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Add command line completion to :macaction command
[MacVim.git] / src / ex_docmd.c
blobf1aa113ace5a77facec0184b49a804003e246a11
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 #ifdef HAVE_FCNTL_H
17 # include <fcntl.h> /* for chdir() */
18 #endif
19
20 static int quitmore = 0;
21 static int ex_pressedreturn = FALSE;
22 #ifndef FEAT_PRINTER
23 # define ex_hardcopy ex_ni
24 #endif
25
26 #ifdef FEAT_USR_CMDS
27 typedef struct ucmd
28 {
29 char_u *uc_name; /* The command name */
30 long_u uc_argt; /* The argument type */
31 char_u *uc_rep; /* The command's replacement string */
32 long uc_def; /* The default value for a range/count */
33 scid_T uc_scriptID; /* SID where the command was defined */
34 int uc_compl; /* completion type */
35 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
36 char_u *uc_compl_arg; /* completion argument if any */
37 # endif
38 } ucmd_T;
39
40 #define UC_BUFFER 1 /* -buffer: local to current buffer */
41
42 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
43
44 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
45 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
46
47 static void do_ucmd __ARGS((exarg_T *eap));
48 static void ex_command __ARGS((exarg_T *eap));
49 static void ex_delcommand __ARGS((exarg_T *eap));
50 # ifdef FEAT_CMDL_COMPL
51 static char_u *get_user_command_name __ARGS((int idx));
52 # endif
53
54 #else
55 # define ex_command ex_ni
56 # define ex_comclear ex_ni
57 # define ex_delcommand ex_ni
58 #endif
59
60 #ifdef FEAT_EVAL
61 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
62 #else
63 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
64 static int if_level = 0; /* depth in :if */
65 #endif
66 static char_u *find_command __ARGS((exarg_T *eap, int *full));
67
68 static void ex_abbreviate __ARGS((exarg_T *eap));
69 static void ex_map __ARGS((exarg_T *eap));
70 static void ex_unmap __ARGS((exarg_T *eap));
71 static void ex_mapclear __ARGS((exarg_T *eap));
72 static void ex_abclear __ARGS((exarg_T *eap));
73 #ifndef FEAT_MENU
74 # define ex_emenu ex_ni
75 # define ex_menu ex_ni
76 # define ex_menutranslate ex_ni
77 #endif
78 #ifdef FEAT_AUTOCMD
79 static void ex_autocmd __ARGS((exarg_T *eap));
80 static void ex_doautocmd __ARGS((exarg_T *eap));
81 #else
82 # define ex_autocmd ex_ni
83 # define ex_doautocmd ex_ni
84 # define ex_doautoall ex_ni
85 #endif
86 #ifdef FEAT_LISTCMDS
87 static void ex_bunload __ARGS((exarg_T *eap));
88 static void ex_buffer __ARGS((exarg_T *eap));
89 static void ex_bmodified __ARGS((exarg_T *eap));
90 static void ex_bnext __ARGS((exarg_T *eap));
91 static void ex_bprevious __ARGS((exarg_T *eap));
92 static void ex_brewind __ARGS((exarg_T *eap));
93 static void ex_blast __ARGS((exarg_T *eap));
94 #else
95 # define ex_bunload ex_ni
96 # define ex_buffer ex_ni
97 # define ex_bmodified ex_ni
98 # define ex_bnext ex_ni
99 # define ex_bprevious ex_ni
100 # define ex_brewind ex_ni
101 # define ex_blast ex_ni
102 # define buflist_list ex_ni
103 # define ex_checktime ex_ni
104 #endif
105 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
106 # define ex_buffer_all ex_ni
107 #endif
108 static char_u *getargcmd __ARGS((char_u **));
109 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
110 static int getargopt __ARGS((exarg_T *eap));
111 #ifndef FEAT_QUICKFIX
112 # define ex_make ex_ni
113 # define ex_cbuffer ex_ni
114 # define ex_cc ex_ni
115 # define ex_cnext ex_ni
116 # define ex_cfile ex_ni
117 # define qf_list ex_ni
118 # define qf_age ex_ni
119 # define ex_helpgrep ex_ni
120 # define ex_vimgrep ex_ni
121 #endif
122 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
123 # define ex_cclose ex_ni
124 # define ex_copen ex_ni
125 # define ex_cwindow ex_ni
126 #endif
127 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
128 # define ex_cexpr ex_ni
129 #endif
130
131 static int check_more __ARGS((int, int));
132 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
133 static void get_flags __ARGS((exarg_T *eap));
134 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
135 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
136 # define HAVE_EX_SCRIPT_NI
137 static void ex_script_ni __ARGS((exarg_T *eap));
138 #endif
139 static char_u *invalid_range __ARGS((exarg_T *eap));
140 static void correct_range __ARGS((exarg_T *eap));
141 #ifdef FEAT_QUICKFIX
142 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
143 #endif
144 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
145 static void ex_highlight __ARGS((exarg_T *eap));
146 static void ex_colorscheme __ARGS((exarg_T *eap));
147 static void ex_quit __ARGS((exarg_T *eap));
148 static void ex_cquit __ARGS((exarg_T *eap));
149 static void ex_quit_all __ARGS((exarg_T *eap));
150 #ifdef FEAT_WINDOWS
151 static void ex_close __ARGS((exarg_T *eap));
152 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
153 static void ex_only __ARGS((exarg_T *eap));
154 static void ex_resize __ARGS((exarg_T *eap));
155 static void ex_stag __ARGS((exarg_T *eap));
156 static void ex_tabclose __ARGS((exarg_T *eap));
157 static void ex_tabonly __ARGS((exarg_T *eap));
158 static void ex_tabnext __ARGS((exarg_T *eap));
159 static void ex_tabmove __ARGS((exarg_T *eap));
160 static void ex_tabs __ARGS((exarg_T *eap));
161 #else
162 # define ex_close ex_ni
163 # define ex_only ex_ni
164 # define ex_all ex_ni
165 # define ex_resize ex_ni
166 # define ex_splitview ex_ni
167 # define ex_stag ex_ni
168 # define ex_tabnext ex_ni
169 # define ex_tabmove ex_ni
170 # define ex_tabs ex_ni
171 # define ex_tabclose ex_ni
172 # define ex_tabonly ex_ni
173 #endif
174 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
175 static void ex_pclose __ARGS((exarg_T *eap));
176 static void ex_ptag __ARGS((exarg_T *eap));
177 static void ex_pedit __ARGS((exarg_T *eap));
178 #else
179 # define ex_pclose ex_ni
180 # define ex_ptag ex_ni
181 # define ex_pedit ex_ni
182 #endif
183 static void ex_hide __ARGS((exarg_T *eap));
184 static void ex_stop __ARGS((exarg_T *eap));
185 static void ex_exit __ARGS((exarg_T *eap));
186 static void ex_print __ARGS((exarg_T *eap));
187 #ifdef FEAT_BYTEOFF
188 static void ex_goto __ARGS((exarg_T *eap));
189 #else
190 # define ex_goto ex_ni
191 #endif
192 static void ex_shell __ARGS((exarg_T *eap));
193 static void ex_preserve __ARGS((exarg_T *eap));
194 static void ex_recover __ARGS((exarg_T *eap));
195 #ifndef FEAT_LISTCMDS
196 # define ex_argedit ex_ni
197 # define ex_argadd ex_ni
198 # define ex_argdelete ex_ni
199 # define ex_listdo ex_ni
200 #endif
201 static void ex_mode __ARGS((exarg_T *eap));
202 static void ex_wrongmodifier __ARGS((exarg_T *eap));
203 static void ex_find __ARGS((exarg_T *eap));
204 static void ex_open __ARGS((exarg_T *eap));
205 static void ex_edit __ARGS((exarg_T *eap));
206 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
207 # define ex_drop ex_ni
208 #endif
209 #ifndef FEAT_GUI
210 # define ex_gui ex_nogui
211 static void ex_nogui __ARGS((exarg_T *eap));
212 #endif
213 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
214 static void ex_tearoff __ARGS((exarg_T *eap));
215 #else
216 # define ex_tearoff ex_ni
217 #endif
218 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
219 || defined(FEAT_GUI_MACVIM))
220 static void ex_popup __ARGS((exarg_T *eap));
221 #else
222 # define ex_popup ex_ni
223 #endif
224 #ifndef FEAT_GUI_MSWIN
225 # define ex_simalt ex_ni
226 #endif
227 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
228 # define gui_mch_find_dialog ex_ni
229 # define gui_mch_replace_dialog ex_ni
230 #endif
231 #if !defined(FEAT_GUI_GTK)
232 # define ex_helpfind ex_ni
233 #endif
234 #ifndef FEAT_CSCOPE
235 # define do_cscope ex_ni
236 # define do_scscope ex_ni
237 # define do_cstag ex_ni
238 #endif
239 #ifndef FEAT_SYN_HL
240 # define ex_syntax ex_ni
241 #endif
242 #ifndef FEAT_SPELL
243 # define ex_spell ex_ni
244 # define ex_mkspell ex_ni
245 # define ex_spelldump ex_ni
246 # define ex_spellinfo ex_ni
247 # define ex_spellrepall ex_ni
248 #endif
249 #ifndef FEAT_MZSCHEME
250 # define ex_mzscheme ex_script_ni
251 # define ex_mzfile ex_ni
252 #endif
253 #ifndef FEAT_PERL
254 # define ex_perl ex_script_ni
255 # define ex_perldo ex_ni
256 #endif
257 #ifndef FEAT_PYTHON
258 # define ex_python ex_script_ni
259 # define ex_pyfile ex_ni
260 #endif
261 #ifndef FEAT_TCL
262 # define ex_tcl ex_script_ni
263 # define ex_tcldo ex_ni
264 # define ex_tclfile ex_ni
265 #endif
266 #ifndef FEAT_RUBY
267 # define ex_ruby ex_script_ni
268 # define ex_rubydo ex_ni
269 # define ex_rubyfile ex_ni
270 #endif
271 #ifndef FEAT_SNIFF
272 # define ex_sniff ex_ni
273 #endif
274 #ifndef FEAT_KEYMAP
275 # define ex_loadkeymap ex_ni
276 #endif
277 static void ex_swapname __ARGS((exarg_T *eap));
278 static void ex_syncbind __ARGS((exarg_T *eap));
279 static void ex_read __ARGS((exarg_T *eap));
280 static void ex_pwd __ARGS((exarg_T *eap));
281 static void ex_equal __ARGS((exarg_T *eap));
282 static void ex_sleep __ARGS((exarg_T *eap));
283 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
284 static void ex_winsize __ARGS((exarg_T *eap));
285 #ifdef FEAT_WINDOWS
286 static void ex_wincmd __ARGS((exarg_T *eap));
287 #else
288 # define ex_wincmd ex_ni
289 #endif
290 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
291 static void ex_winpos __ARGS((exarg_T *eap));
292 #else
293 # define ex_winpos ex_ni
294 #endif
295 static void ex_operators __ARGS((exarg_T *eap));
296 static void ex_put __ARGS((exarg_T *eap));
297 static void ex_copymove __ARGS((exarg_T *eap));
298 static void ex_may_print __ARGS((exarg_T *eap));
299 static void ex_submagic __ARGS((exarg_T *eap));
300 static void ex_join __ARGS((exarg_T *eap));
301 static void ex_at __ARGS((exarg_T *eap));
302 static void ex_bang __ARGS((exarg_T *eap));
303 static void ex_undo __ARGS((exarg_T *eap));
304 static void ex_redo __ARGS((exarg_T *eap));
305 static void ex_later __ARGS((exarg_T *eap));
306 static void ex_redir __ARGS((exarg_T *eap));
307 static void ex_redraw __ARGS((exarg_T *eap));
308 static void ex_redrawstatus __ARGS((exarg_T *eap));
309 static void close_redir __ARGS((void));
310 static void ex_mkrc __ARGS((exarg_T *eap));
311 static void ex_mark __ARGS((exarg_T *eap));
312 #ifdef FEAT_USR_CMDS
313 static char_u *uc_fun_cmd __ARGS((void));
314 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
315 #endif
316 #ifdef FEAT_EX_EXTRA
317 static void ex_normal __ARGS((exarg_T *eap));
318 static void ex_startinsert __ARGS((exarg_T *eap));
319 static void ex_stopinsert __ARGS((exarg_T *eap));
320 #else
321 # define ex_normal ex_ni
322 # define ex_align ex_ni
323 # define ex_retab ex_ni
324 # define ex_startinsert ex_ni
325 # define ex_stopinsert ex_ni
326 # define ex_helptags ex_ni
327 # define ex_sort ex_ni
328 #endif
329 #ifdef FEAT_FIND_ID
330 static void ex_checkpath __ARGS((exarg_T *eap));
331 static void ex_findpat __ARGS((exarg_T *eap));
332 #else
333 # define ex_findpat ex_ni
334 # define ex_checkpath ex_ni
335 #endif
336 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
337 static void ex_psearch __ARGS((exarg_T *eap));
338 #else
339 # define ex_psearch ex_ni
340 #endif
341 static void ex_tag __ARGS((exarg_T *eap));
342 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
343 #ifndef FEAT_EVAL
344 # define ex_scriptnames ex_ni
345 # define ex_finish ex_ni
346 # define ex_echo ex_ni
347 # define ex_echohl ex_ni
348 # define ex_execute ex_ni
349 # define ex_call ex_ni
350 # define ex_if ex_ni
351 # define ex_endif ex_ni
352 # define ex_else ex_ni
353 # define ex_while ex_ni
354 # define ex_for ex_ni
355 # define ex_continue ex_ni
356 # define ex_break ex_ni
357 # define ex_endwhile ex_ni
358 # define ex_endfor ex_ni
359 # define ex_throw ex_ni
360 # define ex_try ex_ni
361 # define ex_catch ex_ni
362 # define ex_finally ex_ni
363 # define ex_endtry ex_ni
364 # define ex_endfunction ex_ni
365 # define ex_let ex_ni
366 # define ex_unlet ex_ni
367 # define ex_lockvar ex_ni
368 # define ex_unlockvar ex_ni
369 # define ex_function ex_ni
370 # define ex_delfunction ex_ni
371 # define ex_return ex_ni
372 #endif
373 static char_u *arg_all __ARGS((void));
374 #ifdef FEAT_SESSION
375 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
376 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
377 static void ex_loadview __ARGS((exarg_T *eap));
378 static char_u *get_view_file __ARGS((int c));
379 static int did_lcd; /* whether ":lcd" was produced for a session */
380 #else
381 # define ex_loadview ex_ni
382 #endif
383 #ifndef FEAT_EVAL
384 # define ex_compiler ex_ni
385 #endif
386 #ifdef FEAT_VIMINFO
387 static void ex_viminfo __ARGS((exarg_T *eap));
388 #else
389 # define ex_viminfo ex_ni
390 #endif
391 static void ex_behave __ARGS((exarg_T *eap));
392 #ifdef FEAT_AUTOCMD
393 static void ex_filetype __ARGS((exarg_T *eap));
394 static void ex_setfiletype __ARGS((exarg_T *eap));
395 #else
396 # define ex_filetype ex_ni
397 # define ex_setfiletype ex_ni
398 #endif
399 #ifndef FEAT_DIFF
400 # define ex_diffoff ex_ni
401 # define ex_diffpatch ex_ni
402 # define ex_diffgetput ex_ni
403 # define ex_diffsplit ex_ni
404 # define ex_diffthis ex_ni
405 # define ex_diffupdate ex_ni
406 #endif
407 static void ex_digraphs __ARGS((exarg_T *eap));
408 static void ex_set __ARGS((exarg_T *eap));
409 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
410 # define ex_options ex_ni
411 #endif
412 #ifdef FEAT_SEARCH_EXTRA
413 static void ex_nohlsearch __ARGS((exarg_T *eap));
414 static void ex_match __ARGS((exarg_T *eap));
415 #else
416 # define ex_nohlsearch ex_ni
417 # define ex_match ex_ni
418 #endif
419 #ifdef FEAT_CRYPT
420 static void ex_X __ARGS((exarg_T *eap));
421 #else
422 # define ex_X ex_ni
423 #endif
424 #ifdef FEAT_FOLDING
425 static void ex_fold __ARGS((exarg_T *eap));
426 static void ex_foldopen __ARGS((exarg_T *eap));
427 static void ex_folddo __ARGS((exarg_T *eap));
428 #else
429 # define ex_fold ex_ni
430 # define ex_foldopen ex_ni
431 # define ex_folddo ex_ni
432 #endif
433 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
434 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
435 # define ex_language ex_ni
436 #endif
437 #ifndef FEAT_SIGNS
438 # define ex_sign ex_ni
439 #endif
440 #ifndef FEAT_SUN_WORKSHOP
441 # define ex_wsverb ex_ni
442 #endif
443 #ifndef FEAT_NETBEANS_INTG
444 # define ex_nbkey ex_ni
445 #endif
446
447 #ifndef FEAT_EVAL
448 # define ex_debug ex_ni
449 # define ex_breakadd ex_ni
450 # define ex_debuggreedy ex_ni
451 # define ex_breakdel ex_ni
452 # define ex_breaklist ex_ni
453 #endif
454
455 #ifndef FEAT_CMDHIST
456 # define ex_history ex_ni
457 #endif
458 #ifndef FEAT_JUMPLIST
459 # define ex_jumps ex_ni
460 # define ex_changes ex_ni
461 #endif
462
463 #ifndef FEAT_PROFILE
464 # define ex_profile ex_ni
465 #endif
466
467 #ifndef FEAT_GUI_MACVIM
468 # define ex_macaction ex_ni
469 # define ex_macmenukey ex_ni
470 #endif
471
472 /*
473 * Declare cmdnames[].
474 */
475 #define DO_DECLARE_EXCMD
476 #include "ex_cmds.h"
477
478 /*
479 * Table used to quickly search for a command, based on its first character.
480 */
481 static cmdidx_T cmdidxs[27] =
482 {
483 CMD_append,
484 CMD_buffer,
485 CMD_change,
486 CMD_delete,
487 CMD_edit,
488 CMD_file,
489 CMD_global,
490 CMD_help,
491 CMD_insert,
492 CMD_join,
493 CMD_k,
494 CMD_list,
495 CMD_move,
496 CMD_next,
497 CMD_open,
498 CMD_print,
499 CMD_quit,
500 CMD_read,
501 CMD_substitute,
502 CMD_t,
503 CMD_undo,
504 CMD_vglobal,
505 CMD_write,
506 CMD_xit,
507 CMD_yank,
508 CMD_z,
509 CMD_bang
510 };
511
512 static char_u dollar_command[2] = {'$', 0};
513
514
515 #ifdef FEAT_EVAL
516 /* Struct for storing a line inside a while/for loop */
517 typedef struct
518 {
519 char_u *line; /* command line */
520 linenr_T lnum; /* sourcing_lnum of the line */
521 } wcmd_T;
522
523 /*
524 * Structure used to store info for line position in a while or for loop.
525 * This is required, because do_one_cmd() may invoke ex_function(), which
526 * reads more lines that may come from the while/for loop.
527 */
528 struct loop_cookie
529 {
530 garray_T *lines_gap; /* growarray with line info */
531 int current_line; /* last read line from growarray */
532 int repeating; /* TRUE when looping a second time */
533 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
534 char_u *(*getline) __ARGS((int, void *, int));
535 void *cookie;
536 };
537
538 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
539 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
540 static void free_cmdlines __ARGS((garray_T *gap));
541
542 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
543 struct dbg_stuff
544 {
545 int trylevel;
546 int force_abort;
547 except_T *caught_stack;
548 char_u *vv_exception;
549 char_u *vv_throwpoint;
550 int did_emsg;
551 int got_int;
552 int did_throw;
553 int need_rethrow;
554 int check_cstack;
555 except_T *current_exception;
556 };
557
558 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
559 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
560
561 static void
562 save_dbg_stuff(dsp)
563 struct dbg_stuff *dsp;
564 {
565 dsp->trylevel = trylevel; trylevel = 0;
566 dsp->force_abort = force_abort; force_abort = FALSE;
567 dsp->caught_stack = caught_stack; caught_stack = NULL;
568 dsp->vv_exception = v_exception(NULL);
569 dsp->vv_throwpoint = v_throwpoint(NULL);
570
571 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
572 dsp->did_emsg = did_emsg; did_emsg = FALSE;
573 dsp->got_int = got_int; got_int = FALSE;
574 dsp->did_throw = did_throw; did_throw = FALSE;
575 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
576 dsp->check_cstack = check_cstack; check_cstack = FALSE;
577 dsp->current_exception = current_exception; current_exception = NULL;
578 }
579
580 static void
581 restore_dbg_stuff(dsp)
582 struct dbg_stuff *dsp;
583 {
584 suppress_errthrow = FALSE;
585 trylevel = dsp->trylevel;
586 force_abort = dsp->force_abort;
587 caught_stack = dsp->caught_stack;
588 (void)v_exception(dsp->vv_exception);
589 (void)v_throwpoint(dsp->vv_throwpoint);
590 did_emsg = dsp->did_emsg;
591 got_int = dsp->got_int;
592 did_throw = dsp->did_throw;
593 need_rethrow = dsp->need_rethrow;
594 check_cstack = dsp->check_cstack;
595 current_exception = dsp->current_exception;
596 }
597 #endif
598
599
600 /*
601 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
602 * command is given.
603 */
604 void
605 do_exmode(improved)
606 int improved; /* TRUE for "improved Ex" mode */
607 {
608 int save_msg_scroll;
609 int prev_msg_row;
610 linenr_T prev_line;
611 int changedtick;
612
613 if (improved)
614 exmode_active = EXMODE_VIM;
615 else
616 exmode_active = EXMODE_NORMAL;
617 State = NORMAL;
618
619 /* When using ":global /pat/ visual" and then "Q" we return to continue
620 * the :global command. */
621 if (global_busy)
622 return;
623
624 save_msg_scroll = msg_scroll;
625 ++RedrawingDisabled; /* don't redisplay the window */
626 ++no_wait_return; /* don't wait for return */
627 #ifdef FEAT_GUI
628 /* Ignore scrollbar and mouse events in Ex mode */
629 ++hold_gui_events;
630 #endif
631 #ifdef FEAT_SNIFF
632 want_sniff_request = 0; /* No K_SNIFF wanted */
633 #endif
634
635 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
636 while (exmode_active)
637 {
638 #ifdef FEAT_EX_EXTRA
639 /* Check for a ":normal" command and no more characters left. */
640 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
641 {
642 exmode_active = FALSE;
643 break;
644 }
645 #endif
646 msg_scroll = TRUE;
647 need_wait_return = FALSE;
648 ex_pressedreturn = FALSE;
649 ex_no_reprint = FALSE;
650 changedtick = curbuf->b_changedtick;
651 prev_msg_row = msg_row;
652 prev_line = curwin->w_cursor.lnum;
653 #ifdef FEAT_SNIFF
654 ProcessSniffRequests();
655 #endif
656 if (improved)
657 {
658 cmdline_row = msg_row;
659 do_cmdline(NULL, getexline, NULL, 0);
660 }
661 else
662 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
663 lines_left = Rows - 1;
664
665 if ((prev_line != curwin->w_cursor.lnum
666 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
667 {
668 if (curbuf->b_ml.ml_flags & ML_EMPTY)
669 EMSG(_(e_emptybuf));
670 else
671 {
672 if (ex_pressedreturn)
673 {
674 /* go up one line, to overwrite the ":<CR>" line, so the
675 * output doesn't contain empty lines. */
676 msg_row = prev_msg_row;
677 if (prev_msg_row == Rows - 1)
678 msg_row--;
679 }
680 msg_col = 0;
681 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
682 msg_clr_eos();
683 }
684 }
685 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
686 {
687 if (curbuf->b_ml.ml_flags & ML_EMPTY)
688 EMSG(_(e_emptybuf));
689 else
690 EMSG(_("E501: At end-of-file"));
691 }
692 }
693
694 #ifdef FEAT_GUI
695 --hold_gui_events;
696 #endif
697 --RedrawingDisabled;
698 --no_wait_return;
699 update_screen(CLEAR);
700 need_wait_return = FALSE;
701 msg_scroll = save_msg_scroll;
702 }
703
704 /*
705 * Execute a simple command line. Used for translated commands like "*".
706 */
707 int
708 do_cmdline_cmd(cmd)
709 char_u *cmd;
710 {
711 return do_cmdline(cmd, NULL, NULL,
712 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
713 }
714
715 /*
716 * do_cmdline(): execute one Ex command line
717 *
718 * 1. Execute "cmdline" when it is not NULL.
719 * If "cmdline" is NULL, or more lines are needed, getline() is used.
720 * 2. Split up in parts separated with '|'.
721 *
722 * This function can be called recursively!
723 *
724 * flags:
725 * DOCMD_VERBOSE - The command will be included in the error message.
726 * DOCMD_NOWAIT - Don't call wait_return() and friends.
727 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
728 * DOCMD_KEYTYPED - Don't reset KeyTyped.
729 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
730 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
731 *
732 * return FAIL if cmdline could not be executed, OK otherwise
733 */
734 int
735 do_cmdline(cmdline, getline, cookie, flags)
736 char_u *cmdline;
737 char_u *(*getline) __ARGS((int, void *, int));
738 void *cookie; /* argument for getline() */
739 int flags;
740 {
741 char_u *next_cmdline; /* next cmd to execute */
742 char_u *cmdline_copy = NULL; /* copy of cmd line */
743 int used_getline = FALSE; /* used "getline" to obtain command */
744 static int recursive = 0; /* recursive depth */
745 int msg_didout_before_start = 0;
746 int count = 0; /* line number count */
747 int did_inc = FALSE; /* incremented RedrawingDisabled */
748 int retval = OK;
749 #ifdef FEAT_EVAL
750 struct condstack cstack; /* conditional stack */
751 garray_T lines_ga; /* keep lines for ":while"/":for" */
752 int current_line = 0; /* active line in lines_ga */
753 char_u *fname = NULL; /* function or script name */
754 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
755 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
756 struct dbg_stuff debug_saved; /* saved things for debug mode */
757 int initial_trylevel;
758 struct msglist **saved_msg_list = NULL;
759 struct msglist *private_msg_list;
760
761 /* "getline" and "cookie" passed to do_one_cmd() */
762 char_u *(*cmd_getline) __ARGS((int, void *, int));
763 void *cmd_cookie;
764 struct loop_cookie cmd_loop_cookie;
765 void *real_cookie;
766 int getline_is_func;
767 #else
768 # define cmd_getline getline
769 # define cmd_cookie cookie
770 #endif
771 static int call_depth = 0; /* recursiveness */
772
773 #ifdef FEAT_EVAL
774 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
775 * location for storing error messages to be converted to an exception.
776 * This ensures that the do_errthrow() call in do_one_cmd() does not
777 * combine the messages stored by an earlier invocation of do_one_cmd()
778 * with the command name of the later one. This would happen when
779 * BufWritePost autocommands are executed after a write error. */
780 saved_msg_list = msg_list;
781 msg_list = &private_msg_list;
782 private_msg_list = NULL;
783 #endif
784
785 /* It's possible to create an endless loop with ":execute", catch that
786 * here. The value of 200 allows nested function calls, ":source", etc. */
787 if (call_depth == 200)
788 {
789 EMSG(_("E169: Command too recursive"));
790 #ifdef FEAT_EVAL
791 /* When converting to an exception, we do not include the command name
792 * since this is not an error of the specific command. */
793 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
794 msg_list = saved_msg_list;
795 #endif
796 return FAIL;
797 }
798 ++call_depth;
799
800 #ifdef FEAT_EVAL
801 cstack.cs_idx = -1;
802 cstack.cs_looplevel = 0;
803 cstack.cs_trylevel = 0;
804 cstack.cs_emsg_silent_list = NULL;
805 cstack.cs_lflags = 0;
806 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
807
808 real_cookie = getline_cookie(getline, cookie);
809
810 /* Inside a function use a higher nesting level. */
811 getline_is_func = getline_equal(getline, cookie, get_func_line);
812 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
813 ++ex_nesting_level;
814
815 /* Get the function or script name and the address where the next breakpoint
816 * line and the debug tick for a function or script are stored. */
817 if (getline_is_func)
818 {
819 fname = func_name(real_cookie);
820 breakpoint = func_breakpoint(real_cookie);
821 dbg_tick = func_dbg_tick(real_cookie);
822 }
823 else if (getline_equal(getline, cookie, getsourceline))
824 {
825 fname = sourcing_name;
826 breakpoint = source_breakpoint(real_cookie);
827 dbg_tick = source_dbg_tick(real_cookie);
828 }
829
830 /*
831 * Initialize "force_abort" and "suppress_errthrow" at the top level.
832 */
833 if (!recursive)
834 {
835 force_abort = FALSE;
836 suppress_errthrow = FALSE;
837 }
838
839 /*
840 * If requested, store and reset the global values controlling the
841 * exception handling (used when debugging). Otherwise clear it to avoid
842 * a bogus compiler warning when the optimizer uses inline functions...
843 */
844 if (flags & DOCMD_EXCRESET)
845 save_dbg_stuff(&debug_saved);
846 else
847 memset(&debug_saved, 0, 1);
848
849 initial_trylevel = trylevel;
850
851 /*
852 * "did_throw" will be set to TRUE when an exception is being thrown.
853 */
854 did_throw = FALSE;
855 #endif
856 /*
857 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
858 * cancel the whole command line, and any if/endif or loop.
859 * If force_abort is set, we cancel everything.
860 */
861 did_emsg = FALSE;
862
863 /*
864 * KeyTyped is only set when calling vgetc(). Reset it here when not
865 * calling vgetc() (sourced command lines).
866 */
867 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
868 KeyTyped = FALSE;
869
870 /*
871 * Continue executing command lines:
872 * - when inside an ":if", ":while" or ":for"
873 * - for multiple commands on one line, separated with '|'
874 * - when repeating until there are no more lines (for ":source")
875 */
876 next_cmdline = cmdline;
877 do
878 {
879 #ifdef FEAT_EVAL
880 getline_is_func = getline_equal(getline, cookie, get_func_line);
881 #endif
882
883 /* stop skipping cmds for an error msg after all endif/while/for */
884 if (next_cmdline == NULL
885 #ifdef FEAT_EVAL
886 && !force_abort
887 && cstack.cs_idx < 0
888 && !(getline_is_func && func_has_abort(real_cookie))
889 #endif
890 )
891 did_emsg = FALSE;
892
893 /*
894 * 1. If repeating a line in a loop, get a line from lines_ga.
895 * 2. If no line given: Get an allocated line with getline().
896 * 3. If a line is given: Make a copy, so we can mess with it.
897 */
898
899 #ifdef FEAT_EVAL
900 /* 1. If repeating, get a previous line from lines_ga. */
901 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
902 {
903 /* Each '|' separated command is stored separately in lines_ga, to
904 * be able to jump to it. Don't use next_cmdline now. */
905 vim_free(cmdline_copy);
906 cmdline_copy = NULL;
907
908 /* Check if a function has returned or, unless it has an unclosed
909 * try conditional, aborted. */
910 if (getline_is_func)
911 {
912 # ifdef FEAT_PROFILE
913 if (do_profiling == PROF_YES)
914 func_line_end(real_cookie);
915 # endif
916 if (func_has_ended(real_cookie))
917 {
918 retval = FAIL;
919 break;
920 }
921 }
922 #ifdef FEAT_PROFILE
923 else if (do_profiling == PROF_YES
924 && getline_equal(getline, cookie, getsourceline))
925 script_line_end();
926 #endif
927
928 /* Check if a sourced file hit a ":finish" command. */
929 if (source_finished(getline, cookie))
930 {
931 retval = FAIL;
932 break;
933 }
934
935 /* If breakpoints have been added/deleted need to check for it. */
936 if (breakpoint != NULL && dbg_tick != NULL
937 && *dbg_tick != debug_tick)
938 {
939 *breakpoint = dbg_find_breakpoint(
940 getline_equal(getline, cookie, getsourceline),
941 fname, sourcing_lnum);
942 *dbg_tick = debug_tick;
943 }
944
945 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
946 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
947
948 /* Did we encounter a breakpoint? */
949 if (breakpoint != NULL && *breakpoint != 0
950 && *breakpoint <= sourcing_lnum)
951 {
952 dbg_breakpoint(fname, sourcing_lnum);
953 /* Find next breakpoint. */
954 *breakpoint = dbg_find_breakpoint(
955 getline_equal(getline, cookie, getsourceline),
956 fname, sourcing_lnum);
957 *dbg_tick = debug_tick;
958 }
959 # ifdef FEAT_PROFILE
960 if (do_profiling == PROF_YES)
961 {
962 if (getline_is_func)
963 func_line_start(real_cookie);
964 else if (getline_equal(getline, cookie, getsourceline))
965 script_line_start();
966 }
967 # endif
968 }
969
970 if (cstack.cs_looplevel > 0)
971 {
972 /* Inside a while/for loop we need to store the lines and use them
973 * again. Pass a different "getline" function to do_one_cmd()
974 * below, so that it stores lines in or reads them from
975 * "lines_ga". Makes it possible to define a function inside a
976 * while/for loop. */
977 cmd_getline = get_loop_line;
978 cmd_cookie = (void *)&cmd_loop_cookie;
979 cmd_loop_cookie.lines_gap = &lines_ga;
980 cmd_loop_cookie.current_line = current_line;
981 cmd_loop_cookie.getline = getline;
982 cmd_loop_cookie.cookie = cookie;
983 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
984 }
985 else
986 {
987 cmd_getline = getline;
988 cmd_cookie = cookie;
989 }
990 #endif
991
992 /* 2. If no line given, get an allocated line with getline(). */
993 if (next_cmdline == NULL)
994 {
995 /*
996 * Need to set msg_didout for the first line after an ":if",
997 * otherwise the ":if" will be overwritten.
998 */
999 if (count == 1 && getline_equal(getline, cookie, getexline))
1000 msg_didout = TRUE;
1001 if (getline == NULL || (next_cmdline = getline(':', cookie,
1002 #ifdef FEAT_EVAL
1003 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1004 #else
1005 0
1006 #endif
1007 )) == NULL)
1008 {
1009 /* Don't call wait_return for aborted command line. The NULL
1010 * returned for the end of a sourced file or executed function
1011 * doesn't do this. */
1012 if (KeyTyped && !(flags & DOCMD_REPEAT))
1013 need_wait_return = FALSE;
1014 retval = FAIL;
1015 break;
1016 }
1017 used_getline = TRUE;
1018
1019 /*
1020 * Keep the first typed line. Clear it when more lines are typed.
1021 */
1022 if (flags & DOCMD_KEEPLINE)
1023 {
1024 vim_free(repeat_cmdline);
1025 if (count == 0)
1026 repeat_cmdline = vim_strsave(next_cmdline);
1027 else
1028 repeat_cmdline = NULL;
1029 }
1030 }
1031
1032 /* 3. Make a copy of the command so we can mess with it. */
1033 else if (cmdline_copy == NULL)
1034 {
1035 next_cmdline = vim_strsave(next_cmdline);
1036 if (next_cmdline == NULL)
1037 {
1038 EMSG(_(e_outofmem));
1039 retval = FAIL;
1040 break;
1041 }
1042 }
1043 cmdline_copy = next_cmdline;
1044
1045 #ifdef FEAT_EVAL
1046 /*
1047 * Save the current line when inside a ":while" or ":for", and when
1048 * the command looks like a ":while" or ":for", because we may need it
1049 * later. When there is a '|' and another command, it is stored
1050 * separately, because we need to be able to jump back to it from an
1051 * :endwhile/:endfor.
1052 */
1053 if (current_line == lines_ga.ga_len
1054 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1055 {
1056 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1057 {
1058 retval = FAIL;
1059 break;
1060 }
1061 }
1062 did_endif = FALSE;
1063 #endif
1064
1065 if (count++ == 0)
1066 {
1067 /*
1068 * All output from the commands is put below each other, without
1069 * waiting for a return. Don't do this when executing commands
1070 * from a script or when being called recursive (e.g. for ":e
1071 * +command file").
1072 */
1073 if (!(flags & DOCMD_NOWAIT) && !recursive)
1074 {
1075 msg_didout_before_start = msg_didout;
1076 msg_didany = FALSE; /* no output yet */
1077 msg_start();
1078 msg_scroll = TRUE; /* put messages below each other */
1079 ++no_wait_return; /* dont wait for return until finished */
1080 ++RedrawingDisabled;
1081 did_inc = TRUE;
1082 }
1083 }
1084
1085 if (p_verbose >= 15 && sourcing_name != NULL)
1086 {
1087 ++no_wait_return;
1088 verbose_enter_scroll();
1089
1090 smsg((char_u *)_("line %ld: %s"),
1091 (long)sourcing_lnum, cmdline_copy);
1092 if (msg_silent == 0)
1093 msg_puts((char_u *)"\n"); /* don't overwrite this */
1094
1095 verbose_leave_scroll();
1096 --no_wait_return;
1097 }
1098
1099 /*
1100 * 2. Execute one '|' separated command.
1101 * do_one_cmd() will return NULL if there is no trailing '|'.
1102 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1103 */
1104 ++recursive;
1105 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1106 #ifdef FEAT_EVAL
1107 &cstack,
1108 #endif
1109 cmd_getline, cmd_cookie);
1110 --recursive;
1111
1112 #ifdef FEAT_EVAL
1113 if (cmd_cookie == (void *)&cmd_loop_cookie)
1114 /* Use "current_line" from "cmd_loop_cookie", it may have been
1115 * incremented when defining a function. */
1116 current_line = cmd_loop_cookie.current_line;
1117 #endif
1118
1119 if (next_cmdline == NULL)
1120 {
1121 vim_free(cmdline_copy);
1122 cmdline_copy = NULL;
1123 #ifdef FEAT_CMDHIST
1124 /*
1125 * If the command was typed, remember it for the ':' register.
1126 * Do this AFTER executing the command to make :@: work.
1127 */
1128 if (getline_equal(getline, cookie, getexline)
1129 && new_last_cmdline != NULL)
1130 {
1131 vim_free(last_cmdline);
1132 last_cmdline = new_last_cmdline;
1133 new_last_cmdline = NULL;
1134 }
1135 #endif
1136 }
1137 else
1138 {
1139 /* need to copy the command after the '|' to cmdline_copy, for the
1140 * next do_one_cmd() */
1141 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
1142 next_cmdline = cmdline_copy;
1143 }
1144
1145
1146 #ifdef FEAT_EVAL
1147 /* reset did_emsg for a function that is not aborted by an error */
1148 if (did_emsg && !force_abort
1149 && getline_equal(getline, cookie, get_func_line)
1150 && !func_has_abort(real_cookie))
1151 did_emsg = FALSE;
1152
1153 if (cstack.cs_looplevel > 0)
1154 {
1155 ++current_line;
1156
1157 /*
1158 * An ":endwhile", ":endfor" and ":continue" is handled here.
1159 * If we were executing commands, jump back to the ":while" or
1160 * ":for".
1161 * If we were not executing commands, decrement cs_looplevel.
1162 */
1163 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1164 {
1165 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1166
1167 /* Jump back to the matching ":while" or ":for". Be careful
1168 * not to use a cs_line[] from an entry that isn't a ":while"
1169 * or ":for": It would make "current_line" invalid and can
1170 * cause a crash. */
1171 if (!did_emsg && !got_int && !did_throw
1172 && cstack.cs_idx >= 0
1173 && (cstack.cs_flags[cstack.cs_idx]
1174 & (CSF_WHILE | CSF_FOR))
1175 && cstack.cs_line[cstack.cs_idx] >= 0
1176 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1177 {
1178 current_line = cstack.cs_line[cstack.cs_idx];
1179 /* remember we jumped there */
1180 cstack.cs_lflags |= CSL_HAD_LOOP;
1181 line_breakcheck(); /* check if CTRL-C typed */
1182
1183 /* Check for the next breakpoint at or after the ":while"
1184 * or ":for". */
1185 if (breakpoint != NULL)
1186 {
1187 *breakpoint = dbg_find_breakpoint(
1188 getline_equal(getline, cookie, getsourceline),
1189 fname,
1190 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1191 *dbg_tick = debug_tick;
1192 }
1193 }
1194 else
1195 {
1196 /* can only get here with ":endwhile" or ":endfor" */
1197 if (cstack.cs_idx >= 0)
1198 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1199 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1200 }
1201 }
1202
1203 /*
1204 * For a ":while" or ":for" we need to remember the line number.
1205 */
1206 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1207 {
1208 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1209 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1210 }
1211 }
1212
1213 /*
1214 * When not inside any ":while" loop, clear remembered lines.
1215 */
1216 if (cstack.cs_looplevel == 0)
1217 {
1218 if (lines_ga.ga_len > 0)
1219 {
1220 sourcing_lnum =
1221 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1222 free_cmdlines(&lines_ga);
1223 }
1224 current_line = 0;
1225 }
1226
1227 /*
1228 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1229 * being restored at the ":endtry". Reset them here and set the
1230 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1231 * This includes the case where a missing ":endif", ":endwhile" or
1232 * ":endfor" was detected by the ":finally" itself.
1233 */
1234 if (cstack.cs_lflags & CSL_HAD_FINA)
1235 {
1236 cstack.cs_lflags &= ~CSL_HAD_FINA;
1237 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1238 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1239 did_throw ? (void *)current_exception : NULL);
1240 did_emsg = got_int = did_throw = FALSE;
1241 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1242 }
1243
1244 /* Update global "trylevel" for recursive calls to do_cmdline() from
1245 * within this loop. */
1246 trylevel = initial_trylevel + cstack.cs_trylevel;
1247
1248 /*
1249 * If the outermost try conditional (across function calls and sourced
1250 * files) is aborted because of an error, an interrupt, or an uncaught
1251 * exception, cancel everything. If it is left normally, reset
1252 * force_abort to get the non-EH compatible abortion behavior for
1253 * the rest of the script.
1254 */
1255 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1256 force_abort = FALSE;
1257
1258 /* Convert an interrupt to an exception if appropriate. */
1259 (void)do_intthrow(&cstack);
1260 #endif /* FEAT_EVAL */
1261
1262 }
1263 /*
1264 * Continue executing command lines when:
1265 * - no CTRL-C typed, no aborting error, no exception thrown or try
1266 * conditionals need to be checked for executing finally clauses or
1267 * catching an interrupt exception
1268 * - didn't get an error message or lines are not typed
1269 * - there is a command after '|', inside a :if, :while, :for or :try, or
1270 * looping for ":source" command or function call.
1271 */
1272 while (!((got_int
1273 #ifdef FEAT_EVAL
1274 || (did_emsg && force_abort) || did_throw
1275 #endif
1276 )
1277 #ifdef FEAT_EVAL
1278 && cstack.cs_trylevel == 0
1279 #endif
1280 )
1281 && !(did_emsg && used_getline
1282 && (getline_equal(getline, cookie, getexmodeline)
1283 || getline_equal(getline, cookie, getexline)))
1284 && (next_cmdline != NULL
1285 #ifdef FEAT_EVAL
1286 || cstack.cs_idx >= 0
1287 #endif
1288 || (flags & DOCMD_REPEAT)));
1289
1290 vim_free(cmdline_copy);
1291 #ifdef FEAT_EVAL
1292 free_cmdlines(&lines_ga);
1293 ga_clear(&lines_ga);
1294
1295 if (cstack.cs_idx >= 0)
1296 {
1297 /*
1298 * If a sourced file or executed function ran to its end, report the
1299 * unclosed conditional.
1300 */
1301 if (!got_int && !did_throw
1302 && ((getline_equal(getline, cookie, getsourceline)
1303 && !source_finished(getline, cookie))
1304 || (getline_equal(getline, cookie, get_func_line)
1305 && !func_has_ended(real_cookie))))
1306 {
1307 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1308 EMSG(_(e_endtry));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1310 EMSG(_(e_endwhile));
1311 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1312 EMSG(_(e_endfor));
1313 else
1314 EMSG(_(e_endif));
1315 }
1316
1317 /*
1318 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1319 * ":endtry" in a sourced file or executed function. If the try
1320 * conditional is in its finally clause, ignore anything pending.
1321 * If it is in a catch clause, finish the caught exception.
1322 * Also cleanup any "cs_forinfo" structures.
1323 */
1324 do
1325 {
1326 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1327
1328 if (idx >= 0)
1329 --idx; /* remove try block not in its finally clause */
1330 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1331 &cstack.cs_looplevel);
1332 }
1333 while (cstack.cs_idx >= 0);
1334 trylevel = initial_trylevel;
1335 }
1336
1337 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1338 * lack was reported above and the error message is to be converted to an
1339 * exception, do this now after rewinding the cstack. */
1340 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1341 ? (char_u *)"endfunction" : (char_u *)NULL);
1342
1343 if (trylevel == 0)
1344 {
1345 /*
1346 * When an exception is being thrown out of the outermost try
1347 * conditional, discard the uncaught exception, disable the conversion
1348 * of interrupts or errors to exceptions, and ensure that no more
1349 * commands are executed.
1350 */
1351 if (did_throw)
1352 {
1353 void *p = NULL;
1354 char_u *saved_sourcing_name;
1355 int saved_sourcing_lnum;
1356 struct msglist *messages = NULL, *next;
1357
1358 /*
1359 * If the uncaught exception is a user exception, report it as an
1360 * error. If it is an error exception, display the saved error
1361 * message now. For an interrupt exception, do nothing; the
1362 * interrupt message is given elsewhere.
1363 */
1364 switch (current_exception->type)
1365 {
1366 case ET_USER:
1367 vim_snprintf((char *)IObuff, IOSIZE,
1368 _("E605: Exception not caught: %s"),
1369 current_exception->value);
1370 p = vim_strsave(IObuff);
1371 break;
1372 case ET_ERROR:
1373 messages = current_exception->messages;
1374 current_exception->messages = NULL;
1375 break;
1376 case ET_INTERRUPT:
1377 break;
1378 default:
1379 p = vim_strsave((char_u *)_(e_internal));
1380 }
1381
1382 saved_sourcing_name = sourcing_name;
1383 saved_sourcing_lnum = sourcing_lnum;
1384 sourcing_name = current_exception->throw_name;
1385 sourcing_lnum = current_exception->throw_lnum;
1386 current_exception->throw_name = NULL;
1387
1388 discard_current_exception(); /* uses IObuff if 'verbose' */
1389 suppress_errthrow = TRUE;
1390 force_abort = TRUE;
1391
1392 if (messages != NULL)
1393 {
1394 do
1395 {
1396 next = messages->next;
1397 emsg(messages->msg);
1398 vim_free(messages->msg);
1399 vim_free(messages);
1400 messages = next;
1401 }
1402 while (messages != NULL);
1403 }
1404 else if (p != NULL)
1405 {
1406 emsg(p);
1407 vim_free(p);
1408 }
1409 vim_free(sourcing_name);
1410 sourcing_name = saved_sourcing_name;
1411 sourcing_lnum = saved_sourcing_lnum;
1412 }
1413
1414 /*
1415 * On an interrupt or an aborting error not converted to an exception,
1416 * disable the conversion of errors to exceptions. (Interrupts are not
1417 * converted any more, here.) This enables also the interrupt message
1418 * when force_abort is set and did_emsg unset in case of an interrupt
1419 * from a finally clause after an error.
1420 */
1421 else if (got_int || (did_emsg && force_abort))
1422 suppress_errthrow = TRUE;
1423 }
1424
1425 /*
1426 * The current cstack will be freed when do_cmdline() returns. An uncaught
1427 * exception will have to be rethrown in the previous cstack. If a function
1428 * has just returned or a script file was just finished and the previous
1429 * cstack belongs to the same function or, respectively, script file, it
1430 * will have to be checked for finally clauses to be executed due to the
1431 * ":return" or ":finish". This is done in do_one_cmd().
1432 */
1433 if (did_throw)
1434 need_rethrow = TRUE;
1435 if ((getline_equal(getline, cookie, getsourceline)
1436 && ex_nesting_level > source_level(real_cookie))
1437 || (getline_equal(getline, cookie, get_func_line)
1438 && ex_nesting_level > func_level(real_cookie) + 1))
1439 {
1440 if (!did_throw)
1441 check_cstack = TRUE;
1442 }
1443 else
1444 {
1445 /* When leaving a function, reduce nesting level. */
1446 if (getline_equal(getline, cookie, get_func_line))
1447 --ex_nesting_level;
1448 /*
1449 * Go to debug mode when returning from a function in which we are
1450 * single-stepping.
1451 */
1452 if ((getline_equal(getline, cookie, getsourceline)
1453 || getline_equal(getline, cookie, get_func_line))
1454 && ex_nesting_level + 1 <= debug_break_level)
1455 do_debug(getline_equal(getline, cookie, getsourceline)
1456 ? (char_u *)_("End of sourced file")
1457 : (char_u *)_("End of function"));
1458 }
1459
1460 /*
1461 * Restore the exception environment (done after returning from the
1462 * debugger).
1463 */
1464 if (flags & DOCMD_EXCRESET)
1465 restore_dbg_stuff(&debug_saved);
1466
1467 msg_list = saved_msg_list;
1468 #endif /* FEAT_EVAL */
1469
1470 /*
1471 * If there was too much output to fit on the command line, ask the user to
1472 * hit return before redrawing the screen. With the ":global" command we do
1473 * this only once after the command is finished.
1474 */
1475 if (did_inc)
1476 {
1477 --RedrawingDisabled;
1478 --no_wait_return;
1479 msg_scroll = FALSE;
1480
1481 /*
1482 * When just finished an ":if"-":else" which was typed, no need to
1483 * wait for hit-return. Also for an error situation.
1484 */
1485 if (retval == FAIL
1486 #ifdef FEAT_EVAL
1487 || (did_endif && KeyTyped && !did_emsg)
1488 #endif
1489 )
1490 {
1491 need_wait_return = FALSE;
1492 msg_didany = FALSE; /* don't wait when restarting edit */
1493 }
1494 else if (need_wait_return)
1495 {
1496 /*
1497 * The msg_start() above clears msg_didout. The wait_return we do
1498 * here should not overwrite the command that may be shown before
1499 * doing that.
1500 */
1501 msg_didout |= msg_didout_before_start;
1502 wait_return(FALSE);
1503 }
1504 }
1505
1506 #ifndef FEAT_EVAL
1507 /*
1508 * Reset if_level, in case a sourced script file contains more ":if" than
1509 * ":endif" (could be ":if x | foo | endif").
1510 */
1511 if_level = 0;
1512 #endif
1513
1514 --call_depth;
1515 return retval;
1516 }
1517
1518 #ifdef FEAT_EVAL
1519 /*
1520 * Obtain a line when inside a ":while" or ":for" loop.
1521 */
1522 static char_u *
1523 get_loop_line(c, cookie, indent)
1524 int c;
1525 void *cookie;
1526 int indent;
1527 {
1528 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1529 wcmd_T *wp;
1530 char_u *line;
1531
1532 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1533 {
1534 if (cp->repeating)
1535 return NULL; /* trying to read past ":endwhile"/":endfor" */
1536
1537 /* First time inside the ":while"/":for": get line normally. */
1538 if (cp->getline == NULL)
1539 line = getcmdline(c, 0L, indent);
1540 else
1541 line = cp->getline(c, cp->cookie, indent);
1542 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1543 ++cp->current_line;
1544
1545 return line;
1546 }
1547
1548 KeyTyped = FALSE;
1549 ++cp->current_line;
1550 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1551 sourcing_lnum = wp->lnum;
1552 return vim_strsave(wp->line);
1553 }
1554
1555 /*
1556 * Store a line in "gap" so that a ":while" loop can execute it again.
1557 */
1558 static int
1559 store_loop_line(gap, line)
1560 garray_T *gap;
1561 char_u *line;
1562 {
1563 if (ga_grow(gap, 1) == FAIL)
1564 return FAIL;
1565 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1566 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1567 ++gap->ga_len;
1568 return OK;
1569 }
1570
1571 /*
1572 * Free the lines stored for a ":while" or ":for" loop.
1573 */
1574 static void
1575 free_cmdlines(gap)
1576 garray_T *gap;
1577 {
1578 while (gap->ga_len > 0)
1579 {
1580 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1581 --gap->ga_len;
1582 }
1583 }
1584 #endif
1585
1586 /*
1587 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1588 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1589 */
1590 /*ARGSUSED*/
1591 int
1592 getline_equal(fgetline, cookie, func)
1593 char_u *(*fgetline) __ARGS((int, void *, int));
1594 void *cookie; /* argument for fgetline() */
1595 char_u *(*func) __ARGS((int, void *, int));
1596 {
1597 #ifdef FEAT_EVAL
1598 char_u *(*gp) __ARGS((int, void *, int));
1599 struct loop_cookie *cp;
1600
1601 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1602 * function that's originally used to obtain the lines. This may be
1603 * nested several levels. */
1604 gp = fgetline;
1605 cp = (struct loop_cookie *)cookie;
1606 while (gp == get_loop_line)
1607 {
1608 gp = cp->getline;
1609 cp = cp->cookie;
1610 }
1611 return gp == func;
1612 #else
1613 return fgetline == func;
1614 #endif
1615 }
1616
1617 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1618 /*
1619 * If "fgetline" is get_loop_line(), return the cookie used by the original
1620 * getline function. Otherwise return "cookie".
1621 */
1622 /*ARGSUSED*/
1623 void *
1624 getline_cookie(fgetline, cookie)
1625 char_u *(*fgetline) __ARGS((int, void *, int));
1626 void *cookie; /* argument for fgetline() */
1627 {
1628 # ifdef FEAT_EVAL
1629 char_u *(*gp) __ARGS((int, void *, int));
1630 struct loop_cookie *cp;
1631
1632 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1633 * cookie that's originally used to obtain the lines. This may be nested
1634 * several levels. */
1635 gp = fgetline;
1636 cp = (struct loop_cookie *)cookie;
1637 while (gp == get_loop_line)
1638 {
1639 gp = cp->getline;
1640 cp = cp->cookie;
1641 }
1642 return cp;
1643 # else
1644 return cookie;
1645 # endif
1646 }
1647 #endif
1648
1649 /*
1650 * Execute one Ex command.
1651 *
1652 * If 'sourcing' is TRUE, the command will be included in the error message.
1653 *
1654 * 1. skip comment lines and leading space
1655 * 2. handle command modifiers
1656 * 3. parse range
1657 * 4. parse command
1658 * 5. parse arguments
1659 * 6. switch on command name
1660 *
1661 * Note: "fgetline" can be NULL.
1662 *
1663 * This function may be called recursively!
1664 */
1665 #if (_MSC_VER == 1200)
1666 /*
1667 * Avoid optimisation bug in VC++ version 6.0
1668 */
1669 #pragma optimize( "g", off )
1670 #endif
1671 static char_u *
1672 do_one_cmd(cmdlinep, sourcing,
1673 #ifdef FEAT_EVAL
1674 cstack,
1675 #endif
1676 fgetline, cookie)
1677 char_u **cmdlinep;
1678 int sourcing;
1679 #ifdef FEAT_EVAL
1680 struct condstack *cstack;
1681 #endif
1682 char_u *(*fgetline) __ARGS((int, void *, int));
1683 void *cookie; /* argument for fgetline() */
1684 {
1685 char_u *p;
1686 linenr_T lnum;
1687 long n;
1688 char_u *errormsg = NULL; /* error message */
1689 exarg_T ea; /* Ex command arguments */
1690 long verbose_save = -1;
1691 int save_msg_scroll = 0;
1692 int did_silent = 0;
1693 int did_esilent = 0;
1694 #ifdef HAVE_SANDBOX
1695 int did_sandbox = FALSE;
1696 #endif
1697 cmdmod_T save_cmdmod;
1698 int ni; /* set when Not Implemented */
1699
1700 vim_memset(&ea, 0, sizeof(ea));
1701 ea.line1 = 1;
1702 ea.line2 = 1;
1703 #ifdef FEAT_EVAL
1704 ++ex_nesting_level;
1705 #endif
1706
1707 /* when not editing the last file :q has to be typed twice */
1708 if (quitmore
1709 #ifdef FEAT_EVAL
1710 /* avoid that a function call in 'statusline' does this */
1711 && !getline_equal(fgetline, cookie, get_func_line)
1712 #endif
1713 )
1714 --quitmore;
1715
1716 /*
1717 * Reset browse, confirm, etc.. They are restored when returning, for
1718 * recursive calls.
1719 */
1720 save_cmdmod = cmdmod;
1721 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1722
1723 /* "#!anything" is handled like a comment. */
1724 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1725 goto doend;
1726
1727 /*
1728 * Repeat until no more command modifiers are found.
1729 */
1730 ea.cmd = *cmdlinep;
1731 for (;;)
1732 {
1733 /*
1734 * 1. skip comment lines and leading white space and colons
1735 */
1736 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1737 ++ea.cmd;
1738
1739 /* in ex mode, an empty line works like :+ */
1740 if (*ea.cmd == NUL && exmode_active
1741 && (getline_equal(fgetline, cookie, getexmodeline)
1742 || getline_equal(fgetline, cookie, getexline))
1743 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1744 {
1745 ea.cmd = (char_u *)"+";
1746 ex_pressedreturn = TRUE;
1747 }
1748
1749 /* ignore comment and empty lines */
1750 if (*ea.cmd == '"')
1751 goto doend;
1752 if (*ea.cmd == NUL)
1753 {
1754 ex_pressedreturn = TRUE;
1755 goto doend;
1756 }
1757
1758 /*
1759 * 2. handle command modifiers.
1760 */
1761 p = ea.cmd;
1762 if (VIM_ISDIGIT(*ea.cmd))
1763 p = skipwhite(skipdigits(ea.cmd));
1764 switch (*p)
1765 {
1766 /* When adding an entry, also modify cmd_exists(). */
1767 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1768 break;
1769 #ifdef FEAT_WINDOWS
1770 cmdmod.split |= WSP_ABOVE;
1771 #endif
1772 continue;
1773
1774 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1775 {
1776 #ifdef FEAT_WINDOWS
1777 cmdmod.split |= WSP_BELOW;
1778 #endif
1779 continue;
1780 }
1781 if (checkforcmd(&ea.cmd, "browse", 3))
1782 {
1783 #ifdef FEAT_BROWSE
1784 cmdmod.browse = TRUE;
1785 #endif
1786 continue;
1787 }
1788 if (!checkforcmd(&ea.cmd, "botright", 2))
1789 break;
1790 #ifdef FEAT_WINDOWS
1791 cmdmod.split |= WSP_BOT;
1792 #endif
1793 continue;
1794
1795 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1796 break;
1797 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1798 cmdmod.confirm = TRUE;
1799 #endif
1800 continue;
1801
1802 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1803 {
1804 cmdmod.keepmarks = TRUE;
1805 continue;
1806 }
1807 if (checkforcmd(&ea.cmd, "keepalt", 5))
1808 {
1809 cmdmod.keepalt = TRUE;
1810 continue;
1811 }
1812 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1813 break;
1814 cmdmod.keepjumps = TRUE;
1815 continue;
1816
1817 /* ":hide" and ":hide | cmd" are not modifiers */
1818 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1819 || *p == NUL || ends_excmd(*p))
1820 break;
1821 ea.cmd = p;
1822 cmdmod.hide = TRUE;
1823 continue;
1824
1825 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1826 {
1827 cmdmod.lockmarks = TRUE;
1828 continue;
1829 }
1830
1831 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1832 break;
1833 #ifdef FEAT_WINDOWS
1834 cmdmod.split |= WSP_ABOVE;
1835 #endif
1836 continue;
1837
1838 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1839 break;
1840 #ifdef FEAT_AUTOCMD
1841 if (cmdmod.save_ei == NULL)
1842 {
1843 /* Set 'eventignore' to "all". Restore the
1844 * existing option value later. */
1845 cmdmod.save_ei = vim_strsave(p_ei);
1846 set_string_option_direct((char_u *)"ei", -1,
1847 (char_u *)"all", OPT_FREE, SID_NONE);
1848 }
1849 #endif
1850 continue;
1851
1852 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1853 break;
1854 #ifdef FEAT_WINDOWS
1855 cmdmod.split |= WSP_BELOW;
1856 #endif
1857 continue;
1858
1859 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1860 {
1861 #ifdef HAVE_SANDBOX
1862 if (!did_sandbox)
1863 ++sandbox;
1864 did_sandbox = TRUE;
1865 #endif
1866 continue;
1867 }
1868 if (!checkforcmd(&ea.cmd, "silent", 3))
1869 break;
1870 ++did_silent;
1871 ++msg_silent;
1872 save_msg_scroll = msg_scroll;
1873 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1874 {
1875 /* ":silent!", but not "silent !cmd" */
1876 ea.cmd = skipwhite(ea.cmd + 1);
1877 ++emsg_silent;
1878 ++did_esilent;
1879 }
1880 continue;
1881
1882 case 't': if (checkforcmd(&p, "tab", 3))
1883 {
1884 #ifdef FEAT_WINDOWS
1885 if (vim_isdigit(*ea.cmd))
1886 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1887 else
1888 cmdmod.tab = tabpage_index(curtab) + 1;
1889 ea.cmd = p;
1890 #endif
1891 continue;
1892 }
1893 if (!checkforcmd(&ea.cmd, "topleft", 2))
1894 break;
1895 #ifdef FEAT_WINDOWS
1896 cmdmod.split |= WSP_TOP;
1897 #endif
1898 continue;
1899
1900 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1901 {
1902 #ifdef FEAT_VERTSPLIT
1903 cmdmod.split |= WSP_VERT;
1904 #endif
1905 continue;
1906 }
1907 if (!checkforcmd(&p, "verbose", 4))
1908 break;
1909 if (verbose_save < 0)
1910 verbose_save = p_verbose;
1911 if (vim_isdigit(*ea.cmd))
1912 p_verbose = atoi((char *)ea.cmd);
1913 else
1914 p_verbose = 1;
1915 ea.cmd = p;
1916 continue;
1917 }
1918 break;
1919 }
1920
1921 #ifdef FEAT_EVAL
1922 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1923 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1924 #else
1925 ea.skip = (if_level > 0);
1926 #endif
1927
1928 #ifdef FEAT_EVAL
1929 # ifdef FEAT_PROFILE
1930 /* Count this line for profiling if ea.skip is FALSE. */
1931 if (do_profiling == PROF_YES && !ea.skip)
1932 {
1933 if (getline_equal(fgetline, cookie, get_func_line))
1934 func_line_exec(getline_cookie(fgetline, cookie));
1935 else if (getline_equal(fgetline, cookie, getsourceline))
1936 script_line_exec();
1937 }
1938 #endif
1939
1940 /* May go to debug mode. If this happens and the ">quit" debug command is
1941 * used, throw an interrupt exception and skip the next command. */
1942 dbg_check_breakpoint(&ea);
1943 if (!ea.skip && got_int)
1944 {
1945 ea.skip = TRUE;
1946 (void)do_intthrow(cstack);
1947 }
1948 #endif
1949
1950 /*
1951 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1952 *
1953 * where 'addr' is:
1954 *
1955 * % (entire file)
1956 * $ [+-NUM]
1957 * 'x [+-NUM] (where x denotes a currently defined mark)
1958 * . [+-NUM]
1959 * [+-NUM]..
1960 * NUM
1961 *
1962 * The ea.cmd pointer is updated to point to the first character following the
1963 * range spec. If an initial address is found, but no second, the upper bound
1964 * is equal to the lower.
1965 */
1966
1967 /* repeat for all ',' or ';' separated addresses */
1968 for (;;)
1969 {
1970 ea.line1 = ea.line2;
1971 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1972 ea.cmd = skipwhite(ea.cmd);
1973 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1974 if (ea.cmd == NULL) /* error detected */
1975 goto doend;
1976 if (lnum == MAXLNUM)
1977 {
1978 if (*ea.cmd == '%') /* '%' - all lines */
1979 {
1980 ++ea.cmd;
1981 ea.line1 = 1;
1982 ea.line2 = curbuf->b_ml.ml_line_count;
1983 ++ea.addr_count;
1984 }
1985 /* '*' - visual area */
1986 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1987 {
1988 pos_T *fp;
1989
1990 ++ea.cmd;
1991 if (!ea.skip)
1992 {
1993 fp = getmark('<', FALSE);
1994 if (check_mark(fp) == FAIL)
1995 goto doend;
1996 ea.line1 = fp->lnum;
1997 fp = getmark('>', FALSE);
1998 if (check_mark(fp) == FAIL)
1999 goto doend;
2000 ea.line2 = fp->lnum;
2001 ++ea.addr_count;
2002 }
2003 }
2004 }
2005 else
2006 ea.line2 = lnum;
2007 ea.addr_count++;
2008
2009 if (*ea.cmd == ';')
2010 {
2011 if (!ea.skip)
2012 curwin->w_cursor.lnum = ea.line2;
2013 }
2014 else if (*ea.cmd != ',')
2015 break;
2016 ++ea.cmd;
2017 }
2018
2019 /* One address given: set start and end lines */
2020 if (ea.addr_count == 1)
2021 {
2022 ea.line1 = ea.line2;
2023 /* ... but only implicit: really no address given */
2024 if (lnum == MAXLNUM)
2025 ea.addr_count = 0;
2026 }
2027
2028 /* Don't leave the cursor on an illegal line (caused by ';') */
2029 check_cursor_lnum();
2030
2031 /*
2032 * 4. parse command
2033 */
2034
2035 /*
2036 * Skip ':' and any white space
2037 */
2038 ea.cmd = skipwhite(ea.cmd);
2039 while (*ea.cmd == ':')
2040 ea.cmd = skipwhite(ea.cmd + 1);
2041
2042 /*
2043 * If we got a line, but no command, then go to the line.
2044 * If we find a '|' or '\n' we set ea.nextcmd.
2045 */
2046 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2047 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2048 {
2049 /*
2050 * strange vi behaviour:
2051 * ":3" jumps to line 3
2052 * ":3|..." prints line 3
2053 * ":|" prints current line
2054 */
2055 if (ea.skip) /* skip this if inside :if */
2056 goto doend;
2057 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2058 {
2059 ea.cmdidx = CMD_print;
2060 ea.argt = RANGE+COUNT+TRLBAR;
2061 if ((errormsg = invalid_range(&ea)) == NULL)
2062 {
2063 correct_range(&ea);
2064 ex_print(&ea);
2065 }
2066 }
2067 else if (ea.addr_count != 0)
2068 {
2069 if (ea.line2 > curbuf->b_ml.ml_line_count)
2070 {
2071 /* With '-' in 'cpoptions' a line number past the file is an
2072 * error, otherwise put it at the end of the file. */
2073 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2074 ea.line2 = -1;
2075 else
2076 ea.line2 = curbuf->b_ml.ml_line_count;
2077 }
2078
2079 if (ea.line2 < 0)
2080 errormsg = (char_u *)_(e_invrange);
2081 else
2082 {
2083 if (ea.line2 == 0)
2084 curwin->w_cursor.lnum = 1;
2085 else
2086 curwin->w_cursor.lnum = ea.line2;
2087 beginline(BL_SOL | BL_FIX);
2088 }
2089 }
2090 goto doend;
2091 }
2092
2093 /* Find the command and let "p" point to after it. */
2094 p = find_command(&ea, NULL);
2095
2096 #ifdef FEAT_USR_CMDS
2097 if (p == NULL)
2098 {
2099 if (!ea.skip)
2100 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2101 goto doend;
2102 }
2103 /* Check for wrong commands. */
2104 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2105 {
2106 errormsg = uc_fun_cmd();
2107 goto doend;
2108 }
2109 #endif
2110 if (ea.cmdidx == CMD_SIZE)
2111 {
2112 if (!ea.skip)
2113 {
2114 STRCPY(IObuff, _("E492: Not an editor command"));
2115 if (!sourcing)
2116 {
2117 STRCAT(IObuff, ": ");
2118 STRNCAT(IObuff, *cmdlinep, 40);
2119 }
2120 errormsg = IObuff;
2121 }
2122 goto doend;
2123 }
2124
2125 ni = (
2126 #ifdef FEAT_USR_CMDS
2127 !USER_CMDIDX(ea.cmdidx) &&
2128 #endif
2129 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2130 #ifdef HAVE_EX_SCRIPT_NI
2131 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2132 #endif
2133 ));
2134
2135 #ifndef FEAT_EVAL
2136 /*
2137 * When the expression evaluation is disabled, recognize the ":if" and
2138 * ":endif" commands and ignore everything in between it.
2139 */
2140 if (ea.cmdidx == CMD_if)
2141 ++if_level;
2142 if (if_level)
2143 {
2144 if (ea.cmdidx == CMD_endif)
2145 --if_level;
2146 goto doend;
2147 }
2148
2149 #endif
2150
2151 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
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 mch_memmove(p, p + 1, STRLEN(p));
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 (did_silent > 0)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 msg_silent -= did_silent;
2701 if (msg_silent < 0)
2702 msg_silent = 0;
2703 emsg_silent -= did_esilent;
2704 if (emsg_silent < 0)
2705 emsg_silent = 0;
2706 /* Restore msg_scroll, it's set by file I/O commands, even when no
2707 * message is actually displayed. */
2708 msg_scroll = save_msg_scroll;
2709 }
2710
2711 #ifdef HAVE_SANDBOX
2712 if (did_sandbox)
2713 --sandbox;
2714 #endif
2715
2716 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2717 ea.nextcmd = NULL;
2718
2719 #ifdef FEAT_EVAL
2720 --ex_nesting_level;
2721 #endif
2722
2723 return ea.nextcmd;
2724 }
2725 #if (_MSC_VER == 1200)
2726 #pragma optimize( "", on )
2727 #endif
2728
2729 /*
2730 * Check for an Ex command with optional tail.
2731 * If there is a match advance "pp" to the argument and return TRUE.
2732 */
2733 int
2734 checkforcmd(pp, cmd, len)
2735 char_u **pp; /* start of command */
2736 char *cmd; /* name of command */
2737 int len; /* required length */
2738 {
2739 int i;
2740
2741 for (i = 0; cmd[i] != NUL; ++i)
2742 if (cmd[i] != (*pp)[i])
2743 break;
2744 if (i >= len && !isalpha((*pp)[i]))
2745 {
2746 *pp = skipwhite(*pp + i);
2747 return TRUE;
2748 }
2749 return FALSE;
2750 }
2751
2752 /*
2753 * Find an Ex command by its name, either built-in or user.
2754 * Start of the name can be found at eap->cmd.
2755 * Returns pointer to char after the command name.
2756 * "full" is set to TRUE if the whole command name matched.
2757 * Returns NULL for an ambiguous user command.
2758 */
2759 /*ARGSUSED*/
2760 static char_u *
2761 find_command(eap, full)
2762 exarg_T *eap;
2763 int *full;
2764 {
2765 int len;
2766 char_u *p;
2767 int i;
2768
2769 /*
2770 * Isolate the command and search for it in the command table.
2771 * Exceptions:
2772 * - the 'k' command can directly be followed by any character.
2773 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2774 * but :sre[wind] is another command, as are :scrip[tnames],
2775 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2776 * - the "d" command can directly be followed by 'l' or 'p' flag.
2777 */
2778 p = eap->cmd;
2779 if (*p == 'k')
2780 {
2781 eap->cmdidx = CMD_k;
2782 ++p;
2783 }
2784 else if (p[0] == 's'
2785 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2786 && p[3] != 'i' && p[4] != 'p')
2787 || p[1] == 'g'
2788 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2789 || p[1] == 'I'
2790 || (p[1] == 'r' && p[2] != 'e')))
2791 {
2792 eap->cmdidx = CMD_substitute;
2793 ++p;
2794 }
2795 else
2796 {
2797 while (ASCII_ISALPHA(*p))
2798 ++p;
2799 /* check for non-alpha command */
2800 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2801 ++p;
2802 len = (int)(p - eap->cmd);
2803 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2804 {
2805 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2806 * :delete with the 'l' flag. Same for 'p'. */
2807 for (i = 0; i < len; ++i)
2808 if (eap->cmd[i] != "delete"[i])
2809 break;
2810 if (i == len - 1)
2811 {
2812 --len;
2813 if (p[-1] == 'l')
2814 eap->flags |= EXFLAG_LIST;
2815 else
2816 eap->flags |= EXFLAG_PRINT;
2817 }
2818 }
2819
2820 if (ASCII_ISLOWER(*eap->cmd))
2821 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2822 else
2823 eap->cmdidx = cmdidxs[26];
2824
2825 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2826 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2827 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2828 (size_t)len) == 0)
2829 {
2830 #ifdef FEAT_EVAL
2831 if (full != NULL
2832 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2833 *full = TRUE;
2834 #endif
2835 break;
2836 }
2837
2838 #ifdef FEAT_USR_CMDS
2839 /* Look for a user defined command as a last resort */
2840 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2841 {
2842 /* User defined commands may contain digits. */
2843 while (ASCII_ISALNUM(*p))
2844 ++p;
2845 p = find_ucmd(eap, p, full, NULL, NULL);
2846 }
2847 #endif
2848 if (p == eap->cmd)
2849 eap->cmdidx = CMD_SIZE;
2850 }
2851
2852 return p;
2853 }
2854
2855 #ifdef FEAT_USR_CMDS
2856 /*
2857 * Search for a user command that matches "eap->cmd".
2858 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2859 * Return a pointer to just after the command.
2860 * Return NULL if there is no matching command.
2861 */
2862 static char_u *
2863 find_ucmd(eap, p, full, xp, compl)
2864 exarg_T *eap;
2865 char_u *p; /* end of the command (possibly including count) */
2866 int *full; /* set to TRUE for a full match */
2867 expand_T *xp; /* used for completion, NULL otherwise */
2868 int *compl; /* completion flags or NULL */
2869 {
2870 int len = (int)(p - eap->cmd);
2871 int j, k, matchlen = 0;
2872 ucmd_T *uc;
2873 int found = FALSE;
2874 int possible = FALSE;
2875 char_u *cp, *np; /* Point into typed cmd and test name */
2876 garray_T *gap;
2877 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2878 only full match global is accepted. */
2879
2880 /*
2881 * Look for buffer-local user commands first, then global ones.
2882 */
2883 gap = &curbuf->b_ucmds;
2884 for (;;)
2885 {
2886 for (j = 0; j < gap->ga_len; ++j)
2887 {
2888 uc = USER_CMD_GA(gap, j);
2889 cp = eap->cmd;
2890 np = uc->uc_name;
2891 k = 0;
2892 while (k < len && *np != NUL && *cp++ == *np++)
2893 k++;
2894 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2895 {
2896 /* If finding a second match, the command is ambiguous. But
2897 * not if a buffer-local command wasn't a full match and a
2898 * global command is a full match. */
2899 if (k == len && found && *np != NUL)
2900 {
2901 if (gap == &ucmds)
2902 return NULL;
2903 amb_local = TRUE;
2904 }
2905
2906 if (!found || (k == len && *np == NUL))
2907 {
2908 /* If we matched up to a digit, then there could
2909 * be another command including the digit that we
2910 * should use instead.
2911 */
2912 if (k == len)
2913 found = TRUE;
2914 else
2915 possible = TRUE;
2916
2917 if (gap == &ucmds)
2918 eap->cmdidx = CMD_USER;
2919 else
2920 eap->cmdidx = CMD_USER_BUF;
2921 eap->argt = (long)uc->uc_argt;
2922 eap->useridx = j;
2923
2924 # ifdef FEAT_CMDL_COMPL
2925 if (compl != NULL)
2926 *compl = uc->uc_compl;
2927 # ifdef FEAT_EVAL
2928 if (xp != NULL)
2929 {
2930 xp->xp_arg = uc->uc_compl_arg;
2931 xp->xp_scriptID = uc->uc_scriptID;
2932 }
2933 # endif
2934 # endif
2935 /* Do not search for further abbreviations
2936 * if this is an exact match. */
2937 matchlen = k;
2938 if (k == len && *np == NUL)
2939 {
2940 if (full != NULL)
2941 *full = TRUE;
2942 amb_local = FALSE;
2943 break;
2944 }
2945 }
2946 }
2947 }
2948
2949 /* Stop if we found a full match or searched all. */
2950 if (j < gap->ga_len || gap == &ucmds)
2951 break;
2952 gap = &ucmds;
2953 }
2954
2955 /* Only found ambiguous matches. */
2956 if (amb_local)
2957 {
2958 if (xp != NULL)
2959 xp->xp_context = EXPAND_UNSUCCESSFUL;
2960 return NULL;
2961 }
2962
2963 /* The match we found may be followed immediately by a number. Move "p"
2964 * back to point to it. */
2965 if (found || possible)
2966 return p + (matchlen - len);
2967 return p;
2968 }
2969 #endif
2970
2971 #if defined(FEAT_EVAL) || defined(PROTO)
2972 static struct cmdmod
2973 {
2974 char *name;
2975 int minlen;
2976 int has_count; /* :123verbose :3tab */
2977 } cmdmods[] = {
2978 {"aboveleft", 3, FALSE},
2979 {"belowright", 3, FALSE},
2980 {"botright", 2, FALSE},
2981 {"browse", 3, FALSE},
2982 {"confirm", 4, FALSE},
2983 {"hide", 3, FALSE},
2984 {"keepalt", 5, FALSE},
2985 {"keepjumps", 5, FALSE},
2986 {"keepmarks", 3, FALSE},
2987 {"leftabove", 5, FALSE},
2988 {"lockmarks", 3, FALSE},
2989 {"rightbelow", 6, FALSE},
2990 {"sandbox", 3, FALSE},
2991 {"silent", 3, FALSE},
2992 {"tab", 3, TRUE},
2993 {"topleft", 2, FALSE},
2994 {"verbose", 4, TRUE},
2995 {"vertical", 4, FALSE},
2996 };
2997
2998 /*
2999 * Return length of a command modifier (including optional count).
3000 * Return zero when it's not a modifier.
3001 */
3002 int
3003 modifier_len(cmd)
3004 char_u *cmd;
3005 {
3006 int i, j;
3007 char_u *p = cmd;
3008
3009 if (VIM_ISDIGIT(*cmd))
3010 p = skipwhite(skipdigits(cmd));
3011 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3012 {
3013 for (j = 0; p[j] != NUL; ++j)
3014 if (p[j] != cmdmods[i].name[j])
3015 break;
3016 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3017 && (p == cmd || cmdmods[i].has_count))
3018 return j + (int)(p - cmd);
3019 }
3020 return 0;
3021 }
3022
3023 /*
3024 * Return > 0 if an Ex command "name" exists.
3025 * Return 2 if there is an exact match.
3026 * Return 3 if there is an ambiguous match.
3027 */
3028 int
3029 cmd_exists(name)
3030 char_u *name;
3031 {
3032 exarg_T ea;
3033 int full = FALSE;
3034 int i;
3035 int j;
3036 char_u *p;
3037
3038 /* Check command modifiers. */
3039 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3040 {
3041 for (j = 0; name[j] != NUL; ++j)
3042 if (name[j] != cmdmods[i].name[j])
3043 break;
3044 if (name[j] == NUL && j >= cmdmods[i].minlen)
3045 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3046 }
3047
3048 /* Check built-in commands and user defined commands.
3049 * For ":2match" and ":3match" we need to skip the number. */
3050 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3051 ea.cmdidx = (cmdidx_T)0;
3052 p = find_command(&ea, &full);
3053 if (p == NULL)
3054 return 3;
3055 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3056 return 0;
3057 if (*skipwhite(p) != NUL)
3058 return 0; /* trailing garbage */
3059 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3060 }
3061 #endif
3062
3063 /*
3064 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3065 * we don't need/want deleted. Maybe this could be done better if we didn't
3066 * repeat all this stuff. The only problem is that they may not stay
3067 * perfectly compatible with each other, but then the command line syntax
3068 * probably won't change that much -- webb.
3069 */
3070 char_u *
3071 set_one_cmd_context(xp, buff)
3072 expand_T *xp;
3073 char_u *buff; /* buffer for command string */
3074 {
3075 char_u *p;
3076 char_u *cmd, *arg;
3077 int len = 0;
3078 exarg_T ea;
3079 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3080 int compl = EXPAND_NOTHING;
3081 #endif
3082 #ifdef FEAT_CMDL_COMPL
3083 int delim;
3084 #endif
3085 int forceit = FALSE;
3086 int usefilter = FALSE; /* filter instead of file name */
3087
3088 ExpandInit(xp);
3089 xp->xp_pattern = buff;
3090 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3091 ea.argt = 0;
3092
3093 /*
3094 * 2. skip comment lines and leading space, colons or bars
3095 */
3096 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3097 ;
3098 xp->xp_pattern = cmd;
3099
3100 if (*cmd == NUL)
3101 return NULL;
3102 if (*cmd == '"') /* ignore comment lines */
3103 {
3104 xp->xp_context = EXPAND_NOTHING;
3105 return NULL;
3106 }
3107
3108 /*
3109 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3110 */
3111 cmd = skip_range(cmd, &xp->xp_context);
3112
3113 /*
3114 * 4. parse command
3115 */
3116 xp->xp_pattern = cmd;
3117 if (*cmd == NUL)
3118 return NULL;
3119 if (*cmd == '"')
3120 {
3121 xp->xp_context = EXPAND_NOTHING;
3122 return NULL;
3123 }
3124
3125 if (*cmd == '|' || *cmd == '\n')
3126 return cmd + 1; /* There's another command */
3127
3128 /*
3129 * Isolate the command and search for it in the command table.
3130 * Exceptions:
3131 * - the 'k' command can directly be followed by any character, but
3132 * do accept "keepmarks", "keepalt" and "keepjumps".
3133 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3134 */
3135 if (*cmd == 'k' && cmd[1] != 'e')
3136 {
3137 ea.cmdidx = CMD_k;
3138 p = cmd + 1;
3139 }
3140 else
3141 {
3142 p = cmd;
3143 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3144 ++p;
3145 /* check for non-alpha command */
3146 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3147 ++p;
3148 len = (int)(p - cmd);
3149
3150 if (len == 0)
3151 {
3152 xp->xp_context = EXPAND_UNSUCCESSFUL;
3153 return NULL;
3154 }
3155 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3156 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3157 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3158 break;
3159
3160 #ifdef FEAT_USR_CMDS
3161 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3162 {
3163 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3164 ++p;
3165 len = (int)(p - cmd);
3166 }
3167 #endif
3168 }
3169
3170 /*
3171 * If the cursor is touching the command, and it ends in an alpha-numeric
3172 * character, complete the command name.
3173 */
3174 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3175 return NULL;
3176
3177 if (ea.cmdidx == CMD_SIZE)
3178 {
3179 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3180 {
3181 ea.cmdidx = CMD_substitute;
3182 p = cmd + 1;
3183 }
3184 #ifdef FEAT_USR_CMDS
3185 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3186 {
3187 ea.cmd = cmd;
3188 p = find_ucmd(&ea, p, NULL, xp,
3189 # if defined(FEAT_CMDL_COMPL)
3190 &compl
3191 # else
3192 NULL
3193 # endif
3194 );
3195 if (p == NULL)
3196 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3197 }
3198 #endif
3199 }
3200 if (ea.cmdidx == CMD_SIZE)
3201 {
3202 /* Not still touching the command and it was an illegal one */
3203 xp->xp_context = EXPAND_UNSUCCESSFUL;
3204 return NULL;
3205 }
3206
3207 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3208
3209 if (*p == '!') /* forced commands */
3210 {
3211 forceit = TRUE;
3212 ++p;
3213 }
3214
3215 /*
3216 * 5. parse arguments
3217 */
3218 #ifdef FEAT_USR_CMDS
3219 if (!USER_CMDIDX(ea.cmdidx))
3220 #endif
3221 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3222
3223 arg = skipwhite(p);
3224
3225 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3226 {
3227 if (*arg == '>') /* append */
3228 {
3229 if (*++arg == '>')
3230 ++arg;
3231 arg = skipwhite(arg);
3232 }
3233 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3234 {
3235 ++arg;
3236 usefilter = TRUE;
3237 }
3238 }
3239
3240 if (ea.cmdidx == CMD_read)
3241 {
3242 usefilter = forceit; /* :r! filter if forced */
3243 if (*arg == '!') /* :r !filter */
3244 {
3245 ++arg;
3246 usefilter = TRUE;
3247 }
3248 }
3249
3250 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3251 {
3252 while (*arg == *cmd) /* allow any number of '>' or '<' */
3253 ++arg;
3254 arg = skipwhite(arg);
3255 }
3256
3257 /* Does command allow "+command"? */
3258 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3259 {
3260 /* Check if we're in the +command */
3261 p = arg + 1;
3262 arg = skip_cmd_arg(arg, FALSE);
3263
3264 /* Still touching the command after '+'? */
3265 if (*arg == NUL)
3266 return p;
3267
3268 /* Skip space(s) after +command to get to the real argument */
3269 arg = skipwhite(arg);
3270 }
3271
3272 /*
3273 * Check for '|' to separate commands and '"' to start comments.
3274 * Don't do this for ":read !cmd" and ":write !cmd".
3275 */
3276 if ((ea.argt & TRLBAR) && !usefilter)
3277 {
3278 p = arg;
3279 /* ":redir @" is not the start of a comment */
3280 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3281 p += 2;
3282 while (*p)
3283 {
3284 if (*p == Ctrl_V)
3285 {
3286 if (p[1] != NUL)
3287 ++p;
3288 }
3289 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3290 || *p == '|' || *p == '\n')
3291 {
3292 if (*(p - 1) != '\\')
3293 {
3294 if (*p == '|' || *p == '\n')
3295 return p + 1;
3296 return NULL; /* It's a comment */
3297 }
3298 }
3299 mb_ptr_adv(p);
3300 }
3301 }
3302
3303 /* no arguments allowed */
3304 if (!(ea.argt & EXTRA) && *arg != NUL &&
3305 vim_strchr((char_u *)"|\"", *arg) == NULL)
3306 return NULL;
3307
3308 /* Find start of last argument (argument just before cursor): */
3309 p = buff + STRLEN(buff);
3310 while (p != arg && *p != ' ' && *p != TAB)
3311 p--;
3312 if (*p == ' ' || *p == TAB)
3313 p++;
3314 xp->xp_pattern = p;
3315
3316 if (ea.argt & XFILE)
3317 {
3318 int c;
3319 int in_quote = FALSE;
3320 char_u *bow = NULL; /* Beginning of word */
3321
3322 /*
3323 * Allow spaces within back-quotes to count as part of the argument
3324 * being expanded.
3325 */
3326 xp->xp_pattern = skipwhite(arg);
3327 p = xp->xp_pattern;
3328 while (*p != NUL)
3329 {
3330 #ifdef FEAT_MBYTE
3331 if (has_mbyte)
3332 c = mb_ptr2char(p);
3333 else
3334 #endif
3335 c = *p;
3336 if (c == '\\' && p[1] != NUL)
3337 ++p;
3338 else if (c == '`')
3339 {
3340 if (!in_quote)
3341 {
3342 xp->xp_pattern = p;
3343 bow = p + 1;
3344 }
3345 in_quote = !in_quote;
3346 }
3347 /* An argument can contain just about everything, except
3348 * characters that end the command and white space. */
3349 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3350 #ifdef SPACE_IN_FILENAME
3351 && (!(ea.argt & NOSPC) || usefilter)
3352 #endif
3353 ))
3354 {
3355 len = 0; /* avoid getting stuck when space is in 'isfname' */
3356 while (*p != NUL)
3357 {
3358 #ifdef FEAT_MBYTE
3359 if (has_mbyte)
3360 c = mb_ptr2char(p);
3361 else
3362 #endif
3363 c = *p;
3364 if (c == '`' || vim_isfilec_or_wc(c))
3365 break;
3366 #ifdef FEAT_MBYTE
3367 if (has_mbyte)
3368 len = (*mb_ptr2len)(p);
3369 else
3370 #endif
3371 len = 1;
3372 mb_ptr_adv(p);
3373 }
3374 if (in_quote)
3375 bow = p;
3376 else
3377 xp->xp_pattern = p;
3378 p -= len;
3379 }
3380 mb_ptr_adv(p);
3381 }
3382
3383 /*
3384 * If we are still inside the quotes, and we passed a space, just
3385 * expand from there.
3386 */
3387 if (bow != NULL && in_quote)
3388 xp->xp_pattern = bow;
3389 xp->xp_context = EXPAND_FILES;
3390
3391 #ifndef BACKSLASH_IN_FILENAME
3392 /* For a shell command more chars need to be escaped. */
3393 if (usefilter || ea.cmdidx == CMD_bang)
3394 {
3395 xp->xp_shell = TRUE;
3396
3397 /* When still after the command name expand executables. */
3398 if (xp->xp_pattern == skipwhite(arg))
3399 xp->xp_context = EXPAND_SHELLCMD;
3400 }
3401 #endif
3402
3403 /* Check for environment variable */
3404 if (*xp->xp_pattern == '$'
3405 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3406 || *xp->xp_pattern == '%'
3407 #endif
3408 )
3409 {
3410 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3411 if (!vim_isIDc(*p))
3412 break;
3413 if (*p == NUL)
3414 {
3415 xp->xp_context = EXPAND_ENV_VARS;
3416 ++xp->xp_pattern;
3417 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3418 /* Avoid that the assignment uses EXPAND_FILES again. */
3419 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3420 compl = EXPAND_ENV_VARS;
3421 #endif
3422 }
3423 }
3424 }
3425
3426 /*
3427 * 6. switch on command name
3428 */
3429 switch (ea.cmdidx)
3430 {
3431 case CMD_cd:
3432 case CMD_chdir:
3433 case CMD_lcd:
3434 case CMD_lchdir:
3435 if (xp->xp_context == EXPAND_FILES)
3436 xp->xp_context = EXPAND_DIRECTORIES;
3437 break;
3438 case CMD_help:
3439 xp->xp_context = EXPAND_HELP;
3440 xp->xp_pattern = arg;
3441 break;
3442
3443 /* Command modifiers: return the argument.
3444 * Also for commands with an argument that is a command. */
3445 case CMD_aboveleft:
3446 case CMD_argdo:
3447 case CMD_belowright:
3448 case CMD_botright:
3449 case CMD_browse:
3450 case CMD_bufdo:
3451 case CMD_confirm:
3452 case CMD_debug:
3453 case CMD_folddoclosed:
3454 case CMD_folddoopen:
3455 case CMD_hide:
3456 case CMD_keepalt:
3457 case CMD_keepjumps:
3458 case CMD_keepmarks:
3459 case CMD_leftabove:
3460 case CMD_lockmarks:
3461 case CMD_rightbelow:
3462 case CMD_sandbox:
3463 case CMD_silent:
3464 case CMD_tab:
3465 case CMD_topleft:
3466 case CMD_verbose:
3467 case CMD_vertical:
3468 case CMD_windo:
3469 return arg;
3470
3471 #ifdef FEAT_CMDL_COMPL
3472 # ifdef FEAT_SEARCH_EXTRA
3473 case CMD_match:
3474 if (*arg == NUL || !ends_excmd(*arg))
3475 {
3476 /* also complete "None" */
3477 set_context_in_echohl_cmd(xp, arg);
3478 arg = skipwhite(skiptowhite(arg));
3479 if (*arg != NUL)
3480 {
3481 xp->xp_context = EXPAND_NOTHING;
3482 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3483 }
3484 }
3485 return find_nextcmd(arg);
3486 # endif
3487
3488 /*
3489 * All completion for the +cmdline_compl feature goes here.
3490 */
3491
3492 # ifdef FEAT_USR_CMDS
3493 case CMD_command:
3494 /* Check for attributes */
3495 while (*arg == '-')
3496 {
3497 arg++; /* Skip "-" */
3498 p = skiptowhite(arg);
3499 if (*p == NUL)
3500 {
3501 /* Cursor is still in the attribute */
3502 p = vim_strchr(arg, '=');
3503 if (p == NULL)
3504 {
3505 /* No "=", so complete attribute names */
3506 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3507 xp->xp_pattern = arg;
3508 return NULL;
3509 }
3510
3511 /* For the -complete and -nargs attributes, we complete
3512 * their arguments as well.
3513 */
3514 if (STRNICMP(arg, "complete", p - arg) == 0)
3515 {
3516 xp->xp_context = EXPAND_USER_COMPLETE;
3517 xp->xp_pattern = p + 1;
3518 return NULL;
3519 }
3520 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3521 {
3522 xp->xp_context = EXPAND_USER_NARGS;
3523 xp->xp_pattern = p + 1;
3524 return NULL;
3525 }
3526 return NULL;
3527 }
3528 arg = skipwhite(p);
3529 }
3530
3531 /* After the attributes comes the new command name */
3532 p = skiptowhite(arg);
3533 if (*p == NUL)
3534 {
3535 xp->xp_context = EXPAND_USER_COMMANDS;
3536 xp->xp_pattern = arg;
3537 break;
3538 }
3539
3540 /* And finally comes a normal command */
3541 return skipwhite(p);
3542
3543 case CMD_delcommand:
3544 xp->xp_context = EXPAND_USER_COMMANDS;
3545 xp->xp_pattern = arg;
3546 break;
3547 # endif
3548
3549 case CMD_global:
3550 case CMD_vglobal:
3551 delim = *arg; /* get the delimiter */
3552 if (delim)
3553 ++arg; /* skip delimiter if there is one */
3554
3555 while (arg[0] != NUL && arg[0] != delim)
3556 {
3557 if (arg[0] == '\\' && arg[1] != NUL)
3558 ++arg;
3559 ++arg;
3560 }
3561 if (arg[0] != NUL)
3562 return arg + 1;
3563 break;
3564 case CMD_and:
3565 case CMD_substitute:
3566 delim = *arg;
3567 if (delim)
3568 {
3569 /* skip "from" part */
3570 ++arg;
3571 arg = skip_regexp(arg, delim, p_magic, NULL);
3572 }
3573 /* skip "to" part */
3574 while (arg[0] != NUL && arg[0] != delim)
3575 {
3576 if (arg[0] == '\\' && arg[1] != NUL)
3577 ++arg;
3578 ++arg;
3579 }
3580 if (arg[0] != NUL) /* skip delimiter */
3581 ++arg;
3582 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3583 ++arg;
3584 if (arg[0] != NUL)
3585 return arg;
3586 break;
3587 case CMD_isearch:
3588 case CMD_dsearch:
3589 case CMD_ilist:
3590 case CMD_dlist:
3591 case CMD_ijump:
3592 case CMD_psearch:
3593 case CMD_djump:
3594 case CMD_isplit:
3595 case CMD_dsplit:
3596 arg = skipwhite(skipdigits(arg)); /* skip count */
3597 if (*arg == '/') /* Match regexp, not just whole words */
3598 {
3599 for (++arg; *arg && *arg != '/'; arg++)
3600 if (*arg == '\\' && arg[1] != NUL)
3601 arg++;
3602 if (*arg)
3603 {
3604 arg = skipwhite(arg + 1);
3605
3606 /* Check for trailing illegal characters */
3607 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3608 xp->xp_context = EXPAND_NOTHING;
3609 else
3610 return arg;
3611 }
3612 }
3613 break;
3614 #ifdef FEAT_AUTOCMD
3615 case CMD_autocmd:
3616 return set_context_in_autocmd(xp, arg, FALSE);
3617
3618 case CMD_doautocmd:
3619 return set_context_in_autocmd(xp, arg, TRUE);
3620 #endif
3621 case CMD_set:
3622 set_context_in_set_cmd(xp, arg, 0);
3623 break;
3624 case CMD_setglobal:
3625 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3626 break;
3627 case CMD_setlocal:
3628 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3629 break;
3630 case CMD_tag:
3631 case CMD_stag:
3632 case CMD_ptag:
3633 case CMD_ltag:
3634 case CMD_tselect:
3635 case CMD_stselect:
3636 case CMD_ptselect:
3637 case CMD_tjump:
3638 case CMD_stjump:
3639 case CMD_ptjump:
3640 if (*p_wop != NUL)
3641 xp->xp_context = EXPAND_TAGS_LISTFILES;
3642 else
3643 xp->xp_context = EXPAND_TAGS;
3644 xp->xp_pattern = arg;
3645 break;
3646 case CMD_augroup:
3647 xp->xp_context = EXPAND_AUGROUP;
3648 xp->xp_pattern = arg;
3649 break;
3650 #ifdef FEAT_SYN_HL
3651 case CMD_syntax:
3652 set_context_in_syntax_cmd(xp, arg);
3653 break;
3654 #endif
3655 #ifdef FEAT_EVAL
3656 case CMD_let:
3657 case CMD_if:
3658 case CMD_elseif:
3659 case CMD_while:
3660 case CMD_for:
3661 case CMD_echo:
3662 case CMD_echon:
3663 case CMD_execute:
3664 case CMD_echomsg:
3665 case CMD_echoerr:
3666 case CMD_call:
3667 case CMD_return:
3668 set_context_for_expression(xp, arg, ea.cmdidx);
3669 break;
3670
3671 case CMD_unlet:
3672 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3673 arg = xp->xp_pattern + 1;
3674 xp->xp_context = EXPAND_USER_VARS;
3675 xp->xp_pattern = arg;
3676 break;
3677
3678 case CMD_function:
3679 case CMD_delfunction:
3680 xp->xp_context = EXPAND_USER_FUNC;
3681 xp->xp_pattern = arg;
3682 break;
3683
3684 case CMD_echohl:
3685 set_context_in_echohl_cmd(xp, arg);
3686 break;
3687 #endif
3688 case CMD_highlight:
3689 set_context_in_highlight_cmd(xp, arg);
3690 break;
3691 #ifdef FEAT_LISTCMDS
3692 case CMD_bdelete:
3693 case CMD_bwipeout:
3694 case CMD_bunload:
3695 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3696 arg = xp->xp_pattern + 1;
3697 /*FALLTHROUGH*/
3698 case CMD_buffer:
3699 case CMD_sbuffer:
3700 case CMD_checktime:
3701 xp->xp_context = EXPAND_BUFFERS;
3702 xp->xp_pattern = arg;
3703 break;
3704 #endif
3705 #ifdef FEAT_USR_CMDS
3706 case CMD_USER:
3707 case CMD_USER_BUF:
3708 if (compl != EXPAND_NOTHING)
3709 {
3710 /* XFILE: file names are handled above */
3711 if (!(ea.argt & XFILE))
3712 {
3713 # ifdef FEAT_MENU
3714 if (compl == EXPAND_MENUS)
3715 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3716 # endif
3717 if (compl == EXPAND_COMMANDS)
3718 return arg;
3719 if (compl == EXPAND_MAPPINGS)
3720 return set_context_in_map_cmd(xp, (char_u *)"map",
3721 arg, forceit, FALSE, FALSE, CMD_map);
3722 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3723 arg = xp->xp_pattern + 1;
3724 xp->xp_pattern = arg;
3725 }
3726 xp->xp_context = compl;
3727 }
3728 break;
3729 #endif
3730 case CMD_map: case CMD_noremap:
3731 case CMD_nmap: case CMD_nnoremap:
3732 case CMD_vmap: case CMD_vnoremap:
3733 case CMD_omap: case CMD_onoremap:
3734 case CMD_imap: case CMD_inoremap:
3735 case CMD_cmap: case CMD_cnoremap:
3736 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3737 FALSE, FALSE, ea.cmdidx);
3738 case CMD_unmap:
3739 case CMD_nunmap:
3740 case CMD_vunmap:
3741 case CMD_ounmap:
3742 case CMD_iunmap:
3743 case CMD_cunmap:
3744 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3745 FALSE, TRUE, ea.cmdidx);
3746 case CMD_abbreviate: case CMD_noreabbrev:
3747 case CMD_cabbrev: case CMD_cnoreabbrev:
3748 case CMD_iabbrev: case CMD_inoreabbrev:
3749 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3750 TRUE, FALSE, ea.cmdidx);
3751 case CMD_unabbreviate:
3752 case CMD_cunabbrev:
3753 case CMD_iunabbrev:
3754 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3755 TRUE, TRUE, ea.cmdidx);
3756 #ifdef FEAT_MENU
3757 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3758 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3759 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3760 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3761 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3762 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3763 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3764 case CMD_tmenu: case CMD_tunmenu:
3765 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3766 #ifdef FEAT_GUI_MACVIM
3767 case CMD_macmenukey:
3768 #endif
3769 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3770 #endif
3771
3772 case CMD_colorscheme:
3773 xp->xp_context = EXPAND_COLORS;
3774 xp->xp_pattern = arg;
3775 break;
3776
3777 case CMD_compiler:
3778 xp->xp_context = EXPAND_COMPILER;
3779 xp->xp_pattern = arg;
3780 break;
3781
3782 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3783 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3784 case CMD_language:
3785 if (*skiptowhite(arg) == NUL)
3786 {
3787 xp->xp_context = EXPAND_LANGUAGE;
3788 xp->xp_pattern = arg;
3789 }
3790 else
3791 xp->xp_context = EXPAND_NOTHING;
3792 break;
3793 #endif
3794
3795 #ifdef FEAT_GUI_MACVIM
3796 case CMD_macaction:
3797 xp->xp_context = EXPAND_MACACTION;
3798 xp->xp_pattern = arg;
3799 break;
3800 #endif
3801
3802
3803 #endif /* FEAT_CMDL_COMPL */
3804
3805 default:
3806 break;
3807 }
3808 return NULL;
3809 }
3810
3811 /*
3812 * skip a range specifier of the form: addr [,addr] [;addr] ..
3813 *
3814 * Backslashed delimiters after / or ? will be skipped, and commands will
3815 * not be expanded between /'s and ?'s or after "'".
3816 *
3817 * Also skip white space and ":" characters.
3818 * Returns the "cmd" pointer advanced to beyond the range.
3819 */
3820 char_u *
3821 skip_range(cmd, ctx)
3822 char_u *cmd;
3823 int *ctx; /* pointer to xp_context or NULL */
3824 {
3825 int delim;
3826
3827 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3828 {
3829 if (*cmd == '\'')
3830 {
3831 if (*++cmd == NUL && ctx != NULL)
3832 *ctx = EXPAND_NOTHING;
3833 }
3834 else if (*cmd == '/' || *cmd == '?')
3835 {
3836 delim = *cmd++;
3837 while (*cmd != NUL && *cmd != delim)
3838 if (*cmd++ == '\\' && *cmd != NUL)
3839 ++cmd;
3840 if (*cmd == NUL && ctx != NULL)
3841 *ctx = EXPAND_NOTHING;
3842 }
3843 if (*cmd != NUL)
3844 ++cmd;
3845 }
3846
3847 /* Skip ":" and white space. */
3848 while (*cmd == ':')
3849 cmd = skipwhite(cmd + 1);
3850
3851 return cmd;
3852 }
3853
3854 /*
3855 * get a single EX address
3856 *
3857 * Set ptr to the next character after the part that was interpreted.
3858 * Set ptr to NULL when an error is encountered.
3859 *
3860 * Return MAXLNUM when no Ex address was found.
3861 */
3862 static linenr_T
3863 get_address(ptr, skip, to_other_file)
3864 char_u **ptr;
3865 int skip; /* only skip the address, don't use it */
3866 int to_other_file; /* flag: may jump to other file */
3867 {
3868 int c;
3869 int i;
3870 long n;
3871 char_u *cmd;
3872 pos_T pos;
3873 pos_T *fp;
3874 linenr_T lnum;
3875
3876 cmd = skipwhite(*ptr);
3877 lnum = MAXLNUM;
3878 do
3879 {
3880 switch (*cmd)
3881 {
3882 case '.': /* '.' - Cursor position */
3883 ++cmd;
3884 lnum = curwin->w_cursor.lnum;
3885 break;
3886
3887 case '$': /* '$' - last line */
3888 ++cmd;
3889 lnum = curbuf->b_ml.ml_line_count;
3890 break;
3891
3892 case '\'': /* ''' - mark */
3893 if (*++cmd == NUL)
3894 {
3895 cmd = NULL;
3896 goto error;
3897 }
3898 if (skip)
3899 ++cmd;
3900 else
3901 {
3902 /* Only accept a mark in another file when it is
3903 * used by itself: ":'M". */
3904 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3905 ++cmd;
3906 if (fp == (pos_T *)-1)
3907 /* Jumped to another file. */
3908 lnum = curwin->w_cursor.lnum;
3909 else
3910 {
3911 if (check_mark(fp) == FAIL)
3912 {
3913 cmd = NULL;
3914 goto error;
3915 }
3916 lnum = fp->lnum;
3917 }
3918 }
3919 break;
3920
3921 case '/':
3922 case '?': /* '/' or '?' - search */
3923 c = *cmd++;
3924 if (skip) /* skip "/pat/" */
3925 {
3926 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3927 if (*cmd == c)
3928 ++cmd;
3929 }
3930 else
3931 {
3932 pos = curwin->w_cursor; /* save curwin->w_cursor */
3933 /*
3934 * When '/' or '?' follows another address, start
3935 * from there.
3936 */
3937 if (lnum != MAXLNUM)
3938 curwin->w_cursor.lnum = lnum;
3939 /*
3940 * Start a forward search at the end of the line.
3941 * Start a backward search at the start of the line.
3942 * This makes sure we never match in the current
3943 * line, and can match anywhere in the
3944 * next/previous line.
3945 */
3946 if (c == '/')
3947 curwin->w_cursor.col = MAXCOL;
3948 else
3949 curwin->w_cursor.col = 0;
3950 searchcmdlen = 0;
3951 if (!do_search(NULL, c, cmd, 1L,
3952 SEARCH_HIS | SEARCH_MSG, NULL))
3953 {
3954 curwin->w_cursor = pos;
3955 cmd = NULL;
3956 goto error;
3957 }
3958 lnum = curwin->w_cursor.lnum;
3959 curwin->w_cursor = pos;
3960 /* adjust command string pointer */
3961 cmd += searchcmdlen;
3962 }
3963 break;
3964
3965 case '\\': /* "\?", "\/" or "\&", repeat search */
3966 ++cmd;
3967 if (*cmd == '&')
3968 i = RE_SUBST;
3969 else if (*cmd == '?' || *cmd == '/')
3970 i = RE_SEARCH;
3971 else
3972 {
3973 EMSG(_(e_backslash));
3974 cmd = NULL;
3975 goto error;
3976 }
3977
3978 if (!skip)
3979 {
3980 /*
3981 * When search follows another address, start from
3982 * there.
3983 */
3984 if (lnum != MAXLNUM)
3985 pos.lnum = lnum;
3986 else
3987 pos.lnum = curwin->w_cursor.lnum;
3988
3989 /*
3990 * Start the search just like for the above
3991 * do_search().
3992 */
3993 if (*cmd != '?')
3994 pos.col = MAXCOL;
3995 else
3996 pos.col = 0;
3997 if (searchit(curwin, curbuf, &pos,
3998 *cmd == '?' ? BACKWARD : FORWARD,
3999 (char_u *)"", 1L, SEARCH_MSG,
4000 i, (linenr_T)0, NULL) != FAIL)
4001 lnum = pos.lnum;
4002 else
4003 {
4004 cmd = NULL;
4005 goto error;
4006 }
4007 }
4008 ++cmd;
4009 break;
4010
4011 default:
4012 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4013 lnum = getdigits(&cmd);
4014 }
4015
4016 for (;;)
4017 {
4018 cmd = skipwhite(cmd);
4019 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4020 break;
4021
4022 if (lnum == MAXLNUM)
4023 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4024 if (VIM_ISDIGIT(*cmd))
4025 i = '+'; /* "number" is same as "+number" */
4026 else
4027 i = *cmd++;
4028 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4029 n = 1;
4030 else
4031 n = getdigits(&cmd);
4032 if (i == '-')
4033 lnum -= n;
4034 else
4035 lnum += n;
4036 }
4037 } while (*cmd == '/' || *cmd == '?');
4038
4039 error:
4040 *ptr = cmd;
4041 return lnum;
4042 }
4043
4044 /*
4045 * Get flags from an Ex command argument.
4046 */
4047 static void
4048 get_flags(eap)
4049 exarg_T *eap;
4050 {
4051 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4052 {
4053 if (*eap->arg == 'l')
4054 eap->flags |= EXFLAG_LIST;
4055 else if (*eap->arg == 'p')
4056 eap->flags |= EXFLAG_PRINT;
4057 else
4058 eap->flags |= EXFLAG_NR;
4059 eap->arg = skipwhite(eap->arg + 1);
4060 }
4061 }
4062
4063 /*
4064 * Function called for command which is Not Implemented. NI!
4065 */
4066 void
4067 ex_ni(eap)
4068 exarg_T *eap;
4069 {
4070 if (!eap->skip)
4071 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4072 }
4073
4074 #ifdef HAVE_EX_SCRIPT_NI
4075 /*
4076 * Function called for script command which is Not Implemented. NI!
4077 * Skips over ":perl <<EOF" constructs.
4078 */
4079 static void
4080 ex_script_ni(eap)
4081 exarg_T *eap;
4082 {
4083 if (!eap->skip)
4084 ex_ni(eap);
4085 else
4086 vim_free(script_get(eap, eap->arg));
4087 }
4088 #endif
4089
4090 /*
4091 * Check range in Ex command for validity.
4092 * Return NULL when valid, error message when invalid.
4093 */
4094 static char_u *
4095 invalid_range(eap)
4096 exarg_T *eap;
4097 {
4098 if ( eap->line1 < 0
4099 || eap->line2 < 0
4100 || eap->line1 > eap->line2
4101 || ((eap->argt & RANGE)
4102 && !(eap->argt & NOTADR)
4103 && eap->line2 > curbuf->b_ml.ml_line_count
4104 #ifdef FEAT_DIFF
4105 + (eap->cmdidx == CMD_diffget)
4106 #endif
4107 ))
4108 return (char_u *)_(e_invrange);
4109 return NULL;
4110 }
4111
4112 /*
4113 * Correct the range for zero line number, if required.
4114 */
4115 static void
4116 correct_range(eap)
4117 exarg_T *eap;
4118 {
4119 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4120 {
4121 if (eap->line1 == 0)
4122 eap->line1 = 1;
4123 if (eap->line2 == 0)
4124 eap->line2 = 1;
4125 }
4126 }
4127
4128 #ifdef FEAT_QUICKFIX
4129 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4130
4131 /*
4132 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4133 * pattern. Otherwise return eap->arg.
4134 */
4135 static char_u *
4136 skip_grep_pat(eap)
4137 exarg_T *eap;
4138 {
4139 char_u *p = eap->arg;
4140
4141 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4142 || eap->cmdidx == CMD_vimgrepadd
4143 || eap->cmdidx == CMD_lvimgrepadd
4144 || grep_internal(eap->cmdidx)))
4145 {
4146 p = skip_vimgrep_pat(p, NULL, NULL);
4147 if (p == NULL)
4148 p = eap->arg;
4149 }
4150 return p;
4151 }
4152
4153 /*
4154 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4155 * in the command line, so that things like % get expanded.
4156 */
4157 static char_u *
4158 replace_makeprg(eap, p, cmdlinep)
4159 exarg_T *eap;
4160 char_u *p;
4161 char_u **cmdlinep;
4162 {
4163 char_u *new_cmdline;
4164 char_u *program;
4165 char_u *pos;
4166 char_u *ptr;
4167 int len;
4168 int i;
4169
4170 /*
4171 * Don't do it when ":vimgrep" is used for ":grep".
4172 */
4173 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4174 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4175 || eap->cmdidx == CMD_grepadd
4176 || eap->cmdidx == CMD_lgrepadd)
4177 && !grep_internal(eap->cmdidx))
4178 {
4179 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4180 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4181 {
4182 if (*curbuf->b_p_gp == NUL)
4183 program = p_gp;
4184 else
4185 program = curbuf->b_p_gp;
4186 }
4187 else
4188 {
4189 if (*curbuf->b_p_mp == NUL)
4190 program = p_mp;
4191 else
4192 program = curbuf->b_p_mp;
4193 }
4194
4195 p = skipwhite(p);
4196
4197 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4198 {
4199 /* replace $* by given arguments */
4200 i = 1;
4201 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4202 ++i;
4203 len = (int)STRLEN(p);
4204 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4205 if (new_cmdline == NULL)
4206 return NULL; /* out of memory */
4207 ptr = new_cmdline;
4208 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4209 {
4210 i = (int)(pos - program);
4211 STRNCPY(ptr, program, i);
4212 STRCPY(ptr += i, p);
4213 ptr += len;
4214 program = pos + 2;
4215 }
4216 STRCPY(ptr, program);
4217 }
4218 else
4219 {
4220 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4221 if (new_cmdline == NULL)
4222 return NULL; /* out of memory */
4223 STRCPY(new_cmdline, program);
4224 STRCAT(new_cmdline, " ");
4225 STRCAT(new_cmdline, p);
4226 }
4227 msg_make(p);
4228
4229 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4230 vim_free(*cmdlinep);
4231 *cmdlinep = new_cmdline;
4232 p = new_cmdline;
4233 }
4234 return p;
4235 }
4236 #endif
4237
4238 /*
4239 * Expand file name in Ex command argument.
4240 * Return FAIL for failure, OK otherwise.
4241 */
4242 int
4243 expand_filename(eap, cmdlinep, errormsgp)
4244 exarg_T *eap;
4245 char_u **cmdlinep;
4246 char_u **errormsgp;
4247 {
4248 int has_wildcards; /* need to expand wildcards */
4249 char_u *repl;
4250 int srclen;
4251 char_u *p;
4252 int n;
4253 int escaped;
4254
4255 #ifdef FEAT_QUICKFIX
4256 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4257 p = skip_grep_pat(eap);
4258 #else
4259 p = eap->arg;
4260 #endif
4261
4262 /*
4263 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4264 * the file name contains a wildcard it should not cause expanding.
4265 * (it will be expanded anyway if there is a wildcard before replacing).
4266 */
4267 has_wildcards = mch_has_wildcard(p);
4268 while (*p != NUL)
4269 {
4270 #ifdef FEAT_EVAL
4271 /* Skip over `=expr`, wildcards in it are not expanded. */
4272 if (p[0] == '`' && p[1] == '=')
4273 {
4274 p += 2;
4275 (void)skip_expr(&p);
4276 if (*p == '`')
4277 ++p;
4278 continue;
4279 }
4280 #endif
4281 /*
4282 * Quick check if this cannot be the start of a special string.
4283 * Also removes backslash before '%', '#' and '<'.
4284 */
4285 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4286 {
4287 ++p;
4288 continue;
4289 }
4290
4291 /*
4292 * Try to find a match at this position.
4293 */
4294 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4295 errormsgp, &escaped);
4296 if (*errormsgp != NULL) /* error detected */
4297 return FAIL;
4298 if (repl == NULL) /* no match found */
4299 {
4300 p += srclen;
4301 continue;
4302 }
4303
4304 /* Wildcards won't be expanded below, the replacement is taken
4305 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4306 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4307 {
4308 char_u *l = repl;
4309
4310 repl = expand_env_save(repl);
4311 vim_free(l);
4312 }
4313
4314 /* Need to escape white space et al. with a backslash.
4315 * Don't do this for:
4316 * - replacement that already has been escaped: "##"
4317 * - shell commands (may have to use quotes instead).
4318 * - non-unix systems when there is a single argument (spaces don't
4319 * separate arguments then).
4320 */
4321 if (!eap->usefilter
4322 && !escaped
4323 && eap->cmdidx != CMD_bang
4324 && eap->cmdidx != CMD_make
4325 && eap->cmdidx != CMD_lmake
4326 && eap->cmdidx != CMD_grep
4327 && eap->cmdidx != CMD_lgrep
4328 && eap->cmdidx != CMD_grepadd
4329 && eap->cmdidx != CMD_lgrepadd
4330 #ifndef UNIX
4331 && !(eap->argt & NOSPC)
4332 #endif
4333 )
4334 {
4335 char_u *l;
4336 #ifdef BACKSLASH_IN_FILENAME
4337 /* Don't escape a backslash here, because rem_backslash() doesn't
4338 * remove it later. */
4339 static char_u *nobslash = (char_u *)" \t\"|";
4340 # define ESCAPE_CHARS nobslash
4341 #else
4342 # define ESCAPE_CHARS escape_chars
4343 #endif
4344
4345 for (l = repl; *l; ++l)
4346 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4347 {
4348 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4349 if (l != NULL)
4350 {
4351 vim_free(repl);
4352 repl = l;
4353 }
4354 break;
4355 }
4356 }
4357
4358 /* For a shell command a '!' must be escaped. */
4359 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4360 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4361 {
4362 char_u *l;
4363
4364 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4365 if (l != NULL)
4366 {
4367 vim_free(repl);
4368 repl = l;
4369 /* For a sh-like shell escape "!" another time. */
4370 if (strstr((char *)p_sh, "sh") != NULL)
4371 {
4372 l = vim_strsave_escaped(repl, (char_u *)"!");
4373 if (l != NULL)
4374 {
4375 vim_free(repl);
4376 repl = l;
4377 }
4378 }
4379 }
4380 }
4381
4382 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4383 vim_free(repl);
4384 if (p == NULL)
4385 return FAIL;
4386 }
4387
4388 /*
4389 * One file argument: Expand wildcards.
4390 * Don't do this with ":r !command" or ":w !command".
4391 */
4392 if ((eap->argt & NOSPC) && !eap->usefilter)
4393 {
4394 /*
4395 * May do this twice:
4396 * 1. Replace environment variables.
4397 * 2. Replace any other wildcards, remove backslashes.
4398 */
4399 for (n = 1; n <= 2; ++n)
4400 {
4401 if (n == 2)
4402 {
4403 #ifdef UNIX
4404 /*
4405 * Only for Unix we check for more than one file name.
4406 * For other systems spaces are considered to be part
4407 * of the file name.
4408 * Only check here if there is no wildcard, otherwise
4409 * ExpandOne() will check for errors. This allows
4410 * ":e `ls ve*.c`" on Unix.
4411 */
4412 if (!has_wildcards)
4413 for (p = eap->arg; *p; ++p)
4414 {
4415 /* skip escaped characters */
4416 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4417 ++p;
4418 else if (vim_iswhite(*p))
4419 {
4420 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4421 return FAIL;
4422 }
4423 }
4424 #endif
4425
4426 /*
4427 * Halve the number of backslashes (this is Vi compatible).
4428 * For Unix and OS/2, when wildcards are expanded, this is
4429 * done by ExpandOne() below.
4430 */
4431 #if defined(UNIX) || defined(OS2)
4432 if (!has_wildcards)
4433 #endif
4434 backslash_halve(eap->arg);
4435 }
4436
4437 if (has_wildcards)
4438 {
4439 if (n == 1)
4440 {
4441 /*
4442 * First loop: May expand environment variables. This
4443 * can be done much faster with expand_env() than with
4444 * something else (e.g., calling a shell).
4445 * After expanding environment variables, check again
4446 * if there are still wildcards present.
4447 */
4448 if (vim_strchr(eap->arg, '$') != NULL
4449 || vim_strchr(eap->arg, '~') != NULL)
4450 {
4451 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4452 TRUE, TRUE, NULL);
4453 has_wildcards = mch_has_wildcard(NameBuff);
4454 p = NameBuff;
4455 }
4456 else
4457 p = NULL;
4458 }
4459 else /* n == 2 */
4460 {
4461 expand_T xpc;
4462
4463 ExpandInit(&xpc);
4464 xpc.xp_context = EXPAND_FILES;
4465 p = ExpandOne(&xpc, eap->arg, NULL,
4466 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4467 WILD_EXPAND_FREE);
4468 if (p == NULL)
4469 return FAIL;
4470 }
4471 if (p != NULL)
4472 {
4473 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4474 p, cmdlinep);
4475 if (n == 2) /* p came from ExpandOne() */
4476 vim_free(p);
4477 }
4478 }
4479 }
4480 }
4481 return OK;
4482 }
4483
4484 /*
4485 * Replace part of the command line, keeping eap->cmd, eap->arg and
4486 * eap->nextcmd correct.
4487 * "src" points to the part that is to be replaced, of length "srclen".
4488 * "repl" is the replacement string.
4489 * Returns a pointer to the character after the replaced string.
4490 * Returns NULL for failure.
4491 */
4492 static char_u *
4493 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4494 exarg_T *eap;
4495 char_u *src;
4496 int srclen;
4497 char_u *repl;
4498 char_u **cmdlinep;
4499 {
4500 int len;
4501 int i;
4502 char_u *new_cmdline;
4503
4504 /*
4505 * The new command line is build in new_cmdline[].
4506 * First allocate it.
4507 * Careful: a "+cmd" argument may have been NUL terminated.
4508 */
4509 len = (int)STRLEN(repl);
4510 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4511 if (eap->nextcmd != NULL)
4512 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4513 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4514 return NULL; /* out of memory! */
4515
4516 /*
4517 * Copy the stuff before the expanded part.
4518 * Copy the expanded stuff.
4519 * Copy what came after the expanded part.
4520 * Copy the next commands, if there are any.
4521 */
4522 i = (int)(src - *cmdlinep); /* length of part before match */
4523 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4524
4525 mch_memmove(new_cmdline + i, repl, (size_t)len);
4526 i += len; /* remember the end of the string */
4527 STRCPY(new_cmdline + i, src + srclen);
4528 src = new_cmdline + i; /* remember where to continue */
4529
4530 if (eap->nextcmd != NULL) /* append next command */
4531 {
4532 i = (int)STRLEN(new_cmdline) + 1;
4533 STRCPY(new_cmdline + i, eap->nextcmd);
4534 eap->nextcmd = new_cmdline + i;
4535 }
4536 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4537 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4538 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4539 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4540 vim_free(*cmdlinep);
4541 *cmdlinep = new_cmdline;
4542
4543 return src;
4544 }
4545
4546 /*
4547 * Check for '|' to separate commands and '"' to start comments.
4548 */
4549 void
4550 separate_nextcmd(eap)
4551 exarg_T *eap;
4552 {
4553 char_u *p;
4554
4555 #ifdef FEAT_QUICKFIX
4556 p = skip_grep_pat(eap);
4557 #else
4558 p = eap->arg;
4559 #endif
4560
4561 for ( ; *p; mb_ptr_adv(p))
4562 {
4563 if (*p == Ctrl_V)
4564 {
4565 if (eap->argt & (USECTRLV | XFILE))
4566 ++p; /* skip CTRL-V and next char */
4567 else
4568 /* remove CTRL-V and skip next char */
4569 mch_memmove(p, p + 1, STRLEN(p));
4570 if (*p == NUL) /* stop at NUL after CTRL-V */
4571 break;
4572 }
4573
4574 #ifdef FEAT_EVAL
4575 /* Skip over `=expr` when wildcards are expanded. */
4576 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4577 {
4578 p += 2;
4579 (void)skip_expr(&p);
4580 }
4581 #endif
4582
4583 /* Check for '"': start of comment or '|': next command */
4584 /* :@" and :*" do not start a comment!
4585 * :redir @" doesn't either. */
4586 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4587 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4588 || p != eap->arg)
4589 && (eap->cmdidx != CMD_redir
4590 || p != eap->arg + 1 || p[-1] != '@'))
4591 || *p == '|' || *p == '\n')
4592 {
4593 /*
4594 * We remove the '\' before the '|', unless USECTRLV is used
4595 * AND 'b' is present in 'cpoptions'.
4596 */
4597 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4598 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4599 {
4600 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4601 --p;
4602 }
4603 else
4604 {
4605 eap->nextcmd = check_nextcmd(p);
4606 *p = NUL;
4607 break;
4608 }
4609 }
4610 }
4611
4612 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4613 del_trailing_spaces(eap->arg);
4614 }
4615
4616 /*
4617 * get + command from ex argument
4618 */
4619 static char_u *
4620 getargcmd(argp)
4621 char_u **argp;
4622 {
4623 char_u *arg = *argp;
4624 char_u *command = NULL;
4625
4626 if (*arg == '+') /* +[command] */
4627 {
4628 ++arg;
4629 if (vim_isspace(*arg))
4630 command = dollar_command;
4631 else
4632 {
4633 command = arg;
4634 arg = skip_cmd_arg(command, TRUE);
4635 if (*arg != NUL)
4636 *arg++ = NUL; /* terminate command with NUL */
4637 }
4638
4639 arg = skipwhite(arg); /* skip over spaces */
4640 *argp = arg;
4641 }
4642 return command;
4643 }
4644
4645 /*
4646 * Find end of "+command" argument. Skip over "\ " and "\\".
4647 */
4648 static char_u *
4649 skip_cmd_arg(p, rembs)
4650 char_u *p;
4651 int rembs; /* TRUE to halve the number of backslashes */
4652 {
4653 while (*p && !vim_isspace(*p))
4654 {
4655 if (*p == '\\' && p[1] != NUL)
4656 {
4657 if (rembs)
4658 mch_memmove(p, p + 1, STRLEN(p));
4659 else
4660 ++p;
4661 }
4662 mb_ptr_adv(p);
4663 }
4664 return p;
4665 }
4666
4667 /*
4668 * Get "++opt=arg" argument.
4669 * Return FAIL or OK.
4670 */
4671 static int
4672 getargopt(eap)
4673 exarg_T *eap;
4674 {
4675 char_u *arg = eap->arg + 2;
4676 int *pp = NULL;
4677 #ifdef FEAT_MBYTE
4678 char_u *p;
4679 #endif
4680
4681 /* ":edit ++[no]bin[ary] file" */
4682 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4683 {
4684 if (*arg == 'n')
4685 {
4686 arg += 2;
4687 eap->force_bin = FORCE_NOBIN;
4688 }
4689 else
4690 eap->force_bin = FORCE_BIN;
4691 if (!checkforcmd(&arg, "binary", 3))
4692 return FAIL;
4693 eap->arg = skipwhite(arg);
4694 return OK;
4695 }
4696
4697 /* ":read ++edit file" */
4698 if (STRNCMP(arg, "edit", 4) == 0)
4699 {
4700 eap->read_edit = TRUE;
4701 eap->arg = skipwhite(arg + 4);
4702 return OK;
4703 }
4704
4705 if (STRNCMP(arg, "ff", 2) == 0)
4706 {
4707 arg += 2;
4708 pp = &eap->force_ff;
4709 }
4710 else if (STRNCMP(arg, "fileformat", 10) == 0)
4711 {
4712 arg += 10;
4713 pp = &eap->force_ff;
4714 }
4715 #ifdef FEAT_MBYTE
4716 else if (STRNCMP(arg, "enc", 3) == 0)
4717 {
4718 arg += 3;
4719 pp = &eap->force_enc;
4720 }
4721 else if (STRNCMP(arg, "encoding", 8) == 0)
4722 {
4723 arg += 8;
4724 pp = &eap->force_enc;
4725 }
4726 else if (STRNCMP(arg, "bad", 3) == 0)
4727 {
4728 arg += 3;
4729 pp = &eap->bad_char;
4730 }
4731 #endif
4732
4733 if (pp == NULL || *arg != '=')
4734 return FAIL;
4735
4736 ++arg;
4737 *pp = (int)(arg - eap->cmd);
4738 arg = skip_cmd_arg(arg, FALSE);
4739 eap->arg = skipwhite(arg);
4740 *arg = NUL;
4741
4742 #ifdef FEAT_MBYTE
4743 if (pp == &eap->force_ff)
4744 {
4745 #endif
4746 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4747 return FAIL;
4748 #ifdef FEAT_MBYTE
4749 }
4750 else if (pp == &eap->force_enc)
4751 {
4752 /* Make 'fileencoding' lower case. */
4753 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4754 *p = TOLOWER_ASC(*p);
4755 }
4756 else
4757 {
4758 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4759 * "drop". */
4760 p = eap->cmd + eap->bad_char;
4761 if (STRICMP(p, "keep") == 0)
4762 eap->bad_char = BAD_KEEP;
4763 else if (STRICMP(p, "drop") == 0)
4764 eap->bad_char = BAD_DROP;
4765 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4766 eap->bad_char = *p;
4767 else
4768 return FAIL;
4769 }
4770 #endif
4771
4772 return OK;
4773 }
4774
4775 /*
4776 * ":abbreviate" and friends.
4777 */
4778 static void
4779 ex_abbreviate(eap)
4780 exarg_T *eap;
4781 {
4782 do_exmap(eap, TRUE); /* almost the same as mapping */
4783 }
4784
4785 /*
4786 * ":map" and friends.
4787 */
4788 static void
4789 ex_map(eap)
4790 exarg_T *eap;
4791 {
4792 /*
4793 * If we are sourcing .exrc or .vimrc in current directory we
4794 * print the mappings for security reasons.
4795 */
4796 if (secure)
4797 {
4798 secure = 2;
4799 msg_outtrans(eap->cmd);
4800 msg_putchar('\n');
4801 }
4802 do_exmap(eap, FALSE);
4803 }
4804
4805 /*
4806 * ":unmap" and friends.
4807 */
4808 static void
4809 ex_unmap(eap)
4810 exarg_T *eap;
4811 {
4812 do_exmap(eap, FALSE);
4813 }
4814
4815 /*
4816 * ":mapclear" and friends.
4817 */
4818 static void
4819 ex_mapclear(eap)
4820 exarg_T *eap;
4821 {
4822 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4823 }
4824
4825 /*
4826 * ":abclear" and friends.
4827 */
4828 static void
4829 ex_abclear(eap)
4830 exarg_T *eap;
4831 {
4832 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4833 }
4834
4835 #ifdef FEAT_AUTOCMD
4836 static void
4837 ex_autocmd(eap)
4838 exarg_T *eap;
4839 {
4840 /*
4841 * Disallow auto commands from .exrc and .vimrc in current
4842 * directory for security reasons.
4843 */
4844 if (secure)
4845 {
4846 secure = 2;
4847 eap->errmsg = e_curdir;
4848 }
4849 else if (eap->cmdidx == CMD_autocmd)
4850 do_autocmd(eap->arg, eap->forceit);
4851 else
4852 do_augroup(eap->arg, eap->forceit);
4853 }
4854
4855 /*
4856 * ":doautocmd": Apply the automatic commands to the current buffer.
4857 */
4858 static void
4859 ex_doautocmd(eap)
4860 exarg_T *eap;
4861 {
4862 (void)do_doautocmd(eap->arg, TRUE);
4863 do_modelines(0);
4864 }
4865 #endif
4866
4867 #ifdef FEAT_LISTCMDS
4868 /*
4869 * :[N]bunload[!] [N] [bufname] unload buffer
4870 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4871 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4872 */
4873 static void
4874 ex_bunload(eap)
4875 exarg_T *eap;
4876 {
4877 eap->errmsg = do_bufdel(
4878 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4879 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4880 : DOBUF_UNLOAD, eap->arg,
4881 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4882 }
4883
4884 /*
4885 * :[N]buffer [N] to buffer N
4886 * :[N]sbuffer [N] to buffer N
4887 */
4888 static void
4889 ex_buffer(eap)
4890 exarg_T *eap;
4891 {
4892 if (*eap->arg)
4893 eap->errmsg = e_trailing;
4894 else
4895 {
4896 if (eap->addr_count == 0) /* default is current buffer */
4897 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4898 else
4899 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4900 }
4901 }
4902
4903 /*
4904 * :[N]bmodified [N] to next mod. buffer
4905 * :[N]sbmodified [N] to next mod. buffer
4906 */
4907 static void
4908 ex_bmodified(eap)
4909 exarg_T *eap;
4910 {
4911 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4912 }
4913
4914 /*
4915 * :[N]bnext [N] to next buffer
4916 * :[N]sbnext [N] split and to next buffer
4917 */
4918 static void
4919 ex_bnext(eap)
4920 exarg_T *eap;
4921 {
4922 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4923 }
4924
4925 /*
4926 * :[N]bNext [N] to previous buffer
4927 * :[N]bprevious [N] to previous buffer
4928 * :[N]sbNext [N] split and to previous buffer
4929 * :[N]sbprevious [N] split and to previous buffer
4930 */
4931 static void
4932 ex_bprevious(eap)
4933 exarg_T *eap;
4934 {
4935 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4936 }
4937
4938 /*
4939 * :brewind to first buffer
4940 * :bfirst to first buffer
4941 * :sbrewind split and to first buffer
4942 * :sbfirst split and to first buffer
4943 */
4944 static void
4945 ex_brewind(eap)
4946 exarg_T *eap;
4947 {
4948 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4949 }
4950
4951 /*
4952 * :blast to last buffer
4953 * :sblast split and to last buffer
4954 */
4955 static void
4956 ex_blast(eap)
4957 exarg_T *eap;
4958 {
4959 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4960 }
4961 #endif
4962
4963 int
4964 ends_excmd(c)
4965 int c;
4966 {
4967 return (c == NUL || c == '|' || c == '"' || c == '\n');
4968 }
4969
4970 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4971 || defined(PROTO)
4972 /*
4973 * Return the next command, after the first '|' or '\n'.
4974 * Return NULL if not found.
4975 */
4976 char_u *
4977 find_nextcmd(p)
4978 char_u *p;
4979 {
4980 while (*p != '|' && *p != '\n')
4981 {
4982 if (*p == NUL)
4983 return NULL;
4984 ++p;
4985 }
4986 return (p + 1);
4987 }
4988 #endif
4989
4990 /*
4991 * Check if *p is a separator between Ex commands.
4992 * Return NULL if it isn't, (p + 1) if it is.
4993 */
4994 char_u *
4995 check_nextcmd(p)
4996 char_u *p;
4997 {
4998 p = skipwhite(p);
4999 if (*p == '|' || *p == '\n')
5000 return (p + 1);
5001 else
5002 return NULL;
5003 }
5004
5005 /*
5006 * - if there are more files to edit
5007 * - and this is the last window
5008 * - and forceit not used
5009 * - and not repeated twice on a row
5010 * return FAIL and give error message if 'message' TRUE
5011 * return OK otherwise
5012 */
5013 static int
5014 check_more(message, forceit)
5015 int message; /* when FALSE check only, no messages */
5016 int forceit;
5017 {
5018 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5019
5020 if (!forceit && only_one_window()
5021 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5022 {
5023 if (message)
5024 {
5025 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5026 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5027 {
5028 char_u buff[IOSIZE];
5029
5030 if (n == 1)
5031 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5032 else
5033 vim_snprintf((char *)buff, IOSIZE,
5034 _("%d more files to edit. Quit anyway?"), n);
5035 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5036 return OK;
5037 return FAIL;
5038 }
5039 #endif
5040 if (n == 1)
5041 EMSG(_("E173: 1 more file to edit"));
5042 else
5043 EMSGN(_("E173: %ld more files to edit"), n);
5044 quitmore = 2; /* next try to quit is allowed */
5045 }
5046 return FAIL;
5047 }
5048 return OK;
5049 }
5050
5051 #ifdef FEAT_CMDL_COMPL
5052 /*
5053 * Function given to ExpandGeneric() to obtain the list of command names.
5054 */
5055 /*ARGSUSED*/
5056 char_u *
5057 get_command_name(xp, idx)
5058 expand_T *xp;
5059 int idx;
5060 {
5061 if (idx >= (int)CMD_SIZE)
5062 # ifdef FEAT_USR_CMDS
5063 return get_user_command_name(idx);
5064 # else
5065 return NULL;
5066 # endif
5067 return cmdnames[idx].cmd_name;
5068 }
5069 #endif
5070
5071 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5072 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));
5073 static void uc_list __ARGS((char_u *name, size_t name_len));
5074 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5075 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5076 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));
5077
5078 static int
5079 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5080 char_u *name;
5081 size_t name_len;
5082 char_u *rep;
5083 long argt;
5084 long def;
5085 int flags;
5086 int compl;
5087 char_u *compl_arg;
5088 int force;
5089 {
5090 ucmd_T *cmd = NULL;
5091 char_u *p;
5092 int i;
5093 int cmp = 1;
5094 char_u *rep_buf = NULL;
5095 garray_T *gap;
5096
5097 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5098 if (rep_buf == NULL)
5099 {
5100 /* Can't replace termcodes - try using the string as is */
5101 rep_buf = vim_strsave(rep);
5102
5103 /* Give up if out of memory */
5104 if (rep_buf == NULL)
5105 return FAIL;
5106 }
5107
5108 /* get address of growarray: global or in curbuf */
5109 if (flags & UC_BUFFER)
5110 {
5111 gap = &curbuf->b_ucmds;
5112 if (gap->ga_itemsize == 0)
5113 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5114 }
5115 else
5116 gap = &ucmds;
5117
5118 /* Search for the command in the already defined commands. */
5119 for (i = 0; i < gap->ga_len; ++i)
5120 {
5121 size_t len;
5122
5123 cmd = USER_CMD_GA(gap, i);
5124 len = STRLEN(cmd->uc_name);
5125 cmp = STRNCMP(name, cmd->uc_name, name_len);
5126 if (cmp == 0)
5127 {
5128 if (name_len < len)
5129 cmp = -1;
5130 else if (name_len > len)
5131 cmp = 1;
5132 }
5133
5134 if (cmp == 0)
5135 {
5136 if (!force)
5137 {
5138 EMSG(_("E174: Command already exists: add ! to replace it"));
5139 goto fail;
5140 }
5141
5142 vim_free(cmd->uc_rep);
5143 cmd->uc_rep = 0;
5144 break;
5145 }
5146
5147 /* Stop as soon as we pass the name to add */
5148 if (cmp < 0)
5149 break;
5150 }
5151
5152 /* Extend the array unless we're replacing an existing command */
5153 if (cmp != 0)
5154 {
5155 if (ga_grow(gap, 1) != OK)
5156 goto fail;
5157 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5158 goto fail;
5159
5160 cmd = USER_CMD_GA(gap, i);
5161 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5162
5163 ++gap->ga_len;
5164
5165 cmd->uc_name = p;
5166 }
5167
5168 cmd->uc_rep = rep_buf;
5169 cmd->uc_argt = argt;
5170 cmd->uc_def = def;
5171 cmd->uc_compl = compl;
5172 #ifdef FEAT_EVAL
5173 cmd->uc_scriptID = current_SID;
5174 # ifdef FEAT_CMDL_COMPL
5175 cmd->uc_compl_arg = compl_arg;
5176 # endif
5177 #endif
5178
5179 return OK;
5180
5181 fail:
5182 vim_free(rep_buf);
5183 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5184 vim_free(compl_arg);
5185 #endif
5186 return FAIL;
5187 }
5188
5189 /*
5190 * List of names for completion for ":command" with the EXPAND_ flag.
5191 * Must be alphabetical for completion.
5192 */
5193 static struct
5194 {
5195 int expand;
5196 char *name;
5197 } command_complete[] =
5198 {
5199 {EXPAND_AUGROUP, "augroup"},
5200 {EXPAND_BUFFERS, "buffer"},
5201 {EXPAND_COMMANDS, "command"},
5202 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5203 {EXPAND_USER_DEFINED, "custom"},
5204 {EXPAND_USER_LIST, "customlist"},
5205 #endif
5206 {EXPAND_DIRECTORIES, "dir"},
5207 {EXPAND_ENV_VARS, "environment"},
5208 {EXPAND_EVENTS, "event"},
5209 {EXPAND_EXPRESSION, "expression"},
5210 {EXPAND_FILES, "file"},
5211 {EXPAND_FUNCTIONS, "function"},
5212 {EXPAND_HELP, "help"},
5213 {EXPAND_HIGHLIGHT, "highlight"},
5214 {EXPAND_MAPPINGS, "mapping"},
5215 {EXPAND_MENUS, "menu"},
5216 {EXPAND_SETTINGS, "option"},
5217 {EXPAND_SHELLCMD, "shellcmd"},
5218 {EXPAND_TAGS, "tag"},
5219 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5220 {EXPAND_USER_VARS, "var"},
5221 {0, NULL}
5222 };
5223
5224 static void
5225 uc_list(name, name_len)
5226 char_u *name;
5227 size_t name_len;
5228 {
5229 int i, j;
5230 int found = FALSE;
5231 ucmd_T *cmd;
5232 int len;
5233 long a;
5234 garray_T *gap;
5235
5236 gap = &curbuf->b_ucmds;
5237 for (;;)
5238 {
5239 for (i = 0; i < gap->ga_len; ++i)
5240 {
5241 cmd = USER_CMD_GA(gap, i);
5242 a = (long)cmd->uc_argt;
5243
5244 /* Skip commands which don't match the requested prefix */
5245 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5246 continue;
5247
5248 /* Put out the title first time */
5249 if (!found)
5250 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5251 found = TRUE;
5252 msg_putchar('\n');
5253 if (got_int)
5254 break;
5255
5256 /* Special cases */
5257 msg_putchar(a & BANG ? '!' : ' ');
5258 msg_putchar(a & REGSTR ? '"' : ' ');
5259 msg_putchar(gap != &ucmds ? 'b' : ' ');
5260 msg_putchar(' ');
5261
5262 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5263 len = (int)STRLEN(cmd->uc_name) + 4;
5264
5265 do {
5266 msg_putchar(' ');
5267 ++len;
5268 } while (len < 16);
5269
5270 len = 0;
5271
5272 /* Arguments */
5273 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5274 {
5275 case 0: IObuff[len++] = '0'; break;
5276 case (EXTRA): IObuff[len++] = '*'; break;
5277 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5278 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5279 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5280 }
5281
5282 do {
5283 IObuff[len++] = ' ';
5284 } while (len < 5);
5285
5286 /* Range */
5287 if (a & (RANGE|COUNT))
5288 {
5289 if (a & COUNT)
5290 {
5291 /* -count=N */
5292 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5293 len += (int)STRLEN(IObuff + len);
5294 }
5295 else if (a & DFLALL)
5296 IObuff[len++] = '%';
5297 else if (cmd->uc_def >= 0)
5298 {
5299 /* -range=N */
5300 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5301 len += (int)STRLEN(IObuff + len);
5302 }
5303 else
5304 IObuff[len++] = '.';
5305 }
5306
5307 do {
5308 IObuff[len++] = ' ';
5309 } while (len < 11);
5310
5311 /* Completion */
5312 for (j = 0; command_complete[j].expand != 0; ++j)
5313 if (command_complete[j].expand == cmd->uc_compl)
5314 {
5315 STRCPY(IObuff + len, command_complete[j].name);
5316 len += (int)STRLEN(IObuff + len);
5317 break;
5318 }
5319
5320 do {
5321 IObuff[len++] = ' ';
5322 } while (len < 21);
5323
5324 IObuff[len] = '\0';
5325 msg_outtrans(IObuff);
5326
5327 msg_outtrans_special(cmd->uc_rep, FALSE);
5328 #ifdef FEAT_EVAL
5329 if (p_verbose > 0)
5330 last_set_msg(cmd->uc_scriptID);
5331 #endif
5332 out_flush();
5333 ui_breakcheck();
5334 if (got_int)
5335 break;
5336 }
5337 if (gap == &ucmds || i < gap->ga_len)
5338 break;
5339 gap = &ucmds;
5340 }
5341
5342 if (!found)
5343 MSG(_("No user-defined commands found"));
5344 }
5345
5346 static char_u *
5347 uc_fun_cmd()
5348 {
5349 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5350 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5351 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5352 0xb9, 0x7f, 0};
5353 int i;
5354
5355 for (i = 0; fcmd[i]; ++i)
5356 IObuff[i] = fcmd[i] - 0x40;
5357 IObuff[i] = 0;
5358 return IObuff;
5359 }
5360
5361 static int
5362 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5363 char_u *attr;
5364 size_t len;
5365 long *argt;
5366 long *def;
5367 int *flags;
5368 int *compl;
5369 char_u **compl_arg;
5370 {
5371 char_u *p;
5372
5373 if (len == 0)
5374 {
5375 EMSG(_("E175: No attribute specified"));
5376 return FAIL;
5377 }
5378
5379 /* First, try the simple attributes (no arguments) */
5380 if (STRNICMP(attr, "bang", len) == 0)
5381 *argt |= BANG;
5382 else if (STRNICMP(attr, "buffer", len) == 0)
5383 *flags |= UC_BUFFER;
5384 else if (STRNICMP(attr, "register", len) == 0)
5385 *argt |= REGSTR;
5386 else if (STRNICMP(attr, "bar", len) == 0)
5387 *argt |= TRLBAR;
5388 else
5389 {
5390 int i;
5391 char_u *val = NULL;
5392 size_t vallen = 0;
5393 size_t attrlen = len;
5394
5395 /* Look for the attribute name - which is the part before any '=' */
5396 for (i = 0; i < (int)len; ++i)
5397 {
5398 if (attr[i] == '=')
5399 {
5400 val = &attr[i + 1];
5401 vallen = len - i - 1;
5402 attrlen = i;
5403 break;
5404 }
5405 }
5406
5407 if (STRNICMP(attr, "nargs", attrlen) == 0)
5408 {
5409 if (vallen == 1)
5410 {
5411 if (*val == '0')
5412 /* Do nothing - this is the default */;
5413 else if (*val == '1')
5414 *argt |= (EXTRA | NOSPC | NEEDARG);
5415 else if (*val == '*')
5416 *argt |= EXTRA;
5417 else if (*val == '?')
5418 *argt |= (EXTRA | NOSPC);
5419 else if (*val == '+')
5420 *argt |= (EXTRA | NEEDARG);
5421 else
5422 goto wrong_nargs;
5423 }
5424 else
5425 {
5426 wrong_nargs:
5427 EMSG(_("E176: Invalid number of arguments"));
5428 return FAIL;
5429 }
5430 }
5431 else if (STRNICMP(attr, "range", attrlen) == 0)
5432 {
5433 *argt |= RANGE;
5434 if (vallen == 1 && *val == '%')
5435 *argt |= DFLALL;
5436 else if (val != NULL)
5437 {
5438 p = val;
5439 if (*def >= 0)
5440 {
5441 two_count:
5442 EMSG(_("E177: Count cannot be specified twice"));
5443 return FAIL;
5444 }
5445
5446 *def = getdigits(&p);
5447 *argt |= (ZEROR | NOTADR);
5448
5449 if (p != val + vallen || vallen == 0)
5450 {
5451 invalid_count:
5452 EMSG(_("E178: Invalid default value for count"));
5453 return FAIL;
5454 }
5455 }
5456 }
5457 else if (STRNICMP(attr, "count", attrlen) == 0)
5458 {
5459 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5460
5461 if (val != NULL)
5462 {
5463 p = val;
5464 if (*def >= 0)
5465 goto two_count;
5466
5467 *def = getdigits(&p);
5468
5469 if (p != val + vallen)
5470 goto invalid_count;
5471 }
5472
5473 if (*def < 0)
5474 *def = 0;
5475 }
5476 else if (STRNICMP(attr, "complete", attrlen) == 0)
5477 {
5478 if (val == NULL)
5479 {
5480 EMSG(_("E179: argument required for -complete"));
5481 return FAIL;
5482 }
5483
5484 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5485 == FAIL)
5486 return FAIL;
5487 }
5488 else
5489 {
5490 char_u ch = attr[len];
5491 attr[len] = '\0';
5492 EMSG2(_("E181: Invalid attribute: %s"), attr);
5493 attr[len] = ch;
5494 return FAIL;
5495 }
5496 }
5497
5498 return OK;
5499 }
5500
5501 static void
5502 ex_command(eap)
5503 exarg_T *eap;
5504 {
5505 char_u *name;
5506 char_u *end;
5507 char_u *p;
5508 long argt = 0;
5509 long def = -1;
5510 int flags = 0;
5511 int compl = EXPAND_NOTHING;
5512 char_u *compl_arg = NULL;
5513 int has_attr = (eap->arg[0] == '-');
5514
5515 p = eap->arg;
5516
5517 /* Check for attributes */
5518 while (*p == '-')
5519 {
5520 ++p;
5521 end = skiptowhite(p);
5522 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5523 == FAIL)
5524 return;
5525 p = skipwhite(end);
5526 }
5527
5528 /* Get the name (if any) and skip to the following argument */
5529 name = p;
5530 if (ASCII_ISALPHA(*p))
5531 while (ASCII_ISALNUM(*p))
5532 ++p;
5533 if (!ends_excmd(*p) && !vim_iswhite(*p))
5534 {
5535 EMSG(_("E182: Invalid command name"));
5536 return;
5537 }
5538 end = p;
5539
5540 /* If there is nothing after the name, and no attributes were specified,
5541 * we are listing commands
5542 */
5543 p = skipwhite(end);
5544 if (!has_attr && ends_excmd(*p))
5545 {
5546 uc_list(name, end - name);
5547 }
5548 else if (!ASCII_ISUPPER(*name))
5549 {
5550 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5551 return;
5552 }
5553 else
5554 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5555 eap->forceit);
5556 }
5557
5558 /*
5559 * ":comclear"
5560 * Clear all user commands, global and for current buffer.
5561 */
5562 /*ARGSUSED*/
5563 void
5564 ex_comclear(eap)
5565 exarg_T *eap;
5566 {
5567 uc_clear(&ucmds);
5568 uc_clear(&curbuf->b_ucmds);
5569 }
5570
5571 /*
5572 * Clear all user commands for "gap".
5573 */
5574 void
5575 uc_clear(gap)
5576 garray_T *gap;
5577 {
5578 int i;
5579 ucmd_T *cmd;
5580
5581 for (i = 0; i < gap->ga_len; ++i)
5582 {
5583 cmd = USER_CMD_GA(gap, i);
5584 vim_free(cmd->uc_name);
5585 vim_free(cmd->uc_rep);
5586 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5587 vim_free(cmd->uc_compl_arg);
5588 # endif
5589 }
5590 ga_clear(gap);
5591 }
5592
5593 static void
5594 ex_delcommand(eap)
5595 exarg_T *eap;
5596 {
5597 int i = 0;
5598 ucmd_T *cmd = NULL;
5599 int cmp = -1;
5600 garray_T *gap;
5601
5602 gap = &curbuf->b_ucmds;
5603 for (;;)
5604 {
5605 for (i = 0; i < gap->ga_len; ++i)
5606 {
5607 cmd = USER_CMD_GA(gap, i);
5608 cmp = STRCMP(eap->arg, cmd->uc_name);
5609 if (cmp <= 0)
5610 break;
5611 }
5612 if (gap == &ucmds || cmp == 0)
5613 break;
5614 gap = &ucmds;
5615 }
5616
5617 if (cmp != 0)
5618 {
5619 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5620 return;
5621 }
5622
5623 vim_free(cmd->uc_name);
5624 vim_free(cmd->uc_rep);
5625 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5626 vim_free(cmd->uc_compl_arg);
5627 # endif
5628
5629 --gap->ga_len;
5630
5631 if (i < gap->ga_len)
5632 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5633 }
5634
5635 /*
5636 * split and quote args for <f-args>
5637 */
5638 static char_u *
5639 uc_split_args(arg, lenp)
5640 char_u *arg;
5641 size_t *lenp;
5642 {
5643 char_u *buf;
5644 char_u *p;
5645 char_u *q;
5646 int len;
5647
5648 /* Precalculate length */
5649 p = arg;
5650 len = 2; /* Initial and final quotes */
5651
5652 while (*p)
5653 {
5654 if (p[0] == '\\' && p[1] == '\\')
5655 {
5656 len += 2;
5657 p += 2;
5658 }
5659 else if (p[0] == '\\' && vim_iswhite(p[1]))
5660 {
5661 len += 1;
5662 p += 2;
5663 }
5664 else if (*p == '\\' || *p == '"')
5665 {
5666 len += 2;
5667 p += 1;
5668 }
5669 else if (vim_iswhite(*p))
5670 {
5671 p = skipwhite(p);
5672 if (*p == NUL)
5673 break;
5674 len += 3; /* "," */
5675 }
5676 else
5677 {
5678 ++len;
5679 ++p;
5680 }
5681 }
5682
5683 buf = alloc(len + 1);
5684 if (buf == NULL)
5685 {
5686 *lenp = 0;
5687 return buf;
5688 }
5689
5690 p = arg;
5691 q = buf;
5692 *q++ = '"';
5693 while (*p)
5694 {
5695 if (p[0] == '\\' && p[1] == '\\')
5696 {
5697 *q++ = '\\';
5698 *q++ = '\\';
5699 p += 2;
5700 }
5701 else if (p[0] == '\\' && vim_iswhite(p[1]))
5702 {
5703 *q++ = p[1];
5704 p += 2;
5705 }
5706 else if (*p == '\\' || *p == '"')
5707 {
5708 *q++ = '\\';
5709 *q++ = *p++;
5710 }
5711 else if (vim_iswhite(*p))
5712 {
5713 p = skipwhite(p);
5714 if (*p == NUL)
5715 break;
5716 *q++ = '"';
5717 *q++ = ',';
5718 *q++ = '"';
5719 }
5720 else
5721 {
5722 *q++ = *p++;
5723 }
5724 }
5725 *q++ = '"';
5726 *q = 0;
5727
5728 *lenp = len;
5729 return buf;
5730 }
5731
5732 /*
5733 * Check for a <> code in a user command.
5734 * "code" points to the '<'. "len" the length of the <> (inclusive).
5735 * "buf" is where the result is to be added.
5736 * "split_buf" points to a buffer used for splitting, caller should free it.
5737 * "split_len" is the length of what "split_buf" contains.
5738 * Returns the length of the replacement, which has been added to "buf".
5739 * Returns -1 if there was no match, and only the "<" has been copied.
5740 */
5741 static size_t
5742 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5743 char_u *code;
5744 size_t len;
5745 char_u *buf;
5746 ucmd_T *cmd; /* the user command we're expanding */
5747 exarg_T *eap; /* ex arguments */
5748 char_u **split_buf;
5749 size_t *split_len;
5750 {
5751 size_t result = 0;
5752 char_u *p = code + 1;
5753 size_t l = len - 2;
5754 int quote = 0;
5755 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5756 ct_LT, ct_NONE } type = ct_NONE;
5757
5758 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5759 {
5760 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5761 p += 2;
5762 l -= 2;
5763 }
5764
5765 ++l;
5766 if (l <= 1)
5767 type = ct_NONE;
5768 else if (STRNICMP(p, "args>", l) == 0)
5769 type = ct_ARGS;
5770 else if (STRNICMP(p, "bang>", l) == 0)
5771 type = ct_BANG;
5772 else if (STRNICMP(p, "count>", l) == 0)
5773 type = ct_COUNT;
5774 else if (STRNICMP(p, "line1>", l) == 0)
5775 type = ct_LINE1;
5776 else if (STRNICMP(p, "line2>", l) == 0)
5777 type = ct_LINE2;
5778 else if (STRNICMP(p, "lt>", l) == 0)
5779 type = ct_LT;
5780 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5781 type = ct_REGISTER;
5782
5783 switch (type)
5784 {
5785 case ct_ARGS:
5786 /* Simple case first */
5787 if (*eap->arg == NUL)
5788 {
5789 if (quote == 1)
5790 {
5791 result = 2;
5792 if (buf != NULL)
5793 STRCPY(buf, "''");
5794 }
5795 else
5796 result = 0;
5797 break;
5798 }
5799
5800 /* When specified there is a single argument don't split it.
5801 * Works for ":Cmd %" when % is "a b c". */
5802 if ((eap->argt & NOSPC) && quote == 2)
5803 quote = 1;
5804
5805 switch (quote)
5806 {
5807 case 0: /* No quoting, no splitting */
5808 result = STRLEN(eap->arg);
5809 if (buf != NULL)
5810 STRCPY(buf, eap->arg);
5811 break;
5812 case 1: /* Quote, but don't split */
5813 result = STRLEN(eap->arg) + 2;
5814 for (p = eap->arg; *p; ++p)
5815 {
5816 if (*p == '\\' || *p == '"')
5817 ++result;
5818 }
5819
5820 if (buf != NULL)
5821 {
5822 *buf++ = '"';
5823 for (p = eap->arg; *p; ++p)
5824 {
5825 if (*p == '\\' || *p == '"')
5826 *buf++ = '\\';
5827 *buf++ = *p;
5828 }
5829 *buf = '"';
5830 }
5831
5832 break;
5833 case 2: /* Quote and split (<f-args>) */
5834 /* This is hard, so only do it once, and cache the result */
5835 if (*split_buf == NULL)
5836 *split_buf = uc_split_args(eap->arg, split_len);
5837
5838 result = *split_len;
5839 if (buf != NULL && result != 0)
5840 STRCPY(buf, *split_buf);
5841
5842 break;
5843 }
5844 break;
5845
5846 case ct_BANG:
5847 result = eap->forceit ? 1 : 0;
5848 if (quote)
5849 result += 2;
5850 if (buf != NULL)
5851 {
5852 if (quote)
5853 *buf++ = '"';
5854 if (eap->forceit)
5855 *buf++ = '!';
5856 if (quote)
5857 *buf = '"';
5858 }
5859 break;
5860
5861 case ct_LINE1:
5862 case ct_LINE2:
5863 case ct_COUNT:
5864 {
5865 char num_buf[20];
5866 long num = (type == ct_LINE1) ? eap->line1 :
5867 (type == ct_LINE2) ? eap->line2 :
5868 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5869 size_t num_len;
5870
5871 sprintf(num_buf, "%ld", num);
5872 num_len = STRLEN(num_buf);
5873 result = num_len;
5874
5875 if (quote)
5876 result += 2;
5877
5878 if (buf != NULL)
5879 {
5880 if (quote)
5881 *buf++ = '"';
5882 STRCPY(buf, num_buf);
5883 buf += num_len;
5884 if (quote)
5885 *buf = '"';
5886 }
5887
5888 break;
5889 }
5890
5891 case ct_REGISTER:
5892 result = eap->regname ? 1 : 0;
5893 if (quote)
5894 result += 2;
5895 if (buf != NULL)
5896 {
5897 if (quote)
5898 *buf++ = '\'';
5899 if (eap->regname)
5900 *buf++ = eap->regname;
5901 if (quote)
5902 *buf = '\'';
5903 }
5904 break;
5905
5906 case ct_LT:
5907 result = 1;
5908 if (buf != NULL)
5909 *buf = '<';
5910 break;
5911
5912 default:
5913 /* Not recognized: just copy the '<' and return -1. */
5914 result = (size_t)-1;
5915 if (buf != NULL)
5916 *buf = '<';
5917 break;
5918 }
5919
5920 return result;
5921 }
5922
5923 static void
5924 do_ucmd(eap)
5925 exarg_T *eap;
5926 {
5927 char_u *buf;
5928 char_u *p;
5929 char_u *q;
5930
5931 char_u *start;
5932 char_u *end;
5933 size_t len, totlen;
5934
5935 size_t split_len = 0;
5936 char_u *split_buf = NULL;
5937 ucmd_T *cmd;
5938 #ifdef FEAT_EVAL
5939 scid_T save_current_SID = current_SID;
5940 #endif
5941
5942 if (eap->cmdidx == CMD_USER)
5943 cmd = USER_CMD(eap->useridx);
5944 else
5945 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5946
5947 /*
5948 * Replace <> in the command by the arguments.
5949 */
5950 buf = NULL;
5951 for (;;)
5952 {
5953 p = cmd->uc_rep;
5954 q = buf;
5955 totlen = 0;
5956 while ((start = vim_strchr(p, '<')) != NULL
5957 && (end = vim_strchr(start + 1, '>')) != NULL)
5958 {
5959 /* Include the '>' */
5960 ++end;
5961
5962 /* Take everything up to the '<' */
5963 len = start - p;
5964 if (buf == NULL)
5965 totlen += len;
5966 else
5967 {
5968 mch_memmove(q, p, len);
5969 q += len;
5970 }
5971
5972 len = uc_check_code(start, end - start, q, cmd, eap,
5973 &split_buf, &split_len);
5974 if (len == (size_t)-1)
5975 {
5976 /* no match, continue after '<' */
5977 p = start + 1;
5978 len = 1;
5979 }
5980 else
5981 p = end;
5982 if (buf == NULL)
5983 totlen += len;
5984 else
5985 q += len;
5986 }
5987 if (buf != NULL) /* second time here, finished */
5988 {
5989 STRCPY(q, p);
5990 break;
5991 }
5992
5993 totlen += STRLEN(p); /* Add on the trailing characters */
5994 buf = alloc((unsigned)(totlen + 1));
5995 if (buf == NULL)
5996 {
5997 vim_free(split_buf);
5998 return;
5999 }
6000 }
6001
6002 #ifdef FEAT_EVAL
6003 current_SID = cmd->uc_scriptID;
6004 #endif
6005 (void)do_cmdline(buf, eap->getline, eap->cookie,
6006 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6007 #ifdef FEAT_EVAL
6008 current_SID = save_current_SID;
6009 #endif
6010 vim_free(buf);
6011 vim_free(split_buf);
6012 }
6013
6014 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6015 static char_u *
6016 get_user_command_name(idx)
6017 int idx;
6018 {
6019 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6020 }
6021
6022 /*
6023 * Function given to ExpandGeneric() to obtain the list of user command names.
6024 */
6025 /*ARGSUSED*/
6026 char_u *
6027 get_user_commands(xp, idx)
6028 expand_T *xp;
6029 int idx;
6030 {
6031 if (idx < curbuf->b_ucmds.ga_len)
6032 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6033 idx -= curbuf->b_ucmds.ga_len;
6034 if (idx < ucmds.ga_len)
6035 return USER_CMD(idx)->uc_name;
6036 return NULL;
6037 }
6038
6039 /*
6040 * Function given to ExpandGeneric() to obtain the list of user command
6041 * attributes.
6042 */
6043 /*ARGSUSED*/
6044 char_u *
6045 get_user_cmd_flags(xp, idx)
6046 expand_T *xp;
6047 int idx;
6048 {
6049 static char *user_cmd_flags[] =
6050 {"bang", "bar", "buffer", "complete", "count",
6051 "nargs", "range", "register"};
6052
6053 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6054 return NULL;
6055 return (char_u *)user_cmd_flags[idx];
6056 }
6057
6058 /*
6059 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6060 */
6061 /*ARGSUSED*/
6062 char_u *
6063 get_user_cmd_nargs(xp, idx)
6064 expand_T *xp;
6065 int idx;
6066 {
6067 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6068
6069 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6070 return NULL;
6071 return (char_u *)user_cmd_nargs[idx];
6072 }
6073
6074 /*
6075 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6076 */
6077 /*ARGSUSED*/
6078 char_u *
6079 get_user_cmd_complete(xp, idx)
6080 expand_T *xp;
6081 int idx;
6082 {
6083 return (char_u *)command_complete[idx].name;
6084 }
6085 # endif /* FEAT_CMDL_COMPL */
6086
6087 #endif /* FEAT_USR_CMDS */
6088
6089 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6090 /*
6091 * Parse a completion argument "value[vallen]".
6092 * The detected completion goes in "*complp", argument type in "*argt".
6093 * When there is an argument, for function and user defined completion, it's
6094 * copied to allocated memory and stored in "*compl_arg".
6095 * Returns FAIL if something is wrong.
6096 */
6097 int
6098 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6099 char_u *value;
6100 int vallen;
6101 int *complp;
6102 long *argt;
6103 char_u **compl_arg;
6104 {
6105 char_u *arg = NULL;
6106 size_t arglen = 0;
6107 int i;
6108 int valend = vallen;
6109
6110 /* Look for any argument part - which is the part after any ',' */
6111 for (i = 0; i < vallen; ++i)
6112 {
6113 if (value[i] == ',')
6114 {
6115 arg = &value[i + 1];
6116 arglen = vallen - i - 1;
6117 valend = i;
6118 break;
6119 }
6120 }
6121
6122 for (i = 0; command_complete[i].expand != 0; ++i)
6123 {
6124 if ((int)STRLEN(command_complete[i].name) == valend
6125 && STRNCMP(value, command_complete[i].name, valend) == 0)
6126 {
6127 *complp = command_complete[i].expand;
6128 if (command_complete[i].expand == EXPAND_BUFFERS)
6129 *argt |= BUFNAME;
6130 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6131 || command_complete[i].expand == EXPAND_FILES)
6132 *argt |= XFILE;
6133 break;
6134 }
6135 }
6136
6137 if (command_complete[i].expand == 0)
6138 {
6139 EMSG2(_("E180: Invalid complete value: %s"), value);
6140 return FAIL;
6141 }
6142
6143 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6144 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6145 && arg != NULL)
6146 # else
6147 if (arg != NULL)
6148 # endif
6149 {
6150 EMSG(_("E468: Completion argument only allowed for custom completion"));
6151 return FAIL;
6152 }
6153
6154 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6155 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6156 && arg == NULL)
6157 {
6158 EMSG(_("E467: Custom completion requires a function argument"));
6159 return FAIL;
6160 }
6161
6162 if (arg != NULL)
6163 *compl_arg = vim_strnsave(arg, (int)arglen);
6164 # endif
6165 return OK;
6166 }
6167 #endif
6168
6169 static void
6170 ex_colorscheme(eap)
6171 exarg_T *eap;
6172 {
6173 if (load_colors(eap->arg) == FAIL)
6174 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6175 }
6176
6177 static void
6178 ex_highlight(eap)
6179 exarg_T *eap;
6180 {
6181 if (*eap->arg == NUL && eap->cmd[2] == '!')
6182 MSG(_("Greetings, Vim user!"));
6183 do_highlight(eap->arg, eap->forceit, FALSE);
6184 }
6185
6186
6187 /*
6188 * Call this function if we thought we were going to exit, but we won't
6189 * (because of an error). May need to restore the terminal mode.
6190 */
6191 void
6192 not_exiting()
6193 {
6194 exiting = FALSE;
6195 settmode(TMODE_RAW);
6196 }
6197
6198 /*
6199 * ":quit": quit current window, quit Vim if closed the last window.
6200 */
6201 static void
6202 ex_quit(eap)
6203 exarg_T *eap;
6204 {
6205 #ifdef FEAT_CMDWIN
6206 if (cmdwin_type != 0)
6207 {
6208 cmdwin_result = Ctrl_C;
6209 return;
6210 }
6211 #endif
6212 /* Don't quit while editing the command line. */
6213 if (text_locked())
6214 {
6215 text_locked_msg();
6216 return;
6217 }
6218 #ifdef FEAT_AUTOCMD
6219 if (curbuf_locked())
6220 return;
6221 #endif
6222
6223 #ifdef FEAT_NETBEANS_INTG
6224 netbeansForcedQuit = eap->forceit;
6225 #endif
6226
6227 /*
6228 * If there are more files or windows we won't exit.
6229 */
6230 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6231 exiting = TRUE;
6232 if ((!P_HID(curbuf)
6233 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6234 || check_more(TRUE, eap->forceit) == FAIL
6235 || (only_one_window() && check_changed_any(eap->forceit)))
6236 {
6237 not_exiting();
6238 }
6239 else
6240 {
6241 #ifdef FEAT_WINDOWS
6242 if (only_one_window()) /* quit last window */
6243 #endif
6244 getout(0);
6245 #ifdef FEAT_WINDOWS
6246 # ifdef FEAT_GUI
6247 need_mouse_correct = TRUE;
6248 # endif
6249 /* close window; may free buffer */
6250 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6251 #endif
6252 }
6253 }
6254
6255 /*
6256 * ":cquit".
6257 */
6258 /*ARGSUSED*/
6259 static void
6260 ex_cquit(eap)
6261 exarg_T *eap;
6262 {
6263 getout(1); /* this does not always pass on the exit code to the Manx
6264 compiler. why? */
6265 }
6266
6267 /*
6268 * ":qall": try to quit all windows
6269 */
6270 static void
6271 ex_quit_all(eap)
6272 exarg_T *eap;
6273 {
6274 # ifdef FEAT_CMDWIN
6275 if (cmdwin_type != 0)
6276 {
6277 if (eap->forceit)
6278 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6279 else
6280 cmdwin_result = K_XF2;
6281 return;
6282 }
6283 # endif
6284
6285 /* Don't quit while editing the command line. */
6286 if (text_locked())
6287 {
6288 text_locked_msg();
6289 return;
6290 }
6291 #ifdef FEAT_AUTOCMD
6292 if (curbuf_locked())
6293 return;
6294 #endif
6295
6296 exiting = TRUE;
6297 if (eap->forceit || !check_changed_any(FALSE))
6298 getout(0);
6299 not_exiting();
6300 }
6301
6302 #if defined(FEAT_WINDOWS) || defined(PROTO)
6303 /*
6304 * ":close": close current window, unless it is the last one
6305 */
6306 static void
6307 ex_close(eap)
6308 exarg_T *eap;
6309 {
6310 # ifdef FEAT_CMDWIN
6311 if (cmdwin_type != 0)
6312 cmdwin_result = K_IGNORE;
6313 else
6314 # endif
6315 if (!text_locked()
6316 #ifdef FEAT_AUTOCMD
6317 && !curbuf_locked()
6318 #endif
6319 )
6320 ex_win_close(eap->forceit, curwin, NULL);
6321 }
6322
6323 # ifdef FEAT_QUICKFIX
6324 /*
6325 * ":pclose": Close any preview window.
6326 */
6327 static void
6328 ex_pclose(eap)
6329 exarg_T *eap;
6330 {
6331 win_T *win;
6332
6333 for (win = firstwin; win != NULL; win = win->w_next)
6334 if (win->w_p_pvw)
6335 {
6336 ex_win_close(eap->forceit, win, NULL);
6337 break;
6338 }
6339 }
6340 # endif
6341
6342 /*
6343 * Close window "win" and take care of handling closing the last window for a
6344 * modified buffer.
6345 */
6346 static void
6347 ex_win_close(forceit, win, tp)
6348 int forceit;
6349 win_T *win;
6350 tabpage_T *tp; /* NULL or the tab page "win" is in */
6351 {
6352 int need_hide;
6353 buf_T *buf = win->w_buffer;
6354
6355 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6356 if (need_hide && !P_HID(buf) && !forceit)
6357 {
6358 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6359 if ((p_confirm || cmdmod.confirm) && p_write)
6360 {
6361 dialog_changed(buf, FALSE);
6362 if (buf_valid(buf) && bufIsChanged(buf))
6363 return;
6364 need_hide = FALSE;
6365 }
6366 else
6367 # endif
6368 {
6369 EMSG(_(e_nowrtmsg));
6370 return;
6371 }
6372 }
6373
6374 # ifdef FEAT_GUI
6375 need_mouse_correct = TRUE;
6376 # endif
6377
6378 /* free buffer when not hiding it or when it's a scratch buffer */
6379 if (tp == NULL)
6380 win_close(win, !need_hide && !P_HID(buf));
6381 else
6382 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6383 }
6384
6385 /*
6386 * ":tabclose": close current tab page, unless it is the last one.
6387 * ":tabclose N": close tab page N.
6388 */
6389 static void
6390 ex_tabclose(eap)
6391 exarg_T *eap;
6392 {
6393 tabpage_T *tp;
6394
6395 # ifdef FEAT_CMDWIN
6396 if (cmdwin_type != 0)
6397 cmdwin_result = K_IGNORE;
6398 else
6399 # endif
6400 if (first_tabpage->tp_next == NULL)
6401 EMSG(_("E784: Cannot close last tab page"));
6402 else
6403 {
6404 if (eap->addr_count > 0)
6405 {
6406 tp = find_tabpage((int)eap->line2);
6407 if (tp == NULL)
6408 {
6409 beep_flush();
6410 return;
6411 }
6412 if (tp != curtab)
6413 {
6414 tabpage_close_other(tp, eap->forceit);
6415 return;
6416 }
6417 }
6418 if (!text_locked()
6419 #ifdef FEAT_AUTOCMD
6420 && !curbuf_locked()
6421 #endif
6422 )
6423 tabpage_close(eap->forceit);
6424 }
6425 }
6426
6427 /*
6428 * ":tabonly": close all tab pages except the current one
6429 */
6430 static void
6431 ex_tabonly(eap)
6432 exarg_T *eap;
6433 {
6434 tabpage_T *tp;
6435 int done;
6436
6437 # ifdef FEAT_CMDWIN
6438 if (cmdwin_type != 0)
6439 cmdwin_result = K_IGNORE;
6440 else
6441 # endif
6442 if (first_tabpage->tp_next == NULL)
6443 MSG(_("Already only one tab page"));
6444 else
6445 {
6446 /* Repeat this up to a 1000 times, because autocommands may mess
6447 * up the lists. */
6448 for (done = 0; done < 1000; ++done)
6449 {
6450 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6451 if (tp->tp_topframe != topframe)
6452 {
6453 tabpage_close_other(tp, eap->forceit);
6454 /* if we failed to close it quit */
6455 if (valid_tabpage(tp))
6456 done = 1000;
6457 /* start over, "tp" is now invalid */
6458 break;
6459 }
6460 if (first_tabpage->tp_next == NULL)
6461 break;
6462 }
6463 }
6464 }
6465
6466 /*
6467 * Close the current tab page.
6468 */
6469 void
6470 tabpage_close(forceit)
6471 int forceit;
6472 {
6473 /* First close all the windows but the current one. If that worked then
6474 * close the last window in this tab, that will close it. */
6475 if (lastwin != firstwin)
6476 close_others(TRUE, forceit);
6477 if (lastwin == firstwin)
6478 ex_win_close(forceit, curwin, NULL);
6479 # ifdef FEAT_GUI
6480 need_mouse_correct = TRUE;
6481 # endif
6482 }
6483
6484 /*
6485 * Close tab page "tp", which is not the current tab page.
6486 * Note that autocommands may make "tp" invalid.
6487 * Also takes care of the tab pages line disappearing when closing the
6488 * last-but-one tab page.
6489 */
6490 void
6491 tabpage_close_other(tp, forceit)
6492 tabpage_T *tp;
6493 int forceit;
6494 {
6495 int done = 0;
6496 win_T *wp;
6497 int h = tabline_height();
6498
6499 /* Limit to 1000 windows, autocommands may add a window while we close
6500 * one. OK, so I'm paranoid... */
6501 while (++done < 1000)
6502 {
6503 wp = tp->tp_firstwin;
6504 ex_win_close(forceit, wp, tp);
6505
6506 /* Autocommands may delete the tab page under our fingers and we may
6507 * fail to close a window with a modified buffer. */
6508 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6509 break;
6510 }
6511
6512 redraw_tabline = TRUE;
6513 if (h != tabline_height())
6514 shell_new_rows();
6515 }
6516
6517 /*
6518 * ":only".
6519 */
6520 static void
6521 ex_only(eap)
6522 exarg_T *eap;
6523 {
6524 # ifdef FEAT_GUI
6525 need_mouse_correct = TRUE;
6526 # endif
6527 close_others(TRUE, eap->forceit);
6528 }
6529
6530 /*
6531 * ":all" and ":sall".
6532 * Also used for ":tab drop file ..." after setting the argument list.
6533 */
6534 void
6535 ex_all(eap)
6536 exarg_T *eap;
6537 {
6538 if (eap->addr_count == 0)
6539 eap->line2 = 9999;
6540 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6541 }
6542 #endif /* FEAT_WINDOWS */
6543
6544 static void
6545 ex_hide(eap)
6546 exarg_T *eap;
6547 {
6548 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6549 eap->errmsg = e_invarg;
6550 else
6551 {
6552 /* ":hide" or ":hide | cmd": hide current window */
6553 eap->nextcmd = check_nextcmd(eap->arg);
6554 #ifdef FEAT_WINDOWS
6555 if (!eap->skip)
6556 {
6557 # ifdef FEAT_GUI
6558 need_mouse_correct = TRUE;
6559 # endif
6560 win_close(curwin, FALSE); /* don't free buffer */
6561 }
6562 #endif
6563 }
6564 }
6565
6566 /*
6567 * ":stop" and ":suspend": Suspend Vim.
6568 */
6569 static void
6570 ex_stop(eap)
6571 exarg_T *eap;
6572 {
6573 /*
6574 * Disallow suspending for "rvim".
6575 */
6576 if (!check_restricted()
6577 #ifdef WIN3264
6578 /*
6579 * Check if external commands are allowed now.
6580 */
6581 && can_end_termcap_mode(TRUE)
6582 #endif
6583 )
6584 {
6585 if (!eap->forceit)
6586 autowrite_all();
6587 windgoto((int)Rows - 1, 0);
6588 out_char('\n');
6589 out_flush();
6590 stoptermcap();
6591 out_flush(); /* needed for SUN to restore xterm buffer */
6592 #ifdef FEAT_TITLE
6593 mch_restore_title(3); /* restore window titles */
6594 #endif
6595 ui_suspend(); /* call machine specific function */
6596 #ifdef FEAT_TITLE
6597 maketitle();
6598 resettitle(); /* force updating the title */
6599 #endif
6600 starttermcap();
6601 scroll_start(); /* scroll screen before redrawing */
6602 redraw_later_clear();
6603 shell_resized(); /* may have resized window */
6604 }
6605 }
6606
6607 /*
6608 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6609 */
6610 static void
6611 ex_exit(eap)
6612 exarg_T *eap;
6613 {
6614 #ifdef FEAT_CMDWIN
6615 if (cmdwin_type != 0)
6616 {
6617 cmdwin_result = Ctrl_C;
6618 return;
6619 }
6620 #endif
6621 /* Don't quit while editing the command line. */
6622 if (text_locked())
6623 {
6624 text_locked_msg();
6625 return;
6626 }
6627 #ifdef FEAT_AUTOCMD
6628 if (curbuf_locked())
6629 return;
6630 #endif
6631
6632 /*
6633 * if more files or windows we won't exit
6634 */
6635 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6636 exiting = TRUE;
6637 if ( ((eap->cmdidx == CMD_wq
6638 || curbufIsChanged())
6639 && do_write(eap) == FAIL)
6640 || check_more(TRUE, eap->forceit) == FAIL
6641 || (only_one_window() && check_changed_any(eap->forceit)))
6642 {
6643 not_exiting();
6644 }
6645 else
6646 {
6647 #ifdef FEAT_WINDOWS
6648 if (only_one_window()) /* quit last window, exit Vim */
6649 #endif
6650 getout(0);
6651 #ifdef FEAT_WINDOWS
6652 # ifdef FEAT_GUI
6653 need_mouse_correct = TRUE;
6654 # endif
6655 /* quit current window, may free buffer */
6656 win_close(curwin, !P_HID(curwin->w_buffer));
6657 #endif
6658 }
6659 }
6660
6661 /*
6662 * ":print", ":list", ":number".
6663 */
6664 static void
6665 ex_print(eap)
6666 exarg_T *eap;
6667 {
6668 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6669 EMSG(_(e_emptybuf));
6670 else
6671 {
6672 for ( ;!got_int; ui_breakcheck())
6673 {
6674 print_line(eap->line1,
6675 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6676 || (eap->flags & EXFLAG_NR)),
6677 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6678 if (++eap->line1 > eap->line2)
6679 break;
6680 out_flush(); /* show one line at a time */
6681 }
6682 setpcmark();
6683 /* put cursor at last line */
6684 curwin->w_cursor.lnum = eap->line2;
6685 beginline(BL_SOL | BL_FIX);
6686 }
6687
6688 ex_no_reprint = TRUE;
6689 }
6690
6691 #ifdef FEAT_BYTEOFF
6692 static void
6693 ex_goto(eap)
6694 exarg_T *eap;
6695 {
6696 goto_byte(eap->line2);
6697 }
6698 #endif
6699
6700 /*
6701 * ":shell".
6702 */
6703 /*ARGSUSED*/
6704 static void
6705 ex_shell(eap)
6706 exarg_T *eap;
6707 {
6708 do_shell(NULL, 0);
6709 }
6710
6711 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6712 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6713 || defined(FEAT_GUI_MSWIN) \
6714 || defined(FEAT_GUI_MAC) \
6715 || defined(PROTO) \
6716 || defined(FEAT_GUI_MACVIM)
6717
6718 /*
6719 * Handle a file drop. The code is here because a drop is *nearly* like an
6720 * :args command, but not quite (we have a list of exact filenames, so we
6721 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6722 * code is very similar to :args and hence needs access to a lot of the static
6723 * functions in this file.
6724 *
6725 * The list should be allocated using alloc(), as should each item in the
6726 * list. This function takes over responsibility for freeing the list.
6727 *
6728 * XXX The list is made into the argument list. This is freed using
6729 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6730 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6731 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6732 * file functionality is (currently) not in EMX this is not presently a
6733 * problem.
6734 */
6735 void
6736 handle_drop(filec, filev, split)
6737 int filec; /* the number of files dropped */
6738 char_u **filev; /* the list of files dropped */
6739 int split; /* force splitting the window */
6740 {
6741 exarg_T ea;
6742 int save_msg_scroll = msg_scroll;
6743
6744 /* Postpone this while editing the command line. */
6745 if (text_locked())
6746 return;
6747 #ifdef FEAT_AUTOCMD
6748 if (curbuf_locked())
6749 return;
6750 #endif
6751
6752 /* Check whether the current buffer is changed. If so, we will need
6753 * to split the current window or data could be lost.
6754 * We don't need to check if the 'hidden' option is set, as in this
6755 * case the buffer won't be lost.
6756 */
6757 if (!P_HID(curbuf) && !split)
6758 {
6759 ++emsg_off;
6760 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6761 --emsg_off;
6762 }
6763 if (split)
6764 {
6765 # ifdef FEAT_WINDOWS
6766 if (win_split(0, 0) == FAIL)
6767 return;
6768 # ifdef FEAT_SCROLLBIND
6769 curwin->w_p_scb = FALSE;
6770 # endif
6771
6772 /* When splitting the window, create a new alist. Otherwise the
6773 * existing one is overwritten. */
6774 alist_unlink(curwin->w_alist);
6775 alist_new();
6776 # else
6777 return; /* can't split, always fail */
6778 # endif
6779 }
6780
6781 /*
6782 * Set up the new argument list.
6783 */
6784 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6785
6786 /*
6787 * Move to the first file.
6788 */
6789 /* Fake up a minimal "next" command for do_argfile() */
6790 vim_memset(&ea, 0, sizeof(ea));
6791 ea.cmd = (char_u *)"next";
6792 do_argfile(&ea, 0);
6793
6794 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6795 * mode that is not needed here. */
6796 need_start_insertmode = FALSE;
6797
6798 /* Restore msg_scroll, otherwise a following command may cause scrolling
6799 * unexpectedly. The screen will be redrawn by the caller, thus
6800 * msg_scroll being set by displaying a message is irrelevant. */
6801 msg_scroll = save_msg_scroll;
6802 }
6803 #endif
6804
6805 /*
6806 * Clear an argument list: free all file names and reset it to zero entries.
6807 */
6808 void
6809 alist_clear(al)
6810 alist_T *al;
6811 {
6812 while (--al->al_ga.ga_len >= 0)
6813 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6814 ga_clear(&al->al_ga);
6815 }
6816
6817 /*
6818 * Init an argument list.
6819 */
6820 void
6821 alist_init(al)
6822 alist_T *al;
6823 {
6824 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6825 }
6826
6827 #if defined(FEAT_WINDOWS) || defined(PROTO)
6828
6829 /*
6830 * Remove a reference from an argument list.
6831 * Ignored when the argument list is the global one.
6832 * If the argument list is no longer used by any window, free it.
6833 */
6834 void
6835 alist_unlink(al)
6836 alist_T *al;
6837 {
6838 if (al != &global_alist && --al->al_refcount <= 0)
6839 {
6840 alist_clear(al);
6841 vim_free(al);
6842 }
6843 }
6844
6845 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6846 /*
6847 * Create a new argument list and use it for the current window.
6848 */
6849 void
6850 alist_new()
6851 {
6852 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6853 if (curwin->w_alist == NULL)
6854 {
6855 curwin->w_alist = &global_alist;
6856 ++global_alist.al_refcount;
6857 }
6858 else
6859 {
6860 curwin->w_alist->al_refcount = 1;
6861 alist_init(curwin->w_alist);
6862 }
6863 }
6864 # endif
6865 #endif
6866
6867 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6868 /*
6869 * Expand the file names in the global argument list.
6870 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6871 * numbers to be re-used.
6872 */
6873 void
6874 alist_expand(fnum_list, fnum_len)
6875 int *fnum_list;
6876 int fnum_len;
6877 {
6878 char_u **old_arg_files;
6879 int old_arg_count;
6880 char_u **new_arg_files;
6881 int new_arg_file_count;
6882 char_u *save_p_su = p_su;
6883 int i;
6884
6885 /* Don't use 'suffixes' here. This should work like the shell did the
6886 * expansion. Also, the vimrc file isn't read yet, thus the user
6887 * can't set the options. */
6888 p_su = empty_option;
6889 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6890 if (old_arg_files != NULL)
6891 {
6892 for (i = 0; i < GARGCOUNT; ++i)
6893 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6894 old_arg_count = GARGCOUNT;
6895 if (expand_wildcards(old_arg_count, old_arg_files,
6896 &new_arg_file_count, &new_arg_files,
6897 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6898 && new_arg_file_count > 0)
6899 {
6900 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6901 TRUE, fnum_list, fnum_len);
6902 FreeWild(old_arg_count, old_arg_files);
6903 }
6904 }
6905 p_su = save_p_su;
6906 }
6907 #endif
6908
6909 /*
6910 * Set the argument list for the current window.
6911 * Takes over the allocated files[] and the allocated fnames in it.
6912 */
6913 void
6914 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6915 alist_T *al;
6916 int count;
6917 char_u **files;
6918 int use_curbuf;
6919 int *fnum_list;
6920 int fnum_len;
6921 {
6922 int i;
6923
6924 alist_clear(al);
6925 if (ga_grow(&al->al_ga, count) == OK)
6926 {
6927 for (i = 0; i < count; ++i)
6928 {
6929 if (got_int)
6930 {
6931 /* When adding many buffers this can take a long time. Allow
6932 * interrupting here. */
6933 while (i < count)
6934 vim_free(files[i++]);
6935 break;
6936 }
6937
6938 /* May set buffer name of a buffer previously used for the
6939 * argument list, so that it's re-used by alist_add. */
6940 if (fnum_list != NULL && i < fnum_len)
6941 buf_set_name(fnum_list[i], files[i]);
6942
6943 alist_add(al, files[i], use_curbuf ? 2 : 1);
6944 ui_breakcheck();
6945 }
6946 vim_free(files);
6947 }
6948 else
6949 FreeWild(count, files);
6950 #ifdef FEAT_WINDOWS
6951 if (al == &global_alist)
6952 #endif
6953 arg_had_last = FALSE;
6954 }
6955
6956 /*
6957 * Add file "fname" to argument list "al".
6958 * "fname" must have been allocated and "al" must have been checked for room.
6959 */
6960 void
6961 alist_add(al, fname, set_fnum)
6962 alist_T *al;
6963 char_u *fname;
6964 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6965 {
6966 if (fname == NULL) /* don't add NULL file names */
6967 return;
6968 #ifdef BACKSLASH_IN_FILENAME
6969 slash_adjust(fname);
6970 #endif
6971 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6972 if (set_fnum > 0)
6973 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6974 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6975 ++al->al_ga.ga_len;
6976 }
6977
6978 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6979 /*
6980 * Adjust slashes in file names. Called after 'shellslash' was set.
6981 */
6982 void
6983 alist_slash_adjust()
6984 {
6985 int i;
6986 # ifdef FEAT_WINDOWS
6987 win_T *wp;
6988 tabpage_T *tp;
6989 # endif
6990
6991 for (i = 0; i < GARGCOUNT; ++i)
6992 if (GARGLIST[i].ae_fname != NULL)
6993 slash_adjust(GARGLIST[i].ae_fname);
6994 # ifdef FEAT_WINDOWS
6995 FOR_ALL_TAB_WINDOWS(tp, wp)
6996 if (wp->w_alist != &global_alist)
6997 for (i = 0; i < WARGCOUNT(wp); ++i)
6998 if (WARGLIST(wp)[i].ae_fname != NULL)
6999 slash_adjust(WARGLIST(wp)[i].ae_fname);
7000 # endif
7001 }
7002 #endif
7003
7004 /*
7005 * ":preserve".
7006 */
7007 /*ARGSUSED*/
7008 static void
7009 ex_preserve(eap)
7010 exarg_T *eap;
7011 {
7012 curbuf->b_flags |= BF_PRESERVED;
7013 ml_preserve(curbuf, TRUE);
7014 }
7015
7016 /*
7017 * ":recover".
7018 */
7019 static void
7020 ex_recover(eap)
7021 exarg_T *eap;
7022 {
7023 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7024 recoverymode = TRUE;
7025 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7026 && (*eap->arg == NUL
7027 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7028 ml_recover();
7029 recoverymode = FALSE;
7030 }
7031
7032 /*
7033 * Command modifier used in a wrong way.
7034 */
7035 static void
7036 ex_wrongmodifier(eap)
7037 exarg_T *eap;
7038 {
7039 eap->errmsg = e_invcmd;
7040 }
7041
7042 #ifdef FEAT_WINDOWS
7043 /*
7044 * :sview [+command] file split window with new file, read-only
7045 * :split [[+command] file] split window with current or new file
7046 * :vsplit [[+command] file] split window vertically with current or new file
7047 * :new [[+command] file] split window with no or new file
7048 * :vnew [[+command] file] split vertically window with no or new file
7049 * :sfind [+command] file split window with file in 'path'
7050 *
7051 * :tabedit open new Tab page with empty window
7052 * :tabedit [+command] file open new Tab page and edit "file"
7053 * :tabnew [[+command] file] just like :tabedit
7054 * :tabfind [+command] file open new Tab page and find "file"
7055 */
7056 void
7057 ex_splitview(eap)
7058 exarg_T *eap;
7059 {
7060 win_T *old_curwin = curwin;
7061 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7062 char_u *fname = NULL;
7063 # endif
7064 # ifdef FEAT_BROWSE
7065 int browse_flag = cmdmod.browse;
7066 # endif
7067
7068 # ifndef FEAT_VERTSPLIT
7069 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7070 {
7071 ex_ni(eap);
7072 return;
7073 }
7074 # endif
7075
7076 # ifdef FEAT_GUI
7077 need_mouse_correct = TRUE;
7078 # endif
7079
7080 # ifdef FEAT_QUICKFIX
7081 /* A ":split" in the quickfix window works like ":new". Don't want two
7082 * quickfix windows. */
7083 if (bt_quickfix(curbuf))
7084 {
7085 if (eap->cmdidx == CMD_split)
7086 eap->cmdidx = CMD_new;
7087 # ifdef FEAT_VERTSPLIT
7088 if (eap->cmdidx == CMD_vsplit)
7089 eap->cmdidx = CMD_vnew;
7090 # endif
7091 }
7092 # endif
7093
7094 # ifdef FEAT_SEARCHPATH
7095 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7096 {
7097 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7098 FNAME_MESS, TRUE, curbuf->b_ffname);
7099 if (fname == NULL)
7100 goto theend;
7101 eap->arg = fname;
7102 }
7103 # ifdef FEAT_BROWSE
7104 else
7105 # endif
7106 # endif
7107 # ifdef FEAT_BROWSE
7108 if (cmdmod.browse
7109 # ifdef FEAT_VERTSPLIT
7110 && eap->cmdidx != CMD_vnew
7111 # endif
7112 && eap->cmdidx != CMD_new)
7113 {
7114 if (
7115 # ifdef FEAT_GUI
7116 !gui.in_use &&
7117 # endif
7118 au_has_group((char_u *)"FileExplorer"))
7119 {
7120 /* No browsing supported but we do have the file explorer:
7121 * Edit the directory. */
7122 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7123 eap->arg = (char_u *)".";
7124 }
7125 else
7126 {
7127 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7128 eap->arg, NULL, NULL, NULL, curbuf);
7129 if (fname == NULL)
7130 goto theend;
7131 eap->arg = fname;
7132 }
7133 }
7134 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7135 # endif
7136
7137 /*
7138 * Either open new tab page or split the window.
7139 */
7140 if (eap->cmdidx == CMD_tabedit
7141 || eap->cmdidx == CMD_tabfind
7142 || eap->cmdidx == CMD_tabnew)
7143 {
7144 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7145 : eap->addr_count == 0 ? 0
7146 : (int)eap->line2 + 1) != FAIL)
7147 {
7148 do_exedit(eap, old_curwin);
7149
7150 /* set the alternate buffer for the window we came from */
7151 if (curwin != old_curwin
7152 && win_valid(old_curwin)
7153 && old_curwin->w_buffer != curbuf
7154 && !cmdmod.keepalt)
7155 old_curwin->w_alt_fnum = curbuf->b_fnum;
7156 }
7157 }
7158 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7159 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7160 {
7161 # ifdef FEAT_SCROLLBIND
7162 /* Reset 'scrollbind' when editing another file, but keep it when
7163 * doing ":split" without arguments. */
7164 if (*eap->arg != NUL
7165 # ifdef FEAT_BROWSE
7166 || cmdmod.browse
7167 # endif
7168 )
7169 curwin->w_p_scb = FALSE;
7170 else
7171 do_check_scrollbind(FALSE);
7172 # endif
7173 do_exedit(eap, old_curwin);
7174 }
7175
7176 # ifdef FEAT_BROWSE
7177 cmdmod.browse = browse_flag;
7178 # endif
7179
7180 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7181 theend:
7182 vim_free(fname);
7183 # endif
7184 }
7185
7186 #if defined(FEAT_MOUSE) || defined(PROTO)
7187 /*
7188 * Open a new tab page.
7189 */
7190 void
7191 tabpage_new()
7192 {
7193 exarg_T ea;
7194
7195 vim_memset(&ea, 0, sizeof(ea));
7196 ea.cmdidx = CMD_tabnew;
7197 ea.cmd = (char_u *)"tabn";
7198 ea.arg = (char_u *)"";
7199 ex_splitview(&ea);
7200 }
7201 #endif
7202
7203 /*
7204 * :tabnext command
7205 */
7206 static void
7207 ex_tabnext(eap)
7208 exarg_T *eap;
7209 {
7210 switch (eap->cmdidx)
7211 {
7212 case CMD_tabfirst:
7213 case CMD_tabrewind:
7214 goto_tabpage(1);
7215 break;
7216 case CMD_tablast:
7217 goto_tabpage(9999);
7218 break;
7219 case CMD_tabprevious:
7220 case CMD_tabNext:
7221 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7222 break;
7223 default: /* CMD_tabnext */
7224 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7225 break;
7226 }
7227 }
7228
7229 /*
7230 * :tabmove command
7231 */
7232 static void
7233 ex_tabmove(eap)
7234 exarg_T *eap;
7235 {
7236 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7237 }
7238
7239 /*
7240 * :tabs command: List tabs and their contents.
7241 */
7242 /*ARGSUSED*/
7243 static void
7244 ex_tabs(eap)
7245 exarg_T *eap;
7246 {
7247 tabpage_T *tp;
7248 win_T *wp;
7249 int tabcount = 1;
7250
7251 msg_start();
7252 msg_scroll = TRUE;
7253 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7254 {
7255 msg_putchar('\n');
7256 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7257 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7258 out_flush(); /* output one line at a time */
7259 ui_breakcheck();
7260
7261 if (tp == curtab)
7262 wp = firstwin;
7263 else
7264 wp = tp->tp_firstwin;
7265 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7266 {
7267 msg_putchar('\n');
7268 msg_putchar(wp == curwin ? '>' : ' ');
7269 msg_putchar(' ');
7270 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7271 msg_putchar(' ');
7272 if (buf_spname(wp->w_buffer) != NULL)
7273 STRCPY(IObuff, buf_spname(wp->w_buffer));
7274 else
7275 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7276 IObuff, IOSIZE, TRUE);
7277 msg_outtrans(IObuff);
7278 out_flush(); /* output one line at a time */
7279 ui_breakcheck();
7280 }
7281 }
7282 }
7283
7284 #endif /* FEAT_WINDOWS */
7285
7286 /*
7287 * ":mode": Set screen mode.
7288 * If no argument given, just get the screen size and redraw.
7289 */
7290 static void
7291 ex_mode(eap)
7292 exarg_T *eap;
7293 {
7294 if (*eap->arg == NUL)
7295 shell_resized();
7296 else
7297 mch_screenmode(eap->arg);
7298 }
7299
7300 #ifdef FEAT_WINDOWS
7301 /*
7302 * ":resize".
7303 * set, increment or decrement current window height
7304 */
7305 static void
7306 ex_resize(eap)
7307 exarg_T *eap;
7308 {
7309 int n;
7310 win_T *wp = curwin;
7311
7312 if (eap->addr_count > 0)
7313 {
7314 n = eap->line2;
7315 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7316 ;
7317 }
7318
7319 #ifdef FEAT_GUI
7320 need_mouse_correct = TRUE;
7321 #endif
7322 n = atol((char *)eap->arg);
7323 #ifdef FEAT_VERTSPLIT
7324 if (cmdmod.split & WSP_VERT)
7325 {
7326 if (*eap->arg == '-' || *eap->arg == '+')
7327 n += W_WIDTH(curwin);
7328 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7329 n = 9999;
7330 win_setwidth_win((int)n, wp);
7331 }
7332 else
7333 #endif
7334 {
7335 if (*eap->arg == '-' || *eap->arg == '+')
7336 n += curwin->w_height;
7337 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7338 n = 9999;
7339 win_setheight_win((int)n, wp);
7340 }
7341 }
7342 #endif
7343
7344 /*
7345 * ":find [+command] <file>" command.
7346 */
7347 static void
7348 ex_find(eap)
7349 exarg_T *eap;
7350 {
7351 #ifdef FEAT_SEARCHPATH
7352 char_u *fname;
7353 int count;
7354
7355 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7356 TRUE, curbuf->b_ffname);
7357 if (eap->addr_count > 0)
7358 {
7359 /* Repeat finding the file "count" times. This matters when it
7360 * appears several times in the path. */
7361 count = eap->line2;
7362 while (fname != NULL && --count > 0)
7363 {
7364 vim_free(fname);
7365 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7366 FALSE, curbuf->b_ffname);
7367 }
7368 }
7369
7370 if (fname != NULL)
7371 {
7372 eap->arg = fname;
7373 #endif
7374 do_exedit(eap, NULL);
7375 #ifdef FEAT_SEARCHPATH
7376 vim_free(fname);
7377 }
7378 #endif
7379 }
7380
7381 /*
7382 * ":open" simulation: for now just work like ":visual".
7383 */
7384 static void
7385 ex_open(eap)
7386 exarg_T *eap;
7387 {
7388 regmatch_T regmatch;
7389 char_u *p;
7390
7391 curwin->w_cursor.lnum = eap->line2;
7392 beginline(BL_SOL | BL_FIX);
7393 if (*eap->arg == '/')
7394 {
7395 /* ":open /pattern/": put cursor in column found with pattern */
7396 ++eap->arg;
7397 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7398 *p = NUL;
7399 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7400 if (regmatch.regprog != NULL)
7401 {
7402 regmatch.rm_ic = p_ic;
7403 p = ml_get_curline();
7404 if (vim_regexec(&regmatch, p, (colnr_T)0))
7405 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7406 else
7407 EMSG(_(e_nomatch));
7408 vim_free(regmatch.regprog);
7409 }
7410 /* Move to the NUL, ignore any other arguments. */
7411 eap->arg += STRLEN(eap->arg);
7412 }
7413 check_cursor();
7414
7415 eap->cmdidx = CMD_visual;
7416 do_exedit(eap, NULL);
7417 }
7418
7419 /*
7420 * ":edit", ":badd", ":visual".
7421 */
7422 static void
7423 ex_edit(eap)
7424 exarg_T *eap;
7425 {
7426 do_exedit(eap, NULL);
7427 }
7428
7429 /*
7430 * ":edit <file>" command and alikes.
7431 */
7432 /*ARGSUSED*/
7433 void
7434 do_exedit(eap, old_curwin)
7435 exarg_T *eap;
7436 win_T *old_curwin; /* curwin before doing a split or NULL */
7437 {
7438 int n;
7439 #ifdef FEAT_WINDOWS
7440 int need_hide;
7441 #endif
7442 int exmode_was = exmode_active;
7443
7444 /*
7445 * ":vi" command ends Ex mode.
7446 */
7447 if (exmode_active && (eap->cmdidx == CMD_visual
7448 || eap->cmdidx == CMD_view))
7449 {
7450 exmode_active = FALSE;
7451 if (*eap->arg == NUL)
7452 {
7453 /* Special case: ":global/pat/visual\NLvi-commands" */
7454 if (global_busy)
7455 {
7456 int rd = RedrawingDisabled;
7457 int nwr = no_wait_return;
7458 int ms = msg_scroll;
7459 #ifdef FEAT_GUI
7460 int he = hold_gui_events;
7461 #endif
7462
7463 if (eap->nextcmd != NULL)
7464 {
7465 stuffReadbuff(eap->nextcmd);
7466 eap->nextcmd = NULL;
7467 }
7468
7469 if (exmode_was != EXMODE_VIM)
7470 settmode(TMODE_RAW);
7471 RedrawingDisabled = 0;
7472 no_wait_return = 0;
7473 need_wait_return = FALSE;
7474 msg_scroll = 0;
7475 #ifdef FEAT_GUI
7476 hold_gui_events = 0;
7477 #endif
7478 must_redraw = CLEAR;
7479
7480 main_loop(FALSE, TRUE);
7481
7482 RedrawingDisabled = rd;
7483 no_wait_return = nwr;
7484 msg_scroll = ms;
7485 #ifdef FEAT_GUI
7486 hold_gui_events = he;
7487 #endif
7488 }
7489 return;
7490 }
7491 }
7492
7493 if ((eap->cmdidx == CMD_new
7494 || eap->cmdidx == CMD_tabnew
7495 || eap->cmdidx == CMD_tabedit
7496 #ifdef FEAT_VERTSPLIT
7497 || eap->cmdidx == CMD_vnew
7498 #endif
7499 ) && *eap->arg == NUL)
7500 {
7501 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7502 setpcmark();
7503 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7504 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7505 }
7506 else if ((eap->cmdidx != CMD_split
7507 #ifdef FEAT_VERTSPLIT
7508 && eap->cmdidx != CMD_vsplit
7509 #endif
7510 )
7511 || *eap->arg != NUL
7512 #ifdef FEAT_BROWSE
7513 || cmdmod.browse
7514 #endif
7515 )
7516 {
7517 #ifdef FEAT_AUTOCMD
7518 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7519 * can bring us here, others are stopped earlier. */
7520 if (*eap->arg != NUL && curbuf_locked())
7521 return;
7522 #endif
7523 n = readonlymode;
7524 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7525 readonlymode = TRUE;
7526 else if (eap->cmdidx == CMD_enew)
7527 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7528 empty buffer */
7529 setpcmark();
7530 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7531 NULL, eap,
7532 /* ":edit" goes to first line if Vi compatible */
7533 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7534 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7535 ? ECMD_ONE : eap->do_ecmd_lnum,
7536 (P_HID(curbuf) ? ECMD_HIDE : 0)
7537 + (eap->forceit ? ECMD_FORCEIT : 0)
7538 #ifdef FEAT_LISTCMDS
7539 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7540 #endif
7541 ) == FAIL)
7542 {
7543 /* Editing the file failed. If the window was split, close it. */
7544 #ifdef FEAT_WINDOWS
7545 if (old_curwin != NULL)
7546 {
7547 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7548 if (!need_hide || P_HID(curbuf))
7549 {
7550 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7551 cleanup_T cs;
7552
7553 /* Reset the error/interrupt/exception state here so that
7554 * aborting() returns FALSE when closing a window. */
7555 enter_cleanup(&cs);
7556 # endif
7557 # ifdef FEAT_GUI
7558 need_mouse_correct = TRUE;
7559 # endif
7560 win_close(curwin, !need_hide && !P_HID(curbuf));
7561
7562 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7563 /* Restore the error/interrupt/exception state if not
7564 * discarded by a new aborting error, interrupt, or
7565 * uncaught exception. */
7566 leave_cleanup(&cs);
7567 # endif
7568 }
7569 }
7570 #endif
7571 }
7572 else if (readonlymode && curbuf->b_nwindows == 1)
7573 {
7574 /* When editing an already visited buffer, 'readonly' won't be set
7575 * but the previous value is kept. With ":view" and ":sview" we
7576 * want the file to be readonly, except when another window is
7577 * editing the same buffer. */
7578 curbuf->b_p_ro = TRUE;
7579 }
7580 readonlymode = n;
7581 }
7582 else
7583 {
7584 if (eap->do_ecmd_cmd != NULL)
7585 do_cmdline_cmd(eap->do_ecmd_cmd);
7586 #ifdef FEAT_TITLE
7587 n = curwin->w_arg_idx_invalid;
7588 #endif
7589 check_arg_idx(curwin);
7590 #ifdef FEAT_TITLE
7591 if (n != curwin->w_arg_idx_invalid)
7592 maketitle();
7593 #endif
7594 }
7595
7596 #ifdef FEAT_WINDOWS
7597 /*
7598 * if ":split file" worked, set alternate file name in old window to new
7599 * file
7600 */
7601 if (old_curwin != NULL
7602 && *eap->arg != NUL
7603 && curwin != old_curwin
7604 && win_valid(old_curwin)
7605 && old_curwin->w_buffer != curbuf
7606 && !cmdmod.keepalt)
7607 old_curwin->w_alt_fnum = curbuf->b_fnum;
7608 #endif
7609
7610 ex_no_reprint = TRUE;
7611 }
7612
7613 #ifndef FEAT_GUI
7614 /*
7615 * ":gui" and ":gvim" when there is no GUI.
7616 */
7617 static void
7618 ex_nogui(eap)
7619 exarg_T *eap;
7620 {
7621 eap->errmsg = e_nogvim;
7622 }
7623 #endif
7624
7625 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7626 static void
7627 ex_tearoff(eap)
7628 exarg_T *eap;
7629 {
7630 gui_make_tearoff(eap->arg);
7631 }
7632 #endif
7633
7634 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7635 || defined(FEAT_GUI_MACVIM))
7636 static void
7637 ex_popup(eap)
7638 exarg_T *eap;
7639 {
7640 gui_make_popup(eap->arg, eap->forceit);
7641 }
7642 #endif
7643
7644 /*ARGSUSED*/
7645 static void
7646 ex_swapname(eap)
7647 exarg_T *eap;
7648 {
7649 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7650 MSG(_("No swap file"));
7651 else
7652 msg(curbuf->b_ml.ml_mfp->mf_fname);
7653 }
7654
7655 /*
7656 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7657 * offset.
7658 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7659 */
7660 /*ARGSUSED*/
7661 static void
7662 ex_syncbind(eap)
7663 exarg_T *eap;
7664 {
7665 #ifdef FEAT_SCROLLBIND
7666 win_T *wp;
7667 long topline;
7668 long y;
7669 linenr_T old_linenr = curwin->w_cursor.lnum;
7670
7671 setpcmark();
7672
7673 /*
7674 * determine max topline
7675 */
7676 if (curwin->w_p_scb)
7677 {
7678 topline = curwin->w_topline;
7679 for (wp = firstwin; wp; wp = wp->w_next)
7680 {
7681 if (wp->w_p_scb && wp->w_buffer)
7682 {
7683 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7684 if (topline > y)
7685 topline = y;
7686 }
7687 }
7688 if (topline < 1)
7689 topline = 1;
7690 }
7691 else
7692 {
7693 topline = 1;
7694 }
7695
7696
7697 /*
7698 * set all scrollbind windows to the same topline
7699 */
7700 wp = curwin;
7701 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7702 {
7703 if (curwin->w_p_scb)
7704 {
7705 y = topline - curwin->w_topline;
7706 if (y > 0)
7707 scrollup(y, TRUE);
7708 else
7709 scrolldown(-y, TRUE);
7710 curwin->w_scbind_pos = topline;
7711 redraw_later(VALID);
7712 cursor_correct();
7713 #ifdef FEAT_WINDOWS
7714 curwin->w_redr_status = TRUE;
7715 #endif
7716 }
7717 }
7718 curwin = wp;
7719 if (curwin->w_p_scb)
7720 {
7721 did_syncbind = TRUE;
7722 checkpcmark();
7723 if (old_linenr != curwin->w_cursor.lnum)
7724 {
7725 char_u ctrl_o[2];
7726
7727 ctrl_o[0] = Ctrl_O;
7728 ctrl_o[1] = 0;
7729 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7730 }
7731 }
7732 #endif
7733 }
7734
7735
7736 static void
7737 ex_read(eap)
7738 exarg_T *eap;
7739 {
7740 int i;
7741 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7742 linenr_T lnum;
7743
7744 if (eap->usefilter) /* :r!cmd */
7745 do_bang(1, eap, FALSE, FALSE, TRUE);
7746 else
7747 {
7748 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7749 return;
7750
7751 #ifdef FEAT_BROWSE
7752 if (cmdmod.browse)
7753 {
7754 char_u *browseFile;
7755
7756 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7757 NULL, NULL, NULL, curbuf);
7758 if (browseFile != NULL)
7759 {
7760 i = readfile(browseFile, NULL,
7761 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7762 vim_free(browseFile);
7763 }
7764 else
7765 i = OK;
7766 }
7767 else
7768 #endif
7769 if (*eap->arg == NUL)
7770 {
7771 if (check_fname() == FAIL) /* check for no file name */
7772 return;
7773 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7774 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7775 }
7776 else
7777 {
7778 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7779 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7780 i = readfile(eap->arg, NULL,
7781 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7782
7783 }
7784 if (i == FAIL)
7785 {
7786 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7787 if (!aborting())
7788 #endif
7789 EMSG2(_(e_notopen), eap->arg);
7790 }
7791 else
7792 {
7793 if (empty && exmode_active)
7794 {
7795 /* Delete the empty line that remains. Historically ex does
7796 * this but vi doesn't. */
7797 if (eap->line2 == 0)
7798 lnum = curbuf->b_ml.ml_line_count;
7799 else
7800 lnum = 1;
7801 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7802 {
7803 ml_delete(lnum, FALSE);
7804 deleted_lines_mark(lnum, 1L);
7805 if (curwin->w_cursor.lnum > 1
7806 && curwin->w_cursor.lnum >= lnum)
7807 --curwin->w_cursor.lnum;
7808 }
7809 }
7810 redraw_curbuf_later(VALID);
7811 }
7812 }
7813 }
7814
7815 static char_u *prev_dir = NULL;
7816
7817 #if defined(EXITFREE) || defined(PROTO)
7818 void
7819 free_cd_dir()
7820 {
7821 vim_free(prev_dir);
7822 prev_dir = NULL;
7823 }
7824 #endif
7825
7826
7827 /*
7828 * ":cd", ":lcd", ":chdir" and ":lchdir".
7829 */
7830 void
7831 ex_cd(eap)
7832 exarg_T *eap;
7833 {
7834 char_u *new_dir;
7835 char_u *tofree;
7836
7837 new_dir = eap->arg;
7838 #if !defined(UNIX) && !defined(VMS)
7839 /* for non-UNIX ":cd" means: print current directory */
7840 if (*new_dir == NUL)
7841 ex_pwd(NULL);
7842 else
7843 #endif
7844 {
7845 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7846 && !eap->forceit)
7847 {
7848 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7849 return;
7850 }
7851
7852 /* ":cd -": Change to previous directory */
7853 if (STRCMP(new_dir, "-") == 0)
7854 {
7855 if (prev_dir == NULL)
7856 {
7857 EMSG(_("E186: No previous directory"));
7858 return;
7859 }
7860 new_dir = prev_dir;
7861 }
7862
7863 /* Save current directory for next ":cd -" */
7864 tofree = prev_dir;
7865 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7866 prev_dir = vim_strsave(NameBuff);
7867 else
7868 prev_dir = NULL;
7869
7870 #if defined(UNIX) || defined(VMS)
7871 /* for UNIX ":cd" means: go to home directory */
7872 if (*new_dir == NUL)
7873 {
7874 /* use NameBuff for home directory name */
7875 # ifdef VMS
7876 char_u *p;
7877
7878 p = mch_getenv((char_u *)"SYS$LOGIN");
7879 if (p == NULL || *p == NUL) /* empty is the same as not set */
7880 NameBuff[0] = NUL;
7881 else
7882 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7883 # else
7884 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7885 # endif
7886 new_dir = NameBuff;
7887 }
7888 #endif
7889 if (new_dir == NULL || vim_chdir(new_dir))
7890 EMSG(_(e_failed));
7891 else
7892 {
7893 vim_free(curwin->w_localdir);
7894 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7895 {
7896 /* If still in global directory, need to remember current
7897 * directory as global directory. */
7898 if (globaldir == NULL && prev_dir != NULL)
7899 globaldir = vim_strsave(prev_dir);
7900 /* Remember this local directory for the window. */
7901 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7902 curwin->w_localdir = vim_strsave(NameBuff);
7903 }
7904 else
7905 {
7906 /* We are now in the global directory, no need to remember its
7907 * name. */
7908 vim_free(globaldir);
7909 globaldir = NULL;
7910 curwin->w_localdir = NULL;
7911 }
7912
7913 shorten_fnames(TRUE);
7914
7915 /* Echo the new current directory if the command was typed. */
7916 if (KeyTyped)
7917 ex_pwd(eap);
7918 }
7919 vim_free(tofree);
7920 }
7921 }
7922
7923 /*
7924 * ":pwd".
7925 */
7926 /*ARGSUSED*/
7927 static void
7928 ex_pwd(eap)
7929 exarg_T *eap;
7930 {
7931 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7932 {
7933 #ifdef BACKSLASH_IN_FILENAME
7934 slash_adjust(NameBuff);
7935 #endif
7936 msg(NameBuff);
7937 }
7938 else
7939 EMSG(_("E187: Unknown"));
7940 }
7941
7942 /*
7943 * ":=".
7944 */
7945 static void
7946 ex_equal(eap)
7947 exarg_T *eap;
7948 {
7949 smsg((char_u *)"%ld", (long)eap->line2);
7950 ex_may_print(eap);
7951 }
7952
7953 static void
7954 ex_sleep(eap)
7955 exarg_T *eap;
7956 {
7957 int n;
7958 long len;
7959
7960 if (cursor_valid())
7961 {
7962 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7963 if (n >= 0)
7964 windgoto((int)n, curwin->w_wcol);
7965 }
7966
7967 len = eap->line2;
7968 switch (*eap->arg)
7969 {
7970 case 'm': break;
7971 case NUL: len *= 1000L; break;
7972 default: EMSG2(_(e_invarg2), eap->arg); return;
7973 }
7974 do_sleep(len);
7975 }
7976
7977 /*
7978 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7979 */
7980 void
7981 do_sleep(msec)
7982 long msec;
7983 {
7984 long done;
7985
7986 cursor_on();
7987 out_flush();
7988 for (done = 0; !got_int && done < msec; done += 1000L)
7989 {
7990 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7991 ui_breakcheck();
7992 }
7993 }
7994
7995 static void
7996 do_exmap(eap, isabbrev)
7997 exarg_T *eap;
7998 int isabbrev;
7999 {
8000 int mode;
8001 char_u *cmdp;
8002
8003 cmdp = eap->cmd;
8004 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8005
8006 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8007 eap->arg, mode, isabbrev))
8008 {
8009 case 1: EMSG(_(e_invarg));
8010 break;
8011 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8012 break;
8013 }
8014 }
8015
8016 /*
8017 * ":winsize" command (obsolete).
8018 */
8019 static void
8020 ex_winsize(eap)
8021 exarg_T *eap;
8022 {
8023 int w, h;
8024 char_u *arg = eap->arg;
8025 char_u *p;
8026
8027 w = getdigits(&arg);
8028 arg = skipwhite(arg);
8029 p = arg;
8030 h = getdigits(&arg);
8031 if (*p != NUL && *arg == NUL)
8032 set_shellsize(w, h, TRUE);
8033 else
8034 EMSG(_("E465: :winsize requires two number arguments"));
8035 }
8036
8037 #ifdef FEAT_WINDOWS
8038 static void
8039 ex_wincmd(eap)
8040 exarg_T *eap;
8041 {
8042 int xchar = NUL;
8043 char_u *p;
8044
8045 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8046 {
8047 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8048 if (eap->arg[1] == NUL)
8049 {
8050 EMSG(_(e_invarg));
8051 return;
8052 }
8053 xchar = eap->arg[1];
8054 p = eap->arg + 2;
8055 }
8056 else
8057 p = eap->arg + 1;
8058
8059 eap->nextcmd = check_nextcmd(p);
8060 p = skipwhite(p);
8061 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8062 EMSG(_(e_invarg));
8063 else
8064 {
8065 /* Pass flags on for ":vertical wincmd ]". */
8066 postponed_split_flags = cmdmod.split;
8067 postponed_split_tab = cmdmod.tab;
8068 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8069 postponed_split_flags = 0;
8070 postponed_split_tab = 0;
8071 }
8072 }
8073 #endif
8074
8075 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8076 /*
8077 * ":winpos".
8078 */
8079 static void
8080 ex_winpos(eap)
8081 exarg_T *eap;
8082 {
8083 int x, y;
8084 char_u *arg = eap->arg;
8085 char_u *p;
8086
8087 if (*arg == NUL)
8088 {
8089 # if defined(FEAT_GUI) || defined(MSWIN)
8090 # ifdef FEAT_GUI
8091 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8092 # else
8093 if (mch_get_winpos(&x, &y) != FAIL)
8094 # endif
8095 {
8096 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8097 msg(IObuff);
8098 }
8099 else
8100 # endif
8101 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8102 }
8103 else
8104 {
8105 x = getdigits(&arg);
8106 arg = skipwhite(arg);
8107 p = arg;
8108 y = getdigits(&arg);
8109 if (*p == NUL || *arg != NUL)
8110 {
8111 EMSG(_("E466: :winpos requires two number arguments"));
8112 return;
8113 }
8114 # ifdef FEAT_GUI
8115 if (gui.in_use)
8116 gui_mch_set_winpos(x, y);
8117 else if (gui.starting)
8118 {
8119 /* Remember the coordinates for when the window is opened. */
8120 gui_win_x = x;
8121 gui_win_y = y;
8122 }
8123 # ifdef HAVE_TGETENT
8124 else
8125 # endif
8126 # else
8127 # ifdef MSWIN
8128 mch_set_winpos(x, y);
8129 # endif
8130 # endif
8131 # ifdef HAVE_TGETENT
8132 if (*T_CWP)
8133 term_set_winpos(x, y);
8134 # endif
8135 }
8136 }
8137 #endif
8138
8139 /*
8140 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8141 */
8142 static void
8143 ex_operators(eap)
8144 exarg_T *eap;
8145 {
8146 oparg_T oa;
8147
8148 clear_oparg(&oa);
8149 oa.regname = eap->regname;
8150 oa.start.lnum = eap->line1;
8151 oa.end.lnum = eap->line2;
8152 oa.line_count = eap->line2 - eap->line1 + 1;
8153 oa.motion_type = MLINE;
8154 #ifdef FEAT_VIRTUALEDIT
8155 virtual_op = FALSE;
8156 #endif
8157 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8158 {
8159 setpcmark();
8160 curwin->w_cursor.lnum = eap->line1;
8161 beginline(BL_SOL | BL_FIX);
8162 }
8163
8164 switch (eap->cmdidx)
8165 {
8166 case CMD_delete:
8167 oa.op_type = OP_DELETE;
8168 op_delete(&oa);
8169 break;
8170
8171 case CMD_yank:
8172 oa.op_type = OP_YANK;
8173 (void)op_yank(&oa, FALSE, TRUE);
8174 break;
8175
8176 default: /* CMD_rshift or CMD_lshift */
8177 if ((eap->cmdidx == CMD_rshift)
8178 #ifdef FEAT_RIGHTLEFT
8179 ^ curwin->w_p_rl
8180 #endif
8181 )
8182 oa.op_type = OP_RSHIFT;
8183 else
8184 oa.op_type = OP_LSHIFT;
8185 op_shift(&oa, FALSE, eap->amount);
8186 break;
8187 }
8188 #ifdef FEAT_VIRTUALEDIT
8189 virtual_op = MAYBE;
8190 #endif
8191 ex_may_print(eap);
8192 }
8193
8194 /*
8195 * ":put".
8196 */
8197 static void
8198 ex_put(eap)
8199 exarg_T *eap;
8200 {
8201 /* ":0put" works like ":1put!". */
8202 if (eap->line2 == 0)
8203 {
8204 eap->line2 = 1;
8205 eap->forceit = TRUE;
8206 }
8207 curwin->w_cursor.lnum = eap->line2;
8208 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8209 PUT_LINE|PUT_CURSLINE);
8210 }
8211
8212 /*
8213 * Handle ":copy" and ":move".
8214 */
8215 static void
8216 ex_copymove(eap)
8217 exarg_T *eap;
8218 {
8219 long n;
8220
8221 n = get_address(&eap->arg, FALSE, FALSE);
8222 if (eap->arg == NULL) /* error detected */
8223 {
8224 eap->nextcmd = NULL;
8225 return;
8226 }
8227 get_flags(eap);
8228
8229 /*
8230 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8231 */
8232 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8233 {
8234 EMSG(_(e_invaddr));
8235 return;
8236 }
8237
8238 if (eap->cmdidx == CMD_move)
8239 {
8240 if (do_move(eap->line1, eap->line2, n) == FAIL)
8241 return;
8242 }
8243 else
8244 ex_copy(eap->line1, eap->line2, n);
8245 u_clearline();
8246 beginline(BL_SOL | BL_FIX);
8247 ex_may_print(eap);
8248 }
8249
8250 /*
8251 * Print the current line if flags were given to the Ex command.
8252 */
8253 static void
8254 ex_may_print(eap)
8255 exarg_T *eap;
8256 {
8257 if (eap->flags != 0)
8258 {
8259 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8260 (eap->flags & EXFLAG_LIST));
8261 ex_no_reprint = TRUE;
8262 }
8263 }
8264
8265 /*
8266 * ":smagic" and ":snomagic".
8267 */
8268 static void
8269 ex_submagic(eap)
8270 exarg_T *eap;
8271 {
8272 int magic_save = p_magic;
8273
8274 p_magic = (eap->cmdidx == CMD_smagic);
8275 do_sub(eap);
8276 p_magic = magic_save;
8277 }
8278
8279 /*
8280 * ":join".
8281 */
8282 static void
8283 ex_join(eap)
8284 exarg_T *eap;
8285 {
8286 curwin->w_cursor.lnum = eap->line1;
8287 if (eap->line1 == eap->line2)
8288 {
8289 if (eap->addr_count >= 2) /* :2,2join does nothing */
8290 return;
8291 if (eap->line2 == curbuf->b_ml.ml_line_count)
8292 {
8293 beep_flush();
8294 return;
8295 }
8296 ++eap->line2;
8297 }
8298 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8299 beginline(BL_WHITE | BL_FIX);
8300 ex_may_print(eap);
8301 }
8302
8303 /*
8304 * ":[addr]@r" or ":[addr]*r": execute register
8305 */
8306 static void
8307 ex_at(eap)
8308 exarg_T *eap;
8309 {
8310 int c;
8311
8312 curwin->w_cursor.lnum = eap->line2;
8313
8314 #ifdef USE_ON_FLY_SCROLL
8315 dont_scroll = TRUE; /* disallow scrolling here */
8316 #endif
8317
8318 /* get the register name. No name means to use the previous one */
8319 c = *eap->arg;
8320 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8321 c = '@';
8322 /* Put the register in the typeahead buffer with the "silent" flag. */
8323 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8324 == FAIL)
8325 {
8326 beep_flush();
8327 }
8328 else
8329 {
8330 int save_efr = exec_from_reg;
8331
8332 exec_from_reg = TRUE;
8333
8334 /*
8335 * Execute from the typeahead buffer.
8336 * Originally this didn't check for the typeahead buffer to be empty,
8337 * thus could read more Ex commands from stdin. It's not clear why,
8338 * it is certainly unexpected.
8339 */
8340 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8341 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8342
8343 exec_from_reg = save_efr;
8344 }
8345 }
8346
8347 /*
8348 * ":!".
8349 */
8350 static void
8351 ex_bang(eap)
8352 exarg_T *eap;
8353 {
8354 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8355 }
8356
8357 /*
8358 * ":undo".
8359 */
8360 /*ARGSUSED*/
8361 static void
8362 ex_undo(eap)
8363 exarg_T *eap;
8364 {
8365 if (eap->addr_count == 1) /* :undo 123 */
8366 undo_time(eap->line2, FALSE, TRUE);
8367 else
8368 u_undo(1);
8369 }
8370
8371 /*
8372 * ":redo".
8373 */
8374 /*ARGSUSED*/
8375 static void
8376 ex_redo(eap)
8377 exarg_T *eap;
8378 {
8379 u_redo(1);
8380 }
8381
8382 /*
8383 * ":earlier" and ":later".
8384 */
8385 /*ARGSUSED*/
8386 static void
8387 ex_later(eap)
8388 exarg_T *eap;
8389 {
8390 long count = 0;
8391 int sec = FALSE;
8392 char_u *p = eap->arg;
8393
8394 if (*p == NUL)
8395 count = 1;
8396 else if (isdigit(*p))
8397 {
8398 count = getdigits(&p);
8399 switch (*p)
8400 {
8401 case 's': ++p; sec = TRUE; break;
8402 case 'm': ++p; sec = TRUE; count *= 60; break;
8403 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8404 }
8405 }
8406
8407 if (*p != NUL)
8408 EMSG2(_(e_invarg2), eap->arg);
8409 else
8410 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8411 }
8412
8413 /*
8414 * ":redir": start/stop redirection.
8415 */
8416 static void
8417 ex_redir(eap)
8418 exarg_T *eap;
8419 {
8420 char *mode;
8421 char_u *fname;
8422 char_u *arg = eap->arg;
8423
8424 if (STRICMP(eap->arg, "END") == 0)
8425 close_redir();
8426 else
8427 {
8428 if (*arg == '>')
8429 {
8430 ++arg;
8431 if (*arg == '>')
8432 {
8433 ++arg;
8434 mode = "a";
8435 }
8436 else
8437 mode = "w";
8438 arg = skipwhite(arg);
8439
8440 close_redir();
8441
8442 /* Expand environment variables and "~/". */
8443 fname = expand_env_save(arg);
8444 if (fname == NULL)
8445 return;
8446 #ifdef FEAT_BROWSE
8447 if (cmdmod.browse)
8448 {
8449 char_u *browseFile;
8450
8451 browseFile = do_browse(BROWSE_SAVE,
8452 (char_u *)_("Save Redirection"),
8453 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8454 if (browseFile == NULL)
8455 return; /* operation cancelled */
8456 vim_free(fname);
8457 fname = browseFile;
8458 eap->forceit = TRUE; /* since dialog already asked */
8459 }
8460 #endif
8461
8462 redir_fd = open_exfile(fname, eap->forceit, mode);
8463 vim_free(fname);
8464 }
8465 #ifdef FEAT_EVAL
8466 else if (*arg == '@')
8467 {
8468 /* redirect to a register a-z (resp. A-Z for appending) */
8469 close_redir();
8470 ++arg;
8471 if (ASCII_ISALPHA(*arg)
8472 # ifdef FEAT_CLIPBOARD
8473 || *arg == '*'
8474 || *arg == '+'
8475 # endif
8476 || *arg == '"')
8477 {
8478 redir_reg = *arg++;
8479 if (*arg == '>' && arg[1] == '>') /* append */
8480 arg += 2;
8481 else
8482 {
8483 /* Can use both "@a" and "@a>". */
8484 if (*arg == '>')
8485 arg++;
8486 /* Make register empty when not using @A-@Z and the
8487 * command is valid. */
8488 if (*arg == NUL && !isupper(redir_reg))
8489 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8490 }
8491 }
8492 if (*arg != NUL)
8493 {
8494 redir_reg = 0;
8495 EMSG2(_(e_invarg2), eap->arg);
8496 }
8497 }
8498 else if (*arg == '=' && arg[1] == '>')
8499 {
8500 int append;
8501
8502 /* redirect to a variable */
8503 close_redir();
8504 arg += 2;
8505
8506 if (*arg == '>')
8507 {
8508 ++arg;
8509 append = TRUE;
8510 }
8511 else
8512 append = FALSE;
8513
8514 if (var_redir_start(skipwhite(arg), append) == OK)
8515 redir_vname = 1;
8516 }
8517 #endif
8518
8519 /* TODO: redirect to a buffer */
8520
8521 else
8522 EMSG2(_(e_invarg2), eap->arg);
8523 }
8524
8525 /* Make sure redirection is not off. Can happen for cmdline completion
8526 * that indirectly invokes a command to catch its output. */
8527 if (redir_fd != NULL
8528 #ifdef FEAT_EVAL
8529 || redir_reg || redir_vname
8530 #endif
8531 )
8532 redir_off = FALSE;
8533 }
8534
8535 /*
8536 * ":redraw": force redraw
8537 */
8538 static void
8539 ex_redraw(eap)
8540 exarg_T *eap;
8541 {
8542 int r = RedrawingDisabled;
8543 int p = p_lz;
8544
8545 RedrawingDisabled = 0;
8546 p_lz = FALSE;
8547 update_topline();
8548 update_screen(eap->forceit ? CLEAR :
8549 #ifdef FEAT_VISUAL
8550 VIsual_active ? INVERTED :
8551 #endif
8552 0);
8553 #ifdef FEAT_TITLE
8554 if (need_maketitle)
8555 maketitle();
8556 #endif
8557 RedrawingDisabled = r;
8558 p_lz = p;
8559
8560 /* Reset msg_didout, so that a message that's there is overwritten. */
8561 msg_didout = FALSE;
8562 msg_col = 0;
8563
8564 out_flush();
8565 }
8566
8567 /*
8568 * ":redrawstatus": force redraw of status line(s)
8569 */
8570 /*ARGSUSED*/
8571 static void
8572 ex_redrawstatus(eap)
8573 exarg_T *eap;
8574 {
8575 #if defined(FEAT_WINDOWS)
8576 int r = RedrawingDisabled;
8577 int p = p_lz;
8578
8579 RedrawingDisabled = 0;
8580 p_lz = FALSE;
8581 if (eap->forceit)
8582 status_redraw_all();
8583 else
8584 status_redraw_curbuf();
8585 update_screen(
8586 # ifdef FEAT_VISUAL
8587 VIsual_active ? INVERTED :
8588 # endif
8589 0);
8590 RedrawingDisabled = r;
8591 p_lz = p;
8592 out_flush();
8593 #endif
8594 }
8595
8596 static void
8597 close_redir()
8598 {
8599 if (redir_fd != NULL)
8600 {
8601 fclose(redir_fd);
8602 redir_fd = NULL;
8603 }
8604 #ifdef FEAT_EVAL
8605 redir_reg = 0;
8606 if (redir_vname)
8607 {
8608 var_redir_stop();
8609 redir_vname = 0;
8610 }
8611 #endif
8612 }
8613
8614 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8615 # define MKSESSION_NL
8616 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8617 #endif
8618
8619 /*
8620 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8621 */
8622 static void
8623 ex_mkrc(eap)
8624 exarg_T *eap;
8625 {
8626 FILE *fd;
8627 int failed = FALSE;
8628 char_u *fname;
8629 #ifdef FEAT_BROWSE
8630 char_u *browseFile = NULL;
8631 #endif
8632 #ifdef FEAT_SESSION
8633 int view_session = FALSE;
8634 int using_vdir = FALSE; /* using 'viewdir'? */
8635 char_u *viewFile = NULL;
8636 unsigned *flagp;
8637 #endif
8638
8639 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8640 {
8641 #ifdef FEAT_SESSION
8642 view_session = TRUE;
8643 #else
8644 ex_ni(eap);
8645 return;
8646 #endif
8647 }
8648
8649 #ifdef FEAT_SESSION
8650 did_lcd = FALSE;
8651
8652 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8653 if (eap->cmdidx == CMD_mkview
8654 && (*eap->arg == NUL
8655 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8656 {
8657 eap->forceit = TRUE;
8658 fname = get_view_file(*eap->arg);
8659 if (fname == NULL)
8660 return;
8661 viewFile = fname;
8662 using_vdir = TRUE;
8663 }
8664 else
8665 #endif
8666 if (*eap->arg != NUL)
8667 fname = eap->arg;
8668 else if (eap->cmdidx == CMD_mkvimrc)
8669 fname = (char_u *)VIMRC_FILE;
8670 #ifdef FEAT_SESSION
8671 else if (eap->cmdidx == CMD_mksession)
8672 fname = (char_u *)SESSION_FILE;
8673 #endif
8674 else
8675 fname = (char_u *)EXRC_FILE;
8676
8677 #ifdef FEAT_BROWSE
8678 if (cmdmod.browse)
8679 {
8680 browseFile = do_browse(BROWSE_SAVE,
8681 # ifdef FEAT_SESSION
8682 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8683 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8684 # endif
8685 (char_u *)_("Save Setup"),
8686 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8687 if (browseFile == NULL)
8688 goto theend;
8689 fname = browseFile;
8690 eap->forceit = TRUE; /* since dialog already asked */
8691 }
8692 #endif
8693
8694 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8695 /* When using 'viewdir' may have to create the directory. */
8696 if (using_vdir && !mch_isdir(p_vdir))
8697 vim_mkdir_emsg(p_vdir, 0755);
8698 #endif
8699
8700 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8701 if (fd != NULL)
8702 {
8703 #ifdef FEAT_SESSION
8704 if (eap->cmdidx == CMD_mkview)
8705 flagp = &vop_flags;
8706 else
8707 flagp = &ssop_flags;
8708 #endif
8709
8710 #ifdef MKSESSION_NL
8711 /* "unix" in 'sessionoptions': use NL line separator */
8712 if (view_session && (*flagp & SSOP_UNIX))
8713 mksession_nl = TRUE;
8714 #endif
8715
8716 /* Write the version command for :mkvimrc */
8717 if (eap->cmdidx == CMD_mkvimrc)
8718 (void)put_line(fd, "version 6.0");
8719
8720 #ifdef FEAT_SESSION
8721 if (eap->cmdidx == CMD_mksession)
8722 {
8723 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8724 failed = TRUE;
8725 }
8726
8727 if (eap->cmdidx != CMD_mkview)
8728 #endif
8729 {
8730 /* Write setting 'compatible' first, because it has side effects.
8731 * For that same reason only do it when needed. */
8732 if (p_cp)
8733 (void)put_line(fd, "if !&cp | set cp | endif");
8734 else
8735 (void)put_line(fd, "if &cp | set nocp | endif");
8736 }
8737
8738 #ifdef FEAT_SESSION
8739 if (!view_session
8740 || (eap->cmdidx == CMD_mksession
8741 && (*flagp & SSOP_OPTIONS)))
8742 #endif
8743 failed |= (makemap(fd, NULL) == FAIL
8744 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8745
8746 #ifdef FEAT_SESSION
8747 if (!failed && view_session)
8748 {
8749 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8750 failed = TRUE;
8751 if (eap->cmdidx == CMD_mksession)
8752 {
8753 char_u dirnow[MAXPATHL]; /* current directory */
8754
8755 /*
8756 * Change to session file's dir.
8757 */
8758 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8759 || mch_chdir((char *)dirnow) != 0)
8760 *dirnow = NUL;
8761 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8762 {
8763 if (vim_chdirfile(fname) == OK)
8764 shorten_fnames(TRUE);
8765 }
8766 else if (*dirnow != NUL
8767 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8768 {
8769 (void)mch_chdir((char *)globaldir);
8770 shorten_fnames(TRUE);
8771 }
8772
8773 failed |= (makeopens(fd, dirnow) == FAIL);
8774
8775 /* restore original dir */
8776 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8777 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8778 {
8779 if (mch_chdir((char *)dirnow) != 0)
8780 EMSG(_(e_prev_dir));
8781 shorten_fnames(TRUE);
8782 }
8783 }
8784 else
8785 {
8786 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8787 -1) == FAIL);
8788 }
8789 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8790 == FAIL)
8791 failed = TRUE;
8792 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8793 failed = TRUE;
8794 if (eap->cmdidx == CMD_mksession)
8795 {
8796 if (put_line(fd, "unlet SessionLoad") == FAIL)
8797 failed = TRUE;
8798 }
8799 }
8800 #endif
8801 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8802 failed = TRUE;
8803
8804 failed |= fclose(fd);
8805
8806 if (failed)
8807 EMSG(_(e_write));
8808 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8809 else if (eap->cmdidx == CMD_mksession)
8810 {
8811 /* successful session write - set this_session var */
8812 char_u tbuf[MAXPATHL];
8813
8814 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8815 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8816 }
8817 #endif
8818 #ifdef MKSESSION_NL
8819 mksession_nl = FALSE;
8820 #endif
8821 }
8822
8823 #ifdef FEAT_BROWSE
8824 theend:
8825 vim_free(browseFile);
8826 #endif
8827 #ifdef FEAT_SESSION
8828 vim_free(viewFile);
8829 #endif
8830 }
8831
8832 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8833 || defined(PROTO)
8834 /*ARGSUSED*/
8835 int
8836 vim_mkdir_emsg(name, prot)
8837 char_u *name;
8838 int prot;
8839 {
8840 if (vim_mkdir(name, prot) != 0)
8841 {
8842 EMSG2(_("E739: Cannot create directory: %s"), name);
8843 return FAIL;
8844 }
8845 return OK;
8846 }
8847 #endif
8848
8849 /*
8850 * Open a file for writing for an Ex command, with some checks.
8851 * Return file descriptor, or NULL on failure.
8852 */
8853 FILE *
8854 open_exfile(fname, forceit, mode)
8855 char_u *fname;
8856 int forceit;
8857 char *mode; /* "w" for create new file or "a" for append */
8858 {
8859 FILE *fd;
8860
8861 #ifdef UNIX
8862 /* with Unix it is possible to open a directory */
8863 if (mch_isdir(fname))
8864 {
8865 EMSG2(_(e_isadir2), fname);
8866 return NULL;
8867 }
8868 #endif
8869 if (!forceit && *mode != 'a' && vim_fexists(fname))
8870 {
8871 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8872 return NULL;
8873 }
8874
8875 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8876 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8877
8878 return fd;
8879 }
8880
8881 /*
8882 * ":mark" and ":k".
8883 */
8884 static void
8885 ex_mark(eap)
8886 exarg_T *eap;
8887 {
8888 pos_T pos;
8889
8890 if (*eap->arg == NUL) /* No argument? */
8891 EMSG(_(e_argreq));
8892 else if (eap->arg[1] != NUL) /* more than one character? */
8893 EMSG(_(e_trailing));
8894 else
8895 {
8896 pos = curwin->w_cursor; /* save curwin->w_cursor */
8897 curwin->w_cursor.lnum = eap->line2;
8898 beginline(BL_WHITE | BL_FIX);
8899 if (setmark(*eap->arg) == FAIL) /* set mark */
8900 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8901 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8902 }
8903 }
8904
8905 /*
8906 * Update w_topline, w_leftcol and the cursor position.
8907 */
8908 void
8909 update_topline_cursor()
8910 {
8911 check_cursor(); /* put cursor on valid line */
8912 update_topline();
8913 if (!curwin->w_p_wrap)
8914 validate_cursor();
8915 update_curswant();
8916 }
8917
8918 #ifdef FEAT_EX_EXTRA
8919 /*
8920 * ":normal[!] {commands}": Execute normal mode commands.
8921 */
8922 static void
8923 ex_normal(eap)
8924 exarg_T *eap;
8925 {
8926 int save_msg_scroll = msg_scroll;
8927 int save_restart_edit = restart_edit;
8928 int save_msg_didout = msg_didout;
8929 int save_State = State;
8930 tasave_T tabuf;
8931 int save_insertmode = p_im;
8932 int save_finish_op = finish_op;
8933 #ifdef FEAT_MBYTE
8934 char_u *arg = NULL;
8935 int l;
8936 char_u *p;
8937 #endif
8938
8939 if (ex_normal_lock > 0)
8940 {
8941 EMSG(_(e_secure));
8942 return;
8943 }
8944 if (ex_normal_busy >= p_mmd)
8945 {
8946 EMSG(_("E192: Recursive use of :normal too deep"));
8947 return;
8948 }
8949 ++ex_normal_busy;
8950
8951 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8952 restart_edit = 0; /* don't go to Insert mode */
8953 p_im = FALSE; /* don't use 'insertmode' */
8954
8955 #ifdef FEAT_MBYTE
8956 /*
8957 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8958 * this for the K_SPECIAL leading byte, otherwise special keys will not
8959 * work.
8960 */
8961 if (has_mbyte)
8962 {
8963 int len = 0;
8964
8965 /* Count the number of characters to be escaped. */
8966 for (p = eap->arg; *p != NUL; ++p)
8967 {
8968 # ifdef FEAT_GUI
8969 if (*p == CSI) /* leadbyte CSI */
8970 len += 2;
8971 # endif
8972 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8973 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8974 # ifdef FEAT_GUI
8975 || *p == CSI
8976 # endif
8977 )
8978 len += 2;
8979 }
8980 if (len > 0)
8981 {
8982 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8983 if (arg != NULL)
8984 {
8985 len = 0;
8986 for (p = eap->arg; *p != NUL; ++p)
8987 {
8988 arg[len++] = *p;
8989 # ifdef FEAT_GUI
8990 if (*p == CSI)
8991 {
8992 arg[len++] = KS_EXTRA;
8993 arg[len++] = (int)KE_CSI;
8994 }
8995 # endif
8996 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8997 {
8998 arg[len++] = *++p;
8999 if (*p == K_SPECIAL)
9000 {
9001 arg[len++] = KS_SPECIAL;
9002 arg[len++] = KE_FILLER;
9003 }
9004 # ifdef FEAT_GUI
9005 else if (*p == CSI)
9006 {
9007 arg[len++] = KS_EXTRA;
9008 arg[len++] = (int)KE_CSI;
9009 }
9010 # endif
9011 }
9012 arg[len] = NUL;
9013 }
9014 }
9015 }
9016 }
9017 #endif
9018
9019 /*
9020 * Save the current typeahead. This is required to allow using ":normal"
9021 * from an event handler and makes sure we don't hang when the argument
9022 * ends with half a command.
9023 */
9024 save_typeahead(&tabuf);
9025 if (tabuf.typebuf_valid)
9026 {
9027 /*
9028 * Repeat the :normal command for each line in the range. When no
9029 * range given, execute it just once, without positioning the cursor
9030 * first.
9031 */
9032 do
9033 {
9034 if (eap->addr_count != 0)
9035 {
9036 curwin->w_cursor.lnum = eap->line1++;
9037 curwin->w_cursor.col = 0;
9038 }
9039
9040 exec_normal_cmd(
9041 #ifdef FEAT_MBYTE
9042 arg != NULL ? arg :
9043 #endif
9044 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9045 }
9046 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9047 }
9048
9049 /* Might not return to the main loop when in an event handler. */
9050 update_topline_cursor();
9051
9052 /* Restore the previous typeahead. */
9053 restore_typeahead(&tabuf);
9054
9055 --ex_normal_busy;
9056 msg_scroll = save_msg_scroll;
9057 restart_edit = save_restart_edit;
9058 p_im = save_insertmode;
9059 finish_op = save_finish_op;
9060 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9061
9062 /* Restore the state (needed when called from a function executed for
9063 * 'indentexpr'). */
9064 State = save_State;
9065 #ifdef FEAT_MBYTE
9066 vim_free(arg);
9067 #endif
9068 }
9069
9070 /*
9071 * ":startinsert", ":startreplace" and ":startgreplace"
9072 */
9073 static void
9074 ex_startinsert(eap)
9075 exarg_T *eap;
9076 {
9077 if (eap->forceit)
9078 {
9079 coladvance((colnr_T)MAXCOL);
9080 curwin->w_curswant = MAXCOL;
9081 curwin->w_set_curswant = FALSE;
9082 }
9083
9084 /* Ignore the command when already in Insert mode. Inserting an
9085 * expression register that invokes a function can do this. */
9086 if (State & INSERT)
9087 return;
9088
9089 if (eap->cmdidx == CMD_startinsert)
9090 restart_edit = 'a';
9091 else if (eap->cmdidx == CMD_startreplace)
9092 restart_edit = 'R';
9093 else
9094 restart_edit = 'V';
9095
9096 if (!eap->forceit)
9097 {
9098 if (eap->cmdidx == CMD_startinsert)
9099 restart_edit = 'i';
9100 curwin->w_curswant = 0; /* avoid MAXCOL */
9101 }
9102 }
9103
9104 /*
9105 * ":stopinsert"
9106 */
9107 /*ARGSUSED*/
9108 static void
9109 ex_stopinsert(eap)
9110 exarg_T *eap;
9111 {
9112 restart_edit = 0;
9113 stop_insert_mode = TRUE;
9114 }
9115 #endif
9116
9117 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9118 /*
9119 * Execute normal mode command "cmd".
9120 * "remap" can be REMAP_NONE or REMAP_YES.
9121 */
9122 void
9123 exec_normal_cmd(cmd, remap, silent)
9124 char_u *cmd;
9125 int remap;
9126 int silent;
9127 {
9128 oparg_T oa;
9129
9130 /*
9131 * Stuff the argument into the typeahead buffer.
9132 * Execute normal_cmd() until there is no typeahead left.
9133 */
9134 clear_oparg(&oa);
9135 finish_op = FALSE;
9136 ins_typebuf(cmd, remap, 0, TRUE, silent);
9137 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9138 && !got_int)
9139 {
9140 update_topline_cursor();
9141 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9142 }
9143 }
9144 #endif
9145
9146 #ifdef FEAT_FIND_ID
9147 static void
9148 ex_checkpath(eap)
9149 exarg_T *eap;
9150 {
9151 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9152 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9153 (linenr_T)1, (linenr_T)MAXLNUM);
9154 }
9155
9156 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9157 /*
9158 * ":psearch"
9159 */
9160 static void
9161 ex_psearch(eap)
9162 exarg_T *eap;
9163 {
9164 g_do_tagpreview = p_pvh;
9165 ex_findpat(eap);
9166 g_do_tagpreview = 0;
9167 }
9168 #endif
9169
9170 static void
9171 ex_findpat(eap)
9172 exarg_T *eap;
9173 {
9174 int whole = TRUE;
9175 long n;
9176 char_u *p;
9177 int action;
9178
9179 switch (cmdnames[eap->cmdidx].cmd_name[2])
9180 {
9181 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9182 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9183 action = ACTION_GOTO;
9184 else
9185 action = ACTION_SHOW;
9186 break;
9187 case 'i': /* ":ilist" and ":dlist" */
9188 action = ACTION_SHOW_ALL;
9189 break;
9190 case 'u': /* ":ijump" and ":djump" */
9191 action = ACTION_GOTO;
9192 break;
9193 default: /* ":isplit" and ":dsplit" */
9194 action = ACTION_SPLIT;
9195 break;
9196 }
9197
9198 n = 1;
9199 if (vim_isdigit(*eap->arg)) /* get count */
9200 {
9201 n = getdigits(&eap->arg);
9202 eap->arg = skipwhite(eap->arg);
9203 }
9204 if (*eap->arg == '/') /* Match regexp, not just whole words */
9205 {
9206 whole = FALSE;
9207 ++eap->arg;
9208 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9209 if (*p)
9210 {
9211 *p++ = NUL;
9212 p = skipwhite(p);
9213
9214 /* Check for trailing illegal characters */
9215 if (!ends_excmd(*p))
9216 eap->errmsg = e_trailing;
9217 else
9218 eap->nextcmd = check_nextcmd(p);
9219 }
9220 }
9221 if (!eap->skip)
9222 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9223 whole, !eap->forceit,
9224 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9225 n, action, eap->line1, eap->line2);
9226 }
9227 #endif
9228
9229 #ifdef FEAT_WINDOWS
9230
9231 # ifdef FEAT_QUICKFIX
9232 /*
9233 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9234 */
9235 static void
9236 ex_ptag(eap)
9237 exarg_T *eap;
9238 {
9239 g_do_tagpreview = p_pvh;
9240 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9241 }
9242
9243 /*
9244 * ":pedit"
9245 */
9246 static void
9247 ex_pedit(eap)
9248 exarg_T *eap;
9249 {
9250 win_T *curwin_save = curwin;
9251
9252 g_do_tagpreview = p_pvh;
9253 prepare_tagpreview(TRUE);
9254 keep_help_flag = curwin_save->w_buffer->b_help;
9255 do_exedit(eap, NULL);
9256 keep_help_flag = FALSE;
9257 if (curwin != curwin_save && win_valid(curwin_save))
9258 {
9259 /* Return cursor to where we were */
9260 validate_cursor();
9261 redraw_later(VALID);
9262 win_enter(curwin_save, TRUE);
9263 }
9264 g_do_tagpreview = 0;
9265 }
9266 # endif
9267
9268 /*
9269 * ":stag", ":stselect" and ":stjump".
9270 */
9271 static void
9272 ex_stag(eap)
9273 exarg_T *eap;
9274 {
9275 postponed_split = -1;
9276 postponed_split_flags = cmdmod.split;
9277 postponed_split_tab = cmdmod.tab;
9278 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9279 postponed_split_flags = 0;
9280 postponed_split_tab = 0;
9281 }
9282 #endif
9283
9284 /*
9285 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9286 */
9287 static void
9288 ex_tag(eap)
9289 exarg_T *eap;
9290 {
9291 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9292 }
9293
9294 static void
9295 ex_tag_cmd(eap, name)
9296 exarg_T *eap;
9297 char_u *name;
9298 {
9299 int cmd;
9300
9301 switch (name[1])
9302 {
9303 case 'j': cmd = DT_JUMP; /* ":tjump" */
9304 break;
9305 case 's': cmd = DT_SELECT; /* ":tselect" */
9306 break;
9307 case 'p': cmd = DT_PREV; /* ":tprevious" */
9308 break;
9309 case 'N': cmd = DT_PREV; /* ":tNext" */
9310 break;
9311 case 'n': cmd = DT_NEXT; /* ":tnext" */
9312 break;
9313 case 'o': cmd = DT_POP; /* ":pop" */
9314 break;
9315 case 'f': /* ":tfirst" */
9316 case 'r': cmd = DT_FIRST; /* ":trewind" */
9317 break;
9318 case 'l': cmd = DT_LAST; /* ":tlast" */
9319 break;
9320 default: /* ":tag" */
9321 #ifdef FEAT_CSCOPE
9322 if (p_cst)
9323 {
9324 do_cstag(eap);
9325 return;
9326 }
9327 #endif
9328 cmd = DT_TAG;
9329 break;
9330 }
9331
9332 if (name[0] == 'l')
9333 {
9334 #ifndef FEAT_QUICKFIX
9335 ex_ni(eap);
9336 return;
9337 #else
9338 cmd = DT_LTAG;
9339 #endif
9340 }
9341
9342 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9343 eap->forceit, TRUE);
9344 }
9345
9346 /*
9347 * Evaluate cmdline variables.
9348 *
9349 * change '%' to curbuf->b_ffname
9350 * '#' to curwin->w_altfile
9351 * '<cword>' to word under the cursor
9352 * '<cWORD>' to WORD under the cursor
9353 * '<cfile>' to path name under the cursor
9354 * '<sfile>' to sourced file name
9355 * '<afile>' to file name for autocommand
9356 * '<abuf>' to buffer number for autocommand
9357 * '<amatch>' to matching name for autocommand
9358 *
9359 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9360 * "" for error without a message) and NULL is returned.
9361 * Returns an allocated string if a valid match was found.
9362 * Returns NULL if no match was found. "usedlen" then still contains the
9363 * number of characters to skip.
9364 */
9365 char_u *
9366 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9367 char_u *src; /* pointer into commandline */
9368 char_u *srcstart; /* beginning of valid memory for src */
9369 int *usedlen; /* characters after src that are used */
9370 linenr_T *lnump; /* line number for :e command, or NULL */
9371 char_u **errormsg; /* pointer to error message */
9372 int *escaped; /* return value has escaped white space (can
9373 * be NULL) */
9374 {
9375 int i;
9376 char_u *s;
9377 char_u *result;
9378 char_u *resultbuf = NULL;
9379 int resultlen;
9380 buf_T *buf;
9381 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9382 int spec_idx;
9383 #ifdef FEAT_MODIFY_FNAME
9384 int skip_mod = FALSE;
9385 #endif
9386 static char *(spec_str[]) =
9387 {
9388 "%",
9389 #define SPEC_PERC 0
9390 "#",
9391 #define SPEC_HASH 1
9392 "<cword>", /* cursor word */
9393 #define SPEC_CWORD 2
9394 "<cWORD>", /* cursor WORD */
9395 #define SPEC_CCWORD 3
9396 "<cfile>", /* cursor path name */
9397 #define SPEC_CFILE 4
9398 "<sfile>", /* ":so" file name */
9399 #define SPEC_SFILE 5
9400 #ifdef FEAT_AUTOCMD
9401 "<afile>", /* autocommand file name */
9402 # define SPEC_AFILE 6
9403 "<abuf>", /* autocommand buffer number */
9404 # define SPEC_ABUF 7
9405 "<amatch>", /* autocommand match name */
9406 # define SPEC_AMATCH 8
9407 #endif
9408 #ifdef FEAT_CLIENTSERVER
9409 "<client>"
9410 # define SPEC_CLIENT 9
9411 #endif
9412 };
9413 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9414
9415 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9416 char_u strbuf[30];
9417 #endif
9418
9419 *errormsg = NULL;
9420 if (escaped != NULL)
9421 *escaped = FALSE;
9422
9423 /*
9424 * Check if there is something to do.
9425 */
9426 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9427 {
9428 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9429 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9430 break;
9431 }
9432 if (spec_idx == SPEC_COUNT) /* no match */
9433 {
9434 *usedlen = 1;
9435 return NULL;
9436 }
9437
9438 /*
9439 * Skip when preceded with a backslash "\%" and "\#".
9440 * Note: In "\\%" the % is also not recognized!
9441 */
9442 if (src > srcstart && src[-1] == '\\')
9443 {
9444 *usedlen = 0;
9445 mch_memmove(src - 1, src, STRLEN(src) + 1); /* remove backslash */
9446 return NULL;
9447 }
9448
9449 /*
9450 * word or WORD under cursor
9451 */
9452 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9453 {
9454 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9455 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9456 if (resultlen == 0)
9457 {
9458 *errormsg = (char_u *)"";
9459 return NULL;
9460 }
9461 }
9462
9463 /*
9464 * '#': Alternate file name
9465 * '%': Current file name
9466 * File name under the cursor
9467 * File name for autocommand
9468 * and following modifiers
9469 */
9470 else
9471 {
9472 switch (spec_idx)
9473 {
9474 case SPEC_PERC: /* '%': current file */
9475 if (curbuf->b_fname == NULL)
9476 {
9477 result = (char_u *)"";
9478 valid = 0; /* Must have ":p:h" to be valid */
9479 }
9480 else
9481 #ifdef RISCOS
9482 /* Always use the full path for RISC OS if possible. */
9483 result = curbuf->b_ffname;
9484 if (result == NULL)
9485 result = curbuf->b_fname;
9486 #else
9487 result = curbuf->b_fname;
9488 #endif
9489 break;
9490
9491 case SPEC_HASH: /* '#' or "#99": alternate file */
9492 if (src[1] == '#') /* "##": the argument list */
9493 {
9494 result = arg_all();
9495 resultbuf = result;
9496 *usedlen = 2;
9497 if (escaped != NULL)
9498 *escaped = TRUE;
9499 #ifdef FEAT_MODIFY_FNAME
9500 skip_mod = TRUE;
9501 #endif
9502 break;
9503 }
9504 s = src + 1;
9505 i = (int)getdigits(&s);
9506 *usedlen = (int)(s - src); /* length of what we expand */
9507
9508 buf = buflist_findnr(i);
9509 if (buf == NULL)
9510 {
9511 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9512 return NULL;
9513 }
9514 if (lnump != NULL)
9515 *lnump = ECMD_LAST;
9516 if (buf->b_fname == NULL)
9517 {
9518 result = (char_u *)"";
9519 valid = 0; /* Must have ":p:h" to be valid */
9520 }
9521 else
9522 result = buf->b_fname;
9523 break;
9524
9525 #ifdef FEAT_SEARCHPATH
9526 case SPEC_CFILE: /* file name under cursor */
9527 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9528 if (result == NULL)
9529 {
9530 *errormsg = (char_u *)"";
9531 return NULL;
9532 }
9533 resultbuf = result; /* remember allocated string */
9534 break;
9535 #endif
9536
9537 #ifdef FEAT_AUTOCMD
9538 case SPEC_AFILE: /* file name for autocommand */
9539 result = autocmd_fname;
9540 if (result == NULL)
9541 {
9542 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9543 return NULL;
9544 }
9545 result = shorten_fname1(result);
9546 break;
9547
9548 case SPEC_ABUF: /* buffer number for autocommand */
9549 if (autocmd_bufnr <= 0)
9550 {
9551 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9552 return NULL;
9553 }
9554 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9555 result = strbuf;
9556 break;
9557
9558 case SPEC_AMATCH: /* match name for autocommand */
9559 result = autocmd_match;
9560 if (result == NULL)
9561 {
9562 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9563 return NULL;
9564 }
9565 break;
9566
9567 #endif
9568 case SPEC_SFILE: /* file name for ":so" command */
9569 result = sourcing_name;
9570 if (result == NULL)
9571 {
9572 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9573 return NULL;
9574 }
9575 break;
9576 #if defined(FEAT_CLIENTSERVER)
9577 case SPEC_CLIENT: /* Source of last submitted input */
9578 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9579 (long_u)clientWindow);
9580 result = strbuf;
9581 break;
9582 #endif
9583 }
9584
9585 resultlen = (int)STRLEN(result); /* length of new string */
9586 if (src[*usedlen] == '<') /* remove the file name extension */
9587 {
9588 ++*usedlen;
9589 #ifdef RISCOS
9590 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9591 #else
9592 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9593 #endif
9594 resultlen = (int)(s - result);
9595 }
9596 #ifdef FEAT_MODIFY_FNAME
9597 else if (!skip_mod)
9598 {
9599 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9600 &resultlen);
9601 if (result == NULL)
9602 {
9603 *errormsg = (char_u *)"";
9604 return NULL;
9605 }
9606 }
9607 #endif
9608 }
9609
9610 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9611 {
9612 if (valid != VALID_HEAD + VALID_PATH)
9613 /* xgettext:no-c-format */
9614 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9615 else
9616 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9617 result = NULL;
9618 }
9619 else
9620 result = vim_strnsave(result, resultlen);
9621 vim_free(resultbuf);
9622 return result;
9623 }
9624
9625 /*
9626 * Concatenate all files in the argument list, separated by spaces, and return
9627 * it in one allocated string.
9628 * Spaces and backslashes in the file names are escaped with a backslash.
9629 * Returns NULL when out of memory.
9630 */
9631 static char_u *
9632 arg_all()
9633 {
9634 int len;
9635 int idx;
9636 char_u *retval = NULL;
9637 char_u *p;
9638
9639 /*
9640 * Do this loop two times:
9641 * first time: compute the total length
9642 * second time: concatenate the names
9643 */
9644 for (;;)
9645 {
9646 len = 0;
9647 for (idx = 0; idx < ARGCOUNT; ++idx)
9648 {
9649 p = alist_name(&ARGLIST[idx]);
9650 if (p != NULL)
9651 {
9652 if (len > 0)
9653 {
9654 /* insert a space in between names */
9655 if (retval != NULL)
9656 retval[len] = ' ';
9657 ++len;
9658 }
9659 for ( ; *p != NUL; ++p)
9660 {
9661 if (*p == ' ' || *p == '\\')
9662 {
9663 /* insert a backslash */
9664 if (retval != NULL)
9665 retval[len] = '\\';
9666 ++len;
9667 }
9668 if (retval != NULL)
9669 retval[len] = *p;
9670 ++len;
9671 }
9672 }
9673 }
9674
9675 /* second time: break here */
9676 if (retval != NULL)
9677 {
9678 retval[len] = NUL;
9679 break;
9680 }
9681
9682 /* allocate memory */
9683 retval = alloc(len + 1);
9684 if (retval == NULL)
9685 break;
9686 }
9687
9688 return retval;
9689 }
9690
9691 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9692 /*
9693 * Expand the <sfile> string in "arg".
9694 *
9695 * Returns an allocated string, or NULL for any error.
9696 */
9697 char_u *
9698 expand_sfile(arg)
9699 char_u *arg;
9700 {
9701 char_u *errormsg;
9702 int len;
9703 char_u *result;
9704 char_u *newres;
9705 char_u *repl;
9706 int srclen;
9707 char_u *p;
9708
9709 result = vim_strsave(arg);
9710 if (result == NULL)
9711 return NULL;
9712
9713 for (p = result; *p; )
9714 {
9715 if (STRNCMP(p, "<sfile>", 7) != 0)
9716 ++p;
9717 else
9718 {
9719 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9720 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9721 if (errormsg != NULL)
9722 {
9723 if (*errormsg)
9724 emsg(errormsg);
9725 vim_free(result);
9726 return NULL;
9727 }
9728 if (repl == NULL) /* no match (cannot happen) */
9729 {
9730 p += srclen;
9731 continue;
9732 }
9733 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9734 newres = alloc(len);
9735 if (newres == NULL)
9736 {
9737 vim_free(repl);
9738 vim_free(result);
9739 return NULL;
9740 }
9741 mch_memmove(newres, result, (size_t)(p - result));
9742 STRCPY(newres + (p - result), repl);
9743 len = (int)STRLEN(newres);
9744 STRCAT(newres, p + srclen);
9745 vim_free(repl);
9746 vim_free(result);
9747 result = newres;
9748 p = newres + len; /* continue after the match */
9749 }
9750 }
9751
9752 return result;
9753 }
9754 #endif
9755
9756 #ifdef FEAT_SESSION
9757 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9758 win_T *tab_firstwin));
9759 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9760 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9761 static int ses_do_frame __ARGS((frame_T *fr));
9762 static int ses_do_win __ARGS((win_T *wp));
9763 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9764 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9765 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9766
9767 /*
9768 * Write openfile commands for the current buffers to an .exrc file.
9769 * Return FAIL on error, OK otherwise.
9770 */
9771 static int
9772 makeopens(fd, dirnow)
9773 FILE *fd;
9774 char_u *dirnow; /* Current directory name */
9775 {
9776 buf_T *buf;
9777 int only_save_windows = TRUE;
9778 int nr;
9779 int cnr = 1;
9780 int restore_size = TRUE;
9781 win_T *wp;
9782 char_u *sname;
9783 win_T *edited_win = NULL;
9784 int tabnr;
9785 win_T *tab_firstwin;
9786 frame_T *tab_topframe;
9787 int cur_arg_idx = 0;
9788 int next_arg_idx = 0;
9789
9790 if (ssop_flags & SSOP_BUFFERS)
9791 only_save_windows = FALSE; /* Save ALL buffers */
9792
9793 /*
9794 * Begin by setting the this_session variable, and then other
9795 * sessionable variables.
9796 */
9797 #ifdef FEAT_EVAL
9798 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9799 return FAIL;
9800 if (ssop_flags & SSOP_GLOBALS)
9801 if (store_session_globals(fd) == FAIL)
9802 return FAIL;
9803 #endif
9804
9805 /*
9806 * Close all windows but one.
9807 */
9808 if (put_line(fd, "silent only") == FAIL)
9809 return FAIL;
9810
9811 /*
9812 * Now a :cd command to the session directory or the current directory
9813 */
9814 if (ssop_flags & SSOP_SESDIR)
9815 {
9816 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9817 == FAIL)
9818 return FAIL;
9819 }
9820 else if (ssop_flags & SSOP_CURDIR)
9821 {
9822 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9823 if (sname == NULL
9824 || fputs("cd ", fd) < 0
9825 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9826 || put_eol(fd) == FAIL)
9827 {
9828 vim_free(sname);
9829 return FAIL;
9830 }
9831 vim_free(sname);
9832 }
9833
9834 /*
9835 * If there is an empty, unnamed buffer we will wipe it out later.
9836 * Remember the buffer number.
9837 */
9838 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9839 return FAIL;
9840 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9841 return FAIL;
9842 if (put_line(fd, "endif") == FAIL)
9843 return FAIL;
9844
9845 /*
9846 * Now save the current files, current buffer first.
9847 */
9848 if (put_line(fd, "set shortmess=aoO") == FAIL)
9849 return FAIL;
9850
9851 /* Now put the other buffers into the buffer list */
9852 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9853 {
9854 if (!(only_save_windows && buf->b_nwindows == 0)
9855 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9856 && buf->b_fname != NULL
9857 && buf->b_p_bl)
9858 {
9859 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9860 : buf->b_wininfo->wi_fpos.lnum) < 0
9861 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9862 return FAIL;
9863 }
9864 }
9865
9866 /* the global argument list */
9867 if (ses_arglist(fd, "args", &global_alist.al_ga,
9868 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9869 return FAIL;
9870
9871 if (ssop_flags & SSOP_RESIZE)
9872 {
9873 /* Note: after the restore we still check it worked!*/
9874 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9875 || put_eol(fd) == FAIL)
9876 return FAIL;
9877 }
9878
9879 #ifdef FEAT_GUI
9880 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9881 {
9882 int x, y;
9883
9884 if (gui_mch_get_winpos(&x, &y) == OK)
9885 {
9886 /* Note: after the restore we still check it worked!*/
9887 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9888 return FAIL;
9889 }
9890 }
9891 #endif
9892
9893 /*
9894 * May repeat putting Windows for each tab, when "tabpages" is in
9895 * 'sessionoptions'.
9896 * Don't use goto_tabpage(), it may change directory and trigger
9897 * autocommands.
9898 */
9899 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9900 tab_topframe = topframe;
9901 for (tabnr = 1; ; ++tabnr)
9902 {
9903 int need_tabnew = FALSE;
9904
9905 if ((ssop_flags & SSOP_TABPAGES))
9906 {
9907 tabpage_T *tp = find_tabpage(tabnr);
9908
9909 if (tp == NULL)
9910 break; /* done all tab pages */
9911 if (tp == curtab)
9912 {
9913 tab_firstwin = firstwin;
9914 tab_topframe = topframe;
9915 }
9916 else
9917 {
9918 tab_firstwin = tp->tp_firstwin;
9919 tab_topframe = tp->tp_topframe;
9920 }
9921 if (tabnr > 1)
9922 need_tabnew = TRUE;
9923 }
9924
9925 /*
9926 * Before creating the window layout, try loading one file. If this
9927 * is aborted we don't end up with a number of useless windows.
9928 * This may have side effects! (e.g., compressed or network file).
9929 */
9930 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9931 {
9932 if (ses_do_win(wp)
9933 && wp->w_buffer->b_ffname != NULL
9934 && !wp->w_buffer->b_help
9935 #ifdef FEAT_QUICKFIX
9936 && !bt_nofile(wp->w_buffer)
9937 #endif
9938 )
9939 {
9940 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9941 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9942 return FAIL;
9943 need_tabnew = FALSE;
9944 if (!wp->w_arg_idx_invalid)
9945 edited_win = wp;
9946 break;
9947 }
9948 }
9949
9950 /* If no file got edited create an empty tab page. */
9951 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9952 return FAIL;
9953
9954 /*
9955 * Save current window layout.
9956 */
9957 if (put_line(fd, "set splitbelow splitright") == FAIL)
9958 return FAIL;
9959 if (ses_win_rec(fd, tab_topframe) == FAIL)
9960 return FAIL;
9961 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9962 return FAIL;
9963 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9964 return FAIL;
9965
9966 /*
9967 * Check if window sizes can be restored (no windows omitted).
9968 * Remember the window number of the current window after restoring.
9969 */
9970 nr = 0;
9971 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9972 {
9973 if (ses_do_win(wp))
9974 ++nr;
9975 else
9976 restore_size = FALSE;
9977 if (curwin == wp)
9978 cnr = nr;
9979 }
9980
9981 /* Go to the first window. */
9982 if (put_line(fd, "wincmd t") == FAIL)
9983 return FAIL;
9984
9985 /*
9986 * If more than one window, see if sizes can be restored.
9987 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9988 * resized when moving between windows.
9989 * Do this before restoring the view, so that the topline and the
9990 * cursor can be set. This is done again below.
9991 */
9992 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9993 return FAIL;
9994 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9995 return FAIL;
9996
9997 /*
9998 * Restore the view of the window (options, file, cursor, etc.).
9999 */
10000 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10001 {
10002 if (!ses_do_win(wp))
10003 continue;
10004 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10005 cur_arg_idx) == FAIL)
10006 return FAIL;
10007 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10008 return FAIL;
10009 next_arg_idx = wp->w_arg_idx;
10010 }
10011
10012 /* The argument index in the first tab page is zero, need to set it in
10013 * each window. For further tab pages it's the window where we do
10014 * "tabedit". */
10015 cur_arg_idx = next_arg_idx;
10016
10017 /*
10018 * Restore cursor to the current window if it's not the first one.
10019 */
10020 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10021 || put_eol(fd) == FAIL))
10022 return FAIL;
10023
10024 /*
10025 * Restore window sizes again after jumping around in windows, because
10026 * the current window has a minimum size while others may not.
10027 */
10028 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10029 return FAIL;
10030
10031 /* Don't continue in another tab page when doing only the current one
10032 * or when at the last tab page. */
10033 if (!(ssop_flags & SSOP_TABPAGES))
10034 break;
10035 }
10036
10037 if (ssop_flags & SSOP_TABPAGES)
10038 {
10039 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10040 || put_eol(fd) == FAIL)
10041 return FAIL;
10042 }
10043
10044 /*
10045 * Wipe out an empty unnamed buffer we started in.
10046 */
10047 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10048 return FAIL;
10049 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10050 return FAIL;
10051 if (put_line(fd, "endif") == FAIL)
10052 return FAIL;
10053 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10054 return FAIL;
10055
10056 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10057 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10058 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10059 return FAIL;
10060
10061 /*
10062 * Lastly, execute the x.vim file if it exists.
10063 */
10064 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10065 || put_line(fd, "if file_readable(s:sx)") == FAIL
10066 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10067 || put_line(fd, "endif") == FAIL)
10068 return FAIL;
10069
10070 return OK;
10071 }
10072
10073 static int
10074 ses_winsizes(fd, restore_size, tab_firstwin)
10075 FILE *fd;
10076 int restore_size;
10077 win_T *tab_firstwin;
10078 {
10079 int n = 0;
10080 win_T *wp;
10081
10082 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10083 {
10084 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10085 {
10086 if (!ses_do_win(wp))
10087 continue;
10088 ++n;
10089
10090 /* restore height when not full height */
10091 if (wp->w_height + wp->w_status_height < topframe->fr_height
10092 && (fprintf(fd,
10093 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10094 n, (long)wp->w_height, Rows / 2, Rows) < 0
10095 || put_eol(fd) == FAIL))
10096 return FAIL;
10097
10098 /* restore width when not full width */
10099 if (wp->w_width < Columns && (fprintf(fd,
10100 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10101 n, (long)wp->w_width, Columns / 2, Columns) < 0
10102 || put_eol(fd) == FAIL))
10103 return FAIL;
10104 }
10105 }
10106 else
10107 {
10108 /* Just equalise window sizes */
10109 if (put_line(fd, "wincmd =") == FAIL)
10110 return FAIL;
10111 }
10112 return OK;
10113 }
10114
10115 /*
10116 * Write commands to "fd" to recursively create windows for frame "fr",
10117 * horizontally and vertically split.
10118 * After the commands the last window in the frame is the current window.
10119 * Returns FAIL when writing the commands to "fd" fails.
10120 */
10121 static int
10122 ses_win_rec(fd, fr)
10123 FILE *fd;
10124 frame_T *fr;
10125 {
10126 frame_T *frc;
10127 int count = 0;
10128
10129 if (fr->fr_layout != FR_LEAF)
10130 {
10131 /* Find first frame that's not skipped and then create a window for
10132 * each following one (first frame is already there). */
10133 frc = ses_skipframe(fr->fr_child);
10134 if (frc != NULL)
10135 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10136 {
10137 /* Make window as big as possible so that we have lots of room
10138 * to split. */
10139 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10140 || put_line(fd, fr->fr_layout == FR_COL
10141 ? "split" : "vsplit") == FAIL)
10142 return FAIL;
10143 ++count;
10144 }
10145
10146 /* Go back to the first window. */
10147 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10148 ? "%dwincmd k" : "%dwincmd h", count) < 0
10149 || put_eol(fd) == FAIL))
10150 return FAIL;
10151
10152 /* Recursively create frames/windows in each window of this column or
10153 * row. */
10154 frc = ses_skipframe(fr->fr_child);
10155 while (frc != NULL)
10156 {
10157 ses_win_rec(fd, frc);
10158 frc = ses_skipframe(frc->fr_next);
10159 /* Go to next window. */
10160 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10161 return FAIL;
10162 }
10163 }
10164 return OK;
10165 }
10166
10167 /*
10168 * Skip frames that don't contain windows we want to save in the Session.
10169 * Returns NULL when there none.
10170 */
10171 static frame_T *
10172 ses_skipframe(fr)
10173 frame_T *fr;
10174 {
10175 frame_T *frc;
10176
10177 for (frc = fr; frc != NULL; frc = frc->fr_next)
10178 if (ses_do_frame(frc))
10179 break;
10180 return frc;
10181 }
10182
10183 /*
10184 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10185 * the Session.
10186 */
10187 static int
10188 ses_do_frame(fr)
10189 frame_T *fr;
10190 {
10191 frame_T *frc;
10192
10193 if (fr->fr_layout == FR_LEAF)
10194 return ses_do_win(fr->fr_win);
10195 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10196 if (ses_do_frame(frc))
10197 return TRUE;
10198 return FALSE;
10199 }
10200
10201 /*
10202 * Return non-zero if window "wp" is to be stored in the Session.
10203 */
10204 static int
10205 ses_do_win(wp)
10206 win_T *wp;
10207 {
10208 if (wp->w_buffer->b_fname == NULL
10209 #ifdef FEAT_QUICKFIX
10210 /* When 'buftype' is "nofile" can't restore the window contents. */
10211 || bt_nofile(wp->w_buffer)
10212 #endif
10213 )
10214 return (ssop_flags & SSOP_BLANK);
10215 if (wp->w_buffer->b_help)
10216 return (ssop_flags & SSOP_HELP);
10217 return TRUE;
10218 }
10219
10220 /*
10221 * Write commands to "fd" to restore the view of a window.
10222 * Caller must make sure 'scrolloff' is zero.
10223 */
10224 static int
10225 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10226 FILE *fd;
10227 win_T *wp;
10228 int add_edit; /* add ":edit" command to view */
10229 unsigned *flagp; /* vop_flags or ssop_flags */
10230 int current_arg_idx; /* current argument index of the window, use
10231 * -1 if unknown */
10232 {
10233 win_T *save_curwin;
10234 int f;
10235 int do_cursor;
10236 int did_next = FALSE;
10237
10238 /* Always restore cursor position for ":mksession". For ":mkview" only
10239 * when 'viewoptions' contains "cursor". */
10240 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10241
10242 /*
10243 * Local argument list.
10244 */
10245 if (wp->w_alist == &global_alist)
10246 {
10247 if (put_line(fd, "argglobal") == FAIL)
10248 return FAIL;
10249 }
10250 else
10251 {
10252 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10253 flagp == &vop_flags
10254 || !(*flagp & SSOP_CURDIR)
10255 || wp->w_localdir != NULL, flagp) == FAIL)
10256 return FAIL;
10257 }
10258
10259 /* Only when part of a session: restore the argument index. Some
10260 * arguments may have been deleted, check if the index is valid. */
10261 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10262 && flagp == &ssop_flags)
10263 {
10264 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10265 || put_eol(fd) == FAIL)
10266 return FAIL;
10267 did_next = TRUE;
10268 }
10269
10270 /* Edit the file. Skip this when ":next" already did it. */
10271 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10272 {
10273 /*
10274 * Load the file.
10275 */
10276 if (wp->w_buffer->b_ffname != NULL
10277 #ifdef FEAT_QUICKFIX
10278 && !bt_nofile(wp->w_buffer)
10279 #endif
10280 )
10281 {
10282 /*
10283 * Editing a file in this buffer: use ":edit file".
10284 * This may have side effects! (e.g., compressed or network file).
10285 */
10286 if (fputs("edit ", fd) < 0
10287 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10288 return FAIL;
10289 }
10290 else
10291 {
10292 /* No file in this buffer, just make it empty. */
10293 if (put_line(fd, "enew") == FAIL)
10294 return FAIL;
10295 #ifdef FEAT_QUICKFIX
10296 if (wp->w_buffer->b_ffname != NULL)
10297 {
10298 /* The buffer does have a name, but it's not a file name. */
10299 if (fputs("file ", fd) < 0
10300 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10301 return FAIL;
10302 }
10303 #endif
10304 do_cursor = FALSE;
10305 }
10306 }
10307
10308 /*
10309 * Local mappings and abbreviations.
10310 */
10311 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10312 && makemap(fd, wp->w_buffer) == FAIL)
10313 return FAIL;
10314
10315 /*
10316 * Local options. Need to go to the window temporarily.
10317 * Store only local values when using ":mkview" and when ":mksession" is
10318 * used and 'sessionoptions' doesn't include "options".
10319 * Some folding options are always stored when "folds" is included,
10320 * otherwise the folds would not be restored correctly.
10321 */
10322 save_curwin = curwin;
10323 curwin = wp;
10324 curbuf = curwin->w_buffer;
10325 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10326 f = makeset(fd, OPT_LOCAL,
10327 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10328 #ifdef FEAT_FOLDING
10329 else if (*flagp & SSOP_FOLDS)
10330 f = makefoldset(fd);
10331 #endif
10332 else
10333 f = OK;
10334 curwin = save_curwin;
10335 curbuf = curwin->w_buffer;
10336 if (f == FAIL)
10337 return FAIL;
10338
10339 #ifdef FEAT_FOLDING
10340 /*
10341 * Save Folds when 'buftype' is empty and for help files.
10342 */
10343 if ((*flagp & SSOP_FOLDS)
10344 && wp->w_buffer->b_ffname != NULL
10345 # ifdef FEAT_QUICKFIX
10346 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10347 # endif
10348 )
10349 {
10350 if (put_folds(fd, wp) == FAIL)
10351 return FAIL;
10352 }
10353 #endif
10354
10355 /*
10356 * Set the cursor after creating folds, since that moves the cursor.
10357 */
10358 if (do_cursor)
10359 {
10360
10361 /* Restore the cursor line in the file and relatively in the
10362 * window. Don't use "G", it changes the jumplist. */
10363 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10364 (long)wp->w_cursor.lnum,
10365 (long)(wp->w_cursor.lnum - wp->w_topline),
10366 (long)wp->w_height / 2, (long)wp->w_height) < 0
10367 || put_eol(fd) == FAIL
10368 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10369 || put_line(fd, "exe s:l") == FAIL
10370 || put_line(fd, "normal! zt") == FAIL
10371 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10372 || put_eol(fd) == FAIL)
10373 return FAIL;
10374 /* Restore the cursor column and left offset when not wrapping. */
10375 if (wp->w_cursor.col == 0)
10376 {
10377 if (put_line(fd, "normal! 0") == FAIL)
10378 return FAIL;
10379 }
10380 else
10381 {
10382 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10383 {
10384 if (fprintf(fd,
10385 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10386 (long)wp->w_cursor.col,
10387 (long)(wp->w_cursor.col - wp->w_leftcol),
10388 (long)wp->w_width / 2, (long)wp->w_width) < 0
10389 || put_eol(fd) == FAIL
10390 || put_line(fd, "if s:c > 0") == FAIL
10391 || fprintf(fd,
10392 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10393 (long)wp->w_cursor.col) < 0
10394 || put_eol(fd) == FAIL
10395 || put_line(fd, "else") == FAIL
10396 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10397 || put_eol(fd) == FAIL
10398 || put_line(fd, "endif") == FAIL)
10399 return FAIL;
10400 }
10401 else
10402 {
10403 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10404 || put_eol(fd) == FAIL)
10405 return FAIL;
10406 }
10407 }
10408 }
10409
10410 /*
10411 * Local directory.
10412 */
10413 if (wp->w_localdir != NULL)
10414 {
10415 if (fputs("lcd ", fd) < 0
10416 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10417 || put_eol(fd) == FAIL)
10418 return FAIL;
10419 did_lcd = TRUE;
10420 }
10421
10422 return OK;
10423 }
10424
10425 /*
10426 * Write an argument list to the session file.
10427 * Returns FAIL if writing fails.
10428 */
10429 static int
10430 ses_arglist(fd, cmd, gap, fullname, flagp)
10431 FILE *fd;
10432 char *cmd;
10433 garray_T *gap;
10434 int fullname; /* TRUE: use full path name */
10435 unsigned *flagp;
10436 {
10437 int i;
10438 char_u buf[MAXPATHL];
10439 char_u *s;
10440
10441 if (gap->ga_len == 0)
10442 return put_line(fd, "silent! argdel *");
10443 if (fputs(cmd, fd) < 0)
10444 return FAIL;
10445 for (i = 0; i < gap->ga_len; ++i)
10446 {
10447 /* NULL file names are skipped (only happens when out of memory). */
10448 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10449 if (s != NULL)
10450 {
10451 if (fullname)
10452 {
10453 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10454 s = buf;
10455 }
10456 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10457 return FAIL;
10458 }
10459 }
10460 return put_eol(fd);
10461 }
10462
10463 /*
10464 * Write a buffer name to the session file.
10465 * Also ends the line.
10466 * Returns FAIL if writing fails.
10467 */
10468 static int
10469 ses_fname(fd, buf, flagp)
10470 FILE *fd;
10471 buf_T *buf;
10472 unsigned *flagp;
10473 {
10474 char_u *name;
10475
10476 /* Use the short file name if the current directory is known at the time
10477 * the session file will be sourced.
10478 * Don't do this for ":mkview", we don't know the current directory.
10479 * Don't do this after ":lcd", we don't keep track of what the current
10480 * directory is. */
10481 if (buf->b_sfname != NULL
10482 && flagp == &ssop_flags
10483 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10484 && !did_lcd)
10485 name = buf->b_sfname;
10486 else
10487 name = buf->b_ffname;
10488 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10489 return FAIL;
10490 return OK;
10491 }
10492
10493 /*
10494 * Write a file name to the session file.
10495 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10496 * characters.
10497 * Returns FAIL if writing fails.
10498 */
10499 static int
10500 ses_put_fname(fd, name, flagp)
10501 FILE *fd;
10502 char_u *name;
10503 unsigned *flagp;
10504 {
10505 char_u *sname;
10506 int retval = OK;
10507 int c;
10508
10509 sname = home_replace_save(NULL, name);
10510 if (sname != NULL)
10511 name = sname;
10512 while (*name != NUL)
10513 {
10514 #ifdef FEAT_MBYTE
10515 {
10516 int l;
10517
10518 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10519 {
10520 /* copy a multibyte char */
10521 while (--l >= 0)
10522 {
10523 if (putc(*name, fd) != *name)
10524 retval = FAIL;
10525 ++name;
10526 }
10527 continue;
10528 }
10529 }
10530 #endif
10531 c = *name++;
10532 if (c == '\\' && (*flagp & SSOP_SLASH))
10533 /* change a backslash to a forward slash */
10534 c = '/';
10535 else if ((vim_strchr(escape_chars, c) != NULL
10536 #ifdef BACKSLASH_IN_FILENAME
10537 && c != '\\'
10538 #endif
10539 ) || c == '#' || c == '%')
10540 {
10541 /* escape a special character with a backslash */
10542 if (putc('\\', fd) != '\\')
10543 retval = FAIL;
10544 }
10545 if (putc(c, fd) != c)
10546 retval = FAIL;
10547 }
10548 vim_free(sname);
10549 return retval;
10550 }
10551
10552 /*
10553 * ":loadview [nr]"
10554 */
10555 static void
10556 ex_loadview(eap)
10557 exarg_T *eap;
10558 {
10559 char_u *fname;
10560
10561 fname = get_view_file(*eap->arg);
10562 if (fname != NULL)
10563 {
10564 do_source(fname, FALSE, DOSO_NONE);
10565 vim_free(fname);
10566 }
10567 }
10568
10569 /*
10570 * Get the name of the view file for the current buffer.
10571 */
10572 static char_u *
10573 get_view_file(c)
10574 int c;
10575 {
10576 int len = 0;
10577 char_u *p, *s;
10578 char_u *retval;
10579 char_u *sname;
10580
10581 if (curbuf->b_ffname == NULL)
10582 {
10583 EMSG(_(e_noname));
10584 return NULL;
10585 }
10586 sname = home_replace_save(NULL, curbuf->b_ffname);
10587 if (sname == NULL)
10588 return NULL;
10589
10590 /*
10591 * We want a file name without separators, because we're not going to make
10592 * a directory.
10593 * "normal" path separator -> "=+"
10594 * "=" -> "=="
10595 * ":" path separator -> "=-"
10596 */
10597 for (p = sname; *p; ++p)
10598 if (*p == '=' || vim_ispathsep(*p))
10599 ++len;
10600 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10601 if (retval != NULL)
10602 {
10603 STRCPY(retval, p_vdir);
10604 add_pathsep(retval);
10605 s = retval + STRLEN(retval);
10606 for (p = sname; *p; ++p)
10607 {
10608 if (*p == '=')
10609 {
10610 *s++ = '=';
10611 *s++ = '=';
10612 }
10613 else if (vim_ispathsep(*p))
10614 {
10615 *s++ = '=';
10616 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10617 || defined(VMS)
10618 if (*p == ':')
10619 *s++ = '-';
10620 else
10621 #endif
10622 *s++ = '+';
10623 }
10624 else
10625 *s++ = *p;
10626 }
10627 *s++ = '=';
10628 *s++ = c;
10629 STRCPY(s, ".vim");
10630 }
10631
10632 vim_free(sname);
10633 return retval;
10634 }
10635
10636 #endif /* FEAT_SESSION */
10637
10638 /*
10639 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10640 * Return FAIL for a write error.
10641 */
10642 int
10643 put_eol(fd)
10644 FILE *fd;
10645 {
10646 if (
10647 #ifdef USE_CRNL
10648 (
10649 # ifdef MKSESSION_NL
10650 !mksession_nl &&
10651 # endif
10652 (putc('\r', fd) < 0)) ||
10653 #endif
10654 (putc('\n', fd) < 0))
10655 return FAIL;
10656 return OK;
10657 }
10658
10659 /*
10660 * Write a line to "fd".
10661 * Return FAIL for a write error.
10662 */
10663 int
10664 put_line(fd, s)
10665 FILE *fd;
10666 char *s;
10667 {
10668 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10669 return FAIL;
10670 return OK;
10671 }
10672
10673 #ifdef FEAT_VIMINFO
10674 /*
10675 * ":rviminfo" and ":wviminfo".
10676 */
10677 static void
10678 ex_viminfo(eap)
10679 exarg_T *eap;
10680 {
10681 char_u *save_viminfo;
10682
10683 save_viminfo = p_viminfo;
10684 if (*p_viminfo == NUL)
10685 p_viminfo = (char_u *)"'100";
10686 if (eap->cmdidx == CMD_rviminfo)
10687 {
10688 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10689 EMSG(_("E195: Cannot open viminfo file for reading"));
10690 }
10691 else
10692 write_viminfo(eap->arg, eap->forceit);
10693 p_viminfo = save_viminfo;
10694 }
10695 #endif
10696
10697 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10698 /*
10699 * Make a dialog message in "buff[IOSIZE]".
10700 * "format" must contain "%s".
10701 */
10702 void
10703 dialog_msg(buff, format, fname)
10704 char_u *buff;
10705 char *format;
10706 char_u *fname;
10707 {
10708 if (fname == NULL)
10709 fname = (char_u *)_("Untitled");
10710 vim_snprintf((char *)buff, IOSIZE, format, fname);
10711 }
10712 #endif
10713
10714 /*
10715 * ":behave {mswin,xterm}"
10716 */
10717 static void
10718 ex_behave(eap)
10719 exarg_T *eap;
10720 {
10721 if (STRCMP(eap->arg, "mswin") == 0)
10722 {
10723 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10724 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10725 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10726 set_option_value((char_u *)"keymodel", 0L,
10727 (char_u *)"startsel,stopsel", 0);
10728 }
10729 else if (STRCMP(eap->arg, "xterm") == 0)
10730 {
10731 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10732 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10733 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10734 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10735 }
10736 else
10737 EMSG2(_(e_invarg2), eap->arg);
10738 }
10739
10740 #ifdef FEAT_AUTOCMD
10741 static int filetype_detect = FALSE;
10742 static int filetype_plugin = FALSE;
10743 static int filetype_indent = FALSE;
10744
10745 /*
10746 * ":filetype [plugin] [indent] {on,off,detect}"
10747 * on: Load the filetype.vim file to install autocommands for file types.
10748 * off: Load the ftoff.vim file to remove all autocommands for file types.
10749 * plugin on: load filetype.vim and ftplugin.vim
10750 * plugin off: load ftplugof.vim
10751 * indent on: load filetype.vim and indent.vim
10752 * indent off: load indoff.vim
10753 */
10754 static void
10755 ex_filetype(eap)
10756 exarg_T *eap;
10757 {
10758 char_u *arg = eap->arg;
10759 int plugin = FALSE;
10760 int indent = FALSE;
10761
10762 if (*eap->arg == NUL)
10763 {
10764 /* Print current status. */
10765 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10766 filetype_detect ? "ON" : "OFF",
10767 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10768 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10769 return;
10770 }
10771
10772 /* Accept "plugin" and "indent" in any order. */
10773 for (;;)
10774 {
10775 if (STRNCMP(arg, "plugin", 6) == 0)
10776 {
10777 plugin = TRUE;
10778 arg = skipwhite(arg + 6);
10779 continue;
10780 }
10781 if (STRNCMP(arg, "indent", 6) == 0)
10782 {
10783 indent = TRUE;
10784 arg = skipwhite(arg + 6);
10785 continue;
10786 }
10787 break;
10788 }
10789 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10790 {
10791 if (*arg == 'o' || !filetype_detect)
10792 {
10793 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10794 filetype_detect = TRUE;
10795 if (plugin)
10796 {
10797 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10798 filetype_plugin = TRUE;
10799 }
10800 if (indent)
10801 {
10802 source_runtime((char_u *)INDENT_FILE, TRUE);
10803 filetype_indent = TRUE;
10804 }
10805 }
10806 if (*arg == 'd')
10807 {
10808 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10809 do_modelines(0);
10810 }
10811 }
10812 else if (STRCMP(arg, "off") == 0)
10813 {
10814 if (plugin || indent)
10815 {
10816 if (plugin)
10817 {
10818 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10819 filetype_plugin = FALSE;
10820 }
10821 if (indent)
10822 {
10823 source_runtime((char_u *)INDOFF_FILE, TRUE);
10824 filetype_indent = FALSE;
10825 }
10826 }
10827 else
10828 {
10829 source_runtime((char_u *)FTOFF_FILE, TRUE);
10830 filetype_detect = FALSE;
10831 }
10832 }
10833 else
10834 EMSG2(_(e_invarg2), arg);
10835 }
10836
10837 /*
10838 * ":setfiletype {name}"
10839 */
10840 static void
10841 ex_setfiletype(eap)
10842 exarg_T *eap;
10843 {
10844 if (!did_filetype)
10845 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10846 }
10847 #endif
10848
10849 /*ARGSUSED*/
10850 static void
10851 ex_digraphs(eap)
10852 exarg_T *eap;
10853 {
10854 #ifdef FEAT_DIGRAPHS
10855 if (*eap->arg != NUL)
10856 putdigraph(eap->arg);
10857 else
10858 listdigraphs();
10859 #else
10860 EMSG(_("E196: No digraphs in this version"));
10861 #endif
10862 }
10863
10864 static void
10865 ex_set(eap)
10866 exarg_T *eap;
10867 {
10868 int flags = 0;
10869
10870 if (eap->cmdidx == CMD_setlocal)
10871 flags = OPT_LOCAL;
10872 else if (eap->cmdidx == CMD_setglobal)
10873 flags = OPT_GLOBAL;
10874 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10875 if (cmdmod.browse && flags == 0)
10876 ex_options(eap);
10877 else
10878 #endif
10879 (void)do_set(eap->arg, flags);
10880 }
10881
10882 #ifdef FEAT_SEARCH_EXTRA
10883 /*
10884 * ":nohlsearch"
10885 */
10886 /*ARGSUSED*/
10887 static void
10888 ex_nohlsearch(eap)
10889 exarg_T *eap;
10890 {
10891 no_hlsearch = TRUE;
10892 redraw_all_later(SOME_VALID);
10893 }
10894
10895 /*
10896 * ":[N]match {group} {pattern}"
10897 * Sets nextcmd to the start of the next command, if any. Also called when
10898 * skipping commands to find the next command.
10899 */
10900 static void
10901 ex_match(eap)
10902 exarg_T *eap;
10903 {
10904 char_u *p;
10905 char_u *g = NULL;
10906 char_u *end;
10907 int c;
10908 int id;
10909
10910 if (eap->line2 <= 3)
10911 id = eap->line2;
10912 else
10913 {
10914 EMSG(e_invcmd);
10915 return;
10916 }
10917
10918 /* First clear any old pattern. */
10919 if (!eap->skip)
10920 match_delete(curwin, id, FALSE);
10921
10922 if (ends_excmd(*eap->arg))
10923 end = eap->arg;
10924 else if ((STRNICMP(eap->arg, "none", 4) == 0
10925 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10926 end = eap->arg + 4;
10927 else
10928 {
10929 p = skiptowhite(eap->arg);
10930 if (!eap->skip)
10931 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10932 p = skipwhite(p);
10933 if (*p == NUL)
10934 {
10935 /* There must be two arguments. */
10936 EMSG2(_(e_invarg2), eap->arg);
10937 return;
10938 }
10939 end = skip_regexp(p + 1, *p, TRUE, NULL);
10940 if (!eap->skip)
10941 {
10942 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10943 {
10944 eap->errmsg = e_trailing;
10945 return;
10946 }
10947 if (*end != *p)
10948 {
10949 EMSG2(_(e_invarg2), p);
10950 return;
10951 }
10952
10953 c = *end;
10954 *end = NUL;
10955 match_add(curwin, g, p + 1, 10, id);
10956 vim_free(g);
10957 *end = c;
10958 }
10959 }
10960 eap->nextcmd = find_nextcmd(end);
10961 }
10962 #endif
10963
10964 #ifdef FEAT_CRYPT
10965 /*
10966 * ":X": Get crypt key
10967 */
10968 /*ARGSUSED*/
10969 static void
10970 ex_X(eap)
10971 exarg_T *eap;
10972 {
10973 (void)get_crypt_key(TRUE, TRUE);
10974 }
10975 #endif
10976
10977 #ifdef FEAT_FOLDING
10978 static void
10979 ex_fold(eap)
10980 exarg_T *eap;
10981 {
10982 if (foldManualAllowed(TRUE))
10983 foldCreate(eap->line1, eap->line2);
10984 }
10985
10986 static void
10987 ex_foldopen(eap)
10988 exarg_T *eap;
10989 {
10990 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10991 eap->forceit, FALSE);
10992 }
10993
10994 static void
10995 ex_folddo(eap)
10996 exarg_T *eap;
10997 {
10998 linenr_T lnum;
10999
11000 /* First set the marks for all lines closed/open. */
11001 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11002 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11003 ml_setmarked(lnum);
11004
11005 /* Execute the command on the marked lines. */
11006 global_exe(eap->arg);
11007 ml_clearmarked(); /* clear rest of the marks */
11008 }
11009 #endif
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