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[MacVim/jjgod.git] / src / ex_docmd.c
blob52f21e8f3d37ff9788551c95dc2c3d0a0614499e
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));
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 doensn'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 == '"' || *ea.cmd == NUL)
1751 {
1752 ex_pressedreturn = TRUE;
1753 goto doend;
1754 }
1755
1756 /*
1757 * 2. handle command modifiers.
1758 */
1759 p = ea.cmd;
1760 if (VIM_ISDIGIT(*ea.cmd))
1761 p = skipwhite(skipdigits(ea.cmd));
1762 switch (*p)
1763 {
1764 /* When adding an entry, also modify cmd_exists(). */
1765 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1766 break;
1767 #ifdef FEAT_WINDOWS
1768 cmdmod.split |= WSP_ABOVE;
1769 #endif
1770 continue;
1771
1772 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1773 {
1774 #ifdef FEAT_WINDOWS
1775 cmdmod.split |= WSP_BELOW;
1776 #endif
1777 continue;
1778 }
1779 if (checkforcmd(&ea.cmd, "browse", 3))
1780 {
1781 #ifdef FEAT_BROWSE
1782 cmdmod.browse = TRUE;
1783 #endif
1784 continue;
1785 }
1786 if (!checkforcmd(&ea.cmd, "botright", 2))
1787 break;
1788 #ifdef FEAT_WINDOWS
1789 cmdmod.split |= WSP_BOT;
1790 #endif
1791 continue;
1792
1793 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1794 break;
1795 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1796 cmdmod.confirm = TRUE;
1797 #endif
1798 continue;
1799
1800 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1801 {
1802 cmdmod.keepmarks = TRUE;
1803 continue;
1804 }
1805 if (checkforcmd(&ea.cmd, "keepalt", 5))
1806 {
1807 cmdmod.keepalt = TRUE;
1808 continue;
1809 }
1810 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1811 break;
1812 cmdmod.keepjumps = TRUE;
1813 continue;
1814
1815 /* ":hide" and ":hide | cmd" are not modifiers */
1816 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1817 || *p == NUL || ends_excmd(*p))
1818 break;
1819 ea.cmd = p;
1820 cmdmod.hide = TRUE;
1821 continue;
1822
1823 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1824 {
1825 cmdmod.lockmarks = TRUE;
1826 continue;
1827 }
1828
1829 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1830 break;
1831 #ifdef FEAT_WINDOWS
1832 cmdmod.split |= WSP_ABOVE;
1833 #endif
1834 continue;
1835
1836 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1837 break;
1838 #ifdef FEAT_AUTOCMD
1839 if (cmdmod.save_ei == NULL)
1840 {
1841 /* Set 'eventignore' to "all". Restore the
1842 * existing option value later. */
1843 cmdmod.save_ei = vim_strsave(p_ei);
1844 set_string_option_direct((char_u *)"ei", -1,
1845 (char_u *)"all", OPT_FREE, SID_NONE);
1846 }
1847 #endif
1848 continue;
1849
1850 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1851 break;
1852 #ifdef FEAT_WINDOWS
1853 cmdmod.split |= WSP_BELOW;
1854 #endif
1855 continue;
1856
1857 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1858 {
1859 #ifdef HAVE_SANDBOX
1860 if (!did_sandbox)
1861 ++sandbox;
1862 did_sandbox = TRUE;
1863 #endif
1864 continue;
1865 }
1866 if (!checkforcmd(&ea.cmd, "silent", 3))
1867 break;
1868 ++did_silent;
1869 ++msg_silent;
1870 save_msg_scroll = msg_scroll;
1871 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1872 {
1873 /* ":silent!", but not "silent !cmd" */
1874 ea.cmd = skipwhite(ea.cmd + 1);
1875 ++emsg_silent;
1876 ++did_esilent;
1877 }
1878 continue;
1879
1880 case 't': if (checkforcmd(&p, "tab", 3))
1881 {
1882 #ifdef FEAT_WINDOWS
1883 if (vim_isdigit(*ea.cmd))
1884 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1885 else
1886 cmdmod.tab = tabpage_index(curtab) + 1;
1887 ea.cmd = p;
1888 #endif
1889 continue;
1890 }
1891 if (!checkforcmd(&ea.cmd, "topleft", 2))
1892 break;
1893 #ifdef FEAT_WINDOWS
1894 cmdmod.split |= WSP_TOP;
1895 #endif
1896 continue;
1897
1898 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1899 {
1900 #ifdef FEAT_VERTSPLIT
1901 cmdmod.split |= WSP_VERT;
1902 #endif
1903 continue;
1904 }
1905 if (!checkforcmd(&p, "verbose", 4))
1906 break;
1907 if (verbose_save < 0)
1908 verbose_save = p_verbose;
1909 if (vim_isdigit(*ea.cmd))
1910 p_verbose = atoi((char *)ea.cmd);
1911 else
1912 p_verbose = 1;
1913 ea.cmd = p;
1914 continue;
1915 }
1916 break;
1917 }
1918
1919 #ifdef FEAT_EVAL
1920 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1921 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1922 #else
1923 ea.skip = (if_level > 0);
1924 #endif
1925
1926 #ifdef FEAT_EVAL
1927 # ifdef FEAT_PROFILE
1928 /* Count this line for profiling if ea.skip is FALSE. */
1929 if (do_profiling == PROF_YES && !ea.skip)
1930 {
1931 if (getline_equal(fgetline, cookie, get_func_line))
1932 func_line_exec(getline_cookie(fgetline, cookie));
1933 else if (getline_equal(fgetline, cookie, getsourceline))
1934 script_line_exec();
1935 }
1936 #endif
1937
1938 /* May go to debug mode. If this happens and the ">quit" debug command is
1939 * used, throw an interrupt exception and skip the next command. */
1940 dbg_check_breakpoint(&ea);
1941 if (!ea.skip && got_int)
1942 {
1943 ea.skip = TRUE;
1944 (void)do_intthrow(cstack);
1945 }
1946 #endif
1947
1948 /*
1949 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1950 *
1951 * where 'addr' is:
1952 *
1953 * % (entire file)
1954 * $ [+-NUM]
1955 * 'x [+-NUM] (where x denotes a currently defined mark)
1956 * . [+-NUM]
1957 * [+-NUM]..
1958 * NUM
1959 *
1960 * The ea.cmd pointer is updated to point to the first character following the
1961 * range spec. If an initial address is found, but no second, the upper bound
1962 * is equal to the lower.
1963 */
1964
1965 /* repeat for all ',' or ';' separated addresses */
1966 for (;;)
1967 {
1968 ea.line1 = ea.line2;
1969 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1970 ea.cmd = skipwhite(ea.cmd);
1971 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1972 if (ea.cmd == NULL) /* error detected */
1973 goto doend;
1974 if (lnum == MAXLNUM)
1975 {
1976 if (*ea.cmd == '%') /* '%' - all lines */
1977 {
1978 ++ea.cmd;
1979 ea.line1 = 1;
1980 ea.line2 = curbuf->b_ml.ml_line_count;
1981 ++ea.addr_count;
1982 }
1983 /* '*' - visual area */
1984 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1985 {
1986 pos_T *fp;
1987
1988 ++ea.cmd;
1989 if (!ea.skip)
1990 {
1991 fp = getmark('<', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line1 = fp->lnum;
1995 fp = getmark('>', FALSE);
1996 if (check_mark(fp) == FAIL)
1997 goto doend;
1998 ea.line2 = fp->lnum;
1999 ++ea.addr_count;
2000 }
2001 }
2002 }
2003 else
2004 ea.line2 = lnum;
2005 ea.addr_count++;
2006
2007 if (*ea.cmd == ';')
2008 {
2009 if (!ea.skip)
2010 curwin->w_cursor.lnum = ea.line2;
2011 }
2012 else if (*ea.cmd != ',')
2013 break;
2014 ++ea.cmd;
2015 }
2016
2017 /* One address given: set start and end lines */
2018 if (ea.addr_count == 1)
2019 {
2020 ea.line1 = ea.line2;
2021 /* ... but only implicit: really no address given */
2022 if (lnum == MAXLNUM)
2023 ea.addr_count = 0;
2024 }
2025
2026 /* Don't leave the cursor on an illegal line (caused by ';') */
2027 check_cursor_lnum();
2028
2029 /*
2030 * 4. parse command
2031 */
2032
2033 /*
2034 * Skip ':' and any white space
2035 */
2036 ea.cmd = skipwhite(ea.cmd);
2037 while (*ea.cmd == ':')
2038 ea.cmd = skipwhite(ea.cmd + 1);
2039
2040 /*
2041 * If we got a line, but no command, then go to the line.
2042 * If we find a '|' or '\n' we set ea.nextcmd.
2043 */
2044 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2045 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2046 {
2047 /*
2048 * strange vi behaviour:
2049 * ":3" jumps to line 3
2050 * ":3|..." prints line 3
2051 * ":|" prints current line
2052 */
2053 if (ea.skip) /* skip this if inside :if */
2054 goto doend;
2055 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2056 {
2057 ea.cmdidx = CMD_print;
2058 ea.argt = RANGE+COUNT+TRLBAR;
2059 if ((errormsg = invalid_range(&ea)) == NULL)
2060 {
2061 correct_range(&ea);
2062 ex_print(&ea);
2063 }
2064 }
2065 else if (ea.addr_count != 0)
2066 {
2067 if (ea.line2 > curbuf->b_ml.ml_line_count)
2068 {
2069 /* With '-' in 'cpoptions' a line number past the file is an
2070 * error, otherwise put it at the end of the file. */
2071 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2072 ea.line2 = -1;
2073 else
2074 ea.line2 = curbuf->b_ml.ml_line_count;
2075 }
2076
2077 if (ea.line2 < 0)
2078 errormsg = (char_u *)_(e_invrange);
2079 else
2080 {
2081 if (ea.line2 == 0)
2082 curwin->w_cursor.lnum = 1;
2083 else
2084 curwin->w_cursor.lnum = ea.line2;
2085 beginline(BL_SOL | BL_FIX);
2086 }
2087 }
2088 goto doend;
2089 }
2090
2091 /* Find the command and let "p" point to after it. */
2092 p = find_command(&ea, NULL);
2093
2094 #ifdef FEAT_USR_CMDS
2095 if (p == NULL)
2096 {
2097 if (!ea.skip)
2098 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2099 goto doend;
2100 }
2101 /* Check for wrong commands. */
2102 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2103 {
2104 errormsg = uc_fun_cmd();
2105 goto doend;
2106 }
2107 #endif
2108 if (ea.cmdidx == CMD_SIZE)
2109 {
2110 if (!ea.skip)
2111 {
2112 STRCPY(IObuff, _("E492: Not an editor command"));
2113 if (!sourcing)
2114 {
2115 STRCAT(IObuff, ": ");
2116 STRNCAT(IObuff, *cmdlinep, 40);
2117 }
2118 errormsg = IObuff;
2119 }
2120 goto doend;
2121 }
2122
2123 ni = (
2124 #ifdef FEAT_USR_CMDS
2125 !USER_CMDIDX(ea.cmdidx) &&
2126 #endif
2127 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2128 #ifdef HAVE_EX_SCRIPT_NI
2129 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2130 #endif
2131 ));
2132
2133 #ifndef FEAT_EVAL
2134 /*
2135 * When the expression evaluation is disabled, recognize the ":if" and
2136 * ":endif" commands and ignore everything in between it.
2137 */
2138 if (ea.cmdidx == CMD_if)
2139 ++if_level;
2140 if (if_level)
2141 {
2142 if (ea.cmdidx == CMD_endif)
2143 --if_level;
2144 goto doend;
2145 }
2146
2147 #endif
2148
2149 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
2150 {
2151 ++p;
2152 ea.forceit = TRUE;
2153 }
2154 else
2155 ea.forceit = FALSE;
2156
2157 /*
2158 * 5. parse arguments
2159 */
2160 #ifdef FEAT_USR_CMDS
2161 if (!USER_CMDIDX(ea.cmdidx))
2162 #endif
2163 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2164
2165 if (!ea.skip)
2166 {
2167 #ifdef HAVE_SANDBOX
2168 if (sandbox != 0 && !(ea.argt & SBOXOK))
2169 {
2170 /* Command not allowed in sandbox. */
2171 errormsg = (char_u *)_(e_sandbox);
2172 goto doend;
2173 }
2174 #endif
2175 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2176 {
2177 /* Command not allowed in non-'modifiable' buffer */
2178 errormsg = (char_u *)_(e_modifiable);
2179 goto doend;
2180 }
2181
2182 if (text_locked() && !(ea.argt & CMDWIN)
2183 # ifdef FEAT_USR_CMDS
2184 && !USER_CMDIDX(ea.cmdidx)
2185 # endif
2186 )
2187 {
2188 /* Command not allowed when editing the command line. */
2189 #ifdef FEAT_CMDWIN
2190 if (cmdwin_type != 0)
2191 errormsg = (char_u *)_(e_cmdwin);
2192 else
2193 #endif
2194 errormsg = (char_u *)_(e_secure);
2195 goto doend;
2196 }
2197 #ifdef FEAT_AUTOCMD
2198 /* Disallow editing another buffer when "curbuf_lock" is set.
2199 * Do allow ":edit" (check for argument later).
2200 * Do allow ":checktime" (it's postponed). */
2201 if (!(ea.argt & CMDWIN)
2202 && ea.cmdidx != CMD_edit
2203 && ea.cmdidx != CMD_checktime
2204 # ifdef FEAT_USR_CMDS
2205 && !USER_CMDIDX(ea.cmdidx)
2206 # endif
2207 && curbuf_locked())
2208 goto doend;
2209 #endif
2210
2211 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2212 {
2213 /* no range allowed */
2214 errormsg = (char_u *)_(e_norange);
2215 goto doend;
2216 }
2217 }
2218
2219 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2220 {
2221 errormsg = (char_u *)_(e_nobang);
2222 goto doend;
2223 }
2224
2225 /*
2226 * Don't complain about the range if it is not used
2227 * (could happen if line_count is accidentally set to 0).
2228 */
2229 if (!ea.skip && !ni)
2230 {
2231 /*
2232 * If the range is backwards, ask for confirmation and, if given, swap
2233 * ea.line1 & ea.line2 so it's forwards again.
2234 * When global command is busy, don't ask, will fail below.
2235 */
2236 if (!global_busy && ea.line1 > ea.line2)
2237 {
2238 if (msg_silent == 0)
2239 {
2240 if (sourcing || exmode_active)
2241 {
2242 errormsg = (char_u *)_("E493: Backwards range given");
2243 goto doend;
2244 }
2245 if (ask_yesno((char_u *)
2246 _("Backwards range given, OK to swap"), FALSE) != 'y')
2247 goto doend;
2248 }
2249 lnum = ea.line1;
2250 ea.line1 = ea.line2;
2251 ea.line2 = lnum;
2252 }
2253 if ((errormsg = invalid_range(&ea)) != NULL)
2254 goto doend;
2255 }
2256
2257 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2258 ea.line2 = 1;
2259
2260 correct_range(&ea);
2261
2262 #ifdef FEAT_FOLDING
2263 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2264 {
2265 /* Put the first line at the start of a closed fold, put the last line
2266 * at the end of a closed fold. */
2267 (void)hasFolding(ea.line1, &ea.line1, NULL);
2268 (void)hasFolding(ea.line2, NULL, &ea.line2);
2269 }
2270 #endif
2271
2272 #ifdef FEAT_QUICKFIX
2273 /*
2274 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2275 * option here, so things like % get expanded.
2276 */
2277 p = replace_makeprg(&ea, p, cmdlinep);
2278 if (p == NULL)
2279 goto doend;
2280 #endif
2281
2282 /*
2283 * Skip to start of argument.
2284 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2285 */
2286 if (ea.cmdidx == CMD_bang)
2287 ea.arg = p;
2288 else
2289 ea.arg = skipwhite(p);
2290
2291 /*
2292 * Check for "++opt=val" argument.
2293 * Must be first, allow ":w ++enc=utf8 !cmd"
2294 */
2295 if (ea.argt & ARGOPT)
2296 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2297 if (getargopt(&ea) == FAIL && !ni)
2298 {
2299 errormsg = (char_u *)_(e_invarg);
2300 goto doend;
2301 }
2302
2303 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2304 {
2305 if (*ea.arg == '>') /* append */
2306 {
2307 if (*++ea.arg != '>') /* typed wrong */
2308 {
2309 errormsg = (char_u *)_("E494: Use w or w>>");
2310 goto doend;
2311 }
2312 ea.arg = skipwhite(ea.arg + 1);
2313 ea.append = TRUE;
2314 }
2315 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2316 {
2317 ++ea.arg;
2318 ea.usefilter = TRUE;
2319 }
2320 }
2321
2322 if (ea.cmdidx == CMD_read)
2323 {
2324 if (ea.forceit)
2325 {
2326 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2327 ea.forceit = FALSE;
2328 }
2329 else if (*ea.arg == '!') /* :r !filter */
2330 {
2331 ++ea.arg;
2332 ea.usefilter = TRUE;
2333 }
2334 }
2335
2336 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2337 {
2338 ea.amount = 1;
2339 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2340 {
2341 ++ea.arg;
2342 ++ea.amount;
2343 }
2344 ea.arg = skipwhite(ea.arg);
2345 }
2346
2347 /*
2348 * Check for "+command" argument, before checking for next command.
2349 * Don't do this for ":read !cmd" and ":write !cmd".
2350 */
2351 if ((ea.argt & EDITCMD) && !ea.usefilter)
2352 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2353
2354 /*
2355 * Check for '|' to separate commands and '"' to start comments.
2356 * Don't do this for ":read !cmd" and ":write !cmd".
2357 */
2358 if ((ea.argt & TRLBAR) && !ea.usefilter)
2359 separate_nextcmd(&ea);
2360
2361 /*
2362 * Check for <newline> to end a shell command.
2363 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2364 * Any others?
2365 */
2366 else if (ea.cmdidx == CMD_bang
2367 || ea.cmdidx == CMD_global
2368 || ea.cmdidx == CMD_vglobal
2369 || ea.usefilter)
2370 {
2371 for (p = ea.arg; *p; ++p)
2372 {
2373 /* Remove one backslash before a newline, so that it's possible to
2374 * pass a newline to the shell and also a newline that is preceded
2375 * with a backslash. This makes it impossible to end a shell
2376 * command in a backslash, but that doesn't appear useful.
2377 * Halving the number of backslashes is incompatible with previous
2378 * versions. */
2379 if (*p == '\\' && p[1] == '\n')
2380 mch_memmove(p, p + 1, STRLEN(p));
2381 else if (*p == '\n')
2382 {
2383 ea.nextcmd = p + 1;
2384 *p = NUL;
2385 break;
2386 }
2387 }
2388 }
2389
2390 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2391 {
2392 ea.line1 = 1;
2393 ea.line2 = curbuf->b_ml.ml_line_count;
2394 }
2395
2396 /* accept numbered register only when no count allowed (:put) */
2397 if ( (ea.argt & REGSTR)
2398 && *ea.arg != NUL
2399 #ifdef FEAT_USR_CMDS
2400 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2401 && USER_CMDIDX(ea.cmdidx)))
2402 /* Do not allow register = for user commands */
2403 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2404 #else
2405 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2406 #endif
2407 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2408 {
2409 ea.regname = *ea.arg++;
2410 #ifdef FEAT_EVAL
2411 /* for '=' register: accept the rest of the line as an expression */
2412 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2413 {
2414 set_expr_line(vim_strsave(ea.arg));
2415 ea.arg += STRLEN(ea.arg);
2416 }
2417 #endif
2418 ea.arg = skipwhite(ea.arg);
2419 }
2420
2421 /*
2422 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2423 * count, it's a buffer name.
2424 */
2425 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2426 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2427 || vim_iswhite(*p)))
2428 {
2429 n = getdigits(&ea.arg);
2430 ea.arg = skipwhite(ea.arg);
2431 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2432 {
2433 errormsg = (char_u *)_(e_zerocount);
2434 goto doend;
2435 }
2436 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2437 {
2438 ea.line2 = n;
2439 if (ea.addr_count == 0)
2440 ea.addr_count = 1;
2441 }
2442 else
2443 {
2444 ea.line1 = ea.line2;
2445 ea.line2 += n - 1;
2446 ++ea.addr_count;
2447 /*
2448 * Be vi compatible: no error message for out of range.
2449 */
2450 if (ea.line2 > curbuf->b_ml.ml_line_count)
2451 ea.line2 = curbuf->b_ml.ml_line_count;
2452 }
2453 }
2454
2455 /*
2456 * Check for flags: 'l', 'p' and '#'.
2457 */
2458 if (ea.argt & EXFLAGS)
2459 get_flags(&ea);
2460 /* no arguments allowed */
2461 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2462 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2463 {
2464 errormsg = (char_u *)_(e_trailing);
2465 goto doend;
2466 }
2467
2468 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2469 {
2470 errormsg = (char_u *)_(e_argreq);
2471 goto doend;
2472 }
2473
2474 #ifdef FEAT_EVAL
2475 /*
2476 * Skip the command when it's not going to be executed.
2477 * The commands like :if, :endif, etc. always need to be executed.
2478 * Also make an exception for commands that handle a trailing command
2479 * themselves.
2480 */
2481 if (ea.skip)
2482 {
2483 switch (ea.cmdidx)
2484 {
2485 /* commands that need evaluation */
2486 case CMD_while:
2487 case CMD_endwhile:
2488 case CMD_for:
2489 case CMD_endfor:
2490 case CMD_if:
2491 case CMD_elseif:
2492 case CMD_else:
2493 case CMD_endif:
2494 case CMD_try:
2495 case CMD_catch:
2496 case CMD_finally:
2497 case CMD_endtry:
2498 case CMD_function:
2499 break;
2500
2501 /* Commands that handle '|' themselves. Check: A command should
2502 * either have the TRLBAR flag, appear in this list or appear in
2503 * the list at ":help :bar". */
2504 case CMD_aboveleft:
2505 case CMD_and:
2506 case CMD_belowright:
2507 case CMD_botright:
2508 case CMD_browse:
2509 case CMD_call:
2510 case CMD_confirm:
2511 case CMD_delfunction:
2512 case CMD_djump:
2513 case CMD_dlist:
2514 case CMD_dsearch:
2515 case CMD_dsplit:
2516 case CMD_echo:
2517 case CMD_echoerr:
2518 case CMD_echomsg:
2519 case CMD_echon:
2520 case CMD_execute:
2521 case CMD_help:
2522 case CMD_hide:
2523 case CMD_ijump:
2524 case CMD_ilist:
2525 case CMD_isearch:
2526 case CMD_isplit:
2527 case CMD_keepalt:
2528 case CMD_keepjumps:
2529 case CMD_keepmarks:
2530 case CMD_leftabove:
2531 case CMD_let:
2532 case CMD_lockmarks:
2533 case CMD_match:
2534 case CMD_mzscheme:
2535 case CMD_perl:
2536 case CMD_psearch:
2537 case CMD_python:
2538 case CMD_return:
2539 case CMD_rightbelow:
2540 case CMD_ruby:
2541 case CMD_silent:
2542 case CMD_smagic:
2543 case CMD_snomagic:
2544 case CMD_substitute:
2545 case CMD_syntax:
2546 case CMD_tab:
2547 case CMD_tcl:
2548 case CMD_throw:
2549 case CMD_tilde:
2550 case CMD_topleft:
2551 case CMD_unlet:
2552 case CMD_verbose:
2553 case CMD_vertical:
2554 break;
2555
2556 default: goto doend;
2557 }
2558 }
2559 #endif
2560
2561 if (ea.argt & XFILE)
2562 {
2563 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2564 goto doend;
2565 }
2566
2567 #ifdef FEAT_LISTCMDS
2568 /*
2569 * Accept buffer name. Cannot be used at the same time with a buffer
2570 * number. Don't do this for a user command.
2571 */
2572 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2573 # ifdef FEAT_USR_CMDS
2574 && !USER_CMDIDX(ea.cmdidx)
2575 # endif
2576 )
2577 {
2578 /*
2579 * :bdelete, :bwipeout and :bunload take several arguments, separated
2580 * by spaces: find next space (skipping over escaped characters).
2581 * The others take one argument: ignore trailing spaces.
2582 */
2583 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2584 || ea.cmdidx == CMD_bunload)
2585 p = skiptowhite_esc(ea.arg);
2586 else
2587 {
2588 p = ea.arg + STRLEN(ea.arg);
2589 while (p > ea.arg && vim_iswhite(p[-1]))
2590 --p;
2591 }
2592 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2593 if (ea.line2 < 0) /* failed */
2594 goto doend;
2595 ea.addr_count = 1;
2596 ea.arg = skipwhite(p);
2597 }
2598 #endif
2599
2600 /*
2601 * 6. switch on command name
2602 *
2603 * The "ea" structure holds the arguments that can be used.
2604 */
2605 ea.cmdlinep = cmdlinep;
2606 ea.getline = fgetline;
2607 ea.cookie = cookie;
2608 #ifdef FEAT_EVAL
2609 ea.cstack = cstack;
2610 #endif
2611
2612 #ifdef FEAT_USR_CMDS
2613 if (USER_CMDIDX(ea.cmdidx))
2614 {
2615 /*
2616 * Execute a user-defined command.
2617 */
2618 do_ucmd(&ea);
2619 }
2620 else
2621 #endif
2622 {
2623 /*
2624 * Call the function to execute the command.
2625 */
2626 ea.errmsg = NULL;
2627 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2628 if (ea.errmsg != NULL)
2629 errormsg = (char_u *)_(ea.errmsg);
2630 }
2631
2632 #ifdef FEAT_EVAL
2633 /*
2634 * If the command just executed called do_cmdline(), any throw or ":return"
2635 * or ":finish" encountered there must also check the cstack of the still
2636 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2637 * exception, or reanimate a returned function or finished script file and
2638 * return or finish it again.
2639 */
2640 if (need_rethrow)
2641 do_throw(cstack);
2642 else if (check_cstack)
2643 {
2644 if (source_finished(fgetline, cookie))
2645 do_finish(&ea, TRUE);
2646 else if (getline_equal(fgetline, cookie, get_func_line)
2647 && current_func_returned())
2648 do_return(&ea, TRUE, FALSE, NULL);
2649 }
2650 need_rethrow = check_cstack = FALSE;
2651 #endif
2652
2653 doend:
2654 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2655 curwin->w_cursor.lnum = 1;
2656
2657 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2658 {
2659 if (sourcing)
2660 {
2661 if (errormsg != IObuff)
2662 {
2663 STRCPY(IObuff, errormsg);
2664 errormsg = IObuff;
2665 }
2666 STRCAT(errormsg, ": ");
2667 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff));
2668 }
2669 emsg(errormsg);
2670 }
2671 #ifdef FEAT_EVAL
2672 do_errthrow(cstack,
2673 (ea.cmdidx != CMD_SIZE
2674 # ifdef FEAT_USR_CMDS
2675 && !USER_CMDIDX(ea.cmdidx)
2676 # endif
2677 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2678 #endif
2679
2680 if (verbose_save >= 0)
2681 p_verbose = verbose_save;
2682 #ifdef FEAT_AUTOCMD
2683 if (cmdmod.save_ei != NULL)
2684 {
2685 /* Restore 'eventignore' to the value before ":noautocmd". */
2686 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2687 OPT_FREE, SID_NONE);
2688 free_string_option(cmdmod.save_ei);
2689 }
2690 #endif
2691
2692 cmdmod = save_cmdmod;
2693
2694 if (did_silent > 0)
2695 {
2696 /* messages could be enabled for a serious error, need to check if the
2697 * counters don't become negative */
2698 msg_silent -= did_silent;
2699 if (msg_silent < 0)
2700 msg_silent = 0;
2701 emsg_silent -= did_esilent;
2702 if (emsg_silent < 0)
2703 emsg_silent = 0;
2704 /* Restore msg_scroll, it's set by file I/O commands, even when no
2705 * message is actually displayed. */
2706 msg_scroll = save_msg_scroll;
2707 }
2708
2709 #ifdef HAVE_SANDBOX
2710 if (did_sandbox)
2711 --sandbox;
2712 #endif
2713
2714 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2715 ea.nextcmd = NULL;
2716
2717 #ifdef FEAT_EVAL
2718 --ex_nesting_level;
2719 #endif
2720
2721 return ea.nextcmd;
2722 }
2723 #if (_MSC_VER == 1200)
2724 #pragma optimize( "", on )
2725 #endif
2726
2727 /*
2728 * Check for an Ex command with optional tail.
2729 * If there is a match advance "pp" to the argument and return TRUE.
2730 */
2731 int
2732 checkforcmd(pp, cmd, len)
2733 char_u **pp; /* start of command */
2734 char *cmd; /* name of command */
2735 int len; /* required length */
2736 {
2737 int i;
2738
2739 for (i = 0; cmd[i] != NUL; ++i)
2740 if (cmd[i] != (*pp)[i])
2741 break;
2742 if (i >= len && !isalpha((*pp)[i]))
2743 {
2744 *pp = skipwhite(*pp + i);
2745 return TRUE;
2746 }
2747 return FALSE;
2748 }
2749
2750 /*
2751 * Find an Ex command by its name, either built-in or user.
2752 * Start of the name can be found at eap->cmd.
2753 * Returns pointer to char after the command name.
2754 * "full" is set to TRUE if the whole command name matched.
2755 * Returns NULL for an ambiguous user command.
2756 */
2757 /*ARGSUSED*/
2758 static char_u *
2759 find_command(eap, full)
2760 exarg_T *eap;
2761 int *full;
2762 {
2763 int len;
2764 char_u *p;
2765 int i;
2766
2767 /*
2768 * Isolate the command and search for it in the command table.
2769 * Exeptions:
2770 * - the 'k' command can directly be followed by any character.
2771 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2772 * but :sre[wind] is another command, as are :scrip[tnames],
2773 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2774 * - the "d" command can directly be followed by 'l' or 'p' flag.
2775 */
2776 p = eap->cmd;
2777 if (*p == 'k')
2778 {
2779 eap->cmdidx = CMD_k;
2780 ++p;
2781 }
2782 else if (p[0] == 's'
2783 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2784 && p[3] != 'i' && p[4] != 'p')
2785 || p[1] == 'g'
2786 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2787 || p[1] == 'I'
2788 || (p[1] == 'r' && p[2] != 'e')))
2789 {
2790 eap->cmdidx = CMD_substitute;
2791 ++p;
2792 }
2793 else
2794 {
2795 while (ASCII_ISALPHA(*p))
2796 ++p;
2797 /* check for non-alpha command */
2798 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2799 ++p;
2800 len = (int)(p - eap->cmd);
2801 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2802 {
2803 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2804 * :delete with the 'l' flag. Same for 'p'. */
2805 for (i = 0; i < len; ++i)
2806 if (eap->cmd[i] != "delete"[i])
2807 break;
2808 if (i == len - 1)
2809 {
2810 --len;
2811 if (p[-1] == 'l')
2812 eap->flags |= EXFLAG_LIST;
2813 else
2814 eap->flags |= EXFLAG_PRINT;
2815 }
2816 }
2817
2818 if (ASCII_ISLOWER(*eap->cmd))
2819 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2820 else
2821 eap->cmdidx = cmdidxs[26];
2822
2823 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2824 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2825 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2826 (size_t)len) == 0)
2827 {
2828 #ifdef FEAT_EVAL
2829 if (full != NULL
2830 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2831 *full = TRUE;
2832 #endif
2833 break;
2834 }
2835
2836 #ifdef FEAT_USR_CMDS
2837 /* Look for a user defined command as a last resort */
2838 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2839 {
2840 /* User defined commands may contain digits. */
2841 while (ASCII_ISALNUM(*p))
2842 ++p;
2843 p = find_ucmd(eap, p, full, NULL, NULL);
2844 }
2845 #endif
2846 if (p == eap->cmd)
2847 eap->cmdidx = CMD_SIZE;
2848 }
2849
2850 return p;
2851 }
2852
2853 #ifdef FEAT_USR_CMDS
2854 /*
2855 * Search for a user command that matches "eap->cmd".
2856 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2857 * Return a pointer to just after the command.
2858 * Return NULL if there is no matching command.
2859 */
2860 static char_u *
2861 find_ucmd(eap, p, full, xp, compl)
2862 exarg_T *eap;
2863 char_u *p; /* end of the command (possibly including count) */
2864 int *full; /* set to TRUE for a full match */
2865 expand_T *xp; /* used for completion, NULL otherwise */
2866 int *compl; /* completion flags or NULL */
2867 {
2868 int len = (int)(p - eap->cmd);
2869 int j, k, matchlen = 0;
2870 ucmd_T *uc;
2871 int found = FALSE;
2872 int possible = FALSE;
2873 char_u *cp, *np; /* Point into typed cmd and test name */
2874 garray_T *gap;
2875 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2876 only full match global is accepted. */
2877
2878 /*
2879 * Look for buffer-local user commands first, then global ones.
2880 */
2881 gap = &curbuf->b_ucmds;
2882 for (;;)
2883 {
2884 for (j = 0; j < gap->ga_len; ++j)
2885 {
2886 uc = USER_CMD_GA(gap, j);
2887 cp = eap->cmd;
2888 np = uc->uc_name;
2889 k = 0;
2890 while (k < len && *np != NUL && *cp++ == *np++)
2891 k++;
2892 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2893 {
2894 /* If finding a second match, the command is ambiguous. But
2895 * not if a buffer-local command wasn't a full match and a
2896 * global command is a full match. */
2897 if (k == len && found && *np != NUL)
2898 {
2899 if (gap == &ucmds)
2900 return NULL;
2901 amb_local = TRUE;
2902 }
2903
2904 if (!found || (k == len && *np == NUL))
2905 {
2906 /* If we matched up to a digit, then there could
2907 * be another command including the digit that we
2908 * should use instead.
2909 */
2910 if (k == len)
2911 found = TRUE;
2912 else
2913 possible = TRUE;
2914
2915 if (gap == &ucmds)
2916 eap->cmdidx = CMD_USER;
2917 else
2918 eap->cmdidx = CMD_USER_BUF;
2919 eap->argt = (long)uc->uc_argt;
2920 eap->useridx = j;
2921
2922 # ifdef FEAT_CMDL_COMPL
2923 if (compl != NULL)
2924 *compl = uc->uc_compl;
2925 # ifdef FEAT_EVAL
2926 if (xp != NULL)
2927 {
2928 xp->xp_arg = uc->uc_compl_arg;
2929 xp->xp_scriptID = uc->uc_scriptID;
2930 }
2931 # endif
2932 # endif
2933 /* Do not search for further abbreviations
2934 * if this is an exact match. */
2935 matchlen = k;
2936 if (k == len && *np == NUL)
2937 {
2938 if (full != NULL)
2939 *full = TRUE;
2940 amb_local = FALSE;
2941 break;
2942 }
2943 }
2944 }
2945 }
2946
2947 /* Stop if we found a full match or searched all. */
2948 if (j < gap->ga_len || gap == &ucmds)
2949 break;
2950 gap = &ucmds;
2951 }
2952
2953 /* Only found ambiguous matches. */
2954 if (amb_local)
2955 {
2956 if (xp != NULL)
2957 xp->xp_context = EXPAND_UNSUCCESSFUL;
2958 return NULL;
2959 }
2960
2961 /* The match we found may be followed immediately by a number. Move "p"
2962 * back to point to it. */
2963 if (found || possible)
2964 return p + (matchlen - len);
2965 return p;
2966 }
2967 #endif
2968
2969 #if defined(FEAT_EVAL) || defined(PROTO)
2970 /*
2971 * Return > 0 if an Ex command "name" exists.
2972 * Return 2 if there is an exact match.
2973 * Return 3 if there is an ambiguous match.
2974 */
2975 int
2976 cmd_exists(name)
2977 char_u *name;
2978 {
2979 exarg_T ea;
2980 int full = FALSE;
2981 int i;
2982 int j;
2983 char_u *p;
2984 static struct cmdmod
2985 {
2986 char *name;
2987 int minlen;
2988 } cmdmods[] = {
2989 {"aboveleft", 3},
2990 {"belowright", 3},
2991 {"botright", 2},
2992 {"browse", 3},
2993 {"confirm", 4},
2994 {"hide", 3},
2995 {"keepalt", 5},
2996 {"keepjumps", 5},
2997 {"keepmarks", 3},
2998 {"leftabove", 5},
2999 {"lockmarks", 3},
3000 {"rightbelow", 6},
3001 {"sandbox", 3},
3002 {"silent", 3},
3003 {"tab", 3},
3004 {"topleft", 2},
3005 {"verbose", 4},
3006 {"vertical", 4},
3007 };
3008
3009 /* Check command modifiers. */
3010 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3011 {
3012 for (j = 0; name[j] != NUL; ++j)
3013 if (name[j] != cmdmods[i].name[j])
3014 break;
3015 if (name[j] == NUL && j >= cmdmods[i].minlen)
3016 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3017 }
3018
3019 /* Check built-in commands and user defined commands.
3020 * For ":2match" and ":3match" we need to skip the number. */
3021 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3022 ea.cmdidx = (cmdidx_T)0;
3023 p = find_command(&ea, &full);
3024 if (p == NULL)
3025 return 3;
3026 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3027 return 0;
3028 if (*skipwhite(p) != NUL)
3029 return 0; /* trailing garbage */
3030 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3031 }
3032 #endif
3033
3034 /*
3035 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3036 * we don't need/want deleted. Maybe this could be done better if we didn't
3037 * repeat all this stuff. The only problem is that they may not stay
3038 * perfectly compatible with each other, but then the command line syntax
3039 * probably won't change that much -- webb.
3040 */
3041 char_u *
3042 set_one_cmd_context(xp, buff)
3043 expand_T *xp;
3044 char_u *buff; /* buffer for command string */
3045 {
3046 char_u *p;
3047 char_u *cmd, *arg;
3048 int len = 0;
3049 exarg_T ea;
3050 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3051 int compl = EXPAND_NOTHING;
3052 #endif
3053 #ifdef FEAT_CMDL_COMPL
3054 int delim;
3055 #endif
3056 int forceit = FALSE;
3057 int usefilter = FALSE; /* filter instead of file name */
3058
3059 ExpandInit(xp);
3060 xp->xp_pattern = buff;
3061 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3062 ea.argt = 0;
3063
3064 /*
3065 * 2. skip comment lines and leading space, colons or bars
3066 */
3067 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3068 ;
3069 xp->xp_pattern = cmd;
3070
3071 if (*cmd == NUL)
3072 return NULL;
3073 if (*cmd == '"') /* ignore comment lines */
3074 {
3075 xp->xp_context = EXPAND_NOTHING;
3076 return NULL;
3077 }
3078
3079 /*
3080 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3081 */
3082 cmd = skip_range(cmd, &xp->xp_context);
3083
3084 /*
3085 * 4. parse command
3086 */
3087 xp->xp_pattern = cmd;
3088 if (*cmd == NUL)
3089 return NULL;
3090 if (*cmd == '"')
3091 {
3092 xp->xp_context = EXPAND_NOTHING;
3093 return NULL;
3094 }
3095
3096 if (*cmd == '|' || *cmd == '\n')
3097 return cmd + 1; /* There's another command */
3098
3099 /*
3100 * Isolate the command and search for it in the command table.
3101 * Exceptions:
3102 * - the 'k' command can directly be followed by any character, but
3103 * do accept "keepmarks", "keepalt" and "keepjumps".
3104 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3105 */
3106 if (*cmd == 'k' && cmd[1] != 'e')
3107 {
3108 ea.cmdidx = CMD_k;
3109 p = cmd + 1;
3110 }
3111 else
3112 {
3113 p = cmd;
3114 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3115 ++p;
3116 /* check for non-alpha command */
3117 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3118 ++p;
3119 len = (int)(p - cmd);
3120
3121 if (len == 0)
3122 {
3123 xp->xp_context = EXPAND_UNSUCCESSFUL;
3124 return NULL;
3125 }
3126 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3127 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3128 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3129 break;
3130
3131 #ifdef FEAT_USR_CMDS
3132 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3133 {
3134 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3135 ++p;
3136 len = (int)(p - cmd);
3137 }
3138 #endif
3139 }
3140
3141 /*
3142 * If the cursor is touching the command, and it ends in an alpha-numeric
3143 * character, complete the command name.
3144 */
3145 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3146 return NULL;
3147
3148 if (ea.cmdidx == CMD_SIZE)
3149 {
3150 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3151 {
3152 ea.cmdidx = CMD_substitute;
3153 p = cmd + 1;
3154 }
3155 #ifdef FEAT_USR_CMDS
3156 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3157 {
3158 ea.cmd = cmd;
3159 p = find_ucmd(&ea, p, NULL, xp,
3160 # if defined(FEAT_CMDL_COMPL)
3161 &compl
3162 # else
3163 NULL
3164 # endif
3165 );
3166 if (p == NULL)
3167 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3168 }
3169 #endif
3170 }
3171 if (ea.cmdidx == CMD_SIZE)
3172 {
3173 /* Not still touching the command and it was an illegal one */
3174 xp->xp_context = EXPAND_UNSUCCESSFUL;
3175 return NULL;
3176 }
3177
3178 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3179
3180 if (*p == '!') /* forced commands */
3181 {
3182 forceit = TRUE;
3183 ++p;
3184 }
3185
3186 /*
3187 * 5. parse arguments
3188 */
3189 #ifdef FEAT_USR_CMDS
3190 if (!USER_CMDIDX(ea.cmdidx))
3191 #endif
3192 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3193
3194 arg = skipwhite(p);
3195
3196 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3197 {
3198 if (*arg == '>') /* append */
3199 {
3200 if (*++arg == '>')
3201 ++arg;
3202 arg = skipwhite(arg);
3203 }
3204 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3205 {
3206 ++arg;
3207 usefilter = TRUE;
3208 }
3209 }
3210
3211 if (ea.cmdidx == CMD_read)
3212 {
3213 usefilter = forceit; /* :r! filter if forced */
3214 if (*arg == '!') /* :r !filter */
3215 {
3216 ++arg;
3217 usefilter = TRUE;
3218 }
3219 }
3220
3221 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3222 {
3223 while (*arg == *cmd) /* allow any number of '>' or '<' */
3224 ++arg;
3225 arg = skipwhite(arg);
3226 }
3227
3228 /* Does command allow "+command"? */
3229 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3230 {
3231 /* Check if we're in the +command */
3232 p = arg + 1;
3233 arg = skip_cmd_arg(arg, FALSE);
3234
3235 /* Still touching the command after '+'? */
3236 if (*arg == NUL)
3237 return p;
3238
3239 /* Skip space(s) after +command to get to the real argument */
3240 arg = skipwhite(arg);
3241 }
3242
3243 /*
3244 * Check for '|' to separate commands and '"' to start comments.
3245 * Don't do this for ":read !cmd" and ":write !cmd".
3246 */
3247 if ((ea.argt & TRLBAR) && !usefilter)
3248 {
3249 p = arg;
3250 /* ":redir @" is not the start of a comment */
3251 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3252 p += 2;
3253 while (*p)
3254 {
3255 if (*p == Ctrl_V)
3256 {
3257 if (p[1] != NUL)
3258 ++p;
3259 }
3260 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3261 || *p == '|' || *p == '\n')
3262 {
3263 if (*(p - 1) != '\\')
3264 {
3265 if (*p == '|' || *p == '\n')
3266 return p + 1;
3267 return NULL; /* It's a comment */
3268 }
3269 }
3270 mb_ptr_adv(p);
3271 }
3272 }
3273
3274 /* no arguments allowed */
3275 if (!(ea.argt & EXTRA) && *arg != NUL &&
3276 vim_strchr((char_u *)"|\"", *arg) == NULL)
3277 return NULL;
3278
3279 /* Find start of last argument (argument just before cursor): */
3280 p = buff + STRLEN(buff);
3281 while (p != arg && *p != ' ' && *p != TAB)
3282 p--;
3283 if (*p == ' ' || *p == TAB)
3284 p++;
3285 xp->xp_pattern = p;
3286
3287 if (ea.argt & XFILE)
3288 {
3289 int c;
3290 int in_quote = FALSE;
3291 char_u *bow = NULL; /* Beginning of word */
3292
3293 /*
3294 * Allow spaces within back-quotes to count as part of the argument
3295 * being expanded.
3296 */
3297 xp->xp_pattern = skipwhite(arg);
3298 p = xp->xp_pattern;
3299 while (*p != NUL)
3300 {
3301 #ifdef FEAT_MBYTE
3302 if (has_mbyte)
3303 c = mb_ptr2char(p);
3304 else
3305 #endif
3306 c = *p;
3307 if (c == '\\' && p[1] != NUL)
3308 ++p;
3309 else if (c == '`')
3310 {
3311 if (!in_quote)
3312 {
3313 xp->xp_pattern = p;
3314 bow = p + 1;
3315 }
3316 in_quote = !in_quote;
3317 }
3318 #ifdef SPACE_IN_FILENAME
3319 else if (!vim_isfilec_or_wc(c)
3320 && (!(ea.argt & NOSPC) || usefilter))
3321 #else
3322 else if (!vim_isfilec_or_wc(c))
3323 #endif
3324 {
3325 while (*p != NUL)
3326 {
3327 #ifdef FEAT_MBYTE
3328 if (has_mbyte)
3329 c = mb_ptr2char(p);
3330 else
3331 #endif
3332 c = *p;
3333 if (c == '`' || vim_isfilec_or_wc(c))
3334 break;
3335 #ifdef FEAT_MBYTE
3336 if (has_mbyte)
3337 len = (*mb_ptr2len)(p);
3338 else
3339 #endif
3340 len = 1;
3341 mb_ptr_adv(p);
3342 }
3343 if (in_quote)
3344 bow = p;
3345 else
3346 xp->xp_pattern = p;
3347 p -= len;
3348 }
3349 mb_ptr_adv(p);
3350 }
3351
3352 /*
3353 * If we are still inside the quotes, and we passed a space, just
3354 * expand from there.
3355 */
3356 if (bow != NULL && in_quote)
3357 xp->xp_pattern = bow;
3358 xp->xp_context = EXPAND_FILES;
3359
3360 #ifndef BACKSLASH_IN_FILENAME
3361 /* For a shell command more chars need to be escaped. */
3362 if (usefilter || ea.cmdidx == CMD_bang)
3363 {
3364 xp->xp_shell = TRUE;
3365
3366 /* When still after the command name expand executables. */
3367 if (xp->xp_pattern == skipwhite(arg))
3368 xp->xp_context = EXPAND_SHELLCMD;
3369 }
3370 #endif
3371
3372 /* Check for environment variable */
3373 if (*xp->xp_pattern == '$'
3374 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3375 || *xp->xp_pattern == '%'
3376 #endif
3377 )
3378 {
3379 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3380 if (!vim_isIDc(*p))
3381 break;
3382 if (*p == NUL)
3383 {
3384 xp->xp_context = EXPAND_ENV_VARS;
3385 ++xp->xp_pattern;
3386 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3387 /* Avoid that the assignment uses EXPAND_FILES again. */
3388 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3389 compl = EXPAND_ENV_VARS;
3390 #endif
3391 }
3392 }
3393 }
3394
3395 /*
3396 * 6. switch on command name
3397 */
3398 switch (ea.cmdidx)
3399 {
3400 case CMD_cd:
3401 case CMD_chdir:
3402 case CMD_lcd:
3403 case CMD_lchdir:
3404 if (xp->xp_context == EXPAND_FILES)
3405 xp->xp_context = EXPAND_DIRECTORIES;
3406 break;
3407 case CMD_help:
3408 xp->xp_context = EXPAND_HELP;
3409 xp->xp_pattern = arg;
3410 break;
3411
3412 /* Command modifiers: return the argument.
3413 * Also for commands with an argument that is a command. */
3414 case CMD_aboveleft:
3415 case CMD_argdo:
3416 case CMD_belowright:
3417 case CMD_botright:
3418 case CMD_browse:
3419 case CMD_bufdo:
3420 case CMD_confirm:
3421 case CMD_debug:
3422 case CMD_folddoclosed:
3423 case CMD_folddoopen:
3424 case CMD_hide:
3425 case CMD_keepalt:
3426 case CMD_keepjumps:
3427 case CMD_keepmarks:
3428 case CMD_leftabove:
3429 case CMD_lockmarks:
3430 case CMD_rightbelow:
3431 case CMD_sandbox:
3432 case CMD_silent:
3433 case CMD_tab:
3434 case CMD_topleft:
3435 case CMD_verbose:
3436 case CMD_vertical:
3437 case CMD_windo:
3438 return arg;
3439
3440 #ifdef FEAT_CMDL_COMPL
3441 # ifdef FEAT_SEARCH_EXTRA
3442 case CMD_match:
3443 if (*arg == NUL || !ends_excmd(*arg))
3444 {
3445 /* also complete "None" */
3446 set_context_in_echohl_cmd(xp, arg);
3447 arg = skipwhite(skiptowhite(arg));
3448 if (*arg != NUL)
3449 {
3450 xp->xp_context = EXPAND_NOTHING;
3451 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3452 }
3453 }
3454 return find_nextcmd(arg);
3455 # endif
3456
3457 /*
3458 * All completion for the +cmdline_compl feature goes here.
3459 */
3460
3461 # ifdef FEAT_USR_CMDS
3462 case CMD_command:
3463 /* Check for attributes */
3464 while (*arg == '-')
3465 {
3466 arg++; /* Skip "-" */
3467 p = skiptowhite(arg);
3468 if (*p == NUL)
3469 {
3470 /* Cursor is still in the attribute */
3471 p = vim_strchr(arg, '=');
3472 if (p == NULL)
3473 {
3474 /* No "=", so complete attribute names */
3475 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3476 xp->xp_pattern = arg;
3477 return NULL;
3478 }
3479
3480 /* For the -complete and -nargs attributes, we complete
3481 * their arguments as well.
3482 */
3483 if (STRNICMP(arg, "complete", p - arg) == 0)
3484 {
3485 xp->xp_context = EXPAND_USER_COMPLETE;
3486 xp->xp_pattern = p + 1;
3487 return NULL;
3488 }
3489 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3490 {
3491 xp->xp_context = EXPAND_USER_NARGS;
3492 xp->xp_pattern = p + 1;
3493 return NULL;
3494 }
3495 return NULL;
3496 }
3497 arg = skipwhite(p);
3498 }
3499
3500 /* After the attributes comes the new command name */
3501 p = skiptowhite(arg);
3502 if (*p == NUL)
3503 {
3504 xp->xp_context = EXPAND_USER_COMMANDS;
3505 xp->xp_pattern = arg;
3506 break;
3507 }
3508
3509 /* And finally comes a normal command */
3510 return skipwhite(p);
3511
3512 case CMD_delcommand:
3513 xp->xp_context = EXPAND_USER_COMMANDS;
3514 xp->xp_pattern = arg;
3515 break;
3516 # endif
3517
3518 case CMD_global:
3519 case CMD_vglobal:
3520 delim = *arg; /* get the delimiter */
3521 if (delim)
3522 ++arg; /* skip delimiter if there is one */
3523
3524 while (arg[0] != NUL && arg[0] != delim)
3525 {
3526 if (arg[0] == '\\' && arg[1] != NUL)
3527 ++arg;
3528 ++arg;
3529 }
3530 if (arg[0] != NUL)
3531 return arg + 1;
3532 break;
3533 case CMD_and:
3534 case CMD_substitute:
3535 delim = *arg;
3536 if (delim)
3537 {
3538 /* skip "from" part */
3539 ++arg;
3540 arg = skip_regexp(arg, delim, p_magic, NULL);
3541 }
3542 /* skip "to" part */
3543 while (arg[0] != NUL && arg[0] != delim)
3544 {
3545 if (arg[0] == '\\' && arg[1] != NUL)
3546 ++arg;
3547 ++arg;
3548 }
3549 if (arg[0] != NUL) /* skip delimiter */
3550 ++arg;
3551 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3552 ++arg;
3553 if (arg[0] != NUL)
3554 return arg;
3555 break;
3556 case CMD_isearch:
3557 case CMD_dsearch:
3558 case CMD_ilist:
3559 case CMD_dlist:
3560 case CMD_ijump:
3561 case CMD_psearch:
3562 case CMD_djump:
3563 case CMD_isplit:
3564 case CMD_dsplit:
3565 arg = skipwhite(skipdigits(arg)); /* skip count */
3566 if (*arg == '/') /* Match regexp, not just whole words */
3567 {
3568 for (++arg; *arg && *arg != '/'; arg++)
3569 if (*arg == '\\' && arg[1] != NUL)
3570 arg++;
3571 if (*arg)
3572 {
3573 arg = skipwhite(arg + 1);
3574
3575 /* Check for trailing illegal characters */
3576 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3577 xp->xp_context = EXPAND_NOTHING;
3578 else
3579 return arg;
3580 }
3581 }
3582 break;
3583 #ifdef FEAT_AUTOCMD
3584 case CMD_autocmd:
3585 return set_context_in_autocmd(xp, arg, FALSE);
3586
3587 case CMD_doautocmd:
3588 return set_context_in_autocmd(xp, arg, TRUE);
3589 #endif
3590 case CMD_set:
3591 set_context_in_set_cmd(xp, arg, 0);
3592 break;
3593 case CMD_setglobal:
3594 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3595 break;
3596 case CMD_setlocal:
3597 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3598 break;
3599 case CMD_tag:
3600 case CMD_stag:
3601 case CMD_ptag:
3602 case CMD_ltag:
3603 case CMD_tselect:
3604 case CMD_stselect:
3605 case CMD_ptselect:
3606 case CMD_tjump:
3607 case CMD_stjump:
3608 case CMD_ptjump:
3609 if (*p_wop != NUL)
3610 xp->xp_context = EXPAND_TAGS_LISTFILES;
3611 else
3612 xp->xp_context = EXPAND_TAGS;
3613 xp->xp_pattern = arg;
3614 break;
3615 case CMD_augroup:
3616 xp->xp_context = EXPAND_AUGROUP;
3617 xp->xp_pattern = arg;
3618 break;
3619 #ifdef FEAT_SYN_HL
3620 case CMD_syntax:
3621 set_context_in_syntax_cmd(xp, arg);
3622 break;
3623 #endif
3624 #ifdef FEAT_EVAL
3625 case CMD_let:
3626 case CMD_if:
3627 case CMD_elseif:
3628 case CMD_while:
3629 case CMD_for:
3630 case CMD_echo:
3631 case CMD_echon:
3632 case CMD_execute:
3633 case CMD_echomsg:
3634 case CMD_echoerr:
3635 case CMD_call:
3636 case CMD_return:
3637 set_context_for_expression(xp, arg, ea.cmdidx);
3638 break;
3639
3640 case CMD_unlet:
3641 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3642 arg = xp->xp_pattern + 1;
3643 xp->xp_context = EXPAND_USER_VARS;
3644 xp->xp_pattern = arg;
3645 break;
3646
3647 case CMD_function:
3648 case CMD_delfunction:
3649 xp->xp_context = EXPAND_USER_FUNC;
3650 xp->xp_pattern = arg;
3651 break;
3652
3653 case CMD_echohl:
3654 set_context_in_echohl_cmd(xp, arg);
3655 break;
3656 #endif
3657 case CMD_highlight:
3658 set_context_in_highlight_cmd(xp, arg);
3659 break;
3660 #ifdef FEAT_LISTCMDS
3661 case CMD_bdelete:
3662 case CMD_bwipeout:
3663 case CMD_bunload:
3664 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3665 arg = xp->xp_pattern + 1;
3666 /*FALLTHROUGH*/
3667 case CMD_buffer:
3668 case CMD_sbuffer:
3669 case CMD_checktime:
3670 xp->xp_context = EXPAND_BUFFERS;
3671 xp->xp_pattern = arg;
3672 break;
3673 #endif
3674 #ifdef FEAT_USR_CMDS
3675 case CMD_USER:
3676 case CMD_USER_BUF:
3677 if (compl != EXPAND_NOTHING)
3678 {
3679 /* XFILE: file names are handled above */
3680 if (!(ea.argt & XFILE))
3681 {
3682 # ifdef FEAT_MENU
3683 if (compl == EXPAND_MENUS)
3684 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3685 # endif
3686 if (compl == EXPAND_COMMANDS)
3687 return arg;
3688 if (compl == EXPAND_MAPPINGS)
3689 return set_context_in_map_cmd(xp, (char_u *)"map",
3690 arg, forceit, FALSE, FALSE, CMD_map);
3691 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3692 arg = xp->xp_pattern + 1;
3693 xp->xp_pattern = arg;
3694 }
3695 xp->xp_context = compl;
3696 }
3697 break;
3698 #endif
3699 case CMD_map: case CMD_noremap:
3700 case CMD_nmap: case CMD_nnoremap:
3701 case CMD_vmap: case CMD_vnoremap:
3702 case CMD_omap: case CMD_onoremap:
3703 case CMD_imap: case CMD_inoremap:
3704 case CMD_cmap: case CMD_cnoremap:
3705 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3706 FALSE, FALSE, ea.cmdidx);
3707 case CMD_unmap:
3708 case CMD_nunmap:
3709 case CMD_vunmap:
3710 case CMD_ounmap:
3711 case CMD_iunmap:
3712 case CMD_cunmap:
3713 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3714 FALSE, TRUE, ea.cmdidx);
3715 case CMD_abbreviate: case CMD_noreabbrev:
3716 case CMD_cabbrev: case CMD_cnoreabbrev:
3717 case CMD_iabbrev: case CMD_inoreabbrev:
3718 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3719 TRUE, FALSE, ea.cmdidx);
3720 case CMD_unabbreviate:
3721 case CMD_cunabbrev:
3722 case CMD_iunabbrev:
3723 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3724 TRUE, TRUE, ea.cmdidx);
3725 #ifdef FEAT_MENU
3726 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3727 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3728 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3729 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3730 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3731 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3732 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3733 case CMD_tmenu: case CMD_tunmenu:
3734 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3735 #ifdef FEAT_GUI_MACVIM
3736 case CMD_macmenukey:
3737 #endif
3738 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3739 #endif
3740
3741 case CMD_colorscheme:
3742 xp->xp_context = EXPAND_COLORS;
3743 xp->xp_pattern = arg;
3744 break;
3745
3746 case CMD_compiler:
3747 xp->xp_context = EXPAND_COMPILER;
3748 xp->xp_pattern = arg;
3749 break;
3750
3751 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3752 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3753 case CMD_language:
3754 if (*skiptowhite(arg) == NUL)
3755 {
3756 xp->xp_context = EXPAND_LANGUAGE;
3757 xp->xp_pattern = arg;
3758 }
3759 else
3760 xp->xp_context = EXPAND_NOTHING;
3761 break;
3762 #endif
3763
3764 #endif /* FEAT_CMDL_COMPL */
3765
3766 default:
3767 break;
3768 }
3769 return NULL;
3770 }
3771
3772 /*
3773 * skip a range specifier of the form: addr [,addr] [;addr] ..
3774 *
3775 * Backslashed delimiters after / or ? will be skipped, and commands will
3776 * not be expanded between /'s and ?'s or after "'".
3777 *
3778 * Also skip white space and ":" characters.
3779 * Returns the "cmd" pointer advanced to beyond the range.
3780 */
3781 char_u *
3782 skip_range(cmd, ctx)
3783 char_u *cmd;
3784 int *ctx; /* pointer to xp_context or NULL */
3785 {
3786 int delim;
3787
3788 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3789 {
3790 if (*cmd == '\'')
3791 {
3792 if (*++cmd == NUL && ctx != NULL)
3793 *ctx = EXPAND_NOTHING;
3794 }
3795 else if (*cmd == '/' || *cmd == '?')
3796 {
3797 delim = *cmd++;
3798 while (*cmd != NUL && *cmd != delim)
3799 if (*cmd++ == '\\' && *cmd != NUL)
3800 ++cmd;
3801 if (*cmd == NUL && ctx != NULL)
3802 *ctx = EXPAND_NOTHING;
3803 }
3804 if (*cmd != NUL)
3805 ++cmd;
3806 }
3807
3808 /* Skip ":" and white space. */
3809 while (*cmd == ':')
3810 cmd = skipwhite(cmd + 1);
3811
3812 return cmd;
3813 }
3814
3815 /*
3816 * get a single EX address
3817 *
3818 * Set ptr to the next character after the part that was interpreted.
3819 * Set ptr to NULL when an error is encountered.
3820 *
3821 * Return MAXLNUM when no Ex address was found.
3822 */
3823 static linenr_T
3824 get_address(ptr, skip, to_other_file)
3825 char_u **ptr;
3826 int skip; /* only skip the address, don't use it */
3827 int to_other_file; /* flag: may jump to other file */
3828 {
3829 int c;
3830 int i;
3831 long n;
3832 char_u *cmd;
3833 pos_T pos;
3834 pos_T *fp;
3835 linenr_T lnum;
3836
3837 cmd = skipwhite(*ptr);
3838 lnum = MAXLNUM;
3839 do
3840 {
3841 switch (*cmd)
3842 {
3843 case '.': /* '.' - Cursor position */
3844 ++cmd;
3845 lnum = curwin->w_cursor.lnum;
3846 break;
3847
3848 case '$': /* '$' - last line */
3849 ++cmd;
3850 lnum = curbuf->b_ml.ml_line_count;
3851 break;
3852
3853 case '\'': /* ''' - mark */
3854 if (*++cmd == NUL)
3855 {
3856 cmd = NULL;
3857 goto error;
3858 }
3859 if (skip)
3860 ++cmd;
3861 else
3862 {
3863 /* Only accept a mark in another file when it is
3864 * used by itself: ":'M". */
3865 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3866 ++cmd;
3867 if (fp == (pos_T *)-1)
3868 /* Jumped to another file. */
3869 lnum = curwin->w_cursor.lnum;
3870 else
3871 {
3872 if (check_mark(fp) == FAIL)
3873 {
3874 cmd = NULL;
3875 goto error;
3876 }
3877 lnum = fp->lnum;
3878 }
3879 }
3880 break;
3881
3882 case '/':
3883 case '?': /* '/' or '?' - search */
3884 c = *cmd++;
3885 if (skip) /* skip "/pat/" */
3886 {
3887 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3888 if (*cmd == c)
3889 ++cmd;
3890 }
3891 else
3892 {
3893 pos = curwin->w_cursor; /* save curwin->w_cursor */
3894 /*
3895 * When '/' or '?' follows another address, start
3896 * from there.
3897 */
3898 if (lnum != MAXLNUM)
3899 curwin->w_cursor.lnum = lnum;
3900 /*
3901 * Start a forward search at the end of the line.
3902 * Start a backward search at the start of the line.
3903 * This makes sure we never match in the current
3904 * line, and can match anywhere in the
3905 * next/previous line.
3906 */
3907 if (c == '/')
3908 curwin->w_cursor.col = MAXCOL;
3909 else
3910 curwin->w_cursor.col = 0;
3911 searchcmdlen = 0;
3912 if (!do_search(NULL, c, cmd, 1L,
3913 SEARCH_HIS + SEARCH_MSG + SEARCH_START))
3914 {
3915 curwin->w_cursor = pos;
3916 cmd = NULL;
3917 goto error;
3918 }
3919 lnum = curwin->w_cursor.lnum;
3920 curwin->w_cursor = pos;
3921 /* adjust command string pointer */
3922 cmd += searchcmdlen;
3923 }
3924 break;
3925
3926 case '\\': /* "\?", "\/" or "\&", repeat search */
3927 ++cmd;
3928 if (*cmd == '&')
3929 i = RE_SUBST;
3930 else if (*cmd == '?' || *cmd == '/')
3931 i = RE_SEARCH;
3932 else
3933 {
3934 EMSG(_(e_backslash));
3935 cmd = NULL;
3936 goto error;
3937 }
3938
3939 if (!skip)
3940 {
3941 /*
3942 * When search follows another address, start from
3943 * there.
3944 */
3945 if (lnum != MAXLNUM)
3946 pos.lnum = lnum;
3947 else
3948 pos.lnum = curwin->w_cursor.lnum;
3949
3950 /*
3951 * Start the search just like for the above
3952 * do_search().
3953 */
3954 if (*cmd != '?')
3955 pos.col = MAXCOL;
3956 else
3957 pos.col = 0;
3958 if (searchit(curwin, curbuf, &pos,
3959 *cmd == '?' ? BACKWARD : FORWARD,
3960 (char_u *)"", 1L,
3961 SEARCH_MSG + SEARCH_START,
3962 i, (linenr_T)0) != FAIL)
3963 lnum = pos.lnum;
3964 else
3965 {
3966 cmd = NULL;
3967 goto error;
3968 }
3969 }
3970 ++cmd;
3971 break;
3972
3973 default:
3974 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
3975 lnum = getdigits(&cmd);
3976 }
3977
3978 for (;;)
3979 {
3980 cmd = skipwhite(cmd);
3981 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
3982 break;
3983
3984 if (lnum == MAXLNUM)
3985 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
3986 if (VIM_ISDIGIT(*cmd))
3987 i = '+'; /* "number" is same as "+number" */
3988 else
3989 i = *cmd++;
3990 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
3991 n = 1;
3992 else
3993 n = getdigits(&cmd);
3994 if (i == '-')
3995 lnum -= n;
3996 else
3997 lnum += n;
3998 }
3999 } while (*cmd == '/' || *cmd == '?');
4000
4001 error:
4002 *ptr = cmd;
4003 return lnum;
4004 }
4005
4006 /*
4007 * Get flags from an Ex command argument.
4008 */
4009 static void
4010 get_flags(eap)
4011 exarg_T *eap;
4012 {
4013 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4014 {
4015 if (*eap->arg == 'l')
4016 eap->flags |= EXFLAG_LIST;
4017 else if (*eap->arg == 'p')
4018 eap->flags |= EXFLAG_PRINT;
4019 else
4020 eap->flags |= EXFLAG_NR;
4021 eap->arg = skipwhite(eap->arg + 1);
4022 }
4023 }
4024
4025 /*
4026 * Function called for command which is Not Implemented. NI!
4027 */
4028 void
4029 ex_ni(eap)
4030 exarg_T *eap;
4031 {
4032 if (!eap->skip)
4033 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4034 }
4035
4036 #ifdef HAVE_EX_SCRIPT_NI
4037 /*
4038 * Function called for script command which is Not Implemented. NI!
4039 * Skips over ":perl <<EOF" constructs.
4040 */
4041 static void
4042 ex_script_ni(eap)
4043 exarg_T *eap;
4044 {
4045 if (!eap->skip)
4046 ex_ni(eap);
4047 else
4048 vim_free(script_get(eap, eap->arg));
4049 }
4050 #endif
4051
4052 /*
4053 * Check range in Ex command for validity.
4054 * Return NULL when valid, error message when invalid.
4055 */
4056 static char_u *
4057 invalid_range(eap)
4058 exarg_T *eap;
4059 {
4060 if ( eap->line1 < 0
4061 || eap->line2 < 0
4062 || eap->line1 > eap->line2
4063 || ((eap->argt & RANGE)
4064 && !(eap->argt & NOTADR)
4065 && eap->line2 > curbuf->b_ml.ml_line_count
4066 #ifdef FEAT_DIFF
4067 + (eap->cmdidx == CMD_diffget)
4068 #endif
4069 ))
4070 return (char_u *)_(e_invrange);
4071 return NULL;
4072 }
4073
4074 /*
4075 * Correct the range for zero line number, if required.
4076 */
4077 static void
4078 correct_range(eap)
4079 exarg_T *eap;
4080 {
4081 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4082 {
4083 if (eap->line1 == 0)
4084 eap->line1 = 1;
4085 if (eap->line2 == 0)
4086 eap->line2 = 1;
4087 }
4088 }
4089
4090 #ifdef FEAT_QUICKFIX
4091 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4092
4093 /*
4094 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4095 * pattern. Otherwise return eap->arg.
4096 */
4097 static char_u *
4098 skip_grep_pat(eap)
4099 exarg_T *eap;
4100 {
4101 char_u *p = eap->arg;
4102
4103 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4104 || eap->cmdidx == CMD_vimgrepadd
4105 || eap->cmdidx == CMD_lvimgrepadd
4106 || grep_internal(eap->cmdidx)))
4107 {
4108 p = skip_vimgrep_pat(p, NULL, NULL);
4109 if (p == NULL)
4110 p = eap->arg;
4111 }
4112 return p;
4113 }
4114
4115 /*
4116 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4117 * in the command line, so that things like % get expanded.
4118 */
4119 static char_u *
4120 replace_makeprg(eap, p, cmdlinep)
4121 exarg_T *eap;
4122 char_u *p;
4123 char_u **cmdlinep;
4124 {
4125 char_u *new_cmdline;
4126 char_u *program;
4127 char_u *pos;
4128 char_u *ptr;
4129 int len;
4130 int i;
4131
4132 /*
4133 * Don't do it when ":vimgrep" is used for ":grep".
4134 */
4135 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4136 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4137 || eap->cmdidx == CMD_grepadd
4138 || eap->cmdidx == CMD_lgrepadd)
4139 && !grep_internal(eap->cmdidx))
4140 {
4141 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4142 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4143 {
4144 if (*curbuf->b_p_gp == NUL)
4145 program = p_gp;
4146 else
4147 program = curbuf->b_p_gp;
4148 }
4149 else
4150 {
4151 if (*curbuf->b_p_mp == NUL)
4152 program = p_mp;
4153 else
4154 program = curbuf->b_p_mp;
4155 }
4156
4157 p = skipwhite(p);
4158
4159 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4160 {
4161 /* replace $* by given arguments */
4162 i = 1;
4163 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4164 ++i;
4165 len = (int)STRLEN(p);
4166 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4167 if (new_cmdline == NULL)
4168 return NULL; /* out of memory */
4169 ptr = new_cmdline;
4170 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4171 {
4172 i = (int)(pos - program);
4173 STRNCPY(ptr, program, i);
4174 STRCPY(ptr += i, p);
4175 ptr += len;
4176 program = pos + 2;
4177 }
4178 STRCPY(ptr, program);
4179 }
4180 else
4181 {
4182 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4183 if (new_cmdline == NULL)
4184 return NULL; /* out of memory */
4185 STRCPY(new_cmdline, program);
4186 STRCAT(new_cmdline, " ");
4187 STRCAT(new_cmdline, p);
4188 }
4189 msg_make(p);
4190
4191 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4192 vim_free(*cmdlinep);
4193 *cmdlinep = new_cmdline;
4194 p = new_cmdline;
4195 }
4196 return p;
4197 }
4198 #endif
4199
4200 /*
4201 * Expand file name in Ex command argument.
4202 * Return FAIL for failure, OK otherwise.
4203 */
4204 int
4205 expand_filename(eap, cmdlinep, errormsgp)
4206 exarg_T *eap;
4207 char_u **cmdlinep;
4208 char_u **errormsgp;
4209 {
4210 int has_wildcards; /* need to expand wildcards */
4211 char_u *repl;
4212 int srclen;
4213 char_u *p;
4214 int n;
4215 int escaped;
4216
4217 #ifdef FEAT_QUICKFIX
4218 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4219 p = skip_grep_pat(eap);
4220 #else
4221 p = eap->arg;
4222 #endif
4223
4224 /*
4225 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4226 * the file name contains a wildcard it should not cause expanding.
4227 * (it will be expanded anyway if there is a wildcard before replacing).
4228 */
4229 has_wildcards = mch_has_wildcard(p);
4230 while (*p != NUL)
4231 {
4232 #ifdef FEAT_EVAL
4233 /* Skip over `=expr`, wildcards in it are not expanded. */
4234 if (p[0] == '`' && p[1] == '=')
4235 {
4236 p += 2;
4237 (void)skip_expr(&p);
4238 if (*p == '`')
4239 ++p;
4240 continue;
4241 }
4242 #endif
4243 /*
4244 * Quick check if this cannot be the start of a special string.
4245 * Also removes backslash before '%', '#' and '<'.
4246 */
4247 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4248 {
4249 ++p;
4250 continue;
4251 }
4252
4253 /*
4254 * Try to find a match at this position.
4255 */
4256 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4257 errormsgp, &escaped);
4258 if (*errormsgp != NULL) /* error detected */
4259 return FAIL;
4260 if (repl == NULL) /* no match found */
4261 {
4262 p += srclen;
4263 continue;
4264 }
4265
4266 /* Wildcards won't be expanded below, the replacement is taken
4267 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4268 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4269 {
4270 char_u *l = repl;
4271
4272 repl = expand_env_save(repl);
4273 vim_free(l);
4274 }
4275
4276 /* Need to escape white space et al. with a backslash.
4277 * Don't do this for:
4278 * - replacement that already has been escaped: "##"
4279 * - shell commands (may have to use quotes instead).
4280 * - non-unix systems when there is a single argument (spaces don't
4281 * separate arguments then).
4282 */
4283 if (!eap->usefilter
4284 && !escaped
4285 && eap->cmdidx != CMD_bang
4286 && eap->cmdidx != CMD_make
4287 && eap->cmdidx != CMD_lmake
4288 && eap->cmdidx != CMD_grep
4289 && eap->cmdidx != CMD_lgrep
4290 && eap->cmdidx != CMD_grepadd
4291 && eap->cmdidx != CMD_lgrepadd
4292 #ifndef UNIX
4293 && !(eap->argt & NOSPC)
4294 #endif
4295 )
4296 {
4297 char_u *l;
4298 #ifdef BACKSLASH_IN_FILENAME
4299 /* Don't escape a backslash here, because rem_backslash() doesn't
4300 * remove it later. */
4301 static char_u *nobslash = (char_u *)" \t\"|";
4302 # define ESCAPE_CHARS nobslash
4303 #else
4304 # define ESCAPE_CHARS escape_chars
4305 #endif
4306
4307 for (l = repl; *l; ++l)
4308 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4309 {
4310 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4311 if (l != NULL)
4312 {
4313 vim_free(repl);
4314 repl = l;
4315 }
4316 break;
4317 }
4318 }
4319
4320 /* For a shell command a '!' must be escaped. */
4321 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4322 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4323 {
4324 char_u *l;
4325
4326 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4327 if (l != NULL)
4328 {
4329 vim_free(repl);
4330 repl = l;
4331 /* For a sh-like shell escape "!" another time. */
4332 if (strstr((char *)p_sh, "sh") != NULL)
4333 {
4334 l = vim_strsave_escaped(repl, (char_u *)"!");
4335 if (l != NULL)
4336 {
4337 vim_free(repl);
4338 repl = l;
4339 }
4340 }
4341 }
4342 }
4343
4344 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4345 vim_free(repl);
4346 if (p == NULL)
4347 return FAIL;
4348 }
4349
4350 /*
4351 * One file argument: Expand wildcards.
4352 * Don't do this with ":r !command" or ":w !command".
4353 */
4354 if ((eap->argt & NOSPC) && !eap->usefilter)
4355 {
4356 /*
4357 * May do this twice:
4358 * 1. Replace environment variables.
4359 * 2. Replace any other wildcards, remove backslashes.
4360 */
4361 for (n = 1; n <= 2; ++n)
4362 {
4363 if (n == 2)
4364 {
4365 #ifdef UNIX
4366 /*
4367 * Only for Unix we check for more than one file name.
4368 * For other systems spaces are considered to be part
4369 * of the file name.
4370 * Only check here if there is no wildcard, otherwise
4371 * ExpandOne() will check for errors. This allows
4372 * ":e `ls ve*.c`" on Unix.
4373 */
4374 if (!has_wildcards)
4375 for (p = eap->arg; *p; ++p)
4376 {
4377 /* skip escaped characters */
4378 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4379 ++p;
4380 else if (vim_iswhite(*p))
4381 {
4382 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4383 return FAIL;
4384 }
4385 }
4386 #endif
4387
4388 /*
4389 * Halve the number of backslashes (this is Vi compatible).
4390 * For Unix and OS/2, when wildcards are expanded, this is
4391 * done by ExpandOne() below.
4392 */
4393 #if defined(UNIX) || defined(OS2)
4394 if (!has_wildcards)
4395 #endif
4396 backslash_halve(eap->arg);
4397 }
4398
4399 if (has_wildcards)
4400 {
4401 if (n == 1)
4402 {
4403 /*
4404 * First loop: May expand environment variables. This
4405 * can be done much faster with expand_env() than with
4406 * something else (e.g., calling a shell).
4407 * After expanding environment variables, check again
4408 * if there are still wildcards present.
4409 */
4410 if (vim_strchr(eap->arg, '$') != NULL
4411 || vim_strchr(eap->arg, '~') != NULL)
4412 {
4413 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4414 TRUE, TRUE, NULL);
4415 has_wildcards = mch_has_wildcard(NameBuff);
4416 p = NameBuff;
4417 }
4418 else
4419 p = NULL;
4420 }
4421 else /* n == 2 */
4422 {
4423 expand_T xpc;
4424
4425 ExpandInit(&xpc);
4426 xpc.xp_context = EXPAND_FILES;
4427 p = ExpandOne(&xpc, eap->arg, NULL,
4428 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4429 WILD_EXPAND_FREE);
4430 if (p == NULL)
4431 return FAIL;
4432 }
4433 if (p != NULL)
4434 {
4435 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4436 p, cmdlinep);
4437 if (n == 2) /* p came from ExpandOne() */
4438 vim_free(p);
4439 }
4440 }
4441 }
4442 }
4443 return OK;
4444 }
4445
4446 /*
4447 * Replace part of the command line, keeping eap->cmd, eap->arg and
4448 * eap->nextcmd correct.
4449 * "src" points to the part that is to be replaced, of length "srclen".
4450 * "repl" is the replacement string.
4451 * Returns a pointer to the character after the replaced string.
4452 * Returns NULL for failure.
4453 */
4454 static char_u *
4455 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4456 exarg_T *eap;
4457 char_u *src;
4458 int srclen;
4459 char_u *repl;
4460 char_u **cmdlinep;
4461 {
4462 int len;
4463 int i;
4464 char_u *new_cmdline;
4465
4466 /*
4467 * The new command line is build in new_cmdline[].
4468 * First allocate it.
4469 * Careful: a "+cmd" argument may have been NUL terminated.
4470 */
4471 len = (int)STRLEN(repl);
4472 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4473 if (eap->nextcmd != NULL)
4474 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4475 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4476 return NULL; /* out of memory! */
4477
4478 /*
4479 * Copy the stuff before the expanded part.
4480 * Copy the expanded stuff.
4481 * Copy what came after the expanded part.
4482 * Copy the next commands, if there are any.
4483 */
4484 i = (int)(src - *cmdlinep); /* length of part before match */
4485 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4486
4487 mch_memmove(new_cmdline + i, repl, (size_t)len);
4488 i += len; /* remember the end of the string */
4489 STRCPY(new_cmdline + i, src + srclen);
4490 src = new_cmdline + i; /* remember where to continue */
4491
4492 if (eap->nextcmd != NULL) /* append next command */
4493 {
4494 i = (int)STRLEN(new_cmdline) + 1;
4495 STRCPY(new_cmdline + i, eap->nextcmd);
4496 eap->nextcmd = new_cmdline + i;
4497 }
4498 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4499 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4500 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4501 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4502 vim_free(*cmdlinep);
4503 *cmdlinep = new_cmdline;
4504
4505 return src;
4506 }
4507
4508 /*
4509 * Check for '|' to separate commands and '"' to start comments.
4510 */
4511 void
4512 separate_nextcmd(eap)
4513 exarg_T *eap;
4514 {
4515 char_u *p;
4516
4517 #ifdef FEAT_QUICKFIX
4518 p = skip_grep_pat(eap);
4519 #else
4520 p = eap->arg;
4521 #endif
4522
4523 for ( ; *p; mb_ptr_adv(p))
4524 {
4525 if (*p == Ctrl_V)
4526 {
4527 if (eap->argt & (USECTRLV | XFILE))
4528 ++p; /* skip CTRL-V and next char */
4529 else
4530 /* remove CTRL-V and skip next char */
4531 mch_memmove(p, p + 1, STRLEN(p));
4532 if (*p == NUL) /* stop at NUL after CTRL-V */
4533 break;
4534 }
4535
4536 #ifdef FEAT_EVAL
4537 /* Skip over `=expr` when wildcards are expanded. */
4538 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4539 {
4540 p += 2;
4541 (void)skip_expr(&p);
4542 }
4543 #endif
4544
4545 /* Check for '"': start of comment or '|': next command */
4546 /* :@" and :*" do not start a comment!
4547 * :redir @" doesn't either. */
4548 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4549 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4550 || p != eap->arg)
4551 && (eap->cmdidx != CMD_redir
4552 || p != eap->arg + 1 || p[-1] != '@'))
4553 || *p == '|' || *p == '\n')
4554 {
4555 /*
4556 * We remove the '\' before the '|', unless USECTRLV is used
4557 * AND 'b' is present in 'cpoptions'.
4558 */
4559 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4560 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4561 {
4562 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4563 --p;
4564 }
4565 else
4566 {
4567 eap->nextcmd = check_nextcmd(p);
4568 *p = NUL;
4569 break;
4570 }
4571 }
4572 }
4573
4574 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4575 del_trailing_spaces(eap->arg);
4576 }
4577
4578 /*
4579 * get + command from ex argument
4580 */
4581 static char_u *
4582 getargcmd(argp)
4583 char_u **argp;
4584 {
4585 char_u *arg = *argp;
4586 char_u *command = NULL;
4587
4588 if (*arg == '+') /* +[command] */
4589 {
4590 ++arg;
4591 if (vim_isspace(*arg))
4592 command = dollar_command;
4593 else
4594 {
4595 command = arg;
4596 arg = skip_cmd_arg(command, TRUE);
4597 if (*arg != NUL)
4598 *arg++ = NUL; /* terminate command with NUL */
4599 }
4600
4601 arg = skipwhite(arg); /* skip over spaces */
4602 *argp = arg;
4603 }
4604 return command;
4605 }
4606
4607 /*
4608 * Find end of "+command" argument. Skip over "\ " and "\\".
4609 */
4610 static char_u *
4611 skip_cmd_arg(p, rembs)
4612 char_u *p;
4613 int rembs; /* TRUE to halve the number of backslashes */
4614 {
4615 while (*p && !vim_isspace(*p))
4616 {
4617 if (*p == '\\' && p[1] != NUL)
4618 {
4619 if (rembs)
4620 mch_memmove(p, p + 1, STRLEN(p));
4621 else
4622 ++p;
4623 }
4624 mb_ptr_adv(p);
4625 }
4626 return p;
4627 }
4628
4629 /*
4630 * Get "++opt=arg" argument.
4631 * Return FAIL or OK.
4632 */
4633 static int
4634 getargopt(eap)
4635 exarg_T *eap;
4636 {
4637 char_u *arg = eap->arg + 2;
4638 int *pp = NULL;
4639 #ifdef FEAT_MBYTE
4640 char_u *p;
4641 #endif
4642
4643 /* ":edit ++[no]bin[ary] file" */
4644 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4645 {
4646 if (*arg == 'n')
4647 {
4648 arg += 2;
4649 eap->force_bin = FORCE_NOBIN;
4650 }
4651 else
4652 eap->force_bin = FORCE_BIN;
4653 if (!checkforcmd(&arg, "binary", 3))
4654 return FAIL;
4655 eap->arg = skipwhite(arg);
4656 return OK;
4657 }
4658
4659 /* ":read ++edit file" */
4660 if (STRNCMP(arg, "edit", 4) == 0)
4661 {
4662 eap->read_edit = TRUE;
4663 eap->arg = skipwhite(arg + 4);
4664 return OK;
4665 }
4666
4667 if (STRNCMP(arg, "ff", 2) == 0)
4668 {
4669 arg += 2;
4670 pp = &eap->force_ff;
4671 }
4672 else if (STRNCMP(arg, "fileformat", 10) == 0)
4673 {
4674 arg += 10;
4675 pp = &eap->force_ff;
4676 }
4677 #ifdef FEAT_MBYTE
4678 else if (STRNCMP(arg, "enc", 3) == 0)
4679 {
4680 arg += 3;
4681 pp = &eap->force_enc;
4682 }
4683 else if (STRNCMP(arg, "encoding", 8) == 0)
4684 {
4685 arg += 8;
4686 pp = &eap->force_enc;
4687 }
4688 else if (STRNCMP(arg, "bad", 3) == 0)
4689 {
4690 arg += 3;
4691 pp = &eap->bad_char;
4692 }
4693 #endif
4694
4695 if (pp == NULL || *arg != '=')
4696 return FAIL;
4697
4698 ++arg;
4699 *pp = (int)(arg - eap->cmd);
4700 arg = skip_cmd_arg(arg, FALSE);
4701 eap->arg = skipwhite(arg);
4702 *arg = NUL;
4703
4704 #ifdef FEAT_MBYTE
4705 if (pp == &eap->force_ff)
4706 {
4707 #endif
4708 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4709 return FAIL;
4710 #ifdef FEAT_MBYTE
4711 }
4712 else if (pp == &eap->force_enc)
4713 {
4714 /* Make 'fileencoding' lower case. */
4715 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4716 *p = TOLOWER_ASC(*p);
4717 }
4718 else
4719 {
4720 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4721 * "drop". */
4722 p = eap->cmd + eap->bad_char;
4723 if (STRICMP(p, "keep") == 0)
4724 eap->bad_char = BAD_KEEP;
4725 else if (STRICMP(p, "drop") == 0)
4726 eap->bad_char = BAD_DROP;
4727 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4728 eap->bad_char = *p;
4729 else
4730 return FAIL;
4731 }
4732 #endif
4733
4734 return OK;
4735 }
4736
4737 /*
4738 * ":abbreviate" and friends.
4739 */
4740 static void
4741 ex_abbreviate(eap)
4742 exarg_T *eap;
4743 {
4744 do_exmap(eap, TRUE); /* almost the same as mapping */
4745 }
4746
4747 /*
4748 * ":map" and friends.
4749 */
4750 static void
4751 ex_map(eap)
4752 exarg_T *eap;
4753 {
4754 /*
4755 * If we are sourcing .exrc or .vimrc in current directory we
4756 * print the mappings for security reasons.
4757 */
4758 if (secure)
4759 {
4760 secure = 2;
4761 msg_outtrans(eap->cmd);
4762 msg_putchar('\n');
4763 }
4764 do_exmap(eap, FALSE);
4765 }
4766
4767 /*
4768 * ":unmap" and friends.
4769 */
4770 static void
4771 ex_unmap(eap)
4772 exarg_T *eap;
4773 {
4774 do_exmap(eap, FALSE);
4775 }
4776
4777 /*
4778 * ":mapclear" and friends.
4779 */
4780 static void
4781 ex_mapclear(eap)
4782 exarg_T *eap;
4783 {
4784 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4785 }
4786
4787 /*
4788 * ":abclear" and friends.
4789 */
4790 static void
4791 ex_abclear(eap)
4792 exarg_T *eap;
4793 {
4794 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4795 }
4796
4797 #ifdef FEAT_AUTOCMD
4798 static void
4799 ex_autocmd(eap)
4800 exarg_T *eap;
4801 {
4802 /*
4803 * Disallow auto commands from .exrc and .vimrc in current
4804 * directory for security reasons.
4805 */
4806 if (secure)
4807 {
4808 secure = 2;
4809 eap->errmsg = e_curdir;
4810 }
4811 else if (eap->cmdidx == CMD_autocmd)
4812 do_autocmd(eap->arg, eap->forceit);
4813 else
4814 do_augroup(eap->arg, eap->forceit);
4815 }
4816
4817 /*
4818 * ":doautocmd": Apply the automatic commands to the current buffer.
4819 */
4820 static void
4821 ex_doautocmd(eap)
4822 exarg_T *eap;
4823 {
4824 (void)do_doautocmd(eap->arg, TRUE);
4825 do_modelines(0);
4826 }
4827 #endif
4828
4829 #ifdef FEAT_LISTCMDS
4830 /*
4831 * :[N]bunload[!] [N] [bufname] unload buffer
4832 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4833 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4834 */
4835 static void
4836 ex_bunload(eap)
4837 exarg_T *eap;
4838 {
4839 eap->errmsg = do_bufdel(
4840 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4841 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4842 : DOBUF_UNLOAD, eap->arg,
4843 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4844 }
4845
4846 /*
4847 * :[N]buffer [N] to buffer N
4848 * :[N]sbuffer [N] to buffer N
4849 */
4850 static void
4851 ex_buffer(eap)
4852 exarg_T *eap;
4853 {
4854 if (*eap->arg)
4855 eap->errmsg = e_trailing;
4856 else
4857 {
4858 if (eap->addr_count == 0) /* default is current buffer */
4859 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4860 else
4861 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4862 }
4863 }
4864
4865 /*
4866 * :[N]bmodified [N] to next mod. buffer
4867 * :[N]sbmodified [N] to next mod. buffer
4868 */
4869 static void
4870 ex_bmodified(eap)
4871 exarg_T *eap;
4872 {
4873 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4874 }
4875
4876 /*
4877 * :[N]bnext [N] to next buffer
4878 * :[N]sbnext [N] split and to next buffer
4879 */
4880 static void
4881 ex_bnext(eap)
4882 exarg_T *eap;
4883 {
4884 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4885 }
4886
4887 /*
4888 * :[N]bNext [N] to previous buffer
4889 * :[N]bprevious [N] to previous buffer
4890 * :[N]sbNext [N] split and to previous buffer
4891 * :[N]sbprevious [N] split and to previous buffer
4892 */
4893 static void
4894 ex_bprevious(eap)
4895 exarg_T *eap;
4896 {
4897 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4898 }
4899
4900 /*
4901 * :brewind to first buffer
4902 * :bfirst to first buffer
4903 * :sbrewind split and to first buffer
4904 * :sbfirst split and to first buffer
4905 */
4906 static void
4907 ex_brewind(eap)
4908 exarg_T *eap;
4909 {
4910 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4911 }
4912
4913 /*
4914 * :blast to last buffer
4915 * :sblast split and to last buffer
4916 */
4917 static void
4918 ex_blast(eap)
4919 exarg_T *eap;
4920 {
4921 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4922 }
4923 #endif
4924
4925 int
4926 ends_excmd(c)
4927 int c;
4928 {
4929 return (c == NUL || c == '|' || c == '"' || c == '\n');
4930 }
4931
4932 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4933 || defined(PROTO)
4934 /*
4935 * Return the next command, after the first '|' or '\n'.
4936 * Return NULL if not found.
4937 */
4938 char_u *
4939 find_nextcmd(p)
4940 char_u *p;
4941 {
4942 while (*p != '|' && *p != '\n')
4943 {
4944 if (*p == NUL)
4945 return NULL;
4946 ++p;
4947 }
4948 return (p + 1);
4949 }
4950 #endif
4951
4952 /*
4953 * Check if *p is a separator between Ex commands.
4954 * Return NULL if it isn't, (p + 1) if it is.
4955 */
4956 char_u *
4957 check_nextcmd(p)
4958 char_u *p;
4959 {
4960 p = skipwhite(p);
4961 if (*p == '|' || *p == '\n')
4962 return (p + 1);
4963 else
4964 return NULL;
4965 }
4966
4967 /*
4968 * - if there are more files to edit
4969 * - and this is the last window
4970 * - and forceit not used
4971 * - and not repeated twice on a row
4972 * return FAIL and give error message if 'message' TRUE
4973 * return OK otherwise
4974 */
4975 static int
4976 check_more(message, forceit)
4977 int message; /* when FALSE check only, no messages */
4978 int forceit;
4979 {
4980 int n = ARGCOUNT - curwin->w_arg_idx - 1;
4981
4982 if (!forceit && only_one_window()
4983 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
4984 {
4985 if (message)
4986 {
4987 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
4988 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
4989 {
4990 char_u buff[IOSIZE];
4991
4992 if (n == 1)
4993 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
4994 else
4995 vim_snprintf((char *)buff, IOSIZE,
4996 _("%d more files to edit. Quit anyway?"), n);
4997 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
4998 return OK;
4999 return FAIL;
5000 }
5001 #endif
5002 if (n == 1)
5003 EMSG(_("E173: 1 more file to edit"));
5004 else
5005 EMSGN(_("E173: %ld more files to edit"), n);
5006 quitmore = 2; /* next try to quit is allowed */
5007 }
5008 return FAIL;
5009 }
5010 return OK;
5011 }
5012
5013 #ifdef FEAT_CMDL_COMPL
5014 /*
5015 * Function given to ExpandGeneric() to obtain the list of command names.
5016 */
5017 /*ARGSUSED*/
5018 char_u *
5019 get_command_name(xp, idx)
5020 expand_T *xp;
5021 int idx;
5022 {
5023 if (idx >= (int)CMD_SIZE)
5024 # ifdef FEAT_USR_CMDS
5025 return get_user_command_name(idx);
5026 # else
5027 return NULL;
5028 # endif
5029 return cmdnames[idx].cmd_name;
5030 }
5031 #endif
5032
5033 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5034 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));
5035 static void uc_list __ARGS((char_u *name, size_t name_len));
5036 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5037 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5038 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));
5039
5040 static int
5041 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5042 char_u *name;
5043 size_t name_len;
5044 char_u *rep;
5045 long argt;
5046 long def;
5047 int flags;
5048 int compl;
5049 char_u *compl_arg;
5050 int force;
5051 {
5052 ucmd_T *cmd = NULL;
5053 char_u *p;
5054 int i;
5055 int cmp = 1;
5056 char_u *rep_buf = NULL;
5057 garray_T *gap;
5058
5059 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5060 if (rep_buf == NULL)
5061 {
5062 /* Can't replace termcodes - try using the string as is */
5063 rep_buf = vim_strsave(rep);
5064
5065 /* Give up if out of memory */
5066 if (rep_buf == NULL)
5067 return FAIL;
5068 }
5069
5070 /* get address of growarray: global or in curbuf */
5071 if (flags & UC_BUFFER)
5072 {
5073 gap = &curbuf->b_ucmds;
5074 if (gap->ga_itemsize == 0)
5075 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5076 }
5077 else
5078 gap = &ucmds;
5079
5080 /* Search for the command in the already defined commands. */
5081 for (i = 0; i < gap->ga_len; ++i)
5082 {
5083 size_t len;
5084
5085 cmd = USER_CMD_GA(gap, i);
5086 len = STRLEN(cmd->uc_name);
5087 cmp = STRNCMP(name, cmd->uc_name, name_len);
5088 if (cmp == 0)
5089 {
5090 if (name_len < len)
5091 cmp = -1;
5092 else if (name_len > len)
5093 cmp = 1;
5094 }
5095
5096 if (cmp == 0)
5097 {
5098 if (!force)
5099 {
5100 EMSG(_("E174: Command already exists: add ! to replace it"));
5101 goto fail;
5102 }
5103
5104 vim_free(cmd->uc_rep);
5105 cmd->uc_rep = 0;
5106 break;
5107 }
5108
5109 /* Stop as soon as we pass the name to add */
5110 if (cmp < 0)
5111 break;
5112 }
5113
5114 /* Extend the array unless we're replacing an existing command */
5115 if (cmp != 0)
5116 {
5117 if (ga_grow(gap, 1) != OK)
5118 goto fail;
5119 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5120 goto fail;
5121
5122 cmd = USER_CMD_GA(gap, i);
5123 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5124
5125 ++gap->ga_len;
5126
5127 cmd->uc_name = p;
5128 }
5129
5130 cmd->uc_rep = rep_buf;
5131 cmd->uc_argt = argt;
5132 cmd->uc_def = def;
5133 cmd->uc_compl = compl;
5134 #ifdef FEAT_EVAL
5135 cmd->uc_scriptID = current_SID;
5136 # ifdef FEAT_CMDL_COMPL
5137 cmd->uc_compl_arg = compl_arg;
5138 # endif
5139 #endif
5140
5141 return OK;
5142
5143 fail:
5144 vim_free(rep_buf);
5145 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5146 vim_free(compl_arg);
5147 #endif
5148 return FAIL;
5149 }
5150
5151 /*
5152 * List of names for completion for ":command" with the EXPAND_ flag.
5153 * Must be alphabetical for completion.
5154 */
5155 static struct
5156 {
5157 int expand;
5158 char *name;
5159 } command_complete[] =
5160 {
5161 {EXPAND_AUGROUP, "augroup"},
5162 {EXPAND_BUFFERS, "buffer"},
5163 {EXPAND_COMMANDS, "command"},
5164 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5165 {EXPAND_USER_DEFINED, "custom"},
5166 {EXPAND_USER_LIST, "customlist"},
5167 #endif
5168 {EXPAND_DIRECTORIES, "dir"},
5169 {EXPAND_ENV_VARS, "environment"},
5170 {EXPAND_EVENTS, "event"},
5171 {EXPAND_EXPRESSION, "expression"},
5172 {EXPAND_FILES, "file"},
5173 {EXPAND_FUNCTIONS, "function"},
5174 {EXPAND_HELP, "help"},
5175 {EXPAND_HIGHLIGHT, "highlight"},
5176 {EXPAND_MAPPINGS, "mapping"},
5177 {EXPAND_MENUS, "menu"},
5178 {EXPAND_SETTINGS, "option"},
5179 {EXPAND_SHELLCMD, "shellcmd"},
5180 {EXPAND_TAGS, "tag"},
5181 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5182 {EXPAND_USER_VARS, "var"},
5183 {0, NULL}
5184 };
5185
5186 static void
5187 uc_list(name, name_len)
5188 char_u *name;
5189 size_t name_len;
5190 {
5191 int i, j;
5192 int found = FALSE;
5193 ucmd_T *cmd;
5194 int len;
5195 long a;
5196 garray_T *gap;
5197
5198 gap = &curbuf->b_ucmds;
5199 for (;;)
5200 {
5201 for (i = 0; i < gap->ga_len; ++i)
5202 {
5203 cmd = USER_CMD_GA(gap, i);
5204 a = (long)cmd->uc_argt;
5205
5206 /* Skip commands which don't match the requested prefix */
5207 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5208 continue;
5209
5210 /* Put out the title first time */
5211 if (!found)
5212 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5213 found = TRUE;
5214 msg_putchar('\n');
5215 if (got_int)
5216 break;
5217
5218 /* Special cases */
5219 msg_putchar(a & BANG ? '!' : ' ');
5220 msg_putchar(a & REGSTR ? '"' : ' ');
5221 msg_putchar(gap != &ucmds ? 'b' : ' ');
5222 msg_putchar(' ');
5223
5224 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5225 len = (int)STRLEN(cmd->uc_name) + 4;
5226
5227 do {
5228 msg_putchar(' ');
5229 ++len;
5230 } while (len < 16);
5231
5232 len = 0;
5233
5234 /* Arguments */
5235 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5236 {
5237 case 0: IObuff[len++] = '0'; break;
5238 case (EXTRA): IObuff[len++] = '*'; break;
5239 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5240 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5241 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5242 }
5243
5244 do {
5245 IObuff[len++] = ' ';
5246 } while (len < 5);
5247
5248 /* Range */
5249 if (a & (RANGE|COUNT))
5250 {
5251 if (a & COUNT)
5252 {
5253 /* -count=N */
5254 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5255 len += (int)STRLEN(IObuff + len);
5256 }
5257 else if (a & DFLALL)
5258 IObuff[len++] = '%';
5259 else if (cmd->uc_def >= 0)
5260 {
5261 /* -range=N */
5262 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5263 len += (int)STRLEN(IObuff + len);
5264 }
5265 else
5266 IObuff[len++] = '.';
5267 }
5268
5269 do {
5270 IObuff[len++] = ' ';
5271 } while (len < 11);
5272
5273 /* Completion */
5274 for (j = 0; command_complete[j].expand != 0; ++j)
5275 if (command_complete[j].expand == cmd->uc_compl)
5276 {
5277 STRCPY(IObuff + len, command_complete[j].name);
5278 len += (int)STRLEN(IObuff + len);
5279 break;
5280 }
5281
5282 do {
5283 IObuff[len++] = ' ';
5284 } while (len < 21);
5285
5286 IObuff[len] = '\0';
5287 msg_outtrans(IObuff);
5288
5289 msg_outtrans_special(cmd->uc_rep, FALSE);
5290 #ifdef FEAT_EVAL
5291 if (p_verbose > 0)
5292 last_set_msg(cmd->uc_scriptID);
5293 #endif
5294 out_flush();
5295 ui_breakcheck();
5296 if (got_int)
5297 break;
5298 }
5299 if (gap == &ucmds || i < gap->ga_len)
5300 break;
5301 gap = &ucmds;
5302 }
5303
5304 if (!found)
5305 MSG(_("No user-defined commands found"));
5306 }
5307
5308 static char_u *
5309 uc_fun_cmd()
5310 {
5311 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5312 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5313 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5314 0xb9, 0x7f, 0};
5315 int i;
5316
5317 for (i = 0; fcmd[i]; ++i)
5318 IObuff[i] = fcmd[i] - 0x40;
5319 IObuff[i] = 0;
5320 return IObuff;
5321 }
5322
5323 static int
5324 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5325 char_u *attr;
5326 size_t len;
5327 long *argt;
5328 long *def;
5329 int *flags;
5330 int *compl;
5331 char_u **compl_arg;
5332 {
5333 char_u *p;
5334
5335 if (len == 0)
5336 {
5337 EMSG(_("E175: No attribute specified"));
5338 return FAIL;
5339 }
5340
5341 /* First, try the simple attributes (no arguments) */
5342 if (STRNICMP(attr, "bang", len) == 0)
5343 *argt |= BANG;
5344 else if (STRNICMP(attr, "buffer", len) == 0)
5345 *flags |= UC_BUFFER;
5346 else if (STRNICMP(attr, "register", len) == 0)
5347 *argt |= REGSTR;
5348 else if (STRNICMP(attr, "bar", len) == 0)
5349 *argt |= TRLBAR;
5350 else
5351 {
5352 int i;
5353 char_u *val = NULL;
5354 size_t vallen = 0;
5355 size_t attrlen = len;
5356
5357 /* Look for the attribute name - which is the part before any '=' */
5358 for (i = 0; i < (int)len; ++i)
5359 {
5360 if (attr[i] == '=')
5361 {
5362 val = &attr[i + 1];
5363 vallen = len - i - 1;
5364 attrlen = i;
5365 break;
5366 }
5367 }
5368
5369 if (STRNICMP(attr, "nargs", attrlen) == 0)
5370 {
5371 if (vallen == 1)
5372 {
5373 if (*val == '0')
5374 /* Do nothing - this is the default */;
5375 else if (*val == '1')
5376 *argt |= (EXTRA | NOSPC | NEEDARG);
5377 else if (*val == '*')
5378 *argt |= EXTRA;
5379 else if (*val == '?')
5380 *argt |= (EXTRA | NOSPC);
5381 else if (*val == '+')
5382 *argt |= (EXTRA | NEEDARG);
5383 else
5384 goto wrong_nargs;
5385 }
5386 else
5387 {
5388 wrong_nargs:
5389 EMSG(_("E176: Invalid number of arguments"));
5390 return FAIL;
5391 }
5392 }
5393 else if (STRNICMP(attr, "range", attrlen) == 0)
5394 {
5395 *argt |= RANGE;
5396 if (vallen == 1 && *val == '%')
5397 *argt |= DFLALL;
5398 else if (val != NULL)
5399 {
5400 p = val;
5401 if (*def >= 0)
5402 {
5403 two_count:
5404 EMSG(_("E177: Count cannot be specified twice"));
5405 return FAIL;
5406 }
5407
5408 *def = getdigits(&p);
5409 *argt |= (ZEROR | NOTADR);
5410
5411 if (p != val + vallen || vallen == 0)
5412 {
5413 invalid_count:
5414 EMSG(_("E178: Invalid default value for count"));
5415 return FAIL;
5416 }
5417 }
5418 }
5419 else if (STRNICMP(attr, "count", attrlen) == 0)
5420 {
5421 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5422
5423 if (val != NULL)
5424 {
5425 p = val;
5426 if (*def >= 0)
5427 goto two_count;
5428
5429 *def = getdigits(&p);
5430
5431 if (p != val + vallen)
5432 goto invalid_count;
5433 }
5434
5435 if (*def < 0)
5436 *def = 0;
5437 }
5438 else if (STRNICMP(attr, "complete", attrlen) == 0)
5439 {
5440 if (val == NULL)
5441 {
5442 EMSG(_("E179: argument required for -complete"));
5443 return FAIL;
5444 }
5445
5446 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5447 == FAIL)
5448 return FAIL;
5449 }
5450 else
5451 {
5452 char_u ch = attr[len];
5453 attr[len] = '\0';
5454 EMSG2(_("E181: Invalid attribute: %s"), attr);
5455 attr[len] = ch;
5456 return FAIL;
5457 }
5458 }
5459
5460 return OK;
5461 }
5462
5463 static void
5464 ex_command(eap)
5465 exarg_T *eap;
5466 {
5467 char_u *name;
5468 char_u *end;
5469 char_u *p;
5470 long argt = 0;
5471 long def = -1;
5472 int flags = 0;
5473 int compl = EXPAND_NOTHING;
5474 char_u *compl_arg = NULL;
5475 int has_attr = (eap->arg[0] == '-');
5476
5477 p = eap->arg;
5478
5479 /* Check for attributes */
5480 while (*p == '-')
5481 {
5482 ++p;
5483 end = skiptowhite(p);
5484 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5485 == FAIL)
5486 return;
5487 p = skipwhite(end);
5488 }
5489
5490 /* Get the name (if any) and skip to the following argument */
5491 name = p;
5492 if (ASCII_ISALPHA(*p))
5493 while (ASCII_ISALNUM(*p))
5494 ++p;
5495 if (!ends_excmd(*p) && !vim_iswhite(*p))
5496 {
5497 EMSG(_("E182: Invalid command name"));
5498 return;
5499 }
5500 end = p;
5501
5502 /* If there is nothing after the name, and no attributes were specified,
5503 * we are listing commands
5504 */
5505 p = skipwhite(end);
5506 if (!has_attr && ends_excmd(*p))
5507 {
5508 uc_list(name, end - name);
5509 }
5510 else if (!ASCII_ISUPPER(*name))
5511 {
5512 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5513 return;
5514 }
5515 else
5516 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5517 eap->forceit);
5518 }
5519
5520 /*
5521 * ":comclear"
5522 * Clear all user commands, global and for current buffer.
5523 */
5524 /*ARGSUSED*/
5525 void
5526 ex_comclear(eap)
5527 exarg_T *eap;
5528 {
5529 uc_clear(&ucmds);
5530 uc_clear(&curbuf->b_ucmds);
5531 }
5532
5533 /*
5534 * Clear all user commands for "gap".
5535 */
5536 void
5537 uc_clear(gap)
5538 garray_T *gap;
5539 {
5540 int i;
5541 ucmd_T *cmd;
5542
5543 for (i = 0; i < gap->ga_len; ++i)
5544 {
5545 cmd = USER_CMD_GA(gap, i);
5546 vim_free(cmd->uc_name);
5547 vim_free(cmd->uc_rep);
5548 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5549 vim_free(cmd->uc_compl_arg);
5550 # endif
5551 }
5552 ga_clear(gap);
5553 }
5554
5555 static void
5556 ex_delcommand(eap)
5557 exarg_T *eap;
5558 {
5559 int i = 0;
5560 ucmd_T *cmd = NULL;
5561 int cmp = -1;
5562 garray_T *gap;
5563
5564 gap = &curbuf->b_ucmds;
5565 for (;;)
5566 {
5567 for (i = 0; i < gap->ga_len; ++i)
5568 {
5569 cmd = USER_CMD_GA(gap, i);
5570 cmp = STRCMP(eap->arg, cmd->uc_name);
5571 if (cmp <= 0)
5572 break;
5573 }
5574 if (gap == &ucmds || cmp == 0)
5575 break;
5576 gap = &ucmds;
5577 }
5578
5579 if (cmp != 0)
5580 {
5581 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5582 return;
5583 }
5584
5585 vim_free(cmd->uc_name);
5586 vim_free(cmd->uc_rep);
5587 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5588 vim_free(cmd->uc_compl_arg);
5589 # endif
5590
5591 --gap->ga_len;
5592
5593 if (i < gap->ga_len)
5594 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5595 }
5596
5597 /*
5598 * split and quote args for <f-args>
5599 */
5600 static char_u *
5601 uc_split_args(arg, lenp)
5602 char_u *arg;
5603 size_t *lenp;
5604 {
5605 char_u *buf;
5606 char_u *p;
5607 char_u *q;
5608 int len;
5609
5610 /* Precalculate length */
5611 p = arg;
5612 len = 2; /* Initial and final quotes */
5613
5614 while (*p)
5615 {
5616 if (p[0] == '\\' && p[1] == '\\')
5617 {
5618 len += 2;
5619 p += 2;
5620 }
5621 else if (p[0] == '\\' && vim_iswhite(p[1]))
5622 {
5623 len += 1;
5624 p += 2;
5625 }
5626 else if (*p == '\\' || *p == '"')
5627 {
5628 len += 2;
5629 p += 1;
5630 }
5631 else if (vim_iswhite(*p))
5632 {
5633 p = skipwhite(p);
5634 if (*p == NUL)
5635 break;
5636 len += 3; /* "," */
5637 }
5638 else
5639 {
5640 ++len;
5641 ++p;
5642 }
5643 }
5644
5645 buf = alloc(len + 1);
5646 if (buf == NULL)
5647 {
5648 *lenp = 0;
5649 return buf;
5650 }
5651
5652 p = arg;
5653 q = buf;
5654 *q++ = '"';
5655 while (*p)
5656 {
5657 if (p[0] == '\\' && p[1] == '\\')
5658 {
5659 *q++ = '\\';
5660 *q++ = '\\';
5661 p += 2;
5662 }
5663 else if (p[0] == '\\' && vim_iswhite(p[1]))
5664 {
5665 *q++ = p[1];
5666 p += 2;
5667 }
5668 else if (*p == '\\' || *p == '"')
5669 {
5670 *q++ = '\\';
5671 *q++ = *p++;
5672 }
5673 else if (vim_iswhite(*p))
5674 {
5675 p = skipwhite(p);
5676 if (*p == NUL)
5677 break;
5678 *q++ = '"';
5679 *q++ = ',';
5680 *q++ = '"';
5681 }
5682 else
5683 {
5684 *q++ = *p++;
5685 }
5686 }
5687 *q++ = '"';
5688 *q = 0;
5689
5690 *lenp = len;
5691 return buf;
5692 }
5693
5694 /*
5695 * Check for a <> code in a user command.
5696 * "code" points to the '<'. "len" the length of the <> (inclusive).
5697 * "buf" is where the result is to be added.
5698 * "split_buf" points to a buffer used for splitting, caller should free it.
5699 * "split_len" is the length of what "split_buf" contains.
5700 * Returns the length of the replacement, which has been added to "buf".
5701 * Returns -1 if there was no match, and only the "<" has been copied.
5702 */
5703 static size_t
5704 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5705 char_u *code;
5706 size_t len;
5707 char_u *buf;
5708 ucmd_T *cmd; /* the user command we're expanding */
5709 exarg_T *eap; /* ex arguments */
5710 char_u **split_buf;
5711 size_t *split_len;
5712 {
5713 size_t result = 0;
5714 char_u *p = code + 1;
5715 size_t l = len - 2;
5716 int quote = 0;
5717 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5718 ct_LT, ct_NONE } type = ct_NONE;
5719
5720 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5721 {
5722 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5723 p += 2;
5724 l -= 2;
5725 }
5726
5727 ++l;
5728 if (l <= 1)
5729 type = ct_NONE;
5730 else if (STRNICMP(p, "args>", l) == 0)
5731 type = ct_ARGS;
5732 else if (STRNICMP(p, "bang>", l) == 0)
5733 type = ct_BANG;
5734 else if (STRNICMP(p, "count>", l) == 0)
5735 type = ct_COUNT;
5736 else if (STRNICMP(p, "line1>", l) == 0)
5737 type = ct_LINE1;
5738 else if (STRNICMP(p, "line2>", l) == 0)
5739 type = ct_LINE2;
5740 else if (STRNICMP(p, "lt>", l) == 0)
5741 type = ct_LT;
5742 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5743 type = ct_REGISTER;
5744
5745 switch (type)
5746 {
5747 case ct_ARGS:
5748 /* Simple case first */
5749 if (*eap->arg == NUL)
5750 {
5751 if (quote == 1)
5752 {
5753 result = 2;
5754 if (buf != NULL)
5755 STRCPY(buf, "''");
5756 }
5757 else
5758 result = 0;
5759 break;
5760 }
5761
5762 /* When specified there is a single argument don't split it.
5763 * Works for ":Cmd %" when % is "a b c". */
5764 if ((eap->argt & NOSPC) && quote == 2)
5765 quote = 1;
5766
5767 switch (quote)
5768 {
5769 case 0: /* No quoting, no splitting */
5770 result = STRLEN(eap->arg);
5771 if (buf != NULL)
5772 STRCPY(buf, eap->arg);
5773 break;
5774 case 1: /* Quote, but don't split */
5775 result = STRLEN(eap->arg) + 2;
5776 for (p = eap->arg; *p; ++p)
5777 {
5778 if (*p == '\\' || *p == '"')
5779 ++result;
5780 }
5781
5782 if (buf != NULL)
5783 {
5784 *buf++ = '"';
5785 for (p = eap->arg; *p; ++p)
5786 {
5787 if (*p == '\\' || *p == '"')
5788 *buf++ = '\\';
5789 *buf++ = *p;
5790 }
5791 *buf = '"';
5792 }
5793
5794 break;
5795 case 2: /* Quote and split (<f-args>) */
5796 /* This is hard, so only do it once, and cache the result */
5797 if (*split_buf == NULL)
5798 *split_buf = uc_split_args(eap->arg, split_len);
5799
5800 result = *split_len;
5801 if (buf != NULL && result != 0)
5802 STRCPY(buf, *split_buf);
5803
5804 break;
5805 }
5806 break;
5807
5808 case ct_BANG:
5809 result = eap->forceit ? 1 : 0;
5810 if (quote)
5811 result += 2;
5812 if (buf != NULL)
5813 {
5814 if (quote)
5815 *buf++ = '"';
5816 if (eap->forceit)
5817 *buf++ = '!';
5818 if (quote)
5819 *buf = '"';
5820 }
5821 break;
5822
5823 case ct_LINE1:
5824 case ct_LINE2:
5825 case ct_COUNT:
5826 {
5827 char num_buf[20];
5828 long num = (type == ct_LINE1) ? eap->line1 :
5829 (type == ct_LINE2) ? eap->line2 :
5830 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5831 size_t num_len;
5832
5833 sprintf(num_buf, "%ld", num);
5834 num_len = STRLEN(num_buf);
5835 result = num_len;
5836
5837 if (quote)
5838 result += 2;
5839
5840 if (buf != NULL)
5841 {
5842 if (quote)
5843 *buf++ = '"';
5844 STRCPY(buf, num_buf);
5845 buf += num_len;
5846 if (quote)
5847 *buf = '"';
5848 }
5849
5850 break;
5851 }
5852
5853 case ct_REGISTER:
5854 result = eap->regname ? 1 : 0;
5855 if (quote)
5856 result += 2;
5857 if (buf != NULL)
5858 {
5859 if (quote)
5860 *buf++ = '\'';
5861 if (eap->regname)
5862 *buf++ = eap->regname;
5863 if (quote)
5864 *buf = '\'';
5865 }
5866 break;
5867
5868 case ct_LT:
5869 result = 1;
5870 if (buf != NULL)
5871 *buf = '<';
5872 break;
5873
5874 default:
5875 /* Not recognized: just copy the '<' and return -1. */
5876 result = (size_t)-1;
5877 if (buf != NULL)
5878 *buf = '<';
5879 break;
5880 }
5881
5882 return result;
5883 }
5884
5885 static void
5886 do_ucmd(eap)
5887 exarg_T *eap;
5888 {
5889 char_u *buf;
5890 char_u *p;
5891 char_u *q;
5892
5893 char_u *start;
5894 char_u *end;
5895 size_t len, totlen;
5896
5897 size_t split_len = 0;
5898 char_u *split_buf = NULL;
5899 ucmd_T *cmd;
5900 #ifdef FEAT_EVAL
5901 scid_T save_current_SID = current_SID;
5902 #endif
5903
5904 if (eap->cmdidx == CMD_USER)
5905 cmd = USER_CMD(eap->useridx);
5906 else
5907 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5908
5909 /*
5910 * Replace <> in the command by the arguments.
5911 */
5912 buf = NULL;
5913 for (;;)
5914 {
5915 p = cmd->uc_rep;
5916 q = buf;
5917 totlen = 0;
5918 while ((start = vim_strchr(p, '<')) != NULL
5919 && (end = vim_strchr(start + 1, '>')) != NULL)
5920 {
5921 /* Include the '>' */
5922 ++end;
5923
5924 /* Take everything up to the '<' */
5925 len = start - p;
5926 if (buf == NULL)
5927 totlen += len;
5928 else
5929 {
5930 mch_memmove(q, p, len);
5931 q += len;
5932 }
5933
5934 len = uc_check_code(start, end - start, q, cmd, eap,
5935 &split_buf, &split_len);
5936 if (len == (size_t)-1)
5937 {
5938 /* no match, continue after '<' */
5939 p = start + 1;
5940 len = 1;
5941 }
5942 else
5943 p = end;
5944 if (buf == NULL)
5945 totlen += len;
5946 else
5947 q += len;
5948 }
5949 if (buf != NULL) /* second time here, finished */
5950 {
5951 STRCPY(q, p);
5952 break;
5953 }
5954
5955 totlen += STRLEN(p); /* Add on the trailing characters */
5956 buf = alloc((unsigned)(totlen + 1));
5957 if (buf == NULL)
5958 {
5959 vim_free(split_buf);
5960 return;
5961 }
5962 }
5963
5964 #ifdef FEAT_EVAL
5965 current_SID = cmd->uc_scriptID;
5966 #endif
5967 (void)do_cmdline(buf, eap->getline, eap->cookie,
5968 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5969 #ifdef FEAT_EVAL
5970 current_SID = save_current_SID;
5971 #endif
5972 vim_free(buf);
5973 vim_free(split_buf);
5974 }
5975
5976 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
5977 static char_u *
5978 get_user_command_name(idx)
5979 int idx;
5980 {
5981 return get_user_commands(NULL, idx - (int)CMD_SIZE);
5982 }
5983
5984 /*
5985 * Function given to ExpandGeneric() to obtain the list of user command names.
5986 */
5987 /*ARGSUSED*/
5988 char_u *
5989 get_user_commands(xp, idx)
5990 expand_T *xp;
5991 int idx;
5992 {
5993 if (idx < curbuf->b_ucmds.ga_len)
5994 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
5995 idx -= curbuf->b_ucmds.ga_len;
5996 if (idx < ucmds.ga_len)
5997 return USER_CMD(idx)->uc_name;
5998 return NULL;
5999 }
6000
6001 /*
6002 * Function given to ExpandGeneric() to obtain the list of user command
6003 * attributes.
6004 */
6005 /*ARGSUSED*/
6006 char_u *
6007 get_user_cmd_flags(xp, idx)
6008 expand_T *xp;
6009 int idx;
6010 {
6011 static char *user_cmd_flags[] =
6012 {"bang", "bar", "buffer", "complete", "count",
6013 "nargs", "range", "register"};
6014
6015 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6016 return NULL;
6017 return (char_u *)user_cmd_flags[idx];
6018 }
6019
6020 /*
6021 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6022 */
6023 /*ARGSUSED*/
6024 char_u *
6025 get_user_cmd_nargs(xp, idx)
6026 expand_T *xp;
6027 int idx;
6028 {
6029 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6030
6031 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6032 return NULL;
6033 return (char_u *)user_cmd_nargs[idx];
6034 }
6035
6036 /*
6037 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6038 */
6039 /*ARGSUSED*/
6040 char_u *
6041 get_user_cmd_complete(xp, idx)
6042 expand_T *xp;
6043 int idx;
6044 {
6045 return (char_u *)command_complete[idx].name;
6046 }
6047 # endif /* FEAT_CMDL_COMPL */
6048
6049 #endif /* FEAT_USR_CMDS */
6050
6051 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6052 /*
6053 * Parse a completion argument "value[vallen]".
6054 * The detected completion goes in "*complp", argument type in "*argt".
6055 * When there is an argument, for function and user defined completion, it's
6056 * copied to allocated memory and stored in "*compl_arg".
6057 * Returns FAIL if something is wrong.
6058 */
6059 int
6060 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6061 char_u *value;
6062 int vallen;
6063 int *complp;
6064 long *argt;
6065 char_u **compl_arg;
6066 {
6067 char_u *arg = NULL;
6068 size_t arglen = 0;
6069 int i;
6070 int valend = vallen;
6071
6072 /* Look for any argument part - which is the part after any ',' */
6073 for (i = 0; i < vallen; ++i)
6074 {
6075 if (value[i] == ',')
6076 {
6077 arg = &value[i + 1];
6078 arglen = vallen - i - 1;
6079 valend = i;
6080 break;
6081 }
6082 }
6083
6084 for (i = 0; command_complete[i].expand != 0; ++i)
6085 {
6086 if ((int)STRLEN(command_complete[i].name) == valend
6087 && STRNCMP(value, command_complete[i].name, valend) == 0)
6088 {
6089 *complp = command_complete[i].expand;
6090 if (command_complete[i].expand == EXPAND_BUFFERS)
6091 *argt |= BUFNAME;
6092 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6093 || command_complete[i].expand == EXPAND_FILES)
6094 *argt |= XFILE;
6095 break;
6096 }
6097 }
6098
6099 if (command_complete[i].expand == 0)
6100 {
6101 EMSG2(_("E180: Invalid complete value: %s"), value);
6102 return FAIL;
6103 }
6104
6105 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6106 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6107 && arg != NULL)
6108 # else
6109 if (arg != NULL)
6110 # endif
6111 {
6112 EMSG(_("E468: Completion argument only allowed for custom completion"));
6113 return FAIL;
6114 }
6115
6116 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6117 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6118 && arg == NULL)
6119 {
6120 EMSG(_("E467: Custom completion requires a function argument"));
6121 return FAIL;
6122 }
6123
6124 if (arg != NULL)
6125 *compl_arg = vim_strnsave(arg, (int)arglen);
6126 # endif
6127 return OK;
6128 }
6129 #endif
6130
6131 static void
6132 ex_colorscheme(eap)
6133 exarg_T *eap;
6134 {
6135 if (load_colors(eap->arg) == FAIL)
6136 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6137 }
6138
6139 static void
6140 ex_highlight(eap)
6141 exarg_T *eap;
6142 {
6143 if (*eap->arg == NUL && eap->cmd[2] == '!')
6144 MSG(_("Greetings, Vim user!"));
6145 do_highlight(eap->arg, eap->forceit, FALSE);
6146 }
6147
6148
6149 /*
6150 * Call this function if we thought we were going to exit, but we won't
6151 * (because of an error). May need to restore the terminal mode.
6152 */
6153 void
6154 not_exiting()
6155 {
6156 exiting = FALSE;
6157 settmode(TMODE_RAW);
6158 }
6159
6160 /*
6161 * ":quit": quit current window, quit Vim if closed the last window.
6162 */
6163 static void
6164 ex_quit(eap)
6165 exarg_T *eap;
6166 {
6167 #ifdef FEAT_CMDWIN
6168 if (cmdwin_type != 0)
6169 {
6170 cmdwin_result = Ctrl_C;
6171 return;
6172 }
6173 #endif
6174 /* Don't quit while editing the command line. */
6175 if (text_locked())
6176 {
6177 text_locked_msg();
6178 return;
6179 }
6180 #ifdef FEAT_AUTOCMD
6181 if (curbuf_locked())
6182 return;
6183 #endif
6184
6185 #ifdef FEAT_NETBEANS_INTG
6186 netbeansForcedQuit = eap->forceit;
6187 #endif
6188
6189 /*
6190 * If there are more files or windows we won't exit.
6191 */
6192 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6193 exiting = TRUE;
6194 if ((!P_HID(curbuf)
6195 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6196 || check_more(TRUE, eap->forceit) == FAIL
6197 || (only_one_window() && check_changed_any(eap->forceit)))
6198 {
6199 not_exiting();
6200 }
6201 else
6202 {
6203 #ifdef FEAT_WINDOWS
6204 if (only_one_window()) /* quit last window */
6205 #endif
6206 getout(0);
6207 #ifdef FEAT_WINDOWS
6208 # ifdef FEAT_GUI
6209 need_mouse_correct = TRUE;
6210 # endif
6211 /* close window; may free buffer */
6212 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6213 #endif
6214 }
6215 }
6216
6217 /*
6218 * ":cquit".
6219 */
6220 /*ARGSUSED*/
6221 static void
6222 ex_cquit(eap)
6223 exarg_T *eap;
6224 {
6225 getout(1); /* this does not always pass on the exit code to the Manx
6226 compiler. why? */
6227 }
6228
6229 /*
6230 * ":qall": try to quit all windows
6231 */
6232 static void
6233 ex_quit_all(eap)
6234 exarg_T *eap;
6235 {
6236 # ifdef FEAT_CMDWIN
6237 if (cmdwin_type != 0)
6238 {
6239 if (eap->forceit)
6240 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6241 else
6242 cmdwin_result = K_XF2;
6243 return;
6244 }
6245 # endif
6246
6247 /* Don't quit while editing the command line. */
6248 if (text_locked())
6249 {
6250 text_locked_msg();
6251 return;
6252 }
6253 #ifdef FEAT_AUTOCMD
6254 if (curbuf_locked())
6255 return;
6256 #endif
6257
6258 exiting = TRUE;
6259 if (eap->forceit || !check_changed_any(FALSE))
6260 getout(0);
6261 not_exiting();
6262 }
6263
6264 #if defined(FEAT_WINDOWS) || defined(PROTO)
6265 /*
6266 * ":close": close current window, unless it is the last one
6267 */
6268 static void
6269 ex_close(eap)
6270 exarg_T *eap;
6271 {
6272 # ifdef FEAT_CMDWIN
6273 if (cmdwin_type != 0)
6274 cmdwin_result = K_IGNORE;
6275 else
6276 # endif
6277 if (!text_locked()
6278 #ifdef FEAT_AUTOCMD
6279 && !curbuf_locked()
6280 #endif
6281 )
6282 ex_win_close(eap->forceit, curwin, NULL);
6283 }
6284
6285 # ifdef FEAT_QUICKFIX
6286 /*
6287 * ":pclose": Close any preview window.
6288 */
6289 static void
6290 ex_pclose(eap)
6291 exarg_T *eap;
6292 {
6293 win_T *win;
6294
6295 for (win = firstwin; win != NULL; win = win->w_next)
6296 if (win->w_p_pvw)
6297 {
6298 ex_win_close(eap->forceit, win, NULL);
6299 break;
6300 }
6301 }
6302 # endif
6303
6304 /*
6305 * Close window "win" and take care of handling closing the last window for a
6306 * modified buffer.
6307 */
6308 static void
6309 ex_win_close(forceit, win, tp)
6310 int forceit;
6311 win_T *win;
6312 tabpage_T *tp; /* NULL or the tab page "win" is in */
6313 {
6314 int need_hide;
6315 buf_T *buf = win->w_buffer;
6316
6317 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6318 if (need_hide && !P_HID(buf) && !forceit)
6319 {
6320 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6321 if ((p_confirm || cmdmod.confirm) && p_write)
6322 {
6323 dialog_changed(buf, FALSE);
6324 if (buf_valid(buf) && bufIsChanged(buf))
6325 return;
6326 need_hide = FALSE;
6327 }
6328 else
6329 # endif
6330 {
6331 EMSG(_(e_nowrtmsg));
6332 return;
6333 }
6334 }
6335
6336 # ifdef FEAT_GUI
6337 need_mouse_correct = TRUE;
6338 # endif
6339
6340 /* free buffer when not hiding it or when it's a scratch buffer */
6341 if (tp == NULL)
6342 win_close(win, !need_hide && !P_HID(buf));
6343 else
6344 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6345 }
6346
6347 /*
6348 * ":tabclose": close current tab page, unless it is the last one.
6349 * ":tabclose N": close tab page N.
6350 */
6351 static void
6352 ex_tabclose(eap)
6353 exarg_T *eap;
6354 {
6355 tabpage_T *tp;
6356
6357 # ifdef FEAT_CMDWIN
6358 if (cmdwin_type != 0)
6359 cmdwin_result = K_IGNORE;
6360 else
6361 # endif
6362 if (first_tabpage->tp_next == NULL)
6363 EMSG(_("E784: Cannot close last tab page"));
6364 else
6365 {
6366 if (eap->addr_count > 0)
6367 {
6368 tp = find_tabpage((int)eap->line2);
6369 if (tp == NULL)
6370 {
6371 beep_flush();
6372 return;
6373 }
6374 if (tp != curtab)
6375 {
6376 tabpage_close_other(tp, eap->forceit);
6377 return;
6378 }
6379 }
6380 if (!text_locked()
6381 #ifdef FEAT_AUTOCMD
6382 && !curbuf_locked()
6383 #endif
6384 )
6385 tabpage_close(eap->forceit);
6386 }
6387 }
6388
6389 /*
6390 * ":tabonly": close all tab pages except the current one
6391 */
6392 static void
6393 ex_tabonly(eap)
6394 exarg_T *eap;
6395 {
6396 tabpage_T *tp;
6397 int done;
6398
6399 # ifdef FEAT_CMDWIN
6400 if (cmdwin_type != 0)
6401 cmdwin_result = K_IGNORE;
6402 else
6403 # endif
6404 if (first_tabpage->tp_next == NULL)
6405 MSG(_("Already only one tab page"));
6406 else
6407 {
6408 /* Repeat this up to a 1000 times, because autocommands may mess
6409 * up the lists. */
6410 for (done = 0; done < 1000; ++done)
6411 {
6412 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6413 if (tp->tp_topframe != topframe)
6414 {
6415 tabpage_close_other(tp, eap->forceit);
6416 /* if we failed to close it quit */
6417 if (valid_tabpage(tp))
6418 done = 1000;
6419 /* start over, "tp" is now invalid */
6420 break;
6421 }
6422 if (first_tabpage->tp_next == NULL)
6423 break;
6424 }
6425 }
6426 }
6427
6428 /*
6429 * Close the current tab page.
6430 */
6431 void
6432 tabpage_close(forceit)
6433 int forceit;
6434 {
6435 /* First close all the windows but the current one. If that worked then
6436 * close the last window in this tab, that will close it. */
6437 if (lastwin != firstwin)
6438 close_others(TRUE, forceit);
6439 if (lastwin == firstwin)
6440 ex_win_close(forceit, curwin, NULL);
6441 # ifdef FEAT_GUI
6442 need_mouse_correct = TRUE;
6443 # endif
6444 }
6445
6446 /*
6447 * Close tab page "tp", which is not the current tab page.
6448 * Note that autocommands may make "tp" invalid.
6449 * Also takes care of the tab pages line disappearing when closing the
6450 * last-but-one tab page.
6451 */
6452 void
6453 tabpage_close_other(tp, forceit)
6454 tabpage_T *tp;
6455 int forceit;
6456 {
6457 int done = 0;
6458 win_T *wp;
6459 int h = tabline_height();
6460
6461 /* Limit to 1000 windows, autocommands may add a window while we close
6462 * one. OK, so I'm paranoid... */
6463 while (++done < 1000)
6464 {
6465 wp = tp->tp_firstwin;
6466 ex_win_close(forceit, wp, tp);
6467
6468 /* Autocommands may delete the tab page under our fingers and we may
6469 * fail to close a window with a modified buffer. */
6470 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6471 break;
6472 }
6473
6474 redraw_tabline = TRUE;
6475 if (h != tabline_height())
6476 shell_new_rows();
6477 }
6478
6479 /*
6480 * ":only".
6481 */
6482 static void
6483 ex_only(eap)
6484 exarg_T *eap;
6485 {
6486 # ifdef FEAT_GUI
6487 need_mouse_correct = TRUE;
6488 # endif
6489 close_others(TRUE, eap->forceit);
6490 }
6491
6492 /*
6493 * ":all" and ":sall".
6494 * Also used for ":tab drop file ..." after setting the argument list.
6495 */
6496 void
6497 ex_all(eap)
6498 exarg_T *eap;
6499 {
6500 if (eap->addr_count == 0)
6501 eap->line2 = 9999;
6502 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6503 }
6504 #endif /* FEAT_WINDOWS */
6505
6506 static void
6507 ex_hide(eap)
6508 exarg_T *eap;
6509 {
6510 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6511 eap->errmsg = e_invarg;
6512 else
6513 {
6514 /* ":hide" or ":hide | cmd": hide current window */
6515 eap->nextcmd = check_nextcmd(eap->arg);
6516 #ifdef FEAT_WINDOWS
6517 if (!eap->skip)
6518 {
6519 # ifdef FEAT_GUI
6520 need_mouse_correct = TRUE;
6521 # endif
6522 win_close(curwin, FALSE); /* don't free buffer */
6523 }
6524 #endif
6525 }
6526 }
6527
6528 /*
6529 * ":stop" and ":suspend": Suspend Vim.
6530 */
6531 static void
6532 ex_stop(eap)
6533 exarg_T *eap;
6534 {
6535 /*
6536 * Disallow suspending for "rvim".
6537 */
6538 if (!check_restricted()
6539 #ifdef WIN3264
6540 /*
6541 * Check if external commands are allowed now.
6542 */
6543 && can_end_termcap_mode(TRUE)
6544 #endif
6545 )
6546 {
6547 if (!eap->forceit)
6548 autowrite_all();
6549 windgoto((int)Rows - 1, 0);
6550 out_char('\n');
6551 out_flush();
6552 stoptermcap();
6553 out_flush(); /* needed for SUN to restore xterm buffer */
6554 #ifdef FEAT_TITLE
6555 mch_restore_title(3); /* restore window titles */
6556 #endif
6557 ui_suspend(); /* call machine specific function */
6558 #ifdef FEAT_TITLE
6559 maketitle();
6560 resettitle(); /* force updating the title */
6561 #endif
6562 starttermcap();
6563 scroll_start(); /* scroll screen before redrawing */
6564 redraw_later_clear();
6565 shell_resized(); /* may have resized window */
6566 }
6567 }
6568
6569 /*
6570 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6571 */
6572 static void
6573 ex_exit(eap)
6574 exarg_T *eap;
6575 {
6576 #ifdef FEAT_CMDWIN
6577 if (cmdwin_type != 0)
6578 {
6579 cmdwin_result = Ctrl_C;
6580 return;
6581 }
6582 #endif
6583 /* Don't quit while editing the command line. */
6584 if (text_locked())
6585 {
6586 text_locked_msg();
6587 return;
6588 }
6589 #ifdef FEAT_AUTOCMD
6590 if (curbuf_locked())
6591 return;
6592 #endif
6593
6594 /*
6595 * if more files or windows we won't exit
6596 */
6597 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6598 exiting = TRUE;
6599 if ( ((eap->cmdidx == CMD_wq
6600 || curbufIsChanged())
6601 && do_write(eap) == FAIL)
6602 || check_more(TRUE, eap->forceit) == FAIL
6603 || (only_one_window() && check_changed_any(eap->forceit)))
6604 {
6605 not_exiting();
6606 }
6607 else
6608 {
6609 #ifdef FEAT_WINDOWS
6610 if (only_one_window()) /* quit last window, exit Vim */
6611 #endif
6612 getout(0);
6613 #ifdef FEAT_WINDOWS
6614 # ifdef FEAT_GUI
6615 need_mouse_correct = TRUE;
6616 # endif
6617 /* quit current window, may free buffer */
6618 win_close(curwin, !P_HID(curwin->w_buffer));
6619 #endif
6620 }
6621 }
6622
6623 /*
6624 * ":print", ":list", ":number".
6625 */
6626 static void
6627 ex_print(eap)
6628 exarg_T *eap;
6629 {
6630 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6631 EMSG(_(e_emptybuf));
6632 else
6633 {
6634 for ( ;!got_int; ui_breakcheck())
6635 {
6636 print_line(eap->line1,
6637 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6638 || (eap->flags & EXFLAG_NR)),
6639 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6640 if (++eap->line1 > eap->line2)
6641 break;
6642 out_flush(); /* show one line at a time */
6643 }
6644 setpcmark();
6645 /* put cursor at last line */
6646 curwin->w_cursor.lnum = eap->line2;
6647 beginline(BL_SOL | BL_FIX);
6648 }
6649
6650 ex_no_reprint = TRUE;
6651 }
6652
6653 #ifdef FEAT_BYTEOFF
6654 static void
6655 ex_goto(eap)
6656 exarg_T *eap;
6657 {
6658 goto_byte(eap->line2);
6659 }
6660 #endif
6661
6662 /*
6663 * ":shell".
6664 */
6665 /*ARGSUSED*/
6666 static void
6667 ex_shell(eap)
6668 exarg_T *eap;
6669 {
6670 do_shell(NULL, 0);
6671 }
6672
6673 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6674 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6675 || defined(FEAT_GUI_MSWIN) \
6676 || defined(FEAT_GUI_MAC) \
6677 || defined(PROTO) \
6678 || defined(FEAT_GUI_MACVIM)
6679
6680 /*
6681 * Handle a file drop. The code is here because a drop is *nearly* like an
6682 * :args command, but not quite (we have a list of exact filenames, so we
6683 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6684 * code is very similar to :args and hence needs access to a lot of the static
6685 * functions in this file.
6686 *
6687 * The list should be allocated using alloc(), as should each item in the
6688 * list. This function takes over responsibility for freeing the list.
6689 *
6690 * XXX The list is made into the arggument list. This is freed using
6691 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6692 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6693 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6694 * file functionality is (currently) not in EMX this is not presently a
6695 * problem.
6696 */
6697 void
6698 handle_drop(filec, filev, split)
6699 int filec; /* the number of files dropped */
6700 char_u **filev; /* the list of files dropped */
6701 int split; /* force splitting the window */
6702 {
6703 exarg_T ea;
6704 int save_msg_scroll = msg_scroll;
6705
6706 /* Postpone this while editing the command line. */
6707 if (text_locked())
6708 return;
6709 #ifdef FEAT_AUTOCMD
6710 if (curbuf_locked())
6711 return;
6712 #endif
6713
6714 /* Check whether the current buffer is changed. If so, we will need
6715 * to split the current window or data could be lost.
6716 * We don't need to check if the 'hidden' option is set, as in this
6717 * case the buffer won't be lost.
6718 */
6719 if (!P_HID(curbuf) && !split)
6720 {
6721 ++emsg_off;
6722 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6723 --emsg_off;
6724 }
6725 if (split)
6726 {
6727 # ifdef FEAT_WINDOWS
6728 if (win_split(0, 0) == FAIL)
6729 return;
6730 # ifdef FEAT_SCROLLBIND
6731 curwin->w_p_scb = FALSE;
6732 # endif
6733
6734 /* When splitting the window, create a new alist. Otherwise the
6735 * existing one is overwritten. */
6736 alist_unlink(curwin->w_alist);
6737 alist_new();
6738 # else
6739 return; /* can't split, always fail */
6740 # endif
6741 }
6742
6743 /*
6744 * Set up the new argument list.
6745 */
6746 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6747
6748 /*
6749 * Move to the first file.
6750 */
6751 /* Fake up a minimal "next" command for do_argfile() */
6752 vim_memset(&ea, 0, sizeof(ea));
6753 ea.cmd = (char_u *)"next";
6754 do_argfile(&ea, 0);
6755
6756 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6757 * mode that is not needed here. */
6758 need_start_insertmode = FALSE;
6759
6760 /* Restore msg_scroll, otherwise a following command may cause scrolling
6761 * unexpectedly. The screen will be redrawn by the caller, thus
6762 * msg_scroll being set by displaying a message is irrelevant. */
6763 msg_scroll = save_msg_scroll;
6764 }
6765 #endif
6766
6767 /*
6768 * Clear an argument list: free all file names and reset it to zero entries.
6769 */
6770 void
6771 alist_clear(al)
6772 alist_T *al;
6773 {
6774 while (--al->al_ga.ga_len >= 0)
6775 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6776 ga_clear(&al->al_ga);
6777 }
6778
6779 /*
6780 * Init an argument list.
6781 */
6782 void
6783 alist_init(al)
6784 alist_T *al;
6785 {
6786 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6787 }
6788
6789 #if defined(FEAT_WINDOWS) || defined(PROTO)
6790
6791 /*
6792 * Remove a reference from an argument list.
6793 * Ignored when the argument list is the global one.
6794 * If the argument list is no longer used by any window, free it.
6795 */
6796 void
6797 alist_unlink(al)
6798 alist_T *al;
6799 {
6800 if (al != &global_alist && --al->al_refcount <= 0)
6801 {
6802 alist_clear(al);
6803 vim_free(al);
6804 }
6805 }
6806
6807 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6808 /*
6809 * Create a new argument list and use it for the current window.
6810 */
6811 void
6812 alist_new()
6813 {
6814 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6815 if (curwin->w_alist == NULL)
6816 {
6817 curwin->w_alist = &global_alist;
6818 ++global_alist.al_refcount;
6819 }
6820 else
6821 {
6822 curwin->w_alist->al_refcount = 1;
6823 alist_init(curwin->w_alist);
6824 }
6825 }
6826 # endif
6827 #endif
6828
6829 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6830 /*
6831 * Expand the file names in the global argument list.
6832 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6833 * numbers to be re-used.
6834 */
6835 void
6836 alist_expand(fnum_list, fnum_len)
6837 int *fnum_list;
6838 int fnum_len;
6839 {
6840 char_u **old_arg_files;
6841 int old_arg_count;
6842 char_u **new_arg_files;
6843 int new_arg_file_count;
6844 char_u *save_p_su = p_su;
6845 int i;
6846
6847 /* Don't use 'suffixes' here. This should work like the shell did the
6848 * expansion. Also, the vimrc file isn't read yet, thus the user
6849 * can't set the options. */
6850 p_su = empty_option;
6851 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6852 if (old_arg_files != NULL)
6853 {
6854 for (i = 0; i < GARGCOUNT; ++i)
6855 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6856 old_arg_count = GARGCOUNT;
6857 if (expand_wildcards(old_arg_count, old_arg_files,
6858 &new_arg_file_count, &new_arg_files,
6859 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6860 && new_arg_file_count > 0)
6861 {
6862 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6863 TRUE, fnum_list, fnum_len);
6864 FreeWild(old_arg_count, old_arg_files);
6865 }
6866 }
6867 p_su = save_p_su;
6868 }
6869 #endif
6870
6871 /*
6872 * Set the argument list for the current window.
6873 * Takes over the allocated files[] and the allocated fnames in it.
6874 */
6875 void
6876 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6877 alist_T *al;
6878 int count;
6879 char_u **files;
6880 int use_curbuf;
6881 int *fnum_list;
6882 int fnum_len;
6883 {
6884 int i;
6885
6886 alist_clear(al);
6887 if (ga_grow(&al->al_ga, count) == OK)
6888 {
6889 for (i = 0; i < count; ++i)
6890 {
6891 if (got_int)
6892 {
6893 /* When adding many buffers this can take a long time. Allow
6894 * interrupting here. */
6895 while (i < count)
6896 vim_free(files[i++]);
6897 break;
6898 }
6899
6900 /* May set buffer name of a buffer previously used for the
6901 * argument list, so that it's re-used by alist_add. */
6902 if (fnum_list != NULL && i < fnum_len)
6903 buf_set_name(fnum_list[i], files[i]);
6904
6905 alist_add(al, files[i], use_curbuf ? 2 : 1);
6906 ui_breakcheck();
6907 }
6908 vim_free(files);
6909 }
6910 else
6911 FreeWild(count, files);
6912 #ifdef FEAT_WINDOWS
6913 if (al == &global_alist)
6914 #endif
6915 arg_had_last = FALSE;
6916 }
6917
6918 /*
6919 * Add file "fname" to argument list "al".
6920 * "fname" must have been allocated and "al" must have been checked for room.
6921 */
6922 void
6923 alist_add(al, fname, set_fnum)
6924 alist_T *al;
6925 char_u *fname;
6926 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6927 {
6928 if (fname == NULL) /* don't add NULL file names */
6929 return;
6930 #ifdef BACKSLASH_IN_FILENAME
6931 slash_adjust(fname);
6932 #endif
6933 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6934 if (set_fnum > 0)
6935 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6936 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6937 ++al->al_ga.ga_len;
6938 }
6939
6940 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6941 /*
6942 * Adjust slashes in file names. Called after 'shellslash' was set.
6943 */
6944 void
6945 alist_slash_adjust()
6946 {
6947 int i;
6948 # ifdef FEAT_WINDOWS
6949 win_T *wp;
6950 tabpage_T *tp;
6951 # endif
6952
6953 for (i = 0; i < GARGCOUNT; ++i)
6954 if (GARGLIST[i].ae_fname != NULL)
6955 slash_adjust(GARGLIST[i].ae_fname);
6956 # ifdef FEAT_WINDOWS
6957 FOR_ALL_TAB_WINDOWS(tp, wp)
6958 if (wp->w_alist != &global_alist)
6959 for (i = 0; i < WARGCOUNT(wp); ++i)
6960 if (WARGLIST(wp)[i].ae_fname != NULL)
6961 slash_adjust(WARGLIST(wp)[i].ae_fname);
6962 # endif
6963 }
6964 #endif
6965
6966 /*
6967 * ":preserve".
6968 */
6969 /*ARGSUSED*/
6970 static void
6971 ex_preserve(eap)
6972 exarg_T *eap;
6973 {
6974 curbuf->b_flags |= BF_PRESERVED;
6975 ml_preserve(curbuf, TRUE);
6976 }
6977
6978 /*
6979 * ":recover".
6980 */
6981 static void
6982 ex_recover(eap)
6983 exarg_T *eap;
6984 {
6985 /* Set recoverymode right away to avoid the ATTENTION prompt. */
6986 recoverymode = TRUE;
6987 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
6988 && (*eap->arg == NUL
6989 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
6990 ml_recover();
6991 recoverymode = FALSE;
6992 }
6993
6994 /*
6995 * Command modifier used in a wrong way.
6996 */
6997 static void
6998 ex_wrongmodifier(eap)
6999 exarg_T *eap;
7000 {
7001 eap->errmsg = e_invcmd;
7002 }
7003
7004 #ifdef FEAT_WINDOWS
7005 /*
7006 * :sview [+command] file split window with new file, read-only
7007 * :split [[+command] file] split window with current or new file
7008 * :vsplit [[+command] file] split window vertically with current or new file
7009 * :new [[+command] file] split window with no or new file
7010 * :vnew [[+command] file] split vertically window with no or new file
7011 * :sfind [+command] file split window with file in 'path'
7012 *
7013 * :tabedit open new Tab page with empty window
7014 * :tabedit [+command] file open new Tab page and edit "file"
7015 * :tabnew [[+command] file] just like :tabedit
7016 * :tabfind [+command] file open new Tab page and find "file"
7017 */
7018 void
7019 ex_splitview(eap)
7020 exarg_T *eap;
7021 {
7022 win_T *old_curwin = curwin;
7023 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7024 char_u *fname = NULL;
7025 # endif
7026 # ifdef FEAT_BROWSE
7027 int browse_flag = cmdmod.browse;
7028 # endif
7029
7030 # ifndef FEAT_VERTSPLIT
7031 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7032 {
7033 ex_ni(eap);
7034 return;
7035 }
7036 # endif
7037
7038 # ifdef FEAT_GUI
7039 need_mouse_correct = TRUE;
7040 # endif
7041
7042 # ifdef FEAT_QUICKFIX
7043 /* A ":split" in the quickfix window works like ":new". Don't want two
7044 * quickfix windows. */
7045 if (bt_quickfix(curbuf))
7046 {
7047 if (eap->cmdidx == CMD_split)
7048 eap->cmdidx = CMD_new;
7049 # ifdef FEAT_VERTSPLIT
7050 if (eap->cmdidx == CMD_vsplit)
7051 eap->cmdidx = CMD_vnew;
7052 # endif
7053 }
7054 # endif
7055
7056 # ifdef FEAT_SEARCHPATH
7057 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7058 {
7059 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7060 FNAME_MESS, TRUE, curbuf->b_ffname);
7061 if (fname == NULL)
7062 goto theend;
7063 eap->arg = fname;
7064 }
7065 # ifdef FEAT_BROWSE
7066 else
7067 # endif
7068 # endif
7069 # ifdef FEAT_BROWSE
7070 if (cmdmod.browse
7071 # ifdef FEAT_VERTSPLIT
7072 && eap->cmdidx != CMD_vnew
7073 # endif
7074 && eap->cmdidx != CMD_new)
7075 {
7076 if (
7077 # ifdef FEAT_GUI
7078 !gui.in_use &&
7079 # endif
7080 au_has_group((char_u *)"FileExplorer"))
7081 {
7082 /* No browsing supported but we do have the file explorer:
7083 * Edit the directory. */
7084 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7085 eap->arg = (char_u *)".";
7086 }
7087 else
7088 {
7089 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7090 eap->arg, NULL, NULL, NULL, curbuf);
7091 if (fname == NULL)
7092 goto theend;
7093 eap->arg = fname;
7094 }
7095 }
7096 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7097 # endif
7098
7099 /*
7100 * Either open new tab page or split the window.
7101 */
7102 if (eap->cmdidx == CMD_tabedit
7103 || eap->cmdidx == CMD_tabfind
7104 || eap->cmdidx == CMD_tabnew)
7105 {
7106 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7107 : eap->addr_count == 0 ? 0
7108 : (int)eap->line2 + 1) != FAIL)
7109 {
7110 do_exedit(eap, NULL);
7111
7112 /* set the alternate buffer for the window we came from */
7113 if (curwin != old_curwin
7114 && win_valid(old_curwin)
7115 && old_curwin->w_buffer != curbuf
7116 && !cmdmod.keepalt)
7117 old_curwin->w_alt_fnum = curbuf->b_fnum;
7118 }
7119 }
7120 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7121 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7122 {
7123 # ifdef FEAT_SCROLLBIND
7124 /* Reset 'scrollbind' when editing another file, but keep it when
7125 * doing ":split" without arguments. */
7126 if (*eap->arg != NUL
7127 # ifdef FEAT_BROWSE
7128 || cmdmod.browse
7129 # endif
7130 )
7131 curwin->w_p_scb = FALSE;
7132 else
7133 do_check_scrollbind(FALSE);
7134 # endif
7135 do_exedit(eap, old_curwin);
7136 }
7137
7138 # ifdef FEAT_BROWSE
7139 cmdmod.browse = browse_flag;
7140 # endif
7141
7142 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7143 theend:
7144 vim_free(fname);
7145 # endif
7146 }
7147
7148 #if defined(FEAT_MOUSE) || defined(PROTO)
7149 /*
7150 * Open a new tab page.
7151 */
7152 void
7153 tabpage_new()
7154 {
7155 exarg_T ea;
7156
7157 vim_memset(&ea, 0, sizeof(ea));
7158 ea.cmdidx = CMD_tabnew;
7159 ea.cmd = (char_u *)"tabn";
7160 ea.arg = (char_u *)"";
7161 ex_splitview(&ea);
7162 }
7163 #endif
7164
7165 /*
7166 * :tabnext command
7167 */
7168 static void
7169 ex_tabnext(eap)
7170 exarg_T *eap;
7171 {
7172 switch (eap->cmdidx)
7173 {
7174 case CMD_tabfirst:
7175 case CMD_tabrewind:
7176 goto_tabpage(1);
7177 break;
7178 case CMD_tablast:
7179 goto_tabpage(9999);
7180 break;
7181 case CMD_tabprevious:
7182 case CMD_tabNext:
7183 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7184 break;
7185 default: /* CMD_tabnext */
7186 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7187 break;
7188 }
7189 }
7190
7191 /*
7192 * :tabmove command
7193 */
7194 static void
7195 ex_tabmove(eap)
7196 exarg_T *eap;
7197 {
7198 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7199 }
7200
7201 /*
7202 * :tabs command: List tabs and their contents.
7203 */
7204 /*ARGSUSED*/
7205 static void
7206 ex_tabs(eap)
7207 exarg_T *eap;
7208 {
7209 tabpage_T *tp;
7210 win_T *wp;
7211 int tabcount = 1;
7212
7213 msg_start();
7214 msg_scroll = TRUE;
7215 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7216 {
7217 msg_putchar('\n');
7218 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7219 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7220 out_flush(); /* output one line at a time */
7221 ui_breakcheck();
7222
7223 if (tp == curtab)
7224 wp = firstwin;
7225 else
7226 wp = tp->tp_firstwin;
7227 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7228 {
7229 msg_putchar('\n');
7230 msg_putchar(wp == curwin ? '>' : ' ');
7231 msg_putchar(' ');
7232 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7233 msg_putchar(' ');
7234 if (buf_spname(wp->w_buffer) != NULL)
7235 STRCPY(IObuff, buf_spname(wp->w_buffer));
7236 else
7237 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7238 IObuff, IOSIZE, TRUE);
7239 msg_outtrans(IObuff);
7240 out_flush(); /* output one line at a time */
7241 ui_breakcheck();
7242 }
7243 }
7244 }
7245
7246 #endif /* FEAT_WINDOWS */
7247
7248 /*
7249 * ":mode": Set screen mode.
7250 * If no argument given, just get the screen size and redraw.
7251 */
7252 static void
7253 ex_mode(eap)
7254 exarg_T *eap;
7255 {
7256 if (*eap->arg == NUL)
7257 shell_resized();
7258 else
7259 mch_screenmode(eap->arg);
7260 }
7261
7262 #ifdef FEAT_WINDOWS
7263 /*
7264 * ":resize".
7265 * set, increment or decrement current window height
7266 */
7267 static void
7268 ex_resize(eap)
7269 exarg_T *eap;
7270 {
7271 int n;
7272 win_T *wp = curwin;
7273
7274 if (eap->addr_count > 0)
7275 {
7276 n = eap->line2;
7277 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7278 ;
7279 }
7280
7281 #ifdef FEAT_GUI
7282 need_mouse_correct = TRUE;
7283 #endif
7284 n = atol((char *)eap->arg);
7285 #ifdef FEAT_VERTSPLIT
7286 if (cmdmod.split & WSP_VERT)
7287 {
7288 if (*eap->arg == '-' || *eap->arg == '+')
7289 n += W_WIDTH(curwin);
7290 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7291 n = 9999;
7292 win_setwidth_win((int)n, wp);
7293 }
7294 else
7295 #endif
7296 {
7297 if (*eap->arg == '-' || *eap->arg == '+')
7298 n += curwin->w_height;
7299 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7300 n = 9999;
7301 win_setheight_win((int)n, wp);
7302 }
7303 }
7304 #endif
7305
7306 /*
7307 * ":find [+command] <file>" command.
7308 */
7309 static void
7310 ex_find(eap)
7311 exarg_T *eap;
7312 {
7313 #ifdef FEAT_SEARCHPATH
7314 char_u *fname;
7315 int count;
7316
7317 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7318 TRUE, curbuf->b_ffname);
7319 if (eap->addr_count > 0)
7320 {
7321 /* Repeat finding the file "count" times. This matters when it
7322 * appears several times in the path. */
7323 count = eap->line2;
7324 while (fname != NULL && --count > 0)
7325 {
7326 vim_free(fname);
7327 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7328 FALSE, curbuf->b_ffname);
7329 }
7330 }
7331
7332 if (fname != NULL)
7333 {
7334 eap->arg = fname;
7335 #endif
7336 do_exedit(eap, NULL);
7337 #ifdef FEAT_SEARCHPATH
7338 vim_free(fname);
7339 }
7340 #endif
7341 }
7342
7343 /*
7344 * ":open" simulation: for now just work like ":visual".
7345 */
7346 static void
7347 ex_open(eap)
7348 exarg_T *eap;
7349 {
7350 regmatch_T regmatch;
7351 char_u *p;
7352
7353 curwin->w_cursor.lnum = eap->line2;
7354 beginline(BL_SOL | BL_FIX);
7355 if (*eap->arg == '/')
7356 {
7357 /* ":open /pattern/": put cursor in column found with pattern */
7358 ++eap->arg;
7359 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7360 *p = NUL;
7361 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7362 if (regmatch.regprog != NULL)
7363 {
7364 regmatch.rm_ic = p_ic;
7365 p = ml_get_curline();
7366 if (vim_regexec(&regmatch, p, (colnr_T)0))
7367 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7368 else
7369 EMSG(_(e_nomatch));
7370 vim_free(regmatch.regprog);
7371 }
7372 /* Move to the NUL, ignore any other arguments. */
7373 eap->arg += STRLEN(eap->arg);
7374 }
7375 check_cursor();
7376
7377 eap->cmdidx = CMD_visual;
7378 do_exedit(eap, NULL);
7379 }
7380
7381 /*
7382 * ":edit", ":badd", ":visual".
7383 */
7384 static void
7385 ex_edit(eap)
7386 exarg_T *eap;
7387 {
7388 do_exedit(eap, NULL);
7389 }
7390
7391 /*
7392 * ":edit <file>" command and alikes.
7393 */
7394 /*ARGSUSED*/
7395 void
7396 do_exedit(eap, old_curwin)
7397 exarg_T *eap;
7398 win_T *old_curwin; /* curwin before doing a split or NULL */
7399 {
7400 int n;
7401 #ifdef FEAT_WINDOWS
7402 int need_hide;
7403 #endif
7404 int exmode_was = exmode_active;
7405
7406 /*
7407 * ":vi" command ends Ex mode.
7408 */
7409 if (exmode_active && (eap->cmdidx == CMD_visual
7410 || eap->cmdidx == CMD_view))
7411 {
7412 exmode_active = FALSE;
7413 if (*eap->arg == NUL)
7414 {
7415 /* Special case: ":global/pat/visual\NLvi-commands" */
7416 if (global_busy)
7417 {
7418 int rd = RedrawingDisabled;
7419 int nwr = no_wait_return;
7420 int ms = msg_scroll;
7421 #ifdef FEAT_GUI
7422 int he = hold_gui_events;
7423 #endif
7424
7425 if (eap->nextcmd != NULL)
7426 {
7427 stuffReadbuff(eap->nextcmd);
7428 eap->nextcmd = NULL;
7429 }
7430
7431 if (exmode_was != EXMODE_VIM)
7432 settmode(TMODE_RAW);
7433 RedrawingDisabled = 0;
7434 no_wait_return = 0;
7435 need_wait_return = FALSE;
7436 msg_scroll = 0;
7437 #ifdef FEAT_GUI
7438 hold_gui_events = 0;
7439 #endif
7440 must_redraw = CLEAR;
7441
7442 main_loop(FALSE, TRUE);
7443
7444 RedrawingDisabled = rd;
7445 no_wait_return = nwr;
7446 msg_scroll = ms;
7447 #ifdef FEAT_GUI
7448 hold_gui_events = he;
7449 #endif
7450 }
7451 return;
7452 }
7453 }
7454
7455 if ((eap->cmdidx == CMD_new
7456 || eap->cmdidx == CMD_tabnew
7457 || eap->cmdidx == CMD_tabedit
7458 #ifdef FEAT_VERTSPLIT
7459 || eap->cmdidx == CMD_vnew
7460 #endif
7461 ) && *eap->arg == NUL)
7462 {
7463 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7464 setpcmark();
7465 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7466 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7467 }
7468 else if ((eap->cmdidx != CMD_split
7469 #ifdef FEAT_VERTSPLIT
7470 && eap->cmdidx != CMD_vsplit
7471 #endif
7472 )
7473 || *eap->arg != NUL
7474 #ifdef FEAT_BROWSE
7475 || cmdmod.browse
7476 #endif
7477 )
7478 {
7479 #ifdef FEAT_AUTOCMD
7480 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7481 * can bring us here, others are stopped earlier. */
7482 if (*eap->arg != NUL && curbuf_locked())
7483 return;
7484 #endif
7485 n = readonlymode;
7486 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7487 readonlymode = TRUE;
7488 else if (eap->cmdidx == CMD_enew)
7489 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7490 empty buffer */
7491 setpcmark();
7492 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7493 NULL, eap,
7494 /* ":edit" goes to first line if Vi compatible */
7495 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7496 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7497 ? ECMD_ONE : eap->do_ecmd_lnum,
7498 (P_HID(curbuf) ? ECMD_HIDE : 0)
7499 + (eap->forceit ? ECMD_FORCEIT : 0)
7500 #ifdef FEAT_LISTCMDS
7501 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7502 #endif
7503 ) == FAIL)
7504 {
7505 /* Editing the file failed. If the window was split, close it. */
7506 #ifdef FEAT_WINDOWS
7507 if (old_curwin != NULL)
7508 {
7509 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7510 if (!need_hide || P_HID(curbuf))
7511 {
7512 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7513 cleanup_T cs;
7514
7515 /* Reset the error/interrupt/exception state here so that
7516 * aborting() returns FALSE when closing a window. */
7517 enter_cleanup(&cs);
7518 # endif
7519 # ifdef FEAT_GUI
7520 need_mouse_correct = TRUE;
7521 # endif
7522 win_close(curwin, !need_hide && !P_HID(curbuf));
7523
7524 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7525 /* Restore the error/interrupt/exception state if not
7526 * discarded by a new aborting error, interrupt, or
7527 * uncaught exception. */
7528 leave_cleanup(&cs);
7529 # endif
7530 }
7531 }
7532 #endif
7533 }
7534 else if (readonlymode && curbuf->b_nwindows == 1)
7535 {
7536 /* When editing an already visited buffer, 'readonly' won't be set
7537 * but the previous value is kept. With ":view" and ":sview" we
7538 * want the file to be readonly, except when another window is
7539 * editing the same buffer. */
7540 curbuf->b_p_ro = TRUE;
7541 }
7542 readonlymode = n;
7543 }
7544 else
7545 {
7546 if (eap->do_ecmd_cmd != NULL)
7547 do_cmdline_cmd(eap->do_ecmd_cmd);
7548 #ifdef FEAT_TITLE
7549 n = curwin->w_arg_idx_invalid;
7550 #endif
7551 check_arg_idx(curwin);
7552 #ifdef FEAT_TITLE
7553 if (n != curwin->w_arg_idx_invalid)
7554 maketitle();
7555 #endif
7556 }
7557
7558 #ifdef FEAT_WINDOWS
7559 /*
7560 * if ":split file" worked, set alternate file name in old window to new
7561 * file
7562 */
7563 if (old_curwin != NULL
7564 && *eap->arg != NUL
7565 && curwin != old_curwin
7566 && win_valid(old_curwin)
7567 && old_curwin->w_buffer != curbuf
7568 && !cmdmod.keepalt)
7569 old_curwin->w_alt_fnum = curbuf->b_fnum;
7570 #endif
7571
7572 ex_no_reprint = TRUE;
7573 }
7574
7575 #ifndef FEAT_GUI
7576 /*
7577 * ":gui" and ":gvim" when there is no GUI.
7578 */
7579 static void
7580 ex_nogui(eap)
7581 exarg_T *eap;
7582 {
7583 eap->errmsg = e_nogvim;
7584 }
7585 #endif
7586
7587 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7588 static void
7589 ex_tearoff(eap)
7590 exarg_T *eap;
7591 {
7592 gui_make_tearoff(eap->arg);
7593 }
7594 #endif
7595
7596 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7597 || defined(FEAT_GUI_MACVIM))
7598 static void
7599 ex_popup(eap)
7600 exarg_T *eap;
7601 {
7602 gui_make_popup(eap->arg, eap->forceit);
7603 }
7604 #endif
7605
7606 /*ARGSUSED*/
7607 static void
7608 ex_swapname(eap)
7609 exarg_T *eap;
7610 {
7611 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7612 MSG(_("No swap file"));
7613 else
7614 msg(curbuf->b_ml.ml_mfp->mf_fname);
7615 }
7616
7617 /*
7618 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7619 * offset.
7620 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7621 */
7622 /*ARGSUSED*/
7623 static void
7624 ex_syncbind(eap)
7625 exarg_T *eap;
7626 {
7627 #ifdef FEAT_SCROLLBIND
7628 win_T *wp;
7629 long topline;
7630 long y;
7631 linenr_T old_linenr = curwin->w_cursor.lnum;
7632
7633 setpcmark();
7634
7635 /*
7636 * determine max topline
7637 */
7638 if (curwin->w_p_scb)
7639 {
7640 topline = curwin->w_topline;
7641 for (wp = firstwin; wp; wp = wp->w_next)
7642 {
7643 if (wp->w_p_scb && wp->w_buffer)
7644 {
7645 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7646 if (topline > y)
7647 topline = y;
7648 }
7649 }
7650 if (topline < 1)
7651 topline = 1;
7652 }
7653 else
7654 {
7655 topline = 1;
7656 }
7657
7658
7659 /*
7660 * set all scrollbind windows to the same topline
7661 */
7662 wp = curwin;
7663 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7664 {
7665 if (curwin->w_p_scb)
7666 {
7667 y = topline - curwin->w_topline;
7668 if (y > 0)
7669 scrollup(y, TRUE);
7670 else
7671 scrolldown(-y, TRUE);
7672 curwin->w_scbind_pos = topline;
7673 redraw_later(VALID);
7674 cursor_correct();
7675 #ifdef FEAT_WINDOWS
7676 curwin->w_redr_status = TRUE;
7677 #endif
7678 }
7679 }
7680 curwin = wp;
7681 if (curwin->w_p_scb)
7682 {
7683 did_syncbind = TRUE;
7684 checkpcmark();
7685 if (old_linenr != curwin->w_cursor.lnum)
7686 {
7687 char_u ctrl_o[2];
7688
7689 ctrl_o[0] = Ctrl_O;
7690 ctrl_o[1] = 0;
7691 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7692 }
7693 }
7694 #endif
7695 }
7696
7697
7698 static void
7699 ex_read(eap)
7700 exarg_T *eap;
7701 {
7702 int i;
7703 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7704 linenr_T lnum;
7705
7706 if (eap->usefilter) /* :r!cmd */
7707 do_bang(1, eap, FALSE, FALSE, TRUE);
7708 else
7709 {
7710 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7711 return;
7712
7713 #ifdef FEAT_BROWSE
7714 if (cmdmod.browse)
7715 {
7716 char_u *browseFile;
7717
7718 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7719 NULL, NULL, NULL, curbuf);
7720 if (browseFile != NULL)
7721 {
7722 i = readfile(browseFile, NULL,
7723 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7724 vim_free(browseFile);
7725 }
7726 else
7727 i = OK;
7728 }
7729 else
7730 #endif
7731 if (*eap->arg == NUL)
7732 {
7733 if (check_fname() == FAIL) /* check for no file name */
7734 return;
7735 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7736 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7737 }
7738 else
7739 {
7740 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7741 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7742 i = readfile(eap->arg, NULL,
7743 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7744
7745 }
7746 if (i == FAIL)
7747 {
7748 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7749 if (!aborting())
7750 #endif
7751 EMSG2(_(e_notopen), eap->arg);
7752 }
7753 else
7754 {
7755 if (empty && exmode_active)
7756 {
7757 /* Delete the empty line that remains. Historically ex does
7758 * this but vi doesn't. */
7759 if (eap->line2 == 0)
7760 lnum = curbuf->b_ml.ml_line_count;
7761 else
7762 lnum = 1;
7763 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7764 {
7765 ml_delete(lnum, FALSE);
7766 deleted_lines_mark(lnum, 1L);
7767 if (curwin->w_cursor.lnum > 1
7768 && curwin->w_cursor.lnum >= lnum)
7769 --curwin->w_cursor.lnum;
7770 }
7771 }
7772 redraw_curbuf_later(VALID);
7773 }
7774 }
7775 }
7776
7777 static char_u *prev_dir = NULL;
7778
7779 #if defined(EXITFREE) || defined(PROTO)
7780 void
7781 free_cd_dir()
7782 {
7783 vim_free(prev_dir);
7784 }
7785 #endif
7786
7787
7788 /*
7789 * ":cd", ":lcd", ":chdir" and ":lchdir".
7790 */
7791 void
7792 ex_cd(eap)
7793 exarg_T *eap;
7794 {
7795 char_u *new_dir;
7796 char_u *tofree;
7797
7798 new_dir = eap->arg;
7799 #if !defined(UNIX) && !defined(VMS)
7800 /* for non-UNIX ":cd" means: print current directory */
7801 if (*new_dir == NUL)
7802 ex_pwd(NULL);
7803 else
7804 #endif
7805 {
7806 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7807 && !eap->forceit)
7808 {
7809 EMSG(_("E747: Cannot change directory, buffer is modifed (add ! to override)"));
7810 return;
7811 }
7812
7813 /* ":cd -": Change to previous directory */
7814 if (STRCMP(new_dir, "-") == 0)
7815 {
7816 if (prev_dir == NULL)
7817 {
7818 EMSG(_("E186: No previous directory"));
7819 return;
7820 }
7821 new_dir = prev_dir;
7822 }
7823
7824 /* Save current directory for next ":cd -" */
7825 tofree = prev_dir;
7826 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7827 prev_dir = vim_strsave(NameBuff);
7828 else
7829 prev_dir = NULL;
7830
7831 #if defined(UNIX) || defined(VMS)
7832 /* for UNIX ":cd" means: go to home directory */
7833 if (*new_dir == NUL)
7834 {
7835 /* use NameBuff for home directory name */
7836 # ifdef VMS
7837 char_u *p;
7838
7839 p = mch_getenv((char_u *)"SYS$LOGIN");
7840 if (p == NULL || *p == NUL) /* empty is the same as not set */
7841 NameBuff[0] = NUL;
7842 else
7843 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7844 # else
7845 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7846 # endif
7847 new_dir = NameBuff;
7848 }
7849 #endif
7850 if (new_dir == NULL || vim_chdir(new_dir))
7851 EMSG(_(e_failed));
7852 else
7853 {
7854 vim_free(curwin->w_localdir);
7855 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7856 {
7857 /* If still in global directory, need to remember current
7858 * directory as global directory. */
7859 if (globaldir == NULL && prev_dir != NULL)
7860 globaldir = vim_strsave(prev_dir);
7861 /* Remember this local directory for the window. */
7862 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7863 curwin->w_localdir = vim_strsave(NameBuff);
7864 }
7865 else
7866 {
7867 /* We are now in the global directory, no need to remember its
7868 * name. */
7869 vim_free(globaldir);
7870 globaldir = NULL;
7871 curwin->w_localdir = NULL;
7872 }
7873
7874 shorten_fnames(TRUE);
7875
7876 /* Echo the new current directory if the command was typed. */
7877 if (KeyTyped)
7878 ex_pwd(eap);
7879 }
7880 vim_free(tofree);
7881 }
7882 }
7883
7884 /*
7885 * ":pwd".
7886 */
7887 /*ARGSUSED*/
7888 static void
7889 ex_pwd(eap)
7890 exarg_T *eap;
7891 {
7892 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7893 {
7894 #ifdef BACKSLASH_IN_FILENAME
7895 slash_adjust(NameBuff);
7896 #endif
7897 msg(NameBuff);
7898 }
7899 else
7900 EMSG(_("E187: Unknown"));
7901 }
7902
7903 /*
7904 * ":=".
7905 */
7906 static void
7907 ex_equal(eap)
7908 exarg_T *eap;
7909 {
7910 smsg((char_u *)"%ld", (long)eap->line2);
7911 ex_may_print(eap);
7912 }
7913
7914 static void
7915 ex_sleep(eap)
7916 exarg_T *eap;
7917 {
7918 int n;
7919 long len;
7920
7921 if (cursor_valid())
7922 {
7923 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7924 if (n >= 0)
7925 windgoto((int)n, curwin->w_wcol);
7926 }
7927
7928 len = eap->line2;
7929 switch (*eap->arg)
7930 {
7931 case 'm': break;
7932 case NUL: len *= 1000L; break;
7933 default: EMSG2(_(e_invarg2), eap->arg); return;
7934 }
7935 do_sleep(len);
7936 }
7937
7938 /*
7939 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7940 */
7941 void
7942 do_sleep(msec)
7943 long msec;
7944 {
7945 long done;
7946
7947 cursor_on();
7948 out_flush();
7949 for (done = 0; !got_int && done < msec; done += 1000L)
7950 {
7951 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7952 ui_breakcheck();
7953 }
7954 }
7955
7956 static void
7957 do_exmap(eap, isabbrev)
7958 exarg_T *eap;
7959 int isabbrev;
7960 {
7961 int mode;
7962 char_u *cmdp;
7963
7964 cmdp = eap->cmd;
7965 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7966
7967 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7968 eap->arg, mode, isabbrev))
7969 {
7970 case 1: EMSG(_(e_invarg));
7971 break;
7972 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
7973 break;
7974 }
7975 }
7976
7977 /*
7978 * ":winsize" command (obsolete).
7979 */
7980 static void
7981 ex_winsize(eap)
7982 exarg_T *eap;
7983 {
7984 int w, h;
7985 char_u *arg = eap->arg;
7986 char_u *p;
7987
7988 w = getdigits(&arg);
7989 arg = skipwhite(arg);
7990 p = arg;
7991 h = getdigits(&arg);
7992 if (*p != NUL && *arg == NUL)
7993 set_shellsize(w, h, TRUE);
7994 else
7995 EMSG(_("E465: :winsize requires two number arguments"));
7996 }
7997
7998 #ifdef FEAT_WINDOWS
7999 static void
8000 ex_wincmd(eap)
8001 exarg_T *eap;
8002 {
8003 int xchar = NUL;
8004 char_u *p;
8005
8006 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8007 {
8008 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8009 if (eap->arg[1] == NUL)
8010 {
8011 EMSG(_(e_invarg));
8012 return;
8013 }
8014 xchar = eap->arg[1];
8015 p = eap->arg + 2;
8016 }
8017 else
8018 p = eap->arg + 1;
8019
8020 eap->nextcmd = check_nextcmd(p);
8021 p = skipwhite(p);
8022 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8023 EMSG(_(e_invarg));
8024 else
8025 {
8026 /* Pass flags on for ":vertical wincmd ]". */
8027 postponed_split_flags = cmdmod.split;
8028 postponed_split_tab = cmdmod.tab;
8029 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8030 postponed_split_flags = 0;
8031 postponed_split_tab = 0;
8032 }
8033 }
8034 #endif
8035
8036 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8037 /*
8038 * ":winpos".
8039 */
8040 static void
8041 ex_winpos(eap)
8042 exarg_T *eap;
8043 {
8044 int x, y;
8045 char_u *arg = eap->arg;
8046 char_u *p;
8047
8048 if (*arg == NUL)
8049 {
8050 # if defined(FEAT_GUI) || defined(MSWIN)
8051 # ifdef FEAT_GUI
8052 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8053 # else
8054 if (mch_get_winpos(&x, &y) != FAIL)
8055 # endif
8056 {
8057 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8058 msg(IObuff);
8059 }
8060 else
8061 # endif
8062 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8063 }
8064 else
8065 {
8066 x = getdigits(&arg);
8067 arg = skipwhite(arg);
8068 p = arg;
8069 y = getdigits(&arg);
8070 if (*p == NUL || *arg != NUL)
8071 {
8072 EMSG(_("E466: :winpos requires two number arguments"));
8073 return;
8074 }
8075 # ifdef FEAT_GUI
8076 if (gui.in_use)
8077 gui_mch_set_winpos(x, y);
8078 else if (gui.starting)
8079 {
8080 /* Remember the coordinates for when the window is opened. */
8081 gui_win_x = x;
8082 gui_win_y = y;
8083 }
8084 # ifdef HAVE_TGETENT
8085 else
8086 # endif
8087 # else
8088 # ifdef MSWIN
8089 mch_set_winpos(x, y);
8090 # endif
8091 # endif
8092 # ifdef HAVE_TGETENT
8093 if (*T_CWP)
8094 term_set_winpos(x, y);
8095 # endif
8096 }
8097 }
8098 #endif
8099
8100 /*
8101 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8102 */
8103 static void
8104 ex_operators(eap)
8105 exarg_T *eap;
8106 {
8107 oparg_T oa;
8108
8109 clear_oparg(&oa);
8110 oa.regname = eap->regname;
8111 oa.start.lnum = eap->line1;
8112 oa.end.lnum = eap->line2;
8113 oa.line_count = eap->line2 - eap->line1 + 1;
8114 oa.motion_type = MLINE;
8115 #ifdef FEAT_VIRTUALEDIT
8116 virtual_op = FALSE;
8117 #endif
8118 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8119 {
8120 setpcmark();
8121 curwin->w_cursor.lnum = eap->line1;
8122 beginline(BL_SOL | BL_FIX);
8123 }
8124
8125 switch (eap->cmdidx)
8126 {
8127 case CMD_delete:
8128 oa.op_type = OP_DELETE;
8129 op_delete(&oa);
8130 break;
8131
8132 case CMD_yank:
8133 oa.op_type = OP_YANK;
8134 (void)op_yank(&oa, FALSE, TRUE);
8135 break;
8136
8137 default: /* CMD_rshift or CMD_lshift */
8138 if ((eap->cmdidx == CMD_rshift)
8139 #ifdef FEAT_RIGHTLEFT
8140 ^ curwin->w_p_rl
8141 #endif
8142 )
8143 oa.op_type = OP_RSHIFT;
8144 else
8145 oa.op_type = OP_LSHIFT;
8146 op_shift(&oa, FALSE, eap->amount);
8147 break;
8148 }
8149 #ifdef FEAT_VIRTUALEDIT
8150 virtual_op = MAYBE;
8151 #endif
8152 ex_may_print(eap);
8153 }
8154
8155 /*
8156 * ":put".
8157 */
8158 static void
8159 ex_put(eap)
8160 exarg_T *eap;
8161 {
8162 /* ":0put" works like ":1put!". */
8163 if (eap->line2 == 0)
8164 {
8165 eap->line2 = 1;
8166 eap->forceit = TRUE;
8167 }
8168 curwin->w_cursor.lnum = eap->line2;
8169 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8170 PUT_LINE|PUT_CURSLINE);
8171 }
8172
8173 /*
8174 * Handle ":copy" and ":move".
8175 */
8176 static void
8177 ex_copymove(eap)
8178 exarg_T *eap;
8179 {
8180 long n;
8181
8182 n = get_address(&eap->arg, FALSE, FALSE);
8183 if (eap->arg == NULL) /* error detected */
8184 {
8185 eap->nextcmd = NULL;
8186 return;
8187 }
8188 get_flags(eap);
8189
8190 /*
8191 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8192 */
8193 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8194 {
8195 EMSG(_(e_invaddr));
8196 return;
8197 }
8198
8199 if (eap->cmdidx == CMD_move)
8200 {
8201 if (do_move(eap->line1, eap->line2, n) == FAIL)
8202 return;
8203 }
8204 else
8205 ex_copy(eap->line1, eap->line2, n);
8206 u_clearline();
8207 beginline(BL_SOL | BL_FIX);
8208 ex_may_print(eap);
8209 }
8210
8211 /*
8212 * Print the current line if flags were given to the Ex command.
8213 */
8214 static void
8215 ex_may_print(eap)
8216 exarg_T *eap;
8217 {
8218 if (eap->flags != 0)
8219 {
8220 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8221 (eap->flags & EXFLAG_LIST));
8222 ex_no_reprint = TRUE;
8223 }
8224 }
8225
8226 /*
8227 * ":smagic" and ":snomagic".
8228 */
8229 static void
8230 ex_submagic(eap)
8231 exarg_T *eap;
8232 {
8233 int magic_save = p_magic;
8234
8235 p_magic = (eap->cmdidx == CMD_smagic);
8236 do_sub(eap);
8237 p_magic = magic_save;
8238 }
8239
8240 /*
8241 * ":join".
8242 */
8243 static void
8244 ex_join(eap)
8245 exarg_T *eap;
8246 {
8247 curwin->w_cursor.lnum = eap->line1;
8248 if (eap->line1 == eap->line2)
8249 {
8250 if (eap->addr_count >= 2) /* :2,2join does nothing */
8251 return;
8252 if (eap->line2 == curbuf->b_ml.ml_line_count)
8253 {
8254 beep_flush();
8255 return;
8256 }
8257 ++eap->line2;
8258 }
8259 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8260 beginline(BL_WHITE | BL_FIX);
8261 ex_may_print(eap);
8262 }
8263
8264 /*
8265 * ":[addr]@r" or ":[addr]*r": execute register
8266 */
8267 static void
8268 ex_at(eap)
8269 exarg_T *eap;
8270 {
8271 int c;
8272
8273 curwin->w_cursor.lnum = eap->line2;
8274
8275 #ifdef USE_ON_FLY_SCROLL
8276 dont_scroll = TRUE; /* disallow scrolling here */
8277 #endif
8278
8279 /* get the register name. No name means to use the previous one */
8280 c = *eap->arg;
8281 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8282 c = '@';
8283 /* Put the register in the typeahead buffer with the "silent" flag. */
8284 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8285 == FAIL)
8286 {
8287 beep_flush();
8288 }
8289 else
8290 {
8291 int save_efr = exec_from_reg;
8292
8293 exec_from_reg = TRUE;
8294
8295 /*
8296 * Execute from the typeahead buffer.
8297 * Originally this didn't check for the typeahead buffer to be empty,
8298 * thus could read more Ex commands from stdin. It's not clear why,
8299 * it is certainly unexpected.
8300 */
8301 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8302 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8303
8304 exec_from_reg = save_efr;
8305 }
8306 }
8307
8308 /*
8309 * ":!".
8310 */
8311 static void
8312 ex_bang(eap)
8313 exarg_T *eap;
8314 {
8315 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8316 }
8317
8318 /*
8319 * ":undo".
8320 */
8321 /*ARGSUSED*/
8322 static void
8323 ex_undo(eap)
8324 exarg_T *eap;
8325 {
8326 if (eap->addr_count == 1) /* :undo 123 */
8327 undo_time(eap->line2, FALSE, TRUE);
8328 else
8329 u_undo(1);
8330 }
8331
8332 /*
8333 * ":redo".
8334 */
8335 /*ARGSUSED*/
8336 static void
8337 ex_redo(eap)
8338 exarg_T *eap;
8339 {
8340 u_redo(1);
8341 }
8342
8343 /*
8344 * ":earlier" and ":later".
8345 */
8346 /*ARGSUSED*/
8347 static void
8348 ex_later(eap)
8349 exarg_T *eap;
8350 {
8351 long count = 0;
8352 int sec = FALSE;
8353 char_u *p = eap->arg;
8354
8355 if (*p == NUL)
8356 count = 1;
8357 else if (isdigit(*p))
8358 {
8359 count = getdigits(&p);
8360 switch (*p)
8361 {
8362 case 's': ++p; sec = TRUE; break;
8363 case 'm': ++p; sec = TRUE; count *= 60; break;
8364 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8365 }
8366 }
8367
8368 if (*p != NUL)
8369 EMSG2(_(e_invarg2), eap->arg);
8370 else
8371 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8372 }
8373
8374 /*
8375 * ":redir": start/stop redirection.
8376 */
8377 static void
8378 ex_redir(eap)
8379 exarg_T *eap;
8380 {
8381 char *mode;
8382 char_u *fname;
8383 char_u *arg = eap->arg;
8384
8385 if (STRICMP(eap->arg, "END") == 0)
8386 close_redir();
8387 else
8388 {
8389 if (*arg == '>')
8390 {
8391 ++arg;
8392 if (*arg == '>')
8393 {
8394 ++arg;
8395 mode = "a";
8396 }
8397 else
8398 mode = "w";
8399 arg = skipwhite(arg);
8400
8401 close_redir();
8402
8403 /* Expand environment variables and "~/". */
8404 fname = expand_env_save(arg);
8405 if (fname == NULL)
8406 return;
8407 #ifdef FEAT_BROWSE
8408 if (cmdmod.browse)
8409 {
8410 char_u *browseFile;
8411
8412 browseFile = do_browse(BROWSE_SAVE,
8413 (char_u *)_("Save Redirection"),
8414 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8415 if (browseFile == NULL)
8416 return; /* operation cancelled */
8417 vim_free(fname);
8418 fname = browseFile;
8419 eap->forceit = TRUE; /* since dialog already asked */
8420 }
8421 #endif
8422
8423 redir_fd = open_exfile(fname, eap->forceit, mode);
8424 vim_free(fname);
8425 }
8426 #ifdef FEAT_EVAL
8427 else if (*arg == '@')
8428 {
8429 /* redirect to a register a-z (resp. A-Z for appending) */
8430 close_redir();
8431 ++arg;
8432 if (ASCII_ISALPHA(*arg)
8433 # ifdef FEAT_CLIPBOARD
8434 || *arg == '*'
8435 || *arg == '+'
8436 # endif
8437 || *arg == '"')
8438 {
8439 redir_reg = *arg++;
8440 if (*arg == '>' && arg[1] == '>') /* append */
8441 arg += 2;
8442 else
8443 {
8444 /* Can use both "@a" and "@a>". */
8445 if (*arg == '>')
8446 arg++;
8447 /* Make register empty when not using @A-@Z and the
8448 * command is valid. */
8449 if (*arg == NUL && !isupper(redir_reg))
8450 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8451 }
8452 }
8453 if (*arg != NUL)
8454 {
8455 redir_reg = 0;
8456 EMSG2(_(e_invarg2), eap->arg);
8457 }
8458 }
8459 else if (*arg == '=' && arg[1] == '>')
8460 {
8461 int append;
8462
8463 /* redirect to a variable */
8464 close_redir();
8465 arg += 2;
8466
8467 if (*arg == '>')
8468 {
8469 ++arg;
8470 append = TRUE;
8471 }
8472 else
8473 append = FALSE;
8474
8475 if (var_redir_start(skipwhite(arg), append) == OK)
8476 redir_vname = 1;
8477 }
8478 #endif
8479
8480 /* TODO: redirect to a buffer */
8481
8482 else
8483 EMSG2(_(e_invarg2), eap->arg);
8484 }
8485
8486 /* Make sure redirection is not off. Can happen for cmdline completion
8487 * that indirectly invokes a command to catch its output. */
8488 if (redir_fd != NULL
8489 #ifdef FEAT_EVAL
8490 || redir_reg || redir_vname
8491 #endif
8492 )
8493 redir_off = FALSE;
8494 }
8495
8496 /*
8497 * ":redraw": force redraw
8498 */
8499 static void
8500 ex_redraw(eap)
8501 exarg_T *eap;
8502 {
8503 int r = RedrawingDisabled;
8504 int p = p_lz;
8505
8506 RedrawingDisabled = 0;
8507 p_lz = FALSE;
8508 update_topline();
8509 update_screen(eap->forceit ? CLEAR :
8510 #ifdef FEAT_VISUAL
8511 VIsual_active ? INVERTED :
8512 #endif
8513 0);
8514 #ifdef FEAT_TITLE
8515 if (need_maketitle)
8516 maketitle();
8517 #endif
8518 RedrawingDisabled = r;
8519 p_lz = p;
8520
8521 /* Reset msg_didout, so that a message that's there is overwritten. */
8522 msg_didout = FALSE;
8523 msg_col = 0;
8524
8525 out_flush();
8526 }
8527
8528 /*
8529 * ":redrawstatus": force redraw of status line(s)
8530 */
8531 /*ARGSUSED*/
8532 static void
8533 ex_redrawstatus(eap)
8534 exarg_T *eap;
8535 {
8536 #if defined(FEAT_WINDOWS)
8537 int r = RedrawingDisabled;
8538 int p = p_lz;
8539
8540 RedrawingDisabled = 0;
8541 p_lz = FALSE;
8542 if (eap->forceit)
8543 status_redraw_all();
8544 else
8545 status_redraw_curbuf();
8546 update_screen(
8547 # ifdef FEAT_VISUAL
8548 VIsual_active ? INVERTED :
8549 # endif
8550 0);
8551 RedrawingDisabled = r;
8552 p_lz = p;
8553 out_flush();
8554 #endif
8555 }
8556
8557 static void
8558 close_redir()
8559 {
8560 if (redir_fd != NULL)
8561 {
8562 fclose(redir_fd);
8563 redir_fd = NULL;
8564 }
8565 #ifdef FEAT_EVAL
8566 redir_reg = 0;
8567 if (redir_vname)
8568 {
8569 var_redir_stop();
8570 redir_vname = 0;
8571 }
8572 #endif
8573 }
8574
8575 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8576 # define MKSESSION_NL
8577 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8578 #endif
8579
8580 /*
8581 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8582 */
8583 static void
8584 ex_mkrc(eap)
8585 exarg_T *eap;
8586 {
8587 FILE *fd;
8588 int failed = FALSE;
8589 char_u *fname;
8590 #ifdef FEAT_BROWSE
8591 char_u *browseFile = NULL;
8592 #endif
8593 #ifdef FEAT_SESSION
8594 int view_session = FALSE;
8595 int using_vdir = FALSE; /* using 'viewdir'? */
8596 char_u *viewFile = NULL;
8597 unsigned *flagp;
8598 #endif
8599
8600 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8601 {
8602 #ifdef FEAT_SESSION
8603 view_session = TRUE;
8604 #else
8605 ex_ni(eap);
8606 return;
8607 #endif
8608 }
8609
8610 #ifdef FEAT_SESSION
8611 did_lcd = FALSE;
8612
8613 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8614 if (eap->cmdidx == CMD_mkview
8615 && (*eap->arg == NUL
8616 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8617 {
8618 eap->forceit = TRUE;
8619 fname = get_view_file(*eap->arg);
8620 if (fname == NULL)
8621 return;
8622 viewFile = fname;
8623 using_vdir = TRUE;
8624 }
8625 else
8626 #endif
8627 if (*eap->arg != NUL)
8628 fname = eap->arg;
8629 else if (eap->cmdidx == CMD_mkvimrc)
8630 fname = (char_u *)VIMRC_FILE;
8631 #ifdef FEAT_SESSION
8632 else if (eap->cmdidx == CMD_mksession)
8633 fname = (char_u *)SESSION_FILE;
8634 #endif
8635 else
8636 fname = (char_u *)EXRC_FILE;
8637
8638 #ifdef FEAT_BROWSE
8639 if (cmdmod.browse)
8640 {
8641 browseFile = do_browse(BROWSE_SAVE,
8642 # ifdef FEAT_SESSION
8643 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8644 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8645 # endif
8646 (char_u *)_("Save Setup"),
8647 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8648 if (browseFile == NULL)
8649 goto theend;
8650 fname = browseFile;
8651 eap->forceit = TRUE; /* since dialog already asked */
8652 }
8653 #endif
8654
8655 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8656 /* When using 'viewdir' may have to create the directory. */
8657 if (using_vdir && !mch_isdir(p_vdir))
8658 vim_mkdir_emsg(p_vdir, 0755);
8659 #endif
8660
8661 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8662 if (fd != NULL)
8663 {
8664 #ifdef FEAT_SESSION
8665 if (eap->cmdidx == CMD_mkview)
8666 flagp = &vop_flags;
8667 else
8668 flagp = &ssop_flags;
8669 #endif
8670
8671 #ifdef MKSESSION_NL
8672 /* "unix" in 'sessionoptions': use NL line separator */
8673 if (view_session && (*flagp & SSOP_UNIX))
8674 mksession_nl = TRUE;
8675 #endif
8676
8677 /* Write the version command for :mkvimrc */
8678 if (eap->cmdidx == CMD_mkvimrc)
8679 (void)put_line(fd, "version 6.0");
8680
8681 #ifdef FEAT_SESSION
8682 if (eap->cmdidx == CMD_mksession)
8683 {
8684 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8685 failed = TRUE;
8686 }
8687
8688 if (eap->cmdidx != CMD_mkview)
8689 #endif
8690 {
8691 /* Write setting 'compatible' first, because it has side effects.
8692 * For that same reason only do it when needed. */
8693 if (p_cp)
8694 (void)put_line(fd, "if !&cp | set cp | endif");
8695 else
8696 (void)put_line(fd, "if &cp | set nocp | endif");
8697 }
8698
8699 #ifdef FEAT_SESSION
8700 if (!view_session
8701 || (eap->cmdidx == CMD_mksession
8702 && (*flagp & SSOP_OPTIONS)))
8703 #endif
8704 failed |= (makemap(fd, NULL) == FAIL
8705 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8706
8707 #ifdef FEAT_SESSION
8708 if (!failed && view_session)
8709 {
8710 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8711 failed = TRUE;
8712 if (eap->cmdidx == CMD_mksession)
8713 {
8714 char_u dirnow[MAXPATHL]; /* current directory */
8715
8716 /*
8717 * Change to session file's dir.
8718 */
8719 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8720 || mch_chdir((char *)dirnow) != 0)
8721 *dirnow = NUL;
8722 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8723 {
8724 if (vim_chdirfile(fname) == OK)
8725 shorten_fnames(TRUE);
8726 }
8727 else if (*dirnow != NUL
8728 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8729 {
8730 (void)mch_chdir((char *)globaldir);
8731 shorten_fnames(TRUE);
8732 }
8733
8734 failed |= (makeopens(fd, dirnow) == FAIL);
8735
8736 /* restore original dir */
8737 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8738 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8739 {
8740 if (mch_chdir((char *)dirnow) != 0)
8741 EMSG(_(e_prev_dir));
8742 shorten_fnames(TRUE);
8743 }
8744 }
8745 else
8746 {
8747 failed |= (put_view(fd, curwin, !using_vdir, flagp) == FAIL);
8748 }
8749 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8750 == FAIL)
8751 failed = TRUE;
8752 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8753 failed = TRUE;
8754 if (eap->cmdidx == CMD_mksession)
8755 {
8756 if (put_line(fd, "unlet SessionLoad") == FAIL)
8757 failed = TRUE;
8758 }
8759 }
8760 #endif
8761 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8762 failed = TRUE;
8763
8764 failed |= fclose(fd);
8765
8766 if (failed)
8767 EMSG(_(e_write));
8768 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8769 else if (eap->cmdidx == CMD_mksession)
8770 {
8771 /* successful session write - set this_session var */
8772 char_u tbuf[MAXPATHL];
8773
8774 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8775 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8776 }
8777 #endif
8778 #ifdef MKSESSION_NL
8779 mksession_nl = FALSE;
8780 #endif
8781 }
8782
8783 #ifdef FEAT_BROWSE
8784 theend:
8785 vim_free(browseFile);
8786 #endif
8787 #ifdef FEAT_SESSION
8788 vim_free(viewFile);
8789 #endif
8790 }
8791
8792 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8793 || defined(PROTO)
8794 /*ARGSUSED*/
8795 int
8796 vim_mkdir_emsg(name, prot)
8797 char_u *name;
8798 int prot;
8799 {
8800 if (vim_mkdir(name, prot) != 0)
8801 {
8802 EMSG2(_("E739: Cannot create directory: %s"), name);
8803 return FAIL;
8804 }
8805 return OK;
8806 }
8807 #endif
8808
8809 /*
8810 * Open a file for writing for an Ex command, with some checks.
8811 * Return file descriptor, or NULL on failure.
8812 */
8813 FILE *
8814 open_exfile(fname, forceit, mode)
8815 char_u *fname;
8816 int forceit;
8817 char *mode; /* "w" for create new file or "a" for append */
8818 {
8819 FILE *fd;
8820
8821 #ifdef UNIX
8822 /* with Unix it is possible to open a directory */
8823 if (mch_isdir(fname))
8824 {
8825 EMSG2(_(e_isadir2), fname);
8826 return NULL;
8827 }
8828 #endif
8829 if (!forceit && *mode != 'a' && vim_fexists(fname))
8830 {
8831 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8832 return NULL;
8833 }
8834
8835 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8836 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8837
8838 return fd;
8839 }
8840
8841 /*
8842 * ":mark" and ":k".
8843 */
8844 static void
8845 ex_mark(eap)
8846 exarg_T *eap;
8847 {
8848 pos_T pos;
8849
8850 if (*eap->arg == NUL) /* No argument? */
8851 EMSG(_(e_argreq));
8852 else if (eap->arg[1] != NUL) /* more than one character? */
8853 EMSG(_(e_trailing));
8854 else
8855 {
8856 pos = curwin->w_cursor; /* save curwin->w_cursor */
8857 curwin->w_cursor.lnum = eap->line2;
8858 beginline(BL_WHITE | BL_FIX);
8859 if (setmark(*eap->arg) == FAIL) /* set mark */
8860 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8861 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8862 }
8863 }
8864
8865 /*
8866 * Update w_topline, w_leftcol and the cursor position.
8867 */
8868 void
8869 update_topline_cursor()
8870 {
8871 check_cursor(); /* put cursor on valid line */
8872 update_topline();
8873 if (!curwin->w_p_wrap)
8874 validate_cursor();
8875 update_curswant();
8876 }
8877
8878 #ifdef FEAT_EX_EXTRA
8879 /*
8880 * ":normal[!] {commands}": Execute normal mode commands.
8881 */
8882 static void
8883 ex_normal(eap)
8884 exarg_T *eap;
8885 {
8886 int save_msg_scroll = msg_scroll;
8887 int save_restart_edit = restart_edit;
8888 int save_msg_didout = msg_didout;
8889 int save_State = State;
8890 tasave_T tabuf;
8891 int save_insertmode = p_im;
8892 int save_finish_op = finish_op;
8893 #ifdef FEAT_MBYTE
8894 char_u *arg = NULL;
8895 int l;
8896 char_u *p;
8897 #endif
8898
8899 if (ex_normal_lock > 0)
8900 {
8901 EMSG(_(e_secure));
8902 return;
8903 }
8904 if (ex_normal_busy >= p_mmd)
8905 {
8906 EMSG(_("E192: Recursive use of :normal too deep"));
8907 return;
8908 }
8909 ++ex_normal_busy;
8910
8911 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8912 restart_edit = 0; /* don't go to Insert mode */
8913 p_im = FALSE; /* don't use 'insertmode' */
8914
8915 #ifdef FEAT_MBYTE
8916 /*
8917 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8918 * this for the K_SPECIAL leading byte, otherwise special keys will not
8919 * work.
8920 */
8921 if (has_mbyte)
8922 {
8923 int len = 0;
8924
8925 /* Count the number of characters to be escaped. */
8926 for (p = eap->arg; *p != NUL; ++p)
8927 {
8928 # ifdef FEAT_GUI
8929 if (*p == CSI) /* leadbyte CSI */
8930 len += 2;
8931 # endif
8932 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8933 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8934 # ifdef FEAT_GUI
8935 || *p == CSI
8936 # endif
8937 )
8938 len += 2;
8939 }
8940 if (len > 0)
8941 {
8942 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8943 if (arg != NULL)
8944 {
8945 len = 0;
8946 for (p = eap->arg; *p != NUL; ++p)
8947 {
8948 arg[len++] = *p;
8949 # ifdef FEAT_GUI
8950 if (*p == CSI)
8951 {
8952 arg[len++] = KS_EXTRA;
8953 arg[len++] = (int)KE_CSI;
8954 }
8955 # endif
8956 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8957 {
8958 arg[len++] = *++p;
8959 if (*p == K_SPECIAL)
8960 {
8961 arg[len++] = KS_SPECIAL;
8962 arg[len++] = KE_FILLER;
8963 }
8964 # ifdef FEAT_GUI
8965 else if (*p == CSI)
8966 {
8967 arg[len++] = KS_EXTRA;
8968 arg[len++] = (int)KE_CSI;
8969 }
8970 # endif
8971 }
8972 arg[len] = NUL;
8973 }
8974 }
8975 }
8976 }
8977 #endif
8978
8979 /*
8980 * Save the current typeahead. This is required to allow using ":normal"
8981 * from an event handler and makes sure we don't hang when the argument
8982 * ends with half a command.
8983 */
8984 save_typeahead(&tabuf);
8985 if (tabuf.typebuf_valid)
8986 {
8987 /*
8988 * Repeat the :normal command for each line in the range. When no
8989 * range given, execute it just once, without positioning the cursor
8990 * first.
8991 */
8992 do
8993 {
8994 if (eap->addr_count != 0)
8995 {
8996 curwin->w_cursor.lnum = eap->line1++;
8997 curwin->w_cursor.col = 0;
8998 }
8999
9000 exec_normal_cmd(
9001 #ifdef FEAT_MBYTE
9002 arg != NULL ? arg :
9003 #endif
9004 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9005 }
9006 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9007 }
9008
9009 /* Might not return to the main loop when in an event handler. */
9010 update_topline_cursor();
9011
9012 /* Restore the previous typeahead. */
9013 restore_typeahead(&tabuf);
9014
9015 --ex_normal_busy;
9016 msg_scroll = save_msg_scroll;
9017 restart_edit = save_restart_edit;
9018 p_im = save_insertmode;
9019 finish_op = save_finish_op;
9020 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9021
9022 /* Restore the state (needed when called from a function executed for
9023 * 'indentexpr'). */
9024 State = save_State;
9025 #ifdef FEAT_MBYTE
9026 vim_free(arg);
9027 #endif
9028 }
9029
9030 /*
9031 * ":startinsert", ":startreplace" and ":startgreplace"
9032 */
9033 static void
9034 ex_startinsert(eap)
9035 exarg_T *eap;
9036 {
9037 if (eap->forceit)
9038 {
9039 coladvance((colnr_T)MAXCOL);
9040 curwin->w_curswant = MAXCOL;
9041 curwin->w_set_curswant = FALSE;
9042 }
9043
9044 /* Ignore the command when already in Insert mode. Inserting an
9045 * expression register that invokes a function can do this. */
9046 if (State & INSERT)
9047 return;
9048
9049 if (eap->cmdidx == CMD_startinsert)
9050 restart_edit = 'a';
9051 else if (eap->cmdidx == CMD_startreplace)
9052 restart_edit = 'R';
9053 else
9054 restart_edit = 'V';
9055
9056 if (!eap->forceit)
9057 {
9058 if (eap->cmdidx == CMD_startinsert)
9059 restart_edit = 'i';
9060 curwin->w_curswant = 0; /* avoid MAXCOL */
9061 }
9062 }
9063
9064 /*
9065 * ":stopinsert"
9066 */
9067 /*ARGSUSED*/
9068 static void
9069 ex_stopinsert(eap)
9070 exarg_T *eap;
9071 {
9072 restart_edit = 0;
9073 stop_insert_mode = TRUE;
9074 }
9075 #endif
9076
9077 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9078 /*
9079 * Execute normal mode command "cmd".
9080 * "remap" can be REMAP_NONE or REMAP_YES.
9081 */
9082 void
9083 exec_normal_cmd(cmd, remap, silent)
9084 char_u *cmd;
9085 int remap;
9086 int silent;
9087 {
9088 oparg_T oa;
9089
9090 /*
9091 * Stuff the argument into the typeahead buffer.
9092 * Execute normal_cmd() until there is no typeahead left.
9093 */
9094 clear_oparg(&oa);
9095 finish_op = FALSE;
9096 ins_typebuf(cmd, remap, 0, TRUE, silent);
9097 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9098 && !got_int)
9099 {
9100 update_topline_cursor();
9101 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9102 }
9103 }
9104 #endif
9105
9106 #ifdef FEAT_FIND_ID
9107 static void
9108 ex_checkpath(eap)
9109 exarg_T *eap;
9110 {
9111 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9112 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9113 (linenr_T)1, (linenr_T)MAXLNUM);
9114 }
9115
9116 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9117 /*
9118 * ":psearch"
9119 */
9120 static void
9121 ex_psearch(eap)
9122 exarg_T *eap;
9123 {
9124 g_do_tagpreview = p_pvh;
9125 ex_findpat(eap);
9126 g_do_tagpreview = 0;
9127 }
9128 #endif
9129
9130 static void
9131 ex_findpat(eap)
9132 exarg_T *eap;
9133 {
9134 int whole = TRUE;
9135 long n;
9136 char_u *p;
9137 int action;
9138
9139 switch (cmdnames[eap->cmdidx].cmd_name[2])
9140 {
9141 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9142 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9143 action = ACTION_GOTO;
9144 else
9145 action = ACTION_SHOW;
9146 break;
9147 case 'i': /* ":ilist" and ":dlist" */
9148 action = ACTION_SHOW_ALL;
9149 break;
9150 case 'u': /* ":ijump" and ":djump" */
9151 action = ACTION_GOTO;
9152 break;
9153 default: /* ":isplit" and ":dsplit" */
9154 action = ACTION_SPLIT;
9155 break;
9156 }
9157
9158 n = 1;
9159 if (vim_isdigit(*eap->arg)) /* get count */
9160 {
9161 n = getdigits(&eap->arg);
9162 eap->arg = skipwhite(eap->arg);
9163 }
9164 if (*eap->arg == '/') /* Match regexp, not just whole words */
9165 {
9166 whole = FALSE;
9167 ++eap->arg;
9168 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9169 if (*p)
9170 {
9171 *p++ = NUL;
9172 p = skipwhite(p);
9173
9174 /* Check for trailing illegal characters */
9175 if (!ends_excmd(*p))
9176 eap->errmsg = e_trailing;
9177 else
9178 eap->nextcmd = check_nextcmd(p);
9179 }
9180 }
9181 if (!eap->skip)
9182 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9183 whole, !eap->forceit,
9184 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9185 n, action, eap->line1, eap->line2);
9186 }
9187 #endif
9188
9189 #ifdef FEAT_WINDOWS
9190
9191 # ifdef FEAT_QUICKFIX
9192 /*
9193 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9194 */
9195 static void
9196 ex_ptag(eap)
9197 exarg_T *eap;
9198 {
9199 g_do_tagpreview = p_pvh;
9200 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9201 }
9202
9203 /*
9204 * ":pedit"
9205 */
9206 static void
9207 ex_pedit(eap)
9208 exarg_T *eap;
9209 {
9210 win_T *curwin_save = curwin;
9211
9212 g_do_tagpreview = p_pvh;
9213 prepare_tagpreview(TRUE);
9214 keep_help_flag = curwin_save->w_buffer->b_help;
9215 do_exedit(eap, NULL);
9216 keep_help_flag = FALSE;
9217 if (curwin != curwin_save && win_valid(curwin_save))
9218 {
9219 /* Return cursor to where we were */
9220 validate_cursor();
9221 redraw_later(VALID);
9222 win_enter(curwin_save, TRUE);
9223 }
9224 g_do_tagpreview = 0;
9225 }
9226 # endif
9227
9228 /*
9229 * ":stag", ":stselect" and ":stjump".
9230 */
9231 static void
9232 ex_stag(eap)
9233 exarg_T *eap;
9234 {
9235 postponed_split = -1;
9236 postponed_split_flags = cmdmod.split;
9237 postponed_split_tab = cmdmod.tab;
9238 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9239 postponed_split_flags = 0;
9240 postponed_split_tab = 0;
9241 }
9242 #endif
9243
9244 /*
9245 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9246 */
9247 static void
9248 ex_tag(eap)
9249 exarg_T *eap;
9250 {
9251 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9252 }
9253
9254 static void
9255 ex_tag_cmd(eap, name)
9256 exarg_T *eap;
9257 char_u *name;
9258 {
9259 int cmd;
9260
9261 switch (name[1])
9262 {
9263 case 'j': cmd = DT_JUMP; /* ":tjump" */
9264 break;
9265 case 's': cmd = DT_SELECT; /* ":tselect" */
9266 break;
9267 case 'p': cmd = DT_PREV; /* ":tprevious" */
9268 break;
9269 case 'N': cmd = DT_PREV; /* ":tNext" */
9270 break;
9271 case 'n': cmd = DT_NEXT; /* ":tnext" */
9272 break;
9273 case 'o': cmd = DT_POP; /* ":pop" */
9274 break;
9275 case 'f': /* ":tfirst" */
9276 case 'r': cmd = DT_FIRST; /* ":trewind" */
9277 break;
9278 case 'l': cmd = DT_LAST; /* ":tlast" */
9279 break;
9280 default: /* ":tag" */
9281 #ifdef FEAT_CSCOPE
9282 if (p_cst)
9283 {
9284 do_cstag(eap);
9285 return;
9286 }
9287 #endif
9288 cmd = DT_TAG;
9289 break;
9290 }
9291
9292 if (name[0] == 'l')
9293 {
9294 #ifndef FEAT_QUICKFIX
9295 ex_ni(eap);
9296 return;
9297 #else
9298 cmd = DT_LTAG;
9299 #endif
9300 }
9301
9302 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9303 eap->forceit, TRUE);
9304 }
9305
9306 /*
9307 * Evaluate cmdline variables.
9308 *
9309 * change '%' to curbuf->b_ffname
9310 * '#' to curwin->w_altfile
9311 * '<cword>' to word under the cursor
9312 * '<cWORD>' to WORD under the cursor
9313 * '<cfile>' to path name under the cursor
9314 * '<sfile>' to sourced file name
9315 * '<afile>' to file name for autocommand
9316 * '<abuf>' to buffer number for autocommand
9317 * '<amatch>' to matching name for autocommand
9318 *
9319 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9320 * "" for error without a message) and NULL is returned.
9321 * Returns an allocated string if a valid match was found.
9322 * Returns NULL if no match was found. "usedlen" then still contains the
9323 * number of characters to skip.
9324 */
9325 char_u *
9326 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9327 char_u *src; /* pointer into commandline */
9328 char_u *srcstart; /* beginning of valid memory for src */
9329 int *usedlen; /* characters after src that are used */
9330 linenr_T *lnump; /* line number for :e command, or NULL */
9331 char_u **errormsg; /* pointer to error message */
9332 int *escaped; /* return value has escaped white space (can
9333 * be NULL) */
9334 {
9335 int i;
9336 char_u *s;
9337 char_u *result;
9338 char_u *resultbuf = NULL;
9339 int resultlen;
9340 buf_T *buf;
9341 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9342 int spec_idx;
9343 #ifdef FEAT_MODIFY_FNAME
9344 int skip_mod = FALSE;
9345 #endif
9346 static char *(spec_str[]) =
9347 {
9348 "%",
9349 #define SPEC_PERC 0
9350 "#",
9351 #define SPEC_HASH 1
9352 "<cword>", /* cursor word */
9353 #define SPEC_CWORD 2
9354 "<cWORD>", /* cursor WORD */
9355 #define SPEC_CCWORD 3
9356 "<cfile>", /* cursor path name */
9357 #define SPEC_CFILE 4
9358 "<sfile>", /* ":so" file name */
9359 #define SPEC_SFILE 5
9360 #ifdef FEAT_AUTOCMD
9361 "<afile>", /* autocommand file name */
9362 # define SPEC_AFILE 6
9363 "<abuf>", /* autocommand buffer number */
9364 # define SPEC_ABUF 7
9365 "<amatch>", /* autocommand match name */
9366 # define SPEC_AMATCH 8
9367 #endif
9368 #ifdef FEAT_CLIENTSERVER
9369 "<client>"
9370 # define SPEC_CLIENT 9
9371 #endif
9372 };
9373 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9374
9375 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9376 char_u strbuf[30];
9377 #endif
9378
9379 *errormsg = NULL;
9380 if (escaped != NULL)
9381 *escaped = FALSE;
9382
9383 /*
9384 * Check if there is something to do.
9385 */
9386 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9387 {
9388 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9389 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9390 break;
9391 }
9392 if (spec_idx == SPEC_COUNT) /* no match */
9393 {
9394 *usedlen = 1;
9395 return NULL;
9396 }
9397
9398 /*
9399 * Skip when preceded with a backslash "\%" and "\#".
9400 * Note: In "\\%" the % is also not recognized!
9401 */
9402 if (src > srcstart && src[-1] == '\\')
9403 {
9404 *usedlen = 0;
9405 STRCPY(src - 1, src); /* remove backslash */
9406 return NULL;
9407 }
9408
9409 /*
9410 * word or WORD under cursor
9411 */
9412 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9413 {
9414 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9415 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9416 if (resultlen == 0)
9417 {
9418 *errormsg = (char_u *)"";
9419 return NULL;
9420 }
9421 }
9422
9423 /*
9424 * '#': Alternate file name
9425 * '%': Current file name
9426 * File name under the cursor
9427 * File name for autocommand
9428 * and following modifiers
9429 */
9430 else
9431 {
9432 switch (spec_idx)
9433 {
9434 case SPEC_PERC: /* '%': current file */
9435 if (curbuf->b_fname == NULL)
9436 {
9437 result = (char_u *)"";
9438 valid = 0; /* Must have ":p:h" to be valid */
9439 }
9440 else
9441 #ifdef RISCOS
9442 /* Always use the full path for RISC OS if possible. */
9443 result = curbuf->b_ffname;
9444 if (result == NULL)
9445 result = curbuf->b_fname;
9446 #else
9447 result = curbuf->b_fname;
9448 #endif
9449 break;
9450
9451 case SPEC_HASH: /* '#' or "#99": alternate file */
9452 if (src[1] == '#') /* "##": the argument list */
9453 {
9454 result = arg_all();
9455 resultbuf = result;
9456 *usedlen = 2;
9457 if (escaped != NULL)
9458 *escaped = TRUE;
9459 #ifdef FEAT_MODIFY_FNAME
9460 skip_mod = TRUE;
9461 #endif
9462 break;
9463 }
9464 s = src + 1;
9465 i = (int)getdigits(&s);
9466 *usedlen = (int)(s - src); /* length of what we expand */
9467
9468 buf = buflist_findnr(i);
9469 if (buf == NULL)
9470 {
9471 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9472 return NULL;
9473 }
9474 if (lnump != NULL)
9475 *lnump = ECMD_LAST;
9476 if (buf->b_fname == NULL)
9477 {
9478 result = (char_u *)"";
9479 valid = 0; /* Must have ":p:h" to be valid */
9480 }
9481 else
9482 result = buf->b_fname;
9483 break;
9484
9485 #ifdef FEAT_SEARCHPATH
9486 case SPEC_CFILE: /* file name under cursor */
9487 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9488 if (result == NULL)
9489 {
9490 *errormsg = (char_u *)"";
9491 return NULL;
9492 }
9493 resultbuf = result; /* remember allocated string */
9494 break;
9495 #endif
9496
9497 #ifdef FEAT_AUTOCMD
9498 case SPEC_AFILE: /* file name for autocommand */
9499 result = autocmd_fname;
9500 if (result == NULL)
9501 {
9502 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9503 return NULL;
9504 }
9505 break;
9506
9507 case SPEC_ABUF: /* buffer number for autocommand */
9508 if (autocmd_bufnr <= 0)
9509 {
9510 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9511 return NULL;
9512 }
9513 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9514 result = strbuf;
9515 break;
9516
9517 case SPEC_AMATCH: /* match name for autocommand */
9518 result = autocmd_match;
9519 if (result == NULL)
9520 {
9521 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9522 return NULL;
9523 }
9524 break;
9525
9526 #endif
9527 case SPEC_SFILE: /* file name for ":so" command */
9528 result = sourcing_name;
9529 if (result == NULL)
9530 {
9531 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9532 return NULL;
9533 }
9534 break;
9535 #if defined(FEAT_CLIENTSERVER)
9536 case SPEC_CLIENT: /* Source of last submitted input */
9537 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9538 (long_u)clientWindow);
9539 result = strbuf;
9540 break;
9541 #endif
9542 }
9543
9544 resultlen = (int)STRLEN(result); /* length of new string */
9545 if (src[*usedlen] == '<') /* remove the file name extension */
9546 {
9547 ++*usedlen;
9548 #ifdef RISCOS
9549 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9550 #else
9551 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9552 #endif
9553 resultlen = (int)(s - result);
9554 }
9555 #ifdef FEAT_MODIFY_FNAME
9556 else if (!skip_mod)
9557 {
9558 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9559 &resultlen);
9560 if (result == NULL)
9561 {
9562 *errormsg = (char_u *)"";
9563 return NULL;
9564 }
9565 }
9566 #endif
9567 }
9568
9569 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9570 {
9571 if (valid != VALID_HEAD + VALID_PATH)
9572 /* xgettext:no-c-format */
9573 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9574 else
9575 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9576 result = NULL;
9577 }
9578 else
9579 result = vim_strnsave(result, resultlen);
9580 vim_free(resultbuf);
9581 return result;
9582 }
9583
9584 /*
9585 * Concatenate all files in the argument list, separated by spaces, and return
9586 * it in one allocated string.
9587 * Spaces and backslashes in the file names are escaped with a backslash.
9588 * Returns NULL when out of memory.
9589 */
9590 static char_u *
9591 arg_all()
9592 {
9593 int len;
9594 int idx;
9595 char_u *retval = NULL;
9596 char_u *p;
9597
9598 /*
9599 * Do this loop two times:
9600 * first time: compute the total length
9601 * second time: concatenate the names
9602 */
9603 for (;;)
9604 {
9605 len = 0;
9606 for (idx = 0; idx < ARGCOUNT; ++idx)
9607 {
9608 p = alist_name(&ARGLIST[idx]);
9609 if (p != NULL)
9610 {
9611 if (len > 0)
9612 {
9613 /* insert a space in between names */
9614 if (retval != NULL)
9615 retval[len] = ' ';
9616 ++len;
9617 }
9618 for ( ; *p != NUL; ++p)
9619 {
9620 if (*p == ' ' || *p == '\\')
9621 {
9622 /* insert a backslash */
9623 if (retval != NULL)
9624 retval[len] = '\\';
9625 ++len;
9626 }
9627 if (retval != NULL)
9628 retval[len] = *p;
9629 ++len;
9630 }
9631 }
9632 }
9633
9634 /* second time: break here */
9635 if (retval != NULL)
9636 {
9637 retval[len] = NUL;
9638 break;
9639 }
9640
9641 /* allocate memory */
9642 retval = alloc(len + 1);
9643 if (retval == NULL)
9644 break;
9645 }
9646
9647 return retval;
9648 }
9649
9650 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9651 /*
9652 * Expand the <sfile> string in "arg".
9653 *
9654 * Returns an allocated string, or NULL for any error.
9655 */
9656 char_u *
9657 expand_sfile(arg)
9658 char_u *arg;
9659 {
9660 char_u *errormsg;
9661 int len;
9662 char_u *result;
9663 char_u *newres;
9664 char_u *repl;
9665 int srclen;
9666 char_u *p;
9667
9668 result = vim_strsave(arg);
9669 if (result == NULL)
9670 return NULL;
9671
9672 for (p = result; *p; )
9673 {
9674 if (STRNCMP(p, "<sfile>", 7) != 0)
9675 ++p;
9676 else
9677 {
9678 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9679 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9680 if (errormsg != NULL)
9681 {
9682 if (*errormsg)
9683 emsg(errormsg);
9684 vim_free(result);
9685 return NULL;
9686 }
9687 if (repl == NULL) /* no match (cannot happen) */
9688 {
9689 p += srclen;
9690 continue;
9691 }
9692 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9693 newres = alloc(len);
9694 if (newres == NULL)
9695 {
9696 vim_free(repl);
9697 vim_free(result);
9698 return NULL;
9699 }
9700 mch_memmove(newres, result, (size_t)(p - result));
9701 STRCPY(newres + (p - result), repl);
9702 len = (int)STRLEN(newres);
9703 STRCAT(newres, p + srclen);
9704 vim_free(repl);
9705 vim_free(result);
9706 result = newres;
9707 p = newres + len; /* continue after the match */
9708 }
9709 }
9710
9711 return result;
9712 }
9713 #endif
9714
9715 #ifdef FEAT_SESSION
9716 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9717 win_T *tab_firstwin));
9718 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9719 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9720 static int ses_do_frame __ARGS((frame_T *fr));
9721 static int ses_do_win __ARGS((win_T *wp));
9722 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9723 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9724 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9725
9726 /*
9727 * Write openfile commands for the current buffers to an .exrc file.
9728 * Return FAIL on error, OK otherwise.
9729 */
9730 static int
9731 makeopens(fd, dirnow)
9732 FILE *fd;
9733 char_u *dirnow; /* Current directory name */
9734 {
9735 buf_T *buf;
9736 int only_save_windows = TRUE;
9737 int nr;
9738 int cnr = 1;
9739 int restore_size = TRUE;
9740 win_T *wp;
9741 char_u *sname;
9742 win_T *edited_win = NULL;
9743 int tabnr;
9744 win_T *tab_firstwin;
9745 frame_T *tab_topframe;
9746
9747 if (ssop_flags & SSOP_BUFFERS)
9748 only_save_windows = FALSE; /* Save ALL buffers */
9749
9750 /*
9751 * Begin by setting the this_session variable, and then other
9752 * sessionable variables.
9753 */
9754 #ifdef FEAT_EVAL
9755 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9756 return FAIL;
9757 if (ssop_flags & SSOP_GLOBALS)
9758 if (store_session_globals(fd) == FAIL)
9759 return FAIL;
9760 #endif
9761
9762 /*
9763 * Close all windows but one.
9764 */
9765 if (put_line(fd, "silent only") == FAIL)
9766 return FAIL;
9767
9768 /*
9769 * Now a :cd command to the session directory or the current directory
9770 */
9771 if (ssop_flags & SSOP_SESDIR)
9772 {
9773 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9774 == FAIL)
9775 return FAIL;
9776 }
9777 else if (ssop_flags & SSOP_CURDIR)
9778 {
9779 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9780 if (sname == NULL
9781 || fputs("cd ", fd) < 0
9782 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9783 || put_eol(fd) == FAIL)
9784 {
9785 vim_free(sname);
9786 return FAIL;
9787 }
9788 vim_free(sname);
9789 }
9790
9791 /*
9792 * If there is an empty, unnamed buffer we will wipe it out later.
9793 * Remember the buffer number.
9794 */
9795 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9796 return FAIL;
9797 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9798 return FAIL;
9799 if (put_line(fd, "endif") == FAIL)
9800 return FAIL;
9801
9802 /*
9803 * Now save the current files, current buffer first.
9804 */
9805 if (put_line(fd, "set shortmess=aoO") == FAIL)
9806 return FAIL;
9807
9808 /* Now put the other buffers into the buffer list */
9809 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9810 {
9811 if (!(only_save_windows && buf->b_nwindows == 0)
9812 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9813 && buf->b_fname != NULL
9814 && buf->b_p_bl)
9815 {
9816 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9817 : buf->b_wininfo->wi_fpos.lnum) < 0
9818 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9819 return FAIL;
9820 }
9821 }
9822
9823 /* the global argument list */
9824 if (ses_arglist(fd, "args", &global_alist.al_ga,
9825 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9826 return FAIL;
9827
9828 if (ssop_flags & SSOP_RESIZE)
9829 {
9830 /* Note: after the restore we still check it worked!*/
9831 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9832 || put_eol(fd) == FAIL)
9833 return FAIL;
9834 }
9835
9836 #ifdef FEAT_GUI
9837 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9838 {
9839 int x, y;
9840
9841 if (gui_mch_get_winpos(&x, &y) == OK)
9842 {
9843 /* Note: after the restore we still check it worked!*/
9844 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9845 return FAIL;
9846 }
9847 }
9848 #endif
9849
9850 /*
9851 * May repeat putting Windows for each tab, when "tabpages" is in
9852 * 'sessionoptions'.
9853 * Don't use goto_tabpage(), it may change directory and trigger
9854 * autocommands.
9855 */
9856 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9857 tab_topframe = topframe;
9858 for (tabnr = 1; ; ++tabnr)
9859 {
9860 int need_tabnew = FALSE;
9861
9862 if ((ssop_flags & SSOP_TABPAGES))
9863 {
9864 tabpage_T *tp = find_tabpage(tabnr);
9865
9866 if (tp == NULL)
9867 break; /* done all tab pages */
9868 if (tp == curtab)
9869 {
9870 tab_firstwin = firstwin;
9871 tab_topframe = topframe;
9872 }
9873 else
9874 {
9875 tab_firstwin = tp->tp_firstwin;
9876 tab_topframe = tp->tp_topframe;
9877 }
9878 if (tabnr > 1)
9879 need_tabnew = TRUE;
9880 }
9881
9882 /*
9883 * Before creating the window layout, try loading one file. If this
9884 * is aborted we don't end up with a number of useless windows.
9885 * This may have side effects! (e.g., compressed or network file).
9886 */
9887 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9888 {
9889 if (ses_do_win(wp)
9890 && wp->w_buffer->b_ffname != NULL
9891 && !wp->w_buffer->b_help
9892 #ifdef FEAT_QUICKFIX
9893 && !bt_nofile(wp->w_buffer)
9894 #endif
9895 )
9896 {
9897 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9898 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9899 return FAIL;
9900 need_tabnew = FALSE;
9901 if (!wp->w_arg_idx_invalid)
9902 edited_win = wp;
9903 break;
9904 }
9905 }
9906
9907 /* If no file got edited create an empty tab page. */
9908 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9909 return FAIL;
9910
9911 /*
9912 * Save current window layout.
9913 */
9914 if (put_line(fd, "set splitbelow splitright") == FAIL)
9915 return FAIL;
9916 if (ses_win_rec(fd, tab_topframe) == FAIL)
9917 return FAIL;
9918 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9919 return FAIL;
9920 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9921 return FAIL;
9922
9923 /*
9924 * Check if window sizes can be restored (no windows omitted).
9925 * Remember the window number of the current window after restoring.
9926 */
9927 nr = 0;
9928 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9929 {
9930 if (ses_do_win(wp))
9931 ++nr;
9932 else
9933 restore_size = FALSE;
9934 if (curwin == wp)
9935 cnr = nr;
9936 }
9937
9938 /* Go to the first window. */
9939 if (put_line(fd, "wincmd t") == FAIL)
9940 return FAIL;
9941
9942 /*
9943 * If more than one window, see if sizes can be restored.
9944 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9945 * resized when moving between windows.
9946 * Do this before restoring the view, so that the topline and the
9947 * cursor can be set. This is done again below.
9948 */
9949 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9950 return FAIL;
9951 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9952 return FAIL;
9953
9954 /*
9955 * Restore the view of the window (options, file, cursor, etc.).
9956 */
9957 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9958 {
9959 if (!ses_do_win(wp))
9960 continue;
9961 if (put_view(fd, wp, wp != edited_win, &ssop_flags) == FAIL)
9962 return FAIL;
9963 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
9964 return FAIL;
9965 }
9966
9967 /*
9968 * Restore cursor to the current window if it's not the first one.
9969 */
9970 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
9971 || put_eol(fd) == FAIL))
9972 return FAIL;
9973
9974 /*
9975 * Restore window sizes again after jumping around in windows, because
9976 * the current window has a minimum size while others may not.
9977 */
9978 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9979 return FAIL;
9980
9981 /* Don't continue in another tab page when doing only the current one
9982 * or when at the last tab page. */
9983 if (!(ssop_flags & SSOP_TABPAGES))
9984 break;
9985 }
9986
9987 if (ssop_flags & SSOP_TABPAGES)
9988 {
9989 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
9990 || put_eol(fd) == FAIL)
9991 return FAIL;
9992 }
9993
9994 /*
9995 * Wipe out an empty unnamed buffer we started in.
9996 */
9997 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
9998 return FAIL;
9999 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10000 return FAIL;
10001 if (put_line(fd, "endif") == FAIL)
10002 return FAIL;
10003 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10004 return FAIL;
10005
10006 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10007 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10008 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10009 return FAIL;
10010
10011 /*
10012 * Lastly, execute the x.vim file if it exists.
10013 */
10014 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10015 || put_line(fd, "if file_readable(s:sx)") == FAIL
10016 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10017 || put_line(fd, "endif") == FAIL)
10018 return FAIL;
10019
10020 return OK;
10021 }
10022
10023 static int
10024 ses_winsizes(fd, restore_size, tab_firstwin)
10025 FILE *fd;
10026 int restore_size;
10027 win_T *tab_firstwin;
10028 {
10029 int n = 0;
10030 win_T *wp;
10031
10032 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10033 {
10034 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10035 {
10036 if (!ses_do_win(wp))
10037 continue;
10038 ++n;
10039
10040 /* restore height when not full height */
10041 if (wp->w_height + wp->w_status_height < topframe->fr_height
10042 && (fprintf(fd,
10043 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10044 n, (long)wp->w_height, Rows / 2, Rows) < 0
10045 || put_eol(fd) == FAIL))
10046 return FAIL;
10047
10048 /* restore width when not full width */
10049 if (wp->w_width < Columns && (fprintf(fd,
10050 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10051 n, (long)wp->w_width, Columns / 2, Columns) < 0
10052 || put_eol(fd) == FAIL))
10053 return FAIL;
10054 }
10055 }
10056 else
10057 {
10058 /* Just equalise window sizes */
10059 if (put_line(fd, "wincmd =") == FAIL)
10060 return FAIL;
10061 }
10062 return OK;
10063 }
10064
10065 /*
10066 * Write commands to "fd" to recursively create windows for frame "fr",
10067 * horizontally and vertically split.
10068 * After the commands the last window in the frame is the current window.
10069 * Returns FAIL when writing the commands to "fd" fails.
10070 */
10071 static int
10072 ses_win_rec(fd, fr)
10073 FILE *fd;
10074 frame_T *fr;
10075 {
10076 frame_T *frc;
10077 int count = 0;
10078
10079 if (fr->fr_layout != FR_LEAF)
10080 {
10081 /* Find first frame that's not skipped and then create a window for
10082 * each following one (first frame is already there). */
10083 frc = ses_skipframe(fr->fr_child);
10084 if (frc != NULL)
10085 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10086 {
10087 /* Make window as big as possible so that we have lots of room
10088 * to split. */
10089 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10090 || put_line(fd, fr->fr_layout == FR_COL
10091 ? "split" : "vsplit") == FAIL)
10092 return FAIL;
10093 ++count;
10094 }
10095
10096 /* Go back to the first window. */
10097 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10098 ? "%dwincmd k" : "%dwincmd h", count) < 0
10099 || put_eol(fd) == FAIL))
10100 return FAIL;
10101
10102 /* Recursively create frames/windows in each window of this column or
10103 * row. */
10104 frc = ses_skipframe(fr->fr_child);
10105 while (frc != NULL)
10106 {
10107 ses_win_rec(fd, frc);
10108 frc = ses_skipframe(frc->fr_next);
10109 /* Go to next window. */
10110 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10111 return FAIL;
10112 }
10113 }
10114 return OK;
10115 }
10116
10117 /*
10118 * Skip frames that don't contain windows we want to save in the Session.
10119 * Returns NULL when there none.
10120 */
10121 static frame_T *
10122 ses_skipframe(fr)
10123 frame_T *fr;
10124 {
10125 frame_T *frc;
10126
10127 for (frc = fr; frc != NULL; frc = frc->fr_next)
10128 if (ses_do_frame(frc))
10129 break;
10130 return frc;
10131 }
10132
10133 /*
10134 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10135 * the Session.
10136 */
10137 static int
10138 ses_do_frame(fr)
10139 frame_T *fr;
10140 {
10141 frame_T *frc;
10142
10143 if (fr->fr_layout == FR_LEAF)
10144 return ses_do_win(fr->fr_win);
10145 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10146 if (ses_do_frame(frc))
10147 return TRUE;
10148 return FALSE;
10149 }
10150
10151 /*
10152 * Return non-zero if window "wp" is to be stored in the Session.
10153 */
10154 static int
10155 ses_do_win(wp)
10156 win_T *wp;
10157 {
10158 if (wp->w_buffer->b_fname == NULL
10159 #ifdef FEAT_QUICKFIX
10160 /* When 'buftype' is "nofile" can't restore the window contents. */
10161 || bt_nofile(wp->w_buffer)
10162 #endif
10163 )
10164 return (ssop_flags & SSOP_BLANK);
10165 if (wp->w_buffer->b_help)
10166 return (ssop_flags & SSOP_HELP);
10167 return TRUE;
10168 }
10169
10170 /*
10171 * Write commands to "fd" to restore the view of a window.
10172 * Caller must make sure 'scrolloff' is zero.
10173 */
10174 static int
10175 put_view(fd, wp, add_edit, flagp)
10176 FILE *fd;
10177 win_T *wp;
10178 int add_edit; /* add ":edit" command to view */
10179 unsigned *flagp; /* vop_flags or ssop_flags */
10180 {
10181 win_T *save_curwin;
10182 int f;
10183 int do_cursor;
10184 int did_next = FALSE;
10185
10186 /* Always restore cursor position for ":mksession". For ":mkview" only
10187 * when 'viewoptions' contains "cursor". */
10188 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10189
10190 /*
10191 * Local argument list.
10192 */
10193 if (wp->w_alist == &global_alist)
10194 {
10195 if (put_line(fd, "argglobal") == FAIL)
10196 return FAIL;
10197 }
10198 else
10199 {
10200 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10201 flagp == &vop_flags
10202 || !(*flagp & SSOP_CURDIR)
10203 || wp->w_localdir != NULL, flagp) == FAIL)
10204 return FAIL;
10205 }
10206
10207 /* Only when part of a session: restore the argument index. Some
10208 * arguments may have been deleted, check if the index is valid. */
10209 if (wp->w_arg_idx != 0 && wp->w_arg_idx <= WARGCOUNT(wp)
10210 && flagp == &ssop_flags)
10211 {
10212 if (fprintf(fd, "%ldnext", (long)wp->w_arg_idx) < 0
10213 || put_eol(fd) == FAIL)
10214 return FAIL;
10215 did_next = TRUE;
10216 }
10217
10218 /* Edit the file. Skip this when ":next" already did it. */
10219 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10220 {
10221 /*
10222 * Load the file.
10223 */
10224 if (wp->w_buffer->b_ffname != NULL
10225 #ifdef FEAT_QUICKFIX
10226 && !bt_nofile(wp->w_buffer)
10227 #endif
10228 )
10229 {
10230 /*
10231 * Editing a file in this buffer: use ":edit file".
10232 * This may have side effects! (e.g., compressed or network file).
10233 */
10234 if (fputs("edit ", fd) < 0
10235 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10236 return FAIL;
10237 }
10238 else
10239 {
10240 /* No file in this buffer, just make it empty. */
10241 if (put_line(fd, "enew") == FAIL)
10242 return FAIL;
10243 #ifdef FEAT_QUICKFIX
10244 if (wp->w_buffer->b_ffname != NULL)
10245 {
10246 /* The buffer does have a name, but it's not a file name. */
10247 if (fputs("file ", fd) < 0
10248 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10249 return FAIL;
10250 }
10251 #endif
10252 do_cursor = FALSE;
10253 }
10254 }
10255
10256 /*
10257 * Local mappings and abbreviations.
10258 */
10259 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10260 && makemap(fd, wp->w_buffer) == FAIL)
10261 return FAIL;
10262
10263 /*
10264 * Local options. Need to go to the window temporarily.
10265 * Store only local values when using ":mkview" and when ":mksession" is
10266 * used and 'sessionoptions' doesn't include "options".
10267 * Some folding options are always stored when "folds" is included,
10268 * otherwise the folds would not be restored correctly.
10269 */
10270 save_curwin = curwin;
10271 curwin = wp;
10272 curbuf = curwin->w_buffer;
10273 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10274 f = makeset(fd, OPT_LOCAL,
10275 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10276 #ifdef FEAT_FOLDING
10277 else if (*flagp & SSOP_FOLDS)
10278 f = makefoldset(fd);
10279 #endif
10280 else
10281 f = OK;
10282 curwin = save_curwin;
10283 curbuf = curwin->w_buffer;
10284 if (f == FAIL)
10285 return FAIL;
10286
10287 #ifdef FEAT_FOLDING
10288 /*
10289 * Save Folds when 'buftype' is empty and for help files.
10290 */
10291 if ((*flagp & SSOP_FOLDS)
10292 && wp->w_buffer->b_ffname != NULL
10293 # ifdef FEAT_QUICKFIX
10294 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10295 # endif
10296 )
10297 {
10298 if (put_folds(fd, wp) == FAIL)
10299 return FAIL;
10300 }
10301 #endif
10302
10303 /*
10304 * Set the cursor after creating folds, since that moves the cursor.
10305 */
10306 if (do_cursor)
10307 {
10308
10309 /* Restore the cursor line in the file and relatively in the
10310 * window. Don't use "G", it changes the jumplist. */
10311 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10312 (long)wp->w_cursor.lnum,
10313 (long)(wp->w_cursor.lnum - wp->w_topline),
10314 (long)wp->w_height / 2, (long)wp->w_height) < 0
10315 || put_eol(fd) == FAIL
10316 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10317 || put_line(fd, "exe s:l") == FAIL
10318 || put_line(fd, "normal! zt") == FAIL
10319 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10320 || put_eol(fd) == FAIL)
10321 return FAIL;
10322 /* Restore the cursor column and left offset when not wrapping. */
10323 if (wp->w_cursor.col == 0)
10324 {
10325 if (put_line(fd, "normal! 0") == FAIL)
10326 return FAIL;
10327 }
10328 else
10329 {
10330 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10331 {
10332 if (fprintf(fd,
10333 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10334 (long)wp->w_cursor.col,
10335 (long)(wp->w_cursor.col - wp->w_leftcol),
10336 (long)wp->w_width / 2, (long)wp->w_width) < 0
10337 || put_eol(fd) == FAIL
10338 || put_line(fd, "if s:c > 0") == FAIL
10339 || fprintf(fd,
10340 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10341 (long)wp->w_cursor.col) < 0
10342 || put_eol(fd) == FAIL
10343 || put_line(fd, "else") == FAIL
10344 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10345 || put_eol(fd) == FAIL
10346 || put_line(fd, "endif") == FAIL)
10347 return FAIL;
10348 }
10349 else
10350 {
10351 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10352 || put_eol(fd) == FAIL)
10353 return FAIL;
10354 }
10355 }
10356 }
10357
10358 /*
10359 * Local directory.
10360 */
10361 if (wp->w_localdir != NULL)
10362 {
10363 if (fputs("lcd ", fd) < 0
10364 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10365 || put_eol(fd) == FAIL)
10366 return FAIL;
10367 did_lcd = TRUE;
10368 }
10369
10370 return OK;
10371 }
10372
10373 /*
10374 * Write an argument list to the session file.
10375 * Returns FAIL if writing fails.
10376 */
10377 static int
10378 ses_arglist(fd, cmd, gap, fullname, flagp)
10379 FILE *fd;
10380 char *cmd;
10381 garray_T *gap;
10382 int fullname; /* TRUE: use full path name */
10383 unsigned *flagp;
10384 {
10385 int i;
10386 char_u buf[MAXPATHL];
10387 char_u *s;
10388
10389 if (gap->ga_len == 0)
10390 return put_line(fd, "silent! argdel *");
10391 if (fputs(cmd, fd) < 0)
10392 return FAIL;
10393 for (i = 0; i < gap->ga_len; ++i)
10394 {
10395 /* NULL file names are skipped (only happens when out of memory). */
10396 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10397 if (s != NULL)
10398 {
10399 if (fullname)
10400 {
10401 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10402 s = buf;
10403 }
10404 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10405 return FAIL;
10406 }
10407 }
10408 return put_eol(fd);
10409 }
10410
10411 /*
10412 * Write a buffer name to the session file.
10413 * Also ends the line.
10414 * Returns FAIL if writing fails.
10415 */
10416 static int
10417 ses_fname(fd, buf, flagp)
10418 FILE *fd;
10419 buf_T *buf;
10420 unsigned *flagp;
10421 {
10422 char_u *name;
10423
10424 /* Use the short file name if the current directory is known at the time
10425 * the session file will be sourced.
10426 * Don't do this for ":mkview", we don't know the current directory.
10427 * Don't do this after ":lcd", we don't keep track of what the current
10428 * directory is. */
10429 if (buf->b_sfname != NULL
10430 && flagp == &ssop_flags
10431 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10432 && !did_lcd)
10433 name = buf->b_sfname;
10434 else
10435 name = buf->b_ffname;
10436 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10437 return FAIL;
10438 return OK;
10439 }
10440
10441 /*
10442 * Write a file name to the session file.
10443 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10444 * characters.
10445 * Returns FAIL if writing fails.
10446 */
10447 static int
10448 ses_put_fname(fd, name, flagp)
10449 FILE *fd;
10450 char_u *name;
10451 unsigned *flagp;
10452 {
10453 char_u *sname;
10454 int retval = OK;
10455 int c;
10456
10457 sname = home_replace_save(NULL, name);
10458 if (sname != NULL)
10459 name = sname;
10460 while (*name != NUL)
10461 {
10462 #ifdef FEAT_MBYTE
10463 {
10464 int l;
10465
10466 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10467 {
10468 /* copy a multibyte char */
10469 while (--l >= 0)
10470 {
10471 if (putc(*name, fd) != *name)
10472 retval = FAIL;
10473 ++name;
10474 }
10475 continue;
10476 }
10477 }
10478 #endif
10479 c = *name++;
10480 if (c == '\\' && (*flagp & SSOP_SLASH))
10481 /* change a backslash to a forward slash */
10482 c = '/';
10483 else if ((vim_strchr(escape_chars, c) != NULL
10484 #ifdef BACKSLASH_IN_FILENAME
10485 && c != '\\'
10486 #endif
10487 ) || c == '#' || c == '%')
10488 {
10489 /* escape a special character with a backslash */
10490 if (putc('\\', fd) != '\\')
10491 retval = FAIL;
10492 }
10493 if (putc(c, fd) != c)
10494 retval = FAIL;
10495 }
10496 vim_free(sname);
10497 return retval;
10498 }
10499
10500 /*
10501 * ":loadview [nr]"
10502 */
10503 static void
10504 ex_loadview(eap)
10505 exarg_T *eap;
10506 {
10507 char_u *fname;
10508
10509 fname = get_view_file(*eap->arg);
10510 if (fname != NULL)
10511 {
10512 do_source(fname, FALSE, DOSO_NONE);
10513 vim_free(fname);
10514 }
10515 }
10516
10517 /*
10518 * Get the name of the view file for the current buffer.
10519 */
10520 static char_u *
10521 get_view_file(c)
10522 int c;
10523 {
10524 int len = 0;
10525 char_u *p, *s;
10526 char_u *retval;
10527 char_u *sname;
10528
10529 if (curbuf->b_ffname == NULL)
10530 {
10531 EMSG(_(e_noname));
10532 return NULL;
10533 }
10534 sname = home_replace_save(NULL, curbuf->b_ffname);
10535 if (sname == NULL)
10536 return NULL;
10537
10538 /*
10539 * We want a file name without separators, because we're not going to make
10540 * a directory.
10541 * "normal" path separator -> "=+"
10542 * "=" -> "=="
10543 * ":" path separator -> "=-"
10544 */
10545 for (p = sname; *p; ++p)
10546 if (*p == '=' || vim_ispathsep(*p))
10547 ++len;
10548 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10549 if (retval != NULL)
10550 {
10551 STRCPY(retval, p_vdir);
10552 add_pathsep(retval);
10553 s = retval + STRLEN(retval);
10554 for (p = sname; *p; ++p)
10555 {
10556 if (*p == '=')
10557 {
10558 *s++ = '=';
10559 *s++ = '=';
10560 }
10561 else if (vim_ispathsep(*p))
10562 {
10563 *s++ = '=';
10564 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10565 || defined(VMS)
10566 if (*p == ':')
10567 *s++ = '-';
10568 else
10569 #endif
10570 *s++ = '+';
10571 }
10572 else
10573 *s++ = *p;
10574 }
10575 *s++ = '=';
10576 *s++ = c;
10577 STRCPY(s, ".vim");
10578 }
10579
10580 vim_free(sname);
10581 return retval;
10582 }
10583
10584 #endif /* FEAT_SESSION */
10585
10586 /*
10587 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10588 * Return FAIL for a write error.
10589 */
10590 int
10591 put_eol(fd)
10592 FILE *fd;
10593 {
10594 if (
10595 #ifdef USE_CRNL
10596 (
10597 # ifdef MKSESSION_NL
10598 !mksession_nl &&
10599 # endif
10600 (putc('\r', fd) < 0)) ||
10601 #endif
10602 (putc('\n', fd) < 0))
10603 return FAIL;
10604 return OK;
10605 }
10606
10607 /*
10608 * Write a line to "fd".
10609 * Return FAIL for a write error.
10610 */
10611 int
10612 put_line(fd, s)
10613 FILE *fd;
10614 char *s;
10615 {
10616 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10617 return FAIL;
10618 return OK;
10619 }
10620
10621 #ifdef FEAT_VIMINFO
10622 /*
10623 * ":rviminfo" and ":wviminfo".
10624 */
10625 static void
10626 ex_viminfo(eap)
10627 exarg_T *eap;
10628 {
10629 char_u *save_viminfo;
10630
10631 save_viminfo = p_viminfo;
10632 if (*p_viminfo == NUL)
10633 p_viminfo = (char_u *)"'100";
10634 if (eap->cmdidx == CMD_rviminfo)
10635 {
10636 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10637 EMSG(_("E195: Cannot open viminfo file for reading"));
10638 }
10639 else
10640 write_viminfo(eap->arg, eap->forceit);
10641 p_viminfo = save_viminfo;
10642 }
10643 #endif
10644
10645 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10646 /*
10647 * Make a dialog message in "buff[IOSIZE]".
10648 * "format" must contain "%s".
10649 */
10650 void
10651 dialog_msg(buff, format, fname)
10652 char_u *buff;
10653 char *format;
10654 char_u *fname;
10655 {
10656 if (fname == NULL)
10657 fname = (char_u *)_("Untitled");
10658 vim_snprintf((char *)buff, IOSIZE, format, fname);
10659 }
10660 #endif
10661
10662 /*
10663 * ":behave {mswin,xterm}"
10664 */
10665 static void
10666 ex_behave(eap)
10667 exarg_T *eap;
10668 {
10669 if (STRCMP(eap->arg, "mswin") == 0)
10670 {
10671 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10672 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10673 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10674 set_option_value((char_u *)"keymodel", 0L,
10675 (char_u *)"startsel,stopsel", 0);
10676 }
10677 else if (STRCMP(eap->arg, "xterm") == 0)
10678 {
10679 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10680 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10681 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10682 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10683 }
10684 else
10685 EMSG2(_(e_invarg2), eap->arg);
10686 }
10687
10688 #ifdef FEAT_AUTOCMD
10689 static int filetype_detect = FALSE;
10690 static int filetype_plugin = FALSE;
10691 static int filetype_indent = FALSE;
10692
10693 /*
10694 * ":filetype [plugin] [indent] {on,off,detect}"
10695 * on: Load the filetype.vim file to install autocommands for file types.
10696 * off: Load the ftoff.vim file to remove all autocommands for file types.
10697 * plugin on: load filetype.vim and ftplugin.vim
10698 * plugin off: load ftplugof.vim
10699 * indent on: load filetype.vim and indent.vim
10700 * indent off: load indoff.vim
10701 */
10702 static void
10703 ex_filetype(eap)
10704 exarg_T *eap;
10705 {
10706 char_u *arg = eap->arg;
10707 int plugin = FALSE;
10708 int indent = FALSE;
10709
10710 if (*eap->arg == NUL)
10711 {
10712 /* Print current status. */
10713 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10714 filetype_detect ? "ON" : "OFF",
10715 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10716 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10717 return;
10718 }
10719
10720 /* Accept "plugin" and "indent" in any order. */
10721 for (;;)
10722 {
10723 if (STRNCMP(arg, "plugin", 6) == 0)
10724 {
10725 plugin = TRUE;
10726 arg = skipwhite(arg + 6);
10727 continue;
10728 }
10729 if (STRNCMP(arg, "indent", 6) == 0)
10730 {
10731 indent = TRUE;
10732 arg = skipwhite(arg + 6);
10733 continue;
10734 }
10735 break;
10736 }
10737 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10738 {
10739 if (*arg == 'o' || !filetype_detect)
10740 {
10741 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10742 filetype_detect = TRUE;
10743 if (plugin)
10744 {
10745 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10746 filetype_plugin = TRUE;
10747 }
10748 if (indent)
10749 {
10750 source_runtime((char_u *)INDENT_FILE, TRUE);
10751 filetype_indent = TRUE;
10752 }
10753 }
10754 if (*arg == 'd')
10755 {
10756 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10757 do_modelines(0);
10758 }
10759 }
10760 else if (STRCMP(arg, "off") == 0)
10761 {
10762 if (plugin || indent)
10763 {
10764 if (plugin)
10765 {
10766 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10767 filetype_plugin = FALSE;
10768 }
10769 if (indent)
10770 {
10771 source_runtime((char_u *)INDOFF_FILE, TRUE);
10772 filetype_indent = FALSE;
10773 }
10774 }
10775 else
10776 {
10777 source_runtime((char_u *)FTOFF_FILE, TRUE);
10778 filetype_detect = FALSE;
10779 }
10780 }
10781 else
10782 EMSG2(_(e_invarg2), arg);
10783 }
10784
10785 /*
10786 * ":setfiletype {name}"
10787 */
10788 static void
10789 ex_setfiletype(eap)
10790 exarg_T *eap;
10791 {
10792 if (!did_filetype)
10793 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10794 }
10795 #endif
10796
10797 /*ARGSUSED*/
10798 static void
10799 ex_digraphs(eap)
10800 exarg_T *eap;
10801 {
10802 #ifdef FEAT_DIGRAPHS
10803 if (*eap->arg != NUL)
10804 putdigraph(eap->arg);
10805 else
10806 listdigraphs();
10807 #else
10808 EMSG(_("E196: No digraphs in this version"));
10809 #endif
10810 }
10811
10812 static void
10813 ex_set(eap)
10814 exarg_T *eap;
10815 {
10816 int flags = 0;
10817
10818 if (eap->cmdidx == CMD_setlocal)
10819 flags = OPT_LOCAL;
10820 else if (eap->cmdidx == CMD_setglobal)
10821 flags = OPT_GLOBAL;
10822 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10823 if (cmdmod.browse && flags == 0)
10824 ex_options(eap);
10825 else
10826 #endif
10827 (void)do_set(eap->arg, flags);
10828 }
10829
10830 #ifdef FEAT_SEARCH_EXTRA
10831 /*
10832 * ":nohlsearch"
10833 */
10834 /*ARGSUSED*/
10835 static void
10836 ex_nohlsearch(eap)
10837 exarg_T *eap;
10838 {
10839 no_hlsearch = TRUE;
10840 redraw_all_later(SOME_VALID);
10841 }
10842
10843 /*
10844 * ":[N]match {group} {pattern}"
10845 * Sets nextcmd to the start of the next command, if any. Also called when
10846 * skipping commands to find the next command.
10847 */
10848 static void
10849 ex_match(eap)
10850 exarg_T *eap;
10851 {
10852 char_u *p;
10853 char_u *g = NULL;
10854 char_u *end;
10855 int c;
10856 int id;
10857
10858 if (eap->line2 <= 3)
10859 id = eap->line2;
10860 else
10861 {
10862 EMSG(e_invcmd);
10863 return;
10864 }
10865
10866 /* First clear any old pattern. */
10867 if (!eap->skip)
10868 match_delete(curwin, id, FALSE);
10869
10870 if (ends_excmd(*eap->arg))
10871 end = eap->arg;
10872 else if ((STRNICMP(eap->arg, "none", 4) == 0
10873 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10874 end = eap->arg + 4;
10875 else
10876 {
10877 p = skiptowhite(eap->arg);
10878 if (!eap->skip)
10879 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10880 p = skipwhite(p);
10881 if (*p == NUL)
10882 {
10883 /* There must be two arguments. */
10884 EMSG2(_(e_invarg2), eap->arg);
10885 return;
10886 }
10887 end = skip_regexp(p + 1, *p, TRUE, NULL);
10888 if (!eap->skip)
10889 {
10890 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10891 {
10892 eap->errmsg = e_trailing;
10893 return;
10894 }
10895 if (*end != *p)
10896 {
10897 EMSG2(_(e_invarg2), p);
10898 return;
10899 }
10900
10901 c = *end;
10902 *end = NUL;
10903 match_add(curwin, g, p + 1, 10, id);
10904 vim_free(g);
10905 *end = c;
10906 }
10907 }
10908 eap->nextcmd = find_nextcmd(end);
10909 }
10910 #endif
10911
10912 #ifdef FEAT_CRYPT
10913 /*
10914 * ":X": Get crypt key
10915 */
10916 /*ARGSUSED*/
10917 static void
10918 ex_X(eap)
10919 exarg_T *eap;
10920 {
10921 (void)get_crypt_key(TRUE, TRUE);
10922 }
10923 #endif
10924
10925 #ifdef FEAT_FOLDING
10926 static void
10927 ex_fold(eap)
10928 exarg_T *eap;
10929 {
10930 if (foldManualAllowed(TRUE))
10931 foldCreate(eap->line1, eap->line2);
10932 }
10933
10934 static void
10935 ex_foldopen(eap)
10936 exarg_T *eap;
10937 {
10938 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10939 eap->forceit, FALSE);
10940 }
10941
10942 static void
10943 ex_folddo(eap)
10944 exarg_T *eap;
10945 {
10946 linenr_T lnum;
10947
10948 /* First set the marks for all lines closed/open. */
10949 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10950 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10951 ml_setmarked(lnum);
10952
10953 /* Execute the command on the marked lines. */
10954 global_exe(eap->arg);
10955 ml_clearmarked(); /* clear rest of the marks */
10956 }
10957 #endif