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Merged from the latest developing branch.
[MacVim.git] / src / ex_docmd.c
bloba6e6feac680cda1e76e47a118f99de8aa82c7d13
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_LISTCMDS
3699 case CMD_bdelete:
3700 case CMD_bwipeout:
3701 case CMD_bunload:
3702 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3703 arg = xp->xp_pattern + 1;
3704 /*FALLTHROUGH*/
3705 case CMD_buffer:
3706 case CMD_sbuffer:
3707 case CMD_checktime:
3708 xp->xp_context = EXPAND_BUFFERS;
3709 xp->xp_pattern = arg;
3710 break;
3711 #endif
3712 #ifdef FEAT_USR_CMDS
3713 case CMD_USER:
3714 case CMD_USER_BUF:
3715 if (compl != EXPAND_NOTHING)
3716 {
3717 /* XFILE: file names are handled above */
3718 if (!(ea.argt & XFILE))
3719 {
3720 # ifdef FEAT_MENU
3721 if (compl == EXPAND_MENUS)
3722 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3723 # endif
3724 if (compl == EXPAND_COMMANDS)
3725 return arg;
3726 if (compl == EXPAND_MAPPINGS)
3727 return set_context_in_map_cmd(xp, (char_u *)"map",
3728 arg, forceit, FALSE, FALSE, CMD_map);
3729 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3730 arg = xp->xp_pattern + 1;
3731 xp->xp_pattern = arg;
3732 }
3733 xp->xp_context = compl;
3734 }
3735 break;
3736 #endif
3737 case CMD_map: case CMD_noremap:
3738 case CMD_nmap: case CMD_nnoremap:
3739 case CMD_vmap: case CMD_vnoremap:
3740 case CMD_omap: case CMD_onoremap:
3741 case CMD_imap: case CMD_inoremap:
3742 case CMD_cmap: case CMD_cnoremap:
3743 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3744 FALSE, FALSE, ea.cmdidx);
3745 case CMD_unmap:
3746 case CMD_nunmap:
3747 case CMD_vunmap:
3748 case CMD_ounmap:
3749 case CMD_iunmap:
3750 case CMD_cunmap:
3751 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3752 FALSE, TRUE, ea.cmdidx);
3753 case CMD_abbreviate: case CMD_noreabbrev:
3754 case CMD_cabbrev: case CMD_cnoreabbrev:
3755 case CMD_iabbrev: case CMD_inoreabbrev:
3756 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3757 TRUE, FALSE, ea.cmdidx);
3758 case CMD_unabbreviate:
3759 case CMD_cunabbrev:
3760 case CMD_iunabbrev:
3761 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3762 TRUE, TRUE, ea.cmdidx);
3763 #ifdef FEAT_MENU
3764 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3765 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3766 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3767 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3768 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3769 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3770 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3771 case CMD_tmenu: case CMD_tunmenu:
3772 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3773 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3774 #endif
3775
3776 case CMD_colorscheme:
3777 xp->xp_context = EXPAND_COLORS;
3778 xp->xp_pattern = arg;
3779 break;
3780
3781 case CMD_compiler:
3782 xp->xp_context = EXPAND_COMPILER;
3783 xp->xp_pattern = arg;
3784 break;
3785
3786 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3787 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3788 case CMD_language:
3789 if (*skiptowhite(arg) == NUL)
3790 {
3791 xp->xp_context = EXPAND_LANGUAGE;
3792 xp->xp_pattern = arg;
3793 }
3794 else
3795 xp->xp_context = EXPAND_NOTHING;
3796 break;
3797 #endif
3798
3799 #endif /* FEAT_CMDL_COMPL */
3800
3801 default:
3802 break;
3803 }
3804 return NULL;
3805 }
3806
3807 /*
3808 * skip a range specifier of the form: addr [,addr] [;addr] ..
3809 *
3810 * Backslashed delimiters after / or ? will be skipped, and commands will
3811 * not be expanded between /'s and ?'s or after "'".
3812 *
3813 * Also skip white space and ":" characters.
3814 * Returns the "cmd" pointer advanced to beyond the range.
3815 */
3816 char_u *
3817 skip_range(cmd, ctx)
3818 char_u *cmd;
3819 int *ctx; /* pointer to xp_context or NULL */
3820 {
3821 int delim;
3822
3823 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3824 {
3825 if (*cmd == '\'')
3826 {
3827 if (*++cmd == NUL && ctx != NULL)
3828 *ctx = EXPAND_NOTHING;
3829 }
3830 else if (*cmd == '/' || *cmd == '?')
3831 {
3832 delim = *cmd++;
3833 while (*cmd != NUL && *cmd != delim)
3834 if (*cmd++ == '\\' && *cmd != NUL)
3835 ++cmd;
3836 if (*cmd == NUL && ctx != NULL)
3837 *ctx = EXPAND_NOTHING;
3838 }
3839 if (*cmd != NUL)
3840 ++cmd;
3841 }
3842
3843 /* Skip ":" and white space. */
3844 while (*cmd == ':')
3845 cmd = skipwhite(cmd + 1);
3846
3847 return cmd;
3848 }
3849
3850 /*
3851 * get a single EX address
3852 *
3853 * Set ptr to the next character after the part that was interpreted.
3854 * Set ptr to NULL when an error is encountered.
3855 *
3856 * Return MAXLNUM when no Ex address was found.
3857 */
3858 static linenr_T
3859 get_address(ptr, skip, to_other_file)
3860 char_u **ptr;
3861 int skip; /* only skip the address, don't use it */
3862 int to_other_file; /* flag: may jump to other file */
3863 {
3864 int c;
3865 int i;
3866 long n;
3867 char_u *cmd;
3868 pos_T pos;
3869 pos_T *fp;
3870 linenr_T lnum;
3871
3872 cmd = skipwhite(*ptr);
3873 lnum = MAXLNUM;
3874 do
3875 {
3876 switch (*cmd)
3877 {
3878 case '.': /* '.' - Cursor position */
3879 ++cmd;
3880 lnum = curwin->w_cursor.lnum;
3881 break;
3882
3883 case '$': /* '$' - last line */
3884 ++cmd;
3885 lnum = curbuf->b_ml.ml_line_count;
3886 break;
3887
3888 case '\'': /* ''' - mark */
3889 if (*++cmd == NUL)
3890 {
3891 cmd = NULL;
3892 goto error;
3893 }
3894 if (skip)
3895 ++cmd;
3896 else
3897 {
3898 /* Only accept a mark in another file when it is
3899 * used by itself: ":'M". */
3900 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3901 ++cmd;
3902 if (fp == (pos_T *)-1)
3903 /* Jumped to another file. */
3904 lnum = curwin->w_cursor.lnum;
3905 else
3906 {
3907 if (check_mark(fp) == FAIL)
3908 {
3909 cmd = NULL;
3910 goto error;
3911 }
3912 lnum = fp->lnum;
3913 }
3914 }
3915 break;
3916
3917 case '/':
3918 case '?': /* '/' or '?' - search */
3919 c = *cmd++;
3920 if (skip) /* skip "/pat/" */
3921 {
3922 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3923 if (*cmd == c)
3924 ++cmd;
3925 }
3926 else
3927 {
3928 pos = curwin->w_cursor; /* save curwin->w_cursor */
3929 /*
3930 * When '/' or '?' follows another address, start
3931 * from there.
3932 */
3933 if (lnum != MAXLNUM)
3934 curwin->w_cursor.lnum = lnum;
3935 /*
3936 * Start a forward search at the end of the line.
3937 * Start a backward search at the start of the line.
3938 * This makes sure we never match in the current
3939 * line, and can match anywhere in the
3940 * next/previous line.
3941 */
3942 if (c == '/')
3943 curwin->w_cursor.col = MAXCOL;
3944 else
3945 curwin->w_cursor.col = 0;
3946 searchcmdlen = 0;
3947 if (!do_search(NULL, c, cmd, 1L,
3948 SEARCH_HIS | SEARCH_MSG, NULL))
3949 {
3950 curwin->w_cursor = pos;
3951 cmd = NULL;
3952 goto error;
3953 }
3954 lnum = curwin->w_cursor.lnum;
3955 curwin->w_cursor = pos;
3956 /* adjust command string pointer */
3957 cmd += searchcmdlen;
3958 }
3959 break;
3960
3961 case '\\': /* "\?", "\/" or "\&", repeat search */
3962 ++cmd;
3963 if (*cmd == '&')
3964 i = RE_SUBST;
3965 else if (*cmd == '?' || *cmd == '/')
3966 i = RE_SEARCH;
3967 else
3968 {
3969 EMSG(_(e_backslash));
3970 cmd = NULL;
3971 goto error;
3972 }
3973
3974 if (!skip)
3975 {
3976 /*
3977 * When search follows another address, start from
3978 * there.
3979 */
3980 if (lnum != MAXLNUM)
3981 pos.lnum = lnum;
3982 else
3983 pos.lnum = curwin->w_cursor.lnum;
3984
3985 /*
3986 * Start the search just like for the above
3987 * do_search().
3988 */
3989 if (*cmd != '?')
3990 pos.col = MAXCOL;
3991 else
3992 pos.col = 0;
3993 if (searchit(curwin, curbuf, &pos,
3994 *cmd == '?' ? BACKWARD : FORWARD,
3995 (char_u *)"", 1L, SEARCH_MSG,
3996 i, (linenr_T)0, NULL) != FAIL)
3997 lnum = pos.lnum;
3998 else
3999 {
4000 cmd = NULL;
4001 goto error;
4002 }
4003 }
4004 ++cmd;
4005 break;
4006
4007 default:
4008 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4009 lnum = getdigits(&cmd);
4010 }
4011
4012 for (;;)
4013 {
4014 cmd = skipwhite(cmd);
4015 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4016 break;
4017
4018 if (lnum == MAXLNUM)
4019 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4020 if (VIM_ISDIGIT(*cmd))
4021 i = '+'; /* "number" is same as "+number" */
4022 else
4023 i = *cmd++;
4024 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4025 n = 1;
4026 else
4027 n = getdigits(&cmd);
4028 if (i == '-')
4029 lnum -= n;
4030 else
4031 lnum += n;
4032 }
4033 } while (*cmd == '/' || *cmd == '?');
4034
4035 error:
4036 *ptr = cmd;
4037 return lnum;
4038 }
4039
4040 /*
4041 * Get flags from an Ex command argument.
4042 */
4043 static void
4044 get_flags(eap)
4045 exarg_T *eap;
4046 {
4047 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4048 {
4049 if (*eap->arg == 'l')
4050 eap->flags |= EXFLAG_LIST;
4051 else if (*eap->arg == 'p')
4052 eap->flags |= EXFLAG_PRINT;
4053 else
4054 eap->flags |= EXFLAG_NR;
4055 eap->arg = skipwhite(eap->arg + 1);
4056 }
4057 }
4058
4059 /*
4060 * Function called for command which is Not Implemented. NI!
4061 */
4062 void
4063 ex_ni(eap)
4064 exarg_T *eap;
4065 {
4066 if (!eap->skip)
4067 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4068 }
4069
4070 #ifdef HAVE_EX_SCRIPT_NI
4071 /*
4072 * Function called for script command which is Not Implemented. NI!
4073 * Skips over ":perl <<EOF" constructs.
4074 */
4075 static void
4076 ex_script_ni(eap)
4077 exarg_T *eap;
4078 {
4079 if (!eap->skip)
4080 ex_ni(eap);
4081 else
4082 vim_free(script_get(eap, eap->arg));
4083 }
4084 #endif
4085
4086 /*
4087 * Check range in Ex command for validity.
4088 * Return NULL when valid, error message when invalid.
4089 */
4090 static char_u *
4091 invalid_range(eap)
4092 exarg_T *eap;
4093 {
4094 if ( eap->line1 < 0
4095 || eap->line2 < 0
4096 || eap->line1 > eap->line2
4097 || ((eap->argt & RANGE)
4098 && !(eap->argt & NOTADR)
4099 && eap->line2 > curbuf->b_ml.ml_line_count
4100 #ifdef FEAT_DIFF
4101 + (eap->cmdidx == CMD_diffget)
4102 #endif
4103 ))
4104 return (char_u *)_(e_invrange);
4105 return NULL;
4106 }
4107
4108 /*
4109 * Correct the range for zero line number, if required.
4110 */
4111 static void
4112 correct_range(eap)
4113 exarg_T *eap;
4114 {
4115 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4116 {
4117 if (eap->line1 == 0)
4118 eap->line1 = 1;
4119 if (eap->line2 == 0)
4120 eap->line2 = 1;
4121 }
4122 }
4123
4124 #ifdef FEAT_QUICKFIX
4125 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4126
4127 /*
4128 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4129 * pattern. Otherwise return eap->arg.
4130 */
4131 static char_u *
4132 skip_grep_pat(eap)
4133 exarg_T *eap;
4134 {
4135 char_u *p = eap->arg;
4136
4137 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4138 || eap->cmdidx == CMD_vimgrepadd
4139 || eap->cmdidx == CMD_lvimgrepadd
4140 || grep_internal(eap->cmdidx)))
4141 {
4142 p = skip_vimgrep_pat(p, NULL, NULL);
4143 if (p == NULL)
4144 p = eap->arg;
4145 }
4146 return p;
4147 }
4148
4149 /*
4150 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4151 * in the command line, so that things like % get expanded.
4152 */
4153 static char_u *
4154 replace_makeprg(eap, p, cmdlinep)
4155 exarg_T *eap;
4156 char_u *p;
4157 char_u **cmdlinep;
4158 {
4159 char_u *new_cmdline;
4160 char_u *program;
4161 char_u *pos;
4162 char_u *ptr;
4163 int len;
4164 int i;
4165
4166 /*
4167 * Don't do it when ":vimgrep" is used for ":grep".
4168 */
4169 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4170 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4171 || eap->cmdidx == CMD_grepadd
4172 || eap->cmdidx == CMD_lgrepadd)
4173 && !grep_internal(eap->cmdidx))
4174 {
4175 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4176 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4177 {
4178 if (*curbuf->b_p_gp == NUL)
4179 program = p_gp;
4180 else
4181 program = curbuf->b_p_gp;
4182 }
4183 else
4184 {
4185 if (*curbuf->b_p_mp == NUL)
4186 program = p_mp;
4187 else
4188 program = curbuf->b_p_mp;
4189 }
4190
4191 p = skipwhite(p);
4192
4193 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4194 {
4195 /* replace $* by given arguments */
4196 i = 1;
4197 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4198 ++i;
4199 len = (int)STRLEN(p);
4200 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4201 if (new_cmdline == NULL)
4202 return NULL; /* out of memory */
4203 ptr = new_cmdline;
4204 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4205 {
4206 i = (int)(pos - program);
4207 STRNCPY(ptr, program, i);
4208 STRCPY(ptr += i, p);
4209 ptr += len;
4210 program = pos + 2;
4211 }
4212 STRCPY(ptr, program);
4213 }
4214 else
4215 {
4216 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4217 if (new_cmdline == NULL)
4218 return NULL; /* out of memory */
4219 STRCPY(new_cmdline, program);
4220 STRCAT(new_cmdline, " ");
4221 STRCAT(new_cmdline, p);
4222 }
4223 msg_make(p);
4224
4225 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4226 vim_free(*cmdlinep);
4227 *cmdlinep = new_cmdline;
4228 p = new_cmdline;
4229 }
4230 return p;
4231 }
4232 #endif
4233
4234 /*
4235 * Expand file name in Ex command argument.
4236 * Return FAIL for failure, OK otherwise.
4237 */
4238 int
4239 expand_filename(eap, cmdlinep, errormsgp)
4240 exarg_T *eap;
4241 char_u **cmdlinep;
4242 char_u **errormsgp;
4243 {
4244 int has_wildcards; /* need to expand wildcards */
4245 char_u *repl;
4246 int srclen;
4247 char_u *p;
4248 int n;
4249 int escaped;
4250
4251 #ifdef FEAT_QUICKFIX
4252 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4253 p = skip_grep_pat(eap);
4254 #else
4255 p = eap->arg;
4256 #endif
4257
4258 /*
4259 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4260 * the file name contains a wildcard it should not cause expanding.
4261 * (it will be expanded anyway if there is a wildcard before replacing).
4262 */
4263 has_wildcards = mch_has_wildcard(p);
4264 while (*p != NUL)
4265 {
4266 #ifdef FEAT_EVAL
4267 /* Skip over `=expr`, wildcards in it are not expanded. */
4268 if (p[0] == '`' && p[1] == '=')
4269 {
4270 p += 2;
4271 (void)skip_expr(&p);
4272 if (*p == '`')
4273 ++p;
4274 continue;
4275 }
4276 #endif
4277 /*
4278 * Quick check if this cannot be the start of a special string.
4279 * Also removes backslash before '%', '#' and '<'.
4280 */
4281 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4282 {
4283 ++p;
4284 continue;
4285 }
4286
4287 /*
4288 * Try to find a match at this position.
4289 */
4290 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4291 errormsgp, &escaped);
4292 if (*errormsgp != NULL) /* error detected */
4293 return FAIL;
4294 if (repl == NULL) /* no match found */
4295 {
4296 p += srclen;
4297 continue;
4298 }
4299
4300 /* Wildcards won't be expanded below, the replacement is taken
4301 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4302 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4303 {
4304 char_u *l = repl;
4305
4306 repl = expand_env_save(repl);
4307 vim_free(l);
4308 }
4309
4310 /* Need to escape white space et al. with a backslash.
4311 * Don't do this for:
4312 * - replacement that already has been escaped: "##"
4313 * - shell commands (may have to use quotes instead).
4314 * - non-unix systems when there is a single argument (spaces don't
4315 * separate arguments then).
4316 */
4317 if (!eap->usefilter
4318 && !escaped
4319 && eap->cmdidx != CMD_bang
4320 && eap->cmdidx != CMD_make
4321 && eap->cmdidx != CMD_lmake
4322 && eap->cmdidx != CMD_grep
4323 && eap->cmdidx != CMD_lgrep
4324 && eap->cmdidx != CMD_grepadd
4325 && eap->cmdidx != CMD_lgrepadd
4326 #ifndef UNIX
4327 && !(eap->argt & NOSPC)
4328 #endif
4329 )
4330 {
4331 char_u *l;
4332 #ifdef BACKSLASH_IN_FILENAME
4333 /* Don't escape a backslash here, because rem_backslash() doesn't
4334 * remove it later. */
4335 static char_u *nobslash = (char_u *)" \t\"|";
4336 # define ESCAPE_CHARS nobslash
4337 #else
4338 # define ESCAPE_CHARS escape_chars
4339 #endif
4340
4341 for (l = repl; *l; ++l)
4342 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4343 {
4344 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4345 if (l != NULL)
4346 {
4347 vim_free(repl);
4348 repl = l;
4349 }
4350 break;
4351 }
4352 }
4353
4354 /* For a shell command a '!' must be escaped. */
4355 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4356 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4357 {
4358 char_u *l;
4359
4360 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4361 if (l != NULL)
4362 {
4363 vim_free(repl);
4364 repl = l;
4365 /* For a sh-like shell escape "!" another time. */
4366 if (strstr((char *)p_sh, "sh") != NULL)
4367 {
4368 l = vim_strsave_escaped(repl, (char_u *)"!");
4369 if (l != NULL)
4370 {
4371 vim_free(repl);
4372 repl = l;
4373 }
4374 }
4375 }
4376 }
4377
4378 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4379 vim_free(repl);
4380 if (p == NULL)
4381 return FAIL;
4382 }
4383
4384 /*
4385 * One file argument: Expand wildcards.
4386 * Don't do this with ":r !command" or ":w !command".
4387 */
4388 if ((eap->argt & NOSPC) && !eap->usefilter)
4389 {
4390 /*
4391 * May do this twice:
4392 * 1. Replace environment variables.
4393 * 2. Replace any other wildcards, remove backslashes.
4394 */
4395 for (n = 1; n <= 2; ++n)
4396 {
4397 if (n == 2)
4398 {
4399 #ifdef UNIX
4400 /*
4401 * Only for Unix we check for more than one file name.
4402 * For other systems spaces are considered to be part
4403 * of the file name.
4404 * Only check here if there is no wildcard, otherwise
4405 * ExpandOne() will check for errors. This allows
4406 * ":e `ls ve*.c`" on Unix.
4407 */
4408 if (!has_wildcards)
4409 for (p = eap->arg; *p; ++p)
4410 {
4411 /* skip escaped characters */
4412 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4413 ++p;
4414 else if (vim_iswhite(*p))
4415 {
4416 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4417 return FAIL;
4418 }
4419 }
4420 #endif
4421
4422 /*
4423 * Halve the number of backslashes (this is Vi compatible).
4424 * For Unix and OS/2, when wildcards are expanded, this is
4425 * done by ExpandOne() below.
4426 */
4427 #if defined(UNIX) || defined(OS2)
4428 if (!has_wildcards)
4429 #endif
4430 backslash_halve(eap->arg);
4431 }
4432
4433 if (has_wildcards)
4434 {
4435 if (n == 1)
4436 {
4437 /*
4438 * First loop: May expand environment variables. This
4439 * can be done much faster with expand_env() than with
4440 * something else (e.g., calling a shell).
4441 * After expanding environment variables, check again
4442 * if there are still wildcards present.
4443 */
4444 if (vim_strchr(eap->arg, '$') != NULL
4445 || vim_strchr(eap->arg, '~') != NULL)
4446 {
4447 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4448 TRUE, TRUE, NULL);
4449 has_wildcards = mch_has_wildcard(NameBuff);
4450 p = NameBuff;
4451 }
4452 else
4453 p = NULL;
4454 }
4455 else /* n == 2 */
4456 {
4457 expand_T xpc;
4458
4459 ExpandInit(&xpc);
4460 xpc.xp_context = EXPAND_FILES;
4461 p = ExpandOne(&xpc, eap->arg, NULL,
4462 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4463 WILD_EXPAND_FREE);
4464 if (p == NULL)
4465 return FAIL;
4466 }
4467 if (p != NULL)
4468 {
4469 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4470 p, cmdlinep);
4471 if (n == 2) /* p came from ExpandOne() */
4472 vim_free(p);
4473 }
4474 }
4475 }
4476 }
4477 return OK;
4478 }
4479
4480 /*
4481 * Replace part of the command line, keeping eap->cmd, eap->arg and
4482 * eap->nextcmd correct.
4483 * "src" points to the part that is to be replaced, of length "srclen".
4484 * "repl" is the replacement string.
4485 * Returns a pointer to the character after the replaced string.
4486 * Returns NULL for failure.
4487 */
4488 static char_u *
4489 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4490 exarg_T *eap;
4491 char_u *src;
4492 int srclen;
4493 char_u *repl;
4494 char_u **cmdlinep;
4495 {
4496 int len;
4497 int i;
4498 char_u *new_cmdline;
4499
4500 /*
4501 * The new command line is build in new_cmdline[].
4502 * First allocate it.
4503 * Careful: a "+cmd" argument may have been NUL terminated.
4504 */
4505 len = (int)STRLEN(repl);
4506 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4507 if (eap->nextcmd != NULL)
4508 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4509 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4510 return NULL; /* out of memory! */
4511
4512 /*
4513 * Copy the stuff before the expanded part.
4514 * Copy the expanded stuff.
4515 * Copy what came after the expanded part.
4516 * Copy the next commands, if there are any.
4517 */
4518 i = (int)(src - *cmdlinep); /* length of part before match */
4519 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4520
4521 mch_memmove(new_cmdline + i, repl, (size_t)len);
4522 i += len; /* remember the end of the string */
4523 STRCPY(new_cmdline + i, src + srclen);
4524 src = new_cmdline + i; /* remember where to continue */
4525
4526 if (eap->nextcmd != NULL) /* append next command */
4527 {
4528 i = (int)STRLEN(new_cmdline) + 1;
4529 STRCPY(new_cmdline + i, eap->nextcmd);
4530 eap->nextcmd = new_cmdline + i;
4531 }
4532 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4533 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4534 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4535 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4536 vim_free(*cmdlinep);
4537 *cmdlinep = new_cmdline;
4538
4539 return src;
4540 }
4541
4542 /*
4543 * Check for '|' to separate commands and '"' to start comments.
4544 */
4545 void
4546 separate_nextcmd(eap)
4547 exarg_T *eap;
4548 {
4549 char_u *p;
4550
4551 #ifdef FEAT_QUICKFIX
4552 p = skip_grep_pat(eap);
4553 #else
4554 p = eap->arg;
4555 #endif
4556
4557 for ( ; *p; mb_ptr_adv(p))
4558 {
4559 if (*p == Ctrl_V)
4560 {
4561 if (eap->argt & (USECTRLV | XFILE))
4562 ++p; /* skip CTRL-V and next char */
4563 else
4564 /* remove CTRL-V and skip next char */
4565 STRMOVE(p, p + 1);
4566 if (*p == NUL) /* stop at NUL after CTRL-V */
4567 break;
4568 }
4569
4570 #ifdef FEAT_EVAL
4571 /* Skip over `=expr` when wildcards are expanded. */
4572 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4573 {
4574 p += 2;
4575 (void)skip_expr(&p);
4576 }
4577 #endif
4578
4579 /* Check for '"': start of comment or '|': next command */
4580 /* :@" and :*" do not start a comment!
4581 * :redir @" doesn't either. */
4582 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4583 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4584 || p != eap->arg)
4585 && (eap->cmdidx != CMD_redir
4586 || p != eap->arg + 1 || p[-1] != '@'))
4587 || *p == '|' || *p == '\n')
4588 {
4589 /*
4590 * We remove the '\' before the '|', unless USECTRLV is used
4591 * AND 'b' is present in 'cpoptions'.
4592 */
4593 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4594 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4595 {
4596 STRMOVE(p - 1, p); /* remove the '\' */
4597 --p;
4598 }
4599 else
4600 {
4601 eap->nextcmd = check_nextcmd(p);
4602 *p = NUL;
4603 break;
4604 }
4605 }
4606 }
4607
4608 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4609 del_trailing_spaces(eap->arg);
4610 }
4611
4612 /*
4613 * get + command from ex argument
4614 */
4615 static char_u *
4616 getargcmd(argp)
4617 char_u **argp;
4618 {
4619 char_u *arg = *argp;
4620 char_u *command = NULL;
4621
4622 if (*arg == '+') /* +[command] */
4623 {
4624 ++arg;
4625 if (vim_isspace(*arg))
4626 command = dollar_command;
4627 else
4628 {
4629 command = arg;
4630 arg = skip_cmd_arg(command, TRUE);
4631 if (*arg != NUL)
4632 *arg++ = NUL; /* terminate command with NUL */
4633 }
4634
4635 arg = skipwhite(arg); /* skip over spaces */
4636 *argp = arg;
4637 }
4638 return command;
4639 }
4640
4641 /*
4642 * Find end of "+command" argument. Skip over "\ " and "\\".
4643 */
4644 static char_u *
4645 skip_cmd_arg(p, rembs)
4646 char_u *p;
4647 int rembs; /* TRUE to halve the number of backslashes */
4648 {
4649 while (*p && !vim_isspace(*p))
4650 {
4651 if (*p == '\\' && p[1] != NUL)
4652 {
4653 if (rembs)
4654 STRMOVE(p, p + 1);
4655 else
4656 ++p;
4657 }
4658 mb_ptr_adv(p);
4659 }
4660 return p;
4661 }
4662
4663 /*
4664 * Get "++opt=arg" argument.
4665 * Return FAIL or OK.
4666 */
4667 static int
4668 getargopt(eap)
4669 exarg_T *eap;
4670 {
4671 char_u *arg = eap->arg + 2;
4672 int *pp = NULL;
4673 #ifdef FEAT_MBYTE
4674 char_u *p;
4675 #endif
4676
4677 /* ":edit ++[no]bin[ary] file" */
4678 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4679 {
4680 if (*arg == 'n')
4681 {
4682 arg += 2;
4683 eap->force_bin = FORCE_NOBIN;
4684 }
4685 else
4686 eap->force_bin = FORCE_BIN;
4687 if (!checkforcmd(&arg, "binary", 3))
4688 return FAIL;
4689 eap->arg = skipwhite(arg);
4690 return OK;
4691 }
4692
4693 /* ":read ++edit file" */
4694 if (STRNCMP(arg, "edit", 4) == 0)
4695 {
4696 eap->read_edit = TRUE;
4697 eap->arg = skipwhite(arg + 4);
4698 return OK;
4699 }
4700
4701 if (STRNCMP(arg, "ff", 2) == 0)
4702 {
4703 arg += 2;
4704 pp = &eap->force_ff;
4705 }
4706 else if (STRNCMP(arg, "fileformat", 10) == 0)
4707 {
4708 arg += 10;
4709 pp = &eap->force_ff;
4710 }
4711 #ifdef FEAT_MBYTE
4712 else if (STRNCMP(arg, "enc", 3) == 0)
4713 {
4714 arg += 3;
4715 pp = &eap->force_enc;
4716 }
4717 else if (STRNCMP(arg, "encoding", 8) == 0)
4718 {
4719 arg += 8;
4720 pp = &eap->force_enc;
4721 }
4722 else if (STRNCMP(arg, "bad", 3) == 0)
4723 {
4724 arg += 3;
4725 pp = &eap->bad_char;
4726 }
4727 #endif
4728
4729 if (pp == NULL || *arg != '=')
4730 return FAIL;
4731
4732 ++arg;
4733 *pp = (int)(arg - eap->cmd);
4734 arg = skip_cmd_arg(arg, FALSE);
4735 eap->arg = skipwhite(arg);
4736 *arg = NUL;
4737
4738 #ifdef FEAT_MBYTE
4739 if (pp == &eap->force_ff)
4740 {
4741 #endif
4742 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4743 return FAIL;
4744 #ifdef FEAT_MBYTE
4745 }
4746 else if (pp == &eap->force_enc)
4747 {
4748 /* Make 'fileencoding' lower case. */
4749 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4750 *p = TOLOWER_ASC(*p);
4751 }
4752 else
4753 {
4754 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4755 * "drop". */
4756 p = eap->cmd + eap->bad_char;
4757 if (STRICMP(p, "keep") == 0)
4758 eap->bad_char = BAD_KEEP;
4759 else if (STRICMP(p, "drop") == 0)
4760 eap->bad_char = BAD_DROP;
4761 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4762 eap->bad_char = *p;
4763 else
4764 return FAIL;
4765 }
4766 #endif
4767
4768 return OK;
4769 }
4770
4771 /*
4772 * ":abbreviate" and friends.
4773 */
4774 static void
4775 ex_abbreviate(eap)
4776 exarg_T *eap;
4777 {
4778 do_exmap(eap, TRUE); /* almost the same as mapping */
4779 }
4780
4781 /*
4782 * ":map" and friends.
4783 */
4784 static void
4785 ex_map(eap)
4786 exarg_T *eap;
4787 {
4788 /*
4789 * If we are sourcing .exrc or .vimrc in current directory we
4790 * print the mappings for security reasons.
4791 */
4792 if (secure)
4793 {
4794 secure = 2;
4795 msg_outtrans(eap->cmd);
4796 msg_putchar('\n');
4797 }
4798 do_exmap(eap, FALSE);
4799 }
4800
4801 /*
4802 * ":unmap" and friends.
4803 */
4804 static void
4805 ex_unmap(eap)
4806 exarg_T *eap;
4807 {
4808 do_exmap(eap, FALSE);
4809 }
4810
4811 /*
4812 * ":mapclear" and friends.
4813 */
4814 static void
4815 ex_mapclear(eap)
4816 exarg_T *eap;
4817 {
4818 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4819 }
4820
4821 /*
4822 * ":abclear" and friends.
4823 */
4824 static void
4825 ex_abclear(eap)
4826 exarg_T *eap;
4827 {
4828 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4829 }
4830
4831 #ifdef FEAT_AUTOCMD
4832 static void
4833 ex_autocmd(eap)
4834 exarg_T *eap;
4835 {
4836 /*
4837 * Disallow auto commands from .exrc and .vimrc in current
4838 * directory for security reasons.
4839 */
4840 if (secure)
4841 {
4842 secure = 2;
4843 eap->errmsg = e_curdir;
4844 }
4845 else if (eap->cmdidx == CMD_autocmd)
4846 do_autocmd(eap->arg, eap->forceit);
4847 else
4848 do_augroup(eap->arg, eap->forceit);
4849 }
4850
4851 /*
4852 * ":doautocmd": Apply the automatic commands to the current buffer.
4853 */
4854 static void
4855 ex_doautocmd(eap)
4856 exarg_T *eap;
4857 {
4858 (void)do_doautocmd(eap->arg, TRUE);
4859 do_modelines(0);
4860 }
4861 #endif
4862
4863 #ifdef FEAT_LISTCMDS
4864 /*
4865 * :[N]bunload[!] [N] [bufname] unload buffer
4866 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4867 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4868 */
4869 static void
4870 ex_bunload(eap)
4871 exarg_T *eap;
4872 {
4873 eap->errmsg = do_bufdel(
4874 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4875 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4876 : DOBUF_UNLOAD, eap->arg,
4877 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4878 }
4879
4880 /*
4881 * :[N]buffer [N] to buffer N
4882 * :[N]sbuffer [N] to buffer N
4883 */
4884 static void
4885 ex_buffer(eap)
4886 exarg_T *eap;
4887 {
4888 if (*eap->arg)
4889 eap->errmsg = e_trailing;
4890 else
4891 {
4892 if (eap->addr_count == 0) /* default is current buffer */
4893 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4894 else
4895 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4896 }
4897 }
4898
4899 /*
4900 * :[N]bmodified [N] to next mod. buffer
4901 * :[N]sbmodified [N] to next mod. buffer
4902 */
4903 static void
4904 ex_bmodified(eap)
4905 exarg_T *eap;
4906 {
4907 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4908 }
4909
4910 /*
4911 * :[N]bnext [N] to next buffer
4912 * :[N]sbnext [N] split and to next buffer
4913 */
4914 static void
4915 ex_bnext(eap)
4916 exarg_T *eap;
4917 {
4918 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4919 }
4920
4921 /*
4922 * :[N]bNext [N] to previous buffer
4923 * :[N]bprevious [N] to previous buffer
4924 * :[N]sbNext [N] split and to previous buffer
4925 * :[N]sbprevious [N] split and to previous buffer
4926 */
4927 static void
4928 ex_bprevious(eap)
4929 exarg_T *eap;
4930 {
4931 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4932 }
4933
4934 /*
4935 * :brewind to first buffer
4936 * :bfirst to first buffer
4937 * :sbrewind split and to first buffer
4938 * :sbfirst split and to first buffer
4939 */
4940 static void
4941 ex_brewind(eap)
4942 exarg_T *eap;
4943 {
4944 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4945 }
4946
4947 /*
4948 * :blast to last buffer
4949 * :sblast split and to last buffer
4950 */
4951 static void
4952 ex_blast(eap)
4953 exarg_T *eap;
4954 {
4955 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4956 }
4957 #endif
4958
4959 int
4960 ends_excmd(c)
4961 int c;
4962 {
4963 return (c == NUL || c == '|' || c == '"' || c == '\n');
4964 }
4965
4966 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4967 || defined(PROTO)
4968 /*
4969 * Return the next command, after the first '|' or '\n'.
4970 * Return NULL if not found.
4971 */
4972 char_u *
4973 find_nextcmd(p)
4974 char_u *p;
4975 {
4976 while (*p != '|' && *p != '\n')
4977 {
4978 if (*p == NUL)
4979 return NULL;
4980 ++p;
4981 }
4982 return (p + 1);
4983 }
4984 #endif
4985
4986 /*
4987 * Check if *p is a separator between Ex commands.
4988 * Return NULL if it isn't, (p + 1) if it is.
4989 */
4990 char_u *
4991 check_nextcmd(p)
4992 char_u *p;
4993 {
4994 p = skipwhite(p);
4995 if (*p == '|' || *p == '\n')
4996 return (p + 1);
4997 else
4998 return NULL;
4999 }
5000
5001 /*
5002 * - if there are more files to edit
5003 * - and this is the last window
5004 * - and forceit not used
5005 * - and not repeated twice on a row
5006 * return FAIL and give error message if 'message' TRUE
5007 * return OK otherwise
5008 */
5009 static int
5010 check_more(message, forceit)
5011 int message; /* when FALSE check only, no messages */
5012 int forceit;
5013 {
5014 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5015
5016 if (!forceit && only_one_window()
5017 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5018 {
5019 if (message)
5020 {
5021 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5022 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5023 {
5024 char_u buff[IOSIZE];
5025
5026 if (n == 1)
5027 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5028 else
5029 vim_snprintf((char *)buff, IOSIZE,
5030 _("%d more files to edit. Quit anyway?"), n);
5031 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5032 return OK;
5033 return FAIL;
5034 }
5035 #endif
5036 if (n == 1)
5037 EMSG(_("E173: 1 more file to edit"));
5038 else
5039 EMSGN(_("E173: %ld more files to edit"), n);
5040 quitmore = 2; /* next try to quit is allowed */
5041 }
5042 return FAIL;
5043 }
5044 return OK;
5045 }
5046
5047 #ifdef FEAT_CMDL_COMPL
5048 /*
5049 * Function given to ExpandGeneric() to obtain the list of command names.
5050 */
5051 /*ARGSUSED*/
5052 char_u *
5053 get_command_name(xp, idx)
5054 expand_T *xp;
5055 int idx;
5056 {
5057 if (idx >= (int)CMD_SIZE)
5058 # ifdef FEAT_USR_CMDS
5059 return get_user_command_name(idx);
5060 # else
5061 return NULL;
5062 # endif
5063 return cmdnames[idx].cmd_name;
5064 }
5065 #endif
5066
5067 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5068 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));
5069 static void uc_list __ARGS((char_u *name, size_t name_len));
5070 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5071 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5072 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));
5073
5074 static int
5075 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5076 char_u *name;
5077 size_t name_len;
5078 char_u *rep;
5079 long argt;
5080 long def;
5081 int flags;
5082 int compl;
5083 char_u *compl_arg;
5084 int force;
5085 {
5086 ucmd_T *cmd = NULL;
5087 char_u *p;
5088 int i;
5089 int cmp = 1;
5090 char_u *rep_buf = NULL;
5091 garray_T *gap;
5092
5093 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5094 if (rep_buf == NULL)
5095 {
5096 /* Can't replace termcodes - try using the string as is */
5097 rep_buf = vim_strsave(rep);
5098
5099 /* Give up if out of memory */
5100 if (rep_buf == NULL)
5101 return FAIL;
5102 }
5103
5104 /* get address of growarray: global or in curbuf */
5105 if (flags & UC_BUFFER)
5106 {
5107 gap = &curbuf->b_ucmds;
5108 if (gap->ga_itemsize == 0)
5109 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5110 }
5111 else
5112 gap = &ucmds;
5113
5114 /* Search for the command in the already defined commands. */
5115 for (i = 0; i < gap->ga_len; ++i)
5116 {
5117 size_t len;
5118
5119 cmd = USER_CMD_GA(gap, i);
5120 len = STRLEN(cmd->uc_name);
5121 cmp = STRNCMP(name, cmd->uc_name, name_len);
5122 if (cmp == 0)
5123 {
5124 if (name_len < len)
5125 cmp = -1;
5126 else if (name_len > len)
5127 cmp = 1;
5128 }
5129
5130 if (cmp == 0)
5131 {
5132 if (!force)
5133 {
5134 EMSG(_("E174: Command already exists: add ! to replace it"));
5135 goto fail;
5136 }
5137
5138 vim_free(cmd->uc_rep);
5139 cmd->uc_rep = NULL;
5140 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5141 vim_free(cmd->uc_compl_arg);
5142 cmd->uc_compl_arg = NULL;
5143 #endif
5144 break;
5145 }
5146
5147 /* Stop as soon as we pass the name to add */
5148 if (cmp < 0)
5149 break;
5150 }
5151
5152 /* Extend the array unless we're replacing an existing command */
5153 if (cmp != 0)
5154 {
5155 if (ga_grow(gap, 1) != OK)
5156 goto fail;
5157 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5158 goto fail;
5159
5160 cmd = USER_CMD_GA(gap, i);
5161 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5162
5163 ++gap->ga_len;
5164
5165 cmd->uc_name = p;
5166 }
5167
5168 cmd->uc_rep = rep_buf;
5169 cmd->uc_argt = argt;
5170 cmd->uc_def = def;
5171 cmd->uc_compl = compl;
5172 #ifdef FEAT_EVAL
5173 cmd->uc_scriptID = current_SID;
5174 # ifdef FEAT_CMDL_COMPL
5175 cmd->uc_compl_arg = compl_arg;
5176 # endif
5177 #endif
5178
5179 return OK;
5180
5181 fail:
5182 vim_free(rep_buf);
5183 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5184 vim_free(compl_arg);
5185 #endif
5186 return FAIL;
5187 }
5188
5189 /*
5190 * List of names for completion for ":command" with the EXPAND_ flag.
5191 * Must be alphabetical for completion.
5192 */
5193 static struct
5194 {
5195 int expand;
5196 char *name;
5197 } command_complete[] =
5198 {
5199 {EXPAND_AUGROUP, "augroup"},
5200 {EXPAND_BUFFERS, "buffer"},
5201 {EXPAND_COMMANDS, "command"},
5202 #if defined(FEAT_CSCOPE)
5203 {EXPAND_CSCOPE, "cscope"},
5204 #endif
5205 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5206 {EXPAND_USER_DEFINED, "custom"},
5207 {EXPAND_USER_LIST, "customlist"},
5208 #endif
5209 {EXPAND_DIRECTORIES, "dir"},
5210 {EXPAND_ENV_VARS, "environment"},
5211 {EXPAND_EVENTS, "event"},
5212 {EXPAND_EXPRESSION, "expression"},
5213 {EXPAND_FILES, "file"},
5214 {EXPAND_FUNCTIONS, "function"},
5215 {EXPAND_HELP, "help"},
5216 {EXPAND_HIGHLIGHT, "highlight"},
5217 {EXPAND_MAPPINGS, "mapping"},
5218 {EXPAND_MENUS, "menu"},
5219 {EXPAND_SETTINGS, "option"},
5220 {EXPAND_SHELLCMD, "shellcmd"},
5221 {EXPAND_TAGS, "tag"},
5222 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5223 {EXPAND_USER_VARS, "var"},
5224 {0, NULL}
5225 };
5226
5227 static void
5228 uc_list(name, name_len)
5229 char_u *name;
5230 size_t name_len;
5231 {
5232 int i, j;
5233 int found = FALSE;
5234 ucmd_T *cmd;
5235 int len;
5236 long a;
5237 garray_T *gap;
5238
5239 gap = &curbuf->b_ucmds;
5240 for (;;)
5241 {
5242 for (i = 0; i < gap->ga_len; ++i)
5243 {
5244 cmd = USER_CMD_GA(gap, i);
5245 a = (long)cmd->uc_argt;
5246
5247 /* Skip commands which don't match the requested prefix */
5248 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5249 continue;
5250
5251 /* Put out the title first time */
5252 if (!found)
5253 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5254 found = TRUE;
5255 msg_putchar('\n');
5256 if (got_int)
5257 break;
5258
5259 /* Special cases */
5260 msg_putchar(a & BANG ? '!' : ' ');
5261 msg_putchar(a & REGSTR ? '"' : ' ');
5262 msg_putchar(gap != &ucmds ? 'b' : ' ');
5263 msg_putchar(' ');
5264
5265 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5266 len = (int)STRLEN(cmd->uc_name) + 4;
5267
5268 do {
5269 msg_putchar(' ');
5270 ++len;
5271 } while (len < 16);
5272
5273 len = 0;
5274
5275 /* Arguments */
5276 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5277 {
5278 case 0: IObuff[len++] = '0'; break;
5279 case (EXTRA): IObuff[len++] = '*'; break;
5280 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5281 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5282 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5283 }
5284
5285 do {
5286 IObuff[len++] = ' ';
5287 } while (len < 5);
5288
5289 /* Range */
5290 if (a & (RANGE|COUNT))
5291 {
5292 if (a & COUNT)
5293 {
5294 /* -count=N */
5295 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5296 len += (int)STRLEN(IObuff + len);
5297 }
5298 else if (a & DFLALL)
5299 IObuff[len++] = '%';
5300 else if (cmd->uc_def >= 0)
5301 {
5302 /* -range=N */
5303 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5304 len += (int)STRLEN(IObuff + len);
5305 }
5306 else
5307 IObuff[len++] = '.';
5308 }
5309
5310 do {
5311 IObuff[len++] = ' ';
5312 } while (len < 11);
5313
5314 /* Completion */
5315 for (j = 0; command_complete[j].expand != 0; ++j)
5316 if (command_complete[j].expand == cmd->uc_compl)
5317 {
5318 STRCPY(IObuff + len, command_complete[j].name);
5319 len += (int)STRLEN(IObuff + len);
5320 break;
5321 }
5322
5323 do {
5324 IObuff[len++] = ' ';
5325 } while (len < 21);
5326
5327 IObuff[len] = '\0';
5328 msg_outtrans(IObuff);
5329
5330 msg_outtrans_special(cmd->uc_rep, FALSE);
5331 #ifdef FEAT_EVAL
5332 if (p_verbose > 0)
5333 last_set_msg(cmd->uc_scriptID);
5334 #endif
5335 out_flush();
5336 ui_breakcheck();
5337 if (got_int)
5338 break;
5339 }
5340 if (gap == &ucmds || i < gap->ga_len)
5341 break;
5342 gap = &ucmds;
5343 }
5344
5345 if (!found)
5346 MSG(_("No user-defined commands found"));
5347 }
5348
5349 static char_u *
5350 uc_fun_cmd()
5351 {
5352 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5353 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5354 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5355 0xb9, 0x7f, 0};
5356 int i;
5357
5358 for (i = 0; fcmd[i]; ++i)
5359 IObuff[i] = fcmd[i] - 0x40;
5360 IObuff[i] = 0;
5361 return IObuff;
5362 }
5363
5364 static int
5365 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5366 char_u *attr;
5367 size_t len;
5368 long *argt;
5369 long *def;
5370 int *flags;
5371 int *compl;
5372 char_u **compl_arg;
5373 {
5374 char_u *p;
5375
5376 if (len == 0)
5377 {
5378 EMSG(_("E175: No attribute specified"));
5379 return FAIL;
5380 }
5381
5382 /* First, try the simple attributes (no arguments) */
5383 if (STRNICMP(attr, "bang", len) == 0)
5384 *argt |= BANG;
5385 else if (STRNICMP(attr, "buffer", len) == 0)
5386 *flags |= UC_BUFFER;
5387 else if (STRNICMP(attr, "register", len) == 0)
5388 *argt |= REGSTR;
5389 else if (STRNICMP(attr, "bar", len) == 0)
5390 *argt |= TRLBAR;
5391 else
5392 {
5393 int i;
5394 char_u *val = NULL;
5395 size_t vallen = 0;
5396 size_t attrlen = len;
5397
5398 /* Look for the attribute name - which is the part before any '=' */
5399 for (i = 0; i < (int)len; ++i)
5400 {
5401 if (attr[i] == '=')
5402 {
5403 val = &attr[i + 1];
5404 vallen = len - i - 1;
5405 attrlen = i;
5406 break;
5407 }
5408 }
5409
5410 if (STRNICMP(attr, "nargs", attrlen) == 0)
5411 {
5412 if (vallen == 1)
5413 {
5414 if (*val == '0')
5415 /* Do nothing - this is the default */;
5416 else if (*val == '1')
5417 *argt |= (EXTRA | NOSPC | NEEDARG);
5418 else if (*val == '*')
5419 *argt |= EXTRA;
5420 else if (*val == '?')
5421 *argt |= (EXTRA | NOSPC);
5422 else if (*val == '+')
5423 *argt |= (EXTRA | NEEDARG);
5424 else
5425 goto wrong_nargs;
5426 }
5427 else
5428 {
5429 wrong_nargs:
5430 EMSG(_("E176: Invalid number of arguments"));
5431 return FAIL;
5432 }
5433 }
5434 else if (STRNICMP(attr, "range", attrlen) == 0)
5435 {
5436 *argt |= RANGE;
5437 if (vallen == 1 && *val == '%')
5438 *argt |= DFLALL;
5439 else if (val != NULL)
5440 {
5441 p = val;
5442 if (*def >= 0)
5443 {
5444 two_count:
5445 EMSG(_("E177: Count cannot be specified twice"));
5446 return FAIL;
5447 }
5448
5449 *def = getdigits(&p);
5450 *argt |= (ZEROR | NOTADR);
5451
5452 if (p != val + vallen || vallen == 0)
5453 {
5454 invalid_count:
5455 EMSG(_("E178: Invalid default value for count"));
5456 return FAIL;
5457 }
5458 }
5459 }
5460 else if (STRNICMP(attr, "count", attrlen) == 0)
5461 {
5462 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5463
5464 if (val != NULL)
5465 {
5466 p = val;
5467 if (*def >= 0)
5468 goto two_count;
5469
5470 *def = getdigits(&p);
5471
5472 if (p != val + vallen)
5473 goto invalid_count;
5474 }
5475
5476 if (*def < 0)
5477 *def = 0;
5478 }
5479 else if (STRNICMP(attr, "complete", attrlen) == 0)
5480 {
5481 if (val == NULL)
5482 {
5483 EMSG(_("E179: argument required for -complete"));
5484 return FAIL;
5485 }
5486
5487 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5488 == FAIL)
5489 return FAIL;
5490 }
5491 else
5492 {
5493 char_u ch = attr[len];
5494 attr[len] = '\0';
5495 EMSG2(_("E181: Invalid attribute: %s"), attr);
5496 attr[len] = ch;
5497 return FAIL;
5498 }
5499 }
5500
5501 return OK;
5502 }
5503
5504 /*
5505 * ":command ..."
5506 */
5507 static void
5508 ex_command(eap)
5509 exarg_T *eap;
5510 {
5511 char_u *name;
5512 char_u *end;
5513 char_u *p;
5514 long argt = 0;
5515 long def = -1;
5516 int flags = 0;
5517 int compl = EXPAND_NOTHING;
5518 char_u *compl_arg = NULL;
5519 int has_attr = (eap->arg[0] == '-');
5520
5521 p = eap->arg;
5522
5523 /* Check for attributes */
5524 while (*p == '-')
5525 {
5526 ++p;
5527 end = skiptowhite(p);
5528 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5529 == FAIL)
5530 return;
5531 p = skipwhite(end);
5532 }
5533
5534 /* Get the name (if any) and skip to the following argument */
5535 name = p;
5536 if (ASCII_ISALPHA(*p))
5537 while (ASCII_ISALNUM(*p))
5538 ++p;
5539 if (!ends_excmd(*p) && !vim_iswhite(*p))
5540 {
5541 EMSG(_("E182: Invalid command name"));
5542 return;
5543 }
5544 end = p;
5545
5546 /* If there is nothing after the name, and no attributes were specified,
5547 * we are listing commands
5548 */
5549 p = skipwhite(end);
5550 if (!has_attr && ends_excmd(*p))
5551 {
5552 uc_list(name, end - name);
5553 }
5554 else if (!ASCII_ISUPPER(*name))
5555 {
5556 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5557 return;
5558 }
5559 else
5560 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5561 eap->forceit);
5562 }
5563
5564 /*
5565 * ":comclear"
5566 * Clear all user commands, global and for current buffer.
5567 */
5568 /*ARGSUSED*/
5569 void
5570 ex_comclear(eap)
5571 exarg_T *eap;
5572 {
5573 uc_clear(&ucmds);
5574 uc_clear(&curbuf->b_ucmds);
5575 }
5576
5577 /*
5578 * Clear all user commands for "gap".
5579 */
5580 void
5581 uc_clear(gap)
5582 garray_T *gap;
5583 {
5584 int i;
5585 ucmd_T *cmd;
5586
5587 for (i = 0; i < gap->ga_len; ++i)
5588 {
5589 cmd = USER_CMD_GA(gap, i);
5590 vim_free(cmd->uc_name);
5591 vim_free(cmd->uc_rep);
5592 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5593 vim_free(cmd->uc_compl_arg);
5594 # endif
5595 }
5596 ga_clear(gap);
5597 }
5598
5599 static void
5600 ex_delcommand(eap)
5601 exarg_T *eap;
5602 {
5603 int i = 0;
5604 ucmd_T *cmd = NULL;
5605 int cmp = -1;
5606 garray_T *gap;
5607
5608 gap = &curbuf->b_ucmds;
5609 for (;;)
5610 {
5611 for (i = 0; i < gap->ga_len; ++i)
5612 {
5613 cmd = USER_CMD_GA(gap, i);
5614 cmp = STRCMP(eap->arg, cmd->uc_name);
5615 if (cmp <= 0)
5616 break;
5617 }
5618 if (gap == &ucmds || cmp == 0)
5619 break;
5620 gap = &ucmds;
5621 }
5622
5623 if (cmp != 0)
5624 {
5625 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5626 return;
5627 }
5628
5629 vim_free(cmd->uc_name);
5630 vim_free(cmd->uc_rep);
5631 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5632 vim_free(cmd->uc_compl_arg);
5633 # endif
5634
5635 --gap->ga_len;
5636
5637 if (i < gap->ga_len)
5638 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5639 }
5640
5641 /*
5642 * split and quote args for <f-args>
5643 */
5644 static char_u *
5645 uc_split_args(arg, lenp)
5646 char_u *arg;
5647 size_t *lenp;
5648 {
5649 char_u *buf;
5650 char_u *p;
5651 char_u *q;
5652 int len;
5653
5654 /* Precalculate length */
5655 p = arg;
5656 len = 2; /* Initial and final quotes */
5657
5658 while (*p)
5659 {
5660 if (p[0] == '\\' && p[1] == '\\')
5661 {
5662 len += 2;
5663 p += 2;
5664 }
5665 else if (p[0] == '\\' && vim_iswhite(p[1]))
5666 {
5667 len += 1;
5668 p += 2;
5669 }
5670 else if (*p == '\\' || *p == '"')
5671 {
5672 len += 2;
5673 p += 1;
5674 }
5675 else if (vim_iswhite(*p))
5676 {
5677 p = skipwhite(p);
5678 if (*p == NUL)
5679 break;
5680 len += 3; /* "," */
5681 }
5682 else
5683 {
5684 ++len;
5685 ++p;
5686 }
5687 }
5688
5689 buf = alloc(len + 1);
5690 if (buf == NULL)
5691 {
5692 *lenp = 0;
5693 return buf;
5694 }
5695
5696 p = arg;
5697 q = buf;
5698 *q++ = '"';
5699 while (*p)
5700 {
5701 if (p[0] == '\\' && p[1] == '\\')
5702 {
5703 *q++ = '\\';
5704 *q++ = '\\';
5705 p += 2;
5706 }
5707 else if (p[0] == '\\' && vim_iswhite(p[1]))
5708 {
5709 *q++ = p[1];
5710 p += 2;
5711 }
5712 else if (*p == '\\' || *p == '"')
5713 {
5714 *q++ = '\\';
5715 *q++ = *p++;
5716 }
5717 else if (vim_iswhite(*p))
5718 {
5719 p = skipwhite(p);
5720 if (*p == NUL)
5721 break;
5722 *q++ = '"';
5723 *q++ = ',';
5724 *q++ = '"';
5725 }
5726 else
5727 {
5728 *q++ = *p++;
5729 }
5730 }
5731 *q++ = '"';
5732 *q = 0;
5733
5734 *lenp = len;
5735 return buf;
5736 }
5737
5738 /*
5739 * Check for a <> code in a user command.
5740 * "code" points to the '<'. "len" the length of the <> (inclusive).
5741 * "buf" is where the result is to be added.
5742 * "split_buf" points to a buffer used for splitting, caller should free it.
5743 * "split_len" is the length of what "split_buf" contains.
5744 * Returns the length of the replacement, which has been added to "buf".
5745 * Returns -1 if there was no match, and only the "<" has been copied.
5746 */
5747 static size_t
5748 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5749 char_u *code;
5750 size_t len;
5751 char_u *buf;
5752 ucmd_T *cmd; /* the user command we're expanding */
5753 exarg_T *eap; /* ex arguments */
5754 char_u **split_buf;
5755 size_t *split_len;
5756 {
5757 size_t result = 0;
5758 char_u *p = code + 1;
5759 size_t l = len - 2;
5760 int quote = 0;
5761 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5762 ct_LT, ct_NONE } type = ct_NONE;
5763
5764 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5765 {
5766 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5767 p += 2;
5768 l -= 2;
5769 }
5770
5771 ++l;
5772 if (l <= 1)
5773 type = ct_NONE;
5774 else if (STRNICMP(p, "args>", l) == 0)
5775 type = ct_ARGS;
5776 else if (STRNICMP(p, "bang>", l) == 0)
5777 type = ct_BANG;
5778 else if (STRNICMP(p, "count>", l) == 0)
5779 type = ct_COUNT;
5780 else if (STRNICMP(p, "line1>", l) == 0)
5781 type = ct_LINE1;
5782 else if (STRNICMP(p, "line2>", l) == 0)
5783 type = ct_LINE2;
5784 else if (STRNICMP(p, "lt>", l) == 0)
5785 type = ct_LT;
5786 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5787 type = ct_REGISTER;
5788
5789 switch (type)
5790 {
5791 case ct_ARGS:
5792 /* Simple case first */
5793 if (*eap->arg == NUL)
5794 {
5795 if (quote == 1)
5796 {
5797 result = 2;
5798 if (buf != NULL)
5799 STRCPY(buf, "''");
5800 }
5801 else
5802 result = 0;
5803 break;
5804 }
5805
5806 /* When specified there is a single argument don't split it.
5807 * Works for ":Cmd %" when % is "a b c". */
5808 if ((eap->argt & NOSPC) && quote == 2)
5809 quote = 1;
5810
5811 switch (quote)
5812 {
5813 case 0: /* No quoting, no splitting */
5814 result = STRLEN(eap->arg);
5815 if (buf != NULL)
5816 STRCPY(buf, eap->arg);
5817 break;
5818 case 1: /* Quote, but don't split */
5819 result = STRLEN(eap->arg) + 2;
5820 for (p = eap->arg; *p; ++p)
5821 {
5822 if (*p == '\\' || *p == '"')
5823 ++result;
5824 }
5825
5826 if (buf != NULL)
5827 {
5828 *buf++ = '"';
5829 for (p = eap->arg; *p; ++p)
5830 {
5831 if (*p == '\\' || *p == '"')
5832 *buf++ = '\\';
5833 *buf++ = *p;
5834 }
5835 *buf = '"';
5836 }
5837
5838 break;
5839 case 2: /* Quote and split (<f-args>) */
5840 /* This is hard, so only do it once, and cache the result */
5841 if (*split_buf == NULL)
5842 *split_buf = uc_split_args(eap->arg, split_len);
5843
5844 result = *split_len;
5845 if (buf != NULL && result != 0)
5846 STRCPY(buf, *split_buf);
5847
5848 break;
5849 }
5850 break;
5851
5852 case ct_BANG:
5853 result = eap->forceit ? 1 : 0;
5854 if (quote)
5855 result += 2;
5856 if (buf != NULL)
5857 {
5858 if (quote)
5859 *buf++ = '"';
5860 if (eap->forceit)
5861 *buf++ = '!';
5862 if (quote)
5863 *buf = '"';
5864 }
5865 break;
5866
5867 case ct_LINE1:
5868 case ct_LINE2:
5869 case ct_COUNT:
5870 {
5871 char num_buf[20];
5872 long num = (type == ct_LINE1) ? eap->line1 :
5873 (type == ct_LINE2) ? eap->line2 :
5874 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5875 size_t num_len;
5876
5877 sprintf(num_buf, "%ld", num);
5878 num_len = STRLEN(num_buf);
5879 result = num_len;
5880
5881 if (quote)
5882 result += 2;
5883
5884 if (buf != NULL)
5885 {
5886 if (quote)
5887 *buf++ = '"';
5888 STRCPY(buf, num_buf);
5889 buf += num_len;
5890 if (quote)
5891 *buf = '"';
5892 }
5893
5894 break;
5895 }
5896
5897 case ct_REGISTER:
5898 result = eap->regname ? 1 : 0;
5899 if (quote)
5900 result += 2;
5901 if (buf != NULL)
5902 {
5903 if (quote)
5904 *buf++ = '\'';
5905 if (eap->regname)
5906 *buf++ = eap->regname;
5907 if (quote)
5908 *buf = '\'';
5909 }
5910 break;
5911
5912 case ct_LT:
5913 result = 1;
5914 if (buf != NULL)
5915 *buf = '<';
5916 break;
5917
5918 default:
5919 /* Not recognized: just copy the '<' and return -1. */
5920 result = (size_t)-1;
5921 if (buf != NULL)
5922 *buf = '<';
5923 break;
5924 }
5925
5926 return result;
5927 }
5928
5929 static void
5930 do_ucmd(eap)
5931 exarg_T *eap;
5932 {
5933 char_u *buf;
5934 char_u *p;
5935 char_u *q;
5936
5937 char_u *start;
5938 char_u *end = NULL;
5939 char_u *ksp;
5940 size_t len, totlen;
5941
5942 size_t split_len = 0;
5943 char_u *split_buf = NULL;
5944 ucmd_T *cmd;
5945 #ifdef FEAT_EVAL
5946 scid_T save_current_SID = current_SID;
5947 #endif
5948
5949 if (eap->cmdidx == CMD_USER)
5950 cmd = USER_CMD(eap->useridx);
5951 else
5952 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5953
5954 /*
5955 * Replace <> in the command by the arguments.
5956 * First round: "buf" is NULL, compute length, allocate "buf".
5957 * Second round: copy result into "buf".
5958 */
5959 buf = NULL;
5960 for (;;)
5961 {
5962 p = cmd->uc_rep; /* source */
5963 q = buf; /* destination */
5964 totlen = 0;
5965
5966 for (;;)
5967 {
5968 start = vim_strchr(p, '<');
5969 if (start != NULL)
5970 end = vim_strchr(start + 1, '>');
5971 if (buf != NULL)
5972 {
5973 ksp = vim_strchr(p, K_SPECIAL);
5974 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5975 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5976 # ifdef FEAT_GUI
5977 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5978 # endif
5979 ))
5980 {
5981 /* K_SPECIAL han been put in the buffer as K_SPECIAL
5982 * KS_SPECIAL KE_FILLER, like for mappings, but
5983 * do_cmdline() doesn't handle that, so convert it back.
5984 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
5985 len = ksp - p;
5986 if (len > 0)
5987 {
5988 mch_memmove(q, p, len);
5989 q += len;
5990 }
5991 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
5992 p = ksp + 3;
5993 continue;
5994 }
5995 }
5996
5997 /* break if there no <item> is found */
5998 if (start == NULL || end == NULL)
5999 break;
6000
6001 /* Include the '>' */
6002 ++end;
6003
6004 /* Take everything up to the '<' */
6005 len = start - p;
6006 if (buf == NULL)
6007 totlen += len;
6008 else
6009 {
6010 mch_memmove(q, p, len);
6011 q += len;
6012 }
6013
6014 len = uc_check_code(start, end - start, q, cmd, eap,
6015 &split_buf, &split_len);
6016 if (len == (size_t)-1)
6017 {
6018 /* no match, continue after '<' */
6019 p = start + 1;
6020 len = 1;
6021 }
6022 else
6023 p = end;
6024 if (buf == NULL)
6025 totlen += len;
6026 else
6027 q += len;
6028 }
6029 if (buf != NULL) /* second time here, finished */
6030 {
6031 STRCPY(q, p);
6032 break;
6033 }
6034
6035 totlen += STRLEN(p); /* Add on the trailing characters */
6036 buf = alloc((unsigned)(totlen + 1));
6037 if (buf == NULL)
6038 {
6039 vim_free(split_buf);
6040 return;
6041 }
6042 }
6043
6044 #ifdef FEAT_EVAL
6045 current_SID = cmd->uc_scriptID;
6046 #endif
6047 (void)do_cmdline(buf, eap->getline, eap->cookie,
6048 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6049 #ifdef FEAT_EVAL
6050 current_SID = save_current_SID;
6051 #endif
6052 vim_free(buf);
6053 vim_free(split_buf);
6054 }
6055
6056 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6057 static char_u *
6058 get_user_command_name(idx)
6059 int idx;
6060 {
6061 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6062 }
6063
6064 /*
6065 * Function given to ExpandGeneric() to obtain the list of user command names.
6066 */
6067 /*ARGSUSED*/
6068 char_u *
6069 get_user_commands(xp, idx)
6070 expand_T *xp;
6071 int idx;
6072 {
6073 if (idx < curbuf->b_ucmds.ga_len)
6074 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6075 idx -= curbuf->b_ucmds.ga_len;
6076 if (idx < ucmds.ga_len)
6077 return USER_CMD(idx)->uc_name;
6078 return NULL;
6079 }
6080
6081 /*
6082 * Function given to ExpandGeneric() to obtain the list of user command
6083 * attributes.
6084 */
6085 /*ARGSUSED*/
6086 char_u *
6087 get_user_cmd_flags(xp, idx)
6088 expand_T *xp;
6089 int idx;
6090 {
6091 static char *user_cmd_flags[] =
6092 {"bang", "bar", "buffer", "complete", "count",
6093 "nargs", "range", "register"};
6094
6095 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6096 return NULL;
6097 return (char_u *)user_cmd_flags[idx];
6098 }
6099
6100 /*
6101 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6102 */
6103 /*ARGSUSED*/
6104 char_u *
6105 get_user_cmd_nargs(xp, idx)
6106 expand_T *xp;
6107 int idx;
6108 {
6109 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6110
6111 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6112 return NULL;
6113 return (char_u *)user_cmd_nargs[idx];
6114 }
6115
6116 /*
6117 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6118 */
6119 /*ARGSUSED*/
6120 char_u *
6121 get_user_cmd_complete(xp, idx)
6122 expand_T *xp;
6123 int idx;
6124 {
6125 return (char_u *)command_complete[idx].name;
6126 }
6127 # endif /* FEAT_CMDL_COMPL */
6128
6129 #endif /* FEAT_USR_CMDS */
6130
6131 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6132 /*
6133 * Parse a completion argument "value[vallen]".
6134 * The detected completion goes in "*complp", argument type in "*argt".
6135 * When there is an argument, for function and user defined completion, it's
6136 * copied to allocated memory and stored in "*compl_arg".
6137 * Returns FAIL if something is wrong.
6138 */
6139 int
6140 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6141 char_u *value;
6142 int vallen;
6143 int *complp;
6144 long *argt;
6145 char_u **compl_arg;
6146 {
6147 char_u *arg = NULL;
6148 size_t arglen = 0;
6149 int i;
6150 int valend = vallen;
6151
6152 /* Look for any argument part - which is the part after any ',' */
6153 for (i = 0; i < vallen; ++i)
6154 {
6155 if (value[i] == ',')
6156 {
6157 arg = &value[i + 1];
6158 arglen = vallen - i - 1;
6159 valend = i;
6160 break;
6161 }
6162 }
6163
6164 for (i = 0; command_complete[i].expand != 0; ++i)
6165 {
6166 if ((int)STRLEN(command_complete[i].name) == valend
6167 && STRNCMP(value, command_complete[i].name, valend) == 0)
6168 {
6169 *complp = command_complete[i].expand;
6170 if (command_complete[i].expand == EXPAND_BUFFERS)
6171 *argt |= BUFNAME;
6172 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6173 || command_complete[i].expand == EXPAND_FILES)
6174 *argt |= XFILE;
6175 break;
6176 }
6177 }
6178
6179 if (command_complete[i].expand == 0)
6180 {
6181 EMSG2(_("E180: Invalid complete value: %s"), value);
6182 return FAIL;
6183 }
6184
6185 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6186 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6187 && arg != NULL)
6188 # else
6189 if (arg != NULL)
6190 # endif
6191 {
6192 EMSG(_("E468: Completion argument only allowed for custom completion"));
6193 return FAIL;
6194 }
6195
6196 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6197 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6198 && arg == NULL)
6199 {
6200 EMSG(_("E467: Custom completion requires a function argument"));
6201 return FAIL;
6202 }
6203
6204 if (arg != NULL)
6205 *compl_arg = vim_strnsave(arg, (int)arglen);
6206 # endif
6207 return OK;
6208 }
6209 #endif
6210
6211 static void
6212 ex_colorscheme(eap)
6213 exarg_T *eap;
6214 {
6215 if (load_colors(eap->arg) == FAIL)
6216 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6217 }
6218
6219 static void
6220 ex_highlight(eap)
6221 exarg_T *eap;
6222 {
6223 if (*eap->arg == NUL && eap->cmd[2] == '!')
6224 MSG(_("Greetings, Vim user!"));
6225 do_highlight(eap->arg, eap->forceit, FALSE);
6226 }
6227
6228
6229 /*
6230 * Call this function if we thought we were going to exit, but we won't
6231 * (because of an error). May need to restore the terminal mode.
6232 */
6233 void
6234 not_exiting()
6235 {
6236 exiting = FALSE;
6237 settmode(TMODE_RAW);
6238 }
6239
6240 /*
6241 * ":quit": quit current window, quit Vim if closed the last window.
6242 */
6243 static void
6244 ex_quit(eap)
6245 exarg_T *eap;
6246 {
6247 #ifdef FEAT_CMDWIN
6248 if (cmdwin_type != 0)
6249 {
6250 cmdwin_result = Ctrl_C;
6251 return;
6252 }
6253 #endif
6254 /* Don't quit while editing the command line. */
6255 if (text_locked())
6256 {
6257 text_locked_msg();
6258 return;
6259 }
6260 #ifdef FEAT_AUTOCMD
6261 if (curbuf_locked())
6262 return;
6263 #endif
6264
6265 #ifdef FEAT_NETBEANS_INTG
6266 netbeansForcedQuit = eap->forceit;
6267 #endif
6268
6269 /*
6270 * If there are more files or windows we won't exit.
6271 */
6272 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6273 exiting = TRUE;
6274 if ((!P_HID(curbuf)
6275 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6276 || check_more(TRUE, eap->forceit) == FAIL
6277 || (only_one_window() && check_changed_any(eap->forceit)))
6278 {
6279 not_exiting();
6280 }
6281 else
6282 {
6283 #ifdef FEAT_WINDOWS
6284 if (only_one_window()) /* quit last window */
6285 #endif
6286 getout(0);
6287 #ifdef FEAT_WINDOWS
6288 # ifdef FEAT_GUI
6289 need_mouse_correct = TRUE;
6290 # endif
6291 /* close window; may free buffer */
6292 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6293 #endif
6294 }
6295 }
6296
6297 /*
6298 * ":cquit".
6299 */
6300 /*ARGSUSED*/
6301 static void
6302 ex_cquit(eap)
6303 exarg_T *eap;
6304 {
6305 getout(1); /* this does not always pass on the exit code to the Manx
6306 compiler. why? */
6307 }
6308
6309 /*
6310 * ":qall": try to quit all windows
6311 */
6312 static void
6313 ex_quit_all(eap)
6314 exarg_T *eap;
6315 {
6316 # ifdef FEAT_CMDWIN
6317 if (cmdwin_type != 0)
6318 {
6319 if (eap->forceit)
6320 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6321 else
6322 cmdwin_result = K_XF2;
6323 return;
6324 }
6325 # endif
6326
6327 /* Don't quit while editing the command line. */
6328 if (text_locked())
6329 {
6330 text_locked_msg();
6331 return;
6332 }
6333 #ifdef FEAT_AUTOCMD
6334 if (curbuf_locked())
6335 return;
6336 #endif
6337
6338 exiting = TRUE;
6339 if (eap->forceit || !check_changed_any(FALSE))
6340 getout(0);
6341 not_exiting();
6342 }
6343
6344 #if defined(FEAT_WINDOWS) || defined(PROTO)
6345 /*
6346 * ":close": close current window, unless it is the last one
6347 */
6348 static void
6349 ex_close(eap)
6350 exarg_T *eap;
6351 {
6352 # ifdef FEAT_CMDWIN
6353 if (cmdwin_type != 0)
6354 cmdwin_result = K_IGNORE;
6355 else
6356 # endif
6357 if (!text_locked()
6358 #ifdef FEAT_AUTOCMD
6359 && !curbuf_locked()
6360 #endif
6361 )
6362 ex_win_close(eap->forceit, curwin, NULL);
6363 }
6364
6365 # ifdef FEAT_QUICKFIX
6366 /*
6367 * ":pclose": Close any preview window.
6368 */
6369 static void
6370 ex_pclose(eap)
6371 exarg_T *eap;
6372 {
6373 win_T *win;
6374
6375 for (win = firstwin; win != NULL; win = win->w_next)
6376 if (win->w_p_pvw)
6377 {
6378 ex_win_close(eap->forceit, win, NULL);
6379 break;
6380 }
6381 }
6382 # endif
6383
6384 /*
6385 * Close window "win" and take care of handling closing the last window for a
6386 * modified buffer.
6387 */
6388 static void
6389 ex_win_close(forceit, win, tp)
6390 int forceit;
6391 win_T *win;
6392 tabpage_T *tp; /* NULL or the tab page "win" is in */
6393 {
6394 int need_hide;
6395 buf_T *buf = win->w_buffer;
6396
6397 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6398 if (need_hide && !P_HID(buf) && !forceit)
6399 {
6400 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6401 if ((p_confirm || cmdmod.confirm) && p_write)
6402 {
6403 dialog_changed(buf, FALSE);
6404 if (buf_valid(buf) && bufIsChanged(buf))
6405 return;
6406 need_hide = FALSE;
6407 }
6408 else
6409 # endif
6410 {
6411 EMSG(_(e_nowrtmsg));
6412 return;
6413 }
6414 }
6415
6416 # ifdef FEAT_GUI
6417 need_mouse_correct = TRUE;
6418 # endif
6419
6420 /* free buffer when not hiding it or when it's a scratch buffer */
6421 if (tp == NULL)
6422 win_close(win, !need_hide && !P_HID(buf));
6423 else
6424 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6425 }
6426
6427 /*
6428 * ":tabclose": close current tab page, unless it is the last one.
6429 * ":tabclose N": close tab page N.
6430 */
6431 static void
6432 ex_tabclose(eap)
6433 exarg_T *eap;
6434 {
6435 tabpage_T *tp;
6436
6437 # ifdef FEAT_CMDWIN
6438 if (cmdwin_type != 0)
6439 cmdwin_result = K_IGNORE;
6440 else
6441 # endif
6442 if (first_tabpage->tp_next == NULL)
6443 EMSG(_("E784: Cannot close last tab page"));
6444 else
6445 {
6446 if (eap->addr_count > 0)
6447 {
6448 tp = find_tabpage((int)eap->line2);
6449 if (tp == NULL)
6450 {
6451 beep_flush();
6452 return;
6453 }
6454 if (tp != curtab)
6455 {
6456 tabpage_close_other(tp, eap->forceit);
6457 return;
6458 }
6459 }
6460 if (!text_locked()
6461 #ifdef FEAT_AUTOCMD
6462 && !curbuf_locked()
6463 #endif
6464 )
6465 tabpage_close(eap->forceit);
6466 }
6467 }
6468
6469 /*
6470 * ":tabonly": close all tab pages except the current one
6471 */
6472 static void
6473 ex_tabonly(eap)
6474 exarg_T *eap;
6475 {
6476 tabpage_T *tp;
6477 int done;
6478
6479 # ifdef FEAT_CMDWIN
6480 if (cmdwin_type != 0)
6481 cmdwin_result = K_IGNORE;
6482 else
6483 # endif
6484 if (first_tabpage->tp_next == NULL)
6485 MSG(_("Already only one tab page"));
6486 else
6487 {
6488 /* Repeat this up to a 1000 times, because autocommands may mess
6489 * up the lists. */
6490 for (done = 0; done < 1000; ++done)
6491 {
6492 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6493 if (tp->tp_topframe != topframe)
6494 {
6495 tabpage_close_other(tp, eap->forceit);
6496 /* if we failed to close it quit */
6497 if (valid_tabpage(tp))
6498 done = 1000;
6499 /* start over, "tp" is now invalid */
6500 break;
6501 }
6502 if (first_tabpage->tp_next == NULL)
6503 break;
6504 }
6505 }
6506 }
6507
6508 /*
6509 * Close the current tab page.
6510 */
6511 void
6512 tabpage_close(forceit)
6513 int forceit;
6514 {
6515 /* First close all the windows but the current one. If that worked then
6516 * close the last window in this tab, that will close it. */
6517 if (lastwin != firstwin)
6518 close_others(TRUE, forceit);
6519 if (lastwin == firstwin)
6520 ex_win_close(forceit, curwin, NULL);
6521 # ifdef FEAT_GUI
6522 need_mouse_correct = TRUE;
6523 # endif
6524 }
6525
6526 /*
6527 * Close tab page "tp", which is not the current tab page.
6528 * Note that autocommands may make "tp" invalid.
6529 * Also takes care of the tab pages line disappearing when closing the
6530 * last-but-one tab page.
6531 */
6532 void
6533 tabpage_close_other(tp, forceit)
6534 tabpage_T *tp;
6535 int forceit;
6536 {
6537 int done = 0;
6538 win_T *wp;
6539 int h = tabline_height();
6540
6541 /* Limit to 1000 windows, autocommands may add a window while we close
6542 * one. OK, so I'm paranoid... */
6543 while (++done < 1000)
6544 {
6545 wp = tp->tp_firstwin;
6546 ex_win_close(forceit, wp, tp);
6547
6548 /* Autocommands may delete the tab page under our fingers and we may
6549 * fail to close a window with a modified buffer. */
6550 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6551 break;
6552 }
6553
6554 redraw_tabline = TRUE;
6555 if (h != tabline_height())
6556 shell_new_rows();
6557 }
6558
6559 /*
6560 * ":only".
6561 */
6562 static void
6563 ex_only(eap)
6564 exarg_T *eap;
6565 {
6566 # ifdef FEAT_GUI
6567 need_mouse_correct = TRUE;
6568 # endif
6569 close_others(TRUE, eap->forceit);
6570 }
6571
6572 /*
6573 * ":all" and ":sall".
6574 * Also used for ":tab drop file ..." after setting the argument list.
6575 */
6576 void
6577 ex_all(eap)
6578 exarg_T *eap;
6579 {
6580 if (eap->addr_count == 0)
6581 eap->line2 = 9999;
6582 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6583 }
6584 #endif /* FEAT_WINDOWS */
6585
6586 static void
6587 ex_hide(eap)
6588 exarg_T *eap;
6589 {
6590 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6591 eap->errmsg = e_invarg;
6592 else
6593 {
6594 /* ":hide" or ":hide | cmd": hide current window */
6595 eap->nextcmd = check_nextcmd(eap->arg);
6596 #ifdef FEAT_WINDOWS
6597 if (!eap->skip)
6598 {
6599 # ifdef FEAT_GUI
6600 need_mouse_correct = TRUE;
6601 # endif
6602 win_close(curwin, FALSE); /* don't free buffer */
6603 }
6604 #endif
6605 }
6606 }
6607
6608 /*
6609 * ":stop" and ":suspend": Suspend Vim.
6610 */
6611 static void
6612 ex_stop(eap)
6613 exarg_T *eap;
6614 {
6615 /*
6616 * Disallow suspending for "rvim".
6617 */
6618 if (!check_restricted()
6619 #ifdef WIN3264
6620 /*
6621 * Check if external commands are allowed now.
6622 */
6623 && can_end_termcap_mode(TRUE)
6624 #endif
6625 )
6626 {
6627 if (!eap->forceit)
6628 autowrite_all();
6629 windgoto((int)Rows - 1, 0);
6630 out_char('\n');
6631 out_flush();
6632 stoptermcap();
6633 out_flush(); /* needed for SUN to restore xterm buffer */
6634 #ifdef FEAT_TITLE
6635 mch_restore_title(3); /* restore window titles */
6636 #endif
6637 ui_suspend(); /* call machine specific function */
6638 #ifdef FEAT_TITLE
6639 maketitle();
6640 resettitle(); /* force updating the title */
6641 #endif
6642 starttermcap();
6643 scroll_start(); /* scroll screen before redrawing */
6644 redraw_later_clear();
6645 shell_resized(); /* may have resized window */
6646 }
6647 }
6648
6649 /*
6650 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6651 */
6652 static void
6653 ex_exit(eap)
6654 exarg_T *eap;
6655 {
6656 #ifdef FEAT_CMDWIN
6657 if (cmdwin_type != 0)
6658 {
6659 cmdwin_result = Ctrl_C;
6660 return;
6661 }
6662 #endif
6663 /* Don't quit while editing the command line. */
6664 if (text_locked())
6665 {
6666 text_locked_msg();
6667 return;
6668 }
6669 #ifdef FEAT_AUTOCMD
6670 if (curbuf_locked())
6671 return;
6672 #endif
6673
6674 /*
6675 * if more files or windows we won't exit
6676 */
6677 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6678 exiting = TRUE;
6679 if ( ((eap->cmdidx == CMD_wq
6680 || curbufIsChanged())
6681 && do_write(eap) == FAIL)
6682 || check_more(TRUE, eap->forceit) == FAIL
6683 || (only_one_window() && check_changed_any(eap->forceit)))
6684 {
6685 not_exiting();
6686 }
6687 else
6688 {
6689 #ifdef FEAT_WINDOWS
6690 if (only_one_window()) /* quit last window, exit Vim */
6691 #endif
6692 getout(0);
6693 #ifdef FEAT_WINDOWS
6694 # ifdef FEAT_GUI
6695 need_mouse_correct = TRUE;
6696 # endif
6697 /* quit current window, may free buffer */
6698 win_close(curwin, !P_HID(curwin->w_buffer));
6699 #endif
6700 }
6701 }
6702
6703 /*
6704 * ":print", ":list", ":number".
6705 */
6706 static void
6707 ex_print(eap)
6708 exarg_T *eap;
6709 {
6710 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6711 EMSG(_(e_emptybuf));
6712 else
6713 {
6714 for ( ;!got_int; ui_breakcheck())
6715 {
6716 print_line(eap->line1,
6717 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6718 || (eap->flags & EXFLAG_NR)),
6719 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6720 if (++eap->line1 > eap->line2)
6721 break;
6722 out_flush(); /* show one line at a time */
6723 }
6724 setpcmark();
6725 /* put cursor at last line */
6726 curwin->w_cursor.lnum = eap->line2;
6727 beginline(BL_SOL | BL_FIX);
6728 }
6729
6730 ex_no_reprint = TRUE;
6731 }
6732
6733 #ifdef FEAT_BYTEOFF
6734 static void
6735 ex_goto(eap)
6736 exarg_T *eap;
6737 {
6738 goto_byte(eap->line2);
6739 }
6740 #endif
6741
6742 /*
6743 * ":shell".
6744 */
6745 /*ARGSUSED*/
6746 static void
6747 ex_shell(eap)
6748 exarg_T *eap;
6749 {
6750 do_shell(NULL, 0);
6751 }
6752
6753 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6754 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6755 || defined(FEAT_GUI_MSWIN) \
6756 || defined(FEAT_GUI_MAC) \
6757 || defined(PROTO)
6758
6759 /*
6760 * Handle a file drop. The code is here because a drop is *nearly* like an
6761 * :args command, but not quite (we have a list of exact filenames, so we
6762 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6763 * code is very similar to :args and hence needs access to a lot of the static
6764 * functions in this file.
6765 *
6766 * The list should be allocated using alloc(), as should each item in the
6767 * list. This function takes over responsibility for freeing the list.
6768 *
6769 * XXX The list is made into the argument list. This is freed using
6770 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6771 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6772 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6773 * file functionality is (currently) not in EMX this is not presently a
6774 * problem.
6775 */
6776 void
6777 handle_drop(filec, filev, split)
6778 int filec; /* the number of files dropped */
6779 char_u **filev; /* the list of files dropped */
6780 int split; /* force splitting the window */
6781 {
6782 exarg_T ea;
6783 int save_msg_scroll = msg_scroll;
6784
6785 /* Postpone this while editing the command line. */
6786 if (text_locked())
6787 return;
6788 #ifdef FEAT_AUTOCMD
6789 if (curbuf_locked())
6790 return;
6791 #endif
6792 /* When the screen is being updated we should not change buffers and
6793 * windows structures, it may cause freed memory to be used. */
6794 if (updating_screen)
6795 return;
6796
6797 /* Check whether the current buffer is changed. If so, we will need
6798 * to split the current window or data could be lost.
6799 * We don't need to check if the 'hidden' option is set, as in this
6800 * case the buffer won't be lost.
6801 */
6802 if (!P_HID(curbuf) && !split)
6803 {
6804 ++emsg_off;
6805 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6806 --emsg_off;
6807 }
6808 if (split)
6809 {
6810 # ifdef FEAT_WINDOWS
6811 if (win_split(0, 0) == FAIL)
6812 return;
6813 # ifdef FEAT_SCROLLBIND
6814 curwin->w_p_scb = FALSE;
6815 # endif
6816
6817 /* When splitting the window, create a new alist. Otherwise the
6818 * existing one is overwritten. */
6819 alist_unlink(curwin->w_alist);
6820 alist_new();
6821 # else
6822 return; /* can't split, always fail */
6823 # endif
6824 }
6825
6826 /*
6827 * Set up the new argument list.
6828 */
6829 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6830
6831 /*
6832 * Move to the first file.
6833 */
6834 /* Fake up a minimal "next" command for do_argfile() */
6835 vim_memset(&ea, 0, sizeof(ea));
6836 ea.cmd = (char_u *)"next";
6837 do_argfile(&ea, 0);
6838
6839 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6840 * mode that is not needed here. */
6841 need_start_insertmode = FALSE;
6842
6843 /* Restore msg_scroll, otherwise a following command may cause scrolling
6844 * unexpectedly. The screen will be redrawn by the caller, thus
6845 * msg_scroll being set by displaying a message is irrelevant. */
6846 msg_scroll = save_msg_scroll;
6847 }
6848 #endif
6849
6850 /*
6851 * Clear an argument list: free all file names and reset it to zero entries.
6852 */
6853 void
6854 alist_clear(al)
6855 alist_T *al;
6856 {
6857 while (--al->al_ga.ga_len >= 0)
6858 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6859 ga_clear(&al->al_ga);
6860 }
6861
6862 /*
6863 * Init an argument list.
6864 */
6865 void
6866 alist_init(al)
6867 alist_T *al;
6868 {
6869 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6870 }
6871
6872 #if defined(FEAT_WINDOWS) || defined(PROTO)
6873
6874 /*
6875 * Remove a reference from an argument list.
6876 * Ignored when the argument list is the global one.
6877 * If the argument list is no longer used by any window, free it.
6878 */
6879 void
6880 alist_unlink(al)
6881 alist_T *al;
6882 {
6883 if (al != &global_alist && --al->al_refcount <= 0)
6884 {
6885 alist_clear(al);
6886 vim_free(al);
6887 }
6888 }
6889
6890 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6891 /*
6892 * Create a new argument list and use it for the current window.
6893 */
6894 void
6895 alist_new()
6896 {
6897 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6898 if (curwin->w_alist == NULL)
6899 {
6900 curwin->w_alist = &global_alist;
6901 ++global_alist.al_refcount;
6902 }
6903 else
6904 {
6905 curwin->w_alist->al_refcount = 1;
6906 alist_init(curwin->w_alist);
6907 }
6908 }
6909 # endif
6910 #endif
6911
6912 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6913 /*
6914 * Expand the file names in the global argument list.
6915 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6916 * numbers to be re-used.
6917 */
6918 void
6919 alist_expand(fnum_list, fnum_len)
6920 int *fnum_list;
6921 int fnum_len;
6922 {
6923 char_u **old_arg_files;
6924 int old_arg_count;
6925 char_u **new_arg_files;
6926 int new_arg_file_count;
6927 char_u *save_p_su = p_su;
6928 int i;
6929
6930 /* Don't use 'suffixes' here. This should work like the shell did the
6931 * expansion. Also, the vimrc file isn't read yet, thus the user
6932 * can't set the options. */
6933 p_su = empty_option;
6934 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6935 if (old_arg_files != NULL)
6936 {
6937 for (i = 0; i < GARGCOUNT; ++i)
6938 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6939 old_arg_count = GARGCOUNT;
6940 if (expand_wildcards(old_arg_count, old_arg_files,
6941 &new_arg_file_count, &new_arg_files,
6942 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6943 && new_arg_file_count > 0)
6944 {
6945 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6946 TRUE, fnum_list, fnum_len);
6947 FreeWild(old_arg_count, old_arg_files);
6948 }
6949 }
6950 p_su = save_p_su;
6951 }
6952 #endif
6953
6954 /*
6955 * Set the argument list for the current window.
6956 * Takes over the allocated files[] and the allocated fnames in it.
6957 */
6958 void
6959 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6960 alist_T *al;
6961 int count;
6962 char_u **files;
6963 int use_curbuf;
6964 int *fnum_list;
6965 int fnum_len;
6966 {
6967 int i;
6968
6969 alist_clear(al);
6970 if (ga_grow(&al->al_ga, count) == OK)
6971 {
6972 for (i = 0; i < count; ++i)
6973 {
6974 if (got_int)
6975 {
6976 /* When adding many buffers this can take a long time. Allow
6977 * interrupting here. */
6978 while (i < count)
6979 vim_free(files[i++]);
6980 break;
6981 }
6982
6983 /* May set buffer name of a buffer previously used for the
6984 * argument list, so that it's re-used by alist_add. */
6985 if (fnum_list != NULL && i < fnum_len)
6986 buf_set_name(fnum_list[i], files[i]);
6987
6988 alist_add(al, files[i], use_curbuf ? 2 : 1);
6989 ui_breakcheck();
6990 }
6991 vim_free(files);
6992 }
6993 else
6994 FreeWild(count, files);
6995 #ifdef FEAT_WINDOWS
6996 if (al == &global_alist)
6997 #endif
6998 arg_had_last = FALSE;
6999 }
7000
7001 /*
7002 * Add file "fname" to argument list "al".
7003 * "fname" must have been allocated and "al" must have been checked for room.
7004 */
7005 void
7006 alist_add(al, fname, set_fnum)
7007 alist_T *al;
7008 char_u *fname;
7009 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7010 {
7011 if (fname == NULL) /* don't add NULL file names */
7012 return;
7013 #ifdef BACKSLASH_IN_FILENAME
7014 slash_adjust(fname);
7015 #endif
7016 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7017 if (set_fnum > 0)
7018 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7019 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7020 ++al->al_ga.ga_len;
7021 }
7022
7023 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7024 /*
7025 * Adjust slashes in file names. Called after 'shellslash' was set.
7026 */
7027 void
7028 alist_slash_adjust()
7029 {
7030 int i;
7031 # ifdef FEAT_WINDOWS
7032 win_T *wp;
7033 tabpage_T *tp;
7034 # endif
7035
7036 for (i = 0; i < GARGCOUNT; ++i)
7037 if (GARGLIST[i].ae_fname != NULL)
7038 slash_adjust(GARGLIST[i].ae_fname);
7039 # ifdef FEAT_WINDOWS
7040 FOR_ALL_TAB_WINDOWS(tp, wp)
7041 if (wp->w_alist != &global_alist)
7042 for (i = 0; i < WARGCOUNT(wp); ++i)
7043 if (WARGLIST(wp)[i].ae_fname != NULL)
7044 slash_adjust(WARGLIST(wp)[i].ae_fname);
7045 # endif
7046 }
7047 #endif
7048
7049 /*
7050 * ":preserve".
7051 */
7052 /*ARGSUSED*/
7053 static void
7054 ex_preserve(eap)
7055 exarg_T *eap;
7056 {
7057 curbuf->b_flags |= BF_PRESERVED;
7058 ml_preserve(curbuf, TRUE);
7059 }
7060
7061 /*
7062 * ":recover".
7063 */
7064 static void
7065 ex_recover(eap)
7066 exarg_T *eap;
7067 {
7068 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7069 recoverymode = TRUE;
7070 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7071 && (*eap->arg == NUL
7072 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7073 ml_recover();
7074 recoverymode = FALSE;
7075 }
7076
7077 /*
7078 * Command modifier used in a wrong way.
7079 */
7080 static void
7081 ex_wrongmodifier(eap)
7082 exarg_T *eap;
7083 {
7084 eap->errmsg = e_invcmd;
7085 }
7086
7087 #ifdef FEAT_WINDOWS
7088 /*
7089 * :sview [+command] file split window with new file, read-only
7090 * :split [[+command] file] split window with current or new file
7091 * :vsplit [[+command] file] split window vertically with current or new file
7092 * :new [[+command] file] split window with no or new file
7093 * :vnew [[+command] file] split vertically window with no or new file
7094 * :sfind [+command] file split window with file in 'path'
7095 *
7096 * :tabedit open new Tab page with empty window
7097 * :tabedit [+command] file open new Tab page and edit "file"
7098 * :tabnew [[+command] file] just like :tabedit
7099 * :tabfind [+command] file open new Tab page and find "file"
7100 */
7101 void
7102 ex_splitview(eap)
7103 exarg_T *eap;
7104 {
7105 win_T *old_curwin = curwin;
7106 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7107 char_u *fname = NULL;
7108 # endif
7109 # ifdef FEAT_BROWSE
7110 int browse_flag = cmdmod.browse;
7111 # endif
7112
7113 # ifndef FEAT_VERTSPLIT
7114 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7115 {
7116 ex_ni(eap);
7117 return;
7118 }
7119 # endif
7120
7121 # ifdef FEAT_GUI
7122 need_mouse_correct = TRUE;
7123 # endif
7124
7125 # ifdef FEAT_QUICKFIX
7126 /* A ":split" in the quickfix window works like ":new". Don't want two
7127 * quickfix windows. But it's OK when doing ":tab split". */
7128 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7129 {
7130 if (eap->cmdidx == CMD_split)
7131 eap->cmdidx = CMD_new;
7132 # ifdef FEAT_VERTSPLIT
7133 if (eap->cmdidx == CMD_vsplit)
7134 eap->cmdidx = CMD_vnew;
7135 # endif
7136 }
7137 # endif
7138
7139 # ifdef FEAT_SEARCHPATH
7140 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7141 {
7142 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7143 FNAME_MESS, TRUE, curbuf->b_ffname);
7144 if (fname == NULL)
7145 goto theend;
7146 eap->arg = fname;
7147 }
7148 # ifdef FEAT_BROWSE
7149 else
7150 # endif
7151 # endif
7152 # ifdef FEAT_BROWSE
7153 if (cmdmod.browse
7154 # ifdef FEAT_VERTSPLIT
7155 && eap->cmdidx != CMD_vnew
7156 # endif
7157 && eap->cmdidx != CMD_new)
7158 {
7159 # ifdef FEAT_AUTOCMD
7160 if (
7161 # ifdef FEAT_GUI
7162 !gui.in_use &&
7163 # endif
7164 au_has_group((char_u *)"FileExplorer"))
7165 {
7166 /* No browsing supported but we do have the file explorer:
7167 * Edit the directory. */
7168 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7169 eap->arg = (char_u *)".";
7170 }
7171 else
7172 # endif
7173 {
7174 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7175 eap->arg, NULL, NULL, NULL, curbuf);
7176 if (fname == NULL)
7177 goto theend;
7178 eap->arg = fname;
7179 }
7180 }
7181 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7182 # endif
7183
7184 /*
7185 * Either open new tab page or split the window.
7186 */
7187 if (eap->cmdidx == CMD_tabedit
7188 || eap->cmdidx == CMD_tabfind
7189 || eap->cmdidx == CMD_tabnew)
7190 {
7191 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7192 : eap->addr_count == 0 ? 0
7193 : (int)eap->line2 + 1) != FAIL)
7194 {
7195 do_exedit(eap, old_curwin);
7196
7197 /* set the alternate buffer for the window we came from */
7198 if (curwin != old_curwin
7199 && win_valid(old_curwin)
7200 && old_curwin->w_buffer != curbuf
7201 && !cmdmod.keepalt)
7202 old_curwin->w_alt_fnum = curbuf->b_fnum;
7203 }
7204 }
7205 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7206 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7207 {
7208 # ifdef FEAT_SCROLLBIND
7209 /* Reset 'scrollbind' when editing another file, but keep it when
7210 * doing ":split" without arguments. */
7211 if (*eap->arg != NUL
7212 # ifdef FEAT_BROWSE
7213 || cmdmod.browse
7214 # endif
7215 )
7216 curwin->w_p_scb = FALSE;
7217 else
7218 do_check_scrollbind(FALSE);
7219 # endif
7220 do_exedit(eap, old_curwin);
7221 }
7222
7223 # ifdef FEAT_BROWSE
7224 cmdmod.browse = browse_flag;
7225 # endif
7226
7227 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7228 theend:
7229 vim_free(fname);
7230 # endif
7231 }
7232
7233 /*
7234 * Open a new tab page.
7235 */
7236 void
7237 tabpage_new()
7238 {
7239 exarg_T ea;
7240
7241 vim_memset(&ea, 0, sizeof(ea));
7242 ea.cmdidx = CMD_tabnew;
7243 ea.cmd = (char_u *)"tabn";
7244 ea.arg = (char_u *)"";
7245 ex_splitview(&ea);
7246 }
7247
7248 /*
7249 * :tabnext command
7250 */
7251 static void
7252 ex_tabnext(eap)
7253 exarg_T *eap;
7254 {
7255 switch (eap->cmdidx)
7256 {
7257 case CMD_tabfirst:
7258 case CMD_tabrewind:
7259 goto_tabpage(1);
7260 break;
7261 case CMD_tablast:
7262 goto_tabpage(9999);
7263 break;
7264 case CMD_tabprevious:
7265 case CMD_tabNext:
7266 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7267 break;
7268 default: /* CMD_tabnext */
7269 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7270 break;
7271 }
7272 }
7273
7274 /*
7275 * :tabmove command
7276 */
7277 static void
7278 ex_tabmove(eap)
7279 exarg_T *eap;
7280 {
7281 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7282 }
7283
7284 /*
7285 * :tabs command: List tabs and their contents.
7286 */
7287 /*ARGSUSED*/
7288 static void
7289 ex_tabs(eap)
7290 exarg_T *eap;
7291 {
7292 tabpage_T *tp;
7293 win_T *wp;
7294 int tabcount = 1;
7295
7296 msg_start();
7297 msg_scroll = TRUE;
7298 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7299 {
7300 msg_putchar('\n');
7301 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7302 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7303 out_flush(); /* output one line at a time */
7304 ui_breakcheck();
7305
7306 if (tp == curtab)
7307 wp = firstwin;
7308 else
7309 wp = tp->tp_firstwin;
7310 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7311 {
7312 msg_putchar('\n');
7313 msg_putchar(wp == curwin ? '>' : ' ');
7314 msg_putchar(' ');
7315 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7316 msg_putchar(' ');
7317 if (buf_spname(wp->w_buffer) != NULL)
7318 STRCPY(IObuff, buf_spname(wp->w_buffer));
7319 else
7320 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7321 IObuff, IOSIZE, TRUE);
7322 msg_outtrans(IObuff);
7323 out_flush(); /* output one line at a time */
7324 ui_breakcheck();
7325 }
7326 }
7327 }
7328
7329 #endif /* FEAT_WINDOWS */
7330
7331 /*
7332 * ":mode": Set screen mode.
7333 * If no argument given, just get the screen size and redraw.
7334 */
7335 static void
7336 ex_mode(eap)
7337 exarg_T *eap;
7338 {
7339 if (*eap->arg == NUL)
7340 shell_resized();
7341 else
7342 mch_screenmode(eap->arg);
7343 }
7344
7345 #ifdef FEAT_WINDOWS
7346 /*
7347 * ":resize".
7348 * set, increment or decrement current window height
7349 */
7350 static void
7351 ex_resize(eap)
7352 exarg_T *eap;
7353 {
7354 int n;
7355 win_T *wp = curwin;
7356
7357 if (eap->addr_count > 0)
7358 {
7359 n = eap->line2;
7360 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7361 ;
7362 }
7363
7364 #ifdef FEAT_GUI
7365 need_mouse_correct = TRUE;
7366 #endif
7367 n = atol((char *)eap->arg);
7368 #ifdef FEAT_VERTSPLIT
7369 if (cmdmod.split & WSP_VERT)
7370 {
7371 if (*eap->arg == '-' || *eap->arg == '+')
7372 n += W_WIDTH(curwin);
7373 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7374 n = 9999;
7375 win_setwidth_win((int)n, wp);
7376 }
7377 else
7378 #endif
7379 {
7380 if (*eap->arg == '-' || *eap->arg == '+')
7381 n += curwin->w_height;
7382 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7383 n = 9999;
7384 win_setheight_win((int)n, wp);
7385 }
7386 }
7387 #endif
7388
7389 /*
7390 * ":find [+command] <file>" command.
7391 */
7392 static void
7393 ex_find(eap)
7394 exarg_T *eap;
7395 {
7396 #ifdef FEAT_SEARCHPATH
7397 char_u *fname;
7398 int count;
7399
7400 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7401 TRUE, curbuf->b_ffname);
7402 if (eap->addr_count > 0)
7403 {
7404 /* Repeat finding the file "count" times. This matters when it
7405 * appears several times in the path. */
7406 count = eap->line2;
7407 while (fname != NULL && --count > 0)
7408 {
7409 vim_free(fname);
7410 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7411 FALSE, curbuf->b_ffname);
7412 }
7413 }
7414
7415 if (fname != NULL)
7416 {
7417 eap->arg = fname;
7418 #endif
7419 do_exedit(eap, NULL);
7420 #ifdef FEAT_SEARCHPATH
7421 vim_free(fname);
7422 }
7423 #endif
7424 }
7425
7426 /*
7427 * ":open" simulation: for now just work like ":visual".
7428 */
7429 static void
7430 ex_open(eap)
7431 exarg_T *eap;
7432 {
7433 regmatch_T regmatch;
7434 char_u *p;
7435
7436 curwin->w_cursor.lnum = eap->line2;
7437 beginline(BL_SOL | BL_FIX);
7438 if (*eap->arg == '/')
7439 {
7440 /* ":open /pattern/": put cursor in column found with pattern */
7441 ++eap->arg;
7442 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7443 *p = NUL;
7444 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7445 if (regmatch.regprog != NULL)
7446 {
7447 regmatch.rm_ic = p_ic;
7448 p = ml_get_curline();
7449 if (vim_regexec(&regmatch, p, (colnr_T)0))
7450 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7451 else
7452 EMSG(_(e_nomatch));
7453 vim_free(regmatch.regprog);
7454 }
7455 /* Move to the NUL, ignore any other arguments. */
7456 eap->arg += STRLEN(eap->arg);
7457 }
7458 check_cursor();
7459
7460 eap->cmdidx = CMD_visual;
7461 do_exedit(eap, NULL);
7462 }
7463
7464 /*
7465 * ":edit", ":badd", ":visual".
7466 */
7467 static void
7468 ex_edit(eap)
7469 exarg_T *eap;
7470 {
7471 do_exedit(eap, NULL);
7472 }
7473
7474 /*
7475 * ":edit <file>" command and alikes.
7476 */
7477 /*ARGSUSED*/
7478 void
7479 do_exedit(eap, old_curwin)
7480 exarg_T *eap;
7481 win_T *old_curwin; /* curwin before doing a split or NULL */
7482 {
7483 int n;
7484 #ifdef FEAT_WINDOWS
7485 int need_hide;
7486 #endif
7487 int exmode_was = exmode_active;
7488
7489 /*
7490 * ":vi" command ends Ex mode.
7491 */
7492 if (exmode_active && (eap->cmdidx == CMD_visual
7493 || eap->cmdidx == CMD_view))
7494 {
7495 exmode_active = FALSE;
7496 if (*eap->arg == NUL)
7497 {
7498 /* Special case: ":global/pat/visual\NLvi-commands" */
7499 if (global_busy)
7500 {
7501 int rd = RedrawingDisabled;
7502 int nwr = no_wait_return;
7503 int ms = msg_scroll;
7504 #ifdef FEAT_GUI
7505 int he = hold_gui_events;
7506 #endif
7507
7508 if (eap->nextcmd != NULL)
7509 {
7510 stuffReadbuff(eap->nextcmd);
7511 eap->nextcmd = NULL;
7512 }
7513
7514 if (exmode_was != EXMODE_VIM)
7515 settmode(TMODE_RAW);
7516 RedrawingDisabled = 0;
7517 no_wait_return = 0;
7518 need_wait_return = FALSE;
7519 msg_scroll = 0;
7520 #ifdef FEAT_GUI
7521 hold_gui_events = 0;
7522 #endif
7523 must_redraw = CLEAR;
7524
7525 main_loop(FALSE, TRUE);
7526
7527 RedrawingDisabled = rd;
7528 no_wait_return = nwr;
7529 msg_scroll = ms;
7530 #ifdef FEAT_GUI
7531 hold_gui_events = he;
7532 #endif
7533 }
7534 return;
7535 }
7536 }
7537
7538 if ((eap->cmdidx == CMD_new
7539 || eap->cmdidx == CMD_tabnew
7540 || eap->cmdidx == CMD_tabedit
7541 #ifdef FEAT_VERTSPLIT
7542 || eap->cmdidx == CMD_vnew
7543 #endif
7544 ) && *eap->arg == NUL)
7545 {
7546 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7547 setpcmark();
7548 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7549 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7550 old_curwin == NULL ? curwin : NULL);
7551 }
7552 else if ((eap->cmdidx != CMD_split
7553 #ifdef FEAT_VERTSPLIT
7554 && eap->cmdidx != CMD_vsplit
7555 #endif
7556 )
7557 || *eap->arg != NUL
7558 #ifdef FEAT_BROWSE
7559 || cmdmod.browse
7560 #endif
7561 )
7562 {
7563 #ifdef FEAT_AUTOCMD
7564 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7565 * can bring us here, others are stopped earlier. */
7566 if (*eap->arg != NUL && curbuf_locked())
7567 return;
7568 #endif
7569 n = readonlymode;
7570 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7571 readonlymode = TRUE;
7572 else if (eap->cmdidx == CMD_enew)
7573 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7574 empty buffer */
7575 setpcmark();
7576 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7577 NULL, eap,
7578 /* ":edit" goes to first line if Vi compatible */
7579 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7580 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7581 ? ECMD_ONE : eap->do_ecmd_lnum,
7582 (P_HID(curbuf) ? ECMD_HIDE : 0)
7583 + (eap->forceit ? ECMD_FORCEIT : 0)
7584 #ifdef FEAT_LISTCMDS
7585 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7586 #endif
7587 , old_curwin == NULL ? curwin : NULL) == FAIL)
7588 {
7589 /* Editing the file failed. If the window was split, close it. */
7590 #ifdef FEAT_WINDOWS
7591 if (old_curwin != NULL)
7592 {
7593 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7594 if (!need_hide || P_HID(curbuf))
7595 {
7596 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7597 cleanup_T cs;
7598
7599 /* Reset the error/interrupt/exception state here so that
7600 * aborting() returns FALSE when closing a window. */
7601 enter_cleanup(&cs);
7602 # endif
7603 # ifdef FEAT_GUI
7604 need_mouse_correct = TRUE;
7605 # endif
7606 win_close(curwin, !need_hide && !P_HID(curbuf));
7607
7608 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7609 /* Restore the error/interrupt/exception state if not
7610 * discarded by a new aborting error, interrupt, or
7611 * uncaught exception. */
7612 leave_cleanup(&cs);
7613 # endif
7614 }
7615 }
7616 #endif
7617 }
7618 else if (readonlymode && curbuf->b_nwindows == 1)
7619 {
7620 /* When editing an already visited buffer, 'readonly' won't be set
7621 * but the previous value is kept. With ":view" and ":sview" we
7622 * want the file to be readonly, except when another window is
7623 * editing the same buffer. */
7624 curbuf->b_p_ro = TRUE;
7625 }
7626 readonlymode = n;
7627 }
7628 else
7629 {
7630 if (eap->do_ecmd_cmd != NULL)
7631 do_cmdline_cmd(eap->do_ecmd_cmd);
7632 #ifdef FEAT_TITLE
7633 n = curwin->w_arg_idx_invalid;
7634 #endif
7635 check_arg_idx(curwin);
7636 #ifdef FEAT_TITLE
7637 if (n != curwin->w_arg_idx_invalid)
7638 maketitle();
7639 #endif
7640 }
7641
7642 #ifdef FEAT_WINDOWS
7643 /*
7644 * if ":split file" worked, set alternate file name in old window to new
7645 * file
7646 */
7647 if (old_curwin != NULL
7648 && *eap->arg != NUL
7649 && curwin != old_curwin
7650 && win_valid(old_curwin)
7651 && old_curwin->w_buffer != curbuf
7652 && !cmdmod.keepalt)
7653 old_curwin->w_alt_fnum = curbuf->b_fnum;
7654 #endif
7655
7656 ex_no_reprint = TRUE;
7657 }
7658
7659 #ifndef FEAT_GUI
7660 /*
7661 * ":gui" and ":gvim" when there is no GUI.
7662 */
7663 static void
7664 ex_nogui(eap)
7665 exarg_T *eap;
7666 {
7667 eap->errmsg = e_nogvim;
7668 }
7669 #endif
7670
7671 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7672 static void
7673 ex_tearoff(eap)
7674 exarg_T *eap;
7675 {
7676 gui_make_tearoff(eap->arg);
7677 }
7678 #endif
7679
7680 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7681 static void
7682 ex_popup(eap)
7683 exarg_T *eap;
7684 {
7685 gui_make_popup(eap->arg, eap->forceit);
7686 }
7687 #endif
7688
7689 /*ARGSUSED*/
7690 static void
7691 ex_swapname(eap)
7692 exarg_T *eap;
7693 {
7694 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7695 MSG(_("No swap file"));
7696 else
7697 msg(curbuf->b_ml.ml_mfp->mf_fname);
7698 }
7699
7700 /*
7701 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7702 * offset.
7703 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7704 */
7705 /*ARGSUSED*/
7706 static void
7707 ex_syncbind(eap)
7708 exarg_T *eap;
7709 {
7710 #ifdef FEAT_SCROLLBIND
7711 win_T *wp;
7712 long topline;
7713 long y;
7714 linenr_T old_linenr = curwin->w_cursor.lnum;
7715
7716 setpcmark();
7717
7718 /*
7719 * determine max topline
7720 */
7721 if (curwin->w_p_scb)
7722 {
7723 topline = curwin->w_topline;
7724 for (wp = firstwin; wp; wp = wp->w_next)
7725 {
7726 if (wp->w_p_scb && wp->w_buffer)
7727 {
7728 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7729 if (topline > y)
7730 topline = y;
7731 }
7732 }
7733 if (topline < 1)
7734 topline = 1;
7735 }
7736 else
7737 {
7738 topline = 1;
7739 }
7740
7741
7742 /*
7743 * set all scrollbind windows to the same topline
7744 */
7745 wp = curwin;
7746 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7747 {
7748 if (curwin->w_p_scb)
7749 {
7750 y = topline - curwin->w_topline;
7751 if (y > 0)
7752 scrollup(y, TRUE);
7753 else
7754 scrolldown(-y, TRUE);
7755 curwin->w_scbind_pos = topline;
7756 redraw_later(VALID);
7757 cursor_correct();
7758 #ifdef FEAT_WINDOWS
7759 curwin->w_redr_status = TRUE;
7760 #endif
7761 }
7762 }
7763 curwin = wp;
7764 if (curwin->w_p_scb)
7765 {
7766 did_syncbind = TRUE;
7767 checkpcmark();
7768 if (old_linenr != curwin->w_cursor.lnum)
7769 {
7770 char_u ctrl_o[2];
7771
7772 ctrl_o[0] = Ctrl_O;
7773 ctrl_o[1] = 0;
7774 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7775 }
7776 }
7777 #endif
7778 }
7779
7780
7781 static void
7782 ex_read(eap)
7783 exarg_T *eap;
7784 {
7785 int i;
7786 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7787 linenr_T lnum;
7788
7789 if (eap->usefilter) /* :r!cmd */
7790 do_bang(1, eap, FALSE, FALSE, TRUE);
7791 else
7792 {
7793 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7794 return;
7795
7796 #ifdef FEAT_BROWSE
7797 if (cmdmod.browse)
7798 {
7799 char_u *browseFile;
7800
7801 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7802 NULL, NULL, NULL, curbuf);
7803 if (browseFile != NULL)
7804 {
7805 i = readfile(browseFile, NULL,
7806 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7807 vim_free(browseFile);
7808 }
7809 else
7810 i = OK;
7811 }
7812 else
7813 #endif
7814 if (*eap->arg == NUL)
7815 {
7816 if (check_fname() == FAIL) /* check for no file name */
7817 return;
7818 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7819 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7820 }
7821 else
7822 {
7823 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7824 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7825 i = readfile(eap->arg, NULL,
7826 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7827
7828 }
7829 if (i == FAIL)
7830 {
7831 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7832 if (!aborting())
7833 #endif
7834 EMSG2(_(e_notopen), eap->arg);
7835 }
7836 else
7837 {
7838 if (empty && exmode_active)
7839 {
7840 /* Delete the empty line that remains. Historically ex does
7841 * this but vi doesn't. */
7842 if (eap->line2 == 0)
7843 lnum = curbuf->b_ml.ml_line_count;
7844 else
7845 lnum = 1;
7846 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7847 {
7848 ml_delete(lnum, FALSE);
7849 deleted_lines_mark(lnum, 1L);
7850 if (curwin->w_cursor.lnum > 1
7851 && curwin->w_cursor.lnum >= lnum)
7852 --curwin->w_cursor.lnum;
7853 }
7854 }
7855 redraw_curbuf_later(VALID);
7856 }
7857 }
7858 }
7859
7860 static char_u *prev_dir = NULL;
7861
7862 #if defined(EXITFREE) || defined(PROTO)
7863 void
7864 free_cd_dir()
7865 {
7866 vim_free(prev_dir);
7867 prev_dir = NULL;
7868
7869 vim_free(globaldir);
7870 globaldir = NULL;
7871 }
7872 #endif
7873
7874
7875 /*
7876 * ":cd", ":lcd", ":chdir" and ":lchdir".
7877 */
7878 void
7879 ex_cd(eap)
7880 exarg_T *eap;
7881 {
7882 char_u *new_dir;
7883 char_u *tofree;
7884
7885 new_dir = eap->arg;
7886 #if !defined(UNIX) && !defined(VMS)
7887 /* for non-UNIX ":cd" means: print current directory */
7888 if (*new_dir == NUL)
7889 ex_pwd(NULL);
7890 else
7891 #endif
7892 {
7893 #ifdef FEAT_AUTOCMD
7894 if (allbuf_locked())
7895 return;
7896 #endif
7897 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7898 && !eap->forceit)
7899 {
7900 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7901 return;
7902 }
7903
7904 /* ":cd -": Change to previous directory */
7905 if (STRCMP(new_dir, "-") == 0)
7906 {
7907 if (prev_dir == NULL)
7908 {
7909 EMSG(_("E186: No previous directory"));
7910 return;
7911 }
7912 new_dir = prev_dir;
7913 }
7914
7915 /* Save current directory for next ":cd -" */
7916 tofree = prev_dir;
7917 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7918 prev_dir = vim_strsave(NameBuff);
7919 else
7920 prev_dir = NULL;
7921
7922 #if defined(UNIX) || defined(VMS)
7923 /* for UNIX ":cd" means: go to home directory */
7924 if (*new_dir == NUL)
7925 {
7926 /* use NameBuff for home directory name */
7927 # ifdef VMS
7928 char_u *p;
7929
7930 p = mch_getenv((char_u *)"SYS$LOGIN");
7931 if (p == NULL || *p == NUL) /* empty is the same as not set */
7932 NameBuff[0] = NUL;
7933 else
7934 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7935 # else
7936 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7937 # endif
7938 new_dir = NameBuff;
7939 }
7940 #endif
7941 if (new_dir == NULL || vim_chdir(new_dir))
7942 EMSG(_(e_failed));
7943 else
7944 {
7945 vim_free(curwin->w_localdir);
7946 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7947 {
7948 /* If still in global directory, need to remember current
7949 * directory as global directory. */
7950 if (globaldir == NULL && prev_dir != NULL)
7951 globaldir = vim_strsave(prev_dir);
7952 /* Remember this local directory for the window. */
7953 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7954 curwin->w_localdir = vim_strsave(NameBuff);
7955 }
7956 else
7957 {
7958 /* We are now in the global directory, no need to remember its
7959 * name. */
7960 vim_free(globaldir);
7961 globaldir = NULL;
7962 curwin->w_localdir = NULL;
7963 }
7964
7965 shorten_fnames(TRUE);
7966
7967 /* Echo the new current directory if the command was typed. */
7968 if (KeyTyped)
7969 ex_pwd(eap);
7970 }
7971 vim_free(tofree);
7972 }
7973 }
7974
7975 /*
7976 * ":pwd".
7977 */
7978 /*ARGSUSED*/
7979 static void
7980 ex_pwd(eap)
7981 exarg_T *eap;
7982 {
7983 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7984 {
7985 #ifdef BACKSLASH_IN_FILENAME
7986 slash_adjust(NameBuff);
7987 #endif
7988 msg(NameBuff);
7989 }
7990 else
7991 EMSG(_("E187: Unknown"));
7992 }
7993
7994 /*
7995 * ":=".
7996 */
7997 static void
7998 ex_equal(eap)
7999 exarg_T *eap;
8000 {
8001 smsg((char_u *)"%ld", (long)eap->line2);
8002 ex_may_print(eap);
8003 }
8004
8005 static void
8006 ex_sleep(eap)
8007 exarg_T *eap;
8008 {
8009 int n;
8010 long len;
8011
8012 if (cursor_valid())
8013 {
8014 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8015 if (n >= 0)
8016 windgoto((int)n, curwin->w_wcol);
8017 }
8018
8019 len = eap->line2;
8020 switch (*eap->arg)
8021 {
8022 case 'm': break;
8023 case NUL: len *= 1000L; break;
8024 default: EMSG2(_(e_invarg2), eap->arg); return;
8025 }
8026 do_sleep(len);
8027 }
8028
8029 /*
8030 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8031 */
8032 void
8033 do_sleep(msec)
8034 long msec;
8035 {
8036 long done;
8037
8038 cursor_on();
8039 out_flush();
8040 for (done = 0; !got_int && done < msec; done += 1000L)
8041 {
8042 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8043 ui_breakcheck();
8044 }
8045 }
8046
8047 static void
8048 do_exmap(eap, isabbrev)
8049 exarg_T *eap;
8050 int isabbrev;
8051 {
8052 int mode;
8053 char_u *cmdp;
8054
8055 cmdp = eap->cmd;
8056 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8057
8058 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8059 eap->arg, mode, isabbrev))
8060 {
8061 case 1: EMSG(_(e_invarg));
8062 break;
8063 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8064 break;
8065 }
8066 }
8067
8068 /*
8069 * ":winsize" command (obsolete).
8070 */
8071 static void
8072 ex_winsize(eap)
8073 exarg_T *eap;
8074 {
8075 int w, h;
8076 char_u *arg = eap->arg;
8077 char_u *p;
8078
8079 w = getdigits(&arg);
8080 arg = skipwhite(arg);
8081 p = arg;
8082 h = getdigits(&arg);
8083 if (*p != NUL && *arg == NUL)
8084 set_shellsize(w, h, TRUE);
8085 else
8086 EMSG(_("E465: :winsize requires two number arguments"));
8087 }
8088
8089 #ifdef FEAT_WINDOWS
8090 static void
8091 ex_wincmd(eap)
8092 exarg_T *eap;
8093 {
8094 int xchar = NUL;
8095 char_u *p;
8096
8097 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8098 {
8099 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8100 if (eap->arg[1] == NUL)
8101 {
8102 EMSG(_(e_invarg));
8103 return;
8104 }
8105 xchar = eap->arg[1];
8106 p = eap->arg + 2;
8107 }
8108 else
8109 p = eap->arg + 1;
8110
8111 eap->nextcmd = check_nextcmd(p);
8112 p = skipwhite(p);
8113 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8114 EMSG(_(e_invarg));
8115 else
8116 {
8117 /* Pass flags on for ":vertical wincmd ]". */
8118 postponed_split_flags = cmdmod.split;
8119 postponed_split_tab = cmdmod.tab;
8120 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8121 postponed_split_flags = 0;
8122 postponed_split_tab = 0;
8123 }
8124 }
8125 #endif
8126
8127 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8128 /*
8129 * ":winpos".
8130 */
8131 static void
8132 ex_winpos(eap)
8133 exarg_T *eap;
8134 {
8135 int x, y;
8136 char_u *arg = eap->arg;
8137 char_u *p;
8138
8139 if (*arg == NUL)
8140 {
8141 # if defined(FEAT_GUI) || defined(MSWIN)
8142 # ifdef FEAT_GUI
8143 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8144 # else
8145 if (mch_get_winpos(&x, &y) != FAIL)
8146 # endif
8147 {
8148 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8149 msg(IObuff);
8150 }
8151 else
8152 # endif
8153 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8154 }
8155 else
8156 {
8157 x = getdigits(&arg);
8158 arg = skipwhite(arg);
8159 p = arg;
8160 y = getdigits(&arg);
8161 if (*p == NUL || *arg != NUL)
8162 {
8163 EMSG(_("E466: :winpos requires two number arguments"));
8164 return;
8165 }
8166 # ifdef FEAT_GUI
8167 if (gui.in_use)
8168 gui_mch_set_winpos(x, y);
8169 else if (gui.starting)
8170 {
8171 /* Remember the coordinates for when the window is opened. */
8172 gui_win_x = x;
8173 gui_win_y = y;
8174 }
8175 # ifdef HAVE_TGETENT
8176 else
8177 # endif
8178 # else
8179 # ifdef MSWIN
8180 mch_set_winpos(x, y);
8181 # endif
8182 # endif
8183 # ifdef HAVE_TGETENT
8184 if (*T_CWP)
8185 term_set_winpos(x, y);
8186 # endif
8187 }
8188 }
8189 #endif
8190
8191 /*
8192 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8193 */
8194 static void
8195 ex_operators(eap)
8196 exarg_T *eap;
8197 {
8198 oparg_T oa;
8199
8200 clear_oparg(&oa);
8201 oa.regname = eap->regname;
8202 oa.start.lnum = eap->line1;
8203 oa.end.lnum = eap->line2;
8204 oa.line_count = eap->line2 - eap->line1 + 1;
8205 oa.motion_type = MLINE;
8206 #ifdef FEAT_VIRTUALEDIT
8207 virtual_op = FALSE;
8208 #endif
8209 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8210 {
8211 setpcmark();
8212 curwin->w_cursor.lnum = eap->line1;
8213 beginline(BL_SOL | BL_FIX);
8214 }
8215
8216 switch (eap->cmdidx)
8217 {
8218 case CMD_delete:
8219 oa.op_type = OP_DELETE;
8220 op_delete(&oa);
8221 break;
8222
8223 case CMD_yank:
8224 oa.op_type = OP_YANK;
8225 (void)op_yank(&oa, FALSE, TRUE);
8226 break;
8227
8228 default: /* CMD_rshift or CMD_lshift */
8229 if ((eap->cmdidx == CMD_rshift)
8230 #ifdef FEAT_RIGHTLEFT
8231 ^ curwin->w_p_rl
8232 #endif
8233 )
8234 oa.op_type = OP_RSHIFT;
8235 else
8236 oa.op_type = OP_LSHIFT;
8237 op_shift(&oa, FALSE, eap->amount);
8238 break;
8239 }
8240 #ifdef FEAT_VIRTUALEDIT
8241 virtual_op = MAYBE;
8242 #endif
8243 ex_may_print(eap);
8244 }
8245
8246 /*
8247 * ":put".
8248 */
8249 static void
8250 ex_put(eap)
8251 exarg_T *eap;
8252 {
8253 /* ":0put" works like ":1put!". */
8254 if (eap->line2 == 0)
8255 {
8256 eap->line2 = 1;
8257 eap->forceit = TRUE;
8258 }
8259 curwin->w_cursor.lnum = eap->line2;
8260 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8261 PUT_LINE|PUT_CURSLINE);
8262 }
8263
8264 /*
8265 * Handle ":copy" and ":move".
8266 */
8267 static void
8268 ex_copymove(eap)
8269 exarg_T *eap;
8270 {
8271 long n;
8272
8273 n = get_address(&eap->arg, FALSE, FALSE);
8274 if (eap->arg == NULL) /* error detected */
8275 {
8276 eap->nextcmd = NULL;
8277 return;
8278 }
8279 get_flags(eap);
8280
8281 /*
8282 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8283 */
8284 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8285 {
8286 EMSG(_(e_invaddr));
8287 return;
8288 }
8289
8290 if (eap->cmdidx == CMD_move)
8291 {
8292 if (do_move(eap->line1, eap->line2, n) == FAIL)
8293 return;
8294 }
8295 else
8296 ex_copy(eap->line1, eap->line2, n);
8297 u_clearline();
8298 beginline(BL_SOL | BL_FIX);
8299 ex_may_print(eap);
8300 }
8301
8302 /*
8303 * Print the current line if flags were given to the Ex command.
8304 */
8305 static void
8306 ex_may_print(eap)
8307 exarg_T *eap;
8308 {
8309 if (eap->flags != 0)
8310 {
8311 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8312 (eap->flags & EXFLAG_LIST));
8313 ex_no_reprint = TRUE;
8314 }
8315 }
8316
8317 /*
8318 * ":smagic" and ":snomagic".
8319 */
8320 static void
8321 ex_submagic(eap)
8322 exarg_T *eap;
8323 {
8324 int magic_save = p_magic;
8325
8326 p_magic = (eap->cmdidx == CMD_smagic);
8327 do_sub(eap);
8328 p_magic = magic_save;
8329 }
8330
8331 /*
8332 * ":join".
8333 */
8334 static void
8335 ex_join(eap)
8336 exarg_T *eap;
8337 {
8338 curwin->w_cursor.lnum = eap->line1;
8339 if (eap->line1 == eap->line2)
8340 {
8341 if (eap->addr_count >= 2) /* :2,2join does nothing */
8342 return;
8343 if (eap->line2 == curbuf->b_ml.ml_line_count)
8344 {
8345 beep_flush();
8346 return;
8347 }
8348 ++eap->line2;
8349 }
8350 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8351 beginline(BL_WHITE | BL_FIX);
8352 ex_may_print(eap);
8353 }
8354
8355 /*
8356 * ":[addr]@r" or ":[addr]*r": execute register
8357 */
8358 static void
8359 ex_at(eap)
8360 exarg_T *eap;
8361 {
8362 int c;
8363
8364 curwin->w_cursor.lnum = eap->line2;
8365
8366 #ifdef USE_ON_FLY_SCROLL
8367 dont_scroll = TRUE; /* disallow scrolling here */
8368 #endif
8369
8370 /* get the register name. No name means to use the previous one */
8371 c = *eap->arg;
8372 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8373 c = '@';
8374 /* Put the register in the typeahead buffer with the "silent" flag. */
8375 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8376 == FAIL)
8377 {
8378 beep_flush();
8379 }
8380 else
8381 {
8382 int save_efr = exec_from_reg;
8383
8384 exec_from_reg = TRUE;
8385
8386 /*
8387 * Execute from the typeahead buffer.
8388 * Originally this didn't check for the typeahead buffer to be empty,
8389 * thus could read more Ex commands from stdin. It's not clear why,
8390 * it is certainly unexpected.
8391 */
8392 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8393 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8394
8395 exec_from_reg = save_efr;
8396 }
8397 }
8398
8399 /*
8400 * ":!".
8401 */
8402 static void
8403 ex_bang(eap)
8404 exarg_T *eap;
8405 {
8406 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8407 }
8408
8409 /*
8410 * ":undo".
8411 */
8412 /*ARGSUSED*/
8413 static void
8414 ex_undo(eap)
8415 exarg_T *eap;
8416 {
8417 if (eap->addr_count == 1) /* :undo 123 */
8418 undo_time(eap->line2, FALSE, TRUE);
8419 else
8420 u_undo(1);
8421 }
8422
8423 /*
8424 * ":redo".
8425 */
8426 /*ARGSUSED*/
8427 static void
8428 ex_redo(eap)
8429 exarg_T *eap;
8430 {
8431 u_redo(1);
8432 }
8433
8434 /*
8435 * ":earlier" and ":later".
8436 */
8437 /*ARGSUSED*/
8438 static void
8439 ex_later(eap)
8440 exarg_T *eap;
8441 {
8442 long count = 0;
8443 int sec = FALSE;
8444 char_u *p = eap->arg;
8445
8446 if (*p == NUL)
8447 count = 1;
8448 else if (isdigit(*p))
8449 {
8450 count = getdigits(&p);
8451 switch (*p)
8452 {
8453 case 's': ++p; sec = TRUE; break;
8454 case 'm': ++p; sec = TRUE; count *= 60; break;
8455 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8456 }
8457 }
8458
8459 if (*p != NUL)
8460 EMSG2(_(e_invarg2), eap->arg);
8461 else
8462 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8463 }
8464
8465 /*
8466 * ":redir": start/stop redirection.
8467 */
8468 static void
8469 ex_redir(eap)
8470 exarg_T *eap;
8471 {
8472 char *mode;
8473 char_u *fname;
8474 char_u *arg = eap->arg;
8475
8476 if (STRICMP(eap->arg, "END") == 0)
8477 close_redir();
8478 else
8479 {
8480 if (*arg == '>')
8481 {
8482 ++arg;
8483 if (*arg == '>')
8484 {
8485 ++arg;
8486 mode = "a";
8487 }
8488 else
8489 mode = "w";
8490 arg = skipwhite(arg);
8491
8492 close_redir();
8493
8494 /* Expand environment variables and "~/". */
8495 fname = expand_env_save(arg);
8496 if (fname == NULL)
8497 return;
8498 #ifdef FEAT_BROWSE
8499 if (cmdmod.browse)
8500 {
8501 char_u *browseFile;
8502
8503 browseFile = do_browse(BROWSE_SAVE,
8504 (char_u *)_("Save Redirection"),
8505 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8506 if (browseFile == NULL)
8507 return; /* operation cancelled */
8508 vim_free(fname);
8509 fname = browseFile;
8510 eap->forceit = TRUE; /* since dialog already asked */
8511 }
8512 #endif
8513
8514 redir_fd = open_exfile(fname, eap->forceit, mode);
8515 vim_free(fname);
8516 }
8517 #ifdef FEAT_EVAL
8518 else if (*arg == '@')
8519 {
8520 /* redirect to a register a-z (resp. A-Z for appending) */
8521 close_redir();
8522 ++arg;
8523 if (ASCII_ISALPHA(*arg)
8524 # ifdef FEAT_CLIPBOARD
8525 || *arg == '*'
8526 || *arg == '+'
8527 # endif
8528 || *arg == '"')
8529 {
8530 redir_reg = *arg++;
8531 if (*arg == '>' && arg[1] == '>') /* append */
8532 arg += 2;
8533 else
8534 {
8535 /* Can use both "@a" and "@a>". */
8536 if (*arg == '>')
8537 arg++;
8538 /* Make register empty when not using @A-@Z and the
8539 * command is valid. */
8540 if (*arg == NUL && !isupper(redir_reg))
8541 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8542 }
8543 }
8544 if (*arg != NUL)
8545 {
8546 redir_reg = 0;
8547 EMSG2(_(e_invarg2), eap->arg);
8548 }
8549 }
8550 else if (*arg == '=' && arg[1] == '>')
8551 {
8552 int append;
8553
8554 /* redirect to a variable */
8555 close_redir();
8556 arg += 2;
8557
8558 if (*arg == '>')
8559 {
8560 ++arg;
8561 append = TRUE;
8562 }
8563 else
8564 append = FALSE;
8565
8566 if (var_redir_start(skipwhite(arg), append) == OK)
8567 redir_vname = 1;
8568 }
8569 #endif
8570
8571 /* TODO: redirect to a buffer */
8572
8573 else
8574 EMSG2(_(e_invarg2), eap->arg);
8575 }
8576
8577 /* Make sure redirection is not off. Can happen for cmdline completion
8578 * that indirectly invokes a command to catch its output. */
8579 if (redir_fd != NULL
8580 #ifdef FEAT_EVAL
8581 || redir_reg || redir_vname
8582 #endif
8583 )
8584 redir_off = FALSE;
8585 }
8586
8587 /*
8588 * ":redraw": force redraw
8589 */
8590 static void
8591 ex_redraw(eap)
8592 exarg_T *eap;
8593 {
8594 int r = RedrawingDisabled;
8595 int p = p_lz;
8596
8597 RedrawingDisabled = 0;
8598 p_lz = FALSE;
8599 update_topline();
8600 update_screen(eap->forceit ? CLEAR :
8601 #ifdef FEAT_VISUAL
8602 VIsual_active ? INVERTED :
8603 #endif
8604 0);
8605 #ifdef FEAT_TITLE
8606 if (need_maketitle)
8607 maketitle();
8608 #endif
8609 RedrawingDisabled = r;
8610 p_lz = p;
8611
8612 /* Reset msg_didout, so that a message that's there is overwritten. */
8613 msg_didout = FALSE;
8614 msg_col = 0;
8615
8616 out_flush();
8617 }
8618
8619 /*
8620 * ":redrawstatus": force redraw of status line(s)
8621 */
8622 /*ARGSUSED*/
8623 static void
8624 ex_redrawstatus(eap)
8625 exarg_T *eap;
8626 {
8627 #if defined(FEAT_WINDOWS)
8628 int r = RedrawingDisabled;
8629 int p = p_lz;
8630
8631 RedrawingDisabled = 0;
8632 p_lz = FALSE;
8633 if (eap->forceit)
8634 status_redraw_all();
8635 else
8636 status_redraw_curbuf();
8637 update_screen(
8638 # ifdef FEAT_VISUAL
8639 VIsual_active ? INVERTED :
8640 # endif
8641 0);
8642 RedrawingDisabled = r;
8643 p_lz = p;
8644 out_flush();
8645 #endif
8646 }
8647
8648 static void
8649 close_redir()
8650 {
8651 if (redir_fd != NULL)
8652 {
8653 fclose(redir_fd);
8654 redir_fd = NULL;
8655 }
8656 #ifdef FEAT_EVAL
8657 redir_reg = 0;
8658 if (redir_vname)
8659 {
8660 var_redir_stop();
8661 redir_vname = 0;
8662 }
8663 #endif
8664 }
8665
8666 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8667 # define MKSESSION_NL
8668 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8669 #endif
8670
8671 /*
8672 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8673 */
8674 static void
8675 ex_mkrc(eap)
8676 exarg_T *eap;
8677 {
8678 FILE *fd;
8679 int failed = FALSE;
8680 char_u *fname;
8681 #ifdef FEAT_BROWSE
8682 char_u *browseFile = NULL;
8683 #endif
8684 #ifdef FEAT_SESSION
8685 int view_session = FALSE;
8686 int using_vdir = FALSE; /* using 'viewdir'? */
8687 char_u *viewFile = NULL;
8688 unsigned *flagp;
8689 #endif
8690
8691 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8692 {
8693 #ifdef FEAT_SESSION
8694 view_session = TRUE;
8695 #else
8696 ex_ni(eap);
8697 return;
8698 #endif
8699 }
8700
8701 #ifdef FEAT_SESSION
8702 did_lcd = FALSE;
8703
8704 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8705 if (eap->cmdidx == CMD_mkview
8706 && (*eap->arg == NUL
8707 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8708 {
8709 eap->forceit = TRUE;
8710 fname = get_view_file(*eap->arg);
8711 if (fname == NULL)
8712 return;
8713 viewFile = fname;
8714 using_vdir = TRUE;
8715 }
8716 else
8717 #endif
8718 if (*eap->arg != NUL)
8719 fname = eap->arg;
8720 else if (eap->cmdidx == CMD_mkvimrc)
8721 fname = (char_u *)VIMRC_FILE;
8722 #ifdef FEAT_SESSION
8723 else if (eap->cmdidx == CMD_mksession)
8724 fname = (char_u *)SESSION_FILE;
8725 #endif
8726 else
8727 fname = (char_u *)EXRC_FILE;
8728
8729 #ifdef FEAT_BROWSE
8730 if (cmdmod.browse)
8731 {
8732 browseFile = do_browse(BROWSE_SAVE,
8733 # ifdef FEAT_SESSION
8734 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8735 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8736 # endif
8737 (char_u *)_("Save Setup"),
8738 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8739 if (browseFile == NULL)
8740 goto theend;
8741 fname = browseFile;
8742 eap->forceit = TRUE; /* since dialog already asked */
8743 }
8744 #endif
8745
8746 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8747 /* When using 'viewdir' may have to create the directory. */
8748 if (using_vdir && !mch_isdir(p_vdir))
8749 vim_mkdir_emsg(p_vdir, 0755);
8750 #endif
8751
8752 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8753 if (fd != NULL)
8754 {
8755 #ifdef FEAT_SESSION
8756 if (eap->cmdidx == CMD_mkview)
8757 flagp = &vop_flags;
8758 else
8759 flagp = &ssop_flags;
8760 #endif
8761
8762 #ifdef MKSESSION_NL
8763 /* "unix" in 'sessionoptions': use NL line separator */
8764 if (view_session && (*flagp & SSOP_UNIX))
8765 mksession_nl = TRUE;
8766 #endif
8767
8768 /* Write the version command for :mkvimrc */
8769 if (eap->cmdidx == CMD_mkvimrc)
8770 (void)put_line(fd, "version 6.0");
8771
8772 #ifdef FEAT_SESSION
8773 if (eap->cmdidx == CMD_mksession)
8774 {
8775 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8776 failed = TRUE;
8777 }
8778
8779 if (eap->cmdidx != CMD_mkview)
8780 #endif
8781 {
8782 /* Write setting 'compatible' first, because it has side effects.
8783 * For that same reason only do it when needed. */
8784 if (p_cp)
8785 (void)put_line(fd, "if !&cp | set cp | endif");
8786 else
8787 (void)put_line(fd, "if &cp | set nocp | endif");
8788 }
8789
8790 #ifdef FEAT_SESSION
8791 if (!view_session
8792 || (eap->cmdidx == CMD_mksession
8793 && (*flagp & SSOP_OPTIONS)))
8794 #endif
8795 failed |= (makemap(fd, NULL) == FAIL
8796 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8797
8798 #ifdef FEAT_SESSION
8799 if (!failed && view_session)
8800 {
8801 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8802 failed = TRUE;
8803 if (eap->cmdidx == CMD_mksession)
8804 {
8805 char_u dirnow[MAXPATHL]; /* current directory */
8806
8807 /*
8808 * Change to session file's dir.
8809 */
8810 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8811 || mch_chdir((char *)dirnow) != 0)
8812 *dirnow = NUL;
8813 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8814 {
8815 if (vim_chdirfile(fname) == OK)
8816 shorten_fnames(TRUE);
8817 }
8818 else if (*dirnow != NUL
8819 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8820 {
8821 if (mch_chdir((char *)globaldir) == 0)
8822 shorten_fnames(TRUE);
8823 }
8824
8825 failed |= (makeopens(fd, dirnow) == FAIL);
8826
8827 /* restore original dir */
8828 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8829 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8830 {
8831 if (mch_chdir((char *)dirnow) != 0)
8832 EMSG(_(e_prev_dir));
8833 shorten_fnames(TRUE);
8834 }
8835 }
8836 else
8837 {
8838 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8839 -1) == FAIL);
8840 }
8841 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8842 == FAIL)
8843 failed = TRUE;
8844 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8845 failed = TRUE;
8846 if (eap->cmdidx == CMD_mksession)
8847 {
8848 if (put_line(fd, "unlet SessionLoad") == FAIL)
8849 failed = TRUE;
8850 }
8851 }
8852 #endif
8853 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8854 failed = TRUE;
8855
8856 failed |= fclose(fd);
8857
8858 if (failed)
8859 EMSG(_(e_write));
8860 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8861 else if (eap->cmdidx == CMD_mksession)
8862 {
8863 /* successful session write - set this_session var */
8864 char_u tbuf[MAXPATHL];
8865
8866 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8867 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8868 }
8869 #endif
8870 #ifdef MKSESSION_NL
8871 mksession_nl = FALSE;
8872 #endif
8873 }
8874
8875 #ifdef FEAT_BROWSE
8876 theend:
8877 vim_free(browseFile);
8878 #endif
8879 #ifdef FEAT_SESSION
8880 vim_free(viewFile);
8881 #endif
8882 }
8883
8884 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8885 || defined(PROTO)
8886 /*ARGSUSED*/
8887 int
8888 vim_mkdir_emsg(name, prot)
8889 char_u *name;
8890 int prot;
8891 {
8892 if (vim_mkdir(name, prot) != 0)
8893 {
8894 EMSG2(_("E739: Cannot create directory: %s"), name);
8895 return FAIL;
8896 }
8897 return OK;
8898 }
8899 #endif
8900
8901 /*
8902 * Open a file for writing for an Ex command, with some checks.
8903 * Return file descriptor, or NULL on failure.
8904 */
8905 FILE *
8906 open_exfile(fname, forceit, mode)
8907 char_u *fname;
8908 int forceit;
8909 char *mode; /* "w" for create new file or "a" for append */
8910 {
8911 FILE *fd;
8912
8913 #ifdef UNIX
8914 /* with Unix it is possible to open a directory */
8915 if (mch_isdir(fname))
8916 {
8917 EMSG2(_(e_isadir2), fname);
8918 return NULL;
8919 }
8920 #endif
8921 if (!forceit && *mode != 'a' && vim_fexists(fname))
8922 {
8923 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8924 return NULL;
8925 }
8926
8927 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8928 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8929
8930 return fd;
8931 }
8932
8933 /*
8934 * ":mark" and ":k".
8935 */
8936 static void
8937 ex_mark(eap)
8938 exarg_T *eap;
8939 {
8940 pos_T pos;
8941
8942 if (*eap->arg == NUL) /* No argument? */
8943 EMSG(_(e_argreq));
8944 else if (eap->arg[1] != NUL) /* more than one character? */
8945 EMSG(_(e_trailing));
8946 else
8947 {
8948 pos = curwin->w_cursor; /* save curwin->w_cursor */
8949 curwin->w_cursor.lnum = eap->line2;
8950 beginline(BL_WHITE | BL_FIX);
8951 if (setmark(*eap->arg) == FAIL) /* set mark */
8952 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8953 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8954 }
8955 }
8956
8957 /*
8958 * Update w_topline, w_leftcol and the cursor position.
8959 */
8960 void
8961 update_topline_cursor()
8962 {
8963 check_cursor(); /* put cursor on valid line */
8964 update_topline();
8965 if (!curwin->w_p_wrap)
8966 validate_cursor();
8967 update_curswant();
8968 }
8969
8970 #ifdef FEAT_EX_EXTRA
8971 /*
8972 * ":normal[!] {commands}": Execute normal mode commands.
8973 */
8974 static void
8975 ex_normal(eap)
8976 exarg_T *eap;
8977 {
8978 int save_msg_scroll = msg_scroll;
8979 int save_restart_edit = restart_edit;
8980 int save_msg_didout = msg_didout;
8981 int save_State = State;
8982 tasave_T tabuf;
8983 int save_insertmode = p_im;
8984 int save_finish_op = finish_op;
8985 int save_opcount = opcount;
8986 #ifdef FEAT_MBYTE
8987 char_u *arg = NULL;
8988 int l;
8989 char_u *p;
8990 #endif
8991
8992 if (ex_normal_lock > 0)
8993 {
8994 EMSG(_(e_secure));
8995 return;
8996 }
8997 if (ex_normal_busy >= p_mmd)
8998 {
8999 EMSG(_("E192: Recursive use of :normal too deep"));
9000 return;
9001 }
9002 ++ex_normal_busy;
9003
9004 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9005 restart_edit = 0; /* don't go to Insert mode */
9006 p_im = FALSE; /* don't use 'insertmode' */
9007
9008 #ifdef FEAT_MBYTE
9009 /*
9010 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9011 * this for the K_SPECIAL leading byte, otherwise special keys will not
9012 * work.
9013 */
9014 if (has_mbyte)
9015 {
9016 int len = 0;
9017
9018 /* Count the number of characters to be escaped. */
9019 for (p = eap->arg; *p != NUL; ++p)
9020 {
9021 # ifdef FEAT_GUI
9022 if (*p == CSI) /* leadbyte CSI */
9023 len += 2;
9024 # endif
9025 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9026 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9027 # ifdef FEAT_GUI
9028 || *p == CSI
9029 # endif
9030 )
9031 len += 2;
9032 }
9033 if (len > 0)
9034 {
9035 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9036 if (arg != NULL)
9037 {
9038 len = 0;
9039 for (p = eap->arg; *p != NUL; ++p)
9040 {
9041 arg[len++] = *p;
9042 # ifdef FEAT_GUI
9043 if (*p == CSI)
9044 {
9045 arg[len++] = KS_EXTRA;
9046 arg[len++] = (int)KE_CSI;
9047 }
9048 # endif
9049 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9050 {
9051 arg[len++] = *++p;
9052 if (*p == K_SPECIAL)
9053 {
9054 arg[len++] = KS_SPECIAL;
9055 arg[len++] = KE_FILLER;
9056 }
9057 # ifdef FEAT_GUI
9058 else if (*p == CSI)
9059 {
9060 arg[len++] = KS_EXTRA;
9061 arg[len++] = (int)KE_CSI;
9062 }
9063 # endif
9064 }
9065 arg[len] = NUL;
9066 }
9067 }
9068 }
9069 }
9070 #endif
9071
9072 /*
9073 * Save the current typeahead. This is required to allow using ":normal"
9074 * from an event handler and makes sure we don't hang when the argument
9075 * ends with half a command.
9076 */
9077 save_typeahead(&tabuf);
9078 if (tabuf.typebuf_valid)
9079 {
9080 /*
9081 * Repeat the :normal command for each line in the range. When no
9082 * range given, execute it just once, without positioning the cursor
9083 * first.
9084 */
9085 do
9086 {
9087 if (eap->addr_count != 0)
9088 {
9089 curwin->w_cursor.lnum = eap->line1++;
9090 curwin->w_cursor.col = 0;
9091 }
9092
9093 exec_normal_cmd(
9094 #ifdef FEAT_MBYTE
9095 arg != NULL ? arg :
9096 #endif
9097 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9098 }
9099 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9100 }
9101
9102 /* Might not return to the main loop when in an event handler. */
9103 update_topline_cursor();
9104
9105 /* Restore the previous typeahead. */
9106 restore_typeahead(&tabuf);
9107
9108 --ex_normal_busy;
9109 msg_scroll = save_msg_scroll;
9110 restart_edit = save_restart_edit;
9111 p_im = save_insertmode;
9112 finish_op = save_finish_op;
9113 opcount = save_opcount;
9114 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9115
9116 /* Restore the state (needed when called from a function executed for
9117 * 'indentexpr'). */
9118 State = save_State;
9119 #ifdef FEAT_MBYTE
9120 vim_free(arg);
9121 #endif
9122 }
9123
9124 /*
9125 * ":startinsert", ":startreplace" and ":startgreplace"
9126 */
9127 static void
9128 ex_startinsert(eap)
9129 exarg_T *eap;
9130 {
9131 if (eap->forceit)
9132 {
9133 coladvance((colnr_T)MAXCOL);
9134 curwin->w_curswant = MAXCOL;
9135 curwin->w_set_curswant = FALSE;
9136 }
9137
9138 /* Ignore the command when already in Insert mode. Inserting an
9139 * expression register that invokes a function can do this. */
9140 if (State & INSERT)
9141 return;
9142
9143 if (eap->cmdidx == CMD_startinsert)
9144 restart_edit = 'a';
9145 else if (eap->cmdidx == CMD_startreplace)
9146 restart_edit = 'R';
9147 else
9148 restart_edit = 'V';
9149
9150 if (!eap->forceit)
9151 {
9152 if (eap->cmdidx == CMD_startinsert)
9153 restart_edit = 'i';
9154 curwin->w_curswant = 0; /* avoid MAXCOL */
9155 }
9156 }
9157
9158 /*
9159 * ":stopinsert"
9160 */
9161 /*ARGSUSED*/
9162 static void
9163 ex_stopinsert(eap)
9164 exarg_T *eap;
9165 {
9166 restart_edit = 0;
9167 stop_insert_mode = TRUE;
9168 }
9169 #endif
9170
9171 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9172 /*
9173 * Execute normal mode command "cmd".
9174 * "remap" can be REMAP_NONE or REMAP_YES.
9175 */
9176 void
9177 exec_normal_cmd(cmd, remap, silent)
9178 char_u *cmd;
9179 int remap;
9180 int silent;
9181 {
9182 oparg_T oa;
9183
9184 /*
9185 * Stuff the argument into the typeahead buffer.
9186 * Execute normal_cmd() until there is no typeahead left.
9187 */
9188 clear_oparg(&oa);
9189 finish_op = FALSE;
9190 ins_typebuf(cmd, remap, 0, TRUE, silent);
9191 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9192 && !got_int)
9193 {
9194 update_topline_cursor();
9195 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9196 }
9197 }
9198 #endif
9199
9200 #ifdef FEAT_FIND_ID
9201 static void
9202 ex_checkpath(eap)
9203 exarg_T *eap;
9204 {
9205 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9206 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9207 (linenr_T)1, (linenr_T)MAXLNUM);
9208 }
9209
9210 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9211 /*
9212 * ":psearch"
9213 */
9214 static void
9215 ex_psearch(eap)
9216 exarg_T *eap;
9217 {
9218 g_do_tagpreview = p_pvh;
9219 ex_findpat(eap);
9220 g_do_tagpreview = 0;
9221 }
9222 #endif
9223
9224 static void
9225 ex_findpat(eap)
9226 exarg_T *eap;
9227 {
9228 int whole = TRUE;
9229 long n;
9230 char_u *p;
9231 int action;
9232
9233 switch (cmdnames[eap->cmdidx].cmd_name[2])
9234 {
9235 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9236 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9237 action = ACTION_GOTO;
9238 else
9239 action = ACTION_SHOW;
9240 break;
9241 case 'i': /* ":ilist" and ":dlist" */
9242 action = ACTION_SHOW_ALL;
9243 break;
9244 case 'u': /* ":ijump" and ":djump" */
9245 action = ACTION_GOTO;
9246 break;
9247 default: /* ":isplit" and ":dsplit" */
9248 action = ACTION_SPLIT;
9249 break;
9250 }
9251
9252 n = 1;
9253 if (vim_isdigit(*eap->arg)) /* get count */
9254 {
9255 n = getdigits(&eap->arg);
9256 eap->arg = skipwhite(eap->arg);
9257 }
9258 if (*eap->arg == '/') /* Match regexp, not just whole words */
9259 {
9260 whole = FALSE;
9261 ++eap->arg;
9262 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9263 if (*p)
9264 {
9265 *p++ = NUL;
9266 p = skipwhite(p);
9267
9268 /* Check for trailing illegal characters */
9269 if (!ends_excmd(*p))
9270 eap->errmsg = e_trailing;
9271 else
9272 eap->nextcmd = check_nextcmd(p);
9273 }
9274 }
9275 if (!eap->skip)
9276 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9277 whole, !eap->forceit,
9278 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9279 n, action, eap->line1, eap->line2);
9280 }
9281 #endif
9282
9283 #ifdef FEAT_WINDOWS
9284
9285 # ifdef FEAT_QUICKFIX
9286 /*
9287 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9288 */
9289 static void
9290 ex_ptag(eap)
9291 exarg_T *eap;
9292 {
9293 g_do_tagpreview = p_pvh;
9294 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9295 }
9296
9297 /*
9298 * ":pedit"
9299 */
9300 static void
9301 ex_pedit(eap)
9302 exarg_T *eap;
9303 {
9304 win_T *curwin_save = curwin;
9305
9306 g_do_tagpreview = p_pvh;
9307 prepare_tagpreview(TRUE);
9308 keep_help_flag = curwin_save->w_buffer->b_help;
9309 do_exedit(eap, NULL);
9310 keep_help_flag = FALSE;
9311 if (curwin != curwin_save && win_valid(curwin_save))
9312 {
9313 /* Return cursor to where we were */
9314 validate_cursor();
9315 redraw_later(VALID);
9316 win_enter(curwin_save, TRUE);
9317 }
9318 g_do_tagpreview = 0;
9319 }
9320 # endif
9321
9322 /*
9323 * ":stag", ":stselect" and ":stjump".
9324 */
9325 static void
9326 ex_stag(eap)
9327 exarg_T *eap;
9328 {
9329 postponed_split = -1;
9330 postponed_split_flags = cmdmod.split;
9331 postponed_split_tab = cmdmod.tab;
9332 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9333 postponed_split_flags = 0;
9334 postponed_split_tab = 0;
9335 }
9336 #endif
9337
9338 /*
9339 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9340 */
9341 static void
9342 ex_tag(eap)
9343 exarg_T *eap;
9344 {
9345 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9346 }
9347
9348 static void
9349 ex_tag_cmd(eap, name)
9350 exarg_T *eap;
9351 char_u *name;
9352 {
9353 int cmd;
9354
9355 switch (name[1])
9356 {
9357 case 'j': cmd = DT_JUMP; /* ":tjump" */
9358 break;
9359 case 's': cmd = DT_SELECT; /* ":tselect" */
9360 break;
9361 case 'p': cmd = DT_PREV; /* ":tprevious" */
9362 break;
9363 case 'N': cmd = DT_PREV; /* ":tNext" */
9364 break;
9365 case 'n': cmd = DT_NEXT; /* ":tnext" */
9366 break;
9367 case 'o': cmd = DT_POP; /* ":pop" */
9368 break;
9369 case 'f': /* ":tfirst" */
9370 case 'r': cmd = DT_FIRST; /* ":trewind" */
9371 break;
9372 case 'l': cmd = DT_LAST; /* ":tlast" */
9373 break;
9374 default: /* ":tag" */
9375 #ifdef FEAT_CSCOPE
9376 if (p_cst && *eap->arg != NUL)
9377 {
9378 do_cstag(eap);
9379 return;
9380 }
9381 #endif
9382 cmd = DT_TAG;
9383 break;
9384 }
9385
9386 if (name[0] == 'l')
9387 {
9388 #ifndef FEAT_QUICKFIX
9389 ex_ni(eap);
9390 return;
9391 #else
9392 cmd = DT_LTAG;
9393 #endif
9394 }
9395
9396 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9397 eap->forceit, TRUE);
9398 }
9399
9400 /*
9401 * Check "str" for starting with a special cmdline variable.
9402 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9403 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9404 */
9405 int
9406 find_cmdline_var(src, usedlen)
9407 char_u *src;
9408 int *usedlen;
9409 {
9410 int len;
9411 int i;
9412 static char *(spec_str[]) = {
9413 "%",
9414 #define SPEC_PERC 0
9415 "#",
9416 #define SPEC_HASH 1
9417 "<cword>", /* cursor word */
9418 #define SPEC_CWORD 2
9419 "<cWORD>", /* cursor WORD */
9420 #define SPEC_CCWORD 3
9421 "<cfile>", /* cursor path name */
9422 #define SPEC_CFILE 4
9423 "<sfile>", /* ":so" file name */
9424 #define SPEC_SFILE 5
9425 #ifdef FEAT_AUTOCMD
9426 "<afile>", /* autocommand file name */
9427 # define SPEC_AFILE 6
9428 "<abuf>", /* autocommand buffer number */
9429 # define SPEC_ABUF 7
9430 "<amatch>", /* autocommand match name */
9431 # define SPEC_AMATCH 8
9432 #endif
9433 #ifdef FEAT_CLIENTSERVER
9434 "<client>"
9435 # define SPEC_CLIENT 9
9436 #endif
9437 };
9438 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9439
9440 for (i = 0; i < SPEC_COUNT; ++i)
9441 {
9442 len = (int)STRLEN(spec_str[i]);
9443 if (STRNCMP(src, spec_str[i], len) == 0)
9444 {
9445 *usedlen = len;
9446 return i;
9447 }
9448 }
9449 return -1;
9450 }
9451
9452 /*
9453 * Evaluate cmdline variables.
9454 *
9455 * change '%' to curbuf->b_ffname
9456 * '#' to curwin->w_altfile
9457 * '<cword>' to word under the cursor
9458 * '<cWORD>' to WORD under the cursor
9459 * '<cfile>' to path name under the cursor
9460 * '<sfile>' to sourced file name
9461 * '<afile>' to file name for autocommand
9462 * '<abuf>' to buffer number for autocommand
9463 * '<amatch>' to matching name for autocommand
9464 *
9465 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9466 * "" for error without a message) and NULL is returned.
9467 * Returns an allocated string if a valid match was found.
9468 * Returns NULL if no match was found. "usedlen" then still contains the
9469 * number of characters to skip.
9470 */
9471 char_u *
9472 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9473 char_u *src; /* pointer into commandline */
9474 char_u *srcstart; /* beginning of valid memory for src */
9475 int *usedlen; /* characters after src that are used */
9476 linenr_T *lnump; /* line number for :e command, or NULL */
9477 char_u **errormsg; /* pointer to error message */
9478 int *escaped; /* return value has escaped white space (can
9479 * be NULL) */
9480 {
9481 int i;
9482 char_u *s;
9483 char_u *result;
9484 char_u *resultbuf = NULL;
9485 int resultlen;
9486 buf_T *buf;
9487 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9488 int spec_idx;
9489 #ifdef FEAT_MODIFY_FNAME
9490 int skip_mod = FALSE;
9491 #endif
9492
9493 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9494 char_u strbuf[30];
9495 #endif
9496
9497 *errormsg = NULL;
9498 if (escaped != NULL)
9499 *escaped = FALSE;
9500
9501 /*
9502 * Check if there is something to do.
9503 */
9504 spec_idx = find_cmdline_var(src, usedlen);
9505 if (spec_idx < 0) /* no match */
9506 {
9507 *usedlen = 1;
9508 return NULL;
9509 }
9510
9511 /*
9512 * Skip when preceded with a backslash "\%" and "\#".
9513 * Note: In "\\%" the % is also not recognized!
9514 */
9515 if (src > srcstart && src[-1] == '\\')
9516 {
9517 *usedlen = 0;
9518 STRMOVE(src - 1, src); /* remove backslash */
9519 return NULL;
9520 }
9521
9522 /*
9523 * word or WORD under cursor
9524 */
9525 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9526 {
9527 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9528 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9529 if (resultlen == 0)
9530 {
9531 *errormsg = (char_u *)"";
9532 return NULL;
9533 }
9534 }
9535
9536 /*
9537 * '#': Alternate file name
9538 * '%': Current file name
9539 * File name under the cursor
9540 * File name for autocommand
9541 * and following modifiers
9542 */
9543 else
9544 {
9545 switch (spec_idx)
9546 {
9547 case SPEC_PERC: /* '%': current file */
9548 if (curbuf->b_fname == NULL)
9549 {
9550 result = (char_u *)"";
9551 valid = 0; /* Must have ":p:h" to be valid */
9552 }
9553 else
9554 #ifdef RISCOS
9555 /* Always use the full path for RISC OS if possible. */
9556 result = curbuf->b_ffname;
9557 if (result == NULL)
9558 result = curbuf->b_fname;
9559 #else
9560 result = curbuf->b_fname;
9561 #endif
9562 break;
9563
9564 case SPEC_HASH: /* '#' or "#99": alternate file */
9565 if (src[1] == '#') /* "##": the argument list */
9566 {
9567 result = arg_all();
9568 resultbuf = result;
9569 *usedlen = 2;
9570 if (escaped != NULL)
9571 *escaped = TRUE;
9572 #ifdef FEAT_MODIFY_FNAME
9573 skip_mod = TRUE;
9574 #endif
9575 break;
9576 }
9577 s = src + 1;
9578 if (*s == '<') /* "#<99" uses v:oldfiles */
9579 ++s;
9580 i = (int)getdigits(&s);
9581 *usedlen = (int)(s - src); /* length of what we expand */
9582
9583 if (src[1] == '<')
9584 {
9585 if (*usedlen < 2)
9586 {
9587 /* Should we give an error message for #<text? */
9588 *usedlen = 1;
9589 return NULL;
9590 }
9591 #ifdef FEAT_EVAL
9592 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9593 (long)i);
9594 if (result == NULL)
9595 {
9596 *errormsg = (char_u *)"";
9597 return NULL;
9598 }
9599 #else
9600 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9601 return NULL;
9602 #endif
9603 }
9604 else
9605 {
9606 buf = buflist_findnr(i);
9607 if (buf == NULL)
9608 {
9609 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9610 return NULL;
9611 }
9612 if (lnump != NULL)
9613 *lnump = ECMD_LAST;
9614 if (buf->b_fname == NULL)
9615 {
9616 result = (char_u *)"";
9617 valid = 0; /* Must have ":p:h" to be valid */
9618 }
9619 else
9620 result = buf->b_fname;
9621 }
9622 break;
9623
9624 #ifdef FEAT_SEARCHPATH
9625 case SPEC_CFILE: /* file name under cursor */
9626 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9627 if (result == NULL)
9628 {
9629 *errormsg = (char_u *)"";
9630 return NULL;
9631 }
9632 resultbuf = result; /* remember allocated string */
9633 break;
9634 #endif
9635
9636 #ifdef FEAT_AUTOCMD
9637 case SPEC_AFILE: /* file name for autocommand */
9638 result = autocmd_fname;
9639 if (result != NULL && !autocmd_fname_full)
9640 {
9641 /* Still need to turn the fname into a full path. It is
9642 * postponed to avoid a delay when <afile> is not used. */
9643 autocmd_fname_full = TRUE;
9644 result = FullName_save(autocmd_fname, FALSE);
9645 vim_free(autocmd_fname);
9646 autocmd_fname = result;
9647 }
9648 if (result == NULL)
9649 {
9650 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9651 return NULL;
9652 }
9653 result = shorten_fname1(result);
9654 break;
9655
9656 case SPEC_ABUF: /* buffer number for autocommand */
9657 if (autocmd_bufnr <= 0)
9658 {
9659 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9660 return NULL;
9661 }
9662 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9663 result = strbuf;
9664 break;
9665
9666 case SPEC_AMATCH: /* match name for autocommand */
9667 result = autocmd_match;
9668 if (result == NULL)
9669 {
9670 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9671 return NULL;
9672 }
9673 break;
9674
9675 #endif
9676 case SPEC_SFILE: /* file name for ":so" command */
9677 result = sourcing_name;
9678 if (result == NULL)
9679 {
9680 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9681 return NULL;
9682 }
9683 break;
9684 #if defined(FEAT_CLIENTSERVER)
9685 case SPEC_CLIENT: /* Source of last submitted input */
9686 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9687 (long_u)clientWindow);
9688 result = strbuf;
9689 break;
9690 #endif
9691 }
9692
9693 resultlen = (int)STRLEN(result); /* length of new string */
9694 if (src[*usedlen] == '<') /* remove the file name extension */
9695 {
9696 ++*usedlen;
9697 #ifdef RISCOS
9698 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9699 #else
9700 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9701 #endif
9702 resultlen = (int)(s - result);
9703 }
9704 #ifdef FEAT_MODIFY_FNAME
9705 else if (!skip_mod)
9706 {
9707 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9708 &resultlen);
9709 if (result == NULL)
9710 {
9711 *errormsg = (char_u *)"";
9712 return NULL;
9713 }
9714 }
9715 #endif
9716 }
9717
9718 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9719 {
9720 if (valid != VALID_HEAD + VALID_PATH)
9721 /* xgettext:no-c-format */
9722 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9723 else
9724 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9725 result = NULL;
9726 }
9727 else
9728 result = vim_strnsave(result, resultlen);
9729 vim_free(resultbuf);
9730 return result;
9731 }
9732
9733 /*
9734 * Concatenate all files in the argument list, separated by spaces, and return
9735 * it in one allocated string.
9736 * Spaces and backslashes in the file names are escaped with a backslash.
9737 * Returns NULL when out of memory.
9738 */
9739 static char_u *
9740 arg_all()
9741 {
9742 int len;
9743 int idx;
9744 char_u *retval = NULL;
9745 char_u *p;
9746
9747 /*
9748 * Do this loop two times:
9749 * first time: compute the total length
9750 * second time: concatenate the names
9751 */
9752 for (;;)
9753 {
9754 len = 0;
9755 for (idx = 0; idx < ARGCOUNT; ++idx)
9756 {
9757 p = alist_name(&ARGLIST[idx]);
9758 if (p != NULL)
9759 {
9760 if (len > 0)
9761 {
9762 /* insert a space in between names */
9763 if (retval != NULL)
9764 retval[len] = ' ';
9765 ++len;
9766 }
9767 for ( ; *p != NUL; ++p)
9768 {
9769 if (*p == ' ' || *p == '\\')
9770 {
9771 /* insert a backslash */
9772 if (retval != NULL)
9773 retval[len] = '\\';
9774 ++len;
9775 }
9776 if (retval != NULL)
9777 retval[len] = *p;
9778 ++len;
9779 }
9780 }
9781 }
9782
9783 /* second time: break here */
9784 if (retval != NULL)
9785 {
9786 retval[len] = NUL;
9787 break;
9788 }
9789
9790 /* allocate memory */
9791 retval = alloc(len + 1);
9792 if (retval == NULL)
9793 break;
9794 }
9795
9796 return retval;
9797 }
9798
9799 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9800 /*
9801 * Expand the <sfile> string in "arg".
9802 *
9803 * Returns an allocated string, or NULL for any error.
9804 */
9805 char_u *
9806 expand_sfile(arg)
9807 char_u *arg;
9808 {
9809 char_u *errormsg;
9810 int len;
9811 char_u *result;
9812 char_u *newres;
9813 char_u *repl;
9814 int srclen;
9815 char_u *p;
9816
9817 result = vim_strsave(arg);
9818 if (result == NULL)
9819 return NULL;
9820
9821 for (p = result; *p; )
9822 {
9823 if (STRNCMP(p, "<sfile>", 7) != 0)
9824 ++p;
9825 else
9826 {
9827 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9828 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9829 if (errormsg != NULL)
9830 {
9831 if (*errormsg)
9832 emsg(errormsg);
9833 vim_free(result);
9834 return NULL;
9835 }
9836 if (repl == NULL) /* no match (cannot happen) */
9837 {
9838 p += srclen;
9839 continue;
9840 }
9841 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9842 newres = alloc(len);
9843 if (newres == NULL)
9844 {
9845 vim_free(repl);
9846 vim_free(result);
9847 return NULL;
9848 }
9849 mch_memmove(newres, result, (size_t)(p - result));
9850 STRCPY(newres + (p - result), repl);
9851 len = (int)STRLEN(newres);
9852 STRCAT(newres, p + srclen);
9853 vim_free(repl);
9854 vim_free(result);
9855 result = newres;
9856 p = newres + len; /* continue after the match */
9857 }
9858 }
9859
9860 return result;
9861 }
9862 #endif
9863
9864 #ifdef FEAT_SESSION
9865 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9866 win_T *tab_firstwin));
9867 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9868 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9869 static int ses_do_frame __ARGS((frame_T *fr));
9870 static int ses_do_win __ARGS((win_T *wp));
9871 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9872 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9873 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9874
9875 /*
9876 * Write openfile commands for the current buffers to an .exrc file.
9877 * Return FAIL on error, OK otherwise.
9878 */
9879 static int
9880 makeopens(fd, dirnow)
9881 FILE *fd;
9882 char_u *dirnow; /* Current directory name */
9883 {
9884 buf_T *buf;
9885 int only_save_windows = TRUE;
9886 int nr;
9887 int cnr = 1;
9888 int restore_size = TRUE;
9889 win_T *wp;
9890 char_u *sname;
9891 win_T *edited_win = NULL;
9892 int tabnr;
9893 win_T *tab_firstwin;
9894 frame_T *tab_topframe;
9895 int cur_arg_idx = 0;
9896 int next_arg_idx = 0;
9897
9898 if (ssop_flags & SSOP_BUFFERS)
9899 only_save_windows = FALSE; /* Save ALL buffers */
9900
9901 /*
9902 * Begin by setting the this_session variable, and then other
9903 * sessionable variables.
9904 */
9905 #ifdef FEAT_EVAL
9906 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9907 return FAIL;
9908 if (ssop_flags & SSOP_GLOBALS)
9909 if (store_session_globals(fd) == FAIL)
9910 return FAIL;
9911 #endif
9912
9913 /*
9914 * Close all windows but one.
9915 */
9916 if (put_line(fd, "silent only") == FAIL)
9917 return FAIL;
9918
9919 /*
9920 * Now a :cd command to the session directory or the current directory
9921 */
9922 if (ssop_flags & SSOP_SESDIR)
9923 {
9924 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9925 == FAIL)
9926 return FAIL;
9927 }
9928 else if (ssop_flags & SSOP_CURDIR)
9929 {
9930 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9931 if (sname == NULL
9932 || fputs("cd ", fd) < 0
9933 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9934 || put_eol(fd) == FAIL)
9935 {
9936 vim_free(sname);
9937 return FAIL;
9938 }
9939 vim_free(sname);
9940 }
9941
9942 /*
9943 * If there is an empty, unnamed buffer we will wipe it out later.
9944 * Remember the buffer number.
9945 */
9946 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9947 return FAIL;
9948 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9949 return FAIL;
9950 if (put_line(fd, "endif") == FAIL)
9951 return FAIL;
9952
9953 /*
9954 * Now save the current files, current buffer first.
9955 */
9956 if (put_line(fd, "set shortmess=aoO") == FAIL)
9957 return FAIL;
9958
9959 /* Now put the other buffers into the buffer list */
9960 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9961 {
9962 if (!(only_save_windows && buf->b_nwindows == 0)
9963 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9964 && buf->b_fname != NULL
9965 && buf->b_p_bl)
9966 {
9967 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9968 : buf->b_wininfo->wi_fpos.lnum) < 0
9969 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9970 return FAIL;
9971 }
9972 }
9973
9974 /* the global argument list */
9975 if (ses_arglist(fd, "args", &global_alist.al_ga,
9976 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9977 return FAIL;
9978
9979 if (ssop_flags & SSOP_RESIZE)
9980 {
9981 /* Note: after the restore we still check it worked!*/
9982 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9983 || put_eol(fd) == FAIL)
9984 return FAIL;
9985 }
9986
9987 #ifdef FEAT_GUI
9988 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9989 {
9990 int x, y;
9991
9992 if (gui_mch_get_winpos(&x, &y) == OK)
9993 {
9994 /* Note: after the restore we still check it worked!*/
9995 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9996 return FAIL;
9997 }
9998 }
9999 #endif
10000
10001 /*
10002 * May repeat putting Windows for each tab, when "tabpages" is in
10003 * 'sessionoptions'.
10004 * Don't use goto_tabpage(), it may change directory and trigger
10005 * autocommands.
10006 */
10007 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10008 tab_topframe = topframe;
10009 for (tabnr = 1; ; ++tabnr)
10010 {
10011 int need_tabnew = FALSE;
10012
10013 if ((ssop_flags & SSOP_TABPAGES))
10014 {
10015 tabpage_T *tp = find_tabpage(tabnr);
10016
10017 if (tp == NULL)
10018 break; /* done all tab pages */
10019 if (tp == curtab)
10020 {
10021 tab_firstwin = firstwin;
10022 tab_topframe = topframe;
10023 }
10024 else
10025 {
10026 tab_firstwin = tp->tp_firstwin;
10027 tab_topframe = tp->tp_topframe;
10028 }
10029 if (tabnr > 1)
10030 need_tabnew = TRUE;
10031 }
10032
10033 /*
10034 * Before creating the window layout, try loading one file. If this
10035 * is aborted we don't end up with a number of useless windows.
10036 * This may have side effects! (e.g., compressed or network file).
10037 */
10038 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10039 {
10040 if (ses_do_win(wp)
10041 && wp->w_buffer->b_ffname != NULL
10042 && !wp->w_buffer->b_help
10043 #ifdef FEAT_QUICKFIX
10044 && !bt_nofile(wp->w_buffer)
10045 #endif
10046 )
10047 {
10048 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10049 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10050 return FAIL;
10051 need_tabnew = FALSE;
10052 if (!wp->w_arg_idx_invalid)
10053 edited_win = wp;
10054 break;
10055 }
10056 }
10057
10058 /* If no file got edited create an empty tab page. */
10059 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10060 return FAIL;
10061
10062 /*
10063 * Save current window layout.
10064 */
10065 if (put_line(fd, "set splitbelow splitright") == FAIL)
10066 return FAIL;
10067 if (ses_win_rec(fd, tab_topframe) == FAIL)
10068 return FAIL;
10069 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10070 return FAIL;
10071 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10072 return FAIL;
10073
10074 /*
10075 * Check if window sizes can be restored (no windows omitted).
10076 * Remember the window number of the current window after restoring.
10077 */
10078 nr = 0;
10079 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10080 {
10081 if (ses_do_win(wp))
10082 ++nr;
10083 else
10084 restore_size = FALSE;
10085 if (curwin == wp)
10086 cnr = nr;
10087 }
10088
10089 /* Go to the first window. */
10090 if (put_line(fd, "wincmd t") == FAIL)
10091 return FAIL;
10092
10093 /*
10094 * If more than one window, see if sizes can be restored.
10095 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10096 * resized when moving between windows.
10097 * Do this before restoring the view, so that the topline and the
10098 * cursor can be set. This is done again below.
10099 */
10100 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10101 return FAIL;
10102 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10103 return FAIL;
10104
10105 /*
10106 * Restore the view of the window (options, file, cursor, etc.).
10107 */
10108 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10109 {
10110 if (!ses_do_win(wp))
10111 continue;
10112 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10113 cur_arg_idx) == FAIL)
10114 return FAIL;
10115 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10116 return FAIL;
10117 next_arg_idx = wp->w_arg_idx;
10118 }
10119
10120 /* The argument index in the first tab page is zero, need to set it in
10121 * each window. For further tab pages it's the window where we do
10122 * "tabedit". */
10123 cur_arg_idx = next_arg_idx;
10124
10125 /*
10126 * Restore cursor to the current window if it's not the first one.
10127 */
10128 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10129 || put_eol(fd) == FAIL))
10130 return FAIL;
10131
10132 /*
10133 * Restore window sizes again after jumping around in windows, because
10134 * the current window has a minimum size while others may not.
10135 */
10136 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10137 return FAIL;
10138
10139 /* Don't continue in another tab page when doing only the current one
10140 * or when at the last tab page. */
10141 if (!(ssop_flags & SSOP_TABPAGES))
10142 break;
10143 }
10144
10145 if (ssop_flags & SSOP_TABPAGES)
10146 {
10147 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10148 || put_eol(fd) == FAIL)
10149 return FAIL;
10150 }
10151
10152 /*
10153 * Wipe out an empty unnamed buffer we started in.
10154 */
10155 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10156 return FAIL;
10157 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10158 return FAIL;
10159 if (put_line(fd, "endif") == FAIL)
10160 return FAIL;
10161 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10162 return FAIL;
10163
10164 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10165 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10166 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10167 return FAIL;
10168
10169 /*
10170 * Lastly, execute the x.vim file if it exists.
10171 */
10172 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10173 || put_line(fd, "if file_readable(s:sx)") == FAIL
10174 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10175 || put_line(fd, "endif") == FAIL)
10176 return FAIL;
10177
10178 return OK;
10179 }
10180
10181 static int
10182 ses_winsizes(fd, restore_size, tab_firstwin)
10183 FILE *fd;
10184 int restore_size;
10185 win_T *tab_firstwin;
10186 {
10187 int n = 0;
10188 win_T *wp;
10189
10190 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10191 {
10192 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10193 {
10194 if (!ses_do_win(wp))
10195 continue;
10196 ++n;
10197
10198 /* restore height when not full height */
10199 if (wp->w_height + wp->w_status_height < topframe->fr_height
10200 && (fprintf(fd,
10201 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10202 n, (long)wp->w_height, Rows / 2, Rows) < 0
10203 || put_eol(fd) == FAIL))
10204 return FAIL;
10205
10206 /* restore width when not full width */
10207 if (wp->w_width < Columns && (fprintf(fd,
10208 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10209 n, (long)wp->w_width, Columns / 2, Columns) < 0
10210 || put_eol(fd) == FAIL))
10211 return FAIL;
10212 }
10213 }
10214 else
10215 {
10216 /* Just equalise window sizes */
10217 if (put_line(fd, "wincmd =") == FAIL)
10218 return FAIL;
10219 }
10220 return OK;
10221 }
10222
10223 /*
10224 * Write commands to "fd" to recursively create windows for frame "fr",
10225 * horizontally and vertically split.
10226 * After the commands the last window in the frame is the current window.
10227 * Returns FAIL when writing the commands to "fd" fails.
10228 */
10229 static int
10230 ses_win_rec(fd, fr)
10231 FILE *fd;
10232 frame_T *fr;
10233 {
10234 frame_T *frc;
10235 int count = 0;
10236
10237 if (fr->fr_layout != FR_LEAF)
10238 {
10239 /* Find first frame that's not skipped and then create a window for
10240 * each following one (first frame is already there). */
10241 frc = ses_skipframe(fr->fr_child);
10242 if (frc != NULL)
10243 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10244 {
10245 /* Make window as big as possible so that we have lots of room
10246 * to split. */
10247 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10248 || put_line(fd, fr->fr_layout == FR_COL
10249 ? "split" : "vsplit") == FAIL)
10250 return FAIL;
10251 ++count;
10252 }
10253
10254 /* Go back to the first window. */
10255 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10256 ? "%dwincmd k" : "%dwincmd h", count) < 0
10257 || put_eol(fd) == FAIL))
10258 return FAIL;
10259
10260 /* Recursively create frames/windows in each window of this column or
10261 * row. */
10262 frc = ses_skipframe(fr->fr_child);
10263 while (frc != NULL)
10264 {
10265 ses_win_rec(fd, frc);
10266 frc = ses_skipframe(frc->fr_next);
10267 /* Go to next window. */
10268 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10269 return FAIL;
10270 }
10271 }
10272 return OK;
10273 }
10274
10275 /*
10276 * Skip frames that don't contain windows we want to save in the Session.
10277 * Returns NULL when there none.
10278 */
10279 static frame_T *
10280 ses_skipframe(fr)
10281 frame_T *fr;
10282 {
10283 frame_T *frc;
10284
10285 for (frc = fr; frc != NULL; frc = frc->fr_next)
10286 if (ses_do_frame(frc))
10287 break;
10288 return frc;
10289 }
10290
10291 /*
10292 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10293 * the Session.
10294 */
10295 static int
10296 ses_do_frame(fr)
10297 frame_T *fr;
10298 {
10299 frame_T *frc;
10300
10301 if (fr->fr_layout == FR_LEAF)
10302 return ses_do_win(fr->fr_win);
10303 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10304 if (ses_do_frame(frc))
10305 return TRUE;
10306 return FALSE;
10307 }
10308
10309 /*
10310 * Return non-zero if window "wp" is to be stored in the Session.
10311 */
10312 static int
10313 ses_do_win(wp)
10314 win_T *wp;
10315 {
10316 if (wp->w_buffer->b_fname == NULL
10317 #ifdef FEAT_QUICKFIX
10318 /* When 'buftype' is "nofile" can't restore the window contents. */
10319 || bt_nofile(wp->w_buffer)
10320 #endif
10321 )
10322 return (ssop_flags & SSOP_BLANK);
10323 if (wp->w_buffer->b_help)
10324 return (ssop_flags & SSOP_HELP);
10325 return TRUE;
10326 }
10327
10328 /*
10329 * Write commands to "fd" to restore the view of a window.
10330 * Caller must make sure 'scrolloff' is zero.
10331 */
10332 static int
10333 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10334 FILE *fd;
10335 win_T *wp;
10336 int add_edit; /* add ":edit" command to view */
10337 unsigned *flagp; /* vop_flags or ssop_flags */
10338 int current_arg_idx; /* current argument index of the window, use
10339 * -1 if unknown */
10340 {
10341 win_T *save_curwin;
10342 int f;
10343 int do_cursor;
10344 int did_next = FALSE;
10345
10346 /* Always restore cursor position for ":mksession". For ":mkview" only
10347 * when 'viewoptions' contains "cursor". */
10348 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10349
10350 /*
10351 * Local argument list.
10352 */
10353 if (wp->w_alist == &global_alist)
10354 {
10355 if (put_line(fd, "argglobal") == FAIL)
10356 return FAIL;
10357 }
10358 else
10359 {
10360 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10361 flagp == &vop_flags
10362 || !(*flagp & SSOP_CURDIR)
10363 || wp->w_localdir != NULL, flagp) == FAIL)
10364 return FAIL;
10365 }
10366
10367 /* Only when part of a session: restore the argument index. Some
10368 * arguments may have been deleted, check if the index is valid. */
10369 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10370 && flagp == &ssop_flags)
10371 {
10372 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10373 || put_eol(fd) == FAIL)
10374 return FAIL;
10375 did_next = TRUE;
10376 }
10377
10378 /* Edit the file. Skip this when ":next" already did it. */
10379 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10380 {
10381 /*
10382 * Load the file.
10383 */
10384 if (wp->w_buffer->b_ffname != NULL
10385 #ifdef FEAT_QUICKFIX
10386 && !bt_nofile(wp->w_buffer)
10387 #endif
10388 )
10389 {
10390 /*
10391 * Editing a file in this buffer: use ":edit file".
10392 * This may have side effects! (e.g., compressed or network file).
10393 */
10394 if (fputs("edit ", fd) < 0
10395 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10396 return FAIL;
10397 }
10398 else
10399 {
10400 /* No file in this buffer, just make it empty. */
10401 if (put_line(fd, "enew") == FAIL)
10402 return FAIL;
10403 #ifdef FEAT_QUICKFIX
10404 if (wp->w_buffer->b_ffname != NULL)
10405 {
10406 /* The buffer does have a name, but it's not a file name. */
10407 if (fputs("file ", fd) < 0
10408 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10409 return FAIL;
10410 }
10411 #endif
10412 do_cursor = FALSE;
10413 }
10414 }
10415
10416 /*
10417 * Local mappings and abbreviations.
10418 */
10419 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10420 && makemap(fd, wp->w_buffer) == FAIL)
10421 return FAIL;
10422
10423 /*
10424 * Local options. Need to go to the window temporarily.
10425 * Store only local values when using ":mkview" and when ":mksession" is
10426 * used and 'sessionoptions' doesn't include "options".
10427 * Some folding options are always stored when "folds" is included,
10428 * otherwise the folds would not be restored correctly.
10429 */
10430 save_curwin = curwin;
10431 curwin = wp;
10432 curbuf = curwin->w_buffer;
10433 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10434 f = makeset(fd, OPT_LOCAL,
10435 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10436 #ifdef FEAT_FOLDING
10437 else if (*flagp & SSOP_FOLDS)
10438 f = makefoldset(fd);
10439 #endif
10440 else
10441 f = OK;
10442 curwin = save_curwin;
10443 curbuf = curwin->w_buffer;
10444 if (f == FAIL)
10445 return FAIL;
10446
10447 #ifdef FEAT_FOLDING
10448 /*
10449 * Save Folds when 'buftype' is empty and for help files.
10450 */
10451 if ((*flagp & SSOP_FOLDS)
10452 && wp->w_buffer->b_ffname != NULL
10453 # ifdef FEAT_QUICKFIX
10454 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10455 # endif
10456 )
10457 {
10458 if (put_folds(fd, wp) == FAIL)
10459 return FAIL;
10460 }
10461 #endif
10462
10463 /*
10464 * Set the cursor after creating folds, since that moves the cursor.
10465 */
10466 if (do_cursor)
10467 {
10468
10469 /* Restore the cursor line in the file and relatively in the
10470 * window. Don't use "G", it changes the jumplist. */
10471 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10472 (long)wp->w_cursor.lnum,
10473 (long)(wp->w_cursor.lnum - wp->w_topline),
10474 (long)wp->w_height / 2, (long)wp->w_height) < 0
10475 || put_eol(fd) == FAIL
10476 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10477 || put_line(fd, "exe s:l") == FAIL
10478 || put_line(fd, "normal! zt") == FAIL
10479 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10480 || put_eol(fd) == FAIL)
10481 return FAIL;
10482 /* Restore the cursor column and left offset when not wrapping. */
10483 if (wp->w_cursor.col == 0)
10484 {
10485 if (put_line(fd, "normal! 0") == FAIL)
10486 return FAIL;
10487 }
10488 else
10489 {
10490 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10491 {
10492 if (fprintf(fd,
10493 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10494 (long)wp->w_cursor.col,
10495 (long)(wp->w_cursor.col - wp->w_leftcol),
10496 (long)wp->w_width / 2, (long)wp->w_width) < 0
10497 || put_eol(fd) == FAIL
10498 || put_line(fd, "if s:c > 0") == FAIL
10499 || fprintf(fd,
10500 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10501 (long)wp->w_cursor.col) < 0
10502 || put_eol(fd) == FAIL
10503 || put_line(fd, "else") == FAIL
10504 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10505 || put_eol(fd) == FAIL
10506 || put_line(fd, "endif") == FAIL)
10507 return FAIL;
10508 }
10509 else
10510 {
10511 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10512 || put_eol(fd) == FAIL)
10513 return FAIL;
10514 }
10515 }
10516 }
10517
10518 /*
10519 * Local directory.
10520 */
10521 if (wp->w_localdir != NULL)
10522 {
10523 if (fputs("lcd ", fd) < 0
10524 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10525 || put_eol(fd) == FAIL)
10526 return FAIL;
10527 did_lcd = TRUE;
10528 }
10529
10530 return OK;
10531 }
10532
10533 /*
10534 * Write an argument list to the session file.
10535 * Returns FAIL if writing fails.
10536 */
10537 static int
10538 ses_arglist(fd, cmd, gap, fullname, flagp)
10539 FILE *fd;
10540 char *cmd;
10541 garray_T *gap;
10542 int fullname; /* TRUE: use full path name */
10543 unsigned *flagp;
10544 {
10545 int i;
10546 char_u buf[MAXPATHL];
10547 char_u *s;
10548
10549 if (gap->ga_len == 0)
10550 return put_line(fd, "silent! argdel *");
10551 if (fputs(cmd, fd) < 0)
10552 return FAIL;
10553 for (i = 0; i < gap->ga_len; ++i)
10554 {
10555 /* NULL file names are skipped (only happens when out of memory). */
10556 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10557 if (s != NULL)
10558 {
10559 if (fullname)
10560 {
10561 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10562 s = buf;
10563 }
10564 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10565 return FAIL;
10566 }
10567 }
10568 return put_eol(fd);
10569 }
10570
10571 /*
10572 * Write a buffer name to the session file.
10573 * Also ends the line.
10574 * Returns FAIL if writing fails.
10575 */
10576 static int
10577 ses_fname(fd, buf, flagp)
10578 FILE *fd;
10579 buf_T *buf;
10580 unsigned *flagp;
10581 {
10582 char_u *name;
10583
10584 /* Use the short file name if the current directory is known at the time
10585 * the session file will be sourced.
10586 * Don't do this for ":mkview", we don't know the current directory.
10587 * Don't do this after ":lcd", we don't keep track of what the current
10588 * directory is. */
10589 if (buf->b_sfname != NULL
10590 && flagp == &ssop_flags
10591 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10592 && !did_lcd)
10593 name = buf->b_sfname;
10594 else
10595 name = buf->b_ffname;
10596 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10597 return FAIL;
10598 return OK;
10599 }
10600
10601 /*
10602 * Write a file name to the session file.
10603 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10604 * characters.
10605 * Returns FAIL if writing fails.
10606 */
10607 static int
10608 ses_put_fname(fd, name, flagp)
10609 FILE *fd;
10610 char_u *name;
10611 unsigned *flagp;
10612 {
10613 char_u *sname;
10614 int retval = OK;
10615 int c;
10616
10617 sname = home_replace_save(NULL, name);
10618 if (sname != NULL)
10619 name = sname;
10620 while (*name != NUL)
10621 {
10622 #ifdef FEAT_MBYTE
10623 {
10624 int l;
10625
10626 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10627 {
10628 /* copy a multibyte char */
10629 while (--l >= 0)
10630 {
10631 if (putc(*name, fd) != *name)
10632 retval = FAIL;
10633 ++name;
10634 }
10635 continue;
10636 }
10637 }
10638 #endif
10639 c = *name++;
10640 if (c == '\\' && (*flagp & SSOP_SLASH))
10641 /* change a backslash to a forward slash */
10642 c = '/';
10643 else if ((vim_strchr(escape_chars, c) != NULL
10644 #ifdef BACKSLASH_IN_FILENAME
10645 && c != '\\'
10646 #endif
10647 ) || c == '#' || c == '%')
10648 {
10649 /* escape a special character with a backslash */
10650 if (putc('\\', fd) != '\\')
10651 retval = FAIL;
10652 }
10653 if (putc(c, fd) != c)
10654 retval = FAIL;
10655 }
10656 vim_free(sname);
10657 return retval;
10658 }
10659
10660 /*
10661 * ":loadview [nr]"
10662 */
10663 static void
10664 ex_loadview(eap)
10665 exarg_T *eap;
10666 {
10667 char_u *fname;
10668
10669 fname = get_view_file(*eap->arg);
10670 if (fname != NULL)
10671 {
10672 do_source(fname, FALSE, DOSO_NONE);
10673 vim_free(fname);
10674 }
10675 }
10676
10677 /*
10678 * Get the name of the view file for the current buffer.
10679 */
10680 static char_u *
10681 get_view_file(c)
10682 int c;
10683 {
10684 int len = 0;
10685 char_u *p, *s;
10686 char_u *retval;
10687 char_u *sname;
10688
10689 if (curbuf->b_ffname == NULL)
10690 {
10691 EMSG(_(e_noname));
10692 return NULL;
10693 }
10694 sname = home_replace_save(NULL, curbuf->b_ffname);
10695 if (sname == NULL)
10696 return NULL;
10697
10698 /*
10699 * We want a file name without separators, because we're not going to make
10700 * a directory.
10701 * "normal" path separator -> "=+"
10702 * "=" -> "=="
10703 * ":" path separator -> "=-"
10704 */
10705 for (p = sname; *p; ++p)
10706 if (*p == '=' || vim_ispathsep(*p))
10707 ++len;
10708 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10709 if (retval != NULL)
10710 {
10711 STRCPY(retval, p_vdir);
10712 add_pathsep(retval);
10713 s = retval + STRLEN(retval);
10714 for (p = sname; *p; ++p)
10715 {
10716 if (*p == '=')
10717 {
10718 *s++ = '=';
10719 *s++ = '=';
10720 }
10721 else if (vim_ispathsep(*p))
10722 {
10723 *s++ = '=';
10724 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10725 || defined(VMS)
10726 if (*p == ':')
10727 *s++ = '-';
10728 else
10729 #endif
10730 *s++ = '+';
10731 }
10732 else
10733 *s++ = *p;
10734 }
10735 *s++ = '=';
10736 *s++ = c;
10737 STRCPY(s, ".vim");
10738 }
10739
10740 vim_free(sname);
10741 return retval;
10742 }
10743
10744 #endif /* FEAT_SESSION */
10745
10746 /*
10747 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10748 * Return FAIL for a write error.
10749 */
10750 int
10751 put_eol(fd)
10752 FILE *fd;
10753 {
10754 if (
10755 #ifdef USE_CRNL
10756 (
10757 # ifdef MKSESSION_NL
10758 !mksession_nl &&
10759 # endif
10760 (putc('\r', fd) < 0)) ||
10761 #endif
10762 (putc('\n', fd) < 0))
10763 return FAIL;
10764 return OK;
10765 }
10766
10767 /*
10768 * Write a line to "fd".
10769 * Return FAIL for a write error.
10770 */
10771 int
10772 put_line(fd, s)
10773 FILE *fd;
10774 char *s;
10775 {
10776 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10777 return FAIL;
10778 return OK;
10779 }
10780
10781 #ifdef FEAT_VIMINFO
10782 /*
10783 * ":rviminfo" and ":wviminfo".
10784 */
10785 static void
10786 ex_viminfo(eap)
10787 exarg_T *eap;
10788 {
10789 char_u *save_viminfo;
10790
10791 save_viminfo = p_viminfo;
10792 if (*p_viminfo == NUL)
10793 p_viminfo = (char_u *)"'100";
10794 if (eap->cmdidx == CMD_rviminfo)
10795 {
10796 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10797 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10798 EMSG(_("E195: Cannot open viminfo file for reading"));
10799 }
10800 else
10801 write_viminfo(eap->arg, eap->forceit);
10802 p_viminfo = save_viminfo;
10803 }
10804 #endif
10805
10806 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10807 /*
10808 * Make a dialog message in "buff[IOSIZE]".
10809 * "format" must contain "%s".
10810 */
10811 void
10812 dialog_msg(buff, format, fname)
10813 char_u *buff;
10814 char *format;
10815 char_u *fname;
10816 {
10817 if (fname == NULL)
10818 fname = (char_u *)_("Untitled");
10819 vim_snprintf((char *)buff, IOSIZE, format, fname);
10820 }
10821 #endif
10822
10823 /*
10824 * ":behave {mswin,xterm}"
10825 */
10826 static void
10827 ex_behave(eap)
10828 exarg_T *eap;
10829 {
10830 if (STRCMP(eap->arg, "mswin") == 0)
10831 {
10832 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10833 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10834 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10835 set_option_value((char_u *)"keymodel", 0L,
10836 (char_u *)"startsel,stopsel", 0);
10837 }
10838 else if (STRCMP(eap->arg, "xterm") == 0)
10839 {
10840 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10841 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10842 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10843 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10844 }
10845 else
10846 EMSG2(_(e_invarg2), eap->arg);
10847 }
10848
10849 #ifdef FEAT_AUTOCMD
10850 static int filetype_detect = FALSE;
10851 static int filetype_plugin = FALSE;
10852 static int filetype_indent = FALSE;
10853
10854 /*
10855 * ":filetype [plugin] [indent] {on,off,detect}"
10856 * on: Load the filetype.vim file to install autocommands for file types.
10857 * off: Load the ftoff.vim file to remove all autocommands for file types.
10858 * plugin on: load filetype.vim and ftplugin.vim
10859 * plugin off: load ftplugof.vim
10860 * indent on: load filetype.vim and indent.vim
10861 * indent off: load indoff.vim
10862 */
10863 static void
10864 ex_filetype(eap)
10865 exarg_T *eap;
10866 {
10867 char_u *arg = eap->arg;
10868 int plugin = FALSE;
10869 int indent = FALSE;
10870
10871 if (*eap->arg == NUL)
10872 {
10873 /* Print current status. */
10874 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10875 filetype_detect ? "ON" : "OFF",
10876 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10877 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10878 return;
10879 }
10880
10881 /* Accept "plugin" and "indent" in any order. */
10882 for (;;)
10883 {
10884 if (STRNCMP(arg, "plugin", 6) == 0)
10885 {
10886 plugin = TRUE;
10887 arg = skipwhite(arg + 6);
10888 continue;
10889 }
10890 if (STRNCMP(arg, "indent", 6) == 0)
10891 {
10892 indent = TRUE;
10893 arg = skipwhite(arg + 6);
10894 continue;
10895 }
10896 break;
10897 }
10898 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10899 {
10900 if (*arg == 'o' || !filetype_detect)
10901 {
10902 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10903 filetype_detect = TRUE;
10904 if (plugin)
10905 {
10906 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10907 filetype_plugin = TRUE;
10908 }
10909 if (indent)
10910 {
10911 source_runtime((char_u *)INDENT_FILE, TRUE);
10912 filetype_indent = TRUE;
10913 }
10914 }
10915 if (*arg == 'd')
10916 {
10917 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10918 do_modelines(0);
10919 }
10920 }
10921 else if (STRCMP(arg, "off") == 0)
10922 {
10923 if (plugin || indent)
10924 {
10925 if (plugin)
10926 {
10927 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10928 filetype_plugin = FALSE;
10929 }
10930 if (indent)
10931 {
10932 source_runtime((char_u *)INDOFF_FILE, TRUE);
10933 filetype_indent = FALSE;
10934 }
10935 }
10936 else
10937 {
10938 source_runtime((char_u *)FTOFF_FILE, TRUE);
10939 filetype_detect = FALSE;
10940 }
10941 }
10942 else
10943 EMSG2(_(e_invarg2), arg);
10944 }
10945
10946 /*
10947 * ":setfiletype {name}"
10948 */
10949 static void
10950 ex_setfiletype(eap)
10951 exarg_T *eap;
10952 {
10953 if (!did_filetype)
10954 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10955 }
10956 #endif
10957
10958 /*ARGSUSED*/
10959 static void
10960 ex_digraphs(eap)
10961 exarg_T *eap;
10962 {
10963 #ifdef FEAT_DIGRAPHS
10964 if (*eap->arg != NUL)
10965 putdigraph(eap->arg);
10966 else
10967 listdigraphs();
10968 #else
10969 EMSG(_("E196: No digraphs in this version"));
10970 #endif
10971 }
10972
10973 static void
10974 ex_set(eap)
10975 exarg_T *eap;
10976 {
10977 int flags = 0;
10978
10979 if (eap->cmdidx == CMD_setlocal)
10980 flags = OPT_LOCAL;
10981 else if (eap->cmdidx == CMD_setglobal)
10982 flags = OPT_GLOBAL;
10983 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10984 if (cmdmod.browse && flags == 0)
10985 ex_options(eap);
10986 else
10987 #endif
10988 (void)do_set(eap->arg, flags);
10989 }
10990
10991 #ifdef FEAT_SEARCH_EXTRA
10992 /*
10993 * ":nohlsearch"
10994 */
10995 /*ARGSUSED*/
10996 static void
10997 ex_nohlsearch(eap)
10998 exarg_T *eap;
10999 {
11000 no_hlsearch = TRUE;
11001 redraw_all_later(SOME_VALID);
11002 }
11003
11004 /*
11005 * ":[N]match {group} {pattern}"
11006 * Sets nextcmd to the start of the next command, if any. Also called when
11007 * skipping commands to find the next command.
11008 */
11009 static void
11010 ex_match(eap)
11011 exarg_T *eap;
11012 {
11013 char_u *p;
11014 char_u *g = NULL;
11015 char_u *end;
11016 int c;
11017 int id;
11018
11019 if (eap->line2 <= 3)
11020 id = eap->line2;
11021 else
11022 {
11023 EMSG(e_invcmd);
11024 return;
11025 }
11026
11027 /* First clear any old pattern. */
11028 if (!eap->skip)
11029 match_delete(curwin, id, FALSE);
11030
11031 if (ends_excmd(*eap->arg))
11032 end = eap->arg;
11033 else if ((STRNICMP(eap->arg, "none", 4) == 0
11034 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11035 end = eap->arg + 4;
11036 else
11037 {
11038 p = skiptowhite(eap->arg);
11039 if (!eap->skip)
11040 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11041 p = skipwhite(p);
11042 if (*p == NUL)
11043 {
11044 /* There must be two arguments. */
11045 EMSG2(_(e_invarg2), eap->arg);
11046 return;
11047 }
11048 end = skip_regexp(p + 1, *p, TRUE, NULL);
11049 if (!eap->skip)
11050 {
11051 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11052 {
11053 eap->errmsg = e_trailing;
11054 return;
11055 }
11056 if (*end != *p)
11057 {
11058 EMSG2(_(e_invarg2), p);
11059 return;
11060 }
11061
11062 c = *end;
11063 *end = NUL;
11064 match_add(curwin, g, p + 1, 10, id);
11065 vim_free(g);
11066 *end = c;
11067 }
11068 }
11069 eap->nextcmd = find_nextcmd(end);
11070 }
11071 #endif
11072
11073 #ifdef FEAT_CRYPT
11074 /*
11075 * ":X": Get crypt key
11076 */
11077 /*ARGSUSED*/
11078 static void
11079 ex_X(eap)
11080 exarg_T *eap;
11081 {
11082 (void)get_crypt_key(TRUE, TRUE);
11083 }
11084 #endif
11085
11086 #ifdef FEAT_FOLDING
11087 static void
11088 ex_fold(eap)
11089 exarg_T *eap;
11090 {
11091 if (foldManualAllowed(TRUE))
11092 foldCreate(eap->line1, eap->line2);
11093 }
11094
11095 static void
11096 ex_foldopen(eap)
11097 exarg_T *eap;
11098 {
11099 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11100 eap->forceit, FALSE);
11101 }
11102
11103 static void
11104 ex_folddo(eap)
11105 exarg_T *eap;
11106 {
11107 linenr_T lnum;
11108
11109 /* First set the marks for all lines closed/open. */
11110 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11111 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11112 ml_setmarked(lnum);
11113
11114 /* Execute the command on the marked lines. */
11115 global_exe(eap->arg);
11116 ml_clearmarked(); /* clear rest of the marks */
11117 }
11118 #endif
Vim for the Mac