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Merged from the latest developing branch.
[MacVim.git] / src / ex_docmd.c
blob016a2b5e113a19f36e175c6592a79a98bf7a0045
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 int
1582 getline_equal(fgetline, cookie, func)
1583 char_u *(*fgetline) __ARGS((int, void *, int));
1584 void *cookie UNUSED; /* argument for fgetline() */
1585 char_u *(*func) __ARGS((int, void *, int));
1586 {
1587 #ifdef FEAT_EVAL
1588 char_u *(*gp) __ARGS((int, void *, int));
1589 struct loop_cookie *cp;
1590
1591 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1592 * function that's originally used to obtain the lines. This may be
1593 * nested several levels. */
1594 gp = fgetline;
1595 cp = (struct loop_cookie *)cookie;
1596 while (gp == get_loop_line)
1597 {
1598 gp = cp->getline;
1599 cp = cp->cookie;
1600 }
1601 return gp == func;
1602 #else
1603 return fgetline == func;
1604 #endif
1605 }
1606
1607 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1608 /*
1609 * If "fgetline" is get_loop_line(), return the cookie used by the original
1610 * getline function. Otherwise return "cookie".
1611 */
1612 void *
1613 getline_cookie(fgetline, cookie)
1614 char_u *(*fgetline) __ARGS((int, void *, int)) UNUSED;
1615 void *cookie; /* argument for fgetline() */
1616 {
1617 # ifdef FEAT_EVAL
1618 char_u *(*gp) __ARGS((int, void *, int));
1619 struct loop_cookie *cp;
1620
1621 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1622 * cookie that's originally used to obtain the lines. This may be nested
1623 * several levels. */
1624 gp = fgetline;
1625 cp = (struct loop_cookie *)cookie;
1626 while (gp == get_loop_line)
1627 {
1628 gp = cp->getline;
1629 cp = cp->cookie;
1630 }
1631 return cp;
1632 # else
1633 return cookie;
1634 # endif
1635 }
1636 #endif
1637
1638 /*
1639 * Execute one Ex command.
1640 *
1641 * If 'sourcing' is TRUE, the command will be included in the error message.
1642 *
1643 * 1. skip comment lines and leading space
1644 * 2. handle command modifiers
1645 * 3. parse range
1646 * 4. parse command
1647 * 5. parse arguments
1648 * 6. switch on command name
1649 *
1650 * Note: "fgetline" can be NULL.
1651 *
1652 * This function may be called recursively!
1653 */
1654 #if (_MSC_VER == 1200)
1655 /*
1656 * Avoid optimisation bug in VC++ version 6.0
1657 */
1658 #pragma optimize( "g", off )
1659 #endif
1660 static char_u *
1661 do_one_cmd(cmdlinep, sourcing,
1662 #ifdef FEAT_EVAL
1663 cstack,
1664 #endif
1665 fgetline, cookie)
1666 char_u **cmdlinep;
1667 int sourcing;
1668 #ifdef FEAT_EVAL
1669 struct condstack *cstack;
1670 #endif
1671 char_u *(*fgetline) __ARGS((int, void *, int));
1672 void *cookie; /* argument for fgetline() */
1673 {
1674 char_u *p;
1675 linenr_T lnum;
1676 long n;
1677 char_u *errormsg = NULL; /* error message */
1678 exarg_T ea; /* Ex command arguments */
1679 long verbose_save = -1;
1680 int save_msg_scroll = msg_scroll;
1681 int save_msg_silent = -1;
1682 int did_esilent = 0;
1683 #ifdef HAVE_SANDBOX
1684 int did_sandbox = FALSE;
1685 #endif
1686 cmdmod_T save_cmdmod;
1687 int ni; /* set when Not Implemented */
1688
1689 vim_memset(&ea, 0, sizeof(ea));
1690 ea.line1 = 1;
1691 ea.line2 = 1;
1692 #ifdef FEAT_EVAL
1693 ++ex_nesting_level;
1694 #endif
1695
1696 /* when not editing the last file :q has to be typed twice */
1697 if (quitmore
1698 #ifdef FEAT_EVAL
1699 /* avoid that a function call in 'statusline' does this */
1700 && !getline_equal(fgetline, cookie, get_func_line)
1701 #endif
1702 )
1703 --quitmore;
1704
1705 /*
1706 * Reset browse, confirm, etc.. They are restored when returning, for
1707 * recursive calls.
1708 */
1709 save_cmdmod = cmdmod;
1710 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1711
1712 /* "#!anything" is handled like a comment. */
1713 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1714 goto doend;
1715
1716 /*
1717 * Repeat until no more command modifiers are found.
1718 */
1719 ea.cmd = *cmdlinep;
1720 for (;;)
1721 {
1722 /*
1723 * 1. skip comment lines and leading white space and colons
1724 */
1725 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1726 ++ea.cmd;
1727
1728 /* in ex mode, an empty line works like :+ */
1729 if (*ea.cmd == NUL && exmode_active
1730 && (getline_equal(fgetline, cookie, getexmodeline)
1731 || getline_equal(fgetline, cookie, getexline))
1732 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1733 {
1734 ea.cmd = (char_u *)"+";
1735 ex_pressedreturn = TRUE;
1736 }
1737
1738 /* ignore comment and empty lines */
1739 if (*ea.cmd == '"')
1740 goto doend;
1741 if (*ea.cmd == NUL)
1742 {
1743 ex_pressedreturn = TRUE;
1744 goto doend;
1745 }
1746
1747 /*
1748 * 2. handle command modifiers.
1749 */
1750 p = ea.cmd;
1751 if (VIM_ISDIGIT(*ea.cmd))
1752 p = skipwhite(skipdigits(ea.cmd));
1753 switch (*p)
1754 {
1755 /* When adding an entry, also modify cmd_exists(). */
1756 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1757 break;
1758 #ifdef FEAT_WINDOWS
1759 cmdmod.split |= WSP_ABOVE;
1760 #endif
1761 continue;
1762
1763 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1764 {
1765 #ifdef FEAT_WINDOWS
1766 cmdmod.split |= WSP_BELOW;
1767 #endif
1768 continue;
1769 }
1770 if (checkforcmd(&ea.cmd, "browse", 3))
1771 {
1772 #ifdef FEAT_BROWSE_CMD
1773 cmdmod.browse = TRUE;
1774 #endif
1775 continue;
1776 }
1777 if (!checkforcmd(&ea.cmd, "botright", 2))
1778 break;
1779 #ifdef FEAT_WINDOWS
1780 cmdmod.split |= WSP_BOT;
1781 #endif
1782 continue;
1783
1784 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1785 break;
1786 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1787 cmdmod.confirm = TRUE;
1788 #endif
1789 continue;
1790
1791 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1792 {
1793 cmdmod.keepmarks = TRUE;
1794 continue;
1795 }
1796 if (checkforcmd(&ea.cmd, "keepalt", 5))
1797 {
1798 cmdmod.keepalt = TRUE;
1799 continue;
1800 }
1801 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1802 break;
1803 cmdmod.keepjumps = TRUE;
1804 continue;
1805
1806 /* ":hide" and ":hide | cmd" are not modifiers */
1807 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1808 || *p == NUL || ends_excmd(*p))
1809 break;
1810 ea.cmd = p;
1811 cmdmod.hide = TRUE;
1812 continue;
1813
1814 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1815 {
1816 cmdmod.lockmarks = TRUE;
1817 continue;
1818 }
1819
1820 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1821 break;
1822 #ifdef FEAT_WINDOWS
1823 cmdmod.split |= WSP_ABOVE;
1824 #endif
1825 continue;
1826
1827 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1828 break;
1829 #ifdef FEAT_AUTOCMD
1830 if (cmdmod.save_ei == NULL)
1831 {
1832 /* Set 'eventignore' to "all". Restore the
1833 * existing option value later. */
1834 cmdmod.save_ei = vim_strsave(p_ei);
1835 set_string_option_direct((char_u *)"ei", -1,
1836 (char_u *)"all", OPT_FREE, SID_NONE);
1837 }
1838 #endif
1839 continue;
1840
1841 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1842 break;
1843 #ifdef FEAT_WINDOWS
1844 cmdmod.split |= WSP_BELOW;
1845 #endif
1846 continue;
1847
1848 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1849 {
1850 #ifdef HAVE_SANDBOX
1851 if (!did_sandbox)
1852 ++sandbox;
1853 did_sandbox = TRUE;
1854 #endif
1855 continue;
1856 }
1857 if (!checkforcmd(&ea.cmd, "silent", 3))
1858 break;
1859 if (save_msg_silent == -1)
1860 save_msg_silent = msg_silent;
1861 ++msg_silent;
1862 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1863 {
1864 /* ":silent!", but not "silent !cmd" */
1865 ea.cmd = skipwhite(ea.cmd + 1);
1866 ++emsg_silent;
1867 ++did_esilent;
1868 }
1869 continue;
1870
1871 case 't': if (checkforcmd(&p, "tab", 3))
1872 {
1873 #ifdef FEAT_WINDOWS
1874 if (vim_isdigit(*ea.cmd))
1875 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1876 else
1877 cmdmod.tab = tabpage_index(curtab) + 1;
1878 ea.cmd = p;
1879 #endif
1880 continue;
1881 }
1882 if (!checkforcmd(&ea.cmd, "topleft", 2))
1883 break;
1884 #ifdef FEAT_WINDOWS
1885 cmdmod.split |= WSP_TOP;
1886 #endif
1887 continue;
1888
1889 case 'u': if (!checkforcmd(&ea.cmd, "unsilent", 3))
1890 break;
1891 if (save_msg_silent == -1)
1892 save_msg_silent = msg_silent;
1893 msg_silent = 0;
1894 continue;
1895
1896 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1897 {
1898 #ifdef FEAT_VERTSPLIT
1899 cmdmod.split |= WSP_VERT;
1900 #endif
1901 continue;
1902 }
1903 if (!checkforcmd(&p, "verbose", 4))
1904 break;
1905 if (verbose_save < 0)
1906 verbose_save = p_verbose;
1907 if (vim_isdigit(*ea.cmd))
1908 p_verbose = atoi((char *)ea.cmd);
1909 else
1910 p_verbose = 1;
1911 ea.cmd = p;
1912 continue;
1913 }
1914 break;
1915 }
1916
1917 #ifdef FEAT_EVAL
1918 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1919 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1920 #else
1921 ea.skip = (if_level > 0);
1922 #endif
1923
1924 #ifdef FEAT_EVAL
1925 # ifdef FEAT_PROFILE
1926 /* Count this line for profiling if ea.skip is FALSE. */
1927 if (do_profiling == PROF_YES && !ea.skip)
1928 {
1929 if (getline_equal(fgetline, cookie, get_func_line))
1930 func_line_exec(getline_cookie(fgetline, cookie));
1931 else if (getline_equal(fgetline, cookie, getsourceline))
1932 script_line_exec();
1933 }
1934 #endif
1935
1936 /* May go to debug mode. If this happens and the ">quit" debug command is
1937 * used, throw an interrupt exception and skip the next command. */
1938 dbg_check_breakpoint(&ea);
1939 if (!ea.skip && got_int)
1940 {
1941 ea.skip = TRUE;
1942 (void)do_intthrow(cstack);
1943 }
1944 #endif
1945
1946 /*
1947 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1948 *
1949 * where 'addr' is:
1950 *
1951 * % (entire file)
1952 * $ [+-NUM]
1953 * 'x [+-NUM] (where x denotes a currently defined mark)
1954 * . [+-NUM]
1955 * [+-NUM]..
1956 * NUM
1957 *
1958 * The ea.cmd pointer is updated to point to the first character following the
1959 * range spec. If an initial address is found, but no second, the upper bound
1960 * is equal to the lower.
1961 */
1962
1963 /* repeat for all ',' or ';' separated addresses */
1964 for (;;)
1965 {
1966 ea.line1 = ea.line2;
1967 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1968 ea.cmd = skipwhite(ea.cmd);
1969 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1970 if (ea.cmd == NULL) /* error detected */
1971 goto doend;
1972 if (lnum == MAXLNUM)
1973 {
1974 if (*ea.cmd == '%') /* '%' - all lines */
1975 {
1976 ++ea.cmd;
1977 ea.line1 = 1;
1978 ea.line2 = curbuf->b_ml.ml_line_count;
1979 ++ea.addr_count;
1980 }
1981 /* '*' - visual area */
1982 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1983 {
1984 pos_T *fp;
1985
1986 ++ea.cmd;
1987 if (!ea.skip)
1988 {
1989 fp = getmark('<', FALSE);
1990 if (check_mark(fp) == FAIL)
1991 goto doend;
1992 ea.line1 = fp->lnum;
1993 fp = getmark('>', FALSE);
1994 if (check_mark(fp) == FAIL)
1995 goto doend;
1996 ea.line2 = fp->lnum;
1997 ++ea.addr_count;
1998 }
1999 }
2000 }
2001 else
2002 ea.line2 = lnum;
2003 ea.addr_count++;
2004
2005 if (*ea.cmd == ';')
2006 {
2007 if (!ea.skip)
2008 curwin->w_cursor.lnum = ea.line2;
2009 }
2010 else if (*ea.cmd != ',')
2011 break;
2012 ++ea.cmd;
2013 }
2014
2015 /* One address given: set start and end lines */
2016 if (ea.addr_count == 1)
2017 {
2018 ea.line1 = ea.line2;
2019 /* ... but only implicit: really no address given */
2020 if (lnum == MAXLNUM)
2021 ea.addr_count = 0;
2022 }
2023
2024 /* Don't leave the cursor on an illegal line (caused by ';') */
2025 check_cursor_lnum();
2026
2027 /*
2028 * 4. parse command
2029 */
2030
2031 /*
2032 * Skip ':' and any white space
2033 */
2034 ea.cmd = skipwhite(ea.cmd);
2035 while (*ea.cmd == ':')
2036 ea.cmd = skipwhite(ea.cmd + 1);
2037
2038 /*
2039 * If we got a line, but no command, then go to the line.
2040 * If we find a '|' or '\n' we set ea.nextcmd.
2041 */
2042 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2043 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2044 {
2045 /*
2046 * strange vi behaviour:
2047 * ":3" jumps to line 3
2048 * ":3|..." prints line 3
2049 * ":|" prints current line
2050 */
2051 if (ea.skip) /* skip this if inside :if */
2052 goto doend;
2053 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2054 {
2055 ea.cmdidx = CMD_print;
2056 ea.argt = RANGE+COUNT+TRLBAR;
2057 if ((errormsg = invalid_range(&ea)) == NULL)
2058 {
2059 correct_range(&ea);
2060 ex_print(&ea);
2061 }
2062 }
2063 else if (ea.addr_count != 0)
2064 {
2065 if (ea.line2 > curbuf->b_ml.ml_line_count)
2066 {
2067 /* With '-' in 'cpoptions' a line number past the file is an
2068 * error, otherwise put it at the end of the file. */
2069 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2070 ea.line2 = -1;
2071 else
2072 ea.line2 = curbuf->b_ml.ml_line_count;
2073 }
2074
2075 if (ea.line2 < 0)
2076 errormsg = (char_u *)_(e_invrange);
2077 else
2078 {
2079 if (ea.line2 == 0)
2080 curwin->w_cursor.lnum = 1;
2081 else
2082 curwin->w_cursor.lnum = ea.line2;
2083 beginline(BL_SOL | BL_FIX);
2084 }
2085 }
2086 goto doend;
2087 }
2088
2089 /* Find the command and let "p" point to after it. */
2090 p = find_command(&ea, NULL);
2091
2092 #ifdef FEAT_USR_CMDS
2093 if (p == NULL)
2094 {
2095 if (!ea.skip)
2096 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2097 goto doend;
2098 }
2099 /* Check for wrong commands. */
2100 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2101 {
2102 errormsg = uc_fun_cmd();
2103 goto doend;
2104 }
2105 #endif
2106 if (ea.cmdidx == CMD_SIZE)
2107 {
2108 if (!ea.skip)
2109 {
2110 STRCPY(IObuff, _("E492: Not an editor command"));
2111 if (!sourcing)
2112 {
2113 STRCAT(IObuff, ": ");
2114 STRNCAT(IObuff, *cmdlinep, 40);
2115 }
2116 errormsg = IObuff;
2117 }
2118 goto doend;
2119 }
2120
2121 ni = (
2122 #ifdef FEAT_USR_CMDS
2123 !USER_CMDIDX(ea.cmdidx) &&
2124 #endif
2125 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2126 #ifdef HAVE_EX_SCRIPT_NI
2127 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2128 #endif
2129 ));
2130
2131 #ifndef FEAT_EVAL
2132 /*
2133 * When the expression evaluation is disabled, recognize the ":if" and
2134 * ":endif" commands and ignore everything in between it.
2135 */
2136 if (ea.cmdidx == CMD_if)
2137 ++if_level;
2138 if (if_level)
2139 {
2140 if (ea.cmdidx == CMD_endif)
2141 --if_level;
2142 goto doend;
2143 }
2144
2145 #endif
2146
2147 /* forced commands */
2148 if (*p == '!' && ea.cmdidx != CMD_substitute
2149 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2150 {
2151 ++p;
2152 ea.forceit = TRUE;
2153 }
2154 else
2155 ea.forceit = FALSE;
2156
2157 /*
2158 * 5. parse arguments
2159 */
2160 #ifdef FEAT_USR_CMDS
2161 if (!USER_CMDIDX(ea.cmdidx))
2162 #endif
2163 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2164
2165 if (!ea.skip)
2166 {
2167 #ifdef HAVE_SANDBOX
2168 if (sandbox != 0 && !(ea.argt & SBOXOK))
2169 {
2170 /* Command not allowed in sandbox. */
2171 errormsg = (char_u *)_(e_sandbox);
2172 goto doend;
2173 }
2174 #endif
2175 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2176 {
2177 /* Command not allowed in non-'modifiable' buffer */
2178 errormsg = (char_u *)_(e_modifiable);
2179 goto doend;
2180 }
2181
2182 if (text_locked() && !(ea.argt & CMDWIN)
2183 # ifdef FEAT_USR_CMDS
2184 && !USER_CMDIDX(ea.cmdidx)
2185 # endif
2186 )
2187 {
2188 /* Command not allowed when editing the command line. */
2189 #ifdef FEAT_CMDWIN
2190 if (cmdwin_type != 0)
2191 errormsg = (char_u *)_(e_cmdwin);
2192 else
2193 #endif
2194 errormsg = (char_u *)_(e_secure);
2195 goto doend;
2196 }
2197 #ifdef FEAT_AUTOCMD
2198 /* Disallow editing another buffer when "curbuf_lock" is set.
2199 * Do allow ":edit" (check for argument later).
2200 * Do allow ":checktime" (it's postponed). */
2201 if (!(ea.argt & CMDWIN)
2202 && ea.cmdidx != CMD_edit
2203 && ea.cmdidx != CMD_checktime
2204 # ifdef FEAT_USR_CMDS
2205 && !USER_CMDIDX(ea.cmdidx)
2206 # endif
2207 && curbuf_locked())
2208 goto doend;
2209 #endif
2210
2211 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2212 {
2213 /* no range allowed */
2214 errormsg = (char_u *)_(e_norange);
2215 goto doend;
2216 }
2217 }
2218
2219 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2220 {
2221 errormsg = (char_u *)_(e_nobang);
2222 goto doend;
2223 }
2224
2225 /*
2226 * Don't complain about the range if it is not used
2227 * (could happen if line_count is accidentally set to 0).
2228 */
2229 if (!ea.skip && !ni)
2230 {
2231 /*
2232 * If the range is backwards, ask for confirmation and, if given, swap
2233 * ea.line1 & ea.line2 so it's forwards again.
2234 * When global command is busy, don't ask, will fail below.
2235 */
2236 if (!global_busy && ea.line1 > ea.line2)
2237 {
2238 if (msg_silent == 0)
2239 {
2240 if (sourcing || exmode_active)
2241 {
2242 errormsg = (char_u *)_("E493: Backwards range given");
2243 goto doend;
2244 }
2245 if (ask_yesno((char_u *)
2246 _("Backwards range given, OK to swap"), FALSE) != 'y')
2247 goto doend;
2248 }
2249 lnum = ea.line1;
2250 ea.line1 = ea.line2;
2251 ea.line2 = lnum;
2252 }
2253 if ((errormsg = invalid_range(&ea)) != NULL)
2254 goto doend;
2255 }
2256
2257 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2258 ea.line2 = 1;
2259
2260 correct_range(&ea);
2261
2262 #ifdef FEAT_FOLDING
2263 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2264 {
2265 /* Put the first line at the start of a closed fold, put the last line
2266 * at the end of a closed fold. */
2267 (void)hasFolding(ea.line1, &ea.line1, NULL);
2268 (void)hasFolding(ea.line2, NULL, &ea.line2);
2269 }
2270 #endif
2271
2272 #ifdef FEAT_QUICKFIX
2273 /*
2274 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2275 * option here, so things like % get expanded.
2276 */
2277 p = replace_makeprg(&ea, p, cmdlinep);
2278 if (p == NULL)
2279 goto doend;
2280 #endif
2281
2282 /*
2283 * Skip to start of argument.
2284 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2285 */
2286 if (ea.cmdidx == CMD_bang)
2287 ea.arg = p;
2288 else
2289 ea.arg = skipwhite(p);
2290
2291 /*
2292 * Check for "++opt=val" argument.
2293 * Must be first, allow ":w ++enc=utf8 !cmd"
2294 */
2295 if (ea.argt & ARGOPT)
2296 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2297 if (getargopt(&ea) == FAIL && !ni)
2298 {
2299 errormsg = (char_u *)_(e_invarg);
2300 goto doend;
2301 }
2302
2303 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2304 {
2305 if (*ea.arg == '>') /* append */
2306 {
2307 if (*++ea.arg != '>') /* typed wrong */
2308 {
2309 errormsg = (char_u *)_("E494: Use w or w>>");
2310 goto doend;
2311 }
2312 ea.arg = skipwhite(ea.arg + 1);
2313 ea.append = TRUE;
2314 }
2315 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2316 {
2317 ++ea.arg;
2318 ea.usefilter = TRUE;
2319 }
2320 }
2321
2322 if (ea.cmdidx == CMD_read)
2323 {
2324 if (ea.forceit)
2325 {
2326 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2327 ea.forceit = FALSE;
2328 }
2329 else if (*ea.arg == '!') /* :r !filter */
2330 {
2331 ++ea.arg;
2332 ea.usefilter = TRUE;
2333 }
2334 }
2335
2336 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2337 {
2338 ea.amount = 1;
2339 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2340 {
2341 ++ea.arg;
2342 ++ea.amount;
2343 }
2344 ea.arg = skipwhite(ea.arg);
2345 }
2346
2347 /*
2348 * Check for "+command" argument, before checking for next command.
2349 * Don't do this for ":read !cmd" and ":write !cmd".
2350 */
2351 if ((ea.argt & EDITCMD) && !ea.usefilter)
2352 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2353
2354 /*
2355 * Check for '|' to separate commands and '"' to start comments.
2356 * Don't do this for ":read !cmd" and ":write !cmd".
2357 */
2358 if ((ea.argt & TRLBAR) && !ea.usefilter)
2359 separate_nextcmd(&ea);
2360
2361 /*
2362 * Check for <newline> to end a shell command.
2363 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2364 * Any others?
2365 */
2366 else if (ea.cmdidx == CMD_bang
2367 || ea.cmdidx == CMD_global
2368 || ea.cmdidx == CMD_vglobal
2369 || ea.usefilter)
2370 {
2371 for (p = ea.arg; *p; ++p)
2372 {
2373 /* Remove one backslash before a newline, so that it's possible to
2374 * pass a newline to the shell and also a newline that is preceded
2375 * with a backslash. This makes it impossible to end a shell
2376 * command in a backslash, but that doesn't appear useful.
2377 * Halving the number of backslashes is incompatible with previous
2378 * versions. */
2379 if (*p == '\\' && p[1] == '\n')
2380 STRMOVE(p, p + 1);
2381 else if (*p == '\n')
2382 {
2383 ea.nextcmd = p + 1;
2384 *p = NUL;
2385 break;
2386 }
2387 }
2388 }
2389
2390 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2391 {
2392 ea.line1 = 1;
2393 ea.line2 = curbuf->b_ml.ml_line_count;
2394 }
2395
2396 /* accept numbered register only when no count allowed (:put) */
2397 if ( (ea.argt & REGSTR)
2398 && *ea.arg != NUL
2399 #ifdef FEAT_USR_CMDS
2400 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2401 && USER_CMDIDX(ea.cmdidx)))
2402 /* Do not allow register = for user commands */
2403 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2404 #else
2405 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2406 #endif
2407 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2408 {
2409 ea.regname = *ea.arg++;
2410 #ifdef FEAT_EVAL
2411 /* for '=' register: accept the rest of the line as an expression */
2412 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2413 {
2414 set_expr_line(vim_strsave(ea.arg));
2415 ea.arg += STRLEN(ea.arg);
2416 }
2417 #endif
2418 ea.arg = skipwhite(ea.arg);
2419 }
2420
2421 /*
2422 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2423 * count, it's a buffer name.
2424 */
2425 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2426 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2427 || vim_iswhite(*p)))
2428 {
2429 n = getdigits(&ea.arg);
2430 ea.arg = skipwhite(ea.arg);
2431 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2432 {
2433 errormsg = (char_u *)_(e_zerocount);
2434 goto doend;
2435 }
2436 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2437 {
2438 ea.line2 = n;
2439 if (ea.addr_count == 0)
2440 ea.addr_count = 1;
2441 }
2442 else
2443 {
2444 ea.line1 = ea.line2;
2445 ea.line2 += n - 1;
2446 ++ea.addr_count;
2447 /*
2448 * Be vi compatible: no error message for out of range.
2449 */
2450 if (ea.line2 > curbuf->b_ml.ml_line_count)
2451 ea.line2 = curbuf->b_ml.ml_line_count;
2452 }
2453 }
2454
2455 /*
2456 * Check for flags: 'l', 'p' and '#'.
2457 */
2458 if (ea.argt & EXFLAGS)
2459 get_flags(&ea);
2460 /* no arguments allowed */
2461 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2462 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2463 {
2464 errormsg = (char_u *)_(e_trailing);
2465 goto doend;
2466 }
2467
2468 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2469 {
2470 errormsg = (char_u *)_(e_argreq);
2471 goto doend;
2472 }
2473
2474 #ifdef FEAT_EVAL
2475 /*
2476 * Skip the command when it's not going to be executed.
2477 * The commands like :if, :endif, etc. always need to be executed.
2478 * Also make an exception for commands that handle a trailing command
2479 * themselves.
2480 */
2481 if (ea.skip)
2482 {
2483 switch (ea.cmdidx)
2484 {
2485 /* commands that need evaluation */
2486 case CMD_while:
2487 case CMD_endwhile:
2488 case CMD_for:
2489 case CMD_endfor:
2490 case CMD_if:
2491 case CMD_elseif:
2492 case CMD_else:
2493 case CMD_endif:
2494 case CMD_try:
2495 case CMD_catch:
2496 case CMD_finally:
2497 case CMD_endtry:
2498 case CMD_function:
2499 break;
2500
2501 /* Commands that handle '|' themselves. Check: A command should
2502 * either have the TRLBAR flag, appear in this list or appear in
2503 * the list at ":help :bar". */
2504 case CMD_aboveleft:
2505 case CMD_and:
2506 case CMD_belowright:
2507 case CMD_botright:
2508 case CMD_browse:
2509 case CMD_call:
2510 case CMD_confirm:
2511 case CMD_delfunction:
2512 case CMD_djump:
2513 case CMD_dlist:
2514 case CMD_dsearch:
2515 case CMD_dsplit:
2516 case CMD_echo:
2517 case CMD_echoerr:
2518 case CMD_echomsg:
2519 case CMD_echon:
2520 case CMD_execute:
2521 case CMD_help:
2522 case CMD_hide:
2523 case CMD_ijump:
2524 case CMD_ilist:
2525 case CMD_isearch:
2526 case CMD_isplit:
2527 case CMD_keepalt:
2528 case CMD_keepjumps:
2529 case CMD_keepmarks:
2530 case CMD_leftabove:
2531 case CMD_let:
2532 case CMD_lockmarks:
2533 case CMD_match:
2534 case CMD_mzscheme:
2535 case CMD_perl:
2536 case CMD_psearch:
2537 case CMD_python:
2538 case CMD_return:
2539 case CMD_rightbelow:
2540 case CMD_ruby:
2541 case CMD_silent:
2542 case CMD_smagic:
2543 case CMD_snomagic:
2544 case CMD_substitute:
2545 case CMD_syntax:
2546 case CMD_tab:
2547 case CMD_tcl:
2548 case CMD_throw:
2549 case CMD_tilde:
2550 case CMD_topleft:
2551 case CMD_unlet:
2552 case CMD_verbose:
2553 case CMD_vertical:
2554 break;
2555
2556 default: goto doend;
2557 }
2558 }
2559 #endif
2560
2561 if (ea.argt & XFILE)
2562 {
2563 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2564 goto doend;
2565 }
2566
2567 #ifdef FEAT_LISTCMDS
2568 /*
2569 * Accept buffer name. Cannot be used at the same time with a buffer
2570 * number. Don't do this for a user command.
2571 */
2572 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2573 # ifdef FEAT_USR_CMDS
2574 && !USER_CMDIDX(ea.cmdidx)
2575 # endif
2576 )
2577 {
2578 /*
2579 * :bdelete, :bwipeout and :bunload take several arguments, separated
2580 * by spaces: find next space (skipping over escaped characters).
2581 * The others take one argument: ignore trailing spaces.
2582 */
2583 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2584 || ea.cmdidx == CMD_bunload)
2585 p = skiptowhite_esc(ea.arg);
2586 else
2587 {
2588 p = ea.arg + STRLEN(ea.arg);
2589 while (p > ea.arg && vim_iswhite(p[-1]))
2590 --p;
2591 }
2592 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2593 if (ea.line2 < 0) /* failed */
2594 goto doend;
2595 ea.addr_count = 1;
2596 ea.arg = skipwhite(p);
2597 }
2598 #endif
2599
2600 /*
2601 * 6. switch on command name
2602 *
2603 * The "ea" structure holds the arguments that can be used.
2604 */
2605 ea.cmdlinep = cmdlinep;
2606 ea.getline = fgetline;
2607 ea.cookie = cookie;
2608 #ifdef FEAT_EVAL
2609 ea.cstack = cstack;
2610 #endif
2611
2612 #ifdef FEAT_USR_CMDS
2613 if (USER_CMDIDX(ea.cmdidx))
2614 {
2615 /*
2616 * Execute a user-defined command.
2617 */
2618 do_ucmd(&ea);
2619 }
2620 else
2621 #endif
2622 {
2623 /*
2624 * Call the function to execute the command.
2625 */
2626 ea.errmsg = NULL;
2627 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2628 if (ea.errmsg != NULL)
2629 errormsg = (char_u *)_(ea.errmsg);
2630 }
2631
2632 #ifdef FEAT_EVAL
2633 /*
2634 * If the command just executed called do_cmdline(), any throw or ":return"
2635 * or ":finish" encountered there must also check the cstack of the still
2636 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2637 * exception, or reanimate a returned function or finished script file and
2638 * return or finish it again.
2639 */
2640 if (need_rethrow)
2641 do_throw(cstack);
2642 else if (check_cstack)
2643 {
2644 if (source_finished(fgetline, cookie))
2645 do_finish(&ea, TRUE);
2646 else if (getline_equal(fgetline, cookie, get_func_line)
2647 && current_func_returned())
2648 do_return(&ea, TRUE, FALSE, NULL);
2649 }
2650 need_rethrow = check_cstack = FALSE;
2651 #endif
2652
2653 doend:
2654 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2655 curwin->w_cursor.lnum = 1;
2656
2657 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2658 {
2659 if (sourcing)
2660 {
2661 if (errormsg != IObuff)
2662 {
2663 STRCPY(IObuff, errormsg);
2664 errormsg = IObuff;
2665 }
2666 STRCAT(errormsg, ": ");
2667 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2668 }
2669 emsg(errormsg);
2670 }
2671 #ifdef FEAT_EVAL
2672 do_errthrow(cstack,
2673 (ea.cmdidx != CMD_SIZE
2674 # ifdef FEAT_USR_CMDS
2675 && !USER_CMDIDX(ea.cmdidx)
2676 # endif
2677 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2678 #endif
2679
2680 if (verbose_save >= 0)
2681 p_verbose = verbose_save;
2682 #ifdef FEAT_AUTOCMD
2683 if (cmdmod.save_ei != NULL)
2684 {
2685 /* Restore 'eventignore' to the value before ":noautocmd". */
2686 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2687 OPT_FREE, SID_NONE);
2688 free_string_option(cmdmod.save_ei);
2689 }
2690 #endif
2691
2692 cmdmod = save_cmdmod;
2693
2694 if (save_msg_silent != -1)
2695 {
2696 /* messages could be enabled for a serious error, need to check if the
2697 * counters don't become negative */
2698 if (!did_emsg || msg_silent > save_msg_silent)
2699 msg_silent = save_msg_silent;
2700 emsg_silent -= did_esilent;
2701 if (emsg_silent < 0)
2702 emsg_silent = 0;
2703 /* Restore msg_scroll, it's set by file I/O commands, even when no
2704 * message is actually displayed. */
2705 msg_scroll = save_msg_scroll;
2706
2707 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2708 * somewhere in the line. Put it back in the first column. */
2709 if (redirecting())
2710 msg_col = 0;
2711 }
2712
2713 #ifdef HAVE_SANDBOX
2714 if (did_sandbox)
2715 --sandbox;
2716 #endif
2717
2718 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2719 ea.nextcmd = NULL;
2720
2721 #ifdef FEAT_EVAL
2722 --ex_nesting_level;
2723 #endif
2724
2725 return ea.nextcmd;
2726 }
2727 #if (_MSC_VER == 1200)
2728 #pragma optimize( "", on )
2729 #endif
2730
2731 /*
2732 * Check for an Ex command with optional tail.
2733 * If there is a match advance "pp" to the argument and return TRUE.
2734 */
2735 int
2736 checkforcmd(pp, cmd, len)
2737 char_u **pp; /* start of command */
2738 char *cmd; /* name of command */
2739 int len; /* required length */
2740 {
2741 int i;
2742
2743 for (i = 0; cmd[i] != NUL; ++i)
2744 if (((char_u *)cmd)[i] != (*pp)[i])
2745 break;
2746 if (i >= len && !isalpha((*pp)[i]))
2747 {
2748 *pp = skipwhite(*pp + i);
2749 return TRUE;
2750 }
2751 return FALSE;
2752 }
2753
2754 /*
2755 * Find an Ex command by its name, either built-in or user.
2756 * Start of the name can be found at eap->cmd.
2757 * Returns pointer to char after the command name.
2758 * "full" is set to TRUE if the whole command name matched.
2759 * Returns NULL for an ambiguous user command.
2760 */
2761 static char_u *
2762 find_command(eap, full)
2763 exarg_T *eap;
2764 int *full UNUSED;
2765 {
2766 int len;
2767 char_u *p;
2768 int i;
2769
2770 /*
2771 * Isolate the command and search for it in the command table.
2772 * Exceptions:
2773 * - the 'k' command can directly be followed by any character.
2774 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2775 * but :sre[wind] is another command, as are :scrip[tnames],
2776 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2777 * - the "d" command can directly be followed by 'l' or 'p' flag.
2778 */
2779 p = eap->cmd;
2780 if (*p == 'k')
2781 {
2782 eap->cmdidx = CMD_k;
2783 ++p;
2784 }
2785 else if (p[0] == 's'
2786 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2787 && p[3] != 'i' && p[4] != 'p')
2788 || p[1] == 'g'
2789 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2790 || p[1] == 'I'
2791 || (p[1] == 'r' && p[2] != 'e')))
2792 {
2793 eap->cmdidx = CMD_substitute;
2794 ++p;
2795 }
2796 else
2797 {
2798 while (ASCII_ISALPHA(*p))
2799 ++p;
2800 /* check for non-alpha command */
2801 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2802 ++p;
2803 len = (int)(p - eap->cmd);
2804 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2805 {
2806 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2807 * :delete with the 'l' flag. Same for 'p'. */
2808 for (i = 0; i < len; ++i)
2809 if (eap->cmd[i] != ((char_u *)"delete")[i])
2810 break;
2811 if (i == len - 1)
2812 {
2813 --len;
2814 if (p[-1] == 'l')
2815 eap->flags |= EXFLAG_LIST;
2816 else
2817 eap->flags |= EXFLAG_PRINT;
2818 }
2819 }
2820
2821 if (ASCII_ISLOWER(*eap->cmd))
2822 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2823 else
2824 eap->cmdidx = cmdidxs[26];
2825
2826 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2827 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2828 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2829 (size_t)len) == 0)
2830 {
2831 #ifdef FEAT_EVAL
2832 if (full != NULL
2833 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2834 *full = TRUE;
2835 #endif
2836 break;
2837 }
2838
2839 #ifdef FEAT_USR_CMDS
2840 /* Look for a user defined command as a last resort */
2841 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2842 {
2843 /* User defined commands may contain digits. */
2844 while (ASCII_ISALNUM(*p))
2845 ++p;
2846 p = find_ucmd(eap, p, full, NULL, NULL);
2847 }
2848 #endif
2849 if (p == eap->cmd)
2850 eap->cmdidx = CMD_SIZE;
2851 }
2852
2853 return p;
2854 }
2855
2856 #ifdef FEAT_USR_CMDS
2857 /*
2858 * Search for a user command that matches "eap->cmd".
2859 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2860 * Return a pointer to just after the command.
2861 * Return NULL if there is no matching command.
2862 */
2863 static char_u *
2864 find_ucmd(eap, p, full, xp, compl)
2865 exarg_T *eap;
2866 char_u *p; /* end of the command (possibly including count) */
2867 int *full; /* set to TRUE for a full match */
2868 expand_T *xp; /* used for completion, NULL otherwise */
2869 int *compl; /* completion flags or NULL */
2870 {
2871 int len = (int)(p - eap->cmd);
2872 int j, k, matchlen = 0;
2873 ucmd_T *uc;
2874 int found = FALSE;
2875 int possible = FALSE;
2876 char_u *cp, *np; /* Point into typed cmd and test name */
2877 garray_T *gap;
2878 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2879 only full match global is accepted. */
2880
2881 /*
2882 * Look for buffer-local user commands first, then global ones.
2883 */
2884 gap = &curbuf->b_ucmds;
2885 for (;;)
2886 {
2887 for (j = 0; j < gap->ga_len; ++j)
2888 {
2889 uc = USER_CMD_GA(gap, j);
2890 cp = eap->cmd;
2891 np = uc->uc_name;
2892 k = 0;
2893 while (k < len && *np != NUL && *cp++ == *np++)
2894 k++;
2895 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2896 {
2897 /* If finding a second match, the command is ambiguous. But
2898 * not if a buffer-local command wasn't a full match and a
2899 * global command is a full match. */
2900 if (k == len && found && *np != NUL)
2901 {
2902 if (gap == &ucmds)
2903 return NULL;
2904 amb_local = TRUE;
2905 }
2906
2907 if (!found || (k == len && *np == NUL))
2908 {
2909 /* If we matched up to a digit, then there could
2910 * be another command including the digit that we
2911 * should use instead.
2912 */
2913 if (k == len)
2914 found = TRUE;
2915 else
2916 possible = TRUE;
2917
2918 if (gap == &ucmds)
2919 eap->cmdidx = CMD_USER;
2920 else
2921 eap->cmdidx = CMD_USER_BUF;
2922 eap->argt = (long)uc->uc_argt;
2923 eap->useridx = j;
2924
2925 # ifdef FEAT_CMDL_COMPL
2926 if (compl != NULL)
2927 *compl = uc->uc_compl;
2928 # ifdef FEAT_EVAL
2929 if (xp != NULL)
2930 {
2931 xp->xp_arg = uc->uc_compl_arg;
2932 xp->xp_scriptID = uc->uc_scriptID;
2933 }
2934 # endif
2935 # endif
2936 /* Do not search for further abbreviations
2937 * if this is an exact match. */
2938 matchlen = k;
2939 if (k == len && *np == NUL)
2940 {
2941 if (full != NULL)
2942 *full = TRUE;
2943 amb_local = FALSE;
2944 break;
2945 }
2946 }
2947 }
2948 }
2949
2950 /* Stop if we found a full match or searched all. */
2951 if (j < gap->ga_len || gap == &ucmds)
2952 break;
2953 gap = &ucmds;
2954 }
2955
2956 /* Only found ambiguous matches. */
2957 if (amb_local)
2958 {
2959 if (xp != NULL)
2960 xp->xp_context = EXPAND_UNSUCCESSFUL;
2961 return NULL;
2962 }
2963
2964 /* The match we found may be followed immediately by a number. Move "p"
2965 * back to point to it. */
2966 if (found || possible)
2967 return p + (matchlen - len);
2968 return p;
2969 }
2970 #endif
2971
2972 #if defined(FEAT_EVAL) || defined(PROTO)
2973 static struct cmdmod
2974 {
2975 char *name;
2976 int minlen;
2977 int has_count; /* :123verbose :3tab */
2978 } cmdmods[] = {
2979 {"aboveleft", 3, FALSE},
2980 {"belowright", 3, FALSE},
2981 {"botright", 2, FALSE},
2982 {"browse", 3, FALSE},
2983 {"confirm", 4, FALSE},
2984 {"hide", 3, FALSE},
2985 {"keepalt", 5, FALSE},
2986 {"keepjumps", 5, FALSE},
2987 {"keepmarks", 3, FALSE},
2988 {"leftabove", 5, FALSE},
2989 {"lockmarks", 3, FALSE},
2990 {"noautocmd", 3, FALSE},
2991 {"rightbelow", 6, FALSE},
2992 {"sandbox", 3, FALSE},
2993 {"silent", 3, FALSE},
2994 {"tab", 3, TRUE},
2995 {"topleft", 2, FALSE},
2996 {"unsilent", 3, FALSE},
2997 {"verbose", 4, TRUE},
2998 {"vertical", 4, FALSE},
2999 };
3000
3001 /*
3002 * Return length of a command modifier (including optional count).
3003 * Return zero when it's not a modifier.
3004 */
3005 int
3006 modifier_len(cmd)
3007 char_u *cmd;
3008 {
3009 int i, j;
3010 char_u *p = cmd;
3011
3012 if (VIM_ISDIGIT(*cmd))
3013 p = skipwhite(skipdigits(cmd));
3014 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3015 {
3016 for (j = 0; p[j] != NUL; ++j)
3017 if (p[j] != cmdmods[i].name[j])
3018 break;
3019 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3020 && (p == cmd || cmdmods[i].has_count))
3021 return j + (int)(p - cmd);
3022 }
3023 return 0;
3024 }
3025
3026 /*
3027 * Return > 0 if an Ex command "name" exists.
3028 * Return 2 if there is an exact match.
3029 * Return 3 if there is an ambiguous match.
3030 */
3031 int
3032 cmd_exists(name)
3033 char_u *name;
3034 {
3035 exarg_T ea;
3036 int full = FALSE;
3037 int i;
3038 int j;
3039 char_u *p;
3040
3041 /* Check command modifiers. */
3042 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3043 {
3044 for (j = 0; name[j] != NUL; ++j)
3045 if (name[j] != cmdmods[i].name[j])
3046 break;
3047 if (name[j] == NUL && j >= cmdmods[i].minlen)
3048 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3049 }
3050
3051 /* Check built-in commands and user defined commands.
3052 * For ":2match" and ":3match" we need to skip the number. */
3053 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3054 ea.cmdidx = (cmdidx_T)0;
3055 p = find_command(&ea, &full);
3056 if (p == NULL)
3057 return 3;
3058 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3059 return 0;
3060 if (*skipwhite(p) != NUL)
3061 return 0; /* trailing garbage */
3062 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3063 }
3064 #endif
3065
3066 /*
3067 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3068 * we don't need/want deleted. Maybe this could be done better if we didn't
3069 * repeat all this stuff. The only problem is that they may not stay
3070 * perfectly compatible with each other, but then the command line syntax
3071 * probably won't change that much -- webb.
3072 */
3073 char_u *
3074 set_one_cmd_context(xp, buff)
3075 expand_T *xp;
3076 char_u *buff; /* buffer for command string */
3077 {
3078 char_u *p;
3079 char_u *cmd, *arg;
3080 int len = 0;
3081 exarg_T ea;
3082 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3083 int compl = EXPAND_NOTHING;
3084 #endif
3085 #ifdef FEAT_CMDL_COMPL
3086 int delim;
3087 #endif
3088 int forceit = FALSE;
3089 int usefilter = FALSE; /* filter instead of file name */
3090
3091 ExpandInit(xp);
3092 xp->xp_pattern = buff;
3093 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3094 ea.argt = 0;
3095
3096 /*
3097 * 2. skip comment lines and leading space, colons or bars
3098 */
3099 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3100 ;
3101 xp->xp_pattern = cmd;
3102
3103 if (*cmd == NUL)
3104 return NULL;
3105 if (*cmd == '"') /* ignore comment lines */
3106 {
3107 xp->xp_context = EXPAND_NOTHING;
3108 return NULL;
3109 }
3110
3111 /*
3112 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3113 */
3114 cmd = skip_range(cmd, &xp->xp_context);
3115
3116 /*
3117 * 4. parse command
3118 */
3119 xp->xp_pattern = cmd;
3120 if (*cmd == NUL)
3121 return NULL;
3122 if (*cmd == '"')
3123 {
3124 xp->xp_context = EXPAND_NOTHING;
3125 return NULL;
3126 }
3127
3128 if (*cmd == '|' || *cmd == '\n')
3129 return cmd + 1; /* There's another command */
3130
3131 /*
3132 * Isolate the command and search for it in the command table.
3133 * Exceptions:
3134 * - the 'k' command can directly be followed by any character, but
3135 * do accept "keepmarks", "keepalt" and "keepjumps".
3136 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3137 */
3138 if (*cmd == 'k' && cmd[1] != 'e')
3139 {
3140 ea.cmdidx = CMD_k;
3141 p = cmd + 1;
3142 }
3143 else
3144 {
3145 p = cmd;
3146 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3147 ++p;
3148 /* check for non-alpha command */
3149 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3150 ++p;
3151 len = (int)(p - cmd);
3152
3153 if (len == 0)
3154 {
3155 xp->xp_context = EXPAND_UNSUCCESSFUL;
3156 return NULL;
3157 }
3158 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3159 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3160 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3161 break;
3162
3163 #ifdef FEAT_USR_CMDS
3164 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3165 {
3166 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3167 ++p;
3168 len = (int)(p - cmd);
3169 }
3170 #endif
3171 }
3172
3173 /*
3174 * If the cursor is touching the command, and it ends in an alpha-numeric
3175 * character, complete the command name.
3176 */
3177 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3178 return NULL;
3179
3180 if (ea.cmdidx == CMD_SIZE)
3181 {
3182 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3183 {
3184 ea.cmdidx = CMD_substitute;
3185 p = cmd + 1;
3186 }
3187 #ifdef FEAT_USR_CMDS
3188 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3189 {
3190 ea.cmd = cmd;
3191 p = find_ucmd(&ea, p, NULL, xp,
3192 # if defined(FEAT_CMDL_COMPL)
3193 &compl
3194 # else
3195 NULL
3196 # endif
3197 );
3198 if (p == NULL)
3199 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3200 }
3201 #endif
3202 }
3203 if (ea.cmdidx == CMD_SIZE)
3204 {
3205 /* Not still touching the command and it was an illegal one */
3206 xp->xp_context = EXPAND_UNSUCCESSFUL;
3207 return NULL;
3208 }
3209
3210 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3211
3212 if (*p == '!') /* forced commands */
3213 {
3214 forceit = TRUE;
3215 ++p;
3216 }
3217
3218 /*
3219 * 5. parse arguments
3220 */
3221 #ifdef FEAT_USR_CMDS
3222 if (!USER_CMDIDX(ea.cmdidx))
3223 #endif
3224 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3225
3226 arg = skipwhite(p);
3227
3228 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3229 {
3230 if (*arg == '>') /* append */
3231 {
3232 if (*++arg == '>')
3233 ++arg;
3234 arg = skipwhite(arg);
3235 }
3236 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3237 {
3238 ++arg;
3239 usefilter = TRUE;
3240 }
3241 }
3242
3243 if (ea.cmdidx == CMD_read)
3244 {
3245 usefilter = forceit; /* :r! filter if forced */
3246 if (*arg == '!') /* :r !filter */
3247 {
3248 ++arg;
3249 usefilter = TRUE;
3250 }
3251 }
3252
3253 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3254 {
3255 while (*arg == *cmd) /* allow any number of '>' or '<' */
3256 ++arg;
3257 arg = skipwhite(arg);
3258 }
3259
3260 /* Does command allow "+command"? */
3261 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3262 {
3263 /* Check if we're in the +command */
3264 p = arg + 1;
3265 arg = skip_cmd_arg(arg, FALSE);
3266
3267 /* Still touching the command after '+'? */
3268 if (*arg == NUL)
3269 return p;
3270
3271 /* Skip space(s) after +command to get to the real argument */
3272 arg = skipwhite(arg);
3273 }
3274
3275 /*
3276 * Check for '|' to separate commands and '"' to start comments.
3277 * Don't do this for ":read !cmd" and ":write !cmd".
3278 */
3279 if ((ea.argt & TRLBAR) && !usefilter)
3280 {
3281 p = arg;
3282 /* ":redir @" is not the start of a comment */
3283 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3284 p += 2;
3285 while (*p)
3286 {
3287 if (*p == Ctrl_V)
3288 {
3289 if (p[1] != NUL)
3290 ++p;
3291 }
3292 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3293 || *p == '|' || *p == '\n')
3294 {
3295 if (*(p - 1) != '\\')
3296 {
3297 if (*p == '|' || *p == '\n')
3298 return p + 1;
3299 return NULL; /* It's a comment */
3300 }
3301 }
3302 mb_ptr_adv(p);
3303 }
3304 }
3305
3306 /* no arguments allowed */
3307 if (!(ea.argt & EXTRA) && *arg != NUL &&
3308 vim_strchr((char_u *)"|\"", *arg) == NULL)
3309 return NULL;
3310
3311 /* Find start of last argument (argument just before cursor): */
3312 p = buff + STRLEN(buff);
3313 while (p != arg && *p != ' ' && *p != TAB)
3314 p--;
3315 if (*p == ' ' || *p == TAB)
3316 p++;
3317 xp->xp_pattern = p;
3318
3319 if (ea.argt & XFILE)
3320 {
3321 int c;
3322 int in_quote = FALSE;
3323 char_u *bow = NULL; /* Beginning of word */
3324
3325 /*
3326 * Allow spaces within back-quotes to count as part of the argument
3327 * being expanded.
3328 */
3329 xp->xp_pattern = skipwhite(arg);
3330 p = xp->xp_pattern;
3331 while (*p != NUL)
3332 {
3333 #ifdef FEAT_MBYTE
3334 if (has_mbyte)
3335 c = mb_ptr2char(p);
3336 else
3337 #endif
3338 c = *p;
3339 if (c == '\\' && p[1] != NUL)
3340 ++p;
3341 else if (c == '`')
3342 {
3343 if (!in_quote)
3344 {
3345 xp->xp_pattern = p;
3346 bow = p + 1;
3347 }
3348 in_quote = !in_quote;
3349 }
3350 /* An argument can contain just about everything, except
3351 * characters that end the command and white space. */
3352 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3353 #ifdef SPACE_IN_FILENAME
3354 && (!(ea.argt & NOSPC) || usefilter)
3355 #endif
3356 ))
3357 {
3358 len = 0; /* avoid getting stuck when space is in 'isfname' */
3359 while (*p != NUL)
3360 {
3361 #ifdef FEAT_MBYTE
3362 if (has_mbyte)
3363 c = mb_ptr2char(p);
3364 else
3365 #endif
3366 c = *p;
3367 if (c == '`' || vim_isfilec_or_wc(c))
3368 break;
3369 #ifdef FEAT_MBYTE
3370 if (has_mbyte)
3371 len = (*mb_ptr2len)(p);
3372 else
3373 #endif
3374 len = 1;
3375 mb_ptr_adv(p);
3376 }
3377 if (in_quote)
3378 bow = p;
3379 else
3380 xp->xp_pattern = p;
3381 p -= len;
3382 }
3383 mb_ptr_adv(p);
3384 }
3385
3386 /*
3387 * If we are still inside the quotes, and we passed a space, just
3388 * expand from there.
3389 */
3390 if (bow != NULL && in_quote)
3391 xp->xp_pattern = bow;
3392 xp->xp_context = EXPAND_FILES;
3393
3394 #ifndef BACKSLASH_IN_FILENAME
3395 /* For a shell command more chars need to be escaped. */
3396 if (usefilter || ea.cmdidx == CMD_bang)
3397 {
3398 xp->xp_shell = TRUE;
3399
3400 /* When still after the command name expand executables. */
3401 if (xp->xp_pattern == skipwhite(arg))
3402 xp->xp_context = EXPAND_SHELLCMD;
3403 }
3404 #endif
3405
3406 /* Check for environment variable */
3407 if (*xp->xp_pattern == '$'
3408 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3409 || *xp->xp_pattern == '%'
3410 #endif
3411 )
3412 {
3413 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3414 if (!vim_isIDc(*p))
3415 break;
3416 if (*p == NUL)
3417 {
3418 xp->xp_context = EXPAND_ENV_VARS;
3419 ++xp->xp_pattern;
3420 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3421 /* Avoid that the assignment uses EXPAND_FILES again. */
3422 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3423 compl = EXPAND_ENV_VARS;
3424 #endif
3425 }
3426 }
3427 }
3428
3429 /*
3430 * 6. switch on command name
3431 */
3432 switch (ea.cmdidx)
3433 {
3434 case CMD_cd:
3435 case CMD_chdir:
3436 case CMD_lcd:
3437 case CMD_lchdir:
3438 if (xp->xp_context == EXPAND_FILES)
3439 xp->xp_context = EXPAND_DIRECTORIES;
3440 break;
3441 case CMD_help:
3442 xp->xp_context = EXPAND_HELP;
3443 xp->xp_pattern = arg;
3444 break;
3445
3446 /* Command modifiers: return the argument.
3447 * Also for commands with an argument that is a command. */
3448 case CMD_aboveleft:
3449 case CMD_argdo:
3450 case CMD_belowright:
3451 case CMD_botright:
3452 case CMD_browse:
3453 case CMD_bufdo:
3454 case CMD_confirm:
3455 case CMD_debug:
3456 case CMD_folddoclosed:
3457 case CMD_folddoopen:
3458 case CMD_hide:
3459 case CMD_keepalt:
3460 case CMD_keepjumps:
3461 case CMD_keepmarks:
3462 case CMD_leftabove:
3463 case CMD_lockmarks:
3464 case CMD_rightbelow:
3465 case CMD_sandbox:
3466 case CMD_silent:
3467 case CMD_tab:
3468 case CMD_topleft:
3469 case CMD_verbose:
3470 case CMD_vertical:
3471 case CMD_windo:
3472 return arg;
3473
3474 #ifdef FEAT_CMDL_COMPL
3475 # ifdef FEAT_SEARCH_EXTRA
3476 case CMD_match:
3477 if (*arg == NUL || !ends_excmd(*arg))
3478 {
3479 /* also complete "None" */
3480 set_context_in_echohl_cmd(xp, arg);
3481 arg = skipwhite(skiptowhite(arg));
3482 if (*arg != NUL)
3483 {
3484 xp->xp_context = EXPAND_NOTHING;
3485 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3486 }
3487 }
3488 return find_nextcmd(arg);
3489 # endif
3490
3491 /*
3492 * All completion for the +cmdline_compl feature goes here.
3493 */
3494
3495 # ifdef FEAT_USR_CMDS
3496 case CMD_command:
3497 /* Check for attributes */
3498 while (*arg == '-')
3499 {
3500 arg++; /* Skip "-" */
3501 p = skiptowhite(arg);
3502 if (*p == NUL)
3503 {
3504 /* Cursor is still in the attribute */
3505 p = vim_strchr(arg, '=');
3506 if (p == NULL)
3507 {
3508 /* No "=", so complete attribute names */
3509 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3510 xp->xp_pattern = arg;
3511 return NULL;
3512 }
3513
3514 /* For the -complete and -nargs attributes, we complete
3515 * their arguments as well.
3516 */
3517 if (STRNICMP(arg, "complete", p - arg) == 0)
3518 {
3519 xp->xp_context = EXPAND_USER_COMPLETE;
3520 xp->xp_pattern = p + 1;
3521 return NULL;
3522 }
3523 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3524 {
3525 xp->xp_context = EXPAND_USER_NARGS;
3526 xp->xp_pattern = p + 1;
3527 return NULL;
3528 }
3529 return NULL;
3530 }
3531 arg = skipwhite(p);
3532 }
3533
3534 /* After the attributes comes the new command name */
3535 p = skiptowhite(arg);
3536 if (*p == NUL)
3537 {
3538 xp->xp_context = EXPAND_USER_COMMANDS;
3539 xp->xp_pattern = arg;
3540 break;
3541 }
3542
3543 /* And finally comes a normal command */
3544 return skipwhite(p);
3545
3546 case CMD_delcommand:
3547 xp->xp_context = EXPAND_USER_COMMANDS;
3548 xp->xp_pattern = arg;
3549 break;
3550 # endif
3551
3552 case CMD_global:
3553 case CMD_vglobal:
3554 delim = *arg; /* get the delimiter */
3555 if (delim)
3556 ++arg; /* skip delimiter if there is one */
3557
3558 while (arg[0] != NUL && arg[0] != delim)
3559 {
3560 if (arg[0] == '\\' && arg[1] != NUL)
3561 ++arg;
3562 ++arg;
3563 }
3564 if (arg[0] != NUL)
3565 return arg + 1;
3566 break;
3567 case CMD_and:
3568 case CMD_substitute:
3569 delim = *arg;
3570 if (delim)
3571 {
3572 /* skip "from" part */
3573 ++arg;
3574 arg = skip_regexp(arg, delim, p_magic, NULL);
3575 }
3576 /* skip "to" part */
3577 while (arg[0] != NUL && arg[0] != delim)
3578 {
3579 if (arg[0] == '\\' && arg[1] != NUL)
3580 ++arg;
3581 ++arg;
3582 }
3583 if (arg[0] != NUL) /* skip delimiter */
3584 ++arg;
3585 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3586 ++arg;
3587 if (arg[0] != NUL)
3588 return arg;
3589 break;
3590 case CMD_isearch:
3591 case CMD_dsearch:
3592 case CMD_ilist:
3593 case CMD_dlist:
3594 case CMD_ijump:
3595 case CMD_psearch:
3596 case CMD_djump:
3597 case CMD_isplit:
3598 case CMD_dsplit:
3599 arg = skipwhite(skipdigits(arg)); /* skip count */
3600 if (*arg == '/') /* Match regexp, not just whole words */
3601 {
3602 for (++arg; *arg && *arg != '/'; arg++)
3603 if (*arg == '\\' && arg[1] != NUL)
3604 arg++;
3605 if (*arg)
3606 {
3607 arg = skipwhite(arg + 1);
3608
3609 /* Check for trailing illegal characters */
3610 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3611 xp->xp_context = EXPAND_NOTHING;
3612 else
3613 return arg;
3614 }
3615 }
3616 break;
3617 #ifdef FEAT_AUTOCMD
3618 case CMD_autocmd:
3619 return set_context_in_autocmd(xp, arg, FALSE);
3620
3621 case CMD_doautocmd:
3622 case CMD_doautoall:
3623 return set_context_in_autocmd(xp, arg, TRUE);
3624 #endif
3625 case CMD_set:
3626 set_context_in_set_cmd(xp, arg, 0);
3627 break;
3628 case CMD_setglobal:
3629 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3630 break;
3631 case CMD_setlocal:
3632 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3633 break;
3634 case CMD_tag:
3635 case CMD_stag:
3636 case CMD_ptag:
3637 case CMD_ltag:
3638 case CMD_tselect:
3639 case CMD_stselect:
3640 case CMD_ptselect:
3641 case CMD_tjump:
3642 case CMD_stjump:
3643 case CMD_ptjump:
3644 if (*p_wop != NUL)
3645 xp->xp_context = EXPAND_TAGS_LISTFILES;
3646 else
3647 xp->xp_context = EXPAND_TAGS;
3648 xp->xp_pattern = arg;
3649 break;
3650 case CMD_augroup:
3651 xp->xp_context = EXPAND_AUGROUP;
3652 xp->xp_pattern = arg;
3653 break;
3654 #ifdef FEAT_SYN_HL
3655 case CMD_syntax:
3656 set_context_in_syntax_cmd(xp, arg);
3657 break;
3658 #endif
3659 #ifdef FEAT_EVAL
3660 case CMD_let:
3661 case CMD_if:
3662 case CMD_elseif:
3663 case CMD_while:
3664 case CMD_for:
3665 case CMD_echo:
3666 case CMD_echon:
3667 case CMD_execute:
3668 case CMD_echomsg:
3669 case CMD_echoerr:
3670 case CMD_call:
3671 case CMD_return:
3672 set_context_for_expression(xp, arg, ea.cmdidx);
3673 break;
3674
3675 case CMD_unlet:
3676 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3677 arg = xp->xp_pattern + 1;
3678 xp->xp_context = EXPAND_USER_VARS;
3679 xp->xp_pattern = arg;
3680 break;
3681
3682 case CMD_function:
3683 case CMD_delfunction:
3684 xp->xp_context = EXPAND_USER_FUNC;
3685 xp->xp_pattern = arg;
3686 break;
3687
3688 case CMD_echohl:
3689 set_context_in_echohl_cmd(xp, arg);
3690 break;
3691 #endif
3692 case CMD_highlight:
3693 set_context_in_highlight_cmd(xp, arg);
3694 break;
3695 #ifdef FEAT_CSCOPE
3696 case CMD_cscope:
3697 case CMD_lcscope:
3698 case CMD_scscope:
3699 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3700 break;
3701 #endif
3702 #ifdef FEAT_SIGNS
3703 case CMD_sign:
3704 set_context_in_sign_cmd(xp, arg);
3705 break;
3706 #endif
3707 #ifdef FEAT_LISTCMDS
3708 case CMD_bdelete:
3709 case CMD_bwipeout:
3710 case CMD_bunload:
3711 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3712 arg = xp->xp_pattern + 1;
3713 /*FALLTHROUGH*/
3714 case CMD_buffer:
3715 case CMD_sbuffer:
3716 case CMD_checktime:
3717 xp->xp_context = EXPAND_BUFFERS;
3718 xp->xp_pattern = arg;
3719 break;
3720 #endif
3721 #ifdef FEAT_USR_CMDS
3722 case CMD_USER:
3723 case CMD_USER_BUF:
3724 if (compl != EXPAND_NOTHING)
3725 {
3726 /* XFILE: file names are handled above */
3727 if (!(ea.argt & XFILE))
3728 {
3729 # ifdef FEAT_MENU
3730 if (compl == EXPAND_MENUS)
3731 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3732 # endif
3733 if (compl == EXPAND_COMMANDS)
3734 return arg;
3735 if (compl == EXPAND_MAPPINGS)
3736 return set_context_in_map_cmd(xp, (char_u *)"map",
3737 arg, forceit, FALSE, FALSE, CMD_map);
3738 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3739 arg = xp->xp_pattern + 1;
3740 xp->xp_pattern = arg;
3741 }
3742 xp->xp_context = compl;
3743 }
3744 break;
3745 #endif
3746 case CMD_map: case CMD_noremap:
3747 case CMD_nmap: case CMD_nnoremap:
3748 case CMD_vmap: case CMD_vnoremap:
3749 case CMD_omap: case CMD_onoremap:
3750 case CMD_imap: case CMD_inoremap:
3751 case CMD_cmap: case CMD_cnoremap:
3752 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3753 FALSE, FALSE, ea.cmdidx);
3754 case CMD_unmap:
3755 case CMD_nunmap:
3756 case CMD_vunmap:
3757 case CMD_ounmap:
3758 case CMD_iunmap:
3759 case CMD_cunmap:
3760 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3761 FALSE, TRUE, ea.cmdidx);
3762 case CMD_abbreviate: case CMD_noreabbrev:
3763 case CMD_cabbrev: case CMD_cnoreabbrev:
3764 case CMD_iabbrev: case CMD_inoreabbrev:
3765 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3766 TRUE, FALSE, ea.cmdidx);
3767 case CMD_unabbreviate:
3768 case CMD_cunabbrev:
3769 case CMD_iunabbrev:
3770 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3771 TRUE, TRUE, ea.cmdidx);
3772 #ifdef FEAT_MENU
3773 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3774 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3775 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3776 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3777 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3778 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3779 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3780 case CMD_tmenu: case CMD_tunmenu:
3781 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3782 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3783 #endif
3784
3785 case CMD_colorscheme:
3786 xp->xp_context = EXPAND_COLORS;
3787 xp->xp_pattern = arg;
3788 break;
3789
3790 case CMD_compiler:
3791 xp->xp_context = EXPAND_COMPILER;
3792 xp->xp_pattern = arg;
3793 break;
3794
3795 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3796 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3797 case CMD_language:
3798 if (*skiptowhite(arg) == NUL)
3799 {
3800 xp->xp_context = EXPAND_LANGUAGE;
3801 xp->xp_pattern = arg;
3802 }
3803 else
3804 xp->xp_context = EXPAND_NOTHING;
3805 break;
3806 #endif
3807
3808 #endif /* FEAT_CMDL_COMPL */
3809
3810 default:
3811 break;
3812 }
3813 return NULL;
3814 }
3815
3816 /*
3817 * skip a range specifier of the form: addr [,addr] [;addr] ..
3818 *
3819 * Backslashed delimiters after / or ? will be skipped, and commands will
3820 * not be expanded between /'s and ?'s or after "'".
3821 *
3822 * Also skip white space and ":" characters.
3823 * Returns the "cmd" pointer advanced to beyond the range.
3824 */
3825 char_u *
3826 skip_range(cmd, ctx)
3827 char_u *cmd;
3828 int *ctx; /* pointer to xp_context or NULL */
3829 {
3830 unsigned delim;
3831
3832 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3833 {
3834 if (*cmd == '\'')
3835 {
3836 if (*++cmd == NUL && ctx != NULL)
3837 *ctx = EXPAND_NOTHING;
3838 }
3839 else if (*cmd == '/' || *cmd == '?')
3840 {
3841 delim = *cmd++;
3842 while (*cmd != NUL && *cmd != delim)
3843 if (*cmd++ == '\\' && *cmd != NUL)
3844 ++cmd;
3845 if (*cmd == NUL && ctx != NULL)
3846 *ctx = EXPAND_NOTHING;
3847 }
3848 if (*cmd != NUL)
3849 ++cmd;
3850 }
3851
3852 /* Skip ":" and white space. */
3853 while (*cmd == ':')
3854 cmd = skipwhite(cmd + 1);
3855
3856 return cmd;
3857 }
3858
3859 /*
3860 * get a single EX address
3861 *
3862 * Set ptr to the next character after the part that was interpreted.
3863 * Set ptr to NULL when an error is encountered.
3864 *
3865 * Return MAXLNUM when no Ex address was found.
3866 */
3867 static linenr_T
3868 get_address(ptr, skip, to_other_file)
3869 char_u **ptr;
3870 int skip; /* only skip the address, don't use it */
3871 int to_other_file; /* flag: may jump to other file */
3872 {
3873 int c;
3874 int i;
3875 long n;
3876 char_u *cmd;
3877 pos_T pos;
3878 pos_T *fp;
3879 linenr_T lnum;
3880
3881 cmd = skipwhite(*ptr);
3882 lnum = MAXLNUM;
3883 do
3884 {
3885 switch (*cmd)
3886 {
3887 case '.': /* '.' - Cursor position */
3888 ++cmd;
3889 lnum = curwin->w_cursor.lnum;
3890 break;
3891
3892 case '$': /* '$' - last line */
3893 ++cmd;
3894 lnum = curbuf->b_ml.ml_line_count;
3895 break;
3896
3897 case '\'': /* ''' - mark */
3898 if (*++cmd == NUL)
3899 {
3900 cmd = NULL;
3901 goto error;
3902 }
3903 if (skip)
3904 ++cmd;
3905 else
3906 {
3907 /* Only accept a mark in another file when it is
3908 * used by itself: ":'M". */
3909 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3910 ++cmd;
3911 if (fp == (pos_T *)-1)
3912 /* Jumped to another file. */
3913 lnum = curwin->w_cursor.lnum;
3914 else
3915 {
3916 if (check_mark(fp) == FAIL)
3917 {
3918 cmd = NULL;
3919 goto error;
3920 }
3921 lnum = fp->lnum;
3922 }
3923 }
3924 break;
3925
3926 case '/':
3927 case '?': /* '/' or '?' - search */
3928 c = *cmd++;
3929 if (skip) /* skip "/pat/" */
3930 {
3931 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3932 if (*cmd == c)
3933 ++cmd;
3934 }
3935 else
3936 {
3937 pos = curwin->w_cursor; /* save curwin->w_cursor */
3938 /*
3939 * When '/' or '?' follows another address, start
3940 * from there.
3941 */
3942 if (lnum != MAXLNUM)
3943 curwin->w_cursor.lnum = lnum;
3944 /*
3945 * Start a forward search at the end of the line.
3946 * Start a backward search at the start of the line.
3947 * This makes sure we never match in the current
3948 * line, and can match anywhere in the
3949 * next/previous line.
3950 */
3951 if (c == '/')
3952 curwin->w_cursor.col = MAXCOL;
3953 else
3954 curwin->w_cursor.col = 0;
3955 searchcmdlen = 0;
3956 if (!do_search(NULL, c, cmd, 1L,
3957 SEARCH_HIS | SEARCH_MSG, NULL))
3958 {
3959 curwin->w_cursor = pos;
3960 cmd = NULL;
3961 goto error;
3962 }
3963 lnum = curwin->w_cursor.lnum;
3964 curwin->w_cursor = pos;
3965 /* adjust command string pointer */
3966 cmd += searchcmdlen;
3967 }
3968 break;
3969
3970 case '\\': /* "\?", "\/" or "\&", repeat search */
3971 ++cmd;
3972 if (*cmd == '&')
3973 i = RE_SUBST;
3974 else if (*cmd == '?' || *cmd == '/')
3975 i = RE_SEARCH;
3976 else
3977 {
3978 EMSG(_(e_backslash));
3979 cmd = NULL;
3980 goto error;
3981 }
3982
3983 if (!skip)
3984 {
3985 /*
3986 * When search follows another address, start from
3987 * there.
3988 */
3989 if (lnum != MAXLNUM)
3990 pos.lnum = lnum;
3991 else
3992 pos.lnum = curwin->w_cursor.lnum;
3993
3994 /*
3995 * Start the search just like for the above
3996 * do_search().
3997 */
3998 if (*cmd != '?')
3999 pos.col = MAXCOL;
4000 else
4001 pos.col = 0;
4002 if (searchit(curwin, curbuf, &pos,
4003 *cmd == '?' ? BACKWARD : FORWARD,
4004 (char_u *)"", 1L, SEARCH_MSG,
4005 i, (linenr_T)0, NULL) != FAIL)
4006 lnum = pos.lnum;
4007 else
4008 {
4009 cmd = NULL;
4010 goto error;
4011 }
4012 }
4013 ++cmd;
4014 break;
4015
4016 default:
4017 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4018 lnum = getdigits(&cmd);
4019 }
4020
4021 for (;;)
4022 {
4023 cmd = skipwhite(cmd);
4024 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4025 break;
4026
4027 if (lnum == MAXLNUM)
4028 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4029 if (VIM_ISDIGIT(*cmd))
4030 i = '+'; /* "number" is same as "+number" */
4031 else
4032 i = *cmd++;
4033 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4034 n = 1;
4035 else
4036 n = getdigits(&cmd);
4037 if (i == '-')
4038 lnum -= n;
4039 else
4040 lnum += n;
4041 }
4042 } while (*cmd == '/' || *cmd == '?');
4043
4044 error:
4045 *ptr = cmd;
4046 return lnum;
4047 }
4048
4049 /*
4050 * Get flags from an Ex command argument.
4051 */
4052 static void
4053 get_flags(eap)
4054 exarg_T *eap;
4055 {
4056 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4057 {
4058 if (*eap->arg == 'l')
4059 eap->flags |= EXFLAG_LIST;
4060 else if (*eap->arg == 'p')
4061 eap->flags |= EXFLAG_PRINT;
4062 else
4063 eap->flags |= EXFLAG_NR;
4064 eap->arg = skipwhite(eap->arg + 1);
4065 }
4066 }
4067
4068 /*
4069 * Function called for command which is Not Implemented. NI!
4070 */
4071 void
4072 ex_ni(eap)
4073 exarg_T *eap;
4074 {
4075 if (!eap->skip)
4076 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4077 }
4078
4079 #ifdef HAVE_EX_SCRIPT_NI
4080 /*
4081 * Function called for script command which is Not Implemented. NI!
4082 * Skips over ":perl <<EOF" constructs.
4083 */
4084 static void
4085 ex_script_ni(eap)
4086 exarg_T *eap;
4087 {
4088 if (!eap->skip)
4089 ex_ni(eap);
4090 else
4091 vim_free(script_get(eap, eap->arg));
4092 }
4093 #endif
4094
4095 /*
4096 * Check range in Ex command for validity.
4097 * Return NULL when valid, error message when invalid.
4098 */
4099 static char_u *
4100 invalid_range(eap)
4101 exarg_T *eap;
4102 {
4103 if ( eap->line1 < 0
4104 || eap->line2 < 0
4105 || eap->line1 > eap->line2
4106 || ((eap->argt & RANGE)
4107 && !(eap->argt & NOTADR)
4108 && eap->line2 > curbuf->b_ml.ml_line_count
4109 #ifdef FEAT_DIFF
4110 + (eap->cmdidx == CMD_diffget)
4111 #endif
4112 ))
4113 return (char_u *)_(e_invrange);
4114 return NULL;
4115 }
4116
4117 /*
4118 * Correct the range for zero line number, if required.
4119 */
4120 static void
4121 correct_range(eap)
4122 exarg_T *eap;
4123 {
4124 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4125 {
4126 if (eap->line1 == 0)
4127 eap->line1 = 1;
4128 if (eap->line2 == 0)
4129 eap->line2 = 1;
4130 }
4131 }
4132
4133 #ifdef FEAT_QUICKFIX
4134 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4135
4136 /*
4137 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4138 * pattern. Otherwise return eap->arg.
4139 */
4140 static char_u *
4141 skip_grep_pat(eap)
4142 exarg_T *eap;
4143 {
4144 char_u *p = eap->arg;
4145
4146 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4147 || eap->cmdidx == CMD_vimgrepadd
4148 || eap->cmdidx == CMD_lvimgrepadd
4149 || grep_internal(eap->cmdidx)))
4150 {
4151 p = skip_vimgrep_pat(p, NULL, NULL);
4152 if (p == NULL)
4153 p = eap->arg;
4154 }
4155 return p;
4156 }
4157
4158 /*
4159 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4160 * in the command line, so that things like % get expanded.
4161 */
4162 static char_u *
4163 replace_makeprg(eap, p, cmdlinep)
4164 exarg_T *eap;
4165 char_u *p;
4166 char_u **cmdlinep;
4167 {
4168 char_u *new_cmdline;
4169 char_u *program;
4170 char_u *pos;
4171 char_u *ptr;
4172 int len;
4173 int i;
4174
4175 /*
4176 * Don't do it when ":vimgrep" is used for ":grep".
4177 */
4178 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4179 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4180 || eap->cmdidx == CMD_grepadd
4181 || eap->cmdidx == CMD_lgrepadd)
4182 && !grep_internal(eap->cmdidx))
4183 {
4184 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4185 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4186 {
4187 if (*curbuf->b_p_gp == NUL)
4188 program = p_gp;
4189 else
4190 program = curbuf->b_p_gp;
4191 }
4192 else
4193 {
4194 if (*curbuf->b_p_mp == NUL)
4195 program = p_mp;
4196 else
4197 program = curbuf->b_p_mp;
4198 }
4199
4200 p = skipwhite(p);
4201
4202 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4203 {
4204 /* replace $* by given arguments */
4205 i = 1;
4206 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4207 ++i;
4208 len = (int)STRLEN(p);
4209 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4210 if (new_cmdline == NULL)
4211 return NULL; /* out of memory */
4212 ptr = new_cmdline;
4213 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4214 {
4215 i = (int)(pos - program);
4216 STRNCPY(ptr, program, i);
4217 STRCPY(ptr += i, p);
4218 ptr += len;
4219 program = pos + 2;
4220 }
4221 STRCPY(ptr, program);
4222 }
4223 else
4224 {
4225 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4226 if (new_cmdline == NULL)
4227 return NULL; /* out of memory */
4228 STRCPY(new_cmdline, program);
4229 STRCAT(new_cmdline, " ");
4230 STRCAT(new_cmdline, p);
4231 }
4232 msg_make(p);
4233
4234 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4235 vim_free(*cmdlinep);
4236 *cmdlinep = new_cmdline;
4237 p = new_cmdline;
4238 }
4239 return p;
4240 }
4241 #endif
4242
4243 /*
4244 * Expand file name in Ex command argument.
4245 * Return FAIL for failure, OK otherwise.
4246 */
4247 int
4248 expand_filename(eap, cmdlinep, errormsgp)
4249 exarg_T *eap;
4250 char_u **cmdlinep;
4251 char_u **errormsgp;
4252 {
4253 int has_wildcards; /* need to expand wildcards */
4254 char_u *repl;
4255 int srclen;
4256 char_u *p;
4257 int n;
4258 int escaped;
4259
4260 #ifdef FEAT_QUICKFIX
4261 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4262 p = skip_grep_pat(eap);
4263 #else
4264 p = eap->arg;
4265 #endif
4266
4267 /*
4268 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4269 * the file name contains a wildcard it should not cause expanding.
4270 * (it will be expanded anyway if there is a wildcard before replacing).
4271 */
4272 has_wildcards = mch_has_wildcard(p);
4273 while (*p != NUL)
4274 {
4275 #ifdef FEAT_EVAL
4276 /* Skip over `=expr`, wildcards in it are not expanded. */
4277 if (p[0] == '`' && p[1] == '=')
4278 {
4279 p += 2;
4280 (void)skip_expr(&p);
4281 if (*p == '`')
4282 ++p;
4283 continue;
4284 }
4285 #endif
4286 /*
4287 * Quick check if this cannot be the start of a special string.
4288 * Also removes backslash before '%', '#' and '<'.
4289 */
4290 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4291 {
4292 ++p;
4293 continue;
4294 }
4295
4296 /*
4297 * Try to find a match at this position.
4298 */
4299 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4300 errormsgp, &escaped);
4301 if (*errormsgp != NULL) /* error detected */
4302 return FAIL;
4303 if (repl == NULL) /* no match found */
4304 {
4305 p += srclen;
4306 continue;
4307 }
4308
4309 /* Wildcards won't be expanded below, the replacement is taken
4310 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4311 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4312 {
4313 char_u *l = repl;
4314
4315 repl = expand_env_save(repl);
4316 vim_free(l);
4317 }
4318
4319 /* Need to escape white space et al. with a backslash.
4320 * Don't do this for:
4321 * - replacement that already has been escaped: "##"
4322 * - shell commands (may have to use quotes instead).
4323 * - non-unix systems when there is a single argument (spaces don't
4324 * separate arguments then).
4325 */
4326 if (!eap->usefilter
4327 && !escaped
4328 && eap->cmdidx != CMD_bang
4329 && eap->cmdidx != CMD_make
4330 && eap->cmdidx != CMD_lmake
4331 && eap->cmdidx != CMD_grep
4332 && eap->cmdidx != CMD_lgrep
4333 && eap->cmdidx != CMD_grepadd
4334 && eap->cmdidx != CMD_lgrepadd
4335 #ifndef UNIX
4336 && !(eap->argt & NOSPC)
4337 #endif
4338 )
4339 {
4340 char_u *l;
4341 #ifdef BACKSLASH_IN_FILENAME
4342 /* Don't escape a backslash here, because rem_backslash() doesn't
4343 * remove it later. */
4344 static char_u *nobslash = (char_u *)" \t\"|";
4345 # define ESCAPE_CHARS nobslash
4346 #else
4347 # define ESCAPE_CHARS escape_chars
4348 #endif
4349
4350 for (l = repl; *l; ++l)
4351 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4352 {
4353 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4354 if (l != NULL)
4355 {
4356 vim_free(repl);
4357 repl = l;
4358 }
4359 break;
4360 }
4361 }
4362
4363 /* For a shell command a '!' must be escaped. */
4364 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4365 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4366 {
4367 char_u *l;
4368
4369 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4370 if (l != NULL)
4371 {
4372 vim_free(repl);
4373 repl = l;
4374 /* For a sh-like shell escape "!" another time. */
4375 if (strstr((char *)p_sh, "sh") != NULL)
4376 {
4377 l = vim_strsave_escaped(repl, (char_u *)"!");
4378 if (l != NULL)
4379 {
4380 vim_free(repl);
4381 repl = l;
4382 }
4383 }
4384 }
4385 }
4386
4387 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4388 vim_free(repl);
4389 if (p == NULL)
4390 return FAIL;
4391 }
4392
4393 /*
4394 * One file argument: Expand wildcards.
4395 * Don't do this with ":r !command" or ":w !command".
4396 */
4397 if ((eap->argt & NOSPC) && !eap->usefilter)
4398 {
4399 /*
4400 * May do this twice:
4401 * 1. Replace environment variables.
4402 * 2. Replace any other wildcards, remove backslashes.
4403 */
4404 for (n = 1; n <= 2; ++n)
4405 {
4406 if (n == 2)
4407 {
4408 #ifdef UNIX
4409 /*
4410 * Only for Unix we check for more than one file name.
4411 * For other systems spaces are considered to be part
4412 * of the file name.
4413 * Only check here if there is no wildcard, otherwise
4414 * ExpandOne() will check for errors. This allows
4415 * ":e `ls ve*.c`" on Unix.
4416 */
4417 if (!has_wildcards)
4418 for (p = eap->arg; *p; ++p)
4419 {
4420 /* skip escaped characters */
4421 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4422 ++p;
4423 else if (vim_iswhite(*p))
4424 {
4425 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4426 return FAIL;
4427 }
4428 }
4429 #endif
4430
4431 /*
4432 * Halve the number of backslashes (this is Vi compatible).
4433 * For Unix and OS/2, when wildcards are expanded, this is
4434 * done by ExpandOne() below.
4435 */
4436 #if defined(UNIX) || defined(OS2)
4437 if (!has_wildcards)
4438 #endif
4439 backslash_halve(eap->arg);
4440 }
4441
4442 if (has_wildcards)
4443 {
4444 if (n == 1)
4445 {
4446 /*
4447 * First loop: May expand environment variables. This
4448 * can be done much faster with expand_env() than with
4449 * something else (e.g., calling a shell).
4450 * After expanding environment variables, check again
4451 * if there are still wildcards present.
4452 */
4453 if (vim_strchr(eap->arg, '$') != NULL
4454 || vim_strchr(eap->arg, '~') != NULL)
4455 {
4456 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4457 TRUE, TRUE, NULL);
4458 has_wildcards = mch_has_wildcard(NameBuff);
4459 p = NameBuff;
4460 }
4461 else
4462 p = NULL;
4463 }
4464 else /* n == 2 */
4465 {
4466 expand_T xpc;
4467
4468 ExpandInit(&xpc);
4469 xpc.xp_context = EXPAND_FILES;
4470 p = ExpandOne(&xpc, eap->arg, NULL,
4471 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4472 WILD_EXPAND_FREE);
4473 if (p == NULL)
4474 return FAIL;
4475 }
4476 if (p != NULL)
4477 {
4478 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4479 p, cmdlinep);
4480 if (n == 2) /* p came from ExpandOne() */
4481 vim_free(p);
4482 }
4483 }
4484 }
4485 }
4486 return OK;
4487 }
4488
4489 /*
4490 * Replace part of the command line, keeping eap->cmd, eap->arg and
4491 * eap->nextcmd correct.
4492 * "src" points to the part that is to be replaced, of length "srclen".
4493 * "repl" is the replacement string.
4494 * Returns a pointer to the character after the replaced string.
4495 * Returns NULL for failure.
4496 */
4497 static char_u *
4498 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4499 exarg_T *eap;
4500 char_u *src;
4501 int srclen;
4502 char_u *repl;
4503 char_u **cmdlinep;
4504 {
4505 int len;
4506 int i;
4507 char_u *new_cmdline;
4508
4509 /*
4510 * The new command line is build in new_cmdline[].
4511 * First allocate it.
4512 * Careful: a "+cmd" argument may have been NUL terminated.
4513 */
4514 len = (int)STRLEN(repl);
4515 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4516 if (eap->nextcmd != NULL)
4517 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4518 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4519 return NULL; /* out of memory! */
4520
4521 /*
4522 * Copy the stuff before the expanded part.
4523 * Copy the expanded stuff.
4524 * Copy what came after the expanded part.
4525 * Copy the next commands, if there are any.
4526 */
4527 i = (int)(src - *cmdlinep); /* length of part before match */
4528 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4529
4530 mch_memmove(new_cmdline + i, repl, (size_t)len);
4531 i += len; /* remember the end of the string */
4532 STRCPY(new_cmdline + i, src + srclen);
4533 src = new_cmdline + i; /* remember where to continue */
4534
4535 if (eap->nextcmd != NULL) /* append next command */
4536 {
4537 i = (int)STRLEN(new_cmdline) + 1;
4538 STRCPY(new_cmdline + i, eap->nextcmd);
4539 eap->nextcmd = new_cmdline + i;
4540 }
4541 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4542 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4543 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4544 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4545 vim_free(*cmdlinep);
4546 *cmdlinep = new_cmdline;
4547
4548 return src;
4549 }
4550
4551 /*
4552 * Check for '|' to separate commands and '"' to start comments.
4553 */
4554 void
4555 separate_nextcmd(eap)
4556 exarg_T *eap;
4557 {
4558 char_u *p;
4559
4560 #ifdef FEAT_QUICKFIX
4561 p = skip_grep_pat(eap);
4562 #else
4563 p = eap->arg;
4564 #endif
4565
4566 for ( ; *p; mb_ptr_adv(p))
4567 {
4568 if (*p == Ctrl_V)
4569 {
4570 if (eap->argt & (USECTRLV | XFILE))
4571 ++p; /* skip CTRL-V and next char */
4572 else
4573 /* remove CTRL-V and skip next char */
4574 STRMOVE(p, p + 1);
4575 if (*p == NUL) /* stop at NUL after CTRL-V */
4576 break;
4577 }
4578
4579 #ifdef FEAT_EVAL
4580 /* Skip over `=expr` when wildcards are expanded. */
4581 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4582 {
4583 p += 2;
4584 (void)skip_expr(&p);
4585 }
4586 #endif
4587
4588 /* Check for '"': start of comment or '|': next command */
4589 /* :@" and :*" do not start a comment!
4590 * :redir @" doesn't either. */
4591 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4592 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4593 || p != eap->arg)
4594 && (eap->cmdidx != CMD_redir
4595 || p != eap->arg + 1 || p[-1] != '@'))
4596 || *p == '|' || *p == '\n')
4597 {
4598 /*
4599 * We remove the '\' before the '|', unless USECTRLV is used
4600 * AND 'b' is present in 'cpoptions'.
4601 */
4602 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4603 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4604 {
4605 STRMOVE(p - 1, p); /* remove the '\' */
4606 --p;
4607 }
4608 else
4609 {
4610 eap->nextcmd = check_nextcmd(p);
4611 *p = NUL;
4612 break;
4613 }
4614 }
4615 }
4616
4617 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4618 del_trailing_spaces(eap->arg);
4619 }
4620
4621 /*
4622 * get + command from ex argument
4623 */
4624 static char_u *
4625 getargcmd(argp)
4626 char_u **argp;
4627 {
4628 char_u *arg = *argp;
4629 char_u *command = NULL;
4630
4631 if (*arg == '+') /* +[command] */
4632 {
4633 ++arg;
4634 if (vim_isspace(*arg))
4635 command = dollar_command;
4636 else
4637 {
4638 command = arg;
4639 arg = skip_cmd_arg(command, TRUE);
4640 if (*arg != NUL)
4641 *arg++ = NUL; /* terminate command with NUL */
4642 }
4643
4644 arg = skipwhite(arg); /* skip over spaces */
4645 *argp = arg;
4646 }
4647 return command;
4648 }
4649
4650 /*
4651 * Find end of "+command" argument. Skip over "\ " and "\\".
4652 */
4653 static char_u *
4654 skip_cmd_arg(p, rembs)
4655 char_u *p;
4656 int rembs; /* TRUE to halve the number of backslashes */
4657 {
4658 while (*p && !vim_isspace(*p))
4659 {
4660 if (*p == '\\' && p[1] != NUL)
4661 {
4662 if (rembs)
4663 STRMOVE(p, p + 1);
4664 else
4665 ++p;
4666 }
4667 mb_ptr_adv(p);
4668 }
4669 return p;
4670 }
4671
4672 /*
4673 * Get "++opt=arg" argument.
4674 * Return FAIL or OK.
4675 */
4676 static int
4677 getargopt(eap)
4678 exarg_T *eap;
4679 {
4680 char_u *arg = eap->arg + 2;
4681 int *pp = NULL;
4682 #ifdef FEAT_MBYTE
4683 char_u *p;
4684 #endif
4685
4686 /* ":edit ++[no]bin[ary] file" */
4687 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4688 {
4689 if (*arg == 'n')
4690 {
4691 arg += 2;
4692 eap->force_bin = FORCE_NOBIN;
4693 }
4694 else
4695 eap->force_bin = FORCE_BIN;
4696 if (!checkforcmd(&arg, "binary", 3))
4697 return FAIL;
4698 eap->arg = skipwhite(arg);
4699 return OK;
4700 }
4701
4702 /* ":read ++edit file" */
4703 if (STRNCMP(arg, "edit", 4) == 0)
4704 {
4705 eap->read_edit = TRUE;
4706 eap->arg = skipwhite(arg + 4);
4707 return OK;
4708 }
4709
4710 if (STRNCMP(arg, "ff", 2) == 0)
4711 {
4712 arg += 2;
4713 pp = &eap->force_ff;
4714 }
4715 else if (STRNCMP(arg, "fileformat", 10) == 0)
4716 {
4717 arg += 10;
4718 pp = &eap->force_ff;
4719 }
4720 #ifdef FEAT_MBYTE
4721 else if (STRNCMP(arg, "enc", 3) == 0)
4722 {
4723 arg += 3;
4724 pp = &eap->force_enc;
4725 }
4726 else if (STRNCMP(arg, "encoding", 8) == 0)
4727 {
4728 arg += 8;
4729 pp = &eap->force_enc;
4730 }
4731 else if (STRNCMP(arg, "bad", 3) == 0)
4732 {
4733 arg += 3;
4734 pp = &eap->bad_char;
4735 }
4736 #endif
4737
4738 if (pp == NULL || *arg != '=')
4739 return FAIL;
4740
4741 ++arg;
4742 *pp = (int)(arg - eap->cmd);
4743 arg = skip_cmd_arg(arg, FALSE);
4744 eap->arg = skipwhite(arg);
4745 *arg = NUL;
4746
4747 #ifdef FEAT_MBYTE
4748 if (pp == &eap->force_ff)
4749 {
4750 #endif
4751 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4752 return FAIL;
4753 #ifdef FEAT_MBYTE
4754 }
4755 else if (pp == &eap->force_enc)
4756 {
4757 /* Make 'fileencoding' lower case. */
4758 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4759 *p = TOLOWER_ASC(*p);
4760 }
4761 else
4762 {
4763 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4764 * "drop". */
4765 p = eap->cmd + eap->bad_char;
4766 if (STRICMP(p, "keep") == 0)
4767 eap->bad_char = BAD_KEEP;
4768 else if (STRICMP(p, "drop") == 0)
4769 eap->bad_char = BAD_DROP;
4770 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4771 eap->bad_char = *p;
4772 else
4773 return FAIL;
4774 }
4775 #endif
4776
4777 return OK;
4778 }
4779
4780 /*
4781 * ":abbreviate" and friends.
4782 */
4783 static void
4784 ex_abbreviate(eap)
4785 exarg_T *eap;
4786 {
4787 do_exmap(eap, TRUE); /* almost the same as mapping */
4788 }
4789
4790 /*
4791 * ":map" and friends.
4792 */
4793 static void
4794 ex_map(eap)
4795 exarg_T *eap;
4796 {
4797 /*
4798 * If we are sourcing .exrc or .vimrc in current directory we
4799 * print the mappings for security reasons.
4800 */
4801 if (secure)
4802 {
4803 secure = 2;
4804 msg_outtrans(eap->cmd);
4805 msg_putchar('\n');
4806 }
4807 do_exmap(eap, FALSE);
4808 }
4809
4810 /*
4811 * ":unmap" and friends.
4812 */
4813 static void
4814 ex_unmap(eap)
4815 exarg_T *eap;
4816 {
4817 do_exmap(eap, FALSE);
4818 }
4819
4820 /*
4821 * ":mapclear" and friends.
4822 */
4823 static void
4824 ex_mapclear(eap)
4825 exarg_T *eap;
4826 {
4827 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4828 }
4829
4830 /*
4831 * ":abclear" and friends.
4832 */
4833 static void
4834 ex_abclear(eap)
4835 exarg_T *eap;
4836 {
4837 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4838 }
4839
4840 #ifdef FEAT_AUTOCMD
4841 static void
4842 ex_autocmd(eap)
4843 exarg_T *eap;
4844 {
4845 /*
4846 * Disallow auto commands from .exrc and .vimrc in current
4847 * directory for security reasons.
4848 */
4849 if (secure)
4850 {
4851 secure = 2;
4852 eap->errmsg = e_curdir;
4853 }
4854 else if (eap->cmdidx == CMD_autocmd)
4855 do_autocmd(eap->arg, eap->forceit);
4856 else
4857 do_augroup(eap->arg, eap->forceit);
4858 }
4859
4860 /*
4861 * ":doautocmd": Apply the automatic commands to the current buffer.
4862 */
4863 static void
4864 ex_doautocmd(eap)
4865 exarg_T *eap;
4866 {
4867 (void)do_doautocmd(eap->arg, TRUE);
4868 do_modelines(0);
4869 }
4870 #endif
4871
4872 #ifdef FEAT_LISTCMDS
4873 /*
4874 * :[N]bunload[!] [N] [bufname] unload buffer
4875 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4876 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4877 */
4878 static void
4879 ex_bunload(eap)
4880 exarg_T *eap;
4881 {
4882 eap->errmsg = do_bufdel(
4883 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4884 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4885 : DOBUF_UNLOAD, eap->arg,
4886 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4887 }
4888
4889 /*
4890 * :[N]buffer [N] to buffer N
4891 * :[N]sbuffer [N] to buffer N
4892 */
4893 static void
4894 ex_buffer(eap)
4895 exarg_T *eap;
4896 {
4897 if (*eap->arg)
4898 eap->errmsg = e_trailing;
4899 else
4900 {
4901 if (eap->addr_count == 0) /* default is current buffer */
4902 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4903 else
4904 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4905 }
4906 }
4907
4908 /*
4909 * :[N]bmodified [N] to next mod. buffer
4910 * :[N]sbmodified [N] to next mod. buffer
4911 */
4912 static void
4913 ex_bmodified(eap)
4914 exarg_T *eap;
4915 {
4916 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4917 }
4918
4919 /*
4920 * :[N]bnext [N] to next buffer
4921 * :[N]sbnext [N] split and to next buffer
4922 */
4923 static void
4924 ex_bnext(eap)
4925 exarg_T *eap;
4926 {
4927 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4928 }
4929
4930 /*
4931 * :[N]bNext [N] to previous buffer
4932 * :[N]bprevious [N] to previous buffer
4933 * :[N]sbNext [N] split and to previous buffer
4934 * :[N]sbprevious [N] split and to previous buffer
4935 */
4936 static void
4937 ex_bprevious(eap)
4938 exarg_T *eap;
4939 {
4940 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4941 }
4942
4943 /*
4944 * :brewind to first buffer
4945 * :bfirst to first buffer
4946 * :sbrewind split and to first buffer
4947 * :sbfirst split and to first buffer
4948 */
4949 static void
4950 ex_brewind(eap)
4951 exarg_T *eap;
4952 {
4953 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4954 }
4955
4956 /*
4957 * :blast to last buffer
4958 * :sblast split and to last buffer
4959 */
4960 static void
4961 ex_blast(eap)
4962 exarg_T *eap;
4963 {
4964 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4965 }
4966 #endif
4967
4968 int
4969 ends_excmd(c)
4970 int c;
4971 {
4972 return (c == NUL || c == '|' || c == '"' || c == '\n');
4973 }
4974
4975 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4976 || defined(PROTO)
4977 /*
4978 * Return the next command, after the first '|' or '\n'.
4979 * Return NULL if not found.
4980 */
4981 char_u *
4982 find_nextcmd(p)
4983 char_u *p;
4984 {
4985 while (*p != '|' && *p != '\n')
4986 {
4987 if (*p == NUL)
4988 return NULL;
4989 ++p;
4990 }
4991 return (p + 1);
4992 }
4993 #endif
4994
4995 /*
4996 * Check if *p is a separator between Ex commands.
4997 * Return NULL if it isn't, (p + 1) if it is.
4998 */
4999 char_u *
5000 check_nextcmd(p)
5001 char_u *p;
5002 {
5003 p = skipwhite(p);
5004 if (*p == '|' || *p == '\n')
5005 return (p + 1);
5006 else
5007 return NULL;
5008 }
5009
5010 /*
5011 * - if there are more files to edit
5012 * - and this is the last window
5013 * - and forceit not used
5014 * - and not repeated twice on a row
5015 * return FAIL and give error message if 'message' TRUE
5016 * return OK otherwise
5017 */
5018 static int
5019 check_more(message, forceit)
5020 int message; /* when FALSE check only, no messages */
5021 int forceit;
5022 {
5023 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5024
5025 if (!forceit && only_one_window()
5026 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5027 {
5028 if (message)
5029 {
5030 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5031 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5032 {
5033 char_u buff[IOSIZE];
5034
5035 if (n == 1)
5036 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5037 else
5038 vim_snprintf((char *)buff, IOSIZE,
5039 _("%d more files to edit. Quit anyway?"), n);
5040 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5041 return OK;
5042 return FAIL;
5043 }
5044 #endif
5045 if (n == 1)
5046 EMSG(_("E173: 1 more file to edit"));
5047 else
5048 EMSGN(_("E173: %ld more files to edit"), n);
5049 quitmore = 2; /* next try to quit is allowed */
5050 }
5051 return FAIL;
5052 }
5053 return OK;
5054 }
5055
5056 #ifdef FEAT_CMDL_COMPL
5057 /*
5058 * Function given to ExpandGeneric() to obtain the list of command names.
5059 */
5060 char_u *
5061 get_command_name(xp, idx)
5062 expand_T *xp UNUSED;
5063 int idx;
5064 {
5065 if (idx >= (int)CMD_SIZE)
5066 # ifdef FEAT_USR_CMDS
5067 return get_user_command_name(idx);
5068 # else
5069 return NULL;
5070 # endif
5071 return cmdnames[idx].cmd_name;
5072 }
5073 #endif
5074
5075 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5076 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));
5077 static void uc_list __ARGS((char_u *name, size_t name_len));
5078 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5079 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5080 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));
5081
5082 static int
5083 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5084 char_u *name;
5085 size_t name_len;
5086 char_u *rep;
5087 long argt;
5088 long def;
5089 int flags;
5090 int compl;
5091 char_u *compl_arg;
5092 int force;
5093 {
5094 ucmd_T *cmd = NULL;
5095 char_u *p;
5096 int i;
5097 int cmp = 1;
5098 char_u *rep_buf = NULL;
5099 garray_T *gap;
5100
5101 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5102 if (rep_buf == NULL)
5103 {
5104 /* Can't replace termcodes - try using the string as is */
5105 rep_buf = vim_strsave(rep);
5106
5107 /* Give up if out of memory */
5108 if (rep_buf == NULL)
5109 return FAIL;
5110 }
5111
5112 /* get address of growarray: global or in curbuf */
5113 if (flags & UC_BUFFER)
5114 {
5115 gap = &curbuf->b_ucmds;
5116 if (gap->ga_itemsize == 0)
5117 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5118 }
5119 else
5120 gap = &ucmds;
5121
5122 /* Search for the command in the already defined commands. */
5123 for (i = 0; i < gap->ga_len; ++i)
5124 {
5125 size_t len;
5126
5127 cmd = USER_CMD_GA(gap, i);
5128 len = STRLEN(cmd->uc_name);
5129 cmp = STRNCMP(name, cmd->uc_name, name_len);
5130 if (cmp == 0)
5131 {
5132 if (name_len < len)
5133 cmp = -1;
5134 else if (name_len > len)
5135 cmp = 1;
5136 }
5137
5138 if (cmp == 0)
5139 {
5140 if (!force)
5141 {
5142 EMSG(_("E174: Command already exists: add ! to replace it"));
5143 goto fail;
5144 }
5145
5146 vim_free(cmd->uc_rep);
5147 cmd->uc_rep = NULL;
5148 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5149 vim_free(cmd->uc_compl_arg);
5150 cmd->uc_compl_arg = NULL;
5151 #endif
5152 break;
5153 }
5154
5155 /* Stop as soon as we pass the name to add */
5156 if (cmp < 0)
5157 break;
5158 }
5159
5160 /* Extend the array unless we're replacing an existing command */
5161 if (cmp != 0)
5162 {
5163 if (ga_grow(gap, 1) != OK)
5164 goto fail;
5165 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5166 goto fail;
5167
5168 cmd = USER_CMD_GA(gap, i);
5169 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5170
5171 ++gap->ga_len;
5172
5173 cmd->uc_name = p;
5174 }
5175
5176 cmd->uc_rep = rep_buf;
5177 cmd->uc_argt = argt;
5178 cmd->uc_def = def;
5179 cmd->uc_compl = compl;
5180 #ifdef FEAT_EVAL
5181 cmd->uc_scriptID = current_SID;
5182 # ifdef FEAT_CMDL_COMPL
5183 cmd->uc_compl_arg = compl_arg;
5184 # endif
5185 #endif
5186
5187 return OK;
5188
5189 fail:
5190 vim_free(rep_buf);
5191 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5192 vim_free(compl_arg);
5193 #endif
5194 return FAIL;
5195 }
5196
5197 /*
5198 * List of names for completion for ":command" with the EXPAND_ flag.
5199 * Must be alphabetical for completion.
5200 */
5201 static struct
5202 {
5203 int expand;
5204 char *name;
5205 } command_complete[] =
5206 {
5207 {EXPAND_AUGROUP, "augroup"},
5208 {EXPAND_BUFFERS, "buffer"},
5209 {EXPAND_COMMANDS, "command"},
5210 #if defined(FEAT_CSCOPE)
5211 {EXPAND_CSCOPE, "cscope"},
5212 #endif
5213 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5214 {EXPAND_USER_DEFINED, "custom"},
5215 {EXPAND_USER_LIST, "customlist"},
5216 #endif
5217 {EXPAND_DIRECTORIES, "dir"},
5218 {EXPAND_ENV_VARS, "environment"},
5219 {EXPAND_EVENTS, "event"},
5220 {EXPAND_EXPRESSION, "expression"},
5221 {EXPAND_FILES, "file"},
5222 {EXPAND_FUNCTIONS, "function"},
5223 {EXPAND_HELP, "help"},
5224 {EXPAND_HIGHLIGHT, "highlight"},
5225 {EXPAND_MAPPINGS, "mapping"},
5226 {EXPAND_MENUS, "menu"},
5227 {EXPAND_SETTINGS, "option"},
5228 {EXPAND_SHELLCMD, "shellcmd"},
5229 #if defined(FEAT_SIGNS)
5230 {EXPAND_SIGN, "sign"},
5231 #endif
5232 {EXPAND_TAGS, "tag"},
5233 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5234 {EXPAND_USER_VARS, "var"},
5235 {0, NULL}
5236 };
5237
5238 static void
5239 uc_list(name, name_len)
5240 char_u *name;
5241 size_t name_len;
5242 {
5243 int i, j;
5244 int found = FALSE;
5245 ucmd_T *cmd;
5246 int len;
5247 long a;
5248 garray_T *gap;
5249
5250 gap = &curbuf->b_ucmds;
5251 for (;;)
5252 {
5253 for (i = 0; i < gap->ga_len; ++i)
5254 {
5255 cmd = USER_CMD_GA(gap, i);
5256 a = (long)cmd->uc_argt;
5257
5258 /* Skip commands which don't match the requested prefix */
5259 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5260 continue;
5261
5262 /* Put out the title first time */
5263 if (!found)
5264 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5265 found = TRUE;
5266 msg_putchar('\n');
5267 if (got_int)
5268 break;
5269
5270 /* Special cases */
5271 msg_putchar(a & BANG ? '!' : ' ');
5272 msg_putchar(a & REGSTR ? '"' : ' ');
5273 msg_putchar(gap != &ucmds ? 'b' : ' ');
5274 msg_putchar(' ');
5275
5276 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5277 len = (int)STRLEN(cmd->uc_name) + 4;
5278
5279 do {
5280 msg_putchar(' ');
5281 ++len;
5282 } while (len < 16);
5283
5284 len = 0;
5285
5286 /* Arguments */
5287 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5288 {
5289 case 0: IObuff[len++] = '0'; break;
5290 case (EXTRA): IObuff[len++] = '*'; break;
5291 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5292 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5293 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5294 }
5295
5296 do {
5297 IObuff[len++] = ' ';
5298 } while (len < 5);
5299
5300 /* Range */
5301 if (a & (RANGE|COUNT))
5302 {
5303 if (a & COUNT)
5304 {
5305 /* -count=N */
5306 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5307 len += (int)STRLEN(IObuff + len);
5308 }
5309 else if (a & DFLALL)
5310 IObuff[len++] = '%';
5311 else if (cmd->uc_def >= 0)
5312 {
5313 /* -range=N */
5314 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5315 len += (int)STRLEN(IObuff + len);
5316 }
5317 else
5318 IObuff[len++] = '.';
5319 }
5320
5321 do {
5322 IObuff[len++] = ' ';
5323 } while (len < 11);
5324
5325 /* Completion */
5326 for (j = 0; command_complete[j].expand != 0; ++j)
5327 if (command_complete[j].expand == cmd->uc_compl)
5328 {
5329 STRCPY(IObuff + len, command_complete[j].name);
5330 len += (int)STRLEN(IObuff + len);
5331 break;
5332 }
5333
5334 do {
5335 IObuff[len++] = ' ';
5336 } while (len < 21);
5337
5338 IObuff[len] = '\0';
5339 msg_outtrans(IObuff);
5340
5341 msg_outtrans_special(cmd->uc_rep, FALSE);
5342 #ifdef FEAT_EVAL
5343 if (p_verbose > 0)
5344 last_set_msg(cmd->uc_scriptID);
5345 #endif
5346 out_flush();
5347 ui_breakcheck();
5348 if (got_int)
5349 break;
5350 }
5351 if (gap == &ucmds || i < gap->ga_len)
5352 break;
5353 gap = &ucmds;
5354 }
5355
5356 if (!found)
5357 MSG(_("No user-defined commands found"));
5358 }
5359
5360 static char_u *
5361 uc_fun_cmd()
5362 {
5363 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5364 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5365 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5366 0xb9, 0x7f, 0};
5367 int i;
5368
5369 for (i = 0; fcmd[i]; ++i)
5370 IObuff[i] = fcmd[i] - 0x40;
5371 IObuff[i] = 0;
5372 return IObuff;
5373 }
5374
5375 static int
5376 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5377 char_u *attr;
5378 size_t len;
5379 long *argt;
5380 long *def;
5381 int *flags;
5382 int *compl;
5383 char_u **compl_arg;
5384 {
5385 char_u *p;
5386
5387 if (len == 0)
5388 {
5389 EMSG(_("E175: No attribute specified"));
5390 return FAIL;
5391 }
5392
5393 /* First, try the simple attributes (no arguments) */
5394 if (STRNICMP(attr, "bang", len) == 0)
5395 *argt |= BANG;
5396 else if (STRNICMP(attr, "buffer", len) == 0)
5397 *flags |= UC_BUFFER;
5398 else if (STRNICMP(attr, "register", len) == 0)
5399 *argt |= REGSTR;
5400 else if (STRNICMP(attr, "bar", len) == 0)
5401 *argt |= TRLBAR;
5402 else
5403 {
5404 int i;
5405 char_u *val = NULL;
5406 size_t vallen = 0;
5407 size_t attrlen = len;
5408
5409 /* Look for the attribute name - which is the part before any '=' */
5410 for (i = 0; i < (int)len; ++i)
5411 {
5412 if (attr[i] == '=')
5413 {
5414 val = &attr[i + 1];
5415 vallen = len - i - 1;
5416 attrlen = i;
5417 break;
5418 }
5419 }
5420
5421 if (STRNICMP(attr, "nargs", attrlen) == 0)
5422 {
5423 if (vallen == 1)
5424 {
5425 if (*val == '0')
5426 /* Do nothing - this is the default */;
5427 else if (*val == '1')
5428 *argt |= (EXTRA | NOSPC | NEEDARG);
5429 else if (*val == '*')
5430 *argt |= EXTRA;
5431 else if (*val == '?')
5432 *argt |= (EXTRA | NOSPC);
5433 else if (*val == '+')
5434 *argt |= (EXTRA | NEEDARG);
5435 else
5436 goto wrong_nargs;
5437 }
5438 else
5439 {
5440 wrong_nargs:
5441 EMSG(_("E176: Invalid number of arguments"));
5442 return FAIL;
5443 }
5444 }
5445 else if (STRNICMP(attr, "range", attrlen) == 0)
5446 {
5447 *argt |= RANGE;
5448 if (vallen == 1 && *val == '%')
5449 *argt |= DFLALL;
5450 else if (val != NULL)
5451 {
5452 p = val;
5453 if (*def >= 0)
5454 {
5455 two_count:
5456 EMSG(_("E177: Count cannot be specified twice"));
5457 return FAIL;
5458 }
5459
5460 *def = getdigits(&p);
5461 *argt |= (ZEROR | NOTADR);
5462
5463 if (p != val + vallen || vallen == 0)
5464 {
5465 invalid_count:
5466 EMSG(_("E178: Invalid default value for count"));
5467 return FAIL;
5468 }
5469 }
5470 }
5471 else if (STRNICMP(attr, "count", attrlen) == 0)
5472 {
5473 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5474
5475 if (val != NULL)
5476 {
5477 p = val;
5478 if (*def >= 0)
5479 goto two_count;
5480
5481 *def = getdigits(&p);
5482
5483 if (p != val + vallen)
5484 goto invalid_count;
5485 }
5486
5487 if (*def < 0)
5488 *def = 0;
5489 }
5490 else if (STRNICMP(attr, "complete", attrlen) == 0)
5491 {
5492 if (val == NULL)
5493 {
5494 EMSG(_("E179: argument required for -complete"));
5495 return FAIL;
5496 }
5497
5498 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5499 == FAIL)
5500 return FAIL;
5501 }
5502 else
5503 {
5504 char_u ch = attr[len];
5505 attr[len] = '\0';
5506 EMSG2(_("E181: Invalid attribute: %s"), attr);
5507 attr[len] = ch;
5508 return FAIL;
5509 }
5510 }
5511
5512 return OK;
5513 }
5514
5515 /*
5516 * ":command ..."
5517 */
5518 static void
5519 ex_command(eap)
5520 exarg_T *eap;
5521 {
5522 char_u *name;
5523 char_u *end;
5524 char_u *p;
5525 long argt = 0;
5526 long def = -1;
5527 int flags = 0;
5528 int compl = EXPAND_NOTHING;
5529 char_u *compl_arg = NULL;
5530 int has_attr = (eap->arg[0] == '-');
5531
5532 p = eap->arg;
5533
5534 /* Check for attributes */
5535 while (*p == '-')
5536 {
5537 ++p;
5538 end = skiptowhite(p);
5539 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5540 == FAIL)
5541 return;
5542 p = skipwhite(end);
5543 }
5544
5545 /* Get the name (if any) and skip to the following argument */
5546 name = p;
5547 if (ASCII_ISALPHA(*p))
5548 while (ASCII_ISALNUM(*p))
5549 ++p;
5550 if (!ends_excmd(*p) && !vim_iswhite(*p))
5551 {
5552 EMSG(_("E182: Invalid command name"));
5553 return;
5554 }
5555 end = p;
5556
5557 /* If there is nothing after the name, and no attributes were specified,
5558 * we are listing commands
5559 */
5560 p = skipwhite(end);
5561 if (!has_attr && ends_excmd(*p))
5562 {
5563 uc_list(name, end - name);
5564 }
5565 else if (!ASCII_ISUPPER(*name))
5566 {
5567 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5568 return;
5569 }
5570 else
5571 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5572 eap->forceit);
5573 }
5574
5575 /*
5576 * ":comclear"
5577 * Clear all user commands, global and for current buffer.
5578 */
5579 void
5580 ex_comclear(eap)
5581 exarg_T *eap UNUSED;
5582 {
5583 uc_clear(&ucmds);
5584 uc_clear(&curbuf->b_ucmds);
5585 }
5586
5587 /*
5588 * Clear all user commands for "gap".
5589 */
5590 void
5591 uc_clear(gap)
5592 garray_T *gap;
5593 {
5594 int i;
5595 ucmd_T *cmd;
5596
5597 for (i = 0; i < gap->ga_len; ++i)
5598 {
5599 cmd = USER_CMD_GA(gap, i);
5600 vim_free(cmd->uc_name);
5601 vim_free(cmd->uc_rep);
5602 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5603 vim_free(cmd->uc_compl_arg);
5604 # endif
5605 }
5606 ga_clear(gap);
5607 }
5608
5609 static void
5610 ex_delcommand(eap)
5611 exarg_T *eap;
5612 {
5613 int i = 0;
5614 ucmd_T *cmd = NULL;
5615 int cmp = -1;
5616 garray_T *gap;
5617
5618 gap = &curbuf->b_ucmds;
5619 for (;;)
5620 {
5621 for (i = 0; i < gap->ga_len; ++i)
5622 {
5623 cmd = USER_CMD_GA(gap, i);
5624 cmp = STRCMP(eap->arg, cmd->uc_name);
5625 if (cmp <= 0)
5626 break;
5627 }
5628 if (gap == &ucmds || cmp == 0)
5629 break;
5630 gap = &ucmds;
5631 }
5632
5633 if (cmp != 0)
5634 {
5635 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5636 return;
5637 }
5638
5639 vim_free(cmd->uc_name);
5640 vim_free(cmd->uc_rep);
5641 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5642 vim_free(cmd->uc_compl_arg);
5643 # endif
5644
5645 --gap->ga_len;
5646
5647 if (i < gap->ga_len)
5648 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5649 }
5650
5651 /*
5652 * split and quote args for <f-args>
5653 */
5654 static char_u *
5655 uc_split_args(arg, lenp)
5656 char_u *arg;
5657 size_t *lenp;
5658 {
5659 char_u *buf;
5660 char_u *p;
5661 char_u *q;
5662 int len;
5663
5664 /* Precalculate length */
5665 p = arg;
5666 len = 2; /* Initial and final quotes */
5667
5668 while (*p)
5669 {
5670 if (p[0] == '\\' && p[1] == '\\')
5671 {
5672 len += 2;
5673 p += 2;
5674 }
5675 else if (p[0] == '\\' && vim_iswhite(p[1]))
5676 {
5677 len += 1;
5678 p += 2;
5679 }
5680 else if (*p == '\\' || *p == '"')
5681 {
5682 len += 2;
5683 p += 1;
5684 }
5685 else if (vim_iswhite(*p))
5686 {
5687 p = skipwhite(p);
5688 if (*p == NUL)
5689 break;
5690 len += 3; /* "," */
5691 }
5692 else
5693 {
5694 ++len;
5695 ++p;
5696 }
5697 }
5698
5699 buf = alloc(len + 1);
5700 if (buf == NULL)
5701 {
5702 *lenp = 0;
5703 return buf;
5704 }
5705
5706 p = arg;
5707 q = buf;
5708 *q++ = '"';
5709 while (*p)
5710 {
5711 if (p[0] == '\\' && p[1] == '\\')
5712 {
5713 *q++ = '\\';
5714 *q++ = '\\';
5715 p += 2;
5716 }
5717 else if (p[0] == '\\' && vim_iswhite(p[1]))
5718 {
5719 *q++ = p[1];
5720 p += 2;
5721 }
5722 else if (*p == '\\' || *p == '"')
5723 {
5724 *q++ = '\\';
5725 *q++ = *p++;
5726 }
5727 else if (vim_iswhite(*p))
5728 {
5729 p = skipwhite(p);
5730 if (*p == NUL)
5731 break;
5732 *q++ = '"';
5733 *q++ = ',';
5734 *q++ = '"';
5735 }
5736 else
5737 {
5738 *q++ = *p++;
5739 }
5740 }
5741 *q++ = '"';
5742 *q = 0;
5743
5744 *lenp = len;
5745 return buf;
5746 }
5747
5748 /*
5749 * Check for a <> code in a user command.
5750 * "code" points to the '<'. "len" the length of the <> (inclusive).
5751 * "buf" is where the result is to be added.
5752 * "split_buf" points to a buffer used for splitting, caller should free it.
5753 * "split_len" is the length of what "split_buf" contains.
5754 * Returns the length of the replacement, which has been added to "buf".
5755 * Returns -1 if there was no match, and only the "<" has been copied.
5756 */
5757 static size_t
5758 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5759 char_u *code;
5760 size_t len;
5761 char_u *buf;
5762 ucmd_T *cmd; /* the user command we're expanding */
5763 exarg_T *eap; /* ex arguments */
5764 char_u **split_buf;
5765 size_t *split_len;
5766 {
5767 size_t result = 0;
5768 char_u *p = code + 1;
5769 size_t l = len - 2;
5770 int quote = 0;
5771 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5772 ct_LT, ct_NONE } type = ct_NONE;
5773
5774 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5775 {
5776 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5777 p += 2;
5778 l -= 2;
5779 }
5780
5781 ++l;
5782 if (l <= 1)
5783 type = ct_NONE;
5784 else if (STRNICMP(p, "args>", l) == 0)
5785 type = ct_ARGS;
5786 else if (STRNICMP(p, "bang>", l) == 0)
5787 type = ct_BANG;
5788 else if (STRNICMP(p, "count>", l) == 0)
5789 type = ct_COUNT;
5790 else if (STRNICMP(p, "line1>", l) == 0)
5791 type = ct_LINE1;
5792 else if (STRNICMP(p, "line2>", l) == 0)
5793 type = ct_LINE2;
5794 else if (STRNICMP(p, "lt>", l) == 0)
5795 type = ct_LT;
5796 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5797 type = ct_REGISTER;
5798
5799 switch (type)
5800 {
5801 case ct_ARGS:
5802 /* Simple case first */
5803 if (*eap->arg == NUL)
5804 {
5805 if (quote == 1)
5806 {
5807 result = 2;
5808 if (buf != NULL)
5809 STRCPY(buf, "''");
5810 }
5811 else
5812 result = 0;
5813 break;
5814 }
5815
5816 /* When specified there is a single argument don't split it.
5817 * Works for ":Cmd %" when % is "a b c". */
5818 if ((eap->argt & NOSPC) && quote == 2)
5819 quote = 1;
5820
5821 switch (quote)
5822 {
5823 case 0: /* No quoting, no splitting */
5824 result = STRLEN(eap->arg);
5825 if (buf != NULL)
5826 STRCPY(buf, eap->arg);
5827 break;
5828 case 1: /* Quote, but don't split */
5829 result = STRLEN(eap->arg) + 2;
5830 for (p = eap->arg; *p; ++p)
5831 {
5832 if (*p == '\\' || *p == '"')
5833 ++result;
5834 }
5835
5836 if (buf != NULL)
5837 {
5838 *buf++ = '"';
5839 for (p = eap->arg; *p; ++p)
5840 {
5841 if (*p == '\\' || *p == '"')
5842 *buf++ = '\\';
5843 *buf++ = *p;
5844 }
5845 *buf = '"';
5846 }
5847
5848 break;
5849 case 2: /* Quote and split (<f-args>) */
5850 /* This is hard, so only do it once, and cache the result */
5851 if (*split_buf == NULL)
5852 *split_buf = uc_split_args(eap->arg, split_len);
5853
5854 result = *split_len;
5855 if (buf != NULL && result != 0)
5856 STRCPY(buf, *split_buf);
5857
5858 break;
5859 }
5860 break;
5861
5862 case ct_BANG:
5863 result = eap->forceit ? 1 : 0;
5864 if (quote)
5865 result += 2;
5866 if (buf != NULL)
5867 {
5868 if (quote)
5869 *buf++ = '"';
5870 if (eap->forceit)
5871 *buf++ = '!';
5872 if (quote)
5873 *buf = '"';
5874 }
5875 break;
5876
5877 case ct_LINE1:
5878 case ct_LINE2:
5879 case ct_COUNT:
5880 {
5881 char num_buf[20];
5882 long num = (type == ct_LINE1) ? eap->line1 :
5883 (type == ct_LINE2) ? eap->line2 :
5884 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5885 size_t num_len;
5886
5887 sprintf(num_buf, "%ld", num);
5888 num_len = STRLEN(num_buf);
5889 result = num_len;
5890
5891 if (quote)
5892 result += 2;
5893
5894 if (buf != NULL)
5895 {
5896 if (quote)
5897 *buf++ = '"';
5898 STRCPY(buf, num_buf);
5899 buf += num_len;
5900 if (quote)
5901 *buf = '"';
5902 }
5903
5904 break;
5905 }
5906
5907 case ct_REGISTER:
5908 result = eap->regname ? 1 : 0;
5909 if (quote)
5910 result += 2;
5911 if (buf != NULL)
5912 {
5913 if (quote)
5914 *buf++ = '\'';
5915 if (eap->regname)
5916 *buf++ = eap->regname;
5917 if (quote)
5918 *buf = '\'';
5919 }
5920 break;
5921
5922 case ct_LT:
5923 result = 1;
5924 if (buf != NULL)
5925 *buf = '<';
5926 break;
5927
5928 default:
5929 /* Not recognized: just copy the '<' and return -1. */
5930 result = (size_t)-1;
5931 if (buf != NULL)
5932 *buf = '<';
5933 break;
5934 }
5935
5936 return result;
5937 }
5938
5939 static void
5940 do_ucmd(eap)
5941 exarg_T *eap;
5942 {
5943 char_u *buf;
5944 char_u *p;
5945 char_u *q;
5946
5947 char_u *start;
5948 char_u *end = NULL;
5949 char_u *ksp;
5950 size_t len, totlen;
5951
5952 size_t split_len = 0;
5953 char_u *split_buf = NULL;
5954 ucmd_T *cmd;
5955 #ifdef FEAT_EVAL
5956 scid_T save_current_SID = current_SID;
5957 #endif
5958
5959 if (eap->cmdidx == CMD_USER)
5960 cmd = USER_CMD(eap->useridx);
5961 else
5962 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5963
5964 /*
5965 * Replace <> in the command by the arguments.
5966 * First round: "buf" is NULL, compute length, allocate "buf".
5967 * Second round: copy result into "buf".
5968 */
5969 buf = NULL;
5970 for (;;)
5971 {
5972 p = cmd->uc_rep; /* source */
5973 q = buf; /* destination */
5974 totlen = 0;
5975
5976 for (;;)
5977 {
5978 start = vim_strchr(p, '<');
5979 if (start != NULL)
5980 end = vim_strchr(start + 1, '>');
5981 if (buf != NULL)
5982 {
5983 ksp = vim_strchr(p, K_SPECIAL);
5984 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5985 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5986 # ifdef FEAT_GUI
5987 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5988 # endif
5989 ))
5990 {
5991 /* K_SPECIAL han been put in the buffer as K_SPECIAL
5992 * KS_SPECIAL KE_FILLER, like for mappings, but
5993 * do_cmdline() doesn't handle that, so convert it back.
5994 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
5995 len = ksp - p;
5996 if (len > 0)
5997 {
5998 mch_memmove(q, p, len);
5999 q += len;
6000 }
6001 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6002 p = ksp + 3;
6003 continue;
6004 }
6005 }
6006
6007 /* break if there no <item> is found */
6008 if (start == NULL || end == NULL)
6009 break;
6010
6011 /* Include the '>' */
6012 ++end;
6013
6014 /* Take everything up to the '<' */
6015 len = start - p;
6016 if (buf == NULL)
6017 totlen += len;
6018 else
6019 {
6020 mch_memmove(q, p, len);
6021 q += len;
6022 }
6023
6024 len = uc_check_code(start, end - start, q, cmd, eap,
6025 &split_buf, &split_len);
6026 if (len == (size_t)-1)
6027 {
6028 /* no match, continue after '<' */
6029 p = start + 1;
6030 len = 1;
6031 }
6032 else
6033 p = end;
6034 if (buf == NULL)
6035 totlen += len;
6036 else
6037 q += len;
6038 }
6039 if (buf != NULL) /* second time here, finished */
6040 {
6041 STRCPY(q, p);
6042 break;
6043 }
6044
6045 totlen += STRLEN(p); /* Add on the trailing characters */
6046 buf = alloc((unsigned)(totlen + 1));
6047 if (buf == NULL)
6048 {
6049 vim_free(split_buf);
6050 return;
6051 }
6052 }
6053
6054 #ifdef FEAT_EVAL
6055 current_SID = cmd->uc_scriptID;
6056 #endif
6057 (void)do_cmdline(buf, eap->getline, eap->cookie,
6058 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6059 #ifdef FEAT_EVAL
6060 current_SID = save_current_SID;
6061 #endif
6062 vim_free(buf);
6063 vim_free(split_buf);
6064 }
6065
6066 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6067 static char_u *
6068 get_user_command_name(idx)
6069 int idx;
6070 {
6071 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6072 }
6073
6074 /*
6075 * Function given to ExpandGeneric() to obtain the list of user command names.
6076 */
6077 char_u *
6078 get_user_commands(xp, idx)
6079 expand_T *xp UNUSED;
6080 int idx;
6081 {
6082 if (idx < curbuf->b_ucmds.ga_len)
6083 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6084 idx -= curbuf->b_ucmds.ga_len;
6085 if (idx < ucmds.ga_len)
6086 return USER_CMD(idx)->uc_name;
6087 return NULL;
6088 }
6089
6090 /*
6091 * Function given to ExpandGeneric() to obtain the list of user command
6092 * attributes.
6093 */
6094 char_u *
6095 get_user_cmd_flags(xp, idx)
6096 expand_T *xp UNUSED;
6097 int idx;
6098 {
6099 static char *user_cmd_flags[] =
6100 {"bang", "bar", "buffer", "complete", "count",
6101 "nargs", "range", "register"};
6102
6103 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6104 return NULL;
6105 return (char_u *)user_cmd_flags[idx];
6106 }
6107
6108 /*
6109 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6110 */
6111 char_u *
6112 get_user_cmd_nargs(xp, idx)
6113 expand_T *xp UNUSED;
6114 int idx;
6115 {
6116 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6117
6118 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6119 return NULL;
6120 return (char_u *)user_cmd_nargs[idx];
6121 }
6122
6123 /*
6124 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6125 */
6126 char_u *
6127 get_user_cmd_complete(xp, idx)
6128 expand_T *xp UNUSED;
6129 int idx;
6130 {
6131 return (char_u *)command_complete[idx].name;
6132 }
6133 # endif /* FEAT_CMDL_COMPL */
6134
6135 #endif /* FEAT_USR_CMDS */
6136
6137 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6138 /*
6139 * Parse a completion argument "value[vallen]".
6140 * The detected completion goes in "*complp", argument type in "*argt".
6141 * When there is an argument, for function and user defined completion, it's
6142 * copied to allocated memory and stored in "*compl_arg".
6143 * Returns FAIL if something is wrong.
6144 */
6145 int
6146 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6147 char_u *value;
6148 int vallen;
6149 int *complp;
6150 long *argt;
6151 char_u **compl_arg;
6152 {
6153 char_u *arg = NULL;
6154 size_t arglen = 0;
6155 int i;
6156 int valend = vallen;
6157
6158 /* Look for any argument part - which is the part after any ',' */
6159 for (i = 0; i < vallen; ++i)
6160 {
6161 if (value[i] == ',')
6162 {
6163 arg = &value[i + 1];
6164 arglen = vallen - i - 1;
6165 valend = i;
6166 break;
6167 }
6168 }
6169
6170 for (i = 0; command_complete[i].expand != 0; ++i)
6171 {
6172 if ((int)STRLEN(command_complete[i].name) == valend
6173 && STRNCMP(value, command_complete[i].name, valend) == 0)
6174 {
6175 *complp = command_complete[i].expand;
6176 if (command_complete[i].expand == EXPAND_BUFFERS)
6177 *argt |= BUFNAME;
6178 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6179 || command_complete[i].expand == EXPAND_FILES)
6180 *argt |= XFILE;
6181 break;
6182 }
6183 }
6184
6185 if (command_complete[i].expand == 0)
6186 {
6187 EMSG2(_("E180: Invalid complete value: %s"), value);
6188 return FAIL;
6189 }
6190
6191 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6192 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6193 && arg != NULL)
6194 # else
6195 if (arg != NULL)
6196 # endif
6197 {
6198 EMSG(_("E468: Completion argument only allowed for custom completion"));
6199 return FAIL;
6200 }
6201
6202 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6203 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6204 && arg == NULL)
6205 {
6206 EMSG(_("E467: Custom completion requires a function argument"));
6207 return FAIL;
6208 }
6209
6210 if (arg != NULL)
6211 *compl_arg = vim_strnsave(arg, (int)arglen);
6212 # endif
6213 return OK;
6214 }
6215 #endif
6216
6217 static void
6218 ex_colorscheme(eap)
6219 exarg_T *eap;
6220 {
6221 if (load_colors(eap->arg) == FAIL)
6222 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6223 }
6224
6225 static void
6226 ex_highlight(eap)
6227 exarg_T *eap;
6228 {
6229 if (*eap->arg == NUL && eap->cmd[2] == '!')
6230 MSG(_("Greetings, Vim user!"));
6231 do_highlight(eap->arg, eap->forceit, FALSE);
6232 }
6233
6234
6235 /*
6236 * Call this function if we thought we were going to exit, but we won't
6237 * (because of an error). May need to restore the terminal mode.
6238 */
6239 void
6240 not_exiting()
6241 {
6242 exiting = FALSE;
6243 settmode(TMODE_RAW);
6244 }
6245
6246 /*
6247 * ":quit": quit current window, quit Vim if closed the last window.
6248 */
6249 static void
6250 ex_quit(eap)
6251 exarg_T *eap;
6252 {
6253 #ifdef FEAT_CMDWIN
6254 if (cmdwin_type != 0)
6255 {
6256 cmdwin_result = Ctrl_C;
6257 return;
6258 }
6259 #endif
6260 /* Don't quit while editing the command line. */
6261 if (text_locked())
6262 {
6263 text_locked_msg();
6264 return;
6265 }
6266 #ifdef FEAT_AUTOCMD
6267 if (curbuf_locked())
6268 return;
6269 #endif
6270
6271 #ifdef FEAT_NETBEANS_INTG
6272 netbeansForcedQuit = eap->forceit;
6273 #endif
6274
6275 /*
6276 * If there are more files or windows we won't exit.
6277 */
6278 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6279 exiting = TRUE;
6280 if ((!P_HID(curbuf)
6281 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6282 || check_more(TRUE, eap->forceit) == FAIL
6283 || (only_one_window() && check_changed_any(eap->forceit)))
6284 {
6285 not_exiting();
6286 }
6287 else
6288 {
6289 #ifdef FEAT_WINDOWS
6290 if (only_one_window()) /* quit last window */
6291 #endif
6292 getout(0);
6293 #ifdef FEAT_WINDOWS
6294 # ifdef FEAT_GUI
6295 need_mouse_correct = TRUE;
6296 # endif
6297 /* close window; may free buffer */
6298 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6299 #endif
6300 }
6301 }
6302
6303 /*
6304 * ":cquit".
6305 */
6306 static void
6307 ex_cquit(eap)
6308 exarg_T *eap UNUSED;
6309 {
6310 getout(1); /* this does not always pass on the exit code to the Manx
6311 compiler. why? */
6312 }
6313
6314 /*
6315 * ":qall": try to quit all windows
6316 */
6317 static void
6318 ex_quit_all(eap)
6319 exarg_T *eap;
6320 {
6321 # ifdef FEAT_CMDWIN
6322 if (cmdwin_type != 0)
6323 {
6324 if (eap->forceit)
6325 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6326 else
6327 cmdwin_result = K_XF2;
6328 return;
6329 }
6330 # endif
6331
6332 /* Don't quit while editing the command line. */
6333 if (text_locked())
6334 {
6335 text_locked_msg();
6336 return;
6337 }
6338 #ifdef FEAT_AUTOCMD
6339 if (curbuf_locked())
6340 return;
6341 #endif
6342
6343 exiting = TRUE;
6344 if (eap->forceit || !check_changed_any(FALSE))
6345 getout(0);
6346 not_exiting();
6347 }
6348
6349 #if defined(FEAT_WINDOWS) || defined(PROTO)
6350 /*
6351 * ":close": close current window, unless it is the last one
6352 */
6353 static void
6354 ex_close(eap)
6355 exarg_T *eap;
6356 {
6357 # ifdef FEAT_CMDWIN
6358 if (cmdwin_type != 0)
6359 cmdwin_result = K_IGNORE;
6360 else
6361 # endif
6362 if (!text_locked()
6363 #ifdef FEAT_AUTOCMD
6364 && !curbuf_locked()
6365 #endif
6366 )
6367 ex_win_close(eap->forceit, curwin, NULL);
6368 }
6369
6370 # ifdef FEAT_QUICKFIX
6371 /*
6372 * ":pclose": Close any preview window.
6373 */
6374 static void
6375 ex_pclose(eap)
6376 exarg_T *eap;
6377 {
6378 win_T *win;
6379
6380 for (win = firstwin; win != NULL; win = win->w_next)
6381 if (win->w_p_pvw)
6382 {
6383 ex_win_close(eap->forceit, win, NULL);
6384 break;
6385 }
6386 }
6387 # endif
6388
6389 /*
6390 * Close window "win" and take care of handling closing the last window for a
6391 * modified buffer.
6392 */
6393 static void
6394 ex_win_close(forceit, win, tp)
6395 int forceit;
6396 win_T *win;
6397 tabpage_T *tp; /* NULL or the tab page "win" is in */
6398 {
6399 int need_hide;
6400 buf_T *buf = win->w_buffer;
6401
6402 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6403 if (need_hide && !P_HID(buf) && !forceit)
6404 {
6405 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6406 if ((p_confirm || cmdmod.confirm) && p_write)
6407 {
6408 dialog_changed(buf, FALSE);
6409 if (buf_valid(buf) && bufIsChanged(buf))
6410 return;
6411 need_hide = FALSE;
6412 }
6413 else
6414 # endif
6415 {
6416 EMSG(_(e_nowrtmsg));
6417 return;
6418 }
6419 }
6420
6421 # ifdef FEAT_GUI
6422 need_mouse_correct = TRUE;
6423 # endif
6424
6425 /* free buffer when not hiding it or when it's a scratch buffer */
6426 if (tp == NULL)
6427 win_close(win, !need_hide && !P_HID(buf));
6428 else
6429 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6430 }
6431
6432 /*
6433 * ":tabclose": close current tab page, unless it is the last one.
6434 * ":tabclose N": close tab page N.
6435 */
6436 static void
6437 ex_tabclose(eap)
6438 exarg_T *eap;
6439 {
6440 tabpage_T *tp;
6441
6442 # ifdef FEAT_CMDWIN
6443 if (cmdwin_type != 0)
6444 cmdwin_result = K_IGNORE;
6445 else
6446 # endif
6447 if (first_tabpage->tp_next == NULL)
6448 EMSG(_("E784: Cannot close last tab page"));
6449 else
6450 {
6451 if (eap->addr_count > 0)
6452 {
6453 tp = find_tabpage((int)eap->line2);
6454 if (tp == NULL)
6455 {
6456 beep_flush();
6457 return;
6458 }
6459 if (tp != curtab)
6460 {
6461 tabpage_close_other(tp, eap->forceit);
6462 return;
6463 }
6464 }
6465 if (!text_locked()
6466 #ifdef FEAT_AUTOCMD
6467 && !curbuf_locked()
6468 #endif
6469 )
6470 tabpage_close(eap->forceit);
6471 }
6472 }
6473
6474 /*
6475 * ":tabonly": close all tab pages except the current one
6476 */
6477 static void
6478 ex_tabonly(eap)
6479 exarg_T *eap;
6480 {
6481 tabpage_T *tp;
6482 int done;
6483
6484 # ifdef FEAT_CMDWIN
6485 if (cmdwin_type != 0)
6486 cmdwin_result = K_IGNORE;
6487 else
6488 # endif
6489 if (first_tabpage->tp_next == NULL)
6490 MSG(_("Already only one tab page"));
6491 else
6492 {
6493 /* Repeat this up to a 1000 times, because autocommands may mess
6494 * up the lists. */
6495 for (done = 0; done < 1000; ++done)
6496 {
6497 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6498 if (tp->tp_topframe != topframe)
6499 {
6500 tabpage_close_other(tp, eap->forceit);
6501 /* if we failed to close it quit */
6502 if (valid_tabpage(tp))
6503 done = 1000;
6504 /* start over, "tp" is now invalid */
6505 break;
6506 }
6507 if (first_tabpage->tp_next == NULL)
6508 break;
6509 }
6510 }
6511 }
6512
6513 /*
6514 * Close the current tab page.
6515 */
6516 void
6517 tabpage_close(forceit)
6518 int forceit;
6519 {
6520 /* First close all the windows but the current one. If that worked then
6521 * close the last window in this tab, that will close it. */
6522 if (lastwin != firstwin)
6523 close_others(TRUE, forceit);
6524 if (lastwin == firstwin)
6525 ex_win_close(forceit, curwin, NULL);
6526 # ifdef FEAT_GUI
6527 need_mouse_correct = TRUE;
6528 # endif
6529 }
6530
6531 /*
6532 * Close tab page "tp", which is not the current tab page.
6533 * Note that autocommands may make "tp" invalid.
6534 * Also takes care of the tab pages line disappearing when closing the
6535 * last-but-one tab page.
6536 */
6537 void
6538 tabpage_close_other(tp, forceit)
6539 tabpage_T *tp;
6540 int forceit;
6541 {
6542 int done = 0;
6543 win_T *wp;
6544 int h = tabline_height();
6545
6546 /* Limit to 1000 windows, autocommands may add a window while we close
6547 * one. OK, so I'm paranoid... */
6548 while (++done < 1000)
6549 {
6550 wp = tp->tp_firstwin;
6551 ex_win_close(forceit, wp, tp);
6552
6553 /* Autocommands may delete the tab page under our fingers and we may
6554 * fail to close a window with a modified buffer. */
6555 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6556 break;
6557 }
6558
6559 redraw_tabline = TRUE;
6560 if (h != tabline_height())
6561 shell_new_rows();
6562 }
6563
6564 /*
6565 * ":only".
6566 */
6567 static void
6568 ex_only(eap)
6569 exarg_T *eap;
6570 {
6571 # ifdef FEAT_GUI
6572 need_mouse_correct = TRUE;
6573 # endif
6574 close_others(TRUE, eap->forceit);
6575 }
6576
6577 /*
6578 * ":all" and ":sall".
6579 * Also used for ":tab drop file ..." after setting the argument list.
6580 */
6581 void
6582 ex_all(eap)
6583 exarg_T *eap;
6584 {
6585 if (eap->addr_count == 0)
6586 eap->line2 = 9999;
6587 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6588 }
6589 #endif /* FEAT_WINDOWS */
6590
6591 static void
6592 ex_hide(eap)
6593 exarg_T *eap;
6594 {
6595 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6596 eap->errmsg = e_invarg;
6597 else
6598 {
6599 /* ":hide" or ":hide | cmd": hide current window */
6600 eap->nextcmd = check_nextcmd(eap->arg);
6601 #ifdef FEAT_WINDOWS
6602 if (!eap->skip)
6603 {
6604 # ifdef FEAT_GUI
6605 need_mouse_correct = TRUE;
6606 # endif
6607 win_close(curwin, FALSE); /* don't free buffer */
6608 }
6609 #endif
6610 }
6611 }
6612
6613 /*
6614 * ":stop" and ":suspend": Suspend Vim.
6615 */
6616 static void
6617 ex_stop(eap)
6618 exarg_T *eap;
6619 {
6620 /*
6621 * Disallow suspending for "rvim".
6622 */
6623 if (!check_restricted()
6624 #ifdef WIN3264
6625 /*
6626 * Check if external commands are allowed now.
6627 */
6628 && can_end_termcap_mode(TRUE)
6629 #endif
6630 )
6631 {
6632 if (!eap->forceit)
6633 autowrite_all();
6634 windgoto((int)Rows - 1, 0);
6635 out_char('\n');
6636 out_flush();
6637 stoptermcap();
6638 out_flush(); /* needed for SUN to restore xterm buffer */
6639 #ifdef FEAT_TITLE
6640 mch_restore_title(3); /* restore window titles */
6641 #endif
6642 ui_suspend(); /* call machine specific function */
6643 #ifdef FEAT_TITLE
6644 maketitle();
6645 resettitle(); /* force updating the title */
6646 #endif
6647 starttermcap();
6648 scroll_start(); /* scroll screen before redrawing */
6649 redraw_later_clear();
6650 shell_resized(); /* may have resized window */
6651 }
6652 }
6653
6654 /*
6655 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6656 */
6657 static void
6658 ex_exit(eap)
6659 exarg_T *eap;
6660 {
6661 #ifdef FEAT_CMDWIN
6662 if (cmdwin_type != 0)
6663 {
6664 cmdwin_result = Ctrl_C;
6665 return;
6666 }
6667 #endif
6668 /* Don't quit while editing the command line. */
6669 if (text_locked())
6670 {
6671 text_locked_msg();
6672 return;
6673 }
6674 #ifdef FEAT_AUTOCMD
6675 if (curbuf_locked())
6676 return;
6677 #endif
6678
6679 /*
6680 * if more files or windows we won't exit
6681 */
6682 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6683 exiting = TRUE;
6684 if ( ((eap->cmdidx == CMD_wq
6685 || curbufIsChanged())
6686 && do_write(eap) == FAIL)
6687 || check_more(TRUE, eap->forceit) == FAIL
6688 || (only_one_window() && check_changed_any(eap->forceit)))
6689 {
6690 not_exiting();
6691 }
6692 else
6693 {
6694 #ifdef FEAT_WINDOWS
6695 if (only_one_window()) /* quit last window, exit Vim */
6696 #endif
6697 getout(0);
6698 #ifdef FEAT_WINDOWS
6699 # ifdef FEAT_GUI
6700 need_mouse_correct = TRUE;
6701 # endif
6702 /* quit current window, may free buffer */
6703 win_close(curwin, !P_HID(curwin->w_buffer));
6704 #endif
6705 }
6706 }
6707
6708 /*
6709 * ":print", ":list", ":number".
6710 */
6711 static void
6712 ex_print(eap)
6713 exarg_T *eap;
6714 {
6715 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6716 EMSG(_(e_emptybuf));
6717 else
6718 {
6719 for ( ;!got_int; ui_breakcheck())
6720 {
6721 print_line(eap->line1,
6722 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6723 || (eap->flags & EXFLAG_NR)),
6724 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6725 if (++eap->line1 > eap->line2)
6726 break;
6727 out_flush(); /* show one line at a time */
6728 }
6729 setpcmark();
6730 /* put cursor at last line */
6731 curwin->w_cursor.lnum = eap->line2;
6732 beginline(BL_SOL | BL_FIX);
6733 }
6734
6735 ex_no_reprint = TRUE;
6736 }
6737
6738 #ifdef FEAT_BYTEOFF
6739 static void
6740 ex_goto(eap)
6741 exarg_T *eap;
6742 {
6743 goto_byte(eap->line2);
6744 }
6745 #endif
6746
6747 /*
6748 * ":shell".
6749 */
6750 static void
6751 ex_shell(eap)
6752 exarg_T *eap UNUSED;
6753 {
6754 do_shell(NULL, 0);
6755 }
6756
6757 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6758 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6759 || defined(FEAT_GUI_MSWIN) \
6760 || defined(FEAT_GUI_MAC) \
6761 || defined(PROTO)
6762
6763 /*
6764 * Handle a file drop. The code is here because a drop is *nearly* like an
6765 * :args command, but not quite (we have a list of exact filenames, so we
6766 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6767 * code is very similar to :args and hence needs access to a lot of the static
6768 * functions in this file.
6769 *
6770 * The list should be allocated using alloc(), as should each item in the
6771 * list. This function takes over responsibility for freeing the list.
6772 *
6773 * XXX The list is made into the argument list. This is freed using
6774 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6775 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6776 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6777 * file functionality is (currently) not in EMX this is not presently a
6778 * problem.
6779 */
6780 void
6781 handle_drop(filec, filev, split)
6782 int filec; /* the number of files dropped */
6783 char_u **filev; /* the list of files dropped */
6784 int split; /* force splitting the window */
6785 {
6786 exarg_T ea;
6787 int save_msg_scroll = msg_scroll;
6788
6789 /* Postpone this while editing the command line. */
6790 if (text_locked())
6791 return;
6792 #ifdef FEAT_AUTOCMD
6793 if (curbuf_locked())
6794 return;
6795 #endif
6796 /* When the screen is being updated we should not change buffers and
6797 * windows structures, it may cause freed memory to be used. */
6798 if (updating_screen)
6799 return;
6800
6801 /* Check whether the current buffer is changed. If so, we will need
6802 * to split the current window or data could be lost.
6803 * We don't need to check if the 'hidden' option is set, as in this
6804 * case the buffer won't be lost.
6805 */
6806 if (!P_HID(curbuf) && !split)
6807 {
6808 ++emsg_off;
6809 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6810 --emsg_off;
6811 }
6812 if (split)
6813 {
6814 # ifdef FEAT_WINDOWS
6815 if (win_split(0, 0) == FAIL)
6816 return;
6817 # ifdef FEAT_SCROLLBIND
6818 curwin->w_p_scb = FALSE;
6819 # endif
6820
6821 /* When splitting the window, create a new alist. Otherwise the
6822 * existing one is overwritten. */
6823 alist_unlink(curwin->w_alist);
6824 alist_new();
6825 # else
6826 return; /* can't split, always fail */
6827 # endif
6828 }
6829
6830 /*
6831 * Set up the new argument list.
6832 */
6833 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6834
6835 /*
6836 * Move to the first file.
6837 */
6838 /* Fake up a minimal "next" command for do_argfile() */
6839 vim_memset(&ea, 0, sizeof(ea));
6840 ea.cmd = (char_u *)"next";
6841 do_argfile(&ea, 0);
6842
6843 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6844 * mode that is not needed here. */
6845 need_start_insertmode = FALSE;
6846
6847 /* Restore msg_scroll, otherwise a following command may cause scrolling
6848 * unexpectedly. The screen will be redrawn by the caller, thus
6849 * msg_scroll being set by displaying a message is irrelevant. */
6850 msg_scroll = save_msg_scroll;
6851 }
6852 #endif
6853
6854 /*
6855 * Clear an argument list: free all file names and reset it to zero entries.
6856 */
6857 void
6858 alist_clear(al)
6859 alist_T *al;
6860 {
6861 while (--al->al_ga.ga_len >= 0)
6862 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6863 ga_clear(&al->al_ga);
6864 }
6865
6866 /*
6867 * Init an argument list.
6868 */
6869 void
6870 alist_init(al)
6871 alist_T *al;
6872 {
6873 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6874 }
6875
6876 #if defined(FEAT_WINDOWS) || defined(PROTO)
6877
6878 /*
6879 * Remove a reference from an argument list.
6880 * Ignored when the argument list is the global one.
6881 * If the argument list is no longer used by any window, free it.
6882 */
6883 void
6884 alist_unlink(al)
6885 alist_T *al;
6886 {
6887 if (al != &global_alist && --al->al_refcount <= 0)
6888 {
6889 alist_clear(al);
6890 vim_free(al);
6891 }
6892 }
6893
6894 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6895 /*
6896 * Create a new argument list and use it for the current window.
6897 */
6898 void
6899 alist_new()
6900 {
6901 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6902 if (curwin->w_alist == NULL)
6903 {
6904 curwin->w_alist = &global_alist;
6905 ++global_alist.al_refcount;
6906 }
6907 else
6908 {
6909 curwin->w_alist->al_refcount = 1;
6910 alist_init(curwin->w_alist);
6911 }
6912 }
6913 # endif
6914 #endif
6915
6916 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6917 /*
6918 * Expand the file names in the global argument list.
6919 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6920 * numbers to be re-used.
6921 */
6922 void
6923 alist_expand(fnum_list, fnum_len)
6924 int *fnum_list;
6925 int fnum_len;
6926 {
6927 char_u **old_arg_files;
6928 int old_arg_count;
6929 char_u **new_arg_files;
6930 int new_arg_file_count;
6931 char_u *save_p_su = p_su;
6932 int i;
6933
6934 /* Don't use 'suffixes' here. This should work like the shell did the
6935 * expansion. Also, the vimrc file isn't read yet, thus the user
6936 * can't set the options. */
6937 p_su = empty_option;
6938 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6939 if (old_arg_files != NULL)
6940 {
6941 for (i = 0; i < GARGCOUNT; ++i)
6942 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6943 old_arg_count = GARGCOUNT;
6944 if (expand_wildcards(old_arg_count, old_arg_files,
6945 &new_arg_file_count, &new_arg_files,
6946 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6947 && new_arg_file_count > 0)
6948 {
6949 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6950 TRUE, fnum_list, fnum_len);
6951 FreeWild(old_arg_count, old_arg_files);
6952 }
6953 }
6954 p_su = save_p_su;
6955 }
6956 #endif
6957
6958 /*
6959 * Set the argument list for the current window.
6960 * Takes over the allocated files[] and the allocated fnames in it.
6961 */
6962 void
6963 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6964 alist_T *al;
6965 int count;
6966 char_u **files;
6967 int use_curbuf;
6968 int *fnum_list;
6969 int fnum_len;
6970 {
6971 int i;
6972
6973 alist_clear(al);
6974 if (ga_grow(&al->al_ga, count) == OK)
6975 {
6976 for (i = 0; i < count; ++i)
6977 {
6978 if (got_int)
6979 {
6980 /* When adding many buffers this can take a long time. Allow
6981 * interrupting here. */
6982 while (i < count)
6983 vim_free(files[i++]);
6984 break;
6985 }
6986
6987 /* May set buffer name of a buffer previously used for the
6988 * argument list, so that it's re-used by alist_add. */
6989 if (fnum_list != NULL && i < fnum_len)
6990 buf_set_name(fnum_list[i], files[i]);
6991
6992 alist_add(al, files[i], use_curbuf ? 2 : 1);
6993 ui_breakcheck();
6994 }
6995 vim_free(files);
6996 }
6997 else
6998 FreeWild(count, files);
6999 #ifdef FEAT_WINDOWS
7000 if (al == &global_alist)
7001 #endif
7002 arg_had_last = FALSE;
7003 }
7004
7005 /*
7006 * Add file "fname" to argument list "al".
7007 * "fname" must have been allocated and "al" must have been checked for room.
7008 */
7009 void
7010 alist_add(al, fname, set_fnum)
7011 alist_T *al;
7012 char_u *fname;
7013 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7014 {
7015 if (fname == NULL) /* don't add NULL file names */
7016 return;
7017 #ifdef BACKSLASH_IN_FILENAME
7018 slash_adjust(fname);
7019 #endif
7020 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7021 if (set_fnum > 0)
7022 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7023 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7024 ++al->al_ga.ga_len;
7025 }
7026
7027 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7028 /*
7029 * Adjust slashes in file names. Called after 'shellslash' was set.
7030 */
7031 void
7032 alist_slash_adjust()
7033 {
7034 int i;
7035 # ifdef FEAT_WINDOWS
7036 win_T *wp;
7037 tabpage_T *tp;
7038 # endif
7039
7040 for (i = 0; i < GARGCOUNT; ++i)
7041 if (GARGLIST[i].ae_fname != NULL)
7042 slash_adjust(GARGLIST[i].ae_fname);
7043 # ifdef FEAT_WINDOWS
7044 FOR_ALL_TAB_WINDOWS(tp, wp)
7045 if (wp->w_alist != &global_alist)
7046 for (i = 0; i < WARGCOUNT(wp); ++i)
7047 if (WARGLIST(wp)[i].ae_fname != NULL)
7048 slash_adjust(WARGLIST(wp)[i].ae_fname);
7049 # endif
7050 }
7051 #endif
7052
7053 /*
7054 * ":preserve".
7055 */
7056 static void
7057 ex_preserve(eap)
7058 exarg_T *eap UNUSED;
7059 {
7060 curbuf->b_flags |= BF_PRESERVED;
7061 ml_preserve(curbuf, TRUE);
7062 }
7063
7064 /*
7065 * ":recover".
7066 */
7067 static void
7068 ex_recover(eap)
7069 exarg_T *eap;
7070 {
7071 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7072 recoverymode = TRUE;
7073 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7074 && (*eap->arg == NUL
7075 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7076 ml_recover();
7077 recoverymode = FALSE;
7078 }
7079
7080 /*
7081 * Command modifier used in a wrong way.
7082 */
7083 static void
7084 ex_wrongmodifier(eap)
7085 exarg_T *eap;
7086 {
7087 eap->errmsg = e_invcmd;
7088 }
7089
7090 #ifdef FEAT_WINDOWS
7091 /*
7092 * :sview [+command] file split window with new file, read-only
7093 * :split [[+command] file] split window with current or new file
7094 * :vsplit [[+command] file] split window vertically with current or new file
7095 * :new [[+command] file] split window with no or new file
7096 * :vnew [[+command] file] split vertically window with no or new file
7097 * :sfind [+command] file split window with file in 'path'
7098 *
7099 * :tabedit open new Tab page with empty window
7100 * :tabedit [+command] file open new Tab page and edit "file"
7101 * :tabnew [[+command] file] just like :tabedit
7102 * :tabfind [+command] file open new Tab page and find "file"
7103 */
7104 void
7105 ex_splitview(eap)
7106 exarg_T *eap;
7107 {
7108 win_T *old_curwin = curwin;
7109 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7110 char_u *fname = NULL;
7111 # endif
7112 # ifdef FEAT_BROWSE
7113 int browse_flag = cmdmod.browse;
7114 # endif
7115
7116 # ifndef FEAT_VERTSPLIT
7117 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7118 {
7119 ex_ni(eap);
7120 return;
7121 }
7122 # endif
7123
7124 # ifdef FEAT_GUI
7125 need_mouse_correct = TRUE;
7126 # endif
7127
7128 # ifdef FEAT_QUICKFIX
7129 /* A ":split" in the quickfix window works like ":new". Don't want two
7130 * quickfix windows. But it's OK when doing ":tab split". */
7131 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7132 {
7133 if (eap->cmdidx == CMD_split)
7134 eap->cmdidx = CMD_new;
7135 # ifdef FEAT_VERTSPLIT
7136 if (eap->cmdidx == CMD_vsplit)
7137 eap->cmdidx = CMD_vnew;
7138 # endif
7139 }
7140 # endif
7141
7142 # ifdef FEAT_SEARCHPATH
7143 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7144 {
7145 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7146 FNAME_MESS, TRUE, curbuf->b_ffname);
7147 if (fname == NULL)
7148 goto theend;
7149 eap->arg = fname;
7150 }
7151 # ifdef FEAT_BROWSE
7152 else
7153 # endif
7154 # endif
7155 # ifdef FEAT_BROWSE
7156 if (cmdmod.browse
7157 # ifdef FEAT_VERTSPLIT
7158 && eap->cmdidx != CMD_vnew
7159 # endif
7160 && eap->cmdidx != CMD_new)
7161 {
7162 # ifdef FEAT_AUTOCMD
7163 if (
7164 # ifdef FEAT_GUI
7165 !gui.in_use &&
7166 # endif
7167 au_has_group((char_u *)"FileExplorer"))
7168 {
7169 /* No browsing supported but we do have the file explorer:
7170 * Edit the directory. */
7171 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7172 eap->arg = (char_u *)".";
7173 }
7174 else
7175 # endif
7176 {
7177 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7178 eap->arg, NULL, NULL, NULL, curbuf);
7179 if (fname == NULL)
7180 goto theend;
7181 eap->arg = fname;
7182 }
7183 }
7184 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7185 # endif
7186
7187 /*
7188 * Either open new tab page or split the window.
7189 */
7190 if (eap->cmdidx == CMD_tabedit
7191 || eap->cmdidx == CMD_tabfind
7192 || eap->cmdidx == CMD_tabnew)
7193 {
7194 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7195 : eap->addr_count == 0 ? 0
7196 : (int)eap->line2 + 1) != FAIL)
7197 {
7198 do_exedit(eap, old_curwin);
7199
7200 /* set the alternate buffer for the window we came from */
7201 if (curwin != old_curwin
7202 && win_valid(old_curwin)
7203 && old_curwin->w_buffer != curbuf
7204 && !cmdmod.keepalt)
7205 old_curwin->w_alt_fnum = curbuf->b_fnum;
7206 }
7207 }
7208 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7209 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7210 {
7211 # ifdef FEAT_SCROLLBIND
7212 /* Reset 'scrollbind' when editing another file, but keep it when
7213 * doing ":split" without arguments. */
7214 if (*eap->arg != NUL
7215 # ifdef FEAT_BROWSE
7216 || cmdmod.browse
7217 # endif
7218 )
7219 curwin->w_p_scb = FALSE;
7220 else
7221 do_check_scrollbind(FALSE);
7222 # endif
7223 do_exedit(eap, old_curwin);
7224 }
7225
7226 # ifdef FEAT_BROWSE
7227 cmdmod.browse = browse_flag;
7228 # endif
7229
7230 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7231 theend:
7232 vim_free(fname);
7233 # endif
7234 }
7235
7236 /*
7237 * Open a new tab page.
7238 */
7239 void
7240 tabpage_new()
7241 {
7242 exarg_T ea;
7243
7244 vim_memset(&ea, 0, sizeof(ea));
7245 ea.cmdidx = CMD_tabnew;
7246 ea.cmd = (char_u *)"tabn";
7247 ea.arg = (char_u *)"";
7248 ex_splitview(&ea);
7249 }
7250
7251 /*
7252 * :tabnext command
7253 */
7254 static void
7255 ex_tabnext(eap)
7256 exarg_T *eap;
7257 {
7258 switch (eap->cmdidx)
7259 {
7260 case CMD_tabfirst:
7261 case CMD_tabrewind:
7262 goto_tabpage(1);
7263 break;
7264 case CMD_tablast:
7265 goto_tabpage(9999);
7266 break;
7267 case CMD_tabprevious:
7268 case CMD_tabNext:
7269 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7270 break;
7271 default: /* CMD_tabnext */
7272 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7273 break;
7274 }
7275 }
7276
7277 /*
7278 * :tabmove command
7279 */
7280 static void
7281 ex_tabmove(eap)
7282 exarg_T *eap;
7283 {
7284 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7285 }
7286
7287 /*
7288 * :tabs command: List tabs and their contents.
7289 */
7290 static void
7291 ex_tabs(eap)
7292 exarg_T *eap UNUSED;
7293 {
7294 tabpage_T *tp;
7295 win_T *wp;
7296 int tabcount = 1;
7297
7298 msg_start();
7299 msg_scroll = TRUE;
7300 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7301 {
7302 msg_putchar('\n');
7303 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7304 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7305 out_flush(); /* output one line at a time */
7306 ui_breakcheck();
7307
7308 if (tp == curtab)
7309 wp = firstwin;
7310 else
7311 wp = tp->tp_firstwin;
7312 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7313 {
7314 msg_putchar('\n');
7315 msg_putchar(wp == curwin ? '>' : ' ');
7316 msg_putchar(' ');
7317 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7318 msg_putchar(' ');
7319 if (buf_spname(wp->w_buffer) != NULL)
7320 STRCPY(IObuff, buf_spname(wp->w_buffer));
7321 else
7322 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7323 IObuff, IOSIZE, TRUE);
7324 msg_outtrans(IObuff);
7325 out_flush(); /* output one line at a time */
7326 ui_breakcheck();
7327 }
7328 }
7329 }
7330
7331 #endif /* FEAT_WINDOWS */
7332
7333 /*
7334 * ":mode": Set screen mode.
7335 * If no argument given, just get the screen size and redraw.
7336 */
7337 static void
7338 ex_mode(eap)
7339 exarg_T *eap;
7340 {
7341 if (*eap->arg == NUL)
7342 shell_resized();
7343 else
7344 mch_screenmode(eap->arg);
7345 }
7346
7347 #ifdef FEAT_WINDOWS
7348 /*
7349 * ":resize".
7350 * set, increment or decrement current window height
7351 */
7352 static void
7353 ex_resize(eap)
7354 exarg_T *eap;
7355 {
7356 int n;
7357 win_T *wp = curwin;
7358
7359 if (eap->addr_count > 0)
7360 {
7361 n = eap->line2;
7362 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7363 ;
7364 }
7365
7366 #ifdef FEAT_GUI
7367 need_mouse_correct = TRUE;
7368 #endif
7369 n = atol((char *)eap->arg);
7370 #ifdef FEAT_VERTSPLIT
7371 if (cmdmod.split & WSP_VERT)
7372 {
7373 if (*eap->arg == '-' || *eap->arg == '+')
7374 n += W_WIDTH(curwin);
7375 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7376 n = 9999;
7377 win_setwidth_win((int)n, wp);
7378 }
7379 else
7380 #endif
7381 {
7382 if (*eap->arg == '-' || *eap->arg == '+')
7383 n += curwin->w_height;
7384 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7385 n = 9999;
7386 win_setheight_win((int)n, wp);
7387 }
7388 }
7389 #endif
7390
7391 /*
7392 * ":find [+command] <file>" command.
7393 */
7394 static void
7395 ex_find(eap)
7396 exarg_T *eap;
7397 {
7398 #ifdef FEAT_SEARCHPATH
7399 char_u *fname;
7400 int count;
7401
7402 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7403 TRUE, curbuf->b_ffname);
7404 if (eap->addr_count > 0)
7405 {
7406 /* Repeat finding the file "count" times. This matters when it
7407 * appears several times in the path. */
7408 count = eap->line2;
7409 while (fname != NULL && --count > 0)
7410 {
7411 vim_free(fname);
7412 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7413 FALSE, curbuf->b_ffname);
7414 }
7415 }
7416
7417 if (fname != NULL)
7418 {
7419 eap->arg = fname;
7420 #endif
7421 do_exedit(eap, NULL);
7422 #ifdef FEAT_SEARCHPATH
7423 vim_free(fname);
7424 }
7425 #endif
7426 }
7427
7428 /*
7429 * ":open" simulation: for now just work like ":visual".
7430 */
7431 static void
7432 ex_open(eap)
7433 exarg_T *eap;
7434 {
7435 regmatch_T regmatch;
7436 char_u *p;
7437
7438 curwin->w_cursor.lnum = eap->line2;
7439 beginline(BL_SOL | BL_FIX);
7440 if (*eap->arg == '/')
7441 {
7442 /* ":open /pattern/": put cursor in column found with pattern */
7443 ++eap->arg;
7444 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7445 *p = NUL;
7446 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7447 if (regmatch.regprog != NULL)
7448 {
7449 regmatch.rm_ic = p_ic;
7450 p = ml_get_curline();
7451 if (vim_regexec(&regmatch, p, (colnr_T)0))
7452 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7453 else
7454 EMSG(_(e_nomatch));
7455 vim_free(regmatch.regprog);
7456 }
7457 /* Move to the NUL, ignore any other arguments. */
7458 eap->arg += STRLEN(eap->arg);
7459 }
7460 check_cursor();
7461
7462 eap->cmdidx = CMD_visual;
7463 do_exedit(eap, NULL);
7464 }
7465
7466 /*
7467 * ":edit", ":badd", ":visual".
7468 */
7469 static void
7470 ex_edit(eap)
7471 exarg_T *eap;
7472 {
7473 do_exedit(eap, NULL);
7474 }
7475
7476 /*
7477 * ":edit <file>" command and alikes.
7478 */
7479 void
7480 do_exedit(eap, old_curwin)
7481 exarg_T *eap;
7482 win_T *old_curwin; /* curwin before doing a split or NULL */
7483 {
7484 int n;
7485 #ifdef FEAT_WINDOWS
7486 int need_hide;
7487 #endif
7488 int exmode_was = exmode_active;
7489
7490 /*
7491 * ":vi" command ends Ex mode.
7492 */
7493 if (exmode_active && (eap->cmdidx == CMD_visual
7494 || eap->cmdidx == CMD_view))
7495 {
7496 exmode_active = FALSE;
7497 if (*eap->arg == NUL)
7498 {
7499 /* Special case: ":global/pat/visual\NLvi-commands" */
7500 if (global_busy)
7501 {
7502 int rd = RedrawingDisabled;
7503 int nwr = no_wait_return;
7504 int ms = msg_scroll;
7505 #ifdef FEAT_GUI
7506 int he = hold_gui_events;
7507 #endif
7508
7509 if (eap->nextcmd != NULL)
7510 {
7511 stuffReadbuff(eap->nextcmd);
7512 eap->nextcmd = NULL;
7513 }
7514
7515 if (exmode_was != EXMODE_VIM)
7516 settmode(TMODE_RAW);
7517 RedrawingDisabled = 0;
7518 no_wait_return = 0;
7519 need_wait_return = FALSE;
7520 msg_scroll = 0;
7521 #ifdef FEAT_GUI
7522 hold_gui_events = 0;
7523 #endif
7524 must_redraw = CLEAR;
7525
7526 main_loop(FALSE, TRUE);
7527
7528 RedrawingDisabled = rd;
7529 no_wait_return = nwr;
7530 msg_scroll = ms;
7531 #ifdef FEAT_GUI
7532 hold_gui_events = he;
7533 #endif
7534 }
7535 return;
7536 }
7537 }
7538
7539 if ((eap->cmdidx == CMD_new
7540 || eap->cmdidx == CMD_tabnew
7541 || eap->cmdidx == CMD_tabedit
7542 #ifdef FEAT_VERTSPLIT
7543 || eap->cmdidx == CMD_vnew
7544 #endif
7545 ) && *eap->arg == NUL)
7546 {
7547 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7548 setpcmark();
7549 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7550 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7551 old_curwin == NULL ? curwin : NULL);
7552 }
7553 else if ((eap->cmdidx != CMD_split
7554 #ifdef FEAT_VERTSPLIT
7555 && eap->cmdidx != CMD_vsplit
7556 #endif
7557 )
7558 || *eap->arg != NUL
7559 #ifdef FEAT_BROWSE
7560 || cmdmod.browse
7561 #endif
7562 )
7563 {
7564 #ifdef FEAT_AUTOCMD
7565 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7566 * can bring us here, others are stopped earlier. */
7567 if (*eap->arg != NUL && curbuf_locked())
7568 return;
7569 #endif
7570 n = readonlymode;
7571 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7572 readonlymode = TRUE;
7573 else if (eap->cmdidx == CMD_enew)
7574 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7575 empty buffer */
7576 setpcmark();
7577 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7578 NULL, eap,
7579 /* ":edit" goes to first line if Vi compatible */
7580 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7581 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7582 ? ECMD_ONE : eap->do_ecmd_lnum,
7583 (P_HID(curbuf) ? ECMD_HIDE : 0)
7584 + (eap->forceit ? ECMD_FORCEIT : 0)
7585 #ifdef FEAT_LISTCMDS
7586 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7587 #endif
7588 , old_curwin == NULL ? curwin : NULL) == FAIL)
7589 {
7590 /* Editing the file failed. If the window was split, close it. */
7591 #ifdef FEAT_WINDOWS
7592 if (old_curwin != NULL)
7593 {
7594 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7595 if (!need_hide || P_HID(curbuf))
7596 {
7597 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7598 cleanup_T cs;
7599
7600 /* Reset the error/interrupt/exception state here so that
7601 * aborting() returns FALSE when closing a window. */
7602 enter_cleanup(&cs);
7603 # endif
7604 # ifdef FEAT_GUI
7605 need_mouse_correct = TRUE;
7606 # endif
7607 win_close(curwin, !need_hide && !P_HID(curbuf));
7608
7609 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7610 /* Restore the error/interrupt/exception state if not
7611 * discarded by a new aborting error, interrupt, or
7612 * uncaught exception. */
7613 leave_cleanup(&cs);
7614 # endif
7615 }
7616 }
7617 #endif
7618 }
7619 else if (readonlymode && curbuf->b_nwindows == 1)
7620 {
7621 /* When editing an already visited buffer, 'readonly' won't be set
7622 * but the previous value is kept. With ":view" and ":sview" we
7623 * want the file to be readonly, except when another window is
7624 * editing the same buffer. */
7625 curbuf->b_p_ro = TRUE;
7626 }
7627 readonlymode = n;
7628 }
7629 else
7630 {
7631 if (eap->do_ecmd_cmd != NULL)
7632 do_cmdline_cmd(eap->do_ecmd_cmd);
7633 #ifdef FEAT_TITLE
7634 n = curwin->w_arg_idx_invalid;
7635 #endif
7636 check_arg_idx(curwin);
7637 #ifdef FEAT_TITLE
7638 if (n != curwin->w_arg_idx_invalid)
7639 maketitle();
7640 #endif
7641 }
7642
7643 #ifdef FEAT_WINDOWS
7644 /*
7645 * if ":split file" worked, set alternate file name in old window to new
7646 * file
7647 */
7648 if (old_curwin != NULL
7649 && *eap->arg != NUL
7650 && curwin != old_curwin
7651 && win_valid(old_curwin)
7652 && old_curwin->w_buffer != curbuf
7653 && !cmdmod.keepalt)
7654 old_curwin->w_alt_fnum = curbuf->b_fnum;
7655 #endif
7656
7657 ex_no_reprint = TRUE;
7658 }
7659
7660 #ifndef FEAT_GUI
7661 /*
7662 * ":gui" and ":gvim" when there is no GUI.
7663 */
7664 static void
7665 ex_nogui(eap)
7666 exarg_T *eap;
7667 {
7668 eap->errmsg = e_nogvim;
7669 }
7670 #endif
7671
7672 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7673 static void
7674 ex_tearoff(eap)
7675 exarg_T *eap;
7676 {
7677 gui_make_tearoff(eap->arg);
7678 }
7679 #endif
7680
7681 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7682 static void
7683 ex_popup(eap)
7684 exarg_T *eap;
7685 {
7686 gui_make_popup(eap->arg, eap->forceit);
7687 }
7688 #endif
7689
7690 static void
7691 ex_swapname(eap)
7692 exarg_T *eap UNUSED;
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 static void
7706 ex_syncbind(eap)
7707 exarg_T *eap UNUSED;
7708 {
7709 #ifdef FEAT_SCROLLBIND
7710 win_T *wp;
7711 long topline;
7712 long y;
7713 linenr_T old_linenr = curwin->w_cursor.lnum;
7714
7715 setpcmark();
7716
7717 /*
7718 * determine max topline
7719 */
7720 if (curwin->w_p_scb)
7721 {
7722 topline = curwin->w_topline;
7723 for (wp = firstwin; wp; wp = wp->w_next)
7724 {
7725 if (wp->w_p_scb && wp->w_buffer)
7726 {
7727 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7728 if (topline > y)
7729 topline = y;
7730 }
7731 }
7732 if (topline < 1)
7733 topline = 1;
7734 }
7735 else
7736 {
7737 topline = 1;
7738 }
7739
7740
7741 /*
7742 * set all scrollbind windows to the same topline
7743 */
7744 wp = curwin;
7745 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7746 {
7747 if (curwin->w_p_scb)
7748 {
7749 y = topline - curwin->w_topline;
7750 if (y > 0)
7751 scrollup(y, TRUE);
7752 else
7753 scrolldown(-y, TRUE);
7754 curwin->w_scbind_pos = topline;
7755 redraw_later(VALID);
7756 cursor_correct();
7757 #ifdef FEAT_WINDOWS
7758 curwin->w_redr_status = TRUE;
7759 #endif
7760 }
7761 }
7762 curwin = wp;
7763 if (curwin->w_p_scb)
7764 {
7765 did_syncbind = TRUE;
7766 checkpcmark();
7767 if (old_linenr != curwin->w_cursor.lnum)
7768 {
7769 char_u ctrl_o[2];
7770
7771 ctrl_o[0] = Ctrl_O;
7772 ctrl_o[1] = 0;
7773 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7774 }
7775 }
7776 #endif
7777 }
7778
7779
7780 static void
7781 ex_read(eap)
7782 exarg_T *eap;
7783 {
7784 int i;
7785 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7786 linenr_T lnum;
7787
7788 if (eap->usefilter) /* :r!cmd */
7789 do_bang(1, eap, FALSE, FALSE, TRUE);
7790 else
7791 {
7792 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7793 return;
7794
7795 #ifdef FEAT_BROWSE
7796 if (cmdmod.browse)
7797 {
7798 char_u *browseFile;
7799
7800 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7801 NULL, NULL, NULL, curbuf);
7802 if (browseFile != NULL)
7803 {
7804 i = readfile(browseFile, NULL,
7805 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7806 vim_free(browseFile);
7807 }
7808 else
7809 i = OK;
7810 }
7811 else
7812 #endif
7813 if (*eap->arg == NUL)
7814 {
7815 if (check_fname() == FAIL) /* check for no file name */
7816 return;
7817 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7818 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7819 }
7820 else
7821 {
7822 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7823 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7824 i = readfile(eap->arg, NULL,
7825 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7826
7827 }
7828 if (i == FAIL)
7829 {
7830 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7831 if (!aborting())
7832 #endif
7833 EMSG2(_(e_notopen), eap->arg);
7834 }
7835 else
7836 {
7837 if (empty && exmode_active)
7838 {
7839 /* Delete the empty line that remains. Historically ex does
7840 * this but vi doesn't. */
7841 if (eap->line2 == 0)
7842 lnum = curbuf->b_ml.ml_line_count;
7843 else
7844 lnum = 1;
7845 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7846 {
7847 ml_delete(lnum, FALSE);
7848 if (curwin->w_cursor.lnum > 1
7849 && curwin->w_cursor.lnum >= lnum)
7850 --curwin->w_cursor.lnum;
7851 deleted_lines_mark(lnum, 1L);
7852 }
7853 }
7854 redraw_curbuf_later(VALID);
7855 }
7856 }
7857 }
7858
7859 static char_u *prev_dir = NULL;
7860
7861 #if defined(EXITFREE) || defined(PROTO)
7862 void
7863 free_cd_dir()
7864 {
7865 vim_free(prev_dir);
7866 prev_dir = NULL;
7867
7868 vim_free(globaldir);
7869 globaldir = NULL;
7870 }
7871 #endif
7872
7873
7874 /*
7875 * ":cd", ":lcd", ":chdir" and ":lchdir".
7876 */
7877 void
7878 ex_cd(eap)
7879 exarg_T *eap;
7880 {
7881 char_u *new_dir;
7882 char_u *tofree;
7883
7884 new_dir = eap->arg;
7885 #if !defined(UNIX) && !defined(VMS)
7886 /* for non-UNIX ":cd" means: print current directory */
7887 if (*new_dir == NUL)
7888 ex_pwd(NULL);
7889 else
7890 #endif
7891 {
7892 #ifdef FEAT_AUTOCMD
7893 if (allbuf_locked())
7894 return;
7895 #endif
7896 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7897 && !eap->forceit)
7898 {
7899 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7900 return;
7901 }
7902
7903 /* ":cd -": Change to previous directory */
7904 if (STRCMP(new_dir, "-") == 0)
7905 {
7906 if (prev_dir == NULL)
7907 {
7908 EMSG(_("E186: No previous directory"));
7909 return;
7910 }
7911 new_dir = prev_dir;
7912 }
7913
7914 /* Save current directory for next ":cd -" */
7915 tofree = prev_dir;
7916 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7917 prev_dir = vim_strsave(NameBuff);
7918 else
7919 prev_dir = NULL;
7920
7921 #if defined(UNIX) || defined(VMS)
7922 /* for UNIX ":cd" means: go to home directory */
7923 if (*new_dir == NUL)
7924 {
7925 /* use NameBuff for home directory name */
7926 # ifdef VMS
7927 char_u *p;
7928
7929 p = mch_getenv((char_u *)"SYS$LOGIN");
7930 if (p == NULL || *p == NUL) /* empty is the same as not set */
7931 NameBuff[0] = NUL;
7932 else
7933 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7934 # else
7935 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7936 # endif
7937 new_dir = NameBuff;
7938 }
7939 #endif
7940 if (new_dir == NULL || vim_chdir(new_dir))
7941 EMSG(_(e_failed));
7942 else
7943 {
7944 vim_free(curwin->w_localdir);
7945 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7946 {
7947 /* If still in global directory, need to remember current
7948 * directory as global directory. */
7949 if (globaldir == NULL && prev_dir != NULL)
7950 globaldir = vim_strsave(prev_dir);
7951 /* Remember this local directory for the window. */
7952 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7953 curwin->w_localdir = vim_strsave(NameBuff);
7954 }
7955 else
7956 {
7957 /* We are now in the global directory, no need to remember its
7958 * name. */
7959 vim_free(globaldir);
7960 globaldir = NULL;
7961 curwin->w_localdir = NULL;
7962 }
7963
7964 shorten_fnames(TRUE);
7965
7966 /* Echo the new current directory if the command was typed. */
7967 if (KeyTyped || p_verbose >= 5)
7968 ex_pwd(eap);
7969 }
7970 vim_free(tofree);
7971 }
7972 }
7973
7974 /*
7975 * ":pwd".
7976 */
7977 static void
7978 ex_pwd(eap)
7979 exarg_T *eap UNUSED;
7980 {
7981 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7982 {
7983 #ifdef BACKSLASH_IN_FILENAME
7984 slash_adjust(NameBuff);
7985 #endif
7986 msg(NameBuff);
7987 }
7988 else
7989 EMSG(_("E187: Unknown"));
7990 }
7991
7992 /*
7993 * ":=".
7994 */
7995 static void
7996 ex_equal(eap)
7997 exarg_T *eap;
7998 {
7999 smsg((char_u *)"%ld", (long)eap->line2);
8000 ex_may_print(eap);
8001 }
8002
8003 static void
8004 ex_sleep(eap)
8005 exarg_T *eap;
8006 {
8007 int n;
8008 long len;
8009
8010 if (cursor_valid())
8011 {
8012 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8013 if (n >= 0)
8014 windgoto((int)n, curwin->w_wcol);
8015 }
8016
8017 len = eap->line2;
8018 switch (*eap->arg)
8019 {
8020 case 'm': break;
8021 case NUL: len *= 1000L; break;
8022 default: EMSG2(_(e_invarg2), eap->arg); return;
8023 }
8024 do_sleep(len);
8025 }
8026
8027 /*
8028 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8029 */
8030 void
8031 do_sleep(msec)
8032 long msec;
8033 {
8034 long done;
8035
8036 cursor_on();
8037 out_flush();
8038 for (done = 0; !got_int && done < msec; done += 1000L)
8039 {
8040 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8041 ui_breakcheck();
8042 }
8043 }
8044
8045 static void
8046 do_exmap(eap, isabbrev)
8047 exarg_T *eap;
8048 int isabbrev;
8049 {
8050 int mode;
8051 char_u *cmdp;
8052
8053 cmdp = eap->cmd;
8054 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8055
8056 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8057 eap->arg, mode, isabbrev))
8058 {
8059 case 1: EMSG(_(e_invarg));
8060 break;
8061 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8062 break;
8063 }
8064 }
8065
8066 /*
8067 * ":winsize" command (obsolete).
8068 */
8069 static void
8070 ex_winsize(eap)
8071 exarg_T *eap;
8072 {
8073 int w, h;
8074 char_u *arg = eap->arg;
8075 char_u *p;
8076
8077 w = getdigits(&arg);
8078 arg = skipwhite(arg);
8079 p = arg;
8080 h = getdigits(&arg);
8081 if (*p != NUL && *arg == NUL)
8082 set_shellsize(w, h, TRUE);
8083 else
8084 EMSG(_("E465: :winsize requires two number arguments"));
8085 }
8086
8087 #ifdef FEAT_WINDOWS
8088 static void
8089 ex_wincmd(eap)
8090 exarg_T *eap;
8091 {
8092 int xchar = NUL;
8093 char_u *p;
8094
8095 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8096 {
8097 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8098 if (eap->arg[1] == NUL)
8099 {
8100 EMSG(_(e_invarg));
8101 return;
8102 }
8103 xchar = eap->arg[1];
8104 p = eap->arg + 2;
8105 }
8106 else
8107 p = eap->arg + 1;
8108
8109 eap->nextcmd = check_nextcmd(p);
8110 p = skipwhite(p);
8111 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8112 EMSG(_(e_invarg));
8113 else
8114 {
8115 /* Pass flags on for ":vertical wincmd ]". */
8116 postponed_split_flags = cmdmod.split;
8117 postponed_split_tab = cmdmod.tab;
8118 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8119 postponed_split_flags = 0;
8120 postponed_split_tab = 0;
8121 }
8122 }
8123 #endif
8124
8125 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8126 /*
8127 * ":winpos".
8128 */
8129 static void
8130 ex_winpos(eap)
8131 exarg_T *eap;
8132 {
8133 int x, y;
8134 char_u *arg = eap->arg;
8135 char_u *p;
8136
8137 if (*arg == NUL)
8138 {
8139 # if defined(FEAT_GUI) || defined(MSWIN)
8140 # ifdef FEAT_GUI
8141 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8142 # else
8143 if (mch_get_winpos(&x, &y) != FAIL)
8144 # endif
8145 {
8146 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8147 msg(IObuff);
8148 }
8149 else
8150 # endif
8151 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8152 }
8153 else
8154 {
8155 x = getdigits(&arg);
8156 arg = skipwhite(arg);
8157 p = arg;
8158 y = getdigits(&arg);
8159 if (*p == NUL || *arg != NUL)
8160 {
8161 EMSG(_("E466: :winpos requires two number arguments"));
8162 return;
8163 }
8164 # ifdef FEAT_GUI
8165 if (gui.in_use)
8166 gui_mch_set_winpos(x, y);
8167 else if (gui.starting)
8168 {
8169 /* Remember the coordinates for when the window is opened. */
8170 gui_win_x = x;
8171 gui_win_y = y;
8172 }
8173 # ifdef HAVE_TGETENT
8174 else
8175 # endif
8176 # else
8177 # ifdef MSWIN
8178 mch_set_winpos(x, y);
8179 # endif
8180 # endif
8181 # ifdef HAVE_TGETENT
8182 if (*T_CWP)
8183 term_set_winpos(x, y);
8184 # endif
8185 }
8186 }
8187 #endif
8188
8189 /*
8190 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8191 */
8192 static void
8193 ex_operators(eap)
8194 exarg_T *eap;
8195 {
8196 oparg_T oa;
8197
8198 clear_oparg(&oa);
8199 oa.regname = eap->regname;
8200 oa.start.lnum = eap->line1;
8201 oa.end.lnum = eap->line2;
8202 oa.line_count = eap->line2 - eap->line1 + 1;
8203 oa.motion_type = MLINE;
8204 #ifdef FEAT_VIRTUALEDIT
8205 virtual_op = FALSE;
8206 #endif
8207 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8208 {
8209 setpcmark();
8210 curwin->w_cursor.lnum = eap->line1;
8211 beginline(BL_SOL | BL_FIX);
8212 }
8213
8214 switch (eap->cmdidx)
8215 {
8216 case CMD_delete:
8217 oa.op_type = OP_DELETE;
8218 op_delete(&oa);
8219 break;
8220
8221 case CMD_yank:
8222 oa.op_type = OP_YANK;
8223 (void)op_yank(&oa, FALSE, TRUE);
8224 break;
8225
8226 default: /* CMD_rshift or CMD_lshift */
8227 if ((eap->cmdidx == CMD_rshift)
8228 #ifdef FEAT_RIGHTLEFT
8229 ^ curwin->w_p_rl
8230 #endif
8231 )
8232 oa.op_type = OP_RSHIFT;
8233 else
8234 oa.op_type = OP_LSHIFT;
8235 op_shift(&oa, FALSE, eap->amount);
8236 break;
8237 }
8238 #ifdef FEAT_VIRTUALEDIT
8239 virtual_op = MAYBE;
8240 #endif
8241 ex_may_print(eap);
8242 }
8243
8244 /*
8245 * ":put".
8246 */
8247 static void
8248 ex_put(eap)
8249 exarg_T *eap;
8250 {
8251 /* ":0put" works like ":1put!". */
8252 if (eap->line2 == 0)
8253 {
8254 eap->line2 = 1;
8255 eap->forceit = TRUE;
8256 }
8257 curwin->w_cursor.lnum = eap->line2;
8258 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8259 PUT_LINE|PUT_CURSLINE);
8260 }
8261
8262 /*
8263 * Handle ":copy" and ":move".
8264 */
8265 static void
8266 ex_copymove(eap)
8267 exarg_T *eap;
8268 {
8269 long n;
8270
8271 n = get_address(&eap->arg, FALSE, FALSE);
8272 if (eap->arg == NULL) /* error detected */
8273 {
8274 eap->nextcmd = NULL;
8275 return;
8276 }
8277 get_flags(eap);
8278
8279 /*
8280 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8281 */
8282 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8283 {
8284 EMSG(_(e_invaddr));
8285 return;
8286 }
8287
8288 if (eap->cmdidx == CMD_move)
8289 {
8290 if (do_move(eap->line1, eap->line2, n) == FAIL)
8291 return;
8292 }
8293 else
8294 ex_copy(eap->line1, eap->line2, n);
8295 u_clearline();
8296 beginline(BL_SOL | BL_FIX);
8297 ex_may_print(eap);
8298 }
8299
8300 /*
8301 * Print the current line if flags were given to the Ex command.
8302 */
8303 static void
8304 ex_may_print(eap)
8305 exarg_T *eap;
8306 {
8307 if (eap->flags != 0)
8308 {
8309 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8310 (eap->flags & EXFLAG_LIST));
8311 ex_no_reprint = TRUE;
8312 }
8313 }
8314
8315 /*
8316 * ":smagic" and ":snomagic".
8317 */
8318 static void
8319 ex_submagic(eap)
8320 exarg_T *eap;
8321 {
8322 int magic_save = p_magic;
8323
8324 p_magic = (eap->cmdidx == CMD_smagic);
8325 do_sub(eap);
8326 p_magic = magic_save;
8327 }
8328
8329 /*
8330 * ":join".
8331 */
8332 static void
8333 ex_join(eap)
8334 exarg_T *eap;
8335 {
8336 curwin->w_cursor.lnum = eap->line1;
8337 if (eap->line1 == eap->line2)
8338 {
8339 if (eap->addr_count >= 2) /* :2,2join does nothing */
8340 return;
8341 if (eap->line2 == curbuf->b_ml.ml_line_count)
8342 {
8343 beep_flush();
8344 return;
8345 }
8346 ++eap->line2;
8347 }
8348 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8349 beginline(BL_WHITE | BL_FIX);
8350 ex_may_print(eap);
8351 }
8352
8353 /*
8354 * ":[addr]@r" or ":[addr]*r": execute register
8355 */
8356 static void
8357 ex_at(eap)
8358 exarg_T *eap;
8359 {
8360 int c;
8361 int prev_len = typebuf.tb_len;
8362
8363 curwin->w_cursor.lnum = eap->line2;
8364
8365 #ifdef USE_ON_FLY_SCROLL
8366 dont_scroll = TRUE; /* disallow scrolling here */
8367 #endif
8368
8369 /* get the register name. No name means to use the previous one */
8370 c = *eap->arg;
8371 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8372 c = '@';
8373 /* Put the register in the typeahead buffer with the "silent" flag. */
8374 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8375 == FAIL)
8376 {
8377 beep_flush();
8378 }
8379 else
8380 {
8381 int save_efr = exec_from_reg;
8382
8383 exec_from_reg = TRUE;
8384
8385 /*
8386 * Execute from the typeahead buffer.
8387 * Continue until the stuff buffer is empty and all added characters
8388 * have been consumed.
8389 */
8390 while (!stuff_empty() || typebuf.tb_len > prev_len)
8391 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8392
8393 exec_from_reg = save_efr;
8394 }
8395 }
8396
8397 /*
8398 * ":!".
8399 */
8400 static void
8401 ex_bang(eap)
8402 exarg_T *eap;
8403 {
8404 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8405 }
8406
8407 /*
8408 * ":undo".
8409 */
8410 static void
8411 ex_undo(eap)
8412 exarg_T *eap UNUSED;
8413 {
8414 if (eap->addr_count == 1) /* :undo 123 */
8415 undo_time(eap->line2, FALSE, TRUE);
8416 else
8417 u_undo(1);
8418 }
8419
8420 /*
8421 * ":redo".
8422 */
8423 static void
8424 ex_redo(eap)
8425 exarg_T *eap UNUSED;
8426 {
8427 u_redo(1);
8428 }
8429
8430 /*
8431 * ":earlier" and ":later".
8432 */
8433 static void
8434 ex_later(eap)
8435 exarg_T *eap;
8436 {
8437 long count = 0;
8438 int sec = FALSE;
8439 char_u *p = eap->arg;
8440
8441 if (*p == NUL)
8442 count = 1;
8443 else if (isdigit(*p))
8444 {
8445 count = getdigits(&p);
8446 switch (*p)
8447 {
8448 case 's': ++p; sec = TRUE; break;
8449 case 'm': ++p; sec = TRUE; count *= 60; break;
8450 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8451 }
8452 }
8453
8454 if (*p != NUL)
8455 EMSG2(_(e_invarg2), eap->arg);
8456 else
8457 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8458 }
8459
8460 /*
8461 * ":redir": start/stop redirection.
8462 */
8463 static void
8464 ex_redir(eap)
8465 exarg_T *eap;
8466 {
8467 char *mode;
8468 char_u *fname;
8469 char_u *arg = eap->arg;
8470
8471 if (STRICMP(eap->arg, "END") == 0)
8472 close_redir();
8473 else
8474 {
8475 if (*arg == '>')
8476 {
8477 ++arg;
8478 if (*arg == '>')
8479 {
8480 ++arg;
8481 mode = "a";
8482 }
8483 else
8484 mode = "w";
8485 arg = skipwhite(arg);
8486
8487 close_redir();
8488
8489 /* Expand environment variables and "~/". */
8490 fname = expand_env_save(arg);
8491 if (fname == NULL)
8492 return;
8493 #ifdef FEAT_BROWSE
8494 if (cmdmod.browse)
8495 {
8496 char_u *browseFile;
8497
8498 browseFile = do_browse(BROWSE_SAVE,
8499 (char_u *)_("Save Redirection"),
8500 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8501 if (browseFile == NULL)
8502 return; /* operation cancelled */
8503 vim_free(fname);
8504 fname = browseFile;
8505 eap->forceit = TRUE; /* since dialog already asked */
8506 }
8507 #endif
8508
8509 redir_fd = open_exfile(fname, eap->forceit, mode);
8510 vim_free(fname);
8511 }
8512 #ifdef FEAT_EVAL
8513 else if (*arg == '@')
8514 {
8515 /* redirect to a register a-z (resp. A-Z for appending) */
8516 close_redir();
8517 ++arg;
8518 if (ASCII_ISALPHA(*arg)
8519 # ifdef FEAT_CLIPBOARD
8520 || *arg == '*'
8521 || *arg == '+'
8522 # endif
8523 || *arg == '"')
8524 {
8525 redir_reg = *arg++;
8526 if (*arg == '>' && arg[1] == '>') /* append */
8527 arg += 2;
8528 else
8529 {
8530 /* Can use both "@a" and "@a>". */
8531 if (*arg == '>')
8532 arg++;
8533 /* Make register empty when not using @A-@Z and the
8534 * command is valid. */
8535 if (*arg == NUL && !isupper(redir_reg))
8536 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8537 }
8538 }
8539 if (*arg != NUL)
8540 {
8541 redir_reg = 0;
8542 EMSG2(_(e_invarg2), eap->arg);
8543 }
8544 }
8545 else if (*arg == '=' && arg[1] == '>')
8546 {
8547 int append;
8548
8549 /* redirect to a variable */
8550 close_redir();
8551 arg += 2;
8552
8553 if (*arg == '>')
8554 {
8555 ++arg;
8556 append = TRUE;
8557 }
8558 else
8559 append = FALSE;
8560
8561 if (var_redir_start(skipwhite(arg), append) == OK)
8562 redir_vname = 1;
8563 }
8564 #endif
8565
8566 /* TODO: redirect to a buffer */
8567
8568 else
8569 EMSG2(_(e_invarg2), eap->arg);
8570 }
8571
8572 /* Make sure redirection is not off. Can happen for cmdline completion
8573 * that indirectly invokes a command to catch its output. */
8574 if (redir_fd != NULL
8575 #ifdef FEAT_EVAL
8576 || redir_reg || redir_vname
8577 #endif
8578 )
8579 redir_off = FALSE;
8580 }
8581
8582 /*
8583 * ":redraw": force redraw
8584 */
8585 static void
8586 ex_redraw(eap)
8587 exarg_T *eap;
8588 {
8589 int r = RedrawingDisabled;
8590 int p = p_lz;
8591
8592 RedrawingDisabled = 0;
8593 p_lz = FALSE;
8594 update_topline();
8595 update_screen(eap->forceit ? CLEAR :
8596 #ifdef FEAT_VISUAL
8597 VIsual_active ? INVERTED :
8598 #endif
8599 0);
8600 #ifdef FEAT_TITLE
8601 if (need_maketitle)
8602 maketitle();
8603 #endif
8604 RedrawingDisabled = r;
8605 p_lz = p;
8606
8607 /* Reset msg_didout, so that a message that's there is overwritten. */
8608 msg_didout = FALSE;
8609 msg_col = 0;
8610
8611 out_flush();
8612 }
8613
8614 /*
8615 * ":redrawstatus": force redraw of status line(s)
8616 */
8617 static void
8618 ex_redrawstatus(eap)
8619 exarg_T *eap UNUSED;
8620 {
8621 #if defined(FEAT_WINDOWS)
8622 int r = RedrawingDisabled;
8623 int p = p_lz;
8624
8625 RedrawingDisabled = 0;
8626 p_lz = FALSE;
8627 if (eap->forceit)
8628 status_redraw_all();
8629 else
8630 status_redraw_curbuf();
8631 update_screen(
8632 # ifdef FEAT_VISUAL
8633 VIsual_active ? INVERTED :
8634 # endif
8635 0);
8636 RedrawingDisabled = r;
8637 p_lz = p;
8638 out_flush();
8639 #endif
8640 }
8641
8642 static void
8643 close_redir()
8644 {
8645 if (redir_fd != NULL)
8646 {
8647 fclose(redir_fd);
8648 redir_fd = NULL;
8649 }
8650 #ifdef FEAT_EVAL
8651 redir_reg = 0;
8652 if (redir_vname)
8653 {
8654 var_redir_stop();
8655 redir_vname = 0;
8656 }
8657 #endif
8658 }
8659
8660 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8661 # define MKSESSION_NL
8662 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8663 #endif
8664
8665 /*
8666 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8667 */
8668 static void
8669 ex_mkrc(eap)
8670 exarg_T *eap;
8671 {
8672 FILE *fd;
8673 int failed = FALSE;
8674 char_u *fname;
8675 #ifdef FEAT_BROWSE
8676 char_u *browseFile = NULL;
8677 #endif
8678 #ifdef FEAT_SESSION
8679 int view_session = FALSE;
8680 int using_vdir = FALSE; /* using 'viewdir'? */
8681 char_u *viewFile = NULL;
8682 unsigned *flagp;
8683 #endif
8684
8685 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8686 {
8687 #ifdef FEAT_SESSION
8688 view_session = TRUE;
8689 #else
8690 ex_ni(eap);
8691 return;
8692 #endif
8693 }
8694
8695 #ifdef FEAT_SESSION
8696 /* Use the short file name until ":lcd" is used. We also don't use the
8697 * short file name when 'acd' is set, that is checked later. */
8698 did_lcd = FALSE;
8699
8700 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8701 if (eap->cmdidx == CMD_mkview
8702 && (*eap->arg == NUL
8703 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8704 {
8705 eap->forceit = TRUE;
8706 fname = get_view_file(*eap->arg);
8707 if (fname == NULL)
8708 return;
8709 viewFile = fname;
8710 using_vdir = TRUE;
8711 }
8712 else
8713 #endif
8714 if (*eap->arg != NUL)
8715 fname = eap->arg;
8716 else if (eap->cmdidx == CMD_mkvimrc)
8717 fname = (char_u *)VIMRC_FILE;
8718 #ifdef FEAT_SESSION
8719 else if (eap->cmdidx == CMD_mksession)
8720 fname = (char_u *)SESSION_FILE;
8721 #endif
8722 else
8723 fname = (char_u *)EXRC_FILE;
8724
8725 #ifdef FEAT_BROWSE
8726 if (cmdmod.browse)
8727 {
8728 browseFile = do_browse(BROWSE_SAVE,
8729 # ifdef FEAT_SESSION
8730 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8731 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8732 # endif
8733 (char_u *)_("Save Setup"),
8734 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8735 if (browseFile == NULL)
8736 goto theend;
8737 fname = browseFile;
8738 eap->forceit = TRUE; /* since dialog already asked */
8739 }
8740 #endif
8741
8742 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8743 /* When using 'viewdir' may have to create the directory. */
8744 if (using_vdir && !mch_isdir(p_vdir))
8745 vim_mkdir_emsg(p_vdir, 0755);
8746 #endif
8747
8748 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8749 if (fd != NULL)
8750 {
8751 #ifdef FEAT_SESSION
8752 if (eap->cmdidx == CMD_mkview)
8753 flagp = &vop_flags;
8754 else
8755 flagp = &ssop_flags;
8756 #endif
8757
8758 #ifdef MKSESSION_NL
8759 /* "unix" in 'sessionoptions': use NL line separator */
8760 if (view_session && (*flagp & SSOP_UNIX))
8761 mksession_nl = TRUE;
8762 #endif
8763
8764 /* Write the version command for :mkvimrc */
8765 if (eap->cmdidx == CMD_mkvimrc)
8766 (void)put_line(fd, "version 6.0");
8767
8768 #ifdef FEAT_SESSION
8769 if (eap->cmdidx == CMD_mksession)
8770 {
8771 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8772 failed = TRUE;
8773 }
8774
8775 if (eap->cmdidx != CMD_mkview)
8776 #endif
8777 {
8778 /* Write setting 'compatible' first, because it has side effects.
8779 * For that same reason only do it when needed. */
8780 if (p_cp)
8781 (void)put_line(fd, "if !&cp | set cp | endif");
8782 else
8783 (void)put_line(fd, "if &cp | set nocp | endif");
8784 }
8785
8786 #ifdef FEAT_SESSION
8787 if (!view_session
8788 || (eap->cmdidx == CMD_mksession
8789 && (*flagp & SSOP_OPTIONS)))
8790 #endif
8791 failed |= (makemap(fd, NULL) == FAIL
8792 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8793
8794 #ifdef FEAT_SESSION
8795 if (!failed && view_session)
8796 {
8797 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8798 failed = TRUE;
8799 if (eap->cmdidx == CMD_mksession)
8800 {
8801 char_u dirnow[MAXPATHL]; /* current directory */
8802
8803 /*
8804 * Change to session file's dir.
8805 */
8806 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8807 || mch_chdir((char *)dirnow) != 0)
8808 *dirnow = NUL;
8809 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8810 {
8811 if (vim_chdirfile(fname) == OK)
8812 shorten_fnames(TRUE);
8813 }
8814 else if (*dirnow != NUL
8815 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8816 {
8817 if (mch_chdir((char *)globaldir) == 0)
8818 shorten_fnames(TRUE);
8819 }
8820
8821 failed |= (makeopens(fd, dirnow) == FAIL);
8822
8823 /* restore original dir */
8824 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8825 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8826 {
8827 if (mch_chdir((char *)dirnow) != 0)
8828 EMSG(_(e_prev_dir));
8829 shorten_fnames(TRUE);
8830 }
8831 }
8832 else
8833 {
8834 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8835 -1) == FAIL);
8836 }
8837 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8838 == FAIL)
8839 failed = TRUE;
8840 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8841 failed = TRUE;
8842 if (eap->cmdidx == CMD_mksession)
8843 {
8844 if (put_line(fd, "unlet SessionLoad") == FAIL)
8845 failed = TRUE;
8846 }
8847 }
8848 #endif
8849 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8850 failed = TRUE;
8851
8852 failed |= fclose(fd);
8853
8854 if (failed)
8855 EMSG(_(e_write));
8856 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8857 else if (eap->cmdidx == CMD_mksession)
8858 {
8859 /* successful session write - set this_session var */
8860 char_u tbuf[MAXPATHL];
8861
8862 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8863 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8864 }
8865 #endif
8866 #ifdef MKSESSION_NL
8867 mksession_nl = FALSE;
8868 #endif
8869 }
8870
8871 #ifdef FEAT_BROWSE
8872 theend:
8873 vim_free(browseFile);
8874 #endif
8875 #ifdef FEAT_SESSION
8876 vim_free(viewFile);
8877 #endif
8878 }
8879
8880 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8881 || defined(PROTO)
8882 int
8883 vim_mkdir_emsg(name, prot)
8884 char_u *name;
8885 int prot UNUSED;
8886 {
8887 if (vim_mkdir(name, prot) != 0)
8888 {
8889 EMSG2(_("E739: Cannot create directory: %s"), name);
8890 return FAIL;
8891 }
8892 return OK;
8893 }
8894 #endif
8895
8896 /*
8897 * Open a file for writing for an Ex command, with some checks.
8898 * Return file descriptor, or NULL on failure.
8899 */
8900 FILE *
8901 open_exfile(fname, forceit, mode)
8902 char_u *fname;
8903 int forceit;
8904 char *mode; /* "w" for create new file or "a" for append */
8905 {
8906 FILE *fd;
8907
8908 #ifdef UNIX
8909 /* with Unix it is possible to open a directory */
8910 if (mch_isdir(fname))
8911 {
8912 EMSG2(_(e_isadir2), fname);
8913 return NULL;
8914 }
8915 #endif
8916 if (!forceit && *mode != 'a' && vim_fexists(fname))
8917 {
8918 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8919 return NULL;
8920 }
8921
8922 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8923 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8924
8925 return fd;
8926 }
8927
8928 /*
8929 * ":mark" and ":k".
8930 */
8931 static void
8932 ex_mark(eap)
8933 exarg_T *eap;
8934 {
8935 pos_T pos;
8936
8937 if (*eap->arg == NUL) /* No argument? */
8938 EMSG(_(e_argreq));
8939 else if (eap->arg[1] != NUL) /* more than one character? */
8940 EMSG(_(e_trailing));
8941 else
8942 {
8943 pos = curwin->w_cursor; /* save curwin->w_cursor */
8944 curwin->w_cursor.lnum = eap->line2;
8945 beginline(BL_WHITE | BL_FIX);
8946 if (setmark(*eap->arg) == FAIL) /* set mark */
8947 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8948 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8949 }
8950 }
8951
8952 /*
8953 * Update w_topline, w_leftcol and the cursor position.
8954 */
8955 void
8956 update_topline_cursor()
8957 {
8958 check_cursor(); /* put cursor on valid line */
8959 update_topline();
8960 if (!curwin->w_p_wrap)
8961 validate_cursor();
8962 update_curswant();
8963 }
8964
8965 #ifdef FEAT_EX_EXTRA
8966 /*
8967 * ":normal[!] {commands}": Execute normal mode commands.
8968 */
8969 static void
8970 ex_normal(eap)
8971 exarg_T *eap;
8972 {
8973 int save_msg_scroll = msg_scroll;
8974 int save_restart_edit = restart_edit;
8975 int save_msg_didout = msg_didout;
8976 int save_State = State;
8977 tasave_T tabuf;
8978 int save_insertmode = p_im;
8979 int save_finish_op = finish_op;
8980 int save_opcount = opcount;
8981 #ifdef FEAT_MBYTE
8982 char_u *arg = NULL;
8983 int l;
8984 char_u *p;
8985 #endif
8986
8987 if (ex_normal_lock > 0)
8988 {
8989 EMSG(_(e_secure));
8990 return;
8991 }
8992 if (ex_normal_busy >= p_mmd)
8993 {
8994 EMSG(_("E192: Recursive use of :normal too deep"));
8995 return;
8996 }
8997 ++ex_normal_busy;
8998
8999 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9000 restart_edit = 0; /* don't go to Insert mode */
9001 p_im = FALSE; /* don't use 'insertmode' */
9002
9003 #ifdef FEAT_MBYTE
9004 /*
9005 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9006 * this for the K_SPECIAL leading byte, otherwise special keys will not
9007 * work.
9008 */
9009 if (has_mbyte)
9010 {
9011 int len = 0;
9012
9013 /* Count the number of characters to be escaped. */
9014 for (p = eap->arg; *p != NUL; ++p)
9015 {
9016 # ifdef FEAT_GUI
9017 if (*p == CSI) /* leadbyte CSI */
9018 len += 2;
9019 # endif
9020 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9021 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9022 # ifdef FEAT_GUI
9023 || *p == CSI
9024 # endif
9025 )
9026 len += 2;
9027 }
9028 if (len > 0)
9029 {
9030 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9031 if (arg != NULL)
9032 {
9033 len = 0;
9034 for (p = eap->arg; *p != NUL; ++p)
9035 {
9036 arg[len++] = *p;
9037 # ifdef FEAT_GUI
9038 if (*p == CSI)
9039 {
9040 arg[len++] = KS_EXTRA;
9041 arg[len++] = (int)KE_CSI;
9042 }
9043 # endif
9044 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9045 {
9046 arg[len++] = *++p;
9047 if (*p == K_SPECIAL)
9048 {
9049 arg[len++] = KS_SPECIAL;
9050 arg[len++] = KE_FILLER;
9051 }
9052 # ifdef FEAT_GUI
9053 else if (*p == CSI)
9054 {
9055 arg[len++] = KS_EXTRA;
9056 arg[len++] = (int)KE_CSI;
9057 }
9058 # endif
9059 }
9060 arg[len] = NUL;
9061 }
9062 }
9063 }
9064 }
9065 #endif
9066
9067 /*
9068 * Save the current typeahead. This is required to allow using ":normal"
9069 * from an event handler and makes sure we don't hang when the argument
9070 * ends with half a command.
9071 */
9072 save_typeahead(&tabuf);
9073 if (tabuf.typebuf_valid)
9074 {
9075 /*
9076 * Repeat the :normal command for each line in the range. When no
9077 * range given, execute it just once, without positioning the cursor
9078 * first.
9079 */
9080 do
9081 {
9082 if (eap->addr_count != 0)
9083 {
9084 curwin->w_cursor.lnum = eap->line1++;
9085 curwin->w_cursor.col = 0;
9086 }
9087
9088 exec_normal_cmd(
9089 #ifdef FEAT_MBYTE
9090 arg != NULL ? arg :
9091 #endif
9092 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9093 }
9094 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9095 }
9096
9097 /* Might not return to the main loop when in an event handler. */
9098 update_topline_cursor();
9099
9100 /* Restore the previous typeahead. */
9101 restore_typeahead(&tabuf);
9102
9103 --ex_normal_busy;
9104 msg_scroll = save_msg_scroll;
9105 restart_edit = save_restart_edit;
9106 p_im = save_insertmode;
9107 finish_op = save_finish_op;
9108 opcount = save_opcount;
9109 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9110
9111 /* Restore the state (needed when called from a function executed for
9112 * 'indentexpr'). */
9113 State = save_State;
9114 #ifdef FEAT_MBYTE
9115 vim_free(arg);
9116 #endif
9117 }
9118
9119 /*
9120 * ":startinsert", ":startreplace" and ":startgreplace"
9121 */
9122 static void
9123 ex_startinsert(eap)
9124 exarg_T *eap;
9125 {
9126 if (eap->forceit)
9127 {
9128 coladvance((colnr_T)MAXCOL);
9129 curwin->w_curswant = MAXCOL;
9130 curwin->w_set_curswant = FALSE;
9131 }
9132
9133 /* Ignore the command when already in Insert mode. Inserting an
9134 * expression register that invokes a function can do this. */
9135 if (State & INSERT)
9136 return;
9137
9138 if (eap->cmdidx == CMD_startinsert)
9139 restart_edit = 'a';
9140 else if (eap->cmdidx == CMD_startreplace)
9141 restart_edit = 'R';
9142 else
9143 restart_edit = 'V';
9144
9145 if (!eap->forceit)
9146 {
9147 if (eap->cmdidx == CMD_startinsert)
9148 restart_edit = 'i';
9149 curwin->w_curswant = 0; /* avoid MAXCOL */
9150 }
9151 }
9152
9153 /*
9154 * ":stopinsert"
9155 */
9156 static void
9157 ex_stopinsert(eap)
9158 exarg_T *eap UNUSED;
9159 {
9160 restart_edit = 0;
9161 stop_insert_mode = TRUE;
9162 }
9163 #endif
9164
9165 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9166 /*
9167 * Execute normal mode command "cmd".
9168 * "remap" can be REMAP_NONE or REMAP_YES.
9169 */
9170 void
9171 exec_normal_cmd(cmd, remap, silent)
9172 char_u *cmd;
9173 int remap;
9174 int silent;
9175 {
9176 oparg_T oa;
9177
9178 /*
9179 * Stuff the argument into the typeahead buffer.
9180 * Execute normal_cmd() until there is no typeahead left.
9181 */
9182 clear_oparg(&oa);
9183 finish_op = FALSE;
9184 ins_typebuf(cmd, remap, 0, TRUE, silent);
9185 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9186 && !got_int)
9187 {
9188 update_topline_cursor();
9189 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9190 }
9191 }
9192 #endif
9193
9194 #ifdef FEAT_FIND_ID
9195 static void
9196 ex_checkpath(eap)
9197 exarg_T *eap;
9198 {
9199 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9200 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9201 (linenr_T)1, (linenr_T)MAXLNUM);
9202 }
9203
9204 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9205 /*
9206 * ":psearch"
9207 */
9208 static void
9209 ex_psearch(eap)
9210 exarg_T *eap;
9211 {
9212 g_do_tagpreview = p_pvh;
9213 ex_findpat(eap);
9214 g_do_tagpreview = 0;
9215 }
9216 #endif
9217
9218 static void
9219 ex_findpat(eap)
9220 exarg_T *eap;
9221 {
9222 int whole = TRUE;
9223 long n;
9224 char_u *p;
9225 int action;
9226
9227 switch (cmdnames[eap->cmdidx].cmd_name[2])
9228 {
9229 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9230 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9231 action = ACTION_GOTO;
9232 else
9233 action = ACTION_SHOW;
9234 break;
9235 case 'i': /* ":ilist" and ":dlist" */
9236 action = ACTION_SHOW_ALL;
9237 break;
9238 case 'u': /* ":ijump" and ":djump" */
9239 action = ACTION_GOTO;
9240 break;
9241 default: /* ":isplit" and ":dsplit" */
9242 action = ACTION_SPLIT;
9243 break;
9244 }
9245
9246 n = 1;
9247 if (vim_isdigit(*eap->arg)) /* get count */
9248 {
9249 n = getdigits(&eap->arg);
9250 eap->arg = skipwhite(eap->arg);
9251 }
9252 if (*eap->arg == '/') /* Match regexp, not just whole words */
9253 {
9254 whole = FALSE;
9255 ++eap->arg;
9256 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9257 if (*p)
9258 {
9259 *p++ = NUL;
9260 p = skipwhite(p);
9261
9262 /* Check for trailing illegal characters */
9263 if (!ends_excmd(*p))
9264 eap->errmsg = e_trailing;
9265 else
9266 eap->nextcmd = check_nextcmd(p);
9267 }
9268 }
9269 if (!eap->skip)
9270 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9271 whole, !eap->forceit,
9272 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9273 n, action, eap->line1, eap->line2);
9274 }
9275 #endif
9276
9277 #ifdef FEAT_WINDOWS
9278
9279 # ifdef FEAT_QUICKFIX
9280 /*
9281 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9282 */
9283 static void
9284 ex_ptag(eap)
9285 exarg_T *eap;
9286 {
9287 g_do_tagpreview = p_pvh;
9288 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9289 }
9290
9291 /*
9292 * ":pedit"
9293 */
9294 static void
9295 ex_pedit(eap)
9296 exarg_T *eap;
9297 {
9298 win_T *curwin_save = curwin;
9299
9300 g_do_tagpreview = p_pvh;
9301 prepare_tagpreview(TRUE);
9302 keep_help_flag = curwin_save->w_buffer->b_help;
9303 do_exedit(eap, NULL);
9304 keep_help_flag = FALSE;
9305 if (curwin != curwin_save && win_valid(curwin_save))
9306 {
9307 /* Return cursor to where we were */
9308 validate_cursor();
9309 redraw_later(VALID);
9310 win_enter(curwin_save, TRUE);
9311 }
9312 g_do_tagpreview = 0;
9313 }
9314 # endif
9315
9316 /*
9317 * ":stag", ":stselect" and ":stjump".
9318 */
9319 static void
9320 ex_stag(eap)
9321 exarg_T *eap;
9322 {
9323 postponed_split = -1;
9324 postponed_split_flags = cmdmod.split;
9325 postponed_split_tab = cmdmod.tab;
9326 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9327 postponed_split_flags = 0;
9328 postponed_split_tab = 0;
9329 }
9330 #endif
9331
9332 /*
9333 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9334 */
9335 static void
9336 ex_tag(eap)
9337 exarg_T *eap;
9338 {
9339 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9340 }
9341
9342 static void
9343 ex_tag_cmd(eap, name)
9344 exarg_T *eap;
9345 char_u *name;
9346 {
9347 int cmd;
9348
9349 switch (name[1])
9350 {
9351 case 'j': cmd = DT_JUMP; /* ":tjump" */
9352 break;
9353 case 's': cmd = DT_SELECT; /* ":tselect" */
9354 break;
9355 case 'p': cmd = DT_PREV; /* ":tprevious" */
9356 break;
9357 case 'N': cmd = DT_PREV; /* ":tNext" */
9358 break;
9359 case 'n': cmd = DT_NEXT; /* ":tnext" */
9360 break;
9361 case 'o': cmd = DT_POP; /* ":pop" */
9362 break;
9363 case 'f': /* ":tfirst" */
9364 case 'r': cmd = DT_FIRST; /* ":trewind" */
9365 break;
9366 case 'l': cmd = DT_LAST; /* ":tlast" */
9367 break;
9368 default: /* ":tag" */
9369 #ifdef FEAT_CSCOPE
9370 if (p_cst && *eap->arg != NUL)
9371 {
9372 do_cstag(eap);
9373 return;
9374 }
9375 #endif
9376 cmd = DT_TAG;
9377 break;
9378 }
9379
9380 if (name[0] == 'l')
9381 {
9382 #ifndef FEAT_QUICKFIX
9383 ex_ni(eap);
9384 return;
9385 #else
9386 cmd = DT_LTAG;
9387 #endif
9388 }
9389
9390 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9391 eap->forceit, TRUE);
9392 }
9393
9394 /*
9395 * Check "str" for starting with a special cmdline variable.
9396 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9397 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9398 */
9399 int
9400 find_cmdline_var(src, usedlen)
9401 char_u *src;
9402 int *usedlen;
9403 {
9404 int len;
9405 int i;
9406 static char *(spec_str[]) = {
9407 "%",
9408 #define SPEC_PERC 0
9409 "#",
9410 #define SPEC_HASH 1
9411 "<cword>", /* cursor word */
9412 #define SPEC_CWORD 2
9413 "<cWORD>", /* cursor WORD */
9414 #define SPEC_CCWORD 3
9415 "<cfile>", /* cursor path name */
9416 #define SPEC_CFILE 4
9417 "<sfile>", /* ":so" file name */
9418 #define SPEC_SFILE 5
9419 #ifdef FEAT_AUTOCMD
9420 "<afile>", /* autocommand file name */
9421 # define SPEC_AFILE 6
9422 "<abuf>", /* autocommand buffer number */
9423 # define SPEC_ABUF 7
9424 "<amatch>", /* autocommand match name */
9425 # define SPEC_AMATCH 8
9426 #endif
9427 #ifdef FEAT_CLIENTSERVER
9428 "<client>"
9429 # define SPEC_CLIENT 9
9430 #endif
9431 };
9432
9433 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9434 {
9435 len = (int)STRLEN(spec_str[i]);
9436 if (STRNCMP(src, spec_str[i], len) == 0)
9437 {
9438 *usedlen = len;
9439 return i;
9440 }
9441 }
9442 return -1;
9443 }
9444
9445 /*
9446 * Evaluate cmdline variables.
9447 *
9448 * change '%' to curbuf->b_ffname
9449 * '#' to curwin->w_altfile
9450 * '<cword>' to word under the cursor
9451 * '<cWORD>' to WORD under the cursor
9452 * '<cfile>' to path name under the cursor
9453 * '<sfile>' to sourced file name
9454 * '<afile>' to file name for autocommand
9455 * '<abuf>' to buffer number for autocommand
9456 * '<amatch>' to matching name for autocommand
9457 *
9458 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9459 * "" for error without a message) and NULL is returned.
9460 * Returns an allocated string if a valid match was found.
9461 * Returns NULL if no match was found. "usedlen" then still contains the
9462 * number of characters to skip.
9463 */
9464 char_u *
9465 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9466 char_u *src; /* pointer into commandline */
9467 char_u *srcstart; /* beginning of valid memory for src */
9468 int *usedlen; /* characters after src that are used */
9469 linenr_T *lnump; /* line number for :e command, or NULL */
9470 char_u **errormsg; /* pointer to error message */
9471 int *escaped; /* return value has escaped white space (can
9472 * be NULL) */
9473 {
9474 int i;
9475 char_u *s;
9476 char_u *result;
9477 char_u *resultbuf = NULL;
9478 int resultlen;
9479 buf_T *buf;
9480 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9481 int spec_idx;
9482 #ifdef FEAT_MODIFY_FNAME
9483 int skip_mod = FALSE;
9484 #endif
9485
9486 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9487 char_u strbuf[30];
9488 #endif
9489
9490 *errormsg = NULL;
9491 if (escaped != NULL)
9492 *escaped = FALSE;
9493
9494 /*
9495 * Check if there is something to do.
9496 */
9497 spec_idx = find_cmdline_var(src, usedlen);
9498 if (spec_idx < 0) /* no match */
9499 {
9500 *usedlen = 1;
9501 return NULL;
9502 }
9503
9504 /*
9505 * Skip when preceded with a backslash "\%" and "\#".
9506 * Note: In "\\%" the % is also not recognized!
9507 */
9508 if (src > srcstart && src[-1] == '\\')
9509 {
9510 *usedlen = 0;
9511 STRMOVE(src - 1, src); /* remove backslash */
9512 return NULL;
9513 }
9514
9515 /*
9516 * word or WORD under cursor
9517 */
9518 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9519 {
9520 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9521 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9522 if (resultlen == 0)
9523 {
9524 *errormsg = (char_u *)"";
9525 return NULL;
9526 }
9527 }
9528
9529 /*
9530 * '#': Alternate file name
9531 * '%': Current file name
9532 * File name under the cursor
9533 * File name for autocommand
9534 * and following modifiers
9535 */
9536 else
9537 {
9538 switch (spec_idx)
9539 {
9540 case SPEC_PERC: /* '%': current file */
9541 if (curbuf->b_fname == NULL)
9542 {
9543 result = (char_u *)"";
9544 valid = 0; /* Must have ":p:h" to be valid */
9545 }
9546 else
9547 #ifdef RISCOS
9548 /* Always use the full path for RISC OS if possible. */
9549 result = curbuf->b_ffname;
9550 if (result == NULL)
9551 result = curbuf->b_fname;
9552 #else
9553 result = curbuf->b_fname;
9554 #endif
9555 break;
9556
9557 case SPEC_HASH: /* '#' or "#99": alternate file */
9558 if (src[1] == '#') /* "##": the argument list */
9559 {
9560 result = arg_all();
9561 resultbuf = result;
9562 *usedlen = 2;
9563 if (escaped != NULL)
9564 *escaped = TRUE;
9565 #ifdef FEAT_MODIFY_FNAME
9566 skip_mod = TRUE;
9567 #endif
9568 break;
9569 }
9570 s = src + 1;
9571 if (*s == '<') /* "#<99" uses v:oldfiles */
9572 ++s;
9573 i = (int)getdigits(&s);
9574 *usedlen = (int)(s - src); /* length of what we expand */
9575
9576 if (src[1] == '<')
9577 {
9578 if (*usedlen < 2)
9579 {
9580 /* Should we give an error message for #<text? */
9581 *usedlen = 1;
9582 return NULL;
9583 }
9584 #ifdef FEAT_EVAL
9585 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9586 (long)i);
9587 if (result == NULL)
9588 {
9589 *errormsg = (char_u *)"";
9590 return NULL;
9591 }
9592 #else
9593 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9594 return NULL;
9595 #endif
9596 }
9597 else
9598 {
9599 buf = buflist_findnr(i);
9600 if (buf == NULL)
9601 {
9602 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9603 return NULL;
9604 }
9605 if (lnump != NULL)
9606 *lnump = ECMD_LAST;
9607 if (buf->b_fname == NULL)
9608 {
9609 result = (char_u *)"";
9610 valid = 0; /* Must have ":p:h" to be valid */
9611 }
9612 else
9613 result = buf->b_fname;
9614 }
9615 break;
9616
9617 #ifdef FEAT_SEARCHPATH
9618 case SPEC_CFILE: /* file name under cursor */
9619 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9620 if (result == NULL)
9621 {
9622 *errormsg = (char_u *)"";
9623 return NULL;
9624 }
9625 resultbuf = result; /* remember allocated string */
9626 break;
9627 #endif
9628
9629 #ifdef FEAT_AUTOCMD
9630 case SPEC_AFILE: /* file name for autocommand */
9631 result = autocmd_fname;
9632 if (result != NULL && !autocmd_fname_full)
9633 {
9634 /* Still need to turn the fname into a full path. It is
9635 * postponed to avoid a delay when <afile> is not used. */
9636 autocmd_fname_full = TRUE;
9637 result = FullName_save(autocmd_fname, FALSE);
9638 vim_free(autocmd_fname);
9639 autocmd_fname = result;
9640 }
9641 if (result == NULL)
9642 {
9643 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9644 return NULL;
9645 }
9646 result = shorten_fname1(result);
9647 break;
9648
9649 case SPEC_ABUF: /* buffer number for autocommand */
9650 if (autocmd_bufnr <= 0)
9651 {
9652 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9653 return NULL;
9654 }
9655 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9656 result = strbuf;
9657 break;
9658
9659 case SPEC_AMATCH: /* match name for autocommand */
9660 result = autocmd_match;
9661 if (result == NULL)
9662 {
9663 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9664 return NULL;
9665 }
9666 break;
9667
9668 #endif
9669 case SPEC_SFILE: /* file name for ":so" command */
9670 result = sourcing_name;
9671 if (result == NULL)
9672 {
9673 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9674 return NULL;
9675 }
9676 break;
9677 #if defined(FEAT_CLIENTSERVER)
9678 case SPEC_CLIENT: /* Source of last submitted input */
9679 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9680 (long_u)clientWindow);
9681 result = strbuf;
9682 break;
9683 #endif
9684 }
9685
9686 resultlen = (int)STRLEN(result); /* length of new string */
9687 if (src[*usedlen] == '<') /* remove the file name extension */
9688 {
9689 ++*usedlen;
9690 #ifdef RISCOS
9691 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9692 #else
9693 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9694 #endif
9695 resultlen = (int)(s - result);
9696 }
9697 #ifdef FEAT_MODIFY_FNAME
9698 else if (!skip_mod)
9699 {
9700 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9701 &resultlen);
9702 if (result == NULL)
9703 {
9704 *errormsg = (char_u *)"";
9705 return NULL;
9706 }
9707 }
9708 #endif
9709 }
9710
9711 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9712 {
9713 if (valid != VALID_HEAD + VALID_PATH)
9714 /* xgettext:no-c-format */
9715 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9716 else
9717 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9718 result = NULL;
9719 }
9720 else
9721 result = vim_strnsave(result, resultlen);
9722 vim_free(resultbuf);
9723 return result;
9724 }
9725
9726 /*
9727 * Concatenate all files in the argument list, separated by spaces, and return
9728 * it in one allocated string.
9729 * Spaces and backslashes in the file names are escaped with a backslash.
9730 * Returns NULL when out of memory.
9731 */
9732 static char_u *
9733 arg_all()
9734 {
9735 int len;
9736 int idx;
9737 char_u *retval = NULL;
9738 char_u *p;
9739
9740 /*
9741 * Do this loop two times:
9742 * first time: compute the total length
9743 * second time: concatenate the names
9744 */
9745 for (;;)
9746 {
9747 len = 0;
9748 for (idx = 0; idx < ARGCOUNT; ++idx)
9749 {
9750 p = alist_name(&ARGLIST[idx]);
9751 if (p != NULL)
9752 {
9753 if (len > 0)
9754 {
9755 /* insert a space in between names */
9756 if (retval != NULL)
9757 retval[len] = ' ';
9758 ++len;
9759 }
9760 for ( ; *p != NUL; ++p)
9761 {
9762 if (*p == ' ' || *p == '\\')
9763 {
9764 /* insert a backslash */
9765 if (retval != NULL)
9766 retval[len] = '\\';
9767 ++len;
9768 }
9769 if (retval != NULL)
9770 retval[len] = *p;
9771 ++len;
9772 }
9773 }
9774 }
9775
9776 /* second time: break here */
9777 if (retval != NULL)
9778 {
9779 retval[len] = NUL;
9780 break;
9781 }
9782
9783 /* allocate memory */
9784 retval = alloc((unsigned)len + 1);
9785 if (retval == NULL)
9786 break;
9787 }
9788
9789 return retval;
9790 }
9791
9792 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9793 /*
9794 * Expand the <sfile> string in "arg".
9795 *
9796 * Returns an allocated string, or NULL for any error.
9797 */
9798 char_u *
9799 expand_sfile(arg)
9800 char_u *arg;
9801 {
9802 char_u *errormsg;
9803 int len;
9804 char_u *result;
9805 char_u *newres;
9806 char_u *repl;
9807 int srclen;
9808 char_u *p;
9809
9810 result = vim_strsave(arg);
9811 if (result == NULL)
9812 return NULL;
9813
9814 for (p = result; *p; )
9815 {
9816 if (STRNCMP(p, "<sfile>", 7) != 0)
9817 ++p;
9818 else
9819 {
9820 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9821 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9822 if (errormsg != NULL)
9823 {
9824 if (*errormsg)
9825 emsg(errormsg);
9826 vim_free(result);
9827 return NULL;
9828 }
9829 if (repl == NULL) /* no match (cannot happen) */
9830 {
9831 p += srclen;
9832 continue;
9833 }
9834 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9835 newres = alloc(len);
9836 if (newres == NULL)
9837 {
9838 vim_free(repl);
9839 vim_free(result);
9840 return NULL;
9841 }
9842 mch_memmove(newres, result, (size_t)(p - result));
9843 STRCPY(newres + (p - result), repl);
9844 len = (int)STRLEN(newres);
9845 STRCAT(newres, p + srclen);
9846 vim_free(repl);
9847 vim_free(result);
9848 result = newres;
9849 p = newres + len; /* continue after the match */
9850 }
9851 }
9852
9853 return result;
9854 }
9855 #endif
9856
9857 #ifdef FEAT_SESSION
9858 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9859 win_T *tab_firstwin));
9860 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9861 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9862 static int ses_do_frame __ARGS((frame_T *fr));
9863 static int ses_do_win __ARGS((win_T *wp));
9864 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9865 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9866 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9867
9868 /*
9869 * Write openfile commands for the current buffers to an .exrc file.
9870 * Return FAIL on error, OK otherwise.
9871 */
9872 static int
9873 makeopens(fd, dirnow)
9874 FILE *fd;
9875 char_u *dirnow; /* Current directory name */
9876 {
9877 buf_T *buf;
9878 int only_save_windows = TRUE;
9879 int nr;
9880 int cnr = 1;
9881 int restore_size = TRUE;
9882 win_T *wp;
9883 char_u *sname;
9884 win_T *edited_win = NULL;
9885 int tabnr;
9886 win_T *tab_firstwin;
9887 frame_T *tab_topframe;
9888 int cur_arg_idx = 0;
9889 int next_arg_idx = 0;
9890
9891 if (ssop_flags & SSOP_BUFFERS)
9892 only_save_windows = FALSE; /* Save ALL buffers */
9893
9894 /*
9895 * Begin by setting the this_session variable, and then other
9896 * sessionable variables.
9897 */
9898 #ifdef FEAT_EVAL
9899 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9900 return FAIL;
9901 if (ssop_flags & SSOP_GLOBALS)
9902 if (store_session_globals(fd) == FAIL)
9903 return FAIL;
9904 #endif
9905
9906 /*
9907 * Close all windows but one.
9908 */
9909 if (put_line(fd, "silent only") == FAIL)
9910 return FAIL;
9911
9912 /*
9913 * Now a :cd command to the session directory or the current directory
9914 */
9915 if (ssop_flags & SSOP_SESDIR)
9916 {
9917 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9918 == FAIL)
9919 return FAIL;
9920 }
9921 else if (ssop_flags & SSOP_CURDIR)
9922 {
9923 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9924 if (sname == NULL
9925 || fputs("cd ", fd) < 0
9926 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9927 || put_eol(fd) == FAIL)
9928 {
9929 vim_free(sname);
9930 return FAIL;
9931 }
9932 vim_free(sname);
9933 }
9934
9935 /*
9936 * If there is an empty, unnamed buffer we will wipe it out later.
9937 * Remember the buffer number.
9938 */
9939 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9940 return FAIL;
9941 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9942 return FAIL;
9943 if (put_line(fd, "endif") == FAIL)
9944 return FAIL;
9945
9946 /*
9947 * Now save the current files, current buffer first.
9948 */
9949 if (put_line(fd, "set shortmess=aoO") == FAIL)
9950 return FAIL;
9951
9952 /* Now put the other buffers into the buffer list */
9953 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9954 {
9955 if (!(only_save_windows && buf->b_nwindows == 0)
9956 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9957 && buf->b_fname != NULL
9958 && buf->b_p_bl)
9959 {
9960 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9961 : buf->b_wininfo->wi_fpos.lnum) < 0
9962 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9963 return FAIL;
9964 }
9965 }
9966
9967 /* the global argument list */
9968 if (ses_arglist(fd, "args", &global_alist.al_ga,
9969 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9970 return FAIL;
9971
9972 if (ssop_flags & SSOP_RESIZE)
9973 {
9974 /* Note: after the restore we still check it worked!*/
9975 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9976 || put_eol(fd) == FAIL)
9977 return FAIL;
9978 }
9979
9980 #ifdef FEAT_GUI
9981 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9982 {
9983 int x, y;
9984
9985 if (gui_mch_get_winpos(&x, &y) == OK)
9986 {
9987 /* Note: after the restore we still check it worked!*/
9988 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9989 return FAIL;
9990 }
9991 }
9992 #endif
9993
9994 /*
9995 * May repeat putting Windows for each tab, when "tabpages" is in
9996 * 'sessionoptions'.
9997 * Don't use goto_tabpage(), it may change directory and trigger
9998 * autocommands.
9999 */
10000 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10001 tab_topframe = topframe;
10002 for (tabnr = 1; ; ++tabnr)
10003 {
10004 int need_tabnew = FALSE;
10005
10006 if ((ssop_flags & SSOP_TABPAGES))
10007 {
10008 tabpage_T *tp = find_tabpage(tabnr);
10009
10010 if (tp == NULL)
10011 break; /* done all tab pages */
10012 if (tp == curtab)
10013 {
10014 tab_firstwin = firstwin;
10015 tab_topframe = topframe;
10016 }
10017 else
10018 {
10019 tab_firstwin = tp->tp_firstwin;
10020 tab_topframe = tp->tp_topframe;
10021 }
10022 if (tabnr > 1)
10023 need_tabnew = TRUE;
10024 }
10025
10026 /*
10027 * Before creating the window layout, try loading one file. If this
10028 * is aborted we don't end up with a number of useless windows.
10029 * This may have side effects! (e.g., compressed or network file).
10030 */
10031 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10032 {
10033 if (ses_do_win(wp)
10034 && wp->w_buffer->b_ffname != NULL
10035 && !wp->w_buffer->b_help
10036 #ifdef FEAT_QUICKFIX
10037 && !bt_nofile(wp->w_buffer)
10038 #endif
10039 )
10040 {
10041 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10042 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10043 return FAIL;
10044 need_tabnew = FALSE;
10045 if (!wp->w_arg_idx_invalid)
10046 edited_win = wp;
10047 break;
10048 }
10049 }
10050
10051 /* If no file got edited create an empty tab page. */
10052 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10053 return FAIL;
10054
10055 /*
10056 * Save current window layout.
10057 */
10058 if (put_line(fd, "set splitbelow splitright") == FAIL)
10059 return FAIL;
10060 if (ses_win_rec(fd, tab_topframe) == FAIL)
10061 return FAIL;
10062 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10063 return FAIL;
10064 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10065 return FAIL;
10066
10067 /*
10068 * Check if window sizes can be restored (no windows omitted).
10069 * Remember the window number of the current window after restoring.
10070 */
10071 nr = 0;
10072 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10073 {
10074 if (ses_do_win(wp))
10075 ++nr;
10076 else
10077 restore_size = FALSE;
10078 if (curwin == wp)
10079 cnr = nr;
10080 }
10081
10082 /* Go to the first window. */
10083 if (put_line(fd, "wincmd t") == FAIL)
10084 return FAIL;
10085
10086 /*
10087 * If more than one window, see if sizes can be restored.
10088 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10089 * resized when moving between windows.
10090 * Do this before restoring the view, so that the topline and the
10091 * cursor can be set. This is done again below.
10092 */
10093 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10094 return FAIL;
10095 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10096 return FAIL;
10097
10098 /*
10099 * Restore the view of the window (options, file, cursor, etc.).
10100 */
10101 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10102 {
10103 if (!ses_do_win(wp))
10104 continue;
10105 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10106 cur_arg_idx) == FAIL)
10107 return FAIL;
10108 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10109 return FAIL;
10110 next_arg_idx = wp->w_arg_idx;
10111 }
10112
10113 /* The argument index in the first tab page is zero, need to set it in
10114 * each window. For further tab pages it's the window where we do
10115 * "tabedit". */
10116 cur_arg_idx = next_arg_idx;
10117
10118 /*
10119 * Restore cursor to the current window if it's not the first one.
10120 */
10121 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10122 || put_eol(fd) == FAIL))
10123 return FAIL;
10124
10125 /*
10126 * Restore window sizes again after jumping around in windows, because
10127 * the current window has a minimum size while others may not.
10128 */
10129 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10130 return FAIL;
10131
10132 /* Don't continue in another tab page when doing only the current one
10133 * or when at the last tab page. */
10134 if (!(ssop_flags & SSOP_TABPAGES))
10135 break;
10136 }
10137
10138 if (ssop_flags & SSOP_TABPAGES)
10139 {
10140 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10141 || put_eol(fd) == FAIL)
10142 return FAIL;
10143 }
10144
10145 /*
10146 * Wipe out an empty unnamed buffer we started in.
10147 */
10148 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10149 return FAIL;
10150 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10151 return FAIL;
10152 if (put_line(fd, "endif") == FAIL)
10153 return FAIL;
10154 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10155 return FAIL;
10156
10157 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10158 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10159 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10160 return FAIL;
10161
10162 /*
10163 * Lastly, execute the x.vim file if it exists.
10164 */
10165 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10166 || put_line(fd, "if file_readable(s:sx)") == FAIL
10167 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10168 || put_line(fd, "endif") == FAIL)
10169 return FAIL;
10170
10171 return OK;
10172 }
10173
10174 static int
10175 ses_winsizes(fd, restore_size, tab_firstwin)
10176 FILE *fd;
10177 int restore_size;
10178 win_T *tab_firstwin;
10179 {
10180 int n = 0;
10181 win_T *wp;
10182
10183 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10184 {
10185 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10186 {
10187 if (!ses_do_win(wp))
10188 continue;
10189 ++n;
10190
10191 /* restore height when not full height */
10192 if (wp->w_height + wp->w_status_height < topframe->fr_height
10193 && (fprintf(fd,
10194 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10195 n, (long)wp->w_height, Rows / 2, Rows) < 0
10196 || put_eol(fd) == FAIL))
10197 return FAIL;
10198
10199 /* restore width when not full width */
10200 if (wp->w_width < Columns && (fprintf(fd,
10201 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10202 n, (long)wp->w_width, Columns / 2, Columns) < 0
10203 || put_eol(fd) == FAIL))
10204 return FAIL;
10205 }
10206 }
10207 else
10208 {
10209 /* Just equalise window sizes */
10210 if (put_line(fd, "wincmd =") == FAIL)
10211 return FAIL;
10212 }
10213 return OK;
10214 }
10215
10216 /*
10217 * Write commands to "fd" to recursively create windows for frame "fr",
10218 * horizontally and vertically split.
10219 * After the commands the last window in the frame is the current window.
10220 * Returns FAIL when writing the commands to "fd" fails.
10221 */
10222 static int
10223 ses_win_rec(fd, fr)
10224 FILE *fd;
10225 frame_T *fr;
10226 {
10227 frame_T *frc;
10228 int count = 0;
10229
10230 if (fr->fr_layout != FR_LEAF)
10231 {
10232 /* Find first frame that's not skipped and then create a window for
10233 * each following one (first frame is already there). */
10234 frc = ses_skipframe(fr->fr_child);
10235 if (frc != NULL)
10236 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10237 {
10238 /* Make window as big as possible so that we have lots of room
10239 * to split. */
10240 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10241 || put_line(fd, fr->fr_layout == FR_COL
10242 ? "split" : "vsplit") == FAIL)
10243 return FAIL;
10244 ++count;
10245 }
10246
10247 /* Go back to the first window. */
10248 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10249 ? "%dwincmd k" : "%dwincmd h", count) < 0
10250 || put_eol(fd) == FAIL))
10251 return FAIL;
10252
10253 /* Recursively create frames/windows in each window of this column or
10254 * row. */
10255 frc = ses_skipframe(fr->fr_child);
10256 while (frc != NULL)
10257 {
10258 ses_win_rec(fd, frc);
10259 frc = ses_skipframe(frc->fr_next);
10260 /* Go to next window. */
10261 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10262 return FAIL;
10263 }
10264 }
10265 return OK;
10266 }
10267
10268 /*
10269 * Skip frames that don't contain windows we want to save in the Session.
10270 * Returns NULL when there none.
10271 */
10272 static frame_T *
10273 ses_skipframe(fr)
10274 frame_T *fr;
10275 {
10276 frame_T *frc;
10277
10278 for (frc = fr; frc != NULL; frc = frc->fr_next)
10279 if (ses_do_frame(frc))
10280 break;
10281 return frc;
10282 }
10283
10284 /*
10285 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10286 * the Session.
10287 */
10288 static int
10289 ses_do_frame(fr)
10290 frame_T *fr;
10291 {
10292 frame_T *frc;
10293
10294 if (fr->fr_layout == FR_LEAF)
10295 return ses_do_win(fr->fr_win);
10296 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10297 if (ses_do_frame(frc))
10298 return TRUE;
10299 return FALSE;
10300 }
10301
10302 /*
10303 * Return non-zero if window "wp" is to be stored in the Session.
10304 */
10305 static int
10306 ses_do_win(wp)
10307 win_T *wp;
10308 {
10309 if (wp->w_buffer->b_fname == NULL
10310 #ifdef FEAT_QUICKFIX
10311 /* When 'buftype' is "nofile" can't restore the window contents. */
10312 || bt_nofile(wp->w_buffer)
10313 #endif
10314 )
10315 return (ssop_flags & SSOP_BLANK);
10316 if (wp->w_buffer->b_help)
10317 return (ssop_flags & SSOP_HELP);
10318 return TRUE;
10319 }
10320
10321 /*
10322 * Write commands to "fd" to restore the view of a window.
10323 * Caller must make sure 'scrolloff' is zero.
10324 */
10325 static int
10326 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10327 FILE *fd;
10328 win_T *wp;
10329 int add_edit; /* add ":edit" command to view */
10330 unsigned *flagp; /* vop_flags or ssop_flags */
10331 int current_arg_idx; /* current argument index of the window, use
10332 * -1 if unknown */
10333 {
10334 win_T *save_curwin;
10335 int f;
10336 int do_cursor;
10337 int did_next = FALSE;
10338
10339 /* Always restore cursor position for ":mksession". For ":mkview" only
10340 * when 'viewoptions' contains "cursor". */
10341 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10342
10343 /*
10344 * Local argument list.
10345 */
10346 if (wp->w_alist == &global_alist)
10347 {
10348 if (put_line(fd, "argglobal") == FAIL)
10349 return FAIL;
10350 }
10351 else
10352 {
10353 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10354 flagp == &vop_flags
10355 || !(*flagp & SSOP_CURDIR)
10356 || wp->w_localdir != NULL, flagp) == FAIL)
10357 return FAIL;
10358 }
10359
10360 /* Only when part of a session: restore the argument index. Some
10361 * arguments may have been deleted, check if the index is valid. */
10362 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10363 && flagp == &ssop_flags)
10364 {
10365 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10366 || put_eol(fd) == FAIL)
10367 return FAIL;
10368 did_next = TRUE;
10369 }
10370
10371 /* Edit the file. Skip this when ":next" already did it. */
10372 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10373 {
10374 /*
10375 * Load the file.
10376 */
10377 if (wp->w_buffer->b_ffname != NULL
10378 #ifdef FEAT_QUICKFIX
10379 && !bt_nofile(wp->w_buffer)
10380 #endif
10381 )
10382 {
10383 /*
10384 * Editing a file in this buffer: use ":edit file".
10385 * This may have side effects! (e.g., compressed or network file).
10386 */
10387 if (fputs("edit ", fd) < 0
10388 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10389 return FAIL;
10390 }
10391 else
10392 {
10393 /* No file in this buffer, just make it empty. */
10394 if (put_line(fd, "enew") == FAIL)
10395 return FAIL;
10396 #ifdef FEAT_QUICKFIX
10397 if (wp->w_buffer->b_ffname != NULL)
10398 {
10399 /* The buffer does have a name, but it's not a file name. */
10400 if (fputs("file ", fd) < 0
10401 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10402 return FAIL;
10403 }
10404 #endif
10405 do_cursor = FALSE;
10406 }
10407 }
10408
10409 /*
10410 * Local mappings and abbreviations.
10411 */
10412 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10413 && makemap(fd, wp->w_buffer) == FAIL)
10414 return FAIL;
10415
10416 /*
10417 * Local options. Need to go to the window temporarily.
10418 * Store only local values when using ":mkview" and when ":mksession" is
10419 * used and 'sessionoptions' doesn't include "options".
10420 * Some folding options are always stored when "folds" is included,
10421 * otherwise the folds would not be restored correctly.
10422 */
10423 save_curwin = curwin;
10424 curwin = wp;
10425 curbuf = curwin->w_buffer;
10426 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10427 f = makeset(fd, OPT_LOCAL,
10428 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10429 #ifdef FEAT_FOLDING
10430 else if (*flagp & SSOP_FOLDS)
10431 f = makefoldset(fd);
10432 #endif
10433 else
10434 f = OK;
10435 curwin = save_curwin;
10436 curbuf = curwin->w_buffer;
10437 if (f == FAIL)
10438 return FAIL;
10439
10440 #ifdef FEAT_FOLDING
10441 /*
10442 * Save Folds when 'buftype' is empty and for help files.
10443 */
10444 if ((*flagp & SSOP_FOLDS)
10445 && wp->w_buffer->b_ffname != NULL
10446 # ifdef FEAT_QUICKFIX
10447 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10448 # endif
10449 )
10450 {
10451 if (put_folds(fd, wp) == FAIL)
10452 return FAIL;
10453 }
10454 #endif
10455
10456 /*
10457 * Set the cursor after creating folds, since that moves the cursor.
10458 */
10459 if (do_cursor)
10460 {
10461
10462 /* Restore the cursor line in the file and relatively in the
10463 * window. Don't use "G", it changes the jumplist. */
10464 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10465 (long)wp->w_cursor.lnum,
10466 (long)(wp->w_cursor.lnum - wp->w_topline),
10467 (long)wp->w_height / 2, (long)wp->w_height) < 0
10468 || put_eol(fd) == FAIL
10469 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10470 || put_line(fd, "exe s:l") == FAIL
10471 || put_line(fd, "normal! zt") == FAIL
10472 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10473 || put_eol(fd) == FAIL)
10474 return FAIL;
10475 /* Restore the cursor column and left offset when not wrapping. */
10476 if (wp->w_cursor.col == 0)
10477 {
10478 if (put_line(fd, "normal! 0") == FAIL)
10479 return FAIL;
10480 }
10481 else
10482 {
10483 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10484 {
10485 if (fprintf(fd,
10486 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10487 (long)wp->w_cursor.col,
10488 (long)(wp->w_cursor.col - wp->w_leftcol),
10489 (long)wp->w_width / 2, (long)wp->w_width) < 0
10490 || put_eol(fd) == FAIL
10491 || put_line(fd, "if s:c > 0") == FAIL
10492 || fprintf(fd,
10493 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10494 (long)wp->w_cursor.col) < 0
10495 || put_eol(fd) == FAIL
10496 || put_line(fd, "else") == FAIL
10497 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10498 || put_eol(fd) == FAIL
10499 || put_line(fd, "endif") == FAIL)
10500 return FAIL;
10501 }
10502 else
10503 {
10504 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10505 || put_eol(fd) == FAIL)
10506 return FAIL;
10507 }
10508 }
10509 }
10510
10511 /*
10512 * Local directory.
10513 */
10514 if (wp->w_localdir != NULL)
10515 {
10516 if (fputs("lcd ", fd) < 0
10517 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10518 || put_eol(fd) == FAIL)
10519 return FAIL;
10520 did_lcd = TRUE;
10521 }
10522
10523 return OK;
10524 }
10525
10526 /*
10527 * Write an argument list to the session file.
10528 * Returns FAIL if writing fails.
10529 */
10530 static int
10531 ses_arglist(fd, cmd, gap, fullname, flagp)
10532 FILE *fd;
10533 char *cmd;
10534 garray_T *gap;
10535 int fullname; /* TRUE: use full path name */
10536 unsigned *flagp;
10537 {
10538 int i;
10539 char_u buf[MAXPATHL];
10540 char_u *s;
10541
10542 if (gap->ga_len == 0)
10543 return put_line(fd, "silent! argdel *");
10544 if (fputs(cmd, fd) < 0)
10545 return FAIL;
10546 for (i = 0; i < gap->ga_len; ++i)
10547 {
10548 /* NULL file names are skipped (only happens when out of memory). */
10549 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10550 if (s != NULL)
10551 {
10552 if (fullname)
10553 {
10554 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10555 s = buf;
10556 }
10557 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10558 return FAIL;
10559 }
10560 }
10561 return put_eol(fd);
10562 }
10563
10564 /*
10565 * Write a buffer name to the session file.
10566 * Also ends the line.
10567 * Returns FAIL if writing fails.
10568 */
10569 static int
10570 ses_fname(fd, buf, flagp)
10571 FILE *fd;
10572 buf_T *buf;
10573 unsigned *flagp;
10574 {
10575 char_u *name;
10576
10577 /* Use the short file name if the current directory is known at the time
10578 * the session file will be sourced.
10579 * Don't do this for ":mkview", we don't know the current directory.
10580 * Don't do this after ":lcd", we don't keep track of what the current
10581 * directory is. */
10582 if (buf->b_sfname != NULL
10583 && flagp == &ssop_flags
10584 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10585 #ifdef FEAT_AUTOCHDIR
10586 && !p_acd
10587 #endif
10588 && !did_lcd)
10589 name = buf->b_sfname;
10590 else
10591 name = buf->b_ffname;
10592 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10593 return FAIL;
10594 return OK;
10595 }
10596
10597 /*
10598 * Write a file name to the session file.
10599 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10600 * characters.
10601 * Returns FAIL if writing fails.
10602 */
10603 static int
10604 ses_put_fname(fd, name, flagp)
10605 FILE *fd;
10606 char_u *name;
10607 unsigned *flagp;
10608 {
10609 char_u *sname;
10610 int retval = OK;
10611 int c;
10612
10613 sname = home_replace_save(NULL, name);
10614 if (sname != NULL)
10615 name = sname;
10616 while (*name != NUL)
10617 {
10618 #ifdef FEAT_MBYTE
10619 {
10620 int l;
10621
10622 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10623 {
10624 /* copy a multibyte char */
10625 while (--l >= 0)
10626 {
10627 if (putc(*name, fd) != *name)
10628 retval = FAIL;
10629 ++name;
10630 }
10631 continue;
10632 }
10633 }
10634 #endif
10635 c = *name++;
10636 if (c == '\\' && (*flagp & SSOP_SLASH))
10637 /* change a backslash to a forward slash */
10638 c = '/';
10639 else if ((vim_strchr(escape_chars, c) != NULL
10640 #ifdef BACKSLASH_IN_FILENAME
10641 && c != '\\'
10642 #endif
10643 ) || c == '#' || c == '%')
10644 {
10645 /* escape a special character with a backslash */
10646 if (putc('\\', fd) != '\\')
10647 retval = FAIL;
10648 }
10649 if (putc(c, fd) != c)
10650 retval = FAIL;
10651 }
10652 vim_free(sname);
10653 return retval;
10654 }
10655
10656 /*
10657 * ":loadview [nr]"
10658 */
10659 static void
10660 ex_loadview(eap)
10661 exarg_T *eap;
10662 {
10663 char_u *fname;
10664
10665 fname = get_view_file(*eap->arg);
10666 if (fname != NULL)
10667 {
10668 do_source(fname, FALSE, DOSO_NONE);
10669 vim_free(fname);
10670 }
10671 }
10672
10673 /*
10674 * Get the name of the view file for the current buffer.
10675 */
10676 static char_u *
10677 get_view_file(c)
10678 int c;
10679 {
10680 int len = 0;
10681 char_u *p, *s;
10682 char_u *retval;
10683 char_u *sname;
10684
10685 if (curbuf->b_ffname == NULL)
10686 {
10687 EMSG(_(e_noname));
10688 return NULL;
10689 }
10690 sname = home_replace_save(NULL, curbuf->b_ffname);
10691 if (sname == NULL)
10692 return NULL;
10693
10694 /*
10695 * We want a file name without separators, because we're not going to make
10696 * a directory.
10697 * "normal" path separator -> "=+"
10698 * "=" -> "=="
10699 * ":" path separator -> "=-"
10700 */
10701 for (p = sname; *p; ++p)
10702 if (*p == '=' || vim_ispathsep(*p))
10703 ++len;
10704 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10705 if (retval != NULL)
10706 {
10707 STRCPY(retval, p_vdir);
10708 add_pathsep(retval);
10709 s = retval + STRLEN(retval);
10710 for (p = sname; *p; ++p)
10711 {
10712 if (*p == '=')
10713 {
10714 *s++ = '=';
10715 *s++ = '=';
10716 }
10717 else if (vim_ispathsep(*p))
10718 {
10719 *s++ = '=';
10720 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10721 || defined(VMS)
10722 if (*p == ':')
10723 *s++ = '-';
10724 else
10725 #endif
10726 *s++ = '+';
10727 }
10728 else
10729 *s++ = *p;
10730 }
10731 *s++ = '=';
10732 *s++ = c;
10733 STRCPY(s, ".vim");
10734 }
10735
10736 vim_free(sname);
10737 return retval;
10738 }
10739
10740 #endif /* FEAT_SESSION */
10741
10742 /*
10743 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10744 * Return FAIL for a write error.
10745 */
10746 int
10747 put_eol(fd)
10748 FILE *fd;
10749 {
10750 if (
10751 #ifdef USE_CRNL
10752 (
10753 # ifdef MKSESSION_NL
10754 !mksession_nl &&
10755 # endif
10756 (putc('\r', fd) < 0)) ||
10757 #endif
10758 (putc('\n', fd) < 0))
10759 return FAIL;
10760 return OK;
10761 }
10762
10763 /*
10764 * Write a line to "fd".
10765 * Return FAIL for a write error.
10766 */
10767 int
10768 put_line(fd, s)
10769 FILE *fd;
10770 char *s;
10771 {
10772 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10773 return FAIL;
10774 return OK;
10775 }
10776
10777 #ifdef FEAT_VIMINFO
10778 /*
10779 * ":rviminfo" and ":wviminfo".
10780 */
10781 static void
10782 ex_viminfo(eap)
10783 exarg_T *eap;
10784 {
10785 char_u *save_viminfo;
10786
10787 save_viminfo = p_viminfo;
10788 if (*p_viminfo == NUL)
10789 p_viminfo = (char_u *)"'100";
10790 if (eap->cmdidx == CMD_rviminfo)
10791 {
10792 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10793 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10794 EMSG(_("E195: Cannot open viminfo file for reading"));
10795 }
10796 else
10797 write_viminfo(eap->arg, eap->forceit);
10798 p_viminfo = save_viminfo;
10799 }
10800 #endif
10801
10802 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10803 /*
10804 * Make a dialog message in "buff[IOSIZE]".
10805 * "format" must contain "%s".
10806 */
10807 void
10808 dialog_msg(buff, format, fname)
10809 char_u *buff;
10810 char *format;
10811 char_u *fname;
10812 {
10813 if (fname == NULL)
10814 fname = (char_u *)_("Untitled");
10815 vim_snprintf((char *)buff, IOSIZE, format, fname);
10816 }
10817 #endif
10818
10819 /*
10820 * ":behave {mswin,xterm}"
10821 */
10822 static void
10823 ex_behave(eap)
10824 exarg_T *eap;
10825 {
10826 if (STRCMP(eap->arg, "mswin") == 0)
10827 {
10828 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10829 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10830 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10831 set_option_value((char_u *)"keymodel", 0L,
10832 (char_u *)"startsel,stopsel", 0);
10833 }
10834 else if (STRCMP(eap->arg, "xterm") == 0)
10835 {
10836 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10837 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10838 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10839 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10840 }
10841 else
10842 EMSG2(_(e_invarg2), eap->arg);
10843 }
10844
10845 #ifdef FEAT_AUTOCMD
10846 static int filetype_detect = FALSE;
10847 static int filetype_plugin = FALSE;
10848 static int filetype_indent = FALSE;
10849
10850 /*
10851 * ":filetype [plugin] [indent] {on,off,detect}"
10852 * on: Load the filetype.vim file to install autocommands for file types.
10853 * off: Load the ftoff.vim file to remove all autocommands for file types.
10854 * plugin on: load filetype.vim and ftplugin.vim
10855 * plugin off: load ftplugof.vim
10856 * indent on: load filetype.vim and indent.vim
10857 * indent off: load indoff.vim
10858 */
10859 static void
10860 ex_filetype(eap)
10861 exarg_T *eap;
10862 {
10863 char_u *arg = eap->arg;
10864 int plugin = FALSE;
10865 int indent = FALSE;
10866
10867 if (*eap->arg == NUL)
10868 {
10869 /* Print current status. */
10870 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10871 filetype_detect ? "ON" : "OFF",
10872 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10873 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10874 return;
10875 }
10876
10877 /* Accept "plugin" and "indent" in any order. */
10878 for (;;)
10879 {
10880 if (STRNCMP(arg, "plugin", 6) == 0)
10881 {
10882 plugin = TRUE;
10883 arg = skipwhite(arg + 6);
10884 continue;
10885 }
10886 if (STRNCMP(arg, "indent", 6) == 0)
10887 {
10888 indent = TRUE;
10889 arg = skipwhite(arg + 6);
10890 continue;
10891 }
10892 break;
10893 }
10894 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10895 {
10896 if (*arg == 'o' || !filetype_detect)
10897 {
10898 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10899 filetype_detect = TRUE;
10900 if (plugin)
10901 {
10902 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10903 filetype_plugin = TRUE;
10904 }
10905 if (indent)
10906 {
10907 source_runtime((char_u *)INDENT_FILE, TRUE);
10908 filetype_indent = TRUE;
10909 }
10910 }
10911 if (*arg == 'd')
10912 {
10913 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10914 do_modelines(0);
10915 }
10916 }
10917 else if (STRCMP(arg, "off") == 0)
10918 {
10919 if (plugin || indent)
10920 {
10921 if (plugin)
10922 {
10923 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10924 filetype_plugin = FALSE;
10925 }
10926 if (indent)
10927 {
10928 source_runtime((char_u *)INDOFF_FILE, TRUE);
10929 filetype_indent = FALSE;
10930 }
10931 }
10932 else
10933 {
10934 source_runtime((char_u *)FTOFF_FILE, TRUE);
10935 filetype_detect = FALSE;
10936 }
10937 }
10938 else
10939 EMSG2(_(e_invarg2), arg);
10940 }
10941
10942 /*
10943 * ":setfiletype {name}"
10944 */
10945 static void
10946 ex_setfiletype(eap)
10947 exarg_T *eap;
10948 {
10949 if (!did_filetype)
10950 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10951 }
10952 #endif
10953
10954 static void
10955 ex_digraphs(eap)
10956 exarg_T *eap UNUSED;
10957 {
10958 #ifdef FEAT_DIGRAPHS
10959 if (*eap->arg != NUL)
10960 putdigraph(eap->arg);
10961 else
10962 listdigraphs();
10963 #else
10964 EMSG(_("E196: No digraphs in this version"));
10965 #endif
10966 }
10967
10968 static void
10969 ex_set(eap)
10970 exarg_T *eap;
10971 {
10972 int flags = 0;
10973
10974 if (eap->cmdidx == CMD_setlocal)
10975 flags = OPT_LOCAL;
10976 else if (eap->cmdidx == CMD_setglobal)
10977 flags = OPT_GLOBAL;
10978 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10979 if (cmdmod.browse && flags == 0)
10980 ex_options(eap);
10981 else
10982 #endif
10983 (void)do_set(eap->arg, flags);
10984 }
10985
10986 #ifdef FEAT_SEARCH_EXTRA
10987 /*
10988 * ":nohlsearch"
10989 */
10990 static void
10991 ex_nohlsearch(eap)
10992 exarg_T *eap UNUSED;
10993 {
10994 no_hlsearch = TRUE;
10995 redraw_all_later(SOME_VALID);
10996 }
10997
10998 /*
10999 * ":[N]match {group} {pattern}"
11000 * Sets nextcmd to the start of the next command, if any. Also called when
11001 * skipping commands to find the next command.
11002 */
11003 static void
11004 ex_match(eap)
11005 exarg_T *eap;
11006 {
11007 char_u *p;
11008 char_u *g = NULL;
11009 char_u *end;
11010 int c;
11011 int id;
11012
11013 if (eap->line2 <= 3)
11014 id = eap->line2;
11015 else
11016 {
11017 EMSG(e_invcmd);
11018 return;
11019 }
11020
11021 /* First clear any old pattern. */
11022 if (!eap->skip)
11023 match_delete(curwin, id, FALSE);
11024
11025 if (ends_excmd(*eap->arg))
11026 end = eap->arg;
11027 else if ((STRNICMP(eap->arg, "none", 4) == 0
11028 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11029 end = eap->arg + 4;
11030 else
11031 {
11032 p = skiptowhite(eap->arg);
11033 if (!eap->skip)
11034 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11035 p = skipwhite(p);
11036 if (*p == NUL)
11037 {
11038 /* There must be two arguments. */
11039 EMSG2(_(e_invarg2), eap->arg);
11040 return;
11041 }
11042 end = skip_regexp(p + 1, *p, TRUE, NULL);
11043 if (!eap->skip)
11044 {
11045 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11046 {
11047 eap->errmsg = e_trailing;
11048 return;
11049 }
11050 if (*end != *p)
11051 {
11052 EMSG2(_(e_invarg2), p);
11053 return;
11054 }
11055
11056 c = *end;
11057 *end = NUL;
11058 match_add(curwin, g, p + 1, 10, id);
11059 vim_free(g);
11060 *end = c;
11061 }
11062 }
11063 eap->nextcmd = find_nextcmd(end);
11064 }
11065 #endif
11066
11067 #ifdef FEAT_CRYPT
11068 /*
11069 * ":X": Get crypt key
11070 */
11071 static void
11072 ex_X(eap)
11073 exarg_T *eap UNUSED;
11074 {
11075 (void)get_crypt_key(TRUE, TRUE);
11076 }
11077 #endif
11078
11079 #ifdef FEAT_FOLDING
11080 static void
11081 ex_fold(eap)
11082 exarg_T *eap;
11083 {
11084 if (foldManualAllowed(TRUE))
11085 foldCreate(eap->line1, eap->line2);
11086 }
11087
11088 static void
11089 ex_foldopen(eap)
11090 exarg_T *eap;
11091 {
11092 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11093 eap->forceit, FALSE);
11094 }
11095
11096 static void
11097 ex_folddo(eap)
11098 exarg_T *eap;
11099 {
11100 linenr_T lnum;
11101
11102 /* First set the marks for all lines closed/open. */
11103 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11104 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11105 ml_setmarked(lnum);
11106
11107 /* Execute the command on the marked lines. */
11108 global_exe(eap->arg);
11109 ml_clearmarked(); /* clear rest of the marks */
11110 }
11111 #endif
Vim for the Mac