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Snapshot 44
[MacVim.git] / src / ex_docmd.c
blobd46ee7a41fe5c3ba8ecec81bfb8e362c7a92ba9c
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_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
215 || defined(FEAT_GUI_MACVIM))
216 static void ex_popup __ARGS((exarg_T *eap));
217 #else
218 # define ex_popup ex_ni
219 #endif
220 #ifndef FEAT_GUI_MSWIN
221 # define ex_simalt ex_ni
222 #endif
223 #if !(defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) || \
224 defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MACVIM))
225 # define gui_mch_find_dialog ex_ni
226 # define gui_mch_replace_dialog ex_ni
227 #endif
228 #if !defined(FEAT_GUI_GTK)
229 # define ex_helpfind ex_ni
230 #endif
231 #ifndef FEAT_CSCOPE
232 # define do_cscope ex_ni
233 # define do_scscope ex_ni
234 # define do_cstag ex_ni
235 #endif
236 #ifndef FEAT_SYN_HL
237 # define ex_syntax ex_ni
238 #endif
239 #ifndef FEAT_SPELL
240 # define ex_spell ex_ni
241 # define ex_mkspell ex_ni
242 # define ex_spelldump ex_ni
243 # define ex_spellinfo ex_ni
244 # define ex_spellrepall ex_ni
245 #endif
246 #ifndef FEAT_MZSCHEME
247 # define ex_mzscheme ex_script_ni
248 # define ex_mzfile ex_ni
249 #endif
250 #ifndef FEAT_PERL
251 # define ex_perl ex_script_ni
252 # define ex_perldo ex_ni
253 #endif
254 #ifndef FEAT_PYTHON
255 # define ex_python ex_script_ni
256 # define ex_pyfile ex_ni
257 #endif
258 #ifndef FEAT_TCL
259 # define ex_tcl ex_script_ni
260 # define ex_tcldo ex_ni
261 # define ex_tclfile ex_ni
262 #endif
263 #ifndef FEAT_RUBY
264 # define ex_ruby ex_script_ni
265 # define ex_rubydo ex_ni
266 # define ex_rubyfile ex_ni
267 #endif
268 #ifndef FEAT_SNIFF
269 # define ex_sniff ex_ni
270 #endif
271 #ifndef FEAT_KEYMAP
272 # define ex_loadkeymap ex_ni
273 #endif
274 static void ex_swapname __ARGS((exarg_T *eap));
275 static void ex_syncbind __ARGS((exarg_T *eap));
276 static void ex_read __ARGS((exarg_T *eap));
277 static void ex_pwd __ARGS((exarg_T *eap));
278 static void ex_equal __ARGS((exarg_T *eap));
279 static void ex_sleep __ARGS((exarg_T *eap));
280 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
281 static void ex_winsize __ARGS((exarg_T *eap));
282 #ifdef FEAT_WINDOWS
283 static void ex_wincmd __ARGS((exarg_T *eap));
284 #else
285 # define ex_wincmd ex_ni
286 #endif
287 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
288 static void ex_winpos __ARGS((exarg_T *eap));
289 #else
290 # define ex_winpos ex_ni
291 #endif
292 static void ex_operators __ARGS((exarg_T *eap));
293 static void ex_put __ARGS((exarg_T *eap));
294 static void ex_copymove __ARGS((exarg_T *eap));
295 static void ex_may_print __ARGS((exarg_T *eap));
296 static void ex_submagic __ARGS((exarg_T *eap));
297 static void ex_join __ARGS((exarg_T *eap));
298 static void ex_at __ARGS((exarg_T *eap));
299 static void ex_bang __ARGS((exarg_T *eap));
300 static void ex_undo __ARGS((exarg_T *eap));
301 static void ex_redo __ARGS((exarg_T *eap));
302 static void ex_later __ARGS((exarg_T *eap));
303 static void ex_redir __ARGS((exarg_T *eap));
304 static void ex_redraw __ARGS((exarg_T *eap));
305 static void ex_redrawstatus __ARGS((exarg_T *eap));
306 static void close_redir __ARGS((void));
307 static void ex_mkrc __ARGS((exarg_T *eap));
308 static void ex_mark __ARGS((exarg_T *eap));
309 #ifdef FEAT_USR_CMDS
310 static char_u *uc_fun_cmd __ARGS((void));
311 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
312 #endif
313 #ifdef FEAT_EX_EXTRA
314 static void ex_normal __ARGS((exarg_T *eap));
315 static void ex_startinsert __ARGS((exarg_T *eap));
316 static void ex_stopinsert __ARGS((exarg_T *eap));
317 #else
318 # define ex_normal ex_ni
319 # define ex_align ex_ni
320 # define ex_retab ex_ni
321 # define ex_startinsert ex_ni
322 # define ex_stopinsert ex_ni
323 # define ex_helptags ex_ni
324 # define ex_sort ex_ni
325 #endif
326 #ifdef FEAT_FIND_ID
327 static void ex_checkpath __ARGS((exarg_T *eap));
328 static void ex_findpat __ARGS((exarg_T *eap));
329 #else
330 # define ex_findpat ex_ni
331 # define ex_checkpath ex_ni
332 #endif
333 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
334 static void ex_psearch __ARGS((exarg_T *eap));
335 #else
336 # define ex_psearch ex_ni
337 #endif
338 static void ex_tag __ARGS((exarg_T *eap));
339 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
340 #ifndef FEAT_EVAL
341 # define ex_scriptnames ex_ni
342 # define ex_finish ex_ni
343 # define ex_echo ex_ni
344 # define ex_echohl ex_ni
345 # define ex_execute ex_ni
346 # define ex_call ex_ni
347 # define ex_if ex_ni
348 # define ex_endif ex_ni
349 # define ex_else ex_ni
350 # define ex_while ex_ni
351 # define ex_for ex_ni
352 # define ex_continue ex_ni
353 # define ex_break ex_ni
354 # define ex_endwhile ex_ni
355 # define ex_endfor ex_ni
356 # define ex_throw ex_ni
357 # define ex_try ex_ni
358 # define ex_catch ex_ni
359 # define ex_finally ex_ni
360 # define ex_endtry ex_ni
361 # define ex_endfunction ex_ni
362 # define ex_let ex_ni
363 # define ex_unlet ex_ni
364 # define ex_lockvar ex_ni
365 # define ex_unlockvar ex_ni
366 # define ex_function ex_ni
367 # define ex_delfunction ex_ni
368 # define ex_return ex_ni
369 # define ex_oldfiles ex_ni
370 #endif
371 static char_u *arg_all __ARGS((void));
372 #ifdef FEAT_SESSION
373 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
374 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
375 static void ex_loadview __ARGS((exarg_T *eap));
376 static char_u *get_view_file __ARGS((int c));
377 static int did_lcd; /* whether ":lcd" was produced for a session */
378 #else
379 # define ex_loadview ex_ni
380 #endif
381 #ifndef FEAT_EVAL
382 # define ex_compiler ex_ni
383 #endif
384 #ifdef FEAT_VIMINFO
385 static void ex_viminfo __ARGS((exarg_T *eap));
386 #else
387 # define ex_viminfo ex_ni
388 #endif
389 static void ex_behave __ARGS((exarg_T *eap));
390 #ifdef FEAT_AUTOCMD
391 static void ex_filetype __ARGS((exarg_T *eap));
392 static void ex_setfiletype __ARGS((exarg_T *eap));
393 #else
394 # define ex_filetype ex_ni
395 # define ex_setfiletype ex_ni
396 #endif
397 #ifndef FEAT_DIFF
398 # define ex_diffoff ex_ni
399 # define ex_diffpatch ex_ni
400 # define ex_diffgetput ex_ni
401 # define ex_diffsplit ex_ni
402 # define ex_diffthis ex_ni
403 # define ex_diffupdate ex_ni
404 #endif
405 static void ex_digraphs __ARGS((exarg_T *eap));
406 static void ex_set __ARGS((exarg_T *eap));
407 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
408 # define ex_options ex_ni
409 #endif
410 #ifdef FEAT_SEARCH_EXTRA
411 static void ex_nohlsearch __ARGS((exarg_T *eap));
412 static void ex_match __ARGS((exarg_T *eap));
413 #else
414 # define ex_nohlsearch ex_ni
415 # define ex_match ex_ni
416 #endif
417 #ifdef FEAT_CRYPT
418 static void ex_X __ARGS((exarg_T *eap));
419 #else
420 # define ex_X ex_ni
421 #endif
422 #ifdef FEAT_FOLDING
423 static void ex_fold __ARGS((exarg_T *eap));
424 static void ex_foldopen __ARGS((exarg_T *eap));
425 static void ex_folddo __ARGS((exarg_T *eap));
426 #else
427 # define ex_fold ex_ni
428 # define ex_foldopen ex_ni
429 # define ex_folddo ex_ni
430 #endif
431 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
432 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
433 # define ex_language ex_ni
434 #endif
435 #ifndef FEAT_SIGNS
436 # define ex_sign ex_ni
437 #endif
438 #ifndef FEAT_SUN_WORKSHOP
439 # define ex_wsverb ex_ni
440 #endif
441 #ifndef FEAT_NETBEANS_INTG
442 # define ex_nbkey ex_ni
443 #endif
444
445 #ifndef FEAT_EVAL
446 # define ex_debug ex_ni
447 # define ex_breakadd ex_ni
448 # define ex_debuggreedy ex_ni
449 # define ex_breakdel ex_ni
450 # define ex_breaklist ex_ni
451 #endif
452
453 #ifndef FEAT_CMDHIST
454 # define ex_history ex_ni
455 #endif
456 #ifndef FEAT_JUMPLIST
457 # define ex_jumps ex_ni
458 # define ex_changes ex_ni
459 #endif
460
461 #ifndef FEAT_PROFILE
462 # define ex_profile ex_ni
463 #endif
464
465 #ifndef FEAT_GUI_MACVIM
466 # define ex_macaction ex_ni
467 # define ex_macmenu ex_ni
468 #endif
469
470 /*
471 * Declare cmdnames[].
472 */
473 #define DO_DECLARE_EXCMD
474 #include "ex_cmds.h"
475
476 /*
477 * Table used to quickly search for a command, based on its first character.
478 */
479 static cmdidx_T cmdidxs[27] =
480 {
481 CMD_append,
482 CMD_buffer,
483 CMD_change,
484 CMD_delete,
485 CMD_edit,
486 CMD_file,
487 CMD_global,
488 CMD_help,
489 CMD_insert,
490 CMD_join,
491 CMD_k,
492 CMD_list,
493 CMD_move,
494 CMD_next,
495 CMD_open,
496 CMD_print,
497 CMD_quit,
498 CMD_read,
499 CMD_substitute,
500 CMD_t,
501 CMD_undo,
502 CMD_vglobal,
503 CMD_write,
504 CMD_xit,
505 CMD_yank,
506 CMD_z,
507 CMD_bang
508 };
509
510 static char_u dollar_command[2] = {'$', 0};
511
512
513 #ifdef FEAT_EVAL
514 /* Struct for storing a line inside a while/for loop */
515 typedef struct
516 {
517 char_u *line; /* command line */
518 linenr_T lnum; /* sourcing_lnum of the line */
519 } wcmd_T;
520
521 /*
522 * Structure used to store info for line position in a while or for loop.
523 * This is required, because do_one_cmd() may invoke ex_function(), which
524 * reads more lines that may come from the while/for loop.
525 */
526 struct loop_cookie
527 {
528 garray_T *lines_gap; /* growarray with line info */
529 int current_line; /* last read line from growarray */
530 int repeating; /* TRUE when looping a second time */
531 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
532 char_u *(*getline) __ARGS((int, void *, int));
533 void *cookie;
534 };
535
536 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
537 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
538 static void free_cmdlines __ARGS((garray_T *gap));
539
540 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
541 struct dbg_stuff
542 {
543 int trylevel;
544 int force_abort;
545 except_T *caught_stack;
546 char_u *vv_exception;
547 char_u *vv_throwpoint;
548 int did_emsg;
549 int got_int;
550 int did_throw;
551 int need_rethrow;
552 int check_cstack;
553 except_T *current_exception;
554 };
555
556 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
557 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
558
559 static void
560 save_dbg_stuff(dsp)
561 struct dbg_stuff *dsp;
562 {
563 dsp->trylevel = trylevel; trylevel = 0;
564 dsp->force_abort = force_abort; force_abort = FALSE;
565 dsp->caught_stack = caught_stack; caught_stack = NULL;
566 dsp->vv_exception = v_exception(NULL);
567 dsp->vv_throwpoint = v_throwpoint(NULL);
568
569 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
570 dsp->did_emsg = did_emsg; did_emsg = FALSE;
571 dsp->got_int = got_int; got_int = FALSE;
572 dsp->did_throw = did_throw; did_throw = FALSE;
573 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
574 dsp->check_cstack = check_cstack; check_cstack = FALSE;
575 dsp->current_exception = current_exception; current_exception = NULL;
576 }
577
578 static void
579 restore_dbg_stuff(dsp)
580 struct dbg_stuff *dsp;
581 {
582 suppress_errthrow = FALSE;
583 trylevel = dsp->trylevel;
584 force_abort = dsp->force_abort;
585 caught_stack = dsp->caught_stack;
586 (void)v_exception(dsp->vv_exception);
587 (void)v_throwpoint(dsp->vv_throwpoint);
588 did_emsg = dsp->did_emsg;
589 got_int = dsp->got_int;
590 did_throw = dsp->did_throw;
591 need_rethrow = dsp->need_rethrow;
592 check_cstack = dsp->check_cstack;
593 current_exception = dsp->current_exception;
594 }
595 #endif
596
597
598 /*
599 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
600 * command is given.
601 */
602 void
603 do_exmode(improved)
604 int improved; /* TRUE for "improved Ex" mode */
605 {
606 int save_msg_scroll;
607 int prev_msg_row;
608 linenr_T prev_line;
609 int changedtick;
610
611 if (improved)
612 exmode_active = EXMODE_VIM;
613 else
614 exmode_active = EXMODE_NORMAL;
615 State = NORMAL;
616
617 /* When using ":global /pat/ visual" and then "Q" we return to continue
618 * the :global command. */
619 if (global_busy)
620 return;
621
622 save_msg_scroll = msg_scroll;
623 ++RedrawingDisabled; /* don't redisplay the window */
624 ++no_wait_return; /* don't wait for return */
625 #ifdef FEAT_GUI
626 /* Ignore scrollbar and mouse events in Ex mode */
627 ++hold_gui_events;
628 #endif
629 #ifdef FEAT_SNIFF
630 want_sniff_request = 0; /* No K_SNIFF wanted */
631 #endif
632
633 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
634 while (exmode_active)
635 {
636 #ifdef FEAT_EX_EXTRA
637 /* Check for a ":normal" command and no more characters left. */
638 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
639 {
640 exmode_active = FALSE;
641 break;
642 }
643 #endif
644 msg_scroll = TRUE;
645 need_wait_return = FALSE;
646 ex_pressedreturn = FALSE;
647 ex_no_reprint = FALSE;
648 changedtick = curbuf->b_changedtick;
649 prev_msg_row = msg_row;
650 prev_line = curwin->w_cursor.lnum;
651 #ifdef FEAT_SNIFF
652 ProcessSniffRequests();
653 #endif
654 if (improved)
655 {
656 cmdline_row = msg_row;
657 do_cmdline(NULL, getexline, NULL, 0);
658 }
659 else
660 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
661 lines_left = Rows - 1;
662
663 if ((prev_line != curwin->w_cursor.lnum
664 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
665 {
666 if (curbuf->b_ml.ml_flags & ML_EMPTY)
667 EMSG(_(e_emptybuf));
668 else
669 {
670 if (ex_pressedreturn)
671 {
672 /* go up one line, to overwrite the ":<CR>" line, so the
673 * output doesn't contain empty lines. */
674 msg_row = prev_msg_row;
675 if (prev_msg_row == Rows - 1)
676 msg_row--;
677 }
678 msg_col = 0;
679 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
680 msg_clr_eos();
681 }
682 }
683 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
684 {
685 if (curbuf->b_ml.ml_flags & ML_EMPTY)
686 EMSG(_(e_emptybuf));
687 else
688 EMSG(_("E501: At end-of-file"));
689 }
690 }
691
692 #ifdef FEAT_GUI
693 --hold_gui_events;
694 #endif
695 --RedrawingDisabled;
696 --no_wait_return;
697 update_screen(CLEAR);
698 need_wait_return = FALSE;
699 msg_scroll = save_msg_scroll;
700 }
701
702 /*
703 * Execute a simple command line. Used for translated commands like "*".
704 */
705 int
706 do_cmdline_cmd(cmd)
707 char_u *cmd;
708 {
709 return do_cmdline(cmd, NULL, NULL,
710 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
711 }
712
713 /*
714 * do_cmdline(): execute one Ex command line
715 *
716 * 1. Execute "cmdline" when it is not NULL.
717 * If "cmdline" is NULL, or more lines are needed, getline() is used.
718 * 2. Split up in parts separated with '|'.
719 *
720 * This function can be called recursively!
721 *
722 * flags:
723 * DOCMD_VERBOSE - The command will be included in the error message.
724 * DOCMD_NOWAIT - Don't call wait_return() and friends.
725 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
726 * DOCMD_KEYTYPED - Don't reset KeyTyped.
727 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
728 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
729 *
730 * return FAIL if cmdline could not be executed, OK otherwise
731 */
732 int
733 do_cmdline(cmdline, getline, cookie, flags)
734 char_u *cmdline;
735 char_u *(*getline) __ARGS((int, void *, int));
736 void *cookie; /* argument for getline() */
737 int flags;
738 {
739 char_u *next_cmdline; /* next cmd to execute */
740 char_u *cmdline_copy = NULL; /* copy of cmd line */
741 int used_getline = FALSE; /* used "getline" to obtain command */
742 static int recursive = 0; /* recursive depth */
743 int msg_didout_before_start = 0;
744 int count = 0; /* line number count */
745 int did_inc = FALSE; /* incremented RedrawingDisabled */
746 int retval = OK;
747 #ifdef FEAT_EVAL
748 struct condstack cstack; /* conditional stack */
749 garray_T lines_ga; /* keep lines for ":while"/":for" */
750 int current_line = 0; /* active line in lines_ga */
751 char_u *fname = NULL; /* function or script name */
752 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
753 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
754 struct dbg_stuff debug_saved; /* saved things for debug mode */
755 int initial_trylevel;
756 struct msglist **saved_msg_list = NULL;
757 struct msglist *private_msg_list;
758
759 /* "getline" and "cookie" passed to do_one_cmd() */
760 char_u *(*cmd_getline) __ARGS((int, void *, int));
761 void *cmd_cookie;
762 struct loop_cookie cmd_loop_cookie;
763 void *real_cookie;
764 int getline_is_func;
765 #else
766 # define cmd_getline getline
767 # define cmd_cookie cookie
768 #endif
769 static int call_depth = 0; /* recursiveness */
770
771 #ifdef FEAT_EVAL
772 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
773 * location for storing error messages to be converted to an exception.
774 * This ensures that the do_errthrow() call in do_one_cmd() does not
775 * combine the messages stored by an earlier invocation of do_one_cmd()
776 * with the command name of the later one. This would happen when
777 * BufWritePost autocommands are executed after a write error. */
778 saved_msg_list = msg_list;
779 msg_list = &private_msg_list;
780 private_msg_list = NULL;
781 #endif
782
783 /* It's possible to create an endless loop with ":execute", catch that
784 * here. The value of 200 allows nested function calls, ":source", etc. */
785 if (call_depth == 200)
786 {
787 EMSG(_("E169: Command too recursive"));
788 #ifdef FEAT_EVAL
789 /* When converting to an exception, we do not include the command name
790 * since this is not an error of the specific command. */
791 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
792 msg_list = saved_msg_list;
793 #endif
794 return FAIL;
795 }
796 ++call_depth;
797
798 #ifdef FEAT_EVAL
799 cstack.cs_idx = -1;
800 cstack.cs_looplevel = 0;
801 cstack.cs_trylevel = 0;
802 cstack.cs_emsg_silent_list = NULL;
803 cstack.cs_lflags = 0;
804 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
805
806 real_cookie = getline_cookie(getline, cookie);
807
808 /* Inside a function use a higher nesting level. */
809 getline_is_func = getline_equal(getline, cookie, get_func_line);
810 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
811 ++ex_nesting_level;
812
813 /* Get the function or script name and the address where the next breakpoint
814 * line and the debug tick for a function or script are stored. */
815 if (getline_is_func)
816 {
817 fname = func_name(real_cookie);
818 breakpoint = func_breakpoint(real_cookie);
819 dbg_tick = func_dbg_tick(real_cookie);
820 }
821 else if (getline_equal(getline, cookie, getsourceline))
822 {
823 fname = sourcing_name;
824 breakpoint = source_breakpoint(real_cookie);
825 dbg_tick = source_dbg_tick(real_cookie);
826 }
827
828 /*
829 * Initialize "force_abort" and "suppress_errthrow" at the top level.
830 */
831 if (!recursive)
832 {
833 force_abort = FALSE;
834 suppress_errthrow = FALSE;
835 }
836
837 /*
838 * If requested, store and reset the global values controlling the
839 * exception handling (used when debugging). Otherwise clear it to avoid
840 * a bogus compiler warning when the optimizer uses inline functions...
841 */
842 if (flags & DOCMD_EXCRESET)
843 save_dbg_stuff(&debug_saved);
844 else
845 memset(&debug_saved, 0, 1);
846
847 initial_trylevel = trylevel;
848
849 /*
850 * "did_throw" will be set to TRUE when an exception is being thrown.
851 */
852 did_throw = FALSE;
853 #endif
854 /*
855 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
856 * cancel the whole command line, and any if/endif or loop.
857 * If force_abort is set, we cancel everything.
858 */
859 did_emsg = FALSE;
860
861 /*
862 * KeyTyped is only set when calling vgetc(). Reset it here when not
863 * calling vgetc() (sourced command lines).
864 */
865 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
866 KeyTyped = FALSE;
867
868 /*
869 * Continue executing command lines:
870 * - when inside an ":if", ":while" or ":for"
871 * - for multiple commands on one line, separated with '|'
872 * - when repeating until there are no more lines (for ":source")
873 */
874 next_cmdline = cmdline;
875 do
876 {
877 #ifdef FEAT_EVAL
878 getline_is_func = getline_equal(getline, cookie, get_func_line);
879 #endif
880
881 /* stop skipping cmds for an error msg after all endif/while/for */
882 if (next_cmdline == NULL
883 #ifdef FEAT_EVAL
884 && !force_abort
885 && cstack.cs_idx < 0
886 && !(getline_is_func && func_has_abort(real_cookie))
887 #endif
888 )
889 did_emsg = FALSE;
890
891 /*
892 * 1. If repeating a line in a loop, get a line from lines_ga.
893 * 2. If no line given: Get an allocated line with getline().
894 * 3. If a line is given: Make a copy, so we can mess with it.
895 */
896
897 #ifdef FEAT_EVAL
898 /* 1. If repeating, get a previous line from lines_ga. */
899 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
900 {
901 /* Each '|' separated command is stored separately in lines_ga, to
902 * be able to jump to it. Don't use next_cmdline now. */
903 vim_free(cmdline_copy);
904 cmdline_copy = NULL;
905
906 /* Check if a function has returned or, unless it has an unclosed
907 * try conditional, aborted. */
908 if (getline_is_func)
909 {
910 # ifdef FEAT_PROFILE
911 if (do_profiling == PROF_YES)
912 func_line_end(real_cookie);
913 # endif
914 if (func_has_ended(real_cookie))
915 {
916 retval = FAIL;
917 break;
918 }
919 }
920 #ifdef FEAT_PROFILE
921 else if (do_profiling == PROF_YES
922 && getline_equal(getline, cookie, getsourceline))
923 script_line_end();
924 #endif
925
926 /* Check if a sourced file hit a ":finish" command. */
927 if (source_finished(getline, cookie))
928 {
929 retval = FAIL;
930 break;
931 }
932
933 /* If breakpoints have been added/deleted need to check for it. */
934 if (breakpoint != NULL && dbg_tick != NULL
935 && *dbg_tick != debug_tick)
936 {
937 *breakpoint = dbg_find_breakpoint(
938 getline_equal(getline, cookie, getsourceline),
939 fname, sourcing_lnum);
940 *dbg_tick = debug_tick;
941 }
942
943 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
944 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
945
946 /* Did we encounter a breakpoint? */
947 if (breakpoint != NULL && *breakpoint != 0
948 && *breakpoint <= sourcing_lnum)
949 {
950 dbg_breakpoint(fname, sourcing_lnum);
951 /* Find next breakpoint. */
952 *breakpoint = dbg_find_breakpoint(
953 getline_equal(getline, cookie, getsourceline),
954 fname, sourcing_lnum);
955 *dbg_tick = debug_tick;
956 }
957 # ifdef FEAT_PROFILE
958 if (do_profiling == PROF_YES)
959 {
960 if (getline_is_func)
961 func_line_start(real_cookie);
962 else if (getline_equal(getline, cookie, getsourceline))
963 script_line_start();
964 }
965 # endif
966 }
967
968 if (cstack.cs_looplevel > 0)
969 {
970 /* Inside a while/for loop we need to store the lines and use them
971 * again. Pass a different "getline" function to do_one_cmd()
972 * below, so that it stores lines in or reads them from
973 * "lines_ga". Makes it possible to define a function inside a
974 * while/for loop. */
975 cmd_getline = get_loop_line;
976 cmd_cookie = (void *)&cmd_loop_cookie;
977 cmd_loop_cookie.lines_gap = &lines_ga;
978 cmd_loop_cookie.current_line = current_line;
979 cmd_loop_cookie.getline = getline;
980 cmd_loop_cookie.cookie = cookie;
981 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
982 }
983 else
984 {
985 cmd_getline = getline;
986 cmd_cookie = cookie;
987 }
988 #endif
989
990 /* 2. If no line given, get an allocated line with getline(). */
991 if (next_cmdline == NULL)
992 {
993 /*
994 * Need to set msg_didout for the first line after an ":if",
995 * otherwise the ":if" will be overwritten.
996 */
997 if (count == 1 && getline_equal(getline, cookie, getexline))
998 msg_didout = TRUE;
999 if (getline == NULL || (next_cmdline = getline(':', cookie,
1000 #ifdef FEAT_EVAL
1001 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1002 #else
1003 0
1004 #endif
1005 )) == NULL)
1006 {
1007 /* Don't call wait_return for aborted command line. The NULL
1008 * returned for the end of a sourced file or executed function
1009 * doesn't do this. */
1010 if (KeyTyped && !(flags & DOCMD_REPEAT))
1011 need_wait_return = FALSE;
1012 retval = FAIL;
1013 break;
1014 }
1015 used_getline = TRUE;
1016
1017 /*
1018 * Keep the first typed line. Clear it when more lines are typed.
1019 */
1020 if (flags & DOCMD_KEEPLINE)
1021 {
1022 vim_free(repeat_cmdline);
1023 if (count == 0)
1024 repeat_cmdline = vim_strsave(next_cmdline);
1025 else
1026 repeat_cmdline = NULL;
1027 }
1028 }
1029
1030 /* 3. Make a copy of the command so we can mess with it. */
1031 else if (cmdline_copy == NULL)
1032 {
1033 next_cmdline = vim_strsave(next_cmdline);
1034 if (next_cmdline == NULL)
1035 {
1036 EMSG(_(e_outofmem));
1037 retval = FAIL;
1038 break;
1039 }
1040 }
1041 cmdline_copy = next_cmdline;
1042
1043 #ifdef FEAT_EVAL
1044 /*
1045 * Save the current line when inside a ":while" or ":for", and when
1046 * the command looks like a ":while" or ":for", because we may need it
1047 * later. When there is a '|' and another command, it is stored
1048 * separately, because we need to be able to jump back to it from an
1049 * :endwhile/:endfor.
1050 */
1051 if (current_line == lines_ga.ga_len
1052 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1053 {
1054 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1055 {
1056 retval = FAIL;
1057 break;
1058 }
1059 }
1060 did_endif = FALSE;
1061 #endif
1062
1063 if (count++ == 0)
1064 {
1065 /*
1066 * All output from the commands is put below each other, without
1067 * waiting for a return. Don't do this when executing commands
1068 * from a script or when being called recursive (e.g. for ":e
1069 * +command file").
1070 */
1071 if (!(flags & DOCMD_NOWAIT) && !recursive)
1072 {
1073 msg_didout_before_start = msg_didout;
1074 msg_didany = FALSE; /* no output yet */
1075 msg_start();
1076 msg_scroll = TRUE; /* put messages below each other */
1077 ++no_wait_return; /* dont wait for return until finished */
1078 ++RedrawingDisabled;
1079 did_inc = TRUE;
1080 }
1081 }
1082
1083 if (p_verbose >= 15 && sourcing_name != NULL)
1084 {
1085 ++no_wait_return;
1086 verbose_enter_scroll();
1087
1088 smsg((char_u *)_("line %ld: %s"),
1089 (long)sourcing_lnum, cmdline_copy);
1090 if (msg_silent == 0)
1091 msg_puts((char_u *)"\n"); /* don't overwrite this */
1092
1093 verbose_leave_scroll();
1094 --no_wait_return;
1095 }
1096
1097 /*
1098 * 2. Execute one '|' separated command.
1099 * do_one_cmd() will return NULL if there is no trailing '|'.
1100 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1101 */
1102 ++recursive;
1103 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1104 #ifdef FEAT_EVAL
1105 &cstack,
1106 #endif
1107 cmd_getline, cmd_cookie);
1108 --recursive;
1109
1110 #ifdef FEAT_EVAL
1111 if (cmd_cookie == (void *)&cmd_loop_cookie)
1112 /* Use "current_line" from "cmd_loop_cookie", it may have been
1113 * incremented when defining a function. */
1114 current_line = cmd_loop_cookie.current_line;
1115 #endif
1116
1117 if (next_cmdline == NULL)
1118 {
1119 vim_free(cmdline_copy);
1120 cmdline_copy = NULL;
1121 #ifdef FEAT_CMDHIST
1122 /*
1123 * If the command was typed, remember it for the ':' register.
1124 * Do this AFTER executing the command to make :@: work.
1125 */
1126 if (getline_equal(getline, cookie, getexline)
1127 && new_last_cmdline != NULL)
1128 {
1129 vim_free(last_cmdline);
1130 last_cmdline = new_last_cmdline;
1131 new_last_cmdline = NULL;
1132 }
1133 #endif
1134 }
1135 else
1136 {
1137 /* need to copy the command after the '|' to cmdline_copy, for the
1138 * next do_one_cmd() */
1139 STRMOVE(cmdline_copy, next_cmdline);
1140 next_cmdline = cmdline_copy;
1141 }
1142
1143
1144 #ifdef FEAT_EVAL
1145 /* reset did_emsg for a function that is not aborted by an error */
1146 if (did_emsg && !force_abort
1147 && getline_equal(getline, cookie, get_func_line)
1148 && !func_has_abort(real_cookie))
1149 did_emsg = FALSE;
1150
1151 if (cstack.cs_looplevel > 0)
1152 {
1153 ++current_line;
1154
1155 /*
1156 * An ":endwhile", ":endfor" and ":continue" is handled here.
1157 * If we were executing commands, jump back to the ":while" or
1158 * ":for".
1159 * If we were not executing commands, decrement cs_looplevel.
1160 */
1161 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1162 {
1163 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1164
1165 /* Jump back to the matching ":while" or ":for". Be careful
1166 * not to use a cs_line[] from an entry that isn't a ":while"
1167 * or ":for": It would make "current_line" invalid and can
1168 * cause a crash. */
1169 if (!did_emsg && !got_int && !did_throw
1170 && cstack.cs_idx >= 0
1171 && (cstack.cs_flags[cstack.cs_idx]
1172 & (CSF_WHILE | CSF_FOR))
1173 && cstack.cs_line[cstack.cs_idx] >= 0
1174 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1175 {
1176 current_line = cstack.cs_line[cstack.cs_idx];
1177 /* remember we jumped there */
1178 cstack.cs_lflags |= CSL_HAD_LOOP;
1179 line_breakcheck(); /* check if CTRL-C typed */
1180
1181 /* Check for the next breakpoint at or after the ":while"
1182 * or ":for". */
1183 if (breakpoint != NULL)
1184 {
1185 *breakpoint = dbg_find_breakpoint(
1186 getline_equal(getline, cookie, getsourceline),
1187 fname,
1188 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1189 *dbg_tick = debug_tick;
1190 }
1191 }
1192 else
1193 {
1194 /* can only get here with ":endwhile" or ":endfor" */
1195 if (cstack.cs_idx >= 0)
1196 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1197 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1198 }
1199 }
1200
1201 /*
1202 * For a ":while" or ":for" we need to remember the line number.
1203 */
1204 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1205 {
1206 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1207 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1208 }
1209 }
1210
1211 /*
1212 * When not inside any ":while" loop, clear remembered lines.
1213 */
1214 if (cstack.cs_looplevel == 0)
1215 {
1216 if (lines_ga.ga_len > 0)
1217 {
1218 sourcing_lnum =
1219 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1220 free_cmdlines(&lines_ga);
1221 }
1222 current_line = 0;
1223 }
1224
1225 /*
1226 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1227 * being restored at the ":endtry". Reset them here and set the
1228 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1229 * This includes the case where a missing ":endif", ":endwhile" or
1230 * ":endfor" was detected by the ":finally" itself.
1231 */
1232 if (cstack.cs_lflags & CSL_HAD_FINA)
1233 {
1234 cstack.cs_lflags &= ~CSL_HAD_FINA;
1235 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1236 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1237 did_throw ? (void *)current_exception : NULL);
1238 did_emsg = got_int = did_throw = FALSE;
1239 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1240 }
1241
1242 /* Update global "trylevel" for recursive calls to do_cmdline() from
1243 * within this loop. */
1244 trylevel = initial_trylevel + cstack.cs_trylevel;
1245
1246 /*
1247 * If the outermost try conditional (across function calls and sourced
1248 * files) is aborted because of an error, an interrupt, or an uncaught
1249 * exception, cancel everything. If it is left normally, reset
1250 * force_abort to get the non-EH compatible abortion behavior for
1251 * the rest of the script.
1252 */
1253 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1254 force_abort = FALSE;
1255
1256 /* Convert an interrupt to an exception if appropriate. */
1257 (void)do_intthrow(&cstack);
1258 #endif /* FEAT_EVAL */
1259
1260 }
1261 /*
1262 * Continue executing command lines when:
1263 * - no CTRL-C typed, no aborting error, no exception thrown or try
1264 * conditionals need to be checked for executing finally clauses or
1265 * catching an interrupt exception
1266 * - didn't get an error message or lines are not typed
1267 * - there is a command after '|', inside a :if, :while, :for or :try, or
1268 * looping for ":source" command or function call.
1269 */
1270 while (!((got_int
1271 #ifdef FEAT_EVAL
1272 || (did_emsg && force_abort) || did_throw
1273 #endif
1274 )
1275 #ifdef FEAT_EVAL
1276 && cstack.cs_trylevel == 0
1277 #endif
1278 )
1279 && !(did_emsg && used_getline
1280 && (getline_equal(getline, cookie, getexmodeline)
1281 || getline_equal(getline, cookie, getexline)))
1282 && (next_cmdline != NULL
1283 #ifdef FEAT_EVAL
1284 || cstack.cs_idx >= 0
1285 #endif
1286 || (flags & DOCMD_REPEAT)));
1287
1288 vim_free(cmdline_copy);
1289 #ifdef FEAT_EVAL
1290 free_cmdlines(&lines_ga);
1291 ga_clear(&lines_ga);
1292
1293 if (cstack.cs_idx >= 0)
1294 {
1295 /*
1296 * If a sourced file or executed function ran to its end, report the
1297 * unclosed conditional.
1298 */
1299 if (!got_int && !did_throw
1300 && ((getline_equal(getline, cookie, getsourceline)
1301 && !source_finished(getline, cookie))
1302 || (getline_equal(getline, cookie, get_func_line)
1303 && !func_has_ended(real_cookie))))
1304 {
1305 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1306 EMSG(_(e_endtry));
1307 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1308 EMSG(_(e_endwhile));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1310 EMSG(_(e_endfor));
1311 else
1312 EMSG(_(e_endif));
1313 }
1314
1315 /*
1316 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1317 * ":endtry" in a sourced file or executed function. If the try
1318 * conditional is in its finally clause, ignore anything pending.
1319 * If it is in a catch clause, finish the caught exception.
1320 * Also cleanup any "cs_forinfo" structures.
1321 */
1322 do
1323 {
1324 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1325
1326 if (idx >= 0)
1327 --idx; /* remove try block not in its finally clause */
1328 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1329 &cstack.cs_looplevel);
1330 }
1331 while (cstack.cs_idx >= 0);
1332 trylevel = initial_trylevel;
1333 }
1334
1335 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1336 * lack was reported above and the error message is to be converted to an
1337 * exception, do this now after rewinding the cstack. */
1338 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1339 ? (char_u *)"endfunction" : (char_u *)NULL);
1340
1341 if (trylevel == 0)
1342 {
1343 /*
1344 * When an exception is being thrown out of the outermost try
1345 * conditional, discard the uncaught exception, disable the conversion
1346 * of interrupts or errors to exceptions, and ensure that no more
1347 * commands are executed.
1348 */
1349 if (did_throw)
1350 {
1351 void *p = NULL;
1352 char_u *saved_sourcing_name;
1353 int saved_sourcing_lnum;
1354 struct msglist *messages = NULL, *next;
1355
1356 /*
1357 * If the uncaught exception is a user exception, report it as an
1358 * error. If it is an error exception, display the saved error
1359 * message now. For an interrupt exception, do nothing; the
1360 * interrupt message is given elsewhere.
1361 */
1362 switch (current_exception->type)
1363 {
1364 case ET_USER:
1365 vim_snprintf((char *)IObuff, IOSIZE,
1366 _("E605: Exception not caught: %s"),
1367 current_exception->value);
1368 p = vim_strsave(IObuff);
1369 break;
1370 case ET_ERROR:
1371 messages = current_exception->messages;
1372 current_exception->messages = NULL;
1373 break;
1374 case ET_INTERRUPT:
1375 break;
1376 default:
1377 p = vim_strsave((char_u *)_(e_internal));
1378 }
1379
1380 saved_sourcing_name = sourcing_name;
1381 saved_sourcing_lnum = sourcing_lnum;
1382 sourcing_name = current_exception->throw_name;
1383 sourcing_lnum = current_exception->throw_lnum;
1384 current_exception->throw_name = NULL;
1385
1386 discard_current_exception(); /* uses IObuff if 'verbose' */
1387 suppress_errthrow = TRUE;
1388 force_abort = TRUE;
1389
1390 if (messages != NULL)
1391 {
1392 do
1393 {
1394 next = messages->next;
1395 emsg(messages->msg);
1396 vim_free(messages->msg);
1397 vim_free(messages);
1398 messages = next;
1399 }
1400 while (messages != NULL);
1401 }
1402 else if (p != NULL)
1403 {
1404 emsg(p);
1405 vim_free(p);
1406 }
1407 vim_free(sourcing_name);
1408 sourcing_name = saved_sourcing_name;
1409 sourcing_lnum = saved_sourcing_lnum;
1410 }
1411
1412 /*
1413 * On an interrupt or an aborting error not converted to an exception,
1414 * disable the conversion of errors to exceptions. (Interrupts are not
1415 * converted any more, here.) This enables also the interrupt message
1416 * when force_abort is set and did_emsg unset in case of an interrupt
1417 * from a finally clause after an error.
1418 */
1419 else if (got_int || (did_emsg && force_abort))
1420 suppress_errthrow = TRUE;
1421 }
1422
1423 /*
1424 * The current cstack will be freed when do_cmdline() returns. An uncaught
1425 * exception will have to be rethrown in the previous cstack. If a function
1426 * has just returned or a script file was just finished and the previous
1427 * cstack belongs to the same function or, respectively, script file, it
1428 * will have to be checked for finally clauses to be executed due to the
1429 * ":return" or ":finish". This is done in do_one_cmd().
1430 */
1431 if (did_throw)
1432 need_rethrow = TRUE;
1433 if ((getline_equal(getline, cookie, getsourceline)
1434 && ex_nesting_level > source_level(real_cookie))
1435 || (getline_equal(getline, cookie, get_func_line)
1436 && ex_nesting_level > func_level(real_cookie) + 1))
1437 {
1438 if (!did_throw)
1439 check_cstack = TRUE;
1440 }
1441 else
1442 {
1443 /* When leaving a function, reduce nesting level. */
1444 if (getline_equal(getline, cookie, get_func_line))
1445 --ex_nesting_level;
1446 /*
1447 * Go to debug mode when returning from a function in which we are
1448 * single-stepping.
1449 */
1450 if ((getline_equal(getline, cookie, getsourceline)
1451 || getline_equal(getline, cookie, get_func_line))
1452 && ex_nesting_level + 1 <= debug_break_level)
1453 do_debug(getline_equal(getline, cookie, getsourceline)
1454 ? (char_u *)_("End of sourced file")
1455 : (char_u *)_("End of function"));
1456 }
1457
1458 /*
1459 * Restore the exception environment (done after returning from the
1460 * debugger).
1461 */
1462 if (flags & DOCMD_EXCRESET)
1463 restore_dbg_stuff(&debug_saved);
1464
1465 msg_list = saved_msg_list;
1466 #endif /* FEAT_EVAL */
1467
1468 /*
1469 * If there was too much output to fit on the command line, ask the user to
1470 * hit return before redrawing the screen. With the ":global" command we do
1471 * this only once after the command is finished.
1472 */
1473 if (did_inc)
1474 {
1475 --RedrawingDisabled;
1476 --no_wait_return;
1477 msg_scroll = FALSE;
1478
1479 /*
1480 * When just finished an ":if"-":else" which was typed, no need to
1481 * wait for hit-return. Also for an error situation.
1482 */
1483 if (retval == FAIL
1484 #ifdef FEAT_EVAL
1485 || (did_endif && KeyTyped && !did_emsg)
1486 #endif
1487 )
1488 {
1489 need_wait_return = FALSE;
1490 msg_didany = FALSE; /* don't wait when restarting edit */
1491 }
1492 else if (need_wait_return)
1493 {
1494 /*
1495 * The msg_start() above clears msg_didout. The wait_return we do
1496 * here should not overwrite the command that may be shown before
1497 * doing that.
1498 */
1499 msg_didout |= msg_didout_before_start;
1500 wait_return(FALSE);
1501 }
1502 }
1503
1504 #ifndef FEAT_EVAL
1505 /*
1506 * Reset if_level, in case a sourced script file contains more ":if" than
1507 * ":endif" (could be ":if x | foo | endif").
1508 */
1509 if_level = 0;
1510 #endif
1511
1512 --call_depth;
1513 return retval;
1514 }
1515
1516 #ifdef FEAT_EVAL
1517 /*
1518 * Obtain a line when inside a ":while" or ":for" loop.
1519 */
1520 static char_u *
1521 get_loop_line(c, cookie, indent)
1522 int c;
1523 void *cookie;
1524 int indent;
1525 {
1526 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1527 wcmd_T *wp;
1528 char_u *line;
1529
1530 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1531 {
1532 if (cp->repeating)
1533 return NULL; /* trying to read past ":endwhile"/":endfor" */
1534
1535 /* First time inside the ":while"/":for": get line normally. */
1536 if (cp->getline == NULL)
1537 line = getcmdline(c, 0L, indent);
1538 else
1539 line = cp->getline(c, cp->cookie, indent);
1540 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1541 ++cp->current_line;
1542
1543 return line;
1544 }
1545
1546 KeyTyped = FALSE;
1547 ++cp->current_line;
1548 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1549 sourcing_lnum = wp->lnum;
1550 return vim_strsave(wp->line);
1551 }
1552
1553 /*
1554 * Store a line in "gap" so that a ":while" loop can execute it again.
1555 */
1556 static int
1557 store_loop_line(gap, line)
1558 garray_T *gap;
1559 char_u *line;
1560 {
1561 if (ga_grow(gap, 1) == FAIL)
1562 return FAIL;
1563 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1564 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1565 ++gap->ga_len;
1566 return OK;
1567 }
1568
1569 /*
1570 * Free the lines stored for a ":while" or ":for" loop.
1571 */
1572 static void
1573 free_cmdlines(gap)
1574 garray_T *gap;
1575 {
1576 while (gap->ga_len > 0)
1577 {
1578 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1579 --gap->ga_len;
1580 }
1581 }
1582 #endif
1583
1584 /*
1585 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1586 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1587 */
1588 /*ARGSUSED*/
1589 int
1590 getline_equal(fgetline, cookie, func)
1591 char_u *(*fgetline) __ARGS((int, void *, int));
1592 void *cookie; /* argument for fgetline() */
1593 char_u *(*func) __ARGS((int, void *, int));
1594 {
1595 #ifdef FEAT_EVAL
1596 char_u *(*gp) __ARGS((int, void *, int));
1597 struct loop_cookie *cp;
1598
1599 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1600 * function that's originally used to obtain the lines. This may be
1601 * nested several levels. */
1602 gp = fgetline;
1603 cp = (struct loop_cookie *)cookie;
1604 while (gp == get_loop_line)
1605 {
1606 gp = cp->getline;
1607 cp = cp->cookie;
1608 }
1609 return gp == func;
1610 #else
1611 return fgetline == func;
1612 #endif
1613 }
1614
1615 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1616 /*
1617 * If "fgetline" is get_loop_line(), return the cookie used by the original
1618 * getline function. Otherwise return "cookie".
1619 */
1620 /*ARGSUSED*/
1621 void *
1622 getline_cookie(fgetline, cookie)
1623 char_u *(*fgetline) __ARGS((int, void *, int));
1624 void *cookie; /* argument for fgetline() */
1625 {
1626 # ifdef FEAT_EVAL
1627 char_u *(*gp) __ARGS((int, void *, int));
1628 struct loop_cookie *cp;
1629
1630 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1631 * cookie that's originally used to obtain the lines. This may be nested
1632 * several levels. */
1633 gp = fgetline;
1634 cp = (struct loop_cookie *)cookie;
1635 while (gp == get_loop_line)
1636 {
1637 gp = cp->getline;
1638 cp = cp->cookie;
1639 }
1640 return cp;
1641 # else
1642 return cookie;
1643 # endif
1644 }
1645 #endif
1646
1647 /*
1648 * Execute one Ex command.
1649 *
1650 * If 'sourcing' is TRUE, the command will be included in the error message.
1651 *
1652 * 1. skip comment lines and leading space
1653 * 2. handle command modifiers
1654 * 3. parse range
1655 * 4. parse command
1656 * 5. parse arguments
1657 * 6. switch on command name
1658 *
1659 * Note: "fgetline" can be NULL.
1660 *
1661 * This function may be called recursively!
1662 */
1663 #if (_MSC_VER == 1200)
1664 /*
1665 * Avoid optimisation bug in VC++ version 6.0
1666 */
1667 #pragma optimize( "g", off )
1668 #endif
1669 static char_u *
1670 do_one_cmd(cmdlinep, sourcing,
1671 #ifdef FEAT_EVAL
1672 cstack,
1673 #endif
1674 fgetline, cookie)
1675 char_u **cmdlinep;
1676 int sourcing;
1677 #ifdef FEAT_EVAL
1678 struct condstack *cstack;
1679 #endif
1680 char_u *(*fgetline) __ARGS((int, void *, int));
1681 void *cookie; /* argument for fgetline() */
1682 {
1683 char_u *p;
1684 linenr_T lnum;
1685 long n;
1686 char_u *errormsg = NULL; /* error message */
1687 exarg_T ea; /* Ex command arguments */
1688 long verbose_save = -1;
1689 int save_msg_scroll = 0;
1690 int did_silent = 0;
1691 int did_esilent = 0;
1692 #ifdef HAVE_SANDBOX
1693 int did_sandbox = FALSE;
1694 #endif
1695 cmdmod_T save_cmdmod;
1696 int ni; /* set when Not Implemented */
1697
1698 vim_memset(&ea, 0, sizeof(ea));
1699 ea.line1 = 1;
1700 ea.line2 = 1;
1701 #ifdef FEAT_EVAL
1702 ++ex_nesting_level;
1703 #endif
1704
1705 /* when not editing the last file :q has to be typed twice */
1706 if (quitmore
1707 #ifdef FEAT_EVAL
1708 /* avoid that a function call in 'statusline' does this */
1709 && !getline_equal(fgetline, cookie, get_func_line)
1710 #endif
1711 )
1712 --quitmore;
1713
1714 /*
1715 * Reset browse, confirm, etc.. They are restored when returning, for
1716 * recursive calls.
1717 */
1718 save_cmdmod = cmdmod;
1719 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1720
1721 /* "#!anything" is handled like a comment. */
1722 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1723 goto doend;
1724
1725 /*
1726 * Repeat until no more command modifiers are found.
1727 */
1728 ea.cmd = *cmdlinep;
1729 for (;;)
1730 {
1731 /*
1732 * 1. skip comment lines and leading white space and colons
1733 */
1734 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1735 ++ea.cmd;
1736
1737 /* in ex mode, an empty line works like :+ */
1738 if (*ea.cmd == NUL && exmode_active
1739 && (getline_equal(fgetline, cookie, getexmodeline)
1740 || getline_equal(fgetline, cookie, getexline))
1741 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1742 {
1743 ea.cmd = (char_u *)"+";
1744 ex_pressedreturn = TRUE;
1745 }
1746
1747 /* ignore comment and empty lines */
1748 if (*ea.cmd == '"')
1749 goto doend;
1750 if (*ea.cmd == NUL)
1751 {
1752 ex_pressedreturn = TRUE;
1753 goto doend;
1754 }
1755
1756 /*
1757 * 2. handle command modifiers.
1758 */
1759 p = ea.cmd;
1760 if (VIM_ISDIGIT(*ea.cmd))
1761 p = skipwhite(skipdigits(ea.cmd));
1762 switch (*p)
1763 {
1764 /* When adding an entry, also modify cmd_exists(). */
1765 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1766 break;
1767 #ifdef FEAT_WINDOWS
1768 cmdmod.split |= WSP_ABOVE;
1769 #endif
1770 continue;
1771
1772 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1773 {
1774 #ifdef FEAT_WINDOWS
1775 cmdmod.split |= WSP_BELOW;
1776 #endif
1777 continue;
1778 }
1779 if (checkforcmd(&ea.cmd, "browse", 3))
1780 {
1781 #ifdef FEAT_BROWSE_CMD
1782 cmdmod.browse = TRUE;
1783 #endif
1784 continue;
1785 }
1786 if (!checkforcmd(&ea.cmd, "botright", 2))
1787 break;
1788 #ifdef FEAT_WINDOWS
1789 cmdmod.split |= WSP_BOT;
1790 #endif
1791 continue;
1792
1793 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1794 break;
1795 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1796 cmdmod.confirm = TRUE;
1797 #endif
1798 continue;
1799
1800 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1801 {
1802 cmdmod.keepmarks = TRUE;
1803 continue;
1804 }
1805 if (checkforcmd(&ea.cmd, "keepalt", 5))
1806 {
1807 cmdmod.keepalt = TRUE;
1808 continue;
1809 }
1810 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1811 break;
1812 cmdmod.keepjumps = TRUE;
1813 continue;
1814
1815 /* ":hide" and ":hide | cmd" are not modifiers */
1816 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1817 || *p == NUL || ends_excmd(*p))
1818 break;
1819 ea.cmd = p;
1820 cmdmod.hide = TRUE;
1821 continue;
1822
1823 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1824 {
1825 cmdmod.lockmarks = TRUE;
1826 continue;
1827 }
1828
1829 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1830 break;
1831 #ifdef FEAT_WINDOWS
1832 cmdmod.split |= WSP_ABOVE;
1833 #endif
1834 continue;
1835
1836 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1837 break;
1838 #ifdef FEAT_AUTOCMD
1839 if (cmdmod.save_ei == NULL)
1840 {
1841 /* Set 'eventignore' to "all". Restore the
1842 * existing option value later. */
1843 cmdmod.save_ei = vim_strsave(p_ei);
1844 set_string_option_direct((char_u *)"ei", -1,
1845 (char_u *)"all", OPT_FREE, SID_NONE);
1846 }
1847 #endif
1848 continue;
1849
1850 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1851 break;
1852 #ifdef FEAT_WINDOWS
1853 cmdmod.split |= WSP_BELOW;
1854 #endif
1855 continue;
1856
1857 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1858 {
1859 #ifdef HAVE_SANDBOX
1860 if (!did_sandbox)
1861 ++sandbox;
1862 did_sandbox = TRUE;
1863 #endif
1864 continue;
1865 }
1866 if (!checkforcmd(&ea.cmd, "silent", 3))
1867 break;
1868 ++did_silent;
1869 ++msg_silent;
1870 save_msg_scroll = msg_scroll;
1871 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1872 {
1873 /* ":silent!", but not "silent !cmd" */
1874 ea.cmd = skipwhite(ea.cmd + 1);
1875 ++emsg_silent;
1876 ++did_esilent;
1877 }
1878 continue;
1879
1880 case 't': if (checkforcmd(&p, "tab", 3))
1881 {
1882 #ifdef FEAT_WINDOWS
1883 if (vim_isdigit(*ea.cmd))
1884 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1885 else
1886 cmdmod.tab = tabpage_index(curtab) + 1;
1887 ea.cmd = p;
1888 #endif
1889 continue;
1890 }
1891 if (!checkforcmd(&ea.cmd, "topleft", 2))
1892 break;
1893 #ifdef FEAT_WINDOWS
1894 cmdmod.split |= WSP_TOP;
1895 #endif
1896 continue;
1897
1898 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1899 {
1900 #ifdef FEAT_VERTSPLIT
1901 cmdmod.split |= WSP_VERT;
1902 #endif
1903 continue;
1904 }
1905 if (!checkforcmd(&p, "verbose", 4))
1906 break;
1907 if (verbose_save < 0)
1908 verbose_save = p_verbose;
1909 if (vim_isdigit(*ea.cmd))
1910 p_verbose = atoi((char *)ea.cmd);
1911 else
1912 p_verbose = 1;
1913 ea.cmd = p;
1914 continue;
1915 }
1916 break;
1917 }
1918
1919 #ifdef FEAT_EVAL
1920 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1921 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1922 #else
1923 ea.skip = (if_level > 0);
1924 #endif
1925
1926 #ifdef FEAT_EVAL
1927 # ifdef FEAT_PROFILE
1928 /* Count this line for profiling if ea.skip is FALSE. */
1929 if (do_profiling == PROF_YES && !ea.skip)
1930 {
1931 if (getline_equal(fgetline, cookie, get_func_line))
1932 func_line_exec(getline_cookie(fgetline, cookie));
1933 else if (getline_equal(fgetline, cookie, getsourceline))
1934 script_line_exec();
1935 }
1936 #endif
1937
1938 /* May go to debug mode. If this happens and the ">quit" debug command is
1939 * used, throw an interrupt exception and skip the next command. */
1940 dbg_check_breakpoint(&ea);
1941 if (!ea.skip && got_int)
1942 {
1943 ea.skip = TRUE;
1944 (void)do_intthrow(cstack);
1945 }
1946 #endif
1947
1948 /*
1949 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1950 *
1951 * where 'addr' is:
1952 *
1953 * % (entire file)
1954 * $ [+-NUM]
1955 * 'x [+-NUM] (where x denotes a currently defined mark)
1956 * . [+-NUM]
1957 * [+-NUM]..
1958 * NUM
1959 *
1960 * The ea.cmd pointer is updated to point to the first character following the
1961 * range spec. If an initial address is found, but no second, the upper bound
1962 * is equal to the lower.
1963 */
1964
1965 /* repeat for all ',' or ';' separated addresses */
1966 for (;;)
1967 {
1968 ea.line1 = ea.line2;
1969 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1970 ea.cmd = skipwhite(ea.cmd);
1971 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1972 if (ea.cmd == NULL) /* error detected */
1973 goto doend;
1974 if (lnum == MAXLNUM)
1975 {
1976 if (*ea.cmd == '%') /* '%' - all lines */
1977 {
1978 ++ea.cmd;
1979 ea.line1 = 1;
1980 ea.line2 = curbuf->b_ml.ml_line_count;
1981 ++ea.addr_count;
1982 }
1983 /* '*' - visual area */
1984 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1985 {
1986 pos_T *fp;
1987
1988 ++ea.cmd;
1989 if (!ea.skip)
1990 {
1991 fp = getmark('<', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line1 = fp->lnum;
1995 fp = getmark('>', FALSE);
1996 if (check_mark(fp) == FAIL)
1997 goto doend;
1998 ea.line2 = fp->lnum;
1999 ++ea.addr_count;
2000 }
2001 }
2002 }
2003 else
2004 ea.line2 = lnum;
2005 ea.addr_count++;
2006
2007 if (*ea.cmd == ';')
2008 {
2009 if (!ea.skip)
2010 curwin->w_cursor.lnum = ea.line2;
2011 }
2012 else if (*ea.cmd != ',')
2013 break;
2014 ++ea.cmd;
2015 }
2016
2017 /* One address given: set start and end lines */
2018 if (ea.addr_count == 1)
2019 {
2020 ea.line1 = ea.line2;
2021 /* ... but only implicit: really no address given */
2022 if (lnum == MAXLNUM)
2023 ea.addr_count = 0;
2024 }
2025
2026 /* Don't leave the cursor on an illegal line (caused by ';') */
2027 check_cursor_lnum();
2028
2029 /*
2030 * 4. parse command
2031 */
2032
2033 /*
2034 * Skip ':' and any white space
2035 */
2036 ea.cmd = skipwhite(ea.cmd);
2037 while (*ea.cmd == ':')
2038 ea.cmd = skipwhite(ea.cmd + 1);
2039
2040 /*
2041 * If we got a line, but no command, then go to the line.
2042 * If we find a '|' or '\n' we set ea.nextcmd.
2043 */
2044 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2045 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2046 {
2047 /*
2048 * strange vi behaviour:
2049 * ":3" jumps to line 3
2050 * ":3|..." prints line 3
2051 * ":|" prints current line
2052 */
2053 if (ea.skip) /* skip this if inside :if */
2054 goto doend;
2055 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2056 {
2057 ea.cmdidx = CMD_print;
2058 ea.argt = RANGE+COUNT+TRLBAR;
2059 if ((errormsg = invalid_range(&ea)) == NULL)
2060 {
2061 correct_range(&ea);
2062 ex_print(&ea);
2063 }
2064 }
2065 else if (ea.addr_count != 0)
2066 {
2067 if (ea.line2 > curbuf->b_ml.ml_line_count)
2068 {
2069 /* With '-' in 'cpoptions' a line number past the file is an
2070 * error, otherwise put it at the end of the file. */
2071 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2072 ea.line2 = -1;
2073 else
2074 ea.line2 = curbuf->b_ml.ml_line_count;
2075 }
2076
2077 if (ea.line2 < 0)
2078 errormsg = (char_u *)_(e_invrange);
2079 else
2080 {
2081 if (ea.line2 == 0)
2082 curwin->w_cursor.lnum = 1;
2083 else
2084 curwin->w_cursor.lnum = ea.line2;
2085 beginline(BL_SOL | BL_FIX);
2086 }
2087 }
2088 goto doend;
2089 }
2090
2091 /* Find the command and let "p" point to after it. */
2092 p = find_command(&ea, NULL);
2093
2094 #ifdef FEAT_USR_CMDS
2095 if (p == NULL)
2096 {
2097 if (!ea.skip)
2098 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2099 goto doend;
2100 }
2101 /* Check for wrong commands. */
2102 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2103 {
2104 errormsg = uc_fun_cmd();
2105 goto doend;
2106 }
2107 #endif
2108 if (ea.cmdidx == CMD_SIZE)
2109 {
2110 if (!ea.skip)
2111 {
2112 STRCPY(IObuff, _("E492: Not an editor command"));
2113 if (!sourcing)
2114 {
2115 STRCAT(IObuff, ": ");
2116 STRNCAT(IObuff, *cmdlinep, 40);
2117 }
2118 errormsg = IObuff;
2119 }
2120 goto doend;
2121 }
2122
2123 ni = (
2124 #ifdef FEAT_USR_CMDS
2125 !USER_CMDIDX(ea.cmdidx) &&
2126 #endif
2127 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2128 #ifdef HAVE_EX_SCRIPT_NI
2129 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2130 #endif
2131 ));
2132
2133 #ifndef FEAT_EVAL
2134 /*
2135 * When the expression evaluation is disabled, recognize the ":if" and
2136 * ":endif" commands and ignore everything in between it.
2137 */
2138 if (ea.cmdidx == CMD_if)
2139 ++if_level;
2140 if (if_level)
2141 {
2142 if (ea.cmdidx == CMD_endif)
2143 --if_level;
2144 goto doend;
2145 }
2146
2147 #endif
2148
2149 /* forced commands */
2150 if (*p == '!' && ea.cmdidx != CMD_substitute
2151 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2152 {
2153 ++p;
2154 ea.forceit = TRUE;
2155 }
2156 else
2157 ea.forceit = FALSE;
2158
2159 /*
2160 * 5. parse arguments
2161 */
2162 #ifdef FEAT_USR_CMDS
2163 if (!USER_CMDIDX(ea.cmdidx))
2164 #endif
2165 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2166
2167 if (!ea.skip)
2168 {
2169 #ifdef HAVE_SANDBOX
2170 if (sandbox != 0 && !(ea.argt & SBOXOK))
2171 {
2172 /* Command not allowed in sandbox. */
2173 errormsg = (char_u *)_(e_sandbox);
2174 goto doend;
2175 }
2176 #endif
2177 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2178 {
2179 /* Command not allowed in non-'modifiable' buffer */
2180 errormsg = (char_u *)_(e_modifiable);
2181 goto doend;
2182 }
2183
2184 if (text_locked() && !(ea.argt & CMDWIN)
2185 # ifdef FEAT_USR_CMDS
2186 && !USER_CMDIDX(ea.cmdidx)
2187 # endif
2188 )
2189 {
2190 /* Command not allowed when editing the command line. */
2191 #ifdef FEAT_CMDWIN
2192 if (cmdwin_type != 0)
2193 errormsg = (char_u *)_(e_cmdwin);
2194 else
2195 #endif
2196 errormsg = (char_u *)_(e_secure);
2197 goto doend;
2198 }
2199 #ifdef FEAT_AUTOCMD
2200 /* Disallow editing another buffer when "curbuf_lock" is set.
2201 * Do allow ":edit" (check for argument later).
2202 * Do allow ":checktime" (it's postponed). */
2203 if (!(ea.argt & CMDWIN)
2204 && ea.cmdidx != CMD_edit
2205 && ea.cmdidx != CMD_checktime
2206 # ifdef FEAT_USR_CMDS
2207 && !USER_CMDIDX(ea.cmdidx)
2208 # endif
2209 && curbuf_locked())
2210 goto doend;
2211 #endif
2212
2213 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2214 {
2215 /* no range allowed */
2216 errormsg = (char_u *)_(e_norange);
2217 goto doend;
2218 }
2219 }
2220
2221 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2222 {
2223 errormsg = (char_u *)_(e_nobang);
2224 goto doend;
2225 }
2226
2227 /*
2228 * Don't complain about the range if it is not used
2229 * (could happen if line_count is accidentally set to 0).
2230 */
2231 if (!ea.skip && !ni)
2232 {
2233 /*
2234 * If the range is backwards, ask for confirmation and, if given, swap
2235 * ea.line1 & ea.line2 so it's forwards again.
2236 * When global command is busy, don't ask, will fail below.
2237 */
2238 if (!global_busy && ea.line1 > ea.line2)
2239 {
2240 if (msg_silent == 0)
2241 {
2242 if (sourcing || exmode_active)
2243 {
2244 errormsg = (char_u *)_("E493: Backwards range given");
2245 goto doend;
2246 }
2247 if (ask_yesno((char_u *)
2248 _("Backwards range given, OK to swap"), FALSE) != 'y')
2249 goto doend;
2250 }
2251 lnum = ea.line1;
2252 ea.line1 = ea.line2;
2253 ea.line2 = lnum;
2254 }
2255 if ((errormsg = invalid_range(&ea)) != NULL)
2256 goto doend;
2257 }
2258
2259 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2260 ea.line2 = 1;
2261
2262 correct_range(&ea);
2263
2264 #ifdef FEAT_FOLDING
2265 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2266 {
2267 /* Put the first line at the start of a closed fold, put the last line
2268 * at the end of a closed fold. */
2269 (void)hasFolding(ea.line1, &ea.line1, NULL);
2270 (void)hasFolding(ea.line2, NULL, &ea.line2);
2271 }
2272 #endif
2273
2274 #ifdef FEAT_QUICKFIX
2275 /*
2276 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2277 * option here, so things like % get expanded.
2278 */
2279 p = replace_makeprg(&ea, p, cmdlinep);
2280 if (p == NULL)
2281 goto doend;
2282 #endif
2283
2284 /*
2285 * Skip to start of argument.
2286 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2287 */
2288 if (ea.cmdidx == CMD_bang)
2289 ea.arg = p;
2290 else
2291 ea.arg = skipwhite(p);
2292
2293 /*
2294 * Check for "++opt=val" argument.
2295 * Must be first, allow ":w ++enc=utf8 !cmd"
2296 */
2297 if (ea.argt & ARGOPT)
2298 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2299 if (getargopt(&ea) == FAIL && !ni)
2300 {
2301 errormsg = (char_u *)_(e_invarg);
2302 goto doend;
2303 }
2304
2305 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2306 {
2307 if (*ea.arg == '>') /* append */
2308 {
2309 if (*++ea.arg != '>') /* typed wrong */
2310 {
2311 errormsg = (char_u *)_("E494: Use w or w>>");
2312 goto doend;
2313 }
2314 ea.arg = skipwhite(ea.arg + 1);
2315 ea.append = TRUE;
2316 }
2317 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2318 {
2319 ++ea.arg;
2320 ea.usefilter = TRUE;
2321 }
2322 }
2323
2324 if (ea.cmdidx == CMD_read)
2325 {
2326 if (ea.forceit)
2327 {
2328 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2329 ea.forceit = FALSE;
2330 }
2331 else if (*ea.arg == '!') /* :r !filter */
2332 {
2333 ++ea.arg;
2334 ea.usefilter = TRUE;
2335 }
2336 }
2337
2338 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2339 {
2340 ea.amount = 1;
2341 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2342 {
2343 ++ea.arg;
2344 ++ea.amount;
2345 }
2346 ea.arg = skipwhite(ea.arg);
2347 }
2348
2349 /*
2350 * Check for "+command" argument, before checking for next command.
2351 * Don't do this for ":read !cmd" and ":write !cmd".
2352 */
2353 if ((ea.argt & EDITCMD) && !ea.usefilter)
2354 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2355
2356 /*
2357 * Check for '|' to separate commands and '"' to start comments.
2358 * Don't do this for ":read !cmd" and ":write !cmd".
2359 */
2360 if ((ea.argt & TRLBAR) && !ea.usefilter)
2361 separate_nextcmd(&ea);
2362
2363 /*
2364 * Check for <newline> to end a shell command.
2365 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2366 * Any others?
2367 */
2368 else if (ea.cmdidx == CMD_bang
2369 || ea.cmdidx == CMD_global
2370 || ea.cmdidx == CMD_vglobal
2371 || ea.usefilter)
2372 {
2373 for (p = ea.arg; *p; ++p)
2374 {
2375 /* Remove one backslash before a newline, so that it's possible to
2376 * pass a newline to the shell and also a newline that is preceded
2377 * with a backslash. This makes it impossible to end a shell
2378 * command in a backslash, but that doesn't appear useful.
2379 * Halving the number of backslashes is incompatible with previous
2380 * versions. */
2381 if (*p == '\\' && p[1] == '\n')
2382 STRMOVE(p, p + 1);
2383 else if (*p == '\n')
2384 {
2385 ea.nextcmd = p + 1;
2386 *p = NUL;
2387 break;
2388 }
2389 }
2390 }
2391
2392 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2393 {
2394 ea.line1 = 1;
2395 ea.line2 = curbuf->b_ml.ml_line_count;
2396 }
2397
2398 /* accept numbered register only when no count allowed (:put) */
2399 if ( (ea.argt & REGSTR)
2400 && *ea.arg != NUL
2401 #ifdef FEAT_USR_CMDS
2402 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2403 && USER_CMDIDX(ea.cmdidx)))
2404 /* Do not allow register = for user commands */
2405 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2406 #else
2407 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2408 #endif
2409 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2410 {
2411 ea.regname = *ea.arg++;
2412 #ifdef FEAT_EVAL
2413 /* for '=' register: accept the rest of the line as an expression */
2414 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2415 {
2416 set_expr_line(vim_strsave(ea.arg));
2417 ea.arg += STRLEN(ea.arg);
2418 }
2419 #endif
2420 ea.arg = skipwhite(ea.arg);
2421 }
2422
2423 /*
2424 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2425 * count, it's a buffer name.
2426 */
2427 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2428 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2429 || vim_iswhite(*p)))
2430 {
2431 n = getdigits(&ea.arg);
2432 ea.arg = skipwhite(ea.arg);
2433 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2434 {
2435 errormsg = (char_u *)_(e_zerocount);
2436 goto doend;
2437 }
2438 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2439 {
2440 ea.line2 = n;
2441 if (ea.addr_count == 0)
2442 ea.addr_count = 1;
2443 }
2444 else
2445 {
2446 ea.line1 = ea.line2;
2447 ea.line2 += n - 1;
2448 ++ea.addr_count;
2449 /*
2450 * Be vi compatible: no error message for out of range.
2451 */
2452 if (ea.line2 > curbuf->b_ml.ml_line_count)
2453 ea.line2 = curbuf->b_ml.ml_line_count;
2454 }
2455 }
2456
2457 /*
2458 * Check for flags: 'l', 'p' and '#'.
2459 */
2460 if (ea.argt & EXFLAGS)
2461 get_flags(&ea);
2462 /* no arguments allowed */
2463 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2464 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2465 {
2466 errormsg = (char_u *)_(e_trailing);
2467 goto doend;
2468 }
2469
2470 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2471 {
2472 errormsg = (char_u *)_(e_argreq);
2473 goto doend;
2474 }
2475
2476 #ifdef FEAT_EVAL
2477 /*
2478 * Skip the command when it's not going to be executed.
2479 * The commands like :if, :endif, etc. always need to be executed.
2480 * Also make an exception for commands that handle a trailing command
2481 * themselves.
2482 */
2483 if (ea.skip)
2484 {
2485 switch (ea.cmdidx)
2486 {
2487 /* commands that need evaluation */
2488 case CMD_while:
2489 case CMD_endwhile:
2490 case CMD_for:
2491 case CMD_endfor:
2492 case CMD_if:
2493 case CMD_elseif:
2494 case CMD_else:
2495 case CMD_endif:
2496 case CMD_try:
2497 case CMD_catch:
2498 case CMD_finally:
2499 case CMD_endtry:
2500 case CMD_function:
2501 break;
2502
2503 /* Commands that handle '|' themselves. Check: A command should
2504 * either have the TRLBAR flag, appear in this list or appear in
2505 * the list at ":help :bar". */
2506 case CMD_aboveleft:
2507 case CMD_and:
2508 case CMD_belowright:
2509 case CMD_botright:
2510 case CMD_browse:
2511 case CMD_call:
2512 case CMD_confirm:
2513 case CMD_delfunction:
2514 case CMD_djump:
2515 case CMD_dlist:
2516 case CMD_dsearch:
2517 case CMD_dsplit:
2518 case CMD_echo:
2519 case CMD_echoerr:
2520 case CMD_echomsg:
2521 case CMD_echon:
2522 case CMD_execute:
2523 case CMD_help:
2524 case CMD_hide:
2525 case CMD_ijump:
2526 case CMD_ilist:
2527 case CMD_isearch:
2528 case CMD_isplit:
2529 case CMD_keepalt:
2530 case CMD_keepjumps:
2531 case CMD_keepmarks:
2532 case CMD_leftabove:
2533 case CMD_let:
2534 case CMD_lockmarks:
2535 case CMD_match:
2536 case CMD_mzscheme:
2537 case CMD_perl:
2538 case CMD_psearch:
2539 case CMD_python:
2540 case CMD_return:
2541 case CMD_rightbelow:
2542 case CMD_ruby:
2543 case CMD_silent:
2544 case CMD_smagic:
2545 case CMD_snomagic:
2546 case CMD_substitute:
2547 case CMD_syntax:
2548 case CMD_tab:
2549 case CMD_tcl:
2550 case CMD_throw:
2551 case CMD_tilde:
2552 case CMD_topleft:
2553 case CMD_unlet:
2554 case CMD_verbose:
2555 case CMD_vertical:
2556 break;
2557
2558 default: goto doend;
2559 }
2560 }
2561 #endif
2562
2563 if (ea.argt & XFILE)
2564 {
2565 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2566 goto doend;
2567 }
2568
2569 #ifdef FEAT_LISTCMDS
2570 /*
2571 * Accept buffer name. Cannot be used at the same time with a buffer
2572 * number. Don't do this for a user command.
2573 */
2574 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2575 # ifdef FEAT_USR_CMDS
2576 && !USER_CMDIDX(ea.cmdidx)
2577 # endif
2578 )
2579 {
2580 /*
2581 * :bdelete, :bwipeout and :bunload take several arguments, separated
2582 * by spaces: find next space (skipping over escaped characters).
2583 * The others take one argument: ignore trailing spaces.
2584 */
2585 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2586 || ea.cmdidx == CMD_bunload)
2587 p = skiptowhite_esc(ea.arg);
2588 else
2589 {
2590 p = ea.arg + STRLEN(ea.arg);
2591 while (p > ea.arg && vim_iswhite(p[-1]))
2592 --p;
2593 }
2594 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2595 if (ea.line2 < 0) /* failed */
2596 goto doend;
2597 ea.addr_count = 1;
2598 ea.arg = skipwhite(p);
2599 }
2600 #endif
2601
2602 /*
2603 * 6. switch on command name
2604 *
2605 * The "ea" structure holds the arguments that can be used.
2606 */
2607 ea.cmdlinep = cmdlinep;
2608 ea.getline = fgetline;
2609 ea.cookie = cookie;
2610 #ifdef FEAT_EVAL
2611 ea.cstack = cstack;
2612 #endif
2613
2614 #ifdef FEAT_USR_CMDS
2615 if (USER_CMDIDX(ea.cmdidx))
2616 {
2617 /*
2618 * Execute a user-defined command.
2619 */
2620 do_ucmd(&ea);
2621 }
2622 else
2623 #endif
2624 {
2625 /*
2626 * Call the function to execute the command.
2627 */
2628 ea.errmsg = NULL;
2629 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2630 if (ea.errmsg != NULL)
2631 errormsg = (char_u *)_(ea.errmsg);
2632 }
2633
2634 #ifdef FEAT_EVAL
2635 /*
2636 * If the command just executed called do_cmdline(), any throw or ":return"
2637 * or ":finish" encountered there must also check the cstack of the still
2638 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2639 * exception, or reanimate a returned function or finished script file and
2640 * return or finish it again.
2641 */
2642 if (need_rethrow)
2643 do_throw(cstack);
2644 else if (check_cstack)
2645 {
2646 if (source_finished(fgetline, cookie))
2647 do_finish(&ea, TRUE);
2648 else if (getline_equal(fgetline, cookie, get_func_line)
2649 && current_func_returned())
2650 do_return(&ea, TRUE, FALSE, NULL);
2651 }
2652 need_rethrow = check_cstack = FALSE;
2653 #endif
2654
2655 doend:
2656 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2657 curwin->w_cursor.lnum = 1;
2658
2659 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2660 {
2661 if (sourcing)
2662 {
2663 if (errormsg != IObuff)
2664 {
2665 STRCPY(IObuff, errormsg);
2666 errormsg = IObuff;
2667 }
2668 STRCAT(errormsg, ": ");
2669 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2670 }
2671 emsg(errormsg);
2672 }
2673 #ifdef FEAT_EVAL
2674 do_errthrow(cstack,
2675 (ea.cmdidx != CMD_SIZE
2676 # ifdef FEAT_USR_CMDS
2677 && !USER_CMDIDX(ea.cmdidx)
2678 # endif
2679 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2680 #endif
2681
2682 if (verbose_save >= 0)
2683 p_verbose = verbose_save;
2684 #ifdef FEAT_AUTOCMD
2685 if (cmdmod.save_ei != NULL)
2686 {
2687 /* Restore 'eventignore' to the value before ":noautocmd". */
2688 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2689 OPT_FREE, SID_NONE);
2690 free_string_option(cmdmod.save_ei);
2691 }
2692 #endif
2693
2694 cmdmod = save_cmdmod;
2695
2696 if (did_silent > 0)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 msg_silent -= did_silent;
2701 if (msg_silent < 0)
2702 msg_silent = 0;
2703 emsg_silent -= did_esilent;
2704 if (emsg_silent < 0)
2705 emsg_silent = 0;
2706 /* Restore msg_scroll, it's set by file I/O commands, even when no
2707 * message is actually displayed. */
2708 msg_scroll = save_msg_scroll;
2709 }
2710
2711 #ifdef HAVE_SANDBOX
2712 if (did_sandbox)
2713 --sandbox;
2714 #endif
2715
2716 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2717 ea.nextcmd = NULL;
2718
2719 #ifdef FEAT_EVAL
2720 --ex_nesting_level;
2721 #endif
2722
2723 return ea.nextcmd;
2724 }
2725 #if (_MSC_VER == 1200)
2726 #pragma optimize( "", on )
2727 #endif
2728
2729 /*
2730 * Check for an Ex command with optional tail.
2731 * If there is a match advance "pp" to the argument and return TRUE.
2732 */
2733 int
2734 checkforcmd(pp, cmd, len)
2735 char_u **pp; /* start of command */
2736 char *cmd; /* name of command */
2737 int len; /* required length */
2738 {
2739 int i;
2740
2741 for (i = 0; cmd[i] != NUL; ++i)
2742 if (cmd[i] != (*pp)[i])
2743 break;
2744 if (i >= len && !isalpha((*pp)[i]))
2745 {
2746 *pp = skipwhite(*pp + i);
2747 return TRUE;
2748 }
2749 return FALSE;
2750 }
2751
2752 /*
2753 * Find an Ex command by its name, either built-in or user.
2754 * Start of the name can be found at eap->cmd.
2755 * Returns pointer to char after the command name.
2756 * "full" is set to TRUE if the whole command name matched.
2757 * Returns NULL for an ambiguous user command.
2758 */
2759 /*ARGSUSED*/
2760 static char_u *
2761 find_command(eap, full)
2762 exarg_T *eap;
2763 int *full;
2764 {
2765 int len;
2766 char_u *p;
2767 int i;
2768
2769 /*
2770 * Isolate the command and search for it in the command table.
2771 * Exceptions:
2772 * - the 'k' command can directly be followed by any character.
2773 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2774 * but :sre[wind] is another command, as are :scrip[tnames],
2775 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2776 * - the "d" command can directly be followed by 'l' or 'p' flag.
2777 */
2778 p = eap->cmd;
2779 if (*p == 'k')
2780 {
2781 eap->cmdidx = CMD_k;
2782 ++p;
2783 }
2784 else if (p[0] == 's'
2785 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2786 && p[3] != 'i' && p[4] != 'p')
2787 || p[1] == 'g'
2788 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2789 || p[1] == 'I'
2790 || (p[1] == 'r' && p[2] != 'e')))
2791 {
2792 eap->cmdidx = CMD_substitute;
2793 ++p;
2794 }
2795 else
2796 {
2797 while (ASCII_ISALPHA(*p))
2798 ++p;
2799 /* check for non-alpha command */
2800 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2801 ++p;
2802 len = (int)(p - eap->cmd);
2803 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2804 {
2805 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2806 * :delete with the 'l' flag. Same for 'p'. */
2807 for (i = 0; i < len; ++i)
2808 if (eap->cmd[i] != "delete"[i])
2809 break;
2810 if (i == len - 1)
2811 {
2812 --len;
2813 if (p[-1] == 'l')
2814 eap->flags |= EXFLAG_LIST;
2815 else
2816 eap->flags |= EXFLAG_PRINT;
2817 }
2818 }
2819
2820 if (ASCII_ISLOWER(*eap->cmd))
2821 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2822 else
2823 eap->cmdidx = cmdidxs[26];
2824
2825 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2826 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2827 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2828 (size_t)len) == 0)
2829 {
2830 #ifdef FEAT_EVAL
2831 if (full != NULL
2832 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2833 *full = TRUE;
2834 #endif
2835 break;
2836 }
2837
2838 #ifdef FEAT_USR_CMDS
2839 /* Look for a user defined command as a last resort */
2840 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2841 {
2842 /* User defined commands may contain digits. */
2843 while (ASCII_ISALNUM(*p))
2844 ++p;
2845 p = find_ucmd(eap, p, full, NULL, NULL);
2846 }
2847 #endif
2848 if (p == eap->cmd)
2849 eap->cmdidx = CMD_SIZE;
2850 }
2851
2852 return p;
2853 }
2854
2855 #ifdef FEAT_USR_CMDS
2856 /*
2857 * Search for a user command that matches "eap->cmd".
2858 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2859 * Return a pointer to just after the command.
2860 * Return NULL if there is no matching command.
2861 */
2862 static char_u *
2863 find_ucmd(eap, p, full, xp, compl)
2864 exarg_T *eap;
2865 char_u *p; /* end of the command (possibly including count) */
2866 int *full; /* set to TRUE for a full match */
2867 expand_T *xp; /* used for completion, NULL otherwise */
2868 int *compl; /* completion flags or NULL */
2869 {
2870 int len = (int)(p - eap->cmd);
2871 int j, k, matchlen = 0;
2872 ucmd_T *uc;
2873 int found = FALSE;
2874 int possible = FALSE;
2875 char_u *cp, *np; /* Point into typed cmd and test name */
2876 garray_T *gap;
2877 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2878 only full match global is accepted. */
2879
2880 /*
2881 * Look for buffer-local user commands first, then global ones.
2882 */
2883 gap = &curbuf->b_ucmds;
2884 for (;;)
2885 {
2886 for (j = 0; j < gap->ga_len; ++j)
2887 {
2888 uc = USER_CMD_GA(gap, j);
2889 cp = eap->cmd;
2890 np = uc->uc_name;
2891 k = 0;
2892 while (k < len && *np != NUL && *cp++ == *np++)
2893 k++;
2894 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2895 {
2896 /* If finding a second match, the command is ambiguous. But
2897 * not if a buffer-local command wasn't a full match and a
2898 * global command is a full match. */
2899 if (k == len && found && *np != NUL)
2900 {
2901 if (gap == &ucmds)
2902 return NULL;
2903 amb_local = TRUE;
2904 }
2905
2906 if (!found || (k == len && *np == NUL))
2907 {
2908 /* If we matched up to a digit, then there could
2909 * be another command including the digit that we
2910 * should use instead.
2911 */
2912 if (k == len)
2913 found = TRUE;
2914 else
2915 possible = TRUE;
2916
2917 if (gap == &ucmds)
2918 eap->cmdidx = CMD_USER;
2919 else
2920 eap->cmdidx = CMD_USER_BUF;
2921 eap->argt = (long)uc->uc_argt;
2922 eap->useridx = j;
2923
2924 # ifdef FEAT_CMDL_COMPL
2925 if (compl != NULL)
2926 *compl = uc->uc_compl;
2927 # ifdef FEAT_EVAL
2928 if (xp != NULL)
2929 {
2930 xp->xp_arg = uc->uc_compl_arg;
2931 xp->xp_scriptID = uc->uc_scriptID;
2932 }
2933 # endif
2934 # endif
2935 /* Do not search for further abbreviations
2936 * if this is an exact match. */
2937 matchlen = k;
2938 if (k == len && *np == NUL)
2939 {
2940 if (full != NULL)
2941 *full = TRUE;
2942 amb_local = FALSE;
2943 break;
2944 }
2945 }
2946 }
2947 }
2948
2949 /* Stop if we found a full match or searched all. */
2950 if (j < gap->ga_len || gap == &ucmds)
2951 break;
2952 gap = &ucmds;
2953 }
2954
2955 /* Only found ambiguous matches. */
2956 if (amb_local)
2957 {
2958 if (xp != NULL)
2959 xp->xp_context = EXPAND_UNSUCCESSFUL;
2960 return NULL;
2961 }
2962
2963 /* The match we found may be followed immediately by a number. Move "p"
2964 * back to point to it. */
2965 if (found || possible)
2966 return p + (matchlen - len);
2967 return p;
2968 }
2969 #endif
2970
2971 #if defined(FEAT_EVAL) || defined(PROTO)
2972 static struct cmdmod
2973 {
2974 char *name;
2975 int minlen;
2976 int has_count; /* :123verbose :3tab */
2977 } cmdmods[] = {
2978 {"aboveleft", 3, FALSE},
2979 {"belowright", 3, FALSE},
2980 {"botright", 2, FALSE},
2981 {"browse", 3, FALSE},
2982 {"confirm", 4, FALSE},
2983 {"hide", 3, FALSE},
2984 {"keepalt", 5, FALSE},
2985 {"keepjumps", 5, FALSE},
2986 {"keepmarks", 3, FALSE},
2987 {"leftabove", 5, FALSE},
2988 {"lockmarks", 3, FALSE},
2989 {"noautocmd", 3, FALSE},
2990 {"rightbelow", 6, FALSE},
2991 {"sandbox", 3, FALSE},
2992 {"silent", 3, FALSE},
2993 {"tab", 3, TRUE},
2994 {"topleft", 2, FALSE},
2995 {"verbose", 4, TRUE},
2996 {"vertical", 4, FALSE},
2997 };
2998
2999 /*
3000 * Return length of a command modifier (including optional count).
3001 * Return zero when it's not a modifier.
3002 */
3003 int
3004 modifier_len(cmd)
3005 char_u *cmd;
3006 {
3007 int i, j;
3008 char_u *p = cmd;
3009
3010 if (VIM_ISDIGIT(*cmd))
3011 p = skipwhite(skipdigits(cmd));
3012 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3013 {
3014 for (j = 0; p[j] != NUL; ++j)
3015 if (p[j] != cmdmods[i].name[j])
3016 break;
3017 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3018 && (p == cmd || cmdmods[i].has_count))
3019 return j + (int)(p - cmd);
3020 }
3021 return 0;
3022 }
3023
3024 /*
3025 * Return > 0 if an Ex command "name" exists.
3026 * Return 2 if there is an exact match.
3027 * Return 3 if there is an ambiguous match.
3028 */
3029 int
3030 cmd_exists(name)
3031 char_u *name;
3032 {
3033 exarg_T ea;
3034 int full = FALSE;
3035 int i;
3036 int j;
3037 char_u *p;
3038
3039 /* Check command modifiers. */
3040 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3041 {
3042 for (j = 0; name[j] != NUL; ++j)
3043 if (name[j] != cmdmods[i].name[j])
3044 break;
3045 if (name[j] == NUL && j >= cmdmods[i].minlen)
3046 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3047 }
3048
3049 /* Check built-in commands and user defined commands.
3050 * For ":2match" and ":3match" we need to skip the number. */
3051 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3052 ea.cmdidx = (cmdidx_T)0;
3053 p = find_command(&ea, &full);
3054 if (p == NULL)
3055 return 3;
3056 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3057 return 0;
3058 if (*skipwhite(p) != NUL)
3059 return 0; /* trailing garbage */
3060 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3061 }
3062 #endif
3063
3064 /*
3065 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3066 * we don't need/want deleted. Maybe this could be done better if we didn't
3067 * repeat all this stuff. The only problem is that they may not stay
3068 * perfectly compatible with each other, but then the command line syntax
3069 * probably won't change that much -- webb.
3070 */
3071 char_u *
3072 set_one_cmd_context(xp, buff)
3073 expand_T *xp;
3074 char_u *buff; /* buffer for command string */
3075 {
3076 char_u *p;
3077 char_u *cmd, *arg;
3078 int len = 0;
3079 exarg_T ea;
3080 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3081 int compl = EXPAND_NOTHING;
3082 #endif
3083 #ifdef FEAT_CMDL_COMPL
3084 int delim;
3085 #endif
3086 int forceit = FALSE;
3087 int usefilter = FALSE; /* filter instead of file name */
3088
3089 ExpandInit(xp);
3090 xp->xp_pattern = buff;
3091 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3092 ea.argt = 0;
3093
3094 /*
3095 * 2. skip comment lines and leading space, colons or bars
3096 */
3097 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3098 ;
3099 xp->xp_pattern = cmd;
3100
3101 if (*cmd == NUL)
3102 return NULL;
3103 if (*cmd == '"') /* ignore comment lines */
3104 {
3105 xp->xp_context = EXPAND_NOTHING;
3106 return NULL;
3107 }
3108
3109 /*
3110 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3111 */
3112 cmd = skip_range(cmd, &xp->xp_context);
3113
3114 /*
3115 * 4. parse command
3116 */
3117 xp->xp_pattern = cmd;
3118 if (*cmd == NUL)
3119 return NULL;
3120 if (*cmd == '"')
3121 {
3122 xp->xp_context = EXPAND_NOTHING;
3123 return NULL;
3124 }
3125
3126 if (*cmd == '|' || *cmd == '\n')
3127 return cmd + 1; /* There's another command */
3128
3129 /*
3130 * Isolate the command and search for it in the command table.
3131 * Exceptions:
3132 * - the 'k' command can directly be followed by any character, but
3133 * do accept "keepmarks", "keepalt" and "keepjumps".
3134 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3135 */
3136 if (*cmd == 'k' && cmd[1] != 'e')
3137 {
3138 ea.cmdidx = CMD_k;
3139 p = cmd + 1;
3140 }
3141 else
3142 {
3143 p = cmd;
3144 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3145 ++p;
3146 /* check for non-alpha command */
3147 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3148 ++p;
3149 len = (int)(p - cmd);
3150
3151 if (len == 0)
3152 {
3153 xp->xp_context = EXPAND_UNSUCCESSFUL;
3154 return NULL;
3155 }
3156 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3157 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3158 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3159 break;
3160
3161 #ifdef FEAT_USR_CMDS
3162 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3163 {
3164 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3165 ++p;
3166 len = (int)(p - cmd);
3167 }
3168 #endif
3169 }
3170
3171 /*
3172 * If the cursor is touching the command, and it ends in an alpha-numeric
3173 * character, complete the command name.
3174 */
3175 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3176 return NULL;
3177
3178 if (ea.cmdidx == CMD_SIZE)
3179 {
3180 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3181 {
3182 ea.cmdidx = CMD_substitute;
3183 p = cmd + 1;
3184 }
3185 #ifdef FEAT_USR_CMDS
3186 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3187 {
3188 ea.cmd = cmd;
3189 p = find_ucmd(&ea, p, NULL, xp,
3190 # if defined(FEAT_CMDL_COMPL)
3191 &compl
3192 # else
3193 NULL
3194 # endif
3195 );
3196 if (p == NULL)
3197 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3198 }
3199 #endif
3200 }
3201 if (ea.cmdidx == CMD_SIZE)
3202 {
3203 /* Not still touching the command and it was an illegal one */
3204 xp->xp_context = EXPAND_UNSUCCESSFUL;
3205 return NULL;
3206 }
3207
3208 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3209
3210 if (*p == '!') /* forced commands */
3211 {
3212 forceit = TRUE;
3213 ++p;
3214 }
3215
3216 /*
3217 * 5. parse arguments
3218 */
3219 #ifdef FEAT_USR_CMDS
3220 if (!USER_CMDIDX(ea.cmdidx))
3221 #endif
3222 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3223
3224 arg = skipwhite(p);
3225
3226 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3227 {
3228 if (*arg == '>') /* append */
3229 {
3230 if (*++arg == '>')
3231 ++arg;
3232 arg = skipwhite(arg);
3233 }
3234 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3235 {
3236 ++arg;
3237 usefilter = TRUE;
3238 }
3239 }
3240
3241 if (ea.cmdidx == CMD_read)
3242 {
3243 usefilter = forceit; /* :r! filter if forced */
3244 if (*arg == '!') /* :r !filter */
3245 {
3246 ++arg;
3247 usefilter = TRUE;
3248 }
3249 }
3250
3251 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3252 {
3253 while (*arg == *cmd) /* allow any number of '>' or '<' */
3254 ++arg;
3255 arg = skipwhite(arg);
3256 }
3257
3258 /* Does command allow "+command"? */
3259 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3260 {
3261 /* Check if we're in the +command */
3262 p = arg + 1;
3263 arg = skip_cmd_arg(arg, FALSE);
3264
3265 /* Still touching the command after '+'? */
3266 if (*arg == NUL)
3267 return p;
3268
3269 /* Skip space(s) after +command to get to the real argument */
3270 arg = skipwhite(arg);
3271 }
3272
3273 /*
3274 * Check for '|' to separate commands and '"' to start comments.
3275 * Don't do this for ":read !cmd" and ":write !cmd".
3276 */
3277 if ((ea.argt & TRLBAR) && !usefilter)
3278 {
3279 p = arg;
3280 /* ":redir @" is not the start of a comment */
3281 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3282 p += 2;
3283 while (*p)
3284 {
3285 if (*p == Ctrl_V)
3286 {
3287 if (p[1] != NUL)
3288 ++p;
3289 }
3290 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3291 || *p == '|' || *p == '\n')
3292 {
3293 if (*(p - 1) != '\\')
3294 {
3295 if (*p == '|' || *p == '\n')
3296 return p + 1;
3297 return NULL; /* It's a comment */
3298 }
3299 }
3300 mb_ptr_adv(p);
3301 }
3302 }
3303
3304 /* no arguments allowed */
3305 if (!(ea.argt & EXTRA) && *arg != NUL &&
3306 vim_strchr((char_u *)"|\"", *arg) == NULL)
3307 return NULL;
3308
3309 /* Find start of last argument (argument just before cursor): */
3310 p = buff + STRLEN(buff);
3311 while (p != arg && *p != ' ' && *p != TAB)
3312 p--;
3313 if (*p == ' ' || *p == TAB)
3314 p++;
3315 xp->xp_pattern = p;
3316
3317 if (ea.argt & XFILE)
3318 {
3319 int c;
3320 int in_quote = FALSE;
3321 char_u *bow = NULL; /* Beginning of word */
3322
3323 /*
3324 * Allow spaces within back-quotes to count as part of the argument
3325 * being expanded.
3326 */
3327 xp->xp_pattern = skipwhite(arg);
3328 p = xp->xp_pattern;
3329 while (*p != NUL)
3330 {
3331 #ifdef FEAT_MBYTE
3332 if (has_mbyte)
3333 c = mb_ptr2char(p);
3334 else
3335 #endif
3336 c = *p;
3337 if (c == '\\' && p[1] != NUL)
3338 ++p;
3339 else if (c == '`')
3340 {
3341 if (!in_quote)
3342 {
3343 xp->xp_pattern = p;
3344 bow = p + 1;
3345 }
3346 in_quote = !in_quote;
3347 }
3348 /* An argument can contain just about everything, except
3349 * characters that end the command and white space. */
3350 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3351 #ifdef SPACE_IN_FILENAME
3352 && (!(ea.argt & NOSPC) || usefilter)
3353 #endif
3354 ))
3355 {
3356 len = 0; /* avoid getting stuck when space is in 'isfname' */
3357 while (*p != NUL)
3358 {
3359 #ifdef FEAT_MBYTE
3360 if (has_mbyte)
3361 c = mb_ptr2char(p);
3362 else
3363 #endif
3364 c = *p;
3365 if (c == '`' || vim_isfilec_or_wc(c))
3366 break;
3367 #ifdef FEAT_MBYTE
3368 if (has_mbyte)
3369 len = (*mb_ptr2len)(p);
3370 else
3371 #endif
3372 len = 1;
3373 mb_ptr_adv(p);
3374 }
3375 if (in_quote)
3376 bow = p;
3377 else
3378 xp->xp_pattern = p;
3379 p -= len;
3380 }
3381 mb_ptr_adv(p);
3382 }
3383
3384 /*
3385 * If we are still inside the quotes, and we passed a space, just
3386 * expand from there.
3387 */
3388 if (bow != NULL && in_quote)
3389 xp->xp_pattern = bow;
3390 xp->xp_context = EXPAND_FILES;
3391
3392 #ifndef BACKSLASH_IN_FILENAME
3393 /* For a shell command more chars need to be escaped. */
3394 if (usefilter || ea.cmdidx == CMD_bang)
3395 {
3396 xp->xp_shell = TRUE;
3397
3398 /* When still after the command name expand executables. */
3399 if (xp->xp_pattern == skipwhite(arg))
3400 xp->xp_context = EXPAND_SHELLCMD;
3401 }
3402 #endif
3403
3404 /* Check for environment variable */
3405 if (*xp->xp_pattern == '$'
3406 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3407 || *xp->xp_pattern == '%'
3408 #endif
3409 )
3410 {
3411 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3412 if (!vim_isIDc(*p))
3413 break;
3414 if (*p == NUL)
3415 {
3416 xp->xp_context = EXPAND_ENV_VARS;
3417 ++xp->xp_pattern;
3418 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3419 /* Avoid that the assignment uses EXPAND_FILES again. */
3420 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3421 compl = EXPAND_ENV_VARS;
3422 #endif
3423 }
3424 }
3425 }
3426
3427 /*
3428 * 6. switch on command name
3429 */
3430 switch (ea.cmdidx)
3431 {
3432 case CMD_cd:
3433 case CMD_chdir:
3434 case CMD_lcd:
3435 case CMD_lchdir:
3436 if (xp->xp_context == EXPAND_FILES)
3437 xp->xp_context = EXPAND_DIRECTORIES;
3438 break;
3439 case CMD_help:
3440 xp->xp_context = EXPAND_HELP;
3441 xp->xp_pattern = arg;
3442 break;
3443
3444 /* Command modifiers: return the argument.
3445 * Also for commands with an argument that is a command. */
3446 case CMD_aboveleft:
3447 case CMD_argdo:
3448 case CMD_belowright:
3449 case CMD_botright:
3450 case CMD_browse:
3451 case CMD_bufdo:
3452 case CMD_confirm:
3453 case CMD_debug:
3454 case CMD_folddoclosed:
3455 case CMD_folddoopen:
3456 case CMD_hide:
3457 case CMD_keepalt:
3458 case CMD_keepjumps:
3459 case CMD_keepmarks:
3460 case CMD_leftabove:
3461 case CMD_lockmarks:
3462 case CMD_rightbelow:
3463 case CMD_sandbox:
3464 case CMD_silent:
3465 case CMD_tab:
3466 case CMD_topleft:
3467 case CMD_verbose:
3468 case CMD_vertical:
3469 case CMD_windo:
3470 return arg;
3471
3472 #ifdef FEAT_CMDL_COMPL
3473 # ifdef FEAT_SEARCH_EXTRA
3474 case CMD_match:
3475 if (*arg == NUL || !ends_excmd(*arg))
3476 {
3477 /* also complete "None" */
3478 set_context_in_echohl_cmd(xp, arg);
3479 arg = skipwhite(skiptowhite(arg));
3480 if (*arg != NUL)
3481 {
3482 xp->xp_context = EXPAND_NOTHING;
3483 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3484 }
3485 }
3486 return find_nextcmd(arg);
3487 # endif
3488
3489 /*
3490 * All completion for the +cmdline_compl feature goes here.
3491 */
3492
3493 # ifdef FEAT_USR_CMDS
3494 case CMD_command:
3495 /* Check for attributes */
3496 while (*arg == '-')
3497 {
3498 arg++; /* Skip "-" */
3499 p = skiptowhite(arg);
3500 if (*p == NUL)
3501 {
3502 /* Cursor is still in the attribute */
3503 p = vim_strchr(arg, '=');
3504 if (p == NULL)
3505 {
3506 /* No "=", so complete attribute names */
3507 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3508 xp->xp_pattern = arg;
3509 return NULL;
3510 }
3511
3512 /* For the -complete and -nargs attributes, we complete
3513 * their arguments as well.
3514 */
3515 if (STRNICMP(arg, "complete", p - arg) == 0)
3516 {
3517 xp->xp_context = EXPAND_USER_COMPLETE;
3518 xp->xp_pattern = p + 1;
3519 return NULL;
3520 }
3521 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3522 {
3523 xp->xp_context = EXPAND_USER_NARGS;
3524 xp->xp_pattern = p + 1;
3525 return NULL;
3526 }
3527 return NULL;
3528 }
3529 arg = skipwhite(p);
3530 }
3531
3532 /* After the attributes comes the new command name */
3533 p = skiptowhite(arg);
3534 if (*p == NUL)
3535 {
3536 xp->xp_context = EXPAND_USER_COMMANDS;
3537 xp->xp_pattern = arg;
3538 break;
3539 }
3540
3541 /* And finally comes a normal command */
3542 return skipwhite(p);
3543
3544 case CMD_delcommand:
3545 xp->xp_context = EXPAND_USER_COMMANDS;
3546 xp->xp_pattern = arg;
3547 break;
3548 # endif
3549
3550 case CMD_global:
3551 case CMD_vglobal:
3552 delim = *arg; /* get the delimiter */
3553 if (delim)
3554 ++arg; /* skip delimiter if there is one */
3555
3556 while (arg[0] != NUL && arg[0] != delim)
3557 {
3558 if (arg[0] == '\\' && arg[1] != NUL)
3559 ++arg;
3560 ++arg;
3561 }
3562 if (arg[0] != NUL)
3563 return arg + 1;
3564 break;
3565 case CMD_and:
3566 case CMD_substitute:
3567 delim = *arg;
3568 if (delim)
3569 {
3570 /* skip "from" part */
3571 ++arg;
3572 arg = skip_regexp(arg, delim, p_magic, NULL);
3573 }
3574 /* skip "to" part */
3575 while (arg[0] != NUL && arg[0] != delim)
3576 {
3577 if (arg[0] == '\\' && arg[1] != NUL)
3578 ++arg;
3579 ++arg;
3580 }
3581 if (arg[0] != NUL) /* skip delimiter */
3582 ++arg;
3583 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3584 ++arg;
3585 if (arg[0] != NUL)
3586 return arg;
3587 break;
3588 case CMD_isearch:
3589 case CMD_dsearch:
3590 case CMD_ilist:
3591 case CMD_dlist:
3592 case CMD_ijump:
3593 case CMD_psearch:
3594 case CMD_djump:
3595 case CMD_isplit:
3596 case CMD_dsplit:
3597 arg = skipwhite(skipdigits(arg)); /* skip count */
3598 if (*arg == '/') /* Match regexp, not just whole words */
3599 {
3600 for (++arg; *arg && *arg != '/'; arg++)
3601 if (*arg == '\\' && arg[1] != NUL)
3602 arg++;
3603 if (*arg)
3604 {
3605 arg = skipwhite(arg + 1);
3606
3607 /* Check for trailing illegal characters */
3608 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3609 xp->xp_context = EXPAND_NOTHING;
3610 else
3611 return arg;
3612 }
3613 }
3614 break;
3615 #ifdef FEAT_AUTOCMD
3616 case CMD_autocmd:
3617 return set_context_in_autocmd(xp, arg, FALSE);
3618
3619 case CMD_doautocmd:
3620 case CMD_doautoall:
3621 return set_context_in_autocmd(xp, arg, TRUE);
3622 #endif
3623 case CMD_set:
3624 set_context_in_set_cmd(xp, arg, 0);
3625 break;
3626 case CMD_setglobal:
3627 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3628 break;
3629 case CMD_setlocal:
3630 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3631 break;
3632 case CMD_tag:
3633 case CMD_stag:
3634 case CMD_ptag:
3635 case CMD_ltag:
3636 case CMD_tselect:
3637 case CMD_stselect:
3638 case CMD_ptselect:
3639 case CMD_tjump:
3640 case CMD_stjump:
3641 case CMD_ptjump:
3642 if (*p_wop != NUL)
3643 xp->xp_context = EXPAND_TAGS_LISTFILES;
3644 else
3645 xp->xp_context = EXPAND_TAGS;
3646 xp->xp_pattern = arg;
3647 break;
3648 case CMD_augroup:
3649 xp->xp_context = EXPAND_AUGROUP;
3650 xp->xp_pattern = arg;
3651 break;
3652 #ifdef FEAT_SYN_HL
3653 case CMD_syntax:
3654 set_context_in_syntax_cmd(xp, arg);
3655 break;
3656 #endif
3657 #ifdef FEAT_EVAL
3658 case CMD_let:
3659 case CMD_if:
3660 case CMD_elseif:
3661 case CMD_while:
3662 case CMD_for:
3663 case CMD_echo:
3664 case CMD_echon:
3665 case CMD_execute:
3666 case CMD_echomsg:
3667 case CMD_echoerr:
3668 case CMD_call:
3669 case CMD_return:
3670 set_context_for_expression(xp, arg, ea.cmdidx);
3671 break;
3672
3673 case CMD_unlet:
3674 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3675 arg = xp->xp_pattern + 1;
3676 xp->xp_context = EXPAND_USER_VARS;
3677 xp->xp_pattern = arg;
3678 break;
3679
3680 case CMD_function:
3681 case CMD_delfunction:
3682 xp->xp_context = EXPAND_USER_FUNC;
3683 xp->xp_pattern = arg;
3684 break;
3685
3686 case CMD_echohl:
3687 set_context_in_echohl_cmd(xp, arg);
3688 break;
3689 #endif
3690 case CMD_highlight:
3691 set_context_in_highlight_cmd(xp, arg);
3692 break;
3693 #ifdef FEAT_CSCOPE
3694 case CMD_cscope:
3695 set_context_in_cscope_cmd(xp, arg);
3696 break;
3697 #endif
3698 #ifdef FEAT_LISTCMDS
3699 case CMD_bdelete:
3700 case CMD_bwipeout:
3701 case CMD_bunload:
3702 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3703 arg = xp->xp_pattern + 1;
3704 /*FALLTHROUGH*/
3705 case CMD_buffer:
3706 case CMD_sbuffer:
3707 case CMD_checktime:
3708 xp->xp_context = EXPAND_BUFFERS;
3709 xp->xp_pattern = arg;
3710 break;
3711 #endif
3712 #ifdef FEAT_USR_CMDS
3713 case CMD_USER:
3714 case CMD_USER_BUF:
3715 if (compl != EXPAND_NOTHING)
3716 {
3717 /* XFILE: file names are handled above */
3718 if (!(ea.argt & XFILE))
3719 {
3720 # ifdef FEAT_MENU
3721 if (compl == EXPAND_MENUS)
3722 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3723 # endif
3724 if (compl == EXPAND_COMMANDS)
3725 return arg;
3726 if (compl == EXPAND_MAPPINGS)
3727 return set_context_in_map_cmd(xp, (char_u *)"map",
3728 arg, forceit, FALSE, FALSE, CMD_map);
3729 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3730 arg = xp->xp_pattern + 1;
3731 xp->xp_pattern = arg;
3732 }
3733 xp->xp_context = compl;
3734 }
3735 break;
3736 #endif
3737 case CMD_map: case CMD_noremap:
3738 case CMD_nmap: case CMD_nnoremap:
3739 case CMD_vmap: case CMD_vnoremap:
3740 case CMD_omap: case CMD_onoremap:
3741 case CMD_imap: case CMD_inoremap:
3742 case CMD_cmap: case CMD_cnoremap:
3743 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3744 FALSE, FALSE, ea.cmdidx);
3745 case CMD_unmap:
3746 case CMD_nunmap:
3747 case CMD_vunmap:
3748 case CMD_ounmap:
3749 case CMD_iunmap:
3750 case CMD_cunmap:
3751 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3752 FALSE, TRUE, ea.cmdidx);
3753 case CMD_abbreviate: case CMD_noreabbrev:
3754 case CMD_cabbrev: case CMD_cnoreabbrev:
3755 case CMD_iabbrev: case CMD_inoreabbrev:
3756 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3757 TRUE, FALSE, ea.cmdidx);
3758 case CMD_unabbreviate:
3759 case CMD_cunabbrev:
3760 case CMD_iunabbrev:
3761 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3762 TRUE, TRUE, ea.cmdidx);
3763 #ifdef FEAT_MENU
3764 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3765 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3766 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3767 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3768 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3769 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3770 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3771 case CMD_tmenu: case CMD_tunmenu:
3772 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3773 #ifdef FEAT_GUI_MACVIM
3774 case CMD_macmenu:
3775 #endif
3776 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3777 #endif
3778
3779 case CMD_colorscheme:
3780 xp->xp_context = EXPAND_COLORS;
3781 xp->xp_pattern = arg;
3782 break;
3783
3784 case CMD_compiler:
3785 xp->xp_context = EXPAND_COMPILER;
3786 xp->xp_pattern = arg;
3787 break;
3788
3789 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3790 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3791 case CMD_language:
3792 if (*skiptowhite(arg) == NUL)
3793 {
3794 xp->xp_context = EXPAND_LANGUAGE;
3795 xp->xp_pattern = arg;
3796 }
3797 else
3798 xp->xp_context = EXPAND_NOTHING;
3799 break;
3800 #endif
3801
3802 #ifdef FEAT_GUI_MACVIM
3803 case CMD_macaction:
3804 xp->xp_context = EXPAND_MACACTION;
3805 xp->xp_pattern = arg;
3806 break;
3807 #endif
3808
3809
3810 #endif /* FEAT_CMDL_COMPL */
3811
3812 default:
3813 break;
3814 }
3815 return NULL;
3816 }
3817
3818 /*
3819 * skip a range specifier of the form: addr [,addr] [;addr] ..
3820 *
3821 * Backslashed delimiters after / or ? will be skipped, and commands will
3822 * not be expanded between /'s and ?'s or after "'".
3823 *
3824 * Also skip white space and ":" characters.
3825 * Returns the "cmd" pointer advanced to beyond the range.
3826 */
3827 char_u *
3828 skip_range(cmd, ctx)
3829 char_u *cmd;
3830 int *ctx; /* pointer to xp_context or NULL */
3831 {
3832 int delim;
3833
3834 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3835 {
3836 if (*cmd == '\'')
3837 {
3838 if (*++cmd == NUL && ctx != NULL)
3839 *ctx = EXPAND_NOTHING;
3840 }
3841 else if (*cmd == '/' || *cmd == '?')
3842 {
3843 delim = *cmd++;
3844 while (*cmd != NUL && *cmd != delim)
3845 if (*cmd++ == '\\' && *cmd != NUL)
3846 ++cmd;
3847 if (*cmd == NUL && ctx != NULL)
3848 *ctx = EXPAND_NOTHING;
3849 }
3850 if (*cmd != NUL)
3851 ++cmd;
3852 }
3853
3854 /* Skip ":" and white space. */
3855 while (*cmd == ':')
3856 cmd = skipwhite(cmd + 1);
3857
3858 return cmd;
3859 }
3860
3861 /*
3862 * get a single EX address
3863 *
3864 * Set ptr to the next character after the part that was interpreted.
3865 * Set ptr to NULL when an error is encountered.
3866 *
3867 * Return MAXLNUM when no Ex address was found.
3868 */
3869 static linenr_T
3870 get_address(ptr, skip, to_other_file)
3871 char_u **ptr;
3872 int skip; /* only skip the address, don't use it */
3873 int to_other_file; /* flag: may jump to other file */
3874 {
3875 int c;
3876 int i;
3877 long n;
3878 char_u *cmd;
3879 pos_T pos;
3880 pos_T *fp;
3881 linenr_T lnum;
3882
3883 cmd = skipwhite(*ptr);
3884 lnum = MAXLNUM;
3885 do
3886 {
3887 switch (*cmd)
3888 {
3889 case '.': /* '.' - Cursor position */
3890 ++cmd;
3891 lnum = curwin->w_cursor.lnum;
3892 break;
3893
3894 case '$': /* '$' - last line */
3895 ++cmd;
3896 lnum = curbuf->b_ml.ml_line_count;
3897 break;
3898
3899 case '\'': /* ''' - mark */
3900 if (*++cmd == NUL)
3901 {
3902 cmd = NULL;
3903 goto error;
3904 }
3905 if (skip)
3906 ++cmd;
3907 else
3908 {
3909 /* Only accept a mark in another file when it is
3910 * used by itself: ":'M". */
3911 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3912 ++cmd;
3913 if (fp == (pos_T *)-1)
3914 /* Jumped to another file. */
3915 lnum = curwin->w_cursor.lnum;
3916 else
3917 {
3918 if (check_mark(fp) == FAIL)
3919 {
3920 cmd = NULL;
3921 goto error;
3922 }
3923 lnum = fp->lnum;
3924 }
3925 }
3926 break;
3927
3928 case '/':
3929 case '?': /* '/' or '?' - search */
3930 c = *cmd++;
3931 if (skip) /* skip "/pat/" */
3932 {
3933 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3934 if (*cmd == c)
3935 ++cmd;
3936 }
3937 else
3938 {
3939 pos = curwin->w_cursor; /* save curwin->w_cursor */
3940 /*
3941 * When '/' or '?' follows another address, start
3942 * from there.
3943 */
3944 if (lnum != MAXLNUM)
3945 curwin->w_cursor.lnum = lnum;
3946 /*
3947 * Start a forward search at the end of the line.
3948 * Start a backward search at the start of the line.
3949 * This makes sure we never match in the current
3950 * line, and can match anywhere in the
3951 * next/previous line.
3952 */
3953 if (c == '/')
3954 curwin->w_cursor.col = MAXCOL;
3955 else
3956 curwin->w_cursor.col = 0;
3957 searchcmdlen = 0;
3958 if (!do_search(NULL, c, cmd, 1L,
3959 SEARCH_HIS | SEARCH_MSG, NULL))
3960 {
3961 curwin->w_cursor = pos;
3962 cmd = NULL;
3963 goto error;
3964 }
3965 lnum = curwin->w_cursor.lnum;
3966 curwin->w_cursor = pos;
3967 /* adjust command string pointer */
3968 cmd += searchcmdlen;
3969 }
3970 break;
3971
3972 case '\\': /* "\?", "\/" or "\&", repeat search */
3973 ++cmd;
3974 if (*cmd == '&')
3975 i = RE_SUBST;
3976 else if (*cmd == '?' || *cmd == '/')
3977 i = RE_SEARCH;
3978 else
3979 {
3980 EMSG(_(e_backslash));
3981 cmd = NULL;
3982 goto error;
3983 }
3984
3985 if (!skip)
3986 {
3987 /*
3988 * When search follows another address, start from
3989 * there.
3990 */
3991 if (lnum != MAXLNUM)
3992 pos.lnum = lnum;
3993 else
3994 pos.lnum = curwin->w_cursor.lnum;
3995
3996 /*
3997 * Start the search just like for the above
3998 * do_search().
3999 */
4000 if (*cmd != '?')
4001 pos.col = MAXCOL;
4002 else
4003 pos.col = 0;
4004 if (searchit(curwin, curbuf, &pos,
4005 *cmd == '?' ? BACKWARD : FORWARD,
4006 (char_u *)"", 1L, SEARCH_MSG,
4007 i, (linenr_T)0, NULL) != FAIL)
4008 lnum = pos.lnum;
4009 else
4010 {
4011 cmd = NULL;
4012 goto error;
4013 }
4014 }
4015 ++cmd;
4016 break;
4017
4018 default:
4019 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4020 lnum = getdigits(&cmd);
4021 }
4022
4023 for (;;)
4024 {
4025 cmd = skipwhite(cmd);
4026 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4027 break;
4028
4029 if (lnum == MAXLNUM)
4030 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4031 if (VIM_ISDIGIT(*cmd))
4032 i = '+'; /* "number" is same as "+number" */
4033 else
4034 i = *cmd++;
4035 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4036 n = 1;
4037 else
4038 n = getdigits(&cmd);
4039 if (i == '-')
4040 lnum -= n;
4041 else
4042 lnum += n;
4043 }
4044 } while (*cmd == '/' || *cmd == '?');
4045
4046 error:
4047 *ptr = cmd;
4048 return lnum;
4049 }
4050
4051 /*
4052 * Get flags from an Ex command argument.
4053 */
4054 static void
4055 get_flags(eap)
4056 exarg_T *eap;
4057 {
4058 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4059 {
4060 if (*eap->arg == 'l')
4061 eap->flags |= EXFLAG_LIST;
4062 else if (*eap->arg == 'p')
4063 eap->flags |= EXFLAG_PRINT;
4064 else
4065 eap->flags |= EXFLAG_NR;
4066 eap->arg = skipwhite(eap->arg + 1);
4067 }
4068 }
4069
4070 /*
4071 * Function called for command which is Not Implemented. NI!
4072 */
4073 void
4074 ex_ni(eap)
4075 exarg_T *eap;
4076 {
4077 if (!eap->skip)
4078 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4079 }
4080
4081 #ifdef HAVE_EX_SCRIPT_NI
4082 /*
4083 * Function called for script command which is Not Implemented. NI!
4084 * Skips over ":perl <<EOF" constructs.
4085 */
4086 static void
4087 ex_script_ni(eap)
4088 exarg_T *eap;
4089 {
4090 if (!eap->skip)
4091 ex_ni(eap);
4092 else
4093 vim_free(script_get(eap, eap->arg));
4094 }
4095 #endif
4096
4097 /*
4098 * Check range in Ex command for validity.
4099 * Return NULL when valid, error message when invalid.
4100 */
4101 static char_u *
4102 invalid_range(eap)
4103 exarg_T *eap;
4104 {
4105 if ( eap->line1 < 0
4106 || eap->line2 < 0
4107 || eap->line1 > eap->line2
4108 || ((eap->argt & RANGE)
4109 && !(eap->argt & NOTADR)
4110 && eap->line2 > curbuf->b_ml.ml_line_count
4111 #ifdef FEAT_DIFF
4112 + (eap->cmdidx == CMD_diffget)
4113 #endif
4114 ))
4115 return (char_u *)_(e_invrange);
4116 return NULL;
4117 }
4118
4119 /*
4120 * Correct the range for zero line number, if required.
4121 */
4122 static void
4123 correct_range(eap)
4124 exarg_T *eap;
4125 {
4126 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4127 {
4128 if (eap->line1 == 0)
4129 eap->line1 = 1;
4130 if (eap->line2 == 0)
4131 eap->line2 = 1;
4132 }
4133 }
4134
4135 #ifdef FEAT_QUICKFIX
4136 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4137
4138 /*
4139 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4140 * pattern. Otherwise return eap->arg.
4141 */
4142 static char_u *
4143 skip_grep_pat(eap)
4144 exarg_T *eap;
4145 {
4146 char_u *p = eap->arg;
4147
4148 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4149 || eap->cmdidx == CMD_vimgrepadd
4150 || eap->cmdidx == CMD_lvimgrepadd
4151 || grep_internal(eap->cmdidx)))
4152 {
4153 p = skip_vimgrep_pat(p, NULL, NULL);
4154 if (p == NULL)
4155 p = eap->arg;
4156 }
4157 return p;
4158 }
4159
4160 /*
4161 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4162 * in the command line, so that things like % get expanded.
4163 */
4164 static char_u *
4165 replace_makeprg(eap, p, cmdlinep)
4166 exarg_T *eap;
4167 char_u *p;
4168 char_u **cmdlinep;
4169 {
4170 char_u *new_cmdline;
4171 char_u *program;
4172 char_u *pos;
4173 char_u *ptr;
4174 int len;
4175 int i;
4176
4177 /*
4178 * Don't do it when ":vimgrep" is used for ":grep".
4179 */
4180 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4181 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4182 || eap->cmdidx == CMD_grepadd
4183 || eap->cmdidx == CMD_lgrepadd)
4184 && !grep_internal(eap->cmdidx))
4185 {
4186 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4187 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4188 {
4189 if (*curbuf->b_p_gp == NUL)
4190 program = p_gp;
4191 else
4192 program = curbuf->b_p_gp;
4193 }
4194 else
4195 {
4196 if (*curbuf->b_p_mp == NUL)
4197 program = p_mp;
4198 else
4199 program = curbuf->b_p_mp;
4200 }
4201
4202 p = skipwhite(p);
4203
4204 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4205 {
4206 /* replace $* by given arguments */
4207 i = 1;
4208 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4209 ++i;
4210 len = (int)STRLEN(p);
4211 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4212 if (new_cmdline == NULL)
4213 return NULL; /* out of memory */
4214 ptr = new_cmdline;
4215 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4216 {
4217 i = (int)(pos - program);
4218 STRNCPY(ptr, program, i);
4219 STRCPY(ptr += i, p);
4220 ptr += len;
4221 program = pos + 2;
4222 }
4223 STRCPY(ptr, program);
4224 }
4225 else
4226 {
4227 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4228 if (new_cmdline == NULL)
4229 return NULL; /* out of memory */
4230 STRCPY(new_cmdline, program);
4231 STRCAT(new_cmdline, " ");
4232 STRCAT(new_cmdline, p);
4233 }
4234 msg_make(p);
4235
4236 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4237 vim_free(*cmdlinep);
4238 *cmdlinep = new_cmdline;
4239 p = new_cmdline;
4240 }
4241 return p;
4242 }
4243 #endif
4244
4245 /*
4246 * Expand file name in Ex command argument.
4247 * Return FAIL for failure, OK otherwise.
4248 */
4249 int
4250 expand_filename(eap, cmdlinep, errormsgp)
4251 exarg_T *eap;
4252 char_u **cmdlinep;
4253 char_u **errormsgp;
4254 {
4255 int has_wildcards; /* need to expand wildcards */
4256 char_u *repl;
4257 int srclen;
4258 char_u *p;
4259 int n;
4260 int escaped;
4261
4262 #ifdef FEAT_QUICKFIX
4263 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4264 p = skip_grep_pat(eap);
4265 #else
4266 p = eap->arg;
4267 #endif
4268
4269 /*
4270 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4271 * the file name contains a wildcard it should not cause expanding.
4272 * (it will be expanded anyway if there is a wildcard before replacing).
4273 */
4274 has_wildcards = mch_has_wildcard(p);
4275 while (*p != NUL)
4276 {
4277 #ifdef FEAT_EVAL
4278 /* Skip over `=expr`, wildcards in it are not expanded. */
4279 if (p[0] == '`' && p[1] == '=')
4280 {
4281 p += 2;
4282 (void)skip_expr(&p);
4283 if (*p == '`')
4284 ++p;
4285 continue;
4286 }
4287 #endif
4288 /*
4289 * Quick check if this cannot be the start of a special string.
4290 * Also removes backslash before '%', '#' and '<'.
4291 */
4292 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4293 {
4294 ++p;
4295 continue;
4296 }
4297
4298 /*
4299 * Try to find a match at this position.
4300 */
4301 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4302 errormsgp, &escaped);
4303 if (*errormsgp != NULL) /* error detected */
4304 return FAIL;
4305 if (repl == NULL) /* no match found */
4306 {
4307 p += srclen;
4308 continue;
4309 }
4310
4311 /* Wildcards won't be expanded below, the replacement is taken
4312 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4313 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4314 {
4315 char_u *l = repl;
4316
4317 repl = expand_env_save(repl);
4318 vim_free(l);
4319 }
4320
4321 /* Need to escape white space et al. with a backslash.
4322 * Don't do this for:
4323 * - replacement that already has been escaped: "##"
4324 * - shell commands (may have to use quotes instead).
4325 * - non-unix systems when there is a single argument (spaces don't
4326 * separate arguments then).
4327 */
4328 if (!eap->usefilter
4329 && !escaped
4330 && eap->cmdidx != CMD_bang
4331 && eap->cmdidx != CMD_make
4332 && eap->cmdidx != CMD_lmake
4333 && eap->cmdidx != CMD_grep
4334 && eap->cmdidx != CMD_lgrep
4335 && eap->cmdidx != CMD_grepadd
4336 && eap->cmdidx != CMD_lgrepadd
4337 #ifndef UNIX
4338 && !(eap->argt & NOSPC)
4339 #endif
4340 )
4341 {
4342 char_u *l;
4343 #ifdef BACKSLASH_IN_FILENAME
4344 /* Don't escape a backslash here, because rem_backslash() doesn't
4345 * remove it later. */
4346 static char_u *nobslash = (char_u *)" \t\"|";
4347 # define ESCAPE_CHARS nobslash
4348 #else
4349 # define ESCAPE_CHARS escape_chars
4350 #endif
4351
4352 for (l = repl; *l; ++l)
4353 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4354 {
4355 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4356 if (l != NULL)
4357 {
4358 vim_free(repl);
4359 repl = l;
4360 }
4361 break;
4362 }
4363 }
4364
4365 /* For a shell command a '!' must be escaped. */
4366 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4367 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4368 {
4369 char_u *l;
4370
4371 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4372 if (l != NULL)
4373 {
4374 vim_free(repl);
4375 repl = l;
4376 /* For a sh-like shell escape "!" another time. */
4377 if (strstr((char *)p_sh, "sh") != NULL)
4378 {
4379 l = vim_strsave_escaped(repl, (char_u *)"!");
4380 if (l != NULL)
4381 {
4382 vim_free(repl);
4383 repl = l;
4384 }
4385 }
4386 }
4387 }
4388
4389 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4390 vim_free(repl);
4391 if (p == NULL)
4392 return FAIL;
4393 }
4394
4395 /*
4396 * One file argument: Expand wildcards.
4397 * Don't do this with ":r !command" or ":w !command".
4398 */
4399 if ((eap->argt & NOSPC) && !eap->usefilter)
4400 {
4401 /*
4402 * May do this twice:
4403 * 1. Replace environment variables.
4404 * 2. Replace any other wildcards, remove backslashes.
4405 */
4406 for (n = 1; n <= 2; ++n)
4407 {
4408 if (n == 2)
4409 {
4410 #ifdef UNIX
4411 /*
4412 * Only for Unix we check for more than one file name.
4413 * For other systems spaces are considered to be part
4414 * of the file name.
4415 * Only check here if there is no wildcard, otherwise
4416 * ExpandOne() will check for errors. This allows
4417 * ":e `ls ve*.c`" on Unix.
4418 */
4419 if (!has_wildcards)
4420 for (p = eap->arg; *p; ++p)
4421 {
4422 /* skip escaped characters */
4423 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4424 ++p;
4425 else if (vim_iswhite(*p))
4426 {
4427 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4428 return FAIL;
4429 }
4430 }
4431 #endif
4432
4433 /*
4434 * Halve the number of backslashes (this is Vi compatible).
4435 * For Unix and OS/2, when wildcards are expanded, this is
4436 * done by ExpandOne() below.
4437 */
4438 #if defined(UNIX) || defined(OS2)
4439 if (!has_wildcards)
4440 #endif
4441 backslash_halve(eap->arg);
4442 }
4443
4444 if (has_wildcards)
4445 {
4446 if (n == 1)
4447 {
4448 /*
4449 * First loop: May expand environment variables. This
4450 * can be done much faster with expand_env() than with
4451 * something else (e.g., calling a shell).
4452 * After expanding environment variables, check again
4453 * if there are still wildcards present.
4454 */
4455 if (vim_strchr(eap->arg, '$') != NULL
4456 || vim_strchr(eap->arg, '~') != NULL)
4457 {
4458 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4459 TRUE, TRUE, NULL);
4460 has_wildcards = mch_has_wildcard(NameBuff);
4461 p = NameBuff;
4462 }
4463 else
4464 p = NULL;
4465 }
4466 else /* n == 2 */
4467 {
4468 expand_T xpc;
4469
4470 ExpandInit(&xpc);
4471 xpc.xp_context = EXPAND_FILES;
4472 p = ExpandOne(&xpc, eap->arg, NULL,
4473 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4474 WILD_EXPAND_FREE);
4475 if (p == NULL)
4476 return FAIL;
4477 }
4478 if (p != NULL)
4479 {
4480 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4481 p, cmdlinep);
4482 if (n == 2) /* p came from ExpandOne() */
4483 vim_free(p);
4484 }
4485 }
4486 }
4487 }
4488 return OK;
4489 }
4490
4491 /*
4492 * Replace part of the command line, keeping eap->cmd, eap->arg and
4493 * eap->nextcmd correct.
4494 * "src" points to the part that is to be replaced, of length "srclen".
4495 * "repl" is the replacement string.
4496 * Returns a pointer to the character after the replaced string.
4497 * Returns NULL for failure.
4498 */
4499 static char_u *
4500 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4501 exarg_T *eap;
4502 char_u *src;
4503 int srclen;
4504 char_u *repl;
4505 char_u **cmdlinep;
4506 {
4507 int len;
4508 int i;
4509 char_u *new_cmdline;
4510
4511 /*
4512 * The new command line is build in new_cmdline[].
4513 * First allocate it.
4514 * Careful: a "+cmd" argument may have been NUL terminated.
4515 */
4516 len = (int)STRLEN(repl);
4517 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4518 if (eap->nextcmd != NULL)
4519 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4520 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4521 return NULL; /* out of memory! */
4522
4523 /*
4524 * Copy the stuff before the expanded part.
4525 * Copy the expanded stuff.
4526 * Copy what came after the expanded part.
4527 * Copy the next commands, if there are any.
4528 */
4529 i = (int)(src - *cmdlinep); /* length of part before match */
4530 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4531
4532 mch_memmove(new_cmdline + i, repl, (size_t)len);
4533 i += len; /* remember the end of the string */
4534 STRCPY(new_cmdline + i, src + srclen);
4535 src = new_cmdline + i; /* remember where to continue */
4536
4537 if (eap->nextcmd != NULL) /* append next command */
4538 {
4539 i = (int)STRLEN(new_cmdline) + 1;
4540 STRCPY(new_cmdline + i, eap->nextcmd);
4541 eap->nextcmd = new_cmdline + i;
4542 }
4543 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4544 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4545 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4546 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4547 vim_free(*cmdlinep);
4548 *cmdlinep = new_cmdline;
4549
4550 return src;
4551 }
4552
4553 /*
4554 * Check for '|' to separate commands and '"' to start comments.
4555 */
4556 void
4557 separate_nextcmd(eap)
4558 exarg_T *eap;
4559 {
4560 char_u *p;
4561
4562 #ifdef FEAT_QUICKFIX
4563 p = skip_grep_pat(eap);
4564 #else
4565 p = eap->arg;
4566 #endif
4567
4568 for ( ; *p; mb_ptr_adv(p))
4569 {
4570 if (*p == Ctrl_V)
4571 {
4572 if (eap->argt & (USECTRLV | XFILE))
4573 ++p; /* skip CTRL-V and next char */
4574 else
4575 /* remove CTRL-V and skip next char */
4576 STRMOVE(p, p + 1);
4577 if (*p == NUL) /* stop at NUL after CTRL-V */
4578 break;
4579 }
4580
4581 #ifdef FEAT_EVAL
4582 /* Skip over `=expr` when wildcards are expanded. */
4583 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4584 {
4585 p += 2;
4586 (void)skip_expr(&p);
4587 }
4588 #endif
4589
4590 /* Check for '"': start of comment or '|': next command */
4591 /* :@" and :*" do not start a comment!
4592 * :redir @" doesn't either. */
4593 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4594 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4595 || p != eap->arg)
4596 && (eap->cmdidx != CMD_redir
4597 || p != eap->arg + 1 || p[-1] != '@'))
4598 || *p == '|' || *p == '\n')
4599 {
4600 /*
4601 * We remove the '\' before the '|', unless USECTRLV is used
4602 * AND 'b' is present in 'cpoptions'.
4603 */
4604 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4605 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4606 {
4607 STRMOVE(p - 1, p); /* remove the '\' */
4608 --p;
4609 }
4610 else
4611 {
4612 eap->nextcmd = check_nextcmd(p);
4613 *p = NUL;
4614 break;
4615 }
4616 }
4617 }
4618
4619 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4620 del_trailing_spaces(eap->arg);
4621 }
4622
4623 /*
4624 * get + command from ex argument
4625 */
4626 static char_u *
4627 getargcmd(argp)
4628 char_u **argp;
4629 {
4630 char_u *arg = *argp;
4631 char_u *command = NULL;
4632
4633 if (*arg == '+') /* +[command] */
4634 {
4635 ++arg;
4636 if (vim_isspace(*arg))
4637 command = dollar_command;
4638 else
4639 {
4640 command = arg;
4641 arg = skip_cmd_arg(command, TRUE);
4642 if (*arg != NUL)
4643 *arg++ = NUL; /* terminate command with NUL */
4644 }
4645
4646 arg = skipwhite(arg); /* skip over spaces */
4647 *argp = arg;
4648 }
4649 return command;
4650 }
4651
4652 /*
4653 * Find end of "+command" argument. Skip over "\ " and "\\".
4654 */
4655 static char_u *
4656 skip_cmd_arg(p, rembs)
4657 char_u *p;
4658 int rembs; /* TRUE to halve the number of backslashes */
4659 {
4660 while (*p && !vim_isspace(*p))
4661 {
4662 if (*p == '\\' && p[1] != NUL)
4663 {
4664 if (rembs)
4665 STRMOVE(p, p + 1);
4666 else
4667 ++p;
4668 }
4669 mb_ptr_adv(p);
4670 }
4671 return p;
4672 }
4673
4674 /*
4675 * Get "++opt=arg" argument.
4676 * Return FAIL or OK.
4677 */
4678 static int
4679 getargopt(eap)
4680 exarg_T *eap;
4681 {
4682 char_u *arg = eap->arg + 2;
4683 int *pp = NULL;
4684 #ifdef FEAT_MBYTE
4685 char_u *p;
4686 #endif
4687
4688 /* ":edit ++[no]bin[ary] file" */
4689 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4690 {
4691 if (*arg == 'n')
4692 {
4693 arg += 2;
4694 eap->force_bin = FORCE_NOBIN;
4695 }
4696 else
4697 eap->force_bin = FORCE_BIN;
4698 if (!checkforcmd(&arg, "binary", 3))
4699 return FAIL;
4700 eap->arg = skipwhite(arg);
4701 return OK;
4702 }
4703
4704 /* ":read ++edit file" */
4705 if (STRNCMP(arg, "edit", 4) == 0)
4706 {
4707 eap->read_edit = TRUE;
4708 eap->arg = skipwhite(arg + 4);
4709 return OK;
4710 }
4711
4712 if (STRNCMP(arg, "ff", 2) == 0)
4713 {
4714 arg += 2;
4715 pp = &eap->force_ff;
4716 }
4717 else if (STRNCMP(arg, "fileformat", 10) == 0)
4718 {
4719 arg += 10;
4720 pp = &eap->force_ff;
4721 }
4722 #ifdef FEAT_MBYTE
4723 else if (STRNCMP(arg, "enc", 3) == 0)
4724 {
4725 arg += 3;
4726 pp = &eap->force_enc;
4727 }
4728 else if (STRNCMP(arg, "encoding", 8) == 0)
4729 {
4730 arg += 8;
4731 pp = &eap->force_enc;
4732 }
4733 else if (STRNCMP(arg, "bad", 3) == 0)
4734 {
4735 arg += 3;
4736 pp = &eap->bad_char;
4737 }
4738 #endif
4739
4740 if (pp == NULL || *arg != '=')
4741 return FAIL;
4742
4743 ++arg;
4744 *pp = (int)(arg - eap->cmd);
4745 arg = skip_cmd_arg(arg, FALSE);
4746 eap->arg = skipwhite(arg);
4747 *arg = NUL;
4748
4749 #ifdef FEAT_MBYTE
4750 if (pp == &eap->force_ff)
4751 {
4752 #endif
4753 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4754 return FAIL;
4755 #ifdef FEAT_MBYTE
4756 }
4757 else if (pp == &eap->force_enc)
4758 {
4759 /* Make 'fileencoding' lower case. */
4760 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4761 *p = TOLOWER_ASC(*p);
4762 }
4763 else
4764 {
4765 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4766 * "drop". */
4767 p = eap->cmd + eap->bad_char;
4768 if (STRICMP(p, "keep") == 0)
4769 eap->bad_char = BAD_KEEP;
4770 else if (STRICMP(p, "drop") == 0)
4771 eap->bad_char = BAD_DROP;
4772 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4773 eap->bad_char = *p;
4774 else
4775 return FAIL;
4776 }
4777 #endif
4778
4779 return OK;
4780 }
4781
4782 /*
4783 * ":abbreviate" and friends.
4784 */
4785 static void
4786 ex_abbreviate(eap)
4787 exarg_T *eap;
4788 {
4789 do_exmap(eap, TRUE); /* almost the same as mapping */
4790 }
4791
4792 /*
4793 * ":map" and friends.
4794 */
4795 static void
4796 ex_map(eap)
4797 exarg_T *eap;
4798 {
4799 /*
4800 * If we are sourcing .exrc or .vimrc in current directory we
4801 * print the mappings for security reasons.
4802 */
4803 if (secure)
4804 {
4805 secure = 2;
4806 msg_outtrans(eap->cmd);
4807 msg_putchar('\n');
4808 }
4809 do_exmap(eap, FALSE);
4810 }
4811
4812 /*
4813 * ":unmap" and friends.
4814 */
4815 static void
4816 ex_unmap(eap)
4817 exarg_T *eap;
4818 {
4819 do_exmap(eap, FALSE);
4820 }
4821
4822 /*
4823 * ":mapclear" and friends.
4824 */
4825 static void
4826 ex_mapclear(eap)
4827 exarg_T *eap;
4828 {
4829 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4830 }
4831
4832 /*
4833 * ":abclear" and friends.
4834 */
4835 static void
4836 ex_abclear(eap)
4837 exarg_T *eap;
4838 {
4839 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4840 }
4841
4842 #ifdef FEAT_AUTOCMD
4843 static void
4844 ex_autocmd(eap)
4845 exarg_T *eap;
4846 {
4847 /*
4848 * Disallow auto commands from .exrc and .vimrc in current
4849 * directory for security reasons.
4850 */
4851 if (secure)
4852 {
4853 secure = 2;
4854 eap->errmsg = e_curdir;
4855 }
4856 else if (eap->cmdidx == CMD_autocmd)
4857 do_autocmd(eap->arg, eap->forceit);
4858 else
4859 do_augroup(eap->arg, eap->forceit);
4860 }
4861
4862 /*
4863 * ":doautocmd": Apply the automatic commands to the current buffer.
4864 */
4865 static void
4866 ex_doautocmd(eap)
4867 exarg_T *eap;
4868 {
4869 (void)do_doautocmd(eap->arg, TRUE);
4870 do_modelines(0);
4871 }
4872 #endif
4873
4874 #ifdef FEAT_LISTCMDS
4875 /*
4876 * :[N]bunload[!] [N] [bufname] unload buffer
4877 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4878 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4879 */
4880 static void
4881 ex_bunload(eap)
4882 exarg_T *eap;
4883 {
4884 eap->errmsg = do_bufdel(
4885 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4886 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4887 : DOBUF_UNLOAD, eap->arg,
4888 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4889 }
4890
4891 /*
4892 * :[N]buffer [N] to buffer N
4893 * :[N]sbuffer [N] to buffer N
4894 */
4895 static void
4896 ex_buffer(eap)
4897 exarg_T *eap;
4898 {
4899 if (*eap->arg)
4900 eap->errmsg = e_trailing;
4901 else
4902 {
4903 if (eap->addr_count == 0) /* default is current buffer */
4904 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4905 else
4906 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4907 }
4908 }
4909
4910 /*
4911 * :[N]bmodified [N] to next mod. buffer
4912 * :[N]sbmodified [N] to next mod. buffer
4913 */
4914 static void
4915 ex_bmodified(eap)
4916 exarg_T *eap;
4917 {
4918 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4919 }
4920
4921 /*
4922 * :[N]bnext [N] to next buffer
4923 * :[N]sbnext [N] split and to next buffer
4924 */
4925 static void
4926 ex_bnext(eap)
4927 exarg_T *eap;
4928 {
4929 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4930 }
4931
4932 /*
4933 * :[N]bNext [N] to previous buffer
4934 * :[N]bprevious [N] to previous buffer
4935 * :[N]sbNext [N] split and to previous buffer
4936 * :[N]sbprevious [N] split and to previous buffer
4937 */
4938 static void
4939 ex_bprevious(eap)
4940 exarg_T *eap;
4941 {
4942 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4943 }
4944
4945 /*
4946 * :brewind to first buffer
4947 * :bfirst to first buffer
4948 * :sbrewind split and to first buffer
4949 * :sbfirst split and to first buffer
4950 */
4951 static void
4952 ex_brewind(eap)
4953 exarg_T *eap;
4954 {
4955 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4956 }
4957
4958 /*
4959 * :blast to last buffer
4960 * :sblast split and to last buffer
4961 */
4962 static void
4963 ex_blast(eap)
4964 exarg_T *eap;
4965 {
4966 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4967 }
4968 #endif
4969
4970 int
4971 ends_excmd(c)
4972 int c;
4973 {
4974 return (c == NUL || c == '|' || c == '"' || c == '\n');
4975 }
4976
4977 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4978 || defined(PROTO)
4979 /*
4980 * Return the next command, after the first '|' or '\n'.
4981 * Return NULL if not found.
4982 */
4983 char_u *
4984 find_nextcmd(p)
4985 char_u *p;
4986 {
4987 while (*p != '|' && *p != '\n')
4988 {
4989 if (*p == NUL)
4990 return NULL;
4991 ++p;
4992 }
4993 return (p + 1);
4994 }
4995 #endif
4996
4997 /*
4998 * Check if *p is a separator between Ex commands.
4999 * Return NULL if it isn't, (p + 1) if it is.
5000 */
5001 char_u *
5002 check_nextcmd(p)
5003 char_u *p;
5004 {
5005 p = skipwhite(p);
5006 if (*p == '|' || *p == '\n')
5007 return (p + 1);
5008 else
5009 return NULL;
5010 }
5011
5012 /*
5013 * - if there are more files to edit
5014 * - and this is the last window
5015 * - and forceit not used
5016 * - and not repeated twice on a row
5017 * return FAIL and give error message if 'message' TRUE
5018 * return OK otherwise
5019 */
5020 static int
5021 check_more(message, forceit)
5022 int message; /* when FALSE check only, no messages */
5023 int forceit;
5024 {
5025 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5026
5027 if (!forceit && only_one_window()
5028 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5029 {
5030 if (message)
5031 {
5032 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5033 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5034 {
5035 char_u buff[IOSIZE];
5036
5037 if (n == 1)
5038 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5039 else
5040 vim_snprintf((char *)buff, IOSIZE,
5041 _("%d more files to edit. Quit anyway?"), n);
5042 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5043 return OK;
5044 return FAIL;
5045 }
5046 #endif
5047 if (n == 1)
5048 EMSG(_("E173: 1 more file to edit"));
5049 else
5050 EMSGN(_("E173: %ld more files to edit"), n);
5051 quitmore = 2; /* next try to quit is allowed */
5052 }
5053 return FAIL;
5054 }
5055 return OK;
5056 }
5057
5058 #ifdef FEAT_CMDL_COMPL
5059 /*
5060 * Function given to ExpandGeneric() to obtain the list of command names.
5061 */
5062 /*ARGSUSED*/
5063 char_u *
5064 get_command_name(xp, idx)
5065 expand_T *xp;
5066 int idx;
5067 {
5068 if (idx >= (int)CMD_SIZE)
5069 # ifdef FEAT_USR_CMDS
5070 return get_user_command_name(idx);
5071 # else
5072 return NULL;
5073 # endif
5074 return cmdnames[idx].cmd_name;
5075 }
5076 #endif
5077
5078 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5079 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));
5080 static void uc_list __ARGS((char_u *name, size_t name_len));
5081 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5082 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5083 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));
5084
5085 static int
5086 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5087 char_u *name;
5088 size_t name_len;
5089 char_u *rep;
5090 long argt;
5091 long def;
5092 int flags;
5093 int compl;
5094 char_u *compl_arg;
5095 int force;
5096 {
5097 ucmd_T *cmd = NULL;
5098 char_u *p;
5099 int i;
5100 int cmp = 1;
5101 char_u *rep_buf = NULL;
5102 garray_T *gap;
5103
5104 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5105 if (rep_buf == NULL)
5106 {
5107 /* Can't replace termcodes - try using the string as is */
5108 rep_buf = vim_strsave(rep);
5109
5110 /* Give up if out of memory */
5111 if (rep_buf == NULL)
5112 return FAIL;
5113 }
5114
5115 /* get address of growarray: global or in curbuf */
5116 if (flags & UC_BUFFER)
5117 {
5118 gap = &curbuf->b_ucmds;
5119 if (gap->ga_itemsize == 0)
5120 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5121 }
5122 else
5123 gap = &ucmds;
5124
5125 /* Search for the command in the already defined commands. */
5126 for (i = 0; i < gap->ga_len; ++i)
5127 {
5128 size_t len;
5129
5130 cmd = USER_CMD_GA(gap, i);
5131 len = STRLEN(cmd->uc_name);
5132 cmp = STRNCMP(name, cmd->uc_name, name_len);
5133 if (cmp == 0)
5134 {
5135 if (name_len < len)
5136 cmp = -1;
5137 else if (name_len > len)
5138 cmp = 1;
5139 }
5140
5141 if (cmp == 0)
5142 {
5143 if (!force)
5144 {
5145 EMSG(_("E174: Command already exists: add ! to replace it"));
5146 goto fail;
5147 }
5148
5149 vim_free(cmd->uc_rep);
5150 cmd->uc_rep = NULL;
5151 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5152 vim_free(cmd->uc_compl_arg);
5153 cmd->uc_compl_arg = NULL;
5154 #endif
5155 break;
5156 }
5157
5158 /* Stop as soon as we pass the name to add */
5159 if (cmp < 0)
5160 break;
5161 }
5162
5163 /* Extend the array unless we're replacing an existing command */
5164 if (cmp != 0)
5165 {
5166 if (ga_grow(gap, 1) != OK)
5167 goto fail;
5168 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5169 goto fail;
5170
5171 cmd = USER_CMD_GA(gap, i);
5172 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5173
5174 ++gap->ga_len;
5175
5176 cmd->uc_name = p;
5177 }
5178
5179 cmd->uc_rep = rep_buf;
5180 cmd->uc_argt = argt;
5181 cmd->uc_def = def;
5182 cmd->uc_compl = compl;
5183 #ifdef FEAT_EVAL
5184 cmd->uc_scriptID = current_SID;
5185 # ifdef FEAT_CMDL_COMPL
5186 cmd->uc_compl_arg = compl_arg;
5187 # endif
5188 #endif
5189
5190 return OK;
5191
5192 fail:
5193 vim_free(rep_buf);
5194 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5195 vim_free(compl_arg);
5196 #endif
5197 return FAIL;
5198 }
5199
5200 /*
5201 * List of names for completion for ":command" with the EXPAND_ flag.
5202 * Must be alphabetical for completion.
5203 */
5204 static struct
5205 {
5206 int expand;
5207 char *name;
5208 } command_complete[] =
5209 {
5210 {EXPAND_AUGROUP, "augroup"},
5211 {EXPAND_BUFFERS, "buffer"},
5212 {EXPAND_COMMANDS, "command"},
5213 #if defined(FEAT_CSCOPE)
5214 {EXPAND_CSCOPE, "cscope"},
5215 #endif
5216 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5217 {EXPAND_USER_DEFINED, "custom"},
5218 {EXPAND_USER_LIST, "customlist"},
5219 #endif
5220 {EXPAND_DIRECTORIES, "dir"},
5221 {EXPAND_ENV_VARS, "environment"},
5222 {EXPAND_EVENTS, "event"},
5223 {EXPAND_EXPRESSION, "expression"},
5224 {EXPAND_FILES, "file"},
5225 {EXPAND_FUNCTIONS, "function"},
5226 {EXPAND_HELP, "help"},
5227 {EXPAND_HIGHLIGHT, "highlight"},
5228 {EXPAND_MAPPINGS, "mapping"},
5229 {EXPAND_MENUS, "menu"},
5230 {EXPAND_SETTINGS, "option"},
5231 {EXPAND_SHELLCMD, "shellcmd"},
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 /*ARGSUSED*/
5580 void
5581 ex_comclear(eap)
5582 exarg_T *eap;
5583 {
5584 uc_clear(&ucmds);
5585 uc_clear(&curbuf->b_ucmds);
5586 }
5587
5588 /*
5589 * Clear all user commands for "gap".
5590 */
5591 void
5592 uc_clear(gap)
5593 garray_T *gap;
5594 {
5595 int i;
5596 ucmd_T *cmd;
5597
5598 for (i = 0; i < gap->ga_len; ++i)
5599 {
5600 cmd = USER_CMD_GA(gap, i);
5601 vim_free(cmd->uc_name);
5602 vim_free(cmd->uc_rep);
5603 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5604 vim_free(cmd->uc_compl_arg);
5605 # endif
5606 }
5607 ga_clear(gap);
5608 }
5609
5610 static void
5611 ex_delcommand(eap)
5612 exarg_T *eap;
5613 {
5614 int i = 0;
5615 ucmd_T *cmd = NULL;
5616 int cmp = -1;
5617 garray_T *gap;
5618
5619 gap = &curbuf->b_ucmds;
5620 for (;;)
5621 {
5622 for (i = 0; i < gap->ga_len; ++i)
5623 {
5624 cmd = USER_CMD_GA(gap, i);
5625 cmp = STRCMP(eap->arg, cmd->uc_name);
5626 if (cmp <= 0)
5627 break;
5628 }
5629 if (gap == &ucmds || cmp == 0)
5630 break;
5631 gap = &ucmds;
5632 }
5633
5634 if (cmp != 0)
5635 {
5636 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5637 return;
5638 }
5639
5640 vim_free(cmd->uc_name);
5641 vim_free(cmd->uc_rep);
5642 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5643 vim_free(cmd->uc_compl_arg);
5644 # endif
5645
5646 --gap->ga_len;
5647
5648 if (i < gap->ga_len)
5649 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5650 }
5651
5652 /*
5653 * split and quote args for <f-args>
5654 */
5655 static char_u *
5656 uc_split_args(arg, lenp)
5657 char_u *arg;
5658 size_t *lenp;
5659 {
5660 char_u *buf;
5661 char_u *p;
5662 char_u *q;
5663 int len;
5664
5665 /* Precalculate length */
5666 p = arg;
5667 len = 2; /* Initial and final quotes */
5668
5669 while (*p)
5670 {
5671 if (p[0] == '\\' && p[1] == '\\')
5672 {
5673 len += 2;
5674 p += 2;
5675 }
5676 else if (p[0] == '\\' && vim_iswhite(p[1]))
5677 {
5678 len += 1;
5679 p += 2;
5680 }
5681 else if (*p == '\\' || *p == '"')
5682 {
5683 len += 2;
5684 p += 1;
5685 }
5686 else if (vim_iswhite(*p))
5687 {
5688 p = skipwhite(p);
5689 if (*p == NUL)
5690 break;
5691 len += 3; /* "," */
5692 }
5693 else
5694 {
5695 ++len;
5696 ++p;
5697 }
5698 }
5699
5700 buf = alloc(len + 1);
5701 if (buf == NULL)
5702 {
5703 *lenp = 0;
5704 return buf;
5705 }
5706
5707 p = arg;
5708 q = buf;
5709 *q++ = '"';
5710 while (*p)
5711 {
5712 if (p[0] == '\\' && p[1] == '\\')
5713 {
5714 *q++ = '\\';
5715 *q++ = '\\';
5716 p += 2;
5717 }
5718 else if (p[0] == '\\' && vim_iswhite(p[1]))
5719 {
5720 *q++ = p[1];
5721 p += 2;
5722 }
5723 else if (*p == '\\' || *p == '"')
5724 {
5725 *q++ = '\\';
5726 *q++ = *p++;
5727 }
5728 else if (vim_iswhite(*p))
5729 {
5730 p = skipwhite(p);
5731 if (*p == NUL)
5732 break;
5733 *q++ = '"';
5734 *q++ = ',';
5735 *q++ = '"';
5736 }
5737 else
5738 {
5739 *q++ = *p++;
5740 }
5741 }
5742 *q++ = '"';
5743 *q = 0;
5744
5745 *lenp = len;
5746 return buf;
5747 }
5748
5749 /*
5750 * Check for a <> code in a user command.
5751 * "code" points to the '<'. "len" the length of the <> (inclusive).
5752 * "buf" is where the result is to be added.
5753 * "split_buf" points to a buffer used for splitting, caller should free it.
5754 * "split_len" is the length of what "split_buf" contains.
5755 * Returns the length of the replacement, which has been added to "buf".
5756 * Returns -1 if there was no match, and only the "<" has been copied.
5757 */
5758 static size_t
5759 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5760 char_u *code;
5761 size_t len;
5762 char_u *buf;
5763 ucmd_T *cmd; /* the user command we're expanding */
5764 exarg_T *eap; /* ex arguments */
5765 char_u **split_buf;
5766 size_t *split_len;
5767 {
5768 size_t result = 0;
5769 char_u *p = code + 1;
5770 size_t l = len - 2;
5771 int quote = 0;
5772 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5773 ct_LT, ct_NONE } type = ct_NONE;
5774
5775 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5776 {
5777 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5778 p += 2;
5779 l -= 2;
5780 }
5781
5782 ++l;
5783 if (l <= 1)
5784 type = ct_NONE;
5785 else if (STRNICMP(p, "args>", l) == 0)
5786 type = ct_ARGS;
5787 else if (STRNICMP(p, "bang>", l) == 0)
5788 type = ct_BANG;
5789 else if (STRNICMP(p, "count>", l) == 0)
5790 type = ct_COUNT;
5791 else if (STRNICMP(p, "line1>", l) == 0)
5792 type = ct_LINE1;
5793 else if (STRNICMP(p, "line2>", l) == 0)
5794 type = ct_LINE2;
5795 else if (STRNICMP(p, "lt>", l) == 0)
5796 type = ct_LT;
5797 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5798 type = ct_REGISTER;
5799
5800 switch (type)
5801 {
5802 case ct_ARGS:
5803 /* Simple case first */
5804 if (*eap->arg == NUL)
5805 {
5806 if (quote == 1)
5807 {
5808 result = 2;
5809 if (buf != NULL)
5810 STRCPY(buf, "''");
5811 }
5812 else
5813 result = 0;
5814 break;
5815 }
5816
5817 /* When specified there is a single argument don't split it.
5818 * Works for ":Cmd %" when % is "a b c". */
5819 if ((eap->argt & NOSPC) && quote == 2)
5820 quote = 1;
5821
5822 switch (quote)
5823 {
5824 case 0: /* No quoting, no splitting */
5825 result = STRLEN(eap->arg);
5826 if (buf != NULL)
5827 STRCPY(buf, eap->arg);
5828 break;
5829 case 1: /* Quote, but don't split */
5830 result = STRLEN(eap->arg) + 2;
5831 for (p = eap->arg; *p; ++p)
5832 {
5833 if (*p == '\\' || *p == '"')
5834 ++result;
5835 }
5836
5837 if (buf != NULL)
5838 {
5839 *buf++ = '"';
5840 for (p = eap->arg; *p; ++p)
5841 {
5842 if (*p == '\\' || *p == '"')
5843 *buf++ = '\\';
5844 *buf++ = *p;
5845 }
5846 *buf = '"';
5847 }
5848
5849 break;
5850 case 2: /* Quote and split (<f-args>) */
5851 /* This is hard, so only do it once, and cache the result */
5852 if (*split_buf == NULL)
5853 *split_buf = uc_split_args(eap->arg, split_len);
5854
5855 result = *split_len;
5856 if (buf != NULL && result != 0)
5857 STRCPY(buf, *split_buf);
5858
5859 break;
5860 }
5861 break;
5862
5863 case ct_BANG:
5864 result = eap->forceit ? 1 : 0;
5865 if (quote)
5866 result += 2;
5867 if (buf != NULL)
5868 {
5869 if (quote)
5870 *buf++ = '"';
5871 if (eap->forceit)
5872 *buf++ = '!';
5873 if (quote)
5874 *buf = '"';
5875 }
5876 break;
5877
5878 case ct_LINE1:
5879 case ct_LINE2:
5880 case ct_COUNT:
5881 {
5882 char num_buf[20];
5883 long num = (type == ct_LINE1) ? eap->line1 :
5884 (type == ct_LINE2) ? eap->line2 :
5885 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5886 size_t num_len;
5887
5888 sprintf(num_buf, "%ld", num);
5889 num_len = STRLEN(num_buf);
5890 result = num_len;
5891
5892 if (quote)
5893 result += 2;
5894
5895 if (buf != NULL)
5896 {
5897 if (quote)
5898 *buf++ = '"';
5899 STRCPY(buf, num_buf);
5900 buf += num_len;
5901 if (quote)
5902 *buf = '"';
5903 }
5904
5905 break;
5906 }
5907
5908 case ct_REGISTER:
5909 result = eap->regname ? 1 : 0;
5910 if (quote)
5911 result += 2;
5912 if (buf != NULL)
5913 {
5914 if (quote)
5915 *buf++ = '\'';
5916 if (eap->regname)
5917 *buf++ = eap->regname;
5918 if (quote)
5919 *buf = '\'';
5920 }
5921 break;
5922
5923 case ct_LT:
5924 result = 1;
5925 if (buf != NULL)
5926 *buf = '<';
5927 break;
5928
5929 default:
5930 /* Not recognized: just copy the '<' and return -1. */
5931 result = (size_t)-1;
5932 if (buf != NULL)
5933 *buf = '<';
5934 break;
5935 }
5936
5937 return result;
5938 }
5939
5940 static void
5941 do_ucmd(eap)
5942 exarg_T *eap;
5943 {
5944 char_u *buf;
5945 char_u *p;
5946 char_u *q;
5947
5948 char_u *start;
5949 char_u *end = NULL;
5950 char_u *ksp;
5951 size_t len, totlen;
5952
5953 size_t split_len = 0;
5954 char_u *split_buf = NULL;
5955 ucmd_T *cmd;
5956 #ifdef FEAT_EVAL
5957 scid_T save_current_SID = current_SID;
5958 #endif
5959
5960 if (eap->cmdidx == CMD_USER)
5961 cmd = USER_CMD(eap->useridx);
5962 else
5963 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5964
5965 /*
5966 * Replace <> in the command by the arguments.
5967 * First round: "buf" is NULL, compute length, allocate "buf".
5968 * Second round: copy result into "buf".
5969 */
5970 buf = NULL;
5971 for (;;)
5972 {
5973 p = cmd->uc_rep; /* source */
5974 q = buf; /* destination */
5975 totlen = 0;
5976
5977 for (;;)
5978 {
5979 start = vim_strchr(p, '<');
5980 if (start != NULL)
5981 end = vim_strchr(start + 1, '>');
5982 if (buf != NULL)
5983 {
5984 ksp = vim_strchr(p, K_SPECIAL);
5985 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5986 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5987 # ifdef FEAT_GUI
5988 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5989 # endif
5990 ))
5991 {
5992 /* K_SPECIAL han been put in the buffer as K_SPECIAL
5993 * KS_SPECIAL KE_FILLER, like for mappings, but
5994 * do_cmdline() doesn't handle that, so convert it back.
5995 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
5996 len = ksp - p;
5997 if (len > 0)
5998 {
5999 mch_memmove(q, p, len);
6000 q += len;
6001 }
6002 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6003 p = ksp + 3;
6004 continue;
6005 }
6006 }
6007
6008 /* break if there no <item> is found */
6009 if (start == NULL || end == NULL)
6010 break;
6011
6012 /* Include the '>' */
6013 ++end;
6014
6015 /* Take everything up to the '<' */
6016 len = start - p;
6017 if (buf == NULL)
6018 totlen += len;
6019 else
6020 {
6021 mch_memmove(q, p, len);
6022 q += len;
6023 }
6024
6025 len = uc_check_code(start, end - start, q, cmd, eap,
6026 &split_buf, &split_len);
6027 if (len == (size_t)-1)
6028 {
6029 /* no match, continue after '<' */
6030 p = start + 1;
6031 len = 1;
6032 }
6033 else
6034 p = end;
6035 if (buf == NULL)
6036 totlen += len;
6037 else
6038 q += len;
6039 }
6040 if (buf != NULL) /* second time here, finished */
6041 {
6042 STRCPY(q, p);
6043 break;
6044 }
6045
6046 totlen += STRLEN(p); /* Add on the trailing characters */
6047 buf = alloc((unsigned)(totlen + 1));
6048 if (buf == NULL)
6049 {
6050 vim_free(split_buf);
6051 return;
6052 }
6053 }
6054
6055 #ifdef FEAT_EVAL
6056 current_SID = cmd->uc_scriptID;
6057 #endif
6058 (void)do_cmdline(buf, eap->getline, eap->cookie,
6059 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6060 #ifdef FEAT_EVAL
6061 current_SID = save_current_SID;
6062 #endif
6063 vim_free(buf);
6064 vim_free(split_buf);
6065 }
6066
6067 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6068 static char_u *
6069 get_user_command_name(idx)
6070 int idx;
6071 {
6072 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6073 }
6074
6075 /*
6076 * Function given to ExpandGeneric() to obtain the list of user command names.
6077 */
6078 /*ARGSUSED*/
6079 char_u *
6080 get_user_commands(xp, idx)
6081 expand_T *xp;
6082 int idx;
6083 {
6084 if (idx < curbuf->b_ucmds.ga_len)
6085 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6086 idx -= curbuf->b_ucmds.ga_len;
6087 if (idx < ucmds.ga_len)
6088 return USER_CMD(idx)->uc_name;
6089 return NULL;
6090 }
6091
6092 /*
6093 * Function given to ExpandGeneric() to obtain the list of user command
6094 * attributes.
6095 */
6096 /*ARGSUSED*/
6097 char_u *
6098 get_user_cmd_flags(xp, idx)
6099 expand_T *xp;
6100 int idx;
6101 {
6102 static char *user_cmd_flags[] =
6103 {"bang", "bar", "buffer", "complete", "count",
6104 "nargs", "range", "register"};
6105
6106 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6107 return NULL;
6108 return (char_u *)user_cmd_flags[idx];
6109 }
6110
6111 /*
6112 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6113 */
6114 /*ARGSUSED*/
6115 char_u *
6116 get_user_cmd_nargs(xp, idx)
6117 expand_T *xp;
6118 int idx;
6119 {
6120 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6121
6122 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6123 return NULL;
6124 return (char_u *)user_cmd_nargs[idx];
6125 }
6126
6127 /*
6128 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6129 */
6130 /*ARGSUSED*/
6131 char_u *
6132 get_user_cmd_complete(xp, idx)
6133 expand_T *xp;
6134 int idx;
6135 {
6136 return (char_u *)command_complete[idx].name;
6137 }
6138 # endif /* FEAT_CMDL_COMPL */
6139
6140 #endif /* FEAT_USR_CMDS */
6141
6142 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6143 /*
6144 * Parse a completion argument "value[vallen]".
6145 * The detected completion goes in "*complp", argument type in "*argt".
6146 * When there is an argument, for function and user defined completion, it's
6147 * copied to allocated memory and stored in "*compl_arg".
6148 * Returns FAIL if something is wrong.
6149 */
6150 int
6151 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6152 char_u *value;
6153 int vallen;
6154 int *complp;
6155 long *argt;
6156 char_u **compl_arg;
6157 {
6158 char_u *arg = NULL;
6159 size_t arglen = 0;
6160 int i;
6161 int valend = vallen;
6162
6163 /* Look for any argument part - which is the part after any ',' */
6164 for (i = 0; i < vallen; ++i)
6165 {
6166 if (value[i] == ',')
6167 {
6168 arg = &value[i + 1];
6169 arglen = vallen - i - 1;
6170 valend = i;
6171 break;
6172 }
6173 }
6174
6175 for (i = 0; command_complete[i].expand != 0; ++i)
6176 {
6177 if ((int)STRLEN(command_complete[i].name) == valend
6178 && STRNCMP(value, command_complete[i].name, valend) == 0)
6179 {
6180 *complp = command_complete[i].expand;
6181 if (command_complete[i].expand == EXPAND_BUFFERS)
6182 *argt |= BUFNAME;
6183 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6184 || command_complete[i].expand == EXPAND_FILES)
6185 *argt |= XFILE;
6186 break;
6187 }
6188 }
6189
6190 if (command_complete[i].expand == 0)
6191 {
6192 EMSG2(_("E180: Invalid complete value: %s"), value);
6193 return FAIL;
6194 }
6195
6196 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6197 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6198 && arg != NULL)
6199 # else
6200 if (arg != NULL)
6201 # endif
6202 {
6203 EMSG(_("E468: Completion argument only allowed for custom completion"));
6204 return FAIL;
6205 }
6206
6207 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6208 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6209 && arg == NULL)
6210 {
6211 EMSG(_("E467: Custom completion requires a function argument"));
6212 return FAIL;
6213 }
6214
6215 if (arg != NULL)
6216 *compl_arg = vim_strnsave(arg, (int)arglen);
6217 # endif
6218 return OK;
6219 }
6220 #endif
6221
6222 static void
6223 ex_colorscheme(eap)
6224 exarg_T *eap;
6225 {
6226 if (load_colors(eap->arg) == FAIL)
6227 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6228 }
6229
6230 static void
6231 ex_highlight(eap)
6232 exarg_T *eap;
6233 {
6234 if (*eap->arg == NUL && eap->cmd[2] == '!')
6235 MSG(_("Greetings, Vim user!"));
6236 do_highlight(eap->arg, eap->forceit, FALSE);
6237 }
6238
6239
6240 /*
6241 * Call this function if we thought we were going to exit, but we won't
6242 * (because of an error). May need to restore the terminal mode.
6243 */
6244 void
6245 not_exiting()
6246 {
6247 exiting = FALSE;
6248 settmode(TMODE_RAW);
6249 }
6250
6251 /*
6252 * ":quit": quit current window, quit Vim if closed the last window.
6253 */
6254 static void
6255 ex_quit(eap)
6256 exarg_T *eap;
6257 {
6258 #ifdef FEAT_CMDWIN
6259 if (cmdwin_type != 0)
6260 {
6261 cmdwin_result = Ctrl_C;
6262 return;
6263 }
6264 #endif
6265 /* Don't quit while editing the command line. */
6266 if (text_locked())
6267 {
6268 text_locked_msg();
6269 return;
6270 }
6271 #ifdef FEAT_AUTOCMD
6272 if (curbuf_locked())
6273 return;
6274 #endif
6275
6276 #ifdef FEAT_NETBEANS_INTG
6277 netbeansForcedQuit = eap->forceit;
6278 #endif
6279
6280 /*
6281 * If there are more files or windows we won't exit.
6282 */
6283 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6284 exiting = TRUE;
6285 if ((!P_HID(curbuf)
6286 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6287 || check_more(TRUE, eap->forceit) == FAIL
6288 || (only_one_window() && check_changed_any(eap->forceit)))
6289 {
6290 not_exiting();
6291 }
6292 else
6293 {
6294 #ifdef FEAT_WINDOWS
6295 if (only_one_window()) /* quit last window */
6296 #endif
6297 getout(0);
6298 #ifdef FEAT_WINDOWS
6299 # ifdef FEAT_GUI
6300 need_mouse_correct = TRUE;
6301 # endif
6302 /* close window; may free buffer */
6303 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6304 #endif
6305 }
6306 }
6307
6308 /*
6309 * ":cquit".
6310 */
6311 /*ARGSUSED*/
6312 static void
6313 ex_cquit(eap)
6314 exarg_T *eap;
6315 {
6316 getout(1); /* this does not always pass on the exit code to the Manx
6317 compiler. why? */
6318 }
6319
6320 /*
6321 * ":qall": try to quit all windows
6322 */
6323 static void
6324 ex_quit_all(eap)
6325 exarg_T *eap;
6326 {
6327 # ifdef FEAT_CMDWIN
6328 if (cmdwin_type != 0)
6329 {
6330 if (eap->forceit)
6331 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6332 else
6333 cmdwin_result = K_XF2;
6334 return;
6335 }
6336 # endif
6337
6338 /* Don't quit while editing the command line. */
6339 if (text_locked())
6340 {
6341 text_locked_msg();
6342 return;
6343 }
6344 #ifdef FEAT_AUTOCMD
6345 if (curbuf_locked())
6346 return;
6347 #endif
6348
6349 exiting = TRUE;
6350 if (eap->forceit || !check_changed_any(FALSE))
6351 getout(0);
6352 not_exiting();
6353 }
6354
6355 #if defined(FEAT_WINDOWS) || defined(PROTO)
6356 /*
6357 * ":close": close current window, unless it is the last one
6358 */
6359 static void
6360 ex_close(eap)
6361 exarg_T *eap;
6362 {
6363 # ifdef FEAT_CMDWIN
6364 if (cmdwin_type != 0)
6365 cmdwin_result = K_IGNORE;
6366 else
6367 # endif
6368 if (!text_locked()
6369 #ifdef FEAT_AUTOCMD
6370 && !curbuf_locked()
6371 #endif
6372 )
6373 ex_win_close(eap->forceit, curwin, NULL);
6374 }
6375
6376 # ifdef FEAT_QUICKFIX
6377 /*
6378 * ":pclose": Close any preview window.
6379 */
6380 static void
6381 ex_pclose(eap)
6382 exarg_T *eap;
6383 {
6384 win_T *win;
6385
6386 for (win = firstwin; win != NULL; win = win->w_next)
6387 if (win->w_p_pvw)
6388 {
6389 ex_win_close(eap->forceit, win, NULL);
6390 break;
6391 }
6392 }
6393 # endif
6394
6395 /*
6396 * Close window "win" and take care of handling closing the last window for a
6397 * modified buffer.
6398 */
6399 static void
6400 ex_win_close(forceit, win, tp)
6401 int forceit;
6402 win_T *win;
6403 tabpage_T *tp; /* NULL or the tab page "win" is in */
6404 {
6405 int need_hide;
6406 buf_T *buf = win->w_buffer;
6407
6408 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6409 if (need_hide && !P_HID(buf) && !forceit)
6410 {
6411 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6412 if ((p_confirm || cmdmod.confirm) && p_write)
6413 {
6414 dialog_changed(buf, FALSE);
6415 if (buf_valid(buf) && bufIsChanged(buf))
6416 return;
6417 need_hide = FALSE;
6418 }
6419 else
6420 # endif
6421 {
6422 EMSG(_(e_nowrtmsg));
6423 return;
6424 }
6425 }
6426
6427 # ifdef FEAT_GUI
6428 need_mouse_correct = TRUE;
6429 # endif
6430
6431 /* free buffer when not hiding it or when it's a scratch buffer */
6432 if (tp == NULL)
6433 win_close(win, !need_hide && !P_HID(buf));
6434 else
6435 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6436 }
6437
6438 /*
6439 * ":tabclose": close current tab page, unless it is the last one.
6440 * ":tabclose N": close tab page N.
6441 */
6442 static void
6443 ex_tabclose(eap)
6444 exarg_T *eap;
6445 {
6446 tabpage_T *tp;
6447
6448 # ifdef FEAT_CMDWIN
6449 if (cmdwin_type != 0)
6450 cmdwin_result = K_IGNORE;
6451 else
6452 # endif
6453 if (first_tabpage->tp_next == NULL)
6454 EMSG(_("E784: Cannot close last tab page"));
6455 else
6456 {
6457 if (eap->addr_count > 0)
6458 {
6459 tp = find_tabpage((int)eap->line2);
6460 if (tp == NULL)
6461 {
6462 beep_flush();
6463 return;
6464 }
6465 if (tp != curtab)
6466 {
6467 tabpage_close_other(tp, eap->forceit);
6468 return;
6469 }
6470 }
6471 if (!text_locked()
6472 #ifdef FEAT_AUTOCMD
6473 && !curbuf_locked()
6474 #endif
6475 )
6476 tabpage_close(eap->forceit);
6477 }
6478 }
6479
6480 /*
6481 * ":tabonly": close all tab pages except the current one
6482 */
6483 static void
6484 ex_tabonly(eap)
6485 exarg_T *eap;
6486 {
6487 tabpage_T *tp;
6488 int done;
6489
6490 # ifdef FEAT_CMDWIN
6491 if (cmdwin_type != 0)
6492 cmdwin_result = K_IGNORE;
6493 else
6494 # endif
6495 if (first_tabpage->tp_next == NULL)
6496 MSG(_("Already only one tab page"));
6497 else
6498 {
6499 /* Repeat this up to a 1000 times, because autocommands may mess
6500 * up the lists. */
6501 for (done = 0; done < 1000; ++done)
6502 {
6503 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6504 if (tp->tp_topframe != topframe)
6505 {
6506 tabpage_close_other(tp, eap->forceit);
6507 /* if we failed to close it quit */
6508 if (valid_tabpage(tp))
6509 done = 1000;
6510 /* start over, "tp" is now invalid */
6511 break;
6512 }
6513 if (first_tabpage->tp_next == NULL)
6514 break;
6515 }
6516 }
6517 }
6518
6519 /*
6520 * Close the current tab page.
6521 */
6522 void
6523 tabpage_close(forceit)
6524 int forceit;
6525 {
6526 /* First close all the windows but the current one. If that worked then
6527 * close the last window in this tab, that will close it. */
6528 if (lastwin != firstwin)
6529 close_others(TRUE, forceit);
6530 if (lastwin == firstwin)
6531 ex_win_close(forceit, curwin, NULL);
6532 # ifdef FEAT_GUI
6533 need_mouse_correct = TRUE;
6534 # endif
6535 }
6536
6537 /*
6538 * Close tab page "tp", which is not the current tab page.
6539 * Note that autocommands may make "tp" invalid.
6540 * Also takes care of the tab pages line disappearing when closing the
6541 * last-but-one tab page.
6542 */
6543 void
6544 tabpage_close_other(tp, forceit)
6545 tabpage_T *tp;
6546 int forceit;
6547 {
6548 int done = 0;
6549 win_T *wp;
6550 int h = tabline_height();
6551
6552 /* Limit to 1000 windows, autocommands may add a window while we close
6553 * one. OK, so I'm paranoid... */
6554 while (++done < 1000)
6555 {
6556 wp = tp->tp_firstwin;
6557 ex_win_close(forceit, wp, tp);
6558
6559 /* Autocommands may delete the tab page under our fingers and we may
6560 * fail to close a window with a modified buffer. */
6561 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6562 break;
6563 }
6564
6565 redraw_tabline = TRUE;
6566 if (h != tabline_height())
6567 shell_new_rows();
6568 }
6569
6570 /*
6571 * ":only".
6572 */
6573 static void
6574 ex_only(eap)
6575 exarg_T *eap;
6576 {
6577 # ifdef FEAT_GUI
6578 need_mouse_correct = TRUE;
6579 # endif
6580 close_others(TRUE, eap->forceit);
6581 }
6582
6583 /*
6584 * ":all" and ":sall".
6585 * Also used for ":tab drop file ..." after setting the argument list.
6586 */
6587 void
6588 ex_all(eap)
6589 exarg_T *eap;
6590 {
6591 if (eap->addr_count == 0)
6592 eap->line2 = 9999;
6593 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6594 }
6595 #endif /* FEAT_WINDOWS */
6596
6597 static void
6598 ex_hide(eap)
6599 exarg_T *eap;
6600 {
6601 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6602 eap->errmsg = e_invarg;
6603 else
6604 {
6605 /* ":hide" or ":hide | cmd": hide current window */
6606 eap->nextcmd = check_nextcmd(eap->arg);
6607 #ifdef FEAT_WINDOWS
6608 if (!eap->skip)
6609 {
6610 # ifdef FEAT_GUI
6611 need_mouse_correct = TRUE;
6612 # endif
6613 win_close(curwin, FALSE); /* don't free buffer */
6614 }
6615 #endif
6616 }
6617 }
6618
6619 /*
6620 * ":stop" and ":suspend": Suspend Vim.
6621 */
6622 static void
6623 ex_stop(eap)
6624 exarg_T *eap;
6625 {
6626 /*
6627 * Disallow suspending for "rvim".
6628 */
6629 if (!check_restricted()
6630 #ifdef WIN3264
6631 /*
6632 * Check if external commands are allowed now.
6633 */
6634 && can_end_termcap_mode(TRUE)
6635 #endif
6636 )
6637 {
6638 if (!eap->forceit)
6639 autowrite_all();
6640 windgoto((int)Rows - 1, 0);
6641 out_char('\n');
6642 out_flush();
6643 stoptermcap();
6644 out_flush(); /* needed for SUN to restore xterm buffer */
6645 #ifdef FEAT_TITLE
6646 mch_restore_title(3); /* restore window titles */
6647 #endif
6648 ui_suspend(); /* call machine specific function */
6649 #ifdef FEAT_TITLE
6650 maketitle();
6651 resettitle(); /* force updating the title */
6652 #endif
6653 starttermcap();
6654 scroll_start(); /* scroll screen before redrawing */
6655 redraw_later_clear();
6656 shell_resized(); /* may have resized window */
6657 }
6658 }
6659
6660 /*
6661 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6662 */
6663 static void
6664 ex_exit(eap)
6665 exarg_T *eap;
6666 {
6667 #ifdef FEAT_CMDWIN
6668 if (cmdwin_type != 0)
6669 {
6670 cmdwin_result = Ctrl_C;
6671 return;
6672 }
6673 #endif
6674 /* Don't quit while editing the command line. */
6675 if (text_locked())
6676 {
6677 text_locked_msg();
6678 return;
6679 }
6680 #ifdef FEAT_AUTOCMD
6681 if (curbuf_locked())
6682 return;
6683 #endif
6684
6685 /*
6686 * if more files or windows we won't exit
6687 */
6688 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6689 exiting = TRUE;
6690 if ( ((eap->cmdidx == CMD_wq
6691 || curbufIsChanged())
6692 && do_write(eap) == FAIL)
6693 || check_more(TRUE, eap->forceit) == FAIL
6694 || (only_one_window() && check_changed_any(eap->forceit)))
6695 {
6696 not_exiting();
6697 }
6698 else
6699 {
6700 #ifdef FEAT_WINDOWS
6701 if (only_one_window()) /* quit last window, exit Vim */
6702 #endif
6703 getout(0);
6704 #ifdef FEAT_WINDOWS
6705 # ifdef FEAT_GUI
6706 need_mouse_correct = TRUE;
6707 # endif
6708 /* quit current window, may free buffer */
6709 win_close(curwin, !P_HID(curwin->w_buffer));
6710 #endif
6711 }
6712 }
6713
6714 /*
6715 * ":print", ":list", ":number".
6716 */
6717 static void
6718 ex_print(eap)
6719 exarg_T *eap;
6720 {
6721 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6722 EMSG(_(e_emptybuf));
6723 else
6724 {
6725 for ( ;!got_int; ui_breakcheck())
6726 {
6727 print_line(eap->line1,
6728 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6729 || (eap->flags & EXFLAG_NR)),
6730 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6731 if (++eap->line1 > eap->line2)
6732 break;
6733 out_flush(); /* show one line at a time */
6734 }
6735 setpcmark();
6736 /* put cursor at last line */
6737 curwin->w_cursor.lnum = eap->line2;
6738 beginline(BL_SOL | BL_FIX);
6739 }
6740
6741 ex_no_reprint = TRUE;
6742 }
6743
6744 #ifdef FEAT_BYTEOFF
6745 static void
6746 ex_goto(eap)
6747 exarg_T *eap;
6748 {
6749 goto_byte(eap->line2);
6750 }
6751 #endif
6752
6753 /*
6754 * ":shell".
6755 */
6756 /*ARGSUSED*/
6757 static void
6758 ex_shell(eap)
6759 exarg_T *eap;
6760 {
6761 do_shell(NULL, 0);
6762 }
6763
6764 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6765 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6766 || defined(FEAT_GUI_MSWIN) \
6767 || defined(FEAT_GUI_MAC) \
6768 || defined(PROTO) \
6769 || defined(FEAT_GUI_MACVIM)
6770
6771 /*
6772 * Handle a file drop. The code is here because a drop is *nearly* like an
6773 * :args command, but not quite (we have a list of exact filenames, so we
6774 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6775 * code is very similar to :args and hence needs access to a lot of the static
6776 * functions in this file.
6777 *
6778 * The list should be allocated using alloc(), as should each item in the
6779 * list. This function takes over responsibility for freeing the list.
6780 *
6781 * XXX The list is made into the argument list. This is freed using
6782 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6783 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6784 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6785 * file functionality is (currently) not in EMX this is not presently a
6786 * problem.
6787 */
6788 void
6789 handle_drop(filec, filev, split)
6790 int filec; /* the number of files dropped */
6791 char_u **filev; /* the list of files dropped */
6792 int split; /* force splitting the window */
6793 {
6794 exarg_T ea;
6795 int save_msg_scroll = msg_scroll;
6796
6797 /* Postpone this while editing the command line. */
6798 if (text_locked())
6799 return;
6800 #ifdef FEAT_AUTOCMD
6801 if (curbuf_locked())
6802 return;
6803 #endif
6804 /* When the screen is being updated we should not change buffers and
6805 * windows structures, it may cause freed memory to be used. */
6806 if (updating_screen)
6807 return;
6808
6809 /* Check whether the current buffer is changed. If so, we will need
6810 * to split the current window or data could be lost.
6811 * We don't need to check if the 'hidden' option is set, as in this
6812 * case the buffer won't be lost.
6813 */
6814 if (!P_HID(curbuf) && !split)
6815 {
6816 ++emsg_off;
6817 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6818 --emsg_off;
6819 }
6820 if (split)
6821 {
6822 # ifdef FEAT_WINDOWS
6823 if (win_split(0, 0) == FAIL)
6824 return;
6825 # ifdef FEAT_SCROLLBIND
6826 curwin->w_p_scb = FALSE;
6827 # endif
6828
6829 /* When splitting the window, create a new alist. Otherwise the
6830 * existing one is overwritten. */
6831 alist_unlink(curwin->w_alist);
6832 alist_new();
6833 # else
6834 return; /* can't split, always fail */
6835 # endif
6836 }
6837
6838 /*
6839 * Set up the new argument list.
6840 */
6841 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6842
6843 /*
6844 * Move to the first file.
6845 */
6846 /* Fake up a minimal "next" command for do_argfile() */
6847 vim_memset(&ea, 0, sizeof(ea));
6848 ea.cmd = (char_u *)"next";
6849 do_argfile(&ea, 0);
6850
6851 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6852 * mode that is not needed here. */
6853 need_start_insertmode = FALSE;
6854
6855 /* Restore msg_scroll, otherwise a following command may cause scrolling
6856 * unexpectedly. The screen will be redrawn by the caller, thus
6857 * msg_scroll being set by displaying a message is irrelevant. */
6858 msg_scroll = save_msg_scroll;
6859 }
6860 #endif
6861
6862 /*
6863 * Clear an argument list: free all file names and reset it to zero entries.
6864 */
6865 void
6866 alist_clear(al)
6867 alist_T *al;
6868 {
6869 while (--al->al_ga.ga_len >= 0)
6870 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6871 ga_clear(&al->al_ga);
6872 }
6873
6874 /*
6875 * Init an argument list.
6876 */
6877 void
6878 alist_init(al)
6879 alist_T *al;
6880 {
6881 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6882 }
6883
6884 #if defined(FEAT_WINDOWS) || defined(PROTO)
6885
6886 /*
6887 * Remove a reference from an argument list.
6888 * Ignored when the argument list is the global one.
6889 * If the argument list is no longer used by any window, free it.
6890 */
6891 void
6892 alist_unlink(al)
6893 alist_T *al;
6894 {
6895 if (al != &global_alist && --al->al_refcount <= 0)
6896 {
6897 alist_clear(al);
6898 vim_free(al);
6899 }
6900 }
6901
6902 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6903 /*
6904 * Create a new argument list and use it for the current window.
6905 */
6906 void
6907 alist_new()
6908 {
6909 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6910 if (curwin->w_alist == NULL)
6911 {
6912 curwin->w_alist = &global_alist;
6913 ++global_alist.al_refcount;
6914 }
6915 else
6916 {
6917 curwin->w_alist->al_refcount = 1;
6918 alist_init(curwin->w_alist);
6919 }
6920 }
6921 # endif
6922 #endif
6923
6924 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6925 /*
6926 * Expand the file names in the global argument list.
6927 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6928 * numbers to be re-used.
6929 */
6930 void
6931 alist_expand(fnum_list, fnum_len)
6932 int *fnum_list;
6933 int fnum_len;
6934 {
6935 char_u **old_arg_files;
6936 int old_arg_count;
6937 char_u **new_arg_files;
6938 int new_arg_file_count;
6939 char_u *save_p_su = p_su;
6940 int i;
6941
6942 /* Don't use 'suffixes' here. This should work like the shell did the
6943 * expansion. Also, the vimrc file isn't read yet, thus the user
6944 * can't set the options. */
6945 p_su = empty_option;
6946 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6947 if (old_arg_files != NULL)
6948 {
6949 for (i = 0; i < GARGCOUNT; ++i)
6950 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6951 old_arg_count = GARGCOUNT;
6952 if (expand_wildcards(old_arg_count, old_arg_files,
6953 &new_arg_file_count, &new_arg_files,
6954 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6955 && new_arg_file_count > 0)
6956 {
6957 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6958 TRUE, fnum_list, fnum_len);
6959 FreeWild(old_arg_count, old_arg_files);
6960 }
6961 }
6962 p_su = save_p_su;
6963 }
6964 #endif
6965
6966 /*
6967 * Set the argument list for the current window.
6968 * Takes over the allocated files[] and the allocated fnames in it.
6969 */
6970 void
6971 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6972 alist_T *al;
6973 int count;
6974 char_u **files;
6975 int use_curbuf;
6976 int *fnum_list;
6977 int fnum_len;
6978 {
6979 int i;
6980
6981 alist_clear(al);
6982 if (ga_grow(&al->al_ga, count) == OK)
6983 {
6984 for (i = 0; i < count; ++i)
6985 {
6986 if (got_int)
6987 {
6988 /* When adding many buffers this can take a long time. Allow
6989 * interrupting here. */
6990 while (i < count)
6991 vim_free(files[i++]);
6992 break;
6993 }
6994
6995 /* May set buffer name of a buffer previously used for the
6996 * argument list, so that it's re-used by alist_add. */
6997 if (fnum_list != NULL && i < fnum_len)
6998 buf_set_name(fnum_list[i], files[i]);
6999
7000 alist_add(al, files[i], use_curbuf ? 2 : 1);
7001 ui_breakcheck();
7002 }
7003 vim_free(files);
7004 }
7005 else
7006 FreeWild(count, files);
7007 #ifdef FEAT_WINDOWS
7008 if (al == &global_alist)
7009 #endif
7010 arg_had_last = FALSE;
7011 }
7012
7013 /*
7014 * Add file "fname" to argument list "al".
7015 * "fname" must have been allocated and "al" must have been checked for room.
7016 */
7017 void
7018 alist_add(al, fname, set_fnum)
7019 alist_T *al;
7020 char_u *fname;
7021 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7022 {
7023 if (fname == NULL) /* don't add NULL file names */
7024 return;
7025 #ifdef BACKSLASH_IN_FILENAME
7026 slash_adjust(fname);
7027 #endif
7028 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7029 if (set_fnum > 0)
7030 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7031 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7032 ++al->al_ga.ga_len;
7033 }
7034
7035 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7036 /*
7037 * Adjust slashes in file names. Called after 'shellslash' was set.
7038 */
7039 void
7040 alist_slash_adjust()
7041 {
7042 int i;
7043 # ifdef FEAT_WINDOWS
7044 win_T *wp;
7045 tabpage_T *tp;
7046 # endif
7047
7048 for (i = 0; i < GARGCOUNT; ++i)
7049 if (GARGLIST[i].ae_fname != NULL)
7050 slash_adjust(GARGLIST[i].ae_fname);
7051 # ifdef FEAT_WINDOWS
7052 FOR_ALL_TAB_WINDOWS(tp, wp)
7053 if (wp->w_alist != &global_alist)
7054 for (i = 0; i < WARGCOUNT(wp); ++i)
7055 if (WARGLIST(wp)[i].ae_fname != NULL)
7056 slash_adjust(WARGLIST(wp)[i].ae_fname);
7057 # endif
7058 }
7059 #endif
7060
7061 /*
7062 * ":preserve".
7063 */
7064 /*ARGSUSED*/
7065 static void
7066 ex_preserve(eap)
7067 exarg_T *eap;
7068 {
7069 curbuf->b_flags |= BF_PRESERVED;
7070 ml_preserve(curbuf, TRUE);
7071 }
7072
7073 /*
7074 * ":recover".
7075 */
7076 static void
7077 ex_recover(eap)
7078 exarg_T *eap;
7079 {
7080 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7081 recoverymode = TRUE;
7082 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7083 && (*eap->arg == NUL
7084 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7085 ml_recover();
7086 recoverymode = FALSE;
7087 }
7088
7089 /*
7090 * Command modifier used in a wrong way.
7091 */
7092 static void
7093 ex_wrongmodifier(eap)
7094 exarg_T *eap;
7095 {
7096 eap->errmsg = e_invcmd;
7097 }
7098
7099 #ifdef FEAT_WINDOWS
7100 /*
7101 * :sview [+command] file split window with new file, read-only
7102 * :split [[+command] file] split window with current or new file
7103 * :vsplit [[+command] file] split window vertically with current or new file
7104 * :new [[+command] file] split window with no or new file
7105 * :vnew [[+command] file] split vertically window with no or new file
7106 * :sfind [+command] file split window with file in 'path'
7107 *
7108 * :tabedit open new Tab page with empty window
7109 * :tabedit [+command] file open new Tab page and edit "file"
7110 * :tabnew [[+command] file] just like :tabedit
7111 * :tabfind [+command] file open new Tab page and find "file"
7112 */
7113 void
7114 ex_splitview(eap)
7115 exarg_T *eap;
7116 {
7117 win_T *old_curwin = curwin;
7118 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7119 char_u *fname = NULL;
7120 # endif
7121 # ifdef FEAT_BROWSE
7122 int browse_flag = cmdmod.browse;
7123 # endif
7124
7125 # ifndef FEAT_VERTSPLIT
7126 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7127 {
7128 ex_ni(eap);
7129 return;
7130 }
7131 # endif
7132
7133 # ifdef FEAT_GUI
7134 need_mouse_correct = TRUE;
7135 # endif
7136
7137 # ifdef FEAT_QUICKFIX
7138 /* A ":split" in the quickfix window works like ":new". Don't want two
7139 * quickfix windows. But it's OK when doing ":tab split". */
7140 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7141 {
7142 if (eap->cmdidx == CMD_split)
7143 eap->cmdidx = CMD_new;
7144 # ifdef FEAT_VERTSPLIT
7145 if (eap->cmdidx == CMD_vsplit)
7146 eap->cmdidx = CMD_vnew;
7147 # endif
7148 }
7149 # endif
7150
7151 # ifdef FEAT_SEARCHPATH
7152 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7153 {
7154 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7155 FNAME_MESS, TRUE, curbuf->b_ffname);
7156 if (fname == NULL)
7157 goto theend;
7158 eap->arg = fname;
7159 }
7160 # ifdef FEAT_BROWSE
7161 else
7162 # endif
7163 # endif
7164 # ifdef FEAT_BROWSE
7165 if (cmdmod.browse
7166 # ifdef FEAT_VERTSPLIT
7167 && eap->cmdidx != CMD_vnew
7168 # endif
7169 && eap->cmdidx != CMD_new)
7170 {
7171 # ifdef FEAT_AUTOCMD
7172 if (
7173 # ifdef FEAT_GUI
7174 !gui.in_use &&
7175 # endif
7176 au_has_group((char_u *)"FileExplorer"))
7177 {
7178 /* No browsing supported but we do have the file explorer:
7179 * Edit the directory. */
7180 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7181 eap->arg = (char_u *)".";
7182 }
7183 else
7184 # endif
7185 {
7186 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7187 eap->arg, NULL, NULL, NULL, curbuf);
7188 if (fname == NULL)
7189 goto theend;
7190 eap->arg = fname;
7191 }
7192 }
7193 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7194 # endif
7195
7196 /*
7197 * Either open new tab page or split the window.
7198 */
7199 if (eap->cmdidx == CMD_tabedit
7200 || eap->cmdidx == CMD_tabfind
7201 || eap->cmdidx == CMD_tabnew)
7202 {
7203 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7204 : eap->addr_count == 0 ? 0
7205 : (int)eap->line2 + 1) != FAIL)
7206 {
7207 do_exedit(eap, old_curwin);
7208
7209 /* set the alternate buffer for the window we came from */
7210 if (curwin != old_curwin
7211 && win_valid(old_curwin)
7212 && old_curwin->w_buffer != curbuf
7213 && !cmdmod.keepalt)
7214 old_curwin->w_alt_fnum = curbuf->b_fnum;
7215 }
7216 }
7217 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7218 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7219 {
7220 # ifdef FEAT_SCROLLBIND
7221 /* Reset 'scrollbind' when editing another file, but keep it when
7222 * doing ":split" without arguments. */
7223 if (*eap->arg != NUL
7224 # ifdef FEAT_BROWSE
7225 || cmdmod.browse
7226 # endif
7227 )
7228 curwin->w_p_scb = FALSE;
7229 else
7230 do_check_scrollbind(FALSE);
7231 # endif
7232 do_exedit(eap, old_curwin);
7233 }
7234
7235 # ifdef FEAT_BROWSE
7236 cmdmod.browse = browse_flag;
7237 # endif
7238
7239 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7240 theend:
7241 vim_free(fname);
7242 # endif
7243 }
7244
7245 /*
7246 * Open a new tab page.
7247 */
7248 void
7249 tabpage_new()
7250 {
7251 exarg_T ea;
7252
7253 vim_memset(&ea, 0, sizeof(ea));
7254 ea.cmdidx = CMD_tabnew;
7255 ea.cmd = (char_u *)"tabn";
7256 ea.arg = (char_u *)"";
7257 ex_splitview(&ea);
7258 }
7259
7260 /*
7261 * :tabnext command
7262 */
7263 static void
7264 ex_tabnext(eap)
7265 exarg_T *eap;
7266 {
7267 switch (eap->cmdidx)
7268 {
7269 case CMD_tabfirst:
7270 case CMD_tabrewind:
7271 goto_tabpage(1);
7272 break;
7273 case CMD_tablast:
7274 goto_tabpage(9999);
7275 break;
7276 case CMD_tabprevious:
7277 case CMD_tabNext:
7278 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7279 break;
7280 default: /* CMD_tabnext */
7281 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7282 break;
7283 }
7284 }
7285
7286 /*
7287 * :tabmove command
7288 */
7289 static void
7290 ex_tabmove(eap)
7291 exarg_T *eap;
7292 {
7293 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7294 }
7295
7296 /*
7297 * :tabs command: List tabs and their contents.
7298 */
7299 /*ARGSUSED*/
7300 static void
7301 ex_tabs(eap)
7302 exarg_T *eap;
7303 {
7304 tabpage_T *tp;
7305 win_T *wp;
7306 int tabcount = 1;
7307
7308 msg_start();
7309 msg_scroll = TRUE;
7310 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7311 {
7312 msg_putchar('\n');
7313 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7314 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7315 out_flush(); /* output one line at a time */
7316 ui_breakcheck();
7317
7318 if (tp == curtab)
7319 wp = firstwin;
7320 else
7321 wp = tp->tp_firstwin;
7322 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7323 {
7324 msg_putchar('\n');
7325 msg_putchar(wp == curwin ? '>' : ' ');
7326 msg_putchar(' ');
7327 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7328 msg_putchar(' ');
7329 if (buf_spname(wp->w_buffer) != NULL)
7330 STRCPY(IObuff, buf_spname(wp->w_buffer));
7331 else
7332 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7333 IObuff, IOSIZE, TRUE);
7334 msg_outtrans(IObuff);
7335 out_flush(); /* output one line at a time */
7336 ui_breakcheck();
7337 }
7338 }
7339 }
7340
7341 #endif /* FEAT_WINDOWS */
7342
7343 /*
7344 * ":mode": Set screen mode.
7345 * If no argument given, just get the screen size and redraw.
7346 */
7347 static void
7348 ex_mode(eap)
7349 exarg_T *eap;
7350 {
7351 if (*eap->arg == NUL)
7352 shell_resized();
7353 else
7354 mch_screenmode(eap->arg);
7355 }
7356
7357 #ifdef FEAT_WINDOWS
7358 /*
7359 * ":resize".
7360 * set, increment or decrement current window height
7361 */
7362 static void
7363 ex_resize(eap)
7364 exarg_T *eap;
7365 {
7366 int n;
7367 win_T *wp = curwin;
7368
7369 if (eap->addr_count > 0)
7370 {
7371 n = eap->line2;
7372 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7373 ;
7374 }
7375
7376 #ifdef FEAT_GUI
7377 need_mouse_correct = TRUE;
7378 #endif
7379 n = atol((char *)eap->arg);
7380 #ifdef FEAT_VERTSPLIT
7381 if (cmdmod.split & WSP_VERT)
7382 {
7383 if (*eap->arg == '-' || *eap->arg == '+')
7384 n += W_WIDTH(curwin);
7385 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7386 n = 9999;
7387 win_setwidth_win((int)n, wp);
7388 }
7389 else
7390 #endif
7391 {
7392 if (*eap->arg == '-' || *eap->arg == '+')
7393 n += curwin->w_height;
7394 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7395 n = 9999;
7396 win_setheight_win((int)n, wp);
7397 }
7398 }
7399 #endif
7400
7401 /*
7402 * ":find [+command] <file>" command.
7403 */
7404 static void
7405 ex_find(eap)
7406 exarg_T *eap;
7407 {
7408 #ifdef FEAT_SEARCHPATH
7409 char_u *fname;
7410 int count;
7411
7412 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7413 TRUE, curbuf->b_ffname);
7414 if (eap->addr_count > 0)
7415 {
7416 /* Repeat finding the file "count" times. This matters when it
7417 * appears several times in the path. */
7418 count = eap->line2;
7419 while (fname != NULL && --count > 0)
7420 {
7421 vim_free(fname);
7422 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7423 FALSE, curbuf->b_ffname);
7424 }
7425 }
7426
7427 if (fname != NULL)
7428 {
7429 eap->arg = fname;
7430 #endif
7431 do_exedit(eap, NULL);
7432 #ifdef FEAT_SEARCHPATH
7433 vim_free(fname);
7434 }
7435 #endif
7436 }
7437
7438 /*
7439 * ":open" simulation: for now just work like ":visual".
7440 */
7441 static void
7442 ex_open(eap)
7443 exarg_T *eap;
7444 {
7445 regmatch_T regmatch;
7446 char_u *p;
7447
7448 curwin->w_cursor.lnum = eap->line2;
7449 beginline(BL_SOL | BL_FIX);
7450 if (*eap->arg == '/')
7451 {
7452 /* ":open /pattern/": put cursor in column found with pattern */
7453 ++eap->arg;
7454 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7455 *p = NUL;
7456 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7457 if (regmatch.regprog != NULL)
7458 {
7459 regmatch.rm_ic = p_ic;
7460 p = ml_get_curline();
7461 if (vim_regexec(&regmatch, p, (colnr_T)0))
7462 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7463 else
7464 EMSG(_(e_nomatch));
7465 vim_free(regmatch.regprog);
7466 }
7467 /* Move to the NUL, ignore any other arguments. */
7468 eap->arg += STRLEN(eap->arg);
7469 }
7470 check_cursor();
7471
7472 eap->cmdidx = CMD_visual;
7473 do_exedit(eap, NULL);
7474 }
7475
7476 /*
7477 * ":edit", ":badd", ":visual".
7478 */
7479 static void
7480 ex_edit(eap)
7481 exarg_T *eap;
7482 {
7483 do_exedit(eap, NULL);
7484 }
7485
7486 /*
7487 * ":edit <file>" command and alikes.
7488 */
7489 /*ARGSUSED*/
7490 void
7491 do_exedit(eap, old_curwin)
7492 exarg_T *eap;
7493 win_T *old_curwin; /* curwin before doing a split or NULL */
7494 {
7495 int n;
7496 #ifdef FEAT_WINDOWS
7497 int need_hide;
7498 #endif
7499 int exmode_was = exmode_active;
7500
7501 /*
7502 * ":vi" command ends Ex mode.
7503 */
7504 if (exmode_active && (eap->cmdidx == CMD_visual
7505 || eap->cmdidx == CMD_view))
7506 {
7507 exmode_active = FALSE;
7508 if (*eap->arg == NUL)
7509 {
7510 /* Special case: ":global/pat/visual\NLvi-commands" */
7511 if (global_busy)
7512 {
7513 int rd = RedrawingDisabled;
7514 int nwr = no_wait_return;
7515 int ms = msg_scroll;
7516 #ifdef FEAT_GUI
7517 int he = hold_gui_events;
7518 #endif
7519
7520 if (eap->nextcmd != NULL)
7521 {
7522 stuffReadbuff(eap->nextcmd);
7523 eap->nextcmd = NULL;
7524 }
7525
7526 if (exmode_was != EXMODE_VIM)
7527 settmode(TMODE_RAW);
7528 RedrawingDisabled = 0;
7529 no_wait_return = 0;
7530 need_wait_return = FALSE;
7531 msg_scroll = 0;
7532 #ifdef FEAT_GUI
7533 hold_gui_events = 0;
7534 #endif
7535 must_redraw = CLEAR;
7536
7537 main_loop(FALSE, TRUE);
7538
7539 RedrawingDisabled = rd;
7540 no_wait_return = nwr;
7541 msg_scroll = ms;
7542 #ifdef FEAT_GUI
7543 hold_gui_events = he;
7544 #endif
7545 }
7546 return;
7547 }
7548 }
7549
7550 if ((eap->cmdidx == CMD_new
7551 || eap->cmdidx == CMD_tabnew
7552 || eap->cmdidx == CMD_tabedit
7553 #ifdef FEAT_VERTSPLIT
7554 || eap->cmdidx == CMD_vnew
7555 #endif
7556 ) && *eap->arg == NUL)
7557 {
7558 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7559 setpcmark();
7560 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7561 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7562 old_curwin == NULL ? curwin : NULL);
7563 }
7564 else if ((eap->cmdidx != CMD_split
7565 #ifdef FEAT_VERTSPLIT
7566 && eap->cmdidx != CMD_vsplit
7567 #endif
7568 )
7569 || *eap->arg != NUL
7570 #ifdef FEAT_BROWSE
7571 || cmdmod.browse
7572 #endif
7573 )
7574 {
7575 #ifdef FEAT_AUTOCMD
7576 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7577 * can bring us here, others are stopped earlier. */
7578 if (*eap->arg != NUL && curbuf_locked())
7579 return;
7580 #endif
7581 n = readonlymode;
7582 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7583 readonlymode = TRUE;
7584 else if (eap->cmdidx == CMD_enew)
7585 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7586 empty buffer */
7587 setpcmark();
7588 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7589 NULL, eap,
7590 /* ":edit" goes to first line if Vi compatible */
7591 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7592 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7593 ? ECMD_ONE : eap->do_ecmd_lnum,
7594 (P_HID(curbuf) ? ECMD_HIDE : 0)
7595 + (eap->forceit ? ECMD_FORCEIT : 0)
7596 #ifdef FEAT_LISTCMDS
7597 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7598 #endif
7599 , old_curwin == NULL ? curwin : NULL) == FAIL)
7600 {
7601 /* Editing the file failed. If the window was split, close it. */
7602 #ifdef FEAT_WINDOWS
7603 if (old_curwin != NULL)
7604 {
7605 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7606 if (!need_hide || P_HID(curbuf))
7607 {
7608 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7609 cleanup_T cs;
7610
7611 /* Reset the error/interrupt/exception state here so that
7612 * aborting() returns FALSE when closing a window. */
7613 enter_cleanup(&cs);
7614 # endif
7615 # ifdef FEAT_GUI
7616 need_mouse_correct = TRUE;
7617 # endif
7618 win_close(curwin, !need_hide && !P_HID(curbuf));
7619
7620 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7621 /* Restore the error/interrupt/exception state if not
7622 * discarded by a new aborting error, interrupt, or
7623 * uncaught exception. */
7624 leave_cleanup(&cs);
7625 # endif
7626 }
7627 }
7628 #endif
7629 }
7630 else if (readonlymode && curbuf->b_nwindows == 1)
7631 {
7632 /* When editing an already visited buffer, 'readonly' won't be set
7633 * but the previous value is kept. With ":view" and ":sview" we
7634 * want the file to be readonly, except when another window is
7635 * editing the same buffer. */
7636 curbuf->b_p_ro = TRUE;
7637 }
7638 readonlymode = n;
7639 }
7640 else
7641 {
7642 if (eap->do_ecmd_cmd != NULL)
7643 do_cmdline_cmd(eap->do_ecmd_cmd);
7644 #ifdef FEAT_TITLE
7645 n = curwin->w_arg_idx_invalid;
7646 #endif
7647 check_arg_idx(curwin);
7648 #ifdef FEAT_TITLE
7649 if (n != curwin->w_arg_idx_invalid)
7650 maketitle();
7651 #endif
7652 }
7653
7654 #ifdef FEAT_WINDOWS
7655 /*
7656 * if ":split file" worked, set alternate file name in old window to new
7657 * file
7658 */
7659 if (old_curwin != NULL
7660 && *eap->arg != NUL
7661 && curwin != old_curwin
7662 && win_valid(old_curwin)
7663 && old_curwin->w_buffer != curbuf
7664 && !cmdmod.keepalt)
7665 old_curwin->w_alt_fnum = curbuf->b_fnum;
7666 #endif
7667
7668 ex_no_reprint = TRUE;
7669 }
7670
7671 #ifndef FEAT_GUI
7672 /*
7673 * ":gui" and ":gvim" when there is no GUI.
7674 */
7675 static void
7676 ex_nogui(eap)
7677 exarg_T *eap;
7678 {
7679 eap->errmsg = e_nogvim;
7680 }
7681 #endif
7682
7683 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7684 static void
7685 ex_tearoff(eap)
7686 exarg_T *eap;
7687 {
7688 gui_make_tearoff(eap->arg);
7689 }
7690 #endif
7691
7692 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7693 || defined(FEAT_GUI_MACVIM))
7694 static void
7695 ex_popup(eap)
7696 exarg_T *eap;
7697 {
7698 gui_make_popup(eap->arg, eap->forceit);
7699 }
7700 #endif
7701
7702 /*ARGSUSED*/
7703 static void
7704 ex_swapname(eap)
7705 exarg_T *eap;
7706 {
7707 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7708 MSG(_("No swap file"));
7709 else
7710 msg(curbuf->b_ml.ml_mfp->mf_fname);
7711 }
7712
7713 /*
7714 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7715 * offset.
7716 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7717 */
7718 /*ARGSUSED*/
7719 static void
7720 ex_syncbind(eap)
7721 exarg_T *eap;
7722 {
7723 #ifdef FEAT_SCROLLBIND
7724 win_T *wp;
7725 long topline;
7726 long y;
7727 linenr_T old_linenr = curwin->w_cursor.lnum;
7728
7729 setpcmark();
7730
7731 /*
7732 * determine max topline
7733 */
7734 if (curwin->w_p_scb)
7735 {
7736 topline = curwin->w_topline;
7737 for (wp = firstwin; wp; wp = wp->w_next)
7738 {
7739 if (wp->w_p_scb && wp->w_buffer)
7740 {
7741 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7742 if (topline > y)
7743 topline = y;
7744 }
7745 }
7746 if (topline < 1)
7747 topline = 1;
7748 }
7749 else
7750 {
7751 topline = 1;
7752 }
7753
7754
7755 /*
7756 * set all scrollbind windows to the same topline
7757 */
7758 wp = curwin;
7759 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7760 {
7761 if (curwin->w_p_scb)
7762 {
7763 y = topline - curwin->w_topline;
7764 if (y > 0)
7765 scrollup(y, TRUE);
7766 else
7767 scrolldown(-y, TRUE);
7768 curwin->w_scbind_pos = topline;
7769 redraw_later(VALID);
7770 cursor_correct();
7771 #ifdef FEAT_WINDOWS
7772 curwin->w_redr_status = TRUE;
7773 #endif
7774 }
7775 }
7776 curwin = wp;
7777 if (curwin->w_p_scb)
7778 {
7779 did_syncbind = TRUE;
7780 checkpcmark();
7781 if (old_linenr != curwin->w_cursor.lnum)
7782 {
7783 char_u ctrl_o[2];
7784
7785 ctrl_o[0] = Ctrl_O;
7786 ctrl_o[1] = 0;
7787 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7788 }
7789 }
7790 #endif
7791 }
7792
7793
7794 static void
7795 ex_read(eap)
7796 exarg_T *eap;
7797 {
7798 int i;
7799 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7800 linenr_T lnum;
7801
7802 if (eap->usefilter) /* :r!cmd */
7803 do_bang(1, eap, FALSE, FALSE, TRUE);
7804 else
7805 {
7806 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7807 return;
7808
7809 #ifdef FEAT_BROWSE
7810 if (cmdmod.browse)
7811 {
7812 char_u *browseFile;
7813
7814 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7815 NULL, NULL, NULL, curbuf);
7816 if (browseFile != NULL)
7817 {
7818 i = readfile(browseFile, NULL,
7819 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7820 vim_free(browseFile);
7821 }
7822 else
7823 i = OK;
7824 }
7825 else
7826 #endif
7827 if (*eap->arg == NUL)
7828 {
7829 if (check_fname() == FAIL) /* check for no file name */
7830 return;
7831 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7832 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7833 }
7834 else
7835 {
7836 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7837 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7838 i = readfile(eap->arg, NULL,
7839 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7840
7841 }
7842 if (i == FAIL)
7843 {
7844 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7845 if (!aborting())
7846 #endif
7847 EMSG2(_(e_notopen), eap->arg);
7848 }
7849 else
7850 {
7851 if (empty && exmode_active)
7852 {
7853 /* Delete the empty line that remains. Historically ex does
7854 * this but vi doesn't. */
7855 if (eap->line2 == 0)
7856 lnum = curbuf->b_ml.ml_line_count;
7857 else
7858 lnum = 1;
7859 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7860 {
7861 ml_delete(lnum, FALSE);
7862 deleted_lines_mark(lnum, 1L);
7863 if (curwin->w_cursor.lnum > 1
7864 && curwin->w_cursor.lnum >= lnum)
7865 --curwin->w_cursor.lnum;
7866 }
7867 }
7868 redraw_curbuf_later(VALID);
7869 }
7870 }
7871 }
7872
7873 static char_u *prev_dir = NULL;
7874
7875 #if defined(EXITFREE) || defined(PROTO)
7876 void
7877 free_cd_dir()
7878 {
7879 vim_free(prev_dir);
7880 prev_dir = NULL;
7881
7882 vim_free(globaldir);
7883 globaldir = NULL;
7884 }
7885 #endif
7886
7887
7888 /*
7889 * ":cd", ":lcd", ":chdir" and ":lchdir".
7890 */
7891 void
7892 ex_cd(eap)
7893 exarg_T *eap;
7894 {
7895 char_u *new_dir;
7896 char_u *tofree;
7897
7898 new_dir = eap->arg;
7899 #if !defined(UNIX) && !defined(VMS)
7900 /* for non-UNIX ":cd" means: print current directory */
7901 if (*new_dir == NUL)
7902 ex_pwd(NULL);
7903 else
7904 #endif
7905 {
7906 #ifdef FEAT_AUTOCMD
7907 if (allbuf_locked())
7908 return;
7909 #endif
7910 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7911 && !eap->forceit)
7912 {
7913 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7914 return;
7915 }
7916
7917 /* ":cd -": Change to previous directory */
7918 if (STRCMP(new_dir, "-") == 0)
7919 {
7920 if (prev_dir == NULL)
7921 {
7922 EMSG(_("E186: No previous directory"));
7923 return;
7924 }
7925 new_dir = prev_dir;
7926 }
7927
7928 /* Save current directory for next ":cd -" */
7929 tofree = prev_dir;
7930 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7931 prev_dir = vim_strsave(NameBuff);
7932 else
7933 prev_dir = NULL;
7934
7935 #if defined(UNIX) || defined(VMS)
7936 /* for UNIX ":cd" means: go to home directory */
7937 if (*new_dir == NUL)
7938 {
7939 /* use NameBuff for home directory name */
7940 # ifdef VMS
7941 char_u *p;
7942
7943 p = mch_getenv((char_u *)"SYS$LOGIN");
7944 if (p == NULL || *p == NUL) /* empty is the same as not set */
7945 NameBuff[0] = NUL;
7946 else
7947 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7948 # else
7949 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7950 # endif
7951 new_dir = NameBuff;
7952 }
7953 #endif
7954 if (new_dir == NULL || vim_chdir(new_dir))
7955 EMSG(_(e_failed));
7956 else
7957 {
7958 vim_free(curwin->w_localdir);
7959 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7960 {
7961 /* If still in global directory, need to remember current
7962 * directory as global directory. */
7963 if (globaldir == NULL && prev_dir != NULL)
7964 globaldir = vim_strsave(prev_dir);
7965 /* Remember this local directory for the window. */
7966 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7967 curwin->w_localdir = vim_strsave(NameBuff);
7968 }
7969 else
7970 {
7971 /* We are now in the global directory, no need to remember its
7972 * name. */
7973 vim_free(globaldir);
7974 globaldir = NULL;
7975 curwin->w_localdir = NULL;
7976 }
7977
7978 shorten_fnames(TRUE);
7979
7980 /* Echo the new current directory if the command was typed. */
7981 if (KeyTyped)
7982 ex_pwd(eap);
7983 }
7984 vim_free(tofree);
7985 }
7986 }
7987
7988 /*
7989 * ":pwd".
7990 */
7991 /*ARGSUSED*/
7992 static void
7993 ex_pwd(eap)
7994 exarg_T *eap;
7995 {
7996 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7997 {
7998 #ifdef BACKSLASH_IN_FILENAME
7999 slash_adjust(NameBuff);
8000 #endif
8001 msg(NameBuff);
8002 }
8003 else
8004 EMSG(_("E187: Unknown"));
8005 }
8006
8007 /*
8008 * ":=".
8009 */
8010 static void
8011 ex_equal(eap)
8012 exarg_T *eap;
8013 {
8014 smsg((char_u *)"%ld", (long)eap->line2);
8015 ex_may_print(eap);
8016 }
8017
8018 static void
8019 ex_sleep(eap)
8020 exarg_T *eap;
8021 {
8022 int n;
8023 long len;
8024
8025 if (cursor_valid())
8026 {
8027 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8028 if (n >= 0)
8029 windgoto((int)n, curwin->w_wcol);
8030 }
8031
8032 len = eap->line2;
8033 switch (*eap->arg)
8034 {
8035 case 'm': break;
8036 case NUL: len *= 1000L; break;
8037 default: EMSG2(_(e_invarg2), eap->arg); return;
8038 }
8039 do_sleep(len);
8040 }
8041
8042 /*
8043 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8044 */
8045 void
8046 do_sleep(msec)
8047 long msec;
8048 {
8049 long done;
8050
8051 cursor_on();
8052 out_flush();
8053 for (done = 0; !got_int && done < msec; done += 1000L)
8054 {
8055 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8056 ui_breakcheck();
8057 }
8058 }
8059
8060 static void
8061 do_exmap(eap, isabbrev)
8062 exarg_T *eap;
8063 int isabbrev;
8064 {
8065 int mode;
8066 char_u *cmdp;
8067
8068 cmdp = eap->cmd;
8069 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8070
8071 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8072 eap->arg, mode, isabbrev))
8073 {
8074 case 1: EMSG(_(e_invarg));
8075 break;
8076 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8077 break;
8078 }
8079 }
8080
8081 /*
8082 * ":winsize" command (obsolete).
8083 */
8084 static void
8085 ex_winsize(eap)
8086 exarg_T *eap;
8087 {
8088 int w, h;
8089 char_u *arg = eap->arg;
8090 char_u *p;
8091
8092 w = getdigits(&arg);
8093 arg = skipwhite(arg);
8094 p = arg;
8095 h = getdigits(&arg);
8096 if (*p != NUL && *arg == NUL)
8097 set_shellsize(w, h, TRUE);
8098 else
8099 EMSG(_("E465: :winsize requires two number arguments"));
8100 }
8101
8102 #ifdef FEAT_WINDOWS
8103 static void
8104 ex_wincmd(eap)
8105 exarg_T *eap;
8106 {
8107 int xchar = NUL;
8108 char_u *p;
8109
8110 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8111 {
8112 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8113 if (eap->arg[1] == NUL)
8114 {
8115 EMSG(_(e_invarg));
8116 return;
8117 }
8118 xchar = eap->arg[1];
8119 p = eap->arg + 2;
8120 }
8121 else
8122 p = eap->arg + 1;
8123
8124 eap->nextcmd = check_nextcmd(p);
8125 p = skipwhite(p);
8126 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8127 EMSG(_(e_invarg));
8128 else
8129 {
8130 /* Pass flags on for ":vertical wincmd ]". */
8131 postponed_split_flags = cmdmod.split;
8132 postponed_split_tab = cmdmod.tab;
8133 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8134 postponed_split_flags = 0;
8135 postponed_split_tab = 0;
8136 }
8137 }
8138 #endif
8139
8140 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8141 /*
8142 * ":winpos".
8143 */
8144 static void
8145 ex_winpos(eap)
8146 exarg_T *eap;
8147 {
8148 int x, y;
8149 char_u *arg = eap->arg;
8150 char_u *p;
8151
8152 if (*arg == NUL)
8153 {
8154 # if defined(FEAT_GUI) || defined(MSWIN)
8155 # ifdef FEAT_GUI
8156 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8157 # else
8158 if (mch_get_winpos(&x, &y) != FAIL)
8159 # endif
8160 {
8161 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8162 msg(IObuff);
8163 }
8164 else
8165 # endif
8166 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8167 }
8168 else
8169 {
8170 x = getdigits(&arg);
8171 arg = skipwhite(arg);
8172 p = arg;
8173 y = getdigits(&arg);
8174 if (*p == NUL || *arg != NUL)
8175 {
8176 EMSG(_("E466: :winpos requires two number arguments"));
8177 return;
8178 }
8179 # ifdef FEAT_GUI
8180 if (gui.in_use)
8181 gui_mch_set_winpos(x, y);
8182 else if (gui.starting)
8183 {
8184 /* Remember the coordinates for when the window is opened. */
8185 gui_win_x = x;
8186 gui_win_y = y;
8187 }
8188 # ifdef HAVE_TGETENT
8189 else
8190 # endif
8191 # else
8192 # ifdef MSWIN
8193 mch_set_winpos(x, y);
8194 # endif
8195 # endif
8196 # ifdef HAVE_TGETENT
8197 if (*T_CWP)
8198 term_set_winpos(x, y);
8199 # endif
8200 }
8201 }
8202 #endif
8203
8204 /*
8205 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8206 */
8207 static void
8208 ex_operators(eap)
8209 exarg_T *eap;
8210 {
8211 oparg_T oa;
8212
8213 clear_oparg(&oa);
8214 oa.regname = eap->regname;
8215 oa.start.lnum = eap->line1;
8216 oa.end.lnum = eap->line2;
8217 oa.line_count = eap->line2 - eap->line1 + 1;
8218 oa.motion_type = MLINE;
8219 #ifdef FEAT_VIRTUALEDIT
8220 virtual_op = FALSE;
8221 #endif
8222 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8223 {
8224 setpcmark();
8225 curwin->w_cursor.lnum = eap->line1;
8226 beginline(BL_SOL | BL_FIX);
8227 }
8228
8229 switch (eap->cmdidx)
8230 {
8231 case CMD_delete:
8232 oa.op_type = OP_DELETE;
8233 op_delete(&oa);
8234 break;
8235
8236 case CMD_yank:
8237 oa.op_type = OP_YANK;
8238 (void)op_yank(&oa, FALSE, TRUE);
8239 break;
8240
8241 default: /* CMD_rshift or CMD_lshift */
8242 if ((eap->cmdidx == CMD_rshift)
8243 #ifdef FEAT_RIGHTLEFT
8244 ^ curwin->w_p_rl
8245 #endif
8246 )
8247 oa.op_type = OP_RSHIFT;
8248 else
8249 oa.op_type = OP_LSHIFT;
8250 op_shift(&oa, FALSE, eap->amount);
8251 break;
8252 }
8253 #ifdef FEAT_VIRTUALEDIT
8254 virtual_op = MAYBE;
8255 #endif
8256 ex_may_print(eap);
8257 }
8258
8259 /*
8260 * ":put".
8261 */
8262 static void
8263 ex_put(eap)
8264 exarg_T *eap;
8265 {
8266 /* ":0put" works like ":1put!". */
8267 if (eap->line2 == 0)
8268 {
8269 eap->line2 = 1;
8270 eap->forceit = TRUE;
8271 }
8272 curwin->w_cursor.lnum = eap->line2;
8273 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8274 PUT_LINE|PUT_CURSLINE);
8275 }
8276
8277 /*
8278 * Handle ":copy" and ":move".
8279 */
8280 static void
8281 ex_copymove(eap)
8282 exarg_T *eap;
8283 {
8284 long n;
8285
8286 n = get_address(&eap->arg, FALSE, FALSE);
8287 if (eap->arg == NULL) /* error detected */
8288 {
8289 eap->nextcmd = NULL;
8290 return;
8291 }
8292 get_flags(eap);
8293
8294 /*
8295 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8296 */
8297 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8298 {
8299 EMSG(_(e_invaddr));
8300 return;
8301 }
8302
8303 if (eap->cmdidx == CMD_move)
8304 {
8305 if (do_move(eap->line1, eap->line2, n) == FAIL)
8306 return;
8307 }
8308 else
8309 ex_copy(eap->line1, eap->line2, n);
8310 u_clearline();
8311 beginline(BL_SOL | BL_FIX);
8312 ex_may_print(eap);
8313 }
8314
8315 /*
8316 * Print the current line if flags were given to the Ex command.
8317 */
8318 static void
8319 ex_may_print(eap)
8320 exarg_T *eap;
8321 {
8322 if (eap->flags != 0)
8323 {
8324 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8325 (eap->flags & EXFLAG_LIST));
8326 ex_no_reprint = TRUE;
8327 }
8328 }
8329
8330 /*
8331 * ":smagic" and ":snomagic".
8332 */
8333 static void
8334 ex_submagic(eap)
8335 exarg_T *eap;
8336 {
8337 int magic_save = p_magic;
8338
8339 p_magic = (eap->cmdidx == CMD_smagic);
8340 do_sub(eap);
8341 p_magic = magic_save;
8342 }
8343
8344 /*
8345 * ":join".
8346 */
8347 static void
8348 ex_join(eap)
8349 exarg_T *eap;
8350 {
8351 curwin->w_cursor.lnum = eap->line1;
8352 if (eap->line1 == eap->line2)
8353 {
8354 if (eap->addr_count >= 2) /* :2,2join does nothing */
8355 return;
8356 if (eap->line2 == curbuf->b_ml.ml_line_count)
8357 {
8358 beep_flush();
8359 return;
8360 }
8361 ++eap->line2;
8362 }
8363 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8364 beginline(BL_WHITE | BL_FIX);
8365 ex_may_print(eap);
8366 }
8367
8368 /*
8369 * ":[addr]@r" or ":[addr]*r": execute register
8370 */
8371 static void
8372 ex_at(eap)
8373 exarg_T *eap;
8374 {
8375 int c;
8376
8377 curwin->w_cursor.lnum = eap->line2;
8378
8379 #ifdef USE_ON_FLY_SCROLL
8380 dont_scroll = TRUE; /* disallow scrolling here */
8381 #endif
8382
8383 /* get the register name. No name means to use the previous one */
8384 c = *eap->arg;
8385 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8386 c = '@';
8387 /* Put the register in the typeahead buffer with the "silent" flag. */
8388 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8389 == FAIL)
8390 {
8391 beep_flush();
8392 }
8393 else
8394 {
8395 int save_efr = exec_from_reg;
8396
8397 exec_from_reg = TRUE;
8398
8399 /*
8400 * Execute from the typeahead buffer.
8401 * Originally this didn't check for the typeahead buffer to be empty,
8402 * thus could read more Ex commands from stdin. It's not clear why,
8403 * it is certainly unexpected.
8404 */
8405 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8406 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8407
8408 exec_from_reg = save_efr;
8409 }
8410 }
8411
8412 /*
8413 * ":!".
8414 */
8415 static void
8416 ex_bang(eap)
8417 exarg_T *eap;
8418 {
8419 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8420 }
8421
8422 /*
8423 * ":undo".
8424 */
8425 /*ARGSUSED*/
8426 static void
8427 ex_undo(eap)
8428 exarg_T *eap;
8429 {
8430 if (eap->addr_count == 1) /* :undo 123 */
8431 undo_time(eap->line2, FALSE, TRUE);
8432 else
8433 u_undo(1);
8434 }
8435
8436 /*
8437 * ":redo".
8438 */
8439 /*ARGSUSED*/
8440 static void
8441 ex_redo(eap)
8442 exarg_T *eap;
8443 {
8444 u_redo(1);
8445 }
8446
8447 /*
8448 * ":earlier" and ":later".
8449 */
8450 /*ARGSUSED*/
8451 static void
8452 ex_later(eap)
8453 exarg_T *eap;
8454 {
8455 long count = 0;
8456 int sec = FALSE;
8457 char_u *p = eap->arg;
8458
8459 if (*p == NUL)
8460 count = 1;
8461 else if (isdigit(*p))
8462 {
8463 count = getdigits(&p);
8464 switch (*p)
8465 {
8466 case 's': ++p; sec = TRUE; break;
8467 case 'm': ++p; sec = TRUE; count *= 60; break;
8468 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8469 }
8470 }
8471
8472 if (*p != NUL)
8473 EMSG2(_(e_invarg2), eap->arg);
8474 else
8475 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8476 }
8477
8478 /*
8479 * ":redir": start/stop redirection.
8480 */
8481 static void
8482 ex_redir(eap)
8483 exarg_T *eap;
8484 {
8485 char *mode;
8486 char_u *fname;
8487 char_u *arg = eap->arg;
8488
8489 if (STRICMP(eap->arg, "END") == 0)
8490 close_redir();
8491 else
8492 {
8493 if (*arg == '>')
8494 {
8495 ++arg;
8496 if (*arg == '>')
8497 {
8498 ++arg;
8499 mode = "a";
8500 }
8501 else
8502 mode = "w";
8503 arg = skipwhite(arg);
8504
8505 close_redir();
8506
8507 /* Expand environment variables and "~/". */
8508 fname = expand_env_save(arg);
8509 if (fname == NULL)
8510 return;
8511 #ifdef FEAT_BROWSE
8512 if (cmdmod.browse)
8513 {
8514 char_u *browseFile;
8515
8516 browseFile = do_browse(BROWSE_SAVE,
8517 (char_u *)_("Save Redirection"),
8518 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8519 if (browseFile == NULL)
8520 return; /* operation cancelled */
8521 vim_free(fname);
8522 fname = browseFile;
8523 eap->forceit = TRUE; /* since dialog already asked */
8524 }
8525 #endif
8526
8527 redir_fd = open_exfile(fname, eap->forceit, mode);
8528 vim_free(fname);
8529 }
8530 #ifdef FEAT_EVAL
8531 else if (*arg == '@')
8532 {
8533 /* redirect to a register a-z (resp. A-Z for appending) */
8534 close_redir();
8535 ++arg;
8536 if (ASCII_ISALPHA(*arg)
8537 # ifdef FEAT_CLIPBOARD
8538 || *arg == '*'
8539 || *arg == '+'
8540 # endif
8541 || *arg == '"')
8542 {
8543 redir_reg = *arg++;
8544 if (*arg == '>' && arg[1] == '>') /* append */
8545 arg += 2;
8546 else
8547 {
8548 /* Can use both "@a" and "@a>". */
8549 if (*arg == '>')
8550 arg++;
8551 /* Make register empty when not using @A-@Z and the
8552 * command is valid. */
8553 if (*arg == NUL && !isupper(redir_reg))
8554 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8555 }
8556 }
8557 if (*arg != NUL)
8558 {
8559 redir_reg = 0;
8560 EMSG2(_(e_invarg2), eap->arg);
8561 }
8562 }
8563 else if (*arg == '=' && arg[1] == '>')
8564 {
8565 int append;
8566
8567 /* redirect to a variable */
8568 close_redir();
8569 arg += 2;
8570
8571 if (*arg == '>')
8572 {
8573 ++arg;
8574 append = TRUE;
8575 }
8576 else
8577 append = FALSE;
8578
8579 if (var_redir_start(skipwhite(arg), append) == OK)
8580 redir_vname = 1;
8581 }
8582 #endif
8583
8584 /* TODO: redirect to a buffer */
8585
8586 else
8587 EMSG2(_(e_invarg2), eap->arg);
8588 }
8589
8590 /* Make sure redirection is not off. Can happen for cmdline completion
8591 * that indirectly invokes a command to catch its output. */
8592 if (redir_fd != NULL
8593 #ifdef FEAT_EVAL
8594 || redir_reg || redir_vname
8595 #endif
8596 )
8597 redir_off = FALSE;
8598 }
8599
8600 /*
8601 * ":redraw": force redraw
8602 */
8603 static void
8604 ex_redraw(eap)
8605 exarg_T *eap;
8606 {
8607 int r = RedrawingDisabled;
8608 int p = p_lz;
8609
8610 RedrawingDisabled = 0;
8611 p_lz = FALSE;
8612 update_topline();
8613 update_screen(eap->forceit ? CLEAR :
8614 #ifdef FEAT_VISUAL
8615 VIsual_active ? INVERTED :
8616 #endif
8617 0);
8618 #ifdef FEAT_TITLE
8619 if (need_maketitle)
8620 maketitle();
8621 #endif
8622 RedrawingDisabled = r;
8623 p_lz = p;
8624
8625 /* Reset msg_didout, so that a message that's there is overwritten. */
8626 msg_didout = FALSE;
8627 msg_col = 0;
8628
8629 out_flush();
8630 }
8631
8632 /*
8633 * ":redrawstatus": force redraw of status line(s)
8634 */
8635 /*ARGSUSED*/
8636 static void
8637 ex_redrawstatus(eap)
8638 exarg_T *eap;
8639 {
8640 #if defined(FEAT_WINDOWS)
8641 int r = RedrawingDisabled;
8642 int p = p_lz;
8643
8644 RedrawingDisabled = 0;
8645 p_lz = FALSE;
8646 if (eap->forceit)
8647 status_redraw_all();
8648 else
8649 status_redraw_curbuf();
8650 update_screen(
8651 # ifdef FEAT_VISUAL
8652 VIsual_active ? INVERTED :
8653 # endif
8654 0);
8655 RedrawingDisabled = r;
8656 p_lz = p;
8657 out_flush();
8658 #endif
8659 }
8660
8661 static void
8662 close_redir()
8663 {
8664 if (redir_fd != NULL)
8665 {
8666 fclose(redir_fd);
8667 redir_fd = NULL;
8668 }
8669 #ifdef FEAT_EVAL
8670 redir_reg = 0;
8671 if (redir_vname)
8672 {
8673 var_redir_stop();
8674 redir_vname = 0;
8675 }
8676 #endif
8677 }
8678
8679 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8680 # define MKSESSION_NL
8681 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8682 #endif
8683
8684 /*
8685 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8686 */
8687 static void
8688 ex_mkrc(eap)
8689 exarg_T *eap;
8690 {
8691 FILE *fd;
8692 int failed = FALSE;
8693 char_u *fname;
8694 #ifdef FEAT_BROWSE
8695 char_u *browseFile = NULL;
8696 #endif
8697 #ifdef FEAT_SESSION
8698 int view_session = FALSE;
8699 int using_vdir = FALSE; /* using 'viewdir'? */
8700 char_u *viewFile = NULL;
8701 unsigned *flagp;
8702 #endif
8703
8704 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8705 {
8706 #ifdef FEAT_SESSION
8707 view_session = TRUE;
8708 #else
8709 ex_ni(eap);
8710 return;
8711 #endif
8712 }
8713
8714 #ifdef FEAT_SESSION
8715 did_lcd = FALSE;
8716
8717 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8718 if (eap->cmdidx == CMD_mkview
8719 && (*eap->arg == NUL
8720 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8721 {
8722 eap->forceit = TRUE;
8723 fname = get_view_file(*eap->arg);
8724 if (fname == NULL)
8725 return;
8726 viewFile = fname;
8727 using_vdir = TRUE;
8728 }
8729 else
8730 #endif
8731 if (*eap->arg != NUL)
8732 fname = eap->arg;
8733 else if (eap->cmdidx == CMD_mkvimrc)
8734 fname = (char_u *)VIMRC_FILE;
8735 #ifdef FEAT_SESSION
8736 else if (eap->cmdidx == CMD_mksession)
8737 fname = (char_u *)SESSION_FILE;
8738 #endif
8739 else
8740 fname = (char_u *)EXRC_FILE;
8741
8742 #ifdef FEAT_BROWSE
8743 if (cmdmod.browse)
8744 {
8745 browseFile = do_browse(BROWSE_SAVE,
8746 # ifdef FEAT_SESSION
8747 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8748 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8749 # endif
8750 (char_u *)_("Save Setup"),
8751 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8752 if (browseFile == NULL)
8753 goto theend;
8754 fname = browseFile;
8755 eap->forceit = TRUE; /* since dialog already asked */
8756 }
8757 #endif
8758
8759 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8760 /* When using 'viewdir' may have to create the directory. */
8761 if (using_vdir && !mch_isdir(p_vdir))
8762 vim_mkdir_emsg(p_vdir, 0755);
8763 #endif
8764
8765 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8766 if (fd != NULL)
8767 {
8768 #ifdef FEAT_SESSION
8769 if (eap->cmdidx == CMD_mkview)
8770 flagp = &vop_flags;
8771 else
8772 flagp = &ssop_flags;
8773 #endif
8774
8775 #ifdef MKSESSION_NL
8776 /* "unix" in 'sessionoptions': use NL line separator */
8777 if (view_session && (*flagp & SSOP_UNIX))
8778 mksession_nl = TRUE;
8779 #endif
8780
8781 /* Write the version command for :mkvimrc */
8782 if (eap->cmdidx == CMD_mkvimrc)
8783 (void)put_line(fd, "version 6.0");
8784
8785 #ifdef FEAT_SESSION
8786 if (eap->cmdidx == CMD_mksession)
8787 {
8788 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8789 failed = TRUE;
8790 }
8791
8792 if (eap->cmdidx != CMD_mkview)
8793 #endif
8794 {
8795 /* Write setting 'compatible' first, because it has side effects.
8796 * For that same reason only do it when needed. */
8797 if (p_cp)
8798 (void)put_line(fd, "if !&cp | set cp | endif");
8799 else
8800 (void)put_line(fd, "if &cp | set nocp | endif");
8801 }
8802
8803 #ifdef FEAT_SESSION
8804 if (!view_session
8805 || (eap->cmdidx == CMD_mksession
8806 && (*flagp & SSOP_OPTIONS)))
8807 #endif
8808 failed |= (makemap(fd, NULL) == FAIL
8809 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8810
8811 #ifdef FEAT_SESSION
8812 if (!failed && view_session)
8813 {
8814 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8815 failed = TRUE;
8816 if (eap->cmdidx == CMD_mksession)
8817 {
8818 char_u dirnow[MAXPATHL]; /* current directory */
8819
8820 /*
8821 * Change to session file's dir.
8822 */
8823 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8824 || mch_chdir((char *)dirnow) != 0)
8825 *dirnow = NUL;
8826 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8827 {
8828 if (vim_chdirfile(fname) == OK)
8829 shorten_fnames(TRUE);
8830 }
8831 else if (*dirnow != NUL
8832 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8833 {
8834 if (mch_chdir((char *)globaldir) == 0)
8835 shorten_fnames(TRUE);
8836 }
8837
8838 failed |= (makeopens(fd, dirnow) == FAIL);
8839
8840 /* restore original dir */
8841 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8842 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8843 {
8844 if (mch_chdir((char *)dirnow) != 0)
8845 EMSG(_(e_prev_dir));
8846 shorten_fnames(TRUE);
8847 }
8848 }
8849 else
8850 {
8851 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8852 -1) == FAIL);
8853 }
8854 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8855 == FAIL)
8856 failed = TRUE;
8857 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8858 failed = TRUE;
8859 if (eap->cmdidx == CMD_mksession)
8860 {
8861 if (put_line(fd, "unlet SessionLoad") == FAIL)
8862 failed = TRUE;
8863 }
8864 }
8865 #endif
8866 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8867 failed = TRUE;
8868
8869 failed |= fclose(fd);
8870
8871 if (failed)
8872 EMSG(_(e_write));
8873 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8874 else if (eap->cmdidx == CMD_mksession)
8875 {
8876 /* successful session write - set this_session var */
8877 char_u tbuf[MAXPATHL];
8878
8879 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8880 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8881 }
8882 #endif
8883 #ifdef MKSESSION_NL
8884 mksession_nl = FALSE;
8885 #endif
8886 }
8887
8888 #ifdef FEAT_BROWSE
8889 theend:
8890 vim_free(browseFile);
8891 #endif
8892 #ifdef FEAT_SESSION
8893 vim_free(viewFile);
8894 #endif
8895 }
8896
8897 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8898 || defined(PROTO)
8899 /*ARGSUSED*/
8900 int
8901 vim_mkdir_emsg(name, prot)
8902 char_u *name;
8903 int prot;
8904 {
8905 if (vim_mkdir(name, prot) != 0)
8906 {
8907 EMSG2(_("E739: Cannot create directory: %s"), name);
8908 return FAIL;
8909 }
8910 return OK;
8911 }
8912 #endif
8913
8914 /*
8915 * Open a file for writing for an Ex command, with some checks.
8916 * Return file descriptor, or NULL on failure.
8917 */
8918 FILE *
8919 open_exfile(fname, forceit, mode)
8920 char_u *fname;
8921 int forceit;
8922 char *mode; /* "w" for create new file or "a" for append */
8923 {
8924 FILE *fd;
8925
8926 #ifdef UNIX
8927 /* with Unix it is possible to open a directory */
8928 if (mch_isdir(fname))
8929 {
8930 EMSG2(_(e_isadir2), fname);
8931 return NULL;
8932 }
8933 #endif
8934 if (!forceit && *mode != 'a' && vim_fexists(fname))
8935 {
8936 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8937 return NULL;
8938 }
8939
8940 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8941 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8942
8943 return fd;
8944 }
8945
8946 /*
8947 * ":mark" and ":k".
8948 */
8949 static void
8950 ex_mark(eap)
8951 exarg_T *eap;
8952 {
8953 pos_T pos;
8954
8955 if (*eap->arg == NUL) /* No argument? */
8956 EMSG(_(e_argreq));
8957 else if (eap->arg[1] != NUL) /* more than one character? */
8958 EMSG(_(e_trailing));
8959 else
8960 {
8961 pos = curwin->w_cursor; /* save curwin->w_cursor */
8962 curwin->w_cursor.lnum = eap->line2;
8963 beginline(BL_WHITE | BL_FIX);
8964 if (setmark(*eap->arg) == FAIL) /* set mark */
8965 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8966 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8967 }
8968 }
8969
8970 /*
8971 * Update w_topline, w_leftcol and the cursor position.
8972 */
8973 void
8974 update_topline_cursor()
8975 {
8976 check_cursor(); /* put cursor on valid line */
8977 update_topline();
8978 if (!curwin->w_p_wrap)
8979 validate_cursor();
8980 update_curswant();
8981 }
8982
8983 #ifdef FEAT_EX_EXTRA
8984 /*
8985 * ":normal[!] {commands}": Execute normal mode commands.
8986 */
8987 static void
8988 ex_normal(eap)
8989 exarg_T *eap;
8990 {
8991 int save_msg_scroll = msg_scroll;
8992 int save_restart_edit = restart_edit;
8993 int save_msg_didout = msg_didout;
8994 int save_State = State;
8995 tasave_T tabuf;
8996 int save_insertmode = p_im;
8997 int save_finish_op = finish_op;
8998 int save_opcount = opcount;
8999 #ifdef FEAT_MBYTE
9000 char_u *arg = NULL;
9001 int l;
9002 char_u *p;
9003 #endif
9004
9005 if (ex_normal_lock > 0)
9006 {
9007 EMSG(_(e_secure));
9008 return;
9009 }
9010 if (ex_normal_busy >= p_mmd)
9011 {
9012 EMSG(_("E192: Recursive use of :normal too deep"));
9013 return;
9014 }
9015 ++ex_normal_busy;
9016
9017 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9018 restart_edit = 0; /* don't go to Insert mode */
9019 p_im = FALSE; /* don't use 'insertmode' */
9020
9021 #ifdef FEAT_MBYTE
9022 /*
9023 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9024 * this for the K_SPECIAL leading byte, otherwise special keys will not
9025 * work.
9026 */
9027 if (has_mbyte)
9028 {
9029 int len = 0;
9030
9031 /* Count the number of characters to be escaped. */
9032 for (p = eap->arg; *p != NUL; ++p)
9033 {
9034 # ifdef FEAT_GUI
9035 if (*p == CSI) /* leadbyte CSI */
9036 len += 2;
9037 # endif
9038 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9039 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9040 # ifdef FEAT_GUI
9041 || *p == CSI
9042 # endif
9043 )
9044 len += 2;
9045 }
9046 if (len > 0)
9047 {
9048 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9049 if (arg != NULL)
9050 {
9051 len = 0;
9052 for (p = eap->arg; *p != NUL; ++p)
9053 {
9054 arg[len++] = *p;
9055 # ifdef FEAT_GUI
9056 if (*p == CSI)
9057 {
9058 arg[len++] = KS_EXTRA;
9059 arg[len++] = (int)KE_CSI;
9060 }
9061 # endif
9062 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9063 {
9064 arg[len++] = *++p;
9065 if (*p == K_SPECIAL)
9066 {
9067 arg[len++] = KS_SPECIAL;
9068 arg[len++] = KE_FILLER;
9069 }
9070 # ifdef FEAT_GUI
9071 else if (*p == CSI)
9072 {
9073 arg[len++] = KS_EXTRA;
9074 arg[len++] = (int)KE_CSI;
9075 }
9076 # endif
9077 }
9078 arg[len] = NUL;
9079 }
9080 }
9081 }
9082 }
9083 #endif
9084
9085 /*
9086 * Save the current typeahead. This is required to allow using ":normal"
9087 * from an event handler and makes sure we don't hang when the argument
9088 * ends with half a command.
9089 */
9090 save_typeahead(&tabuf);
9091 if (tabuf.typebuf_valid)
9092 {
9093 /*
9094 * Repeat the :normal command for each line in the range. When no
9095 * range given, execute it just once, without positioning the cursor
9096 * first.
9097 */
9098 do
9099 {
9100 if (eap->addr_count != 0)
9101 {
9102 curwin->w_cursor.lnum = eap->line1++;
9103 curwin->w_cursor.col = 0;
9104 }
9105
9106 exec_normal_cmd(
9107 #ifdef FEAT_MBYTE
9108 arg != NULL ? arg :
9109 #endif
9110 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9111 }
9112 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9113 }
9114
9115 /* Might not return to the main loop when in an event handler. */
9116 update_topline_cursor();
9117
9118 /* Restore the previous typeahead. */
9119 restore_typeahead(&tabuf);
9120
9121 --ex_normal_busy;
9122 msg_scroll = save_msg_scroll;
9123 restart_edit = save_restart_edit;
9124 p_im = save_insertmode;
9125 finish_op = save_finish_op;
9126 opcount = save_opcount;
9127 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9128
9129 /* Restore the state (needed when called from a function executed for
9130 * 'indentexpr'). */
9131 State = save_State;
9132 #ifdef FEAT_MBYTE
9133 vim_free(arg);
9134 #endif
9135 }
9136
9137 /*
9138 * ":startinsert", ":startreplace" and ":startgreplace"
9139 */
9140 static void
9141 ex_startinsert(eap)
9142 exarg_T *eap;
9143 {
9144 if (eap->forceit)
9145 {
9146 coladvance((colnr_T)MAXCOL);
9147 curwin->w_curswant = MAXCOL;
9148 curwin->w_set_curswant = FALSE;
9149 }
9150
9151 /* Ignore the command when already in Insert mode. Inserting an
9152 * expression register that invokes a function can do this. */
9153 if (State & INSERT)
9154 return;
9155
9156 if (eap->cmdidx == CMD_startinsert)
9157 restart_edit = 'a';
9158 else if (eap->cmdidx == CMD_startreplace)
9159 restart_edit = 'R';
9160 else
9161 restart_edit = 'V';
9162
9163 if (!eap->forceit)
9164 {
9165 if (eap->cmdidx == CMD_startinsert)
9166 restart_edit = 'i';
9167 curwin->w_curswant = 0; /* avoid MAXCOL */
9168 }
9169 }
9170
9171 /*
9172 * ":stopinsert"
9173 */
9174 /*ARGSUSED*/
9175 static void
9176 ex_stopinsert(eap)
9177 exarg_T *eap;
9178 {
9179 restart_edit = 0;
9180 stop_insert_mode = TRUE;
9181 }
9182 #endif
9183
9184 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9185 /*
9186 * Execute normal mode command "cmd".
9187 * "remap" can be REMAP_NONE or REMAP_YES.
9188 */
9189 void
9190 exec_normal_cmd(cmd, remap, silent)
9191 char_u *cmd;
9192 int remap;
9193 int silent;
9194 {
9195 oparg_T oa;
9196
9197 /*
9198 * Stuff the argument into the typeahead buffer.
9199 * Execute normal_cmd() until there is no typeahead left.
9200 */
9201 clear_oparg(&oa);
9202 finish_op = FALSE;
9203 ins_typebuf(cmd, remap, 0, TRUE, silent);
9204 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9205 && !got_int)
9206 {
9207 update_topline_cursor();
9208 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9209 }
9210 }
9211 #endif
9212
9213 #ifdef FEAT_FIND_ID
9214 static void
9215 ex_checkpath(eap)
9216 exarg_T *eap;
9217 {
9218 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9219 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9220 (linenr_T)1, (linenr_T)MAXLNUM);
9221 }
9222
9223 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9224 /*
9225 * ":psearch"
9226 */
9227 static void
9228 ex_psearch(eap)
9229 exarg_T *eap;
9230 {
9231 g_do_tagpreview = p_pvh;
9232 ex_findpat(eap);
9233 g_do_tagpreview = 0;
9234 }
9235 #endif
9236
9237 static void
9238 ex_findpat(eap)
9239 exarg_T *eap;
9240 {
9241 int whole = TRUE;
9242 long n;
9243 char_u *p;
9244 int action;
9245
9246 switch (cmdnames[eap->cmdidx].cmd_name[2])
9247 {
9248 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9249 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9250 action = ACTION_GOTO;
9251 else
9252 action = ACTION_SHOW;
9253 break;
9254 case 'i': /* ":ilist" and ":dlist" */
9255 action = ACTION_SHOW_ALL;
9256 break;
9257 case 'u': /* ":ijump" and ":djump" */
9258 action = ACTION_GOTO;
9259 break;
9260 default: /* ":isplit" and ":dsplit" */
9261 action = ACTION_SPLIT;
9262 break;
9263 }
9264
9265 n = 1;
9266 if (vim_isdigit(*eap->arg)) /* get count */
9267 {
9268 n = getdigits(&eap->arg);
9269 eap->arg = skipwhite(eap->arg);
9270 }
9271 if (*eap->arg == '/') /* Match regexp, not just whole words */
9272 {
9273 whole = FALSE;
9274 ++eap->arg;
9275 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9276 if (*p)
9277 {
9278 *p++ = NUL;
9279 p = skipwhite(p);
9280
9281 /* Check for trailing illegal characters */
9282 if (!ends_excmd(*p))
9283 eap->errmsg = e_trailing;
9284 else
9285 eap->nextcmd = check_nextcmd(p);
9286 }
9287 }
9288 if (!eap->skip)
9289 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9290 whole, !eap->forceit,
9291 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9292 n, action, eap->line1, eap->line2);
9293 }
9294 #endif
9295
9296 #ifdef FEAT_WINDOWS
9297
9298 # ifdef FEAT_QUICKFIX
9299 /*
9300 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9301 */
9302 static void
9303 ex_ptag(eap)
9304 exarg_T *eap;
9305 {
9306 g_do_tagpreview = p_pvh;
9307 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9308 }
9309
9310 /*
9311 * ":pedit"
9312 */
9313 static void
9314 ex_pedit(eap)
9315 exarg_T *eap;
9316 {
9317 win_T *curwin_save = curwin;
9318
9319 g_do_tagpreview = p_pvh;
9320 prepare_tagpreview(TRUE);
9321 keep_help_flag = curwin_save->w_buffer->b_help;
9322 do_exedit(eap, NULL);
9323 keep_help_flag = FALSE;
9324 if (curwin != curwin_save && win_valid(curwin_save))
9325 {
9326 /* Return cursor to where we were */
9327 validate_cursor();
9328 redraw_later(VALID);
9329 win_enter(curwin_save, TRUE);
9330 }
9331 g_do_tagpreview = 0;
9332 }
9333 # endif
9334
9335 /*
9336 * ":stag", ":stselect" and ":stjump".
9337 */
9338 static void
9339 ex_stag(eap)
9340 exarg_T *eap;
9341 {
9342 postponed_split = -1;
9343 postponed_split_flags = cmdmod.split;
9344 postponed_split_tab = cmdmod.tab;
9345 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9346 postponed_split_flags = 0;
9347 postponed_split_tab = 0;
9348 }
9349 #endif
9350
9351 /*
9352 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9353 */
9354 static void
9355 ex_tag(eap)
9356 exarg_T *eap;
9357 {
9358 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9359 }
9360
9361 static void
9362 ex_tag_cmd(eap, name)
9363 exarg_T *eap;
9364 char_u *name;
9365 {
9366 int cmd;
9367
9368 switch (name[1])
9369 {
9370 case 'j': cmd = DT_JUMP; /* ":tjump" */
9371 break;
9372 case 's': cmd = DT_SELECT; /* ":tselect" */
9373 break;
9374 case 'p': cmd = DT_PREV; /* ":tprevious" */
9375 break;
9376 case 'N': cmd = DT_PREV; /* ":tNext" */
9377 break;
9378 case 'n': cmd = DT_NEXT; /* ":tnext" */
9379 break;
9380 case 'o': cmd = DT_POP; /* ":pop" */
9381 break;
9382 case 'f': /* ":tfirst" */
9383 case 'r': cmd = DT_FIRST; /* ":trewind" */
9384 break;
9385 case 'l': cmd = DT_LAST; /* ":tlast" */
9386 break;
9387 default: /* ":tag" */
9388 #ifdef FEAT_CSCOPE
9389 if (p_cst && *eap->arg != NUL)
9390 {
9391 do_cstag(eap);
9392 return;
9393 }
9394 #endif
9395 cmd = DT_TAG;
9396 break;
9397 }
9398
9399 if (name[0] == 'l')
9400 {
9401 #ifndef FEAT_QUICKFIX
9402 ex_ni(eap);
9403 return;
9404 #else
9405 cmd = DT_LTAG;
9406 #endif
9407 }
9408
9409 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9410 eap->forceit, TRUE);
9411 }
9412
9413 /*
9414 * Check "str" for starting with a special cmdline variable.
9415 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9416 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9417 */
9418 int
9419 find_cmdline_var(src, usedlen)
9420 char_u *src;
9421 int *usedlen;
9422 {
9423 int len;
9424 int i;
9425 static char *(spec_str[]) = {
9426 "%",
9427 #define SPEC_PERC 0
9428 "#",
9429 #define SPEC_HASH 1
9430 "<cword>", /* cursor word */
9431 #define SPEC_CWORD 2
9432 "<cWORD>", /* cursor WORD */
9433 #define SPEC_CCWORD 3
9434 "<cfile>", /* cursor path name */
9435 #define SPEC_CFILE 4
9436 "<sfile>", /* ":so" file name */
9437 #define SPEC_SFILE 5
9438 #ifdef FEAT_AUTOCMD
9439 "<afile>", /* autocommand file name */
9440 # define SPEC_AFILE 6
9441 "<abuf>", /* autocommand buffer number */
9442 # define SPEC_ABUF 7
9443 "<amatch>", /* autocommand match name */
9444 # define SPEC_AMATCH 8
9445 #endif
9446 #ifdef FEAT_CLIENTSERVER
9447 "<client>"
9448 # define SPEC_CLIENT 9
9449 #endif
9450 };
9451 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9452
9453 for (i = 0; i < SPEC_COUNT; ++i)
9454 {
9455 len = (int)STRLEN(spec_str[i]);
9456 if (STRNCMP(src, spec_str[i], len) == 0)
9457 {
9458 *usedlen = len;
9459 return i;
9460 }
9461 }
9462 return -1;
9463 }
9464
9465 /*
9466 * Evaluate cmdline variables.
9467 *
9468 * change '%' to curbuf->b_ffname
9469 * '#' to curwin->w_altfile
9470 * '<cword>' to word under the cursor
9471 * '<cWORD>' to WORD under the cursor
9472 * '<cfile>' to path name under the cursor
9473 * '<sfile>' to sourced file name
9474 * '<afile>' to file name for autocommand
9475 * '<abuf>' to buffer number for autocommand
9476 * '<amatch>' to matching name for autocommand
9477 *
9478 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9479 * "" for error without a message) and NULL is returned.
9480 * Returns an allocated string if a valid match was found.
9481 * Returns NULL if no match was found. "usedlen" then still contains the
9482 * number of characters to skip.
9483 */
9484 char_u *
9485 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9486 char_u *src; /* pointer into commandline */
9487 char_u *srcstart; /* beginning of valid memory for src */
9488 int *usedlen; /* characters after src that are used */
9489 linenr_T *lnump; /* line number for :e command, or NULL */
9490 char_u **errormsg; /* pointer to error message */
9491 int *escaped; /* return value has escaped white space (can
9492 * be NULL) */
9493 {
9494 int i;
9495 char_u *s;
9496 char_u *result;
9497 char_u *resultbuf = NULL;
9498 int resultlen;
9499 buf_T *buf;
9500 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9501 int spec_idx;
9502 #ifdef FEAT_MODIFY_FNAME
9503 int skip_mod = FALSE;
9504 #endif
9505
9506 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9507 char_u strbuf[30];
9508 #endif
9509
9510 *errormsg = NULL;
9511 if (escaped != NULL)
9512 *escaped = FALSE;
9513
9514 /*
9515 * Check if there is something to do.
9516 */
9517 spec_idx = find_cmdline_var(src, usedlen);
9518 if (spec_idx < 0) /* no match */
9519 {
9520 *usedlen = 1;
9521 return NULL;
9522 }
9523
9524 /*
9525 * Skip when preceded with a backslash "\%" and "\#".
9526 * Note: In "\\%" the % is also not recognized!
9527 */
9528 if (src > srcstart && src[-1] == '\\')
9529 {
9530 *usedlen = 0;
9531 STRMOVE(src - 1, src); /* remove backslash */
9532 return NULL;
9533 }
9534
9535 /*
9536 * word or WORD under cursor
9537 */
9538 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9539 {
9540 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9541 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9542 if (resultlen == 0)
9543 {
9544 *errormsg = (char_u *)"";
9545 return NULL;
9546 }
9547 }
9548
9549 /*
9550 * '#': Alternate file name
9551 * '%': Current file name
9552 * File name under the cursor
9553 * File name for autocommand
9554 * and following modifiers
9555 */
9556 else
9557 {
9558 switch (spec_idx)
9559 {
9560 case SPEC_PERC: /* '%': current file */
9561 if (curbuf->b_fname == NULL)
9562 {
9563 result = (char_u *)"";
9564 valid = 0; /* Must have ":p:h" to be valid */
9565 }
9566 else
9567 #ifdef RISCOS
9568 /* Always use the full path for RISC OS if possible. */
9569 result = curbuf->b_ffname;
9570 if (result == NULL)
9571 result = curbuf->b_fname;
9572 #else
9573 result = curbuf->b_fname;
9574 #endif
9575 break;
9576
9577 case SPEC_HASH: /* '#' or "#99": alternate file */
9578 if (src[1] == '#') /* "##": the argument list */
9579 {
9580 result = arg_all();
9581 resultbuf = result;
9582 *usedlen = 2;
9583 if (escaped != NULL)
9584 *escaped = TRUE;
9585 #ifdef FEAT_MODIFY_FNAME
9586 skip_mod = TRUE;
9587 #endif
9588 break;
9589 }
9590 s = src + 1;
9591 if (*s == '<') /* "#<99" uses v:oldfiles */
9592 ++s;
9593 i = (int)getdigits(&s);
9594 *usedlen = (int)(s - src); /* length of what we expand */
9595
9596 if (src[1] == '<')
9597 {
9598 if (*usedlen < 2)
9599 {
9600 /* Should we give an error message for #<text? */
9601 *usedlen = 1;
9602 return NULL;
9603 }
9604 #ifdef FEAT_EVAL
9605 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9606 (long)i);
9607 if (result == NULL)
9608 {
9609 *errormsg = (char_u *)"";
9610 return NULL;
9611 }
9612 #else
9613 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9614 return NULL;
9615 #endif
9616 }
9617 else
9618 {
9619 buf = buflist_findnr(i);
9620 if (buf == NULL)
9621 {
9622 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9623 return NULL;
9624 }
9625 if (lnump != NULL)
9626 *lnump = ECMD_LAST;
9627 if (buf->b_fname == NULL)
9628 {
9629 result = (char_u *)"";
9630 valid = 0; /* Must have ":p:h" to be valid */
9631 }
9632 else
9633 result = buf->b_fname;
9634 }
9635 break;
9636
9637 #ifdef FEAT_SEARCHPATH
9638 case SPEC_CFILE: /* file name under cursor */
9639 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9640 if (result == NULL)
9641 {
9642 *errormsg = (char_u *)"";
9643 return NULL;
9644 }
9645 resultbuf = result; /* remember allocated string */
9646 break;
9647 #endif
9648
9649 #ifdef FEAT_AUTOCMD
9650 case SPEC_AFILE: /* file name for autocommand */
9651 result = autocmd_fname;
9652 if (result != NULL && !autocmd_fname_full)
9653 {
9654 /* Still need to turn the fname into a full path. It is
9655 * postponed to avoid a delay when <afile> is not used. */
9656 autocmd_fname_full = TRUE;
9657 result = FullName_save(autocmd_fname, FALSE);
9658 vim_free(autocmd_fname);
9659 autocmd_fname = result;
9660 }
9661 if (result == NULL)
9662 {
9663 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9664 return NULL;
9665 }
9666 result = shorten_fname1(result);
9667 break;
9668
9669 case SPEC_ABUF: /* buffer number for autocommand */
9670 if (autocmd_bufnr <= 0)
9671 {
9672 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9673 return NULL;
9674 }
9675 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9676 result = strbuf;
9677 break;
9678
9679 case SPEC_AMATCH: /* match name for autocommand */
9680 result = autocmd_match;
9681 if (result == NULL)
9682 {
9683 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9684 return NULL;
9685 }
9686 break;
9687
9688 #endif
9689 case SPEC_SFILE: /* file name for ":so" command */
9690 result = sourcing_name;
9691 if (result == NULL)
9692 {
9693 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9694 return NULL;
9695 }
9696 break;
9697 #if defined(FEAT_CLIENTSERVER)
9698 case SPEC_CLIENT: /* Source of last submitted input */
9699 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9700 (long_u)clientWindow);
9701 result = strbuf;
9702 break;
9703 #endif
9704 }
9705
9706 resultlen = (int)STRLEN(result); /* length of new string */
9707 if (src[*usedlen] == '<') /* remove the file name extension */
9708 {
9709 ++*usedlen;
9710 #ifdef RISCOS
9711 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9712 #else
9713 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9714 #endif
9715 resultlen = (int)(s - result);
9716 }
9717 #ifdef FEAT_MODIFY_FNAME
9718 else if (!skip_mod)
9719 {
9720 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9721 &resultlen);
9722 if (result == NULL)
9723 {
9724 *errormsg = (char_u *)"";
9725 return NULL;
9726 }
9727 }
9728 #endif
9729 }
9730
9731 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9732 {
9733 if (valid != VALID_HEAD + VALID_PATH)
9734 /* xgettext:no-c-format */
9735 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9736 else
9737 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9738 result = NULL;
9739 }
9740 else
9741 result = vim_strnsave(result, resultlen);
9742 vim_free(resultbuf);
9743 return result;
9744 }
9745
9746 /*
9747 * Concatenate all files in the argument list, separated by spaces, and return
9748 * it in one allocated string.
9749 * Spaces and backslashes in the file names are escaped with a backslash.
9750 * Returns NULL when out of memory.
9751 */
9752 static char_u *
9753 arg_all()
9754 {
9755 int len;
9756 int idx;
9757 char_u *retval = NULL;
9758 char_u *p;
9759
9760 /*
9761 * Do this loop two times:
9762 * first time: compute the total length
9763 * second time: concatenate the names
9764 */
9765 for (;;)
9766 {
9767 len = 0;
9768 for (idx = 0; idx < ARGCOUNT; ++idx)
9769 {
9770 p = alist_name(&ARGLIST[idx]);
9771 if (p != NULL)
9772 {
9773 if (len > 0)
9774 {
9775 /* insert a space in between names */
9776 if (retval != NULL)
9777 retval[len] = ' ';
9778 ++len;
9779 }
9780 for ( ; *p != NUL; ++p)
9781 {
9782 if (*p == ' ' || *p == '\\')
9783 {
9784 /* insert a backslash */
9785 if (retval != NULL)
9786 retval[len] = '\\';
9787 ++len;
9788 }
9789 if (retval != NULL)
9790 retval[len] = *p;
9791 ++len;
9792 }
9793 }
9794 }
9795
9796 /* second time: break here */
9797 if (retval != NULL)
9798 {
9799 retval[len] = NUL;
9800 break;
9801 }
9802
9803 /* allocate memory */
9804 retval = alloc(len + 1);
9805 if (retval == NULL)
9806 break;
9807 }
9808
9809 return retval;
9810 }
9811
9812 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9813 /*
9814 * Expand the <sfile> string in "arg".
9815 *
9816 * Returns an allocated string, or NULL for any error.
9817 */
9818 char_u *
9819 expand_sfile(arg)
9820 char_u *arg;
9821 {
9822 char_u *errormsg;
9823 int len;
9824 char_u *result;
9825 char_u *newres;
9826 char_u *repl;
9827 int srclen;
9828 char_u *p;
9829
9830 result = vim_strsave(arg);
9831 if (result == NULL)
9832 return NULL;
9833
9834 for (p = result; *p; )
9835 {
9836 if (STRNCMP(p, "<sfile>", 7) != 0)
9837 ++p;
9838 else
9839 {
9840 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9841 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9842 if (errormsg != NULL)
9843 {
9844 if (*errormsg)
9845 emsg(errormsg);
9846 vim_free(result);
9847 return NULL;
9848 }
9849 if (repl == NULL) /* no match (cannot happen) */
9850 {
9851 p += srclen;
9852 continue;
9853 }
9854 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9855 newres = alloc(len);
9856 if (newres == NULL)
9857 {
9858 vim_free(repl);
9859 vim_free(result);
9860 return NULL;
9861 }
9862 mch_memmove(newres, result, (size_t)(p - result));
9863 STRCPY(newres + (p - result), repl);
9864 len = (int)STRLEN(newres);
9865 STRCAT(newres, p + srclen);
9866 vim_free(repl);
9867 vim_free(result);
9868 result = newres;
9869 p = newres + len; /* continue after the match */
9870 }
9871 }
9872
9873 return result;
9874 }
9875 #endif
9876
9877 #ifdef FEAT_SESSION
9878 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9879 win_T *tab_firstwin));
9880 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9881 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9882 static int ses_do_frame __ARGS((frame_T *fr));
9883 static int ses_do_win __ARGS((win_T *wp));
9884 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9885 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9886 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9887
9888 /*
9889 * Write openfile commands for the current buffers to an .exrc file.
9890 * Return FAIL on error, OK otherwise.
9891 */
9892 static int
9893 makeopens(fd, dirnow)
9894 FILE *fd;
9895 char_u *dirnow; /* Current directory name */
9896 {
9897 buf_T *buf;
9898 int only_save_windows = TRUE;
9899 int nr;
9900 int cnr = 1;
9901 int restore_size = TRUE;
9902 win_T *wp;
9903 char_u *sname;
9904 win_T *edited_win = NULL;
9905 int tabnr;
9906 win_T *tab_firstwin;
9907 frame_T *tab_topframe;
9908 int cur_arg_idx = 0;
9909 int next_arg_idx = 0;
9910
9911 if (ssop_flags & SSOP_BUFFERS)
9912 only_save_windows = FALSE; /* Save ALL buffers */
9913
9914 /*
9915 * Begin by setting the this_session variable, and then other
9916 * sessionable variables.
9917 */
9918 #ifdef FEAT_EVAL
9919 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9920 return FAIL;
9921 if (ssop_flags & SSOP_GLOBALS)
9922 if (store_session_globals(fd) == FAIL)
9923 return FAIL;
9924 #endif
9925
9926 /*
9927 * Close all windows but one.
9928 */
9929 if (put_line(fd, "silent only") == FAIL)
9930 return FAIL;
9931
9932 /*
9933 * Now a :cd command to the session directory or the current directory
9934 */
9935 if (ssop_flags & SSOP_SESDIR)
9936 {
9937 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9938 == FAIL)
9939 return FAIL;
9940 }
9941 else if (ssop_flags & SSOP_CURDIR)
9942 {
9943 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9944 if (sname == NULL
9945 || fputs("cd ", fd) < 0
9946 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9947 || put_eol(fd) == FAIL)
9948 {
9949 vim_free(sname);
9950 return FAIL;
9951 }
9952 vim_free(sname);
9953 }
9954
9955 /*
9956 * If there is an empty, unnamed buffer we will wipe it out later.
9957 * Remember the buffer number.
9958 */
9959 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9960 return FAIL;
9961 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9962 return FAIL;
9963 if (put_line(fd, "endif") == FAIL)
9964 return FAIL;
9965
9966 /*
9967 * Now save the current files, current buffer first.
9968 */
9969 if (put_line(fd, "set shortmess=aoO") == FAIL)
9970 return FAIL;
9971
9972 /* Now put the other buffers into the buffer list */
9973 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9974 {
9975 if (!(only_save_windows && buf->b_nwindows == 0)
9976 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9977 && buf->b_fname != NULL
9978 && buf->b_p_bl)
9979 {
9980 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9981 : buf->b_wininfo->wi_fpos.lnum) < 0
9982 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9983 return FAIL;
9984 }
9985 }
9986
9987 /* the global argument list */
9988 if (ses_arglist(fd, "args", &global_alist.al_ga,
9989 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9990 return FAIL;
9991
9992 if (ssop_flags & SSOP_RESIZE)
9993 {
9994 /* Note: after the restore we still check it worked!*/
9995 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9996 || put_eol(fd) == FAIL)
9997 return FAIL;
9998 #ifdef FEAT_FULLSCREEN
9999 /* fullscreen needs to be set after lines and columns */
10000 if (p_fullscreen)
10001 {
10002 if (fprintf(fd, "set fullscreen") < 0 || put_eol(fd) == FAIL)
10003 return FAIL;
10004 }
10005 #endif
10006 }
10007
10008 #ifdef FEAT_GUI
10009 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
10010 {
10011 int x, y;
10012
10013 if (gui_mch_get_winpos(&x, &y) == OK)
10014 {
10015 /* Note: after the restore we still check it worked!*/
10016 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10017 return FAIL;
10018 }
10019 }
10020 #endif
10021
10022 /*
10023 * May repeat putting Windows for each tab, when "tabpages" is in
10024 * 'sessionoptions'.
10025 * Don't use goto_tabpage(), it may change directory and trigger
10026 * autocommands.
10027 */
10028 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10029 tab_topframe = topframe;
10030 for (tabnr = 1; ; ++tabnr)
10031 {
10032 int need_tabnew = FALSE;
10033
10034 if ((ssop_flags & SSOP_TABPAGES))
10035 {
10036 tabpage_T *tp = find_tabpage(tabnr);
10037
10038 if (tp == NULL)
10039 break; /* done all tab pages */
10040 if (tp == curtab)
10041 {
10042 tab_firstwin = firstwin;
10043 tab_topframe = topframe;
10044 }
10045 else
10046 {
10047 tab_firstwin = tp->tp_firstwin;
10048 tab_topframe = tp->tp_topframe;
10049 }
10050 if (tabnr > 1)
10051 need_tabnew = TRUE;
10052 }
10053
10054 /*
10055 * Before creating the window layout, try loading one file. If this
10056 * is aborted we don't end up with a number of useless windows.
10057 * This may have side effects! (e.g., compressed or network file).
10058 */
10059 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10060 {
10061 if (ses_do_win(wp)
10062 && wp->w_buffer->b_ffname != NULL
10063 && !wp->w_buffer->b_help
10064 #ifdef FEAT_QUICKFIX
10065 && !bt_nofile(wp->w_buffer)
10066 #endif
10067 )
10068 {
10069 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10070 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10071 return FAIL;
10072 need_tabnew = FALSE;
10073 if (!wp->w_arg_idx_invalid)
10074 edited_win = wp;
10075 break;
10076 }
10077 }
10078
10079 /* If no file got edited create an empty tab page. */
10080 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10081 return FAIL;
10082
10083 /*
10084 * Save current window layout.
10085 */
10086 if (put_line(fd, "set splitbelow splitright") == FAIL)
10087 return FAIL;
10088 if (ses_win_rec(fd, tab_topframe) == FAIL)
10089 return FAIL;
10090 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10091 return FAIL;
10092 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10093 return FAIL;
10094
10095 /*
10096 * Check if window sizes can be restored (no windows omitted).
10097 * Remember the window number of the current window after restoring.
10098 */
10099 nr = 0;
10100 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10101 {
10102 if (ses_do_win(wp))
10103 ++nr;
10104 else
10105 restore_size = FALSE;
10106 if (curwin == wp)
10107 cnr = nr;
10108 }
10109
10110 /* Go to the first window. */
10111 if (put_line(fd, "wincmd t") == FAIL)
10112 return FAIL;
10113
10114 /*
10115 * If more than one window, see if sizes can be restored.
10116 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10117 * resized when moving between windows.
10118 * Do this before restoring the view, so that the topline and the
10119 * cursor can be set. This is done again below.
10120 */
10121 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10122 return FAIL;
10123 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10124 return FAIL;
10125
10126 /*
10127 * Restore the view of the window (options, file, cursor, etc.).
10128 */
10129 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10130 {
10131 if (!ses_do_win(wp))
10132 continue;
10133 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10134 cur_arg_idx) == FAIL)
10135 return FAIL;
10136 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10137 return FAIL;
10138 next_arg_idx = wp->w_arg_idx;
10139 }
10140
10141 /* The argument index in the first tab page is zero, need to set it in
10142 * each window. For further tab pages it's the window where we do
10143 * "tabedit". */
10144 cur_arg_idx = next_arg_idx;
10145
10146 /*
10147 * Restore cursor to the current window if it's not the first one.
10148 */
10149 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10150 || put_eol(fd) == FAIL))
10151 return FAIL;
10152
10153 /*
10154 * Restore window sizes again after jumping around in windows, because
10155 * the current window has a minimum size while others may not.
10156 */
10157 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10158 return FAIL;
10159
10160 /* Don't continue in another tab page when doing only the current one
10161 * or when at the last tab page. */
10162 if (!(ssop_flags & SSOP_TABPAGES))
10163 break;
10164 }
10165
10166 if (ssop_flags & SSOP_TABPAGES)
10167 {
10168 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10169 || put_eol(fd) == FAIL)
10170 return FAIL;
10171 }
10172
10173 /*
10174 * Wipe out an empty unnamed buffer we started in.
10175 */
10176 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10177 return FAIL;
10178 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10179 return FAIL;
10180 if (put_line(fd, "endif") == FAIL)
10181 return FAIL;
10182 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10183 return FAIL;
10184
10185 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10186 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10187 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10188 return FAIL;
10189
10190 /*
10191 * Lastly, execute the x.vim file if it exists.
10192 */
10193 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10194 || put_line(fd, "if file_readable(s:sx)") == FAIL
10195 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10196 || put_line(fd, "endif") == FAIL)
10197 return FAIL;
10198
10199 return OK;
10200 }
10201
10202 static int
10203 ses_winsizes(fd, restore_size, tab_firstwin)
10204 FILE *fd;
10205 int restore_size;
10206 win_T *tab_firstwin;
10207 {
10208 int n = 0;
10209 win_T *wp;
10210
10211 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10212 {
10213 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10214 {
10215 if (!ses_do_win(wp))
10216 continue;
10217 ++n;
10218
10219 /* restore height when not full height */
10220 if (wp->w_height + wp->w_status_height < topframe->fr_height
10221 && (fprintf(fd,
10222 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10223 n, (long)wp->w_height, Rows / 2, Rows) < 0
10224 || put_eol(fd) == FAIL))
10225 return FAIL;
10226
10227 /* restore width when not full width */
10228 if (wp->w_width < Columns && (fprintf(fd,
10229 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10230 n, (long)wp->w_width, Columns / 2, Columns) < 0
10231 || put_eol(fd) == FAIL))
10232 return FAIL;
10233 }
10234 }
10235 else
10236 {
10237 /* Just equalise window sizes */
10238 if (put_line(fd, "wincmd =") == FAIL)
10239 return FAIL;
10240 }
10241 return OK;
10242 }
10243
10244 /*
10245 * Write commands to "fd" to recursively create windows for frame "fr",
10246 * horizontally and vertically split.
10247 * After the commands the last window in the frame is the current window.
10248 * Returns FAIL when writing the commands to "fd" fails.
10249 */
10250 static int
10251 ses_win_rec(fd, fr)
10252 FILE *fd;
10253 frame_T *fr;
10254 {
10255 frame_T *frc;
10256 int count = 0;
10257
10258 if (fr->fr_layout != FR_LEAF)
10259 {
10260 /* Find first frame that's not skipped and then create a window for
10261 * each following one (first frame is already there). */
10262 frc = ses_skipframe(fr->fr_child);
10263 if (frc != NULL)
10264 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10265 {
10266 /* Make window as big as possible so that we have lots of room
10267 * to split. */
10268 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10269 || put_line(fd, fr->fr_layout == FR_COL
10270 ? "split" : "vsplit") == FAIL)
10271 return FAIL;
10272 ++count;
10273 }
10274
10275 /* Go back to the first window. */
10276 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10277 ? "%dwincmd k" : "%dwincmd h", count) < 0
10278 || put_eol(fd) == FAIL))
10279 return FAIL;
10280
10281 /* Recursively create frames/windows in each window of this column or
10282 * row. */
10283 frc = ses_skipframe(fr->fr_child);
10284 while (frc != NULL)
10285 {
10286 ses_win_rec(fd, frc);
10287 frc = ses_skipframe(frc->fr_next);
10288 /* Go to next window. */
10289 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10290 return FAIL;
10291 }
10292 }
10293 return OK;
10294 }
10295
10296 /*
10297 * Skip frames that don't contain windows we want to save in the Session.
10298 * Returns NULL when there none.
10299 */
10300 static frame_T *
10301 ses_skipframe(fr)
10302 frame_T *fr;
10303 {
10304 frame_T *frc;
10305
10306 for (frc = fr; frc != NULL; frc = frc->fr_next)
10307 if (ses_do_frame(frc))
10308 break;
10309 return frc;
10310 }
10311
10312 /*
10313 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10314 * the Session.
10315 */
10316 static int
10317 ses_do_frame(fr)
10318 frame_T *fr;
10319 {
10320 frame_T *frc;
10321
10322 if (fr->fr_layout == FR_LEAF)
10323 return ses_do_win(fr->fr_win);
10324 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10325 if (ses_do_frame(frc))
10326 return TRUE;
10327 return FALSE;
10328 }
10329
10330 /*
10331 * Return non-zero if window "wp" is to be stored in the Session.
10332 */
10333 static int
10334 ses_do_win(wp)
10335 win_T *wp;
10336 {
10337 if (wp->w_buffer->b_fname == NULL
10338 #ifdef FEAT_QUICKFIX
10339 /* When 'buftype' is "nofile" can't restore the window contents. */
10340 || bt_nofile(wp->w_buffer)
10341 #endif
10342 )
10343 return (ssop_flags & SSOP_BLANK);
10344 if (wp->w_buffer->b_help)
10345 return (ssop_flags & SSOP_HELP);
10346 return TRUE;
10347 }
10348
10349 /*
10350 * Write commands to "fd" to restore the view of a window.
10351 * Caller must make sure 'scrolloff' is zero.
10352 */
10353 static int
10354 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10355 FILE *fd;
10356 win_T *wp;
10357 int add_edit; /* add ":edit" command to view */
10358 unsigned *flagp; /* vop_flags or ssop_flags */
10359 int current_arg_idx; /* current argument index of the window, use
10360 * -1 if unknown */
10361 {
10362 win_T *save_curwin;
10363 int f;
10364 int do_cursor;
10365 int did_next = FALSE;
10366
10367 /* Always restore cursor position for ":mksession". For ":mkview" only
10368 * when 'viewoptions' contains "cursor". */
10369 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10370
10371 /*
10372 * Local argument list.
10373 */
10374 if (wp->w_alist == &global_alist)
10375 {
10376 if (put_line(fd, "argglobal") == FAIL)
10377 return FAIL;
10378 }
10379 else
10380 {
10381 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10382 flagp == &vop_flags
10383 || !(*flagp & SSOP_CURDIR)
10384 || wp->w_localdir != NULL, flagp) == FAIL)
10385 return FAIL;
10386 }
10387
10388 /* Only when part of a session: restore the argument index. Some
10389 * arguments may have been deleted, check if the index is valid. */
10390 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10391 && flagp == &ssop_flags)
10392 {
10393 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10394 || put_eol(fd) == FAIL)
10395 return FAIL;
10396 did_next = TRUE;
10397 }
10398
10399 /* Edit the file. Skip this when ":next" already did it. */
10400 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10401 {
10402 /*
10403 * Load the file.
10404 */
10405 if (wp->w_buffer->b_ffname != NULL
10406 #ifdef FEAT_QUICKFIX
10407 && !bt_nofile(wp->w_buffer)
10408 #endif
10409 )
10410 {
10411 /*
10412 * Editing a file in this buffer: use ":edit file".
10413 * This may have side effects! (e.g., compressed or network file).
10414 */
10415 if (fputs("edit ", fd) < 0
10416 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10417 return FAIL;
10418 }
10419 else
10420 {
10421 /* No file in this buffer, just make it empty. */
10422 if (put_line(fd, "enew") == FAIL)
10423 return FAIL;
10424 #ifdef FEAT_QUICKFIX
10425 if (wp->w_buffer->b_ffname != NULL)
10426 {
10427 /* The buffer does have a name, but it's not a file name. */
10428 if (fputs("file ", fd) < 0
10429 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10430 return FAIL;
10431 }
10432 #endif
10433 do_cursor = FALSE;
10434 }
10435 }
10436
10437 /*
10438 * Local mappings and abbreviations.
10439 */
10440 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10441 && makemap(fd, wp->w_buffer) == FAIL)
10442 return FAIL;
10443
10444 /*
10445 * Local options. Need to go to the window temporarily.
10446 * Store only local values when using ":mkview" and when ":mksession" is
10447 * used and 'sessionoptions' doesn't include "options".
10448 * Some folding options are always stored when "folds" is included,
10449 * otherwise the folds would not be restored correctly.
10450 */
10451 save_curwin = curwin;
10452 curwin = wp;
10453 curbuf = curwin->w_buffer;
10454 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10455 f = makeset(fd, OPT_LOCAL,
10456 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10457 #ifdef FEAT_FOLDING
10458 else if (*flagp & SSOP_FOLDS)
10459 f = makefoldset(fd);
10460 #endif
10461 else
10462 f = OK;
10463 curwin = save_curwin;
10464 curbuf = curwin->w_buffer;
10465 if (f == FAIL)
10466 return FAIL;
10467
10468 #ifdef FEAT_FOLDING
10469 /*
10470 * Save Folds when 'buftype' is empty and for help files.
10471 */
10472 if ((*flagp & SSOP_FOLDS)
10473 && wp->w_buffer->b_ffname != NULL
10474 # ifdef FEAT_QUICKFIX
10475 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10476 # endif
10477 )
10478 {
10479 if (put_folds(fd, wp) == FAIL)
10480 return FAIL;
10481 }
10482 #endif
10483
10484 /*
10485 * Set the cursor after creating folds, since that moves the cursor.
10486 */
10487 if (do_cursor)
10488 {
10489
10490 /* Restore the cursor line in the file and relatively in the
10491 * window. Don't use "G", it changes the jumplist. */
10492 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10493 (long)wp->w_cursor.lnum,
10494 (long)(wp->w_cursor.lnum - wp->w_topline),
10495 (long)wp->w_height / 2, (long)wp->w_height) < 0
10496 || put_eol(fd) == FAIL
10497 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10498 || put_line(fd, "exe s:l") == FAIL
10499 || put_line(fd, "normal! zt") == FAIL
10500 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10501 || put_eol(fd) == FAIL)
10502 return FAIL;
10503 /* Restore the cursor column and left offset when not wrapping. */
10504 if (wp->w_cursor.col == 0)
10505 {
10506 if (put_line(fd, "normal! 0") == FAIL)
10507 return FAIL;
10508 }
10509 else
10510 {
10511 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10512 {
10513 if (fprintf(fd,
10514 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10515 (long)wp->w_cursor.col,
10516 (long)(wp->w_cursor.col - wp->w_leftcol),
10517 (long)wp->w_width / 2, (long)wp->w_width) < 0
10518 || put_eol(fd) == FAIL
10519 || put_line(fd, "if s:c > 0") == FAIL
10520 || fprintf(fd,
10521 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10522 (long)wp->w_cursor.col) < 0
10523 || put_eol(fd) == FAIL
10524 || put_line(fd, "else") == FAIL
10525 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10526 || put_eol(fd) == FAIL
10527 || put_line(fd, "endif") == FAIL)
10528 return FAIL;
10529 }
10530 else
10531 {
10532 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10533 || put_eol(fd) == FAIL)
10534 return FAIL;
10535 }
10536 }
10537 }
10538
10539 /*
10540 * Local directory.
10541 */
10542 if (wp->w_localdir != NULL)
10543 {
10544 if (fputs("lcd ", fd) < 0
10545 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10546 || put_eol(fd) == FAIL)
10547 return FAIL;
10548 did_lcd = TRUE;
10549 }
10550
10551 return OK;
10552 }
10553
10554 /*
10555 * Write an argument list to the session file.
10556 * Returns FAIL if writing fails.
10557 */
10558 static int
10559 ses_arglist(fd, cmd, gap, fullname, flagp)
10560 FILE *fd;
10561 char *cmd;
10562 garray_T *gap;
10563 int fullname; /* TRUE: use full path name */
10564 unsigned *flagp;
10565 {
10566 int i;
10567 char_u buf[MAXPATHL];
10568 char_u *s;
10569
10570 if (gap->ga_len == 0)
10571 return put_line(fd, "silent! argdel *");
10572 if (fputs(cmd, fd) < 0)
10573 return FAIL;
10574 for (i = 0; i < gap->ga_len; ++i)
10575 {
10576 /* NULL file names are skipped (only happens when out of memory). */
10577 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10578 if (s != NULL)
10579 {
10580 if (fullname)
10581 {
10582 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10583 s = buf;
10584 }
10585 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10586 return FAIL;
10587 }
10588 }
10589 return put_eol(fd);
10590 }
10591
10592 /*
10593 * Write a buffer name to the session file.
10594 * Also ends the line.
10595 * Returns FAIL if writing fails.
10596 */
10597 static int
10598 ses_fname(fd, buf, flagp)
10599 FILE *fd;
10600 buf_T *buf;
10601 unsigned *flagp;
10602 {
10603 char_u *name;
10604
10605 /* Use the short file name if the current directory is known at the time
10606 * the session file will be sourced.
10607 * Don't do this for ":mkview", we don't know the current directory.
10608 * Don't do this after ":lcd", we don't keep track of what the current
10609 * directory is. */
10610 if (buf->b_sfname != NULL
10611 && flagp == &ssop_flags
10612 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10613 && !did_lcd)
10614 name = buf->b_sfname;
10615 else
10616 name = buf->b_ffname;
10617 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10618 return FAIL;
10619 return OK;
10620 }
10621
10622 /*
10623 * Write a file name to the session file.
10624 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10625 * characters.
10626 * Returns FAIL if writing fails.
10627 */
10628 static int
10629 ses_put_fname(fd, name, flagp)
10630 FILE *fd;
10631 char_u *name;
10632 unsigned *flagp;
10633 {
10634 char_u *sname;
10635 int retval = OK;
10636 int c;
10637
10638 sname = home_replace_save(NULL, name);
10639 if (sname != NULL)
10640 name = sname;
10641 while (*name != NUL)
10642 {
10643 #ifdef FEAT_MBYTE
10644 {
10645 int l;
10646
10647 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10648 {
10649 /* copy a multibyte char */
10650 while (--l >= 0)
10651 {
10652 if (putc(*name, fd) != *name)
10653 retval = FAIL;
10654 ++name;
10655 }
10656 continue;
10657 }
10658 }
10659 #endif
10660 c = *name++;
10661 if (c == '\\' && (*flagp & SSOP_SLASH))
10662 /* change a backslash to a forward slash */
10663 c = '/';
10664 else if ((vim_strchr(escape_chars, c) != NULL
10665 #ifdef BACKSLASH_IN_FILENAME
10666 && c != '\\'
10667 #endif
10668 ) || c == '#' || c == '%')
10669 {
10670 /* escape a special character with a backslash */
10671 if (putc('\\', fd) != '\\')
10672 retval = FAIL;
10673 }
10674 if (putc(c, fd) != c)
10675 retval = FAIL;
10676 }
10677 vim_free(sname);
10678 return retval;
10679 }
10680
10681 /*
10682 * ":loadview [nr]"
10683 */
10684 static void
10685 ex_loadview(eap)
10686 exarg_T *eap;
10687 {
10688 char_u *fname;
10689
10690 fname = get_view_file(*eap->arg);
10691 if (fname != NULL)
10692 {
10693 do_source(fname, FALSE, DOSO_NONE);
10694 vim_free(fname);
10695 }
10696 }
10697
10698 /*
10699 * Get the name of the view file for the current buffer.
10700 */
10701 static char_u *
10702 get_view_file(c)
10703 int c;
10704 {
10705 int len = 0;
10706 char_u *p, *s;
10707 char_u *retval;
10708 char_u *sname;
10709
10710 if (curbuf->b_ffname == NULL)
10711 {
10712 EMSG(_(e_noname));
10713 return NULL;
10714 }
10715 sname = home_replace_save(NULL, curbuf->b_ffname);
10716 if (sname == NULL)
10717 return NULL;
10718
10719 /*
10720 * We want a file name without separators, because we're not going to make
10721 * a directory.
10722 * "normal" path separator -> "=+"
10723 * "=" -> "=="
10724 * ":" path separator -> "=-"
10725 */
10726 for (p = sname; *p; ++p)
10727 if (*p == '=' || vim_ispathsep(*p))
10728 ++len;
10729 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10730 if (retval != NULL)
10731 {
10732 STRCPY(retval, p_vdir);
10733 add_pathsep(retval);
10734 s = retval + STRLEN(retval);
10735 for (p = sname; *p; ++p)
10736 {
10737 if (*p == '=')
10738 {
10739 *s++ = '=';
10740 *s++ = '=';
10741 }
10742 else if (vim_ispathsep(*p))
10743 {
10744 *s++ = '=';
10745 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10746 || defined(VMS)
10747 if (*p == ':')
10748 *s++ = '-';
10749 else
10750 #endif
10751 *s++ = '+';
10752 }
10753 else
10754 *s++ = *p;
10755 }
10756 *s++ = '=';
10757 *s++ = c;
10758 STRCPY(s, ".vim");
10759 }
10760
10761 vim_free(sname);
10762 return retval;
10763 }
10764
10765 #endif /* FEAT_SESSION */
10766
10767 /*
10768 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10769 * Return FAIL for a write error.
10770 */
10771 int
10772 put_eol(fd)
10773 FILE *fd;
10774 {
10775 if (
10776 #ifdef USE_CRNL
10777 (
10778 # ifdef MKSESSION_NL
10779 !mksession_nl &&
10780 # endif
10781 (putc('\r', fd) < 0)) ||
10782 #endif
10783 (putc('\n', fd) < 0))
10784 return FAIL;
10785 return OK;
10786 }
10787
10788 /*
10789 * Write a line to "fd".
10790 * Return FAIL for a write error.
10791 */
10792 int
10793 put_line(fd, s)
10794 FILE *fd;
10795 char *s;
10796 {
10797 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10798 return FAIL;
10799 return OK;
10800 }
10801
10802 #ifdef FEAT_VIMINFO
10803 /*
10804 * ":rviminfo" and ":wviminfo".
10805 */
10806 static void
10807 ex_viminfo(eap)
10808 exarg_T *eap;
10809 {
10810 char_u *save_viminfo;
10811
10812 save_viminfo = p_viminfo;
10813 if (*p_viminfo == NUL)
10814 p_viminfo = (char_u *)"'100";
10815 if (eap->cmdidx == CMD_rviminfo)
10816 {
10817 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10818 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10819 EMSG(_("E195: Cannot open viminfo file for reading"));
10820 }
10821 else
10822 write_viminfo(eap->arg, eap->forceit);
10823 p_viminfo = save_viminfo;
10824 }
10825 #endif
10826
10827 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10828 /*
10829 * Make a dialog message in "buff[IOSIZE]".
10830 * "format" must contain "%s".
10831 */
10832 void
10833 dialog_msg(buff, format, fname)
10834 char_u *buff;
10835 char *format;
10836 char_u *fname;
10837 {
10838 if (fname == NULL)
10839 fname = (char_u *)_("Untitled");
10840 vim_snprintf((char *)buff, IOSIZE, format, fname);
10841 }
10842 #endif
10843
10844 /*
10845 * ":behave {mswin,xterm}"
10846 */
10847 static void
10848 ex_behave(eap)
10849 exarg_T *eap;
10850 {
10851 if (STRCMP(eap->arg, "mswin") == 0)
10852 {
10853 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10854 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10855 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10856 set_option_value((char_u *)"keymodel", 0L,
10857 (char_u *)"startsel,stopsel", 0);
10858 }
10859 else if (STRCMP(eap->arg, "xterm") == 0)
10860 {
10861 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10862 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10863 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10864 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10865 }
10866 else
10867 EMSG2(_(e_invarg2), eap->arg);
10868 }
10869
10870 #ifdef FEAT_AUTOCMD
10871 static int filetype_detect = FALSE;
10872 static int filetype_plugin = FALSE;
10873 static int filetype_indent = FALSE;
10874
10875 /*
10876 * ":filetype [plugin] [indent] {on,off,detect}"
10877 * on: Load the filetype.vim file to install autocommands for file types.
10878 * off: Load the ftoff.vim file to remove all autocommands for file types.
10879 * plugin on: load filetype.vim and ftplugin.vim
10880 * plugin off: load ftplugof.vim
10881 * indent on: load filetype.vim and indent.vim
10882 * indent off: load indoff.vim
10883 */
10884 static void
10885 ex_filetype(eap)
10886 exarg_T *eap;
10887 {
10888 char_u *arg = eap->arg;
10889 int plugin = FALSE;
10890 int indent = FALSE;
10891
10892 if (*eap->arg == NUL)
10893 {
10894 /* Print current status. */
10895 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10896 filetype_detect ? "ON" : "OFF",
10897 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10898 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10899 return;
10900 }
10901
10902 /* Accept "plugin" and "indent" in any order. */
10903 for (;;)
10904 {
10905 if (STRNCMP(arg, "plugin", 6) == 0)
10906 {
10907 plugin = TRUE;
10908 arg = skipwhite(arg + 6);
10909 continue;
10910 }
10911 if (STRNCMP(arg, "indent", 6) == 0)
10912 {
10913 indent = TRUE;
10914 arg = skipwhite(arg + 6);
10915 continue;
10916 }
10917 break;
10918 }
10919 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10920 {
10921 if (*arg == 'o' || !filetype_detect)
10922 {
10923 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10924 filetype_detect = TRUE;
10925 if (plugin)
10926 {
10927 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10928 filetype_plugin = TRUE;
10929 }
10930 if (indent)
10931 {
10932 source_runtime((char_u *)INDENT_FILE, TRUE);
10933 filetype_indent = TRUE;
10934 }
10935 }
10936 if (*arg == 'd')
10937 {
10938 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10939 do_modelines(0);
10940 }
10941 }
10942 else if (STRCMP(arg, "off") == 0)
10943 {
10944 if (plugin || indent)
10945 {
10946 if (plugin)
10947 {
10948 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10949 filetype_plugin = FALSE;
10950 }
10951 if (indent)
10952 {
10953 source_runtime((char_u *)INDOFF_FILE, TRUE);
10954 filetype_indent = FALSE;
10955 }
10956 }
10957 else
10958 {
10959 source_runtime((char_u *)FTOFF_FILE, TRUE);
10960 filetype_detect = FALSE;
10961 }
10962 }
10963 else
10964 EMSG2(_(e_invarg2), arg);
10965 }
10966
10967 /*
10968 * ":setfiletype {name}"
10969 */
10970 static void
10971 ex_setfiletype(eap)
10972 exarg_T *eap;
10973 {
10974 if (!did_filetype)
10975 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10976 }
10977 #endif
10978
10979 /*ARGSUSED*/
10980 static void
10981 ex_digraphs(eap)
10982 exarg_T *eap;
10983 {
10984 #ifdef FEAT_DIGRAPHS
10985 if (*eap->arg != NUL)
10986 putdigraph(eap->arg);
10987 else
10988 listdigraphs();
10989 #else
10990 EMSG(_("E196: No digraphs in this version"));
10991 #endif
10992 }
10993
10994 static void
10995 ex_set(eap)
10996 exarg_T *eap;
10997 {
10998 int flags = 0;
10999
11000 if (eap->cmdidx == CMD_setlocal)
11001 flags = OPT_LOCAL;
11002 else if (eap->cmdidx == CMD_setglobal)
11003 flags = OPT_GLOBAL;
11004 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
11005 if (cmdmod.browse && flags == 0)
11006 ex_options(eap);
11007 else
11008 #endif
11009 (void)do_set(eap->arg, flags);
11010 }
11011
11012 #ifdef FEAT_SEARCH_EXTRA
11013 /*
11014 * ":nohlsearch"
11015 */
11016 /*ARGSUSED*/
11017 static void
11018 ex_nohlsearch(eap)
11019 exarg_T *eap;
11020 {
11021 no_hlsearch = TRUE;
11022 redraw_all_later(SOME_VALID);
11023 }
11024
11025 /*
11026 * ":[N]match {group} {pattern}"
11027 * Sets nextcmd to the start of the next command, if any. Also called when
11028 * skipping commands to find the next command.
11029 */
11030 static void
11031 ex_match(eap)
11032 exarg_T *eap;
11033 {
11034 char_u *p;
11035 char_u *g = NULL;
11036 char_u *end;
11037 int c;
11038 int id;
11039
11040 if (eap->line2 <= 3)
11041 id = eap->line2;
11042 else
11043 {
11044 EMSG(e_invcmd);
11045 return;
11046 }
11047
11048 /* First clear any old pattern. */
11049 if (!eap->skip)
11050 match_delete(curwin, id, FALSE);
11051
11052 if (ends_excmd(*eap->arg))
11053 end = eap->arg;
11054 else if ((STRNICMP(eap->arg, "none", 4) == 0
11055 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11056 end = eap->arg + 4;
11057 else
11058 {
11059 p = skiptowhite(eap->arg);
11060 if (!eap->skip)
11061 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11062 p = skipwhite(p);
11063 if (*p == NUL)
11064 {
11065 /* There must be two arguments. */
11066 EMSG2(_(e_invarg2), eap->arg);
11067 return;
11068 }
11069 end = skip_regexp(p + 1, *p, TRUE, NULL);
11070 if (!eap->skip)
11071 {
11072 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11073 {
11074 eap->errmsg = e_trailing;
11075 return;
11076 }
11077 if (*end != *p)
11078 {
11079 EMSG2(_(e_invarg2), p);
11080 return;
11081 }
11082
11083 c = *end;
11084 *end = NUL;
11085 match_add(curwin, g, p + 1, 10, id);
11086 vim_free(g);
11087 *end = c;
11088 }
11089 }
11090 eap->nextcmd = find_nextcmd(end);
11091 }
11092 #endif
11093
11094 #ifdef FEAT_CRYPT
11095 /*
11096 * ":X": Get crypt key
11097 */
11098 /*ARGSUSED*/
11099 static void
11100 ex_X(eap)
11101 exarg_T *eap;
11102 {
11103 (void)get_crypt_key(TRUE, TRUE);
11104 }
11105 #endif
11106
11107 #ifdef FEAT_FOLDING
11108 static void
11109 ex_fold(eap)
11110 exarg_T *eap;
11111 {
11112 if (foldManualAllowed(TRUE))
11113 foldCreate(eap->line1, eap->line2);
11114 }
11115
11116 static void
11117 ex_foldopen(eap)
11118 exarg_T *eap;
11119 {
11120 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11121 eap->forceit, FALSE);
11122 }
11123
11124 static void
11125 ex_folddo(eap)
11126 exarg_T *eap;
11127 {
11128 linenr_T lnum;
11129
11130 /* First set the marks for all lines closed/open. */
11131 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11132 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11133 ml_setmarked(lnum);
11134
11135 /* Execute the command on the marked lines. */
11136 global_exe(eap->arg);
11137 ml_clearmarked(); /* clear rest of the marks */
11138 }
11139 #endif
Vim for the Mac