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Merged from the latest developing branch.
[MacVim/KaoriYa.git] / src / ex_docmd.c
blob460fc2a39a9c7b61cfd436055cf308fdf97b4bf9
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 scid_T uc_scriptID; /* SID where the command was defined */
30 int uc_compl; /* completion type */
31 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
32 char_u *uc_compl_arg; /* completion argument if any */
33 # endif
34 } ucmd_T;
35
36 #define UC_BUFFER 1 /* -buffer: local to current buffer */
37
38 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
39
40 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
41 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
42
43 static void do_ucmd __ARGS((exarg_T *eap));
44 static void ex_command __ARGS((exarg_T *eap));
45 static void ex_delcommand __ARGS((exarg_T *eap));
46 # ifdef FEAT_CMDL_COMPL
47 static char_u *get_user_command_name __ARGS((int idx));
48 # endif
49
50 #else
51 # define ex_command ex_ni
52 # define ex_comclear ex_ni
53 # define ex_delcommand ex_ni
54 #endif
55
56 #ifdef FEAT_EVAL
57 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
58 #else
59 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
60 static int if_level = 0; /* depth in :if */
61 #endif
62 static char_u *find_command __ARGS((exarg_T *eap, int *full));
63
64 static void ex_abbreviate __ARGS((exarg_T *eap));
65 static void ex_map __ARGS((exarg_T *eap));
66 static void ex_unmap __ARGS((exarg_T *eap));
67 static void ex_mapclear __ARGS((exarg_T *eap));
68 static void ex_abclear __ARGS((exarg_T *eap));
69 #ifndef FEAT_MENU
70 # define ex_emenu ex_ni
71 # define ex_menu ex_ni
72 # define ex_menutranslate ex_ni
73 #endif
74 #ifdef FEAT_AUTOCMD
75 static void ex_autocmd __ARGS((exarg_T *eap));
76 static void ex_doautocmd __ARGS((exarg_T *eap));
77 #else
78 # define ex_autocmd ex_ni
79 # define ex_doautocmd ex_ni
80 # define ex_doautoall ex_ni
81 #endif
82 #ifdef FEAT_LISTCMDS
83 static void ex_bunload __ARGS((exarg_T *eap));
84 static void ex_buffer __ARGS((exarg_T *eap));
85 static void ex_bmodified __ARGS((exarg_T *eap));
86 static void ex_bnext __ARGS((exarg_T *eap));
87 static void ex_bprevious __ARGS((exarg_T *eap));
88 static void ex_brewind __ARGS((exarg_T *eap));
89 static void ex_blast __ARGS((exarg_T *eap));
90 #else
91 # define ex_bunload ex_ni
92 # define ex_buffer ex_ni
93 # define ex_bmodified ex_ni
94 # define ex_bnext ex_ni
95 # define ex_bprevious ex_ni
96 # define ex_brewind ex_ni
97 # define ex_blast ex_ni
98 # define buflist_list ex_ni
99 # define ex_checktime ex_ni
100 #endif
101 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
102 # define ex_buffer_all ex_ni
103 #endif
104 static char_u *getargcmd __ARGS((char_u **));
105 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
106 static int getargopt __ARGS((exarg_T *eap));
107 #ifndef FEAT_QUICKFIX
108 # define ex_make ex_ni
109 # define ex_cbuffer ex_ni
110 # define ex_cc ex_ni
111 # define ex_cnext ex_ni
112 # define ex_cfile ex_ni
113 # define qf_list ex_ni
114 # define qf_age ex_ni
115 # define ex_helpgrep ex_ni
116 # define ex_vimgrep ex_ni
117 #endif
118 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
119 # define ex_cclose ex_ni
120 # define ex_copen ex_ni
121 # define ex_cwindow ex_ni
122 #endif
123 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
124 # define ex_cexpr ex_ni
125 #endif
126
127 static int check_more __ARGS((int, int));
128 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
129 static void get_flags __ARGS((exarg_T *eap));
130 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
131 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
215 static void ex_popup __ARGS((exarg_T *eap));
216 #else
217 # define ex_popup ex_ni
218 #endif
219 #ifndef FEAT_GUI_MSWIN
220 # define ex_simalt ex_ni
221 #endif
222 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
223 # define gui_mch_find_dialog ex_ni
224 # define gui_mch_replace_dialog ex_ni
225 #endif
226 #if !defined(FEAT_GUI_GTK)
227 # define ex_helpfind ex_ni
228 #endif
229 #ifndef FEAT_CSCOPE
230 # define do_cscope ex_ni
231 # define do_scscope ex_ni
232 # define do_cstag ex_ni
233 #endif
234 #ifndef FEAT_SYN_HL
235 # define ex_syntax ex_ni
236 #endif
237 #ifndef FEAT_SPELL
238 # define ex_spell ex_ni
239 # define ex_mkspell ex_ni
240 # define ex_spelldump ex_ni
241 # define ex_spellinfo ex_ni
242 # define ex_spellrepall ex_ni
243 #endif
244 #ifndef FEAT_MZSCHEME
245 # define ex_mzscheme ex_script_ni
246 # define ex_mzfile ex_ni
247 #endif
248 #ifndef FEAT_PERL
249 # define ex_perl ex_script_ni
250 # define ex_perldo ex_ni
251 #endif
252 #ifndef FEAT_PYTHON
253 # define ex_python ex_script_ni
254 # define ex_pyfile ex_ni
255 #endif
256 #ifndef FEAT_TCL
257 # define ex_tcl ex_script_ni
258 # define ex_tcldo ex_ni
259 # define ex_tclfile ex_ni
260 #endif
261 #ifndef FEAT_RUBY
262 # define ex_ruby ex_script_ni
263 # define ex_rubydo ex_ni
264 # define ex_rubyfile ex_ni
265 #endif
266 #ifndef FEAT_SNIFF
267 # define ex_sniff ex_ni
268 #endif
269 #ifndef FEAT_KEYMAP
270 # define ex_loadkeymap ex_ni
271 #endif
272 static void ex_swapname __ARGS((exarg_T *eap));
273 static void ex_syncbind __ARGS((exarg_T *eap));
274 static void ex_read __ARGS((exarg_T *eap));
275 static void ex_pwd __ARGS((exarg_T *eap));
276 static void ex_equal __ARGS((exarg_T *eap));
277 static void ex_sleep __ARGS((exarg_T *eap));
278 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
279 static void ex_winsize __ARGS((exarg_T *eap));
280 #ifdef FEAT_WINDOWS
281 static void ex_wincmd __ARGS((exarg_T *eap));
282 #else
283 # define ex_wincmd ex_ni
284 #endif
285 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
286 static void ex_winpos __ARGS((exarg_T *eap));
287 #else
288 # define ex_winpos ex_ni
289 #endif
290 static void ex_operators __ARGS((exarg_T *eap));
291 static void ex_put __ARGS((exarg_T *eap));
292 static void ex_copymove __ARGS((exarg_T *eap));
293 static void ex_may_print __ARGS((exarg_T *eap));
294 static void ex_submagic __ARGS((exarg_T *eap));
295 static void ex_join __ARGS((exarg_T *eap));
296 static void ex_at __ARGS((exarg_T *eap));
297 static void ex_bang __ARGS((exarg_T *eap));
298 static void ex_undo __ARGS((exarg_T *eap));
299 static void ex_redo __ARGS((exarg_T *eap));
300 static void ex_later __ARGS((exarg_T *eap));
301 static void ex_redir __ARGS((exarg_T *eap));
302 static void ex_redraw __ARGS((exarg_T *eap));
303 static void ex_redrawstatus __ARGS((exarg_T *eap));
304 static void close_redir __ARGS((void));
305 static void ex_mkrc __ARGS((exarg_T *eap));
306 static void ex_mark __ARGS((exarg_T *eap));
307 #ifdef FEAT_USR_CMDS
308 static char_u *uc_fun_cmd __ARGS((void));
309 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
310 #endif
311 #ifdef FEAT_EX_EXTRA
312 static void ex_normal __ARGS((exarg_T *eap));
313 static void ex_startinsert __ARGS((exarg_T *eap));
314 static void ex_stopinsert __ARGS((exarg_T *eap));
315 #else
316 # define ex_normal ex_ni
317 # define ex_align ex_ni
318 # define ex_retab ex_ni
319 # define ex_startinsert ex_ni
320 # define ex_stopinsert ex_ni
321 # define ex_helptags ex_ni
322 # define ex_sort ex_ni
323 #endif
324 #ifdef FEAT_FIND_ID
325 static void ex_checkpath __ARGS((exarg_T *eap));
326 static void ex_findpat __ARGS((exarg_T *eap));
327 #else
328 # define ex_findpat ex_ni
329 # define ex_checkpath ex_ni
330 #endif
331 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
332 static void ex_psearch __ARGS((exarg_T *eap));
333 #else
334 # define ex_psearch ex_ni
335 #endif
336 static void ex_tag __ARGS((exarg_T *eap));
337 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
338 #ifndef FEAT_EVAL
339 # define ex_scriptnames ex_ni
340 # define ex_finish ex_ni
341 # define ex_echo ex_ni
342 # define ex_echohl ex_ni
343 # define ex_execute ex_ni
344 # define ex_call ex_ni
345 # define ex_if ex_ni
346 # define ex_endif ex_ni
347 # define ex_else ex_ni
348 # define ex_while ex_ni
349 # define ex_for ex_ni
350 # define ex_continue ex_ni
351 # define ex_break ex_ni
352 # define ex_endwhile ex_ni
353 # define ex_endfor ex_ni
354 # define ex_throw ex_ni
355 # define ex_try ex_ni
356 # define ex_catch ex_ni
357 # define ex_finally ex_ni
358 # define ex_endtry ex_ni
359 # define ex_endfunction ex_ni
360 # define ex_let ex_ni
361 # define ex_unlet ex_ni
362 # define ex_lockvar ex_ni
363 # define ex_unlockvar ex_ni
364 # define ex_function ex_ni
365 # define ex_delfunction ex_ni
366 # define ex_return ex_ni
367 #endif
368 static char_u *arg_all __ARGS((void));
369 #ifdef FEAT_SESSION
370 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
371 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
372 static void ex_loadview __ARGS((exarg_T *eap));
373 static char_u *get_view_file __ARGS((int c));
374 static int did_lcd; /* whether ":lcd" was produced for a session */
375 #else
376 # define ex_loadview ex_ni
377 #endif
378 #ifndef FEAT_EVAL
379 # define ex_compiler ex_ni
380 #endif
381 #ifdef FEAT_VIMINFO
382 static void ex_viminfo __ARGS((exarg_T *eap));
383 #else
384 # define ex_viminfo ex_ni
385 #endif
386 static void ex_behave __ARGS((exarg_T *eap));
387 #ifdef FEAT_AUTOCMD
388 static void ex_filetype __ARGS((exarg_T *eap));
389 static void ex_setfiletype __ARGS((exarg_T *eap));
390 #else
391 # define ex_filetype ex_ni
392 # define ex_setfiletype ex_ni
393 #endif
394 #ifndef FEAT_DIFF
395 # define ex_diffoff ex_ni
396 # define ex_diffpatch ex_ni
397 # define ex_diffgetput ex_ni
398 # define ex_diffsplit ex_ni
399 # define ex_diffthis ex_ni
400 # define ex_diffupdate ex_ni
401 #endif
402 static void ex_digraphs __ARGS((exarg_T *eap));
403 static void ex_set __ARGS((exarg_T *eap));
404 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
405 # define ex_options ex_ni
406 #endif
407 #ifdef FEAT_SEARCH_EXTRA
408 static void ex_nohlsearch __ARGS((exarg_T *eap));
409 static void ex_match __ARGS((exarg_T *eap));
410 #else
411 # define ex_nohlsearch ex_ni
412 # define ex_match ex_ni
413 #endif
414 #ifdef FEAT_CRYPT
415 static void ex_X __ARGS((exarg_T *eap));
416 #else
417 # define ex_X ex_ni
418 #endif
419 #ifdef FEAT_FOLDING
420 static void ex_fold __ARGS((exarg_T *eap));
421 static void ex_foldopen __ARGS((exarg_T *eap));
422 static void ex_folddo __ARGS((exarg_T *eap));
423 #else
424 # define ex_fold ex_ni
425 # define ex_foldopen ex_ni
426 # define ex_folddo ex_ni
427 #endif
428 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
429 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
430 # define ex_language ex_ni
431 #endif
432 #ifndef FEAT_SIGNS
433 # define ex_sign ex_ni
434 #endif
435 #ifndef FEAT_SUN_WORKSHOP
436 # define ex_wsverb ex_ni
437 #endif
438 #ifndef FEAT_NETBEANS_INTG
439 # define ex_nbkey ex_ni
440 #endif
441
442 #ifndef FEAT_EVAL
443 # define ex_debug ex_ni
444 # define ex_breakadd ex_ni
445 # define ex_debuggreedy ex_ni
446 # define ex_breakdel ex_ni
447 # define ex_breaklist ex_ni
448 #endif
449
450 #ifndef FEAT_CMDHIST
451 # define ex_history ex_ni
452 #endif
453 #ifndef FEAT_JUMPLIST
454 # define ex_jumps ex_ni
455 # define ex_changes ex_ni
456 #endif
457
458 #ifndef FEAT_PROFILE
459 # define ex_profile ex_ni
460 #endif
461
462 /*
463 * Declare cmdnames[].
464 */
465 #define DO_DECLARE_EXCMD
466 #include "ex_cmds.h"
467
468 /*
469 * Table used to quickly search for a command, based on its first character.
470 */
471 static cmdidx_T cmdidxs[27] =
472 {
473 CMD_append,
474 CMD_buffer,
475 CMD_change,
476 CMD_delete,
477 CMD_edit,
478 CMD_file,
479 CMD_global,
480 CMD_help,
481 CMD_insert,
482 CMD_join,
483 CMD_k,
484 CMD_list,
485 CMD_move,
486 CMD_next,
487 CMD_open,
488 CMD_print,
489 CMD_quit,
490 CMD_read,
491 CMD_substitute,
492 CMD_t,
493 CMD_undo,
494 CMD_vglobal,
495 CMD_write,
496 CMD_xit,
497 CMD_yank,
498 CMD_z,
499 CMD_bang
500 };
501
502 static char_u dollar_command[2] = {'$', 0};
503
504
505 #ifdef FEAT_EVAL
506 /* Struct for storing a line inside a while/for loop */
507 typedef struct
508 {
509 char_u *line; /* command line */
510 linenr_T lnum; /* sourcing_lnum of the line */
511 } wcmd_T;
512
513 /*
514 * Structure used to store info for line position in a while or for loop.
515 * This is required, because do_one_cmd() may invoke ex_function(), which
516 * reads more lines that may come from the while/for loop.
517 */
518 struct loop_cookie
519 {
520 garray_T *lines_gap; /* growarray with line info */
521 int current_line; /* last read line from growarray */
522 int repeating; /* TRUE when looping a second time */
523 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
524 char_u *(*getline) __ARGS((int, void *, int));
525 void *cookie;
526 };
527
528 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
529 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
530 static void free_cmdlines __ARGS((garray_T *gap));
531
532 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
533 struct dbg_stuff
534 {
535 int trylevel;
536 int force_abort;
537 except_T *caught_stack;
538 char_u *vv_exception;
539 char_u *vv_throwpoint;
540 int did_emsg;
541 int got_int;
542 int did_throw;
543 int need_rethrow;
544 int check_cstack;
545 except_T *current_exception;
546 };
547
548 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
549 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
550
551 static void
552 save_dbg_stuff(dsp)
553 struct dbg_stuff *dsp;
554 {
555 dsp->trylevel = trylevel; trylevel = 0;
556 dsp->force_abort = force_abort; force_abort = FALSE;
557 dsp->caught_stack = caught_stack; caught_stack = NULL;
558 dsp->vv_exception = v_exception(NULL);
559 dsp->vv_throwpoint = v_throwpoint(NULL);
560
561 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
562 dsp->did_emsg = did_emsg; did_emsg = FALSE;
563 dsp->got_int = got_int; got_int = FALSE;
564 dsp->did_throw = did_throw; did_throw = FALSE;
565 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
566 dsp->check_cstack = check_cstack; check_cstack = FALSE;
567 dsp->current_exception = current_exception; current_exception = NULL;
568 }
569
570 static void
571 restore_dbg_stuff(dsp)
572 struct dbg_stuff *dsp;
573 {
574 suppress_errthrow = FALSE;
575 trylevel = dsp->trylevel;
576 force_abort = dsp->force_abort;
577 caught_stack = dsp->caught_stack;
578 (void)v_exception(dsp->vv_exception);
579 (void)v_throwpoint(dsp->vv_throwpoint);
580 did_emsg = dsp->did_emsg;
581 got_int = dsp->got_int;
582 did_throw = dsp->did_throw;
583 need_rethrow = dsp->need_rethrow;
584 check_cstack = dsp->check_cstack;
585 current_exception = dsp->current_exception;
586 }
587 #endif
588
589
590 /*
591 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
592 * command is given.
593 */
594 void
595 do_exmode(improved)
596 int improved; /* TRUE for "improved Ex" mode */
597 {
598 int save_msg_scroll;
599 int prev_msg_row;
600 linenr_T prev_line;
601 int changedtick;
602
603 if (improved)
604 exmode_active = EXMODE_VIM;
605 else
606 exmode_active = EXMODE_NORMAL;
607 State = NORMAL;
608
609 /* When using ":global /pat/ visual" and then "Q" we return to continue
610 * the :global command. */
611 if (global_busy)
612 return;
613
614 save_msg_scroll = msg_scroll;
615 ++RedrawingDisabled; /* don't redisplay the window */
616 ++no_wait_return; /* don't wait for return */
617 #ifdef FEAT_GUI
618 /* Ignore scrollbar and mouse events in Ex mode */
619 ++hold_gui_events;
620 #endif
621 #ifdef FEAT_SNIFF
622 want_sniff_request = 0; /* No K_SNIFF wanted */
623 #endif
624
625 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
626 while (exmode_active)
627 {
628 #ifdef FEAT_EX_EXTRA
629 /* Check for a ":normal" command and no more characters left. */
630 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
631 {
632 exmode_active = FALSE;
633 break;
634 }
635 #endif
636 msg_scroll = TRUE;
637 need_wait_return = FALSE;
638 ex_pressedreturn = FALSE;
639 ex_no_reprint = FALSE;
640 changedtick = curbuf->b_changedtick;
641 prev_msg_row = msg_row;
642 prev_line = curwin->w_cursor.lnum;
643 #ifdef FEAT_SNIFF
644 ProcessSniffRequests();
645 #endif
646 if (improved)
647 {
648 cmdline_row = msg_row;
649 do_cmdline(NULL, getexline, NULL, 0);
650 }
651 else
652 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
653 lines_left = Rows - 1;
654
655 if ((prev_line != curwin->w_cursor.lnum
656 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
657 {
658 if (curbuf->b_ml.ml_flags & ML_EMPTY)
659 EMSG(_(e_emptybuf));
660 else
661 {
662 if (ex_pressedreturn)
663 {
664 /* go up one line, to overwrite the ":<CR>" line, so the
665 * output doesn't contain empty lines. */
666 msg_row = prev_msg_row;
667 if (prev_msg_row == Rows - 1)
668 msg_row--;
669 }
670 msg_col = 0;
671 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
672 msg_clr_eos();
673 }
674 }
675 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
676 {
677 if (curbuf->b_ml.ml_flags & ML_EMPTY)
678 EMSG(_(e_emptybuf));
679 else
680 EMSG(_("E501: At end-of-file"));
681 }
682 }
683
684 #ifdef FEAT_GUI
685 --hold_gui_events;
686 #endif
687 --RedrawingDisabled;
688 --no_wait_return;
689 update_screen(CLEAR);
690 need_wait_return = FALSE;
691 msg_scroll = save_msg_scroll;
692 }
693
694 /*
695 * Execute a simple command line. Used for translated commands like "*".
696 */
697 int
698 do_cmdline_cmd(cmd)
699 char_u *cmd;
700 {
701 return do_cmdline(cmd, NULL, NULL,
702 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
703 }
704
705 /*
706 * do_cmdline(): execute one Ex command line
707 *
708 * 1. Execute "cmdline" when it is not NULL.
709 * If "cmdline" is NULL, or more lines are needed, getline() is used.
710 * 2. Split up in parts separated with '|'.
711 *
712 * This function can be called recursively!
713 *
714 * flags:
715 * DOCMD_VERBOSE - The command will be included in the error message.
716 * DOCMD_NOWAIT - Don't call wait_return() and friends.
717 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
718 * DOCMD_KEYTYPED - Don't reset KeyTyped.
719 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
720 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
721 *
722 * return FAIL if cmdline could not be executed, OK otherwise
723 */
724 int
725 do_cmdline(cmdline, getline, cookie, flags)
726 char_u *cmdline;
727 char_u *(*getline) __ARGS((int, void *, int));
728 void *cookie; /* argument for getline() */
729 int flags;
730 {
731 char_u *next_cmdline; /* next cmd to execute */
732 char_u *cmdline_copy = NULL; /* copy of cmd line */
733 int used_getline = FALSE; /* used "getline" to obtain command */
734 static int recursive = 0; /* recursive depth */
735 int msg_didout_before_start = 0;
736 int count = 0; /* line number count */
737 int did_inc = FALSE; /* incremented RedrawingDisabled */
738 int retval = OK;
739 #ifdef FEAT_EVAL
740 struct condstack cstack; /* conditional stack */
741 garray_T lines_ga; /* keep lines for ":while"/":for" */
742 int current_line = 0; /* active line in lines_ga */
743 char_u *fname = NULL; /* function or script name */
744 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
745 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
746 struct dbg_stuff debug_saved; /* saved things for debug mode */
747 int initial_trylevel;
748 struct msglist **saved_msg_list = NULL;
749 struct msglist *private_msg_list;
750
751 /* "getline" and "cookie" passed to do_one_cmd() */
752 char_u *(*cmd_getline) __ARGS((int, void *, int));
753 void *cmd_cookie;
754 struct loop_cookie cmd_loop_cookie;
755 void *real_cookie;
756 int getline_is_func;
757 #else
758 # define cmd_getline getline
759 # define cmd_cookie cookie
760 #endif
761 static int call_depth = 0; /* recursiveness */
762
763 #ifdef FEAT_EVAL
764 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
765 * location for storing error messages to be converted to an exception.
766 * This ensures that the do_errthrow() call in do_one_cmd() does not
767 * combine the messages stored by an earlier invocation of do_one_cmd()
768 * with the command name of the later one. This would happen when
769 * BufWritePost autocommands are executed after a write error. */
770 saved_msg_list = msg_list;
771 msg_list = &private_msg_list;
772 private_msg_list = NULL;
773 #endif
774
775 /* It's possible to create an endless loop with ":execute", catch that
776 * here. The value of 200 allows nested function calls, ":source", etc. */
777 if (call_depth == 200)
778 {
779 EMSG(_("E169: Command too recursive"));
780 #ifdef FEAT_EVAL
781 /* When converting to an exception, we do not include the command name
782 * since this is not an error of the specific command. */
783 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
784 msg_list = saved_msg_list;
785 #endif
786 return FAIL;
787 }
788 ++call_depth;
789
790 #ifdef FEAT_EVAL
791 cstack.cs_idx = -1;
792 cstack.cs_looplevel = 0;
793 cstack.cs_trylevel = 0;
794 cstack.cs_emsg_silent_list = NULL;
795 cstack.cs_lflags = 0;
796 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
797
798 real_cookie = getline_cookie(getline, cookie);
799
800 /* Inside a function use a higher nesting level. */
801 getline_is_func = getline_equal(getline, cookie, get_func_line);
802 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
803 ++ex_nesting_level;
804
805 /* Get the function or script name and the address where the next breakpoint
806 * line and the debug tick for a function or script are stored. */
807 if (getline_is_func)
808 {
809 fname = func_name(real_cookie);
810 breakpoint = func_breakpoint(real_cookie);
811 dbg_tick = func_dbg_tick(real_cookie);
812 }
813 else if (getline_equal(getline, cookie, getsourceline))
814 {
815 fname = sourcing_name;
816 breakpoint = source_breakpoint(real_cookie);
817 dbg_tick = source_dbg_tick(real_cookie);
818 }
819
820 /*
821 * Initialize "force_abort" and "suppress_errthrow" at the top level.
822 */
823 if (!recursive)
824 {
825 force_abort = FALSE;
826 suppress_errthrow = FALSE;
827 }
828
829 /*
830 * If requested, store and reset the global values controlling the
831 * exception handling (used when debugging). Otherwise clear it to avoid
832 * a bogus compiler warning when the optimizer uses inline functions...
833 */
834 if (flags & DOCMD_EXCRESET)
835 save_dbg_stuff(&debug_saved);
836 else
837 memset(&debug_saved, 0, 1);
838
839 initial_trylevel = trylevel;
840
841 /*
842 * "did_throw" will be set to TRUE when an exception is being thrown.
843 */
844 did_throw = FALSE;
845 #endif
846 /*
847 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
848 * cancel the whole command line, and any if/endif or loop.
849 * If force_abort is set, we cancel everything.
850 */
851 did_emsg = FALSE;
852
853 /*
854 * KeyTyped is only set when calling vgetc(). Reset it here when not
855 * calling vgetc() (sourced command lines).
856 */
857 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
858 KeyTyped = FALSE;
859
860 /*
861 * Continue executing command lines:
862 * - when inside an ":if", ":while" or ":for"
863 * - for multiple commands on one line, separated with '|'
864 * - when repeating until there are no more lines (for ":source")
865 */
866 next_cmdline = cmdline;
867 do
868 {
869 #ifdef FEAT_EVAL
870 getline_is_func = getline_equal(getline, cookie, get_func_line);
871 #endif
872
873 /* stop skipping cmds for an error msg after all endif/while/for */
874 if (next_cmdline == NULL
875 #ifdef FEAT_EVAL
876 && !force_abort
877 && cstack.cs_idx < 0
878 && !(getline_is_func && func_has_abort(real_cookie))
879 #endif
880 )
881 did_emsg = FALSE;
882
883 /*
884 * 1. If repeating a line in a loop, get a line from lines_ga.
885 * 2. If no line given: Get an allocated line with getline().
886 * 3. If a line is given: Make a copy, so we can mess with it.
887 */
888
889 #ifdef FEAT_EVAL
890 /* 1. If repeating, get a previous line from lines_ga. */
891 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
892 {
893 /* Each '|' separated command is stored separately in lines_ga, to
894 * be able to jump to it. Don't use next_cmdline now. */
895 vim_free(cmdline_copy);
896 cmdline_copy = NULL;
897
898 /* Check if a function has returned or, unless it has an unclosed
899 * try conditional, aborted. */
900 if (getline_is_func)
901 {
902 # ifdef FEAT_PROFILE
903 if (do_profiling == PROF_YES)
904 func_line_end(real_cookie);
905 # endif
906 if (func_has_ended(real_cookie))
907 {
908 retval = FAIL;
909 break;
910 }
911 }
912 #ifdef FEAT_PROFILE
913 else if (do_profiling == PROF_YES
914 && getline_equal(getline, cookie, getsourceline))
915 script_line_end();
916 #endif
917
918 /* Check if a sourced file hit a ":finish" command. */
919 if (source_finished(getline, cookie))
920 {
921 retval = FAIL;
922 break;
923 }
924
925 /* If breakpoints have been added/deleted need to check for it. */
926 if (breakpoint != NULL && dbg_tick != NULL
927 && *dbg_tick != debug_tick)
928 {
929 *breakpoint = dbg_find_breakpoint(
930 getline_equal(getline, cookie, getsourceline),
931 fname, sourcing_lnum);
932 *dbg_tick = debug_tick;
933 }
934
935 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
936 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
937
938 /* Did we encounter a breakpoint? */
939 if (breakpoint != NULL && *breakpoint != 0
940 && *breakpoint <= sourcing_lnum)
941 {
942 dbg_breakpoint(fname, sourcing_lnum);
943 /* Find next breakpoint. */
944 *breakpoint = dbg_find_breakpoint(
945 getline_equal(getline, cookie, getsourceline),
946 fname, sourcing_lnum);
947 *dbg_tick = debug_tick;
948 }
949 # ifdef FEAT_PROFILE
950 if (do_profiling == PROF_YES)
951 {
952 if (getline_is_func)
953 func_line_start(real_cookie);
954 else if (getline_equal(getline, cookie, getsourceline))
955 script_line_start();
956 }
957 # endif
958 }
959
960 if (cstack.cs_looplevel > 0)
961 {
962 /* Inside a while/for loop we need to store the lines and use them
963 * again. Pass a different "getline" function to do_one_cmd()
964 * below, so that it stores lines in or reads them from
965 * "lines_ga". Makes it possible to define a function inside a
966 * while/for loop. */
967 cmd_getline = get_loop_line;
968 cmd_cookie = (void *)&cmd_loop_cookie;
969 cmd_loop_cookie.lines_gap = &lines_ga;
970 cmd_loop_cookie.current_line = current_line;
971 cmd_loop_cookie.getline = getline;
972 cmd_loop_cookie.cookie = cookie;
973 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
974 }
975 else
976 {
977 cmd_getline = getline;
978 cmd_cookie = cookie;
979 }
980 #endif
981
982 /* 2. If no line given, get an allocated line with getline(). */
983 if (next_cmdline == NULL)
984 {
985 /*
986 * Need to set msg_didout for the first line after an ":if",
987 * otherwise the ":if" will be overwritten.
988 */
989 if (count == 1 && getline_equal(getline, cookie, getexline))
990 msg_didout = TRUE;
991 if (getline == NULL || (next_cmdline = getline(':', cookie,
992 #ifdef FEAT_EVAL
993 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
994 #else
995 0
996 #endif
997 )) == NULL)
998 {
999 /* Don't call wait_return for aborted command line. The NULL
1000 * returned for the end of a sourced file or executed function
1001 * doesn't do this. */
1002 if (KeyTyped && !(flags & DOCMD_REPEAT))
1003 need_wait_return = FALSE;
1004 retval = FAIL;
1005 break;
1006 }
1007 used_getline = TRUE;
1008
1009 /*
1010 * Keep the first typed line. Clear it when more lines are typed.
1011 */
1012 if (flags & DOCMD_KEEPLINE)
1013 {
1014 vim_free(repeat_cmdline);
1015 if (count == 0)
1016 repeat_cmdline = vim_strsave(next_cmdline);
1017 else
1018 repeat_cmdline = NULL;
1019 }
1020 }
1021
1022 /* 3. Make a copy of the command so we can mess with it. */
1023 else if (cmdline_copy == NULL)
1024 {
1025 next_cmdline = vim_strsave(next_cmdline);
1026 if (next_cmdline == NULL)
1027 {
1028 EMSG(_(e_outofmem));
1029 retval = FAIL;
1030 break;
1031 }
1032 }
1033 cmdline_copy = next_cmdline;
1034
1035 #ifdef FEAT_EVAL
1036 /*
1037 * Save the current line when inside a ":while" or ":for", and when
1038 * the command looks like a ":while" or ":for", because we may need it
1039 * later. When there is a '|' and another command, it is stored
1040 * separately, because we need to be able to jump back to it from an
1041 * :endwhile/:endfor.
1042 */
1043 if (current_line == lines_ga.ga_len
1044 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1045 {
1046 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1047 {
1048 retval = FAIL;
1049 break;
1050 }
1051 }
1052 did_endif = FALSE;
1053 #endif
1054
1055 if (count++ == 0)
1056 {
1057 /*
1058 * All output from the commands is put below each other, without
1059 * waiting for a return. Don't do this when executing commands
1060 * from a script or when being called recursive (e.g. for ":e
1061 * +command file").
1062 */
1063 if (!(flags & DOCMD_NOWAIT) && !recursive)
1064 {
1065 msg_didout_before_start = msg_didout;
1066 msg_didany = FALSE; /* no output yet */
1067 msg_start();
1068 msg_scroll = TRUE; /* put messages below each other */
1069 ++no_wait_return; /* dont wait for return until finished */
1070 ++RedrawingDisabled;
1071 did_inc = TRUE;
1072 }
1073 }
1074
1075 if (p_verbose >= 15 && sourcing_name != NULL)
1076 {
1077 ++no_wait_return;
1078 verbose_enter_scroll();
1079
1080 smsg((char_u *)_("line %ld: %s"),
1081 (long)sourcing_lnum, cmdline_copy);
1082 if (msg_silent == 0)
1083 msg_puts((char_u *)"\n"); /* don't overwrite this */
1084
1085 verbose_leave_scroll();
1086 --no_wait_return;
1087 }
1088
1089 /*
1090 * 2. Execute one '|' separated command.
1091 * do_one_cmd() will return NULL if there is no trailing '|'.
1092 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1093 */
1094 ++recursive;
1095 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1096 #ifdef FEAT_EVAL
1097 &cstack,
1098 #endif
1099 cmd_getline, cmd_cookie);
1100 --recursive;
1101
1102 #ifdef FEAT_EVAL
1103 if (cmd_cookie == (void *)&cmd_loop_cookie)
1104 /* Use "current_line" from "cmd_loop_cookie", it may have been
1105 * incremented when defining a function. */
1106 current_line = cmd_loop_cookie.current_line;
1107 #endif
1108
1109 if (next_cmdline == NULL)
1110 {
1111 vim_free(cmdline_copy);
1112 cmdline_copy = NULL;
1113 #ifdef FEAT_CMDHIST
1114 /*
1115 * If the command was typed, remember it for the ':' register.
1116 * Do this AFTER executing the command to make :@: work.
1117 */
1118 if (getline_equal(getline, cookie, getexline)
1119 && new_last_cmdline != NULL)
1120 {
1121 vim_free(last_cmdline);
1122 last_cmdline = new_last_cmdline;
1123 new_last_cmdline = NULL;
1124 }
1125 #endif
1126 }
1127 else
1128 {
1129 /* need to copy the command after the '|' to cmdline_copy, for the
1130 * next do_one_cmd() */
1131 STRMOVE(cmdline_copy, next_cmdline);
1132 next_cmdline = cmdline_copy;
1133 }
1134
1135
1136 #ifdef FEAT_EVAL
1137 /* reset did_emsg for a function that is not aborted by an error */
1138 if (did_emsg && !force_abort
1139 && getline_equal(getline, cookie, get_func_line)
1140 && !func_has_abort(real_cookie))
1141 did_emsg = FALSE;
1142
1143 if (cstack.cs_looplevel > 0)
1144 {
1145 ++current_line;
1146
1147 /*
1148 * An ":endwhile", ":endfor" and ":continue" is handled here.
1149 * If we were executing commands, jump back to the ":while" or
1150 * ":for".
1151 * If we were not executing commands, decrement cs_looplevel.
1152 */
1153 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1154 {
1155 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1156
1157 /* Jump back to the matching ":while" or ":for". Be careful
1158 * not to use a cs_line[] from an entry that isn't a ":while"
1159 * or ":for": It would make "current_line" invalid and can
1160 * cause a crash. */
1161 if (!did_emsg && !got_int && !did_throw
1162 && cstack.cs_idx >= 0
1163 && (cstack.cs_flags[cstack.cs_idx]
1164 & (CSF_WHILE | CSF_FOR))
1165 && cstack.cs_line[cstack.cs_idx] >= 0
1166 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1167 {
1168 current_line = cstack.cs_line[cstack.cs_idx];
1169 /* remember we jumped there */
1170 cstack.cs_lflags |= CSL_HAD_LOOP;
1171 line_breakcheck(); /* check if CTRL-C typed */
1172
1173 /* Check for the next breakpoint at or after the ":while"
1174 * or ":for". */
1175 if (breakpoint != NULL)
1176 {
1177 *breakpoint = dbg_find_breakpoint(
1178 getline_equal(getline, cookie, getsourceline),
1179 fname,
1180 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1181 *dbg_tick = debug_tick;
1182 }
1183 }
1184 else
1185 {
1186 /* can only get here with ":endwhile" or ":endfor" */
1187 if (cstack.cs_idx >= 0)
1188 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1189 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1190 }
1191 }
1192
1193 /*
1194 * For a ":while" or ":for" we need to remember the line number.
1195 */
1196 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1197 {
1198 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1199 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1200 }
1201 }
1202
1203 /*
1204 * When not inside any ":while" loop, clear remembered lines.
1205 */
1206 if (cstack.cs_looplevel == 0)
1207 {
1208 if (lines_ga.ga_len > 0)
1209 {
1210 sourcing_lnum =
1211 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1212 free_cmdlines(&lines_ga);
1213 }
1214 current_line = 0;
1215 }
1216
1217 /*
1218 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1219 * being restored at the ":endtry". Reset them here and set the
1220 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1221 * This includes the case where a missing ":endif", ":endwhile" or
1222 * ":endfor" was detected by the ":finally" itself.
1223 */
1224 if (cstack.cs_lflags & CSL_HAD_FINA)
1225 {
1226 cstack.cs_lflags &= ~CSL_HAD_FINA;
1227 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1228 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1229 did_throw ? (void *)current_exception : NULL);
1230 did_emsg = got_int = did_throw = FALSE;
1231 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1232 }
1233
1234 /* Update global "trylevel" for recursive calls to do_cmdline() from
1235 * within this loop. */
1236 trylevel = initial_trylevel + cstack.cs_trylevel;
1237
1238 /*
1239 * If the outermost try conditional (across function calls and sourced
1240 * files) is aborted because of an error, an interrupt, or an uncaught
1241 * exception, cancel everything. If it is left normally, reset
1242 * force_abort to get the non-EH compatible abortion behavior for
1243 * the rest of the script.
1244 */
1245 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1246 force_abort = FALSE;
1247
1248 /* Convert an interrupt to an exception if appropriate. */
1249 (void)do_intthrow(&cstack);
1250 #endif /* FEAT_EVAL */
1251
1252 }
1253 /*
1254 * Continue executing command lines when:
1255 * - no CTRL-C typed, no aborting error, no exception thrown or try
1256 * conditionals need to be checked for executing finally clauses or
1257 * catching an interrupt exception
1258 * - didn't get an error message or lines are not typed
1259 * - there is a command after '|', inside a :if, :while, :for or :try, or
1260 * looping for ":source" command or function call.
1261 */
1262 while (!((got_int
1263 #ifdef FEAT_EVAL
1264 || (did_emsg && force_abort) || did_throw
1265 #endif
1266 )
1267 #ifdef FEAT_EVAL
1268 && cstack.cs_trylevel == 0
1269 #endif
1270 )
1271 && !(did_emsg && used_getline
1272 && (getline_equal(getline, cookie, getexmodeline)
1273 || getline_equal(getline, cookie, getexline)))
1274 && (next_cmdline != NULL
1275 #ifdef FEAT_EVAL
1276 || cstack.cs_idx >= 0
1277 #endif
1278 || (flags & DOCMD_REPEAT)));
1279
1280 vim_free(cmdline_copy);
1281 #ifdef FEAT_EVAL
1282 free_cmdlines(&lines_ga);
1283 ga_clear(&lines_ga);
1284
1285 if (cstack.cs_idx >= 0)
1286 {
1287 /*
1288 * If a sourced file or executed function ran to its end, report the
1289 * unclosed conditional.
1290 */
1291 if (!got_int && !did_throw
1292 && ((getline_equal(getline, cookie, getsourceline)
1293 && !source_finished(getline, cookie))
1294 || (getline_equal(getline, cookie, get_func_line)
1295 && !func_has_ended(real_cookie))))
1296 {
1297 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1298 EMSG(_(e_endtry));
1299 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1300 EMSG(_(e_endwhile));
1301 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1302 EMSG(_(e_endfor));
1303 else
1304 EMSG(_(e_endif));
1305 }
1306
1307 /*
1308 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1309 * ":endtry" in a sourced file or executed function. If the try
1310 * conditional is in its finally clause, ignore anything pending.
1311 * If it is in a catch clause, finish the caught exception.
1312 * Also cleanup any "cs_forinfo" structures.
1313 */
1314 do
1315 {
1316 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1317
1318 if (idx >= 0)
1319 --idx; /* remove try block not in its finally clause */
1320 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1321 &cstack.cs_looplevel);
1322 }
1323 while (cstack.cs_idx >= 0);
1324 trylevel = initial_trylevel;
1325 }
1326
1327 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1328 * lack was reported above and the error message is to be converted to an
1329 * exception, do this now after rewinding the cstack. */
1330 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1331 ? (char_u *)"endfunction" : (char_u *)NULL);
1332
1333 if (trylevel == 0)
1334 {
1335 /*
1336 * When an exception is being thrown out of the outermost try
1337 * conditional, discard the uncaught exception, disable the conversion
1338 * of interrupts or errors to exceptions, and ensure that no more
1339 * commands are executed.
1340 */
1341 if (did_throw)
1342 {
1343 void *p = NULL;
1344 char_u *saved_sourcing_name;
1345 int saved_sourcing_lnum;
1346 struct msglist *messages = NULL, *next;
1347
1348 /*
1349 * If the uncaught exception is a user exception, report it as an
1350 * error. If it is an error exception, display the saved error
1351 * message now. For an interrupt exception, do nothing; the
1352 * interrupt message is given elsewhere.
1353 */
1354 switch (current_exception->type)
1355 {
1356 case ET_USER:
1357 vim_snprintf((char *)IObuff, IOSIZE,
1358 _("E605: Exception not caught: %s"),
1359 current_exception->value);
1360 p = vim_strsave(IObuff);
1361 break;
1362 case ET_ERROR:
1363 messages = current_exception->messages;
1364 current_exception->messages = NULL;
1365 break;
1366 case ET_INTERRUPT:
1367 break;
1368 default:
1369 p = vim_strsave((char_u *)_(e_internal));
1370 }
1371
1372 saved_sourcing_name = sourcing_name;
1373 saved_sourcing_lnum = sourcing_lnum;
1374 sourcing_name = current_exception->throw_name;
1375 sourcing_lnum = current_exception->throw_lnum;
1376 current_exception->throw_name = NULL;
1377
1378 discard_current_exception(); /* uses IObuff if 'verbose' */
1379 suppress_errthrow = TRUE;
1380 force_abort = TRUE;
1381
1382 if (messages != NULL)
1383 {
1384 do
1385 {
1386 next = messages->next;
1387 emsg(messages->msg);
1388 vim_free(messages->msg);
1389 vim_free(messages);
1390 messages = next;
1391 }
1392 while (messages != NULL);
1393 }
1394 else if (p != NULL)
1395 {
1396 emsg(p);
1397 vim_free(p);
1398 }
1399 vim_free(sourcing_name);
1400 sourcing_name = saved_sourcing_name;
1401 sourcing_lnum = saved_sourcing_lnum;
1402 }
1403
1404 /*
1405 * On an interrupt or an aborting error not converted to an exception,
1406 * disable the conversion of errors to exceptions. (Interrupts are not
1407 * converted any more, here.) This enables also the interrupt message
1408 * when force_abort is set and did_emsg unset in case of an interrupt
1409 * from a finally clause after an error.
1410 */
1411 else if (got_int || (did_emsg && force_abort))
1412 suppress_errthrow = TRUE;
1413 }
1414
1415 /*
1416 * The current cstack will be freed when do_cmdline() returns. An uncaught
1417 * exception will have to be rethrown in the previous cstack. If a function
1418 * has just returned or a script file was just finished and the previous
1419 * cstack belongs to the same function or, respectively, script file, it
1420 * will have to be checked for finally clauses to be executed due to the
1421 * ":return" or ":finish". This is done in do_one_cmd().
1422 */
1423 if (did_throw)
1424 need_rethrow = TRUE;
1425 if ((getline_equal(getline, cookie, getsourceline)
1426 && ex_nesting_level > source_level(real_cookie))
1427 || (getline_equal(getline, cookie, get_func_line)
1428 && ex_nesting_level > func_level(real_cookie) + 1))
1429 {
1430 if (!did_throw)
1431 check_cstack = TRUE;
1432 }
1433 else
1434 {
1435 /* When leaving a function, reduce nesting level. */
1436 if (getline_equal(getline, cookie, get_func_line))
1437 --ex_nesting_level;
1438 /*
1439 * Go to debug mode when returning from a function in which we are
1440 * single-stepping.
1441 */
1442 if ((getline_equal(getline, cookie, getsourceline)
1443 || getline_equal(getline, cookie, get_func_line))
1444 && ex_nesting_level + 1 <= debug_break_level)
1445 do_debug(getline_equal(getline, cookie, getsourceline)
1446 ? (char_u *)_("End of sourced file")
1447 : (char_u *)_("End of function"));
1448 }
1449
1450 /*
1451 * Restore the exception environment (done after returning from the
1452 * debugger).
1453 */
1454 if (flags & DOCMD_EXCRESET)
1455 restore_dbg_stuff(&debug_saved);
1456
1457 msg_list = saved_msg_list;
1458 #endif /* FEAT_EVAL */
1459
1460 /*
1461 * If there was too much output to fit on the command line, ask the user to
1462 * hit return before redrawing the screen. With the ":global" command we do
1463 * this only once after the command is finished.
1464 */
1465 if (did_inc)
1466 {
1467 --RedrawingDisabled;
1468 --no_wait_return;
1469 msg_scroll = FALSE;
1470
1471 /*
1472 * When just finished an ":if"-":else" which was typed, no need to
1473 * wait for hit-return. Also for an error situation.
1474 */
1475 if (retval == FAIL
1476 #ifdef FEAT_EVAL
1477 || (did_endif && KeyTyped && !did_emsg)
1478 #endif
1479 )
1480 {
1481 need_wait_return = FALSE;
1482 msg_didany = FALSE; /* don't wait when restarting edit */
1483 }
1484 else if (need_wait_return)
1485 {
1486 /*
1487 * The msg_start() above clears msg_didout. The wait_return we do
1488 * here should not overwrite the command that may be shown before
1489 * doing that.
1490 */
1491 msg_didout |= msg_didout_before_start;
1492 wait_return(FALSE);
1493 }
1494 }
1495
1496 #ifndef FEAT_EVAL
1497 /*
1498 * Reset if_level, in case a sourced script file contains more ":if" than
1499 * ":endif" (could be ":if x | foo | endif").
1500 */
1501 if_level = 0;
1502 #endif
1503
1504 --call_depth;
1505 return retval;
1506 }
1507
1508 #ifdef FEAT_EVAL
1509 /*
1510 * Obtain a line when inside a ":while" or ":for" loop.
1511 */
1512 static char_u *
1513 get_loop_line(c, cookie, indent)
1514 int c;
1515 void *cookie;
1516 int indent;
1517 {
1518 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1519 wcmd_T *wp;
1520 char_u *line;
1521
1522 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1523 {
1524 if (cp->repeating)
1525 return NULL; /* trying to read past ":endwhile"/":endfor" */
1526
1527 /* First time inside the ":while"/":for": get line normally. */
1528 if (cp->getline == NULL)
1529 line = getcmdline(c, 0L, indent);
1530 else
1531 line = cp->getline(c, cp->cookie, indent);
1532 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1533 ++cp->current_line;
1534
1535 return line;
1536 }
1537
1538 KeyTyped = FALSE;
1539 ++cp->current_line;
1540 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1541 sourcing_lnum = wp->lnum;
1542 return vim_strsave(wp->line);
1543 }
1544
1545 /*
1546 * Store a line in "gap" so that a ":while" loop can execute it again.
1547 */
1548 static int
1549 store_loop_line(gap, line)
1550 garray_T *gap;
1551 char_u *line;
1552 {
1553 if (ga_grow(gap, 1) == FAIL)
1554 return FAIL;
1555 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1556 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1557 ++gap->ga_len;
1558 return OK;
1559 }
1560
1561 /*
1562 * Free the lines stored for a ":while" or ":for" loop.
1563 */
1564 static void
1565 free_cmdlines(gap)
1566 garray_T *gap;
1567 {
1568 while (gap->ga_len > 0)
1569 {
1570 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1571 --gap->ga_len;
1572 }
1573 }
1574 #endif
1575
1576 /*
1577 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1578 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1579 */
1580 /*ARGSUSED*/
1581 int
1582 getline_equal(fgetline, cookie, func)
1583 char_u *(*fgetline) __ARGS((int, void *, int));
1584 void *cookie; /* argument for fgetline() */
1585 char_u *(*func) __ARGS((int, void *, int));
1586 {
1587 #ifdef FEAT_EVAL
1588 char_u *(*gp) __ARGS((int, void *, int));
1589 struct loop_cookie *cp;
1590
1591 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1592 * function that's originally used to obtain the lines. This may be
1593 * nested several levels. */
1594 gp = fgetline;
1595 cp = (struct loop_cookie *)cookie;
1596 while (gp == get_loop_line)
1597 {
1598 gp = cp->getline;
1599 cp = cp->cookie;
1600 }
1601 return gp == func;
1602 #else
1603 return fgetline == func;
1604 #endif
1605 }
1606
1607 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1608 /*
1609 * If "fgetline" is get_loop_line(), return the cookie used by the original
1610 * getline function. Otherwise return "cookie".
1611 */
1612 /*ARGSUSED*/
1613 void *
1614 getline_cookie(fgetline, cookie)
1615 char_u *(*fgetline) __ARGS((int, void *, int));
1616 void *cookie; /* argument for fgetline() */
1617 {
1618 # ifdef FEAT_EVAL
1619 char_u *(*gp) __ARGS((int, void *, int));
1620 struct loop_cookie *cp;
1621
1622 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1623 * cookie that's originally used to obtain the lines. This may be nested
1624 * several levels. */
1625 gp = fgetline;
1626 cp = (struct loop_cookie *)cookie;
1627 while (gp == get_loop_line)
1628 {
1629 gp = cp->getline;
1630 cp = cp->cookie;
1631 }
1632 return cp;
1633 # else
1634 return cookie;
1635 # endif
1636 }
1637 #endif
1638
1639 /*
1640 * Execute one Ex command.
1641 *
1642 * If 'sourcing' is TRUE, the command will be included in the error message.
1643 *
1644 * 1. skip comment lines and leading space
1645 * 2. handle command modifiers
1646 * 3. parse range
1647 * 4. parse command
1648 * 5. parse arguments
1649 * 6. switch on command name
1650 *
1651 * Note: "fgetline" can be NULL.
1652 *
1653 * This function may be called recursively!
1654 */
1655 #if (_MSC_VER == 1200)
1656 /*
1657 * Avoid optimisation bug in VC++ version 6.0
1658 */
1659 #pragma optimize( "g", off )
1660 #endif
1661 static char_u *
1662 do_one_cmd(cmdlinep, sourcing,
1663 #ifdef FEAT_EVAL
1664 cstack,
1665 #endif
1666 fgetline, cookie)
1667 char_u **cmdlinep;
1668 int sourcing;
1669 #ifdef FEAT_EVAL
1670 struct condstack *cstack;
1671 #endif
1672 char_u *(*fgetline) __ARGS((int, void *, int));
1673 void *cookie; /* argument for fgetline() */
1674 {
1675 char_u *p;
1676 linenr_T lnum;
1677 long n;
1678 char_u *errormsg = NULL; /* error message */
1679 exarg_T ea; /* Ex command arguments */
1680 long verbose_save = -1;
1681 int save_msg_scroll = 0;
1682 int did_silent = 0;
1683 int did_esilent = 0;
1684 #ifdef HAVE_SANDBOX
1685 int did_sandbox = FALSE;
1686 #endif
1687 cmdmod_T save_cmdmod;
1688 int ni; /* set when Not Implemented */
1689
1690 vim_memset(&ea, 0, sizeof(ea));
1691 ea.line1 = 1;
1692 ea.line2 = 1;
1693 #ifdef FEAT_EVAL
1694 ++ex_nesting_level;
1695 #endif
1696
1697 /* when not editing the last file :q has to be typed twice */
1698 if (quitmore
1699 #ifdef FEAT_EVAL
1700 /* avoid that a function call in 'statusline' does this */
1701 && !getline_equal(fgetline, cookie, get_func_line)
1702 #endif
1703 )
1704 --quitmore;
1705
1706 /*
1707 * Reset browse, confirm, etc.. They are restored when returning, for
1708 * recursive calls.
1709 */
1710 save_cmdmod = cmdmod;
1711 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1712
1713 /* "#!anything" is handled like a comment. */
1714 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1715 goto doend;
1716
1717 /*
1718 * Repeat until no more command modifiers are found.
1719 */
1720 ea.cmd = *cmdlinep;
1721 for (;;)
1722 {
1723 /*
1724 * 1. skip comment lines and leading white space and colons
1725 */
1726 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1727 ++ea.cmd;
1728
1729 /* in ex mode, an empty line works like :+ */
1730 if (*ea.cmd == NUL && exmode_active
1731 && (getline_equal(fgetline, cookie, getexmodeline)
1732 || getline_equal(fgetline, cookie, getexline))
1733 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1734 {
1735 ea.cmd = (char_u *)"+";
1736 ex_pressedreturn = TRUE;
1737 }
1738
1739 /* ignore comment and empty lines */
1740 if (*ea.cmd == '"')
1741 goto doend;
1742 if (*ea.cmd == NUL)
1743 {
1744 ex_pressedreturn = TRUE;
1745 goto doend;
1746 }
1747
1748 /*
1749 * 2. handle command modifiers.
1750 */
1751 p = ea.cmd;
1752 if (VIM_ISDIGIT(*ea.cmd))
1753 p = skipwhite(skipdigits(ea.cmd));
1754 switch (*p)
1755 {
1756 /* When adding an entry, also modify cmd_exists(). */
1757 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1758 break;
1759 #ifdef FEAT_WINDOWS
1760 cmdmod.split |= WSP_ABOVE;
1761 #endif
1762 continue;
1763
1764 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1765 {
1766 #ifdef FEAT_WINDOWS
1767 cmdmod.split |= WSP_BELOW;
1768 #endif
1769 continue;
1770 }
1771 if (checkforcmd(&ea.cmd, "browse", 3))
1772 {
1773 #ifdef FEAT_BROWSE
1774 cmdmod.browse = TRUE;
1775 #endif
1776 continue;
1777 }
1778 if (!checkforcmd(&ea.cmd, "botright", 2))
1779 break;
1780 #ifdef FEAT_WINDOWS
1781 cmdmod.split |= WSP_BOT;
1782 #endif
1783 continue;
1784
1785 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1786 break;
1787 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1788 cmdmod.confirm = TRUE;
1789 #endif
1790 continue;
1791
1792 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1793 {
1794 cmdmod.keepmarks = TRUE;
1795 continue;
1796 }
1797 if (checkforcmd(&ea.cmd, "keepalt", 5))
1798 {
1799 cmdmod.keepalt = TRUE;
1800 continue;
1801 }
1802 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1803 break;
1804 cmdmod.keepjumps = TRUE;
1805 continue;
1806
1807 /* ":hide" and ":hide | cmd" are not modifiers */
1808 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1809 || *p == NUL || ends_excmd(*p))
1810 break;
1811 ea.cmd = p;
1812 cmdmod.hide = TRUE;
1813 continue;
1814
1815 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1816 {
1817 cmdmod.lockmarks = TRUE;
1818 continue;
1819 }
1820
1821 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1822 break;
1823 #ifdef FEAT_WINDOWS
1824 cmdmod.split |= WSP_ABOVE;
1825 #endif
1826 continue;
1827
1828 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1829 break;
1830 #ifdef FEAT_AUTOCMD
1831 if (cmdmod.save_ei == NULL)
1832 {
1833 /* Set 'eventignore' to "all". Restore the
1834 * existing option value later. */
1835 cmdmod.save_ei = vim_strsave(p_ei);
1836 set_string_option_direct((char_u *)"ei", -1,
1837 (char_u *)"all", OPT_FREE, SID_NONE);
1838 }
1839 #endif
1840 continue;
1841
1842 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1843 break;
1844 #ifdef FEAT_WINDOWS
1845 cmdmod.split |= WSP_BELOW;
1846 #endif
1847 continue;
1848
1849 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1850 {
1851 #ifdef HAVE_SANDBOX
1852 if (!did_sandbox)
1853 ++sandbox;
1854 did_sandbox = TRUE;
1855 #endif
1856 continue;
1857 }
1858 if (!checkforcmd(&ea.cmd, "silent", 3))
1859 break;
1860 ++did_silent;
1861 ++msg_silent;
1862 save_msg_scroll = msg_scroll;
1863 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1864 {
1865 /* ":silent!", but not "silent !cmd" */
1866 ea.cmd = skipwhite(ea.cmd + 1);
1867 ++emsg_silent;
1868 ++did_esilent;
1869 }
1870 continue;
1871
1872 case 't': if (checkforcmd(&p, "tab", 3))
1873 {
1874 #ifdef FEAT_WINDOWS
1875 if (vim_isdigit(*ea.cmd))
1876 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1877 else
1878 cmdmod.tab = tabpage_index(curtab) + 1;
1879 ea.cmd = p;
1880 #endif
1881 continue;
1882 }
1883 if (!checkforcmd(&ea.cmd, "topleft", 2))
1884 break;
1885 #ifdef FEAT_WINDOWS
1886 cmdmod.split |= WSP_TOP;
1887 #endif
1888 continue;
1889
1890 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1891 {
1892 #ifdef FEAT_VERTSPLIT
1893 cmdmod.split |= WSP_VERT;
1894 #endif
1895 continue;
1896 }
1897 if (!checkforcmd(&p, "verbose", 4))
1898 break;
1899 if (verbose_save < 0)
1900 verbose_save = p_verbose;
1901 if (vim_isdigit(*ea.cmd))
1902 p_verbose = atoi((char *)ea.cmd);
1903 else
1904 p_verbose = 1;
1905 ea.cmd = p;
1906 continue;
1907 }
1908 break;
1909 }
1910
1911 #ifdef FEAT_EVAL
1912 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1913 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1914 #else
1915 ea.skip = (if_level > 0);
1916 #endif
1917
1918 #ifdef FEAT_EVAL
1919 # ifdef FEAT_PROFILE
1920 /* Count this line for profiling if ea.skip is FALSE. */
1921 if (do_profiling == PROF_YES && !ea.skip)
1922 {
1923 if (getline_equal(fgetline, cookie, get_func_line))
1924 func_line_exec(getline_cookie(fgetline, cookie));
1925 else if (getline_equal(fgetline, cookie, getsourceline))
1926 script_line_exec();
1927 }
1928 #endif
1929
1930 /* May go to debug mode. If this happens and the ">quit" debug command is
1931 * used, throw an interrupt exception and skip the next command. */
1932 dbg_check_breakpoint(&ea);
1933 if (!ea.skip && got_int)
1934 {
1935 ea.skip = TRUE;
1936 (void)do_intthrow(cstack);
1937 }
1938 #endif
1939
1940 /*
1941 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1942 *
1943 * where 'addr' is:
1944 *
1945 * % (entire file)
1946 * $ [+-NUM]
1947 * 'x [+-NUM] (where x denotes a currently defined mark)
1948 * . [+-NUM]
1949 * [+-NUM]..
1950 * NUM
1951 *
1952 * The ea.cmd pointer is updated to point to the first character following the
1953 * range spec. If an initial address is found, but no second, the upper bound
1954 * is equal to the lower.
1955 */
1956
1957 /* repeat for all ',' or ';' separated addresses */
1958 for (;;)
1959 {
1960 ea.line1 = ea.line2;
1961 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1962 ea.cmd = skipwhite(ea.cmd);
1963 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1964 if (ea.cmd == NULL) /* error detected */
1965 goto doend;
1966 if (lnum == MAXLNUM)
1967 {
1968 if (*ea.cmd == '%') /* '%' - all lines */
1969 {
1970 ++ea.cmd;
1971 ea.line1 = 1;
1972 ea.line2 = curbuf->b_ml.ml_line_count;
1973 ++ea.addr_count;
1974 }
1975 /* '*' - visual area */
1976 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1977 {
1978 pos_T *fp;
1979
1980 ++ea.cmd;
1981 if (!ea.skip)
1982 {
1983 fp = getmark('<', FALSE);
1984 if (check_mark(fp) == FAIL)
1985 goto doend;
1986 ea.line1 = fp->lnum;
1987 fp = getmark('>', FALSE);
1988 if (check_mark(fp) == FAIL)
1989 goto doend;
1990 ea.line2 = fp->lnum;
1991 ++ea.addr_count;
1992 }
1993 }
1994 }
1995 else
1996 ea.line2 = lnum;
1997 ea.addr_count++;
1998
1999 if (*ea.cmd == ';')
2000 {
2001 if (!ea.skip)
2002 curwin->w_cursor.lnum = ea.line2;
2003 }
2004 else if (*ea.cmd != ',')
2005 break;
2006 ++ea.cmd;
2007 }
2008
2009 /* One address given: set start and end lines */
2010 if (ea.addr_count == 1)
2011 {
2012 ea.line1 = ea.line2;
2013 /* ... but only implicit: really no address given */
2014 if (lnum == MAXLNUM)
2015 ea.addr_count = 0;
2016 }
2017
2018 /* Don't leave the cursor on an illegal line (caused by ';') */
2019 check_cursor_lnum();
2020
2021 /*
2022 * 4. parse command
2023 */
2024
2025 /*
2026 * Skip ':' and any white space
2027 */
2028 ea.cmd = skipwhite(ea.cmd);
2029 while (*ea.cmd == ':')
2030 ea.cmd = skipwhite(ea.cmd + 1);
2031
2032 /*
2033 * If we got a line, but no command, then go to the line.
2034 * If we find a '|' or '\n' we set ea.nextcmd.
2035 */
2036 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2037 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2038 {
2039 /*
2040 * strange vi behaviour:
2041 * ":3" jumps to line 3
2042 * ":3|..." prints line 3
2043 * ":|" prints current line
2044 */
2045 if (ea.skip) /* skip this if inside :if */
2046 goto doend;
2047 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2048 {
2049 ea.cmdidx = CMD_print;
2050 ea.argt = RANGE+COUNT+TRLBAR;
2051 if ((errormsg = invalid_range(&ea)) == NULL)
2052 {
2053 correct_range(&ea);
2054 ex_print(&ea);
2055 }
2056 }
2057 else if (ea.addr_count != 0)
2058 {
2059 if (ea.line2 > curbuf->b_ml.ml_line_count)
2060 {
2061 /* With '-' in 'cpoptions' a line number past the file is an
2062 * error, otherwise put it at the end of the file. */
2063 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2064 ea.line2 = -1;
2065 else
2066 ea.line2 = curbuf->b_ml.ml_line_count;
2067 }
2068
2069 if (ea.line2 < 0)
2070 errormsg = (char_u *)_(e_invrange);
2071 else
2072 {
2073 if (ea.line2 == 0)
2074 curwin->w_cursor.lnum = 1;
2075 else
2076 curwin->w_cursor.lnum = ea.line2;
2077 beginline(BL_SOL | BL_FIX);
2078 }
2079 }
2080 goto doend;
2081 }
2082
2083 /* Find the command and let "p" point to after it. */
2084 p = find_command(&ea, NULL);
2085
2086 #ifdef FEAT_USR_CMDS
2087 if (p == NULL)
2088 {
2089 if (!ea.skip)
2090 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2091 goto doend;
2092 }
2093 /* Check for wrong commands. */
2094 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2095 {
2096 errormsg = uc_fun_cmd();
2097 goto doend;
2098 }
2099 #endif
2100 if (ea.cmdidx == CMD_SIZE)
2101 {
2102 if (!ea.skip)
2103 {
2104 STRCPY(IObuff, _("E492: Not an editor command"));
2105 if (!sourcing)
2106 {
2107 STRCAT(IObuff, ": ");
2108 STRNCAT(IObuff, *cmdlinep, 40);
2109 }
2110 errormsg = IObuff;
2111 }
2112 goto doend;
2113 }
2114
2115 ni = (
2116 #ifdef FEAT_USR_CMDS
2117 !USER_CMDIDX(ea.cmdidx) &&
2118 #endif
2119 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2120 #ifdef HAVE_EX_SCRIPT_NI
2121 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2122 #endif
2123 ));
2124
2125 #ifndef FEAT_EVAL
2126 /*
2127 * When the expression evaluation is disabled, recognize the ":if" and
2128 * ":endif" commands and ignore everything in between it.
2129 */
2130 if (ea.cmdidx == CMD_if)
2131 ++if_level;
2132 if (if_level)
2133 {
2134 if (ea.cmdidx == CMD_endif)
2135 --if_level;
2136 goto doend;
2137 }
2138
2139 #endif
2140
2141 /* forced commands */
2142 if (*p == '!' && ea.cmdidx != CMD_substitute
2143 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2144 {
2145 ++p;
2146 ea.forceit = TRUE;
2147 }
2148 else
2149 ea.forceit = FALSE;
2150
2151 /*
2152 * 5. parse arguments
2153 */
2154 #ifdef FEAT_USR_CMDS
2155 if (!USER_CMDIDX(ea.cmdidx))
2156 #endif
2157 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2158
2159 if (!ea.skip)
2160 {
2161 #ifdef HAVE_SANDBOX
2162 if (sandbox != 0 && !(ea.argt & SBOXOK))
2163 {
2164 /* Command not allowed in sandbox. */
2165 errormsg = (char_u *)_(e_sandbox);
2166 goto doend;
2167 }
2168 #endif
2169 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2170 {
2171 /* Command not allowed in non-'modifiable' buffer */
2172 errormsg = (char_u *)_(e_modifiable);
2173 goto doend;
2174 }
2175
2176 if (text_locked() && !(ea.argt & CMDWIN)
2177 # ifdef FEAT_USR_CMDS
2178 && !USER_CMDIDX(ea.cmdidx)
2179 # endif
2180 )
2181 {
2182 /* Command not allowed when editing the command line. */
2183 #ifdef FEAT_CMDWIN
2184 if (cmdwin_type != 0)
2185 errormsg = (char_u *)_(e_cmdwin);
2186 else
2187 #endif
2188 errormsg = (char_u *)_(e_secure);
2189 goto doend;
2190 }
2191 #ifdef FEAT_AUTOCMD
2192 /* Disallow editing another buffer when "curbuf_lock" is set.
2193 * Do allow ":edit" (check for argument later).
2194 * Do allow ":checktime" (it's postponed). */
2195 if (!(ea.argt & CMDWIN)
2196 && ea.cmdidx != CMD_edit
2197 && ea.cmdidx != CMD_checktime
2198 # ifdef FEAT_USR_CMDS
2199 && !USER_CMDIDX(ea.cmdidx)
2200 # endif
2201 && curbuf_locked())
2202 goto doend;
2203 #endif
2204
2205 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2206 {
2207 /* no range allowed */
2208 errormsg = (char_u *)_(e_norange);
2209 goto doend;
2210 }
2211 }
2212
2213 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2214 {
2215 errormsg = (char_u *)_(e_nobang);
2216 goto doend;
2217 }
2218
2219 /*
2220 * Don't complain about the range if it is not used
2221 * (could happen if line_count is accidentally set to 0).
2222 */
2223 if (!ea.skip && !ni)
2224 {
2225 /*
2226 * If the range is backwards, ask for confirmation and, if given, swap
2227 * ea.line1 & ea.line2 so it's forwards again.
2228 * When global command is busy, don't ask, will fail below.
2229 */
2230 if (!global_busy && ea.line1 > ea.line2)
2231 {
2232 if (msg_silent == 0)
2233 {
2234 if (sourcing || exmode_active)
2235 {
2236 errormsg = (char_u *)_("E493: Backwards range given");
2237 goto doend;
2238 }
2239 if (ask_yesno((char_u *)
2240 _("Backwards range given, OK to swap"), FALSE) != 'y')
2241 goto doend;
2242 }
2243 lnum = ea.line1;
2244 ea.line1 = ea.line2;
2245 ea.line2 = lnum;
2246 }
2247 if ((errormsg = invalid_range(&ea)) != NULL)
2248 goto doend;
2249 }
2250
2251 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2252 ea.line2 = 1;
2253
2254 correct_range(&ea);
2255
2256 #ifdef FEAT_FOLDING
2257 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2258 {
2259 /* Put the first line at the start of a closed fold, put the last line
2260 * at the end of a closed fold. */
2261 (void)hasFolding(ea.line1, &ea.line1, NULL);
2262 (void)hasFolding(ea.line2, NULL, &ea.line2);
2263 }
2264 #endif
2265
2266 #ifdef FEAT_QUICKFIX
2267 /*
2268 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2269 * option here, so things like % get expanded.
2270 */
2271 p = replace_makeprg(&ea, p, cmdlinep);
2272 if (p == NULL)
2273 goto doend;
2274 #endif
2275
2276 /*
2277 * Skip to start of argument.
2278 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2279 */
2280 if (ea.cmdidx == CMD_bang)
2281 ea.arg = p;
2282 else
2283 ea.arg = skipwhite(p);
2284
2285 /*
2286 * Check for "++opt=val" argument.
2287 * Must be first, allow ":w ++enc=utf8 !cmd"
2288 */
2289 if (ea.argt & ARGOPT)
2290 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2291 if (getargopt(&ea) == FAIL && !ni)
2292 {
2293 errormsg = (char_u *)_(e_invarg);
2294 goto doend;
2295 }
2296
2297 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2298 {
2299 if (*ea.arg == '>') /* append */
2300 {
2301 if (*++ea.arg != '>') /* typed wrong */
2302 {
2303 errormsg = (char_u *)_("E494: Use w or w>>");
2304 goto doend;
2305 }
2306 ea.arg = skipwhite(ea.arg + 1);
2307 ea.append = TRUE;
2308 }
2309 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2310 {
2311 ++ea.arg;
2312 ea.usefilter = TRUE;
2313 }
2314 }
2315
2316 if (ea.cmdidx == CMD_read)
2317 {
2318 if (ea.forceit)
2319 {
2320 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2321 ea.forceit = FALSE;
2322 }
2323 else if (*ea.arg == '!') /* :r !filter */
2324 {
2325 ++ea.arg;
2326 ea.usefilter = TRUE;
2327 }
2328 }
2329
2330 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2331 {
2332 ea.amount = 1;
2333 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2334 {
2335 ++ea.arg;
2336 ++ea.amount;
2337 }
2338 ea.arg = skipwhite(ea.arg);
2339 }
2340
2341 /*
2342 * Check for "+command" argument, before checking for next command.
2343 * Don't do this for ":read !cmd" and ":write !cmd".
2344 */
2345 if ((ea.argt & EDITCMD) && !ea.usefilter)
2346 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2347
2348 /*
2349 * Check for '|' to separate commands and '"' to start comments.
2350 * Don't do this for ":read !cmd" and ":write !cmd".
2351 */
2352 if ((ea.argt & TRLBAR) && !ea.usefilter)
2353 separate_nextcmd(&ea);
2354
2355 /*
2356 * Check for <newline> to end a shell command.
2357 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2358 * Any others?
2359 */
2360 else if (ea.cmdidx == CMD_bang
2361 || ea.cmdidx == CMD_global
2362 || ea.cmdidx == CMD_vglobal
2363 || ea.usefilter)
2364 {
2365 for (p = ea.arg; *p; ++p)
2366 {
2367 /* Remove one backslash before a newline, so that it's possible to
2368 * pass a newline to the shell and also a newline that is preceded
2369 * with a backslash. This makes it impossible to end a shell
2370 * command in a backslash, but that doesn't appear useful.
2371 * Halving the number of backslashes is incompatible with previous
2372 * versions. */
2373 if (*p == '\\' && p[1] == '\n')
2374 STRMOVE(p, p + 1);
2375 else if (*p == '\n')
2376 {
2377 ea.nextcmd = p + 1;
2378 *p = NUL;
2379 break;
2380 }
2381 }
2382 }
2383
2384 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2385 {
2386 ea.line1 = 1;
2387 ea.line2 = curbuf->b_ml.ml_line_count;
2388 }
2389
2390 /* accept numbered register only when no count allowed (:put) */
2391 if ( (ea.argt & REGSTR)
2392 && *ea.arg != NUL
2393 #ifdef FEAT_USR_CMDS
2394 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2395 && USER_CMDIDX(ea.cmdidx)))
2396 /* Do not allow register = for user commands */
2397 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2398 #else
2399 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2400 #endif
2401 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2402 {
2403 ea.regname = *ea.arg++;
2404 #ifdef FEAT_EVAL
2405 /* for '=' register: accept the rest of the line as an expression */
2406 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2407 {
2408 set_expr_line(vim_strsave(ea.arg));
2409 ea.arg += STRLEN(ea.arg);
2410 }
2411 #endif
2412 ea.arg = skipwhite(ea.arg);
2413 }
2414
2415 /*
2416 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2417 * count, it's a buffer name.
2418 */
2419 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2420 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2421 || vim_iswhite(*p)))
2422 {
2423 n = getdigits(&ea.arg);
2424 ea.arg = skipwhite(ea.arg);
2425 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2426 {
2427 errormsg = (char_u *)_(e_zerocount);
2428 goto doend;
2429 }
2430 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2431 {
2432 ea.line2 = n;
2433 if (ea.addr_count == 0)
2434 ea.addr_count = 1;
2435 }
2436 else
2437 {
2438 ea.line1 = ea.line2;
2439 ea.line2 += n - 1;
2440 ++ea.addr_count;
2441 /*
2442 * Be vi compatible: no error message for out of range.
2443 */
2444 if (ea.line2 > curbuf->b_ml.ml_line_count)
2445 ea.line2 = curbuf->b_ml.ml_line_count;
2446 }
2447 }
2448
2449 /*
2450 * Check for flags: 'l', 'p' and '#'.
2451 */
2452 if (ea.argt & EXFLAGS)
2453 get_flags(&ea);
2454 /* no arguments allowed */
2455 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2456 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2457 {
2458 errormsg = (char_u *)_(e_trailing);
2459 goto doend;
2460 }
2461
2462 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2463 {
2464 errormsg = (char_u *)_(e_argreq);
2465 goto doend;
2466 }
2467
2468 #ifdef FEAT_EVAL
2469 /*
2470 * Skip the command when it's not going to be executed.
2471 * The commands like :if, :endif, etc. always need to be executed.
2472 * Also make an exception for commands that handle a trailing command
2473 * themselves.
2474 */
2475 if (ea.skip)
2476 {
2477 switch (ea.cmdidx)
2478 {
2479 /* commands that need evaluation */
2480 case CMD_while:
2481 case CMD_endwhile:
2482 case CMD_for:
2483 case CMD_endfor:
2484 case CMD_if:
2485 case CMD_elseif:
2486 case CMD_else:
2487 case CMD_endif:
2488 case CMD_try:
2489 case CMD_catch:
2490 case CMD_finally:
2491 case CMD_endtry:
2492 case CMD_function:
2493 break;
2494
2495 /* Commands that handle '|' themselves. Check: A command should
2496 * either have the TRLBAR flag, appear in this list or appear in
2497 * the list at ":help :bar". */
2498 case CMD_aboveleft:
2499 case CMD_and:
2500 case CMD_belowright:
2501 case CMD_botright:
2502 case CMD_browse:
2503 case CMD_call:
2504 case CMD_confirm:
2505 case CMD_delfunction:
2506 case CMD_djump:
2507 case CMD_dlist:
2508 case CMD_dsearch:
2509 case CMD_dsplit:
2510 case CMD_echo:
2511 case CMD_echoerr:
2512 case CMD_echomsg:
2513 case CMD_echon:
2514 case CMD_execute:
2515 case CMD_help:
2516 case CMD_hide:
2517 case CMD_ijump:
2518 case CMD_ilist:
2519 case CMD_isearch:
2520 case CMD_isplit:
2521 case CMD_keepalt:
2522 case CMD_keepjumps:
2523 case CMD_keepmarks:
2524 case CMD_leftabove:
2525 case CMD_let:
2526 case CMD_lockmarks:
2527 case CMD_match:
2528 case CMD_mzscheme:
2529 case CMD_perl:
2530 case CMD_psearch:
2531 case CMD_python:
2532 case CMD_return:
2533 case CMD_rightbelow:
2534 case CMD_ruby:
2535 case CMD_silent:
2536 case CMD_smagic:
2537 case CMD_snomagic:
2538 case CMD_substitute:
2539 case CMD_syntax:
2540 case CMD_tab:
2541 case CMD_tcl:
2542 case CMD_throw:
2543 case CMD_tilde:
2544 case CMD_topleft:
2545 case CMD_unlet:
2546 case CMD_verbose:
2547 case CMD_vertical:
2548 break;
2549
2550 default: goto doend;
2551 }
2552 }
2553 #endif
2554
2555 if (ea.argt & XFILE)
2556 {
2557 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2558 goto doend;
2559 }
2560
2561 #ifdef FEAT_LISTCMDS
2562 /*
2563 * Accept buffer name. Cannot be used at the same time with a buffer
2564 * number. Don't do this for a user command.
2565 */
2566 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2567 # ifdef FEAT_USR_CMDS
2568 && !USER_CMDIDX(ea.cmdidx)
2569 # endif
2570 )
2571 {
2572 /*
2573 * :bdelete, :bwipeout and :bunload take several arguments, separated
2574 * by spaces: find next space (skipping over escaped characters).
2575 * The others take one argument: ignore trailing spaces.
2576 */
2577 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2578 || ea.cmdidx == CMD_bunload)
2579 p = skiptowhite_esc(ea.arg);
2580 else
2581 {
2582 p = ea.arg + STRLEN(ea.arg);
2583 while (p > ea.arg && vim_iswhite(p[-1]))
2584 --p;
2585 }
2586 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2587 if (ea.line2 < 0) /* failed */
2588 goto doend;
2589 ea.addr_count = 1;
2590 ea.arg = skipwhite(p);
2591 }
2592 #endif
2593
2594 /*
2595 * 6. switch on command name
2596 *
2597 * The "ea" structure holds the arguments that can be used.
2598 */
2599 ea.cmdlinep = cmdlinep;
2600 ea.getline = fgetline;
2601 ea.cookie = cookie;
2602 #ifdef FEAT_EVAL
2603 ea.cstack = cstack;
2604 #endif
2605
2606 #ifdef FEAT_USR_CMDS
2607 if (USER_CMDIDX(ea.cmdidx))
2608 {
2609 /*
2610 * Execute a user-defined command.
2611 */
2612 do_ucmd(&ea);
2613 }
2614 else
2615 #endif
2616 {
2617 /*
2618 * Call the function to execute the command.
2619 */
2620 ea.errmsg = NULL;
2621 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2622 if (ea.errmsg != NULL)
2623 errormsg = (char_u *)_(ea.errmsg);
2624 }
2625
2626 #ifdef FEAT_EVAL
2627 /*
2628 * If the command just executed called do_cmdline(), any throw or ":return"
2629 * or ":finish" encountered there must also check the cstack of the still
2630 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2631 * exception, or reanimate a returned function or finished script file and
2632 * return or finish it again.
2633 */
2634 if (need_rethrow)
2635 do_throw(cstack);
2636 else if (check_cstack)
2637 {
2638 if (source_finished(fgetline, cookie))
2639 do_finish(&ea, TRUE);
2640 else if (getline_equal(fgetline, cookie, get_func_line)
2641 && current_func_returned())
2642 do_return(&ea, TRUE, FALSE, NULL);
2643 }
2644 need_rethrow = check_cstack = FALSE;
2645 #endif
2646
2647 doend:
2648 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2649 curwin->w_cursor.lnum = 1;
2650
2651 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2652 {
2653 if (sourcing)
2654 {
2655 if (errormsg != IObuff)
2656 {
2657 STRCPY(IObuff, errormsg);
2658 errormsg = IObuff;
2659 }
2660 STRCAT(errormsg, ": ");
2661 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2662 }
2663 emsg(errormsg);
2664 }
2665 #ifdef FEAT_EVAL
2666 do_errthrow(cstack,
2667 (ea.cmdidx != CMD_SIZE
2668 # ifdef FEAT_USR_CMDS
2669 && !USER_CMDIDX(ea.cmdidx)
2670 # endif
2671 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2672 #endif
2673
2674 if (verbose_save >= 0)
2675 p_verbose = verbose_save;
2676 #ifdef FEAT_AUTOCMD
2677 if (cmdmod.save_ei != NULL)
2678 {
2679 /* Restore 'eventignore' to the value before ":noautocmd". */
2680 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2681 OPT_FREE, SID_NONE);
2682 free_string_option(cmdmod.save_ei);
2683 }
2684 #endif
2685
2686 cmdmod = save_cmdmod;
2687
2688 if (did_silent > 0)
2689 {
2690 /* messages could be enabled for a serious error, need to check if the
2691 * counters don't become negative */
2692 msg_silent -= did_silent;
2693 if (msg_silent < 0)
2694 msg_silent = 0;
2695 emsg_silent -= did_esilent;
2696 if (emsg_silent < 0)
2697 emsg_silent = 0;
2698 /* Restore msg_scroll, it's set by file I/O commands, even when no
2699 * message is actually displayed. */
2700 msg_scroll = save_msg_scroll;
2701 }
2702
2703 #ifdef HAVE_SANDBOX
2704 if (did_sandbox)
2705 --sandbox;
2706 #endif
2707
2708 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2709 ea.nextcmd = NULL;
2710
2711 #ifdef FEAT_EVAL
2712 --ex_nesting_level;
2713 #endif
2714
2715 return ea.nextcmd;
2716 }
2717 #if (_MSC_VER == 1200)
2718 #pragma optimize( "", on )
2719 #endif
2720
2721 /*
2722 * Check for an Ex command with optional tail.
2723 * If there is a match advance "pp" to the argument and return TRUE.
2724 */
2725 int
2726 checkforcmd(pp, cmd, len)
2727 char_u **pp; /* start of command */
2728 char *cmd; /* name of command */
2729 int len; /* required length */
2730 {
2731 int i;
2732
2733 for (i = 0; cmd[i] != NUL; ++i)
2734 if (cmd[i] != (*pp)[i])
2735 break;
2736 if (i >= len && !isalpha((*pp)[i]))
2737 {
2738 *pp = skipwhite(*pp + i);
2739 return TRUE;
2740 }
2741 return FALSE;
2742 }
2743
2744 /*
2745 * Find an Ex command by its name, either built-in or user.
2746 * Start of the name can be found at eap->cmd.
2747 * Returns pointer to char after the command name.
2748 * "full" is set to TRUE if the whole command name matched.
2749 * Returns NULL for an ambiguous user command.
2750 */
2751 /*ARGSUSED*/
2752 static char_u *
2753 find_command(eap, full)
2754 exarg_T *eap;
2755 int *full;
2756 {
2757 int len;
2758 char_u *p;
2759 int i;
2760
2761 /*
2762 * Isolate the command and search for it in the command table.
2763 * Exceptions:
2764 * - the 'k' command can directly be followed by any character.
2765 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2766 * but :sre[wind] is another command, as are :scrip[tnames],
2767 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2768 * - the "d" command can directly be followed by 'l' or 'p' flag.
2769 */
2770 p = eap->cmd;
2771 if (*p == 'k')
2772 {
2773 eap->cmdidx = CMD_k;
2774 ++p;
2775 }
2776 else if (p[0] == 's'
2777 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2778 && p[3] != 'i' && p[4] != 'p')
2779 || p[1] == 'g'
2780 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2781 || p[1] == 'I'
2782 || (p[1] == 'r' && p[2] != 'e')))
2783 {
2784 eap->cmdidx = CMD_substitute;
2785 ++p;
2786 }
2787 else
2788 {
2789 while (ASCII_ISALPHA(*p))
2790 ++p;
2791 /* check for non-alpha command */
2792 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2793 ++p;
2794 len = (int)(p - eap->cmd);
2795 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2796 {
2797 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2798 * :delete with the 'l' flag. Same for 'p'. */
2799 for (i = 0; i < len; ++i)
2800 if (eap->cmd[i] != "delete"[i])
2801 break;
2802 if (i == len - 1)
2803 {
2804 --len;
2805 if (p[-1] == 'l')
2806 eap->flags |= EXFLAG_LIST;
2807 else
2808 eap->flags |= EXFLAG_PRINT;
2809 }
2810 }
2811
2812 if (ASCII_ISLOWER(*eap->cmd))
2813 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2814 else
2815 eap->cmdidx = cmdidxs[26];
2816
2817 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2818 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2819 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2820 (size_t)len) == 0)
2821 {
2822 #ifdef FEAT_EVAL
2823 if (full != NULL
2824 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2825 *full = TRUE;
2826 #endif
2827 break;
2828 }
2829
2830 #ifdef FEAT_USR_CMDS
2831 /* Look for a user defined command as a last resort */
2832 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2833 {
2834 /* User defined commands may contain digits. */
2835 while (ASCII_ISALNUM(*p))
2836 ++p;
2837 p = find_ucmd(eap, p, full, NULL, NULL);
2838 }
2839 #endif
2840 if (p == eap->cmd)
2841 eap->cmdidx = CMD_SIZE;
2842 }
2843
2844 return p;
2845 }
2846
2847 #ifdef FEAT_USR_CMDS
2848 /*
2849 * Search for a user command that matches "eap->cmd".
2850 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2851 * Return a pointer to just after the command.
2852 * Return NULL if there is no matching command.
2853 */
2854 static char_u *
2855 find_ucmd(eap, p, full, xp, compl)
2856 exarg_T *eap;
2857 char_u *p; /* end of the command (possibly including count) */
2858 int *full; /* set to TRUE for a full match */
2859 expand_T *xp; /* used for completion, NULL otherwise */
2860 int *compl; /* completion flags or NULL */
2861 {
2862 int len = (int)(p - eap->cmd);
2863 int j, k, matchlen = 0;
2864 ucmd_T *uc;
2865 int found = FALSE;
2866 int possible = FALSE;
2867 char_u *cp, *np; /* Point into typed cmd and test name */
2868 garray_T *gap;
2869 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2870 only full match global is accepted. */
2871
2872 /*
2873 * Look for buffer-local user commands first, then global ones.
2874 */
2875 gap = &curbuf->b_ucmds;
2876 for (;;)
2877 {
2878 for (j = 0; j < gap->ga_len; ++j)
2879 {
2880 uc = USER_CMD_GA(gap, j);
2881 cp = eap->cmd;
2882 np = uc->uc_name;
2883 k = 0;
2884 while (k < len && *np != NUL && *cp++ == *np++)
2885 k++;
2886 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2887 {
2888 /* If finding a second match, the command is ambiguous. But
2889 * not if a buffer-local command wasn't a full match and a
2890 * global command is a full match. */
2891 if (k == len && found && *np != NUL)
2892 {
2893 if (gap == &ucmds)
2894 return NULL;
2895 amb_local = TRUE;
2896 }
2897
2898 if (!found || (k == len && *np == NUL))
2899 {
2900 /* If we matched up to a digit, then there could
2901 * be another command including the digit that we
2902 * should use instead.
2903 */
2904 if (k == len)
2905 found = TRUE;
2906 else
2907 possible = TRUE;
2908
2909 if (gap == &ucmds)
2910 eap->cmdidx = CMD_USER;
2911 else
2912 eap->cmdidx = CMD_USER_BUF;
2913 eap->argt = (long)uc->uc_argt;
2914 eap->useridx = j;
2915
2916 # ifdef FEAT_CMDL_COMPL
2917 if (compl != NULL)
2918 *compl = uc->uc_compl;
2919 # ifdef FEAT_EVAL
2920 if (xp != NULL)
2921 {
2922 xp->xp_arg = uc->uc_compl_arg;
2923 xp->xp_scriptID = uc->uc_scriptID;
2924 }
2925 # endif
2926 # endif
2927 /* Do not search for further abbreviations
2928 * if this is an exact match. */
2929 matchlen = k;
2930 if (k == len && *np == NUL)
2931 {
2932 if (full != NULL)
2933 *full = TRUE;
2934 amb_local = FALSE;
2935 break;
2936 }
2937 }
2938 }
2939 }
2940
2941 /* Stop if we found a full match or searched all. */
2942 if (j < gap->ga_len || gap == &ucmds)
2943 break;
2944 gap = &ucmds;
2945 }
2946
2947 /* Only found ambiguous matches. */
2948 if (amb_local)
2949 {
2950 if (xp != NULL)
2951 xp->xp_context = EXPAND_UNSUCCESSFUL;
2952 return NULL;
2953 }
2954
2955 /* The match we found may be followed immediately by a number. Move "p"
2956 * back to point to it. */
2957 if (found || possible)
2958 return p + (matchlen - len);
2959 return p;
2960 }
2961 #endif
2962
2963 #if defined(FEAT_EVAL) || defined(PROTO)
2964 static struct cmdmod
2965 {
2966 char *name;
2967 int minlen;
2968 int has_count; /* :123verbose :3tab */
2969 } cmdmods[] = {
2970 {"aboveleft", 3, FALSE},
2971 {"belowright", 3, FALSE},
2972 {"botright", 2, FALSE},
2973 {"browse", 3, FALSE},
2974 {"confirm", 4, FALSE},
2975 {"hide", 3, FALSE},
2976 {"keepalt", 5, FALSE},
2977 {"keepjumps", 5, FALSE},
2978 {"keepmarks", 3, FALSE},
2979 {"leftabove", 5, FALSE},
2980 {"lockmarks", 3, FALSE},
2981 {"rightbelow", 6, FALSE},
2982 {"sandbox", 3, FALSE},
2983 {"silent", 3, FALSE},
2984 {"tab", 3, TRUE},
2985 {"topleft", 2, FALSE},
2986 {"verbose", 4, TRUE},
2987 {"vertical", 4, FALSE},
2988 };
2989
2990 /*
2991 * Return length of a command modifier (including optional count).
2992 * Return zero when it's not a modifier.
2993 */
2994 int
2995 modifier_len(cmd)
2996 char_u *cmd;
2997 {
2998 int i, j;
2999 char_u *p = cmd;
3000
3001 if (VIM_ISDIGIT(*cmd))
3002 p = skipwhite(skipdigits(cmd));
3003 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3004 {
3005 for (j = 0; p[j] != NUL; ++j)
3006 if (p[j] != cmdmods[i].name[j])
3007 break;
3008 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3009 && (p == cmd || cmdmods[i].has_count))
3010 return j + (int)(p - cmd);
3011 }
3012 return 0;
3013 }
3014
3015 /*
3016 * Return > 0 if an Ex command "name" exists.
3017 * Return 2 if there is an exact match.
3018 * Return 3 if there is an ambiguous match.
3019 */
3020 int
3021 cmd_exists(name)
3022 char_u *name;
3023 {
3024 exarg_T ea;
3025 int full = FALSE;
3026 int i;
3027 int j;
3028 char_u *p;
3029
3030 /* Check command modifiers. */
3031 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3032 {
3033 for (j = 0; name[j] != NUL; ++j)
3034 if (name[j] != cmdmods[i].name[j])
3035 break;
3036 if (name[j] == NUL && j >= cmdmods[i].minlen)
3037 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3038 }
3039
3040 /* Check built-in commands and user defined commands.
3041 * For ":2match" and ":3match" we need to skip the number. */
3042 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3043 ea.cmdidx = (cmdidx_T)0;
3044 p = find_command(&ea, &full);
3045 if (p == NULL)
3046 return 3;
3047 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3048 return 0;
3049 if (*skipwhite(p) != NUL)
3050 return 0; /* trailing garbage */
3051 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3052 }
3053 #endif
3054
3055 /*
3056 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3057 * we don't need/want deleted. Maybe this could be done better if we didn't
3058 * repeat all this stuff. The only problem is that they may not stay
3059 * perfectly compatible with each other, but then the command line syntax
3060 * probably won't change that much -- webb.
3061 */
3062 char_u *
3063 set_one_cmd_context(xp, buff)
3064 expand_T *xp;
3065 char_u *buff; /* buffer for command string */
3066 {
3067 char_u *p;
3068 char_u *cmd, *arg;
3069 int len = 0;
3070 exarg_T ea;
3071 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3072 int compl = EXPAND_NOTHING;
3073 #endif
3074 #ifdef FEAT_CMDL_COMPL
3075 int delim;
3076 #endif
3077 int forceit = FALSE;
3078 int usefilter = FALSE; /* filter instead of file name */
3079
3080 ExpandInit(xp);
3081 xp->xp_pattern = buff;
3082 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3083 ea.argt = 0;
3084
3085 /*
3086 * 2. skip comment lines and leading space, colons or bars
3087 */
3088 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3089 ;
3090 xp->xp_pattern = cmd;
3091
3092 if (*cmd == NUL)
3093 return NULL;
3094 if (*cmd == '"') /* ignore comment lines */
3095 {
3096 xp->xp_context = EXPAND_NOTHING;
3097 return NULL;
3098 }
3099
3100 /*
3101 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3102 */
3103 cmd = skip_range(cmd, &xp->xp_context);
3104
3105 /*
3106 * 4. parse command
3107 */
3108 xp->xp_pattern = cmd;
3109 if (*cmd == NUL)
3110 return NULL;
3111 if (*cmd == '"')
3112 {
3113 xp->xp_context = EXPAND_NOTHING;
3114 return NULL;
3115 }
3116
3117 if (*cmd == '|' || *cmd == '\n')
3118 return cmd + 1; /* There's another command */
3119
3120 /*
3121 * Isolate the command and search for it in the command table.
3122 * Exceptions:
3123 * - the 'k' command can directly be followed by any character, but
3124 * do accept "keepmarks", "keepalt" and "keepjumps".
3125 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3126 */
3127 if (*cmd == 'k' && cmd[1] != 'e')
3128 {
3129 ea.cmdidx = CMD_k;
3130 p = cmd + 1;
3131 }
3132 else
3133 {
3134 p = cmd;
3135 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3136 ++p;
3137 /* check for non-alpha command */
3138 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3139 ++p;
3140 len = (int)(p - cmd);
3141
3142 if (len == 0)
3143 {
3144 xp->xp_context = EXPAND_UNSUCCESSFUL;
3145 return NULL;
3146 }
3147 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3148 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3149 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3150 break;
3151
3152 #ifdef FEAT_USR_CMDS
3153 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3154 {
3155 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3156 ++p;
3157 len = (int)(p - cmd);
3158 }
3159 #endif
3160 }
3161
3162 /*
3163 * If the cursor is touching the command, and it ends in an alpha-numeric
3164 * character, complete the command name.
3165 */
3166 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3167 return NULL;
3168
3169 if (ea.cmdidx == CMD_SIZE)
3170 {
3171 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3172 {
3173 ea.cmdidx = CMD_substitute;
3174 p = cmd + 1;
3175 }
3176 #ifdef FEAT_USR_CMDS
3177 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3178 {
3179 ea.cmd = cmd;
3180 p = find_ucmd(&ea, p, NULL, xp,
3181 # if defined(FEAT_CMDL_COMPL)
3182 &compl
3183 # else
3184 NULL
3185 # endif
3186 );
3187 if (p == NULL)
3188 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3189 }
3190 #endif
3191 }
3192 if (ea.cmdidx == CMD_SIZE)
3193 {
3194 /* Not still touching the command and it was an illegal one */
3195 xp->xp_context = EXPAND_UNSUCCESSFUL;
3196 return NULL;
3197 }
3198
3199 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3200
3201 if (*p == '!') /* forced commands */
3202 {
3203 forceit = TRUE;
3204 ++p;
3205 }
3206
3207 /*
3208 * 5. parse arguments
3209 */
3210 #ifdef FEAT_USR_CMDS
3211 if (!USER_CMDIDX(ea.cmdidx))
3212 #endif
3213 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3214
3215 arg = skipwhite(p);
3216
3217 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3218 {
3219 if (*arg == '>') /* append */
3220 {
3221 if (*++arg == '>')
3222 ++arg;
3223 arg = skipwhite(arg);
3224 }
3225 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3226 {
3227 ++arg;
3228 usefilter = TRUE;
3229 }
3230 }
3231
3232 if (ea.cmdidx == CMD_read)
3233 {
3234 usefilter = forceit; /* :r! filter if forced */
3235 if (*arg == '!') /* :r !filter */
3236 {
3237 ++arg;
3238 usefilter = TRUE;
3239 }
3240 }
3241
3242 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3243 {
3244 while (*arg == *cmd) /* allow any number of '>' or '<' */
3245 ++arg;
3246 arg = skipwhite(arg);
3247 }
3248
3249 /* Does command allow "+command"? */
3250 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3251 {
3252 /* Check if we're in the +command */
3253 p = arg + 1;
3254 arg = skip_cmd_arg(arg, FALSE);
3255
3256 /* Still touching the command after '+'? */
3257 if (*arg == NUL)
3258 return p;
3259
3260 /* Skip space(s) after +command to get to the real argument */
3261 arg = skipwhite(arg);
3262 }
3263
3264 /*
3265 * Check for '|' to separate commands and '"' to start comments.
3266 * Don't do this for ":read !cmd" and ":write !cmd".
3267 */
3268 if ((ea.argt & TRLBAR) && !usefilter)
3269 {
3270 p = arg;
3271 /* ":redir @" is not the start of a comment */
3272 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3273 p += 2;
3274 while (*p)
3275 {
3276 if (*p == Ctrl_V)
3277 {
3278 if (p[1] != NUL)
3279 ++p;
3280 }
3281 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3282 || *p == '|' || *p == '\n')
3283 {
3284 if (*(p - 1) != '\\')
3285 {
3286 if (*p == '|' || *p == '\n')
3287 return p + 1;
3288 return NULL; /* It's a comment */
3289 }
3290 }
3291 mb_ptr_adv(p);
3292 }
3293 }
3294
3295 /* no arguments allowed */
3296 if (!(ea.argt & EXTRA) && *arg != NUL &&
3297 vim_strchr((char_u *)"|\"", *arg) == NULL)
3298 return NULL;
3299
3300 /* Find start of last argument (argument just before cursor): */
3301 p = buff + STRLEN(buff);
3302 while (p != arg && *p != ' ' && *p != TAB)
3303 p--;
3304 if (*p == ' ' || *p == TAB)
3305 p++;
3306 xp->xp_pattern = p;
3307
3308 if (ea.argt & XFILE)
3309 {
3310 int c;
3311 int in_quote = FALSE;
3312 char_u *bow = NULL; /* Beginning of word */
3313
3314 /*
3315 * Allow spaces within back-quotes to count as part of the argument
3316 * being expanded.
3317 */
3318 xp->xp_pattern = skipwhite(arg);
3319 p = xp->xp_pattern;
3320 while (*p != NUL)
3321 {
3322 #ifdef FEAT_MBYTE
3323 if (has_mbyte)
3324 c = mb_ptr2char(p);
3325 else
3326 #endif
3327 c = *p;
3328 if (c == '\\' && p[1] != NUL)
3329 ++p;
3330 else if (c == '`')
3331 {
3332 if (!in_quote)
3333 {
3334 xp->xp_pattern = p;
3335 bow = p + 1;
3336 }
3337 in_quote = !in_quote;
3338 }
3339 /* An argument can contain just about everything, except
3340 * characters that end the command and white space. */
3341 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3342 #ifdef SPACE_IN_FILENAME
3343 && (!(ea.argt & NOSPC) || usefilter)
3344 #endif
3345 ))
3346 {
3347 len = 0; /* avoid getting stuck when space is in 'isfname' */
3348 while (*p != NUL)
3349 {
3350 #ifdef FEAT_MBYTE
3351 if (has_mbyte)
3352 c = mb_ptr2char(p);
3353 else
3354 #endif
3355 c = *p;
3356 if (c == '`' || vim_isfilec_or_wc(c))
3357 break;
3358 #ifdef FEAT_MBYTE
3359 if (has_mbyte)
3360 len = (*mb_ptr2len)(p);
3361 else
3362 #endif
3363 len = 1;
3364 mb_ptr_adv(p);
3365 }
3366 if (in_quote)
3367 bow = p;
3368 else
3369 xp->xp_pattern = p;
3370 p -= len;
3371 }
3372 mb_ptr_adv(p);
3373 }
3374
3375 /*
3376 * If we are still inside the quotes, and we passed a space, just
3377 * expand from there.
3378 */
3379 if (bow != NULL && in_quote)
3380 xp->xp_pattern = bow;
3381 xp->xp_context = EXPAND_FILES;
3382
3383 #ifndef BACKSLASH_IN_FILENAME
3384 /* For a shell command more chars need to be escaped. */
3385 if (usefilter || ea.cmdidx == CMD_bang)
3386 {
3387 xp->xp_shell = TRUE;
3388
3389 /* When still after the command name expand executables. */
3390 if (xp->xp_pattern == skipwhite(arg))
3391 xp->xp_context = EXPAND_SHELLCMD;
3392 }
3393 #endif
3394
3395 /* Check for environment variable */
3396 if (*xp->xp_pattern == '$'
3397 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3398 || *xp->xp_pattern == '%'
3399 #endif
3400 )
3401 {
3402 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3403 if (!vim_isIDc(*p))
3404 break;
3405 if (*p == NUL)
3406 {
3407 xp->xp_context = EXPAND_ENV_VARS;
3408 ++xp->xp_pattern;
3409 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3410 /* Avoid that the assignment uses EXPAND_FILES again. */
3411 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3412 compl = EXPAND_ENV_VARS;
3413 #endif
3414 }
3415 }
3416 }
3417
3418 /*
3419 * 6. switch on command name
3420 */
3421 switch (ea.cmdidx)
3422 {
3423 case CMD_cd:
3424 case CMD_chdir:
3425 case CMD_lcd:
3426 case CMD_lchdir:
3427 if (xp->xp_context == EXPAND_FILES)
3428 xp->xp_context = EXPAND_DIRECTORIES;
3429 break;
3430 case CMD_help:
3431 xp->xp_context = EXPAND_HELP;
3432 xp->xp_pattern = arg;
3433 break;
3434
3435 /* Command modifiers: return the argument.
3436 * Also for commands with an argument that is a command. */
3437 case CMD_aboveleft:
3438 case CMD_argdo:
3439 case CMD_belowright:
3440 case CMD_botright:
3441 case CMD_browse:
3442 case CMD_bufdo:
3443 case CMD_confirm:
3444 case CMD_debug:
3445 case CMD_folddoclosed:
3446 case CMD_folddoopen:
3447 case CMD_hide:
3448 case CMD_keepalt:
3449 case CMD_keepjumps:
3450 case CMD_keepmarks:
3451 case CMD_leftabove:
3452 case CMD_lockmarks:
3453 case CMD_rightbelow:
3454 case CMD_sandbox:
3455 case CMD_silent:
3456 case CMD_tab:
3457 case CMD_topleft:
3458 case CMD_verbose:
3459 case CMD_vertical:
3460 case CMD_windo:
3461 return arg;
3462
3463 #ifdef FEAT_CMDL_COMPL
3464 # ifdef FEAT_SEARCH_EXTRA
3465 case CMD_match:
3466 if (*arg == NUL || !ends_excmd(*arg))
3467 {
3468 /* also complete "None" */
3469 set_context_in_echohl_cmd(xp, arg);
3470 arg = skipwhite(skiptowhite(arg));
3471 if (*arg != NUL)
3472 {
3473 xp->xp_context = EXPAND_NOTHING;
3474 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3475 }
3476 }
3477 return find_nextcmd(arg);
3478 # endif
3479
3480 /*
3481 * All completion for the +cmdline_compl feature goes here.
3482 */
3483
3484 # ifdef FEAT_USR_CMDS
3485 case CMD_command:
3486 /* Check for attributes */
3487 while (*arg == '-')
3488 {
3489 arg++; /* Skip "-" */
3490 p = skiptowhite(arg);
3491 if (*p == NUL)
3492 {
3493 /* Cursor is still in the attribute */
3494 p = vim_strchr(arg, '=');
3495 if (p == NULL)
3496 {
3497 /* No "=", so complete attribute names */
3498 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3499 xp->xp_pattern = arg;
3500 return NULL;
3501 }
3502
3503 /* For the -complete and -nargs attributes, we complete
3504 * their arguments as well.
3505 */
3506 if (STRNICMP(arg, "complete", p - arg) == 0)
3507 {
3508 xp->xp_context = EXPAND_USER_COMPLETE;
3509 xp->xp_pattern = p + 1;
3510 return NULL;
3511 }
3512 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3513 {
3514 xp->xp_context = EXPAND_USER_NARGS;
3515 xp->xp_pattern = p + 1;
3516 return NULL;
3517 }
3518 return NULL;
3519 }
3520 arg = skipwhite(p);
3521 }
3522
3523 /* After the attributes comes the new command name */
3524 p = skiptowhite(arg);
3525 if (*p == NUL)
3526 {
3527 xp->xp_context = EXPAND_USER_COMMANDS;
3528 xp->xp_pattern = arg;
3529 break;
3530 }
3531
3532 /* And finally comes a normal command */
3533 return skipwhite(p);
3534
3535 case CMD_delcommand:
3536 xp->xp_context = EXPAND_USER_COMMANDS;
3537 xp->xp_pattern = arg;
3538 break;
3539 # endif
3540
3541 case CMD_global:
3542 case CMD_vglobal:
3543 delim = *arg; /* get the delimiter */
3544 if (delim)
3545 ++arg; /* skip delimiter if there is one */
3546
3547 while (arg[0] != NUL && arg[0] != delim)
3548 {
3549 if (arg[0] == '\\' && arg[1] != NUL)
3550 ++arg;
3551 ++arg;
3552 }
3553 if (arg[0] != NUL)
3554 return arg + 1;
3555 break;
3556 case CMD_and:
3557 case CMD_substitute:
3558 delim = *arg;
3559 if (delim)
3560 {
3561 /* skip "from" part */
3562 ++arg;
3563 arg = skip_regexp(arg, delim, p_magic, NULL);
3564 }
3565 /* skip "to" part */
3566 while (arg[0] != NUL && arg[0] != delim)
3567 {
3568 if (arg[0] == '\\' && arg[1] != NUL)
3569 ++arg;
3570 ++arg;
3571 }
3572 if (arg[0] != NUL) /* skip delimiter */
3573 ++arg;
3574 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3575 ++arg;
3576 if (arg[0] != NUL)
3577 return arg;
3578 break;
3579 case CMD_isearch:
3580 case CMD_dsearch:
3581 case CMD_ilist:
3582 case CMD_dlist:
3583 case CMD_ijump:
3584 case CMD_psearch:
3585 case CMD_djump:
3586 case CMD_isplit:
3587 case CMD_dsplit:
3588 arg = skipwhite(skipdigits(arg)); /* skip count */
3589 if (*arg == '/') /* Match regexp, not just whole words */
3590 {
3591 for (++arg; *arg && *arg != '/'; arg++)
3592 if (*arg == '\\' && arg[1] != NUL)
3593 arg++;
3594 if (*arg)
3595 {
3596 arg = skipwhite(arg + 1);
3597
3598 /* Check for trailing illegal characters */
3599 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3600 xp->xp_context = EXPAND_NOTHING;
3601 else
3602 return arg;
3603 }
3604 }
3605 break;
3606 #ifdef FEAT_AUTOCMD
3607 case CMD_autocmd:
3608 return set_context_in_autocmd(xp, arg, FALSE);
3609
3610 case CMD_doautocmd:
3611 return set_context_in_autocmd(xp, arg, TRUE);
3612 #endif
3613 case CMD_set:
3614 set_context_in_set_cmd(xp, arg, 0);
3615 break;
3616 case CMD_setglobal:
3617 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3618 break;
3619 case CMD_setlocal:
3620 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3621 break;
3622 case CMD_tag:
3623 case CMD_stag:
3624 case CMD_ptag:
3625 case CMD_ltag:
3626 case CMD_tselect:
3627 case CMD_stselect:
3628 case CMD_ptselect:
3629 case CMD_tjump:
3630 case CMD_stjump:
3631 case CMD_ptjump:
3632 if (*p_wop != NUL)
3633 xp->xp_context = EXPAND_TAGS_LISTFILES;
3634 else
3635 xp->xp_context = EXPAND_TAGS;
3636 xp->xp_pattern = arg;
3637 break;
3638 case CMD_augroup:
3639 xp->xp_context = EXPAND_AUGROUP;
3640 xp->xp_pattern = arg;
3641 break;
3642 #ifdef FEAT_SYN_HL
3643 case CMD_syntax:
3644 set_context_in_syntax_cmd(xp, arg);
3645 break;
3646 #endif
3647 #ifdef FEAT_EVAL
3648 case CMD_let:
3649 case CMD_if:
3650 case CMD_elseif:
3651 case CMD_while:
3652 case CMD_for:
3653 case CMD_echo:
3654 case CMD_echon:
3655 case CMD_execute:
3656 case CMD_echomsg:
3657 case CMD_echoerr:
3658 case CMD_call:
3659 case CMD_return:
3660 set_context_for_expression(xp, arg, ea.cmdidx);
3661 break;
3662
3663 case CMD_unlet:
3664 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3665 arg = xp->xp_pattern + 1;
3666 xp->xp_context = EXPAND_USER_VARS;
3667 xp->xp_pattern = arg;
3668 break;
3669
3670 case CMD_function:
3671 case CMD_delfunction:
3672 xp->xp_context = EXPAND_USER_FUNC;
3673 xp->xp_pattern = arg;
3674 break;
3675
3676 case CMD_echohl:
3677 set_context_in_echohl_cmd(xp, arg);
3678 break;
3679 #endif
3680 case CMD_highlight:
3681 set_context_in_highlight_cmd(xp, arg);
3682 break;
3683 #ifdef FEAT_LISTCMDS
3684 case CMD_bdelete:
3685 case CMD_bwipeout:
3686 case CMD_bunload:
3687 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3688 arg = xp->xp_pattern + 1;
3689 /*FALLTHROUGH*/
3690 case CMD_buffer:
3691 case CMD_sbuffer:
3692 case CMD_checktime:
3693 xp->xp_context = EXPAND_BUFFERS;
3694 xp->xp_pattern = arg;
3695 break;
3696 #endif
3697 #ifdef FEAT_USR_CMDS
3698 case CMD_USER:
3699 case CMD_USER_BUF:
3700 if (compl != EXPAND_NOTHING)
3701 {
3702 /* XFILE: file names are handled above */
3703 if (!(ea.argt & XFILE))
3704 {
3705 # ifdef FEAT_MENU
3706 if (compl == EXPAND_MENUS)
3707 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3708 # endif
3709 if (compl == EXPAND_COMMANDS)
3710 return arg;
3711 if (compl == EXPAND_MAPPINGS)
3712 return set_context_in_map_cmd(xp, (char_u *)"map",
3713 arg, forceit, FALSE, FALSE, CMD_map);
3714 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3715 arg = xp->xp_pattern + 1;
3716 xp->xp_pattern = arg;
3717 }
3718 xp->xp_context = compl;
3719 }
3720 break;
3721 #endif
3722 case CMD_map: case CMD_noremap:
3723 case CMD_nmap: case CMD_nnoremap:
3724 case CMD_vmap: case CMD_vnoremap:
3725 case CMD_omap: case CMD_onoremap:
3726 case CMD_imap: case CMD_inoremap:
3727 case CMD_cmap: case CMD_cnoremap:
3728 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3729 FALSE, FALSE, ea.cmdidx);
3730 case CMD_unmap:
3731 case CMD_nunmap:
3732 case CMD_vunmap:
3733 case CMD_ounmap:
3734 case CMD_iunmap:
3735 case CMD_cunmap:
3736 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3737 FALSE, TRUE, ea.cmdidx);
3738 case CMD_abbreviate: case CMD_noreabbrev:
3739 case CMD_cabbrev: case CMD_cnoreabbrev:
3740 case CMD_iabbrev: case CMD_inoreabbrev:
3741 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3742 TRUE, FALSE, ea.cmdidx);
3743 case CMD_unabbreviate:
3744 case CMD_cunabbrev:
3745 case CMD_iunabbrev:
3746 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3747 TRUE, TRUE, ea.cmdidx);
3748 #ifdef FEAT_MENU
3749 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3750 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3751 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3752 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3753 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3754 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3755 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3756 case CMD_tmenu: case CMD_tunmenu:
3757 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3758 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3759 #endif
3760
3761 case CMD_colorscheme:
3762 xp->xp_context = EXPAND_COLORS;
3763 xp->xp_pattern = arg;
3764 break;
3765
3766 case CMD_compiler:
3767 xp->xp_context = EXPAND_COMPILER;
3768 xp->xp_pattern = arg;
3769 break;
3770
3771 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3772 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3773 case CMD_language:
3774 if (*skiptowhite(arg) == NUL)
3775 {
3776 xp->xp_context = EXPAND_LANGUAGE;
3777 xp->xp_pattern = arg;
3778 }
3779 else
3780 xp->xp_context = EXPAND_NOTHING;
3781 break;
3782 #endif
3783
3784 #endif /* FEAT_CMDL_COMPL */
3785
3786 default:
3787 break;
3788 }
3789 return NULL;
3790 }
3791
3792 /*
3793 * skip a range specifier of the form: addr [,addr] [;addr] ..
3794 *
3795 * Backslashed delimiters after / or ? will be skipped, and commands will
3796 * not be expanded between /'s and ?'s or after "'".
3797 *
3798 * Also skip white space and ":" characters.
3799 * Returns the "cmd" pointer advanced to beyond the range.
3800 */
3801 char_u *
3802 skip_range(cmd, ctx)
3803 char_u *cmd;
3804 int *ctx; /* pointer to xp_context or NULL */
3805 {
3806 int delim;
3807
3808 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3809 {
3810 if (*cmd == '\'')
3811 {
3812 if (*++cmd == NUL && ctx != NULL)
3813 *ctx = EXPAND_NOTHING;
3814 }
3815 else if (*cmd == '/' || *cmd == '?')
3816 {
3817 delim = *cmd++;
3818 while (*cmd != NUL && *cmd != delim)
3819 if (*cmd++ == '\\' && *cmd != NUL)
3820 ++cmd;
3821 if (*cmd == NUL && ctx != NULL)
3822 *ctx = EXPAND_NOTHING;
3823 }
3824 if (*cmd != NUL)
3825 ++cmd;
3826 }
3827
3828 /* Skip ":" and white space. */
3829 while (*cmd == ':')
3830 cmd = skipwhite(cmd + 1);
3831
3832 return cmd;
3833 }
3834
3835 /*
3836 * get a single EX address
3837 *
3838 * Set ptr to the next character after the part that was interpreted.
3839 * Set ptr to NULL when an error is encountered.
3840 *
3841 * Return MAXLNUM when no Ex address was found.
3842 */
3843 static linenr_T
3844 get_address(ptr, skip, to_other_file)
3845 char_u **ptr;
3846 int skip; /* only skip the address, don't use it */
3847 int to_other_file; /* flag: may jump to other file */
3848 {
3849 int c;
3850 int i;
3851 long n;
3852 char_u *cmd;
3853 pos_T pos;
3854 pos_T *fp;
3855 linenr_T lnum;
3856
3857 cmd = skipwhite(*ptr);
3858 lnum = MAXLNUM;
3859 do
3860 {
3861 switch (*cmd)
3862 {
3863 case '.': /* '.' - Cursor position */
3864 ++cmd;
3865 lnum = curwin->w_cursor.lnum;
3866 break;
3867
3868 case '$': /* '$' - last line */
3869 ++cmd;
3870 lnum = curbuf->b_ml.ml_line_count;
3871 break;
3872
3873 case '\'': /* ''' - mark */
3874 if (*++cmd == NUL)
3875 {
3876 cmd = NULL;
3877 goto error;
3878 }
3879 if (skip)
3880 ++cmd;
3881 else
3882 {
3883 /* Only accept a mark in another file when it is
3884 * used by itself: ":'M". */
3885 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3886 ++cmd;
3887 if (fp == (pos_T *)-1)
3888 /* Jumped to another file. */
3889 lnum = curwin->w_cursor.lnum;
3890 else
3891 {
3892 if (check_mark(fp) == FAIL)
3893 {
3894 cmd = NULL;
3895 goto error;
3896 }
3897 lnum = fp->lnum;
3898 }
3899 }
3900 break;
3901
3902 case '/':
3903 case '?': /* '/' or '?' - search */
3904 c = *cmd++;
3905 if (skip) /* skip "/pat/" */
3906 {
3907 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3908 if (*cmd == c)
3909 ++cmd;
3910 }
3911 else
3912 {
3913 pos = curwin->w_cursor; /* save curwin->w_cursor */
3914 /*
3915 * When '/' or '?' follows another address, start
3916 * from there.
3917 */
3918 if (lnum != MAXLNUM)
3919 curwin->w_cursor.lnum = lnum;
3920 /*
3921 * Start a forward search at the end of the line.
3922 * Start a backward search at the start of the line.
3923 * This makes sure we never match in the current
3924 * line, and can match anywhere in the
3925 * next/previous line.
3926 */
3927 if (c == '/')
3928 curwin->w_cursor.col = MAXCOL;
3929 else
3930 curwin->w_cursor.col = 0;
3931 searchcmdlen = 0;
3932 if (!do_search(NULL, c, cmd, 1L,
3933 SEARCH_HIS | SEARCH_MSG, NULL))
3934 {
3935 curwin->w_cursor = pos;
3936 cmd = NULL;
3937 goto error;
3938 }
3939 lnum = curwin->w_cursor.lnum;
3940 curwin->w_cursor = pos;
3941 /* adjust command string pointer */
3942 cmd += searchcmdlen;
3943 }
3944 break;
3945
3946 case '\\': /* "\?", "\/" or "\&", repeat search */
3947 ++cmd;
3948 if (*cmd == '&')
3949 i = RE_SUBST;
3950 else if (*cmd == '?' || *cmd == '/')
3951 i = RE_SEARCH;
3952 else
3953 {
3954 EMSG(_(e_backslash));
3955 cmd = NULL;
3956 goto error;
3957 }
3958
3959 if (!skip)
3960 {
3961 /*
3962 * When search follows another address, start from
3963 * there.
3964 */
3965 if (lnum != MAXLNUM)
3966 pos.lnum = lnum;
3967 else
3968 pos.lnum = curwin->w_cursor.lnum;
3969
3970 /*
3971 * Start the search just like for the above
3972 * do_search().
3973 */
3974 if (*cmd != '?')
3975 pos.col = MAXCOL;
3976 else
3977 pos.col = 0;
3978 if (searchit(curwin, curbuf, &pos,
3979 *cmd == '?' ? BACKWARD : FORWARD,
3980 (char_u *)"", 1L, SEARCH_MSG,
3981 i, (linenr_T)0, NULL) != FAIL)
3982 lnum = pos.lnum;
3983 else
3984 {
3985 cmd = NULL;
3986 goto error;
3987 }
3988 }
3989 ++cmd;
3990 break;
3991
3992 default:
3993 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
3994 lnum = getdigits(&cmd);
3995 }
3996
3997 for (;;)
3998 {
3999 cmd = skipwhite(cmd);
4000 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4001 break;
4002
4003 if (lnum == MAXLNUM)
4004 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4005 if (VIM_ISDIGIT(*cmd))
4006 i = '+'; /* "number" is same as "+number" */
4007 else
4008 i = *cmd++;
4009 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4010 n = 1;
4011 else
4012 n = getdigits(&cmd);
4013 if (i == '-')
4014 lnum -= n;
4015 else
4016 lnum += n;
4017 }
4018 } while (*cmd == '/' || *cmd == '?');
4019
4020 error:
4021 *ptr = cmd;
4022 return lnum;
4023 }
4024
4025 /*
4026 * Get flags from an Ex command argument.
4027 */
4028 static void
4029 get_flags(eap)
4030 exarg_T *eap;
4031 {
4032 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4033 {
4034 if (*eap->arg == 'l')
4035 eap->flags |= EXFLAG_LIST;
4036 else if (*eap->arg == 'p')
4037 eap->flags |= EXFLAG_PRINT;
4038 else
4039 eap->flags |= EXFLAG_NR;
4040 eap->arg = skipwhite(eap->arg + 1);
4041 }
4042 }
4043
4044 /*
4045 * Function called for command which is Not Implemented. NI!
4046 */
4047 void
4048 ex_ni(eap)
4049 exarg_T *eap;
4050 {
4051 if (!eap->skip)
4052 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4053 }
4054
4055 #ifdef HAVE_EX_SCRIPT_NI
4056 /*
4057 * Function called for script command which is Not Implemented. NI!
4058 * Skips over ":perl <<EOF" constructs.
4059 */
4060 static void
4061 ex_script_ni(eap)
4062 exarg_T *eap;
4063 {
4064 if (!eap->skip)
4065 ex_ni(eap);
4066 else
4067 vim_free(script_get(eap, eap->arg));
4068 }
4069 #endif
4070
4071 /*
4072 * Check range in Ex command for validity.
4073 * Return NULL when valid, error message when invalid.
4074 */
4075 static char_u *
4076 invalid_range(eap)
4077 exarg_T *eap;
4078 {
4079 if ( eap->line1 < 0
4080 || eap->line2 < 0
4081 || eap->line1 > eap->line2
4082 || ((eap->argt & RANGE)
4083 && !(eap->argt & NOTADR)
4084 && eap->line2 > curbuf->b_ml.ml_line_count
4085 #ifdef FEAT_DIFF
4086 + (eap->cmdidx == CMD_diffget)
4087 #endif
4088 ))
4089 return (char_u *)_(e_invrange);
4090 return NULL;
4091 }
4092
4093 /*
4094 * Correct the range for zero line number, if required.
4095 */
4096 static void
4097 correct_range(eap)
4098 exarg_T *eap;
4099 {
4100 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4101 {
4102 if (eap->line1 == 0)
4103 eap->line1 = 1;
4104 if (eap->line2 == 0)
4105 eap->line2 = 1;
4106 }
4107 }
4108
4109 #ifdef FEAT_QUICKFIX
4110 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4111
4112 /*
4113 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4114 * pattern. Otherwise return eap->arg.
4115 */
4116 static char_u *
4117 skip_grep_pat(eap)
4118 exarg_T *eap;
4119 {
4120 char_u *p = eap->arg;
4121
4122 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4123 || eap->cmdidx == CMD_vimgrepadd
4124 || eap->cmdidx == CMD_lvimgrepadd
4125 || grep_internal(eap->cmdidx)))
4126 {
4127 p = skip_vimgrep_pat(p, NULL, NULL);
4128 if (p == NULL)
4129 p = eap->arg;
4130 }
4131 return p;
4132 }
4133
4134 /*
4135 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4136 * in the command line, so that things like % get expanded.
4137 */
4138 static char_u *
4139 replace_makeprg(eap, p, cmdlinep)
4140 exarg_T *eap;
4141 char_u *p;
4142 char_u **cmdlinep;
4143 {
4144 char_u *new_cmdline;
4145 char_u *program;
4146 char_u *pos;
4147 char_u *ptr;
4148 int len;
4149 int i;
4150
4151 /*
4152 * Don't do it when ":vimgrep" is used for ":grep".
4153 */
4154 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4155 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4156 || eap->cmdidx == CMD_grepadd
4157 || eap->cmdidx == CMD_lgrepadd)
4158 && !grep_internal(eap->cmdidx))
4159 {
4160 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4161 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4162 {
4163 if (*curbuf->b_p_gp == NUL)
4164 program = p_gp;
4165 else
4166 program = curbuf->b_p_gp;
4167 }
4168 else
4169 {
4170 if (*curbuf->b_p_mp == NUL)
4171 program = p_mp;
4172 else
4173 program = curbuf->b_p_mp;
4174 }
4175
4176 p = skipwhite(p);
4177
4178 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4179 {
4180 /* replace $* by given arguments */
4181 i = 1;
4182 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4183 ++i;
4184 len = (int)STRLEN(p);
4185 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4186 if (new_cmdline == NULL)
4187 return NULL; /* out of memory */
4188 ptr = new_cmdline;
4189 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4190 {
4191 i = (int)(pos - program);
4192 STRNCPY(ptr, program, i);
4193 STRCPY(ptr += i, p);
4194 ptr += len;
4195 program = pos + 2;
4196 }
4197 STRCPY(ptr, program);
4198 }
4199 else
4200 {
4201 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4202 if (new_cmdline == NULL)
4203 return NULL; /* out of memory */
4204 STRCPY(new_cmdline, program);
4205 STRCAT(new_cmdline, " ");
4206 STRCAT(new_cmdline, p);
4207 }
4208 msg_make(p);
4209
4210 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4211 vim_free(*cmdlinep);
4212 *cmdlinep = new_cmdline;
4213 p = new_cmdline;
4214 }
4215 return p;
4216 }
4217 #endif
4218
4219 /*
4220 * Expand file name in Ex command argument.
4221 * Return FAIL for failure, OK otherwise.
4222 */
4223 int
4224 expand_filename(eap, cmdlinep, errormsgp)
4225 exarg_T *eap;
4226 char_u **cmdlinep;
4227 char_u **errormsgp;
4228 {
4229 int has_wildcards; /* need to expand wildcards */
4230 char_u *repl;
4231 int srclen;
4232 char_u *p;
4233 int n;
4234 int escaped;
4235
4236 #ifdef FEAT_QUICKFIX
4237 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4238 p = skip_grep_pat(eap);
4239 #else
4240 p = eap->arg;
4241 #endif
4242
4243 /*
4244 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4245 * the file name contains a wildcard it should not cause expanding.
4246 * (it will be expanded anyway if there is a wildcard before replacing).
4247 */
4248 has_wildcards = mch_has_wildcard(p);
4249 while (*p != NUL)
4250 {
4251 #ifdef FEAT_EVAL
4252 /* Skip over `=expr`, wildcards in it are not expanded. */
4253 if (p[0] == '`' && p[1] == '=')
4254 {
4255 p += 2;
4256 (void)skip_expr(&p);
4257 if (*p == '`')
4258 ++p;
4259 continue;
4260 }
4261 #endif
4262 /*
4263 * Quick check if this cannot be the start of a special string.
4264 * Also removes backslash before '%', '#' and '<'.
4265 */
4266 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4267 {
4268 ++p;
4269 continue;
4270 }
4271
4272 /*
4273 * Try to find a match at this position.
4274 */
4275 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4276 errormsgp, &escaped);
4277 if (*errormsgp != NULL) /* error detected */
4278 return FAIL;
4279 if (repl == NULL) /* no match found */
4280 {
4281 p += srclen;
4282 continue;
4283 }
4284
4285 /* Wildcards won't be expanded below, the replacement is taken
4286 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4287 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4288 {
4289 char_u *l = repl;
4290
4291 repl = expand_env_save(repl);
4292 vim_free(l);
4293 }
4294
4295 /* Need to escape white space et al. with a backslash.
4296 * Don't do this for:
4297 * - replacement that already has been escaped: "##"
4298 * - shell commands (may have to use quotes instead).
4299 * - non-unix systems when there is a single argument (spaces don't
4300 * separate arguments then).
4301 */
4302 if (!eap->usefilter
4303 && !escaped
4304 && eap->cmdidx != CMD_bang
4305 && eap->cmdidx != CMD_make
4306 && eap->cmdidx != CMD_lmake
4307 && eap->cmdidx != CMD_grep
4308 && eap->cmdidx != CMD_lgrep
4309 && eap->cmdidx != CMD_grepadd
4310 && eap->cmdidx != CMD_lgrepadd
4311 #ifndef UNIX
4312 && !(eap->argt & NOSPC)
4313 #endif
4314 )
4315 {
4316 char_u *l;
4317 #ifdef BACKSLASH_IN_FILENAME
4318 /* Don't escape a backslash here, because rem_backslash() doesn't
4319 * remove it later. */
4320 static char_u *nobslash = (char_u *)" \t\"|";
4321 # define ESCAPE_CHARS nobslash
4322 #else
4323 # define ESCAPE_CHARS escape_chars
4324 #endif
4325
4326 for (l = repl; *l; ++l)
4327 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4328 {
4329 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4330 if (l != NULL)
4331 {
4332 vim_free(repl);
4333 repl = l;
4334 }
4335 break;
4336 }
4337 }
4338
4339 /* For a shell command a '!' must be escaped. */
4340 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4341 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4342 {
4343 char_u *l;
4344
4345 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4346 if (l != NULL)
4347 {
4348 vim_free(repl);
4349 repl = l;
4350 /* For a sh-like shell escape "!" another time. */
4351 if (strstr((char *)p_sh, "sh") != NULL)
4352 {
4353 l = vim_strsave_escaped(repl, (char_u *)"!");
4354 if (l != NULL)
4355 {
4356 vim_free(repl);
4357 repl = l;
4358 }
4359 }
4360 }
4361 }
4362
4363 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4364 vim_free(repl);
4365 if (p == NULL)
4366 return FAIL;
4367 }
4368
4369 /*
4370 * One file argument: Expand wildcards.
4371 * Don't do this with ":r !command" or ":w !command".
4372 */
4373 if ((eap->argt & NOSPC) && !eap->usefilter)
4374 {
4375 /*
4376 * May do this twice:
4377 * 1. Replace environment variables.
4378 * 2. Replace any other wildcards, remove backslashes.
4379 */
4380 for (n = 1; n <= 2; ++n)
4381 {
4382 if (n == 2)
4383 {
4384 #ifdef UNIX
4385 /*
4386 * Only for Unix we check for more than one file name.
4387 * For other systems spaces are considered to be part
4388 * of the file name.
4389 * Only check here if there is no wildcard, otherwise
4390 * ExpandOne() will check for errors. This allows
4391 * ":e `ls ve*.c`" on Unix.
4392 */
4393 if (!has_wildcards)
4394 for (p = eap->arg; *p; ++p)
4395 {
4396 /* skip escaped characters */
4397 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4398 ++p;
4399 else if (vim_iswhite(*p))
4400 {
4401 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4402 return FAIL;
4403 }
4404 }
4405 #endif
4406
4407 /*
4408 * Halve the number of backslashes (this is Vi compatible).
4409 * For Unix and OS/2, when wildcards are expanded, this is
4410 * done by ExpandOne() below.
4411 */
4412 #if defined(UNIX) || defined(OS2)
4413 if (!has_wildcards)
4414 #endif
4415 backslash_halve(eap->arg);
4416 }
4417
4418 if (has_wildcards)
4419 {
4420 if (n == 1)
4421 {
4422 /*
4423 * First loop: May expand environment variables. This
4424 * can be done much faster with expand_env() than with
4425 * something else (e.g., calling a shell).
4426 * After expanding environment variables, check again
4427 * if there are still wildcards present.
4428 */
4429 if (vim_strchr(eap->arg, '$') != NULL
4430 || vim_strchr(eap->arg, '~') != NULL)
4431 {
4432 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4433 TRUE, TRUE, NULL);
4434 has_wildcards = mch_has_wildcard(NameBuff);
4435 p = NameBuff;
4436 }
4437 else
4438 p = NULL;
4439 }
4440 else /* n == 2 */
4441 {
4442 expand_T xpc;
4443
4444 ExpandInit(&xpc);
4445 xpc.xp_context = EXPAND_FILES;
4446 p = ExpandOne(&xpc, eap->arg, NULL,
4447 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4448 WILD_EXPAND_FREE);
4449 if (p == NULL)
4450 return FAIL;
4451 }
4452 if (p != NULL)
4453 {
4454 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4455 p, cmdlinep);
4456 if (n == 2) /* p came from ExpandOne() */
4457 vim_free(p);
4458 }
4459 }
4460 }
4461 }
4462 return OK;
4463 }
4464
4465 /*
4466 * Replace part of the command line, keeping eap->cmd, eap->arg and
4467 * eap->nextcmd correct.
4468 * "src" points to the part that is to be replaced, of length "srclen".
4469 * "repl" is the replacement string.
4470 * Returns a pointer to the character after the replaced string.
4471 * Returns NULL for failure.
4472 */
4473 static char_u *
4474 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4475 exarg_T *eap;
4476 char_u *src;
4477 int srclen;
4478 char_u *repl;
4479 char_u **cmdlinep;
4480 {
4481 int len;
4482 int i;
4483 char_u *new_cmdline;
4484
4485 /*
4486 * The new command line is build in new_cmdline[].
4487 * First allocate it.
4488 * Careful: a "+cmd" argument may have been NUL terminated.
4489 */
4490 len = (int)STRLEN(repl);
4491 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4492 if (eap->nextcmd != NULL)
4493 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4494 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4495 return NULL; /* out of memory! */
4496
4497 /*
4498 * Copy the stuff before the expanded part.
4499 * Copy the expanded stuff.
4500 * Copy what came after the expanded part.
4501 * Copy the next commands, if there are any.
4502 */
4503 i = (int)(src - *cmdlinep); /* length of part before match */
4504 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4505
4506 mch_memmove(new_cmdline + i, repl, (size_t)len);
4507 i += len; /* remember the end of the string */
4508 STRCPY(new_cmdline + i, src + srclen);
4509 src = new_cmdline + i; /* remember where to continue */
4510
4511 if (eap->nextcmd != NULL) /* append next command */
4512 {
4513 i = (int)STRLEN(new_cmdline) + 1;
4514 STRCPY(new_cmdline + i, eap->nextcmd);
4515 eap->nextcmd = new_cmdline + i;
4516 }
4517 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4518 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4519 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4520 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4521 vim_free(*cmdlinep);
4522 *cmdlinep = new_cmdline;
4523
4524 return src;
4525 }
4526
4527 /*
4528 * Check for '|' to separate commands and '"' to start comments.
4529 */
4530 void
4531 separate_nextcmd(eap)
4532 exarg_T *eap;
4533 {
4534 char_u *p;
4535
4536 #ifdef FEAT_QUICKFIX
4537 p = skip_grep_pat(eap);
4538 #else
4539 p = eap->arg;
4540 #endif
4541
4542 for ( ; *p; mb_ptr_adv(p))
4543 {
4544 if (*p == Ctrl_V)
4545 {
4546 if (eap->argt & (USECTRLV | XFILE))
4547 ++p; /* skip CTRL-V and next char */
4548 else
4549 /* remove CTRL-V and skip next char */
4550 STRMOVE(p, p + 1);
4551 if (*p == NUL) /* stop at NUL after CTRL-V */
4552 break;
4553 }
4554
4555 #ifdef FEAT_EVAL
4556 /* Skip over `=expr` when wildcards are expanded. */
4557 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4558 {
4559 p += 2;
4560 (void)skip_expr(&p);
4561 }
4562 #endif
4563
4564 /* Check for '"': start of comment or '|': next command */
4565 /* :@" and :*" do not start a comment!
4566 * :redir @" doesn't either. */
4567 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4568 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4569 || p != eap->arg)
4570 && (eap->cmdidx != CMD_redir
4571 || p != eap->arg + 1 || p[-1] != '@'))
4572 || *p == '|' || *p == '\n')
4573 {
4574 /*
4575 * We remove the '\' before the '|', unless USECTRLV is used
4576 * AND 'b' is present in 'cpoptions'.
4577 */
4578 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4579 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4580 {
4581 STRMOVE(p - 1, p); /* remove the '\' */
4582 --p;
4583 }
4584 else
4585 {
4586 eap->nextcmd = check_nextcmd(p);
4587 *p = NUL;
4588 break;
4589 }
4590 }
4591 }
4592
4593 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4594 del_trailing_spaces(eap->arg);
4595 }
4596
4597 /*
4598 * get + command from ex argument
4599 */
4600 static char_u *
4601 getargcmd(argp)
4602 char_u **argp;
4603 {
4604 char_u *arg = *argp;
4605 char_u *command = NULL;
4606
4607 if (*arg == '+') /* +[command] */
4608 {
4609 ++arg;
4610 if (vim_isspace(*arg))
4611 command = dollar_command;
4612 else
4613 {
4614 command = arg;
4615 arg = skip_cmd_arg(command, TRUE);
4616 if (*arg != NUL)
4617 *arg++ = NUL; /* terminate command with NUL */
4618 }
4619
4620 arg = skipwhite(arg); /* skip over spaces */
4621 *argp = arg;
4622 }
4623 return command;
4624 }
4625
4626 /*
4627 * Find end of "+command" argument. Skip over "\ " and "\\".
4628 */
4629 static char_u *
4630 skip_cmd_arg(p, rembs)
4631 char_u *p;
4632 int rembs; /* TRUE to halve the number of backslashes */
4633 {
4634 while (*p && !vim_isspace(*p))
4635 {
4636 if (*p == '\\' && p[1] != NUL)
4637 {
4638 if (rembs)
4639 STRMOVE(p, p + 1);
4640 else
4641 ++p;
4642 }
4643 mb_ptr_adv(p);
4644 }
4645 return p;
4646 }
4647
4648 /*
4649 * Get "++opt=arg" argument.
4650 * Return FAIL or OK.
4651 */
4652 static int
4653 getargopt(eap)
4654 exarg_T *eap;
4655 {
4656 char_u *arg = eap->arg + 2;
4657 int *pp = NULL;
4658 #ifdef FEAT_MBYTE
4659 char_u *p;
4660 #endif
4661
4662 /* ":edit ++[no]bin[ary] file" */
4663 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4664 {
4665 if (*arg == 'n')
4666 {
4667 arg += 2;
4668 eap->force_bin = FORCE_NOBIN;
4669 }
4670 else
4671 eap->force_bin = FORCE_BIN;
4672 if (!checkforcmd(&arg, "binary", 3))
4673 return FAIL;
4674 eap->arg = skipwhite(arg);
4675 return OK;
4676 }
4677
4678 /* ":read ++edit file" */
4679 if (STRNCMP(arg, "edit", 4) == 0)
4680 {
4681 eap->read_edit = TRUE;
4682 eap->arg = skipwhite(arg + 4);
4683 return OK;
4684 }
4685
4686 if (STRNCMP(arg, "ff", 2) == 0)
4687 {
4688 arg += 2;
4689 pp = &eap->force_ff;
4690 }
4691 else if (STRNCMP(arg, "fileformat", 10) == 0)
4692 {
4693 arg += 10;
4694 pp = &eap->force_ff;
4695 }
4696 #ifdef FEAT_MBYTE
4697 else if (STRNCMP(arg, "enc", 3) == 0)
4698 {
4699 arg += 3;
4700 pp = &eap->force_enc;
4701 }
4702 else if (STRNCMP(arg, "encoding", 8) == 0)
4703 {
4704 arg += 8;
4705 pp = &eap->force_enc;
4706 }
4707 else if (STRNCMP(arg, "bad", 3) == 0)
4708 {
4709 arg += 3;
4710 pp = &eap->bad_char;
4711 }
4712 #endif
4713
4714 if (pp == NULL || *arg != '=')
4715 return FAIL;
4716
4717 ++arg;
4718 *pp = (int)(arg - eap->cmd);
4719 arg = skip_cmd_arg(arg, FALSE);
4720 eap->arg = skipwhite(arg);
4721 *arg = NUL;
4722
4723 #ifdef FEAT_MBYTE
4724 if (pp == &eap->force_ff)
4725 {
4726 #endif
4727 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4728 return FAIL;
4729 #ifdef FEAT_MBYTE
4730 }
4731 else if (pp == &eap->force_enc)
4732 {
4733 /* Make 'fileencoding' lower case. */
4734 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4735 *p = TOLOWER_ASC(*p);
4736 }
4737 else
4738 {
4739 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4740 * "drop". */
4741 p = eap->cmd + eap->bad_char;
4742 if (STRICMP(p, "keep") == 0)
4743 eap->bad_char = BAD_KEEP;
4744 else if (STRICMP(p, "drop") == 0)
4745 eap->bad_char = BAD_DROP;
4746 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4747 eap->bad_char = *p;
4748 else
4749 return FAIL;
4750 }
4751 #endif
4752
4753 return OK;
4754 }
4755
4756 /*
4757 * ":abbreviate" and friends.
4758 */
4759 static void
4760 ex_abbreviate(eap)
4761 exarg_T *eap;
4762 {
4763 do_exmap(eap, TRUE); /* almost the same as mapping */
4764 }
4765
4766 /*
4767 * ":map" and friends.
4768 */
4769 static void
4770 ex_map(eap)
4771 exarg_T *eap;
4772 {
4773 /*
4774 * If we are sourcing .exrc or .vimrc in current directory we
4775 * print the mappings for security reasons.
4776 */
4777 if (secure)
4778 {
4779 secure = 2;
4780 msg_outtrans(eap->cmd);
4781 msg_putchar('\n');
4782 }
4783 do_exmap(eap, FALSE);
4784 }
4785
4786 /*
4787 * ":unmap" and friends.
4788 */
4789 static void
4790 ex_unmap(eap)
4791 exarg_T *eap;
4792 {
4793 do_exmap(eap, FALSE);
4794 }
4795
4796 /*
4797 * ":mapclear" and friends.
4798 */
4799 static void
4800 ex_mapclear(eap)
4801 exarg_T *eap;
4802 {
4803 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4804 }
4805
4806 /*
4807 * ":abclear" and friends.
4808 */
4809 static void
4810 ex_abclear(eap)
4811 exarg_T *eap;
4812 {
4813 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4814 }
4815
4816 #ifdef FEAT_AUTOCMD
4817 static void
4818 ex_autocmd(eap)
4819 exarg_T *eap;
4820 {
4821 /*
4822 * Disallow auto commands from .exrc and .vimrc in current
4823 * directory for security reasons.
4824 */
4825 if (secure)
4826 {
4827 secure = 2;
4828 eap->errmsg = e_curdir;
4829 }
4830 else if (eap->cmdidx == CMD_autocmd)
4831 do_autocmd(eap->arg, eap->forceit);
4832 else
4833 do_augroup(eap->arg, eap->forceit);
4834 }
4835
4836 /*
4837 * ":doautocmd": Apply the automatic commands to the current buffer.
4838 */
4839 static void
4840 ex_doautocmd(eap)
4841 exarg_T *eap;
4842 {
4843 (void)do_doautocmd(eap->arg, TRUE);
4844 do_modelines(0);
4845 }
4846 #endif
4847
4848 #ifdef FEAT_LISTCMDS
4849 /*
4850 * :[N]bunload[!] [N] [bufname] unload buffer
4851 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4852 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4853 */
4854 static void
4855 ex_bunload(eap)
4856 exarg_T *eap;
4857 {
4858 eap->errmsg = do_bufdel(
4859 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4860 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4861 : DOBUF_UNLOAD, eap->arg,
4862 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4863 }
4864
4865 /*
4866 * :[N]buffer [N] to buffer N
4867 * :[N]sbuffer [N] to buffer N
4868 */
4869 static void
4870 ex_buffer(eap)
4871 exarg_T *eap;
4872 {
4873 if (*eap->arg)
4874 eap->errmsg = e_trailing;
4875 else
4876 {
4877 if (eap->addr_count == 0) /* default is current buffer */
4878 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4879 else
4880 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4881 }
4882 }
4883
4884 /*
4885 * :[N]bmodified [N] to next mod. buffer
4886 * :[N]sbmodified [N] to next mod. buffer
4887 */
4888 static void
4889 ex_bmodified(eap)
4890 exarg_T *eap;
4891 {
4892 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4893 }
4894
4895 /*
4896 * :[N]bnext [N] to next buffer
4897 * :[N]sbnext [N] split and to next buffer
4898 */
4899 static void
4900 ex_bnext(eap)
4901 exarg_T *eap;
4902 {
4903 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4904 }
4905
4906 /*
4907 * :[N]bNext [N] to previous buffer
4908 * :[N]bprevious [N] to previous buffer
4909 * :[N]sbNext [N] split and to previous buffer
4910 * :[N]sbprevious [N] split and to previous buffer
4911 */
4912 static void
4913 ex_bprevious(eap)
4914 exarg_T *eap;
4915 {
4916 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4917 }
4918
4919 /*
4920 * :brewind to first buffer
4921 * :bfirst to first buffer
4922 * :sbrewind split and to first buffer
4923 * :sbfirst split and to first buffer
4924 */
4925 static void
4926 ex_brewind(eap)
4927 exarg_T *eap;
4928 {
4929 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4930 }
4931
4932 /*
4933 * :blast to last buffer
4934 * :sblast split and to last buffer
4935 */
4936 static void
4937 ex_blast(eap)
4938 exarg_T *eap;
4939 {
4940 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4941 }
4942 #endif
4943
4944 int
4945 ends_excmd(c)
4946 int c;
4947 {
4948 return (c == NUL || c == '|' || c == '"' || c == '\n');
4949 }
4950
4951 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4952 || defined(PROTO)
4953 /*
4954 * Return the next command, after the first '|' or '\n'.
4955 * Return NULL if not found.
4956 */
4957 char_u *
4958 find_nextcmd(p)
4959 char_u *p;
4960 {
4961 while (*p != '|' && *p != '\n')
4962 {
4963 if (*p == NUL)
4964 return NULL;
4965 ++p;
4966 }
4967 return (p + 1);
4968 }
4969 #endif
4970
4971 /*
4972 * Check if *p is a separator between Ex commands.
4973 * Return NULL if it isn't, (p + 1) if it is.
4974 */
4975 char_u *
4976 check_nextcmd(p)
4977 char_u *p;
4978 {
4979 p = skipwhite(p);
4980 if (*p == '|' || *p == '\n')
4981 return (p + 1);
4982 else
4983 return NULL;
4984 }
4985
4986 /*
4987 * - if there are more files to edit
4988 * - and this is the last window
4989 * - and forceit not used
4990 * - and not repeated twice on a row
4991 * return FAIL and give error message if 'message' TRUE
4992 * return OK otherwise
4993 */
4994 static int
4995 check_more(message, forceit)
4996 int message; /* when FALSE check only, no messages */
4997 int forceit;
4998 {
4999 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5000
5001 if (!forceit && only_one_window()
5002 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5003 {
5004 if (message)
5005 {
5006 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5007 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5008 {
5009 char_u buff[IOSIZE];
5010
5011 if (n == 1)
5012 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5013 else
5014 vim_snprintf((char *)buff, IOSIZE,
5015 _("%d more files to edit. Quit anyway?"), n);
5016 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5017 return OK;
5018 return FAIL;
5019 }
5020 #endif
5021 if (n == 1)
5022 EMSG(_("E173: 1 more file to edit"));
5023 else
5024 EMSGN(_("E173: %ld more files to edit"), n);
5025 quitmore = 2; /* next try to quit is allowed */
5026 }
5027 return FAIL;
5028 }
5029 return OK;
5030 }
5031
5032 #ifdef FEAT_CMDL_COMPL
5033 /*
5034 * Function given to ExpandGeneric() to obtain the list of command names.
5035 */
5036 /*ARGSUSED*/
5037 char_u *
5038 get_command_name(xp, idx)
5039 expand_T *xp;
5040 int idx;
5041 {
5042 if (idx >= (int)CMD_SIZE)
5043 # ifdef FEAT_USR_CMDS
5044 return get_user_command_name(idx);
5045 # else
5046 return NULL;
5047 # endif
5048 return cmdnames[idx].cmd_name;
5049 }
5050 #endif
5051
5052 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5053 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));
5054 static void uc_list __ARGS((char_u *name, size_t name_len));
5055 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5056 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5057 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));
5058
5059 static int
5060 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5061 char_u *name;
5062 size_t name_len;
5063 char_u *rep;
5064 long argt;
5065 long def;
5066 int flags;
5067 int compl;
5068 char_u *compl_arg;
5069 int force;
5070 {
5071 ucmd_T *cmd = NULL;
5072 char_u *p;
5073 int i;
5074 int cmp = 1;
5075 char_u *rep_buf = NULL;
5076 garray_T *gap;
5077
5078 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5079 if (rep_buf == NULL)
5080 {
5081 /* Can't replace termcodes - try using the string as is */
5082 rep_buf = vim_strsave(rep);
5083
5084 /* Give up if out of memory */
5085 if (rep_buf == NULL)
5086 return FAIL;
5087 }
5088
5089 /* get address of growarray: global or in curbuf */
5090 if (flags & UC_BUFFER)
5091 {
5092 gap = &curbuf->b_ucmds;
5093 if (gap->ga_itemsize == 0)
5094 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5095 }
5096 else
5097 gap = &ucmds;
5098
5099 /* Search for the command in the already defined commands. */
5100 for (i = 0; i < gap->ga_len; ++i)
5101 {
5102 size_t len;
5103
5104 cmd = USER_CMD_GA(gap, i);
5105 len = STRLEN(cmd->uc_name);
5106 cmp = STRNCMP(name, cmd->uc_name, name_len);
5107 if (cmp == 0)
5108 {
5109 if (name_len < len)
5110 cmp = -1;
5111 else if (name_len > len)
5112 cmp = 1;
5113 }
5114
5115 if (cmp == 0)
5116 {
5117 if (!force)
5118 {
5119 EMSG(_("E174: Command already exists: add ! to replace it"));
5120 goto fail;
5121 }
5122
5123 vim_free(cmd->uc_rep);
5124 cmd->uc_rep = 0;
5125 break;
5126 }
5127
5128 /* Stop as soon as we pass the name to add */
5129 if (cmp < 0)
5130 break;
5131 }
5132
5133 /* Extend the array unless we're replacing an existing command */
5134 if (cmp != 0)
5135 {
5136 if (ga_grow(gap, 1) != OK)
5137 goto fail;
5138 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5139 goto fail;
5140
5141 cmd = USER_CMD_GA(gap, i);
5142 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5143
5144 ++gap->ga_len;
5145
5146 cmd->uc_name = p;
5147 }
5148
5149 cmd->uc_rep = rep_buf;
5150 cmd->uc_argt = argt;
5151 cmd->uc_def = def;
5152 cmd->uc_compl = compl;
5153 #ifdef FEAT_EVAL
5154 cmd->uc_scriptID = current_SID;
5155 # ifdef FEAT_CMDL_COMPL
5156 cmd->uc_compl_arg = compl_arg;
5157 # endif
5158 #endif
5159
5160 return OK;
5161
5162 fail:
5163 vim_free(rep_buf);
5164 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5165 vim_free(compl_arg);
5166 #endif
5167 return FAIL;
5168 }
5169
5170 /*
5171 * List of names for completion for ":command" with the EXPAND_ flag.
5172 * Must be alphabetical for completion.
5173 */
5174 static struct
5175 {
5176 int expand;
5177 char *name;
5178 } command_complete[] =
5179 {
5180 {EXPAND_AUGROUP, "augroup"},
5181 {EXPAND_BUFFERS, "buffer"},
5182 {EXPAND_COMMANDS, "command"},
5183 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5184 {EXPAND_USER_DEFINED, "custom"},
5185 {EXPAND_USER_LIST, "customlist"},
5186 #endif
5187 {EXPAND_DIRECTORIES, "dir"},
5188 {EXPAND_ENV_VARS, "environment"},
5189 {EXPAND_EVENTS, "event"},
5190 {EXPAND_EXPRESSION, "expression"},
5191 {EXPAND_FILES, "file"},
5192 {EXPAND_FUNCTIONS, "function"},
5193 {EXPAND_HELP, "help"},
5194 {EXPAND_HIGHLIGHT, "highlight"},
5195 {EXPAND_MAPPINGS, "mapping"},
5196 {EXPAND_MENUS, "menu"},
5197 {EXPAND_SETTINGS, "option"},
5198 {EXPAND_SHELLCMD, "shellcmd"},
5199 {EXPAND_TAGS, "tag"},
5200 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5201 {EXPAND_USER_VARS, "var"},
5202 {0, NULL}
5203 };
5204
5205 static void
5206 uc_list(name, name_len)
5207 char_u *name;
5208 size_t name_len;
5209 {
5210 int i, j;
5211 int found = FALSE;
5212 ucmd_T *cmd;
5213 int len;
5214 long a;
5215 garray_T *gap;
5216
5217 gap = &curbuf->b_ucmds;
5218 for (;;)
5219 {
5220 for (i = 0; i < gap->ga_len; ++i)
5221 {
5222 cmd = USER_CMD_GA(gap, i);
5223 a = (long)cmd->uc_argt;
5224
5225 /* Skip commands which don't match the requested prefix */
5226 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5227 continue;
5228
5229 /* Put out the title first time */
5230 if (!found)
5231 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5232 found = TRUE;
5233 msg_putchar('\n');
5234 if (got_int)
5235 break;
5236
5237 /* Special cases */
5238 msg_putchar(a & BANG ? '!' : ' ');
5239 msg_putchar(a & REGSTR ? '"' : ' ');
5240 msg_putchar(gap != &ucmds ? 'b' : ' ');
5241 msg_putchar(' ');
5242
5243 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5244 len = (int)STRLEN(cmd->uc_name) + 4;
5245
5246 do {
5247 msg_putchar(' ');
5248 ++len;
5249 } while (len < 16);
5250
5251 len = 0;
5252
5253 /* Arguments */
5254 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5255 {
5256 case 0: IObuff[len++] = '0'; break;
5257 case (EXTRA): IObuff[len++] = '*'; break;
5258 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5259 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5260 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5261 }
5262
5263 do {
5264 IObuff[len++] = ' ';
5265 } while (len < 5);
5266
5267 /* Range */
5268 if (a & (RANGE|COUNT))
5269 {
5270 if (a & COUNT)
5271 {
5272 /* -count=N */
5273 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5274 len += (int)STRLEN(IObuff + len);
5275 }
5276 else if (a & DFLALL)
5277 IObuff[len++] = '%';
5278 else if (cmd->uc_def >= 0)
5279 {
5280 /* -range=N */
5281 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5282 len += (int)STRLEN(IObuff + len);
5283 }
5284 else
5285 IObuff[len++] = '.';
5286 }
5287
5288 do {
5289 IObuff[len++] = ' ';
5290 } while (len < 11);
5291
5292 /* Completion */
5293 for (j = 0; command_complete[j].expand != 0; ++j)
5294 if (command_complete[j].expand == cmd->uc_compl)
5295 {
5296 STRCPY(IObuff + len, command_complete[j].name);
5297 len += (int)STRLEN(IObuff + len);
5298 break;
5299 }
5300
5301 do {
5302 IObuff[len++] = ' ';
5303 } while (len < 21);
5304
5305 IObuff[len] = '\0';
5306 msg_outtrans(IObuff);
5307
5308 msg_outtrans_special(cmd->uc_rep, FALSE);
5309 #ifdef FEAT_EVAL
5310 if (p_verbose > 0)
5311 last_set_msg(cmd->uc_scriptID);
5312 #endif
5313 out_flush();
5314 ui_breakcheck();
5315 if (got_int)
5316 break;
5317 }
5318 if (gap == &ucmds || i < gap->ga_len)
5319 break;
5320 gap = &ucmds;
5321 }
5322
5323 if (!found)
5324 MSG(_("No user-defined commands found"));
5325 }
5326
5327 static char_u *
5328 uc_fun_cmd()
5329 {
5330 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5331 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5332 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5333 0xb9, 0x7f, 0};
5334 int i;
5335
5336 for (i = 0; fcmd[i]; ++i)
5337 IObuff[i] = fcmd[i] - 0x40;
5338 IObuff[i] = 0;
5339 return IObuff;
5340 }
5341
5342 static int
5343 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5344 char_u *attr;
5345 size_t len;
5346 long *argt;
5347 long *def;
5348 int *flags;
5349 int *compl;
5350 char_u **compl_arg;
5351 {
5352 char_u *p;
5353
5354 if (len == 0)
5355 {
5356 EMSG(_("E175: No attribute specified"));
5357 return FAIL;
5358 }
5359
5360 /* First, try the simple attributes (no arguments) */
5361 if (STRNICMP(attr, "bang", len) == 0)
5362 *argt |= BANG;
5363 else if (STRNICMP(attr, "buffer", len) == 0)
5364 *flags |= UC_BUFFER;
5365 else if (STRNICMP(attr, "register", len) == 0)
5366 *argt |= REGSTR;
5367 else if (STRNICMP(attr, "bar", len) == 0)
5368 *argt |= TRLBAR;
5369 else
5370 {
5371 int i;
5372 char_u *val = NULL;
5373 size_t vallen = 0;
5374 size_t attrlen = len;
5375
5376 /* Look for the attribute name - which is the part before any '=' */
5377 for (i = 0; i < (int)len; ++i)
5378 {
5379 if (attr[i] == '=')
5380 {
5381 val = &attr[i + 1];
5382 vallen = len - i - 1;
5383 attrlen = i;
5384 break;
5385 }
5386 }
5387
5388 if (STRNICMP(attr, "nargs", attrlen) == 0)
5389 {
5390 if (vallen == 1)
5391 {
5392 if (*val == '0')
5393 /* Do nothing - this is the default */;
5394 else if (*val == '1')
5395 *argt |= (EXTRA | NOSPC | NEEDARG);
5396 else if (*val == '*')
5397 *argt |= EXTRA;
5398 else if (*val == '?')
5399 *argt |= (EXTRA | NOSPC);
5400 else if (*val == '+')
5401 *argt |= (EXTRA | NEEDARG);
5402 else
5403 goto wrong_nargs;
5404 }
5405 else
5406 {
5407 wrong_nargs:
5408 EMSG(_("E176: Invalid number of arguments"));
5409 return FAIL;
5410 }
5411 }
5412 else if (STRNICMP(attr, "range", attrlen) == 0)
5413 {
5414 *argt |= RANGE;
5415 if (vallen == 1 && *val == '%')
5416 *argt |= DFLALL;
5417 else if (val != NULL)
5418 {
5419 p = val;
5420 if (*def >= 0)
5421 {
5422 two_count:
5423 EMSG(_("E177: Count cannot be specified twice"));
5424 return FAIL;
5425 }
5426
5427 *def = getdigits(&p);
5428 *argt |= (ZEROR | NOTADR);
5429
5430 if (p != val + vallen || vallen == 0)
5431 {
5432 invalid_count:
5433 EMSG(_("E178: Invalid default value for count"));
5434 return FAIL;
5435 }
5436 }
5437 }
5438 else if (STRNICMP(attr, "count", attrlen) == 0)
5439 {
5440 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5441
5442 if (val != NULL)
5443 {
5444 p = val;
5445 if (*def >= 0)
5446 goto two_count;
5447
5448 *def = getdigits(&p);
5449
5450 if (p != val + vallen)
5451 goto invalid_count;
5452 }
5453
5454 if (*def < 0)
5455 *def = 0;
5456 }
5457 else if (STRNICMP(attr, "complete", attrlen) == 0)
5458 {
5459 if (val == NULL)
5460 {
5461 EMSG(_("E179: argument required for -complete"));
5462 return FAIL;
5463 }
5464
5465 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5466 == FAIL)
5467 return FAIL;
5468 }
5469 else
5470 {
5471 char_u ch = attr[len];
5472 attr[len] = '\0';
5473 EMSG2(_("E181: Invalid attribute: %s"), attr);
5474 attr[len] = ch;
5475 return FAIL;
5476 }
5477 }
5478
5479 return OK;
5480 }
5481
5482 static void
5483 ex_command(eap)
5484 exarg_T *eap;
5485 {
5486 char_u *name;
5487 char_u *end;
5488 char_u *p;
5489 long argt = 0;
5490 long def = -1;
5491 int flags = 0;
5492 int compl = EXPAND_NOTHING;
5493 char_u *compl_arg = NULL;
5494 int has_attr = (eap->arg[0] == '-');
5495
5496 p = eap->arg;
5497
5498 /* Check for attributes */
5499 while (*p == '-')
5500 {
5501 ++p;
5502 end = skiptowhite(p);
5503 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5504 == FAIL)
5505 return;
5506 p = skipwhite(end);
5507 }
5508
5509 /* Get the name (if any) and skip to the following argument */
5510 name = p;
5511 if (ASCII_ISALPHA(*p))
5512 while (ASCII_ISALNUM(*p))
5513 ++p;
5514 if (!ends_excmd(*p) && !vim_iswhite(*p))
5515 {
5516 EMSG(_("E182: Invalid command name"));
5517 return;
5518 }
5519 end = p;
5520
5521 /* If there is nothing after the name, and no attributes were specified,
5522 * we are listing commands
5523 */
5524 p = skipwhite(end);
5525 if (!has_attr && ends_excmd(*p))
5526 {
5527 uc_list(name, end - name);
5528 }
5529 else if (!ASCII_ISUPPER(*name))
5530 {
5531 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5532 return;
5533 }
5534 else
5535 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5536 eap->forceit);
5537 }
5538
5539 /*
5540 * ":comclear"
5541 * Clear all user commands, global and for current buffer.
5542 */
5543 /*ARGSUSED*/
5544 void
5545 ex_comclear(eap)
5546 exarg_T *eap;
5547 {
5548 uc_clear(&ucmds);
5549 uc_clear(&curbuf->b_ucmds);
5550 }
5551
5552 /*
5553 * Clear all user commands for "gap".
5554 */
5555 void
5556 uc_clear(gap)
5557 garray_T *gap;
5558 {
5559 int i;
5560 ucmd_T *cmd;
5561
5562 for (i = 0; i < gap->ga_len; ++i)
5563 {
5564 cmd = USER_CMD_GA(gap, i);
5565 vim_free(cmd->uc_name);
5566 vim_free(cmd->uc_rep);
5567 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5568 vim_free(cmd->uc_compl_arg);
5569 # endif
5570 }
5571 ga_clear(gap);
5572 }
5573
5574 static void
5575 ex_delcommand(eap)
5576 exarg_T *eap;
5577 {
5578 int i = 0;
5579 ucmd_T *cmd = NULL;
5580 int cmp = -1;
5581 garray_T *gap;
5582
5583 gap = &curbuf->b_ucmds;
5584 for (;;)
5585 {
5586 for (i = 0; i < gap->ga_len; ++i)
5587 {
5588 cmd = USER_CMD_GA(gap, i);
5589 cmp = STRCMP(eap->arg, cmd->uc_name);
5590 if (cmp <= 0)
5591 break;
5592 }
5593 if (gap == &ucmds || cmp == 0)
5594 break;
5595 gap = &ucmds;
5596 }
5597
5598 if (cmp != 0)
5599 {
5600 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5601 return;
5602 }
5603
5604 vim_free(cmd->uc_name);
5605 vim_free(cmd->uc_rep);
5606 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5607 vim_free(cmd->uc_compl_arg);
5608 # endif
5609
5610 --gap->ga_len;
5611
5612 if (i < gap->ga_len)
5613 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5614 }
5615
5616 /*
5617 * split and quote args for <f-args>
5618 */
5619 static char_u *
5620 uc_split_args(arg, lenp)
5621 char_u *arg;
5622 size_t *lenp;
5623 {
5624 char_u *buf;
5625 char_u *p;
5626 char_u *q;
5627 int len;
5628
5629 /* Precalculate length */
5630 p = arg;
5631 len = 2; /* Initial and final quotes */
5632
5633 while (*p)
5634 {
5635 if (p[0] == '\\' && p[1] == '\\')
5636 {
5637 len += 2;
5638 p += 2;
5639 }
5640 else if (p[0] == '\\' && vim_iswhite(p[1]))
5641 {
5642 len += 1;
5643 p += 2;
5644 }
5645 else if (*p == '\\' || *p == '"')
5646 {
5647 len += 2;
5648 p += 1;
5649 }
5650 else if (vim_iswhite(*p))
5651 {
5652 p = skipwhite(p);
5653 if (*p == NUL)
5654 break;
5655 len += 3; /* "," */
5656 }
5657 else
5658 {
5659 ++len;
5660 ++p;
5661 }
5662 }
5663
5664 buf = alloc(len + 1);
5665 if (buf == NULL)
5666 {
5667 *lenp = 0;
5668 return buf;
5669 }
5670
5671 p = arg;
5672 q = buf;
5673 *q++ = '"';
5674 while (*p)
5675 {
5676 if (p[0] == '\\' && p[1] == '\\')
5677 {
5678 *q++ = '\\';
5679 *q++ = '\\';
5680 p += 2;
5681 }
5682 else if (p[0] == '\\' && vim_iswhite(p[1]))
5683 {
5684 *q++ = p[1];
5685 p += 2;
5686 }
5687 else if (*p == '\\' || *p == '"')
5688 {
5689 *q++ = '\\';
5690 *q++ = *p++;
5691 }
5692 else if (vim_iswhite(*p))
5693 {
5694 p = skipwhite(p);
5695 if (*p == NUL)
5696 break;
5697 *q++ = '"';
5698 *q++ = ',';
5699 *q++ = '"';
5700 }
5701 else
5702 {
5703 *q++ = *p++;
5704 }
5705 }
5706 *q++ = '"';
5707 *q = 0;
5708
5709 *lenp = len;
5710 return buf;
5711 }
5712
5713 /*
5714 * Check for a <> code in a user command.
5715 * "code" points to the '<'. "len" the length of the <> (inclusive).
5716 * "buf" is where the result is to be added.
5717 * "split_buf" points to a buffer used for splitting, caller should free it.
5718 * "split_len" is the length of what "split_buf" contains.
5719 * Returns the length of the replacement, which has been added to "buf".
5720 * Returns -1 if there was no match, and only the "<" has been copied.
5721 */
5722 static size_t
5723 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5724 char_u *code;
5725 size_t len;
5726 char_u *buf;
5727 ucmd_T *cmd; /* the user command we're expanding */
5728 exarg_T *eap; /* ex arguments */
5729 char_u **split_buf;
5730 size_t *split_len;
5731 {
5732 size_t result = 0;
5733 char_u *p = code + 1;
5734 size_t l = len - 2;
5735 int quote = 0;
5736 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5737 ct_LT, ct_NONE } type = ct_NONE;
5738
5739 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5740 {
5741 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5742 p += 2;
5743 l -= 2;
5744 }
5745
5746 ++l;
5747 if (l <= 1)
5748 type = ct_NONE;
5749 else if (STRNICMP(p, "args>", l) == 0)
5750 type = ct_ARGS;
5751 else if (STRNICMP(p, "bang>", l) == 0)
5752 type = ct_BANG;
5753 else if (STRNICMP(p, "count>", l) == 0)
5754 type = ct_COUNT;
5755 else if (STRNICMP(p, "line1>", l) == 0)
5756 type = ct_LINE1;
5757 else if (STRNICMP(p, "line2>", l) == 0)
5758 type = ct_LINE2;
5759 else if (STRNICMP(p, "lt>", l) == 0)
5760 type = ct_LT;
5761 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5762 type = ct_REGISTER;
5763
5764 switch (type)
5765 {
5766 case ct_ARGS:
5767 /* Simple case first */
5768 if (*eap->arg == NUL)
5769 {
5770 if (quote == 1)
5771 {
5772 result = 2;
5773 if (buf != NULL)
5774 STRCPY(buf, "''");
5775 }
5776 else
5777 result = 0;
5778 break;
5779 }
5780
5781 /* When specified there is a single argument don't split it.
5782 * Works for ":Cmd %" when % is "a b c". */
5783 if ((eap->argt & NOSPC) && quote == 2)
5784 quote = 1;
5785
5786 switch (quote)
5787 {
5788 case 0: /* No quoting, no splitting */
5789 result = STRLEN(eap->arg);
5790 if (buf != NULL)
5791 STRCPY(buf, eap->arg);
5792 break;
5793 case 1: /* Quote, but don't split */
5794 result = STRLEN(eap->arg) + 2;
5795 for (p = eap->arg; *p; ++p)
5796 {
5797 if (*p == '\\' || *p == '"')
5798 ++result;
5799 }
5800
5801 if (buf != NULL)
5802 {
5803 *buf++ = '"';
5804 for (p = eap->arg; *p; ++p)
5805 {
5806 if (*p == '\\' || *p == '"')
5807 *buf++ = '\\';
5808 *buf++ = *p;
5809 }
5810 *buf = '"';
5811 }
5812
5813 break;
5814 case 2: /* Quote and split (<f-args>) */
5815 /* This is hard, so only do it once, and cache the result */
5816 if (*split_buf == NULL)
5817 *split_buf = uc_split_args(eap->arg, split_len);
5818
5819 result = *split_len;
5820 if (buf != NULL && result != 0)
5821 STRCPY(buf, *split_buf);
5822
5823 break;
5824 }
5825 break;
5826
5827 case ct_BANG:
5828 result = eap->forceit ? 1 : 0;
5829 if (quote)
5830 result += 2;
5831 if (buf != NULL)
5832 {
5833 if (quote)
5834 *buf++ = '"';
5835 if (eap->forceit)
5836 *buf++ = '!';
5837 if (quote)
5838 *buf = '"';
5839 }
5840 break;
5841
5842 case ct_LINE1:
5843 case ct_LINE2:
5844 case ct_COUNT:
5845 {
5846 char num_buf[20];
5847 long num = (type == ct_LINE1) ? eap->line1 :
5848 (type == ct_LINE2) ? eap->line2 :
5849 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5850 size_t num_len;
5851
5852 sprintf(num_buf, "%ld", num);
5853 num_len = STRLEN(num_buf);
5854 result = num_len;
5855
5856 if (quote)
5857 result += 2;
5858
5859 if (buf != NULL)
5860 {
5861 if (quote)
5862 *buf++ = '"';
5863 STRCPY(buf, num_buf);
5864 buf += num_len;
5865 if (quote)
5866 *buf = '"';
5867 }
5868
5869 break;
5870 }
5871
5872 case ct_REGISTER:
5873 result = eap->regname ? 1 : 0;
5874 if (quote)
5875 result += 2;
5876 if (buf != NULL)
5877 {
5878 if (quote)
5879 *buf++ = '\'';
5880 if (eap->regname)
5881 *buf++ = eap->regname;
5882 if (quote)
5883 *buf = '\'';
5884 }
5885 break;
5886
5887 case ct_LT:
5888 result = 1;
5889 if (buf != NULL)
5890 *buf = '<';
5891 break;
5892
5893 default:
5894 /* Not recognized: just copy the '<' and return -1. */
5895 result = (size_t)-1;
5896 if (buf != NULL)
5897 *buf = '<';
5898 break;
5899 }
5900
5901 return result;
5902 }
5903
5904 static void
5905 do_ucmd(eap)
5906 exarg_T *eap;
5907 {
5908 char_u *buf;
5909 char_u *p;
5910 char_u *q;
5911
5912 char_u *start;
5913 char_u *end;
5914 size_t len, totlen;
5915
5916 size_t split_len = 0;
5917 char_u *split_buf = NULL;
5918 ucmd_T *cmd;
5919 #ifdef FEAT_EVAL
5920 scid_T save_current_SID = current_SID;
5921 #endif
5922
5923 if (eap->cmdidx == CMD_USER)
5924 cmd = USER_CMD(eap->useridx);
5925 else
5926 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5927
5928 /*
5929 * Replace <> in the command by the arguments.
5930 */
5931 buf = NULL;
5932 for (;;)
5933 {
5934 p = cmd->uc_rep;
5935 q = buf;
5936 totlen = 0;
5937 while ((start = vim_strchr(p, '<')) != NULL
5938 && (end = vim_strchr(start + 1, '>')) != NULL)
5939 {
5940 /* Include the '>' */
5941 ++end;
5942
5943 /* Take everything up to the '<' */
5944 len = start - p;
5945 if (buf == NULL)
5946 totlen += len;
5947 else
5948 {
5949 mch_memmove(q, p, len);
5950 q += len;
5951 }
5952
5953 len = uc_check_code(start, end - start, q, cmd, eap,
5954 &split_buf, &split_len);
5955 if (len == (size_t)-1)
5956 {
5957 /* no match, continue after '<' */
5958 p = start + 1;
5959 len = 1;
5960 }
5961 else
5962 p = end;
5963 if (buf == NULL)
5964 totlen += len;
5965 else
5966 q += len;
5967 }
5968 if (buf != NULL) /* second time here, finished */
5969 {
5970 STRCPY(q, p);
5971 break;
5972 }
5973
5974 totlen += STRLEN(p); /* Add on the trailing characters */
5975 buf = alloc((unsigned)(totlen + 1));
5976 if (buf == NULL)
5977 {
5978 vim_free(split_buf);
5979 return;
5980 }
5981 }
5982
5983 #ifdef FEAT_EVAL
5984 current_SID = cmd->uc_scriptID;
5985 #endif
5986 (void)do_cmdline(buf, eap->getline, eap->cookie,
5987 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5988 #ifdef FEAT_EVAL
5989 current_SID = save_current_SID;
5990 #endif
5991 vim_free(buf);
5992 vim_free(split_buf);
5993 }
5994
5995 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
5996 static char_u *
5997 get_user_command_name(idx)
5998 int idx;
5999 {
6000 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6001 }
6002
6003 /*
6004 * Function given to ExpandGeneric() to obtain the list of user command names.
6005 */
6006 /*ARGSUSED*/
6007 char_u *
6008 get_user_commands(xp, idx)
6009 expand_T *xp;
6010 int idx;
6011 {
6012 if (idx < curbuf->b_ucmds.ga_len)
6013 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6014 idx -= curbuf->b_ucmds.ga_len;
6015 if (idx < ucmds.ga_len)
6016 return USER_CMD(idx)->uc_name;
6017 return NULL;
6018 }
6019
6020 /*
6021 * Function given to ExpandGeneric() to obtain the list of user command
6022 * attributes.
6023 */
6024 /*ARGSUSED*/
6025 char_u *
6026 get_user_cmd_flags(xp, idx)
6027 expand_T *xp;
6028 int idx;
6029 {
6030 static char *user_cmd_flags[] =
6031 {"bang", "bar", "buffer", "complete", "count",
6032 "nargs", "range", "register"};
6033
6034 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6035 return NULL;
6036 return (char_u *)user_cmd_flags[idx];
6037 }
6038
6039 /*
6040 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6041 */
6042 /*ARGSUSED*/
6043 char_u *
6044 get_user_cmd_nargs(xp, idx)
6045 expand_T *xp;
6046 int idx;
6047 {
6048 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6049
6050 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6051 return NULL;
6052 return (char_u *)user_cmd_nargs[idx];
6053 }
6054
6055 /*
6056 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6057 */
6058 /*ARGSUSED*/
6059 char_u *
6060 get_user_cmd_complete(xp, idx)
6061 expand_T *xp;
6062 int idx;
6063 {
6064 return (char_u *)command_complete[idx].name;
6065 }
6066 # endif /* FEAT_CMDL_COMPL */
6067
6068 #endif /* FEAT_USR_CMDS */
6069
6070 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6071 /*
6072 * Parse a completion argument "value[vallen]".
6073 * The detected completion goes in "*complp", argument type in "*argt".
6074 * When there is an argument, for function and user defined completion, it's
6075 * copied to allocated memory and stored in "*compl_arg".
6076 * Returns FAIL if something is wrong.
6077 */
6078 int
6079 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6080 char_u *value;
6081 int vallen;
6082 int *complp;
6083 long *argt;
6084 char_u **compl_arg;
6085 {
6086 char_u *arg = NULL;
6087 size_t arglen = 0;
6088 int i;
6089 int valend = vallen;
6090
6091 /* Look for any argument part - which is the part after any ',' */
6092 for (i = 0; i < vallen; ++i)
6093 {
6094 if (value[i] == ',')
6095 {
6096 arg = &value[i + 1];
6097 arglen = vallen - i - 1;
6098 valend = i;
6099 break;
6100 }
6101 }
6102
6103 for (i = 0; command_complete[i].expand != 0; ++i)
6104 {
6105 if ((int)STRLEN(command_complete[i].name) == valend
6106 && STRNCMP(value, command_complete[i].name, valend) == 0)
6107 {
6108 *complp = command_complete[i].expand;
6109 if (command_complete[i].expand == EXPAND_BUFFERS)
6110 *argt |= BUFNAME;
6111 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6112 || command_complete[i].expand == EXPAND_FILES)
6113 *argt |= XFILE;
6114 break;
6115 }
6116 }
6117
6118 if (command_complete[i].expand == 0)
6119 {
6120 EMSG2(_("E180: Invalid complete value: %s"), value);
6121 return FAIL;
6122 }
6123
6124 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6125 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6126 && arg != NULL)
6127 # else
6128 if (arg != NULL)
6129 # endif
6130 {
6131 EMSG(_("E468: Completion argument only allowed for custom completion"));
6132 return FAIL;
6133 }
6134
6135 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6136 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6137 && arg == NULL)
6138 {
6139 EMSG(_("E467: Custom completion requires a function argument"));
6140 return FAIL;
6141 }
6142
6143 if (arg != NULL)
6144 *compl_arg = vim_strnsave(arg, (int)arglen);
6145 # endif
6146 return OK;
6147 }
6148 #endif
6149
6150 static void
6151 ex_colorscheme(eap)
6152 exarg_T *eap;
6153 {
6154 if (load_colors(eap->arg) == FAIL)
6155 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6156 }
6157
6158 static void
6159 ex_highlight(eap)
6160 exarg_T *eap;
6161 {
6162 if (*eap->arg == NUL && eap->cmd[2] == '!')
6163 MSG(_("Greetings, Vim user!"));
6164 do_highlight(eap->arg, eap->forceit, FALSE);
6165 }
6166
6167
6168 /*
6169 * Call this function if we thought we were going to exit, but we won't
6170 * (because of an error). May need to restore the terminal mode.
6171 */
6172 void
6173 not_exiting()
6174 {
6175 exiting = FALSE;
6176 settmode(TMODE_RAW);
6177 }
6178
6179 /*
6180 * ":quit": quit current window, quit Vim if closed the last window.
6181 */
6182 static void
6183 ex_quit(eap)
6184 exarg_T *eap;
6185 {
6186 #ifdef FEAT_CMDWIN
6187 if (cmdwin_type != 0)
6188 {
6189 cmdwin_result = Ctrl_C;
6190 return;
6191 }
6192 #endif
6193 /* Don't quit while editing the command line. */
6194 if (text_locked())
6195 {
6196 text_locked_msg();
6197 return;
6198 }
6199 #ifdef FEAT_AUTOCMD
6200 if (curbuf_locked())
6201 return;
6202 #endif
6203
6204 #ifdef FEAT_NETBEANS_INTG
6205 netbeansForcedQuit = eap->forceit;
6206 #endif
6207
6208 /*
6209 * If there are more files or windows we won't exit.
6210 */
6211 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6212 exiting = TRUE;
6213 if ((!P_HID(curbuf)
6214 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6215 || check_more(TRUE, eap->forceit) == FAIL
6216 || (only_one_window() && check_changed_any(eap->forceit)))
6217 {
6218 not_exiting();
6219 }
6220 else
6221 {
6222 #ifdef FEAT_WINDOWS
6223 if (only_one_window()) /* quit last window */
6224 #endif
6225 getout(0);
6226 #ifdef FEAT_WINDOWS
6227 # ifdef FEAT_GUI
6228 need_mouse_correct = TRUE;
6229 # endif
6230 /* close window; may free buffer */
6231 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6232 #endif
6233 }
6234 }
6235
6236 /*
6237 * ":cquit".
6238 */
6239 /*ARGSUSED*/
6240 static void
6241 ex_cquit(eap)
6242 exarg_T *eap;
6243 {
6244 getout(1); /* this does not always pass on the exit code to the Manx
6245 compiler. why? */
6246 }
6247
6248 /*
6249 * ":qall": try to quit all windows
6250 */
6251 static void
6252 ex_quit_all(eap)
6253 exarg_T *eap;
6254 {
6255 # ifdef FEAT_CMDWIN
6256 if (cmdwin_type != 0)
6257 {
6258 if (eap->forceit)
6259 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6260 else
6261 cmdwin_result = K_XF2;
6262 return;
6263 }
6264 # endif
6265
6266 /* Don't quit while editing the command line. */
6267 if (text_locked())
6268 {
6269 text_locked_msg();
6270 return;
6271 }
6272 #ifdef FEAT_AUTOCMD
6273 if (curbuf_locked())
6274 return;
6275 #endif
6276
6277 exiting = TRUE;
6278 if (eap->forceit || !check_changed_any(FALSE))
6279 getout(0);
6280 not_exiting();
6281 }
6282
6283 #if defined(FEAT_WINDOWS) || defined(PROTO)
6284 /*
6285 * ":close": close current window, unless it is the last one
6286 */
6287 static void
6288 ex_close(eap)
6289 exarg_T *eap;
6290 {
6291 # ifdef FEAT_CMDWIN
6292 if (cmdwin_type != 0)
6293 cmdwin_result = K_IGNORE;
6294 else
6295 # endif
6296 if (!text_locked()
6297 #ifdef FEAT_AUTOCMD
6298 && !curbuf_locked()
6299 #endif
6300 )
6301 ex_win_close(eap->forceit, curwin, NULL);
6302 }
6303
6304 # ifdef FEAT_QUICKFIX
6305 /*
6306 * ":pclose": Close any preview window.
6307 */
6308 static void
6309 ex_pclose(eap)
6310 exarg_T *eap;
6311 {
6312 win_T *win;
6313
6314 for (win = firstwin; win != NULL; win = win->w_next)
6315 if (win->w_p_pvw)
6316 {
6317 ex_win_close(eap->forceit, win, NULL);
6318 break;
6319 }
6320 }
6321 # endif
6322
6323 /*
6324 * Close window "win" and take care of handling closing the last window for a
6325 * modified buffer.
6326 */
6327 static void
6328 ex_win_close(forceit, win, tp)
6329 int forceit;
6330 win_T *win;
6331 tabpage_T *tp; /* NULL or the tab page "win" is in */
6332 {
6333 int need_hide;
6334 buf_T *buf = win->w_buffer;
6335
6336 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6337 if (need_hide && !P_HID(buf) && !forceit)
6338 {
6339 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6340 if ((p_confirm || cmdmod.confirm) && p_write)
6341 {
6342 dialog_changed(buf, FALSE);
6343 if (buf_valid(buf) && bufIsChanged(buf))
6344 return;
6345 need_hide = FALSE;
6346 }
6347 else
6348 # endif
6349 {
6350 EMSG(_(e_nowrtmsg));
6351 return;
6352 }
6353 }
6354
6355 # ifdef FEAT_GUI
6356 need_mouse_correct = TRUE;
6357 # endif
6358
6359 /* free buffer when not hiding it or when it's a scratch buffer */
6360 if (tp == NULL)
6361 win_close(win, !need_hide && !P_HID(buf));
6362 else
6363 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6364 }
6365
6366 /*
6367 * ":tabclose": close current tab page, unless it is the last one.
6368 * ":tabclose N": close tab page N.
6369 */
6370 static void
6371 ex_tabclose(eap)
6372 exarg_T *eap;
6373 {
6374 tabpage_T *tp;
6375
6376 # ifdef FEAT_CMDWIN
6377 if (cmdwin_type != 0)
6378 cmdwin_result = K_IGNORE;
6379 else
6380 # endif
6381 if (first_tabpage->tp_next == NULL)
6382 EMSG(_("E784: Cannot close last tab page"));
6383 else
6384 {
6385 if (eap->addr_count > 0)
6386 {
6387 tp = find_tabpage((int)eap->line2);
6388 if (tp == NULL)
6389 {
6390 beep_flush();
6391 return;
6392 }
6393 if (tp != curtab)
6394 {
6395 tabpage_close_other(tp, eap->forceit);
6396 return;
6397 }
6398 }
6399 if (!text_locked()
6400 #ifdef FEAT_AUTOCMD
6401 && !curbuf_locked()
6402 #endif
6403 )
6404 tabpage_close(eap->forceit);
6405 }
6406 }
6407
6408 /*
6409 * ":tabonly": close all tab pages except the current one
6410 */
6411 static void
6412 ex_tabonly(eap)
6413 exarg_T *eap;
6414 {
6415 tabpage_T *tp;
6416 int done;
6417
6418 # ifdef FEAT_CMDWIN
6419 if (cmdwin_type != 0)
6420 cmdwin_result = K_IGNORE;
6421 else
6422 # endif
6423 if (first_tabpage->tp_next == NULL)
6424 MSG(_("Already only one tab page"));
6425 else
6426 {
6427 /* Repeat this up to a 1000 times, because autocommands may mess
6428 * up the lists. */
6429 for (done = 0; done < 1000; ++done)
6430 {
6431 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6432 if (tp->tp_topframe != topframe)
6433 {
6434 tabpage_close_other(tp, eap->forceit);
6435 /* if we failed to close it quit */
6436 if (valid_tabpage(tp))
6437 done = 1000;
6438 /* start over, "tp" is now invalid */
6439 break;
6440 }
6441 if (first_tabpage->tp_next == NULL)
6442 break;
6443 }
6444 }
6445 }
6446
6447 /*
6448 * Close the current tab page.
6449 */
6450 void
6451 tabpage_close(forceit)
6452 int forceit;
6453 {
6454 /* First close all the windows but the current one. If that worked then
6455 * close the last window in this tab, that will close it. */
6456 if (lastwin != firstwin)
6457 close_others(TRUE, forceit);
6458 if (lastwin == firstwin)
6459 ex_win_close(forceit, curwin, NULL);
6460 # ifdef FEAT_GUI
6461 need_mouse_correct = TRUE;
6462 # endif
6463 }
6464
6465 /*
6466 * Close tab page "tp", which is not the current tab page.
6467 * Note that autocommands may make "tp" invalid.
6468 * Also takes care of the tab pages line disappearing when closing the
6469 * last-but-one tab page.
6470 */
6471 void
6472 tabpage_close_other(tp, forceit)
6473 tabpage_T *tp;
6474 int forceit;
6475 {
6476 int done = 0;
6477 win_T *wp;
6478 int h = tabline_height();
6479
6480 /* Limit to 1000 windows, autocommands may add a window while we close
6481 * one. OK, so I'm paranoid... */
6482 while (++done < 1000)
6483 {
6484 wp = tp->tp_firstwin;
6485 ex_win_close(forceit, wp, tp);
6486
6487 /* Autocommands may delete the tab page under our fingers and we may
6488 * fail to close a window with a modified buffer. */
6489 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6490 break;
6491 }
6492
6493 redraw_tabline = TRUE;
6494 if (h != tabline_height())
6495 shell_new_rows();
6496 }
6497
6498 /*
6499 * ":only".
6500 */
6501 static void
6502 ex_only(eap)
6503 exarg_T *eap;
6504 {
6505 # ifdef FEAT_GUI
6506 need_mouse_correct = TRUE;
6507 # endif
6508 close_others(TRUE, eap->forceit);
6509 }
6510
6511 /*
6512 * ":all" and ":sall".
6513 * Also used for ":tab drop file ..." after setting the argument list.
6514 */
6515 void
6516 ex_all(eap)
6517 exarg_T *eap;
6518 {
6519 if (eap->addr_count == 0)
6520 eap->line2 = 9999;
6521 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6522 }
6523 #endif /* FEAT_WINDOWS */
6524
6525 static void
6526 ex_hide(eap)
6527 exarg_T *eap;
6528 {
6529 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6530 eap->errmsg = e_invarg;
6531 else
6532 {
6533 /* ":hide" or ":hide | cmd": hide current window */
6534 eap->nextcmd = check_nextcmd(eap->arg);
6535 #ifdef FEAT_WINDOWS
6536 if (!eap->skip)
6537 {
6538 # ifdef FEAT_GUI
6539 need_mouse_correct = TRUE;
6540 # endif
6541 win_close(curwin, FALSE); /* don't free buffer */
6542 }
6543 #endif
6544 }
6545 }
6546
6547 /*
6548 * ":stop" and ":suspend": Suspend Vim.
6549 */
6550 static void
6551 ex_stop(eap)
6552 exarg_T *eap;
6553 {
6554 /*
6555 * Disallow suspending for "rvim".
6556 */
6557 if (!check_restricted()
6558 #ifdef WIN3264
6559 /*
6560 * Check if external commands are allowed now.
6561 */
6562 && can_end_termcap_mode(TRUE)
6563 #endif
6564 )
6565 {
6566 if (!eap->forceit)
6567 autowrite_all();
6568 windgoto((int)Rows - 1, 0);
6569 out_char('\n');
6570 out_flush();
6571 stoptermcap();
6572 out_flush(); /* needed for SUN to restore xterm buffer */
6573 #ifdef FEAT_TITLE
6574 mch_restore_title(3); /* restore window titles */
6575 #endif
6576 ui_suspend(); /* call machine specific function */
6577 #ifdef FEAT_TITLE
6578 maketitle();
6579 resettitle(); /* force updating the title */
6580 #endif
6581 starttermcap();
6582 scroll_start(); /* scroll screen before redrawing */
6583 redraw_later_clear();
6584 shell_resized(); /* may have resized window */
6585 }
6586 }
6587
6588 /*
6589 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6590 */
6591 static void
6592 ex_exit(eap)
6593 exarg_T *eap;
6594 {
6595 #ifdef FEAT_CMDWIN
6596 if (cmdwin_type != 0)
6597 {
6598 cmdwin_result = Ctrl_C;
6599 return;
6600 }
6601 #endif
6602 /* Don't quit while editing the command line. */
6603 if (text_locked())
6604 {
6605 text_locked_msg();
6606 return;
6607 }
6608 #ifdef FEAT_AUTOCMD
6609 if (curbuf_locked())
6610 return;
6611 #endif
6612
6613 /*
6614 * if more files or windows we won't exit
6615 */
6616 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6617 exiting = TRUE;
6618 if ( ((eap->cmdidx == CMD_wq
6619 || curbufIsChanged())
6620 && do_write(eap) == FAIL)
6621 || check_more(TRUE, eap->forceit) == FAIL
6622 || (only_one_window() && check_changed_any(eap->forceit)))
6623 {
6624 not_exiting();
6625 }
6626 else
6627 {
6628 #ifdef FEAT_WINDOWS
6629 if (only_one_window()) /* quit last window, exit Vim */
6630 #endif
6631 getout(0);
6632 #ifdef FEAT_WINDOWS
6633 # ifdef FEAT_GUI
6634 need_mouse_correct = TRUE;
6635 # endif
6636 /* quit current window, may free buffer */
6637 win_close(curwin, !P_HID(curwin->w_buffer));
6638 #endif
6639 }
6640 }
6641
6642 /*
6643 * ":print", ":list", ":number".
6644 */
6645 static void
6646 ex_print(eap)
6647 exarg_T *eap;
6648 {
6649 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6650 EMSG(_(e_emptybuf));
6651 else
6652 {
6653 for ( ;!got_int; ui_breakcheck())
6654 {
6655 print_line(eap->line1,
6656 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6657 || (eap->flags & EXFLAG_NR)),
6658 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6659 if (++eap->line1 > eap->line2)
6660 break;
6661 out_flush(); /* show one line at a time */
6662 }
6663 setpcmark();
6664 /* put cursor at last line */
6665 curwin->w_cursor.lnum = eap->line2;
6666 beginline(BL_SOL | BL_FIX);
6667 }
6668
6669 ex_no_reprint = TRUE;
6670 }
6671
6672 #ifdef FEAT_BYTEOFF
6673 static void
6674 ex_goto(eap)
6675 exarg_T *eap;
6676 {
6677 goto_byte(eap->line2);
6678 }
6679 #endif
6680
6681 /*
6682 * ":shell".
6683 */
6684 /*ARGSUSED*/
6685 static void
6686 ex_shell(eap)
6687 exarg_T *eap;
6688 {
6689 do_shell(NULL, 0);
6690 }
6691
6692 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6693 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6694 || defined(FEAT_GUI_MSWIN) \
6695 || defined(FEAT_GUI_MAC) \
6696 || defined(PROTO)
6697
6698 /*
6699 * Handle a file drop. The code is here because a drop is *nearly* like an
6700 * :args command, but not quite (we have a list of exact filenames, so we
6701 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6702 * code is very similar to :args and hence needs access to a lot of the static
6703 * functions in this file.
6704 *
6705 * The list should be allocated using alloc(), as should each item in the
6706 * list. This function takes over responsibility for freeing the list.
6707 *
6708 * XXX The list is made into the argument list. This is freed using
6709 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6710 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6711 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6712 * file functionality is (currently) not in EMX this is not presently a
6713 * problem.
6714 */
6715 void
6716 handle_drop(filec, filev, split)
6717 int filec; /* the number of files dropped */
6718 char_u **filev; /* the list of files dropped */
6719 int split; /* force splitting the window */
6720 {
6721 exarg_T ea;
6722 int save_msg_scroll = msg_scroll;
6723
6724 /* Postpone this while editing the command line. */
6725 if (text_locked())
6726 return;
6727 #ifdef FEAT_AUTOCMD
6728 if (curbuf_locked())
6729 return;
6730 #endif
6731
6732 /* Check whether the current buffer is changed. If so, we will need
6733 * to split the current window or data could be lost.
6734 * We don't need to check if the 'hidden' option is set, as in this
6735 * case the buffer won't be lost.
6736 */
6737 if (!P_HID(curbuf) && !split)
6738 {
6739 ++emsg_off;
6740 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6741 --emsg_off;
6742 }
6743 if (split)
6744 {
6745 # ifdef FEAT_WINDOWS
6746 if (win_split(0, 0) == FAIL)
6747 return;
6748 # ifdef FEAT_SCROLLBIND
6749 curwin->w_p_scb = FALSE;
6750 # endif
6751
6752 /* When splitting the window, create a new alist. Otherwise the
6753 * existing one is overwritten. */
6754 alist_unlink(curwin->w_alist);
6755 alist_new();
6756 # else
6757 return; /* can't split, always fail */
6758 # endif
6759 }
6760
6761 /*
6762 * Set up the new argument list.
6763 */
6764 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6765
6766 /*
6767 * Move to the first file.
6768 */
6769 /* Fake up a minimal "next" command for do_argfile() */
6770 vim_memset(&ea, 0, sizeof(ea));
6771 ea.cmd = (char_u *)"next";
6772 do_argfile(&ea, 0);
6773
6774 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6775 * mode that is not needed here. */
6776 need_start_insertmode = FALSE;
6777
6778 /* Restore msg_scroll, otherwise a following command may cause scrolling
6779 * unexpectedly. The screen will be redrawn by the caller, thus
6780 * msg_scroll being set by displaying a message is irrelevant. */
6781 msg_scroll = save_msg_scroll;
6782 }
6783 #endif
6784
6785 /*
6786 * Clear an argument list: free all file names and reset it to zero entries.
6787 */
6788 void
6789 alist_clear(al)
6790 alist_T *al;
6791 {
6792 while (--al->al_ga.ga_len >= 0)
6793 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6794 ga_clear(&al->al_ga);
6795 }
6796
6797 /*
6798 * Init an argument list.
6799 */
6800 void
6801 alist_init(al)
6802 alist_T *al;
6803 {
6804 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6805 }
6806
6807 #if defined(FEAT_WINDOWS) || defined(PROTO)
6808
6809 /*
6810 * Remove a reference from an argument list.
6811 * Ignored when the argument list is the global one.
6812 * If the argument list is no longer used by any window, free it.
6813 */
6814 void
6815 alist_unlink(al)
6816 alist_T *al;
6817 {
6818 if (al != &global_alist && --al->al_refcount <= 0)
6819 {
6820 alist_clear(al);
6821 vim_free(al);
6822 }
6823 }
6824
6825 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6826 /*
6827 * Create a new argument list and use it for the current window.
6828 */
6829 void
6830 alist_new()
6831 {
6832 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6833 if (curwin->w_alist == NULL)
6834 {
6835 curwin->w_alist = &global_alist;
6836 ++global_alist.al_refcount;
6837 }
6838 else
6839 {
6840 curwin->w_alist->al_refcount = 1;
6841 alist_init(curwin->w_alist);
6842 }
6843 }
6844 # endif
6845 #endif
6846
6847 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6848 /*
6849 * Expand the file names in the global argument list.
6850 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6851 * numbers to be re-used.
6852 */
6853 void
6854 alist_expand(fnum_list, fnum_len)
6855 int *fnum_list;
6856 int fnum_len;
6857 {
6858 char_u **old_arg_files;
6859 int old_arg_count;
6860 char_u **new_arg_files;
6861 int new_arg_file_count;
6862 char_u *save_p_su = p_su;
6863 int i;
6864
6865 /* Don't use 'suffixes' here. This should work like the shell did the
6866 * expansion. Also, the vimrc file isn't read yet, thus the user
6867 * can't set the options. */
6868 p_su = empty_option;
6869 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6870 if (old_arg_files != NULL)
6871 {
6872 for (i = 0; i < GARGCOUNT; ++i)
6873 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6874 old_arg_count = GARGCOUNT;
6875 if (expand_wildcards(old_arg_count, old_arg_files,
6876 &new_arg_file_count, &new_arg_files,
6877 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6878 && new_arg_file_count > 0)
6879 {
6880 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6881 TRUE, fnum_list, fnum_len);
6882 FreeWild(old_arg_count, old_arg_files);
6883 }
6884 }
6885 p_su = save_p_su;
6886 }
6887 #endif
6888
6889 /*
6890 * Set the argument list for the current window.
6891 * Takes over the allocated files[] and the allocated fnames in it.
6892 */
6893 void
6894 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6895 alist_T *al;
6896 int count;
6897 char_u **files;
6898 int use_curbuf;
6899 int *fnum_list;
6900 int fnum_len;
6901 {
6902 int i;
6903
6904 alist_clear(al);
6905 if (ga_grow(&al->al_ga, count) == OK)
6906 {
6907 for (i = 0; i < count; ++i)
6908 {
6909 if (got_int)
6910 {
6911 /* When adding many buffers this can take a long time. Allow
6912 * interrupting here. */
6913 while (i < count)
6914 vim_free(files[i++]);
6915 break;
6916 }
6917
6918 /* May set buffer name of a buffer previously used for the
6919 * argument list, so that it's re-used by alist_add. */
6920 if (fnum_list != NULL && i < fnum_len)
6921 buf_set_name(fnum_list[i], files[i]);
6922
6923 alist_add(al, files[i], use_curbuf ? 2 : 1);
6924 ui_breakcheck();
6925 }
6926 vim_free(files);
6927 }
6928 else
6929 FreeWild(count, files);
6930 #ifdef FEAT_WINDOWS
6931 if (al == &global_alist)
6932 #endif
6933 arg_had_last = FALSE;
6934 }
6935
6936 /*
6937 * Add file "fname" to argument list "al".
6938 * "fname" must have been allocated and "al" must have been checked for room.
6939 */
6940 void
6941 alist_add(al, fname, set_fnum)
6942 alist_T *al;
6943 char_u *fname;
6944 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6945 {
6946 if (fname == NULL) /* don't add NULL file names */
6947 return;
6948 #ifdef BACKSLASH_IN_FILENAME
6949 slash_adjust(fname);
6950 #endif
6951 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6952 if (set_fnum > 0)
6953 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6954 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6955 ++al->al_ga.ga_len;
6956 }
6957
6958 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6959 /*
6960 * Adjust slashes in file names. Called after 'shellslash' was set.
6961 */
6962 void
6963 alist_slash_adjust()
6964 {
6965 int i;
6966 # ifdef FEAT_WINDOWS
6967 win_T *wp;
6968 tabpage_T *tp;
6969 # endif
6970
6971 for (i = 0; i < GARGCOUNT; ++i)
6972 if (GARGLIST[i].ae_fname != NULL)
6973 slash_adjust(GARGLIST[i].ae_fname);
6974 # ifdef FEAT_WINDOWS
6975 FOR_ALL_TAB_WINDOWS(tp, wp)
6976 if (wp->w_alist != &global_alist)
6977 for (i = 0; i < WARGCOUNT(wp); ++i)
6978 if (WARGLIST(wp)[i].ae_fname != NULL)
6979 slash_adjust(WARGLIST(wp)[i].ae_fname);
6980 # endif
6981 }
6982 #endif
6983
6984 /*
6985 * ":preserve".
6986 */
6987 /*ARGSUSED*/
6988 static void
6989 ex_preserve(eap)
6990 exarg_T *eap;
6991 {
6992 curbuf->b_flags |= BF_PRESERVED;
6993 ml_preserve(curbuf, TRUE);
6994 }
6995
6996 /*
6997 * ":recover".
6998 */
6999 static void
7000 ex_recover(eap)
7001 exarg_T *eap;
7002 {
7003 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7004 recoverymode = TRUE;
7005 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7006 && (*eap->arg == NUL
7007 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7008 ml_recover();
7009 recoverymode = FALSE;
7010 }
7011
7012 /*
7013 * Command modifier used in a wrong way.
7014 */
7015 static void
7016 ex_wrongmodifier(eap)
7017 exarg_T *eap;
7018 {
7019 eap->errmsg = e_invcmd;
7020 }
7021
7022 #ifdef FEAT_WINDOWS
7023 /*
7024 * :sview [+command] file split window with new file, read-only
7025 * :split [[+command] file] split window with current or new file
7026 * :vsplit [[+command] file] split window vertically with current or new file
7027 * :new [[+command] file] split window with no or new file
7028 * :vnew [[+command] file] split vertically window with no or new file
7029 * :sfind [+command] file split window with file in 'path'
7030 *
7031 * :tabedit open new Tab page with empty window
7032 * :tabedit [+command] file open new Tab page and edit "file"
7033 * :tabnew [[+command] file] just like :tabedit
7034 * :tabfind [+command] file open new Tab page and find "file"
7035 */
7036 void
7037 ex_splitview(eap)
7038 exarg_T *eap;
7039 {
7040 win_T *old_curwin = curwin;
7041 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7042 char_u *fname = NULL;
7043 # endif
7044 # ifdef FEAT_BROWSE
7045 int browse_flag = cmdmod.browse;
7046 # endif
7047
7048 # ifndef FEAT_VERTSPLIT
7049 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7050 {
7051 ex_ni(eap);
7052 return;
7053 }
7054 # endif
7055
7056 # ifdef FEAT_GUI
7057 need_mouse_correct = TRUE;
7058 # endif
7059
7060 # ifdef FEAT_QUICKFIX
7061 /* A ":split" in the quickfix window works like ":new". Don't want two
7062 * quickfix windows. */
7063 if (bt_quickfix(curbuf))
7064 {
7065 if (eap->cmdidx == CMD_split)
7066 eap->cmdidx = CMD_new;
7067 # ifdef FEAT_VERTSPLIT
7068 if (eap->cmdidx == CMD_vsplit)
7069 eap->cmdidx = CMD_vnew;
7070 # endif
7071 }
7072 # endif
7073
7074 # ifdef FEAT_SEARCHPATH
7075 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7076 {
7077 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7078 FNAME_MESS, TRUE, curbuf->b_ffname);
7079 if (fname == NULL)
7080 goto theend;
7081 eap->arg = fname;
7082 }
7083 # ifdef FEAT_BROWSE
7084 else
7085 # endif
7086 # endif
7087 # ifdef FEAT_BROWSE
7088 if (cmdmod.browse
7089 # ifdef FEAT_VERTSPLIT
7090 && eap->cmdidx != CMD_vnew
7091 # endif
7092 && eap->cmdidx != CMD_new)
7093 {
7094 if (
7095 # ifdef FEAT_GUI
7096 !gui.in_use &&
7097 # endif
7098 au_has_group((char_u *)"FileExplorer"))
7099 {
7100 /* No browsing supported but we do have the file explorer:
7101 * Edit the directory. */
7102 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7103 eap->arg = (char_u *)".";
7104 }
7105 else
7106 {
7107 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7108 eap->arg, NULL, NULL, NULL, curbuf);
7109 if (fname == NULL)
7110 goto theend;
7111 eap->arg = fname;
7112 }
7113 }
7114 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7115 # endif
7116
7117 /*
7118 * Either open new tab page or split the window.
7119 */
7120 if (eap->cmdidx == CMD_tabedit
7121 || eap->cmdidx == CMD_tabfind
7122 || eap->cmdidx == CMD_tabnew)
7123 {
7124 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7125 : eap->addr_count == 0 ? 0
7126 : (int)eap->line2 + 1) != FAIL)
7127 {
7128 do_exedit(eap, old_curwin);
7129
7130 /* set the alternate buffer for the window we came from */
7131 if (curwin != old_curwin
7132 && win_valid(old_curwin)
7133 && old_curwin->w_buffer != curbuf
7134 && !cmdmod.keepalt)
7135 old_curwin->w_alt_fnum = curbuf->b_fnum;
7136 }
7137 }
7138 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7139 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7140 {
7141 # ifdef FEAT_SCROLLBIND
7142 /* Reset 'scrollbind' when editing another file, but keep it when
7143 * doing ":split" without arguments. */
7144 if (*eap->arg != NUL
7145 # ifdef FEAT_BROWSE
7146 || cmdmod.browse
7147 # endif
7148 )
7149 curwin->w_p_scb = FALSE;
7150 else
7151 do_check_scrollbind(FALSE);
7152 # endif
7153 do_exedit(eap, old_curwin);
7154 }
7155
7156 # ifdef FEAT_BROWSE
7157 cmdmod.browse = browse_flag;
7158 # endif
7159
7160 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7161 theend:
7162 vim_free(fname);
7163 # endif
7164 }
7165
7166 /*
7167 * Open a new tab page.
7168 */
7169 void
7170 tabpage_new()
7171 {
7172 exarg_T ea;
7173
7174 vim_memset(&ea, 0, sizeof(ea));
7175 ea.cmdidx = CMD_tabnew;
7176 ea.cmd = (char_u *)"tabn";
7177 ea.arg = (char_u *)"";
7178 ex_splitview(&ea);
7179 }
7180
7181 /*
7182 * :tabnext command
7183 */
7184 static void
7185 ex_tabnext(eap)
7186 exarg_T *eap;
7187 {
7188 switch (eap->cmdidx)
7189 {
7190 case CMD_tabfirst:
7191 case CMD_tabrewind:
7192 goto_tabpage(1);
7193 break;
7194 case CMD_tablast:
7195 goto_tabpage(9999);
7196 break;
7197 case CMD_tabprevious:
7198 case CMD_tabNext:
7199 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7200 break;
7201 default: /* CMD_tabnext */
7202 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7203 break;
7204 }
7205 }
7206
7207 /*
7208 * :tabmove command
7209 */
7210 static void
7211 ex_tabmove(eap)
7212 exarg_T *eap;
7213 {
7214 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7215 }
7216
7217 /*
7218 * :tabs command: List tabs and their contents.
7219 */
7220 /*ARGSUSED*/
7221 static void
7222 ex_tabs(eap)
7223 exarg_T *eap;
7224 {
7225 tabpage_T *tp;
7226 win_T *wp;
7227 int tabcount = 1;
7228
7229 msg_start();
7230 msg_scroll = TRUE;
7231 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7232 {
7233 msg_putchar('\n');
7234 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7235 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7236 out_flush(); /* output one line at a time */
7237 ui_breakcheck();
7238
7239 if (tp == curtab)
7240 wp = firstwin;
7241 else
7242 wp = tp->tp_firstwin;
7243 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7244 {
7245 msg_putchar('\n');
7246 msg_putchar(wp == curwin ? '>' : ' ');
7247 msg_putchar(' ');
7248 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7249 msg_putchar(' ');
7250 if (buf_spname(wp->w_buffer) != NULL)
7251 STRCPY(IObuff, buf_spname(wp->w_buffer));
7252 else
7253 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7254 IObuff, IOSIZE, TRUE);
7255 msg_outtrans(IObuff);
7256 out_flush(); /* output one line at a time */
7257 ui_breakcheck();
7258 }
7259 }
7260 }
7261
7262 #endif /* FEAT_WINDOWS */
7263
7264 /*
7265 * ":mode": Set screen mode.
7266 * If no argument given, just get the screen size and redraw.
7267 */
7268 static void
7269 ex_mode(eap)
7270 exarg_T *eap;
7271 {
7272 if (*eap->arg == NUL)
7273 shell_resized();
7274 else
7275 mch_screenmode(eap->arg);
7276 }
7277
7278 #ifdef FEAT_WINDOWS
7279 /*
7280 * ":resize".
7281 * set, increment or decrement current window height
7282 */
7283 static void
7284 ex_resize(eap)
7285 exarg_T *eap;
7286 {
7287 int n;
7288 win_T *wp = curwin;
7289
7290 if (eap->addr_count > 0)
7291 {
7292 n = eap->line2;
7293 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7294 ;
7295 }
7296
7297 #ifdef FEAT_GUI
7298 need_mouse_correct = TRUE;
7299 #endif
7300 n = atol((char *)eap->arg);
7301 #ifdef FEAT_VERTSPLIT
7302 if (cmdmod.split & WSP_VERT)
7303 {
7304 if (*eap->arg == '-' || *eap->arg == '+')
7305 n += W_WIDTH(curwin);
7306 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7307 n = 9999;
7308 win_setwidth_win((int)n, wp);
7309 }
7310 else
7311 #endif
7312 {
7313 if (*eap->arg == '-' || *eap->arg == '+')
7314 n += curwin->w_height;
7315 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7316 n = 9999;
7317 win_setheight_win((int)n, wp);
7318 }
7319 }
7320 #endif
7321
7322 /*
7323 * ":find [+command] <file>" command.
7324 */
7325 static void
7326 ex_find(eap)
7327 exarg_T *eap;
7328 {
7329 #ifdef FEAT_SEARCHPATH
7330 char_u *fname;
7331 int count;
7332
7333 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7334 TRUE, curbuf->b_ffname);
7335 if (eap->addr_count > 0)
7336 {
7337 /* Repeat finding the file "count" times. This matters when it
7338 * appears several times in the path. */
7339 count = eap->line2;
7340 while (fname != NULL && --count > 0)
7341 {
7342 vim_free(fname);
7343 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7344 FALSE, curbuf->b_ffname);
7345 }
7346 }
7347
7348 if (fname != NULL)
7349 {
7350 eap->arg = fname;
7351 #endif
7352 do_exedit(eap, NULL);
7353 #ifdef FEAT_SEARCHPATH
7354 vim_free(fname);
7355 }
7356 #endif
7357 }
7358
7359 /*
7360 * ":open" simulation: for now just work like ":visual".
7361 */
7362 static void
7363 ex_open(eap)
7364 exarg_T *eap;
7365 {
7366 regmatch_T regmatch;
7367 char_u *p;
7368
7369 curwin->w_cursor.lnum = eap->line2;
7370 beginline(BL_SOL | BL_FIX);
7371 if (*eap->arg == '/')
7372 {
7373 /* ":open /pattern/": put cursor in column found with pattern */
7374 ++eap->arg;
7375 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7376 *p = NUL;
7377 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7378 if (regmatch.regprog != NULL)
7379 {
7380 regmatch.rm_ic = p_ic;
7381 p = ml_get_curline();
7382 if (vim_regexec(&regmatch, p, (colnr_T)0))
7383 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7384 else
7385 EMSG(_(e_nomatch));
7386 vim_free(regmatch.regprog);
7387 }
7388 /* Move to the NUL, ignore any other arguments. */
7389 eap->arg += STRLEN(eap->arg);
7390 }
7391 check_cursor();
7392
7393 eap->cmdidx = CMD_visual;
7394 do_exedit(eap, NULL);
7395 }
7396
7397 /*
7398 * ":edit", ":badd", ":visual".
7399 */
7400 static void
7401 ex_edit(eap)
7402 exarg_T *eap;
7403 {
7404 do_exedit(eap, NULL);
7405 }
7406
7407 /*
7408 * ":edit <file>" command and alikes.
7409 */
7410 /*ARGSUSED*/
7411 void
7412 do_exedit(eap, old_curwin)
7413 exarg_T *eap;
7414 win_T *old_curwin; /* curwin before doing a split or NULL */
7415 {
7416 int n;
7417 #ifdef FEAT_WINDOWS
7418 int need_hide;
7419 #endif
7420 int exmode_was = exmode_active;
7421
7422 /*
7423 * ":vi" command ends Ex mode.
7424 */
7425 if (exmode_active && (eap->cmdidx == CMD_visual
7426 || eap->cmdidx == CMD_view))
7427 {
7428 exmode_active = FALSE;
7429 if (*eap->arg == NUL)
7430 {
7431 /* Special case: ":global/pat/visual\NLvi-commands" */
7432 if (global_busy)
7433 {
7434 int rd = RedrawingDisabled;
7435 int nwr = no_wait_return;
7436 int ms = msg_scroll;
7437 #ifdef FEAT_GUI
7438 int he = hold_gui_events;
7439 #endif
7440
7441 if (eap->nextcmd != NULL)
7442 {
7443 stuffReadbuff(eap->nextcmd);
7444 eap->nextcmd = NULL;
7445 }
7446
7447 if (exmode_was != EXMODE_VIM)
7448 settmode(TMODE_RAW);
7449 RedrawingDisabled = 0;
7450 no_wait_return = 0;
7451 need_wait_return = FALSE;
7452 msg_scroll = 0;
7453 #ifdef FEAT_GUI
7454 hold_gui_events = 0;
7455 #endif
7456 must_redraw = CLEAR;
7457
7458 main_loop(FALSE, TRUE);
7459
7460 RedrawingDisabled = rd;
7461 no_wait_return = nwr;
7462 msg_scroll = ms;
7463 #ifdef FEAT_GUI
7464 hold_gui_events = he;
7465 #endif
7466 }
7467 return;
7468 }
7469 }
7470
7471 if ((eap->cmdidx == CMD_new
7472 || eap->cmdidx == CMD_tabnew
7473 || eap->cmdidx == CMD_tabedit
7474 #ifdef FEAT_VERTSPLIT
7475 || eap->cmdidx == CMD_vnew
7476 #endif
7477 ) && *eap->arg == NUL)
7478 {
7479 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7480 setpcmark();
7481 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7482 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7483 }
7484 else if ((eap->cmdidx != CMD_split
7485 #ifdef FEAT_VERTSPLIT
7486 && eap->cmdidx != CMD_vsplit
7487 #endif
7488 )
7489 || *eap->arg != NUL
7490 #ifdef FEAT_BROWSE
7491 || cmdmod.browse
7492 #endif
7493 )
7494 {
7495 #ifdef FEAT_AUTOCMD
7496 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7497 * can bring us here, others are stopped earlier. */
7498 if (*eap->arg != NUL && curbuf_locked())
7499 return;
7500 #endif
7501 n = readonlymode;
7502 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7503 readonlymode = TRUE;
7504 else if (eap->cmdidx == CMD_enew)
7505 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7506 empty buffer */
7507 setpcmark();
7508 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7509 NULL, eap,
7510 /* ":edit" goes to first line if Vi compatible */
7511 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7512 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7513 ? ECMD_ONE : eap->do_ecmd_lnum,
7514 (P_HID(curbuf) ? ECMD_HIDE : 0)
7515 + (eap->forceit ? ECMD_FORCEIT : 0)
7516 #ifdef FEAT_LISTCMDS
7517 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7518 #endif
7519 ) == FAIL)
7520 {
7521 /* Editing the file failed. If the window was split, close it. */
7522 #ifdef FEAT_WINDOWS
7523 if (old_curwin != NULL)
7524 {
7525 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7526 if (!need_hide || P_HID(curbuf))
7527 {
7528 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7529 cleanup_T cs;
7530
7531 /* Reset the error/interrupt/exception state here so that
7532 * aborting() returns FALSE when closing a window. */
7533 enter_cleanup(&cs);
7534 # endif
7535 # ifdef FEAT_GUI
7536 need_mouse_correct = TRUE;
7537 # endif
7538 win_close(curwin, !need_hide && !P_HID(curbuf));
7539
7540 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7541 /* Restore the error/interrupt/exception state if not
7542 * discarded by a new aborting error, interrupt, or
7543 * uncaught exception. */
7544 leave_cleanup(&cs);
7545 # endif
7546 }
7547 }
7548 #endif
7549 }
7550 else if (readonlymode && curbuf->b_nwindows == 1)
7551 {
7552 /* When editing an already visited buffer, 'readonly' won't be set
7553 * but the previous value is kept. With ":view" and ":sview" we
7554 * want the file to be readonly, except when another window is
7555 * editing the same buffer. */
7556 curbuf->b_p_ro = TRUE;
7557 }
7558 readonlymode = n;
7559 }
7560 else
7561 {
7562 if (eap->do_ecmd_cmd != NULL)
7563 do_cmdline_cmd(eap->do_ecmd_cmd);
7564 #ifdef FEAT_TITLE
7565 n = curwin->w_arg_idx_invalid;
7566 #endif
7567 check_arg_idx(curwin);
7568 #ifdef FEAT_TITLE
7569 if (n != curwin->w_arg_idx_invalid)
7570 maketitle();
7571 #endif
7572 }
7573
7574 #ifdef FEAT_WINDOWS
7575 /*
7576 * if ":split file" worked, set alternate file name in old window to new
7577 * file
7578 */
7579 if (old_curwin != NULL
7580 && *eap->arg != NUL
7581 && curwin != old_curwin
7582 && win_valid(old_curwin)
7583 && old_curwin->w_buffer != curbuf
7584 && !cmdmod.keepalt)
7585 old_curwin->w_alt_fnum = curbuf->b_fnum;
7586 #endif
7587
7588 ex_no_reprint = TRUE;
7589 }
7590
7591 #ifndef FEAT_GUI
7592 /*
7593 * ":gui" and ":gvim" when there is no GUI.
7594 */
7595 static void
7596 ex_nogui(eap)
7597 exarg_T *eap;
7598 {
7599 eap->errmsg = e_nogvim;
7600 }
7601 #endif
7602
7603 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7604 static void
7605 ex_tearoff(eap)
7606 exarg_T *eap;
7607 {
7608 gui_make_tearoff(eap->arg);
7609 }
7610 #endif
7611
7612 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7613 static void
7614 ex_popup(eap)
7615 exarg_T *eap;
7616 {
7617 gui_make_popup(eap->arg, eap->forceit);
7618 }
7619 #endif
7620
7621 /*ARGSUSED*/
7622 static void
7623 ex_swapname(eap)
7624 exarg_T *eap;
7625 {
7626 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7627 MSG(_("No swap file"));
7628 else
7629 msg(curbuf->b_ml.ml_mfp->mf_fname);
7630 }
7631
7632 /*
7633 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7634 * offset.
7635 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7636 */
7637 /*ARGSUSED*/
7638 static void
7639 ex_syncbind(eap)
7640 exarg_T *eap;
7641 {
7642 #ifdef FEAT_SCROLLBIND
7643 win_T *wp;
7644 long topline;
7645 long y;
7646 linenr_T old_linenr = curwin->w_cursor.lnum;
7647
7648 setpcmark();
7649
7650 /*
7651 * determine max topline
7652 */
7653 if (curwin->w_p_scb)
7654 {
7655 topline = curwin->w_topline;
7656 for (wp = firstwin; wp; wp = wp->w_next)
7657 {
7658 if (wp->w_p_scb && wp->w_buffer)
7659 {
7660 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7661 if (topline > y)
7662 topline = y;
7663 }
7664 }
7665 if (topline < 1)
7666 topline = 1;
7667 }
7668 else
7669 {
7670 topline = 1;
7671 }
7672
7673
7674 /*
7675 * set all scrollbind windows to the same topline
7676 */
7677 wp = curwin;
7678 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7679 {
7680 if (curwin->w_p_scb)
7681 {
7682 y = topline - curwin->w_topline;
7683 if (y > 0)
7684 scrollup(y, TRUE);
7685 else
7686 scrolldown(-y, TRUE);
7687 curwin->w_scbind_pos = topline;
7688 redraw_later(VALID);
7689 cursor_correct();
7690 #ifdef FEAT_WINDOWS
7691 curwin->w_redr_status = TRUE;
7692 #endif
7693 }
7694 }
7695 curwin = wp;
7696 if (curwin->w_p_scb)
7697 {
7698 did_syncbind = TRUE;
7699 checkpcmark();
7700 if (old_linenr != curwin->w_cursor.lnum)
7701 {
7702 char_u ctrl_o[2];
7703
7704 ctrl_o[0] = Ctrl_O;
7705 ctrl_o[1] = 0;
7706 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7707 }
7708 }
7709 #endif
7710 }
7711
7712
7713 static void
7714 ex_read(eap)
7715 exarg_T *eap;
7716 {
7717 int i;
7718 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7719 linenr_T lnum;
7720
7721 if (eap->usefilter) /* :r!cmd */
7722 do_bang(1, eap, FALSE, FALSE, TRUE);
7723 else
7724 {
7725 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7726 return;
7727
7728 #ifdef FEAT_BROWSE
7729 if (cmdmod.browse)
7730 {
7731 char_u *browseFile;
7732
7733 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7734 NULL, NULL, NULL, curbuf);
7735 if (browseFile != NULL)
7736 {
7737 i = readfile(browseFile, NULL,
7738 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7739 vim_free(browseFile);
7740 }
7741 else
7742 i = OK;
7743 }
7744 else
7745 #endif
7746 if (*eap->arg == NUL)
7747 {
7748 if (check_fname() == FAIL) /* check for no file name */
7749 return;
7750 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7751 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7752 }
7753 else
7754 {
7755 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7756 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7757 i = readfile(eap->arg, NULL,
7758 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7759
7760 }
7761 if (i == FAIL)
7762 {
7763 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7764 if (!aborting())
7765 #endif
7766 EMSG2(_(e_notopen), eap->arg);
7767 }
7768 else
7769 {
7770 if (empty && exmode_active)
7771 {
7772 /* Delete the empty line that remains. Historically ex does
7773 * this but vi doesn't. */
7774 if (eap->line2 == 0)
7775 lnum = curbuf->b_ml.ml_line_count;
7776 else
7777 lnum = 1;
7778 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7779 {
7780 ml_delete(lnum, FALSE);
7781 deleted_lines_mark(lnum, 1L);
7782 if (curwin->w_cursor.lnum > 1
7783 && curwin->w_cursor.lnum >= lnum)
7784 --curwin->w_cursor.lnum;
7785 }
7786 }
7787 redraw_curbuf_later(VALID);
7788 }
7789 }
7790 }
7791
7792 static char_u *prev_dir = NULL;
7793
7794 #if defined(EXITFREE) || defined(PROTO)
7795 void
7796 free_cd_dir()
7797 {
7798 vim_free(prev_dir);
7799 prev_dir = NULL;
7800 }
7801 #endif
7802
7803
7804 /*
7805 * ":cd", ":lcd", ":chdir" and ":lchdir".
7806 */
7807 void
7808 ex_cd(eap)
7809 exarg_T *eap;
7810 {
7811 char_u *new_dir;
7812 char_u *tofree;
7813
7814 new_dir = eap->arg;
7815 #if !defined(UNIX) && !defined(VMS)
7816 /* for non-UNIX ":cd" means: print current directory */
7817 if (*new_dir == NUL)
7818 ex_pwd(NULL);
7819 else
7820 #endif
7821 {
7822 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7823 && !eap->forceit)
7824 {
7825 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7826 return;
7827 }
7828
7829 /* ":cd -": Change to previous directory */
7830 if (STRCMP(new_dir, "-") == 0)
7831 {
7832 if (prev_dir == NULL)
7833 {
7834 EMSG(_("E186: No previous directory"));
7835 return;
7836 }
7837 new_dir = prev_dir;
7838 }
7839
7840 /* Save current directory for next ":cd -" */
7841 tofree = prev_dir;
7842 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7843 prev_dir = vim_strsave(NameBuff);
7844 else
7845 prev_dir = NULL;
7846
7847 #if defined(UNIX) || defined(VMS)
7848 /* for UNIX ":cd" means: go to home directory */
7849 if (*new_dir == NUL)
7850 {
7851 /* use NameBuff for home directory name */
7852 # ifdef VMS
7853 char_u *p;
7854
7855 p = mch_getenv((char_u *)"SYS$LOGIN");
7856 if (p == NULL || *p == NUL) /* empty is the same as not set */
7857 NameBuff[0] = NUL;
7858 else
7859 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7860 # else
7861 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7862 # endif
7863 new_dir = NameBuff;
7864 }
7865 #endif
7866 if (new_dir == NULL || vim_chdir(new_dir))
7867 EMSG(_(e_failed));
7868 else
7869 {
7870 vim_free(curwin->w_localdir);
7871 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7872 {
7873 /* If still in global directory, need to remember current
7874 * directory as global directory. */
7875 if (globaldir == NULL && prev_dir != NULL)
7876 globaldir = vim_strsave(prev_dir);
7877 /* Remember this local directory for the window. */
7878 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7879 curwin->w_localdir = vim_strsave(NameBuff);
7880 }
7881 else
7882 {
7883 /* We are now in the global directory, no need to remember its
7884 * name. */
7885 vim_free(globaldir);
7886 globaldir = NULL;
7887 curwin->w_localdir = NULL;
7888 }
7889
7890 shorten_fnames(TRUE);
7891
7892 /* Echo the new current directory if the command was typed. */
7893 if (KeyTyped)
7894 ex_pwd(eap);
7895 }
7896 vim_free(tofree);
7897 }
7898 }
7899
7900 /*
7901 * ":pwd".
7902 */
7903 /*ARGSUSED*/
7904 static void
7905 ex_pwd(eap)
7906 exarg_T *eap;
7907 {
7908 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7909 {
7910 #ifdef BACKSLASH_IN_FILENAME
7911 slash_adjust(NameBuff);
7912 #endif
7913 msg(NameBuff);
7914 }
7915 else
7916 EMSG(_("E187: Unknown"));
7917 }
7918
7919 /*
7920 * ":=".
7921 */
7922 static void
7923 ex_equal(eap)
7924 exarg_T *eap;
7925 {
7926 smsg((char_u *)"%ld", (long)eap->line2);
7927 ex_may_print(eap);
7928 }
7929
7930 static void
7931 ex_sleep(eap)
7932 exarg_T *eap;
7933 {
7934 int n;
7935 long len;
7936
7937 if (cursor_valid())
7938 {
7939 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7940 if (n >= 0)
7941 windgoto((int)n, curwin->w_wcol);
7942 }
7943
7944 len = eap->line2;
7945 switch (*eap->arg)
7946 {
7947 case 'm': break;
7948 case NUL: len *= 1000L; break;
7949 default: EMSG2(_(e_invarg2), eap->arg); return;
7950 }
7951 do_sleep(len);
7952 }
7953
7954 /*
7955 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7956 */
7957 void
7958 do_sleep(msec)
7959 long msec;
7960 {
7961 long done;
7962
7963 cursor_on();
7964 out_flush();
7965 for (done = 0; !got_int && done < msec; done += 1000L)
7966 {
7967 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7968 ui_breakcheck();
7969 }
7970 }
7971
7972 static void
7973 do_exmap(eap, isabbrev)
7974 exarg_T *eap;
7975 int isabbrev;
7976 {
7977 int mode;
7978 char_u *cmdp;
7979
7980 cmdp = eap->cmd;
7981 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7982
7983 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7984 eap->arg, mode, isabbrev))
7985 {
7986 case 1: EMSG(_(e_invarg));
7987 break;
7988 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
7989 break;
7990 }
7991 }
7992
7993 /*
7994 * ":winsize" command (obsolete).
7995 */
7996 static void
7997 ex_winsize(eap)
7998 exarg_T *eap;
7999 {
8000 int w, h;
8001 char_u *arg = eap->arg;
8002 char_u *p;
8003
8004 w = getdigits(&arg);
8005 arg = skipwhite(arg);
8006 p = arg;
8007 h = getdigits(&arg);
8008 if (*p != NUL && *arg == NUL)
8009 set_shellsize(w, h, TRUE);
8010 else
8011 EMSG(_("E465: :winsize requires two number arguments"));
8012 }
8013
8014 #ifdef FEAT_WINDOWS
8015 static void
8016 ex_wincmd(eap)
8017 exarg_T *eap;
8018 {
8019 int xchar = NUL;
8020 char_u *p;
8021
8022 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8023 {
8024 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8025 if (eap->arg[1] == NUL)
8026 {
8027 EMSG(_(e_invarg));
8028 return;
8029 }
8030 xchar = eap->arg[1];
8031 p = eap->arg + 2;
8032 }
8033 else
8034 p = eap->arg + 1;
8035
8036 eap->nextcmd = check_nextcmd(p);
8037 p = skipwhite(p);
8038 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8039 EMSG(_(e_invarg));
8040 else
8041 {
8042 /* Pass flags on for ":vertical wincmd ]". */
8043 postponed_split_flags = cmdmod.split;
8044 postponed_split_tab = cmdmod.tab;
8045 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8046 postponed_split_flags = 0;
8047 postponed_split_tab = 0;
8048 }
8049 }
8050 #endif
8051
8052 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8053 /*
8054 * ":winpos".
8055 */
8056 static void
8057 ex_winpos(eap)
8058 exarg_T *eap;
8059 {
8060 int x, y;
8061 char_u *arg = eap->arg;
8062 char_u *p;
8063
8064 if (*arg == NUL)
8065 {
8066 # if defined(FEAT_GUI) || defined(MSWIN)
8067 # ifdef FEAT_GUI
8068 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8069 # else
8070 if (mch_get_winpos(&x, &y) != FAIL)
8071 # endif
8072 {
8073 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8074 msg(IObuff);
8075 }
8076 else
8077 # endif
8078 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8079 }
8080 else
8081 {
8082 x = getdigits(&arg);
8083 arg = skipwhite(arg);
8084 p = arg;
8085 y = getdigits(&arg);
8086 if (*p == NUL || *arg != NUL)
8087 {
8088 EMSG(_("E466: :winpos requires two number arguments"));
8089 return;
8090 }
8091 # ifdef FEAT_GUI
8092 if (gui.in_use)
8093 gui_mch_set_winpos(x, y);
8094 else if (gui.starting)
8095 {
8096 /* Remember the coordinates for when the window is opened. */
8097 gui_win_x = x;
8098 gui_win_y = y;
8099 }
8100 # ifdef HAVE_TGETENT
8101 else
8102 # endif
8103 # else
8104 # ifdef MSWIN
8105 mch_set_winpos(x, y);
8106 # endif
8107 # endif
8108 # ifdef HAVE_TGETENT
8109 if (*T_CWP)
8110 term_set_winpos(x, y);
8111 # endif
8112 }
8113 }
8114 #endif
8115
8116 /*
8117 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8118 */
8119 static void
8120 ex_operators(eap)
8121 exarg_T *eap;
8122 {
8123 oparg_T oa;
8124
8125 clear_oparg(&oa);
8126 oa.regname = eap->regname;
8127 oa.start.lnum = eap->line1;
8128 oa.end.lnum = eap->line2;
8129 oa.line_count = eap->line2 - eap->line1 + 1;
8130 oa.motion_type = MLINE;
8131 #ifdef FEAT_VIRTUALEDIT
8132 virtual_op = FALSE;
8133 #endif
8134 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8135 {
8136 setpcmark();
8137 curwin->w_cursor.lnum = eap->line1;
8138 beginline(BL_SOL | BL_FIX);
8139 }
8140
8141 switch (eap->cmdidx)
8142 {
8143 case CMD_delete:
8144 oa.op_type = OP_DELETE;
8145 op_delete(&oa);
8146 break;
8147
8148 case CMD_yank:
8149 oa.op_type = OP_YANK;
8150 (void)op_yank(&oa, FALSE, TRUE);
8151 break;
8152
8153 default: /* CMD_rshift or CMD_lshift */
8154 if ((eap->cmdidx == CMD_rshift)
8155 #ifdef FEAT_RIGHTLEFT
8156 ^ curwin->w_p_rl
8157 #endif
8158 )
8159 oa.op_type = OP_RSHIFT;
8160 else
8161 oa.op_type = OP_LSHIFT;
8162 op_shift(&oa, FALSE, eap->amount);
8163 break;
8164 }
8165 #ifdef FEAT_VIRTUALEDIT
8166 virtual_op = MAYBE;
8167 #endif
8168 ex_may_print(eap);
8169 }
8170
8171 /*
8172 * ":put".
8173 */
8174 static void
8175 ex_put(eap)
8176 exarg_T *eap;
8177 {
8178 /* ":0put" works like ":1put!". */
8179 if (eap->line2 == 0)
8180 {
8181 eap->line2 = 1;
8182 eap->forceit = TRUE;
8183 }
8184 curwin->w_cursor.lnum = eap->line2;
8185 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8186 PUT_LINE|PUT_CURSLINE);
8187 }
8188
8189 /*
8190 * Handle ":copy" and ":move".
8191 */
8192 static void
8193 ex_copymove(eap)
8194 exarg_T *eap;
8195 {
8196 long n;
8197
8198 n = get_address(&eap->arg, FALSE, FALSE);
8199 if (eap->arg == NULL) /* error detected */
8200 {
8201 eap->nextcmd = NULL;
8202 return;
8203 }
8204 get_flags(eap);
8205
8206 /*
8207 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8208 */
8209 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8210 {
8211 EMSG(_(e_invaddr));
8212 return;
8213 }
8214
8215 if (eap->cmdidx == CMD_move)
8216 {
8217 if (do_move(eap->line1, eap->line2, n) == FAIL)
8218 return;
8219 }
8220 else
8221 ex_copy(eap->line1, eap->line2, n);
8222 u_clearline();
8223 beginline(BL_SOL | BL_FIX);
8224 ex_may_print(eap);
8225 }
8226
8227 /*
8228 * Print the current line if flags were given to the Ex command.
8229 */
8230 static void
8231 ex_may_print(eap)
8232 exarg_T *eap;
8233 {
8234 if (eap->flags != 0)
8235 {
8236 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8237 (eap->flags & EXFLAG_LIST));
8238 ex_no_reprint = TRUE;
8239 }
8240 }
8241
8242 /*
8243 * ":smagic" and ":snomagic".
8244 */
8245 static void
8246 ex_submagic(eap)
8247 exarg_T *eap;
8248 {
8249 int magic_save = p_magic;
8250
8251 p_magic = (eap->cmdidx == CMD_smagic);
8252 do_sub(eap);
8253 p_magic = magic_save;
8254 }
8255
8256 /*
8257 * ":join".
8258 */
8259 static void
8260 ex_join(eap)
8261 exarg_T *eap;
8262 {
8263 curwin->w_cursor.lnum = eap->line1;
8264 if (eap->line1 == eap->line2)
8265 {
8266 if (eap->addr_count >= 2) /* :2,2join does nothing */
8267 return;
8268 if (eap->line2 == curbuf->b_ml.ml_line_count)
8269 {
8270 beep_flush();
8271 return;
8272 }
8273 ++eap->line2;
8274 }
8275 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8276 beginline(BL_WHITE | BL_FIX);
8277 ex_may_print(eap);
8278 }
8279
8280 /*
8281 * ":[addr]@r" or ":[addr]*r": execute register
8282 */
8283 static void
8284 ex_at(eap)
8285 exarg_T *eap;
8286 {
8287 int c;
8288
8289 curwin->w_cursor.lnum = eap->line2;
8290
8291 #ifdef USE_ON_FLY_SCROLL
8292 dont_scroll = TRUE; /* disallow scrolling here */
8293 #endif
8294
8295 /* get the register name. No name means to use the previous one */
8296 c = *eap->arg;
8297 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8298 c = '@';
8299 /* Put the register in the typeahead buffer with the "silent" flag. */
8300 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8301 == FAIL)
8302 {
8303 beep_flush();
8304 }
8305 else
8306 {
8307 int save_efr = exec_from_reg;
8308
8309 exec_from_reg = TRUE;
8310
8311 /*
8312 * Execute from the typeahead buffer.
8313 * Originally this didn't check for the typeahead buffer to be empty,
8314 * thus could read more Ex commands from stdin. It's not clear why,
8315 * it is certainly unexpected.
8316 */
8317 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8318 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8319
8320 exec_from_reg = save_efr;
8321 }
8322 }
8323
8324 /*
8325 * ":!".
8326 */
8327 static void
8328 ex_bang(eap)
8329 exarg_T *eap;
8330 {
8331 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8332 }
8333
8334 /*
8335 * ":undo".
8336 */
8337 /*ARGSUSED*/
8338 static void
8339 ex_undo(eap)
8340 exarg_T *eap;
8341 {
8342 if (eap->addr_count == 1) /* :undo 123 */
8343 undo_time(eap->line2, FALSE, TRUE);
8344 else
8345 u_undo(1);
8346 }
8347
8348 /*
8349 * ":redo".
8350 */
8351 /*ARGSUSED*/
8352 static void
8353 ex_redo(eap)
8354 exarg_T *eap;
8355 {
8356 u_redo(1);
8357 }
8358
8359 /*
8360 * ":earlier" and ":later".
8361 */
8362 /*ARGSUSED*/
8363 static void
8364 ex_later(eap)
8365 exarg_T *eap;
8366 {
8367 long count = 0;
8368 int sec = FALSE;
8369 char_u *p = eap->arg;
8370
8371 if (*p == NUL)
8372 count = 1;
8373 else if (isdigit(*p))
8374 {
8375 count = getdigits(&p);
8376 switch (*p)
8377 {
8378 case 's': ++p; sec = TRUE; break;
8379 case 'm': ++p; sec = TRUE; count *= 60; break;
8380 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8381 }
8382 }
8383
8384 if (*p != NUL)
8385 EMSG2(_(e_invarg2), eap->arg);
8386 else
8387 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8388 }
8389
8390 /*
8391 * ":redir": start/stop redirection.
8392 */
8393 static void
8394 ex_redir(eap)
8395 exarg_T *eap;
8396 {
8397 char *mode;
8398 char_u *fname;
8399 char_u *arg = eap->arg;
8400
8401 if (STRICMP(eap->arg, "END") == 0)
8402 close_redir();
8403 else
8404 {
8405 if (*arg == '>')
8406 {
8407 ++arg;
8408 if (*arg == '>')
8409 {
8410 ++arg;
8411 mode = "a";
8412 }
8413 else
8414 mode = "w";
8415 arg = skipwhite(arg);
8416
8417 close_redir();
8418
8419 /* Expand environment variables and "~/". */
8420 fname = expand_env_save(arg);
8421 if (fname == NULL)
8422 return;
8423 #ifdef FEAT_BROWSE
8424 if (cmdmod.browse)
8425 {
8426 char_u *browseFile;
8427
8428 browseFile = do_browse(BROWSE_SAVE,
8429 (char_u *)_("Save Redirection"),
8430 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8431 if (browseFile == NULL)
8432 return; /* operation cancelled */
8433 vim_free(fname);
8434 fname = browseFile;
8435 eap->forceit = TRUE; /* since dialog already asked */
8436 }
8437 #endif
8438
8439 redir_fd = open_exfile(fname, eap->forceit, mode);
8440 vim_free(fname);
8441 }
8442 #ifdef FEAT_EVAL
8443 else if (*arg == '@')
8444 {
8445 /* redirect to a register a-z (resp. A-Z for appending) */
8446 close_redir();
8447 ++arg;
8448 if (ASCII_ISALPHA(*arg)
8449 # ifdef FEAT_CLIPBOARD
8450 || *arg == '*'
8451 || *arg == '+'
8452 # endif
8453 || *arg == '"')
8454 {
8455 redir_reg = *arg++;
8456 if (*arg == '>' && arg[1] == '>') /* append */
8457 arg += 2;
8458 else
8459 {
8460 /* Can use both "@a" and "@a>". */
8461 if (*arg == '>')
8462 arg++;
8463 /* Make register empty when not using @A-@Z and the
8464 * command is valid. */
8465 if (*arg == NUL && !isupper(redir_reg))
8466 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8467 }
8468 }
8469 if (*arg != NUL)
8470 {
8471 redir_reg = 0;
8472 EMSG2(_(e_invarg2), eap->arg);
8473 }
8474 }
8475 else if (*arg == '=' && arg[1] == '>')
8476 {
8477 int append;
8478
8479 /* redirect to a variable */
8480 close_redir();
8481 arg += 2;
8482
8483 if (*arg == '>')
8484 {
8485 ++arg;
8486 append = TRUE;
8487 }
8488 else
8489 append = FALSE;
8490
8491 if (var_redir_start(skipwhite(arg), append) == OK)
8492 redir_vname = 1;
8493 }
8494 #endif
8495
8496 /* TODO: redirect to a buffer */
8497
8498 else
8499 EMSG2(_(e_invarg2), eap->arg);
8500 }
8501
8502 /* Make sure redirection is not off. Can happen for cmdline completion
8503 * that indirectly invokes a command to catch its output. */
8504 if (redir_fd != NULL
8505 #ifdef FEAT_EVAL
8506 || redir_reg || redir_vname
8507 #endif
8508 )
8509 redir_off = FALSE;
8510 }
8511
8512 /*
8513 * ":redraw": force redraw
8514 */
8515 static void
8516 ex_redraw(eap)
8517 exarg_T *eap;
8518 {
8519 int r = RedrawingDisabled;
8520 int p = p_lz;
8521
8522 RedrawingDisabled = 0;
8523 p_lz = FALSE;
8524 update_topline();
8525 update_screen(eap->forceit ? CLEAR :
8526 #ifdef FEAT_VISUAL
8527 VIsual_active ? INVERTED :
8528 #endif
8529 0);
8530 #ifdef FEAT_TITLE
8531 if (need_maketitle)
8532 maketitle();
8533 #endif
8534 RedrawingDisabled = r;
8535 p_lz = p;
8536
8537 /* Reset msg_didout, so that a message that's there is overwritten. */
8538 msg_didout = FALSE;
8539 msg_col = 0;
8540
8541 out_flush();
8542 }
8543
8544 /*
8545 * ":redrawstatus": force redraw of status line(s)
8546 */
8547 /*ARGSUSED*/
8548 static void
8549 ex_redrawstatus(eap)
8550 exarg_T *eap;
8551 {
8552 #if defined(FEAT_WINDOWS)
8553 int r = RedrawingDisabled;
8554 int p = p_lz;
8555
8556 RedrawingDisabled = 0;
8557 p_lz = FALSE;
8558 if (eap->forceit)
8559 status_redraw_all();
8560 else
8561 status_redraw_curbuf();
8562 update_screen(
8563 # ifdef FEAT_VISUAL
8564 VIsual_active ? INVERTED :
8565 # endif
8566 0);
8567 RedrawingDisabled = r;
8568 p_lz = p;
8569 out_flush();
8570 #endif
8571 }
8572
8573 static void
8574 close_redir()
8575 {
8576 if (redir_fd != NULL)
8577 {
8578 fclose(redir_fd);
8579 redir_fd = NULL;
8580 }
8581 #ifdef FEAT_EVAL
8582 redir_reg = 0;
8583 if (redir_vname)
8584 {
8585 var_redir_stop();
8586 redir_vname = 0;
8587 }
8588 #endif
8589 }
8590
8591 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8592 # define MKSESSION_NL
8593 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8594 #endif
8595
8596 /*
8597 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8598 */
8599 static void
8600 ex_mkrc(eap)
8601 exarg_T *eap;
8602 {
8603 FILE *fd;
8604 int failed = FALSE;
8605 char_u *fname;
8606 #ifdef FEAT_BROWSE
8607 char_u *browseFile = NULL;
8608 #endif
8609 #ifdef FEAT_SESSION
8610 int view_session = FALSE;
8611 int using_vdir = FALSE; /* using 'viewdir'? */
8612 char_u *viewFile = NULL;
8613 unsigned *flagp;
8614 #endif
8615
8616 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8617 {
8618 #ifdef FEAT_SESSION
8619 view_session = TRUE;
8620 #else
8621 ex_ni(eap);
8622 return;
8623 #endif
8624 }
8625
8626 #ifdef FEAT_SESSION
8627 did_lcd = FALSE;
8628
8629 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8630 if (eap->cmdidx == CMD_mkview
8631 && (*eap->arg == NUL
8632 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8633 {
8634 eap->forceit = TRUE;
8635 fname = get_view_file(*eap->arg);
8636 if (fname == NULL)
8637 return;
8638 viewFile = fname;
8639 using_vdir = TRUE;
8640 }
8641 else
8642 #endif
8643 if (*eap->arg != NUL)
8644 fname = eap->arg;
8645 else if (eap->cmdidx == CMD_mkvimrc)
8646 fname = (char_u *)VIMRC_FILE;
8647 #ifdef FEAT_SESSION
8648 else if (eap->cmdidx == CMD_mksession)
8649 fname = (char_u *)SESSION_FILE;
8650 #endif
8651 else
8652 fname = (char_u *)EXRC_FILE;
8653
8654 #ifdef FEAT_BROWSE
8655 if (cmdmod.browse)
8656 {
8657 browseFile = do_browse(BROWSE_SAVE,
8658 # ifdef FEAT_SESSION
8659 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8660 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8661 # endif
8662 (char_u *)_("Save Setup"),
8663 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8664 if (browseFile == NULL)
8665 goto theend;
8666 fname = browseFile;
8667 eap->forceit = TRUE; /* since dialog already asked */
8668 }
8669 #endif
8670
8671 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8672 /* When using 'viewdir' may have to create the directory. */
8673 if (using_vdir && !mch_isdir(p_vdir))
8674 vim_mkdir_emsg(p_vdir, 0755);
8675 #endif
8676
8677 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8678 if (fd != NULL)
8679 {
8680 #ifdef FEAT_SESSION
8681 if (eap->cmdidx == CMD_mkview)
8682 flagp = &vop_flags;
8683 else
8684 flagp = &ssop_flags;
8685 #endif
8686
8687 #ifdef MKSESSION_NL
8688 /* "unix" in 'sessionoptions': use NL line separator */
8689 if (view_session && (*flagp & SSOP_UNIX))
8690 mksession_nl = TRUE;
8691 #endif
8692
8693 /* Write the version command for :mkvimrc */
8694 if (eap->cmdidx == CMD_mkvimrc)
8695 (void)put_line(fd, "version 6.0");
8696
8697 #ifdef FEAT_SESSION
8698 if (eap->cmdidx == CMD_mksession)
8699 {
8700 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8701 failed = TRUE;
8702 }
8703
8704 if (eap->cmdidx != CMD_mkview)
8705 #endif
8706 {
8707 /* Write setting 'compatible' first, because it has side effects.
8708 * For that same reason only do it when needed. */
8709 if (p_cp)
8710 (void)put_line(fd, "if !&cp | set cp | endif");
8711 else
8712 (void)put_line(fd, "if &cp | set nocp | endif");
8713 }
8714
8715 #ifdef FEAT_SESSION
8716 if (!view_session
8717 || (eap->cmdidx == CMD_mksession
8718 && (*flagp & SSOP_OPTIONS)))
8719 #endif
8720 failed |= (makemap(fd, NULL) == FAIL
8721 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8722
8723 #ifdef FEAT_SESSION
8724 if (!failed && view_session)
8725 {
8726 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8727 failed = TRUE;
8728 if (eap->cmdidx == CMD_mksession)
8729 {
8730 char_u dirnow[MAXPATHL]; /* current directory */
8731
8732 /*
8733 * Change to session file's dir.
8734 */
8735 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8736 || mch_chdir((char *)dirnow) != 0)
8737 *dirnow = NUL;
8738 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8739 {
8740 if (vim_chdirfile(fname) == OK)
8741 shorten_fnames(TRUE);
8742 }
8743 else if (*dirnow != NUL
8744 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8745 {
8746 (void)mch_chdir((char *)globaldir);
8747 shorten_fnames(TRUE);
8748 }
8749
8750 failed |= (makeopens(fd, dirnow) == FAIL);
8751
8752 /* restore original dir */
8753 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8754 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8755 {
8756 if (mch_chdir((char *)dirnow) != 0)
8757 EMSG(_(e_prev_dir));
8758 shorten_fnames(TRUE);
8759 }
8760 }
8761 else
8762 {
8763 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8764 -1) == FAIL);
8765 }
8766 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8767 == FAIL)
8768 failed = TRUE;
8769 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8770 failed = TRUE;
8771 if (eap->cmdidx == CMD_mksession)
8772 {
8773 if (put_line(fd, "unlet SessionLoad") == FAIL)
8774 failed = TRUE;
8775 }
8776 }
8777 #endif
8778 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8779 failed = TRUE;
8780
8781 failed |= fclose(fd);
8782
8783 if (failed)
8784 EMSG(_(e_write));
8785 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8786 else if (eap->cmdidx == CMD_mksession)
8787 {
8788 /* successful session write - set this_session var */
8789 char_u tbuf[MAXPATHL];
8790
8791 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8792 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8793 }
8794 #endif
8795 #ifdef MKSESSION_NL
8796 mksession_nl = FALSE;
8797 #endif
8798 }
8799
8800 #ifdef FEAT_BROWSE
8801 theend:
8802 vim_free(browseFile);
8803 #endif
8804 #ifdef FEAT_SESSION
8805 vim_free(viewFile);
8806 #endif
8807 }
8808
8809 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8810 || defined(PROTO)
8811 /*ARGSUSED*/
8812 int
8813 vim_mkdir_emsg(name, prot)
8814 char_u *name;
8815 int prot;
8816 {
8817 if (vim_mkdir(name, prot) != 0)
8818 {
8819 EMSG2(_("E739: Cannot create directory: %s"), name);
8820 return FAIL;
8821 }
8822 return OK;
8823 }
8824 #endif
8825
8826 /*
8827 * Open a file for writing for an Ex command, with some checks.
8828 * Return file descriptor, or NULL on failure.
8829 */
8830 FILE *
8831 open_exfile(fname, forceit, mode)
8832 char_u *fname;
8833 int forceit;
8834 char *mode; /* "w" for create new file or "a" for append */
8835 {
8836 FILE *fd;
8837
8838 #ifdef UNIX
8839 /* with Unix it is possible to open a directory */
8840 if (mch_isdir(fname))
8841 {
8842 EMSG2(_(e_isadir2), fname);
8843 return NULL;
8844 }
8845 #endif
8846 if (!forceit && *mode != 'a' && vim_fexists(fname))
8847 {
8848 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8849 return NULL;
8850 }
8851
8852 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8853 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8854
8855 return fd;
8856 }
8857
8858 /*
8859 * ":mark" and ":k".
8860 */
8861 static void
8862 ex_mark(eap)
8863 exarg_T *eap;
8864 {
8865 pos_T pos;
8866
8867 if (*eap->arg == NUL) /* No argument? */
8868 EMSG(_(e_argreq));
8869 else if (eap->arg[1] != NUL) /* more than one character? */
8870 EMSG(_(e_trailing));
8871 else
8872 {
8873 pos = curwin->w_cursor; /* save curwin->w_cursor */
8874 curwin->w_cursor.lnum = eap->line2;
8875 beginline(BL_WHITE | BL_FIX);
8876 if (setmark(*eap->arg) == FAIL) /* set mark */
8877 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8878 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8879 }
8880 }
8881
8882 /*
8883 * Update w_topline, w_leftcol and the cursor position.
8884 */
8885 void
8886 update_topline_cursor()
8887 {
8888 check_cursor(); /* put cursor on valid line */
8889 update_topline();
8890 if (!curwin->w_p_wrap)
8891 validate_cursor();
8892 update_curswant();
8893 }
8894
8895 #ifdef FEAT_EX_EXTRA
8896 /*
8897 * ":normal[!] {commands}": Execute normal mode commands.
8898 */
8899 static void
8900 ex_normal(eap)
8901 exarg_T *eap;
8902 {
8903 int save_msg_scroll = msg_scroll;
8904 int save_restart_edit = restart_edit;
8905 int save_msg_didout = msg_didout;
8906 int save_State = State;
8907 tasave_T tabuf;
8908 int save_insertmode = p_im;
8909 int save_finish_op = finish_op;
8910 #ifdef FEAT_MBYTE
8911 char_u *arg = NULL;
8912 int l;
8913 char_u *p;
8914 #endif
8915
8916 if (ex_normal_lock > 0)
8917 {
8918 EMSG(_(e_secure));
8919 return;
8920 }
8921 if (ex_normal_busy >= p_mmd)
8922 {
8923 EMSG(_("E192: Recursive use of :normal too deep"));
8924 return;
8925 }
8926 ++ex_normal_busy;
8927
8928 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8929 restart_edit = 0; /* don't go to Insert mode */
8930 p_im = FALSE; /* don't use 'insertmode' */
8931
8932 #ifdef FEAT_MBYTE
8933 /*
8934 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8935 * this for the K_SPECIAL leading byte, otherwise special keys will not
8936 * work.
8937 */
8938 if (has_mbyte)
8939 {
8940 int len = 0;
8941
8942 /* Count the number of characters to be escaped. */
8943 for (p = eap->arg; *p != NUL; ++p)
8944 {
8945 # ifdef FEAT_GUI
8946 if (*p == CSI) /* leadbyte CSI */
8947 len += 2;
8948 # endif
8949 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8950 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8951 # ifdef FEAT_GUI
8952 || *p == CSI
8953 # endif
8954 )
8955 len += 2;
8956 }
8957 if (len > 0)
8958 {
8959 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8960 if (arg != NULL)
8961 {
8962 len = 0;
8963 for (p = eap->arg; *p != NUL; ++p)
8964 {
8965 arg[len++] = *p;
8966 # ifdef FEAT_GUI
8967 if (*p == CSI)
8968 {
8969 arg[len++] = KS_EXTRA;
8970 arg[len++] = (int)KE_CSI;
8971 }
8972 # endif
8973 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8974 {
8975 arg[len++] = *++p;
8976 if (*p == K_SPECIAL)
8977 {
8978 arg[len++] = KS_SPECIAL;
8979 arg[len++] = KE_FILLER;
8980 }
8981 # ifdef FEAT_GUI
8982 else if (*p == CSI)
8983 {
8984 arg[len++] = KS_EXTRA;
8985 arg[len++] = (int)KE_CSI;
8986 }
8987 # endif
8988 }
8989 arg[len] = NUL;
8990 }
8991 }
8992 }
8993 }
8994 #endif
8995
8996 /*
8997 * Save the current typeahead. This is required to allow using ":normal"
8998 * from an event handler and makes sure we don't hang when the argument
8999 * ends with half a command.
9000 */
9001 save_typeahead(&tabuf);
9002 if (tabuf.typebuf_valid)
9003 {
9004 /*
9005 * Repeat the :normal command for each line in the range. When no
9006 * range given, execute it just once, without positioning the cursor
9007 * first.
9008 */
9009 do
9010 {
9011 if (eap->addr_count != 0)
9012 {
9013 curwin->w_cursor.lnum = eap->line1++;
9014 curwin->w_cursor.col = 0;
9015 }
9016
9017 exec_normal_cmd(
9018 #ifdef FEAT_MBYTE
9019 arg != NULL ? arg :
9020 #endif
9021 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9022 }
9023 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9024 }
9025
9026 /* Might not return to the main loop when in an event handler. */
9027 update_topline_cursor();
9028
9029 /* Restore the previous typeahead. */
9030 restore_typeahead(&tabuf);
9031
9032 --ex_normal_busy;
9033 msg_scroll = save_msg_scroll;
9034 restart_edit = save_restart_edit;
9035 p_im = save_insertmode;
9036 finish_op = save_finish_op;
9037 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9038
9039 /* Restore the state (needed when called from a function executed for
9040 * 'indentexpr'). */
9041 State = save_State;
9042 #ifdef FEAT_MBYTE
9043 vim_free(arg);
9044 #endif
9045 }
9046
9047 /*
9048 * ":startinsert", ":startreplace" and ":startgreplace"
9049 */
9050 static void
9051 ex_startinsert(eap)
9052 exarg_T *eap;
9053 {
9054 if (eap->forceit)
9055 {
9056 coladvance((colnr_T)MAXCOL);
9057 curwin->w_curswant = MAXCOL;
9058 curwin->w_set_curswant = FALSE;
9059 }
9060
9061 /* Ignore the command when already in Insert mode. Inserting an
9062 * expression register that invokes a function can do this. */
9063 if (State & INSERT)
9064 return;
9065
9066 if (eap->cmdidx == CMD_startinsert)
9067 restart_edit = 'a';
9068 else if (eap->cmdidx == CMD_startreplace)
9069 restart_edit = 'R';
9070 else
9071 restart_edit = 'V';
9072
9073 if (!eap->forceit)
9074 {
9075 if (eap->cmdidx == CMD_startinsert)
9076 restart_edit = 'i';
9077 curwin->w_curswant = 0; /* avoid MAXCOL */
9078 }
9079 }
9080
9081 /*
9082 * ":stopinsert"
9083 */
9084 /*ARGSUSED*/
9085 static void
9086 ex_stopinsert(eap)
9087 exarg_T *eap;
9088 {
9089 restart_edit = 0;
9090 stop_insert_mode = TRUE;
9091 }
9092 #endif
9093
9094 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9095 /*
9096 * Execute normal mode command "cmd".
9097 * "remap" can be REMAP_NONE or REMAP_YES.
9098 */
9099 void
9100 exec_normal_cmd(cmd, remap, silent)
9101 char_u *cmd;
9102 int remap;
9103 int silent;
9104 {
9105 oparg_T oa;
9106
9107 /*
9108 * Stuff the argument into the typeahead buffer.
9109 * Execute normal_cmd() until there is no typeahead left.
9110 */
9111 clear_oparg(&oa);
9112 finish_op = FALSE;
9113 ins_typebuf(cmd, remap, 0, TRUE, silent);
9114 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9115 && !got_int)
9116 {
9117 update_topline_cursor();
9118 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9119 }
9120 }
9121 #endif
9122
9123 #ifdef FEAT_FIND_ID
9124 static void
9125 ex_checkpath(eap)
9126 exarg_T *eap;
9127 {
9128 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9129 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9130 (linenr_T)1, (linenr_T)MAXLNUM);
9131 }
9132
9133 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9134 /*
9135 * ":psearch"
9136 */
9137 static void
9138 ex_psearch(eap)
9139 exarg_T *eap;
9140 {
9141 g_do_tagpreview = p_pvh;
9142 ex_findpat(eap);
9143 g_do_tagpreview = 0;
9144 }
9145 #endif
9146
9147 static void
9148 ex_findpat(eap)
9149 exarg_T *eap;
9150 {
9151 int whole = TRUE;
9152 long n;
9153 char_u *p;
9154 int action;
9155
9156 switch (cmdnames[eap->cmdidx].cmd_name[2])
9157 {
9158 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9159 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9160 action = ACTION_GOTO;
9161 else
9162 action = ACTION_SHOW;
9163 break;
9164 case 'i': /* ":ilist" and ":dlist" */
9165 action = ACTION_SHOW_ALL;
9166 break;
9167 case 'u': /* ":ijump" and ":djump" */
9168 action = ACTION_GOTO;
9169 break;
9170 default: /* ":isplit" and ":dsplit" */
9171 action = ACTION_SPLIT;
9172 break;
9173 }
9174
9175 n = 1;
9176 if (vim_isdigit(*eap->arg)) /* get count */
9177 {
9178 n = getdigits(&eap->arg);
9179 eap->arg = skipwhite(eap->arg);
9180 }
9181 if (*eap->arg == '/') /* Match regexp, not just whole words */
9182 {
9183 whole = FALSE;
9184 ++eap->arg;
9185 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9186 if (*p)
9187 {
9188 *p++ = NUL;
9189 p = skipwhite(p);
9190
9191 /* Check for trailing illegal characters */
9192 if (!ends_excmd(*p))
9193 eap->errmsg = e_trailing;
9194 else
9195 eap->nextcmd = check_nextcmd(p);
9196 }
9197 }
9198 if (!eap->skip)
9199 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9200 whole, !eap->forceit,
9201 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9202 n, action, eap->line1, eap->line2);
9203 }
9204 #endif
9205
9206 #ifdef FEAT_WINDOWS
9207
9208 # ifdef FEAT_QUICKFIX
9209 /*
9210 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9211 */
9212 static void
9213 ex_ptag(eap)
9214 exarg_T *eap;
9215 {
9216 g_do_tagpreview = p_pvh;
9217 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9218 }
9219
9220 /*
9221 * ":pedit"
9222 */
9223 static void
9224 ex_pedit(eap)
9225 exarg_T *eap;
9226 {
9227 win_T *curwin_save = curwin;
9228
9229 g_do_tagpreview = p_pvh;
9230 prepare_tagpreview(TRUE);
9231 keep_help_flag = curwin_save->w_buffer->b_help;
9232 do_exedit(eap, NULL);
9233 keep_help_flag = FALSE;
9234 if (curwin != curwin_save && win_valid(curwin_save))
9235 {
9236 /* Return cursor to where we were */
9237 validate_cursor();
9238 redraw_later(VALID);
9239 win_enter(curwin_save, TRUE);
9240 }
9241 g_do_tagpreview = 0;
9242 }
9243 # endif
9244
9245 /*
9246 * ":stag", ":stselect" and ":stjump".
9247 */
9248 static void
9249 ex_stag(eap)
9250 exarg_T *eap;
9251 {
9252 postponed_split = -1;
9253 postponed_split_flags = cmdmod.split;
9254 postponed_split_tab = cmdmod.tab;
9255 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9256 postponed_split_flags = 0;
9257 postponed_split_tab = 0;
9258 }
9259 #endif
9260
9261 /*
9262 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9263 */
9264 static void
9265 ex_tag(eap)
9266 exarg_T *eap;
9267 {
9268 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9269 }
9270
9271 static void
9272 ex_tag_cmd(eap, name)
9273 exarg_T *eap;
9274 char_u *name;
9275 {
9276 int cmd;
9277
9278 switch (name[1])
9279 {
9280 case 'j': cmd = DT_JUMP; /* ":tjump" */
9281 break;
9282 case 's': cmd = DT_SELECT; /* ":tselect" */
9283 break;
9284 case 'p': cmd = DT_PREV; /* ":tprevious" */
9285 break;
9286 case 'N': cmd = DT_PREV; /* ":tNext" */
9287 break;
9288 case 'n': cmd = DT_NEXT; /* ":tnext" */
9289 break;
9290 case 'o': cmd = DT_POP; /* ":pop" */
9291 break;
9292 case 'f': /* ":tfirst" */
9293 case 'r': cmd = DT_FIRST; /* ":trewind" */
9294 break;
9295 case 'l': cmd = DT_LAST; /* ":tlast" */
9296 break;
9297 default: /* ":tag" */
9298 #ifdef FEAT_CSCOPE
9299 if (p_cst && *eap->arg != NUL)
9300 {
9301 do_cstag(eap);
9302 return;
9303 }
9304 #endif
9305 cmd = DT_TAG;
9306 break;
9307 }
9308
9309 if (name[0] == 'l')
9310 {
9311 #ifndef FEAT_QUICKFIX
9312 ex_ni(eap);
9313 return;
9314 #else
9315 cmd = DT_LTAG;
9316 #endif
9317 }
9318
9319 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9320 eap->forceit, TRUE);
9321 }
9322
9323 /*
9324 * Evaluate cmdline variables.
9325 *
9326 * change '%' to curbuf->b_ffname
9327 * '#' to curwin->w_altfile
9328 * '<cword>' to word under the cursor
9329 * '<cWORD>' to WORD under the cursor
9330 * '<cfile>' to path name under the cursor
9331 * '<sfile>' to sourced file name
9332 * '<afile>' to file name for autocommand
9333 * '<abuf>' to buffer number for autocommand
9334 * '<amatch>' to matching name for autocommand
9335 *
9336 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9337 * "" for error without a message) and NULL is returned.
9338 * Returns an allocated string if a valid match was found.
9339 * Returns NULL if no match was found. "usedlen" then still contains the
9340 * number of characters to skip.
9341 */
9342 char_u *
9343 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9344 char_u *src; /* pointer into commandline */
9345 char_u *srcstart; /* beginning of valid memory for src */
9346 int *usedlen; /* characters after src that are used */
9347 linenr_T *lnump; /* line number for :e command, or NULL */
9348 char_u **errormsg; /* pointer to error message */
9349 int *escaped; /* return value has escaped white space (can
9350 * be NULL) */
9351 {
9352 int i;
9353 char_u *s;
9354 char_u *result;
9355 char_u *resultbuf = NULL;
9356 int resultlen;
9357 buf_T *buf;
9358 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9359 int spec_idx;
9360 #ifdef FEAT_MODIFY_FNAME
9361 int skip_mod = FALSE;
9362 #endif
9363 static char *(spec_str[]) =
9364 {
9365 "%",
9366 #define SPEC_PERC 0
9367 "#",
9368 #define SPEC_HASH 1
9369 "<cword>", /* cursor word */
9370 #define SPEC_CWORD 2
9371 "<cWORD>", /* cursor WORD */
9372 #define SPEC_CCWORD 3
9373 "<cfile>", /* cursor path name */
9374 #define SPEC_CFILE 4
9375 "<sfile>", /* ":so" file name */
9376 #define SPEC_SFILE 5
9377 #ifdef FEAT_AUTOCMD
9378 "<afile>", /* autocommand file name */
9379 # define SPEC_AFILE 6
9380 "<abuf>", /* autocommand buffer number */
9381 # define SPEC_ABUF 7
9382 "<amatch>", /* autocommand match name */
9383 # define SPEC_AMATCH 8
9384 #endif
9385 #ifdef FEAT_CLIENTSERVER
9386 "<client>"
9387 # define SPEC_CLIENT 9
9388 #endif
9389 };
9390 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9391
9392 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9393 char_u strbuf[30];
9394 #endif
9395
9396 *errormsg = NULL;
9397 if (escaped != NULL)
9398 *escaped = FALSE;
9399
9400 /*
9401 * Check if there is something to do.
9402 */
9403 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9404 {
9405 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9406 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9407 break;
9408 }
9409 if (spec_idx == SPEC_COUNT) /* no match */
9410 {
9411 *usedlen = 1;
9412 return NULL;
9413 }
9414
9415 /*
9416 * Skip when preceded with a backslash "\%" and "\#".
9417 * Note: In "\\%" the % is also not recognized!
9418 */
9419 if (src > srcstart && src[-1] == '\\')
9420 {
9421 *usedlen = 0;
9422 STRMOVE(src - 1, src); /* remove backslash */
9423 return NULL;
9424 }
9425
9426 /*
9427 * word or WORD under cursor
9428 */
9429 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9430 {
9431 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9432 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9433 if (resultlen == 0)
9434 {
9435 *errormsg = (char_u *)"";
9436 return NULL;
9437 }
9438 }
9439
9440 /*
9441 * '#': Alternate file name
9442 * '%': Current file name
9443 * File name under the cursor
9444 * File name for autocommand
9445 * and following modifiers
9446 */
9447 else
9448 {
9449 switch (spec_idx)
9450 {
9451 case SPEC_PERC: /* '%': current file */
9452 if (curbuf->b_fname == NULL)
9453 {
9454 result = (char_u *)"";
9455 valid = 0; /* Must have ":p:h" to be valid */
9456 }
9457 else
9458 #ifdef RISCOS
9459 /* Always use the full path for RISC OS if possible. */
9460 result = curbuf->b_ffname;
9461 if (result == NULL)
9462 result = curbuf->b_fname;
9463 #else
9464 result = curbuf->b_fname;
9465 #endif
9466 break;
9467
9468 case SPEC_HASH: /* '#' or "#99": alternate file */
9469 if (src[1] == '#') /* "##": the argument list */
9470 {
9471 result = arg_all();
9472 resultbuf = result;
9473 *usedlen = 2;
9474 if (escaped != NULL)
9475 *escaped = TRUE;
9476 #ifdef FEAT_MODIFY_FNAME
9477 skip_mod = TRUE;
9478 #endif
9479 break;
9480 }
9481 s = src + 1;
9482 i = (int)getdigits(&s);
9483 *usedlen = (int)(s - src); /* length of what we expand */
9484
9485 buf = buflist_findnr(i);
9486 if (buf == NULL)
9487 {
9488 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9489 return NULL;
9490 }
9491 if (lnump != NULL)
9492 *lnump = ECMD_LAST;
9493 if (buf->b_fname == NULL)
9494 {
9495 result = (char_u *)"";
9496 valid = 0; /* Must have ":p:h" to be valid */
9497 }
9498 else
9499 result = buf->b_fname;
9500 break;
9501
9502 #ifdef FEAT_SEARCHPATH
9503 case SPEC_CFILE: /* file name under cursor */
9504 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9505 if (result == NULL)
9506 {
9507 *errormsg = (char_u *)"";
9508 return NULL;
9509 }
9510 resultbuf = result; /* remember allocated string */
9511 break;
9512 #endif
9513
9514 #ifdef FEAT_AUTOCMD
9515 case SPEC_AFILE: /* file name for autocommand */
9516 result = autocmd_fname;
9517 if (result == NULL)
9518 {
9519 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9520 return NULL;
9521 }
9522 result = shorten_fname1(result);
9523 break;
9524
9525 case SPEC_ABUF: /* buffer number for autocommand */
9526 if (autocmd_bufnr <= 0)
9527 {
9528 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9529 return NULL;
9530 }
9531 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9532 result = strbuf;
9533 break;
9534
9535 case SPEC_AMATCH: /* match name for autocommand */
9536 result = autocmd_match;
9537 if (result == NULL)
9538 {
9539 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9540 return NULL;
9541 }
9542 break;
9543
9544 #endif
9545 case SPEC_SFILE: /* file name for ":so" command */
9546 result = sourcing_name;
9547 if (result == NULL)
9548 {
9549 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9550 return NULL;
9551 }
9552 break;
9553 #if defined(FEAT_CLIENTSERVER)
9554 case SPEC_CLIENT: /* Source of last submitted input */
9555 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9556 (long_u)clientWindow);
9557 result = strbuf;
9558 break;
9559 #endif
9560 }
9561
9562 resultlen = (int)STRLEN(result); /* length of new string */
9563 if (src[*usedlen] == '<') /* remove the file name extension */
9564 {
9565 ++*usedlen;
9566 #ifdef RISCOS
9567 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9568 #else
9569 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9570 #endif
9571 resultlen = (int)(s - result);
9572 }
9573 #ifdef FEAT_MODIFY_FNAME
9574 else if (!skip_mod)
9575 {
9576 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9577 &resultlen);
9578 if (result == NULL)
9579 {
9580 *errormsg = (char_u *)"";
9581 return NULL;
9582 }
9583 }
9584 #endif
9585 }
9586
9587 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9588 {
9589 if (valid != VALID_HEAD + VALID_PATH)
9590 /* xgettext:no-c-format */
9591 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9592 else
9593 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9594 result = NULL;
9595 }
9596 else
9597 result = vim_strnsave(result, resultlen);
9598 vim_free(resultbuf);
9599 return result;
9600 }
9601
9602 /*
9603 * Concatenate all files in the argument list, separated by spaces, and return
9604 * it in one allocated string.
9605 * Spaces and backslashes in the file names are escaped with a backslash.
9606 * Returns NULL when out of memory.
9607 */
9608 static char_u *
9609 arg_all()
9610 {
9611 int len;
9612 int idx;
9613 char_u *retval = NULL;
9614 char_u *p;
9615
9616 /*
9617 * Do this loop two times:
9618 * first time: compute the total length
9619 * second time: concatenate the names
9620 */
9621 for (;;)
9622 {
9623 len = 0;
9624 for (idx = 0; idx < ARGCOUNT; ++idx)
9625 {
9626 p = alist_name(&ARGLIST[idx]);
9627 if (p != NULL)
9628 {
9629 if (len > 0)
9630 {
9631 /* insert a space in between names */
9632 if (retval != NULL)
9633 retval[len] = ' ';
9634 ++len;
9635 }
9636 for ( ; *p != NUL; ++p)
9637 {
9638 if (*p == ' ' || *p == '\\')
9639 {
9640 /* insert a backslash */
9641 if (retval != NULL)
9642 retval[len] = '\\';
9643 ++len;
9644 }
9645 if (retval != NULL)
9646 retval[len] = *p;
9647 ++len;
9648 }
9649 }
9650 }
9651
9652 /* second time: break here */
9653 if (retval != NULL)
9654 {
9655 retval[len] = NUL;
9656 break;
9657 }
9658
9659 /* allocate memory */
9660 retval = alloc(len + 1);
9661 if (retval == NULL)
9662 break;
9663 }
9664
9665 return retval;
9666 }
9667
9668 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9669 /*
9670 * Expand the <sfile> string in "arg".
9671 *
9672 * Returns an allocated string, or NULL for any error.
9673 */
9674 char_u *
9675 expand_sfile(arg)
9676 char_u *arg;
9677 {
9678 char_u *errormsg;
9679 int len;
9680 char_u *result;
9681 char_u *newres;
9682 char_u *repl;
9683 int srclen;
9684 char_u *p;
9685
9686 result = vim_strsave(arg);
9687 if (result == NULL)
9688 return NULL;
9689
9690 for (p = result; *p; )
9691 {
9692 if (STRNCMP(p, "<sfile>", 7) != 0)
9693 ++p;
9694 else
9695 {
9696 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9697 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9698 if (errormsg != NULL)
9699 {
9700 if (*errormsg)
9701 emsg(errormsg);
9702 vim_free(result);
9703 return NULL;
9704 }
9705 if (repl == NULL) /* no match (cannot happen) */
9706 {
9707 p += srclen;
9708 continue;
9709 }
9710 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9711 newres = alloc(len);
9712 if (newres == NULL)
9713 {
9714 vim_free(repl);
9715 vim_free(result);
9716 return NULL;
9717 }
9718 mch_memmove(newres, result, (size_t)(p - result));
9719 STRCPY(newres + (p - result), repl);
9720 len = (int)STRLEN(newres);
9721 STRCAT(newres, p + srclen);
9722 vim_free(repl);
9723 vim_free(result);
9724 result = newres;
9725 p = newres + len; /* continue after the match */
9726 }
9727 }
9728
9729 return result;
9730 }
9731 #endif
9732
9733 #ifdef FEAT_SESSION
9734 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9735 win_T *tab_firstwin));
9736 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9737 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9738 static int ses_do_frame __ARGS((frame_T *fr));
9739 static int ses_do_win __ARGS((win_T *wp));
9740 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9741 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9742 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9743
9744 /*
9745 * Write openfile commands for the current buffers to an .exrc file.
9746 * Return FAIL on error, OK otherwise.
9747 */
9748 static int
9749 makeopens(fd, dirnow)
9750 FILE *fd;
9751 char_u *dirnow; /* Current directory name */
9752 {
9753 buf_T *buf;
9754 int only_save_windows = TRUE;
9755 int nr;
9756 int cnr = 1;
9757 int restore_size = TRUE;
9758 win_T *wp;
9759 char_u *sname;
9760 win_T *edited_win = NULL;
9761 int tabnr;
9762 win_T *tab_firstwin;
9763 frame_T *tab_topframe;
9764 int cur_arg_idx = 0;
9765 int next_arg_idx = 0;
9766
9767 if (ssop_flags & SSOP_BUFFERS)
9768 only_save_windows = FALSE; /* Save ALL buffers */
9769
9770 /*
9771 * Begin by setting the this_session variable, and then other
9772 * sessionable variables.
9773 */
9774 #ifdef FEAT_EVAL
9775 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9776 return FAIL;
9777 if (ssop_flags & SSOP_GLOBALS)
9778 if (store_session_globals(fd) == FAIL)
9779 return FAIL;
9780 #endif
9781
9782 /*
9783 * Close all windows but one.
9784 */
9785 if (put_line(fd, "silent only") == FAIL)
9786 return FAIL;
9787
9788 /*
9789 * Now a :cd command to the session directory or the current directory
9790 */
9791 if (ssop_flags & SSOP_SESDIR)
9792 {
9793 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9794 == FAIL)
9795 return FAIL;
9796 }
9797 else if (ssop_flags & SSOP_CURDIR)
9798 {
9799 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9800 if (sname == NULL
9801 || fputs("cd ", fd) < 0
9802 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9803 || put_eol(fd) == FAIL)
9804 {
9805 vim_free(sname);
9806 return FAIL;
9807 }
9808 vim_free(sname);
9809 }
9810
9811 /*
9812 * If there is an empty, unnamed buffer we will wipe it out later.
9813 * Remember the buffer number.
9814 */
9815 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9816 return FAIL;
9817 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9818 return FAIL;
9819 if (put_line(fd, "endif") == FAIL)
9820 return FAIL;
9821
9822 /*
9823 * Now save the current files, current buffer first.
9824 */
9825 if (put_line(fd, "set shortmess=aoO") == FAIL)
9826 return FAIL;
9827
9828 /* Now put the other buffers into the buffer list */
9829 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9830 {
9831 if (!(only_save_windows && buf->b_nwindows == 0)
9832 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9833 && buf->b_fname != NULL
9834 && buf->b_p_bl)
9835 {
9836 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9837 : buf->b_wininfo->wi_fpos.lnum) < 0
9838 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9839 return FAIL;
9840 }
9841 }
9842
9843 /* the global argument list */
9844 if (ses_arglist(fd, "args", &global_alist.al_ga,
9845 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9846 return FAIL;
9847
9848 if (ssop_flags & SSOP_RESIZE)
9849 {
9850 /* Note: after the restore we still check it worked!*/
9851 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9852 || put_eol(fd) == FAIL)
9853 return FAIL;
9854 }
9855
9856 #ifdef FEAT_GUI
9857 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9858 {
9859 int x, y;
9860
9861 if (gui_mch_get_winpos(&x, &y) == OK)
9862 {
9863 /* Note: after the restore we still check it worked!*/
9864 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9865 return FAIL;
9866 }
9867 }
9868 #endif
9869
9870 /*
9871 * May repeat putting Windows for each tab, when "tabpages" is in
9872 * 'sessionoptions'.
9873 * Don't use goto_tabpage(), it may change directory and trigger
9874 * autocommands.
9875 */
9876 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9877 tab_topframe = topframe;
9878 for (tabnr = 1; ; ++tabnr)
9879 {
9880 int need_tabnew = FALSE;
9881
9882 if ((ssop_flags & SSOP_TABPAGES))
9883 {
9884 tabpage_T *tp = find_tabpage(tabnr);
9885
9886 if (tp == NULL)
9887 break; /* done all tab pages */
9888 if (tp == curtab)
9889 {
9890 tab_firstwin = firstwin;
9891 tab_topframe = topframe;
9892 }
9893 else
9894 {
9895 tab_firstwin = tp->tp_firstwin;
9896 tab_topframe = tp->tp_topframe;
9897 }
9898 if (tabnr > 1)
9899 need_tabnew = TRUE;
9900 }
9901
9902 /*
9903 * Before creating the window layout, try loading one file. If this
9904 * is aborted we don't end up with a number of useless windows.
9905 * This may have side effects! (e.g., compressed or network file).
9906 */
9907 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9908 {
9909 if (ses_do_win(wp)
9910 && wp->w_buffer->b_ffname != NULL
9911 && !wp->w_buffer->b_help
9912 #ifdef FEAT_QUICKFIX
9913 && !bt_nofile(wp->w_buffer)
9914 #endif
9915 )
9916 {
9917 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9918 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9919 return FAIL;
9920 need_tabnew = FALSE;
9921 if (!wp->w_arg_idx_invalid)
9922 edited_win = wp;
9923 break;
9924 }
9925 }
9926
9927 /* If no file got edited create an empty tab page. */
9928 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9929 return FAIL;
9930
9931 /*
9932 * Save current window layout.
9933 */
9934 if (put_line(fd, "set splitbelow splitright") == FAIL)
9935 return FAIL;
9936 if (ses_win_rec(fd, tab_topframe) == FAIL)
9937 return FAIL;
9938 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9939 return FAIL;
9940 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9941 return FAIL;
9942
9943 /*
9944 * Check if window sizes can be restored (no windows omitted).
9945 * Remember the window number of the current window after restoring.
9946 */
9947 nr = 0;
9948 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9949 {
9950 if (ses_do_win(wp))
9951 ++nr;
9952 else
9953 restore_size = FALSE;
9954 if (curwin == wp)
9955 cnr = nr;
9956 }
9957
9958 /* Go to the first window. */
9959 if (put_line(fd, "wincmd t") == FAIL)
9960 return FAIL;
9961
9962 /*
9963 * If more than one window, see if sizes can be restored.
9964 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9965 * resized when moving between windows.
9966 * Do this before restoring the view, so that the topline and the
9967 * cursor can be set. This is done again below.
9968 */
9969 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9970 return FAIL;
9971 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9972 return FAIL;
9973
9974 /*
9975 * Restore the view of the window (options, file, cursor, etc.).
9976 */
9977 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9978 {
9979 if (!ses_do_win(wp))
9980 continue;
9981 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
9982 cur_arg_idx) == FAIL)
9983 return FAIL;
9984 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
9985 return FAIL;
9986 next_arg_idx = wp->w_arg_idx;
9987 }
9988
9989 /* The argument index in the first tab page is zero, need to set it in
9990 * each window. For further tab pages it's the window where we do
9991 * "tabedit". */
9992 cur_arg_idx = next_arg_idx;
9993
9994 /*
9995 * Restore cursor to the current window if it's not the first one.
9996 */
9997 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
9998 || put_eol(fd) == FAIL))
9999 return FAIL;
10000
10001 /*
10002 * Restore window sizes again after jumping around in windows, because
10003 * the current window has a minimum size while others may not.
10004 */
10005 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10006 return FAIL;
10007
10008 /* Don't continue in another tab page when doing only the current one
10009 * or when at the last tab page. */
10010 if (!(ssop_flags & SSOP_TABPAGES))
10011 break;
10012 }
10013
10014 if (ssop_flags & SSOP_TABPAGES)
10015 {
10016 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10017 || put_eol(fd) == FAIL)
10018 return FAIL;
10019 }
10020
10021 /*
10022 * Wipe out an empty unnamed buffer we started in.
10023 */
10024 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10025 return FAIL;
10026 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10027 return FAIL;
10028 if (put_line(fd, "endif") == FAIL)
10029 return FAIL;
10030 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10031 return FAIL;
10032
10033 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10034 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10035 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10036 return FAIL;
10037
10038 /*
10039 * Lastly, execute the x.vim file if it exists.
10040 */
10041 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10042 || put_line(fd, "if file_readable(s:sx)") == FAIL
10043 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10044 || put_line(fd, "endif") == FAIL)
10045 return FAIL;
10046
10047 return OK;
10048 }
10049
10050 static int
10051 ses_winsizes(fd, restore_size, tab_firstwin)
10052 FILE *fd;
10053 int restore_size;
10054 win_T *tab_firstwin;
10055 {
10056 int n = 0;
10057 win_T *wp;
10058
10059 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10060 {
10061 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10062 {
10063 if (!ses_do_win(wp))
10064 continue;
10065 ++n;
10066
10067 /* restore height when not full height */
10068 if (wp->w_height + wp->w_status_height < topframe->fr_height
10069 && (fprintf(fd,
10070 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10071 n, (long)wp->w_height, Rows / 2, Rows) < 0
10072 || put_eol(fd) == FAIL))
10073 return FAIL;
10074
10075 /* restore width when not full width */
10076 if (wp->w_width < Columns && (fprintf(fd,
10077 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10078 n, (long)wp->w_width, Columns / 2, Columns) < 0
10079 || put_eol(fd) == FAIL))
10080 return FAIL;
10081 }
10082 }
10083 else
10084 {
10085 /* Just equalise window sizes */
10086 if (put_line(fd, "wincmd =") == FAIL)
10087 return FAIL;
10088 }
10089 return OK;
10090 }
10091
10092 /*
10093 * Write commands to "fd" to recursively create windows for frame "fr",
10094 * horizontally and vertically split.
10095 * After the commands the last window in the frame is the current window.
10096 * Returns FAIL when writing the commands to "fd" fails.
10097 */
10098 static int
10099 ses_win_rec(fd, fr)
10100 FILE *fd;
10101 frame_T *fr;
10102 {
10103 frame_T *frc;
10104 int count = 0;
10105
10106 if (fr->fr_layout != FR_LEAF)
10107 {
10108 /* Find first frame that's not skipped and then create a window for
10109 * each following one (first frame is already there). */
10110 frc = ses_skipframe(fr->fr_child);
10111 if (frc != NULL)
10112 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10113 {
10114 /* Make window as big as possible so that we have lots of room
10115 * to split. */
10116 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10117 || put_line(fd, fr->fr_layout == FR_COL
10118 ? "split" : "vsplit") == FAIL)
10119 return FAIL;
10120 ++count;
10121 }
10122
10123 /* Go back to the first window. */
10124 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10125 ? "%dwincmd k" : "%dwincmd h", count) < 0
10126 || put_eol(fd) == FAIL))
10127 return FAIL;
10128
10129 /* Recursively create frames/windows in each window of this column or
10130 * row. */
10131 frc = ses_skipframe(fr->fr_child);
10132 while (frc != NULL)
10133 {
10134 ses_win_rec(fd, frc);
10135 frc = ses_skipframe(frc->fr_next);
10136 /* Go to next window. */
10137 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10138 return FAIL;
10139 }
10140 }
10141 return OK;
10142 }
10143
10144 /*
10145 * Skip frames that don't contain windows we want to save in the Session.
10146 * Returns NULL when there none.
10147 */
10148 static frame_T *
10149 ses_skipframe(fr)
10150 frame_T *fr;
10151 {
10152 frame_T *frc;
10153
10154 for (frc = fr; frc != NULL; frc = frc->fr_next)
10155 if (ses_do_frame(frc))
10156 break;
10157 return frc;
10158 }
10159
10160 /*
10161 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10162 * the Session.
10163 */
10164 static int
10165 ses_do_frame(fr)
10166 frame_T *fr;
10167 {
10168 frame_T *frc;
10169
10170 if (fr->fr_layout == FR_LEAF)
10171 return ses_do_win(fr->fr_win);
10172 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10173 if (ses_do_frame(frc))
10174 return TRUE;
10175 return FALSE;
10176 }
10177
10178 /*
10179 * Return non-zero if window "wp" is to be stored in the Session.
10180 */
10181 static int
10182 ses_do_win(wp)
10183 win_T *wp;
10184 {
10185 if (wp->w_buffer->b_fname == NULL
10186 #ifdef FEAT_QUICKFIX
10187 /* When 'buftype' is "nofile" can't restore the window contents. */
10188 || bt_nofile(wp->w_buffer)
10189 #endif
10190 )
10191 return (ssop_flags & SSOP_BLANK);
10192 if (wp->w_buffer->b_help)
10193 return (ssop_flags & SSOP_HELP);
10194 return TRUE;
10195 }
10196
10197 /*
10198 * Write commands to "fd" to restore the view of a window.
10199 * Caller must make sure 'scrolloff' is zero.
10200 */
10201 static int
10202 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10203 FILE *fd;
10204 win_T *wp;
10205 int add_edit; /* add ":edit" command to view */
10206 unsigned *flagp; /* vop_flags or ssop_flags */
10207 int current_arg_idx; /* current argument index of the window, use
10208 * -1 if unknown */
10209 {
10210 win_T *save_curwin;
10211 int f;
10212 int do_cursor;
10213 int did_next = FALSE;
10214
10215 /* Always restore cursor position for ":mksession". For ":mkview" only
10216 * when 'viewoptions' contains "cursor". */
10217 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10218
10219 /*
10220 * Local argument list.
10221 */
10222 if (wp->w_alist == &global_alist)
10223 {
10224 if (put_line(fd, "argglobal") == FAIL)
10225 return FAIL;
10226 }
10227 else
10228 {
10229 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10230 flagp == &vop_flags
10231 || !(*flagp & SSOP_CURDIR)
10232 || wp->w_localdir != NULL, flagp) == FAIL)
10233 return FAIL;
10234 }
10235
10236 /* Only when part of a session: restore the argument index. Some
10237 * arguments may have been deleted, check if the index is valid. */
10238 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10239 && flagp == &ssop_flags)
10240 {
10241 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10242 || put_eol(fd) == FAIL)
10243 return FAIL;
10244 did_next = TRUE;
10245 }
10246
10247 /* Edit the file. Skip this when ":next" already did it. */
10248 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10249 {
10250 /*
10251 * Load the file.
10252 */
10253 if (wp->w_buffer->b_ffname != NULL
10254 #ifdef FEAT_QUICKFIX
10255 && !bt_nofile(wp->w_buffer)
10256 #endif
10257 )
10258 {
10259 /*
10260 * Editing a file in this buffer: use ":edit file".
10261 * This may have side effects! (e.g., compressed or network file).
10262 */
10263 if (fputs("edit ", fd) < 0
10264 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10265 return FAIL;
10266 }
10267 else
10268 {
10269 /* No file in this buffer, just make it empty. */
10270 if (put_line(fd, "enew") == FAIL)
10271 return FAIL;
10272 #ifdef FEAT_QUICKFIX
10273 if (wp->w_buffer->b_ffname != NULL)
10274 {
10275 /* The buffer does have a name, but it's not a file name. */
10276 if (fputs("file ", fd) < 0
10277 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10278 return FAIL;
10279 }
10280 #endif
10281 do_cursor = FALSE;
10282 }
10283 }
10284
10285 /*
10286 * Local mappings and abbreviations.
10287 */
10288 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10289 && makemap(fd, wp->w_buffer) == FAIL)
10290 return FAIL;
10291
10292 /*
10293 * Local options. Need to go to the window temporarily.
10294 * Store only local values when using ":mkview" and when ":mksession" is
10295 * used and 'sessionoptions' doesn't include "options".
10296 * Some folding options are always stored when "folds" is included,
10297 * otherwise the folds would not be restored correctly.
10298 */
10299 save_curwin = curwin;
10300 curwin = wp;
10301 curbuf = curwin->w_buffer;
10302 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10303 f = makeset(fd, OPT_LOCAL,
10304 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10305 #ifdef FEAT_FOLDING
10306 else if (*flagp & SSOP_FOLDS)
10307 f = makefoldset(fd);
10308 #endif
10309 else
10310 f = OK;
10311 curwin = save_curwin;
10312 curbuf = curwin->w_buffer;
10313 if (f == FAIL)
10314 return FAIL;
10315
10316 #ifdef FEAT_FOLDING
10317 /*
10318 * Save Folds when 'buftype' is empty and for help files.
10319 */
10320 if ((*flagp & SSOP_FOLDS)
10321 && wp->w_buffer->b_ffname != NULL
10322 # ifdef FEAT_QUICKFIX
10323 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10324 # endif
10325 )
10326 {
10327 if (put_folds(fd, wp) == FAIL)
10328 return FAIL;
10329 }
10330 #endif
10331
10332 /*
10333 * Set the cursor after creating folds, since that moves the cursor.
10334 */
10335 if (do_cursor)
10336 {
10337
10338 /* Restore the cursor line in the file and relatively in the
10339 * window. Don't use "G", it changes the jumplist. */
10340 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10341 (long)wp->w_cursor.lnum,
10342 (long)(wp->w_cursor.lnum - wp->w_topline),
10343 (long)wp->w_height / 2, (long)wp->w_height) < 0
10344 || put_eol(fd) == FAIL
10345 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10346 || put_line(fd, "exe s:l") == FAIL
10347 || put_line(fd, "normal! zt") == FAIL
10348 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10349 || put_eol(fd) == FAIL)
10350 return FAIL;
10351 /* Restore the cursor column and left offset when not wrapping. */
10352 if (wp->w_cursor.col == 0)
10353 {
10354 if (put_line(fd, "normal! 0") == FAIL)
10355 return FAIL;
10356 }
10357 else
10358 {
10359 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10360 {
10361 if (fprintf(fd,
10362 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10363 (long)wp->w_cursor.col,
10364 (long)(wp->w_cursor.col - wp->w_leftcol),
10365 (long)wp->w_width / 2, (long)wp->w_width) < 0
10366 || put_eol(fd) == FAIL
10367 || put_line(fd, "if s:c > 0") == FAIL
10368 || fprintf(fd,
10369 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10370 (long)wp->w_cursor.col) < 0
10371 || put_eol(fd) == FAIL
10372 || put_line(fd, "else") == FAIL
10373 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10374 || put_eol(fd) == FAIL
10375 || put_line(fd, "endif") == FAIL)
10376 return FAIL;
10377 }
10378 else
10379 {
10380 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10381 || put_eol(fd) == FAIL)
10382 return FAIL;
10383 }
10384 }
10385 }
10386
10387 /*
10388 * Local directory.
10389 */
10390 if (wp->w_localdir != NULL)
10391 {
10392 if (fputs("lcd ", fd) < 0
10393 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10394 || put_eol(fd) == FAIL)
10395 return FAIL;
10396 did_lcd = TRUE;
10397 }
10398
10399 return OK;
10400 }
10401
10402 /*
10403 * Write an argument list to the session file.
10404 * Returns FAIL if writing fails.
10405 */
10406 static int
10407 ses_arglist(fd, cmd, gap, fullname, flagp)
10408 FILE *fd;
10409 char *cmd;
10410 garray_T *gap;
10411 int fullname; /* TRUE: use full path name */
10412 unsigned *flagp;
10413 {
10414 int i;
10415 char_u buf[MAXPATHL];
10416 char_u *s;
10417
10418 if (gap->ga_len == 0)
10419 return put_line(fd, "silent! argdel *");
10420 if (fputs(cmd, fd) < 0)
10421 return FAIL;
10422 for (i = 0; i < gap->ga_len; ++i)
10423 {
10424 /* NULL file names are skipped (only happens when out of memory). */
10425 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10426 if (s != NULL)
10427 {
10428 if (fullname)
10429 {
10430 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10431 s = buf;
10432 }
10433 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10434 return FAIL;
10435 }
10436 }
10437 return put_eol(fd);
10438 }
10439
10440 /*
10441 * Write a buffer name to the session file.
10442 * Also ends the line.
10443 * Returns FAIL if writing fails.
10444 */
10445 static int
10446 ses_fname(fd, buf, flagp)
10447 FILE *fd;
10448 buf_T *buf;
10449 unsigned *flagp;
10450 {
10451 char_u *name;
10452
10453 /* Use the short file name if the current directory is known at the time
10454 * the session file will be sourced.
10455 * Don't do this for ":mkview", we don't know the current directory.
10456 * Don't do this after ":lcd", we don't keep track of what the current
10457 * directory is. */
10458 if (buf->b_sfname != NULL
10459 && flagp == &ssop_flags
10460 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10461 && !did_lcd)
10462 name = buf->b_sfname;
10463 else
10464 name = buf->b_ffname;
10465 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10466 return FAIL;
10467 return OK;
10468 }
10469
10470 /*
10471 * Write a file name to the session file.
10472 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10473 * characters.
10474 * Returns FAIL if writing fails.
10475 */
10476 static int
10477 ses_put_fname(fd, name, flagp)
10478 FILE *fd;
10479 char_u *name;
10480 unsigned *flagp;
10481 {
10482 char_u *sname;
10483 int retval = OK;
10484 int c;
10485
10486 sname = home_replace_save(NULL, name);
10487 if (sname != NULL)
10488 name = sname;
10489 while (*name != NUL)
10490 {
10491 #ifdef FEAT_MBYTE
10492 {
10493 int l;
10494
10495 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10496 {
10497 /* copy a multibyte char */
10498 while (--l >= 0)
10499 {
10500 if (putc(*name, fd) != *name)
10501 retval = FAIL;
10502 ++name;
10503 }
10504 continue;
10505 }
10506 }
10507 #endif
10508 c = *name++;
10509 if (c == '\\' && (*flagp & SSOP_SLASH))
10510 /* change a backslash to a forward slash */
10511 c = '/';
10512 else if ((vim_strchr(escape_chars, c) != NULL
10513 #ifdef BACKSLASH_IN_FILENAME
10514 && c != '\\'
10515 #endif
10516 ) || c == '#' || c == '%')
10517 {
10518 /* escape a special character with a backslash */
10519 if (putc('\\', fd) != '\\')
10520 retval = FAIL;
10521 }
10522 if (putc(c, fd) != c)
10523 retval = FAIL;
10524 }
10525 vim_free(sname);
10526 return retval;
10527 }
10528
10529 /*
10530 * ":loadview [nr]"
10531 */
10532 static void
10533 ex_loadview(eap)
10534 exarg_T *eap;
10535 {
10536 char_u *fname;
10537
10538 fname = get_view_file(*eap->arg);
10539 if (fname != NULL)
10540 {
10541 do_source(fname, FALSE, DOSO_NONE);
10542 vim_free(fname);
10543 }
10544 }
10545
10546 /*
10547 * Get the name of the view file for the current buffer.
10548 */
10549 static char_u *
10550 get_view_file(c)
10551 int c;
10552 {
10553 int len = 0;
10554 char_u *p, *s;
10555 char_u *retval;
10556 char_u *sname;
10557
10558 if (curbuf->b_ffname == NULL)
10559 {
10560 EMSG(_(e_noname));
10561 return NULL;
10562 }
10563 sname = home_replace_save(NULL, curbuf->b_ffname);
10564 if (sname == NULL)
10565 return NULL;
10566
10567 /*
10568 * We want a file name without separators, because we're not going to make
10569 * a directory.
10570 * "normal" path separator -> "=+"
10571 * "=" -> "=="
10572 * ":" path separator -> "=-"
10573 */
10574 for (p = sname; *p; ++p)
10575 if (*p == '=' || vim_ispathsep(*p))
10576 ++len;
10577 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10578 if (retval != NULL)
10579 {
10580 STRCPY(retval, p_vdir);
10581 add_pathsep(retval);
10582 s = retval + STRLEN(retval);
10583 for (p = sname; *p; ++p)
10584 {
10585 if (*p == '=')
10586 {
10587 *s++ = '=';
10588 *s++ = '=';
10589 }
10590 else if (vim_ispathsep(*p))
10591 {
10592 *s++ = '=';
10593 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10594 || defined(VMS)
10595 if (*p == ':')
10596 *s++ = '-';
10597 else
10598 #endif
10599 *s++ = '+';
10600 }
10601 else
10602 *s++ = *p;
10603 }
10604 *s++ = '=';
10605 *s++ = c;
10606 STRCPY(s, ".vim");
10607 }
10608
10609 vim_free(sname);
10610 return retval;
10611 }
10612
10613 #endif /* FEAT_SESSION */
10614
10615 /*
10616 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10617 * Return FAIL for a write error.
10618 */
10619 int
10620 put_eol(fd)
10621 FILE *fd;
10622 {
10623 if (
10624 #ifdef USE_CRNL
10625 (
10626 # ifdef MKSESSION_NL
10627 !mksession_nl &&
10628 # endif
10629 (putc('\r', fd) < 0)) ||
10630 #endif
10631 (putc('\n', fd) < 0))
10632 return FAIL;
10633 return OK;
10634 }
10635
10636 /*
10637 * Write a line to "fd".
10638 * Return FAIL for a write error.
10639 */
10640 int
10641 put_line(fd, s)
10642 FILE *fd;
10643 char *s;
10644 {
10645 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10646 return FAIL;
10647 return OK;
10648 }
10649
10650 #ifdef FEAT_VIMINFO
10651 /*
10652 * ":rviminfo" and ":wviminfo".
10653 */
10654 static void
10655 ex_viminfo(eap)
10656 exarg_T *eap;
10657 {
10658 char_u *save_viminfo;
10659
10660 save_viminfo = p_viminfo;
10661 if (*p_viminfo == NUL)
10662 p_viminfo = (char_u *)"'100";
10663 if (eap->cmdidx == CMD_rviminfo)
10664 {
10665 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10666 EMSG(_("E195: Cannot open viminfo file for reading"));
10667 }
10668 else
10669 write_viminfo(eap->arg, eap->forceit);
10670 p_viminfo = save_viminfo;
10671 }
10672 #endif
10673
10674 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10675 /*
10676 * Make a dialog message in "buff[IOSIZE]".
10677 * "format" must contain "%s".
10678 */
10679 void
10680 dialog_msg(buff, format, fname)
10681 char_u *buff;
10682 char *format;
10683 char_u *fname;
10684 {
10685 if (fname == NULL)
10686 fname = (char_u *)_("Untitled");
10687 vim_snprintf((char *)buff, IOSIZE, format, fname);
10688 }
10689 #endif
10690
10691 /*
10692 * ":behave {mswin,xterm}"
10693 */
10694 static void
10695 ex_behave(eap)
10696 exarg_T *eap;
10697 {
10698 if (STRCMP(eap->arg, "mswin") == 0)
10699 {
10700 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10701 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10702 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10703 set_option_value((char_u *)"keymodel", 0L,
10704 (char_u *)"startsel,stopsel", 0);
10705 }
10706 else if (STRCMP(eap->arg, "xterm") == 0)
10707 {
10708 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10709 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10710 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10711 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10712 }
10713 else
10714 EMSG2(_(e_invarg2), eap->arg);
10715 }
10716
10717 #ifdef FEAT_AUTOCMD
10718 static int filetype_detect = FALSE;
10719 static int filetype_plugin = FALSE;
10720 static int filetype_indent = FALSE;
10721
10722 /*
10723 * ":filetype [plugin] [indent] {on,off,detect}"
10724 * on: Load the filetype.vim file to install autocommands for file types.
10725 * off: Load the ftoff.vim file to remove all autocommands for file types.
10726 * plugin on: load filetype.vim and ftplugin.vim
10727 * plugin off: load ftplugof.vim
10728 * indent on: load filetype.vim and indent.vim
10729 * indent off: load indoff.vim
10730 */
10731 static void
10732 ex_filetype(eap)
10733 exarg_T *eap;
10734 {
10735 char_u *arg = eap->arg;
10736 int plugin = FALSE;
10737 int indent = FALSE;
10738
10739 if (*eap->arg == NUL)
10740 {
10741 /* Print current status. */
10742 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10743 filetype_detect ? "ON" : "OFF",
10744 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10745 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10746 return;
10747 }
10748
10749 /* Accept "plugin" and "indent" in any order. */
10750 for (;;)
10751 {
10752 if (STRNCMP(arg, "plugin", 6) == 0)
10753 {
10754 plugin = TRUE;
10755 arg = skipwhite(arg + 6);
10756 continue;
10757 }
10758 if (STRNCMP(arg, "indent", 6) == 0)
10759 {
10760 indent = TRUE;
10761 arg = skipwhite(arg + 6);
10762 continue;
10763 }
10764 break;
10765 }
10766 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10767 {
10768 if (*arg == 'o' || !filetype_detect)
10769 {
10770 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10771 filetype_detect = TRUE;
10772 if (plugin)
10773 {
10774 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10775 filetype_plugin = TRUE;
10776 }
10777 if (indent)
10778 {
10779 source_runtime((char_u *)INDENT_FILE, TRUE);
10780 filetype_indent = TRUE;
10781 }
10782 }
10783 if (*arg == 'd')
10784 {
10785 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10786 do_modelines(0);
10787 }
10788 }
10789 else if (STRCMP(arg, "off") == 0)
10790 {
10791 if (plugin || indent)
10792 {
10793 if (plugin)
10794 {
10795 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10796 filetype_plugin = FALSE;
10797 }
10798 if (indent)
10799 {
10800 source_runtime((char_u *)INDOFF_FILE, TRUE);
10801 filetype_indent = FALSE;
10802 }
10803 }
10804 else
10805 {
10806 source_runtime((char_u *)FTOFF_FILE, TRUE);
10807 filetype_detect = FALSE;
10808 }
10809 }
10810 else
10811 EMSG2(_(e_invarg2), arg);
10812 }
10813
10814 /*
10815 * ":setfiletype {name}"
10816 */
10817 static void
10818 ex_setfiletype(eap)
10819 exarg_T *eap;
10820 {
10821 if (!did_filetype)
10822 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10823 }
10824 #endif
10825
10826 /*ARGSUSED*/
10827 static void
10828 ex_digraphs(eap)
10829 exarg_T *eap;
10830 {
10831 #ifdef FEAT_DIGRAPHS
10832 if (*eap->arg != NUL)
10833 putdigraph(eap->arg);
10834 else
10835 listdigraphs();
10836 #else
10837 EMSG(_("E196: No digraphs in this version"));
10838 #endif
10839 }
10840
10841 static void
10842 ex_set(eap)
10843 exarg_T *eap;
10844 {
10845 int flags = 0;
10846
10847 if (eap->cmdidx == CMD_setlocal)
10848 flags = OPT_LOCAL;
10849 else if (eap->cmdidx == CMD_setglobal)
10850 flags = OPT_GLOBAL;
10851 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10852 if (cmdmod.browse && flags == 0)
10853 ex_options(eap);
10854 else
10855 #endif
10856 (void)do_set(eap->arg, flags);
10857 }
10858
10859 #ifdef FEAT_SEARCH_EXTRA
10860 /*
10861 * ":nohlsearch"
10862 */
10863 /*ARGSUSED*/
10864 static void
10865 ex_nohlsearch(eap)
10866 exarg_T *eap;
10867 {
10868 no_hlsearch = TRUE;
10869 redraw_all_later(SOME_VALID);
10870 }
10871
10872 /*
10873 * ":[N]match {group} {pattern}"
10874 * Sets nextcmd to the start of the next command, if any. Also called when
10875 * skipping commands to find the next command.
10876 */
10877 static void
10878 ex_match(eap)
10879 exarg_T *eap;
10880 {
10881 char_u *p;
10882 char_u *g = NULL;
10883 char_u *end;
10884 int c;
10885 int id;
10886
10887 if (eap->line2 <= 3)
10888 id = eap->line2;
10889 else
10890 {
10891 EMSG(e_invcmd);
10892 return;
10893 }
10894
10895 /* First clear any old pattern. */
10896 if (!eap->skip)
10897 match_delete(curwin, id, FALSE);
10898
10899 if (ends_excmd(*eap->arg))
10900 end = eap->arg;
10901 else if ((STRNICMP(eap->arg, "none", 4) == 0
10902 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10903 end = eap->arg + 4;
10904 else
10905 {
10906 p = skiptowhite(eap->arg);
10907 if (!eap->skip)
10908 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10909 p = skipwhite(p);
10910 if (*p == NUL)
10911 {
10912 /* There must be two arguments. */
10913 EMSG2(_(e_invarg2), eap->arg);
10914 return;
10915 }
10916 end = skip_regexp(p + 1, *p, TRUE, NULL);
10917 if (!eap->skip)
10918 {
10919 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10920 {
10921 eap->errmsg = e_trailing;
10922 return;
10923 }
10924 if (*end != *p)
10925 {
10926 EMSG2(_(e_invarg2), p);
10927 return;
10928 }
10929
10930 c = *end;
10931 *end = NUL;
10932 match_add(curwin, g, p + 1, 10, id);
10933 vim_free(g);
10934 *end = c;
10935 }
10936 }
10937 eap->nextcmd = find_nextcmd(end);
10938 }
10939 #endif
10940
10941 #ifdef FEAT_CRYPT
10942 /*
10943 * ":X": Get crypt key
10944 */
10945 /*ARGSUSED*/
10946 static void
10947 ex_X(eap)
10948 exarg_T *eap;
10949 {
10950 (void)get_crypt_key(TRUE, TRUE);
10951 }
10952 #endif
10953
10954 #ifdef FEAT_FOLDING
10955 static void
10956 ex_fold(eap)
10957 exarg_T *eap;
10958 {
10959 if (foldManualAllowed(TRUE))
10960 foldCreate(eap->line1, eap->line2);
10961 }
10962
10963 static void
10964 ex_foldopen(eap)
10965 exarg_T *eap;
10966 {
10967 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10968 eap->forceit, FALSE);
10969 }
10970
10971 static void
10972 ex_folddo(eap)
10973 exarg_T *eap;
10974 {
10975 linenr_T lnum;
10976
10977 /* First set the marks for all lines closed/open. */
10978 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10979 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10980 ml_setmarked(lnum);
10981
10982 /* Execute the command on the marked lines. */
10983 global_exe(eap->arg);
10984 ml_clearmarked(); /* clear rest of the marks */
10985 }
10986 #endif
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