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Fix full-screen mode for secondary monitors
[MacVim.git] / src / ex_docmd.c
blobf7f6162c3f20209f876409392542aab2c466bbae
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 #ifdef HAVE_FCNTL_H
17 # include <fcntl.h> /* for chdir() */
18 #endif
19
20 static int quitmore = 0;
21 static int ex_pressedreturn = FALSE;
22 #ifndef FEAT_PRINTER
23 # define ex_hardcopy ex_ni
24 #endif
25
26 #ifdef FEAT_USR_CMDS
27 typedef struct ucmd
28 {
29 char_u *uc_name; /* The command name */
30 long_u uc_argt; /* The argument type */
31 char_u *uc_rep; /* The command's replacement string */
32 long uc_def; /* The default value for a range/count */
33 scid_T uc_scriptID; /* SID where the command was defined */
34 int uc_compl; /* completion type */
35 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
36 char_u *uc_compl_arg; /* completion argument if any */
37 # endif
38 } ucmd_T;
39
40 #define UC_BUFFER 1 /* -buffer: local to current buffer */
41
42 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
43
44 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
45 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
46
47 static void do_ucmd __ARGS((exarg_T *eap));
48 static void ex_command __ARGS((exarg_T *eap));
49 static void ex_delcommand __ARGS((exarg_T *eap));
50 # ifdef FEAT_CMDL_COMPL
51 static char_u *get_user_command_name __ARGS((int idx));
52 # endif
53
54 #else
55 # define ex_command ex_ni
56 # define ex_comclear ex_ni
57 # define ex_delcommand ex_ni
58 #endif
59
60 #ifdef FEAT_EVAL
61 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
62 #else
63 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
64 static int if_level = 0; /* depth in :if */
65 #endif
66 static char_u *find_command __ARGS((exarg_T *eap, int *full));
67
68 static void ex_abbreviate __ARGS((exarg_T *eap));
69 static void ex_map __ARGS((exarg_T *eap));
70 static void ex_unmap __ARGS((exarg_T *eap));
71 static void ex_mapclear __ARGS((exarg_T *eap));
72 static void ex_abclear __ARGS((exarg_T *eap));
73 #ifndef FEAT_MENU
74 # define ex_emenu ex_ni
75 # define ex_menu ex_ni
76 # define ex_menutranslate ex_ni
77 #endif
78 #ifdef FEAT_AUTOCMD
79 static void ex_autocmd __ARGS((exarg_T *eap));
80 static void ex_doautocmd __ARGS((exarg_T *eap));
81 #else
82 # define ex_autocmd ex_ni
83 # define ex_doautocmd ex_ni
84 # define ex_doautoall ex_ni
85 #endif
86 #ifdef FEAT_LISTCMDS
87 static void ex_bunload __ARGS((exarg_T *eap));
88 static void ex_buffer __ARGS((exarg_T *eap));
89 static void ex_bmodified __ARGS((exarg_T *eap));
90 static void ex_bnext __ARGS((exarg_T *eap));
91 static void ex_bprevious __ARGS((exarg_T *eap));
92 static void ex_brewind __ARGS((exarg_T *eap));
93 static void ex_blast __ARGS((exarg_T *eap));
94 #else
95 # define ex_bunload ex_ni
96 # define ex_buffer ex_ni
97 # define ex_bmodified ex_ni
98 # define ex_bnext ex_ni
99 # define ex_bprevious ex_ni
100 # define ex_brewind ex_ni
101 # define ex_blast ex_ni
102 # define buflist_list ex_ni
103 # define ex_checktime ex_ni
104 #endif
105 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
106 # define ex_buffer_all ex_ni
107 #endif
108 static char_u *getargcmd __ARGS((char_u **));
109 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
110 static int getargopt __ARGS((exarg_T *eap));
111 #ifndef FEAT_QUICKFIX
112 # define ex_make ex_ni
113 # define ex_cbuffer ex_ni
114 # define ex_cc ex_ni
115 # define ex_cnext ex_ni
116 # define ex_cfile ex_ni
117 # define qf_list ex_ni
118 # define qf_age ex_ni
119 # define ex_helpgrep ex_ni
120 # define ex_vimgrep ex_ni
121 #endif
122 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
123 # define ex_cclose ex_ni
124 # define ex_copen ex_ni
125 # define ex_cwindow ex_ni
126 #endif
127 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
128 # define ex_cexpr ex_ni
129 #endif
130
131 static int check_more __ARGS((int, int));
132 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
133 static void get_flags __ARGS((exarg_T *eap));
134 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
135 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
136 # define HAVE_EX_SCRIPT_NI
137 static void ex_script_ni __ARGS((exarg_T *eap));
138 #endif
139 static char_u *invalid_range __ARGS((exarg_T *eap));
140 static void correct_range __ARGS((exarg_T *eap));
141 #ifdef FEAT_QUICKFIX
142 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
143 #endif
144 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
145 static void ex_highlight __ARGS((exarg_T *eap));
146 static void ex_colorscheme __ARGS((exarg_T *eap));
147 static void ex_quit __ARGS((exarg_T *eap));
148 static void ex_cquit __ARGS((exarg_T *eap));
149 static void ex_quit_all __ARGS((exarg_T *eap));
150 #ifdef FEAT_WINDOWS
151 static void ex_close __ARGS((exarg_T *eap));
152 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
153 static void ex_only __ARGS((exarg_T *eap));
154 static void ex_resize __ARGS((exarg_T *eap));
155 static void ex_stag __ARGS((exarg_T *eap));
156 static void ex_tabclose __ARGS((exarg_T *eap));
157 static void ex_tabonly __ARGS((exarg_T *eap));
158 static void ex_tabnext __ARGS((exarg_T *eap));
159 static void ex_tabmove __ARGS((exarg_T *eap));
160 static void ex_tabs __ARGS((exarg_T *eap));
161 #else
162 # define ex_close ex_ni
163 # define ex_only ex_ni
164 # define ex_all ex_ni
165 # define ex_resize ex_ni
166 # define ex_splitview ex_ni
167 # define ex_stag ex_ni
168 # define ex_tabnext ex_ni
169 # define ex_tabmove ex_ni
170 # define ex_tabs ex_ni
171 # define ex_tabclose ex_ni
172 # define ex_tabonly ex_ni
173 #endif
174 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
175 static void ex_pclose __ARGS((exarg_T *eap));
176 static void ex_ptag __ARGS((exarg_T *eap));
177 static void ex_pedit __ARGS((exarg_T *eap));
178 #else
179 # define ex_pclose ex_ni
180 # define ex_ptag ex_ni
181 # define ex_pedit ex_ni
182 #endif
183 static void ex_hide __ARGS((exarg_T *eap));
184 static void ex_stop __ARGS((exarg_T *eap));
185 static void ex_exit __ARGS((exarg_T *eap));
186 static void ex_print __ARGS((exarg_T *eap));
187 #ifdef FEAT_BYTEOFF
188 static void ex_goto __ARGS((exarg_T *eap));
189 #else
190 # define ex_goto ex_ni
191 #endif
192 static void ex_shell __ARGS((exarg_T *eap));
193 static void ex_preserve __ARGS((exarg_T *eap));
194 static void ex_recover __ARGS((exarg_T *eap));
195 #ifndef FEAT_LISTCMDS
196 # define ex_argedit ex_ni
197 # define ex_argadd ex_ni
198 # define ex_argdelete ex_ni
199 # define ex_listdo ex_ni
200 #endif
201 static void ex_mode __ARGS((exarg_T *eap));
202 static void ex_wrongmodifier __ARGS((exarg_T *eap));
203 static void ex_find __ARGS((exarg_T *eap));
204 static void ex_open __ARGS((exarg_T *eap));
205 static void ex_edit __ARGS((exarg_T *eap));
206 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
207 # define ex_drop ex_ni
208 #endif
209 #ifndef FEAT_GUI
210 # define ex_gui ex_nogui
211 static void ex_nogui __ARGS((exarg_T *eap));
212 #endif
213 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
214 static void ex_tearoff __ARGS((exarg_T *eap));
215 #else
216 # define ex_tearoff ex_ni
217 #endif
218 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
219 || defined(FEAT_GUI_MACVIM))
220 static void ex_popup __ARGS((exarg_T *eap));
221 #else
222 # define ex_popup ex_ni
223 #endif
224 #ifndef FEAT_GUI_MSWIN
225 # define ex_simalt ex_ni
226 #endif
227 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
228 # define gui_mch_find_dialog ex_ni
229 # define gui_mch_replace_dialog ex_ni
230 #endif
231 #if !defined(FEAT_GUI_GTK)
232 # define ex_helpfind ex_ni
233 #endif
234 #ifndef FEAT_CSCOPE
235 # define do_cscope ex_ni
236 # define do_scscope ex_ni
237 # define do_cstag ex_ni
238 #endif
239 #ifndef FEAT_SYN_HL
240 # define ex_syntax ex_ni
241 #endif
242 #ifndef FEAT_SPELL
243 # define ex_spell ex_ni
244 # define ex_mkspell ex_ni
245 # define ex_spelldump ex_ni
246 # define ex_spellinfo ex_ni
247 # define ex_spellrepall ex_ni
248 #endif
249 #ifndef FEAT_MZSCHEME
250 # define ex_mzscheme ex_script_ni
251 # define ex_mzfile ex_ni
252 #endif
253 #ifndef FEAT_PERL
254 # define ex_perl ex_script_ni
255 # define ex_perldo ex_ni
256 #endif
257 #ifndef FEAT_PYTHON
258 # define ex_python ex_script_ni
259 # define ex_pyfile ex_ni
260 #endif
261 #ifndef FEAT_TCL
262 # define ex_tcl ex_script_ni
263 # define ex_tcldo ex_ni
264 # define ex_tclfile ex_ni
265 #endif
266 #ifndef FEAT_RUBY
267 # define ex_ruby ex_script_ni
268 # define ex_rubydo ex_ni
269 # define ex_rubyfile ex_ni
270 #endif
271 #ifndef FEAT_SNIFF
272 # define ex_sniff ex_ni
273 #endif
274 #ifndef FEAT_KEYMAP
275 # define ex_loadkeymap ex_ni
276 #endif
277 static void ex_swapname __ARGS((exarg_T *eap));
278 static void ex_syncbind __ARGS((exarg_T *eap));
279 static void ex_read __ARGS((exarg_T *eap));
280 static void ex_pwd __ARGS((exarg_T *eap));
281 static void ex_equal __ARGS((exarg_T *eap));
282 static void ex_sleep __ARGS((exarg_T *eap));
283 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
284 static void ex_winsize __ARGS((exarg_T *eap));
285 #ifdef FEAT_WINDOWS
286 static void ex_wincmd __ARGS((exarg_T *eap));
287 #else
288 # define ex_wincmd ex_ni
289 #endif
290 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
291 static void ex_winpos __ARGS((exarg_T *eap));
292 #else
293 # define ex_winpos ex_ni
294 #endif
295 static void ex_operators __ARGS((exarg_T *eap));
296 static void ex_put __ARGS((exarg_T *eap));
297 static void ex_copymove __ARGS((exarg_T *eap));
298 static void ex_may_print __ARGS((exarg_T *eap));
299 static void ex_submagic __ARGS((exarg_T *eap));
300 static void ex_join __ARGS((exarg_T *eap));
301 static void ex_at __ARGS((exarg_T *eap));
302 static void ex_bang __ARGS((exarg_T *eap));
303 static void ex_undo __ARGS((exarg_T *eap));
304 static void ex_redo __ARGS((exarg_T *eap));
305 static void ex_later __ARGS((exarg_T *eap));
306 static void ex_redir __ARGS((exarg_T *eap));
307 static void ex_redraw __ARGS((exarg_T *eap));
308 static void ex_redrawstatus __ARGS((exarg_T *eap));
309 static void close_redir __ARGS((void));
310 static void ex_mkrc __ARGS((exarg_T *eap));
311 static void ex_mark __ARGS((exarg_T *eap));
312 #ifdef FEAT_USR_CMDS
313 static char_u *uc_fun_cmd __ARGS((void));
314 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
315 #endif
316 #ifdef FEAT_EX_EXTRA
317 static void ex_normal __ARGS((exarg_T *eap));
318 static void ex_startinsert __ARGS((exarg_T *eap));
319 static void ex_stopinsert __ARGS((exarg_T *eap));
320 #else
321 # define ex_normal ex_ni
322 # define ex_align ex_ni
323 # define ex_retab ex_ni
324 # define ex_startinsert ex_ni
325 # define ex_stopinsert ex_ni
326 # define ex_helptags ex_ni
327 # define ex_sort ex_ni
328 #endif
329 #ifdef FEAT_FIND_ID
330 static void ex_checkpath __ARGS((exarg_T *eap));
331 static void ex_findpat __ARGS((exarg_T *eap));
332 #else
333 # define ex_findpat ex_ni
334 # define ex_checkpath ex_ni
335 #endif
336 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
337 static void ex_psearch __ARGS((exarg_T *eap));
338 #else
339 # define ex_psearch ex_ni
340 #endif
341 static void ex_tag __ARGS((exarg_T *eap));
342 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
343 #ifndef FEAT_EVAL
344 # define ex_scriptnames ex_ni
345 # define ex_finish ex_ni
346 # define ex_echo ex_ni
347 # define ex_echohl ex_ni
348 # define ex_execute ex_ni
349 # define ex_call ex_ni
350 # define ex_if ex_ni
351 # define ex_endif ex_ni
352 # define ex_else ex_ni
353 # define ex_while ex_ni
354 # define ex_for ex_ni
355 # define ex_continue ex_ni
356 # define ex_break ex_ni
357 # define ex_endwhile ex_ni
358 # define ex_endfor ex_ni
359 # define ex_throw ex_ni
360 # define ex_try ex_ni
361 # define ex_catch ex_ni
362 # define ex_finally ex_ni
363 # define ex_endtry ex_ni
364 # define ex_endfunction ex_ni
365 # define ex_let ex_ni
366 # define ex_unlet ex_ni
367 # define ex_lockvar ex_ni
368 # define ex_unlockvar ex_ni
369 # define ex_function ex_ni
370 # define ex_delfunction ex_ni
371 # define ex_return ex_ni
372 #endif
373 static char_u *arg_all __ARGS((void));
374 #ifdef FEAT_SESSION
375 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
376 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp));
377 static void ex_loadview __ARGS((exarg_T *eap));
378 static char_u *get_view_file __ARGS((int c));
379 static int did_lcd; /* whether ":lcd" was produced for a session */
380 #else
381 # define ex_loadview ex_ni
382 #endif
383 #ifndef FEAT_EVAL
384 # define ex_compiler ex_ni
385 #endif
386 #ifdef FEAT_VIMINFO
387 static void ex_viminfo __ARGS((exarg_T *eap));
388 #else
389 # define ex_viminfo ex_ni
390 #endif
391 static void ex_behave __ARGS((exarg_T *eap));
392 #ifdef FEAT_AUTOCMD
393 static void ex_filetype __ARGS((exarg_T *eap));
394 static void ex_setfiletype __ARGS((exarg_T *eap));
395 #else
396 # define ex_filetype ex_ni
397 # define ex_setfiletype ex_ni
398 #endif
399 #ifndef FEAT_DIFF
400 # define ex_diffoff ex_ni
401 # define ex_diffpatch ex_ni
402 # define ex_diffgetput ex_ni
403 # define ex_diffsplit ex_ni
404 # define ex_diffthis ex_ni
405 # define ex_diffupdate ex_ni
406 #endif
407 static void ex_digraphs __ARGS((exarg_T *eap));
408 static void ex_set __ARGS((exarg_T *eap));
409 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
410 # define ex_options ex_ni
411 #endif
412 #ifdef FEAT_SEARCH_EXTRA
413 static void ex_nohlsearch __ARGS((exarg_T *eap));
414 static void ex_match __ARGS((exarg_T *eap));
415 #else
416 # define ex_nohlsearch ex_ni
417 # define ex_match ex_ni
418 #endif
419 #ifdef FEAT_CRYPT
420 static void ex_X __ARGS((exarg_T *eap));
421 #else
422 # define ex_X ex_ni
423 #endif
424 #ifdef FEAT_FOLDING
425 static void ex_fold __ARGS((exarg_T *eap));
426 static void ex_foldopen __ARGS((exarg_T *eap));
427 static void ex_folddo __ARGS((exarg_T *eap));
428 #else
429 # define ex_fold ex_ni
430 # define ex_foldopen ex_ni
431 # define ex_folddo ex_ni
432 #endif
433 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
434 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
435 # define ex_language ex_ni
436 #endif
437 #ifndef FEAT_SIGNS
438 # define ex_sign ex_ni
439 #endif
440 #ifndef FEAT_SUN_WORKSHOP
441 # define ex_wsverb ex_ni
442 #endif
443 #ifndef FEAT_NETBEANS_INTG
444 # define ex_nbkey ex_ni
445 #endif
446
447 #ifndef FEAT_EVAL
448 # define ex_debug ex_ni
449 # define ex_breakadd ex_ni
450 # define ex_debuggreedy ex_ni
451 # define ex_breakdel ex_ni
452 # define ex_breaklist ex_ni
453 #endif
454
455 #ifndef FEAT_CMDHIST
456 # define ex_history ex_ni
457 #endif
458 #ifndef FEAT_JUMPLIST
459 # define ex_jumps ex_ni
460 # define ex_changes ex_ni
461 #endif
462
463 #ifndef FEAT_PROFILE
464 # define ex_profile ex_ni
465 #endif
466
467 #ifndef FEAT_GUI_MACVIM
468 # define ex_macaction ex_ni
469 # define ex_macmenukey ex_ni
470 #endif
471
472 /*
473 * Declare cmdnames[].
474 */
475 #define DO_DECLARE_EXCMD
476 #include "ex_cmds.h"
477
478 /*
479 * Table used to quickly search for a command, based on its first character.
480 */
481 static cmdidx_T cmdidxs[27] =
482 {
483 CMD_append,
484 CMD_buffer,
485 CMD_change,
486 CMD_delete,
487 CMD_edit,
488 CMD_file,
489 CMD_global,
490 CMD_help,
491 CMD_insert,
492 CMD_join,
493 CMD_k,
494 CMD_list,
495 CMD_move,
496 CMD_next,
497 CMD_open,
498 CMD_print,
499 CMD_quit,
500 CMD_read,
501 CMD_substitute,
502 CMD_t,
503 CMD_undo,
504 CMD_vglobal,
505 CMD_write,
506 CMD_xit,
507 CMD_yank,
508 CMD_z,
509 CMD_bang
510 };
511
512 static char_u dollar_command[2] = {'$', 0};
513
514
515 #ifdef FEAT_EVAL
516 /* Struct for storing a line inside a while/for loop */
517 typedef struct
518 {
519 char_u *line; /* command line */
520 linenr_T lnum; /* sourcing_lnum of the line */
521 } wcmd_T;
522
523 /*
524 * Structure used to store info for line position in a while or for loop.
525 * This is required, because do_one_cmd() may invoke ex_function(), which
526 * reads more lines that may come from the while/for loop.
527 */
528 struct loop_cookie
529 {
530 garray_T *lines_gap; /* growarray with line info */
531 int current_line; /* last read line from growarray */
532 int repeating; /* TRUE when looping a second time */
533 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
534 char_u *(*getline) __ARGS((int, void *, int));
535 void *cookie;
536 };
537
538 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
539 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
540 static void free_cmdlines __ARGS((garray_T *gap));
541
542 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
543 struct dbg_stuff
544 {
545 int trylevel;
546 int force_abort;
547 except_T *caught_stack;
548 char_u *vv_exception;
549 char_u *vv_throwpoint;
550 int did_emsg;
551 int got_int;
552 int did_throw;
553 int need_rethrow;
554 int check_cstack;
555 except_T *current_exception;
556 };
557
558 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
559 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
560
561 static void
562 save_dbg_stuff(dsp)
563 struct dbg_stuff *dsp;
564 {
565 dsp->trylevel = trylevel; trylevel = 0;
566 dsp->force_abort = force_abort; force_abort = FALSE;
567 dsp->caught_stack = caught_stack; caught_stack = NULL;
568 dsp->vv_exception = v_exception(NULL);
569 dsp->vv_throwpoint = v_throwpoint(NULL);
570
571 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
572 dsp->did_emsg = did_emsg; did_emsg = FALSE;
573 dsp->got_int = got_int; got_int = FALSE;
574 dsp->did_throw = did_throw; did_throw = FALSE;
575 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
576 dsp->check_cstack = check_cstack; check_cstack = FALSE;
577 dsp->current_exception = current_exception; current_exception = NULL;
578 }
579
580 static void
581 restore_dbg_stuff(dsp)
582 struct dbg_stuff *dsp;
583 {
584 suppress_errthrow = FALSE;
585 trylevel = dsp->trylevel;
586 force_abort = dsp->force_abort;
587 caught_stack = dsp->caught_stack;
588 (void)v_exception(dsp->vv_exception);
589 (void)v_throwpoint(dsp->vv_throwpoint);
590 did_emsg = dsp->did_emsg;
591 got_int = dsp->got_int;
592 did_throw = dsp->did_throw;
593 need_rethrow = dsp->need_rethrow;
594 check_cstack = dsp->check_cstack;
595 current_exception = dsp->current_exception;
596 }
597 #endif
598
599
600 /*
601 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
602 * command is given.
603 */
604 void
605 do_exmode(improved)
606 int improved; /* TRUE for "improved Ex" mode */
607 {
608 int save_msg_scroll;
609 int prev_msg_row;
610 linenr_T prev_line;
611 int changedtick;
612
613 if (improved)
614 exmode_active = EXMODE_VIM;
615 else
616 exmode_active = EXMODE_NORMAL;
617 State = NORMAL;
618
619 /* When using ":global /pat/ visual" and then "Q" we return to continue
620 * the :global command. */
621 if (global_busy)
622 return;
623
624 save_msg_scroll = msg_scroll;
625 ++RedrawingDisabled; /* don't redisplay the window */
626 ++no_wait_return; /* don't wait for return */
627 #ifdef FEAT_GUI
628 /* Ignore scrollbar and mouse events in Ex mode */
629 ++hold_gui_events;
630 #endif
631 #ifdef FEAT_SNIFF
632 want_sniff_request = 0; /* No K_SNIFF wanted */
633 #endif
634
635 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
636 while (exmode_active)
637 {
638 #ifdef FEAT_EX_EXTRA
639 /* Check for a ":normal" command and no more characters left. */
640 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
641 {
642 exmode_active = FALSE;
643 break;
644 }
645 #endif
646 msg_scroll = TRUE;
647 need_wait_return = FALSE;
648 ex_pressedreturn = FALSE;
649 ex_no_reprint = FALSE;
650 changedtick = curbuf->b_changedtick;
651 prev_msg_row = msg_row;
652 prev_line = curwin->w_cursor.lnum;
653 #ifdef FEAT_SNIFF
654 ProcessSniffRequests();
655 #endif
656 if (improved)
657 {
658 cmdline_row = msg_row;
659 do_cmdline(NULL, getexline, NULL, 0);
660 }
661 else
662 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
663 lines_left = Rows - 1;
664
665 if ((prev_line != curwin->w_cursor.lnum
666 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
667 {
668 if (curbuf->b_ml.ml_flags & ML_EMPTY)
669 EMSG(_(e_emptybuf));
670 else
671 {
672 if (ex_pressedreturn)
673 {
674 /* go up one line, to overwrite the ":<CR>" line, so the
675 * output doesn't contain empty lines. */
676 msg_row = prev_msg_row;
677 if (prev_msg_row == Rows - 1)
678 msg_row--;
679 }
680 msg_col = 0;
681 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
682 msg_clr_eos();
683 }
684 }
685 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
686 {
687 if (curbuf->b_ml.ml_flags & ML_EMPTY)
688 EMSG(_(e_emptybuf));
689 else
690 EMSG(_("E501: At end-of-file"));
691 }
692 }
693
694 #ifdef FEAT_GUI
695 --hold_gui_events;
696 #endif
697 --RedrawingDisabled;
698 --no_wait_return;
699 update_screen(CLEAR);
700 need_wait_return = FALSE;
701 msg_scroll = save_msg_scroll;
702 }
703
704 /*
705 * Execute a simple command line. Used for translated commands like "*".
706 */
707 int
708 do_cmdline_cmd(cmd)
709 char_u *cmd;
710 {
711 return do_cmdline(cmd, NULL, NULL,
712 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
713 }
714
715 /*
716 * do_cmdline(): execute one Ex command line
717 *
718 * 1. Execute "cmdline" when it is not NULL.
719 * If "cmdline" is NULL, or more lines are needed, getline() is used.
720 * 2. Split up in parts separated with '|'.
721 *
722 * This function can be called recursively!
723 *
724 * flags:
725 * DOCMD_VERBOSE - The command will be included in the error message.
726 * DOCMD_NOWAIT - Don't call wait_return() and friends.
727 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
728 * DOCMD_KEYTYPED - Don't reset KeyTyped.
729 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
730 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
731 *
732 * return FAIL if cmdline could not be executed, OK otherwise
733 */
734 int
735 do_cmdline(cmdline, getline, cookie, flags)
736 char_u *cmdline;
737 char_u *(*getline) __ARGS((int, void *, int));
738 void *cookie; /* argument for getline() */
739 int flags;
740 {
741 char_u *next_cmdline; /* next cmd to execute */
742 char_u *cmdline_copy = NULL; /* copy of cmd line */
743 int used_getline = FALSE; /* used "getline" to obtain command */
744 static int recursive = 0; /* recursive depth */
745 int msg_didout_before_start = 0;
746 int count = 0; /* line number count */
747 int did_inc = FALSE; /* incremented RedrawingDisabled */
748 int retval = OK;
749 #ifdef FEAT_EVAL
750 struct condstack cstack; /* conditional stack */
751 garray_T lines_ga; /* keep lines for ":while"/":for" */
752 int current_line = 0; /* active line in lines_ga */
753 char_u *fname = NULL; /* function or script name */
754 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
755 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
756 struct dbg_stuff debug_saved; /* saved things for debug mode */
757 int initial_trylevel;
758 struct msglist **saved_msg_list = NULL;
759 struct msglist *private_msg_list;
760
761 /* "getline" and "cookie" passed to do_one_cmd() */
762 char_u *(*cmd_getline) __ARGS((int, void *, int));
763 void *cmd_cookie;
764 struct loop_cookie cmd_loop_cookie;
765 void *real_cookie;
766 int getline_is_func;
767 #else
768 # define cmd_getline getline
769 # define cmd_cookie cookie
770 #endif
771 static int call_depth = 0; /* recursiveness */
772
773 #ifdef FEAT_EVAL
774 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
775 * location for storing error messages to be converted to an exception.
776 * This ensures that the do_errthrow() call in do_one_cmd() does not
777 * combine the messages stored by an earlier invocation of do_one_cmd()
778 * with the command name of the later one. This would happen when
779 * BufWritePost autocommands are executed after a write error. */
780 saved_msg_list = msg_list;
781 msg_list = &private_msg_list;
782 private_msg_list = NULL;
783 #endif
784
785 /* It's possible to create an endless loop with ":execute", catch that
786 * here. The value of 200 allows nested function calls, ":source", etc. */
787 if (call_depth == 200)
788 {
789 EMSG(_("E169: Command too recursive"));
790 #ifdef FEAT_EVAL
791 /* When converting to an exception, we do not include the command name
792 * since this is not an error of the specific command. */
793 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
794 msg_list = saved_msg_list;
795 #endif
796 return FAIL;
797 }
798 ++call_depth;
799
800 #ifdef FEAT_EVAL
801 cstack.cs_idx = -1;
802 cstack.cs_looplevel = 0;
803 cstack.cs_trylevel = 0;
804 cstack.cs_emsg_silent_list = NULL;
805 cstack.cs_lflags = 0;
806 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
807
808 real_cookie = getline_cookie(getline, cookie);
809
810 /* Inside a function use a higher nesting level. */
811 getline_is_func = getline_equal(getline, cookie, get_func_line);
812 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
813 ++ex_nesting_level;
814
815 /* Get the function or script name and the address where the next breakpoint
816 * line and the debug tick for a function or script are stored. */
817 if (getline_is_func)
818 {
819 fname = func_name(real_cookie);
820 breakpoint = func_breakpoint(real_cookie);
821 dbg_tick = func_dbg_tick(real_cookie);
822 }
823 else if (getline_equal(getline, cookie, getsourceline))
824 {
825 fname = sourcing_name;
826 breakpoint = source_breakpoint(real_cookie);
827 dbg_tick = source_dbg_tick(real_cookie);
828 }
829
830 /*
831 * Initialize "force_abort" and "suppress_errthrow" at the top level.
832 */
833 if (!recursive)
834 {
835 force_abort = FALSE;
836 suppress_errthrow = FALSE;
837 }
838
839 /*
840 * If requested, store and reset the global values controlling the
841 * exception handling (used when debugging). Otherwise clear it to avoid
842 * a bogus compiler warning when the optimizer uses inline functions...
843 */
844 if (flags & DOCMD_EXCRESET)
845 save_dbg_stuff(&debug_saved);
846 else
847 memset(&debug_saved, 0, 1);
848
849 initial_trylevel = trylevel;
850
851 /*
852 * "did_throw" will be set to TRUE when an exception is being thrown.
853 */
854 did_throw = FALSE;
855 #endif
856 /*
857 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
858 * cancel the whole command line, and any if/endif or loop.
859 * If force_abort is set, we cancel everything.
860 */
861 did_emsg = FALSE;
862
863 /*
864 * KeyTyped is only set when calling vgetc(). Reset it here when not
865 * calling vgetc() (sourced command lines).
866 */
867 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
868 KeyTyped = FALSE;
869
870 /*
871 * Continue executing command lines:
872 * - when inside an ":if", ":while" or ":for"
873 * - for multiple commands on one line, separated with '|'
874 * - when repeating until there are no more lines (for ":source")
875 */
876 next_cmdline = cmdline;
877 do
878 {
879 #ifdef FEAT_EVAL
880 getline_is_func = getline_equal(getline, cookie, get_func_line);
881 #endif
882
883 /* stop skipping cmds for an error msg after all endif/while/for */
884 if (next_cmdline == NULL
885 #ifdef FEAT_EVAL
886 && !force_abort
887 && cstack.cs_idx < 0
888 && !(getline_is_func && func_has_abort(real_cookie))
889 #endif
890 )
891 did_emsg = FALSE;
892
893 /*
894 * 1. If repeating a line in a loop, get a line from lines_ga.
895 * 2. If no line given: Get an allocated line with getline().
896 * 3. If a line is given: Make a copy, so we can mess with it.
897 */
898
899 #ifdef FEAT_EVAL
900 /* 1. If repeating, get a previous line from lines_ga. */
901 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
902 {
903 /* Each '|' separated command is stored separately in lines_ga, to
904 * be able to jump to it. Don't use next_cmdline now. */
905 vim_free(cmdline_copy);
906 cmdline_copy = NULL;
907
908 /* Check if a function has returned or, unless it has an unclosed
909 * try conditional, aborted. */
910 if (getline_is_func)
911 {
912 # ifdef FEAT_PROFILE
913 if (do_profiling == PROF_YES)
914 func_line_end(real_cookie);
915 # endif
916 if (func_has_ended(real_cookie))
917 {
918 retval = FAIL;
919 break;
920 }
921 }
922 #ifdef FEAT_PROFILE
923 else if (do_profiling == PROF_YES
924 && getline_equal(getline, cookie, getsourceline))
925 script_line_end();
926 #endif
927
928 /* Check if a sourced file hit a ":finish" command. */
929 if (source_finished(getline, cookie))
930 {
931 retval = FAIL;
932 break;
933 }
934
935 /* If breakpoints have been added/deleted need to check for it. */
936 if (breakpoint != NULL && dbg_tick != NULL
937 && *dbg_tick != debug_tick)
938 {
939 *breakpoint = dbg_find_breakpoint(
940 getline_equal(getline, cookie, getsourceline),
941 fname, sourcing_lnum);
942 *dbg_tick = debug_tick;
943 }
944
945 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
946 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
947
948 /* Did we encounter a breakpoint? */
949 if (breakpoint != NULL && *breakpoint != 0
950 && *breakpoint <= sourcing_lnum)
951 {
952 dbg_breakpoint(fname, sourcing_lnum);
953 /* Find next breakpoint. */
954 *breakpoint = dbg_find_breakpoint(
955 getline_equal(getline, cookie, getsourceline),
956 fname, sourcing_lnum);
957 *dbg_tick = debug_tick;
958 }
959 # ifdef FEAT_PROFILE
960 if (do_profiling == PROF_YES)
961 {
962 if (getline_is_func)
963 func_line_start(real_cookie);
964 else if (getline_equal(getline, cookie, getsourceline))
965 script_line_start();
966 }
967 # endif
968 }
969
970 if (cstack.cs_looplevel > 0)
971 {
972 /* Inside a while/for loop we need to store the lines and use them
973 * again. Pass a different "getline" function to do_one_cmd()
974 * below, so that it stores lines in or reads them from
975 * "lines_ga". Makes it possible to define a function inside a
976 * while/for loop. */
977 cmd_getline = get_loop_line;
978 cmd_cookie = (void *)&cmd_loop_cookie;
979 cmd_loop_cookie.lines_gap = &lines_ga;
980 cmd_loop_cookie.current_line = current_line;
981 cmd_loop_cookie.getline = getline;
982 cmd_loop_cookie.cookie = cookie;
983 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
984 }
985 else
986 {
987 cmd_getline = getline;
988 cmd_cookie = cookie;
989 }
990 #endif
991
992 /* 2. If no line given, get an allocated line with getline(). */
993 if (next_cmdline == NULL)
994 {
995 /*
996 * Need to set msg_didout for the first line after an ":if",
997 * otherwise the ":if" will be overwritten.
998 */
999 if (count == 1 && getline_equal(getline, cookie, getexline))
1000 msg_didout = TRUE;
1001 if (getline == NULL || (next_cmdline = getline(':', cookie,
1002 #ifdef FEAT_EVAL
1003 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1004 #else
1005 0
1006 #endif
1007 )) == NULL)
1008 {
1009 /* Don't call wait_return for aborted command line. The NULL
1010 * returned for the end of a sourced file or executed function
1011 * doesn't do this. */
1012 if (KeyTyped && !(flags & DOCMD_REPEAT))
1013 need_wait_return = FALSE;
1014 retval = FAIL;
1015 break;
1016 }
1017 used_getline = TRUE;
1018
1019 /*
1020 * Keep the first typed line. Clear it when more lines are typed.
1021 */
1022 if (flags & DOCMD_KEEPLINE)
1023 {
1024 vim_free(repeat_cmdline);
1025 if (count == 0)
1026 repeat_cmdline = vim_strsave(next_cmdline);
1027 else
1028 repeat_cmdline = NULL;
1029 }
1030 }
1031
1032 /* 3. Make a copy of the command so we can mess with it. */
1033 else if (cmdline_copy == NULL)
1034 {
1035 next_cmdline = vim_strsave(next_cmdline);
1036 if (next_cmdline == NULL)
1037 {
1038 EMSG(_(e_outofmem));
1039 retval = FAIL;
1040 break;
1041 }
1042 }
1043 cmdline_copy = next_cmdline;
1044
1045 #ifdef FEAT_EVAL
1046 /*
1047 * Save the current line when inside a ":while" or ":for", and when
1048 * the command looks like a ":while" or ":for", because we may need it
1049 * later. When there is a '|' and another command, it is stored
1050 * separately, because we need to be able to jump back to it from an
1051 * :endwhile/:endfor.
1052 */
1053 if (current_line == lines_ga.ga_len
1054 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1055 {
1056 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1057 {
1058 retval = FAIL;
1059 break;
1060 }
1061 }
1062 did_endif = FALSE;
1063 #endif
1064
1065 if (count++ == 0)
1066 {
1067 /*
1068 * All output from the commands is put below each other, without
1069 * waiting for a return. Don't do this when executing commands
1070 * from a script or when being called recursive (e.g. for ":e
1071 * +command file").
1072 */
1073 if (!(flags & DOCMD_NOWAIT) && !recursive)
1074 {
1075 msg_didout_before_start = msg_didout;
1076 msg_didany = FALSE; /* no output yet */
1077 msg_start();
1078 msg_scroll = TRUE; /* put messages below each other */
1079 ++no_wait_return; /* dont wait for return until finished */
1080 ++RedrawingDisabled;
1081 did_inc = TRUE;
1082 }
1083 }
1084
1085 if (p_verbose >= 15 && sourcing_name != NULL)
1086 {
1087 ++no_wait_return;
1088 verbose_enter_scroll();
1089
1090 smsg((char_u *)_("line %ld: %s"),
1091 (long)sourcing_lnum, cmdline_copy);
1092 if (msg_silent == 0)
1093 msg_puts((char_u *)"\n"); /* don't overwrite this */
1094
1095 verbose_leave_scroll();
1096 --no_wait_return;
1097 }
1098
1099 /*
1100 * 2. Execute one '|' separated command.
1101 * do_one_cmd() will return NULL if there is no trailing '|'.
1102 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1103 */
1104 ++recursive;
1105 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1106 #ifdef FEAT_EVAL
1107 &cstack,
1108 #endif
1109 cmd_getline, cmd_cookie);
1110 --recursive;
1111
1112 #ifdef FEAT_EVAL
1113 if (cmd_cookie == (void *)&cmd_loop_cookie)
1114 /* Use "current_line" from "cmd_loop_cookie", it may have been
1115 * incremented when defining a function. */
1116 current_line = cmd_loop_cookie.current_line;
1117 #endif
1118
1119 if (next_cmdline == NULL)
1120 {
1121 vim_free(cmdline_copy);
1122 cmdline_copy = NULL;
1123 #ifdef FEAT_CMDHIST
1124 /*
1125 * If the command was typed, remember it for the ':' register.
1126 * Do this AFTER executing the command to make :@: work.
1127 */
1128 if (getline_equal(getline, cookie, getexline)
1129 && new_last_cmdline != NULL)
1130 {
1131 vim_free(last_cmdline);
1132 last_cmdline = new_last_cmdline;
1133 new_last_cmdline = NULL;
1134 }
1135 #endif
1136 }
1137 else
1138 {
1139 /* need to copy the command after the '|' to cmdline_copy, for the
1140 * next do_one_cmd() */
1141 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
1142 next_cmdline = cmdline_copy;
1143 }
1144
1145
1146 #ifdef FEAT_EVAL
1147 /* reset did_emsg for a function that is not aborted by an error */
1148 if (did_emsg && !force_abort
1149 && getline_equal(getline, cookie, get_func_line)
1150 && !func_has_abort(real_cookie))
1151 did_emsg = FALSE;
1152
1153 if (cstack.cs_looplevel > 0)
1154 {
1155 ++current_line;
1156
1157 /*
1158 * An ":endwhile", ":endfor" and ":continue" is handled here.
1159 * If we were executing commands, jump back to the ":while" or
1160 * ":for".
1161 * If we were not executing commands, decrement cs_looplevel.
1162 */
1163 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1164 {
1165 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1166
1167 /* Jump back to the matching ":while" or ":for". Be careful
1168 * not to use a cs_line[] from an entry that isn't a ":while"
1169 * or ":for": It would make "current_line" invalid and can
1170 * cause a crash. */
1171 if (!did_emsg && !got_int && !did_throw
1172 && cstack.cs_idx >= 0
1173 && (cstack.cs_flags[cstack.cs_idx]
1174 & (CSF_WHILE | CSF_FOR))
1175 && cstack.cs_line[cstack.cs_idx] >= 0
1176 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1177 {
1178 current_line = cstack.cs_line[cstack.cs_idx];
1179 /* remember we jumped there */
1180 cstack.cs_lflags |= CSL_HAD_LOOP;
1181 line_breakcheck(); /* check if CTRL-C typed */
1182
1183 /* Check for the next breakpoint at or after the ":while"
1184 * or ":for". */
1185 if (breakpoint != NULL)
1186 {
1187 *breakpoint = dbg_find_breakpoint(
1188 getline_equal(getline, cookie, getsourceline),
1189 fname,
1190 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1191 *dbg_tick = debug_tick;
1192 }
1193 }
1194 else
1195 {
1196 /* can only get here with ":endwhile" or ":endfor" */
1197 if (cstack.cs_idx >= 0)
1198 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1199 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1200 }
1201 }
1202
1203 /*
1204 * For a ":while" or ":for" we need to remember the line number.
1205 */
1206 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1207 {
1208 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1209 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1210 }
1211 }
1212
1213 /*
1214 * When not inside any ":while" loop, clear remembered lines.
1215 */
1216 if (cstack.cs_looplevel == 0)
1217 {
1218 if (lines_ga.ga_len > 0)
1219 {
1220 sourcing_lnum =
1221 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1222 free_cmdlines(&lines_ga);
1223 }
1224 current_line = 0;
1225 }
1226
1227 /*
1228 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1229 * being restored at the ":endtry". Reset them here and set the
1230 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1231 * This includes the case where a missing ":endif", ":endwhile" or
1232 * ":endfor" was detected by the ":finally" itself.
1233 */
1234 if (cstack.cs_lflags & CSL_HAD_FINA)
1235 {
1236 cstack.cs_lflags &= ~CSL_HAD_FINA;
1237 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1238 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1239 did_throw ? (void *)current_exception : NULL);
1240 did_emsg = got_int = did_throw = FALSE;
1241 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1242 }
1243
1244 /* Update global "trylevel" for recursive calls to do_cmdline() from
1245 * within this loop. */
1246 trylevel = initial_trylevel + cstack.cs_trylevel;
1247
1248 /*
1249 * If the outermost try conditional (across function calls and sourced
1250 * files) is aborted because of an error, an interrupt, or an uncaught
1251 * exception, cancel everything. If it is left normally, reset
1252 * force_abort to get the non-EH compatible abortion behavior for
1253 * the rest of the script.
1254 */
1255 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1256 force_abort = FALSE;
1257
1258 /* Convert an interrupt to an exception if appropriate. */
1259 (void)do_intthrow(&cstack);
1260 #endif /* FEAT_EVAL */
1261
1262 }
1263 /*
1264 * Continue executing command lines when:
1265 * - no CTRL-C typed, no aborting error, no exception thrown or try
1266 * conditionals need to be checked for executing finally clauses or
1267 * catching an interrupt exception
1268 * - didn't get an error message or lines are not typed
1269 * - there is a command after '|', inside a :if, :while, :for or :try, or
1270 * looping for ":source" command or function call.
1271 */
1272 while (!((got_int
1273 #ifdef FEAT_EVAL
1274 || (did_emsg && force_abort) || did_throw
1275 #endif
1276 )
1277 #ifdef FEAT_EVAL
1278 && cstack.cs_trylevel == 0
1279 #endif
1280 )
1281 && !(did_emsg && used_getline
1282 && (getline_equal(getline, cookie, getexmodeline)
1283 || getline_equal(getline, cookie, getexline)))
1284 && (next_cmdline != NULL
1285 #ifdef FEAT_EVAL
1286 || cstack.cs_idx >= 0
1287 #endif
1288 || (flags & DOCMD_REPEAT)));
1289
1290 vim_free(cmdline_copy);
1291 #ifdef FEAT_EVAL
1292 free_cmdlines(&lines_ga);
1293 ga_clear(&lines_ga);
1294
1295 if (cstack.cs_idx >= 0)
1296 {
1297 /*
1298 * If a sourced file or executed function ran to its end, report the
1299 * unclosed conditional.
1300 */
1301 if (!got_int && !did_throw
1302 && ((getline_equal(getline, cookie, getsourceline)
1303 && !source_finished(getline, cookie))
1304 || (getline_equal(getline, cookie, get_func_line)
1305 && !func_has_ended(real_cookie))))
1306 {
1307 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1308 EMSG(_(e_endtry));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1310 EMSG(_(e_endwhile));
1311 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1312 EMSG(_(e_endfor));
1313 else
1314 EMSG(_(e_endif));
1315 }
1316
1317 /*
1318 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1319 * ":endtry" in a sourced file or executed function. If the try
1320 * conditional is in its finally clause, ignore anything pending.
1321 * If it is in a catch clause, finish the caught exception.
1322 * Also cleanup any "cs_forinfo" structures.
1323 */
1324 do
1325 {
1326 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1327
1328 if (idx >= 0)
1329 --idx; /* remove try block not in its finally clause */
1330 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1331 &cstack.cs_looplevel);
1332 }
1333 while (cstack.cs_idx >= 0);
1334 trylevel = initial_trylevel;
1335 }
1336
1337 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1338 * lack was reported above and the error message is to be converted to an
1339 * exception, do this now after rewinding the cstack. */
1340 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1341 ? (char_u *)"endfunction" : (char_u *)NULL);
1342
1343 if (trylevel == 0)
1344 {
1345 /*
1346 * When an exception is being thrown out of the outermost try
1347 * conditional, discard the uncaught exception, disable the conversion
1348 * of interrupts or errors to exceptions, and ensure that no more
1349 * commands are executed.
1350 */
1351 if (did_throw)
1352 {
1353 void *p = NULL;
1354 char_u *saved_sourcing_name;
1355 int saved_sourcing_lnum;
1356 struct msglist *messages = NULL, *next;
1357
1358 /*
1359 * If the uncaught exception is a user exception, report it as an
1360 * error. If it is an error exception, display the saved error
1361 * message now. For an interrupt exception, do nothing; the
1362 * interrupt message is given elsewhere.
1363 */
1364 switch (current_exception->type)
1365 {
1366 case ET_USER:
1367 vim_snprintf((char *)IObuff, IOSIZE,
1368 _("E605: Exception not caught: %s"),
1369 current_exception->value);
1370 p = vim_strsave(IObuff);
1371 break;
1372 case ET_ERROR:
1373 messages = current_exception->messages;
1374 current_exception->messages = NULL;
1375 break;
1376 case ET_INTERRUPT:
1377 break;
1378 default:
1379 p = vim_strsave((char_u *)_(e_internal));
1380 }
1381
1382 saved_sourcing_name = sourcing_name;
1383 saved_sourcing_lnum = sourcing_lnum;
1384 sourcing_name = current_exception->throw_name;
1385 sourcing_lnum = current_exception->throw_lnum;
1386 current_exception->throw_name = NULL;
1387
1388 discard_current_exception(); /* uses IObuff if 'verbose' */
1389 suppress_errthrow = TRUE;
1390 force_abort = TRUE;
1391
1392 if (messages != NULL)
1393 {
1394 do
1395 {
1396 next = messages->next;
1397 emsg(messages->msg);
1398 vim_free(messages->msg);
1399 vim_free(messages);
1400 messages = next;
1401 }
1402 while (messages != NULL);
1403 }
1404 else if (p != NULL)
1405 {
1406 emsg(p);
1407 vim_free(p);
1408 }
1409 vim_free(sourcing_name);
1410 sourcing_name = saved_sourcing_name;
1411 sourcing_lnum = saved_sourcing_lnum;
1412 }
1413
1414 /*
1415 * On an interrupt or an aborting error not converted to an exception,
1416 * disable the conversion of errors to exceptions. (Interrupts are not
1417 * converted any more, here.) This enables also the interrupt message
1418 * when force_abort is set and did_emsg unset in case of an interrupt
1419 * from a finally clause after an error.
1420 */
1421 else if (got_int || (did_emsg && force_abort))
1422 suppress_errthrow = TRUE;
1423 }
1424
1425 /*
1426 * The current cstack will be freed when do_cmdline() returns. An uncaught
1427 * exception will have to be rethrown in the previous cstack. If a function
1428 * has just returned or a script file was just finished and the previous
1429 * cstack belongs to the same function or, respectively, script file, it
1430 * will have to be checked for finally clauses to be executed due to the
1431 * ":return" or ":finish". This is done in do_one_cmd().
1432 */
1433 if (did_throw)
1434 need_rethrow = TRUE;
1435 if ((getline_equal(getline, cookie, getsourceline)
1436 && ex_nesting_level > source_level(real_cookie))
1437 || (getline_equal(getline, cookie, get_func_line)
1438 && ex_nesting_level > func_level(real_cookie) + 1))
1439 {
1440 if (!did_throw)
1441 check_cstack = TRUE;
1442 }
1443 else
1444 {
1445 /* When leaving a function, reduce nesting level. */
1446 if (getline_equal(getline, cookie, get_func_line))
1447 --ex_nesting_level;
1448 /*
1449 * Go to debug mode when returning from a function in which we are
1450 * single-stepping.
1451 */
1452 if ((getline_equal(getline, cookie, getsourceline)
1453 || getline_equal(getline, cookie, get_func_line))
1454 && ex_nesting_level + 1 <= debug_break_level)
1455 do_debug(getline_equal(getline, cookie, getsourceline)
1456 ? (char_u *)_("End of sourced file")
1457 : (char_u *)_("End of function"));
1458 }
1459
1460 /*
1461 * Restore the exception environment (done after returning from the
1462 * debugger).
1463 */
1464 if (flags & DOCMD_EXCRESET)
1465 restore_dbg_stuff(&debug_saved);
1466
1467 msg_list = saved_msg_list;
1468 #endif /* FEAT_EVAL */
1469
1470 /*
1471 * If there was too much output to fit on the command line, ask the user to
1472 * hit return before redrawing the screen. With the ":global" command we do
1473 * this only once after the command is finished.
1474 */
1475 if (did_inc)
1476 {
1477 --RedrawingDisabled;
1478 --no_wait_return;
1479 msg_scroll = FALSE;
1480
1481 /*
1482 * When just finished an ":if"-":else" which was typed, no need to
1483 * wait for hit-return. Also for an error situation.
1484 */
1485 if (retval == FAIL
1486 #ifdef FEAT_EVAL
1487 || (did_endif && KeyTyped && !did_emsg)
1488 #endif
1489 )
1490 {
1491 need_wait_return = FALSE;
1492 msg_didany = FALSE; /* don't wait when restarting edit */
1493 }
1494 else if (need_wait_return)
1495 {
1496 /*
1497 * The msg_start() above clears msg_didout. The wait_return we do
1498 * here should not overwrite the command that may be shown before
1499 * doing that.
1500 */
1501 msg_didout |= msg_didout_before_start;
1502 wait_return(FALSE);
1503 }
1504 }
1505
1506 #ifndef FEAT_EVAL
1507 /*
1508 * Reset if_level, in case a sourced script file contains more ":if" than
1509 * ":endif" (could be ":if x | foo | endif").
1510 */
1511 if_level = 0;
1512 #endif
1513
1514 --call_depth;
1515 return retval;
1516 }
1517
1518 #ifdef FEAT_EVAL
1519 /*
1520 * Obtain a line when inside a ":while" or ":for" loop.
1521 */
1522 static char_u *
1523 get_loop_line(c, cookie, indent)
1524 int c;
1525 void *cookie;
1526 int indent;
1527 {
1528 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1529 wcmd_T *wp;
1530 char_u *line;
1531
1532 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1533 {
1534 if (cp->repeating)
1535 return NULL; /* trying to read past ":endwhile"/":endfor" */
1536
1537 /* First time inside the ":while"/":for": get line normally. */
1538 if (cp->getline == NULL)
1539 line = getcmdline(c, 0L, indent);
1540 else
1541 line = cp->getline(c, cp->cookie, indent);
1542 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1543 ++cp->current_line;
1544
1545 return line;
1546 }
1547
1548 KeyTyped = FALSE;
1549 ++cp->current_line;
1550 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1551 sourcing_lnum = wp->lnum;
1552 return vim_strsave(wp->line);
1553 }
1554
1555 /*
1556 * Store a line in "gap" so that a ":while" loop can execute it again.
1557 */
1558 static int
1559 store_loop_line(gap, line)
1560 garray_T *gap;
1561 char_u *line;
1562 {
1563 if (ga_grow(gap, 1) == FAIL)
1564 return FAIL;
1565 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1566 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1567 ++gap->ga_len;
1568 return OK;
1569 }
1570
1571 /*
1572 * Free the lines stored for a ":while" or ":for" loop.
1573 */
1574 static void
1575 free_cmdlines(gap)
1576 garray_T *gap;
1577 {
1578 while (gap->ga_len > 0)
1579 {
1580 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1581 --gap->ga_len;
1582 }
1583 }
1584 #endif
1585
1586 /*
1587 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1588 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1589 */
1590 /*ARGSUSED*/
1591 int
1592 getline_equal(fgetline, cookie, func)
1593 char_u *(*fgetline) __ARGS((int, void *, int));
1594 void *cookie; /* argument for fgetline() */
1595 char_u *(*func) __ARGS((int, void *, int));
1596 {
1597 #ifdef FEAT_EVAL
1598 char_u *(*gp) __ARGS((int, void *, int));
1599 struct loop_cookie *cp;
1600
1601 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1602 * function that's originally used to obtain the lines. This may be
1603 * nested several levels. */
1604 gp = fgetline;
1605 cp = (struct loop_cookie *)cookie;
1606 while (gp == get_loop_line)
1607 {
1608 gp = cp->getline;
1609 cp = cp->cookie;
1610 }
1611 return gp == func;
1612 #else
1613 return fgetline == func;
1614 #endif
1615 }
1616
1617 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1618 /*
1619 * If "fgetline" is get_loop_line(), return the cookie used by the original
1620 * getline function. Otherwise return "cookie".
1621 */
1622 /*ARGSUSED*/
1623 void *
1624 getline_cookie(fgetline, cookie)
1625 char_u *(*fgetline) __ARGS((int, void *, int));
1626 void *cookie; /* argument for fgetline() */
1627 {
1628 # ifdef FEAT_EVAL
1629 char_u *(*gp) __ARGS((int, void *, int));
1630 struct loop_cookie *cp;
1631
1632 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1633 * cookie that's originally used to obtain the lines. This may be nested
1634 * several levels. */
1635 gp = fgetline;
1636 cp = (struct loop_cookie *)cookie;
1637 while (gp == get_loop_line)
1638 {
1639 gp = cp->getline;
1640 cp = cp->cookie;
1641 }
1642 return cp;
1643 # else
1644 return cookie;
1645 # endif
1646 }
1647 #endif
1648
1649 /*
1650 * Execute one Ex command.
1651 *
1652 * If 'sourcing' is TRUE, the command will be included in the error message.
1653 *
1654 * 1. skip comment lines and leading space
1655 * 2. handle command modifiers
1656 * 3. parse range
1657 * 4. parse command
1658 * 5. parse arguments
1659 * 6. switch on command name
1660 *
1661 * Note: "fgetline" can be NULL.
1662 *
1663 * This function may be called recursively!
1664 */
1665 #if (_MSC_VER == 1200)
1666 /*
1667 * Avoid optimisation bug in VC++ version 6.0
1668 */
1669 #pragma optimize( "g", off )
1670 #endif
1671 static char_u *
1672 do_one_cmd(cmdlinep, sourcing,
1673 #ifdef FEAT_EVAL
1674 cstack,
1675 #endif
1676 fgetline, cookie)
1677 char_u **cmdlinep;
1678 int sourcing;
1679 #ifdef FEAT_EVAL
1680 struct condstack *cstack;
1681 #endif
1682 char_u *(*fgetline) __ARGS((int, void *, int));
1683 void *cookie; /* argument for fgetline() */
1684 {
1685 char_u *p;
1686 linenr_T lnum;
1687 long n;
1688 char_u *errormsg = NULL; /* error message */
1689 exarg_T ea; /* Ex command arguments */
1690 long verbose_save = -1;
1691 int save_msg_scroll = 0;
1692 int did_silent = 0;
1693 int did_esilent = 0;
1694 #ifdef HAVE_SANDBOX
1695 int did_sandbox = FALSE;
1696 #endif
1697 cmdmod_T save_cmdmod;
1698 int ni; /* set when Not Implemented */
1699
1700 vim_memset(&ea, 0, sizeof(ea));
1701 ea.line1 = 1;
1702 ea.line2 = 1;
1703 #ifdef FEAT_EVAL
1704 ++ex_nesting_level;
1705 #endif
1706
1707 /* when not editing the last file :q has to be typed twice */
1708 if (quitmore
1709 #ifdef FEAT_EVAL
1710 /* avoid that a function call in 'statusline' does this */
1711 && !getline_equal(fgetline, cookie, get_func_line)
1712 #endif
1713 )
1714 --quitmore;
1715
1716 /*
1717 * Reset browse, confirm, etc.. They are restored when returning, for
1718 * recursive calls.
1719 */
1720 save_cmdmod = cmdmod;
1721 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1722
1723 /* "#!anything" is handled like a comment. */
1724 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1725 goto doend;
1726
1727 /*
1728 * Repeat until no more command modifiers are found.
1729 */
1730 ea.cmd = *cmdlinep;
1731 for (;;)
1732 {
1733 /*
1734 * 1. skip comment lines and leading white space and colons
1735 */
1736 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1737 ++ea.cmd;
1738
1739 /* in ex mode, an empty line works like :+ */
1740 if (*ea.cmd == NUL && exmode_active
1741 && (getline_equal(fgetline, cookie, getexmodeline)
1742 || getline_equal(fgetline, cookie, getexline))
1743 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1744 {
1745 ea.cmd = (char_u *)"+";
1746 ex_pressedreturn = TRUE;
1747 }
1748
1749 /* ignore comment and empty lines */
1750 if (*ea.cmd == '"')
1751 goto doend;
1752 if (*ea.cmd == NUL)
1753 {
1754 ex_pressedreturn = TRUE;
1755 goto doend;
1756 }
1757
1758 /*
1759 * 2. handle command modifiers.
1760 */
1761 p = ea.cmd;
1762 if (VIM_ISDIGIT(*ea.cmd))
1763 p = skipwhite(skipdigits(ea.cmd));
1764 switch (*p)
1765 {
1766 /* When adding an entry, also modify cmd_exists(). */
1767 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1768 break;
1769 #ifdef FEAT_WINDOWS
1770 cmdmod.split |= WSP_ABOVE;
1771 #endif
1772 continue;
1773
1774 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1775 {
1776 #ifdef FEAT_WINDOWS
1777 cmdmod.split |= WSP_BELOW;
1778 #endif
1779 continue;
1780 }
1781 if (checkforcmd(&ea.cmd, "browse", 3))
1782 {
1783 #ifdef FEAT_BROWSE
1784 cmdmod.browse = TRUE;
1785 #endif
1786 continue;
1787 }
1788 if (!checkforcmd(&ea.cmd, "botright", 2))
1789 break;
1790 #ifdef FEAT_WINDOWS
1791 cmdmod.split |= WSP_BOT;
1792 #endif
1793 continue;
1794
1795 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1796 break;
1797 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1798 cmdmod.confirm = TRUE;
1799 #endif
1800 continue;
1801
1802 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1803 {
1804 cmdmod.keepmarks = TRUE;
1805 continue;
1806 }
1807 if (checkforcmd(&ea.cmd, "keepalt", 5))
1808 {
1809 cmdmod.keepalt = TRUE;
1810 continue;
1811 }
1812 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1813 break;
1814 cmdmod.keepjumps = TRUE;
1815 continue;
1816
1817 /* ":hide" and ":hide | cmd" are not modifiers */
1818 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1819 || *p == NUL || ends_excmd(*p))
1820 break;
1821 ea.cmd = p;
1822 cmdmod.hide = TRUE;
1823 continue;
1824
1825 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1826 {
1827 cmdmod.lockmarks = TRUE;
1828 continue;
1829 }
1830
1831 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1832 break;
1833 #ifdef FEAT_WINDOWS
1834 cmdmod.split |= WSP_ABOVE;
1835 #endif
1836 continue;
1837
1838 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1839 break;
1840 #ifdef FEAT_AUTOCMD
1841 if (cmdmod.save_ei == NULL)
1842 {
1843 /* Set 'eventignore' to "all". Restore the
1844 * existing option value later. */
1845 cmdmod.save_ei = vim_strsave(p_ei);
1846 set_string_option_direct((char_u *)"ei", -1,
1847 (char_u *)"all", OPT_FREE, SID_NONE);
1848 }
1849 #endif
1850 continue;
1851
1852 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1853 break;
1854 #ifdef FEAT_WINDOWS
1855 cmdmod.split |= WSP_BELOW;
1856 #endif
1857 continue;
1858
1859 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1860 {
1861 #ifdef HAVE_SANDBOX
1862 if (!did_sandbox)
1863 ++sandbox;
1864 did_sandbox = TRUE;
1865 #endif
1866 continue;
1867 }
1868 if (!checkforcmd(&ea.cmd, "silent", 3))
1869 break;
1870 ++did_silent;
1871 ++msg_silent;
1872 save_msg_scroll = msg_scroll;
1873 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1874 {
1875 /* ":silent!", but not "silent !cmd" */
1876 ea.cmd = skipwhite(ea.cmd + 1);
1877 ++emsg_silent;
1878 ++did_esilent;
1879 }
1880 continue;
1881
1882 case 't': if (checkforcmd(&p, "tab", 3))
1883 {
1884 #ifdef FEAT_WINDOWS
1885 if (vim_isdigit(*ea.cmd))
1886 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1887 else
1888 cmdmod.tab = tabpage_index(curtab) + 1;
1889 ea.cmd = p;
1890 #endif
1891 continue;
1892 }
1893 if (!checkforcmd(&ea.cmd, "topleft", 2))
1894 break;
1895 #ifdef FEAT_WINDOWS
1896 cmdmod.split |= WSP_TOP;
1897 #endif
1898 continue;
1899
1900 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1901 {
1902 #ifdef FEAT_VERTSPLIT
1903 cmdmod.split |= WSP_VERT;
1904 #endif
1905 continue;
1906 }
1907 if (!checkforcmd(&p, "verbose", 4))
1908 break;
1909 if (verbose_save < 0)
1910 verbose_save = p_verbose;
1911 if (vim_isdigit(*ea.cmd))
1912 p_verbose = atoi((char *)ea.cmd);
1913 else
1914 p_verbose = 1;
1915 ea.cmd = p;
1916 continue;
1917 }
1918 break;
1919 }
1920
1921 #ifdef FEAT_EVAL
1922 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1923 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1924 #else
1925 ea.skip = (if_level > 0);
1926 #endif
1927
1928 #ifdef FEAT_EVAL
1929 # ifdef FEAT_PROFILE
1930 /* Count this line for profiling if ea.skip is FALSE. */
1931 if (do_profiling == PROF_YES && !ea.skip)
1932 {
1933 if (getline_equal(fgetline, cookie, get_func_line))
1934 func_line_exec(getline_cookie(fgetline, cookie));
1935 else if (getline_equal(fgetline, cookie, getsourceline))
1936 script_line_exec();
1937 }
1938 #endif
1939
1940 /* May go to debug mode. If this happens and the ">quit" debug command is
1941 * used, throw an interrupt exception and skip the next command. */
1942 dbg_check_breakpoint(&ea);
1943 if (!ea.skip && got_int)
1944 {
1945 ea.skip = TRUE;
1946 (void)do_intthrow(cstack);
1947 }
1948 #endif
1949
1950 /*
1951 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1952 *
1953 * where 'addr' is:
1954 *
1955 * % (entire file)
1956 * $ [+-NUM]
1957 * 'x [+-NUM] (where x denotes a currently defined mark)
1958 * . [+-NUM]
1959 * [+-NUM]..
1960 * NUM
1961 *
1962 * The ea.cmd pointer is updated to point to the first character following the
1963 * range spec. If an initial address is found, but no second, the upper bound
1964 * is equal to the lower.
1965 */
1966
1967 /* repeat for all ',' or ';' separated addresses */
1968 for (;;)
1969 {
1970 ea.line1 = ea.line2;
1971 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1972 ea.cmd = skipwhite(ea.cmd);
1973 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1974 if (ea.cmd == NULL) /* error detected */
1975 goto doend;
1976 if (lnum == MAXLNUM)
1977 {
1978 if (*ea.cmd == '%') /* '%' - all lines */
1979 {
1980 ++ea.cmd;
1981 ea.line1 = 1;
1982 ea.line2 = curbuf->b_ml.ml_line_count;
1983 ++ea.addr_count;
1984 }
1985 /* '*' - visual area */
1986 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1987 {
1988 pos_T *fp;
1989
1990 ++ea.cmd;
1991 if (!ea.skip)
1992 {
1993 fp = getmark('<', FALSE);
1994 if (check_mark(fp) == FAIL)
1995 goto doend;
1996 ea.line1 = fp->lnum;
1997 fp = getmark('>', FALSE);
1998 if (check_mark(fp) == FAIL)
1999 goto doend;
2000 ea.line2 = fp->lnum;
2001 ++ea.addr_count;
2002 }
2003 }
2004 }
2005 else
2006 ea.line2 = lnum;
2007 ea.addr_count++;
2008
2009 if (*ea.cmd == ';')
2010 {
2011 if (!ea.skip)
2012 curwin->w_cursor.lnum = ea.line2;
2013 }
2014 else if (*ea.cmd != ',')
2015 break;
2016 ++ea.cmd;
2017 }
2018
2019 /* One address given: set start and end lines */
2020 if (ea.addr_count == 1)
2021 {
2022 ea.line1 = ea.line2;
2023 /* ... but only implicit: really no address given */
2024 if (lnum == MAXLNUM)
2025 ea.addr_count = 0;
2026 }
2027
2028 /* Don't leave the cursor on an illegal line (caused by ';') */
2029 check_cursor_lnum();
2030
2031 /*
2032 * 4. parse command
2033 */
2034
2035 /*
2036 * Skip ':' and any white space
2037 */
2038 ea.cmd = skipwhite(ea.cmd);
2039 while (*ea.cmd == ':')
2040 ea.cmd = skipwhite(ea.cmd + 1);
2041
2042 /*
2043 * If we got a line, but no command, then go to the line.
2044 * If we find a '|' or '\n' we set ea.nextcmd.
2045 */
2046 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2047 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2048 {
2049 /*
2050 * strange vi behaviour:
2051 * ":3" jumps to line 3
2052 * ":3|..." prints line 3
2053 * ":|" prints current line
2054 */
2055 if (ea.skip) /* skip this if inside :if */
2056 goto doend;
2057 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2058 {
2059 ea.cmdidx = CMD_print;
2060 ea.argt = RANGE+COUNT+TRLBAR;
2061 if ((errormsg = invalid_range(&ea)) == NULL)
2062 {
2063 correct_range(&ea);
2064 ex_print(&ea);
2065 }
2066 }
2067 else if (ea.addr_count != 0)
2068 {
2069 if (ea.line2 > curbuf->b_ml.ml_line_count)
2070 {
2071 /* With '-' in 'cpoptions' a line number past the file is an
2072 * error, otherwise put it at the end of the file. */
2073 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2074 ea.line2 = -1;
2075 else
2076 ea.line2 = curbuf->b_ml.ml_line_count;
2077 }
2078
2079 if (ea.line2 < 0)
2080 errormsg = (char_u *)_(e_invrange);
2081 else
2082 {
2083 if (ea.line2 == 0)
2084 curwin->w_cursor.lnum = 1;
2085 else
2086 curwin->w_cursor.lnum = ea.line2;
2087 beginline(BL_SOL | BL_FIX);
2088 }
2089 }
2090 goto doend;
2091 }
2092
2093 /* Find the command and let "p" point to after it. */
2094 p = find_command(&ea, NULL);
2095
2096 #ifdef FEAT_USR_CMDS
2097 if (p == NULL)
2098 {
2099 if (!ea.skip)
2100 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2101 goto doend;
2102 }
2103 /* Check for wrong commands. */
2104 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2105 {
2106 errormsg = uc_fun_cmd();
2107 goto doend;
2108 }
2109 #endif
2110 if (ea.cmdidx == CMD_SIZE)
2111 {
2112 if (!ea.skip)
2113 {
2114 STRCPY(IObuff, _("E492: Not an editor command"));
2115 if (!sourcing)
2116 {
2117 STRCAT(IObuff, ": ");
2118 STRNCAT(IObuff, *cmdlinep, 40);
2119 }
2120 errormsg = IObuff;
2121 }
2122 goto doend;
2123 }
2124
2125 ni = (
2126 #ifdef FEAT_USR_CMDS
2127 !USER_CMDIDX(ea.cmdidx) &&
2128 #endif
2129 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2130 #ifdef HAVE_EX_SCRIPT_NI
2131 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2132 #endif
2133 ));
2134
2135 #ifndef FEAT_EVAL
2136 /*
2137 * When the expression evaluation is disabled, recognize the ":if" and
2138 * ":endif" commands and ignore everything in between it.
2139 */
2140 if (ea.cmdidx == CMD_if)
2141 ++if_level;
2142 if (if_level)
2143 {
2144 if (ea.cmdidx == CMD_endif)
2145 --if_level;
2146 goto doend;
2147 }
2148
2149 #endif
2150
2151 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
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 mch_memmove(p, p + 1, STRLEN(p));
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));
2670 }
2671 emsg(errormsg);
2672 }
2673 #ifdef FEAT_EVAL
2674 do_errthrow(cstack,
2675 (ea.cmdidx != CMD_SIZE
2676 # ifdef FEAT_USR_CMDS
2677 && !USER_CMDIDX(ea.cmdidx)
2678 # endif
2679 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2680 #endif
2681
2682 if (verbose_save >= 0)
2683 p_verbose = verbose_save;
2684 #ifdef FEAT_AUTOCMD
2685 if (cmdmod.save_ei != NULL)
2686 {
2687 /* Restore 'eventignore' to the value before ":noautocmd". */
2688 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2689 OPT_FREE, SID_NONE);
2690 free_string_option(cmdmod.save_ei);
2691 }
2692 #endif
2693
2694 cmdmod = save_cmdmod;
2695
2696 if (did_silent > 0)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 msg_silent -= did_silent;
2701 if (msg_silent < 0)
2702 msg_silent = 0;
2703 emsg_silent -= did_esilent;
2704 if (emsg_silent < 0)
2705 emsg_silent = 0;
2706 /* Restore msg_scroll, it's set by file I/O commands, even when no
2707 * message is actually displayed. */
2708 msg_scroll = save_msg_scroll;
2709 }
2710
2711 #ifdef HAVE_SANDBOX
2712 if (did_sandbox)
2713 --sandbox;
2714 #endif
2715
2716 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2717 ea.nextcmd = NULL;
2718
2719 #ifdef FEAT_EVAL
2720 --ex_nesting_level;
2721 #endif
2722
2723 return ea.nextcmd;
2724 }
2725 #if (_MSC_VER == 1200)
2726 #pragma optimize( "", on )
2727 #endif
2728
2729 /*
2730 * Check for an Ex command with optional tail.
2731 * If there is a match advance "pp" to the argument and return TRUE.
2732 */
2733 int
2734 checkforcmd(pp, cmd, len)
2735 char_u **pp; /* start of command */
2736 char *cmd; /* name of command */
2737 int len; /* required length */
2738 {
2739 int i;
2740
2741 for (i = 0; cmd[i] != NUL; ++i)
2742 if (cmd[i] != (*pp)[i])
2743 break;
2744 if (i >= len && !isalpha((*pp)[i]))
2745 {
2746 *pp = skipwhite(*pp + i);
2747 return TRUE;
2748 }
2749 return FALSE;
2750 }
2751
2752 /*
2753 * Find an Ex command by its name, either built-in or user.
2754 * Start of the name can be found at eap->cmd.
2755 * Returns pointer to char after the command name.
2756 * "full" is set to TRUE if the whole command name matched.
2757 * Returns NULL for an ambiguous user command.
2758 */
2759 /*ARGSUSED*/
2760 static char_u *
2761 find_command(eap, full)
2762 exarg_T *eap;
2763 int *full;
2764 {
2765 int len;
2766 char_u *p;
2767 int i;
2768
2769 /*
2770 * Isolate the command and search for it in the command table.
2771 * Exceptions:
2772 * - the 'k' command can directly be followed by any character.
2773 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2774 * but :sre[wind] is another command, as are :scrip[tnames],
2775 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2776 * - the "d" command can directly be followed by 'l' or 'p' flag.
2777 */
2778 p = eap->cmd;
2779 if (*p == 'k')
2780 {
2781 eap->cmdidx = CMD_k;
2782 ++p;
2783 }
2784 else if (p[0] == 's'
2785 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2786 && p[3] != 'i' && p[4] != 'p')
2787 || p[1] == 'g'
2788 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2789 || p[1] == 'I'
2790 || (p[1] == 'r' && p[2] != 'e')))
2791 {
2792 eap->cmdidx = CMD_substitute;
2793 ++p;
2794 }
2795 else
2796 {
2797 while (ASCII_ISALPHA(*p))
2798 ++p;
2799 /* check for non-alpha command */
2800 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2801 ++p;
2802 len = (int)(p - eap->cmd);
2803 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2804 {
2805 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2806 * :delete with the 'l' flag. Same for 'p'. */
2807 for (i = 0; i < len; ++i)
2808 if (eap->cmd[i] != "delete"[i])
2809 break;
2810 if (i == len - 1)
2811 {
2812 --len;
2813 if (p[-1] == 'l')
2814 eap->flags |= EXFLAG_LIST;
2815 else
2816 eap->flags |= EXFLAG_PRINT;
2817 }
2818 }
2819
2820 if (ASCII_ISLOWER(*eap->cmd))
2821 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2822 else
2823 eap->cmdidx = cmdidxs[26];
2824
2825 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2826 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2827 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2828 (size_t)len) == 0)
2829 {
2830 #ifdef FEAT_EVAL
2831 if (full != NULL
2832 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2833 *full = TRUE;
2834 #endif
2835 break;
2836 }
2837
2838 #ifdef FEAT_USR_CMDS
2839 /* Look for a user defined command as a last resort */
2840 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2841 {
2842 /* User defined commands may contain digits. */
2843 while (ASCII_ISALNUM(*p))
2844 ++p;
2845 p = find_ucmd(eap, p, full, NULL, NULL);
2846 }
2847 #endif
2848 if (p == eap->cmd)
2849 eap->cmdidx = CMD_SIZE;
2850 }
2851
2852 return p;
2853 }
2854
2855 #ifdef FEAT_USR_CMDS
2856 /*
2857 * Search for a user command that matches "eap->cmd".
2858 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2859 * Return a pointer to just after the command.
2860 * Return NULL if there is no matching command.
2861 */
2862 static char_u *
2863 find_ucmd(eap, p, full, xp, compl)
2864 exarg_T *eap;
2865 char_u *p; /* end of the command (possibly including count) */
2866 int *full; /* set to TRUE for a full match */
2867 expand_T *xp; /* used for completion, NULL otherwise */
2868 int *compl; /* completion flags or NULL */
2869 {
2870 int len = (int)(p - eap->cmd);
2871 int j, k, matchlen = 0;
2872 ucmd_T *uc;
2873 int found = FALSE;
2874 int possible = FALSE;
2875 char_u *cp, *np; /* Point into typed cmd and test name */
2876 garray_T *gap;
2877 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2878 only full match global is accepted. */
2879
2880 /*
2881 * Look for buffer-local user commands first, then global ones.
2882 */
2883 gap = &curbuf->b_ucmds;
2884 for (;;)
2885 {
2886 for (j = 0; j < gap->ga_len; ++j)
2887 {
2888 uc = USER_CMD_GA(gap, j);
2889 cp = eap->cmd;
2890 np = uc->uc_name;
2891 k = 0;
2892 while (k < len && *np != NUL && *cp++ == *np++)
2893 k++;
2894 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2895 {
2896 /* If finding a second match, the command is ambiguous. But
2897 * not if a buffer-local command wasn't a full match and a
2898 * global command is a full match. */
2899 if (k == len && found && *np != NUL)
2900 {
2901 if (gap == &ucmds)
2902 return NULL;
2903 amb_local = TRUE;
2904 }
2905
2906 if (!found || (k == len && *np == NUL))
2907 {
2908 /* If we matched up to a digit, then there could
2909 * be another command including the digit that we
2910 * should use instead.
2911 */
2912 if (k == len)
2913 found = TRUE;
2914 else
2915 possible = TRUE;
2916
2917 if (gap == &ucmds)
2918 eap->cmdidx = CMD_USER;
2919 else
2920 eap->cmdidx = CMD_USER_BUF;
2921 eap->argt = (long)uc->uc_argt;
2922 eap->useridx = j;
2923
2924 # ifdef FEAT_CMDL_COMPL
2925 if (compl != NULL)
2926 *compl = uc->uc_compl;
2927 # ifdef FEAT_EVAL
2928 if (xp != NULL)
2929 {
2930 xp->xp_arg = uc->uc_compl_arg;
2931 xp->xp_scriptID = uc->uc_scriptID;
2932 }
2933 # endif
2934 # endif
2935 /* Do not search for further abbreviations
2936 * if this is an exact match. */
2937 matchlen = k;
2938 if (k == len && *np == NUL)
2939 {
2940 if (full != NULL)
2941 *full = TRUE;
2942 amb_local = FALSE;
2943 break;
2944 }
2945 }
2946 }
2947 }
2948
2949 /* Stop if we found a full match or searched all. */
2950 if (j < gap->ga_len || gap == &ucmds)
2951 break;
2952 gap = &ucmds;
2953 }
2954
2955 /* Only found ambiguous matches. */
2956 if (amb_local)
2957 {
2958 if (xp != NULL)
2959 xp->xp_context = EXPAND_UNSUCCESSFUL;
2960 return NULL;
2961 }
2962
2963 /* The match we found may be followed immediately by a number. Move "p"
2964 * back to point to it. */
2965 if (found || possible)
2966 return p + (matchlen - len);
2967 return p;
2968 }
2969 #endif
2970
2971 #if defined(FEAT_EVAL) || defined(PROTO)
2972 static struct cmdmod
2973 {
2974 char *name;
2975 int minlen;
2976 int has_count; /* :123verbose :3tab */
2977 } cmdmods[] = {
2978 {"aboveleft", 3, FALSE},
2979 {"belowright", 3, FALSE},
2980 {"botright", 2, FALSE},
2981 {"browse", 3, FALSE},
2982 {"confirm", 4, FALSE},
2983 {"hide", 3, FALSE},
2984 {"keepalt", 5, FALSE},
2985 {"keepjumps", 5, FALSE},
2986 {"keepmarks", 3, FALSE},
2987 {"leftabove", 5, FALSE},
2988 {"lockmarks", 3, FALSE},
2989 {"rightbelow", 6, FALSE},
2990 {"sandbox", 3, FALSE},
2991 {"silent", 3, FALSE},
2992 {"tab", 3, TRUE},
2993 {"topleft", 2, FALSE},
2994 {"verbose", 4, TRUE},
2995 {"vertical", 4, FALSE},
2996 };
2997
2998 /*
2999 * Return length of a command modifier (including optional count).
3000 * Return zero when it's not a modifier.
3001 */
3002 int
3003 modifier_len(cmd)
3004 char_u *cmd;
3005 {
3006 int i, j;
3007 char_u *p = cmd;
3008
3009 if (VIM_ISDIGIT(*cmd))
3010 p = skipwhite(skipdigits(cmd));
3011 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3012 {
3013 for (j = 0; p[j] != NUL; ++j)
3014 if (p[j] != cmdmods[i].name[j])
3015 break;
3016 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3017 && (p == cmd || cmdmods[i].has_count))
3018 return j + (p - cmd);
3019 }
3020 return 0;
3021 }
3022
3023 /*
3024 * Return > 0 if an Ex command "name" exists.
3025 * Return 2 if there is an exact match.
3026 * Return 3 if there is an ambiguous match.
3027 */
3028 int
3029 cmd_exists(name)
3030 char_u *name;
3031 {
3032 exarg_T ea;
3033 int full = FALSE;
3034 int i;
3035 int j;
3036 char_u *p;
3037
3038 /* Check command modifiers. */
3039 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3040 {
3041 for (j = 0; name[j] != NUL; ++j)
3042 if (name[j] != cmdmods[i].name[j])
3043 break;
3044 if (name[j] == NUL && j >= cmdmods[i].minlen)
3045 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3046 }
3047
3048 /* Check built-in commands and user defined commands.
3049 * For ":2match" and ":3match" we need to skip the number. */
3050 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3051 ea.cmdidx = (cmdidx_T)0;
3052 p = find_command(&ea, &full);
3053 if (p == NULL)
3054 return 3;
3055 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3056 return 0;
3057 if (*skipwhite(p) != NUL)
3058 return 0; /* trailing garbage */
3059 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3060 }
3061 #endif
3062
3063 /*
3064 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3065 * we don't need/want deleted. Maybe this could be done better if we didn't
3066 * repeat all this stuff. The only problem is that they may not stay
3067 * perfectly compatible with each other, but then the command line syntax
3068 * probably won't change that much -- webb.
3069 */
3070 char_u *
3071 set_one_cmd_context(xp, buff)
3072 expand_T *xp;
3073 char_u *buff; /* buffer for command string */
3074 {
3075 char_u *p;
3076 char_u *cmd, *arg;
3077 int len = 0;
3078 exarg_T ea;
3079 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3080 int compl = EXPAND_NOTHING;
3081 #endif
3082 #ifdef FEAT_CMDL_COMPL
3083 int delim;
3084 #endif
3085 int forceit = FALSE;
3086 int usefilter = FALSE; /* filter instead of file name */
3087
3088 ExpandInit(xp);
3089 xp->xp_pattern = buff;
3090 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3091 ea.argt = 0;
3092
3093 /*
3094 * 2. skip comment lines and leading space, colons or bars
3095 */
3096 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3097 ;
3098 xp->xp_pattern = cmd;
3099
3100 if (*cmd == NUL)
3101 return NULL;
3102 if (*cmd == '"') /* ignore comment lines */
3103 {
3104 xp->xp_context = EXPAND_NOTHING;
3105 return NULL;
3106 }
3107
3108 /*
3109 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3110 */
3111 cmd = skip_range(cmd, &xp->xp_context);
3112
3113 /*
3114 * 4. parse command
3115 */
3116 xp->xp_pattern = cmd;
3117 if (*cmd == NUL)
3118 return NULL;
3119 if (*cmd == '"')
3120 {
3121 xp->xp_context = EXPAND_NOTHING;
3122 return NULL;
3123 }
3124
3125 if (*cmd == '|' || *cmd == '\n')
3126 return cmd + 1; /* There's another command */
3127
3128 /*
3129 * Isolate the command and search for it in the command table.
3130 * Exceptions:
3131 * - the 'k' command can directly be followed by any character, but
3132 * do accept "keepmarks", "keepalt" and "keepjumps".
3133 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3134 */
3135 if (*cmd == 'k' && cmd[1] != 'e')
3136 {
3137 ea.cmdidx = CMD_k;
3138 p = cmd + 1;
3139 }
3140 else
3141 {
3142 p = cmd;
3143 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3144 ++p;
3145 /* check for non-alpha command */
3146 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3147 ++p;
3148 len = (int)(p - cmd);
3149
3150 if (len == 0)
3151 {
3152 xp->xp_context = EXPAND_UNSUCCESSFUL;
3153 return NULL;
3154 }
3155 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3156 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3157 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3158 break;
3159
3160 #ifdef FEAT_USR_CMDS
3161 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3162 {
3163 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3164 ++p;
3165 len = (int)(p - cmd);
3166 }
3167 #endif
3168 }
3169
3170 /*
3171 * If the cursor is touching the command, and it ends in an alpha-numeric
3172 * character, complete the command name.
3173 */
3174 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3175 return NULL;
3176
3177 if (ea.cmdidx == CMD_SIZE)
3178 {
3179 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3180 {
3181 ea.cmdidx = CMD_substitute;
3182 p = cmd + 1;
3183 }
3184 #ifdef FEAT_USR_CMDS
3185 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3186 {
3187 ea.cmd = cmd;
3188 p = find_ucmd(&ea, p, NULL, xp,
3189 # if defined(FEAT_CMDL_COMPL)
3190 &compl
3191 # else
3192 NULL
3193 # endif
3194 );
3195 if (p == NULL)
3196 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3197 }
3198 #endif
3199 }
3200 if (ea.cmdidx == CMD_SIZE)
3201 {
3202 /* Not still touching the command and it was an illegal one */
3203 xp->xp_context = EXPAND_UNSUCCESSFUL;
3204 return NULL;
3205 }
3206
3207 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3208
3209 if (*p == '!') /* forced commands */
3210 {
3211 forceit = TRUE;
3212 ++p;
3213 }
3214
3215 /*
3216 * 5. parse arguments
3217 */
3218 #ifdef FEAT_USR_CMDS
3219 if (!USER_CMDIDX(ea.cmdidx))
3220 #endif
3221 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3222
3223 arg = skipwhite(p);
3224
3225 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3226 {
3227 if (*arg == '>') /* append */
3228 {
3229 if (*++arg == '>')
3230 ++arg;
3231 arg = skipwhite(arg);
3232 }
3233 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3234 {
3235 ++arg;
3236 usefilter = TRUE;
3237 }
3238 }
3239
3240 if (ea.cmdidx == CMD_read)
3241 {
3242 usefilter = forceit; /* :r! filter if forced */
3243 if (*arg == '!') /* :r !filter */
3244 {
3245 ++arg;
3246 usefilter = TRUE;
3247 }
3248 }
3249
3250 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3251 {
3252 while (*arg == *cmd) /* allow any number of '>' or '<' */
3253 ++arg;
3254 arg = skipwhite(arg);
3255 }
3256
3257 /* Does command allow "+command"? */
3258 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3259 {
3260 /* Check if we're in the +command */
3261 p = arg + 1;
3262 arg = skip_cmd_arg(arg, FALSE);
3263
3264 /* Still touching the command after '+'? */
3265 if (*arg == NUL)
3266 return p;
3267
3268 /* Skip space(s) after +command to get to the real argument */
3269 arg = skipwhite(arg);
3270 }
3271
3272 /*
3273 * Check for '|' to separate commands and '"' to start comments.
3274 * Don't do this for ":read !cmd" and ":write !cmd".
3275 */
3276 if ((ea.argt & TRLBAR) && !usefilter)
3277 {
3278 p = arg;
3279 /* ":redir @" is not the start of a comment */
3280 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3281 p += 2;
3282 while (*p)
3283 {
3284 if (*p == Ctrl_V)
3285 {
3286 if (p[1] != NUL)
3287 ++p;
3288 }
3289 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3290 || *p == '|' || *p == '\n')
3291 {
3292 if (*(p - 1) != '\\')
3293 {
3294 if (*p == '|' || *p == '\n')
3295 return p + 1;
3296 return NULL; /* It's a comment */
3297 }
3298 }
3299 mb_ptr_adv(p);
3300 }
3301 }
3302
3303 /* no arguments allowed */
3304 if (!(ea.argt & EXTRA) && *arg != NUL &&
3305 vim_strchr((char_u *)"|\"", *arg) == NULL)
3306 return NULL;
3307
3308 /* Find start of last argument (argument just before cursor): */
3309 p = buff + STRLEN(buff);
3310 while (p != arg && *p != ' ' && *p != TAB)
3311 p--;
3312 if (*p == ' ' || *p == TAB)
3313 p++;
3314 xp->xp_pattern = p;
3315
3316 if (ea.argt & XFILE)
3317 {
3318 int c;
3319 int in_quote = FALSE;
3320 char_u *bow = NULL; /* Beginning of word */
3321
3322 /*
3323 * Allow spaces within back-quotes to count as part of the argument
3324 * being expanded.
3325 */
3326 xp->xp_pattern = skipwhite(arg);
3327 p = xp->xp_pattern;
3328 while (*p != NUL)
3329 {
3330 #ifdef FEAT_MBYTE
3331 if (has_mbyte)
3332 c = mb_ptr2char(p);
3333 else
3334 #endif
3335 c = *p;
3336 if (c == '\\' && p[1] != NUL)
3337 ++p;
3338 else if (c == '`')
3339 {
3340 if (!in_quote)
3341 {
3342 xp->xp_pattern = p;
3343 bow = p + 1;
3344 }
3345 in_quote = !in_quote;
3346 }
3347 #ifdef SPACE_IN_FILENAME
3348 else if (!vim_isfilec_or_wc(c)
3349 && (!(ea.argt & NOSPC) || usefilter))
3350 #else
3351 else if (!vim_isfilec_or_wc(c))
3352 #endif
3353 {
3354 while (*p != NUL)
3355 {
3356 #ifdef FEAT_MBYTE
3357 if (has_mbyte)
3358 c = mb_ptr2char(p);
3359 else
3360 #endif
3361 c = *p;
3362 if (c == '`' || vim_isfilec_or_wc(c))
3363 break;
3364 #ifdef FEAT_MBYTE
3365 if (has_mbyte)
3366 len = (*mb_ptr2len)(p);
3367 else
3368 #endif
3369 len = 1;
3370 mb_ptr_adv(p);
3371 }
3372 if (in_quote)
3373 bow = p;
3374 else
3375 xp->xp_pattern = p;
3376 p -= len;
3377 }
3378 mb_ptr_adv(p);
3379 }
3380
3381 /*
3382 * If we are still inside the quotes, and we passed a space, just
3383 * expand from there.
3384 */
3385 if (bow != NULL && in_quote)
3386 xp->xp_pattern = bow;
3387 xp->xp_context = EXPAND_FILES;
3388
3389 #ifndef BACKSLASH_IN_FILENAME
3390 /* For a shell command more chars need to be escaped. */
3391 if (usefilter || ea.cmdidx == CMD_bang)
3392 {
3393 xp->xp_shell = TRUE;
3394
3395 /* When still after the command name expand executables. */
3396 if (xp->xp_pattern == skipwhite(arg))
3397 xp->xp_context = EXPAND_SHELLCMD;
3398 }
3399 #endif
3400
3401 /* Check for environment variable */
3402 if (*xp->xp_pattern == '$'
3403 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3404 || *xp->xp_pattern == '%'
3405 #endif
3406 )
3407 {
3408 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3409 if (!vim_isIDc(*p))
3410 break;
3411 if (*p == NUL)
3412 {
3413 xp->xp_context = EXPAND_ENV_VARS;
3414 ++xp->xp_pattern;
3415 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3416 /* Avoid that the assignment uses EXPAND_FILES again. */
3417 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3418 compl = EXPAND_ENV_VARS;
3419 #endif
3420 }
3421 }
3422 }
3423
3424 /*
3425 * 6. switch on command name
3426 */
3427 switch (ea.cmdidx)
3428 {
3429 case CMD_cd:
3430 case CMD_chdir:
3431 case CMD_lcd:
3432 case CMD_lchdir:
3433 if (xp->xp_context == EXPAND_FILES)
3434 xp->xp_context = EXPAND_DIRECTORIES;
3435 break;
3436 case CMD_help:
3437 xp->xp_context = EXPAND_HELP;
3438 xp->xp_pattern = arg;
3439 break;
3440
3441 /* Command modifiers: return the argument.
3442 * Also for commands with an argument that is a command. */
3443 case CMD_aboveleft:
3444 case CMD_argdo:
3445 case CMD_belowright:
3446 case CMD_botright:
3447 case CMD_browse:
3448 case CMD_bufdo:
3449 case CMD_confirm:
3450 case CMD_debug:
3451 case CMD_folddoclosed:
3452 case CMD_folddoopen:
3453 case CMD_hide:
3454 case CMD_keepalt:
3455 case CMD_keepjumps:
3456 case CMD_keepmarks:
3457 case CMD_leftabove:
3458 case CMD_lockmarks:
3459 case CMD_rightbelow:
3460 case CMD_sandbox:
3461 case CMD_silent:
3462 case CMD_tab:
3463 case CMD_topleft:
3464 case CMD_verbose:
3465 case CMD_vertical:
3466 case CMD_windo:
3467 return arg;
3468
3469 #ifdef FEAT_CMDL_COMPL
3470 # ifdef FEAT_SEARCH_EXTRA
3471 case CMD_match:
3472 if (*arg == NUL || !ends_excmd(*arg))
3473 {
3474 /* also complete "None" */
3475 set_context_in_echohl_cmd(xp, arg);
3476 arg = skipwhite(skiptowhite(arg));
3477 if (*arg != NUL)
3478 {
3479 xp->xp_context = EXPAND_NOTHING;
3480 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3481 }
3482 }
3483 return find_nextcmd(arg);
3484 # endif
3485
3486 /*
3487 * All completion for the +cmdline_compl feature goes here.
3488 */
3489
3490 # ifdef FEAT_USR_CMDS
3491 case CMD_command:
3492 /* Check for attributes */
3493 while (*arg == '-')
3494 {
3495 arg++; /* Skip "-" */
3496 p = skiptowhite(arg);
3497 if (*p == NUL)
3498 {
3499 /* Cursor is still in the attribute */
3500 p = vim_strchr(arg, '=');
3501 if (p == NULL)
3502 {
3503 /* No "=", so complete attribute names */
3504 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3505 xp->xp_pattern = arg;
3506 return NULL;
3507 }
3508
3509 /* For the -complete and -nargs attributes, we complete
3510 * their arguments as well.
3511 */
3512 if (STRNICMP(arg, "complete", p - arg) == 0)
3513 {
3514 xp->xp_context = EXPAND_USER_COMPLETE;
3515 xp->xp_pattern = p + 1;
3516 return NULL;
3517 }
3518 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3519 {
3520 xp->xp_context = EXPAND_USER_NARGS;
3521 xp->xp_pattern = p + 1;
3522 return NULL;
3523 }
3524 return NULL;
3525 }
3526 arg = skipwhite(p);
3527 }
3528
3529 /* After the attributes comes the new command name */
3530 p = skiptowhite(arg);
3531 if (*p == NUL)
3532 {
3533 xp->xp_context = EXPAND_USER_COMMANDS;
3534 xp->xp_pattern = arg;
3535 break;
3536 }
3537
3538 /* And finally comes a normal command */
3539 return skipwhite(p);
3540
3541 case CMD_delcommand:
3542 xp->xp_context = EXPAND_USER_COMMANDS;
3543 xp->xp_pattern = arg;
3544 break;
3545 # endif
3546
3547 case CMD_global:
3548 case CMD_vglobal:
3549 delim = *arg; /* get the delimiter */
3550 if (delim)
3551 ++arg; /* skip delimiter if there is one */
3552
3553 while (arg[0] != NUL && arg[0] != delim)
3554 {
3555 if (arg[0] == '\\' && arg[1] != NUL)
3556 ++arg;
3557 ++arg;
3558 }
3559 if (arg[0] != NUL)
3560 return arg + 1;
3561 break;
3562 case CMD_and:
3563 case CMD_substitute:
3564 delim = *arg;
3565 if (delim)
3566 {
3567 /* skip "from" part */
3568 ++arg;
3569 arg = skip_regexp(arg, delim, p_magic, NULL);
3570 }
3571 /* skip "to" part */
3572 while (arg[0] != NUL && arg[0] != delim)
3573 {
3574 if (arg[0] == '\\' && arg[1] != NUL)
3575 ++arg;
3576 ++arg;
3577 }
3578 if (arg[0] != NUL) /* skip delimiter */
3579 ++arg;
3580 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3581 ++arg;
3582 if (arg[0] != NUL)
3583 return arg;
3584 break;
3585 case CMD_isearch:
3586 case CMD_dsearch:
3587 case CMD_ilist:
3588 case CMD_dlist:
3589 case CMD_ijump:
3590 case CMD_psearch:
3591 case CMD_djump:
3592 case CMD_isplit:
3593 case CMD_dsplit:
3594 arg = skipwhite(skipdigits(arg)); /* skip count */
3595 if (*arg == '/') /* Match regexp, not just whole words */
3596 {
3597 for (++arg; *arg && *arg != '/'; arg++)
3598 if (*arg == '\\' && arg[1] != NUL)
3599 arg++;
3600 if (*arg)
3601 {
3602 arg = skipwhite(arg + 1);
3603
3604 /* Check for trailing illegal characters */
3605 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3606 xp->xp_context = EXPAND_NOTHING;
3607 else
3608 return arg;
3609 }
3610 }
3611 break;
3612 #ifdef FEAT_AUTOCMD
3613 case CMD_autocmd:
3614 return set_context_in_autocmd(xp, arg, FALSE);
3615
3616 case CMD_doautocmd:
3617 return set_context_in_autocmd(xp, arg, TRUE);
3618 #endif
3619 case CMD_set:
3620 set_context_in_set_cmd(xp, arg, 0);
3621 break;
3622 case CMD_setglobal:
3623 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3624 break;
3625 case CMD_setlocal:
3626 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3627 break;
3628 case CMD_tag:
3629 case CMD_stag:
3630 case CMD_ptag:
3631 case CMD_ltag:
3632 case CMD_tselect:
3633 case CMD_stselect:
3634 case CMD_ptselect:
3635 case CMD_tjump:
3636 case CMD_stjump:
3637 case CMD_ptjump:
3638 if (*p_wop != NUL)
3639 xp->xp_context = EXPAND_TAGS_LISTFILES;
3640 else
3641 xp->xp_context = EXPAND_TAGS;
3642 xp->xp_pattern = arg;
3643 break;
3644 case CMD_augroup:
3645 xp->xp_context = EXPAND_AUGROUP;
3646 xp->xp_pattern = arg;
3647 break;
3648 #ifdef FEAT_SYN_HL
3649 case CMD_syntax:
3650 set_context_in_syntax_cmd(xp, arg);
3651 break;
3652 #endif
3653 #ifdef FEAT_EVAL
3654 case CMD_let:
3655 case CMD_if:
3656 case CMD_elseif:
3657 case CMD_while:
3658 case CMD_for:
3659 case CMD_echo:
3660 case CMD_echon:
3661 case CMD_execute:
3662 case CMD_echomsg:
3663 case CMD_echoerr:
3664 case CMD_call:
3665 case CMD_return:
3666 set_context_for_expression(xp, arg, ea.cmdidx);
3667 break;
3668
3669 case CMD_unlet:
3670 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3671 arg = xp->xp_pattern + 1;
3672 xp->xp_context = EXPAND_USER_VARS;
3673 xp->xp_pattern = arg;
3674 break;
3675
3676 case CMD_function:
3677 case CMD_delfunction:
3678 xp->xp_context = EXPAND_USER_FUNC;
3679 xp->xp_pattern = arg;
3680 break;
3681
3682 case CMD_echohl:
3683 set_context_in_echohl_cmd(xp, arg);
3684 break;
3685 #endif
3686 case CMD_highlight:
3687 set_context_in_highlight_cmd(xp, arg);
3688 break;
3689 #ifdef FEAT_LISTCMDS
3690 case CMD_bdelete:
3691 case CMD_bwipeout:
3692 case CMD_bunload:
3693 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3694 arg = xp->xp_pattern + 1;
3695 /*FALLTHROUGH*/
3696 case CMD_buffer:
3697 case CMD_sbuffer:
3698 case CMD_checktime:
3699 xp->xp_context = EXPAND_BUFFERS;
3700 xp->xp_pattern = arg;
3701 break;
3702 #endif
3703 #ifdef FEAT_USR_CMDS
3704 case CMD_USER:
3705 case CMD_USER_BUF:
3706 if (compl != EXPAND_NOTHING)
3707 {
3708 /* XFILE: file names are handled above */
3709 if (!(ea.argt & XFILE))
3710 {
3711 # ifdef FEAT_MENU
3712 if (compl == EXPAND_MENUS)
3713 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3714 # endif
3715 if (compl == EXPAND_COMMANDS)
3716 return arg;
3717 if (compl == EXPAND_MAPPINGS)
3718 return set_context_in_map_cmd(xp, (char_u *)"map",
3719 arg, forceit, FALSE, FALSE, CMD_map);
3720 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3721 arg = xp->xp_pattern + 1;
3722 xp->xp_pattern = arg;
3723 }
3724 xp->xp_context = compl;
3725 }
3726 break;
3727 #endif
3728 case CMD_map: case CMD_noremap:
3729 case CMD_nmap: case CMD_nnoremap:
3730 case CMD_vmap: case CMD_vnoremap:
3731 case CMD_omap: case CMD_onoremap:
3732 case CMD_imap: case CMD_inoremap:
3733 case CMD_cmap: case CMD_cnoremap:
3734 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3735 FALSE, FALSE, ea.cmdidx);
3736 case CMD_unmap:
3737 case CMD_nunmap:
3738 case CMD_vunmap:
3739 case CMD_ounmap:
3740 case CMD_iunmap:
3741 case CMD_cunmap:
3742 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3743 FALSE, TRUE, ea.cmdidx);
3744 case CMD_abbreviate: case CMD_noreabbrev:
3745 case CMD_cabbrev: case CMD_cnoreabbrev:
3746 case CMD_iabbrev: case CMD_inoreabbrev:
3747 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3748 TRUE, FALSE, ea.cmdidx);
3749 case CMD_unabbreviate:
3750 case CMD_cunabbrev:
3751 case CMD_iunabbrev:
3752 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3753 TRUE, TRUE, ea.cmdidx);
3754 #ifdef FEAT_MENU
3755 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3756 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3757 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3758 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3759 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3760 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3761 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3762 case CMD_tmenu: case CMD_tunmenu:
3763 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3764 #ifdef FEAT_GUI_MACVIM
3765 case CMD_macmenukey:
3766 #endif
3767 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3768 #endif
3769
3770 case CMD_colorscheme:
3771 xp->xp_context = EXPAND_COLORS;
3772 xp->xp_pattern = arg;
3773 break;
3774
3775 case CMD_compiler:
3776 xp->xp_context = EXPAND_COMPILER;
3777 xp->xp_pattern = arg;
3778 break;
3779
3780 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3781 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3782 case CMD_language:
3783 if (*skiptowhite(arg) == NUL)
3784 {
3785 xp->xp_context = EXPAND_LANGUAGE;
3786 xp->xp_pattern = arg;
3787 }
3788 else
3789 xp->xp_context = EXPAND_NOTHING;
3790 break;
3791 #endif
3792
3793 #endif /* FEAT_CMDL_COMPL */
3794
3795 default:
3796 break;
3797 }
3798 return NULL;
3799 }
3800
3801 /*
3802 * skip a range specifier of the form: addr [,addr] [;addr] ..
3803 *
3804 * Backslashed delimiters after / or ? will be skipped, and commands will
3805 * not be expanded between /'s and ?'s or after "'".
3806 *
3807 * Also skip white space and ":" characters.
3808 * Returns the "cmd" pointer advanced to beyond the range.
3809 */
3810 char_u *
3811 skip_range(cmd, ctx)
3812 char_u *cmd;
3813 int *ctx; /* pointer to xp_context or NULL */
3814 {
3815 int delim;
3816
3817 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3818 {
3819 if (*cmd == '\'')
3820 {
3821 if (*++cmd == NUL && ctx != NULL)
3822 *ctx = EXPAND_NOTHING;
3823 }
3824 else if (*cmd == '/' || *cmd == '?')
3825 {
3826 delim = *cmd++;
3827 while (*cmd != NUL && *cmd != delim)
3828 if (*cmd++ == '\\' && *cmd != NUL)
3829 ++cmd;
3830 if (*cmd == NUL && ctx != NULL)
3831 *ctx = EXPAND_NOTHING;
3832 }
3833 if (*cmd != NUL)
3834 ++cmd;
3835 }
3836
3837 /* Skip ":" and white space. */
3838 while (*cmd == ':')
3839 cmd = skipwhite(cmd + 1);
3840
3841 return cmd;
3842 }
3843
3844 /*
3845 * get a single EX address
3846 *
3847 * Set ptr to the next character after the part that was interpreted.
3848 * Set ptr to NULL when an error is encountered.
3849 *
3850 * Return MAXLNUM when no Ex address was found.
3851 */
3852 static linenr_T
3853 get_address(ptr, skip, to_other_file)
3854 char_u **ptr;
3855 int skip; /* only skip the address, don't use it */
3856 int to_other_file; /* flag: may jump to other file */
3857 {
3858 int c;
3859 int i;
3860 long n;
3861 char_u *cmd;
3862 pos_T pos;
3863 pos_T *fp;
3864 linenr_T lnum;
3865
3866 cmd = skipwhite(*ptr);
3867 lnum = MAXLNUM;
3868 do
3869 {
3870 switch (*cmd)
3871 {
3872 case '.': /* '.' - Cursor position */
3873 ++cmd;
3874 lnum = curwin->w_cursor.lnum;
3875 break;
3876
3877 case '$': /* '$' - last line */
3878 ++cmd;
3879 lnum = curbuf->b_ml.ml_line_count;
3880 break;
3881
3882 case '\'': /* ''' - mark */
3883 if (*++cmd == NUL)
3884 {
3885 cmd = NULL;
3886 goto error;
3887 }
3888 if (skip)
3889 ++cmd;
3890 else
3891 {
3892 /* Only accept a mark in another file when it is
3893 * used by itself: ":'M". */
3894 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3895 ++cmd;
3896 if (fp == (pos_T *)-1)
3897 /* Jumped to another file. */
3898 lnum = curwin->w_cursor.lnum;
3899 else
3900 {
3901 if (check_mark(fp) == FAIL)
3902 {
3903 cmd = NULL;
3904 goto error;
3905 }
3906 lnum = fp->lnum;
3907 }
3908 }
3909 break;
3910
3911 case '/':
3912 case '?': /* '/' or '?' - search */
3913 c = *cmd++;
3914 if (skip) /* skip "/pat/" */
3915 {
3916 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3917 if (*cmd == c)
3918 ++cmd;
3919 }
3920 else
3921 {
3922 pos = curwin->w_cursor; /* save curwin->w_cursor */
3923 /*
3924 * When '/' or '?' follows another address, start
3925 * from there.
3926 */
3927 if (lnum != MAXLNUM)
3928 curwin->w_cursor.lnum = lnum;
3929 /*
3930 * Start a forward search at the end of the line.
3931 * Start a backward search at the start of the line.
3932 * This makes sure we never match in the current
3933 * line, and can match anywhere in the
3934 * next/previous line.
3935 */
3936 if (c == '/')
3937 curwin->w_cursor.col = MAXCOL;
3938 else
3939 curwin->w_cursor.col = 0;
3940 searchcmdlen = 0;
3941 if (!do_search(NULL, c, cmd, 1L,
3942 SEARCH_HIS + SEARCH_MSG + SEARCH_START))
3943 {
3944 curwin->w_cursor = pos;
3945 cmd = NULL;
3946 goto error;
3947 }
3948 lnum = curwin->w_cursor.lnum;
3949 curwin->w_cursor = pos;
3950 /* adjust command string pointer */
3951 cmd += searchcmdlen;
3952 }
3953 break;
3954
3955 case '\\': /* "\?", "\/" or "\&", repeat search */
3956 ++cmd;
3957 if (*cmd == '&')
3958 i = RE_SUBST;
3959 else if (*cmd == '?' || *cmd == '/')
3960 i = RE_SEARCH;
3961 else
3962 {
3963 EMSG(_(e_backslash));
3964 cmd = NULL;
3965 goto error;
3966 }
3967
3968 if (!skip)
3969 {
3970 /*
3971 * When search follows another address, start from
3972 * there.
3973 */
3974 if (lnum != MAXLNUM)
3975 pos.lnum = lnum;
3976 else
3977 pos.lnum = curwin->w_cursor.lnum;
3978
3979 /*
3980 * Start the search just like for the above
3981 * do_search().
3982 */
3983 if (*cmd != '?')
3984 pos.col = MAXCOL;
3985 else
3986 pos.col = 0;
3987 if (searchit(curwin, curbuf, &pos,
3988 *cmd == '?' ? BACKWARD : FORWARD,
3989 (char_u *)"", 1L,
3990 SEARCH_MSG + SEARCH_START,
3991 i, (linenr_T)0) != FAIL)
3992 lnum = pos.lnum;
3993 else
3994 {
3995 cmd = NULL;
3996 goto error;
3997 }
3998 }
3999 ++cmd;
4000 break;
4001
4002 default:
4003 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4004 lnum = getdigits(&cmd);
4005 }
4006
4007 for (;;)
4008 {
4009 cmd = skipwhite(cmd);
4010 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4011 break;
4012
4013 if (lnum == MAXLNUM)
4014 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4015 if (VIM_ISDIGIT(*cmd))
4016 i = '+'; /* "number" is same as "+number" */
4017 else
4018 i = *cmd++;
4019 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4020 n = 1;
4021 else
4022 n = getdigits(&cmd);
4023 if (i == '-')
4024 lnum -= n;
4025 else
4026 lnum += n;
4027 }
4028 } while (*cmd == '/' || *cmd == '?');
4029
4030 error:
4031 *ptr = cmd;
4032 return lnum;
4033 }
4034
4035 /*
4036 * Get flags from an Ex command argument.
4037 */
4038 static void
4039 get_flags(eap)
4040 exarg_T *eap;
4041 {
4042 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4043 {
4044 if (*eap->arg == 'l')
4045 eap->flags |= EXFLAG_LIST;
4046 else if (*eap->arg == 'p')
4047 eap->flags |= EXFLAG_PRINT;
4048 else
4049 eap->flags |= EXFLAG_NR;
4050 eap->arg = skipwhite(eap->arg + 1);
4051 }
4052 }
4053
4054 /*
4055 * Function called for command which is Not Implemented. NI!
4056 */
4057 void
4058 ex_ni(eap)
4059 exarg_T *eap;
4060 {
4061 if (!eap->skip)
4062 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4063 }
4064
4065 #ifdef HAVE_EX_SCRIPT_NI
4066 /*
4067 * Function called for script command which is Not Implemented. NI!
4068 * Skips over ":perl <<EOF" constructs.
4069 */
4070 static void
4071 ex_script_ni(eap)
4072 exarg_T *eap;
4073 {
4074 if (!eap->skip)
4075 ex_ni(eap);
4076 else
4077 vim_free(script_get(eap, eap->arg));
4078 }
4079 #endif
4080
4081 /*
4082 * Check range in Ex command for validity.
4083 * Return NULL when valid, error message when invalid.
4084 */
4085 static char_u *
4086 invalid_range(eap)
4087 exarg_T *eap;
4088 {
4089 if ( eap->line1 < 0
4090 || eap->line2 < 0
4091 || eap->line1 > eap->line2
4092 || ((eap->argt & RANGE)
4093 && !(eap->argt & NOTADR)
4094 && eap->line2 > curbuf->b_ml.ml_line_count
4095 #ifdef FEAT_DIFF
4096 + (eap->cmdidx == CMD_diffget)
4097 #endif
4098 ))
4099 return (char_u *)_(e_invrange);
4100 return NULL;
4101 }
4102
4103 /*
4104 * Correct the range for zero line number, if required.
4105 */
4106 static void
4107 correct_range(eap)
4108 exarg_T *eap;
4109 {
4110 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4111 {
4112 if (eap->line1 == 0)
4113 eap->line1 = 1;
4114 if (eap->line2 == 0)
4115 eap->line2 = 1;
4116 }
4117 }
4118
4119 #ifdef FEAT_QUICKFIX
4120 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4121
4122 /*
4123 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4124 * pattern. Otherwise return eap->arg.
4125 */
4126 static char_u *
4127 skip_grep_pat(eap)
4128 exarg_T *eap;
4129 {
4130 char_u *p = eap->arg;
4131
4132 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4133 || eap->cmdidx == CMD_vimgrepadd
4134 || eap->cmdidx == CMD_lvimgrepadd
4135 || grep_internal(eap->cmdidx)))
4136 {
4137 p = skip_vimgrep_pat(p, NULL, NULL);
4138 if (p == NULL)
4139 p = eap->arg;
4140 }
4141 return p;
4142 }
4143
4144 /*
4145 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4146 * in the command line, so that things like % get expanded.
4147 */
4148 static char_u *
4149 replace_makeprg(eap, p, cmdlinep)
4150 exarg_T *eap;
4151 char_u *p;
4152 char_u **cmdlinep;
4153 {
4154 char_u *new_cmdline;
4155 char_u *program;
4156 char_u *pos;
4157 char_u *ptr;
4158 int len;
4159 int i;
4160
4161 /*
4162 * Don't do it when ":vimgrep" is used for ":grep".
4163 */
4164 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4165 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4166 || eap->cmdidx == CMD_grepadd
4167 || eap->cmdidx == CMD_lgrepadd)
4168 && !grep_internal(eap->cmdidx))
4169 {
4170 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4171 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4172 {
4173 if (*curbuf->b_p_gp == NUL)
4174 program = p_gp;
4175 else
4176 program = curbuf->b_p_gp;
4177 }
4178 else
4179 {
4180 if (*curbuf->b_p_mp == NUL)
4181 program = p_mp;
4182 else
4183 program = curbuf->b_p_mp;
4184 }
4185
4186 p = skipwhite(p);
4187
4188 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4189 {
4190 /* replace $* by given arguments */
4191 i = 1;
4192 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4193 ++i;
4194 len = (int)STRLEN(p);
4195 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4196 if (new_cmdline == NULL)
4197 return NULL; /* out of memory */
4198 ptr = new_cmdline;
4199 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4200 {
4201 i = (int)(pos - program);
4202 STRNCPY(ptr, program, i);
4203 STRCPY(ptr += i, p);
4204 ptr += len;
4205 program = pos + 2;
4206 }
4207 STRCPY(ptr, program);
4208 }
4209 else
4210 {
4211 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4212 if (new_cmdline == NULL)
4213 return NULL; /* out of memory */
4214 STRCPY(new_cmdline, program);
4215 STRCAT(new_cmdline, " ");
4216 STRCAT(new_cmdline, p);
4217 }
4218 msg_make(p);
4219
4220 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4221 vim_free(*cmdlinep);
4222 *cmdlinep = new_cmdline;
4223 p = new_cmdline;
4224 }
4225 return p;
4226 }
4227 #endif
4228
4229 /*
4230 * Expand file name in Ex command argument.
4231 * Return FAIL for failure, OK otherwise.
4232 */
4233 int
4234 expand_filename(eap, cmdlinep, errormsgp)
4235 exarg_T *eap;
4236 char_u **cmdlinep;
4237 char_u **errormsgp;
4238 {
4239 int has_wildcards; /* need to expand wildcards */
4240 char_u *repl;
4241 int srclen;
4242 char_u *p;
4243 int n;
4244 int escaped;
4245
4246 #ifdef FEAT_QUICKFIX
4247 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4248 p = skip_grep_pat(eap);
4249 #else
4250 p = eap->arg;
4251 #endif
4252
4253 /*
4254 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4255 * the file name contains a wildcard it should not cause expanding.
4256 * (it will be expanded anyway if there is a wildcard before replacing).
4257 */
4258 has_wildcards = mch_has_wildcard(p);
4259 while (*p != NUL)
4260 {
4261 #ifdef FEAT_EVAL
4262 /* Skip over `=expr`, wildcards in it are not expanded. */
4263 if (p[0] == '`' && p[1] == '=')
4264 {
4265 p += 2;
4266 (void)skip_expr(&p);
4267 if (*p == '`')
4268 ++p;
4269 continue;
4270 }
4271 #endif
4272 /*
4273 * Quick check if this cannot be the start of a special string.
4274 * Also removes backslash before '%', '#' and '<'.
4275 */
4276 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4277 {
4278 ++p;
4279 continue;
4280 }
4281
4282 /*
4283 * Try to find a match at this position.
4284 */
4285 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4286 errormsgp, &escaped);
4287 if (*errormsgp != NULL) /* error detected */
4288 return FAIL;
4289 if (repl == NULL) /* no match found */
4290 {
4291 p += srclen;
4292 continue;
4293 }
4294
4295 /* Wildcards won't be expanded below, the replacement is taken
4296 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4297 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4298 {
4299 char_u *l = repl;
4300
4301 repl = expand_env_save(repl);
4302 vim_free(l);
4303 }
4304
4305 /* Need to escape white space et al. with a backslash.
4306 * Don't do this for:
4307 * - replacement that already has been escaped: "##"
4308 * - shell commands (may have to use quotes instead).
4309 * - non-unix systems when there is a single argument (spaces don't
4310 * separate arguments then).
4311 */
4312 if (!eap->usefilter
4313 && !escaped
4314 && eap->cmdidx != CMD_bang
4315 && eap->cmdidx != CMD_make
4316 && eap->cmdidx != CMD_lmake
4317 && eap->cmdidx != CMD_grep
4318 && eap->cmdidx != CMD_lgrep
4319 && eap->cmdidx != CMD_grepadd
4320 && eap->cmdidx != CMD_lgrepadd
4321 #ifndef UNIX
4322 && !(eap->argt & NOSPC)
4323 #endif
4324 )
4325 {
4326 char_u *l;
4327 #ifdef BACKSLASH_IN_FILENAME
4328 /* Don't escape a backslash here, because rem_backslash() doesn't
4329 * remove it later. */
4330 static char_u *nobslash = (char_u *)" \t\"|";
4331 # define ESCAPE_CHARS nobslash
4332 #else
4333 # define ESCAPE_CHARS escape_chars
4334 #endif
4335
4336 for (l = repl; *l; ++l)
4337 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4338 {
4339 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4340 if (l != NULL)
4341 {
4342 vim_free(repl);
4343 repl = l;
4344 }
4345 break;
4346 }
4347 }
4348
4349 /* For a shell command a '!' must be escaped. */
4350 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4351 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4352 {
4353 char_u *l;
4354
4355 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4356 if (l != NULL)
4357 {
4358 vim_free(repl);
4359 repl = l;
4360 /* For a sh-like shell escape "!" another time. */
4361 if (strstr((char *)p_sh, "sh") != NULL)
4362 {
4363 l = vim_strsave_escaped(repl, (char_u *)"!");
4364 if (l != NULL)
4365 {
4366 vim_free(repl);
4367 repl = l;
4368 }
4369 }
4370 }
4371 }
4372
4373 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4374 vim_free(repl);
4375 if (p == NULL)
4376 return FAIL;
4377 }
4378
4379 /*
4380 * One file argument: Expand wildcards.
4381 * Don't do this with ":r !command" or ":w !command".
4382 */
4383 if ((eap->argt & NOSPC) && !eap->usefilter)
4384 {
4385 /*
4386 * May do this twice:
4387 * 1. Replace environment variables.
4388 * 2. Replace any other wildcards, remove backslashes.
4389 */
4390 for (n = 1; n <= 2; ++n)
4391 {
4392 if (n == 2)
4393 {
4394 #ifdef UNIX
4395 /*
4396 * Only for Unix we check for more than one file name.
4397 * For other systems spaces are considered to be part
4398 * of the file name.
4399 * Only check here if there is no wildcard, otherwise
4400 * ExpandOne() will check for errors. This allows
4401 * ":e `ls ve*.c`" on Unix.
4402 */
4403 if (!has_wildcards)
4404 for (p = eap->arg; *p; ++p)
4405 {
4406 /* skip escaped characters */
4407 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4408 ++p;
4409 else if (vim_iswhite(*p))
4410 {
4411 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4412 return FAIL;
4413 }
4414 }
4415 #endif
4416
4417 /*
4418 * Halve the number of backslashes (this is Vi compatible).
4419 * For Unix and OS/2, when wildcards are expanded, this is
4420 * done by ExpandOne() below.
4421 */
4422 #if defined(UNIX) || defined(OS2)
4423 if (!has_wildcards)
4424 #endif
4425 backslash_halve(eap->arg);
4426 }
4427
4428 if (has_wildcards)
4429 {
4430 if (n == 1)
4431 {
4432 /*
4433 * First loop: May expand environment variables. This
4434 * can be done much faster with expand_env() than with
4435 * something else (e.g., calling a shell).
4436 * After expanding environment variables, check again
4437 * if there are still wildcards present.
4438 */
4439 if (vim_strchr(eap->arg, '$') != NULL
4440 || vim_strchr(eap->arg, '~') != NULL)
4441 {
4442 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4443 TRUE, TRUE, NULL);
4444 has_wildcards = mch_has_wildcard(NameBuff);
4445 p = NameBuff;
4446 }
4447 else
4448 p = NULL;
4449 }
4450 else /* n == 2 */
4451 {
4452 expand_T xpc;
4453
4454 ExpandInit(&xpc);
4455 xpc.xp_context = EXPAND_FILES;
4456 p = ExpandOne(&xpc, eap->arg, NULL,
4457 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4458 WILD_EXPAND_FREE);
4459 if (p == NULL)
4460 return FAIL;
4461 }
4462 if (p != NULL)
4463 {
4464 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4465 p, cmdlinep);
4466 if (n == 2) /* p came from ExpandOne() */
4467 vim_free(p);
4468 }
4469 }
4470 }
4471 }
4472 return OK;
4473 }
4474
4475 /*
4476 * Replace part of the command line, keeping eap->cmd, eap->arg and
4477 * eap->nextcmd correct.
4478 * "src" points to the part that is to be replaced, of length "srclen".
4479 * "repl" is the replacement string.
4480 * Returns a pointer to the character after the replaced string.
4481 * Returns NULL for failure.
4482 */
4483 static char_u *
4484 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4485 exarg_T *eap;
4486 char_u *src;
4487 int srclen;
4488 char_u *repl;
4489 char_u **cmdlinep;
4490 {
4491 int len;
4492 int i;
4493 char_u *new_cmdline;
4494
4495 /*
4496 * The new command line is build in new_cmdline[].
4497 * First allocate it.
4498 * Careful: a "+cmd" argument may have been NUL terminated.
4499 */
4500 len = (int)STRLEN(repl);
4501 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4502 if (eap->nextcmd != NULL)
4503 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4504 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4505 return NULL; /* out of memory! */
4506
4507 /*
4508 * Copy the stuff before the expanded part.
4509 * Copy the expanded stuff.
4510 * Copy what came after the expanded part.
4511 * Copy the next commands, if there are any.
4512 */
4513 i = (int)(src - *cmdlinep); /* length of part before match */
4514 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4515
4516 mch_memmove(new_cmdline + i, repl, (size_t)len);
4517 i += len; /* remember the end of the string */
4518 STRCPY(new_cmdline + i, src + srclen);
4519 src = new_cmdline + i; /* remember where to continue */
4520
4521 if (eap->nextcmd != NULL) /* append next command */
4522 {
4523 i = (int)STRLEN(new_cmdline) + 1;
4524 STRCPY(new_cmdline + i, eap->nextcmd);
4525 eap->nextcmd = new_cmdline + i;
4526 }
4527 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4528 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4529 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4530 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4531 vim_free(*cmdlinep);
4532 *cmdlinep = new_cmdline;
4533
4534 return src;
4535 }
4536
4537 /*
4538 * Check for '|' to separate commands and '"' to start comments.
4539 */
4540 void
4541 separate_nextcmd(eap)
4542 exarg_T *eap;
4543 {
4544 char_u *p;
4545
4546 #ifdef FEAT_QUICKFIX
4547 p = skip_grep_pat(eap);
4548 #else
4549 p = eap->arg;
4550 #endif
4551
4552 for ( ; *p; mb_ptr_adv(p))
4553 {
4554 if (*p == Ctrl_V)
4555 {
4556 if (eap->argt & (USECTRLV | XFILE))
4557 ++p; /* skip CTRL-V and next char */
4558 else
4559 /* remove CTRL-V and skip next char */
4560 mch_memmove(p, p + 1, STRLEN(p));
4561 if (*p == NUL) /* stop at NUL after CTRL-V */
4562 break;
4563 }
4564
4565 #ifdef FEAT_EVAL
4566 /* Skip over `=expr` when wildcards are expanded. */
4567 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4568 {
4569 p += 2;
4570 (void)skip_expr(&p);
4571 }
4572 #endif
4573
4574 /* Check for '"': start of comment or '|': next command */
4575 /* :@" and :*" do not start a comment!
4576 * :redir @" doesn't either. */
4577 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4578 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4579 || p != eap->arg)
4580 && (eap->cmdidx != CMD_redir
4581 || p != eap->arg + 1 || p[-1] != '@'))
4582 || *p == '|' || *p == '\n')
4583 {
4584 /*
4585 * We remove the '\' before the '|', unless USECTRLV is used
4586 * AND 'b' is present in 'cpoptions'.
4587 */
4588 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4589 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4590 {
4591 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4592 --p;
4593 }
4594 else
4595 {
4596 eap->nextcmd = check_nextcmd(p);
4597 *p = NUL;
4598 break;
4599 }
4600 }
4601 }
4602
4603 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4604 del_trailing_spaces(eap->arg);
4605 }
4606
4607 /*
4608 * get + command from ex argument
4609 */
4610 static char_u *
4611 getargcmd(argp)
4612 char_u **argp;
4613 {
4614 char_u *arg = *argp;
4615 char_u *command = NULL;
4616
4617 if (*arg == '+') /* +[command] */
4618 {
4619 ++arg;
4620 if (vim_isspace(*arg))
4621 command = dollar_command;
4622 else
4623 {
4624 command = arg;
4625 arg = skip_cmd_arg(command, TRUE);
4626 if (*arg != NUL)
4627 *arg++ = NUL; /* terminate command with NUL */
4628 }
4629
4630 arg = skipwhite(arg); /* skip over spaces */
4631 *argp = arg;
4632 }
4633 return command;
4634 }
4635
4636 /*
4637 * Find end of "+command" argument. Skip over "\ " and "\\".
4638 */
4639 static char_u *
4640 skip_cmd_arg(p, rembs)
4641 char_u *p;
4642 int rembs; /* TRUE to halve the number of backslashes */
4643 {
4644 while (*p && !vim_isspace(*p))
4645 {
4646 if (*p == '\\' && p[1] != NUL)
4647 {
4648 if (rembs)
4649 mch_memmove(p, p + 1, STRLEN(p));
4650 else
4651 ++p;
4652 }
4653 mb_ptr_adv(p);
4654 }
4655 return p;
4656 }
4657
4658 /*
4659 * Get "++opt=arg" argument.
4660 * Return FAIL or OK.
4661 */
4662 static int
4663 getargopt(eap)
4664 exarg_T *eap;
4665 {
4666 char_u *arg = eap->arg + 2;
4667 int *pp = NULL;
4668 #ifdef FEAT_MBYTE
4669 char_u *p;
4670 #endif
4671
4672 /* ":edit ++[no]bin[ary] file" */
4673 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4674 {
4675 if (*arg == 'n')
4676 {
4677 arg += 2;
4678 eap->force_bin = FORCE_NOBIN;
4679 }
4680 else
4681 eap->force_bin = FORCE_BIN;
4682 if (!checkforcmd(&arg, "binary", 3))
4683 return FAIL;
4684 eap->arg = skipwhite(arg);
4685 return OK;
4686 }
4687
4688 /* ":read ++edit file" */
4689 if (STRNCMP(arg, "edit", 4) == 0)
4690 {
4691 eap->read_edit = TRUE;
4692 eap->arg = skipwhite(arg + 4);
4693 return OK;
4694 }
4695
4696 if (STRNCMP(arg, "ff", 2) == 0)
4697 {
4698 arg += 2;
4699 pp = &eap->force_ff;
4700 }
4701 else if (STRNCMP(arg, "fileformat", 10) == 0)
4702 {
4703 arg += 10;
4704 pp = &eap->force_ff;
4705 }
4706 #ifdef FEAT_MBYTE
4707 else if (STRNCMP(arg, "enc", 3) == 0)
4708 {
4709 arg += 3;
4710 pp = &eap->force_enc;
4711 }
4712 else if (STRNCMP(arg, "encoding", 8) == 0)
4713 {
4714 arg += 8;
4715 pp = &eap->force_enc;
4716 }
4717 else if (STRNCMP(arg, "bad", 3) == 0)
4718 {
4719 arg += 3;
4720 pp = &eap->bad_char;
4721 }
4722 #endif
4723
4724 if (pp == NULL || *arg != '=')
4725 return FAIL;
4726
4727 ++arg;
4728 *pp = (int)(arg - eap->cmd);
4729 arg = skip_cmd_arg(arg, FALSE);
4730 eap->arg = skipwhite(arg);
4731 *arg = NUL;
4732
4733 #ifdef FEAT_MBYTE
4734 if (pp == &eap->force_ff)
4735 {
4736 #endif
4737 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4738 return FAIL;
4739 #ifdef FEAT_MBYTE
4740 }
4741 else if (pp == &eap->force_enc)
4742 {
4743 /* Make 'fileencoding' lower case. */
4744 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4745 *p = TOLOWER_ASC(*p);
4746 }
4747 else
4748 {
4749 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4750 * "drop". */
4751 p = eap->cmd + eap->bad_char;
4752 if (STRICMP(p, "keep") == 0)
4753 eap->bad_char = BAD_KEEP;
4754 else if (STRICMP(p, "drop") == 0)
4755 eap->bad_char = BAD_DROP;
4756 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4757 eap->bad_char = *p;
4758 else
4759 return FAIL;
4760 }
4761 #endif
4762
4763 return OK;
4764 }
4765
4766 /*
4767 * ":abbreviate" and friends.
4768 */
4769 static void
4770 ex_abbreviate(eap)
4771 exarg_T *eap;
4772 {
4773 do_exmap(eap, TRUE); /* almost the same as mapping */
4774 }
4775
4776 /*
4777 * ":map" and friends.
4778 */
4779 static void
4780 ex_map(eap)
4781 exarg_T *eap;
4782 {
4783 /*
4784 * If we are sourcing .exrc or .vimrc in current directory we
4785 * print the mappings for security reasons.
4786 */
4787 if (secure)
4788 {
4789 secure = 2;
4790 msg_outtrans(eap->cmd);
4791 msg_putchar('\n');
4792 }
4793 do_exmap(eap, FALSE);
4794 }
4795
4796 /*
4797 * ":unmap" and friends.
4798 */
4799 static void
4800 ex_unmap(eap)
4801 exarg_T *eap;
4802 {
4803 do_exmap(eap, FALSE);
4804 }
4805
4806 /*
4807 * ":mapclear" and friends.
4808 */
4809 static void
4810 ex_mapclear(eap)
4811 exarg_T *eap;
4812 {
4813 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4814 }
4815
4816 /*
4817 * ":abclear" and friends.
4818 */
4819 static void
4820 ex_abclear(eap)
4821 exarg_T *eap;
4822 {
4823 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4824 }
4825
4826 #ifdef FEAT_AUTOCMD
4827 static void
4828 ex_autocmd(eap)
4829 exarg_T *eap;
4830 {
4831 /*
4832 * Disallow auto commands from .exrc and .vimrc in current
4833 * directory for security reasons.
4834 */
4835 if (secure)
4836 {
4837 secure = 2;
4838 eap->errmsg = e_curdir;
4839 }
4840 else if (eap->cmdidx == CMD_autocmd)
4841 do_autocmd(eap->arg, eap->forceit);
4842 else
4843 do_augroup(eap->arg, eap->forceit);
4844 }
4845
4846 /*
4847 * ":doautocmd": Apply the automatic commands to the current buffer.
4848 */
4849 static void
4850 ex_doautocmd(eap)
4851 exarg_T *eap;
4852 {
4853 (void)do_doautocmd(eap->arg, TRUE);
4854 do_modelines(0);
4855 }
4856 #endif
4857
4858 #ifdef FEAT_LISTCMDS
4859 /*
4860 * :[N]bunload[!] [N] [bufname] unload buffer
4861 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4862 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4863 */
4864 static void
4865 ex_bunload(eap)
4866 exarg_T *eap;
4867 {
4868 eap->errmsg = do_bufdel(
4869 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4870 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4871 : DOBUF_UNLOAD, eap->arg,
4872 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4873 }
4874
4875 /*
4876 * :[N]buffer [N] to buffer N
4877 * :[N]sbuffer [N] to buffer N
4878 */
4879 static void
4880 ex_buffer(eap)
4881 exarg_T *eap;
4882 {
4883 if (*eap->arg)
4884 eap->errmsg = e_trailing;
4885 else
4886 {
4887 if (eap->addr_count == 0) /* default is current buffer */
4888 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4889 else
4890 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4891 }
4892 }
4893
4894 /*
4895 * :[N]bmodified [N] to next mod. buffer
4896 * :[N]sbmodified [N] to next mod. buffer
4897 */
4898 static void
4899 ex_bmodified(eap)
4900 exarg_T *eap;
4901 {
4902 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4903 }
4904
4905 /*
4906 * :[N]bnext [N] to next buffer
4907 * :[N]sbnext [N] split and to next buffer
4908 */
4909 static void
4910 ex_bnext(eap)
4911 exarg_T *eap;
4912 {
4913 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4914 }
4915
4916 /*
4917 * :[N]bNext [N] to previous buffer
4918 * :[N]bprevious [N] to previous buffer
4919 * :[N]sbNext [N] split and to previous buffer
4920 * :[N]sbprevious [N] split and to previous buffer
4921 */
4922 static void
4923 ex_bprevious(eap)
4924 exarg_T *eap;
4925 {
4926 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4927 }
4928
4929 /*
4930 * :brewind to first buffer
4931 * :bfirst to first buffer
4932 * :sbrewind split and to first buffer
4933 * :sbfirst split and to first buffer
4934 */
4935 static void
4936 ex_brewind(eap)
4937 exarg_T *eap;
4938 {
4939 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4940 }
4941
4942 /*
4943 * :blast to last buffer
4944 * :sblast split and to last buffer
4945 */
4946 static void
4947 ex_blast(eap)
4948 exarg_T *eap;
4949 {
4950 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4951 }
4952 #endif
4953
4954 int
4955 ends_excmd(c)
4956 int c;
4957 {
4958 return (c == NUL || c == '|' || c == '"' || c == '\n');
4959 }
4960
4961 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4962 || defined(PROTO)
4963 /*
4964 * Return the next command, after the first '|' or '\n'.
4965 * Return NULL if not found.
4966 */
4967 char_u *
4968 find_nextcmd(p)
4969 char_u *p;
4970 {
4971 while (*p != '|' && *p != '\n')
4972 {
4973 if (*p == NUL)
4974 return NULL;
4975 ++p;
4976 }
4977 return (p + 1);
4978 }
4979 #endif
4980
4981 /*
4982 * Check if *p is a separator between Ex commands.
4983 * Return NULL if it isn't, (p + 1) if it is.
4984 */
4985 char_u *
4986 check_nextcmd(p)
4987 char_u *p;
4988 {
4989 p = skipwhite(p);
4990 if (*p == '|' || *p == '\n')
4991 return (p + 1);
4992 else
4993 return NULL;
4994 }
4995
4996 /*
4997 * - if there are more files to edit
4998 * - and this is the last window
4999 * - and forceit not used
5000 * - and not repeated twice on a row
5001 * return FAIL and give error message if 'message' TRUE
5002 * return OK otherwise
5003 */
5004 static int
5005 check_more(message, forceit)
5006 int message; /* when FALSE check only, no messages */
5007 int forceit;
5008 {
5009 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5010
5011 if (!forceit && only_one_window()
5012 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5013 {
5014 if (message)
5015 {
5016 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5017 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5018 {
5019 char_u buff[IOSIZE];
5020
5021 if (n == 1)
5022 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5023 else
5024 vim_snprintf((char *)buff, IOSIZE,
5025 _("%d more files to edit. Quit anyway?"), n);
5026 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5027 return OK;
5028 return FAIL;
5029 }
5030 #endif
5031 if (n == 1)
5032 EMSG(_("E173: 1 more file to edit"));
5033 else
5034 EMSGN(_("E173: %ld more files to edit"), n);
5035 quitmore = 2; /* next try to quit is allowed */
5036 }
5037 return FAIL;
5038 }
5039 return OK;
5040 }
5041
5042 #ifdef FEAT_CMDL_COMPL
5043 /*
5044 * Function given to ExpandGeneric() to obtain the list of command names.
5045 */
5046 /*ARGSUSED*/
5047 char_u *
5048 get_command_name(xp, idx)
5049 expand_T *xp;
5050 int idx;
5051 {
5052 if (idx >= (int)CMD_SIZE)
5053 # ifdef FEAT_USR_CMDS
5054 return get_user_command_name(idx);
5055 # else
5056 return NULL;
5057 # endif
5058 return cmdnames[idx].cmd_name;
5059 }
5060 #endif
5061
5062 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5063 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));
5064 static void uc_list __ARGS((char_u *name, size_t name_len));
5065 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5066 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5067 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));
5068
5069 static int
5070 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5071 char_u *name;
5072 size_t name_len;
5073 char_u *rep;
5074 long argt;
5075 long def;
5076 int flags;
5077 int compl;
5078 char_u *compl_arg;
5079 int force;
5080 {
5081 ucmd_T *cmd = NULL;
5082 char_u *p;
5083 int i;
5084 int cmp = 1;
5085 char_u *rep_buf = NULL;
5086 garray_T *gap;
5087
5088 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5089 if (rep_buf == NULL)
5090 {
5091 /* Can't replace termcodes - try using the string as is */
5092 rep_buf = vim_strsave(rep);
5093
5094 /* Give up if out of memory */
5095 if (rep_buf == NULL)
5096 return FAIL;
5097 }
5098
5099 /* get address of growarray: global or in curbuf */
5100 if (flags & UC_BUFFER)
5101 {
5102 gap = &curbuf->b_ucmds;
5103 if (gap->ga_itemsize == 0)
5104 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5105 }
5106 else
5107 gap = &ucmds;
5108
5109 /* Search for the command in the already defined commands. */
5110 for (i = 0; i < gap->ga_len; ++i)
5111 {
5112 size_t len;
5113
5114 cmd = USER_CMD_GA(gap, i);
5115 len = STRLEN(cmd->uc_name);
5116 cmp = STRNCMP(name, cmd->uc_name, name_len);
5117 if (cmp == 0)
5118 {
5119 if (name_len < len)
5120 cmp = -1;
5121 else if (name_len > len)
5122 cmp = 1;
5123 }
5124
5125 if (cmp == 0)
5126 {
5127 if (!force)
5128 {
5129 EMSG(_("E174: Command already exists: add ! to replace it"));
5130 goto fail;
5131 }
5132
5133 vim_free(cmd->uc_rep);
5134 cmd->uc_rep = 0;
5135 break;
5136 }
5137
5138 /* Stop as soon as we pass the name to add */
5139 if (cmp < 0)
5140 break;
5141 }
5142
5143 /* Extend the array unless we're replacing an existing command */
5144 if (cmp != 0)
5145 {
5146 if (ga_grow(gap, 1) != OK)
5147 goto fail;
5148 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5149 goto fail;
5150
5151 cmd = USER_CMD_GA(gap, i);
5152 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5153
5154 ++gap->ga_len;
5155
5156 cmd->uc_name = p;
5157 }
5158
5159 cmd->uc_rep = rep_buf;
5160 cmd->uc_argt = argt;
5161 cmd->uc_def = def;
5162 cmd->uc_compl = compl;
5163 #ifdef FEAT_EVAL
5164 cmd->uc_scriptID = current_SID;
5165 # ifdef FEAT_CMDL_COMPL
5166 cmd->uc_compl_arg = compl_arg;
5167 # endif
5168 #endif
5169
5170 return OK;
5171
5172 fail:
5173 vim_free(rep_buf);
5174 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5175 vim_free(compl_arg);
5176 #endif
5177 return FAIL;
5178 }
5179
5180 /*
5181 * List of names for completion for ":command" with the EXPAND_ flag.
5182 * Must be alphabetical for completion.
5183 */
5184 static struct
5185 {
5186 int expand;
5187 char *name;
5188 } command_complete[] =
5189 {
5190 {EXPAND_AUGROUP, "augroup"},
5191 {EXPAND_BUFFERS, "buffer"},
5192 {EXPAND_COMMANDS, "command"},
5193 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5194 {EXPAND_USER_DEFINED, "custom"},
5195 {EXPAND_USER_LIST, "customlist"},
5196 #endif
5197 {EXPAND_DIRECTORIES, "dir"},
5198 {EXPAND_ENV_VARS, "environment"},
5199 {EXPAND_EVENTS, "event"},
5200 {EXPAND_EXPRESSION, "expression"},
5201 {EXPAND_FILES, "file"},
5202 {EXPAND_FUNCTIONS, "function"},
5203 {EXPAND_HELP, "help"},
5204 {EXPAND_HIGHLIGHT, "highlight"},
5205 {EXPAND_MAPPINGS, "mapping"},
5206 {EXPAND_MENUS, "menu"},
5207 {EXPAND_SETTINGS, "option"},
5208 {EXPAND_SHELLCMD, "shellcmd"},
5209 {EXPAND_TAGS, "tag"},
5210 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5211 {EXPAND_USER_VARS, "var"},
5212 {0, NULL}
5213 };
5214
5215 static void
5216 uc_list(name, name_len)
5217 char_u *name;
5218 size_t name_len;
5219 {
5220 int i, j;
5221 int found = FALSE;
5222 ucmd_T *cmd;
5223 int len;
5224 long a;
5225 garray_T *gap;
5226
5227 gap = &curbuf->b_ucmds;
5228 for (;;)
5229 {
5230 for (i = 0; i < gap->ga_len; ++i)
5231 {
5232 cmd = USER_CMD_GA(gap, i);
5233 a = (long)cmd->uc_argt;
5234
5235 /* Skip commands which don't match the requested prefix */
5236 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5237 continue;
5238
5239 /* Put out the title first time */
5240 if (!found)
5241 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5242 found = TRUE;
5243 msg_putchar('\n');
5244 if (got_int)
5245 break;
5246
5247 /* Special cases */
5248 msg_putchar(a & BANG ? '!' : ' ');
5249 msg_putchar(a & REGSTR ? '"' : ' ');
5250 msg_putchar(gap != &ucmds ? 'b' : ' ');
5251 msg_putchar(' ');
5252
5253 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5254 len = (int)STRLEN(cmd->uc_name) + 4;
5255
5256 do {
5257 msg_putchar(' ');
5258 ++len;
5259 } while (len < 16);
5260
5261 len = 0;
5262
5263 /* Arguments */
5264 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5265 {
5266 case 0: IObuff[len++] = '0'; break;
5267 case (EXTRA): IObuff[len++] = '*'; break;
5268 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5269 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5270 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5271 }
5272
5273 do {
5274 IObuff[len++] = ' ';
5275 } while (len < 5);
5276
5277 /* Range */
5278 if (a & (RANGE|COUNT))
5279 {
5280 if (a & COUNT)
5281 {
5282 /* -count=N */
5283 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5284 len += (int)STRLEN(IObuff + len);
5285 }
5286 else if (a & DFLALL)
5287 IObuff[len++] = '%';
5288 else if (cmd->uc_def >= 0)
5289 {
5290 /* -range=N */
5291 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5292 len += (int)STRLEN(IObuff + len);
5293 }
5294 else
5295 IObuff[len++] = '.';
5296 }
5297
5298 do {
5299 IObuff[len++] = ' ';
5300 } while (len < 11);
5301
5302 /* Completion */
5303 for (j = 0; command_complete[j].expand != 0; ++j)
5304 if (command_complete[j].expand == cmd->uc_compl)
5305 {
5306 STRCPY(IObuff + len, command_complete[j].name);
5307 len += (int)STRLEN(IObuff + len);
5308 break;
5309 }
5310
5311 do {
5312 IObuff[len++] = ' ';
5313 } while (len < 21);
5314
5315 IObuff[len] = '\0';
5316 msg_outtrans(IObuff);
5317
5318 msg_outtrans_special(cmd->uc_rep, FALSE);
5319 #ifdef FEAT_EVAL
5320 if (p_verbose > 0)
5321 last_set_msg(cmd->uc_scriptID);
5322 #endif
5323 out_flush();
5324 ui_breakcheck();
5325 if (got_int)
5326 break;
5327 }
5328 if (gap == &ucmds || i < gap->ga_len)
5329 break;
5330 gap = &ucmds;
5331 }
5332
5333 if (!found)
5334 MSG(_("No user-defined commands found"));
5335 }
5336
5337 static char_u *
5338 uc_fun_cmd()
5339 {
5340 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5341 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5342 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5343 0xb9, 0x7f, 0};
5344 int i;
5345
5346 for (i = 0; fcmd[i]; ++i)
5347 IObuff[i] = fcmd[i] - 0x40;
5348 IObuff[i] = 0;
5349 return IObuff;
5350 }
5351
5352 static int
5353 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5354 char_u *attr;
5355 size_t len;
5356 long *argt;
5357 long *def;
5358 int *flags;
5359 int *compl;
5360 char_u **compl_arg;
5361 {
5362 char_u *p;
5363
5364 if (len == 0)
5365 {
5366 EMSG(_("E175: No attribute specified"));
5367 return FAIL;
5368 }
5369
5370 /* First, try the simple attributes (no arguments) */
5371 if (STRNICMP(attr, "bang", len) == 0)
5372 *argt |= BANG;
5373 else if (STRNICMP(attr, "buffer", len) == 0)
5374 *flags |= UC_BUFFER;
5375 else if (STRNICMP(attr, "register", len) == 0)
5376 *argt |= REGSTR;
5377 else if (STRNICMP(attr, "bar", len) == 0)
5378 *argt |= TRLBAR;
5379 else
5380 {
5381 int i;
5382 char_u *val = NULL;
5383 size_t vallen = 0;
5384 size_t attrlen = len;
5385
5386 /* Look for the attribute name - which is the part before any '=' */
5387 for (i = 0; i < (int)len; ++i)
5388 {
5389 if (attr[i] == '=')
5390 {
5391 val = &attr[i + 1];
5392 vallen = len - i - 1;
5393 attrlen = i;
5394 break;
5395 }
5396 }
5397
5398 if (STRNICMP(attr, "nargs", attrlen) == 0)
5399 {
5400 if (vallen == 1)
5401 {
5402 if (*val == '0')
5403 /* Do nothing - this is the default */;
5404 else if (*val == '1')
5405 *argt |= (EXTRA | NOSPC | NEEDARG);
5406 else if (*val == '*')
5407 *argt |= EXTRA;
5408 else if (*val == '?')
5409 *argt |= (EXTRA | NOSPC);
5410 else if (*val == '+')
5411 *argt |= (EXTRA | NEEDARG);
5412 else
5413 goto wrong_nargs;
5414 }
5415 else
5416 {
5417 wrong_nargs:
5418 EMSG(_("E176: Invalid number of arguments"));
5419 return FAIL;
5420 }
5421 }
5422 else if (STRNICMP(attr, "range", attrlen) == 0)
5423 {
5424 *argt |= RANGE;
5425 if (vallen == 1 && *val == '%')
5426 *argt |= DFLALL;
5427 else if (val != NULL)
5428 {
5429 p = val;
5430 if (*def >= 0)
5431 {
5432 two_count:
5433 EMSG(_("E177: Count cannot be specified twice"));
5434 return FAIL;
5435 }
5436
5437 *def = getdigits(&p);
5438 *argt |= (ZEROR | NOTADR);
5439
5440 if (p != val + vallen || vallen == 0)
5441 {
5442 invalid_count:
5443 EMSG(_("E178: Invalid default value for count"));
5444 return FAIL;
5445 }
5446 }
5447 }
5448 else if (STRNICMP(attr, "count", attrlen) == 0)
5449 {
5450 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5451
5452 if (val != NULL)
5453 {
5454 p = val;
5455 if (*def >= 0)
5456 goto two_count;
5457
5458 *def = getdigits(&p);
5459
5460 if (p != val + vallen)
5461 goto invalid_count;
5462 }
5463
5464 if (*def < 0)
5465 *def = 0;
5466 }
5467 else if (STRNICMP(attr, "complete", attrlen) == 0)
5468 {
5469 if (val == NULL)
5470 {
5471 EMSG(_("E179: argument required for -complete"));
5472 return FAIL;
5473 }
5474
5475 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5476 == FAIL)
5477 return FAIL;
5478 }
5479 else
5480 {
5481 char_u ch = attr[len];
5482 attr[len] = '\0';
5483 EMSG2(_("E181: Invalid attribute: %s"), attr);
5484 attr[len] = ch;
5485 return FAIL;
5486 }
5487 }
5488
5489 return OK;
5490 }
5491
5492 static void
5493 ex_command(eap)
5494 exarg_T *eap;
5495 {
5496 char_u *name;
5497 char_u *end;
5498 char_u *p;
5499 long argt = 0;
5500 long def = -1;
5501 int flags = 0;
5502 int compl = EXPAND_NOTHING;
5503 char_u *compl_arg = NULL;
5504 int has_attr = (eap->arg[0] == '-');
5505
5506 p = eap->arg;
5507
5508 /* Check for attributes */
5509 while (*p == '-')
5510 {
5511 ++p;
5512 end = skiptowhite(p);
5513 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5514 == FAIL)
5515 return;
5516 p = skipwhite(end);
5517 }
5518
5519 /* Get the name (if any) and skip to the following argument */
5520 name = p;
5521 if (ASCII_ISALPHA(*p))
5522 while (ASCII_ISALNUM(*p))
5523 ++p;
5524 if (!ends_excmd(*p) && !vim_iswhite(*p))
5525 {
5526 EMSG(_("E182: Invalid command name"));
5527 return;
5528 }
5529 end = p;
5530
5531 /* If there is nothing after the name, and no attributes were specified,
5532 * we are listing commands
5533 */
5534 p = skipwhite(end);
5535 if (!has_attr && ends_excmd(*p))
5536 {
5537 uc_list(name, end - name);
5538 }
5539 else if (!ASCII_ISUPPER(*name))
5540 {
5541 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5542 return;
5543 }
5544 else
5545 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5546 eap->forceit);
5547 }
5548
5549 /*
5550 * ":comclear"
5551 * Clear all user commands, global and for current buffer.
5552 */
5553 /*ARGSUSED*/
5554 void
5555 ex_comclear(eap)
5556 exarg_T *eap;
5557 {
5558 uc_clear(&ucmds);
5559 uc_clear(&curbuf->b_ucmds);
5560 }
5561
5562 /*
5563 * Clear all user commands for "gap".
5564 */
5565 void
5566 uc_clear(gap)
5567 garray_T *gap;
5568 {
5569 int i;
5570 ucmd_T *cmd;
5571
5572 for (i = 0; i < gap->ga_len; ++i)
5573 {
5574 cmd = USER_CMD_GA(gap, i);
5575 vim_free(cmd->uc_name);
5576 vim_free(cmd->uc_rep);
5577 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5578 vim_free(cmd->uc_compl_arg);
5579 # endif
5580 }
5581 ga_clear(gap);
5582 }
5583
5584 static void
5585 ex_delcommand(eap)
5586 exarg_T *eap;
5587 {
5588 int i = 0;
5589 ucmd_T *cmd = NULL;
5590 int cmp = -1;
5591 garray_T *gap;
5592
5593 gap = &curbuf->b_ucmds;
5594 for (;;)
5595 {
5596 for (i = 0; i < gap->ga_len; ++i)
5597 {
5598 cmd = USER_CMD_GA(gap, i);
5599 cmp = STRCMP(eap->arg, cmd->uc_name);
5600 if (cmp <= 0)
5601 break;
5602 }
5603 if (gap == &ucmds || cmp == 0)
5604 break;
5605 gap = &ucmds;
5606 }
5607
5608 if (cmp != 0)
5609 {
5610 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5611 return;
5612 }
5613
5614 vim_free(cmd->uc_name);
5615 vim_free(cmd->uc_rep);
5616 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5617 vim_free(cmd->uc_compl_arg);
5618 # endif
5619
5620 --gap->ga_len;
5621
5622 if (i < gap->ga_len)
5623 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5624 }
5625
5626 /*
5627 * split and quote args for <f-args>
5628 */
5629 static char_u *
5630 uc_split_args(arg, lenp)
5631 char_u *arg;
5632 size_t *lenp;
5633 {
5634 char_u *buf;
5635 char_u *p;
5636 char_u *q;
5637 int len;
5638
5639 /* Precalculate length */
5640 p = arg;
5641 len = 2; /* Initial and final quotes */
5642
5643 while (*p)
5644 {
5645 if (p[0] == '\\' && p[1] == '\\')
5646 {
5647 len += 2;
5648 p += 2;
5649 }
5650 else if (p[0] == '\\' && vim_iswhite(p[1]))
5651 {
5652 len += 1;
5653 p += 2;
5654 }
5655 else if (*p == '\\' || *p == '"')
5656 {
5657 len += 2;
5658 p += 1;
5659 }
5660 else if (vim_iswhite(*p))
5661 {
5662 p = skipwhite(p);
5663 if (*p == NUL)
5664 break;
5665 len += 3; /* "," */
5666 }
5667 else
5668 {
5669 ++len;
5670 ++p;
5671 }
5672 }
5673
5674 buf = alloc(len + 1);
5675 if (buf == NULL)
5676 {
5677 *lenp = 0;
5678 return buf;
5679 }
5680
5681 p = arg;
5682 q = buf;
5683 *q++ = '"';
5684 while (*p)
5685 {
5686 if (p[0] == '\\' && p[1] == '\\')
5687 {
5688 *q++ = '\\';
5689 *q++ = '\\';
5690 p += 2;
5691 }
5692 else if (p[0] == '\\' && vim_iswhite(p[1]))
5693 {
5694 *q++ = p[1];
5695 p += 2;
5696 }
5697 else if (*p == '\\' || *p == '"')
5698 {
5699 *q++ = '\\';
5700 *q++ = *p++;
5701 }
5702 else if (vim_iswhite(*p))
5703 {
5704 p = skipwhite(p);
5705 if (*p == NUL)
5706 break;
5707 *q++ = '"';
5708 *q++ = ',';
5709 *q++ = '"';
5710 }
5711 else
5712 {
5713 *q++ = *p++;
5714 }
5715 }
5716 *q++ = '"';
5717 *q = 0;
5718
5719 *lenp = len;
5720 return buf;
5721 }
5722
5723 /*
5724 * Check for a <> code in a user command.
5725 * "code" points to the '<'. "len" the length of the <> (inclusive).
5726 * "buf" is where the result is to be added.
5727 * "split_buf" points to a buffer used for splitting, caller should free it.
5728 * "split_len" is the length of what "split_buf" contains.
5729 * Returns the length of the replacement, which has been added to "buf".
5730 * Returns -1 if there was no match, and only the "<" has been copied.
5731 */
5732 static size_t
5733 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5734 char_u *code;
5735 size_t len;
5736 char_u *buf;
5737 ucmd_T *cmd; /* the user command we're expanding */
5738 exarg_T *eap; /* ex arguments */
5739 char_u **split_buf;
5740 size_t *split_len;
5741 {
5742 size_t result = 0;
5743 char_u *p = code + 1;
5744 size_t l = len - 2;
5745 int quote = 0;
5746 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5747 ct_LT, ct_NONE } type = ct_NONE;
5748
5749 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5750 {
5751 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5752 p += 2;
5753 l -= 2;
5754 }
5755
5756 ++l;
5757 if (l <= 1)
5758 type = ct_NONE;
5759 else if (STRNICMP(p, "args>", l) == 0)
5760 type = ct_ARGS;
5761 else if (STRNICMP(p, "bang>", l) == 0)
5762 type = ct_BANG;
5763 else if (STRNICMP(p, "count>", l) == 0)
5764 type = ct_COUNT;
5765 else if (STRNICMP(p, "line1>", l) == 0)
5766 type = ct_LINE1;
5767 else if (STRNICMP(p, "line2>", l) == 0)
5768 type = ct_LINE2;
5769 else if (STRNICMP(p, "lt>", l) == 0)
5770 type = ct_LT;
5771 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5772 type = ct_REGISTER;
5773
5774 switch (type)
5775 {
5776 case ct_ARGS:
5777 /* Simple case first */
5778 if (*eap->arg == NUL)
5779 {
5780 if (quote == 1)
5781 {
5782 result = 2;
5783 if (buf != NULL)
5784 STRCPY(buf, "''");
5785 }
5786 else
5787 result = 0;
5788 break;
5789 }
5790
5791 /* When specified there is a single argument don't split it.
5792 * Works for ":Cmd %" when % is "a b c". */
5793 if ((eap->argt & NOSPC) && quote == 2)
5794 quote = 1;
5795
5796 switch (quote)
5797 {
5798 case 0: /* No quoting, no splitting */
5799 result = STRLEN(eap->arg);
5800 if (buf != NULL)
5801 STRCPY(buf, eap->arg);
5802 break;
5803 case 1: /* Quote, but don't split */
5804 result = STRLEN(eap->arg) + 2;
5805 for (p = eap->arg; *p; ++p)
5806 {
5807 if (*p == '\\' || *p == '"')
5808 ++result;
5809 }
5810
5811 if (buf != NULL)
5812 {
5813 *buf++ = '"';
5814 for (p = eap->arg; *p; ++p)
5815 {
5816 if (*p == '\\' || *p == '"')
5817 *buf++ = '\\';
5818 *buf++ = *p;
5819 }
5820 *buf = '"';
5821 }
5822
5823 break;
5824 case 2: /* Quote and split (<f-args>) */
5825 /* This is hard, so only do it once, and cache the result */
5826 if (*split_buf == NULL)
5827 *split_buf = uc_split_args(eap->arg, split_len);
5828
5829 result = *split_len;
5830 if (buf != NULL && result != 0)
5831 STRCPY(buf, *split_buf);
5832
5833 break;
5834 }
5835 break;
5836
5837 case ct_BANG:
5838 result = eap->forceit ? 1 : 0;
5839 if (quote)
5840 result += 2;
5841 if (buf != NULL)
5842 {
5843 if (quote)
5844 *buf++ = '"';
5845 if (eap->forceit)
5846 *buf++ = '!';
5847 if (quote)
5848 *buf = '"';
5849 }
5850 break;
5851
5852 case ct_LINE1:
5853 case ct_LINE2:
5854 case ct_COUNT:
5855 {
5856 char num_buf[20];
5857 long num = (type == ct_LINE1) ? eap->line1 :
5858 (type == ct_LINE2) ? eap->line2 :
5859 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5860 size_t num_len;
5861
5862 sprintf(num_buf, "%ld", num);
5863 num_len = STRLEN(num_buf);
5864 result = num_len;
5865
5866 if (quote)
5867 result += 2;
5868
5869 if (buf != NULL)
5870 {
5871 if (quote)
5872 *buf++ = '"';
5873 STRCPY(buf, num_buf);
5874 buf += num_len;
5875 if (quote)
5876 *buf = '"';
5877 }
5878
5879 break;
5880 }
5881
5882 case ct_REGISTER:
5883 result = eap->regname ? 1 : 0;
5884 if (quote)
5885 result += 2;
5886 if (buf != NULL)
5887 {
5888 if (quote)
5889 *buf++ = '\'';
5890 if (eap->regname)
5891 *buf++ = eap->regname;
5892 if (quote)
5893 *buf = '\'';
5894 }
5895 break;
5896
5897 case ct_LT:
5898 result = 1;
5899 if (buf != NULL)
5900 *buf = '<';
5901 break;
5902
5903 default:
5904 /* Not recognized: just copy the '<' and return -1. */
5905 result = (size_t)-1;
5906 if (buf != NULL)
5907 *buf = '<';
5908 break;
5909 }
5910
5911 return result;
5912 }
5913
5914 static void
5915 do_ucmd(eap)
5916 exarg_T *eap;
5917 {
5918 char_u *buf;
5919 char_u *p;
5920 char_u *q;
5921
5922 char_u *start;
5923 char_u *end;
5924 size_t len, totlen;
5925
5926 size_t split_len = 0;
5927 char_u *split_buf = NULL;
5928 ucmd_T *cmd;
5929 #ifdef FEAT_EVAL
5930 scid_T save_current_SID = current_SID;
5931 #endif
5932
5933 if (eap->cmdidx == CMD_USER)
5934 cmd = USER_CMD(eap->useridx);
5935 else
5936 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5937
5938 /*
5939 * Replace <> in the command by the arguments.
5940 */
5941 buf = NULL;
5942 for (;;)
5943 {
5944 p = cmd->uc_rep;
5945 q = buf;
5946 totlen = 0;
5947 while ((start = vim_strchr(p, '<')) != NULL
5948 && (end = vim_strchr(start + 1, '>')) != NULL)
5949 {
5950 /* Include the '>' */
5951 ++end;
5952
5953 /* Take everything up to the '<' */
5954 len = start - p;
5955 if (buf == NULL)
5956 totlen += len;
5957 else
5958 {
5959 mch_memmove(q, p, len);
5960 q += len;
5961 }
5962
5963 len = uc_check_code(start, end - start, q, cmd, eap,
5964 &split_buf, &split_len);
5965 if (len == (size_t)-1)
5966 {
5967 /* no match, continue after '<' */
5968 p = start + 1;
5969 len = 1;
5970 }
5971 else
5972 p = end;
5973 if (buf == NULL)
5974 totlen += len;
5975 else
5976 q += len;
5977 }
5978 if (buf != NULL) /* second time here, finished */
5979 {
5980 STRCPY(q, p);
5981 break;
5982 }
5983
5984 totlen += STRLEN(p); /* Add on the trailing characters */
5985 buf = alloc((unsigned)(totlen + 1));
5986 if (buf == NULL)
5987 {
5988 vim_free(split_buf);
5989 return;
5990 }
5991 }
5992
5993 #ifdef FEAT_EVAL
5994 current_SID = cmd->uc_scriptID;
5995 #endif
5996 (void)do_cmdline(buf, eap->getline, eap->cookie,
5997 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5998 #ifdef FEAT_EVAL
5999 current_SID = save_current_SID;
6000 #endif
6001 vim_free(buf);
6002 vim_free(split_buf);
6003 }
6004
6005 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6006 static char_u *
6007 get_user_command_name(idx)
6008 int idx;
6009 {
6010 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6011 }
6012
6013 /*
6014 * Function given to ExpandGeneric() to obtain the list of user command names.
6015 */
6016 /*ARGSUSED*/
6017 char_u *
6018 get_user_commands(xp, idx)
6019 expand_T *xp;
6020 int idx;
6021 {
6022 if (idx < curbuf->b_ucmds.ga_len)
6023 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6024 idx -= curbuf->b_ucmds.ga_len;
6025 if (idx < ucmds.ga_len)
6026 return USER_CMD(idx)->uc_name;
6027 return NULL;
6028 }
6029
6030 /*
6031 * Function given to ExpandGeneric() to obtain the list of user command
6032 * attributes.
6033 */
6034 /*ARGSUSED*/
6035 char_u *
6036 get_user_cmd_flags(xp, idx)
6037 expand_T *xp;
6038 int idx;
6039 {
6040 static char *user_cmd_flags[] =
6041 {"bang", "bar", "buffer", "complete", "count",
6042 "nargs", "range", "register"};
6043
6044 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6045 return NULL;
6046 return (char_u *)user_cmd_flags[idx];
6047 }
6048
6049 /*
6050 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6051 */
6052 /*ARGSUSED*/
6053 char_u *
6054 get_user_cmd_nargs(xp, idx)
6055 expand_T *xp;
6056 int idx;
6057 {
6058 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6059
6060 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6061 return NULL;
6062 return (char_u *)user_cmd_nargs[idx];
6063 }
6064
6065 /*
6066 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6067 */
6068 /*ARGSUSED*/
6069 char_u *
6070 get_user_cmd_complete(xp, idx)
6071 expand_T *xp;
6072 int idx;
6073 {
6074 return (char_u *)command_complete[idx].name;
6075 }
6076 # endif /* FEAT_CMDL_COMPL */
6077
6078 #endif /* FEAT_USR_CMDS */
6079
6080 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6081 /*
6082 * Parse a completion argument "value[vallen]".
6083 * The detected completion goes in "*complp", argument type in "*argt".
6084 * When there is an argument, for function and user defined completion, it's
6085 * copied to allocated memory and stored in "*compl_arg".
6086 * Returns FAIL if something is wrong.
6087 */
6088 int
6089 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6090 char_u *value;
6091 int vallen;
6092 int *complp;
6093 long *argt;
6094 char_u **compl_arg;
6095 {
6096 char_u *arg = NULL;
6097 size_t arglen = 0;
6098 int i;
6099 int valend = vallen;
6100
6101 /* Look for any argument part - which is the part after any ',' */
6102 for (i = 0; i < vallen; ++i)
6103 {
6104 if (value[i] == ',')
6105 {
6106 arg = &value[i + 1];
6107 arglen = vallen - i - 1;
6108 valend = i;
6109 break;
6110 }
6111 }
6112
6113 for (i = 0; command_complete[i].expand != 0; ++i)
6114 {
6115 if ((int)STRLEN(command_complete[i].name) == valend
6116 && STRNCMP(value, command_complete[i].name, valend) == 0)
6117 {
6118 *complp = command_complete[i].expand;
6119 if (command_complete[i].expand == EXPAND_BUFFERS)
6120 *argt |= BUFNAME;
6121 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6122 || command_complete[i].expand == EXPAND_FILES)
6123 *argt |= XFILE;
6124 break;
6125 }
6126 }
6127
6128 if (command_complete[i].expand == 0)
6129 {
6130 EMSG2(_("E180: Invalid complete value: %s"), value);
6131 return FAIL;
6132 }
6133
6134 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6135 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6136 && arg != NULL)
6137 # else
6138 if (arg != NULL)
6139 # endif
6140 {
6141 EMSG(_("E468: Completion argument only allowed for custom completion"));
6142 return FAIL;
6143 }
6144
6145 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6146 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6147 && arg == NULL)
6148 {
6149 EMSG(_("E467: Custom completion requires a function argument"));
6150 return FAIL;
6151 }
6152
6153 if (arg != NULL)
6154 *compl_arg = vim_strnsave(arg, (int)arglen);
6155 # endif
6156 return OK;
6157 }
6158 #endif
6159
6160 static void
6161 ex_colorscheme(eap)
6162 exarg_T *eap;
6163 {
6164 if (load_colors(eap->arg) == FAIL)
6165 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6166 }
6167
6168 static void
6169 ex_highlight(eap)
6170 exarg_T *eap;
6171 {
6172 if (*eap->arg == NUL && eap->cmd[2] == '!')
6173 MSG(_("Greetings, Vim user!"));
6174 do_highlight(eap->arg, eap->forceit, FALSE);
6175 }
6176
6177
6178 /*
6179 * Call this function if we thought we were going to exit, but we won't
6180 * (because of an error). May need to restore the terminal mode.
6181 */
6182 void
6183 not_exiting()
6184 {
6185 exiting = FALSE;
6186 settmode(TMODE_RAW);
6187 }
6188
6189 /*
6190 * ":quit": quit current window, quit Vim if closed the last window.
6191 */
6192 static void
6193 ex_quit(eap)
6194 exarg_T *eap;
6195 {
6196 #ifdef FEAT_CMDWIN
6197 if (cmdwin_type != 0)
6198 {
6199 cmdwin_result = Ctrl_C;
6200 return;
6201 }
6202 #endif
6203 /* Don't quit while editing the command line. */
6204 if (text_locked())
6205 {
6206 text_locked_msg();
6207 return;
6208 }
6209 #ifdef FEAT_AUTOCMD
6210 if (curbuf_locked())
6211 return;
6212 #endif
6213
6214 #ifdef FEAT_NETBEANS_INTG
6215 netbeansForcedQuit = eap->forceit;
6216 #endif
6217
6218 /*
6219 * If there are more files or windows we won't exit.
6220 */
6221 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6222 exiting = TRUE;
6223 if ((!P_HID(curbuf)
6224 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6225 || check_more(TRUE, eap->forceit) == FAIL
6226 || (only_one_window() && check_changed_any(eap->forceit)))
6227 {
6228 not_exiting();
6229 }
6230 else
6231 {
6232 #ifdef FEAT_WINDOWS
6233 if (only_one_window()) /* quit last window */
6234 #endif
6235 getout(0);
6236 #ifdef FEAT_WINDOWS
6237 # ifdef FEAT_GUI
6238 need_mouse_correct = TRUE;
6239 # endif
6240 /* close window; may free buffer */
6241 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6242 #endif
6243 }
6244 }
6245
6246 /*
6247 * ":cquit".
6248 */
6249 /*ARGSUSED*/
6250 static void
6251 ex_cquit(eap)
6252 exarg_T *eap;
6253 {
6254 getout(1); /* this does not always pass on the exit code to the Manx
6255 compiler. why? */
6256 }
6257
6258 /*
6259 * ":qall": try to quit all windows
6260 */
6261 static void
6262 ex_quit_all(eap)
6263 exarg_T *eap;
6264 {
6265 # ifdef FEAT_CMDWIN
6266 if (cmdwin_type != 0)
6267 {
6268 if (eap->forceit)
6269 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6270 else
6271 cmdwin_result = K_XF2;
6272 return;
6273 }
6274 # endif
6275
6276 /* Don't quit while editing the command line. */
6277 if (text_locked())
6278 {
6279 text_locked_msg();
6280 return;
6281 }
6282 #ifdef FEAT_AUTOCMD
6283 if (curbuf_locked())
6284 return;
6285 #endif
6286
6287 exiting = TRUE;
6288 if (eap->forceit || !check_changed_any(FALSE))
6289 getout(0);
6290 not_exiting();
6291 }
6292
6293 #if defined(FEAT_WINDOWS) || defined(PROTO)
6294 /*
6295 * ":close": close current window, unless it is the last one
6296 */
6297 static void
6298 ex_close(eap)
6299 exarg_T *eap;
6300 {
6301 # ifdef FEAT_CMDWIN
6302 if (cmdwin_type != 0)
6303 cmdwin_result = K_IGNORE;
6304 else
6305 # endif
6306 if (!text_locked()
6307 #ifdef FEAT_AUTOCMD
6308 && !curbuf_locked()
6309 #endif
6310 )
6311 ex_win_close(eap->forceit, curwin, NULL);
6312 }
6313
6314 # ifdef FEAT_QUICKFIX
6315 /*
6316 * ":pclose": Close any preview window.
6317 */
6318 static void
6319 ex_pclose(eap)
6320 exarg_T *eap;
6321 {
6322 win_T *win;
6323
6324 for (win = firstwin; win != NULL; win = win->w_next)
6325 if (win->w_p_pvw)
6326 {
6327 ex_win_close(eap->forceit, win, NULL);
6328 break;
6329 }
6330 }
6331 # endif
6332
6333 /*
6334 * Close window "win" and take care of handling closing the last window for a
6335 * modified buffer.
6336 */
6337 static void
6338 ex_win_close(forceit, win, tp)
6339 int forceit;
6340 win_T *win;
6341 tabpage_T *tp; /* NULL or the tab page "win" is in */
6342 {
6343 int need_hide;
6344 buf_T *buf = win->w_buffer;
6345
6346 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6347 if (need_hide && !P_HID(buf) && !forceit)
6348 {
6349 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6350 if ((p_confirm || cmdmod.confirm) && p_write)
6351 {
6352 dialog_changed(buf, FALSE);
6353 if (buf_valid(buf) && bufIsChanged(buf))
6354 return;
6355 need_hide = FALSE;
6356 }
6357 else
6358 # endif
6359 {
6360 EMSG(_(e_nowrtmsg));
6361 return;
6362 }
6363 }
6364
6365 # ifdef FEAT_GUI
6366 need_mouse_correct = TRUE;
6367 # endif
6368
6369 /* free buffer when not hiding it or when it's a scratch buffer */
6370 if (tp == NULL)
6371 win_close(win, !need_hide && !P_HID(buf));
6372 else
6373 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6374 }
6375
6376 /*
6377 * ":tabclose": close current tab page, unless it is the last one.
6378 * ":tabclose N": close tab page N.
6379 */
6380 static void
6381 ex_tabclose(eap)
6382 exarg_T *eap;
6383 {
6384 tabpage_T *tp;
6385
6386 # ifdef FEAT_CMDWIN
6387 if (cmdwin_type != 0)
6388 cmdwin_result = K_IGNORE;
6389 else
6390 # endif
6391 if (first_tabpage->tp_next == NULL)
6392 EMSG(_("E784: Cannot close last tab page"));
6393 else
6394 {
6395 if (eap->addr_count > 0)
6396 {
6397 tp = find_tabpage((int)eap->line2);
6398 if (tp == NULL)
6399 {
6400 beep_flush();
6401 return;
6402 }
6403 if (tp != curtab)
6404 {
6405 tabpage_close_other(tp, eap->forceit);
6406 return;
6407 }
6408 }
6409 if (!text_locked()
6410 #ifdef FEAT_AUTOCMD
6411 && !curbuf_locked()
6412 #endif
6413 )
6414 tabpage_close(eap->forceit);
6415 }
6416 }
6417
6418 /*
6419 * ":tabonly": close all tab pages except the current one
6420 */
6421 static void
6422 ex_tabonly(eap)
6423 exarg_T *eap;
6424 {
6425 tabpage_T *tp;
6426 int done;
6427
6428 # ifdef FEAT_CMDWIN
6429 if (cmdwin_type != 0)
6430 cmdwin_result = K_IGNORE;
6431 else
6432 # endif
6433 if (first_tabpage->tp_next == NULL)
6434 MSG(_("Already only one tab page"));
6435 else
6436 {
6437 /* Repeat this up to a 1000 times, because autocommands may mess
6438 * up the lists. */
6439 for (done = 0; done < 1000; ++done)
6440 {
6441 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6442 if (tp->tp_topframe != topframe)
6443 {
6444 tabpage_close_other(tp, eap->forceit);
6445 /* if we failed to close it quit */
6446 if (valid_tabpage(tp))
6447 done = 1000;
6448 /* start over, "tp" is now invalid */
6449 break;
6450 }
6451 if (first_tabpage->tp_next == NULL)
6452 break;
6453 }
6454 }
6455 }
6456
6457 /*
6458 * Close the current tab page.
6459 */
6460 void
6461 tabpage_close(forceit)
6462 int forceit;
6463 {
6464 /* First close all the windows but the current one. If that worked then
6465 * close the last window in this tab, that will close it. */
6466 if (lastwin != firstwin)
6467 close_others(TRUE, forceit);
6468 if (lastwin == firstwin)
6469 ex_win_close(forceit, curwin, NULL);
6470 # ifdef FEAT_GUI
6471 need_mouse_correct = TRUE;
6472 # endif
6473 }
6474
6475 /*
6476 * Close tab page "tp", which is not the current tab page.
6477 * Note that autocommands may make "tp" invalid.
6478 * Also takes care of the tab pages line disappearing when closing the
6479 * last-but-one tab page.
6480 */
6481 void
6482 tabpage_close_other(tp, forceit)
6483 tabpage_T *tp;
6484 int forceit;
6485 {
6486 int done = 0;
6487 win_T *wp;
6488 int h = tabline_height();
6489
6490 /* Limit to 1000 windows, autocommands may add a window while we close
6491 * one. OK, so I'm paranoid... */
6492 while (++done < 1000)
6493 {
6494 wp = tp->tp_firstwin;
6495 ex_win_close(forceit, wp, tp);
6496
6497 /* Autocommands may delete the tab page under our fingers and we may
6498 * fail to close a window with a modified buffer. */
6499 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6500 break;
6501 }
6502
6503 redraw_tabline = TRUE;
6504 if (h != tabline_height())
6505 shell_new_rows();
6506 }
6507
6508 /*
6509 * ":only".
6510 */
6511 static void
6512 ex_only(eap)
6513 exarg_T *eap;
6514 {
6515 # ifdef FEAT_GUI
6516 need_mouse_correct = TRUE;
6517 # endif
6518 close_others(TRUE, eap->forceit);
6519 }
6520
6521 /*
6522 * ":all" and ":sall".
6523 * Also used for ":tab drop file ..." after setting the argument list.
6524 */
6525 void
6526 ex_all(eap)
6527 exarg_T *eap;
6528 {
6529 if (eap->addr_count == 0)
6530 eap->line2 = 9999;
6531 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6532 }
6533 #endif /* FEAT_WINDOWS */
6534
6535 static void
6536 ex_hide(eap)
6537 exarg_T *eap;
6538 {
6539 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6540 eap->errmsg = e_invarg;
6541 else
6542 {
6543 /* ":hide" or ":hide | cmd": hide current window */
6544 eap->nextcmd = check_nextcmd(eap->arg);
6545 #ifdef FEAT_WINDOWS
6546 if (!eap->skip)
6547 {
6548 # ifdef FEAT_GUI
6549 need_mouse_correct = TRUE;
6550 # endif
6551 win_close(curwin, FALSE); /* don't free buffer */
6552 }
6553 #endif
6554 }
6555 }
6556
6557 /*
6558 * ":stop" and ":suspend": Suspend Vim.
6559 */
6560 static void
6561 ex_stop(eap)
6562 exarg_T *eap;
6563 {
6564 /*
6565 * Disallow suspending for "rvim".
6566 */
6567 if (!check_restricted()
6568 #ifdef WIN3264
6569 /*
6570 * Check if external commands are allowed now.
6571 */
6572 && can_end_termcap_mode(TRUE)
6573 #endif
6574 )
6575 {
6576 if (!eap->forceit)
6577 autowrite_all();
6578 windgoto((int)Rows - 1, 0);
6579 out_char('\n');
6580 out_flush();
6581 stoptermcap();
6582 out_flush(); /* needed for SUN to restore xterm buffer */
6583 #ifdef FEAT_TITLE
6584 mch_restore_title(3); /* restore window titles */
6585 #endif
6586 ui_suspend(); /* call machine specific function */
6587 #ifdef FEAT_TITLE
6588 maketitle();
6589 resettitle(); /* force updating the title */
6590 #endif
6591 starttermcap();
6592 scroll_start(); /* scroll screen before redrawing */
6593 redraw_later_clear();
6594 shell_resized(); /* may have resized window */
6595 }
6596 }
6597
6598 /*
6599 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6600 */
6601 static void
6602 ex_exit(eap)
6603 exarg_T *eap;
6604 {
6605 #ifdef FEAT_CMDWIN
6606 if (cmdwin_type != 0)
6607 {
6608 cmdwin_result = Ctrl_C;
6609 return;
6610 }
6611 #endif
6612 /* Don't quit while editing the command line. */
6613 if (text_locked())
6614 {
6615 text_locked_msg();
6616 return;
6617 }
6618 #ifdef FEAT_AUTOCMD
6619 if (curbuf_locked())
6620 return;
6621 #endif
6622
6623 /*
6624 * if more files or windows we won't exit
6625 */
6626 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6627 exiting = TRUE;
6628 if ( ((eap->cmdidx == CMD_wq
6629 || curbufIsChanged())
6630 && do_write(eap) == FAIL)
6631 || check_more(TRUE, eap->forceit) == FAIL
6632 || (only_one_window() && check_changed_any(eap->forceit)))
6633 {
6634 not_exiting();
6635 }
6636 else
6637 {
6638 #ifdef FEAT_WINDOWS
6639 if (only_one_window()) /* quit last window, exit Vim */
6640 #endif
6641 getout(0);
6642 #ifdef FEAT_WINDOWS
6643 # ifdef FEAT_GUI
6644 need_mouse_correct = TRUE;
6645 # endif
6646 /* quit current window, may free buffer */
6647 win_close(curwin, !P_HID(curwin->w_buffer));
6648 #endif
6649 }
6650 }
6651
6652 /*
6653 * ":print", ":list", ":number".
6654 */
6655 static void
6656 ex_print(eap)
6657 exarg_T *eap;
6658 {
6659 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6660 EMSG(_(e_emptybuf));
6661 else
6662 {
6663 for ( ;!got_int; ui_breakcheck())
6664 {
6665 print_line(eap->line1,
6666 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6667 || (eap->flags & EXFLAG_NR)),
6668 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6669 if (++eap->line1 > eap->line2)
6670 break;
6671 out_flush(); /* show one line at a time */
6672 }
6673 setpcmark();
6674 /* put cursor at last line */
6675 curwin->w_cursor.lnum = eap->line2;
6676 beginline(BL_SOL | BL_FIX);
6677 }
6678
6679 ex_no_reprint = TRUE;
6680 }
6681
6682 #ifdef FEAT_BYTEOFF
6683 static void
6684 ex_goto(eap)
6685 exarg_T *eap;
6686 {
6687 goto_byte(eap->line2);
6688 }
6689 #endif
6690
6691 /*
6692 * ":shell".
6693 */
6694 /*ARGSUSED*/
6695 static void
6696 ex_shell(eap)
6697 exarg_T *eap;
6698 {
6699 do_shell(NULL, 0);
6700 }
6701
6702 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6703 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6704 || defined(FEAT_GUI_MSWIN) \
6705 || defined(FEAT_GUI_MAC) \
6706 || defined(PROTO) \
6707 || defined(FEAT_GUI_MACVIM)
6708
6709 /*
6710 * Handle a file drop. The code is here because a drop is *nearly* like an
6711 * :args command, but not quite (we have a list of exact filenames, so we
6712 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6713 * code is very similar to :args and hence needs access to a lot of the static
6714 * functions in this file.
6715 *
6716 * The list should be allocated using alloc(), as should each item in the
6717 * list. This function takes over responsibility for freeing the list.
6718 *
6719 * XXX The list is made into the argument list. This is freed using
6720 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6721 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6722 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6723 * file functionality is (currently) not in EMX this is not presently a
6724 * problem.
6725 */
6726 void
6727 handle_drop(filec, filev, split)
6728 int filec; /* the number of files dropped */
6729 char_u **filev; /* the list of files dropped */
6730 int split; /* force splitting the window */
6731 {
6732 exarg_T ea;
6733 int save_msg_scroll = msg_scroll;
6734
6735 /* Postpone this while editing the command line. */
6736 if (text_locked())
6737 return;
6738 #ifdef FEAT_AUTOCMD
6739 if (curbuf_locked())
6740 return;
6741 #endif
6742
6743 /* Check whether the current buffer is changed. If so, we will need
6744 * to split the current window or data could be lost.
6745 * We don't need to check if the 'hidden' option is set, as in this
6746 * case the buffer won't be lost.
6747 */
6748 if (!P_HID(curbuf) && !split)
6749 {
6750 ++emsg_off;
6751 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6752 --emsg_off;
6753 }
6754 if (split)
6755 {
6756 # ifdef FEAT_WINDOWS
6757 if (win_split(0, 0) == FAIL)
6758 return;
6759 # ifdef FEAT_SCROLLBIND
6760 curwin->w_p_scb = FALSE;
6761 # endif
6762
6763 /* When splitting the window, create a new alist. Otherwise the
6764 * existing one is overwritten. */
6765 alist_unlink(curwin->w_alist);
6766 alist_new();
6767 # else
6768 return; /* can't split, always fail */
6769 # endif
6770 }
6771
6772 /*
6773 * Set up the new argument list.
6774 */
6775 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6776
6777 /*
6778 * Move to the first file.
6779 */
6780 /* Fake up a minimal "next" command for do_argfile() */
6781 vim_memset(&ea, 0, sizeof(ea));
6782 ea.cmd = (char_u *)"next";
6783 do_argfile(&ea, 0);
6784
6785 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6786 * mode that is not needed here. */
6787 need_start_insertmode = FALSE;
6788
6789 /* Restore msg_scroll, otherwise a following command may cause scrolling
6790 * unexpectedly. The screen will be redrawn by the caller, thus
6791 * msg_scroll being set by displaying a message is irrelevant. */
6792 msg_scroll = save_msg_scroll;
6793 }
6794 #endif
6795
6796 /*
6797 * Clear an argument list: free all file names and reset it to zero entries.
6798 */
6799 void
6800 alist_clear(al)
6801 alist_T *al;
6802 {
6803 while (--al->al_ga.ga_len >= 0)
6804 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6805 ga_clear(&al->al_ga);
6806 }
6807
6808 /*
6809 * Init an argument list.
6810 */
6811 void
6812 alist_init(al)
6813 alist_T *al;
6814 {
6815 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6816 }
6817
6818 #if defined(FEAT_WINDOWS) || defined(PROTO)
6819
6820 /*
6821 * Remove a reference from an argument list.
6822 * Ignored when the argument list is the global one.
6823 * If the argument list is no longer used by any window, free it.
6824 */
6825 void
6826 alist_unlink(al)
6827 alist_T *al;
6828 {
6829 if (al != &global_alist && --al->al_refcount <= 0)
6830 {
6831 alist_clear(al);
6832 vim_free(al);
6833 }
6834 }
6835
6836 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6837 /*
6838 * Create a new argument list and use it for the current window.
6839 */
6840 void
6841 alist_new()
6842 {
6843 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6844 if (curwin->w_alist == NULL)
6845 {
6846 curwin->w_alist = &global_alist;
6847 ++global_alist.al_refcount;
6848 }
6849 else
6850 {
6851 curwin->w_alist->al_refcount = 1;
6852 alist_init(curwin->w_alist);
6853 }
6854 }
6855 # endif
6856 #endif
6857
6858 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6859 /*
6860 * Expand the file names in the global argument list.
6861 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6862 * numbers to be re-used.
6863 */
6864 void
6865 alist_expand(fnum_list, fnum_len)
6866 int *fnum_list;
6867 int fnum_len;
6868 {
6869 char_u **old_arg_files;
6870 int old_arg_count;
6871 char_u **new_arg_files;
6872 int new_arg_file_count;
6873 char_u *save_p_su = p_su;
6874 int i;
6875
6876 /* Don't use 'suffixes' here. This should work like the shell did the
6877 * expansion. Also, the vimrc file isn't read yet, thus the user
6878 * can't set the options. */
6879 p_su = empty_option;
6880 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6881 if (old_arg_files != NULL)
6882 {
6883 for (i = 0; i < GARGCOUNT; ++i)
6884 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6885 old_arg_count = GARGCOUNT;
6886 if (expand_wildcards(old_arg_count, old_arg_files,
6887 &new_arg_file_count, &new_arg_files,
6888 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6889 && new_arg_file_count > 0)
6890 {
6891 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6892 TRUE, fnum_list, fnum_len);
6893 FreeWild(old_arg_count, old_arg_files);
6894 }
6895 }
6896 p_su = save_p_su;
6897 }
6898 #endif
6899
6900 /*
6901 * Set the argument list for the current window.
6902 * Takes over the allocated files[] and the allocated fnames in it.
6903 */
6904 void
6905 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6906 alist_T *al;
6907 int count;
6908 char_u **files;
6909 int use_curbuf;
6910 int *fnum_list;
6911 int fnum_len;
6912 {
6913 int i;
6914
6915 alist_clear(al);
6916 if (ga_grow(&al->al_ga, count) == OK)
6917 {
6918 for (i = 0; i < count; ++i)
6919 {
6920 if (got_int)
6921 {
6922 /* When adding many buffers this can take a long time. Allow
6923 * interrupting here. */
6924 while (i < count)
6925 vim_free(files[i++]);
6926 break;
6927 }
6928
6929 /* May set buffer name of a buffer previously used for the
6930 * argument list, so that it's re-used by alist_add. */
6931 if (fnum_list != NULL && i < fnum_len)
6932 buf_set_name(fnum_list[i], files[i]);
6933
6934 alist_add(al, files[i], use_curbuf ? 2 : 1);
6935 ui_breakcheck();
6936 }
6937 vim_free(files);
6938 }
6939 else
6940 FreeWild(count, files);
6941 #ifdef FEAT_WINDOWS
6942 if (al == &global_alist)
6943 #endif
6944 arg_had_last = FALSE;
6945 }
6946
6947 /*
6948 * Add file "fname" to argument list "al".
6949 * "fname" must have been allocated and "al" must have been checked for room.
6950 */
6951 void
6952 alist_add(al, fname, set_fnum)
6953 alist_T *al;
6954 char_u *fname;
6955 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6956 {
6957 if (fname == NULL) /* don't add NULL file names */
6958 return;
6959 #ifdef BACKSLASH_IN_FILENAME
6960 slash_adjust(fname);
6961 #endif
6962 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6963 if (set_fnum > 0)
6964 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6965 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6966 ++al->al_ga.ga_len;
6967 }
6968
6969 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6970 /*
6971 * Adjust slashes in file names. Called after 'shellslash' was set.
6972 */
6973 void
6974 alist_slash_adjust()
6975 {
6976 int i;
6977 # ifdef FEAT_WINDOWS
6978 win_T *wp;
6979 tabpage_T *tp;
6980 # endif
6981
6982 for (i = 0; i < GARGCOUNT; ++i)
6983 if (GARGLIST[i].ae_fname != NULL)
6984 slash_adjust(GARGLIST[i].ae_fname);
6985 # ifdef FEAT_WINDOWS
6986 FOR_ALL_TAB_WINDOWS(tp, wp)
6987 if (wp->w_alist != &global_alist)
6988 for (i = 0; i < WARGCOUNT(wp); ++i)
6989 if (WARGLIST(wp)[i].ae_fname != NULL)
6990 slash_adjust(WARGLIST(wp)[i].ae_fname);
6991 # endif
6992 }
6993 #endif
6994
6995 /*
6996 * ":preserve".
6997 */
6998 /*ARGSUSED*/
6999 static void
7000 ex_preserve(eap)
7001 exarg_T *eap;
7002 {
7003 curbuf->b_flags |= BF_PRESERVED;
7004 ml_preserve(curbuf, TRUE);
7005 }
7006
7007 /*
7008 * ":recover".
7009 */
7010 static void
7011 ex_recover(eap)
7012 exarg_T *eap;
7013 {
7014 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7015 recoverymode = TRUE;
7016 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7017 && (*eap->arg == NUL
7018 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7019 ml_recover();
7020 recoverymode = FALSE;
7021 }
7022
7023 /*
7024 * Command modifier used in a wrong way.
7025 */
7026 static void
7027 ex_wrongmodifier(eap)
7028 exarg_T *eap;
7029 {
7030 eap->errmsg = e_invcmd;
7031 }
7032
7033 #ifdef FEAT_WINDOWS
7034 /*
7035 * :sview [+command] file split window with new file, read-only
7036 * :split [[+command] file] split window with current or new file
7037 * :vsplit [[+command] file] split window vertically with current or new file
7038 * :new [[+command] file] split window with no or new file
7039 * :vnew [[+command] file] split vertically window with no or new file
7040 * :sfind [+command] file split window with file in 'path'
7041 *
7042 * :tabedit open new Tab page with empty window
7043 * :tabedit [+command] file open new Tab page and edit "file"
7044 * :tabnew [[+command] file] just like :tabedit
7045 * :tabfind [+command] file open new Tab page and find "file"
7046 */
7047 void
7048 ex_splitview(eap)
7049 exarg_T *eap;
7050 {
7051 win_T *old_curwin = curwin;
7052 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7053 char_u *fname = NULL;
7054 # endif
7055 # ifdef FEAT_BROWSE
7056 int browse_flag = cmdmod.browse;
7057 # endif
7058
7059 # ifndef FEAT_VERTSPLIT
7060 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7061 {
7062 ex_ni(eap);
7063 return;
7064 }
7065 # endif
7066
7067 # ifdef FEAT_GUI
7068 need_mouse_correct = TRUE;
7069 # endif
7070
7071 # ifdef FEAT_QUICKFIX
7072 /* A ":split" in the quickfix window works like ":new". Don't want two
7073 * quickfix windows. */
7074 if (bt_quickfix(curbuf))
7075 {
7076 if (eap->cmdidx == CMD_split)
7077 eap->cmdidx = CMD_new;
7078 # ifdef FEAT_VERTSPLIT
7079 if (eap->cmdidx == CMD_vsplit)
7080 eap->cmdidx = CMD_vnew;
7081 # endif
7082 }
7083 # endif
7084
7085 # ifdef FEAT_SEARCHPATH
7086 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7087 {
7088 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7089 FNAME_MESS, TRUE, curbuf->b_ffname);
7090 if (fname == NULL)
7091 goto theend;
7092 eap->arg = fname;
7093 }
7094 # ifdef FEAT_BROWSE
7095 else
7096 # endif
7097 # endif
7098 # ifdef FEAT_BROWSE
7099 if (cmdmod.browse
7100 # ifdef FEAT_VERTSPLIT
7101 && eap->cmdidx != CMD_vnew
7102 # endif
7103 && eap->cmdidx != CMD_new)
7104 {
7105 if (
7106 # ifdef FEAT_GUI
7107 !gui.in_use &&
7108 # endif
7109 au_has_group((char_u *)"FileExplorer"))
7110 {
7111 /* No browsing supported but we do have the file explorer:
7112 * Edit the directory. */
7113 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7114 eap->arg = (char_u *)".";
7115 }
7116 else
7117 {
7118 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7119 eap->arg, NULL, NULL, NULL, curbuf);
7120 if (fname == NULL)
7121 goto theend;
7122 eap->arg = fname;
7123 }
7124 }
7125 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7126 # endif
7127
7128 /*
7129 * Either open new tab page or split the window.
7130 */
7131 if (eap->cmdidx == CMD_tabedit
7132 || eap->cmdidx == CMD_tabfind
7133 || eap->cmdidx == CMD_tabnew)
7134 {
7135 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7136 : eap->addr_count == 0 ? 0
7137 : (int)eap->line2 + 1) != FAIL)
7138 {
7139 do_exedit(eap, NULL);
7140
7141 /* set the alternate buffer for the window we came from */
7142 if (curwin != old_curwin
7143 && win_valid(old_curwin)
7144 && old_curwin->w_buffer != curbuf
7145 && !cmdmod.keepalt)
7146 old_curwin->w_alt_fnum = curbuf->b_fnum;
7147 }
7148 }
7149 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7150 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7151 {
7152 # ifdef FEAT_SCROLLBIND
7153 /* Reset 'scrollbind' when editing another file, but keep it when
7154 * doing ":split" without arguments. */
7155 if (*eap->arg != NUL
7156 # ifdef FEAT_BROWSE
7157 || cmdmod.browse
7158 # endif
7159 )
7160 curwin->w_p_scb = FALSE;
7161 else
7162 do_check_scrollbind(FALSE);
7163 # endif
7164 do_exedit(eap, old_curwin);
7165 }
7166
7167 # ifdef FEAT_BROWSE
7168 cmdmod.browse = browse_flag;
7169 # endif
7170
7171 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7172 theend:
7173 vim_free(fname);
7174 # endif
7175 }
7176
7177 #if defined(FEAT_MOUSE) || defined(PROTO)
7178 /*
7179 * Open a new tab page.
7180 */
7181 void
7182 tabpage_new()
7183 {
7184 exarg_T ea;
7185
7186 vim_memset(&ea, 0, sizeof(ea));
7187 ea.cmdidx = CMD_tabnew;
7188 ea.cmd = (char_u *)"tabn";
7189 ea.arg = (char_u *)"";
7190 ex_splitview(&ea);
7191 }
7192 #endif
7193
7194 /*
7195 * :tabnext command
7196 */
7197 static void
7198 ex_tabnext(eap)
7199 exarg_T *eap;
7200 {
7201 switch (eap->cmdidx)
7202 {
7203 case CMD_tabfirst:
7204 case CMD_tabrewind:
7205 goto_tabpage(1);
7206 break;
7207 case CMD_tablast:
7208 goto_tabpage(9999);
7209 break;
7210 case CMD_tabprevious:
7211 case CMD_tabNext:
7212 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7213 break;
7214 default: /* CMD_tabnext */
7215 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7216 break;
7217 }
7218 }
7219
7220 /*
7221 * :tabmove command
7222 */
7223 static void
7224 ex_tabmove(eap)
7225 exarg_T *eap;
7226 {
7227 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7228 }
7229
7230 /*
7231 * :tabs command: List tabs and their contents.
7232 */
7233 /*ARGSUSED*/
7234 static void
7235 ex_tabs(eap)
7236 exarg_T *eap;
7237 {
7238 tabpage_T *tp;
7239 win_T *wp;
7240 int tabcount = 1;
7241
7242 msg_start();
7243 msg_scroll = TRUE;
7244 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7245 {
7246 msg_putchar('\n');
7247 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7248 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7249 out_flush(); /* output one line at a time */
7250 ui_breakcheck();
7251
7252 if (tp == curtab)
7253 wp = firstwin;
7254 else
7255 wp = tp->tp_firstwin;
7256 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7257 {
7258 msg_putchar('\n');
7259 msg_putchar(wp == curwin ? '>' : ' ');
7260 msg_putchar(' ');
7261 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7262 msg_putchar(' ');
7263 if (buf_spname(wp->w_buffer) != NULL)
7264 STRCPY(IObuff, buf_spname(wp->w_buffer));
7265 else
7266 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7267 IObuff, IOSIZE, TRUE);
7268 msg_outtrans(IObuff);
7269 out_flush(); /* output one line at a time */
7270 ui_breakcheck();
7271 }
7272 }
7273 }
7274
7275 #endif /* FEAT_WINDOWS */
7276
7277 /*
7278 * ":mode": Set screen mode.
7279 * If no argument given, just get the screen size and redraw.
7280 */
7281 static void
7282 ex_mode(eap)
7283 exarg_T *eap;
7284 {
7285 if (*eap->arg == NUL)
7286 shell_resized();
7287 else
7288 mch_screenmode(eap->arg);
7289 }
7290
7291 #ifdef FEAT_WINDOWS
7292 /*
7293 * ":resize".
7294 * set, increment or decrement current window height
7295 */
7296 static void
7297 ex_resize(eap)
7298 exarg_T *eap;
7299 {
7300 int n;
7301 win_T *wp = curwin;
7302
7303 if (eap->addr_count > 0)
7304 {
7305 n = eap->line2;
7306 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7307 ;
7308 }
7309
7310 #ifdef FEAT_GUI
7311 need_mouse_correct = TRUE;
7312 #endif
7313 n = atol((char *)eap->arg);
7314 #ifdef FEAT_VERTSPLIT
7315 if (cmdmod.split & WSP_VERT)
7316 {
7317 if (*eap->arg == '-' || *eap->arg == '+')
7318 n += W_WIDTH(curwin);
7319 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7320 n = 9999;
7321 win_setwidth_win((int)n, wp);
7322 }
7323 else
7324 #endif
7325 {
7326 if (*eap->arg == '-' || *eap->arg == '+')
7327 n += curwin->w_height;
7328 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7329 n = 9999;
7330 win_setheight_win((int)n, wp);
7331 }
7332 }
7333 #endif
7334
7335 /*
7336 * ":find [+command] <file>" command.
7337 */
7338 static void
7339 ex_find(eap)
7340 exarg_T *eap;
7341 {
7342 #ifdef FEAT_SEARCHPATH
7343 char_u *fname;
7344 int count;
7345
7346 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7347 TRUE, curbuf->b_ffname);
7348 if (eap->addr_count > 0)
7349 {
7350 /* Repeat finding the file "count" times. This matters when it
7351 * appears several times in the path. */
7352 count = eap->line2;
7353 while (fname != NULL && --count > 0)
7354 {
7355 vim_free(fname);
7356 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7357 FALSE, curbuf->b_ffname);
7358 }
7359 }
7360
7361 if (fname != NULL)
7362 {
7363 eap->arg = fname;
7364 #endif
7365 do_exedit(eap, NULL);
7366 #ifdef FEAT_SEARCHPATH
7367 vim_free(fname);
7368 }
7369 #endif
7370 }
7371
7372 /*
7373 * ":open" simulation: for now just work like ":visual".
7374 */
7375 static void
7376 ex_open(eap)
7377 exarg_T *eap;
7378 {
7379 regmatch_T regmatch;
7380 char_u *p;
7381
7382 curwin->w_cursor.lnum = eap->line2;
7383 beginline(BL_SOL | BL_FIX);
7384 if (*eap->arg == '/')
7385 {
7386 /* ":open /pattern/": put cursor in column found with pattern */
7387 ++eap->arg;
7388 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7389 *p = NUL;
7390 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7391 if (regmatch.regprog != NULL)
7392 {
7393 regmatch.rm_ic = p_ic;
7394 p = ml_get_curline();
7395 if (vim_regexec(&regmatch, p, (colnr_T)0))
7396 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7397 else
7398 EMSG(_(e_nomatch));
7399 vim_free(regmatch.regprog);
7400 }
7401 /* Move to the NUL, ignore any other arguments. */
7402 eap->arg += STRLEN(eap->arg);
7403 }
7404 check_cursor();
7405
7406 eap->cmdidx = CMD_visual;
7407 do_exedit(eap, NULL);
7408 }
7409
7410 /*
7411 * ":edit", ":badd", ":visual".
7412 */
7413 static void
7414 ex_edit(eap)
7415 exarg_T *eap;
7416 {
7417 do_exedit(eap, NULL);
7418 }
7419
7420 /*
7421 * ":edit <file>" command and alikes.
7422 */
7423 /*ARGSUSED*/
7424 void
7425 do_exedit(eap, old_curwin)
7426 exarg_T *eap;
7427 win_T *old_curwin; /* curwin before doing a split or NULL */
7428 {
7429 int n;
7430 #ifdef FEAT_WINDOWS
7431 int need_hide;
7432 #endif
7433 int exmode_was = exmode_active;
7434
7435 /*
7436 * ":vi" command ends Ex mode.
7437 */
7438 if (exmode_active && (eap->cmdidx == CMD_visual
7439 || eap->cmdidx == CMD_view))
7440 {
7441 exmode_active = FALSE;
7442 if (*eap->arg == NUL)
7443 {
7444 /* Special case: ":global/pat/visual\NLvi-commands" */
7445 if (global_busy)
7446 {
7447 int rd = RedrawingDisabled;
7448 int nwr = no_wait_return;
7449 int ms = msg_scroll;
7450 #ifdef FEAT_GUI
7451 int he = hold_gui_events;
7452 #endif
7453
7454 if (eap->nextcmd != NULL)
7455 {
7456 stuffReadbuff(eap->nextcmd);
7457 eap->nextcmd = NULL;
7458 }
7459
7460 if (exmode_was != EXMODE_VIM)
7461 settmode(TMODE_RAW);
7462 RedrawingDisabled = 0;
7463 no_wait_return = 0;
7464 need_wait_return = FALSE;
7465 msg_scroll = 0;
7466 #ifdef FEAT_GUI
7467 hold_gui_events = 0;
7468 #endif
7469 must_redraw = CLEAR;
7470
7471 main_loop(FALSE, TRUE);
7472
7473 RedrawingDisabled = rd;
7474 no_wait_return = nwr;
7475 msg_scroll = ms;
7476 #ifdef FEAT_GUI
7477 hold_gui_events = he;
7478 #endif
7479 }
7480 return;
7481 }
7482 }
7483
7484 if ((eap->cmdidx == CMD_new
7485 || eap->cmdidx == CMD_tabnew
7486 || eap->cmdidx == CMD_tabedit
7487 #ifdef FEAT_VERTSPLIT
7488 || eap->cmdidx == CMD_vnew
7489 #endif
7490 ) && *eap->arg == NUL)
7491 {
7492 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7493 setpcmark();
7494 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7495 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7496 }
7497 else if ((eap->cmdidx != CMD_split
7498 #ifdef FEAT_VERTSPLIT
7499 && eap->cmdidx != CMD_vsplit
7500 #endif
7501 )
7502 || *eap->arg != NUL
7503 #ifdef FEAT_BROWSE
7504 || cmdmod.browse
7505 #endif
7506 )
7507 {
7508 #ifdef FEAT_AUTOCMD
7509 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7510 * can bring us here, others are stopped earlier. */
7511 if (*eap->arg != NUL && curbuf_locked())
7512 return;
7513 #endif
7514 n = readonlymode;
7515 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7516 readonlymode = TRUE;
7517 else if (eap->cmdidx == CMD_enew)
7518 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7519 empty buffer */
7520 setpcmark();
7521 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7522 NULL, eap,
7523 /* ":edit" goes to first line if Vi compatible */
7524 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7525 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7526 ? ECMD_ONE : eap->do_ecmd_lnum,
7527 (P_HID(curbuf) ? ECMD_HIDE : 0)
7528 + (eap->forceit ? ECMD_FORCEIT : 0)
7529 #ifdef FEAT_LISTCMDS
7530 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7531 #endif
7532 ) == FAIL)
7533 {
7534 /* Editing the file failed. If the window was split, close it. */
7535 #ifdef FEAT_WINDOWS
7536 if (old_curwin != NULL)
7537 {
7538 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7539 if (!need_hide || P_HID(curbuf))
7540 {
7541 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7542 cleanup_T cs;
7543
7544 /* Reset the error/interrupt/exception state here so that
7545 * aborting() returns FALSE when closing a window. */
7546 enter_cleanup(&cs);
7547 # endif
7548 # ifdef FEAT_GUI
7549 need_mouse_correct = TRUE;
7550 # endif
7551 win_close(curwin, !need_hide && !P_HID(curbuf));
7552
7553 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7554 /* Restore the error/interrupt/exception state if not
7555 * discarded by a new aborting error, interrupt, or
7556 * uncaught exception. */
7557 leave_cleanup(&cs);
7558 # endif
7559 }
7560 }
7561 #endif
7562 }
7563 else if (readonlymode && curbuf->b_nwindows == 1)
7564 {
7565 /* When editing an already visited buffer, 'readonly' won't be set
7566 * but the previous value is kept. With ":view" and ":sview" we
7567 * want the file to be readonly, except when another window is
7568 * editing the same buffer. */
7569 curbuf->b_p_ro = TRUE;
7570 }
7571 readonlymode = n;
7572 }
7573 else
7574 {
7575 if (eap->do_ecmd_cmd != NULL)
7576 do_cmdline_cmd(eap->do_ecmd_cmd);
7577 #ifdef FEAT_TITLE
7578 n = curwin->w_arg_idx_invalid;
7579 #endif
7580 check_arg_idx(curwin);
7581 #ifdef FEAT_TITLE
7582 if (n != curwin->w_arg_idx_invalid)
7583 maketitle();
7584 #endif
7585 }
7586
7587 #ifdef FEAT_WINDOWS
7588 /*
7589 * if ":split file" worked, set alternate file name in old window to new
7590 * file
7591 */
7592 if (old_curwin != NULL
7593 && *eap->arg != NUL
7594 && curwin != old_curwin
7595 && win_valid(old_curwin)
7596 && old_curwin->w_buffer != curbuf
7597 && !cmdmod.keepalt)
7598 old_curwin->w_alt_fnum = curbuf->b_fnum;
7599 #endif
7600
7601 ex_no_reprint = TRUE;
7602 }
7603
7604 #ifndef FEAT_GUI
7605 /*
7606 * ":gui" and ":gvim" when there is no GUI.
7607 */
7608 static void
7609 ex_nogui(eap)
7610 exarg_T *eap;
7611 {
7612 eap->errmsg = e_nogvim;
7613 }
7614 #endif
7615
7616 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7617 static void
7618 ex_tearoff(eap)
7619 exarg_T *eap;
7620 {
7621 gui_make_tearoff(eap->arg);
7622 }
7623 #endif
7624
7625 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7626 || defined(FEAT_GUI_MACVIM))
7627 static void
7628 ex_popup(eap)
7629 exarg_T *eap;
7630 {
7631 gui_make_popup(eap->arg, eap->forceit);
7632 }
7633 #endif
7634
7635 /*ARGSUSED*/
7636 static void
7637 ex_swapname(eap)
7638 exarg_T *eap;
7639 {
7640 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7641 MSG(_("No swap file"));
7642 else
7643 msg(curbuf->b_ml.ml_mfp->mf_fname);
7644 }
7645
7646 /*
7647 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7648 * offset.
7649 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7650 */
7651 /*ARGSUSED*/
7652 static void
7653 ex_syncbind(eap)
7654 exarg_T *eap;
7655 {
7656 #ifdef FEAT_SCROLLBIND
7657 win_T *wp;
7658 long topline;
7659 long y;
7660 linenr_T old_linenr = curwin->w_cursor.lnum;
7661
7662 setpcmark();
7663
7664 /*
7665 * determine max topline
7666 */
7667 if (curwin->w_p_scb)
7668 {
7669 topline = curwin->w_topline;
7670 for (wp = firstwin; wp; wp = wp->w_next)
7671 {
7672 if (wp->w_p_scb && wp->w_buffer)
7673 {
7674 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7675 if (topline > y)
7676 topline = y;
7677 }
7678 }
7679 if (topline < 1)
7680 topline = 1;
7681 }
7682 else
7683 {
7684 topline = 1;
7685 }
7686
7687
7688 /*
7689 * set all scrollbind windows to the same topline
7690 */
7691 wp = curwin;
7692 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7693 {
7694 if (curwin->w_p_scb)
7695 {
7696 y = topline - curwin->w_topline;
7697 if (y > 0)
7698 scrollup(y, TRUE);
7699 else
7700 scrolldown(-y, TRUE);
7701 curwin->w_scbind_pos = topline;
7702 redraw_later(VALID);
7703 cursor_correct();
7704 #ifdef FEAT_WINDOWS
7705 curwin->w_redr_status = TRUE;
7706 #endif
7707 }
7708 }
7709 curwin = wp;
7710 if (curwin->w_p_scb)
7711 {
7712 did_syncbind = TRUE;
7713 checkpcmark();
7714 if (old_linenr != curwin->w_cursor.lnum)
7715 {
7716 char_u ctrl_o[2];
7717
7718 ctrl_o[0] = Ctrl_O;
7719 ctrl_o[1] = 0;
7720 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7721 }
7722 }
7723 #endif
7724 }
7725
7726
7727 static void
7728 ex_read(eap)
7729 exarg_T *eap;
7730 {
7731 int i;
7732 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7733 linenr_T lnum;
7734
7735 if (eap->usefilter) /* :r!cmd */
7736 do_bang(1, eap, FALSE, FALSE, TRUE);
7737 else
7738 {
7739 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7740 return;
7741
7742 #ifdef FEAT_BROWSE
7743 if (cmdmod.browse)
7744 {
7745 char_u *browseFile;
7746
7747 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7748 NULL, NULL, NULL, curbuf);
7749 if (browseFile != NULL)
7750 {
7751 i = readfile(browseFile, NULL,
7752 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7753 vim_free(browseFile);
7754 }
7755 else
7756 i = OK;
7757 }
7758 else
7759 #endif
7760 if (*eap->arg == NUL)
7761 {
7762 if (check_fname() == FAIL) /* check for no file name */
7763 return;
7764 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7765 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7766 }
7767 else
7768 {
7769 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7770 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7771 i = readfile(eap->arg, NULL,
7772 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7773
7774 }
7775 if (i == FAIL)
7776 {
7777 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7778 if (!aborting())
7779 #endif
7780 EMSG2(_(e_notopen), eap->arg);
7781 }
7782 else
7783 {
7784 if (empty && exmode_active)
7785 {
7786 /* Delete the empty line that remains. Historically ex does
7787 * this but vi doesn't. */
7788 if (eap->line2 == 0)
7789 lnum = curbuf->b_ml.ml_line_count;
7790 else
7791 lnum = 1;
7792 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7793 {
7794 ml_delete(lnum, FALSE);
7795 deleted_lines_mark(lnum, 1L);
7796 if (curwin->w_cursor.lnum > 1
7797 && curwin->w_cursor.lnum >= lnum)
7798 --curwin->w_cursor.lnum;
7799 }
7800 }
7801 redraw_curbuf_later(VALID);
7802 }
7803 }
7804 }
7805
7806 static char_u *prev_dir = NULL;
7807
7808 #if defined(EXITFREE) || defined(PROTO)
7809 void
7810 free_cd_dir()
7811 {
7812 vim_free(prev_dir);
7813 }
7814 #endif
7815
7816
7817 /*
7818 * ":cd", ":lcd", ":chdir" and ":lchdir".
7819 */
7820 void
7821 ex_cd(eap)
7822 exarg_T *eap;
7823 {
7824 char_u *new_dir;
7825 char_u *tofree;
7826
7827 new_dir = eap->arg;
7828 #if !defined(UNIX) && !defined(VMS)
7829 /* for non-UNIX ":cd" means: print current directory */
7830 if (*new_dir == NUL)
7831 ex_pwd(NULL);
7832 else
7833 #endif
7834 {
7835 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7836 && !eap->forceit)
7837 {
7838 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7839 return;
7840 }
7841
7842 /* ":cd -": Change to previous directory */
7843 if (STRCMP(new_dir, "-") == 0)
7844 {
7845 if (prev_dir == NULL)
7846 {
7847 EMSG(_("E186: No previous directory"));
7848 return;
7849 }
7850 new_dir = prev_dir;
7851 }
7852
7853 /* Save current directory for next ":cd -" */
7854 tofree = prev_dir;
7855 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7856 prev_dir = vim_strsave(NameBuff);
7857 else
7858 prev_dir = NULL;
7859
7860 #if defined(UNIX) || defined(VMS)
7861 /* for UNIX ":cd" means: go to home directory */
7862 if (*new_dir == NUL)
7863 {
7864 /* use NameBuff for home directory name */
7865 # ifdef VMS
7866 char_u *p;
7867
7868 p = mch_getenv((char_u *)"SYS$LOGIN");
7869 if (p == NULL || *p == NUL) /* empty is the same as not set */
7870 NameBuff[0] = NUL;
7871 else
7872 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7873 # else
7874 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7875 # endif
7876 new_dir = NameBuff;
7877 }
7878 #endif
7879 if (new_dir == NULL || vim_chdir(new_dir))
7880 EMSG(_(e_failed));
7881 else
7882 {
7883 vim_free(curwin->w_localdir);
7884 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7885 {
7886 /* If still in global directory, need to remember current
7887 * directory as global directory. */
7888 if (globaldir == NULL && prev_dir != NULL)
7889 globaldir = vim_strsave(prev_dir);
7890 /* Remember this local directory for the window. */
7891 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7892 curwin->w_localdir = vim_strsave(NameBuff);
7893 }
7894 else
7895 {
7896 /* We are now in the global directory, no need to remember its
7897 * name. */
7898 vim_free(globaldir);
7899 globaldir = NULL;
7900 curwin->w_localdir = NULL;
7901 }
7902
7903 shorten_fnames(TRUE);
7904
7905 /* Echo the new current directory if the command was typed. */
7906 if (KeyTyped)
7907 ex_pwd(eap);
7908 }
7909 vim_free(tofree);
7910 }
7911 }
7912
7913 /*
7914 * ":pwd".
7915 */
7916 /*ARGSUSED*/
7917 static void
7918 ex_pwd(eap)
7919 exarg_T *eap;
7920 {
7921 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7922 {
7923 #ifdef BACKSLASH_IN_FILENAME
7924 slash_adjust(NameBuff);
7925 #endif
7926 msg(NameBuff);
7927 }
7928 else
7929 EMSG(_("E187: Unknown"));
7930 }
7931
7932 /*
7933 * ":=".
7934 */
7935 static void
7936 ex_equal(eap)
7937 exarg_T *eap;
7938 {
7939 smsg((char_u *)"%ld", (long)eap->line2);
7940 ex_may_print(eap);
7941 }
7942
7943 static void
7944 ex_sleep(eap)
7945 exarg_T *eap;
7946 {
7947 int n;
7948 long len;
7949
7950 if (cursor_valid())
7951 {
7952 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7953 if (n >= 0)
7954 windgoto((int)n, curwin->w_wcol);
7955 }
7956
7957 len = eap->line2;
7958 switch (*eap->arg)
7959 {
7960 case 'm': break;
7961 case NUL: len *= 1000L; break;
7962 default: EMSG2(_(e_invarg2), eap->arg); return;
7963 }
7964 do_sleep(len);
7965 }
7966
7967 /*
7968 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7969 */
7970 void
7971 do_sleep(msec)
7972 long msec;
7973 {
7974 long done;
7975
7976 cursor_on();
7977 out_flush();
7978 for (done = 0; !got_int && done < msec; done += 1000L)
7979 {
7980 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7981 ui_breakcheck();
7982 }
7983 }
7984
7985 static void
7986 do_exmap(eap, isabbrev)
7987 exarg_T *eap;
7988 int isabbrev;
7989 {
7990 int mode;
7991 char_u *cmdp;
7992
7993 cmdp = eap->cmd;
7994 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7995
7996 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7997 eap->arg, mode, isabbrev))
7998 {
7999 case 1: EMSG(_(e_invarg));
8000 break;
8001 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8002 break;
8003 }
8004 }
8005
8006 /*
8007 * ":winsize" command (obsolete).
8008 */
8009 static void
8010 ex_winsize(eap)
8011 exarg_T *eap;
8012 {
8013 int w, h;
8014 char_u *arg = eap->arg;
8015 char_u *p;
8016
8017 w = getdigits(&arg);
8018 arg = skipwhite(arg);
8019 p = arg;
8020 h = getdigits(&arg);
8021 if (*p != NUL && *arg == NUL)
8022 set_shellsize(w, h, TRUE);
8023 else
8024 EMSG(_("E465: :winsize requires two number arguments"));
8025 }
8026
8027 #ifdef FEAT_WINDOWS
8028 static void
8029 ex_wincmd(eap)
8030 exarg_T *eap;
8031 {
8032 int xchar = NUL;
8033 char_u *p;
8034
8035 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8036 {
8037 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8038 if (eap->arg[1] == NUL)
8039 {
8040 EMSG(_(e_invarg));
8041 return;
8042 }
8043 xchar = eap->arg[1];
8044 p = eap->arg + 2;
8045 }
8046 else
8047 p = eap->arg + 1;
8048
8049 eap->nextcmd = check_nextcmd(p);
8050 p = skipwhite(p);
8051 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8052 EMSG(_(e_invarg));
8053 else
8054 {
8055 /* Pass flags on for ":vertical wincmd ]". */
8056 postponed_split_flags = cmdmod.split;
8057 postponed_split_tab = cmdmod.tab;
8058 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8059 postponed_split_flags = 0;
8060 postponed_split_tab = 0;
8061 }
8062 }
8063 #endif
8064
8065 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8066 /*
8067 * ":winpos".
8068 */
8069 static void
8070 ex_winpos(eap)
8071 exarg_T *eap;
8072 {
8073 int x, y;
8074 char_u *arg = eap->arg;
8075 char_u *p;
8076
8077 if (*arg == NUL)
8078 {
8079 # if defined(FEAT_GUI) || defined(MSWIN)
8080 # ifdef FEAT_GUI
8081 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8082 # else
8083 if (mch_get_winpos(&x, &y) != FAIL)
8084 # endif
8085 {
8086 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8087 msg(IObuff);
8088 }
8089 else
8090 # endif
8091 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8092 }
8093 else
8094 {
8095 x = getdigits(&arg);
8096 arg = skipwhite(arg);
8097 p = arg;
8098 y = getdigits(&arg);
8099 if (*p == NUL || *arg != NUL)
8100 {
8101 EMSG(_("E466: :winpos requires two number arguments"));
8102 return;
8103 }
8104 # ifdef FEAT_GUI
8105 if (gui.in_use)
8106 gui_mch_set_winpos(x, y);
8107 else if (gui.starting)
8108 {
8109 /* Remember the coordinates for when the window is opened. */
8110 gui_win_x = x;
8111 gui_win_y = y;
8112 }
8113 # ifdef HAVE_TGETENT
8114 else
8115 # endif
8116 # else
8117 # ifdef MSWIN
8118 mch_set_winpos(x, y);
8119 # endif
8120 # endif
8121 # ifdef HAVE_TGETENT
8122 if (*T_CWP)
8123 term_set_winpos(x, y);
8124 # endif
8125 }
8126 }
8127 #endif
8128
8129 /*
8130 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8131 */
8132 static void
8133 ex_operators(eap)
8134 exarg_T *eap;
8135 {
8136 oparg_T oa;
8137
8138 clear_oparg(&oa);
8139 oa.regname = eap->regname;
8140 oa.start.lnum = eap->line1;
8141 oa.end.lnum = eap->line2;
8142 oa.line_count = eap->line2 - eap->line1 + 1;
8143 oa.motion_type = MLINE;
8144 #ifdef FEAT_VIRTUALEDIT
8145 virtual_op = FALSE;
8146 #endif
8147 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8148 {
8149 setpcmark();
8150 curwin->w_cursor.lnum = eap->line1;
8151 beginline(BL_SOL | BL_FIX);
8152 }
8153
8154 switch (eap->cmdidx)
8155 {
8156 case CMD_delete:
8157 oa.op_type = OP_DELETE;
8158 op_delete(&oa);
8159 break;
8160
8161 case CMD_yank:
8162 oa.op_type = OP_YANK;
8163 (void)op_yank(&oa, FALSE, TRUE);
8164 break;
8165
8166 default: /* CMD_rshift or CMD_lshift */
8167 if ((eap->cmdidx == CMD_rshift)
8168 #ifdef FEAT_RIGHTLEFT
8169 ^ curwin->w_p_rl
8170 #endif
8171 )
8172 oa.op_type = OP_RSHIFT;
8173 else
8174 oa.op_type = OP_LSHIFT;
8175 op_shift(&oa, FALSE, eap->amount);
8176 break;
8177 }
8178 #ifdef FEAT_VIRTUALEDIT
8179 virtual_op = MAYBE;
8180 #endif
8181 ex_may_print(eap);
8182 }
8183
8184 /*
8185 * ":put".
8186 */
8187 static void
8188 ex_put(eap)
8189 exarg_T *eap;
8190 {
8191 /* ":0put" works like ":1put!". */
8192 if (eap->line2 == 0)
8193 {
8194 eap->line2 = 1;
8195 eap->forceit = TRUE;
8196 }
8197 curwin->w_cursor.lnum = eap->line2;
8198 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8199 PUT_LINE|PUT_CURSLINE);
8200 }
8201
8202 /*
8203 * Handle ":copy" and ":move".
8204 */
8205 static void
8206 ex_copymove(eap)
8207 exarg_T *eap;
8208 {
8209 long n;
8210
8211 n = get_address(&eap->arg, FALSE, FALSE);
8212 if (eap->arg == NULL) /* error detected */
8213 {
8214 eap->nextcmd = NULL;
8215 return;
8216 }
8217 get_flags(eap);
8218
8219 /*
8220 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8221 */
8222 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8223 {
8224 EMSG(_(e_invaddr));
8225 return;
8226 }
8227
8228 if (eap->cmdidx == CMD_move)
8229 {
8230 if (do_move(eap->line1, eap->line2, n) == FAIL)
8231 return;
8232 }
8233 else
8234 ex_copy(eap->line1, eap->line2, n);
8235 u_clearline();
8236 beginline(BL_SOL | BL_FIX);
8237 ex_may_print(eap);
8238 }
8239
8240 /*
8241 * Print the current line if flags were given to the Ex command.
8242 */
8243 static void
8244 ex_may_print(eap)
8245 exarg_T *eap;
8246 {
8247 if (eap->flags != 0)
8248 {
8249 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8250 (eap->flags & EXFLAG_LIST));
8251 ex_no_reprint = TRUE;
8252 }
8253 }
8254
8255 /*
8256 * ":smagic" and ":snomagic".
8257 */
8258 static void
8259 ex_submagic(eap)
8260 exarg_T *eap;
8261 {
8262 int magic_save = p_magic;
8263
8264 p_magic = (eap->cmdidx == CMD_smagic);
8265 do_sub(eap);
8266 p_magic = magic_save;
8267 }
8268
8269 /*
8270 * ":join".
8271 */
8272 static void
8273 ex_join(eap)
8274 exarg_T *eap;
8275 {
8276 curwin->w_cursor.lnum = eap->line1;
8277 if (eap->line1 == eap->line2)
8278 {
8279 if (eap->addr_count >= 2) /* :2,2join does nothing */
8280 return;
8281 if (eap->line2 == curbuf->b_ml.ml_line_count)
8282 {
8283 beep_flush();
8284 return;
8285 }
8286 ++eap->line2;
8287 }
8288 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8289 beginline(BL_WHITE | BL_FIX);
8290 ex_may_print(eap);
8291 }
8292
8293 /*
8294 * ":[addr]@r" or ":[addr]*r": execute register
8295 */
8296 static void
8297 ex_at(eap)
8298 exarg_T *eap;
8299 {
8300 int c;
8301
8302 curwin->w_cursor.lnum = eap->line2;
8303
8304 #ifdef USE_ON_FLY_SCROLL
8305 dont_scroll = TRUE; /* disallow scrolling here */
8306 #endif
8307
8308 /* get the register name. No name means to use the previous one */
8309 c = *eap->arg;
8310 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8311 c = '@';
8312 /* Put the register in the typeahead buffer with the "silent" flag. */
8313 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8314 == FAIL)
8315 {
8316 beep_flush();
8317 }
8318 else
8319 {
8320 int save_efr = exec_from_reg;
8321
8322 exec_from_reg = TRUE;
8323
8324 /*
8325 * Execute from the typeahead buffer.
8326 * Originally this didn't check for the typeahead buffer to be empty,
8327 * thus could read more Ex commands from stdin. It's not clear why,
8328 * it is certainly unexpected.
8329 */
8330 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8331 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8332
8333 exec_from_reg = save_efr;
8334 }
8335 }
8336
8337 /*
8338 * ":!".
8339 */
8340 static void
8341 ex_bang(eap)
8342 exarg_T *eap;
8343 {
8344 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8345 }
8346
8347 /*
8348 * ":undo".
8349 */
8350 /*ARGSUSED*/
8351 static void
8352 ex_undo(eap)
8353 exarg_T *eap;
8354 {
8355 if (eap->addr_count == 1) /* :undo 123 */
8356 undo_time(eap->line2, FALSE, TRUE);
8357 else
8358 u_undo(1);
8359 }
8360
8361 /*
8362 * ":redo".
8363 */
8364 /*ARGSUSED*/
8365 static void
8366 ex_redo(eap)
8367 exarg_T *eap;
8368 {
8369 u_redo(1);
8370 }
8371
8372 /*
8373 * ":earlier" and ":later".
8374 */
8375 /*ARGSUSED*/
8376 static void
8377 ex_later(eap)
8378 exarg_T *eap;
8379 {
8380 long count = 0;
8381 int sec = FALSE;
8382 char_u *p = eap->arg;
8383
8384 if (*p == NUL)
8385 count = 1;
8386 else if (isdigit(*p))
8387 {
8388 count = getdigits(&p);
8389 switch (*p)
8390 {
8391 case 's': ++p; sec = TRUE; break;
8392 case 'm': ++p; sec = TRUE; count *= 60; break;
8393 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8394 }
8395 }
8396
8397 if (*p != NUL)
8398 EMSG2(_(e_invarg2), eap->arg);
8399 else
8400 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8401 }
8402
8403 /*
8404 * ":redir": start/stop redirection.
8405 */
8406 static void
8407 ex_redir(eap)
8408 exarg_T *eap;
8409 {
8410 char *mode;
8411 char_u *fname;
8412 char_u *arg = eap->arg;
8413
8414 if (STRICMP(eap->arg, "END") == 0)
8415 close_redir();
8416 else
8417 {
8418 if (*arg == '>')
8419 {
8420 ++arg;
8421 if (*arg == '>')
8422 {
8423 ++arg;
8424 mode = "a";
8425 }
8426 else
8427 mode = "w";
8428 arg = skipwhite(arg);
8429
8430 close_redir();
8431
8432 /* Expand environment variables and "~/". */
8433 fname = expand_env_save(arg);
8434 if (fname == NULL)
8435 return;
8436 #ifdef FEAT_BROWSE
8437 if (cmdmod.browse)
8438 {
8439 char_u *browseFile;
8440
8441 browseFile = do_browse(BROWSE_SAVE,
8442 (char_u *)_("Save Redirection"),
8443 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8444 if (browseFile == NULL)
8445 return; /* operation cancelled */
8446 vim_free(fname);
8447 fname = browseFile;
8448 eap->forceit = TRUE; /* since dialog already asked */
8449 }
8450 #endif
8451
8452 redir_fd = open_exfile(fname, eap->forceit, mode);
8453 vim_free(fname);
8454 }
8455 #ifdef FEAT_EVAL
8456 else if (*arg == '@')
8457 {
8458 /* redirect to a register a-z (resp. A-Z for appending) */
8459 close_redir();
8460 ++arg;
8461 if (ASCII_ISALPHA(*arg)
8462 # ifdef FEAT_CLIPBOARD
8463 || *arg == '*'
8464 || *arg == '+'
8465 # endif
8466 || *arg == '"')
8467 {
8468 redir_reg = *arg++;
8469 if (*arg == '>' && arg[1] == '>') /* append */
8470 arg += 2;
8471 else
8472 {
8473 /* Can use both "@a" and "@a>". */
8474 if (*arg == '>')
8475 arg++;
8476 /* Make register empty when not using @A-@Z and the
8477 * command is valid. */
8478 if (*arg == NUL && !isupper(redir_reg))
8479 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8480 }
8481 }
8482 if (*arg != NUL)
8483 {
8484 redir_reg = 0;
8485 EMSG2(_(e_invarg2), eap->arg);
8486 }
8487 }
8488 else if (*arg == '=' && arg[1] == '>')
8489 {
8490 int append;
8491
8492 /* redirect to a variable */
8493 close_redir();
8494 arg += 2;
8495
8496 if (*arg == '>')
8497 {
8498 ++arg;
8499 append = TRUE;
8500 }
8501 else
8502 append = FALSE;
8503
8504 if (var_redir_start(skipwhite(arg), append) == OK)
8505 redir_vname = 1;
8506 }
8507 #endif
8508
8509 /* TODO: redirect to a buffer */
8510
8511 else
8512 EMSG2(_(e_invarg2), eap->arg);
8513 }
8514
8515 /* Make sure redirection is not off. Can happen for cmdline completion
8516 * that indirectly invokes a command to catch its output. */
8517 if (redir_fd != NULL
8518 #ifdef FEAT_EVAL
8519 || redir_reg || redir_vname
8520 #endif
8521 )
8522 redir_off = FALSE;
8523 }
8524
8525 /*
8526 * ":redraw": force redraw
8527 */
8528 static void
8529 ex_redraw(eap)
8530 exarg_T *eap;
8531 {
8532 int r = RedrawingDisabled;
8533 int p = p_lz;
8534
8535 RedrawingDisabled = 0;
8536 p_lz = FALSE;
8537 update_topline();
8538 update_screen(eap->forceit ? CLEAR :
8539 #ifdef FEAT_VISUAL
8540 VIsual_active ? INVERTED :
8541 #endif
8542 0);
8543 #ifdef FEAT_TITLE
8544 if (need_maketitle)
8545 maketitle();
8546 #endif
8547 RedrawingDisabled = r;
8548 p_lz = p;
8549
8550 /* Reset msg_didout, so that a message that's there is overwritten. */
8551 msg_didout = FALSE;
8552 msg_col = 0;
8553
8554 out_flush();
8555 }
8556
8557 /*
8558 * ":redrawstatus": force redraw of status line(s)
8559 */
8560 /*ARGSUSED*/
8561 static void
8562 ex_redrawstatus(eap)
8563 exarg_T *eap;
8564 {
8565 #if defined(FEAT_WINDOWS)
8566 int r = RedrawingDisabled;
8567 int p = p_lz;
8568
8569 RedrawingDisabled = 0;
8570 p_lz = FALSE;
8571 if (eap->forceit)
8572 status_redraw_all();
8573 else
8574 status_redraw_curbuf();
8575 update_screen(
8576 # ifdef FEAT_VISUAL
8577 VIsual_active ? INVERTED :
8578 # endif
8579 0);
8580 RedrawingDisabled = r;
8581 p_lz = p;
8582 out_flush();
8583 #endif
8584 }
8585
8586 static void
8587 close_redir()
8588 {
8589 if (redir_fd != NULL)
8590 {
8591 fclose(redir_fd);
8592 redir_fd = NULL;
8593 }
8594 #ifdef FEAT_EVAL
8595 redir_reg = 0;
8596 if (redir_vname)
8597 {
8598 var_redir_stop();
8599 redir_vname = 0;
8600 }
8601 #endif
8602 }
8603
8604 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8605 # define MKSESSION_NL
8606 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8607 #endif
8608
8609 /*
8610 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8611 */
8612 static void
8613 ex_mkrc(eap)
8614 exarg_T *eap;
8615 {
8616 FILE *fd;
8617 int failed = FALSE;
8618 char_u *fname;
8619 #ifdef FEAT_BROWSE
8620 char_u *browseFile = NULL;
8621 #endif
8622 #ifdef FEAT_SESSION
8623 int view_session = FALSE;
8624 int using_vdir = FALSE; /* using 'viewdir'? */
8625 char_u *viewFile = NULL;
8626 unsigned *flagp;
8627 #endif
8628
8629 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8630 {
8631 #ifdef FEAT_SESSION
8632 view_session = TRUE;
8633 #else
8634 ex_ni(eap);
8635 return;
8636 #endif
8637 }
8638
8639 #ifdef FEAT_SESSION
8640 did_lcd = FALSE;
8641
8642 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8643 if (eap->cmdidx == CMD_mkview
8644 && (*eap->arg == NUL
8645 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8646 {
8647 eap->forceit = TRUE;
8648 fname = get_view_file(*eap->arg);
8649 if (fname == NULL)
8650 return;
8651 viewFile = fname;
8652 using_vdir = TRUE;
8653 }
8654 else
8655 #endif
8656 if (*eap->arg != NUL)
8657 fname = eap->arg;
8658 else if (eap->cmdidx == CMD_mkvimrc)
8659 fname = (char_u *)VIMRC_FILE;
8660 #ifdef FEAT_SESSION
8661 else if (eap->cmdidx == CMD_mksession)
8662 fname = (char_u *)SESSION_FILE;
8663 #endif
8664 else
8665 fname = (char_u *)EXRC_FILE;
8666
8667 #ifdef FEAT_BROWSE
8668 if (cmdmod.browse)
8669 {
8670 browseFile = do_browse(BROWSE_SAVE,
8671 # ifdef FEAT_SESSION
8672 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8673 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8674 # endif
8675 (char_u *)_("Save Setup"),
8676 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8677 if (browseFile == NULL)
8678 goto theend;
8679 fname = browseFile;
8680 eap->forceit = TRUE; /* since dialog already asked */
8681 }
8682 #endif
8683
8684 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8685 /* When using 'viewdir' may have to create the directory. */
8686 if (using_vdir && !mch_isdir(p_vdir))
8687 vim_mkdir_emsg(p_vdir, 0755);
8688 #endif
8689
8690 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8691 if (fd != NULL)
8692 {
8693 #ifdef FEAT_SESSION
8694 if (eap->cmdidx == CMD_mkview)
8695 flagp = &vop_flags;
8696 else
8697 flagp = &ssop_flags;
8698 #endif
8699
8700 #ifdef MKSESSION_NL
8701 /* "unix" in 'sessionoptions': use NL line separator */
8702 if (view_session && (*flagp & SSOP_UNIX))
8703 mksession_nl = TRUE;
8704 #endif
8705
8706 /* Write the version command for :mkvimrc */
8707 if (eap->cmdidx == CMD_mkvimrc)
8708 (void)put_line(fd, "version 6.0");
8709
8710 #ifdef FEAT_SESSION
8711 if (eap->cmdidx == CMD_mksession)
8712 {
8713 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8714 failed = TRUE;
8715 }
8716
8717 if (eap->cmdidx != CMD_mkview)
8718 #endif
8719 {
8720 /* Write setting 'compatible' first, because it has side effects.
8721 * For that same reason only do it when needed. */
8722 if (p_cp)
8723 (void)put_line(fd, "if !&cp | set cp | endif");
8724 else
8725 (void)put_line(fd, "if &cp | set nocp | endif");
8726 }
8727
8728 #ifdef FEAT_SESSION
8729 if (!view_session
8730 || (eap->cmdidx == CMD_mksession
8731 && (*flagp & SSOP_OPTIONS)))
8732 #endif
8733 failed |= (makemap(fd, NULL) == FAIL
8734 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8735
8736 #ifdef FEAT_SESSION
8737 if (!failed && view_session)
8738 {
8739 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8740 failed = TRUE;
8741 if (eap->cmdidx == CMD_mksession)
8742 {
8743 char_u dirnow[MAXPATHL]; /* current directory */
8744
8745 /*
8746 * Change to session file's dir.
8747 */
8748 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8749 || mch_chdir((char *)dirnow) != 0)
8750 *dirnow = NUL;
8751 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8752 {
8753 if (vim_chdirfile(fname) == OK)
8754 shorten_fnames(TRUE);
8755 }
8756 else if (*dirnow != NUL
8757 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8758 {
8759 (void)mch_chdir((char *)globaldir);
8760 shorten_fnames(TRUE);
8761 }
8762
8763 failed |= (makeopens(fd, dirnow) == FAIL);
8764
8765 /* restore original dir */
8766 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8767 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8768 {
8769 if (mch_chdir((char *)dirnow) != 0)
8770 EMSG(_(e_prev_dir));
8771 shorten_fnames(TRUE);
8772 }
8773 }
8774 else
8775 {
8776 failed |= (put_view(fd, curwin, !using_vdir, flagp) == FAIL);
8777 }
8778 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8779 == FAIL)
8780 failed = TRUE;
8781 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8782 failed = TRUE;
8783 if (eap->cmdidx == CMD_mksession)
8784 {
8785 if (put_line(fd, "unlet SessionLoad") == FAIL)
8786 failed = TRUE;
8787 }
8788 }
8789 #endif
8790 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8791 failed = TRUE;
8792
8793 failed |= fclose(fd);
8794
8795 if (failed)
8796 EMSG(_(e_write));
8797 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8798 else if (eap->cmdidx == CMD_mksession)
8799 {
8800 /* successful session write - set this_session var */
8801 char_u tbuf[MAXPATHL];
8802
8803 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8804 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8805 }
8806 #endif
8807 #ifdef MKSESSION_NL
8808 mksession_nl = FALSE;
8809 #endif
8810 }
8811
8812 #ifdef FEAT_BROWSE
8813 theend:
8814 vim_free(browseFile);
8815 #endif
8816 #ifdef FEAT_SESSION
8817 vim_free(viewFile);
8818 #endif
8819 }
8820
8821 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8822 || defined(PROTO)
8823 /*ARGSUSED*/
8824 int
8825 vim_mkdir_emsg(name, prot)
8826 char_u *name;
8827 int prot;
8828 {
8829 if (vim_mkdir(name, prot) != 0)
8830 {
8831 EMSG2(_("E739: Cannot create directory: %s"), name);
8832 return FAIL;
8833 }
8834 return OK;
8835 }
8836 #endif
8837
8838 /*
8839 * Open a file for writing for an Ex command, with some checks.
8840 * Return file descriptor, or NULL on failure.
8841 */
8842 FILE *
8843 open_exfile(fname, forceit, mode)
8844 char_u *fname;
8845 int forceit;
8846 char *mode; /* "w" for create new file or "a" for append */
8847 {
8848 FILE *fd;
8849
8850 #ifdef UNIX
8851 /* with Unix it is possible to open a directory */
8852 if (mch_isdir(fname))
8853 {
8854 EMSG2(_(e_isadir2), fname);
8855 return NULL;
8856 }
8857 #endif
8858 if (!forceit && *mode != 'a' && vim_fexists(fname))
8859 {
8860 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8861 return NULL;
8862 }
8863
8864 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8865 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8866
8867 return fd;
8868 }
8869
8870 /*
8871 * ":mark" and ":k".
8872 */
8873 static void
8874 ex_mark(eap)
8875 exarg_T *eap;
8876 {
8877 pos_T pos;
8878
8879 if (*eap->arg == NUL) /* No argument? */
8880 EMSG(_(e_argreq));
8881 else if (eap->arg[1] != NUL) /* more than one character? */
8882 EMSG(_(e_trailing));
8883 else
8884 {
8885 pos = curwin->w_cursor; /* save curwin->w_cursor */
8886 curwin->w_cursor.lnum = eap->line2;
8887 beginline(BL_WHITE | BL_FIX);
8888 if (setmark(*eap->arg) == FAIL) /* set mark */
8889 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8890 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8891 }
8892 }
8893
8894 /*
8895 * Update w_topline, w_leftcol and the cursor position.
8896 */
8897 void
8898 update_topline_cursor()
8899 {
8900 check_cursor(); /* put cursor on valid line */
8901 update_topline();
8902 if (!curwin->w_p_wrap)
8903 validate_cursor();
8904 update_curswant();
8905 }
8906
8907 #ifdef FEAT_EX_EXTRA
8908 /*
8909 * ":normal[!] {commands}": Execute normal mode commands.
8910 */
8911 static void
8912 ex_normal(eap)
8913 exarg_T *eap;
8914 {
8915 int save_msg_scroll = msg_scroll;
8916 int save_restart_edit = restart_edit;
8917 int save_msg_didout = msg_didout;
8918 int save_State = State;
8919 tasave_T tabuf;
8920 int save_insertmode = p_im;
8921 int save_finish_op = finish_op;
8922 #ifdef FEAT_MBYTE
8923 char_u *arg = NULL;
8924 int l;
8925 char_u *p;
8926 #endif
8927
8928 if (ex_normal_lock > 0)
8929 {
8930 EMSG(_(e_secure));
8931 return;
8932 }
8933 if (ex_normal_busy >= p_mmd)
8934 {
8935 EMSG(_("E192: Recursive use of :normal too deep"));
8936 return;
8937 }
8938 ++ex_normal_busy;
8939
8940 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8941 restart_edit = 0; /* don't go to Insert mode */
8942 p_im = FALSE; /* don't use 'insertmode' */
8943
8944 #ifdef FEAT_MBYTE
8945 /*
8946 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8947 * this for the K_SPECIAL leading byte, otherwise special keys will not
8948 * work.
8949 */
8950 if (has_mbyte)
8951 {
8952 int len = 0;
8953
8954 /* Count the number of characters to be escaped. */
8955 for (p = eap->arg; *p != NUL; ++p)
8956 {
8957 # ifdef FEAT_GUI
8958 if (*p == CSI) /* leadbyte CSI */
8959 len += 2;
8960 # endif
8961 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8962 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8963 # ifdef FEAT_GUI
8964 || *p == CSI
8965 # endif
8966 )
8967 len += 2;
8968 }
8969 if (len > 0)
8970 {
8971 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8972 if (arg != NULL)
8973 {
8974 len = 0;
8975 for (p = eap->arg; *p != NUL; ++p)
8976 {
8977 arg[len++] = *p;
8978 # ifdef FEAT_GUI
8979 if (*p == CSI)
8980 {
8981 arg[len++] = KS_EXTRA;
8982 arg[len++] = (int)KE_CSI;
8983 }
8984 # endif
8985 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8986 {
8987 arg[len++] = *++p;
8988 if (*p == K_SPECIAL)
8989 {
8990 arg[len++] = KS_SPECIAL;
8991 arg[len++] = KE_FILLER;
8992 }
8993 # ifdef FEAT_GUI
8994 else if (*p == CSI)
8995 {
8996 arg[len++] = KS_EXTRA;
8997 arg[len++] = (int)KE_CSI;
8998 }
8999 # endif
9000 }
9001 arg[len] = NUL;
9002 }
9003 }
9004 }
9005 }
9006 #endif
9007
9008 /*
9009 * Save the current typeahead. This is required to allow using ":normal"
9010 * from an event handler and makes sure we don't hang when the argument
9011 * ends with half a command.
9012 */
9013 save_typeahead(&tabuf);
9014 if (tabuf.typebuf_valid)
9015 {
9016 /*
9017 * Repeat the :normal command for each line in the range. When no
9018 * range given, execute it just once, without positioning the cursor
9019 * first.
9020 */
9021 do
9022 {
9023 if (eap->addr_count != 0)
9024 {
9025 curwin->w_cursor.lnum = eap->line1++;
9026 curwin->w_cursor.col = 0;
9027 }
9028
9029 exec_normal_cmd(
9030 #ifdef FEAT_MBYTE
9031 arg != NULL ? arg :
9032 #endif
9033 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9034 }
9035 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9036 }
9037
9038 /* Might not return to the main loop when in an event handler. */
9039 update_topline_cursor();
9040
9041 /* Restore the previous typeahead. */
9042 restore_typeahead(&tabuf);
9043
9044 --ex_normal_busy;
9045 msg_scroll = save_msg_scroll;
9046 restart_edit = save_restart_edit;
9047 p_im = save_insertmode;
9048 finish_op = save_finish_op;
9049 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9050
9051 /* Restore the state (needed when called from a function executed for
9052 * 'indentexpr'). */
9053 State = save_State;
9054 #ifdef FEAT_MBYTE
9055 vim_free(arg);
9056 #endif
9057 }
9058
9059 /*
9060 * ":startinsert", ":startreplace" and ":startgreplace"
9061 */
9062 static void
9063 ex_startinsert(eap)
9064 exarg_T *eap;
9065 {
9066 if (eap->forceit)
9067 {
9068 coladvance((colnr_T)MAXCOL);
9069 curwin->w_curswant = MAXCOL;
9070 curwin->w_set_curswant = FALSE;
9071 }
9072
9073 /* Ignore the command when already in Insert mode. Inserting an
9074 * expression register that invokes a function can do this. */
9075 if (State & INSERT)
9076 return;
9077
9078 if (eap->cmdidx == CMD_startinsert)
9079 restart_edit = 'a';
9080 else if (eap->cmdidx == CMD_startreplace)
9081 restart_edit = 'R';
9082 else
9083 restart_edit = 'V';
9084
9085 if (!eap->forceit)
9086 {
9087 if (eap->cmdidx == CMD_startinsert)
9088 restart_edit = 'i';
9089 curwin->w_curswant = 0; /* avoid MAXCOL */
9090 }
9091 }
9092
9093 /*
9094 * ":stopinsert"
9095 */
9096 /*ARGSUSED*/
9097 static void
9098 ex_stopinsert(eap)
9099 exarg_T *eap;
9100 {
9101 restart_edit = 0;
9102 stop_insert_mode = TRUE;
9103 }
9104 #endif
9105
9106 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9107 /*
9108 * Execute normal mode command "cmd".
9109 * "remap" can be REMAP_NONE or REMAP_YES.
9110 */
9111 void
9112 exec_normal_cmd(cmd, remap, silent)
9113 char_u *cmd;
9114 int remap;
9115 int silent;
9116 {
9117 oparg_T oa;
9118
9119 /*
9120 * Stuff the argument into the typeahead buffer.
9121 * Execute normal_cmd() until there is no typeahead left.
9122 */
9123 clear_oparg(&oa);
9124 finish_op = FALSE;
9125 ins_typebuf(cmd, remap, 0, TRUE, silent);
9126 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9127 && !got_int)
9128 {
9129 update_topline_cursor();
9130 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9131 }
9132 }
9133 #endif
9134
9135 #ifdef FEAT_FIND_ID
9136 static void
9137 ex_checkpath(eap)
9138 exarg_T *eap;
9139 {
9140 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9141 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9142 (linenr_T)1, (linenr_T)MAXLNUM);
9143 }
9144
9145 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9146 /*
9147 * ":psearch"
9148 */
9149 static void
9150 ex_psearch(eap)
9151 exarg_T *eap;
9152 {
9153 g_do_tagpreview = p_pvh;
9154 ex_findpat(eap);
9155 g_do_tagpreview = 0;
9156 }
9157 #endif
9158
9159 static void
9160 ex_findpat(eap)
9161 exarg_T *eap;
9162 {
9163 int whole = TRUE;
9164 long n;
9165 char_u *p;
9166 int action;
9167
9168 switch (cmdnames[eap->cmdidx].cmd_name[2])
9169 {
9170 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9171 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9172 action = ACTION_GOTO;
9173 else
9174 action = ACTION_SHOW;
9175 break;
9176 case 'i': /* ":ilist" and ":dlist" */
9177 action = ACTION_SHOW_ALL;
9178 break;
9179 case 'u': /* ":ijump" and ":djump" */
9180 action = ACTION_GOTO;
9181 break;
9182 default: /* ":isplit" and ":dsplit" */
9183 action = ACTION_SPLIT;
9184 break;
9185 }
9186
9187 n = 1;
9188 if (vim_isdigit(*eap->arg)) /* get count */
9189 {
9190 n = getdigits(&eap->arg);
9191 eap->arg = skipwhite(eap->arg);
9192 }
9193 if (*eap->arg == '/') /* Match regexp, not just whole words */
9194 {
9195 whole = FALSE;
9196 ++eap->arg;
9197 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9198 if (*p)
9199 {
9200 *p++ = NUL;
9201 p = skipwhite(p);
9202
9203 /* Check for trailing illegal characters */
9204 if (!ends_excmd(*p))
9205 eap->errmsg = e_trailing;
9206 else
9207 eap->nextcmd = check_nextcmd(p);
9208 }
9209 }
9210 if (!eap->skip)
9211 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9212 whole, !eap->forceit,
9213 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9214 n, action, eap->line1, eap->line2);
9215 }
9216 #endif
9217
9218 #ifdef FEAT_WINDOWS
9219
9220 # ifdef FEAT_QUICKFIX
9221 /*
9222 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9223 */
9224 static void
9225 ex_ptag(eap)
9226 exarg_T *eap;
9227 {
9228 g_do_tagpreview = p_pvh;
9229 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9230 }
9231
9232 /*
9233 * ":pedit"
9234 */
9235 static void
9236 ex_pedit(eap)
9237 exarg_T *eap;
9238 {
9239 win_T *curwin_save = curwin;
9240
9241 g_do_tagpreview = p_pvh;
9242 prepare_tagpreview(TRUE);
9243 keep_help_flag = curwin_save->w_buffer->b_help;
9244 do_exedit(eap, NULL);
9245 keep_help_flag = FALSE;
9246 if (curwin != curwin_save && win_valid(curwin_save))
9247 {
9248 /* Return cursor to where we were */
9249 validate_cursor();
9250 redraw_later(VALID);
9251 win_enter(curwin_save, TRUE);
9252 }
9253 g_do_tagpreview = 0;
9254 }
9255 # endif
9256
9257 /*
9258 * ":stag", ":stselect" and ":stjump".
9259 */
9260 static void
9261 ex_stag(eap)
9262 exarg_T *eap;
9263 {
9264 postponed_split = -1;
9265 postponed_split_flags = cmdmod.split;
9266 postponed_split_tab = cmdmod.tab;
9267 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9268 postponed_split_flags = 0;
9269 postponed_split_tab = 0;
9270 }
9271 #endif
9272
9273 /*
9274 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9275 */
9276 static void
9277 ex_tag(eap)
9278 exarg_T *eap;
9279 {
9280 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9281 }
9282
9283 static void
9284 ex_tag_cmd(eap, name)
9285 exarg_T *eap;
9286 char_u *name;
9287 {
9288 int cmd;
9289
9290 switch (name[1])
9291 {
9292 case 'j': cmd = DT_JUMP; /* ":tjump" */
9293 break;
9294 case 's': cmd = DT_SELECT; /* ":tselect" */
9295 break;
9296 case 'p': cmd = DT_PREV; /* ":tprevious" */
9297 break;
9298 case 'N': cmd = DT_PREV; /* ":tNext" */
9299 break;
9300 case 'n': cmd = DT_NEXT; /* ":tnext" */
9301 break;
9302 case 'o': cmd = DT_POP; /* ":pop" */
9303 break;
9304 case 'f': /* ":tfirst" */
9305 case 'r': cmd = DT_FIRST; /* ":trewind" */
9306 break;
9307 case 'l': cmd = DT_LAST; /* ":tlast" */
9308 break;
9309 default: /* ":tag" */
9310 #ifdef FEAT_CSCOPE
9311 if (p_cst)
9312 {
9313 do_cstag(eap);
9314 return;
9315 }
9316 #endif
9317 cmd = DT_TAG;
9318 break;
9319 }
9320
9321 if (name[0] == 'l')
9322 {
9323 #ifndef FEAT_QUICKFIX
9324 ex_ni(eap);
9325 return;
9326 #else
9327 cmd = DT_LTAG;
9328 #endif
9329 }
9330
9331 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9332 eap->forceit, TRUE);
9333 }
9334
9335 /*
9336 * Evaluate cmdline variables.
9337 *
9338 * change '%' to curbuf->b_ffname
9339 * '#' to curwin->w_altfile
9340 * '<cword>' to word under the cursor
9341 * '<cWORD>' to WORD under the cursor
9342 * '<cfile>' to path name under the cursor
9343 * '<sfile>' to sourced file name
9344 * '<afile>' to file name for autocommand
9345 * '<abuf>' to buffer number for autocommand
9346 * '<amatch>' to matching name for autocommand
9347 *
9348 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9349 * "" for error without a message) and NULL is returned.
9350 * Returns an allocated string if a valid match was found.
9351 * Returns NULL if no match was found. "usedlen" then still contains the
9352 * number of characters to skip.
9353 */
9354 char_u *
9355 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9356 char_u *src; /* pointer into commandline */
9357 char_u *srcstart; /* beginning of valid memory for src */
9358 int *usedlen; /* characters after src that are used */
9359 linenr_T *lnump; /* line number for :e command, or NULL */
9360 char_u **errormsg; /* pointer to error message */
9361 int *escaped; /* return value has escaped white space (can
9362 * be NULL) */
9363 {
9364 int i;
9365 char_u *s;
9366 char_u *result;
9367 char_u *resultbuf = NULL;
9368 int resultlen;
9369 buf_T *buf;
9370 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9371 int spec_idx;
9372 #ifdef FEAT_MODIFY_FNAME
9373 int skip_mod = FALSE;
9374 #endif
9375 static char *(spec_str[]) =
9376 {
9377 "%",
9378 #define SPEC_PERC 0
9379 "#",
9380 #define SPEC_HASH 1
9381 "<cword>", /* cursor word */
9382 #define SPEC_CWORD 2
9383 "<cWORD>", /* cursor WORD */
9384 #define SPEC_CCWORD 3
9385 "<cfile>", /* cursor path name */
9386 #define SPEC_CFILE 4
9387 "<sfile>", /* ":so" file name */
9388 #define SPEC_SFILE 5
9389 #ifdef FEAT_AUTOCMD
9390 "<afile>", /* autocommand file name */
9391 # define SPEC_AFILE 6
9392 "<abuf>", /* autocommand buffer number */
9393 # define SPEC_ABUF 7
9394 "<amatch>", /* autocommand match name */
9395 # define SPEC_AMATCH 8
9396 #endif
9397 #ifdef FEAT_CLIENTSERVER
9398 "<client>"
9399 # define SPEC_CLIENT 9
9400 #endif
9401 };
9402 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9403
9404 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9405 char_u strbuf[30];
9406 #endif
9407
9408 *errormsg = NULL;
9409 if (escaped != NULL)
9410 *escaped = FALSE;
9411
9412 /*
9413 * Check if there is something to do.
9414 */
9415 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9416 {
9417 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9418 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9419 break;
9420 }
9421 if (spec_idx == SPEC_COUNT) /* no match */
9422 {
9423 *usedlen = 1;
9424 return NULL;
9425 }
9426
9427 /*
9428 * Skip when preceded with a backslash "\%" and "\#".
9429 * Note: In "\\%" the % is also not recognized!
9430 */
9431 if (src > srcstart && src[-1] == '\\')
9432 {
9433 *usedlen = 0;
9434 mch_memmove(src - 1, src, STRLEN(src) + 1); /* remove backslash */
9435 return NULL;
9436 }
9437
9438 /*
9439 * word or WORD under cursor
9440 */
9441 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9442 {
9443 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9444 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9445 if (resultlen == 0)
9446 {
9447 *errormsg = (char_u *)"";
9448 return NULL;
9449 }
9450 }
9451
9452 /*
9453 * '#': Alternate file name
9454 * '%': Current file name
9455 * File name under the cursor
9456 * File name for autocommand
9457 * and following modifiers
9458 */
9459 else
9460 {
9461 switch (spec_idx)
9462 {
9463 case SPEC_PERC: /* '%': current file */
9464 if (curbuf->b_fname == NULL)
9465 {
9466 result = (char_u *)"";
9467 valid = 0; /* Must have ":p:h" to be valid */
9468 }
9469 else
9470 #ifdef RISCOS
9471 /* Always use the full path for RISC OS if possible. */
9472 result = curbuf->b_ffname;
9473 if (result == NULL)
9474 result = curbuf->b_fname;
9475 #else
9476 result = curbuf->b_fname;
9477 #endif
9478 break;
9479
9480 case SPEC_HASH: /* '#' or "#99": alternate file */
9481 if (src[1] == '#') /* "##": the argument list */
9482 {
9483 result = arg_all();
9484 resultbuf = result;
9485 *usedlen = 2;
9486 if (escaped != NULL)
9487 *escaped = TRUE;
9488 #ifdef FEAT_MODIFY_FNAME
9489 skip_mod = TRUE;
9490 #endif
9491 break;
9492 }
9493 s = src + 1;
9494 i = (int)getdigits(&s);
9495 *usedlen = (int)(s - src); /* length of what we expand */
9496
9497 buf = buflist_findnr(i);
9498 if (buf == NULL)
9499 {
9500 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9501 return NULL;
9502 }
9503 if (lnump != NULL)
9504 *lnump = ECMD_LAST;
9505 if (buf->b_fname == NULL)
9506 {
9507 result = (char_u *)"";
9508 valid = 0; /* Must have ":p:h" to be valid */
9509 }
9510 else
9511 result = buf->b_fname;
9512 break;
9513
9514 #ifdef FEAT_SEARCHPATH
9515 case SPEC_CFILE: /* file name under cursor */
9516 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9517 if (result == NULL)
9518 {
9519 *errormsg = (char_u *)"";
9520 return NULL;
9521 }
9522 resultbuf = result; /* remember allocated string */
9523 break;
9524 #endif
9525
9526 #ifdef FEAT_AUTOCMD
9527 case SPEC_AFILE: /* file name for autocommand */
9528 result = autocmd_fname;
9529 if (result == NULL)
9530 {
9531 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9532 return NULL;
9533 }
9534 break;
9535
9536 case SPEC_ABUF: /* buffer number for autocommand */
9537 if (autocmd_bufnr <= 0)
9538 {
9539 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9540 return NULL;
9541 }
9542 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9543 result = strbuf;
9544 break;
9545
9546 case SPEC_AMATCH: /* match name for autocommand */
9547 result = autocmd_match;
9548 if (result == NULL)
9549 {
9550 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9551 return NULL;
9552 }
9553 break;
9554
9555 #endif
9556 case SPEC_SFILE: /* file name for ":so" command */
9557 result = sourcing_name;
9558 if (result == NULL)
9559 {
9560 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9561 return NULL;
9562 }
9563 break;
9564 #if defined(FEAT_CLIENTSERVER)
9565 case SPEC_CLIENT: /* Source of last submitted input */
9566 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9567 (long_u)clientWindow);
9568 result = strbuf;
9569 break;
9570 #endif
9571 }
9572
9573 resultlen = (int)STRLEN(result); /* length of new string */
9574 if (src[*usedlen] == '<') /* remove the file name extension */
9575 {
9576 ++*usedlen;
9577 #ifdef RISCOS
9578 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9579 #else
9580 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9581 #endif
9582 resultlen = (int)(s - result);
9583 }
9584 #ifdef FEAT_MODIFY_FNAME
9585 else if (!skip_mod)
9586 {
9587 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9588 &resultlen);
9589 if (result == NULL)
9590 {
9591 *errormsg = (char_u *)"";
9592 return NULL;
9593 }
9594 }
9595 #endif
9596 }
9597
9598 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9599 {
9600 if (valid != VALID_HEAD + VALID_PATH)
9601 /* xgettext:no-c-format */
9602 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9603 else
9604 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9605 result = NULL;
9606 }
9607 else
9608 result = vim_strnsave(result, resultlen);
9609 vim_free(resultbuf);
9610 return result;
9611 }
9612
9613 /*
9614 * Concatenate all files in the argument list, separated by spaces, and return
9615 * it in one allocated string.
9616 * Spaces and backslashes in the file names are escaped with a backslash.
9617 * Returns NULL when out of memory.
9618 */
9619 static char_u *
9620 arg_all()
9621 {
9622 int len;
9623 int idx;
9624 char_u *retval = NULL;
9625 char_u *p;
9626
9627 /*
9628 * Do this loop two times:
9629 * first time: compute the total length
9630 * second time: concatenate the names
9631 */
9632 for (;;)
9633 {
9634 len = 0;
9635 for (idx = 0; idx < ARGCOUNT; ++idx)
9636 {
9637 p = alist_name(&ARGLIST[idx]);
9638 if (p != NULL)
9639 {
9640 if (len > 0)
9641 {
9642 /* insert a space in between names */
9643 if (retval != NULL)
9644 retval[len] = ' ';
9645 ++len;
9646 }
9647 for ( ; *p != NUL; ++p)
9648 {
9649 if (*p == ' ' || *p == '\\')
9650 {
9651 /* insert a backslash */
9652 if (retval != NULL)
9653 retval[len] = '\\';
9654 ++len;
9655 }
9656 if (retval != NULL)
9657 retval[len] = *p;
9658 ++len;
9659 }
9660 }
9661 }
9662
9663 /* second time: break here */
9664 if (retval != NULL)
9665 {
9666 retval[len] = NUL;
9667 break;
9668 }
9669
9670 /* allocate memory */
9671 retval = alloc(len + 1);
9672 if (retval == NULL)
9673 break;
9674 }
9675
9676 return retval;
9677 }
9678
9679 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9680 /*
9681 * Expand the <sfile> string in "arg".
9682 *
9683 * Returns an allocated string, or NULL for any error.
9684 */
9685 char_u *
9686 expand_sfile(arg)
9687 char_u *arg;
9688 {
9689 char_u *errormsg;
9690 int len;
9691 char_u *result;
9692 char_u *newres;
9693 char_u *repl;
9694 int srclen;
9695 char_u *p;
9696
9697 result = vim_strsave(arg);
9698 if (result == NULL)
9699 return NULL;
9700
9701 for (p = result; *p; )
9702 {
9703 if (STRNCMP(p, "<sfile>", 7) != 0)
9704 ++p;
9705 else
9706 {
9707 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9708 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9709 if (errormsg != NULL)
9710 {
9711 if (*errormsg)
9712 emsg(errormsg);
9713 vim_free(result);
9714 return NULL;
9715 }
9716 if (repl == NULL) /* no match (cannot happen) */
9717 {
9718 p += srclen;
9719 continue;
9720 }
9721 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9722 newres = alloc(len);
9723 if (newres == NULL)
9724 {
9725 vim_free(repl);
9726 vim_free(result);
9727 return NULL;
9728 }
9729 mch_memmove(newres, result, (size_t)(p - result));
9730 STRCPY(newres + (p - result), repl);
9731 len = (int)STRLEN(newres);
9732 STRCAT(newres, p + srclen);
9733 vim_free(repl);
9734 vim_free(result);
9735 result = newres;
9736 p = newres + len; /* continue after the match */
9737 }
9738 }
9739
9740 return result;
9741 }
9742 #endif
9743
9744 #ifdef FEAT_SESSION
9745 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9746 win_T *tab_firstwin));
9747 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9748 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9749 static int ses_do_frame __ARGS((frame_T *fr));
9750 static int ses_do_win __ARGS((win_T *wp));
9751 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9752 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9753 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9754
9755 /*
9756 * Write openfile commands for the current buffers to an .exrc file.
9757 * Return FAIL on error, OK otherwise.
9758 */
9759 static int
9760 makeopens(fd, dirnow)
9761 FILE *fd;
9762 char_u *dirnow; /* Current directory name */
9763 {
9764 buf_T *buf;
9765 int only_save_windows = TRUE;
9766 int nr;
9767 int cnr = 1;
9768 int restore_size = TRUE;
9769 win_T *wp;
9770 char_u *sname;
9771 win_T *edited_win = NULL;
9772 int tabnr;
9773 win_T *tab_firstwin;
9774 frame_T *tab_topframe;
9775
9776 if (ssop_flags & SSOP_BUFFERS)
9777 only_save_windows = FALSE; /* Save ALL buffers */
9778
9779 /*
9780 * Begin by setting the this_session variable, and then other
9781 * sessionable variables.
9782 */
9783 #ifdef FEAT_EVAL
9784 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9785 return FAIL;
9786 if (ssop_flags & SSOP_GLOBALS)
9787 if (store_session_globals(fd) == FAIL)
9788 return FAIL;
9789 #endif
9790
9791 /*
9792 * Close all windows but one.
9793 */
9794 if (put_line(fd, "silent only") == FAIL)
9795 return FAIL;
9796
9797 /*
9798 * Now a :cd command to the session directory or the current directory
9799 */
9800 if (ssop_flags & SSOP_SESDIR)
9801 {
9802 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9803 == FAIL)
9804 return FAIL;
9805 }
9806 else if (ssop_flags & SSOP_CURDIR)
9807 {
9808 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9809 if (sname == NULL
9810 || fputs("cd ", fd) < 0
9811 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9812 || put_eol(fd) == FAIL)
9813 {
9814 vim_free(sname);
9815 return FAIL;
9816 }
9817 vim_free(sname);
9818 }
9819
9820 /*
9821 * If there is an empty, unnamed buffer we will wipe it out later.
9822 * Remember the buffer number.
9823 */
9824 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9825 return FAIL;
9826 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9827 return FAIL;
9828 if (put_line(fd, "endif") == FAIL)
9829 return FAIL;
9830
9831 /*
9832 * Now save the current files, current buffer first.
9833 */
9834 if (put_line(fd, "set shortmess=aoO") == FAIL)
9835 return FAIL;
9836
9837 /* Now put the other buffers into the buffer list */
9838 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9839 {
9840 if (!(only_save_windows && buf->b_nwindows == 0)
9841 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9842 && buf->b_fname != NULL
9843 && buf->b_p_bl)
9844 {
9845 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9846 : buf->b_wininfo->wi_fpos.lnum) < 0
9847 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9848 return FAIL;
9849 }
9850 }
9851
9852 /* the global argument list */
9853 if (ses_arglist(fd, "args", &global_alist.al_ga,
9854 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9855 return FAIL;
9856
9857 if (ssop_flags & SSOP_RESIZE)
9858 {
9859 /* Note: after the restore we still check it worked!*/
9860 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9861 || put_eol(fd) == FAIL)
9862 return FAIL;
9863 }
9864
9865 #ifdef FEAT_GUI
9866 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9867 {
9868 int x, y;
9869
9870 if (gui_mch_get_winpos(&x, &y) == OK)
9871 {
9872 /* Note: after the restore we still check it worked!*/
9873 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9874 return FAIL;
9875 }
9876 }
9877 #endif
9878
9879 /*
9880 * May repeat putting Windows for each tab, when "tabpages" is in
9881 * 'sessionoptions'.
9882 * Don't use goto_tabpage(), it may change directory and trigger
9883 * autocommands.
9884 */
9885 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9886 tab_topframe = topframe;
9887 for (tabnr = 1; ; ++tabnr)
9888 {
9889 int need_tabnew = FALSE;
9890
9891 if ((ssop_flags & SSOP_TABPAGES))
9892 {
9893 tabpage_T *tp = find_tabpage(tabnr);
9894
9895 if (tp == NULL)
9896 break; /* done all tab pages */
9897 if (tp == curtab)
9898 {
9899 tab_firstwin = firstwin;
9900 tab_topframe = topframe;
9901 }
9902 else
9903 {
9904 tab_firstwin = tp->tp_firstwin;
9905 tab_topframe = tp->tp_topframe;
9906 }
9907 if (tabnr > 1)
9908 need_tabnew = TRUE;
9909 }
9910
9911 /*
9912 * Before creating the window layout, try loading one file. If this
9913 * is aborted we don't end up with a number of useless windows.
9914 * This may have side effects! (e.g., compressed or network file).
9915 */
9916 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9917 {
9918 if (ses_do_win(wp)
9919 && wp->w_buffer->b_ffname != NULL
9920 && !wp->w_buffer->b_help
9921 #ifdef FEAT_QUICKFIX
9922 && !bt_nofile(wp->w_buffer)
9923 #endif
9924 )
9925 {
9926 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9927 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9928 return FAIL;
9929 need_tabnew = FALSE;
9930 if (!wp->w_arg_idx_invalid)
9931 edited_win = wp;
9932 break;
9933 }
9934 }
9935
9936 /* If no file got edited create an empty tab page. */
9937 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9938 return FAIL;
9939
9940 /*
9941 * Save current window layout.
9942 */
9943 if (put_line(fd, "set splitbelow splitright") == FAIL)
9944 return FAIL;
9945 if (ses_win_rec(fd, tab_topframe) == FAIL)
9946 return FAIL;
9947 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9948 return FAIL;
9949 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9950 return FAIL;
9951
9952 /*
9953 * Check if window sizes can be restored (no windows omitted).
9954 * Remember the window number of the current window after restoring.
9955 */
9956 nr = 0;
9957 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9958 {
9959 if (ses_do_win(wp))
9960 ++nr;
9961 else
9962 restore_size = FALSE;
9963 if (curwin == wp)
9964 cnr = nr;
9965 }
9966
9967 /* Go to the first window. */
9968 if (put_line(fd, "wincmd t") == FAIL)
9969 return FAIL;
9970
9971 /*
9972 * If more than one window, see if sizes can be restored.
9973 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9974 * resized when moving between windows.
9975 * Do this before restoring the view, so that the topline and the
9976 * cursor can be set. This is done again below.
9977 */
9978 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9979 return FAIL;
9980 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9981 return FAIL;
9982
9983 /*
9984 * Restore the view of the window (options, file, cursor, etc.).
9985 */
9986 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9987 {
9988 if (!ses_do_win(wp))
9989 continue;
9990 if (put_view(fd, wp, wp != edited_win, &ssop_flags) == FAIL)
9991 return FAIL;
9992 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
9993 return FAIL;
9994 }
9995
9996 /*
9997 * Restore cursor to the current window if it's not the first one.
9998 */
9999 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10000 || put_eol(fd) == FAIL))
10001 return FAIL;
10002
10003 /*
10004 * Restore window sizes again after jumping around in windows, because
10005 * the current window has a minimum size while others may not.
10006 */
10007 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10008 return FAIL;
10009
10010 /* Don't continue in another tab page when doing only the current one
10011 * or when at the last tab page. */
10012 if (!(ssop_flags & SSOP_TABPAGES))
10013 break;
10014 }
10015
10016 if (ssop_flags & SSOP_TABPAGES)
10017 {
10018 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10019 || put_eol(fd) == FAIL)
10020 return FAIL;
10021 }
10022
10023 /*
10024 * Wipe out an empty unnamed buffer we started in.
10025 */
10026 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10027 return FAIL;
10028 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10029 return FAIL;
10030 if (put_line(fd, "endif") == FAIL)
10031 return FAIL;
10032 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10033 return FAIL;
10034
10035 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10036 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10037 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10038 return FAIL;
10039
10040 /*
10041 * Lastly, execute the x.vim file if it exists.
10042 */
10043 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10044 || put_line(fd, "if file_readable(s:sx)") == FAIL
10045 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10046 || put_line(fd, "endif") == FAIL)
10047 return FAIL;
10048
10049 return OK;
10050 }
10051
10052 static int
10053 ses_winsizes(fd, restore_size, tab_firstwin)
10054 FILE *fd;
10055 int restore_size;
10056 win_T *tab_firstwin;
10057 {
10058 int n = 0;
10059 win_T *wp;
10060
10061 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10062 {
10063 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10064 {
10065 if (!ses_do_win(wp))
10066 continue;
10067 ++n;
10068
10069 /* restore height when not full height */
10070 if (wp->w_height + wp->w_status_height < topframe->fr_height
10071 && (fprintf(fd,
10072 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10073 n, (long)wp->w_height, Rows / 2, Rows) < 0
10074 || put_eol(fd) == FAIL))
10075 return FAIL;
10076
10077 /* restore width when not full width */
10078 if (wp->w_width < Columns && (fprintf(fd,
10079 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10080 n, (long)wp->w_width, Columns / 2, Columns) < 0
10081 || put_eol(fd) == FAIL))
10082 return FAIL;
10083 }
10084 }
10085 else
10086 {
10087 /* Just equalise window sizes */
10088 if (put_line(fd, "wincmd =") == FAIL)
10089 return FAIL;
10090 }
10091 return OK;
10092 }
10093
10094 /*
10095 * Write commands to "fd" to recursively create windows for frame "fr",
10096 * horizontally and vertically split.
10097 * After the commands the last window in the frame is the current window.
10098 * Returns FAIL when writing the commands to "fd" fails.
10099 */
10100 static int
10101 ses_win_rec(fd, fr)
10102 FILE *fd;
10103 frame_T *fr;
10104 {
10105 frame_T *frc;
10106 int count = 0;
10107
10108 if (fr->fr_layout != FR_LEAF)
10109 {
10110 /* Find first frame that's not skipped and then create a window for
10111 * each following one (first frame is already there). */
10112 frc = ses_skipframe(fr->fr_child);
10113 if (frc != NULL)
10114 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10115 {
10116 /* Make window as big as possible so that we have lots of room
10117 * to split. */
10118 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10119 || put_line(fd, fr->fr_layout == FR_COL
10120 ? "split" : "vsplit") == FAIL)
10121 return FAIL;
10122 ++count;
10123 }
10124
10125 /* Go back to the first window. */
10126 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10127 ? "%dwincmd k" : "%dwincmd h", count) < 0
10128 || put_eol(fd) == FAIL))
10129 return FAIL;
10130
10131 /* Recursively create frames/windows in each window of this column or
10132 * row. */
10133 frc = ses_skipframe(fr->fr_child);
10134 while (frc != NULL)
10135 {
10136 ses_win_rec(fd, frc);
10137 frc = ses_skipframe(frc->fr_next);
10138 /* Go to next window. */
10139 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10140 return FAIL;
10141 }
10142 }
10143 return OK;
10144 }
10145
10146 /*
10147 * Skip frames that don't contain windows we want to save in the Session.
10148 * Returns NULL when there none.
10149 */
10150 static frame_T *
10151 ses_skipframe(fr)
10152 frame_T *fr;
10153 {
10154 frame_T *frc;
10155
10156 for (frc = fr; frc != NULL; frc = frc->fr_next)
10157 if (ses_do_frame(frc))
10158 break;
10159 return frc;
10160 }
10161
10162 /*
10163 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10164 * the Session.
10165 */
10166 static int
10167 ses_do_frame(fr)
10168 frame_T *fr;
10169 {
10170 frame_T *frc;
10171
10172 if (fr->fr_layout == FR_LEAF)
10173 return ses_do_win(fr->fr_win);
10174 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10175 if (ses_do_frame(frc))
10176 return TRUE;
10177 return FALSE;
10178 }
10179
10180 /*
10181 * Return non-zero if window "wp" is to be stored in the Session.
10182 */
10183 static int
10184 ses_do_win(wp)
10185 win_T *wp;
10186 {
10187 if (wp->w_buffer->b_fname == NULL
10188 #ifdef FEAT_QUICKFIX
10189 /* When 'buftype' is "nofile" can't restore the window contents. */
10190 || bt_nofile(wp->w_buffer)
10191 #endif
10192 )
10193 return (ssop_flags & SSOP_BLANK);
10194 if (wp->w_buffer->b_help)
10195 return (ssop_flags & SSOP_HELP);
10196 return TRUE;
10197 }
10198
10199 /*
10200 * Write commands to "fd" to restore the view of a window.
10201 * Caller must make sure 'scrolloff' is zero.
10202 */
10203 static int
10204 put_view(fd, wp, add_edit, flagp)
10205 FILE *fd;
10206 win_T *wp;
10207 int add_edit; /* add ":edit" command to view */
10208 unsigned *flagp; /* vop_flags or ssop_flags */
10209 {
10210 win_T *save_curwin;
10211 int f;
10212 int do_cursor;
10213 int did_next = FALSE;
10214
10215 /* Always restore cursor position for ":mksession". For ":mkview" only
10216 * when 'viewoptions' contains "cursor". */
10217 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10218
10219 /*
10220 * Local argument list.
10221 */
10222 if (wp->w_alist == &global_alist)
10223 {
10224 if (put_line(fd, "argglobal") == FAIL)
10225 return FAIL;
10226 }
10227 else
10228 {
10229 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10230 flagp == &vop_flags
10231 || !(*flagp & SSOP_CURDIR)
10232 || wp->w_localdir != NULL, flagp) == FAIL)
10233 return FAIL;
10234 }
10235
10236 /* Only when part of a session: restore the argument index. Some
10237 * arguments may have been deleted, check if the index is valid. */
10238 if (wp->w_arg_idx != 0 && wp->w_arg_idx <= WARGCOUNT(wp)
10239 && flagp == &ssop_flags)
10240 {
10241 if (fprintf(fd, "%ldnext", (long)wp->w_arg_idx) < 0
10242 || put_eol(fd) == FAIL)
10243 return FAIL;
10244 did_next = TRUE;
10245 }
10246
10247 /* Edit the file. Skip this when ":next" already did it. */
10248 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10249 {
10250 /*
10251 * Load the file.
10252 */
10253 if (wp->w_buffer->b_ffname != NULL
10254 #ifdef FEAT_QUICKFIX
10255 && !bt_nofile(wp->w_buffer)
10256 #endif
10257 )
10258 {
10259 /*
10260 * Editing a file in this buffer: use ":edit file".
10261 * This may have side effects! (e.g., compressed or network file).
10262 */
10263 if (fputs("edit ", fd) < 0
10264 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10265 return FAIL;
10266 }
10267 else
10268 {
10269 /* No file in this buffer, just make it empty. */
10270 if (put_line(fd, "enew") == FAIL)
10271 return FAIL;
10272 #ifdef FEAT_QUICKFIX
10273 if (wp->w_buffer->b_ffname != NULL)
10274 {
10275 /* The buffer does have a name, but it's not a file name. */
10276 if (fputs("file ", fd) < 0
10277 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10278 return FAIL;
10279 }
10280 #endif
10281 do_cursor = FALSE;
10282 }
10283 }
10284
10285 /*
10286 * Local mappings and abbreviations.
10287 */
10288 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10289 && makemap(fd, wp->w_buffer) == FAIL)
10290 return FAIL;
10291
10292 /*
10293 * Local options. Need to go to the window temporarily.
10294 * Store only local values when using ":mkview" and when ":mksession" is
10295 * used and 'sessionoptions' doesn't include "options".
10296 * Some folding options are always stored when "folds" is included,
10297 * otherwise the folds would not be restored correctly.
10298 */
10299 save_curwin = curwin;
10300 curwin = wp;
10301 curbuf = curwin->w_buffer;
10302 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10303 f = makeset(fd, OPT_LOCAL,
10304 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10305 #ifdef FEAT_FOLDING
10306 else if (*flagp & SSOP_FOLDS)
10307 f = makefoldset(fd);
10308 #endif
10309 else
10310 f = OK;
10311 curwin = save_curwin;
10312 curbuf = curwin->w_buffer;
10313 if (f == FAIL)
10314 return FAIL;
10315
10316 #ifdef FEAT_FOLDING
10317 /*
10318 * Save Folds when 'buftype' is empty and for help files.
10319 */
10320 if ((*flagp & SSOP_FOLDS)
10321 && wp->w_buffer->b_ffname != NULL
10322 # ifdef FEAT_QUICKFIX
10323 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10324 # endif
10325 )
10326 {
10327 if (put_folds(fd, wp) == FAIL)
10328 return FAIL;
10329 }
10330 #endif
10331
10332 /*
10333 * Set the cursor after creating folds, since that moves the cursor.
10334 */
10335 if (do_cursor)
10336 {
10337
10338 /* Restore the cursor line in the file and relatively in the
10339 * window. Don't use "G", it changes the jumplist. */
10340 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10341 (long)wp->w_cursor.lnum,
10342 (long)(wp->w_cursor.lnum - wp->w_topline),
10343 (long)wp->w_height / 2, (long)wp->w_height) < 0
10344 || put_eol(fd) == FAIL
10345 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10346 || put_line(fd, "exe s:l") == FAIL
10347 || put_line(fd, "normal! zt") == FAIL
10348 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10349 || put_eol(fd) == FAIL)
10350 return FAIL;
10351 /* Restore the cursor column and left offset when not wrapping. */
10352 if (wp->w_cursor.col == 0)
10353 {
10354 if (put_line(fd, "normal! 0") == FAIL)
10355 return FAIL;
10356 }
10357 else
10358 {
10359 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10360 {
10361 if (fprintf(fd,
10362 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10363 (long)wp->w_cursor.col,
10364 (long)(wp->w_cursor.col - wp->w_leftcol),
10365 (long)wp->w_width / 2, (long)wp->w_width) < 0
10366 || put_eol(fd) == FAIL
10367 || put_line(fd, "if s:c > 0") == FAIL
10368 || fprintf(fd,
10369 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10370 (long)wp->w_cursor.col) < 0
10371 || put_eol(fd) == FAIL
10372 || put_line(fd, "else") == FAIL
10373 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10374 || put_eol(fd) == FAIL
10375 || put_line(fd, "endif") == FAIL)
10376 return FAIL;
10377 }
10378 else
10379 {
10380 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10381 || put_eol(fd) == FAIL)
10382 return FAIL;
10383 }
10384 }
10385 }
10386
10387 /*
10388 * Local directory.
10389 */
10390 if (wp->w_localdir != NULL)
10391 {
10392 if (fputs("lcd ", fd) < 0
10393 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10394 || put_eol(fd) == FAIL)
10395 return FAIL;
10396 did_lcd = TRUE;
10397 }
10398
10399 return OK;
10400 }
10401
10402 /*
10403 * Write an argument list to the session file.
10404 * Returns FAIL if writing fails.
10405 */
10406 static int
10407 ses_arglist(fd, cmd, gap, fullname, flagp)
10408 FILE *fd;
10409 char *cmd;
10410 garray_T *gap;
10411 int fullname; /* TRUE: use full path name */
10412 unsigned *flagp;
10413 {
10414 int i;
10415 char_u buf[MAXPATHL];
10416 char_u *s;
10417
10418 if (gap->ga_len == 0)
10419 return put_line(fd, "silent! argdel *");
10420 if (fputs(cmd, fd) < 0)
10421 return FAIL;
10422 for (i = 0; i < gap->ga_len; ++i)
10423 {
10424 /* NULL file names are skipped (only happens when out of memory). */
10425 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10426 if (s != NULL)
10427 {
10428 if (fullname)
10429 {
10430 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10431 s = buf;
10432 }
10433 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10434 return FAIL;
10435 }
10436 }
10437 return put_eol(fd);
10438 }
10439
10440 /*
10441 * Write a buffer name to the session file.
10442 * Also ends the line.
10443 * Returns FAIL if writing fails.
10444 */
10445 static int
10446 ses_fname(fd, buf, flagp)
10447 FILE *fd;
10448 buf_T *buf;
10449 unsigned *flagp;
10450 {
10451 char_u *name;
10452
10453 /* Use the short file name if the current directory is known at the time
10454 * the session file will be sourced.
10455 * Don't do this for ":mkview", we don't know the current directory.
10456 * Don't do this after ":lcd", we don't keep track of what the current
10457 * directory is. */
10458 if (buf->b_sfname != NULL
10459 && flagp == &ssop_flags
10460 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10461 && !did_lcd)
10462 name = buf->b_sfname;
10463 else
10464 name = buf->b_ffname;
10465 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10466 return FAIL;
10467 return OK;
10468 }
10469
10470 /*
10471 * Write a file name to the session file.
10472 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10473 * characters.
10474 * Returns FAIL if writing fails.
10475 */
10476 static int
10477 ses_put_fname(fd, name, flagp)
10478 FILE *fd;
10479 char_u *name;
10480 unsigned *flagp;
10481 {
10482 char_u *sname;
10483 int retval = OK;
10484 int c;
10485
10486 sname = home_replace_save(NULL, name);
10487 if (sname != NULL)
10488 name = sname;
10489 while (*name != NUL)
10490 {
10491 #ifdef FEAT_MBYTE
10492 {
10493 int l;
10494
10495 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10496 {
10497 /* copy a multibyte char */
10498 while (--l >= 0)
10499 {
10500 if (putc(*name, fd) != *name)
10501 retval = FAIL;
10502 ++name;
10503 }
10504 continue;
10505 }
10506 }
10507 #endif
10508 c = *name++;
10509 if (c == '\\' && (*flagp & SSOP_SLASH))
10510 /* change a backslash to a forward slash */
10511 c = '/';
10512 else if ((vim_strchr(escape_chars, c) != NULL
10513 #ifdef BACKSLASH_IN_FILENAME
10514 && c != '\\'
10515 #endif
10516 ) || c == '#' || c == '%')
10517 {
10518 /* escape a special character with a backslash */
10519 if (putc('\\', fd) != '\\')
10520 retval = FAIL;
10521 }
10522 if (putc(c, fd) != c)
10523 retval = FAIL;
10524 }
10525 vim_free(sname);
10526 return retval;
10527 }
10528
10529 /*
10530 * ":loadview [nr]"
10531 */
10532 static void
10533 ex_loadview(eap)
10534 exarg_T *eap;
10535 {
10536 char_u *fname;
10537
10538 fname = get_view_file(*eap->arg);
10539 if (fname != NULL)
10540 {
10541 do_source(fname, FALSE, DOSO_NONE);
10542 vim_free(fname);
10543 }
10544 }
10545
10546 /*
10547 * Get the name of the view file for the current buffer.
10548 */
10549 static char_u *
10550 get_view_file(c)
10551 int c;
10552 {
10553 int len = 0;
10554 char_u *p, *s;
10555 char_u *retval;
10556 char_u *sname;
10557
10558 if (curbuf->b_ffname == NULL)
10559 {
10560 EMSG(_(e_noname));
10561 return NULL;
10562 }
10563 sname = home_replace_save(NULL, curbuf->b_ffname);
10564 if (sname == NULL)
10565 return NULL;
10566
10567 /*
10568 * We want a file name without separators, because we're not going to make
10569 * a directory.
10570 * "normal" path separator -> "=+"
10571 * "=" -> "=="
10572 * ":" path separator -> "=-"
10573 */
10574 for (p = sname; *p; ++p)
10575 if (*p == '=' || vim_ispathsep(*p))
10576 ++len;
10577 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10578 if (retval != NULL)
10579 {
10580 STRCPY(retval, p_vdir);
10581 add_pathsep(retval);
10582 s = retval + STRLEN(retval);
10583 for (p = sname; *p; ++p)
10584 {
10585 if (*p == '=')
10586 {
10587 *s++ = '=';
10588 *s++ = '=';
10589 }
10590 else if (vim_ispathsep(*p))
10591 {
10592 *s++ = '=';
10593 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10594 || defined(VMS)
10595 if (*p == ':')
10596 *s++ = '-';
10597 else
10598 #endif
10599 *s++ = '+';
10600 }
10601 else
10602 *s++ = *p;
10603 }
10604 *s++ = '=';
10605 *s++ = c;
10606 STRCPY(s, ".vim");
10607 }
10608
10609 vim_free(sname);
10610 return retval;
10611 }
10612
10613 #endif /* FEAT_SESSION */
10614
10615 /*
10616 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10617 * Return FAIL for a write error.
10618 */
10619 int
10620 put_eol(fd)
10621 FILE *fd;
10622 {
10623 if (
10624 #ifdef USE_CRNL
10625 (
10626 # ifdef MKSESSION_NL
10627 !mksession_nl &&
10628 # endif
10629 (putc('\r', fd) < 0)) ||
10630 #endif
10631 (putc('\n', fd) < 0))
10632 return FAIL;
10633 return OK;
10634 }
10635
10636 /*
10637 * Write a line to "fd".
10638 * Return FAIL for a write error.
10639 */
10640 int
10641 put_line(fd, s)
10642 FILE *fd;
10643 char *s;
10644 {
10645 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10646 return FAIL;
10647 return OK;
10648 }
10649
10650 #ifdef FEAT_VIMINFO
10651 /*
10652 * ":rviminfo" and ":wviminfo".
10653 */
10654 static void
10655 ex_viminfo(eap)
10656 exarg_T *eap;
10657 {
10658 char_u *save_viminfo;
10659
10660 save_viminfo = p_viminfo;
10661 if (*p_viminfo == NUL)
10662 p_viminfo = (char_u *)"'100";
10663 if (eap->cmdidx == CMD_rviminfo)
10664 {
10665 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10666 EMSG(_("E195: Cannot open viminfo file for reading"));
10667 }
10668 else
10669 write_viminfo(eap->arg, eap->forceit);
10670 p_viminfo = save_viminfo;
10671 }
10672 #endif
10673
10674 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10675 /*
10676 * Make a dialog message in "buff[IOSIZE]".
10677 * "format" must contain "%s".
10678 */
10679 void
10680 dialog_msg(buff, format, fname)
10681 char_u *buff;
10682 char *format;
10683 char_u *fname;
10684 {
10685 if (fname == NULL)
10686 fname = (char_u *)_("Untitled");
10687 vim_snprintf((char *)buff, IOSIZE, format, fname);
10688 }
10689 #endif
10690
10691 /*
10692 * ":behave {mswin,xterm}"
10693 */
10694 static void
10695 ex_behave(eap)
10696 exarg_T *eap;
10697 {
10698 if (STRCMP(eap->arg, "mswin") == 0)
10699 {
10700 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10701 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10702 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10703 set_option_value((char_u *)"keymodel", 0L,
10704 (char_u *)"startsel,stopsel", 0);
10705 }
10706 else if (STRCMP(eap->arg, "xterm") == 0)
10707 {
10708 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10709 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10710 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10711 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10712 }
10713 else
10714 EMSG2(_(e_invarg2), eap->arg);
10715 }
10716
10717 #ifdef FEAT_AUTOCMD
10718 static int filetype_detect = FALSE;
10719 static int filetype_plugin = FALSE;
10720 static int filetype_indent = FALSE;
10721
10722 /*
10723 * ":filetype [plugin] [indent] {on,off,detect}"
10724 * on: Load the filetype.vim file to install autocommands for file types.
10725 * off: Load the ftoff.vim file to remove all autocommands for file types.
10726 * plugin on: load filetype.vim and ftplugin.vim
10727 * plugin off: load ftplugof.vim
10728 * indent on: load filetype.vim and indent.vim
10729 * indent off: load indoff.vim
10730 */
10731 static void
10732 ex_filetype(eap)
10733 exarg_T *eap;
10734 {
10735 char_u *arg = eap->arg;
10736 int plugin = FALSE;
10737 int indent = FALSE;
10738
10739 if (*eap->arg == NUL)
10740 {
10741 /* Print current status. */
10742 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10743 filetype_detect ? "ON" : "OFF",
10744 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10745 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10746 return;
10747 }
10748
10749 /* Accept "plugin" and "indent" in any order. */
10750 for (;;)
10751 {
10752 if (STRNCMP(arg, "plugin", 6) == 0)
10753 {
10754 plugin = TRUE;
10755 arg = skipwhite(arg + 6);
10756 continue;
10757 }
10758 if (STRNCMP(arg, "indent", 6) == 0)
10759 {
10760 indent = TRUE;
10761 arg = skipwhite(arg + 6);
10762 continue;
10763 }
10764 break;
10765 }
10766 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10767 {
10768 if (*arg == 'o' || !filetype_detect)
10769 {
10770 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10771 filetype_detect = TRUE;
10772 if (plugin)
10773 {
10774 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10775 filetype_plugin = TRUE;
10776 }
10777 if (indent)
10778 {
10779 source_runtime((char_u *)INDENT_FILE, TRUE);
10780 filetype_indent = TRUE;
10781 }
10782 }
10783 if (*arg == 'd')
10784 {
10785 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10786 do_modelines(0);
10787 }
10788 }
10789 else if (STRCMP(arg, "off") == 0)
10790 {
10791 if (plugin || indent)
10792 {
10793 if (plugin)
10794 {
10795 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10796 filetype_plugin = FALSE;
10797 }
10798 if (indent)
10799 {
10800 source_runtime((char_u *)INDOFF_FILE, TRUE);
10801 filetype_indent = FALSE;
10802 }
10803 }
10804 else
10805 {
10806 source_runtime((char_u *)FTOFF_FILE, TRUE);
10807 filetype_detect = FALSE;
10808 }
10809 }
10810 else
10811 EMSG2(_(e_invarg2), arg);
10812 }
10813
10814 /*
10815 * ":setfiletype {name}"
10816 */
10817 static void
10818 ex_setfiletype(eap)
10819 exarg_T *eap;
10820 {
10821 if (!did_filetype)
10822 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10823 }
10824 #endif
10825
10826 /*ARGSUSED*/
10827 static void
10828 ex_digraphs(eap)
10829 exarg_T *eap;
10830 {
10831 #ifdef FEAT_DIGRAPHS
10832 if (*eap->arg != NUL)
10833 putdigraph(eap->arg);
10834 else
10835 listdigraphs();
10836 #else
10837 EMSG(_("E196: No digraphs in this version"));
10838 #endif
10839 }
10840
10841 static void
10842 ex_set(eap)
10843 exarg_T *eap;
10844 {
10845 int flags = 0;
10846
10847 if (eap->cmdidx == CMD_setlocal)
10848 flags = OPT_LOCAL;
10849 else if (eap->cmdidx == CMD_setglobal)
10850 flags = OPT_GLOBAL;
10851 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10852 if (cmdmod.browse && flags == 0)
10853 ex_options(eap);
10854 else
10855 #endif
10856 (void)do_set(eap->arg, flags);
10857 }
10858
10859 #ifdef FEAT_SEARCH_EXTRA
10860 /*
10861 * ":nohlsearch"
10862 */
10863 /*ARGSUSED*/
10864 static void
10865 ex_nohlsearch(eap)
10866 exarg_T *eap;
10867 {
10868 no_hlsearch = TRUE;
10869 redraw_all_later(SOME_VALID);
10870 }
10871
10872 /*
10873 * ":[N]match {group} {pattern}"
10874 * Sets nextcmd to the start of the next command, if any. Also called when
10875 * skipping commands to find the next command.
10876 */
10877 static void
10878 ex_match(eap)
10879 exarg_T *eap;
10880 {
10881 char_u *p;
10882 char_u *g = NULL;
10883 char_u *end;
10884 int c;
10885 int id;
10886
10887 if (eap->line2 <= 3)
10888 id = eap->line2;
10889 else
10890 {
10891 EMSG(e_invcmd);
10892 return;
10893 }
10894
10895 /* First clear any old pattern. */
10896 if (!eap->skip)
10897 match_delete(curwin, id, FALSE);
10898
10899 if (ends_excmd(*eap->arg))
10900 end = eap->arg;
10901 else if ((STRNICMP(eap->arg, "none", 4) == 0
10902 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10903 end = eap->arg + 4;
10904 else
10905 {
10906 p = skiptowhite(eap->arg);
10907 if (!eap->skip)
10908 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10909 p = skipwhite(p);
10910 if (*p == NUL)
10911 {
10912 /* There must be two arguments. */
10913 EMSG2(_(e_invarg2), eap->arg);
10914 return;
10915 }
10916 end = skip_regexp(p + 1, *p, TRUE, NULL);
10917 if (!eap->skip)
10918 {
10919 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10920 {
10921 eap->errmsg = e_trailing;
10922 return;
10923 }
10924 if (*end != *p)
10925 {
10926 EMSG2(_(e_invarg2), p);
10927 return;
10928 }
10929
10930 c = *end;
10931 *end = NUL;
10932 match_add(curwin, g, p + 1, 10, id);
10933 vim_free(g);
10934 *end = c;
10935 }
10936 }
10937 eap->nextcmd = find_nextcmd(end);
10938 }
10939 #endif
10940
10941 #ifdef FEAT_CRYPT
10942 /*
10943 * ":X": Get crypt key
10944 */
10945 /*ARGSUSED*/
10946 static void
10947 ex_X(eap)
10948 exarg_T *eap;
10949 {
10950 (void)get_crypt_key(TRUE, TRUE);
10951 }
10952 #endif
10953
10954 #ifdef FEAT_FOLDING
10955 static void
10956 ex_fold(eap)
10957 exarg_T *eap;
10958 {
10959 if (foldManualAllowed(TRUE))
10960 foldCreate(eap->line1, eap->line2);
10961 }
10962
10963 static void
10964 ex_foldopen(eap)
10965 exarg_T *eap;
10966 {
10967 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10968 eap->forceit, FALSE);
10969 }
10970
10971 static void
10972 ex_folddo(eap)
10973 exarg_T *eap;
10974 {
10975 linenr_T lnum;
10976
10977 /* First set the marks for all lines closed/open. */
10978 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10979 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10980 ml_setmarked(lnum);
10981
10982 /* Execute the command on the marked lines. */
10983 global_exe(eap->arg);
10984 ml_clearmarked(); /* clear rest of the marks */
10985 }
10986 #endif
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