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Merged from the latest developing branch.
[MacVim/jjgod.git] / src / ex_docmd.c
blob72b939bdb67d6c6e60a6fad3acfdee7b2ea128ab
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_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
219 static void ex_popup __ARGS((exarg_T *eap));
220 #else
221 # define ex_popup ex_ni
222 #endif
223 #ifndef FEAT_GUI_MSWIN
224 # define ex_simalt ex_ni
225 #endif
226 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
227 # define gui_mch_find_dialog ex_ni
228 # define gui_mch_replace_dialog ex_ni
229 #endif
230 #if !defined(FEAT_GUI_GTK)
231 # define ex_helpfind ex_ni
232 #endif
233 #ifndef FEAT_CSCOPE
234 # define do_cscope ex_ni
235 # define do_scscope ex_ni
236 # define do_cstag ex_ni
237 #endif
238 #ifndef FEAT_SYN_HL
239 # define ex_syntax ex_ni
240 #endif
241 #ifndef FEAT_SPELL
242 # define ex_spell ex_ni
243 # define ex_mkspell ex_ni
244 # define ex_spelldump ex_ni
245 # define ex_spellinfo ex_ni
246 # define ex_spellrepall ex_ni
247 #endif
248 #ifndef FEAT_MZSCHEME
249 # define ex_mzscheme ex_script_ni
250 # define ex_mzfile ex_ni
251 #endif
252 #ifndef FEAT_PERL
253 # define ex_perl ex_script_ni
254 # define ex_perldo ex_ni
255 #endif
256 #ifndef FEAT_PYTHON
257 # define ex_python ex_script_ni
258 # define ex_pyfile ex_ni
259 #endif
260 #ifndef FEAT_TCL
261 # define ex_tcl ex_script_ni
262 # define ex_tcldo ex_ni
263 # define ex_tclfile ex_ni
264 #endif
265 #ifndef FEAT_RUBY
266 # define ex_ruby ex_script_ni
267 # define ex_rubydo ex_ni
268 # define ex_rubyfile ex_ni
269 #endif
270 #ifndef FEAT_SNIFF
271 # define ex_sniff ex_ni
272 #endif
273 #ifndef FEAT_KEYMAP
274 # define ex_loadkeymap ex_ni
275 #endif
276 static void ex_swapname __ARGS((exarg_T *eap));
277 static void ex_syncbind __ARGS((exarg_T *eap));
278 static void ex_read __ARGS((exarg_T *eap));
279 static void ex_pwd __ARGS((exarg_T *eap));
280 static void ex_equal __ARGS((exarg_T *eap));
281 static void ex_sleep __ARGS((exarg_T *eap));
282 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
283 static void ex_winsize __ARGS((exarg_T *eap));
284 #ifdef FEAT_WINDOWS
285 static void ex_wincmd __ARGS((exarg_T *eap));
286 #else
287 # define ex_wincmd ex_ni
288 #endif
289 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
290 static void ex_winpos __ARGS((exarg_T *eap));
291 #else
292 # define ex_winpos ex_ni
293 #endif
294 static void ex_operators __ARGS((exarg_T *eap));
295 static void ex_put __ARGS((exarg_T *eap));
296 static void ex_copymove __ARGS((exarg_T *eap));
297 static void ex_may_print __ARGS((exarg_T *eap));
298 static void ex_submagic __ARGS((exarg_T *eap));
299 static void ex_join __ARGS((exarg_T *eap));
300 static void ex_at __ARGS((exarg_T *eap));
301 static void ex_bang __ARGS((exarg_T *eap));
302 static void ex_undo __ARGS((exarg_T *eap));
303 static void ex_redo __ARGS((exarg_T *eap));
304 static void ex_later __ARGS((exarg_T *eap));
305 static void ex_redir __ARGS((exarg_T *eap));
306 static void ex_redraw __ARGS((exarg_T *eap));
307 static void ex_redrawstatus __ARGS((exarg_T *eap));
308 static void close_redir __ARGS((void));
309 static void ex_mkrc __ARGS((exarg_T *eap));
310 static void ex_mark __ARGS((exarg_T *eap));
311 #ifdef FEAT_USR_CMDS
312 static char_u *uc_fun_cmd __ARGS((void));
313 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
314 #endif
315 #ifdef FEAT_EX_EXTRA
316 static void ex_normal __ARGS((exarg_T *eap));
317 static void ex_startinsert __ARGS((exarg_T *eap));
318 static void ex_stopinsert __ARGS((exarg_T *eap));
319 #else
320 # define ex_normal ex_ni
321 # define ex_align ex_ni
322 # define ex_retab ex_ni
323 # define ex_startinsert ex_ni
324 # define ex_stopinsert ex_ni
325 # define ex_helptags ex_ni
326 # define ex_sort ex_ni
327 #endif
328 #ifdef FEAT_FIND_ID
329 static void ex_checkpath __ARGS((exarg_T *eap));
330 static void ex_findpat __ARGS((exarg_T *eap));
331 #else
332 # define ex_findpat ex_ni
333 # define ex_checkpath ex_ni
334 #endif
335 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
336 static void ex_psearch __ARGS((exarg_T *eap));
337 #else
338 # define ex_psearch ex_ni
339 #endif
340 static void ex_tag __ARGS((exarg_T *eap));
341 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
342 #ifndef FEAT_EVAL
343 # define ex_scriptnames ex_ni
344 # define ex_finish ex_ni
345 # define ex_echo ex_ni
346 # define ex_echohl ex_ni
347 # define ex_execute ex_ni
348 # define ex_call ex_ni
349 # define ex_if ex_ni
350 # define ex_endif ex_ni
351 # define ex_else ex_ni
352 # define ex_while ex_ni
353 # define ex_for ex_ni
354 # define ex_continue ex_ni
355 # define ex_break ex_ni
356 # define ex_endwhile ex_ni
357 # define ex_endfor ex_ni
358 # define ex_throw ex_ni
359 # define ex_try ex_ni
360 # define ex_catch ex_ni
361 # define ex_finally ex_ni
362 # define ex_endtry ex_ni
363 # define ex_endfunction ex_ni
364 # define ex_let ex_ni
365 # define ex_unlet ex_ni
366 # define ex_lockvar ex_ni
367 # define ex_unlockvar ex_ni
368 # define ex_function ex_ni
369 # define ex_delfunction ex_ni
370 # define ex_return ex_ni
371 #endif
372 static char_u *arg_all __ARGS((void));
373 #ifdef FEAT_SESSION
374 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
375 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp));
376 static void ex_loadview __ARGS((exarg_T *eap));
377 static char_u *get_view_file __ARGS((int c));
378 static int did_lcd; /* whether ":lcd" was produced for a session */
379 #else
380 # define ex_loadview ex_ni
381 #endif
382 #ifndef FEAT_EVAL
383 # define ex_compiler ex_ni
384 #endif
385 #ifdef FEAT_VIMINFO
386 static void ex_viminfo __ARGS((exarg_T *eap));
387 #else
388 # define ex_viminfo ex_ni
389 #endif
390 static void ex_behave __ARGS((exarg_T *eap));
391 #ifdef FEAT_AUTOCMD
392 static void ex_filetype __ARGS((exarg_T *eap));
393 static void ex_setfiletype __ARGS((exarg_T *eap));
394 #else
395 # define ex_filetype ex_ni
396 # define ex_setfiletype ex_ni
397 #endif
398 #ifndef FEAT_DIFF
399 # define ex_diffoff ex_ni
400 # define ex_diffpatch ex_ni
401 # define ex_diffgetput ex_ni
402 # define ex_diffsplit ex_ni
403 # define ex_diffthis ex_ni
404 # define ex_diffupdate ex_ni
405 #endif
406 static void ex_digraphs __ARGS((exarg_T *eap));
407 static void ex_set __ARGS((exarg_T *eap));
408 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
409 # define ex_options ex_ni
410 #endif
411 #ifdef FEAT_SEARCH_EXTRA
412 static void ex_nohlsearch __ARGS((exarg_T *eap));
413 static void ex_match __ARGS((exarg_T *eap));
414 #else
415 # define ex_nohlsearch ex_ni
416 # define ex_match ex_ni
417 #endif
418 #ifdef FEAT_CRYPT
419 static void ex_X __ARGS((exarg_T *eap));
420 #else
421 # define ex_X ex_ni
422 #endif
423 #ifdef FEAT_FOLDING
424 static void ex_fold __ARGS((exarg_T *eap));
425 static void ex_foldopen __ARGS((exarg_T *eap));
426 static void ex_folddo __ARGS((exarg_T *eap));
427 #else
428 # define ex_fold ex_ni
429 # define ex_foldopen ex_ni
430 # define ex_folddo ex_ni
431 #endif
432 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
433 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
434 # define ex_language ex_ni
435 #endif
436 #ifndef FEAT_SIGNS
437 # define ex_sign ex_ni
438 #endif
439 #ifndef FEAT_SUN_WORKSHOP
440 # define ex_wsverb ex_ni
441 #endif
442 #ifndef FEAT_NETBEANS_INTG
443 # define ex_nbkey ex_ni
444 #endif
445
446 #ifndef FEAT_EVAL
447 # define ex_debug ex_ni
448 # define ex_breakadd ex_ni
449 # define ex_debuggreedy ex_ni
450 # define ex_breakdel ex_ni
451 # define ex_breaklist ex_ni
452 #endif
453
454 #ifndef FEAT_CMDHIST
455 # define ex_history ex_ni
456 #endif
457 #ifndef FEAT_JUMPLIST
458 # define ex_jumps ex_ni
459 # define ex_changes ex_ni
460 #endif
461
462 #ifndef FEAT_PROFILE
463 # define ex_profile ex_ni
464 #endif
465
466 /*
467 * Declare cmdnames[].
468 */
469 #define DO_DECLARE_EXCMD
470 #include "ex_cmds.h"
471
472 /*
473 * Table used to quickly search for a command, based on its first character.
474 */
475 static cmdidx_T cmdidxs[27] =
476 {
477 CMD_append,
478 CMD_buffer,
479 CMD_change,
480 CMD_delete,
481 CMD_edit,
482 CMD_file,
483 CMD_global,
484 CMD_help,
485 CMD_insert,
486 CMD_join,
487 CMD_k,
488 CMD_list,
489 CMD_move,
490 CMD_next,
491 CMD_open,
492 CMD_print,
493 CMD_quit,
494 CMD_read,
495 CMD_substitute,
496 CMD_t,
497 CMD_undo,
498 CMD_vglobal,
499 CMD_write,
500 CMD_xit,
501 CMD_yank,
502 CMD_z,
503 CMD_bang
504 };
505
506 static char_u dollar_command[2] = {'$', 0};
507
508
509 #ifdef FEAT_EVAL
510 /* Struct for storing a line inside a while/for loop */
511 typedef struct
512 {
513 char_u *line; /* command line */
514 linenr_T lnum; /* sourcing_lnum of the line */
515 } wcmd_T;
516
517 /*
518 * Structure used to store info for line position in a while or for loop.
519 * This is required, because do_one_cmd() may invoke ex_function(), which
520 * reads more lines that may come from the while/for loop.
521 */
522 struct loop_cookie
523 {
524 garray_T *lines_gap; /* growarray with line info */
525 int current_line; /* last read line from growarray */
526 int repeating; /* TRUE when looping a second time */
527 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
528 char_u *(*getline) __ARGS((int, void *, int));
529 void *cookie;
530 };
531
532 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
533 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
534 static void free_cmdlines __ARGS((garray_T *gap));
535
536 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
537 struct dbg_stuff
538 {
539 int trylevel;
540 int force_abort;
541 except_T *caught_stack;
542 char_u *vv_exception;
543 char_u *vv_throwpoint;
544 int did_emsg;
545 int got_int;
546 int did_throw;
547 int need_rethrow;
548 int check_cstack;
549 except_T *current_exception;
550 };
551
552 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
553 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
554
555 static void
556 save_dbg_stuff(dsp)
557 struct dbg_stuff *dsp;
558 {
559 dsp->trylevel = trylevel; trylevel = 0;
560 dsp->force_abort = force_abort; force_abort = FALSE;
561 dsp->caught_stack = caught_stack; caught_stack = NULL;
562 dsp->vv_exception = v_exception(NULL);
563 dsp->vv_throwpoint = v_throwpoint(NULL);
564
565 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
566 dsp->did_emsg = did_emsg; did_emsg = FALSE;
567 dsp->got_int = got_int; got_int = FALSE;
568 dsp->did_throw = did_throw; did_throw = FALSE;
569 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
570 dsp->check_cstack = check_cstack; check_cstack = FALSE;
571 dsp->current_exception = current_exception; current_exception = NULL;
572 }
573
574 static void
575 restore_dbg_stuff(dsp)
576 struct dbg_stuff *dsp;
577 {
578 suppress_errthrow = FALSE;
579 trylevel = dsp->trylevel;
580 force_abort = dsp->force_abort;
581 caught_stack = dsp->caught_stack;
582 (void)v_exception(dsp->vv_exception);
583 (void)v_throwpoint(dsp->vv_throwpoint);
584 did_emsg = dsp->did_emsg;
585 got_int = dsp->got_int;
586 did_throw = dsp->did_throw;
587 need_rethrow = dsp->need_rethrow;
588 check_cstack = dsp->check_cstack;
589 current_exception = dsp->current_exception;
590 }
591 #endif
592
593
594 /*
595 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
596 * command is given.
597 */
598 void
599 do_exmode(improved)
600 int improved; /* TRUE for "improved Ex" mode */
601 {
602 int save_msg_scroll;
603 int prev_msg_row;
604 linenr_T prev_line;
605 int changedtick;
606
607 if (improved)
608 exmode_active = EXMODE_VIM;
609 else
610 exmode_active = EXMODE_NORMAL;
611 State = NORMAL;
612
613 /* When using ":global /pat/ visual" and then "Q" we return to continue
614 * the :global command. */
615 if (global_busy)
616 return;
617
618 save_msg_scroll = msg_scroll;
619 ++RedrawingDisabled; /* don't redisplay the window */
620 ++no_wait_return; /* don't wait for return */
621 #ifdef FEAT_GUI
622 /* Ignore scrollbar and mouse events in Ex mode */
623 ++hold_gui_events;
624 #endif
625 #ifdef FEAT_SNIFF
626 want_sniff_request = 0; /* No K_SNIFF wanted */
627 #endif
628
629 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
630 while (exmode_active)
631 {
632 #ifdef FEAT_EX_EXTRA
633 /* Check for a ":normal" command and no more characters left. */
634 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
635 {
636 exmode_active = FALSE;
637 break;
638 }
639 #endif
640 msg_scroll = TRUE;
641 need_wait_return = FALSE;
642 ex_pressedreturn = FALSE;
643 ex_no_reprint = FALSE;
644 changedtick = curbuf->b_changedtick;
645 prev_msg_row = msg_row;
646 prev_line = curwin->w_cursor.lnum;
647 #ifdef FEAT_SNIFF
648 ProcessSniffRequests();
649 #endif
650 if (improved)
651 {
652 cmdline_row = msg_row;
653 do_cmdline(NULL, getexline, NULL, 0);
654 }
655 else
656 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
657 lines_left = Rows - 1;
658
659 if ((prev_line != curwin->w_cursor.lnum
660 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
661 {
662 if (curbuf->b_ml.ml_flags & ML_EMPTY)
663 EMSG(_(e_emptybuf));
664 else
665 {
666 if (ex_pressedreturn)
667 {
668 /* go up one line, to overwrite the ":<CR>" line, so the
669 * output doensn't contain empty lines. */
670 msg_row = prev_msg_row;
671 if (prev_msg_row == Rows - 1)
672 msg_row--;
673 }
674 msg_col = 0;
675 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
676 msg_clr_eos();
677 }
678 }
679 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
680 {
681 if (curbuf->b_ml.ml_flags & ML_EMPTY)
682 EMSG(_(e_emptybuf));
683 else
684 EMSG(_("E501: At end-of-file"));
685 }
686 }
687
688 #ifdef FEAT_GUI
689 --hold_gui_events;
690 #endif
691 --RedrawingDisabled;
692 --no_wait_return;
693 update_screen(CLEAR);
694 need_wait_return = FALSE;
695 msg_scroll = save_msg_scroll;
696 }
697
698 /*
699 * Execute a simple command line. Used for translated commands like "*".
700 */
701 int
702 do_cmdline_cmd(cmd)
703 char_u *cmd;
704 {
705 return do_cmdline(cmd, NULL, NULL,
706 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
707 }
708
709 /*
710 * do_cmdline(): execute one Ex command line
711 *
712 * 1. Execute "cmdline" when it is not NULL.
713 * If "cmdline" is NULL, or more lines are needed, getline() is used.
714 * 2. Split up in parts separated with '|'.
715 *
716 * This function can be called recursively!
717 *
718 * flags:
719 * DOCMD_VERBOSE - The command will be included in the error message.
720 * DOCMD_NOWAIT - Don't call wait_return() and friends.
721 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
722 * DOCMD_KEYTYPED - Don't reset KeyTyped.
723 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
724 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
725 *
726 * return FAIL if cmdline could not be executed, OK otherwise
727 */
728 int
729 do_cmdline(cmdline, getline, cookie, flags)
730 char_u *cmdline;
731 char_u *(*getline) __ARGS((int, void *, int));
732 void *cookie; /* argument for getline() */
733 int flags;
734 {
735 char_u *next_cmdline; /* next cmd to execute */
736 char_u *cmdline_copy = NULL; /* copy of cmd line */
737 int used_getline = FALSE; /* used "getline" to obtain command */
738 static int recursive = 0; /* recursive depth */
739 int msg_didout_before_start = 0;
740 int count = 0; /* line number count */
741 int did_inc = FALSE; /* incremented RedrawingDisabled */
742 int retval = OK;
743 #ifdef FEAT_EVAL
744 struct condstack cstack; /* conditional stack */
745 garray_T lines_ga; /* keep lines for ":while"/":for" */
746 int current_line = 0; /* active line in lines_ga */
747 char_u *fname = NULL; /* function or script name */
748 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
749 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
750 struct dbg_stuff debug_saved; /* saved things for debug mode */
751 int initial_trylevel;
752 struct msglist **saved_msg_list = NULL;
753 struct msglist *private_msg_list;
754
755 /* "getline" and "cookie" passed to do_one_cmd() */
756 char_u *(*cmd_getline) __ARGS((int, void *, int));
757 void *cmd_cookie;
758 struct loop_cookie cmd_loop_cookie;
759 void *real_cookie;
760 int getline_is_func;
761 #else
762 # define cmd_getline getline
763 # define cmd_cookie cookie
764 #endif
765 static int call_depth = 0; /* recursiveness */
766
767 #ifdef FEAT_EVAL
768 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
769 * location for storing error messages to be converted to an exception.
770 * This ensures that the do_errthrow() call in do_one_cmd() does not
771 * combine the messages stored by an earlier invocation of do_one_cmd()
772 * with the command name of the later one. This would happen when
773 * BufWritePost autocommands are executed after a write error. */
774 saved_msg_list = msg_list;
775 msg_list = &private_msg_list;
776 private_msg_list = NULL;
777 #endif
778
779 /* It's possible to create an endless loop with ":execute", catch that
780 * here. The value of 200 allows nested function calls, ":source", etc. */
781 if (call_depth == 200)
782 {
783 EMSG(_("E169: Command too recursive"));
784 #ifdef FEAT_EVAL
785 /* When converting to an exception, we do not include the command name
786 * since this is not an error of the specific command. */
787 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
788 msg_list = saved_msg_list;
789 #endif
790 return FAIL;
791 }
792 ++call_depth;
793
794 #ifdef FEAT_EVAL
795 cstack.cs_idx = -1;
796 cstack.cs_looplevel = 0;
797 cstack.cs_trylevel = 0;
798 cstack.cs_emsg_silent_list = NULL;
799 cstack.cs_lflags = 0;
800 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
801
802 real_cookie = getline_cookie(getline, cookie);
803
804 /* Inside a function use a higher nesting level. */
805 getline_is_func = getline_equal(getline, cookie, get_func_line);
806 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
807 ++ex_nesting_level;
808
809 /* Get the function or script name and the address where the next breakpoint
810 * line and the debug tick for a function or script are stored. */
811 if (getline_is_func)
812 {
813 fname = func_name(real_cookie);
814 breakpoint = func_breakpoint(real_cookie);
815 dbg_tick = func_dbg_tick(real_cookie);
816 }
817 else if (getline_equal(getline, cookie, getsourceline))
818 {
819 fname = sourcing_name;
820 breakpoint = source_breakpoint(real_cookie);
821 dbg_tick = source_dbg_tick(real_cookie);
822 }
823
824 /*
825 * Initialize "force_abort" and "suppress_errthrow" at the top level.
826 */
827 if (!recursive)
828 {
829 force_abort = FALSE;
830 suppress_errthrow = FALSE;
831 }
832
833 /*
834 * If requested, store and reset the global values controlling the
835 * exception handling (used when debugging). Otherwise clear it to avoid
836 * a bogus compiler warning when the optimizer uses inline functions...
837 */
838 if (flags & DOCMD_EXCRESET)
839 save_dbg_stuff(&debug_saved);
840 else
841 memset(&debug_saved, 0, 1);
842
843 initial_trylevel = trylevel;
844
845 /*
846 * "did_throw" will be set to TRUE when an exception is being thrown.
847 */
848 did_throw = FALSE;
849 #endif
850 /*
851 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
852 * cancel the whole command line, and any if/endif or loop.
853 * If force_abort is set, we cancel everything.
854 */
855 did_emsg = FALSE;
856
857 /*
858 * KeyTyped is only set when calling vgetc(). Reset it here when not
859 * calling vgetc() (sourced command lines).
860 */
861 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
862 KeyTyped = FALSE;
863
864 /*
865 * Continue executing command lines:
866 * - when inside an ":if", ":while" or ":for"
867 * - for multiple commands on one line, separated with '|'
868 * - when repeating until there are no more lines (for ":source")
869 */
870 next_cmdline = cmdline;
871 do
872 {
873 #ifdef FEAT_EVAL
874 getline_is_func = getline_equal(getline, cookie, get_func_line);
875 #endif
876
877 /* stop skipping cmds for an error msg after all endif/while/for */
878 if (next_cmdline == NULL
879 #ifdef FEAT_EVAL
880 && !force_abort
881 && cstack.cs_idx < 0
882 && !(getline_is_func && func_has_abort(real_cookie))
883 #endif
884 )
885 did_emsg = FALSE;
886
887 /*
888 * 1. If repeating a line in a loop, get a line from lines_ga.
889 * 2. If no line given: Get an allocated line with getline().
890 * 3. If a line is given: Make a copy, so we can mess with it.
891 */
892
893 #ifdef FEAT_EVAL
894 /* 1. If repeating, get a previous line from lines_ga. */
895 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
896 {
897 /* Each '|' separated command is stored separately in lines_ga, to
898 * be able to jump to it. Don't use next_cmdline now. */
899 vim_free(cmdline_copy);
900 cmdline_copy = NULL;
901
902 /* Check if a function has returned or, unless it has an unclosed
903 * try conditional, aborted. */
904 if (getline_is_func)
905 {
906 # ifdef FEAT_PROFILE
907 if (do_profiling == PROF_YES)
908 func_line_end(real_cookie);
909 # endif
910 if (func_has_ended(real_cookie))
911 {
912 retval = FAIL;
913 break;
914 }
915 }
916 #ifdef FEAT_PROFILE
917 else if (do_profiling == PROF_YES
918 && getline_equal(getline, cookie, getsourceline))
919 script_line_end();
920 #endif
921
922 /* Check if a sourced file hit a ":finish" command. */
923 if (source_finished(getline, cookie))
924 {
925 retval = FAIL;
926 break;
927 }
928
929 /* If breakpoints have been added/deleted need to check for it. */
930 if (breakpoint != NULL && dbg_tick != NULL
931 && *dbg_tick != debug_tick)
932 {
933 *breakpoint = dbg_find_breakpoint(
934 getline_equal(getline, cookie, getsourceline),
935 fname, sourcing_lnum);
936 *dbg_tick = debug_tick;
937 }
938
939 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
940 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
941
942 /* Did we encounter a breakpoint? */
943 if (breakpoint != NULL && *breakpoint != 0
944 && *breakpoint <= sourcing_lnum)
945 {
946 dbg_breakpoint(fname, sourcing_lnum);
947 /* Find next breakpoint. */
948 *breakpoint = dbg_find_breakpoint(
949 getline_equal(getline, cookie, getsourceline),
950 fname, sourcing_lnum);
951 *dbg_tick = debug_tick;
952 }
953 # ifdef FEAT_PROFILE
954 if (do_profiling == PROF_YES)
955 {
956 if (getline_is_func)
957 func_line_start(real_cookie);
958 else if (getline_equal(getline, cookie, getsourceline))
959 script_line_start();
960 }
961 # endif
962 }
963
964 if (cstack.cs_looplevel > 0)
965 {
966 /* Inside a while/for loop we need to store the lines and use them
967 * again. Pass a different "getline" function to do_one_cmd()
968 * below, so that it stores lines in or reads them from
969 * "lines_ga". Makes it possible to define a function inside a
970 * while/for loop. */
971 cmd_getline = get_loop_line;
972 cmd_cookie = (void *)&cmd_loop_cookie;
973 cmd_loop_cookie.lines_gap = &lines_ga;
974 cmd_loop_cookie.current_line = current_line;
975 cmd_loop_cookie.getline = getline;
976 cmd_loop_cookie.cookie = cookie;
977 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
978 }
979 else
980 {
981 cmd_getline = getline;
982 cmd_cookie = cookie;
983 }
984 #endif
985
986 /* 2. If no line given, get an allocated line with getline(). */
987 if (next_cmdline == NULL)
988 {
989 /*
990 * Need to set msg_didout for the first line after an ":if",
991 * otherwise the ":if" will be overwritten.
992 */
993 if (count == 1 && getline_equal(getline, cookie, getexline))
994 msg_didout = TRUE;
995 if (getline == NULL || (next_cmdline = getline(':', cookie,
996 #ifdef FEAT_EVAL
997 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
998 #else
999 0
1000 #endif
1001 )) == NULL)
1002 {
1003 /* Don't call wait_return for aborted command line. The NULL
1004 * returned for the end of a sourced file or executed function
1005 * doesn't do this. */
1006 if (KeyTyped && !(flags & DOCMD_REPEAT))
1007 need_wait_return = FALSE;
1008 retval = FAIL;
1009 break;
1010 }
1011 used_getline = TRUE;
1012
1013 /*
1014 * Keep the first typed line. Clear it when more lines are typed.
1015 */
1016 if (flags & DOCMD_KEEPLINE)
1017 {
1018 vim_free(repeat_cmdline);
1019 if (count == 0)
1020 repeat_cmdline = vim_strsave(next_cmdline);
1021 else
1022 repeat_cmdline = NULL;
1023 }
1024 }
1025
1026 /* 3. Make a copy of the command so we can mess with it. */
1027 else if (cmdline_copy == NULL)
1028 {
1029 next_cmdline = vim_strsave(next_cmdline);
1030 if (next_cmdline == NULL)
1031 {
1032 EMSG(_(e_outofmem));
1033 retval = FAIL;
1034 break;
1035 }
1036 }
1037 cmdline_copy = next_cmdline;
1038
1039 #ifdef FEAT_EVAL
1040 /*
1041 * Save the current line when inside a ":while" or ":for", and when
1042 * the command looks like a ":while" or ":for", because we may need it
1043 * later. When there is a '|' and another command, it is stored
1044 * separately, because we need to be able to jump back to it from an
1045 * :endwhile/:endfor.
1046 */
1047 if (current_line == lines_ga.ga_len
1048 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1049 {
1050 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1051 {
1052 retval = FAIL;
1053 break;
1054 }
1055 }
1056 did_endif = FALSE;
1057 #endif
1058
1059 if (count++ == 0)
1060 {
1061 /*
1062 * All output from the commands is put below each other, without
1063 * waiting for a return. Don't do this when executing commands
1064 * from a script or when being called recursive (e.g. for ":e
1065 * +command file").
1066 */
1067 if (!(flags & DOCMD_NOWAIT) && !recursive)
1068 {
1069 msg_didout_before_start = msg_didout;
1070 msg_didany = FALSE; /* no output yet */
1071 msg_start();
1072 msg_scroll = TRUE; /* put messages below each other */
1073 ++no_wait_return; /* dont wait for return until finished */
1074 ++RedrawingDisabled;
1075 did_inc = TRUE;
1076 }
1077 }
1078
1079 if (p_verbose >= 15 && sourcing_name != NULL)
1080 {
1081 ++no_wait_return;
1082 verbose_enter_scroll();
1083
1084 smsg((char_u *)_("line %ld: %s"),
1085 (long)sourcing_lnum, cmdline_copy);
1086 if (msg_silent == 0)
1087 msg_puts((char_u *)"\n"); /* don't overwrite this */
1088
1089 verbose_leave_scroll();
1090 --no_wait_return;
1091 }
1092
1093 /*
1094 * 2. Execute one '|' separated command.
1095 * do_one_cmd() will return NULL if there is no trailing '|'.
1096 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1097 */
1098 ++recursive;
1099 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1100 #ifdef FEAT_EVAL
1101 &cstack,
1102 #endif
1103 cmd_getline, cmd_cookie);
1104 --recursive;
1105
1106 #ifdef FEAT_EVAL
1107 if (cmd_cookie == (void *)&cmd_loop_cookie)
1108 /* Use "current_line" from "cmd_loop_cookie", it may have been
1109 * incremented when defining a function. */
1110 current_line = cmd_loop_cookie.current_line;
1111 #endif
1112
1113 if (next_cmdline == NULL)
1114 {
1115 vim_free(cmdline_copy);
1116 cmdline_copy = NULL;
1117 #ifdef FEAT_CMDHIST
1118 /*
1119 * If the command was typed, remember it for the ':' register.
1120 * Do this AFTER executing the command to make :@: work.
1121 */
1122 if (getline_equal(getline, cookie, getexline)
1123 && new_last_cmdline != NULL)
1124 {
1125 vim_free(last_cmdline);
1126 last_cmdline = new_last_cmdline;
1127 new_last_cmdline = NULL;
1128 }
1129 #endif
1130 }
1131 else
1132 {
1133 /* need to copy the command after the '|' to cmdline_copy, for the
1134 * next do_one_cmd() */
1135 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
1136 next_cmdline = cmdline_copy;
1137 }
1138
1139
1140 #ifdef FEAT_EVAL
1141 /* reset did_emsg for a function that is not aborted by an error */
1142 if (did_emsg && !force_abort
1143 && getline_equal(getline, cookie, get_func_line)
1144 && !func_has_abort(real_cookie))
1145 did_emsg = FALSE;
1146
1147 if (cstack.cs_looplevel > 0)
1148 {
1149 ++current_line;
1150
1151 /*
1152 * An ":endwhile", ":endfor" and ":continue" is handled here.
1153 * If we were executing commands, jump back to the ":while" or
1154 * ":for".
1155 * If we were not executing commands, decrement cs_looplevel.
1156 */
1157 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1158 {
1159 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1160
1161 /* Jump back to the matching ":while" or ":for". Be careful
1162 * not to use a cs_line[] from an entry that isn't a ":while"
1163 * or ":for": It would make "current_line" invalid and can
1164 * cause a crash. */
1165 if (!did_emsg && !got_int && !did_throw
1166 && cstack.cs_idx >= 0
1167 && (cstack.cs_flags[cstack.cs_idx]
1168 & (CSF_WHILE | CSF_FOR))
1169 && cstack.cs_line[cstack.cs_idx] >= 0
1170 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1171 {
1172 current_line = cstack.cs_line[cstack.cs_idx];
1173 /* remember we jumped there */
1174 cstack.cs_lflags |= CSL_HAD_LOOP;
1175 line_breakcheck(); /* check if CTRL-C typed */
1176
1177 /* Check for the next breakpoint at or after the ":while"
1178 * or ":for". */
1179 if (breakpoint != NULL)
1180 {
1181 *breakpoint = dbg_find_breakpoint(
1182 getline_equal(getline, cookie, getsourceline),
1183 fname,
1184 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1185 *dbg_tick = debug_tick;
1186 }
1187 }
1188 else
1189 {
1190 /* can only get here with ":endwhile" or ":endfor" */
1191 if (cstack.cs_idx >= 0)
1192 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1193 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1194 }
1195 }
1196
1197 /*
1198 * For a ":while" or ":for" we need to remember the line number.
1199 */
1200 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1201 {
1202 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1203 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1204 }
1205 }
1206
1207 /*
1208 * When not inside any ":while" loop, clear remembered lines.
1209 */
1210 if (cstack.cs_looplevel == 0)
1211 {
1212 if (lines_ga.ga_len > 0)
1213 {
1214 sourcing_lnum =
1215 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1216 free_cmdlines(&lines_ga);
1217 }
1218 current_line = 0;
1219 }
1220
1221 /*
1222 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1223 * being restored at the ":endtry". Reset them here and set the
1224 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1225 * This includes the case where a missing ":endif", ":endwhile" or
1226 * ":endfor" was detected by the ":finally" itself.
1227 */
1228 if (cstack.cs_lflags & CSL_HAD_FINA)
1229 {
1230 cstack.cs_lflags &= ~CSL_HAD_FINA;
1231 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1232 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1233 did_throw ? (void *)current_exception : NULL);
1234 did_emsg = got_int = did_throw = FALSE;
1235 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1236 }
1237
1238 /* Update global "trylevel" for recursive calls to do_cmdline() from
1239 * within this loop. */
1240 trylevel = initial_trylevel + cstack.cs_trylevel;
1241
1242 /*
1243 * If the outermost try conditional (across function calls and sourced
1244 * files) is aborted because of an error, an interrupt, or an uncaught
1245 * exception, cancel everything. If it is left normally, reset
1246 * force_abort to get the non-EH compatible abortion behavior for
1247 * the rest of the script.
1248 */
1249 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1250 force_abort = FALSE;
1251
1252 /* Convert an interrupt to an exception if appropriate. */
1253 (void)do_intthrow(&cstack);
1254 #endif /* FEAT_EVAL */
1255
1256 }
1257 /*
1258 * Continue executing command lines when:
1259 * - no CTRL-C typed, no aborting error, no exception thrown or try
1260 * conditionals need to be checked for executing finally clauses or
1261 * catching an interrupt exception
1262 * - didn't get an error message or lines are not typed
1263 * - there is a command after '|', inside a :if, :while, :for or :try, or
1264 * looping for ":source" command or function call.
1265 */
1266 while (!((got_int
1267 #ifdef FEAT_EVAL
1268 || (did_emsg && force_abort) || did_throw
1269 #endif
1270 )
1271 #ifdef FEAT_EVAL
1272 && cstack.cs_trylevel == 0
1273 #endif
1274 )
1275 && !(did_emsg && used_getline
1276 && (getline_equal(getline, cookie, getexmodeline)
1277 || getline_equal(getline, cookie, getexline)))
1278 && (next_cmdline != NULL
1279 #ifdef FEAT_EVAL
1280 || cstack.cs_idx >= 0
1281 #endif
1282 || (flags & DOCMD_REPEAT)));
1283
1284 vim_free(cmdline_copy);
1285 #ifdef FEAT_EVAL
1286 free_cmdlines(&lines_ga);
1287 ga_clear(&lines_ga);
1288
1289 if (cstack.cs_idx >= 0)
1290 {
1291 /*
1292 * If a sourced file or executed function ran to its end, report the
1293 * unclosed conditional.
1294 */
1295 if (!got_int && !did_throw
1296 && ((getline_equal(getline, cookie, getsourceline)
1297 && !source_finished(getline, cookie))
1298 || (getline_equal(getline, cookie, get_func_line)
1299 && !func_has_ended(real_cookie))))
1300 {
1301 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1302 EMSG(_(e_endtry));
1303 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1304 EMSG(_(e_endwhile));
1305 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1306 EMSG(_(e_endfor));
1307 else
1308 EMSG(_(e_endif));
1309 }
1310
1311 /*
1312 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1313 * ":endtry" in a sourced file or executed function. If the try
1314 * conditional is in its finally clause, ignore anything pending.
1315 * If it is in a catch clause, finish the caught exception.
1316 * Also cleanup any "cs_forinfo" structures.
1317 */
1318 do
1319 {
1320 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1321
1322 if (idx >= 0)
1323 --idx; /* remove try block not in its finally clause */
1324 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1325 &cstack.cs_looplevel);
1326 }
1327 while (cstack.cs_idx >= 0);
1328 trylevel = initial_trylevel;
1329 }
1330
1331 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1332 * lack was reported above and the error message is to be converted to an
1333 * exception, do this now after rewinding the cstack. */
1334 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1335 ? (char_u *)"endfunction" : (char_u *)NULL);
1336
1337 if (trylevel == 0)
1338 {
1339 /*
1340 * When an exception is being thrown out of the outermost try
1341 * conditional, discard the uncaught exception, disable the conversion
1342 * of interrupts or errors to exceptions, and ensure that no more
1343 * commands are executed.
1344 */
1345 if (did_throw)
1346 {
1347 void *p = NULL;
1348 char_u *saved_sourcing_name;
1349 int saved_sourcing_lnum;
1350 struct msglist *messages = NULL, *next;
1351
1352 /*
1353 * If the uncaught exception is a user exception, report it as an
1354 * error. If it is an error exception, display the saved error
1355 * message now. For an interrupt exception, do nothing; the
1356 * interrupt message is given elsewhere.
1357 */
1358 switch (current_exception->type)
1359 {
1360 case ET_USER:
1361 vim_snprintf((char *)IObuff, IOSIZE,
1362 _("E605: Exception not caught: %s"),
1363 current_exception->value);
1364 p = vim_strsave(IObuff);
1365 break;
1366 case ET_ERROR:
1367 messages = current_exception->messages;
1368 current_exception->messages = NULL;
1369 break;
1370 case ET_INTERRUPT:
1371 break;
1372 default:
1373 p = vim_strsave((char_u *)_(e_internal));
1374 }
1375
1376 saved_sourcing_name = sourcing_name;
1377 saved_sourcing_lnum = sourcing_lnum;
1378 sourcing_name = current_exception->throw_name;
1379 sourcing_lnum = current_exception->throw_lnum;
1380 current_exception->throw_name = NULL;
1381
1382 discard_current_exception(); /* uses IObuff if 'verbose' */
1383 suppress_errthrow = TRUE;
1384 force_abort = TRUE;
1385
1386 if (messages != NULL)
1387 {
1388 do
1389 {
1390 next = messages->next;
1391 emsg(messages->msg);
1392 vim_free(messages->msg);
1393 vim_free(messages);
1394 messages = next;
1395 }
1396 while (messages != NULL);
1397 }
1398 else if (p != NULL)
1399 {
1400 emsg(p);
1401 vim_free(p);
1402 }
1403 vim_free(sourcing_name);
1404 sourcing_name = saved_sourcing_name;
1405 sourcing_lnum = saved_sourcing_lnum;
1406 }
1407
1408 /*
1409 * On an interrupt or an aborting error not converted to an exception,
1410 * disable the conversion of errors to exceptions. (Interrupts are not
1411 * converted any more, here.) This enables also the interrupt message
1412 * when force_abort is set and did_emsg unset in case of an interrupt
1413 * from a finally clause after an error.
1414 */
1415 else if (got_int || (did_emsg && force_abort))
1416 suppress_errthrow = TRUE;
1417 }
1418
1419 /*
1420 * The current cstack will be freed when do_cmdline() returns. An uncaught
1421 * exception will have to be rethrown in the previous cstack. If a function
1422 * has just returned or a script file was just finished and the previous
1423 * cstack belongs to the same function or, respectively, script file, it
1424 * will have to be checked for finally clauses to be executed due to the
1425 * ":return" or ":finish". This is done in do_one_cmd().
1426 */
1427 if (did_throw)
1428 need_rethrow = TRUE;
1429 if ((getline_equal(getline, cookie, getsourceline)
1430 && ex_nesting_level > source_level(real_cookie))
1431 || (getline_equal(getline, cookie, get_func_line)
1432 && ex_nesting_level > func_level(real_cookie) + 1))
1433 {
1434 if (!did_throw)
1435 check_cstack = TRUE;
1436 }
1437 else
1438 {
1439 /* When leaving a function, reduce nesting level. */
1440 if (getline_equal(getline, cookie, get_func_line))
1441 --ex_nesting_level;
1442 /*
1443 * Go to debug mode when returning from a function in which we are
1444 * single-stepping.
1445 */
1446 if ((getline_equal(getline, cookie, getsourceline)
1447 || getline_equal(getline, cookie, get_func_line))
1448 && ex_nesting_level + 1 <= debug_break_level)
1449 do_debug(getline_equal(getline, cookie, getsourceline)
1450 ? (char_u *)_("End of sourced file")
1451 : (char_u *)_("End of function"));
1452 }
1453
1454 /*
1455 * Restore the exception environment (done after returning from the
1456 * debugger).
1457 */
1458 if (flags & DOCMD_EXCRESET)
1459 restore_dbg_stuff(&debug_saved);
1460
1461 msg_list = saved_msg_list;
1462 #endif /* FEAT_EVAL */
1463
1464 /*
1465 * If there was too much output to fit on the command line, ask the user to
1466 * hit return before redrawing the screen. With the ":global" command we do
1467 * this only once after the command is finished.
1468 */
1469 if (did_inc)
1470 {
1471 --RedrawingDisabled;
1472 --no_wait_return;
1473 msg_scroll = FALSE;
1474
1475 /*
1476 * When just finished an ":if"-":else" which was typed, no need to
1477 * wait for hit-return. Also for an error situation.
1478 */
1479 if (retval == FAIL
1480 #ifdef FEAT_EVAL
1481 || (did_endif && KeyTyped && !did_emsg)
1482 #endif
1483 )
1484 {
1485 need_wait_return = FALSE;
1486 msg_didany = FALSE; /* don't wait when restarting edit */
1487 }
1488 else if (need_wait_return)
1489 {
1490 /*
1491 * The msg_start() above clears msg_didout. The wait_return we do
1492 * here should not overwrite the command that may be shown before
1493 * doing that.
1494 */
1495 msg_didout |= msg_didout_before_start;
1496 wait_return(FALSE);
1497 }
1498 }
1499
1500 #ifndef FEAT_EVAL
1501 /*
1502 * Reset if_level, in case a sourced script file contains more ":if" than
1503 * ":endif" (could be ":if x | foo | endif").
1504 */
1505 if_level = 0;
1506 #endif
1507
1508 --call_depth;
1509 return retval;
1510 }
1511
1512 #ifdef FEAT_EVAL
1513 /*
1514 * Obtain a line when inside a ":while" or ":for" loop.
1515 */
1516 static char_u *
1517 get_loop_line(c, cookie, indent)
1518 int c;
1519 void *cookie;
1520 int indent;
1521 {
1522 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1523 wcmd_T *wp;
1524 char_u *line;
1525
1526 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1527 {
1528 if (cp->repeating)
1529 return NULL; /* trying to read past ":endwhile"/":endfor" */
1530
1531 /* First time inside the ":while"/":for": get line normally. */
1532 if (cp->getline == NULL)
1533 line = getcmdline(c, 0L, indent);
1534 else
1535 line = cp->getline(c, cp->cookie, indent);
1536 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1537 ++cp->current_line;
1538
1539 return line;
1540 }
1541
1542 KeyTyped = FALSE;
1543 ++cp->current_line;
1544 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1545 sourcing_lnum = wp->lnum;
1546 return vim_strsave(wp->line);
1547 }
1548
1549 /*
1550 * Store a line in "gap" so that a ":while" loop can execute it again.
1551 */
1552 static int
1553 store_loop_line(gap, line)
1554 garray_T *gap;
1555 char_u *line;
1556 {
1557 if (ga_grow(gap, 1) == FAIL)
1558 return FAIL;
1559 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1560 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1561 ++gap->ga_len;
1562 return OK;
1563 }
1564
1565 /*
1566 * Free the lines stored for a ":while" or ":for" loop.
1567 */
1568 static void
1569 free_cmdlines(gap)
1570 garray_T *gap;
1571 {
1572 while (gap->ga_len > 0)
1573 {
1574 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1575 --gap->ga_len;
1576 }
1577 }
1578 #endif
1579
1580 /*
1581 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1582 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1583 */
1584 /*ARGSUSED*/
1585 int
1586 getline_equal(fgetline, cookie, func)
1587 char_u *(*fgetline) __ARGS((int, void *, int));
1588 void *cookie; /* argument for fgetline() */
1589 char_u *(*func) __ARGS((int, void *, int));
1590 {
1591 #ifdef FEAT_EVAL
1592 char_u *(*gp) __ARGS((int, void *, int));
1593 struct loop_cookie *cp;
1594
1595 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1596 * function that's originally used to obtain the lines. This may be
1597 * nested several levels. */
1598 gp = fgetline;
1599 cp = (struct loop_cookie *)cookie;
1600 while (gp == get_loop_line)
1601 {
1602 gp = cp->getline;
1603 cp = cp->cookie;
1604 }
1605 return gp == func;
1606 #else
1607 return fgetline == func;
1608 #endif
1609 }
1610
1611 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1612 /*
1613 * If "fgetline" is get_loop_line(), return the cookie used by the original
1614 * getline function. Otherwise return "cookie".
1615 */
1616 /*ARGSUSED*/
1617 void *
1618 getline_cookie(fgetline, cookie)
1619 char_u *(*fgetline) __ARGS((int, void *, int));
1620 void *cookie; /* argument for fgetline() */
1621 {
1622 # ifdef FEAT_EVAL
1623 char_u *(*gp) __ARGS((int, void *, int));
1624 struct loop_cookie *cp;
1625
1626 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1627 * cookie that's originally used to obtain the lines. This may be nested
1628 * several levels. */
1629 gp = fgetline;
1630 cp = (struct loop_cookie *)cookie;
1631 while (gp == get_loop_line)
1632 {
1633 gp = cp->getline;
1634 cp = cp->cookie;
1635 }
1636 return cp;
1637 # else
1638 return cookie;
1639 # endif
1640 }
1641 #endif
1642
1643 /*
1644 * Execute one Ex command.
1645 *
1646 * If 'sourcing' is TRUE, the command will be included in the error message.
1647 *
1648 * 1. skip comment lines and leading space
1649 * 2. handle command modifiers
1650 * 3. parse range
1651 * 4. parse command
1652 * 5. parse arguments
1653 * 6. switch on command name
1654 *
1655 * Note: "fgetline" can be NULL.
1656 *
1657 * This function may be called recursively!
1658 */
1659 #if (_MSC_VER == 1200)
1660 /*
1661 * Avoid optimisation bug in VC++ version 6.0
1662 */
1663 #pragma optimize( "g", off )
1664 #endif
1665 static char_u *
1666 do_one_cmd(cmdlinep, sourcing,
1667 #ifdef FEAT_EVAL
1668 cstack,
1669 #endif
1670 fgetline, cookie)
1671 char_u **cmdlinep;
1672 int sourcing;
1673 #ifdef FEAT_EVAL
1674 struct condstack *cstack;
1675 #endif
1676 char_u *(*fgetline) __ARGS((int, void *, int));
1677 void *cookie; /* argument for fgetline() */
1678 {
1679 char_u *p;
1680 linenr_T lnum;
1681 long n;
1682 char_u *errormsg = NULL; /* error message */
1683 exarg_T ea; /* Ex command arguments */
1684 long verbose_save = -1;
1685 int save_msg_scroll = 0;
1686 int did_silent = 0;
1687 int did_esilent = 0;
1688 #ifdef HAVE_SANDBOX
1689 int did_sandbox = FALSE;
1690 #endif
1691 cmdmod_T save_cmdmod;
1692 int ni; /* set when Not Implemented */
1693
1694 vim_memset(&ea, 0, sizeof(ea));
1695 ea.line1 = 1;
1696 ea.line2 = 1;
1697 #ifdef FEAT_EVAL
1698 ++ex_nesting_level;
1699 #endif
1700
1701 /* when not editing the last file :q has to be typed twice */
1702 if (quitmore
1703 #ifdef FEAT_EVAL
1704 /* avoid that a function call in 'statusline' does this */
1705 && !getline_equal(fgetline, cookie, get_func_line)
1706 #endif
1707 )
1708 --quitmore;
1709
1710 /*
1711 * Reset browse, confirm, etc.. They are restored when returning, for
1712 * recursive calls.
1713 */
1714 save_cmdmod = cmdmod;
1715 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1716
1717 /* "#!anything" is handled like a comment. */
1718 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1719 goto doend;
1720
1721 /*
1722 * Repeat until no more command modifiers are found.
1723 */
1724 ea.cmd = *cmdlinep;
1725 for (;;)
1726 {
1727 /*
1728 * 1. skip comment lines and leading white space and colons
1729 */
1730 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1731 ++ea.cmd;
1732
1733 /* in ex mode, an empty line works like :+ */
1734 if (*ea.cmd == NUL && exmode_active
1735 && (getline_equal(fgetline, cookie, getexmodeline)
1736 || getline_equal(fgetline, cookie, getexline))
1737 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1738 {
1739 ea.cmd = (char_u *)"+";
1740 ex_pressedreturn = TRUE;
1741 }
1742
1743 /* ignore comment and empty lines */
1744 if (*ea.cmd == '"' || *ea.cmd == NUL)
1745 {
1746 ex_pressedreturn = TRUE;
1747 goto doend;
1748 }
1749
1750 /*
1751 * 2. handle command modifiers.
1752 */
1753 p = ea.cmd;
1754 if (VIM_ISDIGIT(*ea.cmd))
1755 p = skipwhite(skipdigits(ea.cmd));
1756 switch (*p)
1757 {
1758 /* When adding an entry, also modify cmd_exists(). */
1759 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1760 break;
1761 #ifdef FEAT_WINDOWS
1762 cmdmod.split |= WSP_ABOVE;
1763 #endif
1764 continue;
1765
1766 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1767 {
1768 #ifdef FEAT_WINDOWS
1769 cmdmod.split |= WSP_BELOW;
1770 #endif
1771 continue;
1772 }
1773 if (checkforcmd(&ea.cmd, "browse", 3))
1774 {
1775 #ifdef FEAT_BROWSE
1776 cmdmod.browse = TRUE;
1777 #endif
1778 continue;
1779 }
1780 if (!checkforcmd(&ea.cmd, "botright", 2))
1781 break;
1782 #ifdef FEAT_WINDOWS
1783 cmdmod.split |= WSP_BOT;
1784 #endif
1785 continue;
1786
1787 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1788 break;
1789 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1790 cmdmod.confirm = TRUE;
1791 #endif
1792 continue;
1793
1794 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1795 {
1796 cmdmod.keepmarks = TRUE;
1797 continue;
1798 }
1799 if (checkforcmd(&ea.cmd, "keepalt", 5))
1800 {
1801 cmdmod.keepalt = TRUE;
1802 continue;
1803 }
1804 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1805 break;
1806 cmdmod.keepjumps = TRUE;
1807 continue;
1808
1809 /* ":hide" and ":hide | cmd" are not modifiers */
1810 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1811 || *p == NUL || ends_excmd(*p))
1812 break;
1813 ea.cmd = p;
1814 cmdmod.hide = TRUE;
1815 continue;
1816
1817 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1818 {
1819 cmdmod.lockmarks = TRUE;
1820 continue;
1821 }
1822
1823 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1824 break;
1825 #ifdef FEAT_WINDOWS
1826 cmdmod.split |= WSP_ABOVE;
1827 #endif
1828 continue;
1829
1830 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1831 break;
1832 #ifdef FEAT_AUTOCMD
1833 if (cmdmod.save_ei == NULL)
1834 {
1835 /* Set 'eventignore' to "all". Restore the
1836 * existing option value later. */
1837 cmdmod.save_ei = vim_strsave(p_ei);
1838 set_string_option_direct((char_u *)"ei", -1,
1839 (char_u *)"all", OPT_FREE, SID_NONE);
1840 }
1841 #endif
1842 continue;
1843
1844 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1845 break;
1846 #ifdef FEAT_WINDOWS
1847 cmdmod.split |= WSP_BELOW;
1848 #endif
1849 continue;
1850
1851 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1852 {
1853 #ifdef HAVE_SANDBOX
1854 if (!did_sandbox)
1855 ++sandbox;
1856 did_sandbox = TRUE;
1857 #endif
1858 continue;
1859 }
1860 if (!checkforcmd(&ea.cmd, "silent", 3))
1861 break;
1862 ++did_silent;
1863 ++msg_silent;
1864 save_msg_scroll = msg_scroll;
1865 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1866 {
1867 /* ":silent!", but not "silent !cmd" */
1868 ea.cmd = skipwhite(ea.cmd + 1);
1869 ++emsg_silent;
1870 ++did_esilent;
1871 }
1872 continue;
1873
1874 case 't': if (checkforcmd(&p, "tab", 3))
1875 {
1876 #ifdef FEAT_WINDOWS
1877 if (vim_isdigit(*ea.cmd))
1878 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1879 else
1880 cmdmod.tab = tabpage_index(curtab) + 1;
1881 ea.cmd = p;
1882 #endif
1883 continue;
1884 }
1885 if (!checkforcmd(&ea.cmd, "topleft", 2))
1886 break;
1887 #ifdef FEAT_WINDOWS
1888 cmdmod.split |= WSP_TOP;
1889 #endif
1890 continue;
1891
1892 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1893 {
1894 #ifdef FEAT_VERTSPLIT
1895 cmdmod.split |= WSP_VERT;
1896 #endif
1897 continue;
1898 }
1899 if (!checkforcmd(&p, "verbose", 4))
1900 break;
1901 if (verbose_save < 0)
1902 verbose_save = p_verbose;
1903 if (vim_isdigit(*ea.cmd))
1904 p_verbose = atoi((char *)ea.cmd);
1905 else
1906 p_verbose = 1;
1907 ea.cmd = p;
1908 continue;
1909 }
1910 break;
1911 }
1912
1913 #ifdef FEAT_EVAL
1914 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1915 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1916 #else
1917 ea.skip = (if_level > 0);
1918 #endif
1919
1920 #ifdef FEAT_EVAL
1921 # ifdef FEAT_PROFILE
1922 /* Count this line for profiling if ea.skip is FALSE. */
1923 if (do_profiling == PROF_YES && !ea.skip)
1924 {
1925 if (getline_equal(fgetline, cookie, get_func_line))
1926 func_line_exec(getline_cookie(fgetline, cookie));
1927 else if (getline_equal(fgetline, cookie, getsourceline))
1928 script_line_exec();
1929 }
1930 #endif
1931
1932 /* May go to debug mode. If this happens and the ">quit" debug command is
1933 * used, throw an interrupt exception and skip the next command. */
1934 dbg_check_breakpoint(&ea);
1935 if (!ea.skip && got_int)
1936 {
1937 ea.skip = TRUE;
1938 (void)do_intthrow(cstack);
1939 }
1940 #endif
1941
1942 /*
1943 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1944 *
1945 * where 'addr' is:
1946 *
1947 * % (entire file)
1948 * $ [+-NUM]
1949 * 'x [+-NUM] (where x denotes a currently defined mark)
1950 * . [+-NUM]
1951 * [+-NUM]..
1952 * NUM
1953 *
1954 * The ea.cmd pointer is updated to point to the first character following the
1955 * range spec. If an initial address is found, but no second, the upper bound
1956 * is equal to the lower.
1957 */
1958
1959 /* repeat for all ',' or ';' separated addresses */
1960 for (;;)
1961 {
1962 ea.line1 = ea.line2;
1963 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1964 ea.cmd = skipwhite(ea.cmd);
1965 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1966 if (ea.cmd == NULL) /* error detected */
1967 goto doend;
1968 if (lnum == MAXLNUM)
1969 {
1970 if (*ea.cmd == '%') /* '%' - all lines */
1971 {
1972 ++ea.cmd;
1973 ea.line1 = 1;
1974 ea.line2 = curbuf->b_ml.ml_line_count;
1975 ++ea.addr_count;
1976 }
1977 /* '*' - visual area */
1978 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1979 {
1980 pos_T *fp;
1981
1982 ++ea.cmd;
1983 if (!ea.skip)
1984 {
1985 fp = getmark('<', FALSE);
1986 if (check_mark(fp) == FAIL)
1987 goto doend;
1988 ea.line1 = fp->lnum;
1989 fp = getmark('>', FALSE);
1990 if (check_mark(fp) == FAIL)
1991 goto doend;
1992 ea.line2 = fp->lnum;
1993 ++ea.addr_count;
1994 }
1995 }
1996 }
1997 else
1998 ea.line2 = lnum;
1999 ea.addr_count++;
2000
2001 if (*ea.cmd == ';')
2002 {
2003 if (!ea.skip)
2004 curwin->w_cursor.lnum = ea.line2;
2005 }
2006 else if (*ea.cmd != ',')
2007 break;
2008 ++ea.cmd;
2009 }
2010
2011 /* One address given: set start and end lines */
2012 if (ea.addr_count == 1)
2013 {
2014 ea.line1 = ea.line2;
2015 /* ... but only implicit: really no address given */
2016 if (lnum == MAXLNUM)
2017 ea.addr_count = 0;
2018 }
2019
2020 /* Don't leave the cursor on an illegal line (caused by ';') */
2021 check_cursor_lnum();
2022
2023 /*
2024 * 4. parse command
2025 */
2026
2027 /*
2028 * Skip ':' and any white space
2029 */
2030 ea.cmd = skipwhite(ea.cmd);
2031 while (*ea.cmd == ':')
2032 ea.cmd = skipwhite(ea.cmd + 1);
2033
2034 /*
2035 * If we got a line, but no command, then go to the line.
2036 * If we find a '|' or '\n' we set ea.nextcmd.
2037 */
2038 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2039 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2040 {
2041 /*
2042 * strange vi behaviour:
2043 * ":3" jumps to line 3
2044 * ":3|..." prints line 3
2045 * ":|" prints current line
2046 */
2047 if (ea.skip) /* skip this if inside :if */
2048 goto doend;
2049 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2050 {
2051 ea.cmdidx = CMD_print;
2052 ea.argt = RANGE+COUNT+TRLBAR;
2053 if ((errormsg = invalid_range(&ea)) == NULL)
2054 {
2055 correct_range(&ea);
2056 ex_print(&ea);
2057 }
2058 }
2059 else if (ea.addr_count != 0)
2060 {
2061 if (ea.line2 > curbuf->b_ml.ml_line_count)
2062 {
2063 /* With '-' in 'cpoptions' a line number past the file is an
2064 * error, otherwise put it at the end of the file. */
2065 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2066 ea.line2 = -1;
2067 else
2068 ea.line2 = curbuf->b_ml.ml_line_count;
2069 }
2070
2071 if (ea.line2 < 0)
2072 errormsg = (char_u *)_(e_invrange);
2073 else
2074 {
2075 if (ea.line2 == 0)
2076 curwin->w_cursor.lnum = 1;
2077 else
2078 curwin->w_cursor.lnum = ea.line2;
2079 beginline(BL_SOL | BL_FIX);
2080 }
2081 }
2082 goto doend;
2083 }
2084
2085 /* Find the command and let "p" point to after it. */
2086 p = find_command(&ea, NULL);
2087
2088 #ifdef FEAT_USR_CMDS
2089 if (p == NULL)
2090 {
2091 if (!ea.skip)
2092 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2093 goto doend;
2094 }
2095 /* Check for wrong commands. */
2096 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2097 {
2098 errormsg = uc_fun_cmd();
2099 goto doend;
2100 }
2101 #endif
2102 if (ea.cmdidx == CMD_SIZE)
2103 {
2104 if (!ea.skip)
2105 {
2106 STRCPY(IObuff, _("E492: Not an editor command"));
2107 if (!sourcing)
2108 {
2109 STRCAT(IObuff, ": ");
2110 STRNCAT(IObuff, *cmdlinep, 40);
2111 }
2112 errormsg = IObuff;
2113 }
2114 goto doend;
2115 }
2116
2117 ni = (
2118 #ifdef FEAT_USR_CMDS
2119 !USER_CMDIDX(ea.cmdidx) &&
2120 #endif
2121 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2122 #ifdef HAVE_EX_SCRIPT_NI
2123 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2124 #endif
2125 ));
2126
2127 #ifndef FEAT_EVAL
2128 /*
2129 * When the expression evaluation is disabled, recognize the ":if" and
2130 * ":endif" commands and ignore everything in between it.
2131 */
2132 if (ea.cmdidx == CMD_if)
2133 ++if_level;
2134 if (if_level)
2135 {
2136 if (ea.cmdidx == CMD_endif)
2137 --if_level;
2138 goto doend;
2139 }
2140
2141 #endif
2142
2143 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
2144 {
2145 ++p;
2146 ea.forceit = TRUE;
2147 }
2148 else
2149 ea.forceit = FALSE;
2150
2151 /*
2152 * 5. parse arguments
2153 */
2154 #ifdef FEAT_USR_CMDS
2155 if (!USER_CMDIDX(ea.cmdidx))
2156 #endif
2157 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2158
2159 if (!ea.skip)
2160 {
2161 #ifdef HAVE_SANDBOX
2162 if (sandbox != 0 && !(ea.argt & SBOXOK))
2163 {
2164 /* Command not allowed in sandbox. */
2165 errormsg = (char_u *)_(e_sandbox);
2166 goto doend;
2167 }
2168 #endif
2169 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2170 {
2171 /* Command not allowed in non-'modifiable' buffer */
2172 errormsg = (char_u *)_(e_modifiable);
2173 goto doend;
2174 }
2175
2176 if (text_locked() && !(ea.argt & CMDWIN)
2177 # ifdef FEAT_USR_CMDS
2178 && !USER_CMDIDX(ea.cmdidx)
2179 # endif
2180 )
2181 {
2182 /* Command not allowed when editing the command line. */
2183 #ifdef FEAT_CMDWIN
2184 if (cmdwin_type != 0)
2185 errormsg = (char_u *)_(e_cmdwin);
2186 else
2187 #endif
2188 errormsg = (char_u *)_(e_secure);
2189 goto doend;
2190 }
2191 #ifdef FEAT_AUTOCMD
2192 /* Disallow editing another buffer when "curbuf_lock" is set.
2193 * Do allow ":edit" (check for argument later).
2194 * Do allow ":checktime" (it's postponed). */
2195 if (!(ea.argt & CMDWIN)
2196 && ea.cmdidx != CMD_edit
2197 && ea.cmdidx != CMD_checktime
2198 # ifdef FEAT_USR_CMDS
2199 && !USER_CMDIDX(ea.cmdidx)
2200 # endif
2201 && curbuf_locked())
2202 goto doend;
2203 #endif
2204
2205 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2206 {
2207 /* no range allowed */
2208 errormsg = (char_u *)_(e_norange);
2209 goto doend;
2210 }
2211 }
2212
2213 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2214 {
2215 errormsg = (char_u *)_(e_nobang);
2216 goto doend;
2217 }
2218
2219 /*
2220 * Don't complain about the range if it is not used
2221 * (could happen if line_count is accidentally set to 0).
2222 */
2223 if (!ea.skip && !ni)
2224 {
2225 /*
2226 * If the range is backwards, ask for confirmation and, if given, swap
2227 * ea.line1 & ea.line2 so it's forwards again.
2228 * When global command is busy, don't ask, will fail below.
2229 */
2230 if (!global_busy && ea.line1 > ea.line2)
2231 {
2232 if (msg_silent == 0)
2233 {
2234 if (sourcing || exmode_active)
2235 {
2236 errormsg = (char_u *)_("E493: Backwards range given");
2237 goto doend;
2238 }
2239 if (ask_yesno((char_u *)
2240 _("Backwards range given, OK to swap"), FALSE) != 'y')
2241 goto doend;
2242 }
2243 lnum = ea.line1;
2244 ea.line1 = ea.line2;
2245 ea.line2 = lnum;
2246 }
2247 if ((errormsg = invalid_range(&ea)) != NULL)
2248 goto doend;
2249 }
2250
2251 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2252 ea.line2 = 1;
2253
2254 correct_range(&ea);
2255
2256 #ifdef FEAT_FOLDING
2257 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2258 {
2259 /* Put the first line at the start of a closed fold, put the last line
2260 * at the end of a closed fold. */
2261 (void)hasFolding(ea.line1, &ea.line1, NULL);
2262 (void)hasFolding(ea.line2, NULL, &ea.line2);
2263 }
2264 #endif
2265
2266 #ifdef FEAT_QUICKFIX
2267 /*
2268 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2269 * option here, so things like % get expanded.
2270 */
2271 p = replace_makeprg(&ea, p, cmdlinep);
2272 if (p == NULL)
2273 goto doend;
2274 #endif
2275
2276 /*
2277 * Skip to start of argument.
2278 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2279 */
2280 if (ea.cmdidx == CMD_bang)
2281 ea.arg = p;
2282 else
2283 ea.arg = skipwhite(p);
2284
2285 /*
2286 * Check for "++opt=val" argument.
2287 * Must be first, allow ":w ++enc=utf8 !cmd"
2288 */
2289 if (ea.argt & ARGOPT)
2290 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2291 if (getargopt(&ea) == FAIL && !ni)
2292 {
2293 errormsg = (char_u *)_(e_invarg);
2294 goto doend;
2295 }
2296
2297 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2298 {
2299 if (*ea.arg == '>') /* append */
2300 {
2301 if (*++ea.arg != '>') /* typed wrong */
2302 {
2303 errormsg = (char_u *)_("E494: Use w or w>>");
2304 goto doend;
2305 }
2306 ea.arg = skipwhite(ea.arg + 1);
2307 ea.append = TRUE;
2308 }
2309 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2310 {
2311 ++ea.arg;
2312 ea.usefilter = TRUE;
2313 }
2314 }
2315
2316 if (ea.cmdidx == CMD_read)
2317 {
2318 if (ea.forceit)
2319 {
2320 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2321 ea.forceit = FALSE;
2322 }
2323 else if (*ea.arg == '!') /* :r !filter */
2324 {
2325 ++ea.arg;
2326 ea.usefilter = TRUE;
2327 }
2328 }
2329
2330 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2331 {
2332 ea.amount = 1;
2333 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2334 {
2335 ++ea.arg;
2336 ++ea.amount;
2337 }
2338 ea.arg = skipwhite(ea.arg);
2339 }
2340
2341 /*
2342 * Check for "+command" argument, before checking for next command.
2343 * Don't do this for ":read !cmd" and ":write !cmd".
2344 */
2345 if ((ea.argt & EDITCMD) && !ea.usefilter)
2346 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2347
2348 /*
2349 * Check for '|' to separate commands and '"' to start comments.
2350 * Don't do this for ":read !cmd" and ":write !cmd".
2351 */
2352 if ((ea.argt & TRLBAR) && !ea.usefilter)
2353 separate_nextcmd(&ea);
2354
2355 /*
2356 * Check for <newline> to end a shell command.
2357 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2358 * Any others?
2359 */
2360 else if (ea.cmdidx == CMD_bang
2361 || ea.cmdidx == CMD_global
2362 || ea.cmdidx == CMD_vglobal
2363 || ea.usefilter)
2364 {
2365 for (p = ea.arg; *p; ++p)
2366 {
2367 /* Remove one backslash before a newline, so that it's possible to
2368 * pass a newline to the shell and also a newline that is preceded
2369 * with a backslash. This makes it impossible to end a shell
2370 * command in a backslash, but that doesn't appear useful.
2371 * Halving the number of backslashes is incompatible with previous
2372 * versions. */
2373 if (*p == '\\' && p[1] == '\n')
2374 mch_memmove(p, p + 1, STRLEN(p));
2375 else if (*p == '\n')
2376 {
2377 ea.nextcmd = p + 1;
2378 *p = NUL;
2379 break;
2380 }
2381 }
2382 }
2383
2384 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2385 {
2386 ea.line1 = 1;
2387 ea.line2 = curbuf->b_ml.ml_line_count;
2388 }
2389
2390 /* accept numbered register only when no count allowed (:put) */
2391 if ( (ea.argt & REGSTR)
2392 && *ea.arg != NUL
2393 #ifdef FEAT_USR_CMDS
2394 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2395 && USER_CMDIDX(ea.cmdidx)))
2396 /* Do not allow register = for user commands */
2397 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2398 #else
2399 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2400 #endif
2401 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2402 {
2403 ea.regname = *ea.arg++;
2404 #ifdef FEAT_EVAL
2405 /* for '=' register: accept the rest of the line as an expression */
2406 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2407 {
2408 set_expr_line(vim_strsave(ea.arg));
2409 ea.arg += STRLEN(ea.arg);
2410 }
2411 #endif
2412 ea.arg = skipwhite(ea.arg);
2413 }
2414
2415 /*
2416 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2417 * count, it's a buffer name.
2418 */
2419 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2420 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2421 || vim_iswhite(*p)))
2422 {
2423 n = getdigits(&ea.arg);
2424 ea.arg = skipwhite(ea.arg);
2425 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2426 {
2427 errormsg = (char_u *)_(e_zerocount);
2428 goto doend;
2429 }
2430 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2431 {
2432 ea.line2 = n;
2433 if (ea.addr_count == 0)
2434 ea.addr_count = 1;
2435 }
2436 else
2437 {
2438 ea.line1 = ea.line2;
2439 ea.line2 += n - 1;
2440 ++ea.addr_count;
2441 /*
2442 * Be vi compatible: no error message for out of range.
2443 */
2444 if (ea.line2 > curbuf->b_ml.ml_line_count)
2445 ea.line2 = curbuf->b_ml.ml_line_count;
2446 }
2447 }
2448
2449 /*
2450 * Check for flags: 'l', 'p' and '#'.
2451 */
2452 if (ea.argt & EXFLAGS)
2453 get_flags(&ea);
2454 /* no arguments allowed */
2455 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2456 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2457 {
2458 errormsg = (char_u *)_(e_trailing);
2459 goto doend;
2460 }
2461
2462 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2463 {
2464 errormsg = (char_u *)_(e_argreq);
2465 goto doend;
2466 }
2467
2468 #ifdef FEAT_EVAL
2469 /*
2470 * Skip the command when it's not going to be executed.
2471 * The commands like :if, :endif, etc. always need to be executed.
2472 * Also make an exception for commands that handle a trailing command
2473 * themselves.
2474 */
2475 if (ea.skip)
2476 {
2477 switch (ea.cmdidx)
2478 {
2479 /* commands that need evaluation */
2480 case CMD_while:
2481 case CMD_endwhile:
2482 case CMD_for:
2483 case CMD_endfor:
2484 case CMD_if:
2485 case CMD_elseif:
2486 case CMD_else:
2487 case CMD_endif:
2488 case CMD_try:
2489 case CMD_catch:
2490 case CMD_finally:
2491 case CMD_endtry:
2492 case CMD_function:
2493 break;
2494
2495 /* Commands that handle '|' themselves. Check: A command should
2496 * either have the TRLBAR flag, appear in this list or appear in
2497 * the list at ":help :bar". */
2498 case CMD_aboveleft:
2499 case CMD_and:
2500 case CMD_belowright:
2501 case CMD_botright:
2502 case CMD_browse:
2503 case CMD_call:
2504 case CMD_confirm:
2505 case CMD_delfunction:
2506 case CMD_djump:
2507 case CMD_dlist:
2508 case CMD_dsearch:
2509 case CMD_dsplit:
2510 case CMD_echo:
2511 case CMD_echoerr:
2512 case CMD_echomsg:
2513 case CMD_echon:
2514 case CMD_execute:
2515 case CMD_help:
2516 case CMD_hide:
2517 case CMD_ijump:
2518 case CMD_ilist:
2519 case CMD_isearch:
2520 case CMD_isplit:
2521 case CMD_keepalt:
2522 case CMD_keepjumps:
2523 case CMD_keepmarks:
2524 case CMD_leftabove:
2525 case CMD_let:
2526 case CMD_lockmarks:
2527 case CMD_match:
2528 case CMD_mzscheme:
2529 case CMD_perl:
2530 case CMD_psearch:
2531 case CMD_python:
2532 case CMD_return:
2533 case CMD_rightbelow:
2534 case CMD_ruby:
2535 case CMD_silent:
2536 case CMD_smagic:
2537 case CMD_snomagic:
2538 case CMD_substitute:
2539 case CMD_syntax:
2540 case CMD_tab:
2541 case CMD_tcl:
2542 case CMD_throw:
2543 case CMD_tilde:
2544 case CMD_topleft:
2545 case CMD_unlet:
2546 case CMD_verbose:
2547 case CMD_vertical:
2548 break;
2549
2550 default: goto doend;
2551 }
2552 }
2553 #endif
2554
2555 if (ea.argt & XFILE)
2556 {
2557 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2558 goto doend;
2559 }
2560
2561 #ifdef FEAT_LISTCMDS
2562 /*
2563 * Accept buffer name. Cannot be used at the same time with a buffer
2564 * number. Don't do this for a user command.
2565 */
2566 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2567 # ifdef FEAT_USR_CMDS
2568 && !USER_CMDIDX(ea.cmdidx)
2569 # endif
2570 )
2571 {
2572 /*
2573 * :bdelete, :bwipeout and :bunload take several arguments, separated
2574 * by spaces: find next space (skipping over escaped characters).
2575 * The others take one argument: ignore trailing spaces.
2576 */
2577 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2578 || ea.cmdidx == CMD_bunload)
2579 p = skiptowhite_esc(ea.arg);
2580 else
2581 {
2582 p = ea.arg + STRLEN(ea.arg);
2583 while (p > ea.arg && vim_iswhite(p[-1]))
2584 --p;
2585 }
2586 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2587 if (ea.line2 < 0) /* failed */
2588 goto doend;
2589 ea.addr_count = 1;
2590 ea.arg = skipwhite(p);
2591 }
2592 #endif
2593
2594 /*
2595 * 6. switch on command name
2596 *
2597 * The "ea" structure holds the arguments that can be used.
2598 */
2599 ea.cmdlinep = cmdlinep;
2600 ea.getline = fgetline;
2601 ea.cookie = cookie;
2602 #ifdef FEAT_EVAL
2603 ea.cstack = cstack;
2604 #endif
2605
2606 #ifdef FEAT_USR_CMDS
2607 if (USER_CMDIDX(ea.cmdidx))
2608 {
2609 /*
2610 * Execute a user-defined command.
2611 */
2612 do_ucmd(&ea);
2613 }
2614 else
2615 #endif
2616 {
2617 /*
2618 * Call the function to execute the command.
2619 */
2620 ea.errmsg = NULL;
2621 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2622 if (ea.errmsg != NULL)
2623 errormsg = (char_u *)_(ea.errmsg);
2624 }
2625
2626 #ifdef FEAT_EVAL
2627 /*
2628 * If the command just executed called do_cmdline(), any throw or ":return"
2629 * or ":finish" encountered there must also check the cstack of the still
2630 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2631 * exception, or reanimate a returned function or finished script file and
2632 * return or finish it again.
2633 */
2634 if (need_rethrow)
2635 do_throw(cstack);
2636 else if (check_cstack)
2637 {
2638 if (source_finished(fgetline, cookie))
2639 do_finish(&ea, TRUE);
2640 else if (getline_equal(fgetline, cookie, get_func_line)
2641 && current_func_returned())
2642 do_return(&ea, TRUE, FALSE, NULL);
2643 }
2644 need_rethrow = check_cstack = FALSE;
2645 #endif
2646
2647 doend:
2648 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2649 curwin->w_cursor.lnum = 1;
2650
2651 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2652 {
2653 if (sourcing)
2654 {
2655 if (errormsg != IObuff)
2656 {
2657 STRCPY(IObuff, errormsg);
2658 errormsg = IObuff;
2659 }
2660 STRCAT(errormsg, ": ");
2661 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff));
2662 }
2663 emsg(errormsg);
2664 }
2665 #ifdef FEAT_EVAL
2666 do_errthrow(cstack,
2667 (ea.cmdidx != CMD_SIZE
2668 # ifdef FEAT_USR_CMDS
2669 && !USER_CMDIDX(ea.cmdidx)
2670 # endif
2671 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2672 #endif
2673
2674 if (verbose_save >= 0)
2675 p_verbose = verbose_save;
2676 #ifdef FEAT_AUTOCMD
2677 if (cmdmod.save_ei != NULL)
2678 {
2679 /* Restore 'eventignore' to the value before ":noautocmd". */
2680 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2681 OPT_FREE, SID_NONE);
2682 free_string_option(cmdmod.save_ei);
2683 }
2684 #endif
2685
2686 cmdmod = save_cmdmod;
2687
2688 if (did_silent > 0)
2689 {
2690 /* messages could be enabled for a serious error, need to check if the
2691 * counters don't become negative */
2692 msg_silent -= did_silent;
2693 if (msg_silent < 0)
2694 msg_silent = 0;
2695 emsg_silent -= did_esilent;
2696 if (emsg_silent < 0)
2697 emsg_silent = 0;
2698 /* Restore msg_scroll, it's set by file I/O commands, even when no
2699 * message is actually displayed. */
2700 msg_scroll = save_msg_scroll;
2701 }
2702
2703 #ifdef HAVE_SANDBOX
2704 if (did_sandbox)
2705 --sandbox;
2706 #endif
2707
2708 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2709 ea.nextcmd = NULL;
2710
2711 #ifdef FEAT_EVAL
2712 --ex_nesting_level;
2713 #endif
2714
2715 return ea.nextcmd;
2716 }
2717 #if (_MSC_VER == 1200)
2718 #pragma optimize( "", on )
2719 #endif
2720
2721 /*
2722 * Check for an Ex command with optional tail.
2723 * If there is a match advance "pp" to the argument and return TRUE.
2724 */
2725 int
2726 checkforcmd(pp, cmd, len)
2727 char_u **pp; /* start of command */
2728 char *cmd; /* name of command */
2729 int len; /* required length */
2730 {
2731 int i;
2732
2733 for (i = 0; cmd[i] != NUL; ++i)
2734 if (cmd[i] != (*pp)[i])
2735 break;
2736 if (i >= len && !isalpha((*pp)[i]))
2737 {
2738 *pp = skipwhite(*pp + i);
2739 return TRUE;
2740 }
2741 return FALSE;
2742 }
2743
2744 /*
2745 * Find an Ex command by its name, either built-in or user.
2746 * Start of the name can be found at eap->cmd.
2747 * Returns pointer to char after the command name.
2748 * "full" is set to TRUE if the whole command name matched.
2749 * Returns NULL for an ambiguous user command.
2750 */
2751 /*ARGSUSED*/
2752 static char_u *
2753 find_command(eap, full)
2754 exarg_T *eap;
2755 int *full;
2756 {
2757 int len;
2758 char_u *p;
2759 int i;
2760
2761 /*
2762 * Isolate the command and search for it in the command table.
2763 * Exeptions:
2764 * - the 'k' command can directly be followed by any character.
2765 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2766 * but :sre[wind] is another command, as are :scrip[tnames],
2767 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2768 * - the "d" command can directly be followed by 'l' or 'p' flag.
2769 */
2770 p = eap->cmd;
2771 if (*p == 'k')
2772 {
2773 eap->cmdidx = CMD_k;
2774 ++p;
2775 }
2776 else if (p[0] == 's'
2777 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2778 && p[3] != 'i' && p[4] != 'p')
2779 || p[1] == 'g'
2780 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2781 || p[1] == 'I'
2782 || (p[1] == 'r' && p[2] != 'e')))
2783 {
2784 eap->cmdidx = CMD_substitute;
2785 ++p;
2786 }
2787 else
2788 {
2789 while (ASCII_ISALPHA(*p))
2790 ++p;
2791 /* check for non-alpha command */
2792 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2793 ++p;
2794 len = (int)(p - eap->cmd);
2795 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2796 {
2797 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2798 * :delete with the 'l' flag. Same for 'p'. */
2799 for (i = 0; i < len; ++i)
2800 if (eap->cmd[i] != "delete"[i])
2801 break;
2802 if (i == len - 1)
2803 {
2804 --len;
2805 if (p[-1] == 'l')
2806 eap->flags |= EXFLAG_LIST;
2807 else
2808 eap->flags |= EXFLAG_PRINT;
2809 }
2810 }
2811
2812 if (ASCII_ISLOWER(*eap->cmd))
2813 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2814 else
2815 eap->cmdidx = cmdidxs[26];
2816
2817 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2818 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2819 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2820 (size_t)len) == 0)
2821 {
2822 #ifdef FEAT_EVAL
2823 if (full != NULL
2824 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2825 *full = TRUE;
2826 #endif
2827 break;
2828 }
2829
2830 #ifdef FEAT_USR_CMDS
2831 /* Look for a user defined command as a last resort */
2832 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2833 {
2834 /* User defined commands may contain digits. */
2835 while (ASCII_ISALNUM(*p))
2836 ++p;
2837 p = find_ucmd(eap, p, full, NULL, NULL);
2838 }
2839 #endif
2840 if (p == eap->cmd)
2841 eap->cmdidx = CMD_SIZE;
2842 }
2843
2844 return p;
2845 }
2846
2847 #ifdef FEAT_USR_CMDS
2848 /*
2849 * Search for a user command that matches "eap->cmd".
2850 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2851 * Return a pointer to just after the command.
2852 * Return NULL if there is no matching command.
2853 */
2854 static char_u *
2855 find_ucmd(eap, p, full, xp, compl)
2856 exarg_T *eap;
2857 char_u *p; /* end of the command (possibly including count) */
2858 int *full; /* set to TRUE for a full match */
2859 expand_T *xp; /* used for completion, NULL otherwise */
2860 int *compl; /* completion flags or NULL */
2861 {
2862 int len = (int)(p - eap->cmd);
2863 int j, k, matchlen = 0;
2864 ucmd_T *uc;
2865 int found = FALSE;
2866 int possible = FALSE;
2867 char_u *cp, *np; /* Point into typed cmd and test name */
2868 garray_T *gap;
2869 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2870 only full match global is accepted. */
2871
2872 /*
2873 * Look for buffer-local user commands first, then global ones.
2874 */
2875 gap = &curbuf->b_ucmds;
2876 for (;;)
2877 {
2878 for (j = 0; j < gap->ga_len; ++j)
2879 {
2880 uc = USER_CMD_GA(gap, j);
2881 cp = eap->cmd;
2882 np = uc->uc_name;
2883 k = 0;
2884 while (k < len && *np != NUL && *cp++ == *np++)
2885 k++;
2886 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2887 {
2888 /* If finding a second match, the command is ambiguous. But
2889 * not if a buffer-local command wasn't a full match and a
2890 * global command is a full match. */
2891 if (k == len && found && *np != NUL)
2892 {
2893 if (gap == &ucmds)
2894 return NULL;
2895 amb_local = TRUE;
2896 }
2897
2898 if (!found || (k == len && *np == NUL))
2899 {
2900 /* If we matched up to a digit, then there could
2901 * be another command including the digit that we
2902 * should use instead.
2903 */
2904 if (k == len)
2905 found = TRUE;
2906 else
2907 possible = TRUE;
2908
2909 if (gap == &ucmds)
2910 eap->cmdidx = CMD_USER;
2911 else
2912 eap->cmdidx = CMD_USER_BUF;
2913 eap->argt = (long)uc->uc_argt;
2914 eap->useridx = j;
2915
2916 # ifdef FEAT_CMDL_COMPL
2917 if (compl != NULL)
2918 *compl = uc->uc_compl;
2919 # ifdef FEAT_EVAL
2920 if (xp != NULL)
2921 {
2922 xp->xp_arg = uc->uc_compl_arg;
2923 xp->xp_scriptID = uc->uc_scriptID;
2924 }
2925 # endif
2926 # endif
2927 /* Do not search for further abbreviations
2928 * if this is an exact match. */
2929 matchlen = k;
2930 if (k == len && *np == NUL)
2931 {
2932 if (full != NULL)
2933 *full = TRUE;
2934 amb_local = FALSE;
2935 break;
2936 }
2937 }
2938 }
2939 }
2940
2941 /* Stop if we found a full match or searched all. */
2942 if (j < gap->ga_len || gap == &ucmds)
2943 break;
2944 gap = &ucmds;
2945 }
2946
2947 /* Only found ambiguous matches. */
2948 if (amb_local)
2949 {
2950 if (xp != NULL)
2951 xp->xp_context = EXPAND_UNSUCCESSFUL;
2952 return NULL;
2953 }
2954
2955 /* The match we found may be followed immediately by a number. Move "p"
2956 * back to point to it. */
2957 if (found || possible)
2958 return p + (matchlen - len);
2959 return p;
2960 }
2961 #endif
2962
2963 #if defined(FEAT_EVAL) || defined(PROTO)
2964 /*
2965 * Return > 0 if an Ex command "name" exists.
2966 * Return 2 if there is an exact match.
2967 * Return 3 if there is an ambiguous match.
2968 */
2969 int
2970 cmd_exists(name)
2971 char_u *name;
2972 {
2973 exarg_T ea;
2974 int full = FALSE;
2975 int i;
2976 int j;
2977 char_u *p;
2978 static struct cmdmod
2979 {
2980 char *name;
2981 int minlen;
2982 } cmdmods[] = {
2983 {"aboveleft", 3},
2984 {"belowright", 3},
2985 {"botright", 2},
2986 {"browse", 3},
2987 {"confirm", 4},
2988 {"hide", 3},
2989 {"keepalt", 5},
2990 {"keepjumps", 5},
2991 {"keepmarks", 3},
2992 {"leftabove", 5},
2993 {"lockmarks", 3},
2994 {"rightbelow", 6},
2995 {"sandbox", 3},
2996 {"silent", 3},
2997 {"tab", 3},
2998 {"topleft", 2},
2999 {"verbose", 4},
3000 {"vertical", 4},
3001 };
3002
3003 /* Check command modifiers. */
3004 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3005 {
3006 for (j = 0; name[j] != NUL; ++j)
3007 if (name[j] != cmdmods[i].name[j])
3008 break;
3009 if (name[j] == NUL && j >= cmdmods[i].minlen)
3010 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3011 }
3012
3013 /* Check built-in commands and user defined commands.
3014 * For ":2match" and ":3match" we need to skip the number. */
3015 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3016 ea.cmdidx = (cmdidx_T)0;
3017 p = find_command(&ea, &full);
3018 if (p == NULL)
3019 return 3;
3020 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3021 return 0;
3022 if (*skipwhite(p) != NUL)
3023 return 0; /* trailing garbage */
3024 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3025 }
3026 #endif
3027
3028 /*
3029 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3030 * we don't need/want deleted. Maybe this could be done better if we didn't
3031 * repeat all this stuff. The only problem is that they may not stay
3032 * perfectly compatible with each other, but then the command line syntax
3033 * probably won't change that much -- webb.
3034 */
3035 char_u *
3036 set_one_cmd_context(xp, buff)
3037 expand_T *xp;
3038 char_u *buff; /* buffer for command string */
3039 {
3040 char_u *p;
3041 char_u *cmd, *arg;
3042 int len = 0;
3043 exarg_T ea;
3044 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3045 int compl = EXPAND_NOTHING;
3046 #endif
3047 #ifdef FEAT_CMDL_COMPL
3048 int delim;
3049 #endif
3050 int forceit = FALSE;
3051 int usefilter = FALSE; /* filter instead of file name */
3052
3053 ExpandInit(xp);
3054 xp->xp_pattern = buff;
3055 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3056 ea.argt = 0;
3057
3058 /*
3059 * 2. skip comment lines and leading space, colons or bars
3060 */
3061 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3062 ;
3063 xp->xp_pattern = cmd;
3064
3065 if (*cmd == NUL)
3066 return NULL;
3067 if (*cmd == '"') /* ignore comment lines */
3068 {
3069 xp->xp_context = EXPAND_NOTHING;
3070 return NULL;
3071 }
3072
3073 /*
3074 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3075 */
3076 cmd = skip_range(cmd, &xp->xp_context);
3077
3078 /*
3079 * 4. parse command
3080 */
3081 xp->xp_pattern = cmd;
3082 if (*cmd == NUL)
3083 return NULL;
3084 if (*cmd == '"')
3085 {
3086 xp->xp_context = EXPAND_NOTHING;
3087 return NULL;
3088 }
3089
3090 if (*cmd == '|' || *cmd == '\n')
3091 return cmd + 1; /* There's another command */
3092
3093 /*
3094 * Isolate the command and search for it in the command table.
3095 * Exceptions:
3096 * - the 'k' command can directly be followed by any character, but
3097 * do accept "keepmarks", "keepalt" and "keepjumps".
3098 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3099 */
3100 if (*cmd == 'k' && cmd[1] != 'e')
3101 {
3102 ea.cmdidx = CMD_k;
3103 p = cmd + 1;
3104 }
3105 else
3106 {
3107 p = cmd;
3108 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3109 ++p;
3110 /* check for non-alpha command */
3111 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3112 ++p;
3113 len = (int)(p - cmd);
3114
3115 if (len == 0)
3116 {
3117 xp->xp_context = EXPAND_UNSUCCESSFUL;
3118 return NULL;
3119 }
3120 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3121 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3122 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3123 break;
3124
3125 #ifdef FEAT_USR_CMDS
3126 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3127 {
3128 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3129 ++p;
3130 len = (int)(p - cmd);
3131 }
3132 #endif
3133 }
3134
3135 /*
3136 * If the cursor is touching the command, and it ends in an alpha-numeric
3137 * character, complete the command name.
3138 */
3139 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3140 return NULL;
3141
3142 if (ea.cmdidx == CMD_SIZE)
3143 {
3144 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3145 {
3146 ea.cmdidx = CMD_substitute;
3147 p = cmd + 1;
3148 }
3149 #ifdef FEAT_USR_CMDS
3150 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3151 {
3152 ea.cmd = cmd;
3153 p = find_ucmd(&ea, p, NULL, xp,
3154 # if defined(FEAT_CMDL_COMPL)
3155 &compl
3156 # else
3157 NULL
3158 # endif
3159 );
3160 if (p == NULL)
3161 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3162 }
3163 #endif
3164 }
3165 if (ea.cmdidx == CMD_SIZE)
3166 {
3167 /* Not still touching the command and it was an illegal one */
3168 xp->xp_context = EXPAND_UNSUCCESSFUL;
3169 return NULL;
3170 }
3171
3172 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3173
3174 if (*p == '!') /* forced commands */
3175 {
3176 forceit = TRUE;
3177 ++p;
3178 }
3179
3180 /*
3181 * 5. parse arguments
3182 */
3183 #ifdef FEAT_USR_CMDS
3184 if (!USER_CMDIDX(ea.cmdidx))
3185 #endif
3186 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3187
3188 arg = skipwhite(p);
3189
3190 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3191 {
3192 if (*arg == '>') /* append */
3193 {
3194 if (*++arg == '>')
3195 ++arg;
3196 arg = skipwhite(arg);
3197 }
3198 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3199 {
3200 ++arg;
3201 usefilter = TRUE;
3202 }
3203 }
3204
3205 if (ea.cmdidx == CMD_read)
3206 {
3207 usefilter = forceit; /* :r! filter if forced */
3208 if (*arg == '!') /* :r !filter */
3209 {
3210 ++arg;
3211 usefilter = TRUE;
3212 }
3213 }
3214
3215 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3216 {
3217 while (*arg == *cmd) /* allow any number of '>' or '<' */
3218 ++arg;
3219 arg = skipwhite(arg);
3220 }
3221
3222 /* Does command allow "+command"? */
3223 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3224 {
3225 /* Check if we're in the +command */
3226 p = arg + 1;
3227 arg = skip_cmd_arg(arg, FALSE);
3228
3229 /* Still touching the command after '+'? */
3230 if (*arg == NUL)
3231 return p;
3232
3233 /* Skip space(s) after +command to get to the real argument */
3234 arg = skipwhite(arg);
3235 }
3236
3237 /*
3238 * Check for '|' to separate commands and '"' to start comments.
3239 * Don't do this for ":read !cmd" and ":write !cmd".
3240 */
3241 if ((ea.argt & TRLBAR) && !usefilter)
3242 {
3243 p = arg;
3244 /* ":redir @" is not the start of a comment */
3245 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3246 p += 2;
3247 while (*p)
3248 {
3249 if (*p == Ctrl_V)
3250 {
3251 if (p[1] != NUL)
3252 ++p;
3253 }
3254 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3255 || *p == '|' || *p == '\n')
3256 {
3257 if (*(p - 1) != '\\')
3258 {
3259 if (*p == '|' || *p == '\n')
3260 return p + 1;
3261 return NULL; /* It's a comment */
3262 }
3263 }
3264 mb_ptr_adv(p);
3265 }
3266 }
3267
3268 /* no arguments allowed */
3269 if (!(ea.argt & EXTRA) && *arg != NUL &&
3270 vim_strchr((char_u *)"|\"", *arg) == NULL)
3271 return NULL;
3272
3273 /* Find start of last argument (argument just before cursor): */
3274 p = buff + STRLEN(buff);
3275 while (p != arg && *p != ' ' && *p != TAB)
3276 p--;
3277 if (*p == ' ' || *p == TAB)
3278 p++;
3279 xp->xp_pattern = p;
3280
3281 if (ea.argt & XFILE)
3282 {
3283 int c;
3284 int in_quote = FALSE;
3285 char_u *bow = NULL; /* Beginning of word */
3286
3287 /*
3288 * Allow spaces within back-quotes to count as part of the argument
3289 * being expanded.
3290 */
3291 xp->xp_pattern = skipwhite(arg);
3292 p = xp->xp_pattern;
3293 while (*p != NUL)
3294 {
3295 #ifdef FEAT_MBYTE
3296 if (has_mbyte)
3297 c = mb_ptr2char(p);
3298 else
3299 #endif
3300 c = *p;
3301 if (c == '\\' && p[1] != NUL)
3302 ++p;
3303 else if (c == '`')
3304 {
3305 if (!in_quote)
3306 {
3307 xp->xp_pattern = p;
3308 bow = p + 1;
3309 }
3310 in_quote = !in_quote;
3311 }
3312 #ifdef SPACE_IN_FILENAME
3313 else if (!vim_isfilec_or_wc(c)
3314 && (!(ea.argt & NOSPC) || usefilter))
3315 #else
3316 else if (!vim_isfilec_or_wc(c))
3317 #endif
3318 {
3319 while (*p != NUL)
3320 {
3321 #ifdef FEAT_MBYTE
3322 if (has_mbyte)
3323 c = mb_ptr2char(p);
3324 else
3325 #endif
3326 c = *p;
3327 if (c == '`' || vim_isfilec_or_wc(c))
3328 break;
3329 #ifdef FEAT_MBYTE
3330 if (has_mbyte)
3331 len = (*mb_ptr2len)(p);
3332 else
3333 #endif
3334 len = 1;
3335 mb_ptr_adv(p);
3336 }
3337 if (in_quote)
3338 bow = p;
3339 else
3340 xp->xp_pattern = p;
3341 p -= len;
3342 }
3343 mb_ptr_adv(p);
3344 }
3345
3346 /*
3347 * If we are still inside the quotes, and we passed a space, just
3348 * expand from there.
3349 */
3350 if (bow != NULL && in_quote)
3351 xp->xp_pattern = bow;
3352 xp->xp_context = EXPAND_FILES;
3353
3354 #ifndef BACKSLASH_IN_FILENAME
3355 /* For a shell command more chars need to be escaped. */
3356 if (usefilter || ea.cmdidx == CMD_bang)
3357 {
3358 xp->xp_shell = TRUE;
3359
3360 /* When still after the command name expand executables. */
3361 if (xp->xp_pattern == skipwhite(arg))
3362 xp->xp_context = EXPAND_SHELLCMD;
3363 }
3364 #endif
3365
3366 /* Check for environment variable */
3367 if (*xp->xp_pattern == '$'
3368 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3369 || *xp->xp_pattern == '%'
3370 #endif
3371 )
3372 {
3373 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3374 if (!vim_isIDc(*p))
3375 break;
3376 if (*p == NUL)
3377 {
3378 xp->xp_context = EXPAND_ENV_VARS;
3379 ++xp->xp_pattern;
3380 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3381 /* Avoid that the assignment uses EXPAND_FILES again. */
3382 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3383 compl = EXPAND_ENV_VARS;
3384 #endif
3385 }
3386 }
3387 }
3388
3389 /*
3390 * 6. switch on command name
3391 */
3392 switch (ea.cmdidx)
3393 {
3394 case CMD_cd:
3395 case CMD_chdir:
3396 case CMD_lcd:
3397 case CMD_lchdir:
3398 if (xp->xp_context == EXPAND_FILES)
3399 xp->xp_context = EXPAND_DIRECTORIES;
3400 break;
3401 case CMD_help:
3402 xp->xp_context = EXPAND_HELP;
3403 xp->xp_pattern = arg;
3404 break;
3405
3406 /* Command modifiers: return the argument.
3407 * Also for commands with an argument that is a command. */
3408 case CMD_aboveleft:
3409 case CMD_argdo:
3410 case CMD_belowright:
3411 case CMD_botright:
3412 case CMD_browse:
3413 case CMD_bufdo:
3414 case CMD_confirm:
3415 case CMD_debug:
3416 case CMD_folddoclosed:
3417 case CMD_folddoopen:
3418 case CMD_hide:
3419 case CMD_keepalt:
3420 case CMD_keepjumps:
3421 case CMD_keepmarks:
3422 case CMD_leftabove:
3423 case CMD_lockmarks:
3424 case CMD_rightbelow:
3425 case CMD_sandbox:
3426 case CMD_silent:
3427 case CMD_tab:
3428 case CMD_topleft:
3429 case CMD_verbose:
3430 case CMD_vertical:
3431 case CMD_windo:
3432 return arg;
3433
3434 #ifdef FEAT_CMDL_COMPL
3435 # ifdef FEAT_SEARCH_EXTRA
3436 case CMD_match:
3437 if (*arg == NUL || !ends_excmd(*arg))
3438 {
3439 /* also complete "None" */
3440 set_context_in_echohl_cmd(xp, arg);
3441 arg = skipwhite(skiptowhite(arg));
3442 if (*arg != NUL)
3443 {
3444 xp->xp_context = EXPAND_NOTHING;
3445 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3446 }
3447 }
3448 return find_nextcmd(arg);
3449 # endif
3450
3451 /*
3452 * All completion for the +cmdline_compl feature goes here.
3453 */
3454
3455 # ifdef FEAT_USR_CMDS
3456 case CMD_command:
3457 /* Check for attributes */
3458 while (*arg == '-')
3459 {
3460 arg++; /* Skip "-" */
3461 p = skiptowhite(arg);
3462 if (*p == NUL)
3463 {
3464 /* Cursor is still in the attribute */
3465 p = vim_strchr(arg, '=');
3466 if (p == NULL)
3467 {
3468 /* No "=", so complete attribute names */
3469 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3470 xp->xp_pattern = arg;
3471 return NULL;
3472 }
3473
3474 /* For the -complete and -nargs attributes, we complete
3475 * their arguments as well.
3476 */
3477 if (STRNICMP(arg, "complete", p - arg) == 0)
3478 {
3479 xp->xp_context = EXPAND_USER_COMPLETE;
3480 xp->xp_pattern = p + 1;
3481 return NULL;
3482 }
3483 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3484 {
3485 xp->xp_context = EXPAND_USER_NARGS;
3486 xp->xp_pattern = p + 1;
3487 return NULL;
3488 }
3489 return NULL;
3490 }
3491 arg = skipwhite(p);
3492 }
3493
3494 /* After the attributes comes the new command name */
3495 p = skiptowhite(arg);
3496 if (*p == NUL)
3497 {
3498 xp->xp_context = EXPAND_USER_COMMANDS;
3499 xp->xp_pattern = arg;
3500 break;
3501 }
3502
3503 /* And finally comes a normal command */
3504 return skipwhite(p);
3505
3506 case CMD_delcommand:
3507 xp->xp_context = EXPAND_USER_COMMANDS;
3508 xp->xp_pattern = arg;
3509 break;
3510 # endif
3511
3512 case CMD_global:
3513 case CMD_vglobal:
3514 delim = *arg; /* get the delimiter */
3515 if (delim)
3516 ++arg; /* skip delimiter if there is one */
3517
3518 while (arg[0] != NUL && arg[0] != delim)
3519 {
3520 if (arg[0] == '\\' && arg[1] != NUL)
3521 ++arg;
3522 ++arg;
3523 }
3524 if (arg[0] != NUL)
3525 return arg + 1;
3526 break;
3527 case CMD_and:
3528 case CMD_substitute:
3529 delim = *arg;
3530 if (delim)
3531 {
3532 /* skip "from" part */
3533 ++arg;
3534 arg = skip_regexp(arg, delim, p_magic, NULL);
3535 }
3536 /* skip "to" part */
3537 while (arg[0] != NUL && arg[0] != delim)
3538 {
3539 if (arg[0] == '\\' && arg[1] != NUL)
3540 ++arg;
3541 ++arg;
3542 }
3543 if (arg[0] != NUL) /* skip delimiter */
3544 ++arg;
3545 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3546 ++arg;
3547 if (arg[0] != NUL)
3548 return arg;
3549 break;
3550 case CMD_isearch:
3551 case CMD_dsearch:
3552 case CMD_ilist:
3553 case CMD_dlist:
3554 case CMD_ijump:
3555 case CMD_psearch:
3556 case CMD_djump:
3557 case CMD_isplit:
3558 case CMD_dsplit:
3559 arg = skipwhite(skipdigits(arg)); /* skip count */
3560 if (*arg == '/') /* Match regexp, not just whole words */
3561 {
3562 for (++arg; *arg && *arg != '/'; arg++)
3563 if (*arg == '\\' && arg[1] != NUL)
3564 arg++;
3565 if (*arg)
3566 {
3567 arg = skipwhite(arg + 1);
3568
3569 /* Check for trailing illegal characters */
3570 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3571 xp->xp_context = EXPAND_NOTHING;
3572 else
3573 return arg;
3574 }
3575 }
3576 break;
3577 #ifdef FEAT_AUTOCMD
3578 case CMD_autocmd:
3579 return set_context_in_autocmd(xp, arg, FALSE);
3580
3581 case CMD_doautocmd:
3582 return set_context_in_autocmd(xp, arg, TRUE);
3583 #endif
3584 case CMD_set:
3585 set_context_in_set_cmd(xp, arg, 0);
3586 break;
3587 case CMD_setglobal:
3588 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3589 break;
3590 case CMD_setlocal:
3591 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3592 break;
3593 case CMD_tag:
3594 case CMD_stag:
3595 case CMD_ptag:
3596 case CMD_ltag:
3597 case CMD_tselect:
3598 case CMD_stselect:
3599 case CMD_ptselect:
3600 case CMD_tjump:
3601 case CMD_stjump:
3602 case CMD_ptjump:
3603 if (*p_wop != NUL)
3604 xp->xp_context = EXPAND_TAGS_LISTFILES;
3605 else
3606 xp->xp_context = EXPAND_TAGS;
3607 xp->xp_pattern = arg;
3608 break;
3609 case CMD_augroup:
3610 xp->xp_context = EXPAND_AUGROUP;
3611 xp->xp_pattern = arg;
3612 break;
3613 #ifdef FEAT_SYN_HL
3614 case CMD_syntax:
3615 set_context_in_syntax_cmd(xp, arg);
3616 break;
3617 #endif
3618 #ifdef FEAT_EVAL
3619 case CMD_let:
3620 case CMD_if:
3621 case CMD_elseif:
3622 case CMD_while:
3623 case CMD_for:
3624 case CMD_echo:
3625 case CMD_echon:
3626 case CMD_execute:
3627 case CMD_echomsg:
3628 case CMD_echoerr:
3629 case CMD_call:
3630 case CMD_return:
3631 set_context_for_expression(xp, arg, ea.cmdidx);
3632 break;
3633
3634 case CMD_unlet:
3635 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3636 arg = xp->xp_pattern + 1;
3637 xp->xp_context = EXPAND_USER_VARS;
3638 xp->xp_pattern = arg;
3639 break;
3640
3641 case CMD_function:
3642 case CMD_delfunction:
3643 xp->xp_context = EXPAND_USER_FUNC;
3644 xp->xp_pattern = arg;
3645 break;
3646
3647 case CMD_echohl:
3648 set_context_in_echohl_cmd(xp, arg);
3649 break;
3650 #endif
3651 case CMD_highlight:
3652 set_context_in_highlight_cmd(xp, arg);
3653 break;
3654 #ifdef FEAT_LISTCMDS
3655 case CMD_bdelete:
3656 case CMD_bwipeout:
3657 case CMD_bunload:
3658 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3659 arg = xp->xp_pattern + 1;
3660 /*FALLTHROUGH*/
3661 case CMD_buffer:
3662 case CMD_sbuffer:
3663 case CMD_checktime:
3664 xp->xp_context = EXPAND_BUFFERS;
3665 xp->xp_pattern = arg;
3666 break;
3667 #endif
3668 #ifdef FEAT_USR_CMDS
3669 case CMD_USER:
3670 case CMD_USER_BUF:
3671 if (compl != EXPAND_NOTHING)
3672 {
3673 /* XFILE: file names are handled above */
3674 if (!(ea.argt & XFILE))
3675 {
3676 # ifdef FEAT_MENU
3677 if (compl == EXPAND_MENUS)
3678 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3679 # endif
3680 if (compl == EXPAND_COMMANDS)
3681 return arg;
3682 if (compl == EXPAND_MAPPINGS)
3683 return set_context_in_map_cmd(xp, (char_u *)"map",
3684 arg, forceit, FALSE, FALSE, CMD_map);
3685 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3686 arg = xp->xp_pattern + 1;
3687 xp->xp_pattern = arg;
3688 }
3689 xp->xp_context = compl;
3690 }
3691 break;
3692 #endif
3693 case CMD_map: case CMD_noremap:
3694 case CMD_nmap: case CMD_nnoremap:
3695 case CMD_vmap: case CMD_vnoremap:
3696 case CMD_omap: case CMD_onoremap:
3697 case CMD_imap: case CMD_inoremap:
3698 case CMD_cmap: case CMD_cnoremap:
3699 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3700 FALSE, FALSE, ea.cmdidx);
3701 case CMD_unmap:
3702 case CMD_nunmap:
3703 case CMD_vunmap:
3704 case CMD_ounmap:
3705 case CMD_iunmap:
3706 case CMD_cunmap:
3707 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3708 FALSE, TRUE, ea.cmdidx);
3709 case CMD_abbreviate: case CMD_noreabbrev:
3710 case CMD_cabbrev: case CMD_cnoreabbrev:
3711 case CMD_iabbrev: case CMD_inoreabbrev:
3712 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3713 TRUE, FALSE, ea.cmdidx);
3714 case CMD_unabbreviate:
3715 case CMD_cunabbrev:
3716 case CMD_iunabbrev:
3717 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3718 TRUE, TRUE, ea.cmdidx);
3719 #ifdef FEAT_MENU
3720 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3721 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3722 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3723 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3724 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3725 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3726 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3727 case CMD_tmenu: case CMD_tunmenu:
3728 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3729 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3730 #endif
3731
3732 case CMD_colorscheme:
3733 xp->xp_context = EXPAND_COLORS;
3734 xp->xp_pattern = arg;
3735 break;
3736
3737 case CMD_compiler:
3738 xp->xp_context = EXPAND_COMPILER;
3739 xp->xp_pattern = arg;
3740 break;
3741
3742 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3743 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3744 case CMD_language:
3745 if (*skiptowhite(arg) == NUL)
3746 {
3747 xp->xp_context = EXPAND_LANGUAGE;
3748 xp->xp_pattern = arg;
3749 }
3750 else
3751 xp->xp_context = EXPAND_NOTHING;
3752 break;
3753 #endif
3754
3755 #endif /* FEAT_CMDL_COMPL */
3756
3757 default:
3758 break;
3759 }
3760 return NULL;
3761 }
3762
3763 /*
3764 * skip a range specifier of the form: addr [,addr] [;addr] ..
3765 *
3766 * Backslashed delimiters after / or ? will be skipped, and commands will
3767 * not be expanded between /'s and ?'s or after "'".
3768 *
3769 * Also skip white space and ":" characters.
3770 * Returns the "cmd" pointer advanced to beyond the range.
3771 */
3772 char_u *
3773 skip_range(cmd, ctx)
3774 char_u *cmd;
3775 int *ctx; /* pointer to xp_context or NULL */
3776 {
3777 int delim;
3778
3779 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3780 {
3781 if (*cmd == '\'')
3782 {
3783 if (*++cmd == NUL && ctx != NULL)
3784 *ctx = EXPAND_NOTHING;
3785 }
3786 else if (*cmd == '/' || *cmd == '?')
3787 {
3788 delim = *cmd++;
3789 while (*cmd != NUL && *cmd != delim)
3790 if (*cmd++ == '\\' && *cmd != NUL)
3791 ++cmd;
3792 if (*cmd == NUL && ctx != NULL)
3793 *ctx = EXPAND_NOTHING;
3794 }
3795 if (*cmd != NUL)
3796 ++cmd;
3797 }
3798
3799 /* Skip ":" and white space. */
3800 while (*cmd == ':')
3801 cmd = skipwhite(cmd + 1);
3802
3803 return cmd;
3804 }
3805
3806 /*
3807 * get a single EX address
3808 *
3809 * Set ptr to the next character after the part that was interpreted.
3810 * Set ptr to NULL when an error is encountered.
3811 *
3812 * Return MAXLNUM when no Ex address was found.
3813 */
3814 static linenr_T
3815 get_address(ptr, skip, to_other_file)
3816 char_u **ptr;
3817 int skip; /* only skip the address, don't use it */
3818 int to_other_file; /* flag: may jump to other file */
3819 {
3820 int c;
3821 int i;
3822 long n;
3823 char_u *cmd;
3824 pos_T pos;
3825 pos_T *fp;
3826 linenr_T lnum;
3827
3828 cmd = skipwhite(*ptr);
3829 lnum = MAXLNUM;
3830 do
3831 {
3832 switch (*cmd)
3833 {
3834 case '.': /* '.' - Cursor position */
3835 ++cmd;
3836 lnum = curwin->w_cursor.lnum;
3837 break;
3838
3839 case '$': /* '$' - last line */
3840 ++cmd;
3841 lnum = curbuf->b_ml.ml_line_count;
3842 break;
3843
3844 case '\'': /* ''' - mark */
3845 if (*++cmd == NUL)
3846 {
3847 cmd = NULL;
3848 goto error;
3849 }
3850 if (skip)
3851 ++cmd;
3852 else
3853 {
3854 /* Only accept a mark in another file when it is
3855 * used by itself: ":'M". */
3856 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3857 ++cmd;
3858 if (fp == (pos_T *)-1)
3859 /* Jumped to another file. */
3860 lnum = curwin->w_cursor.lnum;
3861 else
3862 {
3863 if (check_mark(fp) == FAIL)
3864 {
3865 cmd = NULL;
3866 goto error;
3867 }
3868 lnum = fp->lnum;
3869 }
3870 }
3871 break;
3872
3873 case '/':
3874 case '?': /* '/' or '?' - search */
3875 c = *cmd++;
3876 if (skip) /* skip "/pat/" */
3877 {
3878 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3879 if (*cmd == c)
3880 ++cmd;
3881 }
3882 else
3883 {
3884 pos = curwin->w_cursor; /* save curwin->w_cursor */
3885 /*
3886 * When '/' or '?' follows another address, start
3887 * from there.
3888 */
3889 if (lnum != MAXLNUM)
3890 curwin->w_cursor.lnum = lnum;
3891 /*
3892 * Start a forward search at the end of the line.
3893 * Start a backward search at the start of the line.
3894 * This makes sure we never match in the current
3895 * line, and can match anywhere in the
3896 * next/previous line.
3897 */
3898 if (c == '/')
3899 curwin->w_cursor.col = MAXCOL;
3900 else
3901 curwin->w_cursor.col = 0;
3902 searchcmdlen = 0;
3903 if (!do_search(NULL, c, cmd, 1L,
3904 SEARCH_HIS + SEARCH_MSG + SEARCH_START))
3905 {
3906 curwin->w_cursor = pos;
3907 cmd = NULL;
3908 goto error;
3909 }
3910 lnum = curwin->w_cursor.lnum;
3911 curwin->w_cursor = pos;
3912 /* adjust command string pointer */
3913 cmd += searchcmdlen;
3914 }
3915 break;
3916
3917 case '\\': /* "\?", "\/" or "\&", repeat search */
3918 ++cmd;
3919 if (*cmd == '&')
3920 i = RE_SUBST;
3921 else if (*cmd == '?' || *cmd == '/')
3922 i = RE_SEARCH;
3923 else
3924 {
3925 EMSG(_(e_backslash));
3926 cmd = NULL;
3927 goto error;
3928 }
3929
3930 if (!skip)
3931 {
3932 /*
3933 * When search follows another address, start from
3934 * there.
3935 */
3936 if (lnum != MAXLNUM)
3937 pos.lnum = lnum;
3938 else
3939 pos.lnum = curwin->w_cursor.lnum;
3940
3941 /*
3942 * Start the search just like for the above
3943 * do_search().
3944 */
3945 if (*cmd != '?')
3946 pos.col = MAXCOL;
3947 else
3948 pos.col = 0;
3949 if (searchit(curwin, curbuf, &pos,
3950 *cmd == '?' ? BACKWARD : FORWARD,
3951 (char_u *)"", 1L,
3952 SEARCH_MSG + SEARCH_START,
3953 i, (linenr_T)0) != FAIL)
3954 lnum = pos.lnum;
3955 else
3956 {
3957 cmd = NULL;
3958 goto error;
3959 }
3960 }
3961 ++cmd;
3962 break;
3963
3964 default:
3965 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
3966 lnum = getdigits(&cmd);
3967 }
3968
3969 for (;;)
3970 {
3971 cmd = skipwhite(cmd);
3972 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
3973 break;
3974
3975 if (lnum == MAXLNUM)
3976 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
3977 if (VIM_ISDIGIT(*cmd))
3978 i = '+'; /* "number" is same as "+number" */
3979 else
3980 i = *cmd++;
3981 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
3982 n = 1;
3983 else
3984 n = getdigits(&cmd);
3985 if (i == '-')
3986 lnum -= n;
3987 else
3988 lnum += n;
3989 }
3990 } while (*cmd == '/' || *cmd == '?');
3991
3992 error:
3993 *ptr = cmd;
3994 return lnum;
3995 }
3996
3997 /*
3998 * Get flags from an Ex command argument.
3999 */
4000 static void
4001 get_flags(eap)
4002 exarg_T *eap;
4003 {
4004 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4005 {
4006 if (*eap->arg == 'l')
4007 eap->flags |= EXFLAG_LIST;
4008 else if (*eap->arg == 'p')
4009 eap->flags |= EXFLAG_PRINT;
4010 else
4011 eap->flags |= EXFLAG_NR;
4012 eap->arg = skipwhite(eap->arg + 1);
4013 }
4014 }
4015
4016 /*
4017 * Function called for command which is Not Implemented. NI!
4018 */
4019 void
4020 ex_ni(eap)
4021 exarg_T *eap;
4022 {
4023 if (!eap->skip)
4024 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4025 }
4026
4027 #ifdef HAVE_EX_SCRIPT_NI
4028 /*
4029 * Function called for script command which is Not Implemented. NI!
4030 * Skips over ":perl <<EOF" constructs.
4031 */
4032 static void
4033 ex_script_ni(eap)
4034 exarg_T *eap;
4035 {
4036 if (!eap->skip)
4037 ex_ni(eap);
4038 else
4039 vim_free(script_get(eap, eap->arg));
4040 }
4041 #endif
4042
4043 /*
4044 * Check range in Ex command for validity.
4045 * Return NULL when valid, error message when invalid.
4046 */
4047 static char_u *
4048 invalid_range(eap)
4049 exarg_T *eap;
4050 {
4051 if ( eap->line1 < 0
4052 || eap->line2 < 0
4053 || eap->line1 > eap->line2
4054 || ((eap->argt & RANGE)
4055 && !(eap->argt & NOTADR)
4056 && eap->line2 > curbuf->b_ml.ml_line_count
4057 #ifdef FEAT_DIFF
4058 + (eap->cmdidx == CMD_diffget)
4059 #endif
4060 ))
4061 return (char_u *)_(e_invrange);
4062 return NULL;
4063 }
4064
4065 /*
4066 * Correct the range for zero line number, if required.
4067 */
4068 static void
4069 correct_range(eap)
4070 exarg_T *eap;
4071 {
4072 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4073 {
4074 if (eap->line1 == 0)
4075 eap->line1 = 1;
4076 if (eap->line2 == 0)
4077 eap->line2 = 1;
4078 }
4079 }
4080
4081 #ifdef FEAT_QUICKFIX
4082 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4083
4084 /*
4085 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4086 * pattern. Otherwise return eap->arg.
4087 */
4088 static char_u *
4089 skip_grep_pat(eap)
4090 exarg_T *eap;
4091 {
4092 char_u *p = eap->arg;
4093
4094 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4095 || eap->cmdidx == CMD_vimgrepadd
4096 || eap->cmdidx == CMD_lvimgrepadd
4097 || grep_internal(eap->cmdidx)))
4098 {
4099 p = skip_vimgrep_pat(p, NULL, NULL);
4100 if (p == NULL)
4101 p = eap->arg;
4102 }
4103 return p;
4104 }
4105
4106 /*
4107 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4108 * in the command line, so that things like % get expanded.
4109 */
4110 static char_u *
4111 replace_makeprg(eap, p, cmdlinep)
4112 exarg_T *eap;
4113 char_u *p;
4114 char_u **cmdlinep;
4115 {
4116 char_u *new_cmdline;
4117 char_u *program;
4118 char_u *pos;
4119 char_u *ptr;
4120 int len;
4121 int i;
4122
4123 /*
4124 * Don't do it when ":vimgrep" is used for ":grep".
4125 */
4126 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4127 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4128 || eap->cmdidx == CMD_grepadd
4129 || eap->cmdidx == CMD_lgrepadd)
4130 && !grep_internal(eap->cmdidx))
4131 {
4132 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4133 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4134 {
4135 if (*curbuf->b_p_gp == NUL)
4136 program = p_gp;
4137 else
4138 program = curbuf->b_p_gp;
4139 }
4140 else
4141 {
4142 if (*curbuf->b_p_mp == NUL)
4143 program = p_mp;
4144 else
4145 program = curbuf->b_p_mp;
4146 }
4147
4148 p = skipwhite(p);
4149
4150 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4151 {
4152 /* replace $* by given arguments */
4153 i = 1;
4154 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4155 ++i;
4156 len = (int)STRLEN(p);
4157 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4158 if (new_cmdline == NULL)
4159 return NULL; /* out of memory */
4160 ptr = new_cmdline;
4161 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4162 {
4163 i = (int)(pos - program);
4164 STRNCPY(ptr, program, i);
4165 STRCPY(ptr += i, p);
4166 ptr += len;
4167 program = pos + 2;
4168 }
4169 STRCPY(ptr, program);
4170 }
4171 else
4172 {
4173 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4174 if (new_cmdline == NULL)
4175 return NULL; /* out of memory */
4176 STRCPY(new_cmdline, program);
4177 STRCAT(new_cmdline, " ");
4178 STRCAT(new_cmdline, p);
4179 }
4180 msg_make(p);
4181
4182 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4183 vim_free(*cmdlinep);
4184 *cmdlinep = new_cmdline;
4185 p = new_cmdline;
4186 }
4187 return p;
4188 }
4189 #endif
4190
4191 /*
4192 * Expand file name in Ex command argument.
4193 * Return FAIL for failure, OK otherwise.
4194 */
4195 int
4196 expand_filename(eap, cmdlinep, errormsgp)
4197 exarg_T *eap;
4198 char_u **cmdlinep;
4199 char_u **errormsgp;
4200 {
4201 int has_wildcards; /* need to expand wildcards */
4202 char_u *repl;
4203 int srclen;
4204 char_u *p;
4205 int n;
4206 int escaped;
4207
4208 #ifdef FEAT_QUICKFIX
4209 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4210 p = skip_grep_pat(eap);
4211 #else
4212 p = eap->arg;
4213 #endif
4214
4215 /*
4216 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4217 * the file name contains a wildcard it should not cause expanding.
4218 * (it will be expanded anyway if there is a wildcard before replacing).
4219 */
4220 has_wildcards = mch_has_wildcard(p);
4221 while (*p != NUL)
4222 {
4223 #ifdef FEAT_EVAL
4224 /* Skip over `=expr`, wildcards in it are not expanded. */
4225 if (p[0] == '`' && p[1] == '=')
4226 {
4227 p += 2;
4228 (void)skip_expr(&p);
4229 if (*p == '`')
4230 ++p;
4231 continue;
4232 }
4233 #endif
4234 /*
4235 * Quick check if this cannot be the start of a special string.
4236 * Also removes backslash before '%', '#' and '<'.
4237 */
4238 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4239 {
4240 ++p;
4241 continue;
4242 }
4243
4244 /*
4245 * Try to find a match at this position.
4246 */
4247 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4248 errormsgp, &escaped);
4249 if (*errormsgp != NULL) /* error detected */
4250 return FAIL;
4251 if (repl == NULL) /* no match found */
4252 {
4253 p += srclen;
4254 continue;
4255 }
4256
4257 /* Wildcards won't be expanded below, the replacement is taken
4258 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4259 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4260 {
4261 char_u *l = repl;
4262
4263 repl = expand_env_save(repl);
4264 vim_free(l);
4265 }
4266
4267 /* Need to escape white space et al. with a backslash.
4268 * Don't do this for:
4269 * - replacement that already has been escaped: "##"
4270 * - shell commands (may have to use quotes instead).
4271 * - non-unix systems when there is a single argument (spaces don't
4272 * separate arguments then).
4273 */
4274 if (!eap->usefilter
4275 && !escaped
4276 && eap->cmdidx != CMD_bang
4277 && eap->cmdidx != CMD_make
4278 && eap->cmdidx != CMD_lmake
4279 && eap->cmdidx != CMD_grep
4280 && eap->cmdidx != CMD_lgrep
4281 && eap->cmdidx != CMD_grepadd
4282 && eap->cmdidx != CMD_lgrepadd
4283 #ifndef UNIX
4284 && !(eap->argt & NOSPC)
4285 #endif
4286 )
4287 {
4288 char_u *l;
4289 #ifdef BACKSLASH_IN_FILENAME
4290 /* Don't escape a backslash here, because rem_backslash() doesn't
4291 * remove it later. */
4292 static char_u *nobslash = (char_u *)" \t\"|";
4293 # define ESCAPE_CHARS nobslash
4294 #else
4295 # define ESCAPE_CHARS escape_chars
4296 #endif
4297
4298 for (l = repl; *l; ++l)
4299 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4300 {
4301 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4302 if (l != NULL)
4303 {
4304 vim_free(repl);
4305 repl = l;
4306 }
4307 break;
4308 }
4309 }
4310
4311 /* For a shell command a '!' must be escaped. */
4312 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4313 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4314 {
4315 char_u *l;
4316
4317 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4318 if (l != NULL)
4319 {
4320 vim_free(repl);
4321 repl = l;
4322 /* For a sh-like shell escape "!" another time. */
4323 if (strstr((char *)p_sh, "sh") != NULL)
4324 {
4325 l = vim_strsave_escaped(repl, (char_u *)"!");
4326 if (l != NULL)
4327 {
4328 vim_free(repl);
4329 repl = l;
4330 }
4331 }
4332 }
4333 }
4334
4335 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4336 vim_free(repl);
4337 if (p == NULL)
4338 return FAIL;
4339 }
4340
4341 /*
4342 * One file argument: Expand wildcards.
4343 * Don't do this with ":r !command" or ":w !command".
4344 */
4345 if ((eap->argt & NOSPC) && !eap->usefilter)
4346 {
4347 /*
4348 * May do this twice:
4349 * 1. Replace environment variables.
4350 * 2. Replace any other wildcards, remove backslashes.
4351 */
4352 for (n = 1; n <= 2; ++n)
4353 {
4354 if (n == 2)
4355 {
4356 #ifdef UNIX
4357 /*
4358 * Only for Unix we check for more than one file name.
4359 * For other systems spaces are considered to be part
4360 * of the file name.
4361 * Only check here if there is no wildcard, otherwise
4362 * ExpandOne() will check for errors. This allows
4363 * ":e `ls ve*.c`" on Unix.
4364 */
4365 if (!has_wildcards)
4366 for (p = eap->arg; *p; ++p)
4367 {
4368 /* skip escaped characters */
4369 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4370 ++p;
4371 else if (vim_iswhite(*p))
4372 {
4373 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4374 return FAIL;
4375 }
4376 }
4377 #endif
4378
4379 /*
4380 * Halve the number of backslashes (this is Vi compatible).
4381 * For Unix and OS/2, when wildcards are expanded, this is
4382 * done by ExpandOne() below.
4383 */
4384 #if defined(UNIX) || defined(OS2)
4385 if (!has_wildcards)
4386 #endif
4387 backslash_halve(eap->arg);
4388 }
4389
4390 if (has_wildcards)
4391 {
4392 if (n == 1)
4393 {
4394 /*
4395 * First loop: May expand environment variables. This
4396 * can be done much faster with expand_env() than with
4397 * something else (e.g., calling a shell).
4398 * After expanding environment variables, check again
4399 * if there are still wildcards present.
4400 */
4401 if (vim_strchr(eap->arg, '$') != NULL
4402 || vim_strchr(eap->arg, '~') != NULL)
4403 {
4404 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4405 TRUE, TRUE, NULL);
4406 has_wildcards = mch_has_wildcard(NameBuff);
4407 p = NameBuff;
4408 }
4409 else
4410 p = NULL;
4411 }
4412 else /* n == 2 */
4413 {
4414 expand_T xpc;
4415
4416 ExpandInit(&xpc);
4417 xpc.xp_context = EXPAND_FILES;
4418 p = ExpandOne(&xpc, eap->arg, NULL,
4419 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4420 WILD_EXPAND_FREE);
4421 if (p == NULL)
4422 return FAIL;
4423 }
4424 if (p != NULL)
4425 {
4426 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4427 p, cmdlinep);
4428 if (n == 2) /* p came from ExpandOne() */
4429 vim_free(p);
4430 }
4431 }
4432 }
4433 }
4434 return OK;
4435 }
4436
4437 /*
4438 * Replace part of the command line, keeping eap->cmd, eap->arg and
4439 * eap->nextcmd correct.
4440 * "src" points to the part that is to be replaced, of length "srclen".
4441 * "repl" is the replacement string.
4442 * Returns a pointer to the character after the replaced string.
4443 * Returns NULL for failure.
4444 */
4445 static char_u *
4446 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4447 exarg_T *eap;
4448 char_u *src;
4449 int srclen;
4450 char_u *repl;
4451 char_u **cmdlinep;
4452 {
4453 int len;
4454 int i;
4455 char_u *new_cmdline;
4456
4457 /*
4458 * The new command line is build in new_cmdline[].
4459 * First allocate it.
4460 * Careful: a "+cmd" argument may have been NUL terminated.
4461 */
4462 len = (int)STRLEN(repl);
4463 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4464 if (eap->nextcmd != NULL)
4465 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4466 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4467 return NULL; /* out of memory! */
4468
4469 /*
4470 * Copy the stuff before the expanded part.
4471 * Copy the expanded stuff.
4472 * Copy what came after the expanded part.
4473 * Copy the next commands, if there are any.
4474 */
4475 i = (int)(src - *cmdlinep); /* length of part before match */
4476 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4477
4478 mch_memmove(new_cmdline + i, repl, (size_t)len);
4479 i += len; /* remember the end of the string */
4480 STRCPY(new_cmdline + i, src + srclen);
4481 src = new_cmdline + i; /* remember where to continue */
4482
4483 if (eap->nextcmd != NULL) /* append next command */
4484 {
4485 i = (int)STRLEN(new_cmdline) + 1;
4486 STRCPY(new_cmdline + i, eap->nextcmd);
4487 eap->nextcmd = new_cmdline + i;
4488 }
4489 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4490 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4491 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4492 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4493 vim_free(*cmdlinep);
4494 *cmdlinep = new_cmdline;
4495
4496 return src;
4497 }
4498
4499 /*
4500 * Check for '|' to separate commands and '"' to start comments.
4501 */
4502 void
4503 separate_nextcmd(eap)
4504 exarg_T *eap;
4505 {
4506 char_u *p;
4507
4508 #ifdef FEAT_QUICKFIX
4509 p = skip_grep_pat(eap);
4510 #else
4511 p = eap->arg;
4512 #endif
4513
4514 for ( ; *p; mb_ptr_adv(p))
4515 {
4516 if (*p == Ctrl_V)
4517 {
4518 if (eap->argt & (USECTRLV | XFILE))
4519 ++p; /* skip CTRL-V and next char */
4520 else
4521 /* remove CTRL-V and skip next char */
4522 mch_memmove(p, p + 1, STRLEN(p));
4523 if (*p == NUL) /* stop at NUL after CTRL-V */
4524 break;
4525 }
4526
4527 #ifdef FEAT_EVAL
4528 /* Skip over `=expr` when wildcards are expanded. */
4529 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4530 {
4531 p += 2;
4532 (void)skip_expr(&p);
4533 }
4534 #endif
4535
4536 /* Check for '"': start of comment or '|': next command */
4537 /* :@" and :*" do not start a comment!
4538 * :redir @" doesn't either. */
4539 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4540 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4541 || p != eap->arg)
4542 && (eap->cmdidx != CMD_redir
4543 || p != eap->arg + 1 || p[-1] != '@'))
4544 || *p == '|' || *p == '\n')
4545 {
4546 /*
4547 * We remove the '\' before the '|', unless USECTRLV is used
4548 * AND 'b' is present in 'cpoptions'.
4549 */
4550 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4551 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4552 {
4553 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4554 --p;
4555 }
4556 else
4557 {
4558 eap->nextcmd = check_nextcmd(p);
4559 *p = NUL;
4560 break;
4561 }
4562 }
4563 }
4564
4565 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4566 del_trailing_spaces(eap->arg);
4567 }
4568
4569 /*
4570 * get + command from ex argument
4571 */
4572 static char_u *
4573 getargcmd(argp)
4574 char_u **argp;
4575 {
4576 char_u *arg = *argp;
4577 char_u *command = NULL;
4578
4579 if (*arg == '+') /* +[command] */
4580 {
4581 ++arg;
4582 if (vim_isspace(*arg))
4583 command = dollar_command;
4584 else
4585 {
4586 command = arg;
4587 arg = skip_cmd_arg(command, TRUE);
4588 if (*arg != NUL)
4589 *arg++ = NUL; /* terminate command with NUL */
4590 }
4591
4592 arg = skipwhite(arg); /* skip over spaces */
4593 *argp = arg;
4594 }
4595 return command;
4596 }
4597
4598 /*
4599 * Find end of "+command" argument. Skip over "\ " and "\\".
4600 */
4601 static char_u *
4602 skip_cmd_arg(p, rembs)
4603 char_u *p;
4604 int rembs; /* TRUE to halve the number of backslashes */
4605 {
4606 while (*p && !vim_isspace(*p))
4607 {
4608 if (*p == '\\' && p[1] != NUL)
4609 {
4610 if (rembs)
4611 mch_memmove(p, p + 1, STRLEN(p));
4612 else
4613 ++p;
4614 }
4615 mb_ptr_adv(p);
4616 }
4617 return p;
4618 }
4619
4620 /*
4621 * Get "++opt=arg" argument.
4622 * Return FAIL or OK.
4623 */
4624 static int
4625 getargopt(eap)
4626 exarg_T *eap;
4627 {
4628 char_u *arg = eap->arg + 2;
4629 int *pp = NULL;
4630 #ifdef FEAT_MBYTE
4631 char_u *p;
4632 #endif
4633
4634 /* ":edit ++[no]bin[ary] file" */
4635 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4636 {
4637 if (*arg == 'n')
4638 {
4639 arg += 2;
4640 eap->force_bin = FORCE_NOBIN;
4641 }
4642 else
4643 eap->force_bin = FORCE_BIN;
4644 if (!checkforcmd(&arg, "binary", 3))
4645 return FAIL;
4646 eap->arg = skipwhite(arg);
4647 return OK;
4648 }
4649
4650 /* ":read ++edit file" */
4651 if (STRNCMP(arg, "edit", 4) == 0)
4652 {
4653 eap->read_edit = TRUE;
4654 eap->arg = skipwhite(arg + 4);
4655 return OK;
4656 }
4657
4658 if (STRNCMP(arg, "ff", 2) == 0)
4659 {
4660 arg += 2;
4661 pp = &eap->force_ff;
4662 }
4663 else if (STRNCMP(arg, "fileformat", 10) == 0)
4664 {
4665 arg += 10;
4666 pp = &eap->force_ff;
4667 }
4668 #ifdef FEAT_MBYTE
4669 else if (STRNCMP(arg, "enc", 3) == 0)
4670 {
4671 arg += 3;
4672 pp = &eap->force_enc;
4673 }
4674 else if (STRNCMP(arg, "encoding", 8) == 0)
4675 {
4676 arg += 8;
4677 pp = &eap->force_enc;
4678 }
4679 else if (STRNCMP(arg, "bad", 3) == 0)
4680 {
4681 arg += 3;
4682 pp = &eap->bad_char;
4683 }
4684 #endif
4685
4686 if (pp == NULL || *arg != '=')
4687 return FAIL;
4688
4689 ++arg;
4690 *pp = (int)(arg - eap->cmd);
4691 arg = skip_cmd_arg(arg, FALSE);
4692 eap->arg = skipwhite(arg);
4693 *arg = NUL;
4694
4695 #ifdef FEAT_MBYTE
4696 if (pp == &eap->force_ff)
4697 {
4698 #endif
4699 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4700 return FAIL;
4701 #ifdef FEAT_MBYTE
4702 }
4703 else if (pp == &eap->force_enc)
4704 {
4705 /* Make 'fileencoding' lower case. */
4706 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4707 *p = TOLOWER_ASC(*p);
4708 }
4709 else
4710 {
4711 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4712 * "drop". */
4713 p = eap->cmd + eap->bad_char;
4714 if (STRICMP(p, "keep") == 0)
4715 eap->bad_char = BAD_KEEP;
4716 else if (STRICMP(p, "drop") == 0)
4717 eap->bad_char = BAD_DROP;
4718 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4719 eap->bad_char = *p;
4720 else
4721 return FAIL;
4722 }
4723 #endif
4724
4725 return OK;
4726 }
4727
4728 /*
4729 * ":abbreviate" and friends.
4730 */
4731 static void
4732 ex_abbreviate(eap)
4733 exarg_T *eap;
4734 {
4735 do_exmap(eap, TRUE); /* almost the same as mapping */
4736 }
4737
4738 /*
4739 * ":map" and friends.
4740 */
4741 static void
4742 ex_map(eap)
4743 exarg_T *eap;
4744 {
4745 /*
4746 * If we are sourcing .exrc or .vimrc in current directory we
4747 * print the mappings for security reasons.
4748 */
4749 if (secure)
4750 {
4751 secure = 2;
4752 msg_outtrans(eap->cmd);
4753 msg_putchar('\n');
4754 }
4755 do_exmap(eap, FALSE);
4756 }
4757
4758 /*
4759 * ":unmap" and friends.
4760 */
4761 static void
4762 ex_unmap(eap)
4763 exarg_T *eap;
4764 {
4765 do_exmap(eap, FALSE);
4766 }
4767
4768 /*
4769 * ":mapclear" and friends.
4770 */
4771 static void
4772 ex_mapclear(eap)
4773 exarg_T *eap;
4774 {
4775 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4776 }
4777
4778 /*
4779 * ":abclear" and friends.
4780 */
4781 static void
4782 ex_abclear(eap)
4783 exarg_T *eap;
4784 {
4785 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4786 }
4787
4788 #ifdef FEAT_AUTOCMD
4789 static void
4790 ex_autocmd(eap)
4791 exarg_T *eap;
4792 {
4793 /*
4794 * Disallow auto commands from .exrc and .vimrc in current
4795 * directory for security reasons.
4796 */
4797 if (secure)
4798 {
4799 secure = 2;
4800 eap->errmsg = e_curdir;
4801 }
4802 else if (eap->cmdidx == CMD_autocmd)
4803 do_autocmd(eap->arg, eap->forceit);
4804 else
4805 do_augroup(eap->arg, eap->forceit);
4806 }
4807
4808 /*
4809 * ":doautocmd": Apply the automatic commands to the current buffer.
4810 */
4811 static void
4812 ex_doautocmd(eap)
4813 exarg_T *eap;
4814 {
4815 (void)do_doautocmd(eap->arg, TRUE);
4816 do_modelines(0);
4817 }
4818 #endif
4819
4820 #ifdef FEAT_LISTCMDS
4821 /*
4822 * :[N]bunload[!] [N] [bufname] unload buffer
4823 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4824 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4825 */
4826 static void
4827 ex_bunload(eap)
4828 exarg_T *eap;
4829 {
4830 eap->errmsg = do_bufdel(
4831 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4832 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4833 : DOBUF_UNLOAD, eap->arg,
4834 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4835 }
4836
4837 /*
4838 * :[N]buffer [N] to buffer N
4839 * :[N]sbuffer [N] to buffer N
4840 */
4841 static void
4842 ex_buffer(eap)
4843 exarg_T *eap;
4844 {
4845 if (*eap->arg)
4846 eap->errmsg = e_trailing;
4847 else
4848 {
4849 if (eap->addr_count == 0) /* default is current buffer */
4850 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4851 else
4852 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4853 }
4854 }
4855
4856 /*
4857 * :[N]bmodified [N] to next mod. buffer
4858 * :[N]sbmodified [N] to next mod. buffer
4859 */
4860 static void
4861 ex_bmodified(eap)
4862 exarg_T *eap;
4863 {
4864 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4865 }
4866
4867 /*
4868 * :[N]bnext [N] to next buffer
4869 * :[N]sbnext [N] split and to next buffer
4870 */
4871 static void
4872 ex_bnext(eap)
4873 exarg_T *eap;
4874 {
4875 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4876 }
4877
4878 /*
4879 * :[N]bNext [N] to previous buffer
4880 * :[N]bprevious [N] to previous buffer
4881 * :[N]sbNext [N] split and to previous buffer
4882 * :[N]sbprevious [N] split and to previous buffer
4883 */
4884 static void
4885 ex_bprevious(eap)
4886 exarg_T *eap;
4887 {
4888 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4889 }
4890
4891 /*
4892 * :brewind to first buffer
4893 * :bfirst to first buffer
4894 * :sbrewind split and to first buffer
4895 * :sbfirst split and to first buffer
4896 */
4897 static void
4898 ex_brewind(eap)
4899 exarg_T *eap;
4900 {
4901 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4902 }
4903
4904 /*
4905 * :blast to last buffer
4906 * :sblast split and to last buffer
4907 */
4908 static void
4909 ex_blast(eap)
4910 exarg_T *eap;
4911 {
4912 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4913 }
4914 #endif
4915
4916 int
4917 ends_excmd(c)
4918 int c;
4919 {
4920 return (c == NUL || c == '|' || c == '"' || c == '\n');
4921 }
4922
4923 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4924 || defined(PROTO)
4925 /*
4926 * Return the next command, after the first '|' or '\n'.
4927 * Return NULL if not found.
4928 */
4929 char_u *
4930 find_nextcmd(p)
4931 char_u *p;
4932 {
4933 while (*p != '|' && *p != '\n')
4934 {
4935 if (*p == NUL)
4936 return NULL;
4937 ++p;
4938 }
4939 return (p + 1);
4940 }
4941 #endif
4942
4943 /*
4944 * Check if *p is a separator between Ex commands.
4945 * Return NULL if it isn't, (p + 1) if it is.
4946 */
4947 char_u *
4948 check_nextcmd(p)
4949 char_u *p;
4950 {
4951 p = skipwhite(p);
4952 if (*p == '|' || *p == '\n')
4953 return (p + 1);
4954 else
4955 return NULL;
4956 }
4957
4958 /*
4959 * - if there are more files to edit
4960 * - and this is the last window
4961 * - and forceit not used
4962 * - and not repeated twice on a row
4963 * return FAIL and give error message if 'message' TRUE
4964 * return OK otherwise
4965 */
4966 static int
4967 check_more(message, forceit)
4968 int message; /* when FALSE check only, no messages */
4969 int forceit;
4970 {
4971 int n = ARGCOUNT - curwin->w_arg_idx - 1;
4972
4973 if (!forceit && only_one_window()
4974 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
4975 {
4976 if (message)
4977 {
4978 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
4979 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
4980 {
4981 char_u buff[IOSIZE];
4982
4983 if (n == 1)
4984 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
4985 else
4986 vim_snprintf((char *)buff, IOSIZE,
4987 _("%d more files to edit. Quit anyway?"), n);
4988 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
4989 return OK;
4990 return FAIL;
4991 }
4992 #endif
4993 if (n == 1)
4994 EMSG(_("E173: 1 more file to edit"));
4995 else
4996 EMSGN(_("E173: %ld more files to edit"), n);
4997 quitmore = 2; /* next try to quit is allowed */
4998 }
4999 return FAIL;
5000 }
5001 return OK;
5002 }
5003
5004 #ifdef FEAT_CMDL_COMPL
5005 /*
5006 * Function given to ExpandGeneric() to obtain the list of command names.
5007 */
5008 /*ARGSUSED*/
5009 char_u *
5010 get_command_name(xp, idx)
5011 expand_T *xp;
5012 int idx;
5013 {
5014 if (idx >= (int)CMD_SIZE)
5015 # ifdef FEAT_USR_CMDS
5016 return get_user_command_name(idx);
5017 # else
5018 return NULL;
5019 # endif
5020 return cmdnames[idx].cmd_name;
5021 }
5022 #endif
5023
5024 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5025 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));
5026 static void uc_list __ARGS((char_u *name, size_t name_len));
5027 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5028 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5029 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));
5030
5031 static int
5032 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5033 char_u *name;
5034 size_t name_len;
5035 char_u *rep;
5036 long argt;
5037 long def;
5038 int flags;
5039 int compl;
5040 char_u *compl_arg;
5041 int force;
5042 {
5043 ucmd_T *cmd = NULL;
5044 char_u *p;
5045 int i;
5046 int cmp = 1;
5047 char_u *rep_buf = NULL;
5048 garray_T *gap;
5049
5050 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5051 if (rep_buf == NULL)
5052 {
5053 /* Can't replace termcodes - try using the string as is */
5054 rep_buf = vim_strsave(rep);
5055
5056 /* Give up if out of memory */
5057 if (rep_buf == NULL)
5058 return FAIL;
5059 }
5060
5061 /* get address of growarray: global or in curbuf */
5062 if (flags & UC_BUFFER)
5063 {
5064 gap = &curbuf->b_ucmds;
5065 if (gap->ga_itemsize == 0)
5066 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5067 }
5068 else
5069 gap = &ucmds;
5070
5071 /* Search for the command in the already defined commands. */
5072 for (i = 0; i < gap->ga_len; ++i)
5073 {
5074 size_t len;
5075
5076 cmd = USER_CMD_GA(gap, i);
5077 len = STRLEN(cmd->uc_name);
5078 cmp = STRNCMP(name, cmd->uc_name, name_len);
5079 if (cmp == 0)
5080 {
5081 if (name_len < len)
5082 cmp = -1;
5083 else if (name_len > len)
5084 cmp = 1;
5085 }
5086
5087 if (cmp == 0)
5088 {
5089 if (!force)
5090 {
5091 EMSG(_("E174: Command already exists: add ! to replace it"));
5092 goto fail;
5093 }
5094
5095 vim_free(cmd->uc_rep);
5096 cmd->uc_rep = 0;
5097 break;
5098 }
5099
5100 /* Stop as soon as we pass the name to add */
5101 if (cmp < 0)
5102 break;
5103 }
5104
5105 /* Extend the array unless we're replacing an existing command */
5106 if (cmp != 0)
5107 {
5108 if (ga_grow(gap, 1) != OK)
5109 goto fail;
5110 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5111 goto fail;
5112
5113 cmd = USER_CMD_GA(gap, i);
5114 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5115
5116 ++gap->ga_len;
5117
5118 cmd->uc_name = p;
5119 }
5120
5121 cmd->uc_rep = rep_buf;
5122 cmd->uc_argt = argt;
5123 cmd->uc_def = def;
5124 cmd->uc_compl = compl;
5125 #ifdef FEAT_EVAL
5126 cmd->uc_scriptID = current_SID;
5127 # ifdef FEAT_CMDL_COMPL
5128 cmd->uc_compl_arg = compl_arg;
5129 # endif
5130 #endif
5131
5132 return OK;
5133
5134 fail:
5135 vim_free(rep_buf);
5136 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5137 vim_free(compl_arg);
5138 #endif
5139 return FAIL;
5140 }
5141
5142 /*
5143 * List of names for completion for ":command" with the EXPAND_ flag.
5144 * Must be alphabetical for completion.
5145 */
5146 static struct
5147 {
5148 int expand;
5149 char *name;
5150 } command_complete[] =
5151 {
5152 {EXPAND_AUGROUP, "augroup"},
5153 {EXPAND_BUFFERS, "buffer"},
5154 {EXPAND_COMMANDS, "command"},
5155 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5156 {EXPAND_USER_DEFINED, "custom"},
5157 {EXPAND_USER_LIST, "customlist"},
5158 #endif
5159 {EXPAND_DIRECTORIES, "dir"},
5160 {EXPAND_ENV_VARS, "environment"},
5161 {EXPAND_EVENTS, "event"},
5162 {EXPAND_EXPRESSION, "expression"},
5163 {EXPAND_FILES, "file"},
5164 {EXPAND_FUNCTIONS, "function"},
5165 {EXPAND_HELP, "help"},
5166 {EXPAND_HIGHLIGHT, "highlight"},
5167 {EXPAND_MAPPINGS, "mapping"},
5168 {EXPAND_MENUS, "menu"},
5169 {EXPAND_SETTINGS, "option"},
5170 {EXPAND_SHELLCMD, "shellcmd"},
5171 {EXPAND_TAGS, "tag"},
5172 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5173 {EXPAND_USER_VARS, "var"},
5174 {0, NULL}
5175 };
5176
5177 static void
5178 uc_list(name, name_len)
5179 char_u *name;
5180 size_t name_len;
5181 {
5182 int i, j;
5183 int found = FALSE;
5184 ucmd_T *cmd;
5185 int len;
5186 long a;
5187 garray_T *gap;
5188
5189 gap = &curbuf->b_ucmds;
5190 for (;;)
5191 {
5192 for (i = 0; i < gap->ga_len; ++i)
5193 {
5194 cmd = USER_CMD_GA(gap, i);
5195 a = (long)cmd->uc_argt;
5196
5197 /* Skip commands which don't match the requested prefix */
5198 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5199 continue;
5200
5201 /* Put out the title first time */
5202 if (!found)
5203 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5204 found = TRUE;
5205 msg_putchar('\n');
5206 if (got_int)
5207 break;
5208
5209 /* Special cases */
5210 msg_putchar(a & BANG ? '!' : ' ');
5211 msg_putchar(a & REGSTR ? '"' : ' ');
5212 msg_putchar(gap != &ucmds ? 'b' : ' ');
5213 msg_putchar(' ');
5214
5215 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5216 len = (int)STRLEN(cmd->uc_name) + 4;
5217
5218 do {
5219 msg_putchar(' ');
5220 ++len;
5221 } while (len < 16);
5222
5223 len = 0;
5224
5225 /* Arguments */
5226 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5227 {
5228 case 0: IObuff[len++] = '0'; break;
5229 case (EXTRA): IObuff[len++] = '*'; break;
5230 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5231 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5232 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5233 }
5234
5235 do {
5236 IObuff[len++] = ' ';
5237 } while (len < 5);
5238
5239 /* Range */
5240 if (a & (RANGE|COUNT))
5241 {
5242 if (a & COUNT)
5243 {
5244 /* -count=N */
5245 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5246 len += (int)STRLEN(IObuff + len);
5247 }
5248 else if (a & DFLALL)
5249 IObuff[len++] = '%';
5250 else if (cmd->uc_def >= 0)
5251 {
5252 /* -range=N */
5253 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5254 len += (int)STRLEN(IObuff + len);
5255 }
5256 else
5257 IObuff[len++] = '.';
5258 }
5259
5260 do {
5261 IObuff[len++] = ' ';
5262 } while (len < 11);
5263
5264 /* Completion */
5265 for (j = 0; command_complete[j].expand != 0; ++j)
5266 if (command_complete[j].expand == cmd->uc_compl)
5267 {
5268 STRCPY(IObuff + len, command_complete[j].name);
5269 len += (int)STRLEN(IObuff + len);
5270 break;
5271 }
5272
5273 do {
5274 IObuff[len++] = ' ';
5275 } while (len < 21);
5276
5277 IObuff[len] = '\0';
5278 msg_outtrans(IObuff);
5279
5280 msg_outtrans_special(cmd->uc_rep, FALSE);
5281 #ifdef FEAT_EVAL
5282 if (p_verbose > 0)
5283 last_set_msg(cmd->uc_scriptID);
5284 #endif
5285 out_flush();
5286 ui_breakcheck();
5287 if (got_int)
5288 break;
5289 }
5290 if (gap == &ucmds || i < gap->ga_len)
5291 break;
5292 gap = &ucmds;
5293 }
5294
5295 if (!found)
5296 MSG(_("No user-defined commands found"));
5297 }
5298
5299 static char_u *
5300 uc_fun_cmd()
5301 {
5302 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5303 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5304 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5305 0xb9, 0x7f, 0};
5306 int i;
5307
5308 for (i = 0; fcmd[i]; ++i)
5309 IObuff[i] = fcmd[i] - 0x40;
5310 IObuff[i] = 0;
5311 return IObuff;
5312 }
5313
5314 static int
5315 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5316 char_u *attr;
5317 size_t len;
5318 long *argt;
5319 long *def;
5320 int *flags;
5321 int *compl;
5322 char_u **compl_arg;
5323 {
5324 char_u *p;
5325
5326 if (len == 0)
5327 {
5328 EMSG(_("E175: No attribute specified"));
5329 return FAIL;
5330 }
5331
5332 /* First, try the simple attributes (no arguments) */
5333 if (STRNICMP(attr, "bang", len) == 0)
5334 *argt |= BANG;
5335 else if (STRNICMP(attr, "buffer", len) == 0)
5336 *flags |= UC_BUFFER;
5337 else if (STRNICMP(attr, "register", len) == 0)
5338 *argt |= REGSTR;
5339 else if (STRNICMP(attr, "bar", len) == 0)
5340 *argt |= TRLBAR;
5341 else
5342 {
5343 int i;
5344 char_u *val = NULL;
5345 size_t vallen = 0;
5346 size_t attrlen = len;
5347
5348 /* Look for the attribute name - which is the part before any '=' */
5349 for (i = 0; i < (int)len; ++i)
5350 {
5351 if (attr[i] == '=')
5352 {
5353 val = &attr[i + 1];
5354 vallen = len - i - 1;
5355 attrlen = i;
5356 break;
5357 }
5358 }
5359
5360 if (STRNICMP(attr, "nargs", attrlen) == 0)
5361 {
5362 if (vallen == 1)
5363 {
5364 if (*val == '0')
5365 /* Do nothing - this is the default */;
5366 else if (*val == '1')
5367 *argt |= (EXTRA | NOSPC | NEEDARG);
5368 else if (*val == '*')
5369 *argt |= EXTRA;
5370 else if (*val == '?')
5371 *argt |= (EXTRA | NOSPC);
5372 else if (*val == '+')
5373 *argt |= (EXTRA | NEEDARG);
5374 else
5375 goto wrong_nargs;
5376 }
5377 else
5378 {
5379 wrong_nargs:
5380 EMSG(_("E176: Invalid number of arguments"));
5381 return FAIL;
5382 }
5383 }
5384 else if (STRNICMP(attr, "range", attrlen) == 0)
5385 {
5386 *argt |= RANGE;
5387 if (vallen == 1 && *val == '%')
5388 *argt |= DFLALL;
5389 else if (val != NULL)
5390 {
5391 p = val;
5392 if (*def >= 0)
5393 {
5394 two_count:
5395 EMSG(_("E177: Count cannot be specified twice"));
5396 return FAIL;
5397 }
5398
5399 *def = getdigits(&p);
5400 *argt |= (ZEROR | NOTADR);
5401
5402 if (p != val + vallen || vallen == 0)
5403 {
5404 invalid_count:
5405 EMSG(_("E178: Invalid default value for count"));
5406 return FAIL;
5407 }
5408 }
5409 }
5410 else if (STRNICMP(attr, "count", attrlen) == 0)
5411 {
5412 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5413
5414 if (val != NULL)
5415 {
5416 p = val;
5417 if (*def >= 0)
5418 goto two_count;
5419
5420 *def = getdigits(&p);
5421
5422 if (p != val + vallen)
5423 goto invalid_count;
5424 }
5425
5426 if (*def < 0)
5427 *def = 0;
5428 }
5429 else if (STRNICMP(attr, "complete", attrlen) == 0)
5430 {
5431 if (val == NULL)
5432 {
5433 EMSG(_("E179: argument required for -complete"));
5434 return FAIL;
5435 }
5436
5437 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5438 == FAIL)
5439 return FAIL;
5440 }
5441 else
5442 {
5443 char_u ch = attr[len];
5444 attr[len] = '\0';
5445 EMSG2(_("E181: Invalid attribute: %s"), attr);
5446 attr[len] = ch;
5447 return FAIL;
5448 }
5449 }
5450
5451 return OK;
5452 }
5453
5454 static void
5455 ex_command(eap)
5456 exarg_T *eap;
5457 {
5458 char_u *name;
5459 char_u *end;
5460 char_u *p;
5461 long argt = 0;
5462 long def = -1;
5463 int flags = 0;
5464 int compl = EXPAND_NOTHING;
5465 char_u *compl_arg = NULL;
5466 int has_attr = (eap->arg[0] == '-');
5467
5468 p = eap->arg;
5469
5470 /* Check for attributes */
5471 while (*p == '-')
5472 {
5473 ++p;
5474 end = skiptowhite(p);
5475 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5476 == FAIL)
5477 return;
5478 p = skipwhite(end);
5479 }
5480
5481 /* Get the name (if any) and skip to the following argument */
5482 name = p;
5483 if (ASCII_ISALPHA(*p))
5484 while (ASCII_ISALNUM(*p))
5485 ++p;
5486 if (!ends_excmd(*p) && !vim_iswhite(*p))
5487 {
5488 EMSG(_("E182: Invalid command name"));
5489 return;
5490 }
5491 end = p;
5492
5493 /* If there is nothing after the name, and no attributes were specified,
5494 * we are listing commands
5495 */
5496 p = skipwhite(end);
5497 if (!has_attr && ends_excmd(*p))
5498 {
5499 uc_list(name, end - name);
5500 }
5501 else if (!ASCII_ISUPPER(*name))
5502 {
5503 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5504 return;
5505 }
5506 else
5507 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5508 eap->forceit);
5509 }
5510
5511 /*
5512 * ":comclear"
5513 * Clear all user commands, global and for current buffer.
5514 */
5515 /*ARGSUSED*/
5516 void
5517 ex_comclear(eap)
5518 exarg_T *eap;
5519 {
5520 uc_clear(&ucmds);
5521 uc_clear(&curbuf->b_ucmds);
5522 }
5523
5524 /*
5525 * Clear all user commands for "gap".
5526 */
5527 void
5528 uc_clear(gap)
5529 garray_T *gap;
5530 {
5531 int i;
5532 ucmd_T *cmd;
5533
5534 for (i = 0; i < gap->ga_len; ++i)
5535 {
5536 cmd = USER_CMD_GA(gap, i);
5537 vim_free(cmd->uc_name);
5538 vim_free(cmd->uc_rep);
5539 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5540 vim_free(cmd->uc_compl_arg);
5541 # endif
5542 }
5543 ga_clear(gap);
5544 }
5545
5546 static void
5547 ex_delcommand(eap)
5548 exarg_T *eap;
5549 {
5550 int i = 0;
5551 ucmd_T *cmd = NULL;
5552 int cmp = -1;
5553 garray_T *gap;
5554
5555 gap = &curbuf->b_ucmds;
5556 for (;;)
5557 {
5558 for (i = 0; i < gap->ga_len; ++i)
5559 {
5560 cmd = USER_CMD_GA(gap, i);
5561 cmp = STRCMP(eap->arg, cmd->uc_name);
5562 if (cmp <= 0)
5563 break;
5564 }
5565 if (gap == &ucmds || cmp == 0)
5566 break;
5567 gap = &ucmds;
5568 }
5569
5570 if (cmp != 0)
5571 {
5572 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5573 return;
5574 }
5575
5576 vim_free(cmd->uc_name);
5577 vim_free(cmd->uc_rep);
5578 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5579 vim_free(cmd->uc_compl_arg);
5580 # endif
5581
5582 --gap->ga_len;
5583
5584 if (i < gap->ga_len)
5585 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5586 }
5587
5588 /*
5589 * split and quote args for <f-args>
5590 */
5591 static char_u *
5592 uc_split_args(arg, lenp)
5593 char_u *arg;
5594 size_t *lenp;
5595 {
5596 char_u *buf;
5597 char_u *p;
5598 char_u *q;
5599 int len;
5600
5601 /* Precalculate length */
5602 p = arg;
5603 len = 2; /* Initial and final quotes */
5604
5605 while (*p)
5606 {
5607 if (p[0] == '\\' && p[1] == '\\')
5608 {
5609 len += 2;
5610 p += 2;
5611 }
5612 else if (p[0] == '\\' && vim_iswhite(p[1]))
5613 {
5614 len += 1;
5615 p += 2;
5616 }
5617 else if (*p == '\\' || *p == '"')
5618 {
5619 len += 2;
5620 p += 1;
5621 }
5622 else if (vim_iswhite(*p))
5623 {
5624 p = skipwhite(p);
5625 if (*p == NUL)
5626 break;
5627 len += 3; /* "," */
5628 }
5629 else
5630 {
5631 ++len;
5632 ++p;
5633 }
5634 }
5635
5636 buf = alloc(len + 1);
5637 if (buf == NULL)
5638 {
5639 *lenp = 0;
5640 return buf;
5641 }
5642
5643 p = arg;
5644 q = buf;
5645 *q++ = '"';
5646 while (*p)
5647 {
5648 if (p[0] == '\\' && p[1] == '\\')
5649 {
5650 *q++ = '\\';
5651 *q++ = '\\';
5652 p += 2;
5653 }
5654 else if (p[0] == '\\' && vim_iswhite(p[1]))
5655 {
5656 *q++ = p[1];
5657 p += 2;
5658 }
5659 else if (*p == '\\' || *p == '"')
5660 {
5661 *q++ = '\\';
5662 *q++ = *p++;
5663 }
5664 else if (vim_iswhite(*p))
5665 {
5666 p = skipwhite(p);
5667 if (*p == NUL)
5668 break;
5669 *q++ = '"';
5670 *q++ = ',';
5671 *q++ = '"';
5672 }
5673 else
5674 {
5675 *q++ = *p++;
5676 }
5677 }
5678 *q++ = '"';
5679 *q = 0;
5680
5681 *lenp = len;
5682 return buf;
5683 }
5684
5685 /*
5686 * Check for a <> code in a user command.
5687 * "code" points to the '<'. "len" the length of the <> (inclusive).
5688 * "buf" is where the result is to be added.
5689 * "split_buf" points to a buffer used for splitting, caller should free it.
5690 * "split_len" is the length of what "split_buf" contains.
5691 * Returns the length of the replacement, which has been added to "buf".
5692 * Returns -1 if there was no match, and only the "<" has been copied.
5693 */
5694 static size_t
5695 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5696 char_u *code;
5697 size_t len;
5698 char_u *buf;
5699 ucmd_T *cmd; /* the user command we're expanding */
5700 exarg_T *eap; /* ex arguments */
5701 char_u **split_buf;
5702 size_t *split_len;
5703 {
5704 size_t result = 0;
5705 char_u *p = code + 1;
5706 size_t l = len - 2;
5707 int quote = 0;
5708 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5709 ct_LT, ct_NONE } type = ct_NONE;
5710
5711 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5712 {
5713 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5714 p += 2;
5715 l -= 2;
5716 }
5717
5718 ++l;
5719 if (l <= 1)
5720 type = ct_NONE;
5721 else if (STRNICMP(p, "args>", l) == 0)
5722 type = ct_ARGS;
5723 else if (STRNICMP(p, "bang>", l) == 0)
5724 type = ct_BANG;
5725 else if (STRNICMP(p, "count>", l) == 0)
5726 type = ct_COUNT;
5727 else if (STRNICMP(p, "line1>", l) == 0)
5728 type = ct_LINE1;
5729 else if (STRNICMP(p, "line2>", l) == 0)
5730 type = ct_LINE2;
5731 else if (STRNICMP(p, "lt>", l) == 0)
5732 type = ct_LT;
5733 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5734 type = ct_REGISTER;
5735
5736 switch (type)
5737 {
5738 case ct_ARGS:
5739 /* Simple case first */
5740 if (*eap->arg == NUL)
5741 {
5742 if (quote == 1)
5743 {
5744 result = 2;
5745 if (buf != NULL)
5746 STRCPY(buf, "''");
5747 }
5748 else
5749 result = 0;
5750 break;
5751 }
5752
5753 /* When specified there is a single argument don't split it.
5754 * Works for ":Cmd %" when % is "a b c". */
5755 if ((eap->argt & NOSPC) && quote == 2)
5756 quote = 1;
5757
5758 switch (quote)
5759 {
5760 case 0: /* No quoting, no splitting */
5761 result = STRLEN(eap->arg);
5762 if (buf != NULL)
5763 STRCPY(buf, eap->arg);
5764 break;
5765 case 1: /* Quote, but don't split */
5766 result = STRLEN(eap->arg) + 2;
5767 for (p = eap->arg; *p; ++p)
5768 {
5769 if (*p == '\\' || *p == '"')
5770 ++result;
5771 }
5772
5773 if (buf != NULL)
5774 {
5775 *buf++ = '"';
5776 for (p = eap->arg; *p; ++p)
5777 {
5778 if (*p == '\\' || *p == '"')
5779 *buf++ = '\\';
5780 *buf++ = *p;
5781 }
5782 *buf = '"';
5783 }
5784
5785 break;
5786 case 2: /* Quote and split (<f-args>) */
5787 /* This is hard, so only do it once, and cache the result */
5788 if (*split_buf == NULL)
5789 *split_buf = uc_split_args(eap->arg, split_len);
5790
5791 result = *split_len;
5792 if (buf != NULL && result != 0)
5793 STRCPY(buf, *split_buf);
5794
5795 break;
5796 }
5797 break;
5798
5799 case ct_BANG:
5800 result = eap->forceit ? 1 : 0;
5801 if (quote)
5802 result += 2;
5803 if (buf != NULL)
5804 {
5805 if (quote)
5806 *buf++ = '"';
5807 if (eap->forceit)
5808 *buf++ = '!';
5809 if (quote)
5810 *buf = '"';
5811 }
5812 break;
5813
5814 case ct_LINE1:
5815 case ct_LINE2:
5816 case ct_COUNT:
5817 {
5818 char num_buf[20];
5819 long num = (type == ct_LINE1) ? eap->line1 :
5820 (type == ct_LINE2) ? eap->line2 :
5821 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5822 size_t num_len;
5823
5824 sprintf(num_buf, "%ld", num);
5825 num_len = STRLEN(num_buf);
5826 result = num_len;
5827
5828 if (quote)
5829 result += 2;
5830
5831 if (buf != NULL)
5832 {
5833 if (quote)
5834 *buf++ = '"';
5835 STRCPY(buf, num_buf);
5836 buf += num_len;
5837 if (quote)
5838 *buf = '"';
5839 }
5840
5841 break;
5842 }
5843
5844 case ct_REGISTER:
5845 result = eap->regname ? 1 : 0;
5846 if (quote)
5847 result += 2;
5848 if (buf != NULL)
5849 {
5850 if (quote)
5851 *buf++ = '\'';
5852 if (eap->regname)
5853 *buf++ = eap->regname;
5854 if (quote)
5855 *buf = '\'';
5856 }
5857 break;
5858
5859 case ct_LT:
5860 result = 1;
5861 if (buf != NULL)
5862 *buf = '<';
5863 break;
5864
5865 default:
5866 /* Not recognized: just copy the '<' and return -1. */
5867 result = (size_t)-1;
5868 if (buf != NULL)
5869 *buf = '<';
5870 break;
5871 }
5872
5873 return result;
5874 }
5875
5876 static void
5877 do_ucmd(eap)
5878 exarg_T *eap;
5879 {
5880 char_u *buf;
5881 char_u *p;
5882 char_u *q;
5883
5884 char_u *start;
5885 char_u *end;
5886 size_t len, totlen;
5887
5888 size_t split_len = 0;
5889 char_u *split_buf = NULL;
5890 ucmd_T *cmd;
5891 #ifdef FEAT_EVAL
5892 scid_T save_current_SID = current_SID;
5893 #endif
5894
5895 if (eap->cmdidx == CMD_USER)
5896 cmd = USER_CMD(eap->useridx);
5897 else
5898 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5899
5900 /*
5901 * Replace <> in the command by the arguments.
5902 */
5903 buf = NULL;
5904 for (;;)
5905 {
5906 p = cmd->uc_rep;
5907 q = buf;
5908 totlen = 0;
5909 while ((start = vim_strchr(p, '<')) != NULL
5910 && (end = vim_strchr(start + 1, '>')) != NULL)
5911 {
5912 /* Include the '>' */
5913 ++end;
5914
5915 /* Take everything up to the '<' */
5916 len = start - p;
5917 if (buf == NULL)
5918 totlen += len;
5919 else
5920 {
5921 mch_memmove(q, p, len);
5922 q += len;
5923 }
5924
5925 len = uc_check_code(start, end - start, q, cmd, eap,
5926 &split_buf, &split_len);
5927 if (len == (size_t)-1)
5928 {
5929 /* no match, continue after '<' */
5930 p = start + 1;
5931 len = 1;
5932 }
5933 else
5934 p = end;
5935 if (buf == NULL)
5936 totlen += len;
5937 else
5938 q += len;
5939 }
5940 if (buf != NULL) /* second time here, finished */
5941 {
5942 STRCPY(q, p);
5943 break;
5944 }
5945
5946 totlen += STRLEN(p); /* Add on the trailing characters */
5947 buf = alloc((unsigned)(totlen + 1));
5948 if (buf == NULL)
5949 {
5950 vim_free(split_buf);
5951 return;
5952 }
5953 }
5954
5955 #ifdef FEAT_EVAL
5956 current_SID = cmd->uc_scriptID;
5957 #endif
5958 (void)do_cmdline(buf, eap->getline, eap->cookie,
5959 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5960 #ifdef FEAT_EVAL
5961 current_SID = save_current_SID;
5962 #endif
5963 vim_free(buf);
5964 vim_free(split_buf);
5965 }
5966
5967 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
5968 static char_u *
5969 get_user_command_name(idx)
5970 int idx;
5971 {
5972 return get_user_commands(NULL, idx - (int)CMD_SIZE);
5973 }
5974
5975 /*
5976 * Function given to ExpandGeneric() to obtain the list of user command names.
5977 */
5978 /*ARGSUSED*/
5979 char_u *
5980 get_user_commands(xp, idx)
5981 expand_T *xp;
5982 int idx;
5983 {
5984 if (idx < curbuf->b_ucmds.ga_len)
5985 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
5986 idx -= curbuf->b_ucmds.ga_len;
5987 if (idx < ucmds.ga_len)
5988 return USER_CMD(idx)->uc_name;
5989 return NULL;
5990 }
5991
5992 /*
5993 * Function given to ExpandGeneric() to obtain the list of user command
5994 * attributes.
5995 */
5996 /*ARGSUSED*/
5997 char_u *
5998 get_user_cmd_flags(xp, idx)
5999 expand_T *xp;
6000 int idx;
6001 {
6002 static char *user_cmd_flags[] =
6003 {"bang", "bar", "buffer", "complete", "count",
6004 "nargs", "range", "register"};
6005
6006 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6007 return NULL;
6008 return (char_u *)user_cmd_flags[idx];
6009 }
6010
6011 /*
6012 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6013 */
6014 /*ARGSUSED*/
6015 char_u *
6016 get_user_cmd_nargs(xp, idx)
6017 expand_T *xp;
6018 int idx;
6019 {
6020 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6021
6022 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6023 return NULL;
6024 return (char_u *)user_cmd_nargs[idx];
6025 }
6026
6027 /*
6028 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6029 */
6030 /*ARGSUSED*/
6031 char_u *
6032 get_user_cmd_complete(xp, idx)
6033 expand_T *xp;
6034 int idx;
6035 {
6036 return (char_u *)command_complete[idx].name;
6037 }
6038 # endif /* FEAT_CMDL_COMPL */
6039
6040 #endif /* FEAT_USR_CMDS */
6041
6042 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6043 /*
6044 * Parse a completion argument "value[vallen]".
6045 * The detected completion goes in "*complp", argument type in "*argt".
6046 * When there is an argument, for function and user defined completion, it's
6047 * copied to allocated memory and stored in "*compl_arg".
6048 * Returns FAIL if something is wrong.
6049 */
6050 int
6051 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6052 char_u *value;
6053 int vallen;
6054 int *complp;
6055 long *argt;
6056 char_u **compl_arg;
6057 {
6058 char_u *arg = NULL;
6059 size_t arglen = 0;
6060 int i;
6061 int valend = vallen;
6062
6063 /* Look for any argument part - which is the part after any ',' */
6064 for (i = 0; i < vallen; ++i)
6065 {
6066 if (value[i] == ',')
6067 {
6068 arg = &value[i + 1];
6069 arglen = vallen - i - 1;
6070 valend = i;
6071 break;
6072 }
6073 }
6074
6075 for (i = 0; command_complete[i].expand != 0; ++i)
6076 {
6077 if ((int)STRLEN(command_complete[i].name) == valend
6078 && STRNCMP(value, command_complete[i].name, valend) == 0)
6079 {
6080 *complp = command_complete[i].expand;
6081 if (command_complete[i].expand == EXPAND_BUFFERS)
6082 *argt |= BUFNAME;
6083 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6084 || command_complete[i].expand == EXPAND_FILES)
6085 *argt |= XFILE;
6086 break;
6087 }
6088 }
6089
6090 if (command_complete[i].expand == 0)
6091 {
6092 EMSG2(_("E180: Invalid complete value: %s"), value);
6093 return FAIL;
6094 }
6095
6096 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6097 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6098 && arg != NULL)
6099 # else
6100 if (arg != NULL)
6101 # endif
6102 {
6103 EMSG(_("E468: Completion argument only allowed for custom completion"));
6104 return FAIL;
6105 }
6106
6107 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6108 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6109 && arg == NULL)
6110 {
6111 EMSG(_("E467: Custom completion requires a function argument"));
6112 return FAIL;
6113 }
6114
6115 if (arg != NULL)
6116 *compl_arg = vim_strnsave(arg, (int)arglen);
6117 # endif
6118 return OK;
6119 }
6120 #endif
6121
6122 static void
6123 ex_colorscheme(eap)
6124 exarg_T *eap;
6125 {
6126 if (load_colors(eap->arg) == FAIL)
6127 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6128 }
6129
6130 static void
6131 ex_highlight(eap)
6132 exarg_T *eap;
6133 {
6134 if (*eap->arg == NUL && eap->cmd[2] == '!')
6135 MSG(_("Greetings, Vim user!"));
6136 do_highlight(eap->arg, eap->forceit, FALSE);
6137 }
6138
6139
6140 /*
6141 * Call this function if we thought we were going to exit, but we won't
6142 * (because of an error). May need to restore the terminal mode.
6143 */
6144 void
6145 not_exiting()
6146 {
6147 exiting = FALSE;
6148 settmode(TMODE_RAW);
6149 }
6150
6151 /*
6152 * ":quit": quit current window, quit Vim if closed the last window.
6153 */
6154 static void
6155 ex_quit(eap)
6156 exarg_T *eap;
6157 {
6158 #ifdef FEAT_CMDWIN
6159 if (cmdwin_type != 0)
6160 {
6161 cmdwin_result = Ctrl_C;
6162 return;
6163 }
6164 #endif
6165 /* Don't quit while editing the command line. */
6166 if (text_locked())
6167 {
6168 text_locked_msg();
6169 return;
6170 }
6171 #ifdef FEAT_AUTOCMD
6172 if (curbuf_locked())
6173 return;
6174 #endif
6175
6176 #ifdef FEAT_NETBEANS_INTG
6177 netbeansForcedQuit = eap->forceit;
6178 #endif
6179
6180 /*
6181 * If there are more files or windows we won't exit.
6182 */
6183 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6184 exiting = TRUE;
6185 if ((!P_HID(curbuf)
6186 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6187 || check_more(TRUE, eap->forceit) == FAIL
6188 || (only_one_window() && check_changed_any(eap->forceit)))
6189 {
6190 not_exiting();
6191 }
6192 else
6193 {
6194 #ifdef FEAT_WINDOWS
6195 if (only_one_window()) /* quit last window */
6196 #endif
6197 getout(0);
6198 #ifdef FEAT_WINDOWS
6199 # ifdef FEAT_GUI
6200 need_mouse_correct = TRUE;
6201 # endif
6202 /* close window; may free buffer */
6203 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6204 #endif
6205 }
6206 }
6207
6208 /*
6209 * ":cquit".
6210 */
6211 /*ARGSUSED*/
6212 static void
6213 ex_cquit(eap)
6214 exarg_T *eap;
6215 {
6216 getout(1); /* this does not always pass on the exit code to the Manx
6217 compiler. why? */
6218 }
6219
6220 /*
6221 * ":qall": try to quit all windows
6222 */
6223 static void
6224 ex_quit_all(eap)
6225 exarg_T *eap;
6226 {
6227 # ifdef FEAT_CMDWIN
6228 if (cmdwin_type != 0)
6229 {
6230 if (eap->forceit)
6231 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6232 else
6233 cmdwin_result = K_XF2;
6234 return;
6235 }
6236 # endif
6237
6238 /* Don't quit while editing the command line. */
6239 if (text_locked())
6240 {
6241 text_locked_msg();
6242 return;
6243 }
6244 #ifdef FEAT_AUTOCMD
6245 if (curbuf_locked())
6246 return;
6247 #endif
6248
6249 exiting = TRUE;
6250 if (eap->forceit || !check_changed_any(FALSE))
6251 getout(0);
6252 not_exiting();
6253 }
6254
6255 #if defined(FEAT_WINDOWS) || defined(PROTO)
6256 /*
6257 * ":close": close current window, unless it is the last one
6258 */
6259 static void
6260 ex_close(eap)
6261 exarg_T *eap;
6262 {
6263 # ifdef FEAT_CMDWIN
6264 if (cmdwin_type != 0)
6265 cmdwin_result = K_IGNORE;
6266 else
6267 # endif
6268 if (!text_locked()
6269 #ifdef FEAT_AUTOCMD
6270 && !curbuf_locked()
6271 #endif
6272 )
6273 ex_win_close(eap->forceit, curwin, NULL);
6274 }
6275
6276 # ifdef FEAT_QUICKFIX
6277 /*
6278 * ":pclose": Close any preview window.
6279 */
6280 static void
6281 ex_pclose(eap)
6282 exarg_T *eap;
6283 {
6284 win_T *win;
6285
6286 for (win = firstwin; win != NULL; win = win->w_next)
6287 if (win->w_p_pvw)
6288 {
6289 ex_win_close(eap->forceit, win, NULL);
6290 break;
6291 }
6292 }
6293 # endif
6294
6295 /*
6296 * Close window "win" and take care of handling closing the last window for a
6297 * modified buffer.
6298 */
6299 static void
6300 ex_win_close(forceit, win, tp)
6301 int forceit;
6302 win_T *win;
6303 tabpage_T *tp; /* NULL or the tab page "win" is in */
6304 {
6305 int need_hide;
6306 buf_T *buf = win->w_buffer;
6307
6308 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6309 if (need_hide && !P_HID(buf) && !forceit)
6310 {
6311 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6312 if ((p_confirm || cmdmod.confirm) && p_write)
6313 {
6314 dialog_changed(buf, FALSE);
6315 if (buf_valid(buf) && bufIsChanged(buf))
6316 return;
6317 need_hide = FALSE;
6318 }
6319 else
6320 # endif
6321 {
6322 EMSG(_(e_nowrtmsg));
6323 return;
6324 }
6325 }
6326
6327 # ifdef FEAT_GUI
6328 need_mouse_correct = TRUE;
6329 # endif
6330
6331 /* free buffer when not hiding it or when it's a scratch buffer */
6332 if (tp == NULL)
6333 win_close(win, !need_hide && !P_HID(buf));
6334 else
6335 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6336 }
6337
6338 /*
6339 * ":tabclose": close current tab page, unless it is the last one.
6340 * ":tabclose N": close tab page N.
6341 */
6342 static void
6343 ex_tabclose(eap)
6344 exarg_T *eap;
6345 {
6346 tabpage_T *tp;
6347
6348 # ifdef FEAT_CMDWIN
6349 if (cmdwin_type != 0)
6350 cmdwin_result = K_IGNORE;
6351 else
6352 # endif
6353 if (first_tabpage->tp_next == NULL)
6354 EMSG(_("E784: Cannot close last tab page"));
6355 else
6356 {
6357 if (eap->addr_count > 0)
6358 {
6359 tp = find_tabpage((int)eap->line2);
6360 if (tp == NULL)
6361 {
6362 beep_flush();
6363 return;
6364 }
6365 if (tp != curtab)
6366 {
6367 tabpage_close_other(tp, eap->forceit);
6368 return;
6369 }
6370 }
6371 if (!text_locked()
6372 #ifdef FEAT_AUTOCMD
6373 && !curbuf_locked()
6374 #endif
6375 )
6376 tabpage_close(eap->forceit);
6377 }
6378 }
6379
6380 /*
6381 * ":tabonly": close all tab pages except the current one
6382 */
6383 static void
6384 ex_tabonly(eap)
6385 exarg_T *eap;
6386 {
6387 tabpage_T *tp;
6388 int done;
6389
6390 # ifdef FEAT_CMDWIN
6391 if (cmdwin_type != 0)
6392 cmdwin_result = K_IGNORE;
6393 else
6394 # endif
6395 if (first_tabpage->tp_next == NULL)
6396 MSG(_("Already only one tab page"));
6397 else
6398 {
6399 /* Repeat this up to a 1000 times, because autocommands may mess
6400 * up the lists. */
6401 for (done = 0; done < 1000; ++done)
6402 {
6403 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6404 if (tp->tp_topframe != topframe)
6405 {
6406 tabpage_close_other(tp, eap->forceit);
6407 /* if we failed to close it quit */
6408 if (valid_tabpage(tp))
6409 done = 1000;
6410 /* start over, "tp" is now invalid */
6411 break;
6412 }
6413 if (first_tabpage->tp_next == NULL)
6414 break;
6415 }
6416 }
6417 }
6418
6419 /*
6420 * Close the current tab page.
6421 */
6422 void
6423 tabpage_close(forceit)
6424 int forceit;
6425 {
6426 /* First close all the windows but the current one. If that worked then
6427 * close the last window in this tab, that will close it. */
6428 if (lastwin != firstwin)
6429 close_others(TRUE, forceit);
6430 if (lastwin == firstwin)
6431 ex_win_close(forceit, curwin, NULL);
6432 # ifdef FEAT_GUI
6433 need_mouse_correct = TRUE;
6434 # endif
6435 }
6436
6437 /*
6438 * Close tab page "tp", which is not the current tab page.
6439 * Note that autocommands may make "tp" invalid.
6440 * Also takes care of the tab pages line disappearing when closing the
6441 * last-but-one tab page.
6442 */
6443 void
6444 tabpage_close_other(tp, forceit)
6445 tabpage_T *tp;
6446 int forceit;
6447 {
6448 int done = 0;
6449 win_T *wp;
6450 int h = tabline_height();
6451
6452 /* Limit to 1000 windows, autocommands may add a window while we close
6453 * one. OK, so I'm paranoid... */
6454 while (++done < 1000)
6455 {
6456 wp = tp->tp_firstwin;
6457 ex_win_close(forceit, wp, tp);
6458
6459 /* Autocommands may delete the tab page under our fingers and we may
6460 * fail to close a window with a modified buffer. */
6461 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6462 break;
6463 }
6464
6465 redraw_tabline = TRUE;
6466 if (h != tabline_height())
6467 shell_new_rows();
6468 }
6469
6470 /*
6471 * ":only".
6472 */
6473 static void
6474 ex_only(eap)
6475 exarg_T *eap;
6476 {
6477 # ifdef FEAT_GUI
6478 need_mouse_correct = TRUE;
6479 # endif
6480 close_others(TRUE, eap->forceit);
6481 }
6482
6483 /*
6484 * ":all" and ":sall".
6485 * Also used for ":tab drop file ..." after setting the argument list.
6486 */
6487 void
6488 ex_all(eap)
6489 exarg_T *eap;
6490 {
6491 if (eap->addr_count == 0)
6492 eap->line2 = 9999;
6493 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6494 }
6495 #endif /* FEAT_WINDOWS */
6496
6497 static void
6498 ex_hide(eap)
6499 exarg_T *eap;
6500 {
6501 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6502 eap->errmsg = e_invarg;
6503 else
6504 {
6505 /* ":hide" or ":hide | cmd": hide current window */
6506 eap->nextcmd = check_nextcmd(eap->arg);
6507 #ifdef FEAT_WINDOWS
6508 if (!eap->skip)
6509 {
6510 # ifdef FEAT_GUI
6511 need_mouse_correct = TRUE;
6512 # endif
6513 win_close(curwin, FALSE); /* don't free buffer */
6514 }
6515 #endif
6516 }
6517 }
6518
6519 /*
6520 * ":stop" and ":suspend": Suspend Vim.
6521 */
6522 static void
6523 ex_stop(eap)
6524 exarg_T *eap;
6525 {
6526 /*
6527 * Disallow suspending for "rvim".
6528 */
6529 if (!check_restricted()
6530 #ifdef WIN3264
6531 /*
6532 * Check if external commands are allowed now.
6533 */
6534 && can_end_termcap_mode(TRUE)
6535 #endif
6536 )
6537 {
6538 if (!eap->forceit)
6539 autowrite_all();
6540 windgoto((int)Rows - 1, 0);
6541 out_char('\n');
6542 out_flush();
6543 stoptermcap();
6544 out_flush(); /* needed for SUN to restore xterm buffer */
6545 #ifdef FEAT_TITLE
6546 mch_restore_title(3); /* restore window titles */
6547 #endif
6548 ui_suspend(); /* call machine specific function */
6549 #ifdef FEAT_TITLE
6550 maketitle();
6551 resettitle(); /* force updating the title */
6552 #endif
6553 starttermcap();
6554 scroll_start(); /* scroll screen before redrawing */
6555 redraw_later_clear();
6556 shell_resized(); /* may have resized window */
6557 }
6558 }
6559
6560 /*
6561 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6562 */
6563 static void
6564 ex_exit(eap)
6565 exarg_T *eap;
6566 {
6567 #ifdef FEAT_CMDWIN
6568 if (cmdwin_type != 0)
6569 {
6570 cmdwin_result = Ctrl_C;
6571 return;
6572 }
6573 #endif
6574 /* Don't quit while editing the command line. */
6575 if (text_locked())
6576 {
6577 text_locked_msg();
6578 return;
6579 }
6580 #ifdef FEAT_AUTOCMD
6581 if (curbuf_locked())
6582 return;
6583 #endif
6584
6585 /*
6586 * if more files or windows we won't exit
6587 */
6588 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6589 exiting = TRUE;
6590 if ( ((eap->cmdidx == CMD_wq
6591 || curbufIsChanged())
6592 && do_write(eap) == FAIL)
6593 || check_more(TRUE, eap->forceit) == FAIL
6594 || (only_one_window() && check_changed_any(eap->forceit)))
6595 {
6596 not_exiting();
6597 }
6598 else
6599 {
6600 #ifdef FEAT_WINDOWS
6601 if (only_one_window()) /* quit last window, exit Vim */
6602 #endif
6603 getout(0);
6604 #ifdef FEAT_WINDOWS
6605 # ifdef FEAT_GUI
6606 need_mouse_correct = TRUE;
6607 # endif
6608 /* quit current window, may free buffer */
6609 win_close(curwin, !P_HID(curwin->w_buffer));
6610 #endif
6611 }
6612 }
6613
6614 /*
6615 * ":print", ":list", ":number".
6616 */
6617 static void
6618 ex_print(eap)
6619 exarg_T *eap;
6620 {
6621 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6622 EMSG(_(e_emptybuf));
6623 else
6624 {
6625 for ( ;!got_int; ui_breakcheck())
6626 {
6627 print_line(eap->line1,
6628 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6629 || (eap->flags & EXFLAG_NR)),
6630 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6631 if (++eap->line1 > eap->line2)
6632 break;
6633 out_flush(); /* show one line at a time */
6634 }
6635 setpcmark();
6636 /* put cursor at last line */
6637 curwin->w_cursor.lnum = eap->line2;
6638 beginline(BL_SOL | BL_FIX);
6639 }
6640
6641 ex_no_reprint = TRUE;
6642 }
6643
6644 #ifdef FEAT_BYTEOFF
6645 static void
6646 ex_goto(eap)
6647 exarg_T *eap;
6648 {
6649 goto_byte(eap->line2);
6650 }
6651 #endif
6652
6653 /*
6654 * ":shell".
6655 */
6656 /*ARGSUSED*/
6657 static void
6658 ex_shell(eap)
6659 exarg_T *eap;
6660 {
6661 do_shell(NULL, 0);
6662 }
6663
6664 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6665 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6666 || defined(FEAT_GUI_MSWIN) \
6667 || defined(FEAT_GUI_MAC) \
6668 || defined(PROTO)
6669
6670 /*
6671 * Handle a file drop. The code is here because a drop is *nearly* like an
6672 * :args command, but not quite (we have a list of exact filenames, so we
6673 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6674 * code is very similar to :args and hence needs access to a lot of the static
6675 * functions in this file.
6676 *
6677 * The list should be allocated using alloc(), as should each item in the
6678 * list. This function takes over responsibility for freeing the list.
6679 *
6680 * XXX The list is made into the arggument list. This is freed using
6681 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6682 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6683 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6684 * file functionality is (currently) not in EMX this is not presently a
6685 * problem.
6686 */
6687 void
6688 handle_drop(filec, filev, split)
6689 int filec; /* the number of files dropped */
6690 char_u **filev; /* the list of files dropped */
6691 int split; /* force splitting the window */
6692 {
6693 exarg_T ea;
6694 int save_msg_scroll = msg_scroll;
6695
6696 /* Postpone this while editing the command line. */
6697 if (text_locked())
6698 return;
6699 #ifdef FEAT_AUTOCMD
6700 if (curbuf_locked())
6701 return;
6702 #endif
6703
6704 /* Check whether the current buffer is changed. If so, we will need
6705 * to split the current window or data could be lost.
6706 * We don't need to check if the 'hidden' option is set, as in this
6707 * case the buffer won't be lost.
6708 */
6709 if (!P_HID(curbuf) && !split)
6710 {
6711 ++emsg_off;
6712 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6713 --emsg_off;
6714 }
6715 if (split)
6716 {
6717 # ifdef FEAT_WINDOWS
6718 if (win_split(0, 0) == FAIL)
6719 return;
6720 # ifdef FEAT_SCROLLBIND
6721 curwin->w_p_scb = FALSE;
6722 # endif
6723
6724 /* When splitting the window, create a new alist. Otherwise the
6725 * existing one is overwritten. */
6726 alist_unlink(curwin->w_alist);
6727 alist_new();
6728 # else
6729 return; /* can't split, always fail */
6730 # endif
6731 }
6732
6733 /*
6734 * Set up the new argument list.
6735 */
6736 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6737
6738 /*
6739 * Move to the first file.
6740 */
6741 /* Fake up a minimal "next" command for do_argfile() */
6742 vim_memset(&ea, 0, sizeof(ea));
6743 ea.cmd = (char_u *)"next";
6744 do_argfile(&ea, 0);
6745
6746 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6747 * mode that is not needed here. */
6748 need_start_insertmode = FALSE;
6749
6750 /* Restore msg_scroll, otherwise a following command may cause scrolling
6751 * unexpectedly. The screen will be redrawn by the caller, thus
6752 * msg_scroll being set by displaying a message is irrelevant. */
6753 msg_scroll = save_msg_scroll;
6754 }
6755 #endif
6756
6757 /*
6758 * Clear an argument list: free all file names and reset it to zero entries.
6759 */
6760 void
6761 alist_clear(al)
6762 alist_T *al;
6763 {
6764 while (--al->al_ga.ga_len >= 0)
6765 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6766 ga_clear(&al->al_ga);
6767 }
6768
6769 /*
6770 * Init an argument list.
6771 */
6772 void
6773 alist_init(al)
6774 alist_T *al;
6775 {
6776 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6777 }
6778
6779 #if defined(FEAT_WINDOWS) || defined(PROTO)
6780
6781 /*
6782 * Remove a reference from an argument list.
6783 * Ignored when the argument list is the global one.
6784 * If the argument list is no longer used by any window, free it.
6785 */
6786 void
6787 alist_unlink(al)
6788 alist_T *al;
6789 {
6790 if (al != &global_alist && --al->al_refcount <= 0)
6791 {
6792 alist_clear(al);
6793 vim_free(al);
6794 }
6795 }
6796
6797 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6798 /*
6799 * Create a new argument list and use it for the current window.
6800 */
6801 void
6802 alist_new()
6803 {
6804 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6805 if (curwin->w_alist == NULL)
6806 {
6807 curwin->w_alist = &global_alist;
6808 ++global_alist.al_refcount;
6809 }
6810 else
6811 {
6812 curwin->w_alist->al_refcount = 1;
6813 alist_init(curwin->w_alist);
6814 }
6815 }
6816 # endif
6817 #endif
6818
6819 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6820 /*
6821 * Expand the file names in the global argument list.
6822 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6823 * numbers to be re-used.
6824 */
6825 void
6826 alist_expand(fnum_list, fnum_len)
6827 int *fnum_list;
6828 int fnum_len;
6829 {
6830 char_u **old_arg_files;
6831 int old_arg_count;
6832 char_u **new_arg_files;
6833 int new_arg_file_count;
6834 char_u *save_p_su = p_su;
6835 int i;
6836
6837 /* Don't use 'suffixes' here. This should work like the shell did the
6838 * expansion. Also, the vimrc file isn't read yet, thus the user
6839 * can't set the options. */
6840 p_su = empty_option;
6841 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6842 if (old_arg_files != NULL)
6843 {
6844 for (i = 0; i < GARGCOUNT; ++i)
6845 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6846 old_arg_count = GARGCOUNT;
6847 if (expand_wildcards(old_arg_count, old_arg_files,
6848 &new_arg_file_count, &new_arg_files,
6849 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6850 && new_arg_file_count > 0)
6851 {
6852 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6853 TRUE, fnum_list, fnum_len);
6854 FreeWild(old_arg_count, old_arg_files);
6855 }
6856 }
6857 p_su = save_p_su;
6858 }
6859 #endif
6860
6861 /*
6862 * Set the argument list for the current window.
6863 * Takes over the allocated files[] and the allocated fnames in it.
6864 */
6865 void
6866 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6867 alist_T *al;
6868 int count;
6869 char_u **files;
6870 int use_curbuf;
6871 int *fnum_list;
6872 int fnum_len;
6873 {
6874 int i;
6875
6876 alist_clear(al);
6877 if (ga_grow(&al->al_ga, count) == OK)
6878 {
6879 for (i = 0; i < count; ++i)
6880 {
6881 if (got_int)
6882 {
6883 /* When adding many buffers this can take a long time. Allow
6884 * interrupting here. */
6885 while (i < count)
6886 vim_free(files[i++]);
6887 break;
6888 }
6889
6890 /* May set buffer name of a buffer previously used for the
6891 * argument list, so that it's re-used by alist_add. */
6892 if (fnum_list != NULL && i < fnum_len)
6893 buf_set_name(fnum_list[i], files[i]);
6894
6895 alist_add(al, files[i], use_curbuf ? 2 : 1);
6896 ui_breakcheck();
6897 }
6898 vim_free(files);
6899 }
6900 else
6901 FreeWild(count, files);
6902 #ifdef FEAT_WINDOWS
6903 if (al == &global_alist)
6904 #endif
6905 arg_had_last = FALSE;
6906 }
6907
6908 /*
6909 * Add file "fname" to argument list "al".
6910 * "fname" must have been allocated and "al" must have been checked for room.
6911 */
6912 void
6913 alist_add(al, fname, set_fnum)
6914 alist_T *al;
6915 char_u *fname;
6916 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6917 {
6918 if (fname == NULL) /* don't add NULL file names */
6919 return;
6920 #ifdef BACKSLASH_IN_FILENAME
6921 slash_adjust(fname);
6922 #endif
6923 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6924 if (set_fnum > 0)
6925 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6926 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6927 ++al->al_ga.ga_len;
6928 }
6929
6930 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6931 /*
6932 * Adjust slashes in file names. Called after 'shellslash' was set.
6933 */
6934 void
6935 alist_slash_adjust()
6936 {
6937 int i;
6938 # ifdef FEAT_WINDOWS
6939 win_T *wp;
6940 tabpage_T *tp;
6941 # endif
6942
6943 for (i = 0; i < GARGCOUNT; ++i)
6944 if (GARGLIST[i].ae_fname != NULL)
6945 slash_adjust(GARGLIST[i].ae_fname);
6946 # ifdef FEAT_WINDOWS
6947 FOR_ALL_TAB_WINDOWS(tp, wp)
6948 if (wp->w_alist != &global_alist)
6949 for (i = 0; i < WARGCOUNT(wp); ++i)
6950 if (WARGLIST(wp)[i].ae_fname != NULL)
6951 slash_adjust(WARGLIST(wp)[i].ae_fname);
6952 # endif
6953 }
6954 #endif
6955
6956 /*
6957 * ":preserve".
6958 */
6959 /*ARGSUSED*/
6960 static void
6961 ex_preserve(eap)
6962 exarg_T *eap;
6963 {
6964 curbuf->b_flags |= BF_PRESERVED;
6965 ml_preserve(curbuf, TRUE);
6966 }
6967
6968 /*
6969 * ":recover".
6970 */
6971 static void
6972 ex_recover(eap)
6973 exarg_T *eap;
6974 {
6975 /* Set recoverymode right away to avoid the ATTENTION prompt. */
6976 recoverymode = TRUE;
6977 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
6978 && (*eap->arg == NUL
6979 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
6980 ml_recover();
6981 recoverymode = FALSE;
6982 }
6983
6984 /*
6985 * Command modifier used in a wrong way.
6986 */
6987 static void
6988 ex_wrongmodifier(eap)
6989 exarg_T *eap;
6990 {
6991 eap->errmsg = e_invcmd;
6992 }
6993
6994 #ifdef FEAT_WINDOWS
6995 /*
6996 * :sview [+command] file split window with new file, read-only
6997 * :split [[+command] file] split window with current or new file
6998 * :vsplit [[+command] file] split window vertically with current or new file
6999 * :new [[+command] file] split window with no or new file
7000 * :vnew [[+command] file] split vertically window with no or new file
7001 * :sfind [+command] file split window with file in 'path'
7002 *
7003 * :tabedit open new Tab page with empty window
7004 * :tabedit [+command] file open new Tab page and edit "file"
7005 * :tabnew [[+command] file] just like :tabedit
7006 * :tabfind [+command] file open new Tab page and find "file"
7007 */
7008 void
7009 ex_splitview(eap)
7010 exarg_T *eap;
7011 {
7012 win_T *old_curwin = curwin;
7013 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7014 char_u *fname = NULL;
7015 # endif
7016 # ifdef FEAT_BROWSE
7017 int browse_flag = cmdmod.browse;
7018 # endif
7019
7020 # ifndef FEAT_VERTSPLIT
7021 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7022 {
7023 ex_ni(eap);
7024 return;
7025 }
7026 # endif
7027
7028 # ifdef FEAT_GUI
7029 need_mouse_correct = TRUE;
7030 # endif
7031
7032 # ifdef FEAT_QUICKFIX
7033 /* A ":split" in the quickfix window works like ":new". Don't want two
7034 * quickfix windows. */
7035 if (bt_quickfix(curbuf))
7036 {
7037 if (eap->cmdidx == CMD_split)
7038 eap->cmdidx = CMD_new;
7039 # ifdef FEAT_VERTSPLIT
7040 if (eap->cmdidx == CMD_vsplit)
7041 eap->cmdidx = CMD_vnew;
7042 # endif
7043 }
7044 # endif
7045
7046 # ifdef FEAT_SEARCHPATH
7047 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7048 {
7049 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7050 FNAME_MESS, TRUE, curbuf->b_ffname);
7051 if (fname == NULL)
7052 goto theend;
7053 eap->arg = fname;
7054 }
7055 # ifdef FEAT_BROWSE
7056 else
7057 # endif
7058 # endif
7059 # ifdef FEAT_BROWSE
7060 if (cmdmod.browse
7061 # ifdef FEAT_VERTSPLIT
7062 && eap->cmdidx != CMD_vnew
7063 # endif
7064 && eap->cmdidx != CMD_new)
7065 {
7066 if (
7067 # ifdef FEAT_GUI
7068 !gui.in_use &&
7069 # endif
7070 au_has_group((char_u *)"FileExplorer"))
7071 {
7072 /* No browsing supported but we do have the file explorer:
7073 * Edit the directory. */
7074 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7075 eap->arg = (char_u *)".";
7076 }
7077 else
7078 {
7079 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7080 eap->arg, NULL, NULL, NULL, curbuf);
7081 if (fname == NULL)
7082 goto theend;
7083 eap->arg = fname;
7084 }
7085 }
7086 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7087 # endif
7088
7089 /*
7090 * Either open new tab page or split the window.
7091 */
7092 if (eap->cmdidx == CMD_tabedit
7093 || eap->cmdidx == CMD_tabfind
7094 || eap->cmdidx == CMD_tabnew)
7095 {
7096 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7097 : eap->addr_count == 0 ? 0
7098 : (int)eap->line2 + 1) != FAIL)
7099 {
7100 do_exedit(eap, NULL);
7101
7102 /* set the alternate buffer for the window we came from */
7103 if (curwin != old_curwin
7104 && win_valid(old_curwin)
7105 && old_curwin->w_buffer != curbuf
7106 && !cmdmod.keepalt)
7107 old_curwin->w_alt_fnum = curbuf->b_fnum;
7108 }
7109 }
7110 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7111 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7112 {
7113 # ifdef FEAT_SCROLLBIND
7114 /* Reset 'scrollbind' when editing another file, but keep it when
7115 * doing ":split" without arguments. */
7116 if (*eap->arg != NUL
7117 # ifdef FEAT_BROWSE
7118 || cmdmod.browse
7119 # endif
7120 )
7121 curwin->w_p_scb = FALSE;
7122 else
7123 do_check_scrollbind(FALSE);
7124 # endif
7125 do_exedit(eap, old_curwin);
7126 }
7127
7128 # ifdef FEAT_BROWSE
7129 cmdmod.browse = browse_flag;
7130 # endif
7131
7132 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7133 theend:
7134 vim_free(fname);
7135 # endif
7136 }
7137
7138 #if defined(FEAT_MOUSE) || defined(PROTO)
7139 /*
7140 * Open a new tab page.
7141 */
7142 void
7143 tabpage_new()
7144 {
7145 exarg_T ea;
7146
7147 vim_memset(&ea, 0, sizeof(ea));
7148 ea.cmdidx = CMD_tabnew;
7149 ea.cmd = (char_u *)"tabn";
7150 ea.arg = (char_u *)"";
7151 ex_splitview(&ea);
7152 }
7153 #endif
7154
7155 /*
7156 * :tabnext command
7157 */
7158 static void
7159 ex_tabnext(eap)
7160 exarg_T *eap;
7161 {
7162 switch (eap->cmdidx)
7163 {
7164 case CMD_tabfirst:
7165 case CMD_tabrewind:
7166 goto_tabpage(1);
7167 break;
7168 case CMD_tablast:
7169 goto_tabpage(9999);
7170 break;
7171 case CMD_tabprevious:
7172 case CMD_tabNext:
7173 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7174 break;
7175 default: /* CMD_tabnext */
7176 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7177 break;
7178 }
7179 }
7180
7181 /*
7182 * :tabmove command
7183 */
7184 static void
7185 ex_tabmove(eap)
7186 exarg_T *eap;
7187 {
7188 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7189 }
7190
7191 /*
7192 * :tabs command: List tabs and their contents.
7193 */
7194 /*ARGSUSED*/
7195 static void
7196 ex_tabs(eap)
7197 exarg_T *eap;
7198 {
7199 tabpage_T *tp;
7200 win_T *wp;
7201 int tabcount = 1;
7202
7203 msg_start();
7204 msg_scroll = TRUE;
7205 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7206 {
7207 msg_putchar('\n');
7208 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7209 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7210 out_flush(); /* output one line at a time */
7211 ui_breakcheck();
7212
7213 if (tp == curtab)
7214 wp = firstwin;
7215 else
7216 wp = tp->tp_firstwin;
7217 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7218 {
7219 msg_putchar('\n');
7220 msg_putchar(wp == curwin ? '>' : ' ');
7221 msg_putchar(' ');
7222 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7223 msg_putchar(' ');
7224 if (buf_spname(wp->w_buffer) != NULL)
7225 STRCPY(IObuff, buf_spname(wp->w_buffer));
7226 else
7227 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7228 IObuff, IOSIZE, TRUE);
7229 msg_outtrans(IObuff);
7230 out_flush(); /* output one line at a time */
7231 ui_breakcheck();
7232 }
7233 }
7234 }
7235
7236 #endif /* FEAT_WINDOWS */
7237
7238 /*
7239 * ":mode": Set screen mode.
7240 * If no argument given, just get the screen size and redraw.
7241 */
7242 static void
7243 ex_mode(eap)
7244 exarg_T *eap;
7245 {
7246 if (*eap->arg == NUL)
7247 shell_resized();
7248 else
7249 mch_screenmode(eap->arg);
7250 }
7251
7252 #ifdef FEAT_WINDOWS
7253 /*
7254 * ":resize".
7255 * set, increment or decrement current window height
7256 */
7257 static void
7258 ex_resize(eap)
7259 exarg_T *eap;
7260 {
7261 int n;
7262 win_T *wp = curwin;
7263
7264 if (eap->addr_count > 0)
7265 {
7266 n = eap->line2;
7267 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7268 ;
7269 }
7270
7271 #ifdef FEAT_GUI
7272 need_mouse_correct = TRUE;
7273 #endif
7274 n = atol((char *)eap->arg);
7275 #ifdef FEAT_VERTSPLIT
7276 if (cmdmod.split & WSP_VERT)
7277 {
7278 if (*eap->arg == '-' || *eap->arg == '+')
7279 n += W_WIDTH(curwin);
7280 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7281 n = 9999;
7282 win_setwidth_win((int)n, wp);
7283 }
7284 else
7285 #endif
7286 {
7287 if (*eap->arg == '-' || *eap->arg == '+')
7288 n += curwin->w_height;
7289 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7290 n = 9999;
7291 win_setheight_win((int)n, wp);
7292 }
7293 }
7294 #endif
7295
7296 /*
7297 * ":find [+command] <file>" command.
7298 */
7299 static void
7300 ex_find(eap)
7301 exarg_T *eap;
7302 {
7303 #ifdef FEAT_SEARCHPATH
7304 char_u *fname;
7305 int count;
7306
7307 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7308 TRUE, curbuf->b_ffname);
7309 if (eap->addr_count > 0)
7310 {
7311 /* Repeat finding the file "count" times. This matters when it
7312 * appears several times in the path. */
7313 count = eap->line2;
7314 while (fname != NULL && --count > 0)
7315 {
7316 vim_free(fname);
7317 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7318 FALSE, curbuf->b_ffname);
7319 }
7320 }
7321
7322 if (fname != NULL)
7323 {
7324 eap->arg = fname;
7325 #endif
7326 do_exedit(eap, NULL);
7327 #ifdef FEAT_SEARCHPATH
7328 vim_free(fname);
7329 }
7330 #endif
7331 }
7332
7333 /*
7334 * ":open" simulation: for now just work like ":visual".
7335 */
7336 static void
7337 ex_open(eap)
7338 exarg_T *eap;
7339 {
7340 regmatch_T regmatch;
7341 char_u *p;
7342
7343 curwin->w_cursor.lnum = eap->line2;
7344 beginline(BL_SOL | BL_FIX);
7345 if (*eap->arg == '/')
7346 {
7347 /* ":open /pattern/": put cursor in column found with pattern */
7348 ++eap->arg;
7349 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7350 *p = NUL;
7351 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7352 if (regmatch.regprog != NULL)
7353 {
7354 regmatch.rm_ic = p_ic;
7355 p = ml_get_curline();
7356 if (vim_regexec(&regmatch, p, (colnr_T)0))
7357 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7358 else
7359 EMSG(_(e_nomatch));
7360 vim_free(regmatch.regprog);
7361 }
7362 /* Move to the NUL, ignore any other arguments. */
7363 eap->arg += STRLEN(eap->arg);
7364 }
7365 check_cursor();
7366
7367 eap->cmdidx = CMD_visual;
7368 do_exedit(eap, NULL);
7369 }
7370
7371 /*
7372 * ":edit", ":badd", ":visual".
7373 */
7374 static void
7375 ex_edit(eap)
7376 exarg_T *eap;
7377 {
7378 do_exedit(eap, NULL);
7379 }
7380
7381 /*
7382 * ":edit <file>" command and alikes.
7383 */
7384 /*ARGSUSED*/
7385 void
7386 do_exedit(eap, old_curwin)
7387 exarg_T *eap;
7388 win_T *old_curwin; /* curwin before doing a split or NULL */
7389 {
7390 int n;
7391 #ifdef FEAT_WINDOWS
7392 int need_hide;
7393 #endif
7394 int exmode_was = exmode_active;
7395
7396 /*
7397 * ":vi" command ends Ex mode.
7398 */
7399 if (exmode_active && (eap->cmdidx == CMD_visual
7400 || eap->cmdidx == CMD_view))
7401 {
7402 exmode_active = FALSE;
7403 if (*eap->arg == NUL)
7404 {
7405 /* Special case: ":global/pat/visual\NLvi-commands" */
7406 if (global_busy)
7407 {
7408 int rd = RedrawingDisabled;
7409 int nwr = no_wait_return;
7410 int ms = msg_scroll;
7411 #ifdef FEAT_GUI
7412 int he = hold_gui_events;
7413 #endif
7414
7415 if (eap->nextcmd != NULL)
7416 {
7417 stuffReadbuff(eap->nextcmd);
7418 eap->nextcmd = NULL;
7419 }
7420
7421 if (exmode_was != EXMODE_VIM)
7422 settmode(TMODE_RAW);
7423 RedrawingDisabled = 0;
7424 no_wait_return = 0;
7425 need_wait_return = FALSE;
7426 msg_scroll = 0;
7427 #ifdef FEAT_GUI
7428 hold_gui_events = 0;
7429 #endif
7430 must_redraw = CLEAR;
7431
7432 main_loop(FALSE, TRUE);
7433
7434 RedrawingDisabled = rd;
7435 no_wait_return = nwr;
7436 msg_scroll = ms;
7437 #ifdef FEAT_GUI
7438 hold_gui_events = he;
7439 #endif
7440 }
7441 return;
7442 }
7443 }
7444
7445 if ((eap->cmdidx == CMD_new
7446 || eap->cmdidx == CMD_tabnew
7447 || eap->cmdidx == CMD_tabedit
7448 #ifdef FEAT_VERTSPLIT
7449 || eap->cmdidx == CMD_vnew
7450 #endif
7451 ) && *eap->arg == NUL)
7452 {
7453 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7454 setpcmark();
7455 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7456 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7457 }
7458 else if ((eap->cmdidx != CMD_split
7459 #ifdef FEAT_VERTSPLIT
7460 && eap->cmdidx != CMD_vsplit
7461 #endif
7462 )
7463 || *eap->arg != NUL
7464 #ifdef FEAT_BROWSE
7465 || cmdmod.browse
7466 #endif
7467 )
7468 {
7469 #ifdef FEAT_AUTOCMD
7470 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7471 * can bring us here, others are stopped earlier. */
7472 if (*eap->arg != NUL && curbuf_locked())
7473 return;
7474 #endif
7475 n = readonlymode;
7476 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7477 readonlymode = TRUE;
7478 else if (eap->cmdidx == CMD_enew)
7479 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7480 empty buffer */
7481 setpcmark();
7482 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7483 NULL, eap,
7484 /* ":edit" goes to first line if Vi compatible */
7485 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7486 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7487 ? ECMD_ONE : eap->do_ecmd_lnum,
7488 (P_HID(curbuf) ? ECMD_HIDE : 0)
7489 + (eap->forceit ? ECMD_FORCEIT : 0)
7490 #ifdef FEAT_LISTCMDS
7491 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7492 #endif
7493 ) == FAIL)
7494 {
7495 /* Editing the file failed. If the window was split, close it. */
7496 #ifdef FEAT_WINDOWS
7497 if (old_curwin != NULL)
7498 {
7499 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7500 if (!need_hide || P_HID(curbuf))
7501 {
7502 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7503 cleanup_T cs;
7504
7505 /* Reset the error/interrupt/exception state here so that
7506 * aborting() returns FALSE when closing a window. */
7507 enter_cleanup(&cs);
7508 # endif
7509 # ifdef FEAT_GUI
7510 need_mouse_correct = TRUE;
7511 # endif
7512 win_close(curwin, !need_hide && !P_HID(curbuf));
7513
7514 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7515 /* Restore the error/interrupt/exception state if not
7516 * discarded by a new aborting error, interrupt, or
7517 * uncaught exception. */
7518 leave_cleanup(&cs);
7519 # endif
7520 }
7521 }
7522 #endif
7523 }
7524 else if (readonlymode && curbuf->b_nwindows == 1)
7525 {
7526 /* When editing an already visited buffer, 'readonly' won't be set
7527 * but the previous value is kept. With ":view" and ":sview" we
7528 * want the file to be readonly, except when another window is
7529 * editing the same buffer. */
7530 curbuf->b_p_ro = TRUE;
7531 }
7532 readonlymode = n;
7533 }
7534 else
7535 {
7536 if (eap->do_ecmd_cmd != NULL)
7537 do_cmdline_cmd(eap->do_ecmd_cmd);
7538 #ifdef FEAT_TITLE
7539 n = curwin->w_arg_idx_invalid;
7540 #endif
7541 check_arg_idx(curwin);
7542 #ifdef FEAT_TITLE
7543 if (n != curwin->w_arg_idx_invalid)
7544 maketitle();
7545 #endif
7546 }
7547
7548 #ifdef FEAT_WINDOWS
7549 /*
7550 * if ":split file" worked, set alternate file name in old window to new
7551 * file
7552 */
7553 if (old_curwin != NULL
7554 && *eap->arg != NUL
7555 && curwin != old_curwin
7556 && win_valid(old_curwin)
7557 && old_curwin->w_buffer != curbuf
7558 && !cmdmod.keepalt)
7559 old_curwin->w_alt_fnum = curbuf->b_fnum;
7560 #endif
7561
7562 ex_no_reprint = TRUE;
7563 }
7564
7565 #ifndef FEAT_GUI
7566 /*
7567 * ":gui" and ":gvim" when there is no GUI.
7568 */
7569 static void
7570 ex_nogui(eap)
7571 exarg_T *eap;
7572 {
7573 eap->errmsg = e_nogvim;
7574 }
7575 #endif
7576
7577 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7578 static void
7579 ex_tearoff(eap)
7580 exarg_T *eap;
7581 {
7582 gui_make_tearoff(eap->arg);
7583 }
7584 #endif
7585
7586 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7587 static void
7588 ex_popup(eap)
7589 exarg_T *eap;
7590 {
7591 gui_make_popup(eap->arg, eap->forceit);
7592 }
7593 #endif
7594
7595 /*ARGSUSED*/
7596 static void
7597 ex_swapname(eap)
7598 exarg_T *eap;
7599 {
7600 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7601 MSG(_("No swap file"));
7602 else
7603 msg(curbuf->b_ml.ml_mfp->mf_fname);
7604 }
7605
7606 /*
7607 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7608 * offset.
7609 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7610 */
7611 /*ARGSUSED*/
7612 static void
7613 ex_syncbind(eap)
7614 exarg_T *eap;
7615 {
7616 #ifdef FEAT_SCROLLBIND
7617 win_T *wp;
7618 long topline;
7619 long y;
7620 linenr_T old_linenr = curwin->w_cursor.lnum;
7621
7622 setpcmark();
7623
7624 /*
7625 * determine max topline
7626 */
7627 if (curwin->w_p_scb)
7628 {
7629 topline = curwin->w_topline;
7630 for (wp = firstwin; wp; wp = wp->w_next)
7631 {
7632 if (wp->w_p_scb && wp->w_buffer)
7633 {
7634 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7635 if (topline > y)
7636 topline = y;
7637 }
7638 }
7639 if (topline < 1)
7640 topline = 1;
7641 }
7642 else
7643 {
7644 topline = 1;
7645 }
7646
7647
7648 /*
7649 * set all scrollbind windows to the same topline
7650 */
7651 wp = curwin;
7652 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7653 {
7654 if (curwin->w_p_scb)
7655 {
7656 y = topline - curwin->w_topline;
7657 if (y > 0)
7658 scrollup(y, TRUE);
7659 else
7660 scrolldown(-y, TRUE);
7661 curwin->w_scbind_pos = topline;
7662 redraw_later(VALID);
7663 cursor_correct();
7664 #ifdef FEAT_WINDOWS
7665 curwin->w_redr_status = TRUE;
7666 #endif
7667 }
7668 }
7669 curwin = wp;
7670 if (curwin->w_p_scb)
7671 {
7672 did_syncbind = TRUE;
7673 checkpcmark();
7674 if (old_linenr != curwin->w_cursor.lnum)
7675 {
7676 char_u ctrl_o[2];
7677
7678 ctrl_o[0] = Ctrl_O;
7679 ctrl_o[1] = 0;
7680 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7681 }
7682 }
7683 #endif
7684 }
7685
7686
7687 static void
7688 ex_read(eap)
7689 exarg_T *eap;
7690 {
7691 int i;
7692 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7693 linenr_T lnum;
7694
7695 if (eap->usefilter) /* :r!cmd */
7696 do_bang(1, eap, FALSE, FALSE, TRUE);
7697 else
7698 {
7699 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7700 return;
7701
7702 #ifdef FEAT_BROWSE
7703 if (cmdmod.browse)
7704 {
7705 char_u *browseFile;
7706
7707 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7708 NULL, NULL, NULL, curbuf);
7709 if (browseFile != NULL)
7710 {
7711 i = readfile(browseFile, NULL,
7712 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7713 vim_free(browseFile);
7714 }
7715 else
7716 i = OK;
7717 }
7718 else
7719 #endif
7720 if (*eap->arg == NUL)
7721 {
7722 if (check_fname() == FAIL) /* check for no file name */
7723 return;
7724 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7725 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7726 }
7727 else
7728 {
7729 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7730 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7731 i = readfile(eap->arg, NULL,
7732 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7733
7734 }
7735 if (i == FAIL)
7736 {
7737 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7738 if (!aborting())
7739 #endif
7740 EMSG2(_(e_notopen), eap->arg);
7741 }
7742 else
7743 {
7744 if (empty && exmode_active)
7745 {
7746 /* Delete the empty line that remains. Historically ex does
7747 * this but vi doesn't. */
7748 if (eap->line2 == 0)
7749 lnum = curbuf->b_ml.ml_line_count;
7750 else
7751 lnum = 1;
7752 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7753 {
7754 ml_delete(lnum, FALSE);
7755 deleted_lines_mark(lnum, 1L);
7756 if (curwin->w_cursor.lnum > 1
7757 && curwin->w_cursor.lnum >= lnum)
7758 --curwin->w_cursor.lnum;
7759 }
7760 }
7761 redraw_curbuf_later(VALID);
7762 }
7763 }
7764 }
7765
7766 static char_u *prev_dir = NULL;
7767
7768 #if defined(EXITFREE) || defined(PROTO)
7769 void
7770 free_cd_dir()
7771 {
7772 vim_free(prev_dir);
7773 }
7774 #endif
7775
7776
7777 /*
7778 * ":cd", ":lcd", ":chdir" and ":lchdir".
7779 */
7780 void
7781 ex_cd(eap)
7782 exarg_T *eap;
7783 {
7784 char_u *new_dir;
7785 char_u *tofree;
7786
7787 new_dir = eap->arg;
7788 #if !defined(UNIX) && !defined(VMS)
7789 /* for non-UNIX ":cd" means: print current directory */
7790 if (*new_dir == NUL)
7791 ex_pwd(NULL);
7792 else
7793 #endif
7794 {
7795 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7796 && !eap->forceit)
7797 {
7798 EMSG(_("E747: Cannot change directory, buffer is modifed (add ! to override)"));
7799 return;
7800 }
7801
7802 /* ":cd -": Change to previous directory */
7803 if (STRCMP(new_dir, "-") == 0)
7804 {
7805 if (prev_dir == NULL)
7806 {
7807 EMSG(_("E186: No previous directory"));
7808 return;
7809 }
7810 new_dir = prev_dir;
7811 }
7812
7813 /* Save current directory for next ":cd -" */
7814 tofree = prev_dir;
7815 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7816 prev_dir = vim_strsave(NameBuff);
7817 else
7818 prev_dir = NULL;
7819
7820 #if defined(UNIX) || defined(VMS)
7821 /* for UNIX ":cd" means: go to home directory */
7822 if (*new_dir == NUL)
7823 {
7824 /* use NameBuff for home directory name */
7825 # ifdef VMS
7826 char_u *p;
7827
7828 p = mch_getenv((char_u *)"SYS$LOGIN");
7829 if (p == NULL || *p == NUL) /* empty is the same as not set */
7830 NameBuff[0] = NUL;
7831 else
7832 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7833 # else
7834 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7835 # endif
7836 new_dir = NameBuff;
7837 }
7838 #endif
7839 if (new_dir == NULL || vim_chdir(new_dir))
7840 EMSG(_(e_failed));
7841 else
7842 {
7843 vim_free(curwin->w_localdir);
7844 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7845 {
7846 /* If still in global directory, need to remember current
7847 * directory as global directory. */
7848 if (globaldir == NULL && prev_dir != NULL)
7849 globaldir = vim_strsave(prev_dir);
7850 /* Remember this local directory for the window. */
7851 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7852 curwin->w_localdir = vim_strsave(NameBuff);
7853 }
7854 else
7855 {
7856 /* We are now in the global directory, no need to remember its
7857 * name. */
7858 vim_free(globaldir);
7859 globaldir = NULL;
7860 curwin->w_localdir = NULL;
7861 }
7862
7863 shorten_fnames(TRUE);
7864
7865 /* Echo the new current directory if the command was typed. */
7866 if (KeyTyped)
7867 ex_pwd(eap);
7868 }
7869 vim_free(tofree);
7870 }
7871 }
7872
7873 /*
7874 * ":pwd".
7875 */
7876 /*ARGSUSED*/
7877 static void
7878 ex_pwd(eap)
7879 exarg_T *eap;
7880 {
7881 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7882 {
7883 #ifdef BACKSLASH_IN_FILENAME
7884 slash_adjust(NameBuff);
7885 #endif
7886 msg(NameBuff);
7887 }
7888 else
7889 EMSG(_("E187: Unknown"));
7890 }
7891
7892 /*
7893 * ":=".
7894 */
7895 static void
7896 ex_equal(eap)
7897 exarg_T *eap;
7898 {
7899 smsg((char_u *)"%ld", (long)eap->line2);
7900 ex_may_print(eap);
7901 }
7902
7903 static void
7904 ex_sleep(eap)
7905 exarg_T *eap;
7906 {
7907 int n;
7908 long len;
7909
7910 if (cursor_valid())
7911 {
7912 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7913 if (n >= 0)
7914 windgoto((int)n, curwin->w_wcol);
7915 }
7916
7917 len = eap->line2;
7918 switch (*eap->arg)
7919 {
7920 case 'm': break;
7921 case NUL: len *= 1000L; break;
7922 default: EMSG2(_(e_invarg2), eap->arg); return;
7923 }
7924 do_sleep(len);
7925 }
7926
7927 /*
7928 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7929 */
7930 void
7931 do_sleep(msec)
7932 long msec;
7933 {
7934 long done;
7935
7936 cursor_on();
7937 out_flush();
7938 for (done = 0; !got_int && done < msec; done += 1000L)
7939 {
7940 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7941 ui_breakcheck();
7942 }
7943 }
7944
7945 static void
7946 do_exmap(eap, isabbrev)
7947 exarg_T *eap;
7948 int isabbrev;
7949 {
7950 int mode;
7951 char_u *cmdp;
7952
7953 cmdp = eap->cmd;
7954 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7955
7956 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7957 eap->arg, mode, isabbrev))
7958 {
7959 case 1: EMSG(_(e_invarg));
7960 break;
7961 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
7962 break;
7963 }
7964 }
7965
7966 /*
7967 * ":winsize" command (obsolete).
7968 */
7969 static void
7970 ex_winsize(eap)
7971 exarg_T *eap;
7972 {
7973 int w, h;
7974 char_u *arg = eap->arg;
7975 char_u *p;
7976
7977 w = getdigits(&arg);
7978 arg = skipwhite(arg);
7979 p = arg;
7980 h = getdigits(&arg);
7981 if (*p != NUL && *arg == NUL)
7982 set_shellsize(w, h, TRUE);
7983 else
7984 EMSG(_("E465: :winsize requires two number arguments"));
7985 }
7986
7987 #ifdef FEAT_WINDOWS
7988 static void
7989 ex_wincmd(eap)
7990 exarg_T *eap;
7991 {
7992 int xchar = NUL;
7993 char_u *p;
7994
7995 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
7996 {
7997 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
7998 if (eap->arg[1] == NUL)
7999 {
8000 EMSG(_(e_invarg));
8001 return;
8002 }
8003 xchar = eap->arg[1];
8004 p = eap->arg + 2;
8005 }
8006 else
8007 p = eap->arg + 1;
8008
8009 eap->nextcmd = check_nextcmd(p);
8010 p = skipwhite(p);
8011 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8012 EMSG(_(e_invarg));
8013 else
8014 {
8015 /* Pass flags on for ":vertical wincmd ]". */
8016 postponed_split_flags = cmdmod.split;
8017 postponed_split_tab = cmdmod.tab;
8018 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8019 postponed_split_flags = 0;
8020 postponed_split_tab = 0;
8021 }
8022 }
8023 #endif
8024
8025 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8026 /*
8027 * ":winpos".
8028 */
8029 static void
8030 ex_winpos(eap)
8031 exarg_T *eap;
8032 {
8033 int x, y;
8034 char_u *arg = eap->arg;
8035 char_u *p;
8036
8037 if (*arg == NUL)
8038 {
8039 # if defined(FEAT_GUI) || defined(MSWIN)
8040 # ifdef FEAT_GUI
8041 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8042 # else
8043 if (mch_get_winpos(&x, &y) != FAIL)
8044 # endif
8045 {
8046 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8047 msg(IObuff);
8048 }
8049 else
8050 # endif
8051 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8052 }
8053 else
8054 {
8055 x = getdigits(&arg);
8056 arg = skipwhite(arg);
8057 p = arg;
8058 y = getdigits(&arg);
8059 if (*p == NUL || *arg != NUL)
8060 {
8061 EMSG(_("E466: :winpos requires two number arguments"));
8062 return;
8063 }
8064 # ifdef FEAT_GUI
8065 if (gui.in_use)
8066 gui_mch_set_winpos(x, y);
8067 else if (gui.starting)
8068 {
8069 /* Remember the coordinates for when the window is opened. */
8070 gui_win_x = x;
8071 gui_win_y = y;
8072 }
8073 # ifdef HAVE_TGETENT
8074 else
8075 # endif
8076 # else
8077 # ifdef MSWIN
8078 mch_set_winpos(x, y);
8079 # endif
8080 # endif
8081 # ifdef HAVE_TGETENT
8082 if (*T_CWP)
8083 term_set_winpos(x, y);
8084 # endif
8085 }
8086 }
8087 #endif
8088
8089 /*
8090 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8091 */
8092 static void
8093 ex_operators(eap)
8094 exarg_T *eap;
8095 {
8096 oparg_T oa;
8097
8098 clear_oparg(&oa);
8099 oa.regname = eap->regname;
8100 oa.start.lnum = eap->line1;
8101 oa.end.lnum = eap->line2;
8102 oa.line_count = eap->line2 - eap->line1 + 1;
8103 oa.motion_type = MLINE;
8104 #ifdef FEAT_VIRTUALEDIT
8105 virtual_op = FALSE;
8106 #endif
8107 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8108 {
8109 setpcmark();
8110 curwin->w_cursor.lnum = eap->line1;
8111 beginline(BL_SOL | BL_FIX);
8112 }
8113
8114 switch (eap->cmdidx)
8115 {
8116 case CMD_delete:
8117 oa.op_type = OP_DELETE;
8118 op_delete(&oa);
8119 break;
8120
8121 case CMD_yank:
8122 oa.op_type = OP_YANK;
8123 (void)op_yank(&oa, FALSE, TRUE);
8124 break;
8125
8126 default: /* CMD_rshift or CMD_lshift */
8127 if ((eap->cmdidx == CMD_rshift)
8128 #ifdef FEAT_RIGHTLEFT
8129 ^ curwin->w_p_rl
8130 #endif
8131 )
8132 oa.op_type = OP_RSHIFT;
8133 else
8134 oa.op_type = OP_LSHIFT;
8135 op_shift(&oa, FALSE, eap->amount);
8136 break;
8137 }
8138 #ifdef FEAT_VIRTUALEDIT
8139 virtual_op = MAYBE;
8140 #endif
8141 ex_may_print(eap);
8142 }
8143
8144 /*
8145 * ":put".
8146 */
8147 static void
8148 ex_put(eap)
8149 exarg_T *eap;
8150 {
8151 /* ":0put" works like ":1put!". */
8152 if (eap->line2 == 0)
8153 {
8154 eap->line2 = 1;
8155 eap->forceit = TRUE;
8156 }
8157 curwin->w_cursor.lnum = eap->line2;
8158 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8159 PUT_LINE|PUT_CURSLINE);
8160 }
8161
8162 /*
8163 * Handle ":copy" and ":move".
8164 */
8165 static void
8166 ex_copymove(eap)
8167 exarg_T *eap;
8168 {
8169 long n;
8170
8171 n = get_address(&eap->arg, FALSE, FALSE);
8172 if (eap->arg == NULL) /* error detected */
8173 {
8174 eap->nextcmd = NULL;
8175 return;
8176 }
8177 get_flags(eap);
8178
8179 /*
8180 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8181 */
8182 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8183 {
8184 EMSG(_(e_invaddr));
8185 return;
8186 }
8187
8188 if (eap->cmdidx == CMD_move)
8189 {
8190 if (do_move(eap->line1, eap->line2, n) == FAIL)
8191 return;
8192 }
8193 else
8194 ex_copy(eap->line1, eap->line2, n);
8195 u_clearline();
8196 beginline(BL_SOL | BL_FIX);
8197 ex_may_print(eap);
8198 }
8199
8200 /*
8201 * Print the current line if flags were given to the Ex command.
8202 */
8203 static void
8204 ex_may_print(eap)
8205 exarg_T *eap;
8206 {
8207 if (eap->flags != 0)
8208 {
8209 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8210 (eap->flags & EXFLAG_LIST));
8211 ex_no_reprint = TRUE;
8212 }
8213 }
8214
8215 /*
8216 * ":smagic" and ":snomagic".
8217 */
8218 static void
8219 ex_submagic(eap)
8220 exarg_T *eap;
8221 {
8222 int magic_save = p_magic;
8223
8224 p_magic = (eap->cmdidx == CMD_smagic);
8225 do_sub(eap);
8226 p_magic = magic_save;
8227 }
8228
8229 /*
8230 * ":join".
8231 */
8232 static void
8233 ex_join(eap)
8234 exarg_T *eap;
8235 {
8236 curwin->w_cursor.lnum = eap->line1;
8237 if (eap->line1 == eap->line2)
8238 {
8239 if (eap->addr_count >= 2) /* :2,2join does nothing */
8240 return;
8241 if (eap->line2 == curbuf->b_ml.ml_line_count)
8242 {
8243 beep_flush();
8244 return;
8245 }
8246 ++eap->line2;
8247 }
8248 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8249 beginline(BL_WHITE | BL_FIX);
8250 ex_may_print(eap);
8251 }
8252
8253 /*
8254 * ":[addr]@r" or ":[addr]*r": execute register
8255 */
8256 static void
8257 ex_at(eap)
8258 exarg_T *eap;
8259 {
8260 int c;
8261
8262 curwin->w_cursor.lnum = eap->line2;
8263
8264 #ifdef USE_ON_FLY_SCROLL
8265 dont_scroll = TRUE; /* disallow scrolling here */
8266 #endif
8267
8268 /* get the register name. No name means to use the previous one */
8269 c = *eap->arg;
8270 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8271 c = '@';
8272 /* Put the register in the typeahead buffer with the "silent" flag. */
8273 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8274 == FAIL)
8275 {
8276 beep_flush();
8277 }
8278 else
8279 {
8280 int save_efr = exec_from_reg;
8281
8282 exec_from_reg = TRUE;
8283
8284 /*
8285 * Execute from the typeahead buffer.
8286 * Originally this didn't check for the typeahead buffer to be empty,
8287 * thus could read more Ex commands from stdin. It's not clear why,
8288 * it is certainly unexpected.
8289 */
8290 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8291 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8292
8293 exec_from_reg = save_efr;
8294 }
8295 }
8296
8297 /*
8298 * ":!".
8299 */
8300 static void
8301 ex_bang(eap)
8302 exarg_T *eap;
8303 {
8304 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8305 }
8306
8307 /*
8308 * ":undo".
8309 */
8310 /*ARGSUSED*/
8311 static void
8312 ex_undo(eap)
8313 exarg_T *eap;
8314 {
8315 if (eap->addr_count == 1) /* :undo 123 */
8316 undo_time(eap->line2, FALSE, TRUE);
8317 else
8318 u_undo(1);
8319 }
8320
8321 /*
8322 * ":redo".
8323 */
8324 /*ARGSUSED*/
8325 static void
8326 ex_redo(eap)
8327 exarg_T *eap;
8328 {
8329 u_redo(1);
8330 }
8331
8332 /*
8333 * ":earlier" and ":later".
8334 */
8335 /*ARGSUSED*/
8336 static void
8337 ex_later(eap)
8338 exarg_T *eap;
8339 {
8340 long count = 0;
8341 int sec = FALSE;
8342 char_u *p = eap->arg;
8343
8344 if (*p == NUL)
8345 count = 1;
8346 else if (isdigit(*p))
8347 {
8348 count = getdigits(&p);
8349 switch (*p)
8350 {
8351 case 's': ++p; sec = TRUE; break;
8352 case 'm': ++p; sec = TRUE; count *= 60; break;
8353 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8354 }
8355 }
8356
8357 if (*p != NUL)
8358 EMSG2(_(e_invarg2), eap->arg);
8359 else
8360 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8361 }
8362
8363 /*
8364 * ":redir": start/stop redirection.
8365 */
8366 static void
8367 ex_redir(eap)
8368 exarg_T *eap;
8369 {
8370 char *mode;
8371 char_u *fname;
8372 char_u *arg = eap->arg;
8373
8374 if (STRICMP(eap->arg, "END") == 0)
8375 close_redir();
8376 else
8377 {
8378 if (*arg == '>')
8379 {
8380 ++arg;
8381 if (*arg == '>')
8382 {
8383 ++arg;
8384 mode = "a";
8385 }
8386 else
8387 mode = "w";
8388 arg = skipwhite(arg);
8389
8390 close_redir();
8391
8392 /* Expand environment variables and "~/". */
8393 fname = expand_env_save(arg);
8394 if (fname == NULL)
8395 return;
8396 #ifdef FEAT_BROWSE
8397 if (cmdmod.browse)
8398 {
8399 char_u *browseFile;
8400
8401 browseFile = do_browse(BROWSE_SAVE,
8402 (char_u *)_("Save Redirection"),
8403 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8404 if (browseFile == NULL)
8405 return; /* operation cancelled */
8406 vim_free(fname);
8407 fname = browseFile;
8408 eap->forceit = TRUE; /* since dialog already asked */
8409 }
8410 #endif
8411
8412 redir_fd = open_exfile(fname, eap->forceit, mode);
8413 vim_free(fname);
8414 }
8415 #ifdef FEAT_EVAL
8416 else if (*arg == '@')
8417 {
8418 /* redirect to a register a-z (resp. A-Z for appending) */
8419 close_redir();
8420 ++arg;
8421 if (ASCII_ISALPHA(*arg)
8422 # ifdef FEAT_CLIPBOARD
8423 || *arg == '*'
8424 || *arg == '+'
8425 # endif
8426 || *arg == '"')
8427 {
8428 redir_reg = *arg++;
8429 if (*arg == '>' && arg[1] == '>')
8430 arg += 2;
8431 else if ((*arg == NUL || (*arg == '>' && arg[1] == NUL)) &&
8432 (islower(redir_reg)
8433 # ifdef FEAT_CLIPBOARD
8434 || redir_reg == '*'
8435 || redir_reg == '+'
8436 # endif
8437 || redir_reg == '"'))
8438 {
8439 if (*arg == '>')
8440 arg++;
8441
8442 /* make register empty */
8443 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8444 }
8445 }
8446 if (*arg != NUL)
8447 {
8448 redir_reg = 0;
8449 EMSG2(_(e_invarg2), eap->arg);
8450 }
8451 }
8452 else if (*arg == '=' && arg[1] == '>')
8453 {
8454 int append;
8455
8456 /* redirect to a variable */
8457 close_redir();
8458 arg += 2;
8459
8460 if (*arg == '>')
8461 {
8462 ++arg;
8463 append = TRUE;
8464 }
8465 else
8466 append = FALSE;
8467
8468 if (var_redir_start(skipwhite(arg), append) == OK)
8469 redir_vname = 1;
8470 }
8471 #endif
8472
8473 /* TODO: redirect to a buffer */
8474
8475 else
8476 EMSG2(_(e_invarg2), eap->arg);
8477 }
8478
8479 /* Make sure redirection is not off. Can happen for cmdline completion
8480 * that indirectly invokes a command to catch its output. */
8481 if (redir_fd != NULL
8482 #ifdef FEAT_EVAL
8483 || redir_reg || redir_vname
8484 #endif
8485 )
8486 redir_off = FALSE;
8487 }
8488
8489 /*
8490 * ":redraw": force redraw
8491 */
8492 static void
8493 ex_redraw(eap)
8494 exarg_T *eap;
8495 {
8496 int r = RedrawingDisabled;
8497 int p = p_lz;
8498
8499 RedrawingDisabled = 0;
8500 p_lz = FALSE;
8501 update_topline();
8502 update_screen(eap->forceit ? CLEAR :
8503 #ifdef FEAT_VISUAL
8504 VIsual_active ? INVERTED :
8505 #endif
8506 0);
8507 #ifdef FEAT_TITLE
8508 if (need_maketitle)
8509 maketitle();
8510 #endif
8511 RedrawingDisabled = r;
8512 p_lz = p;
8513
8514 /* Reset msg_didout, so that a message that's there is overwritten. */
8515 msg_didout = FALSE;
8516 msg_col = 0;
8517
8518 out_flush();
8519 }
8520
8521 /*
8522 * ":redrawstatus": force redraw of status line(s)
8523 */
8524 /*ARGSUSED*/
8525 static void
8526 ex_redrawstatus(eap)
8527 exarg_T *eap;
8528 {
8529 #if defined(FEAT_WINDOWS)
8530 int r = RedrawingDisabled;
8531 int p = p_lz;
8532
8533 RedrawingDisabled = 0;
8534 p_lz = FALSE;
8535 if (eap->forceit)
8536 status_redraw_all();
8537 else
8538 status_redraw_curbuf();
8539 update_screen(
8540 # ifdef FEAT_VISUAL
8541 VIsual_active ? INVERTED :
8542 # endif
8543 0);
8544 RedrawingDisabled = r;
8545 p_lz = p;
8546 out_flush();
8547 #endif
8548 }
8549
8550 static void
8551 close_redir()
8552 {
8553 if (redir_fd != NULL)
8554 {
8555 fclose(redir_fd);
8556 redir_fd = NULL;
8557 }
8558 #ifdef FEAT_EVAL
8559 redir_reg = 0;
8560 if (redir_vname)
8561 {
8562 var_redir_stop();
8563 redir_vname = 0;
8564 }
8565 #endif
8566 }
8567
8568 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8569 # define MKSESSION_NL
8570 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8571 #endif
8572
8573 /*
8574 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8575 */
8576 static void
8577 ex_mkrc(eap)
8578 exarg_T *eap;
8579 {
8580 FILE *fd;
8581 int failed = FALSE;
8582 char_u *fname;
8583 #ifdef FEAT_BROWSE
8584 char_u *browseFile = NULL;
8585 #endif
8586 #ifdef FEAT_SESSION
8587 int view_session = FALSE;
8588 int using_vdir = FALSE; /* using 'viewdir'? */
8589 char_u *viewFile = NULL;
8590 unsigned *flagp;
8591 #endif
8592
8593 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8594 {
8595 #ifdef FEAT_SESSION
8596 view_session = TRUE;
8597 #else
8598 ex_ni(eap);
8599 return;
8600 #endif
8601 }
8602
8603 #ifdef FEAT_SESSION
8604 did_lcd = FALSE;
8605
8606 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8607 if (eap->cmdidx == CMD_mkview
8608 && (*eap->arg == NUL
8609 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8610 {
8611 eap->forceit = TRUE;
8612 fname = get_view_file(*eap->arg);
8613 if (fname == NULL)
8614 return;
8615 viewFile = fname;
8616 using_vdir = TRUE;
8617 }
8618 else
8619 #endif
8620 if (*eap->arg != NUL)
8621 fname = eap->arg;
8622 else if (eap->cmdidx == CMD_mkvimrc)
8623 fname = (char_u *)VIMRC_FILE;
8624 #ifdef FEAT_SESSION
8625 else if (eap->cmdidx == CMD_mksession)
8626 fname = (char_u *)SESSION_FILE;
8627 #endif
8628 else
8629 fname = (char_u *)EXRC_FILE;
8630
8631 #ifdef FEAT_BROWSE
8632 if (cmdmod.browse)
8633 {
8634 browseFile = do_browse(BROWSE_SAVE,
8635 # ifdef FEAT_SESSION
8636 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8637 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8638 # endif
8639 (char_u *)_("Save Setup"),
8640 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8641 if (browseFile == NULL)
8642 goto theend;
8643 fname = browseFile;
8644 eap->forceit = TRUE; /* since dialog already asked */
8645 }
8646 #endif
8647
8648 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8649 /* When using 'viewdir' may have to create the directory. */
8650 if (using_vdir && !mch_isdir(p_vdir))
8651 vim_mkdir_emsg(p_vdir, 0755);
8652 #endif
8653
8654 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8655 if (fd != NULL)
8656 {
8657 #ifdef FEAT_SESSION
8658 if (eap->cmdidx == CMD_mkview)
8659 flagp = &vop_flags;
8660 else
8661 flagp = &ssop_flags;
8662 #endif
8663
8664 #ifdef MKSESSION_NL
8665 /* "unix" in 'sessionoptions': use NL line separator */
8666 if (view_session && (*flagp & SSOP_UNIX))
8667 mksession_nl = TRUE;
8668 #endif
8669
8670 /* Write the version command for :mkvimrc */
8671 if (eap->cmdidx == CMD_mkvimrc)
8672 (void)put_line(fd, "version 6.0");
8673
8674 #ifdef FEAT_SESSION
8675 if (eap->cmdidx == CMD_mksession)
8676 {
8677 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8678 failed = TRUE;
8679 }
8680
8681 if (eap->cmdidx != CMD_mkview)
8682 #endif
8683 {
8684 /* Write setting 'compatible' first, because it has side effects.
8685 * For that same reason only do it when needed. */
8686 if (p_cp)
8687 (void)put_line(fd, "if !&cp | set cp | endif");
8688 else
8689 (void)put_line(fd, "if &cp | set nocp | endif");
8690 }
8691
8692 #ifdef FEAT_SESSION
8693 if (!view_session
8694 || (eap->cmdidx == CMD_mksession
8695 && (*flagp & SSOP_OPTIONS)))
8696 #endif
8697 failed |= (makemap(fd, NULL) == FAIL
8698 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8699
8700 #ifdef FEAT_SESSION
8701 if (!failed && view_session)
8702 {
8703 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8704 failed = TRUE;
8705 if (eap->cmdidx == CMD_mksession)
8706 {
8707 char_u dirnow[MAXPATHL]; /* current directory */
8708
8709 /*
8710 * Change to session file's dir.
8711 */
8712 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8713 || mch_chdir((char *)dirnow) != 0)
8714 *dirnow = NUL;
8715 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8716 {
8717 if (vim_chdirfile(fname) == OK)
8718 shorten_fnames(TRUE);
8719 }
8720 else if (*dirnow != NUL
8721 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8722 {
8723 (void)mch_chdir((char *)globaldir);
8724 shorten_fnames(TRUE);
8725 }
8726
8727 failed |= (makeopens(fd, dirnow) == FAIL);
8728
8729 /* restore original dir */
8730 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8731 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8732 {
8733 if (mch_chdir((char *)dirnow) != 0)
8734 EMSG(_(e_prev_dir));
8735 shorten_fnames(TRUE);
8736 }
8737 }
8738 else
8739 {
8740 failed |= (put_view(fd, curwin, !using_vdir, flagp) == FAIL);
8741 }
8742 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8743 == FAIL)
8744 failed = TRUE;
8745 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8746 failed = TRUE;
8747 if (eap->cmdidx == CMD_mksession)
8748 {
8749 if (put_line(fd, "unlet SessionLoad") == FAIL)
8750 failed = TRUE;
8751 }
8752 }
8753 #endif
8754 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8755 failed = TRUE;
8756
8757 failed |= fclose(fd);
8758
8759 if (failed)
8760 EMSG(_(e_write));
8761 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8762 else if (eap->cmdidx == CMD_mksession)
8763 {
8764 /* successful session write - set this_session var */
8765 char_u tbuf[MAXPATHL];
8766
8767 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8768 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8769 }
8770 #endif
8771 #ifdef MKSESSION_NL
8772 mksession_nl = FALSE;
8773 #endif
8774 }
8775
8776 #ifdef FEAT_BROWSE
8777 theend:
8778 vim_free(browseFile);
8779 #endif
8780 #ifdef FEAT_SESSION
8781 vim_free(viewFile);
8782 #endif
8783 }
8784
8785 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8786 || defined(PROTO)
8787 /*ARGSUSED*/
8788 int
8789 vim_mkdir_emsg(name, prot)
8790 char_u *name;
8791 int prot;
8792 {
8793 if (vim_mkdir(name, prot) != 0)
8794 {
8795 EMSG2(_("E739: Cannot create directory: %s"), name);
8796 return FAIL;
8797 }
8798 return OK;
8799 }
8800 #endif
8801
8802 /*
8803 * Open a file for writing for an Ex command, with some checks.
8804 * Return file descriptor, or NULL on failure.
8805 */
8806 FILE *
8807 open_exfile(fname, forceit, mode)
8808 char_u *fname;
8809 int forceit;
8810 char *mode; /* "w" for create new file or "a" for append */
8811 {
8812 FILE *fd;
8813
8814 #ifdef UNIX
8815 /* with Unix it is possible to open a directory */
8816 if (mch_isdir(fname))
8817 {
8818 EMSG2(_(e_isadir2), fname);
8819 return NULL;
8820 }
8821 #endif
8822 if (!forceit && *mode != 'a' && vim_fexists(fname))
8823 {
8824 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8825 return NULL;
8826 }
8827
8828 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8829 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8830
8831 return fd;
8832 }
8833
8834 /*
8835 * ":mark" and ":k".
8836 */
8837 static void
8838 ex_mark(eap)
8839 exarg_T *eap;
8840 {
8841 pos_T pos;
8842
8843 if (*eap->arg == NUL) /* No argument? */
8844 EMSG(_(e_argreq));
8845 else if (eap->arg[1] != NUL) /* more than one character? */
8846 EMSG(_(e_trailing));
8847 else
8848 {
8849 pos = curwin->w_cursor; /* save curwin->w_cursor */
8850 curwin->w_cursor.lnum = eap->line2;
8851 beginline(BL_WHITE | BL_FIX);
8852 if (setmark(*eap->arg) == FAIL) /* set mark */
8853 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8854 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8855 }
8856 }
8857
8858 /*
8859 * Update w_topline, w_leftcol and the cursor position.
8860 */
8861 void
8862 update_topline_cursor()
8863 {
8864 check_cursor(); /* put cursor on valid line */
8865 update_topline();
8866 if (!curwin->w_p_wrap)
8867 validate_cursor();
8868 update_curswant();
8869 }
8870
8871 #ifdef FEAT_EX_EXTRA
8872 /*
8873 * ":normal[!] {commands}": Execute normal mode commands.
8874 */
8875 static void
8876 ex_normal(eap)
8877 exarg_T *eap;
8878 {
8879 int save_msg_scroll = msg_scroll;
8880 int save_restart_edit = restart_edit;
8881 int save_msg_didout = msg_didout;
8882 int save_State = State;
8883 tasave_T tabuf;
8884 int save_insertmode = p_im;
8885 int save_finish_op = finish_op;
8886 #ifdef FEAT_MBYTE
8887 char_u *arg = NULL;
8888 int l;
8889 char_u *p;
8890 #endif
8891
8892 if (ex_normal_lock > 0)
8893 {
8894 EMSG(_(e_secure));
8895 return;
8896 }
8897 if (ex_normal_busy >= p_mmd)
8898 {
8899 EMSG(_("E192: Recursive use of :normal too deep"));
8900 return;
8901 }
8902 ++ex_normal_busy;
8903
8904 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8905 restart_edit = 0; /* don't go to Insert mode */
8906 p_im = FALSE; /* don't use 'insertmode' */
8907
8908 #ifdef FEAT_MBYTE
8909 /*
8910 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8911 * this for the K_SPECIAL leading byte, otherwise special keys will not
8912 * work.
8913 */
8914 if (has_mbyte)
8915 {
8916 int len = 0;
8917
8918 /* Count the number of characters to be escaped. */
8919 for (p = eap->arg; *p != NUL; ++p)
8920 {
8921 # ifdef FEAT_GUI
8922 if (*p == CSI) /* leadbyte CSI */
8923 len += 2;
8924 # endif
8925 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8926 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8927 # ifdef FEAT_GUI
8928 || *p == CSI
8929 # endif
8930 )
8931 len += 2;
8932 }
8933 if (len > 0)
8934 {
8935 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8936 if (arg != NULL)
8937 {
8938 len = 0;
8939 for (p = eap->arg; *p != NUL; ++p)
8940 {
8941 arg[len++] = *p;
8942 # ifdef FEAT_GUI
8943 if (*p == CSI)
8944 {
8945 arg[len++] = KS_EXTRA;
8946 arg[len++] = (int)KE_CSI;
8947 }
8948 # endif
8949 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8950 {
8951 arg[len++] = *++p;
8952 if (*p == K_SPECIAL)
8953 {
8954 arg[len++] = KS_SPECIAL;
8955 arg[len++] = KE_FILLER;
8956 }
8957 # ifdef FEAT_GUI
8958 else if (*p == CSI)
8959 {
8960 arg[len++] = KS_EXTRA;
8961 arg[len++] = (int)KE_CSI;
8962 }
8963 # endif
8964 }
8965 arg[len] = NUL;
8966 }
8967 }
8968 }
8969 }
8970 #endif
8971
8972 /*
8973 * Save the current typeahead. This is required to allow using ":normal"
8974 * from an event handler and makes sure we don't hang when the argument
8975 * ends with half a command.
8976 */
8977 save_typeahead(&tabuf);
8978 if (tabuf.typebuf_valid)
8979 {
8980 /*
8981 * Repeat the :normal command for each line in the range. When no
8982 * range given, execute it just once, without positioning the cursor
8983 * first.
8984 */
8985 do
8986 {
8987 if (eap->addr_count != 0)
8988 {
8989 curwin->w_cursor.lnum = eap->line1++;
8990 curwin->w_cursor.col = 0;
8991 }
8992
8993 exec_normal_cmd(
8994 #ifdef FEAT_MBYTE
8995 arg != NULL ? arg :
8996 #endif
8997 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
8998 }
8999 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9000 }
9001
9002 /* Might not return to the main loop when in an event handler. */
9003 update_topline_cursor();
9004
9005 /* Restore the previous typeahead. */
9006 restore_typeahead(&tabuf);
9007
9008 --ex_normal_busy;
9009 msg_scroll = save_msg_scroll;
9010 restart_edit = save_restart_edit;
9011 p_im = save_insertmode;
9012 finish_op = save_finish_op;
9013 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9014
9015 /* Restore the state (needed when called from a function executed for
9016 * 'indentexpr'). */
9017 State = save_State;
9018 #ifdef FEAT_MBYTE
9019 vim_free(arg);
9020 #endif
9021 }
9022
9023 /*
9024 * ":startinsert", ":startreplace" and ":startgreplace"
9025 */
9026 static void
9027 ex_startinsert(eap)
9028 exarg_T *eap;
9029 {
9030 if (eap->forceit)
9031 {
9032 coladvance((colnr_T)MAXCOL);
9033 curwin->w_curswant = MAXCOL;
9034 curwin->w_set_curswant = FALSE;
9035 }
9036
9037 /* Ignore the command when already in Insert mode. Inserting an
9038 * expression register that invokes a function can do this. */
9039 if (State & INSERT)
9040 return;
9041
9042 if (eap->cmdidx == CMD_startinsert)
9043 restart_edit = 'a';
9044 else if (eap->cmdidx == CMD_startreplace)
9045 restart_edit = 'R';
9046 else
9047 restart_edit = 'V';
9048
9049 if (!eap->forceit)
9050 {
9051 if (eap->cmdidx == CMD_startinsert)
9052 restart_edit = 'i';
9053 curwin->w_curswant = 0; /* avoid MAXCOL */
9054 }
9055 }
9056
9057 /*
9058 * ":stopinsert"
9059 */
9060 /*ARGSUSED*/
9061 static void
9062 ex_stopinsert(eap)
9063 exarg_T *eap;
9064 {
9065 restart_edit = 0;
9066 stop_insert_mode = TRUE;
9067 }
9068 #endif
9069
9070 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9071 /*
9072 * Execute normal mode command "cmd".
9073 * "remap" can be REMAP_NONE or REMAP_YES.
9074 */
9075 void
9076 exec_normal_cmd(cmd, remap, silent)
9077 char_u *cmd;
9078 int remap;
9079 int silent;
9080 {
9081 oparg_T oa;
9082
9083 /*
9084 * Stuff the argument into the typeahead buffer.
9085 * Execute normal_cmd() until there is no typeahead left.
9086 */
9087 clear_oparg(&oa);
9088 finish_op = FALSE;
9089 ins_typebuf(cmd, remap, 0, TRUE, silent);
9090 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9091 && !got_int)
9092 {
9093 update_topline_cursor();
9094 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9095 }
9096 }
9097 #endif
9098
9099 #ifdef FEAT_FIND_ID
9100 static void
9101 ex_checkpath(eap)
9102 exarg_T *eap;
9103 {
9104 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9105 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9106 (linenr_T)1, (linenr_T)MAXLNUM);
9107 }
9108
9109 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9110 /*
9111 * ":psearch"
9112 */
9113 static void
9114 ex_psearch(eap)
9115 exarg_T *eap;
9116 {
9117 g_do_tagpreview = p_pvh;
9118 ex_findpat(eap);
9119 g_do_tagpreview = 0;
9120 }
9121 #endif
9122
9123 static void
9124 ex_findpat(eap)
9125 exarg_T *eap;
9126 {
9127 int whole = TRUE;
9128 long n;
9129 char_u *p;
9130 int action;
9131
9132 switch (cmdnames[eap->cmdidx].cmd_name[2])
9133 {
9134 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9135 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9136 action = ACTION_GOTO;
9137 else
9138 action = ACTION_SHOW;
9139 break;
9140 case 'i': /* ":ilist" and ":dlist" */
9141 action = ACTION_SHOW_ALL;
9142 break;
9143 case 'u': /* ":ijump" and ":djump" */
9144 action = ACTION_GOTO;
9145 break;
9146 default: /* ":isplit" and ":dsplit" */
9147 action = ACTION_SPLIT;
9148 break;
9149 }
9150
9151 n = 1;
9152 if (vim_isdigit(*eap->arg)) /* get count */
9153 {
9154 n = getdigits(&eap->arg);
9155 eap->arg = skipwhite(eap->arg);
9156 }
9157 if (*eap->arg == '/') /* Match regexp, not just whole words */
9158 {
9159 whole = FALSE;
9160 ++eap->arg;
9161 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9162 if (*p)
9163 {
9164 *p++ = NUL;
9165 p = skipwhite(p);
9166
9167 /* Check for trailing illegal characters */
9168 if (!ends_excmd(*p))
9169 eap->errmsg = e_trailing;
9170 else
9171 eap->nextcmd = check_nextcmd(p);
9172 }
9173 }
9174 if (!eap->skip)
9175 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9176 whole, !eap->forceit,
9177 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9178 n, action, eap->line1, eap->line2);
9179 }
9180 #endif
9181
9182 #ifdef FEAT_WINDOWS
9183
9184 # ifdef FEAT_QUICKFIX
9185 /*
9186 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9187 */
9188 static void
9189 ex_ptag(eap)
9190 exarg_T *eap;
9191 {
9192 g_do_tagpreview = p_pvh;
9193 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9194 }
9195
9196 /*
9197 * ":pedit"
9198 */
9199 static void
9200 ex_pedit(eap)
9201 exarg_T *eap;
9202 {
9203 win_T *curwin_save = curwin;
9204
9205 g_do_tagpreview = p_pvh;
9206 prepare_tagpreview(TRUE);
9207 keep_help_flag = curwin_save->w_buffer->b_help;
9208 do_exedit(eap, NULL);
9209 keep_help_flag = FALSE;
9210 if (curwin != curwin_save && win_valid(curwin_save))
9211 {
9212 /* Return cursor to where we were */
9213 validate_cursor();
9214 redraw_later(VALID);
9215 win_enter(curwin_save, TRUE);
9216 }
9217 g_do_tagpreview = 0;
9218 }
9219 # endif
9220
9221 /*
9222 * ":stag", ":stselect" and ":stjump".
9223 */
9224 static void
9225 ex_stag(eap)
9226 exarg_T *eap;
9227 {
9228 postponed_split = -1;
9229 postponed_split_flags = cmdmod.split;
9230 postponed_split_tab = cmdmod.tab;
9231 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9232 postponed_split_flags = 0;
9233 postponed_split_tab = 0;
9234 }
9235 #endif
9236
9237 /*
9238 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9239 */
9240 static void
9241 ex_tag(eap)
9242 exarg_T *eap;
9243 {
9244 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9245 }
9246
9247 static void
9248 ex_tag_cmd(eap, name)
9249 exarg_T *eap;
9250 char_u *name;
9251 {
9252 int cmd;
9253
9254 switch (name[1])
9255 {
9256 case 'j': cmd = DT_JUMP; /* ":tjump" */
9257 break;
9258 case 's': cmd = DT_SELECT; /* ":tselect" */
9259 break;
9260 case 'p': cmd = DT_PREV; /* ":tprevious" */
9261 break;
9262 case 'N': cmd = DT_PREV; /* ":tNext" */
9263 break;
9264 case 'n': cmd = DT_NEXT; /* ":tnext" */
9265 break;
9266 case 'o': cmd = DT_POP; /* ":pop" */
9267 break;
9268 case 'f': /* ":tfirst" */
9269 case 'r': cmd = DT_FIRST; /* ":trewind" */
9270 break;
9271 case 'l': cmd = DT_LAST; /* ":tlast" */
9272 break;
9273 default: /* ":tag" */
9274 #ifdef FEAT_CSCOPE
9275 if (p_cst)
9276 {
9277 do_cstag(eap);
9278 return;
9279 }
9280 #endif
9281 cmd = DT_TAG;
9282 break;
9283 }
9284
9285 if (name[0] == 'l')
9286 {
9287 #ifndef FEAT_QUICKFIX
9288 ex_ni(eap);
9289 return;
9290 #else
9291 cmd = DT_LTAG;
9292 #endif
9293 }
9294
9295 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9296 eap->forceit, TRUE);
9297 }
9298
9299 /*
9300 * Evaluate cmdline variables.
9301 *
9302 * change '%' to curbuf->b_ffname
9303 * '#' to curwin->w_altfile
9304 * '<cword>' to word under the cursor
9305 * '<cWORD>' to WORD under the cursor
9306 * '<cfile>' to path name under the cursor
9307 * '<sfile>' to sourced file name
9308 * '<afile>' to file name for autocommand
9309 * '<abuf>' to buffer number for autocommand
9310 * '<amatch>' to matching name for autocommand
9311 *
9312 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9313 * "" for error without a message) and NULL is returned.
9314 * Returns an allocated string if a valid match was found.
9315 * Returns NULL if no match was found. "usedlen" then still contains the
9316 * number of characters to skip.
9317 */
9318 char_u *
9319 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9320 char_u *src; /* pointer into commandline */
9321 char_u *srcstart; /* beginning of valid memory for src */
9322 int *usedlen; /* characters after src that are used */
9323 linenr_T *lnump; /* line number for :e command, or NULL */
9324 char_u **errormsg; /* pointer to error message */
9325 int *escaped; /* return value has escaped white space (can
9326 * be NULL) */
9327 {
9328 int i;
9329 char_u *s;
9330 char_u *result;
9331 char_u *resultbuf = NULL;
9332 int resultlen;
9333 buf_T *buf;
9334 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9335 int spec_idx;
9336 #ifdef FEAT_MODIFY_FNAME
9337 int skip_mod = FALSE;
9338 #endif
9339 static char *(spec_str[]) =
9340 {
9341 "%",
9342 #define SPEC_PERC 0
9343 "#",
9344 #define SPEC_HASH 1
9345 "<cword>", /* cursor word */
9346 #define SPEC_CWORD 2
9347 "<cWORD>", /* cursor WORD */
9348 #define SPEC_CCWORD 3
9349 "<cfile>", /* cursor path name */
9350 #define SPEC_CFILE 4
9351 "<sfile>", /* ":so" file name */
9352 #define SPEC_SFILE 5
9353 #ifdef FEAT_AUTOCMD
9354 "<afile>", /* autocommand file name */
9355 # define SPEC_AFILE 6
9356 "<abuf>", /* autocommand buffer number */
9357 # define SPEC_ABUF 7
9358 "<amatch>", /* autocommand match name */
9359 # define SPEC_AMATCH 8
9360 #endif
9361 #ifdef FEAT_CLIENTSERVER
9362 "<client>"
9363 # define SPEC_CLIENT 9
9364 #endif
9365 };
9366 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9367
9368 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9369 char_u strbuf[30];
9370 #endif
9371
9372 *errormsg = NULL;
9373 if (escaped != NULL)
9374 *escaped = FALSE;
9375
9376 /*
9377 * Check if there is something to do.
9378 */
9379 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9380 {
9381 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9382 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9383 break;
9384 }
9385 if (spec_idx == SPEC_COUNT) /* no match */
9386 {
9387 *usedlen = 1;
9388 return NULL;
9389 }
9390
9391 /*
9392 * Skip when preceded with a backslash "\%" and "\#".
9393 * Note: In "\\%" the % is also not recognized!
9394 */
9395 if (src > srcstart && src[-1] == '\\')
9396 {
9397 *usedlen = 0;
9398 STRCPY(src - 1, src); /* remove backslash */
9399 return NULL;
9400 }
9401
9402 /*
9403 * word or WORD under cursor
9404 */
9405 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9406 {
9407 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9408 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9409 if (resultlen == 0)
9410 {
9411 *errormsg = (char_u *)"";
9412 return NULL;
9413 }
9414 }
9415
9416 /*
9417 * '#': Alternate file name
9418 * '%': Current file name
9419 * File name under the cursor
9420 * File name for autocommand
9421 * and following modifiers
9422 */
9423 else
9424 {
9425 switch (spec_idx)
9426 {
9427 case SPEC_PERC: /* '%': current file */
9428 if (curbuf->b_fname == NULL)
9429 {
9430 result = (char_u *)"";
9431 valid = 0; /* Must have ":p:h" to be valid */
9432 }
9433 else
9434 #ifdef RISCOS
9435 /* Always use the full path for RISC OS if possible. */
9436 result = curbuf->b_ffname;
9437 if (result == NULL)
9438 result = curbuf->b_fname;
9439 #else
9440 result = curbuf->b_fname;
9441 #endif
9442 break;
9443
9444 case SPEC_HASH: /* '#' or "#99": alternate file */
9445 if (src[1] == '#') /* "##": the argument list */
9446 {
9447 result = arg_all();
9448 resultbuf = result;
9449 *usedlen = 2;
9450 if (escaped != NULL)
9451 *escaped = TRUE;
9452 #ifdef FEAT_MODIFY_FNAME
9453 skip_mod = TRUE;
9454 #endif
9455 break;
9456 }
9457 s = src + 1;
9458 i = (int)getdigits(&s);
9459 *usedlen = (int)(s - src); /* length of what we expand */
9460
9461 buf = buflist_findnr(i);
9462 if (buf == NULL)
9463 {
9464 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9465 return NULL;
9466 }
9467 if (lnump != NULL)
9468 *lnump = ECMD_LAST;
9469 if (buf->b_fname == NULL)
9470 {
9471 result = (char_u *)"";
9472 valid = 0; /* Must have ":p:h" to be valid */
9473 }
9474 else
9475 result = buf->b_fname;
9476 break;
9477
9478 #ifdef FEAT_SEARCHPATH
9479 case SPEC_CFILE: /* file name under cursor */
9480 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9481 if (result == NULL)
9482 {
9483 *errormsg = (char_u *)"";
9484 return NULL;
9485 }
9486 resultbuf = result; /* remember allocated string */
9487 break;
9488 #endif
9489
9490 #ifdef FEAT_AUTOCMD
9491 case SPEC_AFILE: /* file name for autocommand */
9492 result = autocmd_fname;
9493 if (result == NULL)
9494 {
9495 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9496 return NULL;
9497 }
9498 break;
9499
9500 case SPEC_ABUF: /* buffer number for autocommand */
9501 if (autocmd_bufnr <= 0)
9502 {
9503 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9504 return NULL;
9505 }
9506 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9507 result = strbuf;
9508 break;
9509
9510 case SPEC_AMATCH: /* match name for autocommand */
9511 result = autocmd_match;
9512 if (result == NULL)
9513 {
9514 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9515 return NULL;
9516 }
9517 break;
9518
9519 #endif
9520 case SPEC_SFILE: /* file name for ":so" command */
9521 result = sourcing_name;
9522 if (result == NULL)
9523 {
9524 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9525 return NULL;
9526 }
9527 break;
9528 #if defined(FEAT_CLIENTSERVER)
9529 case SPEC_CLIENT: /* Source of last submitted input */
9530 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9531 (long_u)clientWindow);
9532 result = strbuf;
9533 break;
9534 #endif
9535 }
9536
9537 resultlen = (int)STRLEN(result); /* length of new string */
9538 if (src[*usedlen] == '<') /* remove the file name extension */
9539 {
9540 ++*usedlen;
9541 #ifdef RISCOS
9542 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9543 #else
9544 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9545 #endif
9546 resultlen = (int)(s - result);
9547 }
9548 #ifdef FEAT_MODIFY_FNAME
9549 else if (!skip_mod)
9550 {
9551 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9552 &resultlen);
9553 if (result == NULL)
9554 {
9555 *errormsg = (char_u *)"";
9556 return NULL;
9557 }
9558 }
9559 #endif
9560 }
9561
9562 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9563 {
9564 if (valid != VALID_HEAD + VALID_PATH)
9565 /* xgettext:no-c-format */
9566 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9567 else
9568 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9569 result = NULL;
9570 }
9571 else
9572 result = vim_strnsave(result, resultlen);
9573 vim_free(resultbuf);
9574 return result;
9575 }
9576
9577 /*
9578 * Concatenate all files in the argument list, separated by spaces, and return
9579 * it in one allocated string.
9580 * Spaces and backslashes in the file names are escaped with a backslash.
9581 * Returns NULL when out of memory.
9582 */
9583 static char_u *
9584 arg_all()
9585 {
9586 int len;
9587 int idx;
9588 char_u *retval = NULL;
9589 char_u *p;
9590
9591 /*
9592 * Do this loop two times:
9593 * first time: compute the total length
9594 * second time: concatenate the names
9595 */
9596 for (;;)
9597 {
9598 len = 0;
9599 for (idx = 0; idx < ARGCOUNT; ++idx)
9600 {
9601 p = alist_name(&ARGLIST[idx]);
9602 if (p != NULL)
9603 {
9604 if (len > 0)
9605 {
9606 /* insert a space in between names */
9607 if (retval != NULL)
9608 retval[len] = ' ';
9609 ++len;
9610 }
9611 for ( ; *p != NUL; ++p)
9612 {
9613 if (*p == ' ' || *p == '\\')
9614 {
9615 /* insert a backslash */
9616 if (retval != NULL)
9617 retval[len] = '\\';
9618 ++len;
9619 }
9620 if (retval != NULL)
9621 retval[len] = *p;
9622 ++len;
9623 }
9624 }
9625 }
9626
9627 /* second time: break here */
9628 if (retval != NULL)
9629 {
9630 retval[len] = NUL;
9631 break;
9632 }
9633
9634 /* allocate memory */
9635 retval = alloc(len + 1);
9636 if (retval == NULL)
9637 break;
9638 }
9639
9640 return retval;
9641 }
9642
9643 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9644 /*
9645 * Expand the <sfile> string in "arg".
9646 *
9647 * Returns an allocated string, or NULL for any error.
9648 */
9649 char_u *
9650 expand_sfile(arg)
9651 char_u *arg;
9652 {
9653 char_u *errormsg;
9654 int len;
9655 char_u *result;
9656 char_u *newres;
9657 char_u *repl;
9658 int srclen;
9659 char_u *p;
9660
9661 result = vim_strsave(arg);
9662 if (result == NULL)
9663 return NULL;
9664
9665 for (p = result; *p; )
9666 {
9667 if (STRNCMP(p, "<sfile>", 7) != 0)
9668 ++p;
9669 else
9670 {
9671 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9672 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9673 if (errormsg != NULL)
9674 {
9675 if (*errormsg)
9676 emsg(errormsg);
9677 vim_free(result);
9678 return NULL;
9679 }
9680 if (repl == NULL) /* no match (cannot happen) */
9681 {
9682 p += srclen;
9683 continue;
9684 }
9685 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9686 newres = alloc(len);
9687 if (newres == NULL)
9688 {
9689 vim_free(repl);
9690 vim_free(result);
9691 return NULL;
9692 }
9693 mch_memmove(newres, result, (size_t)(p - result));
9694 STRCPY(newres + (p - result), repl);
9695 len = (int)STRLEN(newres);
9696 STRCAT(newres, p + srclen);
9697 vim_free(repl);
9698 vim_free(result);
9699 result = newres;
9700 p = newres + len; /* continue after the match */
9701 }
9702 }
9703
9704 return result;
9705 }
9706 #endif
9707
9708 #ifdef FEAT_SESSION
9709 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9710 win_T *tab_firstwin));
9711 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9712 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9713 static int ses_do_frame __ARGS((frame_T *fr));
9714 static int ses_do_win __ARGS((win_T *wp));
9715 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9716 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9717 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9718
9719 /*
9720 * Write openfile commands for the current buffers to an .exrc file.
9721 * Return FAIL on error, OK otherwise.
9722 */
9723 static int
9724 makeopens(fd, dirnow)
9725 FILE *fd;
9726 char_u *dirnow; /* Current directory name */
9727 {
9728 buf_T *buf;
9729 int only_save_windows = TRUE;
9730 int nr;
9731 int cnr = 1;
9732 int restore_size = TRUE;
9733 win_T *wp;
9734 char_u *sname;
9735 win_T *edited_win = NULL;
9736 int tabnr;
9737 win_T *tab_firstwin;
9738 frame_T *tab_topframe;
9739
9740 if (ssop_flags & SSOP_BUFFERS)
9741 only_save_windows = FALSE; /* Save ALL buffers */
9742
9743 /*
9744 * Begin by setting the this_session variable, and then other
9745 * sessionable variables.
9746 */
9747 #ifdef FEAT_EVAL
9748 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9749 return FAIL;
9750 if (ssop_flags & SSOP_GLOBALS)
9751 if (store_session_globals(fd) == FAIL)
9752 return FAIL;
9753 #endif
9754
9755 /*
9756 * Close all windows but one.
9757 */
9758 if (put_line(fd, "silent only") == FAIL)
9759 return FAIL;
9760
9761 /*
9762 * Now a :cd command to the session directory or the current directory
9763 */
9764 if (ssop_flags & SSOP_SESDIR)
9765 {
9766 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9767 == FAIL)
9768 return FAIL;
9769 }
9770 else if (ssop_flags & SSOP_CURDIR)
9771 {
9772 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9773 if (sname == NULL
9774 || fputs("cd ", fd) < 0
9775 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9776 || put_eol(fd) == FAIL)
9777 {
9778 vim_free(sname);
9779 return FAIL;
9780 }
9781 vim_free(sname);
9782 }
9783
9784 /*
9785 * If there is an empty, unnamed buffer we will wipe it out later.
9786 * Remember the buffer number.
9787 */
9788 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9789 return FAIL;
9790 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9791 return FAIL;
9792 if (put_line(fd, "endif") == FAIL)
9793 return FAIL;
9794
9795 /*
9796 * Now save the current files, current buffer first.
9797 */
9798 if (put_line(fd, "set shortmess=aoO") == FAIL)
9799 return FAIL;
9800
9801 /* Now put the other buffers into the buffer list */
9802 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9803 {
9804 if (!(only_save_windows && buf->b_nwindows == 0)
9805 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9806 && buf->b_fname != NULL
9807 && buf->b_p_bl)
9808 {
9809 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9810 : buf->b_wininfo->wi_fpos.lnum) < 0
9811 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9812 return FAIL;
9813 }
9814 }
9815
9816 /* the global argument list */
9817 if (ses_arglist(fd, "args", &global_alist.al_ga,
9818 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9819 return FAIL;
9820
9821 if (ssop_flags & SSOP_RESIZE)
9822 {
9823 /* Note: after the restore we still check it worked!*/
9824 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9825 || put_eol(fd) == FAIL)
9826 return FAIL;
9827 }
9828
9829 #ifdef FEAT_GUI
9830 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9831 {
9832 int x, y;
9833
9834 if (gui_mch_get_winpos(&x, &y) == OK)
9835 {
9836 /* Note: after the restore we still check it worked!*/
9837 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9838 return FAIL;
9839 }
9840 }
9841 #endif
9842
9843 /*
9844 * May repeat putting Windows for each tab, when "tabpages" is in
9845 * 'sessionoptions'.
9846 * Don't use goto_tabpage(), it may change directory and trigger
9847 * autocommands.
9848 */
9849 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9850 tab_topframe = topframe;
9851 for (tabnr = 1; ; ++tabnr)
9852 {
9853 int need_tabnew = FALSE;
9854
9855 if ((ssop_flags & SSOP_TABPAGES))
9856 {
9857 tabpage_T *tp = find_tabpage(tabnr);
9858
9859 if (tp == NULL)
9860 break; /* done all tab pages */
9861 if (tp == curtab)
9862 {
9863 tab_firstwin = firstwin;
9864 tab_topframe = topframe;
9865 }
9866 else
9867 {
9868 tab_firstwin = tp->tp_firstwin;
9869 tab_topframe = tp->tp_topframe;
9870 }
9871 if (tabnr > 1)
9872 need_tabnew = TRUE;
9873 }
9874
9875 /*
9876 * Before creating the window layout, try loading one file. If this
9877 * is aborted we don't end up with a number of useless windows.
9878 * This may have side effects! (e.g., compressed or network file).
9879 */
9880 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9881 {
9882 if (ses_do_win(wp)
9883 && wp->w_buffer->b_ffname != NULL
9884 && !wp->w_buffer->b_help
9885 #ifdef FEAT_QUICKFIX
9886 && !bt_nofile(wp->w_buffer)
9887 #endif
9888 )
9889 {
9890 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9891 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9892 return FAIL;
9893 need_tabnew = FALSE;
9894 if (!wp->w_arg_idx_invalid)
9895 edited_win = wp;
9896 break;
9897 }
9898 }
9899
9900 /* If no file got edited create an empty tab page. */
9901 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9902 return FAIL;
9903
9904 /*
9905 * Save current window layout.
9906 */
9907 if (put_line(fd, "set splitbelow splitright") == FAIL)
9908 return FAIL;
9909 if (ses_win_rec(fd, tab_topframe) == FAIL)
9910 return FAIL;
9911 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9912 return FAIL;
9913 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9914 return FAIL;
9915
9916 /*
9917 * Check if window sizes can be restored (no windows omitted).
9918 * Remember the window number of the current window after restoring.
9919 */
9920 nr = 0;
9921 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9922 {
9923 if (ses_do_win(wp))
9924 ++nr;
9925 else
9926 restore_size = FALSE;
9927 if (curwin == wp)
9928 cnr = nr;
9929 }
9930
9931 /* Go to the first window. */
9932 if (put_line(fd, "wincmd t") == FAIL)
9933 return FAIL;
9934
9935 /*
9936 * If more than one window, see if sizes can be restored.
9937 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9938 * resized when moving between windows.
9939 * Do this before restoring the view, so that the topline and the
9940 * cursor can be set. This is done again below.
9941 */
9942 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9943 return FAIL;
9944 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9945 return FAIL;
9946
9947 /*
9948 * Restore the view of the window (options, file, cursor, etc.).
9949 */
9950 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9951 {
9952 if (!ses_do_win(wp))
9953 continue;
9954 if (put_view(fd, wp, wp != edited_win, &ssop_flags) == FAIL)
9955 return FAIL;
9956 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
9957 return FAIL;
9958 }
9959
9960 /*
9961 * Restore cursor to the current window if it's not the first one.
9962 */
9963 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
9964 || put_eol(fd) == FAIL))
9965 return FAIL;
9966
9967 /*
9968 * Restore window sizes again after jumping around in windows, because
9969 * the current window has a minimum size while others may not.
9970 */
9971 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9972 return FAIL;
9973
9974 /* Don't continue in another tab page when doing only the current one
9975 * or when at the last tab page. */
9976 if (!(ssop_flags & SSOP_TABPAGES))
9977 break;
9978 }
9979
9980 if (ssop_flags & SSOP_TABPAGES)
9981 {
9982 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
9983 || put_eol(fd) == FAIL)
9984 return FAIL;
9985 }
9986
9987 /*
9988 * Wipe out an empty unnamed buffer we started in.
9989 */
9990 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
9991 return FAIL;
9992 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
9993 return FAIL;
9994 if (put_line(fd, "endif") == FAIL)
9995 return FAIL;
9996 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
9997 return FAIL;
9998
9999 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10000 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10001 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10002 return FAIL;
10003
10004 /*
10005 * Lastly, execute the x.vim file if it exists.
10006 */
10007 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10008 || put_line(fd, "if file_readable(s:sx)") == FAIL
10009 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10010 || put_line(fd, "endif") == FAIL)
10011 return FAIL;
10012
10013 return OK;
10014 }
10015
10016 static int
10017 ses_winsizes(fd, restore_size, tab_firstwin)
10018 FILE *fd;
10019 int restore_size;
10020 win_T *tab_firstwin;
10021 {
10022 int n = 0;
10023 win_T *wp;
10024
10025 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10026 {
10027 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10028 {
10029 if (!ses_do_win(wp))
10030 continue;
10031 ++n;
10032
10033 /* restore height when not full height */
10034 if (wp->w_height + wp->w_status_height < topframe->fr_height
10035 && (fprintf(fd,
10036 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10037 n, (long)wp->w_height, Rows / 2, Rows) < 0
10038 || put_eol(fd) == FAIL))
10039 return FAIL;
10040
10041 /* restore width when not full width */
10042 if (wp->w_width < Columns && (fprintf(fd,
10043 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10044 n, (long)wp->w_width, Columns / 2, Columns) < 0
10045 || put_eol(fd) == FAIL))
10046 return FAIL;
10047 }
10048 }
10049 else
10050 {
10051 /* Just equalise window sizes */
10052 if (put_line(fd, "wincmd =") == FAIL)
10053 return FAIL;
10054 }
10055 return OK;
10056 }
10057
10058 /*
10059 * Write commands to "fd" to recursively create windows for frame "fr",
10060 * horizontally and vertically split.
10061 * After the commands the last window in the frame is the current window.
10062 * Returns FAIL when writing the commands to "fd" fails.
10063 */
10064 static int
10065 ses_win_rec(fd, fr)
10066 FILE *fd;
10067 frame_T *fr;
10068 {
10069 frame_T *frc;
10070 int count = 0;
10071
10072 if (fr->fr_layout != FR_LEAF)
10073 {
10074 /* Find first frame that's not skipped and then create a window for
10075 * each following one (first frame is already there). */
10076 frc = ses_skipframe(fr->fr_child);
10077 if (frc != NULL)
10078 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10079 {
10080 /* Make window as big as possible so that we have lots of room
10081 * to split. */
10082 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10083 || put_line(fd, fr->fr_layout == FR_COL
10084 ? "split" : "vsplit") == FAIL)
10085 return FAIL;
10086 ++count;
10087 }
10088
10089 /* Go back to the first window. */
10090 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10091 ? "%dwincmd k" : "%dwincmd h", count) < 0
10092 || put_eol(fd) == FAIL))
10093 return FAIL;
10094
10095 /* Recursively create frames/windows in each window of this column or
10096 * row. */
10097 frc = ses_skipframe(fr->fr_child);
10098 while (frc != NULL)
10099 {
10100 ses_win_rec(fd, frc);
10101 frc = ses_skipframe(frc->fr_next);
10102 /* Go to next window. */
10103 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10104 return FAIL;
10105 }
10106 }
10107 return OK;
10108 }
10109
10110 /*
10111 * Skip frames that don't contain windows we want to save in the Session.
10112 * Returns NULL when there none.
10113 */
10114 static frame_T *
10115 ses_skipframe(fr)
10116 frame_T *fr;
10117 {
10118 frame_T *frc;
10119
10120 for (frc = fr; frc != NULL; frc = frc->fr_next)
10121 if (ses_do_frame(frc))
10122 break;
10123 return frc;
10124 }
10125
10126 /*
10127 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10128 * the Session.
10129 */
10130 static int
10131 ses_do_frame(fr)
10132 frame_T *fr;
10133 {
10134 frame_T *frc;
10135
10136 if (fr->fr_layout == FR_LEAF)
10137 return ses_do_win(fr->fr_win);
10138 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10139 if (ses_do_frame(frc))
10140 return TRUE;
10141 return FALSE;
10142 }
10143
10144 /*
10145 * Return non-zero if window "wp" is to be stored in the Session.
10146 */
10147 static int
10148 ses_do_win(wp)
10149 win_T *wp;
10150 {
10151 if (wp->w_buffer->b_fname == NULL
10152 #ifdef FEAT_QUICKFIX
10153 /* When 'buftype' is "nofile" can't restore the window contents. */
10154 || bt_nofile(wp->w_buffer)
10155 #endif
10156 )
10157 return (ssop_flags & SSOP_BLANK);
10158 if (wp->w_buffer->b_help)
10159 return (ssop_flags & SSOP_HELP);
10160 return TRUE;
10161 }
10162
10163 /*
10164 * Write commands to "fd" to restore the view of a window.
10165 * Caller must make sure 'scrolloff' is zero.
10166 */
10167 static int
10168 put_view(fd, wp, add_edit, flagp)
10169 FILE *fd;
10170 win_T *wp;
10171 int add_edit; /* add ":edit" command to view */
10172 unsigned *flagp; /* vop_flags or ssop_flags */
10173 {
10174 win_T *save_curwin;
10175 int f;
10176 int do_cursor;
10177 int did_next = FALSE;
10178
10179 /* Always restore cursor position for ":mksession". For ":mkview" only
10180 * when 'viewoptions' contains "cursor". */
10181 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10182
10183 /*
10184 * Local argument list.
10185 */
10186 if (wp->w_alist == &global_alist)
10187 {
10188 if (put_line(fd, "argglobal") == FAIL)
10189 return FAIL;
10190 }
10191 else
10192 {
10193 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10194 flagp == &vop_flags
10195 || !(*flagp & SSOP_CURDIR)
10196 || wp->w_localdir != NULL, flagp) == FAIL)
10197 return FAIL;
10198 }
10199
10200 /* Only when part of a session: restore the argument index. Some
10201 * arguments may have been deleted, check if the index is valid. */
10202 if (wp->w_arg_idx != 0 && wp->w_arg_idx <= WARGCOUNT(wp)
10203 && flagp == &ssop_flags)
10204 {
10205 if (fprintf(fd, "%ldnext", (long)wp->w_arg_idx) < 0
10206 || put_eol(fd) == FAIL)
10207 return FAIL;
10208 did_next = TRUE;
10209 }
10210
10211 /* Edit the file. Skip this when ":next" already did it. */
10212 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10213 {
10214 /*
10215 * Load the file.
10216 */
10217 if (wp->w_buffer->b_ffname != NULL
10218 #ifdef FEAT_QUICKFIX
10219 && !bt_nofile(wp->w_buffer)
10220 #endif
10221 )
10222 {
10223 /*
10224 * Editing a file in this buffer: use ":edit file".
10225 * This may have side effects! (e.g., compressed or network file).
10226 */
10227 if (fputs("edit ", fd) < 0
10228 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10229 return FAIL;
10230 }
10231 else
10232 {
10233 /* No file in this buffer, just make it empty. */
10234 if (put_line(fd, "enew") == FAIL)
10235 return FAIL;
10236 #ifdef FEAT_QUICKFIX
10237 if (wp->w_buffer->b_ffname != NULL)
10238 {
10239 /* The buffer does have a name, but it's not a file name. */
10240 if (fputs("file ", fd) < 0
10241 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10242 return FAIL;
10243 }
10244 #endif
10245 do_cursor = FALSE;
10246 }
10247 }
10248
10249 /*
10250 * Local mappings and abbreviations.
10251 */
10252 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10253 && makemap(fd, wp->w_buffer) == FAIL)
10254 return FAIL;
10255
10256 /*
10257 * Local options. Need to go to the window temporarily.
10258 * Store only local values when using ":mkview" and when ":mksession" is
10259 * used and 'sessionoptions' doesn't include "options".
10260 * Some folding options are always stored when "folds" is included,
10261 * otherwise the folds would not be restored correctly.
10262 */
10263 save_curwin = curwin;
10264 curwin = wp;
10265 curbuf = curwin->w_buffer;
10266 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10267 f = makeset(fd, OPT_LOCAL,
10268 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10269 #ifdef FEAT_FOLDING
10270 else if (*flagp & SSOP_FOLDS)
10271 f = makefoldset(fd);
10272 #endif
10273 else
10274 f = OK;
10275 curwin = save_curwin;
10276 curbuf = curwin->w_buffer;
10277 if (f == FAIL)
10278 return FAIL;
10279
10280 #ifdef FEAT_FOLDING
10281 /*
10282 * Save Folds when 'buftype' is empty and for help files.
10283 */
10284 if ((*flagp & SSOP_FOLDS)
10285 && wp->w_buffer->b_ffname != NULL
10286 # ifdef FEAT_QUICKFIX
10287 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10288 # endif
10289 )
10290 {
10291 if (put_folds(fd, wp) == FAIL)
10292 return FAIL;
10293 }
10294 #endif
10295
10296 /*
10297 * Set the cursor after creating folds, since that moves the cursor.
10298 */
10299 if (do_cursor)
10300 {
10301
10302 /* Restore the cursor line in the file and relatively in the
10303 * window. Don't use "G", it changes the jumplist. */
10304 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10305 (long)wp->w_cursor.lnum,
10306 (long)(wp->w_cursor.lnum - wp->w_topline),
10307 (long)wp->w_height / 2, (long)wp->w_height) < 0
10308 || put_eol(fd) == FAIL
10309 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10310 || put_line(fd, "exe s:l") == FAIL
10311 || put_line(fd, "normal! zt") == FAIL
10312 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10313 || put_eol(fd) == FAIL)
10314 return FAIL;
10315 /* Restore the cursor column and left offset when not wrapping. */
10316 if (wp->w_cursor.col == 0)
10317 {
10318 if (put_line(fd, "normal! 0") == FAIL)
10319 return FAIL;
10320 }
10321 else
10322 {
10323 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10324 {
10325 if (fprintf(fd,
10326 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10327 (long)wp->w_cursor.col,
10328 (long)(wp->w_cursor.col - wp->w_leftcol),
10329 (long)wp->w_width / 2, (long)wp->w_width) < 0
10330 || put_eol(fd) == FAIL
10331 || put_line(fd, "if s:c > 0") == FAIL
10332 || fprintf(fd,
10333 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10334 (long)wp->w_cursor.col) < 0
10335 || put_eol(fd) == FAIL
10336 || put_line(fd, "else") == FAIL
10337 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10338 || put_eol(fd) == FAIL
10339 || put_line(fd, "endif") == FAIL)
10340 return FAIL;
10341 }
10342 else
10343 {
10344 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10345 || put_eol(fd) == FAIL)
10346 return FAIL;
10347 }
10348 }
10349 }
10350
10351 /*
10352 * Local directory.
10353 */
10354 if (wp->w_localdir != NULL)
10355 {
10356 if (fputs("lcd ", fd) < 0
10357 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10358 || put_eol(fd) == FAIL)
10359 return FAIL;
10360 did_lcd = TRUE;
10361 }
10362
10363 return OK;
10364 }
10365
10366 /*
10367 * Write an argument list to the session file.
10368 * Returns FAIL if writing fails.
10369 */
10370 static int
10371 ses_arglist(fd, cmd, gap, fullname, flagp)
10372 FILE *fd;
10373 char *cmd;
10374 garray_T *gap;
10375 int fullname; /* TRUE: use full path name */
10376 unsigned *flagp;
10377 {
10378 int i;
10379 char_u buf[MAXPATHL];
10380 char_u *s;
10381
10382 if (gap->ga_len == 0)
10383 return put_line(fd, "silent! argdel *");
10384 if (fputs(cmd, fd) < 0)
10385 return FAIL;
10386 for (i = 0; i < gap->ga_len; ++i)
10387 {
10388 /* NULL file names are skipped (only happens when out of memory). */
10389 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10390 if (s != NULL)
10391 {
10392 if (fullname)
10393 {
10394 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10395 s = buf;
10396 }
10397 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10398 return FAIL;
10399 }
10400 }
10401 return put_eol(fd);
10402 }
10403
10404 /*
10405 * Write a buffer name to the session file.
10406 * Also ends the line.
10407 * Returns FAIL if writing fails.
10408 */
10409 static int
10410 ses_fname(fd, buf, flagp)
10411 FILE *fd;
10412 buf_T *buf;
10413 unsigned *flagp;
10414 {
10415 char_u *name;
10416
10417 /* Use the short file name if the current directory is known at the time
10418 * the session file will be sourced.
10419 * Don't do this for ":mkview", we don't know the current directory.
10420 * Don't do this after ":lcd", we don't keep track of what the current
10421 * directory is. */
10422 if (buf->b_sfname != NULL
10423 && flagp == &ssop_flags
10424 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10425 && !did_lcd)
10426 name = buf->b_sfname;
10427 else
10428 name = buf->b_ffname;
10429 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10430 return FAIL;
10431 return OK;
10432 }
10433
10434 /*
10435 * Write a file name to the session file.
10436 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10437 * characters.
10438 * Returns FAIL if writing fails.
10439 */
10440 static int
10441 ses_put_fname(fd, name, flagp)
10442 FILE *fd;
10443 char_u *name;
10444 unsigned *flagp;
10445 {
10446 char_u *sname;
10447 int retval = OK;
10448 int c;
10449
10450 sname = home_replace_save(NULL, name);
10451 if (sname != NULL)
10452 name = sname;
10453 while (*name != NUL)
10454 {
10455 #ifdef FEAT_MBYTE
10456 {
10457 int l;
10458
10459 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10460 {
10461 /* copy a multibyte char */
10462 while (--l >= 0)
10463 {
10464 if (putc(*name, fd) != *name)
10465 retval = FAIL;
10466 ++name;
10467 }
10468 continue;
10469 }
10470 }
10471 #endif
10472 c = *name++;
10473 if (c == '\\' && (*flagp & SSOP_SLASH))
10474 /* change a backslash to a forward slash */
10475 c = '/';
10476 else if ((vim_strchr(escape_chars, c) != NULL
10477 #ifdef BACKSLASH_IN_FILENAME
10478 && c != '\\'
10479 #endif
10480 ) || c == '#' || c == '%')
10481 {
10482 /* escape a special character with a backslash */
10483 if (putc('\\', fd) != '\\')
10484 retval = FAIL;
10485 }
10486 if (putc(c, fd) != c)
10487 retval = FAIL;
10488 }
10489 vim_free(sname);
10490 return retval;
10491 }
10492
10493 /*
10494 * ":loadview [nr]"
10495 */
10496 static void
10497 ex_loadview(eap)
10498 exarg_T *eap;
10499 {
10500 char_u *fname;
10501
10502 fname = get_view_file(*eap->arg);
10503 if (fname != NULL)
10504 {
10505 do_source(fname, FALSE, DOSO_NONE);
10506 vim_free(fname);
10507 }
10508 }
10509
10510 /*
10511 * Get the name of the view file for the current buffer.
10512 */
10513 static char_u *
10514 get_view_file(c)
10515 int c;
10516 {
10517 int len = 0;
10518 char_u *p, *s;
10519 char_u *retval;
10520 char_u *sname;
10521
10522 if (curbuf->b_ffname == NULL)
10523 {
10524 EMSG(_(e_noname));
10525 return NULL;
10526 }
10527 sname = home_replace_save(NULL, curbuf->b_ffname);
10528 if (sname == NULL)
10529 return NULL;
10530
10531 /*
10532 * We want a file name without separators, because we're not going to make
10533 * a directory.
10534 * "normal" path separator -> "=+"
10535 * "=" -> "=="
10536 * ":" path separator -> "=-"
10537 */
10538 for (p = sname; *p; ++p)
10539 if (*p == '=' || vim_ispathsep(*p))
10540 ++len;
10541 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10542 if (retval != NULL)
10543 {
10544 STRCPY(retval, p_vdir);
10545 add_pathsep(retval);
10546 s = retval + STRLEN(retval);
10547 for (p = sname; *p; ++p)
10548 {
10549 if (*p == '=')
10550 {
10551 *s++ = '=';
10552 *s++ = '=';
10553 }
10554 else if (vim_ispathsep(*p))
10555 {
10556 *s++ = '=';
10557 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10558 || defined(VMS)
10559 if (*p == ':')
10560 *s++ = '-';
10561 else
10562 #endif
10563 *s++ = '+';
10564 }
10565 else
10566 *s++ = *p;
10567 }
10568 *s++ = '=';
10569 *s++ = c;
10570 STRCPY(s, ".vim");
10571 }
10572
10573 vim_free(sname);
10574 return retval;
10575 }
10576
10577 #endif /* FEAT_SESSION */
10578
10579 /*
10580 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10581 * Return FAIL for a write error.
10582 */
10583 int
10584 put_eol(fd)
10585 FILE *fd;
10586 {
10587 if (
10588 #ifdef USE_CRNL
10589 (
10590 # ifdef MKSESSION_NL
10591 !mksession_nl &&
10592 # endif
10593 (putc('\r', fd) < 0)) ||
10594 #endif
10595 (putc('\n', fd) < 0))
10596 return FAIL;
10597 return OK;
10598 }
10599
10600 /*
10601 * Write a line to "fd".
10602 * Return FAIL for a write error.
10603 */
10604 int
10605 put_line(fd, s)
10606 FILE *fd;
10607 char *s;
10608 {
10609 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10610 return FAIL;
10611 return OK;
10612 }
10613
10614 #ifdef FEAT_VIMINFO
10615 /*
10616 * ":rviminfo" and ":wviminfo".
10617 */
10618 static void
10619 ex_viminfo(eap)
10620 exarg_T *eap;
10621 {
10622 char_u *save_viminfo;
10623
10624 save_viminfo = p_viminfo;
10625 if (*p_viminfo == NUL)
10626 p_viminfo = (char_u *)"'100";
10627 if (eap->cmdidx == CMD_rviminfo)
10628 {
10629 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10630 EMSG(_("E195: Cannot open viminfo file for reading"));
10631 }
10632 else
10633 write_viminfo(eap->arg, eap->forceit);
10634 p_viminfo = save_viminfo;
10635 }
10636 #endif
10637
10638 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10639 /*
10640 * Make a dialog message in "buff[IOSIZE]".
10641 * "format" must contain "%s".
10642 */
10643 void
10644 dialog_msg(buff, format, fname)
10645 char_u *buff;
10646 char *format;
10647 char_u *fname;
10648 {
10649 if (fname == NULL)
10650 fname = (char_u *)_("Untitled");
10651 vim_snprintf((char *)buff, IOSIZE, format, fname);
10652 }
10653 #endif
10654
10655 /*
10656 * ":behave {mswin,xterm}"
10657 */
10658 static void
10659 ex_behave(eap)
10660 exarg_T *eap;
10661 {
10662 if (STRCMP(eap->arg, "mswin") == 0)
10663 {
10664 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10665 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10666 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10667 set_option_value((char_u *)"keymodel", 0L,
10668 (char_u *)"startsel,stopsel", 0);
10669 }
10670 else if (STRCMP(eap->arg, "xterm") == 0)
10671 {
10672 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10673 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10674 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10675 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10676 }
10677 else
10678 EMSG2(_(e_invarg2), eap->arg);
10679 }
10680
10681 #ifdef FEAT_AUTOCMD
10682 static int filetype_detect = FALSE;
10683 static int filetype_plugin = FALSE;
10684 static int filetype_indent = FALSE;
10685
10686 /*
10687 * ":filetype [plugin] [indent] {on,off,detect}"
10688 * on: Load the filetype.vim file to install autocommands for file types.
10689 * off: Load the ftoff.vim file to remove all autocommands for file types.
10690 * plugin on: load filetype.vim and ftplugin.vim
10691 * plugin off: load ftplugof.vim
10692 * indent on: load filetype.vim and indent.vim
10693 * indent off: load indoff.vim
10694 */
10695 static void
10696 ex_filetype(eap)
10697 exarg_T *eap;
10698 {
10699 char_u *arg = eap->arg;
10700 int plugin = FALSE;
10701 int indent = FALSE;
10702
10703 if (*eap->arg == NUL)
10704 {
10705 /* Print current status. */
10706 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10707 filetype_detect ? "ON" : "OFF",
10708 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10709 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10710 return;
10711 }
10712
10713 /* Accept "plugin" and "indent" in any order. */
10714 for (;;)
10715 {
10716 if (STRNCMP(arg, "plugin", 6) == 0)
10717 {
10718 plugin = TRUE;
10719 arg = skipwhite(arg + 6);
10720 continue;
10721 }
10722 if (STRNCMP(arg, "indent", 6) == 0)
10723 {
10724 indent = TRUE;
10725 arg = skipwhite(arg + 6);
10726 continue;
10727 }
10728 break;
10729 }
10730 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10731 {
10732 if (*arg == 'o' || !filetype_detect)
10733 {
10734 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10735 filetype_detect = TRUE;
10736 if (plugin)
10737 {
10738 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10739 filetype_plugin = TRUE;
10740 }
10741 if (indent)
10742 {
10743 source_runtime((char_u *)INDENT_FILE, TRUE);
10744 filetype_indent = TRUE;
10745 }
10746 }
10747 if (*arg == 'd')
10748 {
10749 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10750 do_modelines(0);
10751 }
10752 }
10753 else if (STRCMP(arg, "off") == 0)
10754 {
10755 if (plugin || indent)
10756 {
10757 if (plugin)
10758 {
10759 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10760 filetype_plugin = FALSE;
10761 }
10762 if (indent)
10763 {
10764 source_runtime((char_u *)INDOFF_FILE, TRUE);
10765 filetype_indent = FALSE;
10766 }
10767 }
10768 else
10769 {
10770 source_runtime((char_u *)FTOFF_FILE, TRUE);
10771 filetype_detect = FALSE;
10772 }
10773 }
10774 else
10775 EMSG2(_(e_invarg2), arg);
10776 }
10777
10778 /*
10779 * ":setfiletype {name}"
10780 */
10781 static void
10782 ex_setfiletype(eap)
10783 exarg_T *eap;
10784 {
10785 if (!did_filetype)
10786 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10787 }
10788 #endif
10789
10790 /*ARGSUSED*/
10791 static void
10792 ex_digraphs(eap)
10793 exarg_T *eap;
10794 {
10795 #ifdef FEAT_DIGRAPHS
10796 if (*eap->arg != NUL)
10797 putdigraph(eap->arg);
10798 else
10799 listdigraphs();
10800 #else
10801 EMSG(_("E196: No digraphs in this version"));
10802 #endif
10803 }
10804
10805 static void
10806 ex_set(eap)
10807 exarg_T *eap;
10808 {
10809 int flags = 0;
10810
10811 if (eap->cmdidx == CMD_setlocal)
10812 flags = OPT_LOCAL;
10813 else if (eap->cmdidx == CMD_setglobal)
10814 flags = OPT_GLOBAL;
10815 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10816 if (cmdmod.browse && flags == 0)
10817 ex_options(eap);
10818 else
10819 #endif
10820 (void)do_set(eap->arg, flags);
10821 }
10822
10823 #ifdef FEAT_SEARCH_EXTRA
10824 /*
10825 * ":nohlsearch"
10826 */
10827 /*ARGSUSED*/
10828 static void
10829 ex_nohlsearch(eap)
10830 exarg_T *eap;
10831 {
10832 no_hlsearch = TRUE;
10833 redraw_all_later(SOME_VALID);
10834 }
10835
10836 /*
10837 * ":[N]match {group} {pattern}"
10838 * Sets nextcmd to the start of the next command, if any. Also called when
10839 * skipping commands to find the next command.
10840 */
10841 static void
10842 ex_match(eap)
10843 exarg_T *eap;
10844 {
10845 char_u *p;
10846 char_u *g = NULL;
10847 char_u *end;
10848 int c;
10849 int id;
10850
10851 if (eap->line2 <= 3)
10852 id = eap->line2;
10853 else
10854 {
10855 EMSG(e_invcmd);
10856 return;
10857 }
10858
10859 /* First clear any old pattern. */
10860 if (!eap->skip)
10861 match_delete(curwin, id, FALSE);
10862
10863 if (ends_excmd(*eap->arg))
10864 end = eap->arg;
10865 else if ((STRNICMP(eap->arg, "none", 4) == 0
10866 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10867 end = eap->arg + 4;
10868 else
10869 {
10870 p = skiptowhite(eap->arg);
10871 if (!eap->skip)
10872 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10873 p = skipwhite(p);
10874 if (*p == NUL)
10875 {
10876 /* There must be two arguments. */
10877 EMSG2(_(e_invarg2), eap->arg);
10878 return;
10879 }
10880 end = skip_regexp(p + 1, *p, TRUE, NULL);
10881 if (!eap->skip)
10882 {
10883 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10884 {
10885 eap->errmsg = e_trailing;
10886 return;
10887 }
10888 if (*end != *p)
10889 {
10890 EMSG2(_(e_invarg2), p);
10891 return;
10892 }
10893
10894 c = *end;
10895 *end = NUL;
10896 match_add(curwin, g, p + 1, 10, id);
10897 vim_free(g);
10898 *end = c;
10899 }
10900 }
10901 eap->nextcmd = find_nextcmd(end);
10902 }
10903 #endif
10904
10905 #ifdef FEAT_CRYPT
10906 /*
10907 * ":X": Get crypt key
10908 */
10909 /*ARGSUSED*/
10910 static void
10911 ex_X(eap)
10912 exarg_T *eap;
10913 {
10914 (void)get_crypt_key(TRUE, TRUE);
10915 }
10916 #endif
10917
10918 #ifdef FEAT_FOLDING
10919 static void
10920 ex_fold(eap)
10921 exarg_T *eap;
10922 {
10923 if (foldManualAllowed(TRUE))
10924 foldCreate(eap->line1, eap->line2);
10925 }
10926
10927 static void
10928 ex_foldopen(eap)
10929 exarg_T *eap;
10930 {
10931 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10932 eap->forceit, FALSE);
10933 }
10934
10935 static void
10936 ex_folddo(eap)
10937 exarg_T *eap;
10938 {
10939 linenr_T lnum;
10940
10941 /* First set the marks for all lines closed/open. */
10942 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10943 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10944 ml_setmarked(lnum);
10945
10946 /* Execute the command on the marked lines. */
10947 global_exe(eap->arg);
10948 ml_clearmarked(); /* clear rest of the marks */
10949 }
10950 #endif