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Merged from the latest developing branch.
[MacVim.git] / src / ex_docmd.c
blob3de873092185ab6e88bf3380f63b28f7b3227d39
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 scid_T uc_scriptID; /* SID where the command was defined */
30 int uc_compl; /* completion type */
31 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
32 char_u *uc_compl_arg; /* completion argument if any */
33 # endif
34 } ucmd_T;
35
36 #define UC_BUFFER 1 /* -buffer: local to current buffer */
37
38 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
39
40 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
41 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
42
43 static void do_ucmd __ARGS((exarg_T *eap));
44 static void ex_command __ARGS((exarg_T *eap));
45 static void ex_delcommand __ARGS((exarg_T *eap));
46 # ifdef FEAT_CMDL_COMPL
47 static char_u *get_user_command_name __ARGS((int idx));
48 # endif
49
50 #else
51 # define ex_command ex_ni
52 # define ex_comclear ex_ni
53 # define ex_delcommand ex_ni
54 #endif
55
56 #ifdef FEAT_EVAL
57 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
58 #else
59 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
60 static int if_level = 0; /* depth in :if */
61 #endif
62 static char_u *find_command __ARGS((exarg_T *eap, int *full));
63
64 static void ex_abbreviate __ARGS((exarg_T *eap));
65 static void ex_map __ARGS((exarg_T *eap));
66 static void ex_unmap __ARGS((exarg_T *eap));
67 static void ex_mapclear __ARGS((exarg_T *eap));
68 static void ex_abclear __ARGS((exarg_T *eap));
69 #ifndef FEAT_MENU
70 # define ex_emenu ex_ni
71 # define ex_menu ex_ni
72 # define ex_menutranslate ex_ni
73 #endif
74 #ifdef FEAT_AUTOCMD
75 static void ex_autocmd __ARGS((exarg_T *eap));
76 static void ex_doautocmd __ARGS((exarg_T *eap));
77 #else
78 # define ex_autocmd ex_ni
79 # define ex_doautocmd ex_ni
80 # define ex_doautoall ex_ni
81 #endif
82 #ifdef FEAT_LISTCMDS
83 static void ex_bunload __ARGS((exarg_T *eap));
84 static void ex_buffer __ARGS((exarg_T *eap));
85 static void ex_bmodified __ARGS((exarg_T *eap));
86 static void ex_bnext __ARGS((exarg_T *eap));
87 static void ex_bprevious __ARGS((exarg_T *eap));
88 static void ex_brewind __ARGS((exarg_T *eap));
89 static void ex_blast __ARGS((exarg_T *eap));
90 #else
91 # define ex_bunload ex_ni
92 # define ex_buffer ex_ni
93 # define ex_bmodified ex_ni
94 # define ex_bnext ex_ni
95 # define ex_bprevious ex_ni
96 # define ex_brewind ex_ni
97 # define ex_blast ex_ni
98 # define buflist_list ex_ni
99 # define ex_checktime ex_ni
100 #endif
101 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
102 # define ex_buffer_all ex_ni
103 #endif
104 static char_u *getargcmd __ARGS((char_u **));
105 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
106 static int getargopt __ARGS((exarg_T *eap));
107 #ifndef FEAT_QUICKFIX
108 # define ex_make ex_ni
109 # define ex_cbuffer ex_ni
110 # define ex_cc ex_ni
111 # define ex_cnext ex_ni
112 # define ex_cfile ex_ni
113 # define qf_list ex_ni
114 # define qf_age ex_ni
115 # define ex_helpgrep ex_ni
116 # define ex_vimgrep ex_ni
117 #endif
118 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
119 # define ex_cclose ex_ni
120 # define ex_copen ex_ni
121 # define ex_cwindow ex_ni
122 #endif
123 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
124 # define ex_cexpr ex_ni
125 #endif
126
127 static int check_more __ARGS((int, int));
128 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
129 static void get_flags __ARGS((exarg_T *eap));
130 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
131 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
215 static void ex_popup __ARGS((exarg_T *eap));
216 #else
217 # define ex_popup ex_ni
218 #endif
219 #ifndef FEAT_GUI_MSWIN
220 # define ex_simalt ex_ni
221 #endif
222 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
223 # define gui_mch_find_dialog ex_ni
224 # define gui_mch_replace_dialog ex_ni
225 #endif
226 #if !defined(FEAT_GUI_GTK)
227 # define ex_helpfind ex_ni
228 #endif
229 #ifndef FEAT_CSCOPE
230 # define do_cscope ex_ni
231 # define do_scscope ex_ni
232 # define do_cstag ex_ni
233 #endif
234 #ifndef FEAT_SYN_HL
235 # define ex_syntax ex_ni
236 #endif
237 #ifndef FEAT_SPELL
238 # define ex_spell ex_ni
239 # define ex_mkspell ex_ni
240 # define ex_spelldump ex_ni
241 # define ex_spellinfo ex_ni
242 # define ex_spellrepall ex_ni
243 #endif
244 #ifndef FEAT_MZSCHEME
245 # define ex_mzscheme ex_script_ni
246 # define ex_mzfile ex_ni
247 #endif
248 #ifndef FEAT_PERL
249 # define ex_perl ex_script_ni
250 # define ex_perldo ex_ni
251 #endif
252 #ifndef FEAT_PYTHON
253 # define ex_python ex_script_ni
254 # define ex_pyfile ex_ni
255 #endif
256 #ifndef FEAT_TCL
257 # define ex_tcl ex_script_ni
258 # define ex_tcldo ex_ni
259 # define ex_tclfile ex_ni
260 #endif
261 #ifndef FEAT_RUBY
262 # define ex_ruby ex_script_ni
263 # define ex_rubydo ex_ni
264 # define ex_rubyfile ex_ni
265 #endif
266 #ifndef FEAT_SNIFF
267 # define ex_sniff ex_ni
268 #endif
269 #ifndef FEAT_KEYMAP
270 # define ex_loadkeymap ex_ni
271 #endif
272 static void ex_swapname __ARGS((exarg_T *eap));
273 static void ex_syncbind __ARGS((exarg_T *eap));
274 static void ex_read __ARGS((exarg_T *eap));
275 static void ex_pwd __ARGS((exarg_T *eap));
276 static void ex_equal __ARGS((exarg_T *eap));
277 static void ex_sleep __ARGS((exarg_T *eap));
278 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
279 static void ex_winsize __ARGS((exarg_T *eap));
280 #ifdef FEAT_WINDOWS
281 static void ex_wincmd __ARGS((exarg_T *eap));
282 #else
283 # define ex_wincmd ex_ni
284 #endif
285 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
286 static void ex_winpos __ARGS((exarg_T *eap));
287 #else
288 # define ex_winpos ex_ni
289 #endif
290 static void ex_operators __ARGS((exarg_T *eap));
291 static void ex_put __ARGS((exarg_T *eap));
292 static void ex_copymove __ARGS((exarg_T *eap));
293 static void ex_may_print __ARGS((exarg_T *eap));
294 static void ex_submagic __ARGS((exarg_T *eap));
295 static void ex_join __ARGS((exarg_T *eap));
296 static void ex_at __ARGS((exarg_T *eap));
297 static void ex_bang __ARGS((exarg_T *eap));
298 static void ex_undo __ARGS((exarg_T *eap));
299 static void ex_redo __ARGS((exarg_T *eap));
300 static void ex_later __ARGS((exarg_T *eap));
301 static void ex_redir __ARGS((exarg_T *eap));
302 static void ex_redraw __ARGS((exarg_T *eap));
303 static void ex_redrawstatus __ARGS((exarg_T *eap));
304 static void close_redir __ARGS((void));
305 static void ex_mkrc __ARGS((exarg_T *eap));
306 static void ex_mark __ARGS((exarg_T *eap));
307 #ifdef FEAT_USR_CMDS
308 static char_u *uc_fun_cmd __ARGS((void));
309 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
310 #endif
311 #ifdef FEAT_EX_EXTRA
312 static void ex_normal __ARGS((exarg_T *eap));
313 static void ex_startinsert __ARGS((exarg_T *eap));
314 static void ex_stopinsert __ARGS((exarg_T *eap));
315 #else
316 # define ex_normal ex_ni
317 # define ex_align ex_ni
318 # define ex_retab ex_ni
319 # define ex_startinsert ex_ni
320 # define ex_stopinsert ex_ni
321 # define ex_helptags ex_ni
322 # define ex_sort ex_ni
323 #endif
324 #ifdef FEAT_FIND_ID
325 static void ex_checkpath __ARGS((exarg_T *eap));
326 static void ex_findpat __ARGS((exarg_T *eap));
327 #else
328 # define ex_findpat ex_ni
329 # define ex_checkpath ex_ni
330 #endif
331 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
332 static void ex_psearch __ARGS((exarg_T *eap));
333 #else
334 # define ex_psearch ex_ni
335 #endif
336 static void ex_tag __ARGS((exarg_T *eap));
337 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
338 #ifndef FEAT_EVAL
339 # define ex_scriptnames ex_ni
340 # define ex_finish ex_ni
341 # define ex_echo ex_ni
342 # define ex_echohl ex_ni
343 # define ex_execute ex_ni
344 # define ex_call ex_ni
345 # define ex_if ex_ni
346 # define ex_endif ex_ni
347 # define ex_else ex_ni
348 # define ex_while ex_ni
349 # define ex_for ex_ni
350 # define ex_continue ex_ni
351 # define ex_break ex_ni
352 # define ex_endwhile ex_ni
353 # define ex_endfor ex_ni
354 # define ex_throw ex_ni
355 # define ex_try ex_ni
356 # define ex_catch ex_ni
357 # define ex_finally ex_ni
358 # define ex_endtry ex_ni
359 # define ex_endfunction ex_ni
360 # define ex_let ex_ni
361 # define ex_unlet ex_ni
362 # define ex_lockvar ex_ni
363 # define ex_unlockvar ex_ni
364 # define ex_function ex_ni
365 # define ex_delfunction ex_ni
366 # define ex_return ex_ni
367 # define ex_oldfiles ex_ni
368 #endif
369 static char_u *arg_all __ARGS((void));
370 #ifdef FEAT_SESSION
371 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
372 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
373 static void ex_loadview __ARGS((exarg_T *eap));
374 static char_u *get_view_file __ARGS((int c));
375 static int did_lcd; /* whether ":lcd" was produced for a session */
376 #else
377 # define ex_loadview ex_ni
378 #endif
379 #ifndef FEAT_EVAL
380 # define ex_compiler ex_ni
381 #endif
382 #ifdef FEAT_VIMINFO
383 static void ex_viminfo __ARGS((exarg_T *eap));
384 #else
385 # define ex_viminfo ex_ni
386 #endif
387 static void ex_behave __ARGS((exarg_T *eap));
388 #ifdef FEAT_AUTOCMD
389 static void ex_filetype __ARGS((exarg_T *eap));
390 static void ex_setfiletype __ARGS((exarg_T *eap));
391 #else
392 # define ex_filetype ex_ni
393 # define ex_setfiletype ex_ni
394 #endif
395 #ifndef FEAT_DIFF
396 # define ex_diffoff ex_ni
397 # define ex_diffpatch ex_ni
398 # define ex_diffgetput ex_ni
399 # define ex_diffsplit ex_ni
400 # define ex_diffthis ex_ni
401 # define ex_diffupdate ex_ni
402 #endif
403 static void ex_digraphs __ARGS((exarg_T *eap));
404 static void ex_set __ARGS((exarg_T *eap));
405 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
406 # define ex_options ex_ni
407 #endif
408 #ifdef FEAT_SEARCH_EXTRA
409 static void ex_nohlsearch __ARGS((exarg_T *eap));
410 static void ex_match __ARGS((exarg_T *eap));
411 #else
412 # define ex_nohlsearch ex_ni
413 # define ex_match ex_ni
414 #endif
415 #ifdef FEAT_CRYPT
416 static void ex_X __ARGS((exarg_T *eap));
417 #else
418 # define ex_X ex_ni
419 #endif
420 #ifdef FEAT_FOLDING
421 static void ex_fold __ARGS((exarg_T *eap));
422 static void ex_foldopen __ARGS((exarg_T *eap));
423 static void ex_folddo __ARGS((exarg_T *eap));
424 #else
425 # define ex_fold ex_ni
426 # define ex_foldopen ex_ni
427 # define ex_folddo ex_ni
428 #endif
429 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
430 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
431 # define ex_language ex_ni
432 #endif
433 #ifndef FEAT_SIGNS
434 # define ex_sign ex_ni
435 #endif
436 #ifndef FEAT_SUN_WORKSHOP
437 # define ex_wsverb ex_ni
438 #endif
439 #ifndef FEAT_NETBEANS_INTG
440 # define ex_nbkey ex_ni
441 #endif
442
443 #ifndef FEAT_EVAL
444 # define ex_debug ex_ni
445 # define ex_breakadd ex_ni
446 # define ex_debuggreedy ex_ni
447 # define ex_breakdel ex_ni
448 # define ex_breaklist ex_ni
449 #endif
450
451 #ifndef FEAT_CMDHIST
452 # define ex_history ex_ni
453 #endif
454 #ifndef FEAT_JUMPLIST
455 # define ex_jumps ex_ni
456 # define ex_changes ex_ni
457 #endif
458
459 #ifndef FEAT_PROFILE
460 # define ex_profile ex_ni
461 #endif
462
463 /*
464 * Declare cmdnames[].
465 */
466 #define DO_DECLARE_EXCMD
467 #include "ex_cmds.h"
468
469 /*
470 * Table used to quickly search for a command, based on its first character.
471 */
472 static cmdidx_T cmdidxs[27] =
473 {
474 CMD_append,
475 CMD_buffer,
476 CMD_change,
477 CMD_delete,
478 CMD_edit,
479 CMD_file,
480 CMD_global,
481 CMD_help,
482 CMD_insert,
483 CMD_join,
484 CMD_k,
485 CMD_list,
486 CMD_move,
487 CMD_next,
488 CMD_open,
489 CMD_print,
490 CMD_quit,
491 CMD_read,
492 CMD_substitute,
493 CMD_t,
494 CMD_undo,
495 CMD_vglobal,
496 CMD_write,
497 CMD_xit,
498 CMD_yank,
499 CMD_z,
500 CMD_bang
501 };
502
503 static char_u dollar_command[2] = {'$', 0};
504
505
506 #ifdef FEAT_EVAL
507 /* Struct for storing a line inside a while/for loop */
508 typedef struct
509 {
510 char_u *line; /* command line */
511 linenr_T lnum; /* sourcing_lnum of the line */
512 } wcmd_T;
513
514 /*
515 * Structure used to store info for line position in a while or for loop.
516 * This is required, because do_one_cmd() may invoke ex_function(), which
517 * reads more lines that may come from the while/for loop.
518 */
519 struct loop_cookie
520 {
521 garray_T *lines_gap; /* growarray with line info */
522 int current_line; /* last read line from growarray */
523 int repeating; /* TRUE when looping a second time */
524 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
525 char_u *(*getline) __ARGS((int, void *, int));
526 void *cookie;
527 };
528
529 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
530 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
531 static void free_cmdlines __ARGS((garray_T *gap));
532
533 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
534 struct dbg_stuff
535 {
536 int trylevel;
537 int force_abort;
538 except_T *caught_stack;
539 char_u *vv_exception;
540 char_u *vv_throwpoint;
541 int did_emsg;
542 int got_int;
543 int did_throw;
544 int need_rethrow;
545 int check_cstack;
546 except_T *current_exception;
547 };
548
549 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
550 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
551
552 static void
553 save_dbg_stuff(dsp)
554 struct dbg_stuff *dsp;
555 {
556 dsp->trylevel = trylevel; trylevel = 0;
557 dsp->force_abort = force_abort; force_abort = FALSE;
558 dsp->caught_stack = caught_stack; caught_stack = NULL;
559 dsp->vv_exception = v_exception(NULL);
560 dsp->vv_throwpoint = v_throwpoint(NULL);
561
562 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
563 dsp->did_emsg = did_emsg; did_emsg = FALSE;
564 dsp->got_int = got_int; got_int = FALSE;
565 dsp->did_throw = did_throw; did_throw = FALSE;
566 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
567 dsp->check_cstack = check_cstack; check_cstack = FALSE;
568 dsp->current_exception = current_exception; current_exception = NULL;
569 }
570
571 static void
572 restore_dbg_stuff(dsp)
573 struct dbg_stuff *dsp;
574 {
575 suppress_errthrow = FALSE;
576 trylevel = dsp->trylevel;
577 force_abort = dsp->force_abort;
578 caught_stack = dsp->caught_stack;
579 (void)v_exception(dsp->vv_exception);
580 (void)v_throwpoint(dsp->vv_throwpoint);
581 did_emsg = dsp->did_emsg;
582 got_int = dsp->got_int;
583 did_throw = dsp->did_throw;
584 need_rethrow = dsp->need_rethrow;
585 check_cstack = dsp->check_cstack;
586 current_exception = dsp->current_exception;
587 }
588 #endif
589
590
591 /*
592 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
593 * command is given.
594 */
595 void
596 do_exmode(improved)
597 int improved; /* TRUE for "improved Ex" mode */
598 {
599 int save_msg_scroll;
600 int prev_msg_row;
601 linenr_T prev_line;
602 int changedtick;
603
604 if (improved)
605 exmode_active = EXMODE_VIM;
606 else
607 exmode_active = EXMODE_NORMAL;
608 State = NORMAL;
609
610 /* When using ":global /pat/ visual" and then "Q" we return to continue
611 * the :global command. */
612 if (global_busy)
613 return;
614
615 save_msg_scroll = msg_scroll;
616 ++RedrawingDisabled; /* don't redisplay the window */
617 ++no_wait_return; /* don't wait for return */
618 #ifdef FEAT_GUI
619 /* Ignore scrollbar and mouse events in Ex mode */
620 ++hold_gui_events;
621 #endif
622 #ifdef FEAT_SNIFF
623 want_sniff_request = 0; /* No K_SNIFF wanted */
624 #endif
625
626 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
627 while (exmode_active)
628 {
629 #ifdef FEAT_EX_EXTRA
630 /* Check for a ":normal" command and no more characters left. */
631 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
632 {
633 exmode_active = FALSE;
634 break;
635 }
636 #endif
637 msg_scroll = TRUE;
638 need_wait_return = FALSE;
639 ex_pressedreturn = FALSE;
640 ex_no_reprint = FALSE;
641 changedtick = curbuf->b_changedtick;
642 prev_msg_row = msg_row;
643 prev_line = curwin->w_cursor.lnum;
644 #ifdef FEAT_SNIFF
645 ProcessSniffRequests();
646 #endif
647 if (improved)
648 {
649 cmdline_row = msg_row;
650 do_cmdline(NULL, getexline, NULL, 0);
651 }
652 else
653 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
654 lines_left = Rows - 1;
655
656 if ((prev_line != curwin->w_cursor.lnum
657 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
658 {
659 if (curbuf->b_ml.ml_flags & ML_EMPTY)
660 EMSG(_(e_emptybuf));
661 else
662 {
663 if (ex_pressedreturn)
664 {
665 /* go up one line, to overwrite the ":<CR>" line, so the
666 * output doesn't contain empty lines. */
667 msg_row = prev_msg_row;
668 if (prev_msg_row == Rows - 1)
669 msg_row--;
670 }
671 msg_col = 0;
672 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
673 msg_clr_eos();
674 }
675 }
676 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
677 {
678 if (curbuf->b_ml.ml_flags & ML_EMPTY)
679 EMSG(_(e_emptybuf));
680 else
681 EMSG(_("E501: At end-of-file"));
682 }
683 }
684
685 #ifdef FEAT_GUI
686 --hold_gui_events;
687 #endif
688 --RedrawingDisabled;
689 --no_wait_return;
690 update_screen(CLEAR);
691 need_wait_return = FALSE;
692 msg_scroll = save_msg_scroll;
693 }
694
695 /*
696 * Execute a simple command line. Used for translated commands like "*".
697 */
698 int
699 do_cmdline_cmd(cmd)
700 char_u *cmd;
701 {
702 return do_cmdline(cmd, NULL, NULL,
703 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
704 }
705
706 /*
707 * do_cmdline(): execute one Ex command line
708 *
709 * 1. Execute "cmdline" when it is not NULL.
710 * If "cmdline" is NULL, or more lines are needed, getline() is used.
711 * 2. Split up in parts separated with '|'.
712 *
713 * This function can be called recursively!
714 *
715 * flags:
716 * DOCMD_VERBOSE - The command will be included in the error message.
717 * DOCMD_NOWAIT - Don't call wait_return() and friends.
718 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
719 * DOCMD_KEYTYPED - Don't reset KeyTyped.
720 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
721 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
722 *
723 * return FAIL if cmdline could not be executed, OK otherwise
724 */
725 int
726 do_cmdline(cmdline, getline, cookie, flags)
727 char_u *cmdline;
728 char_u *(*getline) __ARGS((int, void *, int));
729 void *cookie; /* argument for getline() */
730 int flags;
731 {
732 char_u *next_cmdline; /* next cmd to execute */
733 char_u *cmdline_copy = NULL; /* copy of cmd line */
734 int used_getline = FALSE; /* used "getline" to obtain command */
735 static int recursive = 0; /* recursive depth */
736 int msg_didout_before_start = 0;
737 int count = 0; /* line number count */
738 int did_inc = FALSE; /* incremented RedrawingDisabled */
739 int retval = OK;
740 #ifdef FEAT_EVAL
741 struct condstack cstack; /* conditional stack */
742 garray_T lines_ga; /* keep lines for ":while"/":for" */
743 int current_line = 0; /* active line in lines_ga */
744 char_u *fname = NULL; /* function or script name */
745 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
746 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
747 struct dbg_stuff debug_saved; /* saved things for debug mode */
748 int initial_trylevel;
749 struct msglist **saved_msg_list = NULL;
750 struct msglist *private_msg_list;
751
752 /* "getline" and "cookie" passed to do_one_cmd() */
753 char_u *(*cmd_getline) __ARGS((int, void *, int));
754 void *cmd_cookie;
755 struct loop_cookie cmd_loop_cookie;
756 void *real_cookie;
757 int getline_is_func;
758 #else
759 # define cmd_getline getline
760 # define cmd_cookie cookie
761 #endif
762 static int call_depth = 0; /* recursiveness */
763
764 #ifdef FEAT_EVAL
765 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
766 * location for storing error messages to be converted to an exception.
767 * This ensures that the do_errthrow() call in do_one_cmd() does not
768 * combine the messages stored by an earlier invocation of do_one_cmd()
769 * with the command name of the later one. This would happen when
770 * BufWritePost autocommands are executed after a write error. */
771 saved_msg_list = msg_list;
772 msg_list = &private_msg_list;
773 private_msg_list = NULL;
774 #endif
775
776 /* It's possible to create an endless loop with ":execute", catch that
777 * here. The value of 200 allows nested function calls, ":source", etc. */
778 if (call_depth == 200)
779 {
780 EMSG(_("E169: Command too recursive"));
781 #ifdef FEAT_EVAL
782 /* When converting to an exception, we do not include the command name
783 * since this is not an error of the specific command. */
784 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
785 msg_list = saved_msg_list;
786 #endif
787 return FAIL;
788 }
789 ++call_depth;
790
791 #ifdef FEAT_EVAL
792 cstack.cs_idx = -1;
793 cstack.cs_looplevel = 0;
794 cstack.cs_trylevel = 0;
795 cstack.cs_emsg_silent_list = NULL;
796 cstack.cs_lflags = 0;
797 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
798
799 real_cookie = getline_cookie(getline, cookie);
800
801 /* Inside a function use a higher nesting level. */
802 getline_is_func = getline_equal(getline, cookie, get_func_line);
803 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
804 ++ex_nesting_level;
805
806 /* Get the function or script name and the address where the next breakpoint
807 * line and the debug tick for a function or script are stored. */
808 if (getline_is_func)
809 {
810 fname = func_name(real_cookie);
811 breakpoint = func_breakpoint(real_cookie);
812 dbg_tick = func_dbg_tick(real_cookie);
813 }
814 else if (getline_equal(getline, cookie, getsourceline))
815 {
816 fname = sourcing_name;
817 breakpoint = source_breakpoint(real_cookie);
818 dbg_tick = source_dbg_tick(real_cookie);
819 }
820
821 /*
822 * Initialize "force_abort" and "suppress_errthrow" at the top level.
823 */
824 if (!recursive)
825 {
826 force_abort = FALSE;
827 suppress_errthrow = FALSE;
828 }
829
830 /*
831 * If requested, store and reset the global values controlling the
832 * exception handling (used when debugging). Otherwise clear it to avoid
833 * a bogus compiler warning when the optimizer uses inline functions...
834 */
835 if (flags & DOCMD_EXCRESET)
836 save_dbg_stuff(&debug_saved);
837 else
838 memset(&debug_saved, 0, 1);
839
840 initial_trylevel = trylevel;
841
842 /*
843 * "did_throw" will be set to TRUE when an exception is being thrown.
844 */
845 did_throw = FALSE;
846 #endif
847 /*
848 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
849 * cancel the whole command line, and any if/endif or loop.
850 * If force_abort is set, we cancel everything.
851 */
852 did_emsg = FALSE;
853
854 /*
855 * KeyTyped is only set when calling vgetc(). Reset it here when not
856 * calling vgetc() (sourced command lines).
857 */
858 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
859 KeyTyped = FALSE;
860
861 /*
862 * Continue executing command lines:
863 * - when inside an ":if", ":while" or ":for"
864 * - for multiple commands on one line, separated with '|'
865 * - when repeating until there are no more lines (for ":source")
866 */
867 next_cmdline = cmdline;
868 do
869 {
870 #ifdef FEAT_EVAL
871 getline_is_func = getline_equal(getline, cookie, get_func_line);
872 #endif
873
874 /* stop skipping cmds for an error msg after all endif/while/for */
875 if (next_cmdline == NULL
876 #ifdef FEAT_EVAL
877 && !force_abort
878 && cstack.cs_idx < 0
879 && !(getline_is_func && func_has_abort(real_cookie))
880 #endif
881 )
882 did_emsg = FALSE;
883
884 /*
885 * 1. If repeating a line in a loop, get a line from lines_ga.
886 * 2. If no line given: Get an allocated line with getline().
887 * 3. If a line is given: Make a copy, so we can mess with it.
888 */
889
890 #ifdef FEAT_EVAL
891 /* 1. If repeating, get a previous line from lines_ga. */
892 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
893 {
894 /* Each '|' separated command is stored separately in lines_ga, to
895 * be able to jump to it. Don't use next_cmdline now. */
896 vim_free(cmdline_copy);
897 cmdline_copy = NULL;
898
899 /* Check if a function has returned or, unless it has an unclosed
900 * try conditional, aborted. */
901 if (getline_is_func)
902 {
903 # ifdef FEAT_PROFILE
904 if (do_profiling == PROF_YES)
905 func_line_end(real_cookie);
906 # endif
907 if (func_has_ended(real_cookie))
908 {
909 retval = FAIL;
910 break;
911 }
912 }
913 #ifdef FEAT_PROFILE
914 else if (do_profiling == PROF_YES
915 && getline_equal(getline, cookie, getsourceline))
916 script_line_end();
917 #endif
918
919 /* Check if a sourced file hit a ":finish" command. */
920 if (source_finished(getline, cookie))
921 {
922 retval = FAIL;
923 break;
924 }
925
926 /* If breakpoints have been added/deleted need to check for it. */
927 if (breakpoint != NULL && dbg_tick != NULL
928 && *dbg_tick != debug_tick)
929 {
930 *breakpoint = dbg_find_breakpoint(
931 getline_equal(getline, cookie, getsourceline),
932 fname, sourcing_lnum);
933 *dbg_tick = debug_tick;
934 }
935
936 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
937 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
938
939 /* Did we encounter a breakpoint? */
940 if (breakpoint != NULL && *breakpoint != 0
941 && *breakpoint <= sourcing_lnum)
942 {
943 dbg_breakpoint(fname, sourcing_lnum);
944 /* Find next breakpoint. */
945 *breakpoint = dbg_find_breakpoint(
946 getline_equal(getline, cookie, getsourceline),
947 fname, sourcing_lnum);
948 *dbg_tick = debug_tick;
949 }
950 # ifdef FEAT_PROFILE
951 if (do_profiling == PROF_YES)
952 {
953 if (getline_is_func)
954 func_line_start(real_cookie);
955 else if (getline_equal(getline, cookie, getsourceline))
956 script_line_start();
957 }
958 # endif
959 }
960
961 if (cstack.cs_looplevel > 0)
962 {
963 /* Inside a while/for loop we need to store the lines and use them
964 * again. Pass a different "getline" function to do_one_cmd()
965 * below, so that it stores lines in or reads them from
966 * "lines_ga". Makes it possible to define a function inside a
967 * while/for loop. */
968 cmd_getline = get_loop_line;
969 cmd_cookie = (void *)&cmd_loop_cookie;
970 cmd_loop_cookie.lines_gap = &lines_ga;
971 cmd_loop_cookie.current_line = current_line;
972 cmd_loop_cookie.getline = getline;
973 cmd_loop_cookie.cookie = cookie;
974 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
975 }
976 else
977 {
978 cmd_getline = getline;
979 cmd_cookie = cookie;
980 }
981 #endif
982
983 /* 2. If no line given, get an allocated line with getline(). */
984 if (next_cmdline == NULL)
985 {
986 /*
987 * Need to set msg_didout for the first line after an ":if",
988 * otherwise the ":if" will be overwritten.
989 */
990 if (count == 1 && getline_equal(getline, cookie, getexline))
991 msg_didout = TRUE;
992 if (getline == NULL || (next_cmdline = getline(':', cookie,
993 #ifdef FEAT_EVAL
994 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
995 #else
996 0
997 #endif
998 )) == NULL)
999 {
1000 /* Don't call wait_return for aborted command line. The NULL
1001 * returned for the end of a sourced file or executed function
1002 * doesn't do this. */
1003 if (KeyTyped && !(flags & DOCMD_REPEAT))
1004 need_wait_return = FALSE;
1005 retval = FAIL;
1006 break;
1007 }
1008 used_getline = TRUE;
1009
1010 /*
1011 * Keep the first typed line. Clear it when more lines are typed.
1012 */
1013 if (flags & DOCMD_KEEPLINE)
1014 {
1015 vim_free(repeat_cmdline);
1016 if (count == 0)
1017 repeat_cmdline = vim_strsave(next_cmdline);
1018 else
1019 repeat_cmdline = NULL;
1020 }
1021 }
1022
1023 /* 3. Make a copy of the command so we can mess with it. */
1024 else if (cmdline_copy == NULL)
1025 {
1026 next_cmdline = vim_strsave(next_cmdline);
1027 if (next_cmdline == NULL)
1028 {
1029 EMSG(_(e_outofmem));
1030 retval = FAIL;
1031 break;
1032 }
1033 }
1034 cmdline_copy = next_cmdline;
1035
1036 #ifdef FEAT_EVAL
1037 /*
1038 * Save the current line when inside a ":while" or ":for", and when
1039 * the command looks like a ":while" or ":for", because we may need it
1040 * later. When there is a '|' and another command, it is stored
1041 * separately, because we need to be able to jump back to it from an
1042 * :endwhile/:endfor.
1043 */
1044 if (current_line == lines_ga.ga_len
1045 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1046 {
1047 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1048 {
1049 retval = FAIL;
1050 break;
1051 }
1052 }
1053 did_endif = FALSE;
1054 #endif
1055
1056 if (count++ == 0)
1057 {
1058 /*
1059 * All output from the commands is put below each other, without
1060 * waiting for a return. Don't do this when executing commands
1061 * from a script or when being called recursive (e.g. for ":e
1062 * +command file").
1063 */
1064 if (!(flags & DOCMD_NOWAIT) && !recursive)
1065 {
1066 msg_didout_before_start = msg_didout;
1067 msg_didany = FALSE; /* no output yet */
1068 msg_start();
1069 msg_scroll = TRUE; /* put messages below each other */
1070 ++no_wait_return; /* dont wait for return until finished */
1071 ++RedrawingDisabled;
1072 did_inc = TRUE;
1073 }
1074 }
1075
1076 if (p_verbose >= 15 && sourcing_name != NULL)
1077 {
1078 ++no_wait_return;
1079 verbose_enter_scroll();
1080
1081 smsg((char_u *)_("line %ld: %s"),
1082 (long)sourcing_lnum, cmdline_copy);
1083 if (msg_silent == 0)
1084 msg_puts((char_u *)"\n"); /* don't overwrite this */
1085
1086 verbose_leave_scroll();
1087 --no_wait_return;
1088 }
1089
1090 /*
1091 * 2. Execute one '|' separated command.
1092 * do_one_cmd() will return NULL if there is no trailing '|'.
1093 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1094 */
1095 ++recursive;
1096 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1097 #ifdef FEAT_EVAL
1098 &cstack,
1099 #endif
1100 cmd_getline, cmd_cookie);
1101 --recursive;
1102
1103 #ifdef FEAT_EVAL
1104 if (cmd_cookie == (void *)&cmd_loop_cookie)
1105 /* Use "current_line" from "cmd_loop_cookie", it may have been
1106 * incremented when defining a function. */
1107 current_line = cmd_loop_cookie.current_line;
1108 #endif
1109
1110 if (next_cmdline == NULL)
1111 {
1112 vim_free(cmdline_copy);
1113 cmdline_copy = NULL;
1114 #ifdef FEAT_CMDHIST
1115 /*
1116 * If the command was typed, remember it for the ':' register.
1117 * Do this AFTER executing the command to make :@: work.
1118 */
1119 if (getline_equal(getline, cookie, getexline)
1120 && new_last_cmdline != NULL)
1121 {
1122 vim_free(last_cmdline);
1123 last_cmdline = new_last_cmdline;
1124 new_last_cmdline = NULL;
1125 }
1126 #endif
1127 }
1128 else
1129 {
1130 /* need to copy the command after the '|' to cmdline_copy, for the
1131 * next do_one_cmd() */
1132 STRMOVE(cmdline_copy, next_cmdline);
1133 next_cmdline = cmdline_copy;
1134 }
1135
1136
1137 #ifdef FEAT_EVAL
1138 /* reset did_emsg for a function that is not aborted by an error */
1139 if (did_emsg && !force_abort
1140 && getline_equal(getline, cookie, get_func_line)
1141 && !func_has_abort(real_cookie))
1142 did_emsg = FALSE;
1143
1144 if (cstack.cs_looplevel > 0)
1145 {
1146 ++current_line;
1147
1148 /*
1149 * An ":endwhile", ":endfor" and ":continue" is handled here.
1150 * If we were executing commands, jump back to the ":while" or
1151 * ":for".
1152 * If we were not executing commands, decrement cs_looplevel.
1153 */
1154 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1155 {
1156 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1157
1158 /* Jump back to the matching ":while" or ":for". Be careful
1159 * not to use a cs_line[] from an entry that isn't a ":while"
1160 * or ":for": It would make "current_line" invalid and can
1161 * cause a crash. */
1162 if (!did_emsg && !got_int && !did_throw
1163 && cstack.cs_idx >= 0
1164 && (cstack.cs_flags[cstack.cs_idx]
1165 & (CSF_WHILE | CSF_FOR))
1166 && cstack.cs_line[cstack.cs_idx] >= 0
1167 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1168 {
1169 current_line = cstack.cs_line[cstack.cs_idx];
1170 /* remember we jumped there */
1171 cstack.cs_lflags |= CSL_HAD_LOOP;
1172 line_breakcheck(); /* check if CTRL-C typed */
1173
1174 /* Check for the next breakpoint at or after the ":while"
1175 * or ":for". */
1176 if (breakpoint != NULL)
1177 {
1178 *breakpoint = dbg_find_breakpoint(
1179 getline_equal(getline, cookie, getsourceline),
1180 fname,
1181 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1182 *dbg_tick = debug_tick;
1183 }
1184 }
1185 else
1186 {
1187 /* can only get here with ":endwhile" or ":endfor" */
1188 if (cstack.cs_idx >= 0)
1189 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1190 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1191 }
1192 }
1193
1194 /*
1195 * For a ":while" or ":for" we need to remember the line number.
1196 */
1197 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1198 {
1199 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1200 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1201 }
1202 }
1203
1204 /*
1205 * When not inside any ":while" loop, clear remembered lines.
1206 */
1207 if (cstack.cs_looplevel == 0)
1208 {
1209 if (lines_ga.ga_len > 0)
1210 {
1211 sourcing_lnum =
1212 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1213 free_cmdlines(&lines_ga);
1214 }
1215 current_line = 0;
1216 }
1217
1218 /*
1219 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1220 * being restored at the ":endtry". Reset them here and set the
1221 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1222 * This includes the case where a missing ":endif", ":endwhile" or
1223 * ":endfor" was detected by the ":finally" itself.
1224 */
1225 if (cstack.cs_lflags & CSL_HAD_FINA)
1226 {
1227 cstack.cs_lflags &= ~CSL_HAD_FINA;
1228 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1229 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1230 did_throw ? (void *)current_exception : NULL);
1231 did_emsg = got_int = did_throw = FALSE;
1232 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1233 }
1234
1235 /* Update global "trylevel" for recursive calls to do_cmdline() from
1236 * within this loop. */
1237 trylevel = initial_trylevel + cstack.cs_trylevel;
1238
1239 /*
1240 * If the outermost try conditional (across function calls and sourced
1241 * files) is aborted because of an error, an interrupt, or an uncaught
1242 * exception, cancel everything. If it is left normally, reset
1243 * force_abort to get the non-EH compatible abortion behavior for
1244 * the rest of the script.
1245 */
1246 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1247 force_abort = FALSE;
1248
1249 /* Convert an interrupt to an exception if appropriate. */
1250 (void)do_intthrow(&cstack);
1251 #endif /* FEAT_EVAL */
1252
1253 }
1254 /*
1255 * Continue executing command lines when:
1256 * - no CTRL-C typed, no aborting error, no exception thrown or try
1257 * conditionals need to be checked for executing finally clauses or
1258 * catching an interrupt exception
1259 * - didn't get an error message or lines are not typed
1260 * - there is a command after '|', inside a :if, :while, :for or :try, or
1261 * looping for ":source" command or function call.
1262 */
1263 while (!((got_int
1264 #ifdef FEAT_EVAL
1265 || (did_emsg && force_abort) || did_throw
1266 #endif
1267 )
1268 #ifdef FEAT_EVAL
1269 && cstack.cs_trylevel == 0
1270 #endif
1271 )
1272 && !(did_emsg && used_getline
1273 && (getline_equal(getline, cookie, getexmodeline)
1274 || getline_equal(getline, cookie, getexline)))
1275 && (next_cmdline != NULL
1276 #ifdef FEAT_EVAL
1277 || cstack.cs_idx >= 0
1278 #endif
1279 || (flags & DOCMD_REPEAT)));
1280
1281 vim_free(cmdline_copy);
1282 #ifdef FEAT_EVAL
1283 free_cmdlines(&lines_ga);
1284 ga_clear(&lines_ga);
1285
1286 if (cstack.cs_idx >= 0)
1287 {
1288 /*
1289 * If a sourced file or executed function ran to its end, report the
1290 * unclosed conditional.
1291 */
1292 if (!got_int && !did_throw
1293 && ((getline_equal(getline, cookie, getsourceline)
1294 && !source_finished(getline, cookie))
1295 || (getline_equal(getline, cookie, get_func_line)
1296 && !func_has_ended(real_cookie))))
1297 {
1298 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1299 EMSG(_(e_endtry));
1300 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1301 EMSG(_(e_endwhile));
1302 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1303 EMSG(_(e_endfor));
1304 else
1305 EMSG(_(e_endif));
1306 }
1307
1308 /*
1309 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1310 * ":endtry" in a sourced file or executed function. If the try
1311 * conditional is in its finally clause, ignore anything pending.
1312 * If it is in a catch clause, finish the caught exception.
1313 * Also cleanup any "cs_forinfo" structures.
1314 */
1315 do
1316 {
1317 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1318
1319 if (idx >= 0)
1320 --idx; /* remove try block not in its finally clause */
1321 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1322 &cstack.cs_looplevel);
1323 }
1324 while (cstack.cs_idx >= 0);
1325 trylevel = initial_trylevel;
1326 }
1327
1328 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1329 * lack was reported above and the error message is to be converted to an
1330 * exception, do this now after rewinding the cstack. */
1331 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1332 ? (char_u *)"endfunction" : (char_u *)NULL);
1333
1334 if (trylevel == 0)
1335 {
1336 /*
1337 * When an exception is being thrown out of the outermost try
1338 * conditional, discard the uncaught exception, disable the conversion
1339 * of interrupts or errors to exceptions, and ensure that no more
1340 * commands are executed.
1341 */
1342 if (did_throw)
1343 {
1344 void *p = NULL;
1345 char_u *saved_sourcing_name;
1346 int saved_sourcing_lnum;
1347 struct msglist *messages = NULL, *next;
1348
1349 /*
1350 * If the uncaught exception is a user exception, report it as an
1351 * error. If it is an error exception, display the saved error
1352 * message now. For an interrupt exception, do nothing; the
1353 * interrupt message is given elsewhere.
1354 */
1355 switch (current_exception->type)
1356 {
1357 case ET_USER:
1358 vim_snprintf((char *)IObuff, IOSIZE,
1359 _("E605: Exception not caught: %s"),
1360 current_exception->value);
1361 p = vim_strsave(IObuff);
1362 break;
1363 case ET_ERROR:
1364 messages = current_exception->messages;
1365 current_exception->messages = NULL;
1366 break;
1367 case ET_INTERRUPT:
1368 break;
1369 default:
1370 p = vim_strsave((char_u *)_(e_internal));
1371 }
1372
1373 saved_sourcing_name = sourcing_name;
1374 saved_sourcing_lnum = sourcing_lnum;
1375 sourcing_name = current_exception->throw_name;
1376 sourcing_lnum = current_exception->throw_lnum;
1377 current_exception->throw_name = NULL;
1378
1379 discard_current_exception(); /* uses IObuff if 'verbose' */
1380 suppress_errthrow = TRUE;
1381 force_abort = TRUE;
1382
1383 if (messages != NULL)
1384 {
1385 do
1386 {
1387 next = messages->next;
1388 emsg(messages->msg);
1389 vim_free(messages->msg);
1390 vim_free(messages);
1391 messages = next;
1392 }
1393 while (messages != NULL);
1394 }
1395 else if (p != NULL)
1396 {
1397 emsg(p);
1398 vim_free(p);
1399 }
1400 vim_free(sourcing_name);
1401 sourcing_name = saved_sourcing_name;
1402 sourcing_lnum = saved_sourcing_lnum;
1403 }
1404
1405 /*
1406 * On an interrupt or an aborting error not converted to an exception,
1407 * disable the conversion of errors to exceptions. (Interrupts are not
1408 * converted any more, here.) This enables also the interrupt message
1409 * when force_abort is set and did_emsg unset in case of an interrupt
1410 * from a finally clause after an error.
1411 */
1412 else if (got_int || (did_emsg && force_abort))
1413 suppress_errthrow = TRUE;
1414 }
1415
1416 /*
1417 * The current cstack will be freed when do_cmdline() returns. An uncaught
1418 * exception will have to be rethrown in the previous cstack. If a function
1419 * has just returned or a script file was just finished and the previous
1420 * cstack belongs to the same function or, respectively, script file, it
1421 * will have to be checked for finally clauses to be executed due to the
1422 * ":return" or ":finish". This is done in do_one_cmd().
1423 */
1424 if (did_throw)
1425 need_rethrow = TRUE;
1426 if ((getline_equal(getline, cookie, getsourceline)
1427 && ex_nesting_level > source_level(real_cookie))
1428 || (getline_equal(getline, cookie, get_func_line)
1429 && ex_nesting_level > func_level(real_cookie) + 1))
1430 {
1431 if (!did_throw)
1432 check_cstack = TRUE;
1433 }
1434 else
1435 {
1436 /* When leaving a function, reduce nesting level. */
1437 if (getline_equal(getline, cookie, get_func_line))
1438 --ex_nesting_level;
1439 /*
1440 * Go to debug mode when returning from a function in which we are
1441 * single-stepping.
1442 */
1443 if ((getline_equal(getline, cookie, getsourceline)
1444 || getline_equal(getline, cookie, get_func_line))
1445 && ex_nesting_level + 1 <= debug_break_level)
1446 do_debug(getline_equal(getline, cookie, getsourceline)
1447 ? (char_u *)_("End of sourced file")
1448 : (char_u *)_("End of function"));
1449 }
1450
1451 /*
1452 * Restore the exception environment (done after returning from the
1453 * debugger).
1454 */
1455 if (flags & DOCMD_EXCRESET)
1456 restore_dbg_stuff(&debug_saved);
1457
1458 msg_list = saved_msg_list;
1459 #endif /* FEAT_EVAL */
1460
1461 /*
1462 * If there was too much output to fit on the command line, ask the user to
1463 * hit return before redrawing the screen. With the ":global" command we do
1464 * this only once after the command is finished.
1465 */
1466 if (did_inc)
1467 {
1468 --RedrawingDisabled;
1469 --no_wait_return;
1470 msg_scroll = FALSE;
1471
1472 /*
1473 * When just finished an ":if"-":else" which was typed, no need to
1474 * wait for hit-return. Also for an error situation.
1475 */
1476 if (retval == FAIL
1477 #ifdef FEAT_EVAL
1478 || (did_endif && KeyTyped && !did_emsg)
1479 #endif
1480 )
1481 {
1482 need_wait_return = FALSE;
1483 msg_didany = FALSE; /* don't wait when restarting edit */
1484 }
1485 else if (need_wait_return)
1486 {
1487 /*
1488 * The msg_start() above clears msg_didout. The wait_return we do
1489 * here should not overwrite the command that may be shown before
1490 * doing that.
1491 */
1492 msg_didout |= msg_didout_before_start;
1493 wait_return(FALSE);
1494 }
1495 }
1496
1497 #ifndef FEAT_EVAL
1498 /*
1499 * Reset if_level, in case a sourced script file contains more ":if" than
1500 * ":endif" (could be ":if x | foo | endif").
1501 */
1502 if_level = 0;
1503 #endif
1504
1505 --call_depth;
1506 return retval;
1507 }
1508
1509 #ifdef FEAT_EVAL
1510 /*
1511 * Obtain a line when inside a ":while" or ":for" loop.
1512 */
1513 static char_u *
1514 get_loop_line(c, cookie, indent)
1515 int c;
1516 void *cookie;
1517 int indent;
1518 {
1519 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1520 wcmd_T *wp;
1521 char_u *line;
1522
1523 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1524 {
1525 if (cp->repeating)
1526 return NULL; /* trying to read past ":endwhile"/":endfor" */
1527
1528 /* First time inside the ":while"/":for": get line normally. */
1529 if (cp->getline == NULL)
1530 line = getcmdline(c, 0L, indent);
1531 else
1532 line = cp->getline(c, cp->cookie, indent);
1533 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1534 ++cp->current_line;
1535
1536 return line;
1537 }
1538
1539 KeyTyped = FALSE;
1540 ++cp->current_line;
1541 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1542 sourcing_lnum = wp->lnum;
1543 return vim_strsave(wp->line);
1544 }
1545
1546 /*
1547 * Store a line in "gap" so that a ":while" loop can execute it again.
1548 */
1549 static int
1550 store_loop_line(gap, line)
1551 garray_T *gap;
1552 char_u *line;
1553 {
1554 if (ga_grow(gap, 1) == FAIL)
1555 return FAIL;
1556 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1557 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1558 ++gap->ga_len;
1559 return OK;
1560 }
1561
1562 /*
1563 * Free the lines stored for a ":while" or ":for" loop.
1564 */
1565 static void
1566 free_cmdlines(gap)
1567 garray_T *gap;
1568 {
1569 while (gap->ga_len > 0)
1570 {
1571 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1572 --gap->ga_len;
1573 }
1574 }
1575 #endif
1576
1577 /*
1578 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1579 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1580 */
1581 /*ARGSUSED*/
1582 int
1583 getline_equal(fgetline, cookie, func)
1584 char_u *(*fgetline) __ARGS((int, void *, int));
1585 void *cookie; /* argument for fgetline() */
1586 char_u *(*func) __ARGS((int, void *, int));
1587 {
1588 #ifdef FEAT_EVAL
1589 char_u *(*gp) __ARGS((int, void *, int));
1590 struct loop_cookie *cp;
1591
1592 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1593 * function that's originally used to obtain the lines. This may be
1594 * nested several levels. */
1595 gp = fgetline;
1596 cp = (struct loop_cookie *)cookie;
1597 while (gp == get_loop_line)
1598 {
1599 gp = cp->getline;
1600 cp = cp->cookie;
1601 }
1602 return gp == func;
1603 #else
1604 return fgetline == func;
1605 #endif
1606 }
1607
1608 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1609 /*
1610 * If "fgetline" is get_loop_line(), return the cookie used by the original
1611 * getline function. Otherwise return "cookie".
1612 */
1613 /*ARGSUSED*/
1614 void *
1615 getline_cookie(fgetline, cookie)
1616 char_u *(*fgetline) __ARGS((int, void *, int));
1617 void *cookie; /* argument for fgetline() */
1618 {
1619 # ifdef FEAT_EVAL
1620 char_u *(*gp) __ARGS((int, void *, int));
1621 struct loop_cookie *cp;
1622
1623 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1624 * cookie that's originally used to obtain the lines. This may be nested
1625 * several levels. */
1626 gp = fgetline;
1627 cp = (struct loop_cookie *)cookie;
1628 while (gp == get_loop_line)
1629 {
1630 gp = cp->getline;
1631 cp = cp->cookie;
1632 }
1633 return cp;
1634 # else
1635 return cookie;
1636 # endif
1637 }
1638 #endif
1639
1640 /*
1641 * Execute one Ex command.
1642 *
1643 * If 'sourcing' is TRUE, the command will be included in the error message.
1644 *
1645 * 1. skip comment lines and leading space
1646 * 2. handle command modifiers
1647 * 3. parse range
1648 * 4. parse command
1649 * 5. parse arguments
1650 * 6. switch on command name
1651 *
1652 * Note: "fgetline" can be NULL.
1653 *
1654 * This function may be called recursively!
1655 */
1656 #if (_MSC_VER == 1200)
1657 /*
1658 * Avoid optimisation bug in VC++ version 6.0
1659 */
1660 #pragma optimize( "g", off )
1661 #endif
1662 static char_u *
1663 do_one_cmd(cmdlinep, sourcing,
1664 #ifdef FEAT_EVAL
1665 cstack,
1666 #endif
1667 fgetline, cookie)
1668 char_u **cmdlinep;
1669 int sourcing;
1670 #ifdef FEAT_EVAL
1671 struct condstack *cstack;
1672 #endif
1673 char_u *(*fgetline) __ARGS((int, void *, int));
1674 void *cookie; /* argument for fgetline() */
1675 {
1676 char_u *p;
1677 linenr_T lnum;
1678 long n;
1679 char_u *errormsg = NULL; /* error message */
1680 exarg_T ea; /* Ex command arguments */
1681 long verbose_save = -1;
1682 int save_msg_scroll = 0;
1683 int did_silent = 0;
1684 int did_esilent = 0;
1685 #ifdef HAVE_SANDBOX
1686 int did_sandbox = FALSE;
1687 #endif
1688 cmdmod_T save_cmdmod;
1689 int ni; /* set when Not Implemented */
1690
1691 vim_memset(&ea, 0, sizeof(ea));
1692 ea.line1 = 1;
1693 ea.line2 = 1;
1694 #ifdef FEAT_EVAL
1695 ++ex_nesting_level;
1696 #endif
1697
1698 /* when not editing the last file :q has to be typed twice */
1699 if (quitmore
1700 #ifdef FEAT_EVAL
1701 /* avoid that a function call in 'statusline' does this */
1702 && !getline_equal(fgetline, cookie, get_func_line)
1703 #endif
1704 )
1705 --quitmore;
1706
1707 /*
1708 * Reset browse, confirm, etc.. They are restored when returning, for
1709 * recursive calls.
1710 */
1711 save_cmdmod = cmdmod;
1712 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1713
1714 /* "#!anything" is handled like a comment. */
1715 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1716 goto doend;
1717
1718 /*
1719 * Repeat until no more command modifiers are found.
1720 */
1721 ea.cmd = *cmdlinep;
1722 for (;;)
1723 {
1724 /*
1725 * 1. skip comment lines and leading white space and colons
1726 */
1727 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1728 ++ea.cmd;
1729
1730 /* in ex mode, an empty line works like :+ */
1731 if (*ea.cmd == NUL && exmode_active
1732 && (getline_equal(fgetline, cookie, getexmodeline)
1733 || getline_equal(fgetline, cookie, getexline))
1734 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1735 {
1736 ea.cmd = (char_u *)"+";
1737 ex_pressedreturn = TRUE;
1738 }
1739
1740 /* ignore comment and empty lines */
1741 if (*ea.cmd == '"')
1742 goto doend;
1743 if (*ea.cmd == NUL)
1744 {
1745 ex_pressedreturn = TRUE;
1746 goto doend;
1747 }
1748
1749 /*
1750 * 2. handle command modifiers.
1751 */
1752 p = ea.cmd;
1753 if (VIM_ISDIGIT(*ea.cmd))
1754 p = skipwhite(skipdigits(ea.cmd));
1755 switch (*p)
1756 {
1757 /* When adding an entry, also modify cmd_exists(). */
1758 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1759 break;
1760 #ifdef FEAT_WINDOWS
1761 cmdmod.split |= WSP_ABOVE;
1762 #endif
1763 continue;
1764
1765 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1766 {
1767 #ifdef FEAT_WINDOWS
1768 cmdmod.split |= WSP_BELOW;
1769 #endif
1770 continue;
1771 }
1772 if (checkforcmd(&ea.cmd, "browse", 3))
1773 {
1774 #ifdef FEAT_BROWSE_CMD
1775 cmdmod.browse = TRUE;
1776 #endif
1777 continue;
1778 }
1779 if (!checkforcmd(&ea.cmd, "botright", 2))
1780 break;
1781 #ifdef FEAT_WINDOWS
1782 cmdmod.split |= WSP_BOT;
1783 #endif
1784 continue;
1785
1786 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1787 break;
1788 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1789 cmdmod.confirm = TRUE;
1790 #endif
1791 continue;
1792
1793 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1794 {
1795 cmdmod.keepmarks = TRUE;
1796 continue;
1797 }
1798 if (checkforcmd(&ea.cmd, "keepalt", 5))
1799 {
1800 cmdmod.keepalt = TRUE;
1801 continue;
1802 }
1803 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1804 break;
1805 cmdmod.keepjumps = TRUE;
1806 continue;
1807
1808 /* ":hide" and ":hide | cmd" are not modifiers */
1809 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1810 || *p == NUL || ends_excmd(*p))
1811 break;
1812 ea.cmd = p;
1813 cmdmod.hide = TRUE;
1814 continue;
1815
1816 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1817 {
1818 cmdmod.lockmarks = TRUE;
1819 continue;
1820 }
1821
1822 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1823 break;
1824 #ifdef FEAT_WINDOWS
1825 cmdmod.split |= WSP_ABOVE;
1826 #endif
1827 continue;
1828
1829 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1830 break;
1831 #ifdef FEAT_AUTOCMD
1832 if (cmdmod.save_ei == NULL)
1833 {
1834 /* Set 'eventignore' to "all". Restore the
1835 * existing option value later. */
1836 cmdmod.save_ei = vim_strsave(p_ei);
1837 set_string_option_direct((char_u *)"ei", -1,
1838 (char_u *)"all", OPT_FREE, SID_NONE);
1839 }
1840 #endif
1841 continue;
1842
1843 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1844 break;
1845 #ifdef FEAT_WINDOWS
1846 cmdmod.split |= WSP_BELOW;
1847 #endif
1848 continue;
1849
1850 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1851 {
1852 #ifdef HAVE_SANDBOX
1853 if (!did_sandbox)
1854 ++sandbox;
1855 did_sandbox = TRUE;
1856 #endif
1857 continue;
1858 }
1859 if (!checkforcmd(&ea.cmd, "silent", 3))
1860 break;
1861 ++did_silent;
1862 ++msg_silent;
1863 save_msg_scroll = msg_scroll;
1864 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1865 {
1866 /* ":silent!", but not "silent !cmd" */
1867 ea.cmd = skipwhite(ea.cmd + 1);
1868 ++emsg_silent;
1869 ++did_esilent;
1870 }
1871 continue;
1872
1873 case 't': if (checkforcmd(&p, "tab", 3))
1874 {
1875 #ifdef FEAT_WINDOWS
1876 if (vim_isdigit(*ea.cmd))
1877 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1878 else
1879 cmdmod.tab = tabpage_index(curtab) + 1;
1880 ea.cmd = p;
1881 #endif
1882 continue;
1883 }
1884 if (!checkforcmd(&ea.cmd, "topleft", 2))
1885 break;
1886 #ifdef FEAT_WINDOWS
1887 cmdmod.split |= WSP_TOP;
1888 #endif
1889 continue;
1890
1891 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1892 {
1893 #ifdef FEAT_VERTSPLIT
1894 cmdmod.split |= WSP_VERT;
1895 #endif
1896 continue;
1897 }
1898 if (!checkforcmd(&p, "verbose", 4))
1899 break;
1900 if (verbose_save < 0)
1901 verbose_save = p_verbose;
1902 if (vim_isdigit(*ea.cmd))
1903 p_verbose = atoi((char *)ea.cmd);
1904 else
1905 p_verbose = 1;
1906 ea.cmd = p;
1907 continue;
1908 }
1909 break;
1910 }
1911
1912 #ifdef FEAT_EVAL
1913 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1914 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1915 #else
1916 ea.skip = (if_level > 0);
1917 #endif
1918
1919 #ifdef FEAT_EVAL
1920 # ifdef FEAT_PROFILE
1921 /* Count this line for profiling if ea.skip is FALSE. */
1922 if (do_profiling == PROF_YES && !ea.skip)
1923 {
1924 if (getline_equal(fgetline, cookie, get_func_line))
1925 func_line_exec(getline_cookie(fgetline, cookie));
1926 else if (getline_equal(fgetline, cookie, getsourceline))
1927 script_line_exec();
1928 }
1929 #endif
1930
1931 /* May go to debug mode. If this happens and the ">quit" debug command is
1932 * used, throw an interrupt exception and skip the next command. */
1933 dbg_check_breakpoint(&ea);
1934 if (!ea.skip && got_int)
1935 {
1936 ea.skip = TRUE;
1937 (void)do_intthrow(cstack);
1938 }
1939 #endif
1940
1941 /*
1942 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1943 *
1944 * where 'addr' is:
1945 *
1946 * % (entire file)
1947 * $ [+-NUM]
1948 * 'x [+-NUM] (where x denotes a currently defined mark)
1949 * . [+-NUM]
1950 * [+-NUM]..
1951 * NUM
1952 *
1953 * The ea.cmd pointer is updated to point to the first character following the
1954 * range spec. If an initial address is found, but no second, the upper bound
1955 * is equal to the lower.
1956 */
1957
1958 /* repeat for all ',' or ';' separated addresses */
1959 for (;;)
1960 {
1961 ea.line1 = ea.line2;
1962 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1963 ea.cmd = skipwhite(ea.cmd);
1964 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1965 if (ea.cmd == NULL) /* error detected */
1966 goto doend;
1967 if (lnum == MAXLNUM)
1968 {
1969 if (*ea.cmd == '%') /* '%' - all lines */
1970 {
1971 ++ea.cmd;
1972 ea.line1 = 1;
1973 ea.line2 = curbuf->b_ml.ml_line_count;
1974 ++ea.addr_count;
1975 }
1976 /* '*' - visual area */
1977 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1978 {
1979 pos_T *fp;
1980
1981 ++ea.cmd;
1982 if (!ea.skip)
1983 {
1984 fp = getmark('<', FALSE);
1985 if (check_mark(fp) == FAIL)
1986 goto doend;
1987 ea.line1 = fp->lnum;
1988 fp = getmark('>', FALSE);
1989 if (check_mark(fp) == FAIL)
1990 goto doend;
1991 ea.line2 = fp->lnum;
1992 ++ea.addr_count;
1993 }
1994 }
1995 }
1996 else
1997 ea.line2 = lnum;
1998 ea.addr_count++;
1999
2000 if (*ea.cmd == ';')
2001 {
2002 if (!ea.skip)
2003 curwin->w_cursor.lnum = ea.line2;
2004 }
2005 else if (*ea.cmd != ',')
2006 break;
2007 ++ea.cmd;
2008 }
2009
2010 /* One address given: set start and end lines */
2011 if (ea.addr_count == 1)
2012 {
2013 ea.line1 = ea.line2;
2014 /* ... but only implicit: really no address given */
2015 if (lnum == MAXLNUM)
2016 ea.addr_count = 0;
2017 }
2018
2019 /* Don't leave the cursor on an illegal line (caused by ';') */
2020 check_cursor_lnum();
2021
2022 /*
2023 * 4. parse command
2024 */
2025
2026 /*
2027 * Skip ':' and any white space
2028 */
2029 ea.cmd = skipwhite(ea.cmd);
2030 while (*ea.cmd == ':')
2031 ea.cmd = skipwhite(ea.cmd + 1);
2032
2033 /*
2034 * If we got a line, but no command, then go to the line.
2035 * If we find a '|' or '\n' we set ea.nextcmd.
2036 */
2037 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2038 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2039 {
2040 /*
2041 * strange vi behaviour:
2042 * ":3" jumps to line 3
2043 * ":3|..." prints line 3
2044 * ":|" prints current line
2045 */
2046 if (ea.skip) /* skip this if inside :if */
2047 goto doend;
2048 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2049 {
2050 ea.cmdidx = CMD_print;
2051 ea.argt = RANGE+COUNT+TRLBAR;
2052 if ((errormsg = invalid_range(&ea)) == NULL)
2053 {
2054 correct_range(&ea);
2055 ex_print(&ea);
2056 }
2057 }
2058 else if (ea.addr_count != 0)
2059 {
2060 if (ea.line2 > curbuf->b_ml.ml_line_count)
2061 {
2062 /* With '-' in 'cpoptions' a line number past the file is an
2063 * error, otherwise put it at the end of the file. */
2064 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2065 ea.line2 = -1;
2066 else
2067 ea.line2 = curbuf->b_ml.ml_line_count;
2068 }
2069
2070 if (ea.line2 < 0)
2071 errormsg = (char_u *)_(e_invrange);
2072 else
2073 {
2074 if (ea.line2 == 0)
2075 curwin->w_cursor.lnum = 1;
2076 else
2077 curwin->w_cursor.lnum = ea.line2;
2078 beginline(BL_SOL | BL_FIX);
2079 }
2080 }
2081 goto doend;
2082 }
2083
2084 /* Find the command and let "p" point to after it. */
2085 p = find_command(&ea, NULL);
2086
2087 #ifdef FEAT_USR_CMDS
2088 if (p == NULL)
2089 {
2090 if (!ea.skip)
2091 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2092 goto doend;
2093 }
2094 /* Check for wrong commands. */
2095 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2096 {
2097 errormsg = uc_fun_cmd();
2098 goto doend;
2099 }
2100 #endif
2101 if (ea.cmdidx == CMD_SIZE)
2102 {
2103 if (!ea.skip)
2104 {
2105 STRCPY(IObuff, _("E492: Not an editor command"));
2106 if (!sourcing)
2107 {
2108 STRCAT(IObuff, ": ");
2109 STRNCAT(IObuff, *cmdlinep, 40);
2110 }
2111 errormsg = IObuff;
2112 }
2113 goto doend;
2114 }
2115
2116 ni = (
2117 #ifdef FEAT_USR_CMDS
2118 !USER_CMDIDX(ea.cmdidx) &&
2119 #endif
2120 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2121 #ifdef HAVE_EX_SCRIPT_NI
2122 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2123 #endif
2124 ));
2125
2126 #ifndef FEAT_EVAL
2127 /*
2128 * When the expression evaluation is disabled, recognize the ":if" and
2129 * ":endif" commands and ignore everything in between it.
2130 */
2131 if (ea.cmdidx == CMD_if)
2132 ++if_level;
2133 if (if_level)
2134 {
2135 if (ea.cmdidx == CMD_endif)
2136 --if_level;
2137 goto doend;
2138 }
2139
2140 #endif
2141
2142 /* forced commands */
2143 if (*p == '!' && ea.cmdidx != CMD_substitute
2144 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2145 {
2146 ++p;
2147 ea.forceit = TRUE;
2148 }
2149 else
2150 ea.forceit = FALSE;
2151
2152 /*
2153 * 5. parse arguments
2154 */
2155 #ifdef FEAT_USR_CMDS
2156 if (!USER_CMDIDX(ea.cmdidx))
2157 #endif
2158 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2159
2160 if (!ea.skip)
2161 {
2162 #ifdef HAVE_SANDBOX
2163 if (sandbox != 0 && !(ea.argt & SBOXOK))
2164 {
2165 /* Command not allowed in sandbox. */
2166 errormsg = (char_u *)_(e_sandbox);
2167 goto doend;
2168 }
2169 #endif
2170 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2171 {
2172 /* Command not allowed in non-'modifiable' buffer */
2173 errormsg = (char_u *)_(e_modifiable);
2174 goto doend;
2175 }
2176
2177 if (text_locked() && !(ea.argt & CMDWIN)
2178 # ifdef FEAT_USR_CMDS
2179 && !USER_CMDIDX(ea.cmdidx)
2180 # endif
2181 )
2182 {
2183 /* Command not allowed when editing the command line. */
2184 #ifdef FEAT_CMDWIN
2185 if (cmdwin_type != 0)
2186 errormsg = (char_u *)_(e_cmdwin);
2187 else
2188 #endif
2189 errormsg = (char_u *)_(e_secure);
2190 goto doend;
2191 }
2192 #ifdef FEAT_AUTOCMD
2193 /* Disallow editing another buffer when "curbuf_lock" is set.
2194 * Do allow ":edit" (check for argument later).
2195 * Do allow ":checktime" (it's postponed). */
2196 if (!(ea.argt & CMDWIN)
2197 && ea.cmdidx != CMD_edit
2198 && ea.cmdidx != CMD_checktime
2199 # ifdef FEAT_USR_CMDS
2200 && !USER_CMDIDX(ea.cmdidx)
2201 # endif
2202 && curbuf_locked())
2203 goto doend;
2204 #endif
2205
2206 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2207 {
2208 /* no range allowed */
2209 errormsg = (char_u *)_(e_norange);
2210 goto doend;
2211 }
2212 }
2213
2214 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2215 {
2216 errormsg = (char_u *)_(e_nobang);
2217 goto doend;
2218 }
2219
2220 /*
2221 * Don't complain about the range if it is not used
2222 * (could happen if line_count is accidentally set to 0).
2223 */
2224 if (!ea.skip && !ni)
2225 {
2226 /*
2227 * If the range is backwards, ask for confirmation and, if given, swap
2228 * ea.line1 & ea.line2 so it's forwards again.
2229 * When global command is busy, don't ask, will fail below.
2230 */
2231 if (!global_busy && ea.line1 > ea.line2)
2232 {
2233 if (msg_silent == 0)
2234 {
2235 if (sourcing || exmode_active)
2236 {
2237 errormsg = (char_u *)_("E493: Backwards range given");
2238 goto doend;
2239 }
2240 if (ask_yesno((char_u *)
2241 _("Backwards range given, OK to swap"), FALSE) != 'y')
2242 goto doend;
2243 }
2244 lnum = ea.line1;
2245 ea.line1 = ea.line2;
2246 ea.line2 = lnum;
2247 }
2248 if ((errormsg = invalid_range(&ea)) != NULL)
2249 goto doend;
2250 }
2251
2252 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2253 ea.line2 = 1;
2254
2255 correct_range(&ea);
2256
2257 #ifdef FEAT_FOLDING
2258 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2259 {
2260 /* Put the first line at the start of a closed fold, put the last line
2261 * at the end of a closed fold. */
2262 (void)hasFolding(ea.line1, &ea.line1, NULL);
2263 (void)hasFolding(ea.line2, NULL, &ea.line2);
2264 }
2265 #endif
2266
2267 #ifdef FEAT_QUICKFIX
2268 /*
2269 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2270 * option here, so things like % get expanded.
2271 */
2272 p = replace_makeprg(&ea, p, cmdlinep);
2273 if (p == NULL)
2274 goto doend;
2275 #endif
2276
2277 /*
2278 * Skip to start of argument.
2279 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2280 */
2281 if (ea.cmdidx == CMD_bang)
2282 ea.arg = p;
2283 else
2284 ea.arg = skipwhite(p);
2285
2286 /*
2287 * Check for "++opt=val" argument.
2288 * Must be first, allow ":w ++enc=utf8 !cmd"
2289 */
2290 if (ea.argt & ARGOPT)
2291 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2292 if (getargopt(&ea) == FAIL && !ni)
2293 {
2294 errormsg = (char_u *)_(e_invarg);
2295 goto doend;
2296 }
2297
2298 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2299 {
2300 if (*ea.arg == '>') /* append */
2301 {
2302 if (*++ea.arg != '>') /* typed wrong */
2303 {
2304 errormsg = (char_u *)_("E494: Use w or w>>");
2305 goto doend;
2306 }
2307 ea.arg = skipwhite(ea.arg + 1);
2308 ea.append = TRUE;
2309 }
2310 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2311 {
2312 ++ea.arg;
2313 ea.usefilter = TRUE;
2314 }
2315 }
2316
2317 if (ea.cmdidx == CMD_read)
2318 {
2319 if (ea.forceit)
2320 {
2321 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2322 ea.forceit = FALSE;
2323 }
2324 else if (*ea.arg == '!') /* :r !filter */
2325 {
2326 ++ea.arg;
2327 ea.usefilter = TRUE;
2328 }
2329 }
2330
2331 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2332 {
2333 ea.amount = 1;
2334 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2335 {
2336 ++ea.arg;
2337 ++ea.amount;
2338 }
2339 ea.arg = skipwhite(ea.arg);
2340 }
2341
2342 /*
2343 * Check for "+command" argument, before checking for next command.
2344 * Don't do this for ":read !cmd" and ":write !cmd".
2345 */
2346 if ((ea.argt & EDITCMD) && !ea.usefilter)
2347 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2348
2349 /*
2350 * Check for '|' to separate commands and '"' to start comments.
2351 * Don't do this for ":read !cmd" and ":write !cmd".
2352 */
2353 if ((ea.argt & TRLBAR) && !ea.usefilter)
2354 separate_nextcmd(&ea);
2355
2356 /*
2357 * Check for <newline> to end a shell command.
2358 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2359 * Any others?
2360 */
2361 else if (ea.cmdidx == CMD_bang
2362 || ea.cmdidx == CMD_global
2363 || ea.cmdidx == CMD_vglobal
2364 || ea.usefilter)
2365 {
2366 for (p = ea.arg; *p; ++p)
2367 {
2368 /* Remove one backslash before a newline, so that it's possible to
2369 * pass a newline to the shell and also a newline that is preceded
2370 * with a backslash. This makes it impossible to end a shell
2371 * command in a backslash, but that doesn't appear useful.
2372 * Halving the number of backslashes is incompatible with previous
2373 * versions. */
2374 if (*p == '\\' && p[1] == '\n')
2375 STRMOVE(p, p + 1);
2376 else if (*p == '\n')
2377 {
2378 ea.nextcmd = p + 1;
2379 *p = NUL;
2380 break;
2381 }
2382 }
2383 }
2384
2385 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2386 {
2387 ea.line1 = 1;
2388 ea.line2 = curbuf->b_ml.ml_line_count;
2389 }
2390
2391 /* accept numbered register only when no count allowed (:put) */
2392 if ( (ea.argt & REGSTR)
2393 && *ea.arg != NUL
2394 #ifdef FEAT_USR_CMDS
2395 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2396 && USER_CMDIDX(ea.cmdidx)))
2397 /* Do not allow register = for user commands */
2398 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2399 #else
2400 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2401 #endif
2402 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2403 {
2404 ea.regname = *ea.arg++;
2405 #ifdef FEAT_EVAL
2406 /* for '=' register: accept the rest of the line as an expression */
2407 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2408 {
2409 set_expr_line(vim_strsave(ea.arg));
2410 ea.arg += STRLEN(ea.arg);
2411 }
2412 #endif
2413 ea.arg = skipwhite(ea.arg);
2414 }
2415
2416 /*
2417 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2418 * count, it's a buffer name.
2419 */
2420 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2421 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2422 || vim_iswhite(*p)))
2423 {
2424 n = getdigits(&ea.arg);
2425 ea.arg = skipwhite(ea.arg);
2426 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2427 {
2428 errormsg = (char_u *)_(e_zerocount);
2429 goto doend;
2430 }
2431 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2432 {
2433 ea.line2 = n;
2434 if (ea.addr_count == 0)
2435 ea.addr_count = 1;
2436 }
2437 else
2438 {
2439 ea.line1 = ea.line2;
2440 ea.line2 += n - 1;
2441 ++ea.addr_count;
2442 /*
2443 * Be vi compatible: no error message for out of range.
2444 */
2445 if (ea.line2 > curbuf->b_ml.ml_line_count)
2446 ea.line2 = curbuf->b_ml.ml_line_count;
2447 }
2448 }
2449
2450 /*
2451 * Check for flags: 'l', 'p' and '#'.
2452 */
2453 if (ea.argt & EXFLAGS)
2454 get_flags(&ea);
2455 /* no arguments allowed */
2456 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2457 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2458 {
2459 errormsg = (char_u *)_(e_trailing);
2460 goto doend;
2461 }
2462
2463 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2464 {
2465 errormsg = (char_u *)_(e_argreq);
2466 goto doend;
2467 }
2468
2469 #ifdef FEAT_EVAL
2470 /*
2471 * Skip the command when it's not going to be executed.
2472 * The commands like :if, :endif, etc. always need to be executed.
2473 * Also make an exception for commands that handle a trailing command
2474 * themselves.
2475 */
2476 if (ea.skip)
2477 {
2478 switch (ea.cmdidx)
2479 {
2480 /* commands that need evaluation */
2481 case CMD_while:
2482 case CMD_endwhile:
2483 case CMD_for:
2484 case CMD_endfor:
2485 case CMD_if:
2486 case CMD_elseif:
2487 case CMD_else:
2488 case CMD_endif:
2489 case CMD_try:
2490 case CMD_catch:
2491 case CMD_finally:
2492 case CMD_endtry:
2493 case CMD_function:
2494 break;
2495
2496 /* Commands that handle '|' themselves. Check: A command should
2497 * either have the TRLBAR flag, appear in this list or appear in
2498 * the list at ":help :bar". */
2499 case CMD_aboveleft:
2500 case CMD_and:
2501 case CMD_belowright:
2502 case CMD_botright:
2503 case CMD_browse:
2504 case CMD_call:
2505 case CMD_confirm:
2506 case CMD_delfunction:
2507 case CMD_djump:
2508 case CMD_dlist:
2509 case CMD_dsearch:
2510 case CMD_dsplit:
2511 case CMD_echo:
2512 case CMD_echoerr:
2513 case CMD_echomsg:
2514 case CMD_echon:
2515 case CMD_execute:
2516 case CMD_help:
2517 case CMD_hide:
2518 case CMD_ijump:
2519 case CMD_ilist:
2520 case CMD_isearch:
2521 case CMD_isplit:
2522 case CMD_keepalt:
2523 case CMD_keepjumps:
2524 case CMD_keepmarks:
2525 case CMD_leftabove:
2526 case CMD_let:
2527 case CMD_lockmarks:
2528 case CMD_match:
2529 case CMD_mzscheme:
2530 case CMD_perl:
2531 case CMD_psearch:
2532 case CMD_python:
2533 case CMD_return:
2534 case CMD_rightbelow:
2535 case CMD_ruby:
2536 case CMD_silent:
2537 case CMD_smagic:
2538 case CMD_snomagic:
2539 case CMD_substitute:
2540 case CMD_syntax:
2541 case CMD_tab:
2542 case CMD_tcl:
2543 case CMD_throw:
2544 case CMD_tilde:
2545 case CMD_topleft:
2546 case CMD_unlet:
2547 case CMD_verbose:
2548 case CMD_vertical:
2549 break;
2550
2551 default: goto doend;
2552 }
2553 }
2554 #endif
2555
2556 if (ea.argt & XFILE)
2557 {
2558 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2559 goto doend;
2560 }
2561
2562 #ifdef FEAT_LISTCMDS
2563 /*
2564 * Accept buffer name. Cannot be used at the same time with a buffer
2565 * number. Don't do this for a user command.
2566 */
2567 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2568 # ifdef FEAT_USR_CMDS
2569 && !USER_CMDIDX(ea.cmdidx)
2570 # endif
2571 )
2572 {
2573 /*
2574 * :bdelete, :bwipeout and :bunload take several arguments, separated
2575 * by spaces: find next space (skipping over escaped characters).
2576 * The others take one argument: ignore trailing spaces.
2577 */
2578 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2579 || ea.cmdidx == CMD_bunload)
2580 p = skiptowhite_esc(ea.arg);
2581 else
2582 {
2583 p = ea.arg + STRLEN(ea.arg);
2584 while (p > ea.arg && vim_iswhite(p[-1]))
2585 --p;
2586 }
2587 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2588 if (ea.line2 < 0) /* failed */
2589 goto doend;
2590 ea.addr_count = 1;
2591 ea.arg = skipwhite(p);
2592 }
2593 #endif
2594
2595 /*
2596 * 6. switch on command name
2597 *
2598 * The "ea" structure holds the arguments that can be used.
2599 */
2600 ea.cmdlinep = cmdlinep;
2601 ea.getline = fgetline;
2602 ea.cookie = cookie;
2603 #ifdef FEAT_EVAL
2604 ea.cstack = cstack;
2605 #endif
2606
2607 #ifdef FEAT_USR_CMDS
2608 if (USER_CMDIDX(ea.cmdidx))
2609 {
2610 /*
2611 * Execute a user-defined command.
2612 */
2613 do_ucmd(&ea);
2614 }
2615 else
2616 #endif
2617 {
2618 /*
2619 * Call the function to execute the command.
2620 */
2621 ea.errmsg = NULL;
2622 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2623 if (ea.errmsg != NULL)
2624 errormsg = (char_u *)_(ea.errmsg);
2625 }
2626
2627 #ifdef FEAT_EVAL
2628 /*
2629 * If the command just executed called do_cmdline(), any throw or ":return"
2630 * or ":finish" encountered there must also check the cstack of the still
2631 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2632 * exception, or reanimate a returned function or finished script file and
2633 * return or finish it again.
2634 */
2635 if (need_rethrow)
2636 do_throw(cstack);
2637 else if (check_cstack)
2638 {
2639 if (source_finished(fgetline, cookie))
2640 do_finish(&ea, TRUE);
2641 else if (getline_equal(fgetline, cookie, get_func_line)
2642 && current_func_returned())
2643 do_return(&ea, TRUE, FALSE, NULL);
2644 }
2645 need_rethrow = check_cstack = FALSE;
2646 #endif
2647
2648 doend:
2649 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2650 curwin->w_cursor.lnum = 1;
2651
2652 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2653 {
2654 if (sourcing)
2655 {
2656 if (errormsg != IObuff)
2657 {
2658 STRCPY(IObuff, errormsg);
2659 errormsg = IObuff;
2660 }
2661 STRCAT(errormsg, ": ");
2662 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2663 }
2664 emsg(errormsg);
2665 }
2666 #ifdef FEAT_EVAL
2667 do_errthrow(cstack,
2668 (ea.cmdidx != CMD_SIZE
2669 # ifdef FEAT_USR_CMDS
2670 && !USER_CMDIDX(ea.cmdidx)
2671 # endif
2672 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2673 #endif
2674
2675 if (verbose_save >= 0)
2676 p_verbose = verbose_save;
2677 #ifdef FEAT_AUTOCMD
2678 if (cmdmod.save_ei != NULL)
2679 {
2680 /* Restore 'eventignore' to the value before ":noautocmd". */
2681 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2682 OPT_FREE, SID_NONE);
2683 free_string_option(cmdmod.save_ei);
2684 }
2685 #endif
2686
2687 cmdmod = save_cmdmod;
2688
2689 if (did_silent > 0)
2690 {
2691 /* messages could be enabled for a serious error, need to check if the
2692 * counters don't become negative */
2693 msg_silent -= did_silent;
2694 if (msg_silent < 0)
2695 msg_silent = 0;
2696 emsg_silent -= did_esilent;
2697 if (emsg_silent < 0)
2698 emsg_silent = 0;
2699 /* Restore msg_scroll, it's set by file I/O commands, even when no
2700 * message is actually displayed. */
2701 msg_scroll = save_msg_scroll;
2702
2703 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2704 * somewhere in the line. Put it back in the first column. */
2705 if (redirecting())
2706 msg_col = 0;
2707 }
2708
2709 #ifdef HAVE_SANDBOX
2710 if (did_sandbox)
2711 --sandbox;
2712 #endif
2713
2714 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2715 ea.nextcmd = NULL;
2716
2717 #ifdef FEAT_EVAL
2718 --ex_nesting_level;
2719 #endif
2720
2721 return ea.nextcmd;
2722 }
2723 #if (_MSC_VER == 1200)
2724 #pragma optimize( "", on )
2725 #endif
2726
2727 /*
2728 * Check for an Ex command with optional tail.
2729 * If there is a match advance "pp" to the argument and return TRUE.
2730 */
2731 int
2732 checkforcmd(pp, cmd, len)
2733 char_u **pp; /* start of command */
2734 char *cmd; /* name of command */
2735 int len; /* required length */
2736 {
2737 int i;
2738
2739 for (i = 0; cmd[i] != NUL; ++i)
2740 if (cmd[i] != (*pp)[i])
2741 break;
2742 if (i >= len && !isalpha((*pp)[i]))
2743 {
2744 *pp = skipwhite(*pp + i);
2745 return TRUE;
2746 }
2747 return FALSE;
2748 }
2749
2750 /*
2751 * Find an Ex command by its name, either built-in or user.
2752 * Start of the name can be found at eap->cmd.
2753 * Returns pointer to char after the command name.
2754 * "full" is set to TRUE if the whole command name matched.
2755 * Returns NULL for an ambiguous user command.
2756 */
2757 /*ARGSUSED*/
2758 static char_u *
2759 find_command(eap, full)
2760 exarg_T *eap;
2761 int *full;
2762 {
2763 int len;
2764 char_u *p;
2765 int i;
2766
2767 /*
2768 * Isolate the command and search for it in the command table.
2769 * Exceptions:
2770 * - the 'k' command can directly be followed by any character.
2771 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2772 * but :sre[wind] is another command, as are :scrip[tnames],
2773 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2774 * - the "d" command can directly be followed by 'l' or 'p' flag.
2775 */
2776 p = eap->cmd;
2777 if (*p == 'k')
2778 {
2779 eap->cmdidx = CMD_k;
2780 ++p;
2781 }
2782 else if (p[0] == 's'
2783 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2784 && p[3] != 'i' && p[4] != 'p')
2785 || p[1] == 'g'
2786 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2787 || p[1] == 'I'
2788 || (p[1] == 'r' && p[2] != 'e')))
2789 {
2790 eap->cmdidx = CMD_substitute;
2791 ++p;
2792 }
2793 else
2794 {
2795 while (ASCII_ISALPHA(*p))
2796 ++p;
2797 /* check for non-alpha command */
2798 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2799 ++p;
2800 len = (int)(p - eap->cmd);
2801 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2802 {
2803 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2804 * :delete with the 'l' flag. Same for 'p'. */
2805 for (i = 0; i < len; ++i)
2806 if (eap->cmd[i] != "delete"[i])
2807 break;
2808 if (i == len - 1)
2809 {
2810 --len;
2811 if (p[-1] == 'l')
2812 eap->flags |= EXFLAG_LIST;
2813 else
2814 eap->flags |= EXFLAG_PRINT;
2815 }
2816 }
2817
2818 if (ASCII_ISLOWER(*eap->cmd))
2819 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2820 else
2821 eap->cmdidx = cmdidxs[26];
2822
2823 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2824 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2825 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2826 (size_t)len) == 0)
2827 {
2828 #ifdef FEAT_EVAL
2829 if (full != NULL
2830 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2831 *full = TRUE;
2832 #endif
2833 break;
2834 }
2835
2836 #ifdef FEAT_USR_CMDS
2837 /* Look for a user defined command as a last resort */
2838 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2839 {
2840 /* User defined commands may contain digits. */
2841 while (ASCII_ISALNUM(*p))
2842 ++p;
2843 p = find_ucmd(eap, p, full, NULL, NULL);
2844 }
2845 #endif
2846 if (p == eap->cmd)
2847 eap->cmdidx = CMD_SIZE;
2848 }
2849
2850 return p;
2851 }
2852
2853 #ifdef FEAT_USR_CMDS
2854 /*
2855 * Search for a user command that matches "eap->cmd".
2856 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2857 * Return a pointer to just after the command.
2858 * Return NULL if there is no matching command.
2859 */
2860 static char_u *
2861 find_ucmd(eap, p, full, xp, compl)
2862 exarg_T *eap;
2863 char_u *p; /* end of the command (possibly including count) */
2864 int *full; /* set to TRUE for a full match */
2865 expand_T *xp; /* used for completion, NULL otherwise */
2866 int *compl; /* completion flags or NULL */
2867 {
2868 int len = (int)(p - eap->cmd);
2869 int j, k, matchlen = 0;
2870 ucmd_T *uc;
2871 int found = FALSE;
2872 int possible = FALSE;
2873 char_u *cp, *np; /* Point into typed cmd and test name */
2874 garray_T *gap;
2875 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2876 only full match global is accepted. */
2877
2878 /*
2879 * Look for buffer-local user commands first, then global ones.
2880 */
2881 gap = &curbuf->b_ucmds;
2882 for (;;)
2883 {
2884 for (j = 0; j < gap->ga_len; ++j)
2885 {
2886 uc = USER_CMD_GA(gap, j);
2887 cp = eap->cmd;
2888 np = uc->uc_name;
2889 k = 0;
2890 while (k < len && *np != NUL && *cp++ == *np++)
2891 k++;
2892 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2893 {
2894 /* If finding a second match, the command is ambiguous. But
2895 * not if a buffer-local command wasn't a full match and a
2896 * global command is a full match. */
2897 if (k == len && found && *np != NUL)
2898 {
2899 if (gap == &ucmds)
2900 return NULL;
2901 amb_local = TRUE;
2902 }
2903
2904 if (!found || (k == len && *np == NUL))
2905 {
2906 /* If we matched up to a digit, then there could
2907 * be another command including the digit that we
2908 * should use instead.
2909 */
2910 if (k == len)
2911 found = TRUE;
2912 else
2913 possible = TRUE;
2914
2915 if (gap == &ucmds)
2916 eap->cmdidx = CMD_USER;
2917 else
2918 eap->cmdidx = CMD_USER_BUF;
2919 eap->argt = (long)uc->uc_argt;
2920 eap->useridx = j;
2921
2922 # ifdef FEAT_CMDL_COMPL
2923 if (compl != NULL)
2924 *compl = uc->uc_compl;
2925 # ifdef FEAT_EVAL
2926 if (xp != NULL)
2927 {
2928 xp->xp_arg = uc->uc_compl_arg;
2929 xp->xp_scriptID = uc->uc_scriptID;
2930 }
2931 # endif
2932 # endif
2933 /* Do not search for further abbreviations
2934 * if this is an exact match. */
2935 matchlen = k;
2936 if (k == len && *np == NUL)
2937 {
2938 if (full != NULL)
2939 *full = TRUE;
2940 amb_local = FALSE;
2941 break;
2942 }
2943 }
2944 }
2945 }
2946
2947 /* Stop if we found a full match or searched all. */
2948 if (j < gap->ga_len || gap == &ucmds)
2949 break;
2950 gap = &ucmds;
2951 }
2952
2953 /* Only found ambiguous matches. */
2954 if (amb_local)
2955 {
2956 if (xp != NULL)
2957 xp->xp_context = EXPAND_UNSUCCESSFUL;
2958 return NULL;
2959 }
2960
2961 /* The match we found may be followed immediately by a number. Move "p"
2962 * back to point to it. */
2963 if (found || possible)
2964 return p + (matchlen - len);
2965 return p;
2966 }
2967 #endif
2968
2969 #if defined(FEAT_EVAL) || defined(PROTO)
2970 static struct cmdmod
2971 {
2972 char *name;
2973 int minlen;
2974 int has_count; /* :123verbose :3tab */
2975 } cmdmods[] = {
2976 {"aboveleft", 3, FALSE},
2977 {"belowright", 3, FALSE},
2978 {"botright", 2, FALSE},
2979 {"browse", 3, FALSE},
2980 {"confirm", 4, FALSE},
2981 {"hide", 3, FALSE},
2982 {"keepalt", 5, FALSE},
2983 {"keepjumps", 5, FALSE},
2984 {"keepmarks", 3, FALSE},
2985 {"leftabove", 5, FALSE},
2986 {"lockmarks", 3, FALSE},
2987 {"noautocmd", 3, FALSE},
2988 {"rightbelow", 6, FALSE},
2989 {"sandbox", 3, FALSE},
2990 {"silent", 3, FALSE},
2991 {"tab", 3, TRUE},
2992 {"topleft", 2, FALSE},
2993 {"verbose", 4, TRUE},
2994 {"vertical", 4, FALSE},
2995 };
2996
2997 /*
2998 * Return length of a command modifier (including optional count).
2999 * Return zero when it's not a modifier.
3000 */
3001 int
3002 modifier_len(cmd)
3003 char_u *cmd;
3004 {
3005 int i, j;
3006 char_u *p = cmd;
3007
3008 if (VIM_ISDIGIT(*cmd))
3009 p = skipwhite(skipdigits(cmd));
3010 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3011 {
3012 for (j = 0; p[j] != NUL; ++j)
3013 if (p[j] != cmdmods[i].name[j])
3014 break;
3015 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3016 && (p == cmd || cmdmods[i].has_count))
3017 return j + (int)(p - cmd);
3018 }
3019 return 0;
3020 }
3021
3022 /*
3023 * Return > 0 if an Ex command "name" exists.
3024 * Return 2 if there is an exact match.
3025 * Return 3 if there is an ambiguous match.
3026 */
3027 int
3028 cmd_exists(name)
3029 char_u *name;
3030 {
3031 exarg_T ea;
3032 int full = FALSE;
3033 int i;
3034 int j;
3035 char_u *p;
3036
3037 /* Check command modifiers. */
3038 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3039 {
3040 for (j = 0; name[j] != NUL; ++j)
3041 if (name[j] != cmdmods[i].name[j])
3042 break;
3043 if (name[j] == NUL && j >= cmdmods[i].minlen)
3044 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3045 }
3046
3047 /* Check built-in commands and user defined commands.
3048 * For ":2match" and ":3match" we need to skip the number. */
3049 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3050 ea.cmdidx = (cmdidx_T)0;
3051 p = find_command(&ea, &full);
3052 if (p == NULL)
3053 return 3;
3054 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3055 return 0;
3056 if (*skipwhite(p) != NUL)
3057 return 0; /* trailing garbage */
3058 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3059 }
3060 #endif
3061
3062 /*
3063 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3064 * we don't need/want deleted. Maybe this could be done better if we didn't
3065 * repeat all this stuff. The only problem is that they may not stay
3066 * perfectly compatible with each other, but then the command line syntax
3067 * probably won't change that much -- webb.
3068 */
3069 char_u *
3070 set_one_cmd_context(xp, buff)
3071 expand_T *xp;
3072 char_u *buff; /* buffer for command string */
3073 {
3074 char_u *p;
3075 char_u *cmd, *arg;
3076 int len = 0;
3077 exarg_T ea;
3078 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3079 int compl = EXPAND_NOTHING;
3080 #endif
3081 #ifdef FEAT_CMDL_COMPL
3082 int delim;
3083 #endif
3084 int forceit = FALSE;
3085 int usefilter = FALSE; /* filter instead of file name */
3086
3087 ExpandInit(xp);
3088 xp->xp_pattern = buff;
3089 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3090 ea.argt = 0;
3091
3092 /*
3093 * 2. skip comment lines and leading space, colons or bars
3094 */
3095 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3096 ;
3097 xp->xp_pattern = cmd;
3098
3099 if (*cmd == NUL)
3100 return NULL;
3101 if (*cmd == '"') /* ignore comment lines */
3102 {
3103 xp->xp_context = EXPAND_NOTHING;
3104 return NULL;
3105 }
3106
3107 /*
3108 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3109 */
3110 cmd = skip_range(cmd, &xp->xp_context);
3111
3112 /*
3113 * 4. parse command
3114 */
3115 xp->xp_pattern = cmd;
3116 if (*cmd == NUL)
3117 return NULL;
3118 if (*cmd == '"')
3119 {
3120 xp->xp_context = EXPAND_NOTHING;
3121 return NULL;
3122 }
3123
3124 if (*cmd == '|' || *cmd == '\n')
3125 return cmd + 1; /* There's another command */
3126
3127 /*
3128 * Isolate the command and search for it in the command table.
3129 * Exceptions:
3130 * - the 'k' command can directly be followed by any character, but
3131 * do accept "keepmarks", "keepalt" and "keepjumps".
3132 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3133 */
3134 if (*cmd == 'k' && cmd[1] != 'e')
3135 {
3136 ea.cmdidx = CMD_k;
3137 p = cmd + 1;
3138 }
3139 else
3140 {
3141 p = cmd;
3142 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3143 ++p;
3144 /* check for non-alpha command */
3145 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3146 ++p;
3147 len = (int)(p - cmd);
3148
3149 if (len == 0)
3150 {
3151 xp->xp_context = EXPAND_UNSUCCESSFUL;
3152 return NULL;
3153 }
3154 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3155 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3156 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3157 break;
3158
3159 #ifdef FEAT_USR_CMDS
3160 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3161 {
3162 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3163 ++p;
3164 len = (int)(p - cmd);
3165 }
3166 #endif
3167 }
3168
3169 /*
3170 * If the cursor is touching the command, and it ends in an alpha-numeric
3171 * character, complete the command name.
3172 */
3173 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3174 return NULL;
3175
3176 if (ea.cmdidx == CMD_SIZE)
3177 {
3178 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3179 {
3180 ea.cmdidx = CMD_substitute;
3181 p = cmd + 1;
3182 }
3183 #ifdef FEAT_USR_CMDS
3184 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3185 {
3186 ea.cmd = cmd;
3187 p = find_ucmd(&ea, p, NULL, xp,
3188 # if defined(FEAT_CMDL_COMPL)
3189 &compl
3190 # else
3191 NULL
3192 # endif
3193 );
3194 if (p == NULL)
3195 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3196 }
3197 #endif
3198 }
3199 if (ea.cmdidx == CMD_SIZE)
3200 {
3201 /* Not still touching the command and it was an illegal one */
3202 xp->xp_context = EXPAND_UNSUCCESSFUL;
3203 return NULL;
3204 }
3205
3206 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3207
3208 if (*p == '!') /* forced commands */
3209 {
3210 forceit = TRUE;
3211 ++p;
3212 }
3213
3214 /*
3215 * 5. parse arguments
3216 */
3217 #ifdef FEAT_USR_CMDS
3218 if (!USER_CMDIDX(ea.cmdidx))
3219 #endif
3220 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3221
3222 arg = skipwhite(p);
3223
3224 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3225 {
3226 if (*arg == '>') /* append */
3227 {
3228 if (*++arg == '>')
3229 ++arg;
3230 arg = skipwhite(arg);
3231 }
3232 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3233 {
3234 ++arg;
3235 usefilter = TRUE;
3236 }
3237 }
3238
3239 if (ea.cmdidx == CMD_read)
3240 {
3241 usefilter = forceit; /* :r! filter if forced */
3242 if (*arg == '!') /* :r !filter */
3243 {
3244 ++arg;
3245 usefilter = TRUE;
3246 }
3247 }
3248
3249 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3250 {
3251 while (*arg == *cmd) /* allow any number of '>' or '<' */
3252 ++arg;
3253 arg = skipwhite(arg);
3254 }
3255
3256 /* Does command allow "+command"? */
3257 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3258 {
3259 /* Check if we're in the +command */
3260 p = arg + 1;
3261 arg = skip_cmd_arg(arg, FALSE);
3262
3263 /* Still touching the command after '+'? */
3264 if (*arg == NUL)
3265 return p;
3266
3267 /* Skip space(s) after +command to get to the real argument */
3268 arg = skipwhite(arg);
3269 }
3270
3271 /*
3272 * Check for '|' to separate commands and '"' to start comments.
3273 * Don't do this for ":read !cmd" and ":write !cmd".
3274 */
3275 if ((ea.argt & TRLBAR) && !usefilter)
3276 {
3277 p = arg;
3278 /* ":redir @" is not the start of a comment */
3279 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3280 p += 2;
3281 while (*p)
3282 {
3283 if (*p == Ctrl_V)
3284 {
3285 if (p[1] != NUL)
3286 ++p;
3287 }
3288 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3289 || *p == '|' || *p == '\n')
3290 {
3291 if (*(p - 1) != '\\')
3292 {
3293 if (*p == '|' || *p == '\n')
3294 return p + 1;
3295 return NULL; /* It's a comment */
3296 }
3297 }
3298 mb_ptr_adv(p);
3299 }
3300 }
3301
3302 /* no arguments allowed */
3303 if (!(ea.argt & EXTRA) && *arg != NUL &&
3304 vim_strchr((char_u *)"|\"", *arg) == NULL)
3305 return NULL;
3306
3307 /* Find start of last argument (argument just before cursor): */
3308 p = buff + STRLEN(buff);
3309 while (p != arg && *p != ' ' && *p != TAB)
3310 p--;
3311 if (*p == ' ' || *p == TAB)
3312 p++;
3313 xp->xp_pattern = p;
3314
3315 if (ea.argt & XFILE)
3316 {
3317 int c;
3318 int in_quote = FALSE;
3319 char_u *bow = NULL; /* Beginning of word */
3320
3321 /*
3322 * Allow spaces within back-quotes to count as part of the argument
3323 * being expanded.
3324 */
3325 xp->xp_pattern = skipwhite(arg);
3326 p = xp->xp_pattern;
3327 while (*p != NUL)
3328 {
3329 #ifdef FEAT_MBYTE
3330 if (has_mbyte)
3331 c = mb_ptr2char(p);
3332 else
3333 #endif
3334 c = *p;
3335 if (c == '\\' && p[1] != NUL)
3336 ++p;
3337 else if (c == '`')
3338 {
3339 if (!in_quote)
3340 {
3341 xp->xp_pattern = p;
3342 bow = p + 1;
3343 }
3344 in_quote = !in_quote;
3345 }
3346 /* An argument can contain just about everything, except
3347 * characters that end the command and white space. */
3348 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3349 #ifdef SPACE_IN_FILENAME
3350 && (!(ea.argt & NOSPC) || usefilter)
3351 #endif
3352 ))
3353 {
3354 len = 0; /* avoid getting stuck when space is in 'isfname' */
3355 while (*p != NUL)
3356 {
3357 #ifdef FEAT_MBYTE
3358 if (has_mbyte)
3359 c = mb_ptr2char(p);
3360 else
3361 #endif
3362 c = *p;
3363 if (c == '`' || vim_isfilec_or_wc(c))
3364 break;
3365 #ifdef FEAT_MBYTE
3366 if (has_mbyte)
3367 len = (*mb_ptr2len)(p);
3368 else
3369 #endif
3370 len = 1;
3371 mb_ptr_adv(p);
3372 }
3373 if (in_quote)
3374 bow = p;
3375 else
3376 xp->xp_pattern = p;
3377 p -= len;
3378 }
3379 mb_ptr_adv(p);
3380 }
3381
3382 /*
3383 * If we are still inside the quotes, and we passed a space, just
3384 * expand from there.
3385 */
3386 if (bow != NULL && in_quote)
3387 xp->xp_pattern = bow;
3388 xp->xp_context = EXPAND_FILES;
3389
3390 #ifndef BACKSLASH_IN_FILENAME
3391 /* For a shell command more chars need to be escaped. */
3392 if (usefilter || ea.cmdidx == CMD_bang)
3393 {
3394 xp->xp_shell = TRUE;
3395
3396 /* When still after the command name expand executables. */
3397 if (xp->xp_pattern == skipwhite(arg))
3398 xp->xp_context = EXPAND_SHELLCMD;
3399 }
3400 #endif
3401
3402 /* Check for environment variable */
3403 if (*xp->xp_pattern == '$'
3404 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3405 || *xp->xp_pattern == '%'
3406 #endif
3407 )
3408 {
3409 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3410 if (!vim_isIDc(*p))
3411 break;
3412 if (*p == NUL)
3413 {
3414 xp->xp_context = EXPAND_ENV_VARS;
3415 ++xp->xp_pattern;
3416 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3417 /* Avoid that the assignment uses EXPAND_FILES again. */
3418 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3419 compl = EXPAND_ENV_VARS;
3420 #endif
3421 }
3422 }
3423 }
3424
3425 /*
3426 * 6. switch on command name
3427 */
3428 switch (ea.cmdidx)
3429 {
3430 case CMD_cd:
3431 case CMD_chdir:
3432 case CMD_lcd:
3433 case CMD_lchdir:
3434 if (xp->xp_context == EXPAND_FILES)
3435 xp->xp_context = EXPAND_DIRECTORIES;
3436 break;
3437 case CMD_help:
3438 xp->xp_context = EXPAND_HELP;
3439 xp->xp_pattern = arg;
3440 break;
3441
3442 /* Command modifiers: return the argument.
3443 * Also for commands with an argument that is a command. */
3444 case CMD_aboveleft:
3445 case CMD_argdo:
3446 case CMD_belowright:
3447 case CMD_botright:
3448 case CMD_browse:
3449 case CMD_bufdo:
3450 case CMD_confirm:
3451 case CMD_debug:
3452 case CMD_folddoclosed:
3453 case CMD_folddoopen:
3454 case CMD_hide:
3455 case CMD_keepalt:
3456 case CMD_keepjumps:
3457 case CMD_keepmarks:
3458 case CMD_leftabove:
3459 case CMD_lockmarks:
3460 case CMD_rightbelow:
3461 case CMD_sandbox:
3462 case CMD_silent:
3463 case CMD_tab:
3464 case CMD_topleft:
3465 case CMD_verbose:
3466 case CMD_vertical:
3467 case CMD_windo:
3468 return arg;
3469
3470 #ifdef FEAT_CMDL_COMPL
3471 # ifdef FEAT_SEARCH_EXTRA
3472 case CMD_match:
3473 if (*arg == NUL || !ends_excmd(*arg))
3474 {
3475 /* also complete "None" */
3476 set_context_in_echohl_cmd(xp, arg);
3477 arg = skipwhite(skiptowhite(arg));
3478 if (*arg != NUL)
3479 {
3480 xp->xp_context = EXPAND_NOTHING;
3481 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3482 }
3483 }
3484 return find_nextcmd(arg);
3485 # endif
3486
3487 /*
3488 * All completion for the +cmdline_compl feature goes here.
3489 */
3490
3491 # ifdef FEAT_USR_CMDS
3492 case CMD_command:
3493 /* Check for attributes */
3494 while (*arg == '-')
3495 {
3496 arg++; /* Skip "-" */
3497 p = skiptowhite(arg);
3498 if (*p == NUL)
3499 {
3500 /* Cursor is still in the attribute */
3501 p = vim_strchr(arg, '=');
3502 if (p == NULL)
3503 {
3504 /* No "=", so complete attribute names */
3505 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3506 xp->xp_pattern = arg;
3507 return NULL;
3508 }
3509
3510 /* For the -complete and -nargs attributes, we complete
3511 * their arguments as well.
3512 */
3513 if (STRNICMP(arg, "complete", p - arg) == 0)
3514 {
3515 xp->xp_context = EXPAND_USER_COMPLETE;
3516 xp->xp_pattern = p + 1;
3517 return NULL;
3518 }
3519 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3520 {
3521 xp->xp_context = EXPAND_USER_NARGS;
3522 xp->xp_pattern = p + 1;
3523 return NULL;
3524 }
3525 return NULL;
3526 }
3527 arg = skipwhite(p);
3528 }
3529
3530 /* After the attributes comes the new command name */
3531 p = skiptowhite(arg);
3532 if (*p == NUL)
3533 {
3534 xp->xp_context = EXPAND_USER_COMMANDS;
3535 xp->xp_pattern = arg;
3536 break;
3537 }
3538
3539 /* And finally comes a normal command */
3540 return skipwhite(p);
3541
3542 case CMD_delcommand:
3543 xp->xp_context = EXPAND_USER_COMMANDS;
3544 xp->xp_pattern = arg;
3545 break;
3546 # endif
3547
3548 case CMD_global:
3549 case CMD_vglobal:
3550 delim = *arg; /* get the delimiter */
3551 if (delim)
3552 ++arg; /* skip delimiter if there is one */
3553
3554 while (arg[0] != NUL && arg[0] != delim)
3555 {
3556 if (arg[0] == '\\' && arg[1] != NUL)
3557 ++arg;
3558 ++arg;
3559 }
3560 if (arg[0] != NUL)
3561 return arg + 1;
3562 break;
3563 case CMD_and:
3564 case CMD_substitute:
3565 delim = *arg;
3566 if (delim)
3567 {
3568 /* skip "from" part */
3569 ++arg;
3570 arg = skip_regexp(arg, delim, p_magic, NULL);
3571 }
3572 /* skip "to" part */
3573 while (arg[0] != NUL && arg[0] != delim)
3574 {
3575 if (arg[0] == '\\' && arg[1] != NUL)
3576 ++arg;
3577 ++arg;
3578 }
3579 if (arg[0] != NUL) /* skip delimiter */
3580 ++arg;
3581 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3582 ++arg;
3583 if (arg[0] != NUL)
3584 return arg;
3585 break;
3586 case CMD_isearch:
3587 case CMD_dsearch:
3588 case CMD_ilist:
3589 case CMD_dlist:
3590 case CMD_ijump:
3591 case CMD_psearch:
3592 case CMD_djump:
3593 case CMD_isplit:
3594 case CMD_dsplit:
3595 arg = skipwhite(skipdigits(arg)); /* skip count */
3596 if (*arg == '/') /* Match regexp, not just whole words */
3597 {
3598 for (++arg; *arg && *arg != '/'; arg++)
3599 if (*arg == '\\' && arg[1] != NUL)
3600 arg++;
3601 if (*arg)
3602 {
3603 arg = skipwhite(arg + 1);
3604
3605 /* Check for trailing illegal characters */
3606 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3607 xp->xp_context = EXPAND_NOTHING;
3608 else
3609 return arg;
3610 }
3611 }
3612 break;
3613 #ifdef FEAT_AUTOCMD
3614 case CMD_autocmd:
3615 return set_context_in_autocmd(xp, arg, FALSE);
3616
3617 case CMD_doautocmd:
3618 case CMD_doautoall:
3619 return set_context_in_autocmd(xp, arg, TRUE);
3620 #endif
3621 case CMD_set:
3622 set_context_in_set_cmd(xp, arg, 0);
3623 break;
3624 case CMD_setglobal:
3625 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3626 break;
3627 case CMD_setlocal:
3628 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3629 break;
3630 case CMD_tag:
3631 case CMD_stag:
3632 case CMD_ptag:
3633 case CMD_ltag:
3634 case CMD_tselect:
3635 case CMD_stselect:
3636 case CMD_ptselect:
3637 case CMD_tjump:
3638 case CMD_stjump:
3639 case CMD_ptjump:
3640 if (*p_wop != NUL)
3641 xp->xp_context = EXPAND_TAGS_LISTFILES;
3642 else
3643 xp->xp_context = EXPAND_TAGS;
3644 xp->xp_pattern = arg;
3645 break;
3646 case CMD_augroup:
3647 xp->xp_context = EXPAND_AUGROUP;
3648 xp->xp_pattern = arg;
3649 break;
3650 #ifdef FEAT_SYN_HL
3651 case CMD_syntax:
3652 set_context_in_syntax_cmd(xp, arg);
3653 break;
3654 #endif
3655 #ifdef FEAT_EVAL
3656 case CMD_let:
3657 case CMD_if:
3658 case CMD_elseif:
3659 case CMD_while:
3660 case CMD_for:
3661 case CMD_echo:
3662 case CMD_echon:
3663 case CMD_execute:
3664 case CMD_echomsg:
3665 case CMD_echoerr:
3666 case CMD_call:
3667 case CMD_return:
3668 set_context_for_expression(xp, arg, ea.cmdidx);
3669 break;
3670
3671 case CMD_unlet:
3672 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3673 arg = xp->xp_pattern + 1;
3674 xp->xp_context = EXPAND_USER_VARS;
3675 xp->xp_pattern = arg;
3676 break;
3677
3678 case CMD_function:
3679 case CMD_delfunction:
3680 xp->xp_context = EXPAND_USER_FUNC;
3681 xp->xp_pattern = arg;
3682 break;
3683
3684 case CMD_echohl:
3685 set_context_in_echohl_cmd(xp, arg);
3686 break;
3687 #endif
3688 case CMD_highlight:
3689 set_context_in_highlight_cmd(xp, arg);
3690 break;
3691 #ifdef FEAT_CSCOPE
3692 case CMD_cscope:
3693 case CMD_lcscope:
3694 case CMD_scscope:
3695 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3696 break;
3697 #endif
3698 #ifdef FEAT_SIGNS
3699 case CMD_sign:
3700 set_context_in_sign_cmd(xp, arg);
3701 break;
3702 #endif
3703 #ifdef FEAT_LISTCMDS
3704 case CMD_bdelete:
3705 case CMD_bwipeout:
3706 case CMD_bunload:
3707 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3708 arg = xp->xp_pattern + 1;
3709 /*FALLTHROUGH*/
3710 case CMD_buffer:
3711 case CMD_sbuffer:
3712 case CMD_checktime:
3713 xp->xp_context = EXPAND_BUFFERS;
3714 xp->xp_pattern = arg;
3715 break;
3716 #endif
3717 #ifdef FEAT_USR_CMDS
3718 case CMD_USER:
3719 case CMD_USER_BUF:
3720 if (compl != EXPAND_NOTHING)
3721 {
3722 /* XFILE: file names are handled above */
3723 if (!(ea.argt & XFILE))
3724 {
3725 # ifdef FEAT_MENU
3726 if (compl == EXPAND_MENUS)
3727 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3728 # endif
3729 if (compl == EXPAND_COMMANDS)
3730 return arg;
3731 if (compl == EXPAND_MAPPINGS)
3732 return set_context_in_map_cmd(xp, (char_u *)"map",
3733 arg, forceit, FALSE, FALSE, CMD_map);
3734 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3735 arg = xp->xp_pattern + 1;
3736 xp->xp_pattern = arg;
3737 }
3738 xp->xp_context = compl;
3739 }
3740 break;
3741 #endif
3742 case CMD_map: case CMD_noremap:
3743 case CMD_nmap: case CMD_nnoremap:
3744 case CMD_vmap: case CMD_vnoremap:
3745 case CMD_omap: case CMD_onoremap:
3746 case CMD_imap: case CMD_inoremap:
3747 case CMD_cmap: case CMD_cnoremap:
3748 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3749 FALSE, FALSE, ea.cmdidx);
3750 case CMD_unmap:
3751 case CMD_nunmap:
3752 case CMD_vunmap:
3753 case CMD_ounmap:
3754 case CMD_iunmap:
3755 case CMD_cunmap:
3756 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3757 FALSE, TRUE, ea.cmdidx);
3758 case CMD_abbreviate: case CMD_noreabbrev:
3759 case CMD_cabbrev: case CMD_cnoreabbrev:
3760 case CMD_iabbrev: case CMD_inoreabbrev:
3761 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3762 TRUE, FALSE, ea.cmdidx);
3763 case CMD_unabbreviate:
3764 case CMD_cunabbrev:
3765 case CMD_iunabbrev:
3766 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3767 TRUE, TRUE, ea.cmdidx);
3768 #ifdef FEAT_MENU
3769 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3770 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3771 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3772 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3773 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3774 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3775 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3776 case CMD_tmenu: case CMD_tunmenu:
3777 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3778 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3779 #endif
3780
3781 case CMD_colorscheme:
3782 xp->xp_context = EXPAND_COLORS;
3783 xp->xp_pattern = arg;
3784 break;
3785
3786 case CMD_compiler:
3787 xp->xp_context = EXPAND_COMPILER;
3788 xp->xp_pattern = arg;
3789 break;
3790
3791 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3792 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3793 case CMD_language:
3794 if (*skiptowhite(arg) == NUL)
3795 {
3796 xp->xp_context = EXPAND_LANGUAGE;
3797 xp->xp_pattern = arg;
3798 }
3799 else
3800 xp->xp_context = EXPAND_NOTHING;
3801 break;
3802 #endif
3803
3804 #endif /* FEAT_CMDL_COMPL */
3805
3806 default:
3807 break;
3808 }
3809 return NULL;
3810 }
3811
3812 /*
3813 * skip a range specifier of the form: addr [,addr] [;addr] ..
3814 *
3815 * Backslashed delimiters after / or ? will be skipped, and commands will
3816 * not be expanded between /'s and ?'s or after "'".
3817 *
3818 * Also skip white space and ":" characters.
3819 * Returns the "cmd" pointer advanced to beyond the range.
3820 */
3821 char_u *
3822 skip_range(cmd, ctx)
3823 char_u *cmd;
3824 int *ctx; /* pointer to xp_context or NULL */
3825 {
3826 int delim;
3827
3828 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3829 {
3830 if (*cmd == '\'')
3831 {
3832 if (*++cmd == NUL && ctx != NULL)
3833 *ctx = EXPAND_NOTHING;
3834 }
3835 else if (*cmd == '/' || *cmd == '?')
3836 {
3837 delim = *cmd++;
3838 while (*cmd != NUL && *cmd != delim)
3839 if (*cmd++ == '\\' && *cmd != NUL)
3840 ++cmd;
3841 if (*cmd == NUL && ctx != NULL)
3842 *ctx = EXPAND_NOTHING;
3843 }
3844 if (*cmd != NUL)
3845 ++cmd;
3846 }
3847
3848 /* Skip ":" and white space. */
3849 while (*cmd == ':')
3850 cmd = skipwhite(cmd + 1);
3851
3852 return cmd;
3853 }
3854
3855 /*
3856 * get a single EX address
3857 *
3858 * Set ptr to the next character after the part that was interpreted.
3859 * Set ptr to NULL when an error is encountered.
3860 *
3861 * Return MAXLNUM when no Ex address was found.
3862 */
3863 static linenr_T
3864 get_address(ptr, skip, to_other_file)
3865 char_u **ptr;
3866 int skip; /* only skip the address, don't use it */
3867 int to_other_file; /* flag: may jump to other file */
3868 {
3869 int c;
3870 int i;
3871 long n;
3872 char_u *cmd;
3873 pos_T pos;
3874 pos_T *fp;
3875 linenr_T lnum;
3876
3877 cmd = skipwhite(*ptr);
3878 lnum = MAXLNUM;
3879 do
3880 {
3881 switch (*cmd)
3882 {
3883 case '.': /* '.' - Cursor position */
3884 ++cmd;
3885 lnum = curwin->w_cursor.lnum;
3886 break;
3887
3888 case '$': /* '$' - last line */
3889 ++cmd;
3890 lnum = curbuf->b_ml.ml_line_count;
3891 break;
3892
3893 case '\'': /* ''' - mark */
3894 if (*++cmd == NUL)
3895 {
3896 cmd = NULL;
3897 goto error;
3898 }
3899 if (skip)
3900 ++cmd;
3901 else
3902 {
3903 /* Only accept a mark in another file when it is
3904 * used by itself: ":'M". */
3905 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3906 ++cmd;
3907 if (fp == (pos_T *)-1)
3908 /* Jumped to another file. */
3909 lnum = curwin->w_cursor.lnum;
3910 else
3911 {
3912 if (check_mark(fp) == FAIL)
3913 {
3914 cmd = NULL;
3915 goto error;
3916 }
3917 lnum = fp->lnum;
3918 }
3919 }
3920 break;
3921
3922 case '/':
3923 case '?': /* '/' or '?' - search */
3924 c = *cmd++;
3925 if (skip) /* skip "/pat/" */
3926 {
3927 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3928 if (*cmd == c)
3929 ++cmd;
3930 }
3931 else
3932 {
3933 pos = curwin->w_cursor; /* save curwin->w_cursor */
3934 /*
3935 * When '/' or '?' follows another address, start
3936 * from there.
3937 */
3938 if (lnum != MAXLNUM)
3939 curwin->w_cursor.lnum = lnum;
3940 /*
3941 * Start a forward search at the end of the line.
3942 * Start a backward search at the start of the line.
3943 * This makes sure we never match in the current
3944 * line, and can match anywhere in the
3945 * next/previous line.
3946 */
3947 if (c == '/')
3948 curwin->w_cursor.col = MAXCOL;
3949 else
3950 curwin->w_cursor.col = 0;
3951 searchcmdlen = 0;
3952 if (!do_search(NULL, c, cmd, 1L,
3953 SEARCH_HIS | SEARCH_MSG, NULL))
3954 {
3955 curwin->w_cursor = pos;
3956 cmd = NULL;
3957 goto error;
3958 }
3959 lnum = curwin->w_cursor.lnum;
3960 curwin->w_cursor = pos;
3961 /* adjust command string pointer */
3962 cmd += searchcmdlen;
3963 }
3964 break;
3965
3966 case '\\': /* "\?", "\/" or "\&", repeat search */
3967 ++cmd;
3968 if (*cmd == '&')
3969 i = RE_SUBST;
3970 else if (*cmd == '?' || *cmd == '/')
3971 i = RE_SEARCH;
3972 else
3973 {
3974 EMSG(_(e_backslash));
3975 cmd = NULL;
3976 goto error;
3977 }
3978
3979 if (!skip)
3980 {
3981 /*
3982 * When search follows another address, start from
3983 * there.
3984 */
3985 if (lnum != MAXLNUM)
3986 pos.lnum = lnum;
3987 else
3988 pos.lnum = curwin->w_cursor.lnum;
3989
3990 /*
3991 * Start the search just like for the above
3992 * do_search().
3993 */
3994 if (*cmd != '?')
3995 pos.col = MAXCOL;
3996 else
3997 pos.col = 0;
3998 if (searchit(curwin, curbuf, &pos,
3999 *cmd == '?' ? BACKWARD : FORWARD,
4000 (char_u *)"", 1L, SEARCH_MSG,
4001 i, (linenr_T)0, NULL) != FAIL)
4002 lnum = pos.lnum;
4003 else
4004 {
4005 cmd = NULL;
4006 goto error;
4007 }
4008 }
4009 ++cmd;
4010 break;
4011
4012 default:
4013 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4014 lnum = getdigits(&cmd);
4015 }
4016
4017 for (;;)
4018 {
4019 cmd = skipwhite(cmd);
4020 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4021 break;
4022
4023 if (lnum == MAXLNUM)
4024 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4025 if (VIM_ISDIGIT(*cmd))
4026 i = '+'; /* "number" is same as "+number" */
4027 else
4028 i = *cmd++;
4029 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4030 n = 1;
4031 else
4032 n = getdigits(&cmd);
4033 if (i == '-')
4034 lnum -= n;
4035 else
4036 lnum += n;
4037 }
4038 } while (*cmd == '/' || *cmd == '?');
4039
4040 error:
4041 *ptr = cmd;
4042 return lnum;
4043 }
4044
4045 /*
4046 * Get flags from an Ex command argument.
4047 */
4048 static void
4049 get_flags(eap)
4050 exarg_T *eap;
4051 {
4052 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4053 {
4054 if (*eap->arg == 'l')
4055 eap->flags |= EXFLAG_LIST;
4056 else if (*eap->arg == 'p')
4057 eap->flags |= EXFLAG_PRINT;
4058 else
4059 eap->flags |= EXFLAG_NR;
4060 eap->arg = skipwhite(eap->arg + 1);
4061 }
4062 }
4063
4064 /*
4065 * Function called for command which is Not Implemented. NI!
4066 */
4067 void
4068 ex_ni(eap)
4069 exarg_T *eap;
4070 {
4071 if (!eap->skip)
4072 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4073 }
4074
4075 #ifdef HAVE_EX_SCRIPT_NI
4076 /*
4077 * Function called for script command which is Not Implemented. NI!
4078 * Skips over ":perl <<EOF" constructs.
4079 */
4080 static void
4081 ex_script_ni(eap)
4082 exarg_T *eap;
4083 {
4084 if (!eap->skip)
4085 ex_ni(eap);
4086 else
4087 vim_free(script_get(eap, eap->arg));
4088 }
4089 #endif
4090
4091 /*
4092 * Check range in Ex command for validity.
4093 * Return NULL when valid, error message when invalid.
4094 */
4095 static char_u *
4096 invalid_range(eap)
4097 exarg_T *eap;
4098 {
4099 if ( eap->line1 < 0
4100 || eap->line2 < 0
4101 || eap->line1 > eap->line2
4102 || ((eap->argt & RANGE)
4103 && !(eap->argt & NOTADR)
4104 && eap->line2 > curbuf->b_ml.ml_line_count
4105 #ifdef FEAT_DIFF
4106 + (eap->cmdidx == CMD_diffget)
4107 #endif
4108 ))
4109 return (char_u *)_(e_invrange);
4110 return NULL;
4111 }
4112
4113 /*
4114 * Correct the range for zero line number, if required.
4115 */
4116 static void
4117 correct_range(eap)
4118 exarg_T *eap;
4119 {
4120 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4121 {
4122 if (eap->line1 == 0)
4123 eap->line1 = 1;
4124 if (eap->line2 == 0)
4125 eap->line2 = 1;
4126 }
4127 }
4128
4129 #ifdef FEAT_QUICKFIX
4130 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4131
4132 /*
4133 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4134 * pattern. Otherwise return eap->arg.
4135 */
4136 static char_u *
4137 skip_grep_pat(eap)
4138 exarg_T *eap;
4139 {
4140 char_u *p = eap->arg;
4141
4142 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4143 || eap->cmdidx == CMD_vimgrepadd
4144 || eap->cmdidx == CMD_lvimgrepadd
4145 || grep_internal(eap->cmdidx)))
4146 {
4147 p = skip_vimgrep_pat(p, NULL, NULL);
4148 if (p == NULL)
4149 p = eap->arg;
4150 }
4151 return p;
4152 }
4153
4154 /*
4155 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4156 * in the command line, so that things like % get expanded.
4157 */
4158 static char_u *
4159 replace_makeprg(eap, p, cmdlinep)
4160 exarg_T *eap;
4161 char_u *p;
4162 char_u **cmdlinep;
4163 {
4164 char_u *new_cmdline;
4165 char_u *program;
4166 char_u *pos;
4167 char_u *ptr;
4168 int len;
4169 int i;
4170
4171 /*
4172 * Don't do it when ":vimgrep" is used for ":grep".
4173 */
4174 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4175 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4176 || eap->cmdidx == CMD_grepadd
4177 || eap->cmdidx == CMD_lgrepadd)
4178 && !grep_internal(eap->cmdidx))
4179 {
4180 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4181 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4182 {
4183 if (*curbuf->b_p_gp == NUL)
4184 program = p_gp;
4185 else
4186 program = curbuf->b_p_gp;
4187 }
4188 else
4189 {
4190 if (*curbuf->b_p_mp == NUL)
4191 program = p_mp;
4192 else
4193 program = curbuf->b_p_mp;
4194 }
4195
4196 p = skipwhite(p);
4197
4198 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4199 {
4200 /* replace $* by given arguments */
4201 i = 1;
4202 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4203 ++i;
4204 len = (int)STRLEN(p);
4205 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4206 if (new_cmdline == NULL)
4207 return NULL; /* out of memory */
4208 ptr = new_cmdline;
4209 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4210 {
4211 i = (int)(pos - program);
4212 STRNCPY(ptr, program, i);
4213 STRCPY(ptr += i, p);
4214 ptr += len;
4215 program = pos + 2;
4216 }
4217 STRCPY(ptr, program);
4218 }
4219 else
4220 {
4221 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4222 if (new_cmdline == NULL)
4223 return NULL; /* out of memory */
4224 STRCPY(new_cmdline, program);
4225 STRCAT(new_cmdline, " ");
4226 STRCAT(new_cmdline, p);
4227 }
4228 msg_make(p);
4229
4230 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4231 vim_free(*cmdlinep);
4232 *cmdlinep = new_cmdline;
4233 p = new_cmdline;
4234 }
4235 return p;
4236 }
4237 #endif
4238
4239 /*
4240 * Expand file name in Ex command argument.
4241 * Return FAIL for failure, OK otherwise.
4242 */
4243 int
4244 expand_filename(eap, cmdlinep, errormsgp)
4245 exarg_T *eap;
4246 char_u **cmdlinep;
4247 char_u **errormsgp;
4248 {
4249 int has_wildcards; /* need to expand wildcards */
4250 char_u *repl;
4251 int srclen;
4252 char_u *p;
4253 int n;
4254 int escaped;
4255
4256 #ifdef FEAT_QUICKFIX
4257 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4258 p = skip_grep_pat(eap);
4259 #else
4260 p = eap->arg;
4261 #endif
4262
4263 /*
4264 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4265 * the file name contains a wildcard it should not cause expanding.
4266 * (it will be expanded anyway if there is a wildcard before replacing).
4267 */
4268 has_wildcards = mch_has_wildcard(p);
4269 while (*p != NUL)
4270 {
4271 #ifdef FEAT_EVAL
4272 /* Skip over `=expr`, wildcards in it are not expanded. */
4273 if (p[0] == '`' && p[1] == '=')
4274 {
4275 p += 2;
4276 (void)skip_expr(&p);
4277 if (*p == '`')
4278 ++p;
4279 continue;
4280 }
4281 #endif
4282 /*
4283 * Quick check if this cannot be the start of a special string.
4284 * Also removes backslash before '%', '#' and '<'.
4285 */
4286 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4287 {
4288 ++p;
4289 continue;
4290 }
4291
4292 /*
4293 * Try to find a match at this position.
4294 */
4295 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4296 errormsgp, &escaped);
4297 if (*errormsgp != NULL) /* error detected */
4298 return FAIL;
4299 if (repl == NULL) /* no match found */
4300 {
4301 p += srclen;
4302 continue;
4303 }
4304
4305 /* Wildcards won't be expanded below, the replacement is taken
4306 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4307 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4308 {
4309 char_u *l = repl;
4310
4311 repl = expand_env_save(repl);
4312 vim_free(l);
4313 }
4314
4315 /* Need to escape white space et al. with a backslash.
4316 * Don't do this for:
4317 * - replacement that already has been escaped: "##"
4318 * - shell commands (may have to use quotes instead).
4319 * - non-unix systems when there is a single argument (spaces don't
4320 * separate arguments then).
4321 */
4322 if (!eap->usefilter
4323 && !escaped
4324 && eap->cmdidx != CMD_bang
4325 && eap->cmdidx != CMD_make
4326 && eap->cmdidx != CMD_lmake
4327 && eap->cmdidx != CMD_grep
4328 && eap->cmdidx != CMD_lgrep
4329 && eap->cmdidx != CMD_grepadd
4330 && eap->cmdidx != CMD_lgrepadd
4331 #ifndef UNIX
4332 && !(eap->argt & NOSPC)
4333 #endif
4334 )
4335 {
4336 char_u *l;
4337 #ifdef BACKSLASH_IN_FILENAME
4338 /* Don't escape a backslash here, because rem_backslash() doesn't
4339 * remove it later. */
4340 static char_u *nobslash = (char_u *)" \t\"|";
4341 # define ESCAPE_CHARS nobslash
4342 #else
4343 # define ESCAPE_CHARS escape_chars
4344 #endif
4345
4346 for (l = repl; *l; ++l)
4347 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4348 {
4349 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4350 if (l != NULL)
4351 {
4352 vim_free(repl);
4353 repl = l;
4354 }
4355 break;
4356 }
4357 }
4358
4359 /* For a shell command a '!' must be escaped. */
4360 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4361 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4362 {
4363 char_u *l;
4364
4365 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4366 if (l != NULL)
4367 {
4368 vim_free(repl);
4369 repl = l;
4370 /* For a sh-like shell escape "!" another time. */
4371 if (strstr((char *)p_sh, "sh") != NULL)
4372 {
4373 l = vim_strsave_escaped(repl, (char_u *)"!");
4374 if (l != NULL)
4375 {
4376 vim_free(repl);
4377 repl = l;
4378 }
4379 }
4380 }
4381 }
4382
4383 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4384 vim_free(repl);
4385 if (p == NULL)
4386 return FAIL;
4387 }
4388
4389 /*
4390 * One file argument: Expand wildcards.
4391 * Don't do this with ":r !command" or ":w !command".
4392 */
4393 if ((eap->argt & NOSPC) && !eap->usefilter)
4394 {
4395 /*
4396 * May do this twice:
4397 * 1. Replace environment variables.
4398 * 2. Replace any other wildcards, remove backslashes.
4399 */
4400 for (n = 1; n <= 2; ++n)
4401 {
4402 if (n == 2)
4403 {
4404 #ifdef UNIX
4405 /*
4406 * Only for Unix we check for more than one file name.
4407 * For other systems spaces are considered to be part
4408 * of the file name.
4409 * Only check here if there is no wildcard, otherwise
4410 * ExpandOne() will check for errors. This allows
4411 * ":e `ls ve*.c`" on Unix.
4412 */
4413 if (!has_wildcards)
4414 for (p = eap->arg; *p; ++p)
4415 {
4416 /* skip escaped characters */
4417 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4418 ++p;
4419 else if (vim_iswhite(*p))
4420 {
4421 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4422 return FAIL;
4423 }
4424 }
4425 #endif
4426
4427 /*
4428 * Halve the number of backslashes (this is Vi compatible).
4429 * For Unix and OS/2, when wildcards are expanded, this is
4430 * done by ExpandOne() below.
4431 */
4432 #if defined(UNIX) || defined(OS2)
4433 if (!has_wildcards)
4434 #endif
4435 backslash_halve(eap->arg);
4436 }
4437
4438 if (has_wildcards)
4439 {
4440 if (n == 1)
4441 {
4442 /*
4443 * First loop: May expand environment variables. This
4444 * can be done much faster with expand_env() than with
4445 * something else (e.g., calling a shell).
4446 * After expanding environment variables, check again
4447 * if there are still wildcards present.
4448 */
4449 if (vim_strchr(eap->arg, '$') != NULL
4450 || vim_strchr(eap->arg, '~') != NULL)
4451 {
4452 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4453 TRUE, TRUE, NULL);
4454 has_wildcards = mch_has_wildcard(NameBuff);
4455 p = NameBuff;
4456 }
4457 else
4458 p = NULL;
4459 }
4460 else /* n == 2 */
4461 {
4462 expand_T xpc;
4463
4464 ExpandInit(&xpc);
4465 xpc.xp_context = EXPAND_FILES;
4466 p = ExpandOne(&xpc, eap->arg, NULL,
4467 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4468 WILD_EXPAND_FREE);
4469 if (p == NULL)
4470 return FAIL;
4471 }
4472 if (p != NULL)
4473 {
4474 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4475 p, cmdlinep);
4476 if (n == 2) /* p came from ExpandOne() */
4477 vim_free(p);
4478 }
4479 }
4480 }
4481 }
4482 return OK;
4483 }
4484
4485 /*
4486 * Replace part of the command line, keeping eap->cmd, eap->arg and
4487 * eap->nextcmd correct.
4488 * "src" points to the part that is to be replaced, of length "srclen".
4489 * "repl" is the replacement string.
4490 * Returns a pointer to the character after the replaced string.
4491 * Returns NULL for failure.
4492 */
4493 static char_u *
4494 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4495 exarg_T *eap;
4496 char_u *src;
4497 int srclen;
4498 char_u *repl;
4499 char_u **cmdlinep;
4500 {
4501 int len;
4502 int i;
4503 char_u *new_cmdline;
4504
4505 /*
4506 * The new command line is build in new_cmdline[].
4507 * First allocate it.
4508 * Careful: a "+cmd" argument may have been NUL terminated.
4509 */
4510 len = (int)STRLEN(repl);
4511 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4512 if (eap->nextcmd != NULL)
4513 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4514 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4515 return NULL; /* out of memory! */
4516
4517 /*
4518 * Copy the stuff before the expanded part.
4519 * Copy the expanded stuff.
4520 * Copy what came after the expanded part.
4521 * Copy the next commands, if there are any.
4522 */
4523 i = (int)(src - *cmdlinep); /* length of part before match */
4524 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4525
4526 mch_memmove(new_cmdline + i, repl, (size_t)len);
4527 i += len; /* remember the end of the string */
4528 STRCPY(new_cmdline + i, src + srclen);
4529 src = new_cmdline + i; /* remember where to continue */
4530
4531 if (eap->nextcmd != NULL) /* append next command */
4532 {
4533 i = (int)STRLEN(new_cmdline) + 1;
4534 STRCPY(new_cmdline + i, eap->nextcmd);
4535 eap->nextcmd = new_cmdline + i;
4536 }
4537 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4538 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4539 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4540 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4541 vim_free(*cmdlinep);
4542 *cmdlinep = new_cmdline;
4543
4544 return src;
4545 }
4546
4547 /*
4548 * Check for '|' to separate commands and '"' to start comments.
4549 */
4550 void
4551 separate_nextcmd(eap)
4552 exarg_T *eap;
4553 {
4554 char_u *p;
4555
4556 #ifdef FEAT_QUICKFIX
4557 p = skip_grep_pat(eap);
4558 #else
4559 p = eap->arg;
4560 #endif
4561
4562 for ( ; *p; mb_ptr_adv(p))
4563 {
4564 if (*p == Ctrl_V)
4565 {
4566 if (eap->argt & (USECTRLV | XFILE))
4567 ++p; /* skip CTRL-V and next char */
4568 else
4569 /* remove CTRL-V and skip next char */
4570 STRMOVE(p, p + 1);
4571 if (*p == NUL) /* stop at NUL after CTRL-V */
4572 break;
4573 }
4574
4575 #ifdef FEAT_EVAL
4576 /* Skip over `=expr` when wildcards are expanded. */
4577 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4578 {
4579 p += 2;
4580 (void)skip_expr(&p);
4581 }
4582 #endif
4583
4584 /* Check for '"': start of comment or '|': next command */
4585 /* :@" and :*" do not start a comment!
4586 * :redir @" doesn't either. */
4587 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4588 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4589 || p != eap->arg)
4590 && (eap->cmdidx != CMD_redir
4591 || p != eap->arg + 1 || p[-1] != '@'))
4592 || *p == '|' || *p == '\n')
4593 {
4594 /*
4595 * We remove the '\' before the '|', unless USECTRLV is used
4596 * AND 'b' is present in 'cpoptions'.
4597 */
4598 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4599 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4600 {
4601 STRMOVE(p - 1, p); /* remove the '\' */
4602 --p;
4603 }
4604 else
4605 {
4606 eap->nextcmd = check_nextcmd(p);
4607 *p = NUL;
4608 break;
4609 }
4610 }
4611 }
4612
4613 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4614 del_trailing_spaces(eap->arg);
4615 }
4616
4617 /*
4618 * get + command from ex argument
4619 */
4620 static char_u *
4621 getargcmd(argp)
4622 char_u **argp;
4623 {
4624 char_u *arg = *argp;
4625 char_u *command = NULL;
4626
4627 if (*arg == '+') /* +[command] */
4628 {
4629 ++arg;
4630 if (vim_isspace(*arg))
4631 command = dollar_command;
4632 else
4633 {
4634 command = arg;
4635 arg = skip_cmd_arg(command, TRUE);
4636 if (*arg != NUL)
4637 *arg++ = NUL; /* terminate command with NUL */
4638 }
4639
4640 arg = skipwhite(arg); /* skip over spaces */
4641 *argp = arg;
4642 }
4643 return command;
4644 }
4645
4646 /*
4647 * Find end of "+command" argument. Skip over "\ " and "\\".
4648 */
4649 static char_u *
4650 skip_cmd_arg(p, rembs)
4651 char_u *p;
4652 int rembs; /* TRUE to halve the number of backslashes */
4653 {
4654 while (*p && !vim_isspace(*p))
4655 {
4656 if (*p == '\\' && p[1] != NUL)
4657 {
4658 if (rembs)
4659 STRMOVE(p, p + 1);
4660 else
4661 ++p;
4662 }
4663 mb_ptr_adv(p);
4664 }
4665 return p;
4666 }
4667
4668 /*
4669 * Get "++opt=arg" argument.
4670 * Return FAIL or OK.
4671 */
4672 static int
4673 getargopt(eap)
4674 exarg_T *eap;
4675 {
4676 char_u *arg = eap->arg + 2;
4677 int *pp = NULL;
4678 #ifdef FEAT_MBYTE
4679 char_u *p;
4680 #endif
4681
4682 /* ":edit ++[no]bin[ary] file" */
4683 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4684 {
4685 if (*arg == 'n')
4686 {
4687 arg += 2;
4688 eap->force_bin = FORCE_NOBIN;
4689 }
4690 else
4691 eap->force_bin = FORCE_BIN;
4692 if (!checkforcmd(&arg, "binary", 3))
4693 return FAIL;
4694 eap->arg = skipwhite(arg);
4695 return OK;
4696 }
4697
4698 /* ":read ++edit file" */
4699 if (STRNCMP(arg, "edit", 4) == 0)
4700 {
4701 eap->read_edit = TRUE;
4702 eap->arg = skipwhite(arg + 4);
4703 return OK;
4704 }
4705
4706 if (STRNCMP(arg, "ff", 2) == 0)
4707 {
4708 arg += 2;
4709 pp = &eap->force_ff;
4710 }
4711 else if (STRNCMP(arg, "fileformat", 10) == 0)
4712 {
4713 arg += 10;
4714 pp = &eap->force_ff;
4715 }
4716 #ifdef FEAT_MBYTE
4717 else if (STRNCMP(arg, "enc", 3) == 0)
4718 {
4719 arg += 3;
4720 pp = &eap->force_enc;
4721 }
4722 else if (STRNCMP(arg, "encoding", 8) == 0)
4723 {
4724 arg += 8;
4725 pp = &eap->force_enc;
4726 }
4727 else if (STRNCMP(arg, "bad", 3) == 0)
4728 {
4729 arg += 3;
4730 pp = &eap->bad_char;
4731 }
4732 #endif
4733
4734 if (pp == NULL || *arg != '=')
4735 return FAIL;
4736
4737 ++arg;
4738 *pp = (int)(arg - eap->cmd);
4739 arg = skip_cmd_arg(arg, FALSE);
4740 eap->arg = skipwhite(arg);
4741 *arg = NUL;
4742
4743 #ifdef FEAT_MBYTE
4744 if (pp == &eap->force_ff)
4745 {
4746 #endif
4747 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4748 return FAIL;
4749 #ifdef FEAT_MBYTE
4750 }
4751 else if (pp == &eap->force_enc)
4752 {
4753 /* Make 'fileencoding' lower case. */
4754 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4755 *p = TOLOWER_ASC(*p);
4756 }
4757 else
4758 {
4759 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4760 * "drop". */
4761 p = eap->cmd + eap->bad_char;
4762 if (STRICMP(p, "keep") == 0)
4763 eap->bad_char = BAD_KEEP;
4764 else if (STRICMP(p, "drop") == 0)
4765 eap->bad_char = BAD_DROP;
4766 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4767 eap->bad_char = *p;
4768 else
4769 return FAIL;
4770 }
4771 #endif
4772
4773 return OK;
4774 }
4775
4776 /*
4777 * ":abbreviate" and friends.
4778 */
4779 static void
4780 ex_abbreviate(eap)
4781 exarg_T *eap;
4782 {
4783 do_exmap(eap, TRUE); /* almost the same as mapping */
4784 }
4785
4786 /*
4787 * ":map" and friends.
4788 */
4789 static void
4790 ex_map(eap)
4791 exarg_T *eap;
4792 {
4793 /*
4794 * If we are sourcing .exrc or .vimrc in current directory we
4795 * print the mappings for security reasons.
4796 */
4797 if (secure)
4798 {
4799 secure = 2;
4800 msg_outtrans(eap->cmd);
4801 msg_putchar('\n');
4802 }
4803 do_exmap(eap, FALSE);
4804 }
4805
4806 /*
4807 * ":unmap" and friends.
4808 */
4809 static void
4810 ex_unmap(eap)
4811 exarg_T *eap;
4812 {
4813 do_exmap(eap, FALSE);
4814 }
4815
4816 /*
4817 * ":mapclear" and friends.
4818 */
4819 static void
4820 ex_mapclear(eap)
4821 exarg_T *eap;
4822 {
4823 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4824 }
4825
4826 /*
4827 * ":abclear" and friends.
4828 */
4829 static void
4830 ex_abclear(eap)
4831 exarg_T *eap;
4832 {
4833 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4834 }
4835
4836 #ifdef FEAT_AUTOCMD
4837 static void
4838 ex_autocmd(eap)
4839 exarg_T *eap;
4840 {
4841 /*
4842 * Disallow auto commands from .exrc and .vimrc in current
4843 * directory for security reasons.
4844 */
4845 if (secure)
4846 {
4847 secure = 2;
4848 eap->errmsg = e_curdir;
4849 }
4850 else if (eap->cmdidx == CMD_autocmd)
4851 do_autocmd(eap->arg, eap->forceit);
4852 else
4853 do_augroup(eap->arg, eap->forceit);
4854 }
4855
4856 /*
4857 * ":doautocmd": Apply the automatic commands to the current buffer.
4858 */
4859 static void
4860 ex_doautocmd(eap)
4861 exarg_T *eap;
4862 {
4863 (void)do_doautocmd(eap->arg, TRUE);
4864 do_modelines(0);
4865 }
4866 #endif
4867
4868 #ifdef FEAT_LISTCMDS
4869 /*
4870 * :[N]bunload[!] [N] [bufname] unload buffer
4871 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4872 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4873 */
4874 static void
4875 ex_bunload(eap)
4876 exarg_T *eap;
4877 {
4878 eap->errmsg = do_bufdel(
4879 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4880 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4881 : DOBUF_UNLOAD, eap->arg,
4882 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4883 }
4884
4885 /*
4886 * :[N]buffer [N] to buffer N
4887 * :[N]sbuffer [N] to buffer N
4888 */
4889 static void
4890 ex_buffer(eap)
4891 exarg_T *eap;
4892 {
4893 if (*eap->arg)
4894 eap->errmsg = e_trailing;
4895 else
4896 {
4897 if (eap->addr_count == 0) /* default is current buffer */
4898 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4899 else
4900 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4901 }
4902 }
4903
4904 /*
4905 * :[N]bmodified [N] to next mod. buffer
4906 * :[N]sbmodified [N] to next mod. buffer
4907 */
4908 static void
4909 ex_bmodified(eap)
4910 exarg_T *eap;
4911 {
4912 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4913 }
4914
4915 /*
4916 * :[N]bnext [N] to next buffer
4917 * :[N]sbnext [N] split and to next buffer
4918 */
4919 static void
4920 ex_bnext(eap)
4921 exarg_T *eap;
4922 {
4923 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4924 }
4925
4926 /*
4927 * :[N]bNext [N] to previous buffer
4928 * :[N]bprevious [N] to previous buffer
4929 * :[N]sbNext [N] split and to previous buffer
4930 * :[N]sbprevious [N] split and to previous buffer
4931 */
4932 static void
4933 ex_bprevious(eap)
4934 exarg_T *eap;
4935 {
4936 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4937 }
4938
4939 /*
4940 * :brewind to first buffer
4941 * :bfirst to first buffer
4942 * :sbrewind split and to first buffer
4943 * :sbfirst split and to first buffer
4944 */
4945 static void
4946 ex_brewind(eap)
4947 exarg_T *eap;
4948 {
4949 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4950 }
4951
4952 /*
4953 * :blast to last buffer
4954 * :sblast split and to last buffer
4955 */
4956 static void
4957 ex_blast(eap)
4958 exarg_T *eap;
4959 {
4960 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4961 }
4962 #endif
4963
4964 int
4965 ends_excmd(c)
4966 int c;
4967 {
4968 return (c == NUL || c == '|' || c == '"' || c == '\n');
4969 }
4970
4971 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4972 || defined(PROTO)
4973 /*
4974 * Return the next command, after the first '|' or '\n'.
4975 * Return NULL if not found.
4976 */
4977 char_u *
4978 find_nextcmd(p)
4979 char_u *p;
4980 {
4981 while (*p != '|' && *p != '\n')
4982 {
4983 if (*p == NUL)
4984 return NULL;
4985 ++p;
4986 }
4987 return (p + 1);
4988 }
4989 #endif
4990
4991 /*
4992 * Check if *p is a separator between Ex commands.
4993 * Return NULL if it isn't, (p + 1) if it is.
4994 */
4995 char_u *
4996 check_nextcmd(p)
4997 char_u *p;
4998 {
4999 p = skipwhite(p);
5000 if (*p == '|' || *p == '\n')
5001 return (p + 1);
5002 else
5003 return NULL;
5004 }
5005
5006 /*
5007 * - if there are more files to edit
5008 * - and this is the last window
5009 * - and forceit not used
5010 * - and not repeated twice on a row
5011 * return FAIL and give error message if 'message' TRUE
5012 * return OK otherwise
5013 */
5014 static int
5015 check_more(message, forceit)
5016 int message; /* when FALSE check only, no messages */
5017 int forceit;
5018 {
5019 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5020
5021 if (!forceit && only_one_window()
5022 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5023 {
5024 if (message)
5025 {
5026 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5027 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5028 {
5029 char_u buff[IOSIZE];
5030
5031 if (n == 1)
5032 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5033 else
5034 vim_snprintf((char *)buff, IOSIZE,
5035 _("%d more files to edit. Quit anyway?"), n);
5036 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5037 return OK;
5038 return FAIL;
5039 }
5040 #endif
5041 if (n == 1)
5042 EMSG(_("E173: 1 more file to edit"));
5043 else
5044 EMSGN(_("E173: %ld more files to edit"), n);
5045 quitmore = 2; /* next try to quit is allowed */
5046 }
5047 return FAIL;
5048 }
5049 return OK;
5050 }
5051
5052 #ifdef FEAT_CMDL_COMPL
5053 /*
5054 * Function given to ExpandGeneric() to obtain the list of command names.
5055 */
5056 /*ARGSUSED*/
5057 char_u *
5058 get_command_name(xp, idx)
5059 expand_T *xp;
5060 int idx;
5061 {
5062 if (idx >= (int)CMD_SIZE)
5063 # ifdef FEAT_USR_CMDS
5064 return get_user_command_name(idx);
5065 # else
5066 return NULL;
5067 # endif
5068 return cmdnames[idx].cmd_name;
5069 }
5070 #endif
5071
5072 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5073 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));
5074 static void uc_list __ARGS((char_u *name, size_t name_len));
5075 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5076 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5077 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));
5078
5079 static int
5080 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5081 char_u *name;
5082 size_t name_len;
5083 char_u *rep;
5084 long argt;
5085 long def;
5086 int flags;
5087 int compl;
5088 char_u *compl_arg;
5089 int force;
5090 {
5091 ucmd_T *cmd = NULL;
5092 char_u *p;
5093 int i;
5094 int cmp = 1;
5095 char_u *rep_buf = NULL;
5096 garray_T *gap;
5097
5098 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5099 if (rep_buf == NULL)
5100 {
5101 /* Can't replace termcodes - try using the string as is */
5102 rep_buf = vim_strsave(rep);
5103
5104 /* Give up if out of memory */
5105 if (rep_buf == NULL)
5106 return FAIL;
5107 }
5108
5109 /* get address of growarray: global or in curbuf */
5110 if (flags & UC_BUFFER)
5111 {
5112 gap = &curbuf->b_ucmds;
5113 if (gap->ga_itemsize == 0)
5114 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5115 }
5116 else
5117 gap = &ucmds;
5118
5119 /* Search for the command in the already defined commands. */
5120 for (i = 0; i < gap->ga_len; ++i)
5121 {
5122 size_t len;
5123
5124 cmd = USER_CMD_GA(gap, i);
5125 len = STRLEN(cmd->uc_name);
5126 cmp = STRNCMP(name, cmd->uc_name, name_len);
5127 if (cmp == 0)
5128 {
5129 if (name_len < len)
5130 cmp = -1;
5131 else if (name_len > len)
5132 cmp = 1;
5133 }
5134
5135 if (cmp == 0)
5136 {
5137 if (!force)
5138 {
5139 EMSG(_("E174: Command already exists: add ! to replace it"));
5140 goto fail;
5141 }
5142
5143 vim_free(cmd->uc_rep);
5144 cmd->uc_rep = NULL;
5145 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5146 vim_free(cmd->uc_compl_arg);
5147 cmd->uc_compl_arg = NULL;
5148 #endif
5149 break;
5150 }
5151
5152 /* Stop as soon as we pass the name to add */
5153 if (cmp < 0)
5154 break;
5155 }
5156
5157 /* Extend the array unless we're replacing an existing command */
5158 if (cmp != 0)
5159 {
5160 if (ga_grow(gap, 1) != OK)
5161 goto fail;
5162 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5163 goto fail;
5164
5165 cmd = USER_CMD_GA(gap, i);
5166 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5167
5168 ++gap->ga_len;
5169
5170 cmd->uc_name = p;
5171 }
5172
5173 cmd->uc_rep = rep_buf;
5174 cmd->uc_argt = argt;
5175 cmd->uc_def = def;
5176 cmd->uc_compl = compl;
5177 #ifdef FEAT_EVAL
5178 cmd->uc_scriptID = current_SID;
5179 # ifdef FEAT_CMDL_COMPL
5180 cmd->uc_compl_arg = compl_arg;
5181 # endif
5182 #endif
5183
5184 return OK;
5185
5186 fail:
5187 vim_free(rep_buf);
5188 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5189 vim_free(compl_arg);
5190 #endif
5191 return FAIL;
5192 }
5193
5194 /*
5195 * List of names for completion for ":command" with the EXPAND_ flag.
5196 * Must be alphabetical for completion.
5197 */
5198 static struct
5199 {
5200 int expand;
5201 char *name;
5202 } command_complete[] =
5203 {
5204 {EXPAND_AUGROUP, "augroup"},
5205 {EXPAND_BUFFERS, "buffer"},
5206 {EXPAND_COMMANDS, "command"},
5207 #if defined(FEAT_CSCOPE)
5208 {EXPAND_CSCOPE, "cscope"},
5209 #endif
5210 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5211 {EXPAND_USER_DEFINED, "custom"},
5212 {EXPAND_USER_LIST, "customlist"},
5213 #endif
5214 {EXPAND_DIRECTORIES, "dir"},
5215 {EXPAND_ENV_VARS, "environment"},
5216 {EXPAND_EVENTS, "event"},
5217 {EXPAND_EXPRESSION, "expression"},
5218 {EXPAND_FILES, "file"},
5219 {EXPAND_FUNCTIONS, "function"},
5220 {EXPAND_HELP, "help"},
5221 {EXPAND_HIGHLIGHT, "highlight"},
5222 {EXPAND_MAPPINGS, "mapping"},
5223 {EXPAND_MENUS, "menu"},
5224 {EXPAND_SETTINGS, "option"},
5225 {EXPAND_SHELLCMD, "shellcmd"},
5226 #if defined(FEAT_SIGNS)
5227 {EXPAND_SIGN, "sign"},
5228 #endif
5229 {EXPAND_TAGS, "tag"},
5230 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5231 {EXPAND_USER_VARS, "var"},
5232 {0, NULL}
5233 };
5234
5235 static void
5236 uc_list(name, name_len)
5237 char_u *name;
5238 size_t name_len;
5239 {
5240 int i, j;
5241 int found = FALSE;
5242 ucmd_T *cmd;
5243 int len;
5244 long a;
5245 garray_T *gap;
5246
5247 gap = &curbuf->b_ucmds;
5248 for (;;)
5249 {
5250 for (i = 0; i < gap->ga_len; ++i)
5251 {
5252 cmd = USER_CMD_GA(gap, i);
5253 a = (long)cmd->uc_argt;
5254
5255 /* Skip commands which don't match the requested prefix */
5256 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5257 continue;
5258
5259 /* Put out the title first time */
5260 if (!found)
5261 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5262 found = TRUE;
5263 msg_putchar('\n');
5264 if (got_int)
5265 break;
5266
5267 /* Special cases */
5268 msg_putchar(a & BANG ? '!' : ' ');
5269 msg_putchar(a & REGSTR ? '"' : ' ');
5270 msg_putchar(gap != &ucmds ? 'b' : ' ');
5271 msg_putchar(' ');
5272
5273 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5274 len = (int)STRLEN(cmd->uc_name) + 4;
5275
5276 do {
5277 msg_putchar(' ');
5278 ++len;
5279 } while (len < 16);
5280
5281 len = 0;
5282
5283 /* Arguments */
5284 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5285 {
5286 case 0: IObuff[len++] = '0'; break;
5287 case (EXTRA): IObuff[len++] = '*'; break;
5288 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5289 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5290 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5291 }
5292
5293 do {
5294 IObuff[len++] = ' ';
5295 } while (len < 5);
5296
5297 /* Range */
5298 if (a & (RANGE|COUNT))
5299 {
5300 if (a & COUNT)
5301 {
5302 /* -count=N */
5303 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5304 len += (int)STRLEN(IObuff + len);
5305 }
5306 else if (a & DFLALL)
5307 IObuff[len++] = '%';
5308 else if (cmd->uc_def >= 0)
5309 {
5310 /* -range=N */
5311 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5312 len += (int)STRLEN(IObuff + len);
5313 }
5314 else
5315 IObuff[len++] = '.';
5316 }
5317
5318 do {
5319 IObuff[len++] = ' ';
5320 } while (len < 11);
5321
5322 /* Completion */
5323 for (j = 0; command_complete[j].expand != 0; ++j)
5324 if (command_complete[j].expand == cmd->uc_compl)
5325 {
5326 STRCPY(IObuff + len, command_complete[j].name);
5327 len += (int)STRLEN(IObuff + len);
5328 break;
5329 }
5330
5331 do {
5332 IObuff[len++] = ' ';
5333 } while (len < 21);
5334
5335 IObuff[len] = '\0';
5336 msg_outtrans(IObuff);
5337
5338 msg_outtrans_special(cmd->uc_rep, FALSE);
5339 #ifdef FEAT_EVAL
5340 if (p_verbose > 0)
5341 last_set_msg(cmd->uc_scriptID);
5342 #endif
5343 out_flush();
5344 ui_breakcheck();
5345 if (got_int)
5346 break;
5347 }
5348 if (gap == &ucmds || i < gap->ga_len)
5349 break;
5350 gap = &ucmds;
5351 }
5352
5353 if (!found)
5354 MSG(_("No user-defined commands found"));
5355 }
5356
5357 static char_u *
5358 uc_fun_cmd()
5359 {
5360 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5361 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5362 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5363 0xb9, 0x7f, 0};
5364 int i;
5365
5366 for (i = 0; fcmd[i]; ++i)
5367 IObuff[i] = fcmd[i] - 0x40;
5368 IObuff[i] = 0;
5369 return IObuff;
5370 }
5371
5372 static int
5373 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5374 char_u *attr;
5375 size_t len;
5376 long *argt;
5377 long *def;
5378 int *flags;
5379 int *compl;
5380 char_u **compl_arg;
5381 {
5382 char_u *p;
5383
5384 if (len == 0)
5385 {
5386 EMSG(_("E175: No attribute specified"));
5387 return FAIL;
5388 }
5389
5390 /* First, try the simple attributes (no arguments) */
5391 if (STRNICMP(attr, "bang", len) == 0)
5392 *argt |= BANG;
5393 else if (STRNICMP(attr, "buffer", len) == 0)
5394 *flags |= UC_BUFFER;
5395 else if (STRNICMP(attr, "register", len) == 0)
5396 *argt |= REGSTR;
5397 else if (STRNICMP(attr, "bar", len) == 0)
5398 *argt |= TRLBAR;
5399 else
5400 {
5401 int i;
5402 char_u *val = NULL;
5403 size_t vallen = 0;
5404 size_t attrlen = len;
5405
5406 /* Look for the attribute name - which is the part before any '=' */
5407 for (i = 0; i < (int)len; ++i)
5408 {
5409 if (attr[i] == '=')
5410 {
5411 val = &attr[i + 1];
5412 vallen = len - i - 1;
5413 attrlen = i;
5414 break;
5415 }
5416 }
5417
5418 if (STRNICMP(attr, "nargs", attrlen) == 0)
5419 {
5420 if (vallen == 1)
5421 {
5422 if (*val == '0')
5423 /* Do nothing - this is the default */;
5424 else if (*val == '1')
5425 *argt |= (EXTRA | NOSPC | NEEDARG);
5426 else if (*val == '*')
5427 *argt |= EXTRA;
5428 else if (*val == '?')
5429 *argt |= (EXTRA | NOSPC);
5430 else if (*val == '+')
5431 *argt |= (EXTRA | NEEDARG);
5432 else
5433 goto wrong_nargs;
5434 }
5435 else
5436 {
5437 wrong_nargs:
5438 EMSG(_("E176: Invalid number of arguments"));
5439 return FAIL;
5440 }
5441 }
5442 else if (STRNICMP(attr, "range", attrlen) == 0)
5443 {
5444 *argt |= RANGE;
5445 if (vallen == 1 && *val == '%')
5446 *argt |= DFLALL;
5447 else if (val != NULL)
5448 {
5449 p = val;
5450 if (*def >= 0)
5451 {
5452 two_count:
5453 EMSG(_("E177: Count cannot be specified twice"));
5454 return FAIL;
5455 }
5456
5457 *def = getdigits(&p);
5458 *argt |= (ZEROR | NOTADR);
5459
5460 if (p != val + vallen || vallen == 0)
5461 {
5462 invalid_count:
5463 EMSG(_("E178: Invalid default value for count"));
5464 return FAIL;
5465 }
5466 }
5467 }
5468 else if (STRNICMP(attr, "count", attrlen) == 0)
5469 {
5470 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5471
5472 if (val != NULL)
5473 {
5474 p = val;
5475 if (*def >= 0)
5476 goto two_count;
5477
5478 *def = getdigits(&p);
5479
5480 if (p != val + vallen)
5481 goto invalid_count;
5482 }
5483
5484 if (*def < 0)
5485 *def = 0;
5486 }
5487 else if (STRNICMP(attr, "complete", attrlen) == 0)
5488 {
5489 if (val == NULL)
5490 {
5491 EMSG(_("E179: argument required for -complete"));
5492 return FAIL;
5493 }
5494
5495 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5496 == FAIL)
5497 return FAIL;
5498 }
5499 else
5500 {
5501 char_u ch = attr[len];
5502 attr[len] = '\0';
5503 EMSG2(_("E181: Invalid attribute: %s"), attr);
5504 attr[len] = ch;
5505 return FAIL;
5506 }
5507 }
5508
5509 return OK;
5510 }
5511
5512 /*
5513 * ":command ..."
5514 */
5515 static void
5516 ex_command(eap)
5517 exarg_T *eap;
5518 {
5519 char_u *name;
5520 char_u *end;
5521 char_u *p;
5522 long argt = 0;
5523 long def = -1;
5524 int flags = 0;
5525 int compl = EXPAND_NOTHING;
5526 char_u *compl_arg = NULL;
5527 int has_attr = (eap->arg[0] == '-');
5528
5529 p = eap->arg;
5530
5531 /* Check for attributes */
5532 while (*p == '-')
5533 {
5534 ++p;
5535 end = skiptowhite(p);
5536 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5537 == FAIL)
5538 return;
5539 p = skipwhite(end);
5540 }
5541
5542 /* Get the name (if any) and skip to the following argument */
5543 name = p;
5544 if (ASCII_ISALPHA(*p))
5545 while (ASCII_ISALNUM(*p))
5546 ++p;
5547 if (!ends_excmd(*p) && !vim_iswhite(*p))
5548 {
5549 EMSG(_("E182: Invalid command name"));
5550 return;
5551 }
5552 end = p;
5553
5554 /* If there is nothing after the name, and no attributes were specified,
5555 * we are listing commands
5556 */
5557 p = skipwhite(end);
5558 if (!has_attr && ends_excmd(*p))
5559 {
5560 uc_list(name, end - name);
5561 }
5562 else if (!ASCII_ISUPPER(*name))
5563 {
5564 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5565 return;
5566 }
5567 else
5568 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5569 eap->forceit);
5570 }
5571
5572 /*
5573 * ":comclear"
5574 * Clear all user commands, global and for current buffer.
5575 */
5576 /*ARGSUSED*/
5577 void
5578 ex_comclear(eap)
5579 exarg_T *eap;
5580 {
5581 uc_clear(&ucmds);
5582 uc_clear(&curbuf->b_ucmds);
5583 }
5584
5585 /*
5586 * Clear all user commands for "gap".
5587 */
5588 void
5589 uc_clear(gap)
5590 garray_T *gap;
5591 {
5592 int i;
5593 ucmd_T *cmd;
5594
5595 for (i = 0; i < gap->ga_len; ++i)
5596 {
5597 cmd = USER_CMD_GA(gap, i);
5598 vim_free(cmd->uc_name);
5599 vim_free(cmd->uc_rep);
5600 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5601 vim_free(cmd->uc_compl_arg);
5602 # endif
5603 }
5604 ga_clear(gap);
5605 }
5606
5607 static void
5608 ex_delcommand(eap)
5609 exarg_T *eap;
5610 {
5611 int i = 0;
5612 ucmd_T *cmd = NULL;
5613 int cmp = -1;
5614 garray_T *gap;
5615
5616 gap = &curbuf->b_ucmds;
5617 for (;;)
5618 {
5619 for (i = 0; i < gap->ga_len; ++i)
5620 {
5621 cmd = USER_CMD_GA(gap, i);
5622 cmp = STRCMP(eap->arg, cmd->uc_name);
5623 if (cmp <= 0)
5624 break;
5625 }
5626 if (gap == &ucmds || cmp == 0)
5627 break;
5628 gap = &ucmds;
5629 }
5630
5631 if (cmp != 0)
5632 {
5633 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5634 return;
5635 }
5636
5637 vim_free(cmd->uc_name);
5638 vim_free(cmd->uc_rep);
5639 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5640 vim_free(cmd->uc_compl_arg);
5641 # endif
5642
5643 --gap->ga_len;
5644
5645 if (i < gap->ga_len)
5646 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5647 }
5648
5649 /*
5650 * split and quote args for <f-args>
5651 */
5652 static char_u *
5653 uc_split_args(arg, lenp)
5654 char_u *arg;
5655 size_t *lenp;
5656 {
5657 char_u *buf;
5658 char_u *p;
5659 char_u *q;
5660 int len;
5661
5662 /* Precalculate length */
5663 p = arg;
5664 len = 2; /* Initial and final quotes */
5665
5666 while (*p)
5667 {
5668 if (p[0] == '\\' && p[1] == '\\')
5669 {
5670 len += 2;
5671 p += 2;
5672 }
5673 else if (p[0] == '\\' && vim_iswhite(p[1]))
5674 {
5675 len += 1;
5676 p += 2;
5677 }
5678 else if (*p == '\\' || *p == '"')
5679 {
5680 len += 2;
5681 p += 1;
5682 }
5683 else if (vim_iswhite(*p))
5684 {
5685 p = skipwhite(p);
5686 if (*p == NUL)
5687 break;
5688 len += 3; /* "," */
5689 }
5690 else
5691 {
5692 ++len;
5693 ++p;
5694 }
5695 }
5696
5697 buf = alloc(len + 1);
5698 if (buf == NULL)
5699 {
5700 *lenp = 0;
5701 return buf;
5702 }
5703
5704 p = arg;
5705 q = buf;
5706 *q++ = '"';
5707 while (*p)
5708 {
5709 if (p[0] == '\\' && p[1] == '\\')
5710 {
5711 *q++ = '\\';
5712 *q++ = '\\';
5713 p += 2;
5714 }
5715 else if (p[0] == '\\' && vim_iswhite(p[1]))
5716 {
5717 *q++ = p[1];
5718 p += 2;
5719 }
5720 else if (*p == '\\' || *p == '"')
5721 {
5722 *q++ = '\\';
5723 *q++ = *p++;
5724 }
5725 else if (vim_iswhite(*p))
5726 {
5727 p = skipwhite(p);
5728 if (*p == NUL)
5729 break;
5730 *q++ = '"';
5731 *q++ = ',';
5732 *q++ = '"';
5733 }
5734 else
5735 {
5736 *q++ = *p++;
5737 }
5738 }
5739 *q++ = '"';
5740 *q = 0;
5741
5742 *lenp = len;
5743 return buf;
5744 }
5745
5746 /*
5747 * Check for a <> code in a user command.
5748 * "code" points to the '<'. "len" the length of the <> (inclusive).
5749 * "buf" is where the result is to be added.
5750 * "split_buf" points to a buffer used for splitting, caller should free it.
5751 * "split_len" is the length of what "split_buf" contains.
5752 * Returns the length of the replacement, which has been added to "buf".
5753 * Returns -1 if there was no match, and only the "<" has been copied.
5754 */
5755 static size_t
5756 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5757 char_u *code;
5758 size_t len;
5759 char_u *buf;
5760 ucmd_T *cmd; /* the user command we're expanding */
5761 exarg_T *eap; /* ex arguments */
5762 char_u **split_buf;
5763 size_t *split_len;
5764 {
5765 size_t result = 0;
5766 char_u *p = code + 1;
5767 size_t l = len - 2;
5768 int quote = 0;
5769 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5770 ct_LT, ct_NONE } type = ct_NONE;
5771
5772 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5773 {
5774 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5775 p += 2;
5776 l -= 2;
5777 }
5778
5779 ++l;
5780 if (l <= 1)
5781 type = ct_NONE;
5782 else if (STRNICMP(p, "args>", l) == 0)
5783 type = ct_ARGS;
5784 else if (STRNICMP(p, "bang>", l) == 0)
5785 type = ct_BANG;
5786 else if (STRNICMP(p, "count>", l) == 0)
5787 type = ct_COUNT;
5788 else if (STRNICMP(p, "line1>", l) == 0)
5789 type = ct_LINE1;
5790 else if (STRNICMP(p, "line2>", l) == 0)
5791 type = ct_LINE2;
5792 else if (STRNICMP(p, "lt>", l) == 0)
5793 type = ct_LT;
5794 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5795 type = ct_REGISTER;
5796
5797 switch (type)
5798 {
5799 case ct_ARGS:
5800 /* Simple case first */
5801 if (*eap->arg == NUL)
5802 {
5803 if (quote == 1)
5804 {
5805 result = 2;
5806 if (buf != NULL)
5807 STRCPY(buf, "''");
5808 }
5809 else
5810 result = 0;
5811 break;
5812 }
5813
5814 /* When specified there is a single argument don't split it.
5815 * Works for ":Cmd %" when % is "a b c". */
5816 if ((eap->argt & NOSPC) && quote == 2)
5817 quote = 1;
5818
5819 switch (quote)
5820 {
5821 case 0: /* No quoting, no splitting */
5822 result = STRLEN(eap->arg);
5823 if (buf != NULL)
5824 STRCPY(buf, eap->arg);
5825 break;
5826 case 1: /* Quote, but don't split */
5827 result = STRLEN(eap->arg) + 2;
5828 for (p = eap->arg; *p; ++p)
5829 {
5830 if (*p == '\\' || *p == '"')
5831 ++result;
5832 }
5833
5834 if (buf != NULL)
5835 {
5836 *buf++ = '"';
5837 for (p = eap->arg; *p; ++p)
5838 {
5839 if (*p == '\\' || *p == '"')
5840 *buf++ = '\\';
5841 *buf++ = *p;
5842 }
5843 *buf = '"';
5844 }
5845
5846 break;
5847 case 2: /* Quote and split (<f-args>) */
5848 /* This is hard, so only do it once, and cache the result */
5849 if (*split_buf == NULL)
5850 *split_buf = uc_split_args(eap->arg, split_len);
5851
5852 result = *split_len;
5853 if (buf != NULL && result != 0)
5854 STRCPY(buf, *split_buf);
5855
5856 break;
5857 }
5858 break;
5859
5860 case ct_BANG:
5861 result = eap->forceit ? 1 : 0;
5862 if (quote)
5863 result += 2;
5864 if (buf != NULL)
5865 {
5866 if (quote)
5867 *buf++ = '"';
5868 if (eap->forceit)
5869 *buf++ = '!';
5870 if (quote)
5871 *buf = '"';
5872 }
5873 break;
5874
5875 case ct_LINE1:
5876 case ct_LINE2:
5877 case ct_COUNT:
5878 {
5879 char num_buf[20];
5880 long num = (type == ct_LINE1) ? eap->line1 :
5881 (type == ct_LINE2) ? eap->line2 :
5882 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5883 size_t num_len;
5884
5885 sprintf(num_buf, "%ld", num);
5886 num_len = STRLEN(num_buf);
5887 result = num_len;
5888
5889 if (quote)
5890 result += 2;
5891
5892 if (buf != NULL)
5893 {
5894 if (quote)
5895 *buf++ = '"';
5896 STRCPY(buf, num_buf);
5897 buf += num_len;
5898 if (quote)
5899 *buf = '"';
5900 }
5901
5902 break;
5903 }
5904
5905 case ct_REGISTER:
5906 result = eap->regname ? 1 : 0;
5907 if (quote)
5908 result += 2;
5909 if (buf != NULL)
5910 {
5911 if (quote)
5912 *buf++ = '\'';
5913 if (eap->regname)
5914 *buf++ = eap->regname;
5915 if (quote)
5916 *buf = '\'';
5917 }
5918 break;
5919
5920 case ct_LT:
5921 result = 1;
5922 if (buf != NULL)
5923 *buf = '<';
5924 break;
5925
5926 default:
5927 /* Not recognized: just copy the '<' and return -1. */
5928 result = (size_t)-1;
5929 if (buf != NULL)
5930 *buf = '<';
5931 break;
5932 }
5933
5934 return result;
5935 }
5936
5937 static void
5938 do_ucmd(eap)
5939 exarg_T *eap;
5940 {
5941 char_u *buf;
5942 char_u *p;
5943 char_u *q;
5944
5945 char_u *start;
5946 char_u *end = NULL;
5947 char_u *ksp;
5948 size_t len, totlen;
5949
5950 size_t split_len = 0;
5951 char_u *split_buf = NULL;
5952 ucmd_T *cmd;
5953 #ifdef FEAT_EVAL
5954 scid_T save_current_SID = current_SID;
5955 #endif
5956
5957 if (eap->cmdidx == CMD_USER)
5958 cmd = USER_CMD(eap->useridx);
5959 else
5960 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5961
5962 /*
5963 * Replace <> in the command by the arguments.
5964 * First round: "buf" is NULL, compute length, allocate "buf".
5965 * Second round: copy result into "buf".
5966 */
5967 buf = NULL;
5968 for (;;)
5969 {
5970 p = cmd->uc_rep; /* source */
5971 q = buf; /* destination */
5972 totlen = 0;
5973
5974 for (;;)
5975 {
5976 start = vim_strchr(p, '<');
5977 if (start != NULL)
5978 end = vim_strchr(start + 1, '>');
5979 if (buf != NULL)
5980 {
5981 ksp = vim_strchr(p, K_SPECIAL);
5982 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5983 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5984 # ifdef FEAT_GUI
5985 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5986 # endif
5987 ))
5988 {
5989 /* K_SPECIAL han been put in the buffer as K_SPECIAL
5990 * KS_SPECIAL KE_FILLER, like for mappings, but
5991 * do_cmdline() doesn't handle that, so convert it back.
5992 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
5993 len = ksp - p;
5994 if (len > 0)
5995 {
5996 mch_memmove(q, p, len);
5997 q += len;
5998 }
5999 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6000 p = ksp + 3;
6001 continue;
6002 }
6003 }
6004
6005 /* break if there no <item> is found */
6006 if (start == NULL || end == NULL)
6007 break;
6008
6009 /* Include the '>' */
6010 ++end;
6011
6012 /* Take everything up to the '<' */
6013 len = start - p;
6014 if (buf == NULL)
6015 totlen += len;
6016 else
6017 {
6018 mch_memmove(q, p, len);
6019 q += len;
6020 }
6021
6022 len = uc_check_code(start, end - start, q, cmd, eap,
6023 &split_buf, &split_len);
6024 if (len == (size_t)-1)
6025 {
6026 /* no match, continue after '<' */
6027 p = start + 1;
6028 len = 1;
6029 }
6030 else
6031 p = end;
6032 if (buf == NULL)
6033 totlen += len;
6034 else
6035 q += len;
6036 }
6037 if (buf != NULL) /* second time here, finished */
6038 {
6039 STRCPY(q, p);
6040 break;
6041 }
6042
6043 totlen += STRLEN(p); /* Add on the trailing characters */
6044 buf = alloc((unsigned)(totlen + 1));
6045 if (buf == NULL)
6046 {
6047 vim_free(split_buf);
6048 return;
6049 }
6050 }
6051
6052 #ifdef FEAT_EVAL
6053 current_SID = cmd->uc_scriptID;
6054 #endif
6055 (void)do_cmdline(buf, eap->getline, eap->cookie,
6056 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6057 #ifdef FEAT_EVAL
6058 current_SID = save_current_SID;
6059 #endif
6060 vim_free(buf);
6061 vim_free(split_buf);
6062 }
6063
6064 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6065 static char_u *
6066 get_user_command_name(idx)
6067 int idx;
6068 {
6069 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6070 }
6071
6072 /*
6073 * Function given to ExpandGeneric() to obtain the list of user command names.
6074 */
6075 /*ARGSUSED*/
6076 char_u *
6077 get_user_commands(xp, idx)
6078 expand_T *xp;
6079 int idx;
6080 {
6081 if (idx < curbuf->b_ucmds.ga_len)
6082 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6083 idx -= curbuf->b_ucmds.ga_len;
6084 if (idx < ucmds.ga_len)
6085 return USER_CMD(idx)->uc_name;
6086 return NULL;
6087 }
6088
6089 /*
6090 * Function given to ExpandGeneric() to obtain the list of user command
6091 * attributes.
6092 */
6093 /*ARGSUSED*/
6094 char_u *
6095 get_user_cmd_flags(xp, idx)
6096 expand_T *xp;
6097 int idx;
6098 {
6099 static char *user_cmd_flags[] =
6100 {"bang", "bar", "buffer", "complete", "count",
6101 "nargs", "range", "register"};
6102
6103 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6104 return NULL;
6105 return (char_u *)user_cmd_flags[idx];
6106 }
6107
6108 /*
6109 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6110 */
6111 /*ARGSUSED*/
6112 char_u *
6113 get_user_cmd_nargs(xp, idx)
6114 expand_T *xp;
6115 int idx;
6116 {
6117 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6118
6119 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6120 return NULL;
6121 return (char_u *)user_cmd_nargs[idx];
6122 }
6123
6124 /*
6125 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6126 */
6127 /*ARGSUSED*/
6128 char_u *
6129 get_user_cmd_complete(xp, idx)
6130 expand_T *xp;
6131 int idx;
6132 {
6133 return (char_u *)command_complete[idx].name;
6134 }
6135 # endif /* FEAT_CMDL_COMPL */
6136
6137 #endif /* FEAT_USR_CMDS */
6138
6139 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6140 /*
6141 * Parse a completion argument "value[vallen]".
6142 * The detected completion goes in "*complp", argument type in "*argt".
6143 * When there is an argument, for function and user defined completion, it's
6144 * copied to allocated memory and stored in "*compl_arg".
6145 * Returns FAIL if something is wrong.
6146 */
6147 int
6148 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6149 char_u *value;
6150 int vallen;
6151 int *complp;
6152 long *argt;
6153 char_u **compl_arg;
6154 {
6155 char_u *arg = NULL;
6156 size_t arglen = 0;
6157 int i;
6158 int valend = vallen;
6159
6160 /* Look for any argument part - which is the part after any ',' */
6161 for (i = 0; i < vallen; ++i)
6162 {
6163 if (value[i] == ',')
6164 {
6165 arg = &value[i + 1];
6166 arglen = vallen - i - 1;
6167 valend = i;
6168 break;
6169 }
6170 }
6171
6172 for (i = 0; command_complete[i].expand != 0; ++i)
6173 {
6174 if ((int)STRLEN(command_complete[i].name) == valend
6175 && STRNCMP(value, command_complete[i].name, valend) == 0)
6176 {
6177 *complp = command_complete[i].expand;
6178 if (command_complete[i].expand == EXPAND_BUFFERS)
6179 *argt |= BUFNAME;
6180 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6181 || command_complete[i].expand == EXPAND_FILES)
6182 *argt |= XFILE;
6183 break;
6184 }
6185 }
6186
6187 if (command_complete[i].expand == 0)
6188 {
6189 EMSG2(_("E180: Invalid complete value: %s"), value);
6190 return FAIL;
6191 }
6192
6193 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6194 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6195 && arg != NULL)
6196 # else
6197 if (arg != NULL)
6198 # endif
6199 {
6200 EMSG(_("E468: Completion argument only allowed for custom completion"));
6201 return FAIL;
6202 }
6203
6204 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6205 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6206 && arg == NULL)
6207 {
6208 EMSG(_("E467: Custom completion requires a function argument"));
6209 return FAIL;
6210 }
6211
6212 if (arg != NULL)
6213 *compl_arg = vim_strnsave(arg, (int)arglen);
6214 # endif
6215 return OK;
6216 }
6217 #endif
6218
6219 static void
6220 ex_colorscheme(eap)
6221 exarg_T *eap;
6222 {
6223 if (load_colors(eap->arg) == FAIL)
6224 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6225 }
6226
6227 static void
6228 ex_highlight(eap)
6229 exarg_T *eap;
6230 {
6231 if (*eap->arg == NUL && eap->cmd[2] == '!')
6232 MSG(_("Greetings, Vim user!"));
6233 do_highlight(eap->arg, eap->forceit, FALSE);
6234 }
6235
6236
6237 /*
6238 * Call this function if we thought we were going to exit, but we won't
6239 * (because of an error). May need to restore the terminal mode.
6240 */
6241 void
6242 not_exiting()
6243 {
6244 exiting = FALSE;
6245 settmode(TMODE_RAW);
6246 }
6247
6248 /*
6249 * ":quit": quit current window, quit Vim if closed the last window.
6250 */
6251 static void
6252 ex_quit(eap)
6253 exarg_T *eap;
6254 {
6255 #ifdef FEAT_CMDWIN
6256 if (cmdwin_type != 0)
6257 {
6258 cmdwin_result = Ctrl_C;
6259 return;
6260 }
6261 #endif
6262 /* Don't quit while editing the command line. */
6263 if (text_locked())
6264 {
6265 text_locked_msg();
6266 return;
6267 }
6268 #ifdef FEAT_AUTOCMD
6269 if (curbuf_locked())
6270 return;
6271 #endif
6272
6273 #ifdef FEAT_NETBEANS_INTG
6274 netbeansForcedQuit = eap->forceit;
6275 #endif
6276
6277 /*
6278 * If there are more files or windows we won't exit.
6279 */
6280 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6281 exiting = TRUE;
6282 if ((!P_HID(curbuf)
6283 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6284 || check_more(TRUE, eap->forceit) == FAIL
6285 || (only_one_window() && check_changed_any(eap->forceit)))
6286 {
6287 not_exiting();
6288 }
6289 else
6290 {
6291 #ifdef FEAT_WINDOWS
6292 if (only_one_window()) /* quit last window */
6293 #endif
6294 getout(0);
6295 #ifdef FEAT_WINDOWS
6296 # ifdef FEAT_GUI
6297 need_mouse_correct = TRUE;
6298 # endif
6299 /* close window; may free buffer */
6300 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6301 #endif
6302 }
6303 }
6304
6305 /*
6306 * ":cquit".
6307 */
6308 /*ARGSUSED*/
6309 static void
6310 ex_cquit(eap)
6311 exarg_T *eap;
6312 {
6313 getout(1); /* this does not always pass on the exit code to the Manx
6314 compiler. why? */
6315 }
6316
6317 /*
6318 * ":qall": try to quit all windows
6319 */
6320 static void
6321 ex_quit_all(eap)
6322 exarg_T *eap;
6323 {
6324 # ifdef FEAT_CMDWIN
6325 if (cmdwin_type != 0)
6326 {
6327 if (eap->forceit)
6328 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6329 else
6330 cmdwin_result = K_XF2;
6331 return;
6332 }
6333 # endif
6334
6335 /* Don't quit while editing the command line. */
6336 if (text_locked())
6337 {
6338 text_locked_msg();
6339 return;
6340 }
6341 #ifdef FEAT_AUTOCMD
6342 if (curbuf_locked())
6343 return;
6344 #endif
6345
6346 exiting = TRUE;
6347 if (eap->forceit || !check_changed_any(FALSE))
6348 getout(0);
6349 not_exiting();
6350 }
6351
6352 #if defined(FEAT_WINDOWS) || defined(PROTO)
6353 /*
6354 * ":close": close current window, unless it is the last one
6355 */
6356 static void
6357 ex_close(eap)
6358 exarg_T *eap;
6359 {
6360 # ifdef FEAT_CMDWIN
6361 if (cmdwin_type != 0)
6362 cmdwin_result = K_IGNORE;
6363 else
6364 # endif
6365 if (!text_locked()
6366 #ifdef FEAT_AUTOCMD
6367 && !curbuf_locked()
6368 #endif
6369 )
6370 ex_win_close(eap->forceit, curwin, NULL);
6371 }
6372
6373 # ifdef FEAT_QUICKFIX
6374 /*
6375 * ":pclose": Close any preview window.
6376 */
6377 static void
6378 ex_pclose(eap)
6379 exarg_T *eap;
6380 {
6381 win_T *win;
6382
6383 for (win = firstwin; win != NULL; win = win->w_next)
6384 if (win->w_p_pvw)
6385 {
6386 ex_win_close(eap->forceit, win, NULL);
6387 break;
6388 }
6389 }
6390 # endif
6391
6392 /*
6393 * Close window "win" and take care of handling closing the last window for a
6394 * modified buffer.
6395 */
6396 static void
6397 ex_win_close(forceit, win, tp)
6398 int forceit;
6399 win_T *win;
6400 tabpage_T *tp; /* NULL or the tab page "win" is in */
6401 {
6402 int need_hide;
6403 buf_T *buf = win->w_buffer;
6404
6405 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6406 if (need_hide && !P_HID(buf) && !forceit)
6407 {
6408 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6409 if ((p_confirm || cmdmod.confirm) && p_write)
6410 {
6411 dialog_changed(buf, FALSE);
6412 if (buf_valid(buf) && bufIsChanged(buf))
6413 return;
6414 need_hide = FALSE;
6415 }
6416 else
6417 # endif
6418 {
6419 EMSG(_(e_nowrtmsg));
6420 return;
6421 }
6422 }
6423
6424 # ifdef FEAT_GUI
6425 need_mouse_correct = TRUE;
6426 # endif
6427
6428 /* free buffer when not hiding it or when it's a scratch buffer */
6429 if (tp == NULL)
6430 win_close(win, !need_hide && !P_HID(buf));
6431 else
6432 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6433 }
6434
6435 /*
6436 * ":tabclose": close current tab page, unless it is the last one.
6437 * ":tabclose N": close tab page N.
6438 */
6439 static void
6440 ex_tabclose(eap)
6441 exarg_T *eap;
6442 {
6443 tabpage_T *tp;
6444
6445 # ifdef FEAT_CMDWIN
6446 if (cmdwin_type != 0)
6447 cmdwin_result = K_IGNORE;
6448 else
6449 # endif
6450 if (first_tabpage->tp_next == NULL)
6451 EMSG(_("E784: Cannot close last tab page"));
6452 else
6453 {
6454 if (eap->addr_count > 0)
6455 {
6456 tp = find_tabpage((int)eap->line2);
6457 if (tp == NULL)
6458 {
6459 beep_flush();
6460 return;
6461 }
6462 if (tp != curtab)
6463 {
6464 tabpage_close_other(tp, eap->forceit);
6465 return;
6466 }
6467 }
6468 if (!text_locked()
6469 #ifdef FEAT_AUTOCMD
6470 && !curbuf_locked()
6471 #endif
6472 )
6473 tabpage_close(eap->forceit);
6474 }
6475 }
6476
6477 /*
6478 * ":tabonly": close all tab pages except the current one
6479 */
6480 static void
6481 ex_tabonly(eap)
6482 exarg_T *eap;
6483 {
6484 tabpage_T *tp;
6485 int done;
6486
6487 # ifdef FEAT_CMDWIN
6488 if (cmdwin_type != 0)
6489 cmdwin_result = K_IGNORE;
6490 else
6491 # endif
6492 if (first_tabpage->tp_next == NULL)
6493 MSG(_("Already only one tab page"));
6494 else
6495 {
6496 /* Repeat this up to a 1000 times, because autocommands may mess
6497 * up the lists. */
6498 for (done = 0; done < 1000; ++done)
6499 {
6500 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6501 if (tp->tp_topframe != topframe)
6502 {
6503 tabpage_close_other(tp, eap->forceit);
6504 /* if we failed to close it quit */
6505 if (valid_tabpage(tp))
6506 done = 1000;
6507 /* start over, "tp" is now invalid */
6508 break;
6509 }
6510 if (first_tabpage->tp_next == NULL)
6511 break;
6512 }
6513 }
6514 }
6515
6516 /*
6517 * Close the current tab page.
6518 */
6519 void
6520 tabpage_close(forceit)
6521 int forceit;
6522 {
6523 /* First close all the windows but the current one. If that worked then
6524 * close the last window in this tab, that will close it. */
6525 if (lastwin != firstwin)
6526 close_others(TRUE, forceit);
6527 if (lastwin == firstwin)
6528 ex_win_close(forceit, curwin, NULL);
6529 # ifdef FEAT_GUI
6530 need_mouse_correct = TRUE;
6531 # endif
6532 }
6533
6534 /*
6535 * Close tab page "tp", which is not the current tab page.
6536 * Note that autocommands may make "tp" invalid.
6537 * Also takes care of the tab pages line disappearing when closing the
6538 * last-but-one tab page.
6539 */
6540 void
6541 tabpage_close_other(tp, forceit)
6542 tabpage_T *tp;
6543 int forceit;
6544 {
6545 int done = 0;
6546 win_T *wp;
6547 int h = tabline_height();
6548
6549 /* Limit to 1000 windows, autocommands may add a window while we close
6550 * one. OK, so I'm paranoid... */
6551 while (++done < 1000)
6552 {
6553 wp = tp->tp_firstwin;
6554 ex_win_close(forceit, wp, tp);
6555
6556 /* Autocommands may delete the tab page under our fingers and we may
6557 * fail to close a window with a modified buffer. */
6558 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6559 break;
6560 }
6561
6562 redraw_tabline = TRUE;
6563 if (h != tabline_height())
6564 shell_new_rows();
6565 }
6566
6567 /*
6568 * ":only".
6569 */
6570 static void
6571 ex_only(eap)
6572 exarg_T *eap;
6573 {
6574 # ifdef FEAT_GUI
6575 need_mouse_correct = TRUE;
6576 # endif
6577 close_others(TRUE, eap->forceit);
6578 }
6579
6580 /*
6581 * ":all" and ":sall".
6582 * Also used for ":tab drop file ..." after setting the argument list.
6583 */
6584 void
6585 ex_all(eap)
6586 exarg_T *eap;
6587 {
6588 if (eap->addr_count == 0)
6589 eap->line2 = 9999;
6590 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6591 }
6592 #endif /* FEAT_WINDOWS */
6593
6594 static void
6595 ex_hide(eap)
6596 exarg_T *eap;
6597 {
6598 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6599 eap->errmsg = e_invarg;
6600 else
6601 {
6602 /* ":hide" or ":hide | cmd": hide current window */
6603 eap->nextcmd = check_nextcmd(eap->arg);
6604 #ifdef FEAT_WINDOWS
6605 if (!eap->skip)
6606 {
6607 # ifdef FEAT_GUI
6608 need_mouse_correct = TRUE;
6609 # endif
6610 win_close(curwin, FALSE); /* don't free buffer */
6611 }
6612 #endif
6613 }
6614 }
6615
6616 /*
6617 * ":stop" and ":suspend": Suspend Vim.
6618 */
6619 static void
6620 ex_stop(eap)
6621 exarg_T *eap;
6622 {
6623 /*
6624 * Disallow suspending for "rvim".
6625 */
6626 if (!check_restricted()
6627 #ifdef WIN3264
6628 /*
6629 * Check if external commands are allowed now.
6630 */
6631 && can_end_termcap_mode(TRUE)
6632 #endif
6633 )
6634 {
6635 if (!eap->forceit)
6636 autowrite_all();
6637 windgoto((int)Rows - 1, 0);
6638 out_char('\n');
6639 out_flush();
6640 stoptermcap();
6641 out_flush(); /* needed for SUN to restore xterm buffer */
6642 #ifdef FEAT_TITLE
6643 mch_restore_title(3); /* restore window titles */
6644 #endif
6645 ui_suspend(); /* call machine specific function */
6646 #ifdef FEAT_TITLE
6647 maketitle();
6648 resettitle(); /* force updating the title */
6649 #endif
6650 starttermcap();
6651 scroll_start(); /* scroll screen before redrawing */
6652 redraw_later_clear();
6653 shell_resized(); /* may have resized window */
6654 }
6655 }
6656
6657 /*
6658 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6659 */
6660 static void
6661 ex_exit(eap)
6662 exarg_T *eap;
6663 {
6664 #ifdef FEAT_CMDWIN
6665 if (cmdwin_type != 0)
6666 {
6667 cmdwin_result = Ctrl_C;
6668 return;
6669 }
6670 #endif
6671 /* Don't quit while editing the command line. */
6672 if (text_locked())
6673 {
6674 text_locked_msg();
6675 return;
6676 }
6677 #ifdef FEAT_AUTOCMD
6678 if (curbuf_locked())
6679 return;
6680 #endif
6681
6682 /*
6683 * if more files or windows we won't exit
6684 */
6685 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6686 exiting = TRUE;
6687 if ( ((eap->cmdidx == CMD_wq
6688 || curbufIsChanged())
6689 && do_write(eap) == FAIL)
6690 || check_more(TRUE, eap->forceit) == FAIL
6691 || (only_one_window() && check_changed_any(eap->forceit)))
6692 {
6693 not_exiting();
6694 }
6695 else
6696 {
6697 #ifdef FEAT_WINDOWS
6698 if (only_one_window()) /* quit last window, exit Vim */
6699 #endif
6700 getout(0);
6701 #ifdef FEAT_WINDOWS
6702 # ifdef FEAT_GUI
6703 need_mouse_correct = TRUE;
6704 # endif
6705 /* quit current window, may free buffer */
6706 win_close(curwin, !P_HID(curwin->w_buffer));
6707 #endif
6708 }
6709 }
6710
6711 /*
6712 * ":print", ":list", ":number".
6713 */
6714 static void
6715 ex_print(eap)
6716 exarg_T *eap;
6717 {
6718 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6719 EMSG(_(e_emptybuf));
6720 else
6721 {
6722 for ( ;!got_int; ui_breakcheck())
6723 {
6724 print_line(eap->line1,
6725 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6726 || (eap->flags & EXFLAG_NR)),
6727 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6728 if (++eap->line1 > eap->line2)
6729 break;
6730 out_flush(); /* show one line at a time */
6731 }
6732 setpcmark();
6733 /* put cursor at last line */
6734 curwin->w_cursor.lnum = eap->line2;
6735 beginline(BL_SOL | BL_FIX);
6736 }
6737
6738 ex_no_reprint = TRUE;
6739 }
6740
6741 #ifdef FEAT_BYTEOFF
6742 static void
6743 ex_goto(eap)
6744 exarg_T *eap;
6745 {
6746 goto_byte(eap->line2);
6747 }
6748 #endif
6749
6750 /*
6751 * ":shell".
6752 */
6753 /*ARGSUSED*/
6754 static void
6755 ex_shell(eap)
6756 exarg_T *eap;
6757 {
6758 do_shell(NULL, 0);
6759 }
6760
6761 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6762 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6763 || defined(FEAT_GUI_MSWIN) \
6764 || defined(FEAT_GUI_MAC) \
6765 || defined(PROTO)
6766
6767 /*
6768 * Handle a file drop. The code is here because a drop is *nearly* like an
6769 * :args command, but not quite (we have a list of exact filenames, so we
6770 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6771 * code is very similar to :args and hence needs access to a lot of the static
6772 * functions in this file.
6773 *
6774 * The list should be allocated using alloc(), as should each item in the
6775 * list. This function takes over responsibility for freeing the list.
6776 *
6777 * XXX The list is made into the argument list. This is freed using
6778 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6779 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6780 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6781 * file functionality is (currently) not in EMX this is not presently a
6782 * problem.
6783 */
6784 void
6785 handle_drop(filec, filev, split)
6786 int filec; /* the number of files dropped */
6787 char_u **filev; /* the list of files dropped */
6788 int split; /* force splitting the window */
6789 {
6790 exarg_T ea;
6791 int save_msg_scroll = msg_scroll;
6792
6793 /* Postpone this while editing the command line. */
6794 if (text_locked())
6795 return;
6796 #ifdef FEAT_AUTOCMD
6797 if (curbuf_locked())
6798 return;
6799 #endif
6800 /* When the screen is being updated we should not change buffers and
6801 * windows structures, it may cause freed memory to be used. */
6802 if (updating_screen)
6803 return;
6804
6805 /* Check whether the current buffer is changed. If so, we will need
6806 * to split the current window or data could be lost.
6807 * We don't need to check if the 'hidden' option is set, as in this
6808 * case the buffer won't be lost.
6809 */
6810 if (!P_HID(curbuf) && !split)
6811 {
6812 ++emsg_off;
6813 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6814 --emsg_off;
6815 }
6816 if (split)
6817 {
6818 # ifdef FEAT_WINDOWS
6819 if (win_split(0, 0) == FAIL)
6820 return;
6821 # ifdef FEAT_SCROLLBIND
6822 curwin->w_p_scb = FALSE;
6823 # endif
6824
6825 /* When splitting the window, create a new alist. Otherwise the
6826 * existing one is overwritten. */
6827 alist_unlink(curwin->w_alist);
6828 alist_new();
6829 # else
6830 return; /* can't split, always fail */
6831 # endif
6832 }
6833
6834 /*
6835 * Set up the new argument list.
6836 */
6837 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6838
6839 /*
6840 * Move to the first file.
6841 */
6842 /* Fake up a minimal "next" command for do_argfile() */
6843 vim_memset(&ea, 0, sizeof(ea));
6844 ea.cmd = (char_u *)"next";
6845 do_argfile(&ea, 0);
6846
6847 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6848 * mode that is not needed here. */
6849 need_start_insertmode = FALSE;
6850
6851 /* Restore msg_scroll, otherwise a following command may cause scrolling
6852 * unexpectedly. The screen will be redrawn by the caller, thus
6853 * msg_scroll being set by displaying a message is irrelevant. */
6854 msg_scroll = save_msg_scroll;
6855 }
6856 #endif
6857
6858 /*
6859 * Clear an argument list: free all file names and reset it to zero entries.
6860 */
6861 void
6862 alist_clear(al)
6863 alist_T *al;
6864 {
6865 while (--al->al_ga.ga_len >= 0)
6866 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6867 ga_clear(&al->al_ga);
6868 }
6869
6870 /*
6871 * Init an argument list.
6872 */
6873 void
6874 alist_init(al)
6875 alist_T *al;
6876 {
6877 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6878 }
6879
6880 #if defined(FEAT_WINDOWS) || defined(PROTO)
6881
6882 /*
6883 * Remove a reference from an argument list.
6884 * Ignored when the argument list is the global one.
6885 * If the argument list is no longer used by any window, free it.
6886 */
6887 void
6888 alist_unlink(al)
6889 alist_T *al;
6890 {
6891 if (al != &global_alist && --al->al_refcount <= 0)
6892 {
6893 alist_clear(al);
6894 vim_free(al);
6895 }
6896 }
6897
6898 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6899 /*
6900 * Create a new argument list and use it for the current window.
6901 */
6902 void
6903 alist_new()
6904 {
6905 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6906 if (curwin->w_alist == NULL)
6907 {
6908 curwin->w_alist = &global_alist;
6909 ++global_alist.al_refcount;
6910 }
6911 else
6912 {
6913 curwin->w_alist->al_refcount = 1;
6914 alist_init(curwin->w_alist);
6915 }
6916 }
6917 # endif
6918 #endif
6919
6920 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6921 /*
6922 * Expand the file names in the global argument list.
6923 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6924 * numbers to be re-used.
6925 */
6926 void
6927 alist_expand(fnum_list, fnum_len)
6928 int *fnum_list;
6929 int fnum_len;
6930 {
6931 char_u **old_arg_files;
6932 int old_arg_count;
6933 char_u **new_arg_files;
6934 int new_arg_file_count;
6935 char_u *save_p_su = p_su;
6936 int i;
6937
6938 /* Don't use 'suffixes' here. This should work like the shell did the
6939 * expansion. Also, the vimrc file isn't read yet, thus the user
6940 * can't set the options. */
6941 p_su = empty_option;
6942 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6943 if (old_arg_files != NULL)
6944 {
6945 for (i = 0; i < GARGCOUNT; ++i)
6946 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6947 old_arg_count = GARGCOUNT;
6948 if (expand_wildcards(old_arg_count, old_arg_files,
6949 &new_arg_file_count, &new_arg_files,
6950 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6951 && new_arg_file_count > 0)
6952 {
6953 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6954 TRUE, fnum_list, fnum_len);
6955 FreeWild(old_arg_count, old_arg_files);
6956 }
6957 }
6958 p_su = save_p_su;
6959 }
6960 #endif
6961
6962 /*
6963 * Set the argument list for the current window.
6964 * Takes over the allocated files[] and the allocated fnames in it.
6965 */
6966 void
6967 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6968 alist_T *al;
6969 int count;
6970 char_u **files;
6971 int use_curbuf;
6972 int *fnum_list;
6973 int fnum_len;
6974 {
6975 int i;
6976
6977 alist_clear(al);
6978 if (ga_grow(&al->al_ga, count) == OK)
6979 {
6980 for (i = 0; i < count; ++i)
6981 {
6982 if (got_int)
6983 {
6984 /* When adding many buffers this can take a long time. Allow
6985 * interrupting here. */
6986 while (i < count)
6987 vim_free(files[i++]);
6988 break;
6989 }
6990
6991 /* May set buffer name of a buffer previously used for the
6992 * argument list, so that it's re-used by alist_add. */
6993 if (fnum_list != NULL && i < fnum_len)
6994 buf_set_name(fnum_list[i], files[i]);
6995
6996 alist_add(al, files[i], use_curbuf ? 2 : 1);
6997 ui_breakcheck();
6998 }
6999 vim_free(files);
7000 }
7001 else
7002 FreeWild(count, files);
7003 #ifdef FEAT_WINDOWS
7004 if (al == &global_alist)
7005 #endif
7006 arg_had_last = FALSE;
7007 }
7008
7009 /*
7010 * Add file "fname" to argument list "al".
7011 * "fname" must have been allocated and "al" must have been checked for room.
7012 */
7013 void
7014 alist_add(al, fname, set_fnum)
7015 alist_T *al;
7016 char_u *fname;
7017 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7018 {
7019 if (fname == NULL) /* don't add NULL file names */
7020 return;
7021 #ifdef BACKSLASH_IN_FILENAME
7022 slash_adjust(fname);
7023 #endif
7024 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7025 if (set_fnum > 0)
7026 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7027 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7028 ++al->al_ga.ga_len;
7029 }
7030
7031 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7032 /*
7033 * Adjust slashes in file names. Called after 'shellslash' was set.
7034 */
7035 void
7036 alist_slash_adjust()
7037 {
7038 int i;
7039 # ifdef FEAT_WINDOWS
7040 win_T *wp;
7041 tabpage_T *tp;
7042 # endif
7043
7044 for (i = 0; i < GARGCOUNT; ++i)
7045 if (GARGLIST[i].ae_fname != NULL)
7046 slash_adjust(GARGLIST[i].ae_fname);
7047 # ifdef FEAT_WINDOWS
7048 FOR_ALL_TAB_WINDOWS(tp, wp)
7049 if (wp->w_alist != &global_alist)
7050 for (i = 0; i < WARGCOUNT(wp); ++i)
7051 if (WARGLIST(wp)[i].ae_fname != NULL)
7052 slash_adjust(WARGLIST(wp)[i].ae_fname);
7053 # endif
7054 }
7055 #endif
7056
7057 /*
7058 * ":preserve".
7059 */
7060 /*ARGSUSED*/
7061 static void
7062 ex_preserve(eap)
7063 exarg_T *eap;
7064 {
7065 curbuf->b_flags |= BF_PRESERVED;
7066 ml_preserve(curbuf, TRUE);
7067 }
7068
7069 /*
7070 * ":recover".
7071 */
7072 static void
7073 ex_recover(eap)
7074 exarg_T *eap;
7075 {
7076 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7077 recoverymode = TRUE;
7078 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7079 && (*eap->arg == NUL
7080 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7081 ml_recover();
7082 recoverymode = FALSE;
7083 }
7084
7085 /*
7086 * Command modifier used in a wrong way.
7087 */
7088 static void
7089 ex_wrongmodifier(eap)
7090 exarg_T *eap;
7091 {
7092 eap->errmsg = e_invcmd;
7093 }
7094
7095 #ifdef FEAT_WINDOWS
7096 /*
7097 * :sview [+command] file split window with new file, read-only
7098 * :split [[+command] file] split window with current or new file
7099 * :vsplit [[+command] file] split window vertically with current or new file
7100 * :new [[+command] file] split window with no or new file
7101 * :vnew [[+command] file] split vertically window with no or new file
7102 * :sfind [+command] file split window with file in 'path'
7103 *
7104 * :tabedit open new Tab page with empty window
7105 * :tabedit [+command] file open new Tab page and edit "file"
7106 * :tabnew [[+command] file] just like :tabedit
7107 * :tabfind [+command] file open new Tab page and find "file"
7108 */
7109 void
7110 ex_splitview(eap)
7111 exarg_T *eap;
7112 {
7113 win_T *old_curwin = curwin;
7114 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7115 char_u *fname = NULL;
7116 # endif
7117 # ifdef FEAT_BROWSE
7118 int browse_flag = cmdmod.browse;
7119 # endif
7120
7121 # ifndef FEAT_VERTSPLIT
7122 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7123 {
7124 ex_ni(eap);
7125 return;
7126 }
7127 # endif
7128
7129 # ifdef FEAT_GUI
7130 need_mouse_correct = TRUE;
7131 # endif
7132
7133 # ifdef FEAT_QUICKFIX
7134 /* A ":split" in the quickfix window works like ":new". Don't want two
7135 * quickfix windows. But it's OK when doing ":tab split". */
7136 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7137 {
7138 if (eap->cmdidx == CMD_split)
7139 eap->cmdidx = CMD_new;
7140 # ifdef FEAT_VERTSPLIT
7141 if (eap->cmdidx == CMD_vsplit)
7142 eap->cmdidx = CMD_vnew;
7143 # endif
7144 }
7145 # endif
7146
7147 # ifdef FEAT_SEARCHPATH
7148 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7149 {
7150 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7151 FNAME_MESS, TRUE, curbuf->b_ffname);
7152 if (fname == NULL)
7153 goto theend;
7154 eap->arg = fname;
7155 }
7156 # ifdef FEAT_BROWSE
7157 else
7158 # endif
7159 # endif
7160 # ifdef FEAT_BROWSE
7161 if (cmdmod.browse
7162 # ifdef FEAT_VERTSPLIT
7163 && eap->cmdidx != CMD_vnew
7164 # endif
7165 && eap->cmdidx != CMD_new)
7166 {
7167 # ifdef FEAT_AUTOCMD
7168 if (
7169 # ifdef FEAT_GUI
7170 !gui.in_use &&
7171 # endif
7172 au_has_group((char_u *)"FileExplorer"))
7173 {
7174 /* No browsing supported but we do have the file explorer:
7175 * Edit the directory. */
7176 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7177 eap->arg = (char_u *)".";
7178 }
7179 else
7180 # endif
7181 {
7182 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7183 eap->arg, NULL, NULL, NULL, curbuf);
7184 if (fname == NULL)
7185 goto theend;
7186 eap->arg = fname;
7187 }
7188 }
7189 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7190 # endif
7191
7192 /*
7193 * Either open new tab page or split the window.
7194 */
7195 if (eap->cmdidx == CMD_tabedit
7196 || eap->cmdidx == CMD_tabfind
7197 || eap->cmdidx == CMD_tabnew)
7198 {
7199 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7200 : eap->addr_count == 0 ? 0
7201 : (int)eap->line2 + 1) != FAIL)
7202 {
7203 do_exedit(eap, old_curwin);
7204
7205 /* set the alternate buffer for the window we came from */
7206 if (curwin != old_curwin
7207 && win_valid(old_curwin)
7208 && old_curwin->w_buffer != curbuf
7209 && !cmdmod.keepalt)
7210 old_curwin->w_alt_fnum = curbuf->b_fnum;
7211 }
7212 }
7213 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7214 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7215 {
7216 # ifdef FEAT_SCROLLBIND
7217 /* Reset 'scrollbind' when editing another file, but keep it when
7218 * doing ":split" without arguments. */
7219 if (*eap->arg != NUL
7220 # ifdef FEAT_BROWSE
7221 || cmdmod.browse
7222 # endif
7223 )
7224 curwin->w_p_scb = FALSE;
7225 else
7226 do_check_scrollbind(FALSE);
7227 # endif
7228 do_exedit(eap, old_curwin);
7229 }
7230
7231 # ifdef FEAT_BROWSE
7232 cmdmod.browse = browse_flag;
7233 # endif
7234
7235 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7236 theend:
7237 vim_free(fname);
7238 # endif
7239 }
7240
7241 /*
7242 * Open a new tab page.
7243 */
7244 void
7245 tabpage_new()
7246 {
7247 exarg_T ea;
7248
7249 vim_memset(&ea, 0, sizeof(ea));
7250 ea.cmdidx = CMD_tabnew;
7251 ea.cmd = (char_u *)"tabn";
7252 ea.arg = (char_u *)"";
7253 ex_splitview(&ea);
7254 }
7255
7256 /*
7257 * :tabnext command
7258 */
7259 static void
7260 ex_tabnext(eap)
7261 exarg_T *eap;
7262 {
7263 switch (eap->cmdidx)
7264 {
7265 case CMD_tabfirst:
7266 case CMD_tabrewind:
7267 goto_tabpage(1);
7268 break;
7269 case CMD_tablast:
7270 goto_tabpage(9999);
7271 break;
7272 case CMD_tabprevious:
7273 case CMD_tabNext:
7274 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7275 break;
7276 default: /* CMD_tabnext */
7277 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7278 break;
7279 }
7280 }
7281
7282 /*
7283 * :tabmove command
7284 */
7285 static void
7286 ex_tabmove(eap)
7287 exarg_T *eap;
7288 {
7289 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7290 }
7291
7292 /*
7293 * :tabs command: List tabs and their contents.
7294 */
7295 /*ARGSUSED*/
7296 static void
7297 ex_tabs(eap)
7298 exarg_T *eap;
7299 {
7300 tabpage_T *tp;
7301 win_T *wp;
7302 int tabcount = 1;
7303
7304 msg_start();
7305 msg_scroll = TRUE;
7306 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7307 {
7308 msg_putchar('\n');
7309 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7310 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7311 out_flush(); /* output one line at a time */
7312 ui_breakcheck();
7313
7314 if (tp == curtab)
7315 wp = firstwin;
7316 else
7317 wp = tp->tp_firstwin;
7318 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7319 {
7320 msg_putchar('\n');
7321 msg_putchar(wp == curwin ? '>' : ' ');
7322 msg_putchar(' ');
7323 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7324 msg_putchar(' ');
7325 if (buf_spname(wp->w_buffer) != NULL)
7326 STRCPY(IObuff, buf_spname(wp->w_buffer));
7327 else
7328 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7329 IObuff, IOSIZE, TRUE);
7330 msg_outtrans(IObuff);
7331 out_flush(); /* output one line at a time */
7332 ui_breakcheck();
7333 }
7334 }
7335 }
7336
7337 #endif /* FEAT_WINDOWS */
7338
7339 /*
7340 * ":mode": Set screen mode.
7341 * If no argument given, just get the screen size and redraw.
7342 */
7343 static void
7344 ex_mode(eap)
7345 exarg_T *eap;
7346 {
7347 if (*eap->arg == NUL)
7348 shell_resized();
7349 else
7350 mch_screenmode(eap->arg);
7351 }
7352
7353 #ifdef FEAT_WINDOWS
7354 /*
7355 * ":resize".
7356 * set, increment or decrement current window height
7357 */
7358 static void
7359 ex_resize(eap)
7360 exarg_T *eap;
7361 {
7362 int n;
7363 win_T *wp = curwin;
7364
7365 if (eap->addr_count > 0)
7366 {
7367 n = eap->line2;
7368 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7369 ;
7370 }
7371
7372 #ifdef FEAT_GUI
7373 need_mouse_correct = TRUE;
7374 #endif
7375 n = atol((char *)eap->arg);
7376 #ifdef FEAT_VERTSPLIT
7377 if (cmdmod.split & WSP_VERT)
7378 {
7379 if (*eap->arg == '-' || *eap->arg == '+')
7380 n += W_WIDTH(curwin);
7381 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7382 n = 9999;
7383 win_setwidth_win((int)n, wp);
7384 }
7385 else
7386 #endif
7387 {
7388 if (*eap->arg == '-' || *eap->arg == '+')
7389 n += curwin->w_height;
7390 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7391 n = 9999;
7392 win_setheight_win((int)n, wp);
7393 }
7394 }
7395 #endif
7396
7397 /*
7398 * ":find [+command] <file>" command.
7399 */
7400 static void
7401 ex_find(eap)
7402 exarg_T *eap;
7403 {
7404 #ifdef FEAT_SEARCHPATH
7405 char_u *fname;
7406 int count;
7407
7408 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7409 TRUE, curbuf->b_ffname);
7410 if (eap->addr_count > 0)
7411 {
7412 /* Repeat finding the file "count" times. This matters when it
7413 * appears several times in the path. */
7414 count = eap->line2;
7415 while (fname != NULL && --count > 0)
7416 {
7417 vim_free(fname);
7418 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7419 FALSE, curbuf->b_ffname);
7420 }
7421 }
7422
7423 if (fname != NULL)
7424 {
7425 eap->arg = fname;
7426 #endif
7427 do_exedit(eap, NULL);
7428 #ifdef FEAT_SEARCHPATH
7429 vim_free(fname);
7430 }
7431 #endif
7432 }
7433
7434 /*
7435 * ":open" simulation: for now just work like ":visual".
7436 */
7437 static void
7438 ex_open(eap)
7439 exarg_T *eap;
7440 {
7441 regmatch_T regmatch;
7442 char_u *p;
7443
7444 curwin->w_cursor.lnum = eap->line2;
7445 beginline(BL_SOL | BL_FIX);
7446 if (*eap->arg == '/')
7447 {
7448 /* ":open /pattern/": put cursor in column found with pattern */
7449 ++eap->arg;
7450 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7451 *p = NUL;
7452 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7453 if (regmatch.regprog != NULL)
7454 {
7455 regmatch.rm_ic = p_ic;
7456 p = ml_get_curline();
7457 if (vim_regexec(&regmatch, p, (colnr_T)0))
7458 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7459 else
7460 EMSG(_(e_nomatch));
7461 vim_free(regmatch.regprog);
7462 }
7463 /* Move to the NUL, ignore any other arguments. */
7464 eap->arg += STRLEN(eap->arg);
7465 }
7466 check_cursor();
7467
7468 eap->cmdidx = CMD_visual;
7469 do_exedit(eap, NULL);
7470 }
7471
7472 /*
7473 * ":edit", ":badd", ":visual".
7474 */
7475 static void
7476 ex_edit(eap)
7477 exarg_T *eap;
7478 {
7479 do_exedit(eap, NULL);
7480 }
7481
7482 /*
7483 * ":edit <file>" command and alikes.
7484 */
7485 /*ARGSUSED*/
7486 void
7487 do_exedit(eap, old_curwin)
7488 exarg_T *eap;
7489 win_T *old_curwin; /* curwin before doing a split or NULL */
7490 {
7491 int n;
7492 #ifdef FEAT_WINDOWS
7493 int need_hide;
7494 #endif
7495 int exmode_was = exmode_active;
7496
7497 /*
7498 * ":vi" command ends Ex mode.
7499 */
7500 if (exmode_active && (eap->cmdidx == CMD_visual
7501 || eap->cmdidx == CMD_view))
7502 {
7503 exmode_active = FALSE;
7504 if (*eap->arg == NUL)
7505 {
7506 /* Special case: ":global/pat/visual\NLvi-commands" */
7507 if (global_busy)
7508 {
7509 int rd = RedrawingDisabled;
7510 int nwr = no_wait_return;
7511 int ms = msg_scroll;
7512 #ifdef FEAT_GUI
7513 int he = hold_gui_events;
7514 #endif
7515
7516 if (eap->nextcmd != NULL)
7517 {
7518 stuffReadbuff(eap->nextcmd);
7519 eap->nextcmd = NULL;
7520 }
7521
7522 if (exmode_was != EXMODE_VIM)
7523 settmode(TMODE_RAW);
7524 RedrawingDisabled = 0;
7525 no_wait_return = 0;
7526 need_wait_return = FALSE;
7527 msg_scroll = 0;
7528 #ifdef FEAT_GUI
7529 hold_gui_events = 0;
7530 #endif
7531 must_redraw = CLEAR;
7532
7533 main_loop(FALSE, TRUE);
7534
7535 RedrawingDisabled = rd;
7536 no_wait_return = nwr;
7537 msg_scroll = ms;
7538 #ifdef FEAT_GUI
7539 hold_gui_events = he;
7540 #endif
7541 }
7542 return;
7543 }
7544 }
7545
7546 if ((eap->cmdidx == CMD_new
7547 || eap->cmdidx == CMD_tabnew
7548 || eap->cmdidx == CMD_tabedit
7549 #ifdef FEAT_VERTSPLIT
7550 || eap->cmdidx == CMD_vnew
7551 #endif
7552 ) && *eap->arg == NUL)
7553 {
7554 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7555 setpcmark();
7556 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7557 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7558 old_curwin == NULL ? curwin : NULL);
7559 }
7560 else if ((eap->cmdidx != CMD_split
7561 #ifdef FEAT_VERTSPLIT
7562 && eap->cmdidx != CMD_vsplit
7563 #endif
7564 )
7565 || *eap->arg != NUL
7566 #ifdef FEAT_BROWSE
7567 || cmdmod.browse
7568 #endif
7569 )
7570 {
7571 #ifdef FEAT_AUTOCMD
7572 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7573 * can bring us here, others are stopped earlier. */
7574 if (*eap->arg != NUL && curbuf_locked())
7575 return;
7576 #endif
7577 n = readonlymode;
7578 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7579 readonlymode = TRUE;
7580 else if (eap->cmdidx == CMD_enew)
7581 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7582 empty buffer */
7583 setpcmark();
7584 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7585 NULL, eap,
7586 /* ":edit" goes to first line if Vi compatible */
7587 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7588 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7589 ? ECMD_ONE : eap->do_ecmd_lnum,
7590 (P_HID(curbuf) ? ECMD_HIDE : 0)
7591 + (eap->forceit ? ECMD_FORCEIT : 0)
7592 #ifdef FEAT_LISTCMDS
7593 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7594 #endif
7595 , old_curwin == NULL ? curwin : NULL) == FAIL)
7596 {
7597 /* Editing the file failed. If the window was split, close it. */
7598 #ifdef FEAT_WINDOWS
7599 if (old_curwin != NULL)
7600 {
7601 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7602 if (!need_hide || P_HID(curbuf))
7603 {
7604 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7605 cleanup_T cs;
7606
7607 /* Reset the error/interrupt/exception state here so that
7608 * aborting() returns FALSE when closing a window. */
7609 enter_cleanup(&cs);
7610 # endif
7611 # ifdef FEAT_GUI
7612 need_mouse_correct = TRUE;
7613 # endif
7614 win_close(curwin, !need_hide && !P_HID(curbuf));
7615
7616 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7617 /* Restore the error/interrupt/exception state if not
7618 * discarded by a new aborting error, interrupt, or
7619 * uncaught exception. */
7620 leave_cleanup(&cs);
7621 # endif
7622 }
7623 }
7624 #endif
7625 }
7626 else if (readonlymode && curbuf->b_nwindows == 1)
7627 {
7628 /* When editing an already visited buffer, 'readonly' won't be set
7629 * but the previous value is kept. With ":view" and ":sview" we
7630 * want the file to be readonly, except when another window is
7631 * editing the same buffer. */
7632 curbuf->b_p_ro = TRUE;
7633 }
7634 readonlymode = n;
7635 }
7636 else
7637 {
7638 if (eap->do_ecmd_cmd != NULL)
7639 do_cmdline_cmd(eap->do_ecmd_cmd);
7640 #ifdef FEAT_TITLE
7641 n = curwin->w_arg_idx_invalid;
7642 #endif
7643 check_arg_idx(curwin);
7644 #ifdef FEAT_TITLE
7645 if (n != curwin->w_arg_idx_invalid)
7646 maketitle();
7647 #endif
7648 }
7649
7650 #ifdef FEAT_WINDOWS
7651 /*
7652 * if ":split file" worked, set alternate file name in old window to new
7653 * file
7654 */
7655 if (old_curwin != NULL
7656 && *eap->arg != NUL
7657 && curwin != old_curwin
7658 && win_valid(old_curwin)
7659 && old_curwin->w_buffer != curbuf
7660 && !cmdmod.keepalt)
7661 old_curwin->w_alt_fnum = curbuf->b_fnum;
7662 #endif
7663
7664 ex_no_reprint = TRUE;
7665 }
7666
7667 #ifndef FEAT_GUI
7668 /*
7669 * ":gui" and ":gvim" when there is no GUI.
7670 */
7671 static void
7672 ex_nogui(eap)
7673 exarg_T *eap;
7674 {
7675 eap->errmsg = e_nogvim;
7676 }
7677 #endif
7678
7679 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7680 static void
7681 ex_tearoff(eap)
7682 exarg_T *eap;
7683 {
7684 gui_make_tearoff(eap->arg);
7685 }
7686 #endif
7687
7688 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7689 static void
7690 ex_popup(eap)
7691 exarg_T *eap;
7692 {
7693 gui_make_popup(eap->arg, eap->forceit);
7694 }
7695 #endif
7696
7697 /*ARGSUSED*/
7698 static void
7699 ex_swapname(eap)
7700 exarg_T *eap;
7701 {
7702 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7703 MSG(_("No swap file"));
7704 else
7705 msg(curbuf->b_ml.ml_mfp->mf_fname);
7706 }
7707
7708 /*
7709 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7710 * offset.
7711 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7712 */
7713 /*ARGSUSED*/
7714 static void
7715 ex_syncbind(eap)
7716 exarg_T *eap;
7717 {
7718 #ifdef FEAT_SCROLLBIND
7719 win_T *wp;
7720 long topline;
7721 long y;
7722 linenr_T old_linenr = curwin->w_cursor.lnum;
7723
7724 setpcmark();
7725
7726 /*
7727 * determine max topline
7728 */
7729 if (curwin->w_p_scb)
7730 {
7731 topline = curwin->w_topline;
7732 for (wp = firstwin; wp; wp = wp->w_next)
7733 {
7734 if (wp->w_p_scb && wp->w_buffer)
7735 {
7736 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7737 if (topline > y)
7738 topline = y;
7739 }
7740 }
7741 if (topline < 1)
7742 topline = 1;
7743 }
7744 else
7745 {
7746 topline = 1;
7747 }
7748
7749
7750 /*
7751 * set all scrollbind windows to the same topline
7752 */
7753 wp = curwin;
7754 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7755 {
7756 if (curwin->w_p_scb)
7757 {
7758 y = topline - curwin->w_topline;
7759 if (y > 0)
7760 scrollup(y, TRUE);
7761 else
7762 scrolldown(-y, TRUE);
7763 curwin->w_scbind_pos = topline;
7764 redraw_later(VALID);
7765 cursor_correct();
7766 #ifdef FEAT_WINDOWS
7767 curwin->w_redr_status = TRUE;
7768 #endif
7769 }
7770 }
7771 curwin = wp;
7772 if (curwin->w_p_scb)
7773 {
7774 did_syncbind = TRUE;
7775 checkpcmark();
7776 if (old_linenr != curwin->w_cursor.lnum)
7777 {
7778 char_u ctrl_o[2];
7779
7780 ctrl_o[0] = Ctrl_O;
7781 ctrl_o[1] = 0;
7782 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7783 }
7784 }
7785 #endif
7786 }
7787
7788
7789 static void
7790 ex_read(eap)
7791 exarg_T *eap;
7792 {
7793 int i;
7794 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7795 linenr_T lnum;
7796
7797 if (eap->usefilter) /* :r!cmd */
7798 do_bang(1, eap, FALSE, FALSE, TRUE);
7799 else
7800 {
7801 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7802 return;
7803
7804 #ifdef FEAT_BROWSE
7805 if (cmdmod.browse)
7806 {
7807 char_u *browseFile;
7808
7809 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7810 NULL, NULL, NULL, curbuf);
7811 if (browseFile != NULL)
7812 {
7813 i = readfile(browseFile, NULL,
7814 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7815 vim_free(browseFile);
7816 }
7817 else
7818 i = OK;
7819 }
7820 else
7821 #endif
7822 if (*eap->arg == NUL)
7823 {
7824 if (check_fname() == FAIL) /* check for no file name */
7825 return;
7826 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7827 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7828 }
7829 else
7830 {
7831 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7832 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7833 i = readfile(eap->arg, NULL,
7834 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7835
7836 }
7837 if (i == FAIL)
7838 {
7839 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7840 if (!aborting())
7841 #endif
7842 EMSG2(_(e_notopen), eap->arg);
7843 }
7844 else
7845 {
7846 if (empty && exmode_active)
7847 {
7848 /* Delete the empty line that remains. Historically ex does
7849 * this but vi doesn't. */
7850 if (eap->line2 == 0)
7851 lnum = curbuf->b_ml.ml_line_count;
7852 else
7853 lnum = 1;
7854 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7855 {
7856 ml_delete(lnum, FALSE);
7857 deleted_lines_mark(lnum, 1L);
7858 if (curwin->w_cursor.lnum > 1
7859 && curwin->w_cursor.lnum >= lnum)
7860 --curwin->w_cursor.lnum;
7861 }
7862 }
7863 redraw_curbuf_later(VALID);
7864 }
7865 }
7866 }
7867
7868 static char_u *prev_dir = NULL;
7869
7870 #if defined(EXITFREE) || defined(PROTO)
7871 void
7872 free_cd_dir()
7873 {
7874 vim_free(prev_dir);
7875 prev_dir = NULL;
7876
7877 vim_free(globaldir);
7878 globaldir = NULL;
7879 }
7880 #endif
7881
7882
7883 /*
7884 * ":cd", ":lcd", ":chdir" and ":lchdir".
7885 */
7886 void
7887 ex_cd(eap)
7888 exarg_T *eap;
7889 {
7890 char_u *new_dir;
7891 char_u *tofree;
7892
7893 new_dir = eap->arg;
7894 #if !defined(UNIX) && !defined(VMS)
7895 /* for non-UNIX ":cd" means: print current directory */
7896 if (*new_dir == NUL)
7897 ex_pwd(NULL);
7898 else
7899 #endif
7900 {
7901 #ifdef FEAT_AUTOCMD
7902 if (allbuf_locked())
7903 return;
7904 #endif
7905 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7906 && !eap->forceit)
7907 {
7908 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7909 return;
7910 }
7911
7912 /* ":cd -": Change to previous directory */
7913 if (STRCMP(new_dir, "-") == 0)
7914 {
7915 if (prev_dir == NULL)
7916 {
7917 EMSG(_("E186: No previous directory"));
7918 return;
7919 }
7920 new_dir = prev_dir;
7921 }
7922
7923 /* Save current directory for next ":cd -" */
7924 tofree = prev_dir;
7925 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7926 prev_dir = vim_strsave(NameBuff);
7927 else
7928 prev_dir = NULL;
7929
7930 #if defined(UNIX) || defined(VMS)
7931 /* for UNIX ":cd" means: go to home directory */
7932 if (*new_dir == NUL)
7933 {
7934 /* use NameBuff for home directory name */
7935 # ifdef VMS
7936 char_u *p;
7937
7938 p = mch_getenv((char_u *)"SYS$LOGIN");
7939 if (p == NULL || *p == NUL) /* empty is the same as not set */
7940 NameBuff[0] = NUL;
7941 else
7942 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7943 # else
7944 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7945 # endif
7946 new_dir = NameBuff;
7947 }
7948 #endif
7949 if (new_dir == NULL || vim_chdir(new_dir))
7950 EMSG(_(e_failed));
7951 else
7952 {
7953 vim_free(curwin->w_localdir);
7954 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7955 {
7956 /* If still in global directory, need to remember current
7957 * directory as global directory. */
7958 if (globaldir == NULL && prev_dir != NULL)
7959 globaldir = vim_strsave(prev_dir);
7960 /* Remember this local directory for the window. */
7961 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7962 curwin->w_localdir = vim_strsave(NameBuff);
7963 }
7964 else
7965 {
7966 /* We are now in the global directory, no need to remember its
7967 * name. */
7968 vim_free(globaldir);
7969 globaldir = NULL;
7970 curwin->w_localdir = NULL;
7971 }
7972
7973 shorten_fnames(TRUE);
7974
7975 /* Echo the new current directory if the command was typed. */
7976 if (KeyTyped)
7977 ex_pwd(eap);
7978 }
7979 vim_free(tofree);
7980 }
7981 }
7982
7983 /*
7984 * ":pwd".
7985 */
7986 /*ARGSUSED*/
7987 static void
7988 ex_pwd(eap)
7989 exarg_T *eap;
7990 {
7991 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7992 {
7993 #ifdef BACKSLASH_IN_FILENAME
7994 slash_adjust(NameBuff);
7995 #endif
7996 msg(NameBuff);
7997 }
7998 else
7999 EMSG(_("E187: Unknown"));
8000 }
8001
8002 /*
8003 * ":=".
8004 */
8005 static void
8006 ex_equal(eap)
8007 exarg_T *eap;
8008 {
8009 smsg((char_u *)"%ld", (long)eap->line2);
8010 ex_may_print(eap);
8011 }
8012
8013 static void
8014 ex_sleep(eap)
8015 exarg_T *eap;
8016 {
8017 int n;
8018 long len;
8019
8020 if (cursor_valid())
8021 {
8022 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8023 if (n >= 0)
8024 windgoto((int)n, curwin->w_wcol);
8025 }
8026
8027 len = eap->line2;
8028 switch (*eap->arg)
8029 {
8030 case 'm': break;
8031 case NUL: len *= 1000L; break;
8032 default: EMSG2(_(e_invarg2), eap->arg); return;
8033 }
8034 do_sleep(len);
8035 }
8036
8037 /*
8038 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8039 */
8040 void
8041 do_sleep(msec)
8042 long msec;
8043 {
8044 long done;
8045
8046 cursor_on();
8047 out_flush();
8048 for (done = 0; !got_int && done < msec; done += 1000L)
8049 {
8050 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8051 ui_breakcheck();
8052 }
8053 }
8054
8055 static void
8056 do_exmap(eap, isabbrev)
8057 exarg_T *eap;
8058 int isabbrev;
8059 {
8060 int mode;
8061 char_u *cmdp;
8062
8063 cmdp = eap->cmd;
8064 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8065
8066 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8067 eap->arg, mode, isabbrev))
8068 {
8069 case 1: EMSG(_(e_invarg));
8070 break;
8071 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8072 break;
8073 }
8074 }
8075
8076 /*
8077 * ":winsize" command (obsolete).
8078 */
8079 static void
8080 ex_winsize(eap)
8081 exarg_T *eap;
8082 {
8083 int w, h;
8084 char_u *arg = eap->arg;
8085 char_u *p;
8086
8087 w = getdigits(&arg);
8088 arg = skipwhite(arg);
8089 p = arg;
8090 h = getdigits(&arg);
8091 if (*p != NUL && *arg == NUL)
8092 set_shellsize(w, h, TRUE);
8093 else
8094 EMSG(_("E465: :winsize requires two number arguments"));
8095 }
8096
8097 #ifdef FEAT_WINDOWS
8098 static void
8099 ex_wincmd(eap)
8100 exarg_T *eap;
8101 {
8102 int xchar = NUL;
8103 char_u *p;
8104
8105 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8106 {
8107 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8108 if (eap->arg[1] == NUL)
8109 {
8110 EMSG(_(e_invarg));
8111 return;
8112 }
8113 xchar = eap->arg[1];
8114 p = eap->arg + 2;
8115 }
8116 else
8117 p = eap->arg + 1;
8118
8119 eap->nextcmd = check_nextcmd(p);
8120 p = skipwhite(p);
8121 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8122 EMSG(_(e_invarg));
8123 else
8124 {
8125 /* Pass flags on for ":vertical wincmd ]". */
8126 postponed_split_flags = cmdmod.split;
8127 postponed_split_tab = cmdmod.tab;
8128 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8129 postponed_split_flags = 0;
8130 postponed_split_tab = 0;
8131 }
8132 }
8133 #endif
8134
8135 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8136 /*
8137 * ":winpos".
8138 */
8139 static void
8140 ex_winpos(eap)
8141 exarg_T *eap;
8142 {
8143 int x, y;
8144 char_u *arg = eap->arg;
8145 char_u *p;
8146
8147 if (*arg == NUL)
8148 {
8149 # if defined(FEAT_GUI) || defined(MSWIN)
8150 # ifdef FEAT_GUI
8151 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8152 # else
8153 if (mch_get_winpos(&x, &y) != FAIL)
8154 # endif
8155 {
8156 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8157 msg(IObuff);
8158 }
8159 else
8160 # endif
8161 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8162 }
8163 else
8164 {
8165 x = getdigits(&arg);
8166 arg = skipwhite(arg);
8167 p = arg;
8168 y = getdigits(&arg);
8169 if (*p == NUL || *arg != NUL)
8170 {
8171 EMSG(_("E466: :winpos requires two number arguments"));
8172 return;
8173 }
8174 # ifdef FEAT_GUI
8175 if (gui.in_use)
8176 gui_mch_set_winpos(x, y);
8177 else if (gui.starting)
8178 {
8179 /* Remember the coordinates for when the window is opened. */
8180 gui_win_x = x;
8181 gui_win_y = y;
8182 }
8183 # ifdef HAVE_TGETENT
8184 else
8185 # endif
8186 # else
8187 # ifdef MSWIN
8188 mch_set_winpos(x, y);
8189 # endif
8190 # endif
8191 # ifdef HAVE_TGETENT
8192 if (*T_CWP)
8193 term_set_winpos(x, y);
8194 # endif
8195 }
8196 }
8197 #endif
8198
8199 /*
8200 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8201 */
8202 static void
8203 ex_operators(eap)
8204 exarg_T *eap;
8205 {
8206 oparg_T oa;
8207
8208 clear_oparg(&oa);
8209 oa.regname = eap->regname;
8210 oa.start.lnum = eap->line1;
8211 oa.end.lnum = eap->line2;
8212 oa.line_count = eap->line2 - eap->line1 + 1;
8213 oa.motion_type = MLINE;
8214 #ifdef FEAT_VIRTUALEDIT
8215 virtual_op = FALSE;
8216 #endif
8217 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8218 {
8219 setpcmark();
8220 curwin->w_cursor.lnum = eap->line1;
8221 beginline(BL_SOL | BL_FIX);
8222 }
8223
8224 switch (eap->cmdidx)
8225 {
8226 case CMD_delete:
8227 oa.op_type = OP_DELETE;
8228 op_delete(&oa);
8229 break;
8230
8231 case CMD_yank:
8232 oa.op_type = OP_YANK;
8233 (void)op_yank(&oa, FALSE, TRUE);
8234 break;
8235
8236 default: /* CMD_rshift or CMD_lshift */
8237 if ((eap->cmdidx == CMD_rshift)
8238 #ifdef FEAT_RIGHTLEFT
8239 ^ curwin->w_p_rl
8240 #endif
8241 )
8242 oa.op_type = OP_RSHIFT;
8243 else
8244 oa.op_type = OP_LSHIFT;
8245 op_shift(&oa, FALSE, eap->amount);
8246 break;
8247 }
8248 #ifdef FEAT_VIRTUALEDIT
8249 virtual_op = MAYBE;
8250 #endif
8251 ex_may_print(eap);
8252 }
8253
8254 /*
8255 * ":put".
8256 */
8257 static void
8258 ex_put(eap)
8259 exarg_T *eap;
8260 {
8261 /* ":0put" works like ":1put!". */
8262 if (eap->line2 == 0)
8263 {
8264 eap->line2 = 1;
8265 eap->forceit = TRUE;
8266 }
8267 curwin->w_cursor.lnum = eap->line2;
8268 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8269 PUT_LINE|PUT_CURSLINE);
8270 }
8271
8272 /*
8273 * Handle ":copy" and ":move".
8274 */
8275 static void
8276 ex_copymove(eap)
8277 exarg_T *eap;
8278 {
8279 long n;
8280
8281 n = get_address(&eap->arg, FALSE, FALSE);
8282 if (eap->arg == NULL) /* error detected */
8283 {
8284 eap->nextcmd = NULL;
8285 return;
8286 }
8287 get_flags(eap);
8288
8289 /*
8290 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8291 */
8292 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8293 {
8294 EMSG(_(e_invaddr));
8295 return;
8296 }
8297
8298 if (eap->cmdidx == CMD_move)
8299 {
8300 if (do_move(eap->line1, eap->line2, n) == FAIL)
8301 return;
8302 }
8303 else
8304 ex_copy(eap->line1, eap->line2, n);
8305 u_clearline();
8306 beginline(BL_SOL | BL_FIX);
8307 ex_may_print(eap);
8308 }
8309
8310 /*
8311 * Print the current line if flags were given to the Ex command.
8312 */
8313 static void
8314 ex_may_print(eap)
8315 exarg_T *eap;
8316 {
8317 if (eap->flags != 0)
8318 {
8319 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8320 (eap->flags & EXFLAG_LIST));
8321 ex_no_reprint = TRUE;
8322 }
8323 }
8324
8325 /*
8326 * ":smagic" and ":snomagic".
8327 */
8328 static void
8329 ex_submagic(eap)
8330 exarg_T *eap;
8331 {
8332 int magic_save = p_magic;
8333
8334 p_magic = (eap->cmdidx == CMD_smagic);
8335 do_sub(eap);
8336 p_magic = magic_save;
8337 }
8338
8339 /*
8340 * ":join".
8341 */
8342 static void
8343 ex_join(eap)
8344 exarg_T *eap;
8345 {
8346 curwin->w_cursor.lnum = eap->line1;
8347 if (eap->line1 == eap->line2)
8348 {
8349 if (eap->addr_count >= 2) /* :2,2join does nothing */
8350 return;
8351 if (eap->line2 == curbuf->b_ml.ml_line_count)
8352 {
8353 beep_flush();
8354 return;
8355 }
8356 ++eap->line2;
8357 }
8358 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8359 beginline(BL_WHITE | BL_FIX);
8360 ex_may_print(eap);
8361 }
8362
8363 /*
8364 * ":[addr]@r" or ":[addr]*r": execute register
8365 */
8366 static void
8367 ex_at(eap)
8368 exarg_T *eap;
8369 {
8370 int c;
8371
8372 curwin->w_cursor.lnum = eap->line2;
8373
8374 #ifdef USE_ON_FLY_SCROLL
8375 dont_scroll = TRUE; /* disallow scrolling here */
8376 #endif
8377
8378 /* get the register name. No name means to use the previous one */
8379 c = *eap->arg;
8380 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8381 c = '@';
8382 /* Put the register in the typeahead buffer with the "silent" flag. */
8383 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8384 == FAIL)
8385 {
8386 beep_flush();
8387 }
8388 else
8389 {
8390 int save_efr = exec_from_reg;
8391
8392 exec_from_reg = TRUE;
8393
8394 /*
8395 * Execute from the typeahead buffer.
8396 * Originally this didn't check for the typeahead buffer to be empty,
8397 * thus could read more Ex commands from stdin. It's not clear why,
8398 * it is certainly unexpected.
8399 */
8400 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8401 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8402
8403 exec_from_reg = save_efr;
8404 }
8405 }
8406
8407 /*
8408 * ":!".
8409 */
8410 static void
8411 ex_bang(eap)
8412 exarg_T *eap;
8413 {
8414 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8415 }
8416
8417 /*
8418 * ":undo".
8419 */
8420 /*ARGSUSED*/
8421 static void
8422 ex_undo(eap)
8423 exarg_T *eap;
8424 {
8425 if (eap->addr_count == 1) /* :undo 123 */
8426 undo_time(eap->line2, FALSE, TRUE);
8427 else
8428 u_undo(1);
8429 }
8430
8431 /*
8432 * ":redo".
8433 */
8434 /*ARGSUSED*/
8435 static void
8436 ex_redo(eap)
8437 exarg_T *eap;
8438 {
8439 u_redo(1);
8440 }
8441
8442 /*
8443 * ":earlier" and ":later".
8444 */
8445 /*ARGSUSED*/
8446 static void
8447 ex_later(eap)
8448 exarg_T *eap;
8449 {
8450 long count = 0;
8451 int sec = FALSE;
8452 char_u *p = eap->arg;
8453
8454 if (*p == NUL)
8455 count = 1;
8456 else if (isdigit(*p))
8457 {
8458 count = getdigits(&p);
8459 switch (*p)
8460 {
8461 case 's': ++p; sec = TRUE; break;
8462 case 'm': ++p; sec = TRUE; count *= 60; break;
8463 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8464 }
8465 }
8466
8467 if (*p != NUL)
8468 EMSG2(_(e_invarg2), eap->arg);
8469 else
8470 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8471 }
8472
8473 /*
8474 * ":redir": start/stop redirection.
8475 */
8476 static void
8477 ex_redir(eap)
8478 exarg_T *eap;
8479 {
8480 char *mode;
8481 char_u *fname;
8482 char_u *arg = eap->arg;
8483
8484 if (STRICMP(eap->arg, "END") == 0)
8485 close_redir();
8486 else
8487 {
8488 if (*arg == '>')
8489 {
8490 ++arg;
8491 if (*arg == '>')
8492 {
8493 ++arg;
8494 mode = "a";
8495 }
8496 else
8497 mode = "w";
8498 arg = skipwhite(arg);
8499
8500 close_redir();
8501
8502 /* Expand environment variables and "~/". */
8503 fname = expand_env_save(arg);
8504 if (fname == NULL)
8505 return;
8506 #ifdef FEAT_BROWSE
8507 if (cmdmod.browse)
8508 {
8509 char_u *browseFile;
8510
8511 browseFile = do_browse(BROWSE_SAVE,
8512 (char_u *)_("Save Redirection"),
8513 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8514 if (browseFile == NULL)
8515 return; /* operation cancelled */
8516 vim_free(fname);
8517 fname = browseFile;
8518 eap->forceit = TRUE; /* since dialog already asked */
8519 }
8520 #endif
8521
8522 redir_fd = open_exfile(fname, eap->forceit, mode);
8523 vim_free(fname);
8524 }
8525 #ifdef FEAT_EVAL
8526 else if (*arg == '@')
8527 {
8528 /* redirect to a register a-z (resp. A-Z for appending) */
8529 close_redir();
8530 ++arg;
8531 if (ASCII_ISALPHA(*arg)
8532 # ifdef FEAT_CLIPBOARD
8533 || *arg == '*'
8534 || *arg == '+'
8535 # endif
8536 || *arg == '"')
8537 {
8538 redir_reg = *arg++;
8539 if (*arg == '>' && arg[1] == '>') /* append */
8540 arg += 2;
8541 else
8542 {
8543 /* Can use both "@a" and "@a>". */
8544 if (*arg == '>')
8545 arg++;
8546 /* Make register empty when not using @A-@Z and the
8547 * command is valid. */
8548 if (*arg == NUL && !isupper(redir_reg))
8549 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8550 }
8551 }
8552 if (*arg != NUL)
8553 {
8554 redir_reg = 0;
8555 EMSG2(_(e_invarg2), eap->arg);
8556 }
8557 }
8558 else if (*arg == '=' && arg[1] == '>')
8559 {
8560 int append;
8561
8562 /* redirect to a variable */
8563 close_redir();
8564 arg += 2;
8565
8566 if (*arg == '>')
8567 {
8568 ++arg;
8569 append = TRUE;
8570 }
8571 else
8572 append = FALSE;
8573
8574 if (var_redir_start(skipwhite(arg), append) == OK)
8575 redir_vname = 1;
8576 }
8577 #endif
8578
8579 /* TODO: redirect to a buffer */
8580
8581 else
8582 EMSG2(_(e_invarg2), eap->arg);
8583 }
8584
8585 /* Make sure redirection is not off. Can happen for cmdline completion
8586 * that indirectly invokes a command to catch its output. */
8587 if (redir_fd != NULL
8588 #ifdef FEAT_EVAL
8589 || redir_reg || redir_vname
8590 #endif
8591 )
8592 redir_off = FALSE;
8593 }
8594
8595 /*
8596 * ":redraw": force redraw
8597 */
8598 static void
8599 ex_redraw(eap)
8600 exarg_T *eap;
8601 {
8602 int r = RedrawingDisabled;
8603 int p = p_lz;
8604
8605 RedrawingDisabled = 0;
8606 p_lz = FALSE;
8607 update_topline();
8608 update_screen(eap->forceit ? CLEAR :
8609 #ifdef FEAT_VISUAL
8610 VIsual_active ? INVERTED :
8611 #endif
8612 0);
8613 #ifdef FEAT_TITLE
8614 if (need_maketitle)
8615 maketitle();
8616 #endif
8617 RedrawingDisabled = r;
8618 p_lz = p;
8619
8620 /* Reset msg_didout, so that a message that's there is overwritten. */
8621 msg_didout = FALSE;
8622 msg_col = 0;
8623
8624 out_flush();
8625 }
8626
8627 /*
8628 * ":redrawstatus": force redraw of status line(s)
8629 */
8630 /*ARGSUSED*/
8631 static void
8632 ex_redrawstatus(eap)
8633 exarg_T *eap;
8634 {
8635 #if defined(FEAT_WINDOWS)
8636 int r = RedrawingDisabled;
8637 int p = p_lz;
8638
8639 RedrawingDisabled = 0;
8640 p_lz = FALSE;
8641 if (eap->forceit)
8642 status_redraw_all();
8643 else
8644 status_redraw_curbuf();
8645 update_screen(
8646 # ifdef FEAT_VISUAL
8647 VIsual_active ? INVERTED :
8648 # endif
8649 0);
8650 RedrawingDisabled = r;
8651 p_lz = p;
8652 out_flush();
8653 #endif
8654 }
8655
8656 static void
8657 close_redir()
8658 {
8659 if (redir_fd != NULL)
8660 {
8661 fclose(redir_fd);
8662 redir_fd = NULL;
8663 }
8664 #ifdef FEAT_EVAL
8665 redir_reg = 0;
8666 if (redir_vname)
8667 {
8668 var_redir_stop();
8669 redir_vname = 0;
8670 }
8671 #endif
8672 }
8673
8674 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8675 # define MKSESSION_NL
8676 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8677 #endif
8678
8679 /*
8680 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8681 */
8682 static void
8683 ex_mkrc(eap)
8684 exarg_T *eap;
8685 {
8686 FILE *fd;
8687 int failed = FALSE;
8688 char_u *fname;
8689 #ifdef FEAT_BROWSE
8690 char_u *browseFile = NULL;
8691 #endif
8692 #ifdef FEAT_SESSION
8693 int view_session = FALSE;
8694 int using_vdir = FALSE; /* using 'viewdir'? */
8695 char_u *viewFile = NULL;
8696 unsigned *flagp;
8697 #endif
8698
8699 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8700 {
8701 #ifdef FEAT_SESSION
8702 view_session = TRUE;
8703 #else
8704 ex_ni(eap);
8705 return;
8706 #endif
8707 }
8708
8709 #ifdef FEAT_SESSION
8710 did_lcd = FALSE;
8711
8712 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8713 if (eap->cmdidx == CMD_mkview
8714 && (*eap->arg == NUL
8715 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8716 {
8717 eap->forceit = TRUE;
8718 fname = get_view_file(*eap->arg);
8719 if (fname == NULL)
8720 return;
8721 viewFile = fname;
8722 using_vdir = TRUE;
8723 }
8724 else
8725 #endif
8726 if (*eap->arg != NUL)
8727 fname = eap->arg;
8728 else if (eap->cmdidx == CMD_mkvimrc)
8729 fname = (char_u *)VIMRC_FILE;
8730 #ifdef FEAT_SESSION
8731 else if (eap->cmdidx == CMD_mksession)
8732 fname = (char_u *)SESSION_FILE;
8733 #endif
8734 else
8735 fname = (char_u *)EXRC_FILE;
8736
8737 #ifdef FEAT_BROWSE
8738 if (cmdmod.browse)
8739 {
8740 browseFile = do_browse(BROWSE_SAVE,
8741 # ifdef FEAT_SESSION
8742 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8743 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8744 # endif
8745 (char_u *)_("Save Setup"),
8746 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8747 if (browseFile == NULL)
8748 goto theend;
8749 fname = browseFile;
8750 eap->forceit = TRUE; /* since dialog already asked */
8751 }
8752 #endif
8753
8754 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8755 /* When using 'viewdir' may have to create the directory. */
8756 if (using_vdir && !mch_isdir(p_vdir))
8757 vim_mkdir_emsg(p_vdir, 0755);
8758 #endif
8759
8760 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8761 if (fd != NULL)
8762 {
8763 #ifdef FEAT_SESSION
8764 if (eap->cmdidx == CMD_mkview)
8765 flagp = &vop_flags;
8766 else
8767 flagp = &ssop_flags;
8768 #endif
8769
8770 #ifdef MKSESSION_NL
8771 /* "unix" in 'sessionoptions': use NL line separator */
8772 if (view_session && (*flagp & SSOP_UNIX))
8773 mksession_nl = TRUE;
8774 #endif
8775
8776 /* Write the version command for :mkvimrc */
8777 if (eap->cmdidx == CMD_mkvimrc)
8778 (void)put_line(fd, "version 6.0");
8779
8780 #ifdef FEAT_SESSION
8781 if (eap->cmdidx == CMD_mksession)
8782 {
8783 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8784 failed = TRUE;
8785 }
8786
8787 if (eap->cmdidx != CMD_mkview)
8788 #endif
8789 {
8790 /* Write setting 'compatible' first, because it has side effects.
8791 * For that same reason only do it when needed. */
8792 if (p_cp)
8793 (void)put_line(fd, "if !&cp | set cp | endif");
8794 else
8795 (void)put_line(fd, "if &cp | set nocp | endif");
8796 }
8797
8798 #ifdef FEAT_SESSION
8799 if (!view_session
8800 || (eap->cmdidx == CMD_mksession
8801 && (*flagp & SSOP_OPTIONS)))
8802 #endif
8803 failed |= (makemap(fd, NULL) == FAIL
8804 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8805
8806 #ifdef FEAT_SESSION
8807 if (!failed && view_session)
8808 {
8809 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8810 failed = TRUE;
8811 if (eap->cmdidx == CMD_mksession)
8812 {
8813 char_u dirnow[MAXPATHL]; /* current directory */
8814
8815 /*
8816 * Change to session file's dir.
8817 */
8818 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8819 || mch_chdir((char *)dirnow) != 0)
8820 *dirnow = NUL;
8821 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8822 {
8823 if (vim_chdirfile(fname) == OK)
8824 shorten_fnames(TRUE);
8825 }
8826 else if (*dirnow != NUL
8827 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8828 {
8829 if (mch_chdir((char *)globaldir) == 0)
8830 shorten_fnames(TRUE);
8831 }
8832
8833 failed |= (makeopens(fd, dirnow) == FAIL);
8834
8835 /* restore original dir */
8836 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8837 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8838 {
8839 if (mch_chdir((char *)dirnow) != 0)
8840 EMSG(_(e_prev_dir));
8841 shorten_fnames(TRUE);
8842 }
8843 }
8844 else
8845 {
8846 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8847 -1) == FAIL);
8848 }
8849 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8850 == FAIL)
8851 failed = TRUE;
8852 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8853 failed = TRUE;
8854 if (eap->cmdidx == CMD_mksession)
8855 {
8856 if (put_line(fd, "unlet SessionLoad") == FAIL)
8857 failed = TRUE;
8858 }
8859 }
8860 #endif
8861 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8862 failed = TRUE;
8863
8864 failed |= fclose(fd);
8865
8866 if (failed)
8867 EMSG(_(e_write));
8868 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8869 else if (eap->cmdidx == CMD_mksession)
8870 {
8871 /* successful session write - set this_session var */
8872 char_u tbuf[MAXPATHL];
8873
8874 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8875 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8876 }
8877 #endif
8878 #ifdef MKSESSION_NL
8879 mksession_nl = FALSE;
8880 #endif
8881 }
8882
8883 #ifdef FEAT_BROWSE
8884 theend:
8885 vim_free(browseFile);
8886 #endif
8887 #ifdef FEAT_SESSION
8888 vim_free(viewFile);
8889 #endif
8890 }
8891
8892 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8893 || defined(PROTO)
8894 /*ARGSUSED*/
8895 int
8896 vim_mkdir_emsg(name, prot)
8897 char_u *name;
8898 int prot;
8899 {
8900 if (vim_mkdir(name, prot) != 0)
8901 {
8902 EMSG2(_("E739: Cannot create directory: %s"), name);
8903 return FAIL;
8904 }
8905 return OK;
8906 }
8907 #endif
8908
8909 /*
8910 * Open a file for writing for an Ex command, with some checks.
8911 * Return file descriptor, or NULL on failure.
8912 */
8913 FILE *
8914 open_exfile(fname, forceit, mode)
8915 char_u *fname;
8916 int forceit;
8917 char *mode; /* "w" for create new file or "a" for append */
8918 {
8919 FILE *fd;
8920
8921 #ifdef UNIX
8922 /* with Unix it is possible to open a directory */
8923 if (mch_isdir(fname))
8924 {
8925 EMSG2(_(e_isadir2), fname);
8926 return NULL;
8927 }
8928 #endif
8929 if (!forceit && *mode != 'a' && vim_fexists(fname))
8930 {
8931 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8932 return NULL;
8933 }
8934
8935 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8936 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8937
8938 return fd;
8939 }
8940
8941 /*
8942 * ":mark" and ":k".
8943 */
8944 static void
8945 ex_mark(eap)
8946 exarg_T *eap;
8947 {
8948 pos_T pos;
8949
8950 if (*eap->arg == NUL) /* No argument? */
8951 EMSG(_(e_argreq));
8952 else if (eap->arg[1] != NUL) /* more than one character? */
8953 EMSG(_(e_trailing));
8954 else
8955 {
8956 pos = curwin->w_cursor; /* save curwin->w_cursor */
8957 curwin->w_cursor.lnum = eap->line2;
8958 beginline(BL_WHITE | BL_FIX);
8959 if (setmark(*eap->arg) == FAIL) /* set mark */
8960 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8961 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8962 }
8963 }
8964
8965 /*
8966 * Update w_topline, w_leftcol and the cursor position.
8967 */
8968 void
8969 update_topline_cursor()
8970 {
8971 check_cursor(); /* put cursor on valid line */
8972 update_topline();
8973 if (!curwin->w_p_wrap)
8974 validate_cursor();
8975 update_curswant();
8976 }
8977
8978 #ifdef FEAT_EX_EXTRA
8979 /*
8980 * ":normal[!] {commands}": Execute normal mode commands.
8981 */
8982 static void
8983 ex_normal(eap)
8984 exarg_T *eap;
8985 {
8986 int save_msg_scroll = msg_scroll;
8987 int save_restart_edit = restart_edit;
8988 int save_msg_didout = msg_didout;
8989 int save_State = State;
8990 tasave_T tabuf;
8991 int save_insertmode = p_im;
8992 int save_finish_op = finish_op;
8993 int save_opcount = opcount;
8994 #ifdef FEAT_MBYTE
8995 char_u *arg = NULL;
8996 int l;
8997 char_u *p;
8998 #endif
8999
9000 if (ex_normal_lock > 0)
9001 {
9002 EMSG(_(e_secure));
9003 return;
9004 }
9005 if (ex_normal_busy >= p_mmd)
9006 {
9007 EMSG(_("E192: Recursive use of :normal too deep"));
9008 return;
9009 }
9010 ++ex_normal_busy;
9011
9012 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9013 restart_edit = 0; /* don't go to Insert mode */
9014 p_im = FALSE; /* don't use 'insertmode' */
9015
9016 #ifdef FEAT_MBYTE
9017 /*
9018 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9019 * this for the K_SPECIAL leading byte, otherwise special keys will not
9020 * work.
9021 */
9022 if (has_mbyte)
9023 {
9024 int len = 0;
9025
9026 /* Count the number of characters to be escaped. */
9027 for (p = eap->arg; *p != NUL; ++p)
9028 {
9029 # ifdef FEAT_GUI
9030 if (*p == CSI) /* leadbyte CSI */
9031 len += 2;
9032 # endif
9033 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9034 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9035 # ifdef FEAT_GUI
9036 || *p == CSI
9037 # endif
9038 )
9039 len += 2;
9040 }
9041 if (len > 0)
9042 {
9043 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9044 if (arg != NULL)
9045 {
9046 len = 0;
9047 for (p = eap->arg; *p != NUL; ++p)
9048 {
9049 arg[len++] = *p;
9050 # ifdef FEAT_GUI
9051 if (*p == CSI)
9052 {
9053 arg[len++] = KS_EXTRA;
9054 arg[len++] = (int)KE_CSI;
9055 }
9056 # endif
9057 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9058 {
9059 arg[len++] = *++p;
9060 if (*p == K_SPECIAL)
9061 {
9062 arg[len++] = KS_SPECIAL;
9063 arg[len++] = KE_FILLER;
9064 }
9065 # ifdef FEAT_GUI
9066 else if (*p == CSI)
9067 {
9068 arg[len++] = KS_EXTRA;
9069 arg[len++] = (int)KE_CSI;
9070 }
9071 # endif
9072 }
9073 arg[len] = NUL;
9074 }
9075 }
9076 }
9077 }
9078 #endif
9079
9080 /*
9081 * Save the current typeahead. This is required to allow using ":normal"
9082 * from an event handler and makes sure we don't hang when the argument
9083 * ends with half a command.
9084 */
9085 save_typeahead(&tabuf);
9086 if (tabuf.typebuf_valid)
9087 {
9088 /*
9089 * Repeat the :normal command for each line in the range. When no
9090 * range given, execute it just once, without positioning the cursor
9091 * first.
9092 */
9093 do
9094 {
9095 if (eap->addr_count != 0)
9096 {
9097 curwin->w_cursor.lnum = eap->line1++;
9098 curwin->w_cursor.col = 0;
9099 }
9100
9101 exec_normal_cmd(
9102 #ifdef FEAT_MBYTE
9103 arg != NULL ? arg :
9104 #endif
9105 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9106 }
9107 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9108 }
9109
9110 /* Might not return to the main loop when in an event handler. */
9111 update_topline_cursor();
9112
9113 /* Restore the previous typeahead. */
9114 restore_typeahead(&tabuf);
9115
9116 --ex_normal_busy;
9117 msg_scroll = save_msg_scroll;
9118 restart_edit = save_restart_edit;
9119 p_im = save_insertmode;
9120 finish_op = save_finish_op;
9121 opcount = save_opcount;
9122 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9123
9124 /* Restore the state (needed when called from a function executed for
9125 * 'indentexpr'). */
9126 State = save_State;
9127 #ifdef FEAT_MBYTE
9128 vim_free(arg);
9129 #endif
9130 }
9131
9132 /*
9133 * ":startinsert", ":startreplace" and ":startgreplace"
9134 */
9135 static void
9136 ex_startinsert(eap)
9137 exarg_T *eap;
9138 {
9139 if (eap->forceit)
9140 {
9141 coladvance((colnr_T)MAXCOL);
9142 curwin->w_curswant = MAXCOL;
9143 curwin->w_set_curswant = FALSE;
9144 }
9145
9146 /* Ignore the command when already in Insert mode. Inserting an
9147 * expression register that invokes a function can do this. */
9148 if (State & INSERT)
9149 return;
9150
9151 if (eap->cmdidx == CMD_startinsert)
9152 restart_edit = 'a';
9153 else if (eap->cmdidx == CMD_startreplace)
9154 restart_edit = 'R';
9155 else
9156 restart_edit = 'V';
9157
9158 if (!eap->forceit)
9159 {
9160 if (eap->cmdidx == CMD_startinsert)
9161 restart_edit = 'i';
9162 curwin->w_curswant = 0; /* avoid MAXCOL */
9163 }
9164 }
9165
9166 /*
9167 * ":stopinsert"
9168 */
9169 /*ARGSUSED*/
9170 static void
9171 ex_stopinsert(eap)
9172 exarg_T *eap;
9173 {
9174 restart_edit = 0;
9175 stop_insert_mode = TRUE;
9176 }
9177 #endif
9178
9179 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9180 /*
9181 * Execute normal mode command "cmd".
9182 * "remap" can be REMAP_NONE or REMAP_YES.
9183 */
9184 void
9185 exec_normal_cmd(cmd, remap, silent)
9186 char_u *cmd;
9187 int remap;
9188 int silent;
9189 {
9190 oparg_T oa;
9191
9192 /*
9193 * Stuff the argument into the typeahead buffer.
9194 * Execute normal_cmd() until there is no typeahead left.
9195 */
9196 clear_oparg(&oa);
9197 finish_op = FALSE;
9198 ins_typebuf(cmd, remap, 0, TRUE, silent);
9199 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9200 && !got_int)
9201 {
9202 update_topline_cursor();
9203 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9204 }
9205 }
9206 #endif
9207
9208 #ifdef FEAT_FIND_ID
9209 static void
9210 ex_checkpath(eap)
9211 exarg_T *eap;
9212 {
9213 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9214 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9215 (linenr_T)1, (linenr_T)MAXLNUM);
9216 }
9217
9218 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9219 /*
9220 * ":psearch"
9221 */
9222 static void
9223 ex_psearch(eap)
9224 exarg_T *eap;
9225 {
9226 g_do_tagpreview = p_pvh;
9227 ex_findpat(eap);
9228 g_do_tagpreview = 0;
9229 }
9230 #endif
9231
9232 static void
9233 ex_findpat(eap)
9234 exarg_T *eap;
9235 {
9236 int whole = TRUE;
9237 long n;
9238 char_u *p;
9239 int action;
9240
9241 switch (cmdnames[eap->cmdidx].cmd_name[2])
9242 {
9243 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9244 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9245 action = ACTION_GOTO;
9246 else
9247 action = ACTION_SHOW;
9248 break;
9249 case 'i': /* ":ilist" and ":dlist" */
9250 action = ACTION_SHOW_ALL;
9251 break;
9252 case 'u': /* ":ijump" and ":djump" */
9253 action = ACTION_GOTO;
9254 break;
9255 default: /* ":isplit" and ":dsplit" */
9256 action = ACTION_SPLIT;
9257 break;
9258 }
9259
9260 n = 1;
9261 if (vim_isdigit(*eap->arg)) /* get count */
9262 {
9263 n = getdigits(&eap->arg);
9264 eap->arg = skipwhite(eap->arg);
9265 }
9266 if (*eap->arg == '/') /* Match regexp, not just whole words */
9267 {
9268 whole = FALSE;
9269 ++eap->arg;
9270 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9271 if (*p)
9272 {
9273 *p++ = NUL;
9274 p = skipwhite(p);
9275
9276 /* Check for trailing illegal characters */
9277 if (!ends_excmd(*p))
9278 eap->errmsg = e_trailing;
9279 else
9280 eap->nextcmd = check_nextcmd(p);
9281 }
9282 }
9283 if (!eap->skip)
9284 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9285 whole, !eap->forceit,
9286 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9287 n, action, eap->line1, eap->line2);
9288 }
9289 #endif
9290
9291 #ifdef FEAT_WINDOWS
9292
9293 # ifdef FEAT_QUICKFIX
9294 /*
9295 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9296 */
9297 static void
9298 ex_ptag(eap)
9299 exarg_T *eap;
9300 {
9301 g_do_tagpreview = p_pvh;
9302 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9303 }
9304
9305 /*
9306 * ":pedit"
9307 */
9308 static void
9309 ex_pedit(eap)
9310 exarg_T *eap;
9311 {
9312 win_T *curwin_save = curwin;
9313
9314 g_do_tagpreview = p_pvh;
9315 prepare_tagpreview(TRUE);
9316 keep_help_flag = curwin_save->w_buffer->b_help;
9317 do_exedit(eap, NULL);
9318 keep_help_flag = FALSE;
9319 if (curwin != curwin_save && win_valid(curwin_save))
9320 {
9321 /* Return cursor to where we were */
9322 validate_cursor();
9323 redraw_later(VALID);
9324 win_enter(curwin_save, TRUE);
9325 }
9326 g_do_tagpreview = 0;
9327 }
9328 # endif
9329
9330 /*
9331 * ":stag", ":stselect" and ":stjump".
9332 */
9333 static void
9334 ex_stag(eap)
9335 exarg_T *eap;
9336 {
9337 postponed_split = -1;
9338 postponed_split_flags = cmdmod.split;
9339 postponed_split_tab = cmdmod.tab;
9340 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9341 postponed_split_flags = 0;
9342 postponed_split_tab = 0;
9343 }
9344 #endif
9345
9346 /*
9347 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9348 */
9349 static void
9350 ex_tag(eap)
9351 exarg_T *eap;
9352 {
9353 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9354 }
9355
9356 static void
9357 ex_tag_cmd(eap, name)
9358 exarg_T *eap;
9359 char_u *name;
9360 {
9361 int cmd;
9362
9363 switch (name[1])
9364 {
9365 case 'j': cmd = DT_JUMP; /* ":tjump" */
9366 break;
9367 case 's': cmd = DT_SELECT; /* ":tselect" */
9368 break;
9369 case 'p': cmd = DT_PREV; /* ":tprevious" */
9370 break;
9371 case 'N': cmd = DT_PREV; /* ":tNext" */
9372 break;
9373 case 'n': cmd = DT_NEXT; /* ":tnext" */
9374 break;
9375 case 'o': cmd = DT_POP; /* ":pop" */
9376 break;
9377 case 'f': /* ":tfirst" */
9378 case 'r': cmd = DT_FIRST; /* ":trewind" */
9379 break;
9380 case 'l': cmd = DT_LAST; /* ":tlast" */
9381 break;
9382 default: /* ":tag" */
9383 #ifdef FEAT_CSCOPE
9384 if (p_cst && *eap->arg != NUL)
9385 {
9386 do_cstag(eap);
9387 return;
9388 }
9389 #endif
9390 cmd = DT_TAG;
9391 break;
9392 }
9393
9394 if (name[0] == 'l')
9395 {
9396 #ifndef FEAT_QUICKFIX
9397 ex_ni(eap);
9398 return;
9399 #else
9400 cmd = DT_LTAG;
9401 #endif
9402 }
9403
9404 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9405 eap->forceit, TRUE);
9406 }
9407
9408 /*
9409 * Check "str" for starting with a special cmdline variable.
9410 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9411 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9412 */
9413 int
9414 find_cmdline_var(src, usedlen)
9415 char_u *src;
9416 int *usedlen;
9417 {
9418 int len;
9419 int i;
9420 static char *(spec_str[]) = {
9421 "%",
9422 #define SPEC_PERC 0
9423 "#",
9424 #define SPEC_HASH 1
9425 "<cword>", /* cursor word */
9426 #define SPEC_CWORD 2
9427 "<cWORD>", /* cursor WORD */
9428 #define SPEC_CCWORD 3
9429 "<cfile>", /* cursor path name */
9430 #define SPEC_CFILE 4
9431 "<sfile>", /* ":so" file name */
9432 #define SPEC_SFILE 5
9433 #ifdef FEAT_AUTOCMD
9434 "<afile>", /* autocommand file name */
9435 # define SPEC_AFILE 6
9436 "<abuf>", /* autocommand buffer number */
9437 # define SPEC_ABUF 7
9438 "<amatch>", /* autocommand match name */
9439 # define SPEC_AMATCH 8
9440 #endif
9441 #ifdef FEAT_CLIENTSERVER
9442 "<client>"
9443 # define SPEC_CLIENT 9
9444 #endif
9445 };
9446 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9447
9448 for (i = 0; i < SPEC_COUNT; ++i)
9449 {
9450 len = (int)STRLEN(spec_str[i]);
9451 if (STRNCMP(src, spec_str[i], len) == 0)
9452 {
9453 *usedlen = len;
9454 return i;
9455 }
9456 }
9457 return -1;
9458 }
9459
9460 /*
9461 * Evaluate cmdline variables.
9462 *
9463 * change '%' to curbuf->b_ffname
9464 * '#' to curwin->w_altfile
9465 * '<cword>' to word under the cursor
9466 * '<cWORD>' to WORD under the cursor
9467 * '<cfile>' to path name under the cursor
9468 * '<sfile>' to sourced file name
9469 * '<afile>' to file name for autocommand
9470 * '<abuf>' to buffer number for autocommand
9471 * '<amatch>' to matching name for autocommand
9472 *
9473 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9474 * "" for error without a message) and NULL is returned.
9475 * Returns an allocated string if a valid match was found.
9476 * Returns NULL if no match was found. "usedlen" then still contains the
9477 * number of characters to skip.
9478 */
9479 char_u *
9480 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9481 char_u *src; /* pointer into commandline */
9482 char_u *srcstart; /* beginning of valid memory for src */
9483 int *usedlen; /* characters after src that are used */
9484 linenr_T *lnump; /* line number for :e command, or NULL */
9485 char_u **errormsg; /* pointer to error message */
9486 int *escaped; /* return value has escaped white space (can
9487 * be NULL) */
9488 {
9489 int i;
9490 char_u *s;
9491 char_u *result;
9492 char_u *resultbuf = NULL;
9493 int resultlen;
9494 buf_T *buf;
9495 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9496 int spec_idx;
9497 #ifdef FEAT_MODIFY_FNAME
9498 int skip_mod = FALSE;
9499 #endif
9500
9501 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9502 char_u strbuf[30];
9503 #endif
9504
9505 *errormsg = NULL;
9506 if (escaped != NULL)
9507 *escaped = FALSE;
9508
9509 /*
9510 * Check if there is something to do.
9511 */
9512 spec_idx = find_cmdline_var(src, usedlen);
9513 if (spec_idx < 0) /* no match */
9514 {
9515 *usedlen = 1;
9516 return NULL;
9517 }
9518
9519 /*
9520 * Skip when preceded with a backslash "\%" and "\#".
9521 * Note: In "\\%" the % is also not recognized!
9522 */
9523 if (src > srcstart && src[-1] == '\\')
9524 {
9525 *usedlen = 0;
9526 STRMOVE(src - 1, src); /* remove backslash */
9527 return NULL;
9528 }
9529
9530 /*
9531 * word or WORD under cursor
9532 */
9533 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9534 {
9535 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9536 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9537 if (resultlen == 0)
9538 {
9539 *errormsg = (char_u *)"";
9540 return NULL;
9541 }
9542 }
9543
9544 /*
9545 * '#': Alternate file name
9546 * '%': Current file name
9547 * File name under the cursor
9548 * File name for autocommand
9549 * and following modifiers
9550 */
9551 else
9552 {
9553 switch (spec_idx)
9554 {
9555 case SPEC_PERC: /* '%': current file */
9556 if (curbuf->b_fname == NULL)
9557 {
9558 result = (char_u *)"";
9559 valid = 0; /* Must have ":p:h" to be valid */
9560 }
9561 else
9562 #ifdef RISCOS
9563 /* Always use the full path for RISC OS if possible. */
9564 result = curbuf->b_ffname;
9565 if (result == NULL)
9566 result = curbuf->b_fname;
9567 #else
9568 result = curbuf->b_fname;
9569 #endif
9570 break;
9571
9572 case SPEC_HASH: /* '#' or "#99": alternate file */
9573 if (src[1] == '#') /* "##": the argument list */
9574 {
9575 result = arg_all();
9576 resultbuf = result;
9577 *usedlen = 2;
9578 if (escaped != NULL)
9579 *escaped = TRUE;
9580 #ifdef FEAT_MODIFY_FNAME
9581 skip_mod = TRUE;
9582 #endif
9583 break;
9584 }
9585 s = src + 1;
9586 if (*s == '<') /* "#<99" uses v:oldfiles */
9587 ++s;
9588 i = (int)getdigits(&s);
9589 *usedlen = (int)(s - src); /* length of what we expand */
9590
9591 if (src[1] == '<')
9592 {
9593 if (*usedlen < 2)
9594 {
9595 /* Should we give an error message for #<text? */
9596 *usedlen = 1;
9597 return NULL;
9598 }
9599 #ifdef FEAT_EVAL
9600 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9601 (long)i);
9602 if (result == NULL)
9603 {
9604 *errormsg = (char_u *)"";
9605 return NULL;
9606 }
9607 #else
9608 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9609 return NULL;
9610 #endif
9611 }
9612 else
9613 {
9614 buf = buflist_findnr(i);
9615 if (buf == NULL)
9616 {
9617 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9618 return NULL;
9619 }
9620 if (lnump != NULL)
9621 *lnump = ECMD_LAST;
9622 if (buf->b_fname == NULL)
9623 {
9624 result = (char_u *)"";
9625 valid = 0; /* Must have ":p:h" to be valid */
9626 }
9627 else
9628 result = buf->b_fname;
9629 }
9630 break;
9631
9632 #ifdef FEAT_SEARCHPATH
9633 case SPEC_CFILE: /* file name under cursor */
9634 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9635 if (result == NULL)
9636 {
9637 *errormsg = (char_u *)"";
9638 return NULL;
9639 }
9640 resultbuf = result; /* remember allocated string */
9641 break;
9642 #endif
9643
9644 #ifdef FEAT_AUTOCMD
9645 case SPEC_AFILE: /* file name for autocommand */
9646 result = autocmd_fname;
9647 if (result != NULL && !autocmd_fname_full)
9648 {
9649 /* Still need to turn the fname into a full path. It is
9650 * postponed to avoid a delay when <afile> is not used. */
9651 autocmd_fname_full = TRUE;
9652 result = FullName_save(autocmd_fname, FALSE);
9653 vim_free(autocmd_fname);
9654 autocmd_fname = result;
9655 }
9656 if (result == NULL)
9657 {
9658 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9659 return NULL;
9660 }
9661 result = shorten_fname1(result);
9662 break;
9663
9664 case SPEC_ABUF: /* buffer number for autocommand */
9665 if (autocmd_bufnr <= 0)
9666 {
9667 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9668 return NULL;
9669 }
9670 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9671 result = strbuf;
9672 break;
9673
9674 case SPEC_AMATCH: /* match name for autocommand */
9675 result = autocmd_match;
9676 if (result == NULL)
9677 {
9678 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9679 return NULL;
9680 }
9681 break;
9682
9683 #endif
9684 case SPEC_SFILE: /* file name for ":so" command */
9685 result = sourcing_name;
9686 if (result == NULL)
9687 {
9688 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9689 return NULL;
9690 }
9691 break;
9692 #if defined(FEAT_CLIENTSERVER)
9693 case SPEC_CLIENT: /* Source of last submitted input */
9694 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9695 (long_u)clientWindow);
9696 result = strbuf;
9697 break;
9698 #endif
9699 }
9700
9701 resultlen = (int)STRLEN(result); /* length of new string */
9702 if (src[*usedlen] == '<') /* remove the file name extension */
9703 {
9704 ++*usedlen;
9705 #ifdef RISCOS
9706 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9707 #else
9708 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9709 #endif
9710 resultlen = (int)(s - result);
9711 }
9712 #ifdef FEAT_MODIFY_FNAME
9713 else if (!skip_mod)
9714 {
9715 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9716 &resultlen);
9717 if (result == NULL)
9718 {
9719 *errormsg = (char_u *)"";
9720 return NULL;
9721 }
9722 }
9723 #endif
9724 }
9725
9726 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9727 {
9728 if (valid != VALID_HEAD + VALID_PATH)
9729 /* xgettext:no-c-format */
9730 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9731 else
9732 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9733 result = NULL;
9734 }
9735 else
9736 result = vim_strnsave(result, resultlen);
9737 vim_free(resultbuf);
9738 return result;
9739 }
9740
9741 /*
9742 * Concatenate all files in the argument list, separated by spaces, and return
9743 * it in one allocated string.
9744 * Spaces and backslashes in the file names are escaped with a backslash.
9745 * Returns NULL when out of memory.
9746 */
9747 static char_u *
9748 arg_all()
9749 {
9750 int len;
9751 int idx;
9752 char_u *retval = NULL;
9753 char_u *p;
9754
9755 /*
9756 * Do this loop two times:
9757 * first time: compute the total length
9758 * second time: concatenate the names
9759 */
9760 for (;;)
9761 {
9762 len = 0;
9763 for (idx = 0; idx < ARGCOUNT; ++idx)
9764 {
9765 p = alist_name(&ARGLIST[idx]);
9766 if (p != NULL)
9767 {
9768 if (len > 0)
9769 {
9770 /* insert a space in between names */
9771 if (retval != NULL)
9772 retval[len] = ' ';
9773 ++len;
9774 }
9775 for ( ; *p != NUL; ++p)
9776 {
9777 if (*p == ' ' || *p == '\\')
9778 {
9779 /* insert a backslash */
9780 if (retval != NULL)
9781 retval[len] = '\\';
9782 ++len;
9783 }
9784 if (retval != NULL)
9785 retval[len] = *p;
9786 ++len;
9787 }
9788 }
9789 }
9790
9791 /* second time: break here */
9792 if (retval != NULL)
9793 {
9794 retval[len] = NUL;
9795 break;
9796 }
9797
9798 /* allocate memory */
9799 retval = alloc(len + 1);
9800 if (retval == NULL)
9801 break;
9802 }
9803
9804 return retval;
9805 }
9806
9807 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9808 /*
9809 * Expand the <sfile> string in "arg".
9810 *
9811 * Returns an allocated string, or NULL for any error.
9812 */
9813 char_u *
9814 expand_sfile(arg)
9815 char_u *arg;
9816 {
9817 char_u *errormsg;
9818 int len;
9819 char_u *result;
9820 char_u *newres;
9821 char_u *repl;
9822 int srclen;
9823 char_u *p;
9824
9825 result = vim_strsave(arg);
9826 if (result == NULL)
9827 return NULL;
9828
9829 for (p = result; *p; )
9830 {
9831 if (STRNCMP(p, "<sfile>", 7) != 0)
9832 ++p;
9833 else
9834 {
9835 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9836 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9837 if (errormsg != NULL)
9838 {
9839 if (*errormsg)
9840 emsg(errormsg);
9841 vim_free(result);
9842 return NULL;
9843 }
9844 if (repl == NULL) /* no match (cannot happen) */
9845 {
9846 p += srclen;
9847 continue;
9848 }
9849 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9850 newres = alloc(len);
9851 if (newres == NULL)
9852 {
9853 vim_free(repl);
9854 vim_free(result);
9855 return NULL;
9856 }
9857 mch_memmove(newres, result, (size_t)(p - result));
9858 STRCPY(newres + (p - result), repl);
9859 len = (int)STRLEN(newres);
9860 STRCAT(newres, p + srclen);
9861 vim_free(repl);
9862 vim_free(result);
9863 result = newres;
9864 p = newres + len; /* continue after the match */
9865 }
9866 }
9867
9868 return result;
9869 }
9870 #endif
9871
9872 #ifdef FEAT_SESSION
9873 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9874 win_T *tab_firstwin));
9875 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9876 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9877 static int ses_do_frame __ARGS((frame_T *fr));
9878 static int ses_do_win __ARGS((win_T *wp));
9879 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9880 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9881 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9882
9883 /*
9884 * Write openfile commands for the current buffers to an .exrc file.
9885 * Return FAIL on error, OK otherwise.
9886 */
9887 static int
9888 makeopens(fd, dirnow)
9889 FILE *fd;
9890 char_u *dirnow; /* Current directory name */
9891 {
9892 buf_T *buf;
9893 int only_save_windows = TRUE;
9894 int nr;
9895 int cnr = 1;
9896 int restore_size = TRUE;
9897 win_T *wp;
9898 char_u *sname;
9899 win_T *edited_win = NULL;
9900 int tabnr;
9901 win_T *tab_firstwin;
9902 frame_T *tab_topframe;
9903 int cur_arg_idx = 0;
9904 int next_arg_idx = 0;
9905
9906 if (ssop_flags & SSOP_BUFFERS)
9907 only_save_windows = FALSE; /* Save ALL buffers */
9908
9909 /*
9910 * Begin by setting the this_session variable, and then other
9911 * sessionable variables.
9912 */
9913 #ifdef FEAT_EVAL
9914 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9915 return FAIL;
9916 if (ssop_flags & SSOP_GLOBALS)
9917 if (store_session_globals(fd) == FAIL)
9918 return FAIL;
9919 #endif
9920
9921 /*
9922 * Close all windows but one.
9923 */
9924 if (put_line(fd, "silent only") == FAIL)
9925 return FAIL;
9926
9927 /*
9928 * Now a :cd command to the session directory or the current directory
9929 */
9930 if (ssop_flags & SSOP_SESDIR)
9931 {
9932 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9933 == FAIL)
9934 return FAIL;
9935 }
9936 else if (ssop_flags & SSOP_CURDIR)
9937 {
9938 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9939 if (sname == NULL
9940 || fputs("cd ", fd) < 0
9941 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9942 || put_eol(fd) == FAIL)
9943 {
9944 vim_free(sname);
9945 return FAIL;
9946 }
9947 vim_free(sname);
9948 }
9949
9950 /*
9951 * If there is an empty, unnamed buffer we will wipe it out later.
9952 * Remember the buffer number.
9953 */
9954 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9955 return FAIL;
9956 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9957 return FAIL;
9958 if (put_line(fd, "endif") == FAIL)
9959 return FAIL;
9960
9961 /*
9962 * Now save the current files, current buffer first.
9963 */
9964 if (put_line(fd, "set shortmess=aoO") == FAIL)
9965 return FAIL;
9966
9967 /* Now put the other buffers into the buffer list */
9968 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9969 {
9970 if (!(only_save_windows && buf->b_nwindows == 0)
9971 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9972 && buf->b_fname != NULL
9973 && buf->b_p_bl)
9974 {
9975 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9976 : buf->b_wininfo->wi_fpos.lnum) < 0
9977 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9978 return FAIL;
9979 }
9980 }
9981
9982 /* the global argument list */
9983 if (ses_arglist(fd, "args", &global_alist.al_ga,
9984 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9985 return FAIL;
9986
9987 if (ssop_flags & SSOP_RESIZE)
9988 {
9989 /* Note: after the restore we still check it worked!*/
9990 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9991 || put_eol(fd) == FAIL)
9992 return FAIL;
9993 }
9994
9995 #ifdef FEAT_GUI
9996 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9997 {
9998 int x, y;
9999
10000 if (gui_mch_get_winpos(&x, &y) == OK)
10001 {
10002 /* Note: after the restore we still check it worked!*/
10003 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10004 return FAIL;
10005 }
10006 }
10007 #endif
10008
10009 /*
10010 * May repeat putting Windows for each tab, when "tabpages" is in
10011 * 'sessionoptions'.
10012 * Don't use goto_tabpage(), it may change directory and trigger
10013 * autocommands.
10014 */
10015 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10016 tab_topframe = topframe;
10017 for (tabnr = 1; ; ++tabnr)
10018 {
10019 int need_tabnew = FALSE;
10020
10021 if ((ssop_flags & SSOP_TABPAGES))
10022 {
10023 tabpage_T *tp = find_tabpage(tabnr);
10024
10025 if (tp == NULL)
10026 break; /* done all tab pages */
10027 if (tp == curtab)
10028 {
10029 tab_firstwin = firstwin;
10030 tab_topframe = topframe;
10031 }
10032 else
10033 {
10034 tab_firstwin = tp->tp_firstwin;
10035 tab_topframe = tp->tp_topframe;
10036 }
10037 if (tabnr > 1)
10038 need_tabnew = TRUE;
10039 }
10040
10041 /*
10042 * Before creating the window layout, try loading one file. If this
10043 * is aborted we don't end up with a number of useless windows.
10044 * This may have side effects! (e.g., compressed or network file).
10045 */
10046 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10047 {
10048 if (ses_do_win(wp)
10049 && wp->w_buffer->b_ffname != NULL
10050 && !wp->w_buffer->b_help
10051 #ifdef FEAT_QUICKFIX
10052 && !bt_nofile(wp->w_buffer)
10053 #endif
10054 )
10055 {
10056 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10057 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10058 return FAIL;
10059 need_tabnew = FALSE;
10060 if (!wp->w_arg_idx_invalid)
10061 edited_win = wp;
10062 break;
10063 }
10064 }
10065
10066 /* If no file got edited create an empty tab page. */
10067 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10068 return FAIL;
10069
10070 /*
10071 * Save current window layout.
10072 */
10073 if (put_line(fd, "set splitbelow splitright") == FAIL)
10074 return FAIL;
10075 if (ses_win_rec(fd, tab_topframe) == FAIL)
10076 return FAIL;
10077 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10078 return FAIL;
10079 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10080 return FAIL;
10081
10082 /*
10083 * Check if window sizes can be restored (no windows omitted).
10084 * Remember the window number of the current window after restoring.
10085 */
10086 nr = 0;
10087 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10088 {
10089 if (ses_do_win(wp))
10090 ++nr;
10091 else
10092 restore_size = FALSE;
10093 if (curwin == wp)
10094 cnr = nr;
10095 }
10096
10097 /* Go to the first window. */
10098 if (put_line(fd, "wincmd t") == FAIL)
10099 return FAIL;
10100
10101 /*
10102 * If more than one window, see if sizes can be restored.
10103 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10104 * resized when moving between windows.
10105 * Do this before restoring the view, so that the topline and the
10106 * cursor can be set. This is done again below.
10107 */
10108 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10109 return FAIL;
10110 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10111 return FAIL;
10112
10113 /*
10114 * Restore the view of the window (options, file, cursor, etc.).
10115 */
10116 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10117 {
10118 if (!ses_do_win(wp))
10119 continue;
10120 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10121 cur_arg_idx) == FAIL)
10122 return FAIL;
10123 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10124 return FAIL;
10125 next_arg_idx = wp->w_arg_idx;
10126 }
10127
10128 /* The argument index in the first tab page is zero, need to set it in
10129 * each window. For further tab pages it's the window where we do
10130 * "tabedit". */
10131 cur_arg_idx = next_arg_idx;
10132
10133 /*
10134 * Restore cursor to the current window if it's not the first one.
10135 */
10136 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10137 || put_eol(fd) == FAIL))
10138 return FAIL;
10139
10140 /*
10141 * Restore window sizes again after jumping around in windows, because
10142 * the current window has a minimum size while others may not.
10143 */
10144 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10145 return FAIL;
10146
10147 /* Don't continue in another tab page when doing only the current one
10148 * or when at the last tab page. */
10149 if (!(ssop_flags & SSOP_TABPAGES))
10150 break;
10151 }
10152
10153 if (ssop_flags & SSOP_TABPAGES)
10154 {
10155 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10156 || put_eol(fd) == FAIL)
10157 return FAIL;
10158 }
10159
10160 /*
10161 * Wipe out an empty unnamed buffer we started in.
10162 */
10163 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10164 return FAIL;
10165 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10166 return FAIL;
10167 if (put_line(fd, "endif") == FAIL)
10168 return FAIL;
10169 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10170 return FAIL;
10171
10172 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10173 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10174 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10175 return FAIL;
10176
10177 /*
10178 * Lastly, execute the x.vim file if it exists.
10179 */
10180 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10181 || put_line(fd, "if file_readable(s:sx)") == FAIL
10182 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10183 || put_line(fd, "endif") == FAIL)
10184 return FAIL;
10185
10186 return OK;
10187 }
10188
10189 static int
10190 ses_winsizes(fd, restore_size, tab_firstwin)
10191 FILE *fd;
10192 int restore_size;
10193 win_T *tab_firstwin;
10194 {
10195 int n = 0;
10196 win_T *wp;
10197
10198 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10199 {
10200 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10201 {
10202 if (!ses_do_win(wp))
10203 continue;
10204 ++n;
10205
10206 /* restore height when not full height */
10207 if (wp->w_height + wp->w_status_height < topframe->fr_height
10208 && (fprintf(fd,
10209 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10210 n, (long)wp->w_height, Rows / 2, Rows) < 0
10211 || put_eol(fd) == FAIL))
10212 return FAIL;
10213
10214 /* restore width when not full width */
10215 if (wp->w_width < Columns && (fprintf(fd,
10216 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10217 n, (long)wp->w_width, Columns / 2, Columns) < 0
10218 || put_eol(fd) == FAIL))
10219 return FAIL;
10220 }
10221 }
10222 else
10223 {
10224 /* Just equalise window sizes */
10225 if (put_line(fd, "wincmd =") == FAIL)
10226 return FAIL;
10227 }
10228 return OK;
10229 }
10230
10231 /*
10232 * Write commands to "fd" to recursively create windows for frame "fr",
10233 * horizontally and vertically split.
10234 * After the commands the last window in the frame is the current window.
10235 * Returns FAIL when writing the commands to "fd" fails.
10236 */
10237 static int
10238 ses_win_rec(fd, fr)
10239 FILE *fd;
10240 frame_T *fr;
10241 {
10242 frame_T *frc;
10243 int count = 0;
10244
10245 if (fr->fr_layout != FR_LEAF)
10246 {
10247 /* Find first frame that's not skipped and then create a window for
10248 * each following one (first frame is already there). */
10249 frc = ses_skipframe(fr->fr_child);
10250 if (frc != NULL)
10251 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10252 {
10253 /* Make window as big as possible so that we have lots of room
10254 * to split. */
10255 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10256 || put_line(fd, fr->fr_layout == FR_COL
10257 ? "split" : "vsplit") == FAIL)
10258 return FAIL;
10259 ++count;
10260 }
10261
10262 /* Go back to the first window. */
10263 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10264 ? "%dwincmd k" : "%dwincmd h", count) < 0
10265 || put_eol(fd) == FAIL))
10266 return FAIL;
10267
10268 /* Recursively create frames/windows in each window of this column or
10269 * row. */
10270 frc = ses_skipframe(fr->fr_child);
10271 while (frc != NULL)
10272 {
10273 ses_win_rec(fd, frc);
10274 frc = ses_skipframe(frc->fr_next);
10275 /* Go to next window. */
10276 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10277 return FAIL;
10278 }
10279 }
10280 return OK;
10281 }
10282
10283 /*
10284 * Skip frames that don't contain windows we want to save in the Session.
10285 * Returns NULL when there none.
10286 */
10287 static frame_T *
10288 ses_skipframe(fr)
10289 frame_T *fr;
10290 {
10291 frame_T *frc;
10292
10293 for (frc = fr; frc != NULL; frc = frc->fr_next)
10294 if (ses_do_frame(frc))
10295 break;
10296 return frc;
10297 }
10298
10299 /*
10300 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10301 * the Session.
10302 */
10303 static int
10304 ses_do_frame(fr)
10305 frame_T *fr;
10306 {
10307 frame_T *frc;
10308
10309 if (fr->fr_layout == FR_LEAF)
10310 return ses_do_win(fr->fr_win);
10311 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10312 if (ses_do_frame(frc))
10313 return TRUE;
10314 return FALSE;
10315 }
10316
10317 /*
10318 * Return non-zero if window "wp" is to be stored in the Session.
10319 */
10320 static int
10321 ses_do_win(wp)
10322 win_T *wp;
10323 {
10324 if (wp->w_buffer->b_fname == NULL
10325 #ifdef FEAT_QUICKFIX
10326 /* When 'buftype' is "nofile" can't restore the window contents. */
10327 || bt_nofile(wp->w_buffer)
10328 #endif
10329 )
10330 return (ssop_flags & SSOP_BLANK);
10331 if (wp->w_buffer->b_help)
10332 return (ssop_flags & SSOP_HELP);
10333 return TRUE;
10334 }
10335
10336 /*
10337 * Write commands to "fd" to restore the view of a window.
10338 * Caller must make sure 'scrolloff' is zero.
10339 */
10340 static int
10341 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10342 FILE *fd;
10343 win_T *wp;
10344 int add_edit; /* add ":edit" command to view */
10345 unsigned *flagp; /* vop_flags or ssop_flags */
10346 int current_arg_idx; /* current argument index of the window, use
10347 * -1 if unknown */
10348 {
10349 win_T *save_curwin;
10350 int f;
10351 int do_cursor;
10352 int did_next = FALSE;
10353
10354 /* Always restore cursor position for ":mksession". For ":mkview" only
10355 * when 'viewoptions' contains "cursor". */
10356 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10357
10358 /*
10359 * Local argument list.
10360 */
10361 if (wp->w_alist == &global_alist)
10362 {
10363 if (put_line(fd, "argglobal") == FAIL)
10364 return FAIL;
10365 }
10366 else
10367 {
10368 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10369 flagp == &vop_flags
10370 || !(*flagp & SSOP_CURDIR)
10371 || wp->w_localdir != NULL, flagp) == FAIL)
10372 return FAIL;
10373 }
10374
10375 /* Only when part of a session: restore the argument index. Some
10376 * arguments may have been deleted, check if the index is valid. */
10377 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10378 && flagp == &ssop_flags)
10379 {
10380 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10381 || put_eol(fd) == FAIL)
10382 return FAIL;
10383 did_next = TRUE;
10384 }
10385
10386 /* Edit the file. Skip this when ":next" already did it. */
10387 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10388 {
10389 /*
10390 * Load the file.
10391 */
10392 if (wp->w_buffer->b_ffname != NULL
10393 #ifdef FEAT_QUICKFIX
10394 && !bt_nofile(wp->w_buffer)
10395 #endif
10396 )
10397 {
10398 /*
10399 * Editing a file in this buffer: use ":edit file".
10400 * This may have side effects! (e.g., compressed or network file).
10401 */
10402 if (fputs("edit ", fd) < 0
10403 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10404 return FAIL;
10405 }
10406 else
10407 {
10408 /* No file in this buffer, just make it empty. */
10409 if (put_line(fd, "enew") == FAIL)
10410 return FAIL;
10411 #ifdef FEAT_QUICKFIX
10412 if (wp->w_buffer->b_ffname != NULL)
10413 {
10414 /* The buffer does have a name, but it's not a file name. */
10415 if (fputs("file ", fd) < 0
10416 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10417 return FAIL;
10418 }
10419 #endif
10420 do_cursor = FALSE;
10421 }
10422 }
10423
10424 /*
10425 * Local mappings and abbreviations.
10426 */
10427 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10428 && makemap(fd, wp->w_buffer) == FAIL)
10429 return FAIL;
10430
10431 /*
10432 * Local options. Need to go to the window temporarily.
10433 * Store only local values when using ":mkview" and when ":mksession" is
10434 * used and 'sessionoptions' doesn't include "options".
10435 * Some folding options are always stored when "folds" is included,
10436 * otherwise the folds would not be restored correctly.
10437 */
10438 save_curwin = curwin;
10439 curwin = wp;
10440 curbuf = curwin->w_buffer;
10441 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10442 f = makeset(fd, OPT_LOCAL,
10443 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10444 #ifdef FEAT_FOLDING
10445 else if (*flagp & SSOP_FOLDS)
10446 f = makefoldset(fd);
10447 #endif
10448 else
10449 f = OK;
10450 curwin = save_curwin;
10451 curbuf = curwin->w_buffer;
10452 if (f == FAIL)
10453 return FAIL;
10454
10455 #ifdef FEAT_FOLDING
10456 /*
10457 * Save Folds when 'buftype' is empty and for help files.
10458 */
10459 if ((*flagp & SSOP_FOLDS)
10460 && wp->w_buffer->b_ffname != NULL
10461 # ifdef FEAT_QUICKFIX
10462 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10463 # endif
10464 )
10465 {
10466 if (put_folds(fd, wp) == FAIL)
10467 return FAIL;
10468 }
10469 #endif
10470
10471 /*
10472 * Set the cursor after creating folds, since that moves the cursor.
10473 */
10474 if (do_cursor)
10475 {
10476
10477 /* Restore the cursor line in the file and relatively in the
10478 * window. Don't use "G", it changes the jumplist. */
10479 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10480 (long)wp->w_cursor.lnum,
10481 (long)(wp->w_cursor.lnum - wp->w_topline),
10482 (long)wp->w_height / 2, (long)wp->w_height) < 0
10483 || put_eol(fd) == FAIL
10484 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10485 || put_line(fd, "exe s:l") == FAIL
10486 || put_line(fd, "normal! zt") == FAIL
10487 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10488 || put_eol(fd) == FAIL)
10489 return FAIL;
10490 /* Restore the cursor column and left offset when not wrapping. */
10491 if (wp->w_cursor.col == 0)
10492 {
10493 if (put_line(fd, "normal! 0") == FAIL)
10494 return FAIL;
10495 }
10496 else
10497 {
10498 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10499 {
10500 if (fprintf(fd,
10501 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10502 (long)wp->w_cursor.col,
10503 (long)(wp->w_cursor.col - wp->w_leftcol),
10504 (long)wp->w_width / 2, (long)wp->w_width) < 0
10505 || put_eol(fd) == FAIL
10506 || put_line(fd, "if s:c > 0") == FAIL
10507 || fprintf(fd,
10508 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10509 (long)wp->w_cursor.col) < 0
10510 || put_eol(fd) == FAIL
10511 || put_line(fd, "else") == FAIL
10512 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10513 || put_eol(fd) == FAIL
10514 || put_line(fd, "endif") == FAIL)
10515 return FAIL;
10516 }
10517 else
10518 {
10519 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10520 || put_eol(fd) == FAIL)
10521 return FAIL;
10522 }
10523 }
10524 }
10525
10526 /*
10527 * Local directory.
10528 */
10529 if (wp->w_localdir != NULL)
10530 {
10531 if (fputs("lcd ", fd) < 0
10532 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10533 || put_eol(fd) == FAIL)
10534 return FAIL;
10535 did_lcd = TRUE;
10536 }
10537
10538 return OK;
10539 }
10540
10541 /*
10542 * Write an argument list to the session file.
10543 * Returns FAIL if writing fails.
10544 */
10545 static int
10546 ses_arglist(fd, cmd, gap, fullname, flagp)
10547 FILE *fd;
10548 char *cmd;
10549 garray_T *gap;
10550 int fullname; /* TRUE: use full path name */
10551 unsigned *flagp;
10552 {
10553 int i;
10554 char_u buf[MAXPATHL];
10555 char_u *s;
10556
10557 if (gap->ga_len == 0)
10558 return put_line(fd, "silent! argdel *");
10559 if (fputs(cmd, fd) < 0)
10560 return FAIL;
10561 for (i = 0; i < gap->ga_len; ++i)
10562 {
10563 /* NULL file names are skipped (only happens when out of memory). */
10564 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10565 if (s != NULL)
10566 {
10567 if (fullname)
10568 {
10569 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10570 s = buf;
10571 }
10572 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10573 return FAIL;
10574 }
10575 }
10576 return put_eol(fd);
10577 }
10578
10579 /*
10580 * Write a buffer name to the session file.
10581 * Also ends the line.
10582 * Returns FAIL if writing fails.
10583 */
10584 static int
10585 ses_fname(fd, buf, flagp)
10586 FILE *fd;
10587 buf_T *buf;
10588 unsigned *flagp;
10589 {
10590 char_u *name;
10591
10592 /* Use the short file name if the current directory is known at the time
10593 * the session file will be sourced.
10594 * Don't do this for ":mkview", we don't know the current directory.
10595 * Don't do this after ":lcd", we don't keep track of what the current
10596 * directory is. */
10597 if (buf->b_sfname != NULL
10598 && flagp == &ssop_flags
10599 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10600 && !did_lcd)
10601 name = buf->b_sfname;
10602 else
10603 name = buf->b_ffname;
10604 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10605 return FAIL;
10606 return OK;
10607 }
10608
10609 /*
10610 * Write a file name to the session file.
10611 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10612 * characters.
10613 * Returns FAIL if writing fails.
10614 */
10615 static int
10616 ses_put_fname(fd, name, flagp)
10617 FILE *fd;
10618 char_u *name;
10619 unsigned *flagp;
10620 {
10621 char_u *sname;
10622 int retval = OK;
10623 int c;
10624
10625 sname = home_replace_save(NULL, name);
10626 if (sname != NULL)
10627 name = sname;
10628 while (*name != NUL)
10629 {
10630 #ifdef FEAT_MBYTE
10631 {
10632 int l;
10633
10634 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10635 {
10636 /* copy a multibyte char */
10637 while (--l >= 0)
10638 {
10639 if (putc(*name, fd) != *name)
10640 retval = FAIL;
10641 ++name;
10642 }
10643 continue;
10644 }
10645 }
10646 #endif
10647 c = *name++;
10648 if (c == '\\' && (*flagp & SSOP_SLASH))
10649 /* change a backslash to a forward slash */
10650 c = '/';
10651 else if ((vim_strchr(escape_chars, c) != NULL
10652 #ifdef BACKSLASH_IN_FILENAME
10653 && c != '\\'
10654 #endif
10655 ) || c == '#' || c == '%')
10656 {
10657 /* escape a special character with a backslash */
10658 if (putc('\\', fd) != '\\')
10659 retval = FAIL;
10660 }
10661 if (putc(c, fd) != c)
10662 retval = FAIL;
10663 }
10664 vim_free(sname);
10665 return retval;
10666 }
10667
10668 /*
10669 * ":loadview [nr]"
10670 */
10671 static void
10672 ex_loadview(eap)
10673 exarg_T *eap;
10674 {
10675 char_u *fname;
10676
10677 fname = get_view_file(*eap->arg);
10678 if (fname != NULL)
10679 {
10680 do_source(fname, FALSE, DOSO_NONE);
10681 vim_free(fname);
10682 }
10683 }
10684
10685 /*
10686 * Get the name of the view file for the current buffer.
10687 */
10688 static char_u *
10689 get_view_file(c)
10690 int c;
10691 {
10692 int len = 0;
10693 char_u *p, *s;
10694 char_u *retval;
10695 char_u *sname;
10696
10697 if (curbuf->b_ffname == NULL)
10698 {
10699 EMSG(_(e_noname));
10700 return NULL;
10701 }
10702 sname = home_replace_save(NULL, curbuf->b_ffname);
10703 if (sname == NULL)
10704 return NULL;
10705
10706 /*
10707 * We want a file name without separators, because we're not going to make
10708 * a directory.
10709 * "normal" path separator -> "=+"
10710 * "=" -> "=="
10711 * ":" path separator -> "=-"
10712 */
10713 for (p = sname; *p; ++p)
10714 if (*p == '=' || vim_ispathsep(*p))
10715 ++len;
10716 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10717 if (retval != NULL)
10718 {
10719 STRCPY(retval, p_vdir);
10720 add_pathsep(retval);
10721 s = retval + STRLEN(retval);
10722 for (p = sname; *p; ++p)
10723 {
10724 if (*p == '=')
10725 {
10726 *s++ = '=';
10727 *s++ = '=';
10728 }
10729 else if (vim_ispathsep(*p))
10730 {
10731 *s++ = '=';
10732 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10733 || defined(VMS)
10734 if (*p == ':')
10735 *s++ = '-';
10736 else
10737 #endif
10738 *s++ = '+';
10739 }
10740 else
10741 *s++ = *p;
10742 }
10743 *s++ = '=';
10744 *s++ = c;
10745 STRCPY(s, ".vim");
10746 }
10747
10748 vim_free(sname);
10749 return retval;
10750 }
10751
10752 #endif /* FEAT_SESSION */
10753
10754 /*
10755 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10756 * Return FAIL for a write error.
10757 */
10758 int
10759 put_eol(fd)
10760 FILE *fd;
10761 {
10762 if (
10763 #ifdef USE_CRNL
10764 (
10765 # ifdef MKSESSION_NL
10766 !mksession_nl &&
10767 # endif
10768 (putc('\r', fd) < 0)) ||
10769 #endif
10770 (putc('\n', fd) < 0))
10771 return FAIL;
10772 return OK;
10773 }
10774
10775 /*
10776 * Write a line to "fd".
10777 * Return FAIL for a write error.
10778 */
10779 int
10780 put_line(fd, s)
10781 FILE *fd;
10782 char *s;
10783 {
10784 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10785 return FAIL;
10786 return OK;
10787 }
10788
10789 #ifdef FEAT_VIMINFO
10790 /*
10791 * ":rviminfo" and ":wviminfo".
10792 */
10793 static void
10794 ex_viminfo(eap)
10795 exarg_T *eap;
10796 {
10797 char_u *save_viminfo;
10798
10799 save_viminfo = p_viminfo;
10800 if (*p_viminfo == NUL)
10801 p_viminfo = (char_u *)"'100";
10802 if (eap->cmdidx == CMD_rviminfo)
10803 {
10804 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10805 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10806 EMSG(_("E195: Cannot open viminfo file for reading"));
10807 }
10808 else
10809 write_viminfo(eap->arg, eap->forceit);
10810 p_viminfo = save_viminfo;
10811 }
10812 #endif
10813
10814 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10815 /*
10816 * Make a dialog message in "buff[IOSIZE]".
10817 * "format" must contain "%s".
10818 */
10819 void
10820 dialog_msg(buff, format, fname)
10821 char_u *buff;
10822 char *format;
10823 char_u *fname;
10824 {
10825 if (fname == NULL)
10826 fname = (char_u *)_("Untitled");
10827 vim_snprintf((char *)buff, IOSIZE, format, fname);
10828 }
10829 #endif
10830
10831 /*
10832 * ":behave {mswin,xterm}"
10833 */
10834 static void
10835 ex_behave(eap)
10836 exarg_T *eap;
10837 {
10838 if (STRCMP(eap->arg, "mswin") == 0)
10839 {
10840 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10841 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10842 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10843 set_option_value((char_u *)"keymodel", 0L,
10844 (char_u *)"startsel,stopsel", 0);
10845 }
10846 else if (STRCMP(eap->arg, "xterm") == 0)
10847 {
10848 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10849 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10850 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10851 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10852 }
10853 else
10854 EMSG2(_(e_invarg2), eap->arg);
10855 }
10856
10857 #ifdef FEAT_AUTOCMD
10858 static int filetype_detect = FALSE;
10859 static int filetype_plugin = FALSE;
10860 static int filetype_indent = FALSE;
10861
10862 /*
10863 * ":filetype [plugin] [indent] {on,off,detect}"
10864 * on: Load the filetype.vim file to install autocommands for file types.
10865 * off: Load the ftoff.vim file to remove all autocommands for file types.
10866 * plugin on: load filetype.vim and ftplugin.vim
10867 * plugin off: load ftplugof.vim
10868 * indent on: load filetype.vim and indent.vim
10869 * indent off: load indoff.vim
10870 */
10871 static void
10872 ex_filetype(eap)
10873 exarg_T *eap;
10874 {
10875 char_u *arg = eap->arg;
10876 int plugin = FALSE;
10877 int indent = FALSE;
10878
10879 if (*eap->arg == NUL)
10880 {
10881 /* Print current status. */
10882 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10883 filetype_detect ? "ON" : "OFF",
10884 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10885 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10886 return;
10887 }
10888
10889 /* Accept "plugin" and "indent" in any order. */
10890 for (;;)
10891 {
10892 if (STRNCMP(arg, "plugin", 6) == 0)
10893 {
10894 plugin = TRUE;
10895 arg = skipwhite(arg + 6);
10896 continue;
10897 }
10898 if (STRNCMP(arg, "indent", 6) == 0)
10899 {
10900 indent = TRUE;
10901 arg = skipwhite(arg + 6);
10902 continue;
10903 }
10904 break;
10905 }
10906 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10907 {
10908 if (*arg == 'o' || !filetype_detect)
10909 {
10910 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10911 filetype_detect = TRUE;
10912 if (plugin)
10913 {
10914 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10915 filetype_plugin = TRUE;
10916 }
10917 if (indent)
10918 {
10919 source_runtime((char_u *)INDENT_FILE, TRUE);
10920 filetype_indent = TRUE;
10921 }
10922 }
10923 if (*arg == 'd')
10924 {
10925 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10926 do_modelines(0);
10927 }
10928 }
10929 else if (STRCMP(arg, "off") == 0)
10930 {
10931 if (plugin || indent)
10932 {
10933 if (plugin)
10934 {
10935 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10936 filetype_plugin = FALSE;
10937 }
10938 if (indent)
10939 {
10940 source_runtime((char_u *)INDOFF_FILE, TRUE);
10941 filetype_indent = FALSE;
10942 }
10943 }
10944 else
10945 {
10946 source_runtime((char_u *)FTOFF_FILE, TRUE);
10947 filetype_detect = FALSE;
10948 }
10949 }
10950 else
10951 EMSG2(_(e_invarg2), arg);
10952 }
10953
10954 /*
10955 * ":setfiletype {name}"
10956 */
10957 static void
10958 ex_setfiletype(eap)
10959 exarg_T *eap;
10960 {
10961 if (!did_filetype)
10962 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10963 }
10964 #endif
10965
10966 /*ARGSUSED*/
10967 static void
10968 ex_digraphs(eap)
10969 exarg_T *eap;
10970 {
10971 #ifdef FEAT_DIGRAPHS
10972 if (*eap->arg != NUL)
10973 putdigraph(eap->arg);
10974 else
10975 listdigraphs();
10976 #else
10977 EMSG(_("E196: No digraphs in this version"));
10978 #endif
10979 }
10980
10981 static void
10982 ex_set(eap)
10983 exarg_T *eap;
10984 {
10985 int flags = 0;
10986
10987 if (eap->cmdidx == CMD_setlocal)
10988 flags = OPT_LOCAL;
10989 else if (eap->cmdidx == CMD_setglobal)
10990 flags = OPT_GLOBAL;
10991 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10992 if (cmdmod.browse && flags == 0)
10993 ex_options(eap);
10994 else
10995 #endif
10996 (void)do_set(eap->arg, flags);
10997 }
10998
10999 #ifdef FEAT_SEARCH_EXTRA
11000 /*
11001 * ":nohlsearch"
11002 */
11003 /*ARGSUSED*/
11004 static void
11005 ex_nohlsearch(eap)
11006 exarg_T *eap;
11007 {
11008 no_hlsearch = TRUE;
11009 redraw_all_later(SOME_VALID);
11010 }
11011
11012 /*
11013 * ":[N]match {group} {pattern}"
11014 * Sets nextcmd to the start of the next command, if any. Also called when
11015 * skipping commands to find the next command.
11016 */
11017 static void
11018 ex_match(eap)
11019 exarg_T *eap;
11020 {
11021 char_u *p;
11022 char_u *g = NULL;
11023 char_u *end;
11024 int c;
11025 int id;
11026
11027 if (eap->line2 <= 3)
11028 id = eap->line2;
11029 else
11030 {
11031 EMSG(e_invcmd);
11032 return;
11033 }
11034
11035 /* First clear any old pattern. */
11036 if (!eap->skip)
11037 match_delete(curwin, id, FALSE);
11038
11039 if (ends_excmd(*eap->arg))
11040 end = eap->arg;
11041 else if ((STRNICMP(eap->arg, "none", 4) == 0
11042 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11043 end = eap->arg + 4;
11044 else
11045 {
11046 p = skiptowhite(eap->arg);
11047 if (!eap->skip)
11048 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11049 p = skipwhite(p);
11050 if (*p == NUL)
11051 {
11052 /* There must be two arguments. */
11053 EMSG2(_(e_invarg2), eap->arg);
11054 return;
11055 }
11056 end = skip_regexp(p + 1, *p, TRUE, NULL);
11057 if (!eap->skip)
11058 {
11059 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11060 {
11061 eap->errmsg = e_trailing;
11062 return;
11063 }
11064 if (*end != *p)
11065 {
11066 EMSG2(_(e_invarg2), p);
11067 return;
11068 }
11069
11070 c = *end;
11071 *end = NUL;
11072 match_add(curwin, g, p + 1, 10, id);
11073 vim_free(g);
11074 *end = c;
11075 }
11076 }
11077 eap->nextcmd = find_nextcmd(end);
11078 }
11079 #endif
11080
11081 #ifdef FEAT_CRYPT
11082 /*
11083 * ":X": Get crypt key
11084 */
11085 /*ARGSUSED*/
11086 static void
11087 ex_X(eap)
11088 exarg_T *eap;
11089 {
11090 (void)get_crypt_key(TRUE, TRUE);
11091 }
11092 #endif
11093
11094 #ifdef FEAT_FOLDING
11095 static void
11096 ex_fold(eap)
11097 exarg_T *eap;
11098 {
11099 if (foldManualAllowed(TRUE))
11100 foldCreate(eap->line1, eap->line2);
11101 }
11102
11103 static void
11104 ex_foldopen(eap)
11105 exarg_T *eap;
11106 {
11107 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11108 eap->forceit, FALSE);
11109 }
11110
11111 static void
11112 ex_folddo(eap)
11113 exarg_T *eap;
11114 {
11115 linenr_T lnum;
11116
11117 /* First set the marks for all lines closed/open. */
11118 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11119 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11120 ml_setmarked(lnum);
11121
11122 /* Execute the command on the marked lines. */
11123 global_exe(eap->arg);
11124 ml_clearmarked(); /* clear rest of the marks */
11125 }
11126 #endif
Vim for the Mac