ei", -1,
1838 (char_u *)"all", OPT_FREE, SID_NONE);
1839 }
1840 #endif
1841 continue;
1842
1843 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1844 break;
1845 #ifdef FEAT_WINDOWS
1846 cmdmod.split |= WSP_BELOW;
1847 #endif
1848 continue;
1849
1850 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1851 {
1852 #ifdef HAVE_SANDBOX
1853 if (!did_sandbox)
1854 ++sandbox;
1855 did_sandbox = TRUE;
1856 #endif
1857 continue;
1858 }
1859 if (!checkforcmd(&ea.cmd, "silent", 3))
1860 break;
1861 if (save_msg_silent == -1)
1862 save_msg_silent = msg_silent;
1863 ++msg_silent;
1864 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1865 {
1866 /* ":silent!", but not "silent !cmd" */
1867 ea.cmd = skipwhite(ea.cmd + 1);
1868 ++emsg_silent;
1869 ++did_esilent;
1870 }
1871 continue;
1872
1873 case 't': if (checkforcmd(&p, "tab", 3))
1874 {
1875 #ifdef FEAT_WINDOWS
1876 if (vim_isdigit(*ea.cmd))
1877 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1878 else
1879 cmdmod.tab = tabpage_index(curtab) + 1;
1880 ea.cmd = p;
1881 #endif
1882 continue;
1883 }
1884 if (!checkforcmd(&ea.cmd, "topleft", 2))
1885 break;
1886 #ifdef FEAT_WINDOWS
1887 cmdmod.split |= WSP_TOP;
1888 #endif
1889 continue;
1890
1891 case 'u': if (!checkforcmd(&ea.cmd, "unsilent", 3))
1892 break;
1893 if (save_msg_silent == -1)
1894 save_msg_silent = msg_silent;
1895 msg_silent = 0;
1896 continue;
1897
1898 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1899 {
1900 #ifdef FEAT_VERTSPLIT
1901 cmdmod.split |= WSP_VERT;
1902 #endif
1903 continue;
1904 }
1905 if (!checkforcmd(&p, "verbose", 4))
1906 break;
1907 if (verbose_save < 0)
1908 verbose_save = p_verbose;
1909 if (vim_isdigit(*ea.cmd))
1910 p_verbose = atoi((char *)ea.cmd);
1911 else
1912 p_verbose = 1;
1913 ea.cmd = p;
1914 continue;
1915 }
1916 break;
1917 }
1918
1919 #ifdef FEAT_EVAL
1920 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1921 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1922 #else
1923 ea.skip = (if_level > 0);
1924 #endif
1925
1926 #ifdef FEAT_EVAL
1927 # ifdef FEAT_PROFILE
1928 /* Count this line for profiling if ea.skip is FALSE. */
1929 if (do_profiling == PROF_YES && !ea.skip)
1930 {
1931 if (getline_equal(fgetline, cookie, get_func_line))
1932 func_line_exec(getline_cookie(fgetline, cookie));
1933 else if (getline_equal(fgetline, cookie, getsourceline))
1934 script_line_exec();
1935 }
1936 #endif
1937
1938 /* May go to debug mode. If this happens and the ">quit" debug command is
1939 * used, throw an interrupt exception and skip the next command. */
1940 dbg_check_breakpoint(&ea);
1941 if (!ea.skip && got_int)
1942 {
1943 ea.skip = TRUE;
1944 (void)do_intthrow(cstack);
1945 }
1946 #endif
1947
1948 /*
1949 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1950 *
1951 * where 'addr' is:
1952 *
1953 * % (entire file)
1954 * $ [+-NUM]
1955 * 'x [+-NUM] (where x denotes a currently defined mark)
1956 * . [+-NUM]
1957 * [+-NUM]..
1958 * NUM
1959 *
1960 * The ea.cmd pointer is updated to point to the first character following the
1961 * range spec. If an initial address is found, but no second, the upper bound
1962 * is equal to the lower.
1963 */
1964
1965 /* repeat for all ',' or ';' separated addresses */
1966 for (;;)
1967 {
1968 ea.line1 = ea.line2;
1969 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1970 ea.cmd = skipwhite(ea.cmd);
1971 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1972 if (ea.cmd == NULL) /* error detected */
1973 goto doend;
1974 if (lnum == MAXLNUM)
1975 {
1976 if (*ea.cmd == '%') /* '%' - all lines */
1977 {
1978 ++ea.cmd;
1979 ea.line1 = 1;
1980 ea.line2 = curbuf->b_ml.ml_line_count;
1981 ++ea.addr_count;
1982 }
1983 /* '*' - visual area */
1984 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1985 {
1986 pos_T *fp;
1987
1988 ++ea.cmd;
1989 if (!ea.skip)
1990 {
1991 fp = getmark('<', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line1 = fp->lnum;
1995 fp = getmark('>', FALSE);
1996 if (check_mark(fp) == FAIL)
1997 goto doend;
1998 ea.line2 = fp->lnum;
1999 ++ea.addr_count;
2000 }
2001 }
2002 }
2003 else
2004 ea.line2 = lnum;
2005 ea.addr_count++;
2006
2007 if (*ea.cmd == ';')
2008 {
2009 if (!ea.skip)
2010 curwin->w_cursor.lnum = ea.line2;
2011 }
2012 else if (*ea.cmd != ',')
2013 break;
2014 ++ea.cmd;
2015 }
2016
2017 /* One address given: set start and end lines */
2018 if (ea.addr_count == 1)
2019 {
2020 ea.line1 = ea.line2;
2021 /* ... but only implicit: really no address given */
2022 if (lnum == MAXLNUM)
2023 ea.addr_count = 0;
2024 }
2025
2026 /* Don't leave the cursor on an illegal line (caused by ';') */
2027 check_cursor_lnum();
2028
2029 /*
2030 * 4. parse command
2031 */
2032
2033 /*
2034 * Skip ':' and any white space
2035 */
2036 ea.cmd = skipwhite(ea.cmd);
2037 while (*ea.cmd == ':')
2038 ea.cmd = skipwhite(ea.cmd + 1);
2039
2040 /*
2041 * If we got a line, but no command, then go to the line.
2042 * If we find a '|' or '\n' we set ea.nextcmd.
2043 */
2044 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2045 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2046 {
2047 /*
2048 * strange vi behaviour:
2049 * ":3" jumps to line 3
2050 * ":3|..." prints line 3
2051 * ":|" prints current line
2052 */
2053 if (ea.skip) /* skip this if inside :if */
2054 goto doend;
2055 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2056 {
2057 ea.cmdidx = CMD_print;
2058 ea.argt = RANGE+COUNT+TRLBAR;
2059 if ((errormsg = invalid_range(&ea)) == NULL)
2060 {
2061 correct_range(&ea);
2062 ex_print(&ea);
2063 }
2064 }
2065 else if (ea.addr_count != 0)
2066 {
2067 if (ea.line2 > curbuf->b_ml.ml_line_count)
2068 {
2069 /* With '-' in 'cpoptions' a line number past the file is an
2070 * error, otherwise put it at the end of the file. */
2071 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2072 ea.line2 = -1;
2073 else
2074 ea.line2 = curbuf->b_ml.ml_line_count;
2075 }
2076
2077 if (ea.line2 < 0)
2078 errormsg = (char_u *)_(e_invrange);
2079 else
2080 {
2081 if (ea.line2 == 0)
2082 curwin->w_cursor.lnum = 1;
2083 else
2084 curwin->w_cursor.lnum = ea.line2;
2085 beginline(BL_SOL | BL_FIX);
2086 }
2087 }
2088 goto doend;
2089 }
2090
2091 /* Find the command and let "p" point to after it. */
2092 p = find_command(&ea, NULL);
2093
2094 #ifdef FEAT_USR_CMDS
2095 if (p == NULL)
2096 {
2097 if (!ea.skip)
2098 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2099 goto doend;
2100 }
2101 /* Check for wrong commands. */
2102 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2103 {
2104 errormsg = uc_fun_cmd();
2105 goto doend;
2106 }
2107 #endif
2108 if (ea.cmdidx == CMD_SIZE)
2109 {
2110 if (!ea.skip)
2111 {
2112 STRCPY(IObuff, _("E492: Not an editor command"));
2113 if (!sourcing)
2114 {
2115 STRCAT(IObuff, ": ");
2116 STRNCAT(IObuff, *cmdlinep, 40);
2117 }
2118 errormsg = IObuff;
2119 }
2120 goto doend;
2121 }
2122
2123 ni = (
2124 #ifdef FEAT_USR_CMDS
2125 !USER_CMDIDX(ea.cmdidx) &&
2126 #endif
2127 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2128 #ifdef HAVE_EX_SCRIPT_NI
2129 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2130 #endif
2131 ));
2132
2133 #ifndef FEAT_EVAL
2134 /*
2135 * When the expression evaluation is disabled, recognize the ":if" and
2136 * ":endif" commands and ignore everything in between it.
2137 */
2138 if (ea.cmdidx == CMD_if)
2139 ++if_level;
2140 if (if_level)
2141 {
2142 if (ea.cmdidx == CMD_endif)
2143 --if_level;
2144 goto doend;
2145 }
2146
2147 #endif
2148
2149 /* forced commands */
2150 if (*p == '!' && ea.cmdidx != CMD_substitute
2151 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2152 {
2153 ++p;
2154 ea.forceit = TRUE;
2155 }
2156 else
2157 ea.forceit = FALSE;
2158
2159 /*
2160 * 5. parse arguments
2161 */
2162 #ifdef FEAT_USR_CMDS
2163 if (!USER_CMDIDX(ea.cmdidx))
2164 #endif
2165 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2166
2167 if (!ea.skip)
2168 {
2169 #ifdef HAVE_SANDBOX
2170 if (sandbox != 0 && !(ea.argt & SBOXOK))
2171 {
2172 /* Command not allowed in sandbox. */
2173 errormsg = (char_u *)_(e_sandbox);
2174 goto doend;
2175 }
2176 #endif
2177 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2178 {
2179 /* Command not allowed in non-'modifiable' buffer */
2180 errormsg = (char_u *)_(e_modifiable);
2181 goto doend;
2182 }
2183
2184 if (text_locked() && !(ea.argt & CMDWIN)
2185 # ifdef FEAT_USR_CMDS
2186 && !USER_CMDIDX(ea.cmdidx)
2187 # endif
2188 )
2189 {
2190 /* Command not allowed when editing the command line. */
2191 #ifdef FEAT_CMDWIN
2192 if (cmdwin_type != 0)
2193 errormsg = (char_u *)_(e_cmdwin);
2194 else
2195 #endif
2196 errormsg = (char_u *)_(e_secure);
2197 goto doend;
2198 }
2199 #ifdef FEAT_AUTOCMD
2200 /* Disallow editing another buffer when "curbuf_lock" is set.
2201 * Do allow ":edit" (check for argument later).
2202 * Do allow ":checktime" (it's postponed). */
2203 if (!(ea.argt & CMDWIN)
2204 && ea.cmdidx != CMD_edit
2205 && ea.cmdidx != CMD_checktime
2206 # ifdef FEAT_USR_CMDS
2207 && !USER_CMDIDX(ea.cmdidx)
2208 # endif
2209 && curbuf_locked())
2210 goto doend;
2211 #endif
2212
2213 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2214 {
2215 /* no range allowed */
2216 errormsg = (char_u *)_(e_norange);
2217 goto doend;
2218 }
2219 }
2220
2221 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2222 {
2223 errormsg = (char_u *)_(e_nobang);
2224 goto doend;
2225 }
2226
2227 /*
2228 * Don't complain about the range if it is not used
2229 * (could happen if line_count is accidentally set to 0).
2230 */
2231 if (!ea.skip && !ni)
2232 {
2233 /*
2234 * If the range is backwards, ask for confirmation and, if given, swap
2235 * ea.line1 & ea.line2 so it's forwards again.
2236 * When global command is busy, don't ask, will fail below.
2237 */
2238 if (!global_busy && ea.line1 > ea.line2)
2239 {
2240 if (msg_silent == 0)
2241 {
2242 if (sourcing || exmode_active)
2243 {
2244 errormsg = (char_u *)_("E493: Backwards range given");
2245 goto doend;
2246 }
2247 if (ask_yesno((char_u *)
2248 _("Backwards range given, OK to swap"), FALSE) != 'y')
2249 goto doend;
2250 }
2251 lnum = ea.line1;
2252 ea.line1 = ea.line2;
2253 ea.line2 = lnum;
2254 }
2255 if ((errormsg = invalid_range(&ea)) != NULL)
2256 goto doend;
2257 }
2258
2259 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2260 ea.line2 = 1;
2261
2262 correct_range(&ea);
2263
2264 #ifdef FEAT_FOLDING
2265 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2266 {
2267 /* Put the first line at the start of a closed fold, put the last line
2268 * at the end of a closed fold. */
2269 (void)hasFolding(ea.line1, &ea.line1, NULL);
2270 (void)hasFolding(ea.line2, NULL, &ea.line2);
2271 }
2272 #endif
2273
2274 #ifdef FEAT_QUICKFIX
2275 /*
2276 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2277 * option here, so things like % get expanded.
2278 */
2279 p = replace_makeprg(&ea, p, cmdlinep);
2280 if (p == NULL)
2281 goto doend;
2282 #endif
2283
2284 /*
2285 * Skip to start of argument.
2286 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2287 */
2288 if (ea.cmdidx == CMD_bang)
2289 ea.arg = p;
2290 else
2291 ea.arg = skipwhite(p);
2292
2293 /*
2294 * Check for "++opt=val" argument.
2295 * Must be first, allow ":w ++enc=utf8 !cmd"
2296 */
2297 if (ea.argt & ARGOPT)
2298 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2299 if (getargopt(&ea) == FAIL && !ni)
2300 {
2301 errormsg = (char_u *)_(e_invarg);
2302 goto doend;
2303 }
2304
2305 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2306 {
2307 if (*ea.arg == '>') /* append */
2308 {
2309 if (*++ea.arg != '>') /* typed wrong */
2310 {
2311 errormsg = (char_u *)_("E494: Use w or w>>");
2312 goto doend;
2313 }
2314 ea.arg = skipwhite(ea.arg + 1);
2315 ea.append = TRUE;
2316 }
2317 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2318 {
2319 ++ea.arg;
2320 ea.usefilter = TRUE;
2321 }
2322 }
2323
2324 if (ea.cmdidx == CMD_read)
2325 {
2326 if (ea.forceit)
2327 {
2328 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2329 ea.forceit = FALSE;
2330 }
2331 else if (*ea.arg == '!') /* :r !filter */
2332 {
2333 ++ea.arg;
2334 ea.usefilter = TRUE;
2335 }
2336 }
2337
2338 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2339 {
2340 ea.amount = 1;
2341 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2342 {
2343 ++ea.arg;
2344 ++ea.amount;
2345 }
2346 ea.arg = skipwhite(ea.arg);
2347 }
2348
2349 /*
2350 * Check for "+command" argument, before checking for next command.
2351 * Don't do this for ":read !cmd" and ":write !cmd".
2352 */
2353 if ((ea.argt & EDITCMD) && !ea.usefilter)
2354 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2355
2356 /*
2357 * Check for '|' to separate commands and '"' to start comments.
2358 * Don't do this for ":read !cmd" and ":write !cmd".
2359 */
2360 if ((ea.argt & TRLBAR) && !ea.usefilter)
2361 separate_nextcmd(&ea);
2362
2363 /*
2364 * Check for <newline> to end a shell command.
2365 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2366 * Any others?
2367 */
2368 else if (ea.cmdidx == CMD_bang
2369 || ea.cmdidx == CMD_global
2370 || ea.cmdidx == CMD_vglobal
2371 || ea.usefilter)
2372 {
2373 for (p = ea.arg; *p; ++p)
2374 {
2375 /* Remove one backslash before a newline, so that it's possible to
2376 * pass a newline to the shell and also a newline that is preceded
2377 * with a backslash. This makes it impossible to end a shell
2378 * command in a backslash, but that doesn't appear useful.
2379 * Halving the number of backslashes is incompatible with previous
2380 * versions. */
2381 if (*p == '\\' && p[1] == '\n')
2382 STRMOVE(p, p + 1);
2383 else if (*p == '\n')
2384 {
2385 ea.nextcmd = p + 1;
2386 *p = NUL;
2387 break;
2388 }
2389 }
2390 }
2391
2392 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2393 {
2394 ea.line1 = 1;
2395 ea.line2 = curbuf->b_ml.ml_line_count;
2396 }
2397
2398 /* accept numbered register only when no count allowed (:put) */
2399 if ( (ea.argt & REGSTR)
2400 && *ea.arg != NUL
2401 #ifdef FEAT_USR_CMDS
2402 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2403 && USER_CMDIDX(ea.cmdidx)))
2404 /* Do not allow register = for user commands */
2405 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2406 #else
2407 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2408 #endif
2409 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2410 {
2411 ea.regname = *ea.arg++;
2412 #ifdef FEAT_EVAL
2413 /* for '=' register: accept the rest of the line as an expression */
2414 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2415 {
2416 set_expr_line(vim_strsave(ea.arg));
2417 ea.arg += STRLEN(ea.arg);
2418 }
2419 #endif
2420 ea.arg = skipwhite(ea.arg);
2421 }
2422
2423 /*
2424 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2425 * count, it's a buffer name.
2426 */
2427 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2428 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2429 || vim_iswhite(*p)))
2430 {
2431 n = getdigits(&ea.arg);
2432 ea.arg = skipwhite(ea.arg);
2433 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2434 {
2435 errormsg = (char_u *)_(e_zerocount);
2436 goto doend;
2437 }
2438 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2439 {
2440 ea.line2 = n;
2441 if (ea.addr_count == 0)
2442 ea.addr_count = 1;
2443 }
2444 else
2445 {
2446 ea.line1 = ea.line2;
2447 ea.line2 += n - 1;
2448 ++ea.addr_count;
2449 /*
2450 * Be vi compatible: no error message for out of range.
2451 */
2452 if (ea.line2 > curbuf->b_ml.ml_line_count)
2453 ea.line2 = curbuf->b_ml.ml_line_count;
2454 }
2455 }
2456
2457 /*
2458 * Check for flags: 'l', 'p' and '#'.
2459 */
2460 if (ea.argt & EXFLAGS)
2461 get_flags(&ea);
2462 /* no arguments allowed */
2463 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2464 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2465 {
2466 errormsg = (char_u *)_(e_trailing);
2467 goto doend;
2468 }
2469
2470 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2471 {
2472 errormsg = (char_u *)_(e_argreq);
2473 goto doend;
2474 }
2475
2476 #ifdef FEAT_EVAL
2477 /*
2478 * Skip the command when it's not going to be executed.
2479 * The commands like :if, :endif, etc. always need to be executed.
2480 * Also make an exception for commands that handle a trailing command
2481 * themselves.
2482 */
2483 if (ea.skip)
2484 {
2485 switch (ea.cmdidx)
2486 {
2487 /* commands that need evaluation */
2488 case CMD_while:
2489 case CMD_endwhile:
2490 case CMD_for:
2491 case CMD_endfor:
2492 case CMD_if:
2493 case CMD_elseif:
2494 case CMD_else:
2495 case CMD_endif:
2496 case CMD_try:
2497 case CMD_catch:
2498 case CMD_finally:
2499 case CMD_endtry:
2500 case CMD_function:
2501 break;
2502
2503 /* Commands that handle '|' themselves. Check: A command should
2504 * either have the TRLBAR flag, appear in this list or appear in
2505 * the list at ":help :bar". */
2506 case CMD_aboveleft:
2507 case CMD_and:
2508 case CMD_belowright:
2509 case CMD_botright:
2510 case CMD_browse:
2511 case CMD_call:
2512 case CMD_confirm:
2513 case CMD_delfunction:
2514 case CMD_djump:
2515 case CMD_dlist:
2516 case CMD_dsearch:
2517 case CMD_dsplit:
2518 case CMD_echo:
2519 case CMD_echoerr:
2520 case CMD_echomsg:
2521 case CMD_echon:
2522 case CMD_execute:
2523 case CMD_help:
2524 case CMD_hide:
2525 case CMD_ijump:
2526 case CMD_ilist:
2527 case CMD_isearch:
2528 case CMD_isplit:
2529 case CMD_keepalt:
2530 case CMD_keepjumps:
2531 case CMD_keepmarks:
2532 case CMD_leftabove:
2533 case CMD_let:
2534 case CMD_lockmarks:
2535 case CMD_match:
2536 case CMD_mzscheme:
2537 case CMD_perl:
2538 case CMD_psearch:
2539 case CMD_python:
2540 case CMD_return:
2541 case CMD_rightbelow:
2542 case CMD_ruby:
2543 case CMD_silent:
2544 case CMD_smagic:
2545 case CMD_snomagic:
2546 case CMD_substitute:
2547 case CMD_syntax:
2548 case CMD_tab:
2549 case CMD_tcl:
2550 case CMD_throw:
2551 case CMD_tilde:
2552 case CMD_topleft:
2553 case CMD_unlet:
2554 case CMD_verbose:
2555 case CMD_vertical:
2556 break;
2557
2558 default: goto doend;
2559 }
2560 }
2561 #endif
2562
2563 if (ea.argt & XFILE)
2564 {
2565 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2566 goto doend;
2567 }
2568
2569 #ifdef FEAT_LISTCMDS
2570 /*
2571 * Accept buffer name. Cannot be used at the same time with a buffer
2572 * number. Don't do this for a user command.
2573 */
2574 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2575 # ifdef FEAT_USR_CMDS
2576 && !USER_CMDIDX(ea.cmdidx)
2577 # endif
2578 )
2579 {
2580 /*
2581 * :bdelete, :bwipeout and :bunload take several arguments, separated
2582 * by spaces: find next space (skipping over escaped characters).
2583 * The others take one argument: ignore trailing spaces.
2584 */
2585 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2586 || ea.cmdidx == CMD_bunload)
2587 p = skiptowhite_esc(ea.arg);
2588 else
2589 {
2590 p = ea.arg + STRLEN(ea.arg);
2591 while (p > ea.arg && vim_iswhite(p[-1]))
2592 --p;
2593 }
2594 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2595 if (ea.line2 < 0) /* failed */
2596 goto doend;
2597 ea.addr_count = 1;
2598 ea.arg = skipwhite(p);
2599 }
2600 #endif
2601
2602 /*
2603 * 6. switch on command name
2604 *
2605 * The "ea" structure holds the arguments that can be used.
2606 */
2607 ea.cmdlinep = cmdlinep;
2608 ea.getline = fgetline;
2609 ea.cookie = cookie;
2610 #ifdef FEAT_EVAL
2611 ea.cstack = cstack;
2612 #endif
2613
2614 #ifdef FEAT_USR_CMDS
2615 if (USER_CMDIDX(ea.cmdidx))
2616 {
2617 /*
2618 * Execute a user-defined command.
2619 */
2620 do_ucmd(&ea);
2621 }
2622 else
2623 #endif
2624 {
2625 /*
2626 * Call the function to execute the command.
2627 */
2628 ea.errmsg = NULL;
2629 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2630 if (ea.errmsg != NULL)
2631 errormsg = (char_u *)_(ea.errmsg);
2632 }
2633
2634 #ifdef FEAT_EVAL
2635 /*
2636 * If the command just executed called do_cmdline(), any throw or ":return"
2637 * or ":finish" encountered there must also check the cstack of the still
2638 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2639 * exception, or reanimate a returned function or finished script file and
2640 * return or finish it again.
2641 */
2642 if (need_rethrow)
2643 do_throw(cstack);
2644 else if (check_cstack)
2645 {
2646 if (source_finished(fgetline, cookie))
2647 do_finish(&ea, TRUE);
2648 else if (getline_equal(fgetline, cookie, get_func_line)
2649 && current_func_returned())
2650 do_return(&ea, TRUE, FALSE, NULL);
2651 }
2652 need_rethrow = check_cstack = FALSE;
2653 #endif
2654
2655 doend:
2656 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2657 curwin->w_cursor.lnum = 1;
2658
2659 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2660 {
2661 if (sourcing)
2662 {
2663 if (errormsg != IObuff)
2664 {
2665 STRCPY(IObuff, errormsg);
2666 errormsg = IObuff;
2667 }
2668 STRCAT(errormsg, ": ");
2669 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2670 }
2671 emsg(errormsg);
2672 }
2673 #ifdef FEAT_EVAL
2674 do_errthrow(cstack,
2675 (ea.cmdidx != CMD_SIZE
2676 # ifdef FEAT_USR_CMDS
2677 && !USER_CMDIDX(ea.cmdidx)
2678 # endif
2679 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2680 #endif
2681
2682 if (verbose_save >= 0)
2683 p_verbose = verbose_save;
2684 #ifdef FEAT_AUTOCMD
2685 if (cmdmod.save_ei != NULL)
2686 {
2687 /* Restore 'eventignore' to the value before ":noautocmd". */
2688 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2689 OPT_FREE, SID_NONE);
2690 free_string_option(cmdmod.save_ei);
2691 }
2692 #endif
2693
2694 cmdmod = save_cmdmod;
2695
2696 if (save_msg_silent != -1)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 if (!did_emsg || msg_silent > save_msg_silent)
2701 msg_silent = save_msg_silent;
2702 emsg_silent -= did_esilent;
2703 if (emsg_silent < 0)
2704 emsg_silent = 0;
2705 /* Restore msg_scroll, it's set by file I/O commands, even when no
2706 * message is actually displayed. */
2707 msg_scroll = save_msg_scroll;
2708
2709 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2710 * somewhere in the line. Put it back in the first column. */
2711 if (redirecting())
2712 msg_col = 0;
2713 }
2714
2715 #ifdef HAVE_SANDBOX
2716 if (did_sandbox)
2717 --sandbox;
2718 #endif
2719
2720 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2721 ea.nextcmd = NULL;
2722
2723 #ifdef FEAT_EVAL
2724 --ex_nesting_level;
2725 #endif
2726
2727 return ea.nextcmd;
2728 }
2729 #if (_MSC_VER == 1200)
2730 #pragma optimize( "", on )
2731 #endif
2732
2733 /*
2734 * Check for an Ex command with optional tail.
2735 * If there is a match advance "pp" to the argument and return TRUE.
2736 */
2737 int
2738 checkforcmd(pp, cmd, len)
2739 char_u **pp; /* start of command */
2740 char *cmd; /* name of command */
2741 int len; /* required length */
2742 {
2743 int i;
2744
2745 for (i = 0; cmd[i] != NUL; ++i)
2746 if (((char_u *)cmd)[i] != (*pp)[i])
2747 break;
2748 if (i >= len && !isalpha((*pp)[i]))
2749 {
2750 *pp = skipwhite(*pp + i);
2751 return TRUE;
2752 }
2753 return FALSE;
2754 }
2755
2756 /*
2757 * Find an Ex command by its name, either built-in or user.
2758 * Start of the name can be found at eap->cmd.
2759 * Returns pointer to char after the command name.
2760 * "full" is set to TRUE if the whole command name matched.
2761 * Returns NULL for an ambiguous user command.
2762 */
2763 static char_u *
2764 find_command(eap, full)
2765 exarg_T *eap;
2766 int *full UNUSED;
2767 {
2768 int len;
2769 char_u *p;
2770 int i;
2771
2772 /*
2773 * Isolate the command and search for it in the command table.
2774 * Exceptions:
2775 * - the 'k' command can directly be followed by any character.
2776 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2777 * but :sre[wind] is another command, as are :scrip[tnames],
2778 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2779 * - the "d" command can directly be followed by 'l' or 'p' flag.
2780 */
2781 p = eap->cmd;
2782 if (*p == 'k')
2783 {
2784 eap->cmdidx = CMD_k;
2785 ++p;
2786 }
2787 else if (p[0] == 's'
2788 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2789 && p[3] != 'i' && p[4] != 'p')
2790 || p[1] == 'g'
2791 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2792 || p[1] == 'I'
2793 || (p[1] == 'r' && p[2] != 'e')))
2794 {
2795 eap->cmdidx = CMD_substitute;
2796 ++p;
2797 }
2798 else
2799 {
2800 while (ASCII_ISALPHA(*p))
2801 ++p;
2802 /* check for non-alpha command */
2803 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2804 ++p;
2805 len = (int)(p - eap->cmd);
2806 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2807 {
2808 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2809 * :delete with the 'l' flag. Same for 'p'. */
2810 for (i = 0; i < len; ++i)
2811 if (eap->cmd[i] != ((char_u *)"delete")[i])
2812 break;
2813 if (i == len - 1)
2814 {
2815 --len;
2816 if (p[-1] == 'l')
2817 eap->flags |= EXFLAG_LIST;
2818 else
2819 eap->flags |= EXFLAG_PRINT;
2820 }
2821 }
2822
2823 if (ASCII_ISLOWER(*eap->cmd))
2824 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2825 else
2826 eap->cmdidx = cmdidxs[26];
2827
2828 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2829 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2830 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2831 (size_t)len) == 0)
2832 {
2833 #ifdef FEAT_EVAL
2834 if (full != NULL
2835 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2836 *full = TRUE;
2837 #endif
2838 break;
2839 }
2840
2841 #ifdef FEAT_USR_CMDS
2842 /* Look for a user defined command as a last resort */
2843 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2844 {
2845 /* User defined commands may contain digits. */
2846 while (ASCII_ISALNUM(*p))
2847 ++p;
2848 p = find_ucmd(eap, p, full, NULL, NULL);
2849 }
2850 #endif
2851 if (p == eap->cmd)
2852 eap->cmdidx = CMD_SIZE;
2853 }
2854
2855 return p;
2856 }
2857
2858 #ifdef FEAT_USR_CMDS
2859 /*
2860 * Search for a user command that matches "eap->cmd".
2861 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2862 * Return a pointer to just after the command.
2863 * Return NULL if there is no matching command.
2864 */
2865 static char_u *
2866 find_ucmd(eap, p, full, xp, compl)
2867 exarg_T *eap;
2868 char_u *p; /* end of the command (possibly including count) */
2869 int *full; /* set to TRUE for a full match */
2870 expand_T *xp; /* used for completion, NULL otherwise */
2871 int *compl; /* completion flags or NULL */
2872 {
2873 int len = (int)(p - eap->cmd);
2874 int j, k, matchlen = 0;
2875 ucmd_T *uc;
2876 int found = FALSE;
2877 int possible = FALSE;
2878 char_u *cp, *np; /* Point into typed cmd and test name */
2879 garray_T *gap;
2880 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2881 only full match global is accepted. */
2882
2883 /*
2884 * Look for buffer-local user commands first, then global ones.
2885 */
2886 gap = &curbuf->b_ucmds;
2887 for (;;)
2888 {
2889 for (j = 0; j < gap->ga_len; ++j)
2890 {
2891 uc = USER_CMD_GA(gap, j);
2892 cp = eap->cmd;
2893 np = uc->uc_name;
2894 k = 0;
2895 while (k < len && *np != NUL && *cp++ == *np++)
2896 k++;
2897 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2898 {
2899 /* If finding a second match, the command is ambiguous. But
2900 * not if a buffer-local command wasn't a full match and a
2901 * global command is a full match. */
2902 if (k == len && found && *np != NUL)
2903 {
2904 if (gap == &ucmds)
2905 return NULL;
2906 amb_local = TRUE;
2907 }
2908
2909 if (!found || (k == len && *np == NUL))
2910 {
2911 /* If we matched up to a digit, then there could
2912 * be another command including the digit that we
2913 * should use instead.
2914 */
2915 if (k == len)
2916 found = TRUE;
2917 else
2918 possible = TRUE;
2919
2920 if (gap == &ucmds)
2921 eap->cmdidx = CMD_USER;
2922 else
2923 eap->cmdidx = CMD_USER_BUF;
2924 eap->argt = (long)uc->uc_argt;
2925 eap->useridx = j;
2926
2927 # ifdef FEAT_CMDL_COMPL
2928 if (compl != NULL)
2929 *compl = uc->uc_compl;
2930 # ifdef FEAT_EVAL
2931 if (xp != NULL)
2932 {
2933 xp->xp_arg = uc->uc_compl_arg;
2934 xp->xp_scriptID = uc->uc_scriptID;
2935 }
2936 # endif
2937 # endif
2938 /* Do not search for further abbreviations
2939 * if this is an exact match. */
2940 matchlen = k;
2941 if (k == len && *np == NUL)
2942 {
2943 if (full != NULL)
2944 *full = TRUE;
2945 amb_local = FALSE;
2946 break;
2947 }
2948 }
2949 }
2950 }
2951
2952 /* Stop if we found a full match or searched all. */
2953 if (j < gap->ga_len || gap == &ucmds)
2954 break;
2955 gap = &ucmds;
2956 }
2957
2958 /* Only found ambiguous matches. */
2959 if (amb_local)
2960 {
2961 if (xp != NULL)
2962 xp->xp_context = EXPAND_UNSUCCESSFUL;
2963 return NULL;
2964 }
2965
2966 /* The match we found may be followed immediately by a number. Move "p"
2967 * back to point to it. */
2968 if (found || possible)
2969 return p + (matchlen - len);
2970 return p;
2971 }
2972 #endif
2973
2974 #if defined(FEAT_EVAL) || defined(PROTO)
2975 static struct cmdmod
2976 {
2977 char *name;
2978 int minlen;
2979 int has_count; /* :123verbose :3tab */
2980 } cmdmods[] = {
2981 {"aboveleft", 3, FALSE},
2982 {"belowright", 3, FALSE},
2983 {"botright", 2, FALSE},
2984 {"browse", 3, FALSE},
2985 {"confirm", 4, FALSE},
2986 {"hide", 3, FALSE},
2987 {"keepalt", 5, FALSE},
2988 {"keepjumps", 5, FALSE},
2989 {"keepmarks", 3, FALSE},
2990 {"leftabove", 5, FALSE},
2991 {"lockmarks", 3, FALSE},
2992 {"noautocmd", 3, FALSE},
2993 {"rightbelow", 6, FALSE},
2994 {"sandbox", 3, FALSE},
2995 {"silent", 3, FALSE},
2996 {"tab", 3, TRUE},
2997 {"topleft", 2, FALSE},
2998 {"unsilent", 3, FALSE},
2999 {"verbose", 4, TRUE},
3000 {"vertical", 4, FALSE},
3001 };
3002
3003 /*
3004 * Return length of a command modifier (including optional count).
3005 * Return zero when it's not a modifier.
3006 */
3007 int
3008 modifier_len(cmd)
3009 char_u *cmd;
3010 {
3011 int i, j;
3012 char_u *p = cmd;
3013
3014 if (VIM_ISDIGIT(*cmd))
3015 p = skipwhite(skipdigits(cmd));
3016 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3017 {
3018 for (j = 0; p[j] != NUL; ++j)
3019 if (p[j] != cmdmods[i].name[j])
3020 break;
3021 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3022 && (p == cmd || cmdmods[i].has_count))
3023 return j + (int)(p - cmd);
3024 }
3025 return 0;
3026 }
3027
3028 /*
3029 * Return > 0 if an Ex command "name" exists.
3030 * Return 2 if there is an exact match.
3031 * Return 3 if there is an ambiguous match.
3032 */
3033 int
3034 cmd_exists(name)
3035 char_u *name;
3036 {
3037 exarg_T ea;
3038 int full = FALSE;
3039 int i;
3040 int j;
3041 char_u *p;
3042
3043 /* Check command modifiers. */
3044 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3045 {
3046 for (j = 0; name[j] != NUL; ++j)
3047 if (name[j] != cmdmods[i].name[j])
3048 break;
3049 if (name[j] == NUL && j >= cmdmods[i].minlen)
3050 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3051 }
3052
3053 /* Check built-in commands and user defined commands.
3054 * For ":2match" and ":3match" we need to skip the number. */
3055 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3056 ea.cmdidx = (cmdidx_T)0;
3057 p = find_command(&ea, &full);
3058 if (p == NULL)
3059 return 3;
3060 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3061 return 0;
3062 if (*skipwhite(p) != NUL)
3063 return 0; /* trailing garbage */
3064 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3065 }
3066 #endif
3067
3068 /*
3069 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3070 * we don't need/want deleted. Maybe this could be done better if we didn't
3071 * repeat all this stuff. The only problem is that they may not stay
3072 * perfectly compatible with each other, but then the command line syntax
3073 * probably won't change that much -- webb.
3074 */
3075 char_u *
3076 set_one_cmd_context(xp, buff)
3077 expand_T *xp;
3078 char_u *buff; /* buffer for command string */
3079 {
3080 char_u *p;
3081 char_u *cmd, *arg;
3082 int len = 0;
3083 exarg_T ea;
3084 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3085 int compl = EXPAND_NOTHING;
3086 #endif
3087 #ifdef FEAT_CMDL_COMPL
3088 int delim;
3089 #endif
3090 int forceit = FALSE;
3091 int usefilter = FALSE; /* filter instead of file name */
3092
3093 ExpandInit(xp);
3094 xp->xp_pattern = buff;
3095 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3096 ea.argt = 0;
3097
3098 /*
3099 * 2. skip comment lines and leading space, colons or bars
3100 */
3101 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3102 ;
3103 xp->xp_pattern = cmd;
3104
3105 if (*cmd == NUL)
3106 return NULL;
3107 if (*cmd == '"') /* ignore comment lines */
3108 {
3109 xp->xp_context = EXPAND_NOTHING;
3110 return NULL;
3111 }
3112
3113 /*
3114 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3115 */
3116 cmd = skip_range(cmd, &xp->xp_context);
3117
3118 /*
3119 * 4. parse command
3120 */
3121 xp->xp_pattern = cmd;
3122 if (*cmd == NUL)
3123 return NULL;
3124 if (*cmd == '"')
3125 {
3126 xp->xp_context = EXPAND_NOTHING;
3127 return NULL;
3128 }
3129
3130 if (*cmd == '|' || *cmd == '\n')
3131 return cmd + 1; /* There's another command */
3132
3133 /*
3134 * Isolate the command and search for it in the command table.
3135 * Exceptions:
3136 * - the 'k' command can directly be followed by any character, but
3137 * do accept "keepmarks", "keepalt" and "keepjumps".
3138 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3139 */
3140 if (*cmd == 'k' && cmd[1] != 'e')
3141 {
3142 ea.cmdidx = CMD_k;
3143 p = cmd + 1;
3144 }
3145 else
3146 {
3147 p = cmd;
3148 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3149 ++p;
3150 /* check for non-alpha command */
3151 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3152 ++p;
3153 len = (int)(p - cmd);
3154
3155 if (len == 0)
3156 {
3157 xp->xp_context = EXPAND_UNSUCCESSFUL;
3158 return NULL;
3159 }
3160 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3161 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3162 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd,
3163 (size_t)len) == 0)
3164 break;
3165
3166 #ifdef FEAT_USR_CMDS
3167 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3168 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3169 ++p;
3170 #endif
3171 }
3172
3173 /*
3174 * If the cursor is touching the command, and it ends in an alpha-numeric
3175 * character, complete the command name.
3176 */
3177 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3178 return NULL;
3179
3180 if (ea.cmdidx == CMD_SIZE)
3181 {
3182 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3183 {
3184 ea.cmdidx = CMD_substitute;
3185 p = cmd + 1;
3186 }
3187 #ifdef FEAT_USR_CMDS
3188 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3189 {
3190 ea.cmd = cmd;
3191 p = find_ucmd(&ea, p, NULL, xp,
3192 # if defined(FEAT_CMDL_COMPL)
3193 &compl
3194 # else
3195 NULL
3196 # endif
3197 );
3198 if (p == NULL)
3199 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3200 }
3201 #endif
3202 }
3203 if (ea.cmdidx == CMD_SIZE)
3204 {
3205 /* Not still touching the command and it was an illegal one */
3206 xp->xp_context = EXPAND_UNSUCCESSFUL;
3207 return NULL;
3208 }
3209
3210 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3211
3212 if (*p == '!') /* forced commands */
3213 {
3214 forceit = TRUE;
3215 ++p;
3216 }
3217
3218 /*
3219 * 5. parse arguments
3220 */
3221 #ifdef FEAT_USR_CMDS
3222 if (!USER_CMDIDX(ea.cmdidx))
3223 #endif
3224 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3225
3226 arg = skipwhite(p);
3227
3228 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3229 {
3230 if (*arg == '>') /* append */
3231 {
3232 if (*++arg == '>')
3233 ++arg;
3234 arg = skipwhite(arg);
3235 }
3236 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3237 {
3238 ++arg;
3239 usefilter = TRUE;
3240 }
3241 }
3242
3243 if (ea.cmdidx == CMD_read)
3244 {
3245 usefilter = forceit; /* :r! filter if forced */
3246 if (*arg == '!') /* :r !filter */
3247 {
3248 ++arg;
3249 usefilter = TRUE;
3250 }
3251 }
3252
3253 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3254 {
3255 while (*arg == *cmd) /* allow any number of '>' or '<' */
3256 ++arg;
3257 arg = skipwhite(arg);
3258 }
3259
3260 /* Does command allow "+command"? */
3261 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3262 {
3263 /* Check if we're in the +command */
3264 p = arg + 1;
3265 arg = skip_cmd_arg(arg, FALSE);
3266
3267 /* Still touching the command after '+'? */
3268 if (*arg == NUL)
3269 return p;
3270
3271 /* Skip space(s) after +command to get to the real argument */
3272 arg = skipwhite(arg);
3273 }
3274
3275 /*
3276 * Check for '|' to separate commands and '"' to start comments.
3277 * Don't do this for ":read !cmd" and ":write !cmd".
3278 */
3279 if ((ea.argt & TRLBAR) && !usefilter)
3280 {
3281 p = arg;
3282 /* ":redir @" is not the start of a comment */
3283 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3284 p += 2;
3285 while (*p)
3286 {
3287 if (*p == Ctrl_V)
3288 {
3289 if (p[1] != NUL)
3290 ++p;
3291 }
3292 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3293 || *p == '|' || *p == '\n')
3294 {
3295 if (*(p - 1) != '\\')
3296 {
3297 if (*p == '|' || *p == '\n')
3298 return p + 1;
3299 return NULL; /* It's a comment */
3300 }
3301 }
3302 mb_ptr_adv(p);
3303 }
3304 }
3305
3306 /* no arguments allowed */
3307 if (!(ea.argt & EXTRA) && *arg != NUL &&
3308 vim_strchr((char_u *)"|\"", *arg) == NULL)
3309 return NULL;
3310
3311 /* Find start of last argument (argument just before cursor): */
3312 p = buff + STRLEN(buff);
3313 while (p != arg && *p != ' ' && *p != TAB)
3314 p--;
3315 if (*p == ' ' || *p == TAB)
3316 p++;
3317 xp->xp_pattern = p;
3318
3319 if (ea.argt & XFILE)
3320 {
3321 int c;
3322 int in_quote = FALSE;
3323 char_u *bow = NULL; /* Beginning of word */
3324
3325 /*
3326 * Allow spaces within back-quotes to count as part of the argument
3327 * being expanded.
3328 */
3329 xp->xp_pattern = skipwhite(arg);
3330 p = xp->xp_pattern;
3331 while (*p != NUL)
3332 {
3333 #ifdef FEAT_MBYTE
3334 if (has_mbyte)
3335 c = mb_ptr2char(p);
3336 else
3337 #endif
3338 c = *p;
3339 if (c == '\\' && p[1] != NUL)
3340 ++p;
3341 else if (c == '`')
3342 {
3343 if (!in_quote)
3344 {
3345 xp->xp_pattern = p;
3346 bow = p + 1;
3347 }
3348 in_quote = !in_quote;
3349 }
3350 /* An argument can contain just about everything, except
3351 * characters that end the command and white space. */
3352 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3353 #ifdef SPACE_IN_FILENAME
3354 && (!(ea.argt & NOSPC) || usefilter)
3355 #endif
3356 ))
3357 {
3358 len = 0; /* avoid getting stuck when space is in 'isfname' */
3359 while (*p != NUL)
3360 {
3361 #ifdef FEAT_MBYTE
3362 if (has_mbyte)
3363 c = mb_ptr2char(p);
3364 else
3365 #endif
3366 c = *p;
3367 if (c == '`' || vim_isfilec_or_wc(c))
3368 break;
3369 #ifdef FEAT_MBYTE
3370 if (has_mbyte)
3371 len = (*mb_ptr2len)(p);
3372 else
3373 #endif
3374 len = 1;
3375 mb_ptr_adv(p);
3376 }
3377 if (in_quote)
3378 bow = p;
3379 else
3380 xp->xp_pattern = p;
3381 p -= len;
3382 }
3383 mb_ptr_adv(p);
3384 }
3385
3386 /*
3387 * If we are still inside the quotes, and we passed a space, just
3388 * expand from there.
3389 */
3390 if (bow != NULL && in_quote)
3391 xp->xp_pattern = bow;
3392 xp->xp_context = EXPAND_FILES;
3393
3394 #ifndef BACKSLASH_IN_FILENAME
3395 /* For a shell command more chars need to be escaped. */
3396 if (usefilter || ea.cmdidx == CMD_bang)
3397 {
3398 xp->xp_shell = TRUE;
3399
3400 /* When still after the command name expand executables. */
3401 if (xp->xp_pattern == skipwhite(arg))
3402 xp->xp_context = EXPAND_SHELLCMD;
3403 }
3404 #endif
3405
3406 /* Check for environment variable */
3407 if (*xp->xp_pattern == '$'
3408 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3409 || *xp->xp_pattern == '%'
3410 #endif
3411 )
3412 {
3413 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3414 if (!vim_isIDc(*p))
3415 break;
3416 if (*p == NUL)
3417 {
3418 xp->xp_context = EXPAND_ENV_VARS;
3419 ++xp->xp_pattern;
3420 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3421 /* Avoid that the assignment uses EXPAND_FILES again. */
3422 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3423 compl = EXPAND_ENV_VARS;
3424 #endif
3425 }
3426 }
3427 }
3428
3429 /*
3430 * 6. switch on command name
3431 */
3432 switch (ea.cmdidx)
3433 {
3434 case CMD_cd:
3435 case CMD_chdir:
3436 case CMD_lcd:
3437 case CMD_lchdir:
3438 if (xp->xp_context == EXPAND_FILES)
3439 xp->xp_context = EXPAND_DIRECTORIES;
3440 break;
3441 case CMD_help:
3442 xp->xp_context = EXPAND_HELP;
3443 xp->xp_pattern = arg;
3444 break;
3445
3446 /* Command modifiers: return the argument.
3447 * Also for commands with an argument that is a command. */
3448 case CMD_aboveleft:
3449 case CMD_argdo:
3450 case CMD_belowright:
3451 case CMD_botright:
3452 case CMD_browse:
3453 case CMD_bufdo:
3454 case CMD_confirm:
3455 case CMD_debug:
3456 case CMD_folddoclosed:
3457 case CMD_folddoopen:
3458 case CMD_hide:
3459 case CMD_keepalt:
3460 case CMD_keepjumps:
3461 case CMD_keepmarks:
3462 case CMD_leftabove:
3463 case CMD_lockmarks:
3464 case CMD_rightbelow:
3465 case CMD_sandbox:
3466 case CMD_silent:
3467 case CMD_tab:
3468 case CMD_topleft:
3469 case CMD_verbose:
3470 case CMD_vertical:
3471 case CMD_windo:
3472 return arg;
3473
3474 #ifdef FEAT_CMDL_COMPL
3475 # ifdef FEAT_SEARCH_EXTRA
3476 case CMD_match:
3477 if (*arg == NUL || !ends_excmd(*arg))
3478 {
3479 /* also complete "None" */
3480 set_context_in_echohl_cmd(xp, arg);
3481 arg = skipwhite(skiptowhite(arg));
3482 if (*arg != NUL)
3483 {
3484 xp->xp_context = EXPAND_NOTHING;
3485 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3486 }
3487 }
3488 return find_nextcmd(arg);
3489 # endif
3490
3491 /*
3492 * All completion for the +cmdline_compl feature goes here.
3493 */
3494
3495 # ifdef FEAT_USR_CMDS
3496 case CMD_command:
3497 /* Check for attributes */
3498 while (*arg == '-')
3499 {
3500 arg++; /* Skip "-" */
3501 p = skiptowhite(arg);
3502 if (*p == NUL)
3503 {
3504 /* Cursor is still in the attribute */
3505 p = vim_strchr(arg, '=');
3506 if (p == NULL)
3507 {
3508 /* No "=", so complete attribute names */
3509 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3510 xp->xp_pattern = arg;
3511 return NULL;
3512 }
3513
3514 /* For the -complete and -nargs attributes, we complete
3515 * their arguments as well.
3516 */
3517 if (STRNICMP(arg, "complete", p - arg) == 0)
3518 {
3519 xp->xp_context = EXPAND_USER_COMPLETE;
3520 xp->xp_pattern = p + 1;
3521 return NULL;
3522 }
3523 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3524 {
3525 xp->xp_context = EXPAND_USER_NARGS;
3526 xp->xp_pattern = p + 1;
3527 return NULL;
3528 }
3529 return NULL;
3530 }
3531 arg = skipwhite(p);
3532 }
3533
3534 /* After the attributes comes the new command name */
3535 p = skiptowhite(arg);
3536 if (*p == NUL)
3537 {
3538 xp->xp_context = EXPAND_USER_COMMANDS;
3539 xp->xp_pattern = arg;
3540 break;
3541 }
3542
3543 /* And finally comes a normal command */
3544 return skipwhite(p);
3545
3546 case CMD_delcommand:
3547 xp->xp_context = EXPAND_USER_COMMANDS;
3548 xp->xp_pattern = arg;
3549 break;
3550 # endif
3551
3552 case CMD_global:
3553 case CMD_vglobal:
3554 delim = *arg; /* get the delimiter */
3555 if (delim)
3556 ++arg; /* skip delimiter if there is one */
3557
3558 while (arg[0] != NUL && arg[0] != delim)
3559 {
3560 if (arg[0] == '\\' && arg[1] != NUL)
3561 ++arg;
3562 ++arg;
3563 }
3564 if (arg[0] != NUL)
3565 return arg + 1;
3566 break;
3567 case CMD_and:
3568 case CMD_substitute:
3569 delim = *arg;
3570 if (delim)
3571 {
3572 /* skip "from" part */
3573 ++arg;
3574 arg = skip_regexp(arg, delim, p_magic, NULL);
3575 }
3576 /* skip "to" part */
3577 while (arg[0] != NUL && arg[0] != delim)
3578 {
3579 if (arg[0] == '\\' && arg[1] != NUL)
3580 ++arg;
3581 ++arg;
3582 }
3583 if (arg[0] != NUL) /* skip delimiter */
3584 ++arg;
3585 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3586 ++arg;
3587 if (arg[0] != NUL)
3588 return arg;
3589 break;
3590 case CMD_isearch:
3591 case CMD_dsearch:
3592 case CMD_ilist:
3593 case CMD_dlist:
3594 case CMD_ijump:
3595 case CMD_psearch:
3596 case CMD_djump:
3597 case CMD_isplit:
3598 case CMD_dsplit:
3599 arg = skipwhite(skipdigits(arg)); /* skip count */
3600 if (*arg == '/') /* Match regexp, not just whole words */
3601 {
3602 for (++arg; *arg && *arg != '/'; arg++)
3603 if (*arg == '\\' && arg[1] != NUL)
3604 arg++;
3605 if (*arg)
3606 {
3607 arg = skipwhite(arg + 1);
3608
3609 /* Check for trailing illegal characters */
3610 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3611 xp->xp_context = EXPAND_NOTHING;
3612 else
3613 return arg;
3614 }
3615 }
3616 break;
3617 #ifdef FEAT_AUTOCMD
3618 case CMD_autocmd:
3619 return set_context_in_autocmd(xp, arg, FALSE);
3620
3621 case CMD_doautocmd:
3622 case CMD_doautoall:
3623 return set_context_in_autocmd(xp, arg, TRUE);
3624 #endif
3625 case CMD_set:
3626 set_context_in_set_cmd(xp, arg, 0);
3627 break;
3628 case CMD_setglobal:
3629 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3630 break;
3631 case CMD_setlocal:
3632 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3633 break;
3634 case CMD_tag:
3635 case CMD_stag:
3636 case CMD_ptag:
3637 case CMD_ltag:
3638 case CMD_tselect:
3639 case CMD_stselect:
3640 case CMD_ptselect:
3641 case CMD_tjump:
3642 case CMD_stjump:
3643 case CMD_ptjump:
3644 if (*p_wop != NUL)
3645 xp->xp_context = EXPAND_TAGS_LISTFILES;
3646 else
3647 xp->xp_context = EXPAND_TAGS;
3648 xp->xp_pattern = arg;
3649 break;
3650 case CMD_augroup:
3651 xp->xp_context = EXPAND_AUGROUP;
3652 xp->xp_pattern = arg;
3653 break;
3654 #ifdef FEAT_SYN_HL
3655 case CMD_syntax:
3656 set_context_in_syntax_cmd(xp, arg);
3657 break;
3658 #endif
3659 #ifdef FEAT_EVAL
3660 case CMD_let:
3661 case CMD_if:
3662 case CMD_elseif:
3663 case CMD_while:
3664 case CMD_for:
3665 case CMD_echo:
3666 case CMD_echon:
3667 case CMD_execute:
3668 case CMD_echomsg:
3669 case CMD_echoerr:
3670 case CMD_call:
3671 case CMD_return:
3672 set_context_for_expression(xp, arg, ea.cmdidx);
3673 break;
3674
3675 case CMD_unlet:
3676 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3677 arg = xp->xp_pattern + 1;
3678 xp->xp_context = EXPAND_USER_VARS;
3679 xp->xp_pattern = arg;
3680 break;
3681
3682 case CMD_function:
3683 case CMD_delfunction:
3684 xp->xp_context = EXPAND_USER_FUNC;
3685 xp->xp_pattern = arg;
3686 break;
3687
3688 case CMD_echohl:
3689 set_context_in_echohl_cmd(xp, arg);
3690 break;
3691 #endif
3692 case CMD_highlight:
3693 set_context_in_highlight_cmd(xp, arg);
3694 break;
3695 #ifdef FEAT_CSCOPE
3696 case CMD_cscope:
3697 case CMD_lcscope:
3698 case CMD_scscope:
3699 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3700 break;
3701 #endif
3702 #ifdef FEAT_SIGNS
3703 case CMD_sign:
3704 set_context_in_sign_cmd(xp, arg);
3705 break;
3706 #endif
3707 #ifdef FEAT_LISTCMDS
3708 case CMD_bdelete:
3709 case CMD_bwipeout:
3710 case CMD_bunload:
3711 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3712 arg = xp->xp_pattern + 1;
3713 /*FALLTHROUGH*/
3714 case CMD_buffer:
3715 case CMD_sbuffer:
3716 case CMD_checktime:
3717 xp->xp_context = EXPAND_BUFFERS;
3718 xp->xp_pattern = arg;
3719 break;
3720 #endif
3721 #ifdef FEAT_USR_CMDS
3722 case CMD_USER:
3723 case CMD_USER_BUF:
3724 if (compl != EXPAND_NOTHING)
3725 {
3726 /* XFILE: file names are handled above */
3727 if (!(ea.argt & XFILE))
3728 {
3729 # ifdef FEAT_MENU
3730 if (compl == EXPAND_MENUS)
3731 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3732 # endif
3733 if (compl == EXPAND_COMMANDS)
3734 return arg;
3735 if (compl == EXPAND_MAPPINGS)
3736 return set_context_in_map_cmd(xp, (char_u *)"map",
3737 arg, forceit, FALSE, FALSE, CMD_map);
3738 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3739 arg = xp->xp_pattern + 1;
3740 xp->xp_pattern = arg;
3741 }
3742 xp->xp_context = compl;
3743 }
3744 break;
3745 #endif
3746 case CMD_map: case CMD_noremap:
3747 case CMD_nmap: case CMD_nnoremap:
3748 case CMD_vmap: case CMD_vnoremap:
3749 case CMD_omap: case CMD_onoremap:
3750 case CMD_imap: case CMD_inoremap:
3751 case CMD_cmap: case CMD_cnoremap:
3752 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3753 FALSE, FALSE, ea.cmdidx);
3754 case CMD_unmap:
3755 case CMD_nunmap:
3756 case CMD_vunmap:
3757 case CMD_ounmap:
3758 case CMD_iunmap:
3759 case CMD_cunmap:
3760 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3761 FALSE, TRUE, ea.cmdidx);
3762 case CMD_abbreviate: case CMD_noreabbrev:
3763 case CMD_cabbrev: case CMD_cnoreabbrev:
3764 case CMD_iabbrev: case CMD_inoreabbrev:
3765 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3766 TRUE, FALSE, ea.cmdidx);
3767 case CMD_unabbreviate:
3768 case CMD_cunabbrev:
3769 case CMD_iunabbrev:
3770 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3771 TRUE, TRUE, ea.cmdidx);
3772 #ifdef FEAT_MENU
3773 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3774 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3775 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3776 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3777 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3778 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3779 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3780 case CMD_tmenu: case CMD_tunmenu:
3781 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3782 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3783 #endif
3784
3785 case CMD_colorscheme:
3786 xp->xp_context = EXPAND_COLORS;
3787 xp->xp_pattern = arg;
3788 break;
3789
3790 case CMD_compiler:
3791 xp->xp_context = EXPAND_COMPILER;
3792 xp->xp_pattern = arg;
3793 break;
3794
3795 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3796 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3797 case CMD_language:
3798 if (*skiptowhite(arg) == NUL)
3799 {
3800 xp->xp_context = EXPAND_LANGUAGE;
3801 xp->xp_pattern = arg;
3802 }
3803 else
3804 xp->xp_context = EXPAND_NOTHING;
3805 break;
3806 #endif
3807 #if defined(FEAT_PROFILE)
3808 case CMD_profile:
3809 set_context_in_profile_cmd(xp, arg);
3810 break;
3811 #endif
3812 case CMD_behave:
3813 xp->xp_context = EXPAND_BEHAVE;
3814 break;
3815
3816 #endif /* FEAT_CMDL_COMPL */
3817
3818 default:
3819 break;
3820 }
3821 return NULL;
3822 }
3823
3824 /*
3825 * skip a range specifier of the form: addr [,addr] [;addr] ..
3826 *
3827 * Backslashed delimiters after / or ? will be skipped, and commands will
3828 * not be expanded between /'s and ?'s or after "'".
3829 *
3830 * Also skip white space and ":" characters.
3831 * Returns the "cmd" pointer advanced to beyond the range.
3832 */
3833 char_u *
3834 skip_range(cmd, ctx)
3835 char_u *cmd;
3836 int *ctx; /* pointer to xp_context or NULL */
3837 {
3838 unsigned delim;
3839
3840 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3841 {
3842 if (*cmd == '\'')
3843 {
3844 if (*++cmd == NUL && ctx != NULL)
3845 *ctx = EXPAND_NOTHING;
3846 }
3847 else if (*cmd == '/' || *cmd == '?')
3848 {
3849 delim = *cmd++;
3850 while (*cmd != NUL && *cmd != delim)
3851 if (*cmd++ == '\\' && *cmd != NUL)
3852 ++cmd;
3853 if (*cmd == NUL && ctx != NULL)
3854 *ctx = EXPAND_NOTHING;
3855 }
3856 if (*cmd != NUL)
3857 ++cmd;
3858 }
3859
3860 /* Skip ":" and white space. */
3861 while (*cmd == ':')
3862 cmd = skipwhite(cmd + 1);
3863
3864 return cmd;
3865 }
3866
3867 /*
3868 * get a single EX address
3869 *
3870 * Set ptr to the next character after the part that was interpreted.
3871 * Set ptr to NULL when an error is encountered.
3872 *
3873 * Return MAXLNUM when no Ex address was found.
3874 */
3875 static linenr_T
3876 get_address(ptr, skip, to_other_file)
3877 char_u **ptr;
3878 int skip; /* only skip the address, don't use it */
3879 int to_other_file; /* flag: may jump to other file */
3880 {
3881 int c;
3882 int i;
3883 long n;
3884 char_u *cmd;
3885 pos_T pos;
3886 pos_T *fp;
3887 linenr_T lnum;
3888
3889 cmd = skipwhite(*ptr);
3890 lnum = MAXLNUM;
3891 do
3892 {
3893 switch (*cmd)
3894 {
3895 case '.': /* '.' - Cursor position */
3896 ++cmd;
3897 lnum = curwin->w_cursor.lnum;
3898 break;
3899
3900 case '$': /* '$' - last line */
3901 ++cmd;
3902 lnum = curbuf->b_ml.ml_line_count;
3903 break;
3904
3905 case '\'': /* ''' - mark */
3906 if (*++cmd == NUL)
3907 {
3908 cmd = NULL;
3909 goto error;
3910 }
3911 if (skip)
3912 ++cmd;
3913 else
3914 {
3915 /* Only accept a mark in another file when it is
3916 * used by itself: ":'M". */
3917 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3918 ++cmd;
3919 if (fp == (pos_T *)-1)
3920 /* Jumped to another file. */
3921 lnum = curwin->w_cursor.lnum;
3922 else
3923 {
3924 if (check_mark(fp) == FAIL)
3925 {
3926 cmd = NULL;
3927 goto error;
3928 }
3929 lnum = fp->lnum;
3930 }
3931 }
3932 break;
3933
3934 case '/':
3935 case '?': /* '/' or '?' - search */
3936 c = *cmd++;
3937 if (skip) /* skip "/pat/" */
3938 {
3939 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3940 if (*cmd == c)
3941 ++cmd;
3942 }
3943 else
3944 {
3945 pos = curwin->w_cursor; /* save curwin->w_cursor */
3946 /*
3947 * When '/' or '?' follows another address, start
3948 * from there.
3949 */
3950 if (lnum != MAXLNUM)
3951 curwin->w_cursor.lnum = lnum;
3952 /*
3953 * Start a forward search at the end of the line.
3954 * Start a backward search at the start of the line.
3955 * This makes sure we never match in the current
3956 * line, and can match anywhere in the
3957 * next/previous line.
3958 */
3959 if (c == '/')
3960 curwin->w_cursor.col = MAXCOL;
3961 else
3962 curwin->w_cursor.col = 0;
3963 searchcmdlen = 0;
3964 if (!do_search(NULL, c, cmd, 1L,
3965 SEARCH_HIS | SEARCH_MSG, NULL))
3966 {
3967 curwin->w_cursor = pos;
3968 cmd = NULL;
3969 goto error;
3970 }
3971 lnum = curwin->w_cursor.lnum;
3972 curwin->w_cursor = pos;
3973 /* adjust command string pointer */
3974 cmd += searchcmdlen;
3975 }
3976 break;
3977
3978 case '\\': /* "\?", "\/" or "\&", repeat search */
3979 ++cmd;
3980 if (*cmd == '&')
3981 i = RE_SUBST;
3982 else if (*cmd == '?' || *cmd == '/')
3983 i = RE_SEARCH;
3984 else
3985 {
3986 EMSG(_(e_backslash));
3987 cmd = NULL;
3988 goto error;
3989 }
3990
3991 if (!skip)
3992 {
3993 /*
3994 * When search follows another address, start from
3995 * there.
3996 */
3997 if (lnum != MAXLNUM)
3998 pos.lnum = lnum;
3999 else
4000 pos.lnum = curwin->w_cursor.lnum;
4001
4002 /*
4003 * Start the search just like for the above
4004 * do_search().
4005 */
4006 if (*cmd != '?')
4007 pos.col = MAXCOL;
4008 else
4009 pos.col = 0;
4010 if (searchit(curwin, curbuf, &pos,
4011 *cmd == '?' ? BACKWARD : FORWARD,
4012 (char_u *)"", 1L, SEARCH_MSG,
4013 i, (linenr_T)0, NULL) != FAIL)
4014 lnum = pos.lnum;
4015 else
4016 {
4017 cmd = NULL;
4018 goto error;
4019 }
4020 }
4021 ++cmd;
4022 break;
4023
4024 default:
4025 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4026 lnum = getdigits(&cmd);
4027 }
4028
4029 for (;;)
4030 {
4031 cmd = skipwhite(cmd);
4032 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4033 break;
4034
4035 if (lnum == MAXLNUM)
4036 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4037 if (VIM_ISDIGIT(*cmd))
4038 i = '+'; /* "number" is same as "+number" */
4039 else
4040 i = *cmd++;
4041 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4042 n = 1;
4043 else
4044 n = getdigits(&cmd);
4045 if (i == '-')
4046 lnum -= n;
4047 else
4048 lnum += n;
4049 }
4050 } while (*cmd == '/' || *cmd == '?');
4051
4052 error:
4053 *ptr = cmd;
4054 return lnum;
4055 }
4056
4057 /*
4058 * Get flags from an Ex command argument.
4059 */
4060 static void
4061 get_flags(eap)
4062 exarg_T *eap;
4063 {
4064 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4065 {
4066 if (*eap->arg == 'l')
4067 eap->flags |= EXFLAG_LIST;
4068 else if (*eap->arg == 'p')
4069 eap->flags |= EXFLAG_PRINT;
4070 else
4071 eap->flags |= EXFLAG_NR;
4072 eap->arg = skipwhite(eap->arg + 1);
4073 }
4074 }
4075
4076 /*
4077 * Function called for command which is Not Implemented. NI!
4078 */
4079 void
4080 ex_ni(eap)
4081 exarg_T *eap;
4082 {
4083 if (!eap->skip)
4084 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4085 }
4086
4087 #ifdef HAVE_EX_SCRIPT_NI
4088 /*
4089 * Function called for script command which is Not Implemented. NI!
4090 * Skips over ":perl <<EOF" constructs.
4091 */
4092 static void
4093 ex_script_ni(eap)
4094 exarg_T *eap;
4095 {
4096 if (!eap->skip)
4097 ex_ni(eap);
4098 else
4099 vim_free(script_get(eap, eap->arg));
4100 }
4101 #endif
4102
4103 /*
4104 * Check range in Ex command for validity.
4105 * Return NULL when valid, error message when invalid.
4106 */
4107 static char_u *
4108 invalid_range(eap)
4109 exarg_T *eap;
4110 {
4111 if ( eap->line1 < 0
4112 || eap->line2 < 0
4113 || eap->line1 > eap->line2
4114 || ((eap->argt & RANGE)
4115 && !(eap->argt & NOTADR)
4116 && eap->line2 > curbuf->b_ml.ml_line_count
4117 #ifdef FEAT_DIFF
4118 + (eap->cmdidx == CMD_diffget)
4119 #endif
4120 ))
4121 return (char_u *)_(e_invrange);
4122 return NULL;
4123 }
4124
4125 /*
4126 * Correct the range for zero line number, if required.
4127 */
4128 static void
4129 correct_range(eap)
4130 exarg_T *eap;
4131 {
4132 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4133 {
4134 if (eap->line1 == 0)
4135 eap->line1 = 1;
4136 if (eap->line2 == 0)
4137 eap->line2 = 1;
4138 }
4139 }
4140
4141 #ifdef FEAT_QUICKFIX
4142 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4143
4144 /*
4145 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4146 * pattern. Otherwise return eap->arg.
4147 */
4148 static char_u *
4149 skip_grep_pat(eap)
4150 exarg_T *eap;
4151 {
4152 char_u *p = eap->arg;
4153
4154 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4155 || eap->cmdidx == CMD_vimgrepadd
4156 || eap->cmdidx == CMD_lvimgrepadd
4157 || grep_internal(eap->cmdidx)))
4158 {
4159 p = skip_vimgrep_pat(p, NULL, NULL);
4160 if (p == NULL)
4161 p = eap->arg;
4162 }
4163 return p;
4164 }
4165
4166 /*
4167 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4168 * in the command line, so that things like % get expanded.
4169 */
4170 static char_u *
4171 replace_makeprg(eap, p, cmdlinep)
4172 exarg_T *eap;
4173 char_u *p;
4174 char_u **cmdlinep;
4175 {
4176 char_u *new_cmdline;
4177 char_u *program;
4178 char_u *pos;
4179 char_u *ptr;
4180 int len;
4181 int i;
4182
4183 /*
4184 * Don't do it when ":vimgrep" is used for ":grep".
4185 */
4186 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4187 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4188 || eap->cmdidx == CMD_grepadd
4189 || eap->cmdidx == CMD_lgrepadd)
4190 && !grep_internal(eap->cmdidx))
4191 {
4192 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4193 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4194 {
4195 if (*curbuf->b_p_gp == NUL)
4196 program = p_gp;
4197 else
4198 program = curbuf->b_p_gp;
4199 }
4200 else
4201 {
4202 if (*curbuf->b_p_mp == NUL)
4203 program = p_mp;
4204 else
4205 program = curbuf->b_p_mp;
4206 }
4207
4208 p = skipwhite(p);
4209
4210 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4211 {
4212 /* replace $* by given arguments */
4213 i = 1;
4214 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4215 ++i;
4216 len = (int)STRLEN(p);
4217 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4218 if (new_cmdline == NULL)
4219 return NULL; /* out of memory */
4220 ptr = new_cmdline;
4221 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4222 {
4223 i = (int)(pos - program);
4224 STRNCPY(ptr, program, i);
4225 STRCPY(ptr += i, p);
4226 ptr += len;
4227 program = pos + 2;
4228 }
4229 STRCPY(ptr, program);
4230 }
4231 else
4232 {
4233 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4234 if (new_cmdline == NULL)
4235 return NULL; /* out of memory */
4236 STRCPY(new_cmdline, program);
4237 STRCAT(new_cmdline, " ");
4238 STRCAT(new_cmdline, p);
4239 }
4240 msg_make(p);
4241
4242 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4243 vim_free(*cmdlinep);
4244 *cmdlinep = new_cmdline;
4245 p = new_cmdline;
4246 }
4247 return p;
4248 }
4249 #endif
4250
4251 /*
4252 * Expand file name in Ex command argument.
4253 * Return FAIL for failure, OK otherwise.
4254 */
4255 int
4256 expand_filename(eap, cmdlinep, errormsgp)
4257 exarg_T *eap;
4258 char_u **cmdlinep;
4259 char_u **errormsgp;
4260 {
4261 int has_wildcards; /* need to expand wildcards */
4262 char_u *repl;
4263 int srclen;
4264 char_u *p;
4265 int n;
4266 int escaped;
4267
4268 #ifdef FEAT_QUICKFIX
4269 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4270 p = skip_grep_pat(eap);
4271 #else
4272 p = eap->arg;
4273 #endif
4274
4275 /*
4276 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4277 * the file name contains a wildcard it should not cause expanding.
4278 * (it will be expanded anyway if there is a wildcard before replacing).
4279 */
4280 has_wildcards = mch_has_wildcard(p);
4281 while (*p != NUL)
4282 {
4283 #ifdef FEAT_EVAL
4284 /* Skip over `=expr`, wildcards in it are not expanded. */
4285 if (p[0] == '`' && p[1] == '=')
4286 {
4287 p += 2;
4288 (void)skip_expr(&p);
4289 if (*p == '`')
4290 ++p;
4291 continue;
4292 }
4293 #endif
4294 /*
4295 * Quick check if this cannot be the start of a special string.
4296 * Also removes backslash before '%', '#' and '<'.
4297 */
4298 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4299 {
4300 ++p;
4301 continue;
4302 }
4303
4304 /*
4305 * Try to find a match at this position.
4306 */
4307 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4308 errormsgp, &escaped);
4309 if (*errormsgp != NULL) /* error detected */
4310 return FAIL;
4311 if (repl == NULL) /* no match found */
4312 {
4313 p += srclen;
4314 continue;
4315 }
4316
4317 /* Wildcards won't be expanded below, the replacement is taken
4318 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4319 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4320 {
4321 char_u *l = repl;
4322
4323 repl = expand_env_save(repl);
4324 vim_free(l);
4325 }
4326
4327 /* Need to escape white space et al. with a backslash.
4328 * Don't do this for:
4329 * - replacement that already has been escaped: "##"
4330 * - shell commands (may have to use quotes instead).
4331 * - non-unix systems when there is a single argument (spaces don't
4332 * separate arguments then).
4333 */
4334 if (!eap->usefilter
4335 && !escaped
4336 && eap->cmdidx != CMD_bang
4337 && eap->cmdidx != CMD_make
4338 && eap->cmdidx != CMD_lmake
4339 && eap->cmdidx != CMD_grep
4340 && eap->cmdidx != CMD_lgrep
4341 && eap->cmdidx != CMD_grepadd
4342 && eap->cmdidx != CMD_lgrepadd
4343 #ifndef UNIX
4344 && !(eap->argt & NOSPC)
4345 #endif
4346 )
4347 {
4348 char_u *l;
4349 #ifdef BACKSLASH_IN_FILENAME
4350 /* Don't escape a backslash here, because rem_backslash() doesn't
4351 * remove it later. */
4352 static char_u *nobslash = (char_u *)" \t\"|";
4353 # define ESCAPE_CHARS nobslash
4354 #else
4355 # define ESCAPE_CHARS escape_chars
4356 #endif
4357
4358 for (l = repl; *l; ++l)
4359 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4360 {
4361 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4362 if (l != NULL)
4363 {
4364 vim_free(repl);
4365 repl = l;
4366 }
4367 break;
4368 }
4369 }
4370
4371 /* For a shell command a '!' must be escaped. */
4372 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4373 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4374 {
4375 char_u *l;
4376
4377 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4378 if (l != NULL)
4379 {
4380 vim_free(repl);
4381 repl = l;
4382 /* For a sh-like shell escape "!" another time. */
4383 if (strstr((char *)p_sh, "sh") != NULL)
4384 {
4385 l = vim_strsave_escaped(repl, (char_u *)"!");
4386 if (l != NULL)
4387 {
4388 vim_free(repl);
4389 repl = l;
4390 }
4391 }
4392 }
4393 }
4394
4395 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4396 vim_free(repl);
4397 if (p == NULL)
4398 return FAIL;
4399 }
4400
4401 /*
4402 * One file argument: Expand wildcards.
4403 * Don't do this with ":r !command" or ":w !command".
4404 */
4405 if ((eap->argt & NOSPC) && !eap->usefilter)
4406 {
4407 /*
4408 * May do this twice:
4409 * 1. Replace environment variables.
4410 * 2. Replace any other wildcards, remove backslashes.
4411 */
4412 for (n = 1; n <= 2; ++n)
4413 {
4414 if (n == 2)
4415 {
4416 #ifdef UNIX
4417 /*
4418 * Only for Unix we check for more than one file name.
4419 * For other systems spaces are considered to be part
4420 * of the file name.
4421 * Only check here if there is no wildcard, otherwise
4422 * ExpandOne() will check for errors. This allows
4423 * ":e `ls ve*.c`" on Unix.
4424 */
4425 if (!has_wildcards)
4426 for (p = eap->arg; *p; ++p)
4427 {
4428 /* skip escaped characters */
4429 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4430 ++p;
4431 else if (vim_iswhite(*p))
4432 {
4433 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4434 return FAIL;
4435 }
4436 }
4437 #endif
4438
4439 /*
4440 * Halve the number of backslashes (this is Vi compatible).
4441 * For Unix and OS/2, when wildcards are expanded, this is
4442 * done by ExpandOne() below.
4443 */
4444 #if defined(UNIX) || defined(OS2)
4445 if (!has_wildcards)
4446 #endif
4447 backslash_halve(eap->arg);
4448 }
4449
4450 if (has_wildcards)
4451 {
4452 if (n == 1)
4453 {
4454 /*
4455 * First loop: May expand environment variables. This
4456 * can be done much faster with expand_env() than with
4457 * something else (e.g., calling a shell).
4458 * After expanding environment variables, check again
4459 * if there are still wildcards present.
4460 */
4461 if (vim_strchr(eap->arg, '$') != NULL
4462 || vim_strchr(eap->arg, '~') != NULL)
4463 {
4464 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4465 TRUE, TRUE, NULL);
4466 has_wildcards = mch_has_wildcard(NameBuff);
4467 p = NameBuff;
4468 }
4469 else
4470 p = NULL;
4471 }
4472 else /* n == 2 */
4473 {
4474 expand_T xpc;
4475
4476 ExpandInit(&xpc);
4477 xpc.xp_context = EXPAND_FILES;
4478 p = ExpandOne(&xpc, eap->arg, NULL,
4479 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4480 WILD_EXPAND_FREE);
4481 if (p == NULL)
4482 return FAIL;
4483 }
4484 if (p != NULL)
4485 {
4486 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4487 p, cmdlinep);
4488 if (n == 2) /* p came from ExpandOne() */
4489 vim_free(p);
4490 }
4491 }
4492 }
4493 }
4494 return OK;
4495 }
4496
4497 /*
4498 * Replace part of the command line, keeping eap->cmd, eap->arg and
4499 * eap->nextcmd correct.
4500 * "src" points to the part that is to be replaced, of length "srclen".
4501 * "repl" is the replacement string.
4502 * Returns a pointer to the character after the replaced string.
4503 * Returns NULL for failure.
4504 */
4505 static char_u *
4506 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4507 exarg_T *eap;
4508 char_u *src;
4509 int srclen;
4510 char_u *repl;
4511 char_u **cmdlinep;
4512 {
4513 int len;
4514 int i;
4515 char_u *new_cmdline;
4516
4517 /*
4518 * The new command line is build in new_cmdline[].
4519 * First allocate it.
4520 * Careful: a "+cmd" argument may have been NUL terminated.
4521 */
4522 len = (int)STRLEN(repl);
4523 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4524 if (eap->nextcmd != NULL)
4525 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4526 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4527 return NULL; /* out of memory! */
4528
4529 /*
4530 * Copy the stuff before the expanded part.
4531 * Copy the expanded stuff.
4532 * Copy what came after the expanded part.
4533 * Copy the next commands, if there are any.
4534 */
4535 i = (int)(src - *cmdlinep); /* length of part before match */
4536 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4537
4538 mch_memmove(new_cmdline + i, repl, (size_t)len);
4539 i += len; /* remember the end of the string */
4540 STRCPY(new_cmdline + i, src + srclen);
4541 src = new_cmdline + i; /* remember where to continue */
4542
4543 if (eap->nextcmd != NULL) /* append next command */
4544 {
4545 i = (int)STRLEN(new_cmdline) + 1;
4546 STRCPY(new_cmdline + i, eap->nextcmd);
4547 eap->nextcmd = new_cmdline + i;
4548 }
4549 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4550 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4551 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4552 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4553 vim_free(*cmdlinep);
4554 *cmdlinep = new_cmdline;
4555
4556 return src;
4557 }
4558
4559 /*
4560 * Check for '|' to separate commands and '"' to start comments.
4561 */
4562 void
4563 separate_nextcmd(eap)
4564 exarg_T *eap;
4565 {
4566 char_u *p;
4567
4568 #ifdef FEAT_QUICKFIX
4569 p = skip_grep_pat(eap);
4570 #else
4571 p = eap->arg;
4572 #endif
4573
4574 for ( ; *p; mb_ptr_adv(p))
4575 {
4576 if (*p == Ctrl_V)
4577 {
4578 if (eap->argt & (USECTRLV | XFILE))
4579 ++p; /* skip CTRL-V and next char */
4580 else
4581 /* remove CTRL-V and skip next char */
4582 STRMOVE(p, p + 1);
4583 if (*p == NUL) /* stop at NUL after CTRL-V */
4584 break;
4585 }
4586
4587 #ifdef FEAT_EVAL
4588 /* Skip over `=expr` when wildcards are expanded. */
4589 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4590 {
4591 p += 2;
4592 (void)skip_expr(&p);
4593 }
4594 #endif
4595
4596 /* Check for '"': start of comment or '|': next command */
4597 /* :@" and :*" do not start a comment!
4598 * :redir @" doesn't either. */
4599 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4600 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4601 || p != eap->arg)
4602 && (eap->cmdidx != CMD_redir
4603 || p != eap->arg + 1 || p[-1] != '@'))
4604 || *p == '|' || *p == '\n')
4605 {
4606 /*
4607 * We remove the '\' before the '|', unless USECTRLV is used
4608 * AND 'b' is present in 'cpoptions'.
4609 */
4610 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4611 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4612 {
4613 STRMOVE(p - 1, p); /* remove the '\' */
4614 --p;
4615 }
4616 else
4617 {
4618 eap->nextcmd = check_nextcmd(p);
4619 *p = NUL;
4620 break;
4621 }
4622 }
4623 }
4624
4625 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4626 del_trailing_spaces(eap->arg);
4627 }
4628
4629 /*
4630 * get + command from ex argument
4631 */
4632 static char_u *
4633 getargcmd(argp)
4634 char_u **argp;
4635 {
4636 char_u *arg = *argp;
4637 char_u *command = NULL;
4638
4639 if (*arg == '+') /* +[command] */
4640 {
4641 ++arg;
4642 if (vim_isspace(*arg))
4643 command = dollar_command;
4644 else
4645 {
4646 command = arg;
4647 arg = skip_cmd_arg(command, TRUE);
4648 if (*arg != NUL)
4649 *arg++ = NUL; /* terminate command with NUL */
4650 }
4651
4652 arg = skipwhite(arg); /* skip over spaces */
4653 *argp = arg;
4654 }
4655 return command;
4656 }
4657
4658 /*
4659 * Find end of "+command" argument. Skip over "\ " and "\\".
4660 */
4661 static char_u *
4662 skip_cmd_arg(p, rembs)
4663 char_u *p;
4664 int rembs; /* TRUE to halve the number of backslashes */
4665 {
4666 while (*p && !vim_isspace(*p))
4667 {
4668 if (*p == '\\' && p[1] != NUL)
4669 {
4670 if (rembs)
4671 STRMOVE(p, p + 1);
4672 else
4673 ++p;
4674 }
4675 mb_ptr_adv(p);
4676 }
4677 return p;
4678 }
4679
4680 /*
4681 * Get "++opt=arg" argument.
4682 * Return FAIL or OK.
4683 */
4684 static int
4685 getargopt(eap)
4686 exarg_T *eap;
4687 {
4688 char_u *arg = eap->arg + 2;
4689 int *pp = NULL;
4690 #ifdef FEAT_MBYTE
4691 int bad_char_idx;
4692 char_u *p;
4693 #endif
4694
4695 /* ":edit ++[no]bin[ary] file" */
4696 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4697 {
4698 if (*arg == 'n')
4699 {
4700 arg += 2;
4701 eap->force_bin = FORCE_NOBIN;
4702 }
4703 else
4704 eap->force_bin = FORCE_BIN;
4705 if (!checkforcmd(&arg, "binary", 3))
4706 return FAIL;
4707 eap->arg = skipwhite(arg);
4708 return OK;
4709 }
4710
4711 /* ":read ++edit file" */
4712 if (STRNCMP(arg, "edit", 4) == 0)
4713 {
4714 eap->read_edit = TRUE;
4715 eap->arg = skipwhite(arg + 4);
4716 return OK;
4717 }
4718
4719 if (STRNCMP(arg, "ff", 2) == 0)
4720 {
4721 arg += 2;
4722 pp = &eap->force_ff;
4723 }
4724 else if (STRNCMP(arg, "fileformat", 10) == 0)
4725 {
4726 arg += 10;
4727 pp = &eap->force_ff;
4728 }
4729 #ifdef FEAT_MBYTE
4730 else if (STRNCMP(arg, "enc", 3) == 0)
4731 {
4732 arg += 3;
4733 pp = &eap->force_enc;
4734 }
4735 else if (STRNCMP(arg, "encoding", 8) == 0)
4736 {
4737 arg += 8;
4738 pp = &eap->force_enc;
4739 }
4740 else if (STRNCMP(arg, "bad", 3) == 0)
4741 {
4742 arg += 3;
4743 pp = &bad_char_idx;
4744 }
4745 #endif
4746
4747 if (pp == NULL || *arg != '=')
4748 return FAIL;
4749
4750 ++arg;
4751 *pp = (int)(arg - eap->cmd);
4752 arg = skip_cmd_arg(arg, FALSE);
4753 eap->arg = skipwhite(arg);
4754 *arg = NUL;
4755
4756 #ifdef FEAT_MBYTE
4757 if (pp == &eap->force_ff)
4758 {
4759 #endif
4760 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4761 return FAIL;
4762 #ifdef FEAT_MBYTE
4763 }
4764 else if (pp == &eap->force_enc)
4765 {
4766 /* Make 'fileencoding' lower case. */
4767 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4768 *p = TOLOWER_ASC(*p);
4769 }
4770 else
4771 {
4772 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4773 * "drop". */
4774 p = eap->cmd + bad_char_idx;
4775 if (STRICMP(p, "keep") == 0)
4776 eap->bad_char = BAD_KEEP;
4777 else if (STRICMP(p, "drop") == 0)
4778 eap->bad_char = BAD_DROP;
4779 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4780 eap->bad_char = *p;
4781 else
4782 return FAIL;
4783 }
4784 #endif
4785
4786 return OK;
4787 }
4788
4789 /*
4790 * ":abbreviate" and friends.
4791 */
4792 static void
4793 ex_abbreviate(eap)
4794 exarg_T *eap;
4795 {
4796 do_exmap(eap, TRUE); /* almost the same as mapping */
4797 }
4798
4799 /*
4800 * ":map" and friends.
4801 */
4802 static void
4803 ex_map(eap)
4804 exarg_T *eap;
4805 {
4806 /*
4807 * If we are sourcing .exrc or .vimrc in current directory we
4808 * print the mappings for security reasons.
4809 */
4810 if (secure)
4811 {
4812 secure = 2;
4813 msg_outtrans(eap->cmd);
4814 msg_putchar('\n');
4815 }
4816 do_exmap(eap, FALSE);
4817 }
4818
4819 /*
4820 * ":unmap" and friends.
4821 */
4822 static void
4823 ex_unmap(eap)
4824 exarg_T *eap;
4825 {
4826 do_exmap(eap, FALSE);
4827 }
4828
4829 /*
4830 * ":mapclear" and friends.
4831 */
4832 static void
4833 ex_mapclear(eap)
4834 exarg_T *eap;
4835 {
4836 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4837 }
4838
4839 /*
4840 * ":abclear" and friends.
4841 */
4842 static void
4843 ex_abclear(eap)
4844 exarg_T *eap;
4845 {
4846 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4847 }
4848
4849 #ifdef FEAT_AUTOCMD
4850 static void
4851 ex_autocmd(eap)
4852 exarg_T *eap;
4853 {
4854 /*
4855 * Disallow auto commands from .exrc and .vimrc in current
4856 * directory for security reasons.
4857 */
4858 if (secure)
4859 {
4860 secure = 2;
4861 eap->errmsg = e_curdir;
4862 }
4863 else if (eap->cmdidx == CMD_autocmd)
4864 do_autocmd(eap->arg, eap->forceit);
4865 else
4866 do_augroup(eap->arg, eap->forceit);
4867 }
4868
4869 /*
4870 * ":doautocmd": Apply the automatic commands to the current buffer.
4871 */
4872 static void
4873 ex_doautocmd(eap)
4874 exarg_T *eap;
4875 {
4876 (void)do_doautocmd(eap->arg, TRUE);
4877 do_modelines(0);
4878 }
4879 #endif
4880
4881 #ifdef FEAT_LISTCMDS
4882 /*
4883 * :[N]bunload[!] [N] [bufname] unload buffer
4884 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4885 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4886 */
4887 static void
4888 ex_bunload(eap)
4889 exarg_T *eap;
4890 {
4891 eap->errmsg = do_bufdel(
4892 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4893 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4894 : DOBUF_UNLOAD, eap->arg,
4895 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4896 }
4897
4898 /*
4899 * :[N]buffer [N] to buffer N
4900 * :[N]sbuffer [N] to buffer N
4901 */
4902 static void
4903 ex_buffer(eap)
4904 exarg_T *eap;
4905 {
4906 if (*eap->arg)
4907 eap->errmsg = e_trailing;
4908 else
4909 {
4910 if (eap->addr_count == 0) /* default is current buffer */
4911 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4912 else
4913 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4914 }
4915 }
4916
4917 /*
4918 * :[N]bmodified [N] to next mod. buffer
4919 * :[N]sbmodified [N] to next mod. buffer
4920 */
4921 static void
4922 ex_bmodified(eap)
4923 exarg_T *eap;
4924 {
4925 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4926 }
4927
4928 /*
4929 * :[N]bnext [N] to next buffer
4930 * :[N]sbnext [N] split and to next buffer
4931 */
4932 static void
4933 ex_bnext(eap)
4934 exarg_T *eap;
4935 {
4936 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4937 }
4938
4939 /*
4940 * :[N]bNext [N] to previous buffer
4941 * :[N]bprevious [N] to previous buffer
4942 * :[N]sbNext [N] split and to previous buffer
4943 * :[N]sbprevious [N] split and to previous buffer
4944 */
4945 static void
4946 ex_bprevious(eap)
4947 exarg_T *eap;
4948 {
4949 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4950 }
4951
4952 /*
4953 * :brewind to first buffer
4954 * :bfirst to first buffer
4955 * :sbrewind split and to first buffer
4956 * :sbfirst split and to first buffer
4957 */
4958 static void
4959 ex_brewind(eap)
4960 exarg_T *eap;
4961 {
4962 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4963 }
4964
4965 /*
4966 * :blast to last buffer
4967 * :sblast split and to last buffer
4968 */
4969 static void
4970 ex_blast(eap)
4971 exarg_T *eap;
4972 {
4973 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4974 }
4975 #endif
4976
4977 int
4978 ends_excmd(c)
4979 int c;
4980 {
4981 return (c == NUL || c == '|' || c == '"' || c == '\n');
4982 }
4983
4984 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4985 || defined(PROTO)
4986 /*
4987 * Return the next command, after the first '|' or '\n'.
4988 * Return NULL if not found.
4989 */
4990 char_u *
4991 find_nextcmd(p)
4992 char_u *p;
4993 {
4994 while (*p != '|' && *p != '\n')
4995 {
4996 if (*p == NUL)
4997 return NULL;
4998 ++p;
4999 }
5000 return (p + 1);
5001 }
5002 #endif
5003
5004 /*
5005 * Check if *p is a separator between Ex commands.
5006 * Return NULL if it isn't, (p + 1) if it is.
5007 */
5008 char_u *
5009 check_nextcmd(p)
5010 char_u *p;
5011 {
5012 p = skipwhite(p);
5013 if (*p == '|' || *p == '\n')
5014 return (p + 1);
5015 else
5016 return NULL;
5017 }
5018
5019 /*
5020 * - if there are more files to edit
5021 * - and this is the last window
5022 * - and forceit not used
5023 * - and not repeated twice on a row
5024 * return FAIL and give error message if 'message' TRUE
5025 * return OK otherwise
5026 */
5027 static int
5028 check_more(message, forceit)
5029 int message; /* when FALSE check only, no messages */
5030 int forceit;
5031 {
5032 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5033
5034 if (!forceit && only_one_window()
5035 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5036 {
5037 if (message)
5038 {
5039 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5040 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5041 {
5042 char_u buff[IOSIZE];
5043
5044 if (n == 1)
5045 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5046 else
5047 vim_snprintf((char *)buff, IOSIZE,
5048 _("%d more files to edit. Quit anyway?"), n);
5049 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5050 return OK;
5051 return FAIL;
5052 }
5053 #endif
5054 if (n == 1)
5055 EMSG(_("E173: 1 more file to edit"));
5056 else
5057 EMSGN(_("E173: %ld more files to edit"), n);
5058 quitmore = 2; /* next try to quit is allowed */
5059 }
5060 return FAIL;
5061 }
5062 return OK;
5063 }
5064
5065 #ifdef FEAT_CMDL_COMPL
5066 /*
5067 * Function given to ExpandGeneric() to obtain the list of command names.
5068 */
5069 char_u *
5070 get_command_name(xp, idx)
5071 expand_T *xp UNUSED;
5072 int idx;
5073 {
5074 if (idx >= (int)CMD_SIZE)
5075 # ifdef FEAT_USR_CMDS
5076 return get_user_command_name(idx);
5077 # else
5078 return NULL;
5079 # endif
5080 return cmdnames[idx].cmd_name;
5081 }
5082 #endif
5083
5084 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5085 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));
5086 static void uc_list __ARGS((char_u *name, size_t name_len));
5087 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5088 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5089 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));
5090
5091 static int
5092 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5093 char_u *name;
5094 size_t name_len;
5095 char_u *rep;
5096 long argt;
5097 long def;
5098 int flags;
5099 int compl;
5100 char_u *compl_arg;
5101 int force;
5102 {
5103 ucmd_T *cmd = NULL;
5104 char_u *p;
5105 int i;
5106 int cmp = 1;
5107 char_u *rep_buf = NULL;
5108 garray_T *gap;
5109
5110 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5111 if (rep_buf == NULL)
5112 {
5113 /* Can't replace termcodes - try using the string as is */
5114 rep_buf = vim_strsave(rep);
5115
5116 /* Give up if out of memory */
5117 if (rep_buf == NULL)
5118 return FAIL;
5119 }
5120
5121 /* get address of growarray: global or in curbuf */
5122 if (flags & UC_BUFFER)
5123 {
5124 gap = &curbuf->b_ucmds;
5125 if (gap->ga_itemsize == 0)
5126 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5127 }
5128 else
5129 gap = &ucmds;
5130
5131 /* Search for the command in the already defined commands. */
5132 for (i = 0; i < gap->ga_len; ++i)
5133 {
5134 size_t len;
5135
5136 cmd = USER_CMD_GA(gap, i);
5137 len = STRLEN(cmd->uc_name);
5138 cmp = STRNCMP(name, cmd->uc_name, name_len);
5139 if (cmp == 0)
5140 {
5141 if (name_len < len)
5142 cmp = -1;
5143 else if (name_len > len)
5144 cmp = 1;
5145 }
5146
5147 if (cmp == 0)
5148 {
5149 if (!force)
5150 {
5151 EMSG(_("E174: Command already exists: add ! to replace it"));
5152 goto fail;
5153 }
5154
5155 vim_free(cmd->uc_rep);
5156 cmd->uc_rep = NULL;
5157 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5158 vim_free(cmd->uc_compl_arg);
5159 cmd->uc_compl_arg = NULL;
5160 #endif
5161 break;
5162 }
5163
5164 /* Stop as soon as we pass the name to add */
5165 if (cmp < 0)
5166 break;
5167 }
5168
5169 /* Extend the array unless we're replacing an existing command */
5170 if (cmp != 0)
5171 {
5172 if (ga_grow(gap, 1) != OK)
5173 goto fail;
5174 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5175 goto fail;
5176
5177 cmd = USER_CMD_GA(gap, i);
5178 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5179
5180 ++gap->ga_len;
5181
5182 cmd->uc_name = p;
5183 }
5184
5185 cmd->uc_rep = rep_buf;
5186 cmd->uc_argt = argt;
5187 cmd->uc_def = def;
5188 cmd->uc_compl = compl;
5189 #ifdef FEAT_EVAL
5190 cmd->uc_scriptID = current_SID;
5191 # ifdef FEAT_CMDL_COMPL
5192 cmd->uc_compl_arg = compl_arg;
5193 # endif
5194 #endif
5195
5196 return OK;
5197
5198 fail:
5199 vim_free(rep_buf);
5200 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5201 vim_free(compl_arg);
5202 #endif
5203 return FAIL;
5204 }
5205
5206 /*
5207 * List of names for completion for ":command" with the EXPAND_ flag.
5208 * Must be alphabetical for completion.
5209 */
5210 static struct
5211 {
5212 int expand;
5213 char *name;
5214 } command_complete[] =
5215 {
5216 {EXPAND_AUGROUP, "augroup"},
5217 {EXPAND_BUFFERS, "buffer"},
5218 {EXPAND_COMMANDS, "command"},
5219 #if defined(FEAT_CSCOPE)
5220 {EXPAND_CSCOPE, "cscope"},
5221 #endif
5222 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5223 {EXPAND_USER_DEFINED, "custom"},
5224 {EXPAND_USER_LIST, "customlist"},
5225 #endif
5226 {EXPAND_DIRECTORIES, "dir"},
5227 {EXPAND_ENV_VARS, "environment"},
5228 {EXPAND_EVENTS, "event"},
5229 {EXPAND_EXPRESSION, "expression"},
5230 {EXPAND_FILES, "file"},
5231 {EXPAND_FUNCTIONS, "function"},
5232 {EXPAND_HELP, "help"},
5233 {EXPAND_HIGHLIGHT, "highlight"},
5234 {EXPAND_MAPPINGS, "mapping"},
5235 {EXPAND_MENUS, "menu"},
5236 {EXPAND_SETTINGS, "option"},
5237 {EXPAND_SHELLCMD, "shellcmd"},
5238 #if defined(FEAT_SIGNS)
5239 {EXPAND_SIGN, "sign"},
5240 #endif
5241 {EXPAND_TAGS, "tag"},
5242 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5243 {EXPAND_USER_VARS, "var"},
5244 {0, NULL}
5245 };
5246
5247 static void
5248 uc_list(name, name_len)
5249 char_u *name;
5250 size_t name_len;
5251 {
5252 int i, j;
5253 int found = FALSE;
5254 ucmd_T *cmd;
5255 int len;
5256 long a;
5257 garray_T *gap;
5258
5259 gap = &curbuf->b_ucmds;
5260 for (;;)
5261 {
5262 for (i = 0; i < gap->ga_len; ++i)
5263 {
5264 cmd = USER_CMD_GA(gap, i);
5265 a = (long)cmd->uc_argt;
5266
5267 /* Skip commands which don't match the requested prefix */
5268 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5269 continue;
5270
5271 /* Put out the title first time */
5272 if (!found)
5273 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5274 found = TRUE;
5275 msg_putchar('\n');
5276 if (got_int)
5277 break;
5278
5279 /* Special cases */
5280 msg_putchar(a & BANG ? '!' : ' ');
5281 msg_putchar(a & REGSTR ? '"' : ' ');
5282 msg_putchar(gap != &ucmds ? 'b' : ' ');
5283 msg_putchar(' ');
5284
5285 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5286 len = (int)STRLEN(cmd->uc_name) + 4;
5287
5288 do {
5289 msg_putchar(' ');
5290 ++len;
5291 } while (len < 16);
5292
5293 len = 0;
5294
5295 /* Arguments */
5296 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5297 {
5298 case 0: IObuff[len++] = '0'; break;
5299 case (EXTRA): IObuff[len++] = '*'; break;
5300 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5301 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5302 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5303 }
5304
5305 do {
5306 IObuff[len++] = ' ';
5307 } while (len < 5);
5308
5309 /* Range */
5310 if (a & (RANGE|COUNT))
5311 {
5312 if (a & COUNT)
5313 {
5314 /* -count=N */
5315 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5316 len += (int)STRLEN(IObuff + len);
5317 }
5318 else if (a & DFLALL)
5319 IObuff[len++] = '%';
5320 else if (cmd->uc_def >= 0)
5321 {
5322 /* -range=N */
5323 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5324 len += (int)STRLEN(IObuff + len);
5325 }
5326 else
5327 IObuff[len++] = '.';
5328 }
5329
5330 do {
5331 IObuff[len++] = ' ';
5332 } while (len < 11);
5333
5334 /* Completion */
5335 for (j = 0; command_complete[j].expand != 0; ++j)
5336 if (command_complete[j].expand == cmd->uc_compl)
5337 {
5338 STRCPY(IObuff + len, command_complete[j].name);
5339 len += (int)STRLEN(IObuff + len);
5340 break;
5341 }
5342
5343 do {
5344 IObuff[len++] = ' ';
5345 } while (len < 21);
5346
5347 IObuff[len] = '\0';
5348 msg_outtrans(IObuff);
5349
5350 msg_outtrans_special(cmd->uc_rep, FALSE);
5351 #ifdef FEAT_EVAL
5352 if (p_verbose > 0)
5353 last_set_msg(cmd->uc_scriptID);
5354 #endif
5355 out_flush();
5356 ui_breakcheck();
5357 if (got_int)
5358 break;
5359 }
5360 if (gap == &ucmds || i < gap->ga_len)
5361 break;
5362 gap = &ucmds;
5363 }
5364
5365 if (!found)
5366 MSG(_("No user-defined commands found"));
5367 }
5368
5369 static char_u *
5370 uc_fun_cmd()
5371 {
5372 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5373 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5374 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5375 0xb9, 0x7f, 0};
5376 int i;
5377
5378 for (i = 0; fcmd[i]; ++i)
5379 IObuff[i] = fcmd[i] - 0x40;
5380 IObuff[i] = 0;
5381 return IObuff;
5382 }
5383
5384 static int
5385 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5386 char_u *attr;
5387 size_t len;
5388 long *argt;
5389 long *def;
5390 int *flags;
5391 int *compl;
5392 char_u **compl_arg;
5393 {
5394 char_u *p;
5395
5396 if (len == 0)
5397 {
5398 EMSG(_("E175: No attribute specified"));
5399 return FAIL;
5400 }
5401
5402 /* First, try the simple attributes (no arguments) */
5403 if (STRNICMP(attr, "bang", len) == 0)
5404 *argt |= BANG;
5405 else if (STRNICMP(attr, "buffer", len) == 0)
5406 *flags |= UC_BUFFER;
5407 else if (STRNICMP(attr, "register", len) == 0)
5408 *argt |= REGSTR;
5409 else if (STRNICMP(attr, "bar", len) == 0)
5410 *argt |= TRLBAR;
5411 else
5412 {
5413 int i;
5414 char_u *val = NULL;
5415 size_t vallen = 0;
5416 size_t attrlen = len;
5417
5418 /* Look for the attribute name - which is the part before any '=' */
5419 for (i = 0; i < (int)len; ++i)
5420 {
5421 if (attr[i] == '=')
5422 {
5423 val = &attr[i + 1];
5424 vallen = len - i - 1;
5425 attrlen = i;
5426 break;
5427 }
5428 }
5429
5430 if (STRNICMP(attr, "nargs", attrlen) == 0)
5431 {
5432 if (vallen == 1)
5433 {
5434 if (*val == '0')
5435 /* Do nothing - this is the default */;
5436 else if (*val == '1')
5437 *argt |= (EXTRA | NOSPC | NEEDARG);
5438 else if (*val == '*')
5439 *argt |= EXTRA;
5440 else if (*val == '?')
5441 *argt |= (EXTRA | NOSPC);
5442 else if (*val == '+')
5443 *argt |= (EXTRA | NEEDARG);
5444 else
5445 goto wrong_nargs;
5446 }
5447 else
5448 {
5449 wrong_nargs:
5450 EMSG(_("E176: Invalid number of arguments"));
5451 return FAIL;
5452 }
5453 }
5454 else if (STRNICMP(attr, "range", attrlen) == 0)
5455 {
5456 *argt |= RANGE;
5457 if (vallen == 1 && *val == '%')
5458 *argt |= DFLALL;
5459 else if (val != NULL)
5460 {
5461 p = val;
5462 if (*def >= 0)
5463 {
5464 two_count:
5465 EMSG(_("E177: Count cannot be specified twice"));
5466 return FAIL;
5467 }
5468
5469 *def = getdigits(&p);
5470 *argt |= (ZEROR | NOTADR);
5471
5472 if (p != val + vallen || vallen == 0)
5473 {
5474 invalid_count:
5475 EMSG(_("E178: Invalid default value for count"));
5476 return FAIL;
5477 }
5478 }
5479 }
5480 else if (STRNICMP(attr, "count", attrlen) == 0)
5481 {
5482 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5483
5484 if (val != NULL)
5485 {
5486 p = val;
5487 if (*def >= 0)
5488 goto two_count;
5489
5490 *def = getdigits(&p);
5491
5492 if (p != val + vallen)
5493 goto invalid_count;
5494 }
5495
5496 if (*def < 0)
5497 *def = 0;
5498 }
5499 else if (STRNICMP(attr, "complete", attrlen) == 0)
5500 {
5501 if (val == NULL)
5502 {
5503 EMSG(_("E179: argument required for -complete"));
5504 return FAIL;
5505 }
5506
5507 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5508 == FAIL)
5509 return FAIL;
5510 }
5511 else
5512 {
5513 char_u ch = attr[len];
5514 attr[len] = '\0';
5515 EMSG2(_("E181: Invalid attribute: %s"), attr);
5516 attr[len] = ch;
5517 return FAIL;
5518 }
5519 }
5520
5521 return OK;
5522 }
5523
5524 /*
5525 * ":command ..."
5526 */
5527 static void
5528 ex_command(eap)
5529 exarg_T *eap;
5530 {
5531 char_u *name;
5532 char_u *end;
5533 char_u *p;
5534 long argt = 0;
5535 long def = -1;
5536 int flags = 0;
5537 int compl = EXPAND_NOTHING;
5538 char_u *compl_arg = NULL;
5539 int has_attr = (eap->arg[0] == '-');
5540
5541 p = eap->arg;
5542
5543 /* Check for attributes */
5544 while (*p == '-')
5545 {
5546 ++p;
5547 end = skiptowhite(p);
5548 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5549 == FAIL)
5550 return;
5551 p = skipwhite(end);
5552 }
5553
5554 /* Get the name (if any) and skip to the following argument */
5555 name = p;
5556 if (ASCII_ISALPHA(*p))
5557 while (ASCII_ISALNUM(*p))
5558 ++p;
5559 if (!ends_excmd(*p) && !vim_iswhite(*p))
5560 {
5561 EMSG(_("E182: Invalid command name"));
5562 return;
5563 }
5564 end = p;
5565
5566 /* If there is nothing after the name, and no attributes were specified,
5567 * we are listing commands
5568 */
5569 p = skipwhite(end);
5570 if (!has_attr && ends_excmd(*p))
5571 {
5572 uc_list(name, end - name);
5573 }
5574 else if (!ASCII_ISUPPER(*name))
5575 {
5576 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5577 return;
5578 }
5579 else
5580 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5581 eap->forceit);
5582 }
5583
5584 /*
5585 * ":comclear"
5586 * Clear all user commands, global and for current buffer.
5587 */
5588 void
5589 ex_comclear(eap)
5590 exarg_T *eap UNUSED;
5591 {
5592 uc_clear(&ucmds);
5593 uc_clear(&curbuf->b_ucmds);
5594 }
5595
5596 /*
5597 * Clear all user commands for "gap".
5598 */
5599 void
5600 uc_clear(gap)
5601 garray_T *gap;
5602 {
5603 int i;
5604 ucmd_T *cmd;
5605
5606 for (i = 0; i < gap->ga_len; ++i)
5607 {
5608 cmd = USER_CMD_GA(gap, i);
5609 vim_free(cmd->uc_name);
5610 vim_free(cmd->uc_rep);
5611 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5612 vim_free(cmd->uc_compl_arg);
5613 # endif
5614 }
5615 ga_clear(gap);
5616 }
5617
5618 static void
5619 ex_delcommand(eap)
5620 exarg_T *eap;
5621 {
5622 int i = 0;
5623 ucmd_T *cmd = NULL;
5624 int cmp = -1;
5625 garray_T *gap;
5626
5627 gap = &curbuf->b_ucmds;
5628 for (;;)
5629 {
5630 for (i = 0; i < gap->ga_len; ++i)
5631 {
5632 cmd = USER_CMD_GA(gap, i);
5633 cmp = STRCMP(eap->arg, cmd->uc_name);
5634 if (cmp <= 0)
5635 break;
5636 }
5637 if (gap == &ucmds || cmp == 0)
5638 break;
5639 gap = &ucmds;
5640 }
5641
5642 if (cmp != 0)
5643 {
5644 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5645 return;
5646 }
5647
5648 vim_free(cmd->uc_name);
5649 vim_free(cmd->uc_rep);
5650 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5651 vim_free(cmd->uc_compl_arg);
5652 # endif
5653
5654 --gap->ga_len;
5655
5656 if (i < gap->ga_len)
5657 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5658 }
5659
5660 /*
5661 * split and quote args for <f-args>
5662 */
5663 static char_u *
5664 uc_split_args(arg, lenp)
5665 char_u *arg;
5666 size_t *lenp;
5667 {
5668 char_u *buf;
5669 char_u *p;
5670 char_u *q;
5671 int len;
5672
5673 /* Precalculate length */
5674 p = arg;
5675 len = 2; /* Initial and final quotes */
5676
5677 while (*p)
5678 {
5679 if (p[0] == '\\' && p[1] == '\\')
5680 {
5681 len += 2;
5682 p += 2;
5683 }
5684 else if (p[0] == '\\' && vim_iswhite(p[1]))
5685 {
5686 len += 1;
5687 p += 2;
5688 }
5689 else if (*p == '\\' || *p == '"')
5690 {
5691 len += 2;
5692 p += 1;
5693 }
5694 else if (vim_iswhite(*p))
5695 {
5696 p = skipwhite(p);
5697 if (*p == NUL)
5698 break;
5699 len += 3; /* "," */
5700 }
5701 else
5702 {
5703 ++len;
5704 ++p;
5705 }
5706 }
5707
5708 buf = alloc(len + 1);
5709 if (buf == NULL)
5710 {
5711 *lenp = 0;
5712 return buf;
5713 }
5714
5715 p = arg;
5716 q = buf;
5717 *q++ = '"';
5718 while (*p)
5719 {
5720 if (p[0] == '\\' && p[1] == '\\')
5721 {
5722 *q++ = '\\';
5723 *q++ = '\\';
5724 p += 2;
5725 }
5726 else if (p[0] == '\\' && vim_iswhite(p[1]))
5727 {
5728 *q++ = p[1];
5729 p += 2;
5730 }
5731 else if (*p == '\\' || *p == '"')
5732 {
5733 *q++ = '\\';
5734 *q++ = *p++;
5735 }
5736 else if (vim_iswhite(*p))
5737 {
5738 p = skipwhite(p);
5739 if (*p == NUL)
5740 break;
5741 *q++ = '"';
5742 *q++ = ',';
5743 *q++ = '"';
5744 }
5745 else
5746 {
5747 *q++ = *p++;
5748 }
5749 }
5750 *q++ = '"';
5751 *q = 0;
5752
5753 *lenp = len;
5754 return buf;
5755 }
5756
5757 /*
5758 * Check for a <> code in a user command.
5759 * "code" points to the '<'. "len" the length of the <> (inclusive).
5760 * "buf" is where the result is to be added.
5761 * "split_buf" points to a buffer used for splitting, caller should free it.
5762 * "split_len" is the length of what "split_buf" contains.
5763 * Returns the length of the replacement, which has been added to "buf".
5764 * Returns -1 if there was no match, and only the "<" has been copied.
5765 */
5766 static size_t
5767 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5768 char_u *code;
5769 size_t len;
5770 char_u *buf;
5771 ucmd_T *cmd; /* the user command we're expanding */
5772 exarg_T *eap; /* ex arguments */
5773 char_u **split_buf;
5774 size_t *split_len;
5775 {
5776 size_t result = 0;
5777 char_u *p = code + 1;
5778 size_t l = len - 2;
5779 int quote = 0;
5780 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5781 ct_LT, ct_NONE } type = ct_NONE;
5782
5783 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5784 {
5785 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5786 p += 2;
5787 l -= 2;
5788 }
5789
5790 ++l;
5791 if (l <= 1)
5792 type = ct_NONE;
5793 else if (STRNICMP(p, "args>", l) == 0)
5794 type = ct_ARGS;
5795 else if (STRNICMP(p, "bang>", l) == 0)
5796 type = ct_BANG;
5797 else if (STRNICMP(p, "count>", l) == 0)
5798 type = ct_COUNT;
5799 else if (STRNICMP(p, "line1>", l) == 0)
5800 type = ct_LINE1;
5801 else if (STRNICMP(p, "line2>", l) == 0)
5802 type = ct_LINE2;
5803 else if (STRNICMP(p, "lt>", l) == 0)
5804 type = ct_LT;
5805 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5806 type = ct_REGISTER;
5807
5808 switch (type)
5809 {
5810 case ct_ARGS:
5811 /* Simple case first */
5812 if (*eap->arg == NUL)
5813 {
5814 if (quote == 1)
5815 {
5816 result = 2;
5817 if (buf != NULL)
5818 STRCPY(buf, "''");
5819 }
5820 else
5821 result = 0;
5822 break;
5823 }
5824
5825 /* When specified there is a single argument don't split it.
5826 * Works for ":Cmd %" when % is "a b c". */
5827 if ((eap->argt & NOSPC) && quote == 2)
5828 quote = 1;
5829
5830 switch (quote)
5831 {
5832 case 0: /* No quoting, no splitting */
5833 result = STRLEN(eap->arg);
5834 if (buf != NULL)
5835 STRCPY(buf, eap->arg);
5836 break;
5837 case 1: /* Quote, but don't split */
5838 result = STRLEN(eap->arg) + 2;
5839 for (p = eap->arg; *p; ++p)
5840 {
5841 if (*p == '\\' || *p == '"')
5842 ++result;
5843 }
5844
5845 if (buf != NULL)
5846 {
5847 *buf++ = '"';
5848 for (p = eap->arg; *p; ++p)
5849 {
5850 if (*p == '\\' || *p == '"')
5851 *buf++ = '\\';
5852 *buf++ = *p;
5853 }
5854 *buf = '"';
5855 }
5856
5857 break;
5858 case 2: /* Quote and split (<f-args>) */
5859 /* This is hard, so only do it once, and cache the result */
5860 if (*split_buf == NULL)
5861 *split_buf = uc_split_args(eap->arg, split_len);
5862
5863 result = *split_len;
5864 if (buf != NULL && result != 0)
5865 STRCPY(buf, *split_buf);
5866
5867 break;
5868 }
5869 break;
5870
5871 case ct_BANG:
5872 result = eap->forceit ? 1 : 0;
5873 if (quote)
5874 result += 2;
5875 if (buf != NULL)
5876 {
5877 if (quote)
5878 *buf++ = '"';
5879 if (eap->forceit)
5880 *buf++ = '!';
5881 if (quote)
5882 *buf = '"';
5883 }
5884 break;
5885
5886 case ct_LINE1:
5887 case ct_LINE2:
5888 case ct_COUNT:
5889 {
5890 char num_buf[20];
5891 long num = (type == ct_LINE1) ? eap->line1 :
5892 (type == ct_LINE2) ? eap->line2 :
5893 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5894 size_t num_len;
5895
5896 sprintf(num_buf, "%ld", num);
5897 num_len = STRLEN(num_buf);
5898 result = num_len;
5899
5900 if (quote)
5901 result += 2;
5902
5903 if (buf != NULL)
5904 {
5905 if (quote)
5906 *buf++ = '"';
5907 STRCPY(buf, num_buf);
5908 buf += num_len;
5909 if (quote)
5910 *buf = '"';
5911 }
5912
5913 break;
5914 }
5915
5916 case ct_REGISTER:
5917 result = eap->regname ? 1 : 0;
5918 if (quote)
5919 result += 2;
5920 if (buf != NULL)
5921 {
5922 if (quote)
5923 *buf++ = '\'';
5924 if (eap->regname)
5925 *buf++ = eap->regname;
5926 if (quote)
5927 *buf = '\'';
5928 }
5929 break;
5930
5931 case ct_LT:
5932 result = 1;
5933 if (buf != NULL)
5934 *buf = '<';
5935 break;
5936
5937 default:
5938 /* Not recognized: just copy the '<' and return -1. */
5939 result = (size_t)-1;
5940 if (buf != NULL)
5941 *buf = '<';
5942 break;
5943 }
5944
5945 return result;
5946 }
5947
5948 static void
5949 do_ucmd(eap)
5950 exarg_T *eap;
5951 {
5952 char_u *buf;
5953 char_u *p;
5954 char_u *q;
5955
5956 char_u *start;
5957 char_u *end = NULL;
5958 char_u *ksp;
5959 size_t len, totlen;
5960
5961 size_t split_len = 0;
5962 char_u *split_buf = NULL;
5963 ucmd_T *cmd;
5964 #ifdef FEAT_EVAL
5965 scid_T save_current_SID = current_SID;
5966 #endif
5967
5968 if (eap->cmdidx == CMD_USER)
5969 cmd = USER_CMD(eap->useridx);
5970 else
5971 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5972
5973 /*
5974 * Replace <> in the command by the arguments.
5975 * First round: "buf" is NULL, compute length, allocate "buf".
5976 * Second round: copy result into "buf".
5977 */
5978 buf = NULL;
5979 for (;;)
5980 {
5981 p = cmd->uc_rep; /* source */
5982 q = buf; /* destination */
5983 totlen = 0;
5984
5985 for (;;)
5986 {
5987 start = vim_strchr(p, '<');
5988 if (start != NULL)
5989 end = vim_strchr(start + 1, '>');
5990 if (buf != NULL)
5991 {
5992 ksp = vim_strchr(p, K_SPECIAL);
5993 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5994 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5995 # ifdef FEAT_GUI
5996 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5997 # endif
5998 ))
5999 {
6000 /* K_SPECIAL han been put in the buffer as K_SPECIAL
6001 * KS_SPECIAL KE_FILLER, like for mappings, but
6002 * do_cmdline() doesn't handle that, so convert it back.
6003 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
6004 len = ksp - p;
6005 if (len > 0)
6006 {
6007 mch_memmove(q, p, len);
6008 q += len;
6009 }
6010 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6011 p = ksp + 3;
6012 continue;
6013 }
6014 }
6015
6016 /* break if there no <item> is found */
6017 if (start == NULL || end == NULL)
6018 break;
6019
6020 /* Include the '>' */
6021 ++end;
6022
6023 /* Take everything up to the '<' */
6024 len = start - p;
6025 if (buf == NULL)
6026 totlen += len;
6027 else
6028 {
6029 mch_memmove(q, p, len);
6030 q += len;
6031 }
6032
6033 len = uc_check_code(start, end - start, q, cmd, eap,
6034 &split_buf, &split_len);
6035 if (len == (size_t)-1)
6036 {
6037 /* no match, continue after '<' */
6038 p = start + 1;
6039 len = 1;
6040 }
6041 else
6042 p = end;
6043 if (buf == NULL)
6044 totlen += len;
6045 else
6046 q += len;
6047 }
6048 if (buf != NULL) /* second time here, finished */
6049 {
6050 STRCPY(q, p);
6051 break;
6052 }
6053
6054 totlen += STRLEN(p); /* Add on the trailing characters */
6055 buf = alloc((unsigned)(totlen + 1));
6056 if (buf == NULL)
6057 {
6058 vim_free(split_buf);
6059 return;
6060 }
6061 }
6062
6063 #ifdef FEAT_EVAL
6064 current_SID = cmd->uc_scriptID;
6065 #endif
6066 (void)do_cmdline(buf, eap->getline, eap->cookie,
6067 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6068 #ifdef FEAT_EVAL
6069 current_SID = save_current_SID;
6070 #endif
6071 vim_free(buf);
6072 vim_free(split_buf);
6073 }
6074
6075 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6076 static char_u *
6077 get_user_command_name(idx)
6078 int idx;
6079 {
6080 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6081 }
6082
6083 /*
6084 * Function given to ExpandGeneric() to obtain the list of user command names.
6085 */
6086 char_u *
6087 get_user_commands(xp, idx)
6088 expand_T *xp UNUSED;
6089 int idx;
6090 {
6091 if (idx < curbuf->b_ucmds.ga_len)
6092 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6093 idx -= curbuf->b_ucmds.ga_len;
6094 if (idx < ucmds.ga_len)
6095 return USER_CMD(idx)->uc_name;
6096 return NULL;
6097 }
6098
6099 /*
6100 * Function given to ExpandGeneric() to obtain the list of user command
6101 * attributes.
6102 */
6103 char_u *
6104 get_user_cmd_flags(xp, idx)
6105 expand_T *xp UNUSED;
6106 int idx;
6107 {
6108 static char *user_cmd_flags[] =
6109 {"bang", "bar", "buffer", "complete", "count",
6110 "nargs", "range", "register"};
6111
6112 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6113 return NULL;
6114 return (char_u *)user_cmd_flags[idx];
6115 }
6116
6117 /*
6118 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6119 */
6120 char_u *
6121 get_user_cmd_nargs(xp, idx)
6122 expand_T *xp UNUSED;
6123 int idx;
6124 {
6125 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6126
6127 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6128 return NULL;
6129 return (char_u *)user_cmd_nargs[idx];
6130 }
6131
6132 /*
6133 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6134 */
6135 char_u *
6136 get_user_cmd_complete(xp, idx)
6137 expand_T *xp UNUSED;
6138 int idx;
6139 {
6140 return (char_u *)command_complete[idx].name;
6141 }
6142 # endif /* FEAT_CMDL_COMPL */
6143
6144 #endif /* FEAT_USR_CMDS */
6145
6146 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6147 /*
6148 * Parse a completion argument "value[vallen]".
6149 * The detected completion goes in "*complp", argument type in "*argt".
6150 * When there is an argument, for function and user defined completion, it's
6151 * copied to allocated memory and stored in "*compl_arg".
6152 * Returns FAIL if something is wrong.
6153 */
6154 int
6155 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6156 char_u *value;
6157 int vallen;
6158 int *complp;
6159 long *argt;
6160 char_u **compl_arg;
6161 {
6162 char_u *arg = NULL;
6163 size_t arglen = 0;
6164 int i;
6165 int valend = vallen;
6166
6167 /* Look for any argument part - which is the part after any ',' */
6168 for (i = 0; i < vallen; ++i)
6169 {
6170 if (value[i] == ',')
6171 {
6172 arg = &value[i + 1];
6173 arglen = vallen - i - 1;
6174 valend = i;
6175 break;
6176 }
6177 }
6178
6179 for (i = 0; command_complete[i].expand != 0; ++i)
6180 {
6181 if ((int)STRLEN(command_complete[i].name) == valend
6182 && STRNCMP(value, command_complete[i].name, valend) == 0)
6183 {
6184 *complp = command_complete[i].expand;
6185 if (command_complete[i].expand == EXPAND_BUFFERS)
6186 *argt |= BUFNAME;
6187 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6188 || command_complete[i].expand == EXPAND_FILES)
6189 *argt |= XFILE;
6190 break;
6191 }
6192 }
6193
6194 if (command_complete[i].expand == 0)
6195 {
6196 EMSG2(_("E180: Invalid complete value: %s"), value);
6197 return FAIL;
6198 }
6199
6200 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6201 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6202 && arg != NULL)
6203 # else
6204 if (arg != NULL)
6205 # endif
6206 {
6207 EMSG(_("E468: Completion argument only allowed for custom completion"));
6208 return FAIL;
6209 }
6210
6211 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6212 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6213 && arg == NULL)
6214 {
6215 EMSG(_("E467: Custom completion requires a function argument"));
6216 return FAIL;
6217 }
6218
6219 if (arg != NULL)
6220 *compl_arg = vim_strnsave(arg, (int)arglen);
6221 # endif
6222 return OK;
6223 }
6224 #endif
6225
6226 static void
6227 ex_colorscheme(eap)
6228 exarg_T *eap;
6229 {
6230 if (*eap->arg == NUL)
6231 {
6232 #ifdef FEAT_EVAL
6233 char_u *expr = vim_strsave((char_u *)"g:colors_name");
6234 char_u *p = NULL;
6235
6236 if (expr != NULL)
6237 {
6238 ++emsg_off;
6239 p = eval_to_string(expr, NULL, FALSE);
6240 --emsg_off;
6241 vim_free(expr);
6242 }
6243 if (p != NULL)
6244 {
6245 MSG(p);
6246 vim_free(p);
6247 }
6248 else
6249 MSG("default");
6250 #else
6251 MSG(_("unknown"));
6252 #endif
6253 }
6254 else if (load_colors(eap->arg) == FAIL)
6255 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6256 }
6257
6258 static void
6259 ex_highlight(eap)
6260 exarg_T *eap;
6261 {
6262 if (*eap->arg == NUL && eap->cmd[2] == '!')
6263 MSG(_("Greetings, Vim user!"));
6264 do_highlight(eap->arg, eap->forceit, FALSE);
6265 }
6266
6267
6268 /*
6269 * Call this function if we thought we were going to exit, but we won't
6270 * (because of an error). May need to restore the terminal mode.
6271 */
6272 void
6273 not_exiting()
6274 {
6275 exiting = FALSE;
6276 settmode(TMODE_RAW);
6277 }
6278
6279 /*
6280 * ":quit": quit current window, quit Vim if closed the last window.
6281 */
6282 static void
6283 ex_quit(eap)
6284 exarg_T *eap;
6285 {
6286 #ifdef FEAT_CMDWIN
6287 if (cmdwin_type != 0)
6288 {
6289 cmdwin_result = Ctrl_C;
6290 return;
6291 }
6292 #endif
6293 /* Don't quit while editing the command line. */
6294 if (text_locked())
6295 {
6296 text_locked_msg();
6297 return;
6298 }
6299 #ifdef FEAT_AUTOCMD
6300 if (curbuf_locked())
6301 return;
6302 #endif
6303
6304 #ifdef FEAT_NETBEANS_INTG
6305 netbeansForcedQuit = eap->forceit;
6306 #endif
6307
6308 /*
6309 * If there are more files or windows we won't exit.
6310 */
6311 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6312 exiting = TRUE;
6313 if ((!P_HID(curbuf)
6314 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6315 || check_more(TRUE, eap->forceit) == FAIL
6316 || (only_one_window() && check_changed_any(eap->forceit)))
6317 {
6318 not_exiting();
6319 }
6320 else
6321 {
6322 #ifdef FEAT_WINDOWS
6323 if (only_one_window()) /* quit last window */
6324 #endif
6325 getout(0);
6326 #ifdef FEAT_WINDOWS
6327 # ifdef FEAT_GUI
6328 need_mouse_correct = TRUE;
6329 # endif
6330 /* close window; may free buffer */
6331 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6332 #endif
6333 }
6334 }
6335
6336 /*
6337 * ":cquit".
6338 */
6339 static void
6340 ex_cquit(eap)
6341 exarg_T *eap UNUSED;
6342 {
6343 getout(1); /* this does not always pass on the exit code to the Manx
6344 compiler. why? */
6345 }
6346
6347 /*
6348 * ":qall": try to quit all windows
6349 */
6350 static void
6351 ex_quit_all(eap)
6352 exarg_T *eap;
6353 {
6354 # ifdef FEAT_CMDWIN
6355 if (cmdwin_type != 0)
6356 {
6357 if (eap->forceit)
6358 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6359 else
6360 cmdwin_result = K_XF2;
6361 return;
6362 }
6363 # endif
6364
6365 /* Don't quit while editing the command line. */
6366 if (text_locked())
6367 {
6368 text_locked_msg();
6369 return;
6370 }
6371 #ifdef FEAT_AUTOCMD
6372 if (curbuf_locked())
6373 return;
6374 #endif
6375
6376 exiting = TRUE;
6377 if (eap->forceit || !check_changed_any(FALSE))
6378 getout(0);
6379 not_exiting();
6380 }
6381
6382 #if defined(FEAT_WINDOWS) || defined(PROTO)
6383 /*
6384 * ":close": close current window, unless it is the last one
6385 */
6386 static void
6387 ex_close(eap)
6388 exarg_T *eap;
6389 {
6390 # ifdef FEAT_CMDWIN
6391 if (cmdwin_type != 0)
6392 cmdwin_result = K_IGNORE;
6393 else
6394 # endif
6395 if (!text_locked()
6396 #ifdef FEAT_AUTOCMD
6397 && !curbuf_locked()
6398 #endif
6399 )
6400 ex_win_close(eap->forceit, curwin, NULL);
6401 }
6402
6403 # ifdef FEAT_QUICKFIX
6404 /*
6405 * ":pclose": Close any preview window.
6406 */
6407 static void
6408 ex_pclose(eap)
6409 exarg_T *eap;
6410 {
6411 win_T *win;
6412
6413 for (win = firstwin; win != NULL; win = win->w_next)
6414 if (win->w_p_pvw)
6415 {
6416 ex_win_close(eap->forceit, win, NULL);
6417 break;
6418 }
6419 }
6420 # endif
6421
6422 /*
6423 * Close window "win" and take care of handling closing the last window for a
6424 * modified buffer.
6425 */
6426 static void
6427 ex_win_close(forceit, win, tp)
6428 int forceit;
6429 win_T *win;
6430 tabpage_T *tp; /* NULL or the tab page "win" is in */
6431 {
6432 int need_hide;
6433 buf_T *buf = win->w_buffer;
6434
6435 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6436 if (need_hide && !P_HID(buf) && !forceit)
6437 {
6438 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6439 if ((p_confirm || cmdmod.confirm) && p_write)
6440 {
6441 dialog_changed(buf, FALSE);
6442 if (buf_valid(buf) && bufIsChanged(buf))
6443 return;
6444 need_hide = FALSE;
6445 }
6446 else
6447 # endif
6448 {
6449 EMSG(_(e_nowrtmsg));
6450 return;
6451 }
6452 }
6453
6454 # ifdef FEAT_GUI
6455 need_mouse_correct = TRUE;
6456 # endif
6457
6458 /* free buffer when not hiding it or when it's a scratch buffer */
6459 if (tp == NULL)
6460 win_close(win, !need_hide && !P_HID(buf));
6461 else
6462 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6463 }
6464
6465 /*
6466 * ":tabclose": close current tab page, unless it is the last one.
6467 * ":tabclose N": close tab page N.
6468 */
6469 static void
6470 ex_tabclose(eap)
6471 exarg_T *eap;
6472 {
6473 tabpage_T *tp;
6474
6475 # ifdef FEAT_CMDWIN
6476 if (cmdwin_type != 0)
6477 cmdwin_result = K_IGNORE;
6478 else
6479 # endif
6480 if (first_tabpage->tp_next == NULL)
6481 EMSG(_("E784: Cannot close last tab page"));
6482 else
6483 {
6484 if (eap->addr_count > 0)
6485 {
6486 tp = find_tabpage((int)eap->line2);
6487 if (tp == NULL)
6488 {
6489 beep_flush();
6490 return;
6491 }
6492 if (tp != curtab)
6493 {
6494 tabpage_close_other(tp, eap->forceit);
6495 return;
6496 }
6497 }
6498 if (!text_locked()
6499 #ifdef FEAT_AUTOCMD
6500 && !curbuf_locked()
6501 #endif
6502 )
6503 tabpage_close(eap->forceit);
6504 }
6505 }
6506
6507 /*
6508 * ":tabonly": close all tab pages except the current one
6509 */
6510 static void
6511 ex_tabonly(eap)
6512 exarg_T *eap;
6513 {
6514 tabpage_T *tp;
6515 int done;
6516
6517 # ifdef FEAT_CMDWIN
6518 if (cmdwin_type != 0)
6519 cmdwin_result = K_IGNORE;
6520 else
6521 # endif
6522 if (first_tabpage->tp_next == NULL)
6523 MSG(_("Already only one tab page"));
6524 else
6525 {
6526 /* Repeat this up to a 1000 times, because autocommands may mess
6527 * up the lists. */
6528 for (done = 0; done < 1000; ++done)
6529 {
6530 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6531 if (tp->tp_topframe != topframe)
6532 {
6533 tabpage_close_other(tp, eap->forceit);
6534 /* if we failed to close it quit */
6535 if (valid_tabpage(tp))
6536 done = 1000;
6537 /* start over, "tp" is now invalid */
6538 break;
6539 }
6540 if (first_tabpage->tp_next == NULL)
6541 break;
6542 }
6543 }
6544 }
6545
6546 /*
6547 * Close the current tab page.
6548 */
6549 void
6550 tabpage_close(forceit)
6551 int forceit;
6552 {
6553 /* First close all the windows but the current one. If that worked then
6554 * close the last window in this tab, that will close it. */
6555 if (lastwin != firstwin)
6556 close_others(TRUE, forceit);
6557 if (lastwin == firstwin)
6558 ex_win_close(forceit, curwin, NULL);
6559 # ifdef FEAT_GUI
6560 need_mouse_correct = TRUE;
6561 # endif
6562 }
6563
6564 /*
6565 * Close tab page "tp", which is not the current tab page.
6566 * Note that autocommands may make "tp" invalid.
6567 * Also takes care of the tab pages line disappearing when closing the
6568 * last-but-one tab page.
6569 */
6570 void
6571 tabpage_close_other(tp, forceit)
6572 tabpage_T *tp;
6573 int forceit;
6574 {
6575 int done = 0;
6576 win_T *wp;
6577 int h = tabline_height();
6578
6579 /* Limit to 1000 windows, autocommands may add a window while we close
6580 * one. OK, so I'm paranoid... */
6581 while (++done < 1000)
6582 {
6583 wp = tp->tp_firstwin;
6584 ex_win_close(forceit, wp, tp);
6585
6586 /* Autocommands may delete the tab page under our fingers and we may
6587 * fail to close a window with a modified buffer. */
6588 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6589 break;
6590 }
6591
6592 redraw_tabline = TRUE;
6593 if (h != tabline_height())
6594 shell_new_rows();
6595 }
6596
6597 /*
6598 * ":only".
6599 */
6600 static void
6601 ex_only(eap)
6602 exarg_T *eap;
6603 {
6604 # ifdef FEAT_GUI
6605 need_mouse_correct = TRUE;
6606 # endif
6607 close_others(TRUE, eap->forceit);
6608 }
6609
6610 /*
6611 * ":all" and ":sall".
6612 * Also used for ":tab drop file ..." after setting the argument list.
6613 */
6614 void
6615 ex_all(eap)
6616 exarg_T *eap;
6617 {
6618 if (eap->addr_count == 0)
6619 eap->line2 = 9999;
6620 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6621 }
6622 #endif /* FEAT_WINDOWS */
6623
6624 static void
6625 ex_hide(eap)
6626 exarg_T *eap;
6627 {
6628 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6629 eap->errmsg = e_invarg;
6630 else
6631 {
6632 /* ":hide" or ":hide | cmd": hide current window */
6633 eap->nextcmd = check_nextcmd(eap->arg);
6634 #ifdef FEAT_WINDOWS
6635 if (!eap->skip)
6636 {
6637 # ifdef FEAT_GUI
6638 need_mouse_correct = TRUE;
6639 # endif
6640 win_close(curwin, FALSE); /* don't free buffer */
6641 }
6642 #endif
6643 }
6644 }
6645
6646 /*
6647 * ":stop" and ":suspend": Suspend Vim.
6648 */
6649 static void
6650 ex_stop(eap)
6651 exarg_T *eap;
6652 {
6653 /*
6654 * Disallow suspending for "rvim".
6655 */
6656 if (!check_restricted()
6657 #ifdef WIN3264
6658 /*
6659 * Check if external commands are allowed now.
6660 */
6661 && can_end_termcap_mode(TRUE)
6662 #endif
6663 )
6664 {
6665 if (!eap->forceit)
6666 autowrite_all();
6667 windgoto((int)Rows - 1, 0);
6668 out_char('\n');
6669 out_flush();
6670 stoptermcap();
6671 out_flush(); /* needed for SUN to restore xterm buffer */
6672 #ifdef FEAT_TITLE
6673 mch_restore_title(3); /* restore window titles */
6674 #endif
6675 ui_suspend(); /* call machine specific function */
6676 #ifdef FEAT_TITLE
6677 maketitle();
6678 resettitle(); /* force updating the title */
6679 #endif
6680 starttermcap();
6681 scroll_start(); /* scroll screen before redrawing */
6682 redraw_later_clear();
6683 shell_resized(); /* may have resized window */
6684 }
6685 }
6686
6687 /*
6688 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6689 */
6690 static void
6691 ex_exit(eap)
6692 exarg_T *eap;
6693 {
6694 #ifdef FEAT_CMDWIN
6695 if (cmdwin_type != 0)
6696 {
6697 cmdwin_result = Ctrl_C;
6698 return;
6699 }
6700 #endif
6701 /* Don't quit while editing the command line. */
6702 if (text_locked())
6703 {
6704 text_locked_msg();
6705 return;
6706 }
6707 #ifdef FEAT_AUTOCMD
6708 if (curbuf_locked())
6709 return;
6710 #endif
6711
6712 /*
6713 * if more files or windows we won't exit
6714 */
6715 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6716 exiting = TRUE;
6717 if ( ((eap->cmdidx == CMD_wq
6718 || curbufIsChanged())
6719 && do_write(eap) == FAIL)
6720 || check_more(TRUE, eap->forceit) == FAIL
6721 || (only_one_window() && check_changed_any(eap->forceit)))
6722 {
6723 not_exiting();
6724 }
6725 else
6726 {
6727 #ifdef FEAT_WINDOWS
6728 if (only_one_window()) /* quit last window, exit Vim */
6729 #endif
6730 getout(0);
6731 #ifdef FEAT_WINDOWS
6732 # ifdef FEAT_GUI
6733 need_mouse_correct = TRUE;
6734 # endif
6735 /* quit current window, may free buffer */
6736 win_close(curwin, !P_HID(curwin->w_buffer));
6737 #endif
6738 }
6739 }
6740
6741 /*
6742 * ":print", ":list", ":number".
6743 */
6744 static void
6745 ex_print(eap)
6746 exarg_T *eap;
6747 {
6748 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6749 EMSG(_(e_emptybuf));
6750 else
6751 {
6752 for ( ;!got_int; ui_breakcheck())
6753 {
6754 print_line(eap->line1,
6755 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6756 || (eap->flags & EXFLAG_NR)),
6757 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6758 if (++eap->line1 > eap->line2)
6759 break;
6760 out_flush(); /* show one line at a time */
6761 }
6762 setpcmark();
6763 /* put cursor at last line */
6764 curwin->w_cursor.lnum = eap->line2;
6765 beginline(BL_SOL | BL_FIX);
6766 }
6767
6768 ex_no_reprint = TRUE;
6769 }
6770
6771 #ifdef FEAT_BYTEOFF
6772 static void
6773 ex_goto(eap)
6774 exarg_T *eap;
6775 {
6776 goto_byte(eap->line2);
6777 }
6778 #endif
6779
6780 /*
6781 * ":shell".
6782 */
6783 static void
6784 ex_shell(eap)
6785 exarg_T *eap UNUSED;
6786 {
6787 do_shell(NULL, 0);
6788 }
6789
6790 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6791 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6792 || defined(FEAT_GUI_MSWIN) \
6793 || defined(FEAT_GUI_MAC) \
6794 || defined(PROTO)
6795
6796 /*
6797 * Handle a file drop. The code is here because a drop is *nearly* like an
6798 * :args command, but not quite (we have a list of exact filenames, so we
6799 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6800 * code is very similar to :args and hence needs access to a lot of the static
6801 * functions in this file.
6802 *
6803 * The list should be allocated using alloc(), as should each item in the
6804 * list. This function takes over responsibility for freeing the list.
6805 *
6806 * XXX The list is made into the argument list. This is freed using
6807 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6808 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6809 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6810 * file functionality is (currently) not in EMX this is not presently a
6811 * problem.
6812 */
6813 void
6814 handle_drop(filec, filev, split)
6815 int filec; /* the number of files dropped */
6816 char_u **filev; /* the list of files dropped */
6817 int split; /* force splitting the window */
6818 {
6819 exarg_T ea;
6820 int save_msg_scroll = msg_scroll;
6821
6822 /* Postpone this while editing the command line. */
6823 if (text_locked())
6824 return;
6825 #ifdef FEAT_AUTOCMD
6826 if (curbuf_locked())
6827 return;
6828 #endif
6829 /* When the screen is being updated we should not change buffers and
6830 * windows structures, it may cause freed memory to be used. */
6831 if (updating_screen)
6832 return;
6833
6834 /* Check whether the current buffer is changed. If so, we will need
6835 * to split the current window or data could be lost.
6836 * We don't need to check if the 'hidden' option is set, as in this
6837 * case the buffer won't be lost.
6838 */
6839 if (!P_HID(curbuf) && !split)
6840 {
6841 ++emsg_off;
6842 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6843 --emsg_off;
6844 }
6845 if (split)
6846 {
6847 # ifdef FEAT_WINDOWS
6848 if (win_split(0, 0) == FAIL)
6849 return;
6850 # ifdef FEAT_SCROLLBIND
6851 curwin->w_p_scb = FALSE;
6852 # endif
6853
6854 /* When splitting the window, create a new alist. Otherwise the
6855 * existing one is overwritten. */
6856 alist_unlink(curwin->w_alist);
6857 alist_new();
6858 # else
6859 return; /* can't split, always fail */
6860 # endif
6861 }
6862
6863 /*
6864 * Set up the new argument list.
6865 */
6866 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6867
6868 /*
6869 * Move to the first file.
6870 */
6871 /* Fake up a minimal "next" command for do_argfile() */
6872 vim_memset(&ea, 0, sizeof(ea));
6873 ea.cmd = (char_u *)"next";
6874 do_argfile(&ea, 0);
6875
6876 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6877 * mode that is not needed here. */
6878 need_start_insertmode = FALSE;
6879
6880 /* Restore msg_scroll, otherwise a following command may cause scrolling
6881 * unexpectedly. The screen will be redrawn by the caller, thus
6882 * msg_scroll being set by displaying a message is irrelevant. */
6883 msg_scroll = save_msg_scroll;
6884 }
6885 #endif
6886
6887 /*
6888 * Clear an argument list: free all file names and reset it to zero entries.
6889 */
6890 void
6891 alist_clear(al)
6892 alist_T *al;
6893 {
6894 while (--al->al_ga.ga_len >= 0)
6895 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6896 ga_clear(&al->al_ga);
6897 }
6898
6899 /*
6900 * Init an argument list.
6901 */
6902 void
6903 alist_init(al)
6904 alist_T *al;
6905 {
6906 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6907 }
6908
6909 #if defined(FEAT_WINDOWS) || defined(PROTO)
6910
6911 /*
6912 * Remove a reference from an argument list.
6913 * Ignored when the argument list is the global one.
6914 * If the argument list is no longer used by any window, free it.
6915 */
6916 void
6917 alist_unlink(al)
6918 alist_T *al;
6919 {
6920 if (al != &global_alist && --al->al_refcount <= 0)
6921 {
6922 alist_clear(al);
6923 vim_free(al);
6924 }
6925 }
6926
6927 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6928 /*
6929 * Create a new argument list and use it for the current window.
6930 */
6931 void
6932 alist_new()
6933 {
6934 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6935 if (curwin->w_alist == NULL)
6936 {
6937 curwin->w_alist = &global_alist;
6938 ++global_alist.al_refcount;
6939 }
6940 else
6941 {
6942 curwin->w_alist->al_refcount = 1;
6943 alist_init(curwin->w_alist);
6944 }
6945 }
6946 # endif
6947 #endif
6948
6949 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6950 /*
6951 * Expand the file names in the global argument list.
6952 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6953 * numbers to be re-used.
6954 */
6955 void
6956 alist_expand(fnum_list, fnum_len)
6957 int *fnum_list;
6958 int fnum_len;
6959 {
6960 char_u **old_arg_files;
6961 int old_arg_count;
6962 char_u **new_arg_files;
6963 int new_arg_file_count;
6964 char_u *save_p_su = p_su;
6965 int i;
6966
6967 /* Don't use 'suffixes' here. This should work like the shell did the
6968 * expansion. Also, the vimrc file isn't read yet, thus the user
6969 * can't set the options. */
6970 p_su = empty_option;
6971 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6972 if (old_arg_files != NULL)
6973 {
6974 for (i = 0; i < GARGCOUNT; ++i)
6975 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6976 old_arg_count = GARGCOUNT;
6977 if (expand_wildcards(old_arg_count, old_arg_files,
6978 &new_arg_file_count, &new_arg_files,
6979 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6980 && new_arg_file_count > 0)
6981 {
6982 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6983 TRUE, fnum_list, fnum_len);
6984 FreeWild(old_arg_count, old_arg_files);
6985 }
6986 }
6987 p_su = save_p_su;
6988 }
6989 #endif
6990
6991 /*
6992 * Set the argument list for the current window.
6993 * Takes over the allocated files[] and the allocated fnames in it.
6994 */
6995 void
6996 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6997 alist_T *al;
6998 int count;
6999 char_u **files;
7000 int use_curbuf;
7001 int *fnum_list;
7002 int fnum_len;
7003 {
7004 int i;
7005
7006 alist_clear(al);
7007 if (ga_grow(&al->al_ga, count) == OK)
7008 {
7009 for (i = 0; i < count; ++i)
7010 {
7011 if (got_int)
7012 {
7013 /* When adding many buffers this can take a long time. Allow
7014 * interrupting here. */
7015 while (i < count)
7016 vim_free(files[i++]);
7017 break;
7018 }
7019
7020 /* May set buffer name of a buffer previously used for the
7021 * argument list, so that it's re-used by alist_add. */
7022 if (fnum_list != NULL && i < fnum_len)
7023 buf_set_name(fnum_list[i], files[i]);
7024
7025 alist_add(al, files[i], use_curbuf ? 2 : 1);
7026 ui_breakcheck();
7027 }
7028 vim_free(files);
7029 }
7030 else
7031 FreeWild(count, files);
7032 #ifdef FEAT_WINDOWS
7033 if (al == &global_alist)
7034 #endif
7035 arg_had_last = FALSE;
7036 }
7037
7038 /*
7039 * Add file "fname" to argument list "al".
7040 * "fname" must have been allocated and "al" must have been checked for room.
7041 */
7042 void
7043 alist_add(al, fname, set_fnum)
7044 alist_T *al;
7045 char_u *fname;
7046 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7047 {
7048 if (fname == NULL) /* don't add NULL file names */
7049 return;
7050 #ifdef BACKSLASH_IN_FILENAME
7051 slash_adjust(fname);
7052 #endif
7053 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7054 if (set_fnum > 0)
7055 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7056 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7057 ++al->al_ga.ga_len;
7058 }
7059
7060 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7061 /*
7062 * Adjust slashes in file names. Called after 'shellslash' was set.
7063 */
7064 void
7065 alist_slash_adjust()
7066 {
7067 int i;
7068 # ifdef FEAT_WINDOWS
7069 win_T *wp;
7070 tabpage_T *tp;
7071 # endif
7072
7073 for (i = 0; i < GARGCOUNT; ++i)
7074 if (GARGLIST[i].ae_fname != NULL)
7075 slash_adjust(GARGLIST[i].ae_fname);
7076 # ifdef FEAT_WINDOWS
7077 FOR_ALL_TAB_WINDOWS(tp, wp)
7078 if (wp->w_alist != &global_alist)
7079 for (i = 0; i < WARGCOUNT(wp); ++i)
7080 if (WARGLIST(wp)[i].ae_fname != NULL)
7081 slash_adjust(WARGLIST(wp)[i].ae_fname);
7082 # endif
7083 }
7084 #endif
7085
7086 /*
7087 * ":preserve".
7088 */
7089 static void
7090 ex_preserve(eap)
7091 exarg_T *eap UNUSED;
7092 {
7093 curbuf->b_flags |= BF_PRESERVED;
7094 ml_preserve(curbuf, TRUE);
7095 }
7096
7097 /*
7098 * ":recover".
7099 */
7100 static void
7101 ex_recover(eap)
7102 exarg_T *eap;
7103 {
7104 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7105 recoverymode = TRUE;
7106 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7107 && (*eap->arg == NUL
7108 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7109 ml_recover();
7110 recoverymode = FALSE;
7111 }
7112
7113 /*
7114 * Command modifier used in a wrong way.
7115 */
7116 static void
7117 ex_wrongmodifier(eap)
7118 exarg_T *eap;
7119 {
7120 eap->errmsg = e_invcmd;
7121 }
7122
7123 #ifdef FEAT_WINDOWS
7124 /*
7125 * :sview [+command] file split window with new file, read-only
7126 * :split [[+command] file] split window with current or new file
7127 * :vsplit [[+command] file] split window vertically with current or new file
7128 * :new [[+command] file] split window with no or new file
7129 * :vnew [[+command] file] split vertically window with no or new file
7130 * :sfind [+command] file split window with file in 'path'
7131 *
7132 * :tabedit open new Tab page with empty window
7133 * :tabedit [+command] file open new Tab page and edit "file"
7134 * :tabnew [[+command] file] just like :tabedit
7135 * :tabfind [+command] file open new Tab page and find "file"
7136 */
7137 void
7138 ex_splitview(eap)
7139 exarg_T *eap;
7140 {
7141 win_T *old_curwin = curwin;
7142 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7143 char_u *fname = NULL;
7144 # endif
7145 # ifdef FEAT_BROWSE
7146 int browse_flag = cmdmod.browse;
7147 # endif
7148
7149 # ifndef FEAT_VERTSPLIT
7150 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7151 {
7152 ex_ni(eap);
7153 return;
7154 }
7155 # endif
7156
7157 # ifdef FEAT_GUI
7158 need_mouse_correct = TRUE;
7159 # endif
7160
7161 # ifdef FEAT_QUICKFIX
7162 /* A ":split" in the quickfix window works like ":new". Don't want two
7163 * quickfix windows. But it's OK when doing ":tab split". */
7164 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7165 {
7166 if (eap->cmdidx == CMD_split)
7167 eap->cmdidx = CMD_new;
7168 # ifdef FEAT_VERTSPLIT
7169 if (eap->cmdidx == CMD_vsplit)
7170 eap->cmdidx = CMD_vnew;
7171 # endif
7172 }
7173 # endif
7174
7175 # ifdef FEAT_SEARCHPATH
7176 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7177 {
7178 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7179 FNAME_MESS, TRUE, curbuf->b_ffname);
7180 if (fname == NULL)
7181 goto theend;
7182 eap->arg = fname;
7183 }
7184 # ifdef FEAT_BROWSE
7185 else
7186 # endif
7187 # endif
7188 # ifdef FEAT_BROWSE
7189 if (cmdmod.browse
7190 # ifdef FEAT_VERTSPLIT
7191 && eap->cmdidx != CMD_vnew
7192 # endif
7193 && eap->cmdidx != CMD_new)
7194 {
7195 # ifdef FEAT_AUTOCMD
7196 if (
7197 # ifdef FEAT_GUI
7198 !gui.in_use &&
7199 # endif
7200 au_has_group((char_u *)"FileExplorer"))
7201 {
7202 /* No browsing supported but we do have the file explorer:
7203 * Edit the directory. */
7204 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7205 eap->arg = (char_u *)".";
7206 }
7207 else
7208 # endif
7209 {
7210 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7211 eap->arg, NULL, NULL, NULL, curbuf);
7212 if (fname == NULL)
7213 goto theend;
7214 eap->arg = fname;
7215 }
7216 }
7217 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7218 # endif
7219
7220 /*
7221 * Either open new tab page or split the window.
7222 */
7223 if (eap->cmdidx == CMD_tabedit
7224 || eap->cmdidx == CMD_tabfind
7225 || eap->cmdidx == CMD_tabnew)
7226 {
7227 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7228 : eap->addr_count == 0 ? 0
7229 : (int)eap->line2 + 1) != FAIL)
7230 {
7231 do_exedit(eap, old_curwin);
7232
7233 /* set the alternate buffer for the window we came from */
7234 if (curwin != old_curwin
7235 && win_valid(old_curwin)
7236 && old_curwin->w_buffer != curbuf
7237 && !cmdmod.keepalt)
7238 old_curwin->w_alt_fnum = curbuf->b_fnum;
7239 }
7240 }
7241 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7242 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7243 {
7244 # ifdef FEAT_SCROLLBIND
7245 /* Reset 'scrollbind' when editing another file, but keep it when
7246 * doing ":split" without arguments. */
7247 if (*eap->arg != NUL
7248 # ifdef FEAT_BROWSE
7249 || cmdmod.browse
7250 # endif
7251 )
7252 curwin->w_p_scb = FALSE;
7253 else
7254 do_check_scrollbind(FALSE);
7255 # endif
7256 do_exedit(eap, old_curwin);
7257 }
7258
7259 # ifdef FEAT_BROWSE
7260 cmdmod.browse = browse_flag;
7261 # endif
7262
7263 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7264 theend:
7265 vim_free(fname);
7266 # endif
7267 }
7268
7269 /*
7270 * Open a new tab page.
7271 */
7272 void
7273 tabpage_new()
7274 {
7275 exarg_T ea;
7276
7277 vim_memset(&ea, 0, sizeof(ea));
7278 ea.cmdidx = CMD_tabnew;
7279 ea.cmd = (char_u *)"tabn";
7280 ea.arg = (char_u *)"";
7281 ex_splitview(&ea);
7282 }
7283
7284 /*
7285 * :tabnext command
7286 */
7287 static void
7288 ex_tabnext(eap)
7289 exarg_T *eap;
7290 {
7291 switch (eap->cmdidx)
7292 {
7293 case CMD_tabfirst:
7294 case CMD_tabrewind:
7295 goto_tabpage(1);
7296 break;
7297 case CMD_tablast:
7298 goto_tabpage(9999);
7299 break;
7300 case CMD_tabprevious:
7301 case CMD_tabNext:
7302 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7303 break;
7304 default: /* CMD_tabnext */
7305 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7306 break;
7307 }
7308 }
7309
7310 /*
7311 * :tabmove command
7312 */
7313 static void
7314 ex_tabmove(eap)
7315 exarg_T *eap;
7316 {
7317 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7318 }
7319
7320 /*
7321 * :tabs command: List tabs and their contents.
7322 */
7323 static void
7324 ex_tabs(eap)
7325 exarg_T *eap UNUSED;
7326 {
7327 tabpage_T *tp;
7328 win_T *wp;
7329 int tabcount = 1;
7330
7331 msg_start();
7332 msg_scroll = TRUE;
7333 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7334 {
7335 msg_putchar('\n');
7336 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7337 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7338 out_flush(); /* output one line at a time */
7339 ui_breakcheck();
7340
7341 if (tp == curtab)
7342 wp = firstwin;
7343 else
7344 wp = tp->tp_firstwin;
7345 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7346 {
7347 msg_putchar('\n');
7348 msg_putchar(wp == curwin ? '>' : ' ');
7349 msg_putchar(' ');
7350 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7351 msg_putchar(' ');
7352 if (buf_spname(wp->w_buffer) != NULL)
7353 STRCPY(IObuff, buf_spname(wp->w_buffer));
7354 else
7355 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7356 IObuff, IOSIZE, TRUE);
7357 msg_outtrans(IObuff);
7358 out_flush(); /* output one line at a time */
7359 ui_breakcheck();
7360 }
7361 }
7362 }
7363
7364 #endif /* FEAT_WINDOWS */
7365
7366 /*
7367 * ":mode": Set screen mode.
7368 * If no argument given, just get the screen size and redraw.
7369 */
7370 static void
7371 ex_mode(eap)
7372 exarg_T *eap;
7373 {
7374 if (*eap->arg == NUL)
7375 shell_resized();
7376 else
7377 mch_screenmode(eap->arg);
7378 }
7379
7380 #ifdef FEAT_WINDOWS
7381 /*
7382 * ":resize".
7383 * set, increment or decrement current window height
7384 */
7385 static void
7386 ex_resize(eap)
7387 exarg_T *eap;
7388 {
7389 int n;
7390 win_T *wp = curwin;
7391
7392 if (eap->addr_count > 0)
7393 {
7394 n = eap->line2;
7395 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7396 ;
7397 }
7398
7399 #ifdef FEAT_GUI
7400 need_mouse_correct = TRUE;
7401 #endif
7402 n = atol((char *)eap->arg);
7403 #ifdef FEAT_VERTSPLIT
7404 if (cmdmod.split & WSP_VERT)
7405 {
7406 if (*eap->arg == '-' || *eap->arg == '+')
7407 n += W_WIDTH(curwin);
7408 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7409 n = 9999;
7410 win_setwidth_win((int)n, wp);
7411 }
7412 else
7413 #endif
7414 {
7415 if (*eap->arg == '-' || *eap->arg == '+')
7416 n += curwin->w_height;
7417 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7418 n = 9999;
7419 win_setheight_win((int)n, wp);
7420 }
7421 }
7422 #endif
7423
7424 /*
7425 * ":find [+command] <file>" command.
7426 */
7427 static void
7428 ex_find(eap)
7429 exarg_T *eap;
7430 {
7431 #ifdef FEAT_SEARCHPATH
7432 char_u *fname;
7433 int count;
7434
7435 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7436 TRUE, curbuf->b_ffname);
7437 if (eap->addr_count > 0)
7438 {
7439 /* Repeat finding the file "count" times. This matters when it
7440 * appears several times in the path. */
7441 count = eap->line2;
7442 while (fname != NULL && --count > 0)
7443 {
7444 vim_free(fname);
7445 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7446 FALSE, curbuf->b_ffname);
7447 }
7448 }
7449
7450 if (fname != NULL)
7451 {
7452 eap->arg = fname;
7453 #endif
7454 do_exedit(eap, NULL);
7455 #ifdef FEAT_SEARCHPATH
7456 vim_free(fname);
7457 }
7458 #endif
7459 }
7460
7461 /*
7462 * ":open" simulation: for now just work like ":visual".
7463 */
7464 static void
7465 ex_open(eap)
7466 exarg_T *eap;
7467 {
7468 regmatch_T regmatch;
7469 char_u *p;
7470
7471 curwin->w_cursor.lnum = eap->line2;
7472 beginline(BL_SOL | BL_FIX);
7473 if (*eap->arg == '/')
7474 {
7475 /* ":open /pattern/": put cursor in column found with pattern */
7476 ++eap->arg;
7477 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7478 *p = NUL;
7479 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7480 if (regmatch.regprog != NULL)
7481 {
7482 regmatch.rm_ic = p_ic;
7483 p = ml_get_curline();
7484 if (vim_regexec(&regmatch, p, (colnr_T)0))
7485 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7486 else
7487 EMSG(_(e_nomatch));
7488 vim_free(regmatch.regprog);
7489 }
7490 /* Move to the NUL, ignore any other arguments. */
7491 eap->arg += STRLEN(eap->arg);
7492 }
7493 check_cursor();
7494
7495 eap->cmdidx = CMD_visual;
7496 do_exedit(eap, NULL);
7497 }
7498
7499 /*
7500 * ":edit", ":badd", ":visual".
7501 */
7502 static void
7503 ex_edit(eap)
7504 exarg_T *eap;
7505 {
7506 do_exedit(eap, NULL);
7507 }
7508
7509 /*
7510 * ":edit <file>" command and alikes.
7511 */
7512 void
7513 do_exedit(eap, old_curwin)
7514 exarg_T *eap;
7515 win_T *old_curwin; /* curwin before doing a split or NULL */
7516 {
7517 int n;
7518 #ifdef FEAT_WINDOWS
7519 int need_hide;
7520 #endif
7521 int exmode_was = exmode_active;
7522
7523 /*
7524 * ":vi" command ends Ex mode.
7525 */
7526 if (exmode_active && (eap->cmdidx == CMD_visual
7527 || eap->cmdidx == CMD_view))
7528 {
7529 exmode_active = FALSE;
7530 if (*eap->arg == NUL)
7531 {
7532 /* Special case: ":global/pat/visual\NLvi-commands" */
7533 if (global_busy)
7534 {
7535 int rd = RedrawingDisabled;
7536 int nwr = no_wait_return;
7537 int ms = msg_scroll;
7538 #ifdef FEAT_GUI
7539 int he = hold_gui_events;
7540 #endif
7541
7542 if (eap->nextcmd != NULL)
7543 {
7544 stuffReadbuff(eap->nextcmd);
7545 eap->nextcmd = NULL;
7546 }
7547
7548 if (exmode_was != EXMODE_VIM)
7549 settmode(TMODE_RAW);
7550 RedrawingDisabled = 0;
7551 no_wait_return = 0;
7552 need_wait_return = FALSE;
7553 msg_scroll = 0;
7554 #ifdef FEAT_GUI
7555 hold_gui_events = 0;
7556 #endif
7557 must_redraw = CLEAR;
7558
7559 main_loop(FALSE, TRUE);
7560
7561 RedrawingDisabled = rd;
7562 no_wait_return = nwr;
7563 msg_scroll = ms;
7564 #ifdef FEAT_GUI
7565 hold_gui_events = he;
7566 #endif
7567 }
7568 return;
7569 }
7570 }
7571
7572 if ((eap->cmdidx == CMD_new
7573 || eap->cmdidx == CMD_tabnew
7574 || eap->cmdidx == CMD_tabedit
7575 #ifdef FEAT_VERTSPLIT
7576 || eap->cmdidx == CMD_vnew
7577 #endif
7578 ) && *eap->arg == NUL)
7579 {
7580 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7581 setpcmark();
7582 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7583 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7584 old_curwin == NULL ? curwin : NULL);
7585 }
7586 else if ((eap->cmdidx != CMD_split
7587 #ifdef FEAT_VERTSPLIT
7588 && eap->cmdidx != CMD_vsplit
7589 #endif
7590 )
7591 || *eap->arg != NUL
7592 #ifdef FEAT_BROWSE
7593 || cmdmod.browse
7594 #endif
7595 )
7596 {
7597 #ifdef FEAT_AUTOCMD
7598 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7599 * can bring us here, others are stopped earlier. */
7600 if (*eap->arg != NUL && curbuf_locked())
7601 return;
7602 #endif
7603 n = readonlymode;
7604 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7605 readonlymode = TRUE;
7606 else if (eap->cmdidx == CMD_enew)
7607 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7608 empty buffer */
7609 setpcmark();
7610 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7611 NULL, eap,
7612 /* ":edit" goes to first line if Vi compatible */
7613 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7614 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7615 ? ECMD_ONE : eap->do_ecmd_lnum,
7616 (P_HID(curbuf) ? ECMD_HIDE : 0)
7617 + (eap->forceit ? ECMD_FORCEIT : 0)
7618 #ifdef FEAT_LISTCMDS
7619 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7620 #endif
7621 , old_curwin == NULL ? curwin : NULL) == FAIL)
7622 {
7623 /* Editing the file failed. If the window was split, close it. */
7624 #ifdef FEAT_WINDOWS
7625 if (old_curwin != NULL)
7626 {
7627 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7628 if (!need_hide || P_HID(curbuf))
7629 {
7630 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7631 cleanup_T cs;
7632
7633 /* Reset the error/interrupt/exception state here so that
7634 * aborting() returns FALSE when closing a window. */
7635 enter_cleanup(&cs);
7636 # endif
7637 # ifdef FEAT_GUI
7638 need_mouse_correct = TRUE;
7639 # endif
7640 win_close(curwin, !need_hide && !P_HID(curbuf));
7641
7642 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7643 /* Restore the error/interrupt/exception state if not
7644 * discarded by a new aborting error, interrupt, or
7645 * uncaught exception. */
7646 leave_cleanup(&cs);
7647 # endif
7648 }
7649 }
7650 #endif
7651 }
7652 else if (readonlymode && curbuf->b_nwindows == 1)
7653 {
7654 /* When editing an already visited buffer, 'readonly' won't be set
7655 * but the previous value is kept. With ":view" and ":sview" we
7656 * want the file to be readonly, except when another window is
7657 * editing the same buffer. */
7658 curbuf->b_p_ro = TRUE;
7659 }
7660 readonlymode = n;
7661 }
7662 else
7663 {
7664 if (eap->do_ecmd_cmd != NULL)
7665 do_cmdline_cmd(eap->do_ecmd_cmd);
7666 #ifdef FEAT_TITLE
7667 n = curwin->w_arg_idx_invalid;
7668 #endif
7669 check_arg_idx(curwin);
7670 #ifdef FEAT_TITLE
7671 if (n != curwin->w_arg_idx_invalid)
7672 maketitle();
7673 #endif
7674 }
7675
7676 #ifdef FEAT_WINDOWS
7677 /*
7678 * if ":split file" worked, set alternate file name in old window to new
7679 * file
7680 */
7681 if (old_curwin != NULL
7682 && *eap->arg != NUL
7683 && curwin != old_curwin
7684 && win_valid(old_curwin)
7685 && old_curwin->w_buffer != curbuf
7686 && !cmdmod.keepalt)
7687 old_curwin->w_alt_fnum = curbuf->b_fnum;
7688 #endif
7689
7690 ex_no_reprint = TRUE;
7691 }
7692
7693 #ifndef FEAT_GUI
7694 /*
7695 * ":gui" and ":gvim" when there is no GUI.
7696 */
7697 static void
7698 ex_nogui(eap)
7699 exarg_T *eap;
7700 {
7701 eap->errmsg = e_nogvim;
7702 }
7703 #endif
7704
7705 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7706 static void
7707 ex_tearoff(eap)
7708 exarg_T *eap;
7709 {
7710 gui_make_tearoff(eap->arg);
7711 }
7712 #endif
7713
7714 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7715 static void
7716 ex_popup(eap)
7717 exarg_T *eap;
7718 {
7719 gui_make_popup(eap->arg, eap->forceit);
7720 }
7721 #endif
7722
7723 static void
7724 ex_swapname(eap)
7725 exarg_T *eap UNUSED;
7726 {
7727 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7728 MSG(_("No swap file"));
7729 else
7730 msg(curbuf->b_ml.ml_mfp->mf_fname);
7731 }
7732
7733 /*
7734 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7735 * offset.
7736 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7737 */
7738 static void
7739 ex_syncbind(eap)
7740 exarg_T *eap UNUSED;
7741 {
7742 #ifdef FEAT_SCROLLBIND
7743 win_T *wp;
7744 long topline;
7745 long y;
7746 linenr_T old_linenr = curwin->w_cursor.lnum;
7747
7748 setpcmark();
7749
7750 /*
7751 * determine max topline
7752 */
7753 if (curwin->w_p_scb)
7754 {
7755 topline = curwin->w_topline;
7756 for (wp = firstwin; wp; wp = wp->w_next)
7757 {
7758 if (wp->w_p_scb && wp->w_buffer)
7759 {
7760 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7761 if (topline > y)
7762 topline = y;
7763 }
7764 }
7765 if (topline < 1)
7766 topline = 1;
7767 }
7768 else
7769 {
7770 topline = 1;
7771 }
7772
7773
7774 /*
7775 * set all scrollbind windows to the same topline
7776 */
7777 wp = curwin;
7778 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7779 {
7780 if (curwin->w_p_scb)
7781 {
7782 y = topline - curwin->w_topline;
7783 if (y > 0)
7784 scrollup(y, TRUE);
7785 else
7786 scrolldown(-y, TRUE);
7787 curwin->w_scbind_pos = topline;
7788 redraw_later(VALID);
7789 cursor_correct();
7790 #ifdef FEAT_WINDOWS
7791 curwin->w_redr_status = TRUE;
7792 #endif
7793 }
7794 }
7795 curwin = wp;
7796 if (curwin->w_p_scb)
7797 {
7798 did_syncbind = TRUE;
7799 checkpcmark();
7800 if (old_linenr != curwin->w_cursor.lnum)
7801 {
7802 char_u ctrl_o[2];
7803
7804 ctrl_o[0] = Ctrl_O;
7805 ctrl_o[1] = 0;
7806 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7807 }
7808 }
7809 #endif
7810 }
7811
7812
7813 static void
7814 ex_read(eap)
7815 exarg_T *eap;
7816 {
7817 int i;
7818 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7819 linenr_T lnum;
7820
7821 if (eap->usefilter) /* :r!cmd */
7822 do_bang(1, eap, FALSE, FALSE, TRUE);
7823 else
7824 {
7825 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7826 return;
7827
7828 #ifdef FEAT_BROWSE
7829 if (cmdmod.browse)
7830 {
7831 char_u *browseFile;
7832
7833 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7834 NULL, NULL, NULL, curbuf);
7835 if (browseFile != NULL)
7836 {
7837 i = readfile(browseFile, NULL,
7838 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7839 vim_free(browseFile);
7840 }
7841 else
7842 i = OK;
7843 }
7844 else
7845 #endif
7846 if (*eap->arg == NUL)
7847 {
7848 if (check_fname() == FAIL) /* check for no file name */
7849 return;
7850 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7851 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7852 }
7853 else
7854 {
7855 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7856 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7857 i = readfile(eap->arg, NULL,
7858 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7859
7860 }
7861 if (i == FAIL)
7862 {
7863 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7864 if (!aborting())
7865 #endif
7866 EMSG2(_(e_notopen), eap->arg);
7867 }
7868 else
7869 {
7870 if (empty && exmode_active)
7871 {
7872 /* Delete the empty line that remains. Historically ex does
7873 * this but vi doesn't. */
7874 if (eap->line2 == 0)
7875 lnum = curbuf->b_ml.ml_line_count;
7876 else
7877 lnum = 1;
7878 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7879 {
7880 ml_delete(lnum, FALSE);
7881 if (curwin->w_cursor.lnum > 1
7882 && curwin->w_cursor.lnum >= lnum)
7883 --curwin->w_cursor.lnum;
7884 deleted_lines_mark(lnum, 1L);
7885 }
7886 }
7887 redraw_curbuf_later(VALID);
7888 }
7889 }
7890 }
7891
7892 static char_u *prev_dir = NULL;
7893
7894 #if defined(EXITFREE) || defined(PROTO)
7895 void
7896 free_cd_dir()
7897 {
7898 vim_free(prev_dir);
7899 prev_dir = NULL;
7900
7901 vim_free(globaldir);
7902 globaldir = NULL;
7903 }
7904 #endif
7905
7906
7907 /*
7908 * ":cd", ":lcd", ":chdir" and ":lchdir".
7909 */
7910 void
7911 ex_cd(eap)
7912 exarg_T *eap;
7913 {
7914 char_u *new_dir;
7915 char_u *tofree;
7916
7917 new_dir = eap->arg;
7918 #if !defined(UNIX) && !defined(VMS)
7919 /* for non-UNIX ":cd" means: print current directory */
7920 if (*new_dir == NUL)
7921 ex_pwd(NULL);
7922 else
7923 #endif
7924 {
7925 #ifdef FEAT_AUTOCMD
7926 if (allbuf_locked())
7927 return;
7928 #endif
7929 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7930 && !eap->forceit)
7931 {
7932 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7933 return;
7934 }
7935
7936 /* ":cd -": Change to previous directory */
7937 if (STRCMP(new_dir, "-") == 0)
7938 {
7939 if (prev_dir == NULL)
7940 {
7941 EMSG(_("E186: No previous directory"));
7942 return;
7943 }
7944 new_dir = prev_dir;
7945 }
7946
7947 /* Save current directory for next ":cd -" */
7948 tofree = prev_dir;
7949 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7950 prev_dir = vim_strsave(NameBuff);
7951 else
7952 prev_dir = NULL;
7953
7954 #if defined(UNIX) || defined(VMS)
7955 /* for UNIX ":cd" means: go to home directory */
7956 if (*new_dir == NUL)
7957 {
7958 /* use NameBuff for home directory name */
7959 # ifdef VMS
7960 char_u *p;
7961
7962 p = mch_getenv((char_u *)"SYS$LOGIN");
7963 if (p == NULL || *p == NUL) /* empty is the same as not set */
7964 NameBuff[0] = NUL;
7965 else
7966 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7967 # else
7968 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7969 # endif
7970 new_dir = NameBuff;
7971 }
7972 #endif
7973 if (new_dir == NULL || vim_chdir(new_dir))
7974 EMSG(_(e_failed));
7975 else
7976 {
7977 vim_free(curwin->w_localdir);
7978 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7979 {
7980 /* If still in global directory, need to remember current
7981 * directory as global directory. */
7982 if (globaldir == NULL && prev_dir != NULL)
7983 globaldir = vim_strsave(prev_dir);
7984 /* Remember this local directory for the window. */
7985 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7986 curwin->w_localdir = vim_strsave(NameBuff);
7987 }
7988 else
7989 {
7990 /* We are now in the global directory, no need to remember its
7991 * name. */
7992 vim_free(globaldir);
7993 globaldir = NULL;
7994 curwin->w_localdir = NULL;
7995 }
7996
7997 shorten_fnames(TRUE);
7998
7999 /* Echo the new current directory if the command was typed. */
8000 if (KeyTyped || p_verbose >= 5)
8001 ex_pwd(eap);
8002 }
8003 vim_free(tofree);
8004 }
8005 }
8006
8007 /*
8008 * ":pwd".
8009 */
8010 static void
8011 ex_pwd(eap)
8012 exarg_T *eap UNUSED;
8013 {
8014 if (mch_dirname(NameBuff, MAXPATHL) == OK)
8015 {
8016 #ifdef BACKSLASH_IN_FILENAME
8017 slash_adjust(NameBuff);
8018 #endif
8019 msg(NameBuff);
8020 }
8021 else
8022 EMSG(_("E187: Unknown"));
8023 }
8024
8025 /*
8026 * ":=".
8027 */
8028 static void
8029 ex_equal(eap)
8030 exarg_T *eap;
8031 {
8032 smsg((char_u *)"%ld", (long)eap->line2);
8033 ex_may_print(eap);
8034 }
8035
8036 static void
8037 ex_sleep(eap)
8038 exarg_T *eap;
8039 {
8040 int n;
8041 long len;
8042
8043 if (cursor_valid())
8044 {
8045 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8046 if (n >= 0)
8047 windgoto((int)n, curwin->w_wcol);
8048 }
8049
8050 len = eap->line2;
8051 switch (*eap->arg)
8052 {
8053 case 'm': break;
8054 case NUL: len *= 1000L; break;
8055 default: EMSG2(_(e_invarg2), eap->arg); return;
8056 }
8057 do_sleep(len);
8058 }
8059
8060 /*
8061 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8062 */
8063 void
8064 do_sleep(msec)
8065 long msec;
8066 {
8067 long done;
8068
8069 cursor_on();
8070 out_flush();
8071 for (done = 0; !got_int && done < msec; done += 1000L)
8072 {
8073 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8074 ui_breakcheck();
8075 }
8076 }
8077
8078 static void
8079 do_exmap(eap, isabbrev)
8080 exarg_T *eap;
8081 int isabbrev;
8082 {
8083 int mode;
8084 char_u *cmdp;
8085
8086 cmdp = eap->cmd;
8087 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8088
8089 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8090 eap->arg, mode, isabbrev))
8091 {
8092 case 1: EMSG(_(e_invarg));
8093 break;
8094 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8095 break;
8096 }
8097 }
8098
8099 /*
8100 * ":winsize" command (obsolete).
8101 */
8102 static void
8103 ex_winsize(eap)
8104 exarg_T *eap;
8105 {
8106 int w, h;
8107 char_u *arg = eap->arg;
8108 char_u *p;
8109
8110 w = getdigits(&arg);
8111 arg = skipwhite(arg);
8112 p = arg;
8113 h = getdigits(&arg);
8114 if (*p != NUL && *arg == NUL)
8115 set_shellsize(w, h, TRUE);
8116 else
8117 EMSG(_("E465: :winsize requires two number arguments"));
8118 }
8119
8120 #ifdef FEAT_WINDOWS
8121 static void
8122 ex_wincmd(eap)
8123 exarg_T *eap;
8124 {
8125 int xchar = NUL;
8126 char_u *p;
8127
8128 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8129 {
8130 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8131 if (eap->arg[1] == NUL)
8132 {
8133 EMSG(_(e_invarg));
8134 return;
8135 }
8136 xchar = eap->arg[1];
8137 p = eap->arg + 2;
8138 }
8139 else
8140 p = eap->arg + 1;
8141
8142 eap->nextcmd = check_nextcmd(p);
8143 p = skipwhite(p);
8144 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8145 EMSG(_(e_invarg));
8146 else
8147 {
8148 /* Pass flags on for ":vertical wincmd ]". */
8149 postponed_split_flags = cmdmod.split;
8150 postponed_split_tab = cmdmod.tab;
8151 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8152 postponed_split_flags = 0;
8153 postponed_split_tab = 0;
8154 }
8155 }
8156 #endif
8157
8158 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8159 /*
8160 * ":winpos".
8161 */
8162 static void
8163 ex_winpos(eap)
8164 exarg_T *eap;
8165 {
8166 int x, y;
8167 char_u *arg = eap->arg;
8168 char_u *p;
8169
8170 if (*arg == NUL)
8171 {
8172 # if defined(FEAT_GUI) || defined(MSWIN)
8173 # ifdef FEAT_GUI
8174 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8175 # else
8176 if (mch_get_winpos(&x, &y) != FAIL)
8177 # endif
8178 {
8179 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8180 msg(IObuff);
8181 }
8182 else
8183 # endif
8184 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8185 }
8186 else
8187 {
8188 x = getdigits(&arg);
8189 arg = skipwhite(arg);
8190 p = arg;
8191 y = getdigits(&arg);
8192 if (*p == NUL || *arg != NUL)
8193 {
8194 EMSG(_("E466: :winpos requires two number arguments"));
8195 return;
8196 }
8197 # ifdef FEAT_GUI
8198 if (gui.in_use)
8199 gui_mch_set_winpos(x, y);
8200 else if (gui.starting)
8201 {
8202 /* Remember the coordinates for when the window is opened. */
8203 gui_win_x = x;
8204 gui_win_y = y;
8205 }
8206 # ifdef HAVE_TGETENT
8207 else
8208 # endif
8209 # else
8210 # ifdef MSWIN
8211 mch_set_winpos(x, y);
8212 # endif
8213 # endif
8214 # ifdef HAVE_TGETENT
8215 if (*T_CWP)
8216 term_set_winpos(x, y);
8217 # endif
8218 }
8219 }
8220 #endif
8221
8222 /*
8223 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8224 */
8225 static void
8226 ex_operators(eap)
8227 exarg_T *eap;
8228 {
8229 oparg_T oa;
8230
8231 clear_oparg(&oa);
8232 oa.regname = eap->regname;
8233 oa.start.lnum = eap->line1;
8234 oa.end.lnum = eap->line2;
8235 oa.line_count = eap->line2 - eap->line1 + 1;
8236 oa.motion_type = MLINE;
8237 #ifdef FEAT_VIRTUALEDIT
8238 virtual_op = FALSE;
8239 #endif
8240 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8241 {
8242 setpcmark();
8243 curwin->w_cursor.lnum = eap->line1;
8244 beginline(BL_SOL | BL_FIX);
8245 }
8246
8247 switch (eap->cmdidx)
8248 {
8249 case CMD_delete:
8250 oa.op_type = OP_DELETE;
8251 op_delete(&oa);
8252 break;
8253
8254 case CMD_yank:
8255 oa.op_type = OP_YANK;
8256 (void)op_yank(&oa, FALSE, TRUE);
8257 break;
8258
8259 default: /* CMD_rshift or CMD_lshift */
8260 if ((eap->cmdidx == CMD_rshift)
8261 #ifdef FEAT_RIGHTLEFT
8262 ^ curwin->w_p_rl
8263 #endif
8264 )
8265 oa.op_type = OP_RSHIFT;
8266 else
8267 oa.op_type = OP_LSHIFT;
8268 op_shift(&oa, FALSE, eap->amount);
8269 break;
8270 }
8271 #ifdef FEAT_VIRTUALEDIT
8272 virtual_op = MAYBE;
8273 #endif
8274 ex_may_print(eap);
8275 }
8276
8277 /*
8278 * ":put".
8279 */
8280 static void
8281 ex_put(eap)
8282 exarg_T *eap;
8283 {
8284 /* ":0put" works like ":1put!". */
8285 if (eap->line2 == 0)
8286 {
8287 eap->line2 = 1;
8288 eap->forceit = TRUE;
8289 }
8290 curwin->w_cursor.lnum = eap->line2;
8291 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8292 PUT_LINE|PUT_CURSLINE);
8293 }
8294
8295 /*
8296 * Handle ":copy" and ":move".
8297 */
8298 static void
8299 ex_copymove(eap)
8300 exarg_T *eap;
8301 {
8302 long n;
8303
8304 n = get_address(&eap->arg, FALSE, FALSE);
8305 if (eap->arg == NULL) /* error detected */
8306 {
8307 eap->nextcmd = NULL;
8308 return;
8309 }
8310 get_flags(eap);
8311
8312 /*
8313 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8314 */
8315 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8316 {
8317 EMSG(_(e_invaddr));
8318 return;
8319 }
8320
8321 if (eap->cmdidx == CMD_move)
8322 {
8323 if (do_move(eap->line1, eap->line2, n) == FAIL)
8324 return;
8325 }
8326 else
8327 ex_copy(eap->line1, eap->line2, n);
8328 u_clearline();
8329 beginline(BL_SOL | BL_FIX);
8330 ex_may_print(eap);
8331 }
8332
8333 /*
8334 * Print the current line if flags were given to the Ex command.
8335 */
8336 static void
8337 ex_may_print(eap)
8338 exarg_T *eap;
8339 {
8340 if (eap->flags != 0)
8341 {
8342 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8343 (eap->flags & EXFLAG_LIST));
8344 ex_no_reprint = TRUE;
8345 }
8346 }
8347
8348 /*
8349 * ":smagic" and ":snomagic".
8350 */
8351 static void
8352 ex_submagic(eap)
8353 exarg_T *eap;
8354 {
8355 int magic_save = p_magic;
8356
8357 p_magic = (eap->cmdidx == CMD_smagic);
8358 do_sub(eap);
8359 p_magic = magic_save;
8360 }
8361
8362 /*
8363 * ":join".
8364 */
8365 static void
8366 ex_join(eap)
8367 exarg_T *eap;
8368 {
8369 curwin->w_cursor.lnum = eap->line1;
8370 if (eap->line1 == eap->line2)
8371 {
8372 if (eap->addr_count >= 2) /* :2,2join does nothing */
8373 return;
8374 if (eap->line2 == curbuf->b_ml.ml_line_count)
8375 {
8376 beep_flush();
8377 return;
8378 }
8379 ++eap->line2;
8380 }
8381 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8382 beginline(BL_WHITE | BL_FIX);
8383 ex_may_print(eap);
8384 }
8385
8386 /*
8387 * ":[addr]@r" or ":[addr]*r": execute register
8388 */
8389 static void
8390 ex_at(eap)
8391 exarg_T *eap;
8392 {
8393 int c;
8394 int prev_len = typebuf.tb_len;
8395
8396 curwin->w_cursor.lnum = eap->line2;
8397
8398 #ifdef USE_ON_FLY_SCROLL
8399 dont_scroll = TRUE; /* disallow scrolling here */
8400 #endif
8401
8402 /* get the register name. No name means to use the previous one */
8403 c = *eap->arg;
8404 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8405 c = '@';
8406 /* Put the register in the typeahead buffer with the "silent" flag. */
8407 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8408 == FAIL)
8409 {
8410 beep_flush();
8411 }
8412 else
8413 {
8414 int save_efr = exec_from_reg;
8415
8416 exec_from_reg = TRUE;
8417
8418 /*
8419 * Execute from the typeahead buffer.
8420 * Continue until the stuff buffer is empty and all added characters
8421 * have been consumed.
8422 */
8423 while (!stuff_empty() || typebuf.tb_len > prev_len)
8424 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8425
8426 exec_from_reg = save_efr;
8427 }
8428 }
8429
8430 /*
8431 * ":!".
8432 */
8433 static void
8434 ex_bang(eap)
8435 exarg_T *eap;
8436 {
8437 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8438 }
8439
8440 /*
8441 * ":undo".
8442 */
8443 static void
8444 ex_undo(eap)
8445 exarg_T *eap UNUSED;
8446 {
8447 if (eap->addr_count == 1) /* :undo 123 */
8448 undo_time(eap->line2, FALSE, TRUE);
8449 else
8450 u_undo(1);
8451 }
8452
8453 /*
8454 * ":redo".
8455 */
8456 static void
8457 ex_redo(eap)
8458 exarg_T *eap UNUSED;
8459 {
8460 u_redo(1);
8461 }
8462
8463 /*
8464 * ":earlier" and ":later".
8465 */
8466 static void
8467 ex_later(eap)
8468 exarg_T *eap;
8469 {
8470 long count = 0;
8471 int sec = FALSE;
8472 char_u *p = eap->arg;
8473
8474 if (*p == NUL)
8475 count = 1;
8476 else if (isdigit(*p))
8477 {
8478 count = getdigits(&p);
8479 switch (*p)
8480 {
8481 case 's': ++p; sec = TRUE; break;
8482 case 'm': ++p; sec = TRUE; count *= 60; break;
8483 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8484 }
8485 }
8486
8487 if (*p != NUL)
8488 EMSG2(_(e_invarg2), eap->arg);
8489 else
8490 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8491 }
8492
8493 /*
8494 * ":redir": start/stop redirection.
8495 */
8496 static void
8497 ex_redir(eap)
8498 exarg_T *eap;
8499 {
8500 char *mode;
8501 char_u *fname;
8502 char_u *arg = eap->arg;
8503
8504 if (STRICMP(eap->arg, "END") == 0)
8505 close_redir();
8506 else
8507 {
8508 if (*arg == '>')
8509 {
8510 ++arg;
8511 if (*arg == '>')
8512 {
8513 ++arg;
8514 mode = "a";
8515 }
8516 else
8517 mode = "w";
8518 arg = skipwhite(arg);
8519
8520 close_redir();
8521
8522 /* Expand environment variables and "~/". */
8523 fname = expand_env_save(arg);
8524 if (fname == NULL)
8525 return;
8526 #ifdef FEAT_BROWSE
8527 if (cmdmod.browse)
8528 {
8529 char_u *browseFile;
8530
8531 browseFile = do_browse(BROWSE_SAVE,
8532 (char_u *)_("Save Redirection"),
8533 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8534 if (browseFile == NULL)
8535 return; /* operation cancelled */
8536 vim_free(fname);
8537 fname = browseFile;
8538 eap->forceit = TRUE; /* since dialog already asked */
8539 }
8540 #endif
8541
8542 redir_fd = open_exfile(fname, eap->forceit, mode);
8543 vim_free(fname);
8544 }
8545 #ifdef FEAT_EVAL
8546 else if (*arg == '@')
8547 {
8548 /* redirect to a register a-z (resp. A-Z for appending) */
8549 close_redir();
8550 ++arg;
8551 if (ASCII_ISALPHA(*arg)
8552 # ifdef FEAT_CLIPBOARD
8553 || *arg == '*'
8554 || *arg == '+'
8555 # endif
8556 || *arg == '"')
8557 {
8558 redir_reg = *arg++;
8559 if (*arg == '>' && arg[1] == '>') /* append */
8560 arg += 2;
8561 else
8562 {
8563 /* Can use both "@a" and "@a>". */
8564 if (*arg == '>')
8565 arg++;
8566 /* Make register empty when not using @A-@Z and the
8567 * command is valid. */
8568 if (*arg == NUL && !isupper(redir_reg))
8569 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8570 }
8571 }
8572 if (*arg != NUL)
8573 {
8574 redir_reg = 0;
8575 EMSG2(_(e_invarg2), eap->arg);
8576 }
8577 }
8578 else if (*arg == '=' && arg[1] == '>')
8579 {
8580 int append;
8581
8582 /* redirect to a variable */
8583 close_redir();
8584 arg += 2;
8585
8586 if (*arg == '>')
8587 {
8588 ++arg;
8589 append = TRUE;
8590 }
8591 else
8592 append = FALSE;
8593
8594 if (var_redir_start(skipwhite(arg), append) == OK)
8595 redir_vname = 1;
8596 }
8597 #endif
8598
8599 /* TODO: redirect to a buffer */
8600
8601 else
8602 EMSG2(_(e_invarg2), eap->arg);
8603 }
8604
8605 /* Make sure redirection is not off. Can happen for cmdline completion
8606 * that indirectly invokes a command to catch its output. */
8607 if (redir_fd != NULL
8608 #ifdef FEAT_EVAL
8609 || redir_reg || redir_vname
8610 #endif
8611 )
8612 redir_off = FALSE;
8613 }
8614
8615 /*
8616 * ":redraw": force redraw
8617 */
8618 static void
8619 ex_redraw(eap)
8620 exarg_T *eap;
8621 {
8622 int r = RedrawingDisabled;
8623 int p = p_lz;
8624
8625 RedrawingDisabled = 0;
8626 p_lz = FALSE;
8627 update_topline();
8628 update_screen(eap->forceit ? CLEAR :
8629 #ifdef FEAT_VISUAL
8630 VIsual_active ? INVERTED :
8631 #endif
8632 0);
8633 #ifdef FEAT_TITLE
8634 if (need_maketitle)
8635 maketitle();
8636 #endif
8637 RedrawingDisabled = r;
8638 p_lz = p;
8639
8640 /* Reset msg_didout, so that a message that's there is overwritten. */
8641 msg_didout = FALSE;
8642 msg_col = 0;
8643
8644 out_flush();
8645 }
8646
8647 /*
8648 * ":redrawstatus": force redraw of status line(s)
8649 */
8650 static void
8651 ex_redrawstatus(eap)
8652 exarg_T *eap UNUSED;
8653 {
8654 #if defined(FEAT_WINDOWS)
8655 int r = RedrawingDisabled;
8656 int p = p_lz;
8657
8658 RedrawingDisabled = 0;
8659 p_lz = FALSE;
8660 if (eap->forceit)
8661 status_redraw_all();
8662 else
8663 status_redraw_curbuf();
8664 update_screen(
8665 # ifdef FEAT_VISUAL
8666 VIsual_active ? INVERTED :
8667 # endif
8668 0);
8669 RedrawingDisabled = r;
8670 p_lz = p;
8671 out_flush();
8672 #endif
8673 }
8674
8675 static void
8676 close_redir()
8677 {
8678 if (redir_fd != NULL)
8679 {
8680 fclose(redir_fd);
8681 redir_fd = NULL;
8682 }
8683 #ifdef FEAT_EVAL
8684 redir_reg = 0;
8685 if (redir_vname)
8686 {
8687 var_redir_stop();
8688 redir_vname = 0;
8689 }
8690 #endif
8691 }
8692
8693 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8694 # define MKSESSION_NL
8695 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8696 #endif
8697
8698 /*
8699 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8700 */
8701 static void
8702 ex_mkrc(eap)
8703 exarg_T *eap;
8704 {
8705 FILE *fd;
8706 int failed = FALSE;
8707 char_u *fname;
8708 #ifdef FEAT_BROWSE
8709 char_u *browseFile = NULL;
8710 #endif
8711 #ifdef FEAT_SESSION
8712 int view_session = FALSE;
8713 int using_vdir = FALSE; /* using 'viewdir'? */
8714 char_u *viewFile = NULL;
8715 unsigned *flagp;
8716 #endif
8717
8718 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8719 {
8720 #ifdef FEAT_SESSION
8721 view_session = TRUE;
8722 #else
8723 ex_ni(eap);
8724 return;
8725 #endif
8726 }
8727
8728 #ifdef FEAT_SESSION
8729 /* Use the short file name until ":lcd" is used. We also don't use the
8730 * short file name when 'acd' is set, that is checked later. */
8731 did_lcd = FALSE;
8732
8733 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8734 if (eap->cmdidx == CMD_mkview
8735 && (*eap->arg == NUL
8736 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8737 {
8738 eap->forceit = TRUE;
8739 fname = get_view_file(*eap->arg);
8740 if (fname == NULL)
8741 return;
8742 viewFile = fname;
8743 using_vdir = TRUE;
8744 }
8745 else
8746 #endif
8747 if (*eap->arg != NUL)
8748 fname = eap->arg;
8749 else if (eap->cmdidx == CMD_mkvimrc)
8750 fname = (char_u *)VIMRC_FILE;
8751 #ifdef FEAT_SESSION
8752 else if (eap->cmdidx == CMD_mksession)
8753 fname = (char_u *)SESSION_FILE;
8754 #endif
8755 else
8756 fname = (char_u *)EXRC_FILE;
8757
8758 #ifdef FEAT_BROWSE
8759 if (cmdmod.browse)
8760 {
8761 browseFile = do_browse(BROWSE_SAVE,
8762 # ifdef FEAT_SESSION
8763 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8764 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8765 # endif
8766 (char_u *)_("Save Setup"),
8767 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8768 if (browseFile == NULL)
8769 goto theend;
8770 fname = browseFile;
8771 eap->forceit = TRUE; /* since dialog already asked */
8772 }
8773 #endif
8774
8775 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8776 /* When using 'viewdir' may have to create the directory. */
8777 if (using_vdir && !mch_isdir(p_vdir))
8778 vim_mkdir_emsg(p_vdir, 0755);
8779 #endif
8780
8781 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8782 if (fd != NULL)
8783 {
8784 #ifdef FEAT_SESSION
8785 if (eap->cmdidx == CMD_mkview)
8786 flagp = &vop_flags;
8787 else
8788 flagp = &ssop_flags;
8789 #endif
8790
8791 #ifdef MKSESSION_NL
8792 /* "unix" in 'sessionoptions': use NL line separator */
8793 if (view_session && (*flagp & SSOP_UNIX))
8794 mksession_nl = TRUE;
8795 #endif
8796
8797 /* Write the version command for :mkvimrc */
8798 if (eap->cmdidx == CMD_mkvimrc)
8799 (void)put_line(fd, "version 6.0");
8800
8801 #ifdef FEAT_SESSION
8802 if (eap->cmdidx == CMD_mksession)
8803 {
8804 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8805 failed = TRUE;
8806 }
8807
8808 if (eap->cmdidx != CMD_mkview)
8809 #endif
8810 {
8811 /* Write setting 'compatible' first, because it has side effects.
8812 * For that same reason only do it when needed. */
8813 if (p_cp)
8814 (void)put_line(fd, "if !&cp | set cp | endif");
8815 else
8816 (void)put_line(fd, "if &cp | set nocp | endif");
8817 }
8818
8819 #ifdef FEAT_SESSION
8820 if (!view_session
8821 || (eap->cmdidx == CMD_mksession
8822 && (*flagp & SSOP_OPTIONS)))
8823 #endif
8824 failed |= (makemap(fd, NULL) == FAIL
8825 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8826
8827 #ifdef FEAT_SESSION
8828 if (!failed && view_session)
8829 {
8830 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8831 failed = TRUE;
8832 if (eap->cmdidx == CMD_mksession)
8833 {
8834 char_u dirnow[MAXPATHL]; /* current directory */
8835
8836 /*
8837 * Change to session file's dir.
8838 */
8839 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8840 || mch_chdir((char *)dirnow) != 0)
8841 *dirnow = NUL;
8842 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8843 {
8844 if (vim_chdirfile(fname) == OK)
8845 shorten_fnames(TRUE);
8846 }
8847 else if (*dirnow != NUL
8848 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8849 {
8850 if (mch_chdir((char *)globaldir) == 0)
8851 shorten_fnames(TRUE);
8852 }
8853
8854 failed |= (makeopens(fd, dirnow) == FAIL);
8855
8856 /* restore original dir */
8857 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8858 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8859 {
8860 if (mch_chdir((char *)dirnow) != 0)
8861 EMSG(_(e_prev_dir));
8862 shorten_fnames(TRUE);
8863 }
8864 }
8865 else
8866 {
8867 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8868 -1) == FAIL);
8869 }
8870 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8871 == FAIL)
8872 failed = TRUE;
8873 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8874 failed = TRUE;
8875 if (eap->cmdidx == CMD_mksession)
8876 {
8877 if (put_line(fd, "unlet SessionLoad") == FAIL)
8878 failed = TRUE;
8879 }
8880 }
8881 #endif
8882 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8883 failed = TRUE;
8884
8885 failed |= fclose(fd);
8886
8887 if (failed)
8888 EMSG(_(e_write));
8889 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8890 else if (eap->cmdidx == CMD_mksession)
8891 {
8892 /* successful session write - set this_session var */
8893 char_u tbuf[MAXPATHL];
8894
8895 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8896 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8897 }
8898 #endif
8899 #ifdef MKSESSION_NL
8900 mksession_nl = FALSE;
8901 #endif
8902 }
8903
8904 #ifdef FEAT_BROWSE
8905 theend:
8906 vim_free(browseFile);
8907 #endif
8908 #ifdef FEAT_SESSION
8909 vim_free(viewFile);
8910 #endif
8911 }
8912
8913 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8914 || defined(PROTO)
8915 int
8916 vim_mkdir_emsg(name, prot)
8917 char_u *name;
8918 int prot UNUSED;
8919 {
8920 if (vim_mkdir(name, prot) != 0)
8921 {
8922 EMSG2(_("E739: Cannot create directory: %s"), name);
8923 return FAIL;
8924 }
8925 return OK;
8926 }
8927 #endif
8928
8929 /*
8930 * Open a file for writing for an Ex command, with some checks.
8931 * Return file descriptor, or NULL on failure.
8932 */
8933 FILE *
8934 open_exfile(fname, forceit, mode)
8935 char_u *fname;
8936 int forceit;
8937 char *mode; /* "w" for create new file or "a" for append */
8938 {
8939 FILE *fd;
8940
8941 #ifdef UNIX
8942 /* with Unix it is possible to open a directory */
8943 if (mch_isdir(fname))
8944 {
8945 EMSG2(_(e_isadir2), fname);
8946 return NULL;
8947 }
8948 #endif
8949 if (!forceit && *mode != 'a' && vim_fexists(fname))
8950 {
8951 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8952 return NULL;
8953 }
8954
8955 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8956 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8957
8958 return fd;
8959 }
8960
8961 /*
8962 * ":mark" and ":k".
8963 */
8964 static void
8965 ex_mark(eap)
8966 exarg_T *eap;
8967 {
8968 pos_T pos;
8969
8970 if (*eap->arg == NUL) /* No argument? */
8971 EMSG(_(e_argreq));
8972 else if (eap->arg[1] != NUL) /* more than one character? */
8973 EMSG(_(e_trailing));
8974 else
8975 {
8976 pos = curwin->w_cursor; /* save curwin->w_cursor */
8977 curwin->w_cursor.lnum = eap->line2;
8978 beginline(BL_WHITE | BL_FIX);
8979 if (setmark(*eap->arg) == FAIL) /* set mark */
8980 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8981 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8982 }
8983 }
8984
8985 /*
8986 * Update w_topline, w_leftcol and the cursor position.
8987 */
8988 void
8989 update_topline_cursor()
8990 {
8991 check_cursor(); /* put cursor on valid line */
8992 update_topline();
8993 if (!curwin->w_p_wrap)
8994 validate_cursor();
8995 update_curswant();
8996 }
8997
8998 #ifdef FEAT_EX_EXTRA
8999 /*
9000 * ":normal[!] {commands}": Execute normal mode commands.
9001 */
9002 static void
9003 ex_normal(eap)
9004 exarg_T *eap;
9005 {
9006 int save_msg_scroll = msg_scroll;
9007 int save_restart_edit = restart_edit;
9008 int save_msg_didout = msg_didout;
9009 int save_State = State;
9010 tasave_T tabuf;
9011 int save_insertmode = p_im;
9012 int save_finish_op = finish_op;
9013 int save_opcount = opcount;
9014 #ifdef FEAT_MBYTE
9015 char_u *arg = NULL;
9016 int l;
9017 char_u *p;
9018 #endif
9019
9020 if (ex_normal_lock > 0)
9021 {
9022 EMSG(_(e_secure));
9023 return;
9024 }
9025 if (ex_normal_busy >= p_mmd)
9026 {
9027 EMSG(_("E192: Recursive use of :normal too deep"));
9028 return;
9029 }
9030 ++ex_normal_busy;
9031
9032 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9033 restart_edit = 0; /* don't go to Insert mode */
9034 p_im = FALSE; /* don't use 'insertmode' */
9035
9036 #ifdef FEAT_MBYTE
9037 /*
9038 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9039 * this for the K_SPECIAL leading byte, otherwise special keys will not
9040 * work.
9041 */
9042 if (has_mbyte)
9043 {
9044 int len = 0;
9045
9046 /* Count the number of characters to be escaped. */
9047 for (p = eap->arg; *p != NUL; ++p)
9048 {
9049 # ifdef FEAT_GUI
9050 if (*p == CSI) /* leadbyte CSI */
9051 len += 2;
9052 # endif
9053 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9054 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9055 # ifdef FEAT_GUI
9056 || *p == CSI
9057 # endif
9058 )
9059 len += 2;
9060 }
9061 if (len > 0)
9062 {
9063 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9064 if (arg != NULL)
9065 {
9066 len = 0;
9067 for (p = eap->arg; *p != NUL; ++p)
9068 {
9069 arg[len++] = *p;
9070 # ifdef FEAT_GUI
9071 if (*p == CSI)
9072 {
9073 arg[len++] = KS_EXTRA;
9074 arg[len++] = (int)KE_CSI;
9075 }
9076 # endif
9077 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9078 {
9079 arg[len++] = *++p;
9080 if (*p == K_SPECIAL)
9081 {
9082 arg[len++] = KS_SPECIAL;
9083 arg[len++] = KE_FILLER;
9084 }
9085 # ifdef FEAT_GUI
9086 else if (*p == CSI)
9087 {
9088 arg[len++] = KS_EXTRA;
9089 arg[len++] = (int)KE_CSI;
9090 }
9091 # endif
9092 }
9093 arg[len] = NUL;
9094 }
9095 }
9096 }
9097 }
9098 #endif
9099
9100 /*
9101 * Save the current typeahead. This is required to allow using ":normal"
9102 * from an event handler and makes sure we don't hang when the argument
9103 * ends with half a command.
9104 */
9105 save_typeahead(&tabuf);
9106 if (tabuf.typebuf_valid)
9107 {
9108 /*
9109 * Repeat the :normal command for each line in the range. When no
9110 * range given, execute it just once, without positioning the cursor
9111 * first.
9112 */
9113 do
9114 {
9115 if (eap->addr_count != 0)
9116 {
9117 curwin->w_cursor.lnum = eap->line1++;
9118 curwin->w_cursor.col = 0;
9119 }
9120
9121 exec_normal_cmd(
9122 #ifdef FEAT_MBYTE
9123 arg != NULL ? arg :
9124 #endif
9125 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9126 }
9127 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9128 }
9129
9130 /* Might not return to the main loop when in an event handler. */
9131 update_topline_cursor();
9132
9133 /* Restore the previous typeahead. */
9134 restore_typeahead(&tabuf);
9135
9136 --ex_normal_busy;
9137 msg_scroll = save_msg_scroll;
9138 restart_edit = save_restart_edit;
9139 p_im = save_insertmode;
9140 finish_op = save_finish_op;
9141 opcount = save_opcount;
9142 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9143
9144 /* Restore the state (needed when called from a function executed for
9145 * 'indentexpr'). */
9146 State = save_State;
9147 #ifdef FEAT_MBYTE
9148 vim_free(arg);
9149 #endif
9150 }
9151
9152 /*
9153 * ":startinsert", ":startreplace" and ":startgreplace"
9154 */
9155 static void
9156 ex_startinsert(eap)
9157 exarg_T *eap;
9158 {
9159 if (eap->forceit)
9160 {
9161 coladvance((colnr_T)MAXCOL);
9162 curwin->w_curswant = MAXCOL;
9163 curwin->w_set_curswant = FALSE;
9164 }
9165
9166 /* Ignore the command when already in Insert mode. Inserting an
9167 * expression register that invokes a function can do this. */
9168 if (State & INSERT)
9169 return;
9170
9171 if (eap->cmdidx == CMD_startinsert)
9172 restart_edit = 'a';
9173 else if (eap->cmdidx == CMD_startreplace)
9174 restart_edit = 'R';
9175 else
9176 restart_edit = 'V';
9177
9178 if (!eap->forceit)
9179 {
9180 if (eap->cmdidx == CMD_startinsert)
9181 restart_edit = 'i';
9182 curwin->w_curswant = 0; /* avoid MAXCOL */
9183 }
9184 }
9185
9186 /*
9187 * ":stopinsert"
9188 */
9189 static void
9190 ex_stopinsert(eap)
9191 exarg_T *eap UNUSED;
9192 {
9193 restart_edit = 0;
9194 stop_insert_mode = TRUE;
9195 }
9196 #endif
9197
9198 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9199 /*
9200 * Execute normal mode command "cmd".
9201 * "remap" can be REMAP_NONE or REMAP_YES.
9202 */
9203 void
9204 exec_normal_cmd(cmd, remap, silent)
9205 char_u *cmd;
9206 int remap;
9207 int silent;
9208 {
9209 oparg_T oa;
9210
9211 /*
9212 * Stuff the argument into the typeahead buffer.
9213 * Execute normal_cmd() until there is no typeahead left.
9214 */
9215 clear_oparg(&oa);
9216 finish_op = FALSE;
9217 ins_typebuf(cmd, remap, 0, TRUE, silent);
9218 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9219 && !got_int)
9220 {
9221 update_topline_cursor();
9222 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9223 }
9224 }
9225 #endif
9226
9227 #ifdef FEAT_FIND_ID
9228 static void
9229 ex_checkpath(eap)
9230 exarg_T *eap;
9231 {
9232 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9233 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9234 (linenr_T)1, (linenr_T)MAXLNUM);
9235 }
9236
9237 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9238 /*
9239 * ":psearch"
9240 */
9241 static void
9242 ex_psearch(eap)
9243 exarg_T *eap;
9244 {
9245 g_do_tagpreview = p_pvh;
9246 ex_findpat(eap);
9247 g_do_tagpreview = 0;
9248 }
9249 #endif
9250
9251 static void
9252 ex_findpat(eap)
9253 exarg_T *eap;
9254 {
9255 int whole = TRUE;
9256 long n;
9257 char_u *p;
9258 int action;
9259
9260 switch (cmdnames[eap->cmdidx].cmd_name[2])
9261 {
9262 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9263 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9264 action = ACTION_GOTO;
9265 else
9266 action = ACTION_SHOW;
9267 break;
9268 case 'i': /* ":ilist" and ":dlist" */
9269 action = ACTION_SHOW_ALL;
9270 break;
9271 case 'u': /* ":ijump" and ":djump" */
9272 action = ACTION_GOTO;
9273 break;
9274 default: /* ":isplit" and ":dsplit" */
9275 action = ACTION_SPLIT;
9276 break;
9277 }
9278
9279 n = 1;
9280 if (vim_isdigit(*eap->arg)) /* get count */
9281 {
9282 n = getdigits(&eap->arg);
9283 eap->arg = skipwhite(eap->arg);
9284 }
9285 if (*eap->arg == '/') /* Match regexp, not just whole words */
9286 {
9287 whole = FALSE;
9288 ++eap->arg;
9289 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9290 if (*p)
9291 {
9292 *p++ = NUL;
9293 p = skipwhite(p);
9294
9295 /* Check for trailing illegal characters */
9296 if (!ends_excmd(*p))
9297 eap->errmsg = e_trailing;
9298 else
9299 eap->nextcmd = check_nextcmd(p);
9300 }
9301 }
9302 if (!eap->skip)
9303 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9304 whole, !eap->forceit,
9305 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9306 n, action, eap->line1, eap->line2);
9307 }
9308 #endif
9309
9310 #ifdef FEAT_WINDOWS
9311
9312 # ifdef FEAT_QUICKFIX
9313 /*
9314 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9315 */
9316 static void
9317 ex_ptag(eap)
9318 exarg_T *eap;
9319 {
9320 g_do_tagpreview = p_pvh;
9321 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9322 }
9323
9324 /*
9325 * ":pedit"
9326 */
9327 static void
9328 ex_pedit(eap)
9329 exarg_T *eap;
9330 {
9331 win_T *curwin_save = curwin;
9332
9333 g_do_tagpreview = p_pvh;
9334 prepare_tagpreview(TRUE);
9335 keep_help_flag = curwin_save->w_buffer->b_help;
9336 do_exedit(eap, NULL);
9337 keep_help_flag = FALSE;
9338 if (curwin != curwin_save && win_valid(curwin_save))
9339 {
9340 /* Return cursor to where we were */
9341 validate_cursor();
9342 redraw_later(VALID);
9343 win_enter(curwin_save, TRUE);
9344 }
9345 g_do_tagpreview = 0;
9346 }
9347 # endif
9348
9349 /*
9350 * ":stag", ":stselect" and ":stjump".
9351 */
9352 static void
9353 ex_stag(eap)
9354 exarg_T *eap;
9355 {
9356 postponed_split = -1;
9357 postponed_split_flags = cmdmod.split;
9358 postponed_split_tab = cmdmod.tab;
9359 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9360 postponed_split_flags = 0;
9361 postponed_split_tab = 0;
9362 }
9363 #endif
9364
9365 /*
9366 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9367 */
9368 static void
9369 ex_tag(eap)
9370 exarg_T *eap;
9371 {
9372 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9373 }
9374
9375 static void
9376 ex_tag_cmd(eap, name)
9377 exarg_T *eap;
9378 char_u *name;
9379 {
9380 int cmd;
9381
9382 switch (name[1])
9383 {
9384 case 'j': cmd = DT_JUMP; /* ":tjump" */
9385 break;
9386 case 's': cmd = DT_SELECT; /* ":tselect" */
9387 break;
9388 case 'p': cmd = DT_PREV; /* ":tprevious" */
9389 break;
9390 case 'N': cmd = DT_PREV; /* ":tNext" */
9391 break;
9392 case 'n': cmd = DT_NEXT; /* ":tnext" */
9393 break;
9394 case 'o': cmd = DT_POP; /* ":pop" */
9395 break;
9396 case 'f': /* ":tfirst" */
9397 case 'r': cmd = DT_FIRST; /* ":trewind" */
9398 break;
9399 case 'l': cmd = DT_LAST; /* ":tlast" */
9400 break;
9401 default: /* ":tag" */
9402 #ifdef FEAT_CSCOPE
9403 if (p_cst && *eap->arg != NUL)
9404 {
9405 do_cstag(eap);
9406 return;
9407 }
9408 #endif
9409 cmd = DT_TAG;
9410 break;
9411 }
9412
9413 if (name[0] == 'l')
9414 {
9415 #ifndef FEAT_QUICKFIX
9416 ex_ni(eap);
9417 return;
9418 #else
9419 cmd = DT_LTAG;
9420 #endif
9421 }
9422
9423 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9424 eap->forceit, TRUE);
9425 }
9426
9427 /*
9428 * Check "str" for starting with a special cmdline variable.
9429 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9430 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9431 */
9432 int
9433 find_cmdline_var(src, usedlen)
9434 char_u *src;
9435 int *usedlen;
9436 {
9437 int len;
9438 int i;
9439 static char *(spec_str[]) = {
9440 "%",
9441 #define SPEC_PERC 0
9442 "#",
9443 #define SPEC_HASH 1
9444 "<cword>", /* cursor word */
9445 #define SPEC_CWORD 2
9446 "<cWORD>", /* cursor WORD */
9447 #define SPEC_CCWORD 3
9448 "<cfile>", /* cursor path name */
9449 #define SPEC_CFILE 4
9450 "<sfile>", /* ":so" file name */
9451 #define SPEC_SFILE 5
9452 #ifdef FEAT_AUTOCMD
9453 "<afile>", /* autocommand file name */
9454 # define SPEC_AFILE 6
9455 "<abuf>", /* autocommand buffer number */
9456 # define SPEC_ABUF 7
9457 "<amatch>", /* autocommand match name */
9458 # define SPEC_AMATCH 8
9459 #endif
9460 #ifdef FEAT_CLIENTSERVER
9461 "<client>"
9462 # define SPEC_CLIENT 9
9463 #endif
9464 };
9465
9466 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9467 {
9468 len = (int)STRLEN(spec_str[i]);
9469 if (STRNCMP(src, spec_str[i], len) == 0)
9470 {
9471 *usedlen = len;
9472 return i;
9473 }
9474 }
9475 return -1;
9476 }
9477
9478 /*
9479 * Evaluate cmdline variables.
9480 *
9481 * change '%' to curbuf->b_ffname
9482 * '#' to curwin->w_altfile
9483 * '<cword>' to word under the cursor
9484 * '<cWORD>' to WORD under the cursor
9485 * '<cfile>' to path name under the cursor
9486 * '<sfile>' to sourced file name
9487 * '<afile>' to file name for autocommand
9488 * '<abuf>' to buffer number for autocommand
9489 * '<amatch>' to matching name for autocommand
9490 *
9491 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9492 * "" for error without a message) and NULL is returned.
9493 * Returns an allocated string if a valid match was found.
9494 * Returns NULL if no match was found. "usedlen" then still contains the
9495 * number of characters to skip.
9496 */
9497 char_u *
9498 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9499 char_u *src; /* pointer into commandline */
9500 char_u *srcstart; /* beginning of valid memory for src */
9501 int *usedlen; /* characters after src that are used */
9502 linenr_T *lnump; /* line number for :e command, or NULL */
9503 char_u **errormsg; /* pointer to error message */
9504 int *escaped; /* return value has escaped white space (can
9505 * be NULL) */
9506 {
9507 int i;
9508 char_u *s;
9509 char_u *result;
9510 char_u *resultbuf = NULL;
9511 int resultlen;
9512 buf_T *buf;
9513 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9514 int spec_idx;
9515 #ifdef FEAT_MODIFY_FNAME
9516 int skip_mod = FALSE;
9517 #endif
9518
9519 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9520 char_u strbuf[30];
9521 #endif
9522
9523 *errormsg = NULL;
9524 if (escaped != NULL)
9525 *escaped = FALSE;
9526
9527 /*
9528 * Check if there is something to do.
9529 */
9530 spec_idx = find_cmdline_var(src, usedlen);
9531 if (spec_idx < 0) /* no match */
9532 {
9533 *usedlen = 1;
9534 return NULL;
9535 }
9536
9537 /*
9538 * Skip when preceded with a backslash "\%" and "\#".
9539 * Note: In "\\%" the % is also not recognized!
9540 */
9541 if (src > srcstart && src[-1] == '\\')
9542 {
9543 *usedlen = 0;
9544 STRMOVE(src - 1, src); /* remove backslash */
9545 return NULL;
9546 }
9547
9548 /*
9549 * word or WORD under cursor
9550 */
9551 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9552 {
9553 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9554 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9555 if (resultlen == 0)
9556 {
9557 *errormsg = (char_u *)"";
9558 return NULL;
9559 }
9560 }
9561
9562 /*
9563 * '#': Alternate file name
9564 * '%': Current file name
9565 * File name under the cursor
9566 * File name for autocommand
9567 * and following modifiers
9568 */
9569 else
9570 {
9571 switch (spec_idx)
9572 {
9573 case SPEC_PERC: /* '%': current file */
9574 if (curbuf->b_fname == NULL)
9575 {
9576 result = (char_u *)"";
9577 valid = 0; /* Must have ":p:h" to be valid */
9578 }
9579 else
9580 #ifdef RISCOS
9581 /* Always use the full path for RISC OS if possible. */
9582 result = curbuf->b_ffname;
9583 if (result == NULL)
9584 result = curbuf->b_fname;
9585 #else
9586 result = curbuf->b_fname;
9587 #endif
9588 break;
9589
9590 case SPEC_HASH: /* '#' or "#99": alternate file */
9591 if (src[1] == '#') /* "##": the argument list */
9592 {
9593 result = arg_all();
9594 resultbuf = result;
9595 *usedlen = 2;
9596 if (escaped != NULL)
9597 *escaped = TRUE;
9598 #ifdef FEAT_MODIFY_FNAME
9599 skip_mod = TRUE;
9600 #endif
9601 break;
9602 }
9603 s = src + 1;
9604 if (*s == '<') /* "#<99" uses v:oldfiles */
9605 ++s;
9606 i = (int)getdigits(&s);
9607 *usedlen = (int)(s - src); /* length of what we expand */
9608
9609 if (src[1] == '<')
9610 {
9611 if (*usedlen < 2)
9612 {
9613 /* Should we give an error message for #<text? */
9614 *usedlen = 1;
9615 return NULL;
9616 }
9617 #ifdef FEAT_EVAL
9618 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9619 (long)i);
9620 if (result == NULL)
9621 {
9622 *errormsg = (char_u *)"";
9623 return NULL;
9624 }
9625 #else
9626 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9627 return NULL;
9628 #endif
9629 }
9630 else
9631 {
9632 buf = buflist_findnr(i);
9633 if (buf == NULL)
9634 {
9635 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9636 return NULL;
9637 }
9638 if (lnump != NULL)
9639 *lnump = ECMD_LAST;
9640 if (buf->b_fname == NULL)
9641 {
9642 result = (char_u *)"";
9643 valid = 0; /* Must have ":p:h" to be valid */
9644 }
9645 else
9646 result = buf->b_fname;
9647 }
9648 break;
9649
9650 #ifdef FEAT_SEARCHPATH
9651 case SPEC_CFILE: /* file name under cursor */
9652 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9653 if (result == NULL)
9654 {
9655 *errormsg = (char_u *)"";
9656 return NULL;
9657 }
9658 resultbuf = result; /* remember allocated string */
9659 break;
9660 #endif
9661
9662 #ifdef FEAT_AUTOCMD
9663 case SPEC_AFILE: /* file name for autocommand */
9664 result = autocmd_fname;
9665 if (result != NULL && !autocmd_fname_full)
9666 {
9667 /* Still need to turn the fname into a full path. It is
9668 * postponed to avoid a delay when <afile> is not used. */
9669 autocmd_fname_full = TRUE;
9670 result = FullName_save(autocmd_fname, FALSE);
9671 vim_free(autocmd_fname);
9672 autocmd_fname = result;
9673 }
9674 if (result == NULL)
9675 {
9676 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9677 return NULL;
9678 }
9679 result = shorten_fname1(result);
9680 break;
9681
9682 case SPEC_ABUF: /* buffer number for autocommand */
9683 if (autocmd_bufnr <= 0)
9684 {
9685 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9686 return NULL;
9687 }
9688 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9689 result = strbuf;
9690 break;
9691
9692 case SPEC_AMATCH: /* match name for autocommand */
9693 result = autocmd_match;
9694 if (result == NULL)
9695 {
9696 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9697 return NULL;
9698 }
9699 break;
9700
9701 #endif
9702 case SPEC_SFILE: /* file name for ":so" command */
9703 result = sourcing_name;
9704 if (result == NULL)
9705 {
9706 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9707 return NULL;
9708 }
9709 break;
9710 #if defined(FEAT_CLIENTSERVER)
9711 case SPEC_CLIENT: /* Source of last submitted input */
9712 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9713 (long_u)clientWindow);
9714 result = strbuf;
9715 break;
9716 #endif
9717 }
9718
9719 resultlen = (int)STRLEN(result); /* length of new string */
9720 if (src[*usedlen] == '<') /* remove the file name extension */
9721 {
9722 ++*usedlen;
9723 #ifdef RISCOS
9724 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9725 #else
9726 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9727 #endif
9728 resultlen = (int)(s - result);
9729 }
9730 #ifdef FEAT_MODIFY_FNAME
9731 else if (!skip_mod)
9732 {
9733 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9734 &resultlen);
9735 if (result == NULL)
9736 {
9737 *errormsg = (char_u *)"";
9738 return NULL;
9739 }
9740 }
9741 #endif
9742 }
9743
9744 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9745 {
9746 if (valid != VALID_HEAD + VALID_PATH)
9747 /* xgettext:no-c-format */
9748 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9749 else
9750 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9751 result = NULL;
9752 }
9753 else
9754 result = vim_strnsave(result, resultlen);
9755 vim_free(resultbuf);
9756 return result;
9757 }
9758
9759 /*
9760 * Concatenate all files in the argument list, separated by spaces, and return
9761 * it in one allocated string.
9762 * Spaces and backslashes in the file names are escaped with a backslash.
9763 * Returns NULL when out of memory.
9764 */
9765 static char_u *
9766 arg_all()
9767 {
9768 int len;
9769 int idx;
9770 char_u *retval = NULL;
9771 char_u *p;
9772
9773 /*
9774 * Do this loop two times:
9775 * first time: compute the total length
9776 * second time: concatenate the names
9777 */
9778 for (;;)
9779 {
9780 len = 0;
9781 for (idx = 0; idx < ARGCOUNT; ++idx)
9782 {
9783 p = alist_name(&ARGLIST[idx]);
9784 if (p != NULL)
9785 {
9786 if (len > 0)
9787 {
9788 /* insert a space in between names */
9789 if (retval != NULL)
9790 retval[len] = ' ';
9791 ++len;
9792 }
9793 for ( ; *p != NUL; ++p)
9794 {
9795 if (*p == ' ' || *p == '\\')
9796 {
9797 /* insert a backslash */
9798 if (retval != NULL)
9799 retval[len] = '\\';
9800 ++len;
9801 }
9802 if (retval != NULL)
9803 retval[len] = *p;
9804 ++len;
9805 }
9806 }
9807 }
9808
9809 /* second time: break here */
9810 if (retval != NULL)
9811 {
9812 retval[len] = NUL;
9813 break;
9814 }
9815
9816 /* allocate memory */
9817 retval = alloc((unsigned)len + 1);
9818 if (retval == NULL)
9819 break;
9820 }
9821
9822 return retval;
9823 }
9824
9825 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9826 /*
9827 * Expand the <sfile> string in "arg".
9828 *
9829 * Returns an allocated string, or NULL for any error.
9830 */
9831 char_u *
9832 expand_sfile(arg)
9833 char_u *arg;
9834 {
9835 char_u *errormsg;
9836 int len;
9837 char_u *result;
9838 char_u *newres;
9839 char_u *repl;
9840 int srclen;
9841 char_u *p;
9842
9843 result = vim_strsave(arg);
9844 if (result == NULL)
9845 return NULL;
9846
9847 for (p = result; *p; )
9848 {
9849 if (STRNCMP(p, "<sfile>", 7) != 0)
9850 ++p;
9851 else
9852 {
9853 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9854 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9855 if (errormsg != NULL)
9856 {
9857 if (*errormsg)
9858 emsg(errormsg);
9859 vim_free(result);
9860 return NULL;
9861 }
9862 if (repl == NULL) /* no match (cannot happen) */
9863 {
9864 p += srclen;
9865 continue;
9866 }
9867 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9868 newres = alloc(len);
9869 if (newres == NULL)
9870 {
9871 vim_free(repl);
9872 vim_free(result);
9873 return NULL;
9874 }
9875 mch_memmove(newres, result, (size_t)(p - result));
9876 STRCPY(newres + (p - result), repl);
9877 len = (int)STRLEN(newres);
9878 STRCAT(newres, p + srclen);
9879 vim_free(repl);
9880 vim_free(result);
9881 result = newres;
9882 p = newres + len; /* continue after the match */
9883 }
9884 }
9885
9886 return result;
9887 }
9888 #endif
9889
9890 #ifdef FEAT_SESSION
9891 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9892 win_T *tab_firstwin));
9893 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9894 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9895 static int ses_do_frame __ARGS((frame_T *fr));
9896 static int ses_do_win __ARGS((win_T *wp));
9897 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9898 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9899 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9900
9901 /*
9902 * Write openfile commands for the current buffers to an .exrc file.
9903 * Return FAIL on error, OK otherwise.
9904 */
9905 static int
9906 makeopens(fd, dirnow)
9907 FILE *fd;
9908 char_u *dirnow; /* Current directory name */
9909 {
9910 buf_T *buf;
9911 int only_save_windows = TRUE;
9912 int nr;
9913 int cnr = 1;
9914 int restore_size = TRUE;
9915 win_T *wp;
9916 char_u *sname;
9917 win_T *edited_win = NULL;
9918 int tabnr;
9919 win_T *tab_firstwin;
9920 frame_T *tab_topframe;
9921 int cur_arg_idx = 0;
9922 int next_arg_idx = 0;
9923
9924 if (ssop_flags & SSOP_BUFFERS)
9925 only_save_windows = FALSE; /* Save ALL buffers */
9926
9927 /*
9928 * Begin by setting the this_session variable, and then other
9929 * sessionable variables.
9930 */
9931 #ifdef FEAT_EVAL
9932 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9933 return FAIL;
9934 if (ssop_flags & SSOP_GLOBALS)
9935 if (store_session_globals(fd) == FAIL)
9936 return FAIL;
9937 #endif
9938
9939 /*
9940 * Close all windows but one.
9941 */
9942 if (put_line(fd, "silent only") == FAIL)
9943 return FAIL;
9944
9945 /*
9946 * Now a :cd command to the session directory or the current directory
9947 */
9948 if (ssop_flags & SSOP_SESDIR)
9949 {
9950 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9951 == FAIL)
9952 return FAIL;
9953 }
9954 else if (ssop_flags & SSOP_CURDIR)
9955 {
9956 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9957 if (sname == NULL
9958 || fputs("cd ", fd) < 0
9959 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9960 || put_eol(fd) == FAIL)
9961 {
9962 vim_free(sname);
9963 return FAIL;
9964 }
9965 vim_free(sname);
9966 }
9967
9968 /*
9969 * If there is an empty, unnamed buffer we will wipe it out later.
9970 * Remember the buffer number.
9971 */
9972 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9973 return FAIL;
9974 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9975 return FAIL;
9976 if (put_line(fd, "endif") == FAIL)
9977 return FAIL;
9978
9979 /*
9980 * Now save the current files, current buffer first.
9981 */
9982 if (put_line(fd, "set shortmess=aoO") == FAIL)
9983 return FAIL;
9984
9985 /* Now put the other buffers into the buffer list */
9986 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9987 {
9988 if (!(only_save_windows && buf->b_nwindows == 0)
9989 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9990 && buf->b_fname != NULL
9991 && buf->b_p_bl)
9992 {
9993 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9994 : buf->b_wininfo->wi_fpos.lnum) < 0
9995 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9996 return FAIL;
9997 }
9998 }
9999
10000 /* the global argument list */
10001 if (ses_arglist(fd, "args", &global_alist.al_ga,
10002 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
10003 return FAIL;
10004
10005 if (ssop_flags & SSOP_RESIZE)
10006 {
10007 /* Note: after the restore we still check it worked!*/
10008 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
10009 || put_eol(fd) == FAIL)
10010 return FAIL;
10011 }
10012
10013 #ifdef FEAT_GUI
10014 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
10015 {
10016 int x, y;
10017
10018 if (gui_mch_get_winpos(&x, &y) == OK)
10019 {
10020 /* Note: after the restore we still check it worked!*/
10021 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10022 return FAIL;
10023 }
10024 }
10025 #endif
10026
10027 /*
10028 * May repeat putting Windows for each tab, when "tabpages" is in
10029 * 'sessionoptions'.
10030 * Don't use goto_tabpage(), it may change directory and trigger
10031 * autocommands.
10032 */
10033 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10034 tab_topframe = topframe;
10035 for (tabnr = 1; ; ++tabnr)
10036 {
10037 int need_tabnew = FALSE;
10038
10039 if ((ssop_flags & SSOP_TABPAGES))
10040 {
10041 tabpage_T *tp = find_tabpage(tabnr);
10042
10043 if (tp == NULL)
10044 break; /* done all tab pages */
10045 if (tp == curtab)
10046 {
10047 tab_firstwin = firstwin;
10048 tab_topframe = topframe;
10049 }
10050 else
10051 {
10052 tab_firstwin = tp->tp_firstwin;
10053 tab_topframe = tp->tp_topframe;
10054 }
10055 if (tabnr > 1)
10056 need_tabnew = TRUE;
10057 }
10058
10059 /*
10060 * Before creating the window layout, try loading one file. If this
10061 * is aborted we don't end up with a number of useless windows.
10062 * This may have side effects! (e.g., compressed or network file).
10063 */
10064 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10065 {
10066 if (ses_do_win(wp)
10067 && wp->w_buffer->b_ffname != NULL
10068 && !wp->w_buffer->b_help
10069 #ifdef FEAT_QUICKFIX
10070 && !bt_nofile(wp->w_buffer)
10071 #endif
10072 )
10073 {
10074 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10075 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10076 return FAIL;
10077 need_tabnew = FALSE;
10078 if (!wp->w_arg_idx_invalid)
10079 edited_win = wp;
10080 break;
10081 }
10082 }
10083
10084 /* If no file got edited create an empty tab page. */
10085 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10086 return FAIL;
10087
10088 /*
10089 * Save current window layout.
10090 */
10091 if (put_line(fd, "set splitbelow splitright") == FAIL)
10092 return FAIL;
10093 if (ses_win_rec(fd, tab_topframe) == FAIL)
10094 return FAIL;
10095 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10096 return FAIL;
10097 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10098 return FAIL;
10099
10100 /*
10101 * Check if window sizes can be restored (no windows omitted).
10102 * Remember the window number of the current window after restoring.
10103 */
10104 nr = 0;
10105 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10106 {
10107 if (ses_do_win(wp))
10108 ++nr;
10109 else
10110 restore_size = FALSE;
10111 if (curwin == wp)
10112 cnr = nr;
10113 }
10114
10115 /* Go to the first window. */
10116 if (put_line(fd, "wincmd t") == FAIL)
10117 return FAIL;
10118
10119 /*
10120 * If more than one window, see if sizes can be restored.
10121 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10122 * resized when moving between windows.
10123 * Do this before restoring the view, so that the topline and the
10124 * cursor can be set. This is done again below.
10125 */
10126 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10127 return FAIL;
10128 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10129 return FAIL;
10130
10131 /*
10132 * Restore the view of the window (options, file, cursor, etc.).
10133 */
10134 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10135 {
10136 if (!ses_do_win(wp))
10137 continue;
10138 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10139 cur_arg_idx) == FAIL)
10140 return FAIL;
10141 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10142 return FAIL;
10143 next_arg_idx = wp->w_arg_idx;
10144 }
10145
10146 /* The argument index in the first tab page is zero, need to set it in
10147 * each window. For further tab pages it's the window where we do
10148 * "tabedit". */
10149 cur_arg_idx = next_arg_idx;
10150
10151 /*
10152 * Restore cursor to the current window if it's not the first one.
10153 */
10154 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10155 || put_eol(fd) == FAIL))
10156 return FAIL;
10157
10158 /*
10159 * Restore window sizes again after jumping around in windows, because
10160 * the current window has a minimum size while others may not.
10161 */
10162 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10163 return FAIL;
10164
10165 /* Don't continue in another tab page when doing only the current one
10166 * or when at the last tab page. */
10167 if (!(ssop_flags & SSOP_TABPAGES))
10168 break;
10169 }
10170
10171 if (ssop_flags & SSOP_TABPAGES)
10172 {
10173 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10174 || put_eol(fd) == FAIL)
10175 return FAIL;
10176 }
10177
10178 /*
10179 * Wipe out an empty unnamed buffer we started in.
10180 */
10181 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10182 return FAIL;
10183 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10184 return FAIL;
10185 if (put_line(fd, "endif") == FAIL)
10186 return FAIL;
10187 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10188 return FAIL;
10189
10190 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10191 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10192 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10193 return FAIL;
10194
10195 /*
10196 * Lastly, execute the x.vim file if it exists.
10197 */
10198 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10199 || put_line(fd, "if file_readable(s:sx)") == FAIL
10200 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10201 || put_line(fd, "endif") == FAIL)
10202 return FAIL;
10203
10204 return OK;
10205 }
10206
10207 static int
10208 ses_winsizes(fd, restore_size, tab_firstwin)
10209 FILE *fd;
10210 int restore_size;
10211 win_T *tab_firstwin;
10212 {
10213 int n = 0;
10214 win_T *wp;
10215
10216 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10217 {
10218 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10219 {
10220 if (!ses_do_win(wp))
10221 continue;
10222 ++n;
10223
10224 /* restore height when not full height */
10225 if (wp->w_height + wp->w_status_height < topframe->fr_height
10226 && (fprintf(fd,
10227 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10228 n, (long)wp->w_height, Rows / 2, Rows) < 0
10229 || put_eol(fd) == FAIL))
10230 return FAIL;
10231
10232 /* restore width when not full width */
10233 if (wp->w_width < Columns && (fprintf(fd,
10234 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10235 n, (long)wp->w_width, Columns / 2, Columns) < 0
10236 || put_eol(fd) == FAIL))
10237 return FAIL;
10238 }
10239 }
10240 else
10241 {
10242 /* Just equalise window sizes */
10243 if (put_line(fd, "wincmd =") == FAIL)
10244 return FAIL;
10245 }
10246 return OK;
10247 }
10248
10249 /*
10250 * Write commands to "fd" to recursively create windows for frame "fr",
10251 * horizontally and vertically split.
10252 * After the commands the last window in the frame is the current window.
10253 * Returns FAIL when writing the commands to "fd" fails.
10254 */
10255 static int
10256 ses_win_rec(fd, fr)
10257 FILE *fd;
10258 frame_T *fr;
10259 {
10260 frame_T *frc;
10261 int count = 0;
10262
10263 if (fr->fr_layout != FR_LEAF)
10264 {
10265 /* Find first frame that's not skipped and then create a window for
10266 * each following one (first frame is already there). */
10267 frc = ses_skipframe(fr->fr_child);
10268 if (frc != NULL)
10269 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10270 {
10271 /* Make window as big as possible so that we have lots of room
10272 * to split. */
10273 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10274 || put_line(fd, fr->fr_layout == FR_COL
10275 ? "split" : "vsplit") == FAIL)
10276 return FAIL;
10277 ++count;
10278 }
10279
10280 /* Go back to the first window. */
10281 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10282 ? "%dwincmd k" : "%dwincmd h", count) < 0
10283 || put_eol(fd) == FAIL))
10284 return FAIL;
10285
10286 /* Recursively create frames/windows in each window of this column or
10287 * row. */
10288 frc = ses_skipframe(fr->fr_child);
10289 while (frc != NULL)
10290 {
10291 ses_win_rec(fd, frc);
10292 frc = ses_skipframe(frc->fr_next);
10293 /* Go to next window. */
10294 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10295 return FAIL;
10296 }
10297 }
10298 return OK;
10299 }
10300
10301 /*
10302 * Skip frames that don't contain windows we want to save in the Session.
10303 * Returns NULL when there none.
10304 */
10305 static frame_T *
10306 ses_skipframe(fr)
10307 frame_T *fr;
10308 {
10309 frame_T *frc;
10310
10311 for (frc = fr; frc != NULL; frc = frc->fr_next)
10312 if (ses_do_frame(frc))
10313 break;
10314 return frc;
10315 }
10316
10317 /*
10318 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10319 * the Session.
10320 */
10321 static int
10322 ses_do_frame(fr)
10323 frame_T *fr;
10324 {
10325 frame_T *frc;
10326
10327 if (fr->fr_layout == FR_LEAF)
10328 return ses_do_win(fr->fr_win);
10329 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10330 if (ses_do_frame(frc))
10331 return TRUE;
10332 return FALSE;
10333 }
10334
10335 /*
10336 * Return non-zero if window "wp" is to be stored in the Session.
10337 */
10338 static int
10339 ses_do_win(wp)
10340 win_T *wp;
10341 {
10342 if (wp->w_buffer->b_fname == NULL
10343 #ifdef FEAT_QUICKFIX
10344 /* When 'buftype' is "nofile" can't restore the window contents. */
10345 || bt_nofile(wp->w_buffer)
10346 #endif
10347 )
10348 return (ssop_flags & SSOP_BLANK);
10349 if (wp->w_buffer->b_help)
10350 return (ssop_flags & SSOP_HELP);
10351 return TRUE;
10352 }
10353
10354 /*
10355 * Write commands to "fd" to restore the view of a window.
10356 * Caller must make sure 'scrolloff' is zero.
10357 */
10358 static int
10359 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10360 FILE *fd;
10361 win_T *wp;
10362 int add_edit; /* add ":edit" command to view */
10363 unsigned *flagp; /* vop_flags or ssop_flags */
10364 int current_arg_idx; /* current argument index of the window, use
10365 * -1 if unknown */
10366 {
10367 win_T *save_curwin;
10368 int f;
10369 int do_cursor;
10370 int did_next = FALSE;
10371
10372 /* Always restore cursor position for ":mksession". For ":mkview" only
10373 * when 'viewoptions' contains "cursor". */
10374 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10375
10376 /*
10377 * Local argument list.
10378 */
10379 if (wp->w_alist == &global_alist)
10380 {
10381 if (put_line(fd, "argglobal") == FAIL)
10382 return FAIL;
10383 }
10384 else
10385 {
10386 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10387 flagp == &vop_flags
10388 || !(*flagp & SSOP_CURDIR)
10389 || wp->w_localdir != NULL, flagp) == FAIL)
10390 return FAIL;
10391 }
10392
10393 /* Only when part of a session: restore the argument index. Some
10394 * arguments may have been deleted, check if the index is valid. */
10395 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10396 && flagp == &ssop_flags)
10397 {
10398 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10399 || put_eol(fd) == FAIL)
10400 return FAIL;
10401 did_next = TRUE;
10402 }
10403
10404 /* Edit the file. Skip this when ":next" already did it. */
10405 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10406 {
10407 /*
10408 * Load the file.
10409 */
10410 if (wp->w_buffer->b_ffname != NULL
10411 #ifdef FEAT_QUICKFIX
10412 && !bt_nofile(wp->w_buffer)
10413 #endif
10414 )
10415 {
10416 /*
10417 * Editing a file in this buffer: use ":edit file".
10418 * This may have side effects! (e.g., compressed or network file).
10419 */
10420 if (fputs("edit ", fd) < 0
10421 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10422 return FAIL;
10423 }
10424 else
10425 {
10426 /* No file in this buffer, just make it empty. */
10427 if (put_line(fd, "enew") == FAIL)
10428 return FAIL;
10429 #ifdef FEAT_QUICKFIX
10430 if (wp->w_buffer->b_ffname != NULL)
10431 {
10432 /* The buffer does have a name, but it's not a file name. */
10433 if (fputs("file ", fd) < 0
10434 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10435 return FAIL;
10436 }
10437 #endif
10438 do_cursor = FALSE;
10439 }
10440 }
10441
10442 /*
10443 * Local mappings and abbreviations.
10444 */
10445 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10446 && makemap(fd, wp->w_buffer) == FAIL)
10447 return FAIL;
10448
10449 /*
10450 * Local options. Need to go to the window temporarily.
10451 * Store only local values when using ":mkview" and when ":mksession" is
10452 * used and 'sessionoptions' doesn't include "options".
10453 * Some folding options are always stored when "folds" is included,
10454 * otherwise the folds would not be restored correctly.
10455 */
10456 save_curwin = curwin;
10457 curwin = wp;
10458 curbuf = curwin->w_buffer;
10459 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10460 f = makeset(fd, OPT_LOCAL,
10461 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10462 #ifdef FEAT_FOLDING
10463 else if (*flagp & SSOP_FOLDS)
10464 f = makefoldset(fd);
10465 #endif
10466 else
10467 f = OK;
10468 curwin = save_curwin;
10469 curbuf = curwin->w_buffer;
10470 if (f == FAIL)
10471 return FAIL;
10472
10473 #ifdef FEAT_FOLDING
10474 /*
10475 * Save Folds when 'buftype' is empty and for help files.
10476 */
10477 if ((*flagp & SSOP_FOLDS)
10478 && wp->w_buffer->b_ffname != NULL
10479 # ifdef FEAT_QUICKFIX
10480 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10481 # endif
10482 )
10483 {
10484 if (put_folds(fd, wp) == FAIL)
10485 return FAIL;
10486 }
10487 #endif
10488
10489 /*
10490 * Set the cursor after creating folds, since that moves the cursor.
10491 */
10492 if (do_cursor)
10493 {
10494
10495 /* Restore the cursor line in the file and relatively in the
10496 * window. Don't use "G", it changes the jumplist. */
10497 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10498 (long)wp->w_cursor.lnum,
10499 (long)(wp->w_cursor.lnum - wp->w_topline),
10500 (long)wp->w_height / 2, (long)wp->w_height) < 0
10501 || put_eol(fd) == FAIL
10502 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10503 || put_line(fd, "exe s:l") == FAIL
10504 || put_line(fd, "normal! zt") == FAIL
10505 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10506 || put_eol(fd) == FAIL)
10507 return FAIL;
10508 /* Restore the cursor column and left offset when not wrapping. */
10509 if (wp->w_cursor.col == 0)
10510 {
10511 if (put_line(fd, "normal! 0") == FAIL)
10512 return FAIL;
10513 }
10514 else
10515 {
10516 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10517 {
10518 if (fprintf(fd,
10519 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10520 (long)wp->w_cursor.col,
10521 (long)(wp->w_cursor.col - wp->w_leftcol),
10522 (long)wp->w_width / 2, (long)wp->w_width) < 0
10523 || put_eol(fd) == FAIL
10524 || put_line(fd, "if s:c > 0") == FAIL
10525 || fprintf(fd,
10526 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10527 (long)wp->w_cursor.col) < 0
10528 || put_eol(fd) == FAIL
10529 || put_line(fd, "else") == FAIL
10530 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10531 || put_eol(fd) == FAIL
10532 || put_line(fd, "endif") == FAIL)
10533 return FAIL;
10534 }
10535 else
10536 {
10537 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10538 || put_eol(fd) == FAIL)
10539 return FAIL;
10540 }
10541 }
10542 }
10543
10544 /*
10545 * Local directory.
10546 */
10547 if (wp->w_localdir != NULL)
10548 {
10549 if (fputs("lcd ", fd) < 0
10550 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10551 || put_eol(fd) == FAIL)
10552 return FAIL;
10553 did_lcd = TRUE;
10554 }
10555
10556 return OK;
10557 }
10558
10559 /*
10560 * Write an argument list to the session file.
10561 * Returns FAIL if writing fails.
10562 */
10563 static int
10564 ses_arglist(fd, cmd, gap, fullname, flagp)
10565 FILE *fd;
10566 char *cmd;
10567 garray_T *gap;
10568 int fullname; /* TRUE: use full path name */
10569 unsigned *flagp;
10570 {
10571 int i;
10572 char_u buf[MAXPATHL];
10573 char_u *s;
10574
10575 if (gap->ga_len == 0)
10576 return put_line(fd, "silent! argdel *");
10577 if (fputs(cmd, fd) < 0)
10578 return FAIL;
10579 for (i = 0; i < gap->ga_len; ++i)
10580 {
10581 /* NULL file names are skipped (only happens when out of memory). */
10582 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10583 if (s != NULL)
10584 {
10585 if (fullname)
10586 {
10587 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10588 s = buf;
10589 }
10590 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10591 return FAIL;
10592 }
10593 }
10594 return put_eol(fd);
10595 }
10596
10597 /*
10598 * Write a buffer name to the session file.
10599 * Also ends the line.
10600 * Returns FAIL if writing fails.
10601 */
10602 static int
10603 ses_fname(fd, buf, flagp)
10604 FILE *fd;
10605 buf_T *buf;
10606 unsigned *flagp;
10607 {
10608 char_u *name;
10609
10610 /* Use the short file name if the current directory is known at the time
10611 * the session file will be sourced.
10612 * Don't do this for ":mkview", we don't know the current directory.
10613 * Don't do this after ":lcd", we don't keep track of what the current
10614 * directory is. */
10615 if (buf->b_sfname != NULL
10616 && flagp == &ssop_flags
10617 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10618 #ifdef FEAT_AUTOCHDIR
10619 && !p_acd
10620 #endif
10621 && !did_lcd)
10622 name = buf->b_sfname;
10623 else
10624 name = buf->b_ffname;
10625 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10626 return FAIL;
10627 return OK;
10628 }
10629
10630 /*
10631 * Write a file name to the session file.
10632 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10633 * characters.
10634 * Returns FAIL if writing fails.
10635 */
10636 static int
10637 ses_put_fname(fd, name, flagp)
10638 FILE *fd;
10639 char_u *name;
10640 unsigned *flagp;
10641 {
10642 char_u *sname;
10643 int retval = OK;
10644 int c;
10645
10646 sname = home_replace_save(NULL, name);
10647 if (sname != NULL)
10648 name = sname;
10649 while (*name != NUL)
10650 {
10651 #ifdef FEAT_MBYTE
10652 {
10653 int l;
10654
10655 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10656 {
10657 /* copy a multibyte char */
10658 while (--l >= 0)
10659 {
10660 if (putc(*name, fd) != *name)
10661 retval = FAIL;
10662 ++name;
10663 }
10664 continue;
10665 }
10666 }
10667 #endif
10668 c = *name++;
10669 if (c == '\\' && (*flagp & SSOP_SLASH))
10670 /* change a backslash to a forward slash */
10671 c = '/';
10672 else if ((vim_strchr(escape_chars, c) != NULL
10673 #ifdef BACKSLASH_IN_FILENAME
10674 && c != '\\'
10675 #endif
10676 ) || c == '#' || c == '%')
10677 {
10678 /* escape a special character with a backslash */
10679 if (putc('\\', fd) != '\\')
10680 retval = FAIL;
10681 }
10682 if (putc(c, fd) != c)
10683 retval = FAIL;
10684 }
10685 vim_free(sname);
10686 return retval;
10687 }
10688
10689 /*
10690 * ":loadview [nr]"
10691 */
10692 static void
10693 ex_loadview(eap)
10694 exarg_T *eap;
10695 {
10696 char_u *fname;
10697
10698 fname = get_view_file(*eap->arg);
10699 if (fname != NULL)
10700 {
10701 do_source(fname, FALSE, DOSO_NONE);
10702 vim_free(fname);
10703 }
10704 }
10705
10706 /*
10707 * Get the name of the view file for the current buffer.
10708 */
10709 static char_u *
10710 get_view_file(c)
10711 int c;
10712 {
10713 int len = 0;
10714 char_u *p, *s;
10715 char_u *retval;
10716 char_u *sname;
10717
10718 if (curbuf->b_ffname == NULL)
10719 {
10720 EMSG(_(e_noname));
10721 return NULL;
10722 }
10723 sname = home_replace_save(NULL, curbuf->b_ffname);
10724 if (sname == NULL)
10725 return NULL;
10726
10727 /*
10728 * We want a file name without separators, because we're not going to make
10729 * a directory.
10730 * "normal" path separator -> "=+"
10731 * "=" -> "=="
10732 * ":" path separator -> "=-"
10733 */
10734 for (p = sname; *p; ++p)
10735 if (*p == '=' || vim_ispathsep(*p))
10736 ++len;
10737 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10738 if (retval != NULL)
10739 {
10740 STRCPY(retval, p_vdir);
10741 add_pathsep(retval);
10742 s = retval + STRLEN(retval);
10743 for (p = sname; *p; ++p)
10744 {
10745 if (*p == '=')
10746 {
10747 *s++ = '=';
10748 *s++ = '=';
10749 }
10750 else if (vim_ispathsep(*p))
10751 {
10752 *s++ = '=';
10753 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10754 || defined(VMS)
10755 if (*p == ':')
10756 *s++ = '-';
10757 else
10758 #endif
10759 *s++ = '+';
10760 }
10761 else
10762 *s++ = *p;
10763 }
10764 *s++ = '=';
10765 *s++ = c;
10766 STRCPY(s, ".vim");
10767 }
10768
10769 vim_free(sname);
10770 return retval;
10771 }
10772
10773 #endif /* FEAT_SESSION */
10774
10775 /*
10776 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10777 * Return FAIL for a write error.
10778 */
10779 int
10780 put_eol(fd)
10781 FILE *fd;
10782 {
10783 if (
10784 #ifdef USE_CRNL
10785 (
10786 # ifdef MKSESSION_NL
10787 !mksession_nl &&
10788 # endif
10789 (putc('\r', fd) < 0)) ||
10790 #endif
10791 (putc('\n', fd) < 0))
10792 return FAIL;
10793 return OK;
10794 }
10795
10796 /*
10797 * Write a line to "fd".
10798 * Return FAIL for a write error.
10799 */
10800 int
10801 put_line(fd, s)
10802 FILE *fd;
10803 char *s;
10804 {
10805 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10806 return FAIL;
10807 return OK;
10808 }
10809
10810 #ifdef FEAT_VIMINFO
10811 /*
10812 * ":rviminfo" and ":wviminfo".
10813 */
10814 static void
10815 ex_viminfo(eap)
10816 exarg_T *eap;
10817 {
10818 char_u *save_viminfo;
10819
10820 save_viminfo = p_viminfo;
10821 if (*p_viminfo == NUL)
10822 p_viminfo = (char_u *)"'100";
10823 if (eap->cmdidx == CMD_rviminfo)
10824 {
10825 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10826 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10827 EMSG(_("E195: Cannot open viminfo file for reading"));
10828 }
10829 else
10830 write_viminfo(eap->arg, eap->forceit);
10831 p_viminfo = save_viminfo;
10832 }
10833 #endif
10834
10835 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10836 /*
10837 * Make a dialog message in "buff[IOSIZE]".
10838 * "format" must contain "%s".
10839 */
10840 void
10841 dialog_msg(buff, format, fname)
10842 char_u *buff;
10843 char *format;
10844 char_u *fname;
10845 {
10846 if (fname == NULL)
10847 fname = (char_u *)_("Untitled");
10848 vim_snprintf((char *)buff, IOSIZE, format, fname);
10849 }
10850 #endif
10851
10852 /*
10853 * ":behave {mswin,xterm}"
10854 */
10855 static void
10856 ex_behave(eap)
10857 exarg_T *eap;
10858 {
10859 if (STRCMP(eap->arg, "mswin") == 0)
10860 {
10861 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10862 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10863 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10864 set_option_value((char_u *)"keymodel", 0L,
10865 (char_u *)"startsel,stopsel", 0);
10866 }
10867 else if (STRCMP(eap->arg, "xterm") == 0)
10868 {
10869 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10870 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10871 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10872 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10873 }
10874 else
10875 EMSG2(_(e_invarg2), eap->arg);
10876 }
10877
10878 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
10879 /*
10880 * Function given to ExpandGeneric() to obtain the possible arguments of the
10881 * ":behave {mswin,xterm}" command.
10882 */
10883 char_u *
10884 get_behave_arg(xp, idx)
10885 expand_T *xp UNUSED;
10886 int idx;
10887 {
10888 if (idx == 0)
10889 return (char_u *)"mswin";
10890 if (idx == 1)
10891 return (char_u *)"xterm";
10892 return NULL;
10893 }
10894 #endif
10895
10896 #ifdef FEAT_AUTOCMD
10897 static int filetype_detect = FALSE;
10898 static int filetype_plugin = FALSE;
10899 static int filetype_indent = FALSE;
10900
10901 /*
10902 * ":filetype [plugin] [indent] {on,off,detect}"
10903 * on: Load the filetype.vim file to install autocommands for file types.
10904 * off: Load the ftoff.vim file to remove all autocommands for file types.
10905 * plugin on: load filetype.vim and ftplugin.vim
10906 * plugin off: load ftplugof.vim
10907 * indent on: load filetype.vim and indent.vim
10908 * indent off: load indoff.vim
10909 */
10910 static void
10911 ex_filetype(eap)
10912 exarg_T *eap;
10913 {
10914 char_u *arg = eap->arg;
10915 int plugin = FALSE;
10916 int indent = FALSE;
10917
10918 if (*eap->arg == NUL)
10919 {
10920 /* Print current status. */
10921 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10922 filetype_detect ? "ON" : "OFF",
10923 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10924 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10925 return;
10926 }
10927
10928 /* Accept "plugin" and "indent" in any order. */
10929 for (;;)
10930 {
10931 if (STRNCMP(arg, "plugin", 6) == 0)
10932 {
10933 plugin = TRUE;
10934 arg = skipwhite(arg + 6);
10935 continue;
10936 }
10937 if (STRNCMP(arg, "indent", 6) == 0)
10938 {
10939 indent = TRUE;
10940 arg = skipwhite(arg + 6);
10941 continue;
10942 }
10943 break;
10944 }
10945 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10946 {
10947 if (*arg == 'o' || !filetype_detect)
10948 {
10949 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10950 filetype_detect = TRUE;
10951 if (plugin)
10952 {
10953 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10954 filetype_plugin = TRUE;
10955 }
10956 if (indent)
10957 {
10958 source_runtime((char_u *)INDENT_FILE, TRUE);
10959 filetype_indent = TRUE;
10960 }
10961 }
10962 if (*arg == 'd')
10963 {
10964 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10965 do_modelines(0);
10966 }
10967 }
10968 else if (STRCMP(arg, "off") == 0)
10969 {
10970 if (plugin || indent)
10971 {
10972 if (plugin)
10973 {
10974 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10975 filetype_plugin = FALSE;
10976 }
10977 if (indent)
10978 {
10979 source_runtime((char_u *)INDOFF_FILE, TRUE);
10980 filetype_indent = FALSE;
10981 }
10982 }
10983 else
10984 {
10985 source_runtime((char_u *)FTOFF_FILE, TRUE);
10986 filetype_detect = FALSE;
10987 }
10988 }
10989 else
10990 EMSG2(_(e_invarg2), arg);
10991 }
10992
10993 /*
10994 * ":setfiletype {name}"
10995 */
10996 static void
10997 ex_setfiletype(eap)
10998 exarg_T *eap;
10999 {
11000 if (!did_filetype)
11001 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
11002 }
11003 #endif
11004
11005 static void
11006 ex_digraphs(eap)
11007 exarg_T *eap UNUSED;
11008 {
11009 #ifdef FEAT_DIGRAPHS
11010 if (*eap->arg != NUL)
11011 putdigraph(eap->arg);
11012 else
11013 listdigraphs();
11014 #else
11015 EMSG(_("E196: No digraphs in this version"));
11016 #endif
11017 }
11018
11019 static void
11020 ex_set(eap)
11021 exarg_T *eap;
11022 {
11023 int flags = 0;
11024
11025 if (eap->cmdidx == CMD_setlocal)
11026 flags = OPT_LOCAL;
11027 else if (eap->cmdidx == CMD_setglobal)
11028 flags = OPT_GLOBAL;
11029 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
11030 if (cmdmod.browse && flags == 0)
11031 ex_options(eap);
11032 else
11033 #endif
11034 (void)do_set(eap->arg, flags);
11035 }
11036
11037 #ifdef FEAT_SEARCH_EXTRA
11038 /*
11039 * ":nohlsearch"
11040 */
11041 static void
11042 ex_nohlsearch(eap)
11043 exarg_T *eap UNUSED;
11044 {
11045 no_hlsearch = TRUE;
11046 redraw_all_later(SOME_VALID);
11047 }
11048
11049 /*
11050 * ":[N]match {group} {pattern}"
11051 * Sets nextcmd to the start of the next command, if any. Also called when
11052 * skipping commands to find the next command.
11053 */
11054 static void
11055 ex_match(eap)
11056 exarg_T *eap;
11057 {
11058 char_u *p;
11059 char_u *g = NULL;
11060 char_u *end;
11061 int c;
11062 int id;
11063
11064 if (eap->line2 <= 3)
11065 id = eap->line2;
11066 else
11067 {
11068 EMSG(e_invcmd);
11069 return;
11070 }
11071
11072 /* First clear any old pattern. */
11073 if (!eap->skip)
11074 match_delete(curwin, id, FALSE);
11075
11076 if (ends_excmd(*eap->arg))
11077 end = eap->arg;
11078 else if ((STRNICMP(eap->arg, "none", 4) == 0
11079 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11080 end = eap->arg + 4;
11081 else
11082 {
11083 p = skiptowhite(eap->arg);
11084 if (!eap->skip)
11085 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11086 p = skipwhite(p);
11087 if (*p == NUL)
11088 {
11089 /* There must be two arguments. */
11090 EMSG2(_(e_invarg2), eap->arg);
11091 return;
11092 }
11093 end = skip_regexp(p + 1, *p, TRUE, NULL);
11094 if (!eap->skip)
11095 {
11096 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11097 {
11098 eap->errmsg = e_trailing;
11099 return;
11100 }
11101 if (*end != *p)
11102 {
11103 EMSG2(_(e_invarg2), p);
11104 return;
11105 }
11106
11107 c = *end;
11108 *end = NUL;
11109 match_add(curwin, g, p + 1, 10, id);
11110 vim_free(g);
11111 *end = c;
11112 }
11113 }
11114 eap->nextcmd = find_nextcmd(end);
11115 }
11116 #endif
11117
11118 #ifdef FEAT_CRYPT
11119 /*
11120 * ":X": Get crypt key
11121 */
11122 static void
11123 ex_X(eap)
11124 exarg_T *eap UNUSED;
11125 {
11126 (void)get_crypt_key(TRUE, TRUE);
11127 }
11128 #endif
11129
11130 #ifdef FEAT_FOLDING
11131 static void
11132 ex_fold(eap)
11133 exarg_T *eap;
11134 {
11135 if (foldManualAllowed(TRUE))
11136 foldCreate(eap->line1, eap->line2);
11137 }
11138
11139 static void
11140 ex_foldopen(eap)
11141 exarg_T *eap;
11142 {
11143 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11144 eap->forceit, FALSE);
11145 }
11146
11147 static void
11148 ex_folddo(eap)
11149 exarg_T *eap;
11150 {
11151 linenr_T lnum;
11152
11153 /* First set the marks for all lines closed/open. */
11154 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11155 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11156 ml_setmarked(lnum);
11157
11158 /* Execute the command on the marked lines. */
11159 global_exe(eap->arg);
11160 ml_clearmarked(); /* clear rest of the marks */
11161 }
11162 #endif
Vim with various extensions