?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Exit if connection becomes invalid
[MacVim.git] / src / ex_docmd.c
blobfc298985e1789ca46ab16407891a3b507dc0d900
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 scid_T uc_scriptID; /* SID where the command was defined */
30 int uc_compl; /* completion type */
31 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
32 char_u *uc_compl_arg; /* completion argument if any */
33 # endif
34 } ucmd_T;
35
36 #define UC_BUFFER 1 /* -buffer: local to current buffer */
37
38 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
39
40 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
41 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
42
43 static void do_ucmd __ARGS((exarg_T *eap));
44 static void ex_command __ARGS((exarg_T *eap));
45 static void ex_delcommand __ARGS((exarg_T *eap));
46 # ifdef FEAT_CMDL_COMPL
47 static char_u *get_user_command_name __ARGS((int idx));
48 # endif
49
50 #else
51 # define ex_command ex_ni
52 # define ex_comclear ex_ni
53 # define ex_delcommand ex_ni
54 #endif
55
56 #ifdef FEAT_EVAL
57 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
58 #else
59 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
60 static int if_level = 0; /* depth in :if */
61 #endif
62 static char_u *find_command __ARGS((exarg_T *eap, int *full));
63
64 static void ex_abbreviate __ARGS((exarg_T *eap));
65 static void ex_map __ARGS((exarg_T *eap));
66 static void ex_unmap __ARGS((exarg_T *eap));
67 static void ex_mapclear __ARGS((exarg_T *eap));
68 static void ex_abclear __ARGS((exarg_T *eap));
69 #ifndef FEAT_MENU
70 # define ex_emenu ex_ni
71 # define ex_menu ex_ni
72 # define ex_menutranslate ex_ni
73 #endif
74 #ifdef FEAT_AUTOCMD
75 static void ex_autocmd __ARGS((exarg_T *eap));
76 static void ex_doautocmd __ARGS((exarg_T *eap));
77 #else
78 # define ex_autocmd ex_ni
79 # define ex_doautocmd ex_ni
80 # define ex_doautoall ex_ni
81 #endif
82 #ifdef FEAT_LISTCMDS
83 static void ex_bunload __ARGS((exarg_T *eap));
84 static void ex_buffer __ARGS((exarg_T *eap));
85 static void ex_bmodified __ARGS((exarg_T *eap));
86 static void ex_bnext __ARGS((exarg_T *eap));
87 static void ex_bprevious __ARGS((exarg_T *eap));
88 static void ex_brewind __ARGS((exarg_T *eap));
89 static void ex_blast __ARGS((exarg_T *eap));
90 #else
91 # define ex_bunload ex_ni
92 # define ex_buffer ex_ni
93 # define ex_bmodified ex_ni
94 # define ex_bnext ex_ni
95 # define ex_bprevious ex_ni
96 # define ex_brewind ex_ni
97 # define ex_blast ex_ni
98 # define buflist_list ex_ni
99 # define ex_checktime ex_ni
100 #endif
101 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
102 # define ex_buffer_all ex_ni
103 #endif
104 static char_u *getargcmd __ARGS((char_u **));
105 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
106 static int getargopt __ARGS((exarg_T *eap));
107 #ifndef FEAT_QUICKFIX
108 # define ex_make ex_ni
109 # define ex_cbuffer ex_ni
110 # define ex_cc ex_ni
111 # define ex_cnext ex_ni
112 # define ex_cfile ex_ni
113 # define qf_list ex_ni
114 # define qf_age ex_ni
115 # define ex_helpgrep ex_ni
116 # define ex_vimgrep ex_ni
117 #endif
118 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
119 # define ex_cclose ex_ni
120 # define ex_copen ex_ni
121 # define ex_cwindow ex_ni
122 #endif
123 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
124 # define ex_cexpr ex_ni
125 #endif
126
127 static int check_more __ARGS((int, int));
128 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
129 static void get_flags __ARGS((exarg_T *eap));
130 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
131 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
215 || defined(FEAT_GUI_MACVIM))
216 static void ex_popup __ARGS((exarg_T *eap));
217 #else
218 # define ex_popup ex_ni
219 #endif
220 #ifndef FEAT_GUI_MSWIN
221 # define ex_simalt ex_ni
222 #endif
223 #if !(defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) || \
224 defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MACVIM))
225 # define gui_mch_find_dialog ex_ni
226 # define gui_mch_replace_dialog ex_ni
227 #endif
228 #if !defined(FEAT_GUI_GTK)
229 # define ex_helpfind ex_ni
230 #endif
231 #ifndef FEAT_CSCOPE
232 # define do_cscope ex_ni
233 # define do_scscope ex_ni
234 # define do_cstag ex_ni
235 #endif
236 #ifndef FEAT_SYN_HL
237 # define ex_syntax ex_ni
238 #endif
239 #ifndef FEAT_SPELL
240 # define ex_spell ex_ni
241 # define ex_mkspell ex_ni
242 # define ex_spelldump ex_ni
243 # define ex_spellinfo ex_ni
244 # define ex_spellrepall ex_ni
245 #endif
246 #ifndef FEAT_MZSCHEME
247 # define ex_mzscheme ex_script_ni
248 # define ex_mzfile ex_ni
249 #endif
250 #ifndef FEAT_PERL
251 # define ex_perl ex_script_ni
252 # define ex_perldo ex_ni
253 #endif
254 #ifndef FEAT_PYTHON
255 # define ex_python ex_script_ni
256 # define ex_pyfile ex_ni
257 #endif
258 #ifndef FEAT_TCL
259 # define ex_tcl ex_script_ni
260 # define ex_tcldo ex_ni
261 # define ex_tclfile ex_ni
262 #endif
263 #ifndef FEAT_RUBY
264 # define ex_ruby ex_script_ni
265 # define ex_rubydo ex_ni
266 # define ex_rubyfile ex_ni
267 #endif
268 #ifndef FEAT_SNIFF
269 # define ex_sniff ex_ni
270 #endif
271 #ifndef FEAT_KEYMAP
272 # define ex_loadkeymap ex_ni
273 #endif
274 static void ex_swapname __ARGS((exarg_T *eap));
275 static void ex_syncbind __ARGS((exarg_T *eap));
276 static void ex_read __ARGS((exarg_T *eap));
277 static void ex_pwd __ARGS((exarg_T *eap));
278 static void ex_equal __ARGS((exarg_T *eap));
279 static void ex_sleep __ARGS((exarg_T *eap));
280 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
281 static void ex_winsize __ARGS((exarg_T *eap));
282 #ifdef FEAT_WINDOWS
283 static void ex_wincmd __ARGS((exarg_T *eap));
284 #else
285 # define ex_wincmd ex_ni
286 #endif
287 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
288 static void ex_winpos __ARGS((exarg_T *eap));
289 #else
290 # define ex_winpos ex_ni
291 #endif
292 static void ex_operators __ARGS((exarg_T *eap));
293 static void ex_put __ARGS((exarg_T *eap));
294 static void ex_copymove __ARGS((exarg_T *eap));
295 static void ex_may_print __ARGS((exarg_T *eap));
296 static void ex_submagic __ARGS((exarg_T *eap));
297 static void ex_join __ARGS((exarg_T *eap));
298 static void ex_at __ARGS((exarg_T *eap));
299 static void ex_bang __ARGS((exarg_T *eap));
300 static void ex_undo __ARGS((exarg_T *eap));
301 static void ex_redo __ARGS((exarg_T *eap));
302 static void ex_later __ARGS((exarg_T *eap));
303 static void ex_redir __ARGS((exarg_T *eap));
304 static void ex_redraw __ARGS((exarg_T *eap));
305 static void ex_redrawstatus __ARGS((exarg_T *eap));
306 static void close_redir __ARGS((void));
307 static void ex_mkrc __ARGS((exarg_T *eap));
308 static void ex_mark __ARGS((exarg_T *eap));
309 #ifdef FEAT_USR_CMDS
310 static char_u *uc_fun_cmd __ARGS((void));
311 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
312 #endif
313 #ifdef FEAT_EX_EXTRA
314 static void ex_normal __ARGS((exarg_T *eap));
315 static void ex_startinsert __ARGS((exarg_T *eap));
316 static void ex_stopinsert __ARGS((exarg_T *eap));
317 #else
318 # define ex_normal ex_ni
319 # define ex_align ex_ni
320 # define ex_retab ex_ni
321 # define ex_startinsert ex_ni
322 # define ex_stopinsert ex_ni
323 # define ex_helptags ex_ni
324 # define ex_sort ex_ni
325 #endif
326 #ifdef FEAT_FIND_ID
327 static void ex_checkpath __ARGS((exarg_T *eap));
328 static void ex_findpat __ARGS((exarg_T *eap));
329 #else
330 # define ex_findpat ex_ni
331 # define ex_checkpath ex_ni
332 #endif
333 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
334 static void ex_psearch __ARGS((exarg_T *eap));
335 #else
336 # define ex_psearch ex_ni
337 #endif
338 static void ex_tag __ARGS((exarg_T *eap));
339 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
340 #ifndef FEAT_EVAL
341 # define ex_scriptnames ex_ni
342 # define ex_finish ex_ni
343 # define ex_echo ex_ni
344 # define ex_echohl ex_ni
345 # define ex_execute ex_ni
346 # define ex_call ex_ni
347 # define ex_if ex_ni
348 # define ex_endif ex_ni
349 # define ex_else ex_ni
350 # define ex_while ex_ni
351 # define ex_for ex_ni
352 # define ex_continue ex_ni
353 # define ex_break ex_ni
354 # define ex_endwhile ex_ni
355 # define ex_endfor ex_ni
356 # define ex_throw ex_ni
357 # define ex_try ex_ni
358 # define ex_catch ex_ni
359 # define ex_finally ex_ni
360 # define ex_endtry ex_ni
361 # define ex_endfunction ex_ni
362 # define ex_let ex_ni
363 # define ex_unlet ex_ni
364 # define ex_lockvar ex_ni
365 # define ex_unlockvar ex_ni
366 # define ex_function ex_ni
367 # define ex_delfunction ex_ni
368 # define ex_return ex_ni
369 # define ex_oldfiles ex_ni
370 #endif
371 static char_u *arg_all __ARGS((void));
372 #ifdef FEAT_SESSION
373 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
374 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
375 static void ex_loadview __ARGS((exarg_T *eap));
376 static char_u *get_view_file __ARGS((int c));
377 static int did_lcd; /* whether ":lcd" was produced for a session */
378 #else
379 # define ex_loadview ex_ni
380 #endif
381 #ifndef FEAT_EVAL
382 # define ex_compiler ex_ni
383 #endif
384 #ifdef FEAT_VIMINFO
385 static void ex_viminfo __ARGS((exarg_T *eap));
386 #else
387 # define ex_viminfo ex_ni
388 #endif
389 static void ex_behave __ARGS((exarg_T *eap));
390 #ifdef FEAT_AUTOCMD
391 static void ex_filetype __ARGS((exarg_T *eap));
392 static void ex_setfiletype __ARGS((exarg_T *eap));
393 #else
394 # define ex_filetype ex_ni
395 # define ex_setfiletype ex_ni
396 #endif
397 #ifndef FEAT_DIFF
398 # define ex_diffoff ex_ni
399 # define ex_diffpatch ex_ni
400 # define ex_diffgetput ex_ni
401 # define ex_diffsplit ex_ni
402 # define ex_diffthis ex_ni
403 # define ex_diffupdate ex_ni
404 #endif
405 static void ex_digraphs __ARGS((exarg_T *eap));
406 static void ex_set __ARGS((exarg_T *eap));
407 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
408 # define ex_options ex_ni
409 #endif
410 #ifdef FEAT_SEARCH_EXTRA
411 static void ex_nohlsearch __ARGS((exarg_T *eap));
412 static void ex_match __ARGS((exarg_T *eap));
413 #else
414 # define ex_nohlsearch ex_ni
415 # define ex_match ex_ni
416 #endif
417 #ifdef FEAT_CRYPT
418 static void ex_X __ARGS((exarg_T *eap));
419 #else
420 # define ex_X ex_ni
421 #endif
422 #ifdef FEAT_FOLDING
423 static void ex_fold __ARGS((exarg_T *eap));
424 static void ex_foldopen __ARGS((exarg_T *eap));
425 static void ex_folddo __ARGS((exarg_T *eap));
426 #else
427 # define ex_fold ex_ni
428 # define ex_foldopen ex_ni
429 # define ex_folddo ex_ni
430 #endif
431 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
432 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
433 # define ex_language ex_ni
434 #endif
435 #ifndef FEAT_SIGNS
436 # define ex_sign ex_ni
437 #endif
438 #ifndef FEAT_SUN_WORKSHOP
439 # define ex_wsverb ex_ni
440 #endif
441 #ifndef FEAT_NETBEANS_INTG
442 # define ex_nbkey ex_ni
443 #endif
444
445 #ifndef FEAT_EVAL
446 # define ex_debug ex_ni
447 # define ex_breakadd ex_ni
448 # define ex_debuggreedy ex_ni
449 # define ex_breakdel ex_ni
450 # define ex_breaklist ex_ni
451 #endif
452
453 #ifndef FEAT_CMDHIST
454 # define ex_history ex_ni
455 #endif
456 #ifndef FEAT_JUMPLIST
457 # define ex_jumps ex_ni
458 # define ex_changes ex_ni
459 #endif
460
461 #ifndef FEAT_PROFILE
462 # define ex_profile ex_ni
463 #endif
464
465 #ifndef FEAT_GUI_MACVIM
466 # define ex_macaction ex_ni
467 # define ex_macmenu ex_ni
468 #endif
469
470 /*
471 * Declare cmdnames[].
472 */
473 #define DO_DECLARE_EXCMD
474 #include "ex_cmds.h"
475
476 /*
477 * Table used to quickly search for a command, based on its first character.
478 */
479 static cmdidx_T cmdidxs[27] =
480 {
481 CMD_append,
482 CMD_buffer,
483 CMD_change,
484 CMD_delete,
485 CMD_edit,
486 CMD_file,
487 CMD_global,
488 CMD_help,
489 CMD_insert,
490 CMD_join,
491 CMD_k,
492 CMD_list,
493 CMD_move,
494 CMD_next,
495 CMD_open,
496 CMD_print,
497 CMD_quit,
498 CMD_read,
499 CMD_substitute,
500 CMD_t,
501 CMD_undo,
502 CMD_vglobal,
503 CMD_write,
504 CMD_xit,
505 CMD_yank,
506 CMD_z,
507 CMD_bang
508 };
509
510 static char_u dollar_command[2] = {'$', 0};
511
512
513 #ifdef FEAT_EVAL
514 /* Struct for storing a line inside a while/for loop */
515 typedef struct
516 {
517 char_u *line; /* command line */
518 linenr_T lnum; /* sourcing_lnum of the line */
519 } wcmd_T;
520
521 /*
522 * Structure used to store info for line position in a while or for loop.
523 * This is required, because do_one_cmd() may invoke ex_function(), which
524 * reads more lines that may come from the while/for loop.
525 */
526 struct loop_cookie
527 {
528 garray_T *lines_gap; /* growarray with line info */
529 int current_line; /* last read line from growarray */
530 int repeating; /* TRUE when looping a second time */
531 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
532 char_u *(*getline) __ARGS((int, void *, int));
533 void *cookie;
534 };
535
536 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
537 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
538 static void free_cmdlines __ARGS((garray_T *gap));
539
540 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
541 struct dbg_stuff
542 {
543 int trylevel;
544 int force_abort;
545 except_T *caught_stack;
546 char_u *vv_exception;
547 char_u *vv_throwpoint;
548 int did_emsg;
549 int got_int;
550 int did_throw;
551 int need_rethrow;
552 int check_cstack;
553 except_T *current_exception;
554 };
555
556 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
557 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
558
559 static void
560 save_dbg_stuff(dsp)
561 struct dbg_stuff *dsp;
562 {
563 dsp->trylevel = trylevel; trylevel = 0;
564 dsp->force_abort = force_abort; force_abort = FALSE;
565 dsp->caught_stack = caught_stack; caught_stack = NULL;
566 dsp->vv_exception = v_exception(NULL);
567 dsp->vv_throwpoint = v_throwpoint(NULL);
568
569 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
570 dsp->did_emsg = did_emsg; did_emsg = FALSE;
571 dsp->got_int = got_int; got_int = FALSE;
572 dsp->did_throw = did_throw; did_throw = FALSE;
573 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
574 dsp->check_cstack = check_cstack; check_cstack = FALSE;
575 dsp->current_exception = current_exception; current_exception = NULL;
576 }
577
578 static void
579 restore_dbg_stuff(dsp)
580 struct dbg_stuff *dsp;
581 {
582 suppress_errthrow = FALSE;
583 trylevel = dsp->trylevel;
584 force_abort = dsp->force_abort;
585 caught_stack = dsp->caught_stack;
586 (void)v_exception(dsp->vv_exception);
587 (void)v_throwpoint(dsp->vv_throwpoint);
588 did_emsg = dsp->did_emsg;
589 got_int = dsp->got_int;
590 did_throw = dsp->did_throw;
591 need_rethrow = dsp->need_rethrow;
592 check_cstack = dsp->check_cstack;
593 current_exception = dsp->current_exception;
594 }
595 #endif
596
597
598 /*
599 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
600 * command is given.
601 */
602 void
603 do_exmode(improved)
604 int improved; /* TRUE for "improved Ex" mode */
605 {
606 int save_msg_scroll;
607 int prev_msg_row;
608 linenr_T prev_line;
609 int changedtick;
610
611 if (improved)
612 exmode_active = EXMODE_VIM;
613 else
614 exmode_active = EXMODE_NORMAL;
615 State = NORMAL;
616
617 /* When using ":global /pat/ visual" and then "Q" we return to continue
618 * the :global command. */
619 if (global_busy)
620 return;
621
622 save_msg_scroll = msg_scroll;
623 ++RedrawingDisabled; /* don't redisplay the window */
624 ++no_wait_return; /* don't wait for return */
625 #ifdef FEAT_GUI
626 /* Ignore scrollbar and mouse events in Ex mode */
627 ++hold_gui_events;
628 #endif
629 #ifdef FEAT_SNIFF
630 want_sniff_request = 0; /* No K_SNIFF wanted */
631 #endif
632
633 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
634 while (exmode_active)
635 {
636 #ifdef FEAT_EX_EXTRA
637 /* Check for a ":normal" command and no more characters left. */
638 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
639 {
640 exmode_active = FALSE;
641 break;
642 }
643 #endif
644 msg_scroll = TRUE;
645 need_wait_return = FALSE;
646 ex_pressedreturn = FALSE;
647 ex_no_reprint = FALSE;
648 changedtick = curbuf->b_changedtick;
649 prev_msg_row = msg_row;
650 prev_line = curwin->w_cursor.lnum;
651 #ifdef FEAT_SNIFF
652 ProcessSniffRequests();
653 #endif
654 if (improved)
655 {
656 cmdline_row = msg_row;
657 do_cmdline(NULL, getexline, NULL, 0);
658 }
659 else
660 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
661 lines_left = Rows - 1;
662
663 if ((prev_line != curwin->w_cursor.lnum
664 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
665 {
666 if (curbuf->b_ml.ml_flags & ML_EMPTY)
667 EMSG(_(e_emptybuf));
668 else
669 {
670 if (ex_pressedreturn)
671 {
672 /* go up one line, to overwrite the ":<CR>" line, so the
673 * output doesn't contain empty lines. */
674 msg_row = prev_msg_row;
675 if (prev_msg_row == Rows - 1)
676 msg_row--;
677 }
678 msg_col = 0;
679 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
680 msg_clr_eos();
681 }
682 }
683 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
684 {
685 if (curbuf->b_ml.ml_flags & ML_EMPTY)
686 EMSG(_(e_emptybuf));
687 else
688 EMSG(_("E501: At end-of-file"));
689 }
690 }
691
692 #ifdef FEAT_GUI
693 --hold_gui_events;
694 #endif
695 --RedrawingDisabled;
696 --no_wait_return;
697 update_screen(CLEAR);
698 need_wait_return = FALSE;
699 msg_scroll = save_msg_scroll;
700 }
701
702 /*
703 * Execute a simple command line. Used for translated commands like "*".
704 */
705 int
706 do_cmdline_cmd(cmd)
707 char_u *cmd;
708 {
709 return do_cmdline(cmd, NULL, NULL,
710 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
711 }
712
713 /*
714 * do_cmdline(): execute one Ex command line
715 *
716 * 1. Execute "cmdline" when it is not NULL.
717 * If "cmdline" is NULL, or more lines are needed, getline() is used.
718 * 2. Split up in parts separated with '|'.
719 *
720 * This function can be called recursively!
721 *
722 * flags:
723 * DOCMD_VERBOSE - The command will be included in the error message.
724 * DOCMD_NOWAIT - Don't call wait_return() and friends.
725 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
726 * DOCMD_KEYTYPED - Don't reset KeyTyped.
727 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
728 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
729 *
730 * return FAIL if cmdline could not be executed, OK otherwise
731 */
732 int
733 do_cmdline(cmdline, getline, cookie, flags)
734 char_u *cmdline;
735 char_u *(*getline) __ARGS((int, void *, int));
736 void *cookie; /* argument for getline() */
737 int flags;
738 {
739 char_u *next_cmdline; /* next cmd to execute */
740 char_u *cmdline_copy = NULL; /* copy of cmd line */
741 int used_getline = FALSE; /* used "getline" to obtain command */
742 static int recursive = 0; /* recursive depth */
743 int msg_didout_before_start = 0;
744 int count = 0; /* line number count */
745 int did_inc = FALSE; /* incremented RedrawingDisabled */
746 int retval = OK;
747 #ifdef FEAT_EVAL
748 struct condstack cstack; /* conditional stack */
749 garray_T lines_ga; /* keep lines for ":while"/":for" */
750 int current_line = 0; /* active line in lines_ga */
751 char_u *fname = NULL; /* function or script name */
752 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
753 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
754 struct dbg_stuff debug_saved; /* saved things for debug mode */
755 int initial_trylevel;
756 struct msglist **saved_msg_list = NULL;
757 struct msglist *private_msg_list;
758
759 /* "getline" and "cookie" passed to do_one_cmd() */
760 char_u *(*cmd_getline) __ARGS((int, void *, int));
761 void *cmd_cookie;
762 struct loop_cookie cmd_loop_cookie;
763 void *real_cookie;
764 int getline_is_func;
765 #else
766 # define cmd_getline getline
767 # define cmd_cookie cookie
768 #endif
769 static int call_depth = 0; /* recursiveness */
770
771 #ifdef FEAT_EVAL
772 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
773 * location for storing error messages to be converted to an exception.
774 * This ensures that the do_errthrow() call in do_one_cmd() does not
775 * combine the messages stored by an earlier invocation of do_one_cmd()
776 * with the command name of the later one. This would happen when
777 * BufWritePost autocommands are executed after a write error. */
778 saved_msg_list = msg_list;
779 msg_list = &private_msg_list;
780 private_msg_list = NULL;
781 #endif
782
783 /* It's possible to create an endless loop with ":execute", catch that
784 * here. The value of 200 allows nested function calls, ":source", etc. */
785 if (call_depth == 200)
786 {
787 EMSG(_("E169: Command too recursive"));
788 #ifdef FEAT_EVAL
789 /* When converting to an exception, we do not include the command name
790 * since this is not an error of the specific command. */
791 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
792 msg_list = saved_msg_list;
793 #endif
794 return FAIL;
795 }
796 ++call_depth;
797
798 #ifdef FEAT_EVAL
799 cstack.cs_idx = -1;
800 cstack.cs_looplevel = 0;
801 cstack.cs_trylevel = 0;
802 cstack.cs_emsg_silent_list = NULL;
803 cstack.cs_lflags = 0;
804 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
805
806 real_cookie = getline_cookie(getline, cookie);
807
808 /* Inside a function use a higher nesting level. */
809 getline_is_func = getline_equal(getline, cookie, get_func_line);
810 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
811 ++ex_nesting_level;
812
813 /* Get the function or script name and the address where the next breakpoint
814 * line and the debug tick for a function or script are stored. */
815 if (getline_is_func)
816 {
817 fname = func_name(real_cookie);
818 breakpoint = func_breakpoint(real_cookie);
819 dbg_tick = func_dbg_tick(real_cookie);
820 }
821 else if (getline_equal(getline, cookie, getsourceline))
822 {
823 fname = sourcing_name;
824 breakpoint = source_breakpoint(real_cookie);
825 dbg_tick = source_dbg_tick(real_cookie);
826 }
827
828 /*
829 * Initialize "force_abort" and "suppress_errthrow" at the top level.
830 */
831 if (!recursive)
832 {
833 force_abort = FALSE;
834 suppress_errthrow = FALSE;
835 }
836
837 /*
838 * If requested, store and reset the global values controlling the
839 * exception handling (used when debugging). Otherwise clear it to avoid
840 * a bogus compiler warning when the optimizer uses inline functions...
841 */
842 if (flags & DOCMD_EXCRESET)
843 save_dbg_stuff(&debug_saved);
844 else
845 memset(&debug_saved, 0, 1);
846
847 initial_trylevel = trylevel;
848
849 /*
850 * "did_throw" will be set to TRUE when an exception is being thrown.
851 */
852 did_throw = FALSE;
853 #endif
854 /*
855 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
856 * cancel the whole command line, and any if/endif or loop.
857 * If force_abort is set, we cancel everything.
858 */
859 did_emsg = FALSE;
860
861 /*
862 * KeyTyped is only set when calling vgetc(). Reset it here when not
863 * calling vgetc() (sourced command lines).
864 */
865 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
866 KeyTyped = FALSE;
867
868 /*
869 * Continue executing command lines:
870 * - when inside an ":if", ":while" or ":for"
871 * - for multiple commands on one line, separated with '|'
872 * - when repeating until there are no more lines (for ":source")
873 */
874 next_cmdline = cmdline;
875 do
876 {
877 #ifdef FEAT_EVAL
878 getline_is_func = getline_equal(getline, cookie, get_func_line);
879 #endif
880
881 /* stop skipping cmds for an error msg after all endif/while/for */
882 if (next_cmdline == NULL
883 #ifdef FEAT_EVAL
884 && !force_abort
885 && cstack.cs_idx < 0
886 && !(getline_is_func && func_has_abort(real_cookie))
887 #endif
888 )
889 did_emsg = FALSE;
890
891 /*
892 * 1. If repeating a line in a loop, get a line from lines_ga.
893 * 2. If no line given: Get an allocated line with getline().
894 * 3. If a line is given: Make a copy, so we can mess with it.
895 */
896
897 #ifdef FEAT_EVAL
898 /* 1. If repeating, get a previous line from lines_ga. */
899 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
900 {
901 /* Each '|' separated command is stored separately in lines_ga, to
902 * be able to jump to it. Don't use next_cmdline now. */
903 vim_free(cmdline_copy);
904 cmdline_copy = NULL;
905
906 /* Check if a function has returned or, unless it has an unclosed
907 * try conditional, aborted. */
908 if (getline_is_func)
909 {
910 # ifdef FEAT_PROFILE
911 if (do_profiling == PROF_YES)
912 func_line_end(real_cookie);
913 # endif
914 if (func_has_ended(real_cookie))
915 {
916 retval = FAIL;
917 break;
918 }
919 }
920 #ifdef FEAT_PROFILE
921 else if (do_profiling == PROF_YES
922 && getline_equal(getline, cookie, getsourceline))
923 script_line_end();
924 #endif
925
926 /* Check if a sourced file hit a ":finish" command. */
927 if (source_finished(getline, cookie))
928 {
929 retval = FAIL;
930 break;
931 }
932
933 /* If breakpoints have been added/deleted need to check for it. */
934 if (breakpoint != NULL && dbg_tick != NULL
935 && *dbg_tick != debug_tick)
936 {
937 *breakpoint = dbg_find_breakpoint(
938 getline_equal(getline, cookie, getsourceline),
939 fname, sourcing_lnum);
940 *dbg_tick = debug_tick;
941 }
942
943 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
944 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
945
946 /* Did we encounter a breakpoint? */
947 if (breakpoint != NULL && *breakpoint != 0
948 && *breakpoint <= sourcing_lnum)
949 {
950 dbg_breakpoint(fname, sourcing_lnum);
951 /* Find next breakpoint. */
952 *breakpoint = dbg_find_breakpoint(
953 getline_equal(getline, cookie, getsourceline),
954 fname, sourcing_lnum);
955 *dbg_tick = debug_tick;
956 }
957 # ifdef FEAT_PROFILE
958 if (do_profiling == PROF_YES)
959 {
960 if (getline_is_func)
961 func_line_start(real_cookie);
962 else if (getline_equal(getline, cookie, getsourceline))
963 script_line_start();
964 }
965 # endif
966 }
967
968 if (cstack.cs_looplevel > 0)
969 {
970 /* Inside a while/for loop we need to store the lines and use them
971 * again. Pass a different "getline" function to do_one_cmd()
972 * below, so that it stores lines in or reads them from
973 * "lines_ga". Makes it possible to define a function inside a
974 * while/for loop. */
975 cmd_getline = get_loop_line;
976 cmd_cookie = (void *)&cmd_loop_cookie;
977 cmd_loop_cookie.lines_gap = &lines_ga;
978 cmd_loop_cookie.current_line = current_line;
979 cmd_loop_cookie.getline = getline;
980 cmd_loop_cookie.cookie = cookie;
981 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
982 }
983 else
984 {
985 cmd_getline = getline;
986 cmd_cookie = cookie;
987 }
988 #endif
989
990 /* 2. If no line given, get an allocated line with getline(). */
991 if (next_cmdline == NULL)
992 {
993 /*
994 * Need to set msg_didout for the first line after an ":if",
995 * otherwise the ":if" will be overwritten.
996 */
997 if (count == 1 && getline_equal(getline, cookie, getexline))
998 msg_didout = TRUE;
999 if (getline == NULL || (next_cmdline = getline(':', cookie,
1000 #ifdef FEAT_EVAL
1001 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1002 #else
1003 0
1004 #endif
1005 )) == NULL)
1006 {
1007 /* Don't call wait_return for aborted command line. The NULL
1008 * returned for the end of a sourced file or executed function
1009 * doesn't do this. */
1010 if (KeyTyped && !(flags & DOCMD_REPEAT))
1011 need_wait_return = FALSE;
1012 retval = FAIL;
1013 break;
1014 }
1015 used_getline = TRUE;
1016
1017 /*
1018 * Keep the first typed line. Clear it when more lines are typed.
1019 */
1020 if (flags & DOCMD_KEEPLINE)
1021 {
1022 vim_free(repeat_cmdline);
1023 if (count == 0)
1024 repeat_cmdline = vim_strsave(next_cmdline);
1025 else
1026 repeat_cmdline = NULL;
1027 }
1028 }
1029
1030 /* 3. Make a copy of the command so we can mess with it. */
1031 else if (cmdline_copy == NULL)
1032 {
1033 next_cmdline = vim_strsave(next_cmdline);
1034 if (next_cmdline == NULL)
1035 {
1036 EMSG(_(e_outofmem));
1037 retval = FAIL;
1038 break;
1039 }
1040 }
1041 cmdline_copy = next_cmdline;
1042
1043 #ifdef FEAT_EVAL
1044 /*
1045 * Save the current line when inside a ":while" or ":for", and when
1046 * the command looks like a ":while" or ":for", because we may need it
1047 * later. When there is a '|' and another command, it is stored
1048 * separately, because we need to be able to jump back to it from an
1049 * :endwhile/:endfor.
1050 */
1051 if (current_line == lines_ga.ga_len
1052 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1053 {
1054 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1055 {
1056 retval = FAIL;
1057 break;
1058 }
1059 }
1060 did_endif = FALSE;
1061 #endif
1062
1063 if (count++ == 0)
1064 {
1065 /*
1066 * All output from the commands is put below each other, without
1067 * waiting for a return. Don't do this when executing commands
1068 * from a script or when being called recursive (e.g. for ":e
1069 * +command file").
1070 */
1071 if (!(flags & DOCMD_NOWAIT) && !recursive)
1072 {
1073 msg_didout_before_start = msg_didout;
1074 msg_didany = FALSE; /* no output yet */
1075 msg_start();
1076 msg_scroll = TRUE; /* put messages below each other */
1077 ++no_wait_return; /* dont wait for return until finished */
1078 ++RedrawingDisabled;
1079 did_inc = TRUE;
1080 }
1081 }
1082
1083 if (p_verbose >= 15 && sourcing_name != NULL)
1084 {
1085 ++no_wait_return;
1086 verbose_enter_scroll();
1087
1088 smsg((char_u *)_("line %ld: %s"),
1089 (long)sourcing_lnum, cmdline_copy);
1090 if (msg_silent == 0)
1091 msg_puts((char_u *)"\n"); /* don't overwrite this */
1092
1093 verbose_leave_scroll();
1094 --no_wait_return;
1095 }
1096
1097 /*
1098 * 2. Execute one '|' separated command.
1099 * do_one_cmd() will return NULL if there is no trailing '|'.
1100 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1101 */
1102 ++recursive;
1103 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1104 #ifdef FEAT_EVAL
1105 &cstack,
1106 #endif
1107 cmd_getline, cmd_cookie);
1108 --recursive;
1109
1110 #ifdef FEAT_EVAL
1111 if (cmd_cookie == (void *)&cmd_loop_cookie)
1112 /* Use "current_line" from "cmd_loop_cookie", it may have been
1113 * incremented when defining a function. */
1114 current_line = cmd_loop_cookie.current_line;
1115 #endif
1116
1117 if (next_cmdline == NULL)
1118 {
1119 vim_free(cmdline_copy);
1120 cmdline_copy = NULL;
1121 #ifdef FEAT_CMDHIST
1122 /*
1123 * If the command was typed, remember it for the ':' register.
1124 * Do this AFTER executing the command to make :@: work.
1125 */
1126 if (getline_equal(getline, cookie, getexline)
1127 && new_last_cmdline != NULL)
1128 {
1129 vim_free(last_cmdline);
1130 last_cmdline = new_last_cmdline;
1131 new_last_cmdline = NULL;
1132 }
1133 #endif
1134 }
1135 else
1136 {
1137 /* need to copy the command after the '|' to cmdline_copy, for the
1138 * next do_one_cmd() */
1139 STRMOVE(cmdline_copy, next_cmdline);
1140 next_cmdline = cmdline_copy;
1141 }
1142
1143
1144 #ifdef FEAT_EVAL
1145 /* reset did_emsg for a function that is not aborted by an error */
1146 if (did_emsg && !force_abort
1147 && getline_equal(getline, cookie, get_func_line)
1148 && !func_has_abort(real_cookie))
1149 did_emsg = FALSE;
1150
1151 if (cstack.cs_looplevel > 0)
1152 {
1153 ++current_line;
1154
1155 /*
1156 * An ":endwhile", ":endfor" and ":continue" is handled here.
1157 * If we were executing commands, jump back to the ":while" or
1158 * ":for".
1159 * If we were not executing commands, decrement cs_looplevel.
1160 */
1161 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1162 {
1163 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1164
1165 /* Jump back to the matching ":while" or ":for". Be careful
1166 * not to use a cs_line[] from an entry that isn't a ":while"
1167 * or ":for": It would make "current_line" invalid and can
1168 * cause a crash. */
1169 if (!did_emsg && !got_int && !did_throw
1170 && cstack.cs_idx >= 0
1171 && (cstack.cs_flags[cstack.cs_idx]
1172 & (CSF_WHILE | CSF_FOR))
1173 && cstack.cs_line[cstack.cs_idx] >= 0
1174 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1175 {
1176 current_line = cstack.cs_line[cstack.cs_idx];
1177 /* remember we jumped there */
1178 cstack.cs_lflags |= CSL_HAD_LOOP;
1179 line_breakcheck(); /* check if CTRL-C typed */
1180
1181 /* Check for the next breakpoint at or after the ":while"
1182 * or ":for". */
1183 if (breakpoint != NULL)
1184 {
1185 *breakpoint = dbg_find_breakpoint(
1186 getline_equal(getline, cookie, getsourceline),
1187 fname,
1188 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1189 *dbg_tick = debug_tick;
1190 }
1191 }
1192 else
1193 {
1194 /* can only get here with ":endwhile" or ":endfor" */
1195 if (cstack.cs_idx >= 0)
1196 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1197 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1198 }
1199 }
1200
1201 /*
1202 * For a ":while" or ":for" we need to remember the line number.
1203 */
1204 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1205 {
1206 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1207 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1208 }
1209 }
1210
1211 /*
1212 * When not inside any ":while" loop, clear remembered lines.
1213 */
1214 if (cstack.cs_looplevel == 0)
1215 {
1216 if (lines_ga.ga_len > 0)
1217 {
1218 sourcing_lnum =
1219 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1220 free_cmdlines(&lines_ga);
1221 }
1222 current_line = 0;
1223 }
1224
1225 /*
1226 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1227 * being restored at the ":endtry". Reset them here and set the
1228 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1229 * This includes the case where a missing ":endif", ":endwhile" or
1230 * ":endfor" was detected by the ":finally" itself.
1231 */
1232 if (cstack.cs_lflags & CSL_HAD_FINA)
1233 {
1234 cstack.cs_lflags &= ~CSL_HAD_FINA;
1235 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1236 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1237 did_throw ? (void *)current_exception : NULL);
1238 did_emsg = got_int = did_throw = FALSE;
1239 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1240 }
1241
1242 /* Update global "trylevel" for recursive calls to do_cmdline() from
1243 * within this loop. */
1244 trylevel = initial_trylevel + cstack.cs_trylevel;
1245
1246 /*
1247 * If the outermost try conditional (across function calls and sourced
1248 * files) is aborted because of an error, an interrupt, or an uncaught
1249 * exception, cancel everything. If it is left normally, reset
1250 * force_abort to get the non-EH compatible abortion behavior for
1251 * the rest of the script.
1252 */
1253 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1254 force_abort = FALSE;
1255
1256 /* Convert an interrupt to an exception if appropriate. */
1257 (void)do_intthrow(&cstack);
1258 #endif /* FEAT_EVAL */
1259
1260 }
1261 /*
1262 * Continue executing command lines when:
1263 * - no CTRL-C typed, no aborting error, no exception thrown or try
1264 * conditionals need to be checked for executing finally clauses or
1265 * catching an interrupt exception
1266 * - didn't get an error message or lines are not typed
1267 * - there is a command after '|', inside a :if, :while, :for or :try, or
1268 * looping for ":source" command or function call.
1269 */
1270 while (!((got_int
1271 #ifdef FEAT_EVAL
1272 || (did_emsg && force_abort) || did_throw
1273 #endif
1274 )
1275 #ifdef FEAT_EVAL
1276 && cstack.cs_trylevel == 0
1277 #endif
1278 )
1279 && !(did_emsg && used_getline
1280 && (getline_equal(getline, cookie, getexmodeline)
1281 || getline_equal(getline, cookie, getexline)))
1282 && (next_cmdline != NULL
1283 #ifdef FEAT_EVAL
1284 || cstack.cs_idx >= 0
1285 #endif
1286 || (flags & DOCMD_REPEAT)));
1287
1288 vim_free(cmdline_copy);
1289 #ifdef FEAT_EVAL
1290 free_cmdlines(&lines_ga);
1291 ga_clear(&lines_ga);
1292
1293 if (cstack.cs_idx >= 0)
1294 {
1295 /*
1296 * If a sourced file or executed function ran to its end, report the
1297 * unclosed conditional.
1298 */
1299 if (!got_int && !did_throw
1300 && ((getline_equal(getline, cookie, getsourceline)
1301 && !source_finished(getline, cookie))
1302 || (getline_equal(getline, cookie, get_func_line)
1303 && !func_has_ended(real_cookie))))
1304 {
1305 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1306 EMSG(_(e_endtry));
1307 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1308 EMSG(_(e_endwhile));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1310 EMSG(_(e_endfor));
1311 else
1312 EMSG(_(e_endif));
1313 }
1314
1315 /*
1316 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1317 * ":endtry" in a sourced file or executed function. If the try
1318 * conditional is in its finally clause, ignore anything pending.
1319 * If it is in a catch clause, finish the caught exception.
1320 * Also cleanup any "cs_forinfo" structures.
1321 */
1322 do
1323 {
1324 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1325
1326 if (idx >= 0)
1327 --idx; /* remove try block not in its finally clause */
1328 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1329 &cstack.cs_looplevel);
1330 }
1331 while (cstack.cs_idx >= 0);
1332 trylevel = initial_trylevel;
1333 }
1334
1335 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1336 * lack was reported above and the error message is to be converted to an
1337 * exception, do this now after rewinding the cstack. */
1338 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1339 ? (char_u *)"endfunction" : (char_u *)NULL);
1340
1341 if (trylevel == 0)
1342 {
1343 /*
1344 * When an exception is being thrown out of the outermost try
1345 * conditional, discard the uncaught exception, disable the conversion
1346 * of interrupts or errors to exceptions, and ensure that no more
1347 * commands are executed.
1348 */
1349 if (did_throw)
1350 {
1351 void *p = NULL;
1352 char_u *saved_sourcing_name;
1353 int saved_sourcing_lnum;
1354 struct msglist *messages = NULL, *next;
1355
1356 /*
1357 * If the uncaught exception is a user exception, report it as an
1358 * error. If it is an error exception, display the saved error
1359 * message now. For an interrupt exception, do nothing; the
1360 * interrupt message is given elsewhere.
1361 */
1362 switch (current_exception->type)
1363 {
1364 case ET_USER:
1365 vim_snprintf((char *)IObuff, IOSIZE,
1366 _("E605: Exception not caught: %s"),
1367 current_exception->value);
1368 p = vim_strsave(IObuff);
1369 break;
1370 case ET_ERROR:
1371 messages = current_exception->messages;
1372 current_exception->messages = NULL;
1373 break;
1374 case ET_INTERRUPT:
1375 break;
1376 default:
1377 p = vim_strsave((char_u *)_(e_internal));
1378 }
1379
1380 saved_sourcing_name = sourcing_name;
1381 saved_sourcing_lnum = sourcing_lnum;
1382 sourcing_name = current_exception->throw_name;
1383 sourcing_lnum = current_exception->throw_lnum;
1384 current_exception->throw_name = NULL;
1385
1386 discard_current_exception(); /* uses IObuff if 'verbose' */
1387 suppress_errthrow = TRUE;
1388 force_abort = TRUE;
1389
1390 if (messages != NULL)
1391 {
1392 do
1393 {
1394 next = messages->next;
1395 emsg(messages->msg);
1396 vim_free(messages->msg);
1397 vim_free(messages);
1398 messages = next;
1399 }
1400 while (messages != NULL);
1401 }
1402 else if (p != NULL)
1403 {
1404 emsg(p);
1405 vim_free(p);
1406 }
1407 vim_free(sourcing_name);
1408 sourcing_name = saved_sourcing_name;
1409 sourcing_lnum = saved_sourcing_lnum;
1410 }
1411
1412 /*
1413 * On an interrupt or an aborting error not converted to an exception,
1414 * disable the conversion of errors to exceptions. (Interrupts are not
1415 * converted any more, here.) This enables also the interrupt message
1416 * when force_abort is set and did_emsg unset in case of an interrupt
1417 * from a finally clause after an error.
1418 */
1419 else if (got_int || (did_emsg && force_abort))
1420 suppress_errthrow = TRUE;
1421 }
1422
1423 /*
1424 * The current cstack will be freed when do_cmdline() returns. An uncaught
1425 * exception will have to be rethrown in the previous cstack. If a function
1426 * has just returned or a script file was just finished and the previous
1427 * cstack belongs to the same function or, respectively, script file, it
1428 * will have to be checked for finally clauses to be executed due to the
1429 * ":return" or ":finish". This is done in do_one_cmd().
1430 */
1431 if (did_throw)
1432 need_rethrow = TRUE;
1433 if ((getline_equal(getline, cookie, getsourceline)
1434 && ex_nesting_level > source_level(real_cookie))
1435 || (getline_equal(getline, cookie, get_func_line)
1436 && ex_nesting_level > func_level(real_cookie) + 1))
1437 {
1438 if (!did_throw)
1439 check_cstack = TRUE;
1440 }
1441 else
1442 {
1443 /* When leaving a function, reduce nesting level. */
1444 if (getline_equal(getline, cookie, get_func_line))
1445 --ex_nesting_level;
1446 /*
1447 * Go to debug mode when returning from a function in which we are
1448 * single-stepping.
1449 */
1450 if ((getline_equal(getline, cookie, getsourceline)
1451 || getline_equal(getline, cookie, get_func_line))
1452 && ex_nesting_level + 1 <= debug_break_level)
1453 do_debug(getline_equal(getline, cookie, getsourceline)
1454 ? (char_u *)_("End of sourced file")
1455 : (char_u *)_("End of function"));
1456 }
1457
1458 /*
1459 * Restore the exception environment (done after returning from the
1460 * debugger).
1461 */
1462 if (flags & DOCMD_EXCRESET)
1463 restore_dbg_stuff(&debug_saved);
1464
1465 msg_list = saved_msg_list;
1466 #endif /* FEAT_EVAL */
1467
1468 /*
1469 * If there was too much output to fit on the command line, ask the user to
1470 * hit return before redrawing the screen. With the ":global" command we do
1471 * this only once after the command is finished.
1472 */
1473 if (did_inc)
1474 {
1475 --RedrawingDisabled;
1476 --no_wait_return;
1477 msg_scroll = FALSE;
1478
1479 /*
1480 * When just finished an ":if"-":else" which was typed, no need to
1481 * wait for hit-return. Also for an error situation.
1482 */
1483 if (retval == FAIL
1484 #ifdef FEAT_EVAL
1485 || (did_endif && KeyTyped && !did_emsg)
1486 #endif
1487 )
1488 {
1489 need_wait_return = FALSE;
1490 msg_didany = FALSE; /* don't wait when restarting edit */
1491 }
1492 else if (need_wait_return)
1493 {
1494 /*
1495 * The msg_start() above clears msg_didout. The wait_return we do
1496 * here should not overwrite the command that may be shown before
1497 * doing that.
1498 */
1499 msg_didout |= msg_didout_before_start;
1500 wait_return(FALSE);
1501 }
1502 }
1503
1504 #ifndef FEAT_EVAL
1505 /*
1506 * Reset if_level, in case a sourced script file contains more ":if" than
1507 * ":endif" (could be ":if x | foo | endif").
1508 */
1509 if_level = 0;
1510 #endif
1511
1512 --call_depth;
1513 return retval;
1514 }
1515
1516 #ifdef FEAT_EVAL
1517 /*
1518 * Obtain a line when inside a ":while" or ":for" loop.
1519 */
1520 static char_u *
1521 get_loop_line(c, cookie, indent)
1522 int c;
1523 void *cookie;
1524 int indent;
1525 {
1526 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1527 wcmd_T *wp;
1528 char_u *line;
1529
1530 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1531 {
1532 if (cp->repeating)
1533 return NULL; /* trying to read past ":endwhile"/":endfor" */
1534
1535 /* First time inside the ":while"/":for": get line normally. */
1536 if (cp->getline == NULL)
1537 line = getcmdline(c, 0L, indent);
1538 else
1539 line = cp->getline(c, cp->cookie, indent);
1540 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1541 ++cp->current_line;
1542
1543 return line;
1544 }
1545
1546 KeyTyped = FALSE;
1547 ++cp->current_line;
1548 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1549 sourcing_lnum = wp->lnum;
1550 return vim_strsave(wp->line);
1551 }
1552
1553 /*
1554 * Store a line in "gap" so that a ":while" loop can execute it again.
1555 */
1556 static int
1557 store_loop_line(gap, line)
1558 garray_T *gap;
1559 char_u *line;
1560 {
1561 if (ga_grow(gap, 1) == FAIL)
1562 return FAIL;
1563 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1564 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1565 ++gap->ga_len;
1566 return OK;
1567 }
1568
1569 /*
1570 * Free the lines stored for a ":while" or ":for" loop.
1571 */
1572 static void
1573 free_cmdlines(gap)
1574 garray_T *gap;
1575 {
1576 while (gap->ga_len > 0)
1577 {
1578 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1579 --gap->ga_len;
1580 }
1581 }
1582 #endif
1583
1584 /*
1585 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1586 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1587 */
1588 /*ARGSUSED*/
1589 int
1590 getline_equal(fgetline, cookie, func)
1591 char_u *(*fgetline) __ARGS((int, void *, int));
1592 void *cookie; /* argument for fgetline() */
1593 char_u *(*func) __ARGS((int, void *, int));
1594 {
1595 #ifdef FEAT_EVAL
1596 char_u *(*gp) __ARGS((int, void *, int));
1597 struct loop_cookie *cp;
1598
1599 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1600 * function that's originally used to obtain the lines. This may be
1601 * nested several levels. */
1602 gp = fgetline;
1603 cp = (struct loop_cookie *)cookie;
1604 while (gp == get_loop_line)
1605 {
1606 gp = cp->getline;
1607 cp = cp->cookie;
1608 }
1609 return gp == func;
1610 #else
1611 return fgetline == func;
1612 #endif
1613 }
1614
1615 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1616 /*
1617 * If "fgetline" is get_loop_line(), return the cookie used by the original
1618 * getline function. Otherwise return "cookie".
1619 */
1620 /*ARGSUSED*/
1621 void *
1622 getline_cookie(fgetline, cookie)
1623 char_u *(*fgetline) __ARGS((int, void *, int));
1624 void *cookie; /* argument for fgetline() */
1625 {
1626 # ifdef FEAT_EVAL
1627 char_u *(*gp) __ARGS((int, void *, int));
1628 struct loop_cookie *cp;
1629
1630 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1631 * cookie that's originally used to obtain the lines. This may be nested
1632 * several levels. */
1633 gp = fgetline;
1634 cp = (struct loop_cookie *)cookie;
1635 while (gp == get_loop_line)
1636 {
1637 gp = cp->getline;
1638 cp = cp->cookie;
1639 }
1640 return cp;
1641 # else
1642 return cookie;
1643 # endif
1644 }
1645 #endif
1646
1647 /*
1648 * Execute one Ex command.
1649 *
1650 * If 'sourcing' is TRUE, the command will be included in the error message.
1651 *
1652 * 1. skip comment lines and leading space
1653 * 2. handle command modifiers
1654 * 3. parse range
1655 * 4. parse command
1656 * 5. parse arguments
1657 * 6. switch on command name
1658 *
1659 * Note: "fgetline" can be NULL.
1660 *
1661 * This function may be called recursively!
1662 */
1663 #if (_MSC_VER == 1200)
1664 /*
1665 * Avoid optimisation bug in VC++ version 6.0
1666 */
1667 #pragma optimize( "g", off )
1668 #endif
1669 static char_u *
1670 do_one_cmd(cmdlinep, sourcing,
1671 #ifdef FEAT_EVAL
1672 cstack,
1673 #endif
1674 fgetline, cookie)
1675 char_u **cmdlinep;
1676 int sourcing;
1677 #ifdef FEAT_EVAL
1678 struct condstack *cstack;
1679 #endif
1680 char_u *(*fgetline) __ARGS((int, void *, int));
1681 void *cookie; /* argument for fgetline() */
1682 {
1683 char_u *p;
1684 linenr_T lnum;
1685 long n;
1686 char_u *errormsg = NULL; /* error message */
1687 exarg_T ea; /* Ex command arguments */
1688 long verbose_save = -1;
1689 int save_msg_scroll = 0;
1690 int did_silent = 0;
1691 int did_esilent = 0;
1692 #ifdef HAVE_SANDBOX
1693 int did_sandbox = FALSE;
1694 #endif
1695 cmdmod_T save_cmdmod;
1696 int ni; /* set when Not Implemented */
1697
1698 vim_memset(&ea, 0, sizeof(ea));
1699 ea.line1 = 1;
1700 ea.line2 = 1;
1701 #ifdef FEAT_EVAL
1702 ++ex_nesting_level;
1703 #endif
1704
1705 /* when not editing the last file :q has to be typed twice */
1706 if (quitmore
1707 #ifdef FEAT_EVAL
1708 /* avoid that a function call in 'statusline' does this */
1709 && !getline_equal(fgetline, cookie, get_func_line)
1710 #endif
1711 )
1712 --quitmore;
1713
1714 /*
1715 * Reset browse, confirm, etc.. They are restored when returning, for
1716 * recursive calls.
1717 */
1718 save_cmdmod = cmdmod;
1719 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1720
1721 /* "#!anything" is handled like a comment. */
1722 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1723 goto doend;
1724
1725 /*
1726 * Repeat until no more command modifiers are found.
1727 */
1728 ea.cmd = *cmdlinep;
1729 for (;;)
1730 {
1731 /*
1732 * 1. skip comment lines and leading white space and colons
1733 */
1734 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1735 ++ea.cmd;
1736
1737 /* in ex mode, an empty line works like :+ */
1738 if (*ea.cmd == NUL && exmode_active
1739 && (getline_equal(fgetline, cookie, getexmodeline)
1740 || getline_equal(fgetline, cookie, getexline))
1741 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1742 {
1743 ea.cmd = (char_u *)"+";
1744 ex_pressedreturn = TRUE;
1745 }
1746
1747 /* ignore comment and empty lines */
1748 if (*ea.cmd == '"')
1749 goto doend;
1750 if (*ea.cmd == NUL)
1751 {
1752 ex_pressedreturn = TRUE;
1753 goto doend;
1754 }
1755
1756 /*
1757 * 2. handle command modifiers.
1758 */
1759 p = ea.cmd;
1760 if (VIM_ISDIGIT(*ea.cmd))
1761 p = skipwhite(skipdigits(ea.cmd));
1762 switch (*p)
1763 {
1764 /* When adding an entry, also modify cmd_exists(). */
1765 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1766 break;
1767 #ifdef FEAT_WINDOWS
1768 cmdmod.split |= WSP_ABOVE;
1769 #endif
1770 continue;
1771
1772 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1773 {
1774 #ifdef FEAT_WINDOWS
1775 cmdmod.split |= WSP_BELOW;
1776 #endif
1777 continue;
1778 }
1779 if (checkforcmd(&ea.cmd, "browse", 3))
1780 {
1781 #ifdef FEAT_BROWSE_CMD
1782 cmdmod.browse = TRUE;
1783 #endif
1784 continue;
1785 }
1786 if (!checkforcmd(&ea.cmd, "botright", 2))
1787 break;
1788 #ifdef FEAT_WINDOWS
1789 cmdmod.split |= WSP_BOT;
1790 #endif
1791 continue;
1792
1793 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1794 break;
1795 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1796 cmdmod.confirm = TRUE;
1797 #endif
1798 continue;
1799
1800 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1801 {
1802 cmdmod.keepmarks = TRUE;
1803 continue;
1804 }
1805 if (checkforcmd(&ea.cmd, "keepalt", 5))
1806 {
1807 cmdmod.keepalt = TRUE;
1808 continue;
1809 }
1810 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1811 break;
1812 cmdmod.keepjumps = TRUE;
1813 continue;
1814
1815 /* ":hide" and ":hide | cmd" are not modifiers */
1816 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1817 || *p == NUL || ends_excmd(*p))
1818 break;
1819 ea.cmd = p;
1820 cmdmod.hide = TRUE;
1821 continue;
1822
1823 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1824 {
1825 cmdmod.lockmarks = TRUE;
1826 continue;
1827 }
1828
1829 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1830 break;
1831 #ifdef FEAT_WINDOWS
1832 cmdmod.split |= WSP_ABOVE;
1833 #endif
1834 continue;
1835
1836 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1837 break;
1838 #ifdef FEAT_AUTOCMD
1839 if (cmdmod.save_ei == NULL)
1840 {
1841 /* Set 'eventignore' to "all". Restore the
1842 * existing option value later. */
1843 cmdmod.save_ei = vim_strsave(p_ei);
1844 set_string_option_direct((char_u *)"ei", -1,
1845 (char_u *)"all", OPT_FREE, SID_NONE);
1846 }
1847 #endif
1848 continue;
1849
1850 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1851 break;
1852 #ifdef FEAT_WINDOWS
1853 cmdmod.split |= WSP_BELOW;
1854 #endif
1855 continue;
1856
1857 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1858 {
1859 #ifdef HAVE_SANDBOX
1860 if (!did_sandbox)
1861 ++sandbox;
1862 did_sandbox = TRUE;
1863 #endif
1864 continue;
1865 }
1866 if (!checkforcmd(&ea.cmd, "silent", 3))
1867 break;
1868 ++did_silent;
1869 ++msg_silent;
1870 save_msg_scroll = msg_scroll;
1871 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1872 {
1873 /* ":silent!", but not "silent !cmd" */
1874 ea.cmd = skipwhite(ea.cmd + 1);
1875 ++emsg_silent;
1876 ++did_esilent;
1877 }
1878 continue;
1879
1880 case 't': if (checkforcmd(&p, "tab", 3))
1881 {
1882 #ifdef FEAT_WINDOWS
1883 if (vim_isdigit(*ea.cmd))
1884 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1885 else
1886 cmdmod.tab = tabpage_index(curtab) + 1;
1887 ea.cmd = p;
1888 #endif
1889 continue;
1890 }
1891 if (!checkforcmd(&ea.cmd, "topleft", 2))
1892 break;
1893 #ifdef FEAT_WINDOWS
1894 cmdmod.split |= WSP_TOP;
1895 #endif
1896 continue;
1897
1898 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1899 {
1900 #ifdef FEAT_VERTSPLIT
1901 cmdmod.split |= WSP_VERT;
1902 #endif
1903 continue;
1904 }
1905 if (!checkforcmd(&p, "verbose", 4))
1906 break;
1907 if (verbose_save < 0)
1908 verbose_save = p_verbose;
1909 if (vim_isdigit(*ea.cmd))
1910 p_verbose = atoi((char *)ea.cmd);
1911 else
1912 p_verbose = 1;
1913 ea.cmd = p;
1914 continue;
1915 }
1916 break;
1917 }
1918
1919 #ifdef FEAT_EVAL
1920 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1921 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1922 #else
1923 ea.skip = (if_level > 0);
1924 #endif
1925
1926 #ifdef FEAT_EVAL
1927 # ifdef FEAT_PROFILE
1928 /* Count this line for profiling if ea.skip is FALSE. */
1929 if (do_profiling == PROF_YES && !ea.skip)
1930 {
1931 if (getline_equal(fgetline, cookie, get_func_line))
1932 func_line_exec(getline_cookie(fgetline, cookie));
1933 else if (getline_equal(fgetline, cookie, getsourceline))
1934 script_line_exec();
1935 }
1936 #endif
1937
1938 /* May go to debug mode. If this happens and the ">quit" debug command is
1939 * used, throw an interrupt exception and skip the next command. */
1940 dbg_check_breakpoint(&ea);
1941 if (!ea.skip && got_int)
1942 {
1943 ea.skip = TRUE;
1944 (void)do_intthrow(cstack);
1945 }
1946 #endif
1947
1948 /*
1949 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1950 *
1951 * where 'addr' is:
1952 *
1953 * % (entire file)
1954 * $ [+-NUM]
1955 * 'x [+-NUM] (where x denotes a currently defined mark)
1956 * . [+-NUM]
1957 * [+-NUM]..
1958 * NUM
1959 *
1960 * The ea.cmd pointer is updated to point to the first character following the
1961 * range spec. If an initial address is found, but no second, the upper bound
1962 * is equal to the lower.
1963 */
1964
1965 /* repeat for all ',' or ';' separated addresses */
1966 for (;;)
1967 {
1968 ea.line1 = ea.line2;
1969 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1970 ea.cmd = skipwhite(ea.cmd);
1971 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1972 if (ea.cmd == NULL) /* error detected */
1973 goto doend;
1974 if (lnum == MAXLNUM)
1975 {
1976 if (*ea.cmd == '%') /* '%' - all lines */
1977 {
1978 ++ea.cmd;
1979 ea.line1 = 1;
1980 ea.line2 = curbuf->b_ml.ml_line_count;
1981 ++ea.addr_count;
1982 }
1983 /* '*' - visual area */
1984 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1985 {
1986 pos_T *fp;
1987
1988 ++ea.cmd;
1989 if (!ea.skip)
1990 {
1991 fp = getmark('<', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line1 = fp->lnum;
1995 fp = getmark('>', FALSE);
1996 if (check_mark(fp) == FAIL)
1997 goto doend;
1998 ea.line2 = fp->lnum;
1999 ++ea.addr_count;
2000 }
2001 }
2002 }
2003 else
2004 ea.line2 = lnum;
2005 ea.addr_count++;
2006
2007 if (*ea.cmd == ';')
2008 {
2009 if (!ea.skip)
2010 curwin->w_cursor.lnum = ea.line2;
2011 }
2012 else if (*ea.cmd != ',')
2013 break;
2014 ++ea.cmd;
2015 }
2016
2017 /* One address given: set start and end lines */
2018 if (ea.addr_count == 1)
2019 {
2020 ea.line1 = ea.line2;
2021 /* ... but only implicit: really no address given */
2022 if (lnum == MAXLNUM)
2023 ea.addr_count = 0;
2024 }
2025
2026 /* Don't leave the cursor on an illegal line (caused by ';') */
2027 check_cursor_lnum();
2028
2029 /*
2030 * 4. parse command
2031 */
2032
2033 /*
2034 * Skip ':' and any white space
2035 */
2036 ea.cmd = skipwhite(ea.cmd);
2037 while (*ea.cmd == ':')
2038 ea.cmd = skipwhite(ea.cmd + 1);
2039
2040 /*
2041 * If we got a line, but no command, then go to the line.
2042 * If we find a '|' or '\n' we set ea.nextcmd.
2043 */
2044 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2045 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2046 {
2047 /*
2048 * strange vi behaviour:
2049 * ":3" jumps to line 3
2050 * ":3|..." prints line 3
2051 * ":|" prints current line
2052 */
2053 if (ea.skip) /* skip this if inside :if */
2054 goto doend;
2055 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2056 {
2057 ea.cmdidx = CMD_print;
2058 ea.argt = RANGE+COUNT+TRLBAR;
2059 if ((errormsg = invalid_range(&ea)) == NULL)
2060 {
2061 correct_range(&ea);
2062 ex_print(&ea);
2063 }
2064 }
2065 else if (ea.addr_count != 0)
2066 {
2067 if (ea.line2 > curbuf->b_ml.ml_line_count)
2068 {
2069 /* With '-' in 'cpoptions' a line number past the file is an
2070 * error, otherwise put it at the end of the file. */
2071 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2072 ea.line2 = -1;
2073 else
2074 ea.line2 = curbuf->b_ml.ml_line_count;
2075 }
2076
2077 if (ea.line2 < 0)
2078 errormsg = (char_u *)_(e_invrange);
2079 else
2080 {
2081 if (ea.line2 == 0)
2082 curwin->w_cursor.lnum = 1;
2083 else
2084 curwin->w_cursor.lnum = ea.line2;
2085 beginline(BL_SOL | BL_FIX);
2086 }
2087 }
2088 goto doend;
2089 }
2090
2091 /* Find the command and let "p" point to after it. */
2092 p = find_command(&ea, NULL);
2093
2094 #ifdef FEAT_USR_CMDS
2095 if (p == NULL)
2096 {
2097 if (!ea.skip)
2098 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2099 goto doend;
2100 }
2101 /* Check for wrong commands. */
2102 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2103 {
2104 errormsg = uc_fun_cmd();
2105 goto doend;
2106 }
2107 #endif
2108 if (ea.cmdidx == CMD_SIZE)
2109 {
2110 if (!ea.skip)
2111 {
2112 STRCPY(IObuff, _("E492: Not an editor command"));
2113 if (!sourcing)
2114 {
2115 STRCAT(IObuff, ": ");
2116 STRNCAT(IObuff, *cmdlinep, 40);
2117 }
2118 errormsg = IObuff;
2119 }
2120 goto doend;
2121 }
2122
2123 ni = (
2124 #ifdef FEAT_USR_CMDS
2125 !USER_CMDIDX(ea.cmdidx) &&
2126 #endif
2127 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2128 #ifdef HAVE_EX_SCRIPT_NI
2129 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2130 #endif
2131 ));
2132
2133 #ifndef FEAT_EVAL
2134 /*
2135 * When the expression evaluation is disabled, recognize the ":if" and
2136 * ":endif" commands and ignore everything in between it.
2137 */
2138 if (ea.cmdidx == CMD_if)
2139 ++if_level;
2140 if (if_level)
2141 {
2142 if (ea.cmdidx == CMD_endif)
2143 --if_level;
2144 goto doend;
2145 }
2146
2147 #endif
2148
2149 /* forced commands */
2150 if (*p == '!' && ea.cmdidx != CMD_substitute
2151 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2152 {
2153 ++p;
2154 ea.forceit = TRUE;
2155 }
2156 else
2157 ea.forceit = FALSE;
2158
2159 /*
2160 * 5. parse arguments
2161 */
2162 #ifdef FEAT_USR_CMDS
2163 if (!USER_CMDIDX(ea.cmdidx))
2164 #endif
2165 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2166
2167 if (!ea.skip)
2168 {
2169 #ifdef HAVE_SANDBOX
2170 if (sandbox != 0 && !(ea.argt & SBOXOK))
2171 {
2172 /* Command not allowed in sandbox. */
2173 errormsg = (char_u *)_(e_sandbox);
2174 goto doend;
2175 }
2176 #endif
2177 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2178 {
2179 /* Command not allowed in non-'modifiable' buffer */
2180 errormsg = (char_u *)_(e_modifiable);
2181 goto doend;
2182 }
2183
2184 if (text_locked() && !(ea.argt & CMDWIN)
2185 # ifdef FEAT_USR_CMDS
2186 && !USER_CMDIDX(ea.cmdidx)
2187 # endif
2188 )
2189 {
2190 /* Command not allowed when editing the command line. */
2191 #ifdef FEAT_CMDWIN
2192 if (cmdwin_type != 0)
2193 errormsg = (char_u *)_(e_cmdwin);
2194 else
2195 #endif
2196 errormsg = (char_u *)_(e_secure);
2197 goto doend;
2198 }
2199 #ifdef FEAT_AUTOCMD
2200 /* Disallow editing another buffer when "curbuf_lock" is set.
2201 * Do allow ":edit" (check for argument later).
2202 * Do allow ":checktime" (it's postponed). */
2203 if (!(ea.argt & CMDWIN)
2204 && ea.cmdidx != CMD_edit
2205 && ea.cmdidx != CMD_checktime
2206 # ifdef FEAT_USR_CMDS
2207 && !USER_CMDIDX(ea.cmdidx)
2208 # endif
2209 && curbuf_locked())
2210 goto doend;
2211 #endif
2212
2213 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2214 {
2215 /* no range allowed */
2216 errormsg = (char_u *)_(e_norange);
2217 goto doend;
2218 }
2219 }
2220
2221 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2222 {
2223 errormsg = (char_u *)_(e_nobang);
2224 goto doend;
2225 }
2226
2227 /*
2228 * Don't complain about the range if it is not used
2229 * (could happen if line_count is accidentally set to 0).
2230 */
2231 if (!ea.skip && !ni)
2232 {
2233 /*
2234 * If the range is backwards, ask for confirmation and, if given, swap
2235 * ea.line1 & ea.line2 so it's forwards again.
2236 * When global command is busy, don't ask, will fail below.
2237 */
2238 if (!global_busy && ea.line1 > ea.line2)
2239 {
2240 if (msg_silent == 0)
2241 {
2242 if (sourcing || exmode_active)
2243 {
2244 errormsg = (char_u *)_("E493: Backwards range given");
2245 goto doend;
2246 }
2247 if (ask_yesno((char_u *)
2248 _("Backwards range given, OK to swap"), FALSE) != 'y')
2249 goto doend;
2250 }
2251 lnum = ea.line1;
2252 ea.line1 = ea.line2;
2253 ea.line2 = lnum;
2254 }
2255 if ((errormsg = invalid_range(&ea)) != NULL)
2256 goto doend;
2257 }
2258
2259 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2260 ea.line2 = 1;
2261
2262 correct_range(&ea);
2263
2264 #ifdef FEAT_FOLDING
2265 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2266 {
2267 /* Put the first line at the start of a closed fold, put the last line
2268 * at the end of a closed fold. */
2269 (void)hasFolding(ea.line1, &ea.line1, NULL);
2270 (void)hasFolding(ea.line2, NULL, &ea.line2);
2271 }
2272 #endif
2273
2274 #ifdef FEAT_QUICKFIX
2275 /*
2276 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2277 * option here, so things like % get expanded.
2278 */
2279 p = replace_makeprg(&ea, p, cmdlinep);
2280 if (p == NULL)
2281 goto doend;
2282 #endif
2283
2284 /*
2285 * Skip to start of argument.
2286 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2287 */
2288 if (ea.cmdidx == CMD_bang)
2289 ea.arg = p;
2290 else
2291 ea.arg = skipwhite(p);
2292
2293 /*
2294 * Check for "++opt=val" argument.
2295 * Must be first, allow ":w ++enc=utf8 !cmd"
2296 */
2297 if (ea.argt & ARGOPT)
2298 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2299 if (getargopt(&ea) == FAIL && !ni)
2300 {
2301 errormsg = (char_u *)_(e_invarg);
2302 goto doend;
2303 }
2304
2305 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2306 {
2307 if (*ea.arg == '>') /* append */
2308 {
2309 if (*++ea.arg != '>') /* typed wrong */
2310 {
2311 errormsg = (char_u *)_("E494: Use w or w>>");
2312 goto doend;
2313 }
2314 ea.arg = skipwhite(ea.arg + 1);
2315 ea.append = TRUE;
2316 }
2317 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2318 {
2319 ++ea.arg;
2320 ea.usefilter = TRUE;
2321 }
2322 }
2323
2324 if (ea.cmdidx == CMD_read)
2325 {
2326 if (ea.forceit)
2327 {
2328 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2329 ea.forceit = FALSE;
2330 }
2331 else if (*ea.arg == '!') /* :r !filter */
2332 {
2333 ++ea.arg;
2334 ea.usefilter = TRUE;
2335 }
2336 }
2337
2338 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2339 {
2340 ea.amount = 1;
2341 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2342 {
2343 ++ea.arg;
2344 ++ea.amount;
2345 }
2346 ea.arg = skipwhite(ea.arg);
2347 }
2348
2349 /*
2350 * Check for "+command" argument, before checking for next command.
2351 * Don't do this for ":read !cmd" and ":write !cmd".
2352 */
2353 if ((ea.argt & EDITCMD) && !ea.usefilter)
2354 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2355
2356 /*
2357 * Check for '|' to separate commands and '"' to start comments.
2358 * Don't do this for ":read !cmd" and ":write !cmd".
2359 */
2360 if ((ea.argt & TRLBAR) && !ea.usefilter)
2361 separate_nextcmd(&ea);
2362
2363 /*
2364 * Check for <newline> to end a shell command.
2365 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2366 * Any others?
2367 */
2368 else if (ea.cmdidx == CMD_bang
2369 || ea.cmdidx == CMD_global
2370 || ea.cmdidx == CMD_vglobal
2371 || ea.usefilter)
2372 {
2373 for (p = ea.arg; *p; ++p)
2374 {
2375 /* Remove one backslash before a newline, so that it's possible to
2376 * pass a newline to the shell and also a newline that is preceded
2377 * with a backslash. This makes it impossible to end a shell
2378 * command in a backslash, but that doesn't appear useful.
2379 * Halving the number of backslashes is incompatible with previous
2380 * versions. */
2381 if (*p == '\\' && p[1] == '\n')
2382 STRMOVE(p, p + 1);
2383 else if (*p == '\n')
2384 {
2385 ea.nextcmd = p + 1;
2386 *p = NUL;
2387 break;
2388 }
2389 }
2390 }
2391
2392 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2393 {
2394 ea.line1 = 1;
2395 ea.line2 = curbuf->b_ml.ml_line_count;
2396 }
2397
2398 /* accept numbered register only when no count allowed (:put) */
2399 if ( (ea.argt & REGSTR)
2400 && *ea.arg != NUL
2401 #ifdef FEAT_USR_CMDS
2402 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2403 && USER_CMDIDX(ea.cmdidx)))
2404 /* Do not allow register = for user commands */
2405 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2406 #else
2407 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2408 #endif
2409 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2410 {
2411 ea.regname = *ea.arg++;
2412 #ifdef FEAT_EVAL
2413 /* for '=' register: accept the rest of the line as an expression */
2414 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2415 {
2416 set_expr_line(vim_strsave(ea.arg));
2417 ea.arg += STRLEN(ea.arg);
2418 }
2419 #endif
2420 ea.arg = skipwhite(ea.arg);
2421 }
2422
2423 /*
2424 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2425 * count, it's a buffer name.
2426 */
2427 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2428 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2429 || vim_iswhite(*p)))
2430 {
2431 n = getdigits(&ea.arg);
2432 ea.arg = skipwhite(ea.arg);
2433 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2434 {
2435 errormsg = (char_u *)_(e_zerocount);
2436 goto doend;
2437 }
2438 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2439 {
2440 ea.line2 = n;
2441 if (ea.addr_count == 0)
2442 ea.addr_count = 1;
2443 }
2444 else
2445 {
2446 ea.line1 = ea.line2;
2447 ea.line2 += n - 1;
2448 ++ea.addr_count;
2449 /*
2450 * Be vi compatible: no error message for out of range.
2451 */
2452 if (ea.line2 > curbuf->b_ml.ml_line_count)
2453 ea.line2 = curbuf->b_ml.ml_line_count;
2454 }
2455 }
2456
2457 /*
2458 * Check for flags: 'l', 'p' and '#'.
2459 */
2460 if (ea.argt & EXFLAGS)
2461 get_flags(&ea);
2462 /* no arguments allowed */
2463 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2464 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2465 {
2466 errormsg = (char_u *)_(e_trailing);
2467 goto doend;
2468 }
2469
2470 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2471 {
2472 errormsg = (char_u *)_(e_argreq);
2473 goto doend;
2474 }
2475
2476 #ifdef FEAT_EVAL
2477 /*
2478 * Skip the command when it's not going to be executed.
2479 * The commands like :if, :endif, etc. always need to be executed.
2480 * Also make an exception for commands that handle a trailing command
2481 * themselves.
2482 */
2483 if (ea.skip)
2484 {
2485 switch (ea.cmdidx)
2486 {
2487 /* commands that need evaluation */
2488 case CMD_while:
2489 case CMD_endwhile:
2490 case CMD_for:
2491 case CMD_endfor:
2492 case CMD_if:
2493 case CMD_elseif:
2494 case CMD_else:
2495 case CMD_endif:
2496 case CMD_try:
2497 case CMD_catch:
2498 case CMD_finally:
2499 case CMD_endtry:
2500 case CMD_function:
2501 break;
2502
2503 /* Commands that handle '|' themselves. Check: A command should
2504 * either have the TRLBAR flag, appear in this list or appear in
2505 * the list at ":help :bar". */
2506 case CMD_aboveleft:
2507 case CMD_and:
2508 case CMD_belowright:
2509 case CMD_botright:
2510 case CMD_browse:
2511 case CMD_call:
2512 case CMD_confirm:
2513 case CMD_delfunction:
2514 case CMD_djump:
2515 case CMD_dlist:
2516 case CMD_dsearch:
2517 case CMD_dsplit:
2518 case CMD_echo:
2519 case CMD_echoerr:
2520 case CMD_echomsg:
2521 case CMD_echon:
2522 case CMD_execute:
2523 case CMD_help:
2524 case CMD_hide:
2525 case CMD_ijump:
2526 case CMD_ilist:
2527 case CMD_isearch:
2528 case CMD_isplit:
2529 case CMD_keepalt:
2530 case CMD_keepjumps:
2531 case CMD_keepmarks:
2532 case CMD_leftabove:
2533 case CMD_let:
2534 case CMD_lockmarks:
2535 case CMD_match:
2536 case CMD_mzscheme:
2537 case CMD_perl:
2538 case CMD_psearch:
2539 case CMD_python:
2540 case CMD_return:
2541 case CMD_rightbelow:
2542 case CMD_ruby:
2543 case CMD_silent:
2544 case CMD_smagic:
2545 case CMD_snomagic:
2546 case CMD_substitute:
2547 case CMD_syntax:
2548 case CMD_tab:
2549 case CMD_tcl:
2550 case CMD_throw:
2551 case CMD_tilde:
2552 case CMD_topleft:
2553 case CMD_unlet:
2554 case CMD_verbose:
2555 case CMD_vertical:
2556 break;
2557
2558 default: goto doend;
2559 }
2560 }
2561 #endif
2562
2563 if (ea.argt & XFILE)
2564 {
2565 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2566 goto doend;
2567 }
2568
2569 #ifdef FEAT_LISTCMDS
2570 /*
2571 * Accept buffer name. Cannot be used at the same time with a buffer
2572 * number. Don't do this for a user command.
2573 */
2574 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2575 # ifdef FEAT_USR_CMDS
2576 && !USER_CMDIDX(ea.cmdidx)
2577 # endif
2578 )
2579 {
2580 /*
2581 * :bdelete, :bwipeout and :bunload take several arguments, separated
2582 * by spaces: find next space (skipping over escaped characters).
2583 * The others take one argument: ignore trailing spaces.
2584 */
2585 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2586 || ea.cmdidx == CMD_bunload)
2587 p = skiptowhite_esc(ea.arg);
2588 else
2589 {
2590 p = ea.arg + STRLEN(ea.arg);
2591 while (p > ea.arg && vim_iswhite(p[-1]))
2592 --p;
2593 }
2594 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2595 if (ea.line2 < 0) /* failed */
2596 goto doend;
2597 ea.addr_count = 1;
2598 ea.arg = skipwhite(p);
2599 }
2600 #endif
2601
2602 /*
2603 * 6. switch on command name
2604 *
2605 * The "ea" structure holds the arguments that can be used.
2606 */
2607 ea.cmdlinep = cmdlinep;
2608 ea.getline = fgetline;
2609 ea.cookie = cookie;
2610 #ifdef FEAT_EVAL
2611 ea.cstack = cstack;
2612 #endif
2613
2614 #ifdef FEAT_USR_CMDS
2615 if (USER_CMDIDX(ea.cmdidx))
2616 {
2617 /*
2618 * Execute a user-defined command.
2619 */
2620 do_ucmd(&ea);
2621 }
2622 else
2623 #endif
2624 {
2625 /*
2626 * Call the function to execute the command.
2627 */
2628 ea.errmsg = NULL;
2629 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2630 if (ea.errmsg != NULL)
2631 errormsg = (char_u *)_(ea.errmsg);
2632 }
2633
2634 #ifdef FEAT_EVAL
2635 /*
2636 * If the command just executed called do_cmdline(), any throw or ":return"
2637 * or ":finish" encountered there must also check the cstack of the still
2638 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2639 * exception, or reanimate a returned function or finished script file and
2640 * return or finish it again.
2641 */
2642 if (need_rethrow)
2643 do_throw(cstack);
2644 else if (check_cstack)
2645 {
2646 if (source_finished(fgetline, cookie))
2647 do_finish(&ea, TRUE);
2648 else if (getline_equal(fgetline, cookie, get_func_line)
2649 && current_func_returned())
2650 do_return(&ea, TRUE, FALSE, NULL);
2651 }
2652 need_rethrow = check_cstack = FALSE;
2653 #endif
2654
2655 doend:
2656 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2657 curwin->w_cursor.lnum = 1;
2658
2659 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2660 {
2661 if (sourcing)
2662 {
2663 if (errormsg != IObuff)
2664 {
2665 STRCPY(IObuff, errormsg);
2666 errormsg = IObuff;
2667 }
2668 STRCAT(errormsg, ": ");
2669 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2670 }
2671 emsg(errormsg);
2672 }
2673 #ifdef FEAT_EVAL
2674 do_errthrow(cstack,
2675 (ea.cmdidx != CMD_SIZE
2676 # ifdef FEAT_USR_CMDS
2677 && !USER_CMDIDX(ea.cmdidx)
2678 # endif
2679 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2680 #endif
2681
2682 if (verbose_save >= 0)
2683 p_verbose = verbose_save;
2684 #ifdef FEAT_AUTOCMD
2685 if (cmdmod.save_ei != NULL)
2686 {
2687 /* Restore 'eventignore' to the value before ":noautocmd". */
2688 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2689 OPT_FREE, SID_NONE);
2690 free_string_option(cmdmod.save_ei);
2691 }
2692 #endif
2693
2694 cmdmod = save_cmdmod;
2695
2696 if (did_silent > 0)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 msg_silent -= did_silent;
2701 if (msg_silent < 0)
2702 msg_silent = 0;
2703 emsg_silent -= did_esilent;
2704 if (emsg_silent < 0)
2705 emsg_silent = 0;
2706 /* Restore msg_scroll, it's set by file I/O commands, even when no
2707 * message is actually displayed. */
2708 msg_scroll = save_msg_scroll;
2709 }
2710
2711 #ifdef HAVE_SANDBOX
2712 if (did_sandbox)
2713 --sandbox;
2714 #endif
2715
2716 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2717 ea.nextcmd = NULL;
2718
2719 #ifdef FEAT_EVAL
2720 --ex_nesting_level;
2721 #endif
2722
2723 return ea.nextcmd;
2724 }
2725 #if (_MSC_VER == 1200)
2726 #pragma optimize( "", on )
2727 #endif
2728
2729 /*
2730 * Check for an Ex command with optional tail.
2731 * If there is a match advance "pp" to the argument and return TRUE.
2732 */
2733 int
2734 checkforcmd(pp, cmd, len)
2735 char_u **pp; /* start of command */
2736 char *cmd; /* name of command */
2737 int len; /* required length */
2738 {
2739 int i;
2740
2741 for (i = 0; cmd[i] != NUL; ++i)
2742 if (cmd[i] != (*pp)[i])
2743 break;
2744 if (i >= len && !isalpha((*pp)[i]))
2745 {
2746 *pp = skipwhite(*pp + i);
2747 return TRUE;
2748 }
2749 return FALSE;
2750 }
2751
2752 /*
2753 * Find an Ex command by its name, either built-in or user.
2754 * Start of the name can be found at eap->cmd.
2755 * Returns pointer to char after the command name.
2756 * "full" is set to TRUE if the whole command name matched.
2757 * Returns NULL for an ambiguous user command.
2758 */
2759 /*ARGSUSED*/
2760 static char_u *
2761 find_command(eap, full)
2762 exarg_T *eap;
2763 int *full;
2764 {
2765 int len;
2766 char_u *p;
2767 int i;
2768
2769 /*
2770 * Isolate the command and search for it in the command table.
2771 * Exceptions:
2772 * - the 'k' command can directly be followed by any character.
2773 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2774 * but :sre[wind] is another command, as are :scrip[tnames],
2775 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2776 * - the "d" command can directly be followed by 'l' or 'p' flag.
2777 */
2778 p = eap->cmd;
2779 if (*p == 'k')
2780 {
2781 eap->cmdidx = CMD_k;
2782 ++p;
2783 }
2784 else if (p[0] == 's'
2785 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2786 && p[3] != 'i' && p[4] != 'p')
2787 || p[1] == 'g'
2788 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2789 || p[1] == 'I'
2790 || (p[1] == 'r' && p[2] != 'e')))
2791 {
2792 eap->cmdidx = CMD_substitute;
2793 ++p;
2794 }
2795 else
2796 {
2797 while (ASCII_ISALPHA(*p))
2798 ++p;
2799 /* check for non-alpha command */
2800 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2801 ++p;
2802 len = (int)(p - eap->cmd);
2803 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2804 {
2805 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2806 * :delete with the 'l' flag. Same for 'p'. */
2807 for (i = 0; i < len; ++i)
2808 if (eap->cmd[i] != "delete"[i])
2809 break;
2810 if (i == len - 1)
2811 {
2812 --len;
2813 if (p[-1] == 'l')
2814 eap->flags |= EXFLAG_LIST;
2815 else
2816 eap->flags |= EXFLAG_PRINT;
2817 }
2818 }
2819
2820 if (ASCII_ISLOWER(*eap->cmd))
2821 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2822 else
2823 eap->cmdidx = cmdidxs[26];
2824
2825 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2826 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2827 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2828 (size_t)len) == 0)
2829 {
2830 #ifdef FEAT_EVAL
2831 if (full != NULL
2832 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2833 *full = TRUE;
2834 #endif
2835 break;
2836 }
2837
2838 #ifdef FEAT_USR_CMDS
2839 /* Look for a user defined command as a last resort */
2840 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2841 {
2842 /* User defined commands may contain digits. */
2843 while (ASCII_ISALNUM(*p))
2844 ++p;
2845 p = find_ucmd(eap, p, full, NULL, NULL);
2846 }
2847 #endif
2848 if (p == eap->cmd)
2849 eap->cmdidx = CMD_SIZE;
2850 }
2851
2852 return p;
2853 }
2854
2855 #ifdef FEAT_USR_CMDS
2856 /*
2857 * Search for a user command that matches "eap->cmd".
2858 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2859 * Return a pointer to just after the command.
2860 * Return NULL if there is no matching command.
2861 */
2862 static char_u *
2863 find_ucmd(eap, p, full, xp, compl)
2864 exarg_T *eap;
2865 char_u *p; /* end of the command (possibly including count) */
2866 int *full; /* set to TRUE for a full match */
2867 expand_T *xp; /* used for completion, NULL otherwise */
2868 int *compl; /* completion flags or NULL */
2869 {
2870 int len = (int)(p - eap->cmd);
2871 int j, k, matchlen = 0;
2872 ucmd_T *uc;
2873 int found = FALSE;
2874 int possible = FALSE;
2875 char_u *cp, *np; /* Point into typed cmd and test name */
2876 garray_T *gap;
2877 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2878 only full match global is accepted. */
2879
2880 /*
2881 * Look for buffer-local user commands first, then global ones.
2882 */
2883 gap = &curbuf->b_ucmds;
2884 for (;;)
2885 {
2886 for (j = 0; j < gap->ga_len; ++j)
2887 {
2888 uc = USER_CMD_GA(gap, j);
2889 cp = eap->cmd;
2890 np = uc->uc_name;
2891 k = 0;
2892 while (k < len && *np != NUL && *cp++ == *np++)
2893 k++;
2894 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2895 {
2896 /* If finding a second match, the command is ambiguous. But
2897 * not if a buffer-local command wasn't a full match and a
2898 * global command is a full match. */
2899 if (k == len && found && *np != NUL)
2900 {
2901 if (gap == &ucmds)
2902 return NULL;
2903 amb_local = TRUE;
2904 }
2905
2906 if (!found || (k == len && *np == NUL))
2907 {
2908 /* If we matched up to a digit, then there could
2909 * be another command including the digit that we
2910 * should use instead.
2911 */
2912 if (k == len)
2913 found = TRUE;
2914 else
2915 possible = TRUE;
2916
2917 if (gap == &ucmds)
2918 eap->cmdidx = CMD_USER;
2919 else
2920 eap->cmdidx = CMD_USER_BUF;
2921 eap->argt = (long)uc->uc_argt;
2922 eap->useridx = j;
2923
2924 # ifdef FEAT_CMDL_COMPL
2925 if (compl != NULL)
2926 *compl = uc->uc_compl;
2927 # ifdef FEAT_EVAL
2928 if (xp != NULL)
2929 {
2930 xp->xp_arg = uc->uc_compl_arg;
2931 xp->xp_scriptID = uc->uc_scriptID;
2932 }
2933 # endif
2934 # endif
2935 /* Do not search for further abbreviations
2936 * if this is an exact match. */
2937 matchlen = k;
2938 if (k == len && *np == NUL)
2939 {
2940 if (full != NULL)
2941 *full = TRUE;
2942 amb_local = FALSE;
2943 break;
2944 }
2945 }
2946 }
2947 }
2948
2949 /* Stop if we found a full match or searched all. */
2950 if (j < gap->ga_len || gap == &ucmds)
2951 break;
2952 gap = &ucmds;
2953 }
2954
2955 /* Only found ambiguous matches. */
2956 if (amb_local)
2957 {
2958 if (xp != NULL)
2959 xp->xp_context = EXPAND_UNSUCCESSFUL;
2960 return NULL;
2961 }
2962
2963 /* The match we found may be followed immediately by a number. Move "p"
2964 * back to point to it. */
2965 if (found || possible)
2966 return p + (matchlen - len);
2967 return p;
2968 }
2969 #endif
2970
2971 #if defined(FEAT_EVAL) || defined(PROTO)
2972 static struct cmdmod
2973 {
2974 char *name;
2975 int minlen;
2976 int has_count; /* :123verbose :3tab */
2977 } cmdmods[] = {
2978 {"aboveleft", 3, FALSE},
2979 {"belowright", 3, FALSE},
2980 {"botright", 2, FALSE},
2981 {"browse", 3, FALSE},
2982 {"confirm", 4, FALSE},
2983 {"hide", 3, FALSE},
2984 {"keepalt", 5, FALSE},
2985 {"keepjumps", 5, FALSE},
2986 {"keepmarks", 3, FALSE},
2987 {"leftabove", 5, FALSE},
2988 {"lockmarks", 3, FALSE},
2989 {"noautocmd", 3, FALSE},
2990 {"rightbelow", 6, FALSE},
2991 {"sandbox", 3, FALSE},
2992 {"silent", 3, FALSE},
2993 {"tab", 3, TRUE},
2994 {"topleft", 2, FALSE},
2995 {"verbose", 4, TRUE},
2996 {"vertical", 4, FALSE},
2997 };
2998
2999 /*
3000 * Return length of a command modifier (including optional count).
3001 * Return zero when it's not a modifier.
3002 */
3003 int
3004 modifier_len(cmd)
3005 char_u *cmd;
3006 {
3007 int i, j;
3008 char_u *p = cmd;
3009
3010 if (VIM_ISDIGIT(*cmd))
3011 p = skipwhite(skipdigits(cmd));
3012 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3013 {
3014 for (j = 0; p[j] != NUL; ++j)
3015 if (p[j] != cmdmods[i].name[j])
3016 break;
3017 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3018 && (p == cmd || cmdmods[i].has_count))
3019 return j + (int)(p - cmd);
3020 }
3021 return 0;
3022 }
3023
3024 /*
3025 * Return > 0 if an Ex command "name" exists.
3026 * Return 2 if there is an exact match.
3027 * Return 3 if there is an ambiguous match.
3028 */
3029 int
3030 cmd_exists(name)
3031 char_u *name;
3032 {
3033 exarg_T ea;
3034 int full = FALSE;
3035 int i;
3036 int j;
3037 char_u *p;
3038
3039 /* Check command modifiers. */
3040 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3041 {
3042 for (j = 0; name[j] != NUL; ++j)
3043 if (name[j] != cmdmods[i].name[j])
3044 break;
3045 if (name[j] == NUL && j >= cmdmods[i].minlen)
3046 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3047 }
3048
3049 /* Check built-in commands and user defined commands.
3050 * For ":2match" and ":3match" we need to skip the number. */
3051 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3052 ea.cmdidx = (cmdidx_T)0;
3053 p = find_command(&ea, &full);
3054 if (p == NULL)
3055 return 3;
3056 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3057 return 0;
3058 if (*skipwhite(p) != NUL)
3059 return 0; /* trailing garbage */
3060 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3061 }
3062 #endif
3063
3064 /*
3065 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3066 * we don't need/want deleted. Maybe this could be done better if we didn't
3067 * repeat all this stuff. The only problem is that they may not stay
3068 * perfectly compatible with each other, but then the command line syntax
3069 * probably won't change that much -- webb.
3070 */
3071 char_u *
3072 set_one_cmd_context(xp, buff)
3073 expand_T *xp;
3074 char_u *buff; /* buffer for command string */
3075 {
3076 char_u *p;
3077 char_u *cmd, *arg;
3078 int len = 0;
3079 exarg_T ea;
3080 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3081 int compl = EXPAND_NOTHING;
3082 #endif
3083 #ifdef FEAT_CMDL_COMPL
3084 int delim;
3085 #endif
3086 int forceit = FALSE;
3087 int usefilter = FALSE; /* filter instead of file name */
3088
3089 ExpandInit(xp);
3090 xp->xp_pattern = buff;
3091 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3092 ea.argt = 0;
3093
3094 /*
3095 * 2. skip comment lines and leading space, colons or bars
3096 */
3097 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3098 ;
3099 xp->xp_pattern = cmd;
3100
3101 if (*cmd == NUL)
3102 return NULL;
3103 if (*cmd == '"') /* ignore comment lines */
3104 {
3105 xp->xp_context = EXPAND_NOTHING;
3106 return NULL;
3107 }
3108
3109 /*
3110 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3111 */
3112 cmd = skip_range(cmd, &xp->xp_context);
3113
3114 /*
3115 * 4. parse command
3116 */
3117 xp->xp_pattern = cmd;
3118 if (*cmd == NUL)
3119 return NULL;
3120 if (*cmd == '"')
3121 {
3122 xp->xp_context = EXPAND_NOTHING;
3123 return NULL;
3124 }
3125
3126 if (*cmd == '|' || *cmd == '\n')
3127 return cmd + 1; /* There's another command */
3128
3129 /*
3130 * Isolate the command and search for it in the command table.
3131 * Exceptions:
3132 * - the 'k' command can directly be followed by any character, but
3133 * do accept "keepmarks", "keepalt" and "keepjumps".
3134 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3135 */
3136 if (*cmd == 'k' && cmd[1] != 'e')
3137 {
3138 ea.cmdidx = CMD_k;
3139 p = cmd + 1;
3140 }
3141 else
3142 {
3143 p = cmd;
3144 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3145 ++p;
3146 /* check for non-alpha command */
3147 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3148 ++p;
3149 len = (int)(p - cmd);
3150
3151 if (len == 0)
3152 {
3153 xp->xp_context = EXPAND_UNSUCCESSFUL;
3154 return NULL;
3155 }
3156 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3157 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3158 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3159 break;
3160
3161 #ifdef FEAT_USR_CMDS
3162 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3163 {
3164 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3165 ++p;
3166 len = (int)(p - cmd);
3167 }
3168 #endif
3169 }
3170
3171 /*
3172 * If the cursor is touching the command, and it ends in an alpha-numeric
3173 * character, complete the command name.
3174 */
3175 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3176 return NULL;
3177
3178 if (ea.cmdidx == CMD_SIZE)
3179 {
3180 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3181 {
3182 ea.cmdidx = CMD_substitute;
3183 p = cmd + 1;
3184 }
3185 #ifdef FEAT_USR_CMDS
3186 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3187 {
3188 ea.cmd = cmd;
3189 p = find_ucmd(&ea, p, NULL, xp,
3190 # if defined(FEAT_CMDL_COMPL)
3191 &compl
3192 # else
3193 NULL
3194 # endif
3195 );
3196 if (p == NULL)
3197 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3198 }
3199 #endif
3200 }
3201 if (ea.cmdidx == CMD_SIZE)
3202 {
3203 /* Not still touching the command and it was an illegal one */
3204 xp->xp_context = EXPAND_UNSUCCESSFUL;
3205 return NULL;
3206 }
3207
3208 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3209
3210 if (*p == '!') /* forced commands */
3211 {
3212 forceit = TRUE;
3213 ++p;
3214 }
3215
3216 /*
3217 * 5. parse arguments
3218 */
3219 #ifdef FEAT_USR_CMDS
3220 if (!USER_CMDIDX(ea.cmdidx))
3221 #endif
3222 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3223
3224 arg = skipwhite(p);
3225
3226 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3227 {
3228 if (*arg == '>') /* append */
3229 {
3230 if (*++arg == '>')
3231 ++arg;
3232 arg = skipwhite(arg);
3233 }
3234 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3235 {
3236 ++arg;
3237 usefilter = TRUE;
3238 }
3239 }
3240
3241 if (ea.cmdidx == CMD_read)
3242 {
3243 usefilter = forceit; /* :r! filter if forced */
3244 if (*arg == '!') /* :r !filter */
3245 {
3246 ++arg;
3247 usefilter = TRUE;
3248 }
3249 }
3250
3251 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3252 {
3253 while (*arg == *cmd) /* allow any number of '>' or '<' */
3254 ++arg;
3255 arg = skipwhite(arg);
3256 }
3257
3258 /* Does command allow "+command"? */
3259 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3260 {
3261 /* Check if we're in the +command */
3262 p = arg + 1;
3263 arg = skip_cmd_arg(arg, FALSE);
3264
3265 /* Still touching the command after '+'? */
3266 if (*arg == NUL)
3267 return p;
3268
3269 /* Skip space(s) after +command to get to the real argument */
3270 arg = skipwhite(arg);
3271 }
3272
3273 /*
3274 * Check for '|' to separate commands and '"' to start comments.
3275 * Don't do this for ":read !cmd" and ":write !cmd".
3276 */
3277 if ((ea.argt & TRLBAR) && !usefilter)
3278 {
3279 p = arg;
3280 /* ":redir @" is not the start of a comment */
3281 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3282 p += 2;
3283 while (*p)
3284 {
3285 if (*p == Ctrl_V)
3286 {
3287 if (p[1] != NUL)
3288 ++p;
3289 }
3290 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3291 || *p == '|' || *p == '\n')
3292 {
3293 if (*(p - 1) != '\\')
3294 {
3295 if (*p == '|' || *p == '\n')
3296 return p + 1;
3297 return NULL; /* It's a comment */
3298 }
3299 }
3300 mb_ptr_adv(p);
3301 }
3302 }
3303
3304 /* no arguments allowed */
3305 if (!(ea.argt & EXTRA) && *arg != NUL &&
3306 vim_strchr((char_u *)"|\"", *arg) == NULL)
3307 return NULL;
3308
3309 /* Find start of last argument (argument just before cursor): */
3310 p = buff + STRLEN(buff);
3311 while (p != arg && *p != ' ' && *p != TAB)
3312 p--;
3313 if (*p == ' ' || *p == TAB)
3314 p++;
3315 xp->xp_pattern = p;
3316
3317 if (ea.argt & XFILE)
3318 {
3319 int c;
3320 int in_quote = FALSE;
3321 char_u *bow = NULL; /* Beginning of word */
3322
3323 /*
3324 * Allow spaces within back-quotes to count as part of the argument
3325 * being expanded.
3326 */
3327 xp->xp_pattern = skipwhite(arg);
3328 p = xp->xp_pattern;
3329 while (*p != NUL)
3330 {
3331 #ifdef FEAT_MBYTE
3332 if (has_mbyte)
3333 c = mb_ptr2char(p);
3334 else
3335 #endif
3336 c = *p;
3337 if (c == '\\' && p[1] != NUL)
3338 ++p;
3339 else if (c == '`')
3340 {
3341 if (!in_quote)
3342 {
3343 xp->xp_pattern = p;
3344 bow = p + 1;
3345 }
3346 in_quote = !in_quote;
3347 }
3348 /* An argument can contain just about everything, except
3349 * characters that end the command and white space. */
3350 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3351 #ifdef SPACE_IN_FILENAME
3352 && (!(ea.argt & NOSPC) || usefilter)
3353 #endif
3354 ))
3355 {
3356 len = 0; /* avoid getting stuck when space is in 'isfname' */
3357 while (*p != NUL)
3358 {
3359 #ifdef FEAT_MBYTE
3360 if (has_mbyte)
3361 c = mb_ptr2char(p);
3362 else
3363 #endif
3364 c = *p;
3365 if (c == '`' || vim_isfilec_or_wc(c))
3366 break;
3367 #ifdef FEAT_MBYTE
3368 if (has_mbyte)
3369 len = (*mb_ptr2len)(p);
3370 else
3371 #endif
3372 len = 1;
3373 mb_ptr_adv(p);
3374 }
3375 if (in_quote)
3376 bow = p;
3377 else
3378 xp->xp_pattern = p;
3379 p -= len;
3380 }
3381 mb_ptr_adv(p);
3382 }
3383
3384 /*
3385 * If we are still inside the quotes, and we passed a space, just
3386 * expand from there.
3387 */
3388 if (bow != NULL && in_quote)
3389 xp->xp_pattern = bow;
3390 xp->xp_context = EXPAND_FILES;
3391
3392 #ifndef BACKSLASH_IN_FILENAME
3393 /* For a shell command more chars need to be escaped. */
3394 if (usefilter || ea.cmdidx == CMD_bang)
3395 {
3396 xp->xp_shell = TRUE;
3397
3398 /* When still after the command name expand executables. */
3399 if (xp->xp_pattern == skipwhite(arg))
3400 xp->xp_context = EXPAND_SHELLCMD;
3401 }
3402 #endif
3403
3404 /* Check for environment variable */
3405 if (*xp->xp_pattern == '$'
3406 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3407 || *xp->xp_pattern == '%'
3408 #endif
3409 )
3410 {
3411 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3412 if (!vim_isIDc(*p))
3413 break;
3414 if (*p == NUL)
3415 {
3416 xp->xp_context = EXPAND_ENV_VARS;
3417 ++xp->xp_pattern;
3418 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3419 /* Avoid that the assignment uses EXPAND_FILES again. */
3420 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3421 compl = EXPAND_ENV_VARS;
3422 #endif
3423 }
3424 }
3425 }
3426
3427 /*
3428 * 6. switch on command name
3429 */
3430 switch (ea.cmdidx)
3431 {
3432 case CMD_cd:
3433 case CMD_chdir:
3434 case CMD_lcd:
3435 case CMD_lchdir:
3436 if (xp->xp_context == EXPAND_FILES)
3437 xp->xp_context = EXPAND_DIRECTORIES;
3438 break;
3439 case CMD_help:
3440 xp->xp_context = EXPAND_HELP;
3441 xp->xp_pattern = arg;
3442 break;
3443
3444 /* Command modifiers: return the argument.
3445 * Also for commands with an argument that is a command. */
3446 case CMD_aboveleft:
3447 case CMD_argdo:
3448 case CMD_belowright:
3449 case CMD_botright:
3450 case CMD_browse:
3451 case CMD_bufdo:
3452 case CMD_confirm:
3453 case CMD_debug:
3454 case CMD_folddoclosed:
3455 case CMD_folddoopen:
3456 case CMD_hide:
3457 case CMD_keepalt:
3458 case CMD_keepjumps:
3459 case CMD_keepmarks:
3460 case CMD_leftabove:
3461 case CMD_lockmarks:
3462 case CMD_rightbelow:
3463 case CMD_sandbox:
3464 case CMD_silent:
3465 case CMD_tab:
3466 case CMD_topleft:
3467 case CMD_verbose:
3468 case CMD_vertical:
3469 case CMD_windo:
3470 return arg;
3471
3472 #ifdef FEAT_CMDL_COMPL
3473 # ifdef FEAT_SEARCH_EXTRA
3474 case CMD_match:
3475 if (*arg == NUL || !ends_excmd(*arg))
3476 {
3477 /* also complete "None" */
3478 set_context_in_echohl_cmd(xp, arg);
3479 arg = skipwhite(skiptowhite(arg));
3480 if (*arg != NUL)
3481 {
3482 xp->xp_context = EXPAND_NOTHING;
3483 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3484 }
3485 }
3486 return find_nextcmd(arg);
3487 # endif
3488
3489 /*
3490 * All completion for the +cmdline_compl feature goes here.
3491 */
3492
3493 # ifdef FEAT_USR_CMDS
3494 case CMD_command:
3495 /* Check for attributes */
3496 while (*arg == '-')
3497 {
3498 arg++; /* Skip "-" */
3499 p = skiptowhite(arg);
3500 if (*p == NUL)
3501 {
3502 /* Cursor is still in the attribute */
3503 p = vim_strchr(arg, '=');
3504 if (p == NULL)
3505 {
3506 /* No "=", so complete attribute names */
3507 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3508 xp->xp_pattern = arg;
3509 return NULL;
3510 }
3511
3512 /* For the -complete and -nargs attributes, we complete
3513 * their arguments as well.
3514 */
3515 if (STRNICMP(arg, "complete", p - arg) == 0)
3516 {
3517 xp->xp_context = EXPAND_USER_COMPLETE;
3518 xp->xp_pattern = p + 1;
3519 return NULL;
3520 }
3521 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3522 {
3523 xp->xp_context = EXPAND_USER_NARGS;
3524 xp->xp_pattern = p + 1;
3525 return NULL;
3526 }
3527 return NULL;
3528 }
3529 arg = skipwhite(p);
3530 }
3531
3532 /* After the attributes comes the new command name */
3533 p = skiptowhite(arg);
3534 if (*p == NUL)
3535 {
3536 xp->xp_context = EXPAND_USER_COMMANDS;
3537 xp->xp_pattern = arg;
3538 break;
3539 }
3540
3541 /* And finally comes a normal command */
3542 return skipwhite(p);
3543
3544 case CMD_delcommand:
3545 xp->xp_context = EXPAND_USER_COMMANDS;
3546 xp->xp_pattern = arg;
3547 break;
3548 # endif
3549
3550 case CMD_global:
3551 case CMD_vglobal:
3552 delim = *arg; /* get the delimiter */
3553 if (delim)
3554 ++arg; /* skip delimiter if there is one */
3555
3556 while (arg[0] != NUL && arg[0] != delim)
3557 {
3558 if (arg[0] == '\\' && arg[1] != NUL)
3559 ++arg;
3560 ++arg;
3561 }
3562 if (arg[0] != NUL)
3563 return arg + 1;
3564 break;
3565 case CMD_and:
3566 case CMD_substitute:
3567 delim = *arg;
3568 if (delim)
3569 {
3570 /* skip "from" part */
3571 ++arg;
3572 arg = skip_regexp(arg, delim, p_magic, NULL);
3573 }
3574 /* skip "to" part */
3575 while (arg[0] != NUL && arg[0] != delim)
3576 {
3577 if (arg[0] == '\\' && arg[1] != NUL)
3578 ++arg;
3579 ++arg;
3580 }
3581 if (arg[0] != NUL) /* skip delimiter */
3582 ++arg;
3583 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3584 ++arg;
3585 if (arg[0] != NUL)
3586 return arg;
3587 break;
3588 case CMD_isearch:
3589 case CMD_dsearch:
3590 case CMD_ilist:
3591 case CMD_dlist:
3592 case CMD_ijump:
3593 case CMD_psearch:
3594 case CMD_djump:
3595 case CMD_isplit:
3596 case CMD_dsplit:
3597 arg = skipwhite(skipdigits(arg)); /* skip count */
3598 if (*arg == '/') /* Match regexp, not just whole words */
3599 {
3600 for (++arg; *arg && *arg != '/'; arg++)
3601 if (*arg == '\\' && arg[1] != NUL)
3602 arg++;
3603 if (*arg)
3604 {
3605 arg = skipwhite(arg + 1);
3606
3607 /* Check for trailing illegal characters */
3608 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3609 xp->xp_context = EXPAND_NOTHING;
3610 else
3611 return arg;
3612 }
3613 }
3614 break;
3615 #ifdef FEAT_AUTOCMD
3616 case CMD_autocmd:
3617 return set_context_in_autocmd(xp, arg, FALSE);
3618
3619 case CMD_doautocmd:
3620 case CMD_doautoall:
3621 return set_context_in_autocmd(xp, arg, TRUE);
3622 #endif
3623 case CMD_set:
3624 set_context_in_set_cmd(xp, arg, 0);
3625 break;
3626 case CMD_setglobal:
3627 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3628 break;
3629 case CMD_setlocal:
3630 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3631 break;
3632 case CMD_tag:
3633 case CMD_stag:
3634 case CMD_ptag:
3635 case CMD_ltag:
3636 case CMD_tselect:
3637 case CMD_stselect:
3638 case CMD_ptselect:
3639 case CMD_tjump:
3640 case CMD_stjump:
3641 case CMD_ptjump:
3642 if (*p_wop != NUL)
3643 xp->xp_context = EXPAND_TAGS_LISTFILES;
3644 else
3645 xp->xp_context = EXPAND_TAGS;
3646 xp->xp_pattern = arg;
3647 break;
3648 case CMD_augroup:
3649 xp->xp_context = EXPAND_AUGROUP;
3650 xp->xp_pattern = arg;
3651 break;
3652 #ifdef FEAT_SYN_HL
3653 case CMD_syntax:
3654 set_context_in_syntax_cmd(xp, arg);
3655 break;
3656 #endif
3657 #ifdef FEAT_EVAL
3658 case CMD_let:
3659 case CMD_if:
3660 case CMD_elseif:
3661 case CMD_while:
3662 case CMD_for:
3663 case CMD_echo:
3664 case CMD_echon:
3665 case CMD_execute:
3666 case CMD_echomsg:
3667 case CMD_echoerr:
3668 case CMD_call:
3669 case CMD_return:
3670 set_context_for_expression(xp, arg, ea.cmdidx);
3671 break;
3672
3673 case CMD_unlet:
3674 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3675 arg = xp->xp_pattern + 1;
3676 xp->xp_context = EXPAND_USER_VARS;
3677 xp->xp_pattern = arg;
3678 break;
3679
3680 case CMD_function:
3681 case CMD_delfunction:
3682 xp->xp_context = EXPAND_USER_FUNC;
3683 xp->xp_pattern = arg;
3684 break;
3685
3686 case CMD_echohl:
3687 set_context_in_echohl_cmd(xp, arg);
3688 break;
3689 #endif
3690 case CMD_highlight:
3691 set_context_in_highlight_cmd(xp, arg);
3692 break;
3693 #ifdef FEAT_LISTCMDS
3694 case CMD_bdelete:
3695 case CMD_bwipeout:
3696 case CMD_bunload:
3697 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3698 arg = xp->xp_pattern + 1;
3699 /*FALLTHROUGH*/
3700 case CMD_buffer:
3701 case CMD_sbuffer:
3702 case CMD_checktime:
3703 xp->xp_context = EXPAND_BUFFERS;
3704 xp->xp_pattern = arg;
3705 break;
3706 #endif
3707 #ifdef FEAT_USR_CMDS
3708 case CMD_USER:
3709 case CMD_USER_BUF:
3710 if (compl != EXPAND_NOTHING)
3711 {
3712 /* XFILE: file names are handled above */
3713 if (!(ea.argt & XFILE))
3714 {
3715 # ifdef FEAT_MENU
3716 if (compl == EXPAND_MENUS)
3717 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3718 # endif
3719 if (compl == EXPAND_COMMANDS)
3720 return arg;
3721 if (compl == EXPAND_MAPPINGS)
3722 return set_context_in_map_cmd(xp, (char_u *)"map",
3723 arg, forceit, FALSE, FALSE, CMD_map);
3724 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3725 arg = xp->xp_pattern + 1;
3726 xp->xp_pattern = arg;
3727 }
3728 xp->xp_context = compl;
3729 }
3730 break;
3731 #endif
3732 case CMD_map: case CMD_noremap:
3733 case CMD_nmap: case CMD_nnoremap:
3734 case CMD_vmap: case CMD_vnoremap:
3735 case CMD_omap: case CMD_onoremap:
3736 case CMD_imap: case CMD_inoremap:
3737 case CMD_cmap: case CMD_cnoremap:
3738 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3739 FALSE, FALSE, ea.cmdidx);
3740 case CMD_unmap:
3741 case CMD_nunmap:
3742 case CMD_vunmap:
3743 case CMD_ounmap:
3744 case CMD_iunmap:
3745 case CMD_cunmap:
3746 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3747 FALSE, TRUE, ea.cmdidx);
3748 case CMD_abbreviate: case CMD_noreabbrev:
3749 case CMD_cabbrev: case CMD_cnoreabbrev:
3750 case CMD_iabbrev: case CMD_inoreabbrev:
3751 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3752 TRUE, FALSE, ea.cmdidx);
3753 case CMD_unabbreviate:
3754 case CMD_cunabbrev:
3755 case CMD_iunabbrev:
3756 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3757 TRUE, TRUE, ea.cmdidx);
3758 #ifdef FEAT_MENU
3759 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3760 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3761 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3762 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3763 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3764 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3765 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3766 case CMD_tmenu: case CMD_tunmenu:
3767 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3768 #ifdef FEAT_GUI_MACVIM
3769 case CMD_macmenu:
3770 #endif
3771 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3772 #endif
3773
3774 case CMD_colorscheme:
3775 xp->xp_context = EXPAND_COLORS;
3776 xp->xp_pattern = arg;
3777 break;
3778
3779 case CMD_compiler:
3780 xp->xp_context = EXPAND_COMPILER;
3781 xp->xp_pattern = arg;
3782 break;
3783
3784 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3785 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3786 case CMD_language:
3787 if (*skiptowhite(arg) == NUL)
3788 {
3789 xp->xp_context = EXPAND_LANGUAGE;
3790 xp->xp_pattern = arg;
3791 }
3792 else
3793 xp->xp_context = EXPAND_NOTHING;
3794 break;
3795 #endif
3796
3797 #ifdef FEAT_GUI_MACVIM
3798 case CMD_macaction:
3799 xp->xp_context = EXPAND_MACACTION;
3800 xp->xp_pattern = arg;
3801 break;
3802 #endif
3803
3804
3805 #endif /* FEAT_CMDL_COMPL */
3806
3807 default:
3808 break;
3809 }
3810 return NULL;
3811 }
3812
3813 /*
3814 * skip a range specifier of the form: addr [,addr] [;addr] ..
3815 *
3816 * Backslashed delimiters after / or ? will be skipped, and commands will
3817 * not be expanded between /'s and ?'s or after "'".
3818 *
3819 * Also skip white space and ":" characters.
3820 * Returns the "cmd" pointer advanced to beyond the range.
3821 */
3822 char_u *
3823 skip_range(cmd, ctx)
3824 char_u *cmd;
3825 int *ctx; /* pointer to xp_context or NULL */
3826 {
3827 int delim;
3828
3829 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3830 {
3831 if (*cmd == '\'')
3832 {
3833 if (*++cmd == NUL && ctx != NULL)
3834 *ctx = EXPAND_NOTHING;
3835 }
3836 else if (*cmd == '/' || *cmd == '?')
3837 {
3838 delim = *cmd++;
3839 while (*cmd != NUL && *cmd != delim)
3840 if (*cmd++ == '\\' && *cmd != NUL)
3841 ++cmd;
3842 if (*cmd == NUL && ctx != NULL)
3843 *ctx = EXPAND_NOTHING;
3844 }
3845 if (*cmd != NUL)
3846 ++cmd;
3847 }
3848
3849 /* Skip ":" and white space. */
3850 while (*cmd == ':')
3851 cmd = skipwhite(cmd + 1);
3852
3853 return cmd;
3854 }
3855
3856 /*
3857 * get a single EX address
3858 *
3859 * Set ptr to the next character after the part that was interpreted.
3860 * Set ptr to NULL when an error is encountered.
3861 *
3862 * Return MAXLNUM when no Ex address was found.
3863 */
3864 static linenr_T
3865 get_address(ptr, skip, to_other_file)
3866 char_u **ptr;
3867 int skip; /* only skip the address, don't use it */
3868 int to_other_file; /* flag: may jump to other file */
3869 {
3870 int c;
3871 int i;
3872 long n;
3873 char_u *cmd;
3874 pos_T pos;
3875 pos_T *fp;
3876 linenr_T lnum;
3877
3878 cmd = skipwhite(*ptr);
3879 lnum = MAXLNUM;
3880 do
3881 {
3882 switch (*cmd)
3883 {
3884 case '.': /* '.' - Cursor position */
3885 ++cmd;
3886 lnum = curwin->w_cursor.lnum;
3887 break;
3888
3889 case '$': /* '$' - last line */
3890 ++cmd;
3891 lnum = curbuf->b_ml.ml_line_count;
3892 break;
3893
3894 case '\'': /* ''' - mark */
3895 if (*++cmd == NUL)
3896 {
3897 cmd = NULL;
3898 goto error;
3899 }
3900 if (skip)
3901 ++cmd;
3902 else
3903 {
3904 /* Only accept a mark in another file when it is
3905 * used by itself: ":'M". */
3906 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3907 ++cmd;
3908 if (fp == (pos_T *)-1)
3909 /* Jumped to another file. */
3910 lnum = curwin->w_cursor.lnum;
3911 else
3912 {
3913 if (check_mark(fp) == FAIL)
3914 {
3915 cmd = NULL;
3916 goto error;
3917 }
3918 lnum = fp->lnum;
3919 }
3920 }
3921 break;
3922
3923 case '/':
3924 case '?': /* '/' or '?' - search */
3925 c = *cmd++;
3926 if (skip) /* skip "/pat/" */
3927 {
3928 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3929 if (*cmd == c)
3930 ++cmd;
3931 }
3932 else
3933 {
3934 pos = curwin->w_cursor; /* save curwin->w_cursor */
3935 /*
3936 * When '/' or '?' follows another address, start
3937 * from there.
3938 */
3939 if (lnum != MAXLNUM)
3940 curwin->w_cursor.lnum = lnum;
3941 /*
3942 * Start a forward search at the end of the line.
3943 * Start a backward search at the start of the line.
3944 * This makes sure we never match in the current
3945 * line, and can match anywhere in the
3946 * next/previous line.
3947 */
3948 if (c == '/')
3949 curwin->w_cursor.col = MAXCOL;
3950 else
3951 curwin->w_cursor.col = 0;
3952 searchcmdlen = 0;
3953 if (!do_search(NULL, c, cmd, 1L,
3954 SEARCH_HIS | SEARCH_MSG, NULL))
3955 {
3956 curwin->w_cursor = pos;
3957 cmd = NULL;
3958 goto error;
3959 }
3960 lnum = curwin->w_cursor.lnum;
3961 curwin->w_cursor = pos;
3962 /* adjust command string pointer */
3963 cmd += searchcmdlen;
3964 }
3965 break;
3966
3967 case '\\': /* "\?", "\/" or "\&", repeat search */
3968 ++cmd;
3969 if (*cmd == '&')
3970 i = RE_SUBST;
3971 else if (*cmd == '?' || *cmd == '/')
3972 i = RE_SEARCH;
3973 else
3974 {
3975 EMSG(_(e_backslash));
3976 cmd = NULL;
3977 goto error;
3978 }
3979
3980 if (!skip)
3981 {
3982 /*
3983 * When search follows another address, start from
3984 * there.
3985 */
3986 if (lnum != MAXLNUM)
3987 pos.lnum = lnum;
3988 else
3989 pos.lnum = curwin->w_cursor.lnum;
3990
3991 /*
3992 * Start the search just like for the above
3993 * do_search().
3994 */
3995 if (*cmd != '?')
3996 pos.col = MAXCOL;
3997 else
3998 pos.col = 0;
3999 if (searchit(curwin, curbuf, &pos,
4000 *cmd == '?' ? BACKWARD : FORWARD,
4001 (char_u *)"", 1L, SEARCH_MSG,
4002 i, (linenr_T)0, NULL) != FAIL)
4003 lnum = pos.lnum;
4004 else
4005 {
4006 cmd = NULL;
4007 goto error;
4008 }
4009 }
4010 ++cmd;
4011 break;
4012
4013 default:
4014 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4015 lnum = getdigits(&cmd);
4016 }
4017
4018 for (;;)
4019 {
4020 cmd = skipwhite(cmd);
4021 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4022 break;
4023
4024 if (lnum == MAXLNUM)
4025 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4026 if (VIM_ISDIGIT(*cmd))
4027 i = '+'; /* "number" is same as "+number" */
4028 else
4029 i = *cmd++;
4030 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4031 n = 1;
4032 else
4033 n = getdigits(&cmd);
4034 if (i == '-')
4035 lnum -= n;
4036 else
4037 lnum += n;
4038 }
4039 } while (*cmd == '/' || *cmd == '?');
4040
4041 error:
4042 *ptr = cmd;
4043 return lnum;
4044 }
4045
4046 /*
4047 * Get flags from an Ex command argument.
4048 */
4049 static void
4050 get_flags(eap)
4051 exarg_T *eap;
4052 {
4053 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4054 {
4055 if (*eap->arg == 'l')
4056 eap->flags |= EXFLAG_LIST;
4057 else if (*eap->arg == 'p')
4058 eap->flags |= EXFLAG_PRINT;
4059 else
4060 eap->flags |= EXFLAG_NR;
4061 eap->arg = skipwhite(eap->arg + 1);
4062 }
4063 }
4064
4065 /*
4066 * Function called for command which is Not Implemented. NI!
4067 */
4068 void
4069 ex_ni(eap)
4070 exarg_T *eap;
4071 {
4072 if (!eap->skip)
4073 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4074 }
4075
4076 #ifdef HAVE_EX_SCRIPT_NI
4077 /*
4078 * Function called for script command which is Not Implemented. NI!
4079 * Skips over ":perl <<EOF" constructs.
4080 */
4081 static void
4082 ex_script_ni(eap)
4083 exarg_T *eap;
4084 {
4085 if (!eap->skip)
4086 ex_ni(eap);
4087 else
4088 vim_free(script_get(eap, eap->arg));
4089 }
4090 #endif
4091
4092 /*
4093 * Check range in Ex command for validity.
4094 * Return NULL when valid, error message when invalid.
4095 */
4096 static char_u *
4097 invalid_range(eap)
4098 exarg_T *eap;
4099 {
4100 if ( eap->line1 < 0
4101 || eap->line2 < 0
4102 || eap->line1 > eap->line2
4103 || ((eap->argt & RANGE)
4104 && !(eap->argt & NOTADR)
4105 && eap->line2 > curbuf->b_ml.ml_line_count
4106 #ifdef FEAT_DIFF
4107 + (eap->cmdidx == CMD_diffget)
4108 #endif
4109 ))
4110 return (char_u *)_(e_invrange);
4111 return NULL;
4112 }
4113
4114 /*
4115 * Correct the range for zero line number, if required.
4116 */
4117 static void
4118 correct_range(eap)
4119 exarg_T *eap;
4120 {
4121 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4122 {
4123 if (eap->line1 == 0)
4124 eap->line1 = 1;
4125 if (eap->line2 == 0)
4126 eap->line2 = 1;
4127 }
4128 }
4129
4130 #ifdef FEAT_QUICKFIX
4131 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4132
4133 /*
4134 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4135 * pattern. Otherwise return eap->arg.
4136 */
4137 static char_u *
4138 skip_grep_pat(eap)
4139 exarg_T *eap;
4140 {
4141 char_u *p = eap->arg;
4142
4143 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4144 || eap->cmdidx == CMD_vimgrepadd
4145 || eap->cmdidx == CMD_lvimgrepadd
4146 || grep_internal(eap->cmdidx)))
4147 {
4148 p = skip_vimgrep_pat(p, NULL, NULL);
4149 if (p == NULL)
4150 p = eap->arg;
4151 }
4152 return p;
4153 }
4154
4155 /*
4156 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4157 * in the command line, so that things like % get expanded.
4158 */
4159 static char_u *
4160 replace_makeprg(eap, p, cmdlinep)
4161 exarg_T *eap;
4162 char_u *p;
4163 char_u **cmdlinep;
4164 {
4165 char_u *new_cmdline;
4166 char_u *program;
4167 char_u *pos;
4168 char_u *ptr;
4169 int len;
4170 int i;
4171
4172 /*
4173 * Don't do it when ":vimgrep" is used for ":grep".
4174 */
4175 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4176 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4177 || eap->cmdidx == CMD_grepadd
4178 || eap->cmdidx == CMD_lgrepadd)
4179 && !grep_internal(eap->cmdidx))
4180 {
4181 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4182 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4183 {
4184 if (*curbuf->b_p_gp == NUL)
4185 program = p_gp;
4186 else
4187 program = curbuf->b_p_gp;
4188 }
4189 else
4190 {
4191 if (*curbuf->b_p_mp == NUL)
4192 program = p_mp;
4193 else
4194 program = curbuf->b_p_mp;
4195 }
4196
4197 p = skipwhite(p);
4198
4199 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4200 {
4201 /* replace $* by given arguments */
4202 i = 1;
4203 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4204 ++i;
4205 len = (int)STRLEN(p);
4206 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4207 if (new_cmdline == NULL)
4208 return NULL; /* out of memory */
4209 ptr = new_cmdline;
4210 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4211 {
4212 i = (int)(pos - program);
4213 STRNCPY(ptr, program, i);
4214 STRCPY(ptr += i, p);
4215 ptr += len;
4216 program = pos + 2;
4217 }
4218 STRCPY(ptr, program);
4219 }
4220 else
4221 {
4222 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4223 if (new_cmdline == NULL)
4224 return NULL; /* out of memory */
4225 STRCPY(new_cmdline, program);
4226 STRCAT(new_cmdline, " ");
4227 STRCAT(new_cmdline, p);
4228 }
4229 msg_make(p);
4230
4231 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4232 vim_free(*cmdlinep);
4233 *cmdlinep = new_cmdline;
4234 p = new_cmdline;
4235 }
4236 return p;
4237 }
4238 #endif
4239
4240 /*
4241 * Expand file name in Ex command argument.
4242 * Return FAIL for failure, OK otherwise.
4243 */
4244 int
4245 expand_filename(eap, cmdlinep, errormsgp)
4246 exarg_T *eap;
4247 char_u **cmdlinep;
4248 char_u **errormsgp;
4249 {
4250 int has_wildcards; /* need to expand wildcards */
4251 char_u *repl;
4252 int srclen;
4253 char_u *p;
4254 int n;
4255 int escaped;
4256
4257 #ifdef FEAT_QUICKFIX
4258 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4259 p = skip_grep_pat(eap);
4260 #else
4261 p = eap->arg;
4262 #endif
4263
4264 /*
4265 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4266 * the file name contains a wildcard it should not cause expanding.
4267 * (it will be expanded anyway if there is a wildcard before replacing).
4268 */
4269 has_wildcards = mch_has_wildcard(p);
4270 while (*p != NUL)
4271 {
4272 #ifdef FEAT_EVAL
4273 /* Skip over `=expr`, wildcards in it are not expanded. */
4274 if (p[0] == '`' && p[1] == '=')
4275 {
4276 p += 2;
4277 (void)skip_expr(&p);
4278 if (*p == '`')
4279 ++p;
4280 continue;
4281 }
4282 #endif
4283 /*
4284 * Quick check if this cannot be the start of a special string.
4285 * Also removes backslash before '%', '#' and '<'.
4286 */
4287 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4288 {
4289 ++p;
4290 continue;
4291 }
4292
4293 /*
4294 * Try to find a match at this position.
4295 */
4296 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4297 errormsgp, &escaped);
4298 if (*errormsgp != NULL) /* error detected */
4299 return FAIL;
4300 if (repl == NULL) /* no match found */
4301 {
4302 p += srclen;
4303 continue;
4304 }
4305
4306 /* Wildcards won't be expanded below, the replacement is taken
4307 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4308 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4309 {
4310 char_u *l = repl;
4311
4312 repl = expand_env_save(repl);
4313 vim_free(l);
4314 }
4315
4316 /* Need to escape white space et al. with a backslash.
4317 * Don't do this for:
4318 * - replacement that already has been escaped: "##"
4319 * - shell commands (may have to use quotes instead).
4320 * - non-unix systems when there is a single argument (spaces don't
4321 * separate arguments then).
4322 */
4323 if (!eap->usefilter
4324 && !escaped
4325 && eap->cmdidx != CMD_bang
4326 && eap->cmdidx != CMD_make
4327 && eap->cmdidx != CMD_lmake
4328 && eap->cmdidx != CMD_grep
4329 && eap->cmdidx != CMD_lgrep
4330 && eap->cmdidx != CMD_grepadd
4331 && eap->cmdidx != CMD_lgrepadd
4332 #ifndef UNIX
4333 && !(eap->argt & NOSPC)
4334 #endif
4335 )
4336 {
4337 char_u *l;
4338 #ifdef BACKSLASH_IN_FILENAME
4339 /* Don't escape a backslash here, because rem_backslash() doesn't
4340 * remove it later. */
4341 static char_u *nobslash = (char_u *)" \t\"|";
4342 # define ESCAPE_CHARS nobslash
4343 #else
4344 # define ESCAPE_CHARS escape_chars
4345 #endif
4346
4347 for (l = repl; *l; ++l)
4348 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4349 {
4350 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4351 if (l != NULL)
4352 {
4353 vim_free(repl);
4354 repl = l;
4355 }
4356 break;
4357 }
4358 }
4359
4360 /* For a shell command a '!' must be escaped. */
4361 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4362 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4363 {
4364 char_u *l;
4365
4366 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4367 if (l != NULL)
4368 {
4369 vim_free(repl);
4370 repl = l;
4371 /* For a sh-like shell escape "!" another time. */
4372 if (strstr((char *)p_sh, "sh") != NULL)
4373 {
4374 l = vim_strsave_escaped(repl, (char_u *)"!");
4375 if (l != NULL)
4376 {
4377 vim_free(repl);
4378 repl = l;
4379 }
4380 }
4381 }
4382 }
4383
4384 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4385 vim_free(repl);
4386 if (p == NULL)
4387 return FAIL;
4388 }
4389
4390 /*
4391 * One file argument: Expand wildcards.
4392 * Don't do this with ":r !command" or ":w !command".
4393 */
4394 if ((eap->argt & NOSPC) && !eap->usefilter)
4395 {
4396 /*
4397 * May do this twice:
4398 * 1. Replace environment variables.
4399 * 2. Replace any other wildcards, remove backslashes.
4400 */
4401 for (n = 1; n <= 2; ++n)
4402 {
4403 if (n == 2)
4404 {
4405 #ifdef UNIX
4406 /*
4407 * Only for Unix we check for more than one file name.
4408 * For other systems spaces are considered to be part
4409 * of the file name.
4410 * Only check here if there is no wildcard, otherwise
4411 * ExpandOne() will check for errors. This allows
4412 * ":e `ls ve*.c`" on Unix.
4413 */
4414 if (!has_wildcards)
4415 for (p = eap->arg; *p; ++p)
4416 {
4417 /* skip escaped characters */
4418 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4419 ++p;
4420 else if (vim_iswhite(*p))
4421 {
4422 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4423 return FAIL;
4424 }
4425 }
4426 #endif
4427
4428 /*
4429 * Halve the number of backslashes (this is Vi compatible).
4430 * For Unix and OS/2, when wildcards are expanded, this is
4431 * done by ExpandOne() below.
4432 */
4433 #if defined(UNIX) || defined(OS2)
4434 if (!has_wildcards)
4435 #endif
4436 backslash_halve(eap->arg);
4437 }
4438
4439 if (has_wildcards)
4440 {
4441 if (n == 1)
4442 {
4443 /*
4444 * First loop: May expand environment variables. This
4445 * can be done much faster with expand_env() than with
4446 * something else (e.g., calling a shell).
4447 * After expanding environment variables, check again
4448 * if there are still wildcards present.
4449 */
4450 if (vim_strchr(eap->arg, '$') != NULL
4451 || vim_strchr(eap->arg, '~') != NULL)
4452 {
4453 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4454 TRUE, TRUE, NULL);
4455 has_wildcards = mch_has_wildcard(NameBuff);
4456 p = NameBuff;
4457 }
4458 else
4459 p = NULL;
4460 }
4461 else /* n == 2 */
4462 {
4463 expand_T xpc;
4464
4465 ExpandInit(&xpc);
4466 xpc.xp_context = EXPAND_FILES;
4467 p = ExpandOne(&xpc, eap->arg, NULL,
4468 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4469 WILD_EXPAND_FREE);
4470 if (p == NULL)
4471 return FAIL;
4472 }
4473 if (p != NULL)
4474 {
4475 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4476 p, cmdlinep);
4477 if (n == 2) /* p came from ExpandOne() */
4478 vim_free(p);
4479 }
4480 }
4481 }
4482 }
4483 return OK;
4484 }
4485
4486 /*
4487 * Replace part of the command line, keeping eap->cmd, eap->arg and
4488 * eap->nextcmd correct.
4489 * "src" points to the part that is to be replaced, of length "srclen".
4490 * "repl" is the replacement string.
4491 * Returns a pointer to the character after the replaced string.
4492 * Returns NULL for failure.
4493 */
4494 static char_u *
4495 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4496 exarg_T *eap;
4497 char_u *src;
4498 int srclen;
4499 char_u *repl;
4500 char_u **cmdlinep;
4501 {
4502 int len;
4503 int i;
4504 char_u *new_cmdline;
4505
4506 /*
4507 * The new command line is build in new_cmdline[].
4508 * First allocate it.
4509 * Careful: a "+cmd" argument may have been NUL terminated.
4510 */
4511 len = (int)STRLEN(repl);
4512 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4513 if (eap->nextcmd != NULL)
4514 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4515 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4516 return NULL; /* out of memory! */
4517
4518 /*
4519 * Copy the stuff before the expanded part.
4520 * Copy the expanded stuff.
4521 * Copy what came after the expanded part.
4522 * Copy the next commands, if there are any.
4523 */
4524 i = (int)(src - *cmdlinep); /* length of part before match */
4525 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4526
4527 mch_memmove(new_cmdline + i, repl, (size_t)len);
4528 i += len; /* remember the end of the string */
4529 STRCPY(new_cmdline + i, src + srclen);
4530 src = new_cmdline + i; /* remember where to continue */
4531
4532 if (eap->nextcmd != NULL) /* append next command */
4533 {
4534 i = (int)STRLEN(new_cmdline) + 1;
4535 STRCPY(new_cmdline + i, eap->nextcmd);
4536 eap->nextcmd = new_cmdline + i;
4537 }
4538 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4539 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4540 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4541 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4542 vim_free(*cmdlinep);
4543 *cmdlinep = new_cmdline;
4544
4545 return src;
4546 }
4547
4548 /*
4549 * Check for '|' to separate commands and '"' to start comments.
4550 */
4551 void
4552 separate_nextcmd(eap)
4553 exarg_T *eap;
4554 {
4555 char_u *p;
4556
4557 #ifdef FEAT_QUICKFIX
4558 p = skip_grep_pat(eap);
4559 #else
4560 p = eap->arg;
4561 #endif
4562
4563 for ( ; *p; mb_ptr_adv(p))
4564 {
4565 if (*p == Ctrl_V)
4566 {
4567 if (eap->argt & (USECTRLV | XFILE))
4568 ++p; /* skip CTRL-V and next char */
4569 else
4570 /* remove CTRL-V and skip next char */
4571 STRMOVE(p, p + 1);
4572 if (*p == NUL) /* stop at NUL after CTRL-V */
4573 break;
4574 }
4575
4576 #ifdef FEAT_EVAL
4577 /* Skip over `=expr` when wildcards are expanded. */
4578 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4579 {
4580 p += 2;
4581 (void)skip_expr(&p);
4582 }
4583 #endif
4584
4585 /* Check for '"': start of comment or '|': next command */
4586 /* :@" and :*" do not start a comment!
4587 * :redir @" doesn't either. */
4588 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4589 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4590 || p != eap->arg)
4591 && (eap->cmdidx != CMD_redir
4592 || p != eap->arg + 1 || p[-1] != '@'))
4593 || *p == '|' || *p == '\n')
4594 {
4595 /*
4596 * We remove the '\' before the '|', unless USECTRLV is used
4597 * AND 'b' is present in 'cpoptions'.
4598 */
4599 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4600 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4601 {
4602 STRMOVE(p - 1, p); /* remove the '\' */
4603 --p;
4604 }
4605 else
4606 {
4607 eap->nextcmd = check_nextcmd(p);
4608 *p = NUL;
4609 break;
4610 }
4611 }
4612 }
4613
4614 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4615 del_trailing_spaces(eap->arg);
4616 }
4617
4618 /*
4619 * get + command from ex argument
4620 */
4621 static char_u *
4622 getargcmd(argp)
4623 char_u **argp;
4624 {
4625 char_u *arg = *argp;
4626 char_u *command = NULL;
4627
4628 if (*arg == '+') /* +[command] */
4629 {
4630 ++arg;
4631 if (vim_isspace(*arg))
4632 command = dollar_command;
4633 else
4634 {
4635 command = arg;
4636 arg = skip_cmd_arg(command, TRUE);
4637 if (*arg != NUL)
4638 *arg++ = NUL; /* terminate command with NUL */
4639 }
4640
4641 arg = skipwhite(arg); /* skip over spaces */
4642 *argp = arg;
4643 }
4644 return command;
4645 }
4646
4647 /*
4648 * Find end of "+command" argument. Skip over "\ " and "\\".
4649 */
4650 static char_u *
4651 skip_cmd_arg(p, rembs)
4652 char_u *p;
4653 int rembs; /* TRUE to halve the number of backslashes */
4654 {
4655 while (*p && !vim_isspace(*p))
4656 {
4657 if (*p == '\\' && p[1] != NUL)
4658 {
4659 if (rembs)
4660 STRMOVE(p, p + 1);
4661 else
4662 ++p;
4663 }
4664 mb_ptr_adv(p);
4665 }
4666 return p;
4667 }
4668
4669 /*
4670 * Get "++opt=arg" argument.
4671 * Return FAIL or OK.
4672 */
4673 static int
4674 getargopt(eap)
4675 exarg_T *eap;
4676 {
4677 char_u *arg = eap->arg + 2;
4678 int *pp = NULL;
4679 #ifdef FEAT_MBYTE
4680 char_u *p;
4681 #endif
4682
4683 /* ":edit ++[no]bin[ary] file" */
4684 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4685 {
4686 if (*arg == 'n')
4687 {
4688 arg += 2;
4689 eap->force_bin = FORCE_NOBIN;
4690 }
4691 else
4692 eap->force_bin = FORCE_BIN;
4693 if (!checkforcmd(&arg, "binary", 3))
4694 return FAIL;
4695 eap->arg = skipwhite(arg);
4696 return OK;
4697 }
4698
4699 /* ":read ++edit file" */
4700 if (STRNCMP(arg, "edit", 4) == 0)
4701 {
4702 eap->read_edit = TRUE;
4703 eap->arg = skipwhite(arg + 4);
4704 return OK;
4705 }
4706
4707 if (STRNCMP(arg, "ff", 2) == 0)
4708 {
4709 arg += 2;
4710 pp = &eap->force_ff;
4711 }
4712 else if (STRNCMP(arg, "fileformat", 10) == 0)
4713 {
4714 arg += 10;
4715 pp = &eap->force_ff;
4716 }
4717 #ifdef FEAT_MBYTE
4718 else if (STRNCMP(arg, "enc", 3) == 0)
4719 {
4720 arg += 3;
4721 pp = &eap->force_enc;
4722 }
4723 else if (STRNCMP(arg, "encoding", 8) == 0)
4724 {
4725 arg += 8;
4726 pp = &eap->force_enc;
4727 }
4728 else if (STRNCMP(arg, "bad", 3) == 0)
4729 {
4730 arg += 3;
4731 pp = &eap->bad_char;
4732 }
4733 #endif
4734
4735 if (pp == NULL || *arg != '=')
4736 return FAIL;
4737
4738 ++arg;
4739 *pp = (int)(arg - eap->cmd);
4740 arg = skip_cmd_arg(arg, FALSE);
4741 eap->arg = skipwhite(arg);
4742 *arg = NUL;
4743
4744 #ifdef FEAT_MBYTE
4745 if (pp == &eap->force_ff)
4746 {
4747 #endif
4748 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4749 return FAIL;
4750 #ifdef FEAT_MBYTE
4751 }
4752 else if (pp == &eap->force_enc)
4753 {
4754 /* Make 'fileencoding' lower case. */
4755 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4756 *p = TOLOWER_ASC(*p);
4757 }
4758 else
4759 {
4760 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4761 * "drop". */
4762 p = eap->cmd + eap->bad_char;
4763 if (STRICMP(p, "keep") == 0)
4764 eap->bad_char = BAD_KEEP;
4765 else if (STRICMP(p, "drop") == 0)
4766 eap->bad_char = BAD_DROP;
4767 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4768 eap->bad_char = *p;
4769 else
4770 return FAIL;
4771 }
4772 #endif
4773
4774 return OK;
4775 }
4776
4777 /*
4778 * ":abbreviate" and friends.
4779 */
4780 static void
4781 ex_abbreviate(eap)
4782 exarg_T *eap;
4783 {
4784 do_exmap(eap, TRUE); /* almost the same as mapping */
4785 }
4786
4787 /*
4788 * ":map" and friends.
4789 */
4790 static void
4791 ex_map(eap)
4792 exarg_T *eap;
4793 {
4794 /*
4795 * If we are sourcing .exrc or .vimrc in current directory we
4796 * print the mappings for security reasons.
4797 */
4798 if (secure)
4799 {
4800 secure = 2;
4801 msg_outtrans(eap->cmd);
4802 msg_putchar('\n');
4803 }
4804 do_exmap(eap, FALSE);
4805 }
4806
4807 /*
4808 * ":unmap" and friends.
4809 */
4810 static void
4811 ex_unmap(eap)
4812 exarg_T *eap;
4813 {
4814 do_exmap(eap, FALSE);
4815 }
4816
4817 /*
4818 * ":mapclear" and friends.
4819 */
4820 static void
4821 ex_mapclear(eap)
4822 exarg_T *eap;
4823 {
4824 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4825 }
4826
4827 /*
4828 * ":abclear" and friends.
4829 */
4830 static void
4831 ex_abclear(eap)
4832 exarg_T *eap;
4833 {
4834 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4835 }
4836
4837 #ifdef FEAT_AUTOCMD
4838 static void
4839 ex_autocmd(eap)
4840 exarg_T *eap;
4841 {
4842 /*
4843 * Disallow auto commands from .exrc and .vimrc in current
4844 * directory for security reasons.
4845 */
4846 if (secure)
4847 {
4848 secure = 2;
4849 eap->errmsg = e_curdir;
4850 }
4851 else if (eap->cmdidx == CMD_autocmd)
4852 do_autocmd(eap->arg, eap->forceit);
4853 else
4854 do_augroup(eap->arg, eap->forceit);
4855 }
4856
4857 /*
4858 * ":doautocmd": Apply the automatic commands to the current buffer.
4859 */
4860 static void
4861 ex_doautocmd(eap)
4862 exarg_T *eap;
4863 {
4864 (void)do_doautocmd(eap->arg, TRUE);
4865 do_modelines(0);
4866 }
4867 #endif
4868
4869 #ifdef FEAT_LISTCMDS
4870 /*
4871 * :[N]bunload[!] [N] [bufname] unload buffer
4872 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4873 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4874 */
4875 static void
4876 ex_bunload(eap)
4877 exarg_T *eap;
4878 {
4879 eap->errmsg = do_bufdel(
4880 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4881 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4882 : DOBUF_UNLOAD, eap->arg,
4883 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4884 }
4885
4886 /*
4887 * :[N]buffer [N] to buffer N
4888 * :[N]sbuffer [N] to buffer N
4889 */
4890 static void
4891 ex_buffer(eap)
4892 exarg_T *eap;
4893 {
4894 if (*eap->arg)
4895 eap->errmsg = e_trailing;
4896 else
4897 {
4898 if (eap->addr_count == 0) /* default is current buffer */
4899 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4900 else
4901 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4902 }
4903 }
4904
4905 /*
4906 * :[N]bmodified [N] to next mod. buffer
4907 * :[N]sbmodified [N] to next mod. buffer
4908 */
4909 static void
4910 ex_bmodified(eap)
4911 exarg_T *eap;
4912 {
4913 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4914 }
4915
4916 /*
4917 * :[N]bnext [N] to next buffer
4918 * :[N]sbnext [N] split and to next buffer
4919 */
4920 static void
4921 ex_bnext(eap)
4922 exarg_T *eap;
4923 {
4924 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4925 }
4926
4927 /*
4928 * :[N]bNext [N] to previous buffer
4929 * :[N]bprevious [N] to previous buffer
4930 * :[N]sbNext [N] split and to previous buffer
4931 * :[N]sbprevious [N] split and to previous buffer
4932 */
4933 static void
4934 ex_bprevious(eap)
4935 exarg_T *eap;
4936 {
4937 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4938 }
4939
4940 /*
4941 * :brewind to first buffer
4942 * :bfirst to first buffer
4943 * :sbrewind split and to first buffer
4944 * :sbfirst split and to first buffer
4945 */
4946 static void
4947 ex_brewind(eap)
4948 exarg_T *eap;
4949 {
4950 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4951 }
4952
4953 /*
4954 * :blast to last buffer
4955 * :sblast split and to last buffer
4956 */
4957 static void
4958 ex_blast(eap)
4959 exarg_T *eap;
4960 {
4961 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4962 }
4963 #endif
4964
4965 int
4966 ends_excmd(c)
4967 int c;
4968 {
4969 return (c == NUL || c == '|' || c == '"' || c == '\n');
4970 }
4971
4972 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4973 || defined(PROTO)
4974 /*
4975 * Return the next command, after the first '|' or '\n'.
4976 * Return NULL if not found.
4977 */
4978 char_u *
4979 find_nextcmd(p)
4980 char_u *p;
4981 {
4982 while (*p != '|' && *p != '\n')
4983 {
4984 if (*p == NUL)
4985 return NULL;
4986 ++p;
4987 }
4988 return (p + 1);
4989 }
4990 #endif
4991
4992 /*
4993 * Check if *p is a separator between Ex commands.
4994 * Return NULL if it isn't, (p + 1) if it is.
4995 */
4996 char_u *
4997 check_nextcmd(p)
4998 char_u *p;
4999 {
5000 p = skipwhite(p);
5001 if (*p == '|' || *p == '\n')
5002 return (p + 1);
5003 else
5004 return NULL;
5005 }
5006
5007 /*
5008 * - if there are more files to edit
5009 * - and this is the last window
5010 * - and forceit not used
5011 * - and not repeated twice on a row
5012 * return FAIL and give error message if 'message' TRUE
5013 * return OK otherwise
5014 */
5015 static int
5016 check_more(message, forceit)
5017 int message; /* when FALSE check only, no messages */
5018 int forceit;
5019 {
5020 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5021
5022 if (!forceit && only_one_window()
5023 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5024 {
5025 if (message)
5026 {
5027 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5028 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5029 {
5030 char_u buff[IOSIZE];
5031
5032 if (n == 1)
5033 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5034 else
5035 vim_snprintf((char *)buff, IOSIZE,
5036 _("%d more files to edit. Quit anyway?"), n);
5037 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5038 return OK;
5039 return FAIL;
5040 }
5041 #endif
5042 if (n == 1)
5043 EMSG(_("E173: 1 more file to edit"));
5044 else
5045 EMSGN(_("E173: %ld more files to edit"), n);
5046 quitmore = 2; /* next try to quit is allowed */
5047 }
5048 return FAIL;
5049 }
5050 return OK;
5051 }
5052
5053 #ifdef FEAT_CMDL_COMPL
5054 /*
5055 * Function given to ExpandGeneric() to obtain the list of command names.
5056 */
5057 /*ARGSUSED*/
5058 char_u *
5059 get_command_name(xp, idx)
5060 expand_T *xp;
5061 int idx;
5062 {
5063 if (idx >= (int)CMD_SIZE)
5064 # ifdef FEAT_USR_CMDS
5065 return get_user_command_name(idx);
5066 # else
5067 return NULL;
5068 # endif
5069 return cmdnames[idx].cmd_name;
5070 }
5071 #endif
5072
5073 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5074 static int uc_add_command __ARGS((char_u *name, size_t name_len, char_u *rep, long argt, long def, int flags, int compl, char_u *compl_arg, int force));
5075 static void uc_list __ARGS((char_u *name, size_t name_len));
5076 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5077 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5078 static size_t uc_check_code __ARGS((char_u *code, size_t len, char_u *buf, ucmd_T *cmd, exarg_T *eap, char_u **split_buf, size_t *split_len));
5079
5080 static int
5081 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5082 char_u *name;
5083 size_t name_len;
5084 char_u *rep;
5085 long argt;
5086 long def;
5087 int flags;
5088 int compl;
5089 char_u *compl_arg;
5090 int force;
5091 {
5092 ucmd_T *cmd = NULL;
5093 char_u *p;
5094 int i;
5095 int cmp = 1;
5096 char_u *rep_buf = NULL;
5097 garray_T *gap;
5098
5099 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5100 if (rep_buf == NULL)
5101 {
5102 /* Can't replace termcodes - try using the string as is */
5103 rep_buf = vim_strsave(rep);
5104
5105 /* Give up if out of memory */
5106 if (rep_buf == NULL)
5107 return FAIL;
5108 }
5109
5110 /* get address of growarray: global or in curbuf */
5111 if (flags & UC_BUFFER)
5112 {
5113 gap = &curbuf->b_ucmds;
5114 if (gap->ga_itemsize == 0)
5115 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5116 }
5117 else
5118 gap = &ucmds;
5119
5120 /* Search for the command in the already defined commands. */
5121 for (i = 0; i < gap->ga_len; ++i)
5122 {
5123 size_t len;
5124
5125 cmd = USER_CMD_GA(gap, i);
5126 len = STRLEN(cmd->uc_name);
5127 cmp = STRNCMP(name, cmd->uc_name, name_len);
5128 if (cmp == 0)
5129 {
5130 if (name_len < len)
5131 cmp = -1;
5132 else if (name_len > len)
5133 cmp = 1;
5134 }
5135
5136 if (cmp == 0)
5137 {
5138 if (!force)
5139 {
5140 EMSG(_("E174: Command already exists: add ! to replace it"));
5141 goto fail;
5142 }
5143
5144 vim_free(cmd->uc_rep);
5145 cmd->uc_rep = 0;
5146 break;
5147 }
5148
5149 /* Stop as soon as we pass the name to add */
5150 if (cmp < 0)
5151 break;
5152 }
5153
5154 /* Extend the array unless we're replacing an existing command */
5155 if (cmp != 0)
5156 {
5157 if (ga_grow(gap, 1) != OK)
5158 goto fail;
5159 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5160 goto fail;
5161
5162 cmd = USER_CMD_GA(gap, i);
5163 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5164
5165 ++gap->ga_len;
5166
5167 cmd->uc_name = p;
5168 }
5169
5170 cmd->uc_rep = rep_buf;
5171 cmd->uc_argt = argt;
5172 cmd->uc_def = def;
5173 cmd->uc_compl = compl;
5174 #ifdef FEAT_EVAL
5175 cmd->uc_scriptID = current_SID;
5176 # ifdef FEAT_CMDL_COMPL
5177 cmd->uc_compl_arg = compl_arg;
5178 # endif
5179 #endif
5180
5181 return OK;
5182
5183 fail:
5184 vim_free(rep_buf);
5185 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5186 vim_free(compl_arg);
5187 #endif
5188 return FAIL;
5189 }
5190
5191 /*
5192 * List of names for completion for ":command" with the EXPAND_ flag.
5193 * Must be alphabetical for completion.
5194 */
5195 static struct
5196 {
5197 int expand;
5198 char *name;
5199 } command_complete[] =
5200 {
5201 {EXPAND_AUGROUP, "augroup"},
5202 {EXPAND_BUFFERS, "buffer"},
5203 {EXPAND_COMMANDS, "command"},
5204 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5205 {EXPAND_USER_DEFINED, "custom"},
5206 {EXPAND_USER_LIST, "customlist"},
5207 #endif
5208 {EXPAND_DIRECTORIES, "dir"},
5209 {EXPAND_ENV_VARS, "environment"},
5210 {EXPAND_EVENTS, "event"},
5211 {EXPAND_EXPRESSION, "expression"},
5212 {EXPAND_FILES, "file"},
5213 {EXPAND_FUNCTIONS, "function"},
5214 {EXPAND_HELP, "help"},
5215 {EXPAND_HIGHLIGHT, "highlight"},
5216 {EXPAND_MAPPINGS, "mapping"},
5217 {EXPAND_MENUS, "menu"},
5218 {EXPAND_SETTINGS, "option"},
5219 {EXPAND_SHELLCMD, "shellcmd"},
5220 {EXPAND_TAGS, "tag"},
5221 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5222 {EXPAND_USER_VARS, "var"},
5223 {0, NULL}
5224 };
5225
5226 static void
5227 uc_list(name, name_len)
5228 char_u *name;
5229 size_t name_len;
5230 {
5231 int i, j;
5232 int found = FALSE;
5233 ucmd_T *cmd;
5234 int len;
5235 long a;
5236 garray_T *gap;
5237
5238 gap = &curbuf->b_ucmds;
5239 for (;;)
5240 {
5241 for (i = 0; i < gap->ga_len; ++i)
5242 {
5243 cmd = USER_CMD_GA(gap, i);
5244 a = (long)cmd->uc_argt;
5245
5246 /* Skip commands which don't match the requested prefix */
5247 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5248 continue;
5249
5250 /* Put out the title first time */
5251 if (!found)
5252 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5253 found = TRUE;
5254 msg_putchar('\n');
5255 if (got_int)
5256 break;
5257
5258 /* Special cases */
5259 msg_putchar(a & BANG ? '!' : ' ');
5260 msg_putchar(a & REGSTR ? '"' : ' ');
5261 msg_putchar(gap != &ucmds ? 'b' : ' ');
5262 msg_putchar(' ');
5263
5264 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5265 len = (int)STRLEN(cmd->uc_name) + 4;
5266
5267 do {
5268 msg_putchar(' ');
5269 ++len;
5270 } while (len < 16);
5271
5272 len = 0;
5273
5274 /* Arguments */
5275 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5276 {
5277 case 0: IObuff[len++] = '0'; break;
5278 case (EXTRA): IObuff[len++] = '*'; break;
5279 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5280 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5281 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5282 }
5283
5284 do {
5285 IObuff[len++] = ' ';
5286 } while (len < 5);
5287
5288 /* Range */
5289 if (a & (RANGE|COUNT))
5290 {
5291 if (a & COUNT)
5292 {
5293 /* -count=N */
5294 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5295 len += (int)STRLEN(IObuff + len);
5296 }
5297 else if (a & DFLALL)
5298 IObuff[len++] = '%';
5299 else if (cmd->uc_def >= 0)
5300 {
5301 /* -range=N */
5302 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5303 len += (int)STRLEN(IObuff + len);
5304 }
5305 else
5306 IObuff[len++] = '.';
5307 }
5308
5309 do {
5310 IObuff[len++] = ' ';
5311 } while (len < 11);
5312
5313 /* Completion */
5314 for (j = 0; command_complete[j].expand != 0; ++j)
5315 if (command_complete[j].expand == cmd->uc_compl)
5316 {
5317 STRCPY(IObuff + len, command_complete[j].name);
5318 len += (int)STRLEN(IObuff + len);
5319 break;
5320 }
5321
5322 do {
5323 IObuff[len++] = ' ';
5324 } while (len < 21);
5325
5326 IObuff[len] = '\0';
5327 msg_outtrans(IObuff);
5328
5329 msg_outtrans_special(cmd->uc_rep, FALSE);
5330 #ifdef FEAT_EVAL
5331 if (p_verbose > 0)
5332 last_set_msg(cmd->uc_scriptID);
5333 #endif
5334 out_flush();
5335 ui_breakcheck();
5336 if (got_int)
5337 break;
5338 }
5339 if (gap == &ucmds || i < gap->ga_len)
5340 break;
5341 gap = &ucmds;
5342 }
5343
5344 if (!found)
5345 MSG(_("No user-defined commands found"));
5346 }
5347
5348 static char_u *
5349 uc_fun_cmd()
5350 {
5351 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5352 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5353 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5354 0xb9, 0x7f, 0};
5355 int i;
5356
5357 for (i = 0; fcmd[i]; ++i)
5358 IObuff[i] = fcmd[i] - 0x40;
5359 IObuff[i] = 0;
5360 return IObuff;
5361 }
5362
5363 static int
5364 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5365 char_u *attr;
5366 size_t len;
5367 long *argt;
5368 long *def;
5369 int *flags;
5370 int *compl;
5371 char_u **compl_arg;
5372 {
5373 char_u *p;
5374
5375 if (len == 0)
5376 {
5377 EMSG(_("E175: No attribute specified"));
5378 return FAIL;
5379 }
5380
5381 /* First, try the simple attributes (no arguments) */
5382 if (STRNICMP(attr, "bang", len) == 0)
5383 *argt |= BANG;
5384 else if (STRNICMP(attr, "buffer", len) == 0)
5385 *flags |= UC_BUFFER;
5386 else if (STRNICMP(attr, "register", len) == 0)
5387 *argt |= REGSTR;
5388 else if (STRNICMP(attr, "bar", len) == 0)
5389 *argt |= TRLBAR;
5390 else
5391 {
5392 int i;
5393 char_u *val = NULL;
5394 size_t vallen = 0;
5395 size_t attrlen = len;
5396
5397 /* Look for the attribute name - which is the part before any '=' */
5398 for (i = 0; i < (int)len; ++i)
5399 {
5400 if (attr[i] == '=')
5401 {
5402 val = &attr[i + 1];
5403 vallen = len - i - 1;
5404 attrlen = i;
5405 break;
5406 }
5407 }
5408
5409 if (STRNICMP(attr, "nargs", attrlen) == 0)
5410 {
5411 if (vallen == 1)
5412 {
5413 if (*val == '0')
5414 /* Do nothing - this is the default */;
5415 else if (*val == '1')
5416 *argt |= (EXTRA | NOSPC | NEEDARG);
5417 else if (*val == '*')
5418 *argt |= EXTRA;
5419 else if (*val == '?')
5420 *argt |= (EXTRA | NOSPC);
5421 else if (*val == '+')
5422 *argt |= (EXTRA | NEEDARG);
5423 else
5424 goto wrong_nargs;
5425 }
5426 else
5427 {
5428 wrong_nargs:
5429 EMSG(_("E176: Invalid number of arguments"));
5430 return FAIL;
5431 }
5432 }
5433 else if (STRNICMP(attr, "range", attrlen) == 0)
5434 {
5435 *argt |= RANGE;
5436 if (vallen == 1 && *val == '%')
5437 *argt |= DFLALL;
5438 else if (val != NULL)
5439 {
5440 p = val;
5441 if (*def >= 0)
5442 {
5443 two_count:
5444 EMSG(_("E177: Count cannot be specified twice"));
5445 return FAIL;
5446 }
5447
5448 *def = getdigits(&p);
5449 *argt |= (ZEROR | NOTADR);
5450
5451 if (p != val + vallen || vallen == 0)
5452 {
5453 invalid_count:
5454 EMSG(_("E178: Invalid default value for count"));
5455 return FAIL;
5456 }
5457 }
5458 }
5459 else if (STRNICMP(attr, "count", attrlen) == 0)
5460 {
5461 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5462
5463 if (val != NULL)
5464 {
5465 p = val;
5466 if (*def >= 0)
5467 goto two_count;
5468
5469 *def = getdigits(&p);
5470
5471 if (p != val + vallen)
5472 goto invalid_count;
5473 }
5474
5475 if (*def < 0)
5476 *def = 0;
5477 }
5478 else if (STRNICMP(attr, "complete", attrlen) == 0)
5479 {
5480 if (val == NULL)
5481 {
5482 EMSG(_("E179: argument required for -complete"));
5483 return FAIL;
5484 }
5485
5486 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5487 == FAIL)
5488 return FAIL;
5489 }
5490 else
5491 {
5492 char_u ch = attr[len];
5493 attr[len] = '\0';
5494 EMSG2(_("E181: Invalid attribute: %s"), attr);
5495 attr[len] = ch;
5496 return FAIL;
5497 }
5498 }
5499
5500 return OK;
5501 }
5502
5503 static void
5504 ex_command(eap)
5505 exarg_T *eap;
5506 {
5507 char_u *name;
5508 char_u *end;
5509 char_u *p;
5510 long argt = 0;
5511 long def = -1;
5512 int flags = 0;
5513 int compl = EXPAND_NOTHING;
5514 char_u *compl_arg = NULL;
5515 int has_attr = (eap->arg[0] == '-');
5516
5517 p = eap->arg;
5518
5519 /* Check for attributes */
5520 while (*p == '-')
5521 {
5522 ++p;
5523 end = skiptowhite(p);
5524 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5525 == FAIL)
5526 return;
5527 p = skipwhite(end);
5528 }
5529
5530 /* Get the name (if any) and skip to the following argument */
5531 name = p;
5532 if (ASCII_ISALPHA(*p))
5533 while (ASCII_ISALNUM(*p))
5534 ++p;
5535 if (!ends_excmd(*p) && !vim_iswhite(*p))
5536 {
5537 EMSG(_("E182: Invalid command name"));
5538 return;
5539 }
5540 end = p;
5541
5542 /* If there is nothing after the name, and no attributes were specified,
5543 * we are listing commands
5544 */
5545 p = skipwhite(end);
5546 if (!has_attr && ends_excmd(*p))
5547 {
5548 uc_list(name, end - name);
5549 }
5550 else if (!ASCII_ISUPPER(*name))
5551 {
5552 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5553 return;
5554 }
5555 else
5556 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5557 eap->forceit);
5558 }
5559
5560 /*
5561 * ":comclear"
5562 * Clear all user commands, global and for current buffer.
5563 */
5564 /*ARGSUSED*/
5565 void
5566 ex_comclear(eap)
5567 exarg_T *eap;
5568 {
5569 uc_clear(&ucmds);
5570 uc_clear(&curbuf->b_ucmds);
5571 }
5572
5573 /*
5574 * Clear all user commands for "gap".
5575 */
5576 void
5577 uc_clear(gap)
5578 garray_T *gap;
5579 {
5580 int i;
5581 ucmd_T *cmd;
5582
5583 for (i = 0; i < gap->ga_len; ++i)
5584 {
5585 cmd = USER_CMD_GA(gap, i);
5586 vim_free(cmd->uc_name);
5587 vim_free(cmd->uc_rep);
5588 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5589 vim_free(cmd->uc_compl_arg);
5590 # endif
5591 }
5592 ga_clear(gap);
5593 }
5594
5595 static void
5596 ex_delcommand(eap)
5597 exarg_T *eap;
5598 {
5599 int i = 0;
5600 ucmd_T *cmd = NULL;
5601 int cmp = -1;
5602 garray_T *gap;
5603
5604 gap = &curbuf->b_ucmds;
5605 for (;;)
5606 {
5607 for (i = 0; i < gap->ga_len; ++i)
5608 {
5609 cmd = USER_CMD_GA(gap, i);
5610 cmp = STRCMP(eap->arg, cmd->uc_name);
5611 if (cmp <= 0)
5612 break;
5613 }
5614 if (gap == &ucmds || cmp == 0)
5615 break;
5616 gap = &ucmds;
5617 }
5618
5619 if (cmp != 0)
5620 {
5621 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5622 return;
5623 }
5624
5625 vim_free(cmd->uc_name);
5626 vim_free(cmd->uc_rep);
5627 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5628 vim_free(cmd->uc_compl_arg);
5629 # endif
5630
5631 --gap->ga_len;
5632
5633 if (i < gap->ga_len)
5634 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5635 }
5636
5637 /*
5638 * split and quote args for <f-args>
5639 */
5640 static char_u *
5641 uc_split_args(arg, lenp)
5642 char_u *arg;
5643 size_t *lenp;
5644 {
5645 char_u *buf;
5646 char_u *p;
5647 char_u *q;
5648 int len;
5649
5650 /* Precalculate length */
5651 p = arg;
5652 len = 2; /* Initial and final quotes */
5653
5654 while (*p)
5655 {
5656 if (p[0] == '\\' && p[1] == '\\')
5657 {
5658 len += 2;
5659 p += 2;
5660 }
5661 else if (p[0] == '\\' && vim_iswhite(p[1]))
5662 {
5663 len += 1;
5664 p += 2;
5665 }
5666 else if (*p == '\\' || *p == '"')
5667 {
5668 len += 2;
5669 p += 1;
5670 }
5671 else if (vim_iswhite(*p))
5672 {
5673 p = skipwhite(p);
5674 if (*p == NUL)
5675 break;
5676 len += 3; /* "," */
5677 }
5678 else
5679 {
5680 ++len;
5681 ++p;
5682 }
5683 }
5684
5685 buf = alloc(len + 1);
5686 if (buf == NULL)
5687 {
5688 *lenp = 0;
5689 return buf;
5690 }
5691
5692 p = arg;
5693 q = buf;
5694 *q++ = '"';
5695 while (*p)
5696 {
5697 if (p[0] == '\\' && p[1] == '\\')
5698 {
5699 *q++ = '\\';
5700 *q++ = '\\';
5701 p += 2;
5702 }
5703 else if (p[0] == '\\' && vim_iswhite(p[1]))
5704 {
5705 *q++ = p[1];
5706 p += 2;
5707 }
5708 else if (*p == '\\' || *p == '"')
5709 {
5710 *q++ = '\\';
5711 *q++ = *p++;
5712 }
5713 else if (vim_iswhite(*p))
5714 {
5715 p = skipwhite(p);
5716 if (*p == NUL)
5717 break;
5718 *q++ = '"';
5719 *q++ = ',';
5720 *q++ = '"';
5721 }
5722 else
5723 {
5724 *q++ = *p++;
5725 }
5726 }
5727 *q++ = '"';
5728 *q = 0;
5729
5730 *lenp = len;
5731 return buf;
5732 }
5733
5734 /*
5735 * Check for a <> code in a user command.
5736 * "code" points to the '<'. "len" the length of the <> (inclusive).
5737 * "buf" is where the result is to be added.
5738 * "split_buf" points to a buffer used for splitting, caller should free it.
5739 * "split_len" is the length of what "split_buf" contains.
5740 * Returns the length of the replacement, which has been added to "buf".
5741 * Returns -1 if there was no match, and only the "<" has been copied.
5742 */
5743 static size_t
5744 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5745 char_u *code;
5746 size_t len;
5747 char_u *buf;
5748 ucmd_T *cmd; /* the user command we're expanding */
5749 exarg_T *eap; /* ex arguments */
5750 char_u **split_buf;
5751 size_t *split_len;
5752 {
5753 size_t result = 0;
5754 char_u *p = code + 1;
5755 size_t l = len - 2;
5756 int quote = 0;
5757 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5758 ct_LT, ct_NONE } type = ct_NONE;
5759
5760 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5761 {
5762 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5763 p += 2;
5764 l -= 2;
5765 }
5766
5767 ++l;
5768 if (l <= 1)
5769 type = ct_NONE;
5770 else if (STRNICMP(p, "args>", l) == 0)
5771 type = ct_ARGS;
5772 else if (STRNICMP(p, "bang>", l) == 0)
5773 type = ct_BANG;
5774 else if (STRNICMP(p, "count>", l) == 0)
5775 type = ct_COUNT;
5776 else if (STRNICMP(p, "line1>", l) == 0)
5777 type = ct_LINE1;
5778 else if (STRNICMP(p, "line2>", l) == 0)
5779 type = ct_LINE2;
5780 else if (STRNICMP(p, "lt>", l) == 0)
5781 type = ct_LT;
5782 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5783 type = ct_REGISTER;
5784
5785 switch (type)
5786 {
5787 case ct_ARGS:
5788 /* Simple case first */
5789 if (*eap->arg == NUL)
5790 {
5791 if (quote == 1)
5792 {
5793 result = 2;
5794 if (buf != NULL)
5795 STRCPY(buf, "''");
5796 }
5797 else
5798 result = 0;
5799 break;
5800 }
5801
5802 /* When specified there is a single argument don't split it.
5803 * Works for ":Cmd %" when % is "a b c". */
5804 if ((eap->argt & NOSPC) && quote == 2)
5805 quote = 1;
5806
5807 switch (quote)
5808 {
5809 case 0: /* No quoting, no splitting */
5810 result = STRLEN(eap->arg);
5811 if (buf != NULL)
5812 STRCPY(buf, eap->arg);
5813 break;
5814 case 1: /* Quote, but don't split */
5815 result = STRLEN(eap->arg) + 2;
5816 for (p = eap->arg; *p; ++p)
5817 {
5818 if (*p == '\\' || *p == '"')
5819 ++result;
5820 }
5821
5822 if (buf != NULL)
5823 {
5824 *buf++ = '"';
5825 for (p = eap->arg; *p; ++p)
5826 {
5827 if (*p == '\\' || *p == '"')
5828 *buf++ = '\\';
5829 *buf++ = *p;
5830 }
5831 *buf = '"';
5832 }
5833
5834 break;
5835 case 2: /* Quote and split (<f-args>) */
5836 /* This is hard, so only do it once, and cache the result */
5837 if (*split_buf == NULL)
5838 *split_buf = uc_split_args(eap->arg, split_len);
5839
5840 result = *split_len;
5841 if (buf != NULL && result != 0)
5842 STRCPY(buf, *split_buf);
5843
5844 break;
5845 }
5846 break;
5847
5848 case ct_BANG:
5849 result = eap->forceit ? 1 : 0;
5850 if (quote)
5851 result += 2;
5852 if (buf != NULL)
5853 {
5854 if (quote)
5855 *buf++ = '"';
5856 if (eap->forceit)
5857 *buf++ = '!';
5858 if (quote)
5859 *buf = '"';
5860 }
5861 break;
5862
5863 case ct_LINE1:
5864 case ct_LINE2:
5865 case ct_COUNT:
5866 {
5867 char num_buf[20];
5868 long num = (type == ct_LINE1) ? eap->line1 :
5869 (type == ct_LINE2) ? eap->line2 :
5870 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5871 size_t num_len;
5872
5873 sprintf(num_buf, "%ld", num);
5874 num_len = STRLEN(num_buf);
5875 result = num_len;
5876
5877 if (quote)
5878 result += 2;
5879
5880 if (buf != NULL)
5881 {
5882 if (quote)
5883 *buf++ = '"';
5884 STRCPY(buf, num_buf);
5885 buf += num_len;
5886 if (quote)
5887 *buf = '"';
5888 }
5889
5890 break;
5891 }
5892
5893 case ct_REGISTER:
5894 result = eap->regname ? 1 : 0;
5895 if (quote)
5896 result += 2;
5897 if (buf != NULL)
5898 {
5899 if (quote)
5900 *buf++ = '\'';
5901 if (eap->regname)
5902 *buf++ = eap->regname;
5903 if (quote)
5904 *buf = '\'';
5905 }
5906 break;
5907
5908 case ct_LT:
5909 result = 1;
5910 if (buf != NULL)
5911 *buf = '<';
5912 break;
5913
5914 default:
5915 /* Not recognized: just copy the '<' and return -1. */
5916 result = (size_t)-1;
5917 if (buf != NULL)
5918 *buf = '<';
5919 break;
5920 }
5921
5922 return result;
5923 }
5924
5925 static void
5926 do_ucmd(eap)
5927 exarg_T *eap;
5928 {
5929 char_u *buf;
5930 char_u *p;
5931 char_u *q;
5932
5933 char_u *start;
5934 char_u *end;
5935 size_t len, totlen;
5936
5937 size_t split_len = 0;
5938 char_u *split_buf = NULL;
5939 ucmd_T *cmd;
5940 #ifdef FEAT_EVAL
5941 scid_T save_current_SID = current_SID;
5942 #endif
5943
5944 if (eap->cmdidx == CMD_USER)
5945 cmd = USER_CMD(eap->useridx);
5946 else
5947 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5948
5949 /*
5950 * Replace <> in the command by the arguments.
5951 */
5952 buf = NULL;
5953 for (;;)
5954 {
5955 p = cmd->uc_rep;
5956 q = buf;
5957 totlen = 0;
5958 while ((start = vim_strchr(p, '<')) != NULL
5959 && (end = vim_strchr(start + 1, '>')) != NULL)
5960 {
5961 /* Include the '>' */
5962 ++end;
5963
5964 /* Take everything up to the '<' */
5965 len = start - p;
5966 if (buf == NULL)
5967 totlen += len;
5968 else
5969 {
5970 mch_memmove(q, p, len);
5971 q += len;
5972 }
5973
5974 len = uc_check_code(start, end - start, q, cmd, eap,
5975 &split_buf, &split_len);
5976 if (len == (size_t)-1)
5977 {
5978 /* no match, continue after '<' */
5979 p = start + 1;
5980 len = 1;
5981 }
5982 else
5983 p = end;
5984 if (buf == NULL)
5985 totlen += len;
5986 else
5987 q += len;
5988 }
5989 if (buf != NULL) /* second time here, finished */
5990 {
5991 STRCPY(q, p);
5992 break;
5993 }
5994
5995 totlen += STRLEN(p); /* Add on the trailing characters */
5996 buf = alloc((unsigned)(totlen + 1));
5997 if (buf == NULL)
5998 {
5999 vim_free(split_buf);
6000 return;
6001 }
6002 }
6003
6004 #ifdef FEAT_EVAL
6005 current_SID = cmd->uc_scriptID;
6006 #endif
6007 (void)do_cmdline(buf, eap->getline, eap->cookie,
6008 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6009 #ifdef FEAT_EVAL
6010 current_SID = save_current_SID;
6011 #endif
6012 vim_free(buf);
6013 vim_free(split_buf);
6014 }
6015
6016 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6017 static char_u *
6018 get_user_command_name(idx)
6019 int idx;
6020 {
6021 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6022 }
6023
6024 /*
6025 * Function given to ExpandGeneric() to obtain the list of user command names.
6026 */
6027 /*ARGSUSED*/
6028 char_u *
6029 get_user_commands(xp, idx)
6030 expand_T *xp;
6031 int idx;
6032 {
6033 if (idx < curbuf->b_ucmds.ga_len)
6034 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6035 idx -= curbuf->b_ucmds.ga_len;
6036 if (idx < ucmds.ga_len)
6037 return USER_CMD(idx)->uc_name;
6038 return NULL;
6039 }
6040
6041 /*
6042 * Function given to ExpandGeneric() to obtain the list of user command
6043 * attributes.
6044 */
6045 /*ARGSUSED*/
6046 char_u *
6047 get_user_cmd_flags(xp, idx)
6048 expand_T *xp;
6049 int idx;
6050 {
6051 static char *user_cmd_flags[] =
6052 {"bang", "bar", "buffer", "complete", "count",
6053 "nargs", "range", "register"};
6054
6055 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6056 return NULL;
6057 return (char_u *)user_cmd_flags[idx];
6058 }
6059
6060 /*
6061 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6062 */
6063 /*ARGSUSED*/
6064 char_u *
6065 get_user_cmd_nargs(xp, idx)
6066 expand_T *xp;
6067 int idx;
6068 {
6069 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6070
6071 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6072 return NULL;
6073 return (char_u *)user_cmd_nargs[idx];
6074 }
6075
6076 /*
6077 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6078 */
6079 /*ARGSUSED*/
6080 char_u *
6081 get_user_cmd_complete(xp, idx)
6082 expand_T *xp;
6083 int idx;
6084 {
6085 return (char_u *)command_complete[idx].name;
6086 }
6087 # endif /* FEAT_CMDL_COMPL */
6088
6089 #endif /* FEAT_USR_CMDS */
6090
6091 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6092 /*
6093 * Parse a completion argument "value[vallen]".
6094 * The detected completion goes in "*complp", argument type in "*argt".
6095 * When there is an argument, for function and user defined completion, it's
6096 * copied to allocated memory and stored in "*compl_arg".
6097 * Returns FAIL if something is wrong.
6098 */
6099 int
6100 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6101 char_u *value;
6102 int vallen;
6103 int *complp;
6104 long *argt;
6105 char_u **compl_arg;
6106 {
6107 char_u *arg = NULL;
6108 size_t arglen = 0;
6109 int i;
6110 int valend = vallen;
6111
6112 /* Look for any argument part - which is the part after any ',' */
6113 for (i = 0; i < vallen; ++i)
6114 {
6115 if (value[i] == ',')
6116 {
6117 arg = &value[i + 1];
6118 arglen = vallen - i - 1;
6119 valend = i;
6120 break;
6121 }
6122 }
6123
6124 for (i = 0; command_complete[i].expand != 0; ++i)
6125 {
6126 if ((int)STRLEN(command_complete[i].name) == valend
6127 && STRNCMP(value, command_complete[i].name, valend) == 0)
6128 {
6129 *complp = command_complete[i].expand;
6130 if (command_complete[i].expand == EXPAND_BUFFERS)
6131 *argt |= BUFNAME;
6132 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6133 || command_complete[i].expand == EXPAND_FILES)
6134 *argt |= XFILE;
6135 break;
6136 }
6137 }
6138
6139 if (command_complete[i].expand == 0)
6140 {
6141 EMSG2(_("E180: Invalid complete value: %s"), value);
6142 return FAIL;
6143 }
6144
6145 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6146 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6147 && arg != NULL)
6148 # else
6149 if (arg != NULL)
6150 # endif
6151 {
6152 EMSG(_("E468: Completion argument only allowed for custom completion"));
6153 return FAIL;
6154 }
6155
6156 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6157 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6158 && arg == NULL)
6159 {
6160 EMSG(_("E467: Custom completion requires a function argument"));
6161 return FAIL;
6162 }
6163
6164 if (arg != NULL)
6165 *compl_arg = vim_strnsave(arg, (int)arglen);
6166 # endif
6167 return OK;
6168 }
6169 #endif
6170
6171 static void
6172 ex_colorscheme(eap)
6173 exarg_T *eap;
6174 {
6175 if (load_colors(eap->arg) == FAIL)
6176 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6177 }
6178
6179 static void
6180 ex_highlight(eap)
6181 exarg_T *eap;
6182 {
6183 if (*eap->arg == NUL && eap->cmd[2] == '!')
6184 MSG(_("Greetings, Vim user!"));
6185 do_highlight(eap->arg, eap->forceit, FALSE);
6186 }
6187
6188
6189 /*
6190 * Call this function if we thought we were going to exit, but we won't
6191 * (because of an error). May need to restore the terminal mode.
6192 */
6193 void
6194 not_exiting()
6195 {
6196 exiting = FALSE;
6197 settmode(TMODE_RAW);
6198 }
6199
6200 /*
6201 * ":quit": quit current window, quit Vim if closed the last window.
6202 */
6203 static void
6204 ex_quit(eap)
6205 exarg_T *eap;
6206 {
6207 #ifdef FEAT_CMDWIN
6208 if (cmdwin_type != 0)
6209 {
6210 cmdwin_result = Ctrl_C;
6211 return;
6212 }
6213 #endif
6214 /* Don't quit while editing the command line. */
6215 if (text_locked())
6216 {
6217 text_locked_msg();
6218 return;
6219 }
6220 #ifdef FEAT_AUTOCMD
6221 if (curbuf_locked())
6222 return;
6223 #endif
6224
6225 #ifdef FEAT_NETBEANS_INTG
6226 netbeansForcedQuit = eap->forceit;
6227 #endif
6228
6229 /*
6230 * If there are more files or windows we won't exit.
6231 */
6232 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6233 exiting = TRUE;
6234 if ((!P_HID(curbuf)
6235 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6236 || check_more(TRUE, eap->forceit) == FAIL
6237 || (only_one_window() && check_changed_any(eap->forceit)))
6238 {
6239 not_exiting();
6240 }
6241 else
6242 {
6243 #ifdef FEAT_WINDOWS
6244 if (only_one_window()) /* quit last window */
6245 #endif
6246 getout(0);
6247 #ifdef FEAT_WINDOWS
6248 # ifdef FEAT_GUI
6249 need_mouse_correct = TRUE;
6250 # endif
6251 /* close window; may free buffer */
6252 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6253 #endif
6254 }
6255 }
6256
6257 /*
6258 * ":cquit".
6259 */
6260 /*ARGSUSED*/
6261 static void
6262 ex_cquit(eap)
6263 exarg_T *eap;
6264 {
6265 getout(1); /* this does not always pass on the exit code to the Manx
6266 compiler. why? */
6267 }
6268
6269 /*
6270 * ":qall": try to quit all windows
6271 */
6272 static void
6273 ex_quit_all(eap)
6274 exarg_T *eap;
6275 {
6276 # ifdef FEAT_CMDWIN
6277 if (cmdwin_type != 0)
6278 {
6279 if (eap->forceit)
6280 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6281 else
6282 cmdwin_result = K_XF2;
6283 return;
6284 }
6285 # endif
6286
6287 /* Don't quit while editing the command line. */
6288 if (text_locked())
6289 {
6290 text_locked_msg();
6291 return;
6292 }
6293 #ifdef FEAT_AUTOCMD
6294 if (curbuf_locked())
6295 return;
6296 #endif
6297
6298 exiting = TRUE;
6299 if (eap->forceit || !check_changed_any(FALSE))
6300 getout(0);
6301 not_exiting();
6302 }
6303
6304 #if defined(FEAT_WINDOWS) || defined(PROTO)
6305 /*
6306 * ":close": close current window, unless it is the last one
6307 */
6308 static void
6309 ex_close(eap)
6310 exarg_T *eap;
6311 {
6312 # ifdef FEAT_CMDWIN
6313 if (cmdwin_type != 0)
6314 cmdwin_result = K_IGNORE;
6315 else
6316 # endif
6317 if (!text_locked()
6318 #ifdef FEAT_AUTOCMD
6319 && !curbuf_locked()
6320 #endif
6321 )
6322 ex_win_close(eap->forceit, curwin, NULL);
6323 }
6324
6325 # ifdef FEAT_QUICKFIX
6326 /*
6327 * ":pclose": Close any preview window.
6328 */
6329 static void
6330 ex_pclose(eap)
6331 exarg_T *eap;
6332 {
6333 win_T *win;
6334
6335 for (win = firstwin; win != NULL; win = win->w_next)
6336 if (win->w_p_pvw)
6337 {
6338 ex_win_close(eap->forceit, win, NULL);
6339 break;
6340 }
6341 }
6342 # endif
6343
6344 /*
6345 * Close window "win" and take care of handling closing the last window for a
6346 * modified buffer.
6347 */
6348 static void
6349 ex_win_close(forceit, win, tp)
6350 int forceit;
6351 win_T *win;
6352 tabpage_T *tp; /* NULL or the tab page "win" is in */
6353 {
6354 int need_hide;
6355 buf_T *buf = win->w_buffer;
6356
6357 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6358 if (need_hide && !P_HID(buf) && !forceit)
6359 {
6360 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6361 if ((p_confirm || cmdmod.confirm) && p_write)
6362 {
6363 dialog_changed(buf, FALSE);
6364 if (buf_valid(buf) && bufIsChanged(buf))
6365 return;
6366 need_hide = FALSE;
6367 }
6368 else
6369 # endif
6370 {
6371 EMSG(_(e_nowrtmsg));
6372 return;
6373 }
6374 }
6375
6376 # ifdef FEAT_GUI
6377 need_mouse_correct = TRUE;
6378 # endif
6379
6380 /* free buffer when not hiding it or when it's a scratch buffer */
6381 if (tp == NULL)
6382 win_close(win, !need_hide && !P_HID(buf));
6383 else
6384 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6385 }
6386
6387 /*
6388 * ":tabclose": close current tab page, unless it is the last one.
6389 * ":tabclose N": close tab page N.
6390 */
6391 static void
6392 ex_tabclose(eap)
6393 exarg_T *eap;
6394 {
6395 tabpage_T *tp;
6396
6397 # ifdef FEAT_CMDWIN
6398 if (cmdwin_type != 0)
6399 cmdwin_result = K_IGNORE;
6400 else
6401 # endif
6402 if (first_tabpage->tp_next == NULL)
6403 EMSG(_("E784: Cannot close last tab page"));
6404 else
6405 {
6406 if (eap->addr_count > 0)
6407 {
6408 tp = find_tabpage((int)eap->line2);
6409 if (tp == NULL)
6410 {
6411 beep_flush();
6412 return;
6413 }
6414 if (tp != curtab)
6415 {
6416 tabpage_close_other(tp, eap->forceit);
6417 return;
6418 }
6419 }
6420 if (!text_locked()
6421 #ifdef FEAT_AUTOCMD
6422 && !curbuf_locked()
6423 #endif
6424 )
6425 tabpage_close(eap->forceit);
6426 }
6427 }
6428
6429 /*
6430 * ":tabonly": close all tab pages except the current one
6431 */
6432 static void
6433 ex_tabonly(eap)
6434 exarg_T *eap;
6435 {
6436 tabpage_T *tp;
6437 int done;
6438
6439 # ifdef FEAT_CMDWIN
6440 if (cmdwin_type != 0)
6441 cmdwin_result = K_IGNORE;
6442 else
6443 # endif
6444 if (first_tabpage->tp_next == NULL)
6445 MSG(_("Already only one tab page"));
6446 else
6447 {
6448 /* Repeat this up to a 1000 times, because autocommands may mess
6449 * up the lists. */
6450 for (done = 0; done < 1000; ++done)
6451 {
6452 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6453 if (tp->tp_topframe != topframe)
6454 {
6455 tabpage_close_other(tp, eap->forceit);
6456 /* if we failed to close it quit */
6457 if (valid_tabpage(tp))
6458 done = 1000;
6459 /* start over, "tp" is now invalid */
6460 break;
6461 }
6462 if (first_tabpage->tp_next == NULL)
6463 break;
6464 }
6465 }
6466 }
6467
6468 /*
6469 * Close the current tab page.
6470 */
6471 void
6472 tabpage_close(forceit)
6473 int forceit;
6474 {
6475 /* First close all the windows but the current one. If that worked then
6476 * close the last window in this tab, that will close it. */
6477 if (lastwin != firstwin)
6478 close_others(TRUE, forceit);
6479 if (lastwin == firstwin)
6480 ex_win_close(forceit, curwin, NULL);
6481 # ifdef FEAT_GUI
6482 need_mouse_correct = TRUE;
6483 # endif
6484 }
6485
6486 /*
6487 * Close tab page "tp", which is not the current tab page.
6488 * Note that autocommands may make "tp" invalid.
6489 * Also takes care of the tab pages line disappearing when closing the
6490 * last-but-one tab page.
6491 */
6492 void
6493 tabpage_close_other(tp, forceit)
6494 tabpage_T *tp;
6495 int forceit;
6496 {
6497 int done = 0;
6498 win_T *wp;
6499 int h = tabline_height();
6500
6501 /* Limit to 1000 windows, autocommands may add a window while we close
6502 * one. OK, so I'm paranoid... */
6503 while (++done < 1000)
6504 {
6505 wp = tp->tp_firstwin;
6506 ex_win_close(forceit, wp, tp);
6507
6508 /* Autocommands may delete the tab page under our fingers and we may
6509 * fail to close a window with a modified buffer. */
6510 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6511 break;
6512 }
6513
6514 redraw_tabline = TRUE;
6515 if (h != tabline_height())
6516 shell_new_rows();
6517 }
6518
6519 /*
6520 * ":only".
6521 */
6522 static void
6523 ex_only(eap)
6524 exarg_T *eap;
6525 {
6526 # ifdef FEAT_GUI
6527 need_mouse_correct = TRUE;
6528 # endif
6529 close_others(TRUE, eap->forceit);
6530 }
6531
6532 /*
6533 * ":all" and ":sall".
6534 * Also used for ":tab drop file ..." after setting the argument list.
6535 */
6536 void
6537 ex_all(eap)
6538 exarg_T *eap;
6539 {
6540 if (eap->addr_count == 0)
6541 eap->line2 = 9999;
6542 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6543 }
6544 #endif /* FEAT_WINDOWS */
6545
6546 static void
6547 ex_hide(eap)
6548 exarg_T *eap;
6549 {
6550 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6551 eap->errmsg = e_invarg;
6552 else
6553 {
6554 /* ":hide" or ":hide | cmd": hide current window */
6555 eap->nextcmd = check_nextcmd(eap->arg);
6556 #ifdef FEAT_WINDOWS
6557 if (!eap->skip)
6558 {
6559 # ifdef FEAT_GUI
6560 need_mouse_correct = TRUE;
6561 # endif
6562 win_close(curwin, FALSE); /* don't free buffer */
6563 }
6564 #endif
6565 }
6566 }
6567
6568 /*
6569 * ":stop" and ":suspend": Suspend Vim.
6570 */
6571 static void
6572 ex_stop(eap)
6573 exarg_T *eap;
6574 {
6575 /*
6576 * Disallow suspending for "rvim".
6577 */
6578 if (!check_restricted()
6579 #ifdef WIN3264
6580 /*
6581 * Check if external commands are allowed now.
6582 */
6583 && can_end_termcap_mode(TRUE)
6584 #endif
6585 )
6586 {
6587 if (!eap->forceit)
6588 autowrite_all();
6589 windgoto((int)Rows - 1, 0);
6590 out_char('\n');
6591 out_flush();
6592 stoptermcap();
6593 out_flush(); /* needed for SUN to restore xterm buffer */
6594 #ifdef FEAT_TITLE
6595 mch_restore_title(3); /* restore window titles */
6596 #endif
6597 ui_suspend(); /* call machine specific function */
6598 #ifdef FEAT_TITLE
6599 maketitle();
6600 resettitle(); /* force updating the title */
6601 #endif
6602 starttermcap();
6603 scroll_start(); /* scroll screen before redrawing */
6604 redraw_later_clear();
6605 shell_resized(); /* may have resized window */
6606 }
6607 }
6608
6609 /*
6610 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6611 */
6612 static void
6613 ex_exit(eap)
6614 exarg_T *eap;
6615 {
6616 #ifdef FEAT_CMDWIN
6617 if (cmdwin_type != 0)
6618 {
6619 cmdwin_result = Ctrl_C;
6620 return;
6621 }
6622 #endif
6623 /* Don't quit while editing the command line. */
6624 if (text_locked())
6625 {
6626 text_locked_msg();
6627 return;
6628 }
6629 #ifdef FEAT_AUTOCMD
6630 if (curbuf_locked())
6631 return;
6632 #endif
6633
6634 /*
6635 * if more files or windows we won't exit
6636 */
6637 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6638 exiting = TRUE;
6639 if ( ((eap->cmdidx == CMD_wq
6640 || curbufIsChanged())
6641 && do_write(eap) == FAIL)
6642 || check_more(TRUE, eap->forceit) == FAIL
6643 || (only_one_window() && check_changed_any(eap->forceit)))
6644 {
6645 not_exiting();
6646 }
6647 else
6648 {
6649 #ifdef FEAT_WINDOWS
6650 if (only_one_window()) /* quit last window, exit Vim */
6651 #endif
6652 getout(0);
6653 #ifdef FEAT_WINDOWS
6654 # ifdef FEAT_GUI
6655 need_mouse_correct = TRUE;
6656 # endif
6657 /* quit current window, may free buffer */
6658 win_close(curwin, !P_HID(curwin->w_buffer));
6659 #endif
6660 }
6661 }
6662
6663 /*
6664 * ":print", ":list", ":number".
6665 */
6666 static void
6667 ex_print(eap)
6668 exarg_T *eap;
6669 {
6670 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6671 EMSG(_(e_emptybuf));
6672 else
6673 {
6674 for ( ;!got_int; ui_breakcheck())
6675 {
6676 print_line(eap->line1,
6677 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6678 || (eap->flags & EXFLAG_NR)),
6679 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6680 if (++eap->line1 > eap->line2)
6681 break;
6682 out_flush(); /* show one line at a time */
6683 }
6684 setpcmark();
6685 /* put cursor at last line */
6686 curwin->w_cursor.lnum = eap->line2;
6687 beginline(BL_SOL | BL_FIX);
6688 }
6689
6690 ex_no_reprint = TRUE;
6691 }
6692
6693 #ifdef FEAT_BYTEOFF
6694 static void
6695 ex_goto(eap)
6696 exarg_T *eap;
6697 {
6698 goto_byte(eap->line2);
6699 }
6700 #endif
6701
6702 /*
6703 * ":shell".
6704 */
6705 /*ARGSUSED*/
6706 static void
6707 ex_shell(eap)
6708 exarg_T *eap;
6709 {
6710 do_shell(NULL, 0);
6711 }
6712
6713 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6714 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6715 || defined(FEAT_GUI_MSWIN) \
6716 || defined(FEAT_GUI_MAC) \
6717 || defined(PROTO) \
6718 || defined(FEAT_GUI_MACVIM)
6719
6720 /*
6721 * Handle a file drop. The code is here because a drop is *nearly* like an
6722 * :args command, but not quite (we have a list of exact filenames, so we
6723 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6724 * code is very similar to :args and hence needs access to a lot of the static
6725 * functions in this file.
6726 *
6727 * The list should be allocated using alloc(), as should each item in the
6728 * list. This function takes over responsibility for freeing the list.
6729 *
6730 * XXX The list is made into the argument list. This is freed using
6731 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6732 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6733 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6734 * file functionality is (currently) not in EMX this is not presently a
6735 * problem.
6736 */
6737 void
6738 handle_drop(filec, filev, split)
6739 int filec; /* the number of files dropped */
6740 char_u **filev; /* the list of files dropped */
6741 int split; /* force splitting the window */
6742 {
6743 exarg_T ea;
6744 int save_msg_scroll = msg_scroll;
6745
6746 /* Postpone this while editing the command line. */
6747 if (text_locked())
6748 return;
6749 #ifdef FEAT_AUTOCMD
6750 if (curbuf_locked())
6751 return;
6752 #endif
6753 /* When the screen is being updated we should not change buffers and
6754 * windows structures, it may cause freed memory to be used. */
6755 if (updating_screen)
6756 return;
6757
6758 /* Check whether the current buffer is changed. If so, we will need
6759 * to split the current window or data could be lost.
6760 * We don't need to check if the 'hidden' option is set, as in this
6761 * case the buffer won't be lost.
6762 */
6763 if (!P_HID(curbuf) && !split)
6764 {
6765 ++emsg_off;
6766 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6767 --emsg_off;
6768 }
6769 if (split)
6770 {
6771 # ifdef FEAT_WINDOWS
6772 if (win_split(0, 0) == FAIL)
6773 return;
6774 # ifdef FEAT_SCROLLBIND
6775 curwin->w_p_scb = FALSE;
6776 # endif
6777
6778 /* When splitting the window, create a new alist. Otherwise the
6779 * existing one is overwritten. */
6780 alist_unlink(curwin->w_alist);
6781 alist_new();
6782 # else
6783 return; /* can't split, always fail */
6784 # endif
6785 }
6786
6787 /*
6788 * Set up the new argument list.
6789 */
6790 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6791
6792 /*
6793 * Move to the first file.
6794 */
6795 /* Fake up a minimal "next" command for do_argfile() */
6796 vim_memset(&ea, 0, sizeof(ea));
6797 ea.cmd = (char_u *)"next";
6798 do_argfile(&ea, 0);
6799
6800 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6801 * mode that is not needed here. */
6802 need_start_insertmode = FALSE;
6803
6804 /* Restore msg_scroll, otherwise a following command may cause scrolling
6805 * unexpectedly. The screen will be redrawn by the caller, thus
6806 * msg_scroll being set by displaying a message is irrelevant. */
6807 msg_scroll = save_msg_scroll;
6808 }
6809 #endif
6810
6811 /*
6812 * Clear an argument list: free all file names and reset it to zero entries.
6813 */
6814 void
6815 alist_clear(al)
6816 alist_T *al;
6817 {
6818 while (--al->al_ga.ga_len >= 0)
6819 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6820 ga_clear(&al->al_ga);
6821 }
6822
6823 /*
6824 * Init an argument list.
6825 */
6826 void
6827 alist_init(al)
6828 alist_T *al;
6829 {
6830 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6831 }
6832
6833 #if defined(FEAT_WINDOWS) || defined(PROTO)
6834
6835 /*
6836 * Remove a reference from an argument list.
6837 * Ignored when the argument list is the global one.
6838 * If the argument list is no longer used by any window, free it.
6839 */
6840 void
6841 alist_unlink(al)
6842 alist_T *al;
6843 {
6844 if (al != &global_alist && --al->al_refcount <= 0)
6845 {
6846 alist_clear(al);
6847 vim_free(al);
6848 }
6849 }
6850
6851 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6852 /*
6853 * Create a new argument list and use it for the current window.
6854 */
6855 void
6856 alist_new()
6857 {
6858 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6859 if (curwin->w_alist == NULL)
6860 {
6861 curwin->w_alist = &global_alist;
6862 ++global_alist.al_refcount;
6863 }
6864 else
6865 {
6866 curwin->w_alist->al_refcount = 1;
6867 alist_init(curwin->w_alist);
6868 }
6869 }
6870 # endif
6871 #endif
6872
6873 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6874 /*
6875 * Expand the file names in the global argument list.
6876 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6877 * numbers to be re-used.
6878 */
6879 void
6880 alist_expand(fnum_list, fnum_len)
6881 int *fnum_list;
6882 int fnum_len;
6883 {
6884 char_u **old_arg_files;
6885 int old_arg_count;
6886 char_u **new_arg_files;
6887 int new_arg_file_count;
6888 char_u *save_p_su = p_su;
6889 int i;
6890
6891 /* Don't use 'suffixes' here. This should work like the shell did the
6892 * expansion. Also, the vimrc file isn't read yet, thus the user
6893 * can't set the options. */
6894 p_su = empty_option;
6895 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6896 if (old_arg_files != NULL)
6897 {
6898 for (i = 0; i < GARGCOUNT; ++i)
6899 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6900 old_arg_count = GARGCOUNT;
6901 if (expand_wildcards(old_arg_count, old_arg_files,
6902 &new_arg_file_count, &new_arg_files,
6903 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6904 && new_arg_file_count > 0)
6905 {
6906 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6907 TRUE, fnum_list, fnum_len);
6908 FreeWild(old_arg_count, old_arg_files);
6909 }
6910 }
6911 p_su = save_p_su;
6912 }
6913 #endif
6914
6915 /*
6916 * Set the argument list for the current window.
6917 * Takes over the allocated files[] and the allocated fnames in it.
6918 */
6919 void
6920 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6921 alist_T *al;
6922 int count;
6923 char_u **files;
6924 int use_curbuf;
6925 int *fnum_list;
6926 int fnum_len;
6927 {
6928 int i;
6929
6930 alist_clear(al);
6931 if (ga_grow(&al->al_ga, count) == OK)
6932 {
6933 for (i = 0; i < count; ++i)
6934 {
6935 if (got_int)
6936 {
6937 /* When adding many buffers this can take a long time. Allow
6938 * interrupting here. */
6939 while (i < count)
6940 vim_free(files[i++]);
6941 break;
6942 }
6943
6944 /* May set buffer name of a buffer previously used for the
6945 * argument list, so that it's re-used by alist_add. */
6946 if (fnum_list != NULL && i < fnum_len)
6947 buf_set_name(fnum_list[i], files[i]);
6948
6949 alist_add(al, files[i], use_curbuf ? 2 : 1);
6950 ui_breakcheck();
6951 }
6952 vim_free(files);
6953 }
6954 else
6955 FreeWild(count, files);
6956 #ifdef FEAT_WINDOWS
6957 if (al == &global_alist)
6958 #endif
6959 arg_had_last = FALSE;
6960 }
6961
6962 /*
6963 * Add file "fname" to argument list "al".
6964 * "fname" must have been allocated and "al" must have been checked for room.
6965 */
6966 void
6967 alist_add(al, fname, set_fnum)
6968 alist_T *al;
6969 char_u *fname;
6970 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6971 {
6972 if (fname == NULL) /* don't add NULL file names */
6973 return;
6974 #ifdef BACKSLASH_IN_FILENAME
6975 slash_adjust(fname);
6976 #endif
6977 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6978 if (set_fnum > 0)
6979 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6980 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6981 ++al->al_ga.ga_len;
6982 }
6983
6984 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6985 /*
6986 * Adjust slashes in file names. Called after 'shellslash' was set.
6987 */
6988 void
6989 alist_slash_adjust()
6990 {
6991 int i;
6992 # ifdef FEAT_WINDOWS
6993 win_T *wp;
6994 tabpage_T *tp;
6995 # endif
6996
6997 for (i = 0; i < GARGCOUNT; ++i)
6998 if (GARGLIST[i].ae_fname != NULL)
6999 slash_adjust(GARGLIST[i].ae_fname);
7000 # ifdef FEAT_WINDOWS
7001 FOR_ALL_TAB_WINDOWS(tp, wp)
7002 if (wp->w_alist != &global_alist)
7003 for (i = 0; i < WARGCOUNT(wp); ++i)
7004 if (WARGLIST(wp)[i].ae_fname != NULL)
7005 slash_adjust(WARGLIST(wp)[i].ae_fname);
7006 # endif
7007 }
7008 #endif
7009
7010 /*
7011 * ":preserve".
7012 */
7013 /*ARGSUSED*/
7014 static void
7015 ex_preserve(eap)
7016 exarg_T *eap;
7017 {
7018 curbuf->b_flags |= BF_PRESERVED;
7019 ml_preserve(curbuf, TRUE);
7020 }
7021
7022 /*
7023 * ":recover".
7024 */
7025 static void
7026 ex_recover(eap)
7027 exarg_T *eap;
7028 {
7029 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7030 recoverymode = TRUE;
7031 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7032 && (*eap->arg == NUL
7033 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7034 ml_recover();
7035 recoverymode = FALSE;
7036 }
7037
7038 /*
7039 * Command modifier used in a wrong way.
7040 */
7041 static void
7042 ex_wrongmodifier(eap)
7043 exarg_T *eap;
7044 {
7045 eap->errmsg = e_invcmd;
7046 }
7047
7048 #ifdef FEAT_WINDOWS
7049 /*
7050 * :sview [+command] file split window with new file, read-only
7051 * :split [[+command] file] split window with current or new file
7052 * :vsplit [[+command] file] split window vertically with current or new file
7053 * :new [[+command] file] split window with no or new file
7054 * :vnew [[+command] file] split vertically window with no or new file
7055 * :sfind [+command] file split window with file in 'path'
7056 *
7057 * :tabedit open new Tab page with empty window
7058 * :tabedit [+command] file open new Tab page and edit "file"
7059 * :tabnew [[+command] file] just like :tabedit
7060 * :tabfind [+command] file open new Tab page and find "file"
7061 */
7062 void
7063 ex_splitview(eap)
7064 exarg_T *eap;
7065 {
7066 win_T *old_curwin = curwin;
7067 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7068 char_u *fname = NULL;
7069 # endif
7070 # ifdef FEAT_BROWSE
7071 int browse_flag = cmdmod.browse;
7072 # endif
7073
7074 # ifndef FEAT_VERTSPLIT
7075 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7076 {
7077 ex_ni(eap);
7078 return;
7079 }
7080 # endif
7081
7082 # ifdef FEAT_GUI
7083 need_mouse_correct = TRUE;
7084 # endif
7085
7086 # ifdef FEAT_QUICKFIX
7087 /* A ":split" in the quickfix window works like ":new". Don't want two
7088 * quickfix windows. But it's OK when doing ":tab split". */
7089 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7090 {
7091 if (eap->cmdidx == CMD_split)
7092 eap->cmdidx = CMD_new;
7093 # ifdef FEAT_VERTSPLIT
7094 if (eap->cmdidx == CMD_vsplit)
7095 eap->cmdidx = CMD_vnew;
7096 # endif
7097 }
7098 # endif
7099
7100 # ifdef FEAT_SEARCHPATH
7101 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7102 {
7103 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7104 FNAME_MESS, TRUE, curbuf->b_ffname);
7105 if (fname == NULL)
7106 goto theend;
7107 eap->arg = fname;
7108 }
7109 # ifdef FEAT_BROWSE
7110 else
7111 # endif
7112 # endif
7113 # ifdef FEAT_BROWSE
7114 if (cmdmod.browse
7115 # ifdef FEAT_VERTSPLIT
7116 && eap->cmdidx != CMD_vnew
7117 # endif
7118 && eap->cmdidx != CMD_new)
7119 {
7120 # ifdef FEAT_AUTOCMD
7121 if (
7122 # ifdef FEAT_GUI
7123 !gui.in_use &&
7124 # endif
7125 au_has_group((char_u *)"FileExplorer"))
7126 {
7127 /* No browsing supported but we do have the file explorer:
7128 * Edit the directory. */
7129 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7130 eap->arg = (char_u *)".";
7131 }
7132 else
7133 # endif
7134 {
7135 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7136 eap->arg, NULL, NULL, NULL, curbuf);
7137 if (fname == NULL)
7138 goto theend;
7139 eap->arg = fname;
7140 }
7141 }
7142 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7143 # endif
7144
7145 /*
7146 * Either open new tab page or split the window.
7147 */
7148 if (eap->cmdidx == CMD_tabedit
7149 || eap->cmdidx == CMD_tabfind
7150 || eap->cmdidx == CMD_tabnew)
7151 {
7152 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7153 : eap->addr_count == 0 ? 0
7154 : (int)eap->line2 + 1) != FAIL)
7155 {
7156 do_exedit(eap, old_curwin);
7157
7158 /* set the alternate buffer for the window we came from */
7159 if (curwin != old_curwin
7160 && win_valid(old_curwin)
7161 && old_curwin->w_buffer != curbuf
7162 && !cmdmod.keepalt)
7163 old_curwin->w_alt_fnum = curbuf->b_fnum;
7164 }
7165 }
7166 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7167 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7168 {
7169 # ifdef FEAT_SCROLLBIND
7170 /* Reset 'scrollbind' when editing another file, but keep it when
7171 * doing ":split" without arguments. */
7172 if (*eap->arg != NUL
7173 # ifdef FEAT_BROWSE
7174 || cmdmod.browse
7175 # endif
7176 )
7177 curwin->w_p_scb = FALSE;
7178 else
7179 do_check_scrollbind(FALSE);
7180 # endif
7181 do_exedit(eap, old_curwin);
7182 }
7183
7184 # ifdef FEAT_BROWSE
7185 cmdmod.browse = browse_flag;
7186 # endif
7187
7188 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7189 theend:
7190 vim_free(fname);
7191 # endif
7192 }
7193
7194 /*
7195 * Open a new tab page.
7196 */
7197 void
7198 tabpage_new()
7199 {
7200 exarg_T ea;
7201
7202 vim_memset(&ea, 0, sizeof(ea));
7203 ea.cmdidx = CMD_tabnew;
7204 ea.cmd = (char_u *)"tabn";
7205 ea.arg = (char_u *)"";
7206 ex_splitview(&ea);
7207 }
7208
7209 /*
7210 * :tabnext command
7211 */
7212 static void
7213 ex_tabnext(eap)
7214 exarg_T *eap;
7215 {
7216 switch (eap->cmdidx)
7217 {
7218 case CMD_tabfirst:
7219 case CMD_tabrewind:
7220 goto_tabpage(1);
7221 break;
7222 case CMD_tablast:
7223 goto_tabpage(9999);
7224 break;
7225 case CMD_tabprevious:
7226 case CMD_tabNext:
7227 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7228 break;
7229 default: /* CMD_tabnext */
7230 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7231 break;
7232 }
7233 }
7234
7235 /*
7236 * :tabmove command
7237 */
7238 static void
7239 ex_tabmove(eap)
7240 exarg_T *eap;
7241 {
7242 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7243 }
7244
7245 /*
7246 * :tabs command: List tabs and their contents.
7247 */
7248 /*ARGSUSED*/
7249 static void
7250 ex_tabs(eap)
7251 exarg_T *eap;
7252 {
7253 tabpage_T *tp;
7254 win_T *wp;
7255 int tabcount = 1;
7256
7257 msg_start();
7258 msg_scroll = TRUE;
7259 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7260 {
7261 msg_putchar('\n');
7262 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7263 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7264 out_flush(); /* output one line at a time */
7265 ui_breakcheck();
7266
7267 if (tp == curtab)
7268 wp = firstwin;
7269 else
7270 wp = tp->tp_firstwin;
7271 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7272 {
7273 msg_putchar('\n');
7274 msg_putchar(wp == curwin ? '>' : ' ');
7275 msg_putchar(' ');
7276 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7277 msg_putchar(' ');
7278 if (buf_spname(wp->w_buffer) != NULL)
7279 STRCPY(IObuff, buf_spname(wp->w_buffer));
7280 else
7281 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7282 IObuff, IOSIZE, TRUE);
7283 msg_outtrans(IObuff);
7284 out_flush(); /* output one line at a time */
7285 ui_breakcheck();
7286 }
7287 }
7288 }
7289
7290 #endif /* FEAT_WINDOWS */
7291
7292 /*
7293 * ":mode": Set screen mode.
7294 * If no argument given, just get the screen size and redraw.
7295 */
7296 static void
7297 ex_mode(eap)
7298 exarg_T *eap;
7299 {
7300 if (*eap->arg == NUL)
7301 shell_resized();
7302 else
7303 mch_screenmode(eap->arg);
7304 }
7305
7306 #ifdef FEAT_WINDOWS
7307 /*
7308 * ":resize".
7309 * set, increment or decrement current window height
7310 */
7311 static void
7312 ex_resize(eap)
7313 exarg_T *eap;
7314 {
7315 int n;
7316 win_T *wp = curwin;
7317
7318 if (eap->addr_count > 0)
7319 {
7320 n = eap->line2;
7321 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7322 ;
7323 }
7324
7325 #ifdef FEAT_GUI
7326 need_mouse_correct = TRUE;
7327 #endif
7328 n = atol((char *)eap->arg);
7329 #ifdef FEAT_VERTSPLIT
7330 if (cmdmod.split & WSP_VERT)
7331 {
7332 if (*eap->arg == '-' || *eap->arg == '+')
7333 n += W_WIDTH(curwin);
7334 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7335 n = 9999;
7336 win_setwidth_win((int)n, wp);
7337 }
7338 else
7339 #endif
7340 {
7341 if (*eap->arg == '-' || *eap->arg == '+')
7342 n += curwin->w_height;
7343 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7344 n = 9999;
7345 win_setheight_win((int)n, wp);
7346 }
7347 }
7348 #endif
7349
7350 /*
7351 * ":find [+command] <file>" command.
7352 */
7353 static void
7354 ex_find(eap)
7355 exarg_T *eap;
7356 {
7357 #ifdef FEAT_SEARCHPATH
7358 char_u *fname;
7359 int count;
7360
7361 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7362 TRUE, curbuf->b_ffname);
7363 if (eap->addr_count > 0)
7364 {
7365 /* Repeat finding the file "count" times. This matters when it
7366 * appears several times in the path. */
7367 count = eap->line2;
7368 while (fname != NULL && --count > 0)
7369 {
7370 vim_free(fname);
7371 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7372 FALSE, curbuf->b_ffname);
7373 }
7374 }
7375
7376 if (fname != NULL)
7377 {
7378 eap->arg = fname;
7379 #endif
7380 do_exedit(eap, NULL);
7381 #ifdef FEAT_SEARCHPATH
7382 vim_free(fname);
7383 }
7384 #endif
7385 }
7386
7387 /*
7388 * ":open" simulation: for now just work like ":visual".
7389 */
7390 static void
7391 ex_open(eap)
7392 exarg_T *eap;
7393 {
7394 regmatch_T regmatch;
7395 char_u *p;
7396
7397 curwin->w_cursor.lnum = eap->line2;
7398 beginline(BL_SOL | BL_FIX);
7399 if (*eap->arg == '/')
7400 {
7401 /* ":open /pattern/": put cursor in column found with pattern */
7402 ++eap->arg;
7403 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7404 *p = NUL;
7405 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7406 if (regmatch.regprog != NULL)
7407 {
7408 regmatch.rm_ic = p_ic;
7409 p = ml_get_curline();
7410 if (vim_regexec(&regmatch, p, (colnr_T)0))
7411 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7412 else
7413 EMSG(_(e_nomatch));
7414 vim_free(regmatch.regprog);
7415 }
7416 /* Move to the NUL, ignore any other arguments. */
7417 eap->arg += STRLEN(eap->arg);
7418 }
7419 check_cursor();
7420
7421 eap->cmdidx = CMD_visual;
7422 do_exedit(eap, NULL);
7423 }
7424
7425 /*
7426 * ":edit", ":badd", ":visual".
7427 */
7428 static void
7429 ex_edit(eap)
7430 exarg_T *eap;
7431 {
7432 do_exedit(eap, NULL);
7433 }
7434
7435 /*
7436 * ":edit <file>" command and alikes.
7437 */
7438 /*ARGSUSED*/
7439 void
7440 do_exedit(eap, old_curwin)
7441 exarg_T *eap;
7442 win_T *old_curwin; /* curwin before doing a split or NULL */
7443 {
7444 int n;
7445 #ifdef FEAT_WINDOWS
7446 int need_hide;
7447 #endif
7448 int exmode_was = exmode_active;
7449
7450 /*
7451 * ":vi" command ends Ex mode.
7452 */
7453 if (exmode_active && (eap->cmdidx == CMD_visual
7454 || eap->cmdidx == CMD_view))
7455 {
7456 exmode_active = FALSE;
7457 if (*eap->arg == NUL)
7458 {
7459 /* Special case: ":global/pat/visual\NLvi-commands" */
7460 if (global_busy)
7461 {
7462 int rd = RedrawingDisabled;
7463 int nwr = no_wait_return;
7464 int ms = msg_scroll;
7465 #ifdef FEAT_GUI
7466 int he = hold_gui_events;
7467 #endif
7468
7469 if (eap->nextcmd != NULL)
7470 {
7471 stuffReadbuff(eap->nextcmd);
7472 eap->nextcmd = NULL;
7473 }
7474
7475 if (exmode_was != EXMODE_VIM)
7476 settmode(TMODE_RAW);
7477 RedrawingDisabled = 0;
7478 no_wait_return = 0;
7479 need_wait_return = FALSE;
7480 msg_scroll = 0;
7481 #ifdef FEAT_GUI
7482 hold_gui_events = 0;
7483 #endif
7484 must_redraw = CLEAR;
7485
7486 main_loop(FALSE, TRUE);
7487
7488 RedrawingDisabled = rd;
7489 no_wait_return = nwr;
7490 msg_scroll = ms;
7491 #ifdef FEAT_GUI
7492 hold_gui_events = he;
7493 #endif
7494 }
7495 return;
7496 }
7497 }
7498
7499 if ((eap->cmdidx == CMD_new
7500 || eap->cmdidx == CMD_tabnew
7501 || eap->cmdidx == CMD_tabedit
7502 #ifdef FEAT_VERTSPLIT
7503 || eap->cmdidx == CMD_vnew
7504 #endif
7505 ) && *eap->arg == NUL)
7506 {
7507 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7508 setpcmark();
7509 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7510 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7511 }
7512 else if ((eap->cmdidx != CMD_split
7513 #ifdef FEAT_VERTSPLIT
7514 && eap->cmdidx != CMD_vsplit
7515 #endif
7516 )
7517 || *eap->arg != NUL
7518 #ifdef FEAT_BROWSE
7519 || cmdmod.browse
7520 #endif
7521 )
7522 {
7523 #ifdef FEAT_AUTOCMD
7524 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7525 * can bring us here, others are stopped earlier. */
7526 if (*eap->arg != NUL && curbuf_locked())
7527 return;
7528 #endif
7529 n = readonlymode;
7530 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7531 readonlymode = TRUE;
7532 else if (eap->cmdidx == CMD_enew)
7533 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7534 empty buffer */
7535 setpcmark();
7536 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7537 NULL, eap,
7538 /* ":edit" goes to first line if Vi compatible */
7539 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7540 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7541 ? ECMD_ONE : eap->do_ecmd_lnum,
7542 (P_HID(curbuf) ? ECMD_HIDE : 0)
7543 + (eap->forceit ? ECMD_FORCEIT : 0)
7544 #ifdef FEAT_LISTCMDS
7545 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7546 #endif
7547 ) == FAIL)
7548 {
7549 /* Editing the file failed. If the window was split, close it. */
7550 #ifdef FEAT_WINDOWS
7551 if (old_curwin != NULL)
7552 {
7553 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7554 if (!need_hide || P_HID(curbuf))
7555 {
7556 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7557 cleanup_T cs;
7558
7559 /* Reset the error/interrupt/exception state here so that
7560 * aborting() returns FALSE when closing a window. */
7561 enter_cleanup(&cs);
7562 # endif
7563 # ifdef FEAT_GUI
7564 need_mouse_correct = TRUE;
7565 # endif
7566 win_close(curwin, !need_hide && !P_HID(curbuf));
7567
7568 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7569 /* Restore the error/interrupt/exception state if not
7570 * discarded by a new aborting error, interrupt, or
7571 * uncaught exception. */
7572 leave_cleanup(&cs);
7573 # endif
7574 }
7575 }
7576 #endif
7577 }
7578 else if (readonlymode && curbuf->b_nwindows == 1)
7579 {
7580 /* When editing an already visited buffer, 'readonly' won't be set
7581 * but the previous value is kept. With ":view" and ":sview" we
7582 * want the file to be readonly, except when another window is
7583 * editing the same buffer. */
7584 curbuf->b_p_ro = TRUE;
7585 }
7586 readonlymode = n;
7587 }
7588 else
7589 {
7590 if (eap->do_ecmd_cmd != NULL)
7591 do_cmdline_cmd(eap->do_ecmd_cmd);
7592 #ifdef FEAT_TITLE
7593 n = curwin->w_arg_idx_invalid;
7594 #endif
7595 check_arg_idx(curwin);
7596 #ifdef FEAT_TITLE
7597 if (n != curwin->w_arg_idx_invalid)
7598 maketitle();
7599 #endif
7600 }
7601
7602 #ifdef FEAT_WINDOWS
7603 /*
7604 * if ":split file" worked, set alternate file name in old window to new
7605 * file
7606 */
7607 if (old_curwin != NULL
7608 && *eap->arg != NUL
7609 && curwin != old_curwin
7610 && win_valid(old_curwin)
7611 && old_curwin->w_buffer != curbuf
7612 && !cmdmod.keepalt)
7613 old_curwin->w_alt_fnum = curbuf->b_fnum;
7614 #endif
7615
7616 ex_no_reprint = TRUE;
7617 }
7618
7619 #ifndef FEAT_GUI
7620 /*
7621 * ":gui" and ":gvim" when there is no GUI.
7622 */
7623 static void
7624 ex_nogui(eap)
7625 exarg_T *eap;
7626 {
7627 eap->errmsg = e_nogvim;
7628 }
7629 #endif
7630
7631 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7632 static void
7633 ex_tearoff(eap)
7634 exarg_T *eap;
7635 {
7636 gui_make_tearoff(eap->arg);
7637 }
7638 #endif
7639
7640 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7641 || defined(FEAT_GUI_MACVIM))
7642 static void
7643 ex_popup(eap)
7644 exarg_T *eap;
7645 {
7646 gui_make_popup(eap->arg, eap->forceit);
7647 }
7648 #endif
7649
7650 /*ARGSUSED*/
7651 static void
7652 ex_swapname(eap)
7653 exarg_T *eap;
7654 {
7655 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7656 MSG(_("No swap file"));
7657 else
7658 msg(curbuf->b_ml.ml_mfp->mf_fname);
7659 }
7660
7661 /*
7662 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7663 * offset.
7664 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7665 */
7666 /*ARGSUSED*/
7667 static void
7668 ex_syncbind(eap)
7669 exarg_T *eap;
7670 {
7671 #ifdef FEAT_SCROLLBIND
7672 win_T *wp;
7673 long topline;
7674 long y;
7675 linenr_T old_linenr = curwin->w_cursor.lnum;
7676
7677 setpcmark();
7678
7679 /*
7680 * determine max topline
7681 */
7682 if (curwin->w_p_scb)
7683 {
7684 topline = curwin->w_topline;
7685 for (wp = firstwin; wp; wp = wp->w_next)
7686 {
7687 if (wp->w_p_scb && wp->w_buffer)
7688 {
7689 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7690 if (topline > y)
7691 topline = y;
7692 }
7693 }
7694 if (topline < 1)
7695 topline = 1;
7696 }
7697 else
7698 {
7699 topline = 1;
7700 }
7701
7702
7703 /*
7704 * set all scrollbind windows to the same topline
7705 */
7706 wp = curwin;
7707 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7708 {
7709 if (curwin->w_p_scb)
7710 {
7711 y = topline - curwin->w_topline;
7712 if (y > 0)
7713 scrollup(y, TRUE);
7714 else
7715 scrolldown(-y, TRUE);
7716 curwin->w_scbind_pos = topline;
7717 redraw_later(VALID);
7718 cursor_correct();
7719 #ifdef FEAT_WINDOWS
7720 curwin->w_redr_status = TRUE;
7721 #endif
7722 }
7723 }
7724 curwin = wp;
7725 if (curwin->w_p_scb)
7726 {
7727 did_syncbind = TRUE;
7728 checkpcmark();
7729 if (old_linenr != curwin->w_cursor.lnum)
7730 {
7731 char_u ctrl_o[2];
7732
7733 ctrl_o[0] = Ctrl_O;
7734 ctrl_o[1] = 0;
7735 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7736 }
7737 }
7738 #endif
7739 }
7740
7741
7742 static void
7743 ex_read(eap)
7744 exarg_T *eap;
7745 {
7746 int i;
7747 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7748 linenr_T lnum;
7749
7750 if (eap->usefilter) /* :r!cmd */
7751 do_bang(1, eap, FALSE, FALSE, TRUE);
7752 else
7753 {
7754 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7755 return;
7756
7757 #ifdef FEAT_BROWSE
7758 if (cmdmod.browse)
7759 {
7760 char_u *browseFile;
7761
7762 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7763 NULL, NULL, NULL, curbuf);
7764 if (browseFile != NULL)
7765 {
7766 i = readfile(browseFile, NULL,
7767 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7768 vim_free(browseFile);
7769 }
7770 else
7771 i = OK;
7772 }
7773 else
7774 #endif
7775 if (*eap->arg == NUL)
7776 {
7777 if (check_fname() == FAIL) /* check for no file name */
7778 return;
7779 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7780 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7781 }
7782 else
7783 {
7784 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7785 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7786 i = readfile(eap->arg, NULL,
7787 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7788
7789 }
7790 if (i == FAIL)
7791 {
7792 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7793 if (!aborting())
7794 #endif
7795 EMSG2(_(e_notopen), eap->arg);
7796 }
7797 else
7798 {
7799 if (empty && exmode_active)
7800 {
7801 /* Delete the empty line that remains. Historically ex does
7802 * this but vi doesn't. */
7803 if (eap->line2 == 0)
7804 lnum = curbuf->b_ml.ml_line_count;
7805 else
7806 lnum = 1;
7807 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7808 {
7809 ml_delete(lnum, FALSE);
7810 deleted_lines_mark(lnum, 1L);
7811 if (curwin->w_cursor.lnum > 1
7812 && curwin->w_cursor.lnum >= lnum)
7813 --curwin->w_cursor.lnum;
7814 }
7815 }
7816 redraw_curbuf_later(VALID);
7817 }
7818 }
7819 }
7820
7821 static char_u *prev_dir = NULL;
7822
7823 #if defined(EXITFREE) || defined(PROTO)
7824 void
7825 free_cd_dir()
7826 {
7827 vim_free(prev_dir);
7828 prev_dir = NULL;
7829 }
7830 #endif
7831
7832
7833 /*
7834 * ":cd", ":lcd", ":chdir" and ":lchdir".
7835 */
7836 void
7837 ex_cd(eap)
7838 exarg_T *eap;
7839 {
7840 char_u *new_dir;
7841 char_u *tofree;
7842
7843 new_dir = eap->arg;
7844 #if !defined(UNIX) && !defined(VMS)
7845 /* for non-UNIX ":cd" means: print current directory */
7846 if (*new_dir == NUL)
7847 ex_pwd(NULL);
7848 else
7849 #endif
7850 {
7851 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7852 && !eap->forceit)
7853 {
7854 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7855 return;
7856 }
7857
7858 /* ":cd -": Change to previous directory */
7859 if (STRCMP(new_dir, "-") == 0)
7860 {
7861 if (prev_dir == NULL)
7862 {
7863 EMSG(_("E186: No previous directory"));
7864 return;
7865 }
7866 new_dir = prev_dir;
7867 }
7868
7869 /* Save current directory for next ":cd -" */
7870 tofree = prev_dir;
7871 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7872 prev_dir = vim_strsave(NameBuff);
7873 else
7874 prev_dir = NULL;
7875
7876 #if defined(UNIX) || defined(VMS)
7877 /* for UNIX ":cd" means: go to home directory */
7878 if (*new_dir == NUL)
7879 {
7880 /* use NameBuff for home directory name */
7881 # ifdef VMS
7882 char_u *p;
7883
7884 p = mch_getenv((char_u *)"SYS$LOGIN");
7885 if (p == NULL || *p == NUL) /* empty is the same as not set */
7886 NameBuff[0] = NUL;
7887 else
7888 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7889 # else
7890 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7891 # endif
7892 new_dir = NameBuff;
7893 }
7894 #endif
7895 if (new_dir == NULL || vim_chdir(new_dir))
7896 EMSG(_(e_failed));
7897 else
7898 {
7899 vim_free(curwin->w_localdir);
7900 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7901 {
7902 /* If still in global directory, need to remember current
7903 * directory as global directory. */
7904 if (globaldir == NULL && prev_dir != NULL)
7905 globaldir = vim_strsave(prev_dir);
7906 /* Remember this local directory for the window. */
7907 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7908 curwin->w_localdir = vim_strsave(NameBuff);
7909 }
7910 else
7911 {
7912 /* We are now in the global directory, no need to remember its
7913 * name. */
7914 vim_free(globaldir);
7915 globaldir = NULL;
7916 curwin->w_localdir = NULL;
7917 }
7918
7919 shorten_fnames(TRUE);
7920
7921 /* Echo the new current directory if the command was typed. */
7922 if (KeyTyped)
7923 ex_pwd(eap);
7924 }
7925 vim_free(tofree);
7926 }
7927 }
7928
7929 /*
7930 * ":pwd".
7931 */
7932 /*ARGSUSED*/
7933 static void
7934 ex_pwd(eap)
7935 exarg_T *eap;
7936 {
7937 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7938 {
7939 #ifdef BACKSLASH_IN_FILENAME
7940 slash_adjust(NameBuff);
7941 #endif
7942 msg(NameBuff);
7943 }
7944 else
7945 EMSG(_("E187: Unknown"));
7946 }
7947
7948 /*
7949 * ":=".
7950 */
7951 static void
7952 ex_equal(eap)
7953 exarg_T *eap;
7954 {
7955 smsg((char_u *)"%ld", (long)eap->line2);
7956 ex_may_print(eap);
7957 }
7958
7959 static void
7960 ex_sleep(eap)
7961 exarg_T *eap;
7962 {
7963 int n;
7964 long len;
7965
7966 if (cursor_valid())
7967 {
7968 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7969 if (n >= 0)
7970 windgoto((int)n, curwin->w_wcol);
7971 }
7972
7973 len = eap->line2;
7974 switch (*eap->arg)
7975 {
7976 case 'm': break;
7977 case NUL: len *= 1000L; break;
7978 default: EMSG2(_(e_invarg2), eap->arg); return;
7979 }
7980 do_sleep(len);
7981 }
7982
7983 /*
7984 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7985 */
7986 void
7987 do_sleep(msec)
7988 long msec;
7989 {
7990 long done;
7991
7992 cursor_on();
7993 out_flush();
7994 for (done = 0; !got_int && done < msec; done += 1000L)
7995 {
7996 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7997 ui_breakcheck();
7998 }
7999 }
8000
8001 static void
8002 do_exmap(eap, isabbrev)
8003 exarg_T *eap;
8004 int isabbrev;
8005 {
8006 int mode;
8007 char_u *cmdp;
8008
8009 cmdp = eap->cmd;
8010 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8011
8012 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8013 eap->arg, mode, isabbrev))
8014 {
8015 case 1: EMSG(_(e_invarg));
8016 break;
8017 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8018 break;
8019 }
8020 }
8021
8022 /*
8023 * ":winsize" command (obsolete).
8024 */
8025 static void
8026 ex_winsize(eap)
8027 exarg_T *eap;
8028 {
8029 int w, h;
8030 char_u *arg = eap->arg;
8031 char_u *p;
8032
8033 w = getdigits(&arg);
8034 arg = skipwhite(arg);
8035 p = arg;
8036 h = getdigits(&arg);
8037 if (*p != NUL && *arg == NUL)
8038 set_shellsize(w, h, TRUE);
8039 else
8040 EMSG(_("E465: :winsize requires two number arguments"));
8041 }
8042
8043 #ifdef FEAT_WINDOWS
8044 static void
8045 ex_wincmd(eap)
8046 exarg_T *eap;
8047 {
8048 int xchar = NUL;
8049 char_u *p;
8050
8051 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8052 {
8053 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8054 if (eap->arg[1] == NUL)
8055 {
8056 EMSG(_(e_invarg));
8057 return;
8058 }
8059 xchar = eap->arg[1];
8060 p = eap->arg + 2;
8061 }
8062 else
8063 p = eap->arg + 1;
8064
8065 eap->nextcmd = check_nextcmd(p);
8066 p = skipwhite(p);
8067 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8068 EMSG(_(e_invarg));
8069 else
8070 {
8071 /* Pass flags on for ":vertical wincmd ]". */
8072 postponed_split_flags = cmdmod.split;
8073 postponed_split_tab = cmdmod.tab;
8074 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8075 postponed_split_flags = 0;
8076 postponed_split_tab = 0;
8077 }
8078 }
8079 #endif
8080
8081 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8082 /*
8083 * ":winpos".
8084 */
8085 static void
8086 ex_winpos(eap)
8087 exarg_T *eap;
8088 {
8089 int x, y;
8090 char_u *arg = eap->arg;
8091 char_u *p;
8092
8093 if (*arg == NUL)
8094 {
8095 # if defined(FEAT_GUI) || defined(MSWIN)
8096 # ifdef FEAT_GUI
8097 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8098 # else
8099 if (mch_get_winpos(&x, &y) != FAIL)
8100 # endif
8101 {
8102 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8103 msg(IObuff);
8104 }
8105 else
8106 # endif
8107 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8108 }
8109 else
8110 {
8111 x = getdigits(&arg);
8112 arg = skipwhite(arg);
8113 p = arg;
8114 y = getdigits(&arg);
8115 if (*p == NUL || *arg != NUL)
8116 {
8117 EMSG(_("E466: :winpos requires two number arguments"));
8118 return;
8119 }
8120 # ifdef FEAT_GUI
8121 if (gui.in_use)
8122 gui_mch_set_winpos(x, y);
8123 else if (gui.starting)
8124 {
8125 /* Remember the coordinates for when the window is opened. */
8126 gui_win_x = x;
8127 gui_win_y = y;
8128 }
8129 # ifdef HAVE_TGETENT
8130 else
8131 # endif
8132 # else
8133 # ifdef MSWIN
8134 mch_set_winpos(x, y);
8135 # endif
8136 # endif
8137 # ifdef HAVE_TGETENT
8138 if (*T_CWP)
8139 term_set_winpos(x, y);
8140 # endif
8141 }
8142 }
8143 #endif
8144
8145 /*
8146 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8147 */
8148 static void
8149 ex_operators(eap)
8150 exarg_T *eap;
8151 {
8152 oparg_T oa;
8153
8154 clear_oparg(&oa);
8155 oa.regname = eap->regname;
8156 oa.start.lnum = eap->line1;
8157 oa.end.lnum = eap->line2;
8158 oa.line_count = eap->line2 - eap->line1 + 1;
8159 oa.motion_type = MLINE;
8160 #ifdef FEAT_VIRTUALEDIT
8161 virtual_op = FALSE;
8162 #endif
8163 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8164 {
8165 setpcmark();
8166 curwin->w_cursor.lnum = eap->line1;
8167 beginline(BL_SOL | BL_FIX);
8168 }
8169
8170 switch (eap->cmdidx)
8171 {
8172 case CMD_delete:
8173 oa.op_type = OP_DELETE;
8174 op_delete(&oa);
8175 break;
8176
8177 case CMD_yank:
8178 oa.op_type = OP_YANK;
8179 (void)op_yank(&oa, FALSE, TRUE);
8180 break;
8181
8182 default: /* CMD_rshift or CMD_lshift */
8183 if ((eap->cmdidx == CMD_rshift)
8184 #ifdef FEAT_RIGHTLEFT
8185 ^ curwin->w_p_rl
8186 #endif
8187 )
8188 oa.op_type = OP_RSHIFT;
8189 else
8190 oa.op_type = OP_LSHIFT;
8191 op_shift(&oa, FALSE, eap->amount);
8192 break;
8193 }
8194 #ifdef FEAT_VIRTUALEDIT
8195 virtual_op = MAYBE;
8196 #endif
8197 ex_may_print(eap);
8198 }
8199
8200 /*
8201 * ":put".
8202 */
8203 static void
8204 ex_put(eap)
8205 exarg_T *eap;
8206 {
8207 /* ":0put" works like ":1put!". */
8208 if (eap->line2 == 0)
8209 {
8210 eap->line2 = 1;
8211 eap->forceit = TRUE;
8212 }
8213 curwin->w_cursor.lnum = eap->line2;
8214 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8215 PUT_LINE|PUT_CURSLINE);
8216 }
8217
8218 /*
8219 * Handle ":copy" and ":move".
8220 */
8221 static void
8222 ex_copymove(eap)
8223 exarg_T *eap;
8224 {
8225 long n;
8226
8227 n = get_address(&eap->arg, FALSE, FALSE);
8228 if (eap->arg == NULL) /* error detected */
8229 {
8230 eap->nextcmd = NULL;
8231 return;
8232 }
8233 get_flags(eap);
8234
8235 /*
8236 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8237 */
8238 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8239 {
8240 EMSG(_(e_invaddr));
8241 return;
8242 }
8243
8244 if (eap->cmdidx == CMD_move)
8245 {
8246 if (do_move(eap->line1, eap->line2, n) == FAIL)
8247 return;
8248 }
8249 else
8250 ex_copy(eap->line1, eap->line2, n);
8251 u_clearline();
8252 beginline(BL_SOL | BL_FIX);
8253 ex_may_print(eap);
8254 }
8255
8256 /*
8257 * Print the current line if flags were given to the Ex command.
8258 */
8259 static void
8260 ex_may_print(eap)
8261 exarg_T *eap;
8262 {
8263 if (eap->flags != 0)
8264 {
8265 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8266 (eap->flags & EXFLAG_LIST));
8267 ex_no_reprint = TRUE;
8268 }
8269 }
8270
8271 /*
8272 * ":smagic" and ":snomagic".
8273 */
8274 static void
8275 ex_submagic(eap)
8276 exarg_T *eap;
8277 {
8278 int magic_save = p_magic;
8279
8280 p_magic = (eap->cmdidx == CMD_smagic);
8281 do_sub(eap);
8282 p_magic = magic_save;
8283 }
8284
8285 /*
8286 * ":join".
8287 */
8288 static void
8289 ex_join(eap)
8290 exarg_T *eap;
8291 {
8292 curwin->w_cursor.lnum = eap->line1;
8293 if (eap->line1 == eap->line2)
8294 {
8295 if (eap->addr_count >= 2) /* :2,2join does nothing */
8296 return;
8297 if (eap->line2 == curbuf->b_ml.ml_line_count)
8298 {
8299 beep_flush();
8300 return;
8301 }
8302 ++eap->line2;
8303 }
8304 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8305 beginline(BL_WHITE | BL_FIX);
8306 ex_may_print(eap);
8307 }
8308
8309 /*
8310 * ":[addr]@r" or ":[addr]*r": execute register
8311 */
8312 static void
8313 ex_at(eap)
8314 exarg_T *eap;
8315 {
8316 int c;
8317
8318 curwin->w_cursor.lnum = eap->line2;
8319
8320 #ifdef USE_ON_FLY_SCROLL
8321 dont_scroll = TRUE; /* disallow scrolling here */
8322 #endif
8323
8324 /* get the register name. No name means to use the previous one */
8325 c = *eap->arg;
8326 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8327 c = '@';
8328 /* Put the register in the typeahead buffer with the "silent" flag. */
8329 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8330 == FAIL)
8331 {
8332 beep_flush();
8333 }
8334 else
8335 {
8336 int save_efr = exec_from_reg;
8337
8338 exec_from_reg = TRUE;
8339
8340 /*
8341 * Execute from the typeahead buffer.
8342 * Originally this didn't check for the typeahead buffer to be empty,
8343 * thus could read more Ex commands from stdin. It's not clear why,
8344 * it is certainly unexpected.
8345 */
8346 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8347 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8348
8349 exec_from_reg = save_efr;
8350 }
8351 }
8352
8353 /*
8354 * ":!".
8355 */
8356 static void
8357 ex_bang(eap)
8358 exarg_T *eap;
8359 {
8360 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8361 }
8362
8363 /*
8364 * ":undo".
8365 */
8366 /*ARGSUSED*/
8367 static void
8368 ex_undo(eap)
8369 exarg_T *eap;
8370 {
8371 if (eap->addr_count == 1) /* :undo 123 */
8372 undo_time(eap->line2, FALSE, TRUE);
8373 else
8374 u_undo(1);
8375 }
8376
8377 /*
8378 * ":redo".
8379 */
8380 /*ARGSUSED*/
8381 static void
8382 ex_redo(eap)
8383 exarg_T *eap;
8384 {
8385 u_redo(1);
8386 }
8387
8388 /*
8389 * ":earlier" and ":later".
8390 */
8391 /*ARGSUSED*/
8392 static void
8393 ex_later(eap)
8394 exarg_T *eap;
8395 {
8396 long count = 0;
8397 int sec = FALSE;
8398 char_u *p = eap->arg;
8399
8400 if (*p == NUL)
8401 count = 1;
8402 else if (isdigit(*p))
8403 {
8404 count = getdigits(&p);
8405 switch (*p)
8406 {
8407 case 's': ++p; sec = TRUE; break;
8408 case 'm': ++p; sec = TRUE; count *= 60; break;
8409 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8410 }
8411 }
8412
8413 if (*p != NUL)
8414 EMSG2(_(e_invarg2), eap->arg);
8415 else
8416 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8417 }
8418
8419 /*
8420 * ":redir": start/stop redirection.
8421 */
8422 static void
8423 ex_redir(eap)
8424 exarg_T *eap;
8425 {
8426 char *mode;
8427 char_u *fname;
8428 char_u *arg = eap->arg;
8429
8430 if (STRICMP(eap->arg, "END") == 0)
8431 close_redir();
8432 else
8433 {
8434 if (*arg == '>')
8435 {
8436 ++arg;
8437 if (*arg == '>')
8438 {
8439 ++arg;
8440 mode = "a";
8441 }
8442 else
8443 mode = "w";
8444 arg = skipwhite(arg);
8445
8446 close_redir();
8447
8448 /* Expand environment variables and "~/". */
8449 fname = expand_env_save(arg);
8450 if (fname == NULL)
8451 return;
8452 #ifdef FEAT_BROWSE
8453 if (cmdmod.browse)
8454 {
8455 char_u *browseFile;
8456
8457 browseFile = do_browse(BROWSE_SAVE,
8458 (char_u *)_("Save Redirection"),
8459 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8460 if (browseFile == NULL)
8461 return; /* operation cancelled */
8462 vim_free(fname);
8463 fname = browseFile;
8464 eap->forceit = TRUE; /* since dialog already asked */
8465 }
8466 #endif
8467
8468 redir_fd = open_exfile(fname, eap->forceit, mode);
8469 vim_free(fname);
8470 }
8471 #ifdef FEAT_EVAL
8472 else if (*arg == '@')
8473 {
8474 /* redirect to a register a-z (resp. A-Z for appending) */
8475 close_redir();
8476 ++arg;
8477 if (ASCII_ISALPHA(*arg)
8478 # ifdef FEAT_CLIPBOARD
8479 || *arg == '*'
8480 || *arg == '+'
8481 # endif
8482 || *arg == '"')
8483 {
8484 redir_reg = *arg++;
8485 if (*arg == '>' && arg[1] == '>') /* append */
8486 arg += 2;
8487 else
8488 {
8489 /* Can use both "@a" and "@a>". */
8490 if (*arg == '>')
8491 arg++;
8492 /* Make register empty when not using @A-@Z and the
8493 * command is valid. */
8494 if (*arg == NUL && !isupper(redir_reg))
8495 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8496 }
8497 }
8498 if (*arg != NUL)
8499 {
8500 redir_reg = 0;
8501 EMSG2(_(e_invarg2), eap->arg);
8502 }
8503 }
8504 else if (*arg == '=' && arg[1] == '>')
8505 {
8506 int append;
8507
8508 /* redirect to a variable */
8509 close_redir();
8510 arg += 2;
8511
8512 if (*arg == '>')
8513 {
8514 ++arg;
8515 append = TRUE;
8516 }
8517 else
8518 append = FALSE;
8519
8520 if (var_redir_start(skipwhite(arg), append) == OK)
8521 redir_vname = 1;
8522 }
8523 #endif
8524
8525 /* TODO: redirect to a buffer */
8526
8527 else
8528 EMSG2(_(e_invarg2), eap->arg);
8529 }
8530
8531 /* Make sure redirection is not off. Can happen for cmdline completion
8532 * that indirectly invokes a command to catch its output. */
8533 if (redir_fd != NULL
8534 #ifdef FEAT_EVAL
8535 || redir_reg || redir_vname
8536 #endif
8537 )
8538 redir_off = FALSE;
8539 }
8540
8541 /*
8542 * ":redraw": force redraw
8543 */
8544 static void
8545 ex_redraw(eap)
8546 exarg_T *eap;
8547 {
8548 int r = RedrawingDisabled;
8549 int p = p_lz;
8550
8551 RedrawingDisabled = 0;
8552 p_lz = FALSE;
8553 update_topline();
8554 update_screen(eap->forceit ? CLEAR :
8555 #ifdef FEAT_VISUAL
8556 VIsual_active ? INVERTED :
8557 #endif
8558 0);
8559 #ifdef FEAT_TITLE
8560 if (need_maketitle)
8561 maketitle();
8562 #endif
8563 RedrawingDisabled = r;
8564 p_lz = p;
8565
8566 /* Reset msg_didout, so that a message that's there is overwritten. */
8567 msg_didout = FALSE;
8568 msg_col = 0;
8569
8570 out_flush();
8571 }
8572
8573 /*
8574 * ":redrawstatus": force redraw of status line(s)
8575 */
8576 /*ARGSUSED*/
8577 static void
8578 ex_redrawstatus(eap)
8579 exarg_T *eap;
8580 {
8581 #if defined(FEAT_WINDOWS)
8582 int r = RedrawingDisabled;
8583 int p = p_lz;
8584
8585 RedrawingDisabled = 0;
8586 p_lz = FALSE;
8587 if (eap->forceit)
8588 status_redraw_all();
8589 else
8590 status_redraw_curbuf();
8591 update_screen(
8592 # ifdef FEAT_VISUAL
8593 VIsual_active ? INVERTED :
8594 # endif
8595 0);
8596 RedrawingDisabled = r;
8597 p_lz = p;
8598 out_flush();
8599 #endif
8600 }
8601
8602 static void
8603 close_redir()
8604 {
8605 if (redir_fd != NULL)
8606 {
8607 fclose(redir_fd);
8608 redir_fd = NULL;
8609 }
8610 #ifdef FEAT_EVAL
8611 redir_reg = 0;
8612 if (redir_vname)
8613 {
8614 var_redir_stop();
8615 redir_vname = 0;
8616 }
8617 #endif
8618 }
8619
8620 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8621 # define MKSESSION_NL
8622 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8623 #endif
8624
8625 /*
8626 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8627 */
8628 static void
8629 ex_mkrc(eap)
8630 exarg_T *eap;
8631 {
8632 FILE *fd;
8633 int failed = FALSE;
8634 char_u *fname;
8635 #ifdef FEAT_BROWSE
8636 char_u *browseFile = NULL;
8637 #endif
8638 #ifdef FEAT_SESSION
8639 int view_session = FALSE;
8640 int using_vdir = FALSE; /* using 'viewdir'? */
8641 char_u *viewFile = NULL;
8642 unsigned *flagp;
8643 #endif
8644
8645 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8646 {
8647 #ifdef FEAT_SESSION
8648 view_session = TRUE;
8649 #else
8650 ex_ni(eap);
8651 return;
8652 #endif
8653 }
8654
8655 #ifdef FEAT_SESSION
8656 did_lcd = FALSE;
8657
8658 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8659 if (eap->cmdidx == CMD_mkview
8660 && (*eap->arg == NUL
8661 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8662 {
8663 eap->forceit = TRUE;
8664 fname = get_view_file(*eap->arg);
8665 if (fname == NULL)
8666 return;
8667 viewFile = fname;
8668 using_vdir = TRUE;
8669 }
8670 else
8671 #endif
8672 if (*eap->arg != NUL)
8673 fname = eap->arg;
8674 else if (eap->cmdidx == CMD_mkvimrc)
8675 fname = (char_u *)VIMRC_FILE;
8676 #ifdef FEAT_SESSION
8677 else if (eap->cmdidx == CMD_mksession)
8678 fname = (char_u *)SESSION_FILE;
8679 #endif
8680 else
8681 fname = (char_u *)EXRC_FILE;
8682
8683 #ifdef FEAT_BROWSE
8684 if (cmdmod.browse)
8685 {
8686 browseFile = do_browse(BROWSE_SAVE,
8687 # ifdef FEAT_SESSION
8688 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8689 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8690 # endif
8691 (char_u *)_("Save Setup"),
8692 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8693 if (browseFile == NULL)
8694 goto theend;
8695 fname = browseFile;
8696 eap->forceit = TRUE; /* since dialog already asked */
8697 }
8698 #endif
8699
8700 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8701 /* When using 'viewdir' may have to create the directory. */
8702 if (using_vdir && !mch_isdir(p_vdir))
8703 vim_mkdir_emsg(p_vdir, 0755);
8704 #endif
8705
8706 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8707 if (fd != NULL)
8708 {
8709 #ifdef FEAT_SESSION
8710 if (eap->cmdidx == CMD_mkview)
8711 flagp = &vop_flags;
8712 else
8713 flagp = &ssop_flags;
8714 #endif
8715
8716 #ifdef MKSESSION_NL
8717 /* "unix" in 'sessionoptions': use NL line separator */
8718 if (view_session && (*flagp & SSOP_UNIX))
8719 mksession_nl = TRUE;
8720 #endif
8721
8722 /* Write the version command for :mkvimrc */
8723 if (eap->cmdidx == CMD_mkvimrc)
8724 (void)put_line(fd, "version 6.0");
8725
8726 #ifdef FEAT_SESSION
8727 if (eap->cmdidx == CMD_mksession)
8728 {
8729 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8730 failed = TRUE;
8731 }
8732
8733 if (eap->cmdidx != CMD_mkview)
8734 #endif
8735 {
8736 /* Write setting 'compatible' first, because it has side effects.
8737 * For that same reason only do it when needed. */
8738 if (p_cp)
8739 (void)put_line(fd, "if !&cp | set cp | endif");
8740 else
8741 (void)put_line(fd, "if &cp | set nocp | endif");
8742 }
8743
8744 #ifdef FEAT_SESSION
8745 if (!view_session
8746 || (eap->cmdidx == CMD_mksession
8747 && (*flagp & SSOP_OPTIONS)))
8748 #endif
8749 failed |= (makemap(fd, NULL) == FAIL
8750 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8751
8752 #ifdef FEAT_SESSION
8753 if (!failed && view_session)
8754 {
8755 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8756 failed = TRUE;
8757 if (eap->cmdidx == CMD_mksession)
8758 {
8759 char_u dirnow[MAXPATHL]; /* current directory */
8760
8761 /*
8762 * Change to session file's dir.
8763 */
8764 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8765 || mch_chdir((char *)dirnow) != 0)
8766 *dirnow = NUL;
8767 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8768 {
8769 if (vim_chdirfile(fname) == OK)
8770 shorten_fnames(TRUE);
8771 }
8772 else if (*dirnow != NUL
8773 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8774 {
8775 (void)mch_chdir((char *)globaldir);
8776 shorten_fnames(TRUE);
8777 }
8778
8779 failed |= (makeopens(fd, dirnow) == FAIL);
8780
8781 /* restore original dir */
8782 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8783 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8784 {
8785 if (mch_chdir((char *)dirnow) != 0)
8786 EMSG(_(e_prev_dir));
8787 shorten_fnames(TRUE);
8788 }
8789 }
8790 else
8791 {
8792 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8793 -1) == FAIL);
8794 }
8795 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8796 == FAIL)
8797 failed = TRUE;
8798 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8799 failed = TRUE;
8800 if (eap->cmdidx == CMD_mksession)
8801 {
8802 if (put_line(fd, "unlet SessionLoad") == FAIL)
8803 failed = TRUE;
8804 }
8805 }
8806 #endif
8807 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8808 failed = TRUE;
8809
8810 failed |= fclose(fd);
8811
8812 if (failed)
8813 EMSG(_(e_write));
8814 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8815 else if (eap->cmdidx == CMD_mksession)
8816 {
8817 /* successful session write - set this_session var */
8818 char_u tbuf[MAXPATHL];
8819
8820 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8821 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8822 }
8823 #endif
8824 #ifdef MKSESSION_NL
8825 mksession_nl = FALSE;
8826 #endif
8827 }
8828
8829 #ifdef FEAT_BROWSE
8830 theend:
8831 vim_free(browseFile);
8832 #endif
8833 #ifdef FEAT_SESSION
8834 vim_free(viewFile);
8835 #endif
8836 }
8837
8838 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8839 || defined(PROTO)
8840 /*ARGSUSED*/
8841 int
8842 vim_mkdir_emsg(name, prot)
8843 char_u *name;
8844 int prot;
8845 {
8846 if (vim_mkdir(name, prot) != 0)
8847 {
8848 EMSG2(_("E739: Cannot create directory: %s"), name);
8849 return FAIL;
8850 }
8851 return OK;
8852 }
8853 #endif
8854
8855 /*
8856 * Open a file for writing for an Ex command, with some checks.
8857 * Return file descriptor, or NULL on failure.
8858 */
8859 FILE *
8860 open_exfile(fname, forceit, mode)
8861 char_u *fname;
8862 int forceit;
8863 char *mode; /* "w" for create new file or "a" for append */
8864 {
8865 FILE *fd;
8866
8867 #ifdef UNIX
8868 /* with Unix it is possible to open a directory */
8869 if (mch_isdir(fname))
8870 {
8871 EMSG2(_(e_isadir2), fname);
8872 return NULL;
8873 }
8874 #endif
8875 if (!forceit && *mode != 'a' && vim_fexists(fname))
8876 {
8877 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8878 return NULL;
8879 }
8880
8881 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8882 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8883
8884 return fd;
8885 }
8886
8887 /*
8888 * ":mark" and ":k".
8889 */
8890 static void
8891 ex_mark(eap)
8892 exarg_T *eap;
8893 {
8894 pos_T pos;
8895
8896 if (*eap->arg == NUL) /* No argument? */
8897 EMSG(_(e_argreq));
8898 else if (eap->arg[1] != NUL) /* more than one character? */
8899 EMSG(_(e_trailing));
8900 else
8901 {
8902 pos = curwin->w_cursor; /* save curwin->w_cursor */
8903 curwin->w_cursor.lnum = eap->line2;
8904 beginline(BL_WHITE | BL_FIX);
8905 if (setmark(*eap->arg) == FAIL) /* set mark */
8906 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8907 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8908 }
8909 }
8910
8911 /*
8912 * Update w_topline, w_leftcol and the cursor position.
8913 */
8914 void
8915 update_topline_cursor()
8916 {
8917 check_cursor(); /* put cursor on valid line */
8918 update_topline();
8919 if (!curwin->w_p_wrap)
8920 validate_cursor();
8921 update_curswant();
8922 }
8923
8924 #ifdef FEAT_EX_EXTRA
8925 /*
8926 * ":normal[!] {commands}": Execute normal mode commands.
8927 */
8928 static void
8929 ex_normal(eap)
8930 exarg_T *eap;
8931 {
8932 int save_msg_scroll = msg_scroll;
8933 int save_restart_edit = restart_edit;
8934 int save_msg_didout = msg_didout;
8935 int save_State = State;
8936 tasave_T tabuf;
8937 int save_insertmode = p_im;
8938 int save_finish_op = finish_op;
8939 int save_opcount = opcount;
8940 #ifdef FEAT_MBYTE
8941 char_u *arg = NULL;
8942 int l;
8943 char_u *p;
8944 #endif
8945
8946 if (ex_normal_lock > 0)
8947 {
8948 EMSG(_(e_secure));
8949 return;
8950 }
8951 if (ex_normal_busy >= p_mmd)
8952 {
8953 EMSG(_("E192: Recursive use of :normal too deep"));
8954 return;
8955 }
8956 ++ex_normal_busy;
8957
8958 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8959 restart_edit = 0; /* don't go to Insert mode */
8960 p_im = FALSE; /* don't use 'insertmode' */
8961
8962 #ifdef FEAT_MBYTE
8963 /*
8964 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8965 * this for the K_SPECIAL leading byte, otherwise special keys will not
8966 * work.
8967 */
8968 if (has_mbyte)
8969 {
8970 int len = 0;
8971
8972 /* Count the number of characters to be escaped. */
8973 for (p = eap->arg; *p != NUL; ++p)
8974 {
8975 # ifdef FEAT_GUI
8976 if (*p == CSI) /* leadbyte CSI */
8977 len += 2;
8978 # endif
8979 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8980 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8981 # ifdef FEAT_GUI
8982 || *p == CSI
8983 # endif
8984 )
8985 len += 2;
8986 }
8987 if (len > 0)
8988 {
8989 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8990 if (arg != NULL)
8991 {
8992 len = 0;
8993 for (p = eap->arg; *p != NUL; ++p)
8994 {
8995 arg[len++] = *p;
8996 # ifdef FEAT_GUI
8997 if (*p == CSI)
8998 {
8999 arg[len++] = KS_EXTRA;
9000 arg[len++] = (int)KE_CSI;
9001 }
9002 # endif
9003 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9004 {
9005 arg[len++] = *++p;
9006 if (*p == K_SPECIAL)
9007 {
9008 arg[len++] = KS_SPECIAL;
9009 arg[len++] = KE_FILLER;
9010 }
9011 # ifdef FEAT_GUI
9012 else if (*p == CSI)
9013 {
9014 arg[len++] = KS_EXTRA;
9015 arg[len++] = (int)KE_CSI;
9016 }
9017 # endif
9018 }
9019 arg[len] = NUL;
9020 }
9021 }
9022 }
9023 }
9024 #endif
9025
9026 /*
9027 * Save the current typeahead. This is required to allow using ":normal"
9028 * from an event handler and makes sure we don't hang when the argument
9029 * ends with half a command.
9030 */
9031 save_typeahead(&tabuf);
9032 if (tabuf.typebuf_valid)
9033 {
9034 /*
9035 * Repeat the :normal command for each line in the range. When no
9036 * range given, execute it just once, without positioning the cursor
9037 * first.
9038 */
9039 do
9040 {
9041 if (eap->addr_count != 0)
9042 {
9043 curwin->w_cursor.lnum = eap->line1++;
9044 curwin->w_cursor.col = 0;
9045 }
9046
9047 exec_normal_cmd(
9048 #ifdef FEAT_MBYTE
9049 arg != NULL ? arg :
9050 #endif
9051 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9052 }
9053 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9054 }
9055
9056 /* Might not return to the main loop when in an event handler. */
9057 update_topline_cursor();
9058
9059 /* Restore the previous typeahead. */
9060 restore_typeahead(&tabuf);
9061
9062 --ex_normal_busy;
9063 msg_scroll = save_msg_scroll;
9064 restart_edit = save_restart_edit;
9065 p_im = save_insertmode;
9066 finish_op = save_finish_op;
9067 opcount = save_opcount;
9068 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9069
9070 /* Restore the state (needed when called from a function executed for
9071 * 'indentexpr'). */
9072 State = save_State;
9073 #ifdef FEAT_MBYTE
9074 vim_free(arg);
9075 #endif
9076 }
9077
9078 /*
9079 * ":startinsert", ":startreplace" and ":startgreplace"
9080 */
9081 static void
9082 ex_startinsert(eap)
9083 exarg_T *eap;
9084 {
9085 if (eap->forceit)
9086 {
9087 coladvance((colnr_T)MAXCOL);
9088 curwin->w_curswant = MAXCOL;
9089 curwin->w_set_curswant = FALSE;
9090 }
9091
9092 /* Ignore the command when already in Insert mode. Inserting an
9093 * expression register that invokes a function can do this. */
9094 if (State & INSERT)
9095 return;
9096
9097 if (eap->cmdidx == CMD_startinsert)
9098 restart_edit = 'a';
9099 else if (eap->cmdidx == CMD_startreplace)
9100 restart_edit = 'R';
9101 else
9102 restart_edit = 'V';
9103
9104 if (!eap->forceit)
9105 {
9106 if (eap->cmdidx == CMD_startinsert)
9107 restart_edit = 'i';
9108 curwin->w_curswant = 0; /* avoid MAXCOL */
9109 }
9110 }
9111
9112 /*
9113 * ":stopinsert"
9114 */
9115 /*ARGSUSED*/
9116 static void
9117 ex_stopinsert(eap)
9118 exarg_T *eap;
9119 {
9120 restart_edit = 0;
9121 stop_insert_mode = TRUE;
9122 }
9123 #endif
9124
9125 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9126 /*
9127 * Execute normal mode command "cmd".
9128 * "remap" can be REMAP_NONE or REMAP_YES.
9129 */
9130 void
9131 exec_normal_cmd(cmd, remap, silent)
9132 char_u *cmd;
9133 int remap;
9134 int silent;
9135 {
9136 oparg_T oa;
9137
9138 /*
9139 * Stuff the argument into the typeahead buffer.
9140 * Execute normal_cmd() until there is no typeahead left.
9141 */
9142 clear_oparg(&oa);
9143 finish_op = FALSE;
9144 ins_typebuf(cmd, remap, 0, TRUE, silent);
9145 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9146 && !got_int)
9147 {
9148 update_topline_cursor();
9149 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9150 }
9151 }
9152 #endif
9153
9154 #ifdef FEAT_FIND_ID
9155 static void
9156 ex_checkpath(eap)
9157 exarg_T *eap;
9158 {
9159 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9160 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9161 (linenr_T)1, (linenr_T)MAXLNUM);
9162 }
9163
9164 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9165 /*
9166 * ":psearch"
9167 */
9168 static void
9169 ex_psearch(eap)
9170 exarg_T *eap;
9171 {
9172 g_do_tagpreview = p_pvh;
9173 ex_findpat(eap);
9174 g_do_tagpreview = 0;
9175 }
9176 #endif
9177
9178 static void
9179 ex_findpat(eap)
9180 exarg_T *eap;
9181 {
9182 int whole = TRUE;
9183 long n;
9184 char_u *p;
9185 int action;
9186
9187 switch (cmdnames[eap->cmdidx].cmd_name[2])
9188 {
9189 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9190 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9191 action = ACTION_GOTO;
9192 else
9193 action = ACTION_SHOW;
9194 break;
9195 case 'i': /* ":ilist" and ":dlist" */
9196 action = ACTION_SHOW_ALL;
9197 break;
9198 case 'u': /* ":ijump" and ":djump" */
9199 action = ACTION_GOTO;
9200 break;
9201 default: /* ":isplit" and ":dsplit" */
9202 action = ACTION_SPLIT;
9203 break;
9204 }
9205
9206 n = 1;
9207 if (vim_isdigit(*eap->arg)) /* get count */
9208 {
9209 n = getdigits(&eap->arg);
9210 eap->arg = skipwhite(eap->arg);
9211 }
9212 if (*eap->arg == '/') /* Match regexp, not just whole words */
9213 {
9214 whole = FALSE;
9215 ++eap->arg;
9216 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9217 if (*p)
9218 {
9219 *p++ = NUL;
9220 p = skipwhite(p);
9221
9222 /* Check for trailing illegal characters */
9223 if (!ends_excmd(*p))
9224 eap->errmsg = e_trailing;
9225 else
9226 eap->nextcmd = check_nextcmd(p);
9227 }
9228 }
9229 if (!eap->skip)
9230 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9231 whole, !eap->forceit,
9232 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9233 n, action, eap->line1, eap->line2);
9234 }
9235 #endif
9236
9237 #ifdef FEAT_WINDOWS
9238
9239 # ifdef FEAT_QUICKFIX
9240 /*
9241 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9242 */
9243 static void
9244 ex_ptag(eap)
9245 exarg_T *eap;
9246 {
9247 g_do_tagpreview = p_pvh;
9248 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9249 }
9250
9251 /*
9252 * ":pedit"
9253 */
9254 static void
9255 ex_pedit(eap)
9256 exarg_T *eap;
9257 {
9258 win_T *curwin_save = curwin;
9259
9260 g_do_tagpreview = p_pvh;
9261 prepare_tagpreview(TRUE);
9262 keep_help_flag = curwin_save->w_buffer->b_help;
9263 do_exedit(eap, NULL);
9264 keep_help_flag = FALSE;
9265 if (curwin != curwin_save && win_valid(curwin_save))
9266 {
9267 /* Return cursor to where we were */
9268 validate_cursor();
9269 redraw_later(VALID);
9270 win_enter(curwin_save, TRUE);
9271 }
9272 g_do_tagpreview = 0;
9273 }
9274 # endif
9275
9276 /*
9277 * ":stag", ":stselect" and ":stjump".
9278 */
9279 static void
9280 ex_stag(eap)
9281 exarg_T *eap;
9282 {
9283 postponed_split = -1;
9284 postponed_split_flags = cmdmod.split;
9285 postponed_split_tab = cmdmod.tab;
9286 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9287 postponed_split_flags = 0;
9288 postponed_split_tab = 0;
9289 }
9290 #endif
9291
9292 /*
9293 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9294 */
9295 static void
9296 ex_tag(eap)
9297 exarg_T *eap;
9298 {
9299 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9300 }
9301
9302 static void
9303 ex_tag_cmd(eap, name)
9304 exarg_T *eap;
9305 char_u *name;
9306 {
9307 int cmd;
9308
9309 switch (name[1])
9310 {
9311 case 'j': cmd = DT_JUMP; /* ":tjump" */
9312 break;
9313 case 's': cmd = DT_SELECT; /* ":tselect" */
9314 break;
9315 case 'p': cmd = DT_PREV; /* ":tprevious" */
9316 break;
9317 case 'N': cmd = DT_PREV; /* ":tNext" */
9318 break;
9319 case 'n': cmd = DT_NEXT; /* ":tnext" */
9320 break;
9321 case 'o': cmd = DT_POP; /* ":pop" */
9322 break;
9323 case 'f': /* ":tfirst" */
9324 case 'r': cmd = DT_FIRST; /* ":trewind" */
9325 break;
9326 case 'l': cmd = DT_LAST; /* ":tlast" */
9327 break;
9328 default: /* ":tag" */
9329 #ifdef FEAT_CSCOPE
9330 if (p_cst && *eap->arg != NUL)
9331 {
9332 do_cstag(eap);
9333 return;
9334 }
9335 #endif
9336 cmd = DT_TAG;
9337 break;
9338 }
9339
9340 if (name[0] == 'l')
9341 {
9342 #ifndef FEAT_QUICKFIX
9343 ex_ni(eap);
9344 return;
9345 #else
9346 cmd = DT_LTAG;
9347 #endif
9348 }
9349
9350 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9351 eap->forceit, TRUE);
9352 }
9353
9354 /*
9355 * Check "str" for starting with a special cmdline variable.
9356 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9357 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9358 */
9359 int
9360 find_cmdline_var(src, usedlen)
9361 char_u *src;
9362 int *usedlen;
9363 {
9364 int len;
9365 int i;
9366 static char *(spec_str[]) = {
9367 "%",
9368 #define SPEC_PERC 0
9369 "#",
9370 #define SPEC_HASH 1
9371 "<cword>", /* cursor word */
9372 #define SPEC_CWORD 2
9373 "<cWORD>", /* cursor WORD */
9374 #define SPEC_CCWORD 3
9375 "<cfile>", /* cursor path name */
9376 #define SPEC_CFILE 4
9377 "<sfile>", /* ":so" file name */
9378 #define SPEC_SFILE 5
9379 #ifdef FEAT_AUTOCMD
9380 "<afile>", /* autocommand file name */
9381 # define SPEC_AFILE 6
9382 "<abuf>", /* autocommand buffer number */
9383 # define SPEC_ABUF 7
9384 "<amatch>", /* autocommand match name */
9385 # define SPEC_AMATCH 8
9386 #endif
9387 #ifdef FEAT_CLIENTSERVER
9388 "<client>"
9389 # define SPEC_CLIENT 9
9390 #endif
9391 };
9392 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9393
9394 for (i = 0; i < SPEC_COUNT; ++i)
9395 {
9396 len = (int)STRLEN(spec_str[i]);
9397 if (STRNCMP(src, spec_str[i], len) == 0)
9398 {
9399 *usedlen = len;
9400 return i;
9401 }
9402 }
9403 return -1;
9404 }
9405
9406 /*
9407 * Evaluate cmdline variables.
9408 *
9409 * change '%' to curbuf->b_ffname
9410 * '#' to curwin->w_altfile
9411 * '<cword>' to word under the cursor
9412 * '<cWORD>' to WORD under the cursor
9413 * '<cfile>' to path name under the cursor
9414 * '<sfile>' to sourced file name
9415 * '<afile>' to file name for autocommand
9416 * '<abuf>' to buffer number for autocommand
9417 * '<amatch>' to matching name for autocommand
9418 *
9419 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9420 * "" for error without a message) and NULL is returned.
9421 * Returns an allocated string if a valid match was found.
9422 * Returns NULL if no match was found. "usedlen" then still contains the
9423 * number of characters to skip.
9424 */
9425 char_u *
9426 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9427 char_u *src; /* pointer into commandline */
9428 char_u *srcstart; /* beginning of valid memory for src */
9429 int *usedlen; /* characters after src that are used */
9430 linenr_T *lnump; /* line number for :e command, or NULL */
9431 char_u **errormsg; /* pointer to error message */
9432 int *escaped; /* return value has escaped white space (can
9433 * be NULL) */
9434 {
9435 int i;
9436 char_u *s;
9437 char_u *result;
9438 char_u *resultbuf = NULL;
9439 int resultlen;
9440 buf_T *buf;
9441 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9442 int spec_idx;
9443 #ifdef FEAT_MODIFY_FNAME
9444 int skip_mod = FALSE;
9445 #endif
9446
9447 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9448 char_u strbuf[30];
9449 #endif
9450
9451 *errormsg = NULL;
9452 if (escaped != NULL)
9453 *escaped = FALSE;
9454
9455 /*
9456 * Check if there is something to do.
9457 */
9458 spec_idx = find_cmdline_var(src, usedlen);
9459 if (spec_idx < 0) /* no match */
9460 {
9461 *usedlen = 1;
9462 return NULL;
9463 }
9464
9465 /*
9466 * Skip when preceded with a backslash "\%" and "\#".
9467 * Note: In "\\%" the % is also not recognized!
9468 */
9469 if (src > srcstart && src[-1] == '\\')
9470 {
9471 *usedlen = 0;
9472 STRMOVE(src - 1, src); /* remove backslash */
9473 return NULL;
9474 }
9475
9476 /*
9477 * word or WORD under cursor
9478 */
9479 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9480 {
9481 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9482 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9483 if (resultlen == 0)
9484 {
9485 *errormsg = (char_u *)"";
9486 return NULL;
9487 }
9488 }
9489
9490 /*
9491 * '#': Alternate file name
9492 * '%': Current file name
9493 * File name under the cursor
9494 * File name for autocommand
9495 * and following modifiers
9496 */
9497 else
9498 {
9499 switch (spec_idx)
9500 {
9501 case SPEC_PERC: /* '%': current file */
9502 if (curbuf->b_fname == NULL)
9503 {
9504 result = (char_u *)"";
9505 valid = 0; /* Must have ":p:h" to be valid */
9506 }
9507 else
9508 #ifdef RISCOS
9509 /* Always use the full path for RISC OS if possible. */
9510 result = curbuf->b_ffname;
9511 if (result == NULL)
9512 result = curbuf->b_fname;
9513 #else
9514 result = curbuf->b_fname;
9515 #endif
9516 break;
9517
9518 case SPEC_HASH: /* '#' or "#99": alternate file */
9519 if (src[1] == '#') /* "##": the argument list */
9520 {
9521 result = arg_all();
9522 resultbuf = result;
9523 *usedlen = 2;
9524 if (escaped != NULL)
9525 *escaped = TRUE;
9526 #ifdef FEAT_MODIFY_FNAME
9527 skip_mod = TRUE;
9528 #endif
9529 break;
9530 }
9531 s = src + 1;
9532 if (*s == '<') /* "#<99" uses v:oldfiles */
9533 ++s;
9534 i = (int)getdigits(&s);
9535 *usedlen = (int)(s - src); /* length of what we expand */
9536
9537 if (src[1] == '<')
9538 {
9539 if (*usedlen < 2)
9540 {
9541 /* Should we give an error message for #<text? */
9542 *usedlen = 1;
9543 return NULL;
9544 }
9545 #ifdef FEAT_EVAL
9546 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9547 (long)i);
9548 if (result == NULL)
9549 {
9550 *errormsg = (char_u *)"";
9551 return NULL;
9552 }
9553 #else
9554 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9555 return NULL;
9556 #endif
9557 }
9558 else
9559 {
9560 buf = buflist_findnr(i);
9561 if (buf == NULL)
9562 {
9563 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9564 return NULL;
9565 }
9566 if (lnump != NULL)
9567 *lnump = ECMD_LAST;
9568 if (buf->b_fname == NULL)
9569 {
9570 result = (char_u *)"";
9571 valid = 0; /* Must have ":p:h" to be valid */
9572 }
9573 else
9574 result = buf->b_fname;
9575 }
9576 break;
9577
9578 #ifdef FEAT_SEARCHPATH
9579 case SPEC_CFILE: /* file name under cursor */
9580 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9581 if (result == NULL)
9582 {
9583 *errormsg = (char_u *)"";
9584 return NULL;
9585 }
9586 resultbuf = result; /* remember allocated string */
9587 break;
9588 #endif
9589
9590 #ifdef FEAT_AUTOCMD
9591 case SPEC_AFILE: /* file name for autocommand */
9592 result = autocmd_fname;
9593 if (result != NULL && !autocmd_fname_full)
9594 {
9595 /* Still need to turn the fname into a full path. It is
9596 * postponed to avoid a delay when <afile> is not used. */
9597 autocmd_fname_full = TRUE;
9598 result = FullName_save(autocmd_fname, FALSE);
9599 vim_free(autocmd_fname);
9600 autocmd_fname = result;
9601 }
9602 if (result == NULL)
9603 {
9604 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9605 return NULL;
9606 }
9607 result = shorten_fname1(result);
9608 break;
9609
9610 case SPEC_ABUF: /* buffer number for autocommand */
9611 if (autocmd_bufnr <= 0)
9612 {
9613 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9614 return NULL;
9615 }
9616 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9617 result = strbuf;
9618 break;
9619
9620 case SPEC_AMATCH: /* match name for autocommand */
9621 result = autocmd_match;
9622 if (result == NULL)
9623 {
9624 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9625 return NULL;
9626 }
9627 break;
9628
9629 #endif
9630 case SPEC_SFILE: /* file name for ":so" command */
9631 result = sourcing_name;
9632 if (result == NULL)
9633 {
9634 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9635 return NULL;
9636 }
9637 break;
9638 #if defined(FEAT_CLIENTSERVER)
9639 case SPEC_CLIENT: /* Source of last submitted input */
9640 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9641 (long_u)clientWindow);
9642 result = strbuf;
9643 break;
9644 #endif
9645 }
9646
9647 resultlen = (int)STRLEN(result); /* length of new string */
9648 if (src[*usedlen] == '<') /* remove the file name extension */
9649 {
9650 ++*usedlen;
9651 #ifdef RISCOS
9652 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9653 #else
9654 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9655 #endif
9656 resultlen = (int)(s - result);
9657 }
9658 #ifdef FEAT_MODIFY_FNAME
9659 else if (!skip_mod)
9660 {
9661 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9662 &resultlen);
9663 if (result == NULL)
9664 {
9665 *errormsg = (char_u *)"";
9666 return NULL;
9667 }
9668 }
9669 #endif
9670 }
9671
9672 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9673 {
9674 if (valid != VALID_HEAD + VALID_PATH)
9675 /* xgettext:no-c-format */
9676 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9677 else
9678 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9679 result = NULL;
9680 }
9681 else
9682 result = vim_strnsave(result, resultlen);
9683 vim_free(resultbuf);
9684 return result;
9685 }
9686
9687 /*
9688 * Concatenate all files in the argument list, separated by spaces, and return
9689 * it in one allocated string.
9690 * Spaces and backslashes in the file names are escaped with a backslash.
9691 * Returns NULL when out of memory.
9692 */
9693 static char_u *
9694 arg_all()
9695 {
9696 int len;
9697 int idx;
9698 char_u *retval = NULL;
9699 char_u *p;
9700
9701 /*
9702 * Do this loop two times:
9703 * first time: compute the total length
9704 * second time: concatenate the names
9705 */
9706 for (;;)
9707 {
9708 len = 0;
9709 for (idx = 0; idx < ARGCOUNT; ++idx)
9710 {
9711 p = alist_name(&ARGLIST[idx]);
9712 if (p != NULL)
9713 {
9714 if (len > 0)
9715 {
9716 /* insert a space in between names */
9717 if (retval != NULL)
9718 retval[len] = ' ';
9719 ++len;
9720 }
9721 for ( ; *p != NUL; ++p)
9722 {
9723 if (*p == ' ' || *p == '\\')
9724 {
9725 /* insert a backslash */
9726 if (retval != NULL)
9727 retval[len] = '\\';
9728 ++len;
9729 }
9730 if (retval != NULL)
9731 retval[len] = *p;
9732 ++len;
9733 }
9734 }
9735 }
9736
9737 /* second time: break here */
9738 if (retval != NULL)
9739 {
9740 retval[len] = NUL;
9741 break;
9742 }
9743
9744 /* allocate memory */
9745 retval = alloc(len + 1);
9746 if (retval == NULL)
9747 break;
9748 }
9749
9750 return retval;
9751 }
9752
9753 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9754 /*
9755 * Expand the <sfile> string in "arg".
9756 *
9757 * Returns an allocated string, or NULL for any error.
9758 */
9759 char_u *
9760 expand_sfile(arg)
9761 char_u *arg;
9762 {
9763 char_u *errormsg;
9764 int len;
9765 char_u *result;
9766 char_u *newres;
9767 char_u *repl;
9768 int srclen;
9769 char_u *p;
9770
9771 result = vim_strsave(arg);
9772 if (result == NULL)
9773 return NULL;
9774
9775 for (p = result; *p; )
9776 {
9777 if (STRNCMP(p, "<sfile>", 7) != 0)
9778 ++p;
9779 else
9780 {
9781 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9782 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9783 if (errormsg != NULL)
9784 {
9785 if (*errormsg)
9786 emsg(errormsg);
9787 vim_free(result);
9788 return NULL;
9789 }
9790 if (repl == NULL) /* no match (cannot happen) */
9791 {
9792 p += srclen;
9793 continue;
9794 }
9795 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9796 newres = alloc(len);
9797 if (newres == NULL)
9798 {
9799 vim_free(repl);
9800 vim_free(result);
9801 return NULL;
9802 }
9803 mch_memmove(newres, result, (size_t)(p - result));
9804 STRCPY(newres + (p - result), repl);
9805 len = (int)STRLEN(newres);
9806 STRCAT(newres, p + srclen);
9807 vim_free(repl);
9808 vim_free(result);
9809 result = newres;
9810 p = newres + len; /* continue after the match */
9811 }
9812 }
9813
9814 return result;
9815 }
9816 #endif
9817
9818 #ifdef FEAT_SESSION
9819 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9820 win_T *tab_firstwin));
9821 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9822 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9823 static int ses_do_frame __ARGS((frame_T *fr));
9824 static int ses_do_win __ARGS((win_T *wp));
9825 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9826 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9827 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9828
9829 /*
9830 * Write openfile commands for the current buffers to an .exrc file.
9831 * Return FAIL on error, OK otherwise.
9832 */
9833 static int
9834 makeopens(fd, dirnow)
9835 FILE *fd;
9836 char_u *dirnow; /* Current directory name */
9837 {
9838 buf_T *buf;
9839 int only_save_windows = TRUE;
9840 int nr;
9841 int cnr = 1;
9842 int restore_size = TRUE;
9843 win_T *wp;
9844 char_u *sname;
9845 win_T *edited_win = NULL;
9846 int tabnr;
9847 win_T *tab_firstwin;
9848 frame_T *tab_topframe;
9849 int cur_arg_idx = 0;
9850 int next_arg_idx = 0;
9851
9852 if (ssop_flags & SSOP_BUFFERS)
9853 only_save_windows = FALSE; /* Save ALL buffers */
9854
9855 /*
9856 * Begin by setting the this_session variable, and then other
9857 * sessionable variables.
9858 */
9859 #ifdef FEAT_EVAL
9860 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9861 return FAIL;
9862 if (ssop_flags & SSOP_GLOBALS)
9863 if (store_session_globals(fd) == FAIL)
9864 return FAIL;
9865 #endif
9866
9867 /*
9868 * Close all windows but one.
9869 */
9870 if (put_line(fd, "silent only") == FAIL)
9871 return FAIL;
9872
9873 /*
9874 * Now a :cd command to the session directory or the current directory
9875 */
9876 if (ssop_flags & SSOP_SESDIR)
9877 {
9878 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9879 == FAIL)
9880 return FAIL;
9881 }
9882 else if (ssop_flags & SSOP_CURDIR)
9883 {
9884 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9885 if (sname == NULL
9886 || fputs("cd ", fd) < 0
9887 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9888 || put_eol(fd) == FAIL)
9889 {
9890 vim_free(sname);
9891 return FAIL;
9892 }
9893 vim_free(sname);
9894 }
9895
9896 /*
9897 * If there is an empty, unnamed buffer we will wipe it out later.
9898 * Remember the buffer number.
9899 */
9900 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9901 return FAIL;
9902 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9903 return FAIL;
9904 if (put_line(fd, "endif") == FAIL)
9905 return FAIL;
9906
9907 /*
9908 * Now save the current files, current buffer first.
9909 */
9910 if (put_line(fd, "set shortmess=aoO") == FAIL)
9911 return FAIL;
9912
9913 /* Now put the other buffers into the buffer list */
9914 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9915 {
9916 if (!(only_save_windows && buf->b_nwindows == 0)
9917 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9918 && buf->b_fname != NULL
9919 && buf->b_p_bl)
9920 {
9921 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9922 : buf->b_wininfo->wi_fpos.lnum) < 0
9923 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9924 return FAIL;
9925 }
9926 }
9927
9928 /* the global argument list */
9929 if (ses_arglist(fd, "args", &global_alist.al_ga,
9930 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9931 return FAIL;
9932
9933 if (ssop_flags & SSOP_RESIZE)
9934 {
9935 /* Note: after the restore we still check it worked!*/
9936 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9937 || put_eol(fd) == FAIL)
9938 return FAIL;
9939 #ifdef FEAT_FULLSCREEN
9940 /* fullscreen needs to be set after lines and columns */
9941 if (p_fullscreen)
9942 {
9943 if (fprintf(fd, "set fullscreen") < 0 || put_eol(fd) == FAIL)
9944 return FAIL;
9945 }
9946 #endif
9947 }
9948
9949 #ifdef FEAT_GUI
9950 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9951 {
9952 int x, y;
9953
9954 if (gui_mch_get_winpos(&x, &y) == OK)
9955 {
9956 /* Note: after the restore we still check it worked!*/
9957 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9958 return FAIL;
9959 }
9960 }
9961 #endif
9962
9963 /*
9964 * May repeat putting Windows for each tab, when "tabpages" is in
9965 * 'sessionoptions'.
9966 * Don't use goto_tabpage(), it may change directory and trigger
9967 * autocommands.
9968 */
9969 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9970 tab_topframe = topframe;
9971 for (tabnr = 1; ; ++tabnr)
9972 {
9973 int need_tabnew = FALSE;
9974
9975 if ((ssop_flags & SSOP_TABPAGES))
9976 {
9977 tabpage_T *tp = find_tabpage(tabnr);
9978
9979 if (tp == NULL)
9980 break; /* done all tab pages */
9981 if (tp == curtab)
9982 {
9983 tab_firstwin = firstwin;
9984 tab_topframe = topframe;
9985 }
9986 else
9987 {
9988 tab_firstwin = tp->tp_firstwin;
9989 tab_topframe = tp->tp_topframe;
9990 }
9991 if (tabnr > 1)
9992 need_tabnew = TRUE;
9993 }
9994
9995 /*
9996 * Before creating the window layout, try loading one file. If this
9997 * is aborted we don't end up with a number of useless windows.
9998 * This may have side effects! (e.g., compressed or network file).
9999 */
10000 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10001 {
10002 if (ses_do_win(wp)
10003 && wp->w_buffer->b_ffname != NULL
10004 && !wp->w_buffer->b_help
10005 #ifdef FEAT_QUICKFIX
10006 && !bt_nofile(wp->w_buffer)
10007 #endif
10008 )
10009 {
10010 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10011 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10012 return FAIL;
10013 need_tabnew = FALSE;
10014 if (!wp->w_arg_idx_invalid)
10015 edited_win = wp;
10016 break;
10017 }
10018 }
10019
10020 /* If no file got edited create an empty tab page. */
10021 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10022 return FAIL;
10023
10024 /*
10025 * Save current window layout.
10026 */
10027 if (put_line(fd, "set splitbelow splitright") == FAIL)
10028 return FAIL;
10029 if (ses_win_rec(fd, tab_topframe) == FAIL)
10030 return FAIL;
10031 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10032 return FAIL;
10033 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10034 return FAIL;
10035
10036 /*
10037 * Check if window sizes can be restored (no windows omitted).
10038 * Remember the window number of the current window after restoring.
10039 */
10040 nr = 0;
10041 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10042 {
10043 if (ses_do_win(wp))
10044 ++nr;
10045 else
10046 restore_size = FALSE;
10047 if (curwin == wp)
10048 cnr = nr;
10049 }
10050
10051 /* Go to the first window. */
10052 if (put_line(fd, "wincmd t") == FAIL)
10053 return FAIL;
10054
10055 /*
10056 * If more than one window, see if sizes can be restored.
10057 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10058 * resized when moving between windows.
10059 * Do this before restoring the view, so that the topline and the
10060 * cursor can be set. This is done again below.
10061 */
10062 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10063 return FAIL;
10064 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10065 return FAIL;
10066
10067 /*
10068 * Restore the view of the window (options, file, cursor, etc.).
10069 */
10070 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10071 {
10072 if (!ses_do_win(wp))
10073 continue;
10074 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10075 cur_arg_idx) == FAIL)
10076 return FAIL;
10077 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10078 return FAIL;
10079 next_arg_idx = wp->w_arg_idx;
10080 }
10081
10082 /* The argument index in the first tab page is zero, need to set it in
10083 * each window. For further tab pages it's the window where we do
10084 * "tabedit". */
10085 cur_arg_idx = next_arg_idx;
10086
10087 /*
10088 * Restore cursor to the current window if it's not the first one.
10089 */
10090 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10091 || put_eol(fd) == FAIL))
10092 return FAIL;
10093
10094 /*
10095 * Restore window sizes again after jumping around in windows, because
10096 * the current window has a minimum size while others may not.
10097 */
10098 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10099 return FAIL;
10100
10101 /* Don't continue in another tab page when doing only the current one
10102 * or when at the last tab page. */
10103 if (!(ssop_flags & SSOP_TABPAGES))
10104 break;
10105 }
10106
10107 if (ssop_flags & SSOP_TABPAGES)
10108 {
10109 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10110 || put_eol(fd) == FAIL)
10111 return FAIL;
10112 }
10113
10114 /*
10115 * Wipe out an empty unnamed buffer we started in.
10116 */
10117 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10118 return FAIL;
10119 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10120 return FAIL;
10121 if (put_line(fd, "endif") == FAIL)
10122 return FAIL;
10123 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10124 return FAIL;
10125
10126 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10127 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10128 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10129 return FAIL;
10130
10131 /*
10132 * Lastly, execute the x.vim file if it exists.
10133 */
10134 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10135 || put_line(fd, "if file_readable(s:sx)") == FAIL
10136 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10137 || put_line(fd, "endif") == FAIL)
10138 return FAIL;
10139
10140 return OK;
10141 }
10142
10143 static int
10144 ses_winsizes(fd, restore_size, tab_firstwin)
10145 FILE *fd;
10146 int restore_size;
10147 win_T *tab_firstwin;
10148 {
10149 int n = 0;
10150 win_T *wp;
10151
10152 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10153 {
10154 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10155 {
10156 if (!ses_do_win(wp))
10157 continue;
10158 ++n;
10159
10160 /* restore height when not full height */
10161 if (wp->w_height + wp->w_status_height < topframe->fr_height
10162 && (fprintf(fd,
10163 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10164 n, (long)wp->w_height, Rows / 2, Rows) < 0
10165 || put_eol(fd) == FAIL))
10166 return FAIL;
10167
10168 /* restore width when not full width */
10169 if (wp->w_width < Columns && (fprintf(fd,
10170 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10171 n, (long)wp->w_width, Columns / 2, Columns) < 0
10172 || put_eol(fd) == FAIL))
10173 return FAIL;
10174 }
10175 }
10176 else
10177 {
10178 /* Just equalise window sizes */
10179 if (put_line(fd, "wincmd =") == FAIL)
10180 return FAIL;
10181 }
10182 return OK;
10183 }
10184
10185 /*
10186 * Write commands to "fd" to recursively create windows for frame "fr",
10187 * horizontally and vertically split.
10188 * After the commands the last window in the frame is the current window.
10189 * Returns FAIL when writing the commands to "fd" fails.
10190 */
10191 static int
10192 ses_win_rec(fd, fr)
10193 FILE *fd;
10194 frame_T *fr;
10195 {
10196 frame_T *frc;
10197 int count = 0;
10198
10199 if (fr->fr_layout != FR_LEAF)
10200 {
10201 /* Find first frame that's not skipped and then create a window for
10202 * each following one (first frame is already there). */
10203 frc = ses_skipframe(fr->fr_child);
10204 if (frc != NULL)
10205 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10206 {
10207 /* Make window as big as possible so that we have lots of room
10208 * to split. */
10209 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10210 || put_line(fd, fr->fr_layout == FR_COL
10211 ? "split" : "vsplit") == FAIL)
10212 return FAIL;
10213 ++count;
10214 }
10215
10216 /* Go back to the first window. */
10217 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10218 ? "%dwincmd k" : "%dwincmd h", count) < 0
10219 || put_eol(fd) == FAIL))
10220 return FAIL;
10221
10222 /* Recursively create frames/windows in each window of this column or
10223 * row. */
10224 frc = ses_skipframe(fr->fr_child);
10225 while (frc != NULL)
10226 {
10227 ses_win_rec(fd, frc);
10228 frc = ses_skipframe(frc->fr_next);
10229 /* Go to next window. */
10230 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10231 return FAIL;
10232 }
10233 }
10234 return OK;
10235 }
10236
10237 /*
10238 * Skip frames that don't contain windows we want to save in the Session.
10239 * Returns NULL when there none.
10240 */
10241 static frame_T *
10242 ses_skipframe(fr)
10243 frame_T *fr;
10244 {
10245 frame_T *frc;
10246
10247 for (frc = fr; frc != NULL; frc = frc->fr_next)
10248 if (ses_do_frame(frc))
10249 break;
10250 return frc;
10251 }
10252
10253 /*
10254 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10255 * the Session.
10256 */
10257 static int
10258 ses_do_frame(fr)
10259 frame_T *fr;
10260 {
10261 frame_T *frc;
10262
10263 if (fr->fr_layout == FR_LEAF)
10264 return ses_do_win(fr->fr_win);
10265 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10266 if (ses_do_frame(frc))
10267 return TRUE;
10268 return FALSE;
10269 }
10270
10271 /*
10272 * Return non-zero if window "wp" is to be stored in the Session.
10273 */
10274 static int
10275 ses_do_win(wp)
10276 win_T *wp;
10277 {
10278 if (wp->w_buffer->b_fname == NULL
10279 #ifdef FEAT_QUICKFIX
10280 /* When 'buftype' is "nofile" can't restore the window contents. */
10281 || bt_nofile(wp->w_buffer)
10282 #endif
10283 )
10284 return (ssop_flags & SSOP_BLANK);
10285 if (wp->w_buffer->b_help)
10286 return (ssop_flags & SSOP_HELP);
10287 return TRUE;
10288 }
10289
10290 /*
10291 * Write commands to "fd" to restore the view of a window.
10292 * Caller must make sure 'scrolloff' is zero.
10293 */
10294 static int
10295 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10296 FILE *fd;
10297 win_T *wp;
10298 int add_edit; /* add ":edit" command to view */
10299 unsigned *flagp; /* vop_flags or ssop_flags */
10300 int current_arg_idx; /* current argument index of the window, use
10301 * -1 if unknown */
10302 {
10303 win_T *save_curwin;
10304 int f;
10305 int do_cursor;
10306 int did_next = FALSE;
10307
10308 /* Always restore cursor position for ":mksession". For ":mkview" only
10309 * when 'viewoptions' contains "cursor". */
10310 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10311
10312 /*
10313 * Local argument list.
10314 */
10315 if (wp->w_alist == &global_alist)
10316 {
10317 if (put_line(fd, "argglobal") == FAIL)
10318 return FAIL;
10319 }
10320 else
10321 {
10322 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10323 flagp == &vop_flags
10324 || !(*flagp & SSOP_CURDIR)
10325 || wp->w_localdir != NULL, flagp) == FAIL)
10326 return FAIL;
10327 }
10328
10329 /* Only when part of a session: restore the argument index. Some
10330 * arguments may have been deleted, check if the index is valid. */
10331 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10332 && flagp == &ssop_flags)
10333 {
10334 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10335 || put_eol(fd) == FAIL)
10336 return FAIL;
10337 did_next = TRUE;
10338 }
10339
10340 /* Edit the file. Skip this when ":next" already did it. */
10341 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10342 {
10343 /*
10344 * Load the file.
10345 */
10346 if (wp->w_buffer->b_ffname != NULL
10347 #ifdef FEAT_QUICKFIX
10348 && !bt_nofile(wp->w_buffer)
10349 #endif
10350 )
10351 {
10352 /*
10353 * Editing a file in this buffer: use ":edit file".
10354 * This may have side effects! (e.g., compressed or network file).
10355 */
10356 if (fputs("edit ", fd) < 0
10357 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10358 return FAIL;
10359 }
10360 else
10361 {
10362 /* No file in this buffer, just make it empty. */
10363 if (put_line(fd, "enew") == FAIL)
10364 return FAIL;
10365 #ifdef FEAT_QUICKFIX
10366 if (wp->w_buffer->b_ffname != NULL)
10367 {
10368 /* The buffer does have a name, but it's not a file name. */
10369 if (fputs("file ", fd) < 0
10370 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10371 return FAIL;
10372 }
10373 #endif
10374 do_cursor = FALSE;
10375 }
10376 }
10377
10378 /*
10379 * Local mappings and abbreviations.
10380 */
10381 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10382 && makemap(fd, wp->w_buffer) == FAIL)
10383 return FAIL;
10384
10385 /*
10386 * Local options. Need to go to the window temporarily.
10387 * Store only local values when using ":mkview" and when ":mksession" is
10388 * used and 'sessionoptions' doesn't include "options".
10389 * Some folding options are always stored when "folds" is included,
10390 * otherwise the folds would not be restored correctly.
10391 */
10392 save_curwin = curwin;
10393 curwin = wp;
10394 curbuf = curwin->w_buffer;
10395 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10396 f = makeset(fd, OPT_LOCAL,
10397 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10398 #ifdef FEAT_FOLDING
10399 else if (*flagp & SSOP_FOLDS)
10400 f = makefoldset(fd);
10401 #endif
10402 else
10403 f = OK;
10404 curwin = save_curwin;
10405 curbuf = curwin->w_buffer;
10406 if (f == FAIL)
10407 return FAIL;
10408
10409 #ifdef FEAT_FOLDING
10410 /*
10411 * Save Folds when 'buftype' is empty and for help files.
10412 */
10413 if ((*flagp & SSOP_FOLDS)
10414 && wp->w_buffer->b_ffname != NULL
10415 # ifdef FEAT_QUICKFIX
10416 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10417 # endif
10418 )
10419 {
10420 if (put_folds(fd, wp) == FAIL)
10421 return FAIL;
10422 }
10423 #endif
10424
10425 /*
10426 * Set the cursor after creating folds, since that moves the cursor.
10427 */
10428 if (do_cursor)
10429 {
10430
10431 /* Restore the cursor line in the file and relatively in the
10432 * window. Don't use "G", it changes the jumplist. */
10433 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10434 (long)wp->w_cursor.lnum,
10435 (long)(wp->w_cursor.lnum - wp->w_topline),
10436 (long)wp->w_height / 2, (long)wp->w_height) < 0
10437 || put_eol(fd) == FAIL
10438 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10439 || put_line(fd, "exe s:l") == FAIL
10440 || put_line(fd, "normal! zt") == FAIL
10441 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10442 || put_eol(fd) == FAIL)
10443 return FAIL;
10444 /* Restore the cursor column and left offset when not wrapping. */
10445 if (wp->w_cursor.col == 0)
10446 {
10447 if (put_line(fd, "normal! 0") == FAIL)
10448 return FAIL;
10449 }
10450 else
10451 {
10452 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10453 {
10454 if (fprintf(fd,
10455 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10456 (long)wp->w_cursor.col,
10457 (long)(wp->w_cursor.col - wp->w_leftcol),
10458 (long)wp->w_width / 2, (long)wp->w_width) < 0
10459 || put_eol(fd) == FAIL
10460 || put_line(fd, "if s:c > 0") == FAIL
10461 || fprintf(fd,
10462 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10463 (long)wp->w_cursor.col) < 0
10464 || put_eol(fd) == FAIL
10465 || put_line(fd, "else") == FAIL
10466 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10467 || put_eol(fd) == FAIL
10468 || put_line(fd, "endif") == FAIL)
10469 return FAIL;
10470 }
10471 else
10472 {
10473 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10474 || put_eol(fd) == FAIL)
10475 return FAIL;
10476 }
10477 }
10478 }
10479
10480 /*
10481 * Local directory.
10482 */
10483 if (wp->w_localdir != NULL)
10484 {
10485 if (fputs("lcd ", fd) < 0
10486 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10487 || put_eol(fd) == FAIL)
10488 return FAIL;
10489 did_lcd = TRUE;
10490 }
10491
10492 return OK;
10493 }
10494
10495 /*
10496 * Write an argument list to the session file.
10497 * Returns FAIL if writing fails.
10498 */
10499 static int
10500 ses_arglist(fd, cmd, gap, fullname, flagp)
10501 FILE *fd;
10502 char *cmd;
10503 garray_T *gap;
10504 int fullname; /* TRUE: use full path name */
10505 unsigned *flagp;
10506 {
10507 int i;
10508 char_u buf[MAXPATHL];
10509 char_u *s;
10510
10511 if (gap->ga_len == 0)
10512 return put_line(fd, "silent! argdel *");
10513 if (fputs(cmd, fd) < 0)
10514 return FAIL;
10515 for (i = 0; i < gap->ga_len; ++i)
10516 {
10517 /* NULL file names are skipped (only happens when out of memory). */
10518 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10519 if (s != NULL)
10520 {
10521 if (fullname)
10522 {
10523 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10524 s = buf;
10525 }
10526 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10527 return FAIL;
10528 }
10529 }
10530 return put_eol(fd);
10531 }
10532
10533 /*
10534 * Write a buffer name to the session file.
10535 * Also ends the line.
10536 * Returns FAIL if writing fails.
10537 */
10538 static int
10539 ses_fname(fd, buf, flagp)
10540 FILE *fd;
10541 buf_T *buf;
10542 unsigned *flagp;
10543 {
10544 char_u *name;
10545
10546 /* Use the short file name if the current directory is known at the time
10547 * the session file will be sourced.
10548 * Don't do this for ":mkview", we don't know the current directory.
10549 * Don't do this after ":lcd", we don't keep track of what the current
10550 * directory is. */
10551 if (buf->b_sfname != NULL
10552 && flagp == &ssop_flags
10553 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10554 && !did_lcd)
10555 name = buf->b_sfname;
10556 else
10557 name = buf->b_ffname;
10558 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10559 return FAIL;
10560 return OK;
10561 }
10562
10563 /*
10564 * Write a file name to the session file.
10565 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10566 * characters.
10567 * Returns FAIL if writing fails.
10568 */
10569 static int
10570 ses_put_fname(fd, name, flagp)
10571 FILE *fd;
10572 char_u *name;
10573 unsigned *flagp;
10574 {
10575 char_u *sname;
10576 int retval = OK;
10577 int c;
10578
10579 sname = home_replace_save(NULL, name);
10580 if (sname != NULL)
10581 name = sname;
10582 while (*name != NUL)
10583 {
10584 #ifdef FEAT_MBYTE
10585 {
10586 int l;
10587
10588 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10589 {
10590 /* copy a multibyte char */
10591 while (--l >= 0)
10592 {
10593 if (putc(*name, fd) != *name)
10594 retval = FAIL;
10595 ++name;
10596 }
10597 continue;
10598 }
10599 }
10600 #endif
10601 c = *name++;
10602 if (c == '\\' && (*flagp & SSOP_SLASH))
10603 /* change a backslash to a forward slash */
10604 c = '/';
10605 else if ((vim_strchr(escape_chars, c) != NULL
10606 #ifdef BACKSLASH_IN_FILENAME
10607 && c != '\\'
10608 #endif
10609 ) || c == '#' || c == '%')
10610 {
10611 /* escape a special character with a backslash */
10612 if (putc('\\', fd) != '\\')
10613 retval = FAIL;
10614 }
10615 if (putc(c, fd) != c)
10616 retval = FAIL;
10617 }
10618 vim_free(sname);
10619 return retval;
10620 }
10621
10622 /*
10623 * ":loadview [nr]"
10624 */
10625 static void
10626 ex_loadview(eap)
10627 exarg_T *eap;
10628 {
10629 char_u *fname;
10630
10631 fname = get_view_file(*eap->arg);
10632 if (fname != NULL)
10633 {
10634 do_source(fname, FALSE, DOSO_NONE);
10635 vim_free(fname);
10636 }
10637 }
10638
10639 /*
10640 * Get the name of the view file for the current buffer.
10641 */
10642 static char_u *
10643 get_view_file(c)
10644 int c;
10645 {
10646 int len = 0;
10647 char_u *p, *s;
10648 char_u *retval;
10649 char_u *sname;
10650
10651 if (curbuf->b_ffname == NULL)
10652 {
10653 EMSG(_(e_noname));
10654 return NULL;
10655 }
10656 sname = home_replace_save(NULL, curbuf->b_ffname);
10657 if (sname == NULL)
10658 return NULL;
10659
10660 /*
10661 * We want a file name without separators, because we're not going to make
10662 * a directory.
10663 * "normal" path separator -> "=+"
10664 * "=" -> "=="
10665 * ":" path separator -> "=-"
10666 */
10667 for (p = sname; *p; ++p)
10668 if (*p == '=' || vim_ispathsep(*p))
10669 ++len;
10670 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10671 if (retval != NULL)
10672 {
10673 STRCPY(retval, p_vdir);
10674 add_pathsep(retval);
10675 s = retval + STRLEN(retval);
10676 for (p = sname; *p; ++p)
10677 {
10678 if (*p == '=')
10679 {
10680 *s++ = '=';
10681 *s++ = '=';
10682 }
10683 else if (vim_ispathsep(*p))
10684 {
10685 *s++ = '=';
10686 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10687 || defined(VMS)
10688 if (*p == ':')
10689 *s++ = '-';
10690 else
10691 #endif
10692 *s++ = '+';
10693 }
10694 else
10695 *s++ = *p;
10696 }
10697 *s++ = '=';
10698 *s++ = c;
10699 STRCPY(s, ".vim");
10700 }
10701
10702 vim_free(sname);
10703 return retval;
10704 }
10705
10706 #endif /* FEAT_SESSION */
10707
10708 /*
10709 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10710 * Return FAIL for a write error.
10711 */
10712 int
10713 put_eol(fd)
10714 FILE *fd;
10715 {
10716 if (
10717 #ifdef USE_CRNL
10718 (
10719 # ifdef MKSESSION_NL
10720 !mksession_nl &&
10721 # endif
10722 (putc('\r', fd) < 0)) ||
10723 #endif
10724 (putc('\n', fd) < 0))
10725 return FAIL;
10726 return OK;
10727 }
10728
10729 /*
10730 * Write a line to "fd".
10731 * Return FAIL for a write error.
10732 */
10733 int
10734 put_line(fd, s)
10735 FILE *fd;
10736 char *s;
10737 {
10738 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10739 return FAIL;
10740 return OK;
10741 }
10742
10743 #ifdef FEAT_VIMINFO
10744 /*
10745 * ":rviminfo" and ":wviminfo".
10746 */
10747 static void
10748 ex_viminfo(eap)
10749 exarg_T *eap;
10750 {
10751 char_u *save_viminfo;
10752
10753 save_viminfo = p_viminfo;
10754 if (*p_viminfo == NUL)
10755 p_viminfo = (char_u *)"'100";
10756 if (eap->cmdidx == CMD_rviminfo)
10757 {
10758 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10759 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10760 EMSG(_("E195: Cannot open viminfo file for reading"));
10761 }
10762 else
10763 write_viminfo(eap->arg, eap->forceit);
10764 p_viminfo = save_viminfo;
10765 }
10766 #endif
10767
10768 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10769 /*
10770 * Make a dialog message in "buff[IOSIZE]".
10771 * "format" must contain "%s".
10772 */
10773 void
10774 dialog_msg(buff, format, fname)
10775 char_u *buff;
10776 char *format;
10777 char_u *fname;
10778 {
10779 if (fname == NULL)
10780 fname = (char_u *)_("Untitled");
10781 vim_snprintf((char *)buff, IOSIZE, format, fname);
10782 }
10783 #endif
10784
10785 /*
10786 * ":behave {mswin,xterm}"
10787 */
10788 static void
10789 ex_behave(eap)
10790 exarg_T *eap;
10791 {
10792 if (STRCMP(eap->arg, "mswin") == 0)
10793 {
10794 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10795 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10796 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10797 set_option_value((char_u *)"keymodel", 0L,
10798 (char_u *)"startsel,stopsel", 0);
10799 }
10800 else if (STRCMP(eap->arg, "xterm") == 0)
10801 {
10802 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10803 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10804 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10805 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10806 }
10807 else
10808 EMSG2(_(e_invarg2), eap->arg);
10809 }
10810
10811 #ifdef FEAT_AUTOCMD
10812 static int filetype_detect = FALSE;
10813 static int filetype_plugin = FALSE;
10814 static int filetype_indent = FALSE;
10815
10816 /*
10817 * ":filetype [plugin] [indent] {on,off,detect}"
10818 * on: Load the filetype.vim file to install autocommands for file types.
10819 * off: Load the ftoff.vim file to remove all autocommands for file types.
10820 * plugin on: load filetype.vim and ftplugin.vim
10821 * plugin off: load ftplugof.vim
10822 * indent on: load filetype.vim and indent.vim
10823 * indent off: load indoff.vim
10824 */
10825 static void
10826 ex_filetype(eap)
10827 exarg_T *eap;
10828 {
10829 char_u *arg = eap->arg;
10830 int plugin = FALSE;
10831 int indent = FALSE;
10832
10833 if (*eap->arg == NUL)
10834 {
10835 /* Print current status. */
10836 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10837 filetype_detect ? "ON" : "OFF",
10838 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10839 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10840 return;
10841 }
10842
10843 /* Accept "plugin" and "indent" in any order. */
10844 for (;;)
10845 {
10846 if (STRNCMP(arg, "plugin", 6) == 0)
10847 {
10848 plugin = TRUE;
10849 arg = skipwhite(arg + 6);
10850 continue;
10851 }
10852 if (STRNCMP(arg, "indent", 6) == 0)
10853 {
10854 indent = TRUE;
10855 arg = skipwhite(arg + 6);
10856 continue;
10857 }
10858 break;
10859 }
10860 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10861 {
10862 if (*arg == 'o' || !filetype_detect)
10863 {
10864 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10865 filetype_detect = TRUE;
10866 if (plugin)
10867 {
10868 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10869 filetype_plugin = TRUE;
10870 }
10871 if (indent)
10872 {
10873 source_runtime((char_u *)INDENT_FILE, TRUE);
10874 filetype_indent = TRUE;
10875 }
10876 }
10877 if (*arg == 'd')
10878 {
10879 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10880 do_modelines(0);
10881 }
10882 }
10883 else if (STRCMP(arg, "off") == 0)
10884 {
10885 if (plugin || indent)
10886 {
10887 if (plugin)
10888 {
10889 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10890 filetype_plugin = FALSE;
10891 }
10892 if (indent)
10893 {
10894 source_runtime((char_u *)INDOFF_FILE, TRUE);
10895 filetype_indent = FALSE;
10896 }
10897 }
10898 else
10899 {
10900 source_runtime((char_u *)FTOFF_FILE, TRUE);
10901 filetype_detect = FALSE;
10902 }
10903 }
10904 else
10905 EMSG2(_(e_invarg2), arg);
10906 }
10907
10908 /*
10909 * ":setfiletype {name}"
10910 */
10911 static void
10912 ex_setfiletype(eap)
10913 exarg_T *eap;
10914 {
10915 if (!did_filetype)
10916 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10917 }
10918 #endif
10919
10920 /*ARGSUSED*/
10921 static void
10922 ex_digraphs(eap)
10923 exarg_T *eap;
10924 {
10925 #ifdef FEAT_DIGRAPHS
10926 if (*eap->arg != NUL)
10927 putdigraph(eap->arg);
10928 else
10929 listdigraphs();
10930 #else
10931 EMSG(_("E196: No digraphs in this version"));
10932 #endif
10933 }
10934
10935 static void
10936 ex_set(eap)
10937 exarg_T *eap;
10938 {
10939 int flags = 0;
10940
10941 if (eap->cmdidx == CMD_setlocal)
10942 flags = OPT_LOCAL;
10943 else if (eap->cmdidx == CMD_setglobal)
10944 flags = OPT_GLOBAL;
10945 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10946 if (cmdmod.browse && flags == 0)
10947 ex_options(eap);
10948 else
10949 #endif
10950 (void)do_set(eap->arg, flags);
10951 }
10952
10953 #ifdef FEAT_SEARCH_EXTRA
10954 /*
10955 * ":nohlsearch"
10956 */
10957 /*ARGSUSED*/
10958 static void
10959 ex_nohlsearch(eap)
10960 exarg_T *eap;
10961 {
10962 no_hlsearch = TRUE;
10963 redraw_all_later(SOME_VALID);
10964 }
10965
10966 /*
10967 * ":[N]match {group} {pattern}"
10968 * Sets nextcmd to the start of the next command, if any. Also called when
10969 * skipping commands to find the next command.
10970 */
10971 static void
10972 ex_match(eap)
10973 exarg_T *eap;
10974 {
10975 char_u *p;
10976 char_u *g = NULL;
10977 char_u *end;
10978 int c;
10979 int id;
10980
10981 if (eap->line2 <= 3)
10982 id = eap->line2;
10983 else
10984 {
10985 EMSG(e_invcmd);
10986 return;
10987 }
10988
10989 /* First clear any old pattern. */
10990 if (!eap->skip)
10991 match_delete(curwin, id, FALSE);
10992
10993 if (ends_excmd(*eap->arg))
10994 end = eap->arg;
10995 else if ((STRNICMP(eap->arg, "none", 4) == 0
10996 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10997 end = eap->arg + 4;
10998 else
10999 {
11000 p = skiptowhite(eap->arg);
11001 if (!eap->skip)
11002 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11003 p = skipwhite(p);
11004 if (*p == NUL)
11005 {
11006 /* There must be two arguments. */
11007 EMSG2(_(e_invarg2), eap->arg);
11008 return;
11009 }
11010 end = skip_regexp(p + 1, *p, TRUE, NULL);
11011 if (!eap->skip)
11012 {
11013 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11014 {
11015 eap->errmsg = e_trailing;
11016 return;
11017 }
11018 if (*end != *p)
11019 {
11020 EMSG2(_(e_invarg2), p);
11021 return;
11022 }
11023
11024 c = *end;
11025 *end = NUL;
11026 match_add(curwin, g, p + 1, 10, id);
11027 vim_free(g);
11028 *end = c;
11029 }
11030 }
11031 eap->nextcmd = find_nextcmd(end);
11032 }
11033 #endif
11034
11035 #ifdef FEAT_CRYPT
11036 /*
11037 * ":X": Get crypt key
11038 */
11039 /*ARGSUSED*/
11040 static void
11041 ex_X(eap)
11042 exarg_T *eap;
11043 {
11044 (void)get_crypt_key(TRUE, TRUE);
11045 }
11046 #endif
11047
11048 #ifdef FEAT_FOLDING
11049 static void
11050 ex_fold(eap)
11051 exarg_T *eap;
11052 {
11053 if (foldManualAllowed(TRUE))
11054 foldCreate(eap->line1, eap->line2);
11055 }
11056
11057 static void
11058 ex_foldopen(eap)
11059 exarg_T *eap;
11060 {
11061 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11062 eap->forceit, FALSE);
11063 }
11064
11065 static void
11066 ex_folddo(eap)
11067 exarg_T *eap;
11068 {
11069 linenr_T lnum;
11070
11071 /* First set the marks for all lines closed/open. */
11072 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11073 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11074 ml_setmarked(lnum);
11075
11076 /* Execute the command on the marked lines. */
11077 global_exe(eap->arg);
11078 ml_clearmarked(); /* clear rest of the marks */
11079 }
11080 #endif
Vim for the Mac