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Merge branch 'vim'
[MacVim.git] / src / ex_docmd.c
blobef15746b1b130cf606360c7bf8e83e6c44f63ad3
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 scid_T uc_scriptID; /* SID where the command was defined */
30 int uc_compl; /* completion type */
31 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
32 char_u *uc_compl_arg; /* completion argument if any */
33 # endif
34 } ucmd_T;
35
36 #define UC_BUFFER 1 /* -buffer: local to current buffer */
37
38 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
39
40 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
41 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
42
43 static void do_ucmd __ARGS((exarg_T *eap));
44 static void ex_command __ARGS((exarg_T *eap));
45 static void ex_delcommand __ARGS((exarg_T *eap));
46 # ifdef FEAT_CMDL_COMPL
47 static char_u *get_user_command_name __ARGS((int idx));
48 # endif
49
50 #else
51 # define ex_command ex_ni
52 # define ex_comclear ex_ni
53 # define ex_delcommand ex_ni
54 #endif
55
56 #ifdef FEAT_EVAL
57 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
58 #else
59 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
60 static int if_level = 0; /* depth in :if */
61 #endif
62 static char_u *find_command __ARGS((exarg_T *eap, int *full));
63
64 static void ex_abbreviate __ARGS((exarg_T *eap));
65 static void ex_map __ARGS((exarg_T *eap));
66 static void ex_unmap __ARGS((exarg_T *eap));
67 static void ex_mapclear __ARGS((exarg_T *eap));
68 static void ex_abclear __ARGS((exarg_T *eap));
69 #ifndef FEAT_MENU
70 # define ex_emenu ex_ni
71 # define ex_menu ex_ni
72 # define ex_menutranslate ex_ni
73 #endif
74 #ifdef FEAT_AUTOCMD
75 static void ex_autocmd __ARGS((exarg_T *eap));
76 static void ex_doautocmd __ARGS((exarg_T *eap));
77 #else
78 # define ex_autocmd ex_ni
79 # define ex_doautocmd ex_ni
80 # define ex_doautoall ex_ni
81 #endif
82 #ifdef FEAT_LISTCMDS
83 static void ex_bunload __ARGS((exarg_T *eap));
84 static void ex_buffer __ARGS((exarg_T *eap));
85 static void ex_bmodified __ARGS((exarg_T *eap));
86 static void ex_bnext __ARGS((exarg_T *eap));
87 static void ex_bprevious __ARGS((exarg_T *eap));
88 static void ex_brewind __ARGS((exarg_T *eap));
89 static void ex_blast __ARGS((exarg_T *eap));
90 #else
91 # define ex_bunload ex_ni
92 # define ex_buffer ex_ni
93 # define ex_bmodified ex_ni
94 # define ex_bnext ex_ni
95 # define ex_bprevious ex_ni
96 # define ex_brewind ex_ni
97 # define ex_blast ex_ni
98 # define buflist_list ex_ni
99 # define ex_checktime ex_ni
100 #endif
101 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
102 # define ex_buffer_all ex_ni
103 #endif
104 static char_u *getargcmd __ARGS((char_u **));
105 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
106 static int getargopt __ARGS((exarg_T *eap));
107 #ifndef FEAT_QUICKFIX
108 # define ex_make ex_ni
109 # define ex_cbuffer ex_ni
110 # define ex_cc ex_ni
111 # define ex_cnext ex_ni
112 # define ex_cfile ex_ni
113 # define qf_list ex_ni
114 # define qf_age ex_ni
115 # define ex_helpgrep ex_ni
116 # define ex_vimgrep ex_ni
117 #endif
118 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
119 # define ex_cclose ex_ni
120 # define ex_copen ex_ni
121 # define ex_cwindow ex_ni
122 #endif
123 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
124 # define ex_cexpr ex_ni
125 #endif
126
127 static int check_more __ARGS((int, int));
128 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
129 static void get_flags __ARGS((exarg_T *eap));
130 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
131 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
215 || defined(FEAT_GUI_MACVIM))
216 static void ex_popup __ARGS((exarg_T *eap));
217 #else
218 # define ex_popup ex_ni
219 #endif
220 #ifndef FEAT_GUI_MSWIN
221 # define ex_simalt ex_ni
222 #endif
223 #if !(defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) || \
224 defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MACVIM))
225 # define gui_mch_find_dialog ex_ni
226 # define gui_mch_replace_dialog ex_ni
227 #endif
228 #if !defined(FEAT_GUI_GTK)
229 # define ex_helpfind ex_ni
230 #endif
231 #ifndef FEAT_CSCOPE
232 # define do_cscope ex_ni
233 # define do_scscope ex_ni
234 # define do_cstag ex_ni
235 #endif
236 #ifndef FEAT_SYN_HL
237 # define ex_syntax ex_ni
238 #endif
239 #ifndef FEAT_SPELL
240 # define ex_spell ex_ni
241 # define ex_mkspell ex_ni
242 # define ex_spelldump ex_ni
243 # define ex_spellinfo ex_ni
244 # define ex_spellrepall ex_ni
245 #endif
246 #ifndef FEAT_MZSCHEME
247 # define ex_mzscheme ex_script_ni
248 # define ex_mzfile ex_ni
249 #endif
250 #ifndef FEAT_PERL
251 # define ex_perl ex_script_ni
252 # define ex_perldo ex_ni
253 #endif
254 #ifndef FEAT_PYTHON
255 # define ex_python ex_script_ni
256 # define ex_pyfile ex_ni
257 #endif
258 #ifndef FEAT_TCL
259 # define ex_tcl ex_script_ni
260 # define ex_tcldo ex_ni
261 # define ex_tclfile ex_ni
262 #endif
263 #ifndef FEAT_RUBY
264 # define ex_ruby ex_script_ni
265 # define ex_rubydo ex_ni
266 # define ex_rubyfile ex_ni
267 #endif
268 #ifndef FEAT_SNIFF
269 # define ex_sniff ex_ni
270 #endif
271 #ifndef FEAT_KEYMAP
272 # define ex_loadkeymap ex_ni
273 #endif
274 static void ex_swapname __ARGS((exarg_T *eap));
275 static void ex_syncbind __ARGS((exarg_T *eap));
276 static void ex_read __ARGS((exarg_T *eap));
277 static void ex_pwd __ARGS((exarg_T *eap));
278 static void ex_equal __ARGS((exarg_T *eap));
279 static void ex_sleep __ARGS((exarg_T *eap));
280 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
281 static void ex_winsize __ARGS((exarg_T *eap));
282 #ifdef FEAT_WINDOWS
283 static void ex_wincmd __ARGS((exarg_T *eap));
284 #else
285 # define ex_wincmd ex_ni
286 #endif
287 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
288 static void ex_winpos __ARGS((exarg_T *eap));
289 #else
290 # define ex_winpos ex_ni
291 #endif
292 static void ex_operators __ARGS((exarg_T *eap));
293 static void ex_put __ARGS((exarg_T *eap));
294 static void ex_copymove __ARGS((exarg_T *eap));
295 static void ex_may_print __ARGS((exarg_T *eap));
296 static void ex_submagic __ARGS((exarg_T *eap));
297 static void ex_join __ARGS((exarg_T *eap));
298 static void ex_at __ARGS((exarg_T *eap));
299 static void ex_bang __ARGS((exarg_T *eap));
300 static void ex_undo __ARGS((exarg_T *eap));
301 static void ex_redo __ARGS((exarg_T *eap));
302 static void ex_later __ARGS((exarg_T *eap));
303 static void ex_redir __ARGS((exarg_T *eap));
304 static void ex_redraw __ARGS((exarg_T *eap));
305 static void ex_redrawstatus __ARGS((exarg_T *eap));
306 static void close_redir __ARGS((void));
307 static void ex_mkrc __ARGS((exarg_T *eap));
308 static void ex_mark __ARGS((exarg_T *eap));
309 #ifdef FEAT_USR_CMDS
310 static char_u *uc_fun_cmd __ARGS((void));
311 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
312 #endif
313 #ifdef FEAT_EX_EXTRA
314 static void ex_normal __ARGS((exarg_T *eap));
315 static void ex_startinsert __ARGS((exarg_T *eap));
316 static void ex_stopinsert __ARGS((exarg_T *eap));
317 #else
318 # define ex_normal ex_ni
319 # define ex_align ex_ni
320 # define ex_retab ex_ni
321 # define ex_startinsert ex_ni
322 # define ex_stopinsert ex_ni
323 # define ex_helptags ex_ni
324 # define ex_sort ex_ni
325 #endif
326 #ifdef FEAT_FIND_ID
327 static void ex_checkpath __ARGS((exarg_T *eap));
328 static void ex_findpat __ARGS((exarg_T *eap));
329 #else
330 # define ex_findpat ex_ni
331 # define ex_checkpath ex_ni
332 #endif
333 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
334 static void ex_psearch __ARGS((exarg_T *eap));
335 #else
336 # define ex_psearch ex_ni
337 #endif
338 static void ex_tag __ARGS((exarg_T *eap));
339 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
340 #ifndef FEAT_EVAL
341 # define ex_scriptnames ex_ni
342 # define ex_finish ex_ni
343 # define ex_echo ex_ni
344 # define ex_echohl ex_ni
345 # define ex_execute ex_ni
346 # define ex_call ex_ni
347 # define ex_if ex_ni
348 # define ex_endif ex_ni
349 # define ex_else ex_ni
350 # define ex_while ex_ni
351 # define ex_for ex_ni
352 # define ex_continue ex_ni
353 # define ex_break ex_ni
354 # define ex_endwhile ex_ni
355 # define ex_endfor ex_ni
356 # define ex_throw ex_ni
357 # define ex_try ex_ni
358 # define ex_catch ex_ni
359 # define ex_finally ex_ni
360 # define ex_endtry ex_ni
361 # define ex_endfunction ex_ni
362 # define ex_let ex_ni
363 # define ex_unlet ex_ni
364 # define ex_lockvar ex_ni
365 # define ex_unlockvar ex_ni
366 # define ex_function ex_ni
367 # define ex_delfunction ex_ni
368 # define ex_return ex_ni
369 # define ex_oldfiles ex_ni
370 #endif
371 static char_u *arg_all __ARGS((void));
372 #ifdef FEAT_SESSION
373 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
374 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
375 static void ex_loadview __ARGS((exarg_T *eap));
376 static char_u *get_view_file __ARGS((int c));
377 static int did_lcd; /* whether ":lcd" was produced for a session */
378 #else
379 # define ex_loadview ex_ni
380 #endif
381 #ifndef FEAT_EVAL
382 # define ex_compiler ex_ni
383 #endif
384 #ifdef FEAT_VIMINFO
385 static void ex_viminfo __ARGS((exarg_T *eap));
386 #else
387 # define ex_viminfo ex_ni
388 #endif
389 static void ex_behave __ARGS((exarg_T *eap));
390 #ifdef FEAT_AUTOCMD
391 static void ex_filetype __ARGS((exarg_T *eap));
392 static void ex_setfiletype __ARGS((exarg_T *eap));
393 #else
394 # define ex_filetype ex_ni
395 # define ex_setfiletype ex_ni
396 #endif
397 #ifndef FEAT_DIFF
398 # define ex_diffoff ex_ni
399 # define ex_diffpatch ex_ni
400 # define ex_diffgetput ex_ni
401 # define ex_diffsplit ex_ni
402 # define ex_diffthis ex_ni
403 # define ex_diffupdate ex_ni
404 #endif
405 static void ex_digraphs __ARGS((exarg_T *eap));
406 static void ex_set __ARGS((exarg_T *eap));
407 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
408 # define ex_options ex_ni
409 #endif
410 #ifdef FEAT_SEARCH_EXTRA
411 static void ex_nohlsearch __ARGS((exarg_T *eap));
412 static void ex_match __ARGS((exarg_T *eap));
413 #else
414 # define ex_nohlsearch ex_ni
415 # define ex_match ex_ni
416 #endif
417 #ifdef FEAT_CRYPT
418 static void ex_X __ARGS((exarg_T *eap));
419 #else
420 # define ex_X ex_ni
421 #endif
422 #ifdef FEAT_FOLDING
423 static void ex_fold __ARGS((exarg_T *eap));
424 static void ex_foldopen __ARGS((exarg_T *eap));
425 static void ex_folddo __ARGS((exarg_T *eap));
426 #else
427 # define ex_fold ex_ni
428 # define ex_foldopen ex_ni
429 # define ex_folddo ex_ni
430 #endif
431 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
432 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
433 # define ex_language ex_ni
434 #endif
435 #ifndef FEAT_SIGNS
436 # define ex_sign ex_ni
437 #endif
438 #ifndef FEAT_SUN_WORKSHOP
439 # define ex_wsverb ex_ni
440 #endif
441 #ifndef FEAT_NETBEANS_INTG
442 # define ex_nbkey ex_ni
443 #endif
444
445 #ifndef FEAT_EVAL
446 # define ex_debug ex_ni
447 # define ex_breakadd ex_ni
448 # define ex_debuggreedy ex_ni
449 # define ex_breakdel ex_ni
450 # define ex_breaklist ex_ni
451 #endif
452
453 #ifndef FEAT_CMDHIST
454 # define ex_history ex_ni
455 #endif
456 #ifndef FEAT_JUMPLIST
457 # define ex_jumps ex_ni
458 # define ex_changes ex_ni
459 #endif
460
461 #ifndef FEAT_PROFILE
462 # define ex_profile ex_ni
463 #endif
464
465 #ifndef FEAT_GUI_MACVIM
466 # define ex_macaction ex_ni
467 # define ex_macmenu ex_ni
468 #endif
469
470 /*
471 * Declare cmdnames[].
472 */
473 #define DO_DECLARE_EXCMD
474 #include "ex_cmds.h"
475
476 /*
477 * Table used to quickly search for a command, based on its first character.
478 */
479 static cmdidx_T cmdidxs[27] =
480 {
481 CMD_append,
482 CMD_buffer,
483 CMD_change,
484 CMD_delete,
485 CMD_edit,
486 CMD_file,
487 CMD_global,
488 CMD_help,
489 CMD_insert,
490 CMD_join,
491 CMD_k,
492 CMD_list,
493 CMD_move,
494 CMD_next,
495 CMD_open,
496 CMD_print,
497 CMD_quit,
498 CMD_read,
499 CMD_substitute,
500 CMD_t,
501 CMD_undo,
502 CMD_vglobal,
503 CMD_write,
504 CMD_xit,
505 CMD_yank,
506 CMD_z,
507 CMD_bang
508 };
509
510 static char_u dollar_command[2] = {'$', 0};
511
512
513 #ifdef FEAT_EVAL
514 /* Struct for storing a line inside a while/for loop */
515 typedef struct
516 {
517 char_u *line; /* command line */
518 linenr_T lnum; /* sourcing_lnum of the line */
519 } wcmd_T;
520
521 /*
522 * Structure used to store info for line position in a while or for loop.
523 * This is required, because do_one_cmd() may invoke ex_function(), which
524 * reads more lines that may come from the while/for loop.
525 */
526 struct loop_cookie
527 {
528 garray_T *lines_gap; /* growarray with line info */
529 int current_line; /* last read line from growarray */
530 int repeating; /* TRUE when looping a second time */
531 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
532 char_u *(*getline) __ARGS((int, void *, int));
533 void *cookie;
534 };
535
536 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
537 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
538 static void free_cmdlines __ARGS((garray_T *gap));
539
540 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
541 struct dbg_stuff
542 {
543 int trylevel;
544 int force_abort;
545 except_T *caught_stack;
546 char_u *vv_exception;
547 char_u *vv_throwpoint;
548 int did_emsg;
549 int got_int;
550 int did_throw;
551 int need_rethrow;
552 int check_cstack;
553 except_T *current_exception;
554 };
555
556 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
557 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
558
559 static void
560 save_dbg_stuff(dsp)
561 struct dbg_stuff *dsp;
562 {
563 dsp->trylevel = trylevel; trylevel = 0;
564 dsp->force_abort = force_abort; force_abort = FALSE;
565 dsp->caught_stack = caught_stack; caught_stack = NULL;
566 dsp->vv_exception = v_exception(NULL);
567 dsp->vv_throwpoint = v_throwpoint(NULL);
568
569 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
570 dsp->did_emsg = did_emsg; did_emsg = FALSE;
571 dsp->got_int = got_int; got_int = FALSE;
572 dsp->did_throw = did_throw; did_throw = FALSE;
573 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
574 dsp->check_cstack = check_cstack; check_cstack = FALSE;
575 dsp->current_exception = current_exception; current_exception = NULL;
576 }
577
578 static void
579 restore_dbg_stuff(dsp)
580 struct dbg_stuff *dsp;
581 {
582 suppress_errthrow = FALSE;
583 trylevel = dsp->trylevel;
584 force_abort = dsp->force_abort;
585 caught_stack = dsp->caught_stack;
586 (void)v_exception(dsp->vv_exception);
587 (void)v_throwpoint(dsp->vv_throwpoint);
588 did_emsg = dsp->did_emsg;
589 got_int = dsp->got_int;
590 did_throw = dsp->did_throw;
591 need_rethrow = dsp->need_rethrow;
592 check_cstack = dsp->check_cstack;
593 current_exception = dsp->current_exception;
594 }
595 #endif
596
597
598 /*
599 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
600 * command is given.
601 */
602 void
603 do_exmode(improved)
604 int improved; /* TRUE for "improved Ex" mode */
605 {
606 int save_msg_scroll;
607 int prev_msg_row;
608 linenr_T prev_line;
609 int changedtick;
610
611 if (improved)
612 exmode_active = EXMODE_VIM;
613 else
614 exmode_active = EXMODE_NORMAL;
615 State = NORMAL;
616
617 /* When using ":global /pat/ visual" and then "Q" we return to continue
618 * the :global command. */
619 if (global_busy)
620 return;
621
622 save_msg_scroll = msg_scroll;
623 ++RedrawingDisabled; /* don't redisplay the window */
624 ++no_wait_return; /* don't wait for return */
625 #ifdef FEAT_GUI
626 /* Ignore scrollbar and mouse events in Ex mode */
627 ++hold_gui_events;
628 #endif
629 #ifdef FEAT_SNIFF
630 want_sniff_request = 0; /* No K_SNIFF wanted */
631 #endif
632
633 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
634 while (exmode_active)
635 {
636 #ifdef FEAT_EX_EXTRA
637 /* Check for a ":normal" command and no more characters left. */
638 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
639 {
640 exmode_active = FALSE;
641 break;
642 }
643 #endif
644 msg_scroll = TRUE;
645 need_wait_return = FALSE;
646 ex_pressedreturn = FALSE;
647 ex_no_reprint = FALSE;
648 changedtick = curbuf->b_changedtick;
649 prev_msg_row = msg_row;
650 prev_line = curwin->w_cursor.lnum;
651 #ifdef FEAT_SNIFF
652 ProcessSniffRequests();
653 #endif
654 if (improved)
655 {
656 cmdline_row = msg_row;
657 do_cmdline(NULL, getexline, NULL, 0);
658 }
659 else
660 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
661 lines_left = Rows - 1;
662
663 if ((prev_line != curwin->w_cursor.lnum
664 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
665 {
666 if (curbuf->b_ml.ml_flags & ML_EMPTY)
667 EMSG(_(e_emptybuf));
668 else
669 {
670 if (ex_pressedreturn)
671 {
672 /* go up one line, to overwrite the ":<CR>" line, so the
673 * output doesn't contain empty lines. */
674 msg_row = prev_msg_row;
675 if (prev_msg_row == Rows - 1)
676 msg_row--;
677 }
678 msg_col = 0;
679 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
680 msg_clr_eos();
681 }
682 }
683 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
684 {
685 if (curbuf->b_ml.ml_flags & ML_EMPTY)
686 EMSG(_(e_emptybuf));
687 else
688 EMSG(_("E501: At end-of-file"));
689 }
690 }
691
692 #ifdef FEAT_GUI
693 --hold_gui_events;
694 #endif
695 --RedrawingDisabled;
696 --no_wait_return;
697 update_screen(CLEAR);
698 need_wait_return = FALSE;
699 msg_scroll = save_msg_scroll;
700 }
701
702 /*
703 * Execute a simple command line. Used for translated commands like "*".
704 */
705 int
706 do_cmdline_cmd(cmd)
707 char_u *cmd;
708 {
709 return do_cmdline(cmd, NULL, NULL,
710 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
711 }
712
713 /*
714 * do_cmdline(): execute one Ex command line
715 *
716 * 1. Execute "cmdline" when it is not NULL.
717 * If "cmdline" is NULL, or more lines are needed, getline() is used.
718 * 2. Split up in parts separated with '|'.
719 *
720 * This function can be called recursively!
721 *
722 * flags:
723 * DOCMD_VERBOSE - The command will be included in the error message.
724 * DOCMD_NOWAIT - Don't call wait_return() and friends.
725 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
726 * DOCMD_KEYTYPED - Don't reset KeyTyped.
727 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
728 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
729 *
730 * return FAIL if cmdline could not be executed, OK otherwise
731 */
732 int
733 do_cmdline(cmdline, getline, cookie, flags)
734 char_u *cmdline;
735 char_u *(*getline) __ARGS((int, void *, int));
736 void *cookie; /* argument for getline() */
737 int flags;
738 {
739 char_u *next_cmdline; /* next cmd to execute */
740 char_u *cmdline_copy = NULL; /* copy of cmd line */
741 int used_getline = FALSE; /* used "getline" to obtain command */
742 static int recursive = 0; /* recursive depth */
743 int msg_didout_before_start = 0;
744 int count = 0; /* line number count */
745 int did_inc = FALSE; /* incremented RedrawingDisabled */
746 int retval = OK;
747 #ifdef FEAT_EVAL
748 struct condstack cstack; /* conditional stack */
749 garray_T lines_ga; /* keep lines for ":while"/":for" */
750 int current_line = 0; /* active line in lines_ga */
751 char_u *fname = NULL; /* function or script name */
752 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
753 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
754 struct dbg_stuff debug_saved; /* saved things for debug mode */
755 int initial_trylevel;
756 struct msglist **saved_msg_list = NULL;
757 struct msglist *private_msg_list;
758
759 /* "getline" and "cookie" passed to do_one_cmd() */
760 char_u *(*cmd_getline) __ARGS((int, void *, int));
761 void *cmd_cookie;
762 struct loop_cookie cmd_loop_cookie;
763 void *real_cookie;
764 int getline_is_func;
765 #else
766 # define cmd_getline getline
767 # define cmd_cookie cookie
768 #endif
769 static int call_depth = 0; /* recursiveness */
770
771 #ifdef FEAT_EVAL
772 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
773 * location for storing error messages to be converted to an exception.
774 * This ensures that the do_errthrow() call in do_one_cmd() does not
775 * combine the messages stored by an earlier invocation of do_one_cmd()
776 * with the command name of the later one. This would happen when
777 * BufWritePost autocommands are executed after a write error. */
778 saved_msg_list = msg_list;
779 msg_list = &private_msg_list;
780 private_msg_list = NULL;
781 #endif
782
783 /* It's possible to create an endless loop with ":execute", catch that
784 * here. The value of 200 allows nested function calls, ":source", etc. */
785 if (call_depth == 200)
786 {
787 EMSG(_("E169: Command too recursive"));
788 #ifdef FEAT_EVAL
789 /* When converting to an exception, we do not include the command name
790 * since this is not an error of the specific command. */
791 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
792 msg_list = saved_msg_list;
793 #endif
794 return FAIL;
795 }
796 ++call_depth;
797
798 #ifdef FEAT_EVAL
799 cstack.cs_idx = -1;
800 cstack.cs_looplevel = 0;
801 cstack.cs_trylevel = 0;
802 cstack.cs_emsg_silent_list = NULL;
803 cstack.cs_lflags = 0;
804 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
805
806 real_cookie = getline_cookie(getline, cookie);
807
808 /* Inside a function use a higher nesting level. */
809 getline_is_func = getline_equal(getline, cookie, get_func_line);
810 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
811 ++ex_nesting_level;
812
813 /* Get the function or script name and the address where the next breakpoint
814 * line and the debug tick for a function or script are stored. */
815 if (getline_is_func)
816 {
817 fname = func_name(real_cookie);
818 breakpoint = func_breakpoint(real_cookie);
819 dbg_tick = func_dbg_tick(real_cookie);
820 }
821 else if (getline_equal(getline, cookie, getsourceline))
822 {
823 fname = sourcing_name;
824 breakpoint = source_breakpoint(real_cookie);
825 dbg_tick = source_dbg_tick(real_cookie);
826 }
827
828 /*
829 * Initialize "force_abort" and "suppress_errthrow" at the top level.
830 */
831 if (!recursive)
832 {
833 force_abort = FALSE;
834 suppress_errthrow = FALSE;
835 }
836
837 /*
838 * If requested, store and reset the global values controlling the
839 * exception handling (used when debugging). Otherwise clear it to avoid
840 * a bogus compiler warning when the optimizer uses inline functions...
841 */
842 if (flags & DOCMD_EXCRESET)
843 save_dbg_stuff(&debug_saved);
844 else
845 memset(&debug_saved, 0, 1);
846
847 initial_trylevel = trylevel;
848
849 /*
850 * "did_throw" will be set to TRUE when an exception is being thrown.
851 */
852 did_throw = FALSE;
853 #endif
854 /*
855 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
856 * cancel the whole command line, and any if/endif or loop.
857 * If force_abort is set, we cancel everything.
858 */
859 did_emsg = FALSE;
860
861 /*
862 * KeyTyped is only set when calling vgetc(). Reset it here when not
863 * calling vgetc() (sourced command lines).
864 */
865 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
866 KeyTyped = FALSE;
867
868 /*
869 * Continue executing command lines:
870 * - when inside an ":if", ":while" or ":for"
871 * - for multiple commands on one line, separated with '|'
872 * - when repeating until there are no more lines (for ":source")
873 */
874 next_cmdline = cmdline;
875 do
876 {
877 #ifdef FEAT_EVAL
878 getline_is_func = getline_equal(getline, cookie, get_func_line);
879 #endif
880
881 /* stop skipping cmds for an error msg after all endif/while/for */
882 if (next_cmdline == NULL
883 #ifdef FEAT_EVAL
884 && !force_abort
885 && cstack.cs_idx < 0
886 && !(getline_is_func && func_has_abort(real_cookie))
887 #endif
888 )
889 did_emsg = FALSE;
890
891 /*
892 * 1. If repeating a line in a loop, get a line from lines_ga.
893 * 2. If no line given: Get an allocated line with getline().
894 * 3. If a line is given: Make a copy, so we can mess with it.
895 */
896
897 #ifdef FEAT_EVAL
898 /* 1. If repeating, get a previous line from lines_ga. */
899 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
900 {
901 /* Each '|' separated command is stored separately in lines_ga, to
902 * be able to jump to it. Don't use next_cmdline now. */
903 vim_free(cmdline_copy);
904 cmdline_copy = NULL;
905
906 /* Check if a function has returned or, unless it has an unclosed
907 * try conditional, aborted. */
908 if (getline_is_func)
909 {
910 # ifdef FEAT_PROFILE
911 if (do_profiling == PROF_YES)
912 func_line_end(real_cookie);
913 # endif
914 if (func_has_ended(real_cookie))
915 {
916 retval = FAIL;
917 break;
918 }
919 }
920 #ifdef FEAT_PROFILE
921 else if (do_profiling == PROF_YES
922 && getline_equal(getline, cookie, getsourceline))
923 script_line_end();
924 #endif
925
926 /* Check if a sourced file hit a ":finish" command. */
927 if (source_finished(getline, cookie))
928 {
929 retval = FAIL;
930 break;
931 }
932
933 /* If breakpoints have been added/deleted need to check for it. */
934 if (breakpoint != NULL && dbg_tick != NULL
935 && *dbg_tick != debug_tick)
936 {
937 *breakpoint = dbg_find_breakpoint(
938 getline_equal(getline, cookie, getsourceline),
939 fname, sourcing_lnum);
940 *dbg_tick = debug_tick;
941 }
942
943 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
944 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
945
946 /* Did we encounter a breakpoint? */
947 if (breakpoint != NULL && *breakpoint != 0
948 && *breakpoint <= sourcing_lnum)
949 {
950 dbg_breakpoint(fname, sourcing_lnum);
951 /* Find next breakpoint. */
952 *breakpoint = dbg_find_breakpoint(
953 getline_equal(getline, cookie, getsourceline),
954 fname, sourcing_lnum);
955 *dbg_tick = debug_tick;
956 }
957 # ifdef FEAT_PROFILE
958 if (do_profiling == PROF_YES)
959 {
960 if (getline_is_func)
961 func_line_start(real_cookie);
962 else if (getline_equal(getline, cookie, getsourceline))
963 script_line_start();
964 }
965 # endif
966 }
967
968 if (cstack.cs_looplevel > 0)
969 {
970 /* Inside a while/for loop we need to store the lines and use them
971 * again. Pass a different "getline" function to do_one_cmd()
972 * below, so that it stores lines in or reads them from
973 * "lines_ga". Makes it possible to define a function inside a
974 * while/for loop. */
975 cmd_getline = get_loop_line;
976 cmd_cookie = (void *)&cmd_loop_cookie;
977 cmd_loop_cookie.lines_gap = &lines_ga;
978 cmd_loop_cookie.current_line = current_line;
979 cmd_loop_cookie.getline = getline;
980 cmd_loop_cookie.cookie = cookie;
981 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
982 }
983 else
984 {
985 cmd_getline = getline;
986 cmd_cookie = cookie;
987 }
988 #endif
989
990 /* 2. If no line given, get an allocated line with getline(). */
991 if (next_cmdline == NULL)
992 {
993 /*
994 * Need to set msg_didout for the first line after an ":if",
995 * otherwise the ":if" will be overwritten.
996 */
997 if (count == 1 && getline_equal(getline, cookie, getexline))
998 msg_didout = TRUE;
999 if (getline == NULL || (next_cmdline = getline(':', cookie,
1000 #ifdef FEAT_EVAL
1001 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1002 #else
1003 0
1004 #endif
1005 )) == NULL)
1006 {
1007 /* Don't call wait_return for aborted command line. The NULL
1008 * returned for the end of a sourced file or executed function
1009 * doesn't do this. */
1010 if (KeyTyped && !(flags & DOCMD_REPEAT))
1011 need_wait_return = FALSE;
1012 retval = FAIL;
1013 break;
1014 }
1015 used_getline = TRUE;
1016
1017 /*
1018 * Keep the first typed line. Clear it when more lines are typed.
1019 */
1020 if (flags & DOCMD_KEEPLINE)
1021 {
1022 vim_free(repeat_cmdline);
1023 if (count == 0)
1024 repeat_cmdline = vim_strsave(next_cmdline);
1025 else
1026 repeat_cmdline = NULL;
1027 }
1028 }
1029
1030 /* 3. Make a copy of the command so we can mess with it. */
1031 else if (cmdline_copy == NULL)
1032 {
1033 next_cmdline = vim_strsave(next_cmdline);
1034 if (next_cmdline == NULL)
1035 {
1036 EMSG(_(e_outofmem));
1037 retval = FAIL;
1038 break;
1039 }
1040 }
1041 cmdline_copy = next_cmdline;
1042
1043 #ifdef FEAT_EVAL
1044 /*
1045 * Save the current line when inside a ":while" or ":for", and when
1046 * the command looks like a ":while" or ":for", because we may need it
1047 * later. When there is a '|' and another command, it is stored
1048 * separately, because we need to be able to jump back to it from an
1049 * :endwhile/:endfor.
1050 */
1051 if (current_line == lines_ga.ga_len
1052 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1053 {
1054 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1055 {
1056 retval = FAIL;
1057 break;
1058 }
1059 }
1060 did_endif = FALSE;
1061 #endif
1062
1063 if (count++ == 0)
1064 {
1065 /*
1066 * All output from the commands is put below each other, without
1067 * waiting for a return. Don't do this when executing commands
1068 * from a script or when being called recursive (e.g. for ":e
1069 * +command file").
1070 */
1071 if (!(flags & DOCMD_NOWAIT) && !recursive)
1072 {
1073 msg_didout_before_start = msg_didout;
1074 msg_didany = FALSE; /* no output yet */
1075 msg_start();
1076 msg_scroll = TRUE; /* put messages below each other */
1077 ++no_wait_return; /* dont wait for return until finished */
1078 ++RedrawingDisabled;
1079 did_inc = TRUE;
1080 }
1081 }
1082
1083 if (p_verbose >= 15 && sourcing_name != NULL)
1084 {
1085 ++no_wait_return;
1086 verbose_enter_scroll();
1087
1088 smsg((char_u *)_("line %ld: %s"),
1089 (long)sourcing_lnum, cmdline_copy);
1090 if (msg_silent == 0)
1091 msg_puts((char_u *)"\n"); /* don't overwrite this */
1092
1093 verbose_leave_scroll();
1094 --no_wait_return;
1095 }
1096
1097 /*
1098 * 2. Execute one '|' separated command.
1099 * do_one_cmd() will return NULL if there is no trailing '|'.
1100 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1101 */
1102 ++recursive;
1103 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1104 #ifdef FEAT_EVAL
1105 &cstack,
1106 #endif
1107 cmd_getline, cmd_cookie);
1108 --recursive;
1109
1110 #ifdef FEAT_EVAL
1111 if (cmd_cookie == (void *)&cmd_loop_cookie)
1112 /* Use "current_line" from "cmd_loop_cookie", it may have been
1113 * incremented when defining a function. */
1114 current_line = cmd_loop_cookie.current_line;
1115 #endif
1116
1117 if (next_cmdline == NULL)
1118 {
1119 vim_free(cmdline_copy);
1120 cmdline_copy = NULL;
1121 #ifdef FEAT_CMDHIST
1122 /*
1123 * If the command was typed, remember it for the ':' register.
1124 * Do this AFTER executing the command to make :@: work.
1125 */
1126 if (getline_equal(getline, cookie, getexline)
1127 && new_last_cmdline != NULL)
1128 {
1129 vim_free(last_cmdline);
1130 last_cmdline = new_last_cmdline;
1131 new_last_cmdline = NULL;
1132 }
1133 #endif
1134 }
1135 else
1136 {
1137 /* need to copy the command after the '|' to cmdline_copy, for the
1138 * next do_one_cmd() */
1139 STRMOVE(cmdline_copy, next_cmdline);
1140 next_cmdline = cmdline_copy;
1141 }
1142
1143
1144 #ifdef FEAT_EVAL
1145 /* reset did_emsg for a function that is not aborted by an error */
1146 if (did_emsg && !force_abort
1147 && getline_equal(getline, cookie, get_func_line)
1148 && !func_has_abort(real_cookie))
1149 did_emsg = FALSE;
1150
1151 if (cstack.cs_looplevel > 0)
1152 {
1153 ++current_line;
1154
1155 /*
1156 * An ":endwhile", ":endfor" and ":continue" is handled here.
1157 * If we were executing commands, jump back to the ":while" or
1158 * ":for".
1159 * If we were not executing commands, decrement cs_looplevel.
1160 */
1161 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1162 {
1163 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1164
1165 /* Jump back to the matching ":while" or ":for". Be careful
1166 * not to use a cs_line[] from an entry that isn't a ":while"
1167 * or ":for": It would make "current_line" invalid and can
1168 * cause a crash. */
1169 if (!did_emsg && !got_int && !did_throw
1170 && cstack.cs_idx >= 0
1171 && (cstack.cs_flags[cstack.cs_idx]
1172 & (CSF_WHILE | CSF_FOR))
1173 && cstack.cs_line[cstack.cs_idx] >= 0
1174 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1175 {
1176 current_line = cstack.cs_line[cstack.cs_idx];
1177 /* remember we jumped there */
1178 cstack.cs_lflags |= CSL_HAD_LOOP;
1179 line_breakcheck(); /* check if CTRL-C typed */
1180
1181 /* Check for the next breakpoint at or after the ":while"
1182 * or ":for". */
1183 if (breakpoint != NULL)
1184 {
1185 *breakpoint = dbg_find_breakpoint(
1186 getline_equal(getline, cookie, getsourceline),
1187 fname,
1188 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1189 *dbg_tick = debug_tick;
1190 }
1191 }
1192 else
1193 {
1194 /* can only get here with ":endwhile" or ":endfor" */
1195 if (cstack.cs_idx >= 0)
1196 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1197 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1198 }
1199 }
1200
1201 /*
1202 * For a ":while" or ":for" we need to remember the line number.
1203 */
1204 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1205 {
1206 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1207 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1208 }
1209 }
1210
1211 /*
1212 * When not inside any ":while" loop, clear remembered lines.
1213 */
1214 if (cstack.cs_looplevel == 0)
1215 {
1216 if (lines_ga.ga_len > 0)
1217 {
1218 sourcing_lnum =
1219 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1220 free_cmdlines(&lines_ga);
1221 }
1222 current_line = 0;
1223 }
1224
1225 /*
1226 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1227 * being restored at the ":endtry". Reset them here and set the
1228 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1229 * This includes the case where a missing ":endif", ":endwhile" or
1230 * ":endfor" was detected by the ":finally" itself.
1231 */
1232 if (cstack.cs_lflags & CSL_HAD_FINA)
1233 {
1234 cstack.cs_lflags &= ~CSL_HAD_FINA;
1235 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1236 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1237 did_throw ? (void *)current_exception : NULL);
1238 did_emsg = got_int = did_throw = FALSE;
1239 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1240 }
1241
1242 /* Update global "trylevel" for recursive calls to do_cmdline() from
1243 * within this loop. */
1244 trylevel = initial_trylevel + cstack.cs_trylevel;
1245
1246 /*
1247 * If the outermost try conditional (across function calls and sourced
1248 * files) is aborted because of an error, an interrupt, or an uncaught
1249 * exception, cancel everything. If it is left normally, reset
1250 * force_abort to get the non-EH compatible abortion behavior for
1251 * the rest of the script.
1252 */
1253 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1254 force_abort = FALSE;
1255
1256 /* Convert an interrupt to an exception if appropriate. */
1257 (void)do_intthrow(&cstack);
1258 #endif /* FEAT_EVAL */
1259
1260 }
1261 /*
1262 * Continue executing command lines when:
1263 * - no CTRL-C typed, no aborting error, no exception thrown or try
1264 * conditionals need to be checked for executing finally clauses or
1265 * catching an interrupt exception
1266 * - didn't get an error message or lines are not typed
1267 * - there is a command after '|', inside a :if, :while, :for or :try, or
1268 * looping for ":source" command or function call.
1269 */
1270 while (!((got_int
1271 #ifdef FEAT_EVAL
1272 || (did_emsg && force_abort) || did_throw
1273 #endif
1274 )
1275 #ifdef FEAT_EVAL
1276 && cstack.cs_trylevel == 0
1277 #endif
1278 )
1279 && !(did_emsg && used_getline
1280 && (getline_equal(getline, cookie, getexmodeline)
1281 || getline_equal(getline, cookie, getexline)))
1282 && (next_cmdline != NULL
1283 #ifdef FEAT_EVAL
1284 || cstack.cs_idx >= 0
1285 #endif
1286 || (flags & DOCMD_REPEAT)));
1287
1288 vim_free(cmdline_copy);
1289 #ifdef FEAT_EVAL
1290 free_cmdlines(&lines_ga);
1291 ga_clear(&lines_ga);
1292
1293 if (cstack.cs_idx >= 0)
1294 {
1295 /*
1296 * If a sourced file or executed function ran to its end, report the
1297 * unclosed conditional.
1298 */
1299 if (!got_int && !did_throw
1300 && ((getline_equal(getline, cookie, getsourceline)
1301 && !source_finished(getline, cookie))
1302 || (getline_equal(getline, cookie, get_func_line)
1303 && !func_has_ended(real_cookie))))
1304 {
1305 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1306 EMSG(_(e_endtry));
1307 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1308 EMSG(_(e_endwhile));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1310 EMSG(_(e_endfor));
1311 else
1312 EMSG(_(e_endif));
1313 }
1314
1315 /*
1316 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1317 * ":endtry" in a sourced file or executed function. If the try
1318 * conditional is in its finally clause, ignore anything pending.
1319 * If it is in a catch clause, finish the caught exception.
1320 * Also cleanup any "cs_forinfo" structures.
1321 */
1322 do
1323 {
1324 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1325
1326 if (idx >= 0)
1327 --idx; /* remove try block not in its finally clause */
1328 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1329 &cstack.cs_looplevel);
1330 }
1331 while (cstack.cs_idx >= 0);
1332 trylevel = initial_trylevel;
1333 }
1334
1335 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1336 * lack was reported above and the error message is to be converted to an
1337 * exception, do this now after rewinding the cstack. */
1338 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1339 ? (char_u *)"endfunction" : (char_u *)NULL);
1340
1341 if (trylevel == 0)
1342 {
1343 /*
1344 * When an exception is being thrown out of the outermost try
1345 * conditional, discard the uncaught exception, disable the conversion
1346 * of interrupts or errors to exceptions, and ensure that no more
1347 * commands are executed.
1348 */
1349 if (did_throw)
1350 {
1351 void *p = NULL;
1352 char_u *saved_sourcing_name;
1353 int saved_sourcing_lnum;
1354 struct msglist *messages = NULL, *next;
1355
1356 /*
1357 * If the uncaught exception is a user exception, report it as an
1358 * error. If it is an error exception, display the saved error
1359 * message now. For an interrupt exception, do nothing; the
1360 * interrupt message is given elsewhere.
1361 */
1362 switch (current_exception->type)
1363 {
1364 case ET_USER:
1365 vim_snprintf((char *)IObuff, IOSIZE,
1366 _("E605: Exception not caught: %s"),
1367 current_exception->value);
1368 p = vim_strsave(IObuff);
1369 break;
1370 case ET_ERROR:
1371 messages = current_exception->messages;
1372 current_exception->messages = NULL;
1373 break;
1374 case ET_INTERRUPT:
1375 break;
1376 default:
1377 p = vim_strsave((char_u *)_(e_internal));
1378 }
1379
1380 saved_sourcing_name = sourcing_name;
1381 saved_sourcing_lnum = sourcing_lnum;
1382 sourcing_name = current_exception->throw_name;
1383 sourcing_lnum = current_exception->throw_lnum;
1384 current_exception->throw_name = NULL;
1385
1386 discard_current_exception(); /* uses IObuff if 'verbose' */
1387 suppress_errthrow = TRUE;
1388 force_abort = TRUE;
1389
1390 if (messages != NULL)
1391 {
1392 do
1393 {
1394 next = messages->next;
1395 emsg(messages->msg);
1396 vim_free(messages->msg);
1397 vim_free(messages);
1398 messages = next;
1399 }
1400 while (messages != NULL);
1401 }
1402 else if (p != NULL)
1403 {
1404 emsg(p);
1405 vim_free(p);
1406 }
1407 vim_free(sourcing_name);
1408 sourcing_name = saved_sourcing_name;
1409 sourcing_lnum = saved_sourcing_lnum;
1410 }
1411
1412 /*
1413 * On an interrupt or an aborting error not converted to an exception,
1414 * disable the conversion of errors to exceptions. (Interrupts are not
1415 * converted any more, here.) This enables also the interrupt message
1416 * when force_abort is set and did_emsg unset in case of an interrupt
1417 * from a finally clause after an error.
1418 */
1419 else if (got_int || (did_emsg && force_abort))
1420 suppress_errthrow = TRUE;
1421 }
1422
1423 /*
1424 * The current cstack will be freed when do_cmdline() returns. An uncaught
1425 * exception will have to be rethrown in the previous cstack. If a function
1426 * has just returned or a script file was just finished and the previous
1427 * cstack belongs to the same function or, respectively, script file, it
1428 * will have to be checked for finally clauses to be executed due to the
1429 * ":return" or ":finish". This is done in do_one_cmd().
1430 */
1431 if (did_throw)
1432 need_rethrow = TRUE;
1433 if ((getline_equal(getline, cookie, getsourceline)
1434 && ex_nesting_level > source_level(real_cookie))
1435 || (getline_equal(getline, cookie, get_func_line)
1436 && ex_nesting_level > func_level(real_cookie) + 1))
1437 {
1438 if (!did_throw)
1439 check_cstack = TRUE;
1440 }
1441 else
1442 {
1443 /* When leaving a function, reduce nesting level. */
1444 if (getline_equal(getline, cookie, get_func_line))
1445 --ex_nesting_level;
1446 /*
1447 * Go to debug mode when returning from a function in which we are
1448 * single-stepping.
1449 */
1450 if ((getline_equal(getline, cookie, getsourceline)
1451 || getline_equal(getline, cookie, get_func_line))
1452 && ex_nesting_level + 1 <= debug_break_level)
1453 do_debug(getline_equal(getline, cookie, getsourceline)
1454 ? (char_u *)_("End of sourced file")
1455 : (char_u *)_("End of function"));
1456 }
1457
1458 /*
1459 * Restore the exception environment (done after returning from the
1460 * debugger).
1461 */
1462 if (flags & DOCMD_EXCRESET)
1463 restore_dbg_stuff(&debug_saved);
1464
1465 msg_list = saved_msg_list;
1466 #endif /* FEAT_EVAL */
1467
1468 /*
1469 * If there was too much output to fit on the command line, ask the user to
1470 * hit return before redrawing the screen. With the ":global" command we do
1471 * this only once after the command is finished.
1472 */
1473 if (did_inc)
1474 {
1475 --RedrawingDisabled;
1476 --no_wait_return;
1477 msg_scroll = FALSE;
1478
1479 /*
1480 * When just finished an ":if"-":else" which was typed, no need to
1481 * wait for hit-return. Also for an error situation.
1482 */
1483 if (retval == FAIL
1484 #ifdef FEAT_EVAL
1485 || (did_endif && KeyTyped && !did_emsg)
1486 #endif
1487 )
1488 {
1489 need_wait_return = FALSE;
1490 msg_didany = FALSE; /* don't wait when restarting edit */
1491 }
1492 else if (need_wait_return)
1493 {
1494 /*
1495 * The msg_start() above clears msg_didout. The wait_return we do
1496 * here should not overwrite the command that may be shown before
1497 * doing that.
1498 */
1499 msg_didout |= msg_didout_before_start;
1500 wait_return(FALSE);
1501 }
1502 }
1503
1504 #ifndef FEAT_EVAL
1505 /*
1506 * Reset if_level, in case a sourced script file contains more ":if" than
1507 * ":endif" (could be ":if x | foo | endif").
1508 */
1509 if_level = 0;
1510 #endif
1511
1512 --call_depth;
1513 return retval;
1514 }
1515
1516 #ifdef FEAT_EVAL
1517 /*
1518 * Obtain a line when inside a ":while" or ":for" loop.
1519 */
1520 static char_u *
1521 get_loop_line(c, cookie, indent)
1522 int c;
1523 void *cookie;
1524 int indent;
1525 {
1526 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1527 wcmd_T *wp;
1528 char_u *line;
1529
1530 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1531 {
1532 if (cp->repeating)
1533 return NULL; /* trying to read past ":endwhile"/":endfor" */
1534
1535 /* First time inside the ":while"/":for": get line normally. */
1536 if (cp->getline == NULL)
1537 line = getcmdline(c, 0L, indent);
1538 else
1539 line = cp->getline(c, cp->cookie, indent);
1540 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1541 ++cp->current_line;
1542
1543 return line;
1544 }
1545
1546 KeyTyped = FALSE;
1547 ++cp->current_line;
1548 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1549 sourcing_lnum = wp->lnum;
1550 return vim_strsave(wp->line);
1551 }
1552
1553 /*
1554 * Store a line in "gap" so that a ":while" loop can execute it again.
1555 */
1556 static int
1557 store_loop_line(gap, line)
1558 garray_T *gap;
1559 char_u *line;
1560 {
1561 if (ga_grow(gap, 1) == FAIL)
1562 return FAIL;
1563 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1564 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1565 ++gap->ga_len;
1566 return OK;
1567 }
1568
1569 /*
1570 * Free the lines stored for a ":while" or ":for" loop.
1571 */
1572 static void
1573 free_cmdlines(gap)
1574 garray_T *gap;
1575 {
1576 while (gap->ga_len > 0)
1577 {
1578 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1579 --gap->ga_len;
1580 }
1581 }
1582 #endif
1583
1584 /*
1585 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1586 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1587 */
1588 /*ARGSUSED*/
1589 int
1590 getline_equal(fgetline, cookie, func)
1591 char_u *(*fgetline) __ARGS((int, void *, int));
1592 void *cookie; /* argument for fgetline() */
1593 char_u *(*func) __ARGS((int, void *, int));
1594 {
1595 #ifdef FEAT_EVAL
1596 char_u *(*gp) __ARGS((int, void *, int));
1597 struct loop_cookie *cp;
1598
1599 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1600 * function that's originally used to obtain the lines. This may be
1601 * nested several levels. */
1602 gp = fgetline;
1603 cp = (struct loop_cookie *)cookie;
1604 while (gp == get_loop_line)
1605 {
1606 gp = cp->getline;
1607 cp = cp->cookie;
1608 }
1609 return gp == func;
1610 #else
1611 return fgetline == func;
1612 #endif
1613 }
1614
1615 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1616 /*
1617 * If "fgetline" is get_loop_line(), return the cookie used by the original
1618 * getline function. Otherwise return "cookie".
1619 */
1620 /*ARGSUSED*/
1621 void *
1622 getline_cookie(fgetline, cookie)
1623 char_u *(*fgetline) __ARGS((int, void *, int));
1624 void *cookie; /* argument for fgetline() */
1625 {
1626 # ifdef FEAT_EVAL
1627 char_u *(*gp) __ARGS((int, void *, int));
1628 struct loop_cookie *cp;
1629
1630 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1631 * cookie that's originally used to obtain the lines. This may be nested
1632 * several levels. */
1633 gp = fgetline;
1634 cp = (struct loop_cookie *)cookie;
1635 while (gp == get_loop_line)
1636 {
1637 gp = cp->getline;
1638 cp = cp->cookie;
1639 }
1640 return cp;
1641 # else
1642 return cookie;
1643 # endif
1644 }
1645 #endif
1646
1647 /*
1648 * Execute one Ex command.
1649 *
1650 * If 'sourcing' is TRUE, the command will be included in the error message.
1651 *
1652 * 1. skip comment lines and leading space
1653 * 2. handle command modifiers
1654 * 3. parse range
1655 * 4. parse command
1656 * 5. parse arguments
1657 * 6. switch on command name
1658 *
1659 * Note: "fgetline" can be NULL.
1660 *
1661 * This function may be called recursively!
1662 */
1663 #if (_MSC_VER == 1200)
1664 /*
1665 * Avoid optimisation bug in VC++ version 6.0
1666 */
1667 #pragma optimize( "g", off )
1668 #endif
1669 static char_u *
1670 do_one_cmd(cmdlinep, sourcing,
1671 #ifdef FEAT_EVAL
1672 cstack,
1673 #endif
1674 fgetline, cookie)
1675 char_u **cmdlinep;
1676 int sourcing;
1677 #ifdef FEAT_EVAL
1678 struct condstack *cstack;
1679 #endif
1680 char_u *(*fgetline) __ARGS((int, void *, int));
1681 void *cookie; /* argument for fgetline() */
1682 {
1683 char_u *p;
1684 linenr_T lnum;
1685 long n;
1686 char_u *errormsg = NULL; /* error message */
1687 exarg_T ea; /* Ex command arguments */
1688 long verbose_save = -1;
1689 int save_msg_scroll = 0;
1690 int did_silent = 0;
1691 int did_esilent = 0;
1692 #ifdef HAVE_SANDBOX
1693 int did_sandbox = FALSE;
1694 #endif
1695 cmdmod_T save_cmdmod;
1696 int ni; /* set when Not Implemented */
1697
1698 vim_memset(&ea, 0, sizeof(ea));
1699 ea.line1 = 1;
1700 ea.line2 = 1;
1701 #ifdef FEAT_EVAL
1702 ++ex_nesting_level;
1703 #endif
1704
1705 /* when not editing the last file :q has to be typed twice */
1706 if (quitmore
1707 #ifdef FEAT_EVAL
1708 /* avoid that a function call in 'statusline' does this */
1709 && !getline_equal(fgetline, cookie, get_func_line)
1710 #endif
1711 )
1712 --quitmore;
1713
1714 /*
1715 * Reset browse, confirm, etc.. They are restored when returning, for
1716 * recursive calls.
1717 */
1718 save_cmdmod = cmdmod;
1719 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1720
1721 /* "#!anything" is handled like a comment. */
1722 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1723 goto doend;
1724
1725 /*
1726 * Repeat until no more command modifiers are found.
1727 */
1728 ea.cmd = *cmdlinep;
1729 for (;;)
1730 {
1731 /*
1732 * 1. skip comment lines and leading white space and colons
1733 */
1734 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1735 ++ea.cmd;
1736
1737 /* in ex mode, an empty line works like :+ */
1738 if (*ea.cmd == NUL && exmode_active
1739 && (getline_equal(fgetline, cookie, getexmodeline)
1740 || getline_equal(fgetline, cookie, getexline))
1741 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1742 {
1743 ea.cmd = (char_u *)"+";
1744 ex_pressedreturn = TRUE;
1745 }
1746
1747 /* ignore comment and empty lines */
1748 if (*ea.cmd == '"')
1749 goto doend;
1750 if (*ea.cmd == NUL)
1751 {
1752 ex_pressedreturn = TRUE;
1753 goto doend;
1754 }
1755
1756 /*
1757 * 2. handle command modifiers.
1758 */
1759 p = ea.cmd;
1760 if (VIM_ISDIGIT(*ea.cmd))
1761 p = skipwhite(skipdigits(ea.cmd));
1762 switch (*p)
1763 {
1764 /* When adding an entry, also modify cmd_exists(). */
1765 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1766 break;
1767 #ifdef FEAT_WINDOWS
1768 cmdmod.split |= WSP_ABOVE;
1769 #endif
1770 continue;
1771
1772 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1773 {
1774 #ifdef FEAT_WINDOWS
1775 cmdmod.split |= WSP_BELOW;
1776 #endif
1777 continue;
1778 }
1779 if (checkforcmd(&ea.cmd, "browse", 3))
1780 {
1781 #ifdef FEAT_BROWSE_CMD
1782 cmdmod.browse = TRUE;
1783 #endif
1784 continue;
1785 }
1786 if (!checkforcmd(&ea.cmd, "botright", 2))
1787 break;
1788 #ifdef FEAT_WINDOWS
1789 cmdmod.split |= WSP_BOT;
1790 #endif
1791 continue;
1792
1793 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1794 break;
1795 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1796 cmdmod.confirm = TRUE;
1797 #endif
1798 continue;
1799
1800 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1801 {
1802 cmdmod.keepmarks = TRUE;
1803 continue;
1804 }
1805 if (checkforcmd(&ea.cmd, "keepalt", 5))
1806 {
1807 cmdmod.keepalt = TRUE;
1808 continue;
1809 }
1810 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1811 break;
1812 cmdmod.keepjumps = TRUE;
1813 continue;
1814
1815 /* ":hide" and ":hide | cmd" are not modifiers */
1816 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1817 || *p == NUL || ends_excmd(*p))
1818 break;
1819 ea.cmd = p;
1820 cmdmod.hide = TRUE;
1821 continue;
1822
1823 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1824 {
1825 cmdmod.lockmarks = TRUE;
1826 continue;
1827 }
1828
1829 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1830 break;
1831 #ifdef FEAT_WINDOWS
1832 cmdmod.split |= WSP_ABOVE;
1833 #endif
1834 continue;
1835
1836 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1837 break;
1838 #ifdef FEAT_AUTOCMD
1839 if (cmdmod.save_ei == NULL)
1840 {
1841 /* Set 'eventignore' to "all". Restore the
1842 * existing option value later. */
1843 cmdmod.save_ei = vim_strsave(p_ei);
1844 set_string_option_direct((char_u *)"ei", -1,
1845 (char_u *)"all", OPT_FREE, SID_NONE);
1846 }
1847 #endif
1848 continue;
1849
1850 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1851 break;
1852 #ifdef FEAT_WINDOWS
1853 cmdmod.split |= WSP_BELOW;
1854 #endif
1855 continue;
1856
1857 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1858 {
1859 #ifdef HAVE_SANDBOX
1860 if (!did_sandbox)
1861 ++sandbox;
1862 did_sandbox = TRUE;
1863 #endif
1864 continue;
1865 }
1866 if (!checkforcmd(&ea.cmd, "silent", 3))
1867 break;
1868 ++did_silent;
1869 ++msg_silent;
1870 save_msg_scroll = msg_scroll;
1871 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1872 {
1873 /* ":silent!", but not "silent !cmd" */
1874 ea.cmd = skipwhite(ea.cmd + 1);
1875 ++emsg_silent;
1876 ++did_esilent;
1877 }
1878 continue;
1879
1880 case 't': if (checkforcmd(&p, "tab", 3))
1881 {
1882 #ifdef FEAT_WINDOWS
1883 if (vim_isdigit(*ea.cmd))
1884 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1885 else
1886 cmdmod.tab = tabpage_index(curtab) + 1;
1887 ea.cmd = p;
1888 #endif
1889 continue;
1890 }
1891 if (!checkforcmd(&ea.cmd, "topleft", 2))
1892 break;
1893 #ifdef FEAT_WINDOWS
1894 cmdmod.split |= WSP_TOP;
1895 #endif
1896 continue;
1897
1898 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1899 {
1900 #ifdef FEAT_VERTSPLIT
1901 cmdmod.split |= WSP_VERT;
1902 #endif
1903 continue;
1904 }
1905 if (!checkforcmd(&p, "verbose", 4))
1906 break;
1907 if (verbose_save < 0)
1908 verbose_save = p_verbose;
1909 if (vim_isdigit(*ea.cmd))
1910 p_verbose = atoi((char *)ea.cmd);
1911 else
1912 p_verbose = 1;
1913 ea.cmd = p;
1914 continue;
1915 }
1916 break;
1917 }
1918
1919 #ifdef FEAT_EVAL
1920 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1921 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1922 #else
1923 ea.skip = (if_level > 0);
1924 #endif
1925
1926 #ifdef FEAT_EVAL
1927 # ifdef FEAT_PROFILE
1928 /* Count this line for profiling if ea.skip is FALSE. */
1929 if (do_profiling == PROF_YES && !ea.skip)
1930 {
1931 if (getline_equal(fgetline, cookie, get_func_line))
1932 func_line_exec(getline_cookie(fgetline, cookie));
1933 else if (getline_equal(fgetline, cookie, getsourceline))
1934 script_line_exec();
1935 }
1936 #endif
1937
1938 /* May go to debug mode. If this happens and the ">quit" debug command is
1939 * used, throw an interrupt exception and skip the next command. */
1940 dbg_check_breakpoint(&ea);
1941 if (!ea.skip && got_int)
1942 {
1943 ea.skip = TRUE;
1944 (void)do_intthrow(cstack);
1945 }
1946 #endif
1947
1948 /*
1949 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1950 *
1951 * where 'addr' is:
1952 *
1953 * % (entire file)
1954 * $ [+-NUM]
1955 * 'x [+-NUM] (where x denotes a currently defined mark)
1956 * . [+-NUM]
1957 * [+-NUM]..
1958 * NUM
1959 *
1960 * The ea.cmd pointer is updated to point to the first character following the
1961 * range spec. If an initial address is found, but no second, the upper bound
1962 * is equal to the lower.
1963 */
1964
1965 /* repeat for all ',' or ';' separated addresses */
1966 for (;;)
1967 {
1968 ea.line1 = ea.line2;
1969 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1970 ea.cmd = skipwhite(ea.cmd);
1971 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1972 if (ea.cmd == NULL) /* error detected */
1973 goto doend;
1974 if (lnum == MAXLNUM)
1975 {
1976 if (*ea.cmd == '%') /* '%' - all lines */
1977 {
1978 ++ea.cmd;
1979 ea.line1 = 1;
1980 ea.line2 = curbuf->b_ml.ml_line_count;
1981 ++ea.addr_count;
1982 }
1983 /* '*' - visual area */
1984 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1985 {
1986 pos_T *fp;
1987
1988 ++ea.cmd;
1989 if (!ea.skip)
1990 {
1991 fp = getmark('<', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line1 = fp->lnum;
1995 fp = getmark('>', FALSE);
1996 if (check_mark(fp) == FAIL)
1997 goto doend;
1998 ea.line2 = fp->lnum;
1999 ++ea.addr_count;
2000 }
2001 }
2002 }
2003 else
2004 ea.line2 = lnum;
2005 ea.addr_count++;
2006
2007 if (*ea.cmd == ';')
2008 {
2009 if (!ea.skip)
2010 curwin->w_cursor.lnum = ea.line2;
2011 }
2012 else if (*ea.cmd != ',')
2013 break;
2014 ++ea.cmd;
2015 }
2016
2017 /* One address given: set start and end lines */
2018 if (ea.addr_count == 1)
2019 {
2020 ea.line1 = ea.line2;
2021 /* ... but only implicit: really no address given */
2022 if (lnum == MAXLNUM)
2023 ea.addr_count = 0;
2024 }
2025
2026 /* Don't leave the cursor on an illegal line (caused by ';') */
2027 check_cursor_lnum();
2028
2029 /*
2030 * 4. parse command
2031 */
2032
2033 /*
2034 * Skip ':' and any white space
2035 */
2036 ea.cmd = skipwhite(ea.cmd);
2037 while (*ea.cmd == ':')
2038 ea.cmd = skipwhite(ea.cmd + 1);
2039
2040 /*
2041 * If we got a line, but no command, then go to the line.
2042 * If we find a '|' or '\n' we set ea.nextcmd.
2043 */
2044 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2045 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2046 {
2047 /*
2048 * strange vi behaviour:
2049 * ":3" jumps to line 3
2050 * ":3|..." prints line 3
2051 * ":|" prints current line
2052 */
2053 if (ea.skip) /* skip this if inside :if */
2054 goto doend;
2055 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2056 {
2057 ea.cmdidx = CMD_print;
2058 ea.argt = RANGE+COUNT+TRLBAR;
2059 if ((errormsg = invalid_range(&ea)) == NULL)
2060 {
2061 correct_range(&ea);
2062 ex_print(&ea);
2063 }
2064 }
2065 else if (ea.addr_count != 0)
2066 {
2067 if (ea.line2 > curbuf->b_ml.ml_line_count)
2068 {
2069 /* With '-' in 'cpoptions' a line number past the file is an
2070 * error, otherwise put it at the end of the file. */
2071 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2072 ea.line2 = -1;
2073 else
2074 ea.line2 = curbuf->b_ml.ml_line_count;
2075 }
2076
2077 if (ea.line2 < 0)
2078 errormsg = (char_u *)_(e_invrange);
2079 else
2080 {
2081 if (ea.line2 == 0)
2082 curwin->w_cursor.lnum = 1;
2083 else
2084 curwin->w_cursor.lnum = ea.line2;
2085 beginline(BL_SOL | BL_FIX);
2086 }
2087 }
2088 goto doend;
2089 }
2090
2091 /* Find the command and let "p" point to after it. */
2092 p = find_command(&ea, NULL);
2093
2094 #ifdef FEAT_USR_CMDS
2095 if (p == NULL)
2096 {
2097 if (!ea.skip)
2098 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2099 goto doend;
2100 }
2101 /* Check for wrong commands. */
2102 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2103 {
2104 errormsg = uc_fun_cmd();
2105 goto doend;
2106 }
2107 #endif
2108 if (ea.cmdidx == CMD_SIZE)
2109 {
2110 if (!ea.skip)
2111 {
2112 STRCPY(IObuff, _("E492: Not an editor command"));
2113 if (!sourcing)
2114 {
2115 STRCAT(IObuff, ": ");
2116 STRNCAT(IObuff, *cmdlinep, 40);
2117 }
2118 errormsg = IObuff;
2119 }
2120 goto doend;
2121 }
2122
2123 ni = (
2124 #ifdef FEAT_USR_CMDS
2125 !USER_CMDIDX(ea.cmdidx) &&
2126 #endif
2127 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2128 #ifdef HAVE_EX_SCRIPT_NI
2129 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2130 #endif
2131 ));
2132
2133 #ifndef FEAT_EVAL
2134 /*
2135 * When the expression evaluation is disabled, recognize the ":if" and
2136 * ":endif" commands and ignore everything in between it.
2137 */
2138 if (ea.cmdidx == CMD_if)
2139 ++if_level;
2140 if (if_level)
2141 {
2142 if (ea.cmdidx == CMD_endif)
2143 --if_level;
2144 goto doend;
2145 }
2146
2147 #endif
2148
2149 /* forced commands */
2150 if (*p == '!' && ea.cmdidx != CMD_substitute
2151 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2152 {
2153 ++p;
2154 ea.forceit = TRUE;
2155 }
2156 else
2157 ea.forceit = FALSE;
2158
2159 /*
2160 * 5. parse arguments
2161 */
2162 #ifdef FEAT_USR_CMDS
2163 if (!USER_CMDIDX(ea.cmdidx))
2164 #endif
2165 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2166
2167 if (!ea.skip)
2168 {
2169 #ifdef HAVE_SANDBOX
2170 if (sandbox != 0 && !(ea.argt & SBOXOK))
2171 {
2172 /* Command not allowed in sandbox. */
2173 errormsg = (char_u *)_(e_sandbox);
2174 goto doend;
2175 }
2176 #endif
2177 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2178 {
2179 /* Command not allowed in non-'modifiable' buffer */
2180 errormsg = (char_u *)_(e_modifiable);
2181 goto doend;
2182 }
2183
2184 if (text_locked() && !(ea.argt & CMDWIN)
2185 # ifdef FEAT_USR_CMDS
2186 && !USER_CMDIDX(ea.cmdidx)
2187 # endif
2188 )
2189 {
2190 /* Command not allowed when editing the command line. */
2191 #ifdef FEAT_CMDWIN
2192 if (cmdwin_type != 0)
2193 errormsg = (char_u *)_(e_cmdwin);
2194 else
2195 #endif
2196 errormsg = (char_u *)_(e_secure);
2197 goto doend;
2198 }
2199 #ifdef FEAT_AUTOCMD
2200 /* Disallow editing another buffer when "curbuf_lock" is set.
2201 * Do allow ":edit" (check for argument later).
2202 * Do allow ":checktime" (it's postponed). */
2203 if (!(ea.argt & CMDWIN)
2204 && ea.cmdidx != CMD_edit
2205 && ea.cmdidx != CMD_checktime
2206 # ifdef FEAT_USR_CMDS
2207 && !USER_CMDIDX(ea.cmdidx)
2208 # endif
2209 && curbuf_locked())
2210 goto doend;
2211 #endif
2212
2213 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2214 {
2215 /* no range allowed */
2216 errormsg = (char_u *)_(e_norange);
2217 goto doend;
2218 }
2219 }
2220
2221 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2222 {
2223 errormsg = (char_u *)_(e_nobang);
2224 goto doend;
2225 }
2226
2227 /*
2228 * Don't complain about the range if it is not used
2229 * (could happen if line_count is accidentally set to 0).
2230 */
2231 if (!ea.skip && !ni)
2232 {
2233 /*
2234 * If the range is backwards, ask for confirmation and, if given, swap
2235 * ea.line1 & ea.line2 so it's forwards again.
2236 * When global command is busy, don't ask, will fail below.
2237 */
2238 if (!global_busy && ea.line1 > ea.line2)
2239 {
2240 if (msg_silent == 0)
2241 {
2242 if (sourcing || exmode_active)
2243 {
2244 errormsg = (char_u *)_("E493: Backwards range given");
2245 goto doend;
2246 }
2247 if (ask_yesno((char_u *)
2248 _("Backwards range given, OK to swap"), FALSE) != 'y')
2249 goto doend;
2250 }
2251 lnum = ea.line1;
2252 ea.line1 = ea.line2;
2253 ea.line2 = lnum;
2254 }
2255 if ((errormsg = invalid_range(&ea)) != NULL)
2256 goto doend;
2257 }
2258
2259 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2260 ea.line2 = 1;
2261
2262 correct_range(&ea);
2263
2264 #ifdef FEAT_FOLDING
2265 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2266 {
2267 /* Put the first line at the start of a closed fold, put the last line
2268 * at the end of a closed fold. */
2269 (void)hasFolding(ea.line1, &ea.line1, NULL);
2270 (void)hasFolding(ea.line2, NULL, &ea.line2);
2271 }
2272 #endif
2273
2274 #ifdef FEAT_QUICKFIX
2275 /*
2276 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2277 * option here, so things like % get expanded.
2278 */
2279 p = replace_makeprg(&ea, p, cmdlinep);
2280 if (p == NULL)
2281 goto doend;
2282 #endif
2283
2284 /*
2285 * Skip to start of argument.
2286 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2287 */
2288 if (ea.cmdidx == CMD_bang)
2289 ea.arg = p;
2290 else
2291 ea.arg = skipwhite(p);
2292
2293 /*
2294 * Check for "++opt=val" argument.
2295 * Must be first, allow ":w ++enc=utf8 !cmd"
2296 */
2297 if (ea.argt & ARGOPT)
2298 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2299 if (getargopt(&ea) == FAIL && !ni)
2300 {
2301 errormsg = (char_u *)_(e_invarg);
2302 goto doend;
2303 }
2304
2305 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2306 {
2307 if (*ea.arg == '>') /* append */
2308 {
2309 if (*++ea.arg != '>') /* typed wrong */
2310 {
2311 errormsg = (char_u *)_("E494: Use w or w>>");
2312 goto doend;
2313 }
2314 ea.arg = skipwhite(ea.arg + 1);
2315 ea.append = TRUE;
2316 }
2317 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2318 {
2319 ++ea.arg;
2320 ea.usefilter = TRUE;
2321 }
2322 }
2323
2324 if (ea.cmdidx == CMD_read)
2325 {
2326 if (ea.forceit)
2327 {
2328 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2329 ea.forceit = FALSE;
2330 }
2331 else if (*ea.arg == '!') /* :r !filter */
2332 {
2333 ++ea.arg;
2334 ea.usefilter = TRUE;
2335 }
2336 }
2337
2338 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2339 {
2340 ea.amount = 1;
2341 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2342 {
2343 ++ea.arg;
2344 ++ea.amount;
2345 }
2346 ea.arg = skipwhite(ea.arg);
2347 }
2348
2349 /*
2350 * Check for "+command" argument, before checking for next command.
2351 * Don't do this for ":read !cmd" and ":write !cmd".
2352 */
2353 if ((ea.argt & EDITCMD) && !ea.usefilter)
2354 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2355
2356 /*
2357 * Check for '|' to separate commands and '"' to start comments.
2358 * Don't do this for ":read !cmd" and ":write !cmd".
2359 */
2360 if ((ea.argt & TRLBAR) && !ea.usefilter)
2361 separate_nextcmd(&ea);
2362
2363 /*
2364 * Check for <newline> to end a shell command.
2365 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2366 * Any others?
2367 */
2368 else if (ea.cmdidx == CMD_bang
2369 || ea.cmdidx == CMD_global
2370 || ea.cmdidx == CMD_vglobal
2371 || ea.usefilter)
2372 {
2373 for (p = ea.arg; *p; ++p)
2374 {
2375 /* Remove one backslash before a newline, so that it's possible to
2376 * pass a newline to the shell and also a newline that is preceded
2377 * with a backslash. This makes it impossible to end a shell
2378 * command in a backslash, but that doesn't appear useful.
2379 * Halving the number of backslashes is incompatible with previous
2380 * versions. */
2381 if (*p == '\\' && p[1] == '\n')
2382 STRMOVE(p, p + 1);
2383 else if (*p == '\n')
2384 {
2385 ea.nextcmd = p + 1;
2386 *p = NUL;
2387 break;
2388 }
2389 }
2390 }
2391
2392 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2393 {
2394 ea.line1 = 1;
2395 ea.line2 = curbuf->b_ml.ml_line_count;
2396 }
2397
2398 /* accept numbered register only when no count allowed (:put) */
2399 if ( (ea.argt & REGSTR)
2400 && *ea.arg != NUL
2401 #ifdef FEAT_USR_CMDS
2402 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2403 && USER_CMDIDX(ea.cmdidx)))
2404 /* Do not allow register = for user commands */
2405 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2406 #else
2407 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2408 #endif
2409 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2410 {
2411 ea.regname = *ea.arg++;
2412 #ifdef FEAT_EVAL
2413 /* for '=' register: accept the rest of the line as an expression */
2414 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2415 {
2416 set_expr_line(vim_strsave(ea.arg));
2417 ea.arg += STRLEN(ea.arg);
2418 }
2419 #endif
2420 ea.arg = skipwhite(ea.arg);
2421 }
2422
2423 /*
2424 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2425 * count, it's a buffer name.
2426 */
2427 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2428 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2429 || vim_iswhite(*p)))
2430 {
2431 n = getdigits(&ea.arg);
2432 ea.arg = skipwhite(ea.arg);
2433 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2434 {
2435 errormsg = (char_u *)_(e_zerocount);
2436 goto doend;
2437 }
2438 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2439 {
2440 ea.line2 = n;
2441 if (ea.addr_count == 0)
2442 ea.addr_count = 1;
2443 }
2444 else
2445 {
2446 ea.line1 = ea.line2;
2447 ea.line2 += n - 1;
2448 ++ea.addr_count;
2449 /*
2450 * Be vi compatible: no error message for out of range.
2451 */
2452 if (ea.line2 > curbuf->b_ml.ml_line_count)
2453 ea.line2 = curbuf->b_ml.ml_line_count;
2454 }
2455 }
2456
2457 /*
2458 * Check for flags: 'l', 'p' and '#'.
2459 */
2460 if (ea.argt & EXFLAGS)
2461 get_flags(&ea);
2462 /* no arguments allowed */
2463 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2464 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2465 {
2466 errormsg = (char_u *)_(e_trailing);
2467 goto doend;
2468 }
2469
2470 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2471 {
2472 errormsg = (char_u *)_(e_argreq);
2473 goto doend;
2474 }
2475
2476 #ifdef FEAT_EVAL
2477 /*
2478 * Skip the command when it's not going to be executed.
2479 * The commands like :if, :endif, etc. always need to be executed.
2480 * Also make an exception for commands that handle a trailing command
2481 * themselves.
2482 */
2483 if (ea.skip)
2484 {
2485 switch (ea.cmdidx)
2486 {
2487 /* commands that need evaluation */
2488 case CMD_while:
2489 case CMD_endwhile:
2490 case CMD_for:
2491 case CMD_endfor:
2492 case CMD_if:
2493 case CMD_elseif:
2494 case CMD_else:
2495 case CMD_endif:
2496 case CMD_try:
2497 case CMD_catch:
2498 case CMD_finally:
2499 case CMD_endtry:
2500 case CMD_function:
2501 break;
2502
2503 /* Commands that handle '|' themselves. Check: A command should
2504 * either have the TRLBAR flag, appear in this list or appear in
2505 * the list at ":help :bar". */
2506 case CMD_aboveleft:
2507 case CMD_and:
2508 case CMD_belowright:
2509 case CMD_botright:
2510 case CMD_browse:
2511 case CMD_call:
2512 case CMD_confirm:
2513 case CMD_delfunction:
2514 case CMD_djump:
2515 case CMD_dlist:
2516 case CMD_dsearch:
2517 case CMD_dsplit:
2518 case CMD_echo:
2519 case CMD_echoerr:
2520 case CMD_echomsg:
2521 case CMD_echon:
2522 case CMD_execute:
2523 case CMD_help:
2524 case CMD_hide:
2525 case CMD_ijump:
2526 case CMD_ilist:
2527 case CMD_isearch:
2528 case CMD_isplit:
2529 case CMD_keepalt:
2530 case CMD_keepjumps:
2531 case CMD_keepmarks:
2532 case CMD_leftabove:
2533 case CMD_let:
2534 case CMD_lockmarks:
2535 case CMD_match:
2536 case CMD_mzscheme:
2537 case CMD_perl:
2538 case CMD_psearch:
2539 case CMD_python:
2540 case CMD_return:
2541 case CMD_rightbelow:
2542 case CMD_ruby:
2543 case CMD_silent:
2544 case CMD_smagic:
2545 case CMD_snomagic:
2546 case CMD_substitute:
2547 case CMD_syntax:
2548 case CMD_tab:
2549 case CMD_tcl:
2550 case CMD_throw:
2551 case CMD_tilde:
2552 case CMD_topleft:
2553 case CMD_unlet:
2554 case CMD_verbose:
2555 case CMD_vertical:
2556 break;
2557
2558 default: goto doend;
2559 }
2560 }
2561 #endif
2562
2563 if (ea.argt & XFILE)
2564 {
2565 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2566 goto doend;
2567 }
2568
2569 #ifdef FEAT_LISTCMDS
2570 /*
2571 * Accept buffer name. Cannot be used at the same time with a buffer
2572 * number. Don't do this for a user command.
2573 */
2574 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2575 # ifdef FEAT_USR_CMDS
2576 && !USER_CMDIDX(ea.cmdidx)
2577 # endif
2578 )
2579 {
2580 /*
2581 * :bdelete, :bwipeout and :bunload take several arguments, separated
2582 * by spaces: find next space (skipping over escaped characters).
2583 * The others take one argument: ignore trailing spaces.
2584 */
2585 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2586 || ea.cmdidx == CMD_bunload)
2587 p = skiptowhite_esc(ea.arg);
2588 else
2589 {
2590 p = ea.arg + STRLEN(ea.arg);
2591 while (p > ea.arg && vim_iswhite(p[-1]))
2592 --p;
2593 }
2594 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2595 if (ea.line2 < 0) /* failed */
2596 goto doend;
2597 ea.addr_count = 1;
2598 ea.arg = skipwhite(p);
2599 }
2600 #endif
2601
2602 /*
2603 * 6. switch on command name
2604 *
2605 * The "ea" structure holds the arguments that can be used.
2606 */
2607 ea.cmdlinep = cmdlinep;
2608 ea.getline = fgetline;
2609 ea.cookie = cookie;
2610 #ifdef FEAT_EVAL
2611 ea.cstack = cstack;
2612 #endif
2613
2614 #ifdef FEAT_USR_CMDS
2615 if (USER_CMDIDX(ea.cmdidx))
2616 {
2617 /*
2618 * Execute a user-defined command.
2619 */
2620 do_ucmd(&ea);
2621 }
2622 else
2623 #endif
2624 {
2625 /*
2626 * Call the function to execute the command.
2627 */
2628 ea.errmsg = NULL;
2629 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2630 if (ea.errmsg != NULL)
2631 errormsg = (char_u *)_(ea.errmsg);
2632 }
2633
2634 #ifdef FEAT_EVAL
2635 /*
2636 * If the command just executed called do_cmdline(), any throw or ":return"
2637 * or ":finish" encountered there must also check the cstack of the still
2638 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2639 * exception, or reanimate a returned function or finished script file and
2640 * return or finish it again.
2641 */
2642 if (need_rethrow)
2643 do_throw(cstack);
2644 else if (check_cstack)
2645 {
2646 if (source_finished(fgetline, cookie))
2647 do_finish(&ea, TRUE);
2648 else if (getline_equal(fgetline, cookie, get_func_line)
2649 && current_func_returned())
2650 do_return(&ea, TRUE, FALSE, NULL);
2651 }
2652 need_rethrow = check_cstack = FALSE;
2653 #endif
2654
2655 doend:
2656 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2657 curwin->w_cursor.lnum = 1;
2658
2659 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2660 {
2661 if (sourcing)
2662 {
2663 if (errormsg != IObuff)
2664 {
2665 STRCPY(IObuff, errormsg);
2666 errormsg = IObuff;
2667 }
2668 STRCAT(errormsg, ": ");
2669 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2670 }
2671 emsg(errormsg);
2672 }
2673 #ifdef FEAT_EVAL
2674 do_errthrow(cstack,
2675 (ea.cmdidx != CMD_SIZE
2676 # ifdef FEAT_USR_CMDS
2677 && !USER_CMDIDX(ea.cmdidx)
2678 # endif
2679 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2680 #endif
2681
2682 if (verbose_save >= 0)
2683 p_verbose = verbose_save;
2684 #ifdef FEAT_AUTOCMD
2685 if (cmdmod.save_ei != NULL)
2686 {
2687 /* Restore 'eventignore' to the value before ":noautocmd". */
2688 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2689 OPT_FREE, SID_NONE);
2690 free_string_option(cmdmod.save_ei);
2691 }
2692 #endif
2693
2694 cmdmod = save_cmdmod;
2695
2696 if (did_silent > 0)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 msg_silent -= did_silent;
2701 if (msg_silent < 0)
2702 msg_silent = 0;
2703 emsg_silent -= did_esilent;
2704 if (emsg_silent < 0)
2705 emsg_silent = 0;
2706 /* Restore msg_scroll, it's set by file I/O commands, even when no
2707 * message is actually displayed. */
2708 msg_scroll = save_msg_scroll;
2709 }
2710
2711 #ifdef HAVE_SANDBOX
2712 if (did_sandbox)
2713 --sandbox;
2714 #endif
2715
2716 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2717 ea.nextcmd = NULL;
2718
2719 #ifdef FEAT_EVAL
2720 --ex_nesting_level;
2721 #endif
2722
2723 return ea.nextcmd;
2724 }
2725 #if (_MSC_VER == 1200)
2726 #pragma optimize( "", on )
2727 #endif
2728
2729 /*
2730 * Check for an Ex command with optional tail.
2731 * If there is a match advance "pp" to the argument and return TRUE.
2732 */
2733 int
2734 checkforcmd(pp, cmd, len)
2735 char_u **pp; /* start of command */
2736 char *cmd; /* name of command */
2737 int len; /* required length */
2738 {
2739 int i;
2740
2741 for (i = 0; cmd[i] != NUL; ++i)
2742 if (cmd[i] != (*pp)[i])
2743 break;
2744 if (i >= len && !isalpha((*pp)[i]))
2745 {
2746 *pp = skipwhite(*pp + i);
2747 return TRUE;
2748 }
2749 return FALSE;
2750 }
2751
2752 /*
2753 * Find an Ex command by its name, either built-in or user.
2754 * Start of the name can be found at eap->cmd.
2755 * Returns pointer to char after the command name.
2756 * "full" is set to TRUE if the whole command name matched.
2757 * Returns NULL for an ambiguous user command.
2758 */
2759 /*ARGSUSED*/
2760 static char_u *
2761 find_command(eap, full)
2762 exarg_T *eap;
2763 int *full;
2764 {
2765 int len;
2766 char_u *p;
2767 int i;
2768
2769 /*
2770 * Isolate the command and search for it in the command table.
2771 * Exceptions:
2772 * - the 'k' command can directly be followed by any character.
2773 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2774 * but :sre[wind] is another command, as are :scrip[tnames],
2775 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2776 * - the "d" command can directly be followed by 'l' or 'p' flag.
2777 */
2778 p = eap->cmd;
2779 if (*p == 'k')
2780 {
2781 eap->cmdidx = CMD_k;
2782 ++p;
2783 }
2784 else if (p[0] == 's'
2785 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2786 && p[3] != 'i' && p[4] != 'p')
2787 || p[1] == 'g'
2788 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2789 || p[1] == 'I'
2790 || (p[1] == 'r' && p[2] != 'e')))
2791 {
2792 eap->cmdidx = CMD_substitute;
2793 ++p;
2794 }
2795 else
2796 {
2797 while (ASCII_ISALPHA(*p))
2798 ++p;
2799 /* check for non-alpha command */
2800 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2801 ++p;
2802 len = (int)(p - eap->cmd);
2803 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2804 {
2805 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2806 * :delete with the 'l' flag. Same for 'p'. */
2807 for (i = 0; i < len; ++i)
2808 if (eap->cmd[i] != "delete"[i])
2809 break;
2810 if (i == len - 1)
2811 {
2812 --len;
2813 if (p[-1] == 'l')
2814 eap->flags |= EXFLAG_LIST;
2815 else
2816 eap->flags |= EXFLAG_PRINT;
2817 }
2818 }
2819
2820 if (ASCII_ISLOWER(*eap->cmd))
2821 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2822 else
2823 eap->cmdidx = cmdidxs[26];
2824
2825 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2826 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2827 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2828 (size_t)len) == 0)
2829 {
2830 #ifdef FEAT_EVAL
2831 if (full != NULL
2832 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2833 *full = TRUE;
2834 #endif
2835 break;
2836 }
2837
2838 #ifdef FEAT_USR_CMDS
2839 /* Look for a user defined command as a last resort */
2840 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2841 {
2842 /* User defined commands may contain digits. */
2843 while (ASCII_ISALNUM(*p))
2844 ++p;
2845 p = find_ucmd(eap, p, full, NULL, NULL);
2846 }
2847 #endif
2848 if (p == eap->cmd)
2849 eap->cmdidx = CMD_SIZE;
2850 }
2851
2852 return p;
2853 }
2854
2855 #ifdef FEAT_USR_CMDS
2856 /*
2857 * Search for a user command that matches "eap->cmd".
2858 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2859 * Return a pointer to just after the command.
2860 * Return NULL if there is no matching command.
2861 */
2862 static char_u *
2863 find_ucmd(eap, p, full, xp, compl)
2864 exarg_T *eap;
2865 char_u *p; /* end of the command (possibly including count) */
2866 int *full; /* set to TRUE for a full match */
2867 expand_T *xp; /* used for completion, NULL otherwise */
2868 int *compl; /* completion flags or NULL */
2869 {
2870 int len = (int)(p - eap->cmd);
2871 int j, k, matchlen = 0;
2872 ucmd_T *uc;
2873 int found = FALSE;
2874 int possible = FALSE;
2875 char_u *cp, *np; /* Point into typed cmd and test name */
2876 garray_T *gap;
2877 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2878 only full match global is accepted. */
2879
2880 /*
2881 * Look for buffer-local user commands first, then global ones.
2882 */
2883 gap = &curbuf->b_ucmds;
2884 for (;;)
2885 {
2886 for (j = 0; j < gap->ga_len; ++j)
2887 {
2888 uc = USER_CMD_GA(gap, j);
2889 cp = eap->cmd;
2890 np = uc->uc_name;
2891 k = 0;
2892 while (k < len && *np != NUL && *cp++ == *np++)
2893 k++;
2894 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2895 {
2896 /* If finding a second match, the command is ambiguous. But
2897 * not if a buffer-local command wasn't a full match and a
2898 * global command is a full match. */
2899 if (k == len && found && *np != NUL)
2900 {
2901 if (gap == &ucmds)
2902 return NULL;
2903 amb_local = TRUE;
2904 }
2905
2906 if (!found || (k == len && *np == NUL))
2907 {
2908 /* If we matched up to a digit, then there could
2909 * be another command including the digit that we
2910 * should use instead.
2911 */
2912 if (k == len)
2913 found = TRUE;
2914 else
2915 possible = TRUE;
2916
2917 if (gap == &ucmds)
2918 eap->cmdidx = CMD_USER;
2919 else
2920 eap->cmdidx = CMD_USER_BUF;
2921 eap->argt = (long)uc->uc_argt;
2922 eap->useridx = j;
2923
2924 # ifdef FEAT_CMDL_COMPL
2925 if (compl != NULL)
2926 *compl = uc->uc_compl;
2927 # ifdef FEAT_EVAL
2928 if (xp != NULL)
2929 {
2930 xp->xp_arg = uc->uc_compl_arg;
2931 xp->xp_scriptID = uc->uc_scriptID;
2932 }
2933 # endif
2934 # endif
2935 /* Do not search for further abbreviations
2936 * if this is an exact match. */
2937 matchlen = k;
2938 if (k == len && *np == NUL)
2939 {
2940 if (full != NULL)
2941 *full = TRUE;
2942 amb_local = FALSE;
2943 break;
2944 }
2945 }
2946 }
2947 }
2948
2949 /* Stop if we found a full match or searched all. */
2950 if (j < gap->ga_len || gap == &ucmds)
2951 break;
2952 gap = &ucmds;
2953 }
2954
2955 /* Only found ambiguous matches. */
2956 if (amb_local)
2957 {
2958 if (xp != NULL)
2959 xp->xp_context = EXPAND_UNSUCCESSFUL;
2960 return NULL;
2961 }
2962
2963 /* The match we found may be followed immediately by a number. Move "p"
2964 * back to point to it. */
2965 if (found || possible)
2966 return p + (matchlen - len);
2967 return p;
2968 }
2969 #endif
2970
2971 #if defined(FEAT_EVAL) || defined(PROTO)
2972 static struct cmdmod
2973 {
2974 char *name;
2975 int minlen;
2976 int has_count; /* :123verbose :3tab */
2977 } cmdmods[] = {
2978 {"aboveleft", 3, FALSE},
2979 {"belowright", 3, FALSE},
2980 {"botright", 2, FALSE},
2981 {"browse", 3, FALSE},
2982 {"confirm", 4, FALSE},
2983 {"hide", 3, FALSE},
2984 {"keepalt", 5, FALSE},
2985 {"keepjumps", 5, FALSE},
2986 {"keepmarks", 3, FALSE},
2987 {"leftabove", 5, FALSE},
2988 {"lockmarks", 3, FALSE},
2989 {"noautocmd", 3, FALSE},
2990 {"rightbelow", 6, FALSE},
2991 {"sandbox", 3, FALSE},
2992 {"silent", 3, FALSE},
2993 {"tab", 3, TRUE},
2994 {"topleft", 2, FALSE},
2995 {"verbose", 4, TRUE},
2996 {"vertical", 4, FALSE},
2997 };
2998
2999 /*
3000 * Return length of a command modifier (including optional count).
3001 * Return zero when it's not a modifier.
3002 */
3003 int
3004 modifier_len(cmd)
3005 char_u *cmd;
3006 {
3007 int i, j;
3008 char_u *p = cmd;
3009
3010 if (VIM_ISDIGIT(*cmd))
3011 p = skipwhite(skipdigits(cmd));
3012 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3013 {
3014 for (j = 0; p[j] != NUL; ++j)
3015 if (p[j] != cmdmods[i].name[j])
3016 break;
3017 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3018 && (p == cmd || cmdmods[i].has_count))
3019 return j + (int)(p - cmd);
3020 }
3021 return 0;
3022 }
3023
3024 /*
3025 * Return > 0 if an Ex command "name" exists.
3026 * Return 2 if there is an exact match.
3027 * Return 3 if there is an ambiguous match.
3028 */
3029 int
3030 cmd_exists(name)
3031 char_u *name;
3032 {
3033 exarg_T ea;
3034 int full = FALSE;
3035 int i;
3036 int j;
3037 char_u *p;
3038
3039 /* Check command modifiers. */
3040 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3041 {
3042 for (j = 0; name[j] != NUL; ++j)
3043 if (name[j] != cmdmods[i].name[j])
3044 break;
3045 if (name[j] == NUL && j >= cmdmods[i].minlen)
3046 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3047 }
3048
3049 /* Check built-in commands and user defined commands.
3050 * For ":2match" and ":3match" we need to skip the number. */
3051 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3052 ea.cmdidx = (cmdidx_T)0;
3053 p = find_command(&ea, &full);
3054 if (p == NULL)
3055 return 3;
3056 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3057 return 0;
3058 if (*skipwhite(p) != NUL)
3059 return 0; /* trailing garbage */
3060 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3061 }
3062 #endif
3063
3064 /*
3065 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3066 * we don't need/want deleted. Maybe this could be done better if we didn't
3067 * repeat all this stuff. The only problem is that they may not stay
3068 * perfectly compatible with each other, but then the command line syntax
3069 * probably won't change that much -- webb.
3070 */
3071 char_u *
3072 set_one_cmd_context(xp, buff)
3073 expand_T *xp;
3074 char_u *buff; /* buffer for command string */
3075 {
3076 char_u *p;
3077 char_u *cmd, *arg;
3078 int len = 0;
3079 exarg_T ea;
3080 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3081 int compl = EXPAND_NOTHING;
3082 #endif
3083 #ifdef FEAT_CMDL_COMPL
3084 int delim;
3085 #endif
3086 int forceit = FALSE;
3087 int usefilter = FALSE; /* filter instead of file name */
3088
3089 ExpandInit(xp);
3090 xp->xp_pattern = buff;
3091 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3092 ea.argt = 0;
3093
3094 /*
3095 * 2. skip comment lines and leading space, colons or bars
3096 */
3097 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3098 ;
3099 xp->xp_pattern = cmd;
3100
3101 if (*cmd == NUL)
3102 return NULL;
3103 if (*cmd == '"') /* ignore comment lines */
3104 {
3105 xp->xp_context = EXPAND_NOTHING;
3106 return NULL;
3107 }
3108
3109 /*
3110 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3111 */
3112 cmd = skip_range(cmd, &xp->xp_context);
3113
3114 /*
3115 * 4. parse command
3116 */
3117 xp->xp_pattern = cmd;
3118 if (*cmd == NUL)
3119 return NULL;
3120 if (*cmd == '"')
3121 {
3122 xp->xp_context = EXPAND_NOTHING;
3123 return NULL;
3124 }
3125
3126 if (*cmd == '|' || *cmd == '\n')
3127 return cmd + 1; /* There's another command */
3128
3129 /*
3130 * Isolate the command and search for it in the command table.
3131 * Exceptions:
3132 * - the 'k' command can directly be followed by any character, but
3133 * do accept "keepmarks", "keepalt" and "keepjumps".
3134 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3135 */
3136 if (*cmd == 'k' && cmd[1] != 'e')
3137 {
3138 ea.cmdidx = CMD_k;
3139 p = cmd + 1;
3140 }
3141 else
3142 {
3143 p = cmd;
3144 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3145 ++p;
3146 /* check for non-alpha command */
3147 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3148 ++p;
3149 len = (int)(p - cmd);
3150
3151 if (len == 0)
3152 {
3153 xp->xp_context = EXPAND_UNSUCCESSFUL;
3154 return NULL;
3155 }
3156 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3157 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3158 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3159 break;
3160
3161 #ifdef FEAT_USR_CMDS
3162 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3163 {
3164 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3165 ++p;
3166 len = (int)(p - cmd);
3167 }
3168 #endif
3169 }
3170
3171 /*
3172 * If the cursor is touching the command, and it ends in an alpha-numeric
3173 * character, complete the command name.
3174 */
3175 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3176 return NULL;
3177
3178 if (ea.cmdidx == CMD_SIZE)
3179 {
3180 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3181 {
3182 ea.cmdidx = CMD_substitute;
3183 p = cmd + 1;
3184 }
3185 #ifdef FEAT_USR_CMDS
3186 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3187 {
3188 ea.cmd = cmd;
3189 p = find_ucmd(&ea, p, NULL, xp,
3190 # if defined(FEAT_CMDL_COMPL)
3191 &compl
3192 # else
3193 NULL
3194 # endif
3195 );
3196 if (p == NULL)
3197 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3198 }
3199 #endif
3200 }
3201 if (ea.cmdidx == CMD_SIZE)
3202 {
3203 /* Not still touching the command and it was an illegal one */
3204 xp->xp_context = EXPAND_UNSUCCESSFUL;
3205 return NULL;
3206 }
3207
3208 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3209
3210 if (*p == '!') /* forced commands */
3211 {
3212 forceit = TRUE;
3213 ++p;
3214 }
3215
3216 /*
3217 * 5. parse arguments
3218 */
3219 #ifdef FEAT_USR_CMDS
3220 if (!USER_CMDIDX(ea.cmdidx))
3221 #endif
3222 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3223
3224 arg = skipwhite(p);
3225
3226 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3227 {
3228 if (*arg == '>') /* append */
3229 {
3230 if (*++arg == '>')
3231 ++arg;
3232 arg = skipwhite(arg);
3233 }
3234 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3235 {
3236 ++arg;
3237 usefilter = TRUE;
3238 }
3239 }
3240
3241 if (ea.cmdidx == CMD_read)
3242 {
3243 usefilter = forceit; /* :r! filter if forced */
3244 if (*arg == '!') /* :r !filter */
3245 {
3246 ++arg;
3247 usefilter = TRUE;
3248 }
3249 }
3250
3251 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3252 {
3253 while (*arg == *cmd) /* allow any number of '>' or '<' */
3254 ++arg;
3255 arg = skipwhite(arg);
3256 }
3257
3258 /* Does command allow "+command"? */
3259 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3260 {
3261 /* Check if we're in the +command */
3262 p = arg + 1;
3263 arg = skip_cmd_arg(arg, FALSE);
3264
3265 /* Still touching the command after '+'? */
3266 if (*arg == NUL)
3267 return p;
3268
3269 /* Skip space(s) after +command to get to the real argument */
3270 arg = skipwhite(arg);
3271 }
3272
3273 /*
3274 * Check for '|' to separate commands and '"' to start comments.
3275 * Don't do this for ":read !cmd" and ":write !cmd".
3276 */
3277 if ((ea.argt & TRLBAR) && !usefilter)
3278 {
3279 p = arg;
3280 /* ":redir @" is not the start of a comment */
3281 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3282 p += 2;
3283 while (*p)
3284 {
3285 if (*p == Ctrl_V)
3286 {
3287 if (p[1] != NUL)
3288 ++p;
3289 }
3290 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3291 || *p == '|' || *p == '\n')
3292 {
3293 if (*(p - 1) != '\\')
3294 {
3295 if (*p == '|' || *p == '\n')
3296 return p + 1;
3297 return NULL; /* It's a comment */
3298 }
3299 }
3300 mb_ptr_adv(p);
3301 }
3302 }
3303
3304 /* no arguments allowed */
3305 if (!(ea.argt & EXTRA) && *arg != NUL &&
3306 vim_strchr((char_u *)"|\"", *arg) == NULL)
3307 return NULL;
3308
3309 /* Find start of last argument (argument just before cursor): */
3310 p = buff + STRLEN(buff);
3311 while (p != arg && *p != ' ' && *p != TAB)
3312 p--;
3313 if (*p == ' ' || *p == TAB)
3314 p++;
3315 xp->xp_pattern = p;
3316
3317 if (ea.argt & XFILE)
3318 {
3319 int c;
3320 int in_quote = FALSE;
3321 char_u *bow = NULL; /* Beginning of word */
3322
3323 /*
3324 * Allow spaces within back-quotes to count as part of the argument
3325 * being expanded.
3326 */
3327 xp->xp_pattern = skipwhite(arg);
3328 p = xp->xp_pattern;
3329 while (*p != NUL)
3330 {
3331 #ifdef FEAT_MBYTE
3332 if (has_mbyte)
3333 c = mb_ptr2char(p);
3334 else
3335 #endif
3336 c = *p;
3337 if (c == '\\' && p[1] != NUL)
3338 ++p;
3339 else if (c == '`')
3340 {
3341 if (!in_quote)
3342 {
3343 xp->xp_pattern = p;
3344 bow = p + 1;
3345 }
3346 in_quote = !in_quote;
3347 }
3348 /* An argument can contain just about everything, except
3349 * characters that end the command and white space. */
3350 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3351 #ifdef SPACE_IN_FILENAME
3352 && (!(ea.argt & NOSPC) || usefilter)
3353 #endif
3354 ))
3355 {
3356 len = 0; /* avoid getting stuck when space is in 'isfname' */
3357 while (*p != NUL)
3358 {
3359 #ifdef FEAT_MBYTE
3360 if (has_mbyte)
3361 c = mb_ptr2char(p);
3362 else
3363 #endif
3364 c = *p;
3365 if (c == '`' || vim_isfilec_or_wc(c))
3366 break;
3367 #ifdef FEAT_MBYTE
3368 if (has_mbyte)
3369 len = (*mb_ptr2len)(p);
3370 else
3371 #endif
3372 len = 1;
3373 mb_ptr_adv(p);
3374 }
3375 if (in_quote)
3376 bow = p;
3377 else
3378 xp->xp_pattern = p;
3379 p -= len;
3380 }
3381 mb_ptr_adv(p);
3382 }
3383
3384 /*
3385 * If we are still inside the quotes, and we passed a space, just
3386 * expand from there.
3387 */
3388 if (bow != NULL && in_quote)
3389 xp->xp_pattern = bow;
3390 xp->xp_context = EXPAND_FILES;
3391
3392 #ifndef BACKSLASH_IN_FILENAME
3393 /* For a shell command more chars need to be escaped. */
3394 if (usefilter || ea.cmdidx == CMD_bang)
3395 {
3396 xp->xp_shell = TRUE;
3397
3398 /* When still after the command name expand executables. */
3399 if (xp->xp_pattern == skipwhite(arg))
3400 xp->xp_context = EXPAND_SHELLCMD;
3401 }
3402 #endif
3403
3404 /* Check for environment variable */
3405 if (*xp->xp_pattern == '$'
3406 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3407 || *xp->xp_pattern == '%'
3408 #endif
3409 )
3410 {
3411 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3412 if (!vim_isIDc(*p))
3413 break;
3414 if (*p == NUL)
3415 {
3416 xp->xp_context = EXPAND_ENV_VARS;
3417 ++xp->xp_pattern;
3418 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3419 /* Avoid that the assignment uses EXPAND_FILES again. */
3420 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3421 compl = EXPAND_ENV_VARS;
3422 #endif
3423 }
3424 }
3425 }
3426
3427 /*
3428 * 6. switch on command name
3429 */
3430 switch (ea.cmdidx)
3431 {
3432 case CMD_cd:
3433 case CMD_chdir:
3434 case CMD_lcd:
3435 case CMD_lchdir:
3436 if (xp->xp_context == EXPAND_FILES)
3437 xp->xp_context = EXPAND_DIRECTORIES;
3438 break;
3439 case CMD_help:
3440 xp->xp_context = EXPAND_HELP;
3441 xp->xp_pattern = arg;
3442 break;
3443
3444 /* Command modifiers: return the argument.
3445 * Also for commands with an argument that is a command. */
3446 case CMD_aboveleft:
3447 case CMD_argdo:
3448 case CMD_belowright:
3449 case CMD_botright:
3450 case CMD_browse:
3451 case CMD_bufdo:
3452 case CMD_confirm:
3453 case CMD_debug:
3454 case CMD_folddoclosed:
3455 case CMD_folddoopen:
3456 case CMD_hide:
3457 case CMD_keepalt:
3458 case CMD_keepjumps:
3459 case CMD_keepmarks:
3460 case CMD_leftabove:
3461 case CMD_lockmarks:
3462 case CMD_rightbelow:
3463 case CMD_sandbox:
3464 case CMD_silent:
3465 case CMD_tab:
3466 case CMD_topleft:
3467 case CMD_verbose:
3468 case CMD_vertical:
3469 case CMD_windo:
3470 return arg;
3471
3472 #ifdef FEAT_CMDL_COMPL
3473 # ifdef FEAT_SEARCH_EXTRA
3474 case CMD_match:
3475 if (*arg == NUL || !ends_excmd(*arg))
3476 {
3477 /* also complete "None" */
3478 set_context_in_echohl_cmd(xp, arg);
3479 arg = skipwhite(skiptowhite(arg));
3480 if (*arg != NUL)
3481 {
3482 xp->xp_context = EXPAND_NOTHING;
3483 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3484 }
3485 }
3486 return find_nextcmd(arg);
3487 # endif
3488
3489 /*
3490 * All completion for the +cmdline_compl feature goes here.
3491 */
3492
3493 # ifdef FEAT_USR_CMDS
3494 case CMD_command:
3495 /* Check for attributes */
3496 while (*arg == '-')
3497 {
3498 arg++; /* Skip "-" */
3499 p = skiptowhite(arg);
3500 if (*p == NUL)
3501 {
3502 /* Cursor is still in the attribute */
3503 p = vim_strchr(arg, '=');
3504 if (p == NULL)
3505 {
3506 /* No "=", so complete attribute names */
3507 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3508 xp->xp_pattern = arg;
3509 return NULL;
3510 }
3511
3512 /* For the -complete and -nargs attributes, we complete
3513 * their arguments as well.
3514 */
3515 if (STRNICMP(arg, "complete", p - arg) == 0)
3516 {
3517 xp->xp_context = EXPAND_USER_COMPLETE;
3518 xp->xp_pattern = p + 1;
3519 return NULL;
3520 }
3521 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3522 {
3523 xp->xp_context = EXPAND_USER_NARGS;
3524 xp->xp_pattern = p + 1;
3525 return NULL;
3526 }
3527 return NULL;
3528 }
3529 arg = skipwhite(p);
3530 }
3531
3532 /* After the attributes comes the new command name */
3533 p = skiptowhite(arg);
3534 if (*p == NUL)
3535 {
3536 xp->xp_context = EXPAND_USER_COMMANDS;
3537 xp->xp_pattern = arg;
3538 break;
3539 }
3540
3541 /* And finally comes a normal command */
3542 return skipwhite(p);
3543
3544 case CMD_delcommand:
3545 xp->xp_context = EXPAND_USER_COMMANDS;
3546 xp->xp_pattern = arg;
3547 break;
3548 # endif
3549
3550 case CMD_global:
3551 case CMD_vglobal:
3552 delim = *arg; /* get the delimiter */
3553 if (delim)
3554 ++arg; /* skip delimiter if there is one */
3555
3556 while (arg[0] != NUL && arg[0] != delim)
3557 {
3558 if (arg[0] == '\\' && arg[1] != NUL)
3559 ++arg;
3560 ++arg;
3561 }
3562 if (arg[0] != NUL)
3563 return arg + 1;
3564 break;
3565 case CMD_and:
3566 case CMD_substitute:
3567 delim = *arg;
3568 if (delim)
3569 {
3570 /* skip "from" part */
3571 ++arg;
3572 arg = skip_regexp(arg, delim, p_magic, NULL);
3573 }
3574 /* skip "to" part */
3575 while (arg[0] != NUL && arg[0] != delim)
3576 {
3577 if (arg[0] == '\\' && arg[1] != NUL)
3578 ++arg;
3579 ++arg;
3580 }
3581 if (arg[0] != NUL) /* skip delimiter */
3582 ++arg;
3583 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3584 ++arg;
3585 if (arg[0] != NUL)
3586 return arg;
3587 break;
3588 case CMD_isearch:
3589 case CMD_dsearch:
3590 case CMD_ilist:
3591 case CMD_dlist:
3592 case CMD_ijump:
3593 case CMD_psearch:
3594 case CMD_djump:
3595 case CMD_isplit:
3596 case CMD_dsplit:
3597 arg = skipwhite(skipdigits(arg)); /* skip count */
3598 if (*arg == '/') /* Match regexp, not just whole words */
3599 {
3600 for (++arg; *arg && *arg != '/'; arg++)
3601 if (*arg == '\\' && arg[1] != NUL)
3602 arg++;
3603 if (*arg)
3604 {
3605 arg = skipwhite(arg + 1);
3606
3607 /* Check for trailing illegal characters */
3608 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3609 xp->xp_context = EXPAND_NOTHING;
3610 else
3611 return arg;
3612 }
3613 }
3614 break;
3615 #ifdef FEAT_AUTOCMD
3616 case CMD_autocmd:
3617 return set_context_in_autocmd(xp, arg, FALSE);
3618
3619 case CMD_doautocmd:
3620 case CMD_doautoall:
3621 return set_context_in_autocmd(xp, arg, TRUE);
3622 #endif
3623 case CMD_set:
3624 set_context_in_set_cmd(xp, arg, 0);
3625 break;
3626 case CMD_setglobal:
3627 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3628 break;
3629 case CMD_setlocal:
3630 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3631 break;
3632 case CMD_tag:
3633 case CMD_stag:
3634 case CMD_ptag:
3635 case CMD_ltag:
3636 case CMD_tselect:
3637 case CMD_stselect:
3638 case CMD_ptselect:
3639 case CMD_tjump:
3640 case CMD_stjump:
3641 case CMD_ptjump:
3642 if (*p_wop != NUL)
3643 xp->xp_context = EXPAND_TAGS_LISTFILES;
3644 else
3645 xp->xp_context = EXPAND_TAGS;
3646 xp->xp_pattern = arg;
3647 break;
3648 case CMD_augroup:
3649 xp->xp_context = EXPAND_AUGROUP;
3650 xp->xp_pattern = arg;
3651 break;
3652 #ifdef FEAT_SYN_HL
3653 case CMD_syntax:
3654 set_context_in_syntax_cmd(xp, arg);
3655 break;
3656 #endif
3657 #ifdef FEAT_EVAL
3658 case CMD_let:
3659 case CMD_if:
3660 case CMD_elseif:
3661 case CMD_while:
3662 case CMD_for:
3663 case CMD_echo:
3664 case CMD_echon:
3665 case CMD_execute:
3666 case CMD_echomsg:
3667 case CMD_echoerr:
3668 case CMD_call:
3669 case CMD_return:
3670 set_context_for_expression(xp, arg, ea.cmdidx);
3671 break;
3672
3673 case CMD_unlet:
3674 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3675 arg = xp->xp_pattern + 1;
3676 xp->xp_context = EXPAND_USER_VARS;
3677 xp->xp_pattern = arg;
3678 break;
3679
3680 case CMD_function:
3681 case CMD_delfunction:
3682 xp->xp_context = EXPAND_USER_FUNC;
3683 xp->xp_pattern = arg;
3684 break;
3685
3686 case CMD_echohl:
3687 set_context_in_echohl_cmd(xp, arg);
3688 break;
3689 #endif
3690 case CMD_highlight:
3691 set_context_in_highlight_cmd(xp, arg);
3692 break;
3693 #ifdef FEAT_LISTCMDS
3694 case CMD_bdelete:
3695 case CMD_bwipeout:
3696 case CMD_bunload:
3697 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3698 arg = xp->xp_pattern + 1;
3699 /*FALLTHROUGH*/
3700 case CMD_buffer:
3701 case CMD_sbuffer:
3702 case CMD_checktime:
3703 xp->xp_context = EXPAND_BUFFERS;
3704 xp->xp_pattern = arg;
3705 break;
3706 #endif
3707 #ifdef FEAT_USR_CMDS
3708 case CMD_USER:
3709 case CMD_USER_BUF:
3710 if (compl != EXPAND_NOTHING)
3711 {
3712 /* XFILE: file names are handled above */
3713 if (!(ea.argt & XFILE))
3714 {
3715 # ifdef FEAT_MENU
3716 if (compl == EXPAND_MENUS)
3717 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3718 # endif
3719 if (compl == EXPAND_COMMANDS)
3720 return arg;
3721 if (compl == EXPAND_MAPPINGS)
3722 return set_context_in_map_cmd(xp, (char_u *)"map",
3723 arg, forceit, FALSE, FALSE, CMD_map);
3724 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3725 arg = xp->xp_pattern + 1;
3726 xp->xp_pattern = arg;
3727 }
3728 xp->xp_context = compl;
3729 }
3730 break;
3731 #endif
3732 case CMD_map: case CMD_noremap:
3733 case CMD_nmap: case CMD_nnoremap:
3734 case CMD_vmap: case CMD_vnoremap:
3735 case CMD_omap: case CMD_onoremap:
3736 case CMD_imap: case CMD_inoremap:
3737 case CMD_cmap: case CMD_cnoremap:
3738 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3739 FALSE, FALSE, ea.cmdidx);
3740 case CMD_unmap:
3741 case CMD_nunmap:
3742 case CMD_vunmap:
3743 case CMD_ounmap:
3744 case CMD_iunmap:
3745 case CMD_cunmap:
3746 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3747 FALSE, TRUE, ea.cmdidx);
3748 case CMD_abbreviate: case CMD_noreabbrev:
3749 case CMD_cabbrev: case CMD_cnoreabbrev:
3750 case CMD_iabbrev: case CMD_inoreabbrev:
3751 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3752 TRUE, FALSE, ea.cmdidx);
3753 case CMD_unabbreviate:
3754 case CMD_cunabbrev:
3755 case CMD_iunabbrev:
3756 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3757 TRUE, TRUE, ea.cmdidx);
3758 #ifdef FEAT_MENU
3759 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3760 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3761 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3762 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3763 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3764 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3765 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3766 case CMD_tmenu: case CMD_tunmenu:
3767 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3768 #ifdef FEAT_GUI_MACVIM
3769 case CMD_macmenu:
3770 #endif
3771 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3772 #endif
3773
3774 case CMD_colorscheme:
3775 xp->xp_context = EXPAND_COLORS;
3776 xp->xp_pattern = arg;
3777 break;
3778
3779 case CMD_compiler:
3780 xp->xp_context = EXPAND_COMPILER;
3781 xp->xp_pattern = arg;
3782 break;
3783
3784 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3785 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3786 case CMD_language:
3787 if (*skiptowhite(arg) == NUL)
3788 {
3789 xp->xp_context = EXPAND_LANGUAGE;
3790 xp->xp_pattern = arg;
3791 }
3792 else
3793 xp->xp_context = EXPAND_NOTHING;
3794 break;
3795 #endif
3796
3797 #ifdef FEAT_GUI_MACVIM
3798 case CMD_macaction:
3799 xp->xp_context = EXPAND_MACACTION;
3800 xp->xp_pattern = arg;
3801 break;
3802 #endif
3803
3804
3805 #endif /* FEAT_CMDL_COMPL */
3806
3807 default:
3808 break;
3809 }
3810 return NULL;
3811 }
3812
3813 /*
3814 * skip a range specifier of the form: addr [,addr] [;addr] ..
3815 *
3816 * Backslashed delimiters after / or ? will be skipped, and commands will
3817 * not be expanded between /'s and ?'s or after "'".
3818 *
3819 * Also skip white space and ":" characters.
3820 * Returns the "cmd" pointer advanced to beyond the range.
3821 */
3822 char_u *
3823 skip_range(cmd, ctx)
3824 char_u *cmd;
3825 int *ctx; /* pointer to xp_context or NULL */
3826 {
3827 int delim;
3828
3829 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3830 {
3831 if (*cmd == '\'')
3832 {
3833 if (*++cmd == NUL && ctx != NULL)
3834 *ctx = EXPAND_NOTHING;
3835 }
3836 else if (*cmd == '/' || *cmd == '?')
3837 {
3838 delim = *cmd++;
3839 while (*cmd != NUL && *cmd != delim)
3840 if (*cmd++ == '\\' && *cmd != NUL)
3841 ++cmd;
3842 if (*cmd == NUL && ctx != NULL)
3843 *ctx = EXPAND_NOTHING;
3844 }
3845 if (*cmd != NUL)
3846 ++cmd;
3847 }
3848
3849 /* Skip ":" and white space. */
3850 while (*cmd == ':')
3851 cmd = skipwhite(cmd + 1);
3852
3853 return cmd;
3854 }
3855
3856 /*
3857 * get a single EX address
3858 *
3859 * Set ptr to the next character after the part that was interpreted.
3860 * Set ptr to NULL when an error is encountered.
3861 *
3862 * Return MAXLNUM when no Ex address was found.
3863 */
3864 static linenr_T
3865 get_address(ptr, skip, to_other_file)
3866 char_u **ptr;
3867 int skip; /* only skip the address, don't use it */
3868 int to_other_file; /* flag: may jump to other file */
3869 {
3870 int c;
3871 int i;
3872 long n;
3873 char_u *cmd;
3874 pos_T pos;
3875 pos_T *fp;
3876 linenr_T lnum;
3877
3878 cmd = skipwhite(*ptr);
3879 lnum = MAXLNUM;
3880 do
3881 {
3882 switch (*cmd)
3883 {
3884 case '.': /* '.' - Cursor position */
3885 ++cmd;
3886 lnum = curwin->w_cursor.lnum;
3887 break;
3888
3889 case '$': /* '$' - last line */
3890 ++cmd;
3891 lnum = curbuf->b_ml.ml_line_count;
3892 break;
3893
3894 case '\'': /* ''' - mark */
3895 if (*++cmd == NUL)
3896 {
3897 cmd = NULL;
3898 goto error;
3899 }
3900 if (skip)
3901 ++cmd;
3902 else
3903 {
3904 /* Only accept a mark in another file when it is
3905 * used by itself: ":'M". */
3906 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3907 ++cmd;
3908 if (fp == (pos_T *)-1)
3909 /* Jumped to another file. */
3910 lnum = curwin->w_cursor.lnum;
3911 else
3912 {
3913 if (check_mark(fp) == FAIL)
3914 {
3915 cmd = NULL;
3916 goto error;
3917 }
3918 lnum = fp->lnum;
3919 }
3920 }
3921 break;
3922
3923 case '/':
3924 case '?': /* '/' or '?' - search */
3925 c = *cmd++;
3926 if (skip) /* skip "/pat/" */
3927 {
3928 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3929 if (*cmd == c)
3930 ++cmd;
3931 }
3932 else
3933 {
3934 pos = curwin->w_cursor; /* save curwin->w_cursor */
3935 /*
3936 * When '/' or '?' follows another address, start
3937 * from there.
3938 */
3939 if (lnum != MAXLNUM)
3940 curwin->w_cursor.lnum = lnum;
3941 /*
3942 * Start a forward search at the end of the line.
3943 * Start a backward search at the start of the line.
3944 * This makes sure we never match in the current
3945 * line, and can match anywhere in the
3946 * next/previous line.
3947 */
3948 if (c == '/')
3949 curwin->w_cursor.col = MAXCOL;
3950 else
3951 curwin->w_cursor.col = 0;
3952 searchcmdlen = 0;
3953 if (!do_search(NULL, c, cmd, 1L,
3954 SEARCH_HIS | SEARCH_MSG, NULL))
3955 {
3956 curwin->w_cursor = pos;
3957 cmd = NULL;
3958 goto error;
3959 }
3960 lnum = curwin->w_cursor.lnum;
3961 curwin->w_cursor = pos;
3962 /* adjust command string pointer */
3963 cmd += searchcmdlen;
3964 }
3965 break;
3966
3967 case '\\': /* "\?", "\/" or "\&", repeat search */
3968 ++cmd;
3969 if (*cmd == '&')
3970 i = RE_SUBST;
3971 else if (*cmd == '?' || *cmd == '/')
3972 i = RE_SEARCH;
3973 else
3974 {
3975 EMSG(_(e_backslash));
3976 cmd = NULL;
3977 goto error;
3978 }
3979
3980 if (!skip)
3981 {
3982 /*
3983 * When search follows another address, start from
3984 * there.
3985 */
3986 if (lnum != MAXLNUM)
3987 pos.lnum = lnum;
3988 else
3989 pos.lnum = curwin->w_cursor.lnum;
3990
3991 /*
3992 * Start the search just like for the above
3993 * do_search().
3994 */
3995 if (*cmd != '?')
3996 pos.col = MAXCOL;
3997 else
3998 pos.col = 0;
3999 if (searchit(curwin, curbuf, &pos,
4000 *cmd == '?' ? BACKWARD : FORWARD,
4001 (char_u *)"", 1L, SEARCH_MSG,
4002 i, (linenr_T)0, NULL) != FAIL)
4003 lnum = pos.lnum;
4004 else
4005 {
4006 cmd = NULL;
4007 goto error;
4008 }
4009 }
4010 ++cmd;
4011 break;
4012
4013 default:
4014 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4015 lnum = getdigits(&cmd);
4016 }
4017
4018 for (;;)
4019 {
4020 cmd = skipwhite(cmd);
4021 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4022 break;
4023
4024 if (lnum == MAXLNUM)
4025 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4026 if (VIM_ISDIGIT(*cmd))
4027 i = '+'; /* "number" is same as "+number" */
4028 else
4029 i = *cmd++;
4030 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4031 n = 1;
4032 else
4033 n = getdigits(&cmd);
4034 if (i == '-')
4035 lnum -= n;
4036 else
4037 lnum += n;
4038 }
4039 } while (*cmd == '/' || *cmd == '?');
4040
4041 error:
4042 *ptr = cmd;
4043 return lnum;
4044 }
4045
4046 /*
4047 * Get flags from an Ex command argument.
4048 */
4049 static void
4050 get_flags(eap)
4051 exarg_T *eap;
4052 {
4053 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4054 {
4055 if (*eap->arg == 'l')
4056 eap->flags |= EXFLAG_LIST;
4057 else if (*eap->arg == 'p')
4058 eap->flags |= EXFLAG_PRINT;
4059 else
4060 eap->flags |= EXFLAG_NR;
4061 eap->arg = skipwhite(eap->arg + 1);
4062 }
4063 }
4064
4065 /*
4066 * Function called for command which is Not Implemented. NI!
4067 */
4068 void
4069 ex_ni(eap)
4070 exarg_T *eap;
4071 {
4072 if (!eap->skip)
4073 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4074 }
4075
4076 #ifdef HAVE_EX_SCRIPT_NI
4077 /*
4078 * Function called for script command which is Not Implemented. NI!
4079 * Skips over ":perl <<EOF" constructs.
4080 */
4081 static void
4082 ex_script_ni(eap)
4083 exarg_T *eap;
4084 {
4085 if (!eap->skip)
4086 ex_ni(eap);
4087 else
4088 vim_free(script_get(eap, eap->arg));
4089 }
4090 #endif
4091
4092 /*
4093 * Check range in Ex command for validity.
4094 * Return NULL when valid, error message when invalid.
4095 */
4096 static char_u *
4097 invalid_range(eap)
4098 exarg_T *eap;
4099 {
4100 if ( eap->line1 < 0
4101 || eap->line2 < 0
4102 || eap->line1 > eap->line2
4103 || ((eap->argt & RANGE)
4104 && !(eap->argt & NOTADR)
4105 && eap->line2 > curbuf->b_ml.ml_line_count
4106 #ifdef FEAT_DIFF
4107 + (eap->cmdidx == CMD_diffget)
4108 #endif
4109 ))
4110 return (char_u *)_(e_invrange);
4111 return NULL;
4112 }
4113
4114 /*
4115 * Correct the range for zero line number, if required.
4116 */
4117 static void
4118 correct_range(eap)
4119 exarg_T *eap;
4120 {
4121 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4122 {
4123 if (eap->line1 == 0)
4124 eap->line1 = 1;
4125 if (eap->line2 == 0)
4126 eap->line2 = 1;
4127 }
4128 }
4129
4130 #ifdef FEAT_QUICKFIX
4131 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4132
4133 /*
4134 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4135 * pattern. Otherwise return eap->arg.
4136 */
4137 static char_u *
4138 skip_grep_pat(eap)
4139 exarg_T *eap;
4140 {
4141 char_u *p = eap->arg;
4142
4143 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4144 || eap->cmdidx == CMD_vimgrepadd
4145 || eap->cmdidx == CMD_lvimgrepadd
4146 || grep_internal(eap->cmdidx)))
4147 {
4148 p = skip_vimgrep_pat(p, NULL, NULL);
4149 if (p == NULL)
4150 p = eap->arg;
4151 }
4152 return p;
4153 }
4154
4155 /*
4156 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4157 * in the command line, so that things like % get expanded.
4158 */
4159 static char_u *
4160 replace_makeprg(eap, p, cmdlinep)
4161 exarg_T *eap;
4162 char_u *p;
4163 char_u **cmdlinep;
4164 {
4165 char_u *new_cmdline;
4166 char_u *program;
4167 char_u *pos;
4168 char_u *ptr;
4169 int len;
4170 int i;
4171
4172 /*
4173 * Don't do it when ":vimgrep" is used for ":grep".
4174 */
4175 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4176 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4177 || eap->cmdidx == CMD_grepadd
4178 || eap->cmdidx == CMD_lgrepadd)
4179 && !grep_internal(eap->cmdidx))
4180 {
4181 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4182 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4183 {
4184 if (*curbuf->b_p_gp == NUL)
4185 program = p_gp;
4186 else
4187 program = curbuf->b_p_gp;
4188 }
4189 else
4190 {
4191 if (*curbuf->b_p_mp == NUL)
4192 program = p_mp;
4193 else
4194 program = curbuf->b_p_mp;
4195 }
4196
4197 p = skipwhite(p);
4198
4199 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4200 {
4201 /* replace $* by given arguments */
4202 i = 1;
4203 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4204 ++i;
4205 len = (int)STRLEN(p);
4206 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4207 if (new_cmdline == NULL)
4208 return NULL; /* out of memory */
4209 ptr = new_cmdline;
4210 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4211 {
4212 i = (int)(pos - program);
4213 STRNCPY(ptr, program, i);
4214 STRCPY(ptr += i, p);
4215 ptr += len;
4216 program = pos + 2;
4217 }
4218 STRCPY(ptr, program);
4219 }
4220 else
4221 {
4222 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4223 if (new_cmdline == NULL)
4224 return NULL; /* out of memory */
4225 STRCPY(new_cmdline, program);
4226 STRCAT(new_cmdline, " ");
4227 STRCAT(new_cmdline, p);
4228 }
4229 msg_make(p);
4230
4231 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4232 vim_free(*cmdlinep);
4233 *cmdlinep = new_cmdline;
4234 p = new_cmdline;
4235 }
4236 return p;
4237 }
4238 #endif
4239
4240 /*
4241 * Expand file name in Ex command argument.
4242 * Return FAIL for failure, OK otherwise.
4243 */
4244 int
4245 expand_filename(eap, cmdlinep, errormsgp)
4246 exarg_T *eap;
4247 char_u **cmdlinep;
4248 char_u **errormsgp;
4249 {
4250 int has_wildcards; /* need to expand wildcards */
4251 char_u *repl;
4252 int srclen;
4253 char_u *p;
4254 int n;
4255 int escaped;
4256
4257 #ifdef FEAT_QUICKFIX
4258 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4259 p = skip_grep_pat(eap);
4260 #else
4261 p = eap->arg;
4262 #endif
4263
4264 /*
4265 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4266 * the file name contains a wildcard it should not cause expanding.
4267 * (it will be expanded anyway if there is a wildcard before replacing).
4268 */
4269 has_wildcards = mch_has_wildcard(p);
4270 while (*p != NUL)
4271 {
4272 #ifdef FEAT_EVAL
4273 /* Skip over `=expr`, wildcards in it are not expanded. */
4274 if (p[0] == '`' && p[1] == '=')
4275 {
4276 p += 2;
4277 (void)skip_expr(&p);
4278 if (*p == '`')
4279 ++p;
4280 continue;
4281 }
4282 #endif
4283 /*
4284 * Quick check if this cannot be the start of a special string.
4285 * Also removes backslash before '%', '#' and '<'.
4286 */
4287 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4288 {
4289 ++p;
4290 continue;
4291 }
4292
4293 /*
4294 * Try to find a match at this position.
4295 */
4296 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4297 errormsgp, &escaped);
4298 if (*errormsgp != NULL) /* error detected */
4299 return FAIL;
4300 if (repl == NULL) /* no match found */
4301 {
4302 p += srclen;
4303 continue;
4304 }
4305
4306 /* Wildcards won't be expanded below, the replacement is taken
4307 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4308 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4309 {
4310 char_u *l = repl;
4311
4312 repl = expand_env_save(repl);
4313 vim_free(l);
4314 }
4315
4316 /* Need to escape white space et al. with a backslash.
4317 * Don't do this for:
4318 * - replacement that already has been escaped: "##"
4319 * - shell commands (may have to use quotes instead).
4320 * - non-unix systems when there is a single argument (spaces don't
4321 * separate arguments then).
4322 */
4323 if (!eap->usefilter
4324 && !escaped
4325 && eap->cmdidx != CMD_bang
4326 && eap->cmdidx != CMD_make
4327 && eap->cmdidx != CMD_lmake
4328 && eap->cmdidx != CMD_grep
4329 && eap->cmdidx != CMD_lgrep
4330 && eap->cmdidx != CMD_grepadd
4331 && eap->cmdidx != CMD_lgrepadd
4332 #ifndef UNIX
4333 && !(eap->argt & NOSPC)
4334 #endif
4335 )
4336 {
4337 char_u *l;
4338 #ifdef BACKSLASH_IN_FILENAME
4339 /* Don't escape a backslash here, because rem_backslash() doesn't
4340 * remove it later. */
4341 static char_u *nobslash = (char_u *)" \t\"|";
4342 # define ESCAPE_CHARS nobslash
4343 #else
4344 # define ESCAPE_CHARS escape_chars
4345 #endif
4346
4347 for (l = repl; *l; ++l)
4348 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4349 {
4350 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4351 if (l != NULL)
4352 {
4353 vim_free(repl);
4354 repl = l;
4355 }
4356 break;
4357 }
4358 }
4359
4360 /* For a shell command a '!' must be escaped. */
4361 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4362 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4363 {
4364 char_u *l;
4365
4366 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4367 if (l != NULL)
4368 {
4369 vim_free(repl);
4370 repl = l;
4371 /* For a sh-like shell escape "!" another time. */
4372 if (strstr((char *)p_sh, "sh") != NULL)
4373 {
4374 l = vim_strsave_escaped(repl, (char_u *)"!");
4375 if (l != NULL)
4376 {
4377 vim_free(repl);
4378 repl = l;
4379 }
4380 }
4381 }
4382 }
4383
4384 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4385 vim_free(repl);
4386 if (p == NULL)
4387 return FAIL;
4388 }
4389
4390 /*
4391 * One file argument: Expand wildcards.
4392 * Don't do this with ":r !command" or ":w !command".
4393 */
4394 if ((eap->argt & NOSPC) && !eap->usefilter)
4395 {
4396 /*
4397 * May do this twice:
4398 * 1. Replace environment variables.
4399 * 2. Replace any other wildcards, remove backslashes.
4400 */
4401 for (n = 1; n <= 2; ++n)
4402 {
4403 if (n == 2)
4404 {
4405 #ifdef UNIX
4406 /*
4407 * Only for Unix we check for more than one file name.
4408 * For other systems spaces are considered to be part
4409 * of the file name.
4410 * Only check here if there is no wildcard, otherwise
4411 * ExpandOne() will check for errors. This allows
4412 * ":e `ls ve*.c`" on Unix.
4413 */
4414 if (!has_wildcards)
4415 for (p = eap->arg; *p; ++p)
4416 {
4417 /* skip escaped characters */
4418 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4419 ++p;
4420 else if (vim_iswhite(*p))
4421 {
4422 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4423 return FAIL;
4424 }
4425 }
4426 #endif
4427
4428 /*
4429 * Halve the number of backslashes (this is Vi compatible).
4430 * For Unix and OS/2, when wildcards are expanded, this is
4431 * done by ExpandOne() below.
4432 */
4433 #if defined(UNIX) || defined(OS2)
4434 if (!has_wildcards)
4435 #endif
4436 backslash_halve(eap->arg);
4437 }
4438
4439 if (has_wildcards)
4440 {
4441 if (n == 1)
4442 {
4443 /*
4444 * First loop: May expand environment variables. This
4445 * can be done much faster with expand_env() than with
4446 * something else (e.g., calling a shell).
4447 * After expanding environment variables, check again
4448 * if there are still wildcards present.
4449 */
4450 if (vim_strchr(eap->arg, '$') != NULL
4451 || vim_strchr(eap->arg, '~') != NULL)
4452 {
4453 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4454 TRUE, TRUE, NULL);
4455 has_wildcards = mch_has_wildcard(NameBuff);
4456 p = NameBuff;
4457 }
4458 else
4459 p = NULL;
4460 }
4461 else /* n == 2 */
4462 {
4463 expand_T xpc;
4464
4465 ExpandInit(&xpc);
4466 xpc.xp_context = EXPAND_FILES;
4467 p = ExpandOne(&xpc, eap->arg, NULL,
4468 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4469 WILD_EXPAND_FREE);
4470 if (p == NULL)
4471 return FAIL;
4472 }
4473 if (p != NULL)
4474 {
4475 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4476 p, cmdlinep);
4477 if (n == 2) /* p came from ExpandOne() */
4478 vim_free(p);
4479 }
4480 }
4481 }
4482 }
4483 return OK;
4484 }
4485
4486 /*
4487 * Replace part of the command line, keeping eap->cmd, eap->arg and
4488 * eap->nextcmd correct.
4489 * "src" points to the part that is to be replaced, of length "srclen".
4490 * "repl" is the replacement string.
4491 * Returns a pointer to the character after the replaced string.
4492 * Returns NULL for failure.
4493 */
4494 static char_u *
4495 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4496 exarg_T *eap;
4497 char_u *src;
4498 int srclen;
4499 char_u *repl;
4500 char_u **cmdlinep;
4501 {
4502 int len;
4503 int i;
4504 char_u *new_cmdline;
4505
4506 /*
4507 * The new command line is build in new_cmdline[].
4508 * First allocate it.
4509 * Careful: a "+cmd" argument may have been NUL terminated.
4510 */
4511 len = (int)STRLEN(repl);
4512 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4513 if (eap->nextcmd != NULL)
4514 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4515 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4516 return NULL; /* out of memory! */
4517
4518 /*
4519 * Copy the stuff before the expanded part.
4520 * Copy the expanded stuff.
4521 * Copy what came after the expanded part.
4522 * Copy the next commands, if there are any.
4523 */
4524 i = (int)(src - *cmdlinep); /* length of part before match */
4525 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4526
4527 mch_memmove(new_cmdline + i, repl, (size_t)len);
4528 i += len; /* remember the end of the string */
4529 STRCPY(new_cmdline + i, src + srclen);
4530 src = new_cmdline + i; /* remember where to continue */
4531
4532 if (eap->nextcmd != NULL) /* append next command */
4533 {
4534 i = (int)STRLEN(new_cmdline) + 1;
4535 STRCPY(new_cmdline + i, eap->nextcmd);
4536 eap->nextcmd = new_cmdline + i;
4537 }
4538 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4539 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4540 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4541 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4542 vim_free(*cmdlinep);
4543 *cmdlinep = new_cmdline;
4544
4545 return src;
4546 }
4547
4548 /*
4549 * Check for '|' to separate commands and '"' to start comments.
4550 */
4551 void
4552 separate_nextcmd(eap)
4553 exarg_T *eap;
4554 {
4555 char_u *p;
4556
4557 #ifdef FEAT_QUICKFIX
4558 p = skip_grep_pat(eap);
4559 #else
4560 p = eap->arg;
4561 #endif
4562
4563 for ( ; *p; mb_ptr_adv(p))
4564 {
4565 if (*p == Ctrl_V)
4566 {
4567 if (eap->argt & (USECTRLV | XFILE))
4568 ++p; /* skip CTRL-V and next char */
4569 else
4570 /* remove CTRL-V and skip next char */
4571 STRMOVE(p, p + 1);
4572 if (*p == NUL) /* stop at NUL after CTRL-V */
4573 break;
4574 }
4575
4576 #ifdef FEAT_EVAL
4577 /* Skip over `=expr` when wildcards are expanded. */
4578 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4579 {
4580 p += 2;
4581 (void)skip_expr(&p);
4582 }
4583 #endif
4584
4585 /* Check for '"': start of comment or '|': next command */
4586 /* :@" and :*" do not start a comment!
4587 * :redir @" doesn't either. */
4588 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4589 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4590 || p != eap->arg)
4591 && (eap->cmdidx != CMD_redir
4592 || p != eap->arg + 1 || p[-1] != '@'))
4593 || *p == '|' || *p == '\n')
4594 {
4595 /*
4596 * We remove the '\' before the '|', unless USECTRLV is used
4597 * AND 'b' is present in 'cpoptions'.
4598 */
4599 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4600 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4601 {
4602 STRMOVE(p - 1, p); /* remove the '\' */
4603 --p;
4604 }
4605 else
4606 {
4607 eap->nextcmd = check_nextcmd(p);
4608 *p = NUL;
4609 break;
4610 }
4611 }
4612 }
4613
4614 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4615 del_trailing_spaces(eap->arg);
4616 }
4617
4618 /*
4619 * get + command from ex argument
4620 */
4621 static char_u *
4622 getargcmd(argp)
4623 char_u **argp;
4624 {
4625 char_u *arg = *argp;
4626 char_u *command = NULL;
4627
4628 if (*arg == '+') /* +[command] */
4629 {
4630 ++arg;
4631 if (vim_isspace(*arg))
4632 command = dollar_command;
4633 else
4634 {
4635 command = arg;
4636 arg = skip_cmd_arg(command, TRUE);
4637 if (*arg != NUL)
4638 *arg++ = NUL; /* terminate command with NUL */
4639 }
4640
4641 arg = skipwhite(arg); /* skip over spaces */
4642 *argp = arg;
4643 }
4644 return command;
4645 }
4646
4647 /*
4648 * Find end of "+command" argument. Skip over "\ " and "\\".
4649 */
4650 static char_u *
4651 skip_cmd_arg(p, rembs)
4652 char_u *p;
4653 int rembs; /* TRUE to halve the number of backslashes */
4654 {
4655 while (*p && !vim_isspace(*p))
4656 {
4657 if (*p == '\\' && p[1] != NUL)
4658 {
4659 if (rembs)
4660 STRMOVE(p, p + 1);
4661 else
4662 ++p;
4663 }
4664 mb_ptr_adv(p);
4665 }
4666 return p;
4667 }
4668
4669 /*
4670 * Get "++opt=arg" argument.
4671 * Return FAIL or OK.
4672 */
4673 static int
4674 getargopt(eap)
4675 exarg_T *eap;
4676 {
4677 char_u *arg = eap->arg + 2;
4678 int *pp = NULL;
4679 #ifdef FEAT_MBYTE
4680 char_u *p;
4681 #endif
4682
4683 /* ":edit ++[no]bin[ary] file" */
4684 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4685 {
4686 if (*arg == 'n')
4687 {
4688 arg += 2;
4689 eap->force_bin = FORCE_NOBIN;
4690 }
4691 else
4692 eap->force_bin = FORCE_BIN;
4693 if (!checkforcmd(&arg, "binary", 3))
4694 return FAIL;
4695 eap->arg = skipwhite(arg);
4696 return OK;
4697 }
4698
4699 /* ":read ++edit file" */
4700 if (STRNCMP(arg, "edit", 4) == 0)
4701 {
4702 eap->read_edit = TRUE;
4703 eap->arg = skipwhite(arg + 4);
4704 return OK;
4705 }
4706
4707 if (STRNCMP(arg, "ff", 2) == 0)
4708 {
4709 arg += 2;
4710 pp = &eap->force_ff;
4711 }
4712 else if (STRNCMP(arg, "fileformat", 10) == 0)
4713 {
4714 arg += 10;
4715 pp = &eap->force_ff;
4716 }
4717 #ifdef FEAT_MBYTE
4718 else if (STRNCMP(arg, "enc", 3) == 0)
4719 {
4720 arg += 3;
4721 pp = &eap->force_enc;
4722 }
4723 else if (STRNCMP(arg, "encoding", 8) == 0)
4724 {
4725 arg += 8;
4726 pp = &eap->force_enc;
4727 }
4728 else if (STRNCMP(arg, "bad", 3) == 0)
4729 {
4730 arg += 3;
4731 pp = &eap->bad_char;
4732 }
4733 #endif
4734
4735 if (pp == NULL || *arg != '=')
4736 return FAIL;
4737
4738 ++arg;
4739 *pp = (int)(arg - eap->cmd);
4740 arg = skip_cmd_arg(arg, FALSE);
4741 eap->arg = skipwhite(arg);
4742 *arg = NUL;
4743
4744 #ifdef FEAT_MBYTE
4745 if (pp == &eap->force_ff)
4746 {
4747 #endif
4748 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4749 return FAIL;
4750 #ifdef FEAT_MBYTE
4751 }
4752 else if (pp == &eap->force_enc)
4753 {
4754 /* Make 'fileencoding' lower case. */
4755 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4756 *p = TOLOWER_ASC(*p);
4757 }
4758 else
4759 {
4760 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4761 * "drop". */
4762 p = eap->cmd + eap->bad_char;
4763 if (STRICMP(p, "keep") == 0)
4764 eap->bad_char = BAD_KEEP;
4765 else if (STRICMP(p, "drop") == 0)
4766 eap->bad_char = BAD_DROP;
4767 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4768 eap->bad_char = *p;
4769 else
4770 return FAIL;
4771 }
4772 #endif
4773
4774 return OK;
4775 }
4776
4777 /*
4778 * ":abbreviate" and friends.
4779 */
4780 static void
4781 ex_abbreviate(eap)
4782 exarg_T *eap;
4783 {
4784 do_exmap(eap, TRUE); /* almost the same as mapping */
4785 }
4786
4787 /*
4788 * ":map" and friends.
4789 */
4790 static void
4791 ex_map(eap)
4792 exarg_T *eap;
4793 {
4794 /*
4795 * If we are sourcing .exrc or .vimrc in current directory we
4796 * print the mappings for security reasons.
4797 */
4798 if (secure)
4799 {
4800 secure = 2;
4801 msg_outtrans(eap->cmd);
4802 msg_putchar('\n');
4803 }
4804 do_exmap(eap, FALSE);
4805 }
4806
4807 /*
4808 * ":unmap" and friends.
4809 */
4810 static void
4811 ex_unmap(eap)
4812 exarg_T *eap;
4813 {
4814 do_exmap(eap, FALSE);
4815 }
4816
4817 /*
4818 * ":mapclear" and friends.
4819 */
4820 static void
4821 ex_mapclear(eap)
4822 exarg_T *eap;
4823 {
4824 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4825 }
4826
4827 /*
4828 * ":abclear" and friends.
4829 */
4830 static void
4831 ex_abclear(eap)
4832 exarg_T *eap;
4833 {
4834 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4835 }
4836
4837 #ifdef FEAT_AUTOCMD
4838 static void
4839 ex_autocmd(eap)
4840 exarg_T *eap;
4841 {
4842 /*
4843 * Disallow auto commands from .exrc and .vimrc in current
4844 * directory for security reasons.
4845 */
4846 if (secure)
4847 {
4848 secure = 2;
4849 eap->errmsg = e_curdir;
4850 }
4851 else if (eap->cmdidx == CMD_autocmd)
4852 do_autocmd(eap->arg, eap->forceit);
4853 else
4854 do_augroup(eap->arg, eap->forceit);
4855 }
4856
4857 /*
4858 * ":doautocmd": Apply the automatic commands to the current buffer.
4859 */
4860 static void
4861 ex_doautocmd(eap)
4862 exarg_T *eap;
4863 {
4864 (void)do_doautocmd(eap->arg, TRUE);
4865 do_modelines(0);
4866 }
4867 #endif
4868
4869 #ifdef FEAT_LISTCMDS
4870 /*
4871 * :[N]bunload[!] [N] [bufname] unload buffer
4872 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4873 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4874 */
4875 static void
4876 ex_bunload(eap)
4877 exarg_T *eap;
4878 {
4879 eap->errmsg = do_bufdel(
4880 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4881 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4882 : DOBUF_UNLOAD, eap->arg,
4883 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4884 }
4885
4886 /*
4887 * :[N]buffer [N] to buffer N
4888 * :[N]sbuffer [N] to buffer N
4889 */
4890 static void
4891 ex_buffer(eap)
4892 exarg_T *eap;
4893 {
4894 if (*eap->arg)
4895 eap->errmsg = e_trailing;
4896 else
4897 {
4898 if (eap->addr_count == 0) /* default is current buffer */
4899 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4900 else
4901 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4902 }
4903 }
4904
4905 /*
4906 * :[N]bmodified [N] to next mod. buffer
4907 * :[N]sbmodified [N] to next mod. buffer
4908 */
4909 static void
4910 ex_bmodified(eap)
4911 exarg_T *eap;
4912 {
4913 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4914 }
4915
4916 /*
4917 * :[N]bnext [N] to next buffer
4918 * :[N]sbnext [N] split and to next buffer
4919 */
4920 static void
4921 ex_bnext(eap)
4922 exarg_T *eap;
4923 {
4924 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4925 }
4926
4927 /*
4928 * :[N]bNext [N] to previous buffer
4929 * :[N]bprevious [N] to previous buffer
4930 * :[N]sbNext [N] split and to previous buffer
4931 * :[N]sbprevious [N] split and to previous buffer
4932 */
4933 static void
4934 ex_bprevious(eap)
4935 exarg_T *eap;
4936 {
4937 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4938 }
4939
4940 /*
4941 * :brewind to first buffer
4942 * :bfirst to first buffer
4943 * :sbrewind split and to first buffer
4944 * :sbfirst split and to first buffer
4945 */
4946 static void
4947 ex_brewind(eap)
4948 exarg_T *eap;
4949 {
4950 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4951 }
4952
4953 /*
4954 * :blast to last buffer
4955 * :sblast split and to last buffer
4956 */
4957 static void
4958 ex_blast(eap)
4959 exarg_T *eap;
4960 {
4961 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4962 }
4963 #endif
4964
4965 int
4966 ends_excmd(c)
4967 int c;
4968 {
4969 return (c == NUL || c == '|' || c == '"' || c == '\n');
4970 }
4971
4972 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4973 || defined(PROTO)
4974 /*
4975 * Return the next command, after the first '|' or '\n'.
4976 * Return NULL if not found.
4977 */
4978 char_u *
4979 find_nextcmd(p)
4980 char_u *p;
4981 {
4982 while (*p != '|' && *p != '\n')
4983 {
4984 if (*p == NUL)
4985 return NULL;
4986 ++p;
4987 }
4988 return (p + 1);
4989 }
4990 #endif
4991
4992 /*
4993 * Check if *p is a separator between Ex commands.
4994 * Return NULL if it isn't, (p + 1) if it is.
4995 */
4996 char_u *
4997 check_nextcmd(p)
4998 char_u *p;
4999 {
5000 p = skipwhite(p);
5001 if (*p == '|' || *p == '\n')
5002 return (p + 1);
5003 else
5004 return NULL;
5005 }
5006
5007 /*
5008 * - if there are more files to edit
5009 * - and this is the last window
5010 * - and forceit not used
5011 * - and not repeated twice on a row
5012 * return FAIL and give error message if 'message' TRUE
5013 * return OK otherwise
5014 */
5015 static int
5016 check_more(message, forceit)
5017 int message; /* when FALSE check only, no messages */
5018 int forceit;
5019 {
5020 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5021
5022 if (!forceit && only_one_window()
5023 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5024 {
5025 if (message)
5026 {
5027 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5028 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5029 {
5030 char_u buff[IOSIZE];
5031
5032 if (n == 1)
5033 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5034 else
5035 vim_snprintf((char *)buff, IOSIZE,
5036 _("%d more files to edit. Quit anyway?"), n);
5037 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5038 return OK;
5039 return FAIL;
5040 }
5041 #endif
5042 if (n == 1)
5043 EMSG(_("E173: 1 more file to edit"));
5044 else
5045 EMSGN(_("E173: %ld more files to edit"), n);
5046 quitmore = 2; /* next try to quit is allowed */
5047 }
5048 return FAIL;
5049 }
5050 return OK;
5051 }
5052
5053 #ifdef FEAT_CMDL_COMPL
5054 /*
5055 * Function given to ExpandGeneric() to obtain the list of command names.
5056 */
5057 /*ARGSUSED*/
5058 char_u *
5059 get_command_name(xp, idx)
5060 expand_T *xp;
5061 int idx;
5062 {
5063 if (idx >= (int)CMD_SIZE)
5064 # ifdef FEAT_USR_CMDS
5065 return get_user_command_name(idx);
5066 # else
5067 return NULL;
5068 # endif
5069 return cmdnames[idx].cmd_name;
5070 }
5071 #endif
5072
5073 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5074 static int uc_add_command __ARGS((char_u *name, size_t name_len, char_u *rep, long argt, long def, int flags, int compl, char_u *compl_arg, int force));
5075 static void uc_list __ARGS((char_u *name, size_t name_len));
5076 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5077 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5078 static size_t uc_check_code __ARGS((char_u *code, size_t len, char_u *buf, ucmd_T *cmd, exarg_T *eap, char_u **split_buf, size_t *split_len));
5079
5080 static int
5081 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5082 char_u *name;
5083 size_t name_len;
5084 char_u *rep;
5085 long argt;
5086 long def;
5087 int flags;
5088 int compl;
5089 char_u *compl_arg;
5090 int force;
5091 {
5092 ucmd_T *cmd = NULL;
5093 char_u *p;
5094 int i;
5095 int cmp = 1;
5096 char_u *rep_buf = NULL;
5097 garray_T *gap;
5098
5099 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5100 if (rep_buf == NULL)
5101 {
5102 /* Can't replace termcodes - try using the string as is */
5103 rep_buf = vim_strsave(rep);
5104
5105 /* Give up if out of memory */
5106 if (rep_buf == NULL)
5107 return FAIL;
5108 }
5109
5110 /* get address of growarray: global or in curbuf */
5111 if (flags & UC_BUFFER)
5112 {
5113 gap = &curbuf->b_ucmds;
5114 if (gap->ga_itemsize == 0)
5115 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5116 }
5117 else
5118 gap = &ucmds;
5119
5120 /* Search for the command in the already defined commands. */
5121 for (i = 0; i < gap->ga_len; ++i)
5122 {
5123 size_t len;
5124
5125 cmd = USER_CMD_GA(gap, i);
5126 len = STRLEN(cmd->uc_name);
5127 cmp = STRNCMP(name, cmd->uc_name, name_len);
5128 if (cmp == 0)
5129 {
5130 if (name_len < len)
5131 cmp = -1;
5132 else if (name_len > len)
5133 cmp = 1;
5134 }
5135
5136 if (cmp == 0)
5137 {
5138 if (!force)
5139 {
5140 EMSG(_("E174: Command already exists: add ! to replace it"));
5141 goto fail;
5142 }
5143
5144 vim_free(cmd->uc_rep);
5145 cmd->uc_rep = 0;
5146 break;
5147 }
5148
5149 /* Stop as soon as we pass the name to add */
5150 if (cmp < 0)
5151 break;
5152 }
5153
5154 /* Extend the array unless we're replacing an existing command */
5155 if (cmp != 0)
5156 {
5157 if (ga_grow(gap, 1) != OK)
5158 goto fail;
5159 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5160 goto fail;
5161
5162 cmd = USER_CMD_GA(gap, i);
5163 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5164
5165 ++gap->ga_len;
5166
5167 cmd->uc_name = p;
5168 }
5169
5170 cmd->uc_rep = rep_buf;
5171 cmd->uc_argt = argt;
5172 cmd->uc_def = def;
5173 cmd->uc_compl = compl;
5174 #ifdef FEAT_EVAL
5175 cmd->uc_scriptID = current_SID;
5176 # ifdef FEAT_CMDL_COMPL
5177 cmd->uc_compl_arg = compl_arg;
5178 # endif
5179 #endif
5180
5181 return OK;
5182
5183 fail:
5184 vim_free(rep_buf);
5185 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5186 vim_free(compl_arg);
5187 #endif
5188 return FAIL;
5189 }
5190
5191 /*
5192 * List of names for completion for ":command" with the EXPAND_ flag.
5193 * Must be alphabetical for completion.
5194 */
5195 static struct
5196 {
5197 int expand;
5198 char *name;
5199 } command_complete[] =
5200 {
5201 {EXPAND_AUGROUP, "augroup"},
5202 {EXPAND_BUFFERS, "buffer"},
5203 {EXPAND_COMMANDS, "command"},
5204 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5205 {EXPAND_USER_DEFINED, "custom"},
5206 {EXPAND_USER_LIST, "customlist"},
5207 #endif
5208 {EXPAND_DIRECTORIES, "dir"},
5209 {EXPAND_ENV_VARS, "environment"},
5210 {EXPAND_EVENTS, "event"},
5211 {EXPAND_EXPRESSION, "expression"},
5212 {EXPAND_FILES, "file"},
5213 {EXPAND_FUNCTIONS, "function"},
5214 {EXPAND_HELP, "help"},
5215 {EXPAND_HIGHLIGHT, "highlight"},
5216 {EXPAND_MAPPINGS, "mapping"},
5217 {EXPAND_MENUS, "menu"},
5218 {EXPAND_SETTINGS, "option"},
5219 {EXPAND_SHELLCMD, "shellcmd"},
5220 {EXPAND_TAGS, "tag"},
5221 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5222 {EXPAND_USER_VARS, "var"},
5223 {0, NULL}
5224 };
5225
5226 static void
5227 uc_list(name, name_len)
5228 char_u *name;
5229 size_t name_len;
5230 {
5231 int i, j;
5232 int found = FALSE;
5233 ucmd_T *cmd;
5234 int len;
5235 long a;
5236 garray_T *gap;
5237
5238 gap = &curbuf->b_ucmds;
5239 for (;;)
5240 {
5241 for (i = 0; i < gap->ga_len; ++i)
5242 {
5243 cmd = USER_CMD_GA(gap, i);
5244 a = (long)cmd->uc_argt;
5245
5246 /* Skip commands which don't match the requested prefix */
5247 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5248 continue;
5249
5250 /* Put out the title first time */
5251 if (!found)
5252 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5253 found = TRUE;
5254 msg_putchar('\n');
5255 if (got_int)
5256 break;
5257
5258 /* Special cases */
5259 msg_putchar(a & BANG ? '!' : ' ');
5260 msg_putchar(a & REGSTR ? '"' : ' ');
5261 msg_putchar(gap != &ucmds ? 'b' : ' ');
5262 msg_putchar(' ');
5263
5264 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5265 len = (int)STRLEN(cmd->uc_name) + 4;
5266
5267 do {
5268 msg_putchar(' ');
5269 ++len;
5270 } while (len < 16);
5271
5272 len = 0;
5273
5274 /* Arguments */
5275 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5276 {
5277 case 0: IObuff[len++] = '0'; break;
5278 case (EXTRA): IObuff[len++] = '*'; break;
5279 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5280 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5281 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5282 }
5283
5284 do {
5285 IObuff[len++] = ' ';
5286 } while (len < 5);
5287
5288 /* Range */
5289 if (a & (RANGE|COUNT))
5290 {
5291 if (a & COUNT)
5292 {
5293 /* -count=N */
5294 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5295 len += (int)STRLEN(IObuff + len);
5296 }
5297 else if (a & DFLALL)
5298 IObuff[len++] = '%';
5299 else if (cmd->uc_def >= 0)
5300 {
5301 /* -range=N */
5302 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5303 len += (int)STRLEN(IObuff + len);
5304 }
5305 else
5306 IObuff[len++] = '.';
5307 }
5308
5309 do {
5310 IObuff[len++] = ' ';
5311 } while (len < 11);
5312
5313 /* Completion */
5314 for (j = 0; command_complete[j].expand != 0; ++j)
5315 if (command_complete[j].expand == cmd->uc_compl)
5316 {
5317 STRCPY(IObuff + len, command_complete[j].name);
5318 len += (int)STRLEN(IObuff + len);
5319 break;
5320 }
5321
5322 do {
5323 IObuff[len++] = ' ';
5324 } while (len < 21);
5325
5326 IObuff[len] = '\0';
5327 msg_outtrans(IObuff);
5328
5329 msg_outtrans_special(cmd->uc_rep, FALSE);
5330 #ifdef FEAT_EVAL
5331 if (p_verbose > 0)
5332 last_set_msg(cmd->uc_scriptID);
5333 #endif
5334 out_flush();
5335 ui_breakcheck();
5336 if (got_int)
5337 break;
5338 }
5339 if (gap == &ucmds || i < gap->ga_len)
5340 break;
5341 gap = &ucmds;
5342 }
5343
5344 if (!found)
5345 MSG(_("No user-defined commands found"));
5346 }
5347
5348 static char_u *
5349 uc_fun_cmd()
5350 {
5351 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5352 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5353 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5354 0xb9, 0x7f, 0};
5355 int i;
5356
5357 for (i = 0; fcmd[i]; ++i)
5358 IObuff[i] = fcmd[i] - 0x40;
5359 IObuff[i] = 0;
5360 return IObuff;
5361 }
5362
5363 static int
5364 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5365 char_u *attr;
5366 size_t len;
5367 long *argt;
5368 long *def;
5369 int *flags;
5370 int *compl;
5371 char_u **compl_arg;
5372 {
5373 char_u *p;
5374
5375 if (len == 0)
5376 {
5377 EMSG(_("E175: No attribute specified"));
5378 return FAIL;
5379 }
5380
5381 /* First, try the simple attributes (no arguments) */
5382 if (STRNICMP(attr, "bang", len) == 0)
5383 *argt |= BANG;
5384 else if (STRNICMP(attr, "buffer", len) == 0)
5385 *flags |= UC_BUFFER;
5386 else if (STRNICMP(attr, "register", len) == 0)
5387 *argt |= REGSTR;
5388 else if (STRNICMP(attr, "bar", len) == 0)
5389 *argt |= TRLBAR;
5390 else
5391 {
5392 int i;
5393 char_u *val = NULL;
5394 size_t vallen = 0;
5395 size_t attrlen = len;
5396
5397 /* Look for the attribute name - which is the part before any '=' */
5398 for (i = 0; i < (int)len; ++i)
5399 {
5400 if (attr[i] == '=')
5401 {
5402 val = &attr[i + 1];
5403 vallen = len - i - 1;
5404 attrlen = i;
5405 break;
5406 }
5407 }
5408
5409 if (STRNICMP(attr, "nargs", attrlen) == 0)
5410 {
5411 if (vallen == 1)
5412 {
5413 if (*val == '0')
5414 /* Do nothing - this is the default */;
5415 else if (*val == '1')
5416 *argt |= (EXTRA | NOSPC | NEEDARG);
5417 else if (*val == '*')
5418 *argt |= EXTRA;
5419 else if (*val == '?')
5420 *argt |= (EXTRA | NOSPC);
5421 else if (*val == '+')
5422 *argt |= (EXTRA | NEEDARG);
5423 else
5424 goto wrong_nargs;
5425 }
5426 else
5427 {
5428 wrong_nargs:
5429 EMSG(_("E176: Invalid number of arguments"));
5430 return FAIL;
5431 }
5432 }
5433 else if (STRNICMP(attr, "range", attrlen) == 0)
5434 {
5435 *argt |= RANGE;
5436 if (vallen == 1 && *val == '%')
5437 *argt |= DFLALL;
5438 else if (val != NULL)
5439 {
5440 p = val;
5441 if (*def >= 0)
5442 {
5443 two_count:
5444 EMSG(_("E177: Count cannot be specified twice"));
5445 return FAIL;
5446 }
5447
5448 *def = getdigits(&p);
5449 *argt |= (ZEROR | NOTADR);
5450
5451 if (p != val + vallen || vallen == 0)
5452 {
5453 invalid_count:
5454 EMSG(_("E178: Invalid default value for count"));
5455 return FAIL;
5456 }
5457 }
5458 }
5459 else if (STRNICMP(attr, "count", attrlen) == 0)
5460 {
5461 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5462
5463 if (val != NULL)
5464 {
5465 p = val;
5466 if (*def >= 0)
5467 goto two_count;
5468
5469 *def = getdigits(&p);
5470
5471 if (p != val + vallen)
5472 goto invalid_count;
5473 }
5474
5475 if (*def < 0)
5476 *def = 0;
5477 }
5478 else if (STRNICMP(attr, "complete", attrlen) == 0)
5479 {
5480 if (val == NULL)
5481 {
5482 EMSG(_("E179: argument required for -complete"));
5483 return FAIL;
5484 }
5485
5486 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5487 == FAIL)
5488 return FAIL;
5489 }
5490 else
5491 {
5492 char_u ch = attr[len];
5493 attr[len] = '\0';
5494 EMSG2(_("E181: Invalid attribute: %s"), attr);
5495 attr[len] = ch;
5496 return FAIL;
5497 }
5498 }
5499
5500 return OK;
5501 }
5502
5503 /*
5504 * ":command ..."
5505 */
5506 static void
5507 ex_command(eap)
5508 exarg_T *eap;
5509 {
5510 char_u *name;
5511 char_u *end;
5512 char_u *p;
5513 long argt = 0;
5514 long def = -1;
5515 int flags = 0;
5516 int compl = EXPAND_NOTHING;
5517 char_u *compl_arg = NULL;
5518 int has_attr = (eap->arg[0] == '-');
5519
5520 p = eap->arg;
5521
5522 /* Check for attributes */
5523 while (*p == '-')
5524 {
5525 ++p;
5526 end = skiptowhite(p);
5527 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5528 == FAIL)
5529 return;
5530 p = skipwhite(end);
5531 }
5532
5533 /* Get the name (if any) and skip to the following argument */
5534 name = p;
5535 if (ASCII_ISALPHA(*p))
5536 while (ASCII_ISALNUM(*p))
5537 ++p;
5538 if (!ends_excmd(*p) && !vim_iswhite(*p))
5539 {
5540 EMSG(_("E182: Invalid command name"));
5541 return;
5542 }
5543 end = p;
5544
5545 /* If there is nothing after the name, and no attributes were specified,
5546 * we are listing commands
5547 */
5548 p = skipwhite(end);
5549 if (!has_attr && ends_excmd(*p))
5550 {
5551 uc_list(name, end - name);
5552 }
5553 else if (!ASCII_ISUPPER(*name))
5554 {
5555 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5556 return;
5557 }
5558 else
5559 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5560 eap->forceit);
5561 }
5562
5563 /*
5564 * ":comclear"
5565 * Clear all user commands, global and for current buffer.
5566 */
5567 /*ARGSUSED*/
5568 void
5569 ex_comclear(eap)
5570 exarg_T *eap;
5571 {
5572 uc_clear(&ucmds);
5573 uc_clear(&curbuf->b_ucmds);
5574 }
5575
5576 /*
5577 * Clear all user commands for "gap".
5578 */
5579 void
5580 uc_clear(gap)
5581 garray_T *gap;
5582 {
5583 int i;
5584 ucmd_T *cmd;
5585
5586 for (i = 0; i < gap->ga_len; ++i)
5587 {
5588 cmd = USER_CMD_GA(gap, i);
5589 vim_free(cmd->uc_name);
5590 vim_free(cmd->uc_rep);
5591 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5592 vim_free(cmd->uc_compl_arg);
5593 # endif
5594 }
5595 ga_clear(gap);
5596 }
5597
5598 static void
5599 ex_delcommand(eap)
5600 exarg_T *eap;
5601 {
5602 int i = 0;
5603 ucmd_T *cmd = NULL;
5604 int cmp = -1;
5605 garray_T *gap;
5606
5607 gap = &curbuf->b_ucmds;
5608 for (;;)
5609 {
5610 for (i = 0; i < gap->ga_len; ++i)
5611 {
5612 cmd = USER_CMD_GA(gap, i);
5613 cmp = STRCMP(eap->arg, cmd->uc_name);
5614 if (cmp <= 0)
5615 break;
5616 }
5617 if (gap == &ucmds || cmp == 0)
5618 break;
5619 gap = &ucmds;
5620 }
5621
5622 if (cmp != 0)
5623 {
5624 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5625 return;
5626 }
5627
5628 vim_free(cmd->uc_name);
5629 vim_free(cmd->uc_rep);
5630 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5631 vim_free(cmd->uc_compl_arg);
5632 # endif
5633
5634 --gap->ga_len;
5635
5636 if (i < gap->ga_len)
5637 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5638 }
5639
5640 /*
5641 * split and quote args for <f-args>
5642 */
5643 static char_u *
5644 uc_split_args(arg, lenp)
5645 char_u *arg;
5646 size_t *lenp;
5647 {
5648 char_u *buf;
5649 char_u *p;
5650 char_u *q;
5651 int len;
5652
5653 /* Precalculate length */
5654 p = arg;
5655 len = 2; /* Initial and final quotes */
5656
5657 while (*p)
5658 {
5659 if (p[0] == '\\' && p[1] == '\\')
5660 {
5661 len += 2;
5662 p += 2;
5663 }
5664 else if (p[0] == '\\' && vim_iswhite(p[1]))
5665 {
5666 len += 1;
5667 p += 2;
5668 }
5669 else if (*p == '\\' || *p == '"')
5670 {
5671 len += 2;
5672 p += 1;
5673 }
5674 else if (vim_iswhite(*p))
5675 {
5676 p = skipwhite(p);
5677 if (*p == NUL)
5678 break;
5679 len += 3; /* "," */
5680 }
5681 else
5682 {
5683 ++len;
5684 ++p;
5685 }
5686 }
5687
5688 buf = alloc(len + 1);
5689 if (buf == NULL)
5690 {
5691 *lenp = 0;
5692 return buf;
5693 }
5694
5695 p = arg;
5696 q = buf;
5697 *q++ = '"';
5698 while (*p)
5699 {
5700 if (p[0] == '\\' && p[1] == '\\')
5701 {
5702 *q++ = '\\';
5703 *q++ = '\\';
5704 p += 2;
5705 }
5706 else if (p[0] == '\\' && vim_iswhite(p[1]))
5707 {
5708 *q++ = p[1];
5709 p += 2;
5710 }
5711 else if (*p == '\\' || *p == '"')
5712 {
5713 *q++ = '\\';
5714 *q++ = *p++;
5715 }
5716 else if (vim_iswhite(*p))
5717 {
5718 p = skipwhite(p);
5719 if (*p == NUL)
5720 break;
5721 *q++ = '"';
5722 *q++ = ',';
5723 *q++ = '"';
5724 }
5725 else
5726 {
5727 *q++ = *p++;
5728 }
5729 }
5730 *q++ = '"';
5731 *q = 0;
5732
5733 *lenp = len;
5734 return buf;
5735 }
5736
5737 /*
5738 * Check for a <> code in a user command.
5739 * "code" points to the '<'. "len" the length of the <> (inclusive).
5740 * "buf" is where the result is to be added.
5741 * "split_buf" points to a buffer used for splitting, caller should free it.
5742 * "split_len" is the length of what "split_buf" contains.
5743 * Returns the length of the replacement, which has been added to "buf".
5744 * Returns -1 if there was no match, and only the "<" has been copied.
5745 */
5746 static size_t
5747 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5748 char_u *code;
5749 size_t len;
5750 char_u *buf;
5751 ucmd_T *cmd; /* the user command we're expanding */
5752 exarg_T *eap; /* ex arguments */
5753 char_u **split_buf;
5754 size_t *split_len;
5755 {
5756 size_t result = 0;
5757 char_u *p = code + 1;
5758 size_t l = len - 2;
5759 int quote = 0;
5760 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5761 ct_LT, ct_NONE } type = ct_NONE;
5762
5763 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5764 {
5765 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5766 p += 2;
5767 l -= 2;
5768 }
5769
5770 ++l;
5771 if (l <= 1)
5772 type = ct_NONE;
5773 else if (STRNICMP(p, "args>", l) == 0)
5774 type = ct_ARGS;
5775 else if (STRNICMP(p, "bang>", l) == 0)
5776 type = ct_BANG;
5777 else if (STRNICMP(p, "count>", l) == 0)
5778 type = ct_COUNT;
5779 else if (STRNICMP(p, "line1>", l) == 0)
5780 type = ct_LINE1;
5781 else if (STRNICMP(p, "line2>", l) == 0)
5782 type = ct_LINE2;
5783 else if (STRNICMP(p, "lt>", l) == 0)
5784 type = ct_LT;
5785 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5786 type = ct_REGISTER;
5787
5788 switch (type)
5789 {
5790 case ct_ARGS:
5791 /* Simple case first */
5792 if (*eap->arg == NUL)
5793 {
5794 if (quote == 1)
5795 {
5796 result = 2;
5797 if (buf != NULL)
5798 STRCPY(buf, "''");
5799 }
5800 else
5801 result = 0;
5802 break;
5803 }
5804
5805 /* When specified there is a single argument don't split it.
5806 * Works for ":Cmd %" when % is "a b c". */
5807 if ((eap->argt & NOSPC) && quote == 2)
5808 quote = 1;
5809
5810 switch (quote)
5811 {
5812 case 0: /* No quoting, no splitting */
5813 result = STRLEN(eap->arg);
5814 if (buf != NULL)
5815 STRCPY(buf, eap->arg);
5816 break;
5817 case 1: /* Quote, but don't split */
5818 result = STRLEN(eap->arg) + 2;
5819 for (p = eap->arg; *p; ++p)
5820 {
5821 if (*p == '\\' || *p == '"')
5822 ++result;
5823 }
5824
5825 if (buf != NULL)
5826 {
5827 *buf++ = '"';
5828 for (p = eap->arg; *p; ++p)
5829 {
5830 if (*p == '\\' || *p == '"')
5831 *buf++ = '\\';
5832 *buf++ = *p;
5833 }
5834 *buf = '"';
5835 }
5836
5837 break;
5838 case 2: /* Quote and split (<f-args>) */
5839 /* This is hard, so only do it once, and cache the result */
5840 if (*split_buf == NULL)
5841 *split_buf = uc_split_args(eap->arg, split_len);
5842
5843 result = *split_len;
5844 if (buf != NULL && result != 0)
5845 STRCPY(buf, *split_buf);
5846
5847 break;
5848 }
5849 break;
5850
5851 case ct_BANG:
5852 result = eap->forceit ? 1 : 0;
5853 if (quote)
5854 result += 2;
5855 if (buf != NULL)
5856 {
5857 if (quote)
5858 *buf++ = '"';
5859 if (eap->forceit)
5860 *buf++ = '!';
5861 if (quote)
5862 *buf = '"';
5863 }
5864 break;
5865
5866 case ct_LINE1:
5867 case ct_LINE2:
5868 case ct_COUNT:
5869 {
5870 char num_buf[20];
5871 long num = (type == ct_LINE1) ? eap->line1 :
5872 (type == ct_LINE2) ? eap->line2 :
5873 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5874 size_t num_len;
5875
5876 sprintf(num_buf, "%ld", num);
5877 num_len = STRLEN(num_buf);
5878 result = num_len;
5879
5880 if (quote)
5881 result += 2;
5882
5883 if (buf != NULL)
5884 {
5885 if (quote)
5886 *buf++ = '"';
5887 STRCPY(buf, num_buf);
5888 buf += num_len;
5889 if (quote)
5890 *buf = '"';
5891 }
5892
5893 break;
5894 }
5895
5896 case ct_REGISTER:
5897 result = eap->regname ? 1 : 0;
5898 if (quote)
5899 result += 2;
5900 if (buf != NULL)
5901 {
5902 if (quote)
5903 *buf++ = '\'';
5904 if (eap->regname)
5905 *buf++ = eap->regname;
5906 if (quote)
5907 *buf = '\'';
5908 }
5909 break;
5910
5911 case ct_LT:
5912 result = 1;
5913 if (buf != NULL)
5914 *buf = '<';
5915 break;
5916
5917 default:
5918 /* Not recognized: just copy the '<' and return -1. */
5919 result = (size_t)-1;
5920 if (buf != NULL)
5921 *buf = '<';
5922 break;
5923 }
5924
5925 return result;
5926 }
5927
5928 static void
5929 do_ucmd(eap)
5930 exarg_T *eap;
5931 {
5932 char_u *buf;
5933 char_u *p;
5934 char_u *q;
5935
5936 char_u *start;
5937 char_u *end;
5938 char_u *ksp;
5939 size_t len, totlen;
5940
5941 size_t split_len = 0;
5942 char_u *split_buf = NULL;
5943 ucmd_T *cmd;
5944 #ifdef FEAT_EVAL
5945 scid_T save_current_SID = current_SID;
5946 #endif
5947
5948 if (eap->cmdidx == CMD_USER)
5949 cmd = USER_CMD(eap->useridx);
5950 else
5951 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5952
5953 /*
5954 * Replace <> in the command by the arguments.
5955 * First round: "buf" is NULL, compute length, allocate "buf".
5956 * Second round: copy result into "buf".
5957 */
5958 buf = NULL;
5959 for (;;)
5960 {
5961 p = cmd->uc_rep; /* source */
5962 q = buf; /* destinateion */
5963 totlen = 0;
5964
5965 for (;;)
5966 {
5967 start = vim_strchr(p, '<');
5968 if (start != NULL)
5969 end = vim_strchr(start + 1, '>');
5970 if (buf != NULL)
5971 {
5972 ksp = vim_strchr(p, K_SPECIAL);
5973 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5974 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5975 # ifdef FEAT_GUI
5976 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5977 # endif
5978 ))
5979 {
5980 /* K_SPECIAL han been put in the buffer as K_SPECIAL
5981 * KS_SPECIAL KE_FILLER, like for mappings, but
5982 * do_cmdline() doesn't handle that, so convert it back.
5983 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
5984 len = ksp - p;
5985 if (len > 0)
5986 {
5987 mch_memmove(q, p, len);
5988 q += len;
5989 }
5990 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
5991 p = ksp + 3;
5992 continue;
5993 }
5994 }
5995
5996 /* break if there no <item> is found */
5997 if (start == NULL || end == NULL)
5998 break;
5999
6000 /* Include the '>' */
6001 ++end;
6002
6003 /* Take everything up to the '<' */
6004 len = start - p;
6005 if (buf == NULL)
6006 totlen += len;
6007 else
6008 {
6009 mch_memmove(q, p, len);
6010 q += len;
6011 }
6012
6013 len = uc_check_code(start, end - start, q, cmd, eap,
6014 &split_buf, &split_len);
6015 if (len == (size_t)-1)
6016 {
6017 /* no match, continue after '<' */
6018 p = start + 1;
6019 len = 1;
6020 }
6021 else
6022 p = end;
6023 if (buf == NULL)
6024 totlen += len;
6025 else
6026 q += len;
6027 }
6028 if (buf != NULL) /* second time here, finished */
6029 {
6030 STRCPY(q, p);
6031 break;
6032 }
6033
6034 totlen += STRLEN(p); /* Add on the trailing characters */
6035 buf = alloc((unsigned)(totlen + 1));
6036 if (buf == NULL)
6037 {
6038 vim_free(split_buf);
6039 return;
6040 }
6041 }
6042
6043 #ifdef FEAT_EVAL
6044 current_SID = cmd->uc_scriptID;
6045 #endif
6046 (void)do_cmdline(buf, eap->getline, eap->cookie,
6047 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6048 #ifdef FEAT_EVAL
6049 current_SID = save_current_SID;
6050 #endif
6051 vim_free(buf);
6052 vim_free(split_buf);
6053 }
6054
6055 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6056 static char_u *
6057 get_user_command_name(idx)
6058 int idx;
6059 {
6060 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6061 }
6062
6063 /*
6064 * Function given to ExpandGeneric() to obtain the list of user command names.
6065 */
6066 /*ARGSUSED*/
6067 char_u *
6068 get_user_commands(xp, idx)
6069 expand_T *xp;
6070 int idx;
6071 {
6072 if (idx < curbuf->b_ucmds.ga_len)
6073 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6074 idx -= curbuf->b_ucmds.ga_len;
6075 if (idx < ucmds.ga_len)
6076 return USER_CMD(idx)->uc_name;
6077 return NULL;
6078 }
6079
6080 /*
6081 * Function given to ExpandGeneric() to obtain the list of user command
6082 * attributes.
6083 */
6084 /*ARGSUSED*/
6085 char_u *
6086 get_user_cmd_flags(xp, idx)
6087 expand_T *xp;
6088 int idx;
6089 {
6090 static char *user_cmd_flags[] =
6091 {"bang", "bar", "buffer", "complete", "count",
6092 "nargs", "range", "register"};
6093
6094 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6095 return NULL;
6096 return (char_u *)user_cmd_flags[idx];
6097 }
6098
6099 /*
6100 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6101 */
6102 /*ARGSUSED*/
6103 char_u *
6104 get_user_cmd_nargs(xp, idx)
6105 expand_T *xp;
6106 int idx;
6107 {
6108 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6109
6110 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6111 return NULL;
6112 return (char_u *)user_cmd_nargs[idx];
6113 }
6114
6115 /*
6116 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6117 */
6118 /*ARGSUSED*/
6119 char_u *
6120 get_user_cmd_complete(xp, idx)
6121 expand_T *xp;
6122 int idx;
6123 {
6124 return (char_u *)command_complete[idx].name;
6125 }
6126 # endif /* FEAT_CMDL_COMPL */
6127
6128 #endif /* FEAT_USR_CMDS */
6129
6130 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6131 /*
6132 * Parse a completion argument "value[vallen]".
6133 * The detected completion goes in "*complp", argument type in "*argt".
6134 * When there is an argument, for function and user defined completion, it's
6135 * copied to allocated memory and stored in "*compl_arg".
6136 * Returns FAIL if something is wrong.
6137 */
6138 int
6139 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6140 char_u *value;
6141 int vallen;
6142 int *complp;
6143 long *argt;
6144 char_u **compl_arg;
6145 {
6146 char_u *arg = NULL;
6147 size_t arglen = 0;
6148 int i;
6149 int valend = vallen;
6150
6151 /* Look for any argument part - which is the part after any ',' */
6152 for (i = 0; i < vallen; ++i)
6153 {
6154 if (value[i] == ',')
6155 {
6156 arg = &value[i + 1];
6157 arglen = vallen - i - 1;
6158 valend = i;
6159 break;
6160 }
6161 }
6162
6163 for (i = 0; command_complete[i].expand != 0; ++i)
6164 {
6165 if ((int)STRLEN(command_complete[i].name) == valend
6166 && STRNCMP(value, command_complete[i].name, valend) == 0)
6167 {
6168 *complp = command_complete[i].expand;
6169 if (command_complete[i].expand == EXPAND_BUFFERS)
6170 *argt |= BUFNAME;
6171 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6172 || command_complete[i].expand == EXPAND_FILES)
6173 *argt |= XFILE;
6174 break;
6175 }
6176 }
6177
6178 if (command_complete[i].expand == 0)
6179 {
6180 EMSG2(_("E180: Invalid complete value: %s"), value);
6181 return FAIL;
6182 }
6183
6184 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6185 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6186 && arg != NULL)
6187 # else
6188 if (arg != NULL)
6189 # endif
6190 {
6191 EMSG(_("E468: Completion argument only allowed for custom completion"));
6192 return FAIL;
6193 }
6194
6195 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6196 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6197 && arg == NULL)
6198 {
6199 EMSG(_("E467: Custom completion requires a function argument"));
6200 return FAIL;
6201 }
6202
6203 if (arg != NULL)
6204 *compl_arg = vim_strnsave(arg, (int)arglen);
6205 # endif
6206 return OK;
6207 }
6208 #endif
6209
6210 static void
6211 ex_colorscheme(eap)
6212 exarg_T *eap;
6213 {
6214 if (load_colors(eap->arg) == FAIL)
6215 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6216 }
6217
6218 static void
6219 ex_highlight(eap)
6220 exarg_T *eap;
6221 {
6222 if (*eap->arg == NUL && eap->cmd[2] == '!')
6223 MSG(_("Greetings, Vim user!"));
6224 do_highlight(eap->arg, eap->forceit, FALSE);
6225 }
6226
6227
6228 /*
6229 * Call this function if we thought we were going to exit, but we won't
6230 * (because of an error). May need to restore the terminal mode.
6231 */
6232 void
6233 not_exiting()
6234 {
6235 exiting = FALSE;
6236 settmode(TMODE_RAW);
6237 }
6238
6239 /*
6240 * ":quit": quit current window, quit Vim if closed the last window.
6241 */
6242 static void
6243 ex_quit(eap)
6244 exarg_T *eap;
6245 {
6246 #ifdef FEAT_CMDWIN
6247 if (cmdwin_type != 0)
6248 {
6249 cmdwin_result = Ctrl_C;
6250 return;
6251 }
6252 #endif
6253 /* Don't quit while editing the command line. */
6254 if (text_locked())
6255 {
6256 text_locked_msg();
6257 return;
6258 }
6259 #ifdef FEAT_AUTOCMD
6260 if (curbuf_locked())
6261 return;
6262 #endif
6263
6264 #ifdef FEAT_NETBEANS_INTG
6265 netbeansForcedQuit = eap->forceit;
6266 #endif
6267
6268 /*
6269 * If there are more files or windows we won't exit.
6270 */
6271 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6272 exiting = TRUE;
6273 if ((!P_HID(curbuf)
6274 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6275 || check_more(TRUE, eap->forceit) == FAIL
6276 || (only_one_window() && check_changed_any(eap->forceit)))
6277 {
6278 not_exiting();
6279 }
6280 else
6281 {
6282 #ifdef FEAT_WINDOWS
6283 if (only_one_window()) /* quit last window */
6284 #endif
6285 getout(0);
6286 #ifdef FEAT_WINDOWS
6287 # ifdef FEAT_GUI
6288 need_mouse_correct = TRUE;
6289 # endif
6290 /* close window; may free buffer */
6291 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6292 #endif
6293 }
6294 }
6295
6296 /*
6297 * ":cquit".
6298 */
6299 /*ARGSUSED*/
6300 static void
6301 ex_cquit(eap)
6302 exarg_T *eap;
6303 {
6304 getout(1); /* this does not always pass on the exit code to the Manx
6305 compiler. why? */
6306 }
6307
6308 /*
6309 * ":qall": try to quit all windows
6310 */
6311 static void
6312 ex_quit_all(eap)
6313 exarg_T *eap;
6314 {
6315 # ifdef FEAT_CMDWIN
6316 if (cmdwin_type != 0)
6317 {
6318 if (eap->forceit)
6319 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6320 else
6321 cmdwin_result = K_XF2;
6322 return;
6323 }
6324 # endif
6325
6326 /* Don't quit while editing the command line. */
6327 if (text_locked())
6328 {
6329 text_locked_msg();
6330 return;
6331 }
6332 #ifdef FEAT_AUTOCMD
6333 if (curbuf_locked())
6334 return;
6335 #endif
6336
6337 exiting = TRUE;
6338 if (eap->forceit || !check_changed_any(FALSE))
6339 getout(0);
6340 not_exiting();
6341 }
6342
6343 #if defined(FEAT_WINDOWS) || defined(PROTO)
6344 /*
6345 * ":close": close current window, unless it is the last one
6346 */
6347 static void
6348 ex_close(eap)
6349 exarg_T *eap;
6350 {
6351 # ifdef FEAT_CMDWIN
6352 if (cmdwin_type != 0)
6353 cmdwin_result = K_IGNORE;
6354 else
6355 # endif
6356 if (!text_locked()
6357 #ifdef FEAT_AUTOCMD
6358 && !curbuf_locked()
6359 #endif
6360 )
6361 ex_win_close(eap->forceit, curwin, NULL);
6362 }
6363
6364 # ifdef FEAT_QUICKFIX
6365 /*
6366 * ":pclose": Close any preview window.
6367 */
6368 static void
6369 ex_pclose(eap)
6370 exarg_T *eap;
6371 {
6372 win_T *win;
6373
6374 for (win = firstwin; win != NULL; win = win->w_next)
6375 if (win->w_p_pvw)
6376 {
6377 ex_win_close(eap->forceit, win, NULL);
6378 break;
6379 }
6380 }
6381 # endif
6382
6383 /*
6384 * Close window "win" and take care of handling closing the last window for a
6385 * modified buffer.
6386 */
6387 static void
6388 ex_win_close(forceit, win, tp)
6389 int forceit;
6390 win_T *win;
6391 tabpage_T *tp; /* NULL or the tab page "win" is in */
6392 {
6393 int need_hide;
6394 buf_T *buf = win->w_buffer;
6395
6396 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6397 if (need_hide && !P_HID(buf) && !forceit)
6398 {
6399 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6400 if ((p_confirm || cmdmod.confirm) && p_write)
6401 {
6402 dialog_changed(buf, FALSE);
6403 if (buf_valid(buf) && bufIsChanged(buf))
6404 return;
6405 need_hide = FALSE;
6406 }
6407 else
6408 # endif
6409 {
6410 EMSG(_(e_nowrtmsg));
6411 return;
6412 }
6413 }
6414
6415 # ifdef FEAT_GUI
6416 need_mouse_correct = TRUE;
6417 # endif
6418
6419 /* free buffer when not hiding it or when it's a scratch buffer */
6420 if (tp == NULL)
6421 win_close(win, !need_hide && !P_HID(buf));
6422 else
6423 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6424 }
6425
6426 /*
6427 * ":tabclose": close current tab page, unless it is the last one.
6428 * ":tabclose N": close tab page N.
6429 */
6430 static void
6431 ex_tabclose(eap)
6432 exarg_T *eap;
6433 {
6434 tabpage_T *tp;
6435
6436 # ifdef FEAT_CMDWIN
6437 if (cmdwin_type != 0)
6438 cmdwin_result = K_IGNORE;
6439 else
6440 # endif
6441 if (first_tabpage->tp_next == NULL)
6442 EMSG(_("E784: Cannot close last tab page"));
6443 else
6444 {
6445 if (eap->addr_count > 0)
6446 {
6447 tp = find_tabpage((int)eap->line2);
6448 if (tp == NULL)
6449 {
6450 beep_flush();
6451 return;
6452 }
6453 if (tp != curtab)
6454 {
6455 tabpage_close_other(tp, eap->forceit);
6456 return;
6457 }
6458 }
6459 if (!text_locked()
6460 #ifdef FEAT_AUTOCMD
6461 && !curbuf_locked()
6462 #endif
6463 )
6464 tabpage_close(eap->forceit);
6465 }
6466 }
6467
6468 /*
6469 * ":tabonly": close all tab pages except the current one
6470 */
6471 static void
6472 ex_tabonly(eap)
6473 exarg_T *eap;
6474 {
6475 tabpage_T *tp;
6476 int done;
6477
6478 # ifdef FEAT_CMDWIN
6479 if (cmdwin_type != 0)
6480 cmdwin_result = K_IGNORE;
6481 else
6482 # endif
6483 if (first_tabpage->tp_next == NULL)
6484 MSG(_("Already only one tab page"));
6485 else
6486 {
6487 /* Repeat this up to a 1000 times, because autocommands may mess
6488 * up the lists. */
6489 for (done = 0; done < 1000; ++done)
6490 {
6491 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6492 if (tp->tp_topframe != topframe)
6493 {
6494 tabpage_close_other(tp, eap->forceit);
6495 /* if we failed to close it quit */
6496 if (valid_tabpage(tp))
6497 done = 1000;
6498 /* start over, "tp" is now invalid */
6499 break;
6500 }
6501 if (first_tabpage->tp_next == NULL)
6502 break;
6503 }
6504 }
6505 }
6506
6507 /*
6508 * Close the current tab page.
6509 */
6510 void
6511 tabpage_close(forceit)
6512 int forceit;
6513 {
6514 /* First close all the windows but the current one. If that worked then
6515 * close the last window in this tab, that will close it. */
6516 if (lastwin != firstwin)
6517 close_others(TRUE, forceit);
6518 if (lastwin == firstwin)
6519 ex_win_close(forceit, curwin, NULL);
6520 # ifdef FEAT_GUI
6521 need_mouse_correct = TRUE;
6522 # endif
6523 }
6524
6525 /*
6526 * Close tab page "tp", which is not the current tab page.
6527 * Note that autocommands may make "tp" invalid.
6528 * Also takes care of the tab pages line disappearing when closing the
6529 * last-but-one tab page.
6530 */
6531 void
6532 tabpage_close_other(tp, forceit)
6533 tabpage_T *tp;
6534 int forceit;
6535 {
6536 int done = 0;
6537 win_T *wp;
6538 int h = tabline_height();
6539
6540 /* Limit to 1000 windows, autocommands may add a window while we close
6541 * one. OK, so I'm paranoid... */
6542 while (++done < 1000)
6543 {
6544 wp = tp->tp_firstwin;
6545 ex_win_close(forceit, wp, tp);
6546
6547 /* Autocommands may delete the tab page under our fingers and we may
6548 * fail to close a window with a modified buffer. */
6549 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6550 break;
6551 }
6552
6553 redraw_tabline = TRUE;
6554 if (h != tabline_height())
6555 shell_new_rows();
6556 }
6557
6558 /*
6559 * ":only".
6560 */
6561 static void
6562 ex_only(eap)
6563 exarg_T *eap;
6564 {
6565 # ifdef FEAT_GUI
6566 need_mouse_correct = TRUE;
6567 # endif
6568 close_others(TRUE, eap->forceit);
6569 }
6570
6571 /*
6572 * ":all" and ":sall".
6573 * Also used for ":tab drop file ..." after setting the argument list.
6574 */
6575 void
6576 ex_all(eap)
6577 exarg_T *eap;
6578 {
6579 if (eap->addr_count == 0)
6580 eap->line2 = 9999;
6581 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6582 }
6583 #endif /* FEAT_WINDOWS */
6584
6585 static void
6586 ex_hide(eap)
6587 exarg_T *eap;
6588 {
6589 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6590 eap->errmsg = e_invarg;
6591 else
6592 {
6593 /* ":hide" or ":hide | cmd": hide current window */
6594 eap->nextcmd = check_nextcmd(eap->arg);
6595 #ifdef FEAT_WINDOWS
6596 if (!eap->skip)
6597 {
6598 # ifdef FEAT_GUI
6599 need_mouse_correct = TRUE;
6600 # endif
6601 win_close(curwin, FALSE); /* don't free buffer */
6602 }
6603 #endif
6604 }
6605 }
6606
6607 /*
6608 * ":stop" and ":suspend": Suspend Vim.
6609 */
6610 static void
6611 ex_stop(eap)
6612 exarg_T *eap;
6613 {
6614 /*
6615 * Disallow suspending for "rvim".
6616 */
6617 if (!check_restricted()
6618 #ifdef WIN3264
6619 /*
6620 * Check if external commands are allowed now.
6621 */
6622 && can_end_termcap_mode(TRUE)
6623 #endif
6624 )
6625 {
6626 if (!eap->forceit)
6627 autowrite_all();
6628 windgoto((int)Rows - 1, 0);
6629 out_char('\n');
6630 out_flush();
6631 stoptermcap();
6632 out_flush(); /* needed for SUN to restore xterm buffer */
6633 #ifdef FEAT_TITLE
6634 mch_restore_title(3); /* restore window titles */
6635 #endif
6636 ui_suspend(); /* call machine specific function */
6637 #ifdef FEAT_TITLE
6638 maketitle();
6639 resettitle(); /* force updating the title */
6640 #endif
6641 starttermcap();
6642 scroll_start(); /* scroll screen before redrawing */
6643 redraw_later_clear();
6644 shell_resized(); /* may have resized window */
6645 }
6646 }
6647
6648 /*
6649 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6650 */
6651 static void
6652 ex_exit(eap)
6653 exarg_T *eap;
6654 {
6655 #ifdef FEAT_CMDWIN
6656 if (cmdwin_type != 0)
6657 {
6658 cmdwin_result = Ctrl_C;
6659 return;
6660 }
6661 #endif
6662 /* Don't quit while editing the command line. */
6663 if (text_locked())
6664 {
6665 text_locked_msg();
6666 return;
6667 }
6668 #ifdef FEAT_AUTOCMD
6669 if (curbuf_locked())
6670 return;
6671 #endif
6672
6673 /*
6674 * if more files or windows we won't exit
6675 */
6676 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6677 exiting = TRUE;
6678 if ( ((eap->cmdidx == CMD_wq
6679 || curbufIsChanged())
6680 && do_write(eap) == FAIL)
6681 || check_more(TRUE, eap->forceit) == FAIL
6682 || (only_one_window() && check_changed_any(eap->forceit)))
6683 {
6684 not_exiting();
6685 }
6686 else
6687 {
6688 #ifdef FEAT_WINDOWS
6689 if (only_one_window()) /* quit last window, exit Vim */
6690 #endif
6691 getout(0);
6692 #ifdef FEAT_WINDOWS
6693 # ifdef FEAT_GUI
6694 need_mouse_correct = TRUE;
6695 # endif
6696 /* quit current window, may free buffer */
6697 win_close(curwin, !P_HID(curwin->w_buffer));
6698 #endif
6699 }
6700 }
6701
6702 /*
6703 * ":print", ":list", ":number".
6704 */
6705 static void
6706 ex_print(eap)
6707 exarg_T *eap;
6708 {
6709 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6710 EMSG(_(e_emptybuf));
6711 else
6712 {
6713 for ( ;!got_int; ui_breakcheck())
6714 {
6715 print_line(eap->line1,
6716 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6717 || (eap->flags & EXFLAG_NR)),
6718 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6719 if (++eap->line1 > eap->line2)
6720 break;
6721 out_flush(); /* show one line at a time */
6722 }
6723 setpcmark();
6724 /* put cursor at last line */
6725 curwin->w_cursor.lnum = eap->line2;
6726 beginline(BL_SOL | BL_FIX);
6727 }
6728
6729 ex_no_reprint = TRUE;
6730 }
6731
6732 #ifdef FEAT_BYTEOFF
6733 static void
6734 ex_goto(eap)
6735 exarg_T *eap;
6736 {
6737 goto_byte(eap->line2);
6738 }
6739 #endif
6740
6741 /*
6742 * ":shell".
6743 */
6744 /*ARGSUSED*/
6745 static void
6746 ex_shell(eap)
6747 exarg_T *eap;
6748 {
6749 do_shell(NULL, 0);
6750 }
6751
6752 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6753 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6754 || defined(FEAT_GUI_MSWIN) \
6755 || defined(FEAT_GUI_MAC) \
6756 || defined(PROTO) \
6757 || defined(FEAT_GUI_MACVIM)
6758
6759 /*
6760 * Handle a file drop. The code is here because a drop is *nearly* like an
6761 * :args command, but not quite (we have a list of exact filenames, so we
6762 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6763 * code is very similar to :args and hence needs access to a lot of the static
6764 * functions in this file.
6765 *
6766 * The list should be allocated using alloc(), as should each item in the
6767 * list. This function takes over responsibility for freeing the list.
6768 *
6769 * XXX The list is made into the argument list. This is freed using
6770 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6771 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6772 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6773 * file functionality is (currently) not in EMX this is not presently a
6774 * problem.
6775 */
6776 void
6777 handle_drop(filec, filev, split)
6778 int filec; /* the number of files dropped */
6779 char_u **filev; /* the list of files dropped */
6780 int split; /* force splitting the window */
6781 {
6782 exarg_T ea;
6783 int save_msg_scroll = msg_scroll;
6784
6785 /* Postpone this while editing the command line. */
6786 if (text_locked())
6787 return;
6788 #ifdef FEAT_AUTOCMD
6789 if (curbuf_locked())
6790 return;
6791 #endif
6792 /* When the screen is being updated we should not change buffers and
6793 * windows structures, it may cause freed memory to be used. */
6794 if (updating_screen)
6795 return;
6796
6797 /* Check whether the current buffer is changed. If so, we will need
6798 * to split the current window or data could be lost.
6799 * We don't need to check if the 'hidden' option is set, as in this
6800 * case the buffer won't be lost.
6801 */
6802 if (!P_HID(curbuf) && !split)
6803 {
6804 ++emsg_off;
6805 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6806 --emsg_off;
6807 }
6808 if (split)
6809 {
6810 # ifdef FEAT_WINDOWS
6811 if (win_split(0, 0) == FAIL)
6812 return;
6813 # ifdef FEAT_SCROLLBIND
6814 curwin->w_p_scb = FALSE;
6815 # endif
6816
6817 /* When splitting the window, create a new alist. Otherwise the
6818 * existing one is overwritten. */
6819 alist_unlink(curwin->w_alist);
6820 alist_new();
6821 # else
6822 return; /* can't split, always fail */
6823 # endif
6824 }
6825
6826 /*
6827 * Set up the new argument list.
6828 */
6829 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6830
6831 /*
6832 * Move to the first file.
6833 */
6834 /* Fake up a minimal "next" command for do_argfile() */
6835 vim_memset(&ea, 0, sizeof(ea));
6836 ea.cmd = (char_u *)"next";
6837 do_argfile(&ea, 0);
6838
6839 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6840 * mode that is not needed here. */
6841 need_start_insertmode = FALSE;
6842
6843 /* Restore msg_scroll, otherwise a following command may cause scrolling
6844 * unexpectedly. The screen will be redrawn by the caller, thus
6845 * msg_scroll being set by displaying a message is irrelevant. */
6846 msg_scroll = save_msg_scroll;
6847 }
6848 #endif
6849
6850 /*
6851 * Clear an argument list: free all file names and reset it to zero entries.
6852 */
6853 void
6854 alist_clear(al)
6855 alist_T *al;
6856 {
6857 while (--al->al_ga.ga_len >= 0)
6858 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6859 ga_clear(&al->al_ga);
6860 }
6861
6862 /*
6863 * Init an argument list.
6864 */
6865 void
6866 alist_init(al)
6867 alist_T *al;
6868 {
6869 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6870 }
6871
6872 #if defined(FEAT_WINDOWS) || defined(PROTO)
6873
6874 /*
6875 * Remove a reference from an argument list.
6876 * Ignored when the argument list is the global one.
6877 * If the argument list is no longer used by any window, free it.
6878 */
6879 void
6880 alist_unlink(al)
6881 alist_T *al;
6882 {
6883 if (al != &global_alist && --al->al_refcount <= 0)
6884 {
6885 alist_clear(al);
6886 vim_free(al);
6887 }
6888 }
6889
6890 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6891 /*
6892 * Create a new argument list and use it for the current window.
6893 */
6894 void
6895 alist_new()
6896 {
6897 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6898 if (curwin->w_alist == NULL)
6899 {
6900 curwin->w_alist = &global_alist;
6901 ++global_alist.al_refcount;
6902 }
6903 else
6904 {
6905 curwin->w_alist->al_refcount = 1;
6906 alist_init(curwin->w_alist);
6907 }
6908 }
6909 # endif
6910 #endif
6911
6912 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6913 /*
6914 * Expand the file names in the global argument list.
6915 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6916 * numbers to be re-used.
6917 */
6918 void
6919 alist_expand(fnum_list, fnum_len)
6920 int *fnum_list;
6921 int fnum_len;
6922 {
6923 char_u **old_arg_files;
6924 int old_arg_count;
6925 char_u **new_arg_files;
6926 int new_arg_file_count;
6927 char_u *save_p_su = p_su;
6928 int i;
6929
6930 /* Don't use 'suffixes' here. This should work like the shell did the
6931 * expansion. Also, the vimrc file isn't read yet, thus the user
6932 * can't set the options. */
6933 p_su = empty_option;
6934 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6935 if (old_arg_files != NULL)
6936 {
6937 for (i = 0; i < GARGCOUNT; ++i)
6938 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6939 old_arg_count = GARGCOUNT;
6940 if (expand_wildcards(old_arg_count, old_arg_files,
6941 &new_arg_file_count, &new_arg_files,
6942 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6943 && new_arg_file_count > 0)
6944 {
6945 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6946 TRUE, fnum_list, fnum_len);
6947 FreeWild(old_arg_count, old_arg_files);
6948 }
6949 }
6950 p_su = save_p_su;
6951 }
6952 #endif
6953
6954 /*
6955 * Set the argument list for the current window.
6956 * Takes over the allocated files[] and the allocated fnames in it.
6957 */
6958 void
6959 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6960 alist_T *al;
6961 int count;
6962 char_u **files;
6963 int use_curbuf;
6964 int *fnum_list;
6965 int fnum_len;
6966 {
6967 int i;
6968
6969 alist_clear(al);
6970 if (ga_grow(&al->al_ga, count) == OK)
6971 {
6972 for (i = 0; i < count; ++i)
6973 {
6974 if (got_int)
6975 {
6976 /* When adding many buffers this can take a long time. Allow
6977 * interrupting here. */
6978 while (i < count)
6979 vim_free(files[i++]);
6980 break;
6981 }
6982
6983 /* May set buffer name of a buffer previously used for the
6984 * argument list, so that it's re-used by alist_add. */
6985 if (fnum_list != NULL && i < fnum_len)
6986 buf_set_name(fnum_list[i], files[i]);
6987
6988 alist_add(al, files[i], use_curbuf ? 2 : 1);
6989 ui_breakcheck();
6990 }
6991 vim_free(files);
6992 }
6993 else
6994 FreeWild(count, files);
6995 #ifdef FEAT_WINDOWS
6996 if (al == &global_alist)
6997 #endif
6998 arg_had_last = FALSE;
6999 }
7000
7001 /*
7002 * Add file "fname" to argument list "al".
7003 * "fname" must have been allocated and "al" must have been checked for room.
7004 */
7005 void
7006 alist_add(al, fname, set_fnum)
7007 alist_T *al;
7008 char_u *fname;
7009 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7010 {
7011 if (fname == NULL) /* don't add NULL file names */
7012 return;
7013 #ifdef BACKSLASH_IN_FILENAME
7014 slash_adjust(fname);
7015 #endif
7016 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7017 if (set_fnum > 0)
7018 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7019 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7020 ++al->al_ga.ga_len;
7021 }
7022
7023 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7024 /*
7025 * Adjust slashes in file names. Called after 'shellslash' was set.
7026 */
7027 void
7028 alist_slash_adjust()
7029 {
7030 int i;
7031 # ifdef FEAT_WINDOWS
7032 win_T *wp;
7033 tabpage_T *tp;
7034 # endif
7035
7036 for (i = 0; i < GARGCOUNT; ++i)
7037 if (GARGLIST[i].ae_fname != NULL)
7038 slash_adjust(GARGLIST[i].ae_fname);
7039 # ifdef FEAT_WINDOWS
7040 FOR_ALL_TAB_WINDOWS(tp, wp)
7041 if (wp->w_alist != &global_alist)
7042 for (i = 0; i < WARGCOUNT(wp); ++i)
7043 if (WARGLIST(wp)[i].ae_fname != NULL)
7044 slash_adjust(WARGLIST(wp)[i].ae_fname);
7045 # endif
7046 }
7047 #endif
7048
7049 /*
7050 * ":preserve".
7051 */
7052 /*ARGSUSED*/
7053 static void
7054 ex_preserve(eap)
7055 exarg_T *eap;
7056 {
7057 curbuf->b_flags |= BF_PRESERVED;
7058 ml_preserve(curbuf, TRUE);
7059 }
7060
7061 /*
7062 * ":recover".
7063 */
7064 static void
7065 ex_recover(eap)
7066 exarg_T *eap;
7067 {
7068 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7069 recoverymode = TRUE;
7070 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7071 && (*eap->arg == NUL
7072 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7073 ml_recover();
7074 recoverymode = FALSE;
7075 }
7076
7077 /*
7078 * Command modifier used in a wrong way.
7079 */
7080 static void
7081 ex_wrongmodifier(eap)
7082 exarg_T *eap;
7083 {
7084 eap->errmsg = e_invcmd;
7085 }
7086
7087 #ifdef FEAT_WINDOWS
7088 /*
7089 * :sview [+command] file split window with new file, read-only
7090 * :split [[+command] file] split window with current or new file
7091 * :vsplit [[+command] file] split window vertically with current or new file
7092 * :new [[+command] file] split window with no or new file
7093 * :vnew [[+command] file] split vertically window with no or new file
7094 * :sfind [+command] file split window with file in 'path'
7095 *
7096 * :tabedit open new Tab page with empty window
7097 * :tabedit [+command] file open new Tab page and edit "file"
7098 * :tabnew [[+command] file] just like :tabedit
7099 * :tabfind [+command] file open new Tab page and find "file"
7100 */
7101 void
7102 ex_splitview(eap)
7103 exarg_T *eap;
7104 {
7105 win_T *old_curwin = curwin;
7106 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7107 char_u *fname = NULL;
7108 # endif
7109 # ifdef FEAT_BROWSE
7110 int browse_flag = cmdmod.browse;
7111 # endif
7112
7113 # ifndef FEAT_VERTSPLIT
7114 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7115 {
7116 ex_ni(eap);
7117 return;
7118 }
7119 # endif
7120
7121 # ifdef FEAT_GUI
7122 need_mouse_correct = TRUE;
7123 # endif
7124
7125 # ifdef FEAT_QUICKFIX
7126 /* A ":split" in the quickfix window works like ":new". Don't want two
7127 * quickfix windows. But it's OK when doing ":tab split". */
7128 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7129 {
7130 if (eap->cmdidx == CMD_split)
7131 eap->cmdidx = CMD_new;
7132 # ifdef FEAT_VERTSPLIT
7133 if (eap->cmdidx == CMD_vsplit)
7134 eap->cmdidx = CMD_vnew;
7135 # endif
7136 }
7137 # endif
7138
7139 # ifdef FEAT_SEARCHPATH
7140 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7141 {
7142 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7143 FNAME_MESS, TRUE, curbuf->b_ffname);
7144 if (fname == NULL)
7145 goto theend;
7146 eap->arg = fname;
7147 }
7148 # ifdef FEAT_BROWSE
7149 else
7150 # endif
7151 # endif
7152 # ifdef FEAT_BROWSE
7153 if (cmdmod.browse
7154 # ifdef FEAT_VERTSPLIT
7155 && eap->cmdidx != CMD_vnew
7156 # endif
7157 && eap->cmdidx != CMD_new)
7158 {
7159 # ifdef FEAT_AUTOCMD
7160 if (
7161 # ifdef FEAT_GUI
7162 !gui.in_use &&
7163 # endif
7164 au_has_group((char_u *)"FileExplorer"))
7165 {
7166 /* No browsing supported but we do have the file explorer:
7167 * Edit the directory. */
7168 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7169 eap->arg = (char_u *)".";
7170 }
7171 else
7172 # endif
7173 {
7174 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7175 eap->arg, NULL, NULL, NULL, curbuf);
7176 if (fname == NULL)
7177 goto theend;
7178 eap->arg = fname;
7179 }
7180 }
7181 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7182 # endif
7183
7184 /*
7185 * Either open new tab page or split the window.
7186 */
7187 if (eap->cmdidx == CMD_tabedit
7188 || eap->cmdidx == CMD_tabfind
7189 || eap->cmdidx == CMD_tabnew)
7190 {
7191 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7192 : eap->addr_count == 0 ? 0
7193 : (int)eap->line2 + 1) != FAIL)
7194 {
7195 do_exedit(eap, old_curwin);
7196
7197 /* set the alternate buffer for the window we came from */
7198 if (curwin != old_curwin
7199 && win_valid(old_curwin)
7200 && old_curwin->w_buffer != curbuf
7201 && !cmdmod.keepalt)
7202 old_curwin->w_alt_fnum = curbuf->b_fnum;
7203 }
7204 }
7205 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7206 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7207 {
7208 # ifdef FEAT_SCROLLBIND
7209 /* Reset 'scrollbind' when editing another file, but keep it when
7210 * doing ":split" without arguments. */
7211 if (*eap->arg != NUL
7212 # ifdef FEAT_BROWSE
7213 || cmdmod.browse
7214 # endif
7215 )
7216 curwin->w_p_scb = FALSE;
7217 else
7218 do_check_scrollbind(FALSE);
7219 # endif
7220 do_exedit(eap, old_curwin);
7221 }
7222
7223 # ifdef FEAT_BROWSE
7224 cmdmod.browse = browse_flag;
7225 # endif
7226
7227 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7228 theend:
7229 vim_free(fname);
7230 # endif
7231 }
7232
7233 /*
7234 * Open a new tab page.
7235 */
7236 void
7237 tabpage_new()
7238 {
7239 exarg_T ea;
7240
7241 vim_memset(&ea, 0, sizeof(ea));
7242 ea.cmdidx = CMD_tabnew;
7243 ea.cmd = (char_u *)"tabn";
7244 ea.arg = (char_u *)"";
7245 ex_splitview(&ea);
7246 }
7247
7248 /*
7249 * :tabnext command
7250 */
7251 static void
7252 ex_tabnext(eap)
7253 exarg_T *eap;
7254 {
7255 switch (eap->cmdidx)
7256 {
7257 case CMD_tabfirst:
7258 case CMD_tabrewind:
7259 goto_tabpage(1);
7260 break;
7261 case CMD_tablast:
7262 goto_tabpage(9999);
7263 break;
7264 case CMD_tabprevious:
7265 case CMD_tabNext:
7266 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7267 break;
7268 default: /* CMD_tabnext */
7269 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7270 break;
7271 }
7272 }
7273
7274 /*
7275 * :tabmove command
7276 */
7277 static void
7278 ex_tabmove(eap)
7279 exarg_T *eap;
7280 {
7281 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7282 }
7283
7284 /*
7285 * :tabs command: List tabs and their contents.
7286 */
7287 /*ARGSUSED*/
7288 static void
7289 ex_tabs(eap)
7290 exarg_T *eap;
7291 {
7292 tabpage_T *tp;
7293 win_T *wp;
7294 int tabcount = 1;
7295
7296 msg_start();
7297 msg_scroll = TRUE;
7298 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7299 {
7300 msg_putchar('\n');
7301 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7302 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7303 out_flush(); /* output one line at a time */
7304 ui_breakcheck();
7305
7306 if (tp == curtab)
7307 wp = firstwin;
7308 else
7309 wp = tp->tp_firstwin;
7310 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7311 {
7312 msg_putchar('\n');
7313 msg_putchar(wp == curwin ? '>' : ' ');
7314 msg_putchar(' ');
7315 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7316 msg_putchar(' ');
7317 if (buf_spname(wp->w_buffer) != NULL)
7318 STRCPY(IObuff, buf_spname(wp->w_buffer));
7319 else
7320 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7321 IObuff, IOSIZE, TRUE);
7322 msg_outtrans(IObuff);
7323 out_flush(); /* output one line at a time */
7324 ui_breakcheck();
7325 }
7326 }
7327 }
7328
7329 #endif /* FEAT_WINDOWS */
7330
7331 /*
7332 * ":mode": Set screen mode.
7333 * If no argument given, just get the screen size and redraw.
7334 */
7335 static void
7336 ex_mode(eap)
7337 exarg_T *eap;
7338 {
7339 if (*eap->arg == NUL)
7340 shell_resized();
7341 else
7342 mch_screenmode(eap->arg);
7343 }
7344
7345 #ifdef FEAT_WINDOWS
7346 /*
7347 * ":resize".
7348 * set, increment or decrement current window height
7349 */
7350 static void
7351 ex_resize(eap)
7352 exarg_T *eap;
7353 {
7354 int n;
7355 win_T *wp = curwin;
7356
7357 if (eap->addr_count > 0)
7358 {
7359 n = eap->line2;
7360 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7361 ;
7362 }
7363
7364 #ifdef FEAT_GUI
7365 need_mouse_correct = TRUE;
7366 #endif
7367 n = atol((char *)eap->arg);
7368 #ifdef FEAT_VERTSPLIT
7369 if (cmdmod.split & WSP_VERT)
7370 {
7371 if (*eap->arg == '-' || *eap->arg == '+')
7372 n += W_WIDTH(curwin);
7373 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7374 n = 9999;
7375 win_setwidth_win((int)n, wp);
7376 }
7377 else
7378 #endif
7379 {
7380 if (*eap->arg == '-' || *eap->arg == '+')
7381 n += curwin->w_height;
7382 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7383 n = 9999;
7384 win_setheight_win((int)n, wp);
7385 }
7386 }
7387 #endif
7388
7389 /*
7390 * ":find [+command] <file>" command.
7391 */
7392 static void
7393 ex_find(eap)
7394 exarg_T *eap;
7395 {
7396 #ifdef FEAT_SEARCHPATH
7397 char_u *fname;
7398 int count;
7399
7400 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7401 TRUE, curbuf->b_ffname);
7402 if (eap->addr_count > 0)
7403 {
7404 /* Repeat finding the file "count" times. This matters when it
7405 * appears several times in the path. */
7406 count = eap->line2;
7407 while (fname != NULL && --count > 0)
7408 {
7409 vim_free(fname);
7410 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7411 FALSE, curbuf->b_ffname);
7412 }
7413 }
7414
7415 if (fname != NULL)
7416 {
7417 eap->arg = fname;
7418 #endif
7419 do_exedit(eap, NULL);
7420 #ifdef FEAT_SEARCHPATH
7421 vim_free(fname);
7422 }
7423 #endif
7424 }
7425
7426 /*
7427 * ":open" simulation: for now just work like ":visual".
7428 */
7429 static void
7430 ex_open(eap)
7431 exarg_T *eap;
7432 {
7433 regmatch_T regmatch;
7434 char_u *p;
7435
7436 curwin->w_cursor.lnum = eap->line2;
7437 beginline(BL_SOL | BL_FIX);
7438 if (*eap->arg == '/')
7439 {
7440 /* ":open /pattern/": put cursor in column found with pattern */
7441 ++eap->arg;
7442 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7443 *p = NUL;
7444 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7445 if (regmatch.regprog != NULL)
7446 {
7447 regmatch.rm_ic = p_ic;
7448 p = ml_get_curline();
7449 if (vim_regexec(&regmatch, p, (colnr_T)0))
7450 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7451 else
7452 EMSG(_(e_nomatch));
7453 vim_free(regmatch.regprog);
7454 }
7455 /* Move to the NUL, ignore any other arguments. */
7456 eap->arg += STRLEN(eap->arg);
7457 }
7458 check_cursor();
7459
7460 eap->cmdidx = CMD_visual;
7461 do_exedit(eap, NULL);
7462 }
7463
7464 /*
7465 * ":edit", ":badd", ":visual".
7466 */
7467 static void
7468 ex_edit(eap)
7469 exarg_T *eap;
7470 {
7471 do_exedit(eap, NULL);
7472 }
7473
7474 /*
7475 * ":edit <file>" command and alikes.
7476 */
7477 /*ARGSUSED*/
7478 void
7479 do_exedit(eap, old_curwin)
7480 exarg_T *eap;
7481 win_T *old_curwin; /* curwin before doing a split or NULL */
7482 {
7483 int n;
7484 #ifdef FEAT_WINDOWS
7485 int need_hide;
7486 #endif
7487 int exmode_was = exmode_active;
7488
7489 /*
7490 * ":vi" command ends Ex mode.
7491 */
7492 if (exmode_active && (eap->cmdidx == CMD_visual
7493 || eap->cmdidx == CMD_view))
7494 {
7495 exmode_active = FALSE;
7496 if (*eap->arg == NUL)
7497 {
7498 /* Special case: ":global/pat/visual\NLvi-commands" */
7499 if (global_busy)
7500 {
7501 int rd = RedrawingDisabled;
7502 int nwr = no_wait_return;
7503 int ms = msg_scroll;
7504 #ifdef FEAT_GUI
7505 int he = hold_gui_events;
7506 #endif
7507
7508 if (eap->nextcmd != NULL)
7509 {
7510 stuffReadbuff(eap->nextcmd);
7511 eap->nextcmd = NULL;
7512 }
7513
7514 if (exmode_was != EXMODE_VIM)
7515 settmode(TMODE_RAW);
7516 RedrawingDisabled = 0;
7517 no_wait_return = 0;
7518 need_wait_return = FALSE;
7519 msg_scroll = 0;
7520 #ifdef FEAT_GUI
7521 hold_gui_events = 0;
7522 #endif
7523 must_redraw = CLEAR;
7524
7525 main_loop(FALSE, TRUE);
7526
7527 RedrawingDisabled = rd;
7528 no_wait_return = nwr;
7529 msg_scroll = ms;
7530 #ifdef FEAT_GUI
7531 hold_gui_events = he;
7532 #endif
7533 }
7534 return;
7535 }
7536 }
7537
7538 if ((eap->cmdidx == CMD_new
7539 || eap->cmdidx == CMD_tabnew
7540 || eap->cmdidx == CMD_tabedit
7541 #ifdef FEAT_VERTSPLIT
7542 || eap->cmdidx == CMD_vnew
7543 #endif
7544 ) && *eap->arg == NUL)
7545 {
7546 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7547 setpcmark();
7548 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7549 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7550 old_curwin == NULL ? curwin : NULL);
7551 }
7552 else if ((eap->cmdidx != CMD_split
7553 #ifdef FEAT_VERTSPLIT
7554 && eap->cmdidx != CMD_vsplit
7555 #endif
7556 )
7557 || *eap->arg != NUL
7558 #ifdef FEAT_BROWSE
7559 || cmdmod.browse
7560 #endif
7561 )
7562 {
7563 #ifdef FEAT_AUTOCMD
7564 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7565 * can bring us here, others are stopped earlier. */
7566 if (*eap->arg != NUL && curbuf_locked())
7567 return;
7568 #endif
7569 n = readonlymode;
7570 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7571 readonlymode = TRUE;
7572 else if (eap->cmdidx == CMD_enew)
7573 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7574 empty buffer */
7575 setpcmark();
7576 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7577 NULL, eap,
7578 /* ":edit" goes to first line if Vi compatible */
7579 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7580 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7581 ? ECMD_ONE : eap->do_ecmd_lnum,
7582 (P_HID(curbuf) ? ECMD_HIDE : 0)
7583 + (eap->forceit ? ECMD_FORCEIT : 0)
7584 #ifdef FEAT_LISTCMDS
7585 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7586 #endif
7587 , old_curwin == NULL ? curwin : NULL) == FAIL)
7588 {
7589 /* Editing the file failed. If the window was split, close it. */
7590 #ifdef FEAT_WINDOWS
7591 if (old_curwin != NULL)
7592 {
7593 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7594 if (!need_hide || P_HID(curbuf))
7595 {
7596 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7597 cleanup_T cs;
7598
7599 /* Reset the error/interrupt/exception state here so that
7600 * aborting() returns FALSE when closing a window. */
7601 enter_cleanup(&cs);
7602 # endif
7603 # ifdef FEAT_GUI
7604 need_mouse_correct = TRUE;
7605 # endif
7606 win_close(curwin, !need_hide && !P_HID(curbuf));
7607
7608 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7609 /* Restore the error/interrupt/exception state if not
7610 * discarded by a new aborting error, interrupt, or
7611 * uncaught exception. */
7612 leave_cleanup(&cs);
7613 # endif
7614 }
7615 }
7616 #endif
7617 }
7618 else if (readonlymode && curbuf->b_nwindows == 1)
7619 {
7620 /* When editing an already visited buffer, 'readonly' won't be set
7621 * but the previous value is kept. With ":view" and ":sview" we
7622 * want the file to be readonly, except when another window is
7623 * editing the same buffer. */
7624 curbuf->b_p_ro = TRUE;
7625 }
7626 readonlymode = n;
7627 }
7628 else
7629 {
7630 if (eap->do_ecmd_cmd != NULL)
7631 do_cmdline_cmd(eap->do_ecmd_cmd);
7632 #ifdef FEAT_TITLE
7633 n = curwin->w_arg_idx_invalid;
7634 #endif
7635 check_arg_idx(curwin);
7636 #ifdef FEAT_TITLE
7637 if (n != curwin->w_arg_idx_invalid)
7638 maketitle();
7639 #endif
7640 }
7641
7642 #ifdef FEAT_WINDOWS
7643 /*
7644 * if ":split file" worked, set alternate file name in old window to new
7645 * file
7646 */
7647 if (old_curwin != NULL
7648 && *eap->arg != NUL
7649 && curwin != old_curwin
7650 && win_valid(old_curwin)
7651 && old_curwin->w_buffer != curbuf
7652 && !cmdmod.keepalt)
7653 old_curwin->w_alt_fnum = curbuf->b_fnum;
7654 #endif
7655
7656 ex_no_reprint = TRUE;
7657 }
7658
7659 #ifndef FEAT_GUI
7660 /*
7661 * ":gui" and ":gvim" when there is no GUI.
7662 */
7663 static void
7664 ex_nogui(eap)
7665 exarg_T *eap;
7666 {
7667 eap->errmsg = e_nogvim;
7668 }
7669 #endif
7670
7671 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7672 static void
7673 ex_tearoff(eap)
7674 exarg_T *eap;
7675 {
7676 gui_make_tearoff(eap->arg);
7677 }
7678 #endif
7679
7680 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7681 || defined(FEAT_GUI_MACVIM))
7682 static void
7683 ex_popup(eap)
7684 exarg_T *eap;
7685 {
7686 gui_make_popup(eap->arg, eap->forceit);
7687 }
7688 #endif
7689
7690 /*ARGSUSED*/
7691 static void
7692 ex_swapname(eap)
7693 exarg_T *eap;
7694 {
7695 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7696 MSG(_("No swap file"));
7697 else
7698 msg(curbuf->b_ml.ml_mfp->mf_fname);
7699 }
7700
7701 /*
7702 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7703 * offset.
7704 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7705 */
7706 /*ARGSUSED*/
7707 static void
7708 ex_syncbind(eap)
7709 exarg_T *eap;
7710 {
7711 #ifdef FEAT_SCROLLBIND
7712 win_T *wp;
7713 long topline;
7714 long y;
7715 linenr_T old_linenr = curwin->w_cursor.lnum;
7716
7717 setpcmark();
7718
7719 /*
7720 * determine max topline
7721 */
7722 if (curwin->w_p_scb)
7723 {
7724 topline = curwin->w_topline;
7725 for (wp = firstwin; wp; wp = wp->w_next)
7726 {
7727 if (wp->w_p_scb && wp->w_buffer)
7728 {
7729 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7730 if (topline > y)
7731 topline = y;
7732 }
7733 }
7734 if (topline < 1)
7735 topline = 1;
7736 }
7737 else
7738 {
7739 topline = 1;
7740 }
7741
7742
7743 /*
7744 * set all scrollbind windows to the same topline
7745 */
7746 wp = curwin;
7747 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7748 {
7749 if (curwin->w_p_scb)
7750 {
7751 y = topline - curwin->w_topline;
7752 if (y > 0)
7753 scrollup(y, TRUE);
7754 else
7755 scrolldown(-y, TRUE);
7756 curwin->w_scbind_pos = topline;
7757 redraw_later(VALID);
7758 cursor_correct();
7759 #ifdef FEAT_WINDOWS
7760 curwin->w_redr_status = TRUE;
7761 #endif
7762 }
7763 }
7764 curwin = wp;
7765 if (curwin->w_p_scb)
7766 {
7767 did_syncbind = TRUE;
7768 checkpcmark();
7769 if (old_linenr != curwin->w_cursor.lnum)
7770 {
7771 char_u ctrl_o[2];
7772
7773 ctrl_o[0] = Ctrl_O;
7774 ctrl_o[1] = 0;
7775 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7776 }
7777 }
7778 #endif
7779 }
7780
7781
7782 static void
7783 ex_read(eap)
7784 exarg_T *eap;
7785 {
7786 int i;
7787 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7788 linenr_T lnum;
7789
7790 if (eap->usefilter) /* :r!cmd */
7791 do_bang(1, eap, FALSE, FALSE, TRUE);
7792 else
7793 {
7794 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7795 return;
7796
7797 #ifdef FEAT_BROWSE
7798 if (cmdmod.browse)
7799 {
7800 char_u *browseFile;
7801
7802 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7803 NULL, NULL, NULL, curbuf);
7804 if (browseFile != NULL)
7805 {
7806 i = readfile(browseFile, NULL,
7807 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7808 vim_free(browseFile);
7809 }
7810 else
7811 i = OK;
7812 }
7813 else
7814 #endif
7815 if (*eap->arg == NUL)
7816 {
7817 if (check_fname() == FAIL) /* check for no file name */
7818 return;
7819 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7820 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7821 }
7822 else
7823 {
7824 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7825 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7826 i = readfile(eap->arg, NULL,
7827 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7828
7829 }
7830 if (i == FAIL)
7831 {
7832 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7833 if (!aborting())
7834 #endif
7835 EMSG2(_(e_notopen), eap->arg);
7836 }
7837 else
7838 {
7839 if (empty && exmode_active)
7840 {
7841 /* Delete the empty line that remains. Historically ex does
7842 * this but vi doesn't. */
7843 if (eap->line2 == 0)
7844 lnum = curbuf->b_ml.ml_line_count;
7845 else
7846 lnum = 1;
7847 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7848 {
7849 ml_delete(lnum, FALSE);
7850 deleted_lines_mark(lnum, 1L);
7851 if (curwin->w_cursor.lnum > 1
7852 && curwin->w_cursor.lnum >= lnum)
7853 --curwin->w_cursor.lnum;
7854 }
7855 }
7856 redraw_curbuf_later(VALID);
7857 }
7858 }
7859 }
7860
7861 static char_u *prev_dir = NULL;
7862
7863 #if defined(EXITFREE) || defined(PROTO)
7864 void
7865 free_cd_dir()
7866 {
7867 vim_free(prev_dir);
7868 prev_dir = NULL;
7869 }
7870 #endif
7871
7872
7873 /*
7874 * ":cd", ":lcd", ":chdir" and ":lchdir".
7875 */
7876 void
7877 ex_cd(eap)
7878 exarg_T *eap;
7879 {
7880 char_u *new_dir;
7881 char_u *tofree;
7882
7883 new_dir = eap->arg;
7884 #if !defined(UNIX) && !defined(VMS)
7885 /* for non-UNIX ":cd" means: print current directory */
7886 if (*new_dir == NUL)
7887 ex_pwd(NULL);
7888 else
7889 #endif
7890 {
7891 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7892 && !eap->forceit)
7893 {
7894 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7895 return;
7896 }
7897
7898 /* ":cd -": Change to previous directory */
7899 if (STRCMP(new_dir, "-") == 0)
7900 {
7901 if (prev_dir == NULL)
7902 {
7903 EMSG(_("E186: No previous directory"));
7904 return;
7905 }
7906 new_dir = prev_dir;
7907 }
7908
7909 /* Save current directory for next ":cd -" */
7910 tofree = prev_dir;
7911 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7912 prev_dir = vim_strsave(NameBuff);
7913 else
7914 prev_dir = NULL;
7915
7916 #if defined(UNIX) || defined(VMS)
7917 /* for UNIX ":cd" means: go to home directory */
7918 if (*new_dir == NUL)
7919 {
7920 /* use NameBuff for home directory name */
7921 # ifdef VMS
7922 char_u *p;
7923
7924 p = mch_getenv((char_u *)"SYS$LOGIN");
7925 if (p == NULL || *p == NUL) /* empty is the same as not set */
7926 NameBuff[0] = NUL;
7927 else
7928 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7929 # else
7930 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7931 # endif
7932 new_dir = NameBuff;
7933 }
7934 #endif
7935 if (new_dir == NULL || vim_chdir(new_dir))
7936 EMSG(_(e_failed));
7937 else
7938 {
7939 vim_free(curwin->w_localdir);
7940 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7941 {
7942 /* If still in global directory, need to remember current
7943 * directory as global directory. */
7944 if (globaldir == NULL && prev_dir != NULL)
7945 globaldir = vim_strsave(prev_dir);
7946 /* Remember this local directory for the window. */
7947 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7948 curwin->w_localdir = vim_strsave(NameBuff);
7949 }
7950 else
7951 {
7952 /* We are now in the global directory, no need to remember its
7953 * name. */
7954 vim_free(globaldir);
7955 globaldir = NULL;
7956 curwin->w_localdir = NULL;
7957 }
7958
7959 shorten_fnames(TRUE);
7960
7961 /* Echo the new current directory if the command was typed. */
7962 if (KeyTyped)
7963 ex_pwd(eap);
7964 }
7965 vim_free(tofree);
7966 }
7967 }
7968
7969 /*
7970 * ":pwd".
7971 */
7972 /*ARGSUSED*/
7973 static void
7974 ex_pwd(eap)
7975 exarg_T *eap;
7976 {
7977 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7978 {
7979 #ifdef BACKSLASH_IN_FILENAME
7980 slash_adjust(NameBuff);
7981 #endif
7982 msg(NameBuff);
7983 }
7984 else
7985 EMSG(_("E187: Unknown"));
7986 }
7987
7988 /*
7989 * ":=".
7990 */
7991 static void
7992 ex_equal(eap)
7993 exarg_T *eap;
7994 {
7995 smsg((char_u *)"%ld", (long)eap->line2);
7996 ex_may_print(eap);
7997 }
7998
7999 static void
8000 ex_sleep(eap)
8001 exarg_T *eap;
8002 {
8003 int n;
8004 long len;
8005
8006 if (cursor_valid())
8007 {
8008 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8009 if (n >= 0)
8010 windgoto((int)n, curwin->w_wcol);
8011 }
8012
8013 len = eap->line2;
8014 switch (*eap->arg)
8015 {
8016 case 'm': break;
8017 case NUL: len *= 1000L; break;
8018 default: EMSG2(_(e_invarg2), eap->arg); return;
8019 }
8020 do_sleep(len);
8021 }
8022
8023 /*
8024 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8025 */
8026 void
8027 do_sleep(msec)
8028 long msec;
8029 {
8030 long done;
8031
8032 cursor_on();
8033 out_flush();
8034 for (done = 0; !got_int && done < msec; done += 1000L)
8035 {
8036 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8037 ui_breakcheck();
8038 }
8039 }
8040
8041 static void
8042 do_exmap(eap, isabbrev)
8043 exarg_T *eap;
8044 int isabbrev;
8045 {
8046 int mode;
8047 char_u *cmdp;
8048
8049 cmdp = eap->cmd;
8050 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8051
8052 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8053 eap->arg, mode, isabbrev))
8054 {
8055 case 1: EMSG(_(e_invarg));
8056 break;
8057 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8058 break;
8059 }
8060 }
8061
8062 /*
8063 * ":winsize" command (obsolete).
8064 */
8065 static void
8066 ex_winsize(eap)
8067 exarg_T *eap;
8068 {
8069 int w, h;
8070 char_u *arg = eap->arg;
8071 char_u *p;
8072
8073 w = getdigits(&arg);
8074 arg = skipwhite(arg);
8075 p = arg;
8076 h = getdigits(&arg);
8077 if (*p != NUL && *arg == NUL)
8078 set_shellsize(w, h, TRUE);
8079 else
8080 EMSG(_("E465: :winsize requires two number arguments"));
8081 }
8082
8083 #ifdef FEAT_WINDOWS
8084 static void
8085 ex_wincmd(eap)
8086 exarg_T *eap;
8087 {
8088 int xchar = NUL;
8089 char_u *p;
8090
8091 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8092 {
8093 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8094 if (eap->arg[1] == NUL)
8095 {
8096 EMSG(_(e_invarg));
8097 return;
8098 }
8099 xchar = eap->arg[1];
8100 p = eap->arg + 2;
8101 }
8102 else
8103 p = eap->arg + 1;
8104
8105 eap->nextcmd = check_nextcmd(p);
8106 p = skipwhite(p);
8107 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8108 EMSG(_(e_invarg));
8109 else
8110 {
8111 /* Pass flags on for ":vertical wincmd ]". */
8112 postponed_split_flags = cmdmod.split;
8113 postponed_split_tab = cmdmod.tab;
8114 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8115 postponed_split_flags = 0;
8116 postponed_split_tab = 0;
8117 }
8118 }
8119 #endif
8120
8121 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8122 /*
8123 * ":winpos".
8124 */
8125 static void
8126 ex_winpos(eap)
8127 exarg_T *eap;
8128 {
8129 int x, y;
8130 char_u *arg = eap->arg;
8131 char_u *p;
8132
8133 if (*arg == NUL)
8134 {
8135 # if defined(FEAT_GUI) || defined(MSWIN)
8136 # ifdef FEAT_GUI
8137 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8138 # else
8139 if (mch_get_winpos(&x, &y) != FAIL)
8140 # endif
8141 {
8142 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8143 msg(IObuff);
8144 }
8145 else
8146 # endif
8147 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8148 }
8149 else
8150 {
8151 x = getdigits(&arg);
8152 arg = skipwhite(arg);
8153 p = arg;
8154 y = getdigits(&arg);
8155 if (*p == NUL || *arg != NUL)
8156 {
8157 EMSG(_("E466: :winpos requires two number arguments"));
8158 return;
8159 }
8160 # ifdef FEAT_GUI
8161 if (gui.in_use)
8162 gui_mch_set_winpos(x, y);
8163 else if (gui.starting)
8164 {
8165 /* Remember the coordinates for when the window is opened. */
8166 gui_win_x = x;
8167 gui_win_y = y;
8168 }
8169 # ifdef HAVE_TGETENT
8170 else
8171 # endif
8172 # else
8173 # ifdef MSWIN
8174 mch_set_winpos(x, y);
8175 # endif
8176 # endif
8177 # ifdef HAVE_TGETENT
8178 if (*T_CWP)
8179 term_set_winpos(x, y);
8180 # endif
8181 }
8182 }
8183 #endif
8184
8185 /*
8186 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8187 */
8188 static void
8189 ex_operators(eap)
8190 exarg_T *eap;
8191 {
8192 oparg_T oa;
8193
8194 clear_oparg(&oa);
8195 oa.regname = eap->regname;
8196 oa.start.lnum = eap->line1;
8197 oa.end.lnum = eap->line2;
8198 oa.line_count = eap->line2 - eap->line1 + 1;
8199 oa.motion_type = MLINE;
8200 #ifdef FEAT_VIRTUALEDIT
8201 virtual_op = FALSE;
8202 #endif
8203 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8204 {
8205 setpcmark();
8206 curwin->w_cursor.lnum = eap->line1;
8207 beginline(BL_SOL | BL_FIX);
8208 }
8209
8210 switch (eap->cmdidx)
8211 {
8212 case CMD_delete:
8213 oa.op_type = OP_DELETE;
8214 op_delete(&oa);
8215 break;
8216
8217 case CMD_yank:
8218 oa.op_type = OP_YANK;
8219 (void)op_yank(&oa, FALSE, TRUE);
8220 break;
8221
8222 default: /* CMD_rshift or CMD_lshift */
8223 if ((eap->cmdidx == CMD_rshift)
8224 #ifdef FEAT_RIGHTLEFT
8225 ^ curwin->w_p_rl
8226 #endif
8227 )
8228 oa.op_type = OP_RSHIFT;
8229 else
8230 oa.op_type = OP_LSHIFT;
8231 op_shift(&oa, FALSE, eap->amount);
8232 break;
8233 }
8234 #ifdef FEAT_VIRTUALEDIT
8235 virtual_op = MAYBE;
8236 #endif
8237 ex_may_print(eap);
8238 }
8239
8240 /*
8241 * ":put".
8242 */
8243 static void
8244 ex_put(eap)
8245 exarg_T *eap;
8246 {
8247 /* ":0put" works like ":1put!". */
8248 if (eap->line2 == 0)
8249 {
8250 eap->line2 = 1;
8251 eap->forceit = TRUE;
8252 }
8253 curwin->w_cursor.lnum = eap->line2;
8254 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8255 PUT_LINE|PUT_CURSLINE);
8256 }
8257
8258 /*
8259 * Handle ":copy" and ":move".
8260 */
8261 static void
8262 ex_copymove(eap)
8263 exarg_T *eap;
8264 {
8265 long n;
8266
8267 n = get_address(&eap->arg, FALSE, FALSE);
8268 if (eap->arg == NULL) /* error detected */
8269 {
8270 eap->nextcmd = NULL;
8271 return;
8272 }
8273 get_flags(eap);
8274
8275 /*
8276 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8277 */
8278 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8279 {
8280 EMSG(_(e_invaddr));
8281 return;
8282 }
8283
8284 if (eap->cmdidx == CMD_move)
8285 {
8286 if (do_move(eap->line1, eap->line2, n) == FAIL)
8287 return;
8288 }
8289 else
8290 ex_copy(eap->line1, eap->line2, n);
8291 u_clearline();
8292 beginline(BL_SOL | BL_FIX);
8293 ex_may_print(eap);
8294 }
8295
8296 /*
8297 * Print the current line if flags were given to the Ex command.
8298 */
8299 static void
8300 ex_may_print(eap)
8301 exarg_T *eap;
8302 {
8303 if (eap->flags != 0)
8304 {
8305 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8306 (eap->flags & EXFLAG_LIST));
8307 ex_no_reprint = TRUE;
8308 }
8309 }
8310
8311 /*
8312 * ":smagic" and ":snomagic".
8313 */
8314 static void
8315 ex_submagic(eap)
8316 exarg_T *eap;
8317 {
8318 int magic_save = p_magic;
8319
8320 p_magic = (eap->cmdidx == CMD_smagic);
8321 do_sub(eap);
8322 p_magic = magic_save;
8323 }
8324
8325 /*
8326 * ":join".
8327 */
8328 static void
8329 ex_join(eap)
8330 exarg_T *eap;
8331 {
8332 curwin->w_cursor.lnum = eap->line1;
8333 if (eap->line1 == eap->line2)
8334 {
8335 if (eap->addr_count >= 2) /* :2,2join does nothing */
8336 return;
8337 if (eap->line2 == curbuf->b_ml.ml_line_count)
8338 {
8339 beep_flush();
8340 return;
8341 }
8342 ++eap->line2;
8343 }
8344 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8345 beginline(BL_WHITE | BL_FIX);
8346 ex_may_print(eap);
8347 }
8348
8349 /*
8350 * ":[addr]@r" or ":[addr]*r": execute register
8351 */
8352 static void
8353 ex_at(eap)
8354 exarg_T *eap;
8355 {
8356 int c;
8357
8358 curwin->w_cursor.lnum = eap->line2;
8359
8360 #ifdef USE_ON_FLY_SCROLL
8361 dont_scroll = TRUE; /* disallow scrolling here */
8362 #endif
8363
8364 /* get the register name. No name means to use the previous one */
8365 c = *eap->arg;
8366 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8367 c = '@';
8368 /* Put the register in the typeahead buffer with the "silent" flag. */
8369 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8370 == FAIL)
8371 {
8372 beep_flush();
8373 }
8374 else
8375 {
8376 int save_efr = exec_from_reg;
8377
8378 exec_from_reg = TRUE;
8379
8380 /*
8381 * Execute from the typeahead buffer.
8382 * Originally this didn't check for the typeahead buffer to be empty,
8383 * thus could read more Ex commands from stdin. It's not clear why,
8384 * it is certainly unexpected.
8385 */
8386 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8387 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8388
8389 exec_from_reg = save_efr;
8390 }
8391 }
8392
8393 /*
8394 * ":!".
8395 */
8396 static void
8397 ex_bang(eap)
8398 exarg_T *eap;
8399 {
8400 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8401 }
8402
8403 /*
8404 * ":undo".
8405 */
8406 /*ARGSUSED*/
8407 static void
8408 ex_undo(eap)
8409 exarg_T *eap;
8410 {
8411 if (eap->addr_count == 1) /* :undo 123 */
8412 undo_time(eap->line2, FALSE, TRUE);
8413 else
8414 u_undo(1);
8415 }
8416
8417 /*
8418 * ":redo".
8419 */
8420 /*ARGSUSED*/
8421 static void
8422 ex_redo(eap)
8423 exarg_T *eap;
8424 {
8425 u_redo(1);
8426 }
8427
8428 /*
8429 * ":earlier" and ":later".
8430 */
8431 /*ARGSUSED*/
8432 static void
8433 ex_later(eap)
8434 exarg_T *eap;
8435 {
8436 long count = 0;
8437 int sec = FALSE;
8438 char_u *p = eap->arg;
8439
8440 if (*p == NUL)
8441 count = 1;
8442 else if (isdigit(*p))
8443 {
8444 count = getdigits(&p);
8445 switch (*p)
8446 {
8447 case 's': ++p; sec = TRUE; break;
8448 case 'm': ++p; sec = TRUE; count *= 60; break;
8449 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8450 }
8451 }
8452
8453 if (*p != NUL)
8454 EMSG2(_(e_invarg2), eap->arg);
8455 else
8456 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8457 }
8458
8459 /*
8460 * ":redir": start/stop redirection.
8461 */
8462 static void
8463 ex_redir(eap)
8464 exarg_T *eap;
8465 {
8466 char *mode;
8467 char_u *fname;
8468 char_u *arg = eap->arg;
8469
8470 if (STRICMP(eap->arg, "END") == 0)
8471 close_redir();
8472 else
8473 {
8474 if (*arg == '>')
8475 {
8476 ++arg;
8477 if (*arg == '>')
8478 {
8479 ++arg;
8480 mode = "a";
8481 }
8482 else
8483 mode = "w";
8484 arg = skipwhite(arg);
8485
8486 close_redir();
8487
8488 /* Expand environment variables and "~/". */
8489 fname = expand_env_save(arg);
8490 if (fname == NULL)
8491 return;
8492 #ifdef FEAT_BROWSE
8493 if (cmdmod.browse)
8494 {
8495 char_u *browseFile;
8496
8497 browseFile = do_browse(BROWSE_SAVE,
8498 (char_u *)_("Save Redirection"),
8499 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8500 if (browseFile == NULL)
8501 return; /* operation cancelled */
8502 vim_free(fname);
8503 fname = browseFile;
8504 eap->forceit = TRUE; /* since dialog already asked */
8505 }
8506 #endif
8507
8508 redir_fd = open_exfile(fname, eap->forceit, mode);
8509 vim_free(fname);
8510 }
8511 #ifdef FEAT_EVAL
8512 else if (*arg == '@')
8513 {
8514 /* redirect to a register a-z (resp. A-Z for appending) */
8515 close_redir();
8516 ++arg;
8517 if (ASCII_ISALPHA(*arg)
8518 # ifdef FEAT_CLIPBOARD
8519 || *arg == '*'
8520 || *arg == '+'
8521 # endif
8522 || *arg == '"')
8523 {
8524 redir_reg = *arg++;
8525 if (*arg == '>' && arg[1] == '>') /* append */
8526 arg += 2;
8527 else
8528 {
8529 /* Can use both "@a" and "@a>". */
8530 if (*arg == '>')
8531 arg++;
8532 /* Make register empty when not using @A-@Z and the
8533 * command is valid. */
8534 if (*arg == NUL && !isupper(redir_reg))
8535 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8536 }
8537 }
8538 if (*arg != NUL)
8539 {
8540 redir_reg = 0;
8541 EMSG2(_(e_invarg2), eap->arg);
8542 }
8543 }
8544 else if (*arg == '=' && arg[1] == '>')
8545 {
8546 int append;
8547
8548 /* redirect to a variable */
8549 close_redir();
8550 arg += 2;
8551
8552 if (*arg == '>')
8553 {
8554 ++arg;
8555 append = TRUE;
8556 }
8557 else
8558 append = FALSE;
8559
8560 if (var_redir_start(skipwhite(arg), append) == OK)
8561 redir_vname = 1;
8562 }
8563 #endif
8564
8565 /* TODO: redirect to a buffer */
8566
8567 else
8568 EMSG2(_(e_invarg2), eap->arg);
8569 }
8570
8571 /* Make sure redirection is not off. Can happen for cmdline completion
8572 * that indirectly invokes a command to catch its output. */
8573 if (redir_fd != NULL
8574 #ifdef FEAT_EVAL
8575 || redir_reg || redir_vname
8576 #endif
8577 )
8578 redir_off = FALSE;
8579 }
8580
8581 /*
8582 * ":redraw": force redraw
8583 */
8584 static void
8585 ex_redraw(eap)
8586 exarg_T *eap;
8587 {
8588 int r = RedrawingDisabled;
8589 int p = p_lz;
8590
8591 RedrawingDisabled = 0;
8592 p_lz = FALSE;
8593 update_topline();
8594 update_screen(eap->forceit ? CLEAR :
8595 #ifdef FEAT_VISUAL
8596 VIsual_active ? INVERTED :
8597 #endif
8598 0);
8599 #ifdef FEAT_TITLE
8600 if (need_maketitle)
8601 maketitle();
8602 #endif
8603 RedrawingDisabled = r;
8604 p_lz = p;
8605
8606 /* Reset msg_didout, so that a message that's there is overwritten. */
8607 msg_didout = FALSE;
8608 msg_col = 0;
8609
8610 out_flush();
8611 }
8612
8613 /*
8614 * ":redrawstatus": force redraw of status line(s)
8615 */
8616 /*ARGSUSED*/
8617 static void
8618 ex_redrawstatus(eap)
8619 exarg_T *eap;
8620 {
8621 #if defined(FEAT_WINDOWS)
8622 int r = RedrawingDisabled;
8623 int p = p_lz;
8624
8625 RedrawingDisabled = 0;
8626 p_lz = FALSE;
8627 if (eap->forceit)
8628 status_redraw_all();
8629 else
8630 status_redraw_curbuf();
8631 update_screen(
8632 # ifdef FEAT_VISUAL
8633 VIsual_active ? INVERTED :
8634 # endif
8635 0);
8636 RedrawingDisabled = r;
8637 p_lz = p;
8638 out_flush();
8639 #endif
8640 }
8641
8642 static void
8643 close_redir()
8644 {
8645 if (redir_fd != NULL)
8646 {
8647 fclose(redir_fd);
8648 redir_fd = NULL;
8649 }
8650 #ifdef FEAT_EVAL
8651 redir_reg = 0;
8652 if (redir_vname)
8653 {
8654 var_redir_stop();
8655 redir_vname = 0;
8656 }
8657 #endif
8658 }
8659
8660 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8661 # define MKSESSION_NL
8662 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8663 #endif
8664
8665 /*
8666 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8667 */
8668 static void
8669 ex_mkrc(eap)
8670 exarg_T *eap;
8671 {
8672 FILE *fd;
8673 int failed = FALSE;
8674 char_u *fname;
8675 #ifdef FEAT_BROWSE
8676 char_u *browseFile = NULL;
8677 #endif
8678 #ifdef FEAT_SESSION
8679 int view_session = FALSE;
8680 int using_vdir = FALSE; /* using 'viewdir'? */
8681 char_u *viewFile = NULL;
8682 unsigned *flagp;
8683 #endif
8684
8685 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8686 {
8687 #ifdef FEAT_SESSION
8688 view_session = TRUE;
8689 #else
8690 ex_ni(eap);
8691 return;
8692 #endif
8693 }
8694
8695 #ifdef FEAT_SESSION
8696 did_lcd = FALSE;
8697
8698 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8699 if (eap->cmdidx == CMD_mkview
8700 && (*eap->arg == NUL
8701 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8702 {
8703 eap->forceit = TRUE;
8704 fname = get_view_file(*eap->arg);
8705 if (fname == NULL)
8706 return;
8707 viewFile = fname;
8708 using_vdir = TRUE;
8709 }
8710 else
8711 #endif
8712 if (*eap->arg != NUL)
8713 fname = eap->arg;
8714 else if (eap->cmdidx == CMD_mkvimrc)
8715 fname = (char_u *)VIMRC_FILE;
8716 #ifdef FEAT_SESSION
8717 else if (eap->cmdidx == CMD_mksession)
8718 fname = (char_u *)SESSION_FILE;
8719 #endif
8720 else
8721 fname = (char_u *)EXRC_FILE;
8722
8723 #ifdef FEAT_BROWSE
8724 if (cmdmod.browse)
8725 {
8726 browseFile = do_browse(BROWSE_SAVE,
8727 # ifdef FEAT_SESSION
8728 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8729 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8730 # endif
8731 (char_u *)_("Save Setup"),
8732 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8733 if (browseFile == NULL)
8734 goto theend;
8735 fname = browseFile;
8736 eap->forceit = TRUE; /* since dialog already asked */
8737 }
8738 #endif
8739
8740 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8741 /* When using 'viewdir' may have to create the directory. */
8742 if (using_vdir && !mch_isdir(p_vdir))
8743 vim_mkdir_emsg(p_vdir, 0755);
8744 #endif
8745
8746 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8747 if (fd != NULL)
8748 {
8749 #ifdef FEAT_SESSION
8750 if (eap->cmdidx == CMD_mkview)
8751 flagp = &vop_flags;
8752 else
8753 flagp = &ssop_flags;
8754 #endif
8755
8756 #ifdef MKSESSION_NL
8757 /* "unix" in 'sessionoptions': use NL line separator */
8758 if (view_session && (*flagp & SSOP_UNIX))
8759 mksession_nl = TRUE;
8760 #endif
8761
8762 /* Write the version command for :mkvimrc */
8763 if (eap->cmdidx == CMD_mkvimrc)
8764 (void)put_line(fd, "version 6.0");
8765
8766 #ifdef FEAT_SESSION
8767 if (eap->cmdidx == CMD_mksession)
8768 {
8769 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8770 failed = TRUE;
8771 }
8772
8773 if (eap->cmdidx != CMD_mkview)
8774 #endif
8775 {
8776 /* Write setting 'compatible' first, because it has side effects.
8777 * For that same reason only do it when needed. */
8778 if (p_cp)
8779 (void)put_line(fd, "if !&cp | set cp | endif");
8780 else
8781 (void)put_line(fd, "if &cp | set nocp | endif");
8782 }
8783
8784 #ifdef FEAT_SESSION
8785 if (!view_session
8786 || (eap->cmdidx == CMD_mksession
8787 && (*flagp & SSOP_OPTIONS)))
8788 #endif
8789 failed |= (makemap(fd, NULL) == FAIL
8790 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8791
8792 #ifdef FEAT_SESSION
8793 if (!failed && view_session)
8794 {
8795 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8796 failed = TRUE;
8797 if (eap->cmdidx == CMD_mksession)
8798 {
8799 char_u dirnow[MAXPATHL]; /* current directory */
8800
8801 /*
8802 * Change to session file's dir.
8803 */
8804 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8805 || mch_chdir((char *)dirnow) != 0)
8806 *dirnow = NUL;
8807 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8808 {
8809 if (vim_chdirfile(fname) == OK)
8810 shorten_fnames(TRUE);
8811 }
8812 else if (*dirnow != NUL
8813 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8814 {
8815 if (mch_chdir((char *)globaldir) == OK)
8816 shorten_fnames(TRUE);
8817 }
8818
8819 failed |= (makeopens(fd, dirnow) == FAIL);
8820
8821 /* restore original dir */
8822 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8823 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8824 {
8825 if (mch_chdir((char *)dirnow) != 0)
8826 EMSG(_(e_prev_dir));
8827 shorten_fnames(TRUE);
8828 }
8829 }
8830 else
8831 {
8832 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8833 -1) == FAIL);
8834 }
8835 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8836 == FAIL)
8837 failed = TRUE;
8838 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8839 failed = TRUE;
8840 if (eap->cmdidx == CMD_mksession)
8841 {
8842 if (put_line(fd, "unlet SessionLoad") == FAIL)
8843 failed = TRUE;
8844 }
8845 }
8846 #endif
8847 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8848 failed = TRUE;
8849
8850 failed |= fclose(fd);
8851
8852 if (failed)
8853 EMSG(_(e_write));
8854 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8855 else if (eap->cmdidx == CMD_mksession)
8856 {
8857 /* successful session write - set this_session var */
8858 char_u tbuf[MAXPATHL];
8859
8860 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8861 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8862 }
8863 #endif
8864 #ifdef MKSESSION_NL
8865 mksession_nl = FALSE;
8866 #endif
8867 }
8868
8869 #ifdef FEAT_BROWSE
8870 theend:
8871 vim_free(browseFile);
8872 #endif
8873 #ifdef FEAT_SESSION
8874 vim_free(viewFile);
8875 #endif
8876 }
8877
8878 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8879 || defined(PROTO)
8880 /*ARGSUSED*/
8881 int
8882 vim_mkdir_emsg(name, prot)
8883 char_u *name;
8884 int prot;
8885 {
8886 if (vim_mkdir(name, prot) != 0)
8887 {
8888 EMSG2(_("E739: Cannot create directory: %s"), name);
8889 return FAIL;
8890 }
8891 return OK;
8892 }
8893 #endif
8894
8895 /*
8896 * Open a file for writing for an Ex command, with some checks.
8897 * Return file descriptor, or NULL on failure.
8898 */
8899 FILE *
8900 open_exfile(fname, forceit, mode)
8901 char_u *fname;
8902 int forceit;
8903 char *mode; /* "w" for create new file or "a" for append */
8904 {
8905 FILE *fd;
8906
8907 #ifdef UNIX
8908 /* with Unix it is possible to open a directory */
8909 if (mch_isdir(fname))
8910 {
8911 EMSG2(_(e_isadir2), fname);
8912 return NULL;
8913 }
8914 #endif
8915 if (!forceit && *mode != 'a' && vim_fexists(fname))
8916 {
8917 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8918 return NULL;
8919 }
8920
8921 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8922 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8923
8924 return fd;
8925 }
8926
8927 /*
8928 * ":mark" and ":k".
8929 */
8930 static void
8931 ex_mark(eap)
8932 exarg_T *eap;
8933 {
8934 pos_T pos;
8935
8936 if (*eap->arg == NUL) /* No argument? */
8937 EMSG(_(e_argreq));
8938 else if (eap->arg[1] != NUL) /* more than one character? */
8939 EMSG(_(e_trailing));
8940 else
8941 {
8942 pos = curwin->w_cursor; /* save curwin->w_cursor */
8943 curwin->w_cursor.lnum = eap->line2;
8944 beginline(BL_WHITE | BL_FIX);
8945 if (setmark(*eap->arg) == FAIL) /* set mark */
8946 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8947 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8948 }
8949 }
8950
8951 /*
8952 * Update w_topline, w_leftcol and the cursor position.
8953 */
8954 void
8955 update_topline_cursor()
8956 {
8957 check_cursor(); /* put cursor on valid line */
8958 update_topline();
8959 if (!curwin->w_p_wrap)
8960 validate_cursor();
8961 update_curswant();
8962 }
8963
8964 #ifdef FEAT_EX_EXTRA
8965 /*
8966 * ":normal[!] {commands}": Execute normal mode commands.
8967 */
8968 static void
8969 ex_normal(eap)
8970 exarg_T *eap;
8971 {
8972 int save_msg_scroll = msg_scroll;
8973 int save_restart_edit = restart_edit;
8974 int save_msg_didout = msg_didout;
8975 int save_State = State;
8976 tasave_T tabuf;
8977 int save_insertmode = p_im;
8978 int save_finish_op = finish_op;
8979 int save_opcount = opcount;
8980 #ifdef FEAT_MBYTE
8981 char_u *arg = NULL;
8982 int l;
8983 char_u *p;
8984 #endif
8985
8986 if (ex_normal_lock > 0)
8987 {
8988 EMSG(_(e_secure));
8989 return;
8990 }
8991 if (ex_normal_busy >= p_mmd)
8992 {
8993 EMSG(_("E192: Recursive use of :normal too deep"));
8994 return;
8995 }
8996 ++ex_normal_busy;
8997
8998 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8999 restart_edit = 0; /* don't go to Insert mode */
9000 p_im = FALSE; /* don't use 'insertmode' */
9001
9002 #ifdef FEAT_MBYTE
9003 /*
9004 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9005 * this for the K_SPECIAL leading byte, otherwise special keys will not
9006 * work.
9007 */
9008 if (has_mbyte)
9009 {
9010 int len = 0;
9011
9012 /* Count the number of characters to be escaped. */
9013 for (p = eap->arg; *p != NUL; ++p)
9014 {
9015 # ifdef FEAT_GUI
9016 if (*p == CSI) /* leadbyte CSI */
9017 len += 2;
9018 # endif
9019 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9020 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9021 # ifdef FEAT_GUI
9022 || *p == CSI
9023 # endif
9024 )
9025 len += 2;
9026 }
9027 if (len > 0)
9028 {
9029 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9030 if (arg != NULL)
9031 {
9032 len = 0;
9033 for (p = eap->arg; *p != NUL; ++p)
9034 {
9035 arg[len++] = *p;
9036 # ifdef FEAT_GUI
9037 if (*p == CSI)
9038 {
9039 arg[len++] = KS_EXTRA;
9040 arg[len++] = (int)KE_CSI;
9041 }
9042 # endif
9043 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9044 {
9045 arg[len++] = *++p;
9046 if (*p == K_SPECIAL)
9047 {
9048 arg[len++] = KS_SPECIAL;
9049 arg[len++] = KE_FILLER;
9050 }
9051 # ifdef FEAT_GUI
9052 else if (*p == CSI)
9053 {
9054 arg[len++] = KS_EXTRA;
9055 arg[len++] = (int)KE_CSI;
9056 }
9057 # endif
9058 }
9059 arg[len] = NUL;
9060 }
9061 }
9062 }
9063 }
9064 #endif
9065
9066 /*
9067 * Save the current typeahead. This is required to allow using ":normal"
9068 * from an event handler and makes sure we don't hang when the argument
9069 * ends with half a command.
9070 */
9071 save_typeahead(&tabuf);
9072 if (tabuf.typebuf_valid)
9073 {
9074 /*
9075 * Repeat the :normal command for each line in the range. When no
9076 * range given, execute it just once, without positioning the cursor
9077 * first.
9078 */
9079 do
9080 {
9081 if (eap->addr_count != 0)
9082 {
9083 curwin->w_cursor.lnum = eap->line1++;
9084 curwin->w_cursor.col = 0;
9085 }
9086
9087 exec_normal_cmd(
9088 #ifdef FEAT_MBYTE
9089 arg != NULL ? arg :
9090 #endif
9091 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9092 }
9093 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9094 }
9095
9096 /* Might not return to the main loop when in an event handler. */
9097 update_topline_cursor();
9098
9099 /* Restore the previous typeahead. */
9100 restore_typeahead(&tabuf);
9101
9102 --ex_normal_busy;
9103 msg_scroll = save_msg_scroll;
9104 restart_edit = save_restart_edit;
9105 p_im = save_insertmode;
9106 finish_op = save_finish_op;
9107 opcount = save_opcount;
9108 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9109
9110 /* Restore the state (needed when called from a function executed for
9111 * 'indentexpr'). */
9112 State = save_State;
9113 #ifdef FEAT_MBYTE
9114 vim_free(arg);
9115 #endif
9116 }
9117
9118 /*
9119 * ":startinsert", ":startreplace" and ":startgreplace"
9120 */
9121 static void
9122 ex_startinsert(eap)
9123 exarg_T *eap;
9124 {
9125 if (eap->forceit)
9126 {
9127 coladvance((colnr_T)MAXCOL);
9128 curwin->w_curswant = MAXCOL;
9129 curwin->w_set_curswant = FALSE;
9130 }
9131
9132 /* Ignore the command when already in Insert mode. Inserting an
9133 * expression register that invokes a function can do this. */
9134 if (State & INSERT)
9135 return;
9136
9137 if (eap->cmdidx == CMD_startinsert)
9138 restart_edit = 'a';
9139 else if (eap->cmdidx == CMD_startreplace)
9140 restart_edit = 'R';
9141 else
9142 restart_edit = 'V';
9143
9144 if (!eap->forceit)
9145 {
9146 if (eap->cmdidx == CMD_startinsert)
9147 restart_edit = 'i';
9148 curwin->w_curswant = 0; /* avoid MAXCOL */
9149 }
9150 }
9151
9152 /*
9153 * ":stopinsert"
9154 */
9155 /*ARGSUSED*/
9156 static void
9157 ex_stopinsert(eap)
9158 exarg_T *eap;
9159 {
9160 restart_edit = 0;
9161 stop_insert_mode = TRUE;
9162 }
9163 #endif
9164
9165 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9166 /*
9167 * Execute normal mode command "cmd".
9168 * "remap" can be REMAP_NONE or REMAP_YES.
9169 */
9170 void
9171 exec_normal_cmd(cmd, remap, silent)
9172 char_u *cmd;
9173 int remap;
9174 int silent;
9175 {
9176 oparg_T oa;
9177
9178 /*
9179 * Stuff the argument into the typeahead buffer.
9180 * Execute normal_cmd() until there is no typeahead left.
9181 */
9182 clear_oparg(&oa);
9183 finish_op = FALSE;
9184 ins_typebuf(cmd, remap, 0, TRUE, silent);
9185 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9186 && !got_int)
9187 {
9188 update_topline_cursor();
9189 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9190 }
9191 }
9192 #endif
9193
9194 #ifdef FEAT_FIND_ID
9195 static void
9196 ex_checkpath(eap)
9197 exarg_T *eap;
9198 {
9199 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9200 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9201 (linenr_T)1, (linenr_T)MAXLNUM);
9202 }
9203
9204 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9205 /*
9206 * ":psearch"
9207 */
9208 static void
9209 ex_psearch(eap)
9210 exarg_T *eap;
9211 {
9212 g_do_tagpreview = p_pvh;
9213 ex_findpat(eap);
9214 g_do_tagpreview = 0;
9215 }
9216 #endif
9217
9218 static void
9219 ex_findpat(eap)
9220 exarg_T *eap;
9221 {
9222 int whole = TRUE;
9223 long n;
9224 char_u *p;
9225 int action;
9226
9227 switch (cmdnames[eap->cmdidx].cmd_name[2])
9228 {
9229 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9230 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9231 action = ACTION_GOTO;
9232 else
9233 action = ACTION_SHOW;
9234 break;
9235 case 'i': /* ":ilist" and ":dlist" */
9236 action = ACTION_SHOW_ALL;
9237 break;
9238 case 'u': /* ":ijump" and ":djump" */
9239 action = ACTION_GOTO;
9240 break;
9241 default: /* ":isplit" and ":dsplit" */
9242 action = ACTION_SPLIT;
9243 break;
9244 }
9245
9246 n = 1;
9247 if (vim_isdigit(*eap->arg)) /* get count */
9248 {
9249 n = getdigits(&eap->arg);
9250 eap->arg = skipwhite(eap->arg);
9251 }
9252 if (*eap->arg == '/') /* Match regexp, not just whole words */
9253 {
9254 whole = FALSE;
9255 ++eap->arg;
9256 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9257 if (*p)
9258 {
9259 *p++ = NUL;
9260 p = skipwhite(p);
9261
9262 /* Check for trailing illegal characters */
9263 if (!ends_excmd(*p))
9264 eap->errmsg = e_trailing;
9265 else
9266 eap->nextcmd = check_nextcmd(p);
9267 }
9268 }
9269 if (!eap->skip)
9270 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9271 whole, !eap->forceit,
9272 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9273 n, action, eap->line1, eap->line2);
9274 }
9275 #endif
9276
9277 #ifdef FEAT_WINDOWS
9278
9279 # ifdef FEAT_QUICKFIX
9280 /*
9281 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9282 */
9283 static void
9284 ex_ptag(eap)
9285 exarg_T *eap;
9286 {
9287 g_do_tagpreview = p_pvh;
9288 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9289 }
9290
9291 /*
9292 * ":pedit"
9293 */
9294 static void
9295 ex_pedit(eap)
9296 exarg_T *eap;
9297 {
9298 win_T *curwin_save = curwin;
9299
9300 g_do_tagpreview = p_pvh;
9301 prepare_tagpreview(TRUE);
9302 keep_help_flag = curwin_save->w_buffer->b_help;
9303 do_exedit(eap, NULL);
9304 keep_help_flag = FALSE;
9305 if (curwin != curwin_save && win_valid(curwin_save))
9306 {
9307 /* Return cursor to where we were */
9308 validate_cursor();
9309 redraw_later(VALID);
9310 win_enter(curwin_save, TRUE);
9311 }
9312 g_do_tagpreview = 0;
9313 }
9314 # endif
9315
9316 /*
9317 * ":stag", ":stselect" and ":stjump".
9318 */
9319 static void
9320 ex_stag(eap)
9321 exarg_T *eap;
9322 {
9323 postponed_split = -1;
9324 postponed_split_flags = cmdmod.split;
9325 postponed_split_tab = cmdmod.tab;
9326 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9327 postponed_split_flags = 0;
9328 postponed_split_tab = 0;
9329 }
9330 #endif
9331
9332 /*
9333 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9334 */
9335 static void
9336 ex_tag(eap)
9337 exarg_T *eap;
9338 {
9339 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9340 }
9341
9342 static void
9343 ex_tag_cmd(eap, name)
9344 exarg_T *eap;
9345 char_u *name;
9346 {
9347 int cmd;
9348
9349 switch (name[1])
9350 {
9351 case 'j': cmd = DT_JUMP; /* ":tjump" */
9352 break;
9353 case 's': cmd = DT_SELECT; /* ":tselect" */
9354 break;
9355 case 'p': cmd = DT_PREV; /* ":tprevious" */
9356 break;
9357 case 'N': cmd = DT_PREV; /* ":tNext" */
9358 break;
9359 case 'n': cmd = DT_NEXT; /* ":tnext" */
9360 break;
9361 case 'o': cmd = DT_POP; /* ":pop" */
9362 break;
9363 case 'f': /* ":tfirst" */
9364 case 'r': cmd = DT_FIRST; /* ":trewind" */
9365 break;
9366 case 'l': cmd = DT_LAST; /* ":tlast" */
9367 break;
9368 default: /* ":tag" */
9369 #ifdef FEAT_CSCOPE
9370 if (p_cst && *eap->arg != NUL)
9371 {
9372 do_cstag(eap);
9373 return;
9374 }
9375 #endif
9376 cmd = DT_TAG;
9377 break;
9378 }
9379
9380 if (name[0] == 'l')
9381 {
9382 #ifndef FEAT_QUICKFIX
9383 ex_ni(eap);
9384 return;
9385 #else
9386 cmd = DT_LTAG;
9387 #endif
9388 }
9389
9390 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9391 eap->forceit, TRUE);
9392 }
9393
9394 /*
9395 * Check "str" for starting with a special cmdline variable.
9396 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9397 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9398 */
9399 int
9400 find_cmdline_var(src, usedlen)
9401 char_u *src;
9402 int *usedlen;
9403 {
9404 int len;
9405 int i;
9406 static char *(spec_str[]) = {
9407 "%",
9408 #define SPEC_PERC 0
9409 "#",
9410 #define SPEC_HASH 1
9411 "<cword>", /* cursor word */
9412 #define SPEC_CWORD 2
9413 "<cWORD>", /* cursor WORD */
9414 #define SPEC_CCWORD 3
9415 "<cfile>", /* cursor path name */
9416 #define SPEC_CFILE 4
9417 "<sfile>", /* ":so" file name */
9418 #define SPEC_SFILE 5
9419 #ifdef FEAT_AUTOCMD
9420 "<afile>", /* autocommand file name */
9421 # define SPEC_AFILE 6
9422 "<abuf>", /* autocommand buffer number */
9423 # define SPEC_ABUF 7
9424 "<amatch>", /* autocommand match name */
9425 # define SPEC_AMATCH 8
9426 #endif
9427 #ifdef FEAT_CLIENTSERVER
9428 "<client>"
9429 # define SPEC_CLIENT 9
9430 #endif
9431 };
9432 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9433
9434 for (i = 0; i < SPEC_COUNT; ++i)
9435 {
9436 len = (int)STRLEN(spec_str[i]);
9437 if (STRNCMP(src, spec_str[i], len) == 0)
9438 {
9439 *usedlen = len;
9440 return i;
9441 }
9442 }
9443 return -1;
9444 }
9445
9446 /*
9447 * Evaluate cmdline variables.
9448 *
9449 * change '%' to curbuf->b_ffname
9450 * '#' to curwin->w_altfile
9451 * '<cword>' to word under the cursor
9452 * '<cWORD>' to WORD under the cursor
9453 * '<cfile>' to path name under the cursor
9454 * '<sfile>' to sourced file name
9455 * '<afile>' to file name for autocommand
9456 * '<abuf>' to buffer number for autocommand
9457 * '<amatch>' to matching name for autocommand
9458 *
9459 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9460 * "" for error without a message) and NULL is returned.
9461 * Returns an allocated string if a valid match was found.
9462 * Returns NULL if no match was found. "usedlen" then still contains the
9463 * number of characters to skip.
9464 */
9465 char_u *
9466 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9467 char_u *src; /* pointer into commandline */
9468 char_u *srcstart; /* beginning of valid memory for src */
9469 int *usedlen; /* characters after src that are used */
9470 linenr_T *lnump; /* line number for :e command, or NULL */
9471 char_u **errormsg; /* pointer to error message */
9472 int *escaped; /* return value has escaped white space (can
9473 * be NULL) */
9474 {
9475 int i;
9476 char_u *s;
9477 char_u *result;
9478 char_u *resultbuf = NULL;
9479 int resultlen;
9480 buf_T *buf;
9481 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9482 int spec_idx;
9483 #ifdef FEAT_MODIFY_FNAME
9484 int skip_mod = FALSE;
9485 #endif
9486
9487 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9488 char_u strbuf[30];
9489 #endif
9490
9491 *errormsg = NULL;
9492 if (escaped != NULL)
9493 *escaped = FALSE;
9494
9495 /*
9496 * Check if there is something to do.
9497 */
9498 spec_idx = find_cmdline_var(src, usedlen);
9499 if (spec_idx < 0) /* no match */
9500 {
9501 *usedlen = 1;
9502 return NULL;
9503 }
9504
9505 /*
9506 * Skip when preceded with a backslash "\%" and "\#".
9507 * Note: In "\\%" the % is also not recognized!
9508 */
9509 if (src > srcstart && src[-1] == '\\')
9510 {
9511 *usedlen = 0;
9512 STRMOVE(src - 1, src); /* remove backslash */
9513 return NULL;
9514 }
9515
9516 /*
9517 * word or WORD under cursor
9518 */
9519 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9520 {
9521 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9522 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9523 if (resultlen == 0)
9524 {
9525 *errormsg = (char_u *)"";
9526 return NULL;
9527 }
9528 }
9529
9530 /*
9531 * '#': Alternate file name
9532 * '%': Current file name
9533 * File name under the cursor
9534 * File name for autocommand
9535 * and following modifiers
9536 */
9537 else
9538 {
9539 switch (spec_idx)
9540 {
9541 case SPEC_PERC: /* '%': current file */
9542 if (curbuf->b_fname == NULL)
9543 {
9544 result = (char_u *)"";
9545 valid = 0; /* Must have ":p:h" to be valid */
9546 }
9547 else
9548 #ifdef RISCOS
9549 /* Always use the full path for RISC OS if possible. */
9550 result = curbuf->b_ffname;
9551 if (result == NULL)
9552 result = curbuf->b_fname;
9553 #else
9554 result = curbuf->b_fname;
9555 #endif
9556 break;
9557
9558 case SPEC_HASH: /* '#' or "#99": alternate file */
9559 if (src[1] == '#') /* "##": the argument list */
9560 {
9561 result = arg_all();
9562 resultbuf = result;
9563 *usedlen = 2;
9564 if (escaped != NULL)
9565 *escaped = TRUE;
9566 #ifdef FEAT_MODIFY_FNAME
9567 skip_mod = TRUE;
9568 #endif
9569 break;
9570 }
9571 s = src + 1;
9572 if (*s == '<') /* "#<99" uses v:oldfiles */
9573 ++s;
9574 i = (int)getdigits(&s);
9575 *usedlen = (int)(s - src); /* length of what we expand */
9576
9577 if (src[1] == '<')
9578 {
9579 if (*usedlen < 2)
9580 {
9581 /* Should we give an error message for #<text? */
9582 *usedlen = 1;
9583 return NULL;
9584 }
9585 #ifdef FEAT_EVAL
9586 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9587 (long)i);
9588 if (result == NULL)
9589 {
9590 *errormsg = (char_u *)"";
9591 return NULL;
9592 }
9593 #else
9594 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9595 return NULL;
9596 #endif
9597 }
9598 else
9599 {
9600 buf = buflist_findnr(i);
9601 if (buf == NULL)
9602 {
9603 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9604 return NULL;
9605 }
9606 if (lnump != NULL)
9607 *lnump = ECMD_LAST;
9608 if (buf->b_fname == NULL)
9609 {
9610 result = (char_u *)"";
9611 valid = 0; /* Must have ":p:h" to be valid */
9612 }
9613 else
9614 result = buf->b_fname;
9615 }
9616 break;
9617
9618 #ifdef FEAT_SEARCHPATH
9619 case SPEC_CFILE: /* file name under cursor */
9620 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9621 if (result == NULL)
9622 {
9623 *errormsg = (char_u *)"";
9624 return NULL;
9625 }
9626 resultbuf = result; /* remember allocated string */
9627 break;
9628 #endif
9629
9630 #ifdef FEAT_AUTOCMD
9631 case SPEC_AFILE: /* file name for autocommand */
9632 result = autocmd_fname;
9633 if (result != NULL && !autocmd_fname_full)
9634 {
9635 /* Still need to turn the fname into a full path. It is
9636 * postponed to avoid a delay when <afile> is not used. */
9637 autocmd_fname_full = TRUE;
9638 result = FullName_save(autocmd_fname, FALSE);
9639 vim_free(autocmd_fname);
9640 autocmd_fname = result;
9641 }
9642 if (result == NULL)
9643 {
9644 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9645 return NULL;
9646 }
9647 result = shorten_fname1(result);
9648 break;
9649
9650 case SPEC_ABUF: /* buffer number for autocommand */
9651 if (autocmd_bufnr <= 0)
9652 {
9653 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9654 return NULL;
9655 }
9656 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9657 result = strbuf;
9658 break;
9659
9660 case SPEC_AMATCH: /* match name for autocommand */
9661 result = autocmd_match;
9662 if (result == NULL)
9663 {
9664 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9665 return NULL;
9666 }
9667 break;
9668
9669 #endif
9670 case SPEC_SFILE: /* file name for ":so" command */
9671 result = sourcing_name;
9672 if (result == NULL)
9673 {
9674 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9675 return NULL;
9676 }
9677 break;
9678 #if defined(FEAT_CLIENTSERVER)
9679 case SPEC_CLIENT: /* Source of last submitted input */
9680 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9681 (long_u)clientWindow);
9682 result = strbuf;
9683 break;
9684 #endif
9685 }
9686
9687 resultlen = (int)STRLEN(result); /* length of new string */
9688 if (src[*usedlen] == '<') /* remove the file name extension */
9689 {
9690 ++*usedlen;
9691 #ifdef RISCOS
9692 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9693 #else
9694 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9695 #endif
9696 resultlen = (int)(s - result);
9697 }
9698 #ifdef FEAT_MODIFY_FNAME
9699 else if (!skip_mod)
9700 {
9701 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9702 &resultlen);
9703 if (result == NULL)
9704 {
9705 *errormsg = (char_u *)"";
9706 return NULL;
9707 }
9708 }
9709 #endif
9710 }
9711
9712 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9713 {
9714 if (valid != VALID_HEAD + VALID_PATH)
9715 /* xgettext:no-c-format */
9716 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9717 else
9718 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9719 result = NULL;
9720 }
9721 else
9722 result = vim_strnsave(result, resultlen);
9723 vim_free(resultbuf);
9724 return result;
9725 }
9726
9727 /*
9728 * Concatenate all files in the argument list, separated by spaces, and return
9729 * it in one allocated string.
9730 * Spaces and backslashes in the file names are escaped with a backslash.
9731 * Returns NULL when out of memory.
9732 */
9733 static char_u *
9734 arg_all()
9735 {
9736 int len;
9737 int idx;
9738 char_u *retval = NULL;
9739 char_u *p;
9740
9741 /*
9742 * Do this loop two times:
9743 * first time: compute the total length
9744 * second time: concatenate the names
9745 */
9746 for (;;)
9747 {
9748 len = 0;
9749 for (idx = 0; idx < ARGCOUNT; ++idx)
9750 {
9751 p = alist_name(&ARGLIST[idx]);
9752 if (p != NULL)
9753 {
9754 if (len > 0)
9755 {
9756 /* insert a space in between names */
9757 if (retval != NULL)
9758 retval[len] = ' ';
9759 ++len;
9760 }
9761 for ( ; *p != NUL; ++p)
9762 {
9763 if (*p == ' ' || *p == '\\')
9764 {
9765 /* insert a backslash */
9766 if (retval != NULL)
9767 retval[len] = '\\';
9768 ++len;
9769 }
9770 if (retval != NULL)
9771 retval[len] = *p;
9772 ++len;
9773 }
9774 }
9775 }
9776
9777 /* second time: break here */
9778 if (retval != NULL)
9779 {
9780 retval[len] = NUL;
9781 break;
9782 }
9783
9784 /* allocate memory */
9785 retval = alloc(len + 1);
9786 if (retval == NULL)
9787 break;
9788 }
9789
9790 return retval;
9791 }
9792
9793 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9794 /*
9795 * Expand the <sfile> string in "arg".
9796 *
9797 * Returns an allocated string, or NULL for any error.
9798 */
9799 char_u *
9800 expand_sfile(arg)
9801 char_u *arg;
9802 {
9803 char_u *errormsg;
9804 int len;
9805 char_u *result;
9806 char_u *newres;
9807 char_u *repl;
9808 int srclen;
9809 char_u *p;
9810
9811 result = vim_strsave(arg);
9812 if (result == NULL)
9813 return NULL;
9814
9815 for (p = result; *p; )
9816 {
9817 if (STRNCMP(p, "<sfile>", 7) != 0)
9818 ++p;
9819 else
9820 {
9821 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9822 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9823 if (errormsg != NULL)
9824 {
9825 if (*errormsg)
9826 emsg(errormsg);
9827 vim_free(result);
9828 return NULL;
9829 }
9830 if (repl == NULL) /* no match (cannot happen) */
9831 {
9832 p += srclen;
9833 continue;
9834 }
9835 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9836 newres = alloc(len);
9837 if (newres == NULL)
9838 {
9839 vim_free(repl);
9840 vim_free(result);
9841 return NULL;
9842 }
9843 mch_memmove(newres, result, (size_t)(p - result));
9844 STRCPY(newres + (p - result), repl);
9845 len = (int)STRLEN(newres);
9846 STRCAT(newres, p + srclen);
9847 vim_free(repl);
9848 vim_free(result);
9849 result = newres;
9850 p = newres + len; /* continue after the match */
9851 }
9852 }
9853
9854 return result;
9855 }
9856 #endif
9857
9858 #ifdef FEAT_SESSION
9859 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9860 win_T *tab_firstwin));
9861 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9862 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9863 static int ses_do_frame __ARGS((frame_T *fr));
9864 static int ses_do_win __ARGS((win_T *wp));
9865 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9866 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9867 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9868
9869 /*
9870 * Write openfile commands for the current buffers to an .exrc file.
9871 * Return FAIL on error, OK otherwise.
9872 */
9873 static int
9874 makeopens(fd, dirnow)
9875 FILE *fd;
9876 char_u *dirnow; /* Current directory name */
9877 {
9878 buf_T *buf;
9879 int only_save_windows = TRUE;
9880 int nr;
9881 int cnr = 1;
9882 int restore_size = TRUE;
9883 win_T *wp;
9884 char_u *sname;
9885 win_T *edited_win = NULL;
9886 int tabnr;
9887 win_T *tab_firstwin;
9888 frame_T *tab_topframe;
9889 int cur_arg_idx = 0;
9890 int next_arg_idx = 0;
9891
9892 if (ssop_flags & SSOP_BUFFERS)
9893 only_save_windows = FALSE; /* Save ALL buffers */
9894
9895 /*
9896 * Begin by setting the this_session variable, and then other
9897 * sessionable variables.
9898 */
9899 #ifdef FEAT_EVAL
9900 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9901 return FAIL;
9902 if (ssop_flags & SSOP_GLOBALS)
9903 if (store_session_globals(fd) == FAIL)
9904 return FAIL;
9905 #endif
9906
9907 /*
9908 * Close all windows but one.
9909 */
9910 if (put_line(fd, "silent only") == FAIL)
9911 return FAIL;
9912
9913 /*
9914 * Now a :cd command to the session directory or the current directory
9915 */
9916 if (ssop_flags & SSOP_SESDIR)
9917 {
9918 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9919 == FAIL)
9920 return FAIL;
9921 }
9922 else if (ssop_flags & SSOP_CURDIR)
9923 {
9924 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9925 if (sname == NULL
9926 || fputs("cd ", fd) < 0
9927 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9928 || put_eol(fd) == FAIL)
9929 {
9930 vim_free(sname);
9931 return FAIL;
9932 }
9933 vim_free(sname);
9934 }
9935
9936 /*
9937 * If there is an empty, unnamed buffer we will wipe it out later.
9938 * Remember the buffer number.
9939 */
9940 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9941 return FAIL;
9942 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9943 return FAIL;
9944 if (put_line(fd, "endif") == FAIL)
9945 return FAIL;
9946
9947 /*
9948 * Now save the current files, current buffer first.
9949 */
9950 if (put_line(fd, "set shortmess=aoO") == FAIL)
9951 return FAIL;
9952
9953 /* Now put the other buffers into the buffer list */
9954 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9955 {
9956 if (!(only_save_windows && buf->b_nwindows == 0)
9957 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9958 && buf->b_fname != NULL
9959 && buf->b_p_bl)
9960 {
9961 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9962 : buf->b_wininfo->wi_fpos.lnum) < 0
9963 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9964 return FAIL;
9965 }
9966 }
9967
9968 /* the global argument list */
9969 if (ses_arglist(fd, "args", &global_alist.al_ga,
9970 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9971 return FAIL;
9972
9973 if (ssop_flags & SSOP_RESIZE)
9974 {
9975 /* Note: after the restore we still check it worked!*/
9976 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9977 || put_eol(fd) == FAIL)
9978 return FAIL;
9979 #ifdef FEAT_FULLSCREEN
9980 /* fullscreen needs to be set after lines and columns */
9981 if (p_fullscreen)
9982 {
9983 if (fprintf(fd, "set fullscreen") < 0 || put_eol(fd) == FAIL)
9984 return FAIL;
9985 }
9986 #endif
9987 }
9988
9989 #ifdef FEAT_GUI
9990 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9991 {
9992 int x, y;
9993
9994 if (gui_mch_get_winpos(&x, &y) == OK)
9995 {
9996 /* Note: after the restore we still check it worked!*/
9997 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9998 return FAIL;
9999 }
10000 }
10001 #endif
10002
10003 /*
10004 * May repeat putting Windows for each tab, when "tabpages" is in
10005 * 'sessionoptions'.
10006 * Don't use goto_tabpage(), it may change directory and trigger
10007 * autocommands.
10008 */
10009 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10010 tab_topframe = topframe;
10011 for (tabnr = 1; ; ++tabnr)
10012 {
10013 int need_tabnew = FALSE;
10014
10015 if ((ssop_flags & SSOP_TABPAGES))
10016 {
10017 tabpage_T *tp = find_tabpage(tabnr);
10018
10019 if (tp == NULL)
10020 break; /* done all tab pages */
10021 if (tp == curtab)
10022 {
10023 tab_firstwin = firstwin;
10024 tab_topframe = topframe;
10025 }
10026 else
10027 {
10028 tab_firstwin = tp->tp_firstwin;
10029 tab_topframe = tp->tp_topframe;
10030 }
10031 if (tabnr > 1)
10032 need_tabnew = TRUE;
10033 }
10034
10035 /*
10036 * Before creating the window layout, try loading one file. If this
10037 * is aborted we don't end up with a number of useless windows.
10038 * This may have side effects! (e.g., compressed or network file).
10039 */
10040 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10041 {
10042 if (ses_do_win(wp)
10043 && wp->w_buffer->b_ffname != NULL
10044 && !wp->w_buffer->b_help
10045 #ifdef FEAT_QUICKFIX
10046 && !bt_nofile(wp->w_buffer)
10047 #endif
10048 )
10049 {
10050 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10051 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10052 return FAIL;
10053 need_tabnew = FALSE;
10054 if (!wp->w_arg_idx_invalid)
10055 edited_win = wp;
10056 break;
10057 }
10058 }
10059
10060 /* If no file got edited create an empty tab page. */
10061 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10062 return FAIL;
10063
10064 /*
10065 * Save current window layout.
10066 */
10067 if (put_line(fd, "set splitbelow splitright") == FAIL)
10068 return FAIL;
10069 if (ses_win_rec(fd, tab_topframe) == FAIL)
10070 return FAIL;
10071 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10072 return FAIL;
10073 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10074 return FAIL;
10075
10076 /*
10077 * Check if window sizes can be restored (no windows omitted).
10078 * Remember the window number of the current window after restoring.
10079 */
10080 nr = 0;
10081 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10082 {
10083 if (ses_do_win(wp))
10084 ++nr;
10085 else
10086 restore_size = FALSE;
10087 if (curwin == wp)
10088 cnr = nr;
10089 }
10090
10091 /* Go to the first window. */
10092 if (put_line(fd, "wincmd t") == FAIL)
10093 return FAIL;
10094
10095 /*
10096 * If more than one window, see if sizes can be restored.
10097 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10098 * resized when moving between windows.
10099 * Do this before restoring the view, so that the topline and the
10100 * cursor can be set. This is done again below.
10101 */
10102 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10103 return FAIL;
10104 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10105 return FAIL;
10106
10107 /*
10108 * Restore the view of the window (options, file, cursor, etc.).
10109 */
10110 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10111 {
10112 if (!ses_do_win(wp))
10113 continue;
10114 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10115 cur_arg_idx) == FAIL)
10116 return FAIL;
10117 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10118 return FAIL;
10119 next_arg_idx = wp->w_arg_idx;
10120 }
10121
10122 /* The argument index in the first tab page is zero, need to set it in
10123 * each window. For further tab pages it's the window where we do
10124 * "tabedit". */
10125 cur_arg_idx = next_arg_idx;
10126
10127 /*
10128 * Restore cursor to the current window if it's not the first one.
10129 */
10130 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10131 || put_eol(fd) == FAIL))
10132 return FAIL;
10133
10134 /*
10135 * Restore window sizes again after jumping around in windows, because
10136 * the current window has a minimum size while others may not.
10137 */
10138 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10139 return FAIL;
10140
10141 /* Don't continue in another tab page when doing only the current one
10142 * or when at the last tab page. */
10143 if (!(ssop_flags & SSOP_TABPAGES))
10144 break;
10145 }
10146
10147 if (ssop_flags & SSOP_TABPAGES)
10148 {
10149 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10150 || put_eol(fd) == FAIL)
10151 return FAIL;
10152 }
10153
10154 /*
10155 * Wipe out an empty unnamed buffer we started in.
10156 */
10157 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10158 return FAIL;
10159 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10160 return FAIL;
10161 if (put_line(fd, "endif") == FAIL)
10162 return FAIL;
10163 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10164 return FAIL;
10165
10166 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10167 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10168 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10169 return FAIL;
10170
10171 /*
10172 * Lastly, execute the x.vim file if it exists.
10173 */
10174 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10175 || put_line(fd, "if file_readable(s:sx)") == FAIL
10176 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10177 || put_line(fd, "endif") == FAIL)
10178 return FAIL;
10179
10180 return OK;
10181 }
10182
10183 static int
10184 ses_winsizes(fd, restore_size, tab_firstwin)
10185 FILE *fd;
10186 int restore_size;
10187 win_T *tab_firstwin;
10188 {
10189 int n = 0;
10190 win_T *wp;
10191
10192 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10193 {
10194 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10195 {
10196 if (!ses_do_win(wp))
10197 continue;
10198 ++n;
10199
10200 /* restore height when not full height */
10201 if (wp->w_height + wp->w_status_height < topframe->fr_height
10202 && (fprintf(fd,
10203 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10204 n, (long)wp->w_height, Rows / 2, Rows) < 0
10205 || put_eol(fd) == FAIL))
10206 return FAIL;
10207
10208 /* restore width when not full width */
10209 if (wp->w_width < Columns && (fprintf(fd,
10210 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10211 n, (long)wp->w_width, Columns / 2, Columns) < 0
10212 || put_eol(fd) == FAIL))
10213 return FAIL;
10214 }
10215 }
10216 else
10217 {
10218 /* Just equalise window sizes */
10219 if (put_line(fd, "wincmd =") == FAIL)
10220 return FAIL;
10221 }
10222 return OK;
10223 }
10224
10225 /*
10226 * Write commands to "fd" to recursively create windows for frame "fr",
10227 * horizontally and vertically split.
10228 * After the commands the last window in the frame is the current window.
10229 * Returns FAIL when writing the commands to "fd" fails.
10230 */
10231 static int
10232 ses_win_rec(fd, fr)
10233 FILE *fd;
10234 frame_T *fr;
10235 {
10236 frame_T *frc;
10237 int count = 0;
10238
10239 if (fr->fr_layout != FR_LEAF)
10240 {
10241 /* Find first frame that's not skipped and then create a window for
10242 * each following one (first frame is already there). */
10243 frc = ses_skipframe(fr->fr_child);
10244 if (frc != NULL)
10245 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10246 {
10247 /* Make window as big as possible so that we have lots of room
10248 * to split. */
10249 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10250 || put_line(fd, fr->fr_layout == FR_COL
10251 ? "split" : "vsplit") == FAIL)
10252 return FAIL;
10253 ++count;
10254 }
10255
10256 /* Go back to the first window. */
10257 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10258 ? "%dwincmd k" : "%dwincmd h", count) < 0
10259 || put_eol(fd) == FAIL))
10260 return FAIL;
10261
10262 /* Recursively create frames/windows in each window of this column or
10263 * row. */
10264 frc = ses_skipframe(fr->fr_child);
10265 while (frc != NULL)
10266 {
10267 ses_win_rec(fd, frc);
10268 frc = ses_skipframe(frc->fr_next);
10269 /* Go to next window. */
10270 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10271 return FAIL;
10272 }
10273 }
10274 return OK;
10275 }
10276
10277 /*
10278 * Skip frames that don't contain windows we want to save in the Session.
10279 * Returns NULL when there none.
10280 */
10281 static frame_T *
10282 ses_skipframe(fr)
10283 frame_T *fr;
10284 {
10285 frame_T *frc;
10286
10287 for (frc = fr; frc != NULL; frc = frc->fr_next)
10288 if (ses_do_frame(frc))
10289 break;
10290 return frc;
10291 }
10292
10293 /*
10294 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10295 * the Session.
10296 */
10297 static int
10298 ses_do_frame(fr)
10299 frame_T *fr;
10300 {
10301 frame_T *frc;
10302
10303 if (fr->fr_layout == FR_LEAF)
10304 return ses_do_win(fr->fr_win);
10305 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10306 if (ses_do_frame(frc))
10307 return TRUE;
10308 return FALSE;
10309 }
10310
10311 /*
10312 * Return non-zero if window "wp" is to be stored in the Session.
10313 */
10314 static int
10315 ses_do_win(wp)
10316 win_T *wp;
10317 {
10318 if (wp->w_buffer->b_fname == NULL
10319 #ifdef FEAT_QUICKFIX
10320 /* When 'buftype' is "nofile" can't restore the window contents. */
10321 || bt_nofile(wp->w_buffer)
10322 #endif
10323 )
10324 return (ssop_flags & SSOP_BLANK);
10325 if (wp->w_buffer->b_help)
10326 return (ssop_flags & SSOP_HELP);
10327 return TRUE;
10328 }
10329
10330 /*
10331 * Write commands to "fd" to restore the view of a window.
10332 * Caller must make sure 'scrolloff' is zero.
10333 */
10334 static int
10335 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10336 FILE *fd;
10337 win_T *wp;
10338 int add_edit; /* add ":edit" command to view */
10339 unsigned *flagp; /* vop_flags or ssop_flags */
10340 int current_arg_idx; /* current argument index of the window, use
10341 * -1 if unknown */
10342 {
10343 win_T *save_curwin;
10344 int f;
10345 int do_cursor;
10346 int did_next = FALSE;
10347
10348 /* Always restore cursor position for ":mksession". For ":mkview" only
10349 * when 'viewoptions' contains "cursor". */
10350 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10351
10352 /*
10353 * Local argument list.
10354 */
10355 if (wp->w_alist == &global_alist)
10356 {
10357 if (put_line(fd, "argglobal") == FAIL)
10358 return FAIL;
10359 }
10360 else
10361 {
10362 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10363 flagp == &vop_flags
10364 || !(*flagp & SSOP_CURDIR)
10365 || wp->w_localdir != NULL, flagp) == FAIL)
10366 return FAIL;
10367 }
10368
10369 /* Only when part of a session: restore the argument index. Some
10370 * arguments may have been deleted, check if the index is valid. */
10371 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10372 && flagp == &ssop_flags)
10373 {
10374 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10375 || put_eol(fd) == FAIL)
10376 return FAIL;
10377 did_next = TRUE;
10378 }
10379
10380 /* Edit the file. Skip this when ":next" already did it. */
10381 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10382 {
10383 /*
10384 * Load the file.
10385 */
10386 if (wp->w_buffer->b_ffname != NULL
10387 #ifdef FEAT_QUICKFIX
10388 && !bt_nofile(wp->w_buffer)
10389 #endif
10390 )
10391 {
10392 /*
10393 * Editing a file in this buffer: use ":edit file".
10394 * This may have side effects! (e.g., compressed or network file).
10395 */
10396 if (fputs("edit ", fd) < 0
10397 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10398 return FAIL;
10399 }
10400 else
10401 {
10402 /* No file in this buffer, just make it empty. */
10403 if (put_line(fd, "enew") == FAIL)
10404 return FAIL;
10405 #ifdef FEAT_QUICKFIX
10406 if (wp->w_buffer->b_ffname != NULL)
10407 {
10408 /* The buffer does have a name, but it's not a file name. */
10409 if (fputs("file ", fd) < 0
10410 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10411 return FAIL;
10412 }
10413 #endif
10414 do_cursor = FALSE;
10415 }
10416 }
10417
10418 /*
10419 * Local mappings and abbreviations.
10420 */
10421 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10422 && makemap(fd, wp->w_buffer) == FAIL)
10423 return FAIL;
10424
10425 /*
10426 * Local options. Need to go to the window temporarily.
10427 * Store only local values when using ":mkview" and when ":mksession" is
10428 * used and 'sessionoptions' doesn't include "options".
10429 * Some folding options are always stored when "folds" is included,
10430 * otherwise the folds would not be restored correctly.
10431 */
10432 save_curwin = curwin;
10433 curwin = wp;
10434 curbuf = curwin->w_buffer;
10435 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10436 f = makeset(fd, OPT_LOCAL,
10437 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10438 #ifdef FEAT_FOLDING
10439 else if (*flagp & SSOP_FOLDS)
10440 f = makefoldset(fd);
10441 #endif
10442 else
10443 f = OK;
10444 curwin = save_curwin;
10445 curbuf = curwin->w_buffer;
10446 if (f == FAIL)
10447 return FAIL;
10448
10449 #ifdef FEAT_FOLDING
10450 /*
10451 * Save Folds when 'buftype' is empty and for help files.
10452 */
10453 if ((*flagp & SSOP_FOLDS)
10454 && wp->w_buffer->b_ffname != NULL
10455 # ifdef FEAT_QUICKFIX
10456 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10457 # endif
10458 )
10459 {
10460 if (put_folds(fd, wp) == FAIL)
10461 return FAIL;
10462 }
10463 #endif
10464
10465 /*
10466 * Set the cursor after creating folds, since that moves the cursor.
10467 */
10468 if (do_cursor)
10469 {
10470
10471 /* Restore the cursor line in the file and relatively in the
10472 * window. Don't use "G", it changes the jumplist. */
10473 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10474 (long)wp->w_cursor.lnum,
10475 (long)(wp->w_cursor.lnum - wp->w_topline),
10476 (long)wp->w_height / 2, (long)wp->w_height) < 0
10477 || put_eol(fd) == FAIL
10478 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10479 || put_line(fd, "exe s:l") == FAIL
10480 || put_line(fd, "normal! zt") == FAIL
10481 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10482 || put_eol(fd) == FAIL)
10483 return FAIL;
10484 /* Restore the cursor column and left offset when not wrapping. */
10485 if (wp->w_cursor.col == 0)
10486 {
10487 if (put_line(fd, "normal! 0") == FAIL)
10488 return FAIL;
10489 }
10490 else
10491 {
10492 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10493 {
10494 if (fprintf(fd,
10495 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10496 (long)wp->w_cursor.col,
10497 (long)(wp->w_cursor.col - wp->w_leftcol),
10498 (long)wp->w_width / 2, (long)wp->w_width) < 0
10499 || put_eol(fd) == FAIL
10500 || put_line(fd, "if s:c > 0") == FAIL
10501 || fprintf(fd,
10502 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10503 (long)wp->w_cursor.col) < 0
10504 || put_eol(fd) == FAIL
10505 || put_line(fd, "else") == FAIL
10506 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10507 || put_eol(fd) == FAIL
10508 || put_line(fd, "endif") == FAIL)
10509 return FAIL;
10510 }
10511 else
10512 {
10513 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10514 || put_eol(fd) == FAIL)
10515 return FAIL;
10516 }
10517 }
10518 }
10519
10520 /*
10521 * Local directory.
10522 */
10523 if (wp->w_localdir != NULL)
10524 {
10525 if (fputs("lcd ", fd) < 0
10526 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10527 || put_eol(fd) == FAIL)
10528 return FAIL;
10529 did_lcd = TRUE;
10530 }
10531
10532 return OK;
10533 }
10534
10535 /*
10536 * Write an argument list to the session file.
10537 * Returns FAIL if writing fails.
10538 */
10539 static int
10540 ses_arglist(fd, cmd, gap, fullname, flagp)
10541 FILE *fd;
10542 char *cmd;
10543 garray_T *gap;
10544 int fullname; /* TRUE: use full path name */
10545 unsigned *flagp;
10546 {
10547 int i;
10548 char_u buf[MAXPATHL];
10549 char_u *s;
10550
10551 if (gap->ga_len == 0)
10552 return put_line(fd, "silent! argdel *");
10553 if (fputs(cmd, fd) < 0)
10554 return FAIL;
10555 for (i = 0; i < gap->ga_len; ++i)
10556 {
10557 /* NULL file names are skipped (only happens when out of memory). */
10558 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10559 if (s != NULL)
10560 {
10561 if (fullname)
10562 {
10563 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10564 s = buf;
10565 }
10566 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10567 return FAIL;
10568 }
10569 }
10570 return put_eol(fd);
10571 }
10572
10573 /*
10574 * Write a buffer name to the session file.
10575 * Also ends the line.
10576 * Returns FAIL if writing fails.
10577 */
10578 static int
10579 ses_fname(fd, buf, flagp)
10580 FILE *fd;
10581 buf_T *buf;
10582 unsigned *flagp;
10583 {
10584 char_u *name;
10585
10586 /* Use the short file name if the current directory is known at the time
10587 * the session file will be sourced.
10588 * Don't do this for ":mkview", we don't know the current directory.
10589 * Don't do this after ":lcd", we don't keep track of what the current
10590 * directory is. */
10591 if (buf->b_sfname != NULL
10592 && flagp == &ssop_flags
10593 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10594 && !did_lcd)
10595 name = buf->b_sfname;
10596 else
10597 name = buf->b_ffname;
10598 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10599 return FAIL;
10600 return OK;
10601 }
10602
10603 /*
10604 * Write a file name to the session file.
10605 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10606 * characters.
10607 * Returns FAIL if writing fails.
10608 */
10609 static int
10610 ses_put_fname(fd, name, flagp)
10611 FILE *fd;
10612 char_u *name;
10613 unsigned *flagp;
10614 {
10615 char_u *sname;
10616 int retval = OK;
10617 int c;
10618
10619 sname = home_replace_save(NULL, name);
10620 if (sname != NULL)
10621 name = sname;
10622 while (*name != NUL)
10623 {
10624 #ifdef FEAT_MBYTE
10625 {
10626 int l;
10627
10628 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10629 {
10630 /* copy a multibyte char */
10631 while (--l >= 0)
10632 {
10633 if (putc(*name, fd) != *name)
10634 retval = FAIL;
10635 ++name;
10636 }
10637 continue;
10638 }
10639 }
10640 #endif
10641 c = *name++;
10642 if (c == '\\' && (*flagp & SSOP_SLASH))
10643 /* change a backslash to a forward slash */
10644 c = '/';
10645 else if ((vim_strchr(escape_chars, c) != NULL
10646 #ifdef BACKSLASH_IN_FILENAME
10647 && c != '\\'
10648 #endif
10649 ) || c == '#' || c == '%')
10650 {
10651 /* escape a special character with a backslash */
10652 if (putc('\\', fd) != '\\')
10653 retval = FAIL;
10654 }
10655 if (putc(c, fd) != c)
10656 retval = FAIL;
10657 }
10658 vim_free(sname);
10659 return retval;
10660 }
10661
10662 /*
10663 * ":loadview [nr]"
10664 */
10665 static void
10666 ex_loadview(eap)
10667 exarg_T *eap;
10668 {
10669 char_u *fname;
10670
10671 fname = get_view_file(*eap->arg);
10672 if (fname != NULL)
10673 {
10674 do_source(fname, FALSE, DOSO_NONE);
10675 vim_free(fname);
10676 }
10677 }
10678
10679 /*
10680 * Get the name of the view file for the current buffer.
10681 */
10682 static char_u *
10683 get_view_file(c)
10684 int c;
10685 {
10686 int len = 0;
10687 char_u *p, *s;
10688 char_u *retval;
10689 char_u *sname;
10690
10691 if (curbuf->b_ffname == NULL)
10692 {
10693 EMSG(_(e_noname));
10694 return NULL;
10695 }
10696 sname = home_replace_save(NULL, curbuf->b_ffname);
10697 if (sname == NULL)
10698 return NULL;
10699
10700 /*
10701 * We want a file name without separators, because we're not going to make
10702 * a directory.
10703 * "normal" path separator -> "=+"
10704 * "=" -> "=="
10705 * ":" path separator -> "=-"
10706 */
10707 for (p = sname; *p; ++p)
10708 if (*p == '=' || vim_ispathsep(*p))
10709 ++len;
10710 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10711 if (retval != NULL)
10712 {
10713 STRCPY(retval, p_vdir);
10714 add_pathsep(retval);
10715 s = retval + STRLEN(retval);
10716 for (p = sname; *p; ++p)
10717 {
10718 if (*p == '=')
10719 {
10720 *s++ = '=';
10721 *s++ = '=';
10722 }
10723 else if (vim_ispathsep(*p))
10724 {
10725 *s++ = '=';
10726 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10727 || defined(VMS)
10728 if (*p == ':')
10729 *s++ = '-';
10730 else
10731 #endif
10732 *s++ = '+';
10733 }
10734 else
10735 *s++ = *p;
10736 }
10737 *s++ = '=';
10738 *s++ = c;
10739 STRCPY(s, ".vim");
10740 }
10741
10742 vim_free(sname);
10743 return retval;
10744 }
10745
10746 #endif /* FEAT_SESSION */
10747
10748 /*
10749 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10750 * Return FAIL for a write error.
10751 */
10752 int
10753 put_eol(fd)
10754 FILE *fd;
10755 {
10756 if (
10757 #ifdef USE_CRNL
10758 (
10759 # ifdef MKSESSION_NL
10760 !mksession_nl &&
10761 # endif
10762 (putc('\r', fd) < 0)) ||
10763 #endif
10764 (putc('\n', fd) < 0))
10765 return FAIL;
10766 return OK;
10767 }
10768
10769 /*
10770 * Write a line to "fd".
10771 * Return FAIL for a write error.
10772 */
10773 int
10774 put_line(fd, s)
10775 FILE *fd;
10776 char *s;
10777 {
10778 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10779 return FAIL;
10780 return OK;
10781 }
10782
10783 #ifdef FEAT_VIMINFO
10784 /*
10785 * ":rviminfo" and ":wviminfo".
10786 */
10787 static void
10788 ex_viminfo(eap)
10789 exarg_T *eap;
10790 {
10791 char_u *save_viminfo;
10792
10793 save_viminfo = p_viminfo;
10794 if (*p_viminfo == NUL)
10795 p_viminfo = (char_u *)"'100";
10796 if (eap->cmdidx == CMD_rviminfo)
10797 {
10798 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10799 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10800 EMSG(_("E195: Cannot open viminfo file for reading"));
10801 }
10802 else
10803 write_viminfo(eap->arg, eap->forceit);
10804 p_viminfo = save_viminfo;
10805 }
10806 #endif
10807
10808 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10809 /*
10810 * Make a dialog message in "buff[IOSIZE]".
10811 * "format" must contain "%s".
10812 */
10813 void
10814 dialog_msg(buff, format, fname)
10815 char_u *buff;
10816 char *format;
10817 char_u *fname;
10818 {
10819 if (fname == NULL)
10820 fname = (char_u *)_("Untitled");
10821 vim_snprintf((char *)buff, IOSIZE, format, fname);
10822 }
10823 #endif
10824
10825 /*
10826 * ":behave {mswin,xterm}"
10827 */
10828 static void
10829 ex_behave(eap)
10830 exarg_T *eap;
10831 {
10832 if (STRCMP(eap->arg, "mswin") == 0)
10833 {
10834 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10835 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10836 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10837 set_option_value((char_u *)"keymodel", 0L,
10838 (char_u *)"startsel,stopsel", 0);
10839 }
10840 else if (STRCMP(eap->arg, "xterm") == 0)
10841 {
10842 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10843 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10844 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10845 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10846 }
10847 else
10848 EMSG2(_(e_invarg2), eap->arg);
10849 }
10850
10851 #ifdef FEAT_AUTOCMD
10852 static int filetype_detect = FALSE;
10853 static int filetype_plugin = FALSE;
10854 static int filetype_indent = FALSE;
10855
10856 /*
10857 * ":filetype [plugin] [indent] {on,off,detect}"
10858 * on: Load the filetype.vim file to install autocommands for file types.
10859 * off: Load the ftoff.vim file to remove all autocommands for file types.
10860 * plugin on: load filetype.vim and ftplugin.vim
10861 * plugin off: load ftplugof.vim
10862 * indent on: load filetype.vim and indent.vim
10863 * indent off: load indoff.vim
10864 */
10865 static void
10866 ex_filetype(eap)
10867 exarg_T *eap;
10868 {
10869 char_u *arg = eap->arg;
10870 int plugin = FALSE;
10871 int indent = FALSE;
10872
10873 if (*eap->arg == NUL)
10874 {
10875 /* Print current status. */
10876 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10877 filetype_detect ? "ON" : "OFF",
10878 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10879 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10880 return;
10881 }
10882
10883 /* Accept "plugin" and "indent" in any order. */
10884 for (;;)
10885 {
10886 if (STRNCMP(arg, "plugin", 6) == 0)
10887 {
10888 plugin = TRUE;
10889 arg = skipwhite(arg + 6);
10890 continue;
10891 }
10892 if (STRNCMP(arg, "indent", 6) == 0)
10893 {
10894 indent = TRUE;
10895 arg = skipwhite(arg + 6);
10896 continue;
10897 }
10898 break;
10899 }
10900 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10901 {
10902 if (*arg == 'o' || !filetype_detect)
10903 {
10904 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10905 filetype_detect = TRUE;
10906 if (plugin)
10907 {
10908 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10909 filetype_plugin = TRUE;
10910 }
10911 if (indent)
10912 {
10913 source_runtime((char_u *)INDENT_FILE, TRUE);
10914 filetype_indent = TRUE;
10915 }
10916 }
10917 if (*arg == 'd')
10918 {
10919 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10920 do_modelines(0);
10921 }
10922 }
10923 else if (STRCMP(arg, "off") == 0)
10924 {
10925 if (plugin || indent)
10926 {
10927 if (plugin)
10928 {
10929 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10930 filetype_plugin = FALSE;
10931 }
10932 if (indent)
10933 {
10934 source_runtime((char_u *)INDOFF_FILE, TRUE);
10935 filetype_indent = FALSE;
10936 }
10937 }
10938 else
10939 {
10940 source_runtime((char_u *)FTOFF_FILE, TRUE);
10941 filetype_detect = FALSE;
10942 }
10943 }
10944 else
10945 EMSG2(_(e_invarg2), arg);
10946 }
10947
10948 /*
10949 * ":setfiletype {name}"
10950 */
10951 static void
10952 ex_setfiletype(eap)
10953 exarg_T *eap;
10954 {
10955 if (!did_filetype)
10956 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10957 }
10958 #endif
10959
10960 /*ARGSUSED*/
10961 static void
10962 ex_digraphs(eap)
10963 exarg_T *eap;
10964 {
10965 #ifdef FEAT_DIGRAPHS
10966 if (*eap->arg != NUL)
10967 putdigraph(eap->arg);
10968 else
10969 listdigraphs();
10970 #else
10971 EMSG(_("E196: No digraphs in this version"));
10972 #endif
10973 }
10974
10975 static void
10976 ex_set(eap)
10977 exarg_T *eap;
10978 {
10979 int flags = 0;
10980
10981 if (eap->cmdidx == CMD_setlocal)
10982 flags = OPT_LOCAL;
10983 else if (eap->cmdidx == CMD_setglobal)
10984 flags = OPT_GLOBAL;
10985 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10986 if (cmdmod.browse && flags == 0)
10987 ex_options(eap);
10988 else
10989 #endif
10990 (void)do_set(eap->arg, flags);
10991 }
10992
10993 #ifdef FEAT_SEARCH_EXTRA
10994 /*
10995 * ":nohlsearch"
10996 */
10997 /*ARGSUSED*/
10998 static void
10999 ex_nohlsearch(eap)
11000 exarg_T *eap;
11001 {
11002 no_hlsearch = TRUE;
11003 redraw_all_later(SOME_VALID);
11004 }
11005
11006 /*
11007 * ":[N]match {group} {pattern}"
11008 * Sets nextcmd to the start of the next command, if any. Also called when
11009 * skipping commands to find the next command.
11010 */
11011 static void
11012 ex_match(eap)
11013 exarg_T *eap;
11014 {
11015 char_u *p;
11016 char_u *g = NULL;
11017 char_u *end;
11018 int c;
11019 int id;
11020
11021 if (eap->line2 <= 3)
11022 id = eap->line2;
11023 else
11024 {
11025 EMSG(e_invcmd);
11026 return;
11027 }
11028
11029 /* First clear any old pattern. */
11030 if (!eap->skip)
11031 match_delete(curwin, id, FALSE);
11032
11033 if (ends_excmd(*eap->arg))
11034 end = eap->arg;
11035 else if ((STRNICMP(eap->arg, "none", 4) == 0
11036 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11037 end = eap->arg + 4;
11038 else
11039 {
11040 p = skiptowhite(eap->arg);
11041 if (!eap->skip)
11042 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11043 p = skipwhite(p);
11044 if (*p == NUL)
11045 {
11046 /* There must be two arguments. */
11047 EMSG2(_(e_invarg2), eap->arg);
11048 return;
11049 }
11050 end = skip_regexp(p + 1, *p, TRUE, NULL);
11051 if (!eap->skip)
11052 {
11053 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11054 {
11055 eap->errmsg = e_trailing;
11056 return;
11057 }
11058 if (*end != *p)
11059 {
11060 EMSG2(_(e_invarg2), p);
11061 return;
11062 }
11063
11064 c = *end;
11065 *end = NUL;
11066 match_add(curwin, g, p + 1, 10, id);
11067 vim_free(g);
11068 *end = c;
11069 }
11070 }
11071 eap->nextcmd = find_nextcmd(end);
11072 }
11073 #endif
11074
11075 #ifdef FEAT_CRYPT
11076 /*
11077 * ":X": Get crypt key
11078 */
11079 /*ARGSUSED*/
11080 static void
11081 ex_X(eap)
11082 exarg_T *eap;
11083 {
11084 (void)get_crypt_key(TRUE, TRUE);
11085 }
11086 #endif
11087
11088 #ifdef FEAT_FOLDING
11089 static void
11090 ex_fold(eap)
11091 exarg_T *eap;
11092 {
11093 if (foldManualAllowed(TRUE))
11094 foldCreate(eap->line1, eap->line2);
11095 }
11096
11097 static void
11098 ex_foldopen(eap)
11099 exarg_T *eap;
11100 {
11101 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11102 eap->forceit, FALSE);
11103 }
11104
11105 static void
11106 ex_folddo(eap)
11107 exarg_T *eap;
11108 {
11109 linenr_T lnum;
11110
11111 /* First set the marks for all lines closed/open. */
11112 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11113 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11114 ml_setmarked(lnum);
11115
11116 /* Execute the command on the marked lines. */
11117 global_exe(eap->arg);
11118 ml_clearmarked(); /* clear rest of the marks */
11119 }
11120 #endif
Vim for the Mac