?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge branch 'vim'
[MacVim.git] / src / ex_docmd.c
blobf77ee966474e1827445ecb30213d14a5408edb99
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 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2711 * somewhere in the line. Put it back in the first column. */
2712 if (redirecting())
2713 msg_col = 0;
2714 }
2715
2716 #ifdef HAVE_SANDBOX
2717 if (did_sandbox)
2718 --sandbox;
2719 #endif
2720
2721 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2722 ea.nextcmd = NULL;
2723
2724 #ifdef FEAT_EVAL
2725 --ex_nesting_level;
2726 #endif
2727
2728 return ea.nextcmd;
2729 }
2730 #if (_MSC_VER == 1200)
2731 #pragma optimize( "", on )
2732 #endif
2733
2734 /*
2735 * Check for an Ex command with optional tail.
2736 * If there is a match advance "pp" to the argument and return TRUE.
2737 */
2738 int
2739 checkforcmd(pp, cmd, len)
2740 char_u **pp; /* start of command */
2741 char *cmd; /* name of command */
2742 int len; /* required length */
2743 {
2744 int i;
2745
2746 for (i = 0; cmd[i] != NUL; ++i)
2747 if (cmd[i] != (*pp)[i])
2748 break;
2749 if (i >= len && !isalpha((*pp)[i]))
2750 {
2751 *pp = skipwhite(*pp + i);
2752 return TRUE;
2753 }
2754 return FALSE;
2755 }
2756
2757 /*
2758 * Find an Ex command by its name, either built-in or user.
2759 * Start of the name can be found at eap->cmd.
2760 * Returns pointer to char after the command name.
2761 * "full" is set to TRUE if the whole command name matched.
2762 * Returns NULL for an ambiguous user command.
2763 */
2764 /*ARGSUSED*/
2765 static char_u *
2766 find_command(eap, full)
2767 exarg_T *eap;
2768 int *full;
2769 {
2770 int len;
2771 char_u *p;
2772 int i;
2773
2774 /*
2775 * Isolate the command and search for it in the command table.
2776 * Exceptions:
2777 * - the 'k' command can directly be followed by any character.
2778 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2779 * but :sre[wind] is another command, as are :scrip[tnames],
2780 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2781 * - the "d" command can directly be followed by 'l' or 'p' flag.
2782 */
2783 p = eap->cmd;
2784 if (*p == 'k')
2785 {
2786 eap->cmdidx = CMD_k;
2787 ++p;
2788 }
2789 else if (p[0] == 's'
2790 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2791 && p[3] != 'i' && p[4] != 'p')
2792 || p[1] == 'g'
2793 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2794 || p[1] == 'I'
2795 || (p[1] == 'r' && p[2] != 'e')))
2796 {
2797 eap->cmdidx = CMD_substitute;
2798 ++p;
2799 }
2800 else
2801 {
2802 while (ASCII_ISALPHA(*p))
2803 ++p;
2804 /* check for non-alpha command */
2805 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2806 ++p;
2807 len = (int)(p - eap->cmd);
2808 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2809 {
2810 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2811 * :delete with the 'l' flag. Same for 'p'. */
2812 for (i = 0; i < len; ++i)
2813 if (eap->cmd[i] != "delete"[i])
2814 break;
2815 if (i == len - 1)
2816 {
2817 --len;
2818 if (p[-1] == 'l')
2819 eap->flags |= EXFLAG_LIST;
2820 else
2821 eap->flags |= EXFLAG_PRINT;
2822 }
2823 }
2824
2825 if (ASCII_ISLOWER(*eap->cmd))
2826 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2827 else
2828 eap->cmdidx = cmdidxs[26];
2829
2830 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2831 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2832 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2833 (size_t)len) == 0)
2834 {
2835 #ifdef FEAT_EVAL
2836 if (full != NULL
2837 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2838 *full = TRUE;
2839 #endif
2840 break;
2841 }
2842
2843 #ifdef FEAT_USR_CMDS
2844 /* Look for a user defined command as a last resort */
2845 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2846 {
2847 /* User defined commands may contain digits. */
2848 while (ASCII_ISALNUM(*p))
2849 ++p;
2850 p = find_ucmd(eap, p, full, NULL, NULL);
2851 }
2852 #endif
2853 if (p == eap->cmd)
2854 eap->cmdidx = CMD_SIZE;
2855 }
2856
2857 return p;
2858 }
2859
2860 #ifdef FEAT_USR_CMDS
2861 /*
2862 * Search for a user command that matches "eap->cmd".
2863 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2864 * Return a pointer to just after the command.
2865 * Return NULL if there is no matching command.
2866 */
2867 static char_u *
2868 find_ucmd(eap, p, full, xp, compl)
2869 exarg_T *eap;
2870 char_u *p; /* end of the command (possibly including count) */
2871 int *full; /* set to TRUE for a full match */
2872 expand_T *xp; /* used for completion, NULL otherwise */
2873 int *compl; /* completion flags or NULL */
2874 {
2875 int len = (int)(p - eap->cmd);
2876 int j, k, matchlen = 0;
2877 ucmd_T *uc;
2878 int found = FALSE;
2879 int possible = FALSE;
2880 char_u *cp, *np; /* Point into typed cmd and test name */
2881 garray_T *gap;
2882 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2883 only full match global is accepted. */
2884
2885 /*
2886 * Look for buffer-local user commands first, then global ones.
2887 */
2888 gap = &curbuf->b_ucmds;
2889 for (;;)
2890 {
2891 for (j = 0; j < gap->ga_len; ++j)
2892 {
2893 uc = USER_CMD_GA(gap, j);
2894 cp = eap->cmd;
2895 np = uc->uc_name;
2896 k = 0;
2897 while (k < len && *np != NUL && *cp++ == *np++)
2898 k++;
2899 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2900 {
2901 /* If finding a second match, the command is ambiguous. But
2902 * not if a buffer-local command wasn't a full match and a
2903 * global command is a full match. */
2904 if (k == len && found && *np != NUL)
2905 {
2906 if (gap == &ucmds)
2907 return NULL;
2908 amb_local = TRUE;
2909 }
2910
2911 if (!found || (k == len && *np == NUL))
2912 {
2913 /* If we matched up to a digit, then there could
2914 * be another command including the digit that we
2915 * should use instead.
2916 */
2917 if (k == len)
2918 found = TRUE;
2919 else
2920 possible = TRUE;
2921
2922 if (gap == &ucmds)
2923 eap->cmdidx = CMD_USER;
2924 else
2925 eap->cmdidx = CMD_USER_BUF;
2926 eap->argt = (long)uc->uc_argt;
2927 eap->useridx = j;
2928
2929 # ifdef FEAT_CMDL_COMPL
2930 if (compl != NULL)
2931 *compl = uc->uc_compl;
2932 # ifdef FEAT_EVAL
2933 if (xp != NULL)
2934 {
2935 xp->xp_arg = uc->uc_compl_arg;
2936 xp->xp_scriptID = uc->uc_scriptID;
2937 }
2938 # endif
2939 # endif
2940 /* Do not search for further abbreviations
2941 * if this is an exact match. */
2942 matchlen = k;
2943 if (k == len && *np == NUL)
2944 {
2945 if (full != NULL)
2946 *full = TRUE;
2947 amb_local = FALSE;
2948 break;
2949 }
2950 }
2951 }
2952 }
2953
2954 /* Stop if we found a full match or searched all. */
2955 if (j < gap->ga_len || gap == &ucmds)
2956 break;
2957 gap = &ucmds;
2958 }
2959
2960 /* Only found ambiguous matches. */
2961 if (amb_local)
2962 {
2963 if (xp != NULL)
2964 xp->xp_context = EXPAND_UNSUCCESSFUL;
2965 return NULL;
2966 }
2967
2968 /* The match we found may be followed immediately by a number. Move "p"
2969 * back to point to it. */
2970 if (found || possible)
2971 return p + (matchlen - len);
2972 return p;
2973 }
2974 #endif
2975
2976 #if defined(FEAT_EVAL) || defined(PROTO)
2977 static struct cmdmod
2978 {
2979 char *name;
2980 int minlen;
2981 int has_count; /* :123verbose :3tab */
2982 } cmdmods[] = {
2983 {"aboveleft", 3, FALSE},
2984 {"belowright", 3, FALSE},
2985 {"botright", 2, FALSE},
2986 {"browse", 3, FALSE},
2987 {"confirm", 4, FALSE},
2988 {"hide", 3, FALSE},
2989 {"keepalt", 5, FALSE},
2990 {"keepjumps", 5, FALSE},
2991 {"keepmarks", 3, FALSE},
2992 {"leftabove", 5, FALSE},
2993 {"lockmarks", 3, FALSE},
2994 {"noautocmd", 3, FALSE},
2995 {"rightbelow", 6, FALSE},
2996 {"sandbox", 3, FALSE},
2997 {"silent", 3, FALSE},
2998 {"tab", 3, TRUE},
2999 {"topleft", 2, FALSE},
3000 {"verbose", 4, TRUE},
3001 {"vertical", 4, FALSE},
3002 };
3003
3004 /*
3005 * Return length of a command modifier (including optional count).
3006 * Return zero when it's not a modifier.
3007 */
3008 int
3009 modifier_len(cmd)
3010 char_u *cmd;
3011 {
3012 int i, j;
3013 char_u *p = cmd;
3014
3015 if (VIM_ISDIGIT(*cmd))
3016 p = skipwhite(skipdigits(cmd));
3017 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3018 {
3019 for (j = 0; p[j] != NUL; ++j)
3020 if (p[j] != cmdmods[i].name[j])
3021 break;
3022 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3023 && (p == cmd || cmdmods[i].has_count))
3024 return j + (int)(p - cmd);
3025 }
3026 return 0;
3027 }
3028
3029 /*
3030 * Return > 0 if an Ex command "name" exists.
3031 * Return 2 if there is an exact match.
3032 * Return 3 if there is an ambiguous match.
3033 */
3034 int
3035 cmd_exists(name)
3036 char_u *name;
3037 {
3038 exarg_T ea;
3039 int full = FALSE;
3040 int i;
3041 int j;
3042 char_u *p;
3043
3044 /* Check command modifiers. */
3045 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3046 {
3047 for (j = 0; name[j] != NUL; ++j)
3048 if (name[j] != cmdmods[i].name[j])
3049 break;
3050 if (name[j] == NUL && j >= cmdmods[i].minlen)
3051 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3052 }
3053
3054 /* Check built-in commands and user defined commands.
3055 * For ":2match" and ":3match" we need to skip the number. */
3056 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3057 ea.cmdidx = (cmdidx_T)0;
3058 p = find_command(&ea, &full);
3059 if (p == NULL)
3060 return 3;
3061 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3062 return 0;
3063 if (*skipwhite(p) != NUL)
3064 return 0; /* trailing garbage */
3065 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3066 }
3067 #endif
3068
3069 /*
3070 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3071 * we don't need/want deleted. Maybe this could be done better if we didn't
3072 * repeat all this stuff. The only problem is that they may not stay
3073 * perfectly compatible with each other, but then the command line syntax
3074 * probably won't change that much -- webb.
3075 */
3076 char_u *
3077 set_one_cmd_context(xp, buff)
3078 expand_T *xp;
3079 char_u *buff; /* buffer for command string */
3080 {
3081 char_u *p;
3082 char_u *cmd, *arg;
3083 int len = 0;
3084 exarg_T ea;
3085 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3086 int compl = EXPAND_NOTHING;
3087 #endif
3088 #ifdef FEAT_CMDL_COMPL
3089 int delim;
3090 #endif
3091 int forceit = FALSE;
3092 int usefilter = FALSE; /* filter instead of file name */
3093
3094 ExpandInit(xp);
3095 xp->xp_pattern = buff;
3096 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3097 ea.argt = 0;
3098
3099 /*
3100 * 2. skip comment lines and leading space, colons or bars
3101 */
3102 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3103 ;
3104 xp->xp_pattern = cmd;
3105
3106 if (*cmd == NUL)
3107 return NULL;
3108 if (*cmd == '"') /* ignore comment lines */
3109 {
3110 xp->xp_context = EXPAND_NOTHING;
3111 return NULL;
3112 }
3113
3114 /*
3115 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3116 */
3117 cmd = skip_range(cmd, &xp->xp_context);
3118
3119 /*
3120 * 4. parse command
3121 */
3122 xp->xp_pattern = cmd;
3123 if (*cmd == NUL)
3124 return NULL;
3125 if (*cmd == '"')
3126 {
3127 xp->xp_context = EXPAND_NOTHING;
3128 return NULL;
3129 }
3130
3131 if (*cmd == '|' || *cmd == '\n')
3132 return cmd + 1; /* There's another command */
3133
3134 /*
3135 * Isolate the command and search for it in the command table.
3136 * Exceptions:
3137 * - the 'k' command can directly be followed by any character, but
3138 * do accept "keepmarks", "keepalt" and "keepjumps".
3139 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3140 */
3141 if (*cmd == 'k' && cmd[1] != 'e')
3142 {
3143 ea.cmdidx = CMD_k;
3144 p = cmd + 1;
3145 }
3146 else
3147 {
3148 p = cmd;
3149 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3150 ++p;
3151 /* check for non-alpha command */
3152 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3153 ++p;
3154 len = (int)(p - cmd);
3155
3156 if (len == 0)
3157 {
3158 xp->xp_context = EXPAND_UNSUCCESSFUL;
3159 return NULL;
3160 }
3161 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3162 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3163 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3164 break;
3165
3166 #ifdef FEAT_USR_CMDS
3167 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3168 {
3169 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3170 ++p;
3171 len = (int)(p - cmd);
3172 }
3173 #endif
3174 }
3175
3176 /*
3177 * If the cursor is touching the command, and it ends in an alpha-numeric
3178 * character, complete the command name.
3179 */
3180 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3181 return NULL;
3182
3183 if (ea.cmdidx == CMD_SIZE)
3184 {
3185 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3186 {
3187 ea.cmdidx = CMD_substitute;
3188 p = cmd + 1;
3189 }
3190 #ifdef FEAT_USR_CMDS
3191 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3192 {
3193 ea.cmd = cmd;
3194 p = find_ucmd(&ea, p, NULL, xp,
3195 # if defined(FEAT_CMDL_COMPL)
3196 &compl
3197 # else
3198 NULL
3199 # endif
3200 );
3201 if (p == NULL)
3202 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3203 }
3204 #endif
3205 }
3206 if (ea.cmdidx == CMD_SIZE)
3207 {
3208 /* Not still touching the command and it was an illegal one */
3209 xp->xp_context = EXPAND_UNSUCCESSFUL;
3210 return NULL;
3211 }
3212
3213 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3214
3215 if (*p == '!') /* forced commands */
3216 {
3217 forceit = TRUE;
3218 ++p;
3219 }
3220
3221 /*
3222 * 5. parse arguments
3223 */
3224 #ifdef FEAT_USR_CMDS
3225 if (!USER_CMDIDX(ea.cmdidx))
3226 #endif
3227 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3228
3229 arg = skipwhite(p);
3230
3231 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3232 {
3233 if (*arg == '>') /* append */
3234 {
3235 if (*++arg == '>')
3236 ++arg;
3237 arg = skipwhite(arg);
3238 }
3239 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3240 {
3241 ++arg;
3242 usefilter = TRUE;
3243 }
3244 }
3245
3246 if (ea.cmdidx == CMD_read)
3247 {
3248 usefilter = forceit; /* :r! filter if forced */
3249 if (*arg == '!') /* :r !filter */
3250 {
3251 ++arg;
3252 usefilter = TRUE;
3253 }
3254 }
3255
3256 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3257 {
3258 while (*arg == *cmd) /* allow any number of '>' or '<' */
3259 ++arg;
3260 arg = skipwhite(arg);
3261 }
3262
3263 /* Does command allow "+command"? */
3264 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3265 {
3266 /* Check if we're in the +command */
3267 p = arg + 1;
3268 arg = skip_cmd_arg(arg, FALSE);
3269
3270 /* Still touching the command after '+'? */
3271 if (*arg == NUL)
3272 return p;
3273
3274 /* Skip space(s) after +command to get to the real argument */
3275 arg = skipwhite(arg);
3276 }
3277
3278 /*
3279 * Check for '|' to separate commands and '"' to start comments.
3280 * Don't do this for ":read !cmd" and ":write !cmd".
3281 */
3282 if ((ea.argt & TRLBAR) && !usefilter)
3283 {
3284 p = arg;
3285 /* ":redir @" is not the start of a comment */
3286 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3287 p += 2;
3288 while (*p)
3289 {
3290 if (*p == Ctrl_V)
3291 {
3292 if (p[1] != NUL)
3293 ++p;
3294 }
3295 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3296 || *p == '|' || *p == '\n')
3297 {
3298 if (*(p - 1) != '\\')
3299 {
3300 if (*p == '|' || *p == '\n')
3301 return p + 1;
3302 return NULL; /* It's a comment */
3303 }
3304 }
3305 mb_ptr_adv(p);
3306 }
3307 }
3308
3309 /* no arguments allowed */
3310 if (!(ea.argt & EXTRA) && *arg != NUL &&
3311 vim_strchr((char_u *)"|\"", *arg) == NULL)
3312 return NULL;
3313
3314 /* Find start of last argument (argument just before cursor): */
3315 p = buff + STRLEN(buff);
3316 while (p != arg && *p != ' ' && *p != TAB)
3317 p--;
3318 if (*p == ' ' || *p == TAB)
3319 p++;
3320 xp->xp_pattern = p;
3321
3322 if (ea.argt & XFILE)
3323 {
3324 int c;
3325 int in_quote = FALSE;
3326 char_u *bow = NULL; /* Beginning of word */
3327
3328 /*
3329 * Allow spaces within back-quotes to count as part of the argument
3330 * being expanded.
3331 */
3332 xp->xp_pattern = skipwhite(arg);
3333 p = xp->xp_pattern;
3334 while (*p != NUL)
3335 {
3336 #ifdef FEAT_MBYTE
3337 if (has_mbyte)
3338 c = mb_ptr2char(p);
3339 else
3340 #endif
3341 c = *p;
3342 if (c == '\\' && p[1] != NUL)
3343 ++p;
3344 else if (c == '`')
3345 {
3346 if (!in_quote)
3347 {
3348 xp->xp_pattern = p;
3349 bow = p + 1;
3350 }
3351 in_quote = !in_quote;
3352 }
3353 /* An argument can contain just about everything, except
3354 * characters that end the command and white space. */
3355 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3356 #ifdef SPACE_IN_FILENAME
3357 && (!(ea.argt & NOSPC) || usefilter)
3358 #endif
3359 ))
3360 {
3361 len = 0; /* avoid getting stuck when space is in 'isfname' */
3362 while (*p != NUL)
3363 {
3364 #ifdef FEAT_MBYTE
3365 if (has_mbyte)
3366 c = mb_ptr2char(p);
3367 else
3368 #endif
3369 c = *p;
3370 if (c == '`' || vim_isfilec_or_wc(c))
3371 break;
3372 #ifdef FEAT_MBYTE
3373 if (has_mbyte)
3374 len = (*mb_ptr2len)(p);
3375 else
3376 #endif
3377 len = 1;
3378 mb_ptr_adv(p);
3379 }
3380 if (in_quote)
3381 bow = p;
3382 else
3383 xp->xp_pattern = p;
3384 p -= len;
3385 }
3386 mb_ptr_adv(p);
3387 }
3388
3389 /*
3390 * If we are still inside the quotes, and we passed a space, just
3391 * expand from there.
3392 */
3393 if (bow != NULL && in_quote)
3394 xp->xp_pattern = bow;
3395 xp->xp_context = EXPAND_FILES;
3396
3397 #ifndef BACKSLASH_IN_FILENAME
3398 /* For a shell command more chars need to be escaped. */
3399 if (usefilter || ea.cmdidx == CMD_bang)
3400 {
3401 xp->xp_shell = TRUE;
3402
3403 /* When still after the command name expand executables. */
3404 if (xp->xp_pattern == skipwhite(arg))
3405 xp->xp_context = EXPAND_SHELLCMD;
3406 }
3407 #endif
3408
3409 /* Check for environment variable */
3410 if (*xp->xp_pattern == '$'
3411 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3412 || *xp->xp_pattern == '%'
3413 #endif
3414 )
3415 {
3416 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3417 if (!vim_isIDc(*p))
3418 break;
3419 if (*p == NUL)
3420 {
3421 xp->xp_context = EXPAND_ENV_VARS;
3422 ++xp->xp_pattern;
3423 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3424 /* Avoid that the assignment uses EXPAND_FILES again. */
3425 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3426 compl = EXPAND_ENV_VARS;
3427 #endif
3428 }
3429 }
3430 }
3431
3432 /*
3433 * 6. switch on command name
3434 */
3435 switch (ea.cmdidx)
3436 {
3437 case CMD_cd:
3438 case CMD_chdir:
3439 case CMD_lcd:
3440 case CMD_lchdir:
3441 if (xp->xp_context == EXPAND_FILES)
3442 xp->xp_context = EXPAND_DIRECTORIES;
3443 break;
3444 case CMD_help:
3445 xp->xp_context = EXPAND_HELP;
3446 xp->xp_pattern = arg;
3447 break;
3448
3449 /* Command modifiers: return the argument.
3450 * Also for commands with an argument that is a command. */
3451 case CMD_aboveleft:
3452 case CMD_argdo:
3453 case CMD_belowright:
3454 case CMD_botright:
3455 case CMD_browse:
3456 case CMD_bufdo:
3457 case CMD_confirm:
3458 case CMD_debug:
3459 case CMD_folddoclosed:
3460 case CMD_folddoopen:
3461 case CMD_hide:
3462 case CMD_keepalt:
3463 case CMD_keepjumps:
3464 case CMD_keepmarks:
3465 case CMD_leftabove:
3466 case CMD_lockmarks:
3467 case CMD_rightbelow:
3468 case CMD_sandbox:
3469 case CMD_silent:
3470 case CMD_tab:
3471 case CMD_topleft:
3472 case CMD_verbose:
3473 case CMD_vertical:
3474 case CMD_windo:
3475 return arg;
3476
3477 #ifdef FEAT_CMDL_COMPL
3478 # ifdef FEAT_SEARCH_EXTRA
3479 case CMD_match:
3480 if (*arg == NUL || !ends_excmd(*arg))
3481 {
3482 /* also complete "None" */
3483 set_context_in_echohl_cmd(xp, arg);
3484 arg = skipwhite(skiptowhite(arg));
3485 if (*arg != NUL)
3486 {
3487 xp->xp_context = EXPAND_NOTHING;
3488 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3489 }
3490 }
3491 return find_nextcmd(arg);
3492 # endif
3493
3494 /*
3495 * All completion for the +cmdline_compl feature goes here.
3496 */
3497
3498 # ifdef FEAT_USR_CMDS
3499 case CMD_command:
3500 /* Check for attributes */
3501 while (*arg == '-')
3502 {
3503 arg++; /* Skip "-" */
3504 p = skiptowhite(arg);
3505 if (*p == NUL)
3506 {
3507 /* Cursor is still in the attribute */
3508 p = vim_strchr(arg, '=');
3509 if (p == NULL)
3510 {
3511 /* No "=", so complete attribute names */
3512 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3513 xp->xp_pattern = arg;
3514 return NULL;
3515 }
3516
3517 /* For the -complete and -nargs attributes, we complete
3518 * their arguments as well.
3519 */
3520 if (STRNICMP(arg, "complete", p - arg) == 0)
3521 {
3522 xp->xp_context = EXPAND_USER_COMPLETE;
3523 xp->xp_pattern = p + 1;
3524 return NULL;
3525 }
3526 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3527 {
3528 xp->xp_context = EXPAND_USER_NARGS;
3529 xp->xp_pattern = p + 1;
3530 return NULL;
3531 }
3532 return NULL;
3533 }
3534 arg = skipwhite(p);
3535 }
3536
3537 /* After the attributes comes the new command name */
3538 p = skiptowhite(arg);
3539 if (*p == NUL)
3540 {
3541 xp->xp_context = EXPAND_USER_COMMANDS;
3542 xp->xp_pattern = arg;
3543 break;
3544 }
3545
3546 /* And finally comes a normal command */
3547 return skipwhite(p);
3548
3549 case CMD_delcommand:
3550 xp->xp_context = EXPAND_USER_COMMANDS;
3551 xp->xp_pattern = arg;
3552 break;
3553 # endif
3554
3555 case CMD_global:
3556 case CMD_vglobal:
3557 delim = *arg; /* get the delimiter */
3558 if (delim)
3559 ++arg; /* skip delimiter if there is one */
3560
3561 while (arg[0] != NUL && arg[0] != delim)
3562 {
3563 if (arg[0] == '\\' && arg[1] != NUL)
3564 ++arg;
3565 ++arg;
3566 }
3567 if (arg[0] != NUL)
3568 return arg + 1;
3569 break;
3570 case CMD_and:
3571 case CMD_substitute:
3572 delim = *arg;
3573 if (delim)
3574 {
3575 /* skip "from" part */
3576 ++arg;
3577 arg = skip_regexp(arg, delim, p_magic, NULL);
3578 }
3579 /* skip "to" part */
3580 while (arg[0] != NUL && arg[0] != delim)
3581 {
3582 if (arg[0] == '\\' && arg[1] != NUL)
3583 ++arg;
3584 ++arg;
3585 }
3586 if (arg[0] != NUL) /* skip delimiter */
3587 ++arg;
3588 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3589 ++arg;
3590 if (arg[0] != NUL)
3591 return arg;
3592 break;
3593 case CMD_isearch:
3594 case CMD_dsearch:
3595 case CMD_ilist:
3596 case CMD_dlist:
3597 case CMD_ijump:
3598 case CMD_psearch:
3599 case CMD_djump:
3600 case CMD_isplit:
3601 case CMD_dsplit:
3602 arg = skipwhite(skipdigits(arg)); /* skip count */
3603 if (*arg == '/') /* Match regexp, not just whole words */
3604 {
3605 for (++arg; *arg && *arg != '/'; arg++)
3606 if (*arg == '\\' && arg[1] != NUL)
3607 arg++;
3608 if (*arg)
3609 {
3610 arg = skipwhite(arg + 1);
3611
3612 /* Check for trailing illegal characters */
3613 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3614 xp->xp_context = EXPAND_NOTHING;
3615 else
3616 return arg;
3617 }
3618 }
3619 break;
3620 #ifdef FEAT_AUTOCMD
3621 case CMD_autocmd:
3622 return set_context_in_autocmd(xp, arg, FALSE);
3623
3624 case CMD_doautocmd:
3625 case CMD_doautoall:
3626 return set_context_in_autocmd(xp, arg, TRUE);
3627 #endif
3628 case CMD_set:
3629 set_context_in_set_cmd(xp, arg, 0);
3630 break;
3631 case CMD_setglobal:
3632 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3633 break;
3634 case CMD_setlocal:
3635 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3636 break;
3637 case CMD_tag:
3638 case CMD_stag:
3639 case CMD_ptag:
3640 case CMD_ltag:
3641 case CMD_tselect:
3642 case CMD_stselect:
3643 case CMD_ptselect:
3644 case CMD_tjump:
3645 case CMD_stjump:
3646 case CMD_ptjump:
3647 if (*p_wop != NUL)
3648 xp->xp_context = EXPAND_TAGS_LISTFILES;
3649 else
3650 xp->xp_context = EXPAND_TAGS;
3651 xp->xp_pattern = arg;
3652 break;
3653 case CMD_augroup:
3654 xp->xp_context = EXPAND_AUGROUP;
3655 xp->xp_pattern = arg;
3656 break;
3657 #ifdef FEAT_SYN_HL
3658 case CMD_syntax:
3659 set_context_in_syntax_cmd(xp, arg);
3660 break;
3661 #endif
3662 #ifdef FEAT_EVAL
3663 case CMD_let:
3664 case CMD_if:
3665 case CMD_elseif:
3666 case CMD_while:
3667 case CMD_for:
3668 case CMD_echo:
3669 case CMD_echon:
3670 case CMD_execute:
3671 case CMD_echomsg:
3672 case CMD_echoerr:
3673 case CMD_call:
3674 case CMD_return:
3675 set_context_for_expression(xp, arg, ea.cmdidx);
3676 break;
3677
3678 case CMD_unlet:
3679 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3680 arg = xp->xp_pattern + 1;
3681 xp->xp_context = EXPAND_USER_VARS;
3682 xp->xp_pattern = arg;
3683 break;
3684
3685 case CMD_function:
3686 case CMD_delfunction:
3687 xp->xp_context = EXPAND_USER_FUNC;
3688 xp->xp_pattern = arg;
3689 break;
3690
3691 case CMD_echohl:
3692 set_context_in_echohl_cmd(xp, arg);
3693 break;
3694 #endif
3695 case CMD_highlight:
3696 set_context_in_highlight_cmd(xp, arg);
3697 break;
3698 #ifdef FEAT_CSCOPE
3699 case CMD_cscope:
3700 case CMD_lcscope:
3701 case CMD_scscope:
3702 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3703 break;
3704 #endif
3705 #ifdef FEAT_LISTCMDS
3706 case CMD_bdelete:
3707 case CMD_bwipeout:
3708 case CMD_bunload:
3709 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3710 arg = xp->xp_pattern + 1;
3711 /*FALLTHROUGH*/
3712 case CMD_buffer:
3713 case CMD_sbuffer:
3714 case CMD_checktime:
3715 xp->xp_context = EXPAND_BUFFERS;
3716 xp->xp_pattern = arg;
3717 break;
3718 #endif
3719 #ifdef FEAT_USR_CMDS
3720 case CMD_USER:
3721 case CMD_USER_BUF:
3722 if (compl != EXPAND_NOTHING)
3723 {
3724 /* XFILE: file names are handled above */
3725 if (!(ea.argt & XFILE))
3726 {
3727 # ifdef FEAT_MENU
3728 if (compl == EXPAND_MENUS)
3729 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3730 # endif
3731 if (compl == EXPAND_COMMANDS)
3732 return arg;
3733 if (compl == EXPAND_MAPPINGS)
3734 return set_context_in_map_cmd(xp, (char_u *)"map",
3735 arg, forceit, FALSE, FALSE, CMD_map);
3736 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3737 arg = xp->xp_pattern + 1;
3738 xp->xp_pattern = arg;
3739 }
3740 xp->xp_context = compl;
3741 }
3742 break;
3743 #endif
3744 case CMD_map: case CMD_noremap:
3745 case CMD_nmap: case CMD_nnoremap:
3746 case CMD_vmap: case CMD_vnoremap:
3747 case CMD_omap: case CMD_onoremap:
3748 case CMD_imap: case CMD_inoremap:
3749 case CMD_cmap: case CMD_cnoremap:
3750 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3751 FALSE, FALSE, ea.cmdidx);
3752 case CMD_unmap:
3753 case CMD_nunmap:
3754 case CMD_vunmap:
3755 case CMD_ounmap:
3756 case CMD_iunmap:
3757 case CMD_cunmap:
3758 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3759 FALSE, TRUE, ea.cmdidx);
3760 case CMD_abbreviate: case CMD_noreabbrev:
3761 case CMD_cabbrev: case CMD_cnoreabbrev:
3762 case CMD_iabbrev: case CMD_inoreabbrev:
3763 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3764 TRUE, FALSE, ea.cmdidx);
3765 case CMD_unabbreviate:
3766 case CMD_cunabbrev:
3767 case CMD_iunabbrev:
3768 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3769 TRUE, TRUE, ea.cmdidx);
3770 #ifdef FEAT_MENU
3771 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3772 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3773 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3774 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3775 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3776 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3777 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3778 case CMD_tmenu: case CMD_tunmenu:
3779 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3780 #ifdef FEAT_GUI_MACVIM
3781 case CMD_macmenu:
3782 #endif
3783 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3784 #endif
3785
3786 case CMD_colorscheme:
3787 xp->xp_context = EXPAND_COLORS;
3788 xp->xp_pattern = arg;
3789 break;
3790
3791 case CMD_compiler:
3792 xp->xp_context = EXPAND_COMPILER;
3793 xp->xp_pattern = arg;
3794 break;
3795
3796 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3797 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3798 case CMD_language:
3799 if (*skiptowhite(arg) == NUL)
3800 {
3801 xp->xp_context = EXPAND_LANGUAGE;
3802 xp->xp_pattern = arg;
3803 }
3804 else
3805 xp->xp_context = EXPAND_NOTHING;
3806 break;
3807 #endif
3808
3809 #ifdef FEAT_GUI_MACVIM
3810 case CMD_macaction:
3811 xp->xp_context = EXPAND_MACACTION;
3812 xp->xp_pattern = arg;
3813 break;
3814 #endif
3815
3816
3817 #endif /* FEAT_CMDL_COMPL */
3818
3819 default:
3820 break;
3821 }
3822 return NULL;
3823 }
3824
3825 /*
3826 * skip a range specifier of the form: addr [,addr] [;addr] ..
3827 *
3828 * Backslashed delimiters after / or ? will be skipped, and commands will
3829 * not be expanded between /'s and ?'s or after "'".
3830 *
3831 * Also skip white space and ":" characters.
3832 * Returns the "cmd" pointer advanced to beyond the range.
3833 */
3834 char_u *
3835 skip_range(cmd, ctx)
3836 char_u *cmd;
3837 int *ctx; /* pointer to xp_context or NULL */
3838 {
3839 int delim;
3840
3841 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3842 {
3843 if (*cmd == '\'')
3844 {
3845 if (*++cmd == NUL && ctx != NULL)
3846 *ctx = EXPAND_NOTHING;
3847 }
3848 else if (*cmd == '/' || *cmd == '?')
3849 {
3850 delim = *cmd++;
3851 while (*cmd != NUL && *cmd != delim)
3852 if (*cmd++ == '\\' && *cmd != NUL)
3853 ++cmd;
3854 if (*cmd == NUL && ctx != NULL)
3855 *ctx = EXPAND_NOTHING;
3856 }
3857 if (*cmd != NUL)
3858 ++cmd;
3859 }
3860
3861 /* Skip ":" and white space. */
3862 while (*cmd == ':')
3863 cmd = skipwhite(cmd + 1);
3864
3865 return cmd;
3866 }
3867
3868 /*
3869 * get a single EX address
3870 *
3871 * Set ptr to the next character after the part that was interpreted.
3872 * Set ptr to NULL when an error is encountered.
3873 *
3874 * Return MAXLNUM when no Ex address was found.
3875 */
3876 static linenr_T
3877 get_address(ptr, skip, to_other_file)
3878 char_u **ptr;
3879 int skip; /* only skip the address, don't use it */
3880 int to_other_file; /* flag: may jump to other file */
3881 {
3882 int c;
3883 int i;
3884 long n;
3885 char_u *cmd;
3886 pos_T pos;
3887 pos_T *fp;
3888 linenr_T lnum;
3889
3890 cmd = skipwhite(*ptr);
3891 lnum = MAXLNUM;
3892 do
3893 {
3894 switch (*cmd)
3895 {
3896 case '.': /* '.' - Cursor position */
3897 ++cmd;
3898 lnum = curwin->w_cursor.lnum;
3899 break;
3900
3901 case '$': /* '$' - last line */
3902 ++cmd;
3903 lnum = curbuf->b_ml.ml_line_count;
3904 break;
3905
3906 case '\'': /* ''' - mark */
3907 if (*++cmd == NUL)
3908 {
3909 cmd = NULL;
3910 goto error;
3911 }
3912 if (skip)
3913 ++cmd;
3914 else
3915 {
3916 /* Only accept a mark in another file when it is
3917 * used by itself: ":'M". */
3918 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3919 ++cmd;
3920 if (fp == (pos_T *)-1)
3921 /* Jumped to another file. */
3922 lnum = curwin->w_cursor.lnum;
3923 else
3924 {
3925 if (check_mark(fp) == FAIL)
3926 {
3927 cmd = NULL;
3928 goto error;
3929 }
3930 lnum = fp->lnum;
3931 }
3932 }
3933 break;
3934
3935 case '/':
3936 case '?': /* '/' or '?' - search */
3937 c = *cmd++;
3938 if (skip) /* skip "/pat/" */
3939 {
3940 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3941 if (*cmd == c)
3942 ++cmd;
3943 }
3944 else
3945 {
3946 pos = curwin->w_cursor; /* save curwin->w_cursor */
3947 /*
3948 * When '/' or '?' follows another address, start
3949 * from there.
3950 */
3951 if (lnum != MAXLNUM)
3952 curwin->w_cursor.lnum = lnum;
3953 /*
3954 * Start a forward search at the end of the line.
3955 * Start a backward search at the start of the line.
3956 * This makes sure we never match in the current
3957 * line, and can match anywhere in the
3958 * next/previous line.
3959 */
3960 if (c == '/')
3961 curwin->w_cursor.col = MAXCOL;
3962 else
3963 curwin->w_cursor.col = 0;
3964 searchcmdlen = 0;
3965 if (!do_search(NULL, c, cmd, 1L,
3966 SEARCH_HIS | SEARCH_MSG, NULL))
3967 {
3968 curwin->w_cursor = pos;
3969 cmd = NULL;
3970 goto error;
3971 }
3972 lnum = curwin->w_cursor.lnum;
3973 curwin->w_cursor = pos;
3974 /* adjust command string pointer */
3975 cmd += searchcmdlen;
3976 }
3977 break;
3978
3979 case '\\': /* "\?", "\/" or "\&", repeat search */
3980 ++cmd;
3981 if (*cmd == '&')
3982 i = RE_SUBST;
3983 else if (*cmd == '?' || *cmd == '/')
3984 i = RE_SEARCH;
3985 else
3986 {
3987 EMSG(_(e_backslash));
3988 cmd = NULL;
3989 goto error;
3990 }
3991
3992 if (!skip)
3993 {
3994 /*
3995 * When search follows another address, start from
3996 * there.
3997 */
3998 if (lnum != MAXLNUM)
3999 pos.lnum = lnum;
4000 else
4001 pos.lnum = curwin->w_cursor.lnum;
4002
4003 /*
4004 * Start the search just like for the above
4005 * do_search().
4006 */
4007 if (*cmd != '?')
4008 pos.col = MAXCOL;
4009 else
4010 pos.col = 0;
4011 if (searchit(curwin, curbuf, &pos,
4012 *cmd == '?' ? BACKWARD : FORWARD,
4013 (char_u *)"", 1L, SEARCH_MSG,
4014 i, (linenr_T)0, NULL) != FAIL)
4015 lnum = pos.lnum;
4016 else
4017 {
4018 cmd = NULL;
4019 goto error;
4020 }
4021 }
4022 ++cmd;
4023 break;
4024
4025 default:
4026 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4027 lnum = getdigits(&cmd);
4028 }
4029
4030 for (;;)
4031 {
4032 cmd = skipwhite(cmd);
4033 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4034 break;
4035
4036 if (lnum == MAXLNUM)
4037 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4038 if (VIM_ISDIGIT(*cmd))
4039 i = '+'; /* "number" is same as "+number" */
4040 else
4041 i = *cmd++;
4042 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4043 n = 1;
4044 else
4045 n = getdigits(&cmd);
4046 if (i == '-')
4047 lnum -= n;
4048 else
4049 lnum += n;
4050 }
4051 } while (*cmd == '/' || *cmd == '?');
4052
4053 error:
4054 *ptr = cmd;
4055 return lnum;
4056 }
4057
4058 /*
4059 * Get flags from an Ex command argument.
4060 */
4061 static void
4062 get_flags(eap)
4063 exarg_T *eap;
4064 {
4065 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4066 {
4067 if (*eap->arg == 'l')
4068 eap->flags |= EXFLAG_LIST;
4069 else if (*eap->arg == 'p')
4070 eap->flags |= EXFLAG_PRINT;
4071 else
4072 eap->flags |= EXFLAG_NR;
4073 eap->arg = skipwhite(eap->arg + 1);
4074 }
4075 }
4076
4077 /*
4078 * Function called for command which is Not Implemented. NI!
4079 */
4080 void
4081 ex_ni(eap)
4082 exarg_T *eap;
4083 {
4084 if (!eap->skip)
4085 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4086 }
4087
4088 #ifdef HAVE_EX_SCRIPT_NI
4089 /*
4090 * Function called for script command which is Not Implemented. NI!
4091 * Skips over ":perl <<EOF" constructs.
4092 */
4093 static void
4094 ex_script_ni(eap)
4095 exarg_T *eap;
4096 {
4097 if (!eap->skip)
4098 ex_ni(eap);
4099 else
4100 vim_free(script_get(eap, eap->arg));
4101 }
4102 #endif
4103
4104 /*
4105 * Check range in Ex command for validity.
4106 * Return NULL when valid, error message when invalid.
4107 */
4108 static char_u *
4109 invalid_range(eap)
4110 exarg_T *eap;
4111 {
4112 if ( eap->line1 < 0
4113 || eap->line2 < 0
4114 || eap->line1 > eap->line2
4115 || ((eap->argt & RANGE)
4116 && !(eap->argt & NOTADR)
4117 && eap->line2 > curbuf->b_ml.ml_line_count
4118 #ifdef FEAT_DIFF
4119 + (eap->cmdidx == CMD_diffget)
4120 #endif
4121 ))
4122 return (char_u *)_(e_invrange);
4123 return NULL;
4124 }
4125
4126 /*
4127 * Correct the range for zero line number, if required.
4128 */
4129 static void
4130 correct_range(eap)
4131 exarg_T *eap;
4132 {
4133 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4134 {
4135 if (eap->line1 == 0)
4136 eap->line1 = 1;
4137 if (eap->line2 == 0)
4138 eap->line2 = 1;
4139 }
4140 }
4141
4142 #ifdef FEAT_QUICKFIX
4143 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4144
4145 /*
4146 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4147 * pattern. Otherwise return eap->arg.
4148 */
4149 static char_u *
4150 skip_grep_pat(eap)
4151 exarg_T *eap;
4152 {
4153 char_u *p = eap->arg;
4154
4155 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4156 || eap->cmdidx == CMD_vimgrepadd
4157 || eap->cmdidx == CMD_lvimgrepadd
4158 || grep_internal(eap->cmdidx)))
4159 {
4160 p = skip_vimgrep_pat(p, NULL, NULL);
4161 if (p == NULL)
4162 p = eap->arg;
4163 }
4164 return p;
4165 }
4166
4167 /*
4168 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4169 * in the command line, so that things like % get expanded.
4170 */
4171 static char_u *
4172 replace_makeprg(eap, p, cmdlinep)
4173 exarg_T *eap;
4174 char_u *p;
4175 char_u **cmdlinep;
4176 {
4177 char_u *new_cmdline;
4178 char_u *program;
4179 char_u *pos;
4180 char_u *ptr;
4181 int len;
4182 int i;
4183
4184 /*
4185 * Don't do it when ":vimgrep" is used for ":grep".
4186 */
4187 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4188 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4189 || eap->cmdidx == CMD_grepadd
4190 || eap->cmdidx == CMD_lgrepadd)
4191 && !grep_internal(eap->cmdidx))
4192 {
4193 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4194 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4195 {
4196 if (*curbuf->b_p_gp == NUL)
4197 program = p_gp;
4198 else
4199 program = curbuf->b_p_gp;
4200 }
4201 else
4202 {
4203 if (*curbuf->b_p_mp == NUL)
4204 program = p_mp;
4205 else
4206 program = curbuf->b_p_mp;
4207 }
4208
4209 p = skipwhite(p);
4210
4211 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4212 {
4213 /* replace $* by given arguments */
4214 i = 1;
4215 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4216 ++i;
4217 len = (int)STRLEN(p);
4218 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4219 if (new_cmdline == NULL)
4220 return NULL; /* out of memory */
4221 ptr = new_cmdline;
4222 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4223 {
4224 i = (int)(pos - program);
4225 STRNCPY(ptr, program, i);
4226 STRCPY(ptr += i, p);
4227 ptr += len;
4228 program = pos + 2;
4229 }
4230 STRCPY(ptr, program);
4231 }
4232 else
4233 {
4234 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4235 if (new_cmdline == NULL)
4236 return NULL; /* out of memory */
4237 STRCPY(new_cmdline, program);
4238 STRCAT(new_cmdline, " ");
4239 STRCAT(new_cmdline, p);
4240 }
4241 msg_make(p);
4242
4243 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4244 vim_free(*cmdlinep);
4245 *cmdlinep = new_cmdline;
4246 p = new_cmdline;
4247 }
4248 return p;
4249 }
4250 #endif
4251
4252 /*
4253 * Expand file name in Ex command argument.
4254 * Return FAIL for failure, OK otherwise.
4255 */
4256 int
4257 expand_filename(eap, cmdlinep, errormsgp)
4258 exarg_T *eap;
4259 char_u **cmdlinep;
4260 char_u **errormsgp;
4261 {
4262 int has_wildcards; /* need to expand wildcards */
4263 char_u *repl;
4264 int srclen;
4265 char_u *p;
4266 int n;
4267 int escaped;
4268
4269 #ifdef FEAT_QUICKFIX
4270 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4271 p = skip_grep_pat(eap);
4272 #else
4273 p = eap->arg;
4274 #endif
4275
4276 /*
4277 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4278 * the file name contains a wildcard it should not cause expanding.
4279 * (it will be expanded anyway if there is a wildcard before replacing).
4280 */
4281 has_wildcards = mch_has_wildcard(p);
4282 while (*p != NUL)
4283 {
4284 #ifdef FEAT_EVAL
4285 /* Skip over `=expr`, wildcards in it are not expanded. */
4286 if (p[0] == '`' && p[1] == '=')
4287 {
4288 p += 2;
4289 (void)skip_expr(&p);
4290 if (*p == '`')
4291 ++p;
4292 continue;
4293 }
4294 #endif
4295 /*
4296 * Quick check if this cannot be the start of a special string.
4297 * Also removes backslash before '%', '#' and '<'.
4298 */
4299 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4300 {
4301 ++p;
4302 continue;
4303 }
4304
4305 /*
4306 * Try to find a match at this position.
4307 */
4308 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4309 errormsgp, &escaped);
4310 if (*errormsgp != NULL) /* error detected */
4311 return FAIL;
4312 if (repl == NULL) /* no match found */
4313 {
4314 p += srclen;
4315 continue;
4316 }
4317
4318 /* Wildcards won't be expanded below, the replacement is taken
4319 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4320 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4321 {
4322 char_u *l = repl;
4323
4324 repl = expand_env_save(repl);
4325 vim_free(l);
4326 }
4327
4328 /* Need to escape white space et al. with a backslash.
4329 * Don't do this for:
4330 * - replacement that already has been escaped: "##"
4331 * - shell commands (may have to use quotes instead).
4332 * - non-unix systems when there is a single argument (spaces don't
4333 * separate arguments then).
4334 */
4335 if (!eap->usefilter
4336 && !escaped
4337 && eap->cmdidx != CMD_bang
4338 && eap->cmdidx != CMD_make
4339 && eap->cmdidx != CMD_lmake
4340 && eap->cmdidx != CMD_grep
4341 && eap->cmdidx != CMD_lgrep
4342 && eap->cmdidx != CMD_grepadd
4343 && eap->cmdidx != CMD_lgrepadd
4344 #ifndef UNIX
4345 && !(eap->argt & NOSPC)
4346 #endif
4347 )
4348 {
4349 char_u *l;
4350 #ifdef BACKSLASH_IN_FILENAME
4351 /* Don't escape a backslash here, because rem_backslash() doesn't
4352 * remove it later. */
4353 static char_u *nobslash = (char_u *)" \t\"|";
4354 # define ESCAPE_CHARS nobslash
4355 #else
4356 # define ESCAPE_CHARS escape_chars
4357 #endif
4358
4359 for (l = repl; *l; ++l)
4360 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4361 {
4362 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4363 if (l != NULL)
4364 {
4365 vim_free(repl);
4366 repl = l;
4367 }
4368 break;
4369 }
4370 }
4371
4372 /* For a shell command a '!' must be escaped. */
4373 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4374 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4375 {
4376 char_u *l;
4377
4378 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4379 if (l != NULL)
4380 {
4381 vim_free(repl);
4382 repl = l;
4383 /* For a sh-like shell escape "!" another time. */
4384 if (strstr((char *)p_sh, "sh") != NULL)
4385 {
4386 l = vim_strsave_escaped(repl, (char_u *)"!");
4387 if (l != NULL)
4388 {
4389 vim_free(repl);
4390 repl = l;
4391 }
4392 }
4393 }
4394 }
4395
4396 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4397 vim_free(repl);
4398 if (p == NULL)
4399 return FAIL;
4400 }
4401
4402 /*
4403 * One file argument: Expand wildcards.
4404 * Don't do this with ":r !command" or ":w !command".
4405 */
4406 if ((eap->argt & NOSPC) && !eap->usefilter)
4407 {
4408 /*
4409 * May do this twice:
4410 * 1. Replace environment variables.
4411 * 2. Replace any other wildcards, remove backslashes.
4412 */
4413 for (n = 1; n <= 2; ++n)
4414 {
4415 if (n == 2)
4416 {
4417 #ifdef UNIX
4418 /*
4419 * Only for Unix we check for more than one file name.
4420 * For other systems spaces are considered to be part
4421 * of the file name.
4422 * Only check here if there is no wildcard, otherwise
4423 * ExpandOne() will check for errors. This allows
4424 * ":e `ls ve*.c`" on Unix.
4425 */
4426 if (!has_wildcards)
4427 for (p = eap->arg; *p; ++p)
4428 {
4429 /* skip escaped characters */
4430 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4431 ++p;
4432 else if (vim_iswhite(*p))
4433 {
4434 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4435 return FAIL;
4436 }
4437 }
4438 #endif
4439
4440 /*
4441 * Halve the number of backslashes (this is Vi compatible).
4442 * For Unix and OS/2, when wildcards are expanded, this is
4443 * done by ExpandOne() below.
4444 */
4445 #if defined(UNIX) || defined(OS2)
4446 if (!has_wildcards)
4447 #endif
4448 backslash_halve(eap->arg);
4449 }
4450
4451 if (has_wildcards)
4452 {
4453 if (n == 1)
4454 {
4455 /*
4456 * First loop: May expand environment variables. This
4457 * can be done much faster with expand_env() than with
4458 * something else (e.g., calling a shell).
4459 * After expanding environment variables, check again
4460 * if there are still wildcards present.
4461 */
4462 if (vim_strchr(eap->arg, '$') != NULL
4463 || vim_strchr(eap->arg, '~') != NULL)
4464 {
4465 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4466 TRUE, TRUE, NULL);
4467 has_wildcards = mch_has_wildcard(NameBuff);
4468 p = NameBuff;
4469 }
4470 else
4471 p = NULL;
4472 }
4473 else /* n == 2 */
4474 {
4475 expand_T xpc;
4476
4477 ExpandInit(&xpc);
4478 xpc.xp_context = EXPAND_FILES;
4479 p = ExpandOne(&xpc, eap->arg, NULL,
4480 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4481 WILD_EXPAND_FREE);
4482 if (p == NULL)
4483 return FAIL;
4484 }
4485 if (p != NULL)
4486 {
4487 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4488 p, cmdlinep);
4489 if (n == 2) /* p came from ExpandOne() */
4490 vim_free(p);
4491 }
4492 }
4493 }
4494 }
4495 return OK;
4496 }
4497
4498 /*
4499 * Replace part of the command line, keeping eap->cmd, eap->arg and
4500 * eap->nextcmd correct.
4501 * "src" points to the part that is to be replaced, of length "srclen".
4502 * "repl" is the replacement string.
4503 * Returns a pointer to the character after the replaced string.
4504 * Returns NULL for failure.
4505 */
4506 static char_u *
4507 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4508 exarg_T *eap;
4509 char_u *src;
4510 int srclen;
4511 char_u *repl;
4512 char_u **cmdlinep;
4513 {
4514 int len;
4515 int i;
4516 char_u *new_cmdline;
4517
4518 /*
4519 * The new command line is build in new_cmdline[].
4520 * First allocate it.
4521 * Careful: a "+cmd" argument may have been NUL terminated.
4522 */
4523 len = (int)STRLEN(repl);
4524 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4525 if (eap->nextcmd != NULL)
4526 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4527 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4528 return NULL; /* out of memory! */
4529
4530 /*
4531 * Copy the stuff before the expanded part.
4532 * Copy the expanded stuff.
4533 * Copy what came after the expanded part.
4534 * Copy the next commands, if there are any.
4535 */
4536 i = (int)(src - *cmdlinep); /* length of part before match */
4537 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4538
4539 mch_memmove(new_cmdline + i, repl, (size_t)len);
4540 i += len; /* remember the end of the string */
4541 STRCPY(new_cmdline + i, src + srclen);
4542 src = new_cmdline + i; /* remember where to continue */
4543
4544 if (eap->nextcmd != NULL) /* append next command */
4545 {
4546 i = (int)STRLEN(new_cmdline) + 1;
4547 STRCPY(new_cmdline + i, eap->nextcmd);
4548 eap->nextcmd = new_cmdline + i;
4549 }
4550 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4551 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4552 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4553 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4554 vim_free(*cmdlinep);
4555 *cmdlinep = new_cmdline;
4556
4557 return src;
4558 }
4559
4560 /*
4561 * Check for '|' to separate commands and '"' to start comments.
4562 */
4563 void
4564 separate_nextcmd(eap)
4565 exarg_T *eap;
4566 {
4567 char_u *p;
4568
4569 #ifdef FEAT_QUICKFIX
4570 p = skip_grep_pat(eap);
4571 #else
4572 p = eap->arg;
4573 #endif
4574
4575 for ( ; *p; mb_ptr_adv(p))
4576 {
4577 if (*p == Ctrl_V)
4578 {
4579 if (eap->argt & (USECTRLV | XFILE))
4580 ++p; /* skip CTRL-V and next char */
4581 else
4582 /* remove CTRL-V and skip next char */
4583 STRMOVE(p, p + 1);
4584 if (*p == NUL) /* stop at NUL after CTRL-V */
4585 break;
4586 }
4587
4588 #ifdef FEAT_EVAL
4589 /* Skip over `=expr` when wildcards are expanded. */
4590 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4591 {
4592 p += 2;
4593 (void)skip_expr(&p);
4594 }
4595 #endif
4596
4597 /* Check for '"': start of comment or '|': next command */
4598 /* :@" and :*" do not start a comment!
4599 * :redir @" doesn't either. */
4600 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4601 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4602 || p != eap->arg)
4603 && (eap->cmdidx != CMD_redir
4604 || p != eap->arg + 1 || p[-1] != '@'))
4605 || *p == '|' || *p == '\n')
4606 {
4607 /*
4608 * We remove the '\' before the '|', unless USECTRLV is used
4609 * AND 'b' is present in 'cpoptions'.
4610 */
4611 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4612 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4613 {
4614 STRMOVE(p - 1, p); /* remove the '\' */
4615 --p;
4616 }
4617 else
4618 {
4619 eap->nextcmd = check_nextcmd(p);
4620 *p = NUL;
4621 break;
4622 }
4623 }
4624 }
4625
4626 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4627 del_trailing_spaces(eap->arg);
4628 }
4629
4630 /*
4631 * get + command from ex argument
4632 */
4633 static char_u *
4634 getargcmd(argp)
4635 char_u **argp;
4636 {
4637 char_u *arg = *argp;
4638 char_u *command = NULL;
4639
4640 if (*arg == '+') /* +[command] */
4641 {
4642 ++arg;
4643 if (vim_isspace(*arg))
4644 command = dollar_command;
4645 else
4646 {
4647 command = arg;
4648 arg = skip_cmd_arg(command, TRUE);
4649 if (*arg != NUL)
4650 *arg++ = NUL; /* terminate command with NUL */
4651 }
4652
4653 arg = skipwhite(arg); /* skip over spaces */
4654 *argp = arg;
4655 }
4656 return command;
4657 }
4658
4659 /*
4660 * Find end of "+command" argument. Skip over "\ " and "\\".
4661 */
4662 static char_u *
4663 skip_cmd_arg(p, rembs)
4664 char_u *p;
4665 int rembs; /* TRUE to halve the number of backslashes */
4666 {
4667 while (*p && !vim_isspace(*p))
4668 {
4669 if (*p == '\\' && p[1] != NUL)
4670 {
4671 if (rembs)
4672 STRMOVE(p, p + 1);
4673 else
4674 ++p;
4675 }
4676 mb_ptr_adv(p);
4677 }
4678 return p;
4679 }
4680
4681 /*
4682 * Get "++opt=arg" argument.
4683 * Return FAIL or OK.
4684 */
4685 static int
4686 getargopt(eap)
4687 exarg_T *eap;
4688 {
4689 char_u *arg = eap->arg + 2;
4690 int *pp = NULL;
4691 #ifdef FEAT_MBYTE
4692 char_u *p;
4693 #endif
4694
4695 /* ":edit ++[no]bin[ary] file" */
4696 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4697 {
4698 if (*arg == 'n')
4699 {
4700 arg += 2;
4701 eap->force_bin = FORCE_NOBIN;
4702 }
4703 else
4704 eap->force_bin = FORCE_BIN;
4705 if (!checkforcmd(&arg, "binary", 3))
4706 return FAIL;
4707 eap->arg = skipwhite(arg);
4708 return OK;
4709 }
4710
4711 /* ":read ++edit file" */
4712 if (STRNCMP(arg, "edit", 4) == 0)
4713 {
4714 eap->read_edit = TRUE;
4715 eap->arg = skipwhite(arg + 4);
4716 return OK;
4717 }
4718
4719 if (STRNCMP(arg, "ff", 2) == 0)
4720 {
4721 arg += 2;
4722 pp = &eap->force_ff;
4723 }
4724 else if (STRNCMP(arg, "fileformat", 10) == 0)
4725 {
4726 arg += 10;
4727 pp = &eap->force_ff;
4728 }
4729 #ifdef FEAT_MBYTE
4730 else if (STRNCMP(arg, "enc", 3) == 0)
4731 {
4732 arg += 3;
4733 pp = &eap->force_enc;
4734 }
4735 else if (STRNCMP(arg, "encoding", 8) == 0)
4736 {
4737 arg += 8;
4738 pp = &eap->force_enc;
4739 }
4740 else if (STRNCMP(arg, "bad", 3) == 0)
4741 {
4742 arg += 3;
4743 pp = &eap->bad_char;
4744 }
4745 #endif
4746
4747 if (pp == NULL || *arg != '=')
4748 return FAIL;
4749
4750 ++arg;
4751 *pp = (int)(arg - eap->cmd);
4752 arg = skip_cmd_arg(arg, FALSE);
4753 eap->arg = skipwhite(arg);
4754 *arg = NUL;
4755
4756 #ifdef FEAT_MBYTE
4757 if (pp == &eap->force_ff)
4758 {
4759 #endif
4760 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4761 return FAIL;
4762 #ifdef FEAT_MBYTE
4763 }
4764 else if (pp == &eap->force_enc)
4765 {
4766 /* Make 'fileencoding' lower case. */
4767 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4768 *p = TOLOWER_ASC(*p);
4769 }
4770 else
4771 {
4772 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4773 * "drop". */
4774 p = eap->cmd + eap->bad_char;
4775 if (STRICMP(p, "keep") == 0)
4776 eap->bad_char = BAD_KEEP;
4777 else if (STRICMP(p, "drop") == 0)
4778 eap->bad_char = BAD_DROP;
4779 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4780 eap->bad_char = *p;
4781 else
4782 return FAIL;
4783 }
4784 #endif
4785
4786 return OK;
4787 }
4788
4789 /*
4790 * ":abbreviate" and friends.
4791 */
4792 static void
4793 ex_abbreviate(eap)
4794 exarg_T *eap;
4795 {
4796 do_exmap(eap, TRUE); /* almost the same as mapping */
4797 }
4798
4799 /*
4800 * ":map" and friends.
4801 */
4802 static void
4803 ex_map(eap)
4804 exarg_T *eap;
4805 {
4806 /*
4807 * If we are sourcing .exrc or .vimrc in current directory we
4808 * print the mappings for security reasons.
4809 */
4810 if (secure)
4811 {
4812 secure = 2;
4813 msg_outtrans(eap->cmd);
4814 msg_putchar('\n');
4815 }
4816 do_exmap(eap, FALSE);
4817 }
4818
4819 /*
4820 * ":unmap" and friends.
4821 */
4822 static void
4823 ex_unmap(eap)
4824 exarg_T *eap;
4825 {
4826 do_exmap(eap, FALSE);
4827 }
4828
4829 /*
4830 * ":mapclear" and friends.
4831 */
4832 static void
4833 ex_mapclear(eap)
4834 exarg_T *eap;
4835 {
4836 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4837 }
4838
4839 /*
4840 * ":abclear" and friends.
4841 */
4842 static void
4843 ex_abclear(eap)
4844 exarg_T *eap;
4845 {
4846 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4847 }
4848
4849 #ifdef FEAT_AUTOCMD
4850 static void
4851 ex_autocmd(eap)
4852 exarg_T *eap;
4853 {
4854 /*
4855 * Disallow auto commands from .exrc and .vimrc in current
4856 * directory for security reasons.
4857 */
4858 if (secure)
4859 {
4860 secure = 2;
4861 eap->errmsg = e_curdir;
4862 }
4863 else if (eap->cmdidx == CMD_autocmd)
4864 do_autocmd(eap->arg, eap->forceit);
4865 else
4866 do_augroup(eap->arg, eap->forceit);
4867 }
4868
4869 /*
4870 * ":doautocmd": Apply the automatic commands to the current buffer.
4871 */
4872 static void
4873 ex_doautocmd(eap)
4874 exarg_T *eap;
4875 {
4876 (void)do_doautocmd(eap->arg, TRUE);
4877 do_modelines(0);
4878 }
4879 #endif
4880
4881 #ifdef FEAT_LISTCMDS
4882 /*
4883 * :[N]bunload[!] [N] [bufname] unload buffer
4884 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4885 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4886 */
4887 static void
4888 ex_bunload(eap)
4889 exarg_T *eap;
4890 {
4891 eap->errmsg = do_bufdel(
4892 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4893 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4894 : DOBUF_UNLOAD, eap->arg,
4895 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4896 }
4897
4898 /*
4899 * :[N]buffer [N] to buffer N
4900 * :[N]sbuffer [N] to buffer N
4901 */
4902 static void
4903 ex_buffer(eap)
4904 exarg_T *eap;
4905 {
4906 if (*eap->arg)
4907 eap->errmsg = e_trailing;
4908 else
4909 {
4910 if (eap->addr_count == 0) /* default is current buffer */
4911 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4912 else
4913 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4914 }
4915 }
4916
4917 /*
4918 * :[N]bmodified [N] to next mod. buffer
4919 * :[N]sbmodified [N] to next mod. buffer
4920 */
4921 static void
4922 ex_bmodified(eap)
4923 exarg_T *eap;
4924 {
4925 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4926 }
4927
4928 /*
4929 * :[N]bnext [N] to next buffer
4930 * :[N]sbnext [N] split and to next buffer
4931 */
4932 static void
4933 ex_bnext(eap)
4934 exarg_T *eap;
4935 {
4936 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4937 }
4938
4939 /*
4940 * :[N]bNext [N] to previous buffer
4941 * :[N]bprevious [N] to previous buffer
4942 * :[N]sbNext [N] split and to previous buffer
4943 * :[N]sbprevious [N] split and to previous buffer
4944 */
4945 static void
4946 ex_bprevious(eap)
4947 exarg_T *eap;
4948 {
4949 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4950 }
4951
4952 /*
4953 * :brewind to first buffer
4954 * :bfirst to first buffer
4955 * :sbrewind split and to first buffer
4956 * :sbfirst split and to first buffer
4957 */
4958 static void
4959 ex_brewind(eap)
4960 exarg_T *eap;
4961 {
4962 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4963 }
4964
4965 /*
4966 * :blast to last buffer
4967 * :sblast split and to last buffer
4968 */
4969 static void
4970 ex_blast(eap)
4971 exarg_T *eap;
4972 {
4973 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4974 }
4975 #endif
4976
4977 int
4978 ends_excmd(c)
4979 int c;
4980 {
4981 return (c == NUL || c == '|' || c == '"' || c == '\n');
4982 }
4983
4984 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4985 || defined(PROTO)
4986 /*
4987 * Return the next command, after the first '|' or '\n'.
4988 * Return NULL if not found.
4989 */
4990 char_u *
4991 find_nextcmd(p)
4992 char_u *p;
4993 {
4994 while (*p != '|' && *p != '\n')
4995 {
4996 if (*p == NUL)
4997 return NULL;
4998 ++p;
4999 }
5000 return (p + 1);
5001 }
5002 #endif
5003
5004 /*
5005 * Check if *p is a separator between Ex commands.
5006 * Return NULL if it isn't, (p + 1) if it is.
5007 */
5008 char_u *
5009 check_nextcmd(p)
5010 char_u *p;
5011 {
5012 p = skipwhite(p);
5013 if (*p == '|' || *p == '\n')
5014 return (p + 1);
5015 else
5016 return NULL;
5017 }
5018
5019 /*
5020 * - if there are more files to edit
5021 * - and this is the last window
5022 * - and forceit not used
5023 * - and not repeated twice on a row
5024 * return FAIL and give error message if 'message' TRUE
5025 * return OK otherwise
5026 */
5027 static int
5028 check_more(message, forceit)
5029 int message; /* when FALSE check only, no messages */
5030 int forceit;
5031 {
5032 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5033
5034 if (!forceit && only_one_window()
5035 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5036 {
5037 if (message)
5038 {
5039 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5040 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5041 {
5042 char_u buff[IOSIZE];
5043
5044 if (n == 1)
5045 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5046 else
5047 vim_snprintf((char *)buff, IOSIZE,
5048 _("%d more files to edit. Quit anyway?"), n);
5049 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5050 return OK;
5051 return FAIL;
5052 }
5053 #endif
5054 if (n == 1)
5055 EMSG(_("E173: 1 more file to edit"));
5056 else
5057 EMSGN(_("E173: %ld more files to edit"), n);
5058 quitmore = 2; /* next try to quit is allowed */
5059 }
5060 return FAIL;
5061 }
5062 return OK;
5063 }
5064
5065 #ifdef FEAT_CMDL_COMPL
5066 /*
5067 * Function given to ExpandGeneric() to obtain the list of command names.
5068 */
5069 /*ARGSUSED*/
5070 char_u *
5071 get_command_name(xp, idx)
5072 expand_T *xp;
5073 int idx;
5074 {
5075 if (idx >= (int)CMD_SIZE)
5076 # ifdef FEAT_USR_CMDS
5077 return get_user_command_name(idx);
5078 # else
5079 return NULL;
5080 # endif
5081 return cmdnames[idx].cmd_name;
5082 }
5083 #endif
5084
5085 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5086 static int uc_add_command __ARGS((char_u *name, size_t name_len, char_u *rep, long argt, long def, int flags, int compl, char_u *compl_arg, int force));
5087 static void uc_list __ARGS((char_u *name, size_t name_len));
5088 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5089 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5090 static size_t uc_check_code __ARGS((char_u *code, size_t len, char_u *buf, ucmd_T *cmd, exarg_T *eap, char_u **split_buf, size_t *split_len));
5091
5092 static int
5093 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5094 char_u *name;
5095 size_t name_len;
5096 char_u *rep;
5097 long argt;
5098 long def;
5099 int flags;
5100 int compl;
5101 char_u *compl_arg;
5102 int force;
5103 {
5104 ucmd_T *cmd = NULL;
5105 char_u *p;
5106 int i;
5107 int cmp = 1;
5108 char_u *rep_buf = NULL;
5109 garray_T *gap;
5110
5111 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5112 if (rep_buf == NULL)
5113 {
5114 /* Can't replace termcodes - try using the string as is */
5115 rep_buf = vim_strsave(rep);
5116
5117 /* Give up if out of memory */
5118 if (rep_buf == NULL)
5119 return FAIL;
5120 }
5121
5122 /* get address of growarray: global or in curbuf */
5123 if (flags & UC_BUFFER)
5124 {
5125 gap = &curbuf->b_ucmds;
5126 if (gap->ga_itemsize == 0)
5127 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5128 }
5129 else
5130 gap = &ucmds;
5131
5132 /* Search for the command in the already defined commands. */
5133 for (i = 0; i < gap->ga_len; ++i)
5134 {
5135 size_t len;
5136
5137 cmd = USER_CMD_GA(gap, i);
5138 len = STRLEN(cmd->uc_name);
5139 cmp = STRNCMP(name, cmd->uc_name, name_len);
5140 if (cmp == 0)
5141 {
5142 if (name_len < len)
5143 cmp = -1;
5144 else if (name_len > len)
5145 cmp = 1;
5146 }
5147
5148 if (cmp == 0)
5149 {
5150 if (!force)
5151 {
5152 EMSG(_("E174: Command already exists: add ! to replace it"));
5153 goto fail;
5154 }
5155
5156 vim_free(cmd->uc_rep);
5157 cmd->uc_rep = NULL;
5158 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5159 vim_free(cmd->uc_compl_arg);
5160 cmd->uc_compl_arg = NULL;
5161 #endif
5162 break;
5163 }
5164
5165 /* Stop as soon as we pass the name to add */
5166 if (cmp < 0)
5167 break;
5168 }
5169
5170 /* Extend the array unless we're replacing an existing command */
5171 if (cmp != 0)
5172 {
5173 if (ga_grow(gap, 1) != OK)
5174 goto fail;
5175 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5176 goto fail;
5177
5178 cmd = USER_CMD_GA(gap, i);
5179 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5180
5181 ++gap->ga_len;
5182
5183 cmd->uc_name = p;
5184 }
5185
5186 cmd->uc_rep = rep_buf;
5187 cmd->uc_argt = argt;
5188 cmd->uc_def = def;
5189 cmd->uc_compl = compl;
5190 #ifdef FEAT_EVAL
5191 cmd->uc_scriptID = current_SID;
5192 # ifdef FEAT_CMDL_COMPL
5193 cmd->uc_compl_arg = compl_arg;
5194 # endif
5195 #endif
5196
5197 return OK;
5198
5199 fail:
5200 vim_free(rep_buf);
5201 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5202 vim_free(compl_arg);
5203 #endif
5204 return FAIL;
5205 }
5206
5207 /*
5208 * List of names for completion for ":command" with the EXPAND_ flag.
5209 * Must be alphabetical for completion.
5210 */
5211 static struct
5212 {
5213 int expand;
5214 char *name;
5215 } command_complete[] =
5216 {
5217 {EXPAND_AUGROUP, "augroup"},
5218 {EXPAND_BUFFERS, "buffer"},
5219 {EXPAND_COMMANDS, "command"},
5220 #if defined(FEAT_CSCOPE)
5221 {EXPAND_CSCOPE, "cscope"},
5222 #endif
5223 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5224 {EXPAND_USER_DEFINED, "custom"},
5225 {EXPAND_USER_LIST, "customlist"},
5226 #endif
5227 {EXPAND_DIRECTORIES, "dir"},
5228 {EXPAND_ENV_VARS, "environment"},
5229 {EXPAND_EVENTS, "event"},
5230 {EXPAND_EXPRESSION, "expression"},
5231 {EXPAND_FILES, "file"},
5232 {EXPAND_FUNCTIONS, "function"},
5233 {EXPAND_HELP, "help"},
5234 {EXPAND_HIGHLIGHT, "highlight"},
5235 {EXPAND_MAPPINGS, "mapping"},
5236 {EXPAND_MENUS, "menu"},
5237 {EXPAND_SETTINGS, "option"},
5238 {EXPAND_SHELLCMD, "shellcmd"},
5239 {EXPAND_TAGS, "tag"},
5240 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5241 {EXPAND_USER_VARS, "var"},
5242 {0, NULL}
5243 };
5244
5245 static void
5246 uc_list(name, name_len)
5247 char_u *name;
5248 size_t name_len;
5249 {
5250 int i, j;
5251 int found = FALSE;
5252 ucmd_T *cmd;
5253 int len;
5254 long a;
5255 garray_T *gap;
5256
5257 gap = &curbuf->b_ucmds;
5258 for (;;)
5259 {
5260 for (i = 0; i < gap->ga_len; ++i)
5261 {
5262 cmd = USER_CMD_GA(gap, i);
5263 a = (long)cmd->uc_argt;
5264
5265 /* Skip commands which don't match the requested prefix */
5266 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5267 continue;
5268
5269 /* Put out the title first time */
5270 if (!found)
5271 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5272 found = TRUE;
5273 msg_putchar('\n');
5274 if (got_int)
5275 break;
5276
5277 /* Special cases */
5278 msg_putchar(a & BANG ? '!' : ' ');
5279 msg_putchar(a & REGSTR ? '"' : ' ');
5280 msg_putchar(gap != &ucmds ? 'b' : ' ');
5281 msg_putchar(' ');
5282
5283 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5284 len = (int)STRLEN(cmd->uc_name) + 4;
5285
5286 do {
5287 msg_putchar(' ');
5288 ++len;
5289 } while (len < 16);
5290
5291 len = 0;
5292
5293 /* Arguments */
5294 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5295 {
5296 case 0: IObuff[len++] = '0'; break;
5297 case (EXTRA): IObuff[len++] = '*'; break;
5298 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5299 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5300 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5301 }
5302
5303 do {
5304 IObuff[len++] = ' ';
5305 } while (len < 5);
5306
5307 /* Range */
5308 if (a & (RANGE|COUNT))
5309 {
5310 if (a & COUNT)
5311 {
5312 /* -count=N */
5313 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5314 len += (int)STRLEN(IObuff + len);
5315 }
5316 else if (a & DFLALL)
5317 IObuff[len++] = '%';
5318 else if (cmd->uc_def >= 0)
5319 {
5320 /* -range=N */
5321 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5322 len += (int)STRLEN(IObuff + len);
5323 }
5324 else
5325 IObuff[len++] = '.';
5326 }
5327
5328 do {
5329 IObuff[len++] = ' ';
5330 } while (len < 11);
5331
5332 /* Completion */
5333 for (j = 0; command_complete[j].expand != 0; ++j)
5334 if (command_complete[j].expand == cmd->uc_compl)
5335 {
5336 STRCPY(IObuff + len, command_complete[j].name);
5337 len += (int)STRLEN(IObuff + len);
5338 break;
5339 }
5340
5341 do {
5342 IObuff[len++] = ' ';
5343 } while (len < 21);
5344
5345 IObuff[len] = '\0';
5346 msg_outtrans(IObuff);
5347
5348 msg_outtrans_special(cmd->uc_rep, FALSE);
5349 #ifdef FEAT_EVAL
5350 if (p_verbose > 0)
5351 last_set_msg(cmd->uc_scriptID);
5352 #endif
5353 out_flush();
5354 ui_breakcheck();
5355 if (got_int)
5356 break;
5357 }
5358 if (gap == &ucmds || i < gap->ga_len)
5359 break;
5360 gap = &ucmds;
5361 }
5362
5363 if (!found)
5364 MSG(_("No user-defined commands found"));
5365 }
5366
5367 static char_u *
5368 uc_fun_cmd()
5369 {
5370 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5371 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5372 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5373 0xb9, 0x7f, 0};
5374 int i;
5375
5376 for (i = 0; fcmd[i]; ++i)
5377 IObuff[i] = fcmd[i] - 0x40;
5378 IObuff[i] = 0;
5379 return IObuff;
5380 }
5381
5382 static int
5383 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5384 char_u *attr;
5385 size_t len;
5386 long *argt;
5387 long *def;
5388 int *flags;
5389 int *compl;
5390 char_u **compl_arg;
5391 {
5392 char_u *p;
5393
5394 if (len == 0)
5395 {
5396 EMSG(_("E175: No attribute specified"));
5397 return FAIL;
5398 }
5399
5400 /* First, try the simple attributes (no arguments) */
5401 if (STRNICMP(attr, "bang", len) == 0)
5402 *argt |= BANG;
5403 else if (STRNICMP(attr, "buffer", len) == 0)
5404 *flags |= UC_BUFFER;
5405 else if (STRNICMP(attr, "register", len) == 0)
5406 *argt |= REGSTR;
5407 else if (STRNICMP(attr, "bar", len) == 0)
5408 *argt |= TRLBAR;
5409 else
5410 {
5411 int i;
5412 char_u *val = NULL;
5413 size_t vallen = 0;
5414 size_t attrlen = len;
5415
5416 /* Look for the attribute name - which is the part before any '=' */
5417 for (i = 0; i < (int)len; ++i)
5418 {
5419 if (attr[i] == '=')
5420 {
5421 val = &attr[i + 1];
5422 vallen = len - i - 1;
5423 attrlen = i;
5424 break;
5425 }
5426 }
5427
5428 if (STRNICMP(attr, "nargs", attrlen) == 0)
5429 {
5430 if (vallen == 1)
5431 {
5432 if (*val == '0')
5433 /* Do nothing - this is the default */;
5434 else if (*val == '1')
5435 *argt |= (EXTRA | NOSPC | NEEDARG);
5436 else if (*val == '*')
5437 *argt |= EXTRA;
5438 else if (*val == '?')
5439 *argt |= (EXTRA | NOSPC);
5440 else if (*val == '+')
5441 *argt |= (EXTRA | NEEDARG);
5442 else
5443 goto wrong_nargs;
5444 }
5445 else
5446 {
5447 wrong_nargs:
5448 EMSG(_("E176: Invalid number of arguments"));
5449 return FAIL;
5450 }
5451 }
5452 else if (STRNICMP(attr, "range", attrlen) == 0)
5453 {
5454 *argt |= RANGE;
5455 if (vallen == 1 && *val == '%')
5456 *argt |= DFLALL;
5457 else if (val != NULL)
5458 {
5459 p = val;
5460 if (*def >= 0)
5461 {
5462 two_count:
5463 EMSG(_("E177: Count cannot be specified twice"));
5464 return FAIL;
5465 }
5466
5467 *def = getdigits(&p);
5468 *argt |= (ZEROR | NOTADR);
5469
5470 if (p != val + vallen || vallen == 0)
5471 {
5472 invalid_count:
5473 EMSG(_("E178: Invalid default value for count"));
5474 return FAIL;
5475 }
5476 }
5477 }
5478 else if (STRNICMP(attr, "count", attrlen) == 0)
5479 {
5480 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5481
5482 if (val != NULL)
5483 {
5484 p = val;
5485 if (*def >= 0)
5486 goto two_count;
5487
5488 *def = getdigits(&p);
5489
5490 if (p != val + vallen)
5491 goto invalid_count;
5492 }
5493
5494 if (*def < 0)
5495 *def = 0;
5496 }
5497 else if (STRNICMP(attr, "complete", attrlen) == 0)
5498 {
5499 if (val == NULL)
5500 {
5501 EMSG(_("E179: argument required for -complete"));
5502 return FAIL;
5503 }
5504
5505 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5506 == FAIL)
5507 return FAIL;
5508 }
5509 else
5510 {
5511 char_u ch = attr[len];
5512 attr[len] = '\0';
5513 EMSG2(_("E181: Invalid attribute: %s"), attr);
5514 attr[len] = ch;
5515 return FAIL;
5516 }
5517 }
5518
5519 return OK;
5520 }
5521
5522 /*
5523 * ":command ..."
5524 */
5525 static void
5526 ex_command(eap)
5527 exarg_T *eap;
5528 {
5529 char_u *name;
5530 char_u *end;
5531 char_u *p;
5532 long argt = 0;
5533 long def = -1;
5534 int flags = 0;
5535 int compl = EXPAND_NOTHING;
5536 char_u *compl_arg = NULL;
5537 int has_attr = (eap->arg[0] == '-');
5538
5539 p = eap->arg;
5540
5541 /* Check for attributes */
5542 while (*p == '-')
5543 {
5544 ++p;
5545 end = skiptowhite(p);
5546 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5547 == FAIL)
5548 return;
5549 p = skipwhite(end);
5550 }
5551
5552 /* Get the name (if any) and skip to the following argument */
5553 name = p;
5554 if (ASCII_ISALPHA(*p))
5555 while (ASCII_ISALNUM(*p))
5556 ++p;
5557 if (!ends_excmd(*p) && !vim_iswhite(*p))
5558 {
5559 EMSG(_("E182: Invalid command name"));
5560 return;
5561 }
5562 end = p;
5563
5564 /* If there is nothing after the name, and no attributes were specified,
5565 * we are listing commands
5566 */
5567 p = skipwhite(end);
5568 if (!has_attr && ends_excmd(*p))
5569 {
5570 uc_list(name, end - name);
5571 }
5572 else if (!ASCII_ISUPPER(*name))
5573 {
5574 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5575 return;
5576 }
5577 else
5578 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5579 eap->forceit);
5580 }
5581
5582 /*
5583 * ":comclear"
5584 * Clear all user commands, global and for current buffer.
5585 */
5586 /*ARGSUSED*/
5587 void
5588 ex_comclear(eap)
5589 exarg_T *eap;
5590 {
5591 uc_clear(&ucmds);
5592 uc_clear(&curbuf->b_ucmds);
5593 }
5594
5595 /*
5596 * Clear all user commands for "gap".
5597 */
5598 void
5599 uc_clear(gap)
5600 garray_T *gap;
5601 {
5602 int i;
5603 ucmd_T *cmd;
5604
5605 for (i = 0; i < gap->ga_len; ++i)
5606 {
5607 cmd = USER_CMD_GA(gap, i);
5608 vim_free(cmd->uc_name);
5609 vim_free(cmd->uc_rep);
5610 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5611 vim_free(cmd->uc_compl_arg);
5612 # endif
5613 }
5614 ga_clear(gap);
5615 }
5616
5617 static void
5618 ex_delcommand(eap)
5619 exarg_T *eap;
5620 {
5621 int i = 0;
5622 ucmd_T *cmd = NULL;
5623 int cmp = -1;
5624 garray_T *gap;
5625
5626 gap = &curbuf->b_ucmds;
5627 for (;;)
5628 {
5629 for (i = 0; i < gap->ga_len; ++i)
5630 {
5631 cmd = USER_CMD_GA(gap, i);
5632 cmp = STRCMP(eap->arg, cmd->uc_name);
5633 if (cmp <= 0)
5634 break;
5635 }
5636 if (gap == &ucmds || cmp == 0)
5637 break;
5638 gap = &ucmds;
5639 }
5640
5641 if (cmp != 0)
5642 {
5643 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5644 return;
5645 }
5646
5647 vim_free(cmd->uc_name);
5648 vim_free(cmd->uc_rep);
5649 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5650 vim_free(cmd->uc_compl_arg);
5651 # endif
5652
5653 --gap->ga_len;
5654
5655 if (i < gap->ga_len)
5656 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5657 }
5658
5659 /*
5660 * split and quote args for <f-args>
5661 */
5662 static char_u *
5663 uc_split_args(arg, lenp)
5664 char_u *arg;
5665 size_t *lenp;
5666 {
5667 char_u *buf;
5668 char_u *p;
5669 char_u *q;
5670 int len;
5671
5672 /* Precalculate length */
5673 p = arg;
5674 len = 2; /* Initial and final quotes */
5675
5676 while (*p)
5677 {
5678 if (p[0] == '\\' && p[1] == '\\')
5679 {
5680 len += 2;
5681 p += 2;
5682 }
5683 else if (p[0] == '\\' && vim_iswhite(p[1]))
5684 {
5685 len += 1;
5686 p += 2;
5687 }
5688 else if (*p == '\\' || *p == '"')
5689 {
5690 len += 2;
5691 p += 1;
5692 }
5693 else if (vim_iswhite(*p))
5694 {
5695 p = skipwhite(p);
5696 if (*p == NUL)
5697 break;
5698 len += 3; /* "," */
5699 }
5700 else
5701 {
5702 ++len;
5703 ++p;
5704 }
5705 }
5706
5707 buf = alloc(len + 1);
5708 if (buf == NULL)
5709 {
5710 *lenp = 0;
5711 return buf;
5712 }
5713
5714 p = arg;
5715 q = buf;
5716 *q++ = '"';
5717 while (*p)
5718 {
5719 if (p[0] == '\\' && p[1] == '\\')
5720 {
5721 *q++ = '\\';
5722 *q++ = '\\';
5723 p += 2;
5724 }
5725 else if (p[0] == '\\' && vim_iswhite(p[1]))
5726 {
5727 *q++ = p[1];
5728 p += 2;
5729 }
5730 else if (*p == '\\' || *p == '"')
5731 {
5732 *q++ = '\\';
5733 *q++ = *p++;
5734 }
5735 else if (vim_iswhite(*p))
5736 {
5737 p = skipwhite(p);
5738 if (*p == NUL)
5739 break;
5740 *q++ = '"';
5741 *q++ = ',';
5742 *q++ = '"';
5743 }
5744 else
5745 {
5746 *q++ = *p++;
5747 }
5748 }
5749 *q++ = '"';
5750 *q = 0;
5751
5752 *lenp = len;
5753 return buf;
5754 }
5755
5756 /*
5757 * Check for a <> code in a user command.
5758 * "code" points to the '<'. "len" the length of the <> (inclusive).
5759 * "buf" is where the result is to be added.
5760 * "split_buf" points to a buffer used for splitting, caller should free it.
5761 * "split_len" is the length of what "split_buf" contains.
5762 * Returns the length of the replacement, which has been added to "buf".
5763 * Returns -1 if there was no match, and only the "<" has been copied.
5764 */
5765 static size_t
5766 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5767 char_u *code;
5768 size_t len;
5769 char_u *buf;
5770 ucmd_T *cmd; /* the user command we're expanding */
5771 exarg_T *eap; /* ex arguments */
5772 char_u **split_buf;
5773 size_t *split_len;
5774 {
5775 size_t result = 0;
5776 char_u *p = code + 1;
5777 size_t l = len - 2;
5778 int quote = 0;
5779 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5780 ct_LT, ct_NONE } type = ct_NONE;
5781
5782 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5783 {
5784 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5785 p += 2;
5786 l -= 2;
5787 }
5788
5789 ++l;
5790 if (l <= 1)
5791 type = ct_NONE;
5792 else if (STRNICMP(p, "args>", l) == 0)
5793 type = ct_ARGS;
5794 else if (STRNICMP(p, "bang>", l) == 0)
5795 type = ct_BANG;
5796 else if (STRNICMP(p, "count>", l) == 0)
5797 type = ct_COUNT;
5798 else if (STRNICMP(p, "line1>", l) == 0)
5799 type = ct_LINE1;
5800 else if (STRNICMP(p, "line2>", l) == 0)
5801 type = ct_LINE2;
5802 else if (STRNICMP(p, "lt>", l) == 0)
5803 type = ct_LT;
5804 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5805 type = ct_REGISTER;
5806
5807 switch (type)
5808 {
5809 case ct_ARGS:
5810 /* Simple case first */
5811 if (*eap->arg == NUL)
5812 {
5813 if (quote == 1)
5814 {
5815 result = 2;
5816 if (buf != NULL)
5817 STRCPY(buf, "''");
5818 }
5819 else
5820 result = 0;
5821 break;
5822 }
5823
5824 /* When specified there is a single argument don't split it.
5825 * Works for ":Cmd %" when % is "a b c". */
5826 if ((eap->argt & NOSPC) && quote == 2)
5827 quote = 1;
5828
5829 switch (quote)
5830 {
5831 case 0: /* No quoting, no splitting */
5832 result = STRLEN(eap->arg);
5833 if (buf != NULL)
5834 STRCPY(buf, eap->arg);
5835 break;
5836 case 1: /* Quote, but don't split */
5837 result = STRLEN(eap->arg) + 2;
5838 for (p = eap->arg; *p; ++p)
5839 {
5840 if (*p == '\\' || *p == '"')
5841 ++result;
5842 }
5843
5844 if (buf != NULL)
5845 {
5846 *buf++ = '"';
5847 for (p = eap->arg; *p; ++p)
5848 {
5849 if (*p == '\\' || *p == '"')
5850 *buf++ = '\\';
5851 *buf++ = *p;
5852 }
5853 *buf = '"';
5854 }
5855
5856 break;
5857 case 2: /* Quote and split (<f-args>) */
5858 /* This is hard, so only do it once, and cache the result */
5859 if (*split_buf == NULL)
5860 *split_buf = uc_split_args(eap->arg, split_len);
5861
5862 result = *split_len;
5863 if (buf != NULL && result != 0)
5864 STRCPY(buf, *split_buf);
5865
5866 break;
5867 }
5868 break;
5869
5870 case ct_BANG:
5871 result = eap->forceit ? 1 : 0;
5872 if (quote)
5873 result += 2;
5874 if (buf != NULL)
5875 {
5876 if (quote)
5877 *buf++ = '"';
5878 if (eap->forceit)
5879 *buf++ = '!';
5880 if (quote)
5881 *buf = '"';
5882 }
5883 break;
5884
5885 case ct_LINE1:
5886 case ct_LINE2:
5887 case ct_COUNT:
5888 {
5889 char num_buf[20];
5890 long num = (type == ct_LINE1) ? eap->line1 :
5891 (type == ct_LINE2) ? eap->line2 :
5892 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5893 size_t num_len;
5894
5895 sprintf(num_buf, "%ld", num);
5896 num_len = STRLEN(num_buf);
5897 result = num_len;
5898
5899 if (quote)
5900 result += 2;
5901
5902 if (buf != NULL)
5903 {
5904 if (quote)
5905 *buf++ = '"';
5906 STRCPY(buf, num_buf);
5907 buf += num_len;
5908 if (quote)
5909 *buf = '"';
5910 }
5911
5912 break;
5913 }
5914
5915 case ct_REGISTER:
5916 result = eap->regname ? 1 : 0;
5917 if (quote)
5918 result += 2;
5919 if (buf != NULL)
5920 {
5921 if (quote)
5922 *buf++ = '\'';
5923 if (eap->regname)
5924 *buf++ = eap->regname;
5925 if (quote)
5926 *buf = '\'';
5927 }
5928 break;
5929
5930 case ct_LT:
5931 result = 1;
5932 if (buf != NULL)
5933 *buf = '<';
5934 break;
5935
5936 default:
5937 /* Not recognized: just copy the '<' and return -1. */
5938 result = (size_t)-1;
5939 if (buf != NULL)
5940 *buf = '<';
5941 break;
5942 }
5943
5944 return result;
5945 }
5946
5947 static void
5948 do_ucmd(eap)
5949 exarg_T *eap;
5950 {
5951 char_u *buf;
5952 char_u *p;
5953 char_u *q;
5954
5955 char_u *start;
5956 char_u *end = NULL;
5957 char_u *ksp;
5958 size_t len, totlen;
5959
5960 size_t split_len = 0;
5961 char_u *split_buf = NULL;
5962 ucmd_T *cmd;
5963 #ifdef FEAT_EVAL
5964 scid_T save_current_SID = current_SID;
5965 #endif
5966
5967 if (eap->cmdidx == CMD_USER)
5968 cmd = USER_CMD(eap->useridx);
5969 else
5970 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5971
5972 /*
5973 * Replace <> in the command by the arguments.
5974 * First round: "buf" is NULL, compute length, allocate "buf".
5975 * Second round: copy result into "buf".
5976 */
5977 buf = NULL;
5978 for (;;)
5979 {
5980 p = cmd->uc_rep; /* source */
5981 q = buf; /* destination */
5982 totlen = 0;
5983
5984 for (;;)
5985 {
5986 start = vim_strchr(p, '<');
5987 if (start != NULL)
5988 end = vim_strchr(start + 1, '>');
5989 if (buf != NULL)
5990 {
5991 ksp = vim_strchr(p, K_SPECIAL);
5992 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5993 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5994 # ifdef FEAT_GUI
5995 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5996 # endif
5997 ))
5998 {
5999 /* K_SPECIAL han been put in the buffer as K_SPECIAL
6000 * KS_SPECIAL KE_FILLER, like for mappings, but
6001 * do_cmdline() doesn't handle that, so convert it back.
6002 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
6003 len = ksp - p;
6004 if (len > 0)
6005 {
6006 mch_memmove(q, p, len);
6007 q += len;
6008 }
6009 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6010 p = ksp + 3;
6011 continue;
6012 }
6013 }
6014
6015 /* break if there no <item> is found */
6016 if (start == NULL || end == NULL)
6017 break;
6018
6019 /* Include the '>' */
6020 ++end;
6021
6022 /* Take everything up to the '<' */
6023 len = start - p;
6024 if (buf == NULL)
6025 totlen += len;
6026 else
6027 {
6028 mch_memmove(q, p, len);
6029 q += len;
6030 }
6031
6032 len = uc_check_code(start, end - start, q, cmd, eap,
6033 &split_buf, &split_len);
6034 if (len == (size_t)-1)
6035 {
6036 /* no match, continue after '<' */
6037 p = start + 1;
6038 len = 1;
6039 }
6040 else
6041 p = end;
6042 if (buf == NULL)
6043 totlen += len;
6044 else
6045 q += len;
6046 }
6047 if (buf != NULL) /* second time here, finished */
6048 {
6049 STRCPY(q, p);
6050 break;
6051 }
6052
6053 totlen += STRLEN(p); /* Add on the trailing characters */
6054 buf = alloc((unsigned)(totlen + 1));
6055 if (buf == NULL)
6056 {
6057 vim_free(split_buf);
6058 return;
6059 }
6060 }
6061
6062 #ifdef FEAT_EVAL
6063 current_SID = cmd->uc_scriptID;
6064 #endif
6065 (void)do_cmdline(buf, eap->getline, eap->cookie,
6066 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6067 #ifdef FEAT_EVAL
6068 current_SID = save_current_SID;
6069 #endif
6070 vim_free(buf);
6071 vim_free(split_buf);
6072 }
6073
6074 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6075 static char_u *
6076 get_user_command_name(idx)
6077 int idx;
6078 {
6079 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6080 }
6081
6082 /*
6083 * Function given to ExpandGeneric() to obtain the list of user command names.
6084 */
6085 /*ARGSUSED*/
6086 char_u *
6087 get_user_commands(xp, idx)
6088 expand_T *xp;
6089 int idx;
6090 {
6091 if (idx < curbuf->b_ucmds.ga_len)
6092 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6093 idx -= curbuf->b_ucmds.ga_len;
6094 if (idx < ucmds.ga_len)
6095 return USER_CMD(idx)->uc_name;
6096 return NULL;
6097 }
6098
6099 /*
6100 * Function given to ExpandGeneric() to obtain the list of user command
6101 * attributes.
6102 */
6103 /*ARGSUSED*/
6104 char_u *
6105 get_user_cmd_flags(xp, idx)
6106 expand_T *xp;
6107 int idx;
6108 {
6109 static char *user_cmd_flags[] =
6110 {"bang", "bar", "buffer", "complete", "count",
6111 "nargs", "range", "register"};
6112
6113 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6114 return NULL;
6115 return (char_u *)user_cmd_flags[idx];
6116 }
6117
6118 /*
6119 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6120 */
6121 /*ARGSUSED*/
6122 char_u *
6123 get_user_cmd_nargs(xp, idx)
6124 expand_T *xp;
6125 int idx;
6126 {
6127 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6128
6129 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6130 return NULL;
6131 return (char_u *)user_cmd_nargs[idx];
6132 }
6133
6134 /*
6135 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6136 */
6137 /*ARGSUSED*/
6138 char_u *
6139 get_user_cmd_complete(xp, idx)
6140 expand_T *xp;
6141 int idx;
6142 {
6143 return (char_u *)command_complete[idx].name;
6144 }
6145 # endif /* FEAT_CMDL_COMPL */
6146
6147 #endif /* FEAT_USR_CMDS */
6148
6149 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6150 /*
6151 * Parse a completion argument "value[vallen]".
6152 * The detected completion goes in "*complp", argument type in "*argt".
6153 * When there is an argument, for function and user defined completion, it's
6154 * copied to allocated memory and stored in "*compl_arg".
6155 * Returns FAIL if something is wrong.
6156 */
6157 int
6158 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6159 char_u *value;
6160 int vallen;
6161 int *complp;
6162 long *argt;
6163 char_u **compl_arg;
6164 {
6165 char_u *arg = NULL;
6166 size_t arglen = 0;
6167 int i;
6168 int valend = vallen;
6169
6170 /* Look for any argument part - which is the part after any ',' */
6171 for (i = 0; i < vallen; ++i)
6172 {
6173 if (value[i] == ',')
6174 {
6175 arg = &value[i + 1];
6176 arglen = vallen - i - 1;
6177 valend = i;
6178 break;
6179 }
6180 }
6181
6182 for (i = 0; command_complete[i].expand != 0; ++i)
6183 {
6184 if ((int)STRLEN(command_complete[i].name) == valend
6185 && STRNCMP(value, command_complete[i].name, valend) == 0)
6186 {
6187 *complp = command_complete[i].expand;
6188 if (command_complete[i].expand == EXPAND_BUFFERS)
6189 *argt |= BUFNAME;
6190 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6191 || command_complete[i].expand == EXPAND_FILES)
6192 *argt |= XFILE;
6193 break;
6194 }
6195 }
6196
6197 if (command_complete[i].expand == 0)
6198 {
6199 EMSG2(_("E180: Invalid complete value: %s"), value);
6200 return FAIL;
6201 }
6202
6203 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6204 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6205 && arg != NULL)
6206 # else
6207 if (arg != NULL)
6208 # endif
6209 {
6210 EMSG(_("E468: Completion argument only allowed for custom completion"));
6211 return FAIL;
6212 }
6213
6214 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6215 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6216 && arg == NULL)
6217 {
6218 EMSG(_("E467: Custom completion requires a function argument"));
6219 return FAIL;
6220 }
6221
6222 if (arg != NULL)
6223 *compl_arg = vim_strnsave(arg, (int)arglen);
6224 # endif
6225 return OK;
6226 }
6227 #endif
6228
6229 static void
6230 ex_colorscheme(eap)
6231 exarg_T *eap;
6232 {
6233 if (load_colors(eap->arg) == FAIL)
6234 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6235 }
6236
6237 static void
6238 ex_highlight(eap)
6239 exarg_T *eap;
6240 {
6241 if (*eap->arg == NUL && eap->cmd[2] == '!')
6242 MSG(_("Greetings, Vim user!"));
6243 do_highlight(eap->arg, eap->forceit, FALSE);
6244 }
6245
6246
6247 /*
6248 * Call this function if we thought we were going to exit, but we won't
6249 * (because of an error). May need to restore the terminal mode.
6250 */
6251 void
6252 not_exiting()
6253 {
6254 exiting = FALSE;
6255 settmode(TMODE_RAW);
6256 }
6257
6258 /*
6259 * ":quit": quit current window, quit Vim if closed the last window.
6260 */
6261 static void
6262 ex_quit(eap)
6263 exarg_T *eap;
6264 {
6265 #ifdef FEAT_CMDWIN
6266 if (cmdwin_type != 0)
6267 {
6268 cmdwin_result = Ctrl_C;
6269 return;
6270 }
6271 #endif
6272 /* Don't quit while editing the command line. */
6273 if (text_locked())
6274 {
6275 text_locked_msg();
6276 return;
6277 }
6278 #ifdef FEAT_AUTOCMD
6279 if (curbuf_locked())
6280 return;
6281 #endif
6282
6283 #ifdef FEAT_NETBEANS_INTG
6284 netbeansForcedQuit = eap->forceit;
6285 #endif
6286
6287 /*
6288 * If there are more files or windows we won't exit.
6289 */
6290 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6291 exiting = TRUE;
6292 if ((!P_HID(curbuf)
6293 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6294 || check_more(TRUE, eap->forceit) == FAIL
6295 || (only_one_window() && check_changed_any(eap->forceit)))
6296 {
6297 not_exiting();
6298 }
6299 else
6300 {
6301 #ifdef FEAT_WINDOWS
6302 if (only_one_window()) /* quit last window */
6303 #endif
6304 getout(0);
6305 #ifdef FEAT_WINDOWS
6306 # ifdef FEAT_GUI
6307 need_mouse_correct = TRUE;
6308 # endif
6309 /* close window; may free buffer */
6310 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6311 #endif
6312 }
6313 }
6314
6315 /*
6316 * ":cquit".
6317 */
6318 /*ARGSUSED*/
6319 static void
6320 ex_cquit(eap)
6321 exarg_T *eap;
6322 {
6323 getout(1); /* this does not always pass on the exit code to the Manx
6324 compiler. why? */
6325 }
6326
6327 /*
6328 * ":qall": try to quit all windows
6329 */
6330 static void
6331 ex_quit_all(eap)
6332 exarg_T *eap;
6333 {
6334 # ifdef FEAT_CMDWIN
6335 if (cmdwin_type != 0)
6336 {
6337 if (eap->forceit)
6338 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6339 else
6340 cmdwin_result = K_XF2;
6341 return;
6342 }
6343 # endif
6344
6345 /* Don't quit while editing the command line. */
6346 if (text_locked())
6347 {
6348 text_locked_msg();
6349 return;
6350 }
6351 #ifdef FEAT_AUTOCMD
6352 if (curbuf_locked())
6353 return;
6354 #endif
6355
6356 exiting = TRUE;
6357 if (eap->forceit || !check_changed_any(FALSE))
6358 getout(0);
6359 not_exiting();
6360 }
6361
6362 #if defined(FEAT_WINDOWS) || defined(PROTO)
6363 /*
6364 * ":close": close current window, unless it is the last one
6365 */
6366 static void
6367 ex_close(eap)
6368 exarg_T *eap;
6369 {
6370 # ifdef FEAT_CMDWIN
6371 if (cmdwin_type != 0)
6372 cmdwin_result = K_IGNORE;
6373 else
6374 # endif
6375 if (!text_locked()
6376 #ifdef FEAT_AUTOCMD
6377 && !curbuf_locked()
6378 #endif
6379 )
6380 ex_win_close(eap->forceit, curwin, NULL);
6381 }
6382
6383 # ifdef FEAT_QUICKFIX
6384 /*
6385 * ":pclose": Close any preview window.
6386 */
6387 static void
6388 ex_pclose(eap)
6389 exarg_T *eap;
6390 {
6391 win_T *win;
6392
6393 for (win = firstwin; win != NULL; win = win->w_next)
6394 if (win->w_p_pvw)
6395 {
6396 ex_win_close(eap->forceit, win, NULL);
6397 break;
6398 }
6399 }
6400 # endif
6401
6402 /*
6403 * Close window "win" and take care of handling closing the last window for a
6404 * modified buffer.
6405 */
6406 static void
6407 ex_win_close(forceit, win, tp)
6408 int forceit;
6409 win_T *win;
6410 tabpage_T *tp; /* NULL or the tab page "win" is in */
6411 {
6412 int need_hide;
6413 buf_T *buf = win->w_buffer;
6414
6415 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6416 if (need_hide && !P_HID(buf) && !forceit)
6417 {
6418 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6419 if ((p_confirm || cmdmod.confirm) && p_write)
6420 {
6421 dialog_changed(buf, FALSE);
6422 if (buf_valid(buf) && bufIsChanged(buf))
6423 return;
6424 need_hide = FALSE;
6425 }
6426 else
6427 # endif
6428 {
6429 EMSG(_(e_nowrtmsg));
6430 return;
6431 }
6432 }
6433
6434 # ifdef FEAT_GUI
6435 need_mouse_correct = TRUE;
6436 # endif
6437
6438 /* free buffer when not hiding it or when it's a scratch buffer */
6439 if (tp == NULL)
6440 win_close(win, !need_hide && !P_HID(buf));
6441 else
6442 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6443 }
6444
6445 /*
6446 * ":tabclose": close current tab page, unless it is the last one.
6447 * ":tabclose N": close tab page N.
6448 */
6449 static void
6450 ex_tabclose(eap)
6451 exarg_T *eap;
6452 {
6453 tabpage_T *tp;
6454
6455 # ifdef FEAT_CMDWIN
6456 if (cmdwin_type != 0)
6457 cmdwin_result = K_IGNORE;
6458 else
6459 # endif
6460 if (first_tabpage->tp_next == NULL)
6461 EMSG(_("E784: Cannot close last tab page"));
6462 else
6463 {
6464 if (eap->addr_count > 0)
6465 {
6466 tp = find_tabpage((int)eap->line2);
6467 if (tp == NULL)
6468 {
6469 beep_flush();
6470 return;
6471 }
6472 if (tp != curtab)
6473 {
6474 tabpage_close_other(tp, eap->forceit);
6475 return;
6476 }
6477 }
6478 if (!text_locked()
6479 #ifdef FEAT_AUTOCMD
6480 && !curbuf_locked()
6481 #endif
6482 )
6483 tabpage_close(eap->forceit);
6484 }
6485 }
6486
6487 /*
6488 * ":tabonly": close all tab pages except the current one
6489 */
6490 static void
6491 ex_tabonly(eap)
6492 exarg_T *eap;
6493 {
6494 tabpage_T *tp;
6495 int done;
6496
6497 # ifdef FEAT_CMDWIN
6498 if (cmdwin_type != 0)
6499 cmdwin_result = K_IGNORE;
6500 else
6501 # endif
6502 if (first_tabpage->tp_next == NULL)
6503 MSG(_("Already only one tab page"));
6504 else
6505 {
6506 /* Repeat this up to a 1000 times, because autocommands may mess
6507 * up the lists. */
6508 for (done = 0; done < 1000; ++done)
6509 {
6510 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6511 if (tp->tp_topframe != topframe)
6512 {
6513 tabpage_close_other(tp, eap->forceit);
6514 /* if we failed to close it quit */
6515 if (valid_tabpage(tp))
6516 done = 1000;
6517 /* start over, "tp" is now invalid */
6518 break;
6519 }
6520 if (first_tabpage->tp_next == NULL)
6521 break;
6522 }
6523 }
6524 }
6525
6526 /*
6527 * Close the current tab page.
6528 */
6529 void
6530 tabpage_close(forceit)
6531 int forceit;
6532 {
6533 /* First close all the windows but the current one. If that worked then
6534 * close the last window in this tab, that will close it. */
6535 if (lastwin != firstwin)
6536 close_others(TRUE, forceit);
6537 if (lastwin == firstwin)
6538 ex_win_close(forceit, curwin, NULL);
6539 # ifdef FEAT_GUI
6540 need_mouse_correct = TRUE;
6541 # endif
6542 }
6543
6544 /*
6545 * Close tab page "tp", which is not the current tab page.
6546 * Note that autocommands may make "tp" invalid.
6547 * Also takes care of the tab pages line disappearing when closing the
6548 * last-but-one tab page.
6549 */
6550 void
6551 tabpage_close_other(tp, forceit)
6552 tabpage_T *tp;
6553 int forceit;
6554 {
6555 int done = 0;
6556 win_T *wp;
6557 int h = tabline_height();
6558
6559 /* Limit to 1000 windows, autocommands may add a window while we close
6560 * one. OK, so I'm paranoid... */
6561 while (++done < 1000)
6562 {
6563 wp = tp->tp_firstwin;
6564 ex_win_close(forceit, wp, tp);
6565
6566 /* Autocommands may delete the tab page under our fingers and we may
6567 * fail to close a window with a modified buffer. */
6568 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6569 break;
6570 }
6571
6572 redraw_tabline = TRUE;
6573 if (h != tabline_height())
6574 shell_new_rows();
6575 }
6576
6577 /*
6578 * ":only".
6579 */
6580 static void
6581 ex_only(eap)
6582 exarg_T *eap;
6583 {
6584 # ifdef FEAT_GUI
6585 need_mouse_correct = TRUE;
6586 # endif
6587 close_others(TRUE, eap->forceit);
6588 }
6589
6590 /*
6591 * ":all" and ":sall".
6592 * Also used for ":tab drop file ..." after setting the argument list.
6593 */
6594 void
6595 ex_all(eap)
6596 exarg_T *eap;
6597 {
6598 if (eap->addr_count == 0)
6599 eap->line2 = 9999;
6600 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6601 }
6602 #endif /* FEAT_WINDOWS */
6603
6604 static void
6605 ex_hide(eap)
6606 exarg_T *eap;
6607 {
6608 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6609 eap->errmsg = e_invarg;
6610 else
6611 {
6612 /* ":hide" or ":hide | cmd": hide current window */
6613 eap->nextcmd = check_nextcmd(eap->arg);
6614 #ifdef FEAT_WINDOWS
6615 if (!eap->skip)
6616 {
6617 # ifdef FEAT_GUI
6618 need_mouse_correct = TRUE;
6619 # endif
6620 win_close(curwin, FALSE); /* don't free buffer */
6621 }
6622 #endif
6623 }
6624 }
6625
6626 /*
6627 * ":stop" and ":suspend": Suspend Vim.
6628 */
6629 static void
6630 ex_stop(eap)
6631 exarg_T *eap;
6632 {
6633 /*
6634 * Disallow suspending for "rvim".
6635 */
6636 if (!check_restricted()
6637 #ifdef WIN3264
6638 /*
6639 * Check if external commands are allowed now.
6640 */
6641 && can_end_termcap_mode(TRUE)
6642 #endif
6643 )
6644 {
6645 if (!eap->forceit)
6646 autowrite_all();
6647 windgoto((int)Rows - 1, 0);
6648 out_char('\n');
6649 out_flush();
6650 stoptermcap();
6651 out_flush(); /* needed for SUN to restore xterm buffer */
6652 #ifdef FEAT_TITLE
6653 mch_restore_title(3); /* restore window titles */
6654 #endif
6655 ui_suspend(); /* call machine specific function */
6656 #ifdef FEAT_TITLE
6657 maketitle();
6658 resettitle(); /* force updating the title */
6659 #endif
6660 starttermcap();
6661 scroll_start(); /* scroll screen before redrawing */
6662 redraw_later_clear();
6663 shell_resized(); /* may have resized window */
6664 }
6665 }
6666
6667 /*
6668 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6669 */
6670 static void
6671 ex_exit(eap)
6672 exarg_T *eap;
6673 {
6674 #ifdef FEAT_CMDWIN
6675 if (cmdwin_type != 0)
6676 {
6677 cmdwin_result = Ctrl_C;
6678 return;
6679 }
6680 #endif
6681 /* Don't quit while editing the command line. */
6682 if (text_locked())
6683 {
6684 text_locked_msg();
6685 return;
6686 }
6687 #ifdef FEAT_AUTOCMD
6688 if (curbuf_locked())
6689 return;
6690 #endif
6691
6692 /*
6693 * if more files or windows we won't exit
6694 */
6695 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6696 exiting = TRUE;
6697 if ( ((eap->cmdidx == CMD_wq
6698 || curbufIsChanged())
6699 && do_write(eap) == FAIL)
6700 || check_more(TRUE, eap->forceit) == FAIL
6701 || (only_one_window() && check_changed_any(eap->forceit)))
6702 {
6703 not_exiting();
6704 }
6705 else
6706 {
6707 #ifdef FEAT_WINDOWS
6708 if (only_one_window()) /* quit last window, exit Vim */
6709 #endif
6710 getout(0);
6711 #ifdef FEAT_WINDOWS
6712 # ifdef FEAT_GUI
6713 need_mouse_correct = TRUE;
6714 # endif
6715 /* quit current window, may free buffer */
6716 win_close(curwin, !P_HID(curwin->w_buffer));
6717 #endif
6718 }
6719 }
6720
6721 /*
6722 * ":print", ":list", ":number".
6723 */
6724 static void
6725 ex_print(eap)
6726 exarg_T *eap;
6727 {
6728 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6729 EMSG(_(e_emptybuf));
6730 else
6731 {
6732 for ( ;!got_int; ui_breakcheck())
6733 {
6734 print_line(eap->line1,
6735 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6736 || (eap->flags & EXFLAG_NR)),
6737 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6738 if (++eap->line1 > eap->line2)
6739 break;
6740 out_flush(); /* show one line at a time */
6741 }
6742 setpcmark();
6743 /* put cursor at last line */
6744 curwin->w_cursor.lnum = eap->line2;
6745 beginline(BL_SOL | BL_FIX);
6746 }
6747
6748 ex_no_reprint = TRUE;
6749 }
6750
6751 #ifdef FEAT_BYTEOFF
6752 static void
6753 ex_goto(eap)
6754 exarg_T *eap;
6755 {
6756 goto_byte(eap->line2);
6757 }
6758 #endif
6759
6760 /*
6761 * ":shell".
6762 */
6763 /*ARGSUSED*/
6764 static void
6765 ex_shell(eap)
6766 exarg_T *eap;
6767 {
6768 do_shell(NULL, 0);
6769 }
6770
6771 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6772 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6773 || defined(FEAT_GUI_MSWIN) \
6774 || defined(FEAT_GUI_MAC) \
6775 || defined(PROTO) \
6776 || defined(FEAT_GUI_MACVIM)
6777
6778 /*
6779 * Handle a file drop. The code is here because a drop is *nearly* like an
6780 * :args command, but not quite (we have a list of exact filenames, so we
6781 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6782 * code is very similar to :args and hence needs access to a lot of the static
6783 * functions in this file.
6784 *
6785 * The list should be allocated using alloc(), as should each item in the
6786 * list. This function takes over responsibility for freeing the list.
6787 *
6788 * XXX The list is made into the argument list. This is freed using
6789 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6790 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6791 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6792 * file functionality is (currently) not in EMX this is not presently a
6793 * problem.
6794 */
6795 void
6796 handle_drop(filec, filev, split)
6797 int filec; /* the number of files dropped */
6798 char_u **filev; /* the list of files dropped */
6799 int split; /* force splitting the window */
6800 {
6801 exarg_T ea;
6802 int save_msg_scroll = msg_scroll;
6803
6804 /* Postpone this while editing the command line. */
6805 if (text_locked())
6806 return;
6807 #ifdef FEAT_AUTOCMD
6808 if (curbuf_locked())
6809 return;
6810 #endif
6811 /* When the screen is being updated we should not change buffers and
6812 * windows structures, it may cause freed memory to be used. */
6813 if (updating_screen)
6814 return;
6815
6816 /* Check whether the current buffer is changed. If so, we will need
6817 * to split the current window or data could be lost.
6818 * We don't need to check if the 'hidden' option is set, as in this
6819 * case the buffer won't be lost.
6820 */
6821 if (!P_HID(curbuf) && !split)
6822 {
6823 ++emsg_off;
6824 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6825 --emsg_off;
6826 }
6827 if (split)
6828 {
6829 # ifdef FEAT_WINDOWS
6830 if (win_split(0, 0) == FAIL)
6831 return;
6832 # ifdef FEAT_SCROLLBIND
6833 curwin->w_p_scb = FALSE;
6834 # endif
6835
6836 /* When splitting the window, create a new alist. Otherwise the
6837 * existing one is overwritten. */
6838 alist_unlink(curwin->w_alist);
6839 alist_new();
6840 # else
6841 return; /* can't split, always fail */
6842 # endif
6843 }
6844
6845 /*
6846 * Set up the new argument list.
6847 */
6848 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6849
6850 /*
6851 * Move to the first file.
6852 */
6853 /* Fake up a minimal "next" command for do_argfile() */
6854 vim_memset(&ea, 0, sizeof(ea));
6855 ea.cmd = (char_u *)"next";
6856 do_argfile(&ea, 0);
6857
6858 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6859 * mode that is not needed here. */
6860 need_start_insertmode = FALSE;
6861
6862 /* Restore msg_scroll, otherwise a following command may cause scrolling
6863 * unexpectedly. The screen will be redrawn by the caller, thus
6864 * msg_scroll being set by displaying a message is irrelevant. */
6865 msg_scroll = save_msg_scroll;
6866 }
6867 #endif
6868
6869 /*
6870 * Clear an argument list: free all file names and reset it to zero entries.
6871 */
6872 void
6873 alist_clear(al)
6874 alist_T *al;
6875 {
6876 while (--al->al_ga.ga_len >= 0)
6877 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6878 ga_clear(&al->al_ga);
6879 }
6880
6881 /*
6882 * Init an argument list.
6883 */
6884 void
6885 alist_init(al)
6886 alist_T *al;
6887 {
6888 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6889 }
6890
6891 #if defined(FEAT_WINDOWS) || defined(PROTO)
6892
6893 /*
6894 * Remove a reference from an argument list.
6895 * Ignored when the argument list is the global one.
6896 * If the argument list is no longer used by any window, free it.
6897 */
6898 void
6899 alist_unlink(al)
6900 alist_T *al;
6901 {
6902 if (al != &global_alist && --al->al_refcount <= 0)
6903 {
6904 alist_clear(al);
6905 vim_free(al);
6906 }
6907 }
6908
6909 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6910 /*
6911 * Create a new argument list and use it for the current window.
6912 */
6913 void
6914 alist_new()
6915 {
6916 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6917 if (curwin->w_alist == NULL)
6918 {
6919 curwin->w_alist = &global_alist;
6920 ++global_alist.al_refcount;
6921 }
6922 else
6923 {
6924 curwin->w_alist->al_refcount = 1;
6925 alist_init(curwin->w_alist);
6926 }
6927 }
6928 # endif
6929 #endif
6930
6931 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6932 /*
6933 * Expand the file names in the global argument list.
6934 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6935 * numbers to be re-used.
6936 */
6937 void
6938 alist_expand(fnum_list, fnum_len)
6939 int *fnum_list;
6940 int fnum_len;
6941 {
6942 char_u **old_arg_files;
6943 int old_arg_count;
6944 char_u **new_arg_files;
6945 int new_arg_file_count;
6946 char_u *save_p_su = p_su;
6947 int i;
6948
6949 /* Don't use 'suffixes' here. This should work like the shell did the
6950 * expansion. Also, the vimrc file isn't read yet, thus the user
6951 * can't set the options. */
6952 p_su = empty_option;
6953 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6954 if (old_arg_files != NULL)
6955 {
6956 for (i = 0; i < GARGCOUNT; ++i)
6957 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6958 old_arg_count = GARGCOUNT;
6959 if (expand_wildcards(old_arg_count, old_arg_files,
6960 &new_arg_file_count, &new_arg_files,
6961 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6962 && new_arg_file_count > 0)
6963 {
6964 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6965 TRUE, fnum_list, fnum_len);
6966 FreeWild(old_arg_count, old_arg_files);
6967 }
6968 }
6969 p_su = save_p_su;
6970 }
6971 #endif
6972
6973 /*
6974 * Set the argument list for the current window.
6975 * Takes over the allocated files[] and the allocated fnames in it.
6976 */
6977 void
6978 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6979 alist_T *al;
6980 int count;
6981 char_u **files;
6982 int use_curbuf;
6983 int *fnum_list;
6984 int fnum_len;
6985 {
6986 int i;
6987
6988 alist_clear(al);
6989 if (ga_grow(&al->al_ga, count) == OK)
6990 {
6991 for (i = 0; i < count; ++i)
6992 {
6993 if (got_int)
6994 {
6995 /* When adding many buffers this can take a long time. Allow
6996 * interrupting here. */
6997 while (i < count)
6998 vim_free(files[i++]);
6999 break;
7000 }
7001
7002 /* May set buffer name of a buffer previously used for the
7003 * argument list, so that it's re-used by alist_add. */
7004 if (fnum_list != NULL && i < fnum_len)
7005 buf_set_name(fnum_list[i], files[i]);
7006
7007 alist_add(al, files[i], use_curbuf ? 2 : 1);
7008 ui_breakcheck();
7009 }
7010 vim_free(files);
7011 }
7012 else
7013 FreeWild(count, files);
7014 #ifdef FEAT_WINDOWS
7015 if (al == &global_alist)
7016 #endif
7017 arg_had_last = FALSE;
7018 }
7019
7020 /*
7021 * Add file "fname" to argument list "al".
7022 * "fname" must have been allocated and "al" must have been checked for room.
7023 */
7024 void
7025 alist_add(al, fname, set_fnum)
7026 alist_T *al;
7027 char_u *fname;
7028 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7029 {
7030 if (fname == NULL) /* don't add NULL file names */
7031 return;
7032 #ifdef BACKSLASH_IN_FILENAME
7033 slash_adjust(fname);
7034 #endif
7035 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7036 if (set_fnum > 0)
7037 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7038 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7039 ++al->al_ga.ga_len;
7040 }
7041
7042 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7043 /*
7044 * Adjust slashes in file names. Called after 'shellslash' was set.
7045 */
7046 void
7047 alist_slash_adjust()
7048 {
7049 int i;
7050 # ifdef FEAT_WINDOWS
7051 win_T *wp;
7052 tabpage_T *tp;
7053 # endif
7054
7055 for (i = 0; i < GARGCOUNT; ++i)
7056 if (GARGLIST[i].ae_fname != NULL)
7057 slash_adjust(GARGLIST[i].ae_fname);
7058 # ifdef FEAT_WINDOWS
7059 FOR_ALL_TAB_WINDOWS(tp, wp)
7060 if (wp->w_alist != &global_alist)
7061 for (i = 0; i < WARGCOUNT(wp); ++i)
7062 if (WARGLIST(wp)[i].ae_fname != NULL)
7063 slash_adjust(WARGLIST(wp)[i].ae_fname);
7064 # endif
7065 }
7066 #endif
7067
7068 /*
7069 * ":preserve".
7070 */
7071 /*ARGSUSED*/
7072 static void
7073 ex_preserve(eap)
7074 exarg_T *eap;
7075 {
7076 curbuf->b_flags |= BF_PRESERVED;
7077 ml_preserve(curbuf, TRUE);
7078 }
7079
7080 /*
7081 * ":recover".
7082 */
7083 static void
7084 ex_recover(eap)
7085 exarg_T *eap;
7086 {
7087 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7088 recoverymode = TRUE;
7089 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7090 && (*eap->arg == NUL
7091 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7092 ml_recover();
7093 recoverymode = FALSE;
7094 }
7095
7096 /*
7097 * Command modifier used in a wrong way.
7098 */
7099 static void
7100 ex_wrongmodifier(eap)
7101 exarg_T *eap;
7102 {
7103 eap->errmsg = e_invcmd;
7104 }
7105
7106 #ifdef FEAT_WINDOWS
7107 /*
7108 * :sview [+command] file split window with new file, read-only
7109 * :split [[+command] file] split window with current or new file
7110 * :vsplit [[+command] file] split window vertically with current or new file
7111 * :new [[+command] file] split window with no or new file
7112 * :vnew [[+command] file] split vertically window with no or new file
7113 * :sfind [+command] file split window with file in 'path'
7114 *
7115 * :tabedit open new Tab page with empty window
7116 * :tabedit [+command] file open new Tab page and edit "file"
7117 * :tabnew [[+command] file] just like :tabedit
7118 * :tabfind [+command] file open new Tab page and find "file"
7119 */
7120 void
7121 ex_splitview(eap)
7122 exarg_T *eap;
7123 {
7124 win_T *old_curwin = curwin;
7125 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7126 char_u *fname = NULL;
7127 # endif
7128 # ifdef FEAT_BROWSE
7129 int browse_flag = cmdmod.browse;
7130 # endif
7131
7132 # ifndef FEAT_VERTSPLIT
7133 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7134 {
7135 ex_ni(eap);
7136 return;
7137 }
7138 # endif
7139
7140 # ifdef FEAT_GUI
7141 need_mouse_correct = TRUE;
7142 # endif
7143
7144 # ifdef FEAT_QUICKFIX
7145 /* A ":split" in the quickfix window works like ":new". Don't want two
7146 * quickfix windows. But it's OK when doing ":tab split". */
7147 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7148 {
7149 if (eap->cmdidx == CMD_split)
7150 eap->cmdidx = CMD_new;
7151 # ifdef FEAT_VERTSPLIT
7152 if (eap->cmdidx == CMD_vsplit)
7153 eap->cmdidx = CMD_vnew;
7154 # endif
7155 }
7156 # endif
7157
7158 # ifdef FEAT_SEARCHPATH
7159 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7160 {
7161 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7162 FNAME_MESS, TRUE, curbuf->b_ffname);
7163 if (fname == NULL)
7164 goto theend;
7165 eap->arg = fname;
7166 }
7167 # ifdef FEAT_BROWSE
7168 else
7169 # endif
7170 # endif
7171 # ifdef FEAT_BROWSE
7172 if (cmdmod.browse
7173 # ifdef FEAT_VERTSPLIT
7174 && eap->cmdidx != CMD_vnew
7175 # endif
7176 && eap->cmdidx != CMD_new)
7177 {
7178 # ifdef FEAT_AUTOCMD
7179 if (
7180 # ifdef FEAT_GUI
7181 !gui.in_use &&
7182 # endif
7183 au_has_group((char_u *)"FileExplorer"))
7184 {
7185 /* No browsing supported but we do have the file explorer:
7186 * Edit the directory. */
7187 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7188 eap->arg = (char_u *)".";
7189 }
7190 else
7191 # endif
7192 {
7193 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7194 eap->arg, NULL, NULL, NULL, curbuf);
7195 if (fname == NULL)
7196 goto theend;
7197 eap->arg = fname;
7198 }
7199 }
7200 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7201 # endif
7202
7203 /*
7204 * Either open new tab page or split the window.
7205 */
7206 if (eap->cmdidx == CMD_tabedit
7207 || eap->cmdidx == CMD_tabfind
7208 || eap->cmdidx == CMD_tabnew)
7209 {
7210 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7211 : eap->addr_count == 0 ? 0
7212 : (int)eap->line2 + 1) != FAIL)
7213 {
7214 do_exedit(eap, old_curwin);
7215
7216 /* set the alternate buffer for the window we came from */
7217 if (curwin != old_curwin
7218 && win_valid(old_curwin)
7219 && old_curwin->w_buffer != curbuf
7220 && !cmdmod.keepalt)
7221 old_curwin->w_alt_fnum = curbuf->b_fnum;
7222 }
7223 }
7224 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7225 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7226 {
7227 # ifdef FEAT_SCROLLBIND
7228 /* Reset 'scrollbind' when editing another file, but keep it when
7229 * doing ":split" without arguments. */
7230 if (*eap->arg != NUL
7231 # ifdef FEAT_BROWSE
7232 || cmdmod.browse
7233 # endif
7234 )
7235 curwin->w_p_scb = FALSE;
7236 else
7237 do_check_scrollbind(FALSE);
7238 # endif
7239 do_exedit(eap, old_curwin);
7240 }
7241
7242 # ifdef FEAT_BROWSE
7243 cmdmod.browse = browse_flag;
7244 # endif
7245
7246 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7247 theend:
7248 vim_free(fname);
7249 # endif
7250 }
7251
7252 /*
7253 * Open a new tab page.
7254 */
7255 void
7256 tabpage_new()
7257 {
7258 exarg_T ea;
7259
7260 vim_memset(&ea, 0, sizeof(ea));
7261 ea.cmdidx = CMD_tabnew;
7262 ea.cmd = (char_u *)"tabn";
7263 ea.arg = (char_u *)"";
7264 ex_splitview(&ea);
7265 }
7266
7267 /*
7268 * :tabnext command
7269 */
7270 static void
7271 ex_tabnext(eap)
7272 exarg_T *eap;
7273 {
7274 switch (eap->cmdidx)
7275 {
7276 case CMD_tabfirst:
7277 case CMD_tabrewind:
7278 goto_tabpage(1);
7279 break;
7280 case CMD_tablast:
7281 goto_tabpage(9999);
7282 break;
7283 case CMD_tabprevious:
7284 case CMD_tabNext:
7285 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7286 break;
7287 default: /* CMD_tabnext */
7288 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7289 break;
7290 }
7291 }
7292
7293 /*
7294 * :tabmove command
7295 */
7296 static void
7297 ex_tabmove(eap)
7298 exarg_T *eap;
7299 {
7300 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7301 }
7302
7303 /*
7304 * :tabs command: List tabs and their contents.
7305 */
7306 /*ARGSUSED*/
7307 static void
7308 ex_tabs(eap)
7309 exarg_T *eap;
7310 {
7311 tabpage_T *tp;
7312 win_T *wp;
7313 int tabcount = 1;
7314
7315 msg_start();
7316 msg_scroll = TRUE;
7317 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7318 {
7319 msg_putchar('\n');
7320 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7321 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7322 out_flush(); /* output one line at a time */
7323 ui_breakcheck();
7324
7325 if (tp == curtab)
7326 wp = firstwin;
7327 else
7328 wp = tp->tp_firstwin;
7329 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7330 {
7331 msg_putchar('\n');
7332 msg_putchar(wp == curwin ? '>' : ' ');
7333 msg_putchar(' ');
7334 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7335 msg_putchar(' ');
7336 if (buf_spname(wp->w_buffer) != NULL)
7337 STRCPY(IObuff, buf_spname(wp->w_buffer));
7338 else
7339 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7340 IObuff, IOSIZE, TRUE);
7341 msg_outtrans(IObuff);
7342 out_flush(); /* output one line at a time */
7343 ui_breakcheck();
7344 }
7345 }
7346 }
7347
7348 #endif /* FEAT_WINDOWS */
7349
7350 /*
7351 * ":mode": Set screen mode.
7352 * If no argument given, just get the screen size and redraw.
7353 */
7354 static void
7355 ex_mode(eap)
7356 exarg_T *eap;
7357 {
7358 if (*eap->arg == NUL)
7359 shell_resized();
7360 else
7361 mch_screenmode(eap->arg);
7362 }
7363
7364 #ifdef FEAT_WINDOWS
7365 /*
7366 * ":resize".
7367 * set, increment or decrement current window height
7368 */
7369 static void
7370 ex_resize(eap)
7371 exarg_T *eap;
7372 {
7373 int n;
7374 win_T *wp = curwin;
7375
7376 if (eap->addr_count > 0)
7377 {
7378 n = eap->line2;
7379 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7380 ;
7381 }
7382
7383 #ifdef FEAT_GUI
7384 need_mouse_correct = TRUE;
7385 #endif
7386 n = atol((char *)eap->arg);
7387 #ifdef FEAT_VERTSPLIT
7388 if (cmdmod.split & WSP_VERT)
7389 {
7390 if (*eap->arg == '-' || *eap->arg == '+')
7391 n += W_WIDTH(curwin);
7392 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7393 n = 9999;
7394 win_setwidth_win((int)n, wp);
7395 }
7396 else
7397 #endif
7398 {
7399 if (*eap->arg == '-' || *eap->arg == '+')
7400 n += curwin->w_height;
7401 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7402 n = 9999;
7403 win_setheight_win((int)n, wp);
7404 }
7405 }
7406 #endif
7407
7408 /*
7409 * ":find [+command] <file>" command.
7410 */
7411 static void
7412 ex_find(eap)
7413 exarg_T *eap;
7414 {
7415 #ifdef FEAT_SEARCHPATH
7416 char_u *fname;
7417 int count;
7418
7419 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7420 TRUE, curbuf->b_ffname);
7421 if (eap->addr_count > 0)
7422 {
7423 /* Repeat finding the file "count" times. This matters when it
7424 * appears several times in the path. */
7425 count = eap->line2;
7426 while (fname != NULL && --count > 0)
7427 {
7428 vim_free(fname);
7429 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7430 FALSE, curbuf->b_ffname);
7431 }
7432 }
7433
7434 if (fname != NULL)
7435 {
7436 eap->arg = fname;
7437 #endif
7438 do_exedit(eap, NULL);
7439 #ifdef FEAT_SEARCHPATH
7440 vim_free(fname);
7441 }
7442 #endif
7443 }
7444
7445 /*
7446 * ":open" simulation: for now just work like ":visual".
7447 */
7448 static void
7449 ex_open(eap)
7450 exarg_T *eap;
7451 {
7452 regmatch_T regmatch;
7453 char_u *p;
7454
7455 curwin->w_cursor.lnum = eap->line2;
7456 beginline(BL_SOL | BL_FIX);
7457 if (*eap->arg == '/')
7458 {
7459 /* ":open /pattern/": put cursor in column found with pattern */
7460 ++eap->arg;
7461 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7462 *p = NUL;
7463 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7464 if (regmatch.regprog != NULL)
7465 {
7466 regmatch.rm_ic = p_ic;
7467 p = ml_get_curline();
7468 if (vim_regexec(&regmatch, p, (colnr_T)0))
7469 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7470 else
7471 EMSG(_(e_nomatch));
7472 vim_free(regmatch.regprog);
7473 }
7474 /* Move to the NUL, ignore any other arguments. */
7475 eap->arg += STRLEN(eap->arg);
7476 }
7477 check_cursor();
7478
7479 eap->cmdidx = CMD_visual;
7480 do_exedit(eap, NULL);
7481 }
7482
7483 /*
7484 * ":edit", ":badd", ":visual".
7485 */
7486 static void
7487 ex_edit(eap)
7488 exarg_T *eap;
7489 {
7490 do_exedit(eap, NULL);
7491 }
7492
7493 /*
7494 * ":edit <file>" command and alikes.
7495 */
7496 /*ARGSUSED*/
7497 void
7498 do_exedit(eap, old_curwin)
7499 exarg_T *eap;
7500 win_T *old_curwin; /* curwin before doing a split or NULL */
7501 {
7502 int n;
7503 #ifdef FEAT_WINDOWS
7504 int need_hide;
7505 #endif
7506 int exmode_was = exmode_active;
7507
7508 /*
7509 * ":vi" command ends Ex mode.
7510 */
7511 if (exmode_active && (eap->cmdidx == CMD_visual
7512 || eap->cmdidx == CMD_view))
7513 {
7514 exmode_active = FALSE;
7515 if (*eap->arg == NUL)
7516 {
7517 /* Special case: ":global/pat/visual\NLvi-commands" */
7518 if (global_busy)
7519 {
7520 int rd = RedrawingDisabled;
7521 int nwr = no_wait_return;
7522 int ms = msg_scroll;
7523 #ifdef FEAT_GUI
7524 int he = hold_gui_events;
7525 #endif
7526
7527 if (eap->nextcmd != NULL)
7528 {
7529 stuffReadbuff(eap->nextcmd);
7530 eap->nextcmd = NULL;
7531 }
7532
7533 if (exmode_was != EXMODE_VIM)
7534 settmode(TMODE_RAW);
7535 RedrawingDisabled = 0;
7536 no_wait_return = 0;
7537 need_wait_return = FALSE;
7538 msg_scroll = 0;
7539 #ifdef FEAT_GUI
7540 hold_gui_events = 0;
7541 #endif
7542 must_redraw = CLEAR;
7543
7544 main_loop(FALSE, TRUE);
7545
7546 RedrawingDisabled = rd;
7547 no_wait_return = nwr;
7548 msg_scroll = ms;
7549 #ifdef FEAT_GUI
7550 hold_gui_events = he;
7551 #endif
7552 }
7553 return;
7554 }
7555 }
7556
7557 if ((eap->cmdidx == CMD_new
7558 || eap->cmdidx == CMD_tabnew
7559 || eap->cmdidx == CMD_tabedit
7560 #ifdef FEAT_VERTSPLIT
7561 || eap->cmdidx == CMD_vnew
7562 #endif
7563 ) && *eap->arg == NUL)
7564 {
7565 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7566 setpcmark();
7567 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7568 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7569 old_curwin == NULL ? curwin : NULL);
7570 }
7571 else if ((eap->cmdidx != CMD_split
7572 #ifdef FEAT_VERTSPLIT
7573 && eap->cmdidx != CMD_vsplit
7574 #endif
7575 )
7576 || *eap->arg != NUL
7577 #ifdef FEAT_BROWSE
7578 || cmdmod.browse
7579 #endif
7580 )
7581 {
7582 #ifdef FEAT_AUTOCMD
7583 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7584 * can bring us here, others are stopped earlier. */
7585 if (*eap->arg != NUL && curbuf_locked())
7586 return;
7587 #endif
7588 n = readonlymode;
7589 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7590 readonlymode = TRUE;
7591 else if (eap->cmdidx == CMD_enew)
7592 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7593 empty buffer */
7594 setpcmark();
7595 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7596 NULL, eap,
7597 /* ":edit" goes to first line if Vi compatible */
7598 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7599 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7600 ? ECMD_ONE : eap->do_ecmd_lnum,
7601 (P_HID(curbuf) ? ECMD_HIDE : 0)
7602 + (eap->forceit ? ECMD_FORCEIT : 0)
7603 #ifdef FEAT_LISTCMDS
7604 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7605 #endif
7606 , old_curwin == NULL ? curwin : NULL) == FAIL)
7607 {
7608 /* Editing the file failed. If the window was split, close it. */
7609 #ifdef FEAT_WINDOWS
7610 if (old_curwin != NULL)
7611 {
7612 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7613 if (!need_hide || P_HID(curbuf))
7614 {
7615 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7616 cleanup_T cs;
7617
7618 /* Reset the error/interrupt/exception state here so that
7619 * aborting() returns FALSE when closing a window. */
7620 enter_cleanup(&cs);
7621 # endif
7622 # ifdef FEAT_GUI
7623 need_mouse_correct = TRUE;
7624 # endif
7625 win_close(curwin, !need_hide && !P_HID(curbuf));
7626
7627 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7628 /* Restore the error/interrupt/exception state if not
7629 * discarded by a new aborting error, interrupt, or
7630 * uncaught exception. */
7631 leave_cleanup(&cs);
7632 # endif
7633 }
7634 }
7635 #endif
7636 }
7637 else if (readonlymode && curbuf->b_nwindows == 1)
7638 {
7639 /* When editing an already visited buffer, 'readonly' won't be set
7640 * but the previous value is kept. With ":view" and ":sview" we
7641 * want the file to be readonly, except when another window is
7642 * editing the same buffer. */
7643 curbuf->b_p_ro = TRUE;
7644 }
7645 readonlymode = n;
7646 }
7647 else
7648 {
7649 if (eap->do_ecmd_cmd != NULL)
7650 do_cmdline_cmd(eap->do_ecmd_cmd);
7651 #ifdef FEAT_TITLE
7652 n = curwin->w_arg_idx_invalid;
7653 #endif
7654 check_arg_idx(curwin);
7655 #ifdef FEAT_TITLE
7656 if (n != curwin->w_arg_idx_invalid)
7657 maketitle();
7658 #endif
7659 }
7660
7661 #ifdef FEAT_WINDOWS
7662 /*
7663 * if ":split file" worked, set alternate file name in old window to new
7664 * file
7665 */
7666 if (old_curwin != NULL
7667 && *eap->arg != NUL
7668 && curwin != old_curwin
7669 && win_valid(old_curwin)
7670 && old_curwin->w_buffer != curbuf
7671 && !cmdmod.keepalt)
7672 old_curwin->w_alt_fnum = curbuf->b_fnum;
7673 #endif
7674
7675 ex_no_reprint = TRUE;
7676 }
7677
7678 #ifndef FEAT_GUI
7679 /*
7680 * ":gui" and ":gvim" when there is no GUI.
7681 */
7682 static void
7683 ex_nogui(eap)
7684 exarg_T *eap;
7685 {
7686 eap->errmsg = e_nogvim;
7687 }
7688 #endif
7689
7690 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7691 static void
7692 ex_tearoff(eap)
7693 exarg_T *eap;
7694 {
7695 gui_make_tearoff(eap->arg);
7696 }
7697 #endif
7698
7699 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7700 || defined(FEAT_GUI_MACVIM))
7701 static void
7702 ex_popup(eap)
7703 exarg_T *eap;
7704 {
7705 gui_make_popup(eap->arg, eap->forceit);
7706 }
7707 #endif
7708
7709 /*ARGSUSED*/
7710 static void
7711 ex_swapname(eap)
7712 exarg_T *eap;
7713 {
7714 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7715 MSG(_("No swap file"));
7716 else
7717 msg(curbuf->b_ml.ml_mfp->mf_fname);
7718 }
7719
7720 /*
7721 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7722 * offset.
7723 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7724 */
7725 /*ARGSUSED*/
7726 static void
7727 ex_syncbind(eap)
7728 exarg_T *eap;
7729 {
7730 #ifdef FEAT_SCROLLBIND
7731 win_T *wp;
7732 long topline;
7733 long y;
7734 linenr_T old_linenr = curwin->w_cursor.lnum;
7735
7736 setpcmark();
7737
7738 /*
7739 * determine max topline
7740 */
7741 if (curwin->w_p_scb)
7742 {
7743 topline = curwin->w_topline;
7744 for (wp = firstwin; wp; wp = wp->w_next)
7745 {
7746 if (wp->w_p_scb && wp->w_buffer)
7747 {
7748 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7749 if (topline > y)
7750 topline = y;
7751 }
7752 }
7753 if (topline < 1)
7754 topline = 1;
7755 }
7756 else
7757 {
7758 topline = 1;
7759 }
7760
7761
7762 /*
7763 * set all scrollbind windows to the same topline
7764 */
7765 wp = curwin;
7766 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7767 {
7768 if (curwin->w_p_scb)
7769 {
7770 y = topline - curwin->w_topline;
7771 if (y > 0)
7772 scrollup(y, TRUE);
7773 else
7774 scrolldown(-y, TRUE);
7775 curwin->w_scbind_pos = topline;
7776 redraw_later(VALID);
7777 cursor_correct();
7778 #ifdef FEAT_WINDOWS
7779 curwin->w_redr_status = TRUE;
7780 #endif
7781 }
7782 }
7783 curwin = wp;
7784 if (curwin->w_p_scb)
7785 {
7786 did_syncbind = TRUE;
7787 checkpcmark();
7788 if (old_linenr != curwin->w_cursor.lnum)
7789 {
7790 char_u ctrl_o[2];
7791
7792 ctrl_o[0] = Ctrl_O;
7793 ctrl_o[1] = 0;
7794 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7795 }
7796 }
7797 #endif
7798 }
7799
7800
7801 static void
7802 ex_read(eap)
7803 exarg_T *eap;
7804 {
7805 int i;
7806 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7807 linenr_T lnum;
7808
7809 if (eap->usefilter) /* :r!cmd */
7810 do_bang(1, eap, FALSE, FALSE, TRUE);
7811 else
7812 {
7813 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7814 return;
7815
7816 #ifdef FEAT_BROWSE
7817 if (cmdmod.browse)
7818 {
7819 char_u *browseFile;
7820
7821 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7822 NULL, NULL, NULL, curbuf);
7823 if (browseFile != NULL)
7824 {
7825 i = readfile(browseFile, NULL,
7826 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7827 vim_free(browseFile);
7828 }
7829 else
7830 i = OK;
7831 }
7832 else
7833 #endif
7834 if (*eap->arg == NUL)
7835 {
7836 if (check_fname() == FAIL) /* check for no file name */
7837 return;
7838 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7839 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7840 }
7841 else
7842 {
7843 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7844 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7845 i = readfile(eap->arg, NULL,
7846 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7847
7848 }
7849 if (i == FAIL)
7850 {
7851 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7852 if (!aborting())
7853 #endif
7854 EMSG2(_(e_notopen), eap->arg);
7855 }
7856 else
7857 {
7858 if (empty && exmode_active)
7859 {
7860 /* Delete the empty line that remains. Historically ex does
7861 * this but vi doesn't. */
7862 if (eap->line2 == 0)
7863 lnum = curbuf->b_ml.ml_line_count;
7864 else
7865 lnum = 1;
7866 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7867 {
7868 ml_delete(lnum, FALSE);
7869 deleted_lines_mark(lnum, 1L);
7870 if (curwin->w_cursor.lnum > 1
7871 && curwin->w_cursor.lnum >= lnum)
7872 --curwin->w_cursor.lnum;
7873 }
7874 }
7875 redraw_curbuf_later(VALID);
7876 }
7877 }
7878 }
7879
7880 static char_u *prev_dir = NULL;
7881
7882 #if defined(EXITFREE) || defined(PROTO)
7883 void
7884 free_cd_dir()
7885 {
7886 vim_free(prev_dir);
7887 prev_dir = NULL;
7888
7889 vim_free(globaldir);
7890 globaldir = NULL;
7891 }
7892 #endif
7893
7894
7895 /*
7896 * ":cd", ":lcd", ":chdir" and ":lchdir".
7897 */
7898 void
7899 ex_cd(eap)
7900 exarg_T *eap;
7901 {
7902 char_u *new_dir;
7903 char_u *tofree;
7904
7905 new_dir = eap->arg;
7906 #if !defined(UNIX) && !defined(VMS)
7907 /* for non-UNIX ":cd" means: print current directory */
7908 if (*new_dir == NUL)
7909 ex_pwd(NULL);
7910 else
7911 #endif
7912 {
7913 #ifdef FEAT_AUTOCMD
7914 if (allbuf_locked())
7915 return;
7916 #endif
7917 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7918 && !eap->forceit)
7919 {
7920 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7921 return;
7922 }
7923
7924 /* ":cd -": Change to previous directory */
7925 if (STRCMP(new_dir, "-") == 0)
7926 {
7927 if (prev_dir == NULL)
7928 {
7929 EMSG(_("E186: No previous directory"));
7930 return;
7931 }
7932 new_dir = prev_dir;
7933 }
7934
7935 /* Save current directory for next ":cd -" */
7936 tofree = prev_dir;
7937 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7938 prev_dir = vim_strsave(NameBuff);
7939 else
7940 prev_dir = NULL;
7941
7942 #if defined(UNIX) || defined(VMS)
7943 /* for UNIX ":cd" means: go to home directory */
7944 if (*new_dir == NUL)
7945 {
7946 /* use NameBuff for home directory name */
7947 # ifdef VMS
7948 char_u *p;
7949
7950 p = mch_getenv((char_u *)"SYS$LOGIN");
7951 if (p == NULL || *p == NUL) /* empty is the same as not set */
7952 NameBuff[0] = NUL;
7953 else
7954 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7955 # else
7956 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7957 # endif
7958 new_dir = NameBuff;
7959 }
7960 #endif
7961 if (new_dir == NULL || vim_chdir(new_dir))
7962 EMSG(_(e_failed));
7963 else
7964 {
7965 vim_free(curwin->w_localdir);
7966 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7967 {
7968 /* If still in global directory, need to remember current
7969 * directory as global directory. */
7970 if (globaldir == NULL && prev_dir != NULL)
7971 globaldir = vim_strsave(prev_dir);
7972 /* Remember this local directory for the window. */
7973 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7974 curwin->w_localdir = vim_strsave(NameBuff);
7975 }
7976 else
7977 {
7978 /* We are now in the global directory, no need to remember its
7979 * name. */
7980 vim_free(globaldir);
7981 globaldir = NULL;
7982 curwin->w_localdir = NULL;
7983 }
7984
7985 shorten_fnames(TRUE);
7986
7987 /* Echo the new current directory if the command was typed. */
7988 if (KeyTyped)
7989 ex_pwd(eap);
7990 }
7991 vim_free(tofree);
7992 }
7993 }
7994
7995 /*
7996 * ":pwd".
7997 */
7998 /*ARGSUSED*/
7999 static void
8000 ex_pwd(eap)
8001 exarg_T *eap;
8002 {
8003 if (mch_dirname(NameBuff, MAXPATHL) == OK)
8004 {
8005 #ifdef BACKSLASH_IN_FILENAME
8006 slash_adjust(NameBuff);
8007 #endif
8008 msg(NameBuff);
8009 }
8010 else
8011 EMSG(_("E187: Unknown"));
8012 }
8013
8014 /*
8015 * ":=".
8016 */
8017 static void
8018 ex_equal(eap)
8019 exarg_T *eap;
8020 {
8021 smsg((char_u *)"%ld", (long)eap->line2);
8022 ex_may_print(eap);
8023 }
8024
8025 static void
8026 ex_sleep(eap)
8027 exarg_T *eap;
8028 {
8029 int n;
8030 long len;
8031
8032 if (cursor_valid())
8033 {
8034 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8035 if (n >= 0)
8036 windgoto((int)n, curwin->w_wcol);
8037 }
8038
8039 len = eap->line2;
8040 switch (*eap->arg)
8041 {
8042 case 'm': break;
8043 case NUL: len *= 1000L; break;
8044 default: EMSG2(_(e_invarg2), eap->arg); return;
8045 }
8046 do_sleep(len);
8047 }
8048
8049 /*
8050 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8051 */
8052 void
8053 do_sleep(msec)
8054 long msec;
8055 {
8056 long done;
8057
8058 cursor_on();
8059 out_flush();
8060 for (done = 0; !got_int && done < msec; done += 1000L)
8061 {
8062 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8063 ui_breakcheck();
8064 }
8065 }
8066
8067 static void
8068 do_exmap(eap, isabbrev)
8069 exarg_T *eap;
8070 int isabbrev;
8071 {
8072 int mode;
8073 char_u *cmdp;
8074
8075 cmdp = eap->cmd;
8076 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8077
8078 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8079 eap->arg, mode, isabbrev))
8080 {
8081 case 1: EMSG(_(e_invarg));
8082 break;
8083 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8084 break;
8085 }
8086 }
8087
8088 /*
8089 * ":winsize" command (obsolete).
8090 */
8091 static void
8092 ex_winsize(eap)
8093 exarg_T *eap;
8094 {
8095 int w, h;
8096 char_u *arg = eap->arg;
8097 char_u *p;
8098
8099 w = getdigits(&arg);
8100 arg = skipwhite(arg);
8101 p = arg;
8102 h = getdigits(&arg);
8103 if (*p != NUL && *arg == NUL)
8104 set_shellsize(w, h, TRUE);
8105 else
8106 EMSG(_("E465: :winsize requires two number arguments"));
8107 }
8108
8109 #ifdef FEAT_WINDOWS
8110 static void
8111 ex_wincmd(eap)
8112 exarg_T *eap;
8113 {
8114 int xchar = NUL;
8115 char_u *p;
8116
8117 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8118 {
8119 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8120 if (eap->arg[1] == NUL)
8121 {
8122 EMSG(_(e_invarg));
8123 return;
8124 }
8125 xchar = eap->arg[1];
8126 p = eap->arg + 2;
8127 }
8128 else
8129 p = eap->arg + 1;
8130
8131 eap->nextcmd = check_nextcmd(p);
8132 p = skipwhite(p);
8133 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8134 EMSG(_(e_invarg));
8135 else
8136 {
8137 /* Pass flags on for ":vertical wincmd ]". */
8138 postponed_split_flags = cmdmod.split;
8139 postponed_split_tab = cmdmod.tab;
8140 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8141 postponed_split_flags = 0;
8142 postponed_split_tab = 0;
8143 }
8144 }
8145 #endif
8146
8147 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8148 /*
8149 * ":winpos".
8150 */
8151 static void
8152 ex_winpos(eap)
8153 exarg_T *eap;
8154 {
8155 int x, y;
8156 char_u *arg = eap->arg;
8157 char_u *p;
8158
8159 if (*arg == NUL)
8160 {
8161 # if defined(FEAT_GUI) || defined(MSWIN)
8162 # ifdef FEAT_GUI
8163 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8164 # else
8165 if (mch_get_winpos(&x, &y) != FAIL)
8166 # endif
8167 {
8168 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8169 msg(IObuff);
8170 }
8171 else
8172 # endif
8173 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8174 }
8175 else
8176 {
8177 x = getdigits(&arg);
8178 arg = skipwhite(arg);
8179 p = arg;
8180 y = getdigits(&arg);
8181 if (*p == NUL || *arg != NUL)
8182 {
8183 EMSG(_("E466: :winpos requires two number arguments"));
8184 return;
8185 }
8186 # ifdef FEAT_GUI
8187 if (gui.in_use)
8188 gui_mch_set_winpos(x, y);
8189 else if (gui.starting)
8190 {
8191 /* Remember the coordinates for when the window is opened. */
8192 gui_win_x = x;
8193 gui_win_y = y;
8194 }
8195 # ifdef HAVE_TGETENT
8196 else
8197 # endif
8198 # else
8199 # ifdef MSWIN
8200 mch_set_winpos(x, y);
8201 # endif
8202 # endif
8203 # ifdef HAVE_TGETENT
8204 if (*T_CWP)
8205 term_set_winpos(x, y);
8206 # endif
8207 }
8208 }
8209 #endif
8210
8211 /*
8212 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8213 */
8214 static void
8215 ex_operators(eap)
8216 exarg_T *eap;
8217 {
8218 oparg_T oa;
8219
8220 clear_oparg(&oa);
8221 oa.regname = eap->regname;
8222 oa.start.lnum = eap->line1;
8223 oa.end.lnum = eap->line2;
8224 oa.line_count = eap->line2 - eap->line1 + 1;
8225 oa.motion_type = MLINE;
8226 #ifdef FEAT_VIRTUALEDIT
8227 virtual_op = FALSE;
8228 #endif
8229 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8230 {
8231 setpcmark();
8232 curwin->w_cursor.lnum = eap->line1;
8233 beginline(BL_SOL | BL_FIX);
8234 }
8235
8236 switch (eap->cmdidx)
8237 {
8238 case CMD_delete:
8239 oa.op_type = OP_DELETE;
8240 op_delete(&oa);
8241 break;
8242
8243 case CMD_yank:
8244 oa.op_type = OP_YANK;
8245 (void)op_yank(&oa, FALSE, TRUE);
8246 break;
8247
8248 default: /* CMD_rshift or CMD_lshift */
8249 if ((eap->cmdidx == CMD_rshift)
8250 #ifdef FEAT_RIGHTLEFT
8251 ^ curwin->w_p_rl
8252 #endif
8253 )
8254 oa.op_type = OP_RSHIFT;
8255 else
8256 oa.op_type = OP_LSHIFT;
8257 op_shift(&oa, FALSE, eap->amount);
8258 break;
8259 }
8260 #ifdef FEAT_VIRTUALEDIT
8261 virtual_op = MAYBE;
8262 #endif
8263 ex_may_print(eap);
8264 }
8265
8266 /*
8267 * ":put".
8268 */
8269 static void
8270 ex_put(eap)
8271 exarg_T *eap;
8272 {
8273 /* ":0put" works like ":1put!". */
8274 if (eap->line2 == 0)
8275 {
8276 eap->line2 = 1;
8277 eap->forceit = TRUE;
8278 }
8279 curwin->w_cursor.lnum = eap->line2;
8280 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8281 PUT_LINE|PUT_CURSLINE);
8282 }
8283
8284 /*
8285 * Handle ":copy" and ":move".
8286 */
8287 static void
8288 ex_copymove(eap)
8289 exarg_T *eap;
8290 {
8291 long n;
8292
8293 n = get_address(&eap->arg, FALSE, FALSE);
8294 if (eap->arg == NULL) /* error detected */
8295 {
8296 eap->nextcmd = NULL;
8297 return;
8298 }
8299 get_flags(eap);
8300
8301 /*
8302 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8303 */
8304 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8305 {
8306 EMSG(_(e_invaddr));
8307 return;
8308 }
8309
8310 if (eap->cmdidx == CMD_move)
8311 {
8312 if (do_move(eap->line1, eap->line2, n) == FAIL)
8313 return;
8314 }
8315 else
8316 ex_copy(eap->line1, eap->line2, n);
8317 u_clearline();
8318 beginline(BL_SOL | BL_FIX);
8319 ex_may_print(eap);
8320 }
8321
8322 /*
8323 * Print the current line if flags were given to the Ex command.
8324 */
8325 static void
8326 ex_may_print(eap)
8327 exarg_T *eap;
8328 {
8329 if (eap->flags != 0)
8330 {
8331 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8332 (eap->flags & EXFLAG_LIST));
8333 ex_no_reprint = TRUE;
8334 }
8335 }
8336
8337 /*
8338 * ":smagic" and ":snomagic".
8339 */
8340 static void
8341 ex_submagic(eap)
8342 exarg_T *eap;
8343 {
8344 int magic_save = p_magic;
8345
8346 p_magic = (eap->cmdidx == CMD_smagic);
8347 do_sub(eap);
8348 p_magic = magic_save;
8349 }
8350
8351 /*
8352 * ":join".
8353 */
8354 static void
8355 ex_join(eap)
8356 exarg_T *eap;
8357 {
8358 curwin->w_cursor.lnum = eap->line1;
8359 if (eap->line1 == eap->line2)
8360 {
8361 if (eap->addr_count >= 2) /* :2,2join does nothing */
8362 return;
8363 if (eap->line2 == curbuf->b_ml.ml_line_count)
8364 {
8365 beep_flush();
8366 return;
8367 }
8368 ++eap->line2;
8369 }
8370 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8371 beginline(BL_WHITE | BL_FIX);
8372 ex_may_print(eap);
8373 }
8374
8375 /*
8376 * ":[addr]@r" or ":[addr]*r": execute register
8377 */
8378 static void
8379 ex_at(eap)
8380 exarg_T *eap;
8381 {
8382 int c;
8383
8384 curwin->w_cursor.lnum = eap->line2;
8385
8386 #ifdef USE_ON_FLY_SCROLL
8387 dont_scroll = TRUE; /* disallow scrolling here */
8388 #endif
8389
8390 /* get the register name. No name means to use the previous one */
8391 c = *eap->arg;
8392 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8393 c = '@';
8394 /* Put the register in the typeahead buffer with the "silent" flag. */
8395 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8396 == FAIL)
8397 {
8398 beep_flush();
8399 }
8400 else
8401 {
8402 int save_efr = exec_from_reg;
8403
8404 exec_from_reg = TRUE;
8405
8406 /*
8407 * Execute from the typeahead buffer.
8408 * Originally this didn't check for the typeahead buffer to be empty,
8409 * thus could read more Ex commands from stdin. It's not clear why,
8410 * it is certainly unexpected.
8411 */
8412 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8413 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8414
8415 exec_from_reg = save_efr;
8416 }
8417 }
8418
8419 /*
8420 * ":!".
8421 */
8422 static void
8423 ex_bang(eap)
8424 exarg_T *eap;
8425 {
8426 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8427 }
8428
8429 /*
8430 * ":undo".
8431 */
8432 /*ARGSUSED*/
8433 static void
8434 ex_undo(eap)
8435 exarg_T *eap;
8436 {
8437 if (eap->addr_count == 1) /* :undo 123 */
8438 undo_time(eap->line2, FALSE, TRUE);
8439 else
8440 u_undo(1);
8441 }
8442
8443 /*
8444 * ":redo".
8445 */
8446 /*ARGSUSED*/
8447 static void
8448 ex_redo(eap)
8449 exarg_T *eap;
8450 {
8451 u_redo(1);
8452 }
8453
8454 /*
8455 * ":earlier" and ":later".
8456 */
8457 /*ARGSUSED*/
8458 static void
8459 ex_later(eap)
8460 exarg_T *eap;
8461 {
8462 long count = 0;
8463 int sec = FALSE;
8464 char_u *p = eap->arg;
8465
8466 if (*p == NUL)
8467 count = 1;
8468 else if (isdigit(*p))
8469 {
8470 count = getdigits(&p);
8471 switch (*p)
8472 {
8473 case 's': ++p; sec = TRUE; break;
8474 case 'm': ++p; sec = TRUE; count *= 60; break;
8475 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8476 }
8477 }
8478
8479 if (*p != NUL)
8480 EMSG2(_(e_invarg2), eap->arg);
8481 else
8482 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8483 }
8484
8485 /*
8486 * ":redir": start/stop redirection.
8487 */
8488 static void
8489 ex_redir(eap)
8490 exarg_T *eap;
8491 {
8492 char *mode;
8493 char_u *fname;
8494 char_u *arg = eap->arg;
8495
8496 if (STRICMP(eap->arg, "END") == 0)
8497 close_redir();
8498 else
8499 {
8500 if (*arg == '>')
8501 {
8502 ++arg;
8503 if (*arg == '>')
8504 {
8505 ++arg;
8506 mode = "a";
8507 }
8508 else
8509 mode = "w";
8510 arg = skipwhite(arg);
8511
8512 close_redir();
8513
8514 /* Expand environment variables and "~/". */
8515 fname = expand_env_save(arg);
8516 if (fname == NULL)
8517 return;
8518 #ifdef FEAT_BROWSE
8519 if (cmdmod.browse)
8520 {
8521 char_u *browseFile;
8522
8523 browseFile = do_browse(BROWSE_SAVE,
8524 (char_u *)_("Save Redirection"),
8525 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8526 if (browseFile == NULL)
8527 return; /* operation cancelled */
8528 vim_free(fname);
8529 fname = browseFile;
8530 eap->forceit = TRUE; /* since dialog already asked */
8531 }
8532 #endif
8533
8534 redir_fd = open_exfile(fname, eap->forceit, mode);
8535 vim_free(fname);
8536 }
8537 #ifdef FEAT_EVAL
8538 else if (*arg == '@')
8539 {
8540 /* redirect to a register a-z (resp. A-Z for appending) */
8541 close_redir();
8542 ++arg;
8543 if (ASCII_ISALPHA(*arg)
8544 # ifdef FEAT_CLIPBOARD
8545 || *arg == '*'
8546 || *arg == '+'
8547 # endif
8548 || *arg == '"')
8549 {
8550 redir_reg = *arg++;
8551 if (*arg == '>' && arg[1] == '>') /* append */
8552 arg += 2;
8553 else
8554 {
8555 /* Can use both "@a" and "@a>". */
8556 if (*arg == '>')
8557 arg++;
8558 /* Make register empty when not using @A-@Z and the
8559 * command is valid. */
8560 if (*arg == NUL && !isupper(redir_reg))
8561 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8562 }
8563 }
8564 if (*arg != NUL)
8565 {
8566 redir_reg = 0;
8567 EMSG2(_(e_invarg2), eap->arg);
8568 }
8569 }
8570 else if (*arg == '=' && arg[1] == '>')
8571 {
8572 int append;
8573
8574 /* redirect to a variable */
8575 close_redir();
8576 arg += 2;
8577
8578 if (*arg == '>')
8579 {
8580 ++arg;
8581 append = TRUE;
8582 }
8583 else
8584 append = FALSE;
8585
8586 if (var_redir_start(skipwhite(arg), append) == OK)
8587 redir_vname = 1;
8588 }
8589 #endif
8590
8591 /* TODO: redirect to a buffer */
8592
8593 else
8594 EMSG2(_(e_invarg2), eap->arg);
8595 }
8596
8597 /* Make sure redirection is not off. Can happen for cmdline completion
8598 * that indirectly invokes a command to catch its output. */
8599 if (redir_fd != NULL
8600 #ifdef FEAT_EVAL
8601 || redir_reg || redir_vname
8602 #endif
8603 )
8604 redir_off = FALSE;
8605 }
8606
8607 /*
8608 * ":redraw": force redraw
8609 */
8610 static void
8611 ex_redraw(eap)
8612 exarg_T *eap;
8613 {
8614 int r = RedrawingDisabled;
8615 int p = p_lz;
8616
8617 RedrawingDisabled = 0;
8618 p_lz = FALSE;
8619 update_topline();
8620 update_screen(eap->forceit ? CLEAR :
8621 #ifdef FEAT_VISUAL
8622 VIsual_active ? INVERTED :
8623 #endif
8624 0);
8625 #ifdef FEAT_TITLE
8626 if (need_maketitle)
8627 maketitle();
8628 #endif
8629 RedrawingDisabled = r;
8630 p_lz = p;
8631
8632 /* Reset msg_didout, so that a message that's there is overwritten. */
8633 msg_didout = FALSE;
8634 msg_col = 0;
8635
8636 out_flush();
8637 }
8638
8639 /*
8640 * ":redrawstatus": force redraw of status line(s)
8641 */
8642 /*ARGSUSED*/
8643 static void
8644 ex_redrawstatus(eap)
8645 exarg_T *eap;
8646 {
8647 #if defined(FEAT_WINDOWS)
8648 int r = RedrawingDisabled;
8649 int p = p_lz;
8650
8651 RedrawingDisabled = 0;
8652 p_lz = FALSE;
8653 if (eap->forceit)
8654 status_redraw_all();
8655 else
8656 status_redraw_curbuf();
8657 update_screen(
8658 # ifdef FEAT_VISUAL
8659 VIsual_active ? INVERTED :
8660 # endif
8661 0);
8662 RedrawingDisabled = r;
8663 p_lz = p;
8664 out_flush();
8665 #endif
8666 }
8667
8668 static void
8669 close_redir()
8670 {
8671 if (redir_fd != NULL)
8672 {
8673 fclose(redir_fd);
8674 redir_fd = NULL;
8675 }
8676 #ifdef FEAT_EVAL
8677 redir_reg = 0;
8678 if (redir_vname)
8679 {
8680 var_redir_stop();
8681 redir_vname = 0;
8682 }
8683 #endif
8684 }
8685
8686 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8687 # define MKSESSION_NL
8688 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8689 #endif
8690
8691 /*
8692 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8693 */
8694 static void
8695 ex_mkrc(eap)
8696 exarg_T *eap;
8697 {
8698 FILE *fd;
8699 int failed = FALSE;
8700 char_u *fname;
8701 #ifdef FEAT_BROWSE
8702 char_u *browseFile = NULL;
8703 #endif
8704 #ifdef FEAT_SESSION
8705 int view_session = FALSE;
8706 int using_vdir = FALSE; /* using 'viewdir'? */
8707 char_u *viewFile = NULL;
8708 unsigned *flagp;
8709 #endif
8710
8711 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8712 {
8713 #ifdef FEAT_SESSION
8714 view_session = TRUE;
8715 #else
8716 ex_ni(eap);
8717 return;
8718 #endif
8719 }
8720
8721 #ifdef FEAT_SESSION
8722 did_lcd = FALSE;
8723
8724 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8725 if (eap->cmdidx == CMD_mkview
8726 && (*eap->arg == NUL
8727 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8728 {
8729 eap->forceit = TRUE;
8730 fname = get_view_file(*eap->arg);
8731 if (fname == NULL)
8732 return;
8733 viewFile = fname;
8734 using_vdir = TRUE;
8735 }
8736 else
8737 #endif
8738 if (*eap->arg != NUL)
8739 fname = eap->arg;
8740 else if (eap->cmdidx == CMD_mkvimrc)
8741 fname = (char_u *)VIMRC_FILE;
8742 #ifdef FEAT_SESSION
8743 else if (eap->cmdidx == CMD_mksession)
8744 fname = (char_u *)SESSION_FILE;
8745 #endif
8746 else
8747 fname = (char_u *)EXRC_FILE;
8748
8749 #ifdef FEAT_BROWSE
8750 if (cmdmod.browse)
8751 {
8752 browseFile = do_browse(BROWSE_SAVE,
8753 # ifdef FEAT_SESSION
8754 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8755 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8756 # endif
8757 (char_u *)_("Save Setup"),
8758 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8759 if (browseFile == NULL)
8760 goto theend;
8761 fname = browseFile;
8762 eap->forceit = TRUE; /* since dialog already asked */
8763 }
8764 #endif
8765
8766 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8767 /* When using 'viewdir' may have to create the directory. */
8768 if (using_vdir && !mch_isdir(p_vdir))
8769 vim_mkdir_emsg(p_vdir, 0755);
8770 #endif
8771
8772 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8773 if (fd != NULL)
8774 {
8775 #ifdef FEAT_SESSION
8776 if (eap->cmdidx == CMD_mkview)
8777 flagp = &vop_flags;
8778 else
8779 flagp = &ssop_flags;
8780 #endif
8781
8782 #ifdef MKSESSION_NL
8783 /* "unix" in 'sessionoptions': use NL line separator */
8784 if (view_session && (*flagp & SSOP_UNIX))
8785 mksession_nl = TRUE;
8786 #endif
8787
8788 /* Write the version command for :mkvimrc */
8789 if (eap->cmdidx == CMD_mkvimrc)
8790 (void)put_line(fd, "version 6.0");
8791
8792 #ifdef FEAT_SESSION
8793 if (eap->cmdidx == CMD_mksession)
8794 {
8795 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8796 failed = TRUE;
8797 }
8798
8799 if (eap->cmdidx != CMD_mkview)
8800 #endif
8801 {
8802 /* Write setting 'compatible' first, because it has side effects.
8803 * For that same reason only do it when needed. */
8804 if (p_cp)
8805 (void)put_line(fd, "if !&cp | set cp | endif");
8806 else
8807 (void)put_line(fd, "if &cp | set nocp | endif");
8808 }
8809
8810 #ifdef FEAT_SESSION
8811 if (!view_session
8812 || (eap->cmdidx == CMD_mksession
8813 && (*flagp & SSOP_OPTIONS)))
8814 #endif
8815 failed |= (makemap(fd, NULL) == FAIL
8816 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8817
8818 #ifdef FEAT_SESSION
8819 if (!failed && view_session)
8820 {
8821 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8822 failed = TRUE;
8823 if (eap->cmdidx == CMD_mksession)
8824 {
8825 char_u dirnow[MAXPATHL]; /* current directory */
8826
8827 /*
8828 * Change to session file's dir.
8829 */
8830 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8831 || mch_chdir((char *)dirnow) != 0)
8832 *dirnow = NUL;
8833 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8834 {
8835 if (vim_chdirfile(fname) == OK)
8836 shorten_fnames(TRUE);
8837 }
8838 else if (*dirnow != NUL
8839 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8840 {
8841 if (mch_chdir((char *)globaldir) == 0)
8842 shorten_fnames(TRUE);
8843 }
8844
8845 failed |= (makeopens(fd, dirnow) == FAIL);
8846
8847 /* restore original dir */
8848 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8849 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8850 {
8851 if (mch_chdir((char *)dirnow) != 0)
8852 EMSG(_(e_prev_dir));
8853 shorten_fnames(TRUE);
8854 }
8855 }
8856 else
8857 {
8858 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8859 -1) == FAIL);
8860 }
8861 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8862 == FAIL)
8863 failed = TRUE;
8864 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8865 failed = TRUE;
8866 if (eap->cmdidx == CMD_mksession)
8867 {
8868 if (put_line(fd, "unlet SessionLoad") == FAIL)
8869 failed = TRUE;
8870 }
8871 }
8872 #endif
8873 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8874 failed = TRUE;
8875
8876 failed |= fclose(fd);
8877
8878 if (failed)
8879 EMSG(_(e_write));
8880 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8881 else if (eap->cmdidx == CMD_mksession)
8882 {
8883 /* successful session write - set this_session var */
8884 char_u tbuf[MAXPATHL];
8885
8886 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8887 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8888 }
8889 #endif
8890 #ifdef MKSESSION_NL
8891 mksession_nl = FALSE;
8892 #endif
8893 }
8894
8895 #ifdef FEAT_BROWSE
8896 theend:
8897 vim_free(browseFile);
8898 #endif
8899 #ifdef FEAT_SESSION
8900 vim_free(viewFile);
8901 #endif
8902 }
8903
8904 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8905 || defined(PROTO)
8906 /*ARGSUSED*/
8907 int
8908 vim_mkdir_emsg(name, prot)
8909 char_u *name;
8910 int prot;
8911 {
8912 if (vim_mkdir(name, prot) != 0)
8913 {
8914 EMSG2(_("E739: Cannot create directory: %s"), name);
8915 return FAIL;
8916 }
8917 return OK;
8918 }
8919 #endif
8920
8921 /*
8922 * Open a file for writing for an Ex command, with some checks.
8923 * Return file descriptor, or NULL on failure.
8924 */
8925 FILE *
8926 open_exfile(fname, forceit, mode)
8927 char_u *fname;
8928 int forceit;
8929 char *mode; /* "w" for create new file or "a" for append */
8930 {
8931 FILE *fd;
8932
8933 #ifdef UNIX
8934 /* with Unix it is possible to open a directory */
8935 if (mch_isdir(fname))
8936 {
8937 EMSG2(_(e_isadir2), fname);
8938 return NULL;
8939 }
8940 #endif
8941 if (!forceit && *mode != 'a' && vim_fexists(fname))
8942 {
8943 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8944 return NULL;
8945 }
8946
8947 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8948 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8949
8950 return fd;
8951 }
8952
8953 /*
8954 * ":mark" and ":k".
8955 */
8956 static void
8957 ex_mark(eap)
8958 exarg_T *eap;
8959 {
8960 pos_T pos;
8961
8962 if (*eap->arg == NUL) /* No argument? */
8963 EMSG(_(e_argreq));
8964 else if (eap->arg[1] != NUL) /* more than one character? */
8965 EMSG(_(e_trailing));
8966 else
8967 {
8968 pos = curwin->w_cursor; /* save curwin->w_cursor */
8969 curwin->w_cursor.lnum = eap->line2;
8970 beginline(BL_WHITE | BL_FIX);
8971 if (setmark(*eap->arg) == FAIL) /* set mark */
8972 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8973 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8974 }
8975 }
8976
8977 /*
8978 * Update w_topline, w_leftcol and the cursor position.
8979 */
8980 void
8981 update_topline_cursor()
8982 {
8983 check_cursor(); /* put cursor on valid line */
8984 update_topline();
8985 if (!curwin->w_p_wrap)
8986 validate_cursor();
8987 update_curswant();
8988 }
8989
8990 #ifdef FEAT_EX_EXTRA
8991 /*
8992 * ":normal[!] {commands}": Execute normal mode commands.
8993 */
8994 static void
8995 ex_normal(eap)
8996 exarg_T *eap;
8997 {
8998 int save_msg_scroll = msg_scroll;
8999 int save_restart_edit = restart_edit;
9000 int save_msg_didout = msg_didout;
9001 int save_State = State;
9002 tasave_T tabuf;
9003 int save_insertmode = p_im;
9004 int save_finish_op = finish_op;
9005 int save_opcount = opcount;
9006 #ifdef FEAT_MBYTE
9007 char_u *arg = NULL;
9008 int l;
9009 char_u *p;
9010 #endif
9011
9012 if (ex_normal_lock > 0)
9013 {
9014 EMSG(_(e_secure));
9015 return;
9016 }
9017 if (ex_normal_busy >= p_mmd)
9018 {
9019 EMSG(_("E192: Recursive use of :normal too deep"));
9020 return;
9021 }
9022 ++ex_normal_busy;
9023
9024 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9025 restart_edit = 0; /* don't go to Insert mode */
9026 p_im = FALSE; /* don't use 'insertmode' */
9027
9028 #ifdef FEAT_MBYTE
9029 /*
9030 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9031 * this for the K_SPECIAL leading byte, otherwise special keys will not
9032 * work.
9033 */
9034 if (has_mbyte)
9035 {
9036 int len = 0;
9037
9038 /* Count the number of characters to be escaped. */
9039 for (p = eap->arg; *p != NUL; ++p)
9040 {
9041 # ifdef FEAT_GUI
9042 if (*p == CSI) /* leadbyte CSI */
9043 len += 2;
9044 # endif
9045 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9046 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9047 # ifdef FEAT_GUI
9048 || *p == CSI
9049 # endif
9050 )
9051 len += 2;
9052 }
9053 if (len > 0)
9054 {
9055 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9056 if (arg != NULL)
9057 {
9058 len = 0;
9059 for (p = eap->arg; *p != NUL; ++p)
9060 {
9061 arg[len++] = *p;
9062 # ifdef FEAT_GUI
9063 if (*p == CSI)
9064 {
9065 arg[len++] = KS_EXTRA;
9066 arg[len++] = (int)KE_CSI;
9067 }
9068 # endif
9069 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9070 {
9071 arg[len++] = *++p;
9072 if (*p == K_SPECIAL)
9073 {
9074 arg[len++] = KS_SPECIAL;
9075 arg[len++] = KE_FILLER;
9076 }
9077 # ifdef FEAT_GUI
9078 else if (*p == CSI)
9079 {
9080 arg[len++] = KS_EXTRA;
9081 arg[len++] = (int)KE_CSI;
9082 }
9083 # endif
9084 }
9085 arg[len] = NUL;
9086 }
9087 }
9088 }
9089 }
9090 #endif
9091
9092 /*
9093 * Save the current typeahead. This is required to allow using ":normal"
9094 * from an event handler and makes sure we don't hang when the argument
9095 * ends with half a command.
9096 */
9097 save_typeahead(&tabuf);
9098 if (tabuf.typebuf_valid)
9099 {
9100 /*
9101 * Repeat the :normal command for each line in the range. When no
9102 * range given, execute it just once, without positioning the cursor
9103 * first.
9104 */
9105 do
9106 {
9107 if (eap->addr_count != 0)
9108 {
9109 curwin->w_cursor.lnum = eap->line1++;
9110 curwin->w_cursor.col = 0;
9111 }
9112
9113 exec_normal_cmd(
9114 #ifdef FEAT_MBYTE
9115 arg != NULL ? arg :
9116 #endif
9117 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9118 }
9119 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9120 }
9121
9122 /* Might not return to the main loop when in an event handler. */
9123 update_topline_cursor();
9124
9125 /* Restore the previous typeahead. */
9126 restore_typeahead(&tabuf);
9127
9128 --ex_normal_busy;
9129 msg_scroll = save_msg_scroll;
9130 restart_edit = save_restart_edit;
9131 p_im = save_insertmode;
9132 finish_op = save_finish_op;
9133 opcount = save_opcount;
9134 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9135
9136 /* Restore the state (needed when called from a function executed for
9137 * 'indentexpr'). */
9138 State = save_State;
9139 #ifdef FEAT_MBYTE
9140 vim_free(arg);
9141 #endif
9142 }
9143
9144 /*
9145 * ":startinsert", ":startreplace" and ":startgreplace"
9146 */
9147 static void
9148 ex_startinsert(eap)
9149 exarg_T *eap;
9150 {
9151 if (eap->forceit)
9152 {
9153 coladvance((colnr_T)MAXCOL);
9154 curwin->w_curswant = MAXCOL;
9155 curwin->w_set_curswant = FALSE;
9156 }
9157
9158 /* Ignore the command when already in Insert mode. Inserting an
9159 * expression register that invokes a function can do this. */
9160 if (State & INSERT)
9161 return;
9162
9163 if (eap->cmdidx == CMD_startinsert)
9164 restart_edit = 'a';
9165 else if (eap->cmdidx == CMD_startreplace)
9166 restart_edit = 'R';
9167 else
9168 restart_edit = 'V';
9169
9170 if (!eap->forceit)
9171 {
9172 if (eap->cmdidx == CMD_startinsert)
9173 restart_edit = 'i';
9174 curwin->w_curswant = 0; /* avoid MAXCOL */
9175 }
9176 }
9177
9178 /*
9179 * ":stopinsert"
9180 */
9181 /*ARGSUSED*/
9182 static void
9183 ex_stopinsert(eap)
9184 exarg_T *eap;
9185 {
9186 restart_edit = 0;
9187 stop_insert_mode = TRUE;
9188 }
9189 #endif
9190
9191 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9192 /*
9193 * Execute normal mode command "cmd".
9194 * "remap" can be REMAP_NONE or REMAP_YES.
9195 */
9196 void
9197 exec_normal_cmd(cmd, remap, silent)
9198 char_u *cmd;
9199 int remap;
9200 int silent;
9201 {
9202 oparg_T oa;
9203
9204 /*
9205 * Stuff the argument into the typeahead buffer.
9206 * Execute normal_cmd() until there is no typeahead left.
9207 */
9208 clear_oparg(&oa);
9209 finish_op = FALSE;
9210 ins_typebuf(cmd, remap, 0, TRUE, silent);
9211 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9212 && !got_int)
9213 {
9214 update_topline_cursor();
9215 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9216 }
9217 }
9218 #endif
9219
9220 #ifdef FEAT_FIND_ID
9221 static void
9222 ex_checkpath(eap)
9223 exarg_T *eap;
9224 {
9225 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9226 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9227 (linenr_T)1, (linenr_T)MAXLNUM);
9228 }
9229
9230 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9231 /*
9232 * ":psearch"
9233 */
9234 static void
9235 ex_psearch(eap)
9236 exarg_T *eap;
9237 {
9238 g_do_tagpreview = p_pvh;
9239 ex_findpat(eap);
9240 g_do_tagpreview = 0;
9241 }
9242 #endif
9243
9244 static void
9245 ex_findpat(eap)
9246 exarg_T *eap;
9247 {
9248 int whole = TRUE;
9249 long n;
9250 char_u *p;
9251 int action;
9252
9253 switch (cmdnames[eap->cmdidx].cmd_name[2])
9254 {
9255 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9256 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9257 action = ACTION_GOTO;
9258 else
9259 action = ACTION_SHOW;
9260 break;
9261 case 'i': /* ":ilist" and ":dlist" */
9262 action = ACTION_SHOW_ALL;
9263 break;
9264 case 'u': /* ":ijump" and ":djump" */
9265 action = ACTION_GOTO;
9266 break;
9267 default: /* ":isplit" and ":dsplit" */
9268 action = ACTION_SPLIT;
9269 break;
9270 }
9271
9272 n = 1;
9273 if (vim_isdigit(*eap->arg)) /* get count */
9274 {
9275 n = getdigits(&eap->arg);
9276 eap->arg = skipwhite(eap->arg);
9277 }
9278 if (*eap->arg == '/') /* Match regexp, not just whole words */
9279 {
9280 whole = FALSE;
9281 ++eap->arg;
9282 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9283 if (*p)
9284 {
9285 *p++ = NUL;
9286 p = skipwhite(p);
9287
9288 /* Check for trailing illegal characters */
9289 if (!ends_excmd(*p))
9290 eap->errmsg = e_trailing;
9291 else
9292 eap->nextcmd = check_nextcmd(p);
9293 }
9294 }
9295 if (!eap->skip)
9296 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9297 whole, !eap->forceit,
9298 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9299 n, action, eap->line1, eap->line2);
9300 }
9301 #endif
9302
9303 #ifdef FEAT_WINDOWS
9304
9305 # ifdef FEAT_QUICKFIX
9306 /*
9307 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9308 */
9309 static void
9310 ex_ptag(eap)
9311 exarg_T *eap;
9312 {
9313 g_do_tagpreview = p_pvh;
9314 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9315 }
9316
9317 /*
9318 * ":pedit"
9319 */
9320 static void
9321 ex_pedit(eap)
9322 exarg_T *eap;
9323 {
9324 win_T *curwin_save = curwin;
9325
9326 g_do_tagpreview = p_pvh;
9327 prepare_tagpreview(TRUE);
9328 keep_help_flag = curwin_save->w_buffer->b_help;
9329 do_exedit(eap, NULL);
9330 keep_help_flag = FALSE;
9331 if (curwin != curwin_save && win_valid(curwin_save))
9332 {
9333 /* Return cursor to where we were */
9334 validate_cursor();
9335 redraw_later(VALID);
9336 win_enter(curwin_save, TRUE);
9337 }
9338 g_do_tagpreview = 0;
9339 }
9340 # endif
9341
9342 /*
9343 * ":stag", ":stselect" and ":stjump".
9344 */
9345 static void
9346 ex_stag(eap)
9347 exarg_T *eap;
9348 {
9349 postponed_split = -1;
9350 postponed_split_flags = cmdmod.split;
9351 postponed_split_tab = cmdmod.tab;
9352 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9353 postponed_split_flags = 0;
9354 postponed_split_tab = 0;
9355 }
9356 #endif
9357
9358 /*
9359 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9360 */
9361 static void
9362 ex_tag(eap)
9363 exarg_T *eap;
9364 {
9365 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9366 }
9367
9368 static void
9369 ex_tag_cmd(eap, name)
9370 exarg_T *eap;
9371 char_u *name;
9372 {
9373 int cmd;
9374
9375 switch (name[1])
9376 {
9377 case 'j': cmd = DT_JUMP; /* ":tjump" */
9378 break;
9379 case 's': cmd = DT_SELECT; /* ":tselect" */
9380 break;
9381 case 'p': cmd = DT_PREV; /* ":tprevious" */
9382 break;
9383 case 'N': cmd = DT_PREV; /* ":tNext" */
9384 break;
9385 case 'n': cmd = DT_NEXT; /* ":tnext" */
9386 break;
9387 case 'o': cmd = DT_POP; /* ":pop" */
9388 break;
9389 case 'f': /* ":tfirst" */
9390 case 'r': cmd = DT_FIRST; /* ":trewind" */
9391 break;
9392 case 'l': cmd = DT_LAST; /* ":tlast" */
9393 break;
9394 default: /* ":tag" */
9395 #ifdef FEAT_CSCOPE
9396 if (p_cst && *eap->arg != NUL)
9397 {
9398 do_cstag(eap);
9399 return;
9400 }
9401 #endif
9402 cmd = DT_TAG;
9403 break;
9404 }
9405
9406 if (name[0] == 'l')
9407 {
9408 #ifndef FEAT_QUICKFIX
9409 ex_ni(eap);
9410 return;
9411 #else
9412 cmd = DT_LTAG;
9413 #endif
9414 }
9415
9416 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9417 eap->forceit, TRUE);
9418 }
9419
9420 /*
9421 * Check "str" for starting with a special cmdline variable.
9422 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9423 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9424 */
9425 int
9426 find_cmdline_var(src, usedlen)
9427 char_u *src;
9428 int *usedlen;
9429 {
9430 int len;
9431 int i;
9432 static char *(spec_str[]) = {
9433 "%",
9434 #define SPEC_PERC 0
9435 "#",
9436 #define SPEC_HASH 1
9437 "<cword>", /* cursor word */
9438 #define SPEC_CWORD 2
9439 "<cWORD>", /* cursor WORD */
9440 #define SPEC_CCWORD 3
9441 "<cfile>", /* cursor path name */
9442 #define SPEC_CFILE 4
9443 "<sfile>", /* ":so" file name */
9444 #define SPEC_SFILE 5
9445 #ifdef FEAT_AUTOCMD
9446 "<afile>", /* autocommand file name */
9447 # define SPEC_AFILE 6
9448 "<abuf>", /* autocommand buffer number */
9449 # define SPEC_ABUF 7
9450 "<amatch>", /* autocommand match name */
9451 # define SPEC_AMATCH 8
9452 #endif
9453 #ifdef FEAT_CLIENTSERVER
9454 "<client>"
9455 # define SPEC_CLIENT 9
9456 #endif
9457 };
9458 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9459
9460 for (i = 0; i < SPEC_COUNT; ++i)
9461 {
9462 len = (int)STRLEN(spec_str[i]);
9463 if (STRNCMP(src, spec_str[i], len) == 0)
9464 {
9465 *usedlen = len;
9466 return i;
9467 }
9468 }
9469 return -1;
9470 }
9471
9472 /*
9473 * Evaluate cmdline variables.
9474 *
9475 * change '%' to curbuf->b_ffname
9476 * '#' to curwin->w_altfile
9477 * '<cword>' to word under the cursor
9478 * '<cWORD>' to WORD under the cursor
9479 * '<cfile>' to path name under the cursor
9480 * '<sfile>' to sourced file name
9481 * '<afile>' to file name for autocommand
9482 * '<abuf>' to buffer number for autocommand
9483 * '<amatch>' to matching name for autocommand
9484 *
9485 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9486 * "" for error without a message) and NULL is returned.
9487 * Returns an allocated string if a valid match was found.
9488 * Returns NULL if no match was found. "usedlen" then still contains the
9489 * number of characters to skip.
9490 */
9491 char_u *
9492 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9493 char_u *src; /* pointer into commandline */
9494 char_u *srcstart; /* beginning of valid memory for src */
9495 int *usedlen; /* characters after src that are used */
9496 linenr_T *lnump; /* line number for :e command, or NULL */
9497 char_u **errormsg; /* pointer to error message */
9498 int *escaped; /* return value has escaped white space (can
9499 * be NULL) */
9500 {
9501 int i;
9502 char_u *s;
9503 char_u *result;
9504 char_u *resultbuf = NULL;
9505 int resultlen;
9506 buf_T *buf;
9507 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9508 int spec_idx;
9509 #ifdef FEAT_MODIFY_FNAME
9510 int skip_mod = FALSE;
9511 #endif
9512
9513 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9514 char_u strbuf[30];
9515 #endif
9516
9517 *errormsg = NULL;
9518 if (escaped != NULL)
9519 *escaped = FALSE;
9520
9521 /*
9522 * Check if there is something to do.
9523 */
9524 spec_idx = find_cmdline_var(src, usedlen);
9525 if (spec_idx < 0) /* no match */
9526 {
9527 *usedlen = 1;
9528 return NULL;
9529 }
9530
9531 /*
9532 * Skip when preceded with a backslash "\%" and "\#".
9533 * Note: In "\\%" the % is also not recognized!
9534 */
9535 if (src > srcstart && src[-1] == '\\')
9536 {
9537 *usedlen = 0;
9538 STRMOVE(src - 1, src); /* remove backslash */
9539 return NULL;
9540 }
9541
9542 /*
9543 * word or WORD under cursor
9544 */
9545 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9546 {
9547 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9548 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9549 if (resultlen == 0)
9550 {
9551 *errormsg = (char_u *)"";
9552 return NULL;
9553 }
9554 }
9555
9556 /*
9557 * '#': Alternate file name
9558 * '%': Current file name
9559 * File name under the cursor
9560 * File name for autocommand
9561 * and following modifiers
9562 */
9563 else
9564 {
9565 switch (spec_idx)
9566 {
9567 case SPEC_PERC: /* '%': current file */
9568 if (curbuf->b_fname == NULL)
9569 {
9570 result = (char_u *)"";
9571 valid = 0; /* Must have ":p:h" to be valid */
9572 }
9573 else
9574 #ifdef RISCOS
9575 /* Always use the full path for RISC OS if possible. */
9576 result = curbuf->b_ffname;
9577 if (result == NULL)
9578 result = curbuf->b_fname;
9579 #else
9580 result = curbuf->b_fname;
9581 #endif
9582 break;
9583
9584 case SPEC_HASH: /* '#' or "#99": alternate file */
9585 if (src[1] == '#') /* "##": the argument list */
9586 {
9587 result = arg_all();
9588 resultbuf = result;
9589 *usedlen = 2;
9590 if (escaped != NULL)
9591 *escaped = TRUE;
9592 #ifdef FEAT_MODIFY_FNAME
9593 skip_mod = TRUE;
9594 #endif
9595 break;
9596 }
9597 s = src + 1;
9598 if (*s == '<') /* "#<99" uses v:oldfiles */
9599 ++s;
9600 i = (int)getdigits(&s);
9601 *usedlen = (int)(s - src); /* length of what we expand */
9602
9603 if (src[1] == '<')
9604 {
9605 if (*usedlen < 2)
9606 {
9607 /* Should we give an error message for #<text? */
9608 *usedlen = 1;
9609 return NULL;
9610 }
9611 #ifdef FEAT_EVAL
9612 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9613 (long)i);
9614 if (result == NULL)
9615 {
9616 *errormsg = (char_u *)"";
9617 return NULL;
9618 }
9619 #else
9620 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9621 return NULL;
9622 #endif
9623 }
9624 else
9625 {
9626 buf = buflist_findnr(i);
9627 if (buf == NULL)
9628 {
9629 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9630 return NULL;
9631 }
9632 if (lnump != NULL)
9633 *lnump = ECMD_LAST;
9634 if (buf->b_fname == NULL)
9635 {
9636 result = (char_u *)"";
9637 valid = 0; /* Must have ":p:h" to be valid */
9638 }
9639 else
9640 result = buf->b_fname;
9641 }
9642 break;
9643
9644 #ifdef FEAT_SEARCHPATH
9645 case SPEC_CFILE: /* file name under cursor */
9646 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9647 if (result == NULL)
9648 {
9649 *errormsg = (char_u *)"";
9650 return NULL;
9651 }
9652 resultbuf = result; /* remember allocated string */
9653 break;
9654 #endif
9655
9656 #ifdef FEAT_AUTOCMD
9657 case SPEC_AFILE: /* file name for autocommand */
9658 result = autocmd_fname;
9659 if (result != NULL && !autocmd_fname_full)
9660 {
9661 /* Still need to turn the fname into a full path. It is
9662 * postponed to avoid a delay when <afile> is not used. */
9663 autocmd_fname_full = TRUE;
9664 result = FullName_save(autocmd_fname, FALSE);
9665 vim_free(autocmd_fname);
9666 autocmd_fname = result;
9667 }
9668 if (result == NULL)
9669 {
9670 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9671 return NULL;
9672 }
9673 result = shorten_fname1(result);
9674 break;
9675
9676 case SPEC_ABUF: /* buffer number for autocommand */
9677 if (autocmd_bufnr <= 0)
9678 {
9679 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9680 return NULL;
9681 }
9682 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9683 result = strbuf;
9684 break;
9685
9686 case SPEC_AMATCH: /* match name for autocommand */
9687 result = autocmd_match;
9688 if (result == NULL)
9689 {
9690 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9691 return NULL;
9692 }
9693 break;
9694
9695 #endif
9696 case SPEC_SFILE: /* file name for ":so" command */
9697 result = sourcing_name;
9698 if (result == NULL)
9699 {
9700 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9701 return NULL;
9702 }
9703 break;
9704 #if defined(FEAT_CLIENTSERVER)
9705 case SPEC_CLIENT: /* Source of last submitted input */
9706 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9707 (long_u)clientWindow);
9708 result = strbuf;
9709 break;
9710 #endif
9711 }
9712
9713 resultlen = (int)STRLEN(result); /* length of new string */
9714 if (src[*usedlen] == '<') /* remove the file name extension */
9715 {
9716 ++*usedlen;
9717 #ifdef RISCOS
9718 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9719 #else
9720 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9721 #endif
9722 resultlen = (int)(s - result);
9723 }
9724 #ifdef FEAT_MODIFY_FNAME
9725 else if (!skip_mod)
9726 {
9727 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9728 &resultlen);
9729 if (result == NULL)
9730 {
9731 *errormsg = (char_u *)"";
9732 return NULL;
9733 }
9734 }
9735 #endif
9736 }
9737
9738 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9739 {
9740 if (valid != VALID_HEAD + VALID_PATH)
9741 /* xgettext:no-c-format */
9742 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9743 else
9744 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9745 result = NULL;
9746 }
9747 else
9748 result = vim_strnsave(result, resultlen);
9749 vim_free(resultbuf);
9750 return result;
9751 }
9752
9753 /*
9754 * Concatenate all files in the argument list, separated by spaces, and return
9755 * it in one allocated string.
9756 * Spaces and backslashes in the file names are escaped with a backslash.
9757 * Returns NULL when out of memory.
9758 */
9759 static char_u *
9760 arg_all()
9761 {
9762 int len;
9763 int idx;
9764 char_u *retval = NULL;
9765 char_u *p;
9766
9767 /*
9768 * Do this loop two times:
9769 * first time: compute the total length
9770 * second time: concatenate the names
9771 */
9772 for (;;)
9773 {
9774 len = 0;
9775 for (idx = 0; idx < ARGCOUNT; ++idx)
9776 {
9777 p = alist_name(&ARGLIST[idx]);
9778 if (p != NULL)
9779 {
9780 if (len > 0)
9781 {
9782 /* insert a space in between names */
9783 if (retval != NULL)
9784 retval[len] = ' ';
9785 ++len;
9786 }
9787 for ( ; *p != NUL; ++p)
9788 {
9789 if (*p == ' ' || *p == '\\')
9790 {
9791 /* insert a backslash */
9792 if (retval != NULL)
9793 retval[len] = '\\';
9794 ++len;
9795 }
9796 if (retval != NULL)
9797 retval[len] = *p;
9798 ++len;
9799 }
9800 }
9801 }
9802
9803 /* second time: break here */
9804 if (retval != NULL)
9805 {
9806 retval[len] = NUL;
9807 break;
9808 }
9809
9810 /* allocate memory */
9811 retval = alloc(len + 1);
9812 if (retval == NULL)
9813 break;
9814 }
9815
9816 return retval;
9817 }
9818
9819 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9820 /*
9821 * Expand the <sfile> string in "arg".
9822 *
9823 * Returns an allocated string, or NULL for any error.
9824 */
9825 char_u *
9826 expand_sfile(arg)
9827 char_u *arg;
9828 {
9829 char_u *errormsg;
9830 int len;
9831 char_u *result;
9832 char_u *newres;
9833 char_u *repl;
9834 int srclen;
9835 char_u *p;
9836
9837 result = vim_strsave(arg);
9838 if (result == NULL)
9839 return NULL;
9840
9841 for (p = result; *p; )
9842 {
9843 if (STRNCMP(p, "<sfile>", 7) != 0)
9844 ++p;
9845 else
9846 {
9847 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9848 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9849 if (errormsg != NULL)
9850 {
9851 if (*errormsg)
9852 emsg(errormsg);
9853 vim_free(result);
9854 return NULL;
9855 }
9856 if (repl == NULL) /* no match (cannot happen) */
9857 {
9858 p += srclen;
9859 continue;
9860 }
9861 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9862 newres = alloc(len);
9863 if (newres == NULL)
9864 {
9865 vim_free(repl);
9866 vim_free(result);
9867 return NULL;
9868 }
9869 mch_memmove(newres, result, (size_t)(p - result));
9870 STRCPY(newres + (p - result), repl);
9871 len = (int)STRLEN(newres);
9872 STRCAT(newres, p + srclen);
9873 vim_free(repl);
9874 vim_free(result);
9875 result = newres;
9876 p = newres + len; /* continue after the match */
9877 }
9878 }
9879
9880 return result;
9881 }
9882 #endif
9883
9884 #ifdef FEAT_SESSION
9885 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9886 win_T *tab_firstwin));
9887 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9888 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9889 static int ses_do_frame __ARGS((frame_T *fr));
9890 static int ses_do_win __ARGS((win_T *wp));
9891 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9892 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9893 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9894
9895 /*
9896 * Write openfile commands for the current buffers to an .exrc file.
9897 * Return FAIL on error, OK otherwise.
9898 */
9899 static int
9900 makeopens(fd, dirnow)
9901 FILE *fd;
9902 char_u *dirnow; /* Current directory name */
9903 {
9904 buf_T *buf;
9905 int only_save_windows = TRUE;
9906 int nr;
9907 int cnr = 1;
9908 int restore_size = TRUE;
9909 win_T *wp;
9910 char_u *sname;
9911 win_T *edited_win = NULL;
9912 int tabnr;
9913 win_T *tab_firstwin;
9914 frame_T *tab_topframe;
9915 int cur_arg_idx = 0;
9916 int next_arg_idx = 0;
9917
9918 if (ssop_flags & SSOP_BUFFERS)
9919 only_save_windows = FALSE; /* Save ALL buffers */
9920
9921 /*
9922 * Begin by setting the this_session variable, and then other
9923 * sessionable variables.
9924 */
9925 #ifdef FEAT_EVAL
9926 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9927 return FAIL;
9928 if (ssop_flags & SSOP_GLOBALS)
9929 if (store_session_globals(fd) == FAIL)
9930 return FAIL;
9931 #endif
9932
9933 /*
9934 * Close all windows but one.
9935 */
9936 if (put_line(fd, "silent only") == FAIL)
9937 return FAIL;
9938
9939 /*
9940 * Now a :cd command to the session directory or the current directory
9941 */
9942 if (ssop_flags & SSOP_SESDIR)
9943 {
9944 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9945 == FAIL)
9946 return FAIL;
9947 }
9948 else if (ssop_flags & SSOP_CURDIR)
9949 {
9950 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9951 if (sname == NULL
9952 || fputs("cd ", fd) < 0
9953 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9954 || put_eol(fd) == FAIL)
9955 {
9956 vim_free(sname);
9957 return FAIL;
9958 }
9959 vim_free(sname);
9960 }
9961
9962 /*
9963 * If there is an empty, unnamed buffer we will wipe it out later.
9964 * Remember the buffer number.
9965 */
9966 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9967 return FAIL;
9968 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9969 return FAIL;
9970 if (put_line(fd, "endif") == FAIL)
9971 return FAIL;
9972
9973 /*
9974 * Now save the current files, current buffer first.
9975 */
9976 if (put_line(fd, "set shortmess=aoO") == FAIL)
9977 return FAIL;
9978
9979 /* Now put the other buffers into the buffer list */
9980 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9981 {
9982 if (!(only_save_windows && buf->b_nwindows == 0)
9983 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9984 && buf->b_fname != NULL
9985 && buf->b_p_bl)
9986 {
9987 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9988 : buf->b_wininfo->wi_fpos.lnum) < 0
9989 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9990 return FAIL;
9991 }
9992 }
9993
9994 /* the global argument list */
9995 if (ses_arglist(fd, "args", &global_alist.al_ga,
9996 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9997 return FAIL;
9998
9999 if (ssop_flags & SSOP_RESIZE)
10000 {
10001 /* Note: after the restore we still check it worked!*/
10002 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
10003 || put_eol(fd) == FAIL)
10004 return FAIL;
10005 #ifdef FEAT_FULLSCREEN
10006 /* fullscreen needs to be set after lines and columns */
10007 if (p_fullscreen)
10008 {
10009 if (fprintf(fd, "set fullscreen") < 0 || put_eol(fd) == FAIL)
10010 return FAIL;
10011 }
10012 #endif
10013 }
10014
10015 #ifdef FEAT_GUI
10016 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
10017 {
10018 int x, y;
10019
10020 if (gui_mch_get_winpos(&x, &y) == OK)
10021 {
10022 /* Note: after the restore we still check it worked!*/
10023 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10024 return FAIL;
10025 }
10026 }
10027 #endif
10028
10029 /*
10030 * May repeat putting Windows for each tab, when "tabpages" is in
10031 * 'sessionoptions'.
10032 * Don't use goto_tabpage(), it may change directory and trigger
10033 * autocommands.
10034 */
10035 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10036 tab_topframe = topframe;
10037 for (tabnr = 1; ; ++tabnr)
10038 {
10039 int need_tabnew = FALSE;
10040
10041 if ((ssop_flags & SSOP_TABPAGES))
10042 {
10043 tabpage_T *tp = find_tabpage(tabnr);
10044
10045 if (tp == NULL)
10046 break; /* done all tab pages */
10047 if (tp == curtab)
10048 {
10049 tab_firstwin = firstwin;
10050 tab_topframe = topframe;
10051 }
10052 else
10053 {
10054 tab_firstwin = tp->tp_firstwin;
10055 tab_topframe = tp->tp_topframe;
10056 }
10057 if (tabnr > 1)
10058 need_tabnew = TRUE;
10059 }
10060
10061 /*
10062 * Before creating the window layout, try loading one file. If this
10063 * is aborted we don't end up with a number of useless windows.
10064 * This may have side effects! (e.g., compressed or network file).
10065 */
10066 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10067 {
10068 if (ses_do_win(wp)
10069 && wp->w_buffer->b_ffname != NULL
10070 && !wp->w_buffer->b_help
10071 #ifdef FEAT_QUICKFIX
10072 && !bt_nofile(wp->w_buffer)
10073 #endif
10074 )
10075 {
10076 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10077 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10078 return FAIL;
10079 need_tabnew = FALSE;
10080 if (!wp->w_arg_idx_invalid)
10081 edited_win = wp;
10082 break;
10083 }
10084 }
10085
10086 /* If no file got edited create an empty tab page. */
10087 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10088 return FAIL;
10089
10090 /*
10091 * Save current window layout.
10092 */
10093 if (put_line(fd, "set splitbelow splitright") == FAIL)
10094 return FAIL;
10095 if (ses_win_rec(fd, tab_topframe) == FAIL)
10096 return FAIL;
10097 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10098 return FAIL;
10099 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10100 return FAIL;
10101
10102 /*
10103 * Check if window sizes can be restored (no windows omitted).
10104 * Remember the window number of the current window after restoring.
10105 */
10106 nr = 0;
10107 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10108 {
10109 if (ses_do_win(wp))
10110 ++nr;
10111 else
10112 restore_size = FALSE;
10113 if (curwin == wp)
10114 cnr = nr;
10115 }
10116
10117 /* Go to the first window. */
10118 if (put_line(fd, "wincmd t") == FAIL)
10119 return FAIL;
10120
10121 /*
10122 * If more than one window, see if sizes can be restored.
10123 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10124 * resized when moving between windows.
10125 * Do this before restoring the view, so that the topline and the
10126 * cursor can be set. This is done again below.
10127 */
10128 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10129 return FAIL;
10130 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10131 return FAIL;
10132
10133 /*
10134 * Restore the view of the window (options, file, cursor, etc.).
10135 */
10136 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10137 {
10138 if (!ses_do_win(wp))
10139 continue;
10140 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10141 cur_arg_idx) == FAIL)
10142 return FAIL;
10143 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10144 return FAIL;
10145 next_arg_idx = wp->w_arg_idx;
10146 }
10147
10148 /* The argument index in the first tab page is zero, need to set it in
10149 * each window. For further tab pages it's the window where we do
10150 * "tabedit". */
10151 cur_arg_idx = next_arg_idx;
10152
10153 /*
10154 * Restore cursor to the current window if it's not the first one.
10155 */
10156 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10157 || put_eol(fd) == FAIL))
10158 return FAIL;
10159
10160 /*
10161 * Restore window sizes again after jumping around in windows, because
10162 * the current window has a minimum size while others may not.
10163 */
10164 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10165 return FAIL;
10166
10167 /* Don't continue in another tab page when doing only the current one
10168 * or when at the last tab page. */
10169 if (!(ssop_flags & SSOP_TABPAGES))
10170 break;
10171 }
10172
10173 if (ssop_flags & SSOP_TABPAGES)
10174 {
10175 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10176 || put_eol(fd) == FAIL)
10177 return FAIL;
10178 }
10179
10180 /*
10181 * Wipe out an empty unnamed buffer we started in.
10182 */
10183 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10184 return FAIL;
10185 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10186 return FAIL;
10187 if (put_line(fd, "endif") == FAIL)
10188 return FAIL;
10189 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10190 return FAIL;
10191
10192 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10193 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10194 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10195 return FAIL;
10196
10197 /*
10198 * Lastly, execute the x.vim file if it exists.
10199 */
10200 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10201 || put_line(fd, "if file_readable(s:sx)") == FAIL
10202 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10203 || put_line(fd, "endif") == FAIL)
10204 return FAIL;
10205
10206 return OK;
10207 }
10208
10209 static int
10210 ses_winsizes(fd, restore_size, tab_firstwin)
10211 FILE *fd;
10212 int restore_size;
10213 win_T *tab_firstwin;
10214 {
10215 int n = 0;
10216 win_T *wp;
10217
10218 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10219 {
10220 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10221 {
10222 if (!ses_do_win(wp))
10223 continue;
10224 ++n;
10225
10226 /* restore height when not full height */
10227 if (wp->w_height + wp->w_status_height < topframe->fr_height
10228 && (fprintf(fd,
10229 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10230 n, (long)wp->w_height, Rows / 2, Rows) < 0
10231 || put_eol(fd) == FAIL))
10232 return FAIL;
10233
10234 /* restore width when not full width */
10235 if (wp->w_width < Columns && (fprintf(fd,
10236 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10237 n, (long)wp->w_width, Columns / 2, Columns) < 0
10238 || put_eol(fd) == FAIL))
10239 return FAIL;
10240 }
10241 }
10242 else
10243 {
10244 /* Just equalise window sizes */
10245 if (put_line(fd, "wincmd =") == FAIL)
10246 return FAIL;
10247 }
10248 return OK;
10249 }
10250
10251 /*
10252 * Write commands to "fd" to recursively create windows for frame "fr",
10253 * horizontally and vertically split.
10254 * After the commands the last window in the frame is the current window.
10255 * Returns FAIL when writing the commands to "fd" fails.
10256 */
10257 static int
10258 ses_win_rec(fd, fr)
10259 FILE *fd;
10260 frame_T *fr;
10261 {
10262 frame_T *frc;
10263 int count = 0;
10264
10265 if (fr->fr_layout != FR_LEAF)
10266 {
10267 /* Find first frame that's not skipped and then create a window for
10268 * each following one (first frame is already there). */
10269 frc = ses_skipframe(fr->fr_child);
10270 if (frc != NULL)
10271 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10272 {
10273 /* Make window as big as possible so that we have lots of room
10274 * to split. */
10275 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10276 || put_line(fd, fr->fr_layout == FR_COL
10277 ? "split" : "vsplit") == FAIL)
10278 return FAIL;
10279 ++count;
10280 }
10281
10282 /* Go back to the first window. */
10283 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10284 ? "%dwincmd k" : "%dwincmd h", count) < 0
10285 || put_eol(fd) == FAIL))
10286 return FAIL;
10287
10288 /* Recursively create frames/windows in each window of this column or
10289 * row. */
10290 frc = ses_skipframe(fr->fr_child);
10291 while (frc != NULL)
10292 {
10293 ses_win_rec(fd, frc);
10294 frc = ses_skipframe(frc->fr_next);
10295 /* Go to next window. */
10296 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10297 return FAIL;
10298 }
10299 }
10300 return OK;
10301 }
10302
10303 /*
10304 * Skip frames that don't contain windows we want to save in the Session.
10305 * Returns NULL when there none.
10306 */
10307 static frame_T *
10308 ses_skipframe(fr)
10309 frame_T *fr;
10310 {
10311 frame_T *frc;
10312
10313 for (frc = fr; frc != NULL; frc = frc->fr_next)
10314 if (ses_do_frame(frc))
10315 break;
10316 return frc;
10317 }
10318
10319 /*
10320 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10321 * the Session.
10322 */
10323 static int
10324 ses_do_frame(fr)
10325 frame_T *fr;
10326 {
10327 frame_T *frc;
10328
10329 if (fr->fr_layout == FR_LEAF)
10330 return ses_do_win(fr->fr_win);
10331 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10332 if (ses_do_frame(frc))
10333 return TRUE;
10334 return FALSE;
10335 }
10336
10337 /*
10338 * Return non-zero if window "wp" is to be stored in the Session.
10339 */
10340 static int
10341 ses_do_win(wp)
10342 win_T *wp;
10343 {
10344 if (wp->w_buffer->b_fname == NULL
10345 #ifdef FEAT_QUICKFIX
10346 /* When 'buftype' is "nofile" can't restore the window contents. */
10347 || bt_nofile(wp->w_buffer)
10348 #endif
10349 )
10350 return (ssop_flags & SSOP_BLANK);
10351 if (wp->w_buffer->b_help)
10352 return (ssop_flags & SSOP_HELP);
10353 return TRUE;
10354 }
10355
10356 /*
10357 * Write commands to "fd" to restore the view of a window.
10358 * Caller must make sure 'scrolloff' is zero.
10359 */
10360 static int
10361 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10362 FILE *fd;
10363 win_T *wp;
10364 int add_edit; /* add ":edit" command to view */
10365 unsigned *flagp; /* vop_flags or ssop_flags */
10366 int current_arg_idx; /* current argument index of the window, use
10367 * -1 if unknown */
10368 {
10369 win_T *save_curwin;
10370 int f;
10371 int do_cursor;
10372 int did_next = FALSE;
10373
10374 /* Always restore cursor position for ":mksession". For ":mkview" only
10375 * when 'viewoptions' contains "cursor". */
10376 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10377
10378 /*
10379 * Local argument list.
10380 */
10381 if (wp->w_alist == &global_alist)
10382 {
10383 if (put_line(fd, "argglobal") == FAIL)
10384 return FAIL;
10385 }
10386 else
10387 {
10388 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10389 flagp == &vop_flags
10390 || !(*flagp & SSOP_CURDIR)
10391 || wp->w_localdir != NULL, flagp) == FAIL)
10392 return FAIL;
10393 }
10394
10395 /* Only when part of a session: restore the argument index. Some
10396 * arguments may have been deleted, check if the index is valid. */
10397 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10398 && flagp == &ssop_flags)
10399 {
10400 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10401 || put_eol(fd) == FAIL)
10402 return FAIL;
10403 did_next = TRUE;
10404 }
10405
10406 /* Edit the file. Skip this when ":next" already did it. */
10407 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10408 {
10409 /*
10410 * Load the file.
10411 */
10412 if (wp->w_buffer->b_ffname != NULL
10413 #ifdef FEAT_QUICKFIX
10414 && !bt_nofile(wp->w_buffer)
10415 #endif
10416 )
10417 {
10418 /*
10419 * Editing a file in this buffer: use ":edit file".
10420 * This may have side effects! (e.g., compressed or network file).
10421 */
10422 if (fputs("edit ", fd) < 0
10423 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10424 return FAIL;
10425 }
10426 else
10427 {
10428 /* No file in this buffer, just make it empty. */
10429 if (put_line(fd, "enew") == FAIL)
10430 return FAIL;
10431 #ifdef FEAT_QUICKFIX
10432 if (wp->w_buffer->b_ffname != NULL)
10433 {
10434 /* The buffer does have a name, but it's not a file name. */
10435 if (fputs("file ", fd) < 0
10436 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10437 return FAIL;
10438 }
10439 #endif
10440 do_cursor = FALSE;
10441 }
10442 }
10443
10444 /*
10445 * Local mappings and abbreviations.
10446 */
10447 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10448 && makemap(fd, wp->w_buffer) == FAIL)
10449 return FAIL;
10450
10451 /*
10452 * Local options. Need to go to the window temporarily.
10453 * Store only local values when using ":mkview" and when ":mksession" is
10454 * used and 'sessionoptions' doesn't include "options".
10455 * Some folding options are always stored when "folds" is included,
10456 * otherwise the folds would not be restored correctly.
10457 */
10458 save_curwin = curwin;
10459 curwin = wp;
10460 curbuf = curwin->w_buffer;
10461 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10462 f = makeset(fd, OPT_LOCAL,
10463 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10464 #ifdef FEAT_FOLDING
10465 else if (*flagp & SSOP_FOLDS)
10466 f = makefoldset(fd);
10467 #endif
10468 else
10469 f = OK;
10470 curwin = save_curwin;
10471 curbuf = curwin->w_buffer;
10472 if (f == FAIL)
10473 return FAIL;
10474
10475 #ifdef FEAT_FOLDING
10476 /*
10477 * Save Folds when 'buftype' is empty and for help files.
10478 */
10479 if ((*flagp & SSOP_FOLDS)
10480 && wp->w_buffer->b_ffname != NULL
10481 # ifdef FEAT_QUICKFIX
10482 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10483 # endif
10484 )
10485 {
10486 if (put_folds(fd, wp) == FAIL)
10487 return FAIL;
10488 }
10489 #endif
10490
10491 /*
10492 * Set the cursor after creating folds, since that moves the cursor.
10493 */
10494 if (do_cursor)
10495 {
10496
10497 /* Restore the cursor line in the file and relatively in the
10498 * window. Don't use "G", it changes the jumplist. */
10499 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10500 (long)wp->w_cursor.lnum,
10501 (long)(wp->w_cursor.lnum - wp->w_topline),
10502 (long)wp->w_height / 2, (long)wp->w_height) < 0
10503 || put_eol(fd) == FAIL
10504 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10505 || put_line(fd, "exe s:l") == FAIL
10506 || put_line(fd, "normal! zt") == FAIL
10507 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10508 || put_eol(fd) == FAIL)
10509 return FAIL;
10510 /* Restore the cursor column and left offset when not wrapping. */
10511 if (wp->w_cursor.col == 0)
10512 {
10513 if (put_line(fd, "normal! 0") == FAIL)
10514 return FAIL;
10515 }
10516 else
10517 {
10518 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10519 {
10520 if (fprintf(fd,
10521 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10522 (long)wp->w_cursor.col,
10523 (long)(wp->w_cursor.col - wp->w_leftcol),
10524 (long)wp->w_width / 2, (long)wp->w_width) < 0
10525 || put_eol(fd) == FAIL
10526 || put_line(fd, "if s:c > 0") == FAIL
10527 || fprintf(fd,
10528 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10529 (long)wp->w_cursor.col) < 0
10530 || put_eol(fd) == FAIL
10531 || put_line(fd, "else") == FAIL
10532 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10533 || put_eol(fd) == FAIL
10534 || put_line(fd, "endif") == FAIL)
10535 return FAIL;
10536 }
10537 else
10538 {
10539 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10540 || put_eol(fd) == FAIL)
10541 return FAIL;
10542 }
10543 }
10544 }
10545
10546 /*
10547 * Local directory.
10548 */
10549 if (wp->w_localdir != NULL)
10550 {
10551 if (fputs("lcd ", fd) < 0
10552 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10553 || put_eol(fd) == FAIL)
10554 return FAIL;
10555 did_lcd = TRUE;
10556 }
10557
10558 return OK;
10559 }
10560
10561 /*
10562 * Write an argument list to the session file.
10563 * Returns FAIL if writing fails.
10564 */
10565 static int
10566 ses_arglist(fd, cmd, gap, fullname, flagp)
10567 FILE *fd;
10568 char *cmd;
10569 garray_T *gap;
10570 int fullname; /* TRUE: use full path name */
10571 unsigned *flagp;
10572 {
10573 int i;
10574 char_u buf[MAXPATHL];
10575 char_u *s;
10576
10577 if (gap->ga_len == 0)
10578 return put_line(fd, "silent! argdel *");
10579 if (fputs(cmd, fd) < 0)
10580 return FAIL;
10581 for (i = 0; i < gap->ga_len; ++i)
10582 {
10583 /* NULL file names are skipped (only happens when out of memory). */
10584 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10585 if (s != NULL)
10586 {
10587 if (fullname)
10588 {
10589 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10590 s = buf;
10591 }
10592 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10593 return FAIL;
10594 }
10595 }
10596 return put_eol(fd);
10597 }
10598
10599 /*
10600 * Write a buffer name to the session file.
10601 * Also ends the line.
10602 * Returns FAIL if writing fails.
10603 */
10604 static int
10605 ses_fname(fd, buf, flagp)
10606 FILE *fd;
10607 buf_T *buf;
10608 unsigned *flagp;
10609 {
10610 char_u *name;
10611
10612 /* Use the short file name if the current directory is known at the time
10613 * the session file will be sourced.
10614 * Don't do this for ":mkview", we don't know the current directory.
10615 * Don't do this after ":lcd", we don't keep track of what the current
10616 * directory is. */
10617 if (buf->b_sfname != NULL
10618 && flagp == &ssop_flags
10619 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10620 && !did_lcd)
10621 name = buf->b_sfname;
10622 else
10623 name = buf->b_ffname;
10624 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10625 return FAIL;
10626 return OK;
10627 }
10628
10629 /*
10630 * Write a file name to the session file.
10631 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10632 * characters.
10633 * Returns FAIL if writing fails.
10634 */
10635 static int
10636 ses_put_fname(fd, name, flagp)
10637 FILE *fd;
10638 char_u *name;
10639 unsigned *flagp;
10640 {
10641 char_u *sname;
10642 int retval = OK;
10643 int c;
10644
10645 sname = home_replace_save(NULL, name);
10646 if (sname != NULL)
10647 name = sname;
10648 while (*name != NUL)
10649 {
10650 #ifdef FEAT_MBYTE
10651 {
10652 int l;
10653
10654 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10655 {
10656 /* copy a multibyte char */
10657 while (--l >= 0)
10658 {
10659 if (putc(*name, fd) != *name)
10660 retval = FAIL;
10661 ++name;
10662 }
10663 continue;
10664 }
10665 }
10666 #endif
10667 c = *name++;
10668 if (c == '\\' && (*flagp & SSOP_SLASH))
10669 /* change a backslash to a forward slash */
10670 c = '/';
10671 else if ((vim_strchr(escape_chars, c) != NULL
10672 #ifdef BACKSLASH_IN_FILENAME
10673 && c != '\\'
10674 #endif
10675 ) || c == '#' || c == '%')
10676 {
10677 /* escape a special character with a backslash */
10678 if (putc('\\', fd) != '\\')
10679 retval = FAIL;
10680 }
10681 if (putc(c, fd) != c)
10682 retval = FAIL;
10683 }
10684 vim_free(sname);
10685 return retval;
10686 }
10687
10688 /*
10689 * ":loadview [nr]"
10690 */
10691 static void
10692 ex_loadview(eap)
10693 exarg_T *eap;
10694 {
10695 char_u *fname;
10696
10697 fname = get_view_file(*eap->arg);
10698 if (fname != NULL)
10699 {
10700 do_source(fname, FALSE, DOSO_NONE);
10701 vim_free(fname);
10702 }
10703 }
10704
10705 /*
10706 * Get the name of the view file for the current buffer.
10707 */
10708 static char_u *
10709 get_view_file(c)
10710 int c;
10711 {
10712 int len = 0;
10713 char_u *p, *s;
10714 char_u *retval;
10715 char_u *sname;
10716
10717 if (curbuf->b_ffname == NULL)
10718 {
10719 EMSG(_(e_noname));
10720 return NULL;
10721 }
10722 sname = home_replace_save(NULL, curbuf->b_ffname);
10723 if (sname == NULL)
10724 return NULL;
10725
10726 /*
10727 * We want a file name without separators, because we're not going to make
10728 * a directory.
10729 * "normal" path separator -> "=+"
10730 * "=" -> "=="
10731 * ":" path separator -> "=-"
10732 */
10733 for (p = sname; *p; ++p)
10734 if (*p == '=' || vim_ispathsep(*p))
10735 ++len;
10736 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10737 if (retval != NULL)
10738 {
10739 STRCPY(retval, p_vdir);
10740 add_pathsep(retval);
10741 s = retval + STRLEN(retval);
10742 for (p = sname; *p; ++p)
10743 {
10744 if (*p == '=')
10745 {
10746 *s++ = '=';
10747 *s++ = '=';
10748 }
10749 else if (vim_ispathsep(*p))
10750 {
10751 *s++ = '=';
10752 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10753 || defined(VMS)
10754 if (*p == ':')
10755 *s++ = '-';
10756 else
10757 #endif
10758 *s++ = '+';
10759 }
10760 else
10761 *s++ = *p;
10762 }
10763 *s++ = '=';
10764 *s++ = c;
10765 STRCPY(s, ".vim");
10766 }
10767
10768 vim_free(sname);
10769 return retval;
10770 }
10771
10772 #endif /* FEAT_SESSION */
10773
10774 /*
10775 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10776 * Return FAIL for a write error.
10777 */
10778 int
10779 put_eol(fd)
10780 FILE *fd;
10781 {
10782 if (
10783 #ifdef USE_CRNL
10784 (
10785 # ifdef MKSESSION_NL
10786 !mksession_nl &&
10787 # endif
10788 (putc('\r', fd) < 0)) ||
10789 #endif
10790 (putc('\n', fd) < 0))
10791 return FAIL;
10792 return OK;
10793 }
10794
10795 /*
10796 * Write a line to "fd".
10797 * Return FAIL for a write error.
10798 */
10799 int
10800 put_line(fd, s)
10801 FILE *fd;
10802 char *s;
10803 {
10804 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10805 return FAIL;
10806 return OK;
10807 }
10808
10809 #ifdef FEAT_VIMINFO
10810 /*
10811 * ":rviminfo" and ":wviminfo".
10812 */
10813 static void
10814 ex_viminfo(eap)
10815 exarg_T *eap;
10816 {
10817 char_u *save_viminfo;
10818
10819 save_viminfo = p_viminfo;
10820 if (*p_viminfo == NUL)
10821 p_viminfo = (char_u *)"'100";
10822 if (eap->cmdidx == CMD_rviminfo)
10823 {
10824 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10825 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10826 EMSG(_("E195: Cannot open viminfo file for reading"));
10827 }
10828 else
10829 write_viminfo(eap->arg, eap->forceit);
10830 p_viminfo = save_viminfo;
10831 }
10832 #endif
10833
10834 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10835 /*
10836 * Make a dialog message in "buff[IOSIZE]".
10837 * "format" must contain "%s".
10838 */
10839 void
10840 dialog_msg(buff, format, fname)
10841 char_u *buff;
10842 char *format;
10843 char_u *fname;
10844 {
10845 if (fname == NULL)
10846 fname = (char_u *)_("Untitled");
10847 vim_snprintf((char *)buff, IOSIZE, format, fname);
10848 }
10849 #endif
10850
10851 /*
10852 * ":behave {mswin,xterm}"
10853 */
10854 static void
10855 ex_behave(eap)
10856 exarg_T *eap;
10857 {
10858 if (STRCMP(eap->arg, "mswin") == 0)
10859 {
10860 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10861 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10862 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10863 set_option_value((char_u *)"keymodel", 0L,
10864 (char_u *)"startsel,stopsel", 0);
10865 }
10866 else if (STRCMP(eap->arg, "xterm") == 0)
10867 {
10868 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10869 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10870 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10871 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10872 }
10873 else
10874 EMSG2(_(e_invarg2), eap->arg);
10875 }
10876
10877 #ifdef FEAT_AUTOCMD
10878 static int filetype_detect = FALSE;
10879 static int filetype_plugin = FALSE;
10880 static int filetype_indent = FALSE;
10881
10882 /*
10883 * ":filetype [plugin] [indent] {on,off,detect}"
10884 * on: Load the filetype.vim file to install autocommands for file types.
10885 * off: Load the ftoff.vim file to remove all autocommands for file types.
10886 * plugin on: load filetype.vim and ftplugin.vim
10887 * plugin off: load ftplugof.vim
10888 * indent on: load filetype.vim and indent.vim
10889 * indent off: load indoff.vim
10890 */
10891 static void
10892 ex_filetype(eap)
10893 exarg_T *eap;
10894 {
10895 char_u *arg = eap->arg;
10896 int plugin = FALSE;
10897 int indent = FALSE;
10898
10899 if (*eap->arg == NUL)
10900 {
10901 /* Print current status. */
10902 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10903 filetype_detect ? "ON" : "OFF",
10904 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10905 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10906 return;
10907 }
10908
10909 /* Accept "plugin" and "indent" in any order. */
10910 for (;;)
10911 {
10912 if (STRNCMP(arg, "plugin", 6) == 0)
10913 {
10914 plugin = TRUE;
10915 arg = skipwhite(arg + 6);
10916 continue;
10917 }
10918 if (STRNCMP(arg, "indent", 6) == 0)
10919 {
10920 indent = TRUE;
10921 arg = skipwhite(arg + 6);
10922 continue;
10923 }
10924 break;
10925 }
10926 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10927 {
10928 if (*arg == 'o' || !filetype_detect)
10929 {
10930 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10931 filetype_detect = TRUE;
10932 if (plugin)
10933 {
10934 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10935 filetype_plugin = TRUE;
10936 }
10937 if (indent)
10938 {
10939 source_runtime((char_u *)INDENT_FILE, TRUE);
10940 filetype_indent = TRUE;
10941 }
10942 }
10943 if (*arg == 'd')
10944 {
10945 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10946 do_modelines(0);
10947 }
10948 }
10949 else if (STRCMP(arg, "off") == 0)
10950 {
10951 if (plugin || indent)
10952 {
10953 if (plugin)
10954 {
10955 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10956 filetype_plugin = FALSE;
10957 }
10958 if (indent)
10959 {
10960 source_runtime((char_u *)INDOFF_FILE, TRUE);
10961 filetype_indent = FALSE;
10962 }
10963 }
10964 else
10965 {
10966 source_runtime((char_u *)FTOFF_FILE, TRUE);
10967 filetype_detect = FALSE;
10968 }
10969 }
10970 else
10971 EMSG2(_(e_invarg2), arg);
10972 }
10973
10974 /*
10975 * ":setfiletype {name}"
10976 */
10977 static void
10978 ex_setfiletype(eap)
10979 exarg_T *eap;
10980 {
10981 if (!did_filetype)
10982 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10983 }
10984 #endif
10985
10986 /*ARGSUSED*/
10987 static void
10988 ex_digraphs(eap)
10989 exarg_T *eap;
10990 {
10991 #ifdef FEAT_DIGRAPHS
10992 if (*eap->arg != NUL)
10993 putdigraph(eap->arg);
10994 else
10995 listdigraphs();
10996 #else
10997 EMSG(_("E196: No digraphs in this version"));
10998 #endif
10999 }
11000
11001 static void
11002 ex_set(eap)
11003 exarg_T *eap;
11004 {
11005 int flags = 0;
11006
11007 if (eap->cmdidx == CMD_setlocal)
11008 flags = OPT_LOCAL;
11009 else if (eap->cmdidx == CMD_setglobal)
11010 flags = OPT_GLOBAL;
11011 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
11012 if (cmdmod.browse && flags == 0)
11013 ex_options(eap);
11014 else
11015 #endif
11016 (void)do_set(eap->arg, flags);
11017 }
11018
11019 #ifdef FEAT_SEARCH_EXTRA
11020 /*
11021 * ":nohlsearch"
11022 */
11023 /*ARGSUSED*/
11024 static void
11025 ex_nohlsearch(eap)
11026 exarg_T *eap;
11027 {
11028 no_hlsearch = TRUE;
11029 redraw_all_later(SOME_VALID);
11030 }
11031
11032 /*
11033 * ":[N]match {group} {pattern}"
11034 * Sets nextcmd to the start of the next command, if any. Also called when
11035 * skipping commands to find the next command.
11036 */
11037 static void
11038 ex_match(eap)
11039 exarg_T *eap;
11040 {
11041 char_u *p;
11042 char_u *g = NULL;
11043 char_u *end;
11044 int c;
11045 int id;
11046
11047 if (eap->line2 <= 3)
11048 id = eap->line2;
11049 else
11050 {
11051 EMSG(e_invcmd);
11052 return;
11053 }
11054
11055 /* First clear any old pattern. */
11056 if (!eap->skip)
11057 match_delete(curwin, id, FALSE);
11058
11059 if (ends_excmd(*eap->arg))
11060 end = eap->arg;
11061 else if ((STRNICMP(eap->arg, "none", 4) == 0
11062 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11063 end = eap->arg + 4;
11064 else
11065 {
11066 p = skiptowhite(eap->arg);
11067 if (!eap->skip)
11068 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11069 p = skipwhite(p);
11070 if (*p == NUL)
11071 {
11072 /* There must be two arguments. */
11073 EMSG2(_(e_invarg2), eap->arg);
11074 return;
11075 }
11076 end = skip_regexp(p + 1, *p, TRUE, NULL);
11077 if (!eap->skip)
11078 {
11079 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11080 {
11081 eap->errmsg = e_trailing;
11082 return;
11083 }
11084 if (*end != *p)
11085 {
11086 EMSG2(_(e_invarg2), p);
11087 return;
11088 }
11089
11090 c = *end;
11091 *end = NUL;
11092 match_add(curwin, g, p + 1, 10, id);
11093 vim_free(g);
11094 *end = c;
11095 }
11096 }
11097 eap->nextcmd = find_nextcmd(end);
11098 }
11099 #endif
11100
11101 #ifdef FEAT_CRYPT
11102 /*
11103 * ":X": Get crypt key
11104 */
11105 /*ARGSUSED*/
11106 static void
11107 ex_X(eap)
11108 exarg_T *eap;
11109 {
11110 (void)get_crypt_key(TRUE, TRUE);
11111 }
11112 #endif
11113
11114 #ifdef FEAT_FOLDING
11115 static void
11116 ex_fold(eap)
11117 exarg_T *eap;
11118 {
11119 if (foldManualAllowed(TRUE))
11120 foldCreate(eap->line1, eap->line2);
11121 }
11122
11123 static void
11124 ex_foldopen(eap)
11125 exarg_T *eap;
11126 {
11127 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11128 eap->forceit, FALSE);
11129 }
11130
11131 static void
11132 ex_folddo(eap)
11133 exarg_T *eap;
11134 {
11135 linenr_T lnum;
11136
11137 /* First set the marks for all lines closed/open. */
11138 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11139 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11140 ml_setmarked(lnum);
11141
11142 /* Execute the command on the marked lines. */
11143 global_exe(eap->arg);
11144 ml_clearmarked(); /* clear rest of the marks */
11145 }
11146 #endif
Vim for the Mac