?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge branch 'vim-with-runtime' into feat/code-check
[vim_extended.git] / src / ex_docmd.c
blobd58c6e0a7f0a2001a8b5df7526cd63018ff5d24c
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 int uc_compl; /* completion type */
30 # ifdef FEAT_EVAL
31 scid_T uc_scriptID; /* SID where the command was defined */
32 # ifdef FEAT_CMDL_COMPL
33 char_u *uc_compl_arg; /* completion argument if any */
34 # endif
35 # endif
36 } ucmd_T;
37
38 #define UC_BUFFER 1 /* -buffer: local to current buffer */
39
40 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
41
42 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
43 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
44
45 static void do_ucmd __ARGS((exarg_T *eap));
46 static void ex_command __ARGS((exarg_T *eap));
47 static void ex_delcommand __ARGS((exarg_T *eap));
48 # ifdef FEAT_CMDL_COMPL
49 static char_u *get_user_command_name __ARGS((int idx));
50 # endif
51
52 #else
53 # define ex_command ex_ni
54 # define ex_comclear ex_ni
55 # define ex_delcommand ex_ni
56 #endif
57
58 #ifdef FEAT_EVAL
59 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
60 #else
61 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
62 static int if_level = 0; /* depth in :if */
63 #endif
64 static char_u *find_command __ARGS((exarg_T *eap, int *full));
65
66 static void ex_abbreviate __ARGS((exarg_T *eap));
67 static void ex_map __ARGS((exarg_T *eap));
68 static void ex_unmap __ARGS((exarg_T *eap));
69 static void ex_mapclear __ARGS((exarg_T *eap));
70 static void ex_abclear __ARGS((exarg_T *eap));
71 #ifndef FEAT_MENU
72 # define ex_emenu ex_ni
73 # define ex_menu ex_ni
74 # define ex_menutranslate ex_ni
75 #endif
76 #ifdef FEAT_AUTOCMD
77 static void ex_autocmd __ARGS((exarg_T *eap));
78 static void ex_doautocmd __ARGS((exarg_T *eap));
79 #else
80 # define ex_autocmd ex_ni
81 # define ex_doautocmd ex_ni
82 # define ex_doautoall ex_ni
83 #endif
84 #ifdef FEAT_LISTCMDS
85 static void ex_bunload __ARGS((exarg_T *eap));
86 static void ex_buffer __ARGS((exarg_T *eap));
87 static void ex_bmodified __ARGS((exarg_T *eap));
88 static void ex_bnext __ARGS((exarg_T *eap));
89 static void ex_bprevious __ARGS((exarg_T *eap));
90 static void ex_brewind __ARGS((exarg_T *eap));
91 static void ex_blast __ARGS((exarg_T *eap));
92 #else
93 # define ex_bunload ex_ni
94 # define ex_buffer ex_ni
95 # define ex_bmodified ex_ni
96 # define ex_bnext ex_ni
97 # define ex_bprevious ex_ni
98 # define ex_brewind ex_ni
99 # define ex_blast ex_ni
100 # define buflist_list ex_ni
101 # define ex_checktime ex_ni
102 #endif
103 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
104 # define ex_buffer_all ex_ni
105 #endif
106 static char_u *getargcmd __ARGS((char_u **));
107 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
108 static int getargopt __ARGS((exarg_T *eap));
109 #ifndef FEAT_QUICKFIX
110 # define ex_make ex_ni
111 # define ex_cbuffer ex_ni
112 # define ex_cc ex_ni
113 # define ex_cnext ex_ni
114 # define ex_cfile ex_ni
115 # define qf_list ex_ni
116 # define qf_age ex_ni
117 # define ex_helpgrep ex_ni
118 # define ex_vimgrep ex_ni
119 #endif
120 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
121 # define ex_cclose ex_ni
122 # define ex_copen ex_ni
123 # define ex_cwindow ex_ni
124 #endif
125 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
126 # define ex_cexpr ex_ni
127 #endif
128
129 static int check_more __ARGS((int, int));
130 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
131 static void get_flags __ARGS((exarg_T *eap));
132 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
133 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
134 # define HAVE_EX_SCRIPT_NI
135 static void ex_script_ni __ARGS((exarg_T *eap));
136 #endif
137 static char_u *invalid_range __ARGS((exarg_T *eap));
138 static void correct_range __ARGS((exarg_T *eap));
139 #ifdef FEAT_QUICKFIX
140 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
141 #endif
142 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
143 static void ex_highlight __ARGS((exarg_T *eap));
144 static void ex_colorscheme __ARGS((exarg_T *eap));
145 static void ex_codecheck __ARGS((exarg_T *eap));
146 static void ex_quit __ARGS((exarg_T *eap));
147 static void ex_cquit __ARGS((exarg_T *eap));
148 static void ex_quit_all __ARGS((exarg_T *eap));
149 #ifdef FEAT_WINDOWS
150 static void ex_close __ARGS((exarg_T *eap));
151 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
152 static void ex_only __ARGS((exarg_T *eap));
153 static void ex_resize __ARGS((exarg_T *eap));
154 static void ex_stag __ARGS((exarg_T *eap));
155 static void ex_tabclose __ARGS((exarg_T *eap));
156 static void ex_tabonly __ARGS((exarg_T *eap));
157 static void ex_tabnext __ARGS((exarg_T *eap));
158 static void ex_tabmove __ARGS((exarg_T *eap));
159 static void ex_tabs __ARGS((exarg_T *eap));
160 #else
161 # define ex_close ex_ni
162 # define ex_only ex_ni
163 # define ex_all ex_ni
164 # define ex_resize ex_ni
165 # define ex_splitview ex_ni
166 # define ex_stag ex_ni
167 # define ex_tabnext ex_ni
168 # define ex_tabmove ex_ni
169 # define ex_tabs ex_ni
170 # define ex_tabclose ex_ni
171 # define ex_tabonly ex_ni
172 #endif
173 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
174 static void ex_pclose __ARGS((exarg_T *eap));
175 static void ex_ptag __ARGS((exarg_T *eap));
176 static void ex_pedit __ARGS((exarg_T *eap));
177 #else
178 # define ex_pclose ex_ni
179 # define ex_ptag ex_ni
180 # define ex_pedit ex_ni
181 #endif
182 static void ex_hide __ARGS((exarg_T *eap));
183 static void ex_stop __ARGS((exarg_T *eap));
184 static void ex_exit __ARGS((exarg_T *eap));
185 static void ex_print __ARGS((exarg_T *eap));
186 #ifdef FEAT_BYTEOFF
187 static void ex_goto __ARGS((exarg_T *eap));
188 #else
189 # define ex_goto ex_ni
190 #endif
191 static void ex_shell __ARGS((exarg_T *eap));
192 static void ex_preserve __ARGS((exarg_T *eap));
193 static void ex_recover __ARGS((exarg_T *eap));
194 #ifndef FEAT_LISTCMDS
195 # define ex_argedit ex_ni
196 # define ex_argadd ex_ni
197 # define ex_argdelete ex_ni
198 # define ex_listdo ex_ni
199 #endif
200 static void ex_mode __ARGS((exarg_T *eap));
201 static void ex_wrongmodifier __ARGS((exarg_T *eap));
202 static void ex_find __ARGS((exarg_T *eap));
203 static void ex_open __ARGS((exarg_T *eap));
204 static void ex_edit __ARGS((exarg_T *eap));
205 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
206 # define ex_drop ex_ni
207 #endif
208 #ifndef FEAT_GUI
209 # define ex_gui ex_nogui
210 static void ex_nogui __ARGS((exarg_T *eap));
211 #endif
212 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
213 static void ex_tearoff __ARGS((exarg_T *eap));
214 #else
215 # define ex_tearoff ex_ni
216 #endif
217 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
218 static void ex_popup __ARGS((exarg_T *eap));
219 #else
220 # define ex_popup ex_ni
221 #endif
222 #ifndef FEAT_GUI_MSWIN
223 # define ex_simalt ex_ni
224 #endif
225 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
226 # define gui_mch_find_dialog ex_ni
227 # define gui_mch_replace_dialog ex_ni
228 #endif
229 #if !defined(FEAT_GUI_GTK)
230 # define ex_helpfind ex_ni
231 #endif
232 #ifndef FEAT_CSCOPE
233 # define do_cscope ex_ni
234 # define do_scscope ex_ni
235 # define do_cstag ex_ni
236 #endif
237 #ifndef FEAT_SYN_HL
238 # define ex_syntax ex_ni
239 #endif
240 #ifndef FEAT_SPELL
241 # define ex_spell ex_ni
242 # define ex_mkspell ex_ni
243 # define ex_spelldump ex_ni
244 # define ex_spellinfo ex_ni
245 # define ex_spellrepall ex_ni
246 #endif
247 #ifndef FEAT_MZSCHEME
248 # define ex_mzscheme ex_script_ni
249 # define ex_mzfile ex_ni
250 #endif
251 #ifndef FEAT_PERL
252 # define ex_perl ex_script_ni
253 # define ex_perldo ex_ni
254 #endif
255 #ifndef FEAT_PYTHON
256 # define ex_python ex_script_ni
257 # define ex_pyfile ex_ni
258 #endif
259 #ifndef FEAT_TCL
260 # define ex_tcl ex_script_ni
261 # define ex_tcldo ex_ni
262 # define ex_tclfile ex_ni
263 #endif
264 #ifndef FEAT_RUBY
265 # define ex_ruby ex_script_ni
266 # define ex_rubydo ex_ni
267 # define ex_rubyfile ex_ni
268 #endif
269 #ifndef FEAT_SNIFF
270 # define ex_sniff ex_ni
271 #endif
272 #ifndef FEAT_KEYMAP
273 # define ex_loadkeymap ex_ni
274 #endif
275 static void ex_swapname __ARGS((exarg_T *eap));
276 static void ex_syncbind __ARGS((exarg_T *eap));
277 static void ex_read __ARGS((exarg_T *eap));
278 static void ex_pwd __ARGS((exarg_T *eap));
279 static void ex_equal __ARGS((exarg_T *eap));
280 static void ex_sleep __ARGS((exarg_T *eap));
281 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
282 static void ex_winsize __ARGS((exarg_T *eap));
283 #ifdef FEAT_WINDOWS
284 static void ex_wincmd __ARGS((exarg_T *eap));
285 #else
286 # define ex_wincmd ex_ni
287 #endif
288 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
289 static void ex_winpos __ARGS((exarg_T *eap));
290 #else
291 # define ex_winpos ex_ni
292 #endif
293 static void ex_operators __ARGS((exarg_T *eap));
294 static void ex_put __ARGS((exarg_T *eap));
295 static void ex_copymove __ARGS((exarg_T *eap));
296 static void ex_may_print __ARGS((exarg_T *eap));
297 static void ex_submagic __ARGS((exarg_T *eap));
298 static void ex_join __ARGS((exarg_T *eap));
299 static void ex_at __ARGS((exarg_T *eap));
300 static void ex_bang __ARGS((exarg_T *eap));
301 static void ex_undo __ARGS((exarg_T *eap));
302 static void ex_redo __ARGS((exarg_T *eap));
303 static void ex_later __ARGS((exarg_T *eap));
304 static void ex_redir __ARGS((exarg_T *eap));
305 static void ex_redraw __ARGS((exarg_T *eap));
306 static void ex_redrawstatus __ARGS((exarg_T *eap));
307 static void close_redir __ARGS((void));
308 static void ex_mkrc __ARGS((exarg_T *eap));
309 static void ex_mark __ARGS((exarg_T *eap));
310 #ifdef FEAT_USR_CMDS
311 static char_u *uc_fun_cmd __ARGS((void));
312 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
313 #endif
314 #ifdef FEAT_EX_EXTRA
315 static void ex_normal __ARGS((exarg_T *eap));
316 static void ex_startinsert __ARGS((exarg_T *eap));
317 static void ex_stopinsert __ARGS((exarg_T *eap));
318 #else
319 # define ex_normal ex_ni
320 # define ex_align ex_ni
321 # define ex_retab ex_ni
322 # define ex_startinsert ex_ni
323 # define ex_stopinsert ex_ni
324 # define ex_helptags ex_ni
325 # define ex_sort ex_ni
326 #endif
327 #ifdef FEAT_FIND_ID
328 static void ex_checkpath __ARGS((exarg_T *eap));
329 static void ex_findpat __ARGS((exarg_T *eap));
330 #else
331 # define ex_findpat ex_ni
332 # define ex_checkpath ex_ni
333 #endif
334 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
335 static void ex_psearch __ARGS((exarg_T *eap));
336 #else
337 # define ex_psearch ex_ni
338 #endif
339 static void ex_tag __ARGS((exarg_T *eap));
340 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
341 #ifndef FEAT_EVAL
342 # define ex_scriptnames ex_ni
343 # define ex_finish ex_ni
344 # define ex_echo ex_ni
345 # define ex_echohl ex_ni
346 # define ex_execute ex_ni
347 # define ex_call ex_ni
348 # define ex_if ex_ni
349 # define ex_endif ex_ni
350 # define ex_else ex_ni
351 # define ex_while ex_ni
352 # define ex_for ex_ni
353 # define ex_continue ex_ni
354 # define ex_break ex_ni
355 # define ex_endwhile ex_ni
356 # define ex_endfor ex_ni
357 # define ex_throw ex_ni
358 # define ex_try ex_ni
359 # define ex_catch ex_ni
360 # define ex_finally ex_ni
361 # define ex_endtry ex_ni
362 # define ex_endfunction ex_ni
363 # define ex_let ex_ni
364 # define ex_unlet ex_ni
365 # define ex_lockvar ex_ni
366 # define ex_unlockvar ex_ni
367 # define ex_function ex_ni
368 # define ex_delfunction ex_ni
369 # define ex_return ex_ni
370 # define ex_oldfiles ex_ni
371 #endif
372 static char_u *arg_all __ARGS((void));
373 #ifdef FEAT_SESSION
374 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
375 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
376 static void ex_loadview __ARGS((exarg_T *eap));
377 static char_u *get_view_file __ARGS((int c));
378 static int did_lcd; /* whether ":lcd" was produced for a session */
379 #else
380 # define ex_loadview ex_ni
381 #endif
382 #ifndef FEAT_EVAL
383 # define ex_compiler ex_ni
384 #endif
385 #ifdef FEAT_VIMINFO
386 static void ex_viminfo __ARGS((exarg_T *eap));
387 #else
388 # define ex_viminfo ex_ni
389 #endif
390 static void ex_behave __ARGS((exarg_T *eap));
391 #ifdef FEAT_AUTOCMD
392 static void ex_filetype __ARGS((exarg_T *eap));
393 static void ex_setfiletype __ARGS((exarg_T *eap));
394 #else
395 # define ex_filetype ex_ni
396 # define ex_setfiletype ex_ni
397 #endif
398 #ifndef FEAT_DIFF
399 # define ex_diffoff ex_ni
400 # define ex_diffpatch ex_ni
401 # define ex_diffgetput ex_ni
402 # define ex_diffsplit ex_ni
403 # define ex_diffthis ex_ni
404 # define ex_diffupdate ex_ni
405 #endif
406 static void ex_digraphs __ARGS((exarg_T *eap));
407 static void ex_set __ARGS((exarg_T *eap));
408 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
409 # define ex_options ex_ni
410 #endif
411 #ifdef FEAT_SEARCH_EXTRA
412 static void ex_nohlsearch __ARGS((exarg_T *eap));
413 static void ex_match __ARGS((exarg_T *eap));
414 #else
415 # define ex_nohlsearch ex_ni
416 # define ex_match ex_ni
417 #endif
418 #ifdef FEAT_CRYPT
419 static void ex_X __ARGS((exarg_T *eap));
420 #else
421 # define ex_X ex_ni
422 #endif
423 #ifdef FEAT_FOLDING
424 static void ex_fold __ARGS((exarg_T *eap));
425 static void ex_foldopen __ARGS((exarg_T *eap));
426 static void ex_folddo __ARGS((exarg_T *eap));
427 #else
428 # define ex_fold ex_ni
429 # define ex_foldopen ex_ni
430 # define ex_folddo ex_ni
431 #endif
432 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
433 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
434 # define ex_language ex_ni
435 #endif
436 #ifndef FEAT_SIGNS
437 # define ex_sign ex_ni
438 #endif
439 #ifndef FEAT_SUN_WORKSHOP
440 # define ex_wsverb ex_ni
441 #endif
442 #ifndef FEAT_NETBEANS_INTG
443 # define ex_nbkey ex_ni
444 #endif
445
446 #ifndef FEAT_EVAL
447 # define ex_debug ex_ni
448 # define ex_breakadd ex_ni
449 # define ex_debuggreedy ex_ni
450 # define ex_breakdel ex_ni
451 # define ex_breaklist ex_ni
452 #endif
453
454 #ifndef FEAT_CMDHIST
455 # define ex_history ex_ni
456 #endif
457 #ifndef FEAT_JUMPLIST
458 # define ex_jumps ex_ni
459 # define ex_changes ex_ni
460 #endif
461
462 #ifndef FEAT_PROFILE
463 # define ex_profile ex_ni
464 #endif
465
466 /*
467 * Declare cmdnames[].
468 */
469 #define DO_DECLARE_EXCMD
470 #include "ex_cmds.h"
471
472 /*
473 * Table used to quickly search for a command, based on its first character.
474 */
475 static cmdidx_T cmdidxs[27] =
476 {
477 CMD_append,
478 CMD_buffer,
479 CMD_change,
480 CMD_delete,
481 CMD_edit,
482 CMD_file,
483 CMD_global,
484 CMD_help,
485 CMD_insert,
486 CMD_join,
487 CMD_k,
488 CMD_list,
489 CMD_move,
490 CMD_next,
491 CMD_open,
492 CMD_print,
493 CMD_quit,
494 CMD_read,
495 CMD_substitute,
496 CMD_t,
497 CMD_undo,
498 CMD_vglobal,
499 CMD_write,
500 CMD_xit,
501 CMD_yank,
502 CMD_z,
503 CMD_bang
504 };
505
506 static char_u dollar_command[2] = {'$', 0};
507
508
509 #ifdef FEAT_EVAL
510 /* Struct for storing a line inside a while/for loop */
511 typedef struct
512 {
513 char_u *line; /* command line */
514 linenr_T lnum; /* sourcing_lnum of the line */
515 } wcmd_T;
516
517 /*
518 * Structure used to store info for line position in a while or for loop.
519 * This is required, because do_one_cmd() may invoke ex_function(), which
520 * reads more lines that may come from the while/for loop.
521 */
522 struct loop_cookie
523 {
524 garray_T *lines_gap; /* growarray with line info */
525 int current_line; /* last read line from growarray */
526 int repeating; /* TRUE when looping a second time */
527 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
528 char_u *(*getline) __ARGS((int, void *, int));
529 void *cookie;
530 };
531
532 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
533 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
534 static void free_cmdlines __ARGS((garray_T *gap));
535
536 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
537 struct dbg_stuff
538 {
539 int trylevel;
540 int force_abort;
541 except_T *caught_stack;
542 char_u *vv_exception;
543 char_u *vv_throwpoint;
544 int did_emsg;
545 int got_int;
546 int did_throw;
547 int need_rethrow;
548 int check_cstack;
549 except_T *current_exception;
550 };
551
552 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
553 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
554
555 static void
556 save_dbg_stuff(dsp)
557 struct dbg_stuff *dsp;
558 {
559 dsp->trylevel = trylevel; trylevel = 0;
560 dsp->force_abort = force_abort; force_abort = FALSE;
561 dsp->caught_stack = caught_stack; caught_stack = NULL;
562 dsp->vv_exception = v_exception(NULL);
563 dsp->vv_throwpoint = v_throwpoint(NULL);
564
565 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
566 dsp->did_emsg = did_emsg; did_emsg = FALSE;
567 dsp->got_int = got_int; got_int = FALSE;
568 dsp->did_throw = did_throw; did_throw = FALSE;
569 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
570 dsp->check_cstack = check_cstack; check_cstack = FALSE;
571 dsp->current_exception = current_exception; current_exception = NULL;
572 }
573
574 static void
575 restore_dbg_stuff(dsp)
576 struct dbg_stuff *dsp;
577 {
578 suppress_errthrow = FALSE;
579 trylevel = dsp->trylevel;
580 force_abort = dsp->force_abort;
581 caught_stack = dsp->caught_stack;
582 (void)v_exception(dsp->vv_exception);
583 (void)v_throwpoint(dsp->vv_throwpoint);
584 did_emsg = dsp->did_emsg;
585 got_int = dsp->got_int;
586 did_throw = dsp->did_throw;
587 need_rethrow = dsp->need_rethrow;
588 check_cstack = dsp->check_cstack;
589 current_exception = dsp->current_exception;
590 }
591 #endif
592
593
594 /*
595 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
596 * command is given.
597 */
598 void
599 do_exmode(improved)
600 int improved; /* TRUE for "improved Ex" mode */
601 {
602 int save_msg_scroll;
603 int prev_msg_row;
604 linenr_T prev_line;
605 int changedtick;
606
607 if (improved)
608 exmode_active = EXMODE_VIM;
609 else
610 exmode_active = EXMODE_NORMAL;
611 State = NORMAL;
612
613 /* When using ":global /pat/ visual" and then "Q" we return to continue
614 * the :global command. */
615 if (global_busy)
616 return;
617
618 save_msg_scroll = msg_scroll;
619 ++RedrawingDisabled; /* don't redisplay the window */
620 ++no_wait_return; /* don't wait for return */
621 #ifdef FEAT_GUI
622 /* Ignore scrollbar and mouse events in Ex mode */
623 ++hold_gui_events;
624 #endif
625 #ifdef FEAT_SNIFF
626 want_sniff_request = 0; /* No K_SNIFF wanted */
627 #endif
628
629 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
630 while (exmode_active)
631 {
632 #ifdef FEAT_EX_EXTRA
633 /* Check for a ":normal" command and no more characters left. */
634 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
635 {
636 exmode_active = FALSE;
637 break;
638 }
639 #endif
640 msg_scroll = TRUE;
641 need_wait_return = FALSE;
642 ex_pressedreturn = FALSE;
643 ex_no_reprint = FALSE;
644 changedtick = curbuf->b_changedtick;
645 prev_msg_row = msg_row;
646 prev_line = curwin->w_cursor.lnum;
647 #ifdef FEAT_SNIFF
648 ProcessSniffRequests();
649 #endif
650 if (improved)
651 {
652 cmdline_row = msg_row;
653 do_cmdline(NULL, getexline, NULL, 0);
654 }
655 else
656 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
657 lines_left = Rows - 1;
658
659 if ((prev_line != curwin->w_cursor.lnum
660 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
661 {
662 if (curbuf->b_ml.ml_flags & ML_EMPTY)
663 EMSG(_(e_emptybuf));
664 else
665 {
666 if (ex_pressedreturn)
667 {
668 /* go up one line, to overwrite the ":<CR>" line, so the
669 * output doesn't contain empty lines. */
670 msg_row = prev_msg_row;
671 if (prev_msg_row == Rows - 1)
672 msg_row--;
673 }
674 msg_col = 0;
675 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
676 msg_clr_eos();
677 }
678 }
679 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
680 {
681 if (curbuf->b_ml.ml_flags & ML_EMPTY)
682 EMSG(_(e_emptybuf));
683 else
684 EMSG(_("E501: At end-of-file"));
685 }
686 }
687
688 #ifdef FEAT_GUI
689 --hold_gui_events;
690 #endif
691 --RedrawingDisabled;
692 --no_wait_return;
693 update_screen(CLEAR);
694 need_wait_return = FALSE;
695 msg_scroll = save_msg_scroll;
696 }
697
698 /*
699 * Execute a simple command line. Used for translated commands like "*".
700 */
701 int
702 do_cmdline_cmd(cmd)
703 char_u *cmd;
704 {
705 return do_cmdline(cmd, NULL, NULL,
706 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
707 }
708
709 /*
710 * do_cmdline(): execute one Ex command line
711 *
712 * 1. Execute "cmdline" when it is not NULL.
713 * If "cmdline" is NULL, or more lines are needed, getline() is used.
714 * 2. Split up in parts separated with '|'.
715 *
716 * This function can be called recursively!
717 *
718 * flags:
719 * DOCMD_VERBOSE - The command will be included in the error message.
720 * DOCMD_NOWAIT - Don't call wait_return() and friends.
721 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
722 * DOCMD_KEYTYPED - Don't reset KeyTyped.
723 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
724 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
725 *
726 * return FAIL if cmdline could not be executed, OK otherwise
727 */
728 int
729 do_cmdline(cmdline, getline, cookie, flags)
730 char_u *cmdline;
731 char_u *(*getline) __ARGS((int, void *, int));
732 void *cookie; /* argument for getline() */
733 int flags;
734 {
735 char_u *next_cmdline; /* next cmd to execute */
736 char_u *cmdline_copy = NULL; /* copy of cmd line */
737 int used_getline = FALSE; /* used "getline" to obtain command */
738 static int recursive = 0; /* recursive depth */
739 int msg_didout_before_start = 0;
740 int count = 0; /* line number count */
741 int did_inc = FALSE; /* incremented RedrawingDisabled */
742 int retval = OK;
743 #ifdef FEAT_EVAL
744 struct condstack cstack; /* conditional stack */
745 garray_T lines_ga; /* keep lines for ":while"/":for" */
746 int current_line = 0; /* active line in lines_ga */
747 char_u *fname = NULL; /* function or script name */
748 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
749 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
750 struct dbg_stuff debug_saved; /* saved things for debug mode */
751 int initial_trylevel;
752 struct msglist **saved_msg_list = NULL;
753 struct msglist *private_msg_list;
754
755 /* "getline" and "cookie" passed to do_one_cmd() */
756 char_u *(*cmd_getline) __ARGS((int, void *, int));
757 void *cmd_cookie;
758 struct loop_cookie cmd_loop_cookie;
759 void *real_cookie;
760 int getline_is_func;
761 #else
762 # define cmd_getline getline
763 # define cmd_cookie cookie
764 #endif
765 static int call_depth = 0; /* recursiveness */
766
767 #ifdef FEAT_EVAL
768 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
769 * location for storing error messages to be converted to an exception.
770 * This ensures that the do_errthrow() call in do_one_cmd() does not
771 * combine the messages stored by an earlier invocation of do_one_cmd()
772 * with the command name of the later one. This would happen when
773 * BufWritePost autocommands are executed after a write error. */
774 saved_msg_list = msg_list;
775 msg_list = &private_msg_list;
776 private_msg_list = NULL;
777 #endif
778
779 /* It's possible to create an endless loop with ":execute", catch that
780 * here. The value of 200 allows nested function calls, ":source", etc. */
781 if (call_depth == 200)
782 {
783 EMSG(_("E169: Command too recursive"));
784 #ifdef FEAT_EVAL
785 /* When converting to an exception, we do not include the command name
786 * since this is not an error of the specific command. */
787 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
788 msg_list = saved_msg_list;
789 #endif
790 return FAIL;
791 }
792 ++call_depth;
793
794 #ifdef FEAT_EVAL
795 cstack.cs_idx = -1;
796 cstack.cs_looplevel = 0;
797 cstack.cs_trylevel = 0;
798 cstack.cs_emsg_silent_list = NULL;
799 cstack.cs_lflags = 0;
800 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
801
802 real_cookie = getline_cookie(getline, cookie);
803
804 /* Inside a function use a higher nesting level. */
805 getline_is_func = getline_equal(getline, cookie, get_func_line);
806 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
807 ++ex_nesting_level;
808
809 /* Get the function or script name and the address where the next breakpoint
810 * line and the debug tick for a function or script are stored. */
811 if (getline_is_func)
812 {
813 fname = func_name(real_cookie);
814 breakpoint = func_breakpoint(real_cookie);
815 dbg_tick = func_dbg_tick(real_cookie);
816 }
817 else if (getline_equal(getline, cookie, getsourceline))
818 {
819 fname = sourcing_name;
820 breakpoint = source_breakpoint(real_cookie);
821 dbg_tick = source_dbg_tick(real_cookie);
822 }
823
824 /*
825 * Initialize "force_abort" and "suppress_errthrow" at the top level.
826 */
827 if (!recursive)
828 {
829 force_abort = FALSE;
830 suppress_errthrow = FALSE;
831 }
832
833 /*
834 * If requested, store and reset the global values controlling the
835 * exception handling (used when debugging). Otherwise clear it to avoid
836 * a bogus compiler warning when the optimizer uses inline functions...
837 */
838 if (flags & DOCMD_EXCRESET)
839 save_dbg_stuff(&debug_saved);
840 else
841 memset(&debug_saved, 0, 1);
842
843 initial_trylevel = trylevel;
844
845 /*
846 * "did_throw" will be set to TRUE when an exception is being thrown.
847 */
848 did_throw = FALSE;
849 #endif
850 /*
851 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
852 * cancel the whole command line, and any if/endif or loop.
853 * If force_abort is set, we cancel everything.
854 */
855 did_emsg = FALSE;
856
857 /*
858 * KeyTyped is only set when calling vgetc(). Reset it here when not
859 * calling vgetc() (sourced command lines).
860 */
861 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
862 KeyTyped = FALSE;
863
864 /*
865 * Continue executing command lines:
866 * - when inside an ":if", ":while" or ":for"
867 * - for multiple commands on one line, separated with '|'
868 * - when repeating until there are no more lines (for ":source")
869 */
870 next_cmdline = cmdline;
871 do
872 {
873 #ifdef FEAT_EVAL
874 getline_is_func = getline_equal(getline, cookie, get_func_line);
875 #endif
876
877 /* stop skipping cmds for an error msg after all endif/while/for */
878 if (next_cmdline == NULL
879 #ifdef FEAT_EVAL
880 && !force_abort
881 && cstack.cs_idx < 0
882 && !(getline_is_func && func_has_abort(real_cookie))
883 #endif
884 )
885 did_emsg = FALSE;
886
887 /*
888 * 1. If repeating a line in a loop, get a line from lines_ga.
889 * 2. If no line given: Get an allocated line with getline().
890 * 3. If a line is given: Make a copy, so we can mess with it.
891 */
892
893 #ifdef FEAT_EVAL
894 /* 1. If repeating, get a previous line from lines_ga. */
895 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
896 {
897 /* Each '|' separated command is stored separately in lines_ga, to
898 * be able to jump to it. Don't use next_cmdline now. */
899 vim_free(cmdline_copy);
900 cmdline_copy = NULL;
901
902 /* Check if a function has returned or, unless it has an unclosed
903 * try conditional, aborted. */
904 if (getline_is_func)
905 {
906 # ifdef FEAT_PROFILE
907 if (do_profiling == PROF_YES)
908 func_line_end(real_cookie);
909 # endif
910 if (func_has_ended(real_cookie))
911 {
912 retval = FAIL;
913 break;
914 }
915 }
916 #ifdef FEAT_PROFILE
917 else if (do_profiling == PROF_YES
918 && getline_equal(getline, cookie, getsourceline))
919 script_line_end();
920 #endif
921
922 /* Check if a sourced file hit a ":finish" command. */
923 if (source_finished(getline, cookie))
924 {
925 retval = FAIL;
926 break;
927 }
928
929 /* If breakpoints have been added/deleted need to check for it. */
930 if (breakpoint != NULL && dbg_tick != NULL
931 && *dbg_tick != debug_tick)
932 {
933 *breakpoint = dbg_find_breakpoint(
934 getline_equal(getline, cookie, getsourceline),
935 fname, sourcing_lnum);
936 *dbg_tick = debug_tick;
937 }
938
939 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
940 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
941
942 /* Did we encounter a breakpoint? */
943 if (breakpoint != NULL && *breakpoint != 0
944 && *breakpoint <= sourcing_lnum)
945 {
946 dbg_breakpoint(fname, sourcing_lnum);
947 /* Find next breakpoint. */
948 *breakpoint = dbg_find_breakpoint(
949 getline_equal(getline, cookie, getsourceline),
950 fname, sourcing_lnum);
951 *dbg_tick = debug_tick;
952 }
953 # ifdef FEAT_PROFILE
954 if (do_profiling == PROF_YES)
955 {
956 if (getline_is_func)
957 func_line_start(real_cookie);
958 else if (getline_equal(getline, cookie, getsourceline))
959 script_line_start();
960 }
961 # endif
962 }
963
964 if (cstack.cs_looplevel > 0)
965 {
966 /* Inside a while/for loop we need to store the lines and use them
967 * again. Pass a different "getline" function to do_one_cmd()
968 * below, so that it stores lines in or reads them from
969 * "lines_ga". Makes it possible to define a function inside a
970 * while/for loop. */
971 cmd_getline = get_loop_line;
972 cmd_cookie = (void *)&cmd_loop_cookie;
973 cmd_loop_cookie.lines_gap = &lines_ga;
974 cmd_loop_cookie.current_line = current_line;
975 cmd_loop_cookie.getline = getline;
976 cmd_loop_cookie.cookie = cookie;
977 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
978 }
979 else
980 {
981 cmd_getline = getline;
982 cmd_cookie = cookie;
983 }
984 #endif
985
986 /* 2. If no line given, get an allocated line with getline(). */
987 if (next_cmdline == NULL)
988 {
989 /*
990 * Need to set msg_didout for the first line after an ":if",
991 * otherwise the ":if" will be overwritten.
992 */
993 if (count == 1 && getline_equal(getline, cookie, getexline))
994 msg_didout = TRUE;
995 if (getline == NULL || (next_cmdline = getline(':', cookie,
996 #ifdef FEAT_EVAL
997 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
998 #else
999 0
1000 #endif
1001 )) == NULL)
1002 {
1003 /* Don't call wait_return for aborted command line. The NULL
1004 * returned for the end of a sourced file or executed function
1005 * doesn't do this. */
1006 if (KeyTyped && !(flags & DOCMD_REPEAT))
1007 need_wait_return = FALSE;
1008 retval = FAIL;
1009 break;
1010 }
1011 used_getline = TRUE;
1012
1013 /*
1014 * Keep the first typed line. Clear it when more lines are typed.
1015 */
1016 if (flags & DOCMD_KEEPLINE)
1017 {
1018 vim_free(repeat_cmdline);
1019 if (count == 0)
1020 repeat_cmdline = vim_strsave(next_cmdline);
1021 else
1022 repeat_cmdline = NULL;
1023 }
1024 }
1025
1026 /* 3. Make a copy of the command so we can mess with it. */
1027 else if (cmdline_copy == NULL)
1028 {
1029 next_cmdline = vim_strsave(next_cmdline);
1030 if (next_cmdline == NULL)
1031 {
1032 EMSG(_(e_outofmem));
1033 retval = FAIL;
1034 break;
1035 }
1036 }
1037 cmdline_copy = next_cmdline;
1038
1039 #ifdef FEAT_EVAL
1040 /*
1041 * Save the current line when inside a ":while" or ":for", and when
1042 * the command looks like a ":while" or ":for", because we may need it
1043 * later. When there is a '|' and another command, it is stored
1044 * separately, because we need to be able to jump back to it from an
1045 * :endwhile/:endfor.
1046 */
1047 if (current_line == lines_ga.ga_len
1048 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1049 {
1050 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1051 {
1052 retval = FAIL;
1053 break;
1054 }
1055 }
1056 did_endif = FALSE;
1057 #endif
1058
1059 if (count++ == 0)
1060 {
1061 /*
1062 * All output from the commands is put below each other, without
1063 * waiting for a return. Don't do this when executing commands
1064 * from a script or when being called recursive (e.g. for ":e
1065 * +command file").
1066 */
1067 if (!(flags & DOCMD_NOWAIT) && !recursive)
1068 {
1069 msg_didout_before_start = msg_didout;
1070 msg_didany = FALSE; /* no output yet */
1071 msg_start();
1072 msg_scroll = TRUE; /* put messages below each other */
1073 ++no_wait_return; /* dont wait for return until finished */
1074 ++RedrawingDisabled;
1075 did_inc = TRUE;
1076 }
1077 }
1078
1079 if (p_verbose >= 15 && sourcing_name != NULL)
1080 {
1081 ++no_wait_return;
1082 verbose_enter_scroll();
1083
1084 smsg((char_u *)_("line %ld: %s"),
1085 (long)sourcing_lnum, cmdline_copy);
1086 if (msg_silent == 0)
1087 msg_puts((char_u *)"\n"); /* don't overwrite this */
1088
1089 verbose_leave_scroll();
1090 --no_wait_return;
1091 }
1092
1093 /*
1094 * 2. Execute one '|' separated command.
1095 * do_one_cmd() will return NULL if there is no trailing '|'.
1096 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1097 */
1098 ++recursive;
1099 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1100 #ifdef FEAT_EVAL
1101 &cstack,
1102 #endif
1103 cmd_getline, cmd_cookie);
1104 --recursive;
1105
1106 #ifdef FEAT_EVAL
1107 if (cmd_cookie == (void *)&cmd_loop_cookie)
1108 /* Use "current_line" from "cmd_loop_cookie", it may have been
1109 * incremented when defining a function. */
1110 current_line = cmd_loop_cookie.current_line;
1111 #endif
1112
1113 if (next_cmdline == NULL)
1114 {
1115 vim_free(cmdline_copy);
1116 cmdline_copy = NULL;
1117 #ifdef FEAT_CMDHIST
1118 /*
1119 * If the command was typed, remember it for the ':' register.
1120 * Do this AFTER executing the command to make :@: work.
1121 */
1122 if (getline_equal(getline, cookie, getexline)
1123 && new_last_cmdline != NULL)
1124 {
1125 vim_free(last_cmdline);
1126 last_cmdline = new_last_cmdline;
1127 new_last_cmdline = NULL;
1128 }
1129 #endif
1130 }
1131 else
1132 {
1133 /* need to copy the command after the '|' to cmdline_copy, for the
1134 * next do_one_cmd() */
1135 STRMOVE(cmdline_copy, next_cmdline);
1136 next_cmdline = cmdline_copy;
1137 }
1138
1139
1140 #ifdef FEAT_EVAL
1141 /* reset did_emsg for a function that is not aborted by an error */
1142 if (did_emsg && !force_abort
1143 && getline_equal(getline, cookie, get_func_line)
1144 && !func_has_abort(real_cookie))
1145 did_emsg = FALSE;
1146
1147 if (cstack.cs_looplevel > 0)
1148 {
1149 ++current_line;
1150
1151 /*
1152 * An ":endwhile", ":endfor" and ":continue" is handled here.
1153 * If we were executing commands, jump back to the ":while" or
1154 * ":for".
1155 * If we were not executing commands, decrement cs_looplevel.
1156 */
1157 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1158 {
1159 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1160
1161 /* Jump back to the matching ":while" or ":for". Be careful
1162 * not to use a cs_line[] from an entry that isn't a ":while"
1163 * or ":for": It would make "current_line" invalid and can
1164 * cause a crash. */
1165 if (!did_emsg && !got_int && !did_throw
1166 && cstack.cs_idx >= 0
1167 && (cstack.cs_flags[cstack.cs_idx]
1168 & (CSF_WHILE | CSF_FOR))
1169 && cstack.cs_line[cstack.cs_idx] >= 0
1170 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1171 {
1172 current_line = cstack.cs_line[cstack.cs_idx];
1173 /* remember we jumped there */
1174 cstack.cs_lflags |= CSL_HAD_LOOP;
1175 line_breakcheck(); /* check if CTRL-C typed */
1176
1177 /* Check for the next breakpoint at or after the ":while"
1178 * or ":for". */
1179 if (breakpoint != NULL)
1180 {
1181 *breakpoint = dbg_find_breakpoint(
1182 getline_equal(getline, cookie, getsourceline),
1183 fname,
1184 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1185 *dbg_tick = debug_tick;
1186 }
1187 }
1188 else
1189 {
1190 /* can only get here with ":endwhile" or ":endfor" */
1191 if (cstack.cs_idx >= 0)
1192 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1193 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1194 }
1195 }
1196
1197 /*
1198 * For a ":while" or ":for" we need to remember the line number.
1199 */
1200 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1201 {
1202 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1203 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1204 }
1205 }
1206
1207 /*
1208 * When not inside any ":while" loop, clear remembered lines.
1209 */
1210 if (cstack.cs_looplevel == 0)
1211 {
1212 if (lines_ga.ga_len > 0)
1213 {
1214 sourcing_lnum =
1215 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1216 free_cmdlines(&lines_ga);
1217 }
1218 current_line = 0;
1219 }
1220
1221 /*
1222 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1223 * being restored at the ":endtry". Reset them here and set the
1224 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1225 * This includes the case where a missing ":endif", ":endwhile" or
1226 * ":endfor" was detected by the ":finally" itself.
1227 */
1228 if (cstack.cs_lflags & CSL_HAD_FINA)
1229 {
1230 cstack.cs_lflags &= ~CSL_HAD_FINA;
1231 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1232 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1233 did_throw ? (void *)current_exception : NULL);
1234 did_emsg = got_int = did_throw = FALSE;
1235 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1236 }
1237
1238 /* Update global "trylevel" for recursive calls to do_cmdline() from
1239 * within this loop. */
1240 trylevel = initial_trylevel + cstack.cs_trylevel;
1241
1242 /*
1243 * If the outermost try conditional (across function calls and sourced
1244 * files) is aborted because of an error, an interrupt, or an uncaught
1245 * exception, cancel everything. If it is left normally, reset
1246 * force_abort to get the non-EH compatible abortion behavior for
1247 * the rest of the script.
1248 */
1249 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1250 force_abort = FALSE;
1251
1252 /* Convert an interrupt to an exception if appropriate. */
1253 (void)do_intthrow(&cstack);
1254 #endif /* FEAT_EVAL */
1255
1256 }
1257 /*
1258 * Continue executing command lines when:
1259 * - no CTRL-C typed, no aborting error, no exception thrown or try
1260 * conditionals need to be checked for executing finally clauses or
1261 * catching an interrupt exception
1262 * - didn't get an error message or lines are not typed
1263 * - there is a command after '|', inside a :if, :while, :for or :try, or
1264 * looping for ":source" command or function call.
1265 */
1266 while (!((got_int
1267 #ifdef FEAT_EVAL
1268 || (did_emsg && force_abort) || did_throw
1269 #endif
1270 )
1271 #ifdef FEAT_EVAL
1272 && cstack.cs_trylevel == 0
1273 #endif
1274 )
1275 && !(did_emsg && used_getline
1276 && (getline_equal(getline, cookie, getexmodeline)
1277 || getline_equal(getline, cookie, getexline)))
1278 && (next_cmdline != NULL
1279 #ifdef FEAT_EVAL
1280 || cstack.cs_idx >= 0
1281 #endif
1282 || (flags & DOCMD_REPEAT)));
1283
1284 vim_free(cmdline_copy);
1285 #ifdef FEAT_EVAL
1286 free_cmdlines(&lines_ga);
1287 ga_clear(&lines_ga);
1288
1289 if (cstack.cs_idx >= 0)
1290 {
1291 /*
1292 * If a sourced file or executed function ran to its end, report the
1293 * unclosed conditional.
1294 */
1295 if (!got_int && !did_throw
1296 && ((getline_equal(getline, cookie, getsourceline)
1297 && !source_finished(getline, cookie))
1298 || (getline_equal(getline, cookie, get_func_line)
1299 && !func_has_ended(real_cookie))))
1300 {
1301 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1302 EMSG(_(e_endtry));
1303 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1304 EMSG(_(e_endwhile));
1305 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1306 EMSG(_(e_endfor));
1307 else
1308 EMSG(_(e_endif));
1309 }
1310
1311 /*
1312 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1313 * ":endtry" in a sourced file or executed function. If the try
1314 * conditional is in its finally clause, ignore anything pending.
1315 * If it is in a catch clause, finish the caught exception.
1316 * Also cleanup any "cs_forinfo" structures.
1317 */
1318 do
1319 {
1320 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1321
1322 if (idx >= 0)
1323 --idx; /* remove try block not in its finally clause */
1324 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1325 &cstack.cs_looplevel);
1326 }
1327 while (cstack.cs_idx >= 0);
1328 trylevel = initial_trylevel;
1329 }
1330
1331 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1332 * lack was reported above and the error message is to be converted to an
1333 * exception, do this now after rewinding the cstack. */
1334 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1335 ? (char_u *)"endfunction" : (char_u *)NULL);
1336
1337 if (trylevel == 0)
1338 {
1339 /*
1340 * When an exception is being thrown out of the outermost try
1341 * conditional, discard the uncaught exception, disable the conversion
1342 * of interrupts or errors to exceptions, and ensure that no more
1343 * commands are executed.
1344 */
1345 if (did_throw)
1346 {
1347 void *p = NULL;
1348 char_u *saved_sourcing_name;
1349 int saved_sourcing_lnum;
1350 struct msglist *messages = NULL, *next;
1351
1352 /*
1353 * If the uncaught exception is a user exception, report it as an
1354 * error. If it is an error exception, display the saved error
1355 * message now. For an interrupt exception, do nothing; the
1356 * interrupt message is given elsewhere.
1357 */
1358 switch (current_exception->type)
1359 {
1360 case ET_USER:
1361 vim_snprintf((char *)IObuff, IOSIZE,
1362 _("E605: Exception not caught: %s"),
1363 current_exception->value);
1364 p = vim_strsave(IObuff);
1365 break;
1366 case ET_ERROR:
1367 messages = current_exception->messages;
1368 current_exception->messages = NULL;
1369 break;
1370 case ET_INTERRUPT:
1371 break;
1372 default:
1373 p = vim_strsave((char_u *)_(e_internal));
1374 }
1375
1376 saved_sourcing_name = sourcing_name;
1377 saved_sourcing_lnum = sourcing_lnum;
1378 sourcing_name = current_exception->throw_name;
1379 sourcing_lnum = current_exception->throw_lnum;
1380 current_exception->throw_name = NULL;
1381
1382 discard_current_exception(); /* uses IObuff if 'verbose' */
1383 suppress_errthrow = TRUE;
1384 force_abort = TRUE;
1385
1386 if (messages != NULL)
1387 {
1388 do
1389 {
1390 next = messages->next;
1391 emsg(messages->msg);
1392 vim_free(messages->msg);
1393 vim_free(messages);
1394 messages = next;
1395 }
1396 while (messages != NULL);
1397 }
1398 else if (p != NULL)
1399 {
1400 emsg(p);
1401 vim_free(p);
1402 }
1403 vim_free(sourcing_name);
1404 sourcing_name = saved_sourcing_name;
1405 sourcing_lnum = saved_sourcing_lnum;
1406 }
1407
1408 /*
1409 * On an interrupt or an aborting error not converted to an exception,
1410 * disable the conversion of errors to exceptions. (Interrupts are not
1411 * converted any more, here.) This enables also the interrupt message
1412 * when force_abort is set and did_emsg unset in case of an interrupt
1413 * from a finally clause after an error.
1414 */
1415 else if (got_int || (did_emsg && force_abort))
1416 suppress_errthrow = TRUE;
1417 }
1418
1419 /*
1420 * The current cstack will be freed when do_cmdline() returns. An uncaught
1421 * exception will have to be rethrown in the previous cstack. If a function
1422 * has just returned or a script file was just finished and the previous
1423 * cstack belongs to the same function or, respectively, script file, it
1424 * will have to be checked for finally clauses to be executed due to the
1425 * ":return" or ":finish". This is done in do_one_cmd().
1426 */
1427 if (did_throw)
1428 need_rethrow = TRUE;
1429 if ((getline_equal(getline, cookie, getsourceline)
1430 && ex_nesting_level > source_level(real_cookie))
1431 || (getline_equal(getline, cookie, get_func_line)
1432 && ex_nesting_level > func_level(real_cookie) + 1))
1433 {
1434 if (!did_throw)
1435 check_cstack = TRUE;
1436 }
1437 else
1438 {
1439 /* When leaving a function, reduce nesting level. */
1440 if (getline_equal(getline, cookie, get_func_line))
1441 --ex_nesting_level;
1442 /*
1443 * Go to debug mode when returning from a function in which we are
1444 * single-stepping.
1445 */
1446 if ((getline_equal(getline, cookie, getsourceline)
1447 || getline_equal(getline, cookie, get_func_line))
1448 && ex_nesting_level + 1 <= debug_break_level)
1449 do_debug(getline_equal(getline, cookie, getsourceline)
1450 ? (char_u *)_("End of sourced file")
1451 : (char_u *)_("End of function"));
1452 }
1453
1454 /*
1455 * Restore the exception environment (done after returning from the
1456 * debugger).
1457 */
1458 if (flags & DOCMD_EXCRESET)
1459 restore_dbg_stuff(&debug_saved);
1460
1461 msg_list = saved_msg_list;
1462 #endif /* FEAT_EVAL */
1463
1464 /*
1465 * If there was too much output to fit on the command line, ask the user to
1466 * hit return before redrawing the screen. With the ":global" command we do
1467 * this only once after the command is finished.
1468 */
1469 if (did_inc)
1470 {
1471 --RedrawingDisabled;
1472 --no_wait_return;
1473 msg_scroll = FALSE;
1474
1475 /*
1476 * When just finished an ":if"-":else" which was typed, no need to
1477 * wait for hit-return. Also for an error situation.
1478 */
1479 if (retval == FAIL
1480 #ifdef FEAT_EVAL
1481 || (did_endif && KeyTyped && !did_emsg)
1482 #endif
1483 )
1484 {
1485 need_wait_return = FALSE;
1486 msg_didany = FALSE; /* don't wait when restarting edit */
1487 }
1488 else if (need_wait_return)
1489 {
1490 /*
1491 * The msg_start() above clears msg_didout. The wait_return we do
1492 * here should not overwrite the command that may be shown before
1493 * doing that.
1494 */
1495 msg_didout |= msg_didout_before_start;
1496 wait_return(FALSE);
1497 }
1498 }
1499
1500 #ifndef FEAT_EVAL
1501 /*
1502 * Reset if_level, in case a sourced script file contains more ":if" than
1503 * ":endif" (could be ":if x | foo | endif").
1504 */
1505 if_level = 0;
1506 #endif
1507
1508 --call_depth;
1509 return retval;
1510 }
1511
1512 #ifdef FEAT_EVAL
1513 /*
1514 * Obtain a line when inside a ":while" or ":for" loop.
1515 */
1516 static char_u *
1517 get_loop_line(c, cookie, indent)
1518 int c;
1519 void *cookie;
1520 int indent;
1521 {
1522 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1523 wcmd_T *wp;
1524 char_u *line;
1525
1526 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1527 {
1528 if (cp->repeating)
1529 return NULL; /* trying to read past ":endwhile"/":endfor" */
1530
1531 /* First time inside the ":while"/":for": get line normally. */
1532 if (cp->getline == NULL)
1533 line = getcmdline(c, 0L, indent);
1534 else
1535 line = cp->getline(c, cp->cookie, indent);
1536 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1537 ++cp->current_line;
1538
1539 return line;
1540 }
1541
1542 KeyTyped = FALSE;
1543 ++cp->current_line;
1544 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1545 sourcing_lnum = wp->lnum;
1546 return vim_strsave(wp->line);
1547 }
1548
1549 /*
1550 * Store a line in "gap" so that a ":while" loop can execute it again.
1551 */
1552 static int
1553 store_loop_line(gap, line)
1554 garray_T *gap;
1555 char_u *line;
1556 {
1557 if (ga_grow(gap, 1) == FAIL)
1558 return FAIL;
1559 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1560 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1561 ++gap->ga_len;
1562 return OK;
1563 }
1564
1565 /*
1566 * Free the lines stored for a ":while" or ":for" loop.
1567 */
1568 static void
1569 free_cmdlines(gap)
1570 garray_T *gap;
1571 {
1572 while (gap->ga_len > 0)
1573 {
1574 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1575 --gap->ga_len;
1576 }
1577 }
1578 #endif
1579
1580 /*
1581 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1582 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1583 */
1584 int
1585 getline_equal(fgetline, cookie, func)
1586 char_u *(*fgetline) __ARGS((int, void *, int));
1587 void *cookie UNUSED; /* argument for fgetline() */
1588 char_u *(*func) __ARGS((int, void *, int));
1589 {
1590 #ifdef FEAT_EVAL
1591 char_u *(*gp) __ARGS((int, void *, int));
1592 struct loop_cookie *cp;
1593
1594 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1595 * function that's originally used to obtain the lines. This may be
1596 * nested several levels. */
1597 gp = fgetline;
1598 cp = (struct loop_cookie *)cookie;
1599 while (gp == get_loop_line)
1600 {
1601 gp = cp->getline;
1602 cp = cp->cookie;
1603 }
1604 return gp == func;
1605 #else
1606 return fgetline == func;
1607 #endif
1608 }
1609
1610 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1611 /*
1612 * If "fgetline" is get_loop_line(), return the cookie used by the original
1613 * getline function. Otherwise return "cookie".
1614 */
1615 void *
1616 getline_cookie(fgetline, cookie)
1617 char_u *(*fgetline) __ARGS((int, void *, int)) UNUSED;
1618 void *cookie; /* argument for fgetline() */
1619 {
1620 # ifdef FEAT_EVAL
1621 char_u *(*gp) __ARGS((int, void *, int));
1622 struct loop_cookie *cp;
1623
1624 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1625 * cookie that's originally used to obtain the lines. This may be nested
1626 * several levels. */
1627 gp = fgetline;
1628 cp = (struct loop_cookie *)cookie;
1629 while (gp == get_loop_line)
1630 {
1631 gp = cp->getline;
1632 cp = cp->cookie;
1633 }
1634 return cp;
1635 # else
1636 return cookie;
1637 # endif
1638 }
1639 #endif
1640
1641 /*
1642 * Execute one Ex command.
1643 *
1644 * If 'sourcing' is TRUE, the command will be included in the error message.
1645 *
1646 * 1. skip comment lines and leading space
1647 * 2. handle command modifiers
1648 * 3. parse range
1649 * 4. parse command
1650 * 5. parse arguments
1651 * 6. switch on command name
1652 *
1653 * Note: "fgetline" can be NULL.
1654 *
1655 * This function may be called recursively!
1656 */
1657 #if (_MSC_VER == 1200)
1658 /*
1659 * Avoid optimisation bug in VC++ version 6.0
1660 */
1661 #pragma optimize( "g", off )
1662 #endif
1663 static char_u *
1664 do_one_cmd(cmdlinep, sourcing,
1665 #ifdef FEAT_EVAL
1666 cstack,
1667 #endif
1668 fgetline, cookie)
1669 char_u **cmdlinep;
1670 int sourcing;
1671 #ifdef FEAT_EVAL
1672 struct condstack *cstack;
1673 #endif
1674 char_u *(*fgetline) __ARGS((int, void *, int));
1675 void *cookie; /* argument for fgetline() */
1676 {
1677 char_u *p;
1678 linenr_T lnum;
1679 long n;
1680 char_u *errormsg = NULL; /* error message */
1681 exarg_T ea; /* Ex command arguments */
1682 long verbose_save = -1;
1683 int save_msg_scroll = msg_scroll;
1684 int save_msg_silent = -1;
1685 int did_esilent = 0;
1686 #ifdef HAVE_SANDBOX
1687 int did_sandbox = FALSE;
1688 #endif
1689 cmdmod_T save_cmdmod;
1690 int ni; /* set when Not Implemented */
1691
1692 vim_memset(&ea, 0, sizeof(ea));
1693 ea.line1 = 1;
1694 ea.line2 = 1;
1695 #ifdef FEAT_EVAL
1696 ++ex_nesting_level;
1697 #endif
1698
1699 /* when not editing the last file :q has to be typed twice */
1700 if (quitmore
1701 #ifdef FEAT_EVAL
1702 /* avoid that a function call in 'statusline' does this */
1703 && !getline_equal(fgetline, cookie, get_func_line)
1704 #endif
1705 )
1706 --quitmore;
1707
1708 /*
1709 * Reset browse, confirm, etc.. They are restored when returning, for
1710 * recursive calls.
1711 */
1712 save_cmdmod = cmdmod;
1713 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1714
1715 /* "#!anything" is handled like a comment. */
1716 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1717 goto doend;
1718
1719 /*
1720 * Repeat until no more command modifiers are found.
1721 */
1722 ea.cmd = *cmdlinep;
1723 for (;;)
1724 {
1725 /*
1726 * 1. skip comment lines and leading white space and colons
1727 */
1728 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1729 ++ea.cmd;
1730
1731 /* in ex mode, an empty line works like :+ */
1732 if (*ea.cmd == NUL && exmode_active
1733 && (getline_equal(fgetline, cookie, getexmodeline)
1734 || getline_equal(fgetline, cookie, getexline))
1735 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1736 {
1737 ea.cmd = (char_u *)"+";
1738 ex_pressedreturn = TRUE;
1739 }
1740
1741 /* ignore comment and empty lines */
1742 if (*ea.cmd == '"')
1743 goto doend;
1744 if (*ea.cmd == NUL)
1745 {
1746 ex_pressedreturn = TRUE;
1747 goto doend;
1748 }
1749
1750 /*
1751 * 2. handle command modifiers.
1752 */
1753 p = ea.cmd;
1754 if (VIM_ISDIGIT(*ea.cmd))
1755 p = skipwhite(skipdigits(ea.cmd));
1756 switch (*p)
1757 {
1758 /* When adding an entry, also modify cmd_exists(). */
1759 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1760 break;
1761 #ifdef FEAT_WINDOWS
1762 cmdmod.split |= WSP_ABOVE;
1763 #endif
1764 continue;
1765
1766 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1767 {
1768 #ifdef FEAT_WINDOWS
1769 cmdmod.split |= WSP_BELOW;
1770 #endif
1771 continue;
1772 }
1773 if (checkforcmd(&ea.cmd, "browse", 3))
1774 {
1775 #ifdef FEAT_BROWSE_CMD
1776 cmdmod.browse = TRUE;
1777 #endif
1778 continue;
1779 }
1780 if (!checkforcmd(&ea.cmd, "botright", 2))
1781 break;
1782 #ifdef FEAT_WINDOWS
1783 cmdmod.split |= WSP_BOT;
1784 #endif
1785 continue;
1786
1787 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1788 break;
1789 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1790 cmdmod.confirm = TRUE;
1791 #endif
1792 continue;
1793
1794 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1795 {
1796 cmdmod.keepmarks = TRUE;
1797 continue;
1798 }
1799 if (checkforcmd(&ea.cmd, "keepalt", 5))
1800 {
1801 cmdmod.keepalt = TRUE;
1802 continue;
1803 }
1804 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1805 break;
1806 cmdmod.keepjumps = TRUE;
1807 continue;
1808
1809 /* ":hide" and ":hide | cmd" are not modifiers */
1810 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1811 || *p == NUL || ends_excmd(*p))
1812 break;
1813 ea.cmd = p;
1814 cmdmod.hide = TRUE;
1815 continue;
1816
1817 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1818 {
1819 cmdmod.lockmarks = TRUE;
1820 continue;
1821 }
1822
1823 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1824 break;
1825 #ifdef FEAT_WINDOWS
1826 cmdmod.split |= WSP_ABOVE;
1827 #endif
1828 continue;
1829
1830 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1831 break;
1832 #ifdef FEAT_AUTOCMD
1833 if (cmdmod.save_ei == NULL)
1834 {
1835 /* Set 'eventignore' to "all". Restore the
1836 * existing option value later. */
1837 cmdmod.save_ei = vim_strsave(p_ei);
1838 set_string_option_direct((char_u *)"ei", -1,
1839 (char_u *)"all", OPT_FREE, SID_NONE);
1840 }
1841 #endif
1842 continue;
1843
1844 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1845 break;
1846 #ifdef FEAT_WINDOWS
1847 cmdmod.split |= WSP_BELOW;
1848 #endif
1849 continue;
1850
1851 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1852 {
1853 #ifdef HAVE_SANDBOX
1854 if (!did_sandbox)
1855 ++sandbox;
1856 did_sandbox = TRUE;
1857 #endif
1858 continue;
1859 }
1860 if (!checkforcmd(&ea.cmd, "silent", 3))
1861 break;
1862 if (save_msg_silent == -1)
1863 save_msg_silent = msg_silent;
1864 ++msg_silent;
1865 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1866 {
1867 /* ":silent!", but not "silent !cmd" */
1868 ea.cmd = skipwhite(ea.cmd + 1);
1869 ++emsg_silent;
1870 ++did_esilent;
1871 }
1872 continue;
1873
1874 case 't': if (checkforcmd(&p, "tab", 3))
1875 {
1876 #ifdef FEAT_WINDOWS
1877 if (vim_isdigit(*ea.cmd))
1878 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1879 else
1880 cmdmod.tab = tabpage_index(curtab) + 1;
1881 ea.cmd = p;
1882 #endif
1883 continue;
1884 }
1885 if (!checkforcmd(&ea.cmd, "topleft", 2))
1886 break;
1887 #ifdef FEAT_WINDOWS
1888 cmdmod.split |= WSP_TOP;
1889 #endif
1890 continue;
1891
1892 case 'u': if (!checkforcmd(&ea.cmd, "unsilent", 3))
1893 break;
1894 if (save_msg_silent == -1)
1895 save_msg_silent = msg_silent;
1896 msg_silent = 0;
1897 continue;
1898
1899 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1900 {
1901 #ifdef FEAT_VERTSPLIT
1902 cmdmod.split |= WSP_VERT;
1903 #endif
1904 continue;
1905 }
1906 if (!checkforcmd(&p, "verbose", 4))
1907 break;
1908 if (verbose_save < 0)
1909 verbose_save = p_verbose;
1910 if (vim_isdigit(*ea.cmd))
1911 p_verbose = atoi((char *)ea.cmd);
1912 else
1913 p_verbose = 1;
1914 ea.cmd = p;
1915 continue;
1916 }
1917 break;
1918 }
1919
1920 #ifdef FEAT_EVAL
1921 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1922 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1923 #else
1924 ea.skip = (if_level > 0);
1925 #endif
1926
1927 #ifdef FEAT_EVAL
1928 # ifdef FEAT_PROFILE
1929 /* Count this line for profiling if ea.skip is FALSE. */
1930 if (do_profiling == PROF_YES && !ea.skip)
1931 {
1932 if (getline_equal(fgetline, cookie, get_func_line))
1933 func_line_exec(getline_cookie(fgetline, cookie));
1934 else if (getline_equal(fgetline, cookie, getsourceline))
1935 script_line_exec();
1936 }
1937 #endif
1938
1939 /* May go to debug mode. If this happens and the ">quit" debug command is
1940 * used, throw an interrupt exception and skip the next command. */
1941 dbg_check_breakpoint(&ea);
1942 if (!ea.skip && got_int)
1943 {
1944 ea.skip = TRUE;
1945 (void)do_intthrow(cstack);
1946 }
1947 #endif
1948
1949 /*
1950 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1951 *
1952 * where 'addr' is:
1953 *
1954 * % (entire file)
1955 * $ [+-NUM]
1956 * 'x [+-NUM] (where x denotes a currently defined mark)
1957 * . [+-NUM]
1958 * [+-NUM]..
1959 * NUM
1960 *
1961 * The ea.cmd pointer is updated to point to the first character following the
1962 * range spec. If an initial address is found, but no second, the upper bound
1963 * is equal to the lower.
1964 */
1965
1966 /* repeat for all ',' or ';' separated addresses */
1967 for (;;)
1968 {
1969 ea.line1 = ea.line2;
1970 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1971 ea.cmd = skipwhite(ea.cmd);
1972 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1973 if (ea.cmd == NULL) /* error detected */
1974 goto doend;
1975 if (lnum == MAXLNUM)
1976 {
1977 if (*ea.cmd == '%') /* '%' - all lines */
1978 {
1979 ++ea.cmd;
1980 ea.line1 = 1;
1981 ea.line2 = curbuf->b_ml.ml_line_count;
1982 ++ea.addr_count;
1983 }
1984 /* '*' - visual area */
1985 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1986 {
1987 pos_T *fp;
1988
1989 ++ea.cmd;
1990 if (!ea.skip)
1991 {
1992 fp = getmark('<', FALSE);
1993 if (check_mark(fp) == FAIL)
1994 goto doend;
1995 ea.line1 = fp->lnum;
1996 fp = getmark('>', FALSE);
1997 if (check_mark(fp) == FAIL)
1998 goto doend;
1999 ea.line2 = fp->lnum;
2000 ++ea.addr_count;
2001 }
2002 }
2003 }
2004 else
2005 ea.line2 = lnum;
2006 ea.addr_count++;
2007
2008 if (*ea.cmd == ';')
2009 {
2010 if (!ea.skip)
2011 curwin->w_cursor.lnum = ea.line2;
2012 }
2013 else if (*ea.cmd != ',')
2014 break;
2015 ++ea.cmd;
2016 }
2017
2018 /* One address given: set start and end lines */
2019 if (ea.addr_count == 1)
2020 {
2021 ea.line1 = ea.line2;
2022 /* ... but only implicit: really no address given */
2023 if (lnum == MAXLNUM)
2024 ea.addr_count = 0;
2025 }
2026
2027 /* Don't leave the cursor on an illegal line (caused by ';') */
2028 check_cursor_lnum();
2029
2030 /*
2031 * 4. parse command
2032 */
2033
2034 /*
2035 * Skip ':' and any white space
2036 */
2037 ea.cmd = skipwhite(ea.cmd);
2038 while (*ea.cmd == ':')
2039 ea.cmd = skipwhite(ea.cmd + 1);
2040
2041 /*
2042 * If we got a line, but no command, then go to the line.
2043 * If we find a '|' or '\n' we set ea.nextcmd.
2044 */
2045 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2046 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2047 {
2048 /*
2049 * strange vi behaviour:
2050 * ":3" jumps to line 3
2051 * ":3|..." prints line 3
2052 * ":|" prints current line
2053 */
2054 if (ea.skip) /* skip this if inside :if */
2055 goto doend;
2056 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2057 {
2058 ea.cmdidx = CMD_print;
2059 ea.argt = RANGE+COUNT+TRLBAR;
2060 if ((errormsg = invalid_range(&ea)) == NULL)
2061 {
2062 correct_range(&ea);
2063 ex_print(&ea);
2064 }
2065 }
2066 else if (ea.addr_count != 0)
2067 {
2068 if (ea.line2 > curbuf->b_ml.ml_line_count)
2069 {
2070 /* With '-' in 'cpoptions' a line number past the file is an
2071 * error, otherwise put it at the end of the file. */
2072 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2073 ea.line2 = -1;
2074 else
2075 ea.line2 = curbuf->b_ml.ml_line_count;
2076 }
2077
2078 if (ea.line2 < 0)
2079 errormsg = (char_u *)_(e_invrange);
2080 else
2081 {
2082 if (ea.line2 == 0)
2083 curwin->w_cursor.lnum = 1;
2084 else
2085 curwin->w_cursor.lnum = ea.line2;
2086 beginline(BL_SOL | BL_FIX);
2087 }
2088 }
2089 goto doend;
2090 }
2091
2092 /* Find the command and let "p" point to after it. */
2093 p = find_command(&ea, NULL);
2094
2095 #ifdef FEAT_USR_CMDS
2096 if (p == NULL)
2097 {
2098 if (!ea.skip)
2099 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2100 goto doend;
2101 }
2102 /* Check for wrong commands. */
2103 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2104 {
2105 errormsg = uc_fun_cmd();
2106 goto doend;
2107 }
2108 #endif
2109 if (ea.cmdidx == CMD_SIZE)
2110 {
2111 if (!ea.skip)
2112 {
2113 STRCPY(IObuff, _("E492: Not an editor command"));
2114 if (!sourcing)
2115 {
2116 STRCAT(IObuff, ": ");
2117 STRNCAT(IObuff, *cmdlinep, 40);
2118 }
2119 errormsg = IObuff;
2120 }
2121 goto doend;
2122 }
2123
2124 ni = (
2125 #ifdef FEAT_USR_CMDS
2126 !USER_CMDIDX(ea.cmdidx) &&
2127 #endif
2128 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2129 #ifdef HAVE_EX_SCRIPT_NI
2130 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2131 #endif
2132 ));
2133
2134 #ifndef FEAT_EVAL
2135 /*
2136 * When the expression evaluation is disabled, recognize the ":if" and
2137 * ":endif" commands and ignore everything in between it.
2138 */
2139 if (ea.cmdidx == CMD_if)
2140 ++if_level;
2141 if (if_level)
2142 {
2143 if (ea.cmdidx == CMD_endif)
2144 --if_level;
2145 goto doend;
2146 }
2147
2148 #endif
2149
2150 /* forced commands */
2151 if (*p == '!' && ea.cmdidx != CMD_substitute
2152 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2153 {
2154 ++p;
2155 ea.forceit = TRUE;
2156 }
2157 else
2158 ea.forceit = FALSE;
2159
2160 /*
2161 * 5. parse arguments
2162 */
2163 #ifdef FEAT_USR_CMDS
2164 if (!USER_CMDIDX(ea.cmdidx))
2165 #endif
2166 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2167
2168 if (!ea.skip)
2169 {
2170 #ifdef HAVE_SANDBOX
2171 if (sandbox != 0 && !(ea.argt & SBOXOK))
2172 {
2173 /* Command not allowed in sandbox. */
2174 errormsg = (char_u *)_(e_sandbox);
2175 goto doend;
2176 }
2177 #endif
2178 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2179 {
2180 /* Command not allowed in non-'modifiable' buffer */
2181 errormsg = (char_u *)_(e_modifiable);
2182 goto doend;
2183 }
2184
2185 if (text_locked() && !(ea.argt & CMDWIN)
2186 # ifdef FEAT_USR_CMDS
2187 && !USER_CMDIDX(ea.cmdidx)
2188 # endif
2189 )
2190 {
2191 /* Command not allowed when editing the command line. */
2192 #ifdef FEAT_CMDWIN
2193 if (cmdwin_type != 0)
2194 errormsg = (char_u *)_(e_cmdwin);
2195 else
2196 #endif
2197 errormsg = (char_u *)_(e_secure);
2198 goto doend;
2199 }
2200 #ifdef FEAT_AUTOCMD
2201 /* Disallow editing another buffer when "curbuf_lock" is set.
2202 * Do allow ":edit" (check for argument later).
2203 * Do allow ":checktime" (it's postponed). */
2204 if (!(ea.argt & CMDWIN)
2205 && ea.cmdidx != CMD_edit
2206 && ea.cmdidx != CMD_checktime
2207 # ifdef FEAT_USR_CMDS
2208 && !USER_CMDIDX(ea.cmdidx)
2209 # endif
2210 && curbuf_locked())
2211 goto doend;
2212 #endif
2213
2214 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2215 {
2216 /* no range allowed */
2217 errormsg = (char_u *)_(e_norange);
2218 goto doend;
2219 }
2220 }
2221
2222 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2223 {
2224 errormsg = (char_u *)_(e_nobang);
2225 goto doend;
2226 }
2227
2228 /*
2229 * Don't complain about the range if it is not used
2230 * (could happen if line_count is accidentally set to 0).
2231 */
2232 if (!ea.skip && !ni)
2233 {
2234 /*
2235 * If the range is backwards, ask for confirmation and, if given, swap
2236 * ea.line1 & ea.line2 so it's forwards again.
2237 * When global command is busy, don't ask, will fail below.
2238 */
2239 if (!global_busy && ea.line1 > ea.line2)
2240 {
2241 if (msg_silent == 0)
2242 {
2243 if (sourcing || exmode_active)
2244 {
2245 errormsg = (char_u *)_("E493: Backwards range given");
2246 goto doend;
2247 }
2248 if (ask_yesno((char_u *)
2249 _("Backwards range given, OK to swap"), FALSE) != 'y')
2250 goto doend;
2251 }
2252 lnum = ea.line1;
2253 ea.line1 = ea.line2;
2254 ea.line2 = lnum;
2255 }
2256 if ((errormsg = invalid_range(&ea)) != NULL)
2257 goto doend;
2258 }
2259
2260 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2261 ea.line2 = 1;
2262
2263 correct_range(&ea);
2264
2265 #ifdef FEAT_FOLDING
2266 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2267 {
2268 /* Put the first line at the start of a closed fold, put the last line
2269 * at the end of a closed fold. */
2270 (void)hasFolding(ea.line1, &ea.line1, NULL);
2271 (void)hasFolding(ea.line2, NULL, &ea.line2);
2272 }
2273 #endif
2274
2275 #ifdef FEAT_QUICKFIX
2276 /*
2277 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2278 * option here, so things like % get expanded.
2279 */
2280 p = replace_makeprg(&ea, p, cmdlinep);
2281 if (p == NULL)
2282 goto doend;
2283 #endif
2284
2285 /*
2286 * Skip to start of argument.
2287 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2288 */
2289 if (ea.cmdidx == CMD_bang)
2290 ea.arg = p;
2291 else
2292 ea.arg = skipwhite(p);
2293
2294 /*
2295 * Check for "++opt=val" argument.
2296 * Must be first, allow ":w ++enc=utf8 !cmd"
2297 */
2298 if (ea.argt & ARGOPT)
2299 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2300 if (getargopt(&ea) == FAIL && !ni)
2301 {
2302 errormsg = (char_u *)_(e_invarg);
2303 goto doend;
2304 }
2305
2306 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2307 {
2308 if (*ea.arg == '>') /* append */
2309 {
2310 if (*++ea.arg != '>') /* typed wrong */
2311 {
2312 errormsg = (char_u *)_("E494: Use w or w>>");
2313 goto doend;
2314 }
2315 ea.arg = skipwhite(ea.arg + 1);
2316 ea.append = TRUE;
2317 }
2318 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2319 {
2320 ++ea.arg;
2321 ea.usefilter = TRUE;
2322 }
2323 }
2324
2325 if (ea.cmdidx == CMD_read)
2326 {
2327 if (ea.forceit)
2328 {
2329 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2330 ea.forceit = FALSE;
2331 }
2332 else if (*ea.arg == '!') /* :r !filter */
2333 {
2334 ++ea.arg;
2335 ea.usefilter = TRUE;
2336 }
2337 }
2338
2339 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2340 {
2341 ea.amount = 1;
2342 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2343 {
2344 ++ea.arg;
2345 ++ea.amount;
2346 }
2347 ea.arg = skipwhite(ea.arg);
2348 }
2349
2350 /*
2351 * Check for "+command" argument, before checking for next command.
2352 * Don't do this for ":read !cmd" and ":write !cmd".
2353 */
2354 if ((ea.argt & EDITCMD) && !ea.usefilter)
2355 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2356
2357 /*
2358 * Check for '|' to separate commands and '"' to start comments.
2359 * Don't do this for ":read !cmd" and ":write !cmd".
2360 */
2361 if ((ea.argt & TRLBAR) && !ea.usefilter)
2362 separate_nextcmd(&ea);
2363
2364 /*
2365 * Check for <newline> to end a shell command.
2366 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2367 * Any others?
2368 */
2369 else if (ea.cmdidx == CMD_bang
2370 || ea.cmdidx == CMD_global
2371 || ea.cmdidx == CMD_vglobal
2372 || ea.usefilter)
2373 {
2374 for (p = ea.arg; *p; ++p)
2375 {
2376 /* Remove one backslash before a newline, so that it's possible to
2377 * pass a newline to the shell and also a newline that is preceded
2378 * with a backslash. This makes it impossible to end a shell
2379 * command in a backslash, but that doesn't appear useful.
2380 * Halving the number of backslashes is incompatible with previous
2381 * versions. */
2382 if (*p == '\\' && p[1] == '\n')
2383 STRMOVE(p, p + 1);
2384 else if (*p == '\n')
2385 {
2386 ea.nextcmd = p + 1;
2387 *p = NUL;
2388 break;
2389 }
2390 }
2391 }
2392
2393 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2394 {
2395 ea.line1 = 1;
2396 ea.line2 = curbuf->b_ml.ml_line_count;
2397 }
2398
2399 /* accept numbered register only when no count allowed (:put) */
2400 if ( (ea.argt & REGSTR)
2401 && *ea.arg != NUL
2402 #ifdef FEAT_USR_CMDS
2403 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2404 && USER_CMDIDX(ea.cmdidx)))
2405 /* Do not allow register = for user commands */
2406 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2407 #else
2408 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2409 #endif
2410 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2411 {
2412 ea.regname = *ea.arg++;
2413 #ifdef FEAT_EVAL
2414 /* for '=' register: accept the rest of the line as an expression */
2415 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2416 {
2417 set_expr_line(vim_strsave(ea.arg));
2418 ea.arg += STRLEN(ea.arg);
2419 }
2420 #endif
2421 ea.arg = skipwhite(ea.arg);
2422 }
2423
2424 /*
2425 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2426 * count, it's a buffer name.
2427 */
2428 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2429 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2430 || vim_iswhite(*p)))
2431 {
2432 n = getdigits(&ea.arg);
2433 ea.arg = skipwhite(ea.arg);
2434 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2435 {
2436 errormsg = (char_u *)_(e_zerocount);
2437 goto doend;
2438 }
2439 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2440 {
2441 ea.line2 = n;
2442 if (ea.addr_count == 0)
2443 ea.addr_count = 1;
2444 }
2445 else
2446 {
2447 ea.line1 = ea.line2;
2448 ea.line2 += n - 1;
2449 ++ea.addr_count;
2450 /*
2451 * Be vi compatible: no error message for out of range.
2452 */
2453 if (ea.line2 > curbuf->b_ml.ml_line_count)
2454 ea.line2 = curbuf->b_ml.ml_line_count;
2455 }
2456 }
2457
2458 /*
2459 * Check for flags: 'l', 'p' and '#'.
2460 */
2461 if (ea.argt & EXFLAGS)
2462 get_flags(&ea);
2463 /* no arguments allowed */
2464 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2465 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2466 {
2467 errormsg = (char_u *)_(e_trailing);
2468 goto doend;
2469 }
2470
2471 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2472 {
2473 errormsg = (char_u *)_(e_argreq);
2474 goto doend;
2475 }
2476
2477 #ifdef FEAT_EVAL
2478 /*
2479 * Skip the command when it's not going to be executed.
2480 * The commands like :if, :endif, etc. always need to be executed.
2481 * Also make an exception for commands that handle a trailing command
2482 * themselves.
2483 */
2484 if (ea.skip)
2485 {
2486 switch (ea.cmdidx)
2487 {
2488 /* commands that need evaluation */
2489 case CMD_while:
2490 case CMD_endwhile:
2491 case CMD_for:
2492 case CMD_endfor:
2493 case CMD_if:
2494 case CMD_elseif:
2495 case CMD_else:
2496 case CMD_endif:
2497 case CMD_try:
2498 case CMD_catch:
2499 case CMD_finally:
2500 case CMD_endtry:
2501 case CMD_function:
2502 break;
2503
2504 /* Commands that handle '|' themselves. Check: A command should
2505 * either have the TRLBAR flag, appear in this list or appear in
2506 * the list at ":help :bar". */
2507 case CMD_aboveleft:
2508 case CMD_and:
2509 case CMD_belowright:
2510 case CMD_botright:
2511 case CMD_browse:
2512 case CMD_call:
2513 case CMD_confirm:
2514 case CMD_delfunction:
2515 case CMD_djump:
2516 case CMD_dlist:
2517 case CMD_dsearch:
2518 case CMD_dsplit:
2519 case CMD_echo:
2520 case CMD_echoerr:
2521 case CMD_echomsg:
2522 case CMD_echon:
2523 case CMD_execute:
2524 case CMD_help:
2525 case CMD_hide:
2526 case CMD_ijump:
2527 case CMD_ilist:
2528 case CMD_isearch:
2529 case CMD_isplit:
2530 case CMD_keepalt:
2531 case CMD_keepjumps:
2532 case CMD_keepmarks:
2533 case CMD_leftabove:
2534 case CMD_let:
2535 case CMD_lockmarks:
2536 case CMD_match:
2537 case CMD_mzscheme:
2538 case CMD_perl:
2539 case CMD_psearch:
2540 case CMD_python:
2541 case CMD_return:
2542 case CMD_rightbelow:
2543 case CMD_ruby:
2544 case CMD_silent:
2545 case CMD_smagic:
2546 case CMD_snomagic:
2547 case CMD_substitute:
2548 case CMD_syntax:
2549 case CMD_tab:
2550 case CMD_tcl:
2551 case CMD_throw:
2552 case CMD_tilde:
2553 case CMD_topleft:
2554 case CMD_unlet:
2555 case CMD_verbose:
2556 case CMD_vertical:
2557 break;
2558
2559 default: goto doend;
2560 }
2561 }
2562 #endif
2563
2564 if (ea.argt & XFILE)
2565 {
2566 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2567 goto doend;
2568 }
2569
2570 #ifdef FEAT_LISTCMDS
2571 /*
2572 * Accept buffer name. Cannot be used at the same time with a buffer
2573 * number. Don't do this for a user command.
2574 */
2575 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2576 # ifdef FEAT_USR_CMDS
2577 && !USER_CMDIDX(ea.cmdidx)
2578 # endif
2579 )
2580 {
2581 /*
2582 * :bdelete, :bwipeout and :bunload take several arguments, separated
2583 * by spaces: find next space (skipping over escaped characters).
2584 * The others take one argument: ignore trailing spaces.
2585 */
2586 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2587 || ea.cmdidx == CMD_bunload)
2588 p = skiptowhite_esc(ea.arg);
2589 else
2590 {
2591 p = ea.arg + STRLEN(ea.arg);
2592 while (p > ea.arg && vim_iswhite(p[-1]))
2593 --p;
2594 }
2595 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2596 if (ea.line2 < 0) /* failed */
2597 goto doend;
2598 ea.addr_count = 1;
2599 ea.arg = skipwhite(p);
2600 }
2601 #endif
2602
2603 /*
2604 * 6. switch on command name
2605 *
2606 * The "ea" structure holds the arguments that can be used.
2607 */
2608 ea.cmdlinep = cmdlinep;
2609 ea.getline = fgetline;
2610 ea.cookie = cookie;
2611 #ifdef FEAT_EVAL
2612 ea.cstack = cstack;
2613 #endif
2614
2615 #ifdef FEAT_USR_CMDS
2616 if (USER_CMDIDX(ea.cmdidx))
2617 {
2618 /*
2619 * Execute a user-defined command.
2620 */
2621 do_ucmd(&ea);
2622 }
2623 else
2624 #endif
2625 {
2626 /*
2627 * Call the function to execute the command.
2628 */
2629 ea.errmsg = NULL;
2630 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2631 if (ea.errmsg != NULL)
2632 errormsg = (char_u *)_(ea.errmsg);
2633 }
2634
2635 #ifdef FEAT_EVAL
2636 /*
2637 * If the command just executed called do_cmdline(), any throw or ":return"
2638 * or ":finish" encountered there must also check the cstack of the still
2639 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2640 * exception, or reanimate a returned function or finished script file and
2641 * return or finish it again.
2642 */
2643 if (need_rethrow)
2644 do_throw(cstack);
2645 else if (check_cstack)
2646 {
2647 if (source_finished(fgetline, cookie))
2648 do_finish(&ea, TRUE);
2649 else if (getline_equal(fgetline, cookie, get_func_line)
2650 && current_func_returned())
2651 do_return(&ea, TRUE, FALSE, NULL);
2652 }
2653 need_rethrow = check_cstack = FALSE;
2654 #endif
2655
2656 doend:
2657 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2658 curwin->w_cursor.lnum = 1;
2659
2660 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2661 {
2662 if (sourcing)
2663 {
2664 if (errormsg != IObuff)
2665 {
2666 STRCPY(IObuff, errormsg);
2667 errormsg = IObuff;
2668 }
2669 STRCAT(errormsg, ": ");
2670 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2671 }
2672 emsg(errormsg);
2673 }
2674 #ifdef FEAT_EVAL
2675 do_errthrow(cstack,
2676 (ea.cmdidx != CMD_SIZE
2677 # ifdef FEAT_USR_CMDS
2678 && !USER_CMDIDX(ea.cmdidx)
2679 # endif
2680 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2681 #endif
2682
2683 if (verbose_save >= 0)
2684 p_verbose = verbose_save;
2685 #ifdef FEAT_AUTOCMD
2686 if (cmdmod.save_ei != NULL)
2687 {
2688 /* Restore 'eventignore' to the value before ":noautocmd". */
2689 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2690 OPT_FREE, SID_NONE);
2691 free_string_option(cmdmod.save_ei);
2692 }
2693 #endif
2694
2695 cmdmod = save_cmdmod;
2696
2697 if (save_msg_silent != -1)
2698 {
2699 /* messages could be enabled for a serious error, need to check if the
2700 * counters don't become negative */
2701 if (!did_emsg || msg_silent > save_msg_silent)
2702 msg_silent = save_msg_silent;
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 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2711 * somewhere in the line. Put it back in the first column. */
2712 if (redirecting())
2713 msg_col = 0;
2714 }
2715
2716 #ifdef HAVE_SANDBOX
2717 if (did_sandbox)
2718 --sandbox;
2719 #endif
2720
2721 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2722 ea.nextcmd = NULL;
2723
2724 #ifdef FEAT_EVAL
2725 --ex_nesting_level;
2726 #endif
2727
2728 return ea.nextcmd;
2729 }
2730 #if (_MSC_VER == 1200)
2731 #pragma optimize( "", on )
2732 #endif
2733
2734 /*
2735 * Check for an Ex command with optional tail.
2736 * If there is a match advance "pp" to the argument and return TRUE.
2737 */
2738 int
2739 checkforcmd(pp, cmd, len)
2740 char_u **pp; /* start of command */
2741 char *cmd; /* name of command */
2742 int len; /* required length */
2743 {
2744 int i;
2745
2746 for (i = 0; cmd[i] != NUL; ++i)
2747 if (((char_u *)cmd)[i] != (*pp)[i])
2748 break;
2749 if (i >= len && !isalpha((*pp)[i]))
2750 {
2751 *pp = skipwhite(*pp + i);
2752 return TRUE;
2753 }
2754 return FALSE;
2755 }
2756
2757 /*
2758 * Find an Ex command by its name, either built-in or user.
2759 * Start of the name can be found at eap->cmd.
2760 * Returns pointer to char after the command name.
2761 * "full" is set to TRUE if the whole command name matched.
2762 * Returns NULL for an ambiguous user command.
2763 */
2764 static char_u *
2765 find_command(eap, full)
2766 exarg_T *eap;
2767 int *full UNUSED;
2768 {
2769 int len;
2770 char_u *p;
2771 int i;
2772
2773 /*
2774 * Isolate the command and search for it in the command table.
2775 * Exceptions:
2776 * - the 'k' command can directly be followed by any character.
2777 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2778 * but :sre[wind] is another command, as are :scrip[tnames],
2779 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2780 * - the "d" command can directly be followed by 'l' or 'p' flag.
2781 */
2782 p = eap->cmd;
2783 if (*p == 'k')
2784 {
2785 eap->cmdidx = CMD_k;
2786 ++p;
2787 }
2788 else if (p[0] == 's'
2789 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2790 && p[3] != 'i' && p[4] != 'p')
2791 || p[1] == 'g'
2792 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2793 || p[1] == 'I'
2794 || (p[1] == 'r' && p[2] != 'e')))
2795 {
2796 eap->cmdidx = CMD_substitute;
2797 ++p;
2798 }
2799 else
2800 {
2801 while (ASCII_ISALPHA(*p))
2802 ++p;
2803 /* check for non-alpha command */
2804 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2805 ++p;
2806 len = (int)(p - eap->cmd);
2807 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2808 {
2809 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2810 * :delete with the 'l' flag. Same for 'p'. */
2811 for (i = 0; i < len; ++i)
2812 if (eap->cmd[i] != ((char_u *)"delete")[i])
2813 break;
2814 if (i == len - 1)
2815 {
2816 --len;
2817 if (p[-1] == 'l')
2818 eap->flags |= EXFLAG_LIST;
2819 else
2820 eap->flags |= EXFLAG_PRINT;
2821 }
2822 }
2823
2824 if (ASCII_ISLOWER(*eap->cmd))
2825 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2826 else
2827 eap->cmdidx = cmdidxs[26];
2828
2829 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2830 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2831 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2832 (size_t)len) == 0)
2833 {
2834 #ifdef FEAT_EVAL
2835 if (full != NULL
2836 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2837 *full = TRUE;
2838 #endif
2839 break;
2840 }
2841
2842 #ifdef FEAT_USR_CMDS
2843 /* Look for a user defined command as a last resort */
2844 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2845 {
2846 /* User defined commands may contain digits. */
2847 while (ASCII_ISALNUM(*p))
2848 ++p;
2849 p = find_ucmd(eap, p, full, NULL, NULL);
2850 }
2851 #endif
2852 if (p == eap->cmd)
2853 eap->cmdidx = CMD_SIZE;
2854 }
2855
2856 return p;
2857 }
2858
2859 #ifdef FEAT_USR_CMDS
2860 /*
2861 * Search for a user command that matches "eap->cmd".
2862 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2863 * Return a pointer to just after the command.
2864 * Return NULL if there is no matching command.
2865 */
2866 static char_u *
2867 find_ucmd(eap, p, full, xp, compl)
2868 exarg_T *eap;
2869 char_u *p; /* end of the command (possibly including count) */
2870 int *full; /* set to TRUE for a full match */
2871 expand_T *xp; /* used for completion, NULL otherwise */
2872 int *compl; /* completion flags or NULL */
2873 {
2874 int len = (int)(p - eap->cmd);
2875 int j, k, matchlen = 0;
2876 ucmd_T *uc;
2877 int found = FALSE;
2878 int possible = FALSE;
2879 char_u *cp, *np; /* Point into typed cmd and test name */
2880 garray_T *gap;
2881 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2882 only full match global is accepted. */
2883
2884 /*
2885 * Look for buffer-local user commands first, then global ones.
2886 */
2887 gap = &curbuf->b_ucmds;
2888 for (;;)
2889 {
2890 for (j = 0; j < gap->ga_len; ++j)
2891 {
2892 uc = USER_CMD_GA(gap, j);
2893 cp = eap->cmd;
2894 np = uc->uc_name;
2895 k = 0;
2896 while (k < len && *np != NUL && *cp++ == *np++)
2897 k++;
2898 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2899 {
2900 /* If finding a second match, the command is ambiguous. But
2901 * not if a buffer-local command wasn't a full match and a
2902 * global command is a full match. */
2903 if (k == len && found && *np != NUL)
2904 {
2905 if (gap == &ucmds)
2906 return NULL;
2907 amb_local = TRUE;
2908 }
2909
2910 if (!found || (k == len && *np == NUL))
2911 {
2912 /* If we matched up to a digit, then there could
2913 * be another command including the digit that we
2914 * should use instead.
2915 */
2916 if (k == len)
2917 found = TRUE;
2918 else
2919 possible = TRUE;
2920
2921 if (gap == &ucmds)
2922 eap->cmdidx = CMD_USER;
2923 else
2924 eap->cmdidx = CMD_USER_BUF;
2925 eap->argt = (long)uc->uc_argt;
2926 eap->useridx = j;
2927
2928 # ifdef FEAT_CMDL_COMPL
2929 if (compl != NULL)
2930 *compl = uc->uc_compl;
2931 # ifdef FEAT_EVAL
2932 if (xp != NULL)
2933 {
2934 xp->xp_arg = uc->uc_compl_arg;
2935 xp->xp_scriptID = uc->uc_scriptID;
2936 }
2937 # endif
2938 # endif
2939 /* Do not search for further abbreviations
2940 * if this is an exact match. */
2941 matchlen = k;
2942 if (k == len && *np == NUL)
2943 {
2944 if (full != NULL)
2945 *full = TRUE;
2946 amb_local = FALSE;
2947 break;
2948 }
2949 }
2950 }
2951 }
2952
2953 /* Stop if we found a full match or searched all. */
2954 if (j < gap->ga_len || gap == &ucmds)
2955 break;
2956 gap = &ucmds;
2957 }
2958
2959 /* Only found ambiguous matches. */
2960 if (amb_local)
2961 {
2962 if (xp != NULL)
2963 xp->xp_context = EXPAND_UNSUCCESSFUL;
2964 return NULL;
2965 }
2966
2967 /* The match we found may be followed immediately by a number. Move "p"
2968 * back to point to it. */
2969 if (found || possible)
2970 return p + (matchlen - len);
2971 return p;
2972 }
2973 #endif
2974
2975 #if defined(FEAT_EVAL) || defined(PROTO)
2976 static struct cmdmod
2977 {
2978 char *name;
2979 int minlen;
2980 int has_count; /* :123verbose :3tab */
2981 } cmdmods[] = {
2982 {"aboveleft", 3, FALSE},
2983 {"belowright", 3, FALSE},
2984 {"botright", 2, FALSE},
2985 {"browse", 3, FALSE},
2986 {"confirm", 4, FALSE},
2987 {"hide", 3, FALSE},
2988 {"keepalt", 5, FALSE},
2989 {"keepjumps", 5, FALSE},
2990 {"keepmarks", 3, FALSE},
2991 {"leftabove", 5, FALSE},
2992 {"lockmarks", 3, FALSE},
2993 {"noautocmd", 3, FALSE},
2994 {"rightbelow", 6, FALSE},
2995 {"sandbox", 3, FALSE},
2996 {"silent", 3, FALSE},
2997 {"tab", 3, TRUE},
2998 {"topleft", 2, FALSE},
2999 {"unsilent", 3, FALSE},
3000 {"verbose", 4, TRUE},
3001 {"vertical", 4, FALSE},
3002 };
3003
3004 /*
3005 * Return length of a command modifier (including optional count).
3006 * Return zero when it's not a modifier.
3007 */
3008 int
3009 modifier_len(cmd)
3010 char_u *cmd;
3011 {
3012 int i, j;
3013 char_u *p = cmd;
3014
3015 if (VIM_ISDIGIT(*cmd))
3016 p = skipwhite(skipdigits(cmd));
3017 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3018 {
3019 for (j = 0; p[j] != NUL; ++j)
3020 if (p[j] != cmdmods[i].name[j])
3021 break;
3022 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3023 && (p == cmd || cmdmods[i].has_count))
3024 return j + (int)(p - cmd);
3025 }
3026 return 0;
3027 }
3028
3029 /*
3030 * Return > 0 if an Ex command "name" exists.
3031 * Return 2 if there is an exact match.
3032 * Return 3 if there is an ambiguous match.
3033 */
3034 int
3035 cmd_exists(name)
3036 char_u *name;
3037 {
3038 exarg_T ea;
3039 int full = FALSE;
3040 int i;
3041 int j;
3042 char_u *p;
3043
3044 /* Check command modifiers. */
3045 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3046 {
3047 for (j = 0; name[j] != NUL; ++j)
3048 if (name[j] != cmdmods[i].name[j])
3049 break;
3050 if (name[j] == NUL && j >= cmdmods[i].minlen)
3051 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3052 }
3053
3054 /* Check built-in commands and user defined commands.
3055 * For ":2match" and ":3match" we need to skip the number. */
3056 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3057 ea.cmdidx = (cmdidx_T)0;
3058 p = find_command(&ea, &full);
3059 if (p == NULL)
3060 return 3;
3061 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3062 return 0;
3063 if (*skipwhite(p) != NUL)
3064 return 0; /* trailing garbage */
3065 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3066 }
3067 #endif
3068
3069 /*
3070 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3071 * we don't need/want deleted. Maybe this could be done better if we didn't
3072 * repeat all this stuff. The only problem is that they may not stay
3073 * perfectly compatible with each other, but then the command line syntax
3074 * probably won't change that much -- webb.
3075 */
3076 char_u *
3077 set_one_cmd_context(xp, buff)
3078 expand_T *xp;
3079 char_u *buff; /* buffer for command string */
3080 {
3081 char_u *p;
3082 char_u *cmd, *arg;
3083 int len = 0;
3084 exarg_T ea;
3085 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3086 int compl = EXPAND_NOTHING;
3087 #endif
3088 #ifdef FEAT_CMDL_COMPL
3089 int delim;
3090 #endif
3091 int forceit = FALSE;
3092 int usefilter = FALSE; /* filter instead of file name */
3093
3094 ExpandInit(xp);
3095 xp->xp_pattern = buff;
3096 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3097 ea.argt = 0;
3098
3099 /*
3100 * 2. skip comment lines and leading space, colons or bars
3101 */
3102 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3103 ;
3104 xp->xp_pattern = cmd;
3105
3106 if (*cmd == NUL)
3107 return NULL;
3108 if (*cmd == '"') /* ignore comment lines */
3109 {
3110 xp->xp_context = EXPAND_NOTHING;
3111 return NULL;
3112 }
3113
3114 /*
3115 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3116 */
3117 cmd = skip_range(cmd, &xp->xp_context);
3118
3119 /*
3120 * 4. parse command
3121 */
3122 xp->xp_pattern = cmd;
3123 if (*cmd == NUL)
3124 return NULL;
3125 if (*cmd == '"')
3126 {
3127 xp->xp_context = EXPAND_NOTHING;
3128 return NULL;
3129 }
3130
3131 if (*cmd == '|' || *cmd == '\n')
3132 return cmd + 1; /* There's another command */
3133
3134 /*
3135 * Isolate the command and search for it in the command table.
3136 * Exceptions:
3137 * - the 'k' command can directly be followed by any character, but
3138 * do accept "keepmarks", "keepalt" and "keepjumps".
3139 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3140 */
3141 if (*cmd == 'k' && cmd[1] != 'e')
3142 {
3143 ea.cmdidx = CMD_k;
3144 p = cmd + 1;
3145 }
3146 else
3147 {
3148 p = cmd;
3149 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3150 ++p;
3151 /* check for non-alpha command */
3152 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3153 ++p;
3154 len = (int)(p - cmd);
3155
3156 if (len == 0)
3157 {
3158 xp->xp_context = EXPAND_UNSUCCESSFUL;
3159 return NULL;
3160 }
3161 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3162 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3163 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd,
3164 (size_t)len) == 0)
3165 break;
3166
3167 #ifdef FEAT_USR_CMDS
3168 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3169 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3170 ++p;
3171 #endif
3172 }
3173
3174 /*
3175 * If the cursor is touching the command, and it ends in an alpha-numeric
3176 * character, complete the command name.
3177 */
3178 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3179 return NULL;
3180
3181 if (ea.cmdidx == CMD_SIZE)
3182 {
3183 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3184 {
3185 ea.cmdidx = CMD_substitute;
3186 p = cmd + 1;
3187 }
3188 #ifdef FEAT_USR_CMDS
3189 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3190 {
3191 ea.cmd = cmd;
3192 p = find_ucmd(&ea, p, NULL, xp,
3193 # if defined(FEAT_CMDL_COMPL)
3194 &compl
3195 # else
3196 NULL
3197 # endif
3198 );
3199 if (p == NULL)
3200 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3201 }
3202 #endif
3203 }
3204 if (ea.cmdidx == CMD_SIZE)
3205 {
3206 /* Not still touching the command and it was an illegal one */
3207 xp->xp_context = EXPAND_UNSUCCESSFUL;
3208 return NULL;
3209 }
3210
3211 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3212
3213 if (*p == '!') /* forced commands */
3214 {
3215 forceit = TRUE;
3216 ++p;
3217 }
3218
3219 /*
3220 * 5. parse arguments
3221 */
3222 #ifdef FEAT_USR_CMDS
3223 if (!USER_CMDIDX(ea.cmdidx))
3224 #endif
3225 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3226
3227 arg = skipwhite(p);
3228
3229 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3230 {
3231 if (*arg == '>') /* append */
3232 {
3233 if (*++arg == '>')
3234 ++arg;
3235 arg = skipwhite(arg);
3236 }
3237 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3238 {
3239 ++arg;
3240 usefilter = TRUE;
3241 }
3242 }
3243
3244 if (ea.cmdidx == CMD_read)
3245 {
3246 usefilter = forceit; /* :r! filter if forced */
3247 if (*arg == '!') /* :r !filter */
3248 {
3249 ++arg;
3250 usefilter = TRUE;
3251 }
3252 }
3253
3254 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3255 {
3256 while (*arg == *cmd) /* allow any number of '>' or '<' */
3257 ++arg;
3258 arg = skipwhite(arg);
3259 }
3260
3261 /* Does command allow "+command"? */
3262 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3263 {
3264 /* Check if we're in the +command */
3265 p = arg + 1;
3266 arg = skip_cmd_arg(arg, FALSE);
3267
3268 /* Still touching the command after '+'? */
3269 if (*arg == NUL)
3270 return p;
3271
3272 /* Skip space(s) after +command to get to the real argument */
3273 arg = skipwhite(arg);
3274 }
3275
3276 /*
3277 * Check for '|' to separate commands and '"' to start comments.
3278 * Don't do this for ":read !cmd" and ":write !cmd".
3279 */
3280 if ((ea.argt & TRLBAR) && !usefilter)
3281 {
3282 p = arg;
3283 /* ":redir @" is not the start of a comment */
3284 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3285 p += 2;
3286 while (*p)
3287 {
3288 if (*p == Ctrl_V)
3289 {
3290 if (p[1] != NUL)
3291 ++p;
3292 }
3293 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3294 || *p == '|' || *p == '\n')
3295 {
3296 if (*(p - 1) != '\\')
3297 {
3298 if (*p == '|' || *p == '\n')
3299 return p + 1;
3300 return NULL; /* It's a comment */
3301 }
3302 }
3303 mb_ptr_adv(p);
3304 }
3305 }
3306
3307 /* no arguments allowed */
3308 if (!(ea.argt & EXTRA) && *arg != NUL &&
3309 vim_strchr((char_u *)"|\"", *arg) == NULL)
3310 return NULL;
3311
3312 /* Find start of last argument (argument just before cursor): */
3313 p = buff + STRLEN(buff);
3314 while (p != arg && *p != ' ' && *p != TAB)
3315 p--;
3316 if (*p == ' ' || *p == TAB)
3317 p++;
3318 xp->xp_pattern = p;
3319
3320 if (ea.argt & XFILE)
3321 {
3322 int c;
3323 int in_quote = FALSE;
3324 char_u *bow = NULL; /* Beginning of word */
3325
3326 /*
3327 * Allow spaces within back-quotes to count as part of the argument
3328 * being expanded.
3329 */
3330 xp->xp_pattern = skipwhite(arg);
3331 p = xp->xp_pattern;
3332 while (*p != NUL)
3333 {
3334 #ifdef FEAT_MBYTE
3335 if (has_mbyte)
3336 c = mb_ptr2char(p);
3337 else
3338 #endif
3339 c = *p;
3340 if (c == '\\' && p[1] != NUL)
3341 ++p;
3342 else if (c == '`')
3343 {
3344 if (!in_quote)
3345 {
3346 xp->xp_pattern = p;
3347 bow = p + 1;
3348 }
3349 in_quote = !in_quote;
3350 }
3351 /* An argument can contain just about everything, except
3352 * characters that end the command and white space. */
3353 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3354 #ifdef SPACE_IN_FILENAME
3355 && (!(ea.argt & NOSPC) || usefilter)
3356 #endif
3357 ))
3358 {
3359 len = 0; /* avoid getting stuck when space is in 'isfname' */
3360 while (*p != NUL)
3361 {
3362 #ifdef FEAT_MBYTE
3363 if (has_mbyte)
3364 c = mb_ptr2char(p);
3365 else
3366 #endif
3367 c = *p;
3368 if (c == '`' || vim_isfilec_or_wc(c))
3369 break;
3370 #ifdef FEAT_MBYTE
3371 if (has_mbyte)
3372 len = (*mb_ptr2len)(p);
3373 else
3374 #endif
3375 len = 1;
3376 mb_ptr_adv(p);
3377 }
3378 if (in_quote)
3379 bow = p;
3380 else
3381 xp->xp_pattern = p;
3382 p -= len;
3383 }
3384 mb_ptr_adv(p);
3385 }
3386
3387 /*
3388 * If we are still inside the quotes, and we passed a space, just
3389 * expand from there.
3390 */
3391 if (bow != NULL && in_quote)
3392 xp->xp_pattern = bow;
3393 xp->xp_context = EXPAND_FILES;
3394
3395 #ifndef BACKSLASH_IN_FILENAME
3396 /* For a shell command more chars need to be escaped. */
3397 if (usefilter || ea.cmdidx == CMD_bang)
3398 {
3399 xp->xp_shell = TRUE;
3400
3401 /* When still after the command name expand executables. */
3402 if (xp->xp_pattern == skipwhite(arg))
3403 xp->xp_context = EXPAND_SHELLCMD;
3404 }
3405 #endif
3406
3407 /* Check for environment variable */
3408 if (*xp->xp_pattern == '$'
3409 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3410 || *xp->xp_pattern == '%'
3411 #endif
3412 )
3413 {
3414 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3415 if (!vim_isIDc(*p))
3416 break;
3417 if (*p == NUL)
3418 {
3419 xp->xp_context = EXPAND_ENV_VARS;
3420 ++xp->xp_pattern;
3421 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3422 /* Avoid that the assignment uses EXPAND_FILES again. */
3423 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3424 compl = EXPAND_ENV_VARS;
3425 #endif
3426 }
3427 }
3428 }
3429
3430 /*
3431 * 6. switch on command name
3432 */
3433 switch (ea.cmdidx)
3434 {
3435 case CMD_cd:
3436 case CMD_chdir:
3437 case CMD_lcd:
3438 case CMD_lchdir:
3439 if (xp->xp_context == EXPAND_FILES)
3440 xp->xp_context = EXPAND_DIRECTORIES;
3441 break;
3442 case CMD_help:
3443 xp->xp_context = EXPAND_HELP;
3444 xp->xp_pattern = arg;
3445 break;
3446
3447 /* Command modifiers: return the argument.
3448 * Also for commands with an argument that is a command. */
3449 case CMD_aboveleft:
3450 case CMD_argdo:
3451 case CMD_belowright:
3452 case CMD_botright:
3453 case CMD_browse:
3454 case CMD_bufdo:
3455 case CMD_confirm:
3456 case CMD_debug:
3457 case CMD_folddoclosed:
3458 case CMD_folddoopen:
3459 case CMD_hide:
3460 case CMD_keepalt:
3461 case CMD_keepjumps:
3462 case CMD_keepmarks:
3463 case CMD_leftabove:
3464 case CMD_lockmarks:
3465 case CMD_rightbelow:
3466 case CMD_sandbox:
3467 case CMD_silent:
3468 case CMD_tab:
3469 case CMD_topleft:
3470 case CMD_verbose:
3471 case CMD_vertical:
3472 case CMD_windo:
3473 return arg;
3474
3475 #ifdef FEAT_CMDL_COMPL
3476 # ifdef FEAT_SEARCH_EXTRA
3477 case CMD_match:
3478 if (*arg == NUL || !ends_excmd(*arg))
3479 {
3480 /* also complete "None" */
3481 set_context_in_echohl_cmd(xp, arg);
3482 arg = skipwhite(skiptowhite(arg));
3483 if (*arg != NUL)
3484 {
3485 xp->xp_context = EXPAND_NOTHING;
3486 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3487 }
3488 }
3489 return find_nextcmd(arg);
3490 # endif
3491
3492 /*
3493 * All completion for the +cmdline_compl feature goes here.
3494 */
3495
3496 # ifdef FEAT_USR_CMDS
3497 case CMD_command:
3498 /* Check for attributes */
3499 while (*arg == '-')
3500 {
3501 arg++; /* Skip "-" */
3502 p = skiptowhite(arg);
3503 if (*p == NUL)
3504 {
3505 /* Cursor is still in the attribute */
3506 p = vim_strchr(arg, '=');
3507 if (p == NULL)
3508 {
3509 /* No "=", so complete attribute names */
3510 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3511 xp->xp_pattern = arg;
3512 return NULL;
3513 }
3514
3515 /* For the -complete and -nargs attributes, we complete
3516 * their arguments as well.
3517 */
3518 if (STRNICMP(arg, "complete", p - arg) == 0)
3519 {
3520 xp->xp_context = EXPAND_USER_COMPLETE;
3521 xp->xp_pattern = p + 1;
3522 return NULL;
3523 }
3524 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3525 {
3526 xp->xp_context = EXPAND_USER_NARGS;
3527 xp->xp_pattern = p + 1;
3528 return NULL;
3529 }
3530 return NULL;
3531 }
3532 arg = skipwhite(p);
3533 }
3534
3535 /* After the attributes comes the new command name */
3536 p = skiptowhite(arg);
3537 if (*p == NUL)
3538 {
3539 xp->xp_context = EXPAND_USER_COMMANDS;
3540 xp->xp_pattern = arg;
3541 break;
3542 }
3543
3544 /* And finally comes a normal command */
3545 return skipwhite(p);
3546
3547 case CMD_delcommand:
3548 xp->xp_context = EXPAND_USER_COMMANDS;
3549 xp->xp_pattern = arg;
3550 break;
3551 # endif
3552
3553 case CMD_global:
3554 case CMD_vglobal:
3555 delim = *arg; /* get the delimiter */
3556 if (delim)
3557 ++arg; /* skip delimiter if there is one */
3558
3559 while (arg[0] != NUL && arg[0] != delim)
3560 {
3561 if (arg[0] == '\\' && arg[1] != NUL)
3562 ++arg;
3563 ++arg;
3564 }
3565 if (arg[0] != NUL)
3566 return arg + 1;
3567 break;
3568 case CMD_and:
3569 case CMD_substitute:
3570 delim = *arg;
3571 if (delim)
3572 {
3573 /* skip "from" part */
3574 ++arg;
3575 arg = skip_regexp(arg, delim, p_magic, NULL);
3576 }
3577 /* skip "to" part */
3578 while (arg[0] != NUL && arg[0] != delim)
3579 {
3580 if (arg[0] == '\\' && arg[1] != NUL)
3581 ++arg;
3582 ++arg;
3583 }
3584 if (arg[0] != NUL) /* skip delimiter */
3585 ++arg;
3586 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3587 ++arg;
3588 if (arg[0] != NUL)
3589 return arg;
3590 break;
3591 case CMD_isearch:
3592 case CMD_dsearch:
3593 case CMD_ilist:
3594 case CMD_dlist:
3595 case CMD_ijump:
3596 case CMD_psearch:
3597 case CMD_djump:
3598 case CMD_isplit:
3599 case CMD_dsplit:
3600 arg = skipwhite(skipdigits(arg)); /* skip count */
3601 if (*arg == '/') /* Match regexp, not just whole words */
3602 {
3603 for (++arg; *arg && *arg != '/'; arg++)
3604 if (*arg == '\\' && arg[1] != NUL)
3605 arg++;
3606 if (*arg)
3607 {
3608 arg = skipwhite(arg + 1);
3609
3610 /* Check for trailing illegal characters */
3611 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3612 xp->xp_context = EXPAND_NOTHING;
3613 else
3614 return arg;
3615 }
3616 }
3617 break;
3618 #ifdef FEAT_AUTOCMD
3619 case CMD_autocmd:
3620 return set_context_in_autocmd(xp, arg, FALSE);
3621
3622 case CMD_doautocmd:
3623 case CMD_doautoall:
3624 return set_context_in_autocmd(xp, arg, TRUE);
3625 #endif
3626 case CMD_set:
3627 set_context_in_set_cmd(xp, arg, 0);
3628 break;
3629 case CMD_setglobal:
3630 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3631 break;
3632 case CMD_setlocal:
3633 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3634 break;
3635 case CMD_tag:
3636 case CMD_stag:
3637 case CMD_ptag:
3638 case CMD_ltag:
3639 case CMD_tselect:
3640 case CMD_stselect:
3641 case CMD_ptselect:
3642 case CMD_tjump:
3643 case CMD_stjump:
3644 case CMD_ptjump:
3645 if (*p_wop != NUL)
3646 xp->xp_context = EXPAND_TAGS_LISTFILES;
3647 else
3648 xp->xp_context = EXPAND_TAGS;
3649 xp->xp_pattern = arg;
3650 break;
3651 case CMD_augroup:
3652 xp->xp_context = EXPAND_AUGROUP;
3653 xp->xp_pattern = arg;
3654 break;
3655 #ifdef FEAT_SYN_HL
3656 case CMD_syntax:
3657 set_context_in_syntax_cmd(xp, arg);
3658 break;
3659 #endif
3660 #ifdef FEAT_EVAL
3661 case CMD_let:
3662 case CMD_if:
3663 case CMD_elseif:
3664 case CMD_while:
3665 case CMD_for:
3666 case CMD_echo:
3667 case CMD_echon:
3668 case CMD_execute:
3669 case CMD_echomsg:
3670 case CMD_echoerr:
3671 case CMD_call:
3672 case CMD_return:
3673 set_context_for_expression(xp, arg, ea.cmdidx);
3674 break;
3675
3676 case CMD_unlet:
3677 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3678 arg = xp->xp_pattern + 1;
3679 xp->xp_context = EXPAND_USER_VARS;
3680 xp->xp_pattern = arg;
3681 break;
3682
3683 case CMD_function:
3684 case CMD_delfunction:
3685 xp->xp_context = EXPAND_USER_FUNC;
3686 xp->xp_pattern = arg;
3687 break;
3688
3689 case CMD_echohl:
3690 set_context_in_echohl_cmd(xp, arg);
3691 break;
3692 #endif
3693 case CMD_highlight:
3694 set_context_in_highlight_cmd(xp, arg);
3695 break;
3696 #ifdef FEAT_CSCOPE
3697 case CMD_cscope:
3698 case CMD_lcscope:
3699 case CMD_scscope:
3700 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3701 break;
3702 #endif
3703 #ifdef FEAT_SIGNS
3704 case CMD_sign:
3705 set_context_in_sign_cmd(xp, arg);
3706 break;
3707 #endif
3708 #ifdef FEAT_LISTCMDS
3709 case CMD_bdelete:
3710 case CMD_bwipeout:
3711 case CMD_bunload:
3712 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3713 arg = xp->xp_pattern + 1;
3714 /*FALLTHROUGH*/
3715 case CMD_buffer:
3716 case CMD_sbuffer:
3717 case CMD_checktime:
3718 xp->xp_context = EXPAND_BUFFERS;
3719 xp->xp_pattern = arg;
3720 break;
3721 #endif
3722 #ifdef FEAT_USR_CMDS
3723 case CMD_USER:
3724 case CMD_USER_BUF:
3725 if (compl != EXPAND_NOTHING)
3726 {
3727 /* XFILE: file names are handled above */
3728 if (!(ea.argt & XFILE))
3729 {
3730 # ifdef FEAT_MENU
3731 if (compl == EXPAND_MENUS)
3732 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3733 # endif
3734 if (compl == EXPAND_COMMANDS)
3735 return arg;
3736 if (compl == EXPAND_MAPPINGS)
3737 return set_context_in_map_cmd(xp, (char_u *)"map",
3738 arg, forceit, FALSE, FALSE, CMD_map);
3739 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3740 arg = xp->xp_pattern + 1;
3741 xp->xp_pattern = arg;
3742 }
3743 xp->xp_context = compl;
3744 }
3745 break;
3746 #endif
3747 case CMD_map: case CMD_noremap:
3748 case CMD_nmap: case CMD_nnoremap:
3749 case CMD_vmap: case CMD_vnoremap:
3750 case CMD_omap: case CMD_onoremap:
3751 case CMD_imap: case CMD_inoremap:
3752 case CMD_cmap: case CMD_cnoremap:
3753 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3754 FALSE, FALSE, ea.cmdidx);
3755 case CMD_unmap:
3756 case CMD_nunmap:
3757 case CMD_vunmap:
3758 case CMD_ounmap:
3759 case CMD_iunmap:
3760 case CMD_cunmap:
3761 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3762 FALSE, TRUE, ea.cmdidx);
3763 case CMD_abbreviate: case CMD_noreabbrev:
3764 case CMD_cabbrev: case CMD_cnoreabbrev:
3765 case CMD_iabbrev: case CMD_inoreabbrev:
3766 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3767 TRUE, FALSE, ea.cmdidx);
3768 case CMD_unabbreviate:
3769 case CMD_cunabbrev:
3770 case CMD_iunabbrev:
3771 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3772 TRUE, TRUE, ea.cmdidx);
3773 #ifdef FEAT_MENU
3774 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3775 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3776 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3777 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3778 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3779 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3780 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3781 case CMD_tmenu: case CMD_tunmenu:
3782 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3783 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3784 #endif
3785
3786 case CMD_colorscheme:
3787 xp->xp_context = EXPAND_COLORS;
3788 xp->xp_pattern = arg;
3789 break;
3790
3791 case CMD_compiler:
3792 xp->xp_context = EXPAND_COMPILER;
3793 xp->xp_pattern = arg;
3794 break;
3795
3796 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3797 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3798 case CMD_language:
3799 if (*skiptowhite(arg) == NUL)
3800 {
3801 xp->xp_context = EXPAND_LANGUAGE;
3802 xp->xp_pattern = arg;
3803 }
3804 else
3805 xp->xp_context = EXPAND_NOTHING;
3806 break;
3807 #endif
3808 #if defined(FEAT_PROFILE)
3809 case CMD_profile:
3810 set_context_in_profile_cmd(xp, arg);
3811 break;
3812 #endif
3813 case CMD_behave:
3814 xp->xp_context = EXPAND_BEHAVE;
3815 break;
3816
3817 #endif /* FEAT_CMDL_COMPL */
3818
3819 default:
3820 break;
3821 }
3822 return NULL;
3823 }
3824
3825 /*
3826 * skip a range specifier of the form: addr [,addr] [;addr] ..
3827 *
3828 * Backslashed delimiters after / or ? will be skipped, and commands will
3829 * not be expanded between /'s and ?'s or after "'".
3830 *
3831 * Also skip white space and ":" characters.
3832 * Returns the "cmd" pointer advanced to beyond the range.
3833 */
3834 char_u *
3835 skip_range(cmd, ctx)
3836 char_u *cmd;
3837 int *ctx; /* pointer to xp_context or NULL */
3838 {
3839 unsigned delim;
3840
3841 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3842 {
3843 if (*cmd == '\'')
3844 {
3845 if (*++cmd == NUL && ctx != NULL)
3846 *ctx = EXPAND_NOTHING;
3847 }
3848 else if (*cmd == '/' || *cmd == '?')
3849 {
3850 delim = *cmd++;
3851 while (*cmd != NUL && *cmd != delim)
3852 if (*cmd++ == '\\' && *cmd != NUL)
3853 ++cmd;
3854 if (*cmd == NUL && ctx != NULL)
3855 *ctx = EXPAND_NOTHING;
3856 }
3857 if (*cmd != NUL)
3858 ++cmd;
3859 }
3860
3861 /* Skip ":" and white space. */
3862 while (*cmd == ':')
3863 cmd = skipwhite(cmd + 1);
3864
3865 return cmd;
3866 }
3867
3868 /*
3869 * get a single EX address
3870 *
3871 * Set ptr to the next character after the part that was interpreted.
3872 * Set ptr to NULL when an error is encountered.
3873 *
3874 * Return MAXLNUM when no Ex address was found.
3875 */
3876 static linenr_T
3877 get_address(ptr, skip, to_other_file)
3878 char_u **ptr;
3879 int skip; /* only skip the address, don't use it */
3880 int to_other_file; /* flag: may jump to other file */
3881 {
3882 int c;
3883 int i;
3884 long n;
3885 char_u *cmd;
3886 pos_T pos;
3887 pos_T *fp;
3888 linenr_T lnum;
3889
3890 cmd = skipwhite(*ptr);
3891 lnum = MAXLNUM;
3892 do
3893 {
3894 switch (*cmd)
3895 {
3896 case '.': /* '.' - Cursor position */
3897 ++cmd;
3898 lnum = curwin->w_cursor.lnum;
3899 break;
3900
3901 case '$': /* '$' - last line */
3902 ++cmd;
3903 lnum = curbuf->b_ml.ml_line_count;
3904 break;
3905
3906 case '\'': /* ''' - mark */
3907 if (*++cmd == NUL)
3908 {
3909 cmd = NULL;
3910 goto error;
3911 }
3912 if (skip)
3913 ++cmd;
3914 else
3915 {
3916 /* Only accept a mark in another file when it is
3917 * used by itself: ":'M". */
3918 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3919 ++cmd;
3920 if (fp == (pos_T *)-1)
3921 /* Jumped to another file. */
3922 lnum = curwin->w_cursor.lnum;
3923 else
3924 {
3925 if (check_mark(fp) == FAIL)
3926 {
3927 cmd = NULL;
3928 goto error;
3929 }
3930 lnum = fp->lnum;
3931 }
3932 }
3933 break;
3934
3935 case '/':
3936 case '?': /* '/' or '?' - search */
3937 c = *cmd++;
3938 if (skip) /* skip "/pat/" */
3939 {
3940 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3941 if (*cmd == c)
3942 ++cmd;
3943 }
3944 else
3945 {
3946 pos = curwin->w_cursor; /* save curwin->w_cursor */
3947 /*
3948 * When '/' or '?' follows another address, start
3949 * from there.
3950 */
3951 if (lnum != MAXLNUM)
3952 curwin->w_cursor.lnum = lnum;
3953 /*
3954 * Start a forward search at the end of the line.
3955 * Start a backward search at the start of the line.
3956 * This makes sure we never match in the current
3957 * line, and can match anywhere in the
3958 * next/previous line.
3959 */
3960 if (c == '/')
3961 curwin->w_cursor.col = MAXCOL;
3962 else
3963 curwin->w_cursor.col = 0;
3964 searchcmdlen = 0;
3965 if (!do_search(NULL, c, cmd, 1L,
3966 SEARCH_HIS | SEARCH_MSG, NULL))
3967 {
3968 curwin->w_cursor = pos;
3969 cmd = NULL;
3970 goto error;
3971 }
3972 lnum = curwin->w_cursor.lnum;
3973 curwin->w_cursor = pos;
3974 /* adjust command string pointer */
3975 cmd += searchcmdlen;
3976 }
3977 break;
3978
3979 case '\\': /* "\?", "\/" or "\&", repeat search */
3980 ++cmd;
3981 if (*cmd == '&')
3982 i = RE_SUBST;
3983 else if (*cmd == '?' || *cmd == '/')
3984 i = RE_SEARCH;
3985 else
3986 {
3987 EMSG(_(e_backslash));
3988 cmd = NULL;
3989 goto error;
3990 }
3991
3992 if (!skip)
3993 {
3994 /*
3995 * When search follows another address, start from
3996 * there.
3997 */
3998 if (lnum != MAXLNUM)
3999 pos.lnum = lnum;
4000 else
4001 pos.lnum = curwin->w_cursor.lnum;
4002
4003 /*
4004 * Start the search just like for the above
4005 * do_search().
4006 */
4007 if (*cmd != '?')
4008 pos.col = MAXCOL;
4009 else
4010 pos.col = 0;
4011 if (searchit(curwin, curbuf, &pos,
4012 *cmd == '?' ? BACKWARD : FORWARD,
4013 (char_u *)"", 1L, SEARCH_MSG,
4014 i, (linenr_T)0, NULL) != FAIL)
4015 lnum = pos.lnum;
4016 else
4017 {
4018 cmd = NULL;
4019 goto error;
4020 }
4021 }
4022 ++cmd;
4023 break;
4024
4025 default:
4026 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4027 lnum = getdigits(&cmd);
4028 }
4029
4030 for (;;)
4031 {
4032 cmd = skipwhite(cmd);
4033 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4034 break;
4035
4036 if (lnum == MAXLNUM)
4037 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4038 if (VIM_ISDIGIT(*cmd))
4039 i = '+'; /* "number" is same as "+number" */
4040 else
4041 i = *cmd++;
4042 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4043 n = 1;
4044 else
4045 n = getdigits(&cmd);
4046 if (i == '-')
4047 lnum -= n;
4048 else
4049 lnum += n;
4050 }
4051 } while (*cmd == '/' || *cmd == '?');
4052
4053 error:
4054 *ptr = cmd;
4055 return lnum;
4056 }
4057
4058 /*
4059 * Get flags from an Ex command argument.
4060 */
4061 static void
4062 get_flags(eap)
4063 exarg_T *eap;
4064 {
4065 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4066 {
4067 if (*eap->arg == 'l')
4068 eap->flags |= EXFLAG_LIST;
4069 else if (*eap->arg == 'p')
4070 eap->flags |= EXFLAG_PRINT;
4071 else
4072 eap->flags |= EXFLAG_NR;
4073 eap->arg = skipwhite(eap->arg + 1);
4074 }
4075 }
4076
4077 /*
4078 * Function called for command which is Not Implemented. NI!
4079 */
4080 void
4081 ex_ni(eap)
4082 exarg_T *eap;
4083 {
4084 if (!eap->skip)
4085 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4086 }
4087
4088 #ifdef HAVE_EX_SCRIPT_NI
4089 /*
4090 * Function called for script command which is Not Implemented. NI!
4091 * Skips over ":perl <<EOF" constructs.
4092 */
4093 static void
4094 ex_script_ni(eap)
4095 exarg_T *eap;
4096 {
4097 if (!eap->skip)
4098 ex_ni(eap);
4099 else
4100 vim_free(script_get(eap, eap->arg));
4101 }
4102 #endif
4103
4104 /*
4105 * Check range in Ex command for validity.
4106 * Return NULL when valid, error message when invalid.
4107 */
4108 static char_u *
4109 invalid_range(eap)
4110 exarg_T *eap;
4111 {
4112 if ( eap->line1 < 0
4113 || eap->line2 < 0
4114 || eap->line1 > eap->line2
4115 || ((eap->argt & RANGE)
4116 && !(eap->argt & NOTADR)
4117 && eap->line2 > curbuf->b_ml.ml_line_count
4118 #ifdef FEAT_DIFF
4119 + (eap->cmdidx == CMD_diffget)
4120 #endif
4121 ))
4122 return (char_u *)_(e_invrange);
4123 return NULL;
4124 }
4125
4126 /*
4127 * Correct the range for zero line number, if required.
4128 */
4129 static void
4130 correct_range(eap)
4131 exarg_T *eap;
4132 {
4133 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4134 {
4135 if (eap->line1 == 0)
4136 eap->line1 = 1;
4137 if (eap->line2 == 0)
4138 eap->line2 = 1;
4139 }
4140 }
4141
4142 #ifdef FEAT_QUICKFIX
4143 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4144
4145 /*
4146 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4147 * pattern. Otherwise return eap->arg.
4148 */
4149 static char_u *
4150 skip_grep_pat(eap)
4151 exarg_T *eap;
4152 {
4153 char_u *p = eap->arg;
4154
4155 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4156 || eap->cmdidx == CMD_vimgrepadd
4157 || eap->cmdidx == CMD_lvimgrepadd
4158 || grep_internal(eap->cmdidx)))
4159 {
4160 p = skip_vimgrep_pat(p, NULL, NULL);
4161 if (p == NULL)
4162 p = eap->arg;
4163 }
4164 return p;
4165 }
4166
4167 /*
4168 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4169 * in the command line, so that things like % get expanded.
4170 */
4171 static char_u *
4172 replace_makeprg(eap, p, cmdlinep)
4173 exarg_T *eap;
4174 char_u *p;
4175 char_u **cmdlinep;
4176 {
4177 char_u *new_cmdline;
4178 char_u *program;
4179 char_u *pos;
4180 char_u *ptr;
4181 int len;
4182 int i;
4183
4184 /*
4185 * Don't do it when ":vimgrep" is used for ":grep".
4186 */
4187 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4188 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4189 || eap->cmdidx == CMD_grepadd
4190 || eap->cmdidx == CMD_lgrepadd)
4191 && !grep_internal(eap->cmdidx))
4192 {
4193 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4194 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4195 {
4196 if (*curbuf->b_p_gp == NUL)
4197 program = p_gp;
4198 else
4199 program = curbuf->b_p_gp;
4200 }
4201 else
4202 {
4203 if (*curbuf->b_p_mp == NUL)
4204 program = p_mp;
4205 else
4206 program = curbuf->b_p_mp;
4207 }
4208
4209 p = skipwhite(p);
4210
4211 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4212 {
4213 /* replace $* by given arguments */
4214 i = 1;
4215 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4216 ++i;
4217 len = (int)STRLEN(p);
4218 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4219 if (new_cmdline == NULL)
4220 return NULL; /* out of memory */
4221 ptr = new_cmdline;
4222 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4223 {
4224 i = (int)(pos - program);
4225 STRNCPY(ptr, program, i);
4226 STRCPY(ptr += i, p);
4227 ptr += len;
4228 program = pos + 2;
4229 }
4230 STRCPY(ptr, program);
4231 }
4232 else
4233 {
4234 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4235 if (new_cmdline == NULL)
4236 return NULL; /* out of memory */
4237 STRCPY(new_cmdline, program);
4238 STRCAT(new_cmdline, " ");
4239 STRCAT(new_cmdline, p);
4240 }
4241 msg_make(p);
4242
4243 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4244 vim_free(*cmdlinep);
4245 *cmdlinep = new_cmdline;
4246 p = new_cmdline;
4247 }
4248 return p;
4249 }
4250 #endif
4251
4252 /*
4253 * Expand file name in Ex command argument.
4254 * Return FAIL for failure, OK otherwise.
4255 */
4256 int
4257 expand_filename(eap, cmdlinep, errormsgp)
4258 exarg_T *eap;
4259 char_u **cmdlinep;
4260 char_u **errormsgp;
4261 {
4262 int has_wildcards; /* need to expand wildcards */
4263 char_u *repl;
4264 int srclen;
4265 char_u *p;
4266 int n;
4267 int escaped;
4268
4269 #ifdef FEAT_QUICKFIX
4270 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4271 p = skip_grep_pat(eap);
4272 #else
4273 p = eap->arg;
4274 #endif
4275
4276 /*
4277 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4278 * the file name contains a wildcard it should not cause expanding.
4279 * (it will be expanded anyway if there is a wildcard before replacing).
4280 */
4281 has_wildcards = mch_has_wildcard(p);
4282 while (*p != NUL)
4283 {
4284 #ifdef FEAT_EVAL
4285 /* Skip over `=expr`, wildcards in it are not expanded. */
4286 if (p[0] == '`' && p[1] == '=')
4287 {
4288 p += 2;
4289 (void)skip_expr(&p);
4290 if (*p == '`')
4291 ++p;
4292 continue;
4293 }
4294 #endif
4295 /*
4296 * Quick check if this cannot be the start of a special string.
4297 * Also removes backslash before '%', '#' and '<'.
4298 */
4299 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4300 {
4301 ++p;
4302 continue;
4303 }
4304
4305 /*
4306 * Try to find a match at this position.
4307 */
4308 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4309 errormsgp, &escaped);
4310 if (*errormsgp != NULL) /* error detected */
4311 return FAIL;
4312 if (repl == NULL) /* no match found */
4313 {
4314 p += srclen;
4315 continue;
4316 }
4317
4318 /* Wildcards won't be expanded below, the replacement is taken
4319 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4320 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4321 {
4322 char_u *l = repl;
4323
4324 repl = expand_env_save(repl);
4325 vim_free(l);
4326 }
4327
4328 /* Need to escape white space et al. with a backslash.
4329 * Don't do this for:
4330 * - replacement that already has been escaped: "##"
4331 * - shell commands (may have to use quotes instead).
4332 * - non-unix systems when there is a single argument (spaces don't
4333 * separate arguments then).
4334 */
4335 if (!eap->usefilter
4336 && !escaped
4337 && eap->cmdidx != CMD_bang
4338 && eap->cmdidx != CMD_make
4339 && eap->cmdidx != CMD_lmake
4340 && eap->cmdidx != CMD_grep
4341 && eap->cmdidx != CMD_lgrep
4342 && eap->cmdidx != CMD_grepadd
4343 && eap->cmdidx != CMD_lgrepadd
4344 #ifndef UNIX
4345 && !(eap->argt & NOSPC)
4346 #endif
4347 )
4348 {
4349 char_u *l;
4350 #ifdef BACKSLASH_IN_FILENAME
4351 /* Don't escape a backslash here, because rem_backslash() doesn't
4352 * remove it later. */
4353 static char_u *nobslash = (char_u *)" \t\"|";
4354 # define ESCAPE_CHARS nobslash
4355 #else
4356 # define ESCAPE_CHARS escape_chars
4357 #endif
4358
4359 for (l = repl; *l; ++l)
4360 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4361 {
4362 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4363 if (l != NULL)
4364 {
4365 vim_free(repl);
4366 repl = l;
4367 }
4368 break;
4369 }
4370 }
4371
4372 /* For a shell command a '!' must be escaped. */
4373 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4374 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4375 {
4376 char_u *l;
4377
4378 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4379 if (l != NULL)
4380 {
4381 vim_free(repl);
4382 repl = l;
4383 /* For a sh-like shell escape "!" another time. */
4384 if (strstr((char *)p_sh, "sh") != NULL)
4385 {
4386 l = vim_strsave_escaped(repl, (char_u *)"!");
4387 if (l != NULL)
4388 {
4389 vim_free(repl);
4390 repl = l;
4391 }
4392 }
4393 }
4394 }
4395
4396 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4397 vim_free(repl);
4398 if (p == NULL)
4399 return FAIL;
4400 }
4401
4402 /*
4403 * One file argument: Expand wildcards.
4404 * Don't do this with ":r !command" or ":w !command".
4405 */
4406 if ((eap->argt & NOSPC) && !eap->usefilter)
4407 {
4408 /*
4409 * May do this twice:
4410 * 1. Replace environment variables.
4411 * 2. Replace any other wildcards, remove backslashes.
4412 */
4413 for (n = 1; n <= 2; ++n)
4414 {
4415 if (n == 2)
4416 {
4417 #ifdef UNIX
4418 /*
4419 * Only for Unix we check for more than one file name.
4420 * For other systems spaces are considered to be part
4421 * of the file name.
4422 * Only check here if there is no wildcard, otherwise
4423 * ExpandOne() will check for errors. This allows
4424 * ":e `ls ve*.c`" on Unix.
4425 */
4426 if (!has_wildcards)
4427 for (p = eap->arg; *p; ++p)
4428 {
4429 /* skip escaped characters */
4430 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4431 ++p;
4432 else if (vim_iswhite(*p))
4433 {
4434 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4435 return FAIL;
4436 }
4437 }
4438 #endif
4439
4440 /*
4441 * Halve the number of backslashes (this is Vi compatible).
4442 * For Unix and OS/2, when wildcards are expanded, this is
4443 * done by ExpandOne() below.
4444 */
4445 #if defined(UNIX) || defined(OS2)
4446 if (!has_wildcards)
4447 #endif
4448 backslash_halve(eap->arg);
4449 }
4450
4451 if (has_wildcards)
4452 {
4453 if (n == 1)
4454 {
4455 /*
4456 * First loop: May expand environment variables. This
4457 * can be done much faster with expand_env() than with
4458 * something else (e.g., calling a shell).
4459 * After expanding environment variables, check again
4460 * if there are still wildcards present.
4461 */
4462 if (vim_strchr(eap->arg, '$') != NULL
4463 || vim_strchr(eap->arg, '~') != NULL)
4464 {
4465 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4466 TRUE, TRUE, NULL);
4467 has_wildcards = mch_has_wildcard(NameBuff);
4468 p = NameBuff;
4469 }
4470 else
4471 p = NULL;
4472 }
4473 else /* n == 2 */
4474 {
4475 expand_T xpc;
4476
4477 ExpandInit(&xpc);
4478 xpc.xp_context = EXPAND_FILES;
4479 p = ExpandOne(&xpc, eap->arg, NULL,
4480 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4481 WILD_EXPAND_FREE);
4482 if (p == NULL)
4483 return FAIL;
4484 }
4485 if (p != NULL)
4486 {
4487 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4488 p, cmdlinep);
4489 if (n == 2) /* p came from ExpandOne() */
4490 vim_free(p);
4491 }
4492 }
4493 }
4494 }
4495 return OK;
4496 }
4497
4498 /*
4499 * Replace part of the command line, keeping eap->cmd, eap->arg and
4500 * eap->nextcmd correct.
4501 * "src" points to the part that is to be replaced, of length "srclen".
4502 * "repl" is the replacement string.
4503 * Returns a pointer to the character after the replaced string.
4504 * Returns NULL for failure.
4505 */
4506 static char_u *
4507 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4508 exarg_T *eap;
4509 char_u *src;
4510 int srclen;
4511 char_u *repl;
4512 char_u **cmdlinep;
4513 {
4514 int len;
4515 int i;
4516 char_u *new_cmdline;
4517
4518 /*
4519 * The new command line is build in new_cmdline[].
4520 * First allocate it.
4521 * Careful: a "+cmd" argument may have been NUL terminated.
4522 */
4523 len = (int)STRLEN(repl);
4524 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4525 if (eap->nextcmd != NULL)
4526 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4527 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4528 return NULL; /* out of memory! */
4529
4530 /*
4531 * Copy the stuff before the expanded part.
4532 * Copy the expanded stuff.
4533 * Copy what came after the expanded part.
4534 * Copy the next commands, if there are any.
4535 */
4536 i = (int)(src - *cmdlinep); /* length of part before match */
4537 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4538
4539 mch_memmove(new_cmdline + i, repl, (size_t)len);
4540 i += len; /* remember the end of the string */
4541 STRCPY(new_cmdline + i, src + srclen);
4542 src = new_cmdline + i; /* remember where to continue */
4543
4544 if (eap->nextcmd != NULL) /* append next command */
4545 {
4546 i = (int)STRLEN(new_cmdline) + 1;
4547 STRCPY(new_cmdline + i, eap->nextcmd);
4548 eap->nextcmd = new_cmdline + i;
4549 }
4550 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4551 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4552 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4553 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4554 vim_free(*cmdlinep);
4555 *cmdlinep = new_cmdline;
4556
4557 return src;
4558 }
4559
4560 /*
4561 * Check for '|' to separate commands and '"' to start comments.
4562 */
4563 void
4564 separate_nextcmd(eap)
4565 exarg_T *eap;
4566 {
4567 char_u *p;
4568
4569 #ifdef FEAT_QUICKFIX
4570 p = skip_grep_pat(eap);
4571 #else
4572 p = eap->arg;
4573 #endif
4574
4575 for ( ; *p; mb_ptr_adv(p))
4576 {
4577 if (*p == Ctrl_V)
4578 {
4579 if (eap->argt & (USECTRLV | XFILE))
4580 ++p; /* skip CTRL-V and next char */
4581 else
4582 /* remove CTRL-V and skip next char */
4583 STRMOVE(p, p + 1);
4584 if (*p == NUL) /* stop at NUL after CTRL-V */
4585 break;
4586 }
4587
4588 #ifdef FEAT_EVAL
4589 /* Skip over `=expr` when wildcards are expanded. */
4590 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4591 {
4592 p += 2;
4593 (void)skip_expr(&p);
4594 }
4595 #endif
4596
4597 /* Check for '"': start of comment or '|': next command */
4598 /* :@" and :*" do not start a comment!
4599 * :redir @" doesn't either. */
4600 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4601 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4602 || p != eap->arg)
4603 && (eap->cmdidx != CMD_redir
4604 || p != eap->arg + 1 || p[-1] != '@'))
4605 || *p == '|' || *p == '\n')
4606 {
4607 /*
4608 * We remove the '\' before the '|', unless USECTRLV is used
4609 * AND 'b' is present in 'cpoptions'.
4610 */
4611 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4612 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4613 {
4614 STRMOVE(p - 1, p); /* remove the '\' */
4615 --p;
4616 }
4617 else
4618 {
4619 eap->nextcmd = check_nextcmd(p);
4620 *p = NUL;
4621 break;
4622 }
4623 }
4624 }
4625
4626 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4627 del_trailing_spaces(eap->arg);
4628 }
4629
4630 /*
4631 * get + command from ex argument
4632 */
4633 static char_u *
4634 getargcmd(argp)
4635 char_u **argp;
4636 {
4637 char_u *arg = *argp;
4638 char_u *command = NULL;
4639
4640 if (*arg == '+') /* +[command] */
4641 {
4642 ++arg;
4643 if (vim_isspace(*arg))
4644 command = dollar_command;
4645 else
4646 {
4647 command = arg;
4648 arg = skip_cmd_arg(command, TRUE);
4649 if (*arg != NUL)
4650 *arg++ = NUL; /* terminate command with NUL */
4651 }
4652
4653 arg = skipwhite(arg); /* skip over spaces */
4654 *argp = arg;
4655 }
4656 return command;
4657 }
4658
4659 /*
4660 * Find end of "+command" argument. Skip over "\ " and "\\".
4661 */
4662 static char_u *
4663 skip_cmd_arg(p, rembs)
4664 char_u *p;
4665 int rembs; /* TRUE to halve the number of backslashes */
4666 {
4667 while (*p && !vim_isspace(*p))
4668 {
4669 if (*p == '\\' && p[1] != NUL)
4670 {
4671 if (rembs)
4672 STRMOVE(p, p + 1);
4673 else
4674 ++p;
4675 }
4676 mb_ptr_adv(p);
4677 }
4678 return p;
4679 }
4680
4681 /*
4682 * Get "++opt=arg" argument.
4683 * Return FAIL or OK.
4684 */
4685 static int
4686 getargopt(eap)
4687 exarg_T *eap;
4688 {
4689 char_u *arg = eap->arg + 2;
4690 int *pp = NULL;
4691 #ifdef FEAT_MBYTE
4692 int bad_char_idx;
4693 char_u *p;
4694 #endif
4695
4696 /* ":edit ++[no]bin[ary] file" */
4697 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4698 {
4699 if (*arg == 'n')
4700 {
4701 arg += 2;
4702 eap->force_bin = FORCE_NOBIN;
4703 }
4704 else
4705 eap->force_bin = FORCE_BIN;
4706 if (!checkforcmd(&arg, "binary", 3))
4707 return FAIL;
4708 eap->arg = skipwhite(arg);
4709 return OK;
4710 }
4711
4712 /* ":read ++edit file" */
4713 if (STRNCMP(arg, "edit", 4) == 0)
4714 {
4715 eap->read_edit = TRUE;
4716 eap->arg = skipwhite(arg + 4);
4717 return OK;
4718 }
4719
4720 if (STRNCMP(arg, "ff", 2) == 0)
4721 {
4722 arg += 2;
4723 pp = &eap->force_ff;
4724 }
4725 else if (STRNCMP(arg, "fileformat", 10) == 0)
4726 {
4727 arg += 10;
4728 pp = &eap->force_ff;
4729 }
4730 #ifdef FEAT_MBYTE
4731 else if (STRNCMP(arg, "enc", 3) == 0)
4732 {
4733 arg += 3;
4734 pp = &eap->force_enc;
4735 }
4736 else if (STRNCMP(arg, "encoding", 8) == 0)
4737 {
4738 arg += 8;
4739 pp = &eap->force_enc;
4740 }
4741 else if (STRNCMP(arg, "bad", 3) == 0)
4742 {
4743 arg += 3;
4744 pp = &bad_char_idx;
4745 }
4746 #endif
4747
4748 if (pp == NULL || *arg != '=')
4749 return FAIL;
4750
4751 ++arg;
4752 *pp = (int)(arg - eap->cmd);
4753 arg = skip_cmd_arg(arg, FALSE);
4754 eap->arg = skipwhite(arg);
4755 *arg = NUL;
4756
4757 #ifdef FEAT_MBYTE
4758 if (pp == &eap->force_ff)
4759 {
4760 #endif
4761 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4762 return FAIL;
4763 #ifdef FEAT_MBYTE
4764 }
4765 else if (pp == &eap->force_enc)
4766 {
4767 /* Make 'fileencoding' lower case. */
4768 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4769 *p = TOLOWER_ASC(*p);
4770 }
4771 else
4772 {
4773 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4774 * "drop". */
4775 p = eap->cmd + bad_char_idx;
4776 if (STRICMP(p, "keep") == 0)
4777 eap->bad_char = BAD_KEEP;
4778 else if (STRICMP(p, "drop") == 0)
4779 eap->bad_char = BAD_DROP;
4780 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4781 eap->bad_char = *p;
4782 else
4783 return FAIL;
4784 }
4785 #endif
4786
4787 return OK;
4788 }
4789
4790 /*
4791 * ":abbreviate" and friends.
4792 */
4793 static void
4794 ex_abbreviate(eap)
4795 exarg_T *eap;
4796 {
4797 do_exmap(eap, TRUE); /* almost the same as mapping */
4798 }
4799
4800 /*
4801 * ":map" and friends.
4802 */
4803 static void
4804 ex_map(eap)
4805 exarg_T *eap;
4806 {
4807 /*
4808 * If we are sourcing .exrc or .vimrc in current directory we
4809 * print the mappings for security reasons.
4810 */
4811 if (secure)
4812 {
4813 secure = 2;
4814 msg_outtrans(eap->cmd);
4815 msg_putchar('\n');
4816 }
4817 do_exmap(eap, FALSE);
4818 }
4819
4820 /*
4821 * ":unmap" and friends.
4822 */
4823 static void
4824 ex_unmap(eap)
4825 exarg_T *eap;
4826 {
4827 do_exmap(eap, FALSE);
4828 }
4829
4830 /*
4831 * ":mapclear" and friends.
4832 */
4833 static void
4834 ex_mapclear(eap)
4835 exarg_T *eap;
4836 {
4837 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4838 }
4839
4840 /*
4841 * ":abclear" and friends.
4842 */
4843 static void
4844 ex_abclear(eap)
4845 exarg_T *eap;
4846 {
4847 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4848 }
4849
4850 #ifdef FEAT_AUTOCMD
4851 static void
4852 ex_autocmd(eap)
4853 exarg_T *eap;
4854 {
4855 /*
4856 * Disallow auto commands from .exrc and .vimrc in current
4857 * directory for security reasons.
4858 */
4859 if (secure)
4860 {
4861 secure = 2;
4862 eap->errmsg = e_curdir;
4863 }
4864 else if (eap->cmdidx == CMD_autocmd)
4865 do_autocmd(eap->arg, eap->forceit);
4866 else
4867 do_augroup(eap->arg, eap->forceit);
4868 }
4869
4870 /*
4871 * ":doautocmd": Apply the automatic commands to the current buffer.
4872 */
4873 static void
4874 ex_doautocmd(eap)
4875 exarg_T *eap;
4876 {
4877 (void)do_doautocmd(eap->arg, TRUE);
4878 do_modelines(0);
4879 }
4880 #endif
4881
4882 #ifdef FEAT_LISTCMDS
4883 /*
4884 * :[N]bunload[!] [N] [bufname] unload buffer
4885 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4886 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4887 */
4888 static void
4889 ex_bunload(eap)
4890 exarg_T *eap;
4891 {
4892 eap->errmsg = do_bufdel(
4893 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4894 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4895 : DOBUF_UNLOAD, eap->arg,
4896 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4897 }
4898
4899 /*
4900 * :[N]buffer [N] to buffer N
4901 * :[N]sbuffer [N] to buffer N
4902 */
4903 static void
4904 ex_buffer(eap)
4905 exarg_T *eap;
4906 {
4907 if (*eap->arg)
4908 eap->errmsg = e_trailing;
4909 else
4910 {
4911 if (eap->addr_count == 0) /* default is current buffer */
4912 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4913 else
4914 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4915 }
4916 }
4917
4918 /*
4919 * :[N]bmodified [N] to next mod. buffer
4920 * :[N]sbmodified [N] to next mod. buffer
4921 */
4922 static void
4923 ex_bmodified(eap)
4924 exarg_T *eap;
4925 {
4926 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4927 }
4928
4929 /*
4930 * :[N]bnext [N] to next buffer
4931 * :[N]sbnext [N] split and to next buffer
4932 */
4933 static void
4934 ex_bnext(eap)
4935 exarg_T *eap;
4936 {
4937 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4938 }
4939
4940 /*
4941 * :[N]bNext [N] to previous buffer
4942 * :[N]bprevious [N] to previous buffer
4943 * :[N]sbNext [N] split and to previous buffer
4944 * :[N]sbprevious [N] split and to previous buffer
4945 */
4946 static void
4947 ex_bprevious(eap)
4948 exarg_T *eap;
4949 {
4950 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4951 }
4952
4953 /*
4954 * :brewind to first buffer
4955 * :bfirst to first buffer
4956 * :sbrewind split and to first buffer
4957 * :sbfirst split and to first buffer
4958 */
4959 static void
4960 ex_brewind(eap)
4961 exarg_T *eap;
4962 {
4963 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4964 }
4965
4966 /*
4967 * :blast to last buffer
4968 * :sblast split and to last buffer
4969 */
4970 static void
4971 ex_blast(eap)
4972 exarg_T *eap;
4973 {
4974 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4975 }
4976 #endif
4977
4978 int
4979 ends_excmd(c)
4980 int c;
4981 {
4982 return (c == NUL || c == '|' || c == '"' || c == '\n');
4983 }
4984
4985 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4986 || defined(PROTO)
4987 /*
4988 * Return the next command, after the first '|' or '\n'.
4989 * Return NULL if not found.
4990 */
4991 char_u *
4992 find_nextcmd(p)
4993 char_u *p;
4994 {
4995 while (*p != '|' && *p != '\n')
4996 {
4997 if (*p == NUL)
4998 return NULL;
4999 ++p;
5000 }
5001 return (p + 1);
5002 }
5003 #endif
5004
5005 /*
5006 * Check if *p is a separator between Ex commands.
5007 * Return NULL if it isn't, (p + 1) if it is.
5008 */
5009 char_u *
5010 check_nextcmd(p)
5011 char_u *p;
5012 {
5013 p = skipwhite(p);
5014 if (*p == '|' || *p == '\n')
5015 return (p + 1);
5016 else
5017 return NULL;
5018 }
5019
5020 /*
5021 * - if there are more files to edit
5022 * - and this is the last window
5023 * - and forceit not used
5024 * - and not repeated twice on a row
5025 * return FAIL and give error message if 'message' TRUE
5026 * return OK otherwise
5027 */
5028 static int
5029 check_more(message, forceit)
5030 int message; /* when FALSE check only, no messages */
5031 int forceit;
5032 {
5033 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5034
5035 if (!forceit && only_one_window()
5036 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5037 {
5038 if (message)
5039 {
5040 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5041 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5042 {
5043 char_u buff[IOSIZE];
5044
5045 if (n == 1)
5046 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5047 else
5048 vim_snprintf((char *)buff, IOSIZE,
5049 _("%d more files to edit. Quit anyway?"), n);
5050 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5051 return OK;
5052 return FAIL;
5053 }
5054 #endif
5055 if (n == 1)
5056 EMSG(_("E173: 1 more file to edit"));
5057 else
5058 EMSGN(_("E173: %ld more files to edit"), n);
5059 quitmore = 2; /* next try to quit is allowed */
5060 }
5061 return FAIL;
5062 }
5063 return OK;
5064 }
5065
5066 #ifdef FEAT_CMDL_COMPL
5067 /*
5068 * Function given to ExpandGeneric() to obtain the list of command names.
5069 */
5070 char_u *
5071 get_command_name(xp, idx)
5072 expand_T *xp UNUSED;
5073 int idx;
5074 {
5075 if (idx >= (int)CMD_SIZE)
5076 # ifdef FEAT_USR_CMDS
5077 return get_user_command_name(idx);
5078 # else
5079 return NULL;
5080 # endif
5081 return cmdnames[idx].cmd_name;
5082 }
5083 #endif
5084
5085 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5086 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));
5087 static void uc_list __ARGS((char_u *name, size_t name_len));
5088 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5089 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5090 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));
5091
5092 static int
5093 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5094 char_u *name;
5095 size_t name_len;
5096 char_u *rep;
5097 long argt;
5098 long def;
5099 int flags;
5100 int compl;
5101 char_u *compl_arg;
5102 int force;
5103 {
5104 ucmd_T *cmd = NULL;
5105 char_u *p;
5106 int i;
5107 int cmp = 1;
5108 char_u *rep_buf = NULL;
5109 garray_T *gap;
5110
5111 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5112 if (rep_buf == NULL)
5113 {
5114 /* Can't replace termcodes - try using the string as is */
5115 rep_buf = vim_strsave(rep);
5116
5117 /* Give up if out of memory */
5118 if (rep_buf == NULL)
5119 return FAIL;
5120 }
5121
5122 /* get address of growarray: global or in curbuf */
5123 if (flags & UC_BUFFER)
5124 {
5125 gap = &curbuf->b_ucmds;
5126 if (gap->ga_itemsize == 0)
5127 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5128 }
5129 else
5130 gap = &ucmds;
5131
5132 /* Search for the command in the already defined commands. */
5133 for (i = 0; i < gap->ga_len; ++i)
5134 {
5135 size_t len;
5136
5137 cmd = USER_CMD_GA(gap, i);
5138 len = STRLEN(cmd->uc_name);
5139 cmp = STRNCMP(name, cmd->uc_name, name_len);
5140 if (cmp == 0)
5141 {
5142 if (name_len < len)
5143 cmp = -1;
5144 else if (name_len > len)
5145 cmp = 1;
5146 }
5147
5148 if (cmp == 0)
5149 {
5150 if (!force)
5151 {
5152 EMSG(_("E174: Command already exists: add ! to replace it"));
5153 goto fail;
5154 }
5155
5156 vim_free(cmd->uc_rep);
5157 cmd->uc_rep = NULL;
5158 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5159 vim_free(cmd->uc_compl_arg);
5160 cmd->uc_compl_arg = NULL;
5161 #endif
5162 break;
5163 }
5164
5165 /* Stop as soon as we pass the name to add */
5166 if (cmp < 0)
5167 break;
5168 }
5169
5170 /* Extend the array unless we're replacing an existing command */
5171 if (cmp != 0)
5172 {
5173 if (ga_grow(gap, 1) != OK)
5174 goto fail;
5175 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5176 goto fail;
5177
5178 cmd = USER_CMD_GA(gap, i);
5179 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5180
5181 ++gap->ga_len;
5182
5183 cmd->uc_name = p;
5184 }
5185
5186 cmd->uc_rep = rep_buf;
5187 cmd->uc_argt = argt;
5188 cmd->uc_def = def;
5189 cmd->uc_compl = compl;
5190 #ifdef FEAT_EVAL
5191 cmd->uc_scriptID = current_SID;
5192 # ifdef FEAT_CMDL_COMPL
5193 cmd->uc_compl_arg = compl_arg;
5194 # endif
5195 #endif
5196
5197 return OK;
5198
5199 fail:
5200 vim_free(rep_buf);
5201 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5202 vim_free(compl_arg);
5203 #endif
5204 return FAIL;
5205 }
5206
5207 /*
5208 * List of names for completion for ":command" with the EXPAND_ flag.
5209 * Must be alphabetical for completion.
5210 */
5211 static struct
5212 {
5213 int expand;
5214 char *name;
5215 } command_complete[] =
5216 {
5217 {EXPAND_AUGROUP, "augroup"},
5218 {EXPAND_BUFFERS, "buffer"},
5219 {EXPAND_COMMANDS, "command"},
5220 #if defined(FEAT_CSCOPE)
5221 {EXPAND_CSCOPE, "cscope"},
5222 #endif
5223 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5224 {EXPAND_USER_DEFINED, "custom"},
5225 {EXPAND_USER_LIST, "customlist"},
5226 #endif
5227 {EXPAND_DIRECTORIES, "dir"},
5228 {EXPAND_ENV_VARS, "environment"},
5229 {EXPAND_EVENTS, "event"},
5230 {EXPAND_EXPRESSION, "expression"},
5231 {EXPAND_FILES, "file"},
5232 {EXPAND_FUNCTIONS, "function"},
5233 {EXPAND_HELP, "help"},
5234 {EXPAND_HIGHLIGHT, "highlight"},
5235 {EXPAND_MAPPINGS, "mapping"},
5236 {EXPAND_MENUS, "menu"},
5237 {EXPAND_SETTINGS, "option"},
5238 {EXPAND_SHELLCMD, "shellcmd"},
5239 #if defined(FEAT_SIGNS)
5240 {EXPAND_SIGN, "sign"},
5241 #endif
5242 {EXPAND_TAGS, "tag"},
5243 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5244 {EXPAND_USER_VARS, "var"},
5245 {0, NULL}
5246 };
5247
5248 static void
5249 uc_list(name, name_len)
5250 char_u *name;
5251 size_t name_len;
5252 {
5253 int i, j;
5254 int found = FALSE;
5255 ucmd_T *cmd;
5256 int len;
5257 long a;
5258 garray_T *gap;
5259
5260 gap = &curbuf->b_ucmds;
5261 for (;;)
5262 {
5263 for (i = 0; i < gap->ga_len; ++i)
5264 {
5265 cmd = USER_CMD_GA(gap, i);
5266 a = (long)cmd->uc_argt;
5267
5268 /* Skip commands which don't match the requested prefix */
5269 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5270 continue;
5271
5272 /* Put out the title first time */
5273 if (!found)
5274 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5275 found = TRUE;
5276 msg_putchar('\n');
5277 if (got_int)
5278 break;
5279
5280 /* Special cases */
5281 msg_putchar(a & BANG ? '!' : ' ');
5282 msg_putchar(a & REGSTR ? '"' : ' ');
5283 msg_putchar(gap != &ucmds ? 'b' : ' ');
5284 msg_putchar(' ');
5285
5286 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5287 len = (int)STRLEN(cmd->uc_name) + 4;
5288
5289 do {
5290 msg_putchar(' ');
5291 ++len;
5292 } while (len < 16);
5293
5294 len = 0;
5295
5296 /* Arguments */
5297 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5298 {
5299 case 0: IObuff[len++] = '0'; break;
5300 case (EXTRA): IObuff[len++] = '*'; break;
5301 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5302 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5303 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5304 }
5305
5306 do {
5307 IObuff[len++] = ' ';
5308 } while (len < 5);
5309
5310 /* Range */
5311 if (a & (RANGE|COUNT))
5312 {
5313 if (a & COUNT)
5314 {
5315 /* -count=N */
5316 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5317 len += (int)STRLEN(IObuff + len);
5318 }
5319 else if (a & DFLALL)
5320 IObuff[len++] = '%';
5321 else if (cmd->uc_def >= 0)
5322 {
5323 /* -range=N */
5324 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5325 len += (int)STRLEN(IObuff + len);
5326 }
5327 else
5328 IObuff[len++] = '.';
5329 }
5330
5331 do {
5332 IObuff[len++] = ' ';
5333 } while (len < 11);
5334
5335 /* Completion */
5336 for (j = 0; command_complete[j].expand != 0; ++j)
5337 if (command_complete[j].expand == cmd->uc_compl)
5338 {
5339 STRCPY(IObuff + len, command_complete[j].name);
5340 len += (int)STRLEN(IObuff + len);
5341 break;
5342 }
5343
5344 do {
5345 IObuff[len++] = ' ';
5346 } while (len < 21);
5347
5348 IObuff[len] = '\0';
5349 msg_outtrans(IObuff);
5350
5351 msg_outtrans_special(cmd->uc_rep, FALSE);
5352 #ifdef FEAT_EVAL
5353 if (p_verbose > 0)
5354 last_set_msg(cmd->uc_scriptID);
5355 #endif
5356 out_flush();
5357 ui_breakcheck();
5358 if (got_int)
5359 break;
5360 }
5361 if (gap == &ucmds || i < gap->ga_len)
5362 break;
5363 gap = &ucmds;
5364 }
5365
5366 if (!found)
5367 MSG(_("No user-defined commands found"));
5368 }
5369
5370 static char_u *
5371 uc_fun_cmd()
5372 {
5373 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5374 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5375 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5376 0xb9, 0x7f, 0};
5377 int i;
5378
5379 for (i = 0; fcmd[i]; ++i)
5380 IObuff[i] = fcmd[i] - 0x40;
5381 IObuff[i] = 0;
5382 return IObuff;
5383 }
5384
5385 static int
5386 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5387 char_u *attr;
5388 size_t len;
5389 long *argt;
5390 long *def;
5391 int *flags;
5392 int *compl;
5393 char_u **compl_arg;
5394 {
5395 char_u *p;
5396
5397 if (len == 0)
5398 {
5399 EMSG(_("E175: No attribute specified"));
5400 return FAIL;
5401 }
5402
5403 /* First, try the simple attributes (no arguments) */
5404 if (STRNICMP(attr, "bang", len) == 0)
5405 *argt |= BANG;
5406 else if (STRNICMP(attr, "buffer", len) == 0)
5407 *flags |= UC_BUFFER;
5408 else if (STRNICMP(attr, "register", len) == 0)
5409 *argt |= REGSTR;
5410 else if (STRNICMP(attr, "bar", len) == 0)
5411 *argt |= TRLBAR;
5412 else
5413 {
5414 int i;
5415 char_u *val = NULL;
5416 size_t vallen = 0;
5417 size_t attrlen = len;
5418
5419 /* Look for the attribute name - which is the part before any '=' */
5420 for (i = 0; i < (int)len; ++i)
5421 {
5422 if (attr[i] == '=')
5423 {
5424 val = &attr[i + 1];
5425 vallen = len - i - 1;
5426 attrlen = i;
5427 break;
5428 }
5429 }
5430
5431 if (STRNICMP(attr, "nargs", attrlen) == 0)
5432 {
5433 if (vallen == 1)
5434 {
5435 if (*val == '0')
5436 /* Do nothing - this is the default */;
5437 else if (*val == '1')
5438 *argt |= (EXTRA | NOSPC | NEEDARG);
5439 else if (*val == '*')
5440 *argt |= EXTRA;
5441 else if (*val == '?')
5442 *argt |= (EXTRA | NOSPC);
5443 else if (*val == '+')
5444 *argt |= (EXTRA | NEEDARG);
5445 else
5446 goto wrong_nargs;
5447 }
5448 else
5449 {
5450 wrong_nargs:
5451 EMSG(_("E176: Invalid number of arguments"));
5452 return FAIL;
5453 }
5454 }
5455 else if (STRNICMP(attr, "range", attrlen) == 0)
5456 {
5457 *argt |= RANGE;
5458 if (vallen == 1 && *val == '%')
5459 *argt |= DFLALL;
5460 else if (val != NULL)
5461 {
5462 p = val;
5463 if (*def >= 0)
5464 {
5465 two_count:
5466 EMSG(_("E177: Count cannot be specified twice"));
5467 return FAIL;
5468 }
5469
5470 *def = getdigits(&p);
5471 *argt |= (ZEROR | NOTADR);
5472
5473 if (p != val + vallen || vallen == 0)
5474 {
5475 invalid_count:
5476 EMSG(_("E178: Invalid default value for count"));
5477 return FAIL;
5478 }
5479 }
5480 }
5481 else if (STRNICMP(attr, "count", attrlen) == 0)
5482 {
5483 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5484
5485 if (val != NULL)
5486 {
5487 p = val;
5488 if (*def >= 0)
5489 goto two_count;
5490
5491 *def = getdigits(&p);
5492
5493 if (p != val + vallen)
5494 goto invalid_count;
5495 }
5496
5497 if (*def < 0)
5498 *def = 0;
5499 }
5500 else if (STRNICMP(attr, "complete", attrlen) == 0)
5501 {
5502 if (val == NULL)
5503 {
5504 EMSG(_("E179: argument required for -complete"));
5505 return FAIL;
5506 }
5507
5508 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5509 == FAIL)
5510 return FAIL;
5511 }
5512 else
5513 {
5514 char_u ch = attr[len];
5515 attr[len] = '\0';
5516 EMSG2(_("E181: Invalid attribute: %s"), attr);
5517 attr[len] = ch;
5518 return FAIL;
5519 }
5520 }
5521
5522 return OK;
5523 }
5524
5525 /*
5526 * ":command ..."
5527 */
5528 static void
5529 ex_command(eap)
5530 exarg_T *eap;
5531 {
5532 char_u *name;
5533 char_u *end;
5534 char_u *p;
5535 long argt = 0;
5536 long def = -1;
5537 int flags = 0;
5538 int compl = EXPAND_NOTHING;
5539 char_u *compl_arg = NULL;
5540 int has_attr = (eap->arg[0] == '-');
5541
5542 p = eap->arg;
5543
5544 /* Check for attributes */
5545 while (*p == '-')
5546 {
5547 ++p;
5548 end = skiptowhite(p);
5549 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5550 == FAIL)
5551 return;
5552 p = skipwhite(end);
5553 }
5554
5555 /* Get the name (if any) and skip to the following argument */
5556 name = p;
5557 if (ASCII_ISALPHA(*p))
5558 while (ASCII_ISALNUM(*p))
5559 ++p;
5560 if (!ends_excmd(*p) && !vim_iswhite(*p))
5561 {
5562 EMSG(_("E182: Invalid command name"));
5563 return;
5564 }
5565 end = p;
5566
5567 /* If there is nothing after the name, and no attributes were specified,
5568 * we are listing commands
5569 */
5570 p = skipwhite(end);
5571 if (!has_attr && ends_excmd(*p))
5572 {
5573 uc_list(name, end - name);
5574 }
5575 else if (!ASCII_ISUPPER(*name))
5576 {
5577 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5578 return;
5579 }
5580 else
5581 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5582 eap->forceit);
5583 }
5584
5585 /*
5586 * ":comclear"
5587 * Clear all user commands, global and for current buffer.
5588 */
5589 void
5590 ex_comclear(eap)
5591 exarg_T *eap UNUSED;
5592 {
5593 uc_clear(&ucmds);
5594 uc_clear(&curbuf->b_ucmds);
5595 }
5596
5597 /*
5598 * Clear all user commands for "gap".
5599 */
5600 void
5601 uc_clear(gap)
5602 garray_T *gap;
5603 {
5604 int i;
5605 ucmd_T *cmd;
5606
5607 for (i = 0; i < gap->ga_len; ++i)
5608 {
5609 cmd = USER_CMD_GA(gap, i);
5610 vim_free(cmd->uc_name);
5611 vim_free(cmd->uc_rep);
5612 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5613 vim_free(cmd->uc_compl_arg);
5614 # endif
5615 }
5616 ga_clear(gap);
5617 }
5618
5619 static void
5620 ex_delcommand(eap)
5621 exarg_T *eap;
5622 {
5623 int i = 0;
5624 ucmd_T *cmd = NULL;
5625 int cmp = -1;
5626 garray_T *gap;
5627
5628 gap = &curbuf->b_ucmds;
5629 for (;;)
5630 {
5631 for (i = 0; i < gap->ga_len; ++i)
5632 {
5633 cmd = USER_CMD_GA(gap, i);
5634 cmp = STRCMP(eap->arg, cmd->uc_name);
5635 if (cmp <= 0)
5636 break;
5637 }
5638 if (gap == &ucmds || cmp == 0)
5639 break;
5640 gap = &ucmds;
5641 }
5642
5643 if (cmp != 0)
5644 {
5645 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5646 return;
5647 }
5648
5649 vim_free(cmd->uc_name);
5650 vim_free(cmd->uc_rep);
5651 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5652 vim_free(cmd->uc_compl_arg);
5653 # endif
5654
5655 --gap->ga_len;
5656
5657 if (i < gap->ga_len)
5658 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5659 }
5660
5661 /*
5662 * split and quote args for <f-args>
5663 */
5664 static char_u *
5665 uc_split_args(arg, lenp)
5666 char_u *arg;
5667 size_t *lenp;
5668 {
5669 char_u *buf;
5670 char_u *p;
5671 char_u *q;
5672 int len;
5673
5674 /* Precalculate length */
5675 p = arg;
5676 len = 2; /* Initial and final quotes */
5677
5678 while (*p)
5679 {
5680 if (p[0] == '\\' && p[1] == '\\')
5681 {
5682 len += 2;
5683 p += 2;
5684 }
5685 else if (p[0] == '\\' && vim_iswhite(p[1]))
5686 {
5687 len += 1;
5688 p += 2;
5689 }
5690 else if (*p == '\\' || *p == '"')
5691 {
5692 len += 2;
5693 p += 1;
5694 }
5695 else if (vim_iswhite(*p))
5696 {
5697 p = skipwhite(p);
5698 if (*p == NUL)
5699 break;
5700 len += 3; /* "," */
5701 }
5702 else
5703 {
5704 ++len;
5705 ++p;
5706 }
5707 }
5708
5709 buf = alloc(len + 1);
5710 if (buf == NULL)
5711 {
5712 *lenp = 0;
5713 return buf;
5714 }
5715
5716 p = arg;
5717 q = buf;
5718 *q++ = '"';
5719 while (*p)
5720 {
5721 if (p[0] == '\\' && p[1] == '\\')
5722 {
5723 *q++ = '\\';
5724 *q++ = '\\';
5725 p += 2;
5726 }
5727 else if (p[0] == '\\' && vim_iswhite(p[1]))
5728 {
5729 *q++ = p[1];
5730 p += 2;
5731 }
5732 else if (*p == '\\' || *p == '"')
5733 {
5734 *q++ = '\\';
5735 *q++ = *p++;
5736 }
5737 else if (vim_iswhite(*p))
5738 {
5739 p = skipwhite(p);
5740 if (*p == NUL)
5741 break;
5742 *q++ = '"';
5743 *q++ = ',';
5744 *q++ = '"';
5745 }
5746 else
5747 {
5748 *q++ = *p++;
5749 }
5750 }
5751 *q++ = '"';
5752 *q = 0;
5753
5754 *lenp = len;
5755 return buf;
5756 }
5757
5758 /*
5759 * Check for a <> code in a user command.
5760 * "code" points to the '<'. "len" the length of the <> (inclusive).
5761 * "buf" is where the result is to be added.
5762 * "split_buf" points to a buffer used for splitting, caller should free it.
5763 * "split_len" is the length of what "split_buf" contains.
5764 * Returns the length of the replacement, which has been added to "buf".
5765 * Returns -1 if there was no match, and only the "<" has been copied.
5766 */
5767 static size_t
5768 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5769 char_u *code;
5770 size_t len;
5771 char_u *buf;
5772 ucmd_T *cmd; /* the user command we're expanding */
5773 exarg_T *eap; /* ex arguments */
5774 char_u **split_buf;
5775 size_t *split_len;
5776 {
5777 size_t result = 0;
5778 char_u *p = code + 1;
5779 size_t l = len - 2;
5780 int quote = 0;
5781 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5782 ct_LT, ct_NONE } type = ct_NONE;
5783
5784 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5785 {
5786 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5787 p += 2;
5788 l -= 2;
5789 }
5790
5791 ++l;
5792 if (l <= 1)
5793 type = ct_NONE;
5794 else if (STRNICMP(p, "args>", l) == 0)
5795 type = ct_ARGS;
5796 else if (STRNICMP(p, "bang>", l) == 0)
5797 type = ct_BANG;
5798 else if (STRNICMP(p, "count>", l) == 0)
5799 type = ct_COUNT;
5800 else if (STRNICMP(p, "line1>", l) == 0)
5801 type = ct_LINE1;
5802 else if (STRNICMP(p, "line2>", l) == 0)
5803 type = ct_LINE2;
5804 else if (STRNICMP(p, "lt>", l) == 0)
5805 type = ct_LT;
5806 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5807 type = ct_REGISTER;
5808
5809 switch (type)
5810 {
5811 case ct_ARGS:
5812 /* Simple case first */
5813 if (*eap->arg == NUL)
5814 {
5815 if (quote == 1)
5816 {
5817 result = 2;
5818 if (buf != NULL)
5819 STRCPY(buf, "''");
5820 }
5821 else
5822 result = 0;
5823 break;
5824 }
5825
5826 /* When specified there is a single argument don't split it.
5827 * Works for ":Cmd %" when % is "a b c". */
5828 if ((eap->argt & NOSPC) && quote == 2)
5829 quote = 1;
5830
5831 switch (quote)
5832 {
5833 case 0: /* No quoting, no splitting */
5834 result = STRLEN(eap->arg);
5835 if (buf != NULL)
5836 STRCPY(buf, eap->arg);
5837 break;
5838 case 1: /* Quote, but don't split */
5839 result = STRLEN(eap->arg) + 2;
5840 for (p = eap->arg; *p; ++p)
5841 {
5842 if (*p == '\\' || *p == '"')
5843 ++result;
5844 }
5845
5846 if (buf != NULL)
5847 {
5848 *buf++ = '"';
5849 for (p = eap->arg; *p; ++p)
5850 {
5851 if (*p == '\\' || *p == '"')
5852 *buf++ = '\\';
5853 *buf++ = *p;
5854 }
5855 *buf = '"';
5856 }
5857
5858 break;
5859 case 2: /* Quote and split (<f-args>) */
5860 /* This is hard, so only do it once, and cache the result */
5861 if (*split_buf == NULL)
5862 *split_buf = uc_split_args(eap->arg, split_len);
5863
5864 result = *split_len;
5865 if (buf != NULL && result != 0)
5866 STRCPY(buf, *split_buf);
5867
5868 break;
5869 }
5870 break;
5871
5872 case ct_BANG:
5873 result = eap->forceit ? 1 : 0;
5874 if (quote)
5875 result += 2;
5876 if (buf != NULL)
5877 {
5878 if (quote)
5879 *buf++ = '"';
5880 if (eap->forceit)
5881 *buf++ = '!';
5882 if (quote)
5883 *buf = '"';
5884 }
5885 break;
5886
5887 case ct_LINE1:
5888 case ct_LINE2:
5889 case ct_COUNT:
5890 {
5891 char num_buf[20];
5892 long num = (type == ct_LINE1) ? eap->line1 :
5893 (type == ct_LINE2) ? eap->line2 :
5894 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5895 size_t num_len;
5896
5897 sprintf(num_buf, "%ld", num);
5898 num_len = STRLEN(num_buf);
5899 result = num_len;
5900
5901 if (quote)
5902 result += 2;
5903
5904 if (buf != NULL)
5905 {
5906 if (quote)
5907 *buf++ = '"';
5908 STRCPY(buf, num_buf);
5909 buf += num_len;
5910 if (quote)
5911 *buf = '"';
5912 }
5913
5914 break;
5915 }
5916
5917 case ct_REGISTER:
5918 result = eap->regname ? 1 : 0;
5919 if (quote)
5920 result += 2;
5921 if (buf != NULL)
5922 {
5923 if (quote)
5924 *buf++ = '\'';
5925 if (eap->regname)
5926 *buf++ = eap->regname;
5927 if (quote)
5928 *buf = '\'';
5929 }
5930 break;
5931
5932 case ct_LT:
5933 result = 1;
5934 if (buf != NULL)
5935 *buf = '<';
5936 break;
5937
5938 default:
5939 /* Not recognized: just copy the '<' and return -1. */
5940 result = (size_t)-1;
5941 if (buf != NULL)
5942 *buf = '<';
5943 break;
5944 }
5945
5946 return result;
5947 }
5948
5949 static void
5950 do_ucmd(eap)
5951 exarg_T *eap;
5952 {
5953 char_u *buf;
5954 char_u *p;
5955 char_u *q;
5956
5957 char_u *start;
5958 char_u *end = NULL;
5959 char_u *ksp;
5960 size_t len, totlen;
5961
5962 size_t split_len = 0;
5963 char_u *split_buf = NULL;
5964 ucmd_T *cmd;
5965 #ifdef FEAT_EVAL
5966 scid_T save_current_SID = current_SID;
5967 #endif
5968
5969 if (eap->cmdidx == CMD_USER)
5970 cmd = USER_CMD(eap->useridx);
5971 else
5972 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5973
5974 /*
5975 * Replace <> in the command by the arguments.
5976 * First round: "buf" is NULL, compute length, allocate "buf".
5977 * Second round: copy result into "buf".
5978 */
5979 buf = NULL;
5980 for (;;)
5981 {
5982 p = cmd->uc_rep; /* source */
5983 q = buf; /* destination */
5984 totlen = 0;
5985
5986 for (;;)
5987 {
5988 start = vim_strchr(p, '<');
5989 if (start != NULL)
5990 end = vim_strchr(start + 1, '>');
5991 if (buf != NULL)
5992 {
5993 ksp = vim_strchr(p, K_SPECIAL);
5994 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5995 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5996 # ifdef FEAT_GUI
5997 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5998 # endif
5999 ))
6000 {
6001 /* K_SPECIAL han been put in the buffer as K_SPECIAL
6002 * KS_SPECIAL KE_FILLER, like for mappings, but
6003 * do_cmdline() doesn't handle that, so convert it back.
6004 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
6005 len = ksp - p;
6006 if (len > 0)
6007 {
6008 mch_memmove(q, p, len);
6009 q += len;
6010 }
6011 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6012 p = ksp + 3;
6013 continue;
6014 }
6015 }
6016
6017 /* break if there no <item> is found */
6018 if (start == NULL || end == NULL)
6019 break;
6020
6021 /* Include the '>' */
6022 ++end;
6023
6024 /* Take everything up to the '<' */
6025 len = start - p;
6026 if (buf == NULL)
6027 totlen += len;
6028 else
6029 {
6030 mch_memmove(q, p, len);
6031 q += len;
6032 }
6033
6034 len = uc_check_code(start, end - start, q, cmd, eap,
6035 &split_buf, &split_len);
6036 if (len == (size_t)-1)
6037 {
6038 /* no match, continue after '<' */
6039 p = start + 1;
6040 len = 1;
6041 }
6042 else
6043 p = end;
6044 if (buf == NULL)
6045 totlen += len;
6046 else
6047 q += len;
6048 }
6049 if (buf != NULL) /* second time here, finished */
6050 {
6051 STRCPY(q, p);
6052 break;
6053 }
6054
6055 totlen += STRLEN(p); /* Add on the trailing characters */
6056 buf = alloc((unsigned)(totlen + 1));
6057 if (buf == NULL)
6058 {
6059 vim_free(split_buf);
6060 return;
6061 }
6062 }
6063
6064 #ifdef FEAT_EVAL
6065 current_SID = cmd->uc_scriptID;
6066 #endif
6067 (void)do_cmdline(buf, eap->getline, eap->cookie,
6068 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6069 #ifdef FEAT_EVAL
6070 current_SID = save_current_SID;
6071 #endif
6072 vim_free(buf);
6073 vim_free(split_buf);
6074 }
6075
6076 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6077 static char_u *
6078 get_user_command_name(idx)
6079 int idx;
6080 {
6081 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6082 }
6083
6084 /*
6085 * Function given to ExpandGeneric() to obtain the list of user command names.
6086 */
6087 char_u *
6088 get_user_commands(xp, idx)
6089 expand_T *xp UNUSED;
6090 int idx;
6091 {
6092 if (idx < curbuf->b_ucmds.ga_len)
6093 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6094 idx -= curbuf->b_ucmds.ga_len;
6095 if (idx < ucmds.ga_len)
6096 return USER_CMD(idx)->uc_name;
6097 return NULL;
6098 }
6099
6100 /*
6101 * Function given to ExpandGeneric() to obtain the list of user command
6102 * attributes.
6103 */
6104 char_u *
6105 get_user_cmd_flags(xp, idx)
6106 expand_T *xp UNUSED;
6107 int idx;
6108 {
6109 static char *user_cmd_flags[] =
6110 {"bang", "bar", "buffer", "complete", "count",
6111 "nargs", "range", "register"};
6112
6113 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6114 return NULL;
6115 return (char_u *)user_cmd_flags[idx];
6116 }
6117
6118 /*
6119 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6120 */
6121 char_u *
6122 get_user_cmd_nargs(xp, idx)
6123 expand_T *xp UNUSED;
6124 int idx;
6125 {
6126 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6127
6128 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6129 return NULL;
6130 return (char_u *)user_cmd_nargs[idx];
6131 }
6132
6133 /*
6134 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6135 */
6136 char_u *
6137 get_user_cmd_complete(xp, idx)
6138 expand_T *xp UNUSED;
6139 int idx;
6140 {
6141 return (char_u *)command_complete[idx].name;
6142 }
6143 # endif /* FEAT_CMDL_COMPL */
6144
6145 #endif /* FEAT_USR_CMDS */
6146
6147 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6148 /*
6149 * Parse a completion argument "value[vallen]".
6150 * The detected completion goes in "*complp", argument type in "*argt".
6151 * When there is an argument, for function and user defined completion, it's
6152 * copied to allocated memory and stored in "*compl_arg".
6153 * Returns FAIL if something is wrong.
6154 */
6155 int
6156 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6157 char_u *value;
6158 int vallen;
6159 int *complp;
6160 long *argt;
6161 char_u **compl_arg;
6162 {
6163 char_u *arg = NULL;
6164 size_t arglen = 0;
6165 int i;
6166 int valend = vallen;
6167
6168 /* Look for any argument part - which is the part after any ',' */
6169 for (i = 0; i < vallen; ++i)
6170 {
6171 if (value[i] == ',')
6172 {
6173 arg = &value[i + 1];
6174 arglen = vallen - i - 1;
6175 valend = i;
6176 break;
6177 }
6178 }
6179
6180 for (i = 0; command_complete[i].expand != 0; ++i)
6181 {
6182 if ((int)STRLEN(command_complete[i].name) == valend
6183 && STRNCMP(value, command_complete[i].name, valend) == 0)
6184 {
6185 *complp = command_complete[i].expand;
6186 if (command_complete[i].expand == EXPAND_BUFFERS)
6187 *argt |= BUFNAME;
6188 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6189 || command_complete[i].expand == EXPAND_FILES)
6190 *argt |= XFILE;
6191 break;
6192 }
6193 }
6194
6195 if (command_complete[i].expand == 0)
6196 {
6197 EMSG2(_("E180: Invalid complete value: %s"), value);
6198 return FAIL;
6199 }
6200
6201 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6202 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6203 && arg != NULL)
6204 # else
6205 if (arg != NULL)
6206 # endif
6207 {
6208 EMSG(_("E468: Completion argument only allowed for custom completion"));
6209 return FAIL;
6210 }
6211
6212 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6213 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6214 && arg == NULL)
6215 {
6216 EMSG(_("E467: Custom completion requires a function argument"));
6217 return FAIL;
6218 }
6219
6220 if (arg != NULL)
6221 *compl_arg = vim_strnsave(arg, (int)arglen);
6222 # endif
6223 return OK;
6224 }
6225 #endif
6226
6227 static void
6228 ex_colorscheme(eap)
6229 exarg_T *eap;
6230 {
6231 if (*eap->arg == NUL)
6232 {
6233 #ifdef FEAT_EVAL
6234 char_u *expr = vim_strsave((char_u *)"g:colors_name");
6235 char_u *p = NULL;
6236
6237 if (expr != NULL)
6238 {
6239 ++emsg_off;
6240 p = eval_to_string(expr, NULL, FALSE);
6241 --emsg_off;
6242 vim_free(expr);
6243 }
6244 if (p != NULL)
6245 {
6246 MSG(p);
6247 vim_free(p);
6248 }
6249 else
6250 MSG("default");
6251 #else
6252 MSG(_("unknown"));
6253 #endif
6254 }
6255 else if (load_colors(eap->arg) == FAIL)
6256 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6257 }
6258
6259 static void
6260 ex_codecheck(eap)
6261 exarg_T *eap;
6262 {
6263 switch (eap->cmdidx) {
6264 case CMD_ccadd:
6265 if (!cc_get_is_started())
6266 cc_init();
6267 if (cc_is_buf_ok(curbuf)) {
6268 if (*eap->arg != NUL)
6269 cc_addbuf_setcmd(curbuf, eap->arg);
6270 else
6271 EMSG(_("You have to specify a valid compile command "
6272 "in order to add this buffer to watchlist."));
6273 } else
6274 EMSG(_("The present version of CodeCheck does not support "
6275 "this language."));
6276 break;
6277 case CMD_ccrem:
6278 cc_rem_buf(curbuf);
6279 if (cc_get_bufcount() == 0)
6280 cc_exit();
6281 break;
6282 default:
6283 return;
6284 }
6285 }
6286
6287 static void
6288 ex_highlight(eap)
6289 exarg_T *eap;
6290 {
6291 if (*eap->arg == NUL && eap->cmd[2] == '!')
6292 MSG(_("Greetings, Vim user!"));
6293 do_highlight(eap->arg, eap->forceit, FALSE);
6294 }
6295
6296
6297 /*
6298 * Call this function if we thought we were going to exit, but we won't
6299 * (because of an error). May need to restore the terminal mode.
6300 */
6301 void
6302 not_exiting()
6303 {
6304 exiting = FALSE;
6305 settmode(TMODE_RAW);
6306 }
6307
6308 /*
6309 * ":quit": quit current window, quit Vim if closed the last window.
6310 */
6311 static void
6312 ex_quit(eap)
6313 exarg_T *eap;
6314 {
6315 #ifdef FEAT_CMDWIN
6316 if (cmdwin_type != 0)
6317 {
6318 cmdwin_result = Ctrl_C;
6319 return;
6320 }
6321 #endif
6322 /* Don't quit while editing the command line. */
6323 if (text_locked())
6324 {
6325 text_locked_msg();
6326 return;
6327 }
6328 #ifdef FEAT_AUTOCMD
6329 if (curbuf_locked())
6330 return;
6331 #endif
6332
6333 #ifdef FEAT_NETBEANS_INTG
6334 netbeansForcedQuit = eap->forceit;
6335 #endif
6336
6337 /*
6338 * If there are more files or windows we won't exit.
6339 */
6340 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6341 exiting = TRUE;
6342 if ((!P_HID(curbuf)
6343 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6344 || check_more(TRUE, eap->forceit) == FAIL
6345 || (only_one_window() && check_changed_any(eap->forceit)))
6346 {
6347 not_exiting();
6348 }
6349 else
6350 {
6351 #ifdef FEAT_WINDOWS
6352 if (only_one_window()) /* quit last window */
6353 #endif
6354 getout(0);
6355 #ifdef FEAT_WINDOWS
6356 # ifdef FEAT_GUI
6357 need_mouse_correct = TRUE;
6358 # endif
6359 /* close window; may free buffer */
6360 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6361 #endif
6362 }
6363 }
6364
6365 /*
6366 * ":cquit".
6367 */
6368 static void
6369 ex_cquit(eap)
6370 exarg_T *eap UNUSED;
6371 {
6372 getout(1); /* this does not always pass on the exit code to the Manx
6373 compiler. why? */
6374 }
6375
6376 /*
6377 * ":qall": try to quit all windows
6378 */
6379 static void
6380 ex_quit_all(eap)
6381 exarg_T *eap;
6382 {
6383 # ifdef FEAT_CMDWIN
6384 if (cmdwin_type != 0)
6385 {
6386 if (eap->forceit)
6387 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6388 else
6389 cmdwin_result = K_XF2;
6390 return;
6391 }
6392 # endif
6393
6394 /* Don't quit while editing the command line. */
6395 if (text_locked())
6396 {
6397 text_locked_msg();
6398 return;
6399 }
6400 #ifdef FEAT_AUTOCMD
6401 if (curbuf_locked())
6402 return;
6403 #endif
6404
6405 exiting = TRUE;
6406 if (eap->forceit || !check_changed_any(FALSE))
6407 getout(0);
6408 not_exiting();
6409 }
6410
6411 #if defined(FEAT_WINDOWS) || defined(PROTO)
6412 /*
6413 * ":close": close current window, unless it is the last one
6414 */
6415 static void
6416 ex_close(eap)
6417 exarg_T *eap;
6418 {
6419 # ifdef FEAT_CMDWIN
6420 if (cmdwin_type != 0)
6421 cmdwin_result = K_IGNORE;
6422 else
6423 # endif
6424 if (!text_locked()
6425 #ifdef FEAT_AUTOCMD
6426 && !curbuf_locked()
6427 #endif
6428 )
6429 ex_win_close(eap->forceit, curwin, NULL);
6430 }
6431
6432 # ifdef FEAT_QUICKFIX
6433 /*
6434 * ":pclose": Close any preview window.
6435 */
6436 static void
6437 ex_pclose(eap)
6438 exarg_T *eap;
6439 {
6440 win_T *win;
6441
6442 for (win = firstwin; win != NULL; win = win->w_next)
6443 if (win->w_p_pvw)
6444 {
6445 ex_win_close(eap->forceit, win, NULL);
6446 break;
6447 }
6448 }
6449 # endif
6450
6451 /*
6452 * Close window "win" and take care of handling closing the last window for a
6453 * modified buffer.
6454 */
6455 static void
6456 ex_win_close(forceit, win, tp)
6457 int forceit;
6458 win_T *win;
6459 tabpage_T *tp; /* NULL or the tab page "win" is in */
6460 {
6461 int need_hide;
6462 buf_T *buf = win->w_buffer;
6463
6464 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6465 if (need_hide && !P_HID(buf) && !forceit)
6466 {
6467 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6468 if ((p_confirm || cmdmod.confirm) && p_write)
6469 {
6470 dialog_changed(buf, FALSE);
6471 if (buf_valid(buf) && bufIsChanged(buf))
6472 return;
6473 need_hide = FALSE;
6474 }
6475 else
6476 # endif
6477 {
6478 EMSG(_(e_nowrtmsg));
6479 return;
6480 }
6481 }
6482
6483 # ifdef FEAT_GUI
6484 need_mouse_correct = TRUE;
6485 # endif
6486
6487 /* free buffer when not hiding it or when it's a scratch buffer */
6488 if (tp == NULL)
6489 win_close(win, !need_hide && !P_HID(buf));
6490 else
6491 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6492 }
6493
6494 /*
6495 * ":tabclose": close current tab page, unless it is the last one.
6496 * ":tabclose N": close tab page N.
6497 */
6498 static void
6499 ex_tabclose(eap)
6500 exarg_T *eap;
6501 {
6502 tabpage_T *tp;
6503
6504 # ifdef FEAT_CMDWIN
6505 if (cmdwin_type != 0)
6506 cmdwin_result = K_IGNORE;
6507 else
6508 # endif
6509 if (first_tabpage->tp_next == NULL)
6510 EMSG(_("E784: Cannot close last tab page"));
6511 else
6512 {
6513 if (eap->addr_count > 0)
6514 {
6515 tp = find_tabpage((int)eap->line2);
6516 if (tp == NULL)
6517 {
6518 beep_flush();
6519 return;
6520 }
6521 if (tp != curtab)
6522 {
6523 tabpage_close_other(tp, eap->forceit);
6524 return;
6525 }
6526 }
6527 if (!text_locked()
6528 #ifdef FEAT_AUTOCMD
6529 && !curbuf_locked()
6530 #endif
6531 )
6532 tabpage_close(eap->forceit);
6533 }
6534 }
6535
6536 /*
6537 * ":tabonly": close all tab pages except the current one
6538 */
6539 static void
6540 ex_tabonly(eap)
6541 exarg_T *eap;
6542 {
6543 tabpage_T *tp;
6544 int done;
6545
6546 # ifdef FEAT_CMDWIN
6547 if (cmdwin_type != 0)
6548 cmdwin_result = K_IGNORE;
6549 else
6550 # endif
6551 if (first_tabpage->tp_next == NULL)
6552 MSG(_("Already only one tab page"));
6553 else
6554 {
6555 /* Repeat this up to a 1000 times, because autocommands may mess
6556 * up the lists. */
6557 for (done = 0; done < 1000; ++done)
6558 {
6559 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6560 if (tp->tp_topframe != topframe)
6561 {
6562 tabpage_close_other(tp, eap->forceit);
6563 /* if we failed to close it quit */
6564 if (valid_tabpage(tp))
6565 done = 1000;
6566 /* start over, "tp" is now invalid */
6567 break;
6568 }
6569 if (first_tabpage->tp_next == NULL)
6570 break;
6571 }
6572 }
6573 }
6574
6575 /*
6576 * Close the current tab page.
6577 */
6578 void
6579 tabpage_close(forceit)
6580 int forceit;
6581 {
6582 /* First close all the windows but the current one. If that worked then
6583 * close the last window in this tab, that will close it. */
6584 if (lastwin != firstwin)
6585 close_others(TRUE, forceit);
6586 if (lastwin == firstwin)
6587 ex_win_close(forceit, curwin, NULL);
6588 # ifdef FEAT_GUI
6589 need_mouse_correct = TRUE;
6590 # endif
6591 }
6592
6593 /*
6594 * Close tab page "tp", which is not the current tab page.
6595 * Note that autocommands may make "tp" invalid.
6596 * Also takes care of the tab pages line disappearing when closing the
6597 * last-but-one tab page.
6598 */
6599 void
6600 tabpage_close_other(tp, forceit)
6601 tabpage_T *tp;
6602 int forceit;
6603 {
6604 int done = 0;
6605 win_T *wp;
6606 int h = tabline_height();
6607
6608 /* Limit to 1000 windows, autocommands may add a window while we close
6609 * one. OK, so I'm paranoid... */
6610 while (++done < 1000)
6611 {
6612 wp = tp->tp_firstwin;
6613 ex_win_close(forceit, wp, tp);
6614
6615 /* Autocommands may delete the tab page under our fingers and we may
6616 * fail to close a window with a modified buffer. */
6617 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6618 break;
6619 }
6620
6621 redraw_tabline = TRUE;
6622 if (h != tabline_height())
6623 shell_new_rows();
6624 }
6625
6626 /*
6627 * ":only".
6628 */
6629 static void
6630 ex_only(eap)
6631 exarg_T *eap;
6632 {
6633 # ifdef FEAT_GUI
6634 need_mouse_correct = TRUE;
6635 # endif
6636 close_others(TRUE, eap->forceit);
6637 }
6638
6639 /*
6640 * ":all" and ":sall".
6641 * Also used for ":tab drop file ..." after setting the argument list.
6642 */
6643 void
6644 ex_all(eap)
6645 exarg_T *eap;
6646 {
6647 if (eap->addr_count == 0)
6648 eap->line2 = 9999;
6649 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6650 }
6651 #endif /* FEAT_WINDOWS */
6652
6653 static void
6654 ex_hide(eap)
6655 exarg_T *eap;
6656 {
6657 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6658 eap->errmsg = e_invarg;
6659 else
6660 {
6661 /* ":hide" or ":hide | cmd": hide current window */
6662 eap->nextcmd = check_nextcmd(eap->arg);
6663 #ifdef FEAT_WINDOWS
6664 if (!eap->skip)
6665 {
6666 # ifdef FEAT_GUI
6667 need_mouse_correct = TRUE;
6668 # endif
6669 win_close(curwin, FALSE); /* don't free buffer */
6670 }
6671 #endif
6672 }
6673 }
6674
6675 /*
6676 * ":stop" and ":suspend": Suspend Vim.
6677 */
6678 static void
6679 ex_stop(eap)
6680 exarg_T *eap;
6681 {
6682 /*
6683 * Disallow suspending for "rvim".
6684 */
6685 if (!check_restricted()
6686 #ifdef WIN3264
6687 /*
6688 * Check if external commands are allowed now.
6689 */
6690 && can_end_termcap_mode(TRUE)
6691 #endif
6692 )
6693 {
6694 if (!eap->forceit)
6695 autowrite_all();
6696 windgoto((int)Rows - 1, 0);
6697 out_char('\n');
6698 out_flush();
6699 stoptermcap();
6700 out_flush(); /* needed for SUN to restore xterm buffer */
6701 #ifdef FEAT_TITLE
6702 mch_restore_title(3); /* restore window titles */
6703 #endif
6704 ui_suspend(); /* call machine specific function */
6705 #ifdef FEAT_TITLE
6706 maketitle();
6707 resettitle(); /* force updating the title */
6708 #endif
6709 starttermcap();
6710 scroll_start(); /* scroll screen before redrawing */
6711 redraw_later_clear();
6712 shell_resized(); /* may have resized window */
6713 }
6714 }
6715
6716 /*
6717 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6718 */
6719 static void
6720 ex_exit(eap)
6721 exarg_T *eap;
6722 {
6723 #ifdef FEAT_CMDWIN
6724 if (cmdwin_type != 0)
6725 {
6726 cmdwin_result = Ctrl_C;
6727 return;
6728 }
6729 #endif
6730 /* Don't quit while editing the command line. */
6731 if (text_locked())
6732 {
6733 text_locked_msg();
6734 return;
6735 }
6736 #ifdef FEAT_AUTOCMD
6737 if (curbuf_locked())
6738 return;
6739 #endif
6740
6741 /*
6742 * if more files or windows we won't exit
6743 */
6744 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6745 exiting = TRUE;
6746 if ( ((eap->cmdidx == CMD_wq
6747 || curbufIsChanged())
6748 && do_write(eap) == FAIL)
6749 || check_more(TRUE, eap->forceit) == FAIL
6750 || (only_one_window() && check_changed_any(eap->forceit)))
6751 {
6752 not_exiting();
6753 }
6754 else
6755 {
6756 #ifdef FEAT_WINDOWS
6757 if (only_one_window()) /* quit last window, exit Vim */
6758 #endif
6759 getout(0);
6760 #ifdef FEAT_WINDOWS
6761 # ifdef FEAT_GUI
6762 need_mouse_correct = TRUE;
6763 # endif
6764 /* quit current window, may free buffer */
6765 win_close(curwin, !P_HID(curwin->w_buffer));
6766 #endif
6767 }
6768 }
6769
6770 /*
6771 * ":print", ":list", ":number".
6772 */
6773 static void
6774 ex_print(eap)
6775 exarg_T *eap;
6776 {
6777 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6778 EMSG(_(e_emptybuf));
6779 else
6780 {
6781 for ( ;!got_int; ui_breakcheck())
6782 {
6783 print_line(eap->line1,
6784 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6785 || (eap->flags & EXFLAG_NR)),
6786 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6787 if (++eap->line1 > eap->line2)
6788 break;
6789 out_flush(); /* show one line at a time */
6790 }
6791 setpcmark();
6792 /* put cursor at last line */
6793 curwin->w_cursor.lnum = eap->line2;
6794 beginline(BL_SOL | BL_FIX);
6795 }
6796
6797 ex_no_reprint = TRUE;
6798 }
6799
6800 #ifdef FEAT_BYTEOFF
6801 static void
6802 ex_goto(eap)
6803 exarg_T *eap;
6804 {
6805 goto_byte(eap->line2);
6806 }
6807 #endif
6808
6809 /*
6810 * ":shell".
6811 */
6812 static void
6813 ex_shell(eap)
6814 exarg_T *eap UNUSED;
6815 {
6816 do_shell(NULL, 0);
6817 }
6818
6819 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6820 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6821 || defined(FEAT_GUI_MSWIN) \
6822 || defined(FEAT_GUI_MAC) \
6823 || defined(PROTO)
6824
6825 /*
6826 * Handle a file drop. The code is here because a drop is *nearly* like an
6827 * :args command, but not quite (we have a list of exact filenames, so we
6828 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6829 * code is very similar to :args and hence needs access to a lot of the static
6830 * functions in this file.
6831 *
6832 * The list should be allocated using alloc(), as should each item in the
6833 * list. This function takes over responsibility for freeing the list.
6834 *
6835 * XXX The list is made into the argument list. This is freed using
6836 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6837 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6838 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6839 * file functionality is (currently) not in EMX this is not presently a
6840 * problem.
6841 */
6842 void
6843 handle_drop(filec, filev, split)
6844 int filec; /* the number of files dropped */
6845 char_u **filev; /* the list of files dropped */
6846 int split; /* force splitting the window */
6847 {
6848 exarg_T ea;
6849 int save_msg_scroll = msg_scroll;
6850
6851 /* Postpone this while editing the command line. */
6852 if (text_locked())
6853 return;
6854 #ifdef FEAT_AUTOCMD
6855 if (curbuf_locked())
6856 return;
6857 #endif
6858 /* When the screen is being updated we should not change buffers and
6859 * windows structures, it may cause freed memory to be used. */
6860 if (updating_screen)
6861 return;
6862
6863 /* Check whether the current buffer is changed. If so, we will need
6864 * to split the current window or data could be lost.
6865 * We don't need to check if the 'hidden' option is set, as in this
6866 * case the buffer won't be lost.
6867 */
6868 if (!P_HID(curbuf) && !split)
6869 {
6870 ++emsg_off;
6871 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6872 --emsg_off;
6873 }
6874 if (split)
6875 {
6876 # ifdef FEAT_WINDOWS
6877 if (win_split(0, 0) == FAIL)
6878 return;
6879 # ifdef FEAT_SCROLLBIND
6880 curwin->w_p_scb = FALSE;
6881 # endif
6882
6883 /* When splitting the window, create a new alist. Otherwise the
6884 * existing one is overwritten. */
6885 alist_unlink(curwin->w_alist);
6886 alist_new();
6887 # else
6888 return; /* can't split, always fail */
6889 # endif
6890 }
6891
6892 /*
6893 * Set up the new argument list.
6894 */
6895 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6896
6897 /*
6898 * Move to the first file.
6899 */
6900 /* Fake up a minimal "next" command for do_argfile() */
6901 vim_memset(&ea, 0, sizeof(ea));
6902 ea.cmd = (char_u *)"next";
6903 do_argfile(&ea, 0);
6904
6905 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6906 * mode that is not needed here. */
6907 need_start_insertmode = FALSE;
6908
6909 /* Restore msg_scroll, otherwise a following command may cause scrolling
6910 * unexpectedly. The screen will be redrawn by the caller, thus
6911 * msg_scroll being set by displaying a message is irrelevant. */
6912 msg_scroll = save_msg_scroll;
6913 }
6914 #endif
6915
6916 /*
6917 * Clear an argument list: free all file names and reset it to zero entries.
6918 */
6919 void
6920 alist_clear(al)
6921 alist_T *al;
6922 {
6923 while (--al->al_ga.ga_len >= 0)
6924 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6925 ga_clear(&al->al_ga);
6926 }
6927
6928 /*
6929 * Init an argument list.
6930 */
6931 void
6932 alist_init(al)
6933 alist_T *al;
6934 {
6935 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6936 }
6937
6938 #if defined(FEAT_WINDOWS) || defined(PROTO)
6939
6940 /*
6941 * Remove a reference from an argument list.
6942 * Ignored when the argument list is the global one.
6943 * If the argument list is no longer used by any window, free it.
6944 */
6945 void
6946 alist_unlink(al)
6947 alist_T *al;
6948 {
6949 if (al != &global_alist && --al->al_refcount <= 0)
6950 {
6951 alist_clear(al);
6952 vim_free(al);
6953 }
6954 }
6955
6956 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6957 /*
6958 * Create a new argument list and use it for the current window.
6959 */
6960 void
6961 alist_new()
6962 {
6963 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6964 if (curwin->w_alist == NULL)
6965 {
6966 curwin->w_alist = &global_alist;
6967 ++global_alist.al_refcount;
6968 }
6969 else
6970 {
6971 curwin->w_alist->al_refcount = 1;
6972 alist_init(curwin->w_alist);
6973 }
6974 }
6975 # endif
6976 #endif
6977
6978 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6979 /*
6980 * Expand the file names in the global argument list.
6981 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6982 * numbers to be re-used.
6983 */
6984 void
6985 alist_expand(fnum_list, fnum_len)
6986 int *fnum_list;
6987 int fnum_len;
6988 {
6989 char_u **old_arg_files;
6990 int old_arg_count;
6991 char_u **new_arg_files;
6992 int new_arg_file_count;
6993 char_u *save_p_su = p_su;
6994 int i;
6995
6996 /* Don't use 'suffixes' here. This should work like the shell did the
6997 * expansion. Also, the vimrc file isn't read yet, thus the user
6998 * can't set the options. */
6999 p_su = empty_option;
7000 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
7001 if (old_arg_files != NULL)
7002 {
7003 for (i = 0; i < GARGCOUNT; ++i)
7004 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
7005 old_arg_count = GARGCOUNT;
7006 if (expand_wildcards(old_arg_count, old_arg_files,
7007 &new_arg_file_count, &new_arg_files,
7008 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
7009 && new_arg_file_count > 0)
7010 {
7011 alist_set(&global_alist, new_arg_file_count, new_arg_files,
7012 TRUE, fnum_list, fnum_len);
7013 FreeWild(old_arg_count, old_arg_files);
7014 }
7015 }
7016 p_su = save_p_su;
7017 }
7018 #endif
7019
7020 /*
7021 * Set the argument list for the current window.
7022 * Takes over the allocated files[] and the allocated fnames in it.
7023 */
7024 void
7025 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
7026 alist_T *al;
7027 int count;
7028 char_u **files;
7029 int use_curbuf;
7030 int *fnum_list;
7031 int fnum_len;
7032 {
7033 int i;
7034
7035 alist_clear(al);
7036 if (ga_grow(&al->al_ga, count) == OK)
7037 {
7038 for (i = 0; i < count; ++i)
7039 {
7040 if (got_int)
7041 {
7042 /* When adding many buffers this can take a long time. Allow
7043 * interrupting here. */
7044 while (i < count)
7045 vim_free(files[i++]);
7046 break;
7047 }
7048
7049 /* May set buffer name of a buffer previously used for the
7050 * argument list, so that it's re-used by alist_add. */
7051 if (fnum_list != NULL && i < fnum_len)
7052 buf_set_name(fnum_list[i], files[i]);
7053
7054 alist_add(al, files[i], use_curbuf ? 2 : 1);
7055 ui_breakcheck();
7056 }
7057 vim_free(files);
7058 }
7059 else
7060 FreeWild(count, files);
7061 #ifdef FEAT_WINDOWS
7062 if (al == &global_alist)
7063 #endif
7064 arg_had_last = FALSE;
7065 }
7066
7067 /*
7068 * Add file "fname" to argument list "al".
7069 * "fname" must have been allocated and "al" must have been checked for room.
7070 */
7071 void
7072 alist_add(al, fname, set_fnum)
7073 alist_T *al;
7074 char_u *fname;
7075 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7076 {
7077 if (fname == NULL) /* don't add NULL file names */
7078 return;
7079 #ifdef BACKSLASH_IN_FILENAME
7080 slash_adjust(fname);
7081 #endif
7082 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7083 if (set_fnum > 0)
7084 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7085 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7086 ++al->al_ga.ga_len;
7087 }
7088
7089 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7090 /*
7091 * Adjust slashes in file names. Called after 'shellslash' was set.
7092 */
7093 void
7094 alist_slash_adjust()
7095 {
7096 int i;
7097 # ifdef FEAT_WINDOWS
7098 win_T *wp;
7099 tabpage_T *tp;
7100 # endif
7101
7102 for (i = 0; i < GARGCOUNT; ++i)
7103 if (GARGLIST[i].ae_fname != NULL)
7104 slash_adjust(GARGLIST[i].ae_fname);
7105 # ifdef FEAT_WINDOWS
7106 FOR_ALL_TAB_WINDOWS(tp, wp)
7107 if (wp->w_alist != &global_alist)
7108 for (i = 0; i < WARGCOUNT(wp); ++i)
7109 if (WARGLIST(wp)[i].ae_fname != NULL)
7110 slash_adjust(WARGLIST(wp)[i].ae_fname);
7111 # endif
7112 }
7113 #endif
7114
7115 /*
7116 * ":preserve".
7117 */
7118 static void
7119 ex_preserve(eap)
7120 exarg_T *eap UNUSED;
7121 {
7122 curbuf->b_flags |= BF_PRESERVED;
7123 ml_preserve(curbuf, TRUE);
7124 }
7125
7126 /*
7127 * ":recover".
7128 */
7129 static void
7130 ex_recover(eap)
7131 exarg_T *eap;
7132 {
7133 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7134 recoverymode = TRUE;
7135 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7136 && (*eap->arg == NUL
7137 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7138 ml_recover();
7139 recoverymode = FALSE;
7140 }
7141
7142 /*
7143 * Command modifier used in a wrong way.
7144 */
7145 static void
7146 ex_wrongmodifier(eap)
7147 exarg_T *eap;
7148 {
7149 eap->errmsg = e_invcmd;
7150 }
7151
7152 #ifdef FEAT_WINDOWS
7153 /*
7154 * :sview [+command] file split window with new file, read-only
7155 * :split [[+command] file] split window with current or new file
7156 * :vsplit [[+command] file] split window vertically with current or new file
7157 * :new [[+command] file] split window with no or new file
7158 * :vnew [[+command] file] split vertically window with no or new file
7159 * :sfind [+command] file split window with file in 'path'
7160 *
7161 * :tabedit open new Tab page with empty window
7162 * :tabedit [+command] file open new Tab page and edit "file"
7163 * :tabnew [[+command] file] just like :tabedit
7164 * :tabfind [+command] file open new Tab page and find "file"
7165 */
7166 void
7167 ex_splitview(eap)
7168 exarg_T *eap;
7169 {
7170 win_T *old_curwin = curwin;
7171 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7172 char_u *fname = NULL;
7173 # endif
7174 # ifdef FEAT_BROWSE
7175 int browse_flag = cmdmod.browse;
7176 # endif
7177
7178 # ifndef FEAT_VERTSPLIT
7179 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7180 {
7181 ex_ni(eap);
7182 return;
7183 }
7184 # endif
7185
7186 # ifdef FEAT_GUI
7187 need_mouse_correct = TRUE;
7188 # endif
7189
7190 # ifdef FEAT_QUICKFIX
7191 /* A ":split" in the quickfix window works like ":new". Don't want two
7192 * quickfix windows. But it's OK when doing ":tab split". */
7193 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7194 {
7195 if (eap->cmdidx == CMD_split)
7196 eap->cmdidx = CMD_new;
7197 # ifdef FEAT_VERTSPLIT
7198 if (eap->cmdidx == CMD_vsplit)
7199 eap->cmdidx = CMD_vnew;
7200 # endif
7201 }
7202 # endif
7203
7204 # ifdef FEAT_SEARCHPATH
7205 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7206 {
7207 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7208 FNAME_MESS, TRUE, curbuf->b_ffname);
7209 if (fname == NULL)
7210 goto theend;
7211 eap->arg = fname;
7212 }
7213 # ifdef FEAT_BROWSE
7214 else
7215 # endif
7216 # endif
7217 # ifdef FEAT_BROWSE
7218 if (cmdmod.browse
7219 # ifdef FEAT_VERTSPLIT
7220 && eap->cmdidx != CMD_vnew
7221 # endif
7222 && eap->cmdidx != CMD_new)
7223 {
7224 # ifdef FEAT_AUTOCMD
7225 if (
7226 # ifdef FEAT_GUI
7227 !gui.in_use &&
7228 # endif
7229 au_has_group((char_u *)"FileExplorer"))
7230 {
7231 /* No browsing supported but we do have the file explorer:
7232 * Edit the directory. */
7233 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7234 eap->arg = (char_u *)".";
7235 }
7236 else
7237 # endif
7238 {
7239 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7240 eap->arg, NULL, NULL, NULL, curbuf);
7241 if (fname == NULL)
7242 goto theend;
7243 eap->arg = fname;
7244 }
7245 }
7246 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7247 # endif
7248
7249 /*
7250 * Either open new tab page or split the window.
7251 */
7252 if (eap->cmdidx == CMD_tabedit
7253 || eap->cmdidx == CMD_tabfind
7254 || eap->cmdidx == CMD_tabnew)
7255 {
7256 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7257 : eap->addr_count == 0 ? 0
7258 : (int)eap->line2 + 1) != FAIL)
7259 {
7260 do_exedit(eap, old_curwin);
7261
7262 /* set the alternate buffer for the window we came from */
7263 if (curwin != old_curwin
7264 && win_valid(old_curwin)
7265 && old_curwin->w_buffer != curbuf
7266 && !cmdmod.keepalt)
7267 old_curwin->w_alt_fnum = curbuf->b_fnum;
7268 }
7269 }
7270 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7271 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7272 {
7273 # ifdef FEAT_SCROLLBIND
7274 /* Reset 'scrollbind' when editing another file, but keep it when
7275 * doing ":split" without arguments. */
7276 if (*eap->arg != NUL
7277 # ifdef FEAT_BROWSE
7278 || cmdmod.browse
7279 # endif
7280 )
7281 curwin->w_p_scb = FALSE;
7282 else
7283 do_check_scrollbind(FALSE);
7284 # endif
7285 do_exedit(eap, old_curwin);
7286 }
7287
7288 # ifdef FEAT_BROWSE
7289 cmdmod.browse = browse_flag;
7290 # endif
7291
7292 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7293 theend:
7294 vim_free(fname);
7295 # endif
7296 }
7297
7298 /*
7299 * Open a new tab page.
7300 */
7301 void
7302 tabpage_new()
7303 {
7304 exarg_T ea;
7305
7306 vim_memset(&ea, 0, sizeof(ea));
7307 ea.cmdidx = CMD_tabnew;
7308 ea.cmd = (char_u *)"tabn";
7309 ea.arg = (char_u *)"";
7310 ex_splitview(&ea);
7311 }
7312
7313 /*
7314 * :tabnext command
7315 */
7316 static void
7317 ex_tabnext(eap)
7318 exarg_T *eap;
7319 {
7320 switch (eap->cmdidx)
7321 {
7322 case CMD_tabfirst:
7323 case CMD_tabrewind:
7324 goto_tabpage(1);
7325 break;
7326 case CMD_tablast:
7327 goto_tabpage(9999);
7328 break;
7329 case CMD_tabprevious:
7330 case CMD_tabNext:
7331 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7332 break;
7333 default: /* CMD_tabnext */
7334 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7335 break;
7336 }
7337 }
7338
7339 /*
7340 * :tabmove command
7341 */
7342 static void
7343 ex_tabmove(eap)
7344 exarg_T *eap;
7345 {
7346 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7347 }
7348
7349 /*
7350 * :tabs command: List tabs and their contents.
7351 */
7352 static void
7353 ex_tabs(eap)
7354 exarg_T *eap UNUSED;
7355 {
7356 tabpage_T *tp;
7357 win_T *wp;
7358 int tabcount = 1;
7359
7360 msg_start();
7361 msg_scroll = TRUE;
7362 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7363 {
7364 msg_putchar('\n');
7365 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7366 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7367 out_flush(); /* output one line at a time */
7368 ui_breakcheck();
7369
7370 if (tp == curtab)
7371 wp = firstwin;
7372 else
7373 wp = tp->tp_firstwin;
7374 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7375 {
7376 msg_putchar('\n');
7377 msg_putchar(wp == curwin ? '>' : ' ');
7378 msg_putchar(' ');
7379 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7380 msg_putchar(' ');
7381 if (buf_spname(wp->w_buffer) != NULL)
7382 STRCPY(IObuff, buf_spname(wp->w_buffer));
7383 else
7384 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7385 IObuff, IOSIZE, TRUE);
7386 msg_outtrans(IObuff);
7387 out_flush(); /* output one line at a time */
7388 ui_breakcheck();
7389 }
7390 }
7391 }
7392
7393 #endif /* FEAT_WINDOWS */
7394
7395 /*
7396 * ":mode": Set screen mode.
7397 * If no argument given, just get the screen size and redraw.
7398 */
7399 static void
7400 ex_mode(eap)
7401 exarg_T *eap;
7402 {
7403 if (*eap->arg == NUL)
7404 shell_resized();
7405 else
7406 mch_screenmode(eap->arg);
7407 }
7408
7409 #ifdef FEAT_WINDOWS
7410 /*
7411 * ":resize".
7412 * set, increment or decrement current window height
7413 */
7414 static void
7415 ex_resize(eap)
7416 exarg_T *eap;
7417 {
7418 int n;
7419 win_T *wp = curwin;
7420
7421 if (eap->addr_count > 0)
7422 {
7423 n = eap->line2;
7424 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7425 ;
7426 }
7427
7428 #ifdef FEAT_GUI
7429 need_mouse_correct = TRUE;
7430 #endif
7431 n = atol((char *)eap->arg);
7432 #ifdef FEAT_VERTSPLIT
7433 if (cmdmod.split & WSP_VERT)
7434 {
7435 if (*eap->arg == '-' || *eap->arg == '+')
7436 n += W_WIDTH(curwin);
7437 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7438 n = 9999;
7439 win_setwidth_win((int)n, wp);
7440 }
7441 else
7442 #endif
7443 {
7444 if (*eap->arg == '-' || *eap->arg == '+')
7445 n += curwin->w_height;
7446 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7447 n = 9999;
7448 win_setheight_win((int)n, wp);
7449 }
7450 }
7451 #endif
7452
7453 /*
7454 * ":find [+command] <file>" command.
7455 */
7456 static void
7457 ex_find(eap)
7458 exarg_T *eap;
7459 {
7460 #ifdef FEAT_SEARCHPATH
7461 char_u *fname;
7462 int count;
7463
7464 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7465 TRUE, curbuf->b_ffname);
7466 if (eap->addr_count > 0)
7467 {
7468 /* Repeat finding the file "count" times. This matters when it
7469 * appears several times in the path. */
7470 count = eap->line2;
7471 while (fname != NULL && --count > 0)
7472 {
7473 vim_free(fname);
7474 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7475 FALSE, curbuf->b_ffname);
7476 }
7477 }
7478
7479 if (fname != NULL)
7480 {
7481 eap->arg = fname;
7482 #endif
7483 do_exedit(eap, NULL);
7484 #ifdef FEAT_SEARCHPATH
7485 vim_free(fname);
7486 }
7487 #endif
7488 }
7489
7490 /*
7491 * ":open" simulation: for now just work like ":visual".
7492 */
7493 static void
7494 ex_open(eap)
7495 exarg_T *eap;
7496 {
7497 regmatch_T regmatch;
7498 char_u *p;
7499
7500 curwin->w_cursor.lnum = eap->line2;
7501 beginline(BL_SOL | BL_FIX);
7502 if (*eap->arg == '/')
7503 {
7504 /* ":open /pattern/": put cursor in column found with pattern */
7505 ++eap->arg;
7506 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7507 *p = NUL;
7508 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7509 if (regmatch.regprog != NULL)
7510 {
7511 regmatch.rm_ic = p_ic;
7512 p = ml_get_curline();
7513 if (vim_regexec(&regmatch, p, (colnr_T)0))
7514 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7515 else
7516 EMSG(_(e_nomatch));
7517 vim_free(regmatch.regprog);
7518 }
7519 /* Move to the NUL, ignore any other arguments. */
7520 eap->arg += STRLEN(eap->arg);
7521 }
7522 check_cursor();
7523
7524 eap->cmdidx = CMD_visual;
7525 do_exedit(eap, NULL);
7526 }
7527
7528 /*
7529 * ":edit", ":badd", ":visual".
7530 */
7531 static void
7532 ex_edit(eap)
7533 exarg_T *eap;
7534 {
7535 do_exedit(eap, NULL);
7536 }
7537
7538 /*
7539 * ":edit <file>" command and alikes.
7540 */
7541 void
7542 do_exedit(eap, old_curwin)
7543 exarg_T *eap;
7544 win_T *old_curwin; /* curwin before doing a split or NULL */
7545 {
7546 int n;
7547 #ifdef FEAT_WINDOWS
7548 int need_hide;
7549 #endif
7550 int exmode_was = exmode_active;
7551
7552 /*
7553 * ":vi" command ends Ex mode.
7554 */
7555 if (exmode_active && (eap->cmdidx == CMD_visual
7556 || eap->cmdidx == CMD_view))
7557 {
7558 exmode_active = FALSE;
7559 if (*eap->arg == NUL)
7560 {
7561 /* Special case: ":global/pat/visual\NLvi-commands" */
7562 if (global_busy)
7563 {
7564 int rd = RedrawingDisabled;
7565 int nwr = no_wait_return;
7566 int ms = msg_scroll;
7567 #ifdef FEAT_GUI
7568 int he = hold_gui_events;
7569 #endif
7570
7571 if (eap->nextcmd != NULL)
7572 {
7573 stuffReadbuff(eap->nextcmd);
7574 eap->nextcmd = NULL;
7575 }
7576
7577 if (exmode_was != EXMODE_VIM)
7578 settmode(TMODE_RAW);
7579 RedrawingDisabled = 0;
7580 no_wait_return = 0;
7581 need_wait_return = FALSE;
7582 msg_scroll = 0;
7583 #ifdef FEAT_GUI
7584 hold_gui_events = 0;
7585 #endif
7586 must_redraw = CLEAR;
7587
7588 main_loop(FALSE, TRUE);
7589
7590 RedrawingDisabled = rd;
7591 no_wait_return = nwr;
7592 msg_scroll = ms;
7593 #ifdef FEAT_GUI
7594 hold_gui_events = he;
7595 #endif
7596 }
7597 return;
7598 }
7599 }
7600
7601 if ((eap->cmdidx == CMD_new
7602 || eap->cmdidx == CMD_tabnew
7603 || eap->cmdidx == CMD_tabedit
7604 #ifdef FEAT_VERTSPLIT
7605 || eap->cmdidx == CMD_vnew
7606 #endif
7607 ) && *eap->arg == NUL)
7608 {
7609 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7610 setpcmark();
7611 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7612 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7613 old_curwin == NULL ? curwin : NULL);
7614 }
7615 else if ((eap->cmdidx != CMD_split
7616 #ifdef FEAT_VERTSPLIT
7617 && eap->cmdidx != CMD_vsplit
7618 #endif
7619 )
7620 || *eap->arg != NUL
7621 #ifdef FEAT_BROWSE
7622 || cmdmod.browse
7623 #endif
7624 )
7625 {
7626 #ifdef FEAT_AUTOCMD
7627 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7628 * can bring us here, others are stopped earlier. */
7629 if (*eap->arg != NUL && curbuf_locked())
7630 return;
7631 #endif
7632 n = readonlymode;
7633 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7634 readonlymode = TRUE;
7635 else if (eap->cmdidx == CMD_enew)
7636 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7637 empty buffer */
7638 setpcmark();
7639 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7640 NULL, eap,
7641 /* ":edit" goes to first line if Vi compatible */
7642 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7643 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7644 ? ECMD_ONE : eap->do_ecmd_lnum,
7645 (P_HID(curbuf) ? ECMD_HIDE : 0)
7646 + (eap->forceit ? ECMD_FORCEIT : 0)
7647 #ifdef FEAT_LISTCMDS
7648 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7649 #endif
7650 , old_curwin == NULL ? curwin : NULL) == FAIL)
7651 {
7652 /* Editing the file failed. If the window was split, close it. */
7653 #ifdef FEAT_WINDOWS
7654 if (old_curwin != NULL)
7655 {
7656 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7657 if (!need_hide || P_HID(curbuf))
7658 {
7659 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7660 cleanup_T cs;
7661
7662 /* Reset the error/interrupt/exception state here so that
7663 * aborting() returns FALSE when closing a window. */
7664 enter_cleanup(&cs);
7665 # endif
7666 # ifdef FEAT_GUI
7667 need_mouse_correct = TRUE;
7668 # endif
7669 win_close(curwin, !need_hide && !P_HID(curbuf));
7670
7671 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7672 /* Restore the error/interrupt/exception state if not
7673 * discarded by a new aborting error, interrupt, or
7674 * uncaught exception. */
7675 leave_cleanup(&cs);
7676 # endif
7677 }
7678 }
7679 #endif
7680 }
7681 else if (readonlymode && curbuf->b_nwindows == 1)
7682 {
7683 /* When editing an already visited buffer, 'readonly' won't be set
7684 * but the previous value is kept. With ":view" and ":sview" we
7685 * want the file to be readonly, except when another window is
7686 * editing the same buffer. */
7687 curbuf->b_p_ro = TRUE;
7688 }
7689 readonlymode = n;
7690 }
7691 else
7692 {
7693 if (eap->do_ecmd_cmd != NULL)
7694 do_cmdline_cmd(eap->do_ecmd_cmd);
7695 #ifdef FEAT_TITLE
7696 n = curwin->w_arg_idx_invalid;
7697 #endif
7698 check_arg_idx(curwin);
7699 #ifdef FEAT_TITLE
7700 if (n != curwin->w_arg_idx_invalid)
7701 maketitle();
7702 #endif
7703 }
7704
7705 #ifdef FEAT_WINDOWS
7706 /*
7707 * if ":split file" worked, set alternate file name in old window to new
7708 * file
7709 */
7710 if (old_curwin != NULL
7711 && *eap->arg != NUL
7712 && curwin != old_curwin
7713 && win_valid(old_curwin)
7714 && old_curwin->w_buffer != curbuf
7715 && !cmdmod.keepalt)
7716 old_curwin->w_alt_fnum = curbuf->b_fnum;
7717 #endif
7718
7719 ex_no_reprint = TRUE;
7720 }
7721
7722 #ifndef FEAT_GUI
7723 /*
7724 * ":gui" and ":gvim" when there is no GUI.
7725 */
7726 static void
7727 ex_nogui(eap)
7728 exarg_T *eap;
7729 {
7730 eap->errmsg = e_nogvim;
7731 }
7732 #endif
7733
7734 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7735 static void
7736 ex_tearoff(eap)
7737 exarg_T *eap;
7738 {
7739 gui_make_tearoff(eap->arg);
7740 }
7741 #endif
7742
7743 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7744 static void
7745 ex_popup(eap)
7746 exarg_T *eap;
7747 {
7748 gui_make_popup(eap->arg, eap->forceit);
7749 }
7750 #endif
7751
7752 static void
7753 ex_swapname(eap)
7754 exarg_T *eap UNUSED;
7755 {
7756 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7757 MSG(_("No swap file"));
7758 else
7759 msg(curbuf->b_ml.ml_mfp->mf_fname);
7760 }
7761
7762 /*
7763 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7764 * offset.
7765 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7766 */
7767 static void
7768 ex_syncbind(eap)
7769 exarg_T *eap UNUSED;
7770 {
7771 #ifdef FEAT_SCROLLBIND
7772 win_T *wp;
7773 long topline;
7774 long y;
7775 linenr_T old_linenr = curwin->w_cursor.lnum;
7776
7777 setpcmark();
7778
7779 /*
7780 * determine max topline
7781 */
7782 if (curwin->w_p_scb)
7783 {
7784 topline = curwin->w_topline;
7785 for (wp = firstwin; wp; wp = wp->w_next)
7786 {
7787 if (wp->w_p_scb && wp->w_buffer)
7788 {
7789 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7790 if (topline > y)
7791 topline = y;
7792 }
7793 }
7794 if (topline < 1)
7795 topline = 1;
7796 }
7797 else
7798 {
7799 topline = 1;
7800 }
7801
7802
7803 /*
7804 * set all scrollbind windows to the same topline
7805 */
7806 wp = curwin;
7807 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7808 {
7809 if (curwin->w_p_scb)
7810 {
7811 y = topline - curwin->w_topline;
7812 if (y > 0)
7813 scrollup(y, TRUE);
7814 else
7815 scrolldown(-y, TRUE);
7816 curwin->w_scbind_pos = topline;
7817 redraw_later(VALID);
7818 cursor_correct();
7819 #ifdef FEAT_WINDOWS
7820 curwin->w_redr_status = TRUE;
7821 #endif
7822 }
7823 }
7824 curwin = wp;
7825 if (curwin->w_p_scb)
7826 {
7827 did_syncbind = TRUE;
7828 checkpcmark();
7829 if (old_linenr != curwin->w_cursor.lnum)
7830 {
7831 char_u ctrl_o[2];
7832
7833 ctrl_o[0] = Ctrl_O;
7834 ctrl_o[1] = 0;
7835 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7836 }
7837 }
7838 #endif
7839 }
7840
7841
7842 static void
7843 ex_read(eap)
7844 exarg_T *eap;
7845 {
7846 int i;
7847 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7848 linenr_T lnum;
7849
7850 if (eap->usefilter) /* :r!cmd */
7851 do_bang(1, eap, FALSE, FALSE, TRUE);
7852 else
7853 {
7854 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7855 return;
7856
7857 #ifdef FEAT_BROWSE
7858 if (cmdmod.browse)
7859 {
7860 char_u *browseFile;
7861
7862 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7863 NULL, NULL, NULL, curbuf);
7864 if (browseFile != NULL)
7865 {
7866 i = readfile(browseFile, NULL,
7867 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7868 vim_free(browseFile);
7869 }
7870 else
7871 i = OK;
7872 }
7873 else
7874 #endif
7875 if (*eap->arg == NUL)
7876 {
7877 if (check_fname() == FAIL) /* check for no file name */
7878 return;
7879 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7880 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7881 }
7882 else
7883 {
7884 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7885 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7886 i = readfile(eap->arg, NULL,
7887 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7888
7889 }
7890 if (i == FAIL)
7891 {
7892 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7893 if (!aborting())
7894 #endif
7895 EMSG2(_(e_notopen), eap->arg);
7896 }
7897 else
7898 {
7899 if (empty && exmode_active)
7900 {
7901 /* Delete the empty line that remains. Historically ex does
7902 * this but vi doesn't. */
7903 if (eap->line2 == 0)
7904 lnum = curbuf->b_ml.ml_line_count;
7905 else
7906 lnum = 1;
7907 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7908 {
7909 ml_delete(lnum, FALSE);
7910 if (curwin->w_cursor.lnum > 1
7911 && curwin->w_cursor.lnum >= lnum)
7912 --curwin->w_cursor.lnum;
7913 deleted_lines_mark(lnum, 1L);
7914 }
7915 }
7916 redraw_curbuf_later(VALID);
7917 }
7918 }
7919 }
7920
7921 static char_u *prev_dir = NULL;
7922
7923 #if defined(EXITFREE) || defined(PROTO)
7924 void
7925 free_cd_dir()
7926 {
7927 vim_free(prev_dir);
7928 prev_dir = NULL;
7929
7930 vim_free(globaldir);
7931 globaldir = NULL;
7932 }
7933 #endif
7934
7935
7936 /*
7937 * ":cd", ":lcd", ":chdir" and ":lchdir".
7938 */
7939 void
7940 ex_cd(eap)
7941 exarg_T *eap;
7942 {
7943 char_u *new_dir;
7944 char_u *tofree;
7945
7946 new_dir = eap->arg;
7947 #if !defined(UNIX) && !defined(VMS)
7948 /* for non-UNIX ":cd" means: print current directory */
7949 if (*new_dir == NUL)
7950 ex_pwd(NULL);
7951 else
7952 #endif
7953 {
7954 #ifdef FEAT_AUTOCMD
7955 if (allbuf_locked())
7956 return;
7957 #endif
7958 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7959 && !eap->forceit)
7960 {
7961 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7962 return;
7963 }
7964
7965 /* ":cd -": Change to previous directory */
7966 if (STRCMP(new_dir, "-") == 0)
7967 {
7968 if (prev_dir == NULL)
7969 {
7970 EMSG(_("E186: No previous directory"));
7971 return;
7972 }
7973 new_dir = prev_dir;
7974 }
7975
7976 /* Save current directory for next ":cd -" */
7977 tofree = prev_dir;
7978 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7979 prev_dir = vim_strsave(NameBuff);
7980 else
7981 prev_dir = NULL;
7982
7983 #if defined(UNIX) || defined(VMS)
7984 /* for UNIX ":cd" means: go to home directory */
7985 if (*new_dir == NUL)
7986 {
7987 /* use NameBuff for home directory name */
7988 # ifdef VMS
7989 char_u *p;
7990
7991 p = mch_getenv((char_u *)"SYS$LOGIN");
7992 if (p == NULL || *p == NUL) /* empty is the same as not set */
7993 NameBuff[0] = NUL;
7994 else
7995 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7996 # else
7997 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7998 # endif
7999 new_dir = NameBuff;
8000 }
8001 #endif
8002 if (new_dir == NULL || vim_chdir(new_dir))
8003 EMSG(_(e_failed));
8004 else
8005 {
8006 vim_free(curwin->w_localdir);
8007 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
8008 {
8009 /* If still in global directory, need to remember current
8010 * directory as global directory. */
8011 if (globaldir == NULL && prev_dir != NULL)
8012 globaldir = vim_strsave(prev_dir);
8013 /* Remember this local directory for the window. */
8014 if (mch_dirname(NameBuff, MAXPATHL) == OK)
8015 curwin->w_localdir = vim_strsave(NameBuff);
8016 }
8017 else
8018 {
8019 /* We are now in the global directory, no need to remember its
8020 * name. */
8021 vim_free(globaldir);
8022 globaldir = NULL;
8023 curwin->w_localdir = NULL;
8024 }
8025
8026 shorten_fnames(TRUE);
8027
8028 /* Echo the new current directory if the command was typed. */
8029 if (KeyTyped || p_verbose >= 5)
8030 ex_pwd(eap);
8031 }
8032 vim_free(tofree);
8033 }
8034 }
8035
8036 /*
8037 * ":pwd".
8038 */
8039 static void
8040 ex_pwd(eap)
8041 exarg_T *eap UNUSED;
8042 {
8043 if (mch_dirname(NameBuff, MAXPATHL) == OK)
8044 {
8045 #ifdef BACKSLASH_IN_FILENAME
8046 slash_adjust(NameBuff);
8047 #endif
8048 msg(NameBuff);
8049 }
8050 else
8051 EMSG(_("E187: Unknown"));
8052 }
8053
8054 /*
8055 * ":=".
8056 */
8057 static void
8058 ex_equal(eap)
8059 exarg_T *eap;
8060 {
8061 smsg((char_u *)"%ld", (long)eap->line2);
8062 ex_may_print(eap);
8063 }
8064
8065 static void
8066 ex_sleep(eap)
8067 exarg_T *eap;
8068 {
8069 int n;
8070 long len;
8071
8072 if (cursor_valid())
8073 {
8074 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8075 if (n >= 0)
8076 windgoto((int)n, curwin->w_wcol);
8077 }
8078
8079 len = eap->line2;
8080 switch (*eap->arg)
8081 {
8082 case 'm': break;
8083 case NUL: len *= 1000L; break;
8084 default: EMSG2(_(e_invarg2), eap->arg); return;
8085 }
8086 do_sleep(len);
8087 }
8088
8089 /*
8090 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8091 */
8092 void
8093 do_sleep(msec)
8094 long msec;
8095 {
8096 long done;
8097
8098 cursor_on();
8099 out_flush();
8100 for (done = 0; !got_int && done < msec; done += 1000L)
8101 {
8102 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8103 ui_breakcheck();
8104 }
8105 }
8106
8107 static void
8108 do_exmap(eap, isabbrev)
8109 exarg_T *eap;
8110 int isabbrev;
8111 {
8112 int mode;
8113 char_u *cmdp;
8114
8115 cmdp = eap->cmd;
8116 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8117
8118 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8119 eap->arg, mode, isabbrev))
8120 {
8121 case 1: EMSG(_(e_invarg));
8122 break;
8123 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8124 break;
8125 }
8126 }
8127
8128 /*
8129 * ":winsize" command (obsolete).
8130 */
8131 static void
8132 ex_winsize(eap)
8133 exarg_T *eap;
8134 {
8135 int w, h;
8136 char_u *arg = eap->arg;
8137 char_u *p;
8138
8139 w = getdigits(&arg);
8140 arg = skipwhite(arg);
8141 p = arg;
8142 h = getdigits(&arg);
8143 if (*p != NUL && *arg == NUL)
8144 set_shellsize(w, h, TRUE);
8145 else
8146 EMSG(_("E465: :winsize requires two number arguments"));
8147 }
8148
8149 #ifdef FEAT_WINDOWS
8150 static void
8151 ex_wincmd(eap)
8152 exarg_T *eap;
8153 {
8154 int xchar = NUL;
8155 char_u *p;
8156
8157 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8158 {
8159 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8160 if (eap->arg[1] == NUL)
8161 {
8162 EMSG(_(e_invarg));
8163 return;
8164 }
8165 xchar = eap->arg[1];
8166 p = eap->arg + 2;
8167 }
8168 else
8169 p = eap->arg + 1;
8170
8171 eap->nextcmd = check_nextcmd(p);
8172 p = skipwhite(p);
8173 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8174 EMSG(_(e_invarg));
8175 else
8176 {
8177 /* Pass flags on for ":vertical wincmd ]". */
8178 postponed_split_flags = cmdmod.split;
8179 postponed_split_tab = cmdmod.tab;
8180 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8181 postponed_split_flags = 0;
8182 postponed_split_tab = 0;
8183 }
8184 }
8185 #endif
8186
8187 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8188 /*
8189 * ":winpos".
8190 */
8191 static void
8192 ex_winpos(eap)
8193 exarg_T *eap;
8194 {
8195 int x, y;
8196 char_u *arg = eap->arg;
8197 char_u *p;
8198
8199 if (*arg == NUL)
8200 {
8201 # if defined(FEAT_GUI) || defined(MSWIN)
8202 # ifdef FEAT_GUI
8203 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8204 # else
8205 if (mch_get_winpos(&x, &y) != FAIL)
8206 # endif
8207 {
8208 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8209 msg(IObuff);
8210 }
8211 else
8212 # endif
8213 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8214 }
8215 else
8216 {
8217 x = getdigits(&arg);
8218 arg = skipwhite(arg);
8219 p = arg;
8220 y = getdigits(&arg);
8221 if (*p == NUL || *arg != NUL)
8222 {
8223 EMSG(_("E466: :winpos requires two number arguments"));
8224 return;
8225 }
8226 # ifdef FEAT_GUI
8227 if (gui.in_use)
8228 gui_mch_set_winpos(x, y);
8229 else if (gui.starting)
8230 {
8231 /* Remember the coordinates for when the window is opened. */
8232 gui_win_x = x;
8233 gui_win_y = y;
8234 }
8235 # ifdef HAVE_TGETENT
8236 else
8237 # endif
8238 # else
8239 # ifdef MSWIN
8240 mch_set_winpos(x, y);
8241 # endif
8242 # endif
8243 # ifdef HAVE_TGETENT
8244 if (*T_CWP)
8245 term_set_winpos(x, y);
8246 # endif
8247 }
8248 }
8249 #endif
8250
8251 /*
8252 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8253 */
8254 static void
8255 ex_operators(eap)
8256 exarg_T *eap;
8257 {
8258 oparg_T oa;
8259
8260 clear_oparg(&oa);
8261 oa.regname = eap->regname;
8262 oa.start.lnum = eap->line1;
8263 oa.end.lnum = eap->line2;
8264 oa.line_count = eap->line2 - eap->line1 + 1;
8265 oa.motion_type = MLINE;
8266 #ifdef FEAT_VIRTUALEDIT
8267 virtual_op = FALSE;
8268 #endif
8269 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8270 {
8271 setpcmark();
8272 curwin->w_cursor.lnum = eap->line1;
8273 beginline(BL_SOL | BL_FIX);
8274 }
8275
8276 switch (eap->cmdidx)
8277 {
8278 case CMD_delete:
8279 oa.op_type = OP_DELETE;
8280 op_delete(&oa);
8281 break;
8282
8283 case CMD_yank:
8284 oa.op_type = OP_YANK;
8285 (void)op_yank(&oa, FALSE, TRUE);
8286 break;
8287
8288 default: /* CMD_rshift or CMD_lshift */
8289 if ((eap->cmdidx == CMD_rshift)
8290 #ifdef FEAT_RIGHTLEFT
8291 ^ curwin->w_p_rl
8292 #endif
8293 )
8294 oa.op_type = OP_RSHIFT;
8295 else
8296 oa.op_type = OP_LSHIFT;
8297 op_shift(&oa, FALSE, eap->amount);
8298 break;
8299 }
8300 #ifdef FEAT_VIRTUALEDIT
8301 virtual_op = MAYBE;
8302 #endif
8303 ex_may_print(eap);
8304 }
8305
8306 /*
8307 * ":put".
8308 */
8309 static void
8310 ex_put(eap)
8311 exarg_T *eap;
8312 {
8313 /* ":0put" works like ":1put!". */
8314 if (eap->line2 == 0)
8315 {
8316 eap->line2 = 1;
8317 eap->forceit = TRUE;
8318 }
8319 curwin->w_cursor.lnum = eap->line2;
8320 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8321 PUT_LINE|PUT_CURSLINE);
8322 }
8323
8324 /*
8325 * Handle ":copy" and ":move".
8326 */
8327 static void
8328 ex_copymove(eap)
8329 exarg_T *eap;
8330 {
8331 long n;
8332
8333 n = get_address(&eap->arg, FALSE, FALSE);
8334 if (eap->arg == NULL) /* error detected */
8335 {
8336 eap->nextcmd = NULL;
8337 return;
8338 }
8339 get_flags(eap);
8340
8341 /*
8342 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8343 */
8344 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8345 {
8346 EMSG(_(e_invaddr));
8347 return;
8348 }
8349
8350 if (eap->cmdidx == CMD_move)
8351 {
8352 if (do_move(eap->line1, eap->line2, n) == FAIL)
8353 return;
8354 }
8355 else
8356 ex_copy(eap->line1, eap->line2, n);
8357 u_clearline();
8358 beginline(BL_SOL | BL_FIX);
8359 ex_may_print(eap);
8360 }
8361
8362 /*
8363 * Print the current line if flags were given to the Ex command.
8364 */
8365 static void
8366 ex_may_print(eap)
8367 exarg_T *eap;
8368 {
8369 if (eap->flags != 0)
8370 {
8371 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8372 (eap->flags & EXFLAG_LIST));
8373 ex_no_reprint = TRUE;
8374 }
8375 }
8376
8377 /*
8378 * ":smagic" and ":snomagic".
8379 */
8380 static void
8381 ex_submagic(eap)
8382 exarg_T *eap;
8383 {
8384 int magic_save = p_magic;
8385
8386 p_magic = (eap->cmdidx == CMD_smagic);
8387 do_sub(eap);
8388 p_magic = magic_save;
8389 }
8390
8391 /*
8392 * ":join".
8393 */
8394 static void
8395 ex_join(eap)
8396 exarg_T *eap;
8397 {
8398 curwin->w_cursor.lnum = eap->line1;
8399 if (eap->line1 == eap->line2)
8400 {
8401 if (eap->addr_count >= 2) /* :2,2join does nothing */
8402 return;
8403 if (eap->line2 == curbuf->b_ml.ml_line_count)
8404 {
8405 beep_flush();
8406 return;
8407 }
8408 ++eap->line2;
8409 }
8410 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8411 beginline(BL_WHITE | BL_FIX);
8412 ex_may_print(eap);
8413 }
8414
8415 /*
8416 * ":[addr]@r" or ":[addr]*r": execute register
8417 */
8418 static void
8419 ex_at(eap)
8420 exarg_T *eap;
8421 {
8422 int c;
8423 int prev_len = typebuf.tb_len;
8424
8425 curwin->w_cursor.lnum = eap->line2;
8426
8427 #ifdef USE_ON_FLY_SCROLL
8428 dont_scroll = TRUE; /* disallow scrolling here */
8429 #endif
8430
8431 /* get the register name. No name means to use the previous one */
8432 c = *eap->arg;
8433 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8434 c = '@';
8435 /* Put the register in the typeahead buffer with the "silent" flag. */
8436 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8437 == FAIL)
8438 {
8439 beep_flush();
8440 }
8441 else
8442 {
8443 int save_efr = exec_from_reg;
8444
8445 exec_from_reg = TRUE;
8446
8447 /*
8448 * Execute from the typeahead buffer.
8449 * Continue until the stuff buffer is empty and all added characters
8450 * have been consumed.
8451 */
8452 while (!stuff_empty() || typebuf.tb_len > prev_len)
8453 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8454
8455 exec_from_reg = save_efr;
8456 }
8457 }
8458
8459 /*
8460 * ":!".
8461 */
8462 static void
8463 ex_bang(eap)
8464 exarg_T *eap;
8465 {
8466 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8467 }
8468
8469 /*
8470 * ":undo".
8471 */
8472 static void
8473 ex_undo(eap)
8474 exarg_T *eap UNUSED;
8475 {
8476 if (eap->addr_count == 1) /* :undo 123 */
8477 undo_time(eap->line2, FALSE, TRUE);
8478 else
8479 u_undo(1);
8480 }
8481
8482 /*
8483 * ":redo".
8484 */
8485 static void
8486 ex_redo(eap)
8487 exarg_T *eap UNUSED;
8488 {
8489 u_redo(1);
8490 }
8491
8492 /*
8493 * ":earlier" and ":later".
8494 */
8495 static void
8496 ex_later(eap)
8497 exarg_T *eap;
8498 {
8499 long count = 0;
8500 int sec = FALSE;
8501 char_u *p = eap->arg;
8502
8503 if (*p == NUL)
8504 count = 1;
8505 else if (isdigit(*p))
8506 {
8507 count = getdigits(&p);
8508 switch (*p)
8509 {
8510 case 's': ++p; sec = TRUE; break;
8511 case 'm': ++p; sec = TRUE; count *= 60; break;
8512 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8513 }
8514 }
8515
8516 if (*p != NUL)
8517 EMSG2(_(e_invarg2), eap->arg);
8518 else
8519 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8520 }
8521
8522 /*
8523 * ":redir": start/stop redirection.
8524 */
8525 static void
8526 ex_redir(eap)
8527 exarg_T *eap;
8528 {
8529 char *mode;
8530 char_u *fname;
8531 char_u *arg = eap->arg;
8532
8533 if (STRICMP(eap->arg, "END") == 0)
8534 close_redir();
8535 else
8536 {
8537 if (*arg == '>')
8538 {
8539 ++arg;
8540 if (*arg == '>')
8541 {
8542 ++arg;
8543 mode = "a";
8544 }
8545 else
8546 mode = "w";
8547 arg = skipwhite(arg);
8548
8549 close_redir();
8550
8551 /* Expand environment variables and "~/". */
8552 fname = expand_env_save(arg);
8553 if (fname == NULL)
8554 return;
8555 #ifdef FEAT_BROWSE
8556 if (cmdmod.browse)
8557 {
8558 char_u *browseFile;
8559
8560 browseFile = do_browse(BROWSE_SAVE,
8561 (char_u *)_("Save Redirection"),
8562 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8563 if (browseFile == NULL)
8564 return; /* operation cancelled */
8565 vim_free(fname);
8566 fname = browseFile;
8567 eap->forceit = TRUE; /* since dialog already asked */
8568 }
8569 #endif
8570
8571 redir_fd = open_exfile(fname, eap->forceit, mode);
8572 vim_free(fname);
8573 }
8574 #ifdef FEAT_EVAL
8575 else if (*arg == '@')
8576 {
8577 /* redirect to a register a-z (resp. A-Z for appending) */
8578 close_redir();
8579 ++arg;
8580 if (ASCII_ISALPHA(*arg)
8581 # ifdef FEAT_CLIPBOARD
8582 || *arg == '*'
8583 || *arg == '+'
8584 # endif
8585 || *arg == '"')
8586 {
8587 redir_reg = *arg++;
8588 if (*arg == '>' && arg[1] == '>') /* append */
8589 arg += 2;
8590 else
8591 {
8592 /* Can use both "@a" and "@a>". */
8593 if (*arg == '>')
8594 arg++;
8595 /* Make register empty when not using @A-@Z and the
8596 * command is valid. */
8597 if (*arg == NUL && !isupper(redir_reg))
8598 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8599 }
8600 }
8601 if (*arg != NUL)
8602 {
8603 redir_reg = 0;
8604 EMSG2(_(e_invarg2), eap->arg);
8605 }
8606 }
8607 else if (*arg == '=' && arg[1] == '>')
8608 {
8609 int append;
8610
8611 /* redirect to a variable */
8612 close_redir();
8613 arg += 2;
8614
8615 if (*arg == '>')
8616 {
8617 ++arg;
8618 append = TRUE;
8619 }
8620 else
8621 append = FALSE;
8622
8623 if (var_redir_start(skipwhite(arg), append) == OK)
8624 redir_vname = 1;
8625 }
8626 #endif
8627
8628 /* TODO: redirect to a buffer */
8629
8630 else
8631 EMSG2(_(e_invarg2), eap->arg);
8632 }
8633
8634 /* Make sure redirection is not off. Can happen for cmdline completion
8635 * that indirectly invokes a command to catch its output. */
8636 if (redir_fd != NULL
8637 #ifdef FEAT_EVAL
8638 || redir_reg || redir_vname
8639 #endif
8640 )
8641 redir_off = FALSE;
8642 }
8643
8644 /*
8645 * ":redraw": force redraw
8646 */
8647 static void
8648 ex_redraw(eap)
8649 exarg_T *eap;
8650 {
8651 int r = RedrawingDisabled;
8652 int p = p_lz;
8653
8654 RedrawingDisabled = 0;
8655 p_lz = FALSE;
8656 update_topline();
8657 update_screen(eap->forceit ? CLEAR :
8658 #ifdef FEAT_VISUAL
8659 VIsual_active ? INVERTED :
8660 #endif
8661 0);
8662 #ifdef FEAT_TITLE
8663 if (need_maketitle)
8664 maketitle();
8665 #endif
8666 RedrawingDisabled = r;
8667 p_lz = p;
8668
8669 /* Reset msg_didout, so that a message that's there is overwritten. */
8670 msg_didout = FALSE;
8671 msg_col = 0;
8672
8673 out_flush();
8674 }
8675
8676 /*
8677 * ":redrawstatus": force redraw of status line(s)
8678 */
8679 static void
8680 ex_redrawstatus(eap)
8681 exarg_T *eap UNUSED;
8682 {
8683 #if defined(FEAT_WINDOWS)
8684 int r = RedrawingDisabled;
8685 int p = p_lz;
8686
8687 RedrawingDisabled = 0;
8688 p_lz = FALSE;
8689 if (eap->forceit)
8690 status_redraw_all();
8691 else
8692 status_redraw_curbuf();
8693 update_screen(
8694 # ifdef FEAT_VISUAL
8695 VIsual_active ? INVERTED :
8696 # endif
8697 0);
8698 RedrawingDisabled = r;
8699 p_lz = p;
8700 out_flush();
8701 #endif
8702 }
8703
8704 static void
8705 close_redir()
8706 {
8707 if (redir_fd != NULL)
8708 {
8709 fclose(redir_fd);
8710 redir_fd = NULL;
8711 }
8712 #ifdef FEAT_EVAL
8713 redir_reg = 0;
8714 if (redir_vname)
8715 {
8716 var_redir_stop();
8717 redir_vname = 0;
8718 }
8719 #endif
8720 }
8721
8722 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8723 # define MKSESSION_NL
8724 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8725 #endif
8726
8727 /*
8728 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8729 */
8730 static void
8731 ex_mkrc(eap)
8732 exarg_T *eap;
8733 {
8734 FILE *fd;
8735 int failed = FALSE;
8736 char_u *fname;
8737 #ifdef FEAT_BROWSE
8738 char_u *browseFile = NULL;
8739 #endif
8740 #ifdef FEAT_SESSION
8741 int view_session = FALSE;
8742 int using_vdir = FALSE; /* using 'viewdir'? */
8743 char_u *viewFile = NULL;
8744 unsigned *flagp;
8745 #endif
8746
8747 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8748 {
8749 #ifdef FEAT_SESSION
8750 view_session = TRUE;
8751 #else
8752 ex_ni(eap);
8753 return;
8754 #endif
8755 }
8756
8757 #ifdef FEAT_SESSION
8758 /* Use the short file name until ":lcd" is used. We also don't use the
8759 * short file name when 'acd' is set, that is checked later. */
8760 did_lcd = FALSE;
8761
8762 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8763 if (eap->cmdidx == CMD_mkview
8764 && (*eap->arg == NUL
8765 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8766 {
8767 eap->forceit = TRUE;
8768 fname = get_view_file(*eap->arg);
8769 if (fname == NULL)
8770 return;
8771 viewFile = fname;
8772 using_vdir = TRUE;
8773 }
8774 else
8775 #endif
8776 if (*eap->arg != NUL)
8777 fname = eap->arg;
8778 else if (eap->cmdidx == CMD_mkvimrc)
8779 fname = (char_u *)VIMRC_FILE;
8780 #ifdef FEAT_SESSION
8781 else if (eap->cmdidx == CMD_mksession)
8782 fname = (char_u *)SESSION_FILE;
8783 #endif
8784 else
8785 fname = (char_u *)EXRC_FILE;
8786
8787 #ifdef FEAT_BROWSE
8788 if (cmdmod.browse)
8789 {
8790 browseFile = do_browse(BROWSE_SAVE,
8791 # ifdef FEAT_SESSION
8792 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8793 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8794 # endif
8795 (char_u *)_("Save Setup"),
8796 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8797 if (browseFile == NULL)
8798 goto theend;
8799 fname = browseFile;
8800 eap->forceit = TRUE; /* since dialog already asked */
8801 }
8802 #endif
8803
8804 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8805 /* When using 'viewdir' may have to create the directory. */
8806 if (using_vdir && !mch_isdir(p_vdir))
8807 vim_mkdir_emsg(p_vdir, 0755);
8808 #endif
8809
8810 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8811 if (fd != NULL)
8812 {
8813 #ifdef FEAT_SESSION
8814 if (eap->cmdidx == CMD_mkview)
8815 flagp = &vop_flags;
8816 else
8817 flagp = &ssop_flags;
8818 #endif
8819
8820 #ifdef MKSESSION_NL
8821 /* "unix" in 'sessionoptions': use NL line separator */
8822 if (view_session && (*flagp & SSOP_UNIX))
8823 mksession_nl = TRUE;
8824 #endif
8825
8826 /* Write the version command for :mkvimrc */
8827 if (eap->cmdidx == CMD_mkvimrc)
8828 (void)put_line(fd, "version 6.0");
8829
8830 #ifdef FEAT_SESSION
8831 if (eap->cmdidx == CMD_mksession)
8832 {
8833 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8834 failed = TRUE;
8835 }
8836
8837 if (eap->cmdidx != CMD_mkview)
8838 #endif
8839 {
8840 /* Write setting 'compatible' first, because it has side effects.
8841 * For that same reason only do it when needed. */
8842 if (p_cp)
8843 (void)put_line(fd, "if !&cp | set cp | endif");
8844 else
8845 (void)put_line(fd, "if &cp | set nocp | endif");
8846 }
8847
8848 #ifdef FEAT_SESSION
8849 if (!view_session
8850 || (eap->cmdidx == CMD_mksession
8851 && (*flagp & SSOP_OPTIONS)))
8852 #endif
8853 failed |= (makemap(fd, NULL) == FAIL
8854 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8855
8856 #ifdef FEAT_SESSION
8857 if (!failed && view_session)
8858 {
8859 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8860 failed = TRUE;
8861 if (eap->cmdidx == CMD_mksession)
8862 {
8863 char_u dirnow[MAXPATHL]; /* current directory */
8864
8865 /*
8866 * Change to session file's dir.
8867 */
8868 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8869 || mch_chdir((char *)dirnow) != 0)
8870 *dirnow = NUL;
8871 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8872 {
8873 if (vim_chdirfile(fname) == OK)
8874 shorten_fnames(TRUE);
8875 }
8876 else if (*dirnow != NUL
8877 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8878 {
8879 if (mch_chdir((char *)globaldir) == 0)
8880 shorten_fnames(TRUE);
8881 }
8882
8883 failed |= (makeopens(fd, dirnow) == FAIL);
8884
8885 /* restore original dir */
8886 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8887 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8888 {
8889 if (mch_chdir((char *)dirnow) != 0)
8890 EMSG(_(e_prev_dir));
8891 shorten_fnames(TRUE);
8892 }
8893 }
8894 else
8895 {
8896 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8897 -1) == FAIL);
8898 }
8899 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8900 == FAIL)
8901 failed = TRUE;
8902 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8903 failed = TRUE;
8904 if (eap->cmdidx == CMD_mksession)
8905 {
8906 if (put_line(fd, "unlet SessionLoad") == FAIL)
8907 failed = TRUE;
8908 }
8909 }
8910 #endif
8911 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8912 failed = TRUE;
8913
8914 failed |= fclose(fd);
8915
8916 if (failed)
8917 EMSG(_(e_write));
8918 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8919 else if (eap->cmdidx == CMD_mksession)
8920 {
8921 /* successful session write - set this_session var */
8922 char_u tbuf[MAXPATHL];
8923
8924 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8925 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8926 }
8927 #endif
8928 #ifdef MKSESSION_NL
8929 mksession_nl = FALSE;
8930 #endif
8931 }
8932
8933 #ifdef FEAT_BROWSE
8934 theend:
8935 vim_free(browseFile);
8936 #endif
8937 #ifdef FEAT_SESSION
8938 vim_free(viewFile);
8939 #endif
8940 }
8941
8942 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8943 || defined(PROTO)
8944 int
8945 vim_mkdir_emsg(name, prot)
8946 char_u *name;
8947 int prot UNUSED;
8948 {
8949 if (vim_mkdir(name, prot) != 0)
8950 {
8951 EMSG2(_("E739: Cannot create directory: %s"), name);
8952 return FAIL;
8953 }
8954 return OK;
8955 }
8956 #endif
8957
8958 /*
8959 * Open a file for writing for an Ex command, with some checks.
8960 * Return file descriptor, or NULL on failure.
8961 */
8962 FILE *
8963 open_exfile(fname, forceit, mode)
8964 char_u *fname;
8965 int forceit;
8966 char *mode; /* "w" for create new file or "a" for append */
8967 {
8968 FILE *fd;
8969
8970 #ifdef UNIX
8971 /* with Unix it is possible to open a directory */
8972 if (mch_isdir(fname))
8973 {
8974 EMSG2(_(e_isadir2), fname);
8975 return NULL;
8976 }
8977 #endif
8978 if (!forceit && *mode != 'a' && vim_fexists(fname))
8979 {
8980 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8981 return NULL;
8982 }
8983
8984 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8985 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8986
8987 return fd;
8988 }
8989
8990 /*
8991 * ":mark" and ":k".
8992 */
8993 static void
8994 ex_mark(eap)
8995 exarg_T *eap;
8996 {
8997 pos_T pos;
8998
8999 if (*eap->arg == NUL) /* No argument? */
9000 EMSG(_(e_argreq));
9001 else if (eap->arg[1] != NUL) /* more than one character? */
9002 EMSG(_(e_trailing));
9003 else
9004 {
9005 pos = curwin->w_cursor; /* save curwin->w_cursor */
9006 curwin->w_cursor.lnum = eap->line2;
9007 beginline(BL_WHITE | BL_FIX);
9008 if (setmark(*eap->arg) == FAIL) /* set mark */
9009 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
9010 curwin->w_cursor = pos; /* restore curwin->w_cursor */
9011 }
9012 }
9013
9014 /*
9015 * Update w_topline, w_leftcol and the cursor position.
9016 */
9017 void
9018 update_topline_cursor()
9019 {
9020 check_cursor(); /* put cursor on valid line */
9021 update_topline();
9022 if (!curwin->w_p_wrap)
9023 validate_cursor();
9024 update_curswant();
9025 }
9026
9027 #ifdef FEAT_EX_EXTRA
9028 /*
9029 * ":normal[!] {commands}": Execute normal mode commands.
9030 */
9031 static void
9032 ex_normal(eap)
9033 exarg_T *eap;
9034 {
9035 int save_msg_scroll = msg_scroll;
9036 int save_restart_edit = restart_edit;
9037 int save_msg_didout = msg_didout;
9038 int save_State = State;
9039 tasave_T tabuf;
9040 int save_insertmode = p_im;
9041 int save_finish_op = finish_op;
9042 int save_opcount = opcount;
9043 #ifdef FEAT_MBYTE
9044 char_u *arg = NULL;
9045 int l;
9046 char_u *p;
9047 #endif
9048
9049 if (ex_normal_lock > 0)
9050 {
9051 EMSG(_(e_secure));
9052 return;
9053 }
9054 if (ex_normal_busy >= p_mmd)
9055 {
9056 EMSG(_("E192: Recursive use of :normal too deep"));
9057 return;
9058 }
9059 ++ex_normal_busy;
9060
9061 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9062 restart_edit = 0; /* don't go to Insert mode */
9063 p_im = FALSE; /* don't use 'insertmode' */
9064
9065 #ifdef FEAT_MBYTE
9066 /*
9067 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9068 * this for the K_SPECIAL leading byte, otherwise special keys will not
9069 * work.
9070 */
9071 if (has_mbyte)
9072 {
9073 int len = 0;
9074
9075 /* Count the number of characters to be escaped. */
9076 for (p = eap->arg; *p != NUL; ++p)
9077 {
9078 # ifdef FEAT_GUI
9079 if (*p == CSI) /* leadbyte CSI */
9080 len += 2;
9081 # endif
9082 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9083 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9084 # ifdef FEAT_GUI
9085 || *p == CSI
9086 # endif
9087 )
9088 len += 2;
9089 }
9090 if (len > 0)
9091 {
9092 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9093 if (arg != NULL)
9094 {
9095 len = 0;
9096 for (p = eap->arg; *p != NUL; ++p)
9097 {
9098 arg[len++] = *p;
9099 # ifdef FEAT_GUI
9100 if (*p == CSI)
9101 {
9102 arg[len++] = KS_EXTRA;
9103 arg[len++] = (int)KE_CSI;
9104 }
9105 # endif
9106 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9107 {
9108 arg[len++] = *++p;
9109 if (*p == K_SPECIAL)
9110 {
9111 arg[len++] = KS_SPECIAL;
9112 arg[len++] = KE_FILLER;
9113 }
9114 # ifdef FEAT_GUI
9115 else if (*p == CSI)
9116 {
9117 arg[len++] = KS_EXTRA;
9118 arg[len++] = (int)KE_CSI;
9119 }
9120 # endif
9121 }
9122 arg[len] = NUL;
9123 }
9124 }
9125 }
9126 }
9127 #endif
9128
9129 /*
9130 * Save the current typeahead. This is required to allow using ":normal"
9131 * from an event handler and makes sure we don't hang when the argument
9132 * ends with half a command.
9133 */
9134 save_typeahead(&tabuf);
9135 if (tabuf.typebuf_valid)
9136 {
9137 /*
9138 * Repeat the :normal command for each line in the range. When no
9139 * range given, execute it just once, without positioning the cursor
9140 * first.
9141 */
9142 do
9143 {
9144 if (eap->addr_count != 0)
9145 {
9146 curwin->w_cursor.lnum = eap->line1++;
9147 curwin->w_cursor.col = 0;
9148 }
9149
9150 exec_normal_cmd(
9151 #ifdef FEAT_MBYTE
9152 arg != NULL ? arg :
9153 #endif
9154 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9155 }
9156 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9157 }
9158
9159 /* Might not return to the main loop when in an event handler. */
9160 update_topline_cursor();
9161
9162 /* Restore the previous typeahead. */
9163 restore_typeahead(&tabuf);
9164
9165 --ex_normal_busy;
9166 msg_scroll = save_msg_scroll;
9167 restart_edit = save_restart_edit;
9168 p_im = save_insertmode;
9169 finish_op = save_finish_op;
9170 opcount = save_opcount;
9171 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9172
9173 /* Restore the state (needed when called from a function executed for
9174 * 'indentexpr'). */
9175 State = save_State;
9176 #ifdef FEAT_MBYTE
9177 vim_free(arg);
9178 #endif
9179 }
9180
9181 /*
9182 * ":startinsert", ":startreplace" and ":startgreplace"
9183 */
9184 static void
9185 ex_startinsert(eap)
9186 exarg_T *eap;
9187 {
9188 if (eap->forceit)
9189 {
9190 coladvance((colnr_T)MAXCOL);
9191 curwin->w_curswant = MAXCOL;
9192 curwin->w_set_curswant = FALSE;
9193 }
9194
9195 /* Ignore the command when already in Insert mode. Inserting an
9196 * expression register that invokes a function can do this. */
9197 if (State & INSERT)
9198 return;
9199
9200 if (eap->cmdidx == CMD_startinsert)
9201 restart_edit = 'a';
9202 else if (eap->cmdidx == CMD_startreplace)
9203 restart_edit = 'R';
9204 else
9205 restart_edit = 'V';
9206
9207 if (!eap->forceit)
9208 {
9209 if (eap->cmdidx == CMD_startinsert)
9210 restart_edit = 'i';
9211 curwin->w_curswant = 0; /* avoid MAXCOL */
9212 }
9213 }
9214
9215 /*
9216 * ":stopinsert"
9217 */
9218 static void
9219 ex_stopinsert(eap)
9220 exarg_T *eap UNUSED;
9221 {
9222 restart_edit = 0;
9223 stop_insert_mode = TRUE;
9224 }
9225 #endif
9226
9227 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9228 /*
9229 * Execute normal mode command "cmd".
9230 * "remap" can be REMAP_NONE or REMAP_YES.
9231 */
9232 void
9233 exec_normal_cmd(cmd, remap, silent)
9234 char_u *cmd;
9235 int remap;
9236 int silent;
9237 {
9238 oparg_T oa;
9239
9240 /*
9241 * Stuff the argument into the typeahead buffer.
9242 * Execute normal_cmd() until there is no typeahead left.
9243 */
9244 clear_oparg(&oa);
9245 finish_op = FALSE;
9246 ins_typebuf(cmd, remap, 0, TRUE, silent);
9247 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9248 && !got_int)
9249 {
9250 update_topline_cursor();
9251 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9252 }
9253 }
9254 #endif
9255
9256 #ifdef FEAT_FIND_ID
9257 static void
9258 ex_checkpath(eap)
9259 exarg_T *eap;
9260 {
9261 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9262 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9263 (linenr_T)1, (linenr_T)MAXLNUM);
9264 }
9265
9266 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9267 /*
9268 * ":psearch"
9269 */
9270 static void
9271 ex_psearch(eap)
9272 exarg_T *eap;
9273 {
9274 g_do_tagpreview = p_pvh;
9275 ex_findpat(eap);
9276 g_do_tagpreview = 0;
9277 }
9278 #endif
9279
9280 static void
9281 ex_findpat(eap)
9282 exarg_T *eap;
9283 {
9284 int whole = TRUE;
9285 long n;
9286 char_u *p;
9287 int action;
9288
9289 switch (cmdnames[eap->cmdidx].cmd_name[2])
9290 {
9291 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9292 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9293 action = ACTION_GOTO;
9294 else
9295 action = ACTION_SHOW;
9296 break;
9297 case 'i': /* ":ilist" and ":dlist" */
9298 action = ACTION_SHOW_ALL;
9299 break;
9300 case 'u': /* ":ijump" and ":djump" */
9301 action = ACTION_GOTO;
9302 break;
9303 default: /* ":isplit" and ":dsplit" */
9304 action = ACTION_SPLIT;
9305 break;
9306 }
9307
9308 n = 1;
9309 if (vim_isdigit(*eap->arg)) /* get count */
9310 {
9311 n = getdigits(&eap->arg);
9312 eap->arg = skipwhite(eap->arg);
9313 }
9314 if (*eap->arg == '/') /* Match regexp, not just whole words */
9315 {
9316 whole = FALSE;
9317 ++eap->arg;
9318 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9319 if (*p)
9320 {
9321 *p++ = NUL;
9322 p = skipwhite(p);
9323
9324 /* Check for trailing illegal characters */
9325 if (!ends_excmd(*p))
9326 eap->errmsg = e_trailing;
9327 else
9328 eap->nextcmd = check_nextcmd(p);
9329 }
9330 }
9331 if (!eap->skip)
9332 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9333 whole, !eap->forceit,
9334 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9335 n, action, eap->line1, eap->line2);
9336 }
9337 #endif
9338
9339 #ifdef FEAT_WINDOWS
9340
9341 # ifdef FEAT_QUICKFIX
9342 /*
9343 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9344 */
9345 static void
9346 ex_ptag(eap)
9347 exarg_T *eap;
9348 {
9349 g_do_tagpreview = p_pvh;
9350 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9351 }
9352
9353 /*
9354 * ":pedit"
9355 */
9356 static void
9357 ex_pedit(eap)
9358 exarg_T *eap;
9359 {
9360 win_T *curwin_save = curwin;
9361
9362 g_do_tagpreview = p_pvh;
9363 prepare_tagpreview(TRUE);
9364 keep_help_flag = curwin_save->w_buffer->b_help;
9365 do_exedit(eap, NULL);
9366 keep_help_flag = FALSE;
9367 if (curwin != curwin_save && win_valid(curwin_save))
9368 {
9369 /* Return cursor to where we were */
9370 validate_cursor();
9371 redraw_later(VALID);
9372 win_enter(curwin_save, TRUE);
9373 }
9374 g_do_tagpreview = 0;
9375 }
9376 # endif
9377
9378 /*
9379 * ":stag", ":stselect" and ":stjump".
9380 */
9381 static void
9382 ex_stag(eap)
9383 exarg_T *eap;
9384 {
9385 postponed_split = -1;
9386 postponed_split_flags = cmdmod.split;
9387 postponed_split_tab = cmdmod.tab;
9388 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9389 postponed_split_flags = 0;
9390 postponed_split_tab = 0;
9391 }
9392 #endif
9393
9394 /*
9395 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9396 */
9397 static void
9398 ex_tag(eap)
9399 exarg_T *eap;
9400 {
9401 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9402 }
9403
9404 static void
9405 ex_tag_cmd(eap, name)
9406 exarg_T *eap;
9407 char_u *name;
9408 {
9409 int cmd;
9410
9411 switch (name[1])
9412 {
9413 case 'j': cmd = DT_JUMP; /* ":tjump" */
9414 break;
9415 case 's': cmd = DT_SELECT; /* ":tselect" */
9416 break;
9417 case 'p': cmd = DT_PREV; /* ":tprevious" */
9418 break;
9419 case 'N': cmd = DT_PREV; /* ":tNext" */
9420 break;
9421 case 'n': cmd = DT_NEXT; /* ":tnext" */
9422 break;
9423 case 'o': cmd = DT_POP; /* ":pop" */
9424 break;
9425 case 'f': /* ":tfirst" */
9426 case 'r': cmd = DT_FIRST; /* ":trewind" */
9427 break;
9428 case 'l': cmd = DT_LAST; /* ":tlast" */
9429 break;
9430 default: /* ":tag" */
9431 #ifdef FEAT_CSCOPE
9432 if (p_cst && *eap->arg != NUL)
9433 {
9434 do_cstag(eap);
9435 return;
9436 }
9437 #endif
9438 cmd = DT_TAG;
9439 break;
9440 }
9441
9442 if (name[0] == 'l')
9443 {
9444 #ifndef FEAT_QUICKFIX
9445 ex_ni(eap);
9446 return;
9447 #else
9448 cmd = DT_LTAG;
9449 #endif
9450 }
9451
9452 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9453 eap->forceit, TRUE);
9454 }
9455
9456 /*
9457 * Check "str" for starting with a special cmdline variable.
9458 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9459 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9460 */
9461 int
9462 find_cmdline_var(src, usedlen)
9463 char_u *src;
9464 int *usedlen;
9465 {
9466 int len;
9467 int i;
9468 static char *(spec_str[]) = {
9469 "%",
9470 #define SPEC_PERC 0
9471 "#",
9472 #define SPEC_HASH 1
9473 "<cword>", /* cursor word */
9474 #define SPEC_CWORD 2
9475 "<cWORD>", /* cursor WORD */
9476 #define SPEC_CCWORD 3
9477 "<cfile>", /* cursor path name */
9478 #define SPEC_CFILE 4
9479 "<sfile>", /* ":so" file name */
9480 #define SPEC_SFILE 5
9481 #ifdef FEAT_AUTOCMD
9482 "<afile>", /* autocommand file name */
9483 # define SPEC_AFILE 6
9484 "<abuf>", /* autocommand buffer number */
9485 # define SPEC_ABUF 7
9486 "<amatch>", /* autocommand match name */
9487 # define SPEC_AMATCH 8
9488 #endif
9489 #ifdef FEAT_CLIENTSERVER
9490 "<client>"
9491 # define SPEC_CLIENT 9
9492 #endif
9493 };
9494
9495 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9496 {
9497 len = (int)STRLEN(spec_str[i]);
9498 if (STRNCMP(src, spec_str[i], len) == 0)
9499 {
9500 *usedlen = len;
9501 return i;
9502 }
9503 }
9504 return -1;
9505 }
9506
9507 /*
9508 * Evaluate cmdline variables.
9509 *
9510 * change '%' to curbuf->b_ffname
9511 * '#' to curwin->w_altfile
9512 * '<cword>' to word under the cursor
9513 * '<cWORD>' to WORD under the cursor
9514 * '<cfile>' to path name under the cursor
9515 * '<sfile>' to sourced file name
9516 * '<afile>' to file name for autocommand
9517 * '<abuf>' to buffer number for autocommand
9518 * '<amatch>' to matching name for autocommand
9519 *
9520 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9521 * "" for error without a message) and NULL is returned.
9522 * Returns an allocated string if a valid match was found.
9523 * Returns NULL if no match was found. "usedlen" then still contains the
9524 * number of characters to skip.
9525 */
9526 char_u *
9527 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9528 char_u *src; /* pointer into commandline */
9529 char_u *srcstart; /* beginning of valid memory for src */
9530 int *usedlen; /* characters after src that are used */
9531 linenr_T *lnump; /* line number for :e command, or NULL */
9532 char_u **errormsg; /* pointer to error message */
9533 int *escaped; /* return value has escaped white space (can
9534 * be NULL) */
9535 {
9536 int i;
9537 char_u *s;
9538 char_u *result;
9539 char_u *resultbuf = NULL;
9540 int resultlen;
9541 buf_T *buf;
9542 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9543 int spec_idx;
9544 #ifdef FEAT_MODIFY_FNAME
9545 int skip_mod = FALSE;
9546 #endif
9547
9548 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9549 char_u strbuf[30];
9550 #endif
9551
9552 *errormsg = NULL;
9553 if (escaped != NULL)
9554 *escaped = FALSE;
9555
9556 /*
9557 * Check if there is something to do.
9558 */
9559 spec_idx = find_cmdline_var(src, usedlen);
9560 if (spec_idx < 0) /* no match */
9561 {
9562 *usedlen = 1;
9563 return NULL;
9564 }
9565
9566 /*
9567 * Skip when preceded with a backslash "\%" and "\#".
9568 * Note: In "\\%" the % is also not recognized!
9569 */
9570 if (src > srcstart && src[-1] == '\\')
9571 {
9572 *usedlen = 0;
9573 STRMOVE(src - 1, src); /* remove backslash */
9574 return NULL;
9575 }
9576
9577 /*
9578 * word or WORD under cursor
9579 */
9580 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9581 {
9582 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9583 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9584 if (resultlen == 0)
9585 {
9586 *errormsg = (char_u *)"";
9587 return NULL;
9588 }
9589 }
9590
9591 /*
9592 * '#': Alternate file name
9593 * '%': Current file name
9594 * File name under the cursor
9595 * File name for autocommand
9596 * and following modifiers
9597 */
9598 else
9599 {
9600 switch (spec_idx)
9601 {
9602 case SPEC_PERC: /* '%': current file */
9603 if (curbuf->b_fname == NULL)
9604 {
9605 result = (char_u *)"";
9606 valid = 0; /* Must have ":p:h" to be valid */
9607 }
9608 else
9609 #ifdef RISCOS
9610 /* Always use the full path for RISC OS if possible. */
9611 result = curbuf->b_ffname;
9612 if (result == NULL)
9613 result = curbuf->b_fname;
9614 #else
9615 result = curbuf->b_fname;
9616 #endif
9617 break;
9618
9619 case SPEC_HASH: /* '#' or "#99": alternate file */
9620 if (src[1] == '#') /* "##": the argument list */
9621 {
9622 result = arg_all();
9623 resultbuf = result;
9624 *usedlen = 2;
9625 if (escaped != NULL)
9626 *escaped = TRUE;
9627 #ifdef FEAT_MODIFY_FNAME
9628 skip_mod = TRUE;
9629 #endif
9630 break;
9631 }
9632 s = src + 1;
9633 if (*s == '<') /* "#<99" uses v:oldfiles */
9634 ++s;
9635 i = (int)getdigits(&s);
9636 *usedlen = (int)(s - src); /* length of what we expand */
9637
9638 if (src[1] == '<')
9639 {
9640 if (*usedlen < 2)
9641 {
9642 /* Should we give an error message for #<text? */
9643 *usedlen = 1;
9644 return NULL;
9645 }
9646 #ifdef FEAT_EVAL
9647 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9648 (long)i);
9649 if (result == NULL)
9650 {
9651 *errormsg = (char_u *)"";
9652 return NULL;
9653 }
9654 #else
9655 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9656 return NULL;
9657 #endif
9658 }
9659 else
9660 {
9661 buf = buflist_findnr(i);
9662 if (buf == NULL)
9663 {
9664 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9665 return NULL;
9666 }
9667 if (lnump != NULL)
9668 *lnump = ECMD_LAST;
9669 if (buf->b_fname == NULL)
9670 {
9671 result = (char_u *)"";
9672 valid = 0; /* Must have ":p:h" to be valid */
9673 }
9674 else
9675 result = buf->b_fname;
9676 }
9677 break;
9678
9679 #ifdef FEAT_SEARCHPATH
9680 case SPEC_CFILE: /* file name under cursor */
9681 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9682 if (result == NULL)
9683 {
9684 *errormsg = (char_u *)"";
9685 return NULL;
9686 }
9687 resultbuf = result; /* remember allocated string */
9688 break;
9689 #endif
9690
9691 #ifdef FEAT_AUTOCMD
9692 case SPEC_AFILE: /* file name for autocommand */
9693 result = autocmd_fname;
9694 if (result != NULL && !autocmd_fname_full)
9695 {
9696 /* Still need to turn the fname into a full path. It is
9697 * postponed to avoid a delay when <afile> is not used. */
9698 autocmd_fname_full = TRUE;
9699 result = FullName_save(autocmd_fname, FALSE);
9700 vim_free(autocmd_fname);
9701 autocmd_fname = result;
9702 }
9703 if (result == NULL)
9704 {
9705 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9706 return NULL;
9707 }
9708 result = shorten_fname1(result);
9709 break;
9710
9711 case SPEC_ABUF: /* buffer number for autocommand */
9712 if (autocmd_bufnr <= 0)
9713 {
9714 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9715 return NULL;
9716 }
9717 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9718 result = strbuf;
9719 break;
9720
9721 case SPEC_AMATCH: /* match name for autocommand */
9722 result = autocmd_match;
9723 if (result == NULL)
9724 {
9725 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9726 return NULL;
9727 }
9728 break;
9729
9730 #endif
9731 case SPEC_SFILE: /* file name for ":so" command */
9732 result = sourcing_name;
9733 if (result == NULL)
9734 {
9735 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9736 return NULL;
9737 }
9738 break;
9739 #if defined(FEAT_CLIENTSERVER)
9740 case SPEC_CLIENT: /* Source of last submitted input */
9741 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9742 (long_u)clientWindow);
9743 result = strbuf;
9744 break;
9745 #endif
9746 }
9747
9748 resultlen = (int)STRLEN(result); /* length of new string */
9749 if (src[*usedlen] == '<') /* remove the file name extension */
9750 {
9751 ++*usedlen;
9752 #ifdef RISCOS
9753 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9754 #else
9755 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9756 #endif
9757 resultlen = (int)(s - result);
9758 }
9759 #ifdef FEAT_MODIFY_FNAME
9760 else if (!skip_mod)
9761 {
9762 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9763 &resultlen);
9764 if (result == NULL)
9765 {
9766 *errormsg = (char_u *)"";
9767 return NULL;
9768 }
9769 }
9770 #endif
9771 }
9772
9773 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9774 {
9775 if (valid != VALID_HEAD + VALID_PATH)
9776 /* xgettext:no-c-format */
9777 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9778 else
9779 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9780 result = NULL;
9781 }
9782 else
9783 result = vim_strnsave(result, resultlen);
9784 vim_free(resultbuf);
9785 return result;
9786 }
9787
9788 /*
9789 * Concatenate all files in the argument list, separated by spaces, and return
9790 * it in one allocated string.
9791 * Spaces and backslashes in the file names are escaped with a backslash.
9792 * Returns NULL when out of memory.
9793 */
9794 static char_u *
9795 arg_all()
9796 {
9797 int len;
9798 int idx;
9799 char_u *retval = NULL;
9800 char_u *p;
9801
9802 /*
9803 * Do this loop two times:
9804 * first time: compute the total length
9805 * second time: concatenate the names
9806 */
9807 for (;;)
9808 {
9809 len = 0;
9810 for (idx = 0; idx < ARGCOUNT; ++idx)
9811 {
9812 p = alist_name(&ARGLIST[idx]);
9813 if (p != NULL)
9814 {
9815 if (len > 0)
9816 {
9817 /* insert a space in between names */
9818 if (retval != NULL)
9819 retval[len] = ' ';
9820 ++len;
9821 }
9822 for ( ; *p != NUL; ++p)
9823 {
9824 if (*p == ' ' || *p == '\\')
9825 {
9826 /* insert a backslash */
9827 if (retval != NULL)
9828 retval[len] = '\\';
9829 ++len;
9830 }
9831 if (retval != NULL)
9832 retval[len] = *p;
9833 ++len;
9834 }
9835 }
9836 }
9837
9838 /* second time: break here */
9839 if (retval != NULL)
9840 {
9841 retval[len] = NUL;
9842 break;
9843 }
9844
9845 /* allocate memory */
9846 retval = alloc((unsigned)len + 1);
9847 if (retval == NULL)
9848 break;
9849 }
9850
9851 return retval;
9852 }
9853
9854 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9855 /*
9856 * Expand the <sfile> string in "arg".
9857 *
9858 * Returns an allocated string, or NULL for any error.
9859 */
9860 char_u *
9861 expand_sfile(arg)
9862 char_u *arg;
9863 {
9864 char_u *errormsg;
9865 int len;
9866 char_u *result;
9867 char_u *newres;
9868 char_u *repl;
9869 int srclen;
9870 char_u *p;
9871
9872 result = vim_strsave(arg);
9873 if (result == NULL)
9874 return NULL;
9875
9876 for (p = result; *p; )
9877 {
9878 if (STRNCMP(p, "<sfile>", 7) != 0)
9879 ++p;
9880 else
9881 {
9882 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9883 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9884 if (errormsg != NULL)
9885 {
9886 if (*errormsg)
9887 emsg(errormsg);
9888 vim_free(result);
9889 return NULL;
9890 }
9891 if (repl == NULL) /* no match (cannot happen) */
9892 {
9893 p += srclen;
9894 continue;
9895 }
9896 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9897 newres = alloc(len);
9898 if (newres == NULL)
9899 {
9900 vim_free(repl);
9901 vim_free(result);
9902 return NULL;
9903 }
9904 mch_memmove(newres, result, (size_t)(p - result));
9905 STRCPY(newres + (p - result), repl);
9906 len = (int)STRLEN(newres);
9907 STRCAT(newres, p + srclen);
9908 vim_free(repl);
9909 vim_free(result);
9910 result = newres;
9911 p = newres + len; /* continue after the match */
9912 }
9913 }
9914
9915 return result;
9916 }
9917 #endif
9918
9919 #ifdef FEAT_SESSION
9920 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9921 win_T *tab_firstwin));
9922 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9923 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9924 static int ses_do_frame __ARGS((frame_T *fr));
9925 static int ses_do_win __ARGS((win_T *wp));
9926 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9927 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9928 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9929
9930 /*
9931 * Write openfile commands for the current buffers to an .exrc file.
9932 * Return FAIL on error, OK otherwise.
9933 */
9934 static int
9935 makeopens(fd, dirnow)
9936 FILE *fd;
9937 char_u *dirnow; /* Current directory name */
9938 {
9939 buf_T *buf;
9940 int only_save_windows = TRUE;
9941 int nr;
9942 int cnr = 1;
9943 int restore_size = TRUE;
9944 win_T *wp;
9945 char_u *sname;
9946 win_T *edited_win = NULL;
9947 int tabnr;
9948 win_T *tab_firstwin;
9949 frame_T *tab_topframe;
9950 int cur_arg_idx = 0;
9951 int next_arg_idx = 0;
9952
9953 if (ssop_flags & SSOP_BUFFERS)
9954 only_save_windows = FALSE; /* Save ALL buffers */
9955
9956 /*
9957 * Begin by setting the this_session variable, and then other
9958 * sessionable variables.
9959 */
9960 #ifdef FEAT_EVAL
9961 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9962 return FAIL;
9963 if (ssop_flags & SSOP_GLOBALS)
9964 if (store_session_globals(fd) == FAIL)
9965 return FAIL;
9966 #endif
9967
9968 /*
9969 * Close all windows but one.
9970 */
9971 if (put_line(fd, "silent only") == FAIL)
9972 return FAIL;
9973
9974 /*
9975 * Now a :cd command to the session directory or the current directory
9976 */
9977 if (ssop_flags & SSOP_SESDIR)
9978 {
9979 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9980 == FAIL)
9981 return FAIL;
9982 }
9983 else if (ssop_flags & SSOP_CURDIR)
9984 {
9985 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9986 if (sname == NULL
9987 || fputs("cd ", fd) < 0
9988 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9989 || put_eol(fd) == FAIL)
9990 {
9991 vim_free(sname);
9992 return FAIL;
9993 }
9994 vim_free(sname);
9995 }
9996
9997 /*
9998 * If there is an empty, unnamed buffer we will wipe it out later.
9999 * Remember the buffer number.
10000 */
10001 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
10002 return FAIL;
10003 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
10004 return FAIL;
10005 if (put_line(fd, "endif") == FAIL)
10006 return FAIL;
10007
10008 /*
10009 * Now save the current files, current buffer first.
10010 */
10011 if (put_line(fd, "set shortmess=aoO") == FAIL)
10012 return FAIL;
10013
10014 /* Now put the other buffers into the buffer list */
10015 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
10016 {
10017 if (!(only_save_windows && buf->b_nwindows == 0)
10018 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
10019 && buf->b_fname != NULL
10020 && buf->b_p_bl)
10021 {
10022 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
10023 : buf->b_wininfo->wi_fpos.lnum) < 0
10024 || ses_fname(fd, buf, &ssop_flags) == FAIL)
10025 return FAIL;
10026 }
10027 }
10028
10029 /* the global argument list */
10030 if (ses_arglist(fd, "args", &global_alist.al_ga,
10031 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
10032 return FAIL;
10033
10034 if (ssop_flags & SSOP_RESIZE)
10035 {
10036 /* Note: after the restore we still check it worked!*/
10037 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
10038 || put_eol(fd) == FAIL)
10039 return FAIL;
10040 }
10041
10042 #ifdef FEAT_GUI
10043 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
10044 {
10045 int x, y;
10046
10047 if (gui_mch_get_winpos(&x, &y) == OK)
10048 {
10049 /* Note: after the restore we still check it worked!*/
10050 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10051 return FAIL;
10052 }
10053 }
10054 #endif
10055
10056 /*
10057 * May repeat putting Windows for each tab, when "tabpages" is in
10058 * 'sessionoptions'.
10059 * Don't use goto_tabpage(), it may change directory and trigger
10060 * autocommands.
10061 */
10062 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10063 tab_topframe = topframe;
10064 for (tabnr = 1; ; ++tabnr)
10065 {
10066 int need_tabnew = FALSE;
10067
10068 if ((ssop_flags & SSOP_TABPAGES))
10069 {
10070 tabpage_T *tp = find_tabpage(tabnr);
10071
10072 if (tp == NULL)
10073 break; /* done all tab pages */
10074 if (tp == curtab)
10075 {
10076 tab_firstwin = firstwin;
10077 tab_topframe = topframe;
10078 }
10079 else
10080 {
10081 tab_firstwin = tp->tp_firstwin;
10082 tab_topframe = tp->tp_topframe;
10083 }
10084 if (tabnr > 1)
10085 need_tabnew = TRUE;
10086 }
10087
10088 /*
10089 * Before creating the window layout, try loading one file. If this
10090 * is aborted we don't end up with a number of useless windows.
10091 * This may have side effects! (e.g., compressed or network file).
10092 */
10093 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10094 {
10095 if (ses_do_win(wp)
10096 && wp->w_buffer->b_ffname != NULL
10097 && !wp->w_buffer->b_help
10098 #ifdef FEAT_QUICKFIX
10099 && !bt_nofile(wp->w_buffer)
10100 #endif
10101 )
10102 {
10103 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10104 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10105 return FAIL;
10106 need_tabnew = FALSE;
10107 if (!wp->w_arg_idx_invalid)
10108 edited_win = wp;
10109 break;
10110 }
10111 }
10112
10113 /* If no file got edited create an empty tab page. */
10114 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10115 return FAIL;
10116
10117 /*
10118 * Save current window layout.
10119 */
10120 if (put_line(fd, "set splitbelow splitright") == FAIL)
10121 return FAIL;
10122 if (ses_win_rec(fd, tab_topframe) == FAIL)
10123 return FAIL;
10124 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10125 return FAIL;
10126 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10127 return FAIL;
10128
10129 /*
10130 * Check if window sizes can be restored (no windows omitted).
10131 * Remember the window number of the current window after restoring.
10132 */
10133 nr = 0;
10134 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10135 {
10136 if (ses_do_win(wp))
10137 ++nr;
10138 else
10139 restore_size = FALSE;
10140 if (curwin == wp)
10141 cnr = nr;
10142 }
10143
10144 /* Go to the first window. */
10145 if (put_line(fd, "wincmd t") == FAIL)
10146 return FAIL;
10147
10148 /*
10149 * If more than one window, see if sizes can be restored.
10150 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10151 * resized when moving between windows.
10152 * Do this before restoring the view, so that the topline and the
10153 * cursor can be set. This is done again below.
10154 */
10155 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10156 return FAIL;
10157 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10158 return FAIL;
10159
10160 /*
10161 * Restore the view of the window (options, file, cursor, etc.).
10162 */
10163 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10164 {
10165 if (!ses_do_win(wp))
10166 continue;
10167 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10168 cur_arg_idx) == FAIL)
10169 return FAIL;
10170 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10171 return FAIL;
10172 next_arg_idx = wp->w_arg_idx;
10173 }
10174
10175 /* The argument index in the first tab page is zero, need to set it in
10176 * each window. For further tab pages it's the window where we do
10177 * "tabedit". */
10178 cur_arg_idx = next_arg_idx;
10179
10180 /*
10181 * Restore cursor to the current window if it's not the first one.
10182 */
10183 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10184 || put_eol(fd) == FAIL))
10185 return FAIL;
10186
10187 /*
10188 * Restore window sizes again after jumping around in windows, because
10189 * the current window has a minimum size while others may not.
10190 */
10191 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10192 return FAIL;
10193
10194 /* Don't continue in another tab page when doing only the current one
10195 * or when at the last tab page. */
10196 if (!(ssop_flags & SSOP_TABPAGES))
10197 break;
10198 }
10199
10200 if (ssop_flags & SSOP_TABPAGES)
10201 {
10202 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10203 || put_eol(fd) == FAIL)
10204 return FAIL;
10205 }
10206
10207 /*
10208 * Wipe out an empty unnamed buffer we started in.
10209 */
10210 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10211 return FAIL;
10212 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10213 return FAIL;
10214 if (put_line(fd, "endif") == FAIL)
10215 return FAIL;
10216 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10217 return FAIL;
10218
10219 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10220 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10221 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10222 return FAIL;
10223
10224 /*
10225 * Lastly, execute the x.vim file if it exists.
10226 */
10227 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10228 || put_line(fd, "if file_readable(s:sx)") == FAIL
10229 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10230 || put_line(fd, "endif") == FAIL)
10231 return FAIL;
10232
10233 return OK;
10234 }
10235
10236 static int
10237 ses_winsizes(fd, restore_size, tab_firstwin)
10238 FILE *fd;
10239 int restore_size;
10240 win_T *tab_firstwin;
10241 {
10242 int n = 0;
10243 win_T *wp;
10244
10245 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10246 {
10247 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10248 {
10249 if (!ses_do_win(wp))
10250 continue;
10251 ++n;
10252
10253 /* restore height when not full height */
10254 if (wp->w_height + wp->w_status_height < topframe->fr_height
10255 && (fprintf(fd,
10256 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10257 n, (long)wp->w_height, Rows / 2, Rows) < 0
10258 || put_eol(fd) == FAIL))
10259 return FAIL;
10260
10261 /* restore width when not full width */
10262 if (wp->w_width < Columns && (fprintf(fd,
10263 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10264 n, (long)wp->w_width, Columns / 2, Columns) < 0
10265 || put_eol(fd) == FAIL))
10266 return FAIL;
10267 }
10268 }
10269 else
10270 {
10271 /* Just equalise window sizes */
10272 if (put_line(fd, "wincmd =") == FAIL)
10273 return FAIL;
10274 }
10275 return OK;
10276 }
10277
10278 /*
10279 * Write commands to "fd" to recursively create windows for frame "fr",
10280 * horizontally and vertically split.
10281 * After the commands the last window in the frame is the current window.
10282 * Returns FAIL when writing the commands to "fd" fails.
10283 */
10284 static int
10285 ses_win_rec(fd, fr)
10286 FILE *fd;
10287 frame_T *fr;
10288 {
10289 frame_T *frc;
10290 int count = 0;
10291
10292 if (fr->fr_layout != FR_LEAF)
10293 {
10294 /* Find first frame that's not skipped and then create a window for
10295 * each following one (first frame is already there). */
10296 frc = ses_skipframe(fr->fr_child);
10297 if (frc != NULL)
10298 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10299 {
10300 /* Make window as big as possible so that we have lots of room
10301 * to split. */
10302 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10303 || put_line(fd, fr->fr_layout == FR_COL
10304 ? "split" : "vsplit") == FAIL)
10305 return FAIL;
10306 ++count;
10307 }
10308
10309 /* Go back to the first window. */
10310 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10311 ? "%dwincmd k" : "%dwincmd h", count) < 0
10312 || put_eol(fd) == FAIL))
10313 return FAIL;
10314
10315 /* Recursively create frames/windows in each window of this column or
10316 * row. */
10317 frc = ses_skipframe(fr->fr_child);
10318 while (frc != NULL)
10319 {
10320 ses_win_rec(fd, frc);
10321 frc = ses_skipframe(frc->fr_next);
10322 /* Go to next window. */
10323 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10324 return FAIL;
10325 }
10326 }
10327 return OK;
10328 }
10329
10330 /*
10331 * Skip frames that don't contain windows we want to save in the Session.
10332 * Returns NULL when there none.
10333 */
10334 static frame_T *
10335 ses_skipframe(fr)
10336 frame_T *fr;
10337 {
10338 frame_T *frc;
10339
10340 for (frc = fr; frc != NULL; frc = frc->fr_next)
10341 if (ses_do_frame(frc))
10342 break;
10343 return frc;
10344 }
10345
10346 /*
10347 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10348 * the Session.
10349 */
10350 static int
10351 ses_do_frame(fr)
10352 frame_T *fr;
10353 {
10354 frame_T *frc;
10355
10356 if (fr->fr_layout == FR_LEAF)
10357 return ses_do_win(fr->fr_win);
10358 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10359 if (ses_do_frame(frc))
10360 return TRUE;
10361 return FALSE;
10362 }
10363
10364 /*
10365 * Return non-zero if window "wp" is to be stored in the Session.
10366 */
10367 static int
10368 ses_do_win(wp)
10369 win_T *wp;
10370 {
10371 if (wp->w_buffer->b_fname == NULL
10372 #ifdef FEAT_QUICKFIX
10373 /* When 'buftype' is "nofile" can't restore the window contents. */
10374 || bt_nofile(wp->w_buffer)
10375 #endif
10376 )
10377 return (ssop_flags & SSOP_BLANK);
10378 if (wp->w_buffer->b_help)
10379 return (ssop_flags & SSOP_HELP);
10380 return TRUE;
10381 }
10382
10383 /*
10384 * Write commands to "fd" to restore the view of a window.
10385 * Caller must make sure 'scrolloff' is zero.
10386 */
10387 static int
10388 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10389 FILE *fd;
10390 win_T *wp;
10391 int add_edit; /* add ":edit" command to view */
10392 unsigned *flagp; /* vop_flags or ssop_flags */
10393 int current_arg_idx; /* current argument index of the window, use
10394 * -1 if unknown */
10395 {
10396 win_T *save_curwin;
10397 int f;
10398 int do_cursor;
10399 int did_next = FALSE;
10400
10401 /* Always restore cursor position for ":mksession". For ":mkview" only
10402 * when 'viewoptions' contains "cursor". */
10403 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10404
10405 /*
10406 * Local argument list.
10407 */
10408 if (wp->w_alist == &global_alist)
10409 {
10410 if (put_line(fd, "argglobal") == FAIL)
10411 return FAIL;
10412 }
10413 else
10414 {
10415 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10416 flagp == &vop_flags
10417 || !(*flagp & SSOP_CURDIR)
10418 || wp->w_localdir != NULL, flagp) == FAIL)
10419 return FAIL;
10420 }
10421
10422 /* Only when part of a session: restore the argument index. Some
10423 * arguments may have been deleted, check if the index is valid. */
10424 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10425 && flagp == &ssop_flags)
10426 {
10427 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10428 || put_eol(fd) == FAIL)
10429 return FAIL;
10430 did_next = TRUE;
10431 }
10432
10433 /* Edit the file. Skip this when ":next" already did it. */
10434 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10435 {
10436 /*
10437 * Load the file.
10438 */
10439 if (wp->w_buffer->b_ffname != NULL
10440 #ifdef FEAT_QUICKFIX
10441 && !bt_nofile(wp->w_buffer)
10442 #endif
10443 )
10444 {
10445 /*
10446 * Editing a file in this buffer: use ":edit file".
10447 * This may have side effects! (e.g., compressed or network file).
10448 */
10449 if (fputs("edit ", fd) < 0
10450 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10451 return FAIL;
10452 }
10453 else
10454 {
10455 /* No file in this buffer, just make it empty. */
10456 if (put_line(fd, "enew") == FAIL)
10457 return FAIL;
10458 #ifdef FEAT_QUICKFIX
10459 if (wp->w_buffer->b_ffname != NULL)
10460 {
10461 /* The buffer does have a name, but it's not a file name. */
10462 if (fputs("file ", fd) < 0
10463 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10464 return FAIL;
10465 }
10466 #endif
10467 do_cursor = FALSE;
10468 }
10469 }
10470
10471 /*
10472 * Local mappings and abbreviations.
10473 */
10474 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10475 && makemap(fd, wp->w_buffer) == FAIL)
10476 return FAIL;
10477
10478 /*
10479 * Local options. Need to go to the window temporarily.
10480 * Store only local values when using ":mkview" and when ":mksession" is
10481 * used and 'sessionoptions' doesn't include "options".
10482 * Some folding options are always stored when "folds" is included,
10483 * otherwise the folds would not be restored correctly.
10484 */
10485 save_curwin = curwin;
10486 curwin = wp;
10487 curbuf = curwin->w_buffer;
10488 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10489 f = makeset(fd, OPT_LOCAL,
10490 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10491 #ifdef FEAT_FOLDING
10492 else if (*flagp & SSOP_FOLDS)
10493 f = makefoldset(fd);
10494 #endif
10495 else
10496 f = OK;
10497 curwin = save_curwin;
10498 curbuf = curwin->w_buffer;
10499 if (f == FAIL)
10500 return FAIL;
10501
10502 #ifdef FEAT_FOLDING
10503 /*
10504 * Save Folds when 'buftype' is empty and for help files.
10505 */
10506 if ((*flagp & SSOP_FOLDS)
10507 && wp->w_buffer->b_ffname != NULL
10508 # ifdef FEAT_QUICKFIX
10509 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10510 # endif
10511 )
10512 {
10513 if (put_folds(fd, wp) == FAIL)
10514 return FAIL;
10515 }
10516 #endif
10517
10518 /*
10519 * Set the cursor after creating folds, since that moves the cursor.
10520 */
10521 if (do_cursor)
10522 {
10523
10524 /* Restore the cursor line in the file and relatively in the
10525 * window. Don't use "G", it changes the jumplist. */
10526 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10527 (long)wp->w_cursor.lnum,
10528 (long)(wp->w_cursor.lnum - wp->w_topline),
10529 (long)wp->w_height / 2, (long)wp->w_height) < 0
10530 || put_eol(fd) == FAIL
10531 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10532 || put_line(fd, "exe s:l") == FAIL
10533 || put_line(fd, "normal! zt") == FAIL
10534 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10535 || put_eol(fd) == FAIL)
10536 return FAIL;
10537 /* Restore the cursor column and left offset when not wrapping. */
10538 if (wp->w_cursor.col == 0)
10539 {
10540 if (put_line(fd, "normal! 0") == FAIL)
10541 return FAIL;
10542 }
10543 else
10544 {
10545 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10546 {
10547 if (fprintf(fd,
10548 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10549 (long)wp->w_cursor.col,
10550 (long)(wp->w_cursor.col - wp->w_leftcol),
10551 (long)wp->w_width / 2, (long)wp->w_width) < 0
10552 || put_eol(fd) == FAIL
10553 || put_line(fd, "if s:c > 0") == FAIL
10554 || fprintf(fd,
10555 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10556 (long)wp->w_cursor.col) < 0
10557 || put_eol(fd) == FAIL
10558 || put_line(fd, "else") == FAIL
10559 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10560 || put_eol(fd) == FAIL
10561 || put_line(fd, "endif") == FAIL)
10562 return FAIL;
10563 }
10564 else
10565 {
10566 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10567 || put_eol(fd) == FAIL)
10568 return FAIL;
10569 }
10570 }
10571 }
10572
10573 /*
10574 * Local directory.
10575 */
10576 if (wp->w_localdir != NULL)
10577 {
10578 if (fputs("lcd ", fd) < 0
10579 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10580 || put_eol(fd) == FAIL)
10581 return FAIL;
10582 did_lcd = TRUE;
10583 }
10584
10585 return OK;
10586 }
10587
10588 /*
10589 * Write an argument list to the session file.
10590 * Returns FAIL if writing fails.
10591 */
10592 static int
10593 ses_arglist(fd, cmd, gap, fullname, flagp)
10594 FILE *fd;
10595 char *cmd;
10596 garray_T *gap;
10597 int fullname; /* TRUE: use full path name */
10598 unsigned *flagp;
10599 {
10600 int i;
10601 char_u buf[MAXPATHL];
10602 char_u *s;
10603
10604 if (gap->ga_len == 0)
10605 return put_line(fd, "silent! argdel *");
10606 if (fputs(cmd, fd) < 0)
10607 return FAIL;
10608 for (i = 0; i < gap->ga_len; ++i)
10609 {
10610 /* NULL file names are skipped (only happens when out of memory). */
10611 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10612 if (s != NULL)
10613 {
10614 if (fullname)
10615 {
10616 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10617 s = buf;
10618 }
10619 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10620 return FAIL;
10621 }
10622 }
10623 return put_eol(fd);
10624 }
10625
10626 /*
10627 * Write a buffer name to the session file.
10628 * Also ends the line.
10629 * Returns FAIL if writing fails.
10630 */
10631 static int
10632 ses_fname(fd, buf, flagp)
10633 FILE *fd;
10634 buf_T *buf;
10635 unsigned *flagp;
10636 {
10637 char_u *name;
10638
10639 /* Use the short file name if the current directory is known at the time
10640 * the session file will be sourced.
10641 * Don't do this for ":mkview", we don't know the current directory.
10642 * Don't do this after ":lcd", we don't keep track of what the current
10643 * directory is. */
10644 if (buf->b_sfname != NULL
10645 && flagp == &ssop_flags
10646 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10647 #ifdef FEAT_AUTOCHDIR
10648 && !p_acd
10649 #endif
10650 && !did_lcd)
10651 name = buf->b_sfname;
10652 else
10653 name = buf->b_ffname;
10654 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10655 return FAIL;
10656 return OK;
10657 }
10658
10659 /*
10660 * Write a file name to the session file.
10661 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10662 * characters.
10663 * Returns FAIL if writing fails.
10664 */
10665 static int
10666 ses_put_fname(fd, name, flagp)
10667 FILE *fd;
10668 char_u *name;
10669 unsigned *flagp;
10670 {
10671 char_u *sname;
10672 int retval = OK;
10673 int c;
10674
10675 sname = home_replace_save(NULL, name);
10676 if (sname != NULL)
10677 name = sname;
10678 while (*name != NUL)
10679 {
10680 #ifdef FEAT_MBYTE
10681 {
10682 int l;
10683
10684 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10685 {
10686 /* copy a multibyte char */
10687 while (--l >= 0)
10688 {
10689 if (putc(*name, fd) != *name)
10690 retval = FAIL;
10691 ++name;
10692 }
10693 continue;
10694 }
10695 }
10696 #endif
10697 c = *name++;
10698 if (c == '\\' && (*flagp & SSOP_SLASH))
10699 /* change a backslash to a forward slash */
10700 c = '/';
10701 else if ((vim_strchr(escape_chars, c) != NULL
10702 #ifdef BACKSLASH_IN_FILENAME
10703 && c != '\\'
10704 #endif
10705 ) || c == '#' || c == '%')
10706 {
10707 /* escape a special character with a backslash */
10708 if (putc('\\', fd) != '\\')
10709 retval = FAIL;
10710 }
10711 if (putc(c, fd) != c)
10712 retval = FAIL;
10713 }
10714 vim_free(sname);
10715 return retval;
10716 }
10717
10718 /*
10719 * ":loadview [nr]"
10720 */
10721 static void
10722 ex_loadview(eap)
10723 exarg_T *eap;
10724 {
10725 char_u *fname;
10726
10727 fname = get_view_file(*eap->arg);
10728 if (fname != NULL)
10729 {
10730 do_source(fname, FALSE, DOSO_NONE);
10731 vim_free(fname);
10732 }
10733 }
10734
10735 /*
10736 * Get the name of the view file for the current buffer.
10737 */
10738 static char_u *
10739 get_view_file(c)
10740 int c;
10741 {
10742 int len = 0;
10743 char_u *p, *s;
10744 char_u *retval;
10745 char_u *sname;
10746
10747 if (curbuf->b_ffname == NULL)
10748 {
10749 EMSG(_(e_noname));
10750 return NULL;
10751 }
10752 sname = home_replace_save(NULL, curbuf->b_ffname);
10753 if (sname == NULL)
10754 return NULL;
10755
10756 /*
10757 * We want a file name without separators, because we're not going to make
10758 * a directory.
10759 * "normal" path separator -> "=+"
10760 * "=" -> "=="
10761 * ":" path separator -> "=-"
10762 */
10763 for (p = sname; *p; ++p)
10764 if (*p == '=' || vim_ispathsep(*p))
10765 ++len;
10766 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10767 if (retval != NULL)
10768 {
10769 STRCPY(retval, p_vdir);
10770 add_pathsep(retval);
10771 s = retval + STRLEN(retval);
10772 for (p = sname; *p; ++p)
10773 {
10774 if (*p == '=')
10775 {
10776 *s++ = '=';
10777 *s++ = '=';
10778 }
10779 else if (vim_ispathsep(*p))
10780 {
10781 *s++ = '=';
10782 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10783 || defined(VMS)
10784 if (*p == ':')
10785 *s++ = '-';
10786 else
10787 #endif
10788 *s++ = '+';
10789 }
10790 else
10791 *s++ = *p;
10792 }
10793 *s++ = '=';
10794 *s++ = c;
10795 STRCPY(s, ".vim");
10796 }
10797
10798 vim_free(sname);
10799 return retval;
10800 }
10801
10802 #endif /* FEAT_SESSION */
10803
10804 /*
10805 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10806 * Return FAIL for a write error.
10807 */
10808 int
10809 put_eol(fd)
10810 FILE *fd;
10811 {
10812 if (
10813 #ifdef USE_CRNL
10814 (
10815 # ifdef MKSESSION_NL
10816 !mksession_nl &&
10817 # endif
10818 (putc('\r', fd) < 0)) ||
10819 #endif
10820 (putc('\n', fd) < 0))
10821 return FAIL;
10822 return OK;
10823 }
10824
10825 /*
10826 * Write a line to "fd".
10827 * Return FAIL for a write error.
10828 */
10829 int
10830 put_line(fd, s)
10831 FILE *fd;
10832 char *s;
10833 {
10834 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10835 return FAIL;
10836 return OK;
10837 }
10838
10839 #ifdef FEAT_VIMINFO
10840 /*
10841 * ":rviminfo" and ":wviminfo".
10842 */
10843 static void
10844 ex_viminfo(eap)
10845 exarg_T *eap;
10846 {
10847 char_u *save_viminfo;
10848
10849 save_viminfo = p_viminfo;
10850 if (*p_viminfo == NUL)
10851 p_viminfo = (char_u *)"'100";
10852 if (eap->cmdidx == CMD_rviminfo)
10853 {
10854 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10855 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10856 EMSG(_("E195: Cannot open viminfo file for reading"));
10857 }
10858 else
10859 write_viminfo(eap->arg, eap->forceit);
10860 p_viminfo = save_viminfo;
10861 }
10862 #endif
10863
10864 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10865 /*
10866 * Make a dialog message in "buff[IOSIZE]".
10867 * "format" must contain "%s".
10868 */
10869 void
10870 dialog_msg(buff, format, fname)
10871 char_u *buff;
10872 char *format;
10873 char_u *fname;
10874 {
10875 if (fname == NULL)
10876 fname = (char_u *)_("Untitled");
10877 vim_snprintf((char *)buff, IOSIZE, format, fname);
10878 }
10879 #endif
10880
10881 /*
10882 * ":behave {mswin,xterm}"
10883 */
10884 static void
10885 ex_behave(eap)
10886 exarg_T *eap;
10887 {
10888 if (STRCMP(eap->arg, "mswin") == 0)
10889 {
10890 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10891 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10892 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10893 set_option_value((char_u *)"keymodel", 0L,
10894 (char_u *)"startsel,stopsel", 0);
10895 }
10896 else if (STRCMP(eap->arg, "xterm") == 0)
10897 {
10898 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10899 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10900 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10901 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10902 }
10903 else
10904 EMSG2(_(e_invarg2), eap->arg);
10905 }
10906
10907 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
10908 /*
10909 * Function given to ExpandGeneric() to obtain the possible arguments of the
10910 * ":behave {mswin,xterm}" command.
10911 */
10912 char_u *
10913 get_behave_arg(xp, idx)
10914 expand_T *xp UNUSED;
10915 int idx;
10916 {
10917 if (idx == 0)
10918 return (char_u *)"mswin";
10919 if (idx == 1)
10920 return (char_u *)"xterm";
10921 return NULL;
10922 }
10923 #endif
10924
10925 #ifdef FEAT_AUTOCMD
10926 static int filetype_detect = FALSE;
10927 static int filetype_plugin = FALSE;
10928 static int filetype_indent = FALSE;
10929
10930 /*
10931 * ":filetype [plugin] [indent] {on,off,detect}"
10932 * on: Load the filetype.vim file to install autocommands for file types.
10933 * off: Load the ftoff.vim file to remove all autocommands for file types.
10934 * plugin on: load filetype.vim and ftplugin.vim
10935 * plugin off: load ftplugof.vim
10936 * indent on: load filetype.vim and indent.vim
10937 * indent off: load indoff.vim
10938 */
10939 static void
10940 ex_filetype(eap)
10941 exarg_T *eap;
10942 {
10943 char_u *arg = eap->arg;
10944 int plugin = FALSE;
10945 int indent = FALSE;
10946
10947 if (*eap->arg == NUL)
10948 {
10949 /* Print current status. */
10950 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10951 filetype_detect ? "ON" : "OFF",
10952 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10953 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10954 return;
10955 }
10956
10957 /* Accept "plugin" and "indent" in any order. */
10958 for (;;)
10959 {
10960 if (STRNCMP(arg, "plugin", 6) == 0)
10961 {
10962 plugin = TRUE;
10963 arg = skipwhite(arg + 6);
10964 continue;
10965 }
10966 if (STRNCMP(arg, "indent", 6) == 0)
10967 {
10968 indent = TRUE;
10969 arg = skipwhite(arg + 6);
10970 continue;
10971 }
10972 break;
10973 }
10974 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10975 {
10976 if (*arg == 'o' || !filetype_detect)
10977 {
10978 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10979 filetype_detect = TRUE;
10980 if (plugin)
10981 {
10982 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10983 filetype_plugin = TRUE;
10984 }
10985 if (indent)
10986 {
10987 source_runtime((char_u *)INDENT_FILE, TRUE);
10988 filetype_indent = TRUE;
10989 }
10990 }
10991 if (*arg == 'd')
10992 {
10993 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10994 do_modelines(0);
10995 }
10996 }
10997 else if (STRCMP(arg, "off") == 0)
10998 {
10999 if (plugin || indent)
11000 {
11001 if (plugin)
11002 {
11003 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
11004 filetype_plugin = FALSE;
11005 }
11006 if (indent)
11007 {
11008 source_runtime((char_u *)INDOFF_FILE, TRUE);
11009 filetype_indent = FALSE;
11010 }
11011 }
11012 else
11013 {
11014 source_runtime((char_u *)FTOFF_FILE, TRUE);
11015 filetype_detect = FALSE;
11016 }
11017 }
11018 else
11019 EMSG2(_(e_invarg2), arg);
11020 }
11021
11022 /*
11023 * ":setfiletype {name}"
11024 */
11025 static void
11026 ex_setfiletype(eap)
11027 exarg_T *eap;
11028 {
11029 if (!did_filetype)
11030 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
11031 }
11032 #endif
11033
11034 static void
11035 ex_digraphs(eap)
11036 exarg_T *eap UNUSED;
11037 {
11038 #ifdef FEAT_DIGRAPHS
11039 if (*eap->arg != NUL)
11040 putdigraph(eap->arg);
11041 else
11042 listdigraphs();
11043 #else
11044 EMSG(_("E196: No digraphs in this version"));
11045 #endif
11046 }
11047
11048 static void
11049 ex_set(eap)
11050 exarg_T *eap;
11051 {
11052 int flags = 0;
11053
11054 if (eap->cmdidx == CMD_setlocal)
11055 flags = OPT_LOCAL;
11056 else if (eap->cmdidx == CMD_setglobal)
11057 flags = OPT_GLOBAL;
11058 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
11059 if (cmdmod.browse && flags == 0)
11060 ex_options(eap);
11061 else
11062 #endif
11063 (void)do_set(eap->arg, flags);
11064 }
11065
11066 #ifdef FEAT_SEARCH_EXTRA
11067 /*
11068 * ":nohlsearch"
11069 */
11070 static void
11071 ex_nohlsearch(eap)
11072 exarg_T *eap UNUSED;
11073 {
11074 no_hlsearch = TRUE;
11075 redraw_all_later(SOME_VALID);
11076 }
11077
11078 /*
11079 * ":[N]match {group} {pattern}"
11080 * Sets nextcmd to the start of the next command, if any. Also called when
11081 * skipping commands to find the next command.
11082 */
11083 static void
11084 ex_match(eap)
11085 exarg_T *eap;
11086 {
11087 char_u *p;
11088 char_u *g = NULL;
11089 char_u *end;
11090 int c;
11091 int id;
11092
11093 if (eap->line2 <= 3)
11094 id = eap->line2;
11095 else
11096 {
11097 EMSG(e_invcmd);
11098 return;
11099 }
11100
11101 /* First clear any old pattern. */
11102 if (!eap->skip)
11103 match_delete(curwin, id, FALSE);
11104
11105 if (ends_excmd(*eap->arg))
11106 end = eap->arg;
11107 else if ((STRNICMP(eap->arg, "none", 4) == 0
11108 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11109 end = eap->arg + 4;
11110 else
11111 {
11112 p = skiptowhite(eap->arg);
11113 if (!eap->skip)
11114 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11115 p = skipwhite(p);
11116 if (*p == NUL)
11117 {
11118 /* There must be two arguments. */
11119 EMSG2(_(e_invarg2), eap->arg);
11120 return;
11121 }
11122 end = skip_regexp(p + 1, *p, TRUE, NULL);
11123 if (!eap->skip)
11124 {
11125 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11126 {
11127 eap->errmsg = e_trailing;
11128 return;
11129 }
11130 if (*end != *p)
11131 {
11132 EMSG2(_(e_invarg2), p);
11133 return;
11134 }
11135
11136 c = *end;
11137 *end = NUL;
11138 match_add(curwin, g, p + 1, 10, id);
11139 vim_free(g);
11140 *end = c;
11141 }
11142 }
11143 eap->nextcmd = find_nextcmd(end);
11144 }
11145 #endif
11146
11147 #ifdef FEAT_CRYPT
11148 /*
11149 * ":X": Get crypt key
11150 */
11151 static void
11152 ex_X(eap)
11153 exarg_T *eap UNUSED;
11154 {
11155 (void)get_crypt_key(TRUE, TRUE);
11156 }
11157 #endif
11158
11159 #ifdef FEAT_FOLDING
11160 static void
11161 ex_fold(eap)
11162 exarg_T *eap;
11163 {
11164 if (foldManualAllowed(TRUE))
11165 foldCreate(eap->line1, eap->line2);
11166 }
11167
11168 static void
11169 ex_foldopen(eap)
11170 exarg_T *eap;
11171 {
11172 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11173 eap->forceit, FALSE);
11174 }
11175
11176 static void
11177 ex_folddo(eap)
11178 exarg_T *eap;
11179 {
11180 linenr_T lnum;
11181
11182 /* First set the marks for all lines closed/open. */
11183 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11184 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11185 ml_setmarked(lnum);
11186
11187 /* Execute the command on the marked lines. */
11188 global_exe(eap->arg);
11189 ml_clearmarked(); /* clear rest of the marks */
11190 }
11191 #endif
Vim with various extensions