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Basic plugin architecture
[MacVim.git] / src / ex_docmd.c
blobaf5d2483b71962339b40e619da0fc2e7774b574f
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 #ifdef HAVE_FCNTL_H
17 # include <fcntl.h> /* for chdir() */
18 #endif
19
20 static int quitmore = 0;
21 static int ex_pressedreturn = FALSE;
22 #ifndef FEAT_PRINTER
23 # define ex_hardcopy ex_ni
24 #endif
25
26 #ifdef FEAT_USR_CMDS
27 typedef struct ucmd
28 {
29 char_u *uc_name; /* The command name */
30 long_u uc_argt; /* The argument type */
31 char_u *uc_rep; /* The command's replacement string */
32 long uc_def; /* The default value for a range/count */
33 scid_T uc_scriptID; /* SID where the command was defined */
34 int uc_compl; /* completion type */
35 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
36 char_u *uc_compl_arg; /* completion argument if any */
37 # endif
38 } ucmd_T;
39
40 #define UC_BUFFER 1 /* -buffer: local to current buffer */
41
42 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
43
44 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
45 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
46
47 static void do_ucmd __ARGS((exarg_T *eap));
48 static void ex_command __ARGS((exarg_T *eap));
49 static void ex_delcommand __ARGS((exarg_T *eap));
50 # ifdef FEAT_CMDL_COMPL
51 static char_u *get_user_command_name __ARGS((int idx));
52 # endif
53
54 #else
55 # define ex_command ex_ni
56 # define ex_comclear ex_ni
57 # define ex_delcommand ex_ni
58 #endif
59
60 #ifdef FEAT_EVAL
61 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
62 #else
63 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
64 static int if_level = 0; /* depth in :if */
65 #endif
66 static char_u *find_command __ARGS((exarg_T *eap, int *full));
67
68 static void ex_abbreviate __ARGS((exarg_T *eap));
69 static void ex_map __ARGS((exarg_T *eap));
70 static void ex_unmap __ARGS((exarg_T *eap));
71 static void ex_mapclear __ARGS((exarg_T *eap));
72 static void ex_abclear __ARGS((exarg_T *eap));
73 #ifndef FEAT_MENU
74 # define ex_emenu ex_ni
75 # define ex_menu ex_ni
76 # define ex_menutranslate ex_ni
77 #endif
78 #ifdef FEAT_AUTOCMD
79 static void ex_autocmd __ARGS((exarg_T *eap));
80 static void ex_doautocmd __ARGS((exarg_T *eap));
81 #else
82 # define ex_autocmd ex_ni
83 # define ex_doautocmd ex_ni
84 # define ex_doautoall ex_ni
85 #endif
86 #ifdef FEAT_LISTCMDS
87 static void ex_bunload __ARGS((exarg_T *eap));
88 static void ex_buffer __ARGS((exarg_T *eap));
89 static void ex_bmodified __ARGS((exarg_T *eap));
90 static void ex_bnext __ARGS((exarg_T *eap));
91 static void ex_bprevious __ARGS((exarg_T *eap));
92 static void ex_brewind __ARGS((exarg_T *eap));
93 static void ex_blast __ARGS((exarg_T *eap));
94 #else
95 # define ex_bunload ex_ni
96 # define ex_buffer ex_ni
97 # define ex_bmodified ex_ni
98 # define ex_bnext ex_ni
99 # define ex_bprevious ex_ni
100 # define ex_brewind ex_ni
101 # define ex_blast ex_ni
102 # define buflist_list ex_ni
103 # define ex_checktime ex_ni
104 #endif
105 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
106 # define ex_buffer_all ex_ni
107 #endif
108 static char_u *getargcmd __ARGS((char_u **));
109 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
110 static int getargopt __ARGS((exarg_T *eap));
111 #ifndef FEAT_QUICKFIX
112 # define ex_make ex_ni
113 # define ex_cbuffer ex_ni
114 # define ex_cc ex_ni
115 # define ex_cnext ex_ni
116 # define ex_cfile ex_ni
117 # define qf_list ex_ni
118 # define qf_age ex_ni
119 # define ex_helpgrep ex_ni
120 # define ex_vimgrep ex_ni
121 #endif
122 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
123 # define ex_cclose ex_ni
124 # define ex_copen ex_ni
125 # define ex_cwindow ex_ni
126 #endif
127 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
128 # define ex_cexpr ex_ni
129 #endif
130
131 static int check_more __ARGS((int, int));
132 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
133 static void get_flags __ARGS((exarg_T *eap));
134 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
135 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
136 # define HAVE_EX_SCRIPT_NI
137 static void ex_script_ni __ARGS((exarg_T *eap));
138 #endif
139 static char_u *invalid_range __ARGS((exarg_T *eap));
140 static void correct_range __ARGS((exarg_T *eap));
141 #ifdef FEAT_QUICKFIX
142 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
143 #endif
144 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
145 static void ex_highlight __ARGS((exarg_T *eap));
146 static void ex_colorscheme __ARGS((exarg_T *eap));
147 static void ex_quit __ARGS((exarg_T *eap));
148 static void ex_cquit __ARGS((exarg_T *eap));
149 static void ex_quit_all __ARGS((exarg_T *eap));
150 #ifdef FEAT_WINDOWS
151 static void ex_close __ARGS((exarg_T *eap));
152 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
153 static void ex_only __ARGS((exarg_T *eap));
154 static void ex_resize __ARGS((exarg_T *eap));
155 static void ex_stag __ARGS((exarg_T *eap));
156 static void ex_tabclose __ARGS((exarg_T *eap));
157 static void ex_tabonly __ARGS((exarg_T *eap));
158 static void ex_tabnext __ARGS((exarg_T *eap));
159 static void ex_tabmove __ARGS((exarg_T *eap));
160 static void ex_tabs __ARGS((exarg_T *eap));
161 #else
162 # define ex_close ex_ni
163 # define ex_only ex_ni
164 # define ex_all ex_ni
165 # define ex_resize ex_ni
166 # define ex_splitview ex_ni
167 # define ex_stag ex_ni
168 # define ex_tabnext ex_ni
169 # define ex_tabmove ex_ni
170 # define ex_tabs ex_ni
171 # define ex_tabclose ex_ni
172 # define ex_tabonly ex_ni
173 #endif
174 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
175 static void ex_pclose __ARGS((exarg_T *eap));
176 static void ex_ptag __ARGS((exarg_T *eap));
177 static void ex_pedit __ARGS((exarg_T *eap));
178 #else
179 # define ex_pclose ex_ni
180 # define ex_ptag ex_ni
181 # define ex_pedit ex_ni
182 #endif
183 static void ex_hide __ARGS((exarg_T *eap));
184 static void ex_stop __ARGS((exarg_T *eap));
185 static void ex_exit __ARGS((exarg_T *eap));
186 static void ex_print __ARGS((exarg_T *eap));
187 #ifdef FEAT_BYTEOFF
188 static void ex_goto __ARGS((exarg_T *eap));
189 #else
190 # define ex_goto ex_ni
191 #endif
192 static void ex_shell __ARGS((exarg_T *eap));
193 static void ex_preserve __ARGS((exarg_T *eap));
194 static void ex_recover __ARGS((exarg_T *eap));
195 #ifndef FEAT_LISTCMDS
196 # define ex_argedit ex_ni
197 # define ex_argadd ex_ni
198 # define ex_argdelete ex_ni
199 # define ex_listdo ex_ni
200 #endif
201 static void ex_mode __ARGS((exarg_T *eap));
202 static void ex_wrongmodifier __ARGS((exarg_T *eap));
203 static void ex_find __ARGS((exarg_T *eap));
204 static void ex_open __ARGS((exarg_T *eap));
205 static void ex_edit __ARGS((exarg_T *eap));
206 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
207 # define ex_drop ex_ni
208 #endif
209 #ifndef FEAT_GUI
210 # define ex_gui ex_nogui
211 static void ex_nogui __ARGS((exarg_T *eap));
212 #endif
213 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
214 static void ex_tearoff __ARGS((exarg_T *eap));
215 #else
216 # define ex_tearoff ex_ni
217 #endif
218 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
219 || defined(FEAT_GUI_MACVIM))
220 static void ex_popup __ARGS((exarg_T *eap));
221 #else
222 # define ex_popup ex_ni
223 #endif
224 #ifndef FEAT_GUI_MSWIN
225 # define ex_simalt ex_ni
226 #endif
227 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
228 # define gui_mch_find_dialog ex_ni
229 # define gui_mch_replace_dialog ex_ni
230 #endif
231 #if !defined(FEAT_GUI_GTK)
232 # define ex_helpfind ex_ni
233 #endif
234 #ifndef FEAT_CSCOPE
235 # define do_cscope ex_ni
236 # define do_scscope ex_ni
237 # define do_cstag ex_ni
238 #endif
239 #ifndef FEAT_SYN_HL
240 # define ex_syntax ex_ni
241 #endif
242 #ifndef FEAT_SPELL
243 # define ex_spell ex_ni
244 # define ex_mkspell ex_ni
245 # define ex_spelldump ex_ni
246 # define ex_spellinfo ex_ni
247 # define ex_spellrepall ex_ni
248 #endif
249 #ifndef FEAT_MZSCHEME
250 # define ex_mzscheme ex_script_ni
251 # define ex_mzfile ex_ni
252 #endif
253 #ifndef FEAT_PERL
254 # define ex_perl ex_script_ni
255 # define ex_perldo ex_ni
256 #endif
257 #ifndef FEAT_PYTHON
258 # define ex_python ex_script_ni
259 # define ex_pyfile ex_ni
260 #endif
261 #ifndef FEAT_TCL
262 # define ex_tcl ex_script_ni
263 # define ex_tcldo ex_ni
264 # define ex_tclfile ex_ni
265 #endif
266 #ifndef FEAT_RUBY
267 # define ex_ruby ex_script_ni
268 # define ex_rubydo ex_ni
269 # define ex_rubyfile ex_ni
270 #endif
271 #ifndef FEAT_SNIFF
272 # define ex_sniff ex_ni
273 #endif
274 #ifndef FEAT_KEYMAP
275 # define ex_loadkeymap ex_ni
276 #endif
277 static void ex_swapname __ARGS((exarg_T *eap));
278 static void ex_syncbind __ARGS((exarg_T *eap));
279 static void ex_read __ARGS((exarg_T *eap));
280 static void ex_pwd __ARGS((exarg_T *eap));
281 static void ex_equal __ARGS((exarg_T *eap));
282 static void ex_sleep __ARGS((exarg_T *eap));
283 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
284 static void ex_winsize __ARGS((exarg_T *eap));
285 #ifdef FEAT_WINDOWS
286 static void ex_wincmd __ARGS((exarg_T *eap));
287 #else
288 # define ex_wincmd ex_ni
289 #endif
290 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
291 static void ex_winpos __ARGS((exarg_T *eap));
292 #else
293 # define ex_winpos ex_ni
294 #endif
295 static void ex_operators __ARGS((exarg_T *eap));
296 static void ex_put __ARGS((exarg_T *eap));
297 static void ex_copymove __ARGS((exarg_T *eap));
298 static void ex_may_print __ARGS((exarg_T *eap));
299 static void ex_submagic __ARGS((exarg_T *eap));
300 static void ex_join __ARGS((exarg_T *eap));
301 static void ex_at __ARGS((exarg_T *eap));
302 static void ex_bang __ARGS((exarg_T *eap));
303 static void ex_undo __ARGS((exarg_T *eap));
304 static void ex_redo __ARGS((exarg_T *eap));
305 static void ex_later __ARGS((exarg_T *eap));
306 static void ex_redir __ARGS((exarg_T *eap));
307 static void ex_redraw __ARGS((exarg_T *eap));
308 static void ex_redrawstatus __ARGS((exarg_T *eap));
309 static void close_redir __ARGS((void));
310 static void ex_mkrc __ARGS((exarg_T *eap));
311 static void ex_mark __ARGS((exarg_T *eap));
312 #ifdef FEAT_USR_CMDS
313 static char_u *uc_fun_cmd __ARGS((void));
314 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
315 #endif
316 #ifdef FEAT_EX_EXTRA
317 static void ex_normal __ARGS((exarg_T *eap));
318 static void ex_startinsert __ARGS((exarg_T *eap));
319 static void ex_stopinsert __ARGS((exarg_T *eap));
320 #else
321 # define ex_normal ex_ni
322 # define ex_align ex_ni
323 # define ex_retab ex_ni
324 # define ex_startinsert ex_ni
325 # define ex_stopinsert ex_ni
326 # define ex_helptags ex_ni
327 # define ex_sort ex_ni
328 #endif
329 #ifdef FEAT_FIND_ID
330 static void ex_checkpath __ARGS((exarg_T *eap));
331 static void ex_findpat __ARGS((exarg_T *eap));
332 #else
333 # define ex_findpat ex_ni
334 # define ex_checkpath ex_ni
335 #endif
336 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
337 static void ex_psearch __ARGS((exarg_T *eap));
338 #else
339 # define ex_psearch ex_ni
340 #endif
341 static void ex_tag __ARGS((exarg_T *eap));
342 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
343 #ifndef FEAT_EVAL
344 # define ex_scriptnames ex_ni
345 # define ex_finish ex_ni
346 # define ex_echo ex_ni
347 # define ex_echohl ex_ni
348 # define ex_execute ex_ni
349 # define ex_call ex_ni
350 # define ex_if ex_ni
351 # define ex_endif ex_ni
352 # define ex_else ex_ni
353 # define ex_while ex_ni
354 # define ex_for ex_ni
355 # define ex_continue ex_ni
356 # define ex_break ex_ni
357 # define ex_endwhile ex_ni
358 # define ex_endfor ex_ni
359 # define ex_throw ex_ni
360 # define ex_try ex_ni
361 # define ex_catch ex_ni
362 # define ex_finally ex_ni
363 # define ex_endtry ex_ni
364 # define ex_endfunction ex_ni
365 # define ex_let ex_ni
366 # define ex_unlet ex_ni
367 # define ex_lockvar ex_ni
368 # define ex_unlockvar ex_ni
369 # define ex_function ex_ni
370 # define ex_delfunction ex_ni
371 # define ex_return ex_ni
372 #endif
373 static char_u *arg_all __ARGS((void));
374 #ifdef FEAT_SESSION
375 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
376 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
377 static void ex_loadview __ARGS((exarg_T *eap));
378 static char_u *get_view_file __ARGS((int c));
379 static int did_lcd; /* whether ":lcd" was produced for a session */
380 #else
381 # define ex_loadview ex_ni
382 #endif
383 #ifndef FEAT_EVAL
384 # define ex_compiler ex_ni
385 #endif
386 #ifdef FEAT_VIMINFO
387 static void ex_viminfo __ARGS((exarg_T *eap));
388 #else
389 # define ex_viminfo ex_ni
390 #endif
391 static void ex_behave __ARGS((exarg_T *eap));
392 #ifdef FEAT_AUTOCMD
393 static void ex_filetype __ARGS((exarg_T *eap));
394 static void ex_setfiletype __ARGS((exarg_T *eap));
395 #else
396 # define ex_filetype ex_ni
397 # define ex_setfiletype ex_ni
398 #endif
399 #ifndef FEAT_DIFF
400 # define ex_diffoff ex_ni
401 # define ex_diffpatch ex_ni
402 # define ex_diffgetput ex_ni
403 # define ex_diffsplit ex_ni
404 # define ex_diffthis ex_ni
405 # define ex_diffupdate ex_ni
406 #endif
407 static void ex_digraphs __ARGS((exarg_T *eap));
408 static void ex_set __ARGS((exarg_T *eap));
409 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
410 # define ex_options ex_ni
411 #endif
412 #ifdef FEAT_SEARCH_EXTRA
413 static void ex_nohlsearch __ARGS((exarg_T *eap));
414 static void ex_match __ARGS((exarg_T *eap));
415 #else
416 # define ex_nohlsearch ex_ni
417 # define ex_match ex_ni
418 #endif
419 #ifdef FEAT_CRYPT
420 static void ex_X __ARGS((exarg_T *eap));
421 #else
422 # define ex_X ex_ni
423 #endif
424 #ifdef FEAT_FOLDING
425 static void ex_fold __ARGS((exarg_T *eap));
426 static void ex_foldopen __ARGS((exarg_T *eap));
427 static void ex_folddo __ARGS((exarg_T *eap));
428 #else
429 # define ex_fold ex_ni
430 # define ex_foldopen ex_ni
431 # define ex_folddo ex_ni
432 #endif
433 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
434 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
435 # define ex_language ex_ni
436 #endif
437 #ifndef FEAT_SIGNS
438 # define ex_sign ex_ni
439 #endif
440 #ifndef FEAT_SUN_WORKSHOP
441 # define ex_wsverb ex_ni
442 #endif
443 #ifndef FEAT_NETBEANS_INTG
444 # define ex_nbkey ex_ni
445 #endif
446
447 #ifndef FEAT_EVAL
448 # define ex_debug ex_ni
449 # define ex_breakadd ex_ni
450 # define ex_debuggreedy ex_ni
451 # define ex_breakdel ex_ni
452 # define ex_breaklist ex_ni
453 #endif
454
455 #ifndef FEAT_CMDHIST
456 # define ex_history ex_ni
457 #endif
458 #ifndef FEAT_JUMPLIST
459 # define ex_jumps ex_ni
460 # define ex_changes ex_ni
461 #endif
462
463 #ifndef FEAT_PROFILE
464 # define ex_profile ex_ni
465 #endif
466
467 #ifndef FEAT_GUI_MACVIM
468 # define ex_macaction ex_ni
469 # define ex_macmenu ex_ni
470 #endif
471
472 /*
473 * Declare cmdnames[].
474 */
475 #define DO_DECLARE_EXCMD
476 #include "ex_cmds.h"
477
478 /*
479 * Table used to quickly search for a command, based on its first character.
480 */
481 static cmdidx_T cmdidxs[27] =
482 {
483 CMD_append,
484 CMD_buffer,
485 CMD_change,
486 CMD_delete,
487 CMD_edit,
488 CMD_file,
489 CMD_global,
490 CMD_help,
491 CMD_insert,
492 CMD_join,
493 CMD_k,
494 CMD_list,
495 CMD_move,
496 CMD_next,
497 CMD_open,
498 CMD_print,
499 CMD_quit,
500 CMD_read,
501 CMD_substitute,
502 CMD_t,
503 CMD_undo,
504 CMD_vglobal,
505 CMD_write,
506 CMD_xit,
507 CMD_yank,
508 CMD_z,
509 CMD_bang
510 };
511
512 static char_u dollar_command[2] = {'$', 0};
513
514
515 #ifdef FEAT_EVAL
516 /* Struct for storing a line inside a while/for loop */
517 typedef struct
518 {
519 char_u *line; /* command line */
520 linenr_T lnum; /* sourcing_lnum of the line */
521 } wcmd_T;
522
523 /*
524 * Structure used to store info for line position in a while or for loop.
525 * This is required, because do_one_cmd() may invoke ex_function(), which
526 * reads more lines that may come from the while/for loop.
527 */
528 struct loop_cookie
529 {
530 garray_T *lines_gap; /* growarray with line info */
531 int current_line; /* last read line from growarray */
532 int repeating; /* TRUE when looping a second time */
533 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
534 char_u *(*getline) __ARGS((int, void *, int));
535 void *cookie;
536 };
537
538 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
539 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
540 static void free_cmdlines __ARGS((garray_T *gap));
541
542 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
543 struct dbg_stuff
544 {
545 int trylevel;
546 int force_abort;
547 except_T *caught_stack;
548 char_u *vv_exception;
549 char_u *vv_throwpoint;
550 int did_emsg;
551 int got_int;
552 int did_throw;
553 int need_rethrow;
554 int check_cstack;
555 except_T *current_exception;
556 };
557
558 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
559 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
560
561 static void
562 save_dbg_stuff(dsp)
563 struct dbg_stuff *dsp;
564 {
565 dsp->trylevel = trylevel; trylevel = 0;
566 dsp->force_abort = force_abort; force_abort = FALSE;
567 dsp->caught_stack = caught_stack; caught_stack = NULL;
568 dsp->vv_exception = v_exception(NULL);
569 dsp->vv_throwpoint = v_throwpoint(NULL);
570
571 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
572 dsp->did_emsg = did_emsg; did_emsg = FALSE;
573 dsp->got_int = got_int; got_int = FALSE;
574 dsp->did_throw = did_throw; did_throw = FALSE;
575 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
576 dsp->check_cstack = check_cstack; check_cstack = FALSE;
577 dsp->current_exception = current_exception; current_exception = NULL;
578 }
579
580 static void
581 restore_dbg_stuff(dsp)
582 struct dbg_stuff *dsp;
583 {
584 suppress_errthrow = FALSE;
585 trylevel = dsp->trylevel;
586 force_abort = dsp->force_abort;
587 caught_stack = dsp->caught_stack;
588 (void)v_exception(dsp->vv_exception);
589 (void)v_throwpoint(dsp->vv_throwpoint);
590 did_emsg = dsp->did_emsg;
591 got_int = dsp->got_int;
592 did_throw = dsp->did_throw;
593 need_rethrow = dsp->need_rethrow;
594 check_cstack = dsp->check_cstack;
595 current_exception = dsp->current_exception;
596 }
597 #endif
598
599
600 /*
601 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
602 * command is given.
603 */
604 void
605 do_exmode(improved)
606 int improved; /* TRUE for "improved Ex" mode */
607 {
608 int save_msg_scroll;
609 int prev_msg_row;
610 linenr_T prev_line;
611 int changedtick;
612
613 if (improved)
614 exmode_active = EXMODE_VIM;
615 else
616 exmode_active = EXMODE_NORMAL;
617 State = NORMAL;
618
619 /* When using ":global /pat/ visual" and then "Q" we return to continue
620 * the :global command. */
621 if (global_busy)
622 return;
623
624 save_msg_scroll = msg_scroll;
625 ++RedrawingDisabled; /* don't redisplay the window */
626 ++no_wait_return; /* don't wait for return */
627 #ifdef FEAT_GUI
628 /* Ignore scrollbar and mouse events in Ex mode */
629 ++hold_gui_events;
630 #endif
631 #ifdef FEAT_SNIFF
632 want_sniff_request = 0; /* No K_SNIFF wanted */
633 #endif
634
635 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
636 while (exmode_active)
637 {
638 #ifdef FEAT_EX_EXTRA
639 /* Check for a ":normal" command and no more characters left. */
640 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
641 {
642 exmode_active = FALSE;
643 break;
644 }
645 #endif
646 msg_scroll = TRUE;
647 need_wait_return = FALSE;
648 ex_pressedreturn = FALSE;
649 ex_no_reprint = FALSE;
650 changedtick = curbuf->b_changedtick;
651 prev_msg_row = msg_row;
652 prev_line = curwin->w_cursor.lnum;
653 #ifdef FEAT_SNIFF
654 ProcessSniffRequests();
655 #endif
656 if (improved)
657 {
658 cmdline_row = msg_row;
659 do_cmdline(NULL, getexline, NULL, 0);
660 }
661 else
662 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
663 lines_left = Rows - 1;
664
665 if ((prev_line != curwin->w_cursor.lnum
666 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
667 {
668 if (curbuf->b_ml.ml_flags & ML_EMPTY)
669 EMSG(_(e_emptybuf));
670 else
671 {
672 if (ex_pressedreturn)
673 {
674 /* go up one line, to overwrite the ":<CR>" line, so the
675 * output doesn't contain empty lines. */
676 msg_row = prev_msg_row;
677 if (prev_msg_row == Rows - 1)
678 msg_row--;
679 }
680 msg_col = 0;
681 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
682 msg_clr_eos();
683 }
684 }
685 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
686 {
687 if (curbuf->b_ml.ml_flags & ML_EMPTY)
688 EMSG(_(e_emptybuf));
689 else
690 EMSG(_("E501: At end-of-file"));
691 }
692 }
693
694 #ifdef FEAT_GUI
695 --hold_gui_events;
696 #endif
697 --RedrawingDisabled;
698 --no_wait_return;
699 update_screen(CLEAR);
700 need_wait_return = FALSE;
701 msg_scroll = save_msg_scroll;
702 }
703
704 /*
705 * Execute a simple command line. Used for translated commands like "*".
706 */
707 int
708 do_cmdline_cmd(cmd)
709 char_u *cmd;
710 {
711 return do_cmdline(cmd, NULL, NULL,
712 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
713 }
714
715 /*
716 * do_cmdline(): execute one Ex command line
717 *
718 * 1. Execute "cmdline" when it is not NULL.
719 * If "cmdline" is NULL, or more lines are needed, getline() is used.
720 * 2. Split up in parts separated with '|'.
721 *
722 * This function can be called recursively!
723 *
724 * flags:
725 * DOCMD_VERBOSE - The command will be included in the error message.
726 * DOCMD_NOWAIT - Don't call wait_return() and friends.
727 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
728 * DOCMD_KEYTYPED - Don't reset KeyTyped.
729 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
730 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
731 *
732 * return FAIL if cmdline could not be executed, OK otherwise
733 */
734 int
735 do_cmdline(cmdline, getline, cookie, flags)
736 char_u *cmdline;
737 char_u *(*getline) __ARGS((int, void *, int));
738 void *cookie; /* argument for getline() */
739 int flags;
740 {
741 char_u *next_cmdline; /* next cmd to execute */
742 char_u *cmdline_copy = NULL; /* copy of cmd line */
743 int used_getline = FALSE; /* used "getline" to obtain command */
744 static int recursive = 0; /* recursive depth */
745 int msg_didout_before_start = 0;
746 int count = 0; /* line number count */
747 int did_inc = FALSE; /* incremented RedrawingDisabled */
748 int retval = OK;
749 #ifdef FEAT_EVAL
750 struct condstack cstack; /* conditional stack */
751 garray_T lines_ga; /* keep lines for ":while"/":for" */
752 int current_line = 0; /* active line in lines_ga */
753 char_u *fname = NULL; /* function or script name */
754 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
755 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
756 struct dbg_stuff debug_saved; /* saved things for debug mode */
757 int initial_trylevel;
758 struct msglist **saved_msg_list = NULL;
759 struct msglist *private_msg_list;
760
761 /* "getline" and "cookie" passed to do_one_cmd() */
762 char_u *(*cmd_getline) __ARGS((int, void *, int));
763 void *cmd_cookie;
764 struct loop_cookie cmd_loop_cookie;
765 void *real_cookie;
766 int getline_is_func;
767 #else
768 # define cmd_getline getline
769 # define cmd_cookie cookie
770 #endif
771 static int call_depth = 0; /* recursiveness */
772
773 #ifdef FEAT_EVAL
774 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
775 * location for storing error messages to be converted to an exception.
776 * This ensures that the do_errthrow() call in do_one_cmd() does not
777 * combine the messages stored by an earlier invocation of do_one_cmd()
778 * with the command name of the later one. This would happen when
779 * BufWritePost autocommands are executed after a write error. */
780 saved_msg_list = msg_list;
781 msg_list = &private_msg_list;
782 private_msg_list = NULL;
783 #endif
784
785 /* It's possible to create an endless loop with ":execute", catch that
786 * here. The value of 200 allows nested function calls, ":source", etc. */
787 if (call_depth == 200)
788 {
789 EMSG(_("E169: Command too recursive"));
790 #ifdef FEAT_EVAL
791 /* When converting to an exception, we do not include the command name
792 * since this is not an error of the specific command. */
793 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
794 msg_list = saved_msg_list;
795 #endif
796 return FAIL;
797 }
798 ++call_depth;
799
800 #ifdef FEAT_EVAL
801 cstack.cs_idx = -1;
802 cstack.cs_looplevel = 0;
803 cstack.cs_trylevel = 0;
804 cstack.cs_emsg_silent_list = NULL;
805 cstack.cs_lflags = 0;
806 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
807
808 real_cookie = getline_cookie(getline, cookie);
809
810 /* Inside a function use a higher nesting level. */
811 getline_is_func = getline_equal(getline, cookie, get_func_line);
812 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
813 ++ex_nesting_level;
814
815 /* Get the function or script name and the address where the next breakpoint
816 * line and the debug tick for a function or script are stored. */
817 if (getline_is_func)
818 {
819 fname = func_name(real_cookie);
820 breakpoint = func_breakpoint(real_cookie);
821 dbg_tick = func_dbg_tick(real_cookie);
822 }
823 else if (getline_equal(getline, cookie, getsourceline))
824 {
825 fname = sourcing_name;
826 breakpoint = source_breakpoint(real_cookie);
827 dbg_tick = source_dbg_tick(real_cookie);
828 }
829
830 /*
831 * Initialize "force_abort" and "suppress_errthrow" at the top level.
832 */
833 if (!recursive)
834 {
835 force_abort = FALSE;
836 suppress_errthrow = FALSE;
837 }
838
839 /*
840 * If requested, store and reset the global values controlling the
841 * exception handling (used when debugging). Otherwise clear it to avoid
842 * a bogus compiler warning when the optimizer uses inline functions...
843 */
844 if (flags & DOCMD_EXCRESET)
845 save_dbg_stuff(&debug_saved);
846 else
847 memset(&debug_saved, 0, 1);
848
849 initial_trylevel = trylevel;
850
851 /*
852 * "did_throw" will be set to TRUE when an exception is being thrown.
853 */
854 did_throw = FALSE;
855 #endif
856 /*
857 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
858 * cancel the whole command line, and any if/endif or loop.
859 * If force_abort is set, we cancel everything.
860 */
861 did_emsg = FALSE;
862
863 /*
864 * KeyTyped is only set when calling vgetc(). Reset it here when not
865 * calling vgetc() (sourced command lines).
866 */
867 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
868 KeyTyped = FALSE;
869
870 /*
871 * Continue executing command lines:
872 * - when inside an ":if", ":while" or ":for"
873 * - for multiple commands on one line, separated with '|'
874 * - when repeating until there are no more lines (for ":source")
875 */
876 next_cmdline = cmdline;
877 do
878 {
879 #ifdef FEAT_EVAL
880 getline_is_func = getline_equal(getline, cookie, get_func_line);
881 #endif
882
883 /* stop skipping cmds for an error msg after all endif/while/for */
884 if (next_cmdline == NULL
885 #ifdef FEAT_EVAL
886 && !force_abort
887 && cstack.cs_idx < 0
888 && !(getline_is_func && func_has_abort(real_cookie))
889 #endif
890 )
891 did_emsg = FALSE;
892
893 /*
894 * 1. If repeating a line in a loop, get a line from lines_ga.
895 * 2. If no line given: Get an allocated line with getline().
896 * 3. If a line is given: Make a copy, so we can mess with it.
897 */
898
899 #ifdef FEAT_EVAL
900 /* 1. If repeating, get a previous line from lines_ga. */
901 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
902 {
903 /* Each '|' separated command is stored separately in lines_ga, to
904 * be able to jump to it. Don't use next_cmdline now. */
905 vim_free(cmdline_copy);
906 cmdline_copy = NULL;
907
908 /* Check if a function has returned or, unless it has an unclosed
909 * try conditional, aborted. */
910 if (getline_is_func)
911 {
912 # ifdef FEAT_PROFILE
913 if (do_profiling == PROF_YES)
914 func_line_end(real_cookie);
915 # endif
916 if (func_has_ended(real_cookie))
917 {
918 retval = FAIL;
919 break;
920 }
921 }
922 #ifdef FEAT_PROFILE
923 else if (do_profiling == PROF_YES
924 && getline_equal(getline, cookie, getsourceline))
925 script_line_end();
926 #endif
927
928 /* Check if a sourced file hit a ":finish" command. */
929 if (source_finished(getline, cookie))
930 {
931 retval = FAIL;
932 break;
933 }
934
935 /* If breakpoints have been added/deleted need to check for it. */
936 if (breakpoint != NULL && dbg_tick != NULL
937 && *dbg_tick != debug_tick)
938 {
939 *breakpoint = dbg_find_breakpoint(
940 getline_equal(getline, cookie, getsourceline),
941 fname, sourcing_lnum);
942 *dbg_tick = debug_tick;
943 }
944
945 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
946 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
947
948 /* Did we encounter a breakpoint? */
949 if (breakpoint != NULL && *breakpoint != 0
950 && *breakpoint <= sourcing_lnum)
951 {
952 dbg_breakpoint(fname, sourcing_lnum);
953 /* Find next breakpoint. */
954 *breakpoint = dbg_find_breakpoint(
955 getline_equal(getline, cookie, getsourceline),
956 fname, sourcing_lnum);
957 *dbg_tick = debug_tick;
958 }
959 # ifdef FEAT_PROFILE
960 if (do_profiling == PROF_YES)
961 {
962 if (getline_is_func)
963 func_line_start(real_cookie);
964 else if (getline_equal(getline, cookie, getsourceline))
965 script_line_start();
966 }
967 # endif
968 }
969
970 if (cstack.cs_looplevel > 0)
971 {
972 /* Inside a while/for loop we need to store the lines and use them
973 * again. Pass a different "getline" function to do_one_cmd()
974 * below, so that it stores lines in or reads them from
975 * "lines_ga". Makes it possible to define a function inside a
976 * while/for loop. */
977 cmd_getline = get_loop_line;
978 cmd_cookie = (void *)&cmd_loop_cookie;
979 cmd_loop_cookie.lines_gap = &lines_ga;
980 cmd_loop_cookie.current_line = current_line;
981 cmd_loop_cookie.getline = getline;
982 cmd_loop_cookie.cookie = cookie;
983 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
984 }
985 else
986 {
987 cmd_getline = getline;
988 cmd_cookie = cookie;
989 }
990 #endif
991
992 /* 2. If no line given, get an allocated line with getline(). */
993 if (next_cmdline == NULL)
994 {
995 /*
996 * Need to set msg_didout for the first line after an ":if",
997 * otherwise the ":if" will be overwritten.
998 */
999 if (count == 1 && getline_equal(getline, cookie, getexline))
1000 msg_didout = TRUE;
1001 if (getline == NULL || (next_cmdline = getline(':', cookie,
1002 #ifdef FEAT_EVAL
1003 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1004 #else
1005 0
1006 #endif
1007 )) == NULL)
1008 {
1009 /* Don't call wait_return for aborted command line. The NULL
1010 * returned for the end of a sourced file or executed function
1011 * doesn't do this. */
1012 if (KeyTyped && !(flags & DOCMD_REPEAT))
1013 need_wait_return = FALSE;
1014 retval = FAIL;
1015 break;
1016 }
1017 used_getline = TRUE;
1018
1019 /*
1020 * Keep the first typed line. Clear it when more lines are typed.
1021 */
1022 if (flags & DOCMD_KEEPLINE)
1023 {
1024 vim_free(repeat_cmdline);
1025 if (count == 0)
1026 repeat_cmdline = vim_strsave(next_cmdline);
1027 else
1028 repeat_cmdline = NULL;
1029 }
1030 }
1031
1032 /* 3. Make a copy of the command so we can mess with it. */
1033 else if (cmdline_copy == NULL)
1034 {
1035 next_cmdline = vim_strsave(next_cmdline);
1036 if (next_cmdline == NULL)
1037 {
1038 EMSG(_(e_outofmem));
1039 retval = FAIL;
1040 break;
1041 }
1042 }
1043 cmdline_copy = next_cmdline;
1044
1045 #ifdef FEAT_EVAL
1046 /*
1047 * Save the current line when inside a ":while" or ":for", and when
1048 * the command looks like a ":while" or ":for", because we may need it
1049 * later. When there is a '|' and another command, it is stored
1050 * separately, because we need to be able to jump back to it from an
1051 * :endwhile/:endfor.
1052 */
1053 if (current_line == lines_ga.ga_len
1054 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1055 {
1056 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1057 {
1058 retval = FAIL;
1059 break;
1060 }
1061 }
1062 did_endif = FALSE;
1063 #endif
1064
1065 if (count++ == 0)
1066 {
1067 /*
1068 * All output from the commands is put below each other, without
1069 * waiting for a return. Don't do this when executing commands
1070 * from a script or when being called recursive (e.g. for ":e
1071 * +command file").
1072 */
1073 if (!(flags & DOCMD_NOWAIT) && !recursive)
1074 {
1075 msg_didout_before_start = msg_didout;
1076 msg_didany = FALSE; /* no output yet */
1077 msg_start();
1078 msg_scroll = TRUE; /* put messages below each other */
1079 ++no_wait_return; /* dont wait for return until finished */
1080 ++RedrawingDisabled;
1081 did_inc = TRUE;
1082 }
1083 }
1084
1085 if (p_verbose >= 15 && sourcing_name != NULL)
1086 {
1087 ++no_wait_return;
1088 verbose_enter_scroll();
1089
1090 smsg((char_u *)_("line %ld: %s"),
1091 (long)sourcing_lnum, cmdline_copy);
1092 if (msg_silent == 0)
1093 msg_puts((char_u *)"\n"); /* don't overwrite this */
1094
1095 verbose_leave_scroll();
1096 --no_wait_return;
1097 }
1098
1099 /*
1100 * 2. Execute one '|' separated command.
1101 * do_one_cmd() will return NULL if there is no trailing '|'.
1102 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1103 */
1104 ++recursive;
1105 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1106 #ifdef FEAT_EVAL
1107 &cstack,
1108 #endif
1109 cmd_getline, cmd_cookie);
1110 --recursive;
1111
1112 #ifdef FEAT_EVAL
1113 if (cmd_cookie == (void *)&cmd_loop_cookie)
1114 /* Use "current_line" from "cmd_loop_cookie", it may have been
1115 * incremented when defining a function. */
1116 current_line = cmd_loop_cookie.current_line;
1117 #endif
1118
1119 if (next_cmdline == NULL)
1120 {
1121 vim_free(cmdline_copy);
1122 cmdline_copy = NULL;
1123 #ifdef FEAT_CMDHIST
1124 /*
1125 * If the command was typed, remember it for the ':' register.
1126 * Do this AFTER executing the command to make :@: work.
1127 */
1128 if (getline_equal(getline, cookie, getexline)
1129 && new_last_cmdline != NULL)
1130 {
1131 vim_free(last_cmdline);
1132 last_cmdline = new_last_cmdline;
1133 new_last_cmdline = NULL;
1134 }
1135 #endif
1136 }
1137 else
1138 {
1139 /* need to copy the command after the '|' to cmdline_copy, for the
1140 * next do_one_cmd() */
1141 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
1142 next_cmdline = cmdline_copy;
1143 }
1144
1145
1146 #ifdef FEAT_EVAL
1147 /* reset did_emsg for a function that is not aborted by an error */
1148 if (did_emsg && !force_abort
1149 && getline_equal(getline, cookie, get_func_line)
1150 && !func_has_abort(real_cookie))
1151 did_emsg = FALSE;
1152
1153 if (cstack.cs_looplevel > 0)
1154 {
1155 ++current_line;
1156
1157 /*
1158 * An ":endwhile", ":endfor" and ":continue" is handled here.
1159 * If we were executing commands, jump back to the ":while" or
1160 * ":for".
1161 * If we were not executing commands, decrement cs_looplevel.
1162 */
1163 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1164 {
1165 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1166
1167 /* Jump back to the matching ":while" or ":for". Be careful
1168 * not to use a cs_line[] from an entry that isn't a ":while"
1169 * or ":for": It would make "current_line" invalid and can
1170 * cause a crash. */
1171 if (!did_emsg && !got_int && !did_throw
1172 && cstack.cs_idx >= 0
1173 && (cstack.cs_flags[cstack.cs_idx]
1174 & (CSF_WHILE | CSF_FOR))
1175 && cstack.cs_line[cstack.cs_idx] >= 0
1176 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1177 {
1178 current_line = cstack.cs_line[cstack.cs_idx];
1179 /* remember we jumped there */
1180 cstack.cs_lflags |= CSL_HAD_LOOP;
1181 line_breakcheck(); /* check if CTRL-C typed */
1182
1183 /* Check for the next breakpoint at or after the ":while"
1184 * or ":for". */
1185 if (breakpoint != NULL)
1186 {
1187 *breakpoint = dbg_find_breakpoint(
1188 getline_equal(getline, cookie, getsourceline),
1189 fname,
1190 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1191 *dbg_tick = debug_tick;
1192 }
1193 }
1194 else
1195 {
1196 /* can only get here with ":endwhile" or ":endfor" */
1197 if (cstack.cs_idx >= 0)
1198 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1199 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1200 }
1201 }
1202
1203 /*
1204 * For a ":while" or ":for" we need to remember the line number.
1205 */
1206 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1207 {
1208 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1209 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1210 }
1211 }
1212
1213 /*
1214 * When not inside any ":while" loop, clear remembered lines.
1215 */
1216 if (cstack.cs_looplevel == 0)
1217 {
1218 if (lines_ga.ga_len > 0)
1219 {
1220 sourcing_lnum =
1221 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1222 free_cmdlines(&lines_ga);
1223 }
1224 current_line = 0;
1225 }
1226
1227 /*
1228 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1229 * being restored at the ":endtry". Reset them here and set the
1230 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1231 * This includes the case where a missing ":endif", ":endwhile" or
1232 * ":endfor" was detected by the ":finally" itself.
1233 */
1234 if (cstack.cs_lflags & CSL_HAD_FINA)
1235 {
1236 cstack.cs_lflags &= ~CSL_HAD_FINA;
1237 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1238 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1239 did_throw ? (void *)current_exception : NULL);
1240 did_emsg = got_int = did_throw = FALSE;
1241 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1242 }
1243
1244 /* Update global "trylevel" for recursive calls to do_cmdline() from
1245 * within this loop. */
1246 trylevel = initial_trylevel + cstack.cs_trylevel;
1247
1248 /*
1249 * If the outermost try conditional (across function calls and sourced
1250 * files) is aborted because of an error, an interrupt, or an uncaught
1251 * exception, cancel everything. If it is left normally, reset
1252 * force_abort to get the non-EH compatible abortion behavior for
1253 * the rest of the script.
1254 */
1255 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1256 force_abort = FALSE;
1257
1258 /* Convert an interrupt to an exception if appropriate. */
1259 (void)do_intthrow(&cstack);
1260 #endif /* FEAT_EVAL */
1261
1262 }
1263 /*
1264 * Continue executing command lines when:
1265 * - no CTRL-C typed, no aborting error, no exception thrown or try
1266 * conditionals need to be checked for executing finally clauses or
1267 * catching an interrupt exception
1268 * - didn't get an error message or lines are not typed
1269 * - there is a command after '|', inside a :if, :while, :for or :try, or
1270 * looping for ":source" command or function call.
1271 */
1272 while (!((got_int
1273 #ifdef FEAT_EVAL
1274 || (did_emsg && force_abort) || did_throw
1275 #endif
1276 )
1277 #ifdef FEAT_EVAL
1278 && cstack.cs_trylevel == 0
1279 #endif
1280 )
1281 && !(did_emsg && used_getline
1282 && (getline_equal(getline, cookie, getexmodeline)
1283 || getline_equal(getline, cookie, getexline)))
1284 && (next_cmdline != NULL
1285 #ifdef FEAT_EVAL
1286 || cstack.cs_idx >= 0
1287 #endif
1288 || (flags & DOCMD_REPEAT)));
1289
1290 vim_free(cmdline_copy);
1291 #ifdef FEAT_EVAL
1292 free_cmdlines(&lines_ga);
1293 ga_clear(&lines_ga);
1294
1295 if (cstack.cs_idx >= 0)
1296 {
1297 /*
1298 * If a sourced file or executed function ran to its end, report the
1299 * unclosed conditional.
1300 */
1301 if (!got_int && !did_throw
1302 && ((getline_equal(getline, cookie, getsourceline)
1303 && !source_finished(getline, cookie))
1304 || (getline_equal(getline, cookie, get_func_line)
1305 && !func_has_ended(real_cookie))))
1306 {
1307 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1308 EMSG(_(e_endtry));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1310 EMSG(_(e_endwhile));
1311 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1312 EMSG(_(e_endfor));
1313 else
1314 EMSG(_(e_endif));
1315 }
1316
1317 /*
1318 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1319 * ":endtry" in a sourced file or executed function. If the try
1320 * conditional is in its finally clause, ignore anything pending.
1321 * If it is in a catch clause, finish the caught exception.
1322 * Also cleanup any "cs_forinfo" structures.
1323 */
1324 do
1325 {
1326 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1327
1328 if (idx >= 0)
1329 --idx; /* remove try block not in its finally clause */
1330 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1331 &cstack.cs_looplevel);
1332 }
1333 while (cstack.cs_idx >= 0);
1334 trylevel = initial_trylevel;
1335 }
1336
1337 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1338 * lack was reported above and the error message is to be converted to an
1339 * exception, do this now after rewinding the cstack. */
1340 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1341 ? (char_u *)"endfunction" : (char_u *)NULL);
1342
1343 if (trylevel == 0)
1344 {
1345 /*
1346 * When an exception is being thrown out of the outermost try
1347 * conditional, discard the uncaught exception, disable the conversion
1348 * of interrupts or errors to exceptions, and ensure that no more
1349 * commands are executed.
1350 */
1351 if (did_throw)
1352 {
1353 void *p = NULL;
1354 char_u *saved_sourcing_name;
1355 int saved_sourcing_lnum;
1356 struct msglist *messages = NULL, *next;
1357
1358 /*
1359 * If the uncaught exception is a user exception, report it as an
1360 * error. If it is an error exception, display the saved error
1361 * message now. For an interrupt exception, do nothing; the
1362 * interrupt message is given elsewhere.
1363 */
1364 switch (current_exception->type)
1365 {
1366 case ET_USER:
1367 vim_snprintf((char *)IObuff, IOSIZE,
1368 _("E605: Exception not caught: %s"),
1369 current_exception->value);
1370 p = vim_strsave(IObuff);
1371 break;
1372 case ET_ERROR:
1373 messages = current_exception->messages;
1374 current_exception->messages = NULL;
1375 break;
1376 case ET_INTERRUPT:
1377 break;
1378 default:
1379 p = vim_strsave((char_u *)_(e_internal));
1380 }
1381
1382 saved_sourcing_name = sourcing_name;
1383 saved_sourcing_lnum = sourcing_lnum;
1384 sourcing_name = current_exception->throw_name;
1385 sourcing_lnum = current_exception->throw_lnum;
1386 current_exception->throw_name = NULL;
1387
1388 discard_current_exception(); /* uses IObuff if 'verbose' */
1389 suppress_errthrow = TRUE;
1390 force_abort = TRUE;
1391
1392 if (messages != NULL)
1393 {
1394 do
1395 {
1396 next = messages->next;
1397 emsg(messages->msg);
1398 vim_free(messages->msg);
1399 vim_free(messages);
1400 messages = next;
1401 }
1402 while (messages != NULL);
1403 }
1404 else if (p != NULL)
1405 {
1406 emsg(p);
1407 vim_free(p);
1408 }
1409 vim_free(sourcing_name);
1410 sourcing_name = saved_sourcing_name;
1411 sourcing_lnum = saved_sourcing_lnum;
1412 }
1413
1414 /*
1415 * On an interrupt or an aborting error not converted to an exception,
1416 * disable the conversion of errors to exceptions. (Interrupts are not
1417 * converted any more, here.) This enables also the interrupt message
1418 * when force_abort is set and did_emsg unset in case of an interrupt
1419 * from a finally clause after an error.
1420 */
1421 else if (got_int || (did_emsg && force_abort))
1422 suppress_errthrow = TRUE;
1423 }
1424
1425 /*
1426 * The current cstack will be freed when do_cmdline() returns. An uncaught
1427 * exception will have to be rethrown in the previous cstack. If a function
1428 * has just returned or a script file was just finished and the previous
1429 * cstack belongs to the same function or, respectively, script file, it
1430 * will have to be checked for finally clauses to be executed due to the
1431 * ":return" or ":finish". This is done in do_one_cmd().
1432 */
1433 if (did_throw)
1434 need_rethrow = TRUE;
1435 if ((getline_equal(getline, cookie, getsourceline)
1436 && ex_nesting_level > source_level(real_cookie))
1437 || (getline_equal(getline, cookie, get_func_line)
1438 && ex_nesting_level > func_level(real_cookie) + 1))
1439 {
1440 if (!did_throw)
1441 check_cstack = TRUE;
1442 }
1443 else
1444 {
1445 /* When leaving a function, reduce nesting level. */
1446 if (getline_equal(getline, cookie, get_func_line))
1447 --ex_nesting_level;
1448 /*
1449 * Go to debug mode when returning from a function in which we are
1450 * single-stepping.
1451 */
1452 if ((getline_equal(getline, cookie, getsourceline)
1453 || getline_equal(getline, cookie, get_func_line))
1454 && ex_nesting_level + 1 <= debug_break_level)
1455 do_debug(getline_equal(getline, cookie, getsourceline)
1456 ? (char_u *)_("End of sourced file")
1457 : (char_u *)_("End of function"));
1458 }
1459
1460 /*
1461 * Restore the exception environment (done after returning from the
1462 * debugger).
1463 */
1464 if (flags & DOCMD_EXCRESET)
1465 restore_dbg_stuff(&debug_saved);
1466
1467 msg_list = saved_msg_list;
1468 #endif /* FEAT_EVAL */
1469
1470 /*
1471 * If there was too much output to fit on the command line, ask the user to
1472 * hit return before redrawing the screen. With the ":global" command we do
1473 * this only once after the command is finished.
1474 */
1475 if (did_inc)
1476 {
1477 --RedrawingDisabled;
1478 --no_wait_return;
1479 msg_scroll = FALSE;
1480
1481 /*
1482 * When just finished an ":if"-":else" which was typed, no need to
1483 * wait for hit-return. Also for an error situation.
1484 */
1485 if (retval == FAIL
1486 #ifdef FEAT_EVAL
1487 || (did_endif && KeyTyped && !did_emsg)
1488 #endif
1489 )
1490 {
1491 need_wait_return = FALSE;
1492 msg_didany = FALSE; /* don't wait when restarting edit */
1493 }
1494 else if (need_wait_return)
1495 {
1496 /*
1497 * The msg_start() above clears msg_didout. The wait_return we do
1498 * here should not overwrite the command that may be shown before
1499 * doing that.
1500 */
1501 msg_didout |= msg_didout_before_start;
1502 wait_return(FALSE);
1503 }
1504 }
1505
1506 #ifndef FEAT_EVAL
1507 /*
1508 * Reset if_level, in case a sourced script file contains more ":if" than
1509 * ":endif" (could be ":if x | foo | endif").
1510 */
1511 if_level = 0;
1512 #endif
1513
1514 --call_depth;
1515 return retval;
1516 }
1517
1518 #ifdef FEAT_EVAL
1519 /*
1520 * Obtain a line when inside a ":while" or ":for" loop.
1521 */
1522 static char_u *
1523 get_loop_line(c, cookie, indent)
1524 int c;
1525 void *cookie;
1526 int indent;
1527 {
1528 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1529 wcmd_T *wp;
1530 char_u *line;
1531
1532 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1533 {
1534 if (cp->repeating)
1535 return NULL; /* trying to read past ":endwhile"/":endfor" */
1536
1537 /* First time inside the ":while"/":for": get line normally. */
1538 if (cp->getline == NULL)
1539 line = getcmdline(c, 0L, indent);
1540 else
1541 line = cp->getline(c, cp->cookie, indent);
1542 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1543 ++cp->current_line;
1544
1545 return line;
1546 }
1547
1548 KeyTyped = FALSE;
1549 ++cp->current_line;
1550 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1551 sourcing_lnum = wp->lnum;
1552 return vim_strsave(wp->line);
1553 }
1554
1555 /*
1556 * Store a line in "gap" so that a ":while" loop can execute it again.
1557 */
1558 static int
1559 store_loop_line(gap, line)
1560 garray_T *gap;
1561 char_u *line;
1562 {
1563 if (ga_grow(gap, 1) == FAIL)
1564 return FAIL;
1565 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1566 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1567 ++gap->ga_len;
1568 return OK;
1569 }
1570
1571 /*
1572 * Free the lines stored for a ":while" or ":for" loop.
1573 */
1574 static void
1575 free_cmdlines(gap)
1576 garray_T *gap;
1577 {
1578 while (gap->ga_len > 0)
1579 {
1580 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1581 --gap->ga_len;
1582 }
1583 }
1584 #endif
1585
1586 /*
1587 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1588 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1589 */
1590 /*ARGSUSED*/
1591 int
1592 getline_equal(fgetline, cookie, func)
1593 char_u *(*fgetline) __ARGS((int, void *, int));
1594 void *cookie; /* argument for fgetline() */
1595 char_u *(*func) __ARGS((int, void *, int));
1596 {
1597 #ifdef FEAT_EVAL
1598 char_u *(*gp) __ARGS((int, void *, int));
1599 struct loop_cookie *cp;
1600
1601 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1602 * function that's originally used to obtain the lines. This may be
1603 * nested several levels. */
1604 gp = fgetline;
1605 cp = (struct loop_cookie *)cookie;
1606 while (gp == get_loop_line)
1607 {
1608 gp = cp->getline;
1609 cp = cp->cookie;
1610 }
1611 return gp == func;
1612 #else
1613 return fgetline == func;
1614 #endif
1615 }
1616
1617 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1618 /*
1619 * If "fgetline" is get_loop_line(), return the cookie used by the original
1620 * getline function. Otherwise return "cookie".
1621 */
1622 /*ARGSUSED*/
1623 void *
1624 getline_cookie(fgetline, cookie)
1625 char_u *(*fgetline) __ARGS((int, void *, int));
1626 void *cookie; /* argument for fgetline() */
1627 {
1628 # ifdef FEAT_EVAL
1629 char_u *(*gp) __ARGS((int, void *, int));
1630 struct loop_cookie *cp;
1631
1632 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1633 * cookie that's originally used to obtain the lines. This may be nested
1634 * several levels. */
1635 gp = fgetline;
1636 cp = (struct loop_cookie *)cookie;
1637 while (gp == get_loop_line)
1638 {
1639 gp = cp->getline;
1640 cp = cp->cookie;
1641 }
1642 return cp;
1643 # else
1644 return cookie;
1645 # endif
1646 }
1647 #endif
1648
1649 /*
1650 * Execute one Ex command.
1651 *
1652 * If 'sourcing' is TRUE, the command will be included in the error message.
1653 *
1654 * 1. skip comment lines and leading space
1655 * 2. handle command modifiers
1656 * 3. parse range
1657 * 4. parse command
1658 * 5. parse arguments
1659 * 6. switch on command name
1660 *
1661 * Note: "fgetline" can be NULL.
1662 *
1663 * This function may be called recursively!
1664 */
1665 #if (_MSC_VER == 1200)
1666 /*
1667 * Avoid optimisation bug in VC++ version 6.0
1668 */
1669 #pragma optimize( "g", off )
1670 #endif
1671 static char_u *
1672 do_one_cmd(cmdlinep, sourcing,
1673 #ifdef FEAT_EVAL
1674 cstack,
1675 #endif
1676 fgetline, cookie)
1677 char_u **cmdlinep;
1678 int sourcing;
1679 #ifdef FEAT_EVAL
1680 struct condstack *cstack;
1681 #endif
1682 char_u *(*fgetline) __ARGS((int, void *, int));
1683 void *cookie; /* argument for fgetline() */
1684 {
1685 char_u *p;
1686 linenr_T lnum;
1687 long n;
1688 char_u *errormsg = NULL; /* error message */
1689 exarg_T ea; /* Ex command arguments */
1690 long verbose_save = -1;
1691 int save_msg_scroll = 0;
1692 int did_silent = 0;
1693 int did_esilent = 0;
1694 #ifdef HAVE_SANDBOX
1695 int did_sandbox = FALSE;
1696 #endif
1697 cmdmod_T save_cmdmod;
1698 int ni; /* set when Not Implemented */
1699
1700 vim_memset(&ea, 0, sizeof(ea));
1701 ea.line1 = 1;
1702 ea.line2 = 1;
1703 #ifdef FEAT_EVAL
1704 ++ex_nesting_level;
1705 #endif
1706
1707 /* when not editing the last file :q has to be typed twice */
1708 if (quitmore
1709 #ifdef FEAT_EVAL
1710 /* avoid that a function call in 'statusline' does this */
1711 && !getline_equal(fgetline, cookie, get_func_line)
1712 #endif
1713 )
1714 --quitmore;
1715
1716 /*
1717 * Reset browse, confirm, etc.. They are restored when returning, for
1718 * recursive calls.
1719 */
1720 save_cmdmod = cmdmod;
1721 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1722
1723 /* "#!anything" is handled like a comment. */
1724 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1725 goto doend;
1726
1727 /*
1728 * Repeat until no more command modifiers are found.
1729 */
1730 ea.cmd = *cmdlinep;
1731 for (;;)
1732 {
1733 /*
1734 * 1. skip comment lines and leading white space and colons
1735 */
1736 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1737 ++ea.cmd;
1738
1739 /* in ex mode, an empty line works like :+ */
1740 if (*ea.cmd == NUL && exmode_active
1741 && (getline_equal(fgetline, cookie, getexmodeline)
1742 || getline_equal(fgetline, cookie, getexline))
1743 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1744 {
1745 ea.cmd = (char_u *)"+";
1746 ex_pressedreturn = TRUE;
1747 }
1748
1749 /* ignore comment and empty lines */
1750 if (*ea.cmd == '"')
1751 goto doend;
1752 if (*ea.cmd == NUL)
1753 {
1754 ex_pressedreturn = TRUE;
1755 goto doend;
1756 }
1757
1758 /*
1759 * 2. handle command modifiers.
1760 */
1761 p = ea.cmd;
1762 if (VIM_ISDIGIT(*ea.cmd))
1763 p = skipwhite(skipdigits(ea.cmd));
1764 switch (*p)
1765 {
1766 /* When adding an entry, also modify cmd_exists(). */
1767 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1768 break;
1769 #ifdef FEAT_WINDOWS
1770 cmdmod.split |= WSP_ABOVE;
1771 #endif
1772 continue;
1773
1774 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1775 {
1776 #ifdef FEAT_WINDOWS
1777 cmdmod.split |= WSP_BELOW;
1778 #endif
1779 continue;
1780 }
1781 if (checkforcmd(&ea.cmd, "browse", 3))
1782 {
1783 #ifdef FEAT_BROWSE
1784 cmdmod.browse = TRUE;
1785 #endif
1786 continue;
1787 }
1788 if (!checkforcmd(&ea.cmd, "botright", 2))
1789 break;
1790 #ifdef FEAT_WINDOWS
1791 cmdmod.split |= WSP_BOT;
1792 #endif
1793 continue;
1794
1795 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1796 break;
1797 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1798 cmdmod.confirm = TRUE;
1799 #endif
1800 continue;
1801
1802 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1803 {
1804 cmdmod.keepmarks = TRUE;
1805 continue;
1806 }
1807 if (checkforcmd(&ea.cmd, "keepalt", 5))
1808 {
1809 cmdmod.keepalt = TRUE;
1810 continue;
1811 }
1812 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1813 break;
1814 cmdmod.keepjumps = TRUE;
1815 continue;
1816
1817 /* ":hide" and ":hide | cmd" are not modifiers */
1818 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1819 || *p == NUL || ends_excmd(*p))
1820 break;
1821 ea.cmd = p;
1822 cmdmod.hide = TRUE;
1823 continue;
1824
1825 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1826 {
1827 cmdmod.lockmarks = TRUE;
1828 continue;
1829 }
1830
1831 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1832 break;
1833 #ifdef FEAT_WINDOWS
1834 cmdmod.split |= WSP_ABOVE;
1835 #endif
1836 continue;
1837
1838 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1839 break;
1840 #ifdef FEAT_AUTOCMD
1841 if (cmdmod.save_ei == NULL)
1842 {
1843 /* Set 'eventignore' to "all". Restore the
1844 * existing option value later. */
1845 cmdmod.save_ei = vim_strsave(p_ei);
1846 set_string_option_direct((char_u *)"ei", -1,
1847 (char_u *)"all", OPT_FREE, SID_NONE);
1848 }
1849 #endif
1850 continue;
1851
1852 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1853 break;
1854 #ifdef FEAT_WINDOWS
1855 cmdmod.split |= WSP_BELOW;
1856 #endif
1857 continue;
1858
1859 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1860 {
1861 #ifdef HAVE_SANDBOX
1862 if (!did_sandbox)
1863 ++sandbox;
1864 did_sandbox = TRUE;
1865 #endif
1866 continue;
1867 }
1868 if (!checkforcmd(&ea.cmd, "silent", 3))
1869 break;
1870 ++did_silent;
1871 ++msg_silent;
1872 save_msg_scroll = msg_scroll;
1873 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1874 {
1875 /* ":silent!", but not "silent !cmd" */
1876 ea.cmd = skipwhite(ea.cmd + 1);
1877 ++emsg_silent;
1878 ++did_esilent;
1879 }
1880 continue;
1881
1882 case 't': if (checkforcmd(&p, "tab", 3))
1883 {
1884 #ifdef FEAT_WINDOWS
1885 if (vim_isdigit(*ea.cmd))
1886 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1887 else
1888 cmdmod.tab = tabpage_index(curtab) + 1;
1889 ea.cmd = p;
1890 #endif
1891 continue;
1892 }
1893 if (!checkforcmd(&ea.cmd, "topleft", 2))
1894 break;
1895 #ifdef FEAT_WINDOWS
1896 cmdmod.split |= WSP_TOP;
1897 #endif
1898 continue;
1899
1900 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1901 {
1902 #ifdef FEAT_VERTSPLIT
1903 cmdmod.split |= WSP_VERT;
1904 #endif
1905 continue;
1906 }
1907 if (!checkforcmd(&p, "verbose", 4))
1908 break;
1909 if (verbose_save < 0)
1910 verbose_save = p_verbose;
1911 if (vim_isdigit(*ea.cmd))
1912 p_verbose = atoi((char *)ea.cmd);
1913 else
1914 p_verbose = 1;
1915 ea.cmd = p;
1916 continue;
1917 }
1918 break;
1919 }
1920
1921 #ifdef FEAT_EVAL
1922 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1923 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1924 #else
1925 ea.skip = (if_level > 0);
1926 #endif
1927
1928 #ifdef FEAT_EVAL
1929 # ifdef FEAT_PROFILE
1930 /* Count this line for profiling if ea.skip is FALSE. */
1931 if (do_profiling == PROF_YES && !ea.skip)
1932 {
1933 if (getline_equal(fgetline, cookie, get_func_line))
1934 func_line_exec(getline_cookie(fgetline, cookie));
1935 else if (getline_equal(fgetline, cookie, getsourceline))
1936 script_line_exec();
1937 }
1938 #endif
1939
1940 /* May go to debug mode. If this happens and the ">quit" debug command is
1941 * used, throw an interrupt exception and skip the next command. */
1942 dbg_check_breakpoint(&ea);
1943 if (!ea.skip && got_int)
1944 {
1945 ea.skip = TRUE;
1946 (void)do_intthrow(cstack);
1947 }
1948 #endif
1949
1950 /*
1951 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1952 *
1953 * where 'addr' is:
1954 *
1955 * % (entire file)
1956 * $ [+-NUM]
1957 * 'x [+-NUM] (where x denotes a currently defined mark)
1958 * . [+-NUM]
1959 * [+-NUM]..
1960 * NUM
1961 *
1962 * The ea.cmd pointer is updated to point to the first character following the
1963 * range spec. If an initial address is found, but no second, the upper bound
1964 * is equal to the lower.
1965 */
1966
1967 /* repeat for all ',' or ';' separated addresses */
1968 for (;;)
1969 {
1970 ea.line1 = ea.line2;
1971 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1972 ea.cmd = skipwhite(ea.cmd);
1973 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1974 if (ea.cmd == NULL) /* error detected */
1975 goto doend;
1976 if (lnum == MAXLNUM)
1977 {
1978 if (*ea.cmd == '%') /* '%' - all lines */
1979 {
1980 ++ea.cmd;
1981 ea.line1 = 1;
1982 ea.line2 = curbuf->b_ml.ml_line_count;
1983 ++ea.addr_count;
1984 }
1985 /* '*' - visual area */
1986 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1987 {
1988 pos_T *fp;
1989
1990 ++ea.cmd;
1991 if (!ea.skip)
1992 {
1993 fp = getmark('<', FALSE);
1994 if (check_mark(fp) == FAIL)
1995 goto doend;
1996 ea.line1 = fp->lnum;
1997 fp = getmark('>', FALSE);
1998 if (check_mark(fp) == FAIL)
1999 goto doend;
2000 ea.line2 = fp->lnum;
2001 ++ea.addr_count;
2002 }
2003 }
2004 }
2005 else
2006 ea.line2 = lnum;
2007 ea.addr_count++;
2008
2009 if (*ea.cmd == ';')
2010 {
2011 if (!ea.skip)
2012 curwin->w_cursor.lnum = ea.line2;
2013 }
2014 else if (*ea.cmd != ',')
2015 break;
2016 ++ea.cmd;
2017 }
2018
2019 /* One address given: set start and end lines */
2020 if (ea.addr_count == 1)
2021 {
2022 ea.line1 = ea.line2;
2023 /* ... but only implicit: really no address given */
2024 if (lnum == MAXLNUM)
2025 ea.addr_count = 0;
2026 }
2027
2028 /* Don't leave the cursor on an illegal line (caused by ';') */
2029 check_cursor_lnum();
2030
2031 /*
2032 * 4. parse command
2033 */
2034
2035 /*
2036 * Skip ':' and any white space
2037 */
2038 ea.cmd = skipwhite(ea.cmd);
2039 while (*ea.cmd == ':')
2040 ea.cmd = skipwhite(ea.cmd + 1);
2041
2042 /*
2043 * If we got a line, but no command, then go to the line.
2044 * If we find a '|' or '\n' we set ea.nextcmd.
2045 */
2046 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2047 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2048 {
2049 /*
2050 * strange vi behaviour:
2051 * ":3" jumps to line 3
2052 * ":3|..." prints line 3
2053 * ":|" prints current line
2054 */
2055 if (ea.skip) /* skip this if inside :if */
2056 goto doend;
2057 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2058 {
2059 ea.cmdidx = CMD_print;
2060 ea.argt = RANGE+COUNT+TRLBAR;
2061 if ((errormsg = invalid_range(&ea)) == NULL)
2062 {
2063 correct_range(&ea);
2064 ex_print(&ea);
2065 }
2066 }
2067 else if (ea.addr_count != 0)
2068 {
2069 if (ea.line2 > curbuf->b_ml.ml_line_count)
2070 {
2071 /* With '-' in 'cpoptions' a line number past the file is an
2072 * error, otherwise put it at the end of the file. */
2073 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2074 ea.line2 = -1;
2075 else
2076 ea.line2 = curbuf->b_ml.ml_line_count;
2077 }
2078
2079 if (ea.line2 < 0)
2080 errormsg = (char_u *)_(e_invrange);
2081 else
2082 {
2083 if (ea.line2 == 0)
2084 curwin->w_cursor.lnum = 1;
2085 else
2086 curwin->w_cursor.lnum = ea.line2;
2087 beginline(BL_SOL | BL_FIX);
2088 }
2089 }
2090 goto doend;
2091 }
2092
2093 /* Find the command and let "p" point to after it. */
2094 p = find_command(&ea, NULL);
2095
2096 #ifdef FEAT_USR_CMDS
2097 if (p == NULL)
2098 {
2099 if (!ea.skip)
2100 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2101 goto doend;
2102 }
2103 /* Check for wrong commands. */
2104 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2105 {
2106 errormsg = uc_fun_cmd();
2107 goto doend;
2108 }
2109 #endif
2110 if (ea.cmdidx == CMD_SIZE)
2111 {
2112 if (!ea.skip)
2113 {
2114 STRCPY(IObuff, _("E492: Not an editor command"));
2115 if (!sourcing)
2116 {
2117 STRCAT(IObuff, ": ");
2118 STRNCAT(IObuff, *cmdlinep, 40);
2119 }
2120 errormsg = IObuff;
2121 }
2122 goto doend;
2123 }
2124
2125 ni = (
2126 #ifdef FEAT_USR_CMDS
2127 !USER_CMDIDX(ea.cmdidx) &&
2128 #endif
2129 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2130 #ifdef HAVE_EX_SCRIPT_NI
2131 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2132 #endif
2133 ));
2134
2135 #ifndef FEAT_EVAL
2136 /*
2137 * When the expression evaluation is disabled, recognize the ":if" and
2138 * ":endif" commands and ignore everything in between it.
2139 */
2140 if (ea.cmdidx == CMD_if)
2141 ++if_level;
2142 if (if_level)
2143 {
2144 if (ea.cmdidx == CMD_endif)
2145 --if_level;
2146 goto doend;
2147 }
2148
2149 #endif
2150
2151 /* forced commands */
2152 if (*p == '!' && ea.cmdidx != CMD_substitute
2153 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2154 {
2155 ++p;
2156 ea.forceit = TRUE;
2157 }
2158 else
2159 ea.forceit = FALSE;
2160
2161 /*
2162 * 5. parse arguments
2163 */
2164 #ifdef FEAT_USR_CMDS
2165 if (!USER_CMDIDX(ea.cmdidx))
2166 #endif
2167 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2168
2169 if (!ea.skip)
2170 {
2171 #ifdef HAVE_SANDBOX
2172 if (sandbox != 0 && !(ea.argt & SBOXOK))
2173 {
2174 /* Command not allowed in sandbox. */
2175 errormsg = (char_u *)_(e_sandbox);
2176 goto doend;
2177 }
2178 #endif
2179 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2180 {
2181 /* Command not allowed in non-'modifiable' buffer */
2182 errormsg = (char_u *)_(e_modifiable);
2183 goto doend;
2184 }
2185
2186 if (text_locked() && !(ea.argt & CMDWIN)
2187 # ifdef FEAT_USR_CMDS
2188 && !USER_CMDIDX(ea.cmdidx)
2189 # endif
2190 )
2191 {
2192 /* Command not allowed when editing the command line. */
2193 #ifdef FEAT_CMDWIN
2194 if (cmdwin_type != 0)
2195 errormsg = (char_u *)_(e_cmdwin);
2196 else
2197 #endif
2198 errormsg = (char_u *)_(e_secure);
2199 goto doend;
2200 }
2201 #ifdef FEAT_AUTOCMD
2202 /* Disallow editing another buffer when "curbuf_lock" is set.
2203 * Do allow ":edit" (check for argument later).
2204 * Do allow ":checktime" (it's postponed). */
2205 if (!(ea.argt & CMDWIN)
2206 && ea.cmdidx != CMD_edit
2207 && ea.cmdidx != CMD_checktime
2208 # ifdef FEAT_USR_CMDS
2209 && !USER_CMDIDX(ea.cmdidx)
2210 # endif
2211 && curbuf_locked())
2212 goto doend;
2213 #endif
2214
2215 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2216 {
2217 /* no range allowed */
2218 errormsg = (char_u *)_(e_norange);
2219 goto doend;
2220 }
2221 }
2222
2223 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2224 {
2225 errormsg = (char_u *)_(e_nobang);
2226 goto doend;
2227 }
2228
2229 /*
2230 * Don't complain about the range if it is not used
2231 * (could happen if line_count is accidentally set to 0).
2232 */
2233 if (!ea.skip && !ni)
2234 {
2235 /*
2236 * If the range is backwards, ask for confirmation and, if given, swap
2237 * ea.line1 & ea.line2 so it's forwards again.
2238 * When global command is busy, don't ask, will fail below.
2239 */
2240 if (!global_busy && ea.line1 > ea.line2)
2241 {
2242 if (msg_silent == 0)
2243 {
2244 if (sourcing || exmode_active)
2245 {
2246 errormsg = (char_u *)_("E493: Backwards range given");
2247 goto doend;
2248 }
2249 if (ask_yesno((char_u *)
2250 _("Backwards range given, OK to swap"), FALSE) != 'y')
2251 goto doend;
2252 }
2253 lnum = ea.line1;
2254 ea.line1 = ea.line2;
2255 ea.line2 = lnum;
2256 }
2257 if ((errormsg = invalid_range(&ea)) != NULL)
2258 goto doend;
2259 }
2260
2261 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2262 ea.line2 = 1;
2263
2264 correct_range(&ea);
2265
2266 #ifdef FEAT_FOLDING
2267 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2268 {
2269 /* Put the first line at the start of a closed fold, put the last line
2270 * at the end of a closed fold. */
2271 (void)hasFolding(ea.line1, &ea.line1, NULL);
2272 (void)hasFolding(ea.line2, NULL, &ea.line2);
2273 }
2274 #endif
2275
2276 #ifdef FEAT_QUICKFIX
2277 /*
2278 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2279 * option here, so things like % get expanded.
2280 */
2281 p = replace_makeprg(&ea, p, cmdlinep);
2282 if (p == NULL)
2283 goto doend;
2284 #endif
2285
2286 /*
2287 * Skip to start of argument.
2288 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2289 */
2290 if (ea.cmdidx == CMD_bang)
2291 ea.arg = p;
2292 else
2293 ea.arg = skipwhite(p);
2294
2295 /*
2296 * Check for "++opt=val" argument.
2297 * Must be first, allow ":w ++enc=utf8 !cmd"
2298 */
2299 if (ea.argt & ARGOPT)
2300 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2301 if (getargopt(&ea) == FAIL && !ni)
2302 {
2303 errormsg = (char_u *)_(e_invarg);
2304 goto doend;
2305 }
2306
2307 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2308 {
2309 if (*ea.arg == '>') /* append */
2310 {
2311 if (*++ea.arg != '>') /* typed wrong */
2312 {
2313 errormsg = (char_u *)_("E494: Use w or w>>");
2314 goto doend;
2315 }
2316 ea.arg = skipwhite(ea.arg + 1);
2317 ea.append = TRUE;
2318 }
2319 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2320 {
2321 ++ea.arg;
2322 ea.usefilter = TRUE;
2323 }
2324 }
2325
2326 if (ea.cmdidx == CMD_read)
2327 {
2328 if (ea.forceit)
2329 {
2330 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2331 ea.forceit = FALSE;
2332 }
2333 else if (*ea.arg == '!') /* :r !filter */
2334 {
2335 ++ea.arg;
2336 ea.usefilter = TRUE;
2337 }
2338 }
2339
2340 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2341 {
2342 ea.amount = 1;
2343 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2344 {
2345 ++ea.arg;
2346 ++ea.amount;
2347 }
2348 ea.arg = skipwhite(ea.arg);
2349 }
2350
2351 /*
2352 * Check for "+command" argument, before checking for next command.
2353 * Don't do this for ":read !cmd" and ":write !cmd".
2354 */
2355 if ((ea.argt & EDITCMD) && !ea.usefilter)
2356 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2357
2358 /*
2359 * Check for '|' to separate commands and '"' to start comments.
2360 * Don't do this for ":read !cmd" and ":write !cmd".
2361 */
2362 if ((ea.argt & TRLBAR) && !ea.usefilter)
2363 separate_nextcmd(&ea);
2364
2365 /*
2366 * Check for <newline> to end a shell command.
2367 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2368 * Any others?
2369 */
2370 else if (ea.cmdidx == CMD_bang
2371 || ea.cmdidx == CMD_global
2372 || ea.cmdidx == CMD_vglobal
2373 || ea.usefilter)
2374 {
2375 for (p = ea.arg; *p; ++p)
2376 {
2377 /* Remove one backslash before a newline, so that it's possible to
2378 * pass a newline to the shell and also a newline that is preceded
2379 * with a backslash. This makes it impossible to end a shell
2380 * command in a backslash, but that doesn't appear useful.
2381 * Halving the number of backslashes is incompatible with previous
2382 * versions. */
2383 if (*p == '\\' && p[1] == '\n')
2384 mch_memmove(p, p + 1, STRLEN(p));
2385 else if (*p == '\n')
2386 {
2387 ea.nextcmd = p + 1;
2388 *p = NUL;
2389 break;
2390 }
2391 }
2392 }
2393
2394 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2395 {
2396 ea.line1 = 1;
2397 ea.line2 = curbuf->b_ml.ml_line_count;
2398 }
2399
2400 /* accept numbered register only when no count allowed (:put) */
2401 if ( (ea.argt & REGSTR)
2402 && *ea.arg != NUL
2403 #ifdef FEAT_USR_CMDS
2404 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2405 && USER_CMDIDX(ea.cmdidx)))
2406 /* Do not allow register = for user commands */
2407 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2408 #else
2409 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2410 #endif
2411 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2412 {
2413 ea.regname = *ea.arg++;
2414 #ifdef FEAT_EVAL
2415 /* for '=' register: accept the rest of the line as an expression */
2416 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2417 {
2418 set_expr_line(vim_strsave(ea.arg));
2419 ea.arg += STRLEN(ea.arg);
2420 }
2421 #endif
2422 ea.arg = skipwhite(ea.arg);
2423 }
2424
2425 /*
2426 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2427 * count, it's a buffer name.
2428 */
2429 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2430 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2431 || vim_iswhite(*p)))
2432 {
2433 n = getdigits(&ea.arg);
2434 ea.arg = skipwhite(ea.arg);
2435 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2436 {
2437 errormsg = (char_u *)_(e_zerocount);
2438 goto doend;
2439 }
2440 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2441 {
2442 ea.line2 = n;
2443 if (ea.addr_count == 0)
2444 ea.addr_count = 1;
2445 }
2446 else
2447 {
2448 ea.line1 = ea.line2;
2449 ea.line2 += n - 1;
2450 ++ea.addr_count;
2451 /*
2452 * Be vi compatible: no error message for out of range.
2453 */
2454 if (ea.line2 > curbuf->b_ml.ml_line_count)
2455 ea.line2 = curbuf->b_ml.ml_line_count;
2456 }
2457 }
2458
2459 /*
2460 * Check for flags: 'l', 'p' and '#'.
2461 */
2462 if (ea.argt & EXFLAGS)
2463 get_flags(&ea);
2464 /* no arguments allowed */
2465 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2466 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2467 {
2468 errormsg = (char_u *)_(e_trailing);
2469 goto doend;
2470 }
2471
2472 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2473 {
2474 errormsg = (char_u *)_(e_argreq);
2475 goto doend;
2476 }
2477
2478 #ifdef FEAT_EVAL
2479 /*
2480 * Skip the command when it's not going to be executed.
2481 * The commands like :if, :endif, etc. always need to be executed.
2482 * Also make an exception for commands that handle a trailing command
2483 * themselves.
2484 */
2485 if (ea.skip)
2486 {
2487 switch (ea.cmdidx)
2488 {
2489 /* commands that need evaluation */
2490 case CMD_while:
2491 case CMD_endwhile:
2492 case CMD_for:
2493 case CMD_endfor:
2494 case CMD_if:
2495 case CMD_elseif:
2496 case CMD_else:
2497 case CMD_endif:
2498 case CMD_try:
2499 case CMD_catch:
2500 case CMD_finally:
2501 case CMD_endtry:
2502 case CMD_function:
2503 break;
2504
2505 /* Commands that handle '|' themselves. Check: A command should
2506 * either have the TRLBAR flag, appear in this list or appear in
2507 * the list at ":help :bar". */
2508 case CMD_aboveleft:
2509 case CMD_and:
2510 case CMD_belowright:
2511 case CMD_botright:
2512 case CMD_browse:
2513 case CMD_call:
2514 case CMD_confirm:
2515 case CMD_delfunction:
2516 case CMD_djump:
2517 case CMD_dlist:
2518 case CMD_dsearch:
2519 case CMD_dsplit:
2520 case CMD_echo:
2521 case CMD_echoerr:
2522 case CMD_echomsg:
2523 case CMD_echon:
2524 case CMD_execute:
2525 case CMD_help:
2526 case CMD_hide:
2527 case CMD_ijump:
2528 case CMD_ilist:
2529 case CMD_isearch:
2530 case CMD_isplit:
2531 case CMD_keepalt:
2532 case CMD_keepjumps:
2533 case CMD_keepmarks:
2534 case CMD_leftabove:
2535 case CMD_let:
2536 case CMD_lockmarks:
2537 case CMD_match:
2538 case CMD_mzscheme:
2539 case CMD_perl:
2540 case CMD_psearch:
2541 case CMD_python:
2542 case CMD_return:
2543 case CMD_rightbelow:
2544 case CMD_ruby:
2545 case CMD_silent:
2546 case CMD_smagic:
2547 case CMD_snomagic:
2548 case CMD_substitute:
2549 case CMD_syntax:
2550 case CMD_tab:
2551 case CMD_tcl:
2552 case CMD_throw:
2553 case CMD_tilde:
2554 case CMD_topleft:
2555 case CMD_unlet:
2556 case CMD_verbose:
2557 case CMD_vertical:
2558 break;
2559
2560 default: goto doend;
2561 }
2562 }
2563 #endif
2564
2565 if (ea.argt & XFILE)
2566 {
2567 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2568 goto doend;
2569 }
2570
2571 #ifdef FEAT_LISTCMDS
2572 /*
2573 * Accept buffer name. Cannot be used at the same time with a buffer
2574 * number. Don't do this for a user command.
2575 */
2576 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2577 # ifdef FEAT_USR_CMDS
2578 && !USER_CMDIDX(ea.cmdidx)
2579 # endif
2580 )
2581 {
2582 /*
2583 * :bdelete, :bwipeout and :bunload take several arguments, separated
2584 * by spaces: find next space (skipping over escaped characters).
2585 * The others take one argument: ignore trailing spaces.
2586 */
2587 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2588 || ea.cmdidx == CMD_bunload)
2589 p = skiptowhite_esc(ea.arg);
2590 else
2591 {
2592 p = ea.arg + STRLEN(ea.arg);
2593 while (p > ea.arg && vim_iswhite(p[-1]))
2594 --p;
2595 }
2596 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2597 if (ea.line2 < 0) /* failed */
2598 goto doend;
2599 ea.addr_count = 1;
2600 ea.arg = skipwhite(p);
2601 }
2602 #endif
2603
2604 /*
2605 * 6. switch on command name
2606 *
2607 * The "ea" structure holds the arguments that can be used.
2608 */
2609 ea.cmdlinep = cmdlinep;
2610 ea.getline = fgetline;
2611 ea.cookie = cookie;
2612 #ifdef FEAT_EVAL
2613 ea.cstack = cstack;
2614 #endif
2615
2616 #ifdef FEAT_USR_CMDS
2617 if (USER_CMDIDX(ea.cmdidx))
2618 {
2619 /*
2620 * Execute a user-defined command.
2621 */
2622 do_ucmd(&ea);
2623 }
2624 else
2625 #endif
2626 {
2627 /*
2628 * Call the function to execute the command.
2629 */
2630 ea.errmsg = NULL;
2631 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2632 if (ea.errmsg != NULL)
2633 errormsg = (char_u *)_(ea.errmsg);
2634 }
2635
2636 #ifdef FEAT_EVAL
2637 /*
2638 * If the command just executed called do_cmdline(), any throw or ":return"
2639 * or ":finish" encountered there must also check the cstack of the still
2640 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2641 * exception, or reanimate a returned function or finished script file and
2642 * return or finish it again.
2643 */
2644 if (need_rethrow)
2645 do_throw(cstack);
2646 else if (check_cstack)
2647 {
2648 if (source_finished(fgetline, cookie))
2649 do_finish(&ea, TRUE);
2650 else if (getline_equal(fgetline, cookie, get_func_line)
2651 && current_func_returned())
2652 do_return(&ea, TRUE, FALSE, NULL);
2653 }
2654 need_rethrow = check_cstack = FALSE;
2655 #endif
2656
2657 doend:
2658 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2659 curwin->w_cursor.lnum = 1;
2660
2661 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2662 {
2663 if (sourcing)
2664 {
2665 if (errormsg != IObuff)
2666 {
2667 STRCPY(IObuff, errormsg);
2668 errormsg = IObuff;
2669 }
2670 STRCAT(errormsg, ": ");
2671 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2672 }
2673 emsg(errormsg);
2674 }
2675 #ifdef FEAT_EVAL
2676 do_errthrow(cstack,
2677 (ea.cmdidx != CMD_SIZE
2678 # ifdef FEAT_USR_CMDS
2679 && !USER_CMDIDX(ea.cmdidx)
2680 # endif
2681 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2682 #endif
2683
2684 if (verbose_save >= 0)
2685 p_verbose = verbose_save;
2686 #ifdef FEAT_AUTOCMD
2687 if (cmdmod.save_ei != NULL)
2688 {
2689 /* Restore 'eventignore' to the value before ":noautocmd". */
2690 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2691 OPT_FREE, SID_NONE);
2692 free_string_option(cmdmod.save_ei);
2693 }
2694 #endif
2695
2696 cmdmod = save_cmdmod;
2697
2698 if (did_silent > 0)
2699 {
2700 /* messages could be enabled for a serious error, need to check if the
2701 * counters don't become negative */
2702 msg_silent -= did_silent;
2703 if (msg_silent < 0)
2704 msg_silent = 0;
2705 emsg_silent -= did_esilent;
2706 if (emsg_silent < 0)
2707 emsg_silent = 0;
2708 /* Restore msg_scroll, it's set by file I/O commands, even when no
2709 * message is actually displayed. */
2710 msg_scroll = save_msg_scroll;
2711 }
2712
2713 #ifdef HAVE_SANDBOX
2714 if (did_sandbox)
2715 --sandbox;
2716 #endif
2717
2718 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2719 ea.nextcmd = NULL;
2720
2721 #ifdef FEAT_EVAL
2722 --ex_nesting_level;
2723 #endif
2724
2725 return ea.nextcmd;
2726 }
2727 #if (_MSC_VER == 1200)
2728 #pragma optimize( "", on )
2729 #endif
2730
2731 /*
2732 * Check for an Ex command with optional tail.
2733 * If there is a match advance "pp" to the argument and return TRUE.
2734 */
2735 int
2736 checkforcmd(pp, cmd, len)
2737 char_u **pp; /* start of command */
2738 char *cmd; /* name of command */
2739 int len; /* required length */
2740 {
2741 int i;
2742
2743 for (i = 0; cmd[i] != NUL; ++i)
2744 if (cmd[i] != (*pp)[i])
2745 break;
2746 if (i >= len && !isalpha((*pp)[i]))
2747 {
2748 *pp = skipwhite(*pp + i);
2749 return TRUE;
2750 }
2751 return FALSE;
2752 }
2753
2754 /*
2755 * Find an Ex command by its name, either built-in or user.
2756 * Start of the name can be found at eap->cmd.
2757 * Returns pointer to char after the command name.
2758 * "full" is set to TRUE if the whole command name matched.
2759 * Returns NULL for an ambiguous user command.
2760 */
2761 /*ARGSUSED*/
2762 static char_u *
2763 find_command(eap, full)
2764 exarg_T *eap;
2765 int *full;
2766 {
2767 int len;
2768 char_u *p;
2769 int i;
2770
2771 /*
2772 * Isolate the command and search for it in the command table.
2773 * Exceptions:
2774 * - the 'k' command can directly be followed by any character.
2775 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2776 * but :sre[wind] is another command, as are :scrip[tnames],
2777 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2778 * - the "d" command can directly be followed by 'l' or 'p' flag.
2779 */
2780 p = eap->cmd;
2781 if (*p == 'k')
2782 {
2783 eap->cmdidx = CMD_k;
2784 ++p;
2785 }
2786 else if (p[0] == 's'
2787 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2788 && p[3] != 'i' && p[4] != 'p')
2789 || p[1] == 'g'
2790 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2791 || p[1] == 'I'
2792 || (p[1] == 'r' && p[2] != 'e')))
2793 {
2794 eap->cmdidx = CMD_substitute;
2795 ++p;
2796 }
2797 else
2798 {
2799 while (ASCII_ISALPHA(*p))
2800 ++p;
2801 /* check for non-alpha command */
2802 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2803 ++p;
2804 len = (int)(p - eap->cmd);
2805 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2806 {
2807 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2808 * :delete with the 'l' flag. Same for 'p'. */
2809 for (i = 0; i < len; ++i)
2810 if (eap->cmd[i] != "delete"[i])
2811 break;
2812 if (i == len - 1)
2813 {
2814 --len;
2815 if (p[-1] == 'l')
2816 eap->flags |= EXFLAG_LIST;
2817 else
2818 eap->flags |= EXFLAG_PRINT;
2819 }
2820 }
2821
2822 if (ASCII_ISLOWER(*eap->cmd))
2823 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2824 else
2825 eap->cmdidx = cmdidxs[26];
2826
2827 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2828 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2829 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2830 (size_t)len) == 0)
2831 {
2832 #ifdef FEAT_EVAL
2833 if (full != NULL
2834 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2835 *full = TRUE;
2836 #endif
2837 break;
2838 }
2839
2840 #ifdef FEAT_USR_CMDS
2841 /* Look for a user defined command as a last resort */
2842 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2843 {
2844 /* User defined commands may contain digits. */
2845 while (ASCII_ISALNUM(*p))
2846 ++p;
2847 p = find_ucmd(eap, p, full, NULL, NULL);
2848 }
2849 #endif
2850 if (p == eap->cmd)
2851 eap->cmdidx = CMD_SIZE;
2852 }
2853
2854 return p;
2855 }
2856
2857 #ifdef FEAT_USR_CMDS
2858 /*
2859 * Search for a user command that matches "eap->cmd".
2860 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2861 * Return a pointer to just after the command.
2862 * Return NULL if there is no matching command.
2863 */
2864 static char_u *
2865 find_ucmd(eap, p, full, xp, compl)
2866 exarg_T *eap;
2867 char_u *p; /* end of the command (possibly including count) */
2868 int *full; /* set to TRUE for a full match */
2869 expand_T *xp; /* used for completion, NULL otherwise */
2870 int *compl; /* completion flags or NULL */
2871 {
2872 int len = (int)(p - eap->cmd);
2873 int j, k, matchlen = 0;
2874 ucmd_T *uc;
2875 int found = FALSE;
2876 int possible = FALSE;
2877 char_u *cp, *np; /* Point into typed cmd and test name */
2878 garray_T *gap;
2879 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2880 only full match global is accepted. */
2881
2882 /*
2883 * Look for buffer-local user commands first, then global ones.
2884 */
2885 gap = &curbuf->b_ucmds;
2886 for (;;)
2887 {
2888 for (j = 0; j < gap->ga_len; ++j)
2889 {
2890 uc = USER_CMD_GA(gap, j);
2891 cp = eap->cmd;
2892 np = uc->uc_name;
2893 k = 0;
2894 while (k < len && *np != NUL && *cp++ == *np++)
2895 k++;
2896 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2897 {
2898 /* If finding a second match, the command is ambiguous. But
2899 * not if a buffer-local command wasn't a full match and a
2900 * global command is a full match. */
2901 if (k == len && found && *np != NUL)
2902 {
2903 if (gap == &ucmds)
2904 return NULL;
2905 amb_local = TRUE;
2906 }
2907
2908 if (!found || (k == len && *np == NUL))
2909 {
2910 /* If we matched up to a digit, then there could
2911 * be another command including the digit that we
2912 * should use instead.
2913 */
2914 if (k == len)
2915 found = TRUE;
2916 else
2917 possible = TRUE;
2918
2919 if (gap == &ucmds)
2920 eap->cmdidx = CMD_USER;
2921 else
2922 eap->cmdidx = CMD_USER_BUF;
2923 eap->argt = (long)uc->uc_argt;
2924 eap->useridx = j;
2925
2926 # ifdef FEAT_CMDL_COMPL
2927 if (compl != NULL)
2928 *compl = uc->uc_compl;
2929 # ifdef FEAT_EVAL
2930 if (xp != NULL)
2931 {
2932 xp->xp_arg = uc->uc_compl_arg;
2933 xp->xp_scriptID = uc->uc_scriptID;
2934 }
2935 # endif
2936 # endif
2937 /* Do not search for further abbreviations
2938 * if this is an exact match. */
2939 matchlen = k;
2940 if (k == len && *np == NUL)
2941 {
2942 if (full != NULL)
2943 *full = TRUE;
2944 amb_local = FALSE;
2945 break;
2946 }
2947 }
2948 }
2949 }
2950
2951 /* Stop if we found a full match or searched all. */
2952 if (j < gap->ga_len || gap == &ucmds)
2953 break;
2954 gap = &ucmds;
2955 }
2956
2957 /* Only found ambiguous matches. */
2958 if (amb_local)
2959 {
2960 if (xp != NULL)
2961 xp->xp_context = EXPAND_UNSUCCESSFUL;
2962 return NULL;
2963 }
2964
2965 /* The match we found may be followed immediately by a number. Move "p"
2966 * back to point to it. */
2967 if (found || possible)
2968 return p + (matchlen - len);
2969 return p;
2970 }
2971 #endif
2972
2973 #if defined(FEAT_EVAL) || defined(PROTO)
2974 static struct cmdmod
2975 {
2976 char *name;
2977 int minlen;
2978 int has_count; /* :123verbose :3tab */
2979 } cmdmods[] = {
2980 {"aboveleft", 3, FALSE},
2981 {"belowright", 3, FALSE},
2982 {"botright", 2, FALSE},
2983 {"browse", 3, FALSE},
2984 {"confirm", 4, FALSE},
2985 {"hide", 3, FALSE},
2986 {"keepalt", 5, FALSE},
2987 {"keepjumps", 5, FALSE},
2988 {"keepmarks", 3, FALSE},
2989 {"leftabove", 5, FALSE},
2990 {"lockmarks", 3, FALSE},
2991 {"rightbelow", 6, FALSE},
2992 {"sandbox", 3, FALSE},
2993 {"silent", 3, FALSE},
2994 {"tab", 3, TRUE},
2995 {"topleft", 2, FALSE},
2996 {"verbose", 4, TRUE},
2997 {"vertical", 4, FALSE},
2998 };
2999
3000 /*
3001 * Return length of a command modifier (including optional count).
3002 * Return zero when it's not a modifier.
3003 */
3004 int
3005 modifier_len(cmd)
3006 char_u *cmd;
3007 {
3008 int i, j;
3009 char_u *p = cmd;
3010
3011 if (VIM_ISDIGIT(*cmd))
3012 p = skipwhite(skipdigits(cmd));
3013 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3014 {
3015 for (j = 0; p[j] != NUL; ++j)
3016 if (p[j] != cmdmods[i].name[j])
3017 break;
3018 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3019 && (p == cmd || cmdmods[i].has_count))
3020 return j + (int)(p - cmd);
3021 }
3022 return 0;
3023 }
3024
3025 /*
3026 * Return > 0 if an Ex command "name" exists.
3027 * Return 2 if there is an exact match.
3028 * Return 3 if there is an ambiguous match.
3029 */
3030 int
3031 cmd_exists(name)
3032 char_u *name;
3033 {
3034 exarg_T ea;
3035 int full = FALSE;
3036 int i;
3037 int j;
3038 char_u *p;
3039
3040 /* Check command modifiers. */
3041 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3042 {
3043 for (j = 0; name[j] != NUL; ++j)
3044 if (name[j] != cmdmods[i].name[j])
3045 break;
3046 if (name[j] == NUL && j >= cmdmods[i].minlen)
3047 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3048 }
3049
3050 /* Check built-in commands and user defined commands.
3051 * For ":2match" and ":3match" we need to skip the number. */
3052 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3053 ea.cmdidx = (cmdidx_T)0;
3054 p = find_command(&ea, &full);
3055 if (p == NULL)
3056 return 3;
3057 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3058 return 0;
3059 if (*skipwhite(p) != NUL)
3060 return 0; /* trailing garbage */
3061 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3062 }
3063 #endif
3064
3065 /*
3066 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3067 * we don't need/want deleted. Maybe this could be done better if we didn't
3068 * repeat all this stuff. The only problem is that they may not stay
3069 * perfectly compatible with each other, but then the command line syntax
3070 * probably won't change that much -- webb.
3071 */
3072 char_u *
3073 set_one_cmd_context(xp, buff)
3074 expand_T *xp;
3075 char_u *buff; /* buffer for command string */
3076 {
3077 char_u *p;
3078 char_u *cmd, *arg;
3079 int len = 0;
3080 exarg_T ea;
3081 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3082 int compl = EXPAND_NOTHING;
3083 #endif
3084 #ifdef FEAT_CMDL_COMPL
3085 int delim;
3086 #endif
3087 int forceit = FALSE;
3088 int usefilter = FALSE; /* filter instead of file name */
3089
3090 ExpandInit(xp);
3091 xp->xp_pattern = buff;
3092 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3093 ea.argt = 0;
3094
3095 /*
3096 * 2. skip comment lines and leading space, colons or bars
3097 */
3098 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3099 ;
3100 xp->xp_pattern = cmd;
3101
3102 if (*cmd == NUL)
3103 return NULL;
3104 if (*cmd == '"') /* ignore comment lines */
3105 {
3106 xp->xp_context = EXPAND_NOTHING;
3107 return NULL;
3108 }
3109
3110 /*
3111 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3112 */
3113 cmd = skip_range(cmd, &xp->xp_context);
3114
3115 /*
3116 * 4. parse command
3117 */
3118 xp->xp_pattern = cmd;
3119 if (*cmd == NUL)
3120 return NULL;
3121 if (*cmd == '"')
3122 {
3123 xp->xp_context = EXPAND_NOTHING;
3124 return NULL;
3125 }
3126
3127 if (*cmd == '|' || *cmd == '\n')
3128 return cmd + 1; /* There's another command */
3129
3130 /*
3131 * Isolate the command and search for it in the command table.
3132 * Exceptions:
3133 * - the 'k' command can directly be followed by any character, but
3134 * do accept "keepmarks", "keepalt" and "keepjumps".
3135 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3136 */
3137 if (*cmd == 'k' && cmd[1] != 'e')
3138 {
3139 ea.cmdidx = CMD_k;
3140 p = cmd + 1;
3141 }
3142 else
3143 {
3144 p = cmd;
3145 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3146 ++p;
3147 /* check for non-alpha command */
3148 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3149 ++p;
3150 len = (int)(p - cmd);
3151
3152 if (len == 0)
3153 {
3154 xp->xp_context = EXPAND_UNSUCCESSFUL;
3155 return NULL;
3156 }
3157 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3158 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3159 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3160 break;
3161
3162 #ifdef FEAT_USR_CMDS
3163 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3164 {
3165 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3166 ++p;
3167 len = (int)(p - cmd);
3168 }
3169 #endif
3170 }
3171
3172 /*
3173 * If the cursor is touching the command, and it ends in an alpha-numeric
3174 * character, complete the command name.
3175 */
3176 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3177 return NULL;
3178
3179 if (ea.cmdidx == CMD_SIZE)
3180 {
3181 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3182 {
3183 ea.cmdidx = CMD_substitute;
3184 p = cmd + 1;
3185 }
3186 #ifdef FEAT_USR_CMDS
3187 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3188 {
3189 ea.cmd = cmd;
3190 p = find_ucmd(&ea, p, NULL, xp,
3191 # if defined(FEAT_CMDL_COMPL)
3192 &compl
3193 # else
3194 NULL
3195 # endif
3196 );
3197 if (p == NULL)
3198 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3199 }
3200 #endif
3201 }
3202 if (ea.cmdidx == CMD_SIZE)
3203 {
3204 /* Not still touching the command and it was an illegal one */
3205 xp->xp_context = EXPAND_UNSUCCESSFUL;
3206 return NULL;
3207 }
3208
3209 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3210
3211 if (*p == '!') /* forced commands */
3212 {
3213 forceit = TRUE;
3214 ++p;
3215 }
3216
3217 /*
3218 * 5. parse arguments
3219 */
3220 #ifdef FEAT_USR_CMDS
3221 if (!USER_CMDIDX(ea.cmdidx))
3222 #endif
3223 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3224
3225 arg = skipwhite(p);
3226
3227 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3228 {
3229 if (*arg == '>') /* append */
3230 {
3231 if (*++arg == '>')
3232 ++arg;
3233 arg = skipwhite(arg);
3234 }
3235 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3236 {
3237 ++arg;
3238 usefilter = TRUE;
3239 }
3240 }
3241
3242 if (ea.cmdidx == CMD_read)
3243 {
3244 usefilter = forceit; /* :r! filter if forced */
3245 if (*arg == '!') /* :r !filter */
3246 {
3247 ++arg;
3248 usefilter = TRUE;
3249 }
3250 }
3251
3252 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3253 {
3254 while (*arg == *cmd) /* allow any number of '>' or '<' */
3255 ++arg;
3256 arg = skipwhite(arg);
3257 }
3258
3259 /* Does command allow "+command"? */
3260 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3261 {
3262 /* Check if we're in the +command */
3263 p = arg + 1;
3264 arg = skip_cmd_arg(arg, FALSE);
3265
3266 /* Still touching the command after '+'? */
3267 if (*arg == NUL)
3268 return p;
3269
3270 /* Skip space(s) after +command to get to the real argument */
3271 arg = skipwhite(arg);
3272 }
3273
3274 /*
3275 * Check for '|' to separate commands and '"' to start comments.
3276 * Don't do this for ":read !cmd" and ":write !cmd".
3277 */
3278 if ((ea.argt & TRLBAR) && !usefilter)
3279 {
3280 p = arg;
3281 /* ":redir @" is not the start of a comment */
3282 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3283 p += 2;
3284 while (*p)
3285 {
3286 if (*p == Ctrl_V)
3287 {
3288 if (p[1] != NUL)
3289 ++p;
3290 }
3291 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3292 || *p == '|' || *p == '\n')
3293 {
3294 if (*(p - 1) != '\\')
3295 {
3296 if (*p == '|' || *p == '\n')
3297 return p + 1;
3298 return NULL; /* It's a comment */
3299 }
3300 }
3301 mb_ptr_adv(p);
3302 }
3303 }
3304
3305 /* no arguments allowed */
3306 if (!(ea.argt & EXTRA) && *arg != NUL &&
3307 vim_strchr((char_u *)"|\"", *arg) == NULL)
3308 return NULL;
3309
3310 /* Find start of last argument (argument just before cursor): */
3311 p = buff + STRLEN(buff);
3312 while (p != arg && *p != ' ' && *p != TAB)
3313 p--;
3314 if (*p == ' ' || *p == TAB)
3315 p++;
3316 xp->xp_pattern = p;
3317
3318 if (ea.argt & XFILE)
3319 {
3320 int c;
3321 int in_quote = FALSE;
3322 char_u *bow = NULL; /* Beginning of word */
3323
3324 /*
3325 * Allow spaces within back-quotes to count as part of the argument
3326 * being expanded.
3327 */
3328 xp->xp_pattern = skipwhite(arg);
3329 p = xp->xp_pattern;
3330 while (*p != NUL)
3331 {
3332 #ifdef FEAT_MBYTE
3333 if (has_mbyte)
3334 c = mb_ptr2char(p);
3335 else
3336 #endif
3337 c = *p;
3338 if (c == '\\' && p[1] != NUL)
3339 ++p;
3340 else if (c == '`')
3341 {
3342 if (!in_quote)
3343 {
3344 xp->xp_pattern = p;
3345 bow = p + 1;
3346 }
3347 in_quote = !in_quote;
3348 }
3349 /* An argument can contain just about everything, except
3350 * characters that end the command and white space. */
3351 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3352 #ifdef SPACE_IN_FILENAME
3353 && (!(ea.argt & NOSPC) || usefilter)
3354 #endif
3355 ))
3356 {
3357 len = 0; /* avoid getting stuck when space is in 'isfname' */
3358 while (*p != NUL)
3359 {
3360 #ifdef FEAT_MBYTE
3361 if (has_mbyte)
3362 c = mb_ptr2char(p);
3363 else
3364 #endif
3365 c = *p;
3366 if (c == '`' || vim_isfilec_or_wc(c))
3367 break;
3368 #ifdef FEAT_MBYTE
3369 if (has_mbyte)
3370 len = (*mb_ptr2len)(p);
3371 else
3372 #endif
3373 len = 1;
3374 mb_ptr_adv(p);
3375 }
3376 if (in_quote)
3377 bow = p;
3378 else
3379 xp->xp_pattern = p;
3380 p -= len;
3381 }
3382 mb_ptr_adv(p);
3383 }
3384
3385 /*
3386 * If we are still inside the quotes, and we passed a space, just
3387 * expand from there.
3388 */
3389 if (bow != NULL && in_quote)
3390 xp->xp_pattern = bow;
3391 xp->xp_context = EXPAND_FILES;
3392
3393 #ifndef BACKSLASH_IN_FILENAME
3394 /* For a shell command more chars need to be escaped. */
3395 if (usefilter || ea.cmdidx == CMD_bang)
3396 {
3397 xp->xp_shell = TRUE;
3398
3399 /* When still after the command name expand executables. */
3400 if (xp->xp_pattern == skipwhite(arg))
3401 xp->xp_context = EXPAND_SHELLCMD;
3402 }
3403 #endif
3404
3405 /* Check for environment variable */
3406 if (*xp->xp_pattern == '$'
3407 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3408 || *xp->xp_pattern == '%'
3409 #endif
3410 )
3411 {
3412 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3413 if (!vim_isIDc(*p))
3414 break;
3415 if (*p == NUL)
3416 {
3417 xp->xp_context = EXPAND_ENV_VARS;
3418 ++xp->xp_pattern;
3419 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3420 /* Avoid that the assignment uses EXPAND_FILES again. */
3421 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3422 compl = EXPAND_ENV_VARS;
3423 #endif
3424 }
3425 }
3426 }
3427
3428 /*
3429 * 6. switch on command name
3430 */
3431 switch (ea.cmdidx)
3432 {
3433 case CMD_cd:
3434 case CMD_chdir:
3435 case CMD_lcd:
3436 case CMD_lchdir:
3437 if (xp->xp_context == EXPAND_FILES)
3438 xp->xp_context = EXPAND_DIRECTORIES;
3439 break;
3440 case CMD_help:
3441 xp->xp_context = EXPAND_HELP;
3442 xp->xp_pattern = arg;
3443 break;
3444
3445 /* Command modifiers: return the argument.
3446 * Also for commands with an argument that is a command. */
3447 case CMD_aboveleft:
3448 case CMD_argdo:
3449 case CMD_belowright:
3450 case CMD_botright:
3451 case CMD_browse:
3452 case CMD_bufdo:
3453 case CMD_confirm:
3454 case CMD_debug:
3455 case CMD_folddoclosed:
3456 case CMD_folddoopen:
3457 case CMD_hide:
3458 case CMD_keepalt:
3459 case CMD_keepjumps:
3460 case CMD_keepmarks:
3461 case CMD_leftabove:
3462 case CMD_lockmarks:
3463 case CMD_rightbelow:
3464 case CMD_sandbox:
3465 case CMD_silent:
3466 case CMD_tab:
3467 case CMD_topleft:
3468 case CMD_verbose:
3469 case CMD_vertical:
3470 case CMD_windo:
3471 return arg;
3472
3473 #ifdef FEAT_CMDL_COMPL
3474 # ifdef FEAT_SEARCH_EXTRA
3475 case CMD_match:
3476 if (*arg == NUL || !ends_excmd(*arg))
3477 {
3478 /* also complete "None" */
3479 set_context_in_echohl_cmd(xp, arg);
3480 arg = skipwhite(skiptowhite(arg));
3481 if (*arg != NUL)
3482 {
3483 xp->xp_context = EXPAND_NOTHING;
3484 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3485 }
3486 }
3487 return find_nextcmd(arg);
3488 # endif
3489
3490 /*
3491 * All completion for the +cmdline_compl feature goes here.
3492 */
3493
3494 # ifdef FEAT_USR_CMDS
3495 case CMD_command:
3496 /* Check for attributes */
3497 while (*arg == '-')
3498 {
3499 arg++; /* Skip "-" */
3500 p = skiptowhite(arg);
3501 if (*p == NUL)
3502 {
3503 /* Cursor is still in the attribute */
3504 p = vim_strchr(arg, '=');
3505 if (p == NULL)
3506 {
3507 /* No "=", so complete attribute names */
3508 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3509 xp->xp_pattern = arg;
3510 return NULL;
3511 }
3512
3513 /* For the -complete and -nargs attributes, we complete
3514 * their arguments as well.
3515 */
3516 if (STRNICMP(arg, "complete", p - arg) == 0)
3517 {
3518 xp->xp_context = EXPAND_USER_COMPLETE;
3519 xp->xp_pattern = p + 1;
3520 return NULL;
3521 }
3522 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3523 {
3524 xp->xp_context = EXPAND_USER_NARGS;
3525 xp->xp_pattern = p + 1;
3526 return NULL;
3527 }
3528 return NULL;
3529 }
3530 arg = skipwhite(p);
3531 }
3532
3533 /* After the attributes comes the new command name */
3534 p = skiptowhite(arg);
3535 if (*p == NUL)
3536 {
3537 xp->xp_context = EXPAND_USER_COMMANDS;
3538 xp->xp_pattern = arg;
3539 break;
3540 }
3541
3542 /* And finally comes a normal command */
3543 return skipwhite(p);
3544
3545 case CMD_delcommand:
3546 xp->xp_context = EXPAND_USER_COMMANDS;
3547 xp->xp_pattern = arg;
3548 break;
3549 # endif
3550
3551 case CMD_global:
3552 case CMD_vglobal:
3553 delim = *arg; /* get the delimiter */
3554 if (delim)
3555 ++arg; /* skip delimiter if there is one */
3556
3557 while (arg[0] != NUL && arg[0] != delim)
3558 {
3559 if (arg[0] == '\\' && arg[1] != NUL)
3560 ++arg;
3561 ++arg;
3562 }
3563 if (arg[0] != NUL)
3564 return arg + 1;
3565 break;
3566 case CMD_and:
3567 case CMD_substitute:
3568 delim = *arg;
3569 if (delim)
3570 {
3571 /* skip "from" part */
3572 ++arg;
3573 arg = skip_regexp(arg, delim, p_magic, NULL);
3574 }
3575 /* skip "to" part */
3576 while (arg[0] != NUL && arg[0] != delim)
3577 {
3578 if (arg[0] == '\\' && arg[1] != NUL)
3579 ++arg;
3580 ++arg;
3581 }
3582 if (arg[0] != NUL) /* skip delimiter */
3583 ++arg;
3584 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3585 ++arg;
3586 if (arg[0] != NUL)
3587 return arg;
3588 break;
3589 case CMD_isearch:
3590 case CMD_dsearch:
3591 case CMD_ilist:
3592 case CMD_dlist:
3593 case CMD_ijump:
3594 case CMD_psearch:
3595 case CMD_djump:
3596 case CMD_isplit:
3597 case CMD_dsplit:
3598 arg = skipwhite(skipdigits(arg)); /* skip count */
3599 if (*arg == '/') /* Match regexp, not just whole words */
3600 {
3601 for (++arg; *arg && *arg != '/'; arg++)
3602 if (*arg == '\\' && arg[1] != NUL)
3603 arg++;
3604 if (*arg)
3605 {
3606 arg = skipwhite(arg + 1);
3607
3608 /* Check for trailing illegal characters */
3609 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3610 xp->xp_context = EXPAND_NOTHING;
3611 else
3612 return arg;
3613 }
3614 }
3615 break;
3616 #ifdef FEAT_AUTOCMD
3617 case CMD_autocmd:
3618 return set_context_in_autocmd(xp, arg, FALSE);
3619
3620 case CMD_doautocmd:
3621 return set_context_in_autocmd(xp, arg, TRUE);
3622 #endif
3623 case CMD_set:
3624 set_context_in_set_cmd(xp, arg, 0);
3625 break;
3626 case CMD_setglobal:
3627 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3628 break;
3629 case CMD_setlocal:
3630 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3631 break;
3632 case CMD_tag:
3633 case CMD_stag:
3634 case CMD_ptag:
3635 case CMD_ltag:
3636 case CMD_tselect:
3637 case CMD_stselect:
3638 case CMD_ptselect:
3639 case CMD_tjump:
3640 case CMD_stjump:
3641 case CMD_ptjump:
3642 if (*p_wop != NUL)
3643 xp->xp_context = EXPAND_TAGS_LISTFILES;
3644 else
3645 xp->xp_context = EXPAND_TAGS;
3646 xp->xp_pattern = arg;
3647 break;
3648 case CMD_augroup:
3649 xp->xp_context = EXPAND_AUGROUP;
3650 xp->xp_pattern = arg;
3651 break;
3652 #ifdef FEAT_SYN_HL
3653 case CMD_syntax:
3654 set_context_in_syntax_cmd(xp, arg);
3655 break;
3656 #endif
3657 #ifdef FEAT_EVAL
3658 case CMD_let:
3659 case CMD_if:
3660 case CMD_elseif:
3661 case CMD_while:
3662 case CMD_for:
3663 case CMD_echo:
3664 case CMD_echon:
3665 case CMD_execute:
3666 case CMD_echomsg:
3667 case CMD_echoerr:
3668 case CMD_call:
3669 case CMD_return:
3670 set_context_for_expression(xp, arg, ea.cmdidx);
3671 break;
3672
3673 case CMD_unlet:
3674 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3675 arg = xp->xp_pattern + 1;
3676 xp->xp_context = EXPAND_USER_VARS;
3677 xp->xp_pattern = arg;
3678 break;
3679
3680 case CMD_function:
3681 case CMD_delfunction:
3682 xp->xp_context = EXPAND_USER_FUNC;
3683 xp->xp_pattern = arg;
3684 break;
3685
3686 case CMD_echohl:
3687 set_context_in_echohl_cmd(xp, arg);
3688 break;
3689 #endif
3690 case CMD_highlight:
3691 set_context_in_highlight_cmd(xp, arg);
3692 break;
3693 #ifdef FEAT_LISTCMDS
3694 case CMD_bdelete:
3695 case CMD_bwipeout:
3696 case CMD_bunload:
3697 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3698 arg = xp->xp_pattern + 1;
3699 /*FALLTHROUGH*/
3700 case CMD_buffer:
3701 case CMD_sbuffer:
3702 case CMD_checktime:
3703 xp->xp_context = EXPAND_BUFFERS;
3704 xp->xp_pattern = arg;
3705 break;
3706 #endif
3707 #ifdef FEAT_USR_CMDS
3708 case CMD_USER:
3709 case CMD_USER_BUF:
3710 if (compl != EXPAND_NOTHING)
3711 {
3712 /* XFILE: file names are handled above */
3713 if (!(ea.argt & XFILE))
3714 {
3715 # ifdef FEAT_MENU
3716 if (compl == EXPAND_MENUS)
3717 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3718 # endif
3719 if (compl == EXPAND_COMMANDS)
3720 return arg;
3721 if (compl == EXPAND_MAPPINGS)
3722 return set_context_in_map_cmd(xp, (char_u *)"map",
3723 arg, forceit, FALSE, FALSE, CMD_map);
3724 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3725 arg = xp->xp_pattern + 1;
3726 xp->xp_pattern = arg;
3727 }
3728 xp->xp_context = compl;
3729 }
3730 break;
3731 #endif
3732 case CMD_map: case CMD_noremap:
3733 case CMD_nmap: case CMD_nnoremap:
3734 case CMD_vmap: case CMD_vnoremap:
3735 case CMD_omap: case CMD_onoremap:
3736 case CMD_imap: case CMD_inoremap:
3737 case CMD_cmap: case CMD_cnoremap:
3738 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3739 FALSE, FALSE, ea.cmdidx);
3740 case CMD_unmap:
3741 case CMD_nunmap:
3742 case CMD_vunmap:
3743 case CMD_ounmap:
3744 case CMD_iunmap:
3745 case CMD_cunmap:
3746 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3747 FALSE, TRUE, ea.cmdidx);
3748 case CMD_abbreviate: case CMD_noreabbrev:
3749 case CMD_cabbrev: case CMD_cnoreabbrev:
3750 case CMD_iabbrev: case CMD_inoreabbrev:
3751 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3752 TRUE, FALSE, ea.cmdidx);
3753 case CMD_unabbreviate:
3754 case CMD_cunabbrev:
3755 case CMD_iunabbrev:
3756 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3757 TRUE, TRUE, ea.cmdidx);
3758 #ifdef FEAT_MENU
3759 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3760 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3761 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3762 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3763 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3764 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3765 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3766 case CMD_tmenu: case CMD_tunmenu:
3767 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3768 #ifdef FEAT_GUI_MACVIM
3769 case CMD_macmenu:
3770 #endif
3771 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3772 #endif
3773
3774 case CMD_colorscheme:
3775 xp->xp_context = EXPAND_COLORS;
3776 xp->xp_pattern = arg;
3777 break;
3778
3779 case CMD_compiler:
3780 xp->xp_context = EXPAND_COMPILER;
3781 xp->xp_pattern = arg;
3782 break;
3783
3784 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3785 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3786 case CMD_language:
3787 if (*skiptowhite(arg) == NUL)
3788 {
3789 xp->xp_context = EXPAND_LANGUAGE;
3790 xp->xp_pattern = arg;
3791 }
3792 else
3793 xp->xp_context = EXPAND_NOTHING;
3794 break;
3795 #endif
3796
3797 #ifdef FEAT_GUI_MACVIM
3798 case CMD_macaction:
3799 xp->xp_context = EXPAND_MACACTION;
3800 xp->xp_pattern = arg;
3801 break;
3802 #endif
3803
3804
3805 #endif /* FEAT_CMDL_COMPL */
3806
3807 default:
3808 break;
3809 }
3810 return NULL;
3811 }
3812
3813 /*
3814 * skip a range specifier of the form: addr [,addr] [;addr] ..
3815 *
3816 * Backslashed delimiters after / or ? will be skipped, and commands will
3817 * not be expanded between /'s and ?'s or after "'".
3818 *
3819 * Also skip white space and ":" characters.
3820 * Returns the "cmd" pointer advanced to beyond the range.
3821 */
3822 char_u *
3823 skip_range(cmd, ctx)
3824 char_u *cmd;
3825 int *ctx; /* pointer to xp_context or NULL */
3826 {
3827 int delim;
3828
3829 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3830 {
3831 if (*cmd == '\'')
3832 {
3833 if (*++cmd == NUL && ctx != NULL)
3834 *ctx = EXPAND_NOTHING;
3835 }
3836 else if (*cmd == '/' || *cmd == '?')
3837 {
3838 delim = *cmd++;
3839 while (*cmd != NUL && *cmd != delim)
3840 if (*cmd++ == '\\' && *cmd != NUL)
3841 ++cmd;
3842 if (*cmd == NUL && ctx != NULL)
3843 *ctx = EXPAND_NOTHING;
3844 }
3845 if (*cmd != NUL)
3846 ++cmd;
3847 }
3848
3849 /* Skip ":" and white space. */
3850 while (*cmd == ':')
3851 cmd = skipwhite(cmd + 1);
3852
3853 return cmd;
3854 }
3855
3856 /*
3857 * get a single EX address
3858 *
3859 * Set ptr to the next character after the part that was interpreted.
3860 * Set ptr to NULL when an error is encountered.
3861 *
3862 * Return MAXLNUM when no Ex address was found.
3863 */
3864 static linenr_T
3865 get_address(ptr, skip, to_other_file)
3866 char_u **ptr;
3867 int skip; /* only skip the address, don't use it */
3868 int to_other_file; /* flag: may jump to other file */
3869 {
3870 int c;
3871 int i;
3872 long n;
3873 char_u *cmd;
3874 pos_T pos;
3875 pos_T *fp;
3876 linenr_T lnum;
3877
3878 cmd = skipwhite(*ptr);
3879 lnum = MAXLNUM;
3880 do
3881 {
3882 switch (*cmd)
3883 {
3884 case '.': /* '.' - Cursor position */
3885 ++cmd;
3886 lnum = curwin->w_cursor.lnum;
3887 break;
3888
3889 case '$': /* '$' - last line */
3890 ++cmd;
3891 lnum = curbuf->b_ml.ml_line_count;
3892 break;
3893
3894 case '\'': /* ''' - mark */
3895 if (*++cmd == NUL)
3896 {
3897 cmd = NULL;
3898 goto error;
3899 }
3900 if (skip)
3901 ++cmd;
3902 else
3903 {
3904 /* Only accept a mark in another file when it is
3905 * used by itself: ":'M". */
3906 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3907 ++cmd;
3908 if (fp == (pos_T *)-1)
3909 /* Jumped to another file. */
3910 lnum = curwin->w_cursor.lnum;
3911 else
3912 {
3913 if (check_mark(fp) == FAIL)
3914 {
3915 cmd = NULL;
3916 goto error;
3917 }
3918 lnum = fp->lnum;
3919 }
3920 }
3921 break;
3922
3923 case '/':
3924 case '?': /* '/' or '?' - search */
3925 c = *cmd++;
3926 if (skip) /* skip "/pat/" */
3927 {
3928 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3929 if (*cmd == c)
3930 ++cmd;
3931 }
3932 else
3933 {
3934 pos = curwin->w_cursor; /* save curwin->w_cursor */
3935 /*
3936 * When '/' or '?' follows another address, start
3937 * from there.
3938 */
3939 if (lnum != MAXLNUM)
3940 curwin->w_cursor.lnum = lnum;
3941 /*
3942 * Start a forward search at the end of the line.
3943 * Start a backward search at the start of the line.
3944 * This makes sure we never match in the current
3945 * line, and can match anywhere in the
3946 * next/previous line.
3947 */
3948 if (c == '/')
3949 curwin->w_cursor.col = MAXCOL;
3950 else
3951 curwin->w_cursor.col = 0;
3952 searchcmdlen = 0;
3953 if (!do_search(NULL, c, cmd, 1L,
3954 SEARCH_HIS | SEARCH_MSG, NULL))
3955 {
3956 curwin->w_cursor = pos;
3957 cmd = NULL;
3958 goto error;
3959 }
3960 lnum = curwin->w_cursor.lnum;
3961 curwin->w_cursor = pos;
3962 /* adjust command string pointer */
3963 cmd += searchcmdlen;
3964 }
3965 break;
3966
3967 case '\\': /* "\?", "\/" or "\&", repeat search */
3968 ++cmd;
3969 if (*cmd == '&')
3970 i = RE_SUBST;
3971 else if (*cmd == '?' || *cmd == '/')
3972 i = RE_SEARCH;
3973 else
3974 {
3975 EMSG(_(e_backslash));
3976 cmd = NULL;
3977 goto error;
3978 }
3979
3980 if (!skip)
3981 {
3982 /*
3983 * When search follows another address, start from
3984 * there.
3985 */
3986 if (lnum != MAXLNUM)
3987 pos.lnum = lnum;
3988 else
3989 pos.lnum = curwin->w_cursor.lnum;
3990
3991 /*
3992 * Start the search just like for the above
3993 * do_search().
3994 */
3995 if (*cmd != '?')
3996 pos.col = MAXCOL;
3997 else
3998 pos.col = 0;
3999 if (searchit(curwin, curbuf, &pos,
4000 *cmd == '?' ? BACKWARD : FORWARD,
4001 (char_u *)"", 1L, SEARCH_MSG,
4002 i, (linenr_T)0, NULL) != FAIL)
4003 lnum = pos.lnum;
4004 else
4005 {
4006 cmd = NULL;
4007 goto error;
4008 }
4009 }
4010 ++cmd;
4011 break;
4012
4013 default:
4014 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4015 lnum = getdigits(&cmd);
4016 }
4017
4018 for (;;)
4019 {
4020 cmd = skipwhite(cmd);
4021 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4022 break;
4023
4024 if (lnum == MAXLNUM)
4025 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4026 if (VIM_ISDIGIT(*cmd))
4027 i = '+'; /* "number" is same as "+number" */
4028 else
4029 i = *cmd++;
4030 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4031 n = 1;
4032 else
4033 n = getdigits(&cmd);
4034 if (i == '-')
4035 lnum -= n;
4036 else
4037 lnum += n;
4038 }
4039 } while (*cmd == '/' || *cmd == '?');
4040
4041 error:
4042 *ptr = cmd;
4043 return lnum;
4044 }
4045
4046 /*
4047 * Get flags from an Ex command argument.
4048 */
4049 static void
4050 get_flags(eap)
4051 exarg_T *eap;
4052 {
4053 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4054 {
4055 if (*eap->arg == 'l')
4056 eap->flags |= EXFLAG_LIST;
4057 else if (*eap->arg == 'p')
4058 eap->flags |= EXFLAG_PRINT;
4059 else
4060 eap->flags |= EXFLAG_NR;
4061 eap->arg = skipwhite(eap->arg + 1);
4062 }
4063 }
4064
4065 /*
4066 * Function called for command which is Not Implemented. NI!
4067 */
4068 void
4069 ex_ni(eap)
4070 exarg_T *eap;
4071 {
4072 if (!eap->skip)
4073 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4074 }
4075
4076 #ifdef HAVE_EX_SCRIPT_NI
4077 /*
4078 * Function called for script command which is Not Implemented. NI!
4079 * Skips over ":perl <<EOF" constructs.
4080 */
4081 static void
4082 ex_script_ni(eap)
4083 exarg_T *eap;
4084 {
4085 if (!eap->skip)
4086 ex_ni(eap);
4087 else
4088 vim_free(script_get(eap, eap->arg));
4089 }
4090 #endif
4091
4092 /*
4093 * Check range in Ex command for validity.
4094 * Return NULL when valid, error message when invalid.
4095 */
4096 static char_u *
4097 invalid_range(eap)
4098 exarg_T *eap;
4099 {
4100 if ( eap->line1 < 0
4101 || eap->line2 < 0
4102 || eap->line1 > eap->line2
4103 || ((eap->argt & RANGE)
4104 && !(eap->argt & NOTADR)
4105 && eap->line2 > curbuf->b_ml.ml_line_count
4106 #ifdef FEAT_DIFF
4107 + (eap->cmdidx == CMD_diffget)
4108 #endif
4109 ))
4110 return (char_u *)_(e_invrange);
4111 return NULL;
4112 }
4113
4114 /*
4115 * Correct the range for zero line number, if required.
4116 */
4117 static void
4118 correct_range(eap)
4119 exarg_T *eap;
4120 {
4121 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4122 {
4123 if (eap->line1 == 0)
4124 eap->line1 = 1;
4125 if (eap->line2 == 0)
4126 eap->line2 = 1;
4127 }
4128 }
4129
4130 #ifdef FEAT_QUICKFIX
4131 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4132
4133 /*
4134 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4135 * pattern. Otherwise return eap->arg.
4136 */
4137 static char_u *
4138 skip_grep_pat(eap)
4139 exarg_T *eap;
4140 {
4141 char_u *p = eap->arg;
4142
4143 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4144 || eap->cmdidx == CMD_vimgrepadd
4145 || eap->cmdidx == CMD_lvimgrepadd
4146 || grep_internal(eap->cmdidx)))
4147 {
4148 p = skip_vimgrep_pat(p, NULL, NULL);
4149 if (p == NULL)
4150 p = eap->arg;
4151 }
4152 return p;
4153 }
4154
4155 /*
4156 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4157 * in the command line, so that things like % get expanded.
4158 */
4159 static char_u *
4160 replace_makeprg(eap, p, cmdlinep)
4161 exarg_T *eap;
4162 char_u *p;
4163 char_u **cmdlinep;
4164 {
4165 char_u *new_cmdline;
4166 char_u *program;
4167 char_u *pos;
4168 char_u *ptr;
4169 int len;
4170 int i;
4171
4172 /*
4173 * Don't do it when ":vimgrep" is used for ":grep".
4174 */
4175 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4176 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4177 || eap->cmdidx == CMD_grepadd
4178 || eap->cmdidx == CMD_lgrepadd)
4179 && !grep_internal(eap->cmdidx))
4180 {
4181 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4182 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4183 {
4184 if (*curbuf->b_p_gp == NUL)
4185 program = p_gp;
4186 else
4187 program = curbuf->b_p_gp;
4188 }
4189 else
4190 {
4191 if (*curbuf->b_p_mp == NUL)
4192 program = p_mp;
4193 else
4194 program = curbuf->b_p_mp;
4195 }
4196
4197 p = skipwhite(p);
4198
4199 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4200 {
4201 /* replace $* by given arguments */
4202 i = 1;
4203 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4204 ++i;
4205 len = (int)STRLEN(p);
4206 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4207 if (new_cmdline == NULL)
4208 return NULL; /* out of memory */
4209 ptr = new_cmdline;
4210 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4211 {
4212 i = (int)(pos - program);
4213 STRNCPY(ptr, program, i);
4214 STRCPY(ptr += i, p);
4215 ptr += len;
4216 program = pos + 2;
4217 }
4218 STRCPY(ptr, program);
4219 }
4220 else
4221 {
4222 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4223 if (new_cmdline == NULL)
4224 return NULL; /* out of memory */
4225 STRCPY(new_cmdline, program);
4226 STRCAT(new_cmdline, " ");
4227 STRCAT(new_cmdline, p);
4228 }
4229 msg_make(p);
4230
4231 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4232 vim_free(*cmdlinep);
4233 *cmdlinep = new_cmdline;
4234 p = new_cmdline;
4235 }
4236 return p;
4237 }
4238 #endif
4239
4240 /*
4241 * Expand file name in Ex command argument.
4242 * Return FAIL for failure, OK otherwise.
4243 */
4244 int
4245 expand_filename(eap, cmdlinep, errormsgp)
4246 exarg_T *eap;
4247 char_u **cmdlinep;
4248 char_u **errormsgp;
4249 {
4250 int has_wildcards; /* need to expand wildcards */
4251 char_u *repl;
4252 int srclen;
4253 char_u *p;
4254 int n;
4255 int escaped;
4256
4257 #ifdef FEAT_QUICKFIX
4258 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4259 p = skip_grep_pat(eap);
4260 #else
4261 p = eap->arg;
4262 #endif
4263
4264 /*
4265 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4266 * the file name contains a wildcard it should not cause expanding.
4267 * (it will be expanded anyway if there is a wildcard before replacing).
4268 */
4269 has_wildcards = mch_has_wildcard(p);
4270 while (*p != NUL)
4271 {
4272 #ifdef FEAT_EVAL
4273 /* Skip over `=expr`, wildcards in it are not expanded. */
4274 if (p[0] == '`' && p[1] == '=')
4275 {
4276 p += 2;
4277 (void)skip_expr(&p);
4278 if (*p == '`')
4279 ++p;
4280 continue;
4281 }
4282 #endif
4283 /*
4284 * Quick check if this cannot be the start of a special string.
4285 * Also removes backslash before '%', '#' and '<'.
4286 */
4287 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4288 {
4289 ++p;
4290 continue;
4291 }
4292
4293 /*
4294 * Try to find a match at this position.
4295 */
4296 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4297 errormsgp, &escaped);
4298 if (*errormsgp != NULL) /* error detected */
4299 return FAIL;
4300 if (repl == NULL) /* no match found */
4301 {
4302 p += srclen;
4303 continue;
4304 }
4305
4306 /* Wildcards won't be expanded below, the replacement is taken
4307 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4308 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4309 {
4310 char_u *l = repl;
4311
4312 repl = expand_env_save(repl);
4313 vim_free(l);
4314 }
4315
4316 /* Need to escape white space et al. with a backslash.
4317 * Don't do this for:
4318 * - replacement that already has been escaped: "##"
4319 * - shell commands (may have to use quotes instead).
4320 * - non-unix systems when there is a single argument (spaces don't
4321 * separate arguments then).
4322 */
4323 if (!eap->usefilter
4324 && !escaped
4325 && eap->cmdidx != CMD_bang
4326 && eap->cmdidx != CMD_make
4327 && eap->cmdidx != CMD_lmake
4328 && eap->cmdidx != CMD_grep
4329 && eap->cmdidx != CMD_lgrep
4330 && eap->cmdidx != CMD_grepadd
4331 && eap->cmdidx != CMD_lgrepadd
4332 #ifndef UNIX
4333 && !(eap->argt & NOSPC)
4334 #endif
4335 )
4336 {
4337 char_u *l;
4338 #ifdef BACKSLASH_IN_FILENAME
4339 /* Don't escape a backslash here, because rem_backslash() doesn't
4340 * remove it later. */
4341 static char_u *nobslash = (char_u *)" \t\"|";
4342 # define ESCAPE_CHARS nobslash
4343 #else
4344 # define ESCAPE_CHARS escape_chars
4345 #endif
4346
4347 for (l = repl; *l; ++l)
4348 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4349 {
4350 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4351 if (l != NULL)
4352 {
4353 vim_free(repl);
4354 repl = l;
4355 }
4356 break;
4357 }
4358 }
4359
4360 /* For a shell command a '!' must be escaped. */
4361 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4362 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4363 {
4364 char_u *l;
4365
4366 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4367 if (l != NULL)
4368 {
4369 vim_free(repl);
4370 repl = l;
4371 /* For a sh-like shell escape "!" another time. */
4372 if (strstr((char *)p_sh, "sh") != NULL)
4373 {
4374 l = vim_strsave_escaped(repl, (char_u *)"!");
4375 if (l != NULL)
4376 {
4377 vim_free(repl);
4378 repl = l;
4379 }
4380 }
4381 }
4382 }
4383
4384 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4385 vim_free(repl);
4386 if (p == NULL)
4387 return FAIL;
4388 }
4389
4390 /*
4391 * One file argument: Expand wildcards.
4392 * Don't do this with ":r !command" or ":w !command".
4393 */
4394 if ((eap->argt & NOSPC) && !eap->usefilter)
4395 {
4396 /*
4397 * May do this twice:
4398 * 1. Replace environment variables.
4399 * 2. Replace any other wildcards, remove backslashes.
4400 */
4401 for (n = 1; n <= 2; ++n)
4402 {
4403 if (n == 2)
4404 {
4405 #ifdef UNIX
4406 /*
4407 * Only for Unix we check for more than one file name.
4408 * For other systems spaces are considered to be part
4409 * of the file name.
4410 * Only check here if there is no wildcard, otherwise
4411 * ExpandOne() will check for errors. This allows
4412 * ":e `ls ve*.c`" on Unix.
4413 */
4414 if (!has_wildcards)
4415 for (p = eap->arg; *p; ++p)
4416 {
4417 /* skip escaped characters */
4418 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4419 ++p;
4420 else if (vim_iswhite(*p))
4421 {
4422 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4423 return FAIL;
4424 }
4425 }
4426 #endif
4427
4428 /*
4429 * Halve the number of backslashes (this is Vi compatible).
4430 * For Unix and OS/2, when wildcards are expanded, this is
4431 * done by ExpandOne() below.
4432 */
4433 #if defined(UNIX) || defined(OS2)
4434 if (!has_wildcards)
4435 #endif
4436 backslash_halve(eap->arg);
4437 }
4438
4439 if (has_wildcards)
4440 {
4441 if (n == 1)
4442 {
4443 /*
4444 * First loop: May expand environment variables. This
4445 * can be done much faster with expand_env() than with
4446 * something else (e.g., calling a shell).
4447 * After expanding environment variables, check again
4448 * if there are still wildcards present.
4449 */
4450 if (vim_strchr(eap->arg, '$') != NULL
4451 || vim_strchr(eap->arg, '~') != NULL)
4452 {
4453 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4454 TRUE, TRUE, NULL);
4455 has_wildcards = mch_has_wildcard(NameBuff);
4456 p = NameBuff;
4457 }
4458 else
4459 p = NULL;
4460 }
4461 else /* n == 2 */
4462 {
4463 expand_T xpc;
4464
4465 ExpandInit(&xpc);
4466 xpc.xp_context = EXPAND_FILES;
4467 p = ExpandOne(&xpc, eap->arg, NULL,
4468 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4469 WILD_EXPAND_FREE);
4470 if (p == NULL)
4471 return FAIL;
4472 }
4473 if (p != NULL)
4474 {
4475 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4476 p, cmdlinep);
4477 if (n == 2) /* p came from ExpandOne() */
4478 vim_free(p);
4479 }
4480 }
4481 }
4482 }
4483 return OK;
4484 }
4485
4486 /*
4487 * Replace part of the command line, keeping eap->cmd, eap->arg and
4488 * eap->nextcmd correct.
4489 * "src" points to the part that is to be replaced, of length "srclen".
4490 * "repl" is the replacement string.
4491 * Returns a pointer to the character after the replaced string.
4492 * Returns NULL for failure.
4493 */
4494 static char_u *
4495 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4496 exarg_T *eap;
4497 char_u *src;
4498 int srclen;
4499 char_u *repl;
4500 char_u **cmdlinep;
4501 {
4502 int len;
4503 int i;
4504 char_u *new_cmdline;
4505
4506 /*
4507 * The new command line is build in new_cmdline[].
4508 * First allocate it.
4509 * Careful: a "+cmd" argument may have been NUL terminated.
4510 */
4511 len = (int)STRLEN(repl);
4512 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4513 if (eap->nextcmd != NULL)
4514 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4515 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4516 return NULL; /* out of memory! */
4517
4518 /*
4519 * Copy the stuff before the expanded part.
4520 * Copy the expanded stuff.
4521 * Copy what came after the expanded part.
4522 * Copy the next commands, if there are any.
4523 */
4524 i = (int)(src - *cmdlinep); /* length of part before match */
4525 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4526
4527 mch_memmove(new_cmdline + i, repl, (size_t)len);
4528 i += len; /* remember the end of the string */
4529 STRCPY(new_cmdline + i, src + srclen);
4530 src = new_cmdline + i; /* remember where to continue */
4531
4532 if (eap->nextcmd != NULL) /* append next command */
4533 {
4534 i = (int)STRLEN(new_cmdline) + 1;
4535 STRCPY(new_cmdline + i, eap->nextcmd);
4536 eap->nextcmd = new_cmdline + i;
4537 }
4538 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4539 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4540 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4541 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4542 vim_free(*cmdlinep);
4543 *cmdlinep = new_cmdline;
4544
4545 return src;
4546 }
4547
4548 /*
4549 * Check for '|' to separate commands and '"' to start comments.
4550 */
4551 void
4552 separate_nextcmd(eap)
4553 exarg_T *eap;
4554 {
4555 char_u *p;
4556
4557 #ifdef FEAT_QUICKFIX
4558 p = skip_grep_pat(eap);
4559 #else
4560 p = eap->arg;
4561 #endif
4562
4563 for ( ; *p; mb_ptr_adv(p))
4564 {
4565 if (*p == Ctrl_V)
4566 {
4567 if (eap->argt & (USECTRLV | XFILE))
4568 ++p; /* skip CTRL-V and next char */
4569 else
4570 /* remove CTRL-V and skip next char */
4571 mch_memmove(p, p + 1, STRLEN(p));
4572 if (*p == NUL) /* stop at NUL after CTRL-V */
4573 break;
4574 }
4575
4576 #ifdef FEAT_EVAL
4577 /* Skip over `=expr` when wildcards are expanded. */
4578 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4579 {
4580 p += 2;
4581 (void)skip_expr(&p);
4582 }
4583 #endif
4584
4585 /* Check for '"': start of comment or '|': next command */
4586 /* :@" and :*" do not start a comment!
4587 * :redir @" doesn't either. */
4588 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4589 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4590 || p != eap->arg)
4591 && (eap->cmdidx != CMD_redir
4592 || p != eap->arg + 1 || p[-1] != '@'))
4593 || *p == '|' || *p == '\n')
4594 {
4595 /*
4596 * We remove the '\' before the '|', unless USECTRLV is used
4597 * AND 'b' is present in 'cpoptions'.
4598 */
4599 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4600 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4601 {
4602 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4603 --p;
4604 }
4605 else
4606 {
4607 eap->nextcmd = check_nextcmd(p);
4608 *p = NUL;
4609 break;
4610 }
4611 }
4612 }
4613
4614 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4615 del_trailing_spaces(eap->arg);
4616 }
4617
4618 /*
4619 * get + command from ex argument
4620 */
4621 static char_u *
4622 getargcmd(argp)
4623 char_u **argp;
4624 {
4625 char_u *arg = *argp;
4626 char_u *command = NULL;
4627
4628 if (*arg == '+') /* +[command] */
4629 {
4630 ++arg;
4631 if (vim_isspace(*arg))
4632 command = dollar_command;
4633 else
4634 {
4635 command = arg;
4636 arg = skip_cmd_arg(command, TRUE);
4637 if (*arg != NUL)
4638 *arg++ = NUL; /* terminate command with NUL */
4639 }
4640
4641 arg = skipwhite(arg); /* skip over spaces */
4642 *argp = arg;
4643 }
4644 return command;
4645 }
4646
4647 /*
4648 * Find end of "+command" argument. Skip over "\ " and "\\".
4649 */
4650 static char_u *
4651 skip_cmd_arg(p, rembs)
4652 char_u *p;
4653 int rembs; /* TRUE to halve the number of backslashes */
4654 {
4655 while (*p && !vim_isspace(*p))
4656 {
4657 if (*p == '\\' && p[1] != NUL)
4658 {
4659 if (rembs)
4660 mch_memmove(p, p + 1, STRLEN(p));
4661 else
4662 ++p;
4663 }
4664 mb_ptr_adv(p);
4665 }
4666 return p;
4667 }
4668
4669 /*
4670 * Get "++opt=arg" argument.
4671 * Return FAIL or OK.
4672 */
4673 static int
4674 getargopt(eap)
4675 exarg_T *eap;
4676 {
4677 char_u *arg = eap->arg + 2;
4678 int *pp = NULL;
4679 #ifdef FEAT_MBYTE
4680 char_u *p;
4681 #endif
4682
4683 /* ":edit ++[no]bin[ary] file" */
4684 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4685 {
4686 if (*arg == 'n')
4687 {
4688 arg += 2;
4689 eap->force_bin = FORCE_NOBIN;
4690 }
4691 else
4692 eap->force_bin = FORCE_BIN;
4693 if (!checkforcmd(&arg, "binary", 3))
4694 return FAIL;
4695 eap->arg = skipwhite(arg);
4696 return OK;
4697 }
4698
4699 /* ":read ++edit file" */
4700 if (STRNCMP(arg, "edit", 4) == 0)
4701 {
4702 eap->read_edit = TRUE;
4703 eap->arg = skipwhite(arg + 4);
4704 return OK;
4705 }
4706
4707 if (STRNCMP(arg, "ff", 2) == 0)
4708 {
4709 arg += 2;
4710 pp = &eap->force_ff;
4711 }
4712 else if (STRNCMP(arg, "fileformat", 10) == 0)
4713 {
4714 arg += 10;
4715 pp = &eap->force_ff;
4716 }
4717 #ifdef FEAT_MBYTE
4718 else if (STRNCMP(arg, "enc", 3) == 0)
4719 {
4720 arg += 3;
4721 pp = &eap->force_enc;
4722 }
4723 else if (STRNCMP(arg, "encoding", 8) == 0)
4724 {
4725 arg += 8;
4726 pp = &eap->force_enc;
4727 }
4728 else if (STRNCMP(arg, "bad", 3) == 0)
4729 {
4730 arg += 3;
4731 pp = &eap->bad_char;
4732 }
4733 #endif
4734
4735 if (pp == NULL || *arg != '=')
4736 return FAIL;
4737
4738 ++arg;
4739 *pp = (int)(arg - eap->cmd);
4740 arg = skip_cmd_arg(arg, FALSE);
4741 eap->arg = skipwhite(arg);
4742 *arg = NUL;
4743
4744 #ifdef FEAT_MBYTE
4745 if (pp == &eap->force_ff)
4746 {
4747 #endif
4748 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4749 return FAIL;
4750 #ifdef FEAT_MBYTE
4751 }
4752 else if (pp == &eap->force_enc)
4753 {
4754 /* Make 'fileencoding' lower case. */
4755 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4756 *p = TOLOWER_ASC(*p);
4757 }
4758 else
4759 {
4760 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4761 * "drop". */
4762 p = eap->cmd + eap->bad_char;
4763 if (STRICMP(p, "keep") == 0)
4764 eap->bad_char = BAD_KEEP;
4765 else if (STRICMP(p, "drop") == 0)
4766 eap->bad_char = BAD_DROP;
4767 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4768 eap->bad_char = *p;
4769 else
4770 return FAIL;
4771 }
4772 #endif
4773
4774 return OK;
4775 }
4776
4777 /*
4778 * ":abbreviate" and friends.
4779 */
4780 static void
4781 ex_abbreviate(eap)
4782 exarg_T *eap;
4783 {
4784 do_exmap(eap, TRUE); /* almost the same as mapping */
4785 }
4786
4787 /*
4788 * ":map" and friends.
4789 */
4790 static void
4791 ex_map(eap)
4792 exarg_T *eap;
4793 {
4794 /*
4795 * If we are sourcing .exrc or .vimrc in current directory we
4796 * print the mappings for security reasons.
4797 */
4798 if (secure)
4799 {
4800 secure = 2;
4801 msg_outtrans(eap->cmd);
4802 msg_putchar('\n');
4803 }
4804 do_exmap(eap, FALSE);
4805 }
4806
4807 /*
4808 * ":unmap" and friends.
4809 */
4810 static void
4811 ex_unmap(eap)
4812 exarg_T *eap;
4813 {
4814 do_exmap(eap, FALSE);
4815 }
4816
4817 /*
4818 * ":mapclear" and friends.
4819 */
4820 static void
4821 ex_mapclear(eap)
4822 exarg_T *eap;
4823 {
4824 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4825 }
4826
4827 /*
4828 * ":abclear" and friends.
4829 */
4830 static void
4831 ex_abclear(eap)
4832 exarg_T *eap;
4833 {
4834 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4835 }
4836
4837 #ifdef FEAT_AUTOCMD
4838 static void
4839 ex_autocmd(eap)
4840 exarg_T *eap;
4841 {
4842 /*
4843 * Disallow auto commands from .exrc and .vimrc in current
4844 * directory for security reasons.
4845 */
4846 if (secure)
4847 {
4848 secure = 2;
4849 eap->errmsg = e_curdir;
4850 }
4851 else if (eap->cmdidx == CMD_autocmd)
4852 do_autocmd(eap->arg, eap->forceit);
4853 else
4854 do_augroup(eap->arg, eap->forceit);
4855 }
4856
4857 /*
4858 * ":doautocmd": Apply the automatic commands to the current buffer.
4859 */
4860 static void
4861 ex_doautocmd(eap)
4862 exarg_T *eap;
4863 {
4864 (void)do_doautocmd(eap->arg, TRUE);
4865 do_modelines(0);
4866 }
4867 #endif
4868
4869 #ifdef FEAT_LISTCMDS
4870 /*
4871 * :[N]bunload[!] [N] [bufname] unload buffer
4872 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4873 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4874 */
4875 static void
4876 ex_bunload(eap)
4877 exarg_T *eap;
4878 {
4879 eap->errmsg = do_bufdel(
4880 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4881 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4882 : DOBUF_UNLOAD, eap->arg,
4883 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4884 }
4885
4886 /*
4887 * :[N]buffer [N] to buffer N
4888 * :[N]sbuffer [N] to buffer N
4889 */
4890 static void
4891 ex_buffer(eap)
4892 exarg_T *eap;
4893 {
4894 if (*eap->arg)
4895 eap->errmsg = e_trailing;
4896 else
4897 {
4898 if (eap->addr_count == 0) /* default is current buffer */
4899 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4900 else
4901 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4902 }
4903 }
4904
4905 /*
4906 * :[N]bmodified [N] to next mod. buffer
4907 * :[N]sbmodified [N] to next mod. buffer
4908 */
4909 static void
4910 ex_bmodified(eap)
4911 exarg_T *eap;
4912 {
4913 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4914 }
4915
4916 /*
4917 * :[N]bnext [N] to next buffer
4918 * :[N]sbnext [N] split and to next buffer
4919 */
4920 static void
4921 ex_bnext(eap)
4922 exarg_T *eap;
4923 {
4924 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4925 }
4926
4927 /*
4928 * :[N]bNext [N] to previous buffer
4929 * :[N]bprevious [N] to previous buffer
4930 * :[N]sbNext [N] split and to previous buffer
4931 * :[N]sbprevious [N] split and to previous buffer
4932 */
4933 static void
4934 ex_bprevious(eap)
4935 exarg_T *eap;
4936 {
4937 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4938 }
4939
4940 /*
4941 * :brewind to first buffer
4942 * :bfirst to first buffer
4943 * :sbrewind split and to first buffer
4944 * :sbfirst split and to first buffer
4945 */
4946 static void
4947 ex_brewind(eap)
4948 exarg_T *eap;
4949 {
4950 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4951 }
4952
4953 /*
4954 * :blast to last buffer
4955 * :sblast split and to last buffer
4956 */
4957 static void
4958 ex_blast(eap)
4959 exarg_T *eap;
4960 {
4961 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4962 }
4963 #endif
4964
4965 int
4966 ends_excmd(c)
4967 int c;
4968 {
4969 return (c == NUL || c == '|' || c == '"' || c == '\n');
4970 }
4971
4972 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4973 || defined(PROTO)
4974 /*
4975 * Return the next command, after the first '|' or '\n'.
4976 * Return NULL if not found.
4977 */
4978 char_u *
4979 find_nextcmd(p)
4980 char_u *p;
4981 {
4982 while (*p != '|' && *p != '\n')
4983 {
4984 if (*p == NUL)
4985 return NULL;
4986 ++p;
4987 }
4988 return (p + 1);
4989 }
4990 #endif
4991
4992 /*
4993 * Check if *p is a separator between Ex commands.
4994 * Return NULL if it isn't, (p + 1) if it is.
4995 */
4996 char_u *
4997 check_nextcmd(p)
4998 char_u *p;
4999 {
5000 p = skipwhite(p);
5001 if (*p == '|' || *p == '\n')
5002 return (p + 1);
5003 else
5004 return NULL;
5005 }
5006
5007 /*
5008 * - if there are more files to edit
5009 * - and this is the last window
5010 * - and forceit not used
5011 * - and not repeated twice on a row
5012 * return FAIL and give error message if 'message' TRUE
5013 * return OK otherwise
5014 */
5015 static int
5016 check_more(message, forceit)
5017 int message; /* when FALSE check only, no messages */
5018 int forceit;
5019 {
5020 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5021
5022 if (!forceit && only_one_window()
5023 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5024 {
5025 if (message)
5026 {
5027 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5028 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5029 {
5030 char_u buff[IOSIZE];
5031
5032 if (n == 1)
5033 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5034 else
5035 vim_snprintf((char *)buff, IOSIZE,
5036 _("%d more files to edit. Quit anyway?"), n);
5037 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5038 return OK;
5039 return FAIL;
5040 }
5041 #endif
5042 if (n == 1)
5043 EMSG(_("E173: 1 more file to edit"));
5044 else
5045 EMSGN(_("E173: %ld more files to edit"), n);
5046 quitmore = 2; /* next try to quit is allowed */
5047 }
5048 return FAIL;
5049 }
5050 return OK;
5051 }
5052
5053 #ifdef FEAT_CMDL_COMPL
5054 /*
5055 * Function given to ExpandGeneric() to obtain the list of command names.
5056 */
5057 /*ARGSUSED*/
5058 char_u *
5059 get_command_name(xp, idx)
5060 expand_T *xp;
5061 int idx;
5062 {
5063 if (idx >= (int)CMD_SIZE)
5064 # ifdef FEAT_USR_CMDS
5065 return get_user_command_name(idx);
5066 # else
5067 return NULL;
5068 # endif
5069 return cmdnames[idx].cmd_name;
5070 }
5071 #endif
5072
5073 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5074 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));
5075 static void uc_list __ARGS((char_u *name, size_t name_len));
5076 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5077 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5078 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));
5079
5080 static int
5081 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5082 char_u *name;
5083 size_t name_len;
5084 char_u *rep;
5085 long argt;
5086 long def;
5087 int flags;
5088 int compl;
5089 char_u *compl_arg;
5090 int force;
5091 {
5092 ucmd_T *cmd = NULL;
5093 char_u *p;
5094 int i;
5095 int cmp = 1;
5096 char_u *rep_buf = NULL;
5097 garray_T *gap;
5098
5099 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5100 if (rep_buf == NULL)
5101 {
5102 /* Can't replace termcodes - try using the string as is */
5103 rep_buf = vim_strsave(rep);
5104
5105 /* Give up if out of memory */
5106 if (rep_buf == NULL)
5107 return FAIL;
5108 }
5109
5110 /* get address of growarray: global or in curbuf */
5111 if (flags & UC_BUFFER)
5112 {
5113 gap = &curbuf->b_ucmds;
5114 if (gap->ga_itemsize == 0)
5115 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5116 }
5117 else
5118 gap = &ucmds;
5119
5120 /* Search for the command in the already defined commands. */
5121 for (i = 0; i < gap->ga_len; ++i)
5122 {
5123 size_t len;
5124
5125 cmd = USER_CMD_GA(gap, i);
5126 len = STRLEN(cmd->uc_name);
5127 cmp = STRNCMP(name, cmd->uc_name, name_len);
5128 if (cmp == 0)
5129 {
5130 if (name_len < len)
5131 cmp = -1;
5132 else if (name_len > len)
5133 cmp = 1;
5134 }
5135
5136 if (cmp == 0)
5137 {
5138 if (!force)
5139 {
5140 EMSG(_("E174: Command already exists: add ! to replace it"));
5141 goto fail;
5142 }
5143
5144 vim_free(cmd->uc_rep);
5145 cmd->uc_rep = 0;
5146 break;
5147 }
5148
5149 /* Stop as soon as we pass the name to add */
5150 if (cmp < 0)
5151 break;
5152 }
5153
5154 /* Extend the array unless we're replacing an existing command */
5155 if (cmp != 0)
5156 {
5157 if (ga_grow(gap, 1) != OK)
5158 goto fail;
5159 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5160 goto fail;
5161
5162 cmd = USER_CMD_GA(gap, i);
5163 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5164
5165 ++gap->ga_len;
5166
5167 cmd->uc_name = p;
5168 }
5169
5170 cmd->uc_rep = rep_buf;
5171 cmd->uc_argt = argt;
5172 cmd->uc_def = def;
5173 cmd->uc_compl = compl;
5174 #ifdef FEAT_EVAL
5175 cmd->uc_scriptID = current_SID;
5176 # ifdef FEAT_CMDL_COMPL
5177 cmd->uc_compl_arg = compl_arg;
5178 # endif
5179 #endif
5180
5181 return OK;
5182
5183 fail:
5184 vim_free(rep_buf);
5185 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5186 vim_free(compl_arg);
5187 #endif
5188 return FAIL;
5189 }
5190
5191 /*
5192 * List of names for completion for ":command" with the EXPAND_ flag.
5193 * Must be alphabetical for completion.
5194 */
5195 static struct
5196 {
5197 int expand;
5198 char *name;
5199 } command_complete[] =
5200 {
5201 {EXPAND_AUGROUP, "augroup"},
5202 {EXPAND_BUFFERS, "buffer"},
5203 {EXPAND_COMMANDS, "command"},
5204 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5205 {EXPAND_USER_DEFINED, "custom"},
5206 {EXPAND_USER_LIST, "customlist"},
5207 #endif
5208 {EXPAND_DIRECTORIES, "dir"},
5209 {EXPAND_ENV_VARS, "environment"},
5210 {EXPAND_EVENTS, "event"},
5211 {EXPAND_EXPRESSION, "expression"},
5212 {EXPAND_FILES, "file"},
5213 {EXPAND_FUNCTIONS, "function"},
5214 {EXPAND_HELP, "help"},
5215 {EXPAND_HIGHLIGHT, "highlight"},
5216 {EXPAND_MAPPINGS, "mapping"},
5217 {EXPAND_MENUS, "menu"},
5218 {EXPAND_SETTINGS, "option"},
5219 {EXPAND_SHELLCMD, "shellcmd"},
5220 {EXPAND_TAGS, "tag"},
5221 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5222 {EXPAND_USER_VARS, "var"},
5223 {0, NULL}
5224 };
5225
5226 static void
5227 uc_list(name, name_len)
5228 char_u *name;
5229 size_t name_len;
5230 {
5231 int i, j;
5232 int found = FALSE;
5233 ucmd_T *cmd;
5234 int len;
5235 long a;
5236 garray_T *gap;
5237
5238 gap = &curbuf->b_ucmds;
5239 for (;;)
5240 {
5241 for (i = 0; i < gap->ga_len; ++i)
5242 {
5243 cmd = USER_CMD_GA(gap, i);
5244 a = (long)cmd->uc_argt;
5245
5246 /* Skip commands which don't match the requested prefix */
5247 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5248 continue;
5249
5250 /* Put out the title first time */
5251 if (!found)
5252 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5253 found = TRUE;
5254 msg_putchar('\n');
5255 if (got_int)
5256 break;
5257
5258 /* Special cases */
5259 msg_putchar(a & BANG ? '!' : ' ');
5260 msg_putchar(a & REGSTR ? '"' : ' ');
5261 msg_putchar(gap != &ucmds ? 'b' : ' ');
5262 msg_putchar(' ');
5263
5264 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5265 len = (int)STRLEN(cmd->uc_name) + 4;
5266
5267 do {
5268 msg_putchar(' ');
5269 ++len;
5270 } while (len < 16);
5271
5272 len = 0;
5273
5274 /* Arguments */
5275 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5276 {
5277 case 0: IObuff[len++] = '0'; break;
5278 case (EXTRA): IObuff[len++] = '*'; break;
5279 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5280 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5281 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5282 }
5283
5284 do {
5285 IObuff[len++] = ' ';
5286 } while (len < 5);
5287
5288 /* Range */
5289 if (a & (RANGE|COUNT))
5290 {
5291 if (a & COUNT)
5292 {
5293 /* -count=N */
5294 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5295 len += (int)STRLEN(IObuff + len);
5296 }
5297 else if (a & DFLALL)
5298 IObuff[len++] = '%';
5299 else if (cmd->uc_def >= 0)
5300 {
5301 /* -range=N */
5302 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5303 len += (int)STRLEN(IObuff + len);
5304 }
5305 else
5306 IObuff[len++] = '.';
5307 }
5308
5309 do {
5310 IObuff[len++] = ' ';
5311 } while (len < 11);
5312
5313 /* Completion */
5314 for (j = 0; command_complete[j].expand != 0; ++j)
5315 if (command_complete[j].expand == cmd->uc_compl)
5316 {
5317 STRCPY(IObuff + len, command_complete[j].name);
5318 len += (int)STRLEN(IObuff + len);
5319 break;
5320 }
5321
5322 do {
5323 IObuff[len++] = ' ';
5324 } while (len < 21);
5325
5326 IObuff[len] = '\0';
5327 msg_outtrans(IObuff);
5328
5329 msg_outtrans_special(cmd->uc_rep, FALSE);
5330 #ifdef FEAT_EVAL
5331 if (p_verbose > 0)
5332 last_set_msg(cmd->uc_scriptID);
5333 #endif
5334 out_flush();
5335 ui_breakcheck();
5336 if (got_int)
5337 break;
5338 }
5339 if (gap == &ucmds || i < gap->ga_len)
5340 break;
5341 gap = &ucmds;
5342 }
5343
5344 if (!found)
5345 MSG(_("No user-defined commands found"));
5346 }
5347
5348 static char_u *
5349 uc_fun_cmd()
5350 {
5351 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5352 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5353 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5354 0xb9, 0x7f, 0};
5355 int i;
5356
5357 for (i = 0; fcmd[i]; ++i)
5358 IObuff[i] = fcmd[i] - 0x40;
5359 IObuff[i] = 0;
5360 return IObuff;
5361 }
5362
5363 static int
5364 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5365 char_u *attr;
5366 size_t len;
5367 long *argt;
5368 long *def;
5369 int *flags;
5370 int *compl;
5371 char_u **compl_arg;
5372 {
5373 char_u *p;
5374
5375 if (len == 0)
5376 {
5377 EMSG(_("E175: No attribute specified"));
5378 return FAIL;
5379 }
5380
5381 /* First, try the simple attributes (no arguments) */
5382 if (STRNICMP(attr, "bang", len) == 0)
5383 *argt |= BANG;
5384 else if (STRNICMP(attr, "buffer", len) == 0)
5385 *flags |= UC_BUFFER;
5386 else if (STRNICMP(attr, "register", len) == 0)
5387 *argt |= REGSTR;
5388 else if (STRNICMP(attr, "bar", len) == 0)
5389 *argt |= TRLBAR;
5390 else
5391 {
5392 int i;
5393 char_u *val = NULL;
5394 size_t vallen = 0;
5395 size_t attrlen = len;
5396
5397 /* Look for the attribute name - which is the part before any '=' */
5398 for (i = 0; i < (int)len; ++i)
5399 {
5400 if (attr[i] == '=')
5401 {
5402 val = &attr[i + 1];
5403 vallen = len - i - 1;
5404 attrlen = i;
5405 break;
5406 }
5407 }
5408
5409 if (STRNICMP(attr, "nargs", attrlen) == 0)
5410 {
5411 if (vallen == 1)
5412 {
5413 if (*val == '0')
5414 /* Do nothing - this is the default */;
5415 else if (*val == '1')
5416 *argt |= (EXTRA | NOSPC | NEEDARG);
5417 else if (*val == '*')
5418 *argt |= EXTRA;
5419 else if (*val == '?')
5420 *argt |= (EXTRA | NOSPC);
5421 else if (*val == '+')
5422 *argt |= (EXTRA | NEEDARG);
5423 else
5424 goto wrong_nargs;
5425 }
5426 else
5427 {
5428 wrong_nargs:
5429 EMSG(_("E176: Invalid number of arguments"));
5430 return FAIL;
5431 }
5432 }
5433 else if (STRNICMP(attr, "range", attrlen) == 0)
5434 {
5435 *argt |= RANGE;
5436 if (vallen == 1 && *val == '%')
5437 *argt |= DFLALL;
5438 else if (val != NULL)
5439 {
5440 p = val;
5441 if (*def >= 0)
5442 {
5443 two_count:
5444 EMSG(_("E177: Count cannot be specified twice"));
5445 return FAIL;
5446 }
5447
5448 *def = getdigits(&p);
5449 *argt |= (ZEROR | NOTADR);
5450
5451 if (p != val + vallen || vallen == 0)
5452 {
5453 invalid_count:
5454 EMSG(_("E178: Invalid default value for count"));
5455 return FAIL;
5456 }
5457 }
5458 }
5459 else if (STRNICMP(attr, "count", attrlen) == 0)
5460 {
5461 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5462
5463 if (val != NULL)
5464 {
5465 p = val;
5466 if (*def >= 0)
5467 goto two_count;
5468
5469 *def = getdigits(&p);
5470
5471 if (p != val + vallen)
5472 goto invalid_count;
5473 }
5474
5475 if (*def < 0)
5476 *def = 0;
5477 }
5478 else if (STRNICMP(attr, "complete", attrlen) == 0)
5479 {
5480 if (val == NULL)
5481 {
5482 EMSG(_("E179: argument required for -complete"));
5483 return FAIL;
5484 }
5485
5486 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5487 == FAIL)
5488 return FAIL;
5489 }
5490 else
5491 {
5492 char_u ch = attr[len];
5493 attr[len] = '\0';
5494 EMSG2(_("E181: Invalid attribute: %s"), attr);
5495 attr[len] = ch;
5496 return FAIL;
5497 }
5498 }
5499
5500 return OK;
5501 }
5502
5503 static void
5504 ex_command(eap)
5505 exarg_T *eap;
5506 {
5507 char_u *name;
5508 char_u *end;
5509 char_u *p;
5510 long argt = 0;
5511 long def = -1;
5512 int flags = 0;
5513 int compl = EXPAND_NOTHING;
5514 char_u *compl_arg = NULL;
5515 int has_attr = (eap->arg[0] == '-');
5516
5517 p = eap->arg;
5518
5519 /* Check for attributes */
5520 while (*p == '-')
5521 {
5522 ++p;
5523 end = skiptowhite(p);
5524 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5525 == FAIL)
5526 return;
5527 p = skipwhite(end);
5528 }
5529
5530 /* Get the name (if any) and skip to the following argument */
5531 name = p;
5532 if (ASCII_ISALPHA(*p))
5533 while (ASCII_ISALNUM(*p))
5534 ++p;
5535 if (!ends_excmd(*p) && !vim_iswhite(*p))
5536 {
5537 EMSG(_("E182: Invalid command name"));
5538 return;
5539 }
5540 end = p;
5541
5542 /* If there is nothing after the name, and no attributes were specified,
5543 * we are listing commands
5544 */
5545 p = skipwhite(end);
5546 if (!has_attr && ends_excmd(*p))
5547 {
5548 uc_list(name, end - name);
5549 }
5550 else if (!ASCII_ISUPPER(*name))
5551 {
5552 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5553 return;
5554 }
5555 else
5556 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5557 eap->forceit);
5558 }
5559
5560 /*
5561 * ":comclear"
5562 * Clear all user commands, global and for current buffer.
5563 */
5564 /*ARGSUSED*/
5565 void
5566 ex_comclear(eap)
5567 exarg_T *eap;
5568 {
5569 uc_clear(&ucmds);
5570 uc_clear(&curbuf->b_ucmds);
5571 }
5572
5573 /*
5574 * Clear all user commands for "gap".
5575 */
5576 void
5577 uc_clear(gap)
5578 garray_T *gap;
5579 {
5580 int i;
5581 ucmd_T *cmd;
5582
5583 for (i = 0; i < gap->ga_len; ++i)
5584 {
5585 cmd = USER_CMD_GA(gap, i);
5586 vim_free(cmd->uc_name);
5587 vim_free(cmd->uc_rep);
5588 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5589 vim_free(cmd->uc_compl_arg);
5590 # endif
5591 }
5592 ga_clear(gap);
5593 }
5594
5595 static void
5596 ex_delcommand(eap)
5597 exarg_T *eap;
5598 {
5599 int i = 0;
5600 ucmd_T *cmd = NULL;
5601 int cmp = -1;
5602 garray_T *gap;
5603
5604 gap = &curbuf->b_ucmds;
5605 for (;;)
5606 {
5607 for (i = 0; i < gap->ga_len; ++i)
5608 {
5609 cmd = USER_CMD_GA(gap, i);
5610 cmp = STRCMP(eap->arg, cmd->uc_name);
5611 if (cmp <= 0)
5612 break;
5613 }
5614 if (gap == &ucmds || cmp == 0)
5615 break;
5616 gap = &ucmds;
5617 }
5618
5619 if (cmp != 0)
5620 {
5621 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5622 return;
5623 }
5624
5625 vim_free(cmd->uc_name);
5626 vim_free(cmd->uc_rep);
5627 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5628 vim_free(cmd->uc_compl_arg);
5629 # endif
5630
5631 --gap->ga_len;
5632
5633 if (i < gap->ga_len)
5634 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5635 }
5636
5637 /*
5638 * split and quote args for <f-args>
5639 */
5640 static char_u *
5641 uc_split_args(arg, lenp)
5642 char_u *arg;
5643 size_t *lenp;
5644 {
5645 char_u *buf;
5646 char_u *p;
5647 char_u *q;
5648 int len;
5649
5650 /* Precalculate length */
5651 p = arg;
5652 len = 2; /* Initial and final quotes */
5653
5654 while (*p)
5655 {
5656 if (p[0] == '\\' && p[1] == '\\')
5657 {
5658 len += 2;
5659 p += 2;
5660 }
5661 else if (p[0] == '\\' && vim_iswhite(p[1]))
5662 {
5663 len += 1;
5664 p += 2;
5665 }
5666 else if (*p == '\\' || *p == '"')
5667 {
5668 len += 2;
5669 p += 1;
5670 }
5671 else if (vim_iswhite(*p))
5672 {
5673 p = skipwhite(p);
5674 if (*p == NUL)
5675 break;
5676 len += 3; /* "," */
5677 }
5678 else
5679 {
5680 ++len;
5681 ++p;
5682 }
5683 }
5684
5685 buf = alloc(len + 1);
5686 if (buf == NULL)
5687 {
5688 *lenp = 0;
5689 return buf;
5690 }
5691
5692 p = arg;
5693 q = buf;
5694 *q++ = '"';
5695 while (*p)
5696 {
5697 if (p[0] == '\\' && p[1] == '\\')
5698 {
5699 *q++ = '\\';
5700 *q++ = '\\';
5701 p += 2;
5702 }
5703 else if (p[0] == '\\' && vim_iswhite(p[1]))
5704 {
5705 *q++ = p[1];
5706 p += 2;
5707 }
5708 else if (*p == '\\' || *p == '"')
5709 {
5710 *q++ = '\\';
5711 *q++ = *p++;
5712 }
5713 else if (vim_iswhite(*p))
5714 {
5715 p = skipwhite(p);
5716 if (*p == NUL)
5717 break;
5718 *q++ = '"';
5719 *q++ = ',';
5720 *q++ = '"';
5721 }
5722 else
5723 {
5724 *q++ = *p++;
5725 }
5726 }
5727 *q++ = '"';
5728 *q = 0;
5729
5730 *lenp = len;
5731 return buf;
5732 }
5733
5734 /*
5735 * Check for a <> code in a user command.
5736 * "code" points to the '<'. "len" the length of the <> (inclusive).
5737 * "buf" is where the result is to be added.
5738 * "split_buf" points to a buffer used for splitting, caller should free it.
5739 * "split_len" is the length of what "split_buf" contains.
5740 * Returns the length of the replacement, which has been added to "buf".
5741 * Returns -1 if there was no match, and only the "<" has been copied.
5742 */
5743 static size_t
5744 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5745 char_u *code;
5746 size_t len;
5747 char_u *buf;
5748 ucmd_T *cmd; /* the user command we're expanding */
5749 exarg_T *eap; /* ex arguments */
5750 char_u **split_buf;
5751 size_t *split_len;
5752 {
5753 size_t result = 0;
5754 char_u *p = code + 1;
5755 size_t l = len - 2;
5756 int quote = 0;
5757 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5758 ct_LT, ct_NONE } type = ct_NONE;
5759
5760 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5761 {
5762 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5763 p += 2;
5764 l -= 2;
5765 }
5766
5767 ++l;
5768 if (l <= 1)
5769 type = ct_NONE;
5770 else if (STRNICMP(p, "args>", l) == 0)
5771 type = ct_ARGS;
5772 else if (STRNICMP(p, "bang>", l) == 0)
5773 type = ct_BANG;
5774 else if (STRNICMP(p, "count>", l) == 0)
5775 type = ct_COUNT;
5776 else if (STRNICMP(p, "line1>", l) == 0)
5777 type = ct_LINE1;
5778 else if (STRNICMP(p, "line2>", l) == 0)
5779 type = ct_LINE2;
5780 else if (STRNICMP(p, "lt>", l) == 0)
5781 type = ct_LT;
5782 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5783 type = ct_REGISTER;
5784
5785 switch (type)
5786 {
5787 case ct_ARGS:
5788 /* Simple case first */
5789 if (*eap->arg == NUL)
5790 {
5791 if (quote == 1)
5792 {
5793 result = 2;
5794 if (buf != NULL)
5795 STRCPY(buf, "''");
5796 }
5797 else
5798 result = 0;
5799 break;
5800 }
5801
5802 /* When specified there is a single argument don't split it.
5803 * Works for ":Cmd %" when % is "a b c". */
5804 if ((eap->argt & NOSPC) && quote == 2)
5805 quote = 1;
5806
5807 switch (quote)
5808 {
5809 case 0: /* No quoting, no splitting */
5810 result = STRLEN(eap->arg);
5811 if (buf != NULL)
5812 STRCPY(buf, eap->arg);
5813 break;
5814 case 1: /* Quote, but don't split */
5815 result = STRLEN(eap->arg) + 2;
5816 for (p = eap->arg; *p; ++p)
5817 {
5818 if (*p == '\\' || *p == '"')
5819 ++result;
5820 }
5821
5822 if (buf != NULL)
5823 {
5824 *buf++ = '"';
5825 for (p = eap->arg; *p; ++p)
5826 {
5827 if (*p == '\\' || *p == '"')
5828 *buf++ = '\\';
5829 *buf++ = *p;
5830 }
5831 *buf = '"';
5832 }
5833
5834 break;
5835 case 2: /* Quote and split (<f-args>) */
5836 /* This is hard, so only do it once, and cache the result */
5837 if (*split_buf == NULL)
5838 *split_buf = uc_split_args(eap->arg, split_len);
5839
5840 result = *split_len;
5841 if (buf != NULL && result != 0)
5842 STRCPY(buf, *split_buf);
5843
5844 break;
5845 }
5846 break;
5847
5848 case ct_BANG:
5849 result = eap->forceit ? 1 : 0;
5850 if (quote)
5851 result += 2;
5852 if (buf != NULL)
5853 {
5854 if (quote)
5855 *buf++ = '"';
5856 if (eap->forceit)
5857 *buf++ = '!';
5858 if (quote)
5859 *buf = '"';
5860 }
5861 break;
5862
5863 case ct_LINE1:
5864 case ct_LINE2:
5865 case ct_COUNT:
5866 {
5867 char num_buf[20];
5868 long num = (type == ct_LINE1) ? eap->line1 :
5869 (type == ct_LINE2) ? eap->line2 :
5870 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5871 size_t num_len;
5872
5873 sprintf(num_buf, "%ld", num);
5874 num_len = STRLEN(num_buf);
5875 result = num_len;
5876
5877 if (quote)
5878 result += 2;
5879
5880 if (buf != NULL)
5881 {
5882 if (quote)
5883 *buf++ = '"';
5884 STRCPY(buf, num_buf);
5885 buf += num_len;
5886 if (quote)
5887 *buf = '"';
5888 }
5889
5890 break;
5891 }
5892
5893 case ct_REGISTER:
5894 result = eap->regname ? 1 : 0;
5895 if (quote)
5896 result += 2;
5897 if (buf != NULL)
5898 {
5899 if (quote)
5900 *buf++ = '\'';
5901 if (eap->regname)
5902 *buf++ = eap->regname;
5903 if (quote)
5904 *buf = '\'';
5905 }
5906 break;
5907
5908 case ct_LT:
5909 result = 1;
5910 if (buf != NULL)
5911 *buf = '<';
5912 break;
5913
5914 default:
5915 /* Not recognized: just copy the '<' and return -1. */
5916 result = (size_t)-1;
5917 if (buf != NULL)
5918 *buf = '<';
5919 break;
5920 }
5921
5922 return result;
5923 }
5924
5925 static void
5926 do_ucmd(eap)
5927 exarg_T *eap;
5928 {
5929 char_u *buf;
5930 char_u *p;
5931 char_u *q;
5932
5933 char_u *start;
5934 char_u *end;
5935 size_t len, totlen;
5936
5937 size_t split_len = 0;
5938 char_u *split_buf = NULL;
5939 ucmd_T *cmd;
5940 #ifdef FEAT_EVAL
5941 scid_T save_current_SID = current_SID;
5942 #endif
5943
5944 if (eap->cmdidx == CMD_USER)
5945 cmd = USER_CMD(eap->useridx);
5946 else
5947 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5948
5949 /*
5950 * Replace <> in the command by the arguments.
5951 */
5952 buf = NULL;
5953 for (;;)
5954 {
5955 p = cmd->uc_rep;
5956 q = buf;
5957 totlen = 0;
5958 while ((start = vim_strchr(p, '<')) != NULL
5959 && (end = vim_strchr(start + 1, '>')) != NULL)
5960 {
5961 /* Include the '>' */
5962 ++end;
5963
5964 /* Take everything up to the '<' */
5965 len = start - p;
5966 if (buf == NULL)
5967 totlen += len;
5968 else
5969 {
5970 mch_memmove(q, p, len);
5971 q += len;
5972 }
5973
5974 len = uc_check_code(start, end - start, q, cmd, eap,
5975 &split_buf, &split_len);
5976 if (len == (size_t)-1)
5977 {
5978 /* no match, continue after '<' */
5979 p = start + 1;
5980 len = 1;
5981 }
5982 else
5983 p = end;
5984 if (buf == NULL)
5985 totlen += len;
5986 else
5987 q += len;
5988 }
5989 if (buf != NULL) /* second time here, finished */
5990 {
5991 STRCPY(q, p);
5992 break;
5993 }
5994
5995 totlen += STRLEN(p); /* Add on the trailing characters */
5996 buf = alloc((unsigned)(totlen + 1));
5997 if (buf == NULL)
5998 {
5999 vim_free(split_buf);
6000 return;
6001 }
6002 }
6003
6004 #ifdef FEAT_EVAL
6005 current_SID = cmd->uc_scriptID;
6006 #endif
6007 (void)do_cmdline(buf, eap->getline, eap->cookie,
6008 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6009 #ifdef FEAT_EVAL
6010 current_SID = save_current_SID;
6011 #endif
6012 vim_free(buf);
6013 vim_free(split_buf);
6014 }
6015
6016 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6017 static char_u *
6018 get_user_command_name(idx)
6019 int idx;
6020 {
6021 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6022 }
6023
6024 /*
6025 * Function given to ExpandGeneric() to obtain the list of user command names.
6026 */
6027 /*ARGSUSED*/
6028 char_u *
6029 get_user_commands(xp, idx)
6030 expand_T *xp;
6031 int idx;
6032 {
6033 if (idx < curbuf->b_ucmds.ga_len)
6034 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6035 idx -= curbuf->b_ucmds.ga_len;
6036 if (idx < ucmds.ga_len)
6037 return USER_CMD(idx)->uc_name;
6038 return NULL;
6039 }
6040
6041 /*
6042 * Function given to ExpandGeneric() to obtain the list of user command
6043 * attributes.
6044 */
6045 /*ARGSUSED*/
6046 char_u *
6047 get_user_cmd_flags(xp, idx)
6048 expand_T *xp;
6049 int idx;
6050 {
6051 static char *user_cmd_flags[] =
6052 {"bang", "bar", "buffer", "complete", "count",
6053 "nargs", "range", "register"};
6054
6055 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6056 return NULL;
6057 return (char_u *)user_cmd_flags[idx];
6058 }
6059
6060 /*
6061 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6062 */
6063 /*ARGSUSED*/
6064 char_u *
6065 get_user_cmd_nargs(xp, idx)
6066 expand_T *xp;
6067 int idx;
6068 {
6069 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6070
6071 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6072 return NULL;
6073 return (char_u *)user_cmd_nargs[idx];
6074 }
6075
6076 /*
6077 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6078 */
6079 /*ARGSUSED*/
6080 char_u *
6081 get_user_cmd_complete(xp, idx)
6082 expand_T *xp;
6083 int idx;
6084 {
6085 return (char_u *)command_complete[idx].name;
6086 }
6087 # endif /* FEAT_CMDL_COMPL */
6088
6089 #endif /* FEAT_USR_CMDS */
6090
6091 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6092 /*
6093 * Parse a completion argument "value[vallen]".
6094 * The detected completion goes in "*complp", argument type in "*argt".
6095 * When there is an argument, for function and user defined completion, it's
6096 * copied to allocated memory and stored in "*compl_arg".
6097 * Returns FAIL if something is wrong.
6098 */
6099 int
6100 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6101 char_u *value;
6102 int vallen;
6103 int *complp;
6104 long *argt;
6105 char_u **compl_arg;
6106 {
6107 char_u *arg = NULL;
6108 size_t arglen = 0;
6109 int i;
6110 int valend = vallen;
6111
6112 /* Look for any argument part - which is the part after any ',' */
6113 for (i = 0; i < vallen; ++i)
6114 {
6115 if (value[i] == ',')
6116 {
6117 arg = &value[i + 1];
6118 arglen = vallen - i - 1;
6119 valend = i;
6120 break;
6121 }
6122 }
6123
6124 for (i = 0; command_complete[i].expand != 0; ++i)
6125 {
6126 if ((int)STRLEN(command_complete[i].name) == valend
6127 && STRNCMP(value, command_complete[i].name, valend) == 0)
6128 {
6129 *complp = command_complete[i].expand;
6130 if (command_complete[i].expand == EXPAND_BUFFERS)
6131 *argt |= BUFNAME;
6132 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6133 || command_complete[i].expand == EXPAND_FILES)
6134 *argt |= XFILE;
6135 break;
6136 }
6137 }
6138
6139 if (command_complete[i].expand == 0)
6140 {
6141 EMSG2(_("E180: Invalid complete value: %s"), value);
6142 return FAIL;
6143 }
6144
6145 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6146 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6147 && arg != NULL)
6148 # else
6149 if (arg != NULL)
6150 # endif
6151 {
6152 EMSG(_("E468: Completion argument only allowed for custom completion"));
6153 return FAIL;
6154 }
6155
6156 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6157 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6158 && arg == NULL)
6159 {
6160 EMSG(_("E467: Custom completion requires a function argument"));
6161 return FAIL;
6162 }
6163
6164 if (arg != NULL)
6165 *compl_arg = vim_strnsave(arg, (int)arglen);
6166 # endif
6167 return OK;
6168 }
6169 #endif
6170
6171 static void
6172 ex_colorscheme(eap)
6173 exarg_T *eap;
6174 {
6175 if (load_colors(eap->arg) == FAIL)
6176 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6177 }
6178
6179 static void
6180 ex_highlight(eap)
6181 exarg_T *eap;
6182 {
6183 if (*eap->arg == NUL && eap->cmd[2] == '!')
6184 MSG(_("Greetings, Vim user!"));
6185 do_highlight(eap->arg, eap->forceit, FALSE);
6186 }
6187
6188
6189 /*
6190 * Call this function if we thought we were going to exit, but we won't
6191 * (because of an error). May need to restore the terminal mode.
6192 */
6193 void
6194 not_exiting()
6195 {
6196 exiting = FALSE;
6197 settmode(TMODE_RAW);
6198 }
6199
6200 /*
6201 * ":quit": quit current window, quit Vim if closed the last window.
6202 */
6203 static void
6204 ex_quit(eap)
6205 exarg_T *eap;
6206 {
6207 #ifdef FEAT_CMDWIN
6208 if (cmdwin_type != 0)
6209 {
6210 cmdwin_result = Ctrl_C;
6211 return;
6212 }
6213 #endif
6214 /* Don't quit while editing the command line. */
6215 if (text_locked())
6216 {
6217 text_locked_msg();
6218 return;
6219 }
6220 #ifdef FEAT_AUTOCMD
6221 if (curbuf_locked())
6222 return;
6223 #endif
6224
6225 #ifdef FEAT_NETBEANS_INTG
6226 netbeansForcedQuit = eap->forceit;
6227 #endif
6228
6229 /*
6230 * If there are more files or windows we won't exit.
6231 */
6232 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6233 exiting = TRUE;
6234 if ((!P_HID(curbuf)
6235 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6236 || check_more(TRUE, eap->forceit) == FAIL
6237 || (only_one_window() && check_changed_any(eap->forceit)))
6238 {
6239 not_exiting();
6240 }
6241 else
6242 {
6243 #ifdef FEAT_WINDOWS
6244 if (only_one_window()) /* quit last window */
6245 #endif
6246 getout(0);
6247 #ifdef FEAT_WINDOWS
6248 # ifdef FEAT_GUI
6249 need_mouse_correct = TRUE;
6250 # endif
6251 /* close window; may free buffer */
6252 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6253 #endif
6254 }
6255 }
6256
6257 /*
6258 * ":cquit".
6259 */
6260 /*ARGSUSED*/
6261 static void
6262 ex_cquit(eap)
6263 exarg_T *eap;
6264 {
6265 getout(1); /* this does not always pass on the exit code to the Manx
6266 compiler. why? */
6267 }
6268
6269 /*
6270 * ":qall": try to quit all windows
6271 */
6272 static void
6273 ex_quit_all(eap)
6274 exarg_T *eap;
6275 {
6276 # ifdef FEAT_CMDWIN
6277 if (cmdwin_type != 0)
6278 {
6279 if (eap->forceit)
6280 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6281 else
6282 cmdwin_result = K_XF2;
6283 return;
6284 }
6285 # endif
6286
6287 /* Don't quit while editing the command line. */
6288 if (text_locked())
6289 {
6290 text_locked_msg();
6291 return;
6292 }
6293 #ifdef FEAT_AUTOCMD
6294 if (curbuf_locked())
6295 return;
6296 #endif
6297
6298 exiting = TRUE;
6299 if (eap->forceit || !check_changed_any(FALSE))
6300 getout(0);
6301 not_exiting();
6302 }
6303
6304 #if defined(FEAT_WINDOWS) || defined(PROTO)
6305 /*
6306 * ":close": close current window, unless it is the last one
6307 */
6308 static void
6309 ex_close(eap)
6310 exarg_T *eap;
6311 {
6312 # ifdef FEAT_CMDWIN
6313 if (cmdwin_type != 0)
6314 cmdwin_result = K_IGNORE;
6315 else
6316 # endif
6317 if (!text_locked()
6318 #ifdef FEAT_AUTOCMD
6319 && !curbuf_locked()
6320 #endif
6321 )
6322 ex_win_close(eap->forceit, curwin, NULL);
6323 }
6324
6325 # ifdef FEAT_QUICKFIX
6326 /*
6327 * ":pclose": Close any preview window.
6328 */
6329 static void
6330 ex_pclose(eap)
6331 exarg_T *eap;
6332 {
6333 win_T *win;
6334
6335 for (win = firstwin; win != NULL; win = win->w_next)
6336 if (win->w_p_pvw)
6337 {
6338 ex_win_close(eap->forceit, win, NULL);
6339 break;
6340 }
6341 }
6342 # endif
6343
6344 /*
6345 * Close window "win" and take care of handling closing the last window for a
6346 * modified buffer.
6347 */
6348 static void
6349 ex_win_close(forceit, win, tp)
6350 int forceit;
6351 win_T *win;
6352 tabpage_T *tp; /* NULL or the tab page "win" is in */
6353 {
6354 int need_hide;
6355 buf_T *buf = win->w_buffer;
6356
6357 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6358 if (need_hide && !P_HID(buf) && !forceit)
6359 {
6360 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6361 if ((p_confirm || cmdmod.confirm) && p_write)
6362 {
6363 dialog_changed(buf, FALSE);
6364 if (buf_valid(buf) && bufIsChanged(buf))
6365 return;
6366 need_hide = FALSE;
6367 }
6368 else
6369 # endif
6370 {
6371 EMSG(_(e_nowrtmsg));
6372 return;
6373 }
6374 }
6375
6376 # ifdef FEAT_GUI
6377 need_mouse_correct = TRUE;
6378 # endif
6379
6380 /* free buffer when not hiding it or when it's a scratch buffer */
6381 if (tp == NULL)
6382 win_close(win, !need_hide && !P_HID(buf));
6383 else
6384 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6385 }
6386
6387 /*
6388 * ":tabclose": close current tab page, unless it is the last one.
6389 * ":tabclose N": close tab page N.
6390 */
6391 static void
6392 ex_tabclose(eap)
6393 exarg_T *eap;
6394 {
6395 tabpage_T *tp;
6396
6397 # ifdef FEAT_CMDWIN
6398 if (cmdwin_type != 0)
6399 cmdwin_result = K_IGNORE;
6400 else
6401 # endif
6402 if (first_tabpage->tp_next == NULL)
6403 EMSG(_("E784: Cannot close last tab page"));
6404 else
6405 {
6406 if (eap->addr_count > 0)
6407 {
6408 tp = find_tabpage((int)eap->line2);
6409 if (tp == NULL)
6410 {
6411 beep_flush();
6412 return;
6413 }
6414 if (tp != curtab)
6415 {
6416 tabpage_close_other(tp, eap->forceit);
6417 return;
6418 }
6419 }
6420 if (!text_locked()
6421 #ifdef FEAT_AUTOCMD
6422 && !curbuf_locked()
6423 #endif
6424 )
6425 tabpage_close(eap->forceit);
6426 }
6427 }
6428
6429 /*
6430 * ":tabonly": close all tab pages except the current one
6431 */
6432 static void
6433 ex_tabonly(eap)
6434 exarg_T *eap;
6435 {
6436 tabpage_T *tp;
6437 int done;
6438
6439 # ifdef FEAT_CMDWIN
6440 if (cmdwin_type != 0)
6441 cmdwin_result = K_IGNORE;
6442 else
6443 # endif
6444 if (first_tabpage->tp_next == NULL)
6445 MSG(_("Already only one tab page"));
6446 else
6447 {
6448 /* Repeat this up to a 1000 times, because autocommands may mess
6449 * up the lists. */
6450 for (done = 0; done < 1000; ++done)
6451 {
6452 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6453 if (tp->tp_topframe != topframe)
6454 {
6455 tabpage_close_other(tp, eap->forceit);
6456 /* if we failed to close it quit */
6457 if (valid_tabpage(tp))
6458 done = 1000;
6459 /* start over, "tp" is now invalid */
6460 break;
6461 }
6462 if (first_tabpage->tp_next == NULL)
6463 break;
6464 }
6465 }
6466 }
6467
6468 /*
6469 * Close the current tab page.
6470 */
6471 void
6472 tabpage_close(forceit)
6473 int forceit;
6474 {
6475 /* First close all the windows but the current one. If that worked then
6476 * close the last window in this tab, that will close it. */
6477 if (lastwin != firstwin)
6478 close_others(TRUE, forceit);
6479 if (lastwin == firstwin)
6480 ex_win_close(forceit, curwin, NULL);
6481 # ifdef FEAT_GUI
6482 need_mouse_correct = TRUE;
6483 # endif
6484 }
6485
6486 /*
6487 * Close tab page "tp", which is not the current tab page.
6488 * Note that autocommands may make "tp" invalid.
6489 * Also takes care of the tab pages line disappearing when closing the
6490 * last-but-one tab page.
6491 */
6492 void
6493 tabpage_close_other(tp, forceit)
6494 tabpage_T *tp;
6495 int forceit;
6496 {
6497 int done = 0;
6498 win_T *wp;
6499 int h = tabline_height();
6500
6501 /* Limit to 1000 windows, autocommands may add a window while we close
6502 * one. OK, so I'm paranoid... */
6503 while (++done < 1000)
6504 {
6505 wp = tp->tp_firstwin;
6506 ex_win_close(forceit, wp, tp);
6507
6508 /* Autocommands may delete the tab page under our fingers and we may
6509 * fail to close a window with a modified buffer. */
6510 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6511 break;
6512 }
6513
6514 redraw_tabline = TRUE;
6515 if (h != tabline_height())
6516 shell_new_rows();
6517 }
6518
6519 /*
6520 * ":only".
6521 */
6522 static void
6523 ex_only(eap)
6524 exarg_T *eap;
6525 {
6526 # ifdef FEAT_GUI
6527 need_mouse_correct = TRUE;
6528 # endif
6529 close_others(TRUE, eap->forceit);
6530 }
6531
6532 /*
6533 * ":all" and ":sall".
6534 * Also used for ":tab drop file ..." after setting the argument list.
6535 */
6536 void
6537 ex_all(eap)
6538 exarg_T *eap;
6539 {
6540 if (eap->addr_count == 0)
6541 eap->line2 = 9999;
6542 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6543 }
6544 #endif /* FEAT_WINDOWS */
6545
6546 static void
6547 ex_hide(eap)
6548 exarg_T *eap;
6549 {
6550 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6551 eap->errmsg = e_invarg;
6552 else
6553 {
6554 /* ":hide" or ":hide | cmd": hide current window */
6555 eap->nextcmd = check_nextcmd(eap->arg);
6556 #ifdef FEAT_WINDOWS
6557 if (!eap->skip)
6558 {
6559 # ifdef FEAT_GUI
6560 need_mouse_correct = TRUE;
6561 # endif
6562 win_close(curwin, FALSE); /* don't free buffer */
6563 }
6564 #endif
6565 }
6566 }
6567
6568 /*
6569 * ":stop" and ":suspend": Suspend Vim.
6570 */
6571 static void
6572 ex_stop(eap)
6573 exarg_T *eap;
6574 {
6575 /*
6576 * Disallow suspending for "rvim".
6577 */
6578 if (!check_restricted()
6579 #ifdef WIN3264
6580 /*
6581 * Check if external commands are allowed now.
6582 */
6583 && can_end_termcap_mode(TRUE)
6584 #endif
6585 )
6586 {
6587 if (!eap->forceit)
6588 autowrite_all();
6589 windgoto((int)Rows - 1, 0);
6590 out_char('\n');
6591 out_flush();
6592 stoptermcap();
6593 out_flush(); /* needed for SUN to restore xterm buffer */
6594 #ifdef FEAT_TITLE
6595 mch_restore_title(3); /* restore window titles */
6596 #endif
6597 ui_suspend(); /* call machine specific function */
6598 #ifdef FEAT_TITLE
6599 maketitle();
6600 resettitle(); /* force updating the title */
6601 #endif
6602 starttermcap();
6603 scroll_start(); /* scroll screen before redrawing */
6604 redraw_later_clear();
6605 shell_resized(); /* may have resized window */
6606 }
6607 }
6608
6609 /*
6610 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6611 */
6612 static void
6613 ex_exit(eap)
6614 exarg_T *eap;
6615 {
6616 #ifdef FEAT_CMDWIN
6617 if (cmdwin_type != 0)
6618 {
6619 cmdwin_result = Ctrl_C;
6620 return;
6621 }
6622 #endif
6623 /* Don't quit while editing the command line. */
6624 if (text_locked())
6625 {
6626 text_locked_msg();
6627 return;
6628 }
6629 #ifdef FEAT_AUTOCMD
6630 if (curbuf_locked())
6631 return;
6632 #endif
6633
6634 /*
6635 * if more files or windows we won't exit
6636 */
6637 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6638 exiting = TRUE;
6639 if ( ((eap->cmdidx == CMD_wq
6640 || curbufIsChanged())
6641 && do_write(eap) == FAIL)
6642 || check_more(TRUE, eap->forceit) == FAIL
6643 || (only_one_window() && check_changed_any(eap->forceit)))
6644 {
6645 not_exiting();
6646 }
6647 else
6648 {
6649 #ifdef FEAT_WINDOWS
6650 if (only_one_window()) /* quit last window, exit Vim */
6651 #endif
6652 getout(0);
6653 #ifdef FEAT_WINDOWS
6654 # ifdef FEAT_GUI
6655 need_mouse_correct = TRUE;
6656 # endif
6657 /* quit current window, may free buffer */
6658 win_close(curwin, !P_HID(curwin->w_buffer));
6659 #endif
6660 }
6661 }
6662
6663 /*
6664 * ":print", ":list", ":number".
6665 */
6666 static void
6667 ex_print(eap)
6668 exarg_T *eap;
6669 {
6670 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6671 EMSG(_(e_emptybuf));
6672 else
6673 {
6674 for ( ;!got_int; ui_breakcheck())
6675 {
6676 print_line(eap->line1,
6677 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6678 || (eap->flags & EXFLAG_NR)),
6679 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6680 if (++eap->line1 > eap->line2)
6681 break;
6682 out_flush(); /* show one line at a time */
6683 }
6684 setpcmark();
6685 /* put cursor at last line */
6686 curwin->w_cursor.lnum = eap->line2;
6687 beginline(BL_SOL | BL_FIX);
6688 }
6689
6690 ex_no_reprint = TRUE;
6691 }
6692
6693 #ifdef FEAT_BYTEOFF
6694 static void
6695 ex_goto(eap)
6696 exarg_T *eap;
6697 {
6698 goto_byte(eap->line2);
6699 }
6700 #endif
6701
6702 /*
6703 * ":shell".
6704 */
6705 /*ARGSUSED*/
6706 static void
6707 ex_shell(eap)
6708 exarg_T *eap;
6709 {
6710 do_shell(NULL, 0);
6711 }
6712
6713 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6714 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6715 || defined(FEAT_GUI_MSWIN) \
6716 || defined(FEAT_GUI_MAC) \
6717 || defined(PROTO) \
6718 || defined(FEAT_GUI_MACVIM)
6719
6720 /*
6721 * Handle a file drop. The code is here because a drop is *nearly* like an
6722 * :args command, but not quite (we have a list of exact filenames, so we
6723 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6724 * code is very similar to :args and hence needs access to a lot of the static
6725 * functions in this file.
6726 *
6727 * The list should be allocated using alloc(), as should each item in the
6728 * list. This function takes over responsibility for freeing the list.
6729 *
6730 * XXX The list is made into the argument list. This is freed using
6731 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6732 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6733 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6734 * file functionality is (currently) not in EMX this is not presently a
6735 * problem.
6736 */
6737 void
6738 handle_drop(filec, filev, split)
6739 int filec; /* the number of files dropped */
6740 char_u **filev; /* the list of files dropped */
6741 int split; /* force splitting the window */
6742 {
6743 exarg_T ea;
6744 int save_msg_scroll = msg_scroll;
6745
6746 /* Postpone this while editing the command line. */
6747 if (text_locked())
6748 return;
6749 #ifdef FEAT_AUTOCMD
6750 if (curbuf_locked())
6751 return;
6752 #endif
6753
6754 /* Check whether the current buffer is changed. If so, we will need
6755 * to split the current window or data could be lost.
6756 * We don't need to check if the 'hidden' option is set, as in this
6757 * case the buffer won't be lost.
6758 */
6759 if (!P_HID(curbuf) && !split)
6760 {
6761 ++emsg_off;
6762 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6763 --emsg_off;
6764 }
6765 if (split)
6766 {
6767 # ifdef FEAT_WINDOWS
6768 if (win_split(0, 0) == FAIL)
6769 return;
6770 # ifdef FEAT_SCROLLBIND
6771 curwin->w_p_scb = FALSE;
6772 # endif
6773
6774 /* When splitting the window, create a new alist. Otherwise the
6775 * existing one is overwritten. */
6776 alist_unlink(curwin->w_alist);
6777 alist_new();
6778 # else
6779 return; /* can't split, always fail */
6780 # endif
6781 }
6782
6783 /*
6784 * Set up the new argument list.
6785 */
6786 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6787
6788 /*
6789 * Move to the first file.
6790 */
6791 /* Fake up a minimal "next" command for do_argfile() */
6792 vim_memset(&ea, 0, sizeof(ea));
6793 ea.cmd = (char_u *)"next";
6794 do_argfile(&ea, 0);
6795
6796 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6797 * mode that is not needed here. */
6798 need_start_insertmode = FALSE;
6799
6800 /* Restore msg_scroll, otherwise a following command may cause scrolling
6801 * unexpectedly. The screen will be redrawn by the caller, thus
6802 * msg_scroll being set by displaying a message is irrelevant. */
6803 msg_scroll = save_msg_scroll;
6804 }
6805 #endif
6806
6807 /*
6808 * Clear an argument list: free all file names and reset it to zero entries.
6809 */
6810 void
6811 alist_clear(al)
6812 alist_T *al;
6813 {
6814 while (--al->al_ga.ga_len >= 0)
6815 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6816 ga_clear(&al->al_ga);
6817 }
6818
6819 /*
6820 * Init an argument list.
6821 */
6822 void
6823 alist_init(al)
6824 alist_T *al;
6825 {
6826 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6827 }
6828
6829 #if defined(FEAT_WINDOWS) || defined(PROTO)
6830
6831 /*
6832 * Remove a reference from an argument list.
6833 * Ignored when the argument list is the global one.
6834 * If the argument list is no longer used by any window, free it.
6835 */
6836 void
6837 alist_unlink(al)
6838 alist_T *al;
6839 {
6840 if (al != &global_alist && --al->al_refcount <= 0)
6841 {
6842 alist_clear(al);
6843 vim_free(al);
6844 }
6845 }
6846
6847 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6848 /*
6849 * Create a new argument list and use it for the current window.
6850 */
6851 void
6852 alist_new()
6853 {
6854 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6855 if (curwin->w_alist == NULL)
6856 {
6857 curwin->w_alist = &global_alist;
6858 ++global_alist.al_refcount;
6859 }
6860 else
6861 {
6862 curwin->w_alist->al_refcount = 1;
6863 alist_init(curwin->w_alist);
6864 }
6865 }
6866 # endif
6867 #endif
6868
6869 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6870 /*
6871 * Expand the file names in the global argument list.
6872 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6873 * numbers to be re-used.
6874 */
6875 void
6876 alist_expand(fnum_list, fnum_len)
6877 int *fnum_list;
6878 int fnum_len;
6879 {
6880 char_u **old_arg_files;
6881 int old_arg_count;
6882 char_u **new_arg_files;
6883 int new_arg_file_count;
6884 char_u *save_p_su = p_su;
6885 int i;
6886
6887 /* Don't use 'suffixes' here. This should work like the shell did the
6888 * expansion. Also, the vimrc file isn't read yet, thus the user
6889 * can't set the options. */
6890 p_su = empty_option;
6891 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6892 if (old_arg_files != NULL)
6893 {
6894 for (i = 0; i < GARGCOUNT; ++i)
6895 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6896 old_arg_count = GARGCOUNT;
6897 if (expand_wildcards(old_arg_count, old_arg_files,
6898 &new_arg_file_count, &new_arg_files,
6899 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6900 && new_arg_file_count > 0)
6901 {
6902 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6903 TRUE, fnum_list, fnum_len);
6904 FreeWild(old_arg_count, old_arg_files);
6905 }
6906 }
6907 p_su = save_p_su;
6908 }
6909 #endif
6910
6911 /*
6912 * Set the argument list for the current window.
6913 * Takes over the allocated files[] and the allocated fnames in it.
6914 */
6915 void
6916 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6917 alist_T *al;
6918 int count;
6919 char_u **files;
6920 int use_curbuf;
6921 int *fnum_list;
6922 int fnum_len;
6923 {
6924 int i;
6925
6926 alist_clear(al);
6927 if (ga_grow(&al->al_ga, count) == OK)
6928 {
6929 for (i = 0; i < count; ++i)
6930 {
6931 if (got_int)
6932 {
6933 /* When adding many buffers this can take a long time. Allow
6934 * interrupting here. */
6935 while (i < count)
6936 vim_free(files[i++]);
6937 break;
6938 }
6939
6940 /* May set buffer name of a buffer previously used for the
6941 * argument list, so that it's re-used by alist_add. */
6942 if (fnum_list != NULL && i < fnum_len)
6943 buf_set_name(fnum_list[i], files[i]);
6944
6945 alist_add(al, files[i], use_curbuf ? 2 : 1);
6946 ui_breakcheck();
6947 }
6948 vim_free(files);
6949 }
6950 else
6951 FreeWild(count, files);
6952 #ifdef FEAT_WINDOWS
6953 if (al == &global_alist)
6954 #endif
6955 arg_had_last = FALSE;
6956 }
6957
6958 /*
6959 * Add file "fname" to argument list "al".
6960 * "fname" must have been allocated and "al" must have been checked for room.
6961 */
6962 void
6963 alist_add(al, fname, set_fnum)
6964 alist_T *al;
6965 char_u *fname;
6966 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6967 {
6968 if (fname == NULL) /* don't add NULL file names */
6969 return;
6970 #ifdef BACKSLASH_IN_FILENAME
6971 slash_adjust(fname);
6972 #endif
6973 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6974 if (set_fnum > 0)
6975 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6976 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6977 ++al->al_ga.ga_len;
6978 }
6979
6980 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6981 /*
6982 * Adjust slashes in file names. Called after 'shellslash' was set.
6983 */
6984 void
6985 alist_slash_adjust()
6986 {
6987 int i;
6988 # ifdef FEAT_WINDOWS
6989 win_T *wp;
6990 tabpage_T *tp;
6991 # endif
6992
6993 for (i = 0; i < GARGCOUNT; ++i)
6994 if (GARGLIST[i].ae_fname != NULL)
6995 slash_adjust(GARGLIST[i].ae_fname);
6996 # ifdef FEAT_WINDOWS
6997 FOR_ALL_TAB_WINDOWS(tp, wp)
6998 if (wp->w_alist != &global_alist)
6999 for (i = 0; i < WARGCOUNT(wp); ++i)
7000 if (WARGLIST(wp)[i].ae_fname != NULL)
7001 slash_adjust(WARGLIST(wp)[i].ae_fname);
7002 # endif
7003 }
7004 #endif
7005
7006 /*
7007 * ":preserve".
7008 */
7009 /*ARGSUSED*/
7010 static void
7011 ex_preserve(eap)
7012 exarg_T *eap;
7013 {
7014 curbuf->b_flags |= BF_PRESERVED;
7015 ml_preserve(curbuf, TRUE);
7016 }
7017
7018 /*
7019 * ":recover".
7020 */
7021 static void
7022 ex_recover(eap)
7023 exarg_T *eap;
7024 {
7025 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7026 recoverymode = TRUE;
7027 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7028 && (*eap->arg == NUL
7029 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7030 ml_recover();
7031 recoverymode = FALSE;
7032 }
7033
7034 /*
7035 * Command modifier used in a wrong way.
7036 */
7037 static void
7038 ex_wrongmodifier(eap)
7039 exarg_T *eap;
7040 {
7041 eap->errmsg = e_invcmd;
7042 }
7043
7044 #ifdef FEAT_WINDOWS
7045 /*
7046 * :sview [+command] file split window with new file, read-only
7047 * :split [[+command] file] split window with current or new file
7048 * :vsplit [[+command] file] split window vertically with current or new file
7049 * :new [[+command] file] split window with no or new file
7050 * :vnew [[+command] file] split vertically window with no or new file
7051 * :sfind [+command] file split window with file in 'path'
7052 *
7053 * :tabedit open new Tab page with empty window
7054 * :tabedit [+command] file open new Tab page and edit "file"
7055 * :tabnew [[+command] file] just like :tabedit
7056 * :tabfind [+command] file open new Tab page and find "file"
7057 */
7058 void
7059 ex_splitview(eap)
7060 exarg_T *eap;
7061 {
7062 win_T *old_curwin = curwin;
7063 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7064 char_u *fname = NULL;
7065 # endif
7066 # ifdef FEAT_BROWSE
7067 int browse_flag = cmdmod.browse;
7068 # endif
7069
7070 # ifndef FEAT_VERTSPLIT
7071 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7072 {
7073 ex_ni(eap);
7074 return;
7075 }
7076 # endif
7077
7078 # ifdef FEAT_GUI
7079 need_mouse_correct = TRUE;
7080 # endif
7081
7082 # ifdef FEAT_QUICKFIX
7083 /* A ":split" in the quickfix window works like ":new". Don't want two
7084 * quickfix windows. */
7085 if (bt_quickfix(curbuf))
7086 {
7087 if (eap->cmdidx == CMD_split)
7088 eap->cmdidx = CMD_new;
7089 # ifdef FEAT_VERTSPLIT
7090 if (eap->cmdidx == CMD_vsplit)
7091 eap->cmdidx = CMD_vnew;
7092 # endif
7093 }
7094 # endif
7095
7096 # ifdef FEAT_SEARCHPATH
7097 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7098 {
7099 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7100 FNAME_MESS, TRUE, curbuf->b_ffname);
7101 if (fname == NULL)
7102 goto theend;
7103 eap->arg = fname;
7104 }
7105 # ifdef FEAT_BROWSE
7106 else
7107 # endif
7108 # endif
7109 # ifdef FEAT_BROWSE
7110 if (cmdmod.browse
7111 # ifdef FEAT_VERTSPLIT
7112 && eap->cmdidx != CMD_vnew
7113 # endif
7114 && eap->cmdidx != CMD_new)
7115 {
7116 if (
7117 # ifdef FEAT_GUI
7118 !gui.in_use &&
7119 # endif
7120 au_has_group((char_u *)"FileExplorer"))
7121 {
7122 /* No browsing supported but we do have the file explorer:
7123 * Edit the directory. */
7124 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7125 eap->arg = (char_u *)".";
7126 }
7127 else
7128 {
7129 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7130 eap->arg, NULL, NULL, NULL, curbuf);
7131 if (fname == NULL)
7132 goto theend;
7133 eap->arg = fname;
7134 }
7135 }
7136 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7137 # endif
7138
7139 /*
7140 * Either open new tab page or split the window.
7141 */
7142 if (eap->cmdidx == CMD_tabedit
7143 || eap->cmdidx == CMD_tabfind
7144 || eap->cmdidx == CMD_tabnew)
7145 {
7146 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7147 : eap->addr_count == 0 ? 0
7148 : (int)eap->line2 + 1) != FAIL)
7149 {
7150 do_exedit(eap, old_curwin);
7151
7152 /* set the alternate buffer for the window we came from */
7153 if (curwin != old_curwin
7154 && win_valid(old_curwin)
7155 && old_curwin->w_buffer != curbuf
7156 && !cmdmod.keepalt)
7157 old_curwin->w_alt_fnum = curbuf->b_fnum;
7158 }
7159 }
7160 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7161 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7162 {
7163 # ifdef FEAT_SCROLLBIND
7164 /* Reset 'scrollbind' when editing another file, but keep it when
7165 * doing ":split" without arguments. */
7166 if (*eap->arg != NUL
7167 # ifdef FEAT_BROWSE
7168 || cmdmod.browse
7169 # endif
7170 )
7171 curwin->w_p_scb = FALSE;
7172 else
7173 do_check_scrollbind(FALSE);
7174 # endif
7175 do_exedit(eap, old_curwin);
7176 }
7177
7178 # ifdef FEAT_BROWSE
7179 cmdmod.browse = browse_flag;
7180 # endif
7181
7182 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7183 theend:
7184 vim_free(fname);
7185 # endif
7186 }
7187
7188 #if defined(FEAT_MOUSE) || defined(PROTO)
7189 /*
7190 * Open a new tab page.
7191 */
7192 void
7193 tabpage_new()
7194 {
7195 exarg_T ea;
7196
7197 vim_memset(&ea, 0, sizeof(ea));
7198 ea.cmdidx = CMD_tabnew;
7199 ea.cmd = (char_u *)"tabn";
7200 ea.arg = (char_u *)"";
7201 ex_splitview(&ea);
7202 }
7203 #endif
7204
7205 /*
7206 * :tabnext command
7207 */
7208 static void
7209 ex_tabnext(eap)
7210 exarg_T *eap;
7211 {
7212 switch (eap->cmdidx)
7213 {
7214 case CMD_tabfirst:
7215 case CMD_tabrewind:
7216 goto_tabpage(1);
7217 break;
7218 case CMD_tablast:
7219 goto_tabpage(9999);
7220 break;
7221 case CMD_tabprevious:
7222 case CMD_tabNext:
7223 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7224 break;
7225 default: /* CMD_tabnext */
7226 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7227 break;
7228 }
7229 }
7230
7231 /*
7232 * :tabmove command
7233 */
7234 static void
7235 ex_tabmove(eap)
7236 exarg_T *eap;
7237 {
7238 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7239 }
7240
7241 /*
7242 * :tabs command: List tabs and their contents.
7243 */
7244 /*ARGSUSED*/
7245 static void
7246 ex_tabs(eap)
7247 exarg_T *eap;
7248 {
7249 tabpage_T *tp;
7250 win_T *wp;
7251 int tabcount = 1;
7252
7253 msg_start();
7254 msg_scroll = TRUE;
7255 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7256 {
7257 msg_putchar('\n');
7258 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7259 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7260 out_flush(); /* output one line at a time */
7261 ui_breakcheck();
7262
7263 if (tp == curtab)
7264 wp = firstwin;
7265 else
7266 wp = tp->tp_firstwin;
7267 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7268 {
7269 msg_putchar('\n');
7270 msg_putchar(wp == curwin ? '>' : ' ');
7271 msg_putchar(' ');
7272 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7273 msg_putchar(' ');
7274 if (buf_spname(wp->w_buffer) != NULL)
7275 STRCPY(IObuff, buf_spname(wp->w_buffer));
7276 else
7277 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7278 IObuff, IOSIZE, TRUE);
7279 msg_outtrans(IObuff);
7280 out_flush(); /* output one line at a time */
7281 ui_breakcheck();
7282 }
7283 }
7284 }
7285
7286 #endif /* FEAT_WINDOWS */
7287
7288 /*
7289 * ":mode": Set screen mode.
7290 * If no argument given, just get the screen size and redraw.
7291 */
7292 static void
7293 ex_mode(eap)
7294 exarg_T *eap;
7295 {
7296 if (*eap->arg == NUL)
7297 shell_resized();
7298 else
7299 mch_screenmode(eap->arg);
7300 }
7301
7302 #ifdef FEAT_WINDOWS
7303 /*
7304 * ":resize".
7305 * set, increment or decrement current window height
7306 */
7307 static void
7308 ex_resize(eap)
7309 exarg_T *eap;
7310 {
7311 int n;
7312 win_T *wp = curwin;
7313
7314 if (eap->addr_count > 0)
7315 {
7316 n = eap->line2;
7317 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7318 ;
7319 }
7320
7321 #ifdef FEAT_GUI
7322 need_mouse_correct = TRUE;
7323 #endif
7324 n = atol((char *)eap->arg);
7325 #ifdef FEAT_VERTSPLIT
7326 if (cmdmod.split & WSP_VERT)
7327 {
7328 if (*eap->arg == '-' || *eap->arg == '+')
7329 n += W_WIDTH(curwin);
7330 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7331 n = 9999;
7332 win_setwidth_win((int)n, wp);
7333 }
7334 else
7335 #endif
7336 {
7337 if (*eap->arg == '-' || *eap->arg == '+')
7338 n += curwin->w_height;
7339 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7340 n = 9999;
7341 win_setheight_win((int)n, wp);
7342 }
7343 }
7344 #endif
7345
7346 /*
7347 * ":find [+command] <file>" command.
7348 */
7349 static void
7350 ex_find(eap)
7351 exarg_T *eap;
7352 {
7353 #ifdef FEAT_SEARCHPATH
7354 char_u *fname;
7355 int count;
7356
7357 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7358 TRUE, curbuf->b_ffname);
7359 if (eap->addr_count > 0)
7360 {
7361 /* Repeat finding the file "count" times. This matters when it
7362 * appears several times in the path. */
7363 count = eap->line2;
7364 while (fname != NULL && --count > 0)
7365 {
7366 vim_free(fname);
7367 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7368 FALSE, curbuf->b_ffname);
7369 }
7370 }
7371
7372 if (fname != NULL)
7373 {
7374 eap->arg = fname;
7375 #endif
7376 do_exedit(eap, NULL);
7377 #ifdef FEAT_SEARCHPATH
7378 vim_free(fname);
7379 }
7380 #endif
7381 }
7382
7383 /*
7384 * ":open" simulation: for now just work like ":visual".
7385 */
7386 static void
7387 ex_open(eap)
7388 exarg_T *eap;
7389 {
7390 regmatch_T regmatch;
7391 char_u *p;
7392
7393 curwin->w_cursor.lnum = eap->line2;
7394 beginline(BL_SOL | BL_FIX);
7395 if (*eap->arg == '/')
7396 {
7397 /* ":open /pattern/": put cursor in column found with pattern */
7398 ++eap->arg;
7399 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7400 *p = NUL;
7401 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7402 if (regmatch.regprog != NULL)
7403 {
7404 regmatch.rm_ic = p_ic;
7405 p = ml_get_curline();
7406 if (vim_regexec(&regmatch, p, (colnr_T)0))
7407 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7408 else
7409 EMSG(_(e_nomatch));
7410 vim_free(regmatch.regprog);
7411 }
7412 /* Move to the NUL, ignore any other arguments. */
7413 eap->arg += STRLEN(eap->arg);
7414 }
7415 check_cursor();
7416
7417 eap->cmdidx = CMD_visual;
7418 do_exedit(eap, NULL);
7419 }
7420
7421 /*
7422 * ":edit", ":badd", ":visual".
7423 */
7424 static void
7425 ex_edit(eap)
7426 exarg_T *eap;
7427 {
7428 do_exedit(eap, NULL);
7429 }
7430
7431 /*
7432 * ":edit <file>" command and alikes.
7433 */
7434 /*ARGSUSED*/
7435 void
7436 do_exedit(eap, old_curwin)
7437 exarg_T *eap;
7438 win_T *old_curwin; /* curwin before doing a split or NULL */
7439 {
7440 int n;
7441 #ifdef FEAT_WINDOWS
7442 int need_hide;
7443 #endif
7444 int exmode_was = exmode_active;
7445
7446 /*
7447 * ":vi" command ends Ex mode.
7448 */
7449 if (exmode_active && (eap->cmdidx == CMD_visual
7450 || eap->cmdidx == CMD_view))
7451 {
7452 exmode_active = FALSE;
7453 if (*eap->arg == NUL)
7454 {
7455 /* Special case: ":global/pat/visual\NLvi-commands" */
7456 if (global_busy)
7457 {
7458 int rd = RedrawingDisabled;
7459 int nwr = no_wait_return;
7460 int ms = msg_scroll;
7461 #ifdef FEAT_GUI
7462 int he = hold_gui_events;
7463 #endif
7464
7465 if (eap->nextcmd != NULL)
7466 {
7467 stuffReadbuff(eap->nextcmd);
7468 eap->nextcmd = NULL;
7469 }
7470
7471 if (exmode_was != EXMODE_VIM)
7472 settmode(TMODE_RAW);
7473 RedrawingDisabled = 0;
7474 no_wait_return = 0;
7475 need_wait_return = FALSE;
7476 msg_scroll = 0;
7477 #ifdef FEAT_GUI
7478 hold_gui_events = 0;
7479 #endif
7480 must_redraw = CLEAR;
7481
7482 main_loop(FALSE, TRUE);
7483
7484 RedrawingDisabled = rd;
7485 no_wait_return = nwr;
7486 msg_scroll = ms;
7487 #ifdef FEAT_GUI
7488 hold_gui_events = he;
7489 #endif
7490 }
7491 return;
7492 }
7493 }
7494
7495 if ((eap->cmdidx == CMD_new
7496 || eap->cmdidx == CMD_tabnew
7497 || eap->cmdidx == CMD_tabedit
7498 #ifdef FEAT_VERTSPLIT
7499 || eap->cmdidx == CMD_vnew
7500 #endif
7501 ) && *eap->arg == NUL)
7502 {
7503 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7504 setpcmark();
7505 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7506 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7507 }
7508 else if ((eap->cmdidx != CMD_split
7509 #ifdef FEAT_VERTSPLIT
7510 && eap->cmdidx != CMD_vsplit
7511 #endif
7512 )
7513 || *eap->arg != NUL
7514 #ifdef FEAT_BROWSE
7515 || cmdmod.browse
7516 #endif
7517 )
7518 {
7519 #ifdef FEAT_AUTOCMD
7520 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7521 * can bring us here, others are stopped earlier. */
7522 if (*eap->arg != NUL && curbuf_locked())
7523 return;
7524 #endif
7525 n = readonlymode;
7526 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7527 readonlymode = TRUE;
7528 else if (eap->cmdidx == CMD_enew)
7529 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7530 empty buffer */
7531 setpcmark();
7532 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7533 NULL, eap,
7534 /* ":edit" goes to first line if Vi compatible */
7535 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7536 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7537 ? ECMD_ONE : eap->do_ecmd_lnum,
7538 (P_HID(curbuf) ? ECMD_HIDE : 0)
7539 + (eap->forceit ? ECMD_FORCEIT : 0)
7540 #ifdef FEAT_LISTCMDS
7541 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7542 #endif
7543 ) == FAIL)
7544 {
7545 /* Editing the file failed. If the window was split, close it. */
7546 #ifdef FEAT_WINDOWS
7547 if (old_curwin != NULL)
7548 {
7549 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7550 if (!need_hide || P_HID(curbuf))
7551 {
7552 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7553 cleanup_T cs;
7554
7555 /* Reset the error/interrupt/exception state here so that
7556 * aborting() returns FALSE when closing a window. */
7557 enter_cleanup(&cs);
7558 # endif
7559 # ifdef FEAT_GUI
7560 need_mouse_correct = TRUE;
7561 # endif
7562 win_close(curwin, !need_hide && !P_HID(curbuf));
7563
7564 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7565 /* Restore the error/interrupt/exception state if not
7566 * discarded by a new aborting error, interrupt, or
7567 * uncaught exception. */
7568 leave_cleanup(&cs);
7569 # endif
7570 }
7571 }
7572 #endif
7573 }
7574 else if (readonlymode && curbuf->b_nwindows == 1)
7575 {
7576 /* When editing an already visited buffer, 'readonly' won't be set
7577 * but the previous value is kept. With ":view" and ":sview" we
7578 * want the file to be readonly, except when another window is
7579 * editing the same buffer. */
7580 curbuf->b_p_ro = TRUE;
7581 }
7582 readonlymode = n;
7583 }
7584 else
7585 {
7586 if (eap->do_ecmd_cmd != NULL)
7587 do_cmdline_cmd(eap->do_ecmd_cmd);
7588 #ifdef FEAT_TITLE
7589 n = curwin->w_arg_idx_invalid;
7590 #endif
7591 check_arg_idx(curwin);
7592 #ifdef FEAT_TITLE
7593 if (n != curwin->w_arg_idx_invalid)
7594 maketitle();
7595 #endif
7596 }
7597
7598 #ifdef FEAT_WINDOWS
7599 /*
7600 * if ":split file" worked, set alternate file name in old window to new
7601 * file
7602 */
7603 if (old_curwin != NULL
7604 && *eap->arg != NUL
7605 && curwin != old_curwin
7606 && win_valid(old_curwin)
7607 && old_curwin->w_buffer != curbuf
7608 && !cmdmod.keepalt)
7609 old_curwin->w_alt_fnum = curbuf->b_fnum;
7610 #endif
7611
7612 ex_no_reprint = TRUE;
7613 }
7614
7615 #ifndef FEAT_GUI
7616 /*
7617 * ":gui" and ":gvim" when there is no GUI.
7618 */
7619 static void
7620 ex_nogui(eap)
7621 exarg_T *eap;
7622 {
7623 eap->errmsg = e_nogvim;
7624 }
7625 #endif
7626
7627 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7628 static void
7629 ex_tearoff(eap)
7630 exarg_T *eap;
7631 {
7632 gui_make_tearoff(eap->arg);
7633 }
7634 #endif
7635
7636 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7637 || defined(FEAT_GUI_MACVIM))
7638 static void
7639 ex_popup(eap)
7640 exarg_T *eap;
7641 {
7642 gui_make_popup(eap->arg, eap->forceit);
7643 }
7644 #endif
7645
7646 /*ARGSUSED*/
7647 static void
7648 ex_swapname(eap)
7649 exarg_T *eap;
7650 {
7651 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7652 MSG(_("No swap file"));
7653 else
7654 msg(curbuf->b_ml.ml_mfp->mf_fname);
7655 }
7656
7657 /*
7658 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7659 * offset.
7660 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7661 */
7662 /*ARGSUSED*/
7663 static void
7664 ex_syncbind(eap)
7665 exarg_T *eap;
7666 {
7667 #ifdef FEAT_SCROLLBIND
7668 win_T *wp;
7669 long topline;
7670 long y;
7671 linenr_T old_linenr = curwin->w_cursor.lnum;
7672
7673 setpcmark();
7674
7675 /*
7676 * determine max topline
7677 */
7678 if (curwin->w_p_scb)
7679 {
7680 topline = curwin->w_topline;
7681 for (wp = firstwin; wp; wp = wp->w_next)
7682 {
7683 if (wp->w_p_scb && wp->w_buffer)
7684 {
7685 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7686 if (topline > y)
7687 topline = y;
7688 }
7689 }
7690 if (topline < 1)
7691 topline = 1;
7692 }
7693 else
7694 {
7695 topline = 1;
7696 }
7697
7698
7699 /*
7700 * set all scrollbind windows to the same topline
7701 */
7702 wp = curwin;
7703 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7704 {
7705 if (curwin->w_p_scb)
7706 {
7707 y = topline - curwin->w_topline;
7708 if (y > 0)
7709 scrollup(y, TRUE);
7710 else
7711 scrolldown(-y, TRUE);
7712 curwin->w_scbind_pos = topline;
7713 redraw_later(VALID);
7714 cursor_correct();
7715 #ifdef FEAT_WINDOWS
7716 curwin->w_redr_status = TRUE;
7717 #endif
7718 }
7719 }
7720 curwin = wp;
7721 if (curwin->w_p_scb)
7722 {
7723 did_syncbind = TRUE;
7724 checkpcmark();
7725 if (old_linenr != curwin->w_cursor.lnum)
7726 {
7727 char_u ctrl_o[2];
7728
7729 ctrl_o[0] = Ctrl_O;
7730 ctrl_o[1] = 0;
7731 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7732 }
7733 }
7734 #endif
7735 }
7736
7737
7738 static void
7739 ex_read(eap)
7740 exarg_T *eap;
7741 {
7742 int i;
7743 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7744 linenr_T lnum;
7745
7746 if (eap->usefilter) /* :r!cmd */
7747 do_bang(1, eap, FALSE, FALSE, TRUE);
7748 else
7749 {
7750 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7751 return;
7752
7753 #ifdef FEAT_BROWSE
7754 if (cmdmod.browse)
7755 {
7756 char_u *browseFile;
7757
7758 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7759 NULL, NULL, NULL, curbuf);
7760 if (browseFile != NULL)
7761 {
7762 i = readfile(browseFile, NULL,
7763 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7764 vim_free(browseFile);
7765 }
7766 else
7767 i = OK;
7768 }
7769 else
7770 #endif
7771 if (*eap->arg == NUL)
7772 {
7773 if (check_fname() == FAIL) /* check for no file name */
7774 return;
7775 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7776 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7777 }
7778 else
7779 {
7780 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7781 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7782 i = readfile(eap->arg, NULL,
7783 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7784
7785 }
7786 if (i == FAIL)
7787 {
7788 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7789 if (!aborting())
7790 #endif
7791 EMSG2(_(e_notopen), eap->arg);
7792 }
7793 else
7794 {
7795 if (empty && exmode_active)
7796 {
7797 /* Delete the empty line that remains. Historically ex does
7798 * this but vi doesn't. */
7799 if (eap->line2 == 0)
7800 lnum = curbuf->b_ml.ml_line_count;
7801 else
7802 lnum = 1;
7803 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7804 {
7805 ml_delete(lnum, FALSE);
7806 deleted_lines_mark(lnum, 1L);
7807 if (curwin->w_cursor.lnum > 1
7808 && curwin->w_cursor.lnum >= lnum)
7809 --curwin->w_cursor.lnum;
7810 }
7811 }
7812 redraw_curbuf_later(VALID);
7813 }
7814 }
7815 }
7816
7817 static char_u *prev_dir = NULL;
7818
7819 #if defined(EXITFREE) || defined(PROTO)
7820 void
7821 free_cd_dir()
7822 {
7823 vim_free(prev_dir);
7824 prev_dir = NULL;
7825 }
7826 #endif
7827
7828
7829 /*
7830 * ":cd", ":lcd", ":chdir" and ":lchdir".
7831 */
7832 void
7833 ex_cd(eap)
7834 exarg_T *eap;
7835 {
7836 char_u *new_dir;
7837 char_u *tofree;
7838
7839 new_dir = eap->arg;
7840 #if !defined(UNIX) && !defined(VMS)
7841 /* for non-UNIX ":cd" means: print current directory */
7842 if (*new_dir == NUL)
7843 ex_pwd(NULL);
7844 else
7845 #endif
7846 {
7847 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7848 && !eap->forceit)
7849 {
7850 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7851 return;
7852 }
7853
7854 /* ":cd -": Change to previous directory */
7855 if (STRCMP(new_dir, "-") == 0)
7856 {
7857 if (prev_dir == NULL)
7858 {
7859 EMSG(_("E186: No previous directory"));
7860 return;
7861 }
7862 new_dir = prev_dir;
7863 }
7864
7865 /* Save current directory for next ":cd -" */
7866 tofree = prev_dir;
7867 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7868 prev_dir = vim_strsave(NameBuff);
7869 else
7870 prev_dir = NULL;
7871
7872 #if defined(UNIX) || defined(VMS)
7873 /* for UNIX ":cd" means: go to home directory */
7874 if (*new_dir == NUL)
7875 {
7876 /* use NameBuff for home directory name */
7877 # ifdef VMS
7878 char_u *p;
7879
7880 p = mch_getenv((char_u *)"SYS$LOGIN");
7881 if (p == NULL || *p == NUL) /* empty is the same as not set */
7882 NameBuff[0] = NUL;
7883 else
7884 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7885 # else
7886 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7887 # endif
7888 new_dir = NameBuff;
7889 }
7890 #endif
7891 if (new_dir == NULL || vim_chdir(new_dir))
7892 EMSG(_(e_failed));
7893 else
7894 {
7895 vim_free(curwin->w_localdir);
7896 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7897 {
7898 /* If still in global directory, need to remember current
7899 * directory as global directory. */
7900 if (globaldir == NULL && prev_dir != NULL)
7901 globaldir = vim_strsave(prev_dir);
7902 /* Remember this local directory for the window. */
7903 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7904 curwin->w_localdir = vim_strsave(NameBuff);
7905 }
7906 else
7907 {
7908 /* We are now in the global directory, no need to remember its
7909 * name. */
7910 vim_free(globaldir);
7911 globaldir = NULL;
7912 curwin->w_localdir = NULL;
7913 }
7914
7915 shorten_fnames(TRUE);
7916
7917 /* Echo the new current directory if the command was typed. */
7918 if (KeyTyped)
7919 ex_pwd(eap);
7920 }
7921 vim_free(tofree);
7922 }
7923 }
7924
7925 /*
7926 * ":pwd".
7927 */
7928 /*ARGSUSED*/
7929 static void
7930 ex_pwd(eap)
7931 exarg_T *eap;
7932 {
7933 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7934 {
7935 #ifdef BACKSLASH_IN_FILENAME
7936 slash_adjust(NameBuff);
7937 #endif
7938 msg(NameBuff);
7939 }
7940 else
7941 EMSG(_("E187: Unknown"));
7942 }
7943
7944 /*
7945 * ":=".
7946 */
7947 static void
7948 ex_equal(eap)
7949 exarg_T *eap;
7950 {
7951 smsg((char_u *)"%ld", (long)eap->line2);
7952 ex_may_print(eap);
7953 }
7954
7955 static void
7956 ex_sleep(eap)
7957 exarg_T *eap;
7958 {
7959 int n;
7960 long len;
7961
7962 if (cursor_valid())
7963 {
7964 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7965 if (n >= 0)
7966 windgoto((int)n, curwin->w_wcol);
7967 }
7968
7969 len = eap->line2;
7970 switch (*eap->arg)
7971 {
7972 case 'm': break;
7973 case NUL: len *= 1000L; break;
7974 default: EMSG2(_(e_invarg2), eap->arg); return;
7975 }
7976 do_sleep(len);
7977 }
7978
7979 /*
7980 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7981 */
7982 void
7983 do_sleep(msec)
7984 long msec;
7985 {
7986 long done;
7987
7988 cursor_on();
7989 out_flush();
7990 for (done = 0; !got_int && done < msec; done += 1000L)
7991 {
7992 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7993 ui_breakcheck();
7994 }
7995 }
7996
7997 static void
7998 do_exmap(eap, isabbrev)
7999 exarg_T *eap;
8000 int isabbrev;
8001 {
8002 int mode;
8003 char_u *cmdp;
8004
8005 cmdp = eap->cmd;
8006 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8007
8008 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8009 eap->arg, mode, isabbrev))
8010 {
8011 case 1: EMSG(_(e_invarg));
8012 break;
8013 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8014 break;
8015 }
8016 }
8017
8018 /*
8019 * ":winsize" command (obsolete).
8020 */
8021 static void
8022 ex_winsize(eap)
8023 exarg_T *eap;
8024 {
8025 int w, h;
8026 char_u *arg = eap->arg;
8027 char_u *p;
8028
8029 w = getdigits(&arg);
8030 arg = skipwhite(arg);
8031 p = arg;
8032 h = getdigits(&arg);
8033 if (*p != NUL && *arg == NUL)
8034 set_shellsize(w, h, TRUE);
8035 else
8036 EMSG(_("E465: :winsize requires two number arguments"));
8037 }
8038
8039 #ifdef FEAT_WINDOWS
8040 static void
8041 ex_wincmd(eap)
8042 exarg_T *eap;
8043 {
8044 int xchar = NUL;
8045 char_u *p;
8046
8047 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8048 {
8049 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8050 if (eap->arg[1] == NUL)
8051 {
8052 EMSG(_(e_invarg));
8053 return;
8054 }
8055 xchar = eap->arg[1];
8056 p = eap->arg + 2;
8057 }
8058 else
8059 p = eap->arg + 1;
8060
8061 eap->nextcmd = check_nextcmd(p);
8062 p = skipwhite(p);
8063 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8064 EMSG(_(e_invarg));
8065 else
8066 {
8067 /* Pass flags on for ":vertical wincmd ]". */
8068 postponed_split_flags = cmdmod.split;
8069 postponed_split_tab = cmdmod.tab;
8070 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8071 postponed_split_flags = 0;
8072 postponed_split_tab = 0;
8073 }
8074 }
8075 #endif
8076
8077 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8078 /*
8079 * ":winpos".
8080 */
8081 static void
8082 ex_winpos(eap)
8083 exarg_T *eap;
8084 {
8085 int x, y;
8086 char_u *arg = eap->arg;
8087 char_u *p;
8088
8089 if (*arg == NUL)
8090 {
8091 # if defined(FEAT_GUI) || defined(MSWIN)
8092 # ifdef FEAT_GUI
8093 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8094 # else
8095 if (mch_get_winpos(&x, &y) != FAIL)
8096 # endif
8097 {
8098 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8099 msg(IObuff);
8100 }
8101 else
8102 # endif
8103 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8104 }
8105 else
8106 {
8107 x = getdigits(&arg);
8108 arg = skipwhite(arg);
8109 p = arg;
8110 y = getdigits(&arg);
8111 if (*p == NUL || *arg != NUL)
8112 {
8113 EMSG(_("E466: :winpos requires two number arguments"));
8114 return;
8115 }
8116 # ifdef FEAT_GUI
8117 if (gui.in_use)
8118 gui_mch_set_winpos(x, y);
8119 else if (gui.starting)
8120 {
8121 /* Remember the coordinates for when the window is opened. */
8122 gui_win_x = x;
8123 gui_win_y = y;
8124 }
8125 # ifdef HAVE_TGETENT
8126 else
8127 # endif
8128 # else
8129 # ifdef MSWIN
8130 mch_set_winpos(x, y);
8131 # endif
8132 # endif
8133 # ifdef HAVE_TGETENT
8134 if (*T_CWP)
8135 term_set_winpos(x, y);
8136 # endif
8137 }
8138 }
8139 #endif
8140
8141 /*
8142 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8143 */
8144 static void
8145 ex_operators(eap)
8146 exarg_T *eap;
8147 {
8148 oparg_T oa;
8149
8150 clear_oparg(&oa);
8151 oa.regname = eap->regname;
8152 oa.start.lnum = eap->line1;
8153 oa.end.lnum = eap->line2;
8154 oa.line_count = eap->line2 - eap->line1 + 1;
8155 oa.motion_type = MLINE;
8156 #ifdef FEAT_VIRTUALEDIT
8157 virtual_op = FALSE;
8158 #endif
8159 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8160 {
8161 setpcmark();
8162 curwin->w_cursor.lnum = eap->line1;
8163 beginline(BL_SOL | BL_FIX);
8164 }
8165
8166 switch (eap->cmdidx)
8167 {
8168 case CMD_delete:
8169 oa.op_type = OP_DELETE;
8170 op_delete(&oa);
8171 break;
8172
8173 case CMD_yank:
8174 oa.op_type = OP_YANK;
8175 (void)op_yank(&oa, FALSE, TRUE);
8176 break;
8177
8178 default: /* CMD_rshift or CMD_lshift */
8179 if ((eap->cmdidx == CMD_rshift)
8180 #ifdef FEAT_RIGHTLEFT
8181 ^ curwin->w_p_rl
8182 #endif
8183 )
8184 oa.op_type = OP_RSHIFT;
8185 else
8186 oa.op_type = OP_LSHIFT;
8187 op_shift(&oa, FALSE, eap->amount);
8188 break;
8189 }
8190 #ifdef FEAT_VIRTUALEDIT
8191 virtual_op = MAYBE;
8192 #endif
8193 ex_may_print(eap);
8194 }
8195
8196 /*
8197 * ":put".
8198 */
8199 static void
8200 ex_put(eap)
8201 exarg_T *eap;
8202 {
8203 /* ":0put" works like ":1put!". */
8204 if (eap->line2 == 0)
8205 {
8206 eap->line2 = 1;
8207 eap->forceit = TRUE;
8208 }
8209 curwin->w_cursor.lnum = eap->line2;
8210 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8211 PUT_LINE|PUT_CURSLINE);
8212 }
8213
8214 /*
8215 * Handle ":copy" and ":move".
8216 */
8217 static void
8218 ex_copymove(eap)
8219 exarg_T *eap;
8220 {
8221 long n;
8222
8223 n = get_address(&eap->arg, FALSE, FALSE);
8224 if (eap->arg == NULL) /* error detected */
8225 {
8226 eap->nextcmd = NULL;
8227 return;
8228 }
8229 get_flags(eap);
8230
8231 /*
8232 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8233 */
8234 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8235 {
8236 EMSG(_(e_invaddr));
8237 return;
8238 }
8239
8240 if (eap->cmdidx == CMD_move)
8241 {
8242 if (do_move(eap->line1, eap->line2, n) == FAIL)
8243 return;
8244 }
8245 else
8246 ex_copy(eap->line1, eap->line2, n);
8247 u_clearline();
8248 beginline(BL_SOL | BL_FIX);
8249 ex_may_print(eap);
8250 }
8251
8252 /*
8253 * Print the current line if flags were given to the Ex command.
8254 */
8255 static void
8256 ex_may_print(eap)
8257 exarg_T *eap;
8258 {
8259 if (eap->flags != 0)
8260 {
8261 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8262 (eap->flags & EXFLAG_LIST));
8263 ex_no_reprint = TRUE;
8264 }
8265 }
8266
8267 /*
8268 * ":smagic" and ":snomagic".
8269 */
8270 static void
8271 ex_submagic(eap)
8272 exarg_T *eap;
8273 {
8274 int magic_save = p_magic;
8275
8276 p_magic = (eap->cmdidx == CMD_smagic);
8277 do_sub(eap);
8278 p_magic = magic_save;
8279 }
8280
8281 /*
8282 * ":join".
8283 */
8284 static void
8285 ex_join(eap)
8286 exarg_T *eap;
8287 {
8288 curwin->w_cursor.lnum = eap->line1;
8289 if (eap->line1 == eap->line2)
8290 {
8291 if (eap->addr_count >= 2) /* :2,2join does nothing */
8292 return;
8293 if (eap->line2 == curbuf->b_ml.ml_line_count)
8294 {
8295 beep_flush();
8296 return;
8297 }
8298 ++eap->line2;
8299 }
8300 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8301 beginline(BL_WHITE | BL_FIX);
8302 ex_may_print(eap);
8303 }
8304
8305 /*
8306 * ":[addr]@r" or ":[addr]*r": execute register
8307 */
8308 static void
8309 ex_at(eap)
8310 exarg_T *eap;
8311 {
8312 int c;
8313
8314 curwin->w_cursor.lnum = eap->line2;
8315
8316 #ifdef USE_ON_FLY_SCROLL
8317 dont_scroll = TRUE; /* disallow scrolling here */
8318 #endif
8319
8320 /* get the register name. No name means to use the previous one */
8321 c = *eap->arg;
8322 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8323 c = '@';
8324 /* Put the register in the typeahead buffer with the "silent" flag. */
8325 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8326 == FAIL)
8327 {
8328 beep_flush();
8329 }
8330 else
8331 {
8332 int save_efr = exec_from_reg;
8333
8334 exec_from_reg = TRUE;
8335
8336 /*
8337 * Execute from the typeahead buffer.
8338 * Originally this didn't check for the typeahead buffer to be empty,
8339 * thus could read more Ex commands from stdin. It's not clear why,
8340 * it is certainly unexpected.
8341 */
8342 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8343 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8344
8345 exec_from_reg = save_efr;
8346 }
8347 }
8348
8349 /*
8350 * ":!".
8351 */
8352 static void
8353 ex_bang(eap)
8354 exarg_T *eap;
8355 {
8356 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8357 }
8358
8359 /*
8360 * ":undo".
8361 */
8362 /*ARGSUSED*/
8363 static void
8364 ex_undo(eap)
8365 exarg_T *eap;
8366 {
8367 if (eap->addr_count == 1) /* :undo 123 */
8368 undo_time(eap->line2, FALSE, TRUE);
8369 else
8370 u_undo(1);
8371 }
8372
8373 /*
8374 * ":redo".
8375 */
8376 /*ARGSUSED*/
8377 static void
8378 ex_redo(eap)
8379 exarg_T *eap;
8380 {
8381 u_redo(1);
8382 }
8383
8384 /*
8385 * ":earlier" and ":later".
8386 */
8387 /*ARGSUSED*/
8388 static void
8389 ex_later(eap)
8390 exarg_T *eap;
8391 {
8392 long count = 0;
8393 int sec = FALSE;
8394 char_u *p = eap->arg;
8395
8396 if (*p == NUL)
8397 count = 1;
8398 else if (isdigit(*p))
8399 {
8400 count = getdigits(&p);
8401 switch (*p)
8402 {
8403 case 's': ++p; sec = TRUE; break;
8404 case 'm': ++p; sec = TRUE; count *= 60; break;
8405 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8406 }
8407 }
8408
8409 if (*p != NUL)
8410 EMSG2(_(e_invarg2), eap->arg);
8411 else
8412 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8413 }
8414
8415 /*
8416 * ":redir": start/stop redirection.
8417 */
8418 static void
8419 ex_redir(eap)
8420 exarg_T *eap;
8421 {
8422 char *mode;
8423 char_u *fname;
8424 char_u *arg = eap->arg;
8425
8426 if (STRICMP(eap->arg, "END") == 0)
8427 close_redir();
8428 else
8429 {
8430 if (*arg == '>')
8431 {
8432 ++arg;
8433 if (*arg == '>')
8434 {
8435 ++arg;
8436 mode = "a";
8437 }
8438 else
8439 mode = "w";
8440 arg = skipwhite(arg);
8441
8442 close_redir();
8443
8444 /* Expand environment variables and "~/". */
8445 fname = expand_env_save(arg);
8446 if (fname == NULL)
8447 return;
8448 #ifdef FEAT_BROWSE
8449 if (cmdmod.browse)
8450 {
8451 char_u *browseFile;
8452
8453 browseFile = do_browse(BROWSE_SAVE,
8454 (char_u *)_("Save Redirection"),
8455 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8456 if (browseFile == NULL)
8457 return; /* operation cancelled */
8458 vim_free(fname);
8459 fname = browseFile;
8460 eap->forceit = TRUE; /* since dialog already asked */
8461 }
8462 #endif
8463
8464 redir_fd = open_exfile(fname, eap->forceit, mode);
8465 vim_free(fname);
8466 }
8467 #ifdef FEAT_EVAL
8468 else if (*arg == '@')
8469 {
8470 /* redirect to a register a-z (resp. A-Z for appending) */
8471 close_redir();
8472 ++arg;
8473 if (ASCII_ISALPHA(*arg)
8474 # ifdef FEAT_CLIPBOARD
8475 || *arg == '*'
8476 || *arg == '+'
8477 # endif
8478 || *arg == '"')
8479 {
8480 redir_reg = *arg++;
8481 if (*arg == '>' && arg[1] == '>') /* append */
8482 arg += 2;
8483 else
8484 {
8485 /* Can use both "@a" and "@a>". */
8486 if (*arg == '>')
8487 arg++;
8488 /* Make register empty when not using @A-@Z and the
8489 * command is valid. */
8490 if (*arg == NUL && !isupper(redir_reg))
8491 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8492 }
8493 }
8494 if (*arg != NUL)
8495 {
8496 redir_reg = 0;
8497 EMSG2(_(e_invarg2), eap->arg);
8498 }
8499 }
8500 else if (*arg == '=' && arg[1] == '>')
8501 {
8502 int append;
8503
8504 /* redirect to a variable */
8505 close_redir();
8506 arg += 2;
8507
8508 if (*arg == '>')
8509 {
8510 ++arg;
8511 append = TRUE;
8512 }
8513 else
8514 append = FALSE;
8515
8516 if (var_redir_start(skipwhite(arg), append) == OK)
8517 redir_vname = 1;
8518 }
8519 #endif
8520
8521 /* TODO: redirect to a buffer */
8522
8523 else
8524 EMSG2(_(e_invarg2), eap->arg);
8525 }
8526
8527 /* Make sure redirection is not off. Can happen for cmdline completion
8528 * that indirectly invokes a command to catch its output. */
8529 if (redir_fd != NULL
8530 #ifdef FEAT_EVAL
8531 || redir_reg || redir_vname
8532 #endif
8533 )
8534 redir_off = FALSE;
8535 }
8536
8537 /*
8538 * ":redraw": force redraw
8539 */
8540 static void
8541 ex_redraw(eap)
8542 exarg_T *eap;
8543 {
8544 int r = RedrawingDisabled;
8545 int p = p_lz;
8546
8547 RedrawingDisabled = 0;
8548 p_lz = FALSE;
8549 update_topline();
8550 update_screen(eap->forceit ? CLEAR :
8551 #ifdef FEAT_VISUAL
8552 VIsual_active ? INVERTED :
8553 #endif
8554 0);
8555 #ifdef FEAT_TITLE
8556 if (need_maketitle)
8557 maketitle();
8558 #endif
8559 RedrawingDisabled = r;
8560 p_lz = p;
8561
8562 /* Reset msg_didout, so that a message that's there is overwritten. */
8563 msg_didout = FALSE;
8564 msg_col = 0;
8565
8566 out_flush();
8567 }
8568
8569 /*
8570 * ":redrawstatus": force redraw of status line(s)
8571 */
8572 /*ARGSUSED*/
8573 static void
8574 ex_redrawstatus(eap)
8575 exarg_T *eap;
8576 {
8577 #if defined(FEAT_WINDOWS)
8578 int r = RedrawingDisabled;
8579 int p = p_lz;
8580
8581 RedrawingDisabled = 0;
8582 p_lz = FALSE;
8583 if (eap->forceit)
8584 status_redraw_all();
8585 else
8586 status_redraw_curbuf();
8587 update_screen(
8588 # ifdef FEAT_VISUAL
8589 VIsual_active ? INVERTED :
8590 # endif
8591 0);
8592 RedrawingDisabled = r;
8593 p_lz = p;
8594 out_flush();
8595 #endif
8596 }
8597
8598 static void
8599 close_redir()
8600 {
8601 if (redir_fd != NULL)
8602 {
8603 fclose(redir_fd);
8604 redir_fd = NULL;
8605 }
8606 #ifdef FEAT_EVAL
8607 redir_reg = 0;
8608 if (redir_vname)
8609 {
8610 var_redir_stop();
8611 redir_vname = 0;
8612 }
8613 #endif
8614 }
8615
8616 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8617 # define MKSESSION_NL
8618 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8619 #endif
8620
8621 /*
8622 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8623 */
8624 static void
8625 ex_mkrc(eap)
8626 exarg_T *eap;
8627 {
8628 FILE *fd;
8629 int failed = FALSE;
8630 char_u *fname;
8631 #ifdef FEAT_BROWSE
8632 char_u *browseFile = NULL;
8633 #endif
8634 #ifdef FEAT_SESSION
8635 int view_session = FALSE;
8636 int using_vdir = FALSE; /* using 'viewdir'? */
8637 char_u *viewFile = NULL;
8638 unsigned *flagp;
8639 #endif
8640
8641 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8642 {
8643 #ifdef FEAT_SESSION
8644 view_session = TRUE;
8645 #else
8646 ex_ni(eap);
8647 return;
8648 #endif
8649 }
8650
8651 #ifdef FEAT_SESSION
8652 did_lcd = FALSE;
8653
8654 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8655 if (eap->cmdidx == CMD_mkview
8656 && (*eap->arg == NUL
8657 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8658 {
8659 eap->forceit = TRUE;
8660 fname = get_view_file(*eap->arg);
8661 if (fname == NULL)
8662 return;
8663 viewFile = fname;
8664 using_vdir = TRUE;
8665 }
8666 else
8667 #endif
8668 if (*eap->arg != NUL)
8669 fname = eap->arg;
8670 else if (eap->cmdidx == CMD_mkvimrc)
8671 fname = (char_u *)VIMRC_FILE;
8672 #ifdef FEAT_SESSION
8673 else if (eap->cmdidx == CMD_mksession)
8674 fname = (char_u *)SESSION_FILE;
8675 #endif
8676 else
8677 fname = (char_u *)EXRC_FILE;
8678
8679 #ifdef FEAT_BROWSE
8680 if (cmdmod.browse)
8681 {
8682 browseFile = do_browse(BROWSE_SAVE,
8683 # ifdef FEAT_SESSION
8684 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8685 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8686 # endif
8687 (char_u *)_("Save Setup"),
8688 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8689 if (browseFile == NULL)
8690 goto theend;
8691 fname = browseFile;
8692 eap->forceit = TRUE; /* since dialog already asked */
8693 }
8694 #endif
8695
8696 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8697 /* When using 'viewdir' may have to create the directory. */
8698 if (using_vdir && !mch_isdir(p_vdir))
8699 vim_mkdir_emsg(p_vdir, 0755);
8700 #endif
8701
8702 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8703 if (fd != NULL)
8704 {
8705 #ifdef FEAT_SESSION
8706 if (eap->cmdidx == CMD_mkview)
8707 flagp = &vop_flags;
8708 else
8709 flagp = &ssop_flags;
8710 #endif
8711
8712 #ifdef MKSESSION_NL
8713 /* "unix" in 'sessionoptions': use NL line separator */
8714 if (view_session && (*flagp & SSOP_UNIX))
8715 mksession_nl = TRUE;
8716 #endif
8717
8718 /* Write the version command for :mkvimrc */
8719 if (eap->cmdidx == CMD_mkvimrc)
8720 (void)put_line(fd, "version 6.0");
8721
8722 #ifdef FEAT_SESSION
8723 if (eap->cmdidx == CMD_mksession)
8724 {
8725 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8726 failed = TRUE;
8727 }
8728
8729 if (eap->cmdidx != CMD_mkview)
8730 #endif
8731 {
8732 /* Write setting 'compatible' first, because it has side effects.
8733 * For that same reason only do it when needed. */
8734 if (p_cp)
8735 (void)put_line(fd, "if !&cp | set cp | endif");
8736 else
8737 (void)put_line(fd, "if &cp | set nocp | endif");
8738 }
8739
8740 #ifdef FEAT_SESSION
8741 if (!view_session
8742 || (eap->cmdidx == CMD_mksession
8743 && (*flagp & SSOP_OPTIONS)))
8744 #endif
8745 failed |= (makemap(fd, NULL) == FAIL
8746 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8747
8748 #ifdef FEAT_SESSION
8749 if (!failed && view_session)
8750 {
8751 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8752 failed = TRUE;
8753 if (eap->cmdidx == CMD_mksession)
8754 {
8755 char_u dirnow[MAXPATHL]; /* current directory */
8756
8757 /*
8758 * Change to session file's dir.
8759 */
8760 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8761 || mch_chdir((char *)dirnow) != 0)
8762 *dirnow = NUL;
8763 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8764 {
8765 if (vim_chdirfile(fname) == OK)
8766 shorten_fnames(TRUE);
8767 }
8768 else if (*dirnow != NUL
8769 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8770 {
8771 (void)mch_chdir((char *)globaldir);
8772 shorten_fnames(TRUE);
8773 }
8774
8775 failed |= (makeopens(fd, dirnow) == FAIL);
8776
8777 /* restore original dir */
8778 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8779 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8780 {
8781 if (mch_chdir((char *)dirnow) != 0)
8782 EMSG(_(e_prev_dir));
8783 shorten_fnames(TRUE);
8784 }
8785 }
8786 else
8787 {
8788 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8789 -1) == FAIL);
8790 }
8791 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8792 == FAIL)
8793 failed = TRUE;
8794 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8795 failed = TRUE;
8796 if (eap->cmdidx == CMD_mksession)
8797 {
8798 if (put_line(fd, "unlet SessionLoad") == FAIL)
8799 failed = TRUE;
8800 }
8801 }
8802 #endif
8803 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8804 failed = TRUE;
8805
8806 failed |= fclose(fd);
8807
8808 if (failed)
8809 EMSG(_(e_write));
8810 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8811 else if (eap->cmdidx == CMD_mksession)
8812 {
8813 /* successful session write - set this_session var */
8814 char_u tbuf[MAXPATHL];
8815
8816 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8817 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8818 }
8819 #endif
8820 #ifdef MKSESSION_NL
8821 mksession_nl = FALSE;
8822 #endif
8823 }
8824
8825 #ifdef FEAT_BROWSE
8826 theend:
8827 vim_free(browseFile);
8828 #endif
8829 #ifdef FEAT_SESSION
8830 vim_free(viewFile);
8831 #endif
8832 }
8833
8834 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8835 || defined(PROTO)
8836 /*ARGSUSED*/
8837 int
8838 vim_mkdir_emsg(name, prot)
8839 char_u *name;
8840 int prot;
8841 {
8842 if (vim_mkdir(name, prot) != 0)
8843 {
8844 EMSG2(_("E739: Cannot create directory: %s"), name);
8845 return FAIL;
8846 }
8847 return OK;
8848 }
8849 #endif
8850
8851 /*
8852 * Open a file for writing for an Ex command, with some checks.
8853 * Return file descriptor, or NULL on failure.
8854 */
8855 FILE *
8856 open_exfile(fname, forceit, mode)
8857 char_u *fname;
8858 int forceit;
8859 char *mode; /* "w" for create new file or "a" for append */
8860 {
8861 FILE *fd;
8862
8863 #ifdef UNIX
8864 /* with Unix it is possible to open a directory */
8865 if (mch_isdir(fname))
8866 {
8867 EMSG2(_(e_isadir2), fname);
8868 return NULL;
8869 }
8870 #endif
8871 if (!forceit && *mode != 'a' && vim_fexists(fname))
8872 {
8873 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8874 return NULL;
8875 }
8876
8877 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8878 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8879
8880 return fd;
8881 }
8882
8883 /*
8884 * ":mark" and ":k".
8885 */
8886 static void
8887 ex_mark(eap)
8888 exarg_T *eap;
8889 {
8890 pos_T pos;
8891
8892 if (*eap->arg == NUL) /* No argument? */
8893 EMSG(_(e_argreq));
8894 else if (eap->arg[1] != NUL) /* more than one character? */
8895 EMSG(_(e_trailing));
8896 else
8897 {
8898 pos = curwin->w_cursor; /* save curwin->w_cursor */
8899 curwin->w_cursor.lnum = eap->line2;
8900 beginline(BL_WHITE | BL_FIX);
8901 if (setmark(*eap->arg) == FAIL) /* set mark */
8902 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8903 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8904 }
8905 }
8906
8907 /*
8908 * Update w_topline, w_leftcol and the cursor position.
8909 */
8910 void
8911 update_topline_cursor()
8912 {
8913 check_cursor(); /* put cursor on valid line */
8914 update_topline();
8915 if (!curwin->w_p_wrap)
8916 validate_cursor();
8917 update_curswant();
8918 }
8919
8920 #ifdef FEAT_EX_EXTRA
8921 /*
8922 * ":normal[!] {commands}": Execute normal mode commands.
8923 */
8924 static void
8925 ex_normal(eap)
8926 exarg_T *eap;
8927 {
8928 int save_msg_scroll = msg_scroll;
8929 int save_restart_edit = restart_edit;
8930 int save_msg_didout = msg_didout;
8931 int save_State = State;
8932 tasave_T tabuf;
8933 int save_insertmode = p_im;
8934 int save_finish_op = finish_op;
8935 #ifdef FEAT_MBYTE
8936 char_u *arg = NULL;
8937 int l;
8938 char_u *p;
8939 #endif
8940
8941 if (ex_normal_lock > 0)
8942 {
8943 EMSG(_(e_secure));
8944 return;
8945 }
8946 if (ex_normal_busy >= p_mmd)
8947 {
8948 EMSG(_("E192: Recursive use of :normal too deep"));
8949 return;
8950 }
8951 ++ex_normal_busy;
8952
8953 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8954 restart_edit = 0; /* don't go to Insert mode */
8955 p_im = FALSE; /* don't use 'insertmode' */
8956
8957 #ifdef FEAT_MBYTE
8958 /*
8959 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8960 * this for the K_SPECIAL leading byte, otherwise special keys will not
8961 * work.
8962 */
8963 if (has_mbyte)
8964 {
8965 int len = 0;
8966
8967 /* Count the number of characters to be escaped. */
8968 for (p = eap->arg; *p != NUL; ++p)
8969 {
8970 # ifdef FEAT_GUI
8971 if (*p == CSI) /* leadbyte CSI */
8972 len += 2;
8973 # endif
8974 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8975 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8976 # ifdef FEAT_GUI
8977 || *p == CSI
8978 # endif
8979 )
8980 len += 2;
8981 }
8982 if (len > 0)
8983 {
8984 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8985 if (arg != NULL)
8986 {
8987 len = 0;
8988 for (p = eap->arg; *p != NUL; ++p)
8989 {
8990 arg[len++] = *p;
8991 # ifdef FEAT_GUI
8992 if (*p == CSI)
8993 {
8994 arg[len++] = KS_EXTRA;
8995 arg[len++] = (int)KE_CSI;
8996 }
8997 # endif
8998 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8999 {
9000 arg[len++] = *++p;
9001 if (*p == K_SPECIAL)
9002 {
9003 arg[len++] = KS_SPECIAL;
9004 arg[len++] = KE_FILLER;
9005 }
9006 # ifdef FEAT_GUI
9007 else if (*p == CSI)
9008 {
9009 arg[len++] = KS_EXTRA;
9010 arg[len++] = (int)KE_CSI;
9011 }
9012 # endif
9013 }
9014 arg[len] = NUL;
9015 }
9016 }
9017 }
9018 }
9019 #endif
9020
9021 /*
9022 * Save the current typeahead. This is required to allow using ":normal"
9023 * from an event handler and makes sure we don't hang when the argument
9024 * ends with half a command.
9025 */
9026 save_typeahead(&tabuf);
9027 if (tabuf.typebuf_valid)
9028 {
9029 /*
9030 * Repeat the :normal command for each line in the range. When no
9031 * range given, execute it just once, without positioning the cursor
9032 * first.
9033 */
9034 do
9035 {
9036 if (eap->addr_count != 0)
9037 {
9038 curwin->w_cursor.lnum = eap->line1++;
9039 curwin->w_cursor.col = 0;
9040 }
9041
9042 exec_normal_cmd(
9043 #ifdef FEAT_MBYTE
9044 arg != NULL ? arg :
9045 #endif
9046 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9047 }
9048 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9049 }
9050
9051 /* Might not return to the main loop when in an event handler. */
9052 update_topline_cursor();
9053
9054 /* Restore the previous typeahead. */
9055 restore_typeahead(&tabuf);
9056
9057 --ex_normal_busy;
9058 msg_scroll = save_msg_scroll;
9059 restart_edit = save_restart_edit;
9060 p_im = save_insertmode;
9061 finish_op = save_finish_op;
9062 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9063
9064 /* Restore the state (needed when called from a function executed for
9065 * 'indentexpr'). */
9066 State = save_State;
9067 #ifdef FEAT_MBYTE
9068 vim_free(arg);
9069 #endif
9070 }
9071
9072 /*
9073 * ":startinsert", ":startreplace" and ":startgreplace"
9074 */
9075 static void
9076 ex_startinsert(eap)
9077 exarg_T *eap;
9078 {
9079 if (eap->forceit)
9080 {
9081 coladvance((colnr_T)MAXCOL);
9082 curwin->w_curswant = MAXCOL;
9083 curwin->w_set_curswant = FALSE;
9084 }
9085
9086 /* Ignore the command when already in Insert mode. Inserting an
9087 * expression register that invokes a function can do this. */
9088 if (State & INSERT)
9089 return;
9090
9091 if (eap->cmdidx == CMD_startinsert)
9092 restart_edit = 'a';
9093 else if (eap->cmdidx == CMD_startreplace)
9094 restart_edit = 'R';
9095 else
9096 restart_edit = 'V';
9097
9098 if (!eap->forceit)
9099 {
9100 if (eap->cmdidx == CMD_startinsert)
9101 restart_edit = 'i';
9102 curwin->w_curswant = 0; /* avoid MAXCOL */
9103 }
9104 }
9105
9106 /*
9107 * ":stopinsert"
9108 */
9109 /*ARGSUSED*/
9110 static void
9111 ex_stopinsert(eap)
9112 exarg_T *eap;
9113 {
9114 restart_edit = 0;
9115 stop_insert_mode = TRUE;
9116 }
9117 #endif
9118
9119 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9120 /*
9121 * Execute normal mode command "cmd".
9122 * "remap" can be REMAP_NONE or REMAP_YES.
9123 */
9124 void
9125 exec_normal_cmd(cmd, remap, silent)
9126 char_u *cmd;
9127 int remap;
9128 int silent;
9129 {
9130 oparg_T oa;
9131
9132 /*
9133 * Stuff the argument into the typeahead buffer.
9134 * Execute normal_cmd() until there is no typeahead left.
9135 */
9136 clear_oparg(&oa);
9137 finish_op = FALSE;
9138 ins_typebuf(cmd, remap, 0, TRUE, silent);
9139 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9140 && !got_int)
9141 {
9142 update_topline_cursor();
9143 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9144 }
9145 }
9146 #endif
9147
9148 #ifdef FEAT_FIND_ID
9149 static void
9150 ex_checkpath(eap)
9151 exarg_T *eap;
9152 {
9153 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9154 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9155 (linenr_T)1, (linenr_T)MAXLNUM);
9156 }
9157
9158 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9159 /*
9160 * ":psearch"
9161 */
9162 static void
9163 ex_psearch(eap)
9164 exarg_T *eap;
9165 {
9166 g_do_tagpreview = p_pvh;
9167 ex_findpat(eap);
9168 g_do_tagpreview = 0;
9169 }
9170 #endif
9171
9172 static void
9173 ex_findpat(eap)
9174 exarg_T *eap;
9175 {
9176 int whole = TRUE;
9177 long n;
9178 char_u *p;
9179 int action;
9180
9181 switch (cmdnames[eap->cmdidx].cmd_name[2])
9182 {
9183 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9184 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9185 action = ACTION_GOTO;
9186 else
9187 action = ACTION_SHOW;
9188 break;
9189 case 'i': /* ":ilist" and ":dlist" */
9190 action = ACTION_SHOW_ALL;
9191 break;
9192 case 'u': /* ":ijump" and ":djump" */
9193 action = ACTION_GOTO;
9194 break;
9195 default: /* ":isplit" and ":dsplit" */
9196 action = ACTION_SPLIT;
9197 break;
9198 }
9199
9200 n = 1;
9201 if (vim_isdigit(*eap->arg)) /* get count */
9202 {
9203 n = getdigits(&eap->arg);
9204 eap->arg = skipwhite(eap->arg);
9205 }
9206 if (*eap->arg == '/') /* Match regexp, not just whole words */
9207 {
9208 whole = FALSE;
9209 ++eap->arg;
9210 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9211 if (*p)
9212 {
9213 *p++ = NUL;
9214 p = skipwhite(p);
9215
9216 /* Check for trailing illegal characters */
9217 if (!ends_excmd(*p))
9218 eap->errmsg = e_trailing;
9219 else
9220 eap->nextcmd = check_nextcmd(p);
9221 }
9222 }
9223 if (!eap->skip)
9224 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9225 whole, !eap->forceit,
9226 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9227 n, action, eap->line1, eap->line2);
9228 }
9229 #endif
9230
9231 #ifdef FEAT_WINDOWS
9232
9233 # ifdef FEAT_QUICKFIX
9234 /*
9235 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9236 */
9237 static void
9238 ex_ptag(eap)
9239 exarg_T *eap;
9240 {
9241 g_do_tagpreview = p_pvh;
9242 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9243 }
9244
9245 /*
9246 * ":pedit"
9247 */
9248 static void
9249 ex_pedit(eap)
9250 exarg_T *eap;
9251 {
9252 win_T *curwin_save = curwin;
9253
9254 g_do_tagpreview = p_pvh;
9255 prepare_tagpreview(TRUE);
9256 keep_help_flag = curwin_save->w_buffer->b_help;
9257 do_exedit(eap, NULL);
9258 keep_help_flag = FALSE;
9259 if (curwin != curwin_save && win_valid(curwin_save))
9260 {
9261 /* Return cursor to where we were */
9262 validate_cursor();
9263 redraw_later(VALID);
9264 win_enter(curwin_save, TRUE);
9265 }
9266 g_do_tagpreview = 0;
9267 }
9268 # endif
9269
9270 /*
9271 * ":stag", ":stselect" and ":stjump".
9272 */
9273 static void
9274 ex_stag(eap)
9275 exarg_T *eap;
9276 {
9277 postponed_split = -1;
9278 postponed_split_flags = cmdmod.split;
9279 postponed_split_tab = cmdmod.tab;
9280 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9281 postponed_split_flags = 0;
9282 postponed_split_tab = 0;
9283 }
9284 #endif
9285
9286 /*
9287 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9288 */
9289 static void
9290 ex_tag(eap)
9291 exarg_T *eap;
9292 {
9293 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9294 }
9295
9296 static void
9297 ex_tag_cmd(eap, name)
9298 exarg_T *eap;
9299 char_u *name;
9300 {
9301 int cmd;
9302
9303 switch (name[1])
9304 {
9305 case 'j': cmd = DT_JUMP; /* ":tjump" */
9306 break;
9307 case 's': cmd = DT_SELECT; /* ":tselect" */
9308 break;
9309 case 'p': cmd = DT_PREV; /* ":tprevious" */
9310 break;
9311 case 'N': cmd = DT_PREV; /* ":tNext" */
9312 break;
9313 case 'n': cmd = DT_NEXT; /* ":tnext" */
9314 break;
9315 case 'o': cmd = DT_POP; /* ":pop" */
9316 break;
9317 case 'f': /* ":tfirst" */
9318 case 'r': cmd = DT_FIRST; /* ":trewind" */
9319 break;
9320 case 'l': cmd = DT_LAST; /* ":tlast" */
9321 break;
9322 default: /* ":tag" */
9323 #ifdef FEAT_CSCOPE
9324 if (p_cst && *eap->arg != NUL)
9325 {
9326 do_cstag(eap);
9327 return;
9328 }
9329 #endif
9330 cmd = DT_TAG;
9331 break;
9332 }
9333
9334 if (name[0] == 'l')
9335 {
9336 #ifndef FEAT_QUICKFIX
9337 ex_ni(eap);
9338 return;
9339 #else
9340 cmd = DT_LTAG;
9341 #endif
9342 }
9343
9344 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9345 eap->forceit, TRUE);
9346 }
9347
9348 /*
9349 * Evaluate cmdline variables.
9350 *
9351 * change '%' to curbuf->b_ffname
9352 * '#' to curwin->w_altfile
9353 * '<cword>' to word under the cursor
9354 * '<cWORD>' to WORD under the cursor
9355 * '<cfile>' to path name under the cursor
9356 * '<sfile>' to sourced file name
9357 * '<afile>' to file name for autocommand
9358 * '<abuf>' to buffer number for autocommand
9359 * '<amatch>' to matching name for autocommand
9360 *
9361 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9362 * "" for error without a message) and NULL is returned.
9363 * Returns an allocated string if a valid match was found.
9364 * Returns NULL if no match was found. "usedlen" then still contains the
9365 * number of characters to skip.
9366 */
9367 char_u *
9368 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9369 char_u *src; /* pointer into commandline */
9370 char_u *srcstart; /* beginning of valid memory for src */
9371 int *usedlen; /* characters after src that are used */
9372 linenr_T *lnump; /* line number for :e command, or NULL */
9373 char_u **errormsg; /* pointer to error message */
9374 int *escaped; /* return value has escaped white space (can
9375 * be NULL) */
9376 {
9377 int i;
9378 char_u *s;
9379 char_u *result;
9380 char_u *resultbuf = NULL;
9381 int resultlen;
9382 buf_T *buf;
9383 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9384 int spec_idx;
9385 #ifdef FEAT_MODIFY_FNAME
9386 int skip_mod = FALSE;
9387 #endif
9388 static char *(spec_str[]) =
9389 {
9390 "%",
9391 #define SPEC_PERC 0
9392 "#",
9393 #define SPEC_HASH 1
9394 "<cword>", /* cursor word */
9395 #define SPEC_CWORD 2
9396 "<cWORD>", /* cursor WORD */
9397 #define SPEC_CCWORD 3
9398 "<cfile>", /* cursor path name */
9399 #define SPEC_CFILE 4
9400 "<sfile>", /* ":so" file name */
9401 #define SPEC_SFILE 5
9402 #ifdef FEAT_AUTOCMD
9403 "<afile>", /* autocommand file name */
9404 # define SPEC_AFILE 6
9405 "<abuf>", /* autocommand buffer number */
9406 # define SPEC_ABUF 7
9407 "<amatch>", /* autocommand match name */
9408 # define SPEC_AMATCH 8
9409 #endif
9410 #ifdef FEAT_CLIENTSERVER
9411 "<client>"
9412 # define SPEC_CLIENT 9
9413 #endif
9414 };
9415 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9416
9417 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9418 char_u strbuf[30];
9419 #endif
9420
9421 *errormsg = NULL;
9422 if (escaped != NULL)
9423 *escaped = FALSE;
9424
9425 /*
9426 * Check if there is something to do.
9427 */
9428 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9429 {
9430 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9431 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9432 break;
9433 }
9434 if (spec_idx == SPEC_COUNT) /* no match */
9435 {
9436 *usedlen = 1;
9437 return NULL;
9438 }
9439
9440 /*
9441 * Skip when preceded with a backslash "\%" and "\#".
9442 * Note: In "\\%" the % is also not recognized!
9443 */
9444 if (src > srcstart && src[-1] == '\\')
9445 {
9446 *usedlen = 0;
9447 mch_memmove(src - 1, src, STRLEN(src) + 1); /* remove backslash */
9448 return NULL;
9449 }
9450
9451 /*
9452 * word or WORD under cursor
9453 */
9454 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9455 {
9456 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9457 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9458 if (resultlen == 0)
9459 {
9460 *errormsg = (char_u *)"";
9461 return NULL;
9462 }
9463 }
9464
9465 /*
9466 * '#': Alternate file name
9467 * '%': Current file name
9468 * File name under the cursor
9469 * File name for autocommand
9470 * and following modifiers
9471 */
9472 else
9473 {
9474 switch (spec_idx)
9475 {
9476 case SPEC_PERC: /* '%': current file */
9477 if (curbuf->b_fname == NULL)
9478 {
9479 result = (char_u *)"";
9480 valid = 0; /* Must have ":p:h" to be valid */
9481 }
9482 else
9483 #ifdef RISCOS
9484 /* Always use the full path for RISC OS if possible. */
9485 result = curbuf->b_ffname;
9486 if (result == NULL)
9487 result = curbuf->b_fname;
9488 #else
9489 result = curbuf->b_fname;
9490 #endif
9491 break;
9492
9493 case SPEC_HASH: /* '#' or "#99": alternate file */
9494 if (src[1] == '#') /* "##": the argument list */
9495 {
9496 result = arg_all();
9497 resultbuf = result;
9498 *usedlen = 2;
9499 if (escaped != NULL)
9500 *escaped = TRUE;
9501 #ifdef FEAT_MODIFY_FNAME
9502 skip_mod = TRUE;
9503 #endif
9504 break;
9505 }
9506 s = src + 1;
9507 i = (int)getdigits(&s);
9508 *usedlen = (int)(s - src); /* length of what we expand */
9509
9510 buf = buflist_findnr(i);
9511 if (buf == NULL)
9512 {
9513 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9514 return NULL;
9515 }
9516 if (lnump != NULL)
9517 *lnump = ECMD_LAST;
9518 if (buf->b_fname == NULL)
9519 {
9520 result = (char_u *)"";
9521 valid = 0; /* Must have ":p:h" to be valid */
9522 }
9523 else
9524 result = buf->b_fname;
9525 break;
9526
9527 #ifdef FEAT_SEARCHPATH
9528 case SPEC_CFILE: /* file name under cursor */
9529 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9530 if (result == NULL)
9531 {
9532 *errormsg = (char_u *)"";
9533 return NULL;
9534 }
9535 resultbuf = result; /* remember allocated string */
9536 break;
9537 #endif
9538
9539 #ifdef FEAT_AUTOCMD
9540 case SPEC_AFILE: /* file name for autocommand */
9541 result = autocmd_fname;
9542 if (result == NULL)
9543 {
9544 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9545 return NULL;
9546 }
9547 result = shorten_fname1(result);
9548 break;
9549
9550 case SPEC_ABUF: /* buffer number for autocommand */
9551 if (autocmd_bufnr <= 0)
9552 {
9553 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9554 return NULL;
9555 }
9556 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9557 result = strbuf;
9558 break;
9559
9560 case SPEC_AMATCH: /* match name for autocommand */
9561 result = autocmd_match;
9562 if (result == NULL)
9563 {
9564 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9565 return NULL;
9566 }
9567 break;
9568
9569 #endif
9570 case SPEC_SFILE: /* file name for ":so" command */
9571 result = sourcing_name;
9572 if (result == NULL)
9573 {
9574 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9575 return NULL;
9576 }
9577 break;
9578 #if defined(FEAT_CLIENTSERVER)
9579 case SPEC_CLIENT: /* Source of last submitted input */
9580 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9581 (long_u)clientWindow);
9582 result = strbuf;
9583 break;
9584 #endif
9585 }
9586
9587 resultlen = (int)STRLEN(result); /* length of new string */
9588 if (src[*usedlen] == '<') /* remove the file name extension */
9589 {
9590 ++*usedlen;
9591 #ifdef RISCOS
9592 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9593 #else
9594 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9595 #endif
9596 resultlen = (int)(s - result);
9597 }
9598 #ifdef FEAT_MODIFY_FNAME
9599 else if (!skip_mod)
9600 {
9601 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9602 &resultlen);
9603 if (result == NULL)
9604 {
9605 *errormsg = (char_u *)"";
9606 return NULL;
9607 }
9608 }
9609 #endif
9610 }
9611
9612 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9613 {
9614 if (valid != VALID_HEAD + VALID_PATH)
9615 /* xgettext:no-c-format */
9616 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9617 else
9618 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9619 result = NULL;
9620 }
9621 else
9622 result = vim_strnsave(result, resultlen);
9623 vim_free(resultbuf);
9624 return result;
9625 }
9626
9627 /*
9628 * Concatenate all files in the argument list, separated by spaces, and return
9629 * it in one allocated string.
9630 * Spaces and backslashes in the file names are escaped with a backslash.
9631 * Returns NULL when out of memory.
9632 */
9633 static char_u *
9634 arg_all()
9635 {
9636 int len;
9637 int idx;
9638 char_u *retval = NULL;
9639 char_u *p;
9640
9641 /*
9642 * Do this loop two times:
9643 * first time: compute the total length
9644 * second time: concatenate the names
9645 */
9646 for (;;)
9647 {
9648 len = 0;
9649 for (idx = 0; idx < ARGCOUNT; ++idx)
9650 {
9651 p = alist_name(&ARGLIST[idx]);
9652 if (p != NULL)
9653 {
9654 if (len > 0)
9655 {
9656 /* insert a space in between names */
9657 if (retval != NULL)
9658 retval[len] = ' ';
9659 ++len;
9660 }
9661 for ( ; *p != NUL; ++p)
9662 {
9663 if (*p == ' ' || *p == '\\')
9664 {
9665 /* insert a backslash */
9666 if (retval != NULL)
9667 retval[len] = '\\';
9668 ++len;
9669 }
9670 if (retval != NULL)
9671 retval[len] = *p;
9672 ++len;
9673 }
9674 }
9675 }
9676
9677 /* second time: break here */
9678 if (retval != NULL)
9679 {
9680 retval[len] = NUL;
9681 break;
9682 }
9683
9684 /* allocate memory */
9685 retval = alloc(len + 1);
9686 if (retval == NULL)
9687 break;
9688 }
9689
9690 return retval;
9691 }
9692
9693 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9694 /*
9695 * Expand the <sfile> string in "arg".
9696 *
9697 * Returns an allocated string, or NULL for any error.
9698 */
9699 char_u *
9700 expand_sfile(arg)
9701 char_u *arg;
9702 {
9703 char_u *errormsg;
9704 int len;
9705 char_u *result;
9706 char_u *newres;
9707 char_u *repl;
9708 int srclen;
9709 char_u *p;
9710
9711 result = vim_strsave(arg);
9712 if (result == NULL)
9713 return NULL;
9714
9715 for (p = result; *p; )
9716 {
9717 if (STRNCMP(p, "<sfile>", 7) != 0)
9718 ++p;
9719 else
9720 {
9721 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9722 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9723 if (errormsg != NULL)
9724 {
9725 if (*errormsg)
9726 emsg(errormsg);
9727 vim_free(result);
9728 return NULL;
9729 }
9730 if (repl == NULL) /* no match (cannot happen) */
9731 {
9732 p += srclen;
9733 continue;
9734 }
9735 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9736 newres = alloc(len);
9737 if (newres == NULL)
9738 {
9739 vim_free(repl);
9740 vim_free(result);
9741 return NULL;
9742 }
9743 mch_memmove(newres, result, (size_t)(p - result));
9744 STRCPY(newres + (p - result), repl);
9745 len = (int)STRLEN(newres);
9746 STRCAT(newres, p + srclen);
9747 vim_free(repl);
9748 vim_free(result);
9749 result = newres;
9750 p = newres + len; /* continue after the match */
9751 }
9752 }
9753
9754 return result;
9755 }
9756 #endif
9757
9758 #ifdef FEAT_SESSION
9759 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9760 win_T *tab_firstwin));
9761 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9762 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9763 static int ses_do_frame __ARGS((frame_T *fr));
9764 static int ses_do_win __ARGS((win_T *wp));
9765 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9766 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9767 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9768
9769 /*
9770 * Write openfile commands for the current buffers to an .exrc file.
9771 * Return FAIL on error, OK otherwise.
9772 */
9773 static int
9774 makeopens(fd, dirnow)
9775 FILE *fd;
9776 char_u *dirnow; /* Current directory name */
9777 {
9778 buf_T *buf;
9779 int only_save_windows = TRUE;
9780 int nr;
9781 int cnr = 1;
9782 int restore_size = TRUE;
9783 win_T *wp;
9784 char_u *sname;
9785 win_T *edited_win = NULL;
9786 int tabnr;
9787 win_T *tab_firstwin;
9788 frame_T *tab_topframe;
9789 int cur_arg_idx = 0;
9790 int next_arg_idx = 0;
9791
9792 if (ssop_flags & SSOP_BUFFERS)
9793 only_save_windows = FALSE; /* Save ALL buffers */
9794
9795 /*
9796 * Begin by setting the this_session variable, and then other
9797 * sessionable variables.
9798 */
9799 #ifdef FEAT_EVAL
9800 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9801 return FAIL;
9802 if (ssop_flags & SSOP_GLOBALS)
9803 if (store_session_globals(fd) == FAIL)
9804 return FAIL;
9805 #endif
9806
9807 /*
9808 * Close all windows but one.
9809 */
9810 if (put_line(fd, "silent only") == FAIL)
9811 return FAIL;
9812
9813 /*
9814 * Now a :cd command to the session directory or the current directory
9815 */
9816 if (ssop_flags & SSOP_SESDIR)
9817 {
9818 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9819 == FAIL)
9820 return FAIL;
9821 }
9822 else if (ssop_flags & SSOP_CURDIR)
9823 {
9824 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9825 if (sname == NULL
9826 || fputs("cd ", fd) < 0
9827 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9828 || put_eol(fd) == FAIL)
9829 {
9830 vim_free(sname);
9831 return FAIL;
9832 }
9833 vim_free(sname);
9834 }
9835
9836 /*
9837 * If there is an empty, unnamed buffer we will wipe it out later.
9838 * Remember the buffer number.
9839 */
9840 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9841 return FAIL;
9842 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9843 return FAIL;
9844 if (put_line(fd, "endif") == FAIL)
9845 return FAIL;
9846
9847 /*
9848 * Now save the current files, current buffer first.
9849 */
9850 if (put_line(fd, "set shortmess=aoO") == FAIL)
9851 return FAIL;
9852
9853 /* Now put the other buffers into the buffer list */
9854 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9855 {
9856 if (!(only_save_windows && buf->b_nwindows == 0)
9857 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9858 && buf->b_fname != NULL
9859 && buf->b_p_bl)
9860 {
9861 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9862 : buf->b_wininfo->wi_fpos.lnum) < 0
9863 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9864 return FAIL;
9865 }
9866 }
9867
9868 /* the global argument list */
9869 if (ses_arglist(fd, "args", &global_alist.al_ga,
9870 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9871 return FAIL;
9872
9873 if (ssop_flags & SSOP_RESIZE)
9874 {
9875 /* Note: after the restore we still check it worked!*/
9876 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9877 || put_eol(fd) == FAIL)
9878 return FAIL;
9879 }
9880
9881 #ifdef FEAT_GUI
9882 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9883 {
9884 int x, y;
9885
9886 if (gui_mch_get_winpos(&x, &y) == OK)
9887 {
9888 /* Note: after the restore we still check it worked!*/
9889 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9890 return FAIL;
9891 }
9892 }
9893 #endif
9894
9895 /*
9896 * May repeat putting Windows for each tab, when "tabpages" is in
9897 * 'sessionoptions'.
9898 * Don't use goto_tabpage(), it may change directory and trigger
9899 * autocommands.
9900 */
9901 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9902 tab_topframe = topframe;
9903 for (tabnr = 1; ; ++tabnr)
9904 {
9905 int need_tabnew = FALSE;
9906
9907 if ((ssop_flags & SSOP_TABPAGES))
9908 {
9909 tabpage_T *tp = find_tabpage(tabnr);
9910
9911 if (tp == NULL)
9912 break; /* done all tab pages */
9913 if (tp == curtab)
9914 {
9915 tab_firstwin = firstwin;
9916 tab_topframe = topframe;
9917 }
9918 else
9919 {
9920 tab_firstwin = tp->tp_firstwin;
9921 tab_topframe = tp->tp_topframe;
9922 }
9923 if (tabnr > 1)
9924 need_tabnew = TRUE;
9925 }
9926
9927 /*
9928 * Before creating the window layout, try loading one file. If this
9929 * is aborted we don't end up with a number of useless windows.
9930 * This may have side effects! (e.g., compressed or network file).
9931 */
9932 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9933 {
9934 if (ses_do_win(wp)
9935 && wp->w_buffer->b_ffname != NULL
9936 && !wp->w_buffer->b_help
9937 #ifdef FEAT_QUICKFIX
9938 && !bt_nofile(wp->w_buffer)
9939 #endif
9940 )
9941 {
9942 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9943 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9944 return FAIL;
9945 need_tabnew = FALSE;
9946 if (!wp->w_arg_idx_invalid)
9947 edited_win = wp;
9948 break;
9949 }
9950 }
9951
9952 /* If no file got edited create an empty tab page. */
9953 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9954 return FAIL;
9955
9956 /*
9957 * Save current window layout.
9958 */
9959 if (put_line(fd, "set splitbelow splitright") == FAIL)
9960 return FAIL;
9961 if (ses_win_rec(fd, tab_topframe) == FAIL)
9962 return FAIL;
9963 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9964 return FAIL;
9965 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9966 return FAIL;
9967
9968 /*
9969 * Check if window sizes can be restored (no windows omitted).
9970 * Remember the window number of the current window after restoring.
9971 */
9972 nr = 0;
9973 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9974 {
9975 if (ses_do_win(wp))
9976 ++nr;
9977 else
9978 restore_size = FALSE;
9979 if (curwin == wp)
9980 cnr = nr;
9981 }
9982
9983 /* Go to the first window. */
9984 if (put_line(fd, "wincmd t") == FAIL)
9985 return FAIL;
9986
9987 /*
9988 * If more than one window, see if sizes can be restored.
9989 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9990 * resized when moving between windows.
9991 * Do this before restoring the view, so that the topline and the
9992 * cursor can be set. This is done again below.
9993 */
9994 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9995 return FAIL;
9996 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9997 return FAIL;
9998
9999 /*
10000 * Restore the view of the window (options, file, cursor, etc.).
10001 */
10002 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10003 {
10004 if (!ses_do_win(wp))
10005 continue;
10006 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10007 cur_arg_idx) == FAIL)
10008 return FAIL;
10009 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10010 return FAIL;
10011 next_arg_idx = wp->w_arg_idx;
10012 }
10013
10014 /* The argument index in the first tab page is zero, need to set it in
10015 * each window. For further tab pages it's the window where we do
10016 * "tabedit". */
10017 cur_arg_idx = next_arg_idx;
10018
10019 /*
10020 * Restore cursor to the current window if it's not the first one.
10021 */
10022 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10023 || put_eol(fd) == FAIL))
10024 return FAIL;
10025
10026 /*
10027 * Restore window sizes again after jumping around in windows, because
10028 * the current window has a minimum size while others may not.
10029 */
10030 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10031 return FAIL;
10032
10033 /* Don't continue in another tab page when doing only the current one
10034 * or when at the last tab page. */
10035 if (!(ssop_flags & SSOP_TABPAGES))
10036 break;
10037 }
10038
10039 if (ssop_flags & SSOP_TABPAGES)
10040 {
10041 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10042 || put_eol(fd) == FAIL)
10043 return FAIL;
10044 }
10045
10046 /*
10047 * Wipe out an empty unnamed buffer we started in.
10048 */
10049 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10050 return FAIL;
10051 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10052 return FAIL;
10053 if (put_line(fd, "endif") == FAIL)
10054 return FAIL;
10055 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10056 return FAIL;
10057
10058 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10059 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10060 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10061 return FAIL;
10062
10063 /*
10064 * Lastly, execute the x.vim file if it exists.
10065 */
10066 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10067 || put_line(fd, "if file_readable(s:sx)") == FAIL
10068 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10069 || put_line(fd, "endif") == FAIL)
10070 return FAIL;
10071
10072 return OK;
10073 }
10074
10075 static int
10076 ses_winsizes(fd, restore_size, tab_firstwin)
10077 FILE *fd;
10078 int restore_size;
10079 win_T *tab_firstwin;
10080 {
10081 int n = 0;
10082 win_T *wp;
10083
10084 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10085 {
10086 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10087 {
10088 if (!ses_do_win(wp))
10089 continue;
10090 ++n;
10091
10092 /* restore height when not full height */
10093 if (wp->w_height + wp->w_status_height < topframe->fr_height
10094 && (fprintf(fd,
10095 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10096 n, (long)wp->w_height, Rows / 2, Rows) < 0
10097 || put_eol(fd) == FAIL))
10098 return FAIL;
10099
10100 /* restore width when not full width */
10101 if (wp->w_width < Columns && (fprintf(fd,
10102 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10103 n, (long)wp->w_width, Columns / 2, Columns) < 0
10104 || put_eol(fd) == FAIL))
10105 return FAIL;
10106 }
10107 }
10108 else
10109 {
10110 /* Just equalise window sizes */
10111 if (put_line(fd, "wincmd =") == FAIL)
10112 return FAIL;
10113 }
10114 return OK;
10115 }
10116
10117 /*
10118 * Write commands to "fd" to recursively create windows for frame "fr",
10119 * horizontally and vertically split.
10120 * After the commands the last window in the frame is the current window.
10121 * Returns FAIL when writing the commands to "fd" fails.
10122 */
10123 static int
10124 ses_win_rec(fd, fr)
10125 FILE *fd;
10126 frame_T *fr;
10127 {
10128 frame_T *frc;
10129 int count = 0;
10130
10131 if (fr->fr_layout != FR_LEAF)
10132 {
10133 /* Find first frame that's not skipped and then create a window for
10134 * each following one (first frame is already there). */
10135 frc = ses_skipframe(fr->fr_child);
10136 if (frc != NULL)
10137 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10138 {
10139 /* Make window as big as possible so that we have lots of room
10140 * to split. */
10141 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10142 || put_line(fd, fr->fr_layout == FR_COL
10143 ? "split" : "vsplit") == FAIL)
10144 return FAIL;
10145 ++count;
10146 }
10147
10148 /* Go back to the first window. */
10149 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10150 ? "%dwincmd k" : "%dwincmd h", count) < 0
10151 || put_eol(fd) == FAIL))
10152 return FAIL;
10153
10154 /* Recursively create frames/windows in each window of this column or
10155 * row. */
10156 frc = ses_skipframe(fr->fr_child);
10157 while (frc != NULL)
10158 {
10159 ses_win_rec(fd, frc);
10160 frc = ses_skipframe(frc->fr_next);
10161 /* Go to next window. */
10162 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10163 return FAIL;
10164 }
10165 }
10166 return OK;
10167 }
10168
10169 /*
10170 * Skip frames that don't contain windows we want to save in the Session.
10171 * Returns NULL when there none.
10172 */
10173 static frame_T *
10174 ses_skipframe(fr)
10175 frame_T *fr;
10176 {
10177 frame_T *frc;
10178
10179 for (frc = fr; frc != NULL; frc = frc->fr_next)
10180 if (ses_do_frame(frc))
10181 break;
10182 return frc;
10183 }
10184
10185 /*
10186 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10187 * the Session.
10188 */
10189 static int
10190 ses_do_frame(fr)
10191 frame_T *fr;
10192 {
10193 frame_T *frc;
10194
10195 if (fr->fr_layout == FR_LEAF)
10196 return ses_do_win(fr->fr_win);
10197 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10198 if (ses_do_frame(frc))
10199 return TRUE;
10200 return FALSE;
10201 }
10202
10203 /*
10204 * Return non-zero if window "wp" is to be stored in the Session.
10205 */
10206 static int
10207 ses_do_win(wp)
10208 win_T *wp;
10209 {
10210 if (wp->w_buffer->b_fname == NULL
10211 #ifdef FEAT_QUICKFIX
10212 /* When 'buftype' is "nofile" can't restore the window contents. */
10213 || bt_nofile(wp->w_buffer)
10214 #endif
10215 )
10216 return (ssop_flags & SSOP_BLANK);
10217 if (wp->w_buffer->b_help)
10218 return (ssop_flags & SSOP_HELP);
10219 return TRUE;
10220 }
10221
10222 /*
10223 * Write commands to "fd" to restore the view of a window.
10224 * Caller must make sure 'scrolloff' is zero.
10225 */
10226 static int
10227 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10228 FILE *fd;
10229 win_T *wp;
10230 int add_edit; /* add ":edit" command to view */
10231 unsigned *flagp; /* vop_flags or ssop_flags */
10232 int current_arg_idx; /* current argument index of the window, use
10233 * -1 if unknown */
10234 {
10235 win_T *save_curwin;
10236 int f;
10237 int do_cursor;
10238 int did_next = FALSE;
10239
10240 /* Always restore cursor position for ":mksession". For ":mkview" only
10241 * when 'viewoptions' contains "cursor". */
10242 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10243
10244 /*
10245 * Local argument list.
10246 */
10247 if (wp->w_alist == &global_alist)
10248 {
10249 if (put_line(fd, "argglobal") == FAIL)
10250 return FAIL;
10251 }
10252 else
10253 {
10254 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10255 flagp == &vop_flags
10256 || !(*flagp & SSOP_CURDIR)
10257 || wp->w_localdir != NULL, flagp) == FAIL)
10258 return FAIL;
10259 }
10260
10261 /* Only when part of a session: restore the argument index. Some
10262 * arguments may have been deleted, check if the index is valid. */
10263 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10264 && flagp == &ssop_flags)
10265 {
10266 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10267 || put_eol(fd) == FAIL)
10268 return FAIL;
10269 did_next = TRUE;
10270 }
10271
10272 /* Edit the file. Skip this when ":next" already did it. */
10273 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10274 {
10275 /*
10276 * Load the file.
10277 */
10278 if (wp->w_buffer->b_ffname != NULL
10279 #ifdef FEAT_QUICKFIX
10280 && !bt_nofile(wp->w_buffer)
10281 #endif
10282 )
10283 {
10284 /*
10285 * Editing a file in this buffer: use ":edit file".
10286 * This may have side effects! (e.g., compressed or network file).
10287 */
10288 if (fputs("edit ", fd) < 0
10289 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10290 return FAIL;
10291 }
10292 else
10293 {
10294 /* No file in this buffer, just make it empty. */
10295 if (put_line(fd, "enew") == FAIL)
10296 return FAIL;
10297 #ifdef FEAT_QUICKFIX
10298 if (wp->w_buffer->b_ffname != NULL)
10299 {
10300 /* The buffer does have a name, but it's not a file name. */
10301 if (fputs("file ", fd) < 0
10302 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10303 return FAIL;
10304 }
10305 #endif
10306 do_cursor = FALSE;
10307 }
10308 }
10309
10310 /*
10311 * Local mappings and abbreviations.
10312 */
10313 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10314 && makemap(fd, wp->w_buffer) == FAIL)
10315 return FAIL;
10316
10317 /*
10318 * Local options. Need to go to the window temporarily.
10319 * Store only local values when using ":mkview" and when ":mksession" is
10320 * used and 'sessionoptions' doesn't include "options".
10321 * Some folding options are always stored when "folds" is included,
10322 * otherwise the folds would not be restored correctly.
10323 */
10324 save_curwin = curwin;
10325 curwin = wp;
10326 curbuf = curwin->w_buffer;
10327 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10328 f = makeset(fd, OPT_LOCAL,
10329 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10330 #ifdef FEAT_FOLDING
10331 else if (*flagp & SSOP_FOLDS)
10332 f = makefoldset(fd);
10333 #endif
10334 else
10335 f = OK;
10336 curwin = save_curwin;
10337 curbuf = curwin->w_buffer;
10338 if (f == FAIL)
10339 return FAIL;
10340
10341 #ifdef FEAT_FOLDING
10342 /*
10343 * Save Folds when 'buftype' is empty and for help files.
10344 */
10345 if ((*flagp & SSOP_FOLDS)
10346 && wp->w_buffer->b_ffname != NULL
10347 # ifdef FEAT_QUICKFIX
10348 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10349 # endif
10350 )
10351 {
10352 if (put_folds(fd, wp) == FAIL)
10353 return FAIL;
10354 }
10355 #endif
10356
10357 /*
10358 * Set the cursor after creating folds, since that moves the cursor.
10359 */
10360 if (do_cursor)
10361 {
10362
10363 /* Restore the cursor line in the file and relatively in the
10364 * window. Don't use "G", it changes the jumplist. */
10365 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10366 (long)wp->w_cursor.lnum,
10367 (long)(wp->w_cursor.lnum - wp->w_topline),
10368 (long)wp->w_height / 2, (long)wp->w_height) < 0
10369 || put_eol(fd) == FAIL
10370 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10371 || put_line(fd, "exe s:l") == FAIL
10372 || put_line(fd, "normal! zt") == FAIL
10373 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10374 || put_eol(fd) == FAIL)
10375 return FAIL;
10376 /* Restore the cursor column and left offset when not wrapping. */
10377 if (wp->w_cursor.col == 0)
10378 {
10379 if (put_line(fd, "normal! 0") == FAIL)
10380 return FAIL;
10381 }
10382 else
10383 {
10384 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10385 {
10386 if (fprintf(fd,
10387 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10388 (long)wp->w_cursor.col,
10389 (long)(wp->w_cursor.col - wp->w_leftcol),
10390 (long)wp->w_width / 2, (long)wp->w_width) < 0
10391 || put_eol(fd) == FAIL
10392 || put_line(fd, "if s:c > 0") == FAIL
10393 || fprintf(fd,
10394 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10395 (long)wp->w_cursor.col) < 0
10396 || put_eol(fd) == FAIL
10397 || put_line(fd, "else") == FAIL
10398 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10399 || put_eol(fd) == FAIL
10400 || put_line(fd, "endif") == FAIL)
10401 return FAIL;
10402 }
10403 else
10404 {
10405 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10406 || put_eol(fd) == FAIL)
10407 return FAIL;
10408 }
10409 }
10410 }
10411
10412 /*
10413 * Local directory.
10414 */
10415 if (wp->w_localdir != NULL)
10416 {
10417 if (fputs("lcd ", fd) < 0
10418 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10419 || put_eol(fd) == FAIL)
10420 return FAIL;
10421 did_lcd = TRUE;
10422 }
10423
10424 return OK;
10425 }
10426
10427 /*
10428 * Write an argument list to the session file.
10429 * Returns FAIL if writing fails.
10430 */
10431 static int
10432 ses_arglist(fd, cmd, gap, fullname, flagp)
10433 FILE *fd;
10434 char *cmd;
10435 garray_T *gap;
10436 int fullname; /* TRUE: use full path name */
10437 unsigned *flagp;
10438 {
10439 int i;
10440 char_u buf[MAXPATHL];
10441 char_u *s;
10442
10443 if (gap->ga_len == 0)
10444 return put_line(fd, "silent! argdel *");
10445 if (fputs(cmd, fd) < 0)
10446 return FAIL;
10447 for (i = 0; i < gap->ga_len; ++i)
10448 {
10449 /* NULL file names are skipped (only happens when out of memory). */
10450 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10451 if (s != NULL)
10452 {
10453 if (fullname)
10454 {
10455 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10456 s = buf;
10457 }
10458 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10459 return FAIL;
10460 }
10461 }
10462 return put_eol(fd);
10463 }
10464
10465 /*
10466 * Write a buffer name to the session file.
10467 * Also ends the line.
10468 * Returns FAIL if writing fails.
10469 */
10470 static int
10471 ses_fname(fd, buf, flagp)
10472 FILE *fd;
10473 buf_T *buf;
10474 unsigned *flagp;
10475 {
10476 char_u *name;
10477
10478 /* Use the short file name if the current directory is known at the time
10479 * the session file will be sourced.
10480 * Don't do this for ":mkview", we don't know the current directory.
10481 * Don't do this after ":lcd", we don't keep track of what the current
10482 * directory is. */
10483 if (buf->b_sfname != NULL
10484 && flagp == &ssop_flags
10485 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10486 && !did_lcd)
10487 name = buf->b_sfname;
10488 else
10489 name = buf->b_ffname;
10490 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10491 return FAIL;
10492 return OK;
10493 }
10494
10495 /*
10496 * Write a file name to the session file.
10497 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10498 * characters.
10499 * Returns FAIL if writing fails.
10500 */
10501 static int
10502 ses_put_fname(fd, name, flagp)
10503 FILE *fd;
10504 char_u *name;
10505 unsigned *flagp;
10506 {
10507 char_u *sname;
10508 int retval = OK;
10509 int c;
10510
10511 sname = home_replace_save(NULL, name);
10512 if (sname != NULL)
10513 name = sname;
10514 while (*name != NUL)
10515 {
10516 #ifdef FEAT_MBYTE
10517 {
10518 int l;
10519
10520 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10521 {
10522 /* copy a multibyte char */
10523 while (--l >= 0)
10524 {
10525 if (putc(*name, fd) != *name)
10526 retval = FAIL;
10527 ++name;
10528 }
10529 continue;
10530 }
10531 }
10532 #endif
10533 c = *name++;
10534 if (c == '\\' && (*flagp & SSOP_SLASH))
10535 /* change a backslash to a forward slash */
10536 c = '/';
10537 else if ((vim_strchr(escape_chars, c) != NULL
10538 #ifdef BACKSLASH_IN_FILENAME
10539 && c != '\\'
10540 #endif
10541 ) || c == '#' || c == '%')
10542 {
10543 /* escape a special character with a backslash */
10544 if (putc('\\', fd) != '\\')
10545 retval = FAIL;
10546 }
10547 if (putc(c, fd) != c)
10548 retval = FAIL;
10549 }
10550 vim_free(sname);
10551 return retval;
10552 }
10553
10554 /*
10555 * ":loadview [nr]"
10556 */
10557 static void
10558 ex_loadview(eap)
10559 exarg_T *eap;
10560 {
10561 char_u *fname;
10562
10563 fname = get_view_file(*eap->arg);
10564 if (fname != NULL)
10565 {
10566 do_source(fname, FALSE, DOSO_NONE);
10567 vim_free(fname);
10568 }
10569 }
10570
10571 /*
10572 * Get the name of the view file for the current buffer.
10573 */
10574 static char_u *
10575 get_view_file(c)
10576 int c;
10577 {
10578 int len = 0;
10579 char_u *p, *s;
10580 char_u *retval;
10581 char_u *sname;
10582
10583 if (curbuf->b_ffname == NULL)
10584 {
10585 EMSG(_(e_noname));
10586 return NULL;
10587 }
10588 sname = home_replace_save(NULL, curbuf->b_ffname);
10589 if (sname == NULL)
10590 return NULL;
10591
10592 /*
10593 * We want a file name without separators, because we're not going to make
10594 * a directory.
10595 * "normal" path separator -> "=+"
10596 * "=" -> "=="
10597 * ":" path separator -> "=-"
10598 */
10599 for (p = sname; *p; ++p)
10600 if (*p == '=' || vim_ispathsep(*p))
10601 ++len;
10602 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10603 if (retval != NULL)
10604 {
10605 STRCPY(retval, p_vdir);
10606 add_pathsep(retval);
10607 s = retval + STRLEN(retval);
10608 for (p = sname; *p; ++p)
10609 {
10610 if (*p == '=')
10611 {
10612 *s++ = '=';
10613 *s++ = '=';
10614 }
10615 else if (vim_ispathsep(*p))
10616 {
10617 *s++ = '=';
10618 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10619 || defined(VMS)
10620 if (*p == ':')
10621 *s++ = '-';
10622 else
10623 #endif
10624 *s++ = '+';
10625 }
10626 else
10627 *s++ = *p;
10628 }
10629 *s++ = '=';
10630 *s++ = c;
10631 STRCPY(s, ".vim");
10632 }
10633
10634 vim_free(sname);
10635 return retval;
10636 }
10637
10638 #endif /* FEAT_SESSION */
10639
10640 /*
10641 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10642 * Return FAIL for a write error.
10643 */
10644 int
10645 put_eol(fd)
10646 FILE *fd;
10647 {
10648 if (
10649 #ifdef USE_CRNL
10650 (
10651 # ifdef MKSESSION_NL
10652 !mksession_nl &&
10653 # endif
10654 (putc('\r', fd) < 0)) ||
10655 #endif
10656 (putc('\n', fd) < 0))
10657 return FAIL;
10658 return OK;
10659 }
10660
10661 /*
10662 * Write a line to "fd".
10663 * Return FAIL for a write error.
10664 */
10665 int
10666 put_line(fd, s)
10667 FILE *fd;
10668 char *s;
10669 {
10670 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10671 return FAIL;
10672 return OK;
10673 }
10674
10675 #ifdef FEAT_VIMINFO
10676 /*
10677 * ":rviminfo" and ":wviminfo".
10678 */
10679 static void
10680 ex_viminfo(eap)
10681 exarg_T *eap;
10682 {
10683 char_u *save_viminfo;
10684
10685 save_viminfo = p_viminfo;
10686 if (*p_viminfo == NUL)
10687 p_viminfo = (char_u *)"'100";
10688 if (eap->cmdidx == CMD_rviminfo)
10689 {
10690 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10691 EMSG(_("E195: Cannot open viminfo file for reading"));
10692 }
10693 else
10694 write_viminfo(eap->arg, eap->forceit);
10695 p_viminfo = save_viminfo;
10696 }
10697 #endif
10698
10699 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10700 /*
10701 * Make a dialog message in "buff[IOSIZE]".
10702 * "format" must contain "%s".
10703 */
10704 void
10705 dialog_msg(buff, format, fname)
10706 char_u *buff;
10707 char *format;
10708 char_u *fname;
10709 {
10710 if (fname == NULL)
10711 fname = (char_u *)_("Untitled");
10712 vim_snprintf((char *)buff, IOSIZE, format, fname);
10713 }
10714 #endif
10715
10716 /*
10717 * ":behave {mswin,xterm}"
10718 */
10719 static void
10720 ex_behave(eap)
10721 exarg_T *eap;
10722 {
10723 if (STRCMP(eap->arg, "mswin") == 0)
10724 {
10725 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10726 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10727 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10728 set_option_value((char_u *)"keymodel", 0L,
10729 (char_u *)"startsel,stopsel", 0);
10730 }
10731 else if (STRCMP(eap->arg, "xterm") == 0)
10732 {
10733 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10734 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10735 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10736 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10737 }
10738 else
10739 EMSG2(_(e_invarg2), eap->arg);
10740 }
10741
10742 #ifdef FEAT_AUTOCMD
10743 static int filetype_detect = FALSE;
10744 static int filetype_plugin = FALSE;
10745 static int filetype_indent = FALSE;
10746
10747 /*
10748 * ":filetype [plugin] [indent] {on,off,detect}"
10749 * on: Load the filetype.vim file to install autocommands for file types.
10750 * off: Load the ftoff.vim file to remove all autocommands for file types.
10751 * plugin on: load filetype.vim and ftplugin.vim
10752 * plugin off: load ftplugof.vim
10753 * indent on: load filetype.vim and indent.vim
10754 * indent off: load indoff.vim
10755 */
10756 static void
10757 ex_filetype(eap)
10758 exarg_T *eap;
10759 {
10760 char_u *arg = eap->arg;
10761 int plugin = FALSE;
10762 int indent = FALSE;
10763
10764 if (*eap->arg == NUL)
10765 {
10766 /* Print current status. */
10767 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10768 filetype_detect ? "ON" : "OFF",
10769 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10770 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10771 return;
10772 }
10773
10774 /* Accept "plugin" and "indent" in any order. */
10775 for (;;)
10776 {
10777 if (STRNCMP(arg, "plugin", 6) == 0)
10778 {
10779 plugin = TRUE;
10780 arg = skipwhite(arg + 6);
10781 continue;
10782 }
10783 if (STRNCMP(arg, "indent", 6) == 0)
10784 {
10785 indent = TRUE;
10786 arg = skipwhite(arg + 6);
10787 continue;
10788 }
10789 break;
10790 }
10791 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10792 {
10793 if (*arg == 'o' || !filetype_detect)
10794 {
10795 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10796 filetype_detect = TRUE;
10797 if (plugin)
10798 {
10799 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10800 filetype_plugin = TRUE;
10801 }
10802 if (indent)
10803 {
10804 source_runtime((char_u *)INDENT_FILE, TRUE);
10805 filetype_indent = TRUE;
10806 }
10807 }
10808 if (*arg == 'd')
10809 {
10810 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10811 do_modelines(0);
10812 }
10813 }
10814 else if (STRCMP(arg, "off") == 0)
10815 {
10816 if (plugin || indent)
10817 {
10818 if (plugin)
10819 {
10820 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10821 filetype_plugin = FALSE;
10822 }
10823 if (indent)
10824 {
10825 source_runtime((char_u *)INDOFF_FILE, TRUE);
10826 filetype_indent = FALSE;
10827 }
10828 }
10829 else
10830 {
10831 source_runtime((char_u *)FTOFF_FILE, TRUE);
10832 filetype_detect = FALSE;
10833 }
10834 }
10835 else
10836 EMSG2(_(e_invarg2), arg);
10837 }
10838
10839 /*
10840 * ":setfiletype {name}"
10841 */
10842 static void
10843 ex_setfiletype(eap)
10844 exarg_T *eap;
10845 {
10846 if (!did_filetype)
10847 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10848 }
10849 #endif
10850
10851 /*ARGSUSED*/
10852 static void
10853 ex_digraphs(eap)
10854 exarg_T *eap;
10855 {
10856 #ifdef FEAT_DIGRAPHS
10857 if (*eap->arg != NUL)
10858 putdigraph(eap->arg);
10859 else
10860 listdigraphs();
10861 #else
10862 EMSG(_("E196: No digraphs in this version"));
10863 #endif
10864 }
10865
10866 static void
10867 ex_set(eap)
10868 exarg_T *eap;
10869 {
10870 int flags = 0;
10871
10872 if (eap->cmdidx == CMD_setlocal)
10873 flags = OPT_LOCAL;
10874 else if (eap->cmdidx == CMD_setglobal)
10875 flags = OPT_GLOBAL;
10876 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10877 if (cmdmod.browse && flags == 0)
10878 ex_options(eap);
10879 else
10880 #endif
10881 (void)do_set(eap->arg, flags);
10882 }
10883
10884 #ifdef FEAT_SEARCH_EXTRA
10885 /*
10886 * ":nohlsearch"
10887 */
10888 /*ARGSUSED*/
10889 static void
10890 ex_nohlsearch(eap)
10891 exarg_T *eap;
10892 {
10893 no_hlsearch = TRUE;
10894 redraw_all_later(SOME_VALID);
10895 }
10896
10897 /*
10898 * ":[N]match {group} {pattern}"
10899 * Sets nextcmd to the start of the next command, if any. Also called when
10900 * skipping commands to find the next command.
10901 */
10902 static void
10903 ex_match(eap)
10904 exarg_T *eap;
10905 {
10906 char_u *p;
10907 char_u *g = NULL;
10908 char_u *end;
10909 int c;
10910 int id;
10911
10912 if (eap->line2 <= 3)
10913 id = eap->line2;
10914 else
10915 {
10916 EMSG(e_invcmd);
10917 return;
10918 }
10919
10920 /* First clear any old pattern. */
10921 if (!eap->skip)
10922 match_delete(curwin, id, FALSE);
10923
10924 if (ends_excmd(*eap->arg))
10925 end = eap->arg;
10926 else if ((STRNICMP(eap->arg, "none", 4) == 0
10927 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10928 end = eap->arg + 4;
10929 else
10930 {
10931 p = skiptowhite(eap->arg);
10932 if (!eap->skip)
10933 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10934 p = skipwhite(p);
10935 if (*p == NUL)
10936 {
10937 /* There must be two arguments. */
10938 EMSG2(_(e_invarg2), eap->arg);
10939 return;
10940 }
10941 end = skip_regexp(p + 1, *p, TRUE, NULL);
10942 if (!eap->skip)
10943 {
10944 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10945 {
10946 eap->errmsg = e_trailing;
10947 return;
10948 }
10949 if (*end != *p)
10950 {
10951 EMSG2(_(e_invarg2), p);
10952 return;
10953 }
10954
10955 c = *end;
10956 *end = NUL;
10957 match_add(curwin, g, p + 1, 10, id);
10958 vim_free(g);
10959 *end = c;
10960 }
10961 }
10962 eap->nextcmd = find_nextcmd(end);
10963 }
10964 #endif
10965
10966 #ifdef FEAT_CRYPT
10967 /*
10968 * ":X": Get crypt key
10969 */
10970 /*ARGSUSED*/
10971 static void
10972 ex_X(eap)
10973 exarg_T *eap;
10974 {
10975 (void)get_crypt_key(TRUE, TRUE);
10976 }
10977 #endif
10978
10979 #ifdef FEAT_FOLDING
10980 static void
10981 ex_fold(eap)
10982 exarg_T *eap;
10983 {
10984 if (foldManualAllowed(TRUE))
10985 foldCreate(eap->line1, eap->line2);
10986 }
10987
10988 static void
10989 ex_foldopen(eap)
10990 exarg_T *eap;
10991 {
10992 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10993 eap->forceit, FALSE);
10994 }
10995
10996 static void
10997 ex_folddo(eap)
10998 exarg_T *eap;
10999 {
11000 linenr_T lnum;
11001
11002 /* First set the marks for all lines closed/open. */
11003 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11004 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11005 ml_setmarked(lnum);
11006
11007 /* Execute the command on the marked lines. */
11008 global_exe(eap->arg);
11009 ml_clearmarked(); /* clear rest of the marks */
11010 }
11011 #endif
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