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Merge branch 'vim' into feat/emb-common-lisp
[vim_extended.git] / src / ex_docmd.c
blob332cd5afb5749dd68f86c14ee2afb2c5989530c8
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) || !defined(FEAT_ECL)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
215 static void ex_popup __ARGS((exarg_T *eap));
216 #else
217 # define ex_popup ex_ni
218 #endif
219 #ifndef FEAT_GUI_MSWIN
220 # define ex_simalt ex_ni
221 #endif
222 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
223 # define gui_mch_find_dialog ex_ni
224 # define gui_mch_replace_dialog ex_ni
225 #endif
226 #if !defined(FEAT_GUI_GTK)
227 # define ex_helpfind ex_ni
228 #endif
229 #ifndef FEAT_CSCOPE
230 # define do_cscope ex_ni
231 # define do_scscope ex_ni
232 # define do_cstag ex_ni
233 #endif
234 #ifndef FEAT_SYN_HL
235 # define ex_syntax ex_ni
236 #endif
237 #ifndef FEAT_SPELL
238 # define ex_spell ex_ni
239 # define ex_mkspell ex_ni
240 # define ex_spelldump ex_ni
241 # define ex_spellinfo ex_ni
242 # define ex_spellrepall ex_ni
243 #endif
244 #ifndef FEAT_MZSCHEME
245 # define ex_mzscheme ex_script_ni
246 # define ex_mzfile ex_ni
247 #endif
248 #ifndef FEAT_PERL
249 # define ex_perl ex_script_ni
250 # define ex_perldo ex_ni
251 #endif
252 #ifndef FEAT_PYTHON
253 # define ex_python ex_script_ni
254 # define ex_pyfile ex_ni
255 #endif
256 #ifndef FEAT_TCL
257 # define ex_tcl ex_script_ni
258 # define ex_tcldo ex_ni
259 # define ex_tclfile ex_ni
260 #endif
261 #ifndef FEAT_RUBY
262 # define ex_ruby ex_script_ni
263 # define ex_rubydo ex_ni
264 # define ex_rubyfile ex_ni
265 #endif
266 #ifndef FEAT_ECL
267 # define ex_ecl ex_script_ni
268 #endif
269 #ifndef FEAT_SNIFF
270 # define ex_sniff ex_ni
271 #endif
272 #ifndef FEAT_KEYMAP
273 # define ex_loadkeymap ex_ni
274 #endif
275 static void ex_swapname __ARGS((exarg_T *eap));
276 static void ex_syncbind __ARGS((exarg_T *eap));
277 static void ex_read __ARGS((exarg_T *eap));
278 static void ex_pwd __ARGS((exarg_T *eap));
279 static void ex_equal __ARGS((exarg_T *eap));
280 static void ex_sleep __ARGS((exarg_T *eap));
281 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
282 static void ex_winsize __ARGS((exarg_T *eap));
283 #ifdef FEAT_WINDOWS
284 static void ex_wincmd __ARGS((exarg_T *eap));
285 #else
286 # define ex_wincmd ex_ni
287 #endif
288 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
289 static void ex_winpos __ARGS((exarg_T *eap));
290 #else
291 # define ex_winpos ex_ni
292 #endif
293 static void ex_operators __ARGS((exarg_T *eap));
294 static void ex_put __ARGS((exarg_T *eap));
295 static void ex_copymove __ARGS((exarg_T *eap));
296 static void ex_may_print __ARGS((exarg_T *eap));
297 static void ex_submagic __ARGS((exarg_T *eap));
298 static void ex_join __ARGS((exarg_T *eap));
299 static void ex_at __ARGS((exarg_T *eap));
300 static void ex_bang __ARGS((exarg_T *eap));
301 static void ex_undo __ARGS((exarg_T *eap));
302 static void ex_redo __ARGS((exarg_T *eap));
303 static void ex_later __ARGS((exarg_T *eap));
304 static void ex_redir __ARGS((exarg_T *eap));
305 static void ex_redraw __ARGS((exarg_T *eap));
306 static void ex_redrawstatus __ARGS((exarg_T *eap));
307 static void close_redir __ARGS((void));
308 static void ex_mkrc __ARGS((exarg_T *eap));
309 static void ex_mark __ARGS((exarg_T *eap));
310 #ifdef FEAT_USR_CMDS
311 static char_u *uc_fun_cmd __ARGS((void));
312 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
313 #endif
314 #ifdef FEAT_EX_EXTRA
315 static void ex_normal __ARGS((exarg_T *eap));
316 static void ex_startinsert __ARGS((exarg_T *eap));
317 static void ex_stopinsert __ARGS((exarg_T *eap));
318 #else
319 # define ex_normal ex_ni
320 # define ex_align ex_ni
321 # define ex_retab ex_ni
322 # define ex_startinsert ex_ni
323 # define ex_stopinsert ex_ni
324 # define ex_helptags ex_ni
325 # define ex_sort ex_ni
326 #endif
327 #ifdef FEAT_FIND_ID
328 static void ex_checkpath __ARGS((exarg_T *eap));
329 static void ex_findpat __ARGS((exarg_T *eap));
330 #else
331 # define ex_findpat ex_ni
332 # define ex_checkpath ex_ni
333 #endif
334 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
335 static void ex_psearch __ARGS((exarg_T *eap));
336 #else
337 # define ex_psearch ex_ni
338 #endif
339 static void ex_tag __ARGS((exarg_T *eap));
340 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
341 #ifndef FEAT_EVAL
342 # define ex_scriptnames ex_ni
343 # define ex_finish ex_ni
344 # define ex_echo ex_ni
345 # define ex_echohl ex_ni
346 # define ex_execute ex_ni
347 # define ex_call ex_ni
348 # define ex_if ex_ni
349 # define ex_endif ex_ni
350 # define ex_else ex_ni
351 # define ex_while ex_ni
352 # define ex_for ex_ni
353 # define ex_continue ex_ni
354 # define ex_break ex_ni
355 # define ex_endwhile ex_ni
356 # define ex_endfor ex_ni
357 # define ex_throw ex_ni
358 # define ex_try ex_ni
359 # define ex_catch ex_ni
360 # define ex_finally ex_ni
361 # define ex_endtry ex_ni
362 # define ex_endfunction ex_ni
363 # define ex_let ex_ni
364 # define ex_unlet ex_ni
365 # define ex_lockvar ex_ni
366 # define ex_unlockvar ex_ni
367 # define ex_function ex_ni
368 # define ex_delfunction ex_ni
369 # define ex_return ex_ni
370 # define ex_oldfiles ex_ni
371 #endif
372 static char_u *arg_all __ARGS((void));
373 #ifdef FEAT_SESSION
374 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
375 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
376 static void ex_loadview __ARGS((exarg_T *eap));
377 static char_u *get_view_file __ARGS((int c));
378 static int did_lcd; /* whether ":lcd" was produced for a session */
379 #else
380 # define ex_loadview ex_ni
381 #endif
382 #ifndef FEAT_EVAL
383 # define ex_compiler ex_ni
384 #endif
385 #ifdef FEAT_VIMINFO
386 static void ex_viminfo __ARGS((exarg_T *eap));
387 #else
388 # define ex_viminfo ex_ni
389 #endif
390 static void ex_behave __ARGS((exarg_T *eap));
391 #ifdef FEAT_AUTOCMD
392 static void ex_filetype __ARGS((exarg_T *eap));
393 static void ex_setfiletype __ARGS((exarg_T *eap));
394 #else
395 # define ex_filetype ex_ni
396 # define ex_setfiletype ex_ni
397 #endif
398 #ifndef FEAT_DIFF
399 # define ex_diffoff ex_ni
400 # define ex_diffpatch ex_ni
401 # define ex_diffgetput ex_ni
402 # define ex_diffsplit ex_ni
403 # define ex_diffthis ex_ni
404 # define ex_diffupdate ex_ni
405 #endif
406 static void ex_digraphs __ARGS((exarg_T *eap));
407 static void ex_set __ARGS((exarg_T *eap));
408 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
409 # define ex_options ex_ni
410 #endif
411 #ifdef FEAT_SEARCH_EXTRA
412 static void ex_nohlsearch __ARGS((exarg_T *eap));
413 static void ex_match __ARGS((exarg_T *eap));
414 #else
415 # define ex_nohlsearch ex_ni
416 # define ex_match ex_ni
417 #endif
418 #ifdef FEAT_CRYPT
419 static void ex_X __ARGS((exarg_T *eap));
420 #else
421 # define ex_X ex_ni
422 #endif
423 #ifdef FEAT_FOLDING
424 static void ex_fold __ARGS((exarg_T *eap));
425 static void ex_foldopen __ARGS((exarg_T *eap));
426 static void ex_folddo __ARGS((exarg_T *eap));
427 #else
428 # define ex_fold ex_ni
429 # define ex_foldopen ex_ni
430 # define ex_folddo ex_ni
431 #endif
432 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
433 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
434 # define ex_language ex_ni
435 #endif
436 #ifndef FEAT_SIGNS
437 # define ex_sign ex_ni
438 #endif
439 #ifndef FEAT_SUN_WORKSHOP
440 # define ex_wsverb ex_ni
441 #endif
442 #ifndef FEAT_NETBEANS_INTG
443 # define ex_nbkey ex_ni
444 #endif
445
446 #ifndef FEAT_EVAL
447 # define ex_debug ex_ni
448 # define ex_breakadd ex_ni
449 # define ex_debuggreedy ex_ni
450 # define ex_breakdel ex_ni
451 # define ex_breaklist ex_ni
452 #endif
453
454 #ifndef FEAT_CMDHIST
455 # define ex_history ex_ni
456 #endif
457 #ifndef FEAT_JUMPLIST
458 # define ex_jumps ex_ni
459 # define ex_changes ex_ni
460 #endif
461
462 #ifndef FEAT_PROFILE
463 # define ex_profile ex_ni
464 #endif
465
466 /*
467 * Declare cmdnames[].
468 */
469 #define DO_DECLARE_EXCMD
470 #include "ex_cmds.h"
471
472 /*
473 * Table used to quickly search for a command, based on its first character.
474 */
475 static cmdidx_T cmdidxs[27] =
476 {
477 CMD_append,
478 CMD_buffer,
479 CMD_change,
480 CMD_delete,
481 CMD_edit,
482 CMD_file,
483 CMD_global,
484 CMD_help,
485 CMD_insert,
486 CMD_join,
487 CMD_k,
488 CMD_list,
489 CMD_move,
490 CMD_next,
491 CMD_open,
492 CMD_print,
493 CMD_quit,
494 CMD_read,
495 CMD_substitute,
496 CMD_t,
497 CMD_undo,
498 CMD_vglobal,
499 CMD_write,
500 CMD_xit,
501 CMD_yank,
502 CMD_z,
503 CMD_bang
504 };
505
506 static char_u dollar_command[2] = {'$', 0};
507
508
509 #ifdef FEAT_EVAL
510 /* Struct for storing a line inside a while/for loop */
511 typedef struct
512 {
513 char_u *line; /* command line */
514 linenr_T lnum; /* sourcing_lnum of the line */
515 } wcmd_T;
516
517 /*
518 * Structure used to store info for line position in a while or for loop.
519 * This is required, because do_one_cmd() may invoke ex_function(), which
520 * reads more lines that may come from the while/for loop.
521 */
522 struct loop_cookie
523 {
524 garray_T *lines_gap; /* growarray with line info */
525 int current_line; /* last read line from growarray */
526 int repeating; /* TRUE when looping a second time */
527 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
528 char_u *(*getline) __ARGS((int, void *, int));
529 void *cookie;
530 };
531
532 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
533 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
534 static void free_cmdlines __ARGS((garray_T *gap));
535
536 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
537 struct dbg_stuff
538 {
539 int trylevel;
540 int force_abort;
541 except_T *caught_stack;
542 char_u *vv_exception;
543 char_u *vv_throwpoint;
544 int did_emsg;
545 int got_int;
546 int did_throw;
547 int need_rethrow;
548 int check_cstack;
549 except_T *current_exception;
550 };
551
552 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
553 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
554
555 static void
556 save_dbg_stuff(dsp)
557 struct dbg_stuff *dsp;
558 {
559 dsp->trylevel = trylevel; trylevel = 0;
560 dsp->force_abort = force_abort; force_abort = FALSE;
561 dsp->caught_stack = caught_stack; caught_stack = NULL;
562 dsp->vv_exception = v_exception(NULL);
563 dsp->vv_throwpoint = v_throwpoint(NULL);
564
565 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
566 dsp->did_emsg = did_emsg; did_emsg = FALSE;
567 dsp->got_int = got_int; got_int = FALSE;
568 dsp->did_throw = did_throw; did_throw = FALSE;
569 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
570 dsp->check_cstack = check_cstack; check_cstack = FALSE;
571 dsp->current_exception = current_exception; current_exception = NULL;
572 }
573
574 static void
575 restore_dbg_stuff(dsp)
576 struct dbg_stuff *dsp;
577 {
578 suppress_errthrow = FALSE;
579 trylevel = dsp->trylevel;
580 force_abort = dsp->force_abort;
581 caught_stack = dsp->caught_stack;
582 (void)v_exception(dsp->vv_exception);
583 (void)v_throwpoint(dsp->vv_throwpoint);
584 did_emsg = dsp->did_emsg;
585 got_int = dsp->got_int;
586 did_throw = dsp->did_throw;
587 need_rethrow = dsp->need_rethrow;
588 check_cstack = dsp->check_cstack;
589 current_exception = dsp->current_exception;
590 }
591 #endif
592
593
594 /*
595 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
596 * command is given.
597 */
598 void
599 do_exmode(improved)
600 int improved; /* TRUE for "improved Ex" mode */
601 {
602 int save_msg_scroll;
603 int prev_msg_row;
604 linenr_T prev_line;
605 int changedtick;
606
607 if (improved)
608 exmode_active = EXMODE_VIM;
609 else
610 exmode_active = EXMODE_NORMAL;
611 State = NORMAL;
612
613 /* When using ":global /pat/ visual" and then "Q" we return to continue
614 * the :global command. */
615 if (global_busy)
616 return;
617
618 save_msg_scroll = msg_scroll;
619 ++RedrawingDisabled; /* don't redisplay the window */
620 ++no_wait_return; /* don't wait for return */
621 #ifdef FEAT_GUI
622 /* Ignore scrollbar and mouse events in Ex mode */
623 ++hold_gui_events;
624 #endif
625 #ifdef FEAT_SNIFF
626 want_sniff_request = 0; /* No K_SNIFF wanted */
627 #endif
628
629 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
630 while (exmode_active)
631 {
632 #ifdef FEAT_EX_EXTRA
633 /* Check for a ":normal" command and no more characters left. */
634 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
635 {
636 exmode_active = FALSE;
637 break;
638 }
639 #endif
640 msg_scroll = TRUE;
641 need_wait_return = FALSE;
642 ex_pressedreturn = FALSE;
643 ex_no_reprint = FALSE;
644 changedtick = curbuf->b_changedtick;
645 prev_msg_row = msg_row;
646 prev_line = curwin->w_cursor.lnum;
647 #ifdef FEAT_SNIFF
648 ProcessSniffRequests();
649 #endif
650 if (improved)
651 {
652 cmdline_row = msg_row;
653 do_cmdline(NULL, getexline, NULL, 0);
654 }
655 else
656 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
657 lines_left = Rows - 1;
658
659 if ((prev_line != curwin->w_cursor.lnum
660 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
661 {
662 if (curbuf->b_ml.ml_flags & ML_EMPTY)
663 EMSG(_(e_emptybuf));
664 else
665 {
666 if (ex_pressedreturn)
667 {
668 /* go up one line, to overwrite the ":<CR>" line, so the
669 * output doesn't contain empty lines. */
670 msg_row = prev_msg_row;
671 if (prev_msg_row == Rows - 1)
672 msg_row--;
673 }
674 msg_col = 0;
675 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
676 msg_clr_eos();
677 }
678 }
679 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
680 {
681 if (curbuf->b_ml.ml_flags & ML_EMPTY)
682 EMSG(_(e_emptybuf));
683 else
684 EMSG(_("E501: At end-of-file"));
685 }
686 }
687
688 #ifdef FEAT_GUI
689 --hold_gui_events;
690 #endif
691 --RedrawingDisabled;
692 --no_wait_return;
693 update_screen(CLEAR);
694 need_wait_return = FALSE;
695 msg_scroll = save_msg_scroll;
696 }
697
698 /*
699 * Execute a simple command line. Used for translated commands like "*".
700 */
701 int
702 do_cmdline_cmd(cmd)
703 char_u *cmd;
704 {
705 return do_cmdline(cmd, NULL, NULL,
706 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
707 }
708
709 /*
710 * do_cmdline(): execute one Ex command line
711 *
712 * 1. Execute "cmdline" when it is not NULL.
713 * If "cmdline" is NULL, or more lines are needed, getline() is used.
714 * 2. Split up in parts separated with '|'.
715 *
716 * This function can be called recursively!
717 *
718 * flags:
719 * DOCMD_VERBOSE - The command will be included in the error message.
720 * DOCMD_NOWAIT - Don't call wait_return() and friends.
721 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
722 * DOCMD_KEYTYPED - Don't reset KeyTyped.
723 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
724 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
725 *
726 * return FAIL if cmdline could not be executed, OK otherwise
727 */
728 int
729 do_cmdline(cmdline, getline, cookie, flags)
730 char_u *cmdline;
731 char_u *(*getline) __ARGS((int, void *, int));
732 void *cookie; /* argument for getline() */
733 int flags;
734 {
735 char_u *next_cmdline; /* next cmd to execute */
736 char_u *cmdline_copy = NULL; /* copy of cmd line */
737 int used_getline = FALSE; /* used "getline" to obtain command */
738 static int recursive = 0; /* recursive depth */
739 int msg_didout_before_start = 0;
740 int count = 0; /* line number count */
741 int did_inc = FALSE; /* incremented RedrawingDisabled */
742 int retval = OK;
743 #ifdef FEAT_EVAL
744 struct condstack cstack; /* conditional stack */
745 garray_T lines_ga; /* keep lines for ":while"/":for" */
746 int current_line = 0; /* active line in lines_ga */
747 char_u *fname = NULL; /* function or script name */
748 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
749 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
750 struct dbg_stuff debug_saved; /* saved things for debug mode */
751 int initial_trylevel;
752 struct msglist **saved_msg_list = NULL;
753 struct msglist *private_msg_list;
754
755 /* "getline" and "cookie" passed to do_one_cmd() */
756 char_u *(*cmd_getline) __ARGS((int, void *, int));
757 void *cmd_cookie;
758 struct loop_cookie cmd_loop_cookie;
759 void *real_cookie;
760 int getline_is_func;
761 #else
762 # define cmd_getline getline
763 # define cmd_cookie cookie
764 #endif
765 static int call_depth = 0; /* recursiveness */
766
767 #ifdef FEAT_EVAL
768 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
769 * location for storing error messages to be converted to an exception.
770 * This ensures that the do_errthrow() call in do_one_cmd() does not
771 * combine the messages stored by an earlier invocation of do_one_cmd()
772 * with the command name of the later one. This would happen when
773 * BufWritePost autocommands are executed after a write error. */
774 saved_msg_list = msg_list;
775 msg_list = &private_msg_list;
776 private_msg_list = NULL;
777 #endif
778
779 /* It's possible to create an endless loop with ":execute", catch that
780 * here. The value of 200 allows nested function calls, ":source", etc. */
781 if (call_depth == 200)
782 {
783 EMSG(_("E169: Command too recursive"));
784 #ifdef FEAT_EVAL
785 /* When converting to an exception, we do not include the command name
786 * since this is not an error of the specific command. */
787 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
788 msg_list = saved_msg_list;
789 #endif
790 return FAIL;
791 }
792 ++call_depth;
793
794 #ifdef FEAT_EVAL
795 cstack.cs_idx = -1;
796 cstack.cs_looplevel = 0;
797 cstack.cs_trylevel = 0;
798 cstack.cs_emsg_silent_list = NULL;
799 cstack.cs_lflags = 0;
800 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
801
802 real_cookie = getline_cookie(getline, cookie);
803
804 /* Inside a function use a higher nesting level. */
805 getline_is_func = getline_equal(getline, cookie, get_func_line);
806 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
807 ++ex_nesting_level;
808
809 /* Get the function or script name and the address where the next breakpoint
810 * line and the debug tick for a function or script are stored. */
811 if (getline_is_func)
812 {
813 fname = func_name(real_cookie);
814 breakpoint = func_breakpoint(real_cookie);
815 dbg_tick = func_dbg_tick(real_cookie);
816 }
817 else if (getline_equal(getline, cookie, getsourceline))
818 {
819 fname = sourcing_name;
820 breakpoint = source_breakpoint(real_cookie);
821 dbg_tick = source_dbg_tick(real_cookie);
822 }
823
824 /*
825 * Initialize "force_abort" and "suppress_errthrow" at the top level.
826 */
827 if (!recursive)
828 {
829 force_abort = FALSE;
830 suppress_errthrow = FALSE;
831 }
832
833 /*
834 * If requested, store and reset the global values controlling the
835 * exception handling (used when debugging). Otherwise clear it to avoid
836 * a bogus compiler warning when the optimizer uses inline functions...
837 */
838 if (flags & DOCMD_EXCRESET)
839 save_dbg_stuff(&debug_saved);
840 else
841 memset(&debug_saved, 0, 1);
842
843 initial_trylevel = trylevel;
844
845 /*
846 * "did_throw" will be set to TRUE when an exception is being thrown.
847 */
848 did_throw = FALSE;
849 #endif
850 /*
851 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
852 * cancel the whole command line, and any if/endif or loop.
853 * If force_abort is set, we cancel everything.
854 */
855 did_emsg = FALSE;
856
857 /*
858 * KeyTyped is only set when calling vgetc(). Reset it here when not
859 * calling vgetc() (sourced command lines).
860 */
861 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
862 KeyTyped = FALSE;
863
864 /*
865 * Continue executing command lines:
866 * - when inside an ":if", ":while" or ":for"
867 * - for multiple commands on one line, separated with '|'
868 * - when repeating until there are no more lines (for ":source")
869 */
870 next_cmdline = cmdline;
871 do
872 {
873 #ifdef FEAT_EVAL
874 getline_is_func = getline_equal(getline, cookie, get_func_line);
875 #endif
876
877 /* stop skipping cmds for an error msg after all endif/while/for */
878 if (next_cmdline == NULL
879 #ifdef FEAT_EVAL
880 && !force_abort
881 && cstack.cs_idx < 0
882 && !(getline_is_func && func_has_abort(real_cookie))
883 #endif
884 )
885 did_emsg = FALSE;
886
887 /*
888 * 1. If repeating a line in a loop, get a line from lines_ga.
889 * 2. If no line given: Get an allocated line with getline().
890 * 3. If a line is given: Make a copy, so we can mess with it.
891 */
892
893 #ifdef FEAT_EVAL
894 /* 1. If repeating, get a previous line from lines_ga. */
895 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
896 {
897 /* Each '|' separated command is stored separately in lines_ga, to
898 * be able to jump to it. Don't use next_cmdline now. */
899 vim_free(cmdline_copy);
900 cmdline_copy = NULL;
901
902 /* Check if a function has returned or, unless it has an unclosed
903 * try conditional, aborted. */
904 if (getline_is_func)
905 {
906 # ifdef FEAT_PROFILE
907 if (do_profiling == PROF_YES)
908 func_line_end(real_cookie);
909 # endif
910 if (func_has_ended(real_cookie))
911 {
912 retval = FAIL;
913 break;
914 }
915 }
916 #ifdef FEAT_PROFILE
917 else if (do_profiling == PROF_YES
918 && getline_equal(getline, cookie, getsourceline))
919 script_line_end();
920 #endif
921
922 /* Check if a sourced file hit a ":finish" command. */
923 if (source_finished(getline, cookie))
924 {
925 retval = FAIL;
926 break;
927 }
928
929 /* If breakpoints have been added/deleted need to check for it. */
930 if (breakpoint != NULL && dbg_tick != NULL
931 && *dbg_tick != debug_tick)
932 {
933 *breakpoint = dbg_find_breakpoint(
934 getline_equal(getline, cookie, getsourceline),
935 fname, sourcing_lnum);
936 *dbg_tick = debug_tick;
937 }
938
939 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
940 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
941
942 /* Did we encounter a breakpoint? */
943 if (breakpoint != NULL && *breakpoint != 0
944 && *breakpoint <= sourcing_lnum)
945 {
946 dbg_breakpoint(fname, sourcing_lnum);
947 /* Find next breakpoint. */
948 *breakpoint = dbg_find_breakpoint(
949 getline_equal(getline, cookie, getsourceline),
950 fname, sourcing_lnum);
951 *dbg_tick = debug_tick;
952 }
953 # ifdef FEAT_PROFILE
954 if (do_profiling == PROF_YES)
955 {
956 if (getline_is_func)
957 func_line_start(real_cookie);
958 else if (getline_equal(getline, cookie, getsourceline))
959 script_line_start();
960 }
961 # endif
962 }
963
964 if (cstack.cs_looplevel > 0)
965 {
966 /* Inside a while/for loop we need to store the lines and use them
967 * again. Pass a different "getline" function to do_one_cmd()
968 * below, so that it stores lines in or reads them from
969 * "lines_ga". Makes it possible to define a function inside a
970 * while/for loop. */
971 cmd_getline = get_loop_line;
972 cmd_cookie = (void *)&cmd_loop_cookie;
973 cmd_loop_cookie.lines_gap = &lines_ga;
974 cmd_loop_cookie.current_line = current_line;
975 cmd_loop_cookie.getline = getline;
976 cmd_loop_cookie.cookie = cookie;
977 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
978 }
979 else
980 {
981 cmd_getline = getline;
982 cmd_cookie = cookie;
983 }
984 #endif
985
986 /* 2. If no line given, get an allocated line with getline(). */
987 if (next_cmdline == NULL)
988 {
989 /*
990 * Need to set msg_didout for the first line after an ":if",
991 * otherwise the ":if" will be overwritten.
992 */
993 if (count == 1 && getline_equal(getline, cookie, getexline))
994 msg_didout = TRUE;
995 if (getline == NULL || (next_cmdline = getline(':', cookie,
996 #ifdef FEAT_EVAL
997 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
998 #else
999 0
1000 #endif
1001 )) == NULL)
1002 {
1003 /* Don't call wait_return for aborted command line. The NULL
1004 * returned for the end of a sourced file or executed function
1005 * doesn't do this. */
1006 if (KeyTyped && !(flags & DOCMD_REPEAT))
1007 need_wait_return = FALSE;
1008 retval = FAIL;
1009 break;
1010 }
1011 used_getline = TRUE;
1012
1013 /*
1014 * Keep the first typed line. Clear it when more lines are typed.
1015 */
1016 if (flags & DOCMD_KEEPLINE)
1017 {
1018 vim_free(repeat_cmdline);
1019 if (count == 0)
1020 repeat_cmdline = vim_strsave(next_cmdline);
1021 else
1022 repeat_cmdline = NULL;
1023 }
1024 }
1025
1026 /* 3. Make a copy of the command so we can mess with it. */
1027 else if (cmdline_copy == NULL)
1028 {
1029 next_cmdline = vim_strsave(next_cmdline);
1030 if (next_cmdline == NULL)
1031 {
1032 EMSG(_(e_outofmem));
1033 retval = FAIL;
1034 break;
1035 }
1036 }
1037 cmdline_copy = next_cmdline;
1038
1039 #ifdef FEAT_EVAL
1040 /*
1041 * Save the current line when inside a ":while" or ":for", and when
1042 * the command looks like a ":while" or ":for", because we may need it
1043 * later. When there is a '|' and another command, it is stored
1044 * separately, because we need to be able to jump back to it from an
1045 * :endwhile/:endfor.
1046 */
1047 if (current_line == lines_ga.ga_len
1048 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1049 {
1050 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1051 {
1052 retval = FAIL;
1053 break;
1054 }
1055 }
1056 did_endif = FALSE;
1057 #endif
1058
1059 if (count++ == 0)
1060 {
1061 /*
1062 * All output from the commands is put below each other, without
1063 * waiting for a return. Don't do this when executing commands
1064 * from a script or when being called recursive (e.g. for ":e
1065 * +command file").
1066 */
1067 if (!(flags & DOCMD_NOWAIT) && !recursive)
1068 {
1069 msg_didout_before_start = msg_didout;
1070 msg_didany = FALSE; /* no output yet */
1071 msg_start();
1072 msg_scroll = TRUE; /* put messages below each other */
1073 ++no_wait_return; /* dont wait for return until finished */
1074 ++RedrawingDisabled;
1075 did_inc = TRUE;
1076 }
1077 }
1078
1079 if (p_verbose >= 15 && sourcing_name != NULL)
1080 {
1081 ++no_wait_return;
1082 verbose_enter_scroll();
1083
1084 smsg((char_u *)_("line %ld: %s"),
1085 (long)sourcing_lnum, cmdline_copy);
1086 if (msg_silent == 0)
1087 msg_puts((char_u *)"\n"); /* don't overwrite this */
1088
1089 verbose_leave_scroll();
1090 --no_wait_return;
1091 }
1092
1093 /*
1094 * 2. Execute one '|' separated command.
1095 * do_one_cmd() will return NULL if there is no trailing '|'.
1096 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1097 */
1098 ++recursive;
1099 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1100 #ifdef FEAT_EVAL
1101 &cstack,
1102 #endif
1103 cmd_getline, cmd_cookie);
1104 --recursive;
1105
1106 #ifdef FEAT_EVAL
1107 if (cmd_cookie == (void *)&cmd_loop_cookie)
1108 /* Use "current_line" from "cmd_loop_cookie", it may have been
1109 * incremented when defining a function. */
1110 current_line = cmd_loop_cookie.current_line;
1111 #endif
1112
1113 if (next_cmdline == NULL)
1114 {
1115 vim_free(cmdline_copy);
1116 cmdline_copy = NULL;
1117 #ifdef FEAT_CMDHIST
1118 /*
1119 * If the command was typed, remember it for the ':' register.
1120 * Do this AFTER executing the command to make :@: work.
1121 */
1122 if (getline_equal(getline, cookie, getexline)
1123 && new_last_cmdline != NULL)
1124 {
1125 vim_free(last_cmdline);
1126 last_cmdline = new_last_cmdline;
1127 new_last_cmdline = NULL;
1128 }
1129 #endif
1130 }
1131 else
1132 {
1133 /* need to copy the command after the '|' to cmdline_copy, for the
1134 * next do_one_cmd() */
1135 STRMOVE(cmdline_copy, next_cmdline);
1136 next_cmdline = cmdline_copy;
1137 }
1138
1139
1140 #ifdef FEAT_EVAL
1141 /* reset did_emsg for a function that is not aborted by an error */
1142 if (did_emsg && !force_abort
1143 && getline_equal(getline, cookie, get_func_line)
1144 && !func_has_abort(real_cookie))
1145 did_emsg = FALSE;
1146
1147 if (cstack.cs_looplevel > 0)
1148 {
1149 ++current_line;
1150
1151 /*
1152 * An ":endwhile", ":endfor" and ":continue" is handled here.
1153 * If we were executing commands, jump back to the ":while" or
1154 * ":for".
1155 * If we were not executing commands, decrement cs_looplevel.
1156 */
1157 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1158 {
1159 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1160
1161 /* Jump back to the matching ":while" or ":for". Be careful
1162 * not to use a cs_line[] from an entry that isn't a ":while"
1163 * or ":for": It would make "current_line" invalid and can
1164 * cause a crash. */
1165 if (!did_emsg && !got_int && !did_throw
1166 && cstack.cs_idx >= 0
1167 && (cstack.cs_flags[cstack.cs_idx]
1168 & (CSF_WHILE | CSF_FOR))
1169 && cstack.cs_line[cstack.cs_idx] >= 0
1170 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1171 {
1172 current_line = cstack.cs_line[cstack.cs_idx];
1173 /* remember we jumped there */
1174 cstack.cs_lflags |= CSL_HAD_LOOP;
1175 line_breakcheck(); /* check if CTRL-C typed */
1176
1177 /* Check for the next breakpoint at or after the ":while"
1178 * or ":for". */
1179 if (breakpoint != NULL)
1180 {
1181 *breakpoint = dbg_find_breakpoint(
1182 getline_equal(getline, cookie, getsourceline),
1183 fname,
1184 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1185 *dbg_tick = debug_tick;
1186 }
1187 }
1188 else
1189 {
1190 /* can only get here with ":endwhile" or ":endfor" */
1191 if (cstack.cs_idx >= 0)
1192 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1193 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1194 }
1195 }
1196
1197 /*
1198 * For a ":while" or ":for" we need to remember the line number.
1199 */
1200 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1201 {
1202 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1203 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1204 }
1205 }
1206
1207 /*
1208 * When not inside any ":while" loop, clear remembered lines.
1209 */
1210 if (cstack.cs_looplevel == 0)
1211 {
1212 if (lines_ga.ga_len > 0)
1213 {
1214 sourcing_lnum =
1215 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1216 free_cmdlines(&lines_ga);
1217 }
1218 current_line = 0;
1219 }
1220
1221 /*
1222 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1223 * being restored at the ":endtry". Reset them here and set the
1224 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1225 * This includes the case where a missing ":endif", ":endwhile" or
1226 * ":endfor" was detected by the ":finally" itself.
1227 */
1228 if (cstack.cs_lflags & CSL_HAD_FINA)
1229 {
1230 cstack.cs_lflags &= ~CSL_HAD_FINA;
1231 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1232 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1233 did_throw ? (void *)current_exception : NULL);
1234 did_emsg = got_int = did_throw = FALSE;
1235 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1236 }
1237
1238 /* Update global "trylevel" for recursive calls to do_cmdline() from
1239 * within this loop. */
1240 trylevel = initial_trylevel + cstack.cs_trylevel;
1241
1242 /*
1243 * If the outermost try conditional (across function calls and sourced
1244 * files) is aborted because of an error, an interrupt, or an uncaught
1245 * exception, cancel everything. If it is left normally, reset
1246 * force_abort to get the non-EH compatible abortion behavior for
1247 * the rest of the script.
1248 */
1249 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1250 force_abort = FALSE;
1251
1252 /* Convert an interrupt to an exception if appropriate. */
1253 (void)do_intthrow(&cstack);
1254 #endif /* FEAT_EVAL */
1255
1256 }
1257 /*
1258 * Continue executing command lines when:
1259 * - no CTRL-C typed, no aborting error, no exception thrown or try
1260 * conditionals need to be checked for executing finally clauses or
1261 * catching an interrupt exception
1262 * - didn't get an error message or lines are not typed
1263 * - there is a command after '|', inside a :if, :while, :for or :try, or
1264 * looping for ":source" command or function call.
1265 */
1266 while (!((got_int
1267 #ifdef FEAT_EVAL
1268 || (did_emsg && force_abort) || did_throw
1269 #endif
1270 )
1271 #ifdef FEAT_EVAL
1272 && cstack.cs_trylevel == 0
1273 #endif
1274 )
1275 && !(did_emsg && used_getline
1276 && (getline_equal(getline, cookie, getexmodeline)
1277 || getline_equal(getline, cookie, getexline)))
1278 && (next_cmdline != NULL
1279 #ifdef FEAT_EVAL
1280 || cstack.cs_idx >= 0
1281 #endif
1282 || (flags & DOCMD_REPEAT)));
1283
1284 vim_free(cmdline_copy);
1285 #ifdef FEAT_EVAL
1286 free_cmdlines(&lines_ga);
1287 ga_clear(&lines_ga);
1288
1289 if (cstack.cs_idx >= 0)
1290 {
1291 /*
1292 * If a sourced file or executed function ran to its end, report the
1293 * unclosed conditional.
1294 */
1295 if (!got_int && !did_throw
1296 && ((getline_equal(getline, cookie, getsourceline)
1297 && !source_finished(getline, cookie))
1298 || (getline_equal(getline, cookie, get_func_line)
1299 && !func_has_ended(real_cookie))))
1300 {
1301 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1302 EMSG(_(e_endtry));
1303 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1304 EMSG(_(e_endwhile));
1305 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1306 EMSG(_(e_endfor));
1307 else
1308 EMSG(_(e_endif));
1309 }
1310
1311 /*
1312 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1313 * ":endtry" in a sourced file or executed function. If the try
1314 * conditional is in its finally clause, ignore anything pending.
1315 * If it is in a catch clause, finish the caught exception.
1316 * Also cleanup any "cs_forinfo" structures.
1317 */
1318 do
1319 {
1320 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1321
1322 if (idx >= 0)
1323 --idx; /* remove try block not in its finally clause */
1324 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1325 &cstack.cs_looplevel);
1326 }
1327 while (cstack.cs_idx >= 0);
1328 trylevel = initial_trylevel;
1329 }
1330
1331 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1332 * lack was reported above and the error message is to be converted to an
1333 * exception, do this now after rewinding the cstack. */
1334 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1335 ? (char_u *)"endfunction" : (char_u *)NULL);
1336
1337 if (trylevel == 0)
1338 {
1339 /*
1340 * When an exception is being thrown out of the outermost try
1341 * conditional, discard the uncaught exception, disable the conversion
1342 * of interrupts or errors to exceptions, and ensure that no more
1343 * commands are executed.
1344 */
1345 if (did_throw)
1346 {
1347 void *p = NULL;
1348 char_u *saved_sourcing_name;
1349 int saved_sourcing_lnum;
1350 struct msglist *messages = NULL, *next;
1351
1352 /*
1353 * If the uncaught exception is a user exception, report it as an
1354 * error. If it is an error exception, display the saved error
1355 * message now. For an interrupt exception, do nothing; the
1356 * interrupt message is given elsewhere.
1357 */
1358 switch (current_exception->type)
1359 {
1360 case ET_USER:
1361 vim_snprintf((char *)IObuff, IOSIZE,
1362 _("E605: Exception not caught: %s"),
1363 current_exception->value);
1364 p = vim_strsave(IObuff);
1365 break;
1366 case ET_ERROR:
1367 messages = current_exception->messages;
1368 current_exception->messages = NULL;
1369 break;
1370 case ET_INTERRUPT:
1371 break;
1372 default:
1373 p = vim_strsave((char_u *)_(e_internal));
1374 }
1375
1376 saved_sourcing_name = sourcing_name;
1377 saved_sourcing_lnum = sourcing_lnum;
1378 sourcing_name = current_exception->throw_name;
1379 sourcing_lnum = current_exception->throw_lnum;
1380 current_exception->throw_name = NULL;
1381
1382 discard_current_exception(); /* uses IObuff if 'verbose' */
1383 suppress_errthrow = TRUE;
1384 force_abort = TRUE;
1385
1386 if (messages != NULL)
1387 {
1388 do
1389 {
1390 next = messages->next;
1391 emsg(messages->msg);
1392 vim_free(messages->msg);
1393 vim_free(messages);
1394 messages = next;
1395 }
1396 while (messages != NULL);
1397 }
1398 else if (p != NULL)
1399 {
1400 emsg(p);
1401 vim_free(p);
1402 }
1403 vim_free(sourcing_name);
1404 sourcing_name = saved_sourcing_name;
1405 sourcing_lnum = saved_sourcing_lnum;
1406 }
1407
1408 /*
1409 * On an interrupt or an aborting error not converted to an exception,
1410 * disable the conversion of errors to exceptions. (Interrupts are not
1411 * converted any more, here.) This enables also the interrupt message
1412 * when force_abort is set and did_emsg unset in case of an interrupt
1413 * from a finally clause after an error.
1414 */
1415 else if (got_int || (did_emsg && force_abort))
1416 suppress_errthrow = TRUE;
1417 }
1418
1419 /*
1420 * The current cstack will be freed when do_cmdline() returns. An uncaught
1421 * exception will have to be rethrown in the previous cstack. If a function
1422 * has just returned or a script file was just finished and the previous
1423 * cstack belongs to the same function or, respectively, script file, it
1424 * will have to be checked for finally clauses to be executed due to the
1425 * ":return" or ":finish". This is done in do_one_cmd().
1426 */
1427 if (did_throw)
1428 need_rethrow = TRUE;
1429 if ((getline_equal(getline, cookie, getsourceline)
1430 && ex_nesting_level > source_level(real_cookie))
1431 || (getline_equal(getline, cookie, get_func_line)
1432 && ex_nesting_level > func_level(real_cookie) + 1))
1433 {
1434 if (!did_throw)
1435 check_cstack = TRUE;
1436 }
1437 else
1438 {
1439 /* When leaving a function, reduce nesting level. */
1440 if (getline_equal(getline, cookie, get_func_line))
1441 --ex_nesting_level;
1442 /*
1443 * Go to debug mode when returning from a function in which we are
1444 * single-stepping.
1445 */
1446 if ((getline_equal(getline, cookie, getsourceline)
1447 || getline_equal(getline, cookie, get_func_line))
1448 && ex_nesting_level + 1 <= debug_break_level)
1449 do_debug(getline_equal(getline, cookie, getsourceline)
1450 ? (char_u *)_("End of sourced file")
1451 : (char_u *)_("End of function"));
1452 }
1453
1454 /*
1455 * Restore the exception environment (done after returning from the
1456 * debugger).
1457 */
1458 if (flags & DOCMD_EXCRESET)
1459 restore_dbg_stuff(&debug_saved);
1460
1461 msg_list = saved_msg_list;
1462 #endif /* FEAT_EVAL */
1463
1464 /*
1465 * If there was too much output to fit on the command line, ask the user to
1466 * hit return before redrawing the screen. With the ":global" command we do
1467 * this only once after the command is finished.
1468 */
1469 if (did_inc)
1470 {
1471 --RedrawingDisabled;
1472 --no_wait_return;
1473 msg_scroll = FALSE;
1474
1475 /*
1476 * When just finished an ":if"-":else" which was typed, no need to
1477 * wait for hit-return. Also for an error situation.
1478 */
1479 if (retval == FAIL
1480 #ifdef FEAT_EVAL
1481 || (did_endif && KeyTyped && !did_emsg)
1482 #endif
1483 )
1484 {
1485 need_wait_return = FALSE;
1486 msg_didany = FALSE; /* don't wait when restarting edit */
1487 }
1488 else if (need_wait_return)
1489 {
1490 /*
1491 * The msg_start() above clears msg_didout. The wait_return we do
1492 * here should not overwrite the command that may be shown before
1493 * doing that.
1494 */
1495 msg_didout |= msg_didout_before_start;
1496 wait_return(FALSE);
1497 }
1498 }
1499
1500 #ifndef FEAT_EVAL
1501 /*
1502 * Reset if_level, in case a sourced script file contains more ":if" than
1503 * ":endif" (could be ":if x | foo | endif").
1504 */
1505 if_level = 0;
1506 #endif
1507
1508 --call_depth;
1509 return retval;
1510 }
1511
1512 #ifdef FEAT_EVAL
1513 /*
1514 * Obtain a line when inside a ":while" or ":for" loop.
1515 */
1516 static char_u *
1517 get_loop_line(c, cookie, indent)
1518 int c;
1519 void *cookie;
1520 int indent;
1521 {
1522 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1523 wcmd_T *wp;
1524 char_u *line;
1525
1526 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1527 {
1528 if (cp->repeating)
1529 return NULL; /* trying to read past ":endwhile"/":endfor" */
1530
1531 /* First time inside the ":while"/":for": get line normally. */
1532 if (cp->getline == NULL)
1533 line = getcmdline(c, 0L, indent);
1534 else
1535 line = cp->getline(c, cp->cookie, indent);
1536 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1537 ++cp->current_line;
1538
1539 return line;
1540 }
1541
1542 KeyTyped = FALSE;
1543 ++cp->current_line;
1544 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1545 sourcing_lnum = wp->lnum;
1546 return vim_strsave(wp->line);
1547 }
1548
1549 /*
1550 * Store a line in "gap" so that a ":while" loop can execute it again.
1551 */
1552 static int
1553 store_loop_line(gap, line)
1554 garray_T *gap;
1555 char_u *line;
1556 {
1557 if (ga_grow(gap, 1) == FAIL)
1558 return FAIL;
1559 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1560 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1561 ++gap->ga_len;
1562 return OK;
1563 }
1564
1565 /*
1566 * Free the lines stored for a ":while" or ":for" loop.
1567 */
1568 static void
1569 free_cmdlines(gap)
1570 garray_T *gap;
1571 {
1572 while (gap->ga_len > 0)
1573 {
1574 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1575 --gap->ga_len;
1576 }
1577 }
1578 #endif
1579
1580 /*
1581 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1582 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1583 */
1584 /*ARGSUSED*/
1585 int
1586 getline_equal(fgetline, cookie, func)
1587 char_u *(*fgetline) __ARGS((int, void *, int));
1588 void *cookie; /* argument for fgetline() */
1589 char_u *(*func) __ARGS((int, void *, int));
1590 {
1591 #ifdef FEAT_EVAL
1592 char_u *(*gp) __ARGS((int, void *, int));
1593 struct loop_cookie *cp;
1594
1595 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1596 * function that's originally used to obtain the lines. This may be
1597 * nested several levels. */
1598 gp = fgetline;
1599 cp = (struct loop_cookie *)cookie;
1600 while (gp == get_loop_line)
1601 {
1602 gp = cp->getline;
1603 cp = cp->cookie;
1604 }
1605 return gp == func;
1606 #else
1607 return fgetline == func;
1608 #endif
1609 }
1610
1611 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1612 /*
1613 * If "fgetline" is get_loop_line(), return the cookie used by the original
1614 * getline function. Otherwise return "cookie".
1615 */
1616 /*ARGSUSED*/
1617 void *
1618 getline_cookie(fgetline, cookie)
1619 char_u *(*fgetline) __ARGS((int, void *, int));
1620 void *cookie; /* argument for fgetline() */
1621 {
1622 # ifdef FEAT_EVAL
1623 char_u *(*gp) __ARGS((int, void *, int));
1624 struct loop_cookie *cp;
1625
1626 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1627 * cookie that's originally used to obtain the lines. This may be nested
1628 * several levels. */
1629 gp = fgetline;
1630 cp = (struct loop_cookie *)cookie;
1631 while (gp == get_loop_line)
1632 {
1633 gp = cp->getline;
1634 cp = cp->cookie;
1635 }
1636 return cp;
1637 # else
1638 return cookie;
1639 # endif
1640 }
1641 #endif
1642
1643 /*
1644 * Execute one Ex command.
1645 *
1646 * If 'sourcing' is TRUE, the command will be included in the error message.
1647 *
1648 * 1. skip comment lines and leading space
1649 * 2. handle command modifiers
1650 * 3. parse range
1651 * 4. parse command
1652 * 5. parse arguments
1653 * 6. switch on command name
1654 *
1655 * Note: "fgetline" can be NULL.
1656 *
1657 * This function may be called recursively!
1658 */
1659 #if (_MSC_VER == 1200)
1660 /*
1661 * Avoid optimisation bug in VC++ version 6.0
1662 */
1663 #pragma optimize( "g", off )
1664 #endif
1665 static char_u *
1666 do_one_cmd(cmdlinep, sourcing,
1667 #ifdef FEAT_EVAL
1668 cstack,
1669 #endif
1670 fgetline, cookie)
1671 char_u **cmdlinep;
1672 int sourcing;
1673 #ifdef FEAT_EVAL
1674 struct condstack *cstack;
1675 #endif
1676 char_u *(*fgetline) __ARGS((int, void *, int));
1677 void *cookie; /* argument for fgetline() */
1678 {
1679 char_u *p;
1680 linenr_T lnum;
1681 long n;
1682 char_u *errormsg = NULL; /* error message */
1683 exarg_T ea; /* Ex command arguments */
1684 long verbose_save = -1;
1685 int save_msg_scroll = 0;
1686 int did_silent = 0;
1687 int did_esilent = 0;
1688 #ifdef HAVE_SANDBOX
1689 int did_sandbox = FALSE;
1690 #endif
1691 cmdmod_T save_cmdmod;
1692 int ni; /* set when Not Implemented */
1693
1694 vim_memset(&ea, 0, sizeof(ea));
1695 ea.line1 = 1;
1696 ea.line2 = 1;
1697 #ifdef FEAT_EVAL
1698 ++ex_nesting_level;
1699 #endif
1700
1701 /* when not editing the last file :q has to be typed twice */
1702 if (quitmore
1703 #ifdef FEAT_EVAL
1704 /* avoid that a function call in 'statusline' does this */
1705 && !getline_equal(fgetline, cookie, get_func_line)
1706 #endif
1707 )
1708 --quitmore;
1709
1710 /*
1711 * Reset browse, confirm, etc.. They are restored when returning, for
1712 * recursive calls.
1713 */
1714 save_cmdmod = cmdmod;
1715 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1716
1717 /* "#!anything" is handled like a comment. */
1718 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1719 goto doend;
1720
1721 /*
1722 * Repeat until no more command modifiers are found.
1723 */
1724 ea.cmd = *cmdlinep;
1725 for (;;)
1726 {
1727 /*
1728 * 1. skip comment lines and leading white space and colons
1729 */
1730 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1731 ++ea.cmd;
1732
1733 /* in ex mode, an empty line works like :+ */
1734 if (*ea.cmd == NUL && exmode_active
1735 && (getline_equal(fgetline, cookie, getexmodeline)
1736 || getline_equal(fgetline, cookie, getexline))
1737 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1738 {
1739 ea.cmd = (char_u *)"+";
1740 ex_pressedreturn = TRUE;
1741 }
1742
1743 /* ignore comment and empty lines */
1744 if (*ea.cmd == '"')
1745 goto doend;
1746 if (*ea.cmd == NUL)
1747 {
1748 ex_pressedreturn = TRUE;
1749 goto doend;
1750 }
1751
1752 /*
1753 * 2. handle command modifiers.
1754 */
1755 p = ea.cmd;
1756 if (VIM_ISDIGIT(*ea.cmd))
1757 p = skipwhite(skipdigits(ea.cmd));
1758 switch (*p)
1759 {
1760 /* When adding an entry, also modify cmd_exists(). */
1761 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1762 break;
1763 #ifdef FEAT_WINDOWS
1764 cmdmod.split |= WSP_ABOVE;
1765 #endif
1766 continue;
1767
1768 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1769 {
1770 #ifdef FEAT_WINDOWS
1771 cmdmod.split |= WSP_BELOW;
1772 #endif
1773 continue;
1774 }
1775 if (checkforcmd(&ea.cmd, "browse", 3))
1776 {
1777 #ifdef FEAT_BROWSE_CMD
1778 cmdmod.browse = TRUE;
1779 #endif
1780 continue;
1781 }
1782 if (!checkforcmd(&ea.cmd, "botright", 2))
1783 break;
1784 #ifdef FEAT_WINDOWS
1785 cmdmod.split |= WSP_BOT;
1786 #endif
1787 continue;
1788
1789 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1790 break;
1791 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1792 cmdmod.confirm = TRUE;
1793 #endif
1794 continue;
1795
1796 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1797 {
1798 cmdmod.keepmarks = TRUE;
1799 continue;
1800 }
1801 if (checkforcmd(&ea.cmd, "keepalt", 5))
1802 {
1803 cmdmod.keepalt = TRUE;
1804 continue;
1805 }
1806 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1807 break;
1808 cmdmod.keepjumps = TRUE;
1809 continue;
1810
1811 /* ":hide" and ":hide | cmd" are not modifiers */
1812 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1813 || *p == NUL || ends_excmd(*p))
1814 break;
1815 ea.cmd = p;
1816 cmdmod.hide = TRUE;
1817 continue;
1818
1819 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1820 {
1821 cmdmod.lockmarks = TRUE;
1822 continue;
1823 }
1824
1825 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1826 break;
1827 #ifdef FEAT_WINDOWS
1828 cmdmod.split |= WSP_ABOVE;
1829 #endif
1830 continue;
1831
1832 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1833 break;
1834 #ifdef FEAT_AUTOCMD
1835 if (cmdmod.save_ei == NULL)
1836 {
1837 /* Set 'eventignore' to "all". Restore the
1838 * existing option value later. */
1839 cmdmod.save_ei = vim_strsave(p_ei);
1840 set_string_option_direct((char_u *)"ei", -1,
1841 (char_u *)"all", OPT_FREE, SID_NONE);
1842 }
1843 #endif
1844 continue;
1845
1846 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1847 break;
1848 #ifdef FEAT_WINDOWS
1849 cmdmod.split |= WSP_BELOW;
1850 #endif
1851 continue;
1852
1853 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1854 {
1855 #ifdef HAVE_SANDBOX
1856 if (!did_sandbox)
1857 ++sandbox;
1858 did_sandbox = TRUE;
1859 #endif
1860 continue;
1861 }
1862 if (!checkforcmd(&ea.cmd, "silent", 3))
1863 break;
1864 ++did_silent;
1865 ++msg_silent;
1866 save_msg_scroll = msg_scroll;
1867 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1868 {
1869 /* ":silent!", but not "silent !cmd" */
1870 ea.cmd = skipwhite(ea.cmd + 1);
1871 ++emsg_silent;
1872 ++did_esilent;
1873 }
1874 continue;
1875
1876 case 't': if (checkforcmd(&p, "tab", 3))
1877 {
1878 #ifdef FEAT_WINDOWS
1879 if (vim_isdigit(*ea.cmd))
1880 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1881 else
1882 cmdmod.tab = tabpage_index(curtab) + 1;
1883 ea.cmd = p;
1884 #endif
1885 continue;
1886 }
1887 if (!checkforcmd(&ea.cmd, "topleft", 2))
1888 break;
1889 #ifdef FEAT_WINDOWS
1890 cmdmod.split |= WSP_TOP;
1891 #endif
1892 continue;
1893
1894 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1895 {
1896 #ifdef FEAT_VERTSPLIT
1897 cmdmod.split |= WSP_VERT;
1898 #endif
1899 continue;
1900 }
1901 if (!checkforcmd(&p, "verbose", 4))
1902 break;
1903 if (verbose_save < 0)
1904 verbose_save = p_verbose;
1905 if (vim_isdigit(*ea.cmd))
1906 p_verbose = atoi((char *)ea.cmd);
1907 else
1908 p_verbose = 1;
1909 ea.cmd = p;
1910 continue;
1911 }
1912 break;
1913 }
1914
1915 #ifdef FEAT_EVAL
1916 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1917 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1918 #else
1919 ea.skip = (if_level > 0);
1920 #endif
1921
1922 #ifdef FEAT_EVAL
1923 # ifdef FEAT_PROFILE
1924 /* Count this line for profiling if ea.skip is FALSE. */
1925 if (do_profiling == PROF_YES && !ea.skip)
1926 {
1927 if (getline_equal(fgetline, cookie, get_func_line))
1928 func_line_exec(getline_cookie(fgetline, cookie));
1929 else if (getline_equal(fgetline, cookie, getsourceline))
1930 script_line_exec();
1931 }
1932 #endif
1933
1934 /* May go to debug mode. If this happens and the ">quit" debug command is
1935 * used, throw an interrupt exception and skip the next command. */
1936 dbg_check_breakpoint(&ea);
1937 if (!ea.skip && got_int)
1938 {
1939 ea.skip = TRUE;
1940 (void)do_intthrow(cstack);
1941 }
1942 #endif
1943
1944 /*
1945 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1946 *
1947 * where 'addr' is:
1948 *
1949 * % (entire file)
1950 * $ [+-NUM]
1951 * 'x [+-NUM] (where x denotes a currently defined mark)
1952 * . [+-NUM]
1953 * [+-NUM]..
1954 * NUM
1955 *
1956 * The ea.cmd pointer is updated to point to the first character following the
1957 * range spec. If an initial address is found, but no second, the upper bound
1958 * is equal to the lower.
1959 */
1960
1961 /* repeat for all ',' or ';' separated addresses */
1962 for (;;)
1963 {
1964 ea.line1 = ea.line2;
1965 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1966 ea.cmd = skipwhite(ea.cmd);
1967 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1968 if (ea.cmd == NULL) /* error detected */
1969 goto doend;
1970 if (lnum == MAXLNUM)
1971 {
1972 if (*ea.cmd == '%') /* '%' - all lines */
1973 {
1974 ++ea.cmd;
1975 ea.line1 = 1;
1976 ea.line2 = curbuf->b_ml.ml_line_count;
1977 ++ea.addr_count;
1978 }
1979 /* '*' - visual area */
1980 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1981 {
1982 pos_T *fp;
1983
1984 ++ea.cmd;
1985 if (!ea.skip)
1986 {
1987 fp = getmark('<', FALSE);
1988 if (check_mark(fp) == FAIL)
1989 goto doend;
1990 ea.line1 = fp->lnum;
1991 fp = getmark('>', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line2 = fp->lnum;
1995 ++ea.addr_count;
1996 }
1997 }
1998 }
1999 else
2000 ea.line2 = lnum;
2001 ea.addr_count++;
2002
2003 if (*ea.cmd == ';')
2004 {
2005 if (!ea.skip)
2006 curwin->w_cursor.lnum = ea.line2;
2007 }
2008 else if (*ea.cmd != ',')
2009 break;
2010 ++ea.cmd;
2011 }
2012
2013 /* One address given: set start and end lines */
2014 if (ea.addr_count == 1)
2015 {
2016 ea.line1 = ea.line2;
2017 /* ... but only implicit: really no address given */
2018 if (lnum == MAXLNUM)
2019 ea.addr_count = 0;
2020 }
2021
2022 /* Don't leave the cursor on an illegal line (caused by ';') */
2023 check_cursor_lnum();
2024
2025 /*
2026 * 4. parse command
2027 */
2028
2029 /*
2030 * Skip ':' and any white space
2031 */
2032 ea.cmd = skipwhite(ea.cmd);
2033 while (*ea.cmd == ':')
2034 ea.cmd = skipwhite(ea.cmd + 1);
2035
2036 /*
2037 * If we got a line, but no command, then go to the line.
2038 * If we find a '|' or '\n' we set ea.nextcmd.
2039 */
2040 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2041 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2042 {
2043 /*
2044 * strange vi behaviour:
2045 * ":3" jumps to line 3
2046 * ":3|..." prints line 3
2047 * ":|" prints current line
2048 */
2049 if (ea.skip) /* skip this if inside :if */
2050 goto doend;
2051 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2052 {
2053 ea.cmdidx = CMD_print;
2054 ea.argt = RANGE+COUNT+TRLBAR;
2055 if ((errormsg = invalid_range(&ea)) == NULL)
2056 {
2057 correct_range(&ea);
2058 ex_print(&ea);
2059 }
2060 }
2061 else if (ea.addr_count != 0)
2062 {
2063 if (ea.line2 > curbuf->b_ml.ml_line_count)
2064 {
2065 /* With '-' in 'cpoptions' a line number past the file is an
2066 * error, otherwise put it at the end of the file. */
2067 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2068 ea.line2 = -1;
2069 else
2070 ea.line2 = curbuf->b_ml.ml_line_count;
2071 }
2072
2073 if (ea.line2 < 0)
2074 errormsg = (char_u *)_(e_invrange);
2075 else
2076 {
2077 if (ea.line2 == 0)
2078 curwin->w_cursor.lnum = 1;
2079 else
2080 curwin->w_cursor.lnum = ea.line2;
2081 beginline(BL_SOL | BL_FIX);
2082 }
2083 }
2084 goto doend;
2085 }
2086
2087 /* Find the command and let "p" point to after it. */
2088 p = find_command(&ea, NULL);
2089
2090 #ifdef FEAT_USR_CMDS
2091 if (p == NULL)
2092 {
2093 if (!ea.skip)
2094 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2095 goto doend;
2096 }
2097 /* Check for wrong commands. */
2098 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2099 {
2100 errormsg = uc_fun_cmd();
2101 goto doend;
2102 }
2103 #endif
2104 if (ea.cmdidx == CMD_SIZE)
2105 {
2106 if (!ea.skip)
2107 {
2108 STRCPY(IObuff, _("E492: Not an editor command"));
2109 if (!sourcing)
2110 {
2111 STRCAT(IObuff, ": ");
2112 STRNCAT(IObuff, *cmdlinep, 40);
2113 }
2114 errormsg = IObuff;
2115 }
2116 goto doend;
2117 }
2118
2119 ni = (
2120 #ifdef FEAT_USR_CMDS
2121 !USER_CMDIDX(ea.cmdidx) &&
2122 #endif
2123 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2124 #ifdef HAVE_EX_SCRIPT_NI
2125 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2126 #endif
2127 ));
2128
2129 #ifndef FEAT_EVAL
2130 /*
2131 * When the expression evaluation is disabled, recognize the ":if" and
2132 * ":endif" commands and ignore everything in between it.
2133 */
2134 if (ea.cmdidx == CMD_if)
2135 ++if_level;
2136 if (if_level)
2137 {
2138 if (ea.cmdidx == CMD_endif)
2139 --if_level;
2140 goto doend;
2141 }
2142
2143 #endif
2144
2145 /* forced commands */
2146 if (*p == '!' && ea.cmdidx != CMD_substitute
2147 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2148 {
2149 ++p;
2150 ea.forceit = TRUE;
2151 }
2152 else
2153 ea.forceit = FALSE;
2154
2155 /*
2156 * 5. parse arguments
2157 */
2158 #ifdef FEAT_USR_CMDS
2159 if (!USER_CMDIDX(ea.cmdidx))
2160 #endif
2161 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2162
2163 if (!ea.skip)
2164 {
2165 #ifdef HAVE_SANDBOX
2166 if (sandbox != 0 && !(ea.argt & SBOXOK))
2167 {
2168 /* Command not allowed in sandbox. */
2169 errormsg = (char_u *)_(e_sandbox);
2170 goto doend;
2171 }
2172 #endif
2173 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2174 {
2175 /* Command not allowed in non-'modifiable' buffer */
2176 errormsg = (char_u *)_(e_modifiable);
2177 goto doend;
2178 }
2179
2180 if (text_locked() && !(ea.argt & CMDWIN)
2181 # ifdef FEAT_USR_CMDS
2182 && !USER_CMDIDX(ea.cmdidx)
2183 # endif
2184 )
2185 {
2186 /* Command not allowed when editing the command line. */
2187 #ifdef FEAT_CMDWIN
2188 if (cmdwin_type != 0)
2189 errormsg = (char_u *)_(e_cmdwin);
2190 else
2191 #endif
2192 errormsg = (char_u *)_(e_secure);
2193 goto doend;
2194 }
2195 #ifdef FEAT_AUTOCMD
2196 /* Disallow editing another buffer when "curbuf_lock" is set.
2197 * Do allow ":edit" (check for argument later).
2198 * Do allow ":checktime" (it's postponed). */
2199 if (!(ea.argt & CMDWIN)
2200 && ea.cmdidx != CMD_edit
2201 && ea.cmdidx != CMD_checktime
2202 # ifdef FEAT_USR_CMDS
2203 && !USER_CMDIDX(ea.cmdidx)
2204 # endif
2205 && curbuf_locked())
2206 goto doend;
2207 #endif
2208
2209 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2210 {
2211 /* no range allowed */
2212 errormsg = (char_u *)_(e_norange);
2213 goto doend;
2214 }
2215 }
2216
2217 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2218 {
2219 errormsg = (char_u *)_(e_nobang);
2220 goto doend;
2221 }
2222
2223 /*
2224 * Don't complain about the range if it is not used
2225 * (could happen if line_count is accidentally set to 0).
2226 */
2227 if (!ea.skip && !ni)
2228 {
2229 /*
2230 * If the range is backwards, ask for confirmation and, if given, swap
2231 * ea.line1 & ea.line2 so it's forwards again.
2232 * When global command is busy, don't ask, will fail below.
2233 */
2234 if (!global_busy && ea.line1 > ea.line2)
2235 {
2236 if (msg_silent == 0)
2237 {
2238 if (sourcing || exmode_active)
2239 {
2240 errormsg = (char_u *)_("E493: Backwards range given");
2241 goto doend;
2242 }
2243 if (ask_yesno((char_u *)
2244 _("Backwards range given, OK to swap"), FALSE) != 'y')
2245 goto doend;
2246 }
2247 lnum = ea.line1;
2248 ea.line1 = ea.line2;
2249 ea.line2 = lnum;
2250 }
2251 if ((errormsg = invalid_range(&ea)) != NULL)
2252 goto doend;
2253 }
2254
2255 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2256 ea.line2 = 1;
2257
2258 correct_range(&ea);
2259
2260 #ifdef FEAT_FOLDING
2261 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2262 {
2263 /* Put the first line at the start of a closed fold, put the last line
2264 * at the end of a closed fold. */
2265 (void)hasFolding(ea.line1, &ea.line1, NULL);
2266 (void)hasFolding(ea.line2, NULL, &ea.line2);
2267 }
2268 #endif
2269
2270 #ifdef FEAT_QUICKFIX
2271 /*
2272 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2273 * option here, so things like % get expanded.
2274 */
2275 p = replace_makeprg(&ea, p, cmdlinep);
2276 if (p == NULL)
2277 goto doend;
2278 #endif
2279
2280 /*
2281 * Skip to start of argument.
2282 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2283 */
2284 if (ea.cmdidx == CMD_bang)
2285 ea.arg = p;
2286 else
2287 ea.arg = skipwhite(p);
2288
2289 /*
2290 * Check for "++opt=val" argument.
2291 * Must be first, allow ":w ++enc=utf8 !cmd"
2292 */
2293 if (ea.argt & ARGOPT)
2294 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2295 if (getargopt(&ea) == FAIL && !ni)
2296 {
2297 errormsg = (char_u *)_(e_invarg);
2298 goto doend;
2299 }
2300
2301 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2302 {
2303 if (*ea.arg == '>') /* append */
2304 {
2305 if (*++ea.arg != '>') /* typed wrong */
2306 {
2307 errormsg = (char_u *)_("E494: Use w or w>>");
2308 goto doend;
2309 }
2310 ea.arg = skipwhite(ea.arg + 1);
2311 ea.append = TRUE;
2312 }
2313 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2314 {
2315 ++ea.arg;
2316 ea.usefilter = TRUE;
2317 }
2318 }
2319
2320 if (ea.cmdidx == CMD_read)
2321 {
2322 if (ea.forceit)
2323 {
2324 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2325 ea.forceit = FALSE;
2326 }
2327 else if (*ea.arg == '!') /* :r !filter */
2328 {
2329 ++ea.arg;
2330 ea.usefilter = TRUE;
2331 }
2332 }
2333
2334 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2335 {
2336 ea.amount = 1;
2337 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2338 {
2339 ++ea.arg;
2340 ++ea.amount;
2341 }
2342 ea.arg = skipwhite(ea.arg);
2343 }
2344
2345 /*
2346 * Check for "+command" argument, before checking for next command.
2347 * Don't do this for ":read !cmd" and ":write !cmd".
2348 */
2349 if ((ea.argt & EDITCMD) && !ea.usefilter)
2350 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2351
2352 /*
2353 * Check for '|' to separate commands and '"' to start comments.
2354 * Don't do this for ":read !cmd" and ":write !cmd".
2355 */
2356 if ((ea.argt & TRLBAR) && !ea.usefilter)
2357 separate_nextcmd(&ea);
2358
2359 /*
2360 * Check for <newline> to end a shell command.
2361 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2362 * Any others?
2363 */
2364 else if (ea.cmdidx == CMD_bang
2365 || ea.cmdidx == CMD_global
2366 || ea.cmdidx == CMD_vglobal
2367 || ea.usefilter)
2368 {
2369 for (p = ea.arg; *p; ++p)
2370 {
2371 /* Remove one backslash before a newline, so that it's possible to
2372 * pass a newline to the shell and also a newline that is preceded
2373 * with a backslash. This makes it impossible to end a shell
2374 * command in a backslash, but that doesn't appear useful.
2375 * Halving the number of backslashes is incompatible with previous
2376 * versions. */
2377 if (*p == '\\' && p[1] == '\n')
2378 STRMOVE(p, p + 1);
2379 else if (*p == '\n')
2380 {
2381 ea.nextcmd = p + 1;
2382 *p = NUL;
2383 break;
2384 }
2385 }
2386 }
2387
2388 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2389 {
2390 ea.line1 = 1;
2391 ea.line2 = curbuf->b_ml.ml_line_count;
2392 }
2393
2394 /* accept numbered register only when no count allowed (:put) */
2395 if ( (ea.argt & REGSTR)
2396 && *ea.arg != NUL
2397 #ifdef FEAT_USR_CMDS
2398 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2399 && USER_CMDIDX(ea.cmdidx)))
2400 /* Do not allow register = for user commands */
2401 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2402 #else
2403 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2404 #endif
2405 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2406 {
2407 ea.regname = *ea.arg++;
2408 #ifdef FEAT_EVAL
2409 /* for '=' register: accept the rest of the line as an expression */
2410 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2411 {
2412 set_expr_line(vim_strsave(ea.arg));
2413 ea.arg += STRLEN(ea.arg);
2414 }
2415 #endif
2416 ea.arg = skipwhite(ea.arg);
2417 }
2418
2419 /*
2420 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2421 * count, it's a buffer name.
2422 */
2423 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2424 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2425 || vim_iswhite(*p)))
2426 {
2427 n = getdigits(&ea.arg);
2428 ea.arg = skipwhite(ea.arg);
2429 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2430 {
2431 errormsg = (char_u *)_(e_zerocount);
2432 goto doend;
2433 }
2434 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2435 {
2436 ea.line2 = n;
2437 if (ea.addr_count == 0)
2438 ea.addr_count = 1;
2439 }
2440 else
2441 {
2442 ea.line1 = ea.line2;
2443 ea.line2 += n - 1;
2444 ++ea.addr_count;
2445 /*
2446 * Be vi compatible: no error message for out of range.
2447 */
2448 if (ea.line2 > curbuf->b_ml.ml_line_count)
2449 ea.line2 = curbuf->b_ml.ml_line_count;
2450 }
2451 }
2452
2453 /*
2454 * Check for flags: 'l', 'p' and '#'.
2455 */
2456 if (ea.argt & EXFLAGS)
2457 get_flags(&ea);
2458 /* no arguments allowed */
2459 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2460 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2461 {
2462 errormsg = (char_u *)_(e_trailing);
2463 goto doend;
2464 }
2465
2466 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2467 {
2468 errormsg = (char_u *)_(e_argreq);
2469 goto doend;
2470 }
2471
2472 #ifdef FEAT_EVAL
2473 /*
2474 * Skip the command when it's not going to be executed.
2475 * The commands like :if, :endif, etc. always need to be executed.
2476 * Also make an exception for commands that handle a trailing command
2477 * themselves.
2478 */
2479 if (ea.skip)
2480 {
2481 switch (ea.cmdidx)
2482 {
2483 /* commands that need evaluation */
2484 case CMD_while:
2485 case CMD_endwhile:
2486 case CMD_for:
2487 case CMD_endfor:
2488 case CMD_if:
2489 case CMD_elseif:
2490 case CMD_else:
2491 case CMD_endif:
2492 case CMD_try:
2493 case CMD_catch:
2494 case CMD_finally:
2495 case CMD_endtry:
2496 case CMD_function:
2497 break;
2498
2499 /* Commands that handle '|' themselves. Check: A command should
2500 * either have the TRLBAR flag, appear in this list or appear in
2501 * the list at ":help :bar". */
2502 case CMD_aboveleft:
2503 case CMD_and:
2504 case CMD_belowright:
2505 case CMD_botright:
2506 case CMD_browse:
2507 case CMD_call:
2508 case CMD_confirm:
2509 case CMD_delfunction:
2510 case CMD_djump:
2511 case CMD_dlist:
2512 case CMD_dsearch:
2513 case CMD_dsplit:
2514 case CMD_echo:
2515 case CMD_echoerr:
2516 case CMD_echomsg:
2517 case CMD_echon:
2518 case CMD_ecl:
2519 case CMD_execute:
2520 case CMD_help:
2521 case CMD_hide:
2522 case CMD_ijump:
2523 case CMD_ilist:
2524 case CMD_isearch:
2525 case CMD_isplit:
2526 case CMD_keepalt:
2527 case CMD_keepjumps:
2528 case CMD_keepmarks:
2529 case CMD_leftabove:
2530 case CMD_let:
2531 case CMD_lockmarks:
2532 case CMD_match:
2533 case CMD_mzscheme:
2534 case CMD_perl:
2535 case CMD_psearch:
2536 case CMD_python:
2537 case CMD_return:
2538 case CMD_rightbelow:
2539 case CMD_ruby:
2540 case CMD_silent:
2541 case CMD_smagic:
2542 case CMD_snomagic:
2543 case CMD_substitute:
2544 case CMD_syntax:
2545 case CMD_tab:
2546 case CMD_tcl:
2547 case CMD_throw:
2548 case CMD_tilde:
2549 case CMD_topleft:
2550 case CMD_unlet:
2551 case CMD_verbose:
2552 case CMD_vertical:
2553 break;
2554
2555 default: goto doend;
2556 }
2557 }
2558 #endif
2559
2560 if (ea.argt & XFILE)
2561 {
2562 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2563 goto doend;
2564 }
2565
2566 #ifdef FEAT_LISTCMDS
2567 /*
2568 * Accept buffer name. Cannot be used at the same time with a buffer
2569 * number. Don't do this for a user command.
2570 */
2571 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2572 # ifdef FEAT_USR_CMDS
2573 && !USER_CMDIDX(ea.cmdidx)
2574 # endif
2575 )
2576 {
2577 /*
2578 * :bdelete, :bwipeout and :bunload take several arguments, separated
2579 * by spaces: find next space (skipping over escaped characters).
2580 * The others take one argument: ignore trailing spaces.
2581 */
2582 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2583 || ea.cmdidx == CMD_bunload)
2584 p = skiptowhite_esc(ea.arg);
2585 else
2586 {
2587 p = ea.arg + STRLEN(ea.arg);
2588 while (p > ea.arg && vim_iswhite(p[-1]))
2589 --p;
2590 }
2591 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2592 if (ea.line2 < 0) /* failed */
2593 goto doend;
2594 ea.addr_count = 1;
2595 ea.arg = skipwhite(p);
2596 }
2597 #endif
2598
2599 /*
2600 * 6. switch on command name
2601 *
2602 * The "ea" structure holds the arguments that can be used.
2603 */
2604 ea.cmdlinep = cmdlinep;
2605 ea.getline = fgetline;
2606 ea.cookie = cookie;
2607 #ifdef FEAT_EVAL
2608 ea.cstack = cstack;
2609 #endif
2610
2611 #ifdef FEAT_USR_CMDS
2612 if (USER_CMDIDX(ea.cmdidx))
2613 {
2614 /*
2615 * Execute a user-defined command.
2616 */
2617 do_ucmd(&ea);
2618 }
2619 else
2620 #endif
2621 {
2622 /*
2623 * Call the function to execute the command.
2624 */
2625 ea.errmsg = NULL;
2626 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2627 if (ea.errmsg != NULL)
2628 errormsg = (char_u *)_(ea.errmsg);
2629 }
2630
2631 #ifdef FEAT_EVAL
2632 /*
2633 * If the command just executed called do_cmdline(), any throw or ":return"
2634 * or ":finish" encountered there must also check the cstack of the still
2635 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2636 * exception, or reanimate a returned function or finished script file and
2637 * return or finish it again.
2638 */
2639 if (need_rethrow)
2640 do_throw(cstack);
2641 else if (check_cstack)
2642 {
2643 if (source_finished(fgetline, cookie))
2644 do_finish(&ea, TRUE);
2645 else if (getline_equal(fgetline, cookie, get_func_line)
2646 && current_func_returned())
2647 do_return(&ea, TRUE, FALSE, NULL);
2648 }
2649 need_rethrow = check_cstack = FALSE;
2650 #endif
2651
2652 doend:
2653 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2654 curwin->w_cursor.lnum = 1;
2655
2656 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2657 {
2658 if (sourcing)
2659 {
2660 if (errormsg != IObuff)
2661 {
2662 STRCPY(IObuff, errormsg);
2663 errormsg = IObuff;
2664 }
2665 STRCAT(errormsg, ": ");
2666 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2667 }
2668 emsg(errormsg);
2669 }
2670 #ifdef FEAT_EVAL
2671 do_errthrow(cstack,
2672 (ea.cmdidx != CMD_SIZE
2673 # ifdef FEAT_USR_CMDS
2674 && !USER_CMDIDX(ea.cmdidx)
2675 # endif
2676 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2677 #endif
2678
2679 if (verbose_save >= 0)
2680 p_verbose = verbose_save;
2681 #ifdef FEAT_AUTOCMD
2682 if (cmdmod.save_ei != NULL)
2683 {
2684 /* Restore 'eventignore' to the value before ":noautocmd". */
2685 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2686 OPT_FREE, SID_NONE);
2687 free_string_option(cmdmod.save_ei);
2688 }
2689 #endif
2690
2691 cmdmod = save_cmdmod;
2692
2693 if (did_silent > 0)
2694 {
2695 /* messages could be enabled for a serious error, need to check if the
2696 * counters don't become negative */
2697 msg_silent -= did_silent;
2698 if (msg_silent < 0)
2699 msg_silent = 0;
2700 emsg_silent -= did_esilent;
2701 if (emsg_silent < 0)
2702 emsg_silent = 0;
2703 /* Restore msg_scroll, it's set by file I/O commands, even when no
2704 * message is actually displayed. */
2705 msg_scroll = save_msg_scroll;
2706
2707 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2708 * somewhere in the line. Put it back in the first column. */
2709 if (redirecting())
2710 msg_col = 0;
2711 }
2712
2713 #ifdef HAVE_SANDBOX
2714 if (did_sandbox)
2715 --sandbox;
2716 #endif
2717
2718 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2719 ea.nextcmd = NULL;
2720
2721 #ifdef FEAT_EVAL
2722 --ex_nesting_level;
2723 #endif
2724
2725 return ea.nextcmd;
2726 }
2727 #if (_MSC_VER == 1200)
2728 #pragma optimize( "", on )
2729 #endif
2730
2731 /*
2732 * Check for an Ex command with optional tail.
2733 * If there is a match advance "pp" to the argument and return TRUE.
2734 */
2735 int
2736 checkforcmd(pp, cmd, len)
2737 char_u **pp; /* start of command */
2738 char *cmd; /* name of command */
2739 int len; /* required length */
2740 {
2741 int i;
2742
2743 for (i = 0; cmd[i] != NUL; ++i)
2744 if (cmd[i] != (*pp)[i])
2745 break;
2746 if (i >= len && !isalpha((*pp)[i]))
2747 {
2748 *pp = skipwhite(*pp + i);
2749 return TRUE;
2750 }
2751 return FALSE;
2752 }
2753
2754 /*
2755 * Find an Ex command by its name, either built-in or user.
2756 * Start of the name can be found at eap->cmd.
2757 * Returns pointer to char after the command name.
2758 * "full" is set to TRUE if the whole command name matched.
2759 * Returns NULL for an ambiguous user command.
2760 */
2761 /*ARGSUSED*/
2762 static char_u *
2763 find_command(eap, full)
2764 exarg_T *eap;
2765 int *full;
2766 {
2767 int len;
2768 char_u *p;
2769 int i;
2770
2771 /*
2772 * Isolate the command and search for it in the command table.
2773 * Exceptions:
2774 * - the 'k' command can directly be followed by any character.
2775 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2776 * but :sre[wind] is another command, as are :scrip[tnames],
2777 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2778 * - the "d" command can directly be followed by 'l' or 'p' flag.
2779 */
2780 p = eap->cmd;
2781 if (*p == 'k')
2782 {
2783 eap->cmdidx = CMD_k;
2784 ++p;
2785 }
2786 else if (p[0] == 's'
2787 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2788 && p[3] != 'i' && p[4] != 'p')
2789 || p[1] == 'g'
2790 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2791 || p[1] == 'I'
2792 || (p[1] == 'r' && p[2] != 'e')))
2793 {
2794 eap->cmdidx = CMD_substitute;
2795 ++p;
2796 }
2797 else
2798 {
2799 while (ASCII_ISALPHA(*p))
2800 ++p;
2801 /* check for non-alpha command */
2802 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2803 ++p;
2804 len = (int)(p - eap->cmd);
2805 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2806 {
2807 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2808 * :delete with the 'l' flag. Same for 'p'. */
2809 for (i = 0; i < len; ++i)
2810 if (eap->cmd[i] != "delete"[i])
2811 break;
2812 if (i == len - 1)
2813 {
2814 --len;
2815 if (p[-1] == 'l')
2816 eap->flags |= EXFLAG_LIST;
2817 else
2818 eap->flags |= EXFLAG_PRINT;
2819 }
2820 }
2821
2822 if (ASCII_ISLOWER(*eap->cmd))
2823 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2824 else
2825 eap->cmdidx = cmdidxs[26];
2826
2827 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2828 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2829 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2830 (size_t)len) == 0)
2831 {
2832 #ifdef FEAT_EVAL
2833 if (full != NULL
2834 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2835 *full = TRUE;
2836 #endif
2837 break;
2838 }
2839
2840 #ifdef FEAT_USR_CMDS
2841 /* Look for a user defined command as a last resort */
2842 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2843 {
2844 /* User defined commands may contain digits. */
2845 while (ASCII_ISALNUM(*p))
2846 ++p;
2847 p = find_ucmd(eap, p, full, NULL, NULL);
2848 }
2849 #endif
2850 if (p == eap->cmd)
2851 eap->cmdidx = CMD_SIZE;
2852 }
2853
2854 return p;
2855 }
2856
2857 #ifdef FEAT_USR_CMDS
2858 /*
2859 * Search for a user command that matches "eap->cmd".
2860 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2861 * Return a pointer to just after the command.
2862 * Return NULL if there is no matching command.
2863 */
2864 static char_u *
2865 find_ucmd(eap, p, full, xp, compl)
2866 exarg_T *eap;
2867 char_u *p; /* end of the command (possibly including count) */
2868 int *full; /* set to TRUE for a full match */
2869 expand_T *xp; /* used for completion, NULL otherwise */
2870 int *compl; /* completion flags or NULL */
2871 {
2872 int len = (int)(p - eap->cmd);
2873 int j, k, matchlen = 0;
2874 ucmd_T *uc;
2875 int found = FALSE;
2876 int possible = FALSE;
2877 char_u *cp, *np; /* Point into typed cmd and test name */
2878 garray_T *gap;
2879 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2880 only full match global is accepted. */
2881
2882 /*
2883 * Look for buffer-local user commands first, then global ones.
2884 */
2885 gap = &curbuf->b_ucmds;
2886 for (;;)
2887 {
2888 for (j = 0; j < gap->ga_len; ++j)
2889 {
2890 uc = USER_CMD_GA(gap, j);
2891 cp = eap->cmd;
2892 np = uc->uc_name;
2893 k = 0;
2894 while (k < len && *np != NUL && *cp++ == *np++)
2895 k++;
2896 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2897 {
2898 /* If finding a second match, the command is ambiguous. But
2899 * not if a buffer-local command wasn't a full match and a
2900 * global command is a full match. */
2901 if (k == len && found && *np != NUL)
2902 {
2903 if (gap == &ucmds)
2904 return NULL;
2905 amb_local = TRUE;
2906 }
2907
2908 if (!found || (k == len && *np == NUL))
2909 {
2910 /* If we matched up to a digit, then there could
2911 * be another command including the digit that we
2912 * should use instead.
2913 */
2914 if (k == len)
2915 found = TRUE;
2916 else
2917 possible = TRUE;
2918
2919 if (gap == &ucmds)
2920 eap->cmdidx = CMD_USER;
2921 else
2922 eap->cmdidx = CMD_USER_BUF;
2923 eap->argt = (long)uc->uc_argt;
2924 eap->useridx = j;
2925
2926 # ifdef FEAT_CMDL_COMPL
2927 if (compl != NULL)
2928 *compl = uc->uc_compl;
2929 # ifdef FEAT_EVAL
2930 if (xp != NULL)
2931 {
2932 xp->xp_arg = uc->uc_compl_arg;
2933 xp->xp_scriptID = uc->uc_scriptID;
2934 }
2935 # endif
2936 # endif
2937 /* Do not search for further abbreviations
2938 * if this is an exact match. */
2939 matchlen = k;
2940 if (k == len && *np == NUL)
2941 {
2942 if (full != NULL)
2943 *full = TRUE;
2944 amb_local = FALSE;
2945 break;
2946 }
2947 }
2948 }
2949 }
2950
2951 /* Stop if we found a full match or searched all. */
2952 if (j < gap->ga_len || gap == &ucmds)
2953 break;
2954 gap = &ucmds;
2955 }
2956
2957 /* Only found ambiguous matches. */
2958 if (amb_local)
2959 {
2960 if (xp != NULL)
2961 xp->xp_context = EXPAND_UNSUCCESSFUL;
2962 return NULL;
2963 }
2964
2965 /* The match we found may be followed immediately by a number. Move "p"
2966 * back to point to it. */
2967 if (found || possible)
2968 return p + (matchlen - len);
2969 return p;
2970 }
2971 #endif
2972
2973 #if defined(FEAT_EVAL) || defined(PROTO)
2974 static struct cmdmod
2975 {
2976 char *name;
2977 int minlen;
2978 int has_count; /* :123verbose :3tab */
2979 } cmdmods[] = {
2980 {"aboveleft", 3, FALSE},
2981 {"belowright", 3, FALSE},
2982 {"botright", 2, FALSE},
2983 {"browse", 3, FALSE},
2984 {"confirm", 4, FALSE},
2985 {"hide", 3, FALSE},
2986 {"keepalt", 5, FALSE},
2987 {"keepjumps", 5, FALSE},
2988 {"keepmarks", 3, FALSE},
2989 {"leftabove", 5, FALSE},
2990 {"lockmarks", 3, FALSE},
2991 {"noautocmd", 3, FALSE},
2992 {"rightbelow", 6, FALSE},
2993 {"sandbox", 3, FALSE},
2994 {"silent", 3, FALSE},
2995 {"tab", 3, TRUE},
2996 {"topleft", 2, FALSE},
2997 {"verbose", 4, TRUE},
2998 {"vertical", 4, FALSE},
2999 };
3000
3001 /*
3002 * Return length of a command modifier (including optional count).
3003 * Return zero when it's not a modifier.
3004 */
3005 int
3006 modifier_len(cmd)
3007 char_u *cmd;
3008 {
3009 int i, j;
3010 char_u *p = cmd;
3011
3012 if (VIM_ISDIGIT(*cmd))
3013 p = skipwhite(skipdigits(cmd));
3014 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3015 {
3016 for (j = 0; p[j] != NUL; ++j)
3017 if (p[j] != cmdmods[i].name[j])
3018 break;
3019 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3020 && (p == cmd || cmdmods[i].has_count))
3021 return j + (int)(p - cmd);
3022 }
3023 return 0;
3024 }
3025
3026 /*
3027 * Return > 0 if an Ex command "name" exists.
3028 * Return 2 if there is an exact match.
3029 * Return 3 if there is an ambiguous match.
3030 */
3031 int
3032 cmd_exists(name)
3033 char_u *name;
3034 {
3035 exarg_T ea;
3036 int full = FALSE;
3037 int i;
3038 int j;
3039 char_u *p;
3040
3041 /* Check command modifiers. */
3042 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3043 {
3044 for (j = 0; name[j] != NUL; ++j)
3045 if (name[j] != cmdmods[i].name[j])
3046 break;
3047 if (name[j] == NUL && j >= cmdmods[i].minlen)
3048 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3049 }
3050
3051 /* Check built-in commands and user defined commands.
3052 * For ":2match" and ":3match" we need to skip the number. */
3053 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3054 ea.cmdidx = (cmdidx_T)0;
3055 p = find_command(&ea, &full);
3056 if (p == NULL)
3057 return 3;
3058 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3059 return 0;
3060 if (*skipwhite(p) != NUL)
3061 return 0; /* trailing garbage */
3062 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3063 }
3064 #endif
3065
3066 /*
3067 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3068 * we don't need/want deleted. Maybe this could be done better if we didn't
3069 * repeat all this stuff. The only problem is that they may not stay
3070 * perfectly compatible with each other, but then the command line syntax
3071 * probably won't change that much -- webb.
3072 */
3073 char_u *
3074 set_one_cmd_context(xp, buff)
3075 expand_T *xp;
3076 char_u *buff; /* buffer for command string */
3077 {
3078 char_u *p;
3079 char_u *cmd, *arg;
3080 int len = 0;
3081 exarg_T ea;
3082 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3083 int compl = EXPAND_NOTHING;
3084 #endif
3085 #ifdef FEAT_CMDL_COMPL
3086 int delim;
3087 #endif
3088 int forceit = FALSE;
3089 int usefilter = FALSE; /* filter instead of file name */
3090
3091 ExpandInit(xp);
3092 xp->xp_pattern = buff;
3093 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3094 ea.argt = 0;
3095
3096 /*
3097 * 2. skip comment lines and leading space, colons or bars
3098 */
3099 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3100 ;
3101 xp->xp_pattern = cmd;
3102
3103 if (*cmd == NUL)
3104 return NULL;
3105 if (*cmd == '"') /* ignore comment lines */
3106 {
3107 xp->xp_context = EXPAND_NOTHING;
3108 return NULL;
3109 }
3110
3111 /*
3112 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3113 */
3114 cmd = skip_range(cmd, &xp->xp_context);
3115
3116 /*
3117 * 4. parse command
3118 */
3119 xp->xp_pattern = cmd;
3120 if (*cmd == NUL)
3121 return NULL;
3122 if (*cmd == '"')
3123 {
3124 xp->xp_context = EXPAND_NOTHING;
3125 return NULL;
3126 }
3127
3128 if (*cmd == '|' || *cmd == '\n')
3129 return cmd + 1; /* There's another command */
3130
3131 /*
3132 * Isolate the command and search for it in the command table.
3133 * Exceptions:
3134 * - the 'k' command can directly be followed by any character, but
3135 * do accept "keepmarks", "keepalt" and "keepjumps".
3136 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3137 */
3138 if (*cmd == 'k' && cmd[1] != 'e')
3139 {
3140 ea.cmdidx = CMD_k;
3141 p = cmd + 1;
3142 }
3143 else
3144 {
3145 p = cmd;
3146 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3147 ++p;
3148 /* check for non-alpha command */
3149 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3150 ++p;
3151 len = (int)(p - cmd);
3152
3153 if (len == 0)
3154 {
3155 xp->xp_context = EXPAND_UNSUCCESSFUL;
3156 return NULL;
3157 }
3158 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3159 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3160 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3161 break;
3162
3163 #ifdef FEAT_USR_CMDS
3164 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3165 {
3166 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3167 ++p;
3168 len = (int)(p - cmd);
3169 }
3170 #endif
3171 }
3172
3173 /*
3174 * If the cursor is touching the command, and it ends in an alpha-numeric
3175 * character, complete the command name.
3176 */
3177 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3178 return NULL;
3179
3180 if (ea.cmdidx == CMD_SIZE)
3181 {
3182 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3183 {
3184 ea.cmdidx = CMD_substitute;
3185 p = cmd + 1;
3186 }
3187 #ifdef FEAT_USR_CMDS
3188 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3189 {
3190 ea.cmd = cmd;
3191 p = find_ucmd(&ea, p, NULL, xp,
3192 # if defined(FEAT_CMDL_COMPL)
3193 &compl
3194 # else
3195 NULL
3196 # endif
3197 );
3198 if (p == NULL)
3199 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3200 }
3201 #endif
3202 }
3203 if (ea.cmdidx == CMD_SIZE)
3204 {
3205 /* Not still touching the command and it was an illegal one */
3206 xp->xp_context = EXPAND_UNSUCCESSFUL;
3207 return NULL;
3208 }
3209
3210 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3211
3212 if (*p == '!') /* forced commands */
3213 {
3214 forceit = TRUE;
3215 ++p;
3216 }
3217
3218 /*
3219 * 5. parse arguments
3220 */
3221 #ifdef FEAT_USR_CMDS
3222 if (!USER_CMDIDX(ea.cmdidx))
3223 #endif
3224 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3225
3226 arg = skipwhite(p);
3227
3228 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3229 {
3230 if (*arg == '>') /* append */
3231 {
3232 if (*++arg == '>')
3233 ++arg;
3234 arg = skipwhite(arg);
3235 }
3236 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3237 {
3238 ++arg;
3239 usefilter = TRUE;
3240 }
3241 }
3242
3243 if (ea.cmdidx == CMD_read)
3244 {
3245 usefilter = forceit; /* :r! filter if forced */
3246 if (*arg == '!') /* :r !filter */
3247 {
3248 ++arg;
3249 usefilter = TRUE;
3250 }
3251 }
3252
3253 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3254 {
3255 while (*arg == *cmd) /* allow any number of '>' or '<' */
3256 ++arg;
3257 arg = skipwhite(arg);
3258 }
3259
3260 /* Does command allow "+command"? */
3261 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3262 {
3263 /* Check if we're in the +command */
3264 p = arg + 1;
3265 arg = skip_cmd_arg(arg, FALSE);
3266
3267 /* Still touching the command after '+'? */
3268 if (*arg == NUL)
3269 return p;
3270
3271 /* Skip space(s) after +command to get to the real argument */
3272 arg = skipwhite(arg);
3273 }
3274
3275 /*
3276 * Check for '|' to separate commands and '"' to start comments.
3277 * Don't do this for ":read !cmd" and ":write !cmd".
3278 */
3279 if ((ea.argt & TRLBAR) && !usefilter)
3280 {
3281 p = arg;
3282 /* ":redir @" is not the start of a comment */
3283 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3284 p += 2;
3285 while (*p)
3286 {
3287 if (*p == Ctrl_V)
3288 {
3289 if (p[1] != NUL)
3290 ++p;
3291 }
3292 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3293 || *p == '|' || *p == '\n')
3294 {
3295 if (*(p - 1) != '\\')
3296 {
3297 if (*p == '|' || *p == '\n')
3298 return p + 1;
3299 return NULL; /* It's a comment */
3300 }
3301 }
3302 mb_ptr_adv(p);
3303 }
3304 }
3305
3306 /* no arguments allowed */
3307 if (!(ea.argt & EXTRA) && *arg != NUL &&
3308 vim_strchr((char_u *)"|\"", *arg) == NULL)
3309 return NULL;
3310
3311 /* Find start of last argument (argument just before cursor): */
3312 p = buff + STRLEN(buff);
3313 while (p != arg && *p != ' ' && *p != TAB)
3314 p--;
3315 if (*p == ' ' || *p == TAB)
3316 p++;
3317 xp->xp_pattern = p;
3318
3319 if (ea.argt & XFILE)
3320 {
3321 int c;
3322 int in_quote = FALSE;
3323 char_u *bow = NULL; /* Beginning of word */
3324
3325 /*
3326 * Allow spaces within back-quotes to count as part of the argument
3327 * being expanded.
3328 */
3329 xp->xp_pattern = skipwhite(arg);
3330 p = xp->xp_pattern;
3331 while (*p != NUL)
3332 {
3333 #ifdef FEAT_MBYTE
3334 if (has_mbyte)
3335 c = mb_ptr2char(p);
3336 else
3337 #endif
3338 c = *p;
3339 if (c == '\\' && p[1] != NUL)
3340 ++p;
3341 else if (c == '`')
3342 {
3343 if (!in_quote)
3344 {
3345 xp->xp_pattern = p;
3346 bow = p + 1;
3347 }
3348 in_quote = !in_quote;
3349 }
3350 /* An argument can contain just about everything, except
3351 * characters that end the command and white space. */
3352 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3353 #ifdef SPACE_IN_FILENAME
3354 && (!(ea.argt & NOSPC) || usefilter)
3355 #endif
3356 ))
3357 {
3358 len = 0; /* avoid getting stuck when space is in 'isfname' */
3359 while (*p != NUL)
3360 {
3361 #ifdef FEAT_MBYTE
3362 if (has_mbyte)
3363 c = mb_ptr2char(p);
3364 else
3365 #endif
3366 c = *p;
3367 if (c == '`' || vim_isfilec_or_wc(c))
3368 break;
3369 #ifdef FEAT_MBYTE
3370 if (has_mbyte)
3371 len = (*mb_ptr2len)(p);
3372 else
3373 #endif
3374 len = 1;
3375 mb_ptr_adv(p);
3376 }
3377 if (in_quote)
3378 bow = p;
3379 else
3380 xp->xp_pattern = p;
3381 p -= len;
3382 }
3383 mb_ptr_adv(p);
3384 }
3385
3386 /*
3387 * If we are still inside the quotes, and we passed a space, just
3388 * expand from there.
3389 */
3390 if (bow != NULL && in_quote)
3391 xp->xp_pattern = bow;
3392 xp->xp_context = EXPAND_FILES;
3393
3394 #ifndef BACKSLASH_IN_FILENAME
3395 /* For a shell command more chars need to be escaped. */
3396 if (usefilter || ea.cmdidx == CMD_bang)
3397 {
3398 xp->xp_shell = TRUE;
3399
3400 /* When still after the command name expand executables. */
3401 if (xp->xp_pattern == skipwhite(arg))
3402 xp->xp_context = EXPAND_SHELLCMD;
3403 }
3404 #endif
3405
3406 /* Check for environment variable */
3407 if (*xp->xp_pattern == '$'
3408 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3409 || *xp->xp_pattern == '%'
3410 #endif
3411 )
3412 {
3413 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3414 if (!vim_isIDc(*p))
3415 break;
3416 if (*p == NUL)
3417 {
3418 xp->xp_context = EXPAND_ENV_VARS;
3419 ++xp->xp_pattern;
3420 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3421 /* Avoid that the assignment uses EXPAND_FILES again. */
3422 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3423 compl = EXPAND_ENV_VARS;
3424 #endif
3425 }
3426 }
3427 }
3428
3429 /*
3430 * 6. switch on command name
3431 */
3432 switch (ea.cmdidx)
3433 {
3434 case CMD_cd:
3435 case CMD_chdir:
3436 case CMD_lcd:
3437 case CMD_lchdir:
3438 if (xp->xp_context == EXPAND_FILES)
3439 xp->xp_context = EXPAND_DIRECTORIES;
3440 break;
3441 case CMD_help:
3442 xp->xp_context = EXPAND_HELP;
3443 xp->xp_pattern = arg;
3444 break;
3445
3446 /* Command modifiers: return the argument.
3447 * Also for commands with an argument that is a command. */
3448 case CMD_aboveleft:
3449 case CMD_argdo:
3450 case CMD_belowright:
3451 case CMD_botright:
3452 case CMD_browse:
3453 case CMD_bufdo:
3454 case CMD_confirm:
3455 case CMD_debug:
3456 case CMD_folddoclosed:
3457 case CMD_folddoopen:
3458 case CMD_hide:
3459 case CMD_keepalt:
3460 case CMD_keepjumps:
3461 case CMD_keepmarks:
3462 case CMD_leftabove:
3463 case CMD_lockmarks:
3464 case CMD_rightbelow:
3465 case CMD_sandbox:
3466 case CMD_silent:
3467 case CMD_tab:
3468 case CMD_topleft:
3469 case CMD_verbose:
3470 case CMD_vertical:
3471 case CMD_windo:
3472 return arg;
3473
3474 #ifdef FEAT_CMDL_COMPL
3475 # ifdef FEAT_SEARCH_EXTRA
3476 case CMD_match:
3477 if (*arg == NUL || !ends_excmd(*arg))
3478 {
3479 /* also complete "None" */
3480 set_context_in_echohl_cmd(xp, arg);
3481 arg = skipwhite(skiptowhite(arg));
3482 if (*arg != NUL)
3483 {
3484 xp->xp_context = EXPAND_NOTHING;
3485 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3486 }
3487 }
3488 return find_nextcmd(arg);
3489 # endif
3490
3491 /*
3492 * All completion for the +cmdline_compl feature goes here.
3493 */
3494
3495 # ifdef FEAT_USR_CMDS
3496 case CMD_command:
3497 /* Check for attributes */
3498 while (*arg == '-')
3499 {
3500 arg++; /* Skip "-" */
3501 p = skiptowhite(arg);
3502 if (*p == NUL)
3503 {
3504 /* Cursor is still in the attribute */
3505 p = vim_strchr(arg, '=');
3506 if (p == NULL)
3507 {
3508 /* No "=", so complete attribute names */
3509 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3510 xp->xp_pattern = arg;
3511 return NULL;
3512 }
3513
3514 /* For the -complete and -nargs attributes, we complete
3515 * their arguments as well.
3516 */
3517 if (STRNICMP(arg, "complete", p - arg) == 0)
3518 {
3519 xp->xp_context = EXPAND_USER_COMPLETE;
3520 xp->xp_pattern = p + 1;
3521 return NULL;
3522 }
3523 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3524 {
3525 xp->xp_context = EXPAND_USER_NARGS;
3526 xp->xp_pattern = p + 1;
3527 return NULL;
3528 }
3529 return NULL;
3530 }
3531 arg = skipwhite(p);
3532 }
3533
3534 /* After the attributes comes the new command name */
3535 p = skiptowhite(arg);
3536 if (*p == NUL)
3537 {
3538 xp->xp_context = EXPAND_USER_COMMANDS;
3539 xp->xp_pattern = arg;
3540 break;
3541 }
3542
3543 /* And finally comes a normal command */
3544 return skipwhite(p);
3545
3546 case CMD_delcommand:
3547 xp->xp_context = EXPAND_USER_COMMANDS;
3548 xp->xp_pattern = arg;
3549 break;
3550 # endif
3551
3552 case CMD_global:
3553 case CMD_vglobal:
3554 delim = *arg; /* get the delimiter */
3555 if (delim)
3556 ++arg; /* skip delimiter if there is one */
3557
3558 while (arg[0] != NUL && arg[0] != delim)
3559 {
3560 if (arg[0] == '\\' && arg[1] != NUL)
3561 ++arg;
3562 ++arg;
3563 }
3564 if (arg[0] != NUL)
3565 return arg + 1;
3566 break;
3567 case CMD_and:
3568 case CMD_substitute:
3569 delim = *arg;
3570 if (delim)
3571 {
3572 /* skip "from" part */
3573 ++arg;
3574 arg = skip_regexp(arg, delim, p_magic, NULL);
3575 }
3576 /* skip "to" part */
3577 while (arg[0] != NUL && arg[0] != delim)
3578 {
3579 if (arg[0] == '\\' && arg[1] != NUL)
3580 ++arg;
3581 ++arg;
3582 }
3583 if (arg[0] != NUL) /* skip delimiter */
3584 ++arg;
3585 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3586 ++arg;
3587 if (arg[0] != NUL)
3588 return arg;
3589 break;
3590 case CMD_isearch:
3591 case CMD_dsearch:
3592 case CMD_ilist:
3593 case CMD_dlist:
3594 case CMD_ijump:
3595 case CMD_psearch:
3596 case CMD_djump:
3597 case CMD_isplit:
3598 case CMD_dsplit:
3599 arg = skipwhite(skipdigits(arg)); /* skip count */
3600 if (*arg == '/') /* Match regexp, not just whole words */
3601 {
3602 for (++arg; *arg && *arg != '/'; arg++)
3603 if (*arg == '\\' && arg[1] != NUL)
3604 arg++;
3605 if (*arg)
3606 {
3607 arg = skipwhite(arg + 1);
3608
3609 /* Check for trailing illegal characters */
3610 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3611 xp->xp_context = EXPAND_NOTHING;
3612 else
3613 return arg;
3614 }
3615 }
3616 break;
3617 #ifdef FEAT_AUTOCMD
3618 case CMD_autocmd:
3619 return set_context_in_autocmd(xp, arg, FALSE);
3620
3621 case CMD_doautocmd:
3622 case CMD_doautoall:
3623 return set_context_in_autocmd(xp, arg, TRUE);
3624 #endif
3625 case CMD_set:
3626 set_context_in_set_cmd(xp, arg, 0);
3627 break;
3628 case CMD_setglobal:
3629 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3630 break;
3631 case CMD_setlocal:
3632 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3633 break;
3634 case CMD_tag:
3635 case CMD_stag:
3636 case CMD_ptag:
3637 case CMD_ltag:
3638 case CMD_tselect:
3639 case CMD_stselect:
3640 case CMD_ptselect:
3641 case CMD_tjump:
3642 case CMD_stjump:
3643 case CMD_ptjump:
3644 if (*p_wop != NUL)
3645 xp->xp_context = EXPAND_TAGS_LISTFILES;
3646 else
3647 xp->xp_context = EXPAND_TAGS;
3648 xp->xp_pattern = arg;
3649 break;
3650 case CMD_augroup:
3651 xp->xp_context = EXPAND_AUGROUP;
3652 xp->xp_pattern = arg;
3653 break;
3654 #ifdef FEAT_SYN_HL
3655 case CMD_syntax:
3656 set_context_in_syntax_cmd(xp, arg);
3657 break;
3658 #endif
3659 #ifdef FEAT_EVAL
3660 case CMD_let:
3661 case CMD_if:
3662 case CMD_elseif:
3663 case CMD_while:
3664 case CMD_for:
3665 case CMD_echo:
3666 case CMD_echon:
3667 case CMD_execute:
3668 case CMD_echomsg:
3669 case CMD_echoerr:
3670 case CMD_call:
3671 case CMD_return:
3672 set_context_for_expression(xp, arg, ea.cmdidx);
3673 break;
3674
3675 case CMD_unlet:
3676 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3677 arg = xp->xp_pattern + 1;
3678 xp->xp_context = EXPAND_USER_VARS;
3679 xp->xp_pattern = arg;
3680 break;
3681
3682 case CMD_function:
3683 case CMD_delfunction:
3684 xp->xp_context = EXPAND_USER_FUNC;
3685 xp->xp_pattern = arg;
3686 break;
3687
3688 case CMD_echohl:
3689 set_context_in_echohl_cmd(xp, arg);
3690 break;
3691 #endif
3692 case CMD_highlight:
3693 set_context_in_highlight_cmd(xp, arg);
3694 break;
3695 #ifdef FEAT_CSCOPE
3696 case CMD_cscope:
3697 case CMD_lcscope:
3698 case CMD_scscope:
3699 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3700 break;
3701 #endif
3702 #ifdef FEAT_SIGNS
3703 case CMD_sign:
3704 set_context_in_sign_cmd(xp, arg);
3705 break;
3706 #endif
3707 #ifdef FEAT_LISTCMDS
3708 case CMD_bdelete:
3709 case CMD_bwipeout:
3710 case CMD_bunload:
3711 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3712 arg = xp->xp_pattern + 1;
3713 /*FALLTHROUGH*/
3714 case CMD_buffer:
3715 case CMD_sbuffer:
3716 case CMD_checktime:
3717 xp->xp_context = EXPAND_BUFFERS;
3718 xp->xp_pattern = arg;
3719 break;
3720 #endif
3721 #ifdef FEAT_USR_CMDS
3722 case CMD_USER:
3723 case CMD_USER_BUF:
3724 if (compl != EXPAND_NOTHING)
3725 {
3726 /* XFILE: file names are handled above */
3727 if (!(ea.argt & XFILE))
3728 {
3729 # ifdef FEAT_MENU
3730 if (compl == EXPAND_MENUS)
3731 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3732 # endif
3733 if (compl == EXPAND_COMMANDS)
3734 return arg;
3735 if (compl == EXPAND_MAPPINGS)
3736 return set_context_in_map_cmd(xp, (char_u *)"map",
3737 arg, forceit, FALSE, FALSE, CMD_map);
3738 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3739 arg = xp->xp_pattern + 1;
3740 xp->xp_pattern = arg;
3741 }
3742 xp->xp_context = compl;
3743 }
3744 break;
3745 #endif
3746 case CMD_map: case CMD_noremap:
3747 case CMD_nmap: case CMD_nnoremap:
3748 case CMD_vmap: case CMD_vnoremap:
3749 case CMD_omap: case CMD_onoremap:
3750 case CMD_imap: case CMD_inoremap:
3751 case CMD_cmap: case CMD_cnoremap:
3752 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3753 FALSE, FALSE, ea.cmdidx);
3754 case CMD_unmap:
3755 case CMD_nunmap:
3756 case CMD_vunmap:
3757 case CMD_ounmap:
3758 case CMD_iunmap:
3759 case CMD_cunmap:
3760 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3761 FALSE, TRUE, ea.cmdidx);
3762 case CMD_abbreviate: case CMD_noreabbrev:
3763 case CMD_cabbrev: case CMD_cnoreabbrev:
3764 case CMD_iabbrev: case CMD_inoreabbrev:
3765 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3766 TRUE, FALSE, ea.cmdidx);
3767 case CMD_unabbreviate:
3768 case CMD_cunabbrev:
3769 case CMD_iunabbrev:
3770 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3771 TRUE, TRUE, ea.cmdidx);
3772 #ifdef FEAT_MENU
3773 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3774 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3775 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3776 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3777 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3778 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3779 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3780 case CMD_tmenu: case CMD_tunmenu:
3781 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3782 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3783 #endif
3784
3785 case CMD_colorscheme:
3786 xp->xp_context = EXPAND_COLORS;
3787 xp->xp_pattern = arg;
3788 break;
3789
3790 case CMD_compiler:
3791 xp->xp_context = EXPAND_COMPILER;
3792 xp->xp_pattern = arg;
3793 break;
3794
3795 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3796 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3797 case CMD_language:
3798 if (*skiptowhite(arg) == NUL)
3799 {
3800 xp->xp_context = EXPAND_LANGUAGE;
3801 xp->xp_pattern = arg;
3802 }
3803 else
3804 xp->xp_context = EXPAND_NOTHING;
3805 break;
3806 #endif
3807
3808 #endif /* FEAT_CMDL_COMPL */
3809
3810 default:
3811 break;
3812 }
3813 return NULL;
3814 }
3815
3816 /*
3817 * skip a range specifier of the form: addr [,addr] [;addr] ..
3818 *
3819 * Backslashed delimiters after / or ? will be skipped, and commands will
3820 * not be expanded between /'s and ?'s or after "'".
3821 *
3822 * Also skip white space and ":" characters.
3823 * Returns the "cmd" pointer advanced to beyond the range.
3824 */
3825 char_u *
3826 skip_range(cmd, ctx)
3827 char_u *cmd;
3828 int *ctx; /* pointer to xp_context or NULL */
3829 {
3830 int delim;
3831
3832 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3833 {
3834 if (*cmd == '\'')
3835 {
3836 if (*++cmd == NUL && ctx != NULL)
3837 *ctx = EXPAND_NOTHING;
3838 }
3839 else if (*cmd == '/' || *cmd == '?')
3840 {
3841 delim = *cmd++;
3842 while (*cmd != NUL && *cmd != delim)
3843 if (*cmd++ == '\\' && *cmd != NUL)
3844 ++cmd;
3845 if (*cmd == NUL && ctx != NULL)
3846 *ctx = EXPAND_NOTHING;
3847 }
3848 if (*cmd != NUL)
3849 ++cmd;
3850 }
3851
3852 /* Skip ":" and white space. */
3853 while (*cmd == ':')
3854 cmd = skipwhite(cmd + 1);
3855
3856 return cmd;
3857 }
3858
3859 /*
3860 * get a single EX address
3861 *
3862 * Set ptr to the next character after the part that was interpreted.
3863 * Set ptr to NULL when an error is encountered.
3864 *
3865 * Return MAXLNUM when no Ex address was found.
3866 */
3867 static linenr_T
3868 get_address(ptr, skip, to_other_file)
3869 char_u **ptr;
3870 int skip; /* only skip the address, don't use it */
3871 int to_other_file; /* flag: may jump to other file */
3872 {
3873 int c;
3874 int i;
3875 long n;
3876 char_u *cmd;
3877 pos_T pos;
3878 pos_T *fp;
3879 linenr_T lnum;
3880
3881 cmd = skipwhite(*ptr);
3882 lnum = MAXLNUM;
3883 do
3884 {
3885 switch (*cmd)
3886 {
3887 case '.': /* '.' - Cursor position */
3888 ++cmd;
3889 lnum = curwin->w_cursor.lnum;
3890 break;
3891
3892 case '$': /* '$' - last line */
3893 ++cmd;
3894 lnum = curbuf->b_ml.ml_line_count;
3895 break;
3896
3897 case '\'': /* ''' - mark */
3898 if (*++cmd == NUL)
3899 {
3900 cmd = NULL;
3901 goto error;
3902 }
3903 if (skip)
3904 ++cmd;
3905 else
3906 {
3907 /* Only accept a mark in another file when it is
3908 * used by itself: ":'M". */
3909 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3910 ++cmd;
3911 if (fp == (pos_T *)-1)
3912 /* Jumped to another file. */
3913 lnum = curwin->w_cursor.lnum;
3914 else
3915 {
3916 if (check_mark(fp) == FAIL)
3917 {
3918 cmd = NULL;
3919 goto error;
3920 }
3921 lnum = fp->lnum;
3922 }
3923 }
3924 break;
3925
3926 case '/':
3927 case '?': /* '/' or '?' - search */
3928 c = *cmd++;
3929 if (skip) /* skip "/pat/" */
3930 {
3931 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3932 if (*cmd == c)
3933 ++cmd;
3934 }
3935 else
3936 {
3937 pos = curwin->w_cursor; /* save curwin->w_cursor */
3938 /*
3939 * When '/' or '?' follows another address, start
3940 * from there.
3941 */
3942 if (lnum != MAXLNUM)
3943 curwin->w_cursor.lnum = lnum;
3944 /*
3945 * Start a forward search at the end of the line.
3946 * Start a backward search at the start of the line.
3947 * This makes sure we never match in the current
3948 * line, and can match anywhere in the
3949 * next/previous line.
3950 */
3951 if (c == '/')
3952 curwin->w_cursor.col = MAXCOL;
3953 else
3954 curwin->w_cursor.col = 0;
3955 searchcmdlen = 0;
3956 if (!do_search(NULL, c, cmd, 1L,
3957 SEARCH_HIS | SEARCH_MSG, NULL))
3958 {
3959 curwin->w_cursor = pos;
3960 cmd = NULL;
3961 goto error;
3962 }
3963 lnum = curwin->w_cursor.lnum;
3964 curwin->w_cursor = pos;
3965 /* adjust command string pointer */
3966 cmd += searchcmdlen;
3967 }
3968 break;
3969
3970 case '\\': /* "\?", "\/" or "\&", repeat search */
3971 ++cmd;
3972 if (*cmd == '&')
3973 i = RE_SUBST;
3974 else if (*cmd == '?' || *cmd == '/')
3975 i = RE_SEARCH;
3976 else
3977 {
3978 EMSG(_(e_backslash));
3979 cmd = NULL;
3980 goto error;
3981 }
3982
3983 if (!skip)
3984 {
3985 /*
3986 * When search follows another address, start from
3987 * there.
3988 */
3989 if (lnum != MAXLNUM)
3990 pos.lnum = lnum;
3991 else
3992 pos.lnum = curwin->w_cursor.lnum;
3993
3994 /*
3995 * Start the search just like for the above
3996 * do_search().
3997 */
3998 if (*cmd != '?')
3999 pos.col = MAXCOL;
4000 else
4001 pos.col = 0;
4002 if (searchit(curwin, curbuf, &pos,
4003 *cmd == '?' ? BACKWARD : FORWARD,
4004 (char_u *)"", 1L, SEARCH_MSG,
4005 i, (linenr_T)0, NULL) != FAIL)
4006 lnum = pos.lnum;
4007 else
4008 {
4009 cmd = NULL;
4010 goto error;
4011 }
4012 }
4013 ++cmd;
4014 break;
4015
4016 default:
4017 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4018 lnum = getdigits(&cmd);
4019 }
4020
4021 for (;;)
4022 {
4023 cmd = skipwhite(cmd);
4024 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4025 break;
4026
4027 if (lnum == MAXLNUM)
4028 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4029 if (VIM_ISDIGIT(*cmd))
4030 i = '+'; /* "number" is same as "+number" */
4031 else
4032 i = *cmd++;
4033 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4034 n = 1;
4035 else
4036 n = getdigits(&cmd);
4037 if (i == '-')
4038 lnum -= n;
4039 else
4040 lnum += n;
4041 }
4042 } while (*cmd == '/' || *cmd == '?');
4043
4044 error:
4045 *ptr = cmd;
4046 return lnum;
4047 }
4048
4049 /*
4050 * Get flags from an Ex command argument.
4051 */
4052 static void
4053 get_flags(eap)
4054 exarg_T *eap;
4055 {
4056 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4057 {
4058 if (*eap->arg == 'l')
4059 eap->flags |= EXFLAG_LIST;
4060 else if (*eap->arg == 'p')
4061 eap->flags |= EXFLAG_PRINT;
4062 else
4063 eap->flags |= EXFLAG_NR;
4064 eap->arg = skipwhite(eap->arg + 1);
4065 }
4066 }
4067
4068 /*
4069 * Function called for command which is Not Implemented. NI!
4070 */
4071 void
4072 ex_ni(eap)
4073 exarg_T *eap;
4074 {
4075 if (!eap->skip)
4076 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4077 }
4078
4079 #ifdef HAVE_EX_SCRIPT_NI
4080 /*
4081 * Function called for script command which is Not Implemented. NI!
4082 * Skips over ":perl <<EOF" constructs.
4083 */
4084 static void
4085 ex_script_ni(eap)
4086 exarg_T *eap;
4087 {
4088 if (!eap->skip)
4089 ex_ni(eap);
4090 else
4091 vim_free(script_get(eap, eap->arg));
4092 }
4093 #endif
4094
4095 /*
4096 * Check range in Ex command for validity.
4097 * Return NULL when valid, error message when invalid.
4098 */
4099 static char_u *
4100 invalid_range(eap)
4101 exarg_T *eap;
4102 {
4103 if ( eap->line1 < 0
4104 || eap->line2 < 0
4105 || eap->line1 > eap->line2
4106 || ((eap->argt & RANGE)
4107 && !(eap->argt & NOTADR)
4108 && eap->line2 > curbuf->b_ml.ml_line_count
4109 #ifdef FEAT_DIFF
4110 + (eap->cmdidx == CMD_diffget)
4111 #endif
4112 ))
4113 return (char_u *)_(e_invrange);
4114 return NULL;
4115 }
4116
4117 /*
4118 * Correct the range for zero line number, if required.
4119 */
4120 static void
4121 correct_range(eap)
4122 exarg_T *eap;
4123 {
4124 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4125 {
4126 if (eap->line1 == 0)
4127 eap->line1 = 1;
4128 if (eap->line2 == 0)
4129 eap->line2 = 1;
4130 }
4131 }
4132
4133 #ifdef FEAT_QUICKFIX
4134 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4135
4136 /*
4137 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4138 * pattern. Otherwise return eap->arg.
4139 */
4140 static char_u *
4141 skip_grep_pat(eap)
4142 exarg_T *eap;
4143 {
4144 char_u *p = eap->arg;
4145
4146 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4147 || eap->cmdidx == CMD_vimgrepadd
4148 || eap->cmdidx == CMD_lvimgrepadd
4149 || grep_internal(eap->cmdidx)))
4150 {
4151 p = skip_vimgrep_pat(p, NULL, NULL);
4152 if (p == NULL)
4153 p = eap->arg;
4154 }
4155 return p;
4156 }
4157
4158 /*
4159 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4160 * in the command line, so that things like % get expanded.
4161 */
4162 static char_u *
4163 replace_makeprg(eap, p, cmdlinep)
4164 exarg_T *eap;
4165 char_u *p;
4166 char_u **cmdlinep;
4167 {
4168 char_u *new_cmdline;
4169 char_u *program;
4170 char_u *pos;
4171 char_u *ptr;
4172 int len;
4173 int i;
4174
4175 /*
4176 * Don't do it when ":vimgrep" is used for ":grep".
4177 */
4178 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4179 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4180 || eap->cmdidx == CMD_grepadd
4181 || eap->cmdidx == CMD_lgrepadd)
4182 && !grep_internal(eap->cmdidx))
4183 {
4184 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4185 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4186 {
4187 if (*curbuf->b_p_gp == NUL)
4188 program = p_gp;
4189 else
4190 program = curbuf->b_p_gp;
4191 }
4192 else
4193 {
4194 if (*curbuf->b_p_mp == NUL)
4195 program = p_mp;
4196 else
4197 program = curbuf->b_p_mp;
4198 }
4199
4200 p = skipwhite(p);
4201
4202 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4203 {
4204 /* replace $* by given arguments */
4205 i = 1;
4206 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4207 ++i;
4208 len = (int)STRLEN(p);
4209 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4210 if (new_cmdline == NULL)
4211 return NULL; /* out of memory */
4212 ptr = new_cmdline;
4213 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4214 {
4215 i = (int)(pos - program);
4216 STRNCPY(ptr, program, i);
4217 STRCPY(ptr += i, p);
4218 ptr += len;
4219 program = pos + 2;
4220 }
4221 STRCPY(ptr, program);
4222 }
4223 else
4224 {
4225 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4226 if (new_cmdline == NULL)
4227 return NULL; /* out of memory */
4228 STRCPY(new_cmdline, program);
4229 STRCAT(new_cmdline, " ");
4230 STRCAT(new_cmdline, p);
4231 }
4232 msg_make(p);
4233
4234 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4235 vim_free(*cmdlinep);
4236 *cmdlinep = new_cmdline;
4237 p = new_cmdline;
4238 }
4239 return p;
4240 }
4241 #endif
4242
4243 /*
4244 * Expand file name in Ex command argument.
4245 * Return FAIL for failure, OK otherwise.
4246 */
4247 int
4248 expand_filename(eap, cmdlinep, errormsgp)
4249 exarg_T *eap;
4250 char_u **cmdlinep;
4251 char_u **errormsgp;
4252 {
4253 int has_wildcards; /* need to expand wildcards */
4254 char_u *repl;
4255 int srclen;
4256 char_u *p;
4257 int n;
4258 int escaped;
4259
4260 #ifdef FEAT_QUICKFIX
4261 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4262 p = skip_grep_pat(eap);
4263 #else
4264 p = eap->arg;
4265 #endif
4266
4267 /*
4268 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4269 * the file name contains a wildcard it should not cause expanding.
4270 * (it will be expanded anyway if there is a wildcard before replacing).
4271 */
4272 has_wildcards = mch_has_wildcard(p);
4273 while (*p != NUL)
4274 {
4275 #ifdef FEAT_EVAL
4276 /* Skip over `=expr`, wildcards in it are not expanded. */
4277 if (p[0] == '`' && p[1] == '=')
4278 {
4279 p += 2;
4280 (void)skip_expr(&p);
4281 if (*p == '`')
4282 ++p;
4283 continue;
4284 }
4285 #endif
4286 /*
4287 * Quick check if this cannot be the start of a special string.
4288 * Also removes backslash before '%', '#' and '<'.
4289 */
4290 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4291 {
4292 ++p;
4293 continue;
4294 }
4295
4296 /*
4297 * Try to find a match at this position.
4298 */
4299 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4300 errormsgp, &escaped);
4301 if (*errormsgp != NULL) /* error detected */
4302 return FAIL;
4303 if (repl == NULL) /* no match found */
4304 {
4305 p += srclen;
4306 continue;
4307 }
4308
4309 /* Wildcards won't be expanded below, the replacement is taken
4310 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4311 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4312 {
4313 char_u *l = repl;
4314
4315 repl = expand_env_save(repl);
4316 vim_free(l);
4317 }
4318
4319 /* Need to escape white space et al. with a backslash.
4320 * Don't do this for:
4321 * - replacement that already has been escaped: "##"
4322 * - shell commands (may have to use quotes instead).
4323 * - non-unix systems when there is a single argument (spaces don't
4324 * separate arguments then).
4325 */
4326 if (!eap->usefilter
4327 && !escaped
4328 && eap->cmdidx != CMD_bang
4329 && eap->cmdidx != CMD_make
4330 && eap->cmdidx != CMD_lmake
4331 && eap->cmdidx != CMD_grep
4332 && eap->cmdidx != CMD_lgrep
4333 && eap->cmdidx != CMD_grepadd
4334 && eap->cmdidx != CMD_lgrepadd
4335 #ifndef UNIX
4336 && !(eap->argt & NOSPC)
4337 #endif
4338 )
4339 {
4340 char_u *l;
4341 #ifdef BACKSLASH_IN_FILENAME
4342 /* Don't escape a backslash here, because rem_backslash() doesn't
4343 * remove it later. */
4344 static char_u *nobslash = (char_u *)" \t\"|";
4345 # define ESCAPE_CHARS nobslash
4346 #else
4347 # define ESCAPE_CHARS escape_chars
4348 #endif
4349
4350 for (l = repl; *l; ++l)
4351 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4352 {
4353 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4354 if (l != NULL)
4355 {
4356 vim_free(repl);
4357 repl = l;
4358 }
4359 break;
4360 }
4361 }
4362
4363 /* For a shell command a '!' must be escaped. */
4364 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4365 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4366 {
4367 char_u *l;
4368
4369 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4370 if (l != NULL)
4371 {
4372 vim_free(repl);
4373 repl = l;
4374 /* For a sh-like shell escape "!" another time. */
4375 if (strstr((char *)p_sh, "sh") != NULL)
4376 {
4377 l = vim_strsave_escaped(repl, (char_u *)"!");
4378 if (l != NULL)
4379 {
4380 vim_free(repl);
4381 repl = l;
4382 }
4383 }
4384 }
4385 }
4386
4387 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4388 vim_free(repl);
4389 if (p == NULL)
4390 return FAIL;
4391 }
4392
4393 /*
4394 * One file argument: Expand wildcards.
4395 * Don't do this with ":r !command" or ":w !command".
4396 */
4397 if ((eap->argt & NOSPC) && !eap->usefilter)
4398 {
4399 /*
4400 * May do this twice:
4401 * 1. Replace environment variables.
4402 * 2. Replace any other wildcards, remove backslashes.
4403 */
4404 for (n = 1; n <= 2; ++n)
4405 {
4406 if (n == 2)
4407 {
4408 #ifdef UNIX
4409 /*
4410 * Only for Unix we check for more than one file name.
4411 * For other systems spaces are considered to be part
4412 * of the file name.
4413 * Only check here if there is no wildcard, otherwise
4414 * ExpandOne() will check for errors. This allows
4415 * ":e `ls ve*.c`" on Unix.
4416 */
4417 if (!has_wildcards)
4418 for (p = eap->arg; *p; ++p)
4419 {
4420 /* skip escaped characters */
4421 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4422 ++p;
4423 else if (vim_iswhite(*p))
4424 {
4425 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4426 return FAIL;
4427 }
4428 }
4429 #endif
4430
4431 /*
4432 * Halve the number of backslashes (this is Vi compatible).
4433 * For Unix and OS/2, when wildcards are expanded, this is
4434 * done by ExpandOne() below.
4435 */
4436 #if defined(UNIX) || defined(OS2)
4437 if (!has_wildcards)
4438 #endif
4439 backslash_halve(eap->arg);
4440 }
4441
4442 if (has_wildcards)
4443 {
4444 if (n == 1)
4445 {
4446 /*
4447 * First loop: May expand environment variables. This
4448 * can be done much faster with expand_env() than with
4449 * something else (e.g., calling a shell).
4450 * After expanding environment variables, check again
4451 * if there are still wildcards present.
4452 */
4453 if (vim_strchr(eap->arg, '$') != NULL
4454 || vim_strchr(eap->arg, '~') != NULL)
4455 {
4456 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4457 TRUE, TRUE, NULL);
4458 has_wildcards = mch_has_wildcard(NameBuff);
4459 p = NameBuff;
4460 }
4461 else
4462 p = NULL;
4463 }
4464 else /* n == 2 */
4465 {
4466 expand_T xpc;
4467
4468 ExpandInit(&xpc);
4469 xpc.xp_context = EXPAND_FILES;
4470 p = ExpandOne(&xpc, eap->arg, NULL,
4471 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4472 WILD_EXPAND_FREE);
4473 if (p == NULL)
4474 return FAIL;
4475 }
4476 if (p != NULL)
4477 {
4478 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4479 p, cmdlinep);
4480 if (n == 2) /* p came from ExpandOne() */
4481 vim_free(p);
4482 }
4483 }
4484 }
4485 }
4486 return OK;
4487 }
4488
4489 /*
4490 * Replace part of the command line, keeping eap->cmd, eap->arg and
4491 * eap->nextcmd correct.
4492 * "src" points to the part that is to be replaced, of length "srclen".
4493 * "repl" is the replacement string.
4494 * Returns a pointer to the character after the replaced string.
4495 * Returns NULL for failure.
4496 */
4497 static char_u *
4498 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4499 exarg_T *eap;
4500 char_u *src;
4501 int srclen;
4502 char_u *repl;
4503 char_u **cmdlinep;
4504 {
4505 int len;
4506 int i;
4507 char_u *new_cmdline;
4508
4509 /*
4510 * The new command line is build in new_cmdline[].
4511 * First allocate it.
4512 * Careful: a "+cmd" argument may have been NUL terminated.
4513 */
4514 len = (int)STRLEN(repl);
4515 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4516 if (eap->nextcmd != NULL)
4517 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4518 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4519 return NULL; /* out of memory! */
4520
4521 /*
4522 * Copy the stuff before the expanded part.
4523 * Copy the expanded stuff.
4524 * Copy what came after the expanded part.
4525 * Copy the next commands, if there are any.
4526 */
4527 i = (int)(src - *cmdlinep); /* length of part before match */
4528 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4529
4530 mch_memmove(new_cmdline + i, repl, (size_t)len);
4531 i += len; /* remember the end of the string */
4532 STRCPY(new_cmdline + i, src + srclen);
4533 src = new_cmdline + i; /* remember where to continue */
4534
4535 if (eap->nextcmd != NULL) /* append next command */
4536 {
4537 i = (int)STRLEN(new_cmdline) + 1;
4538 STRCPY(new_cmdline + i, eap->nextcmd);
4539 eap->nextcmd = new_cmdline + i;
4540 }
4541 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4542 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4543 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4544 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4545 vim_free(*cmdlinep);
4546 *cmdlinep = new_cmdline;
4547
4548 return src;
4549 }
4550
4551 /*
4552 * Check for '|' to separate commands and '"' to start comments.
4553 */
4554 void
4555 separate_nextcmd(eap)
4556 exarg_T *eap;
4557 {
4558 char_u *p;
4559
4560 #ifdef FEAT_QUICKFIX
4561 p = skip_grep_pat(eap);
4562 #else
4563 p = eap->arg;
4564 #endif
4565
4566 for ( ; *p; mb_ptr_adv(p))
4567 {
4568 if (*p == Ctrl_V)
4569 {
4570 if (eap->argt & (USECTRLV | XFILE))
4571 ++p; /* skip CTRL-V and next char */
4572 else
4573 /* remove CTRL-V and skip next char */
4574 STRMOVE(p, p + 1);
4575 if (*p == NUL) /* stop at NUL after CTRL-V */
4576 break;
4577 }
4578
4579 #ifdef FEAT_EVAL
4580 /* Skip over `=expr` when wildcards are expanded. */
4581 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4582 {
4583 p += 2;
4584 (void)skip_expr(&p);
4585 }
4586 #endif
4587
4588 /* Check for '"': start of comment or '|': next command */
4589 /* :@" and :*" do not start a comment!
4590 * :redir @" doesn't either. */
4591 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4592 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4593 || p != eap->arg)
4594 && (eap->cmdidx != CMD_redir
4595 || p != eap->arg + 1 || p[-1] != '@'))
4596 || *p == '|' || *p == '\n')
4597 {
4598 /*
4599 * We remove the '\' before the '|', unless USECTRLV is used
4600 * AND 'b' is present in 'cpoptions'.
4601 */
4602 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4603 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4604 {
4605 STRMOVE(p - 1, p); /* remove the '\' */
4606 --p;
4607 }
4608 else
4609 {
4610 eap->nextcmd = check_nextcmd(p);
4611 *p = NUL;
4612 break;
4613 }
4614 }
4615 }
4616
4617 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4618 del_trailing_spaces(eap->arg);
4619 }
4620
4621 /*
4622 * get + command from ex argument
4623 */
4624 static char_u *
4625 getargcmd(argp)
4626 char_u **argp;
4627 {
4628 char_u *arg = *argp;
4629 char_u *command = NULL;
4630
4631 if (*arg == '+') /* +[command] */
4632 {
4633 ++arg;
4634 if (vim_isspace(*arg))
4635 command = dollar_command;
4636 else
4637 {
4638 command = arg;
4639 arg = skip_cmd_arg(command, TRUE);
4640 if (*arg != NUL)
4641 *arg++ = NUL; /* terminate command with NUL */
4642 }
4643
4644 arg = skipwhite(arg); /* skip over spaces */
4645 *argp = arg;
4646 }
4647 return command;
4648 }
4649
4650 /*
4651 * Find end of "+command" argument. Skip over "\ " and "\\".
4652 */
4653 static char_u *
4654 skip_cmd_arg(p, rembs)
4655 char_u *p;
4656 int rembs; /* TRUE to halve the number of backslashes */
4657 {
4658 while (*p && !vim_isspace(*p))
4659 {
4660 if (*p == '\\' && p[1] != NUL)
4661 {
4662 if (rembs)
4663 STRMOVE(p, p + 1);
4664 else
4665 ++p;
4666 }
4667 mb_ptr_adv(p);
4668 }
4669 return p;
4670 }
4671
4672 /*
4673 * Get "++opt=arg" argument.
4674 * Return FAIL or OK.
4675 */
4676 static int
4677 getargopt(eap)
4678 exarg_T *eap;
4679 {
4680 char_u *arg = eap->arg + 2;
4681 int *pp = NULL;
4682 #ifdef FEAT_MBYTE
4683 char_u *p;
4684 #endif
4685
4686 /* ":edit ++[no]bin[ary] file" */
4687 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4688 {
4689 if (*arg == 'n')
4690 {
4691 arg += 2;
4692 eap->force_bin = FORCE_NOBIN;
4693 }
4694 else
4695 eap->force_bin = FORCE_BIN;
4696 if (!checkforcmd(&arg, "binary", 3))
4697 return FAIL;
4698 eap->arg = skipwhite(arg);
4699 return OK;
4700 }
4701
4702 /* ":read ++edit file" */
4703 if (STRNCMP(arg, "edit", 4) == 0)
4704 {
4705 eap->read_edit = TRUE;
4706 eap->arg = skipwhite(arg + 4);
4707 return OK;
4708 }
4709
4710 if (STRNCMP(arg, "ff", 2) == 0)
4711 {
4712 arg += 2;
4713 pp = &eap->force_ff;
4714 }
4715 else if (STRNCMP(arg, "fileformat", 10) == 0)
4716 {
4717 arg += 10;
4718 pp = &eap->force_ff;
4719 }
4720 #ifdef FEAT_MBYTE
4721 else if (STRNCMP(arg, "enc", 3) == 0)
4722 {
4723 arg += 3;
4724 pp = &eap->force_enc;
4725 }
4726 else if (STRNCMP(arg, "encoding", 8) == 0)
4727 {
4728 arg += 8;
4729 pp = &eap->force_enc;
4730 }
4731 else if (STRNCMP(arg, "bad", 3) == 0)
4732 {
4733 arg += 3;
4734 pp = &eap->bad_char;
4735 }
4736 #endif
4737
4738 if (pp == NULL || *arg != '=')
4739 return FAIL;
4740
4741 ++arg;
4742 *pp = (int)(arg - eap->cmd);
4743 arg = skip_cmd_arg(arg, FALSE);
4744 eap->arg = skipwhite(arg);
4745 *arg = NUL;
4746
4747 #ifdef FEAT_MBYTE
4748 if (pp == &eap->force_ff)
4749 {
4750 #endif
4751 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4752 return FAIL;
4753 #ifdef FEAT_MBYTE
4754 }
4755 else if (pp == &eap->force_enc)
4756 {
4757 /* Make 'fileencoding' lower case. */
4758 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4759 *p = TOLOWER_ASC(*p);
4760 }
4761 else
4762 {
4763 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4764 * "drop". */
4765 p = eap->cmd + eap->bad_char;
4766 if (STRICMP(p, "keep") == 0)
4767 eap->bad_char = BAD_KEEP;
4768 else if (STRICMP(p, "drop") == 0)
4769 eap->bad_char = BAD_DROP;
4770 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4771 eap->bad_char = *p;
4772 else
4773 return FAIL;
4774 }
4775 #endif
4776
4777 return OK;
4778 }
4779
4780 /*
4781 * ":abbreviate" and friends.
4782 */
4783 static void
4784 ex_abbreviate(eap)
4785 exarg_T *eap;
4786 {
4787 do_exmap(eap, TRUE); /* almost the same as mapping */
4788 }
4789
4790 /*
4791 * ":map" and friends.
4792 */
4793 static void
4794 ex_map(eap)
4795 exarg_T *eap;
4796 {
4797 /*
4798 * If we are sourcing .exrc or .vimrc in current directory we
4799 * print the mappings for security reasons.
4800 */
4801 if (secure)
4802 {
4803 secure = 2;
4804 msg_outtrans(eap->cmd);
4805 msg_putchar('\n');
4806 }
4807 do_exmap(eap, FALSE);
4808 }
4809
4810 /*
4811 * ":unmap" and friends.
4812 */
4813 static void
4814 ex_unmap(eap)
4815 exarg_T *eap;
4816 {
4817 do_exmap(eap, FALSE);
4818 }
4819
4820 /*
4821 * ":mapclear" and friends.
4822 */
4823 static void
4824 ex_mapclear(eap)
4825 exarg_T *eap;
4826 {
4827 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4828 }
4829
4830 /*
4831 * ":abclear" and friends.
4832 */
4833 static void
4834 ex_abclear(eap)
4835 exarg_T *eap;
4836 {
4837 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4838 }
4839
4840 #ifdef FEAT_AUTOCMD
4841 static void
4842 ex_autocmd(eap)
4843 exarg_T *eap;
4844 {
4845 /*
4846 * Disallow auto commands from .exrc and .vimrc in current
4847 * directory for security reasons.
4848 */
4849 if (secure)
4850 {
4851 secure = 2;
4852 eap->errmsg = e_curdir;
4853 }
4854 else if (eap->cmdidx == CMD_autocmd)
4855 do_autocmd(eap->arg, eap->forceit);
4856 else
4857 do_augroup(eap->arg, eap->forceit);
4858 }
4859
4860 /*
4861 * ":doautocmd": Apply the automatic commands to the current buffer.
4862 */
4863 static void
4864 ex_doautocmd(eap)
4865 exarg_T *eap;
4866 {
4867 (void)do_doautocmd(eap->arg, TRUE);
4868 do_modelines(0);
4869 }
4870 #endif
4871
4872 #ifdef FEAT_LISTCMDS
4873 /*
4874 * :[N]bunload[!] [N] [bufname] unload buffer
4875 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4876 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4877 */
4878 static void
4879 ex_bunload(eap)
4880 exarg_T *eap;
4881 {
4882 eap->errmsg = do_bufdel(
4883 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4884 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4885 : DOBUF_UNLOAD, eap->arg,
4886 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4887 }
4888
4889 /*
4890 * :[N]buffer [N] to buffer N
4891 * :[N]sbuffer [N] to buffer N
4892 */
4893 static void
4894 ex_buffer(eap)
4895 exarg_T *eap;
4896 {
4897 if (*eap->arg)
4898 eap->errmsg = e_trailing;
4899 else
4900 {
4901 if (eap->addr_count == 0) /* default is current buffer */
4902 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4903 else
4904 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4905 }
4906 }
4907
4908 /*
4909 * :[N]bmodified [N] to next mod. buffer
4910 * :[N]sbmodified [N] to next mod. buffer
4911 */
4912 static void
4913 ex_bmodified(eap)
4914 exarg_T *eap;
4915 {
4916 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4917 }
4918
4919 /*
4920 * :[N]bnext [N] to next buffer
4921 * :[N]sbnext [N] split and to next buffer
4922 */
4923 static void
4924 ex_bnext(eap)
4925 exarg_T *eap;
4926 {
4927 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4928 }
4929
4930 /*
4931 * :[N]bNext [N] to previous buffer
4932 * :[N]bprevious [N] to previous buffer
4933 * :[N]sbNext [N] split and to previous buffer
4934 * :[N]sbprevious [N] split and to previous buffer
4935 */
4936 static void
4937 ex_bprevious(eap)
4938 exarg_T *eap;
4939 {
4940 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4941 }
4942
4943 /*
4944 * :brewind to first buffer
4945 * :bfirst to first buffer
4946 * :sbrewind split and to first buffer
4947 * :sbfirst split and to first buffer
4948 */
4949 static void
4950 ex_brewind(eap)
4951 exarg_T *eap;
4952 {
4953 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4954 }
4955
4956 /*
4957 * :blast to last buffer
4958 * :sblast split and to last buffer
4959 */
4960 static void
4961 ex_blast(eap)
4962 exarg_T *eap;
4963 {
4964 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4965 }
4966 #endif
4967
4968 int
4969 ends_excmd(c)
4970 int c;
4971 {
4972 return (c == NUL || c == '|' || c == '"' || c == '\n');
4973 }
4974
4975 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4976 || defined(PROTO)
4977 /*
4978 * Return the next command, after the first '|' or '\n'.
4979 * Return NULL if not found.
4980 */
4981 char_u *
4982 find_nextcmd(p)
4983 char_u *p;
4984 {
4985 while (*p != '|' && *p != '\n')
4986 {
4987 if (*p == NUL)
4988 return NULL;
4989 ++p;
4990 }
4991 return (p + 1);
4992 }
4993 #endif
4994
4995 /*
4996 * Check if *p is a separator between Ex commands.
4997 * Return NULL if it isn't, (p + 1) if it is.
4998 */
4999 char_u *
5000 check_nextcmd(p)
5001 char_u *p;
5002 {
5003 p = skipwhite(p);
5004 if (*p == '|' || *p == '\n')
5005 return (p + 1);
5006 else
5007 return NULL;
5008 }
5009
5010 /*
5011 * - if there are more files to edit
5012 * - and this is the last window
5013 * - and forceit not used
5014 * - and not repeated twice on a row
5015 * return FAIL and give error message if 'message' TRUE
5016 * return OK otherwise
5017 */
5018 static int
5019 check_more(message, forceit)
5020 int message; /* when FALSE check only, no messages */
5021 int forceit;
5022 {
5023 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5024
5025 if (!forceit && only_one_window()
5026 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5027 {
5028 if (message)
5029 {
5030 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5031 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5032 {
5033 char_u buff[IOSIZE];
5034
5035 if (n == 1)
5036 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5037 else
5038 vim_snprintf((char *)buff, IOSIZE,
5039 _("%d more files to edit. Quit anyway?"), n);
5040 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5041 return OK;
5042 return FAIL;
5043 }
5044 #endif
5045 if (n == 1)
5046 EMSG(_("E173: 1 more file to edit"));
5047 else
5048 EMSGN(_("E173: %ld more files to edit"), n);
5049 quitmore = 2; /* next try to quit is allowed */
5050 }
5051 return FAIL;
5052 }
5053 return OK;
5054 }
5055
5056 #ifdef FEAT_CMDL_COMPL
5057 /*
5058 * Function given to ExpandGeneric() to obtain the list of command names.
5059 */
5060 /*ARGSUSED*/
5061 char_u *
5062 get_command_name(xp, idx)
5063 expand_T *xp;
5064 int idx;
5065 {
5066 if (idx >= (int)CMD_SIZE)
5067 # ifdef FEAT_USR_CMDS
5068 return get_user_command_name(idx);
5069 # else
5070 return NULL;
5071 # endif
5072 return cmdnames[idx].cmd_name;
5073 }
5074 #endif
5075
5076 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5077 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));
5078 static void uc_list __ARGS((char_u *name, size_t name_len));
5079 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5080 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5081 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));
5082
5083 static int
5084 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5085 char_u *name;
5086 size_t name_len;
5087 char_u *rep;
5088 long argt;
5089 long def;
5090 int flags;
5091 int compl;
5092 char_u *compl_arg;
5093 int force;
5094 {
5095 ucmd_T *cmd = NULL;
5096 char_u *p;
5097 int i;
5098 int cmp = 1;
5099 char_u *rep_buf = NULL;
5100 garray_T *gap;
5101
5102 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5103 if (rep_buf == NULL)
5104 {
5105 /* Can't replace termcodes - try using the string as is */
5106 rep_buf = vim_strsave(rep);
5107
5108 /* Give up if out of memory */
5109 if (rep_buf == NULL)
5110 return FAIL;
5111 }
5112
5113 /* get address of growarray: global or in curbuf */
5114 if (flags & UC_BUFFER)
5115 {
5116 gap = &curbuf->b_ucmds;
5117 if (gap->ga_itemsize == 0)
5118 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5119 }
5120 else
5121 gap = &ucmds;
5122
5123 /* Search for the command in the already defined commands. */
5124 for (i = 0; i < gap->ga_len; ++i)
5125 {
5126 size_t len;
5127
5128 cmd = USER_CMD_GA(gap, i);
5129 len = STRLEN(cmd->uc_name);
5130 cmp = STRNCMP(name, cmd->uc_name, name_len);
5131 if (cmp == 0)
5132 {
5133 if (name_len < len)
5134 cmp = -1;
5135 else if (name_len > len)
5136 cmp = 1;
5137 }
5138
5139 if (cmp == 0)
5140 {
5141 if (!force)
5142 {
5143 EMSG(_("E174: Command already exists: add ! to replace it"));
5144 goto fail;
5145 }
5146
5147 vim_free(cmd->uc_rep);
5148 cmd->uc_rep = NULL;
5149 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5150 vim_free(cmd->uc_compl_arg);
5151 cmd->uc_compl_arg = NULL;
5152 #endif
5153 break;
5154 }
5155
5156 /* Stop as soon as we pass the name to add */
5157 if (cmp < 0)
5158 break;
5159 }
5160
5161 /* Extend the array unless we're replacing an existing command */
5162 if (cmp != 0)
5163 {
5164 if (ga_grow(gap, 1) != OK)
5165 goto fail;
5166 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5167 goto fail;
5168
5169 cmd = USER_CMD_GA(gap, i);
5170 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5171
5172 ++gap->ga_len;
5173
5174 cmd->uc_name = p;
5175 }
5176
5177 cmd->uc_rep = rep_buf;
5178 cmd->uc_argt = argt;
5179 cmd->uc_def = def;
5180 cmd->uc_compl = compl;
5181 #ifdef FEAT_EVAL
5182 cmd->uc_scriptID = current_SID;
5183 # ifdef FEAT_CMDL_COMPL
5184 cmd->uc_compl_arg = compl_arg;
5185 # endif
5186 #endif
5187
5188 return OK;
5189
5190 fail:
5191 vim_free(rep_buf);
5192 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5193 vim_free(compl_arg);
5194 #endif
5195 return FAIL;
5196 }
5197
5198 /*
5199 * List of names for completion for ":command" with the EXPAND_ flag.
5200 * Must be alphabetical for completion.
5201 */
5202 static struct
5203 {
5204 int expand;
5205 char *name;
5206 } command_complete[] =
5207 {
5208 {EXPAND_AUGROUP, "augroup"},
5209 {EXPAND_BUFFERS, "buffer"},
5210 {EXPAND_COMMANDS, "command"},
5211 #if defined(FEAT_CSCOPE)
5212 {EXPAND_CSCOPE, "cscope"},
5213 #endif
5214 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5215 {EXPAND_USER_DEFINED, "custom"},
5216 {EXPAND_USER_LIST, "customlist"},
5217 #endif
5218 {EXPAND_DIRECTORIES, "dir"},
5219 {EXPAND_ENV_VARS, "environment"},
5220 {EXPAND_EVENTS, "event"},
5221 {EXPAND_EXPRESSION, "expression"},
5222 {EXPAND_FILES, "file"},
5223 {EXPAND_FUNCTIONS, "function"},
5224 {EXPAND_HELP, "help"},
5225 {EXPAND_HIGHLIGHT, "highlight"},
5226 {EXPAND_MAPPINGS, "mapping"},
5227 {EXPAND_MENUS, "menu"},
5228 {EXPAND_SETTINGS, "option"},
5229 {EXPAND_SHELLCMD, "shellcmd"},
5230 #if defined(FEAT_SIGNS)
5231 {EXPAND_SIGN, "sign"},
5232 #endif
5233 {EXPAND_TAGS, "tag"},
5234 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5235 {EXPAND_USER_VARS, "var"},
5236 {0, NULL}
5237 };
5238
5239 static void
5240 uc_list(name, name_len)
5241 char_u *name;
5242 size_t name_len;
5243 {
5244 int i, j;
5245 int found = FALSE;
5246 ucmd_T *cmd;
5247 int len;
5248 long a;
5249 garray_T *gap;
5250
5251 gap = &curbuf->b_ucmds;
5252 for (;;)
5253 {
5254 for (i = 0; i < gap->ga_len; ++i)
5255 {
5256 cmd = USER_CMD_GA(gap, i);
5257 a = (long)cmd->uc_argt;
5258
5259 /* Skip commands which don't match the requested prefix */
5260 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5261 continue;
5262
5263 /* Put out the title first time */
5264 if (!found)
5265 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5266 found = TRUE;
5267 msg_putchar('\n');
5268 if (got_int)
5269 break;
5270
5271 /* Special cases */
5272 msg_putchar(a & BANG ? '!' : ' ');
5273 msg_putchar(a & REGSTR ? '"' : ' ');
5274 msg_putchar(gap != &ucmds ? 'b' : ' ');
5275 msg_putchar(' ');
5276
5277 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5278 len = (int)STRLEN(cmd->uc_name) + 4;
5279
5280 do {
5281 msg_putchar(' ');
5282 ++len;
5283 } while (len < 16);
5284
5285 len = 0;
5286
5287 /* Arguments */
5288 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5289 {
5290 case 0: IObuff[len++] = '0'; break;
5291 case (EXTRA): IObuff[len++] = '*'; break;
5292 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5293 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5294 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5295 }
5296
5297 do {
5298 IObuff[len++] = ' ';
5299 } while (len < 5);
5300
5301 /* Range */
5302 if (a & (RANGE|COUNT))
5303 {
5304 if (a & COUNT)
5305 {
5306 /* -count=N */
5307 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5308 len += (int)STRLEN(IObuff + len);
5309 }
5310 else if (a & DFLALL)
5311 IObuff[len++] = '%';
5312 else if (cmd->uc_def >= 0)
5313 {
5314 /* -range=N */
5315 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5316 len += (int)STRLEN(IObuff + len);
5317 }
5318 else
5319 IObuff[len++] = '.';
5320 }
5321
5322 do {
5323 IObuff[len++] = ' ';
5324 } while (len < 11);
5325
5326 /* Completion */
5327 for (j = 0; command_complete[j].expand != 0; ++j)
5328 if (command_complete[j].expand == cmd->uc_compl)
5329 {
5330 STRCPY(IObuff + len, command_complete[j].name);
5331 len += (int)STRLEN(IObuff + len);
5332 break;
5333 }
5334
5335 do {
5336 IObuff[len++] = ' ';
5337 } while (len < 21);
5338
5339 IObuff[len] = '\0';
5340 msg_outtrans(IObuff);
5341
5342 msg_outtrans_special(cmd->uc_rep, FALSE);
5343 #ifdef FEAT_EVAL
5344 if (p_verbose > 0)
5345 last_set_msg(cmd->uc_scriptID);
5346 #endif
5347 out_flush();
5348 ui_breakcheck();
5349 if (got_int)
5350 break;
5351 }
5352 if (gap == &ucmds || i < gap->ga_len)
5353 break;
5354 gap = &ucmds;
5355 }
5356
5357 if (!found)
5358 MSG(_("No user-defined commands found"));
5359 }
5360
5361 static char_u *
5362 uc_fun_cmd()
5363 {
5364 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5365 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5366 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5367 0xb9, 0x7f, 0};
5368 int i;
5369
5370 for (i = 0; fcmd[i]; ++i)
5371 IObuff[i] = fcmd[i] - 0x40;
5372 IObuff[i] = 0;
5373 return IObuff;
5374 }
5375
5376 static int
5377 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5378 char_u *attr;
5379 size_t len;
5380 long *argt;
5381 long *def;
5382 int *flags;
5383 int *compl;
5384 char_u **compl_arg;
5385 {
5386 char_u *p;
5387
5388 if (len == 0)
5389 {
5390 EMSG(_("E175: No attribute specified"));
5391 return FAIL;
5392 }
5393
5394 /* First, try the simple attributes (no arguments) */
5395 if (STRNICMP(attr, "bang", len) == 0)
5396 *argt |= BANG;
5397 else if (STRNICMP(attr, "buffer", len) == 0)
5398 *flags |= UC_BUFFER;
5399 else if (STRNICMP(attr, "register", len) == 0)
5400 *argt |= REGSTR;
5401 else if (STRNICMP(attr, "bar", len) == 0)
5402 *argt |= TRLBAR;
5403 else
5404 {
5405 int i;
5406 char_u *val = NULL;
5407 size_t vallen = 0;
5408 size_t attrlen = len;
5409
5410 /* Look for the attribute name - which is the part before any '=' */
5411 for (i = 0; i < (int)len; ++i)
5412 {
5413 if (attr[i] == '=')
5414 {
5415 val = &attr[i + 1];
5416 vallen = len - i - 1;
5417 attrlen = i;
5418 break;
5419 }
5420 }
5421
5422 if (STRNICMP(attr, "nargs", attrlen) == 0)
5423 {
5424 if (vallen == 1)
5425 {
5426 if (*val == '0')
5427 /* Do nothing - this is the default */;
5428 else if (*val == '1')
5429 *argt |= (EXTRA | NOSPC | NEEDARG);
5430 else if (*val == '*')
5431 *argt |= EXTRA;
5432 else if (*val == '?')
5433 *argt |= (EXTRA | NOSPC);
5434 else if (*val == '+')
5435 *argt |= (EXTRA | NEEDARG);
5436 else
5437 goto wrong_nargs;
5438 }
5439 else
5440 {
5441 wrong_nargs:
5442 EMSG(_("E176: Invalid number of arguments"));
5443 return FAIL;
5444 }
5445 }
5446 else if (STRNICMP(attr, "range", attrlen) == 0)
5447 {
5448 *argt |= RANGE;
5449 if (vallen == 1 && *val == '%')
5450 *argt |= DFLALL;
5451 else if (val != NULL)
5452 {
5453 p = val;
5454 if (*def >= 0)
5455 {
5456 two_count:
5457 EMSG(_("E177: Count cannot be specified twice"));
5458 return FAIL;
5459 }
5460
5461 *def = getdigits(&p);
5462 *argt |= (ZEROR | NOTADR);
5463
5464 if (p != val + vallen || vallen == 0)
5465 {
5466 invalid_count:
5467 EMSG(_("E178: Invalid default value for count"));
5468 return FAIL;
5469 }
5470 }
5471 }
5472 else if (STRNICMP(attr, "count", attrlen) == 0)
5473 {
5474 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5475
5476 if (val != NULL)
5477 {
5478 p = val;
5479 if (*def >= 0)
5480 goto two_count;
5481
5482 *def = getdigits(&p);
5483
5484 if (p != val + vallen)
5485 goto invalid_count;
5486 }
5487
5488 if (*def < 0)
5489 *def = 0;
5490 }
5491 else if (STRNICMP(attr, "complete", attrlen) == 0)
5492 {
5493 if (val == NULL)
5494 {
5495 EMSG(_("E179: argument required for -complete"));
5496 return FAIL;
5497 }
5498
5499 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5500 == FAIL)
5501 return FAIL;
5502 }
5503 else
5504 {
5505 char_u ch = attr[len];
5506 attr[len] = '\0';
5507 EMSG2(_("E181: Invalid attribute: %s"), attr);
5508 attr[len] = ch;
5509 return FAIL;
5510 }
5511 }
5512
5513 return OK;
5514 }
5515
5516 /*
5517 * ":command ..."
5518 */
5519 static void
5520 ex_command(eap)
5521 exarg_T *eap;
5522 {
5523 char_u *name;
5524 char_u *end;
5525 char_u *p;
5526 long argt = 0;
5527 long def = -1;
5528 int flags = 0;
5529 int compl = EXPAND_NOTHING;
5530 char_u *compl_arg = NULL;
5531 int has_attr = (eap->arg[0] == '-');
5532
5533 p = eap->arg;
5534
5535 /* Check for attributes */
5536 while (*p == '-')
5537 {
5538 ++p;
5539 end = skiptowhite(p);
5540 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5541 == FAIL)
5542 return;
5543 p = skipwhite(end);
5544 }
5545
5546 /* Get the name (if any) and skip to the following argument */
5547 name = p;
5548 if (ASCII_ISALPHA(*p))
5549 while (ASCII_ISALNUM(*p))
5550 ++p;
5551 if (!ends_excmd(*p) && !vim_iswhite(*p))
5552 {
5553 EMSG(_("E182: Invalid command name"));
5554 return;
5555 }
5556 end = p;
5557
5558 /* If there is nothing after the name, and no attributes were specified,
5559 * we are listing commands
5560 */
5561 p = skipwhite(end);
5562 if (!has_attr && ends_excmd(*p))
5563 {
5564 uc_list(name, end - name);
5565 }
5566 else if (!ASCII_ISUPPER(*name))
5567 {
5568 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5569 return;
5570 }
5571 else
5572 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5573 eap->forceit);
5574 }
5575
5576 /*
5577 * ":comclear"
5578 * Clear all user commands, global and for current buffer.
5579 */
5580 /*ARGSUSED*/
5581 void
5582 ex_comclear(eap)
5583 exarg_T *eap;
5584 {
5585 uc_clear(&ucmds);
5586 uc_clear(&curbuf->b_ucmds);
5587 }
5588
5589 /*
5590 * Clear all user commands for "gap".
5591 */
5592 void
5593 uc_clear(gap)
5594 garray_T *gap;
5595 {
5596 int i;
5597 ucmd_T *cmd;
5598
5599 for (i = 0; i < gap->ga_len; ++i)
5600 {
5601 cmd = USER_CMD_GA(gap, i);
5602 vim_free(cmd->uc_name);
5603 vim_free(cmd->uc_rep);
5604 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5605 vim_free(cmd->uc_compl_arg);
5606 # endif
5607 }
5608 ga_clear(gap);
5609 }
5610
5611 static void
5612 ex_delcommand(eap)
5613 exarg_T *eap;
5614 {
5615 int i = 0;
5616 ucmd_T *cmd = NULL;
5617 int cmp = -1;
5618 garray_T *gap;
5619
5620 gap = &curbuf->b_ucmds;
5621 for (;;)
5622 {
5623 for (i = 0; i < gap->ga_len; ++i)
5624 {
5625 cmd = USER_CMD_GA(gap, i);
5626 cmp = STRCMP(eap->arg, cmd->uc_name);
5627 if (cmp <= 0)
5628 break;
5629 }
5630 if (gap == &ucmds || cmp == 0)
5631 break;
5632 gap = &ucmds;
5633 }
5634
5635 if (cmp != 0)
5636 {
5637 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5638 return;
5639 }
5640
5641 vim_free(cmd->uc_name);
5642 vim_free(cmd->uc_rep);
5643 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5644 vim_free(cmd->uc_compl_arg);
5645 # endif
5646
5647 --gap->ga_len;
5648
5649 if (i < gap->ga_len)
5650 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5651 }
5652
5653 /*
5654 * split and quote args for <f-args>
5655 */
5656 static char_u *
5657 uc_split_args(arg, lenp)
5658 char_u *arg;
5659 size_t *lenp;
5660 {
5661 char_u *buf;
5662 char_u *p;
5663 char_u *q;
5664 int len;
5665
5666 /* Precalculate length */
5667 p = arg;
5668 len = 2; /* Initial and final quotes */
5669
5670 while (*p)
5671 {
5672 if (p[0] == '\\' && p[1] == '\\')
5673 {
5674 len += 2;
5675 p += 2;
5676 }
5677 else if (p[0] == '\\' && vim_iswhite(p[1]))
5678 {
5679 len += 1;
5680 p += 2;
5681 }
5682 else if (*p == '\\' || *p == '"')
5683 {
5684 len += 2;
5685 p += 1;
5686 }
5687 else if (vim_iswhite(*p))
5688 {
5689 p = skipwhite(p);
5690 if (*p == NUL)
5691 break;
5692 len += 3; /* "," */
5693 }
5694 else
5695 {
5696 ++len;
5697 ++p;
5698 }
5699 }
5700
5701 buf = alloc(len + 1);
5702 if (buf == NULL)
5703 {
5704 *lenp = 0;
5705 return buf;
5706 }
5707
5708 p = arg;
5709 q = buf;
5710 *q++ = '"';
5711 while (*p)
5712 {
5713 if (p[0] == '\\' && p[1] == '\\')
5714 {
5715 *q++ = '\\';
5716 *q++ = '\\';
5717 p += 2;
5718 }
5719 else if (p[0] == '\\' && vim_iswhite(p[1]))
5720 {
5721 *q++ = p[1];
5722 p += 2;
5723 }
5724 else if (*p == '\\' || *p == '"')
5725 {
5726 *q++ = '\\';
5727 *q++ = *p++;
5728 }
5729 else if (vim_iswhite(*p))
5730 {
5731 p = skipwhite(p);
5732 if (*p == NUL)
5733 break;
5734 *q++ = '"';
5735 *q++ = ',';
5736 *q++ = '"';
5737 }
5738 else
5739 {
5740 *q++ = *p++;
5741 }
5742 }
5743 *q++ = '"';
5744 *q = 0;
5745
5746 *lenp = len;
5747 return buf;
5748 }
5749
5750 /*
5751 * Check for a <> code in a user command.
5752 * "code" points to the '<'. "len" the length of the <> (inclusive).
5753 * "buf" is where the result is to be added.
5754 * "split_buf" points to a buffer used for splitting, caller should free it.
5755 * "split_len" is the length of what "split_buf" contains.
5756 * Returns the length of the replacement, which has been added to "buf".
5757 * Returns -1 if there was no match, and only the "<" has been copied.
5758 */
5759 static size_t
5760 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5761 char_u *code;
5762 size_t len;
5763 char_u *buf;
5764 ucmd_T *cmd; /* the user command we're expanding */
5765 exarg_T *eap; /* ex arguments */
5766 char_u **split_buf;
5767 size_t *split_len;
5768 {
5769 size_t result = 0;
5770 char_u *p = code + 1;
5771 size_t l = len - 2;
5772 int quote = 0;
5773 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5774 ct_LT, ct_NONE } type = ct_NONE;
5775
5776 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5777 {
5778 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5779 p += 2;
5780 l -= 2;
5781 }
5782
5783 ++l;
5784 if (l <= 1)
5785 type = ct_NONE;
5786 else if (STRNICMP(p, "args>", l) == 0)
5787 type = ct_ARGS;
5788 else if (STRNICMP(p, "bang>", l) == 0)
5789 type = ct_BANG;
5790 else if (STRNICMP(p, "count>", l) == 0)
5791 type = ct_COUNT;
5792 else if (STRNICMP(p, "line1>", l) == 0)
5793 type = ct_LINE1;
5794 else if (STRNICMP(p, "line2>", l) == 0)
5795 type = ct_LINE2;
5796 else if (STRNICMP(p, "lt>", l) == 0)
5797 type = ct_LT;
5798 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5799 type = ct_REGISTER;
5800
5801 switch (type)
5802 {
5803 case ct_ARGS:
5804 /* Simple case first */
5805 if (*eap->arg == NUL)
5806 {
5807 if (quote == 1)
5808 {
5809 result = 2;
5810 if (buf != NULL)
5811 STRCPY(buf, "''");
5812 }
5813 else
5814 result = 0;
5815 break;
5816 }
5817
5818 /* When specified there is a single argument don't split it.
5819 * Works for ":Cmd %" when % is "a b c". */
5820 if ((eap->argt & NOSPC) && quote == 2)
5821 quote = 1;
5822
5823 switch (quote)
5824 {
5825 case 0: /* No quoting, no splitting */
5826 result = STRLEN(eap->arg);
5827 if (buf != NULL)
5828 STRCPY(buf, eap->arg);
5829 break;
5830 case 1: /* Quote, but don't split */
5831 result = STRLEN(eap->arg) + 2;
5832 for (p = eap->arg; *p; ++p)
5833 {
5834 if (*p == '\\' || *p == '"')
5835 ++result;
5836 }
5837
5838 if (buf != NULL)
5839 {
5840 *buf++ = '"';
5841 for (p = eap->arg; *p; ++p)
5842 {
5843 if (*p == '\\' || *p == '"')
5844 *buf++ = '\\';
5845 *buf++ = *p;
5846 }
5847 *buf = '"';
5848 }
5849
5850 break;
5851 case 2: /* Quote and split (<f-args>) */
5852 /* This is hard, so only do it once, and cache the result */
5853 if (*split_buf == NULL)
5854 *split_buf = uc_split_args(eap->arg, split_len);
5855
5856 result = *split_len;
5857 if (buf != NULL && result != 0)
5858 STRCPY(buf, *split_buf);
5859
5860 break;
5861 }
5862 break;
5863
5864 case ct_BANG:
5865 result = eap->forceit ? 1 : 0;
5866 if (quote)
5867 result += 2;
5868 if (buf != NULL)
5869 {
5870 if (quote)
5871 *buf++ = '"';
5872 if (eap->forceit)
5873 *buf++ = '!';
5874 if (quote)
5875 *buf = '"';
5876 }
5877 break;
5878
5879 case ct_LINE1:
5880 case ct_LINE2:
5881 case ct_COUNT:
5882 {
5883 char num_buf[20];
5884 long num = (type == ct_LINE1) ? eap->line1 :
5885 (type == ct_LINE2) ? eap->line2 :
5886 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5887 size_t num_len;
5888
5889 sprintf(num_buf, "%ld", num);
5890 num_len = STRLEN(num_buf);
5891 result = num_len;
5892
5893 if (quote)
5894 result += 2;
5895
5896 if (buf != NULL)
5897 {
5898 if (quote)
5899 *buf++ = '"';
5900 STRCPY(buf, num_buf);
5901 buf += num_len;
5902 if (quote)
5903 *buf = '"';
5904 }
5905
5906 break;
5907 }
5908
5909 case ct_REGISTER:
5910 result = eap->regname ? 1 : 0;
5911 if (quote)
5912 result += 2;
5913 if (buf != NULL)
5914 {
5915 if (quote)
5916 *buf++ = '\'';
5917 if (eap->regname)
5918 *buf++ = eap->regname;
5919 if (quote)
5920 *buf = '\'';
5921 }
5922 break;
5923
5924 case ct_LT:
5925 result = 1;
5926 if (buf != NULL)
5927 *buf = '<';
5928 break;
5929
5930 default:
5931 /* Not recognized: just copy the '<' and return -1. */
5932 result = (size_t)-1;
5933 if (buf != NULL)
5934 *buf = '<';
5935 break;
5936 }
5937
5938 return result;
5939 }
5940
5941 static void
5942 do_ucmd(eap)
5943 exarg_T *eap;
5944 {
5945 char_u *buf;
5946 char_u *p;
5947 char_u *q;
5948
5949 char_u *start;
5950 char_u *end = NULL;
5951 char_u *ksp;
5952 size_t len, totlen;
5953
5954 size_t split_len = 0;
5955 char_u *split_buf = NULL;
5956 ucmd_T *cmd;
5957 #ifdef FEAT_EVAL
5958 scid_T save_current_SID = current_SID;
5959 #endif
5960
5961 if (eap->cmdidx == CMD_USER)
5962 cmd = USER_CMD(eap->useridx);
5963 else
5964 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5965
5966 /*
5967 * Replace <> in the command by the arguments.
5968 * First round: "buf" is NULL, compute length, allocate "buf".
5969 * Second round: copy result into "buf".
5970 */
5971 buf = NULL;
5972 for (;;)
5973 {
5974 p = cmd->uc_rep; /* source */
5975 q = buf; /* destination */
5976 totlen = 0;
5977
5978 for (;;)
5979 {
5980 start = vim_strchr(p, '<');
5981 if (start != NULL)
5982 end = vim_strchr(start + 1, '>');
5983 if (buf != NULL)
5984 {
5985 ksp = vim_strchr(p, K_SPECIAL);
5986 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5987 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5988 # ifdef FEAT_GUI
5989 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5990 # endif
5991 ))
5992 {
5993 /* K_SPECIAL han been put in the buffer as K_SPECIAL
5994 * KS_SPECIAL KE_FILLER, like for mappings, but
5995 * do_cmdline() doesn't handle that, so convert it back.
5996 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
5997 len = ksp - p;
5998 if (len > 0)
5999 {
6000 mch_memmove(q, p, len);
6001 q += len;
6002 }
6003 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6004 p = ksp + 3;
6005 continue;
6006 }
6007 }
6008
6009 /* break if there no <item> is found */
6010 if (start == NULL || end == NULL)
6011 break;
6012
6013 /* Include the '>' */
6014 ++end;
6015
6016 /* Take everything up to the '<' */
6017 len = start - p;
6018 if (buf == NULL)
6019 totlen += len;
6020 else
6021 {
6022 mch_memmove(q, p, len);
6023 q += len;
6024 }
6025
6026 len = uc_check_code(start, end - start, q, cmd, eap,
6027 &split_buf, &split_len);
6028 if (len == (size_t)-1)
6029 {
6030 /* no match, continue after '<' */
6031 p = start + 1;
6032 len = 1;
6033 }
6034 else
6035 p = end;
6036 if (buf == NULL)
6037 totlen += len;
6038 else
6039 q += len;
6040 }
6041 if (buf != NULL) /* second time here, finished */
6042 {
6043 STRCPY(q, p);
6044 break;
6045 }
6046
6047 totlen += STRLEN(p); /* Add on the trailing characters */
6048 buf = alloc((unsigned)(totlen + 1));
6049 if (buf == NULL)
6050 {
6051 vim_free(split_buf);
6052 return;
6053 }
6054 }
6055
6056 #ifdef FEAT_EVAL
6057 current_SID = cmd->uc_scriptID;
6058 #endif
6059 (void)do_cmdline(buf, eap->getline, eap->cookie,
6060 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6061 #ifdef FEAT_EVAL
6062 current_SID = save_current_SID;
6063 #endif
6064 vim_free(buf);
6065 vim_free(split_buf);
6066 }
6067
6068 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6069 static char_u *
6070 get_user_command_name(idx)
6071 int idx;
6072 {
6073 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6074 }
6075
6076 /*
6077 * Function given to ExpandGeneric() to obtain the list of user command names.
6078 */
6079 /*ARGSUSED*/
6080 char_u *
6081 get_user_commands(xp, idx)
6082 expand_T *xp;
6083 int idx;
6084 {
6085 if (idx < curbuf->b_ucmds.ga_len)
6086 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6087 idx -= curbuf->b_ucmds.ga_len;
6088 if (idx < ucmds.ga_len)
6089 return USER_CMD(idx)->uc_name;
6090 return NULL;
6091 }
6092
6093 /*
6094 * Function given to ExpandGeneric() to obtain the list of user command
6095 * attributes.
6096 */
6097 /*ARGSUSED*/
6098 char_u *
6099 get_user_cmd_flags(xp, idx)
6100 expand_T *xp;
6101 int idx;
6102 {
6103 static char *user_cmd_flags[] =
6104 {"bang", "bar", "buffer", "complete", "count",
6105 "nargs", "range", "register"};
6106
6107 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6108 return NULL;
6109 return (char_u *)user_cmd_flags[idx];
6110 }
6111
6112 /*
6113 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6114 */
6115 /*ARGSUSED*/
6116 char_u *
6117 get_user_cmd_nargs(xp, idx)
6118 expand_T *xp;
6119 int idx;
6120 {
6121 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6122
6123 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6124 return NULL;
6125 return (char_u *)user_cmd_nargs[idx];
6126 }
6127
6128 /*
6129 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6130 */
6131 /*ARGSUSED*/
6132 char_u *
6133 get_user_cmd_complete(xp, idx)
6134 expand_T *xp;
6135 int idx;
6136 {
6137 return (char_u *)command_complete[idx].name;
6138 }
6139 # endif /* FEAT_CMDL_COMPL */
6140
6141 #endif /* FEAT_USR_CMDS */
6142
6143 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6144 /*
6145 * Parse a completion argument "value[vallen]".
6146 * The detected completion goes in "*complp", argument type in "*argt".
6147 * When there is an argument, for function and user defined completion, it's
6148 * copied to allocated memory and stored in "*compl_arg".
6149 * Returns FAIL if something is wrong.
6150 */
6151 int
6152 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6153 char_u *value;
6154 int vallen;
6155 int *complp;
6156 long *argt;
6157 char_u **compl_arg;
6158 {
6159 char_u *arg = NULL;
6160 size_t arglen = 0;
6161 int i;
6162 int valend = vallen;
6163
6164 /* Look for any argument part - which is the part after any ',' */
6165 for (i = 0; i < vallen; ++i)
6166 {
6167 if (value[i] == ',')
6168 {
6169 arg = &value[i + 1];
6170 arglen = vallen - i - 1;
6171 valend = i;
6172 break;
6173 }
6174 }
6175
6176 for (i = 0; command_complete[i].expand != 0; ++i)
6177 {
6178 if ((int)STRLEN(command_complete[i].name) == valend
6179 && STRNCMP(value, command_complete[i].name, valend) == 0)
6180 {
6181 *complp = command_complete[i].expand;
6182 if (command_complete[i].expand == EXPAND_BUFFERS)
6183 *argt |= BUFNAME;
6184 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6185 || command_complete[i].expand == EXPAND_FILES)
6186 *argt |= XFILE;
6187 break;
6188 }
6189 }
6190
6191 if (command_complete[i].expand == 0)
6192 {
6193 EMSG2(_("E180: Invalid complete value: %s"), value);
6194 return FAIL;
6195 }
6196
6197 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6198 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6199 && arg != NULL)
6200 # else
6201 if (arg != NULL)
6202 # endif
6203 {
6204 EMSG(_("E468: Completion argument only allowed for custom completion"));
6205 return FAIL;
6206 }
6207
6208 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6209 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6210 && arg == NULL)
6211 {
6212 EMSG(_("E467: Custom completion requires a function argument"));
6213 return FAIL;
6214 }
6215
6216 if (arg != NULL)
6217 *compl_arg = vim_strnsave(arg, (int)arglen);
6218 # endif
6219 return OK;
6220 }
6221 #endif
6222
6223 static void
6224 ex_colorscheme(eap)
6225 exarg_T *eap;
6226 {
6227 if (load_colors(eap->arg) == FAIL)
6228 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6229 }
6230
6231 static void
6232 ex_highlight(eap)
6233 exarg_T *eap;
6234 {
6235 if (*eap->arg == NUL && eap->cmd[2] == '!')
6236 MSG(_("Greetings, Vim user!"));
6237 do_highlight(eap->arg, eap->forceit, FALSE);
6238 }
6239
6240
6241 /*
6242 * Call this function if we thought we were going to exit, but we won't
6243 * (because of an error). May need to restore the terminal mode.
6244 */
6245 void
6246 not_exiting()
6247 {
6248 exiting = FALSE;
6249 settmode(TMODE_RAW);
6250 }
6251
6252 /*
6253 * ":quit": quit current window, quit Vim if closed the last window.
6254 */
6255 static void
6256 ex_quit(eap)
6257 exarg_T *eap;
6258 {
6259 #ifdef FEAT_CMDWIN
6260 if (cmdwin_type != 0)
6261 {
6262 cmdwin_result = Ctrl_C;
6263 return;
6264 }
6265 #endif
6266 /* Don't quit while editing the command line. */
6267 if (text_locked())
6268 {
6269 text_locked_msg();
6270 return;
6271 }
6272 #ifdef FEAT_AUTOCMD
6273 if (curbuf_locked())
6274 return;
6275 #endif
6276
6277 #ifdef FEAT_NETBEANS_INTG
6278 netbeansForcedQuit = eap->forceit;
6279 #endif
6280
6281 /*
6282 * If there are more files or windows we won't exit.
6283 */
6284 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6285 exiting = TRUE;
6286 if ((!P_HID(curbuf)
6287 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6288 || check_more(TRUE, eap->forceit) == FAIL
6289 || (only_one_window() && check_changed_any(eap->forceit)))
6290 {
6291 not_exiting();
6292 }
6293 else
6294 {
6295 #ifdef FEAT_WINDOWS
6296 if (only_one_window()) /* quit last window */
6297 #endif
6298 getout(0);
6299 #ifdef FEAT_WINDOWS
6300 # ifdef FEAT_GUI
6301 need_mouse_correct = TRUE;
6302 # endif
6303 /* close window; may free buffer */
6304 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6305 #endif
6306 }
6307 }
6308
6309 /*
6310 * ":cquit".
6311 */
6312 /*ARGSUSED*/
6313 static void
6314 ex_cquit(eap)
6315 exarg_T *eap;
6316 {
6317 getout(1); /* this does not always pass on the exit code to the Manx
6318 compiler. why? */
6319 }
6320
6321 /*
6322 * ":qall": try to quit all windows
6323 */
6324 static void
6325 ex_quit_all(eap)
6326 exarg_T *eap;
6327 {
6328 # ifdef FEAT_CMDWIN
6329 if (cmdwin_type != 0)
6330 {
6331 if (eap->forceit)
6332 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6333 else
6334 cmdwin_result = K_XF2;
6335 return;
6336 }
6337 # endif
6338
6339 /* Don't quit while editing the command line. */
6340 if (text_locked())
6341 {
6342 text_locked_msg();
6343 return;
6344 }
6345 #ifdef FEAT_AUTOCMD
6346 if (curbuf_locked())
6347 return;
6348 #endif
6349
6350 exiting = TRUE;
6351 if (eap->forceit || !check_changed_any(FALSE))
6352 getout(0);
6353 not_exiting();
6354 }
6355
6356 #if defined(FEAT_WINDOWS) || defined(PROTO)
6357 /*
6358 * ":close": close current window, unless it is the last one
6359 */
6360 static void
6361 ex_close(eap)
6362 exarg_T *eap;
6363 {
6364 # ifdef FEAT_CMDWIN
6365 if (cmdwin_type != 0)
6366 cmdwin_result = K_IGNORE;
6367 else
6368 # endif
6369 if (!text_locked()
6370 #ifdef FEAT_AUTOCMD
6371 && !curbuf_locked()
6372 #endif
6373 )
6374 ex_win_close(eap->forceit, curwin, NULL);
6375 }
6376
6377 # ifdef FEAT_QUICKFIX
6378 /*
6379 * ":pclose": Close any preview window.
6380 */
6381 static void
6382 ex_pclose(eap)
6383 exarg_T *eap;
6384 {
6385 win_T *win;
6386
6387 for (win = firstwin; win != NULL; win = win->w_next)
6388 if (win->w_p_pvw)
6389 {
6390 ex_win_close(eap->forceit, win, NULL);
6391 break;
6392 }
6393 }
6394 # endif
6395
6396 /*
6397 * Close window "win" and take care of handling closing the last window for a
6398 * modified buffer.
6399 */
6400 static void
6401 ex_win_close(forceit, win, tp)
6402 int forceit;
6403 win_T *win;
6404 tabpage_T *tp; /* NULL or the tab page "win" is in */
6405 {
6406 int need_hide;
6407 buf_T *buf = win->w_buffer;
6408
6409 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6410 if (need_hide && !P_HID(buf) && !forceit)
6411 {
6412 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6413 if ((p_confirm || cmdmod.confirm) && p_write)
6414 {
6415 dialog_changed(buf, FALSE);
6416 if (buf_valid(buf) && bufIsChanged(buf))
6417 return;
6418 need_hide = FALSE;
6419 }
6420 else
6421 # endif
6422 {
6423 EMSG(_(e_nowrtmsg));
6424 return;
6425 }
6426 }
6427
6428 # ifdef FEAT_GUI
6429 need_mouse_correct = TRUE;
6430 # endif
6431
6432 /* free buffer when not hiding it or when it's a scratch buffer */
6433 if (tp == NULL)
6434 win_close(win, !need_hide && !P_HID(buf));
6435 else
6436 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6437 }
6438
6439 /*
6440 * ":tabclose": close current tab page, unless it is the last one.
6441 * ":tabclose N": close tab page N.
6442 */
6443 static void
6444 ex_tabclose(eap)
6445 exarg_T *eap;
6446 {
6447 tabpage_T *tp;
6448
6449 # ifdef FEAT_CMDWIN
6450 if (cmdwin_type != 0)
6451 cmdwin_result = K_IGNORE;
6452 else
6453 # endif
6454 if (first_tabpage->tp_next == NULL)
6455 EMSG(_("E784: Cannot close last tab page"));
6456 else
6457 {
6458 if (eap->addr_count > 0)
6459 {
6460 tp = find_tabpage((int)eap->line2);
6461 if (tp == NULL)
6462 {
6463 beep_flush();
6464 return;
6465 }
6466 if (tp != curtab)
6467 {
6468 tabpage_close_other(tp, eap->forceit);
6469 return;
6470 }
6471 }
6472 if (!text_locked()
6473 #ifdef FEAT_AUTOCMD
6474 && !curbuf_locked()
6475 #endif
6476 )
6477 tabpage_close(eap->forceit);
6478 }
6479 }
6480
6481 /*
6482 * ":tabonly": close all tab pages except the current one
6483 */
6484 static void
6485 ex_tabonly(eap)
6486 exarg_T *eap;
6487 {
6488 tabpage_T *tp;
6489 int done;
6490
6491 # ifdef FEAT_CMDWIN
6492 if (cmdwin_type != 0)
6493 cmdwin_result = K_IGNORE;
6494 else
6495 # endif
6496 if (first_tabpage->tp_next == NULL)
6497 MSG(_("Already only one tab page"));
6498 else
6499 {
6500 /* Repeat this up to a 1000 times, because autocommands may mess
6501 * up the lists. */
6502 for (done = 0; done < 1000; ++done)
6503 {
6504 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6505 if (tp->tp_topframe != topframe)
6506 {
6507 tabpage_close_other(tp, eap->forceit);
6508 /* if we failed to close it quit */
6509 if (valid_tabpage(tp))
6510 done = 1000;
6511 /* start over, "tp" is now invalid */
6512 break;
6513 }
6514 if (first_tabpage->tp_next == NULL)
6515 break;
6516 }
6517 }
6518 }
6519
6520 /*
6521 * Close the current tab page.
6522 */
6523 void
6524 tabpage_close(forceit)
6525 int forceit;
6526 {
6527 /* First close all the windows but the current one. If that worked then
6528 * close the last window in this tab, that will close it. */
6529 if (lastwin != firstwin)
6530 close_others(TRUE, forceit);
6531 if (lastwin == firstwin)
6532 ex_win_close(forceit, curwin, NULL);
6533 # ifdef FEAT_GUI
6534 need_mouse_correct = TRUE;
6535 # endif
6536 }
6537
6538 /*
6539 * Close tab page "tp", which is not the current tab page.
6540 * Note that autocommands may make "tp" invalid.
6541 * Also takes care of the tab pages line disappearing when closing the
6542 * last-but-one tab page.
6543 */
6544 void
6545 tabpage_close_other(tp, forceit)
6546 tabpage_T *tp;
6547 int forceit;
6548 {
6549 int done = 0;
6550 win_T *wp;
6551 int h = tabline_height();
6552
6553 /* Limit to 1000 windows, autocommands may add a window while we close
6554 * one. OK, so I'm paranoid... */
6555 while (++done < 1000)
6556 {
6557 wp = tp->tp_firstwin;
6558 ex_win_close(forceit, wp, tp);
6559
6560 /* Autocommands may delete the tab page under our fingers and we may
6561 * fail to close a window with a modified buffer. */
6562 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6563 break;
6564 }
6565
6566 redraw_tabline = TRUE;
6567 if (h != tabline_height())
6568 shell_new_rows();
6569 }
6570
6571 /*
6572 * ":only".
6573 */
6574 static void
6575 ex_only(eap)
6576 exarg_T *eap;
6577 {
6578 # ifdef FEAT_GUI
6579 need_mouse_correct = TRUE;
6580 # endif
6581 close_others(TRUE, eap->forceit);
6582 }
6583
6584 /*
6585 * ":all" and ":sall".
6586 * Also used for ":tab drop file ..." after setting the argument list.
6587 */
6588 void
6589 ex_all(eap)
6590 exarg_T *eap;
6591 {
6592 if (eap->addr_count == 0)
6593 eap->line2 = 9999;
6594 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6595 }
6596 #endif /* FEAT_WINDOWS */
6597
6598 static void
6599 ex_hide(eap)
6600 exarg_T *eap;
6601 {
6602 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6603 eap->errmsg = e_invarg;
6604 else
6605 {
6606 /* ":hide" or ":hide | cmd": hide current window */
6607 eap->nextcmd = check_nextcmd(eap->arg);
6608 #ifdef FEAT_WINDOWS
6609 if (!eap->skip)
6610 {
6611 # ifdef FEAT_GUI
6612 need_mouse_correct = TRUE;
6613 # endif
6614 win_close(curwin, FALSE); /* don't free buffer */
6615 }
6616 #endif
6617 }
6618 }
6619
6620 /*
6621 * ":stop" and ":suspend": Suspend Vim.
6622 */
6623 static void
6624 ex_stop(eap)
6625 exarg_T *eap;
6626 {
6627 /*
6628 * Disallow suspending for "rvim".
6629 */
6630 if (!check_restricted()
6631 #ifdef WIN3264
6632 /*
6633 * Check if external commands are allowed now.
6634 */
6635 && can_end_termcap_mode(TRUE)
6636 #endif
6637 )
6638 {
6639 if (!eap->forceit)
6640 autowrite_all();
6641 windgoto((int)Rows - 1, 0);
6642 out_char('\n');
6643 out_flush();
6644 stoptermcap();
6645 out_flush(); /* needed for SUN to restore xterm buffer */
6646 #ifdef FEAT_TITLE
6647 mch_restore_title(3); /* restore window titles */
6648 #endif
6649 ui_suspend(); /* call machine specific function */
6650 #ifdef FEAT_TITLE
6651 maketitle();
6652 resettitle(); /* force updating the title */
6653 #endif
6654 starttermcap();
6655 scroll_start(); /* scroll screen before redrawing */
6656 redraw_later_clear();
6657 shell_resized(); /* may have resized window */
6658 }
6659 }
6660
6661 /*
6662 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6663 */
6664 static void
6665 ex_exit(eap)
6666 exarg_T *eap;
6667 {
6668 #ifdef FEAT_CMDWIN
6669 if (cmdwin_type != 0)
6670 {
6671 cmdwin_result = Ctrl_C;
6672 return;
6673 }
6674 #endif
6675 /* Don't quit while editing the command line. */
6676 if (text_locked())
6677 {
6678 text_locked_msg();
6679 return;
6680 }
6681 #ifdef FEAT_AUTOCMD
6682 if (curbuf_locked())
6683 return;
6684 #endif
6685
6686 /*
6687 * if more files or windows we won't exit
6688 */
6689 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6690 exiting = TRUE;
6691 if ( ((eap->cmdidx == CMD_wq
6692 || curbufIsChanged())
6693 && do_write(eap) == FAIL)
6694 || check_more(TRUE, eap->forceit) == FAIL
6695 || (only_one_window() && check_changed_any(eap->forceit)))
6696 {
6697 not_exiting();
6698 }
6699 else
6700 {
6701 #ifdef FEAT_WINDOWS
6702 if (only_one_window()) /* quit last window, exit Vim */
6703 #endif
6704 getout(0);
6705 #ifdef FEAT_WINDOWS
6706 # ifdef FEAT_GUI
6707 need_mouse_correct = TRUE;
6708 # endif
6709 /* quit current window, may free buffer */
6710 win_close(curwin, !P_HID(curwin->w_buffer));
6711 #endif
6712 }
6713 }
6714
6715 /*
6716 * ":print", ":list", ":number".
6717 */
6718 static void
6719 ex_print(eap)
6720 exarg_T *eap;
6721 {
6722 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6723 EMSG(_(e_emptybuf));
6724 else
6725 {
6726 for ( ;!got_int; ui_breakcheck())
6727 {
6728 print_line(eap->line1,
6729 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6730 || (eap->flags & EXFLAG_NR)),
6731 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6732 if (++eap->line1 > eap->line2)
6733 break;
6734 out_flush(); /* show one line at a time */
6735 }
6736 setpcmark();
6737 /* put cursor at last line */
6738 curwin->w_cursor.lnum = eap->line2;
6739 beginline(BL_SOL | BL_FIX);
6740 }
6741
6742 ex_no_reprint = TRUE;
6743 }
6744
6745 #ifdef FEAT_BYTEOFF
6746 static void
6747 ex_goto(eap)
6748 exarg_T *eap;
6749 {
6750 goto_byte(eap->line2);
6751 }
6752 #endif
6753
6754 /*
6755 * ":shell".
6756 */
6757 /*ARGSUSED*/
6758 static void
6759 ex_shell(eap)
6760 exarg_T *eap;
6761 {
6762 do_shell(NULL, 0);
6763 }
6764
6765 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6766 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6767 || defined(FEAT_GUI_MSWIN) \
6768 || defined(FEAT_GUI_MAC) \
6769 || defined(PROTO)
6770
6771 /*
6772 * Handle a file drop. The code is here because a drop is *nearly* like an
6773 * :args command, but not quite (we have a list of exact filenames, so we
6774 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6775 * code is very similar to :args and hence needs access to a lot of the static
6776 * functions in this file.
6777 *
6778 * The list should be allocated using alloc(), as should each item in the
6779 * list. This function takes over responsibility for freeing the list.
6780 *
6781 * XXX The list is made into the argument list. This is freed using
6782 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6783 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6784 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6785 * file functionality is (currently) not in EMX this is not presently a
6786 * problem.
6787 */
6788 void
6789 handle_drop(filec, filev, split)
6790 int filec; /* the number of files dropped */
6791 char_u **filev; /* the list of files dropped */
6792 int split; /* force splitting the window */
6793 {
6794 exarg_T ea;
6795 int save_msg_scroll = msg_scroll;
6796
6797 /* Postpone this while editing the command line. */
6798 if (text_locked())
6799 return;
6800 #ifdef FEAT_AUTOCMD
6801 if (curbuf_locked())
6802 return;
6803 #endif
6804 /* When the screen is being updated we should not change buffers and
6805 * windows structures, it may cause freed memory to be used. */
6806 if (updating_screen)
6807 return;
6808
6809 /* Check whether the current buffer is changed. If so, we will need
6810 * to split the current window or data could be lost.
6811 * We don't need to check if the 'hidden' option is set, as in this
6812 * case the buffer won't be lost.
6813 */
6814 if (!P_HID(curbuf) && !split)
6815 {
6816 ++emsg_off;
6817 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6818 --emsg_off;
6819 }
6820 if (split)
6821 {
6822 # ifdef FEAT_WINDOWS
6823 if (win_split(0, 0) == FAIL)
6824 return;
6825 # ifdef FEAT_SCROLLBIND
6826 curwin->w_p_scb = FALSE;
6827 # endif
6828
6829 /* When splitting the window, create a new alist. Otherwise the
6830 * existing one is overwritten. */
6831 alist_unlink(curwin->w_alist);
6832 alist_new();
6833 # else
6834 return; /* can't split, always fail */
6835 # endif
6836 }
6837
6838 /*
6839 * Set up the new argument list.
6840 */
6841 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6842
6843 /*
6844 * Move to the first file.
6845 */
6846 /* Fake up a minimal "next" command for do_argfile() */
6847 vim_memset(&ea, 0, sizeof(ea));
6848 ea.cmd = (char_u *)"next";
6849 do_argfile(&ea, 0);
6850
6851 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6852 * mode that is not needed here. */
6853 need_start_insertmode = FALSE;
6854
6855 /* Restore msg_scroll, otherwise a following command may cause scrolling
6856 * unexpectedly. The screen will be redrawn by the caller, thus
6857 * msg_scroll being set by displaying a message is irrelevant. */
6858 msg_scroll = save_msg_scroll;
6859 }
6860 #endif
6861
6862 /*
6863 * Clear an argument list: free all file names and reset it to zero entries.
6864 */
6865 void
6866 alist_clear(al)
6867 alist_T *al;
6868 {
6869 while (--al->al_ga.ga_len >= 0)
6870 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6871 ga_clear(&al->al_ga);
6872 }
6873
6874 /*
6875 * Init an argument list.
6876 */
6877 void
6878 alist_init(al)
6879 alist_T *al;
6880 {
6881 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6882 }
6883
6884 #if defined(FEAT_WINDOWS) || defined(PROTO)
6885
6886 /*
6887 * Remove a reference from an argument list.
6888 * Ignored when the argument list is the global one.
6889 * If the argument list is no longer used by any window, free it.
6890 */
6891 void
6892 alist_unlink(al)
6893 alist_T *al;
6894 {
6895 if (al != &global_alist && --al->al_refcount <= 0)
6896 {
6897 alist_clear(al);
6898 vim_free(al);
6899 }
6900 }
6901
6902 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6903 /*
6904 * Create a new argument list and use it for the current window.
6905 */
6906 void
6907 alist_new()
6908 {
6909 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6910 if (curwin->w_alist == NULL)
6911 {
6912 curwin->w_alist = &global_alist;
6913 ++global_alist.al_refcount;
6914 }
6915 else
6916 {
6917 curwin->w_alist->al_refcount = 1;
6918 alist_init(curwin->w_alist);
6919 }
6920 }
6921 # endif
6922 #endif
6923
6924 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6925 /*
6926 * Expand the file names in the global argument list.
6927 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6928 * numbers to be re-used.
6929 */
6930 void
6931 alist_expand(fnum_list, fnum_len)
6932 int *fnum_list;
6933 int fnum_len;
6934 {
6935 char_u **old_arg_files;
6936 int old_arg_count;
6937 char_u **new_arg_files;
6938 int new_arg_file_count;
6939 char_u *save_p_su = p_su;
6940 int i;
6941
6942 /* Don't use 'suffixes' here. This should work like the shell did the
6943 * expansion. Also, the vimrc file isn't read yet, thus the user
6944 * can't set the options. */
6945 p_su = empty_option;
6946 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6947 if (old_arg_files != NULL)
6948 {
6949 for (i = 0; i < GARGCOUNT; ++i)
6950 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6951 old_arg_count = GARGCOUNT;
6952 if (expand_wildcards(old_arg_count, old_arg_files,
6953 &new_arg_file_count, &new_arg_files,
6954 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6955 && new_arg_file_count > 0)
6956 {
6957 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6958 TRUE, fnum_list, fnum_len);
6959 FreeWild(old_arg_count, old_arg_files);
6960 }
6961 }
6962 p_su = save_p_su;
6963 }
6964 #endif
6965
6966 /*
6967 * Set the argument list for the current window.
6968 * Takes over the allocated files[] and the allocated fnames in it.
6969 */
6970 void
6971 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6972 alist_T *al;
6973 int count;
6974 char_u **files;
6975 int use_curbuf;
6976 int *fnum_list;
6977 int fnum_len;
6978 {
6979 int i;
6980
6981 alist_clear(al);
6982 if (ga_grow(&al->al_ga, count) == OK)
6983 {
6984 for (i = 0; i < count; ++i)
6985 {
6986 if (got_int)
6987 {
6988 /* When adding many buffers this can take a long time. Allow
6989 * interrupting here. */
6990 while (i < count)
6991 vim_free(files[i++]);
6992 break;
6993 }
6994
6995 /* May set buffer name of a buffer previously used for the
6996 * argument list, so that it's re-used by alist_add. */
6997 if (fnum_list != NULL && i < fnum_len)
6998 buf_set_name(fnum_list[i], files[i]);
6999
7000 alist_add(al, files[i], use_curbuf ? 2 : 1);
7001 ui_breakcheck();
7002 }
7003 vim_free(files);
7004 }
7005 else
7006 FreeWild(count, files);
7007 #ifdef FEAT_WINDOWS
7008 if (al == &global_alist)
7009 #endif
7010 arg_had_last = FALSE;
7011 }
7012
7013 /*
7014 * Add file "fname" to argument list "al".
7015 * "fname" must have been allocated and "al" must have been checked for room.
7016 */
7017 void
7018 alist_add(al, fname, set_fnum)
7019 alist_T *al;
7020 char_u *fname;
7021 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7022 {
7023 if (fname == NULL) /* don't add NULL file names */
7024 return;
7025 #ifdef BACKSLASH_IN_FILENAME
7026 slash_adjust(fname);
7027 #endif
7028 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7029 if (set_fnum > 0)
7030 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7031 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7032 ++al->al_ga.ga_len;
7033 }
7034
7035 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7036 /*
7037 * Adjust slashes in file names. Called after 'shellslash' was set.
7038 */
7039 void
7040 alist_slash_adjust()
7041 {
7042 int i;
7043 # ifdef FEAT_WINDOWS
7044 win_T *wp;
7045 tabpage_T *tp;
7046 # endif
7047
7048 for (i = 0; i < GARGCOUNT; ++i)
7049 if (GARGLIST[i].ae_fname != NULL)
7050 slash_adjust(GARGLIST[i].ae_fname);
7051 # ifdef FEAT_WINDOWS
7052 FOR_ALL_TAB_WINDOWS(tp, wp)
7053 if (wp->w_alist != &global_alist)
7054 for (i = 0; i < WARGCOUNT(wp); ++i)
7055 if (WARGLIST(wp)[i].ae_fname != NULL)
7056 slash_adjust(WARGLIST(wp)[i].ae_fname);
7057 # endif
7058 }
7059 #endif
7060
7061 /*
7062 * ":preserve".
7063 */
7064 /*ARGSUSED*/
7065 static void
7066 ex_preserve(eap)
7067 exarg_T *eap;
7068 {
7069 curbuf->b_flags |= BF_PRESERVED;
7070 ml_preserve(curbuf, TRUE);
7071 }
7072
7073 /*
7074 * ":recover".
7075 */
7076 static void
7077 ex_recover(eap)
7078 exarg_T *eap;
7079 {
7080 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7081 recoverymode = TRUE;
7082 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7083 && (*eap->arg == NUL
7084 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7085 ml_recover();
7086 recoverymode = FALSE;
7087 }
7088
7089 /*
7090 * Command modifier used in a wrong way.
7091 */
7092 static void
7093 ex_wrongmodifier(eap)
7094 exarg_T *eap;
7095 {
7096 eap->errmsg = e_invcmd;
7097 }
7098
7099 #ifdef FEAT_WINDOWS
7100 /*
7101 * :sview [+command] file split window with new file, read-only
7102 * :split [[+command] file] split window with current or new file
7103 * :vsplit [[+command] file] split window vertically with current or new file
7104 * :new [[+command] file] split window with no or new file
7105 * :vnew [[+command] file] split vertically window with no or new file
7106 * :sfind [+command] file split window with file in 'path'
7107 *
7108 * :tabedit open new Tab page with empty window
7109 * :tabedit [+command] file open new Tab page and edit "file"
7110 * :tabnew [[+command] file] just like :tabedit
7111 * :tabfind [+command] file open new Tab page and find "file"
7112 */
7113 void
7114 ex_splitview(eap)
7115 exarg_T *eap;
7116 {
7117 win_T *old_curwin = curwin;
7118 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7119 char_u *fname = NULL;
7120 # endif
7121 # ifdef FEAT_BROWSE
7122 int browse_flag = cmdmod.browse;
7123 # endif
7124
7125 # ifndef FEAT_VERTSPLIT
7126 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7127 {
7128 ex_ni(eap);
7129 return;
7130 }
7131 # endif
7132
7133 # ifdef FEAT_GUI
7134 need_mouse_correct = TRUE;
7135 # endif
7136
7137 # ifdef FEAT_QUICKFIX
7138 /* A ":split" in the quickfix window works like ":new". Don't want two
7139 * quickfix windows. But it's OK when doing ":tab split". */
7140 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7141 {
7142 if (eap->cmdidx == CMD_split)
7143 eap->cmdidx = CMD_new;
7144 # ifdef FEAT_VERTSPLIT
7145 if (eap->cmdidx == CMD_vsplit)
7146 eap->cmdidx = CMD_vnew;
7147 # endif
7148 }
7149 # endif
7150
7151 # ifdef FEAT_SEARCHPATH
7152 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7153 {
7154 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7155 FNAME_MESS, TRUE, curbuf->b_ffname);
7156 if (fname == NULL)
7157 goto theend;
7158 eap->arg = fname;
7159 }
7160 # ifdef FEAT_BROWSE
7161 else
7162 # endif
7163 # endif
7164 # ifdef FEAT_BROWSE
7165 if (cmdmod.browse
7166 # ifdef FEAT_VERTSPLIT
7167 && eap->cmdidx != CMD_vnew
7168 # endif
7169 && eap->cmdidx != CMD_new)
7170 {
7171 # ifdef FEAT_AUTOCMD
7172 if (
7173 # ifdef FEAT_GUI
7174 !gui.in_use &&
7175 # endif
7176 au_has_group((char_u *)"FileExplorer"))
7177 {
7178 /* No browsing supported but we do have the file explorer:
7179 * Edit the directory. */
7180 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7181 eap->arg = (char_u *)".";
7182 }
7183 else
7184 # endif
7185 {
7186 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7187 eap->arg, NULL, NULL, NULL, curbuf);
7188 if (fname == NULL)
7189 goto theend;
7190 eap->arg = fname;
7191 }
7192 }
7193 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7194 # endif
7195
7196 /*
7197 * Either open new tab page or split the window.
7198 */
7199 if (eap->cmdidx == CMD_tabedit
7200 || eap->cmdidx == CMD_tabfind
7201 || eap->cmdidx == CMD_tabnew)
7202 {
7203 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7204 : eap->addr_count == 0 ? 0
7205 : (int)eap->line2 + 1) != FAIL)
7206 {
7207 do_exedit(eap, old_curwin);
7208
7209 /* set the alternate buffer for the window we came from */
7210 if (curwin != old_curwin
7211 && win_valid(old_curwin)
7212 && old_curwin->w_buffer != curbuf
7213 && !cmdmod.keepalt)
7214 old_curwin->w_alt_fnum = curbuf->b_fnum;
7215 }
7216 }
7217 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7218 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7219 {
7220 # ifdef FEAT_SCROLLBIND
7221 /* Reset 'scrollbind' when editing another file, but keep it when
7222 * doing ":split" without arguments. */
7223 if (*eap->arg != NUL
7224 # ifdef FEAT_BROWSE
7225 || cmdmod.browse
7226 # endif
7227 )
7228 curwin->w_p_scb = FALSE;
7229 else
7230 do_check_scrollbind(FALSE);
7231 # endif
7232 do_exedit(eap, old_curwin);
7233 }
7234
7235 # ifdef FEAT_BROWSE
7236 cmdmod.browse = browse_flag;
7237 # endif
7238
7239 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7240 theend:
7241 vim_free(fname);
7242 # endif
7243 }
7244
7245 /*
7246 * Open a new tab page.
7247 */
7248 void
7249 tabpage_new()
7250 {
7251 exarg_T ea;
7252
7253 vim_memset(&ea, 0, sizeof(ea));
7254 ea.cmdidx = CMD_tabnew;
7255 ea.cmd = (char_u *)"tabn";
7256 ea.arg = (char_u *)"";
7257 ex_splitview(&ea);
7258 }
7259
7260 /*
7261 * :tabnext command
7262 */
7263 static void
7264 ex_tabnext(eap)
7265 exarg_T *eap;
7266 {
7267 switch (eap->cmdidx)
7268 {
7269 case CMD_tabfirst:
7270 case CMD_tabrewind:
7271 goto_tabpage(1);
7272 break;
7273 case CMD_tablast:
7274 goto_tabpage(9999);
7275 break;
7276 case CMD_tabprevious:
7277 case CMD_tabNext:
7278 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7279 break;
7280 default: /* CMD_tabnext */
7281 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7282 break;
7283 }
7284 }
7285
7286 /*
7287 * :tabmove command
7288 */
7289 static void
7290 ex_tabmove(eap)
7291 exarg_T *eap;
7292 {
7293 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7294 }
7295
7296 /*
7297 * :tabs command: List tabs and their contents.
7298 */
7299 /*ARGSUSED*/
7300 static void
7301 ex_tabs(eap)
7302 exarg_T *eap;
7303 {
7304 tabpage_T *tp;
7305 win_T *wp;
7306 int tabcount = 1;
7307
7308 msg_start();
7309 msg_scroll = TRUE;
7310 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7311 {
7312 msg_putchar('\n');
7313 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7314 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7315 out_flush(); /* output one line at a time */
7316 ui_breakcheck();
7317
7318 if (tp == curtab)
7319 wp = firstwin;
7320 else
7321 wp = tp->tp_firstwin;
7322 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7323 {
7324 msg_putchar('\n');
7325 msg_putchar(wp == curwin ? '>' : ' ');
7326 msg_putchar(' ');
7327 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7328 msg_putchar(' ');
7329 if (buf_spname(wp->w_buffer) != NULL)
7330 STRCPY(IObuff, buf_spname(wp->w_buffer));
7331 else
7332 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7333 IObuff, IOSIZE, TRUE);
7334 msg_outtrans(IObuff);
7335 out_flush(); /* output one line at a time */
7336 ui_breakcheck();
7337 }
7338 }
7339 }
7340
7341 #endif /* FEAT_WINDOWS */
7342
7343 /*
7344 * ":mode": Set screen mode.
7345 * If no argument given, just get the screen size and redraw.
7346 */
7347 static void
7348 ex_mode(eap)
7349 exarg_T *eap;
7350 {
7351 if (*eap->arg == NUL)
7352 shell_resized();
7353 else
7354 mch_screenmode(eap->arg);
7355 }
7356
7357 #ifdef FEAT_WINDOWS
7358 /*
7359 * ":resize".
7360 * set, increment or decrement current window height
7361 */
7362 static void
7363 ex_resize(eap)
7364 exarg_T *eap;
7365 {
7366 int n;
7367 win_T *wp = curwin;
7368
7369 if (eap->addr_count > 0)
7370 {
7371 n = eap->line2;
7372 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7373 ;
7374 }
7375
7376 #ifdef FEAT_GUI
7377 need_mouse_correct = TRUE;
7378 #endif
7379 n = atol((char *)eap->arg);
7380 #ifdef FEAT_VERTSPLIT
7381 if (cmdmod.split & WSP_VERT)
7382 {
7383 if (*eap->arg == '-' || *eap->arg == '+')
7384 n += W_WIDTH(curwin);
7385 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7386 n = 9999;
7387 win_setwidth_win((int)n, wp);
7388 }
7389 else
7390 #endif
7391 {
7392 if (*eap->arg == '-' || *eap->arg == '+')
7393 n += curwin->w_height;
7394 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7395 n = 9999;
7396 win_setheight_win((int)n, wp);
7397 }
7398 }
7399 #endif
7400
7401 /*
7402 * ":find [+command] <file>" command.
7403 */
7404 static void
7405 ex_find(eap)
7406 exarg_T *eap;
7407 {
7408 #ifdef FEAT_SEARCHPATH
7409 char_u *fname;
7410 int count;
7411
7412 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7413 TRUE, curbuf->b_ffname);
7414 if (eap->addr_count > 0)
7415 {
7416 /* Repeat finding the file "count" times. This matters when it
7417 * appears several times in the path. */
7418 count = eap->line2;
7419 while (fname != NULL && --count > 0)
7420 {
7421 vim_free(fname);
7422 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7423 FALSE, curbuf->b_ffname);
7424 }
7425 }
7426
7427 if (fname != NULL)
7428 {
7429 eap->arg = fname;
7430 #endif
7431 do_exedit(eap, NULL);
7432 #ifdef FEAT_SEARCHPATH
7433 vim_free(fname);
7434 }
7435 #endif
7436 }
7437
7438 /*
7439 * ":open" simulation: for now just work like ":visual".
7440 */
7441 static void
7442 ex_open(eap)
7443 exarg_T *eap;
7444 {
7445 regmatch_T regmatch;
7446 char_u *p;
7447
7448 curwin->w_cursor.lnum = eap->line2;
7449 beginline(BL_SOL | BL_FIX);
7450 if (*eap->arg == '/')
7451 {
7452 /* ":open /pattern/": put cursor in column found with pattern */
7453 ++eap->arg;
7454 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7455 *p = NUL;
7456 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7457 if (regmatch.regprog != NULL)
7458 {
7459 regmatch.rm_ic = p_ic;
7460 p = ml_get_curline();
7461 if (vim_regexec(&regmatch, p, (colnr_T)0))
7462 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7463 else
7464 EMSG(_(e_nomatch));
7465 vim_free(regmatch.regprog);
7466 }
7467 /* Move to the NUL, ignore any other arguments. */
7468 eap->arg += STRLEN(eap->arg);
7469 }
7470 check_cursor();
7471
7472 eap->cmdidx = CMD_visual;
7473 do_exedit(eap, NULL);
7474 }
7475
7476 /*
7477 * ":edit", ":badd", ":visual".
7478 */
7479 static void
7480 ex_edit(eap)
7481 exarg_T *eap;
7482 {
7483 do_exedit(eap, NULL);
7484 }
7485
7486 /*
7487 * ":edit <file>" command and alikes.
7488 */
7489 /*ARGSUSED*/
7490 void
7491 do_exedit(eap, old_curwin)
7492 exarg_T *eap;
7493 win_T *old_curwin; /* curwin before doing a split or NULL */
7494 {
7495 int n;
7496 #ifdef FEAT_WINDOWS
7497 int need_hide;
7498 #endif
7499 int exmode_was = exmode_active;
7500
7501 /*
7502 * ":vi" command ends Ex mode.
7503 */
7504 if (exmode_active && (eap->cmdidx == CMD_visual
7505 || eap->cmdidx == CMD_view))
7506 {
7507 exmode_active = FALSE;
7508 if (*eap->arg == NUL)
7509 {
7510 /* Special case: ":global/pat/visual\NLvi-commands" */
7511 if (global_busy)
7512 {
7513 int rd = RedrawingDisabled;
7514 int nwr = no_wait_return;
7515 int ms = msg_scroll;
7516 #ifdef FEAT_GUI
7517 int he = hold_gui_events;
7518 #endif
7519
7520 if (eap->nextcmd != NULL)
7521 {
7522 stuffReadbuff(eap->nextcmd);
7523 eap->nextcmd = NULL;
7524 }
7525
7526 if (exmode_was != EXMODE_VIM)
7527 settmode(TMODE_RAW);
7528 RedrawingDisabled = 0;
7529 no_wait_return = 0;
7530 need_wait_return = FALSE;
7531 msg_scroll = 0;
7532 #ifdef FEAT_GUI
7533 hold_gui_events = 0;
7534 #endif
7535 must_redraw = CLEAR;
7536
7537 main_loop(FALSE, TRUE);
7538
7539 RedrawingDisabled = rd;
7540 no_wait_return = nwr;
7541 msg_scroll = ms;
7542 #ifdef FEAT_GUI
7543 hold_gui_events = he;
7544 #endif
7545 }
7546 return;
7547 }
7548 }
7549
7550 if ((eap->cmdidx == CMD_new
7551 || eap->cmdidx == CMD_tabnew
7552 || eap->cmdidx == CMD_tabedit
7553 #ifdef FEAT_VERTSPLIT
7554 || eap->cmdidx == CMD_vnew
7555 #endif
7556 ) && *eap->arg == NUL)
7557 {
7558 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7559 setpcmark();
7560 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7561 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7562 old_curwin == NULL ? curwin : NULL);
7563 }
7564 else if ((eap->cmdidx != CMD_split
7565 #ifdef FEAT_VERTSPLIT
7566 && eap->cmdidx != CMD_vsplit
7567 #endif
7568 )
7569 || *eap->arg != NUL
7570 #ifdef FEAT_BROWSE
7571 || cmdmod.browse
7572 #endif
7573 )
7574 {
7575 #ifdef FEAT_AUTOCMD
7576 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7577 * can bring us here, others are stopped earlier. */
7578 if (*eap->arg != NUL && curbuf_locked())
7579 return;
7580 #endif
7581 n = readonlymode;
7582 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7583 readonlymode = TRUE;
7584 else if (eap->cmdidx == CMD_enew)
7585 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7586 empty buffer */
7587 setpcmark();
7588 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7589 NULL, eap,
7590 /* ":edit" goes to first line if Vi compatible */
7591 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7592 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7593 ? ECMD_ONE : eap->do_ecmd_lnum,
7594 (P_HID(curbuf) ? ECMD_HIDE : 0)
7595 + (eap->forceit ? ECMD_FORCEIT : 0)
7596 #ifdef FEAT_LISTCMDS
7597 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7598 #endif
7599 , old_curwin == NULL ? curwin : NULL) == FAIL)
7600 {
7601 /* Editing the file failed. If the window was split, close it. */
7602 #ifdef FEAT_WINDOWS
7603 if (old_curwin != NULL)
7604 {
7605 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7606 if (!need_hide || P_HID(curbuf))
7607 {
7608 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7609 cleanup_T cs;
7610
7611 /* Reset the error/interrupt/exception state here so that
7612 * aborting() returns FALSE when closing a window. */
7613 enter_cleanup(&cs);
7614 # endif
7615 # ifdef FEAT_GUI
7616 need_mouse_correct = TRUE;
7617 # endif
7618 win_close(curwin, !need_hide && !P_HID(curbuf));
7619
7620 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7621 /* Restore the error/interrupt/exception state if not
7622 * discarded by a new aborting error, interrupt, or
7623 * uncaught exception. */
7624 leave_cleanup(&cs);
7625 # endif
7626 }
7627 }
7628 #endif
7629 }
7630 else if (readonlymode && curbuf->b_nwindows == 1)
7631 {
7632 /* When editing an already visited buffer, 'readonly' won't be set
7633 * but the previous value is kept. With ":view" and ":sview" we
7634 * want the file to be readonly, except when another window is
7635 * editing the same buffer. */
7636 curbuf->b_p_ro = TRUE;
7637 }
7638 readonlymode = n;
7639 }
7640 else
7641 {
7642 if (eap->do_ecmd_cmd != NULL)
7643 do_cmdline_cmd(eap->do_ecmd_cmd);
7644 #ifdef FEAT_TITLE
7645 n = curwin->w_arg_idx_invalid;
7646 #endif
7647 check_arg_idx(curwin);
7648 #ifdef FEAT_TITLE
7649 if (n != curwin->w_arg_idx_invalid)
7650 maketitle();
7651 #endif
7652 }
7653
7654 #ifdef FEAT_WINDOWS
7655 /*
7656 * if ":split file" worked, set alternate file name in old window to new
7657 * file
7658 */
7659 if (old_curwin != NULL
7660 && *eap->arg != NUL
7661 && curwin != old_curwin
7662 && win_valid(old_curwin)
7663 && old_curwin->w_buffer != curbuf
7664 && !cmdmod.keepalt)
7665 old_curwin->w_alt_fnum = curbuf->b_fnum;
7666 #endif
7667
7668 ex_no_reprint = TRUE;
7669 }
7670
7671 #ifndef FEAT_GUI
7672 /*
7673 * ":gui" and ":gvim" when there is no GUI.
7674 */
7675 static void
7676 ex_nogui(eap)
7677 exarg_T *eap;
7678 {
7679 eap->errmsg = e_nogvim;
7680 }
7681 #endif
7682
7683 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7684 static void
7685 ex_tearoff(eap)
7686 exarg_T *eap;
7687 {
7688 gui_make_tearoff(eap->arg);
7689 }
7690 #endif
7691
7692 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7693 static void
7694 ex_popup(eap)
7695 exarg_T *eap;
7696 {
7697 gui_make_popup(eap->arg, eap->forceit);
7698 }
7699 #endif
7700
7701 /*ARGSUSED*/
7702 static void
7703 ex_swapname(eap)
7704 exarg_T *eap;
7705 {
7706 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7707 MSG(_("No swap file"));
7708 else
7709 msg(curbuf->b_ml.ml_mfp->mf_fname);
7710 }
7711
7712 /*
7713 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7714 * offset.
7715 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7716 */
7717 /*ARGSUSED*/
7718 static void
7719 ex_syncbind(eap)
7720 exarg_T *eap;
7721 {
7722 #ifdef FEAT_SCROLLBIND
7723 win_T *wp;
7724 long topline;
7725 long y;
7726 linenr_T old_linenr = curwin->w_cursor.lnum;
7727
7728 setpcmark();
7729
7730 /*
7731 * determine max topline
7732 */
7733 if (curwin->w_p_scb)
7734 {
7735 topline = curwin->w_topline;
7736 for (wp = firstwin; wp; wp = wp->w_next)
7737 {
7738 if (wp->w_p_scb && wp->w_buffer)
7739 {
7740 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7741 if (topline > y)
7742 topline = y;
7743 }
7744 }
7745 if (topline < 1)
7746 topline = 1;
7747 }
7748 else
7749 {
7750 topline = 1;
7751 }
7752
7753
7754 /*
7755 * set all scrollbind windows to the same topline
7756 */
7757 wp = curwin;
7758 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7759 {
7760 if (curwin->w_p_scb)
7761 {
7762 y = topline - curwin->w_topline;
7763 if (y > 0)
7764 scrollup(y, TRUE);
7765 else
7766 scrolldown(-y, TRUE);
7767 curwin->w_scbind_pos = topline;
7768 redraw_later(VALID);
7769 cursor_correct();
7770 #ifdef FEAT_WINDOWS
7771 curwin->w_redr_status = TRUE;
7772 #endif
7773 }
7774 }
7775 curwin = wp;
7776 if (curwin->w_p_scb)
7777 {
7778 did_syncbind = TRUE;
7779 checkpcmark();
7780 if (old_linenr != curwin->w_cursor.lnum)
7781 {
7782 char_u ctrl_o[2];
7783
7784 ctrl_o[0] = Ctrl_O;
7785 ctrl_o[1] = 0;
7786 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7787 }
7788 }
7789 #endif
7790 }
7791
7792
7793 static void
7794 ex_read(eap)
7795 exarg_T *eap;
7796 {
7797 int i;
7798 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7799 linenr_T lnum;
7800
7801 if (eap->usefilter) /* :r!cmd */
7802 do_bang(1, eap, FALSE, FALSE, TRUE);
7803 else
7804 {
7805 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7806 return;
7807
7808 #ifdef FEAT_BROWSE
7809 if (cmdmod.browse)
7810 {
7811 char_u *browseFile;
7812
7813 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7814 NULL, NULL, NULL, curbuf);
7815 if (browseFile != NULL)
7816 {
7817 i = readfile(browseFile, NULL,
7818 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7819 vim_free(browseFile);
7820 }
7821 else
7822 i = OK;
7823 }
7824 else
7825 #endif
7826 if (*eap->arg == NUL)
7827 {
7828 if (check_fname() == FAIL) /* check for no file name */
7829 return;
7830 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7831 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7832 }
7833 else
7834 {
7835 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7836 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7837 i = readfile(eap->arg, NULL,
7838 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7839
7840 }
7841 if (i == FAIL)
7842 {
7843 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7844 if (!aborting())
7845 #endif
7846 EMSG2(_(e_notopen), eap->arg);
7847 }
7848 else
7849 {
7850 if (empty && exmode_active)
7851 {
7852 /* Delete the empty line that remains. Historically ex does
7853 * this but vi doesn't. */
7854 if (eap->line2 == 0)
7855 lnum = curbuf->b_ml.ml_line_count;
7856 else
7857 lnum = 1;
7858 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7859 {
7860 ml_delete(lnum, FALSE);
7861 deleted_lines_mark(lnum, 1L);
7862 if (curwin->w_cursor.lnum > 1
7863 && curwin->w_cursor.lnum >= lnum)
7864 --curwin->w_cursor.lnum;
7865 }
7866 }
7867 redraw_curbuf_later(VALID);
7868 }
7869 }
7870 }
7871
7872 static char_u *prev_dir = NULL;
7873
7874 #if defined(EXITFREE) || defined(PROTO)
7875 void
7876 free_cd_dir()
7877 {
7878 vim_free(prev_dir);
7879 prev_dir = NULL;
7880
7881 vim_free(globaldir);
7882 globaldir = NULL;
7883 }
7884 #endif
7885
7886
7887 /*
7888 * ":cd", ":lcd", ":chdir" and ":lchdir".
7889 */
7890 void
7891 ex_cd(eap)
7892 exarg_T *eap;
7893 {
7894 char_u *new_dir;
7895 char_u *tofree;
7896
7897 new_dir = eap->arg;
7898 #if !defined(UNIX) && !defined(VMS)
7899 /* for non-UNIX ":cd" means: print current directory */
7900 if (*new_dir == NUL)
7901 ex_pwd(NULL);
7902 else
7903 #endif
7904 {
7905 #ifdef FEAT_AUTOCMD
7906 if (allbuf_locked())
7907 return;
7908 #endif
7909 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7910 && !eap->forceit)
7911 {
7912 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7913 return;
7914 }
7915
7916 /* ":cd -": Change to previous directory */
7917 if (STRCMP(new_dir, "-") == 0)
7918 {
7919 if (prev_dir == NULL)
7920 {
7921 EMSG(_("E186: No previous directory"));
7922 return;
7923 }
7924 new_dir = prev_dir;
7925 }
7926
7927 /* Save current directory for next ":cd -" */
7928 tofree = prev_dir;
7929 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7930 prev_dir = vim_strsave(NameBuff);
7931 else
7932 prev_dir = NULL;
7933
7934 #if defined(UNIX) || defined(VMS)
7935 /* for UNIX ":cd" means: go to home directory */
7936 if (*new_dir == NUL)
7937 {
7938 /* use NameBuff for home directory name */
7939 # ifdef VMS
7940 char_u *p;
7941
7942 p = mch_getenv((char_u *)"SYS$LOGIN");
7943 if (p == NULL || *p == NUL) /* empty is the same as not set */
7944 NameBuff[0] = NUL;
7945 else
7946 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7947 # else
7948 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7949 # endif
7950 new_dir = NameBuff;
7951 }
7952 #endif
7953 if (new_dir == NULL || vim_chdir(new_dir))
7954 EMSG(_(e_failed));
7955 else
7956 {
7957 vim_free(curwin->w_localdir);
7958 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7959 {
7960 /* If still in global directory, need to remember current
7961 * directory as global directory. */
7962 if (globaldir == NULL && prev_dir != NULL)
7963 globaldir = vim_strsave(prev_dir);
7964 /* Remember this local directory for the window. */
7965 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7966 curwin->w_localdir = vim_strsave(NameBuff);
7967 }
7968 else
7969 {
7970 /* We are now in the global directory, no need to remember its
7971 * name. */
7972 vim_free(globaldir);
7973 globaldir = NULL;
7974 curwin->w_localdir = NULL;
7975 }
7976
7977 shorten_fnames(TRUE);
7978
7979 /* Echo the new current directory if the command was typed. */
7980 if (KeyTyped)
7981 ex_pwd(eap);
7982 }
7983 vim_free(tofree);
7984 }
7985 }
7986
7987 /*
7988 * ":pwd".
7989 */
7990 /*ARGSUSED*/
7991 static void
7992 ex_pwd(eap)
7993 exarg_T *eap;
7994 {
7995 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7996 {
7997 #ifdef BACKSLASH_IN_FILENAME
7998 slash_adjust(NameBuff);
7999 #endif
8000 msg(NameBuff);
8001 }
8002 else
8003 EMSG(_("E187: Unknown"));
8004 }
8005
8006 /*
8007 * ":=".
8008 */
8009 static void
8010 ex_equal(eap)
8011 exarg_T *eap;
8012 {
8013 smsg((char_u *)"%ld", (long)eap->line2);
8014 ex_may_print(eap);
8015 }
8016
8017 static void
8018 ex_sleep(eap)
8019 exarg_T *eap;
8020 {
8021 int n;
8022 long len;
8023
8024 if (cursor_valid())
8025 {
8026 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8027 if (n >= 0)
8028 windgoto((int)n, curwin->w_wcol);
8029 }
8030
8031 len = eap->line2;
8032 switch (*eap->arg)
8033 {
8034 case 'm': break;
8035 case NUL: len *= 1000L; break;
8036 default: EMSG2(_(e_invarg2), eap->arg); return;
8037 }
8038 do_sleep(len);
8039 }
8040
8041 /*
8042 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8043 */
8044 void
8045 do_sleep(msec)
8046 long msec;
8047 {
8048 long done;
8049
8050 cursor_on();
8051 out_flush();
8052 for (done = 0; !got_int && done < msec; done += 1000L)
8053 {
8054 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8055 ui_breakcheck();
8056 }
8057 }
8058
8059 static void
8060 do_exmap(eap, isabbrev)
8061 exarg_T *eap;
8062 int isabbrev;
8063 {
8064 int mode;
8065 char_u *cmdp;
8066
8067 cmdp = eap->cmd;
8068 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8069
8070 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8071 eap->arg, mode, isabbrev))
8072 {
8073 case 1: EMSG(_(e_invarg));
8074 break;
8075 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8076 break;
8077 }
8078 }
8079
8080 /*
8081 * ":winsize" command (obsolete).
8082 */
8083 static void
8084 ex_winsize(eap)
8085 exarg_T *eap;
8086 {
8087 int w, h;
8088 char_u *arg = eap->arg;
8089 char_u *p;
8090
8091 w = getdigits(&arg);
8092 arg = skipwhite(arg);
8093 p = arg;
8094 h = getdigits(&arg);
8095 if (*p != NUL && *arg == NUL)
8096 set_shellsize(w, h, TRUE);
8097 else
8098 EMSG(_("E465: :winsize requires two number arguments"));
8099 }
8100
8101 #ifdef FEAT_WINDOWS
8102 static void
8103 ex_wincmd(eap)
8104 exarg_T *eap;
8105 {
8106 int xchar = NUL;
8107 char_u *p;
8108
8109 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8110 {
8111 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8112 if (eap->arg[1] == NUL)
8113 {
8114 EMSG(_(e_invarg));
8115 return;
8116 }
8117 xchar = eap->arg[1];
8118 p = eap->arg + 2;
8119 }
8120 else
8121 p = eap->arg + 1;
8122
8123 eap->nextcmd = check_nextcmd(p);
8124 p = skipwhite(p);
8125 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8126 EMSG(_(e_invarg));
8127 else
8128 {
8129 /* Pass flags on for ":vertical wincmd ]". */
8130 postponed_split_flags = cmdmod.split;
8131 postponed_split_tab = cmdmod.tab;
8132 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8133 postponed_split_flags = 0;
8134 postponed_split_tab = 0;
8135 }
8136 }
8137 #endif
8138
8139 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8140 /*
8141 * ":winpos".
8142 */
8143 static void
8144 ex_winpos(eap)
8145 exarg_T *eap;
8146 {
8147 int x, y;
8148 char_u *arg = eap->arg;
8149 char_u *p;
8150
8151 if (*arg == NUL)
8152 {
8153 # if defined(FEAT_GUI) || defined(MSWIN)
8154 # ifdef FEAT_GUI
8155 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8156 # else
8157 if (mch_get_winpos(&x, &y) != FAIL)
8158 # endif
8159 {
8160 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8161 msg(IObuff);
8162 }
8163 else
8164 # endif
8165 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8166 }
8167 else
8168 {
8169 x = getdigits(&arg);
8170 arg = skipwhite(arg);
8171 p = arg;
8172 y = getdigits(&arg);
8173 if (*p == NUL || *arg != NUL)
8174 {
8175 EMSG(_("E466: :winpos requires two number arguments"));
8176 return;
8177 }
8178 # ifdef FEAT_GUI
8179 if (gui.in_use)
8180 gui_mch_set_winpos(x, y);
8181 else if (gui.starting)
8182 {
8183 /* Remember the coordinates for when the window is opened. */
8184 gui_win_x = x;
8185 gui_win_y = y;
8186 }
8187 # ifdef HAVE_TGETENT
8188 else
8189 # endif
8190 # else
8191 # ifdef MSWIN
8192 mch_set_winpos(x, y);
8193 # endif
8194 # endif
8195 # ifdef HAVE_TGETENT
8196 if (*T_CWP)
8197 term_set_winpos(x, y);
8198 # endif
8199 }
8200 }
8201 #endif
8202
8203 /*
8204 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8205 */
8206 static void
8207 ex_operators(eap)
8208 exarg_T *eap;
8209 {
8210 oparg_T oa;
8211
8212 clear_oparg(&oa);
8213 oa.regname = eap->regname;
8214 oa.start.lnum = eap->line1;
8215 oa.end.lnum = eap->line2;
8216 oa.line_count = eap->line2 - eap->line1 + 1;
8217 oa.motion_type = MLINE;
8218 #ifdef FEAT_VIRTUALEDIT
8219 virtual_op = FALSE;
8220 #endif
8221 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8222 {
8223 setpcmark();
8224 curwin->w_cursor.lnum = eap->line1;
8225 beginline(BL_SOL | BL_FIX);
8226 }
8227
8228 switch (eap->cmdidx)
8229 {
8230 case CMD_delete:
8231 oa.op_type = OP_DELETE;
8232 op_delete(&oa);
8233 break;
8234
8235 case CMD_yank:
8236 oa.op_type = OP_YANK;
8237 (void)op_yank(&oa, FALSE, TRUE);
8238 break;
8239
8240 default: /* CMD_rshift or CMD_lshift */
8241 if ((eap->cmdidx == CMD_rshift)
8242 #ifdef FEAT_RIGHTLEFT
8243 ^ curwin->w_p_rl
8244 #endif
8245 )
8246 oa.op_type = OP_RSHIFT;
8247 else
8248 oa.op_type = OP_LSHIFT;
8249 op_shift(&oa, FALSE, eap->amount);
8250 break;
8251 }
8252 #ifdef FEAT_VIRTUALEDIT
8253 virtual_op = MAYBE;
8254 #endif
8255 ex_may_print(eap);
8256 }
8257
8258 /*
8259 * ":put".
8260 */
8261 static void
8262 ex_put(eap)
8263 exarg_T *eap;
8264 {
8265 /* ":0put" works like ":1put!". */
8266 if (eap->line2 == 0)
8267 {
8268 eap->line2 = 1;
8269 eap->forceit = TRUE;
8270 }
8271 curwin->w_cursor.lnum = eap->line2;
8272 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8273 PUT_LINE|PUT_CURSLINE);
8274 }
8275
8276 /*
8277 * Handle ":copy" and ":move".
8278 */
8279 static void
8280 ex_copymove(eap)
8281 exarg_T *eap;
8282 {
8283 long n;
8284
8285 n = get_address(&eap->arg, FALSE, FALSE);
8286 if (eap->arg == NULL) /* error detected */
8287 {
8288 eap->nextcmd = NULL;
8289 return;
8290 }
8291 get_flags(eap);
8292
8293 /*
8294 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8295 */
8296 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8297 {
8298 EMSG(_(e_invaddr));
8299 return;
8300 }
8301
8302 if (eap->cmdidx == CMD_move)
8303 {
8304 if (do_move(eap->line1, eap->line2, n) == FAIL)
8305 return;
8306 }
8307 else
8308 ex_copy(eap->line1, eap->line2, n);
8309 u_clearline();
8310 beginline(BL_SOL | BL_FIX);
8311 ex_may_print(eap);
8312 }
8313
8314 /*
8315 * Print the current line if flags were given to the Ex command.
8316 */
8317 static void
8318 ex_may_print(eap)
8319 exarg_T *eap;
8320 {
8321 if (eap->flags != 0)
8322 {
8323 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8324 (eap->flags & EXFLAG_LIST));
8325 ex_no_reprint = TRUE;
8326 }
8327 }
8328
8329 /*
8330 * ":smagic" and ":snomagic".
8331 */
8332 static void
8333 ex_submagic(eap)
8334 exarg_T *eap;
8335 {
8336 int magic_save = p_magic;
8337
8338 p_magic = (eap->cmdidx == CMD_smagic);
8339 do_sub(eap);
8340 p_magic = magic_save;
8341 }
8342
8343 /*
8344 * ":join".
8345 */
8346 static void
8347 ex_join(eap)
8348 exarg_T *eap;
8349 {
8350 curwin->w_cursor.lnum = eap->line1;
8351 if (eap->line1 == eap->line2)
8352 {
8353 if (eap->addr_count >= 2) /* :2,2join does nothing */
8354 return;
8355 if (eap->line2 == curbuf->b_ml.ml_line_count)
8356 {
8357 beep_flush();
8358 return;
8359 }
8360 ++eap->line2;
8361 }
8362 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8363 beginline(BL_WHITE | BL_FIX);
8364 ex_may_print(eap);
8365 }
8366
8367 /*
8368 * ":[addr]@r" or ":[addr]*r": execute register
8369 */
8370 static void
8371 ex_at(eap)
8372 exarg_T *eap;
8373 {
8374 int c;
8375
8376 curwin->w_cursor.lnum = eap->line2;
8377
8378 #ifdef USE_ON_FLY_SCROLL
8379 dont_scroll = TRUE; /* disallow scrolling here */
8380 #endif
8381
8382 /* get the register name. No name means to use the previous one */
8383 c = *eap->arg;
8384 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8385 c = '@';
8386 /* Put the register in the typeahead buffer with the "silent" flag. */
8387 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8388 == FAIL)
8389 {
8390 beep_flush();
8391 }
8392 else
8393 {
8394 int save_efr = exec_from_reg;
8395
8396 exec_from_reg = TRUE;
8397
8398 /*
8399 * Execute from the typeahead buffer.
8400 * Originally this didn't check for the typeahead buffer to be empty,
8401 * thus could read more Ex commands from stdin. It's not clear why,
8402 * it is certainly unexpected.
8403 */
8404 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8405 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8406
8407 exec_from_reg = save_efr;
8408 }
8409 }
8410
8411 /*
8412 * ":!".
8413 */
8414 static void
8415 ex_bang(eap)
8416 exarg_T *eap;
8417 {
8418 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8419 }
8420
8421 /*
8422 * ":undo".
8423 */
8424 /*ARGSUSED*/
8425 static void
8426 ex_undo(eap)
8427 exarg_T *eap;
8428 {
8429 if (eap->addr_count == 1) /* :undo 123 */
8430 undo_time(eap->line2, FALSE, TRUE);
8431 else
8432 u_undo(1);
8433 }
8434
8435 /*
8436 * ":redo".
8437 */
8438 /*ARGSUSED*/
8439 static void
8440 ex_redo(eap)
8441 exarg_T *eap;
8442 {
8443 u_redo(1);
8444 }
8445
8446 /*
8447 * ":earlier" and ":later".
8448 */
8449 /*ARGSUSED*/
8450 static void
8451 ex_later(eap)
8452 exarg_T *eap;
8453 {
8454 long count = 0;
8455 int sec = FALSE;
8456 char_u *p = eap->arg;
8457
8458 if (*p == NUL)
8459 count = 1;
8460 else if (isdigit(*p))
8461 {
8462 count = getdigits(&p);
8463 switch (*p)
8464 {
8465 case 's': ++p; sec = TRUE; break;
8466 case 'm': ++p; sec = TRUE; count *= 60; break;
8467 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8468 }
8469 }
8470
8471 if (*p != NUL)
8472 EMSG2(_(e_invarg2), eap->arg);
8473 else
8474 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8475 }
8476
8477 /*
8478 * ":redir": start/stop redirection.
8479 */
8480 static void
8481 ex_redir(eap)
8482 exarg_T *eap;
8483 {
8484 char *mode;
8485 char_u *fname;
8486 char_u *arg = eap->arg;
8487
8488 if (STRICMP(eap->arg, "END") == 0)
8489 close_redir();
8490 else
8491 {
8492 if (*arg == '>')
8493 {
8494 ++arg;
8495 if (*arg == '>')
8496 {
8497 ++arg;
8498 mode = "a";
8499 }
8500 else
8501 mode = "w";
8502 arg = skipwhite(arg);
8503
8504 close_redir();
8505
8506 /* Expand environment variables and "~/". */
8507 fname = expand_env_save(arg);
8508 if (fname == NULL)
8509 return;
8510 #ifdef FEAT_BROWSE
8511 if (cmdmod.browse)
8512 {
8513 char_u *browseFile;
8514
8515 browseFile = do_browse(BROWSE_SAVE,
8516 (char_u *)_("Save Redirection"),
8517 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8518 if (browseFile == NULL)
8519 return; /* operation cancelled */
8520 vim_free(fname);
8521 fname = browseFile;
8522 eap->forceit = TRUE; /* since dialog already asked */
8523 }
8524 #endif
8525
8526 redir_fd = open_exfile(fname, eap->forceit, mode);
8527 vim_free(fname);
8528 }
8529 #ifdef FEAT_EVAL
8530 else if (*arg == '@')
8531 {
8532 /* redirect to a register a-z (resp. A-Z for appending) */
8533 close_redir();
8534 ++arg;
8535 if (ASCII_ISALPHA(*arg)
8536 # ifdef FEAT_CLIPBOARD
8537 || *arg == '*'
8538 || *arg == '+'
8539 # endif
8540 || *arg == '"')
8541 {
8542 redir_reg = *arg++;
8543 if (*arg == '>' && arg[1] == '>') /* append */
8544 arg += 2;
8545 else
8546 {
8547 /* Can use both "@a" and "@a>". */
8548 if (*arg == '>')
8549 arg++;
8550 /* Make register empty when not using @A-@Z and the
8551 * command is valid. */
8552 if (*arg == NUL && !isupper(redir_reg))
8553 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8554 }
8555 }
8556 if (*arg != NUL)
8557 {
8558 redir_reg = 0;
8559 EMSG2(_(e_invarg2), eap->arg);
8560 }
8561 }
8562 else if (*arg == '=' && arg[1] == '>')
8563 {
8564 int append;
8565
8566 /* redirect to a variable */
8567 close_redir();
8568 arg += 2;
8569
8570 if (*arg == '>')
8571 {
8572 ++arg;
8573 append = TRUE;
8574 }
8575 else
8576 append = FALSE;
8577
8578 if (var_redir_start(skipwhite(arg), append) == OK)
8579 redir_vname = 1;
8580 }
8581 #endif
8582
8583 /* TODO: redirect to a buffer */
8584
8585 else
8586 EMSG2(_(e_invarg2), eap->arg);
8587 }
8588
8589 /* Make sure redirection is not off. Can happen for cmdline completion
8590 * that indirectly invokes a command to catch its output. */
8591 if (redir_fd != NULL
8592 #ifdef FEAT_EVAL
8593 || redir_reg || redir_vname
8594 #endif
8595 )
8596 redir_off = FALSE;
8597 }
8598
8599 /*
8600 * ":redraw": force redraw
8601 */
8602 static void
8603 ex_redraw(eap)
8604 exarg_T *eap;
8605 {
8606 int r = RedrawingDisabled;
8607 int p = p_lz;
8608
8609 RedrawingDisabled = 0;
8610 p_lz = FALSE;
8611 update_topline();
8612 update_screen(eap->forceit ? CLEAR :
8613 #ifdef FEAT_VISUAL
8614 VIsual_active ? INVERTED :
8615 #endif
8616 0);
8617 #ifdef FEAT_TITLE
8618 if (need_maketitle)
8619 maketitle();
8620 #endif
8621 RedrawingDisabled = r;
8622 p_lz = p;
8623
8624 /* Reset msg_didout, so that a message that's there is overwritten. */
8625 msg_didout = FALSE;
8626 msg_col = 0;
8627
8628 out_flush();
8629 }
8630
8631 /*
8632 * ":redrawstatus": force redraw of status line(s)
8633 */
8634 /*ARGSUSED*/
8635 static void
8636 ex_redrawstatus(eap)
8637 exarg_T *eap;
8638 {
8639 #if defined(FEAT_WINDOWS)
8640 int r = RedrawingDisabled;
8641 int p = p_lz;
8642
8643 RedrawingDisabled = 0;
8644 p_lz = FALSE;
8645 if (eap->forceit)
8646 status_redraw_all();
8647 else
8648 status_redraw_curbuf();
8649 update_screen(
8650 # ifdef FEAT_VISUAL
8651 VIsual_active ? INVERTED :
8652 # endif
8653 0);
8654 RedrawingDisabled = r;
8655 p_lz = p;
8656 out_flush();
8657 #endif
8658 }
8659
8660 static void
8661 close_redir()
8662 {
8663 if (redir_fd != NULL)
8664 {
8665 fclose(redir_fd);
8666 redir_fd = NULL;
8667 }
8668 #ifdef FEAT_EVAL
8669 redir_reg = 0;
8670 if (redir_vname)
8671 {
8672 var_redir_stop();
8673 redir_vname = 0;
8674 }
8675 #endif
8676 }
8677
8678 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8679 # define MKSESSION_NL
8680 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8681 #endif
8682
8683 /*
8684 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8685 */
8686 static void
8687 ex_mkrc(eap)
8688 exarg_T *eap;
8689 {
8690 FILE *fd;
8691 int failed = FALSE;
8692 char_u *fname;
8693 #ifdef FEAT_BROWSE
8694 char_u *browseFile = NULL;
8695 #endif
8696 #ifdef FEAT_SESSION
8697 int view_session = FALSE;
8698 int using_vdir = FALSE; /* using 'viewdir'? */
8699 char_u *viewFile = NULL;
8700 unsigned *flagp;
8701 #endif
8702
8703 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8704 {
8705 #ifdef FEAT_SESSION
8706 view_session = TRUE;
8707 #else
8708 ex_ni(eap);
8709 return;
8710 #endif
8711 }
8712
8713 #ifdef FEAT_SESSION
8714 did_lcd = FALSE;
8715
8716 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8717 if (eap->cmdidx == CMD_mkview
8718 && (*eap->arg == NUL
8719 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8720 {
8721 eap->forceit = TRUE;
8722 fname = get_view_file(*eap->arg);
8723 if (fname == NULL)
8724 return;
8725 viewFile = fname;
8726 using_vdir = TRUE;
8727 }
8728 else
8729 #endif
8730 if (*eap->arg != NUL)
8731 fname = eap->arg;
8732 else if (eap->cmdidx == CMD_mkvimrc)
8733 fname = (char_u *)VIMRC_FILE;
8734 #ifdef FEAT_SESSION
8735 else if (eap->cmdidx == CMD_mksession)
8736 fname = (char_u *)SESSION_FILE;
8737 #endif
8738 else
8739 fname = (char_u *)EXRC_FILE;
8740
8741 #ifdef FEAT_BROWSE
8742 if (cmdmod.browse)
8743 {
8744 browseFile = do_browse(BROWSE_SAVE,
8745 # ifdef FEAT_SESSION
8746 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8747 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8748 # endif
8749 (char_u *)_("Save Setup"),
8750 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8751 if (browseFile == NULL)
8752 goto theend;
8753 fname = browseFile;
8754 eap->forceit = TRUE; /* since dialog already asked */
8755 }
8756 #endif
8757
8758 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8759 /* When using 'viewdir' may have to create the directory. */
8760 if (using_vdir && !mch_isdir(p_vdir))
8761 vim_mkdir_emsg(p_vdir, 0755);
8762 #endif
8763
8764 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8765 if (fd != NULL)
8766 {
8767 #ifdef FEAT_SESSION
8768 if (eap->cmdidx == CMD_mkview)
8769 flagp = &vop_flags;
8770 else
8771 flagp = &ssop_flags;
8772 #endif
8773
8774 #ifdef MKSESSION_NL
8775 /* "unix" in 'sessionoptions': use NL line separator */
8776 if (view_session && (*flagp & SSOP_UNIX))
8777 mksession_nl = TRUE;
8778 #endif
8779
8780 /* Write the version command for :mkvimrc */
8781 if (eap->cmdidx == CMD_mkvimrc)
8782 (void)put_line(fd, "version 6.0");
8783
8784 #ifdef FEAT_SESSION
8785 if (eap->cmdidx == CMD_mksession)
8786 {
8787 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8788 failed = TRUE;
8789 }
8790
8791 if (eap->cmdidx != CMD_mkview)
8792 #endif
8793 {
8794 /* Write setting 'compatible' first, because it has side effects.
8795 * For that same reason only do it when needed. */
8796 if (p_cp)
8797 (void)put_line(fd, "if !&cp | set cp | endif");
8798 else
8799 (void)put_line(fd, "if &cp | set nocp | endif");
8800 }
8801
8802 #ifdef FEAT_SESSION
8803 if (!view_session
8804 || (eap->cmdidx == CMD_mksession
8805 && (*flagp & SSOP_OPTIONS)))
8806 #endif
8807 failed |= (makemap(fd, NULL) == FAIL
8808 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8809
8810 #ifdef FEAT_SESSION
8811 if (!failed && view_session)
8812 {
8813 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8814 failed = TRUE;
8815 if (eap->cmdidx == CMD_mksession)
8816 {
8817 char_u dirnow[MAXPATHL]; /* current directory */
8818
8819 /*
8820 * Change to session file's dir.
8821 */
8822 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8823 || mch_chdir((char *)dirnow) != 0)
8824 *dirnow = NUL;
8825 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8826 {
8827 if (vim_chdirfile(fname) == OK)
8828 shorten_fnames(TRUE);
8829 }
8830 else if (*dirnow != NUL
8831 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8832 {
8833 if (mch_chdir((char *)globaldir) == 0)
8834 shorten_fnames(TRUE);
8835 }
8836
8837 failed |= (makeopens(fd, dirnow) == FAIL);
8838
8839 /* restore original dir */
8840 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8841 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8842 {
8843 if (mch_chdir((char *)dirnow) != 0)
8844 EMSG(_(e_prev_dir));
8845 shorten_fnames(TRUE);
8846 }
8847 }
8848 else
8849 {
8850 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8851 -1) == FAIL);
8852 }
8853 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8854 == FAIL)
8855 failed = TRUE;
8856 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8857 failed = TRUE;
8858 if (eap->cmdidx == CMD_mksession)
8859 {
8860 if (put_line(fd, "unlet SessionLoad") == FAIL)
8861 failed = TRUE;
8862 }
8863 }
8864 #endif
8865 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8866 failed = TRUE;
8867
8868 failed |= fclose(fd);
8869
8870 if (failed)
8871 EMSG(_(e_write));
8872 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8873 else if (eap->cmdidx == CMD_mksession)
8874 {
8875 /* successful session write - set this_session var */
8876 char_u tbuf[MAXPATHL];
8877
8878 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8879 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8880 }
8881 #endif
8882 #ifdef MKSESSION_NL
8883 mksession_nl = FALSE;
8884 #endif
8885 }
8886
8887 #ifdef FEAT_BROWSE
8888 theend:
8889 vim_free(browseFile);
8890 #endif
8891 #ifdef FEAT_SESSION
8892 vim_free(viewFile);
8893 #endif
8894 }
8895
8896 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8897 || defined(PROTO)
8898 /*ARGSUSED*/
8899 int
8900 vim_mkdir_emsg(name, prot)
8901 char_u *name;
8902 int prot;
8903 {
8904 if (vim_mkdir(name, prot) != 0)
8905 {
8906 EMSG2(_("E739: Cannot create directory: %s"), name);
8907 return FAIL;
8908 }
8909 return OK;
8910 }
8911 #endif
8912
8913 /*
8914 * Open a file for writing for an Ex command, with some checks.
8915 * Return file descriptor, or NULL on failure.
8916 */
8917 FILE *
8918 open_exfile(fname, forceit, mode)
8919 char_u *fname;
8920 int forceit;
8921 char *mode; /* "w" for create new file or "a" for append */
8922 {
8923 FILE *fd;
8924
8925 #ifdef UNIX
8926 /* with Unix it is possible to open a directory */
8927 if (mch_isdir(fname))
8928 {
8929 EMSG2(_(e_isadir2), fname);
8930 return NULL;
8931 }
8932 #endif
8933 if (!forceit && *mode != 'a' && vim_fexists(fname))
8934 {
8935 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8936 return NULL;
8937 }
8938
8939 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8940 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8941
8942 return fd;
8943 }
8944
8945 /*
8946 * ":mark" and ":k".
8947 */
8948 static void
8949 ex_mark(eap)
8950 exarg_T *eap;
8951 {
8952 pos_T pos;
8953
8954 if (*eap->arg == NUL) /* No argument? */
8955 EMSG(_(e_argreq));
8956 else if (eap->arg[1] != NUL) /* more than one character? */
8957 EMSG(_(e_trailing));
8958 else
8959 {
8960 pos = curwin->w_cursor; /* save curwin->w_cursor */
8961 curwin->w_cursor.lnum = eap->line2;
8962 beginline(BL_WHITE | BL_FIX);
8963 if (setmark(*eap->arg) == FAIL) /* set mark */
8964 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8965 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8966 }
8967 }
8968
8969 /*
8970 * Update w_topline, w_leftcol and the cursor position.
8971 */
8972 void
8973 update_topline_cursor()
8974 {
8975 check_cursor(); /* put cursor on valid line */
8976 update_topline();
8977 if (!curwin->w_p_wrap)
8978 validate_cursor();
8979 update_curswant();
8980 }
8981
8982 #ifdef FEAT_EX_EXTRA
8983 /*
8984 * ":normal[!] {commands}": Execute normal mode commands.
8985 */
8986 static void
8987 ex_normal(eap)
8988 exarg_T *eap;
8989 {
8990 int save_msg_scroll = msg_scroll;
8991 int save_restart_edit = restart_edit;
8992 int save_msg_didout = msg_didout;
8993 int save_State = State;
8994 tasave_T tabuf;
8995 int save_insertmode = p_im;
8996 int save_finish_op = finish_op;
8997 int save_opcount = opcount;
8998 #ifdef FEAT_MBYTE
8999 char_u *arg = NULL;
9000 int l;
9001 char_u *p;
9002 #endif
9003
9004 if (ex_normal_lock > 0)
9005 {
9006 EMSG(_(e_secure));
9007 return;
9008 }
9009 if (ex_normal_busy >= p_mmd)
9010 {
9011 EMSG(_("E192: Recursive use of :normal too deep"));
9012 return;
9013 }
9014 ++ex_normal_busy;
9015
9016 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9017 restart_edit = 0; /* don't go to Insert mode */
9018 p_im = FALSE; /* don't use 'insertmode' */
9019
9020 #ifdef FEAT_MBYTE
9021 /*
9022 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9023 * this for the K_SPECIAL leading byte, otherwise special keys will not
9024 * work.
9025 */
9026 if (has_mbyte)
9027 {
9028 int len = 0;
9029
9030 /* Count the number of characters to be escaped. */
9031 for (p = eap->arg; *p != NUL; ++p)
9032 {
9033 # ifdef FEAT_GUI
9034 if (*p == CSI) /* leadbyte CSI */
9035 len += 2;
9036 # endif
9037 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9038 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9039 # ifdef FEAT_GUI
9040 || *p == CSI
9041 # endif
9042 )
9043 len += 2;
9044 }
9045 if (len > 0)
9046 {
9047 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9048 if (arg != NULL)
9049 {
9050 len = 0;
9051 for (p = eap->arg; *p != NUL; ++p)
9052 {
9053 arg[len++] = *p;
9054 # ifdef FEAT_GUI
9055 if (*p == CSI)
9056 {
9057 arg[len++] = KS_EXTRA;
9058 arg[len++] = (int)KE_CSI;
9059 }
9060 # endif
9061 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9062 {
9063 arg[len++] = *++p;
9064 if (*p == K_SPECIAL)
9065 {
9066 arg[len++] = KS_SPECIAL;
9067 arg[len++] = KE_FILLER;
9068 }
9069 # ifdef FEAT_GUI
9070 else if (*p == CSI)
9071 {
9072 arg[len++] = KS_EXTRA;
9073 arg[len++] = (int)KE_CSI;
9074 }
9075 # endif
9076 }
9077 arg[len] = NUL;
9078 }
9079 }
9080 }
9081 }
9082 #endif
9083
9084 /*
9085 * Save the current typeahead. This is required to allow using ":normal"
9086 * from an event handler and makes sure we don't hang when the argument
9087 * ends with half a command.
9088 */
9089 save_typeahead(&tabuf);
9090 if (tabuf.typebuf_valid)
9091 {
9092 /*
9093 * Repeat the :normal command for each line in the range. When no
9094 * range given, execute it just once, without positioning the cursor
9095 * first.
9096 */
9097 do
9098 {
9099 if (eap->addr_count != 0)
9100 {
9101 curwin->w_cursor.lnum = eap->line1++;
9102 curwin->w_cursor.col = 0;
9103 }
9104
9105 exec_normal_cmd(
9106 #ifdef FEAT_MBYTE
9107 arg != NULL ? arg :
9108 #endif
9109 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9110 }
9111 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9112 }
9113
9114 /* Might not return to the main loop when in an event handler. */
9115 update_topline_cursor();
9116
9117 /* Restore the previous typeahead. */
9118 restore_typeahead(&tabuf);
9119
9120 --ex_normal_busy;
9121 msg_scroll = save_msg_scroll;
9122 restart_edit = save_restart_edit;
9123 p_im = save_insertmode;
9124 finish_op = save_finish_op;
9125 opcount = save_opcount;
9126 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9127
9128 /* Restore the state (needed when called from a function executed for
9129 * 'indentexpr'). */
9130 State = save_State;
9131 #ifdef FEAT_MBYTE
9132 vim_free(arg);
9133 #endif
9134 }
9135
9136 /*
9137 * ":startinsert", ":startreplace" and ":startgreplace"
9138 */
9139 static void
9140 ex_startinsert(eap)
9141 exarg_T *eap;
9142 {
9143 if (eap->forceit)
9144 {
9145 coladvance((colnr_T)MAXCOL);
9146 curwin->w_curswant = MAXCOL;
9147 curwin->w_set_curswant = FALSE;
9148 }
9149
9150 /* Ignore the command when already in Insert mode. Inserting an
9151 * expression register that invokes a function can do this. */
9152 if (State & INSERT)
9153 return;
9154
9155 if (eap->cmdidx == CMD_startinsert)
9156 restart_edit = 'a';
9157 else if (eap->cmdidx == CMD_startreplace)
9158 restart_edit = 'R';
9159 else
9160 restart_edit = 'V';
9161
9162 if (!eap->forceit)
9163 {
9164 if (eap->cmdidx == CMD_startinsert)
9165 restart_edit = 'i';
9166 curwin->w_curswant = 0; /* avoid MAXCOL */
9167 }
9168 }
9169
9170 /*
9171 * ":stopinsert"
9172 */
9173 /*ARGSUSED*/
9174 static void
9175 ex_stopinsert(eap)
9176 exarg_T *eap;
9177 {
9178 restart_edit = 0;
9179 stop_insert_mode = TRUE;
9180 }
9181 #endif
9182
9183 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9184 /*
9185 * Execute normal mode command "cmd".
9186 * "remap" can be REMAP_NONE or REMAP_YES.
9187 */
9188 void
9189 exec_normal_cmd(cmd, remap, silent)
9190 char_u *cmd;
9191 int remap;
9192 int silent;
9193 {
9194 oparg_T oa;
9195
9196 /*
9197 * Stuff the argument into the typeahead buffer.
9198 * Execute normal_cmd() until there is no typeahead left.
9199 */
9200 clear_oparg(&oa);
9201 finish_op = FALSE;
9202 ins_typebuf(cmd, remap, 0, TRUE, silent);
9203 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9204 && !got_int)
9205 {
9206 update_topline_cursor();
9207 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9208 }
9209 }
9210 #endif
9211
9212 #ifdef FEAT_FIND_ID
9213 static void
9214 ex_checkpath(eap)
9215 exarg_T *eap;
9216 {
9217 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9218 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9219 (linenr_T)1, (linenr_T)MAXLNUM);
9220 }
9221
9222 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9223 /*
9224 * ":psearch"
9225 */
9226 static void
9227 ex_psearch(eap)
9228 exarg_T *eap;
9229 {
9230 g_do_tagpreview = p_pvh;
9231 ex_findpat(eap);
9232 g_do_tagpreview = 0;
9233 }
9234 #endif
9235
9236 static void
9237 ex_findpat(eap)
9238 exarg_T *eap;
9239 {
9240 int whole = TRUE;
9241 long n;
9242 char_u *p;
9243 int action;
9244
9245 switch (cmdnames[eap->cmdidx].cmd_name[2])
9246 {
9247 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9248 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9249 action = ACTION_GOTO;
9250 else
9251 action = ACTION_SHOW;
9252 break;
9253 case 'i': /* ":ilist" and ":dlist" */
9254 action = ACTION_SHOW_ALL;
9255 break;
9256 case 'u': /* ":ijump" and ":djump" */
9257 action = ACTION_GOTO;
9258 break;
9259 default: /* ":isplit" and ":dsplit" */
9260 action = ACTION_SPLIT;
9261 break;
9262 }
9263
9264 n = 1;
9265 if (vim_isdigit(*eap->arg)) /* get count */
9266 {
9267 n = getdigits(&eap->arg);
9268 eap->arg = skipwhite(eap->arg);
9269 }
9270 if (*eap->arg == '/') /* Match regexp, not just whole words */
9271 {
9272 whole = FALSE;
9273 ++eap->arg;
9274 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9275 if (*p)
9276 {
9277 *p++ = NUL;
9278 p = skipwhite(p);
9279
9280 /* Check for trailing illegal characters */
9281 if (!ends_excmd(*p))
9282 eap->errmsg = e_trailing;
9283 else
9284 eap->nextcmd = check_nextcmd(p);
9285 }
9286 }
9287 if (!eap->skip)
9288 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9289 whole, !eap->forceit,
9290 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9291 n, action, eap->line1, eap->line2);
9292 }
9293 #endif
9294
9295 #ifdef FEAT_WINDOWS
9296
9297 # ifdef FEAT_QUICKFIX
9298 /*
9299 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9300 */
9301 static void
9302 ex_ptag(eap)
9303 exarg_T *eap;
9304 {
9305 g_do_tagpreview = p_pvh;
9306 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9307 }
9308
9309 /*
9310 * ":pedit"
9311 */
9312 static void
9313 ex_pedit(eap)
9314 exarg_T *eap;
9315 {
9316 win_T *curwin_save = curwin;
9317
9318 g_do_tagpreview = p_pvh;
9319 prepare_tagpreview(TRUE);
9320 keep_help_flag = curwin_save->w_buffer->b_help;
9321 do_exedit(eap, NULL);
9322 keep_help_flag = FALSE;
9323 if (curwin != curwin_save && win_valid(curwin_save))
9324 {
9325 /* Return cursor to where we were */
9326 validate_cursor();
9327 redraw_later(VALID);
9328 win_enter(curwin_save, TRUE);
9329 }
9330 g_do_tagpreview = 0;
9331 }
9332 # endif
9333
9334 /*
9335 * ":stag", ":stselect" and ":stjump".
9336 */
9337 static void
9338 ex_stag(eap)
9339 exarg_T *eap;
9340 {
9341 postponed_split = -1;
9342 postponed_split_flags = cmdmod.split;
9343 postponed_split_tab = cmdmod.tab;
9344 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9345 postponed_split_flags = 0;
9346 postponed_split_tab = 0;
9347 }
9348 #endif
9349
9350 /*
9351 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9352 */
9353 static void
9354 ex_tag(eap)
9355 exarg_T *eap;
9356 {
9357 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9358 }
9359
9360 static void
9361 ex_tag_cmd(eap, name)
9362 exarg_T *eap;
9363 char_u *name;
9364 {
9365 int cmd;
9366
9367 switch (name[1])
9368 {
9369 case 'j': cmd = DT_JUMP; /* ":tjump" */
9370 break;
9371 case 's': cmd = DT_SELECT; /* ":tselect" */
9372 break;
9373 case 'p': cmd = DT_PREV; /* ":tprevious" */
9374 break;
9375 case 'N': cmd = DT_PREV; /* ":tNext" */
9376 break;
9377 case 'n': cmd = DT_NEXT; /* ":tnext" */
9378 break;
9379 case 'o': cmd = DT_POP; /* ":pop" */
9380 break;
9381 case 'f': /* ":tfirst" */
9382 case 'r': cmd = DT_FIRST; /* ":trewind" */
9383 break;
9384 case 'l': cmd = DT_LAST; /* ":tlast" */
9385 break;
9386 default: /* ":tag" */
9387 #ifdef FEAT_CSCOPE
9388 if (p_cst && *eap->arg != NUL)
9389 {
9390 do_cstag(eap);
9391 return;
9392 }
9393 #endif
9394 cmd = DT_TAG;
9395 break;
9396 }
9397
9398 if (name[0] == 'l')
9399 {
9400 #ifndef FEAT_QUICKFIX
9401 ex_ni(eap);
9402 return;
9403 #else
9404 cmd = DT_LTAG;
9405 #endif
9406 }
9407
9408 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9409 eap->forceit, TRUE);
9410 }
9411
9412 /*
9413 * Check "str" for starting with a special cmdline variable.
9414 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9415 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9416 */
9417 int
9418 find_cmdline_var(src, usedlen)
9419 char_u *src;
9420 int *usedlen;
9421 {
9422 int len;
9423 int i;
9424 static char *(spec_str[]) = {
9425 "%",
9426 #define SPEC_PERC 0
9427 "#",
9428 #define SPEC_HASH 1
9429 "<cword>", /* cursor word */
9430 #define SPEC_CWORD 2
9431 "<cWORD>", /* cursor WORD */
9432 #define SPEC_CCWORD 3
9433 "<cfile>", /* cursor path name */
9434 #define SPEC_CFILE 4
9435 "<sfile>", /* ":so" file name */
9436 #define SPEC_SFILE 5
9437 #ifdef FEAT_AUTOCMD
9438 "<afile>", /* autocommand file name */
9439 # define SPEC_AFILE 6
9440 "<abuf>", /* autocommand buffer number */
9441 # define SPEC_ABUF 7
9442 "<amatch>", /* autocommand match name */
9443 # define SPEC_AMATCH 8
9444 #endif
9445 #ifdef FEAT_CLIENTSERVER
9446 "<client>"
9447 # define SPEC_CLIENT 9
9448 #endif
9449 };
9450 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9451
9452 for (i = 0; i < SPEC_COUNT; ++i)
9453 {
9454 len = (int)STRLEN(spec_str[i]);
9455 if (STRNCMP(src, spec_str[i], len) == 0)
9456 {
9457 *usedlen = len;
9458 return i;
9459 }
9460 }
9461 return -1;
9462 }
9463
9464 /*
9465 * Evaluate cmdline variables.
9466 *
9467 * change '%' to curbuf->b_ffname
9468 * '#' to curwin->w_altfile
9469 * '<cword>' to word under the cursor
9470 * '<cWORD>' to WORD under the cursor
9471 * '<cfile>' to path name under the cursor
9472 * '<sfile>' to sourced file name
9473 * '<afile>' to file name for autocommand
9474 * '<abuf>' to buffer number for autocommand
9475 * '<amatch>' to matching name for autocommand
9476 *
9477 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9478 * "" for error without a message) and NULL is returned.
9479 * Returns an allocated string if a valid match was found.
9480 * Returns NULL if no match was found. "usedlen" then still contains the
9481 * number of characters to skip.
9482 */
9483 char_u *
9484 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9485 char_u *src; /* pointer into commandline */
9486 char_u *srcstart; /* beginning of valid memory for src */
9487 int *usedlen; /* characters after src that are used */
9488 linenr_T *lnump; /* line number for :e command, or NULL */
9489 char_u **errormsg; /* pointer to error message */
9490 int *escaped; /* return value has escaped white space (can
9491 * be NULL) */
9492 {
9493 int i;
9494 char_u *s;
9495 char_u *result;
9496 char_u *resultbuf = NULL;
9497 int resultlen;
9498 buf_T *buf;
9499 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9500 int spec_idx;
9501 #ifdef FEAT_MODIFY_FNAME
9502 int skip_mod = FALSE;
9503 #endif
9504
9505 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9506 char_u strbuf[30];
9507 #endif
9508
9509 *errormsg = NULL;
9510 if (escaped != NULL)
9511 *escaped = FALSE;
9512
9513 /*
9514 * Check if there is something to do.
9515 */
9516 spec_idx = find_cmdline_var(src, usedlen);
9517 if (spec_idx < 0) /* no match */
9518 {
9519 *usedlen = 1;
9520 return NULL;
9521 }
9522
9523 /*
9524 * Skip when preceded with a backslash "\%" and "\#".
9525 * Note: In "\\%" the % is also not recognized!
9526 */
9527 if (src > srcstart && src[-1] == '\\')
9528 {
9529 *usedlen = 0;
9530 STRMOVE(src - 1, src); /* remove backslash */
9531 return NULL;
9532 }
9533
9534 /*
9535 * word or WORD under cursor
9536 */
9537 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9538 {
9539 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9540 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9541 if (resultlen == 0)
9542 {
9543 *errormsg = (char_u *)"";
9544 return NULL;
9545 }
9546 }
9547
9548 /*
9549 * '#': Alternate file name
9550 * '%': Current file name
9551 * File name under the cursor
9552 * File name for autocommand
9553 * and following modifiers
9554 */
9555 else
9556 {
9557 switch (spec_idx)
9558 {
9559 case SPEC_PERC: /* '%': current file */
9560 if (curbuf->b_fname == NULL)
9561 {
9562 result = (char_u *)"";
9563 valid = 0; /* Must have ":p:h" to be valid */
9564 }
9565 else
9566 #ifdef RISCOS
9567 /* Always use the full path for RISC OS if possible. */
9568 result = curbuf->b_ffname;
9569 if (result == NULL)
9570 result = curbuf->b_fname;
9571 #else
9572 result = curbuf->b_fname;
9573 #endif
9574 break;
9575
9576 case SPEC_HASH: /* '#' or "#99": alternate file */
9577 if (src[1] == '#') /* "##": the argument list */
9578 {
9579 result = arg_all();
9580 resultbuf = result;
9581 *usedlen = 2;
9582 if (escaped != NULL)
9583 *escaped = TRUE;
9584 #ifdef FEAT_MODIFY_FNAME
9585 skip_mod = TRUE;
9586 #endif
9587 break;
9588 }
9589 s = src + 1;
9590 if (*s == '<') /* "#<99" uses v:oldfiles */
9591 ++s;
9592 i = (int)getdigits(&s);
9593 *usedlen = (int)(s - src); /* length of what we expand */
9594
9595 if (src[1] == '<')
9596 {
9597 if (*usedlen < 2)
9598 {
9599 /* Should we give an error message for #<text? */
9600 *usedlen = 1;
9601 return NULL;
9602 }
9603 #ifdef FEAT_EVAL
9604 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9605 (long)i);
9606 if (result == NULL)
9607 {
9608 *errormsg = (char_u *)"";
9609 return NULL;
9610 }
9611 #else
9612 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9613 return NULL;
9614 #endif
9615 }
9616 else
9617 {
9618 buf = buflist_findnr(i);
9619 if (buf == NULL)
9620 {
9621 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9622 return NULL;
9623 }
9624 if (lnump != NULL)
9625 *lnump = ECMD_LAST;
9626 if (buf->b_fname == NULL)
9627 {
9628 result = (char_u *)"";
9629 valid = 0; /* Must have ":p:h" to be valid */
9630 }
9631 else
9632 result = buf->b_fname;
9633 }
9634 break;
9635
9636 #ifdef FEAT_SEARCHPATH
9637 case SPEC_CFILE: /* file name under cursor */
9638 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9639 if (result == NULL)
9640 {
9641 *errormsg = (char_u *)"";
9642 return NULL;
9643 }
9644 resultbuf = result; /* remember allocated string */
9645 break;
9646 #endif
9647
9648 #ifdef FEAT_AUTOCMD
9649 case SPEC_AFILE: /* file name for autocommand */
9650 result = autocmd_fname;
9651 if (result != NULL && !autocmd_fname_full)
9652 {
9653 /* Still need to turn the fname into a full path. It is
9654 * postponed to avoid a delay when <afile> is not used. */
9655 autocmd_fname_full = TRUE;
9656 result = FullName_save(autocmd_fname, FALSE);
9657 vim_free(autocmd_fname);
9658 autocmd_fname = result;
9659 }
9660 if (result == NULL)
9661 {
9662 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9663 return NULL;
9664 }
9665 result = shorten_fname1(result);
9666 break;
9667
9668 case SPEC_ABUF: /* buffer number for autocommand */
9669 if (autocmd_bufnr <= 0)
9670 {
9671 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9672 return NULL;
9673 }
9674 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9675 result = strbuf;
9676 break;
9677
9678 case SPEC_AMATCH: /* match name for autocommand */
9679 result = autocmd_match;
9680 if (result == NULL)
9681 {
9682 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9683 return NULL;
9684 }
9685 break;
9686
9687 #endif
9688 case SPEC_SFILE: /* file name for ":so" command */
9689 result = sourcing_name;
9690 if (result == NULL)
9691 {
9692 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9693 return NULL;
9694 }
9695 break;
9696 #if defined(FEAT_CLIENTSERVER)
9697 case SPEC_CLIENT: /* Source of last submitted input */
9698 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9699 (long_u)clientWindow);
9700 result = strbuf;
9701 break;
9702 #endif
9703 }
9704
9705 resultlen = (int)STRLEN(result); /* length of new string */
9706 if (src[*usedlen] == '<') /* remove the file name extension */
9707 {
9708 ++*usedlen;
9709 #ifdef RISCOS
9710 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9711 #else
9712 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9713 #endif
9714 resultlen = (int)(s - result);
9715 }
9716 #ifdef FEAT_MODIFY_FNAME
9717 else if (!skip_mod)
9718 {
9719 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9720 &resultlen);
9721 if (result == NULL)
9722 {
9723 *errormsg = (char_u *)"";
9724 return NULL;
9725 }
9726 }
9727 #endif
9728 }
9729
9730 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9731 {
9732 if (valid != VALID_HEAD + VALID_PATH)
9733 /* xgettext:no-c-format */
9734 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9735 else
9736 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9737 result = NULL;
9738 }
9739 else
9740 result = vim_strnsave(result, resultlen);
9741 vim_free(resultbuf);
9742 return result;
9743 }
9744
9745 /*
9746 * Concatenate all files in the argument list, separated by spaces, and return
9747 * it in one allocated string.
9748 * Spaces and backslashes in the file names are escaped with a backslash.
9749 * Returns NULL when out of memory.
9750 */
9751 static char_u *
9752 arg_all()
9753 {
9754 int len;
9755 int idx;
9756 char_u *retval = NULL;
9757 char_u *p;
9758
9759 /*
9760 * Do this loop two times:
9761 * first time: compute the total length
9762 * second time: concatenate the names
9763 */
9764 for (;;)
9765 {
9766 len = 0;
9767 for (idx = 0; idx < ARGCOUNT; ++idx)
9768 {
9769 p = alist_name(&ARGLIST[idx]);
9770 if (p != NULL)
9771 {
9772 if (len > 0)
9773 {
9774 /* insert a space in between names */
9775 if (retval != NULL)
9776 retval[len] = ' ';
9777 ++len;
9778 }
9779 for ( ; *p != NUL; ++p)
9780 {
9781 if (*p == ' ' || *p == '\\')
9782 {
9783 /* insert a backslash */
9784 if (retval != NULL)
9785 retval[len] = '\\';
9786 ++len;
9787 }
9788 if (retval != NULL)
9789 retval[len] = *p;
9790 ++len;
9791 }
9792 }
9793 }
9794
9795 /* second time: break here */
9796 if (retval != NULL)
9797 {
9798 retval[len] = NUL;
9799 break;
9800 }
9801
9802 /* allocate memory */
9803 retval = alloc(len + 1);
9804 if (retval == NULL)
9805 break;
9806 }
9807
9808 return retval;
9809 }
9810
9811 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9812 /*
9813 * Expand the <sfile> string in "arg".
9814 *
9815 * Returns an allocated string, or NULL for any error.
9816 */
9817 char_u *
9818 expand_sfile(arg)
9819 char_u *arg;
9820 {
9821 char_u *errormsg;
9822 int len;
9823 char_u *result;
9824 char_u *newres;
9825 char_u *repl;
9826 int srclen;
9827 char_u *p;
9828
9829 result = vim_strsave(arg);
9830 if (result == NULL)
9831 return NULL;
9832
9833 for (p = result; *p; )
9834 {
9835 if (STRNCMP(p, "<sfile>", 7) != 0)
9836 ++p;
9837 else
9838 {
9839 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9840 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9841 if (errormsg != NULL)
9842 {
9843 if (*errormsg)
9844 emsg(errormsg);
9845 vim_free(result);
9846 return NULL;
9847 }
9848 if (repl == NULL) /* no match (cannot happen) */
9849 {
9850 p += srclen;
9851 continue;
9852 }
9853 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9854 newres = alloc(len);
9855 if (newres == NULL)
9856 {
9857 vim_free(repl);
9858 vim_free(result);
9859 return NULL;
9860 }
9861 mch_memmove(newres, result, (size_t)(p - result));
9862 STRCPY(newres + (p - result), repl);
9863 len = (int)STRLEN(newres);
9864 STRCAT(newres, p + srclen);
9865 vim_free(repl);
9866 vim_free(result);
9867 result = newres;
9868 p = newres + len; /* continue after the match */
9869 }
9870 }
9871
9872 return result;
9873 }
9874 #endif
9875
9876 #ifdef FEAT_SESSION
9877 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9878 win_T *tab_firstwin));
9879 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9880 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9881 static int ses_do_frame __ARGS((frame_T *fr));
9882 static int ses_do_win __ARGS((win_T *wp));
9883 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9884 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9885 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9886
9887 /*
9888 * Write openfile commands for the current buffers to an .exrc file.
9889 * Return FAIL on error, OK otherwise.
9890 */
9891 static int
9892 makeopens(fd, dirnow)
9893 FILE *fd;
9894 char_u *dirnow; /* Current directory name */
9895 {
9896 buf_T *buf;
9897 int only_save_windows = TRUE;
9898 int nr;
9899 int cnr = 1;
9900 int restore_size = TRUE;
9901 win_T *wp;
9902 char_u *sname;
9903 win_T *edited_win = NULL;
9904 int tabnr;
9905 win_T *tab_firstwin;
9906 frame_T *tab_topframe;
9907 int cur_arg_idx = 0;
9908 int next_arg_idx = 0;
9909
9910 if (ssop_flags & SSOP_BUFFERS)
9911 only_save_windows = FALSE; /* Save ALL buffers */
9912
9913 /*
9914 * Begin by setting the this_session variable, and then other
9915 * sessionable variables.
9916 */
9917 #ifdef FEAT_EVAL
9918 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9919 return FAIL;
9920 if (ssop_flags & SSOP_GLOBALS)
9921 if (store_session_globals(fd) == FAIL)
9922 return FAIL;
9923 #endif
9924
9925 /*
9926 * Close all windows but one.
9927 */
9928 if (put_line(fd, "silent only") == FAIL)
9929 return FAIL;
9930
9931 /*
9932 * Now a :cd command to the session directory or the current directory
9933 */
9934 if (ssop_flags & SSOP_SESDIR)
9935 {
9936 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9937 == FAIL)
9938 return FAIL;
9939 }
9940 else if (ssop_flags & SSOP_CURDIR)
9941 {
9942 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9943 if (sname == NULL
9944 || fputs("cd ", fd) < 0
9945 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9946 || put_eol(fd) == FAIL)
9947 {
9948 vim_free(sname);
9949 return FAIL;
9950 }
9951 vim_free(sname);
9952 }
9953
9954 /*
9955 * If there is an empty, unnamed buffer we will wipe it out later.
9956 * Remember the buffer number.
9957 */
9958 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9959 return FAIL;
9960 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9961 return FAIL;
9962 if (put_line(fd, "endif") == FAIL)
9963 return FAIL;
9964
9965 /*
9966 * Now save the current files, current buffer first.
9967 */
9968 if (put_line(fd, "set shortmess=aoO") == FAIL)
9969 return FAIL;
9970
9971 /* Now put the other buffers into the buffer list */
9972 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9973 {
9974 if (!(only_save_windows && buf->b_nwindows == 0)
9975 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9976 && buf->b_fname != NULL
9977 && buf->b_p_bl)
9978 {
9979 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9980 : buf->b_wininfo->wi_fpos.lnum) < 0
9981 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9982 return FAIL;
9983 }
9984 }
9985
9986 /* the global argument list */
9987 if (ses_arglist(fd, "args", &global_alist.al_ga,
9988 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9989 return FAIL;
9990
9991 if (ssop_flags & SSOP_RESIZE)
9992 {
9993 /* Note: after the restore we still check it worked!*/
9994 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9995 || put_eol(fd) == FAIL)
9996 return FAIL;
9997 }
9998
9999 #ifdef FEAT_GUI
10000 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
10001 {
10002 int x, y;
10003
10004 if (gui_mch_get_winpos(&x, &y) == OK)
10005 {
10006 /* Note: after the restore we still check it worked!*/
10007 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10008 return FAIL;
10009 }
10010 }
10011 #endif
10012
10013 /*
10014 * May repeat putting Windows for each tab, when "tabpages" is in
10015 * 'sessionoptions'.
10016 * Don't use goto_tabpage(), it may change directory and trigger
10017 * autocommands.
10018 */
10019 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10020 tab_topframe = topframe;
10021 for (tabnr = 1; ; ++tabnr)
10022 {
10023 int need_tabnew = FALSE;
10024
10025 if ((ssop_flags & SSOP_TABPAGES))
10026 {
10027 tabpage_T *tp = find_tabpage(tabnr);
10028
10029 if (tp == NULL)
10030 break; /* done all tab pages */
10031 if (tp == curtab)
10032 {
10033 tab_firstwin = firstwin;
10034 tab_topframe = topframe;
10035 }
10036 else
10037 {
10038 tab_firstwin = tp->tp_firstwin;
10039 tab_topframe = tp->tp_topframe;
10040 }
10041 if (tabnr > 1)
10042 need_tabnew = TRUE;
10043 }
10044
10045 /*
10046 * Before creating the window layout, try loading one file. If this
10047 * is aborted we don't end up with a number of useless windows.
10048 * This may have side effects! (e.g., compressed or network file).
10049 */
10050 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10051 {
10052 if (ses_do_win(wp)
10053 && wp->w_buffer->b_ffname != NULL
10054 && !wp->w_buffer->b_help
10055 #ifdef FEAT_QUICKFIX
10056 && !bt_nofile(wp->w_buffer)
10057 #endif
10058 )
10059 {
10060 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10061 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10062 return FAIL;
10063 need_tabnew = FALSE;
10064 if (!wp->w_arg_idx_invalid)
10065 edited_win = wp;
10066 break;
10067 }
10068 }
10069
10070 /* If no file got edited create an empty tab page. */
10071 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10072 return FAIL;
10073
10074 /*
10075 * Save current window layout.
10076 */
10077 if (put_line(fd, "set splitbelow splitright") == FAIL)
10078 return FAIL;
10079 if (ses_win_rec(fd, tab_topframe) == FAIL)
10080 return FAIL;
10081 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10082 return FAIL;
10083 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10084 return FAIL;
10085
10086 /*
10087 * Check if window sizes can be restored (no windows omitted).
10088 * Remember the window number of the current window after restoring.
10089 */
10090 nr = 0;
10091 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10092 {
10093 if (ses_do_win(wp))
10094 ++nr;
10095 else
10096 restore_size = FALSE;
10097 if (curwin == wp)
10098 cnr = nr;
10099 }
10100
10101 /* Go to the first window. */
10102 if (put_line(fd, "wincmd t") == FAIL)
10103 return FAIL;
10104
10105 /*
10106 * If more than one window, see if sizes can be restored.
10107 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10108 * resized when moving between windows.
10109 * Do this before restoring the view, so that the topline and the
10110 * cursor can be set. This is done again below.
10111 */
10112 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10113 return FAIL;
10114 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10115 return FAIL;
10116
10117 /*
10118 * Restore the view of the window (options, file, cursor, etc.).
10119 */
10120 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10121 {
10122 if (!ses_do_win(wp))
10123 continue;
10124 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10125 cur_arg_idx) == FAIL)
10126 return FAIL;
10127 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10128 return FAIL;
10129 next_arg_idx = wp->w_arg_idx;
10130 }
10131
10132 /* The argument index in the first tab page is zero, need to set it in
10133 * each window. For further tab pages it's the window where we do
10134 * "tabedit". */
10135 cur_arg_idx = next_arg_idx;
10136
10137 /*
10138 * Restore cursor to the current window if it's not the first one.
10139 */
10140 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10141 || put_eol(fd) == FAIL))
10142 return FAIL;
10143
10144 /*
10145 * Restore window sizes again after jumping around in windows, because
10146 * the current window has a minimum size while others may not.
10147 */
10148 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10149 return FAIL;
10150
10151 /* Don't continue in another tab page when doing only the current one
10152 * or when at the last tab page. */
10153 if (!(ssop_flags & SSOP_TABPAGES))
10154 break;
10155 }
10156
10157 if (ssop_flags & SSOP_TABPAGES)
10158 {
10159 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10160 || put_eol(fd) == FAIL)
10161 return FAIL;
10162 }
10163
10164 /*
10165 * Wipe out an empty unnamed buffer we started in.
10166 */
10167 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10168 return FAIL;
10169 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10170 return FAIL;
10171 if (put_line(fd, "endif") == FAIL)
10172 return FAIL;
10173 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10174 return FAIL;
10175
10176 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10177 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10178 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10179 return FAIL;
10180
10181 /*
10182 * Lastly, execute the x.vim file if it exists.
10183 */
10184 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10185 || put_line(fd, "if file_readable(s:sx)") == FAIL
10186 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10187 || put_line(fd, "endif") == FAIL)
10188 return FAIL;
10189
10190 return OK;
10191 }
10192
10193 static int
10194 ses_winsizes(fd, restore_size, tab_firstwin)
10195 FILE *fd;
10196 int restore_size;
10197 win_T *tab_firstwin;
10198 {
10199 int n = 0;
10200 win_T *wp;
10201
10202 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10203 {
10204 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10205 {
10206 if (!ses_do_win(wp))
10207 continue;
10208 ++n;
10209
10210 /* restore height when not full height */
10211 if (wp->w_height + wp->w_status_height < topframe->fr_height
10212 && (fprintf(fd,
10213 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10214 n, (long)wp->w_height, Rows / 2, Rows) < 0
10215 || put_eol(fd) == FAIL))
10216 return FAIL;
10217
10218 /* restore width when not full width */
10219 if (wp->w_width < Columns && (fprintf(fd,
10220 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10221 n, (long)wp->w_width, Columns / 2, Columns) < 0
10222 || put_eol(fd) == FAIL))
10223 return FAIL;
10224 }
10225 }
10226 else
10227 {
10228 /* Just equalise window sizes */
10229 if (put_line(fd, "wincmd =") == FAIL)
10230 return FAIL;
10231 }
10232 return OK;
10233 }
10234
10235 /*
10236 * Write commands to "fd" to recursively create windows for frame "fr",
10237 * horizontally and vertically split.
10238 * After the commands the last window in the frame is the current window.
10239 * Returns FAIL when writing the commands to "fd" fails.
10240 */
10241 static int
10242 ses_win_rec(fd, fr)
10243 FILE *fd;
10244 frame_T *fr;
10245 {
10246 frame_T *frc;
10247 int count = 0;
10248
10249 if (fr->fr_layout != FR_LEAF)
10250 {
10251 /* Find first frame that's not skipped and then create a window for
10252 * each following one (first frame is already there). */
10253 frc = ses_skipframe(fr->fr_child);
10254 if (frc != NULL)
10255 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10256 {
10257 /* Make window as big as possible so that we have lots of room
10258 * to split. */
10259 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10260 || put_line(fd, fr->fr_layout == FR_COL
10261 ? "split" : "vsplit") == FAIL)
10262 return FAIL;
10263 ++count;
10264 }
10265
10266 /* Go back to the first window. */
10267 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10268 ? "%dwincmd k" : "%dwincmd h", count) < 0
10269 || put_eol(fd) == FAIL))
10270 return FAIL;
10271
10272 /* Recursively create frames/windows in each window of this column or
10273 * row. */
10274 frc = ses_skipframe(fr->fr_child);
10275 while (frc != NULL)
10276 {
10277 ses_win_rec(fd, frc);
10278 frc = ses_skipframe(frc->fr_next);
10279 /* Go to next window. */
10280 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10281 return FAIL;
10282 }
10283 }
10284 return OK;
10285 }
10286
10287 /*
10288 * Skip frames that don't contain windows we want to save in the Session.
10289 * Returns NULL when there none.
10290 */
10291 static frame_T *
10292 ses_skipframe(fr)
10293 frame_T *fr;
10294 {
10295 frame_T *frc;
10296
10297 for (frc = fr; frc != NULL; frc = frc->fr_next)
10298 if (ses_do_frame(frc))
10299 break;
10300 return frc;
10301 }
10302
10303 /*
10304 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10305 * the Session.
10306 */
10307 static int
10308 ses_do_frame(fr)
10309 frame_T *fr;
10310 {
10311 frame_T *frc;
10312
10313 if (fr->fr_layout == FR_LEAF)
10314 return ses_do_win(fr->fr_win);
10315 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10316 if (ses_do_frame(frc))
10317 return TRUE;
10318 return FALSE;
10319 }
10320
10321 /*
10322 * Return non-zero if window "wp" is to be stored in the Session.
10323 */
10324 static int
10325 ses_do_win(wp)
10326 win_T *wp;
10327 {
10328 if (wp->w_buffer->b_fname == NULL
10329 #ifdef FEAT_QUICKFIX
10330 /* When 'buftype' is "nofile" can't restore the window contents. */
10331 || bt_nofile(wp->w_buffer)
10332 #endif
10333 )
10334 return (ssop_flags & SSOP_BLANK);
10335 if (wp->w_buffer->b_help)
10336 return (ssop_flags & SSOP_HELP);
10337 return TRUE;
10338 }
10339
10340 /*
10341 * Write commands to "fd" to restore the view of a window.
10342 * Caller must make sure 'scrolloff' is zero.
10343 */
10344 static int
10345 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10346 FILE *fd;
10347 win_T *wp;
10348 int add_edit; /* add ":edit" command to view */
10349 unsigned *flagp; /* vop_flags or ssop_flags */
10350 int current_arg_idx; /* current argument index of the window, use
10351 * -1 if unknown */
10352 {
10353 win_T *save_curwin;
10354 int f;
10355 int do_cursor;
10356 int did_next = FALSE;
10357
10358 /* Always restore cursor position for ":mksession". For ":mkview" only
10359 * when 'viewoptions' contains "cursor". */
10360 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10361
10362 /*
10363 * Local argument list.
10364 */
10365 if (wp->w_alist == &global_alist)
10366 {
10367 if (put_line(fd, "argglobal") == FAIL)
10368 return FAIL;
10369 }
10370 else
10371 {
10372 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10373 flagp == &vop_flags
10374 || !(*flagp & SSOP_CURDIR)
10375 || wp->w_localdir != NULL, flagp) == FAIL)
10376 return FAIL;
10377 }
10378
10379 /* Only when part of a session: restore the argument index. Some
10380 * arguments may have been deleted, check if the index is valid. */
10381 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10382 && flagp == &ssop_flags)
10383 {
10384 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10385 || put_eol(fd) == FAIL)
10386 return FAIL;
10387 did_next = TRUE;
10388 }
10389
10390 /* Edit the file. Skip this when ":next" already did it. */
10391 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10392 {
10393 /*
10394 * Load the file.
10395 */
10396 if (wp->w_buffer->b_ffname != NULL
10397 #ifdef FEAT_QUICKFIX
10398 && !bt_nofile(wp->w_buffer)
10399 #endif
10400 )
10401 {
10402 /*
10403 * Editing a file in this buffer: use ":edit file".
10404 * This may have side effects! (e.g., compressed or network file).
10405 */
10406 if (fputs("edit ", fd) < 0
10407 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10408 return FAIL;
10409 }
10410 else
10411 {
10412 /* No file in this buffer, just make it empty. */
10413 if (put_line(fd, "enew") == FAIL)
10414 return FAIL;
10415 #ifdef FEAT_QUICKFIX
10416 if (wp->w_buffer->b_ffname != NULL)
10417 {
10418 /* The buffer does have a name, but it's not a file name. */
10419 if (fputs("file ", fd) < 0
10420 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10421 return FAIL;
10422 }
10423 #endif
10424 do_cursor = FALSE;
10425 }
10426 }
10427
10428 /*
10429 * Local mappings and abbreviations.
10430 */
10431 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10432 && makemap(fd, wp->w_buffer) == FAIL)
10433 return FAIL;
10434
10435 /*
10436 * Local options. Need to go to the window temporarily.
10437 * Store only local values when using ":mkview" and when ":mksession" is
10438 * used and 'sessionoptions' doesn't include "options".
10439 * Some folding options are always stored when "folds" is included,
10440 * otherwise the folds would not be restored correctly.
10441 */
10442 save_curwin = curwin;
10443 curwin = wp;
10444 curbuf = curwin->w_buffer;
10445 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10446 f = makeset(fd, OPT_LOCAL,
10447 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10448 #ifdef FEAT_FOLDING
10449 else if (*flagp & SSOP_FOLDS)
10450 f = makefoldset(fd);
10451 #endif
10452 else
10453 f = OK;
10454 curwin = save_curwin;
10455 curbuf = curwin->w_buffer;
10456 if (f == FAIL)
10457 return FAIL;
10458
10459 #ifdef FEAT_FOLDING
10460 /*
10461 * Save Folds when 'buftype' is empty and for help files.
10462 */
10463 if ((*flagp & SSOP_FOLDS)
10464 && wp->w_buffer->b_ffname != NULL
10465 # ifdef FEAT_QUICKFIX
10466 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10467 # endif
10468 )
10469 {
10470 if (put_folds(fd, wp) == FAIL)
10471 return FAIL;
10472 }
10473 #endif
10474
10475 /*
10476 * Set the cursor after creating folds, since that moves the cursor.
10477 */
10478 if (do_cursor)
10479 {
10480
10481 /* Restore the cursor line in the file and relatively in the
10482 * window. Don't use "G", it changes the jumplist. */
10483 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10484 (long)wp->w_cursor.lnum,
10485 (long)(wp->w_cursor.lnum - wp->w_topline),
10486 (long)wp->w_height / 2, (long)wp->w_height) < 0
10487 || put_eol(fd) == FAIL
10488 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10489 || put_line(fd, "exe s:l") == FAIL
10490 || put_line(fd, "normal! zt") == FAIL
10491 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10492 || put_eol(fd) == FAIL)
10493 return FAIL;
10494 /* Restore the cursor column and left offset when not wrapping. */
10495 if (wp->w_cursor.col == 0)
10496 {
10497 if (put_line(fd, "normal! 0") == FAIL)
10498 return FAIL;
10499 }
10500 else
10501 {
10502 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10503 {
10504 if (fprintf(fd,
10505 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10506 (long)wp->w_cursor.col,
10507 (long)(wp->w_cursor.col - wp->w_leftcol),
10508 (long)wp->w_width / 2, (long)wp->w_width) < 0
10509 || put_eol(fd) == FAIL
10510 || put_line(fd, "if s:c > 0") == FAIL
10511 || fprintf(fd,
10512 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10513 (long)wp->w_cursor.col) < 0
10514 || put_eol(fd) == FAIL
10515 || put_line(fd, "else") == FAIL
10516 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10517 || put_eol(fd) == FAIL
10518 || put_line(fd, "endif") == FAIL)
10519 return FAIL;
10520 }
10521 else
10522 {
10523 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10524 || put_eol(fd) == FAIL)
10525 return FAIL;
10526 }
10527 }
10528 }
10529
10530 /*
10531 * Local directory.
10532 */
10533 if (wp->w_localdir != NULL)
10534 {
10535 if (fputs("lcd ", fd) < 0
10536 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10537 || put_eol(fd) == FAIL)
10538 return FAIL;
10539 did_lcd = TRUE;
10540 }
10541
10542 return OK;
10543 }
10544
10545 /*
10546 * Write an argument list to the session file.
10547 * Returns FAIL if writing fails.
10548 */
10549 static int
10550 ses_arglist(fd, cmd, gap, fullname, flagp)
10551 FILE *fd;
10552 char *cmd;
10553 garray_T *gap;
10554 int fullname; /* TRUE: use full path name */
10555 unsigned *flagp;
10556 {
10557 int i;
10558 char_u buf[MAXPATHL];
10559 char_u *s;
10560
10561 if (gap->ga_len == 0)
10562 return put_line(fd, "silent! argdel *");
10563 if (fputs(cmd, fd) < 0)
10564 return FAIL;
10565 for (i = 0; i < gap->ga_len; ++i)
10566 {
10567 /* NULL file names are skipped (only happens when out of memory). */
10568 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10569 if (s != NULL)
10570 {
10571 if (fullname)
10572 {
10573 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10574 s = buf;
10575 }
10576 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10577 return FAIL;
10578 }
10579 }
10580 return put_eol(fd);
10581 }
10582
10583 /*
10584 * Write a buffer name to the session file.
10585 * Also ends the line.
10586 * Returns FAIL if writing fails.
10587 */
10588 static int
10589 ses_fname(fd, buf, flagp)
10590 FILE *fd;
10591 buf_T *buf;
10592 unsigned *flagp;
10593 {
10594 char_u *name;
10595
10596 /* Use the short file name if the current directory is known at the time
10597 * the session file will be sourced.
10598 * Don't do this for ":mkview", we don't know the current directory.
10599 * Don't do this after ":lcd", we don't keep track of what the current
10600 * directory is. */
10601 if (buf->b_sfname != NULL
10602 && flagp == &ssop_flags
10603 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10604 && !did_lcd)
10605 name = buf->b_sfname;
10606 else
10607 name = buf->b_ffname;
10608 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10609 return FAIL;
10610 return OK;
10611 }
10612
10613 /*
10614 * Write a file name to the session file.
10615 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10616 * characters.
10617 * Returns FAIL if writing fails.
10618 */
10619 static int
10620 ses_put_fname(fd, name, flagp)
10621 FILE *fd;
10622 char_u *name;
10623 unsigned *flagp;
10624 {
10625 char_u *sname;
10626 int retval = OK;
10627 int c;
10628
10629 sname = home_replace_save(NULL, name);
10630 if (sname != NULL)
10631 name = sname;
10632 while (*name != NUL)
10633 {
10634 #ifdef FEAT_MBYTE
10635 {
10636 int l;
10637
10638 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10639 {
10640 /* copy a multibyte char */
10641 while (--l >= 0)
10642 {
10643 if (putc(*name, fd) != *name)
10644 retval = FAIL;
10645 ++name;
10646 }
10647 continue;
10648 }
10649 }
10650 #endif
10651 c = *name++;
10652 if (c == '\\' && (*flagp & SSOP_SLASH))
10653 /* change a backslash to a forward slash */
10654 c = '/';
10655 else if ((vim_strchr(escape_chars, c) != NULL
10656 #ifdef BACKSLASH_IN_FILENAME
10657 && c != '\\'
10658 #endif
10659 ) || c == '#' || c == '%')
10660 {
10661 /* escape a special character with a backslash */
10662 if (putc('\\', fd) != '\\')
10663 retval = FAIL;
10664 }
10665 if (putc(c, fd) != c)
10666 retval = FAIL;
10667 }
10668 vim_free(sname);
10669 return retval;
10670 }
10671
10672 /*
10673 * ":loadview [nr]"
10674 */
10675 static void
10676 ex_loadview(eap)
10677 exarg_T *eap;
10678 {
10679 char_u *fname;
10680
10681 fname = get_view_file(*eap->arg);
10682 if (fname != NULL)
10683 {
10684 do_source(fname, FALSE, DOSO_NONE);
10685 vim_free(fname);
10686 }
10687 }
10688
10689 /*
10690 * Get the name of the view file for the current buffer.
10691 */
10692 static char_u *
10693 get_view_file(c)
10694 int c;
10695 {
10696 int len = 0;
10697 char_u *p, *s;
10698 char_u *retval;
10699 char_u *sname;
10700
10701 if (curbuf->b_ffname == NULL)
10702 {
10703 EMSG(_(e_noname));
10704 return NULL;
10705 }
10706 sname = home_replace_save(NULL, curbuf->b_ffname);
10707 if (sname == NULL)
10708 return NULL;
10709
10710 /*
10711 * We want a file name without separators, because we're not going to make
10712 * a directory.
10713 * "normal" path separator -> "=+"
10714 * "=" -> "=="
10715 * ":" path separator -> "=-"
10716 */
10717 for (p = sname; *p; ++p)
10718 if (*p == '=' || vim_ispathsep(*p))
10719 ++len;
10720 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10721 if (retval != NULL)
10722 {
10723 STRCPY(retval, p_vdir);
10724 add_pathsep(retval);
10725 s = retval + STRLEN(retval);
10726 for (p = sname; *p; ++p)
10727 {
10728 if (*p == '=')
10729 {
10730 *s++ = '=';
10731 *s++ = '=';
10732 }
10733 else if (vim_ispathsep(*p))
10734 {
10735 *s++ = '=';
10736 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10737 || defined(VMS)
10738 if (*p == ':')
10739 *s++ = '-';
10740 else
10741 #endif
10742 *s++ = '+';
10743 }
10744 else
10745 *s++ = *p;
10746 }
10747 *s++ = '=';
10748 *s++ = c;
10749 STRCPY(s, ".vim");
10750 }
10751
10752 vim_free(sname);
10753 return retval;
10754 }
10755
10756 #endif /* FEAT_SESSION */
10757
10758 /*
10759 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10760 * Return FAIL for a write error.
10761 */
10762 int
10763 put_eol(fd)
10764 FILE *fd;
10765 {
10766 if (
10767 #ifdef USE_CRNL
10768 (
10769 # ifdef MKSESSION_NL
10770 !mksession_nl &&
10771 # endif
10772 (putc('\r', fd) < 0)) ||
10773 #endif
10774 (putc('\n', fd) < 0))
10775 return FAIL;
10776 return OK;
10777 }
10778
10779 /*
10780 * Write a line to "fd".
10781 * Return FAIL for a write error.
10782 */
10783 int
10784 put_line(fd, s)
10785 FILE *fd;
10786 char *s;
10787 {
10788 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10789 return FAIL;
10790 return OK;
10791 }
10792
10793 #ifdef FEAT_VIMINFO
10794 /*
10795 * ":rviminfo" and ":wviminfo".
10796 */
10797 static void
10798 ex_viminfo(eap)
10799 exarg_T *eap;
10800 {
10801 char_u *save_viminfo;
10802
10803 save_viminfo = p_viminfo;
10804 if (*p_viminfo == NUL)
10805 p_viminfo = (char_u *)"'100";
10806 if (eap->cmdidx == CMD_rviminfo)
10807 {
10808 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10809 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10810 EMSG(_("E195: Cannot open viminfo file for reading"));
10811 }
10812 else
10813 write_viminfo(eap->arg, eap->forceit);
10814 p_viminfo = save_viminfo;
10815 }
10816 #endif
10817
10818 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10819 /*
10820 * Make a dialog message in "buff[IOSIZE]".
10821 * "format" must contain "%s".
10822 */
10823 void
10824 dialog_msg(buff, format, fname)
10825 char_u *buff;
10826 char *format;
10827 char_u *fname;
10828 {
10829 if (fname == NULL)
10830 fname = (char_u *)_("Untitled");
10831 vim_snprintf((char *)buff, IOSIZE, format, fname);
10832 }
10833 #endif
10834
10835 /*
10836 * ":behave {mswin,xterm}"
10837 */
10838 static void
10839 ex_behave(eap)
10840 exarg_T *eap;
10841 {
10842 if (STRCMP(eap->arg, "mswin") == 0)
10843 {
10844 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10845 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10846 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10847 set_option_value((char_u *)"keymodel", 0L,
10848 (char_u *)"startsel,stopsel", 0);
10849 }
10850 else if (STRCMP(eap->arg, "xterm") == 0)
10851 {
10852 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10853 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10854 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10855 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10856 }
10857 else
10858 EMSG2(_(e_invarg2), eap->arg);
10859 }
10860
10861 #ifdef FEAT_AUTOCMD
10862 static int filetype_detect = FALSE;
10863 static int filetype_plugin = FALSE;
10864 static int filetype_indent = FALSE;
10865
10866 /*
10867 * ":filetype [plugin] [indent] {on,off,detect}"
10868 * on: Load the filetype.vim file to install autocommands for file types.
10869 * off: Load the ftoff.vim file to remove all autocommands for file types.
10870 * plugin on: load filetype.vim and ftplugin.vim
10871 * plugin off: load ftplugof.vim
10872 * indent on: load filetype.vim and indent.vim
10873 * indent off: load indoff.vim
10874 */
10875 static void
10876 ex_filetype(eap)
10877 exarg_T *eap;
10878 {
10879 char_u *arg = eap->arg;
10880 int plugin = FALSE;
10881 int indent = FALSE;
10882
10883 if (*eap->arg == NUL)
10884 {
10885 /* Print current status. */
10886 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10887 filetype_detect ? "ON" : "OFF",
10888 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10889 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10890 return;
10891 }
10892
10893 /* Accept "plugin" and "indent" in any order. */
10894 for (;;)
10895 {
10896 if (STRNCMP(arg, "plugin", 6) == 0)
10897 {
10898 plugin = TRUE;
10899 arg = skipwhite(arg + 6);
10900 continue;
10901 }
10902 if (STRNCMP(arg, "indent", 6) == 0)
10903 {
10904 indent = TRUE;
10905 arg = skipwhite(arg + 6);
10906 continue;
10907 }
10908 break;
10909 }
10910 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10911 {
10912 if (*arg == 'o' || !filetype_detect)
10913 {
10914 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10915 filetype_detect = TRUE;
10916 if (plugin)
10917 {
10918 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10919 filetype_plugin = TRUE;
10920 }
10921 if (indent)
10922 {
10923 source_runtime((char_u *)INDENT_FILE, TRUE);
10924 filetype_indent = TRUE;
10925 }
10926 }
10927 if (*arg == 'd')
10928 {
10929 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10930 do_modelines(0);
10931 }
10932 }
10933 else if (STRCMP(arg, "off") == 0)
10934 {
10935 if (plugin || indent)
10936 {
10937 if (plugin)
10938 {
10939 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10940 filetype_plugin = FALSE;
10941 }
10942 if (indent)
10943 {
10944 source_runtime((char_u *)INDOFF_FILE, TRUE);
10945 filetype_indent = FALSE;
10946 }
10947 }
10948 else
10949 {
10950 source_runtime((char_u *)FTOFF_FILE, TRUE);
10951 filetype_detect = FALSE;
10952 }
10953 }
10954 else
10955 EMSG2(_(e_invarg2), arg);
10956 }
10957
10958 /*
10959 * ":setfiletype {name}"
10960 */
10961 static void
10962 ex_setfiletype(eap)
10963 exarg_T *eap;
10964 {
10965 if (!did_filetype)
10966 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10967 }
10968 #endif
10969
10970 /*ARGSUSED*/
10971 static void
10972 ex_digraphs(eap)
10973 exarg_T *eap;
10974 {
10975 #ifdef FEAT_DIGRAPHS
10976 if (*eap->arg != NUL)
10977 putdigraph(eap->arg);
10978 else
10979 listdigraphs();
10980 #else
10981 EMSG(_("E196: No digraphs in this version"));
10982 #endif
10983 }
10984
10985 static void
10986 ex_set(eap)
10987 exarg_T *eap;
10988 {
10989 int flags = 0;
10990
10991 if (eap->cmdidx == CMD_setlocal)
10992 flags = OPT_LOCAL;
10993 else if (eap->cmdidx == CMD_setglobal)
10994 flags = OPT_GLOBAL;
10995 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10996 if (cmdmod.browse && flags == 0)
10997 ex_options(eap);
10998 else
10999 #endif
11000 (void)do_set(eap->arg, flags);
11001 }
11002
11003 #ifdef FEAT_SEARCH_EXTRA
11004 /*
11005 * ":nohlsearch"
11006 */
11007 /*ARGSUSED*/
11008 static void
11009 ex_nohlsearch(eap)
11010 exarg_T *eap;
11011 {
11012 no_hlsearch = TRUE;
11013 redraw_all_later(SOME_VALID);
11014 }
11015
11016 /*
11017 * ":[N]match {group} {pattern}"
11018 * Sets nextcmd to the start of the next command, if any. Also called when
11019 * skipping commands to find the next command.
11020 */
11021 static void
11022 ex_match(eap)
11023 exarg_T *eap;
11024 {
11025 char_u *p;
11026 char_u *g = NULL;
11027 char_u *end;
11028 int c;
11029 int id;
11030
11031 if (eap->line2 <= 3)
11032 id = eap->line2;
11033 else
11034 {
11035 EMSG(e_invcmd);
11036 return;
11037 }
11038
11039 /* First clear any old pattern. */
11040 if (!eap->skip)
11041 match_delete(curwin, id, FALSE);
11042
11043 if (ends_excmd(*eap->arg))
11044 end = eap->arg;
11045 else if ((STRNICMP(eap->arg, "none", 4) == 0
11046 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11047 end = eap->arg + 4;
11048 else
11049 {
11050 p = skiptowhite(eap->arg);
11051 if (!eap->skip)
11052 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11053 p = skipwhite(p);
11054 if (*p == NUL)
11055 {
11056 /* There must be two arguments. */
11057 EMSG2(_(e_invarg2), eap->arg);
11058 return;
11059 }
11060 end = skip_regexp(p + 1, *p, TRUE, NULL);
11061 if (!eap->skip)
11062 {
11063 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11064 {
11065 eap->errmsg = e_trailing;
11066 return;
11067 }
11068 if (*end != *p)
11069 {
11070 EMSG2(_(e_invarg2), p);
11071 return;
11072 }
11073
11074 c = *end;
11075 *end = NUL;
11076 match_add(curwin, g, p + 1, 10, id);
11077 vim_free(g);
11078 *end = c;
11079 }
11080 }
11081 eap->nextcmd = find_nextcmd(end);
11082 }
11083 #endif
11084
11085 #ifdef FEAT_CRYPT
11086 /*
11087 * ":X": Get crypt key
11088 */
11089 /*ARGSUSED*/
11090 static void
11091 ex_X(eap)
11092 exarg_T *eap;
11093 {
11094 (void)get_crypt_key(TRUE, TRUE);
11095 }
11096 #endif
11097
11098 #ifdef FEAT_FOLDING
11099 static void
11100 ex_fold(eap)
11101 exarg_T *eap;
11102 {
11103 if (foldManualAllowed(TRUE))
11104 foldCreate(eap->line1, eap->line2);
11105 }
11106
11107 static void
11108 ex_foldopen(eap)
11109 exarg_T *eap;
11110 {
11111 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11112 eap->forceit, FALSE);
11113 }
11114
11115 static void
11116 ex_folddo(eap)
11117 exarg_T *eap;
11118 {
11119 linenr_T lnum;
11120
11121 /* First set the marks for all lines closed/open. */
11122 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11123 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11124 ml_setmarked(lnum);
11125
11126 /* Execute the command on the marked lines. */
11127 global_exe(eap->arg);
11128 ml_clearmarked(); /* clear rest of the marks */
11129 }
11130 #endif
Vim with various extensions