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Cmd-click to only maximize vertically when MMZoomBoth is set
[MacVim.git] / src / ex_docmd.c
blobd4a1a16555ededc29191c4e4606a202bb6c4120f
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_macmenukey 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 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
2152 {
2153 ++p;
2154 ea.forceit = TRUE;
2155 }
2156 else
2157 ea.forceit = FALSE;
2158
2159 /*
2160 * 5. parse arguments
2161 */
2162 #ifdef FEAT_USR_CMDS
2163 if (!USER_CMDIDX(ea.cmdidx))
2164 #endif
2165 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2166
2167 if (!ea.skip)
2168 {
2169 #ifdef HAVE_SANDBOX
2170 if (sandbox != 0 && !(ea.argt & SBOXOK))
2171 {
2172 /* Command not allowed in sandbox. */
2173 errormsg = (char_u *)_(e_sandbox);
2174 goto doend;
2175 }
2176 #endif
2177 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2178 {
2179 /* Command not allowed in non-'modifiable' buffer */
2180 errormsg = (char_u *)_(e_modifiable);
2181 goto doend;
2182 }
2183
2184 if (text_locked() && !(ea.argt & CMDWIN)
2185 # ifdef FEAT_USR_CMDS
2186 && !USER_CMDIDX(ea.cmdidx)
2187 # endif
2188 )
2189 {
2190 /* Command not allowed when editing the command line. */
2191 #ifdef FEAT_CMDWIN
2192 if (cmdwin_type != 0)
2193 errormsg = (char_u *)_(e_cmdwin);
2194 else
2195 #endif
2196 errormsg = (char_u *)_(e_secure);
2197 goto doend;
2198 }
2199 #ifdef FEAT_AUTOCMD
2200 /* Disallow editing another buffer when "curbuf_lock" is set.
2201 * Do allow ":edit" (check for argument later).
2202 * Do allow ":checktime" (it's postponed). */
2203 if (!(ea.argt & CMDWIN)
2204 && ea.cmdidx != CMD_edit
2205 && ea.cmdidx != CMD_checktime
2206 # ifdef FEAT_USR_CMDS
2207 && !USER_CMDIDX(ea.cmdidx)
2208 # endif
2209 && curbuf_locked())
2210 goto doend;
2211 #endif
2212
2213 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2214 {
2215 /* no range allowed */
2216 errormsg = (char_u *)_(e_norange);
2217 goto doend;
2218 }
2219 }
2220
2221 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2222 {
2223 errormsg = (char_u *)_(e_nobang);
2224 goto doend;
2225 }
2226
2227 /*
2228 * Don't complain about the range if it is not used
2229 * (could happen if line_count is accidentally set to 0).
2230 */
2231 if (!ea.skip && !ni)
2232 {
2233 /*
2234 * If the range is backwards, ask for confirmation and, if given, swap
2235 * ea.line1 & ea.line2 so it's forwards again.
2236 * When global command is busy, don't ask, will fail below.
2237 */
2238 if (!global_busy && ea.line1 > ea.line2)
2239 {
2240 if (msg_silent == 0)
2241 {
2242 if (sourcing || exmode_active)
2243 {
2244 errormsg = (char_u *)_("E493: Backwards range given");
2245 goto doend;
2246 }
2247 if (ask_yesno((char_u *)
2248 _("Backwards range given, OK to swap"), FALSE) != 'y')
2249 goto doend;
2250 }
2251 lnum = ea.line1;
2252 ea.line1 = ea.line2;
2253 ea.line2 = lnum;
2254 }
2255 if ((errormsg = invalid_range(&ea)) != NULL)
2256 goto doend;
2257 }
2258
2259 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2260 ea.line2 = 1;
2261
2262 correct_range(&ea);
2263
2264 #ifdef FEAT_FOLDING
2265 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2266 {
2267 /* Put the first line at the start of a closed fold, put the last line
2268 * at the end of a closed fold. */
2269 (void)hasFolding(ea.line1, &ea.line1, NULL);
2270 (void)hasFolding(ea.line2, NULL, &ea.line2);
2271 }
2272 #endif
2273
2274 #ifdef FEAT_QUICKFIX
2275 /*
2276 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2277 * option here, so things like % get expanded.
2278 */
2279 p = replace_makeprg(&ea, p, cmdlinep);
2280 if (p == NULL)
2281 goto doend;
2282 #endif
2283
2284 /*
2285 * Skip to start of argument.
2286 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2287 */
2288 if (ea.cmdidx == CMD_bang)
2289 ea.arg = p;
2290 else
2291 ea.arg = skipwhite(p);
2292
2293 /*
2294 * Check for "++opt=val" argument.
2295 * Must be first, allow ":w ++enc=utf8 !cmd"
2296 */
2297 if (ea.argt & ARGOPT)
2298 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2299 if (getargopt(&ea) == FAIL && !ni)
2300 {
2301 errormsg = (char_u *)_(e_invarg);
2302 goto doend;
2303 }
2304
2305 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2306 {
2307 if (*ea.arg == '>') /* append */
2308 {
2309 if (*++ea.arg != '>') /* typed wrong */
2310 {
2311 errormsg = (char_u *)_("E494: Use w or w>>");
2312 goto doend;
2313 }
2314 ea.arg = skipwhite(ea.arg + 1);
2315 ea.append = TRUE;
2316 }
2317 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2318 {
2319 ++ea.arg;
2320 ea.usefilter = TRUE;
2321 }
2322 }
2323
2324 if (ea.cmdidx == CMD_read)
2325 {
2326 if (ea.forceit)
2327 {
2328 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2329 ea.forceit = FALSE;
2330 }
2331 else if (*ea.arg == '!') /* :r !filter */
2332 {
2333 ++ea.arg;
2334 ea.usefilter = TRUE;
2335 }
2336 }
2337
2338 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2339 {
2340 ea.amount = 1;
2341 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2342 {
2343 ++ea.arg;
2344 ++ea.amount;
2345 }
2346 ea.arg = skipwhite(ea.arg);
2347 }
2348
2349 /*
2350 * Check for "+command" argument, before checking for next command.
2351 * Don't do this for ":read !cmd" and ":write !cmd".
2352 */
2353 if ((ea.argt & EDITCMD) && !ea.usefilter)
2354 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2355
2356 /*
2357 * Check for '|' to separate commands and '"' to start comments.
2358 * Don't do this for ":read !cmd" and ":write !cmd".
2359 */
2360 if ((ea.argt & TRLBAR) && !ea.usefilter)
2361 separate_nextcmd(&ea);
2362
2363 /*
2364 * Check for <newline> to end a shell command.
2365 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2366 * Any others?
2367 */
2368 else if (ea.cmdidx == CMD_bang
2369 || ea.cmdidx == CMD_global
2370 || ea.cmdidx == CMD_vglobal
2371 || ea.usefilter)
2372 {
2373 for (p = ea.arg; *p; ++p)
2374 {
2375 /* Remove one backslash before a newline, so that it's possible to
2376 * pass a newline to the shell and also a newline that is preceded
2377 * with a backslash. This makes it impossible to end a shell
2378 * command in a backslash, but that doesn't appear useful.
2379 * Halving the number of backslashes is incompatible with previous
2380 * versions. */
2381 if (*p == '\\' && p[1] == '\n')
2382 mch_memmove(p, p + 1, STRLEN(p));
2383 else if (*p == '\n')
2384 {
2385 ea.nextcmd = p + 1;
2386 *p = NUL;
2387 break;
2388 }
2389 }
2390 }
2391
2392 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2393 {
2394 ea.line1 = 1;
2395 ea.line2 = curbuf->b_ml.ml_line_count;
2396 }
2397
2398 /* accept numbered register only when no count allowed (:put) */
2399 if ( (ea.argt & REGSTR)
2400 && *ea.arg != NUL
2401 #ifdef FEAT_USR_CMDS
2402 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2403 && USER_CMDIDX(ea.cmdidx)))
2404 /* Do not allow register = for user commands */
2405 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2406 #else
2407 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2408 #endif
2409 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2410 {
2411 ea.regname = *ea.arg++;
2412 #ifdef FEAT_EVAL
2413 /* for '=' register: accept the rest of the line as an expression */
2414 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2415 {
2416 set_expr_line(vim_strsave(ea.arg));
2417 ea.arg += STRLEN(ea.arg);
2418 }
2419 #endif
2420 ea.arg = skipwhite(ea.arg);
2421 }
2422
2423 /*
2424 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2425 * count, it's a buffer name.
2426 */
2427 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2428 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2429 || vim_iswhite(*p)))
2430 {
2431 n = getdigits(&ea.arg);
2432 ea.arg = skipwhite(ea.arg);
2433 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2434 {
2435 errormsg = (char_u *)_(e_zerocount);
2436 goto doend;
2437 }
2438 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2439 {
2440 ea.line2 = n;
2441 if (ea.addr_count == 0)
2442 ea.addr_count = 1;
2443 }
2444 else
2445 {
2446 ea.line1 = ea.line2;
2447 ea.line2 += n - 1;
2448 ++ea.addr_count;
2449 /*
2450 * Be vi compatible: no error message for out of range.
2451 */
2452 if (ea.line2 > curbuf->b_ml.ml_line_count)
2453 ea.line2 = curbuf->b_ml.ml_line_count;
2454 }
2455 }
2456
2457 /*
2458 * Check for flags: 'l', 'p' and '#'.
2459 */
2460 if (ea.argt & EXFLAGS)
2461 get_flags(&ea);
2462 /* no arguments allowed */
2463 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2464 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2465 {
2466 errormsg = (char_u *)_(e_trailing);
2467 goto doend;
2468 }
2469
2470 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2471 {
2472 errormsg = (char_u *)_(e_argreq);
2473 goto doend;
2474 }
2475
2476 #ifdef FEAT_EVAL
2477 /*
2478 * Skip the command when it's not going to be executed.
2479 * The commands like :if, :endif, etc. always need to be executed.
2480 * Also make an exception for commands that handle a trailing command
2481 * themselves.
2482 */
2483 if (ea.skip)
2484 {
2485 switch (ea.cmdidx)
2486 {
2487 /* commands that need evaluation */
2488 case CMD_while:
2489 case CMD_endwhile:
2490 case CMD_for:
2491 case CMD_endfor:
2492 case CMD_if:
2493 case CMD_elseif:
2494 case CMD_else:
2495 case CMD_endif:
2496 case CMD_try:
2497 case CMD_catch:
2498 case CMD_finally:
2499 case CMD_endtry:
2500 case CMD_function:
2501 break;
2502
2503 /* Commands that handle '|' themselves. Check: A command should
2504 * either have the TRLBAR flag, appear in this list or appear in
2505 * the list at ":help :bar". */
2506 case CMD_aboveleft:
2507 case CMD_and:
2508 case CMD_belowright:
2509 case CMD_botright:
2510 case CMD_browse:
2511 case CMD_call:
2512 case CMD_confirm:
2513 case CMD_delfunction:
2514 case CMD_djump:
2515 case CMD_dlist:
2516 case CMD_dsearch:
2517 case CMD_dsplit:
2518 case CMD_echo:
2519 case CMD_echoerr:
2520 case CMD_echomsg:
2521 case CMD_echon:
2522 case CMD_execute:
2523 case CMD_help:
2524 case CMD_hide:
2525 case CMD_ijump:
2526 case CMD_ilist:
2527 case CMD_isearch:
2528 case CMD_isplit:
2529 case CMD_keepalt:
2530 case CMD_keepjumps:
2531 case CMD_keepmarks:
2532 case CMD_leftabove:
2533 case CMD_let:
2534 case CMD_lockmarks:
2535 case CMD_match:
2536 case CMD_mzscheme:
2537 case CMD_perl:
2538 case CMD_psearch:
2539 case CMD_python:
2540 case CMD_return:
2541 case CMD_rightbelow:
2542 case CMD_ruby:
2543 case CMD_silent:
2544 case CMD_smagic:
2545 case CMD_snomagic:
2546 case CMD_substitute:
2547 case CMD_syntax:
2548 case CMD_tab:
2549 case CMD_tcl:
2550 case CMD_throw:
2551 case CMD_tilde:
2552 case CMD_topleft:
2553 case CMD_unlet:
2554 case CMD_verbose:
2555 case CMD_vertical:
2556 break;
2557
2558 default: goto doend;
2559 }
2560 }
2561 #endif
2562
2563 if (ea.argt & XFILE)
2564 {
2565 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2566 goto doend;
2567 }
2568
2569 #ifdef FEAT_LISTCMDS
2570 /*
2571 * Accept buffer name. Cannot be used at the same time with a buffer
2572 * number. Don't do this for a user command.
2573 */
2574 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2575 # ifdef FEAT_USR_CMDS
2576 && !USER_CMDIDX(ea.cmdidx)
2577 # endif
2578 )
2579 {
2580 /*
2581 * :bdelete, :bwipeout and :bunload take several arguments, separated
2582 * by spaces: find next space (skipping over escaped characters).
2583 * The others take one argument: ignore trailing spaces.
2584 */
2585 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2586 || ea.cmdidx == CMD_bunload)
2587 p = skiptowhite_esc(ea.arg);
2588 else
2589 {
2590 p = ea.arg + STRLEN(ea.arg);
2591 while (p > ea.arg && vim_iswhite(p[-1]))
2592 --p;
2593 }
2594 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2595 if (ea.line2 < 0) /* failed */
2596 goto doend;
2597 ea.addr_count = 1;
2598 ea.arg = skipwhite(p);
2599 }
2600 #endif
2601
2602 /*
2603 * 6. switch on command name
2604 *
2605 * The "ea" structure holds the arguments that can be used.
2606 */
2607 ea.cmdlinep = cmdlinep;
2608 ea.getline = fgetline;
2609 ea.cookie = cookie;
2610 #ifdef FEAT_EVAL
2611 ea.cstack = cstack;
2612 #endif
2613
2614 #ifdef FEAT_USR_CMDS
2615 if (USER_CMDIDX(ea.cmdidx))
2616 {
2617 /*
2618 * Execute a user-defined command.
2619 */
2620 do_ucmd(&ea);
2621 }
2622 else
2623 #endif
2624 {
2625 /*
2626 * Call the function to execute the command.
2627 */
2628 ea.errmsg = NULL;
2629 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2630 if (ea.errmsg != NULL)
2631 errormsg = (char_u *)_(ea.errmsg);
2632 }
2633
2634 #ifdef FEAT_EVAL
2635 /*
2636 * If the command just executed called do_cmdline(), any throw or ":return"
2637 * or ":finish" encountered there must also check the cstack of the still
2638 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2639 * exception, or reanimate a returned function or finished script file and
2640 * return or finish it again.
2641 */
2642 if (need_rethrow)
2643 do_throw(cstack);
2644 else if (check_cstack)
2645 {
2646 if (source_finished(fgetline, cookie))
2647 do_finish(&ea, TRUE);
2648 else if (getline_equal(fgetline, cookie, get_func_line)
2649 && current_func_returned())
2650 do_return(&ea, TRUE, FALSE, NULL);
2651 }
2652 need_rethrow = check_cstack = FALSE;
2653 #endif
2654
2655 doend:
2656 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2657 curwin->w_cursor.lnum = 1;
2658
2659 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2660 {
2661 if (sourcing)
2662 {
2663 if (errormsg != IObuff)
2664 {
2665 STRCPY(IObuff, errormsg);
2666 errormsg = IObuff;
2667 }
2668 STRCAT(errormsg, ": ");
2669 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2670 }
2671 emsg(errormsg);
2672 }
2673 #ifdef FEAT_EVAL
2674 do_errthrow(cstack,
2675 (ea.cmdidx != CMD_SIZE
2676 # ifdef FEAT_USR_CMDS
2677 && !USER_CMDIDX(ea.cmdidx)
2678 # endif
2679 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2680 #endif
2681
2682 if (verbose_save >= 0)
2683 p_verbose = verbose_save;
2684 #ifdef FEAT_AUTOCMD
2685 if (cmdmod.save_ei != NULL)
2686 {
2687 /* Restore 'eventignore' to the value before ":noautocmd". */
2688 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2689 OPT_FREE, SID_NONE);
2690 free_string_option(cmdmod.save_ei);
2691 }
2692 #endif
2693
2694 cmdmod = save_cmdmod;
2695
2696 if (did_silent > 0)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 msg_silent -= did_silent;
2701 if (msg_silent < 0)
2702 msg_silent = 0;
2703 emsg_silent -= did_esilent;
2704 if (emsg_silent < 0)
2705 emsg_silent = 0;
2706 /* Restore msg_scroll, it's set by file I/O commands, even when no
2707 * message is actually displayed. */
2708 msg_scroll = save_msg_scroll;
2709 }
2710
2711 #ifdef HAVE_SANDBOX
2712 if (did_sandbox)
2713 --sandbox;
2714 #endif
2715
2716 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2717 ea.nextcmd = NULL;
2718
2719 #ifdef FEAT_EVAL
2720 --ex_nesting_level;
2721 #endif
2722
2723 return ea.nextcmd;
2724 }
2725 #if (_MSC_VER == 1200)
2726 #pragma optimize( "", on )
2727 #endif
2728
2729 /*
2730 * Check for an Ex command with optional tail.
2731 * If there is a match advance "pp" to the argument and return TRUE.
2732 */
2733 int
2734 checkforcmd(pp, cmd, len)
2735 char_u **pp; /* start of command */
2736 char *cmd; /* name of command */
2737 int len; /* required length */
2738 {
2739 int i;
2740
2741 for (i = 0; cmd[i] != NUL; ++i)
2742 if (cmd[i] != (*pp)[i])
2743 break;
2744 if (i >= len && !isalpha((*pp)[i]))
2745 {
2746 *pp = skipwhite(*pp + i);
2747 return TRUE;
2748 }
2749 return FALSE;
2750 }
2751
2752 /*
2753 * Find an Ex command by its name, either built-in or user.
2754 * Start of the name can be found at eap->cmd.
2755 * Returns pointer to char after the command name.
2756 * "full" is set to TRUE if the whole command name matched.
2757 * Returns NULL for an ambiguous user command.
2758 */
2759 /*ARGSUSED*/
2760 static char_u *
2761 find_command(eap, full)
2762 exarg_T *eap;
2763 int *full;
2764 {
2765 int len;
2766 char_u *p;
2767 int i;
2768
2769 /*
2770 * Isolate the command and search for it in the command table.
2771 * Exceptions:
2772 * - the 'k' command can directly be followed by any character.
2773 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2774 * but :sre[wind] is another command, as are :scrip[tnames],
2775 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2776 * - the "d" command can directly be followed by 'l' or 'p' flag.
2777 */
2778 p = eap->cmd;
2779 if (*p == 'k')
2780 {
2781 eap->cmdidx = CMD_k;
2782 ++p;
2783 }
2784 else if (p[0] == 's'
2785 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2786 && p[3] != 'i' && p[4] != 'p')
2787 || p[1] == 'g'
2788 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2789 || p[1] == 'I'
2790 || (p[1] == 'r' && p[2] != 'e')))
2791 {
2792 eap->cmdidx = CMD_substitute;
2793 ++p;
2794 }
2795 else
2796 {
2797 while (ASCII_ISALPHA(*p))
2798 ++p;
2799 /* check for non-alpha command */
2800 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2801 ++p;
2802 len = (int)(p - eap->cmd);
2803 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2804 {
2805 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2806 * :delete with the 'l' flag. Same for 'p'. */
2807 for (i = 0; i < len; ++i)
2808 if (eap->cmd[i] != "delete"[i])
2809 break;
2810 if (i == len - 1)
2811 {
2812 --len;
2813 if (p[-1] == 'l')
2814 eap->flags |= EXFLAG_LIST;
2815 else
2816 eap->flags |= EXFLAG_PRINT;
2817 }
2818 }
2819
2820 if (ASCII_ISLOWER(*eap->cmd))
2821 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2822 else
2823 eap->cmdidx = cmdidxs[26];
2824
2825 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2826 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2827 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2828 (size_t)len) == 0)
2829 {
2830 #ifdef FEAT_EVAL
2831 if (full != NULL
2832 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2833 *full = TRUE;
2834 #endif
2835 break;
2836 }
2837
2838 #ifdef FEAT_USR_CMDS
2839 /* Look for a user defined command as a last resort */
2840 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2841 {
2842 /* User defined commands may contain digits. */
2843 while (ASCII_ISALNUM(*p))
2844 ++p;
2845 p = find_ucmd(eap, p, full, NULL, NULL);
2846 }
2847 #endif
2848 if (p == eap->cmd)
2849 eap->cmdidx = CMD_SIZE;
2850 }
2851
2852 return p;
2853 }
2854
2855 #ifdef FEAT_USR_CMDS
2856 /*
2857 * Search for a user command that matches "eap->cmd".
2858 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2859 * Return a pointer to just after the command.
2860 * Return NULL if there is no matching command.
2861 */
2862 static char_u *
2863 find_ucmd(eap, p, full, xp, compl)
2864 exarg_T *eap;
2865 char_u *p; /* end of the command (possibly including count) */
2866 int *full; /* set to TRUE for a full match */
2867 expand_T *xp; /* used for completion, NULL otherwise */
2868 int *compl; /* completion flags or NULL */
2869 {
2870 int len = (int)(p - eap->cmd);
2871 int j, k, matchlen = 0;
2872 ucmd_T *uc;
2873 int found = FALSE;
2874 int possible = FALSE;
2875 char_u *cp, *np; /* Point into typed cmd and test name */
2876 garray_T *gap;
2877 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2878 only full match global is accepted. */
2879
2880 /*
2881 * Look for buffer-local user commands first, then global ones.
2882 */
2883 gap = &curbuf->b_ucmds;
2884 for (;;)
2885 {
2886 for (j = 0; j < gap->ga_len; ++j)
2887 {
2888 uc = USER_CMD_GA(gap, j);
2889 cp = eap->cmd;
2890 np = uc->uc_name;
2891 k = 0;
2892 while (k < len && *np != NUL && *cp++ == *np++)
2893 k++;
2894 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2895 {
2896 /* If finding a second match, the command is ambiguous. But
2897 * not if a buffer-local command wasn't a full match and a
2898 * global command is a full match. */
2899 if (k == len && found && *np != NUL)
2900 {
2901 if (gap == &ucmds)
2902 return NULL;
2903 amb_local = TRUE;
2904 }
2905
2906 if (!found || (k == len && *np == NUL))
2907 {
2908 /* If we matched up to a digit, then there could
2909 * be another command including the digit that we
2910 * should use instead.
2911 */
2912 if (k == len)
2913 found = TRUE;
2914 else
2915 possible = TRUE;
2916
2917 if (gap == &ucmds)
2918 eap->cmdidx = CMD_USER;
2919 else
2920 eap->cmdidx = CMD_USER_BUF;
2921 eap->argt = (long)uc->uc_argt;
2922 eap->useridx = j;
2923
2924 # ifdef FEAT_CMDL_COMPL
2925 if (compl != NULL)
2926 *compl = uc->uc_compl;
2927 # ifdef FEAT_EVAL
2928 if (xp != NULL)
2929 {
2930 xp->xp_arg = uc->uc_compl_arg;
2931 xp->xp_scriptID = uc->uc_scriptID;
2932 }
2933 # endif
2934 # endif
2935 /* Do not search for further abbreviations
2936 * if this is an exact match. */
2937 matchlen = k;
2938 if (k == len && *np == NUL)
2939 {
2940 if (full != NULL)
2941 *full = TRUE;
2942 amb_local = FALSE;
2943 break;
2944 }
2945 }
2946 }
2947 }
2948
2949 /* Stop if we found a full match or searched all. */
2950 if (j < gap->ga_len || gap == &ucmds)
2951 break;
2952 gap = &ucmds;
2953 }
2954
2955 /* Only found ambiguous matches. */
2956 if (amb_local)
2957 {
2958 if (xp != NULL)
2959 xp->xp_context = EXPAND_UNSUCCESSFUL;
2960 return NULL;
2961 }
2962
2963 /* The match we found may be followed immediately by a number. Move "p"
2964 * back to point to it. */
2965 if (found || possible)
2966 return p + (matchlen - len);
2967 return p;
2968 }
2969 #endif
2970
2971 #if defined(FEAT_EVAL) || defined(PROTO)
2972 static struct cmdmod
2973 {
2974 char *name;
2975 int minlen;
2976 int has_count; /* :123verbose :3tab */
2977 } cmdmods[] = {
2978 {"aboveleft", 3, FALSE},
2979 {"belowright", 3, FALSE},
2980 {"botright", 2, FALSE},
2981 {"browse", 3, FALSE},
2982 {"confirm", 4, FALSE},
2983 {"hide", 3, FALSE},
2984 {"keepalt", 5, FALSE},
2985 {"keepjumps", 5, FALSE},
2986 {"keepmarks", 3, FALSE},
2987 {"leftabove", 5, FALSE},
2988 {"lockmarks", 3, FALSE},
2989 {"rightbelow", 6, FALSE},
2990 {"sandbox", 3, FALSE},
2991 {"silent", 3, FALSE},
2992 {"tab", 3, TRUE},
2993 {"topleft", 2, FALSE},
2994 {"verbose", 4, TRUE},
2995 {"vertical", 4, FALSE},
2996 };
2997
2998 /*
2999 * Return length of a command modifier (including optional count).
3000 * Return zero when it's not a modifier.
3001 */
3002 int
3003 modifier_len(cmd)
3004 char_u *cmd;
3005 {
3006 int i, j;
3007 char_u *p = cmd;
3008
3009 if (VIM_ISDIGIT(*cmd))
3010 p = skipwhite(skipdigits(cmd));
3011 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3012 {
3013 for (j = 0; p[j] != NUL; ++j)
3014 if (p[j] != cmdmods[i].name[j])
3015 break;
3016 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3017 && (p == cmd || cmdmods[i].has_count))
3018 return j + (p - cmd);
3019 }
3020 return 0;
3021 }
3022
3023 /*
3024 * Return > 0 if an Ex command "name" exists.
3025 * Return 2 if there is an exact match.
3026 * Return 3 if there is an ambiguous match.
3027 */
3028 int
3029 cmd_exists(name)
3030 char_u *name;
3031 {
3032 exarg_T ea;
3033 int full = FALSE;
3034 int i;
3035 int j;
3036 char_u *p;
3037
3038 /* Check command modifiers. */
3039 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3040 {
3041 for (j = 0; name[j] != NUL; ++j)
3042 if (name[j] != cmdmods[i].name[j])
3043 break;
3044 if (name[j] == NUL && j >= cmdmods[i].minlen)
3045 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3046 }
3047
3048 /* Check built-in commands and user defined commands.
3049 * For ":2match" and ":3match" we need to skip the number. */
3050 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3051 ea.cmdidx = (cmdidx_T)0;
3052 p = find_command(&ea, &full);
3053 if (p == NULL)
3054 return 3;
3055 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3056 return 0;
3057 if (*skipwhite(p) != NUL)
3058 return 0; /* trailing garbage */
3059 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3060 }
3061 #endif
3062
3063 /*
3064 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3065 * we don't need/want deleted. Maybe this could be done better if we didn't
3066 * repeat all this stuff. The only problem is that they may not stay
3067 * perfectly compatible with each other, but then the command line syntax
3068 * probably won't change that much -- webb.
3069 */
3070 char_u *
3071 set_one_cmd_context(xp, buff)
3072 expand_T *xp;
3073 char_u *buff; /* buffer for command string */
3074 {
3075 char_u *p;
3076 char_u *cmd, *arg;
3077 int len = 0;
3078 exarg_T ea;
3079 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3080 int compl = EXPAND_NOTHING;
3081 #endif
3082 #ifdef FEAT_CMDL_COMPL
3083 int delim;
3084 #endif
3085 int forceit = FALSE;
3086 int usefilter = FALSE; /* filter instead of file name */
3087
3088 ExpandInit(xp);
3089 xp->xp_pattern = buff;
3090 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3091 ea.argt = 0;
3092
3093 /*
3094 * 2. skip comment lines and leading space, colons or bars
3095 */
3096 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3097 ;
3098 xp->xp_pattern = cmd;
3099
3100 if (*cmd == NUL)
3101 return NULL;
3102 if (*cmd == '"') /* ignore comment lines */
3103 {
3104 xp->xp_context = EXPAND_NOTHING;
3105 return NULL;
3106 }
3107
3108 /*
3109 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3110 */
3111 cmd = skip_range(cmd, &xp->xp_context);
3112
3113 /*
3114 * 4. parse command
3115 */
3116 xp->xp_pattern = cmd;
3117 if (*cmd == NUL)
3118 return NULL;
3119 if (*cmd == '"')
3120 {
3121 xp->xp_context = EXPAND_NOTHING;
3122 return NULL;
3123 }
3124
3125 if (*cmd == '|' || *cmd == '\n')
3126 return cmd + 1; /* There's another command */
3127
3128 /*
3129 * Isolate the command and search for it in the command table.
3130 * Exceptions:
3131 * - the 'k' command can directly be followed by any character, but
3132 * do accept "keepmarks", "keepalt" and "keepjumps".
3133 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3134 */
3135 if (*cmd == 'k' && cmd[1] != 'e')
3136 {
3137 ea.cmdidx = CMD_k;
3138 p = cmd + 1;
3139 }
3140 else
3141 {
3142 p = cmd;
3143 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3144 ++p;
3145 /* check for non-alpha command */
3146 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3147 ++p;
3148 len = (int)(p - cmd);
3149
3150 if (len == 0)
3151 {
3152 xp->xp_context = EXPAND_UNSUCCESSFUL;
3153 return NULL;
3154 }
3155 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3156 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3157 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3158 break;
3159
3160 #ifdef FEAT_USR_CMDS
3161 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3162 {
3163 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3164 ++p;
3165 len = (int)(p - cmd);
3166 }
3167 #endif
3168 }
3169
3170 /*
3171 * If the cursor is touching the command, and it ends in an alpha-numeric
3172 * character, complete the command name.
3173 */
3174 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3175 return NULL;
3176
3177 if (ea.cmdidx == CMD_SIZE)
3178 {
3179 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3180 {
3181 ea.cmdidx = CMD_substitute;
3182 p = cmd + 1;
3183 }
3184 #ifdef FEAT_USR_CMDS
3185 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3186 {
3187 ea.cmd = cmd;
3188 p = find_ucmd(&ea, p, NULL, xp,
3189 # if defined(FEAT_CMDL_COMPL)
3190 &compl
3191 # else
3192 NULL
3193 # endif
3194 );
3195 if (p == NULL)
3196 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3197 }
3198 #endif
3199 }
3200 if (ea.cmdidx == CMD_SIZE)
3201 {
3202 /* Not still touching the command and it was an illegal one */
3203 xp->xp_context = EXPAND_UNSUCCESSFUL;
3204 return NULL;
3205 }
3206
3207 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3208
3209 if (*p == '!') /* forced commands */
3210 {
3211 forceit = TRUE;
3212 ++p;
3213 }
3214
3215 /*
3216 * 5. parse arguments
3217 */
3218 #ifdef FEAT_USR_CMDS
3219 if (!USER_CMDIDX(ea.cmdidx))
3220 #endif
3221 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3222
3223 arg = skipwhite(p);
3224
3225 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3226 {
3227 if (*arg == '>') /* append */
3228 {
3229 if (*++arg == '>')
3230 ++arg;
3231 arg = skipwhite(arg);
3232 }
3233 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3234 {
3235 ++arg;
3236 usefilter = TRUE;
3237 }
3238 }
3239
3240 if (ea.cmdidx == CMD_read)
3241 {
3242 usefilter = forceit; /* :r! filter if forced */
3243 if (*arg == '!') /* :r !filter */
3244 {
3245 ++arg;
3246 usefilter = TRUE;
3247 }
3248 }
3249
3250 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3251 {
3252 while (*arg == *cmd) /* allow any number of '>' or '<' */
3253 ++arg;
3254 arg = skipwhite(arg);
3255 }
3256
3257 /* Does command allow "+command"? */
3258 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3259 {
3260 /* Check if we're in the +command */
3261 p = arg + 1;
3262 arg = skip_cmd_arg(arg, FALSE);
3263
3264 /* Still touching the command after '+'? */
3265 if (*arg == NUL)
3266 return p;
3267
3268 /* Skip space(s) after +command to get to the real argument */
3269 arg = skipwhite(arg);
3270 }
3271
3272 /*
3273 * Check for '|' to separate commands and '"' to start comments.
3274 * Don't do this for ":read !cmd" and ":write !cmd".
3275 */
3276 if ((ea.argt & TRLBAR) && !usefilter)
3277 {
3278 p = arg;
3279 /* ":redir @" is not the start of a comment */
3280 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3281 p += 2;
3282 while (*p)
3283 {
3284 if (*p == Ctrl_V)
3285 {
3286 if (p[1] != NUL)
3287 ++p;
3288 }
3289 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3290 || *p == '|' || *p == '\n')
3291 {
3292 if (*(p - 1) != '\\')
3293 {
3294 if (*p == '|' || *p == '\n')
3295 return p + 1;
3296 return NULL; /* It's a comment */
3297 }
3298 }
3299 mb_ptr_adv(p);
3300 }
3301 }
3302
3303 /* no arguments allowed */
3304 if (!(ea.argt & EXTRA) && *arg != NUL &&
3305 vim_strchr((char_u *)"|\"", *arg) == NULL)
3306 return NULL;
3307
3308 /* Find start of last argument (argument just before cursor): */
3309 p = buff + STRLEN(buff);
3310 while (p != arg && *p != ' ' && *p != TAB)
3311 p--;
3312 if (*p == ' ' || *p == TAB)
3313 p++;
3314 xp->xp_pattern = p;
3315
3316 if (ea.argt & XFILE)
3317 {
3318 int c;
3319 int in_quote = FALSE;
3320 char_u *bow = NULL; /* Beginning of word */
3321
3322 /*
3323 * Allow spaces within back-quotes to count as part of the argument
3324 * being expanded.
3325 */
3326 xp->xp_pattern = skipwhite(arg);
3327 p = xp->xp_pattern;
3328 while (*p != NUL)
3329 {
3330 #ifdef FEAT_MBYTE
3331 if (has_mbyte)
3332 c = mb_ptr2char(p);
3333 else
3334 #endif
3335 c = *p;
3336 if (c == '\\' && p[1] != NUL)
3337 ++p;
3338 else if (c == '`')
3339 {
3340 if (!in_quote)
3341 {
3342 xp->xp_pattern = p;
3343 bow = p + 1;
3344 }
3345 in_quote = !in_quote;
3346 }
3347 /* An argument can contain just about everything, except
3348 * characters that end the command and white space. */
3349 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3350 #ifdef SPACE_IN_FILENAME
3351 && (!(ea.argt & NOSPC) || usefilter)
3352 #endif
3353 ))
3354 {
3355 while (*p != NUL)
3356 {
3357 #ifdef FEAT_MBYTE
3358 if (has_mbyte)
3359 c = mb_ptr2char(p);
3360 else
3361 #endif
3362 c = *p;
3363 if (c == '`' || vim_isfilec_or_wc(c))
3364 break;
3365 #ifdef FEAT_MBYTE
3366 if (has_mbyte)
3367 len = (*mb_ptr2len)(p);
3368 else
3369 #endif
3370 len = 1;
3371 mb_ptr_adv(p);
3372 }
3373 if (in_quote)
3374 bow = p;
3375 else
3376 xp->xp_pattern = p;
3377 p -= len;
3378 }
3379 mb_ptr_adv(p);
3380 }
3381
3382 /*
3383 * If we are still inside the quotes, and we passed a space, just
3384 * expand from there.
3385 */
3386 if (bow != NULL && in_quote)
3387 xp->xp_pattern = bow;
3388 xp->xp_context = EXPAND_FILES;
3389
3390 #ifndef BACKSLASH_IN_FILENAME
3391 /* For a shell command more chars need to be escaped. */
3392 if (usefilter || ea.cmdidx == CMD_bang)
3393 {
3394 xp->xp_shell = TRUE;
3395
3396 /* When still after the command name expand executables. */
3397 if (xp->xp_pattern == skipwhite(arg))
3398 xp->xp_context = EXPAND_SHELLCMD;
3399 }
3400 #endif
3401
3402 /* Check for environment variable */
3403 if (*xp->xp_pattern == '$'
3404 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3405 || *xp->xp_pattern == '%'
3406 #endif
3407 )
3408 {
3409 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3410 if (!vim_isIDc(*p))
3411 break;
3412 if (*p == NUL)
3413 {
3414 xp->xp_context = EXPAND_ENV_VARS;
3415 ++xp->xp_pattern;
3416 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3417 /* Avoid that the assignment uses EXPAND_FILES again. */
3418 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3419 compl = EXPAND_ENV_VARS;
3420 #endif
3421 }
3422 }
3423 }
3424
3425 /*
3426 * 6. switch on command name
3427 */
3428 switch (ea.cmdidx)
3429 {
3430 case CMD_cd:
3431 case CMD_chdir:
3432 case CMD_lcd:
3433 case CMD_lchdir:
3434 if (xp->xp_context == EXPAND_FILES)
3435 xp->xp_context = EXPAND_DIRECTORIES;
3436 break;
3437 case CMD_help:
3438 xp->xp_context = EXPAND_HELP;
3439 xp->xp_pattern = arg;
3440 break;
3441
3442 /* Command modifiers: return the argument.
3443 * Also for commands with an argument that is a command. */
3444 case CMD_aboveleft:
3445 case CMD_argdo:
3446 case CMD_belowright:
3447 case CMD_botright:
3448 case CMD_browse:
3449 case CMD_bufdo:
3450 case CMD_confirm:
3451 case CMD_debug:
3452 case CMD_folddoclosed:
3453 case CMD_folddoopen:
3454 case CMD_hide:
3455 case CMD_keepalt:
3456 case CMD_keepjumps:
3457 case CMD_keepmarks:
3458 case CMD_leftabove:
3459 case CMD_lockmarks:
3460 case CMD_rightbelow:
3461 case CMD_sandbox:
3462 case CMD_silent:
3463 case CMD_tab:
3464 case CMD_topleft:
3465 case CMD_verbose:
3466 case CMD_vertical:
3467 case CMD_windo:
3468 return arg;
3469
3470 #ifdef FEAT_CMDL_COMPL
3471 # ifdef FEAT_SEARCH_EXTRA
3472 case CMD_match:
3473 if (*arg == NUL || !ends_excmd(*arg))
3474 {
3475 /* also complete "None" */
3476 set_context_in_echohl_cmd(xp, arg);
3477 arg = skipwhite(skiptowhite(arg));
3478 if (*arg != NUL)
3479 {
3480 xp->xp_context = EXPAND_NOTHING;
3481 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3482 }
3483 }
3484 return find_nextcmd(arg);
3485 # endif
3486
3487 /*
3488 * All completion for the +cmdline_compl feature goes here.
3489 */
3490
3491 # ifdef FEAT_USR_CMDS
3492 case CMD_command:
3493 /* Check for attributes */
3494 while (*arg == '-')
3495 {
3496 arg++; /* Skip "-" */
3497 p = skiptowhite(arg);
3498 if (*p == NUL)
3499 {
3500 /* Cursor is still in the attribute */
3501 p = vim_strchr(arg, '=');
3502 if (p == NULL)
3503 {
3504 /* No "=", so complete attribute names */
3505 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3506 xp->xp_pattern = arg;
3507 return NULL;
3508 }
3509
3510 /* For the -complete and -nargs attributes, we complete
3511 * their arguments as well.
3512 */
3513 if (STRNICMP(arg, "complete", p - arg) == 0)
3514 {
3515 xp->xp_context = EXPAND_USER_COMPLETE;
3516 xp->xp_pattern = p + 1;
3517 return NULL;
3518 }
3519 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3520 {
3521 xp->xp_context = EXPAND_USER_NARGS;
3522 xp->xp_pattern = p + 1;
3523 return NULL;
3524 }
3525 return NULL;
3526 }
3527 arg = skipwhite(p);
3528 }
3529
3530 /* After the attributes comes the new command name */
3531 p = skiptowhite(arg);
3532 if (*p == NUL)
3533 {
3534 xp->xp_context = EXPAND_USER_COMMANDS;
3535 xp->xp_pattern = arg;
3536 break;
3537 }
3538
3539 /* And finally comes a normal command */
3540 return skipwhite(p);
3541
3542 case CMD_delcommand:
3543 xp->xp_context = EXPAND_USER_COMMANDS;
3544 xp->xp_pattern = arg;
3545 break;
3546 # endif
3547
3548 case CMD_global:
3549 case CMD_vglobal:
3550 delim = *arg; /* get the delimiter */
3551 if (delim)
3552 ++arg; /* skip delimiter if there is one */
3553
3554 while (arg[0] != NUL && arg[0] != delim)
3555 {
3556 if (arg[0] == '\\' && arg[1] != NUL)
3557 ++arg;
3558 ++arg;
3559 }
3560 if (arg[0] != NUL)
3561 return arg + 1;
3562 break;
3563 case CMD_and:
3564 case CMD_substitute:
3565 delim = *arg;
3566 if (delim)
3567 {
3568 /* skip "from" part */
3569 ++arg;
3570 arg = skip_regexp(arg, delim, p_magic, NULL);
3571 }
3572 /* skip "to" part */
3573 while (arg[0] != NUL && arg[0] != delim)
3574 {
3575 if (arg[0] == '\\' && arg[1] != NUL)
3576 ++arg;
3577 ++arg;
3578 }
3579 if (arg[0] != NUL) /* skip delimiter */
3580 ++arg;
3581 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3582 ++arg;
3583 if (arg[0] != NUL)
3584 return arg;
3585 break;
3586 case CMD_isearch:
3587 case CMD_dsearch:
3588 case CMD_ilist:
3589 case CMD_dlist:
3590 case CMD_ijump:
3591 case CMD_psearch:
3592 case CMD_djump:
3593 case CMD_isplit:
3594 case CMD_dsplit:
3595 arg = skipwhite(skipdigits(arg)); /* skip count */
3596 if (*arg == '/') /* Match regexp, not just whole words */
3597 {
3598 for (++arg; *arg && *arg != '/'; arg++)
3599 if (*arg == '\\' && arg[1] != NUL)
3600 arg++;
3601 if (*arg)
3602 {
3603 arg = skipwhite(arg + 1);
3604
3605 /* Check for trailing illegal characters */
3606 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3607 xp->xp_context = EXPAND_NOTHING;
3608 else
3609 return arg;
3610 }
3611 }
3612 break;
3613 #ifdef FEAT_AUTOCMD
3614 case CMD_autocmd:
3615 return set_context_in_autocmd(xp, arg, FALSE);
3616
3617 case CMD_doautocmd:
3618 return set_context_in_autocmd(xp, arg, TRUE);
3619 #endif
3620 case CMD_set:
3621 set_context_in_set_cmd(xp, arg, 0);
3622 break;
3623 case CMD_setglobal:
3624 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3625 break;
3626 case CMD_setlocal:
3627 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3628 break;
3629 case CMD_tag:
3630 case CMD_stag:
3631 case CMD_ptag:
3632 case CMD_ltag:
3633 case CMD_tselect:
3634 case CMD_stselect:
3635 case CMD_ptselect:
3636 case CMD_tjump:
3637 case CMD_stjump:
3638 case CMD_ptjump:
3639 if (*p_wop != NUL)
3640 xp->xp_context = EXPAND_TAGS_LISTFILES;
3641 else
3642 xp->xp_context = EXPAND_TAGS;
3643 xp->xp_pattern = arg;
3644 break;
3645 case CMD_augroup:
3646 xp->xp_context = EXPAND_AUGROUP;
3647 xp->xp_pattern = arg;
3648 break;
3649 #ifdef FEAT_SYN_HL
3650 case CMD_syntax:
3651 set_context_in_syntax_cmd(xp, arg);
3652 break;
3653 #endif
3654 #ifdef FEAT_EVAL
3655 case CMD_let:
3656 case CMD_if:
3657 case CMD_elseif:
3658 case CMD_while:
3659 case CMD_for:
3660 case CMD_echo:
3661 case CMD_echon:
3662 case CMD_execute:
3663 case CMD_echomsg:
3664 case CMD_echoerr:
3665 case CMD_call:
3666 case CMD_return:
3667 set_context_for_expression(xp, arg, ea.cmdidx);
3668 break;
3669
3670 case CMD_unlet:
3671 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3672 arg = xp->xp_pattern + 1;
3673 xp->xp_context = EXPAND_USER_VARS;
3674 xp->xp_pattern = arg;
3675 break;
3676
3677 case CMD_function:
3678 case CMD_delfunction:
3679 xp->xp_context = EXPAND_USER_FUNC;
3680 xp->xp_pattern = arg;
3681 break;
3682
3683 case CMD_echohl:
3684 set_context_in_echohl_cmd(xp, arg);
3685 break;
3686 #endif
3687 case CMD_highlight:
3688 set_context_in_highlight_cmd(xp, arg);
3689 break;
3690 #ifdef FEAT_LISTCMDS
3691 case CMD_bdelete:
3692 case CMD_bwipeout:
3693 case CMD_bunload:
3694 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3695 arg = xp->xp_pattern + 1;
3696 /*FALLTHROUGH*/
3697 case CMD_buffer:
3698 case CMD_sbuffer:
3699 case CMD_checktime:
3700 xp->xp_context = EXPAND_BUFFERS;
3701 xp->xp_pattern = arg;
3702 break;
3703 #endif
3704 #ifdef FEAT_USR_CMDS
3705 case CMD_USER:
3706 case CMD_USER_BUF:
3707 if (compl != EXPAND_NOTHING)
3708 {
3709 /* XFILE: file names are handled above */
3710 if (!(ea.argt & XFILE))
3711 {
3712 # ifdef FEAT_MENU
3713 if (compl == EXPAND_MENUS)
3714 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3715 # endif
3716 if (compl == EXPAND_COMMANDS)
3717 return arg;
3718 if (compl == EXPAND_MAPPINGS)
3719 return set_context_in_map_cmd(xp, (char_u *)"map",
3720 arg, forceit, FALSE, FALSE, CMD_map);
3721 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3722 arg = xp->xp_pattern + 1;
3723 xp->xp_pattern = arg;
3724 }
3725 xp->xp_context = compl;
3726 }
3727 break;
3728 #endif
3729 case CMD_map: case CMD_noremap:
3730 case CMD_nmap: case CMD_nnoremap:
3731 case CMD_vmap: case CMD_vnoremap:
3732 case CMD_omap: case CMD_onoremap:
3733 case CMD_imap: case CMD_inoremap:
3734 case CMD_cmap: case CMD_cnoremap:
3735 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3736 FALSE, FALSE, ea.cmdidx);
3737 case CMD_unmap:
3738 case CMD_nunmap:
3739 case CMD_vunmap:
3740 case CMD_ounmap:
3741 case CMD_iunmap:
3742 case CMD_cunmap:
3743 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3744 FALSE, TRUE, ea.cmdidx);
3745 case CMD_abbreviate: case CMD_noreabbrev:
3746 case CMD_cabbrev: case CMD_cnoreabbrev:
3747 case CMD_iabbrev: case CMD_inoreabbrev:
3748 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3749 TRUE, FALSE, ea.cmdidx);
3750 case CMD_unabbreviate:
3751 case CMD_cunabbrev:
3752 case CMD_iunabbrev:
3753 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3754 TRUE, TRUE, ea.cmdidx);
3755 #ifdef FEAT_MENU
3756 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3757 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3758 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3759 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3760 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3761 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3762 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3763 case CMD_tmenu: case CMD_tunmenu:
3764 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3765 #ifdef FEAT_GUI_MACVIM
3766 case CMD_macmenukey:
3767 #endif
3768 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3769 #endif
3770
3771 case CMD_colorscheme:
3772 xp->xp_context = EXPAND_COLORS;
3773 xp->xp_pattern = arg;
3774 break;
3775
3776 case CMD_compiler:
3777 xp->xp_context = EXPAND_COMPILER;
3778 xp->xp_pattern = arg;
3779 break;
3780
3781 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3782 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3783 case CMD_language:
3784 if (*skiptowhite(arg) == NUL)
3785 {
3786 xp->xp_context = EXPAND_LANGUAGE;
3787 xp->xp_pattern = arg;
3788 }
3789 else
3790 xp->xp_context = EXPAND_NOTHING;
3791 break;
3792 #endif
3793
3794 #endif /* FEAT_CMDL_COMPL */
3795
3796 default:
3797 break;
3798 }
3799 return NULL;
3800 }
3801
3802 /*
3803 * skip a range specifier of the form: addr [,addr] [;addr] ..
3804 *
3805 * Backslashed delimiters after / or ? will be skipped, and commands will
3806 * not be expanded between /'s and ?'s or after "'".
3807 *
3808 * Also skip white space and ":" characters.
3809 * Returns the "cmd" pointer advanced to beyond the range.
3810 */
3811 char_u *
3812 skip_range(cmd, ctx)
3813 char_u *cmd;
3814 int *ctx; /* pointer to xp_context or NULL */
3815 {
3816 int delim;
3817
3818 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3819 {
3820 if (*cmd == '\'')
3821 {
3822 if (*++cmd == NUL && ctx != NULL)
3823 *ctx = EXPAND_NOTHING;
3824 }
3825 else if (*cmd == '/' || *cmd == '?')
3826 {
3827 delim = *cmd++;
3828 while (*cmd != NUL && *cmd != delim)
3829 if (*cmd++ == '\\' && *cmd != NUL)
3830 ++cmd;
3831 if (*cmd == NUL && ctx != NULL)
3832 *ctx = EXPAND_NOTHING;
3833 }
3834 if (*cmd != NUL)
3835 ++cmd;
3836 }
3837
3838 /* Skip ":" and white space. */
3839 while (*cmd == ':')
3840 cmd = skipwhite(cmd + 1);
3841
3842 return cmd;
3843 }
3844
3845 /*
3846 * get a single EX address
3847 *
3848 * Set ptr to the next character after the part that was interpreted.
3849 * Set ptr to NULL when an error is encountered.
3850 *
3851 * Return MAXLNUM when no Ex address was found.
3852 */
3853 static linenr_T
3854 get_address(ptr, skip, to_other_file)
3855 char_u **ptr;
3856 int skip; /* only skip the address, don't use it */
3857 int to_other_file; /* flag: may jump to other file */
3858 {
3859 int c;
3860 int i;
3861 long n;
3862 char_u *cmd;
3863 pos_T pos;
3864 pos_T *fp;
3865 linenr_T lnum;
3866
3867 cmd = skipwhite(*ptr);
3868 lnum = MAXLNUM;
3869 do
3870 {
3871 switch (*cmd)
3872 {
3873 case '.': /* '.' - Cursor position */
3874 ++cmd;
3875 lnum = curwin->w_cursor.lnum;
3876 break;
3877
3878 case '$': /* '$' - last line */
3879 ++cmd;
3880 lnum = curbuf->b_ml.ml_line_count;
3881 break;
3882
3883 case '\'': /* ''' - mark */
3884 if (*++cmd == NUL)
3885 {
3886 cmd = NULL;
3887 goto error;
3888 }
3889 if (skip)
3890 ++cmd;
3891 else
3892 {
3893 /* Only accept a mark in another file when it is
3894 * used by itself: ":'M". */
3895 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3896 ++cmd;
3897 if (fp == (pos_T *)-1)
3898 /* Jumped to another file. */
3899 lnum = curwin->w_cursor.lnum;
3900 else
3901 {
3902 if (check_mark(fp) == FAIL)
3903 {
3904 cmd = NULL;
3905 goto error;
3906 }
3907 lnum = fp->lnum;
3908 }
3909 }
3910 break;
3911
3912 case '/':
3913 case '?': /* '/' or '?' - search */
3914 c = *cmd++;
3915 if (skip) /* skip "/pat/" */
3916 {
3917 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3918 if (*cmd == c)
3919 ++cmd;
3920 }
3921 else
3922 {
3923 pos = curwin->w_cursor; /* save curwin->w_cursor */
3924 /*
3925 * When '/' or '?' follows another address, start
3926 * from there.
3927 */
3928 if (lnum != MAXLNUM)
3929 curwin->w_cursor.lnum = lnum;
3930 /*
3931 * Start a forward search at the end of the line.
3932 * Start a backward search at the start of the line.
3933 * This makes sure we never match in the current
3934 * line, and can match anywhere in the
3935 * next/previous line.
3936 */
3937 if (c == '/')
3938 curwin->w_cursor.col = MAXCOL;
3939 else
3940 curwin->w_cursor.col = 0;
3941 searchcmdlen = 0;
3942 if (!do_search(NULL, c, cmd, 1L,
3943 SEARCH_HIS + SEARCH_MSG + SEARCH_START,
3944 NULL))
3945 {
3946 curwin->w_cursor = pos;
3947 cmd = NULL;
3948 goto error;
3949 }
3950 lnum = curwin->w_cursor.lnum;
3951 curwin->w_cursor = pos;
3952 /* adjust command string pointer */
3953 cmd += searchcmdlen;
3954 }
3955 break;
3956
3957 case '\\': /* "\?", "\/" or "\&", repeat search */
3958 ++cmd;
3959 if (*cmd == '&')
3960 i = RE_SUBST;
3961 else if (*cmd == '?' || *cmd == '/')
3962 i = RE_SEARCH;
3963 else
3964 {
3965 EMSG(_(e_backslash));
3966 cmd = NULL;
3967 goto error;
3968 }
3969
3970 if (!skip)
3971 {
3972 /*
3973 * When search follows another address, start from
3974 * there.
3975 */
3976 if (lnum != MAXLNUM)
3977 pos.lnum = lnum;
3978 else
3979 pos.lnum = curwin->w_cursor.lnum;
3980
3981 /*
3982 * Start the search just like for the above
3983 * do_search().
3984 */
3985 if (*cmd != '?')
3986 pos.col = MAXCOL;
3987 else
3988 pos.col = 0;
3989 if (searchit(curwin, curbuf, &pos,
3990 *cmd == '?' ? BACKWARD : FORWARD,
3991 (char_u *)"", 1L,
3992 SEARCH_MSG + SEARCH_START,
3993 i, (linenr_T)0, NULL) != FAIL)
3994 lnum = pos.lnum;
3995 else
3996 {
3997 cmd = NULL;
3998 goto error;
3999 }
4000 }
4001 ++cmd;
4002 break;
4003
4004 default:
4005 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4006 lnum = getdigits(&cmd);
4007 }
4008
4009 for (;;)
4010 {
4011 cmd = skipwhite(cmd);
4012 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4013 break;
4014
4015 if (lnum == MAXLNUM)
4016 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4017 if (VIM_ISDIGIT(*cmd))
4018 i = '+'; /* "number" is same as "+number" */
4019 else
4020 i = *cmd++;
4021 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4022 n = 1;
4023 else
4024 n = getdigits(&cmd);
4025 if (i == '-')
4026 lnum -= n;
4027 else
4028 lnum += n;
4029 }
4030 } while (*cmd == '/' || *cmd == '?');
4031
4032 error:
4033 *ptr = cmd;
4034 return lnum;
4035 }
4036
4037 /*
4038 * Get flags from an Ex command argument.
4039 */
4040 static void
4041 get_flags(eap)
4042 exarg_T *eap;
4043 {
4044 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4045 {
4046 if (*eap->arg == 'l')
4047 eap->flags |= EXFLAG_LIST;
4048 else if (*eap->arg == 'p')
4049 eap->flags |= EXFLAG_PRINT;
4050 else
4051 eap->flags |= EXFLAG_NR;
4052 eap->arg = skipwhite(eap->arg + 1);
4053 }
4054 }
4055
4056 /*
4057 * Function called for command which is Not Implemented. NI!
4058 */
4059 void
4060 ex_ni(eap)
4061 exarg_T *eap;
4062 {
4063 if (!eap->skip)
4064 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4065 }
4066
4067 #ifdef HAVE_EX_SCRIPT_NI
4068 /*
4069 * Function called for script command which is Not Implemented. NI!
4070 * Skips over ":perl <<EOF" constructs.
4071 */
4072 static void
4073 ex_script_ni(eap)
4074 exarg_T *eap;
4075 {
4076 if (!eap->skip)
4077 ex_ni(eap);
4078 else
4079 vim_free(script_get(eap, eap->arg));
4080 }
4081 #endif
4082
4083 /*
4084 * Check range in Ex command for validity.
4085 * Return NULL when valid, error message when invalid.
4086 */
4087 static char_u *
4088 invalid_range(eap)
4089 exarg_T *eap;
4090 {
4091 if ( eap->line1 < 0
4092 || eap->line2 < 0
4093 || eap->line1 > eap->line2
4094 || ((eap->argt & RANGE)
4095 && !(eap->argt & NOTADR)
4096 && eap->line2 > curbuf->b_ml.ml_line_count
4097 #ifdef FEAT_DIFF
4098 + (eap->cmdidx == CMD_diffget)
4099 #endif
4100 ))
4101 return (char_u *)_(e_invrange);
4102 return NULL;
4103 }
4104
4105 /*
4106 * Correct the range for zero line number, if required.
4107 */
4108 static void
4109 correct_range(eap)
4110 exarg_T *eap;
4111 {
4112 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4113 {
4114 if (eap->line1 == 0)
4115 eap->line1 = 1;
4116 if (eap->line2 == 0)
4117 eap->line2 = 1;
4118 }
4119 }
4120
4121 #ifdef FEAT_QUICKFIX
4122 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4123
4124 /*
4125 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4126 * pattern. Otherwise return eap->arg.
4127 */
4128 static char_u *
4129 skip_grep_pat(eap)
4130 exarg_T *eap;
4131 {
4132 char_u *p = eap->arg;
4133
4134 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4135 || eap->cmdidx == CMD_vimgrepadd
4136 || eap->cmdidx == CMD_lvimgrepadd
4137 || grep_internal(eap->cmdidx)))
4138 {
4139 p = skip_vimgrep_pat(p, NULL, NULL);
4140 if (p == NULL)
4141 p = eap->arg;
4142 }
4143 return p;
4144 }
4145
4146 /*
4147 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4148 * in the command line, so that things like % get expanded.
4149 */
4150 static char_u *
4151 replace_makeprg(eap, p, cmdlinep)
4152 exarg_T *eap;
4153 char_u *p;
4154 char_u **cmdlinep;
4155 {
4156 char_u *new_cmdline;
4157 char_u *program;
4158 char_u *pos;
4159 char_u *ptr;
4160 int len;
4161 int i;
4162
4163 /*
4164 * Don't do it when ":vimgrep" is used for ":grep".
4165 */
4166 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4167 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4168 || eap->cmdidx == CMD_grepadd
4169 || eap->cmdidx == CMD_lgrepadd)
4170 && !grep_internal(eap->cmdidx))
4171 {
4172 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4173 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4174 {
4175 if (*curbuf->b_p_gp == NUL)
4176 program = p_gp;
4177 else
4178 program = curbuf->b_p_gp;
4179 }
4180 else
4181 {
4182 if (*curbuf->b_p_mp == NUL)
4183 program = p_mp;
4184 else
4185 program = curbuf->b_p_mp;
4186 }
4187
4188 p = skipwhite(p);
4189
4190 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4191 {
4192 /* replace $* by given arguments */
4193 i = 1;
4194 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4195 ++i;
4196 len = (int)STRLEN(p);
4197 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4198 if (new_cmdline == NULL)
4199 return NULL; /* out of memory */
4200 ptr = new_cmdline;
4201 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4202 {
4203 i = (int)(pos - program);
4204 STRNCPY(ptr, program, i);
4205 STRCPY(ptr += i, p);
4206 ptr += len;
4207 program = pos + 2;
4208 }
4209 STRCPY(ptr, program);
4210 }
4211 else
4212 {
4213 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4214 if (new_cmdline == NULL)
4215 return NULL; /* out of memory */
4216 STRCPY(new_cmdline, program);
4217 STRCAT(new_cmdline, " ");
4218 STRCAT(new_cmdline, p);
4219 }
4220 msg_make(p);
4221
4222 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4223 vim_free(*cmdlinep);
4224 *cmdlinep = new_cmdline;
4225 p = new_cmdline;
4226 }
4227 return p;
4228 }
4229 #endif
4230
4231 /*
4232 * Expand file name in Ex command argument.
4233 * Return FAIL for failure, OK otherwise.
4234 */
4235 int
4236 expand_filename(eap, cmdlinep, errormsgp)
4237 exarg_T *eap;
4238 char_u **cmdlinep;
4239 char_u **errormsgp;
4240 {
4241 int has_wildcards; /* need to expand wildcards */
4242 char_u *repl;
4243 int srclen;
4244 char_u *p;
4245 int n;
4246 int escaped;
4247
4248 #ifdef FEAT_QUICKFIX
4249 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4250 p = skip_grep_pat(eap);
4251 #else
4252 p = eap->arg;
4253 #endif
4254
4255 /*
4256 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4257 * the file name contains a wildcard it should not cause expanding.
4258 * (it will be expanded anyway if there is a wildcard before replacing).
4259 */
4260 has_wildcards = mch_has_wildcard(p);
4261 while (*p != NUL)
4262 {
4263 #ifdef FEAT_EVAL
4264 /* Skip over `=expr`, wildcards in it are not expanded. */
4265 if (p[0] == '`' && p[1] == '=')
4266 {
4267 p += 2;
4268 (void)skip_expr(&p);
4269 if (*p == '`')
4270 ++p;
4271 continue;
4272 }
4273 #endif
4274 /*
4275 * Quick check if this cannot be the start of a special string.
4276 * Also removes backslash before '%', '#' and '<'.
4277 */
4278 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4279 {
4280 ++p;
4281 continue;
4282 }
4283
4284 /*
4285 * Try to find a match at this position.
4286 */
4287 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4288 errormsgp, &escaped);
4289 if (*errormsgp != NULL) /* error detected */
4290 return FAIL;
4291 if (repl == NULL) /* no match found */
4292 {
4293 p += srclen;
4294 continue;
4295 }
4296
4297 /* Wildcards won't be expanded below, the replacement is taken
4298 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4299 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4300 {
4301 char_u *l = repl;
4302
4303 repl = expand_env_save(repl);
4304 vim_free(l);
4305 }
4306
4307 /* Need to escape white space et al. with a backslash.
4308 * Don't do this for:
4309 * - replacement that already has been escaped: "##"
4310 * - shell commands (may have to use quotes instead).
4311 * - non-unix systems when there is a single argument (spaces don't
4312 * separate arguments then).
4313 */
4314 if (!eap->usefilter
4315 && !escaped
4316 && eap->cmdidx != CMD_bang
4317 && eap->cmdidx != CMD_make
4318 && eap->cmdidx != CMD_lmake
4319 && eap->cmdidx != CMD_grep
4320 && eap->cmdidx != CMD_lgrep
4321 && eap->cmdidx != CMD_grepadd
4322 && eap->cmdidx != CMD_lgrepadd
4323 #ifndef UNIX
4324 && !(eap->argt & NOSPC)
4325 #endif
4326 )
4327 {
4328 char_u *l;
4329 #ifdef BACKSLASH_IN_FILENAME
4330 /* Don't escape a backslash here, because rem_backslash() doesn't
4331 * remove it later. */
4332 static char_u *nobslash = (char_u *)" \t\"|";
4333 # define ESCAPE_CHARS nobslash
4334 #else
4335 # define ESCAPE_CHARS escape_chars
4336 #endif
4337
4338 for (l = repl; *l; ++l)
4339 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4340 {
4341 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4342 if (l != NULL)
4343 {
4344 vim_free(repl);
4345 repl = l;
4346 }
4347 break;
4348 }
4349 }
4350
4351 /* For a shell command a '!' must be escaped. */
4352 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4353 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4354 {
4355 char_u *l;
4356
4357 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4358 if (l != NULL)
4359 {
4360 vim_free(repl);
4361 repl = l;
4362 /* For a sh-like shell escape "!" another time. */
4363 if (strstr((char *)p_sh, "sh") != NULL)
4364 {
4365 l = vim_strsave_escaped(repl, (char_u *)"!");
4366 if (l != NULL)
4367 {
4368 vim_free(repl);
4369 repl = l;
4370 }
4371 }
4372 }
4373 }
4374
4375 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4376 vim_free(repl);
4377 if (p == NULL)
4378 return FAIL;
4379 }
4380
4381 /*
4382 * One file argument: Expand wildcards.
4383 * Don't do this with ":r !command" or ":w !command".
4384 */
4385 if ((eap->argt & NOSPC) && !eap->usefilter)
4386 {
4387 /*
4388 * May do this twice:
4389 * 1. Replace environment variables.
4390 * 2. Replace any other wildcards, remove backslashes.
4391 */
4392 for (n = 1; n <= 2; ++n)
4393 {
4394 if (n == 2)
4395 {
4396 #ifdef UNIX
4397 /*
4398 * Only for Unix we check for more than one file name.
4399 * For other systems spaces are considered to be part
4400 * of the file name.
4401 * Only check here if there is no wildcard, otherwise
4402 * ExpandOne() will check for errors. This allows
4403 * ":e `ls ve*.c`" on Unix.
4404 */
4405 if (!has_wildcards)
4406 for (p = eap->arg; *p; ++p)
4407 {
4408 /* skip escaped characters */
4409 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4410 ++p;
4411 else if (vim_iswhite(*p))
4412 {
4413 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4414 return FAIL;
4415 }
4416 }
4417 #endif
4418
4419 /*
4420 * Halve the number of backslashes (this is Vi compatible).
4421 * For Unix and OS/2, when wildcards are expanded, this is
4422 * done by ExpandOne() below.
4423 */
4424 #if defined(UNIX) || defined(OS2)
4425 if (!has_wildcards)
4426 #endif
4427 backslash_halve(eap->arg);
4428 }
4429
4430 if (has_wildcards)
4431 {
4432 if (n == 1)
4433 {
4434 /*
4435 * First loop: May expand environment variables. This
4436 * can be done much faster with expand_env() than with
4437 * something else (e.g., calling a shell).
4438 * After expanding environment variables, check again
4439 * if there are still wildcards present.
4440 */
4441 if (vim_strchr(eap->arg, '$') != NULL
4442 || vim_strchr(eap->arg, '~') != NULL)
4443 {
4444 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4445 TRUE, TRUE, NULL);
4446 has_wildcards = mch_has_wildcard(NameBuff);
4447 p = NameBuff;
4448 }
4449 else
4450 p = NULL;
4451 }
4452 else /* n == 2 */
4453 {
4454 expand_T xpc;
4455
4456 ExpandInit(&xpc);
4457 xpc.xp_context = EXPAND_FILES;
4458 p = ExpandOne(&xpc, eap->arg, NULL,
4459 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4460 WILD_EXPAND_FREE);
4461 if (p == NULL)
4462 return FAIL;
4463 }
4464 if (p != NULL)
4465 {
4466 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4467 p, cmdlinep);
4468 if (n == 2) /* p came from ExpandOne() */
4469 vim_free(p);
4470 }
4471 }
4472 }
4473 }
4474 return OK;
4475 }
4476
4477 /*
4478 * Replace part of the command line, keeping eap->cmd, eap->arg and
4479 * eap->nextcmd correct.
4480 * "src" points to the part that is to be replaced, of length "srclen".
4481 * "repl" is the replacement string.
4482 * Returns a pointer to the character after the replaced string.
4483 * Returns NULL for failure.
4484 */
4485 static char_u *
4486 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4487 exarg_T *eap;
4488 char_u *src;
4489 int srclen;
4490 char_u *repl;
4491 char_u **cmdlinep;
4492 {
4493 int len;
4494 int i;
4495 char_u *new_cmdline;
4496
4497 /*
4498 * The new command line is build in new_cmdline[].
4499 * First allocate it.
4500 * Careful: a "+cmd" argument may have been NUL terminated.
4501 */
4502 len = (int)STRLEN(repl);
4503 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4504 if (eap->nextcmd != NULL)
4505 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4506 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4507 return NULL; /* out of memory! */
4508
4509 /*
4510 * Copy the stuff before the expanded part.
4511 * Copy the expanded stuff.
4512 * Copy what came after the expanded part.
4513 * Copy the next commands, if there are any.
4514 */
4515 i = (int)(src - *cmdlinep); /* length of part before match */
4516 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4517
4518 mch_memmove(new_cmdline + i, repl, (size_t)len);
4519 i += len; /* remember the end of the string */
4520 STRCPY(new_cmdline + i, src + srclen);
4521 src = new_cmdline + i; /* remember where to continue */
4522
4523 if (eap->nextcmd != NULL) /* append next command */
4524 {
4525 i = (int)STRLEN(new_cmdline) + 1;
4526 STRCPY(new_cmdline + i, eap->nextcmd);
4527 eap->nextcmd = new_cmdline + i;
4528 }
4529 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4530 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4531 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4532 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4533 vim_free(*cmdlinep);
4534 *cmdlinep = new_cmdline;
4535
4536 return src;
4537 }
4538
4539 /*
4540 * Check for '|' to separate commands and '"' to start comments.
4541 */
4542 void
4543 separate_nextcmd(eap)
4544 exarg_T *eap;
4545 {
4546 char_u *p;
4547
4548 #ifdef FEAT_QUICKFIX
4549 p = skip_grep_pat(eap);
4550 #else
4551 p = eap->arg;
4552 #endif
4553
4554 for ( ; *p; mb_ptr_adv(p))
4555 {
4556 if (*p == Ctrl_V)
4557 {
4558 if (eap->argt & (USECTRLV | XFILE))
4559 ++p; /* skip CTRL-V and next char */
4560 else
4561 /* remove CTRL-V and skip next char */
4562 mch_memmove(p, p + 1, STRLEN(p));
4563 if (*p == NUL) /* stop at NUL after CTRL-V */
4564 break;
4565 }
4566
4567 #ifdef FEAT_EVAL
4568 /* Skip over `=expr` when wildcards are expanded. */
4569 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4570 {
4571 p += 2;
4572 (void)skip_expr(&p);
4573 }
4574 #endif
4575
4576 /* Check for '"': start of comment or '|': next command */
4577 /* :@" and :*" do not start a comment!
4578 * :redir @" doesn't either. */
4579 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4580 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4581 || p != eap->arg)
4582 && (eap->cmdidx != CMD_redir
4583 || p != eap->arg + 1 || p[-1] != '@'))
4584 || *p == '|' || *p == '\n')
4585 {
4586 /*
4587 * We remove the '\' before the '|', unless USECTRLV is used
4588 * AND 'b' is present in 'cpoptions'.
4589 */
4590 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4591 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4592 {
4593 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4594 --p;
4595 }
4596 else
4597 {
4598 eap->nextcmd = check_nextcmd(p);
4599 *p = NUL;
4600 break;
4601 }
4602 }
4603 }
4604
4605 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4606 del_trailing_spaces(eap->arg);
4607 }
4608
4609 /*
4610 * get + command from ex argument
4611 */
4612 static char_u *
4613 getargcmd(argp)
4614 char_u **argp;
4615 {
4616 char_u *arg = *argp;
4617 char_u *command = NULL;
4618
4619 if (*arg == '+') /* +[command] */
4620 {
4621 ++arg;
4622 if (vim_isspace(*arg))
4623 command = dollar_command;
4624 else
4625 {
4626 command = arg;
4627 arg = skip_cmd_arg(command, TRUE);
4628 if (*arg != NUL)
4629 *arg++ = NUL; /* terminate command with NUL */
4630 }
4631
4632 arg = skipwhite(arg); /* skip over spaces */
4633 *argp = arg;
4634 }
4635 return command;
4636 }
4637
4638 /*
4639 * Find end of "+command" argument. Skip over "\ " and "\\".
4640 */
4641 static char_u *
4642 skip_cmd_arg(p, rembs)
4643 char_u *p;
4644 int rembs; /* TRUE to halve the number of backslashes */
4645 {
4646 while (*p && !vim_isspace(*p))
4647 {
4648 if (*p == '\\' && p[1] != NUL)
4649 {
4650 if (rembs)
4651 mch_memmove(p, p + 1, STRLEN(p));
4652 else
4653 ++p;
4654 }
4655 mb_ptr_adv(p);
4656 }
4657 return p;
4658 }
4659
4660 /*
4661 * Get "++opt=arg" argument.
4662 * Return FAIL or OK.
4663 */
4664 static int
4665 getargopt(eap)
4666 exarg_T *eap;
4667 {
4668 char_u *arg = eap->arg + 2;
4669 int *pp = NULL;
4670 #ifdef FEAT_MBYTE
4671 char_u *p;
4672 #endif
4673
4674 /* ":edit ++[no]bin[ary] file" */
4675 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4676 {
4677 if (*arg == 'n')
4678 {
4679 arg += 2;
4680 eap->force_bin = FORCE_NOBIN;
4681 }
4682 else
4683 eap->force_bin = FORCE_BIN;
4684 if (!checkforcmd(&arg, "binary", 3))
4685 return FAIL;
4686 eap->arg = skipwhite(arg);
4687 return OK;
4688 }
4689
4690 /* ":read ++edit file" */
4691 if (STRNCMP(arg, "edit", 4) == 0)
4692 {
4693 eap->read_edit = TRUE;
4694 eap->arg = skipwhite(arg + 4);
4695 return OK;
4696 }
4697
4698 if (STRNCMP(arg, "ff", 2) == 0)
4699 {
4700 arg += 2;
4701 pp = &eap->force_ff;
4702 }
4703 else if (STRNCMP(arg, "fileformat", 10) == 0)
4704 {
4705 arg += 10;
4706 pp = &eap->force_ff;
4707 }
4708 #ifdef FEAT_MBYTE
4709 else if (STRNCMP(arg, "enc", 3) == 0)
4710 {
4711 arg += 3;
4712 pp = &eap->force_enc;
4713 }
4714 else if (STRNCMP(arg, "encoding", 8) == 0)
4715 {
4716 arg += 8;
4717 pp = &eap->force_enc;
4718 }
4719 else if (STRNCMP(arg, "bad", 3) == 0)
4720 {
4721 arg += 3;
4722 pp = &eap->bad_char;
4723 }
4724 #endif
4725
4726 if (pp == NULL || *arg != '=')
4727 return FAIL;
4728
4729 ++arg;
4730 *pp = (int)(arg - eap->cmd);
4731 arg = skip_cmd_arg(arg, FALSE);
4732 eap->arg = skipwhite(arg);
4733 *arg = NUL;
4734
4735 #ifdef FEAT_MBYTE
4736 if (pp == &eap->force_ff)
4737 {
4738 #endif
4739 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4740 return FAIL;
4741 #ifdef FEAT_MBYTE
4742 }
4743 else if (pp == &eap->force_enc)
4744 {
4745 /* Make 'fileencoding' lower case. */
4746 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4747 *p = TOLOWER_ASC(*p);
4748 }
4749 else
4750 {
4751 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4752 * "drop". */
4753 p = eap->cmd + eap->bad_char;
4754 if (STRICMP(p, "keep") == 0)
4755 eap->bad_char = BAD_KEEP;
4756 else if (STRICMP(p, "drop") == 0)
4757 eap->bad_char = BAD_DROP;
4758 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4759 eap->bad_char = *p;
4760 else
4761 return FAIL;
4762 }
4763 #endif
4764
4765 return OK;
4766 }
4767
4768 /*
4769 * ":abbreviate" and friends.
4770 */
4771 static void
4772 ex_abbreviate(eap)
4773 exarg_T *eap;
4774 {
4775 do_exmap(eap, TRUE); /* almost the same as mapping */
4776 }
4777
4778 /*
4779 * ":map" and friends.
4780 */
4781 static void
4782 ex_map(eap)
4783 exarg_T *eap;
4784 {
4785 /*
4786 * If we are sourcing .exrc or .vimrc in current directory we
4787 * print the mappings for security reasons.
4788 */
4789 if (secure)
4790 {
4791 secure = 2;
4792 msg_outtrans(eap->cmd);
4793 msg_putchar('\n');
4794 }
4795 do_exmap(eap, FALSE);
4796 }
4797
4798 /*
4799 * ":unmap" and friends.
4800 */
4801 static void
4802 ex_unmap(eap)
4803 exarg_T *eap;
4804 {
4805 do_exmap(eap, FALSE);
4806 }
4807
4808 /*
4809 * ":mapclear" and friends.
4810 */
4811 static void
4812 ex_mapclear(eap)
4813 exarg_T *eap;
4814 {
4815 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4816 }
4817
4818 /*
4819 * ":abclear" and friends.
4820 */
4821 static void
4822 ex_abclear(eap)
4823 exarg_T *eap;
4824 {
4825 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4826 }
4827
4828 #ifdef FEAT_AUTOCMD
4829 static void
4830 ex_autocmd(eap)
4831 exarg_T *eap;
4832 {
4833 /*
4834 * Disallow auto commands from .exrc and .vimrc in current
4835 * directory for security reasons.
4836 */
4837 if (secure)
4838 {
4839 secure = 2;
4840 eap->errmsg = e_curdir;
4841 }
4842 else if (eap->cmdidx == CMD_autocmd)
4843 do_autocmd(eap->arg, eap->forceit);
4844 else
4845 do_augroup(eap->arg, eap->forceit);
4846 }
4847
4848 /*
4849 * ":doautocmd": Apply the automatic commands to the current buffer.
4850 */
4851 static void
4852 ex_doautocmd(eap)
4853 exarg_T *eap;
4854 {
4855 (void)do_doautocmd(eap->arg, TRUE);
4856 do_modelines(0);
4857 }
4858 #endif
4859
4860 #ifdef FEAT_LISTCMDS
4861 /*
4862 * :[N]bunload[!] [N] [bufname] unload buffer
4863 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4864 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4865 */
4866 static void
4867 ex_bunload(eap)
4868 exarg_T *eap;
4869 {
4870 eap->errmsg = do_bufdel(
4871 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4872 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4873 : DOBUF_UNLOAD, eap->arg,
4874 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4875 }
4876
4877 /*
4878 * :[N]buffer [N] to buffer N
4879 * :[N]sbuffer [N] to buffer N
4880 */
4881 static void
4882 ex_buffer(eap)
4883 exarg_T *eap;
4884 {
4885 if (*eap->arg)
4886 eap->errmsg = e_trailing;
4887 else
4888 {
4889 if (eap->addr_count == 0) /* default is current buffer */
4890 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4891 else
4892 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4893 }
4894 }
4895
4896 /*
4897 * :[N]bmodified [N] to next mod. buffer
4898 * :[N]sbmodified [N] to next mod. buffer
4899 */
4900 static void
4901 ex_bmodified(eap)
4902 exarg_T *eap;
4903 {
4904 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4905 }
4906
4907 /*
4908 * :[N]bnext [N] to next buffer
4909 * :[N]sbnext [N] split and to next buffer
4910 */
4911 static void
4912 ex_bnext(eap)
4913 exarg_T *eap;
4914 {
4915 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4916 }
4917
4918 /*
4919 * :[N]bNext [N] to previous buffer
4920 * :[N]bprevious [N] to previous buffer
4921 * :[N]sbNext [N] split and to previous buffer
4922 * :[N]sbprevious [N] split and to previous buffer
4923 */
4924 static void
4925 ex_bprevious(eap)
4926 exarg_T *eap;
4927 {
4928 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4929 }
4930
4931 /*
4932 * :brewind to first buffer
4933 * :bfirst to first buffer
4934 * :sbrewind split and to first buffer
4935 * :sbfirst split and to first buffer
4936 */
4937 static void
4938 ex_brewind(eap)
4939 exarg_T *eap;
4940 {
4941 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4942 }
4943
4944 /*
4945 * :blast to last buffer
4946 * :sblast split and to last buffer
4947 */
4948 static void
4949 ex_blast(eap)
4950 exarg_T *eap;
4951 {
4952 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4953 }
4954 #endif
4955
4956 int
4957 ends_excmd(c)
4958 int c;
4959 {
4960 return (c == NUL || c == '|' || c == '"' || c == '\n');
4961 }
4962
4963 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4964 || defined(PROTO)
4965 /*
4966 * Return the next command, after the first '|' or '\n'.
4967 * Return NULL if not found.
4968 */
4969 char_u *
4970 find_nextcmd(p)
4971 char_u *p;
4972 {
4973 while (*p != '|' && *p != '\n')
4974 {
4975 if (*p == NUL)
4976 return NULL;
4977 ++p;
4978 }
4979 return (p + 1);
4980 }
4981 #endif
4982
4983 /*
4984 * Check if *p is a separator between Ex commands.
4985 * Return NULL if it isn't, (p + 1) if it is.
4986 */
4987 char_u *
4988 check_nextcmd(p)
4989 char_u *p;
4990 {
4991 p = skipwhite(p);
4992 if (*p == '|' || *p == '\n')
4993 return (p + 1);
4994 else
4995 return NULL;
4996 }
4997
4998 /*
4999 * - if there are more files to edit
5000 * - and this is the last window
5001 * - and forceit not used
5002 * - and not repeated twice on a row
5003 * return FAIL and give error message if 'message' TRUE
5004 * return OK otherwise
5005 */
5006 static int
5007 check_more(message, forceit)
5008 int message; /* when FALSE check only, no messages */
5009 int forceit;
5010 {
5011 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5012
5013 if (!forceit && only_one_window()
5014 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5015 {
5016 if (message)
5017 {
5018 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5019 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5020 {
5021 char_u buff[IOSIZE];
5022
5023 if (n == 1)
5024 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5025 else
5026 vim_snprintf((char *)buff, IOSIZE,
5027 _("%d more files to edit. Quit anyway?"), n);
5028 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5029 return OK;
5030 return FAIL;
5031 }
5032 #endif
5033 if (n == 1)
5034 EMSG(_("E173: 1 more file to edit"));
5035 else
5036 EMSGN(_("E173: %ld more files to edit"), n);
5037 quitmore = 2; /* next try to quit is allowed */
5038 }
5039 return FAIL;
5040 }
5041 return OK;
5042 }
5043
5044 #ifdef FEAT_CMDL_COMPL
5045 /*
5046 * Function given to ExpandGeneric() to obtain the list of command names.
5047 */
5048 /*ARGSUSED*/
5049 char_u *
5050 get_command_name(xp, idx)
5051 expand_T *xp;
5052 int idx;
5053 {
5054 if (idx >= (int)CMD_SIZE)
5055 # ifdef FEAT_USR_CMDS
5056 return get_user_command_name(idx);
5057 # else
5058 return NULL;
5059 # endif
5060 return cmdnames[idx].cmd_name;
5061 }
5062 #endif
5063
5064 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5065 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));
5066 static void uc_list __ARGS((char_u *name, size_t name_len));
5067 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5068 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5069 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));
5070
5071 static int
5072 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5073 char_u *name;
5074 size_t name_len;
5075 char_u *rep;
5076 long argt;
5077 long def;
5078 int flags;
5079 int compl;
5080 char_u *compl_arg;
5081 int force;
5082 {
5083 ucmd_T *cmd = NULL;
5084 char_u *p;
5085 int i;
5086 int cmp = 1;
5087 char_u *rep_buf = NULL;
5088 garray_T *gap;
5089
5090 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5091 if (rep_buf == NULL)
5092 {
5093 /* Can't replace termcodes - try using the string as is */
5094 rep_buf = vim_strsave(rep);
5095
5096 /* Give up if out of memory */
5097 if (rep_buf == NULL)
5098 return FAIL;
5099 }
5100
5101 /* get address of growarray: global or in curbuf */
5102 if (flags & UC_BUFFER)
5103 {
5104 gap = &curbuf->b_ucmds;
5105 if (gap->ga_itemsize == 0)
5106 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5107 }
5108 else
5109 gap = &ucmds;
5110
5111 /* Search for the command in the already defined commands. */
5112 for (i = 0; i < gap->ga_len; ++i)
5113 {
5114 size_t len;
5115
5116 cmd = USER_CMD_GA(gap, i);
5117 len = STRLEN(cmd->uc_name);
5118 cmp = STRNCMP(name, cmd->uc_name, name_len);
5119 if (cmp == 0)
5120 {
5121 if (name_len < len)
5122 cmp = -1;
5123 else if (name_len > len)
5124 cmp = 1;
5125 }
5126
5127 if (cmp == 0)
5128 {
5129 if (!force)
5130 {
5131 EMSG(_("E174: Command already exists: add ! to replace it"));
5132 goto fail;
5133 }
5134
5135 vim_free(cmd->uc_rep);
5136 cmd->uc_rep = 0;
5137 break;
5138 }
5139
5140 /* Stop as soon as we pass the name to add */
5141 if (cmp < 0)
5142 break;
5143 }
5144
5145 /* Extend the array unless we're replacing an existing command */
5146 if (cmp != 0)
5147 {
5148 if (ga_grow(gap, 1) != OK)
5149 goto fail;
5150 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5151 goto fail;
5152
5153 cmd = USER_CMD_GA(gap, i);
5154 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5155
5156 ++gap->ga_len;
5157
5158 cmd->uc_name = p;
5159 }
5160
5161 cmd->uc_rep = rep_buf;
5162 cmd->uc_argt = argt;
5163 cmd->uc_def = def;
5164 cmd->uc_compl = compl;
5165 #ifdef FEAT_EVAL
5166 cmd->uc_scriptID = current_SID;
5167 # ifdef FEAT_CMDL_COMPL
5168 cmd->uc_compl_arg = compl_arg;
5169 # endif
5170 #endif
5171
5172 return OK;
5173
5174 fail:
5175 vim_free(rep_buf);
5176 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5177 vim_free(compl_arg);
5178 #endif
5179 return FAIL;
5180 }
5181
5182 /*
5183 * List of names for completion for ":command" with the EXPAND_ flag.
5184 * Must be alphabetical for completion.
5185 */
5186 static struct
5187 {
5188 int expand;
5189 char *name;
5190 } command_complete[] =
5191 {
5192 {EXPAND_AUGROUP, "augroup"},
5193 {EXPAND_BUFFERS, "buffer"},
5194 {EXPAND_COMMANDS, "command"},
5195 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5196 {EXPAND_USER_DEFINED, "custom"},
5197 {EXPAND_USER_LIST, "customlist"},
5198 #endif
5199 {EXPAND_DIRECTORIES, "dir"},
5200 {EXPAND_ENV_VARS, "environment"},
5201 {EXPAND_EVENTS, "event"},
5202 {EXPAND_EXPRESSION, "expression"},
5203 {EXPAND_FILES, "file"},
5204 {EXPAND_FUNCTIONS, "function"},
5205 {EXPAND_HELP, "help"},
5206 {EXPAND_HIGHLIGHT, "highlight"},
5207 {EXPAND_MAPPINGS, "mapping"},
5208 {EXPAND_MENUS, "menu"},
5209 {EXPAND_SETTINGS, "option"},
5210 {EXPAND_SHELLCMD, "shellcmd"},
5211 {EXPAND_TAGS, "tag"},
5212 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5213 {EXPAND_USER_VARS, "var"},
5214 {0, NULL}
5215 };
5216
5217 static void
5218 uc_list(name, name_len)
5219 char_u *name;
5220 size_t name_len;
5221 {
5222 int i, j;
5223 int found = FALSE;
5224 ucmd_T *cmd;
5225 int len;
5226 long a;
5227 garray_T *gap;
5228
5229 gap = &curbuf->b_ucmds;
5230 for (;;)
5231 {
5232 for (i = 0; i < gap->ga_len; ++i)
5233 {
5234 cmd = USER_CMD_GA(gap, i);
5235 a = (long)cmd->uc_argt;
5236
5237 /* Skip commands which don't match the requested prefix */
5238 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5239 continue;
5240
5241 /* Put out the title first time */
5242 if (!found)
5243 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5244 found = TRUE;
5245 msg_putchar('\n');
5246 if (got_int)
5247 break;
5248
5249 /* Special cases */
5250 msg_putchar(a & BANG ? '!' : ' ');
5251 msg_putchar(a & REGSTR ? '"' : ' ');
5252 msg_putchar(gap != &ucmds ? 'b' : ' ');
5253 msg_putchar(' ');
5254
5255 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5256 len = (int)STRLEN(cmd->uc_name) + 4;
5257
5258 do {
5259 msg_putchar(' ');
5260 ++len;
5261 } while (len < 16);
5262
5263 len = 0;
5264
5265 /* Arguments */
5266 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5267 {
5268 case 0: IObuff[len++] = '0'; break;
5269 case (EXTRA): IObuff[len++] = '*'; break;
5270 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5271 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5272 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5273 }
5274
5275 do {
5276 IObuff[len++] = ' ';
5277 } while (len < 5);
5278
5279 /* Range */
5280 if (a & (RANGE|COUNT))
5281 {
5282 if (a & COUNT)
5283 {
5284 /* -count=N */
5285 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5286 len += (int)STRLEN(IObuff + len);
5287 }
5288 else if (a & DFLALL)
5289 IObuff[len++] = '%';
5290 else if (cmd->uc_def >= 0)
5291 {
5292 /* -range=N */
5293 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5294 len += (int)STRLEN(IObuff + len);
5295 }
5296 else
5297 IObuff[len++] = '.';
5298 }
5299
5300 do {
5301 IObuff[len++] = ' ';
5302 } while (len < 11);
5303
5304 /* Completion */
5305 for (j = 0; command_complete[j].expand != 0; ++j)
5306 if (command_complete[j].expand == cmd->uc_compl)
5307 {
5308 STRCPY(IObuff + len, command_complete[j].name);
5309 len += (int)STRLEN(IObuff + len);
5310 break;
5311 }
5312
5313 do {
5314 IObuff[len++] = ' ';
5315 } while (len < 21);
5316
5317 IObuff[len] = '\0';
5318 msg_outtrans(IObuff);
5319
5320 msg_outtrans_special(cmd->uc_rep, FALSE);
5321 #ifdef FEAT_EVAL
5322 if (p_verbose > 0)
5323 last_set_msg(cmd->uc_scriptID);
5324 #endif
5325 out_flush();
5326 ui_breakcheck();
5327 if (got_int)
5328 break;
5329 }
5330 if (gap == &ucmds || i < gap->ga_len)
5331 break;
5332 gap = &ucmds;
5333 }
5334
5335 if (!found)
5336 MSG(_("No user-defined commands found"));
5337 }
5338
5339 static char_u *
5340 uc_fun_cmd()
5341 {
5342 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5343 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5344 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5345 0xb9, 0x7f, 0};
5346 int i;
5347
5348 for (i = 0; fcmd[i]; ++i)
5349 IObuff[i] = fcmd[i] - 0x40;
5350 IObuff[i] = 0;
5351 return IObuff;
5352 }
5353
5354 static int
5355 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5356 char_u *attr;
5357 size_t len;
5358 long *argt;
5359 long *def;
5360 int *flags;
5361 int *compl;
5362 char_u **compl_arg;
5363 {
5364 char_u *p;
5365
5366 if (len == 0)
5367 {
5368 EMSG(_("E175: No attribute specified"));
5369 return FAIL;
5370 }
5371
5372 /* First, try the simple attributes (no arguments) */
5373 if (STRNICMP(attr, "bang", len) == 0)
5374 *argt |= BANG;
5375 else if (STRNICMP(attr, "buffer", len) == 0)
5376 *flags |= UC_BUFFER;
5377 else if (STRNICMP(attr, "register", len) == 0)
5378 *argt |= REGSTR;
5379 else if (STRNICMP(attr, "bar", len) == 0)
5380 *argt |= TRLBAR;
5381 else
5382 {
5383 int i;
5384 char_u *val = NULL;
5385 size_t vallen = 0;
5386 size_t attrlen = len;
5387
5388 /* Look for the attribute name - which is the part before any '=' */
5389 for (i = 0; i < (int)len; ++i)
5390 {
5391 if (attr[i] == '=')
5392 {
5393 val = &attr[i + 1];
5394 vallen = len - i - 1;
5395 attrlen = i;
5396 break;
5397 }
5398 }
5399
5400 if (STRNICMP(attr, "nargs", attrlen) == 0)
5401 {
5402 if (vallen == 1)
5403 {
5404 if (*val == '0')
5405 /* Do nothing - this is the default */;
5406 else if (*val == '1')
5407 *argt |= (EXTRA | NOSPC | NEEDARG);
5408 else if (*val == '*')
5409 *argt |= EXTRA;
5410 else if (*val == '?')
5411 *argt |= (EXTRA | NOSPC);
5412 else if (*val == '+')
5413 *argt |= (EXTRA | NEEDARG);
5414 else
5415 goto wrong_nargs;
5416 }
5417 else
5418 {
5419 wrong_nargs:
5420 EMSG(_("E176: Invalid number of arguments"));
5421 return FAIL;
5422 }
5423 }
5424 else if (STRNICMP(attr, "range", attrlen) == 0)
5425 {
5426 *argt |= RANGE;
5427 if (vallen == 1 && *val == '%')
5428 *argt |= DFLALL;
5429 else if (val != NULL)
5430 {
5431 p = val;
5432 if (*def >= 0)
5433 {
5434 two_count:
5435 EMSG(_("E177: Count cannot be specified twice"));
5436 return FAIL;
5437 }
5438
5439 *def = getdigits(&p);
5440 *argt |= (ZEROR | NOTADR);
5441
5442 if (p != val + vallen || vallen == 0)
5443 {
5444 invalid_count:
5445 EMSG(_("E178: Invalid default value for count"));
5446 return FAIL;
5447 }
5448 }
5449 }
5450 else if (STRNICMP(attr, "count", attrlen) == 0)
5451 {
5452 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5453
5454 if (val != NULL)
5455 {
5456 p = val;
5457 if (*def >= 0)
5458 goto two_count;
5459
5460 *def = getdigits(&p);
5461
5462 if (p != val + vallen)
5463 goto invalid_count;
5464 }
5465
5466 if (*def < 0)
5467 *def = 0;
5468 }
5469 else if (STRNICMP(attr, "complete", attrlen) == 0)
5470 {
5471 if (val == NULL)
5472 {
5473 EMSG(_("E179: argument required for -complete"));
5474 return FAIL;
5475 }
5476
5477 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5478 == FAIL)
5479 return FAIL;
5480 }
5481 else
5482 {
5483 char_u ch = attr[len];
5484 attr[len] = '\0';
5485 EMSG2(_("E181: Invalid attribute: %s"), attr);
5486 attr[len] = ch;
5487 return FAIL;
5488 }
5489 }
5490
5491 return OK;
5492 }
5493
5494 static void
5495 ex_command(eap)
5496 exarg_T *eap;
5497 {
5498 char_u *name;
5499 char_u *end;
5500 char_u *p;
5501 long argt = 0;
5502 long def = -1;
5503 int flags = 0;
5504 int compl = EXPAND_NOTHING;
5505 char_u *compl_arg = NULL;
5506 int has_attr = (eap->arg[0] == '-');
5507
5508 p = eap->arg;
5509
5510 /* Check for attributes */
5511 while (*p == '-')
5512 {
5513 ++p;
5514 end = skiptowhite(p);
5515 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5516 == FAIL)
5517 return;
5518 p = skipwhite(end);
5519 }
5520
5521 /* Get the name (if any) and skip to the following argument */
5522 name = p;
5523 if (ASCII_ISALPHA(*p))
5524 while (ASCII_ISALNUM(*p))
5525 ++p;
5526 if (!ends_excmd(*p) && !vim_iswhite(*p))
5527 {
5528 EMSG(_("E182: Invalid command name"));
5529 return;
5530 }
5531 end = p;
5532
5533 /* If there is nothing after the name, and no attributes were specified,
5534 * we are listing commands
5535 */
5536 p = skipwhite(end);
5537 if (!has_attr && ends_excmd(*p))
5538 {
5539 uc_list(name, end - name);
5540 }
5541 else if (!ASCII_ISUPPER(*name))
5542 {
5543 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5544 return;
5545 }
5546 else
5547 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5548 eap->forceit);
5549 }
5550
5551 /*
5552 * ":comclear"
5553 * Clear all user commands, global and for current buffer.
5554 */
5555 /*ARGSUSED*/
5556 void
5557 ex_comclear(eap)
5558 exarg_T *eap;
5559 {
5560 uc_clear(&ucmds);
5561 uc_clear(&curbuf->b_ucmds);
5562 }
5563
5564 /*
5565 * Clear all user commands for "gap".
5566 */
5567 void
5568 uc_clear(gap)
5569 garray_T *gap;
5570 {
5571 int i;
5572 ucmd_T *cmd;
5573
5574 for (i = 0; i < gap->ga_len; ++i)
5575 {
5576 cmd = USER_CMD_GA(gap, i);
5577 vim_free(cmd->uc_name);
5578 vim_free(cmd->uc_rep);
5579 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5580 vim_free(cmd->uc_compl_arg);
5581 # endif
5582 }
5583 ga_clear(gap);
5584 }
5585
5586 static void
5587 ex_delcommand(eap)
5588 exarg_T *eap;
5589 {
5590 int i = 0;
5591 ucmd_T *cmd = NULL;
5592 int cmp = -1;
5593 garray_T *gap;
5594
5595 gap = &curbuf->b_ucmds;
5596 for (;;)
5597 {
5598 for (i = 0; i < gap->ga_len; ++i)
5599 {
5600 cmd = USER_CMD_GA(gap, i);
5601 cmp = STRCMP(eap->arg, cmd->uc_name);
5602 if (cmp <= 0)
5603 break;
5604 }
5605 if (gap == &ucmds || cmp == 0)
5606 break;
5607 gap = &ucmds;
5608 }
5609
5610 if (cmp != 0)
5611 {
5612 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5613 return;
5614 }
5615
5616 vim_free(cmd->uc_name);
5617 vim_free(cmd->uc_rep);
5618 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5619 vim_free(cmd->uc_compl_arg);
5620 # endif
5621
5622 --gap->ga_len;
5623
5624 if (i < gap->ga_len)
5625 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5626 }
5627
5628 /*
5629 * split and quote args for <f-args>
5630 */
5631 static char_u *
5632 uc_split_args(arg, lenp)
5633 char_u *arg;
5634 size_t *lenp;
5635 {
5636 char_u *buf;
5637 char_u *p;
5638 char_u *q;
5639 int len;
5640
5641 /* Precalculate length */
5642 p = arg;
5643 len = 2; /* Initial and final quotes */
5644
5645 while (*p)
5646 {
5647 if (p[0] == '\\' && p[1] == '\\')
5648 {
5649 len += 2;
5650 p += 2;
5651 }
5652 else if (p[0] == '\\' && vim_iswhite(p[1]))
5653 {
5654 len += 1;
5655 p += 2;
5656 }
5657 else if (*p == '\\' || *p == '"')
5658 {
5659 len += 2;
5660 p += 1;
5661 }
5662 else if (vim_iswhite(*p))
5663 {
5664 p = skipwhite(p);
5665 if (*p == NUL)
5666 break;
5667 len += 3; /* "," */
5668 }
5669 else
5670 {
5671 ++len;
5672 ++p;
5673 }
5674 }
5675
5676 buf = alloc(len + 1);
5677 if (buf == NULL)
5678 {
5679 *lenp = 0;
5680 return buf;
5681 }
5682
5683 p = arg;
5684 q = buf;
5685 *q++ = '"';
5686 while (*p)
5687 {
5688 if (p[0] == '\\' && p[1] == '\\')
5689 {
5690 *q++ = '\\';
5691 *q++ = '\\';
5692 p += 2;
5693 }
5694 else if (p[0] == '\\' && vim_iswhite(p[1]))
5695 {
5696 *q++ = p[1];
5697 p += 2;
5698 }
5699 else if (*p == '\\' || *p == '"')
5700 {
5701 *q++ = '\\';
5702 *q++ = *p++;
5703 }
5704 else if (vim_iswhite(*p))
5705 {
5706 p = skipwhite(p);
5707 if (*p == NUL)
5708 break;
5709 *q++ = '"';
5710 *q++ = ',';
5711 *q++ = '"';
5712 }
5713 else
5714 {
5715 *q++ = *p++;
5716 }
5717 }
5718 *q++ = '"';
5719 *q = 0;
5720
5721 *lenp = len;
5722 return buf;
5723 }
5724
5725 /*
5726 * Check for a <> code in a user command.
5727 * "code" points to the '<'. "len" the length of the <> (inclusive).
5728 * "buf" is where the result is to be added.
5729 * "split_buf" points to a buffer used for splitting, caller should free it.
5730 * "split_len" is the length of what "split_buf" contains.
5731 * Returns the length of the replacement, which has been added to "buf".
5732 * Returns -1 if there was no match, and only the "<" has been copied.
5733 */
5734 static size_t
5735 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5736 char_u *code;
5737 size_t len;
5738 char_u *buf;
5739 ucmd_T *cmd; /* the user command we're expanding */
5740 exarg_T *eap; /* ex arguments */
5741 char_u **split_buf;
5742 size_t *split_len;
5743 {
5744 size_t result = 0;
5745 char_u *p = code + 1;
5746 size_t l = len - 2;
5747 int quote = 0;
5748 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5749 ct_LT, ct_NONE } type = ct_NONE;
5750
5751 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5752 {
5753 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5754 p += 2;
5755 l -= 2;
5756 }
5757
5758 ++l;
5759 if (l <= 1)
5760 type = ct_NONE;
5761 else if (STRNICMP(p, "args>", l) == 0)
5762 type = ct_ARGS;
5763 else if (STRNICMP(p, "bang>", l) == 0)
5764 type = ct_BANG;
5765 else if (STRNICMP(p, "count>", l) == 0)
5766 type = ct_COUNT;
5767 else if (STRNICMP(p, "line1>", l) == 0)
5768 type = ct_LINE1;
5769 else if (STRNICMP(p, "line2>", l) == 0)
5770 type = ct_LINE2;
5771 else if (STRNICMP(p, "lt>", l) == 0)
5772 type = ct_LT;
5773 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5774 type = ct_REGISTER;
5775
5776 switch (type)
5777 {
5778 case ct_ARGS:
5779 /* Simple case first */
5780 if (*eap->arg == NUL)
5781 {
5782 if (quote == 1)
5783 {
5784 result = 2;
5785 if (buf != NULL)
5786 STRCPY(buf, "''");
5787 }
5788 else
5789 result = 0;
5790 break;
5791 }
5792
5793 /* When specified there is a single argument don't split it.
5794 * Works for ":Cmd %" when % is "a b c". */
5795 if ((eap->argt & NOSPC) && quote == 2)
5796 quote = 1;
5797
5798 switch (quote)
5799 {
5800 case 0: /* No quoting, no splitting */
5801 result = STRLEN(eap->arg);
5802 if (buf != NULL)
5803 STRCPY(buf, eap->arg);
5804 break;
5805 case 1: /* Quote, but don't split */
5806 result = STRLEN(eap->arg) + 2;
5807 for (p = eap->arg; *p; ++p)
5808 {
5809 if (*p == '\\' || *p == '"')
5810 ++result;
5811 }
5812
5813 if (buf != NULL)
5814 {
5815 *buf++ = '"';
5816 for (p = eap->arg; *p; ++p)
5817 {
5818 if (*p == '\\' || *p == '"')
5819 *buf++ = '\\';
5820 *buf++ = *p;
5821 }
5822 *buf = '"';
5823 }
5824
5825 break;
5826 case 2: /* Quote and split (<f-args>) */
5827 /* This is hard, so only do it once, and cache the result */
5828 if (*split_buf == NULL)
5829 *split_buf = uc_split_args(eap->arg, split_len);
5830
5831 result = *split_len;
5832 if (buf != NULL && result != 0)
5833 STRCPY(buf, *split_buf);
5834
5835 break;
5836 }
5837 break;
5838
5839 case ct_BANG:
5840 result = eap->forceit ? 1 : 0;
5841 if (quote)
5842 result += 2;
5843 if (buf != NULL)
5844 {
5845 if (quote)
5846 *buf++ = '"';
5847 if (eap->forceit)
5848 *buf++ = '!';
5849 if (quote)
5850 *buf = '"';
5851 }
5852 break;
5853
5854 case ct_LINE1:
5855 case ct_LINE2:
5856 case ct_COUNT:
5857 {
5858 char num_buf[20];
5859 long num = (type == ct_LINE1) ? eap->line1 :
5860 (type == ct_LINE2) ? eap->line2 :
5861 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5862 size_t num_len;
5863
5864 sprintf(num_buf, "%ld", num);
5865 num_len = STRLEN(num_buf);
5866 result = num_len;
5867
5868 if (quote)
5869 result += 2;
5870
5871 if (buf != NULL)
5872 {
5873 if (quote)
5874 *buf++ = '"';
5875 STRCPY(buf, num_buf);
5876 buf += num_len;
5877 if (quote)
5878 *buf = '"';
5879 }
5880
5881 break;
5882 }
5883
5884 case ct_REGISTER:
5885 result = eap->regname ? 1 : 0;
5886 if (quote)
5887 result += 2;
5888 if (buf != NULL)
5889 {
5890 if (quote)
5891 *buf++ = '\'';
5892 if (eap->regname)
5893 *buf++ = eap->regname;
5894 if (quote)
5895 *buf = '\'';
5896 }
5897 break;
5898
5899 case ct_LT:
5900 result = 1;
5901 if (buf != NULL)
5902 *buf = '<';
5903 break;
5904
5905 default:
5906 /* Not recognized: just copy the '<' and return -1. */
5907 result = (size_t)-1;
5908 if (buf != NULL)
5909 *buf = '<';
5910 break;
5911 }
5912
5913 return result;
5914 }
5915
5916 static void
5917 do_ucmd(eap)
5918 exarg_T *eap;
5919 {
5920 char_u *buf;
5921 char_u *p;
5922 char_u *q;
5923
5924 char_u *start;
5925 char_u *end;
5926 size_t len, totlen;
5927
5928 size_t split_len = 0;
5929 char_u *split_buf = NULL;
5930 ucmd_T *cmd;
5931 #ifdef FEAT_EVAL
5932 scid_T save_current_SID = current_SID;
5933 #endif
5934
5935 if (eap->cmdidx == CMD_USER)
5936 cmd = USER_CMD(eap->useridx);
5937 else
5938 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5939
5940 /*
5941 * Replace <> in the command by the arguments.
5942 */
5943 buf = NULL;
5944 for (;;)
5945 {
5946 p = cmd->uc_rep;
5947 q = buf;
5948 totlen = 0;
5949 while ((start = vim_strchr(p, '<')) != NULL
5950 && (end = vim_strchr(start + 1, '>')) != NULL)
5951 {
5952 /* Include the '>' */
5953 ++end;
5954
5955 /* Take everything up to the '<' */
5956 len = start - p;
5957 if (buf == NULL)
5958 totlen += len;
5959 else
5960 {
5961 mch_memmove(q, p, len);
5962 q += len;
5963 }
5964
5965 len = uc_check_code(start, end - start, q, cmd, eap,
5966 &split_buf, &split_len);
5967 if (len == (size_t)-1)
5968 {
5969 /* no match, continue after '<' */
5970 p = start + 1;
5971 len = 1;
5972 }
5973 else
5974 p = end;
5975 if (buf == NULL)
5976 totlen += len;
5977 else
5978 q += len;
5979 }
5980 if (buf != NULL) /* second time here, finished */
5981 {
5982 STRCPY(q, p);
5983 break;
5984 }
5985
5986 totlen += STRLEN(p); /* Add on the trailing characters */
5987 buf = alloc((unsigned)(totlen + 1));
5988 if (buf == NULL)
5989 {
5990 vim_free(split_buf);
5991 return;
5992 }
5993 }
5994
5995 #ifdef FEAT_EVAL
5996 current_SID = cmd->uc_scriptID;
5997 #endif
5998 (void)do_cmdline(buf, eap->getline, eap->cookie,
5999 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6000 #ifdef FEAT_EVAL
6001 current_SID = save_current_SID;
6002 #endif
6003 vim_free(buf);
6004 vim_free(split_buf);
6005 }
6006
6007 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6008 static char_u *
6009 get_user_command_name(idx)
6010 int idx;
6011 {
6012 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6013 }
6014
6015 /*
6016 * Function given to ExpandGeneric() to obtain the list of user command names.
6017 */
6018 /*ARGSUSED*/
6019 char_u *
6020 get_user_commands(xp, idx)
6021 expand_T *xp;
6022 int idx;
6023 {
6024 if (idx < curbuf->b_ucmds.ga_len)
6025 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6026 idx -= curbuf->b_ucmds.ga_len;
6027 if (idx < ucmds.ga_len)
6028 return USER_CMD(idx)->uc_name;
6029 return NULL;
6030 }
6031
6032 /*
6033 * Function given to ExpandGeneric() to obtain the list of user command
6034 * attributes.
6035 */
6036 /*ARGSUSED*/
6037 char_u *
6038 get_user_cmd_flags(xp, idx)
6039 expand_T *xp;
6040 int idx;
6041 {
6042 static char *user_cmd_flags[] =
6043 {"bang", "bar", "buffer", "complete", "count",
6044 "nargs", "range", "register"};
6045
6046 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6047 return NULL;
6048 return (char_u *)user_cmd_flags[idx];
6049 }
6050
6051 /*
6052 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6053 */
6054 /*ARGSUSED*/
6055 char_u *
6056 get_user_cmd_nargs(xp, idx)
6057 expand_T *xp;
6058 int idx;
6059 {
6060 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6061
6062 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6063 return NULL;
6064 return (char_u *)user_cmd_nargs[idx];
6065 }
6066
6067 /*
6068 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6069 */
6070 /*ARGSUSED*/
6071 char_u *
6072 get_user_cmd_complete(xp, idx)
6073 expand_T *xp;
6074 int idx;
6075 {
6076 return (char_u *)command_complete[idx].name;
6077 }
6078 # endif /* FEAT_CMDL_COMPL */
6079
6080 #endif /* FEAT_USR_CMDS */
6081
6082 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6083 /*
6084 * Parse a completion argument "value[vallen]".
6085 * The detected completion goes in "*complp", argument type in "*argt".
6086 * When there is an argument, for function and user defined completion, it's
6087 * copied to allocated memory and stored in "*compl_arg".
6088 * Returns FAIL if something is wrong.
6089 */
6090 int
6091 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6092 char_u *value;
6093 int vallen;
6094 int *complp;
6095 long *argt;
6096 char_u **compl_arg;
6097 {
6098 char_u *arg = NULL;
6099 size_t arglen = 0;
6100 int i;
6101 int valend = vallen;
6102
6103 /* Look for any argument part - which is the part after any ',' */
6104 for (i = 0; i < vallen; ++i)
6105 {
6106 if (value[i] == ',')
6107 {
6108 arg = &value[i + 1];
6109 arglen = vallen - i - 1;
6110 valend = i;
6111 break;
6112 }
6113 }
6114
6115 for (i = 0; command_complete[i].expand != 0; ++i)
6116 {
6117 if ((int)STRLEN(command_complete[i].name) == valend
6118 && STRNCMP(value, command_complete[i].name, valend) == 0)
6119 {
6120 *complp = command_complete[i].expand;
6121 if (command_complete[i].expand == EXPAND_BUFFERS)
6122 *argt |= BUFNAME;
6123 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6124 || command_complete[i].expand == EXPAND_FILES)
6125 *argt |= XFILE;
6126 break;
6127 }
6128 }
6129
6130 if (command_complete[i].expand == 0)
6131 {
6132 EMSG2(_("E180: Invalid complete value: %s"), value);
6133 return FAIL;
6134 }
6135
6136 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6137 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6138 && arg != NULL)
6139 # else
6140 if (arg != NULL)
6141 # endif
6142 {
6143 EMSG(_("E468: Completion argument only allowed for custom completion"));
6144 return FAIL;
6145 }
6146
6147 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6148 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6149 && arg == NULL)
6150 {
6151 EMSG(_("E467: Custom completion requires a function argument"));
6152 return FAIL;
6153 }
6154
6155 if (arg != NULL)
6156 *compl_arg = vim_strnsave(arg, (int)arglen);
6157 # endif
6158 return OK;
6159 }
6160 #endif
6161
6162 static void
6163 ex_colorscheme(eap)
6164 exarg_T *eap;
6165 {
6166 if (load_colors(eap->arg) == FAIL)
6167 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6168 }
6169
6170 static void
6171 ex_highlight(eap)
6172 exarg_T *eap;
6173 {
6174 if (*eap->arg == NUL && eap->cmd[2] == '!')
6175 MSG(_("Greetings, Vim user!"));
6176 do_highlight(eap->arg, eap->forceit, FALSE);
6177 }
6178
6179
6180 /*
6181 * Call this function if we thought we were going to exit, but we won't
6182 * (because of an error). May need to restore the terminal mode.
6183 */
6184 void
6185 not_exiting()
6186 {
6187 exiting = FALSE;
6188 settmode(TMODE_RAW);
6189 }
6190
6191 /*
6192 * ":quit": quit current window, quit Vim if closed the last window.
6193 */
6194 static void
6195 ex_quit(eap)
6196 exarg_T *eap;
6197 {
6198 #ifdef FEAT_CMDWIN
6199 if (cmdwin_type != 0)
6200 {
6201 cmdwin_result = Ctrl_C;
6202 return;
6203 }
6204 #endif
6205 /* Don't quit while editing the command line. */
6206 if (text_locked())
6207 {
6208 text_locked_msg();
6209 return;
6210 }
6211 #ifdef FEAT_AUTOCMD
6212 if (curbuf_locked())
6213 return;
6214 #endif
6215
6216 #ifdef FEAT_NETBEANS_INTG
6217 netbeansForcedQuit = eap->forceit;
6218 #endif
6219
6220 /*
6221 * If there are more files or windows we won't exit.
6222 */
6223 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6224 exiting = TRUE;
6225 if ((!P_HID(curbuf)
6226 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6227 || check_more(TRUE, eap->forceit) == FAIL
6228 || (only_one_window() && check_changed_any(eap->forceit)))
6229 {
6230 not_exiting();
6231 }
6232 else
6233 {
6234 #ifdef FEAT_WINDOWS
6235 if (only_one_window()) /* quit last window */
6236 #endif
6237 getout(0);
6238 #ifdef FEAT_WINDOWS
6239 # ifdef FEAT_GUI
6240 need_mouse_correct = TRUE;
6241 # endif
6242 /* close window; may free buffer */
6243 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6244 #endif
6245 }
6246 }
6247
6248 /*
6249 * ":cquit".
6250 */
6251 /*ARGSUSED*/
6252 static void
6253 ex_cquit(eap)
6254 exarg_T *eap;
6255 {
6256 getout(1); /* this does not always pass on the exit code to the Manx
6257 compiler. why? */
6258 }
6259
6260 /*
6261 * ":qall": try to quit all windows
6262 */
6263 static void
6264 ex_quit_all(eap)
6265 exarg_T *eap;
6266 {
6267 # ifdef FEAT_CMDWIN
6268 if (cmdwin_type != 0)
6269 {
6270 if (eap->forceit)
6271 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6272 else
6273 cmdwin_result = K_XF2;
6274 return;
6275 }
6276 # endif
6277
6278 /* Don't quit while editing the command line. */
6279 if (text_locked())
6280 {
6281 text_locked_msg();
6282 return;
6283 }
6284 #ifdef FEAT_AUTOCMD
6285 if (curbuf_locked())
6286 return;
6287 #endif
6288
6289 exiting = TRUE;
6290 if (eap->forceit || !check_changed_any(FALSE))
6291 getout(0);
6292 not_exiting();
6293 }
6294
6295 #if defined(FEAT_WINDOWS) || defined(PROTO)
6296 /*
6297 * ":close": close current window, unless it is the last one
6298 */
6299 static void
6300 ex_close(eap)
6301 exarg_T *eap;
6302 {
6303 # ifdef FEAT_CMDWIN
6304 if (cmdwin_type != 0)
6305 cmdwin_result = K_IGNORE;
6306 else
6307 # endif
6308 if (!text_locked()
6309 #ifdef FEAT_AUTOCMD
6310 && !curbuf_locked()
6311 #endif
6312 )
6313 ex_win_close(eap->forceit, curwin, NULL);
6314 }
6315
6316 # ifdef FEAT_QUICKFIX
6317 /*
6318 * ":pclose": Close any preview window.
6319 */
6320 static void
6321 ex_pclose(eap)
6322 exarg_T *eap;
6323 {
6324 win_T *win;
6325
6326 for (win = firstwin; win != NULL; win = win->w_next)
6327 if (win->w_p_pvw)
6328 {
6329 ex_win_close(eap->forceit, win, NULL);
6330 break;
6331 }
6332 }
6333 # endif
6334
6335 /*
6336 * Close window "win" and take care of handling closing the last window for a
6337 * modified buffer.
6338 */
6339 static void
6340 ex_win_close(forceit, win, tp)
6341 int forceit;
6342 win_T *win;
6343 tabpage_T *tp; /* NULL or the tab page "win" is in */
6344 {
6345 int need_hide;
6346 buf_T *buf = win->w_buffer;
6347
6348 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6349 if (need_hide && !P_HID(buf) && !forceit)
6350 {
6351 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6352 if ((p_confirm || cmdmod.confirm) && p_write)
6353 {
6354 dialog_changed(buf, FALSE);
6355 if (buf_valid(buf) && bufIsChanged(buf))
6356 return;
6357 need_hide = FALSE;
6358 }
6359 else
6360 # endif
6361 {
6362 EMSG(_(e_nowrtmsg));
6363 return;
6364 }
6365 }
6366
6367 # ifdef FEAT_GUI
6368 need_mouse_correct = TRUE;
6369 # endif
6370
6371 /* free buffer when not hiding it or when it's a scratch buffer */
6372 if (tp == NULL)
6373 win_close(win, !need_hide && !P_HID(buf));
6374 else
6375 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6376 }
6377
6378 /*
6379 * ":tabclose": close current tab page, unless it is the last one.
6380 * ":tabclose N": close tab page N.
6381 */
6382 static void
6383 ex_tabclose(eap)
6384 exarg_T *eap;
6385 {
6386 tabpage_T *tp;
6387
6388 # ifdef FEAT_CMDWIN
6389 if (cmdwin_type != 0)
6390 cmdwin_result = K_IGNORE;
6391 else
6392 # endif
6393 if (first_tabpage->tp_next == NULL)
6394 EMSG(_("E784: Cannot close last tab page"));
6395 else
6396 {
6397 if (eap->addr_count > 0)
6398 {
6399 tp = find_tabpage((int)eap->line2);
6400 if (tp == NULL)
6401 {
6402 beep_flush();
6403 return;
6404 }
6405 if (tp != curtab)
6406 {
6407 tabpage_close_other(tp, eap->forceit);
6408 return;
6409 }
6410 }
6411 if (!text_locked()
6412 #ifdef FEAT_AUTOCMD
6413 && !curbuf_locked()
6414 #endif
6415 )
6416 tabpage_close(eap->forceit);
6417 }
6418 }
6419
6420 /*
6421 * ":tabonly": close all tab pages except the current one
6422 */
6423 static void
6424 ex_tabonly(eap)
6425 exarg_T *eap;
6426 {
6427 tabpage_T *tp;
6428 int done;
6429
6430 # ifdef FEAT_CMDWIN
6431 if (cmdwin_type != 0)
6432 cmdwin_result = K_IGNORE;
6433 else
6434 # endif
6435 if (first_tabpage->tp_next == NULL)
6436 MSG(_("Already only one tab page"));
6437 else
6438 {
6439 /* Repeat this up to a 1000 times, because autocommands may mess
6440 * up the lists. */
6441 for (done = 0; done < 1000; ++done)
6442 {
6443 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6444 if (tp->tp_topframe != topframe)
6445 {
6446 tabpage_close_other(tp, eap->forceit);
6447 /* if we failed to close it quit */
6448 if (valid_tabpage(tp))
6449 done = 1000;
6450 /* start over, "tp" is now invalid */
6451 break;
6452 }
6453 if (first_tabpage->tp_next == NULL)
6454 break;
6455 }
6456 }
6457 }
6458
6459 /*
6460 * Close the current tab page.
6461 */
6462 void
6463 tabpage_close(forceit)
6464 int forceit;
6465 {
6466 /* First close all the windows but the current one. If that worked then
6467 * close the last window in this tab, that will close it. */
6468 if (lastwin != firstwin)
6469 close_others(TRUE, forceit);
6470 if (lastwin == firstwin)
6471 ex_win_close(forceit, curwin, NULL);
6472 # ifdef FEAT_GUI
6473 need_mouse_correct = TRUE;
6474 # endif
6475 }
6476
6477 /*
6478 * Close tab page "tp", which is not the current tab page.
6479 * Note that autocommands may make "tp" invalid.
6480 * Also takes care of the tab pages line disappearing when closing the
6481 * last-but-one tab page.
6482 */
6483 void
6484 tabpage_close_other(tp, forceit)
6485 tabpage_T *tp;
6486 int forceit;
6487 {
6488 int done = 0;
6489 win_T *wp;
6490 int h = tabline_height();
6491
6492 /* Limit to 1000 windows, autocommands may add a window while we close
6493 * one. OK, so I'm paranoid... */
6494 while (++done < 1000)
6495 {
6496 wp = tp->tp_firstwin;
6497 ex_win_close(forceit, wp, tp);
6498
6499 /* Autocommands may delete the tab page under our fingers and we may
6500 * fail to close a window with a modified buffer. */
6501 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6502 break;
6503 }
6504
6505 redraw_tabline = TRUE;
6506 if (h != tabline_height())
6507 shell_new_rows();
6508 }
6509
6510 /*
6511 * ":only".
6512 */
6513 static void
6514 ex_only(eap)
6515 exarg_T *eap;
6516 {
6517 # ifdef FEAT_GUI
6518 need_mouse_correct = TRUE;
6519 # endif
6520 close_others(TRUE, eap->forceit);
6521 }
6522
6523 /*
6524 * ":all" and ":sall".
6525 * Also used for ":tab drop file ..." after setting the argument list.
6526 */
6527 void
6528 ex_all(eap)
6529 exarg_T *eap;
6530 {
6531 if (eap->addr_count == 0)
6532 eap->line2 = 9999;
6533 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6534 }
6535 #endif /* FEAT_WINDOWS */
6536
6537 static void
6538 ex_hide(eap)
6539 exarg_T *eap;
6540 {
6541 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6542 eap->errmsg = e_invarg;
6543 else
6544 {
6545 /* ":hide" or ":hide | cmd": hide current window */
6546 eap->nextcmd = check_nextcmd(eap->arg);
6547 #ifdef FEAT_WINDOWS
6548 if (!eap->skip)
6549 {
6550 # ifdef FEAT_GUI
6551 need_mouse_correct = TRUE;
6552 # endif
6553 win_close(curwin, FALSE); /* don't free buffer */
6554 }
6555 #endif
6556 }
6557 }
6558
6559 /*
6560 * ":stop" and ":suspend": Suspend Vim.
6561 */
6562 static void
6563 ex_stop(eap)
6564 exarg_T *eap;
6565 {
6566 /*
6567 * Disallow suspending for "rvim".
6568 */
6569 if (!check_restricted()
6570 #ifdef WIN3264
6571 /*
6572 * Check if external commands are allowed now.
6573 */
6574 && can_end_termcap_mode(TRUE)
6575 #endif
6576 )
6577 {
6578 if (!eap->forceit)
6579 autowrite_all();
6580 windgoto((int)Rows - 1, 0);
6581 out_char('\n');
6582 out_flush();
6583 stoptermcap();
6584 out_flush(); /* needed for SUN to restore xterm buffer */
6585 #ifdef FEAT_TITLE
6586 mch_restore_title(3); /* restore window titles */
6587 #endif
6588 ui_suspend(); /* call machine specific function */
6589 #ifdef FEAT_TITLE
6590 maketitle();
6591 resettitle(); /* force updating the title */
6592 #endif
6593 starttermcap();
6594 scroll_start(); /* scroll screen before redrawing */
6595 redraw_later_clear();
6596 shell_resized(); /* may have resized window */
6597 }
6598 }
6599
6600 /*
6601 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6602 */
6603 static void
6604 ex_exit(eap)
6605 exarg_T *eap;
6606 {
6607 #ifdef FEAT_CMDWIN
6608 if (cmdwin_type != 0)
6609 {
6610 cmdwin_result = Ctrl_C;
6611 return;
6612 }
6613 #endif
6614 /* Don't quit while editing the command line. */
6615 if (text_locked())
6616 {
6617 text_locked_msg();
6618 return;
6619 }
6620 #ifdef FEAT_AUTOCMD
6621 if (curbuf_locked())
6622 return;
6623 #endif
6624
6625 /*
6626 * if more files or windows we won't exit
6627 */
6628 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6629 exiting = TRUE;
6630 if ( ((eap->cmdidx == CMD_wq
6631 || curbufIsChanged())
6632 && do_write(eap) == FAIL)
6633 || check_more(TRUE, eap->forceit) == FAIL
6634 || (only_one_window() && check_changed_any(eap->forceit)))
6635 {
6636 not_exiting();
6637 }
6638 else
6639 {
6640 #ifdef FEAT_WINDOWS
6641 if (only_one_window()) /* quit last window, exit Vim */
6642 #endif
6643 getout(0);
6644 #ifdef FEAT_WINDOWS
6645 # ifdef FEAT_GUI
6646 need_mouse_correct = TRUE;
6647 # endif
6648 /* quit current window, may free buffer */
6649 win_close(curwin, !P_HID(curwin->w_buffer));
6650 #endif
6651 }
6652 }
6653
6654 /*
6655 * ":print", ":list", ":number".
6656 */
6657 static void
6658 ex_print(eap)
6659 exarg_T *eap;
6660 {
6661 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6662 EMSG(_(e_emptybuf));
6663 else
6664 {
6665 for ( ;!got_int; ui_breakcheck())
6666 {
6667 print_line(eap->line1,
6668 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6669 || (eap->flags & EXFLAG_NR)),
6670 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6671 if (++eap->line1 > eap->line2)
6672 break;
6673 out_flush(); /* show one line at a time */
6674 }
6675 setpcmark();
6676 /* put cursor at last line */
6677 curwin->w_cursor.lnum = eap->line2;
6678 beginline(BL_SOL | BL_FIX);
6679 }
6680
6681 ex_no_reprint = TRUE;
6682 }
6683
6684 #ifdef FEAT_BYTEOFF
6685 static void
6686 ex_goto(eap)
6687 exarg_T *eap;
6688 {
6689 goto_byte(eap->line2);
6690 }
6691 #endif
6692
6693 /*
6694 * ":shell".
6695 */
6696 /*ARGSUSED*/
6697 static void
6698 ex_shell(eap)
6699 exarg_T *eap;
6700 {
6701 do_shell(NULL, 0);
6702 }
6703
6704 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6705 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6706 || defined(FEAT_GUI_MSWIN) \
6707 || defined(FEAT_GUI_MAC) \
6708 || defined(PROTO) \
6709 || defined(FEAT_GUI_MACVIM)
6710
6711 /*
6712 * Handle a file drop. The code is here because a drop is *nearly* like an
6713 * :args command, but not quite (we have a list of exact filenames, so we
6714 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6715 * code is very similar to :args and hence needs access to a lot of the static
6716 * functions in this file.
6717 *
6718 * The list should be allocated using alloc(), as should each item in the
6719 * list. This function takes over responsibility for freeing the list.
6720 *
6721 * XXX The list is made into the argument list. This is freed using
6722 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6723 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6724 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6725 * file functionality is (currently) not in EMX this is not presently a
6726 * problem.
6727 */
6728 void
6729 handle_drop(filec, filev, split)
6730 int filec; /* the number of files dropped */
6731 char_u **filev; /* the list of files dropped */
6732 int split; /* force splitting the window */
6733 {
6734 exarg_T ea;
6735 int save_msg_scroll = msg_scroll;
6736
6737 /* Postpone this while editing the command line. */
6738 if (text_locked())
6739 return;
6740 #ifdef FEAT_AUTOCMD
6741 if (curbuf_locked())
6742 return;
6743 #endif
6744
6745 /* Check whether the current buffer is changed. If so, we will need
6746 * to split the current window or data could be lost.
6747 * We don't need to check if the 'hidden' option is set, as in this
6748 * case the buffer won't be lost.
6749 */
6750 if (!P_HID(curbuf) && !split)
6751 {
6752 ++emsg_off;
6753 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6754 --emsg_off;
6755 }
6756 if (split)
6757 {
6758 # ifdef FEAT_WINDOWS
6759 if (win_split(0, 0) == FAIL)
6760 return;
6761 # ifdef FEAT_SCROLLBIND
6762 curwin->w_p_scb = FALSE;
6763 # endif
6764
6765 /* When splitting the window, create a new alist. Otherwise the
6766 * existing one is overwritten. */
6767 alist_unlink(curwin->w_alist);
6768 alist_new();
6769 # else
6770 return; /* can't split, always fail */
6771 # endif
6772 }
6773
6774 /*
6775 * Set up the new argument list.
6776 */
6777 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6778
6779 /*
6780 * Move to the first file.
6781 */
6782 /* Fake up a minimal "next" command for do_argfile() */
6783 vim_memset(&ea, 0, sizeof(ea));
6784 ea.cmd = (char_u *)"next";
6785 do_argfile(&ea, 0);
6786
6787 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6788 * mode that is not needed here. */
6789 need_start_insertmode = FALSE;
6790
6791 /* Restore msg_scroll, otherwise a following command may cause scrolling
6792 * unexpectedly. The screen will be redrawn by the caller, thus
6793 * msg_scroll being set by displaying a message is irrelevant. */
6794 msg_scroll = save_msg_scroll;
6795 }
6796 #endif
6797
6798 /*
6799 * Clear an argument list: free all file names and reset it to zero entries.
6800 */
6801 void
6802 alist_clear(al)
6803 alist_T *al;
6804 {
6805 while (--al->al_ga.ga_len >= 0)
6806 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6807 ga_clear(&al->al_ga);
6808 }
6809
6810 /*
6811 * Init an argument list.
6812 */
6813 void
6814 alist_init(al)
6815 alist_T *al;
6816 {
6817 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6818 }
6819
6820 #if defined(FEAT_WINDOWS) || defined(PROTO)
6821
6822 /*
6823 * Remove a reference from an argument list.
6824 * Ignored when the argument list is the global one.
6825 * If the argument list is no longer used by any window, free it.
6826 */
6827 void
6828 alist_unlink(al)
6829 alist_T *al;
6830 {
6831 if (al != &global_alist && --al->al_refcount <= 0)
6832 {
6833 alist_clear(al);
6834 vim_free(al);
6835 }
6836 }
6837
6838 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6839 /*
6840 * Create a new argument list and use it for the current window.
6841 */
6842 void
6843 alist_new()
6844 {
6845 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6846 if (curwin->w_alist == NULL)
6847 {
6848 curwin->w_alist = &global_alist;
6849 ++global_alist.al_refcount;
6850 }
6851 else
6852 {
6853 curwin->w_alist->al_refcount = 1;
6854 alist_init(curwin->w_alist);
6855 }
6856 }
6857 # endif
6858 #endif
6859
6860 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6861 /*
6862 * Expand the file names in the global argument list.
6863 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6864 * numbers to be re-used.
6865 */
6866 void
6867 alist_expand(fnum_list, fnum_len)
6868 int *fnum_list;
6869 int fnum_len;
6870 {
6871 char_u **old_arg_files;
6872 int old_arg_count;
6873 char_u **new_arg_files;
6874 int new_arg_file_count;
6875 char_u *save_p_su = p_su;
6876 int i;
6877
6878 /* Don't use 'suffixes' here. This should work like the shell did the
6879 * expansion. Also, the vimrc file isn't read yet, thus the user
6880 * can't set the options. */
6881 p_su = empty_option;
6882 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6883 if (old_arg_files != NULL)
6884 {
6885 for (i = 0; i < GARGCOUNT; ++i)
6886 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6887 old_arg_count = GARGCOUNT;
6888 if (expand_wildcards(old_arg_count, old_arg_files,
6889 &new_arg_file_count, &new_arg_files,
6890 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6891 && new_arg_file_count > 0)
6892 {
6893 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6894 TRUE, fnum_list, fnum_len);
6895 FreeWild(old_arg_count, old_arg_files);
6896 }
6897 }
6898 p_su = save_p_su;
6899 }
6900 #endif
6901
6902 /*
6903 * Set the argument list for the current window.
6904 * Takes over the allocated files[] and the allocated fnames in it.
6905 */
6906 void
6907 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6908 alist_T *al;
6909 int count;
6910 char_u **files;
6911 int use_curbuf;
6912 int *fnum_list;
6913 int fnum_len;
6914 {
6915 int i;
6916
6917 alist_clear(al);
6918 if (ga_grow(&al->al_ga, count) == OK)
6919 {
6920 for (i = 0; i < count; ++i)
6921 {
6922 if (got_int)
6923 {
6924 /* When adding many buffers this can take a long time. Allow
6925 * interrupting here. */
6926 while (i < count)
6927 vim_free(files[i++]);
6928 break;
6929 }
6930
6931 /* May set buffer name of a buffer previously used for the
6932 * argument list, so that it's re-used by alist_add. */
6933 if (fnum_list != NULL && i < fnum_len)
6934 buf_set_name(fnum_list[i], files[i]);
6935
6936 alist_add(al, files[i], use_curbuf ? 2 : 1);
6937 ui_breakcheck();
6938 }
6939 vim_free(files);
6940 }
6941 else
6942 FreeWild(count, files);
6943 #ifdef FEAT_WINDOWS
6944 if (al == &global_alist)
6945 #endif
6946 arg_had_last = FALSE;
6947 }
6948
6949 /*
6950 * Add file "fname" to argument list "al".
6951 * "fname" must have been allocated and "al" must have been checked for room.
6952 */
6953 void
6954 alist_add(al, fname, set_fnum)
6955 alist_T *al;
6956 char_u *fname;
6957 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6958 {
6959 if (fname == NULL) /* don't add NULL file names */
6960 return;
6961 #ifdef BACKSLASH_IN_FILENAME
6962 slash_adjust(fname);
6963 #endif
6964 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6965 if (set_fnum > 0)
6966 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6967 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6968 ++al->al_ga.ga_len;
6969 }
6970
6971 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6972 /*
6973 * Adjust slashes in file names. Called after 'shellslash' was set.
6974 */
6975 void
6976 alist_slash_adjust()
6977 {
6978 int i;
6979 # ifdef FEAT_WINDOWS
6980 win_T *wp;
6981 tabpage_T *tp;
6982 # endif
6983
6984 for (i = 0; i < GARGCOUNT; ++i)
6985 if (GARGLIST[i].ae_fname != NULL)
6986 slash_adjust(GARGLIST[i].ae_fname);
6987 # ifdef FEAT_WINDOWS
6988 FOR_ALL_TAB_WINDOWS(tp, wp)
6989 if (wp->w_alist != &global_alist)
6990 for (i = 0; i < WARGCOUNT(wp); ++i)
6991 if (WARGLIST(wp)[i].ae_fname != NULL)
6992 slash_adjust(WARGLIST(wp)[i].ae_fname);
6993 # endif
6994 }
6995 #endif
6996
6997 /*
6998 * ":preserve".
6999 */
7000 /*ARGSUSED*/
7001 static void
7002 ex_preserve(eap)
7003 exarg_T *eap;
7004 {
7005 curbuf->b_flags |= BF_PRESERVED;
7006 ml_preserve(curbuf, TRUE);
7007 }
7008
7009 /*
7010 * ":recover".
7011 */
7012 static void
7013 ex_recover(eap)
7014 exarg_T *eap;
7015 {
7016 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7017 recoverymode = TRUE;
7018 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7019 && (*eap->arg == NUL
7020 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7021 ml_recover();
7022 recoverymode = FALSE;
7023 }
7024
7025 /*
7026 * Command modifier used in a wrong way.
7027 */
7028 static void
7029 ex_wrongmodifier(eap)
7030 exarg_T *eap;
7031 {
7032 eap->errmsg = e_invcmd;
7033 }
7034
7035 #ifdef FEAT_WINDOWS
7036 /*
7037 * :sview [+command] file split window with new file, read-only
7038 * :split [[+command] file] split window with current or new file
7039 * :vsplit [[+command] file] split window vertically with current or new file
7040 * :new [[+command] file] split window with no or new file
7041 * :vnew [[+command] file] split vertically window with no or new file
7042 * :sfind [+command] file split window with file in 'path'
7043 *
7044 * :tabedit open new Tab page with empty window
7045 * :tabedit [+command] file open new Tab page and edit "file"
7046 * :tabnew [[+command] file] just like :tabedit
7047 * :tabfind [+command] file open new Tab page and find "file"
7048 */
7049 void
7050 ex_splitview(eap)
7051 exarg_T *eap;
7052 {
7053 win_T *old_curwin = curwin;
7054 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7055 char_u *fname = NULL;
7056 # endif
7057 # ifdef FEAT_BROWSE
7058 int browse_flag = cmdmod.browse;
7059 # endif
7060
7061 # ifndef FEAT_VERTSPLIT
7062 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7063 {
7064 ex_ni(eap);
7065 return;
7066 }
7067 # endif
7068
7069 # ifdef FEAT_GUI
7070 need_mouse_correct = TRUE;
7071 # endif
7072
7073 # ifdef FEAT_QUICKFIX
7074 /* A ":split" in the quickfix window works like ":new". Don't want two
7075 * quickfix windows. */
7076 if (bt_quickfix(curbuf))
7077 {
7078 if (eap->cmdidx == CMD_split)
7079 eap->cmdidx = CMD_new;
7080 # ifdef FEAT_VERTSPLIT
7081 if (eap->cmdidx == CMD_vsplit)
7082 eap->cmdidx = CMD_vnew;
7083 # endif
7084 }
7085 # endif
7086
7087 # ifdef FEAT_SEARCHPATH
7088 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7089 {
7090 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7091 FNAME_MESS, TRUE, curbuf->b_ffname);
7092 if (fname == NULL)
7093 goto theend;
7094 eap->arg = fname;
7095 }
7096 # ifdef FEAT_BROWSE
7097 else
7098 # endif
7099 # endif
7100 # ifdef FEAT_BROWSE
7101 if (cmdmod.browse
7102 # ifdef FEAT_VERTSPLIT
7103 && eap->cmdidx != CMD_vnew
7104 # endif
7105 && eap->cmdidx != CMD_new)
7106 {
7107 if (
7108 # ifdef FEAT_GUI
7109 !gui.in_use &&
7110 # endif
7111 au_has_group((char_u *)"FileExplorer"))
7112 {
7113 /* No browsing supported but we do have the file explorer:
7114 * Edit the directory. */
7115 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7116 eap->arg = (char_u *)".";
7117 }
7118 else
7119 {
7120 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7121 eap->arg, NULL, NULL, NULL, curbuf);
7122 if (fname == NULL)
7123 goto theend;
7124 eap->arg = fname;
7125 }
7126 }
7127 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7128 # endif
7129
7130 /*
7131 * Either open new tab page or split the window.
7132 */
7133 if (eap->cmdidx == CMD_tabedit
7134 || eap->cmdidx == CMD_tabfind
7135 || eap->cmdidx == CMD_tabnew)
7136 {
7137 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7138 : eap->addr_count == 0 ? 0
7139 : (int)eap->line2 + 1) != FAIL)
7140 {
7141 do_exedit(eap, old_curwin);
7142
7143 /* set the alternate buffer for the window we came from */
7144 if (curwin != old_curwin
7145 && win_valid(old_curwin)
7146 && old_curwin->w_buffer != curbuf
7147 && !cmdmod.keepalt)
7148 old_curwin->w_alt_fnum = curbuf->b_fnum;
7149 }
7150 }
7151 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7152 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7153 {
7154 # ifdef FEAT_SCROLLBIND
7155 /* Reset 'scrollbind' when editing another file, but keep it when
7156 * doing ":split" without arguments. */
7157 if (*eap->arg != NUL
7158 # ifdef FEAT_BROWSE
7159 || cmdmod.browse
7160 # endif
7161 )
7162 curwin->w_p_scb = FALSE;
7163 else
7164 do_check_scrollbind(FALSE);
7165 # endif
7166 do_exedit(eap, old_curwin);
7167 }
7168
7169 # ifdef FEAT_BROWSE
7170 cmdmod.browse = browse_flag;
7171 # endif
7172
7173 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7174 theend:
7175 vim_free(fname);
7176 # endif
7177 }
7178
7179 #if defined(FEAT_MOUSE) || defined(PROTO)
7180 /*
7181 * Open a new tab page.
7182 */
7183 void
7184 tabpage_new()
7185 {
7186 exarg_T ea;
7187
7188 vim_memset(&ea, 0, sizeof(ea));
7189 ea.cmdidx = CMD_tabnew;
7190 ea.cmd = (char_u *)"tabn";
7191 ea.arg = (char_u *)"";
7192 ex_splitview(&ea);
7193 }
7194 #endif
7195
7196 /*
7197 * :tabnext command
7198 */
7199 static void
7200 ex_tabnext(eap)
7201 exarg_T *eap;
7202 {
7203 switch (eap->cmdidx)
7204 {
7205 case CMD_tabfirst:
7206 case CMD_tabrewind:
7207 goto_tabpage(1);
7208 break;
7209 case CMD_tablast:
7210 goto_tabpage(9999);
7211 break;
7212 case CMD_tabprevious:
7213 case CMD_tabNext:
7214 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7215 break;
7216 default: /* CMD_tabnext */
7217 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7218 break;
7219 }
7220 }
7221
7222 /*
7223 * :tabmove command
7224 */
7225 static void
7226 ex_tabmove(eap)
7227 exarg_T *eap;
7228 {
7229 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7230 }
7231
7232 /*
7233 * :tabs command: List tabs and their contents.
7234 */
7235 /*ARGSUSED*/
7236 static void
7237 ex_tabs(eap)
7238 exarg_T *eap;
7239 {
7240 tabpage_T *tp;
7241 win_T *wp;
7242 int tabcount = 1;
7243
7244 msg_start();
7245 msg_scroll = TRUE;
7246 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7247 {
7248 msg_putchar('\n');
7249 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7250 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7251 out_flush(); /* output one line at a time */
7252 ui_breakcheck();
7253
7254 if (tp == curtab)
7255 wp = firstwin;
7256 else
7257 wp = tp->tp_firstwin;
7258 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7259 {
7260 msg_putchar('\n');
7261 msg_putchar(wp == curwin ? '>' : ' ');
7262 msg_putchar(' ');
7263 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7264 msg_putchar(' ');
7265 if (buf_spname(wp->w_buffer) != NULL)
7266 STRCPY(IObuff, buf_spname(wp->w_buffer));
7267 else
7268 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7269 IObuff, IOSIZE, TRUE);
7270 msg_outtrans(IObuff);
7271 out_flush(); /* output one line at a time */
7272 ui_breakcheck();
7273 }
7274 }
7275 }
7276
7277 #endif /* FEAT_WINDOWS */
7278
7279 /*
7280 * ":mode": Set screen mode.
7281 * If no argument given, just get the screen size and redraw.
7282 */
7283 static void
7284 ex_mode(eap)
7285 exarg_T *eap;
7286 {
7287 if (*eap->arg == NUL)
7288 shell_resized();
7289 else
7290 mch_screenmode(eap->arg);
7291 }
7292
7293 #ifdef FEAT_WINDOWS
7294 /*
7295 * ":resize".
7296 * set, increment or decrement current window height
7297 */
7298 static void
7299 ex_resize(eap)
7300 exarg_T *eap;
7301 {
7302 int n;
7303 win_T *wp = curwin;
7304
7305 if (eap->addr_count > 0)
7306 {
7307 n = eap->line2;
7308 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7309 ;
7310 }
7311
7312 #ifdef FEAT_GUI
7313 need_mouse_correct = TRUE;
7314 #endif
7315 n = atol((char *)eap->arg);
7316 #ifdef FEAT_VERTSPLIT
7317 if (cmdmod.split & WSP_VERT)
7318 {
7319 if (*eap->arg == '-' || *eap->arg == '+')
7320 n += W_WIDTH(curwin);
7321 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7322 n = 9999;
7323 win_setwidth_win((int)n, wp);
7324 }
7325 else
7326 #endif
7327 {
7328 if (*eap->arg == '-' || *eap->arg == '+')
7329 n += curwin->w_height;
7330 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7331 n = 9999;
7332 win_setheight_win((int)n, wp);
7333 }
7334 }
7335 #endif
7336
7337 /*
7338 * ":find [+command] <file>" command.
7339 */
7340 static void
7341 ex_find(eap)
7342 exarg_T *eap;
7343 {
7344 #ifdef FEAT_SEARCHPATH
7345 char_u *fname;
7346 int count;
7347
7348 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7349 TRUE, curbuf->b_ffname);
7350 if (eap->addr_count > 0)
7351 {
7352 /* Repeat finding the file "count" times. This matters when it
7353 * appears several times in the path. */
7354 count = eap->line2;
7355 while (fname != NULL && --count > 0)
7356 {
7357 vim_free(fname);
7358 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7359 FALSE, curbuf->b_ffname);
7360 }
7361 }
7362
7363 if (fname != NULL)
7364 {
7365 eap->arg = fname;
7366 #endif
7367 do_exedit(eap, NULL);
7368 #ifdef FEAT_SEARCHPATH
7369 vim_free(fname);
7370 }
7371 #endif
7372 }
7373
7374 /*
7375 * ":open" simulation: for now just work like ":visual".
7376 */
7377 static void
7378 ex_open(eap)
7379 exarg_T *eap;
7380 {
7381 regmatch_T regmatch;
7382 char_u *p;
7383
7384 curwin->w_cursor.lnum = eap->line2;
7385 beginline(BL_SOL | BL_FIX);
7386 if (*eap->arg == '/')
7387 {
7388 /* ":open /pattern/": put cursor in column found with pattern */
7389 ++eap->arg;
7390 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7391 *p = NUL;
7392 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7393 if (regmatch.regprog != NULL)
7394 {
7395 regmatch.rm_ic = p_ic;
7396 p = ml_get_curline();
7397 if (vim_regexec(&regmatch, p, (colnr_T)0))
7398 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7399 else
7400 EMSG(_(e_nomatch));
7401 vim_free(regmatch.regprog);
7402 }
7403 /* Move to the NUL, ignore any other arguments. */
7404 eap->arg += STRLEN(eap->arg);
7405 }
7406 check_cursor();
7407
7408 eap->cmdidx = CMD_visual;
7409 do_exedit(eap, NULL);
7410 }
7411
7412 /*
7413 * ":edit", ":badd", ":visual".
7414 */
7415 static void
7416 ex_edit(eap)
7417 exarg_T *eap;
7418 {
7419 do_exedit(eap, NULL);
7420 }
7421
7422 /*
7423 * ":edit <file>" command and alikes.
7424 */
7425 /*ARGSUSED*/
7426 void
7427 do_exedit(eap, old_curwin)
7428 exarg_T *eap;
7429 win_T *old_curwin; /* curwin before doing a split or NULL */
7430 {
7431 int n;
7432 #ifdef FEAT_WINDOWS
7433 int need_hide;
7434 #endif
7435 int exmode_was = exmode_active;
7436
7437 /*
7438 * ":vi" command ends Ex mode.
7439 */
7440 if (exmode_active && (eap->cmdidx == CMD_visual
7441 || eap->cmdidx == CMD_view))
7442 {
7443 exmode_active = FALSE;
7444 if (*eap->arg == NUL)
7445 {
7446 /* Special case: ":global/pat/visual\NLvi-commands" */
7447 if (global_busy)
7448 {
7449 int rd = RedrawingDisabled;
7450 int nwr = no_wait_return;
7451 int ms = msg_scroll;
7452 #ifdef FEAT_GUI
7453 int he = hold_gui_events;
7454 #endif
7455
7456 if (eap->nextcmd != NULL)
7457 {
7458 stuffReadbuff(eap->nextcmd);
7459 eap->nextcmd = NULL;
7460 }
7461
7462 if (exmode_was != EXMODE_VIM)
7463 settmode(TMODE_RAW);
7464 RedrawingDisabled = 0;
7465 no_wait_return = 0;
7466 need_wait_return = FALSE;
7467 msg_scroll = 0;
7468 #ifdef FEAT_GUI
7469 hold_gui_events = 0;
7470 #endif
7471 must_redraw = CLEAR;
7472
7473 main_loop(FALSE, TRUE);
7474
7475 RedrawingDisabled = rd;
7476 no_wait_return = nwr;
7477 msg_scroll = ms;
7478 #ifdef FEAT_GUI
7479 hold_gui_events = he;
7480 #endif
7481 }
7482 return;
7483 }
7484 }
7485
7486 if ((eap->cmdidx == CMD_new
7487 || eap->cmdidx == CMD_tabnew
7488 || eap->cmdidx == CMD_tabedit
7489 #ifdef FEAT_VERTSPLIT
7490 || eap->cmdidx == CMD_vnew
7491 #endif
7492 ) && *eap->arg == NUL)
7493 {
7494 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7495 setpcmark();
7496 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7497 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7498 }
7499 else if ((eap->cmdidx != CMD_split
7500 #ifdef FEAT_VERTSPLIT
7501 && eap->cmdidx != CMD_vsplit
7502 #endif
7503 )
7504 || *eap->arg != NUL
7505 #ifdef FEAT_BROWSE
7506 || cmdmod.browse
7507 #endif
7508 )
7509 {
7510 #ifdef FEAT_AUTOCMD
7511 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7512 * can bring us here, others are stopped earlier. */
7513 if (*eap->arg != NUL && curbuf_locked())
7514 return;
7515 #endif
7516 n = readonlymode;
7517 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7518 readonlymode = TRUE;
7519 else if (eap->cmdidx == CMD_enew)
7520 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7521 empty buffer */
7522 setpcmark();
7523 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7524 NULL, eap,
7525 /* ":edit" goes to first line if Vi compatible */
7526 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7527 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7528 ? ECMD_ONE : eap->do_ecmd_lnum,
7529 (P_HID(curbuf) ? ECMD_HIDE : 0)
7530 + (eap->forceit ? ECMD_FORCEIT : 0)
7531 #ifdef FEAT_LISTCMDS
7532 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7533 #endif
7534 ) == FAIL)
7535 {
7536 /* Editing the file failed. If the window was split, close it. */
7537 #ifdef FEAT_WINDOWS
7538 if (old_curwin != NULL)
7539 {
7540 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7541 if (!need_hide || P_HID(curbuf))
7542 {
7543 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7544 cleanup_T cs;
7545
7546 /* Reset the error/interrupt/exception state here so that
7547 * aborting() returns FALSE when closing a window. */
7548 enter_cleanup(&cs);
7549 # endif
7550 # ifdef FEAT_GUI
7551 need_mouse_correct = TRUE;
7552 # endif
7553 win_close(curwin, !need_hide && !P_HID(curbuf));
7554
7555 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7556 /* Restore the error/interrupt/exception state if not
7557 * discarded by a new aborting error, interrupt, or
7558 * uncaught exception. */
7559 leave_cleanup(&cs);
7560 # endif
7561 }
7562 }
7563 #endif
7564 }
7565 else if (readonlymode && curbuf->b_nwindows == 1)
7566 {
7567 /* When editing an already visited buffer, 'readonly' won't be set
7568 * but the previous value is kept. With ":view" and ":sview" we
7569 * want the file to be readonly, except when another window is
7570 * editing the same buffer. */
7571 curbuf->b_p_ro = TRUE;
7572 }
7573 readonlymode = n;
7574 }
7575 else
7576 {
7577 if (eap->do_ecmd_cmd != NULL)
7578 do_cmdline_cmd(eap->do_ecmd_cmd);
7579 #ifdef FEAT_TITLE
7580 n = curwin->w_arg_idx_invalid;
7581 #endif
7582 check_arg_idx(curwin);
7583 #ifdef FEAT_TITLE
7584 if (n != curwin->w_arg_idx_invalid)
7585 maketitle();
7586 #endif
7587 }
7588
7589 #ifdef FEAT_WINDOWS
7590 /*
7591 * if ":split file" worked, set alternate file name in old window to new
7592 * file
7593 */
7594 if (old_curwin != NULL
7595 && *eap->arg != NUL
7596 && curwin != old_curwin
7597 && win_valid(old_curwin)
7598 && old_curwin->w_buffer != curbuf
7599 && !cmdmod.keepalt)
7600 old_curwin->w_alt_fnum = curbuf->b_fnum;
7601 #endif
7602
7603 ex_no_reprint = TRUE;
7604 }
7605
7606 #ifndef FEAT_GUI
7607 /*
7608 * ":gui" and ":gvim" when there is no GUI.
7609 */
7610 static void
7611 ex_nogui(eap)
7612 exarg_T *eap;
7613 {
7614 eap->errmsg = e_nogvim;
7615 }
7616 #endif
7617
7618 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7619 static void
7620 ex_tearoff(eap)
7621 exarg_T *eap;
7622 {
7623 gui_make_tearoff(eap->arg);
7624 }
7625 #endif
7626
7627 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7628 || defined(FEAT_GUI_MACVIM))
7629 static void
7630 ex_popup(eap)
7631 exarg_T *eap;
7632 {
7633 gui_make_popup(eap->arg, eap->forceit);
7634 }
7635 #endif
7636
7637 /*ARGSUSED*/
7638 static void
7639 ex_swapname(eap)
7640 exarg_T *eap;
7641 {
7642 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7643 MSG(_("No swap file"));
7644 else
7645 msg(curbuf->b_ml.ml_mfp->mf_fname);
7646 }
7647
7648 /*
7649 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7650 * offset.
7651 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7652 */
7653 /*ARGSUSED*/
7654 static void
7655 ex_syncbind(eap)
7656 exarg_T *eap;
7657 {
7658 #ifdef FEAT_SCROLLBIND
7659 win_T *wp;
7660 long topline;
7661 long y;
7662 linenr_T old_linenr = curwin->w_cursor.lnum;
7663
7664 setpcmark();
7665
7666 /*
7667 * determine max topline
7668 */
7669 if (curwin->w_p_scb)
7670 {
7671 topline = curwin->w_topline;
7672 for (wp = firstwin; wp; wp = wp->w_next)
7673 {
7674 if (wp->w_p_scb && wp->w_buffer)
7675 {
7676 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7677 if (topline > y)
7678 topline = y;
7679 }
7680 }
7681 if (topline < 1)
7682 topline = 1;
7683 }
7684 else
7685 {
7686 topline = 1;
7687 }
7688
7689
7690 /*
7691 * set all scrollbind windows to the same topline
7692 */
7693 wp = curwin;
7694 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7695 {
7696 if (curwin->w_p_scb)
7697 {
7698 y = topline - curwin->w_topline;
7699 if (y > 0)
7700 scrollup(y, TRUE);
7701 else
7702 scrolldown(-y, TRUE);
7703 curwin->w_scbind_pos = topline;
7704 redraw_later(VALID);
7705 cursor_correct();
7706 #ifdef FEAT_WINDOWS
7707 curwin->w_redr_status = TRUE;
7708 #endif
7709 }
7710 }
7711 curwin = wp;
7712 if (curwin->w_p_scb)
7713 {
7714 did_syncbind = TRUE;
7715 checkpcmark();
7716 if (old_linenr != curwin->w_cursor.lnum)
7717 {
7718 char_u ctrl_o[2];
7719
7720 ctrl_o[0] = Ctrl_O;
7721 ctrl_o[1] = 0;
7722 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7723 }
7724 }
7725 #endif
7726 }
7727
7728
7729 static void
7730 ex_read(eap)
7731 exarg_T *eap;
7732 {
7733 int i;
7734 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7735 linenr_T lnum;
7736
7737 if (eap->usefilter) /* :r!cmd */
7738 do_bang(1, eap, FALSE, FALSE, TRUE);
7739 else
7740 {
7741 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7742 return;
7743
7744 #ifdef FEAT_BROWSE
7745 if (cmdmod.browse)
7746 {
7747 char_u *browseFile;
7748
7749 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7750 NULL, NULL, NULL, curbuf);
7751 if (browseFile != NULL)
7752 {
7753 i = readfile(browseFile, NULL,
7754 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7755 vim_free(browseFile);
7756 }
7757 else
7758 i = OK;
7759 }
7760 else
7761 #endif
7762 if (*eap->arg == NUL)
7763 {
7764 if (check_fname() == FAIL) /* check for no file name */
7765 return;
7766 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7767 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7768 }
7769 else
7770 {
7771 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7772 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7773 i = readfile(eap->arg, NULL,
7774 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7775
7776 }
7777 if (i == FAIL)
7778 {
7779 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7780 if (!aborting())
7781 #endif
7782 EMSG2(_(e_notopen), eap->arg);
7783 }
7784 else
7785 {
7786 if (empty && exmode_active)
7787 {
7788 /* Delete the empty line that remains. Historically ex does
7789 * this but vi doesn't. */
7790 if (eap->line2 == 0)
7791 lnum = curbuf->b_ml.ml_line_count;
7792 else
7793 lnum = 1;
7794 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7795 {
7796 ml_delete(lnum, FALSE);
7797 deleted_lines_mark(lnum, 1L);
7798 if (curwin->w_cursor.lnum > 1
7799 && curwin->w_cursor.lnum >= lnum)
7800 --curwin->w_cursor.lnum;
7801 }
7802 }
7803 redraw_curbuf_later(VALID);
7804 }
7805 }
7806 }
7807
7808 static char_u *prev_dir = NULL;
7809
7810 #if defined(EXITFREE) || defined(PROTO)
7811 void
7812 free_cd_dir()
7813 {
7814 vim_free(prev_dir);
7815 prev_dir = NULL;
7816 }
7817 #endif
7818
7819
7820 /*
7821 * ":cd", ":lcd", ":chdir" and ":lchdir".
7822 */
7823 void
7824 ex_cd(eap)
7825 exarg_T *eap;
7826 {
7827 char_u *new_dir;
7828 char_u *tofree;
7829
7830 new_dir = eap->arg;
7831 #if !defined(UNIX) && !defined(VMS)
7832 /* for non-UNIX ":cd" means: print current directory */
7833 if (*new_dir == NUL)
7834 ex_pwd(NULL);
7835 else
7836 #endif
7837 {
7838 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7839 && !eap->forceit)
7840 {
7841 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7842 return;
7843 }
7844
7845 /* ":cd -": Change to previous directory */
7846 if (STRCMP(new_dir, "-") == 0)
7847 {
7848 if (prev_dir == NULL)
7849 {
7850 EMSG(_("E186: No previous directory"));
7851 return;
7852 }
7853 new_dir = prev_dir;
7854 }
7855
7856 /* Save current directory for next ":cd -" */
7857 tofree = prev_dir;
7858 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7859 prev_dir = vim_strsave(NameBuff);
7860 else
7861 prev_dir = NULL;
7862
7863 #if defined(UNIX) || defined(VMS)
7864 /* for UNIX ":cd" means: go to home directory */
7865 if (*new_dir == NUL)
7866 {
7867 /* use NameBuff for home directory name */
7868 # ifdef VMS
7869 char_u *p;
7870
7871 p = mch_getenv((char_u *)"SYS$LOGIN");
7872 if (p == NULL || *p == NUL) /* empty is the same as not set */
7873 NameBuff[0] = NUL;
7874 else
7875 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7876 # else
7877 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7878 # endif
7879 new_dir = NameBuff;
7880 }
7881 #endif
7882 if (new_dir == NULL || vim_chdir(new_dir))
7883 EMSG(_(e_failed));
7884 else
7885 {
7886 vim_free(curwin->w_localdir);
7887 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7888 {
7889 /* If still in global directory, need to remember current
7890 * directory as global directory. */
7891 if (globaldir == NULL && prev_dir != NULL)
7892 globaldir = vim_strsave(prev_dir);
7893 /* Remember this local directory for the window. */
7894 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7895 curwin->w_localdir = vim_strsave(NameBuff);
7896 }
7897 else
7898 {
7899 /* We are now in the global directory, no need to remember its
7900 * name. */
7901 vim_free(globaldir);
7902 globaldir = NULL;
7903 curwin->w_localdir = NULL;
7904 }
7905
7906 shorten_fnames(TRUE);
7907
7908 /* Echo the new current directory if the command was typed. */
7909 if (KeyTyped)
7910 ex_pwd(eap);
7911 }
7912 vim_free(tofree);
7913 }
7914 }
7915
7916 /*
7917 * ":pwd".
7918 */
7919 /*ARGSUSED*/
7920 static void
7921 ex_pwd(eap)
7922 exarg_T *eap;
7923 {
7924 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7925 {
7926 #ifdef BACKSLASH_IN_FILENAME
7927 slash_adjust(NameBuff);
7928 #endif
7929 msg(NameBuff);
7930 }
7931 else
7932 EMSG(_("E187: Unknown"));
7933 }
7934
7935 /*
7936 * ":=".
7937 */
7938 static void
7939 ex_equal(eap)
7940 exarg_T *eap;
7941 {
7942 smsg((char_u *)"%ld", (long)eap->line2);
7943 ex_may_print(eap);
7944 }
7945
7946 static void
7947 ex_sleep(eap)
7948 exarg_T *eap;
7949 {
7950 int n;
7951 long len;
7952
7953 if (cursor_valid())
7954 {
7955 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7956 if (n >= 0)
7957 windgoto((int)n, curwin->w_wcol);
7958 }
7959
7960 len = eap->line2;
7961 switch (*eap->arg)
7962 {
7963 case 'm': break;
7964 case NUL: len *= 1000L; break;
7965 default: EMSG2(_(e_invarg2), eap->arg); return;
7966 }
7967 do_sleep(len);
7968 }
7969
7970 /*
7971 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7972 */
7973 void
7974 do_sleep(msec)
7975 long msec;
7976 {
7977 long done;
7978
7979 cursor_on();
7980 out_flush();
7981 for (done = 0; !got_int && done < msec; done += 1000L)
7982 {
7983 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7984 ui_breakcheck();
7985 }
7986 }
7987
7988 static void
7989 do_exmap(eap, isabbrev)
7990 exarg_T *eap;
7991 int isabbrev;
7992 {
7993 int mode;
7994 char_u *cmdp;
7995
7996 cmdp = eap->cmd;
7997 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7998
7999 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8000 eap->arg, mode, isabbrev))
8001 {
8002 case 1: EMSG(_(e_invarg));
8003 break;
8004 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8005 break;
8006 }
8007 }
8008
8009 /*
8010 * ":winsize" command (obsolete).
8011 */
8012 static void
8013 ex_winsize(eap)
8014 exarg_T *eap;
8015 {
8016 int w, h;
8017 char_u *arg = eap->arg;
8018 char_u *p;
8019
8020 w = getdigits(&arg);
8021 arg = skipwhite(arg);
8022 p = arg;
8023 h = getdigits(&arg);
8024 if (*p != NUL && *arg == NUL)
8025 set_shellsize(w, h, TRUE);
8026 else
8027 EMSG(_("E465: :winsize requires two number arguments"));
8028 }
8029
8030 #ifdef FEAT_WINDOWS
8031 static void
8032 ex_wincmd(eap)
8033 exarg_T *eap;
8034 {
8035 int xchar = NUL;
8036 char_u *p;
8037
8038 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8039 {
8040 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8041 if (eap->arg[1] == NUL)
8042 {
8043 EMSG(_(e_invarg));
8044 return;
8045 }
8046 xchar = eap->arg[1];
8047 p = eap->arg + 2;
8048 }
8049 else
8050 p = eap->arg + 1;
8051
8052 eap->nextcmd = check_nextcmd(p);
8053 p = skipwhite(p);
8054 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8055 EMSG(_(e_invarg));
8056 else
8057 {
8058 /* Pass flags on for ":vertical wincmd ]". */
8059 postponed_split_flags = cmdmod.split;
8060 postponed_split_tab = cmdmod.tab;
8061 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8062 postponed_split_flags = 0;
8063 postponed_split_tab = 0;
8064 }
8065 }
8066 #endif
8067
8068 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8069 /*
8070 * ":winpos".
8071 */
8072 static void
8073 ex_winpos(eap)
8074 exarg_T *eap;
8075 {
8076 int x, y;
8077 char_u *arg = eap->arg;
8078 char_u *p;
8079
8080 if (*arg == NUL)
8081 {
8082 # if defined(FEAT_GUI) || defined(MSWIN)
8083 # ifdef FEAT_GUI
8084 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8085 # else
8086 if (mch_get_winpos(&x, &y) != FAIL)
8087 # endif
8088 {
8089 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8090 msg(IObuff);
8091 }
8092 else
8093 # endif
8094 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8095 }
8096 else
8097 {
8098 x = getdigits(&arg);
8099 arg = skipwhite(arg);
8100 p = arg;
8101 y = getdigits(&arg);
8102 if (*p == NUL || *arg != NUL)
8103 {
8104 EMSG(_("E466: :winpos requires two number arguments"));
8105 return;
8106 }
8107 # ifdef FEAT_GUI
8108 if (gui.in_use)
8109 gui_mch_set_winpos(x, y);
8110 else if (gui.starting)
8111 {
8112 /* Remember the coordinates for when the window is opened. */
8113 gui_win_x = x;
8114 gui_win_y = y;
8115 }
8116 # ifdef HAVE_TGETENT
8117 else
8118 # endif
8119 # else
8120 # ifdef MSWIN
8121 mch_set_winpos(x, y);
8122 # endif
8123 # endif
8124 # ifdef HAVE_TGETENT
8125 if (*T_CWP)
8126 term_set_winpos(x, y);
8127 # endif
8128 }
8129 }
8130 #endif
8131
8132 /*
8133 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8134 */
8135 static void
8136 ex_operators(eap)
8137 exarg_T *eap;
8138 {
8139 oparg_T oa;
8140
8141 clear_oparg(&oa);
8142 oa.regname = eap->regname;
8143 oa.start.lnum = eap->line1;
8144 oa.end.lnum = eap->line2;
8145 oa.line_count = eap->line2 - eap->line1 + 1;
8146 oa.motion_type = MLINE;
8147 #ifdef FEAT_VIRTUALEDIT
8148 virtual_op = FALSE;
8149 #endif
8150 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8151 {
8152 setpcmark();
8153 curwin->w_cursor.lnum = eap->line1;
8154 beginline(BL_SOL | BL_FIX);
8155 }
8156
8157 switch (eap->cmdidx)
8158 {
8159 case CMD_delete:
8160 oa.op_type = OP_DELETE;
8161 op_delete(&oa);
8162 break;
8163
8164 case CMD_yank:
8165 oa.op_type = OP_YANK;
8166 (void)op_yank(&oa, FALSE, TRUE);
8167 break;
8168
8169 default: /* CMD_rshift or CMD_lshift */
8170 if ((eap->cmdidx == CMD_rshift)
8171 #ifdef FEAT_RIGHTLEFT
8172 ^ curwin->w_p_rl
8173 #endif
8174 )
8175 oa.op_type = OP_RSHIFT;
8176 else
8177 oa.op_type = OP_LSHIFT;
8178 op_shift(&oa, FALSE, eap->amount);
8179 break;
8180 }
8181 #ifdef FEAT_VIRTUALEDIT
8182 virtual_op = MAYBE;
8183 #endif
8184 ex_may_print(eap);
8185 }
8186
8187 /*
8188 * ":put".
8189 */
8190 static void
8191 ex_put(eap)
8192 exarg_T *eap;
8193 {
8194 /* ":0put" works like ":1put!". */
8195 if (eap->line2 == 0)
8196 {
8197 eap->line2 = 1;
8198 eap->forceit = TRUE;
8199 }
8200 curwin->w_cursor.lnum = eap->line2;
8201 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8202 PUT_LINE|PUT_CURSLINE);
8203 }
8204
8205 /*
8206 * Handle ":copy" and ":move".
8207 */
8208 static void
8209 ex_copymove(eap)
8210 exarg_T *eap;
8211 {
8212 long n;
8213
8214 n = get_address(&eap->arg, FALSE, FALSE);
8215 if (eap->arg == NULL) /* error detected */
8216 {
8217 eap->nextcmd = NULL;
8218 return;
8219 }
8220 get_flags(eap);
8221
8222 /*
8223 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8224 */
8225 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8226 {
8227 EMSG(_(e_invaddr));
8228 return;
8229 }
8230
8231 if (eap->cmdidx == CMD_move)
8232 {
8233 if (do_move(eap->line1, eap->line2, n) == FAIL)
8234 return;
8235 }
8236 else
8237 ex_copy(eap->line1, eap->line2, n);
8238 u_clearline();
8239 beginline(BL_SOL | BL_FIX);
8240 ex_may_print(eap);
8241 }
8242
8243 /*
8244 * Print the current line if flags were given to the Ex command.
8245 */
8246 static void
8247 ex_may_print(eap)
8248 exarg_T *eap;
8249 {
8250 if (eap->flags != 0)
8251 {
8252 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8253 (eap->flags & EXFLAG_LIST));
8254 ex_no_reprint = TRUE;
8255 }
8256 }
8257
8258 /*
8259 * ":smagic" and ":snomagic".
8260 */
8261 static void
8262 ex_submagic(eap)
8263 exarg_T *eap;
8264 {
8265 int magic_save = p_magic;
8266
8267 p_magic = (eap->cmdidx == CMD_smagic);
8268 do_sub(eap);
8269 p_magic = magic_save;
8270 }
8271
8272 /*
8273 * ":join".
8274 */
8275 static void
8276 ex_join(eap)
8277 exarg_T *eap;
8278 {
8279 curwin->w_cursor.lnum = eap->line1;
8280 if (eap->line1 == eap->line2)
8281 {
8282 if (eap->addr_count >= 2) /* :2,2join does nothing */
8283 return;
8284 if (eap->line2 == curbuf->b_ml.ml_line_count)
8285 {
8286 beep_flush();
8287 return;
8288 }
8289 ++eap->line2;
8290 }
8291 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8292 beginline(BL_WHITE | BL_FIX);
8293 ex_may_print(eap);
8294 }
8295
8296 /*
8297 * ":[addr]@r" or ":[addr]*r": execute register
8298 */
8299 static void
8300 ex_at(eap)
8301 exarg_T *eap;
8302 {
8303 int c;
8304
8305 curwin->w_cursor.lnum = eap->line2;
8306
8307 #ifdef USE_ON_FLY_SCROLL
8308 dont_scroll = TRUE; /* disallow scrolling here */
8309 #endif
8310
8311 /* get the register name. No name means to use the previous one */
8312 c = *eap->arg;
8313 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8314 c = '@';
8315 /* Put the register in the typeahead buffer with the "silent" flag. */
8316 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8317 == FAIL)
8318 {
8319 beep_flush();
8320 }
8321 else
8322 {
8323 int save_efr = exec_from_reg;
8324
8325 exec_from_reg = TRUE;
8326
8327 /*
8328 * Execute from the typeahead buffer.
8329 * Originally this didn't check for the typeahead buffer to be empty,
8330 * thus could read more Ex commands from stdin. It's not clear why,
8331 * it is certainly unexpected.
8332 */
8333 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8334 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8335
8336 exec_from_reg = save_efr;
8337 }
8338 }
8339
8340 /*
8341 * ":!".
8342 */
8343 static void
8344 ex_bang(eap)
8345 exarg_T *eap;
8346 {
8347 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8348 }
8349
8350 /*
8351 * ":undo".
8352 */
8353 /*ARGSUSED*/
8354 static void
8355 ex_undo(eap)
8356 exarg_T *eap;
8357 {
8358 if (eap->addr_count == 1) /* :undo 123 */
8359 undo_time(eap->line2, FALSE, TRUE);
8360 else
8361 u_undo(1);
8362 }
8363
8364 /*
8365 * ":redo".
8366 */
8367 /*ARGSUSED*/
8368 static void
8369 ex_redo(eap)
8370 exarg_T *eap;
8371 {
8372 u_redo(1);
8373 }
8374
8375 /*
8376 * ":earlier" and ":later".
8377 */
8378 /*ARGSUSED*/
8379 static void
8380 ex_later(eap)
8381 exarg_T *eap;
8382 {
8383 long count = 0;
8384 int sec = FALSE;
8385 char_u *p = eap->arg;
8386
8387 if (*p == NUL)
8388 count = 1;
8389 else if (isdigit(*p))
8390 {
8391 count = getdigits(&p);
8392 switch (*p)
8393 {
8394 case 's': ++p; sec = TRUE; break;
8395 case 'm': ++p; sec = TRUE; count *= 60; break;
8396 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8397 }
8398 }
8399
8400 if (*p != NUL)
8401 EMSG2(_(e_invarg2), eap->arg);
8402 else
8403 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8404 }
8405
8406 /*
8407 * ":redir": start/stop redirection.
8408 */
8409 static void
8410 ex_redir(eap)
8411 exarg_T *eap;
8412 {
8413 char *mode;
8414 char_u *fname;
8415 char_u *arg = eap->arg;
8416
8417 if (STRICMP(eap->arg, "END") == 0)
8418 close_redir();
8419 else
8420 {
8421 if (*arg == '>')
8422 {
8423 ++arg;
8424 if (*arg == '>')
8425 {
8426 ++arg;
8427 mode = "a";
8428 }
8429 else
8430 mode = "w";
8431 arg = skipwhite(arg);
8432
8433 close_redir();
8434
8435 /* Expand environment variables and "~/". */
8436 fname = expand_env_save(arg);
8437 if (fname == NULL)
8438 return;
8439 #ifdef FEAT_BROWSE
8440 if (cmdmod.browse)
8441 {
8442 char_u *browseFile;
8443
8444 browseFile = do_browse(BROWSE_SAVE,
8445 (char_u *)_("Save Redirection"),
8446 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8447 if (browseFile == NULL)
8448 return; /* operation cancelled */
8449 vim_free(fname);
8450 fname = browseFile;
8451 eap->forceit = TRUE; /* since dialog already asked */
8452 }
8453 #endif
8454
8455 redir_fd = open_exfile(fname, eap->forceit, mode);
8456 vim_free(fname);
8457 }
8458 #ifdef FEAT_EVAL
8459 else if (*arg == '@')
8460 {
8461 /* redirect to a register a-z (resp. A-Z for appending) */
8462 close_redir();
8463 ++arg;
8464 if (ASCII_ISALPHA(*arg)
8465 # ifdef FEAT_CLIPBOARD
8466 || *arg == '*'
8467 || *arg == '+'
8468 # endif
8469 || *arg == '"')
8470 {
8471 redir_reg = *arg++;
8472 if (*arg == '>' && arg[1] == '>') /* append */
8473 arg += 2;
8474 else
8475 {
8476 /* Can use both "@a" and "@a>". */
8477 if (*arg == '>')
8478 arg++;
8479 /* Make register empty when not using @A-@Z and the
8480 * command is valid. */
8481 if (*arg == NUL && !isupper(redir_reg))
8482 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8483 }
8484 }
8485 if (*arg != NUL)
8486 {
8487 redir_reg = 0;
8488 EMSG2(_(e_invarg2), eap->arg);
8489 }
8490 }
8491 else if (*arg == '=' && arg[1] == '>')
8492 {
8493 int append;
8494
8495 /* redirect to a variable */
8496 close_redir();
8497 arg += 2;
8498
8499 if (*arg == '>')
8500 {
8501 ++arg;
8502 append = TRUE;
8503 }
8504 else
8505 append = FALSE;
8506
8507 if (var_redir_start(skipwhite(arg), append) == OK)
8508 redir_vname = 1;
8509 }
8510 #endif
8511
8512 /* TODO: redirect to a buffer */
8513
8514 else
8515 EMSG2(_(e_invarg2), eap->arg);
8516 }
8517
8518 /* Make sure redirection is not off. Can happen for cmdline completion
8519 * that indirectly invokes a command to catch its output. */
8520 if (redir_fd != NULL
8521 #ifdef FEAT_EVAL
8522 || redir_reg || redir_vname
8523 #endif
8524 )
8525 redir_off = FALSE;
8526 }
8527
8528 /*
8529 * ":redraw": force redraw
8530 */
8531 static void
8532 ex_redraw(eap)
8533 exarg_T *eap;
8534 {
8535 int r = RedrawingDisabled;
8536 int p = p_lz;
8537
8538 RedrawingDisabled = 0;
8539 p_lz = FALSE;
8540 update_topline();
8541 update_screen(eap->forceit ? CLEAR :
8542 #ifdef FEAT_VISUAL
8543 VIsual_active ? INVERTED :
8544 #endif
8545 0);
8546 #ifdef FEAT_TITLE
8547 if (need_maketitle)
8548 maketitle();
8549 #endif
8550 RedrawingDisabled = r;
8551 p_lz = p;
8552
8553 /* Reset msg_didout, so that a message that's there is overwritten. */
8554 msg_didout = FALSE;
8555 msg_col = 0;
8556
8557 out_flush();
8558 }
8559
8560 /*
8561 * ":redrawstatus": force redraw of status line(s)
8562 */
8563 /*ARGSUSED*/
8564 static void
8565 ex_redrawstatus(eap)
8566 exarg_T *eap;
8567 {
8568 #if defined(FEAT_WINDOWS)
8569 int r = RedrawingDisabled;
8570 int p = p_lz;
8571
8572 RedrawingDisabled = 0;
8573 p_lz = FALSE;
8574 if (eap->forceit)
8575 status_redraw_all();
8576 else
8577 status_redraw_curbuf();
8578 update_screen(
8579 # ifdef FEAT_VISUAL
8580 VIsual_active ? INVERTED :
8581 # endif
8582 0);
8583 RedrawingDisabled = r;
8584 p_lz = p;
8585 out_flush();
8586 #endif
8587 }
8588
8589 static void
8590 close_redir()
8591 {
8592 if (redir_fd != NULL)
8593 {
8594 fclose(redir_fd);
8595 redir_fd = NULL;
8596 }
8597 #ifdef FEAT_EVAL
8598 redir_reg = 0;
8599 if (redir_vname)
8600 {
8601 var_redir_stop();
8602 redir_vname = 0;
8603 }
8604 #endif
8605 }
8606
8607 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8608 # define MKSESSION_NL
8609 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8610 #endif
8611
8612 /*
8613 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8614 */
8615 static void
8616 ex_mkrc(eap)
8617 exarg_T *eap;
8618 {
8619 FILE *fd;
8620 int failed = FALSE;
8621 char_u *fname;
8622 #ifdef FEAT_BROWSE
8623 char_u *browseFile = NULL;
8624 #endif
8625 #ifdef FEAT_SESSION
8626 int view_session = FALSE;
8627 int using_vdir = FALSE; /* using 'viewdir'? */
8628 char_u *viewFile = NULL;
8629 unsigned *flagp;
8630 #endif
8631
8632 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8633 {
8634 #ifdef FEAT_SESSION
8635 view_session = TRUE;
8636 #else
8637 ex_ni(eap);
8638 return;
8639 #endif
8640 }
8641
8642 #ifdef FEAT_SESSION
8643 did_lcd = FALSE;
8644
8645 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8646 if (eap->cmdidx == CMD_mkview
8647 && (*eap->arg == NUL
8648 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8649 {
8650 eap->forceit = TRUE;
8651 fname = get_view_file(*eap->arg);
8652 if (fname == NULL)
8653 return;
8654 viewFile = fname;
8655 using_vdir = TRUE;
8656 }
8657 else
8658 #endif
8659 if (*eap->arg != NUL)
8660 fname = eap->arg;
8661 else if (eap->cmdidx == CMD_mkvimrc)
8662 fname = (char_u *)VIMRC_FILE;
8663 #ifdef FEAT_SESSION
8664 else if (eap->cmdidx == CMD_mksession)
8665 fname = (char_u *)SESSION_FILE;
8666 #endif
8667 else
8668 fname = (char_u *)EXRC_FILE;
8669
8670 #ifdef FEAT_BROWSE
8671 if (cmdmod.browse)
8672 {
8673 browseFile = do_browse(BROWSE_SAVE,
8674 # ifdef FEAT_SESSION
8675 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8676 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8677 # endif
8678 (char_u *)_("Save Setup"),
8679 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8680 if (browseFile == NULL)
8681 goto theend;
8682 fname = browseFile;
8683 eap->forceit = TRUE; /* since dialog already asked */
8684 }
8685 #endif
8686
8687 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8688 /* When using 'viewdir' may have to create the directory. */
8689 if (using_vdir && !mch_isdir(p_vdir))
8690 vim_mkdir_emsg(p_vdir, 0755);
8691 #endif
8692
8693 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8694 if (fd != NULL)
8695 {
8696 #ifdef FEAT_SESSION
8697 if (eap->cmdidx == CMD_mkview)
8698 flagp = &vop_flags;
8699 else
8700 flagp = &ssop_flags;
8701 #endif
8702
8703 #ifdef MKSESSION_NL
8704 /* "unix" in 'sessionoptions': use NL line separator */
8705 if (view_session && (*flagp & SSOP_UNIX))
8706 mksession_nl = TRUE;
8707 #endif
8708
8709 /* Write the version command for :mkvimrc */
8710 if (eap->cmdidx == CMD_mkvimrc)
8711 (void)put_line(fd, "version 6.0");
8712
8713 #ifdef FEAT_SESSION
8714 if (eap->cmdidx == CMD_mksession)
8715 {
8716 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8717 failed = TRUE;
8718 }
8719
8720 if (eap->cmdidx != CMD_mkview)
8721 #endif
8722 {
8723 /* Write setting 'compatible' first, because it has side effects.
8724 * For that same reason only do it when needed. */
8725 if (p_cp)
8726 (void)put_line(fd, "if !&cp | set cp | endif");
8727 else
8728 (void)put_line(fd, "if &cp | set nocp | endif");
8729 }
8730
8731 #ifdef FEAT_SESSION
8732 if (!view_session
8733 || (eap->cmdidx == CMD_mksession
8734 && (*flagp & SSOP_OPTIONS)))
8735 #endif
8736 failed |= (makemap(fd, NULL) == FAIL
8737 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8738
8739 #ifdef FEAT_SESSION
8740 if (!failed && view_session)
8741 {
8742 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8743 failed = TRUE;
8744 if (eap->cmdidx == CMD_mksession)
8745 {
8746 char_u dirnow[MAXPATHL]; /* current directory */
8747
8748 /*
8749 * Change to session file's dir.
8750 */
8751 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8752 || mch_chdir((char *)dirnow) != 0)
8753 *dirnow = NUL;
8754 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8755 {
8756 if (vim_chdirfile(fname) == OK)
8757 shorten_fnames(TRUE);
8758 }
8759 else if (*dirnow != NUL
8760 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8761 {
8762 (void)mch_chdir((char *)globaldir);
8763 shorten_fnames(TRUE);
8764 }
8765
8766 failed |= (makeopens(fd, dirnow) == FAIL);
8767
8768 /* restore original dir */
8769 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8770 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8771 {
8772 if (mch_chdir((char *)dirnow) != 0)
8773 EMSG(_(e_prev_dir));
8774 shorten_fnames(TRUE);
8775 }
8776 }
8777 else
8778 {
8779 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8780 -1) == FAIL);
8781 }
8782 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8783 == FAIL)
8784 failed = TRUE;
8785 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8786 failed = TRUE;
8787 if (eap->cmdidx == CMD_mksession)
8788 {
8789 if (put_line(fd, "unlet SessionLoad") == FAIL)
8790 failed = TRUE;
8791 }
8792 }
8793 #endif
8794 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8795 failed = TRUE;
8796
8797 failed |= fclose(fd);
8798
8799 if (failed)
8800 EMSG(_(e_write));
8801 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8802 else if (eap->cmdidx == CMD_mksession)
8803 {
8804 /* successful session write - set this_session var */
8805 char_u tbuf[MAXPATHL];
8806
8807 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8808 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8809 }
8810 #endif
8811 #ifdef MKSESSION_NL
8812 mksession_nl = FALSE;
8813 #endif
8814 }
8815
8816 #ifdef FEAT_BROWSE
8817 theend:
8818 vim_free(browseFile);
8819 #endif
8820 #ifdef FEAT_SESSION
8821 vim_free(viewFile);
8822 #endif
8823 }
8824
8825 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8826 || defined(PROTO)
8827 /*ARGSUSED*/
8828 int
8829 vim_mkdir_emsg(name, prot)
8830 char_u *name;
8831 int prot;
8832 {
8833 if (vim_mkdir(name, prot) != 0)
8834 {
8835 EMSG2(_("E739: Cannot create directory: %s"), name);
8836 return FAIL;
8837 }
8838 return OK;
8839 }
8840 #endif
8841
8842 /*
8843 * Open a file for writing for an Ex command, with some checks.
8844 * Return file descriptor, or NULL on failure.
8845 */
8846 FILE *
8847 open_exfile(fname, forceit, mode)
8848 char_u *fname;
8849 int forceit;
8850 char *mode; /* "w" for create new file or "a" for append */
8851 {
8852 FILE *fd;
8853
8854 #ifdef UNIX
8855 /* with Unix it is possible to open a directory */
8856 if (mch_isdir(fname))
8857 {
8858 EMSG2(_(e_isadir2), fname);
8859 return NULL;
8860 }
8861 #endif
8862 if (!forceit && *mode != 'a' && vim_fexists(fname))
8863 {
8864 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8865 return NULL;
8866 }
8867
8868 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8869 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8870
8871 return fd;
8872 }
8873
8874 /*
8875 * ":mark" and ":k".
8876 */
8877 static void
8878 ex_mark(eap)
8879 exarg_T *eap;
8880 {
8881 pos_T pos;
8882
8883 if (*eap->arg == NUL) /* No argument? */
8884 EMSG(_(e_argreq));
8885 else if (eap->arg[1] != NUL) /* more than one character? */
8886 EMSG(_(e_trailing));
8887 else
8888 {
8889 pos = curwin->w_cursor; /* save curwin->w_cursor */
8890 curwin->w_cursor.lnum = eap->line2;
8891 beginline(BL_WHITE | BL_FIX);
8892 if (setmark(*eap->arg) == FAIL) /* set mark */
8893 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8894 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8895 }
8896 }
8897
8898 /*
8899 * Update w_topline, w_leftcol and the cursor position.
8900 */
8901 void
8902 update_topline_cursor()
8903 {
8904 check_cursor(); /* put cursor on valid line */
8905 update_topline();
8906 if (!curwin->w_p_wrap)
8907 validate_cursor();
8908 update_curswant();
8909 }
8910
8911 #ifdef FEAT_EX_EXTRA
8912 /*
8913 * ":normal[!] {commands}": Execute normal mode commands.
8914 */
8915 static void
8916 ex_normal(eap)
8917 exarg_T *eap;
8918 {
8919 int save_msg_scroll = msg_scroll;
8920 int save_restart_edit = restart_edit;
8921 int save_msg_didout = msg_didout;
8922 int save_State = State;
8923 tasave_T tabuf;
8924 int save_insertmode = p_im;
8925 int save_finish_op = finish_op;
8926 #ifdef FEAT_MBYTE
8927 char_u *arg = NULL;
8928 int l;
8929 char_u *p;
8930 #endif
8931
8932 if (ex_normal_lock > 0)
8933 {
8934 EMSG(_(e_secure));
8935 return;
8936 }
8937 if (ex_normal_busy >= p_mmd)
8938 {
8939 EMSG(_("E192: Recursive use of :normal too deep"));
8940 return;
8941 }
8942 ++ex_normal_busy;
8943
8944 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8945 restart_edit = 0; /* don't go to Insert mode */
8946 p_im = FALSE; /* don't use 'insertmode' */
8947
8948 #ifdef FEAT_MBYTE
8949 /*
8950 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8951 * this for the K_SPECIAL leading byte, otherwise special keys will not
8952 * work.
8953 */
8954 if (has_mbyte)
8955 {
8956 int len = 0;
8957
8958 /* Count the number of characters to be escaped. */
8959 for (p = eap->arg; *p != NUL; ++p)
8960 {
8961 # ifdef FEAT_GUI
8962 if (*p == CSI) /* leadbyte CSI */
8963 len += 2;
8964 # endif
8965 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8966 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8967 # ifdef FEAT_GUI
8968 || *p == CSI
8969 # endif
8970 )
8971 len += 2;
8972 }
8973 if (len > 0)
8974 {
8975 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8976 if (arg != NULL)
8977 {
8978 len = 0;
8979 for (p = eap->arg; *p != NUL; ++p)
8980 {
8981 arg[len++] = *p;
8982 # ifdef FEAT_GUI
8983 if (*p == CSI)
8984 {
8985 arg[len++] = KS_EXTRA;
8986 arg[len++] = (int)KE_CSI;
8987 }
8988 # endif
8989 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8990 {
8991 arg[len++] = *++p;
8992 if (*p == K_SPECIAL)
8993 {
8994 arg[len++] = KS_SPECIAL;
8995 arg[len++] = KE_FILLER;
8996 }
8997 # ifdef FEAT_GUI
8998 else if (*p == CSI)
8999 {
9000 arg[len++] = KS_EXTRA;
9001 arg[len++] = (int)KE_CSI;
9002 }
9003 # endif
9004 }
9005 arg[len] = NUL;
9006 }
9007 }
9008 }
9009 }
9010 #endif
9011
9012 /*
9013 * Save the current typeahead. This is required to allow using ":normal"
9014 * from an event handler and makes sure we don't hang when the argument
9015 * ends with half a command.
9016 */
9017 save_typeahead(&tabuf);
9018 if (tabuf.typebuf_valid)
9019 {
9020 /*
9021 * Repeat the :normal command for each line in the range. When no
9022 * range given, execute it just once, without positioning the cursor
9023 * first.
9024 */
9025 do
9026 {
9027 if (eap->addr_count != 0)
9028 {
9029 curwin->w_cursor.lnum = eap->line1++;
9030 curwin->w_cursor.col = 0;
9031 }
9032
9033 exec_normal_cmd(
9034 #ifdef FEAT_MBYTE
9035 arg != NULL ? arg :
9036 #endif
9037 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9038 }
9039 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9040 }
9041
9042 /* Might not return to the main loop when in an event handler. */
9043 update_topline_cursor();
9044
9045 /* Restore the previous typeahead. */
9046 restore_typeahead(&tabuf);
9047
9048 --ex_normal_busy;
9049 msg_scroll = save_msg_scroll;
9050 restart_edit = save_restart_edit;
9051 p_im = save_insertmode;
9052 finish_op = save_finish_op;
9053 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9054
9055 /* Restore the state (needed when called from a function executed for
9056 * 'indentexpr'). */
9057 State = save_State;
9058 #ifdef FEAT_MBYTE
9059 vim_free(arg);
9060 #endif
9061 }
9062
9063 /*
9064 * ":startinsert", ":startreplace" and ":startgreplace"
9065 */
9066 static void
9067 ex_startinsert(eap)
9068 exarg_T *eap;
9069 {
9070 if (eap->forceit)
9071 {
9072 coladvance((colnr_T)MAXCOL);
9073 curwin->w_curswant = MAXCOL;
9074 curwin->w_set_curswant = FALSE;
9075 }
9076
9077 /* Ignore the command when already in Insert mode. Inserting an
9078 * expression register that invokes a function can do this. */
9079 if (State & INSERT)
9080 return;
9081
9082 if (eap->cmdidx == CMD_startinsert)
9083 restart_edit = 'a';
9084 else if (eap->cmdidx == CMD_startreplace)
9085 restart_edit = 'R';
9086 else
9087 restart_edit = 'V';
9088
9089 if (!eap->forceit)
9090 {
9091 if (eap->cmdidx == CMD_startinsert)
9092 restart_edit = 'i';
9093 curwin->w_curswant = 0; /* avoid MAXCOL */
9094 }
9095 }
9096
9097 /*
9098 * ":stopinsert"
9099 */
9100 /*ARGSUSED*/
9101 static void
9102 ex_stopinsert(eap)
9103 exarg_T *eap;
9104 {
9105 restart_edit = 0;
9106 stop_insert_mode = TRUE;
9107 }
9108 #endif
9109
9110 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9111 /*
9112 * Execute normal mode command "cmd".
9113 * "remap" can be REMAP_NONE or REMAP_YES.
9114 */
9115 void
9116 exec_normal_cmd(cmd, remap, silent)
9117 char_u *cmd;
9118 int remap;
9119 int silent;
9120 {
9121 oparg_T oa;
9122
9123 /*
9124 * Stuff the argument into the typeahead buffer.
9125 * Execute normal_cmd() until there is no typeahead left.
9126 */
9127 clear_oparg(&oa);
9128 finish_op = FALSE;
9129 ins_typebuf(cmd, remap, 0, TRUE, silent);
9130 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9131 && !got_int)
9132 {
9133 update_topline_cursor();
9134 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9135 }
9136 }
9137 #endif
9138
9139 #ifdef FEAT_FIND_ID
9140 static void
9141 ex_checkpath(eap)
9142 exarg_T *eap;
9143 {
9144 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9145 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9146 (linenr_T)1, (linenr_T)MAXLNUM);
9147 }
9148
9149 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9150 /*
9151 * ":psearch"
9152 */
9153 static void
9154 ex_psearch(eap)
9155 exarg_T *eap;
9156 {
9157 g_do_tagpreview = p_pvh;
9158 ex_findpat(eap);
9159 g_do_tagpreview = 0;
9160 }
9161 #endif
9162
9163 static void
9164 ex_findpat(eap)
9165 exarg_T *eap;
9166 {
9167 int whole = TRUE;
9168 long n;
9169 char_u *p;
9170 int action;
9171
9172 switch (cmdnames[eap->cmdidx].cmd_name[2])
9173 {
9174 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9175 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9176 action = ACTION_GOTO;
9177 else
9178 action = ACTION_SHOW;
9179 break;
9180 case 'i': /* ":ilist" and ":dlist" */
9181 action = ACTION_SHOW_ALL;
9182 break;
9183 case 'u': /* ":ijump" and ":djump" */
9184 action = ACTION_GOTO;
9185 break;
9186 default: /* ":isplit" and ":dsplit" */
9187 action = ACTION_SPLIT;
9188 break;
9189 }
9190
9191 n = 1;
9192 if (vim_isdigit(*eap->arg)) /* get count */
9193 {
9194 n = getdigits(&eap->arg);
9195 eap->arg = skipwhite(eap->arg);
9196 }
9197 if (*eap->arg == '/') /* Match regexp, not just whole words */
9198 {
9199 whole = FALSE;
9200 ++eap->arg;
9201 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9202 if (*p)
9203 {
9204 *p++ = NUL;
9205 p = skipwhite(p);
9206
9207 /* Check for trailing illegal characters */
9208 if (!ends_excmd(*p))
9209 eap->errmsg = e_trailing;
9210 else
9211 eap->nextcmd = check_nextcmd(p);
9212 }
9213 }
9214 if (!eap->skip)
9215 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9216 whole, !eap->forceit,
9217 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9218 n, action, eap->line1, eap->line2);
9219 }
9220 #endif
9221
9222 #ifdef FEAT_WINDOWS
9223
9224 # ifdef FEAT_QUICKFIX
9225 /*
9226 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9227 */
9228 static void
9229 ex_ptag(eap)
9230 exarg_T *eap;
9231 {
9232 g_do_tagpreview = p_pvh;
9233 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9234 }
9235
9236 /*
9237 * ":pedit"
9238 */
9239 static void
9240 ex_pedit(eap)
9241 exarg_T *eap;
9242 {
9243 win_T *curwin_save = curwin;
9244
9245 g_do_tagpreview = p_pvh;
9246 prepare_tagpreview(TRUE);
9247 keep_help_flag = curwin_save->w_buffer->b_help;
9248 do_exedit(eap, NULL);
9249 keep_help_flag = FALSE;
9250 if (curwin != curwin_save && win_valid(curwin_save))
9251 {
9252 /* Return cursor to where we were */
9253 validate_cursor();
9254 redraw_later(VALID);
9255 win_enter(curwin_save, TRUE);
9256 }
9257 g_do_tagpreview = 0;
9258 }
9259 # endif
9260
9261 /*
9262 * ":stag", ":stselect" and ":stjump".
9263 */
9264 static void
9265 ex_stag(eap)
9266 exarg_T *eap;
9267 {
9268 postponed_split = -1;
9269 postponed_split_flags = cmdmod.split;
9270 postponed_split_tab = cmdmod.tab;
9271 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9272 postponed_split_flags = 0;
9273 postponed_split_tab = 0;
9274 }
9275 #endif
9276
9277 /*
9278 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9279 */
9280 static void
9281 ex_tag(eap)
9282 exarg_T *eap;
9283 {
9284 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9285 }
9286
9287 static void
9288 ex_tag_cmd(eap, name)
9289 exarg_T *eap;
9290 char_u *name;
9291 {
9292 int cmd;
9293
9294 switch (name[1])
9295 {
9296 case 'j': cmd = DT_JUMP; /* ":tjump" */
9297 break;
9298 case 's': cmd = DT_SELECT; /* ":tselect" */
9299 break;
9300 case 'p': cmd = DT_PREV; /* ":tprevious" */
9301 break;
9302 case 'N': cmd = DT_PREV; /* ":tNext" */
9303 break;
9304 case 'n': cmd = DT_NEXT; /* ":tnext" */
9305 break;
9306 case 'o': cmd = DT_POP; /* ":pop" */
9307 break;
9308 case 'f': /* ":tfirst" */
9309 case 'r': cmd = DT_FIRST; /* ":trewind" */
9310 break;
9311 case 'l': cmd = DT_LAST; /* ":tlast" */
9312 break;
9313 default: /* ":tag" */
9314 #ifdef FEAT_CSCOPE
9315 if (p_cst)
9316 {
9317 do_cstag(eap);
9318 return;
9319 }
9320 #endif
9321 cmd = DT_TAG;
9322 break;
9323 }
9324
9325 if (name[0] == 'l')
9326 {
9327 #ifndef FEAT_QUICKFIX
9328 ex_ni(eap);
9329 return;
9330 #else
9331 cmd = DT_LTAG;
9332 #endif
9333 }
9334
9335 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9336 eap->forceit, TRUE);
9337 }
9338
9339 /*
9340 * Evaluate cmdline variables.
9341 *
9342 * change '%' to curbuf->b_ffname
9343 * '#' to curwin->w_altfile
9344 * '<cword>' to word under the cursor
9345 * '<cWORD>' to WORD under the cursor
9346 * '<cfile>' to path name under the cursor
9347 * '<sfile>' to sourced file name
9348 * '<afile>' to file name for autocommand
9349 * '<abuf>' to buffer number for autocommand
9350 * '<amatch>' to matching name for autocommand
9351 *
9352 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9353 * "" for error without a message) and NULL is returned.
9354 * Returns an allocated string if a valid match was found.
9355 * Returns NULL if no match was found. "usedlen" then still contains the
9356 * number of characters to skip.
9357 */
9358 char_u *
9359 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9360 char_u *src; /* pointer into commandline */
9361 char_u *srcstart; /* beginning of valid memory for src */
9362 int *usedlen; /* characters after src that are used */
9363 linenr_T *lnump; /* line number for :e command, or NULL */
9364 char_u **errormsg; /* pointer to error message */
9365 int *escaped; /* return value has escaped white space (can
9366 * be NULL) */
9367 {
9368 int i;
9369 char_u *s;
9370 char_u *result;
9371 char_u *resultbuf = NULL;
9372 int resultlen;
9373 buf_T *buf;
9374 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9375 int spec_idx;
9376 #ifdef FEAT_MODIFY_FNAME
9377 int skip_mod = FALSE;
9378 #endif
9379 static char *(spec_str[]) =
9380 {
9381 "%",
9382 #define SPEC_PERC 0
9383 "#",
9384 #define SPEC_HASH 1
9385 "<cword>", /* cursor word */
9386 #define SPEC_CWORD 2
9387 "<cWORD>", /* cursor WORD */
9388 #define SPEC_CCWORD 3
9389 "<cfile>", /* cursor path name */
9390 #define SPEC_CFILE 4
9391 "<sfile>", /* ":so" file name */
9392 #define SPEC_SFILE 5
9393 #ifdef FEAT_AUTOCMD
9394 "<afile>", /* autocommand file name */
9395 # define SPEC_AFILE 6
9396 "<abuf>", /* autocommand buffer number */
9397 # define SPEC_ABUF 7
9398 "<amatch>", /* autocommand match name */
9399 # define SPEC_AMATCH 8
9400 #endif
9401 #ifdef FEAT_CLIENTSERVER
9402 "<client>"
9403 # define SPEC_CLIENT 9
9404 #endif
9405 };
9406 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9407
9408 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9409 char_u strbuf[30];
9410 #endif
9411
9412 *errormsg = NULL;
9413 if (escaped != NULL)
9414 *escaped = FALSE;
9415
9416 /*
9417 * Check if there is something to do.
9418 */
9419 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9420 {
9421 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9422 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9423 break;
9424 }
9425 if (spec_idx == SPEC_COUNT) /* no match */
9426 {
9427 *usedlen = 1;
9428 return NULL;
9429 }
9430
9431 /*
9432 * Skip when preceded with a backslash "\%" and "\#".
9433 * Note: In "\\%" the % is also not recognized!
9434 */
9435 if (src > srcstart && src[-1] == '\\')
9436 {
9437 *usedlen = 0;
9438 mch_memmove(src - 1, src, STRLEN(src) + 1); /* remove backslash */
9439 return NULL;
9440 }
9441
9442 /*
9443 * word or WORD under cursor
9444 */
9445 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9446 {
9447 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9448 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9449 if (resultlen == 0)
9450 {
9451 *errormsg = (char_u *)"";
9452 return NULL;
9453 }
9454 }
9455
9456 /*
9457 * '#': Alternate file name
9458 * '%': Current file name
9459 * File name under the cursor
9460 * File name for autocommand
9461 * and following modifiers
9462 */
9463 else
9464 {
9465 switch (spec_idx)
9466 {
9467 case SPEC_PERC: /* '%': current file */
9468 if (curbuf->b_fname == NULL)
9469 {
9470 result = (char_u *)"";
9471 valid = 0; /* Must have ":p:h" to be valid */
9472 }
9473 else
9474 #ifdef RISCOS
9475 /* Always use the full path for RISC OS if possible. */
9476 result = curbuf->b_ffname;
9477 if (result == NULL)
9478 result = curbuf->b_fname;
9479 #else
9480 result = curbuf->b_fname;
9481 #endif
9482 break;
9483
9484 case SPEC_HASH: /* '#' or "#99": alternate file */
9485 if (src[1] == '#') /* "##": the argument list */
9486 {
9487 result = arg_all();
9488 resultbuf = result;
9489 *usedlen = 2;
9490 if (escaped != NULL)
9491 *escaped = TRUE;
9492 #ifdef FEAT_MODIFY_FNAME
9493 skip_mod = TRUE;
9494 #endif
9495 break;
9496 }
9497 s = src + 1;
9498 i = (int)getdigits(&s);
9499 *usedlen = (int)(s - src); /* length of what we expand */
9500
9501 buf = buflist_findnr(i);
9502 if (buf == NULL)
9503 {
9504 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9505 return NULL;
9506 }
9507 if (lnump != NULL)
9508 *lnump = ECMD_LAST;
9509 if (buf->b_fname == NULL)
9510 {
9511 result = (char_u *)"";
9512 valid = 0; /* Must have ":p:h" to be valid */
9513 }
9514 else
9515 result = buf->b_fname;
9516 break;
9517
9518 #ifdef FEAT_SEARCHPATH
9519 case SPEC_CFILE: /* file name under cursor */
9520 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9521 if (result == NULL)
9522 {
9523 *errormsg = (char_u *)"";
9524 return NULL;
9525 }
9526 resultbuf = result; /* remember allocated string */
9527 break;
9528 #endif
9529
9530 #ifdef FEAT_AUTOCMD
9531 case SPEC_AFILE: /* file name for autocommand */
9532 result = autocmd_fname;
9533 if (result == NULL)
9534 {
9535 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9536 return NULL;
9537 }
9538 result = shorten_fname1(result);
9539 break;
9540
9541 case SPEC_ABUF: /* buffer number for autocommand */
9542 if (autocmd_bufnr <= 0)
9543 {
9544 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9545 return NULL;
9546 }
9547 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9548 result = strbuf;
9549 break;
9550
9551 case SPEC_AMATCH: /* match name for autocommand */
9552 result = autocmd_match;
9553 if (result == NULL)
9554 {
9555 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9556 return NULL;
9557 }
9558 break;
9559
9560 #endif
9561 case SPEC_SFILE: /* file name for ":so" command */
9562 result = sourcing_name;
9563 if (result == NULL)
9564 {
9565 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9566 return NULL;
9567 }
9568 break;
9569 #if defined(FEAT_CLIENTSERVER)
9570 case SPEC_CLIENT: /* Source of last submitted input */
9571 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9572 (long_u)clientWindow);
9573 result = strbuf;
9574 break;
9575 #endif
9576 }
9577
9578 resultlen = (int)STRLEN(result); /* length of new string */
9579 if (src[*usedlen] == '<') /* remove the file name extension */
9580 {
9581 ++*usedlen;
9582 #ifdef RISCOS
9583 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9584 #else
9585 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9586 #endif
9587 resultlen = (int)(s - result);
9588 }
9589 #ifdef FEAT_MODIFY_FNAME
9590 else if (!skip_mod)
9591 {
9592 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9593 &resultlen);
9594 if (result == NULL)
9595 {
9596 *errormsg = (char_u *)"";
9597 return NULL;
9598 }
9599 }
9600 #endif
9601 }
9602
9603 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9604 {
9605 if (valid != VALID_HEAD + VALID_PATH)
9606 /* xgettext:no-c-format */
9607 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9608 else
9609 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9610 result = NULL;
9611 }
9612 else
9613 result = vim_strnsave(result, resultlen);
9614 vim_free(resultbuf);
9615 return result;
9616 }
9617
9618 /*
9619 * Concatenate all files in the argument list, separated by spaces, and return
9620 * it in one allocated string.
9621 * Spaces and backslashes in the file names are escaped with a backslash.
9622 * Returns NULL when out of memory.
9623 */
9624 static char_u *
9625 arg_all()
9626 {
9627 int len;
9628 int idx;
9629 char_u *retval = NULL;
9630 char_u *p;
9631
9632 /*
9633 * Do this loop two times:
9634 * first time: compute the total length
9635 * second time: concatenate the names
9636 */
9637 for (;;)
9638 {
9639 len = 0;
9640 for (idx = 0; idx < ARGCOUNT; ++idx)
9641 {
9642 p = alist_name(&ARGLIST[idx]);
9643 if (p != NULL)
9644 {
9645 if (len > 0)
9646 {
9647 /* insert a space in between names */
9648 if (retval != NULL)
9649 retval[len] = ' ';
9650 ++len;
9651 }
9652 for ( ; *p != NUL; ++p)
9653 {
9654 if (*p == ' ' || *p == '\\')
9655 {
9656 /* insert a backslash */
9657 if (retval != NULL)
9658 retval[len] = '\\';
9659 ++len;
9660 }
9661 if (retval != NULL)
9662 retval[len] = *p;
9663 ++len;
9664 }
9665 }
9666 }
9667
9668 /* second time: break here */
9669 if (retval != NULL)
9670 {
9671 retval[len] = NUL;
9672 break;
9673 }
9674
9675 /* allocate memory */
9676 retval = alloc(len + 1);
9677 if (retval == NULL)
9678 break;
9679 }
9680
9681 return retval;
9682 }
9683
9684 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9685 /*
9686 * Expand the <sfile> string in "arg".
9687 *
9688 * Returns an allocated string, or NULL for any error.
9689 */
9690 char_u *
9691 expand_sfile(arg)
9692 char_u *arg;
9693 {
9694 char_u *errormsg;
9695 int len;
9696 char_u *result;
9697 char_u *newres;
9698 char_u *repl;
9699 int srclen;
9700 char_u *p;
9701
9702 result = vim_strsave(arg);
9703 if (result == NULL)
9704 return NULL;
9705
9706 for (p = result; *p; )
9707 {
9708 if (STRNCMP(p, "<sfile>", 7) != 0)
9709 ++p;
9710 else
9711 {
9712 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9713 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9714 if (errormsg != NULL)
9715 {
9716 if (*errormsg)
9717 emsg(errormsg);
9718 vim_free(result);
9719 return NULL;
9720 }
9721 if (repl == NULL) /* no match (cannot happen) */
9722 {
9723 p += srclen;
9724 continue;
9725 }
9726 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9727 newres = alloc(len);
9728 if (newres == NULL)
9729 {
9730 vim_free(repl);
9731 vim_free(result);
9732 return NULL;
9733 }
9734 mch_memmove(newres, result, (size_t)(p - result));
9735 STRCPY(newres + (p - result), repl);
9736 len = (int)STRLEN(newres);
9737 STRCAT(newres, p + srclen);
9738 vim_free(repl);
9739 vim_free(result);
9740 result = newres;
9741 p = newres + len; /* continue after the match */
9742 }
9743 }
9744
9745 return result;
9746 }
9747 #endif
9748
9749 #ifdef FEAT_SESSION
9750 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9751 win_T *tab_firstwin));
9752 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9753 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9754 static int ses_do_frame __ARGS((frame_T *fr));
9755 static int ses_do_win __ARGS((win_T *wp));
9756 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9757 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9758 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9759
9760 /*
9761 * Write openfile commands for the current buffers to an .exrc file.
9762 * Return FAIL on error, OK otherwise.
9763 */
9764 static int
9765 makeopens(fd, dirnow)
9766 FILE *fd;
9767 char_u *dirnow; /* Current directory name */
9768 {
9769 buf_T *buf;
9770 int only_save_windows = TRUE;
9771 int nr;
9772 int cnr = 1;
9773 int restore_size = TRUE;
9774 win_T *wp;
9775 char_u *sname;
9776 win_T *edited_win = NULL;
9777 int tabnr;
9778 win_T *tab_firstwin;
9779 frame_T *tab_topframe;
9780 int cur_arg_idx = 0;
9781 int next_arg_idx = 0;
9782
9783 if (ssop_flags & SSOP_BUFFERS)
9784 only_save_windows = FALSE; /* Save ALL buffers */
9785
9786 /*
9787 * Begin by setting the this_session variable, and then other
9788 * sessionable variables.
9789 */
9790 #ifdef FEAT_EVAL
9791 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9792 return FAIL;
9793 if (ssop_flags & SSOP_GLOBALS)
9794 if (store_session_globals(fd) == FAIL)
9795 return FAIL;
9796 #endif
9797
9798 /*
9799 * Close all windows but one.
9800 */
9801 if (put_line(fd, "silent only") == FAIL)
9802 return FAIL;
9803
9804 /*
9805 * Now a :cd command to the session directory or the current directory
9806 */
9807 if (ssop_flags & SSOP_SESDIR)
9808 {
9809 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9810 == FAIL)
9811 return FAIL;
9812 }
9813 else if (ssop_flags & SSOP_CURDIR)
9814 {
9815 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9816 if (sname == NULL
9817 || fputs("cd ", fd) < 0
9818 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9819 || put_eol(fd) == FAIL)
9820 {
9821 vim_free(sname);
9822 return FAIL;
9823 }
9824 vim_free(sname);
9825 }
9826
9827 /*
9828 * If there is an empty, unnamed buffer we will wipe it out later.
9829 * Remember the buffer number.
9830 */
9831 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9832 return FAIL;
9833 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9834 return FAIL;
9835 if (put_line(fd, "endif") == FAIL)
9836 return FAIL;
9837
9838 /*
9839 * Now save the current files, current buffer first.
9840 */
9841 if (put_line(fd, "set shortmess=aoO") == FAIL)
9842 return FAIL;
9843
9844 /* Now put the other buffers into the buffer list */
9845 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9846 {
9847 if (!(only_save_windows && buf->b_nwindows == 0)
9848 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9849 && buf->b_fname != NULL
9850 && buf->b_p_bl)
9851 {
9852 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9853 : buf->b_wininfo->wi_fpos.lnum) < 0
9854 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9855 return FAIL;
9856 }
9857 }
9858
9859 /* the global argument list */
9860 if (ses_arglist(fd, "args", &global_alist.al_ga,
9861 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9862 return FAIL;
9863
9864 if (ssop_flags & SSOP_RESIZE)
9865 {
9866 /* Note: after the restore we still check it worked!*/
9867 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9868 || put_eol(fd) == FAIL)
9869 return FAIL;
9870 }
9871
9872 #ifdef FEAT_GUI
9873 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9874 {
9875 int x, y;
9876
9877 if (gui_mch_get_winpos(&x, &y) == OK)
9878 {
9879 /* Note: after the restore we still check it worked!*/
9880 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9881 return FAIL;
9882 }
9883 }
9884 #endif
9885
9886 /*
9887 * May repeat putting Windows for each tab, when "tabpages" is in
9888 * 'sessionoptions'.
9889 * Don't use goto_tabpage(), it may change directory and trigger
9890 * autocommands.
9891 */
9892 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9893 tab_topframe = topframe;
9894 for (tabnr = 1; ; ++tabnr)
9895 {
9896 int need_tabnew = FALSE;
9897
9898 if ((ssop_flags & SSOP_TABPAGES))
9899 {
9900 tabpage_T *tp = find_tabpage(tabnr);
9901
9902 if (tp == NULL)
9903 break; /* done all tab pages */
9904 if (tp == curtab)
9905 {
9906 tab_firstwin = firstwin;
9907 tab_topframe = topframe;
9908 }
9909 else
9910 {
9911 tab_firstwin = tp->tp_firstwin;
9912 tab_topframe = tp->tp_topframe;
9913 }
9914 if (tabnr > 1)
9915 need_tabnew = TRUE;
9916 }
9917
9918 /*
9919 * Before creating the window layout, try loading one file. If this
9920 * is aborted we don't end up with a number of useless windows.
9921 * This may have side effects! (e.g., compressed or network file).
9922 */
9923 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9924 {
9925 if (ses_do_win(wp)
9926 && wp->w_buffer->b_ffname != NULL
9927 && !wp->w_buffer->b_help
9928 #ifdef FEAT_QUICKFIX
9929 && !bt_nofile(wp->w_buffer)
9930 #endif
9931 )
9932 {
9933 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9934 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9935 return FAIL;
9936 need_tabnew = FALSE;
9937 if (!wp->w_arg_idx_invalid)
9938 edited_win = wp;
9939 break;
9940 }
9941 }
9942
9943 /* If no file got edited create an empty tab page. */
9944 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9945 return FAIL;
9946
9947 /*
9948 * Save current window layout.
9949 */
9950 if (put_line(fd, "set splitbelow splitright") == FAIL)
9951 return FAIL;
9952 if (ses_win_rec(fd, tab_topframe) == FAIL)
9953 return FAIL;
9954 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9955 return FAIL;
9956 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9957 return FAIL;
9958
9959 /*
9960 * Check if window sizes can be restored (no windows omitted).
9961 * Remember the window number of the current window after restoring.
9962 */
9963 nr = 0;
9964 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9965 {
9966 if (ses_do_win(wp))
9967 ++nr;
9968 else
9969 restore_size = FALSE;
9970 if (curwin == wp)
9971 cnr = nr;
9972 }
9973
9974 /* Go to the first window. */
9975 if (put_line(fd, "wincmd t") == FAIL)
9976 return FAIL;
9977
9978 /*
9979 * If more than one window, see if sizes can be restored.
9980 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9981 * resized when moving between windows.
9982 * Do this before restoring the view, so that the topline and the
9983 * cursor can be set. This is done again below.
9984 */
9985 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9986 return FAIL;
9987 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9988 return FAIL;
9989
9990 /*
9991 * Restore the view of the window (options, file, cursor, etc.).
9992 */
9993 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9994 {
9995 if (!ses_do_win(wp))
9996 continue;
9997 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
9998 cur_arg_idx) == FAIL)
9999 return FAIL;
10000 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10001 return FAIL;
10002 next_arg_idx = wp->w_arg_idx;
10003 }
10004
10005 /* The argument index in the first tab page is zero, need to set it in
10006 * each window. For further tab pages it's the window where we do
10007 * "tabedit". */
10008 cur_arg_idx = next_arg_idx;
10009
10010 /*
10011 * Restore cursor to the current window if it's not the first one.
10012 */
10013 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10014 || put_eol(fd) == FAIL))
10015 return FAIL;
10016
10017 /*
10018 * Restore window sizes again after jumping around in windows, because
10019 * the current window has a minimum size while others may not.
10020 */
10021 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10022 return FAIL;
10023
10024 /* Don't continue in another tab page when doing only the current one
10025 * or when at the last tab page. */
10026 if (!(ssop_flags & SSOP_TABPAGES))
10027 break;
10028 }
10029
10030 if (ssop_flags & SSOP_TABPAGES)
10031 {
10032 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10033 || put_eol(fd) == FAIL)
10034 return FAIL;
10035 }
10036
10037 /*
10038 * Wipe out an empty unnamed buffer we started in.
10039 */
10040 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10041 return FAIL;
10042 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10043 return FAIL;
10044 if (put_line(fd, "endif") == FAIL)
10045 return FAIL;
10046 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10047 return FAIL;
10048
10049 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10050 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10051 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10052 return FAIL;
10053
10054 /*
10055 * Lastly, execute the x.vim file if it exists.
10056 */
10057 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10058 || put_line(fd, "if file_readable(s:sx)") == FAIL
10059 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10060 || put_line(fd, "endif") == FAIL)
10061 return FAIL;
10062
10063 return OK;
10064 }
10065
10066 static int
10067 ses_winsizes(fd, restore_size, tab_firstwin)
10068 FILE *fd;
10069 int restore_size;
10070 win_T *tab_firstwin;
10071 {
10072 int n = 0;
10073 win_T *wp;
10074
10075 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10076 {
10077 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10078 {
10079 if (!ses_do_win(wp))
10080 continue;
10081 ++n;
10082
10083 /* restore height when not full height */
10084 if (wp->w_height + wp->w_status_height < topframe->fr_height
10085 && (fprintf(fd,
10086 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10087 n, (long)wp->w_height, Rows / 2, Rows) < 0
10088 || put_eol(fd) == FAIL))
10089 return FAIL;
10090
10091 /* restore width when not full width */
10092 if (wp->w_width < Columns && (fprintf(fd,
10093 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10094 n, (long)wp->w_width, Columns / 2, Columns) < 0
10095 || put_eol(fd) == FAIL))
10096 return FAIL;
10097 }
10098 }
10099 else
10100 {
10101 /* Just equalise window sizes */
10102 if (put_line(fd, "wincmd =") == FAIL)
10103 return FAIL;
10104 }
10105 return OK;
10106 }
10107
10108 /*
10109 * Write commands to "fd" to recursively create windows for frame "fr",
10110 * horizontally and vertically split.
10111 * After the commands the last window in the frame is the current window.
10112 * Returns FAIL when writing the commands to "fd" fails.
10113 */
10114 static int
10115 ses_win_rec(fd, fr)
10116 FILE *fd;
10117 frame_T *fr;
10118 {
10119 frame_T *frc;
10120 int count = 0;
10121
10122 if (fr->fr_layout != FR_LEAF)
10123 {
10124 /* Find first frame that's not skipped and then create a window for
10125 * each following one (first frame is already there). */
10126 frc = ses_skipframe(fr->fr_child);
10127 if (frc != NULL)
10128 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10129 {
10130 /* Make window as big as possible so that we have lots of room
10131 * to split. */
10132 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10133 || put_line(fd, fr->fr_layout == FR_COL
10134 ? "split" : "vsplit") == FAIL)
10135 return FAIL;
10136 ++count;
10137 }
10138
10139 /* Go back to the first window. */
10140 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10141 ? "%dwincmd k" : "%dwincmd h", count) < 0
10142 || put_eol(fd) == FAIL))
10143 return FAIL;
10144
10145 /* Recursively create frames/windows in each window of this column or
10146 * row. */
10147 frc = ses_skipframe(fr->fr_child);
10148 while (frc != NULL)
10149 {
10150 ses_win_rec(fd, frc);
10151 frc = ses_skipframe(frc->fr_next);
10152 /* Go to next window. */
10153 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10154 return FAIL;
10155 }
10156 }
10157 return OK;
10158 }
10159
10160 /*
10161 * Skip frames that don't contain windows we want to save in the Session.
10162 * Returns NULL when there none.
10163 */
10164 static frame_T *
10165 ses_skipframe(fr)
10166 frame_T *fr;
10167 {
10168 frame_T *frc;
10169
10170 for (frc = fr; frc != NULL; frc = frc->fr_next)
10171 if (ses_do_frame(frc))
10172 break;
10173 return frc;
10174 }
10175
10176 /*
10177 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10178 * the Session.
10179 */
10180 static int
10181 ses_do_frame(fr)
10182 frame_T *fr;
10183 {
10184 frame_T *frc;
10185
10186 if (fr->fr_layout == FR_LEAF)
10187 return ses_do_win(fr->fr_win);
10188 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10189 if (ses_do_frame(frc))
10190 return TRUE;
10191 return FALSE;
10192 }
10193
10194 /*
10195 * Return non-zero if window "wp" is to be stored in the Session.
10196 */
10197 static int
10198 ses_do_win(wp)
10199 win_T *wp;
10200 {
10201 if (wp->w_buffer->b_fname == NULL
10202 #ifdef FEAT_QUICKFIX
10203 /* When 'buftype' is "nofile" can't restore the window contents. */
10204 || bt_nofile(wp->w_buffer)
10205 #endif
10206 )
10207 return (ssop_flags & SSOP_BLANK);
10208 if (wp->w_buffer->b_help)
10209 return (ssop_flags & SSOP_HELP);
10210 return TRUE;
10211 }
10212
10213 /*
10214 * Write commands to "fd" to restore the view of a window.
10215 * Caller must make sure 'scrolloff' is zero.
10216 */
10217 static int
10218 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10219 FILE *fd;
10220 win_T *wp;
10221 int add_edit; /* add ":edit" command to view */
10222 unsigned *flagp; /* vop_flags or ssop_flags */
10223 int current_arg_idx; /* current argument index of the window, use
10224 * -1 if unknown */
10225 {
10226 win_T *save_curwin;
10227 int f;
10228 int do_cursor;
10229 int did_next = FALSE;
10230
10231 /* Always restore cursor position for ":mksession". For ":mkview" only
10232 * when 'viewoptions' contains "cursor". */
10233 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10234
10235 /*
10236 * Local argument list.
10237 */
10238 if (wp->w_alist == &global_alist)
10239 {
10240 if (put_line(fd, "argglobal") == FAIL)
10241 return FAIL;
10242 }
10243 else
10244 {
10245 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10246 flagp == &vop_flags
10247 || !(*flagp & SSOP_CURDIR)
10248 || wp->w_localdir != NULL, flagp) == FAIL)
10249 return FAIL;
10250 }
10251
10252 /* Only when part of a session: restore the argument index. Some
10253 * arguments may have been deleted, check if the index is valid. */
10254 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10255 && flagp == &ssop_flags)
10256 {
10257 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10258 || put_eol(fd) == FAIL)
10259 return FAIL;
10260 did_next = TRUE;
10261 }
10262
10263 /* Edit the file. Skip this when ":next" already did it. */
10264 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10265 {
10266 /*
10267 * Load the file.
10268 */
10269 if (wp->w_buffer->b_ffname != NULL
10270 #ifdef FEAT_QUICKFIX
10271 && !bt_nofile(wp->w_buffer)
10272 #endif
10273 )
10274 {
10275 /*
10276 * Editing a file in this buffer: use ":edit file".
10277 * This may have side effects! (e.g., compressed or network file).
10278 */
10279 if (fputs("edit ", fd) < 0
10280 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10281 return FAIL;
10282 }
10283 else
10284 {
10285 /* No file in this buffer, just make it empty. */
10286 if (put_line(fd, "enew") == FAIL)
10287 return FAIL;
10288 #ifdef FEAT_QUICKFIX
10289 if (wp->w_buffer->b_ffname != NULL)
10290 {
10291 /* The buffer does have a name, but it's not a file name. */
10292 if (fputs("file ", fd) < 0
10293 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10294 return FAIL;
10295 }
10296 #endif
10297 do_cursor = FALSE;
10298 }
10299 }
10300
10301 /*
10302 * Local mappings and abbreviations.
10303 */
10304 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10305 && makemap(fd, wp->w_buffer) == FAIL)
10306 return FAIL;
10307
10308 /*
10309 * Local options. Need to go to the window temporarily.
10310 * Store only local values when using ":mkview" and when ":mksession" is
10311 * used and 'sessionoptions' doesn't include "options".
10312 * Some folding options are always stored when "folds" is included,
10313 * otherwise the folds would not be restored correctly.
10314 */
10315 save_curwin = curwin;
10316 curwin = wp;
10317 curbuf = curwin->w_buffer;
10318 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10319 f = makeset(fd, OPT_LOCAL,
10320 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10321 #ifdef FEAT_FOLDING
10322 else if (*flagp & SSOP_FOLDS)
10323 f = makefoldset(fd);
10324 #endif
10325 else
10326 f = OK;
10327 curwin = save_curwin;
10328 curbuf = curwin->w_buffer;
10329 if (f == FAIL)
10330 return FAIL;
10331
10332 #ifdef FEAT_FOLDING
10333 /*
10334 * Save Folds when 'buftype' is empty and for help files.
10335 */
10336 if ((*flagp & SSOP_FOLDS)
10337 && wp->w_buffer->b_ffname != NULL
10338 # ifdef FEAT_QUICKFIX
10339 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10340 # endif
10341 )
10342 {
10343 if (put_folds(fd, wp) == FAIL)
10344 return FAIL;
10345 }
10346 #endif
10347
10348 /*
10349 * Set the cursor after creating folds, since that moves the cursor.
10350 */
10351 if (do_cursor)
10352 {
10353
10354 /* Restore the cursor line in the file and relatively in the
10355 * window. Don't use "G", it changes the jumplist. */
10356 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10357 (long)wp->w_cursor.lnum,
10358 (long)(wp->w_cursor.lnum - wp->w_topline),
10359 (long)wp->w_height / 2, (long)wp->w_height) < 0
10360 || put_eol(fd) == FAIL
10361 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10362 || put_line(fd, "exe s:l") == FAIL
10363 || put_line(fd, "normal! zt") == FAIL
10364 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10365 || put_eol(fd) == FAIL)
10366 return FAIL;
10367 /* Restore the cursor column and left offset when not wrapping. */
10368 if (wp->w_cursor.col == 0)
10369 {
10370 if (put_line(fd, "normal! 0") == FAIL)
10371 return FAIL;
10372 }
10373 else
10374 {
10375 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10376 {
10377 if (fprintf(fd,
10378 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10379 (long)wp->w_cursor.col,
10380 (long)(wp->w_cursor.col - wp->w_leftcol),
10381 (long)wp->w_width / 2, (long)wp->w_width) < 0
10382 || put_eol(fd) == FAIL
10383 || put_line(fd, "if s:c > 0") == FAIL
10384 || fprintf(fd,
10385 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10386 (long)wp->w_cursor.col) < 0
10387 || put_eol(fd) == FAIL
10388 || put_line(fd, "else") == FAIL
10389 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10390 || put_eol(fd) == FAIL
10391 || put_line(fd, "endif") == FAIL)
10392 return FAIL;
10393 }
10394 else
10395 {
10396 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10397 || put_eol(fd) == FAIL)
10398 return FAIL;
10399 }
10400 }
10401 }
10402
10403 /*
10404 * Local directory.
10405 */
10406 if (wp->w_localdir != NULL)
10407 {
10408 if (fputs("lcd ", fd) < 0
10409 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10410 || put_eol(fd) == FAIL)
10411 return FAIL;
10412 did_lcd = TRUE;
10413 }
10414
10415 return OK;
10416 }
10417
10418 /*
10419 * Write an argument list to the session file.
10420 * Returns FAIL if writing fails.
10421 */
10422 static int
10423 ses_arglist(fd, cmd, gap, fullname, flagp)
10424 FILE *fd;
10425 char *cmd;
10426 garray_T *gap;
10427 int fullname; /* TRUE: use full path name */
10428 unsigned *flagp;
10429 {
10430 int i;
10431 char_u buf[MAXPATHL];
10432 char_u *s;
10433
10434 if (gap->ga_len == 0)
10435 return put_line(fd, "silent! argdel *");
10436 if (fputs(cmd, fd) < 0)
10437 return FAIL;
10438 for (i = 0; i < gap->ga_len; ++i)
10439 {
10440 /* NULL file names are skipped (only happens when out of memory). */
10441 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10442 if (s != NULL)
10443 {
10444 if (fullname)
10445 {
10446 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10447 s = buf;
10448 }
10449 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10450 return FAIL;
10451 }
10452 }
10453 return put_eol(fd);
10454 }
10455
10456 /*
10457 * Write a buffer name to the session file.
10458 * Also ends the line.
10459 * Returns FAIL if writing fails.
10460 */
10461 static int
10462 ses_fname(fd, buf, flagp)
10463 FILE *fd;
10464 buf_T *buf;
10465 unsigned *flagp;
10466 {
10467 char_u *name;
10468
10469 /* Use the short file name if the current directory is known at the time
10470 * the session file will be sourced.
10471 * Don't do this for ":mkview", we don't know the current directory.
10472 * Don't do this after ":lcd", we don't keep track of what the current
10473 * directory is. */
10474 if (buf->b_sfname != NULL
10475 && flagp == &ssop_flags
10476 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10477 && !did_lcd)
10478 name = buf->b_sfname;
10479 else
10480 name = buf->b_ffname;
10481 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10482 return FAIL;
10483 return OK;
10484 }
10485
10486 /*
10487 * Write a file name to the session file.
10488 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10489 * characters.
10490 * Returns FAIL if writing fails.
10491 */
10492 static int
10493 ses_put_fname(fd, name, flagp)
10494 FILE *fd;
10495 char_u *name;
10496 unsigned *flagp;
10497 {
10498 char_u *sname;
10499 int retval = OK;
10500 int c;
10501
10502 sname = home_replace_save(NULL, name);
10503 if (sname != NULL)
10504 name = sname;
10505 while (*name != NUL)
10506 {
10507 #ifdef FEAT_MBYTE
10508 {
10509 int l;
10510
10511 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10512 {
10513 /* copy a multibyte char */
10514 while (--l >= 0)
10515 {
10516 if (putc(*name, fd) != *name)
10517 retval = FAIL;
10518 ++name;
10519 }
10520 continue;
10521 }
10522 }
10523 #endif
10524 c = *name++;
10525 if (c == '\\' && (*flagp & SSOP_SLASH))
10526 /* change a backslash to a forward slash */
10527 c = '/';
10528 else if ((vim_strchr(escape_chars, c) != NULL
10529 #ifdef BACKSLASH_IN_FILENAME
10530 && c != '\\'
10531 #endif
10532 ) || c == '#' || c == '%')
10533 {
10534 /* escape a special character with a backslash */
10535 if (putc('\\', fd) != '\\')
10536 retval = FAIL;
10537 }
10538 if (putc(c, fd) != c)
10539 retval = FAIL;
10540 }
10541 vim_free(sname);
10542 return retval;
10543 }
10544
10545 /*
10546 * ":loadview [nr]"
10547 */
10548 static void
10549 ex_loadview(eap)
10550 exarg_T *eap;
10551 {
10552 char_u *fname;
10553
10554 fname = get_view_file(*eap->arg);
10555 if (fname != NULL)
10556 {
10557 do_source(fname, FALSE, DOSO_NONE);
10558 vim_free(fname);
10559 }
10560 }
10561
10562 /*
10563 * Get the name of the view file for the current buffer.
10564 */
10565 static char_u *
10566 get_view_file(c)
10567 int c;
10568 {
10569 int len = 0;
10570 char_u *p, *s;
10571 char_u *retval;
10572 char_u *sname;
10573
10574 if (curbuf->b_ffname == NULL)
10575 {
10576 EMSG(_(e_noname));
10577 return NULL;
10578 }
10579 sname = home_replace_save(NULL, curbuf->b_ffname);
10580 if (sname == NULL)
10581 return NULL;
10582
10583 /*
10584 * We want a file name without separators, because we're not going to make
10585 * a directory.
10586 * "normal" path separator -> "=+"
10587 * "=" -> "=="
10588 * ":" path separator -> "=-"
10589 */
10590 for (p = sname; *p; ++p)
10591 if (*p == '=' || vim_ispathsep(*p))
10592 ++len;
10593 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10594 if (retval != NULL)
10595 {
10596 STRCPY(retval, p_vdir);
10597 add_pathsep(retval);
10598 s = retval + STRLEN(retval);
10599 for (p = sname; *p; ++p)
10600 {
10601 if (*p == '=')
10602 {
10603 *s++ = '=';
10604 *s++ = '=';
10605 }
10606 else if (vim_ispathsep(*p))
10607 {
10608 *s++ = '=';
10609 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10610 || defined(VMS)
10611 if (*p == ':')
10612 *s++ = '-';
10613 else
10614 #endif
10615 *s++ = '+';
10616 }
10617 else
10618 *s++ = *p;
10619 }
10620 *s++ = '=';
10621 *s++ = c;
10622 STRCPY(s, ".vim");
10623 }
10624
10625 vim_free(sname);
10626 return retval;
10627 }
10628
10629 #endif /* FEAT_SESSION */
10630
10631 /*
10632 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10633 * Return FAIL for a write error.
10634 */
10635 int
10636 put_eol(fd)
10637 FILE *fd;
10638 {
10639 if (
10640 #ifdef USE_CRNL
10641 (
10642 # ifdef MKSESSION_NL
10643 !mksession_nl &&
10644 # endif
10645 (putc('\r', fd) < 0)) ||
10646 #endif
10647 (putc('\n', fd) < 0))
10648 return FAIL;
10649 return OK;
10650 }
10651
10652 /*
10653 * Write a line to "fd".
10654 * Return FAIL for a write error.
10655 */
10656 int
10657 put_line(fd, s)
10658 FILE *fd;
10659 char *s;
10660 {
10661 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10662 return FAIL;
10663 return OK;
10664 }
10665
10666 #ifdef FEAT_VIMINFO
10667 /*
10668 * ":rviminfo" and ":wviminfo".
10669 */
10670 static void
10671 ex_viminfo(eap)
10672 exarg_T *eap;
10673 {
10674 char_u *save_viminfo;
10675
10676 save_viminfo = p_viminfo;
10677 if (*p_viminfo == NUL)
10678 p_viminfo = (char_u *)"'100";
10679 if (eap->cmdidx == CMD_rviminfo)
10680 {
10681 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10682 EMSG(_("E195: Cannot open viminfo file for reading"));
10683 }
10684 else
10685 write_viminfo(eap->arg, eap->forceit);
10686 p_viminfo = save_viminfo;
10687 }
10688 #endif
10689
10690 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10691 /*
10692 * Make a dialog message in "buff[IOSIZE]".
10693 * "format" must contain "%s".
10694 */
10695 void
10696 dialog_msg(buff, format, fname)
10697 char_u *buff;
10698 char *format;
10699 char_u *fname;
10700 {
10701 if (fname == NULL)
10702 fname = (char_u *)_("Untitled");
10703 vim_snprintf((char *)buff, IOSIZE, format, fname);
10704 }
10705 #endif
10706
10707 /*
10708 * ":behave {mswin,xterm}"
10709 */
10710 static void
10711 ex_behave(eap)
10712 exarg_T *eap;
10713 {
10714 if (STRCMP(eap->arg, "mswin") == 0)
10715 {
10716 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10717 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10718 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10719 set_option_value((char_u *)"keymodel", 0L,
10720 (char_u *)"startsel,stopsel", 0);
10721 }
10722 else if (STRCMP(eap->arg, "xterm") == 0)
10723 {
10724 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10725 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10726 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10727 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10728 }
10729 else
10730 EMSG2(_(e_invarg2), eap->arg);
10731 }
10732
10733 #ifdef FEAT_AUTOCMD
10734 static int filetype_detect = FALSE;
10735 static int filetype_plugin = FALSE;
10736 static int filetype_indent = FALSE;
10737
10738 /*
10739 * ":filetype [plugin] [indent] {on,off,detect}"
10740 * on: Load the filetype.vim file to install autocommands for file types.
10741 * off: Load the ftoff.vim file to remove all autocommands for file types.
10742 * plugin on: load filetype.vim and ftplugin.vim
10743 * plugin off: load ftplugof.vim
10744 * indent on: load filetype.vim and indent.vim
10745 * indent off: load indoff.vim
10746 */
10747 static void
10748 ex_filetype(eap)
10749 exarg_T *eap;
10750 {
10751 char_u *arg = eap->arg;
10752 int plugin = FALSE;
10753 int indent = FALSE;
10754
10755 if (*eap->arg == NUL)
10756 {
10757 /* Print current status. */
10758 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10759 filetype_detect ? "ON" : "OFF",
10760 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10761 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10762 return;
10763 }
10764
10765 /* Accept "plugin" and "indent" in any order. */
10766 for (;;)
10767 {
10768 if (STRNCMP(arg, "plugin", 6) == 0)
10769 {
10770 plugin = TRUE;
10771 arg = skipwhite(arg + 6);
10772 continue;
10773 }
10774 if (STRNCMP(arg, "indent", 6) == 0)
10775 {
10776 indent = TRUE;
10777 arg = skipwhite(arg + 6);
10778 continue;
10779 }
10780 break;
10781 }
10782 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10783 {
10784 if (*arg == 'o' || !filetype_detect)
10785 {
10786 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10787 filetype_detect = TRUE;
10788 if (plugin)
10789 {
10790 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10791 filetype_plugin = TRUE;
10792 }
10793 if (indent)
10794 {
10795 source_runtime((char_u *)INDENT_FILE, TRUE);
10796 filetype_indent = TRUE;
10797 }
10798 }
10799 if (*arg == 'd')
10800 {
10801 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10802 do_modelines(0);
10803 }
10804 }
10805 else if (STRCMP(arg, "off") == 0)
10806 {
10807 if (plugin || indent)
10808 {
10809 if (plugin)
10810 {
10811 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10812 filetype_plugin = FALSE;
10813 }
10814 if (indent)
10815 {
10816 source_runtime((char_u *)INDOFF_FILE, TRUE);
10817 filetype_indent = FALSE;
10818 }
10819 }
10820 else
10821 {
10822 source_runtime((char_u *)FTOFF_FILE, TRUE);
10823 filetype_detect = FALSE;
10824 }
10825 }
10826 else
10827 EMSG2(_(e_invarg2), arg);
10828 }
10829
10830 /*
10831 * ":setfiletype {name}"
10832 */
10833 static void
10834 ex_setfiletype(eap)
10835 exarg_T *eap;
10836 {
10837 if (!did_filetype)
10838 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10839 }
10840 #endif
10841
10842 /*ARGSUSED*/
10843 static void
10844 ex_digraphs(eap)
10845 exarg_T *eap;
10846 {
10847 #ifdef FEAT_DIGRAPHS
10848 if (*eap->arg != NUL)
10849 putdigraph(eap->arg);
10850 else
10851 listdigraphs();
10852 #else
10853 EMSG(_("E196: No digraphs in this version"));
10854 #endif
10855 }
10856
10857 static void
10858 ex_set(eap)
10859 exarg_T *eap;
10860 {
10861 int flags = 0;
10862
10863 if (eap->cmdidx == CMD_setlocal)
10864 flags = OPT_LOCAL;
10865 else if (eap->cmdidx == CMD_setglobal)
10866 flags = OPT_GLOBAL;
10867 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10868 if (cmdmod.browse && flags == 0)
10869 ex_options(eap);
10870 else
10871 #endif
10872 (void)do_set(eap->arg, flags);
10873 }
10874
10875 #ifdef FEAT_SEARCH_EXTRA
10876 /*
10877 * ":nohlsearch"
10878 */
10879 /*ARGSUSED*/
10880 static void
10881 ex_nohlsearch(eap)
10882 exarg_T *eap;
10883 {
10884 no_hlsearch = TRUE;
10885 redraw_all_later(SOME_VALID);
10886 }
10887
10888 /*
10889 * ":[N]match {group} {pattern}"
10890 * Sets nextcmd to the start of the next command, if any. Also called when
10891 * skipping commands to find the next command.
10892 */
10893 static void
10894 ex_match(eap)
10895 exarg_T *eap;
10896 {
10897 char_u *p;
10898 char_u *g = NULL;
10899 char_u *end;
10900 int c;
10901 int id;
10902
10903 if (eap->line2 <= 3)
10904 id = eap->line2;
10905 else
10906 {
10907 EMSG(e_invcmd);
10908 return;
10909 }
10910
10911 /* First clear any old pattern. */
10912 if (!eap->skip)
10913 match_delete(curwin, id, FALSE);
10914
10915 if (ends_excmd(*eap->arg))
10916 end = eap->arg;
10917 else if ((STRNICMP(eap->arg, "none", 4) == 0
10918 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10919 end = eap->arg + 4;
10920 else
10921 {
10922 p = skiptowhite(eap->arg);
10923 if (!eap->skip)
10924 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10925 p = skipwhite(p);
10926 if (*p == NUL)
10927 {
10928 /* There must be two arguments. */
10929 EMSG2(_(e_invarg2), eap->arg);
10930 return;
10931 }
10932 end = skip_regexp(p + 1, *p, TRUE, NULL);
10933 if (!eap->skip)
10934 {
10935 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10936 {
10937 eap->errmsg = e_trailing;
10938 return;
10939 }
10940 if (*end != *p)
10941 {
10942 EMSG2(_(e_invarg2), p);
10943 return;
10944 }
10945
10946 c = *end;
10947 *end = NUL;
10948 match_add(curwin, g, p + 1, 10, id);
10949 vim_free(g);
10950 *end = c;
10951 }
10952 }
10953 eap->nextcmd = find_nextcmd(end);
10954 }
10955 #endif
10956
10957 #ifdef FEAT_CRYPT
10958 /*
10959 * ":X": Get crypt key
10960 */
10961 /*ARGSUSED*/
10962 static void
10963 ex_X(eap)
10964 exarg_T *eap;
10965 {
10966 (void)get_crypt_key(TRUE, TRUE);
10967 }
10968 #endif
10969
10970 #ifdef FEAT_FOLDING
10971 static void
10972 ex_fold(eap)
10973 exarg_T *eap;
10974 {
10975 if (foldManualAllowed(TRUE))
10976 foldCreate(eap->line1, eap->line2);
10977 }
10978
10979 static void
10980 ex_foldopen(eap)
10981 exarg_T *eap;
10982 {
10983 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10984 eap->forceit, FALSE);
10985 }
10986
10987 static void
10988 ex_folddo(eap)
10989 exarg_T *eap;
10990 {
10991 linenr_T lnum;
10992
10993 /* First set the marks for all lines closed/open. */
10994 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10995 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10996 ml_setmarked(lnum);
10997
10998 /* Execute the command on the marked lines. */
10999 global_exe(eap->arg);
11000 ml_clearmarked(); /* clear rest of the marks */
11001 }
11002 #endif
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