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[MacVim/jjgod.git] / src / ex_docmd.c
blob005e02a2297d98c248900bc1035b5f28b044f09c
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 static void ex_script_ni __ARGS((exarg_T *eap));
137 #endif
138 static char_u *invalid_range __ARGS((exarg_T *eap));
139 static void correct_range __ARGS((exarg_T *eap));
140 #ifdef FEAT_QUICKFIX
141 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
142 #endif
143 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
144 static void ex_highlight __ARGS((exarg_T *eap));
145 static void ex_colorscheme __ARGS((exarg_T *eap));
146 static void ex_quit __ARGS((exarg_T *eap));
147 static void ex_cquit __ARGS((exarg_T *eap));
148 static void ex_quit_all __ARGS((exarg_T *eap));
149 #ifdef FEAT_WINDOWS
150 static void ex_close __ARGS((exarg_T *eap));
151 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
152 static void ex_only __ARGS((exarg_T *eap));
153 static void ex_resize __ARGS((exarg_T *eap));
154 static void ex_stag __ARGS((exarg_T *eap));
155 static void ex_tabclose __ARGS((exarg_T *eap));
156 static void ex_tabonly __ARGS((exarg_T *eap));
157 static void ex_tabnext __ARGS((exarg_T *eap));
158 static void ex_tabmove __ARGS((exarg_T *eap));
159 static void ex_tabs __ARGS((exarg_T *eap));
160 #else
161 # define ex_close ex_ni
162 # define ex_only ex_ni
163 # define ex_all ex_ni
164 # define ex_resize ex_ni
165 # define ex_splitview ex_ni
166 # define ex_stag ex_ni
167 # define ex_tabnext ex_ni
168 # define ex_tabmove ex_ni
169 # define ex_tabs ex_ni
170 # define ex_tabclose ex_ni
171 # define ex_tabonly ex_ni
172 #endif
173 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
174 static void ex_pclose __ARGS((exarg_T *eap));
175 static void ex_ptag __ARGS((exarg_T *eap));
176 static void ex_pedit __ARGS((exarg_T *eap));
177 #else
178 # define ex_pclose ex_ni
179 # define ex_ptag ex_ni
180 # define ex_pedit ex_ni
181 #endif
182 static void ex_hide __ARGS((exarg_T *eap));
183 static void ex_stop __ARGS((exarg_T *eap));
184 static void ex_exit __ARGS((exarg_T *eap));
185 static void ex_print __ARGS((exarg_T *eap));
186 #ifdef FEAT_BYTEOFF
187 static void ex_goto __ARGS((exarg_T *eap));
188 #else
189 # define ex_goto ex_ni
190 #endif
191 static void ex_shell __ARGS((exarg_T *eap));
192 static void ex_preserve __ARGS((exarg_T *eap));
193 static void ex_recover __ARGS((exarg_T *eap));
194 #ifndef FEAT_LISTCMDS
195 # define ex_argedit ex_ni
196 # define ex_argadd ex_ni
197 # define ex_argdelete ex_ni
198 # define ex_listdo ex_ni
199 #endif
200 static void ex_mode __ARGS((exarg_T *eap));
201 static void ex_wrongmodifier __ARGS((exarg_T *eap));
202 static void ex_find __ARGS((exarg_T *eap));
203 static void ex_open __ARGS((exarg_T *eap));
204 static void ex_edit __ARGS((exarg_T *eap));
205 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
206 # define ex_drop ex_ni
207 #endif
208 #ifndef FEAT_GUI
209 # define ex_gui ex_nogui
210 static void ex_nogui __ARGS((exarg_T *eap));
211 #endif
212 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
213 static void ex_tearoff __ARGS((exarg_T *eap));
214 #else
215 # define ex_tearoff ex_ni
216 #endif
217 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
218 static void ex_popup __ARGS((exarg_T *eap));
219 #else
220 # define ex_popup ex_ni
221 #endif
222 #ifndef FEAT_GUI_MSWIN
223 # define ex_simalt ex_ni
224 #endif
225 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
226 # define gui_mch_find_dialog ex_ni
227 # define gui_mch_replace_dialog ex_ni
228 #endif
229 #if !defined(FEAT_GUI_GTK)
230 # define ex_helpfind ex_ni
231 #endif
232 #ifndef FEAT_CSCOPE
233 # define do_cscope ex_ni
234 # define do_scscope ex_ni
235 # define do_cstag ex_ni
236 #endif
237 #ifndef FEAT_SYN_HL
238 # define ex_syntax ex_ni
239 #endif
240 #ifndef FEAT_SPELL
241 # define ex_spell ex_ni
242 # define ex_mkspell ex_ni
243 # define ex_spelldump ex_ni
244 # define ex_spellinfo ex_ni
245 # define ex_spellrepall ex_ni
246 #endif
247 #ifndef FEAT_MZSCHEME
248 # define ex_mzscheme ex_script_ni
249 # define ex_mzfile ex_ni
250 #endif
251 #ifndef FEAT_PERL
252 # define ex_perl ex_script_ni
253 # define ex_perldo ex_ni
254 #endif
255 #ifndef FEAT_PYTHON
256 # define ex_python ex_script_ni
257 # define ex_pyfile ex_ni
258 #endif
259 #ifndef FEAT_TCL
260 # define ex_tcl ex_script_ni
261 # define ex_tcldo ex_ni
262 # define ex_tclfile ex_ni
263 #endif
264 #ifndef FEAT_RUBY
265 # define ex_ruby ex_script_ni
266 # define ex_rubydo ex_ni
267 # define ex_rubyfile ex_ni
268 #endif
269 #ifndef FEAT_SNIFF
270 # define ex_sniff ex_ni
271 #endif
272 #ifndef FEAT_KEYMAP
273 # define ex_loadkeymap ex_ni
274 #endif
275 static void ex_swapname __ARGS((exarg_T *eap));
276 static void ex_syncbind __ARGS((exarg_T *eap));
277 static void ex_read __ARGS((exarg_T *eap));
278 static void ex_cd __ARGS((exarg_T *eap));
279 static void ex_pwd __ARGS((exarg_T *eap));
280 static void ex_equal __ARGS((exarg_T *eap));
281 static void ex_sleep __ARGS((exarg_T *eap));
282 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
283 static void ex_winsize __ARGS((exarg_T *eap));
284 #ifdef FEAT_WINDOWS
285 static void ex_wincmd __ARGS((exarg_T *eap));
286 #else
287 # define ex_wincmd ex_ni
288 #endif
289 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
290 static void ex_winpos __ARGS((exarg_T *eap));
291 #else
292 # define ex_winpos ex_ni
293 #endif
294 static void ex_operators __ARGS((exarg_T *eap));
295 static void ex_put __ARGS((exarg_T *eap));
296 static void ex_copymove __ARGS((exarg_T *eap));
297 static void ex_may_print __ARGS((exarg_T *eap));
298 static void ex_submagic __ARGS((exarg_T *eap));
299 static void ex_join __ARGS((exarg_T *eap));
300 static void ex_at __ARGS((exarg_T *eap));
301 static void ex_bang __ARGS((exarg_T *eap));
302 static void ex_undo __ARGS((exarg_T *eap));
303 static void ex_redo __ARGS((exarg_T *eap));
304 static void ex_later __ARGS((exarg_T *eap));
305 static void ex_redir __ARGS((exarg_T *eap));
306 static void ex_redraw __ARGS((exarg_T *eap));
307 static void ex_redrawstatus __ARGS((exarg_T *eap));
308 static void close_redir __ARGS((void));
309 static void ex_mkrc __ARGS((exarg_T *eap));
310 static void ex_mark __ARGS((exarg_T *eap));
311 #ifdef FEAT_USR_CMDS
312 static char_u *uc_fun_cmd __ARGS((void));
313 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
314 #endif
315 #ifdef FEAT_EX_EXTRA
316 static void ex_normal __ARGS((exarg_T *eap));
317 static void ex_startinsert __ARGS((exarg_T *eap));
318 static void ex_stopinsert __ARGS((exarg_T *eap));
319 #else
320 # define ex_normal ex_ni
321 # define ex_align ex_ni
322 # define ex_retab ex_ni
323 # define ex_startinsert ex_ni
324 # define ex_stopinsert ex_ni
325 # define ex_helptags ex_ni
326 # define ex_sort ex_ni
327 #endif
328 #ifdef FEAT_FIND_ID
329 static void ex_checkpath __ARGS((exarg_T *eap));
330 static void ex_findpat __ARGS((exarg_T *eap));
331 #else
332 # define ex_findpat ex_ni
333 # define ex_checkpath ex_ni
334 #endif
335 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
336 static void ex_psearch __ARGS((exarg_T *eap));
337 #else
338 # define ex_psearch ex_ni
339 #endif
340 static void ex_tag __ARGS((exarg_T *eap));
341 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
342 #ifndef FEAT_EVAL
343 # define ex_scriptnames ex_ni
344 # define ex_finish ex_ni
345 # define ex_echo ex_ni
346 # define ex_echohl ex_ni
347 # define ex_execute ex_ni
348 # define ex_call ex_ni
349 # define ex_if ex_ni
350 # define ex_endif ex_ni
351 # define ex_else ex_ni
352 # define ex_while ex_ni
353 # define ex_for ex_ni
354 # define ex_continue ex_ni
355 # define ex_break ex_ni
356 # define ex_endwhile ex_ni
357 # define ex_endfor ex_ni
358 # define ex_throw ex_ni
359 # define ex_try ex_ni
360 # define ex_catch ex_ni
361 # define ex_finally ex_ni
362 # define ex_endtry ex_ni
363 # define ex_endfunction ex_ni
364 # define ex_let ex_ni
365 # define ex_unlet ex_ni
366 # define ex_lockvar ex_ni
367 # define ex_unlockvar ex_ni
368 # define ex_function ex_ni
369 # define ex_delfunction ex_ni
370 # define ex_return ex_ni
371 #endif
372 static char_u *arg_all __ARGS((void));
373 #ifdef FEAT_SESSION
374 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
375 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp));
376 static void ex_loadview __ARGS((exarg_T *eap));
377 static char_u *get_view_file __ARGS((int c));
378 static int did_lcd; /* whether ":lcd" was produced for a session */
379 #else
380 # define ex_loadview ex_ni
381 #endif
382 #ifndef FEAT_EVAL
383 # define ex_compiler ex_ni
384 #endif
385 #ifdef FEAT_VIMINFO
386 static void ex_viminfo __ARGS((exarg_T *eap));
387 #else
388 # define ex_viminfo ex_ni
389 #endif
390 static void ex_behave __ARGS((exarg_T *eap));
391 #ifdef FEAT_AUTOCMD
392 static void ex_filetype __ARGS((exarg_T *eap));
393 static void ex_setfiletype __ARGS((exarg_T *eap));
394 #else
395 # define ex_filetype ex_ni
396 # define ex_setfiletype ex_ni
397 #endif
398 #ifndef FEAT_DIFF
399 # define ex_diffoff ex_ni
400 # define ex_diffpatch ex_ni
401 # define ex_diffgetput ex_ni
402 # define ex_diffsplit ex_ni
403 # define ex_diffthis ex_ni
404 # define ex_diffupdate ex_ni
405 #endif
406 static void ex_digraphs __ARGS((exarg_T *eap));
407 static void ex_set __ARGS((exarg_T *eap));
408 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
409 # define ex_options ex_ni
410 #endif
411 #ifdef FEAT_SEARCH_EXTRA
412 static void ex_nohlsearch __ARGS((exarg_T *eap));
413 static void ex_match __ARGS((exarg_T *eap));
414 #else
415 # define ex_nohlsearch ex_ni
416 # define ex_match ex_ni
417 #endif
418 #ifdef FEAT_CRYPT
419 static void ex_X __ARGS((exarg_T *eap));
420 #else
421 # define ex_X ex_ni
422 #endif
423 #ifdef FEAT_FOLDING
424 static void ex_fold __ARGS((exarg_T *eap));
425 static void ex_foldopen __ARGS((exarg_T *eap));
426 static void ex_folddo __ARGS((exarg_T *eap));
427 #else
428 # define ex_fold ex_ni
429 # define ex_foldopen ex_ni
430 # define ex_folddo ex_ni
431 #endif
432 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
433 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
434 # define ex_language ex_ni
435 #endif
436 #ifndef FEAT_SIGNS
437 # define ex_sign ex_ni
438 #endif
439 #ifndef FEAT_SUN_WORKSHOP
440 # define ex_wsverb ex_ni
441 #endif
442 #ifndef FEAT_NETBEANS_INTG
443 # define ex_nbkey ex_ni
444 #endif
445
446 #ifndef FEAT_EVAL
447 # define ex_debug ex_ni
448 # define ex_breakadd ex_ni
449 # define ex_debuggreedy ex_ni
450 # define ex_breakdel ex_ni
451 # define ex_breaklist ex_ni
452 #endif
453
454 #ifndef FEAT_CMDHIST
455 # define ex_history ex_ni
456 #endif
457 #ifndef FEAT_JUMPLIST
458 # define ex_jumps ex_ni
459 # define ex_changes ex_ni
460 #endif
461
462 #ifndef FEAT_PROFILE
463 # define ex_profile ex_ni
464 #endif
465
466 /*
467 * Declare cmdnames[].
468 */
469 #define DO_DECLARE_EXCMD
470 #include "ex_cmds.h"
471
472 /*
473 * Table used to quickly search for a command, based on its first character.
474 */
475 static cmdidx_T cmdidxs[27] =
476 {
477 CMD_append,
478 CMD_buffer,
479 CMD_change,
480 CMD_delete,
481 CMD_edit,
482 CMD_file,
483 CMD_global,
484 CMD_help,
485 CMD_insert,
486 CMD_join,
487 CMD_k,
488 CMD_list,
489 CMD_move,
490 CMD_next,
491 CMD_open,
492 CMD_print,
493 CMD_quit,
494 CMD_read,
495 CMD_substitute,
496 CMD_t,
497 CMD_undo,
498 CMD_vglobal,
499 CMD_write,
500 CMD_xit,
501 CMD_yank,
502 CMD_z,
503 CMD_bang
504 };
505
506 static char_u dollar_command[2] = {'$', 0};
507
508
509 #ifdef FEAT_EVAL
510 /* Struct for storing a line inside a while/for loop */
511 typedef struct
512 {
513 char_u *line; /* command line */
514 linenr_T lnum; /* sourcing_lnum of the line */
515 } wcmd_T;
516
517 /*
518 * Structure used to store info for line position in a while or for loop.
519 * This is required, because do_one_cmd() may invoke ex_function(), which
520 * reads more lines that may come from the while/for loop.
521 */
522 struct loop_cookie
523 {
524 garray_T *lines_gap; /* growarray with line info */
525 int current_line; /* last read line from growarray */
526 int repeating; /* TRUE when looping a second time */
527 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
528 char_u *(*getline) __ARGS((int, void *, int));
529 void *cookie;
530 };
531
532 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
533 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
534 static void free_cmdlines __ARGS((garray_T *gap));
535
536 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
537 struct dbg_stuff
538 {
539 int trylevel;
540 int force_abort;
541 except_T *caught_stack;
542 char_u *vv_exception;
543 char_u *vv_throwpoint;
544 int did_emsg;
545 int got_int;
546 int did_throw;
547 int need_rethrow;
548 int check_cstack;
549 except_T *current_exception;
550 };
551
552 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
553 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
554
555 static void
556 save_dbg_stuff(dsp)
557 struct dbg_stuff *dsp;
558 {
559 dsp->trylevel = trylevel; trylevel = 0;
560 dsp->force_abort = force_abort; force_abort = FALSE;
561 dsp->caught_stack = caught_stack; caught_stack = NULL;
562 dsp->vv_exception = v_exception(NULL);
563 dsp->vv_throwpoint = v_throwpoint(NULL);
564
565 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
566 dsp->did_emsg = did_emsg; did_emsg = FALSE;
567 dsp->got_int = got_int; got_int = FALSE;
568 dsp->did_throw = did_throw; did_throw = FALSE;
569 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
570 dsp->check_cstack = check_cstack; check_cstack = FALSE;
571 dsp->current_exception = current_exception; current_exception = NULL;
572 }
573
574 static void
575 restore_dbg_stuff(dsp)
576 struct dbg_stuff *dsp;
577 {
578 suppress_errthrow = FALSE;
579 trylevel = dsp->trylevel;
580 force_abort = dsp->force_abort;
581 caught_stack = dsp->caught_stack;
582 (void)v_exception(dsp->vv_exception);
583 (void)v_throwpoint(dsp->vv_throwpoint);
584 did_emsg = dsp->did_emsg;
585 got_int = dsp->got_int;
586 did_throw = dsp->did_throw;
587 need_rethrow = dsp->need_rethrow;
588 check_cstack = dsp->check_cstack;
589 current_exception = dsp->current_exception;
590 }
591 #endif
592
593
594 /*
595 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
596 * command is given.
597 */
598 void
599 do_exmode(improved)
600 int improved; /* TRUE for "improved Ex" mode */
601 {
602 int save_msg_scroll;
603 int prev_msg_row;
604 linenr_T prev_line;
605 int changedtick;
606
607 if (improved)
608 exmode_active = EXMODE_VIM;
609 else
610 exmode_active = EXMODE_NORMAL;
611 State = NORMAL;
612
613 /* When using ":global /pat/ visual" and then "Q" we return to continue
614 * the :global command. */
615 if (global_busy)
616 return;
617
618 save_msg_scroll = msg_scroll;
619 ++RedrawingDisabled; /* don't redisplay the window */
620 ++no_wait_return; /* don't wait for return */
621 #ifdef FEAT_GUI
622 /* Ignore scrollbar and mouse events in Ex mode */
623 ++hold_gui_events;
624 #endif
625 #ifdef FEAT_SNIFF
626 want_sniff_request = 0; /* No K_SNIFF wanted */
627 #endif
628
629 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
630 while (exmode_active)
631 {
632 #ifdef FEAT_EX_EXTRA
633 /* Check for a ":normal" command and no more characters left. */
634 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
635 {
636 exmode_active = FALSE;
637 break;
638 }
639 #endif
640 msg_scroll = TRUE;
641 need_wait_return = FALSE;
642 ex_pressedreturn = FALSE;
643 ex_no_reprint = FALSE;
644 changedtick = curbuf->b_changedtick;
645 prev_msg_row = msg_row;
646 prev_line = curwin->w_cursor.lnum;
647 #ifdef FEAT_SNIFF
648 ProcessSniffRequests();
649 #endif
650 if (improved)
651 {
652 cmdline_row = msg_row;
653 do_cmdline(NULL, getexline, NULL, 0);
654 }
655 else
656 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
657 lines_left = Rows - 1;
658
659 if ((prev_line != curwin->w_cursor.lnum
660 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
661 {
662 if (curbuf->b_ml.ml_flags & ML_EMPTY)
663 EMSG(_(e_emptybuf));
664 else
665 {
666 if (ex_pressedreturn)
667 {
668 /* go up one line, to overwrite the ":<CR>" line, so the
669 * output doensn't contain empty lines. */
670 msg_row = prev_msg_row;
671 if (prev_msg_row == Rows - 1)
672 msg_row--;
673 }
674 msg_col = 0;
675 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
676 msg_clr_eos();
677 }
678 }
679 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
680 {
681 if (curbuf->b_ml.ml_flags & ML_EMPTY)
682 EMSG(_(e_emptybuf));
683 else
684 EMSG(_("E501: At end-of-file"));
685 }
686 }
687
688 #ifdef FEAT_GUI
689 --hold_gui_events;
690 #endif
691 --RedrawingDisabled;
692 --no_wait_return;
693 update_screen(CLEAR);
694 need_wait_return = FALSE;
695 msg_scroll = save_msg_scroll;
696 }
697
698 /*
699 * Execute a simple command line. Used for translated commands like "*".
700 */
701 int
702 do_cmdline_cmd(cmd)
703 char_u *cmd;
704 {
705 return do_cmdline(cmd, NULL, NULL,
706 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
707 }
708
709 /*
710 * do_cmdline(): execute one Ex command line
711 *
712 * 1. Execute "cmdline" when it is not NULL.
713 * If "cmdline" is NULL, or more lines are needed, getline() is used.
714 * 2. Split up in parts separated with '|'.
715 *
716 * This function can be called recursively!
717 *
718 * flags:
719 * DOCMD_VERBOSE - The command will be included in the error message.
720 * DOCMD_NOWAIT - Don't call wait_return() and friends.
721 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
722 * DOCMD_KEYTYPED - Don't reset KeyTyped.
723 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
724 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
725 *
726 * return FAIL if cmdline could not be executed, OK otherwise
727 */
728 int
729 do_cmdline(cmdline, getline, cookie, flags)
730 char_u *cmdline;
731 char_u *(*getline) __ARGS((int, void *, int));
732 void *cookie; /* argument for getline() */
733 int flags;
734 {
735 char_u *next_cmdline; /* next cmd to execute */
736 char_u *cmdline_copy = NULL; /* copy of cmd line */
737 int used_getline = FALSE; /* used "getline" to obtain command */
738 static int recursive = 0; /* recursive depth */
739 int msg_didout_before_start = 0;
740 int count = 0; /* line number count */
741 int did_inc = FALSE; /* incremented RedrawingDisabled */
742 int retval = OK;
743 #ifdef FEAT_EVAL
744 struct condstack cstack; /* conditional stack */
745 garray_T lines_ga; /* keep lines for ":while"/":for" */
746 int current_line = 0; /* active line in lines_ga */
747 char_u *fname = NULL; /* function or script name */
748 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
749 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
750 struct dbg_stuff debug_saved; /* saved things for debug mode */
751 int initial_trylevel;
752 struct msglist **saved_msg_list = NULL;
753 struct msglist *private_msg_list;
754
755 /* "getline" and "cookie" passed to do_one_cmd() */
756 char_u *(*cmd_getline) __ARGS((int, void *, int));
757 void *cmd_cookie;
758 struct loop_cookie cmd_loop_cookie;
759 void *real_cookie;
760 int getline_is_func;
761 #else
762 # define cmd_getline getline
763 # define cmd_cookie cookie
764 #endif
765 static int call_depth = 0; /* recursiveness */
766
767 #ifdef FEAT_EVAL
768 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
769 * location for storing error messages to be converted to an exception.
770 * This ensures that the do_errthrow() call in do_one_cmd() does not
771 * combine the messages stored by an earlier invocation of do_one_cmd()
772 * with the command name of the later one. This would happen when
773 * BufWritePost autocommands are executed after a write error. */
774 saved_msg_list = msg_list;
775 msg_list = &private_msg_list;
776 private_msg_list = NULL;
777 #endif
778
779 /* It's possible to create an endless loop with ":execute", catch that
780 * here. The value of 200 allows nested function calls, ":source", etc. */
781 if (call_depth == 200)
782 {
783 EMSG(_("E169: Command too recursive"));
784 #ifdef FEAT_EVAL
785 /* When converting to an exception, we do not include the command name
786 * since this is not an error of the specific command. */
787 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
788 msg_list = saved_msg_list;
789 #endif
790 return FAIL;
791 }
792 ++call_depth;
793
794 #ifdef FEAT_EVAL
795 cstack.cs_idx = -1;
796 cstack.cs_looplevel = 0;
797 cstack.cs_trylevel = 0;
798 cstack.cs_emsg_silent_list = NULL;
799 cstack.cs_lflags = 0;
800 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
801
802 real_cookie = getline_cookie(getline, cookie);
803
804 /* Inside a function use a higher nesting level. */
805 getline_is_func = getline_equal(getline, cookie, get_func_line);
806 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
807 ++ex_nesting_level;
808
809 /* Get the function or script name and the address where the next breakpoint
810 * line and the debug tick for a function or script are stored. */
811 if (getline_is_func)
812 {
813 fname = func_name(real_cookie);
814 breakpoint = func_breakpoint(real_cookie);
815 dbg_tick = func_dbg_tick(real_cookie);
816 }
817 else if (getline_equal(getline, cookie, getsourceline))
818 {
819 fname = sourcing_name;
820 breakpoint = source_breakpoint(real_cookie);
821 dbg_tick = source_dbg_tick(real_cookie);
822 }
823
824 /*
825 * Initialize "force_abort" and "suppress_errthrow" at the top level.
826 */
827 if (!recursive)
828 {
829 force_abort = FALSE;
830 suppress_errthrow = FALSE;
831 }
832
833 /*
834 * If requested, store and reset the global values controlling the
835 * exception handling (used when debugging). Otherwise clear it to avoid
836 * a bogus compiler warning when the optimizer uses inline functions...
837 */
838 if (flags & DOCMD_EXCRESET)
839 save_dbg_stuff(&debug_saved);
840 else
841 memset(&debug_saved, 0, 1);
842
843 initial_trylevel = trylevel;
844
845 /*
846 * "did_throw" will be set to TRUE when an exception is being thrown.
847 */
848 did_throw = FALSE;
849 #endif
850 /*
851 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
852 * cancel the whole command line, and any if/endif or loop.
853 * If force_abort is set, we cancel everything.
854 */
855 did_emsg = FALSE;
856
857 /*
858 * KeyTyped is only set when calling vgetc(). Reset it here when not
859 * calling vgetc() (sourced command lines).
860 */
861 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
862 KeyTyped = FALSE;
863
864 /*
865 * Continue executing command lines:
866 * - when inside an ":if", ":while" or ":for"
867 * - for multiple commands on one line, separated with '|'
868 * - when repeating until there are no more lines (for ":source")
869 */
870 next_cmdline = cmdline;
871 do
872 {
873 #ifdef FEAT_EVAL
874 getline_is_func = getline_equal(getline, cookie, get_func_line);
875 #endif
876
877 /* stop skipping cmds for an error msg after all endif/while/for */
878 if (next_cmdline == NULL
879 #ifdef FEAT_EVAL
880 && !force_abort
881 && cstack.cs_idx < 0
882 && !(getline_is_func && func_has_abort(real_cookie))
883 #endif
884 )
885 did_emsg = FALSE;
886
887 /*
888 * 1. If repeating a line in a loop, get a line from lines_ga.
889 * 2. If no line given: Get an allocated line with getline().
890 * 3. If a line is given: Make a copy, so we can mess with it.
891 */
892
893 #ifdef FEAT_EVAL
894 /* 1. If repeating, get a previous line from lines_ga. */
895 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
896 {
897 /* Each '|' separated command is stored separately in lines_ga, to
898 * be able to jump to it. Don't use next_cmdline now. */
899 vim_free(cmdline_copy);
900 cmdline_copy = NULL;
901
902 /* Check if a function has returned or, unless it has an unclosed
903 * try conditional, aborted. */
904 if (getline_is_func)
905 {
906 # ifdef FEAT_PROFILE
907 if (do_profiling == PROF_YES)
908 func_line_end(real_cookie);
909 # endif
910 if (func_has_ended(real_cookie))
911 {
912 retval = FAIL;
913 break;
914 }
915 }
916 #ifdef FEAT_PROFILE
917 else if (do_profiling == PROF_YES
918 && getline_equal(getline, cookie, getsourceline))
919 script_line_end();
920 #endif
921
922 /* Check if a sourced file hit a ":finish" command. */
923 if (source_finished(getline, cookie))
924 {
925 retval = FAIL;
926 break;
927 }
928
929 /* If breakpoints have been added/deleted need to check for it. */
930 if (breakpoint != NULL && dbg_tick != NULL
931 && *dbg_tick != debug_tick)
932 {
933 *breakpoint = dbg_find_breakpoint(
934 getline_equal(getline, cookie, getsourceline),
935 fname, sourcing_lnum);
936 *dbg_tick = debug_tick;
937 }
938
939 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
940 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
941
942 /* Did we encounter a breakpoint? */
943 if (breakpoint != NULL && *breakpoint != 0
944 && *breakpoint <= sourcing_lnum)
945 {
946 dbg_breakpoint(fname, sourcing_lnum);
947 /* Find next breakpoint. */
948 *breakpoint = dbg_find_breakpoint(
949 getline_equal(getline, cookie, getsourceline),
950 fname, sourcing_lnum);
951 *dbg_tick = debug_tick;
952 }
953 # ifdef FEAT_PROFILE
954 if (do_profiling == PROF_YES)
955 {
956 if (getline_is_func)
957 func_line_start(real_cookie);
958 else if (getline_equal(getline, cookie, getsourceline))
959 script_line_start();
960 }
961 # endif
962 }
963
964 if (cstack.cs_looplevel > 0)
965 {
966 /* Inside a while/for loop we need to store the lines and use them
967 * again. Pass a different "getline" function to do_one_cmd()
968 * below, so that it stores lines in or reads them from
969 * "lines_ga". Makes it possible to define a function inside a
970 * while/for loop. */
971 cmd_getline = get_loop_line;
972 cmd_cookie = (void *)&cmd_loop_cookie;
973 cmd_loop_cookie.lines_gap = &lines_ga;
974 cmd_loop_cookie.current_line = current_line;
975 cmd_loop_cookie.getline = getline;
976 cmd_loop_cookie.cookie = cookie;
977 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
978 }
979 else
980 {
981 cmd_getline = getline;
982 cmd_cookie = cookie;
983 }
984 #endif
985
986 /* 2. If no line given, get an allocated line with getline(). */
987 if (next_cmdline == NULL)
988 {
989 /*
990 * Need to set msg_didout for the first line after an ":if",
991 * otherwise the ":if" will be overwritten.
992 */
993 if (count == 1 && getline_equal(getline, cookie, getexline))
994 msg_didout = TRUE;
995 if (getline == NULL || (next_cmdline = getline(':', cookie,
996 #ifdef FEAT_EVAL
997 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
998 #else
999 0
1000 #endif
1001 )) == NULL)
1002 {
1003 /* Don't call wait_return for aborted command line. The NULL
1004 * returned for the end of a sourced file or executed function
1005 * doesn't do this. */
1006 if (KeyTyped && !(flags & DOCMD_REPEAT))
1007 need_wait_return = FALSE;
1008 retval = FAIL;
1009 break;
1010 }
1011 used_getline = TRUE;
1012
1013 /*
1014 * Keep the first typed line. Clear it when more lines are typed.
1015 */
1016 if (flags & DOCMD_KEEPLINE)
1017 {
1018 vim_free(repeat_cmdline);
1019 if (count == 0)
1020 repeat_cmdline = vim_strsave(next_cmdline);
1021 else
1022 repeat_cmdline = NULL;
1023 }
1024 }
1025
1026 /* 3. Make a copy of the command so we can mess with it. */
1027 else if (cmdline_copy == NULL)
1028 {
1029 next_cmdline = vim_strsave(next_cmdline);
1030 if (next_cmdline == NULL)
1031 {
1032 EMSG(_(e_outofmem));
1033 retval = FAIL;
1034 break;
1035 }
1036 }
1037 cmdline_copy = next_cmdline;
1038
1039 #ifdef FEAT_EVAL
1040 /*
1041 * Save the current line when inside a ":while" or ":for", and when
1042 * the command looks like a ":while" or ":for", because we may need it
1043 * later. When there is a '|' and another command, it is stored
1044 * separately, because we need to be able to jump back to it from an
1045 * :endwhile/:endfor.
1046 */
1047 if (current_line == lines_ga.ga_len
1048 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1049 {
1050 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1051 {
1052 retval = FAIL;
1053 break;
1054 }
1055 }
1056 did_endif = FALSE;
1057 #endif
1058
1059 if (count++ == 0)
1060 {
1061 /*
1062 * All output from the commands is put below each other, without
1063 * waiting for a return. Don't do this when executing commands
1064 * from a script or when being called recursive (e.g. for ":e
1065 * +command file").
1066 */
1067 if (!(flags & DOCMD_NOWAIT) && !recursive)
1068 {
1069 msg_didout_before_start = msg_didout;
1070 msg_didany = FALSE; /* no output yet */
1071 msg_start();
1072 msg_scroll = TRUE; /* put messages below each other */
1073 ++no_wait_return; /* dont wait for return until finished */
1074 ++RedrawingDisabled;
1075 did_inc = TRUE;
1076 }
1077 }
1078
1079 if (p_verbose >= 15 && sourcing_name != NULL)
1080 {
1081 ++no_wait_return;
1082 verbose_enter_scroll();
1083
1084 smsg((char_u *)_("line %ld: %s"),
1085 (long)sourcing_lnum, cmdline_copy);
1086 if (msg_silent == 0)
1087 msg_puts((char_u *)"\n"); /* don't overwrite this */
1088
1089 verbose_leave_scroll();
1090 --no_wait_return;
1091 }
1092
1093 /*
1094 * 2. Execute one '|' separated command.
1095 * do_one_cmd() will return NULL if there is no trailing '|'.
1096 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1097 */
1098 ++recursive;
1099 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1100 #ifdef FEAT_EVAL
1101 &cstack,
1102 #endif
1103 cmd_getline, cmd_cookie);
1104 --recursive;
1105
1106 #ifdef FEAT_EVAL
1107 if (cmd_cookie == (void *)&cmd_loop_cookie)
1108 /* Use "current_line" from "cmd_loop_cookie", it may have been
1109 * incremented when defining a function. */
1110 current_line = cmd_loop_cookie.current_line;
1111 #endif
1112
1113 if (next_cmdline == NULL)
1114 {
1115 vim_free(cmdline_copy);
1116 cmdline_copy = NULL;
1117 #ifdef FEAT_CMDHIST
1118 /*
1119 * If the command was typed, remember it for the ':' register.
1120 * Do this AFTER executing the command to make :@: work.
1121 */
1122 if (getline_equal(getline, cookie, getexline)
1123 && new_last_cmdline != NULL)
1124 {
1125 vim_free(last_cmdline);
1126 last_cmdline = new_last_cmdline;
1127 new_last_cmdline = NULL;
1128 }
1129 #endif
1130 }
1131 else
1132 {
1133 /* need to copy the command after the '|' to cmdline_copy, for the
1134 * next do_one_cmd() */
1135 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
1136 next_cmdline = cmdline_copy;
1137 }
1138
1139
1140 #ifdef FEAT_EVAL
1141 /* reset did_emsg for a function that is not aborted by an error */
1142 if (did_emsg && !force_abort
1143 && getline_equal(getline, cookie, get_func_line)
1144 && !func_has_abort(real_cookie))
1145 did_emsg = FALSE;
1146
1147 if (cstack.cs_looplevel > 0)
1148 {
1149 ++current_line;
1150
1151 /*
1152 * An ":endwhile", ":endfor" and ":continue" is handled here.
1153 * If we were executing commands, jump back to the ":while" or
1154 * ":for".
1155 * If we were not executing commands, decrement cs_looplevel.
1156 */
1157 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1158 {
1159 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1160
1161 /* Jump back to the matching ":while" or ":for". Be careful
1162 * not to use a cs_line[] from an entry that isn't a ":while"
1163 * or ":for": It would make "current_line" invalid and can
1164 * cause a crash. */
1165 if (!did_emsg && !got_int && !did_throw
1166 && cstack.cs_idx >= 0
1167 && (cstack.cs_flags[cstack.cs_idx]
1168 & (CSF_WHILE | CSF_FOR))
1169 && cstack.cs_line[cstack.cs_idx] >= 0
1170 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1171 {
1172 current_line = cstack.cs_line[cstack.cs_idx];
1173 /* remember we jumped there */
1174 cstack.cs_lflags |= CSL_HAD_LOOP;
1175 line_breakcheck(); /* check if CTRL-C typed */
1176
1177 /* Check for the next breakpoint at or after the ":while"
1178 * or ":for". */
1179 if (breakpoint != NULL)
1180 {
1181 *breakpoint = dbg_find_breakpoint(
1182 getline_equal(getline, cookie, getsourceline),
1183 fname,
1184 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1185 *dbg_tick = debug_tick;
1186 }
1187 }
1188 else
1189 {
1190 /* can only get here with ":endwhile" or ":endfor" */
1191 if (cstack.cs_idx >= 0)
1192 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1193 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1194 }
1195 }
1196
1197 /*
1198 * For a ":while" or ":for" we need to remember the line number.
1199 */
1200 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1201 {
1202 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1203 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1204 }
1205 }
1206
1207 /*
1208 * When not inside any ":while" loop, clear remembered lines.
1209 */
1210 if (cstack.cs_looplevel == 0)
1211 {
1212 if (lines_ga.ga_len > 0)
1213 {
1214 sourcing_lnum =
1215 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1216 free_cmdlines(&lines_ga);
1217 }
1218 current_line = 0;
1219 }
1220
1221 /*
1222 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1223 * being restored at the ":endtry". Reset them here and set the
1224 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1225 * This includes the case where a missing ":endif", ":endwhile" or
1226 * ":endfor" was detected by the ":finally" itself.
1227 */
1228 if (cstack.cs_lflags & CSL_HAD_FINA)
1229 {
1230 cstack.cs_lflags &= ~CSL_HAD_FINA;
1231 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1232 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1233 did_throw ? (void *)current_exception : NULL);
1234 did_emsg = got_int = did_throw = FALSE;
1235 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1236 }
1237
1238 /* Update global "trylevel" for recursive calls to do_cmdline() from
1239 * within this loop. */
1240 trylevel = initial_trylevel + cstack.cs_trylevel;
1241
1242 /*
1243 * If the outermost try conditional (across function calls and sourced
1244 * files) is aborted because of an error, an interrupt, or an uncaught
1245 * exception, cancel everything. If it is left normally, reset
1246 * force_abort to get the non-EH compatible abortion behavior for
1247 * the rest of the script.
1248 */
1249 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1250 force_abort = FALSE;
1251
1252 /* Convert an interrupt to an exception if appropriate. */
1253 (void)do_intthrow(&cstack);
1254 #endif /* FEAT_EVAL */
1255
1256 }
1257 /*
1258 * Continue executing command lines when:
1259 * - no CTRL-C typed, no aborting error, no exception thrown or try
1260 * conditionals need to be checked for executing finally clauses or
1261 * catching an interrupt exception
1262 * - didn't get an error message or lines are not typed
1263 * - there is a command after '|', inside a :if, :while, :for or :try, or
1264 * looping for ":source" command or function call.
1265 */
1266 while (!((got_int
1267 #ifdef FEAT_EVAL
1268 || (did_emsg && force_abort) || did_throw
1269 #endif
1270 )
1271 #ifdef FEAT_EVAL
1272 && cstack.cs_trylevel == 0
1273 #endif
1274 )
1275 && !(did_emsg && used_getline
1276 && (getline_equal(getline, cookie, getexmodeline)
1277 || getline_equal(getline, cookie, getexline)))
1278 && (next_cmdline != NULL
1279 #ifdef FEAT_EVAL
1280 || cstack.cs_idx >= 0
1281 #endif
1282 || (flags & DOCMD_REPEAT)));
1283
1284 vim_free(cmdline_copy);
1285 #ifdef FEAT_EVAL
1286 free_cmdlines(&lines_ga);
1287 ga_clear(&lines_ga);
1288
1289 if (cstack.cs_idx >= 0)
1290 {
1291 /*
1292 * If a sourced file or executed function ran to its end, report the
1293 * unclosed conditional.
1294 */
1295 if (!got_int && !did_throw
1296 && ((getline_equal(getline, cookie, getsourceline)
1297 && !source_finished(getline, cookie))
1298 || (getline_equal(getline, cookie, get_func_line)
1299 && !func_has_ended(real_cookie))))
1300 {
1301 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1302 EMSG(_(e_endtry));
1303 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1304 EMSG(_(e_endwhile));
1305 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1306 EMSG(_(e_endfor));
1307 else
1308 EMSG(_(e_endif));
1309 }
1310
1311 /*
1312 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1313 * ":endtry" in a sourced file or executed function. If the try
1314 * conditional is in its finally clause, ignore anything pending.
1315 * If it is in a catch clause, finish the caught exception.
1316 * Also cleanup any "cs_forinfo" structures.
1317 */
1318 do
1319 {
1320 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1321
1322 if (idx >= 0)
1323 --idx; /* remove try block not in its finally clause */
1324 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1325 &cstack.cs_looplevel);
1326 }
1327 while (cstack.cs_idx >= 0);
1328 trylevel = initial_trylevel;
1329 }
1330
1331 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1332 * lack was reported above and the error message is to be converted to an
1333 * exception, do this now after rewinding the cstack. */
1334 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1335 ? (char_u *)"endfunction" : (char_u *)NULL);
1336
1337 if (trylevel == 0)
1338 {
1339 /*
1340 * When an exception is being thrown out of the outermost try
1341 * conditional, discard the uncaught exception, disable the conversion
1342 * of interrupts or errors to exceptions, and ensure that no more
1343 * commands are executed.
1344 */
1345 if (did_throw)
1346 {
1347 void *p = NULL;
1348 char_u *saved_sourcing_name;
1349 int saved_sourcing_lnum;
1350 struct msglist *messages = NULL, *next;
1351
1352 /*
1353 * If the uncaught exception is a user exception, report it as an
1354 * error. If it is an error exception, display the saved error
1355 * message now. For an interrupt exception, do nothing; the
1356 * interrupt message is given elsewhere.
1357 */
1358 switch (current_exception->type)
1359 {
1360 case ET_USER:
1361 vim_snprintf((char *)IObuff, IOSIZE,
1362 _("E605: Exception not caught: %s"),
1363 current_exception->value);
1364 p = vim_strsave(IObuff);
1365 break;
1366 case ET_ERROR:
1367 messages = current_exception->messages;
1368 current_exception->messages = NULL;
1369 break;
1370 case ET_INTERRUPT:
1371 break;
1372 default:
1373 p = vim_strsave((char_u *)_(e_internal));
1374 }
1375
1376 saved_sourcing_name = sourcing_name;
1377 saved_sourcing_lnum = sourcing_lnum;
1378 sourcing_name = current_exception->throw_name;
1379 sourcing_lnum = current_exception->throw_lnum;
1380 current_exception->throw_name = NULL;
1381
1382 discard_current_exception(); /* uses IObuff if 'verbose' */
1383 suppress_errthrow = TRUE;
1384 force_abort = TRUE;
1385
1386 if (messages != NULL)
1387 {
1388 do
1389 {
1390 next = messages->next;
1391 emsg(messages->msg);
1392 vim_free(messages->msg);
1393 vim_free(messages);
1394 messages = next;
1395 }
1396 while (messages != NULL);
1397 }
1398 else if (p != NULL)
1399 {
1400 emsg(p);
1401 vim_free(p);
1402 }
1403 vim_free(sourcing_name);
1404 sourcing_name = saved_sourcing_name;
1405 sourcing_lnum = saved_sourcing_lnum;
1406 }
1407
1408 /*
1409 * On an interrupt or an aborting error not converted to an exception,
1410 * disable the conversion of errors to exceptions. (Interrupts are not
1411 * converted any more, here.) This enables also the interrupt message
1412 * when force_abort is set and did_emsg unset in case of an interrupt
1413 * from a finally clause after an error.
1414 */
1415 else if (got_int || (did_emsg && force_abort))
1416 suppress_errthrow = TRUE;
1417 }
1418
1419 /*
1420 * The current cstack will be freed when do_cmdline() returns. An uncaught
1421 * exception will have to be rethrown in the previous cstack. If a function
1422 * has just returned or a script file was just finished and the previous
1423 * cstack belongs to the same function or, respectively, script file, it
1424 * will have to be checked for finally clauses to be executed due to the
1425 * ":return" or ":finish". This is done in do_one_cmd().
1426 */
1427 if (did_throw)
1428 need_rethrow = TRUE;
1429 if ((getline_equal(getline, cookie, getsourceline)
1430 && ex_nesting_level > source_level(real_cookie))
1431 || (getline_equal(getline, cookie, get_func_line)
1432 && ex_nesting_level > func_level(real_cookie) + 1))
1433 {
1434 if (!did_throw)
1435 check_cstack = TRUE;
1436 }
1437 else
1438 {
1439 /* When leaving a function, reduce nesting level. */
1440 if (getline_equal(getline, cookie, get_func_line))
1441 --ex_nesting_level;
1442 /*
1443 * Go to debug mode when returning from a function in which we are
1444 * single-stepping.
1445 */
1446 if ((getline_equal(getline, cookie, getsourceline)
1447 || getline_equal(getline, cookie, get_func_line))
1448 && ex_nesting_level + 1 <= debug_break_level)
1449 do_debug(getline_equal(getline, cookie, getsourceline)
1450 ? (char_u *)_("End of sourced file")
1451 : (char_u *)_("End of function"));
1452 }
1453
1454 /*
1455 * Restore the exception environment (done after returning from the
1456 * debugger).
1457 */
1458 if (flags & DOCMD_EXCRESET)
1459 restore_dbg_stuff(&debug_saved);
1460
1461 msg_list = saved_msg_list;
1462 #endif /* FEAT_EVAL */
1463
1464 /*
1465 * If there was too much output to fit on the command line, ask the user to
1466 * hit return before redrawing the screen. With the ":global" command we do
1467 * this only once after the command is finished.
1468 */
1469 if (did_inc)
1470 {
1471 --RedrawingDisabled;
1472 --no_wait_return;
1473 msg_scroll = FALSE;
1474
1475 /*
1476 * When just finished an ":if"-":else" which was typed, no need to
1477 * wait for hit-return. Also for an error situation.
1478 */
1479 if (retval == FAIL
1480 #ifdef FEAT_EVAL
1481 || (did_endif && KeyTyped && !did_emsg)
1482 #endif
1483 )
1484 {
1485 need_wait_return = FALSE;
1486 msg_didany = FALSE; /* don't wait when restarting edit */
1487 }
1488 else if (need_wait_return)
1489 {
1490 /*
1491 * The msg_start() above clears msg_didout. The wait_return we do
1492 * here should not overwrite the command that may be shown before
1493 * doing that.
1494 */
1495 msg_didout |= msg_didout_before_start;
1496 wait_return(FALSE);
1497 }
1498 }
1499
1500 #ifndef FEAT_EVAL
1501 /*
1502 * Reset if_level, in case a sourced script file contains more ":if" than
1503 * ":endif" (could be ":if x | foo | endif").
1504 */
1505 if_level = 0;
1506 #endif
1507
1508 --call_depth;
1509 return retval;
1510 }
1511
1512 #ifdef FEAT_EVAL
1513 /*
1514 * Obtain a line when inside a ":while" or ":for" loop.
1515 */
1516 static char_u *
1517 get_loop_line(c, cookie, indent)
1518 int c;
1519 void *cookie;
1520 int indent;
1521 {
1522 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1523 wcmd_T *wp;
1524 char_u *line;
1525
1526 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1527 {
1528 if (cp->repeating)
1529 return NULL; /* trying to read past ":endwhile"/":endfor" */
1530
1531 /* First time inside the ":while"/":for": get line normally. */
1532 if (cp->getline == NULL)
1533 line = getcmdline(c, 0L, indent);
1534 else
1535 line = cp->getline(c, cp->cookie, indent);
1536 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1537 ++cp->current_line;
1538
1539 return line;
1540 }
1541
1542 KeyTyped = FALSE;
1543 ++cp->current_line;
1544 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1545 sourcing_lnum = wp->lnum;
1546 return vim_strsave(wp->line);
1547 }
1548
1549 /*
1550 * Store a line in "gap" so that a ":while" loop can execute it again.
1551 */
1552 static int
1553 store_loop_line(gap, line)
1554 garray_T *gap;
1555 char_u *line;
1556 {
1557 if (ga_grow(gap, 1) == FAIL)
1558 return FAIL;
1559 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1560 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1561 ++gap->ga_len;
1562 return OK;
1563 }
1564
1565 /*
1566 * Free the lines stored for a ":while" or ":for" loop.
1567 */
1568 static void
1569 free_cmdlines(gap)
1570 garray_T *gap;
1571 {
1572 while (gap->ga_len > 0)
1573 {
1574 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1575 --gap->ga_len;
1576 }
1577 }
1578 #endif
1579
1580 /*
1581 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1582 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1583 */
1584 /*ARGSUSED*/
1585 int
1586 getline_equal(fgetline, cookie, func)
1587 char_u *(*fgetline) __ARGS((int, void *, int));
1588 void *cookie; /* argument for fgetline() */
1589 char_u *(*func) __ARGS((int, void *, int));
1590 {
1591 #ifdef FEAT_EVAL
1592 char_u *(*gp) __ARGS((int, void *, int));
1593 struct loop_cookie *cp;
1594
1595 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1596 * function that's originally used to obtain the lines. This may be
1597 * nested several levels. */
1598 gp = fgetline;
1599 cp = (struct loop_cookie *)cookie;
1600 while (gp == get_loop_line)
1601 {
1602 gp = cp->getline;
1603 cp = cp->cookie;
1604 }
1605 return gp == func;
1606 #else
1607 return fgetline == func;
1608 #endif
1609 }
1610
1611 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1612 /*
1613 * If "fgetline" is get_loop_line(), return the cookie used by the original
1614 * getline function. Otherwise return "cookie".
1615 */
1616 /*ARGSUSED*/
1617 void *
1618 getline_cookie(fgetline, cookie)
1619 char_u *(*fgetline) __ARGS((int, void *, int));
1620 void *cookie; /* argument for fgetline() */
1621 {
1622 # ifdef FEAT_EVAL
1623 char_u *(*gp) __ARGS((int, void *, int));
1624 struct loop_cookie *cp;
1625
1626 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1627 * cookie that's originally used to obtain the lines. This may be nested
1628 * several levels. */
1629 gp = fgetline;
1630 cp = (struct loop_cookie *)cookie;
1631 while (gp == get_loop_line)
1632 {
1633 gp = cp->getline;
1634 cp = cp->cookie;
1635 }
1636 return cp;
1637 # else
1638 return cookie;
1639 # endif
1640 }
1641 #endif
1642
1643 /*
1644 * Execute one Ex command.
1645 *
1646 * If 'sourcing' is TRUE, the command will be included in the error message.
1647 *
1648 * 1. skip comment lines and leading space
1649 * 2. handle command modifiers
1650 * 3. parse range
1651 * 4. parse command
1652 * 5. parse arguments
1653 * 6. switch on command name
1654 *
1655 * Note: "fgetline" can be NULL.
1656 *
1657 * This function may be called recursively!
1658 */
1659 #if (_MSC_VER == 1200)
1660 /*
1661 * Avoid optimisation bug in VC++ version 6.0
1662 */
1663 #pragma optimize( "g", off )
1664 #endif
1665 static char_u *
1666 do_one_cmd(cmdlinep, sourcing,
1667 #ifdef FEAT_EVAL
1668 cstack,
1669 #endif
1670 fgetline, cookie)
1671 char_u **cmdlinep;
1672 int sourcing;
1673 #ifdef FEAT_EVAL
1674 struct condstack *cstack;
1675 #endif
1676 char_u *(*fgetline) __ARGS((int, void *, int));
1677 void *cookie; /* argument for fgetline() */
1678 {
1679 char_u *p;
1680 linenr_T lnum;
1681 long n;
1682 char_u *errormsg = NULL; /* error message */
1683 exarg_T ea; /* Ex command arguments */
1684 long verbose_save = -1;
1685 int save_msg_scroll = 0;
1686 int did_silent = 0;
1687 int did_esilent = 0;
1688 #ifdef HAVE_SANDBOX
1689 int did_sandbox = FALSE;
1690 #endif
1691 cmdmod_T save_cmdmod;
1692 int ni; /* set when Not Implemented */
1693
1694 vim_memset(&ea, 0, sizeof(ea));
1695 ea.line1 = 1;
1696 ea.line2 = 1;
1697 #ifdef FEAT_EVAL
1698 ++ex_nesting_level;
1699 #endif
1700
1701 /* when not editing the last file :q has to be typed twice */
1702 if (quitmore
1703 #ifdef FEAT_EVAL
1704 /* avoid that a function call in 'statusline' does this */
1705 && !getline_equal(fgetline, cookie, get_func_line)
1706 #endif
1707 )
1708 --quitmore;
1709
1710 /*
1711 * Reset browse, confirm, etc.. They are restored when returning, for
1712 * recursive calls.
1713 */
1714 save_cmdmod = cmdmod;
1715 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1716
1717 /* "#!anything" is handled like a comment. */
1718 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1719 goto doend;
1720
1721 /*
1722 * Repeat until no more command modifiers are found.
1723 */
1724 ea.cmd = *cmdlinep;
1725 for (;;)
1726 {
1727 /*
1728 * 1. skip comment lines and leading white space and colons
1729 */
1730 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1731 ++ea.cmd;
1732
1733 /* in ex mode, an empty line works like :+ */
1734 if (*ea.cmd == NUL && exmode_active
1735 && (getline_equal(fgetline, cookie, getexmodeline)
1736 || getline_equal(fgetline, cookie, getexline))
1737 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1738 {
1739 ea.cmd = (char_u *)"+";
1740 ex_pressedreturn = TRUE;
1741 }
1742
1743 /* ignore comment and empty lines */
1744 if (*ea.cmd == '"' || *ea.cmd == NUL)
1745 {
1746 ex_pressedreturn = TRUE;
1747 goto doend;
1748 }
1749
1750 /*
1751 * 2. handle command modifiers.
1752 */
1753 p = ea.cmd;
1754 if (VIM_ISDIGIT(*ea.cmd))
1755 p = skipwhite(skipdigits(ea.cmd));
1756 switch (*p)
1757 {
1758 /* When adding an entry, also modify cmd_exists(). */
1759 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1760 break;
1761 #ifdef FEAT_WINDOWS
1762 cmdmod.split |= WSP_ABOVE;
1763 #endif
1764 continue;
1765
1766 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1767 {
1768 #ifdef FEAT_WINDOWS
1769 cmdmod.split |= WSP_BELOW;
1770 #endif
1771 continue;
1772 }
1773 if (checkforcmd(&ea.cmd, "browse", 3))
1774 {
1775 #ifdef FEAT_BROWSE
1776 cmdmod.browse = TRUE;
1777 #endif
1778 continue;
1779 }
1780 if (!checkforcmd(&ea.cmd, "botright", 2))
1781 break;
1782 #ifdef FEAT_WINDOWS
1783 cmdmod.split |= WSP_BOT;
1784 #endif
1785 continue;
1786
1787 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1788 break;
1789 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1790 cmdmod.confirm = TRUE;
1791 #endif
1792 continue;
1793
1794 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1795 {
1796 cmdmod.keepmarks = TRUE;
1797 continue;
1798 }
1799 if (checkforcmd(&ea.cmd, "keepalt", 5))
1800 {
1801 cmdmod.keepalt = TRUE;
1802 continue;
1803 }
1804 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1805 break;
1806 cmdmod.keepjumps = TRUE;
1807 continue;
1808
1809 /* ":hide" and ":hide | cmd" are not modifiers */
1810 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1811 || *p == NUL || ends_excmd(*p))
1812 break;
1813 ea.cmd = p;
1814 cmdmod.hide = TRUE;
1815 continue;
1816
1817 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1818 {
1819 cmdmod.lockmarks = TRUE;
1820 continue;
1821 }
1822
1823 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1824 break;
1825 #ifdef FEAT_WINDOWS
1826 cmdmod.split |= WSP_ABOVE;
1827 #endif
1828 continue;
1829
1830 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1831 break;
1832 #ifdef FEAT_AUTOCMD
1833 if (cmdmod.save_ei == NULL)
1834 {
1835 /* Set 'eventignore' to "all". Restore the
1836 * existing option value later. */
1837 cmdmod.save_ei = vim_strsave(p_ei);
1838 set_string_option_direct((char_u *)"ei", -1,
1839 (char_u *)"all", OPT_FREE, SID_NONE);
1840 }
1841 #endif
1842 continue;
1843
1844 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1845 break;
1846 #ifdef FEAT_WINDOWS
1847 cmdmod.split |= WSP_BELOW;
1848 #endif
1849 continue;
1850
1851 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1852 {
1853 #ifdef HAVE_SANDBOX
1854 if (!did_sandbox)
1855 ++sandbox;
1856 did_sandbox = TRUE;
1857 #endif
1858 continue;
1859 }
1860 if (!checkforcmd(&ea.cmd, "silent", 3))
1861 break;
1862 ++did_silent;
1863 ++msg_silent;
1864 save_msg_scroll = msg_scroll;
1865 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1866 {
1867 /* ":silent!", but not "silent !cmd" */
1868 ea.cmd = skipwhite(ea.cmd + 1);
1869 ++emsg_silent;
1870 ++did_esilent;
1871 }
1872 continue;
1873
1874 case 't': if (checkforcmd(&p, "tab", 3))
1875 {
1876 #ifdef FEAT_WINDOWS
1877 if (vim_isdigit(*ea.cmd))
1878 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1879 else
1880 cmdmod.tab = tabpage_index(curtab) + 1;
1881 ea.cmd = p;
1882 #endif
1883 continue;
1884 }
1885 if (!checkforcmd(&ea.cmd, "topleft", 2))
1886 break;
1887 #ifdef FEAT_WINDOWS
1888 cmdmod.split |= WSP_TOP;
1889 #endif
1890 continue;
1891
1892 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1893 {
1894 #ifdef FEAT_VERTSPLIT
1895 cmdmod.split |= WSP_VERT;
1896 #endif
1897 continue;
1898 }
1899 if (!checkforcmd(&p, "verbose", 4))
1900 break;
1901 if (verbose_save < 0)
1902 verbose_save = p_verbose;
1903 if (vim_isdigit(*ea.cmd))
1904 p_verbose = atoi((char *)ea.cmd);
1905 else
1906 p_verbose = 1;
1907 ea.cmd = p;
1908 continue;
1909 }
1910 break;
1911 }
1912
1913 #ifdef FEAT_EVAL
1914 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1915 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1916 #else
1917 ea.skip = (if_level > 0);
1918 #endif
1919
1920 #ifdef FEAT_EVAL
1921 # ifdef FEAT_PROFILE
1922 /* Count this line for profiling if ea.skip is FALSE. */
1923 if (do_profiling == PROF_YES && !ea.skip)
1924 {
1925 if (getline_equal(fgetline, cookie, get_func_line))
1926 func_line_exec(getline_cookie(fgetline, cookie));
1927 else if (getline_equal(fgetline, cookie, getsourceline))
1928 script_line_exec();
1929 }
1930 #endif
1931
1932 /* May go to debug mode. If this happens and the ">quit" debug command is
1933 * used, throw an interrupt exception and skip the next command. */
1934 dbg_check_breakpoint(&ea);
1935 if (!ea.skip && got_int)
1936 {
1937 ea.skip = TRUE;
1938 (void)do_intthrow(cstack);
1939 }
1940 #endif
1941
1942 /*
1943 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1944 *
1945 * where 'addr' is:
1946 *
1947 * % (entire file)
1948 * $ [+-NUM]
1949 * 'x [+-NUM] (where x denotes a currently defined mark)
1950 * . [+-NUM]
1951 * [+-NUM]..
1952 * NUM
1953 *
1954 * The ea.cmd pointer is updated to point to the first character following the
1955 * range spec. If an initial address is found, but no second, the upper bound
1956 * is equal to the lower.
1957 */
1958
1959 /* repeat for all ',' or ';' separated addresses */
1960 for (;;)
1961 {
1962 ea.line1 = ea.line2;
1963 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1964 ea.cmd = skipwhite(ea.cmd);
1965 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1966 if (ea.cmd == NULL) /* error detected */
1967 goto doend;
1968 if (lnum == MAXLNUM)
1969 {
1970 if (*ea.cmd == '%') /* '%' - all lines */
1971 {
1972 ++ea.cmd;
1973 ea.line1 = 1;
1974 ea.line2 = curbuf->b_ml.ml_line_count;
1975 ++ea.addr_count;
1976 }
1977 /* '*' - visual area */
1978 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1979 {
1980 pos_T *fp;
1981
1982 ++ea.cmd;
1983 if (!ea.skip)
1984 {
1985 fp = getmark('<', FALSE);
1986 if (check_mark(fp) == FAIL)
1987 goto doend;
1988 ea.line1 = fp->lnum;
1989 fp = getmark('>', FALSE);
1990 if (check_mark(fp) == FAIL)
1991 goto doend;
1992 ea.line2 = fp->lnum;
1993 ++ea.addr_count;
1994 }
1995 }
1996 }
1997 else
1998 ea.line2 = lnum;
1999 ea.addr_count++;
2000
2001 if (*ea.cmd == ';')
2002 {
2003 if (!ea.skip)
2004 curwin->w_cursor.lnum = ea.line2;
2005 }
2006 else if (*ea.cmd != ',')
2007 break;
2008 ++ea.cmd;
2009 }
2010
2011 /* One address given: set start and end lines */
2012 if (ea.addr_count == 1)
2013 {
2014 ea.line1 = ea.line2;
2015 /* ... but only implicit: really no address given */
2016 if (lnum == MAXLNUM)
2017 ea.addr_count = 0;
2018 }
2019
2020 /* Don't leave the cursor on an illegal line (caused by ';') */
2021 check_cursor_lnum();
2022
2023 /*
2024 * 4. parse command
2025 */
2026
2027 /*
2028 * Skip ':' and any white space
2029 */
2030 ea.cmd = skipwhite(ea.cmd);
2031 while (*ea.cmd == ':')
2032 ea.cmd = skipwhite(ea.cmd + 1);
2033
2034 /*
2035 * If we got a line, but no command, then go to the line.
2036 * If we find a '|' or '\n' we set ea.nextcmd.
2037 */
2038 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2039 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2040 {
2041 /*
2042 * strange vi behaviour:
2043 * ":3" jumps to line 3
2044 * ":3|..." prints line 3
2045 * ":|" prints current line
2046 */
2047 if (ea.skip) /* skip this if inside :if */
2048 goto doend;
2049 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2050 {
2051 ea.cmdidx = CMD_print;
2052 ea.argt = RANGE+COUNT+TRLBAR;
2053 if ((errormsg = invalid_range(&ea)) == NULL)
2054 {
2055 correct_range(&ea);
2056 ex_print(&ea);
2057 }
2058 }
2059 else if (ea.addr_count != 0)
2060 {
2061 if (ea.line2 > curbuf->b_ml.ml_line_count)
2062 {
2063 /* With '-' in 'cpoptions' a line number past the file is an
2064 * error, otherwise put it at the end of the file. */
2065 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2066 ea.line2 = -1;
2067 else
2068 ea.line2 = curbuf->b_ml.ml_line_count;
2069 }
2070
2071 if (ea.line2 < 0)
2072 errormsg = (char_u *)_(e_invrange);
2073 else
2074 {
2075 if (ea.line2 == 0)
2076 curwin->w_cursor.lnum = 1;
2077 else
2078 curwin->w_cursor.lnum = ea.line2;
2079 beginline(BL_SOL | BL_FIX);
2080 }
2081 }
2082 goto doend;
2083 }
2084
2085 /* Find the command and let "p" point to after it. */
2086 p = find_command(&ea, NULL);
2087
2088 #ifdef FEAT_USR_CMDS
2089 if (p == NULL)
2090 {
2091 if (!ea.skip)
2092 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2093 goto doend;
2094 }
2095 /* Check for wrong commands. */
2096 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2097 {
2098 errormsg = uc_fun_cmd();
2099 goto doend;
2100 }
2101 #endif
2102 if (ea.cmdidx == CMD_SIZE)
2103 {
2104 if (!ea.skip)
2105 {
2106 STRCPY(IObuff, _("E492: Not an editor command"));
2107 if (!sourcing)
2108 {
2109 STRCAT(IObuff, ": ");
2110 STRNCAT(IObuff, *cmdlinep, 40);
2111 }
2112 errormsg = IObuff;
2113 }
2114 goto doend;
2115 }
2116
2117 ni = (
2118 #ifdef FEAT_USR_CMDS
2119 !USER_CMDIDX(ea.cmdidx) &&
2120 #endif
2121 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2122 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni));
2123
2124 #ifndef FEAT_EVAL
2125 /*
2126 * When the expression evaluation is disabled, recognize the ":if" and
2127 * ":endif" commands and ignore everything in between it.
2128 */
2129 if (ea.cmdidx == CMD_if)
2130 ++if_level;
2131 if (if_level)
2132 {
2133 if (ea.cmdidx == CMD_endif)
2134 --if_level;
2135 goto doend;
2136 }
2137
2138 #endif
2139
2140 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
2141 {
2142 ++p;
2143 ea.forceit = TRUE;
2144 }
2145 else
2146 ea.forceit = FALSE;
2147
2148 /*
2149 * 5. parse arguments
2150 */
2151 #ifdef FEAT_USR_CMDS
2152 if (!USER_CMDIDX(ea.cmdidx))
2153 #endif
2154 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2155
2156 if (!ea.skip)
2157 {
2158 #ifdef HAVE_SANDBOX
2159 if (sandbox != 0 && !(ea.argt & SBOXOK))
2160 {
2161 /* Command not allowed in sandbox. */
2162 errormsg = (char_u *)_(e_sandbox);
2163 goto doend;
2164 }
2165 #endif
2166 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2167 {
2168 /* Command not allowed in non-'modifiable' buffer */
2169 errormsg = (char_u *)_(e_modifiable);
2170 goto doend;
2171 }
2172
2173 if (text_locked() && !(ea.argt & CMDWIN)
2174 # ifdef FEAT_USR_CMDS
2175 && !USER_CMDIDX(ea.cmdidx)
2176 # endif
2177 )
2178 {
2179 /* Command not allowed when editing the command line. */
2180 #ifdef FEAT_CMDWIN
2181 if (cmdwin_type != 0)
2182 errormsg = (char_u *)_(e_cmdwin);
2183 else
2184 #endif
2185 errormsg = (char_u *)_(e_secure);
2186 goto doend;
2187 }
2188 #ifdef FEAT_AUTOCMD
2189 /* Disallow editing another buffer when "curbuf_lock" is set.
2190 * Do allow ":edit" (check for argument later).
2191 * Do allow ":checktime" (it's postponed). */
2192 if (!(ea.argt & CMDWIN)
2193 && ea.cmdidx != CMD_edit
2194 && ea.cmdidx != CMD_checktime
2195 # ifdef FEAT_USR_CMDS
2196 && !USER_CMDIDX(ea.cmdidx)
2197 # endif
2198 && curbuf_locked())
2199 goto doend;
2200 #endif
2201
2202 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2203 {
2204 /* no range allowed */
2205 errormsg = (char_u *)_(e_norange);
2206 goto doend;
2207 }
2208 }
2209
2210 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2211 {
2212 errormsg = (char_u *)_(e_nobang);
2213 goto doend;
2214 }
2215
2216 /*
2217 * Don't complain about the range if it is not used
2218 * (could happen if line_count is accidentally set to 0).
2219 */
2220 if (!ea.skip && !ni)
2221 {
2222 /*
2223 * If the range is backwards, ask for confirmation and, if given, swap
2224 * ea.line1 & ea.line2 so it's forwards again.
2225 * When global command is busy, don't ask, will fail below.
2226 */
2227 if (!global_busy && ea.line1 > ea.line2)
2228 {
2229 if (msg_silent == 0)
2230 {
2231 if (sourcing || exmode_active)
2232 {
2233 errormsg = (char_u *)_("E493: Backwards range given");
2234 goto doend;
2235 }
2236 if (ask_yesno((char_u *)
2237 _("Backwards range given, OK to swap"), FALSE) != 'y')
2238 goto doend;
2239 }
2240 lnum = ea.line1;
2241 ea.line1 = ea.line2;
2242 ea.line2 = lnum;
2243 }
2244 if ((errormsg = invalid_range(&ea)) != NULL)
2245 goto doend;
2246 }
2247
2248 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2249 ea.line2 = 1;
2250
2251 correct_range(&ea);
2252
2253 #ifdef FEAT_FOLDING
2254 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2255 {
2256 /* Put the first line at the start of a closed fold, put the last line
2257 * at the end of a closed fold. */
2258 (void)hasFolding(ea.line1, &ea.line1, NULL);
2259 (void)hasFolding(ea.line2, NULL, &ea.line2);
2260 }
2261 #endif
2262
2263 #ifdef FEAT_QUICKFIX
2264 /*
2265 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2266 * option here, so things like % get expanded.
2267 */
2268 p = replace_makeprg(&ea, p, cmdlinep);
2269 if (p == NULL)
2270 goto doend;
2271 #endif
2272
2273 /*
2274 * Skip to start of argument.
2275 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2276 */
2277 if (ea.cmdidx == CMD_bang)
2278 ea.arg = p;
2279 else
2280 ea.arg = skipwhite(p);
2281
2282 /*
2283 * Check for "++opt=val" argument.
2284 * Must be first, allow ":w ++enc=utf8 !cmd"
2285 */
2286 if (ea.argt & ARGOPT)
2287 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2288 if (getargopt(&ea) == FAIL && !ni)
2289 {
2290 errormsg = (char_u *)_(e_invarg);
2291 goto doend;
2292 }
2293
2294 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2295 {
2296 if (*ea.arg == '>') /* append */
2297 {
2298 if (*++ea.arg != '>') /* typed wrong */
2299 {
2300 errormsg = (char_u *)_("E494: Use w or w>>");
2301 goto doend;
2302 }
2303 ea.arg = skipwhite(ea.arg + 1);
2304 ea.append = TRUE;
2305 }
2306 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2307 {
2308 ++ea.arg;
2309 ea.usefilter = TRUE;
2310 }
2311 }
2312
2313 if (ea.cmdidx == CMD_read)
2314 {
2315 if (ea.forceit)
2316 {
2317 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2318 ea.forceit = FALSE;
2319 }
2320 else if (*ea.arg == '!') /* :r !filter */
2321 {
2322 ++ea.arg;
2323 ea.usefilter = TRUE;
2324 }
2325 }
2326
2327 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2328 {
2329 ea.amount = 1;
2330 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2331 {
2332 ++ea.arg;
2333 ++ea.amount;
2334 }
2335 ea.arg = skipwhite(ea.arg);
2336 }
2337
2338 /*
2339 * Check for "+command" argument, before checking for next command.
2340 * Don't do this for ":read !cmd" and ":write !cmd".
2341 */
2342 if ((ea.argt & EDITCMD) && !ea.usefilter)
2343 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2344
2345 /*
2346 * Check for '|' to separate commands and '"' to start comments.
2347 * Don't do this for ":read !cmd" and ":write !cmd".
2348 */
2349 if ((ea.argt & TRLBAR) && !ea.usefilter)
2350 separate_nextcmd(&ea);
2351
2352 /*
2353 * Check for <newline> to end a shell command.
2354 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2355 * Any others?
2356 */
2357 else if (ea.cmdidx == CMD_bang
2358 || ea.cmdidx == CMD_global
2359 || ea.cmdidx == CMD_vglobal
2360 || ea.usefilter)
2361 {
2362 for (p = ea.arg; *p; ++p)
2363 {
2364 /* Remove one backslash before a newline, so that it's possible to
2365 * pass a newline to the shell and also a newline that is preceded
2366 * with a backslash. This makes it impossible to end a shell
2367 * command in a backslash, but that doesn't appear useful.
2368 * Halving the number of backslashes is incompatible with previous
2369 * versions. */
2370 if (*p == '\\' && p[1] == '\n')
2371 mch_memmove(p, p + 1, STRLEN(p));
2372 else if (*p == '\n')
2373 {
2374 ea.nextcmd = p + 1;
2375 *p = NUL;
2376 break;
2377 }
2378 }
2379 }
2380
2381 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2382 {
2383 ea.line1 = 1;
2384 ea.line2 = curbuf->b_ml.ml_line_count;
2385 }
2386
2387 /* accept numbered register only when no count allowed (:put) */
2388 if ( (ea.argt & REGSTR)
2389 && *ea.arg != NUL
2390 #ifdef FEAT_USR_CMDS
2391 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2392 && USER_CMDIDX(ea.cmdidx)))
2393 /* Do not allow register = for user commands */
2394 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2395 #else
2396 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2397 #endif
2398 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2399 {
2400 ea.regname = *ea.arg++;
2401 #ifdef FEAT_EVAL
2402 /* for '=' register: accept the rest of the line as an expression */
2403 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2404 {
2405 set_expr_line(vim_strsave(ea.arg));
2406 ea.arg += STRLEN(ea.arg);
2407 }
2408 #endif
2409 ea.arg = skipwhite(ea.arg);
2410 }
2411
2412 /*
2413 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2414 * count, it's a buffer name.
2415 */
2416 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2417 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2418 || vim_iswhite(*p)))
2419 {
2420 n = getdigits(&ea.arg);
2421 ea.arg = skipwhite(ea.arg);
2422 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2423 {
2424 errormsg = (char_u *)_(e_zerocount);
2425 goto doend;
2426 }
2427 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2428 {
2429 ea.line2 = n;
2430 if (ea.addr_count == 0)
2431 ea.addr_count = 1;
2432 }
2433 else
2434 {
2435 ea.line1 = ea.line2;
2436 ea.line2 += n - 1;
2437 ++ea.addr_count;
2438 /*
2439 * Be vi compatible: no error message for out of range.
2440 */
2441 if (ea.line2 > curbuf->b_ml.ml_line_count)
2442 ea.line2 = curbuf->b_ml.ml_line_count;
2443 }
2444 }
2445
2446 /*
2447 * Check for flags: 'l', 'p' and '#'.
2448 */
2449 if (ea.argt & EXFLAGS)
2450 get_flags(&ea);
2451 /* no arguments allowed */
2452 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2453 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2454 {
2455 errormsg = (char_u *)_(e_trailing);
2456 goto doend;
2457 }
2458
2459 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2460 {
2461 errormsg = (char_u *)_(e_argreq);
2462 goto doend;
2463 }
2464
2465 #ifdef FEAT_EVAL
2466 /*
2467 * Skip the command when it's not going to be executed.
2468 * The commands like :if, :endif, etc. always need to be executed.
2469 * Also make an exception for commands that handle a trailing command
2470 * themselves.
2471 */
2472 if (ea.skip)
2473 {
2474 switch (ea.cmdidx)
2475 {
2476 /* commands that need evaluation */
2477 case CMD_while:
2478 case CMD_endwhile:
2479 case CMD_for:
2480 case CMD_endfor:
2481 case CMD_if:
2482 case CMD_elseif:
2483 case CMD_else:
2484 case CMD_endif:
2485 case CMD_try:
2486 case CMD_catch:
2487 case CMD_finally:
2488 case CMD_endtry:
2489 case CMD_function:
2490 break;
2491
2492 /* Commands that handle '|' themselves. Check: A command should
2493 * either have the TRLBAR flag, appear in this list or appear in
2494 * the list at ":help :bar". */
2495 case CMD_aboveleft:
2496 case CMD_and:
2497 case CMD_belowright:
2498 case CMD_botright:
2499 case CMD_browse:
2500 case CMD_call:
2501 case CMD_confirm:
2502 case CMD_delfunction:
2503 case CMD_djump:
2504 case CMD_dlist:
2505 case CMD_dsearch:
2506 case CMD_dsplit:
2507 case CMD_echo:
2508 case CMD_echoerr:
2509 case CMD_echomsg:
2510 case CMD_echon:
2511 case CMD_execute:
2512 case CMD_help:
2513 case CMD_hide:
2514 case CMD_ijump:
2515 case CMD_ilist:
2516 case CMD_isearch:
2517 case CMD_isplit:
2518 case CMD_keepalt:
2519 case CMD_keepjumps:
2520 case CMD_keepmarks:
2521 case CMD_leftabove:
2522 case CMD_let:
2523 case CMD_lockmarks:
2524 case CMD_match:
2525 case CMD_mzscheme:
2526 case CMD_perl:
2527 case CMD_psearch:
2528 case CMD_python:
2529 case CMD_return:
2530 case CMD_rightbelow:
2531 case CMD_ruby:
2532 case CMD_silent:
2533 case CMD_smagic:
2534 case CMD_snomagic:
2535 case CMD_substitute:
2536 case CMD_syntax:
2537 case CMD_tab:
2538 case CMD_tcl:
2539 case CMD_throw:
2540 case CMD_tilde:
2541 case CMD_topleft:
2542 case CMD_unlet:
2543 case CMD_verbose:
2544 case CMD_vertical:
2545 break;
2546
2547 default: goto doend;
2548 }
2549 }
2550 #endif
2551
2552 if (ea.argt & XFILE)
2553 {
2554 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2555 goto doend;
2556 }
2557
2558 #ifdef FEAT_LISTCMDS
2559 /*
2560 * Accept buffer name. Cannot be used at the same time with a buffer
2561 * number. Don't do this for a user command.
2562 */
2563 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2564 # ifdef FEAT_USR_CMDS
2565 && !USER_CMDIDX(ea.cmdidx)
2566 # endif
2567 )
2568 {
2569 /*
2570 * :bdelete, :bwipeout and :bunload take several arguments, separated
2571 * by spaces: find next space (skipping over escaped characters).
2572 * The others take one argument: ignore trailing spaces.
2573 */
2574 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2575 || ea.cmdidx == CMD_bunload)
2576 p = skiptowhite_esc(ea.arg);
2577 else
2578 {
2579 p = ea.arg + STRLEN(ea.arg);
2580 while (p > ea.arg && vim_iswhite(p[-1]))
2581 --p;
2582 }
2583 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2584 if (ea.line2 < 0) /* failed */
2585 goto doend;
2586 ea.addr_count = 1;
2587 ea.arg = skipwhite(p);
2588 }
2589 #endif
2590
2591 /*
2592 * 6. switch on command name
2593 *
2594 * The "ea" structure holds the arguments that can be used.
2595 */
2596 ea.cmdlinep = cmdlinep;
2597 ea.getline = fgetline;
2598 ea.cookie = cookie;
2599 #ifdef FEAT_EVAL
2600 ea.cstack = cstack;
2601 #endif
2602
2603 #ifdef FEAT_USR_CMDS
2604 if (USER_CMDIDX(ea.cmdidx))
2605 {
2606 /*
2607 * Execute a user-defined command.
2608 */
2609 do_ucmd(&ea);
2610 }
2611 else
2612 #endif
2613 {
2614 /*
2615 * Call the function to execute the command.
2616 */
2617 ea.errmsg = NULL;
2618 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2619 if (ea.errmsg != NULL)
2620 errormsg = (char_u *)_(ea.errmsg);
2621 }
2622
2623 #ifdef FEAT_EVAL
2624 /*
2625 * If the command just executed called do_cmdline(), any throw or ":return"
2626 * or ":finish" encountered there must also check the cstack of the still
2627 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2628 * exception, or reanimate a returned function or finished script file and
2629 * return or finish it again.
2630 */
2631 if (need_rethrow)
2632 do_throw(cstack);
2633 else if (check_cstack)
2634 {
2635 if (source_finished(fgetline, cookie))
2636 do_finish(&ea, TRUE);
2637 else if (getline_equal(fgetline, cookie, get_func_line)
2638 && current_func_returned())
2639 do_return(&ea, TRUE, FALSE, NULL);
2640 }
2641 need_rethrow = check_cstack = FALSE;
2642 #endif
2643
2644 doend:
2645 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2646 curwin->w_cursor.lnum = 1;
2647
2648 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2649 {
2650 if (sourcing)
2651 {
2652 if (errormsg != IObuff)
2653 {
2654 STRCPY(IObuff, errormsg);
2655 errormsg = IObuff;
2656 }
2657 STRCAT(errormsg, ": ");
2658 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff));
2659 }
2660 emsg(errormsg);
2661 }
2662 #ifdef FEAT_EVAL
2663 do_errthrow(cstack,
2664 (ea.cmdidx != CMD_SIZE
2665 # ifdef FEAT_USR_CMDS
2666 && !USER_CMDIDX(ea.cmdidx)
2667 # endif
2668 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2669 #endif
2670
2671 if (verbose_save >= 0)
2672 p_verbose = verbose_save;
2673 #ifdef FEAT_AUTOCMD
2674 if (cmdmod.save_ei != NULL)
2675 {
2676 /* Restore 'eventignore' to the value before ":noautocmd". */
2677 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2678 OPT_FREE, SID_NONE);
2679 free_string_option(cmdmod.save_ei);
2680 }
2681 #endif
2682
2683 cmdmod = save_cmdmod;
2684
2685 if (did_silent > 0)
2686 {
2687 /* messages could be enabled for a serious error, need to check if the
2688 * counters don't become negative */
2689 msg_silent -= did_silent;
2690 if (msg_silent < 0)
2691 msg_silent = 0;
2692 emsg_silent -= did_esilent;
2693 if (emsg_silent < 0)
2694 emsg_silent = 0;
2695 /* Restore msg_scroll, it's set by file I/O commands, even when no
2696 * message is actually displayed. */
2697 msg_scroll = save_msg_scroll;
2698 }
2699
2700 #ifdef HAVE_SANDBOX
2701 if (did_sandbox)
2702 --sandbox;
2703 #endif
2704
2705 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2706 ea.nextcmd = NULL;
2707
2708 #ifdef FEAT_EVAL
2709 --ex_nesting_level;
2710 #endif
2711
2712 return ea.nextcmd;
2713 }
2714 #if (_MSC_VER == 1200)
2715 #pragma optimize( "", on )
2716 #endif
2717
2718 /*
2719 * Check for an Ex command with optional tail.
2720 * If there is a match advance "pp" to the argument and return TRUE.
2721 */
2722 int
2723 checkforcmd(pp, cmd, len)
2724 char_u **pp; /* start of command */
2725 char *cmd; /* name of command */
2726 int len; /* required length */
2727 {
2728 int i;
2729
2730 for (i = 0; cmd[i] != NUL; ++i)
2731 if (cmd[i] != (*pp)[i])
2732 break;
2733 if (i >= len && !isalpha((*pp)[i]))
2734 {
2735 *pp = skipwhite(*pp + i);
2736 return TRUE;
2737 }
2738 return FALSE;
2739 }
2740
2741 /*
2742 * Find an Ex command by its name, either built-in or user.
2743 * Start of the name can be found at eap->cmd.
2744 * Returns pointer to char after the command name.
2745 * "full" is set to TRUE if the whole command name matched.
2746 * Returns NULL for an ambiguous user command.
2747 */
2748 /*ARGSUSED*/
2749 static char_u *
2750 find_command(eap, full)
2751 exarg_T *eap;
2752 int *full;
2753 {
2754 int len;
2755 char_u *p;
2756 int i;
2757
2758 /*
2759 * Isolate the command and search for it in the command table.
2760 * Exeptions:
2761 * - the 'k' command can directly be followed by any character.
2762 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2763 * but :sre[wind] is another command, as are :scrip[tnames],
2764 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2765 * - the "d" command can directly be followed by 'l' or 'p' flag.
2766 */
2767 p = eap->cmd;
2768 if (*p == 'k')
2769 {
2770 eap->cmdidx = CMD_k;
2771 ++p;
2772 }
2773 else if (p[0] == 's'
2774 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2775 && p[3] != 'i' && p[4] != 'p')
2776 || p[1] == 'g'
2777 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2778 || p[1] == 'I'
2779 || (p[1] == 'r' && p[2] != 'e')))
2780 {
2781 eap->cmdidx = CMD_substitute;
2782 ++p;
2783 }
2784 else
2785 {
2786 while (ASCII_ISALPHA(*p))
2787 ++p;
2788 /* check for non-alpha command */
2789 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2790 ++p;
2791 len = (int)(p - eap->cmd);
2792 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2793 {
2794 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2795 * :delete with the 'l' flag. Same for 'p'. */
2796 for (i = 0; i < len; ++i)
2797 if (eap->cmd[i] != "delete"[i])
2798 break;
2799 if (i == len - 1)
2800 {
2801 --len;
2802 if (p[-1] == 'l')
2803 eap->flags |= EXFLAG_LIST;
2804 else
2805 eap->flags |= EXFLAG_PRINT;
2806 }
2807 }
2808
2809 if (ASCII_ISLOWER(*eap->cmd))
2810 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2811 else
2812 eap->cmdidx = cmdidxs[26];
2813
2814 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2815 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2816 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2817 (size_t)len) == 0)
2818 {
2819 #ifdef FEAT_EVAL
2820 if (full != NULL
2821 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2822 *full = TRUE;
2823 #endif
2824 break;
2825 }
2826
2827 #ifdef FEAT_USR_CMDS
2828 /* Look for a user defined command as a last resort */
2829 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2830 {
2831 /* User defined commands may contain digits. */
2832 while (ASCII_ISALNUM(*p))
2833 ++p;
2834 p = find_ucmd(eap, p, full, NULL, NULL);
2835 }
2836 #endif
2837 if (p == eap->cmd)
2838 eap->cmdidx = CMD_SIZE;
2839 }
2840
2841 return p;
2842 }
2843
2844 #ifdef FEAT_USR_CMDS
2845 /*
2846 * Search for a user command that matches "eap->cmd".
2847 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2848 * Return a pointer to just after the command.
2849 * Return NULL if there is no matching command.
2850 */
2851 static char_u *
2852 find_ucmd(eap, p, full, xp, compl)
2853 exarg_T *eap;
2854 char_u *p; /* end of the command (possibly including count) */
2855 int *full; /* set to TRUE for a full match */
2856 expand_T *xp; /* used for completion, NULL otherwise */
2857 int *compl; /* completion flags or NULL */
2858 {
2859 int len = (int)(p - eap->cmd);
2860 int j, k, matchlen = 0;
2861 ucmd_T *uc;
2862 int found = FALSE;
2863 int possible = FALSE;
2864 char_u *cp, *np; /* Point into typed cmd and test name */
2865 garray_T *gap;
2866 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2867 only full match global is accepted. */
2868
2869 /*
2870 * Look for buffer-local user commands first, then global ones.
2871 */
2872 gap = &curbuf->b_ucmds;
2873 for (;;)
2874 {
2875 for (j = 0; j < gap->ga_len; ++j)
2876 {
2877 uc = USER_CMD_GA(gap, j);
2878 cp = eap->cmd;
2879 np = uc->uc_name;
2880 k = 0;
2881 while (k < len && *np != NUL && *cp++ == *np++)
2882 k++;
2883 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2884 {
2885 /* If finding a second match, the command is ambiguous. But
2886 * not if a buffer-local command wasn't a full match and a
2887 * global command is a full match. */
2888 if (k == len && found && *np != NUL)
2889 {
2890 if (gap == &ucmds)
2891 return NULL;
2892 amb_local = TRUE;
2893 }
2894
2895 if (!found || (k == len && *np == NUL))
2896 {
2897 /* If we matched up to a digit, then there could
2898 * be another command including the digit that we
2899 * should use instead.
2900 */
2901 if (k == len)
2902 found = TRUE;
2903 else
2904 possible = TRUE;
2905
2906 if (gap == &ucmds)
2907 eap->cmdidx = CMD_USER;
2908 else
2909 eap->cmdidx = CMD_USER_BUF;
2910 eap->argt = (long)uc->uc_argt;
2911 eap->useridx = j;
2912
2913 # ifdef FEAT_CMDL_COMPL
2914 if (compl != NULL)
2915 *compl = uc->uc_compl;
2916 # ifdef FEAT_EVAL
2917 if (xp != NULL)
2918 {
2919 xp->xp_arg = uc->uc_compl_arg;
2920 xp->xp_scriptID = uc->uc_scriptID;
2921 }
2922 # endif
2923 # endif
2924 /* Do not search for further abbreviations
2925 * if this is an exact match. */
2926 matchlen = k;
2927 if (k == len && *np == NUL)
2928 {
2929 if (full != NULL)
2930 *full = TRUE;
2931 amb_local = FALSE;
2932 break;
2933 }
2934 }
2935 }
2936 }
2937
2938 /* Stop if we found a full match or searched all. */
2939 if (j < gap->ga_len || gap == &ucmds)
2940 break;
2941 gap = &ucmds;
2942 }
2943
2944 /* Only found ambiguous matches. */
2945 if (amb_local)
2946 {
2947 if (xp != NULL)
2948 xp->xp_context = EXPAND_UNSUCCESSFUL;
2949 return NULL;
2950 }
2951
2952 /* The match we found may be followed immediately by a number. Move "p"
2953 * back to point to it. */
2954 if (found || possible)
2955 return p + (matchlen - len);
2956 return p;
2957 }
2958 #endif
2959
2960 #if defined(FEAT_EVAL) || defined(PROTO)
2961 /*
2962 * Return > 0 if an Ex command "name" exists.
2963 * Return 2 if there is an exact match.
2964 * Return 3 if there is an ambiguous match.
2965 */
2966 int
2967 cmd_exists(name)
2968 char_u *name;
2969 {
2970 exarg_T ea;
2971 int full = FALSE;
2972 int i;
2973 int j;
2974 char_u *p;
2975 static struct cmdmod
2976 {
2977 char *name;
2978 int minlen;
2979 } cmdmods[] = {
2980 {"aboveleft", 3},
2981 {"belowright", 3},
2982 {"botright", 2},
2983 {"browse", 3},
2984 {"confirm", 4},
2985 {"hide", 3},
2986 {"keepalt", 5},
2987 {"keepjumps", 5},
2988 {"keepmarks", 3},
2989 {"leftabove", 5},
2990 {"lockmarks", 3},
2991 {"rightbelow", 6},
2992 {"sandbox", 3},
2993 {"silent", 3},
2994 {"tab", 3},
2995 {"topleft", 2},
2996 {"verbose", 4},
2997 {"vertical", 4},
2998 };
2999
3000 /* Check command modifiers. */
3001 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3002 {
3003 for (j = 0; name[j] != NUL; ++j)
3004 if (name[j] != cmdmods[i].name[j])
3005 break;
3006 if (name[j] == NUL && j >= cmdmods[i].minlen)
3007 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3008 }
3009
3010 /* Check built-in commands and user defined commands.
3011 * For ":2match" and ":3match" we need to skip the number. */
3012 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3013 ea.cmdidx = (cmdidx_T)0;
3014 p = find_command(&ea, &full);
3015 if (p == NULL)
3016 return 3;
3017 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3018 return 0;
3019 if (*skipwhite(p) != NUL)
3020 return 0; /* trailing garbage */
3021 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3022 }
3023 #endif
3024
3025 /*
3026 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3027 * we don't need/want deleted. Maybe this could be done better if we didn't
3028 * repeat all this stuff. The only problem is that they may not stay
3029 * perfectly compatible with each other, but then the command line syntax
3030 * probably won't change that much -- webb.
3031 */
3032 char_u *
3033 set_one_cmd_context(xp, buff)
3034 expand_T *xp;
3035 char_u *buff; /* buffer for command string */
3036 {
3037 char_u *p;
3038 char_u *cmd, *arg;
3039 int len = 0;
3040 exarg_T ea;
3041 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3042 int compl = EXPAND_NOTHING;
3043 #endif
3044 #ifdef FEAT_CMDL_COMPL
3045 int delim;
3046 #endif
3047 int forceit = FALSE;
3048 int usefilter = FALSE; /* filter instead of file name */
3049
3050 ExpandInit(xp);
3051 xp->xp_pattern = buff;
3052 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3053 ea.argt = 0;
3054
3055 /*
3056 * 2. skip comment lines and leading space, colons or bars
3057 */
3058 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3059 ;
3060 xp->xp_pattern = cmd;
3061
3062 if (*cmd == NUL)
3063 return NULL;
3064 if (*cmd == '"') /* ignore comment lines */
3065 {
3066 xp->xp_context = EXPAND_NOTHING;
3067 return NULL;
3068 }
3069
3070 /*
3071 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3072 */
3073 cmd = skip_range(cmd, &xp->xp_context);
3074
3075 /*
3076 * 4. parse command
3077 */
3078 xp->xp_pattern = cmd;
3079 if (*cmd == NUL)
3080 return NULL;
3081 if (*cmd == '"')
3082 {
3083 xp->xp_context = EXPAND_NOTHING;
3084 return NULL;
3085 }
3086
3087 if (*cmd == '|' || *cmd == '\n')
3088 return cmd + 1; /* There's another command */
3089
3090 /*
3091 * Isolate the command and search for it in the command table.
3092 * Exceptions:
3093 * - the 'k' command can directly be followed by any character, but
3094 * do accept "keepmarks", "keepalt" and "keepjumps".
3095 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3096 */
3097 if (*cmd == 'k' && cmd[1] != 'e')
3098 {
3099 ea.cmdidx = CMD_k;
3100 p = cmd + 1;
3101 }
3102 else
3103 {
3104 p = cmd;
3105 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3106 ++p;
3107 /* check for non-alpha command */
3108 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3109 ++p;
3110 len = (int)(p - cmd);
3111
3112 if (len == 0)
3113 {
3114 xp->xp_context = EXPAND_UNSUCCESSFUL;
3115 return NULL;
3116 }
3117 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3118 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3119 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3120 break;
3121
3122 #ifdef FEAT_USR_CMDS
3123 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3124 {
3125 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3126 ++p;
3127 len = (int)(p - cmd);
3128 }
3129 #endif
3130 }
3131
3132 /*
3133 * If the cursor is touching the command, and it ends in an alpha-numeric
3134 * character, complete the command name.
3135 */
3136 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3137 return NULL;
3138
3139 if (ea.cmdidx == CMD_SIZE)
3140 {
3141 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3142 {
3143 ea.cmdidx = CMD_substitute;
3144 p = cmd + 1;
3145 }
3146 #ifdef FEAT_USR_CMDS
3147 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3148 {
3149 ea.cmd = cmd;
3150 p = find_ucmd(&ea, p, NULL, xp,
3151 # if defined(FEAT_CMDL_COMPL)
3152 &compl
3153 # else
3154 NULL
3155 # endif
3156 );
3157 if (p == NULL)
3158 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3159 }
3160 #endif
3161 }
3162 if (ea.cmdidx == CMD_SIZE)
3163 {
3164 /* Not still touching the command and it was an illegal one */
3165 xp->xp_context = EXPAND_UNSUCCESSFUL;
3166 return NULL;
3167 }
3168
3169 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3170
3171 if (*p == '!') /* forced commands */
3172 {
3173 forceit = TRUE;
3174 ++p;
3175 }
3176
3177 /*
3178 * 5. parse arguments
3179 */
3180 #ifdef FEAT_USR_CMDS
3181 if (!USER_CMDIDX(ea.cmdidx))
3182 #endif
3183 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3184
3185 arg = skipwhite(p);
3186
3187 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3188 {
3189 if (*arg == '>') /* append */
3190 {
3191 if (*++arg == '>')
3192 ++arg;
3193 arg = skipwhite(arg);
3194 }
3195 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3196 {
3197 ++arg;
3198 usefilter = TRUE;
3199 }
3200 }
3201
3202 if (ea.cmdidx == CMD_read)
3203 {
3204 usefilter = forceit; /* :r! filter if forced */
3205 if (*arg == '!') /* :r !filter */
3206 {
3207 ++arg;
3208 usefilter = TRUE;
3209 }
3210 }
3211
3212 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3213 {
3214 while (*arg == *cmd) /* allow any number of '>' or '<' */
3215 ++arg;
3216 arg = skipwhite(arg);
3217 }
3218
3219 /* Does command allow "+command"? */
3220 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3221 {
3222 /* Check if we're in the +command */
3223 p = arg + 1;
3224 arg = skip_cmd_arg(arg, FALSE);
3225
3226 /* Still touching the command after '+'? */
3227 if (*arg == NUL)
3228 return p;
3229
3230 /* Skip space(s) after +command to get to the real argument */
3231 arg = skipwhite(arg);
3232 }
3233
3234 /*
3235 * Check for '|' to separate commands and '"' to start comments.
3236 * Don't do this for ":read !cmd" and ":write !cmd".
3237 */
3238 if ((ea.argt & TRLBAR) && !usefilter)
3239 {
3240 p = arg;
3241 /* ":redir @" is not the start of a comment */
3242 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3243 p += 2;
3244 while (*p)
3245 {
3246 if (*p == Ctrl_V)
3247 {
3248 if (p[1] != NUL)
3249 ++p;
3250 }
3251 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3252 || *p == '|' || *p == '\n')
3253 {
3254 if (*(p - 1) != '\\')
3255 {
3256 if (*p == '|' || *p == '\n')
3257 return p + 1;
3258 return NULL; /* It's a comment */
3259 }
3260 }
3261 mb_ptr_adv(p);
3262 }
3263 }
3264
3265 /* no arguments allowed */
3266 if (!(ea.argt & EXTRA) && *arg != NUL &&
3267 vim_strchr((char_u *)"|\"", *arg) == NULL)
3268 return NULL;
3269
3270 /* Find start of last argument (argument just before cursor): */
3271 p = buff + STRLEN(buff);
3272 while (p != arg && *p != ' ' && *p != TAB)
3273 p--;
3274 if (*p == ' ' || *p == TAB)
3275 p++;
3276 xp->xp_pattern = p;
3277
3278 if (ea.argt & XFILE)
3279 {
3280 int in_quote = FALSE;
3281 char_u *bow = NULL; /* Beginning of word */
3282
3283 /*
3284 * Allow spaces within back-quotes to count as part of the argument
3285 * being expanded.
3286 */
3287 xp->xp_pattern = skipwhite(arg);
3288 for (p = xp->xp_pattern; *p; )
3289 {
3290 if (*p == '\\' && p[1] != NUL)
3291 ++p;
3292 #ifdef SPACE_IN_FILENAME
3293 else if (vim_iswhite(*p) && (!(ea.argt & NOSPC) || usefilter))
3294 #else
3295 else if (vim_iswhite(*p))
3296 #endif
3297 {
3298 p = skipwhite(p);
3299 if (in_quote)
3300 bow = p;
3301 else
3302 xp->xp_pattern = p;
3303 --p;
3304 }
3305 else if (*p == '`')
3306 {
3307 if (!in_quote)
3308 {
3309 xp->xp_pattern = p;
3310 bow = p + 1;
3311 }
3312 in_quote = !in_quote;
3313 }
3314 mb_ptr_adv(p);
3315 }
3316
3317 /*
3318 * If we are still inside the quotes, and we passed a space, just
3319 * expand from there.
3320 */
3321 if (bow != NULL && in_quote)
3322 xp->xp_pattern = bow;
3323 xp->xp_context = EXPAND_FILES;
3324
3325 #ifndef BACKSLASH_IN_FILENAME
3326 /* For a shell command more chars need to be escaped. */
3327 if (usefilter || ea.cmdidx == CMD_bang)
3328 {
3329 xp->xp_shell = TRUE;
3330
3331 /* When still after the command name expand executables. */
3332 if (xp->xp_pattern == skipwhite(arg))
3333 xp->xp_context = EXPAND_SHELLCMD;
3334 }
3335 #endif
3336
3337 /* Check for environment variable */
3338 if (*xp->xp_pattern == '$'
3339 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3340 || *xp->xp_pattern == '%'
3341 #endif
3342 )
3343 {
3344 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3345 if (!vim_isIDc(*p))
3346 break;
3347 if (*p == NUL)
3348 {
3349 xp->xp_context = EXPAND_ENV_VARS;
3350 ++xp->xp_pattern;
3351 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3352 /* Avoid that the assignment uses EXPAND_FILES again. */
3353 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3354 compl = EXPAND_ENV_VARS;
3355 #endif
3356 }
3357 }
3358 }
3359
3360 /*
3361 * 6. switch on command name
3362 */
3363 switch (ea.cmdidx)
3364 {
3365 case CMD_cd:
3366 case CMD_chdir:
3367 case CMD_lcd:
3368 case CMD_lchdir:
3369 if (xp->xp_context == EXPAND_FILES)
3370 xp->xp_context = EXPAND_DIRECTORIES;
3371 break;
3372 case CMD_help:
3373 xp->xp_context = EXPAND_HELP;
3374 xp->xp_pattern = arg;
3375 break;
3376
3377 /* Command modifiers: return the argument.
3378 * Also for commands with an argument that is a command. */
3379 case CMD_aboveleft:
3380 case CMD_argdo:
3381 case CMD_belowright:
3382 case CMD_botright:
3383 case CMD_browse:
3384 case CMD_bufdo:
3385 case CMD_confirm:
3386 case CMD_debug:
3387 case CMD_folddoclosed:
3388 case CMD_folddoopen:
3389 case CMD_hide:
3390 case CMD_keepalt:
3391 case CMD_keepjumps:
3392 case CMD_keepmarks:
3393 case CMD_leftabove:
3394 case CMD_lockmarks:
3395 case CMD_rightbelow:
3396 case CMD_sandbox:
3397 case CMD_silent:
3398 case CMD_tab:
3399 case CMD_topleft:
3400 case CMD_verbose:
3401 case CMD_vertical:
3402 case CMD_windo:
3403 return arg;
3404
3405 #ifdef FEAT_SEARCH_EXTRA
3406 case CMD_match:
3407 if (*arg == NUL || !ends_excmd(*arg))
3408 {
3409 /* Dummy call to clear variables. */
3410 set_context_in_highlight_cmd(xp, (char_u *)"link n");
3411 xp->xp_context = EXPAND_HIGHLIGHT;
3412 xp->xp_pattern = arg;
3413 arg = skipwhite(skiptowhite(arg));
3414 if (*arg != NUL)
3415 {
3416 xp->xp_context = EXPAND_NOTHING;
3417 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3418 }
3419 }
3420 return find_nextcmd(arg);
3421 #endif
3422
3423 #ifdef FEAT_CMDL_COMPL
3424 /*
3425 * All completion for the +cmdline_compl feature goes here.
3426 */
3427
3428 # ifdef FEAT_USR_CMDS
3429 case CMD_command:
3430 /* Check for attributes */
3431 while (*arg == '-')
3432 {
3433 arg++; /* Skip "-" */
3434 p = skiptowhite(arg);
3435 if (*p == NUL)
3436 {
3437 /* Cursor is still in the attribute */
3438 p = vim_strchr(arg, '=');
3439 if (p == NULL)
3440 {
3441 /* No "=", so complete attribute names */
3442 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3443 xp->xp_pattern = arg;
3444 return NULL;
3445 }
3446
3447 /* For the -complete and -nargs attributes, we complete
3448 * their arguments as well.
3449 */
3450 if (STRNICMP(arg, "complete", p - arg) == 0)
3451 {
3452 xp->xp_context = EXPAND_USER_COMPLETE;
3453 xp->xp_pattern = p + 1;
3454 return NULL;
3455 }
3456 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3457 {
3458 xp->xp_context = EXPAND_USER_NARGS;
3459 xp->xp_pattern = p + 1;
3460 return NULL;
3461 }
3462 return NULL;
3463 }
3464 arg = skipwhite(p);
3465 }
3466
3467 /* After the attributes comes the new command name */
3468 p = skiptowhite(arg);
3469 if (*p == NUL)
3470 {
3471 xp->xp_context = EXPAND_USER_COMMANDS;
3472 xp->xp_pattern = arg;
3473 break;
3474 }
3475
3476 /* And finally comes a normal command */
3477 return skipwhite(p);
3478
3479 case CMD_delcommand:
3480 xp->xp_context = EXPAND_USER_COMMANDS;
3481 xp->xp_pattern = arg;
3482 break;
3483 # endif
3484
3485 case CMD_global:
3486 case CMD_vglobal:
3487 delim = *arg; /* get the delimiter */
3488 if (delim)
3489 ++arg; /* skip delimiter if there is one */
3490
3491 while (arg[0] != NUL && arg[0] != delim)
3492 {
3493 if (arg[0] == '\\' && arg[1] != NUL)
3494 ++arg;
3495 ++arg;
3496 }
3497 if (arg[0] != NUL)
3498 return arg + 1;
3499 break;
3500 case CMD_and:
3501 case CMD_substitute:
3502 delim = *arg;
3503 if (delim)
3504 {
3505 /* skip "from" part */
3506 ++arg;
3507 arg = skip_regexp(arg, delim, p_magic, NULL);
3508 }
3509 /* skip "to" part */
3510 while (arg[0] != NUL && arg[0] != delim)
3511 {
3512 if (arg[0] == '\\' && arg[1] != NUL)
3513 ++arg;
3514 ++arg;
3515 }
3516 if (arg[0] != NUL) /* skip delimiter */
3517 ++arg;
3518 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3519 ++arg;
3520 if (arg[0] != NUL)
3521 return arg;
3522 break;
3523 case CMD_isearch:
3524 case CMD_dsearch:
3525 case CMD_ilist:
3526 case CMD_dlist:
3527 case CMD_ijump:
3528 case CMD_psearch:
3529 case CMD_djump:
3530 case CMD_isplit:
3531 case CMD_dsplit:
3532 arg = skipwhite(skipdigits(arg)); /* skip count */
3533 if (*arg == '/') /* Match regexp, not just whole words */
3534 {
3535 for (++arg; *arg && *arg != '/'; arg++)
3536 if (*arg == '\\' && arg[1] != NUL)
3537 arg++;
3538 if (*arg)
3539 {
3540 arg = skipwhite(arg + 1);
3541
3542 /* Check for trailing illegal characters */
3543 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3544 xp->xp_context = EXPAND_NOTHING;
3545 else
3546 return arg;
3547 }
3548 }
3549 break;
3550 #ifdef FEAT_AUTOCMD
3551 case CMD_autocmd:
3552 return set_context_in_autocmd(xp, arg, FALSE);
3553
3554 case CMD_doautocmd:
3555 return set_context_in_autocmd(xp, arg, TRUE);
3556 #endif
3557 case CMD_set:
3558 set_context_in_set_cmd(xp, arg, 0);
3559 break;
3560 case CMD_setglobal:
3561 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3562 break;
3563 case CMD_setlocal:
3564 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3565 break;
3566 case CMD_tag:
3567 case CMD_stag:
3568 case CMD_ptag:
3569 case CMD_ltag:
3570 case CMD_tselect:
3571 case CMD_stselect:
3572 case CMD_ptselect:
3573 case CMD_tjump:
3574 case CMD_stjump:
3575 case CMD_ptjump:
3576 if (*p_wop != NUL)
3577 xp->xp_context = EXPAND_TAGS_LISTFILES;
3578 else
3579 xp->xp_context = EXPAND_TAGS;
3580 xp->xp_pattern = arg;
3581 break;
3582 case CMD_augroup:
3583 xp->xp_context = EXPAND_AUGROUP;
3584 xp->xp_pattern = arg;
3585 break;
3586 #ifdef FEAT_SYN_HL
3587 case CMD_syntax:
3588 set_context_in_syntax_cmd(xp, arg);
3589 break;
3590 #endif
3591 #ifdef FEAT_EVAL
3592 case CMD_let:
3593 case CMD_if:
3594 case CMD_elseif:
3595 case CMD_while:
3596 case CMD_for:
3597 case CMD_echo:
3598 case CMD_echon:
3599 case CMD_execute:
3600 case CMD_echomsg:
3601 case CMD_echoerr:
3602 case CMD_call:
3603 case CMD_return:
3604 set_context_for_expression(xp, arg, ea.cmdidx);
3605 break;
3606
3607 case CMD_unlet:
3608 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3609 arg = xp->xp_pattern + 1;
3610 xp->xp_context = EXPAND_USER_VARS;
3611 xp->xp_pattern = arg;
3612 break;
3613
3614 case CMD_function:
3615 case CMD_delfunction:
3616 xp->xp_context = EXPAND_USER_FUNC;
3617 xp->xp_pattern = arg;
3618 break;
3619
3620 case CMD_echohl:
3621 xp->xp_context = EXPAND_HIGHLIGHT;
3622 xp->xp_pattern = arg;
3623 break;
3624 #endif
3625 case CMD_highlight:
3626 set_context_in_highlight_cmd(xp, arg);
3627 break;
3628 #ifdef FEAT_LISTCMDS
3629 case CMD_bdelete:
3630 case CMD_bwipeout:
3631 case CMD_bunload:
3632 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3633 arg = xp->xp_pattern + 1;
3634 /*FALLTHROUGH*/
3635 case CMD_buffer:
3636 case CMD_sbuffer:
3637 case CMD_checktime:
3638 xp->xp_context = EXPAND_BUFFERS;
3639 xp->xp_pattern = arg;
3640 break;
3641 #endif
3642 #ifdef FEAT_USR_CMDS
3643 case CMD_USER:
3644 case CMD_USER_BUF:
3645 if (compl != EXPAND_NOTHING)
3646 {
3647 /* XFILE: file names are handled above */
3648 if (!(ea.argt & XFILE))
3649 {
3650 # ifdef FEAT_MENU
3651 if (compl == EXPAND_MENUS)
3652 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3653 # endif
3654 if (compl == EXPAND_COMMANDS)
3655 return arg;
3656 if (compl == EXPAND_MAPPINGS)
3657 return set_context_in_map_cmd(xp, (char_u *)"map",
3658 arg, forceit, FALSE, FALSE, CMD_map);
3659 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3660 arg = xp->xp_pattern + 1;
3661 xp->xp_pattern = arg;
3662 }
3663 xp->xp_context = compl;
3664 }
3665 break;
3666 #endif
3667 case CMD_map: case CMD_noremap:
3668 case CMD_nmap: case CMD_nnoremap:
3669 case CMD_vmap: case CMD_vnoremap:
3670 case CMD_omap: case CMD_onoremap:
3671 case CMD_imap: case CMD_inoremap:
3672 case CMD_cmap: case CMD_cnoremap:
3673 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3674 FALSE, FALSE, ea.cmdidx);
3675 case CMD_unmap:
3676 case CMD_nunmap:
3677 case CMD_vunmap:
3678 case CMD_ounmap:
3679 case CMD_iunmap:
3680 case CMD_cunmap:
3681 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3682 FALSE, TRUE, ea.cmdidx);
3683 case CMD_abbreviate: case CMD_noreabbrev:
3684 case CMD_cabbrev: case CMD_cnoreabbrev:
3685 case CMD_iabbrev: case CMD_inoreabbrev:
3686 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3687 TRUE, FALSE, ea.cmdidx);
3688 case CMD_unabbreviate:
3689 case CMD_cunabbrev:
3690 case CMD_iunabbrev:
3691 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3692 TRUE, TRUE, ea.cmdidx);
3693 #ifdef FEAT_MENU
3694 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3695 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3696 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3697 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3698 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3699 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3700 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3701 case CMD_tmenu: case CMD_tunmenu:
3702 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3703 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3704 #endif
3705
3706 case CMD_colorscheme:
3707 xp->xp_context = EXPAND_COLORS;
3708 xp->xp_pattern = arg;
3709 break;
3710
3711 case CMD_compiler:
3712 xp->xp_context = EXPAND_COMPILER;
3713 xp->xp_pattern = arg;
3714 break;
3715
3716 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3717 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3718 case CMD_language:
3719 if (*skiptowhite(arg) == NUL)
3720 {
3721 xp->xp_context = EXPAND_LANGUAGE;
3722 xp->xp_pattern = arg;
3723 }
3724 else
3725 xp->xp_context = EXPAND_NOTHING;
3726 break;
3727 #endif
3728
3729 #endif /* FEAT_CMDL_COMPL */
3730
3731 default:
3732 break;
3733 }
3734 return NULL;
3735 }
3736
3737 /*
3738 * skip a range specifier of the form: addr [,addr] [;addr] ..
3739 *
3740 * Backslashed delimiters after / or ? will be skipped, and commands will
3741 * not be expanded between /'s and ?'s or after "'".
3742 *
3743 * Also skip white space and ":" characters.
3744 * Returns the "cmd" pointer advanced to beyond the range.
3745 */
3746 char_u *
3747 skip_range(cmd, ctx)
3748 char_u *cmd;
3749 int *ctx; /* pointer to xp_context or NULL */
3750 {
3751 int delim;
3752
3753 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3754 {
3755 if (*cmd == '\'')
3756 {
3757 if (*++cmd == NUL && ctx != NULL)
3758 *ctx = EXPAND_NOTHING;
3759 }
3760 else if (*cmd == '/' || *cmd == '?')
3761 {
3762 delim = *cmd++;
3763 while (*cmd != NUL && *cmd != delim)
3764 if (*cmd++ == '\\' && *cmd != NUL)
3765 ++cmd;
3766 if (*cmd == NUL && ctx != NULL)
3767 *ctx = EXPAND_NOTHING;
3768 }
3769 if (*cmd != NUL)
3770 ++cmd;
3771 }
3772
3773 /* Skip ":" and white space. */
3774 while (*cmd == ':')
3775 cmd = skipwhite(cmd + 1);
3776
3777 return cmd;
3778 }
3779
3780 /*
3781 * get a single EX address
3782 *
3783 * Set ptr to the next character after the part that was interpreted.
3784 * Set ptr to NULL when an error is encountered.
3785 *
3786 * Return MAXLNUM when no Ex address was found.
3787 */
3788 static linenr_T
3789 get_address(ptr, skip, to_other_file)
3790 char_u **ptr;
3791 int skip; /* only skip the address, don't use it */
3792 int to_other_file; /* flag: may jump to other file */
3793 {
3794 int c;
3795 int i;
3796 long n;
3797 char_u *cmd;
3798 pos_T pos;
3799 pos_T *fp;
3800 linenr_T lnum;
3801
3802 cmd = skipwhite(*ptr);
3803 lnum = MAXLNUM;
3804 do
3805 {
3806 switch (*cmd)
3807 {
3808 case '.': /* '.' - Cursor position */
3809 ++cmd;
3810 lnum = curwin->w_cursor.lnum;
3811 break;
3812
3813 case '$': /* '$' - last line */
3814 ++cmd;
3815 lnum = curbuf->b_ml.ml_line_count;
3816 break;
3817
3818 case '\'': /* ''' - mark */
3819 if (*++cmd == NUL)
3820 {
3821 cmd = NULL;
3822 goto error;
3823 }
3824 if (skip)
3825 ++cmd;
3826 else
3827 {
3828 /* Only accept a mark in another file when it is
3829 * used by itself: ":'M". */
3830 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3831 ++cmd;
3832 if (fp == (pos_T *)-1)
3833 /* Jumped to another file. */
3834 lnum = curwin->w_cursor.lnum;
3835 else
3836 {
3837 if (check_mark(fp) == FAIL)
3838 {
3839 cmd = NULL;
3840 goto error;
3841 }
3842 lnum = fp->lnum;
3843 }
3844 }
3845 break;
3846
3847 case '/':
3848 case '?': /* '/' or '?' - search */
3849 c = *cmd++;
3850 if (skip) /* skip "/pat/" */
3851 {
3852 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3853 if (*cmd == c)
3854 ++cmd;
3855 }
3856 else
3857 {
3858 pos = curwin->w_cursor; /* save curwin->w_cursor */
3859 /*
3860 * When '/' or '?' follows another address, start
3861 * from there.
3862 */
3863 if (lnum != MAXLNUM)
3864 curwin->w_cursor.lnum = lnum;
3865 /*
3866 * Start a forward search at the end of the line.
3867 * Start a backward search at the start of the line.
3868 * This makes sure we never match in the current
3869 * line, and can match anywhere in the
3870 * next/previous line.
3871 */
3872 if (c == '/')
3873 curwin->w_cursor.col = MAXCOL;
3874 else
3875 curwin->w_cursor.col = 0;
3876 searchcmdlen = 0;
3877 if (!do_search(NULL, c, cmd, 1L,
3878 SEARCH_HIS + SEARCH_MSG + SEARCH_START))
3879 {
3880 curwin->w_cursor = pos;
3881 cmd = NULL;
3882 goto error;
3883 }
3884 lnum = curwin->w_cursor.lnum;
3885 curwin->w_cursor = pos;
3886 /* adjust command string pointer */
3887 cmd += searchcmdlen;
3888 }
3889 break;
3890
3891 case '\\': /* "\?", "\/" or "\&", repeat search */
3892 ++cmd;
3893 if (*cmd == '&')
3894 i = RE_SUBST;
3895 else if (*cmd == '?' || *cmd == '/')
3896 i = RE_SEARCH;
3897 else
3898 {
3899 EMSG(_(e_backslash));
3900 cmd = NULL;
3901 goto error;
3902 }
3903
3904 if (!skip)
3905 {
3906 /*
3907 * When search follows another address, start from
3908 * there.
3909 */
3910 if (lnum != MAXLNUM)
3911 pos.lnum = lnum;
3912 else
3913 pos.lnum = curwin->w_cursor.lnum;
3914
3915 /*
3916 * Start the search just like for the above
3917 * do_search().
3918 */
3919 if (*cmd != '?')
3920 pos.col = MAXCOL;
3921 else
3922 pos.col = 0;
3923 if (searchit(curwin, curbuf, &pos,
3924 *cmd == '?' ? BACKWARD : FORWARD,
3925 (char_u *)"", 1L,
3926 SEARCH_MSG + SEARCH_START,
3927 i, (linenr_T)0) != FAIL)
3928 lnum = pos.lnum;
3929 else
3930 {
3931 cmd = NULL;
3932 goto error;
3933 }
3934 }
3935 ++cmd;
3936 break;
3937
3938 default:
3939 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
3940 lnum = getdigits(&cmd);
3941 }
3942
3943 for (;;)
3944 {
3945 cmd = skipwhite(cmd);
3946 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
3947 break;
3948
3949 if (lnum == MAXLNUM)
3950 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
3951 if (VIM_ISDIGIT(*cmd))
3952 i = '+'; /* "number" is same as "+number" */
3953 else
3954 i = *cmd++;
3955 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
3956 n = 1;
3957 else
3958 n = getdigits(&cmd);
3959 if (i == '-')
3960 lnum -= n;
3961 else
3962 lnum += n;
3963 }
3964 } while (*cmd == '/' || *cmd == '?');
3965
3966 error:
3967 *ptr = cmd;
3968 return lnum;
3969 }
3970
3971 /*
3972 * Get flags from an Ex command argument.
3973 */
3974 static void
3975 get_flags(eap)
3976 exarg_T *eap;
3977 {
3978 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
3979 {
3980 if (*eap->arg == 'l')
3981 eap->flags |= EXFLAG_LIST;
3982 else if (*eap->arg == 'p')
3983 eap->flags |= EXFLAG_PRINT;
3984 else
3985 eap->flags |= EXFLAG_NR;
3986 eap->arg = skipwhite(eap->arg + 1);
3987 }
3988 }
3989
3990 /*
3991 * Function called for command which is Not Implemented. NI!
3992 */
3993 void
3994 ex_ni(eap)
3995 exarg_T *eap;
3996 {
3997 if (!eap->skip)
3998 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
3999 }
4000
4001 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
4002 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
4003 /*
4004 * Function called for script command which is Not Implemented. NI!
4005 * Skips over ":perl <<EOF" constructs.
4006 */
4007 static void
4008 ex_script_ni(eap)
4009 exarg_T *eap;
4010 {
4011 if (!eap->skip)
4012 ex_ni(eap);
4013 else
4014 vim_free(script_get(eap, eap->arg));
4015 }
4016 #endif
4017
4018 /*
4019 * Check range in Ex command for validity.
4020 * Return NULL when valid, error message when invalid.
4021 */
4022 static char_u *
4023 invalid_range(eap)
4024 exarg_T *eap;
4025 {
4026 if ( eap->line1 < 0
4027 || eap->line2 < 0
4028 || eap->line1 > eap->line2
4029 || ((eap->argt & RANGE)
4030 && !(eap->argt & NOTADR)
4031 && eap->line2 > curbuf->b_ml.ml_line_count
4032 #ifdef FEAT_DIFF
4033 + (eap->cmdidx == CMD_diffget)
4034 #endif
4035 ))
4036 return (char_u *)_(e_invrange);
4037 return NULL;
4038 }
4039
4040 /*
4041 * Correct the range for zero line number, if required.
4042 */
4043 static void
4044 correct_range(eap)
4045 exarg_T *eap;
4046 {
4047 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4048 {
4049 if (eap->line1 == 0)
4050 eap->line1 = 1;
4051 if (eap->line2 == 0)
4052 eap->line2 = 1;
4053 }
4054 }
4055
4056 #ifdef FEAT_QUICKFIX
4057 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4058
4059 /*
4060 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4061 * pattern. Otherwise return eap->arg.
4062 */
4063 static char_u *
4064 skip_grep_pat(eap)
4065 exarg_T *eap;
4066 {
4067 char_u *p = eap->arg;
4068
4069 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4070 || eap->cmdidx == CMD_vimgrepadd
4071 || eap->cmdidx == CMD_lvimgrepadd
4072 || grep_internal(eap->cmdidx)))
4073 {
4074 p = skip_vimgrep_pat(p, NULL, NULL);
4075 if (p == NULL)
4076 p = eap->arg;
4077 }
4078 return p;
4079 }
4080
4081 /*
4082 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4083 * in the command line, so that things like % get expanded.
4084 */
4085 static char_u *
4086 replace_makeprg(eap, p, cmdlinep)
4087 exarg_T *eap;
4088 char_u *p;
4089 char_u **cmdlinep;
4090 {
4091 char_u *new_cmdline;
4092 char_u *program;
4093 char_u *pos;
4094 char_u *ptr;
4095 int len;
4096 int i;
4097
4098 /*
4099 * Don't do it when ":vimgrep" is used for ":grep".
4100 */
4101 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4102 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4103 || eap->cmdidx == CMD_grepadd
4104 || eap->cmdidx == CMD_lgrepadd)
4105 && !grep_internal(eap->cmdidx))
4106 {
4107 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4108 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4109 {
4110 if (*curbuf->b_p_gp == NUL)
4111 program = p_gp;
4112 else
4113 program = curbuf->b_p_gp;
4114 }
4115 else
4116 {
4117 if (*curbuf->b_p_mp == NUL)
4118 program = p_mp;
4119 else
4120 program = curbuf->b_p_mp;
4121 }
4122
4123 p = skipwhite(p);
4124
4125 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4126 {
4127 /* replace $* by given arguments */
4128 i = 1;
4129 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4130 ++i;
4131 len = (int)STRLEN(p);
4132 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4133 if (new_cmdline == NULL)
4134 return NULL; /* out of memory */
4135 ptr = new_cmdline;
4136 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4137 {
4138 i = (int)(pos - program);
4139 STRNCPY(ptr, program, i);
4140 STRCPY(ptr += i, p);
4141 ptr += len;
4142 program = pos + 2;
4143 }
4144 STRCPY(ptr, program);
4145 }
4146 else
4147 {
4148 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4149 if (new_cmdline == NULL)
4150 return NULL; /* out of memory */
4151 STRCPY(new_cmdline, program);
4152 STRCAT(new_cmdline, " ");
4153 STRCAT(new_cmdline, p);
4154 }
4155 msg_make(p);
4156
4157 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4158 vim_free(*cmdlinep);
4159 *cmdlinep = new_cmdline;
4160 p = new_cmdline;
4161 }
4162 return p;
4163 }
4164 #endif
4165
4166 /*
4167 * Expand file name in Ex command argument.
4168 * Return FAIL for failure, OK otherwise.
4169 */
4170 int
4171 expand_filename(eap, cmdlinep, errormsgp)
4172 exarg_T *eap;
4173 char_u **cmdlinep;
4174 char_u **errormsgp;
4175 {
4176 int has_wildcards; /* need to expand wildcards */
4177 char_u *repl;
4178 int srclen;
4179 char_u *p;
4180 int n;
4181 int escaped;
4182
4183 #ifdef FEAT_QUICKFIX
4184 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4185 p = skip_grep_pat(eap);
4186 #else
4187 p = eap->arg;
4188 #endif
4189
4190 /*
4191 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4192 * the file name contains a wildcard it should not cause expanding.
4193 * (it will be expanded anyway if there is a wildcard before replacing).
4194 */
4195 has_wildcards = mch_has_wildcard(p);
4196 while (*p != NUL)
4197 {
4198 #ifdef FEAT_EVAL
4199 /* Skip over `=expr`, wildcards in it are not expanded. */
4200 if (p[0] == '`' && p[1] == '=')
4201 {
4202 p += 2;
4203 (void)skip_expr(&p);
4204 if (*p == '`')
4205 ++p;
4206 continue;
4207 }
4208 #endif
4209 /*
4210 * Quick check if this cannot be the start of a special string.
4211 * Also removes backslash before '%', '#' and '<'.
4212 */
4213 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4214 {
4215 ++p;
4216 continue;
4217 }
4218
4219 /*
4220 * Try to find a match at this position.
4221 */
4222 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4223 errormsgp, &escaped);
4224 if (*errormsgp != NULL) /* error detected */
4225 return FAIL;
4226 if (repl == NULL) /* no match found */
4227 {
4228 p += srclen;
4229 continue;
4230 }
4231
4232 /* Wildcards won't be expanded below, the replacement is taken
4233 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4234 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4235 {
4236 char_u *l = repl;
4237
4238 repl = expand_env_save(repl);
4239 vim_free(l);
4240 }
4241
4242 /* Need to escape white space et al. with a backslash.
4243 * Don't do this for:
4244 * - replacement that already has been escaped: "##"
4245 * - shell commands (may have to use quotes instead).
4246 * - non-unix systems when there is a single argument (spaces don't
4247 * separate arguments then).
4248 */
4249 if (!eap->usefilter
4250 && !escaped
4251 && eap->cmdidx != CMD_bang
4252 && eap->cmdidx != CMD_make
4253 && eap->cmdidx != CMD_lmake
4254 && eap->cmdidx != CMD_grep
4255 && eap->cmdidx != CMD_lgrep
4256 && eap->cmdidx != CMD_grepadd
4257 && eap->cmdidx != CMD_lgrepadd
4258 #ifndef UNIX
4259 && !(eap->argt & NOSPC)
4260 #endif
4261 )
4262 {
4263 char_u *l;
4264 #ifdef BACKSLASH_IN_FILENAME
4265 /* Don't escape a backslash here, because rem_backslash() doesn't
4266 * remove it later. */
4267 static char_u *nobslash = (char_u *)" \t\"|";
4268 # define ESCAPE_CHARS nobslash
4269 #else
4270 # define ESCAPE_CHARS escape_chars
4271 #endif
4272
4273 for (l = repl; *l; ++l)
4274 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4275 {
4276 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4277 if (l != NULL)
4278 {
4279 vim_free(repl);
4280 repl = l;
4281 }
4282 break;
4283 }
4284 }
4285
4286 /* For a shell command a '!' must be escaped. */
4287 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4288 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4289 {
4290 char_u *l;
4291
4292 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4293 if (l != NULL)
4294 {
4295 vim_free(repl);
4296 repl = l;
4297 /* For a sh-like shell escape "!" another time. */
4298 if (strstr((char *)p_sh, "sh") != NULL)
4299 {
4300 l = vim_strsave_escaped(repl, (char_u *)"!");
4301 if (l != NULL)
4302 {
4303 vim_free(repl);
4304 repl = l;
4305 }
4306 }
4307 }
4308 }
4309
4310 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4311 vim_free(repl);
4312 if (p == NULL)
4313 return FAIL;
4314 }
4315
4316 /*
4317 * One file argument: Expand wildcards.
4318 * Don't do this with ":r !command" or ":w !command".
4319 */
4320 if ((eap->argt & NOSPC) && !eap->usefilter)
4321 {
4322 /*
4323 * May do this twice:
4324 * 1. Replace environment variables.
4325 * 2. Replace any other wildcards, remove backslashes.
4326 */
4327 for (n = 1; n <= 2; ++n)
4328 {
4329 if (n == 2)
4330 {
4331 #ifdef UNIX
4332 /*
4333 * Only for Unix we check for more than one file name.
4334 * For other systems spaces are considered to be part
4335 * of the file name.
4336 * Only check here if there is no wildcard, otherwise
4337 * ExpandOne() will check for errors. This allows
4338 * ":e `ls ve*.c`" on Unix.
4339 */
4340 if (!has_wildcards)
4341 for (p = eap->arg; *p; ++p)
4342 {
4343 /* skip escaped characters */
4344 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4345 ++p;
4346 else if (vim_iswhite(*p))
4347 {
4348 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4349 return FAIL;
4350 }
4351 }
4352 #endif
4353
4354 /*
4355 * Halve the number of backslashes (this is Vi compatible).
4356 * For Unix and OS/2, when wildcards are expanded, this is
4357 * done by ExpandOne() below.
4358 */
4359 #if defined(UNIX) || defined(OS2)
4360 if (!has_wildcards)
4361 #endif
4362 backslash_halve(eap->arg);
4363 }
4364
4365 if (has_wildcards)
4366 {
4367 if (n == 1)
4368 {
4369 /*
4370 * First loop: May expand environment variables. This
4371 * can be done much faster with expand_env() than with
4372 * something else (e.g., calling a shell).
4373 * After expanding environment variables, check again
4374 * if there are still wildcards present.
4375 */
4376 if (vim_strchr(eap->arg, '$') != NULL
4377 || vim_strchr(eap->arg, '~') != NULL)
4378 {
4379 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4380 TRUE, NULL);
4381 has_wildcards = mch_has_wildcard(NameBuff);
4382 p = NameBuff;
4383 }
4384 else
4385 p = NULL;
4386 }
4387 else /* n == 2 */
4388 {
4389 expand_T xpc;
4390
4391 ExpandInit(&xpc);
4392 xpc.xp_context = EXPAND_FILES;
4393 p = ExpandOne(&xpc, eap->arg, NULL,
4394 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4395 WILD_EXPAND_FREE);
4396 if (p == NULL)
4397 return FAIL;
4398 }
4399 if (p != NULL)
4400 {
4401 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4402 p, cmdlinep);
4403 if (n == 2) /* p came from ExpandOne() */
4404 vim_free(p);
4405 }
4406 }
4407 }
4408 }
4409 return OK;
4410 }
4411
4412 /*
4413 * Replace part of the command line, keeping eap->cmd, eap->arg and
4414 * eap->nextcmd correct.
4415 * "src" points to the part that is to be replaced, of length "srclen".
4416 * "repl" is the replacement string.
4417 * Returns a pointer to the character after the replaced string.
4418 * Returns NULL for failure.
4419 */
4420 static char_u *
4421 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4422 exarg_T *eap;
4423 char_u *src;
4424 int srclen;
4425 char_u *repl;
4426 char_u **cmdlinep;
4427 {
4428 int len;
4429 int i;
4430 char_u *new_cmdline;
4431
4432 /*
4433 * The new command line is build in new_cmdline[].
4434 * First allocate it.
4435 * Careful: a "+cmd" argument may have been NUL terminated.
4436 */
4437 len = (int)STRLEN(repl);
4438 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4439 if (eap->nextcmd != NULL)
4440 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4441 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4442 return NULL; /* out of memory! */
4443
4444 /*
4445 * Copy the stuff before the expanded part.
4446 * Copy the expanded stuff.
4447 * Copy what came after the expanded part.
4448 * Copy the next commands, if there are any.
4449 */
4450 i = (int)(src - *cmdlinep); /* length of part before match */
4451 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4452
4453 mch_memmove(new_cmdline + i, repl, (size_t)len);
4454 i += len; /* remember the end of the string */
4455 STRCPY(new_cmdline + i, src + srclen);
4456 src = new_cmdline + i; /* remember where to continue */
4457
4458 if (eap->nextcmd != NULL) /* append next command */
4459 {
4460 i = (int)STRLEN(new_cmdline) + 1;
4461 STRCPY(new_cmdline + i, eap->nextcmd);
4462 eap->nextcmd = new_cmdline + i;
4463 }
4464 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4465 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4466 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4467 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4468 vim_free(*cmdlinep);
4469 *cmdlinep = new_cmdline;
4470
4471 return src;
4472 }
4473
4474 /*
4475 * Check for '|' to separate commands and '"' to start comments.
4476 */
4477 void
4478 separate_nextcmd(eap)
4479 exarg_T *eap;
4480 {
4481 char_u *p;
4482
4483 #ifdef FEAT_QUICKFIX
4484 p = skip_grep_pat(eap);
4485 #else
4486 p = eap->arg;
4487 #endif
4488
4489 for ( ; *p; mb_ptr_adv(p))
4490 {
4491 if (*p == Ctrl_V)
4492 {
4493 if (eap->argt & (USECTRLV | XFILE))
4494 ++p; /* skip CTRL-V and next char */
4495 else
4496 STRCPY(p, p + 1); /* remove CTRL-V and skip next char */
4497 if (*p == NUL) /* stop at NUL after CTRL-V */
4498 break;
4499 }
4500
4501 #ifdef FEAT_EVAL
4502 /* Skip over `=expr` when wildcards are expanded. */
4503 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4504 {
4505 p += 2;
4506 (void)skip_expr(&p);
4507 }
4508 #endif
4509
4510 /* Check for '"': start of comment or '|': next command */
4511 /* :@" and :*" do not start a comment!
4512 * :redir @" doesn't either. */
4513 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4514 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4515 || p != eap->arg)
4516 && (eap->cmdidx != CMD_redir
4517 || p != eap->arg + 1 || p[-1] != '@'))
4518 || *p == '|' || *p == '\n')
4519 {
4520 /*
4521 * We remove the '\' before the '|', unless USECTRLV is used
4522 * AND 'b' is present in 'cpoptions'.
4523 */
4524 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4525 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4526 {
4527 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4528 --p;
4529 }
4530 else
4531 {
4532 eap->nextcmd = check_nextcmd(p);
4533 *p = NUL;
4534 break;
4535 }
4536 }
4537 }
4538
4539 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4540 del_trailing_spaces(eap->arg);
4541 }
4542
4543 /*
4544 * get + command from ex argument
4545 */
4546 static char_u *
4547 getargcmd(argp)
4548 char_u **argp;
4549 {
4550 char_u *arg = *argp;
4551 char_u *command = NULL;
4552
4553 if (*arg == '+') /* +[command] */
4554 {
4555 ++arg;
4556 if (vim_isspace(*arg))
4557 command = dollar_command;
4558 else
4559 {
4560 command = arg;
4561 arg = skip_cmd_arg(command, TRUE);
4562 if (*arg != NUL)
4563 *arg++ = NUL; /* terminate command with NUL */
4564 }
4565
4566 arg = skipwhite(arg); /* skip over spaces */
4567 *argp = arg;
4568 }
4569 return command;
4570 }
4571
4572 /*
4573 * Find end of "+command" argument. Skip over "\ " and "\\".
4574 */
4575 static char_u *
4576 skip_cmd_arg(p, rembs)
4577 char_u *p;
4578 int rembs; /* TRUE to halve the number of backslashes */
4579 {
4580 while (*p && !vim_isspace(*p))
4581 {
4582 if (*p == '\\' && p[1] != NUL)
4583 {
4584 if (rembs)
4585 mch_memmove(p, p + 1, STRLEN(p));
4586 else
4587 ++p;
4588 }
4589 mb_ptr_adv(p);
4590 }
4591 return p;
4592 }
4593
4594 /*
4595 * Get "++opt=arg" argument.
4596 * Return FAIL or OK.
4597 */
4598 static int
4599 getargopt(eap)
4600 exarg_T *eap;
4601 {
4602 char_u *arg = eap->arg + 2;
4603 int *pp = NULL;
4604 #ifdef FEAT_MBYTE
4605 char_u *p;
4606 #endif
4607
4608 /* ":edit ++[no]bin[ary] file" */
4609 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4610 {
4611 if (*arg == 'n')
4612 {
4613 arg += 2;
4614 eap->force_bin = FORCE_NOBIN;
4615 }
4616 else
4617 eap->force_bin = FORCE_BIN;
4618 if (!checkforcmd(&arg, "binary", 3))
4619 return FAIL;
4620 eap->arg = skipwhite(arg);
4621 return OK;
4622 }
4623
4624 /* ":read ++edit file" */
4625 if (STRNCMP(arg, "edit", 4) == 0)
4626 {
4627 eap->read_edit = TRUE;
4628 eap->arg = skipwhite(arg + 4);
4629 return OK;
4630 }
4631
4632 if (STRNCMP(arg, "ff", 2) == 0)
4633 {
4634 arg += 2;
4635 pp = &eap->force_ff;
4636 }
4637 else if (STRNCMP(arg, "fileformat", 10) == 0)
4638 {
4639 arg += 10;
4640 pp = &eap->force_ff;
4641 }
4642 #ifdef FEAT_MBYTE
4643 else if (STRNCMP(arg, "enc", 3) == 0)
4644 {
4645 arg += 3;
4646 pp = &eap->force_enc;
4647 }
4648 else if (STRNCMP(arg, "encoding", 8) == 0)
4649 {
4650 arg += 8;
4651 pp = &eap->force_enc;
4652 }
4653 else if (STRNCMP(arg, "bad", 3) == 0)
4654 {
4655 arg += 3;
4656 pp = &eap->bad_char;
4657 }
4658 #endif
4659
4660 if (pp == NULL || *arg != '=')
4661 return FAIL;
4662
4663 ++arg;
4664 *pp = (int)(arg - eap->cmd);
4665 arg = skip_cmd_arg(arg, FALSE);
4666 eap->arg = skipwhite(arg);
4667 *arg = NUL;
4668
4669 #ifdef FEAT_MBYTE
4670 if (pp == &eap->force_ff)
4671 {
4672 #endif
4673 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4674 return FAIL;
4675 #ifdef FEAT_MBYTE
4676 }
4677 else if (pp == &eap->force_enc)
4678 {
4679 /* Make 'fileencoding' lower case. */
4680 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4681 *p = TOLOWER_ASC(*p);
4682 }
4683 else
4684 {
4685 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4686 * "drop". */
4687 p = eap->cmd + eap->bad_char;
4688 if (STRICMP(p, "keep") == 0)
4689 eap->bad_char = BAD_KEEP;
4690 else if (STRICMP(p, "drop") == 0)
4691 eap->bad_char = BAD_DROP;
4692 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4693 eap->bad_char = *p;
4694 else
4695 return FAIL;
4696 }
4697 #endif
4698
4699 return OK;
4700 }
4701
4702 /*
4703 * ":abbreviate" and friends.
4704 */
4705 static void
4706 ex_abbreviate(eap)
4707 exarg_T *eap;
4708 {
4709 do_exmap(eap, TRUE); /* almost the same as mapping */
4710 }
4711
4712 /*
4713 * ":map" and friends.
4714 */
4715 static void
4716 ex_map(eap)
4717 exarg_T *eap;
4718 {
4719 /*
4720 * If we are sourcing .exrc or .vimrc in current directory we
4721 * print the mappings for security reasons.
4722 */
4723 if (secure)
4724 {
4725 secure = 2;
4726 msg_outtrans(eap->cmd);
4727 msg_putchar('\n');
4728 }
4729 do_exmap(eap, FALSE);
4730 }
4731
4732 /*
4733 * ":unmap" and friends.
4734 */
4735 static void
4736 ex_unmap(eap)
4737 exarg_T *eap;
4738 {
4739 do_exmap(eap, FALSE);
4740 }
4741
4742 /*
4743 * ":mapclear" and friends.
4744 */
4745 static void
4746 ex_mapclear(eap)
4747 exarg_T *eap;
4748 {
4749 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4750 }
4751
4752 /*
4753 * ":abclear" and friends.
4754 */
4755 static void
4756 ex_abclear(eap)
4757 exarg_T *eap;
4758 {
4759 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4760 }
4761
4762 #ifdef FEAT_AUTOCMD
4763 static void
4764 ex_autocmd(eap)
4765 exarg_T *eap;
4766 {
4767 /*
4768 * Disallow auto commands from .exrc and .vimrc in current
4769 * directory for security reasons.
4770 */
4771 if (secure)
4772 {
4773 secure = 2;
4774 eap->errmsg = e_curdir;
4775 }
4776 else if (eap->cmdidx == CMD_autocmd)
4777 do_autocmd(eap->arg, eap->forceit);
4778 else
4779 do_augroup(eap->arg, eap->forceit);
4780 }
4781
4782 /*
4783 * ":doautocmd": Apply the automatic commands to the current buffer.
4784 */
4785 static void
4786 ex_doautocmd(eap)
4787 exarg_T *eap;
4788 {
4789 (void)do_doautocmd(eap->arg, TRUE);
4790 do_modelines(0);
4791 }
4792 #endif
4793
4794 #ifdef FEAT_LISTCMDS
4795 /*
4796 * :[N]bunload[!] [N] [bufname] unload buffer
4797 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4798 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4799 */
4800 static void
4801 ex_bunload(eap)
4802 exarg_T *eap;
4803 {
4804 eap->errmsg = do_bufdel(
4805 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4806 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4807 : DOBUF_UNLOAD, eap->arg,
4808 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4809 }
4810
4811 /*
4812 * :[N]buffer [N] to buffer N
4813 * :[N]sbuffer [N] to buffer N
4814 */
4815 static void
4816 ex_buffer(eap)
4817 exarg_T *eap;
4818 {
4819 if (*eap->arg)
4820 eap->errmsg = e_trailing;
4821 else
4822 {
4823 if (eap->addr_count == 0) /* default is current buffer */
4824 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4825 else
4826 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4827 }
4828 }
4829
4830 /*
4831 * :[N]bmodified [N] to next mod. buffer
4832 * :[N]sbmodified [N] to next mod. buffer
4833 */
4834 static void
4835 ex_bmodified(eap)
4836 exarg_T *eap;
4837 {
4838 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4839 }
4840
4841 /*
4842 * :[N]bnext [N] to next buffer
4843 * :[N]sbnext [N] split and to next buffer
4844 */
4845 static void
4846 ex_bnext(eap)
4847 exarg_T *eap;
4848 {
4849 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4850 }
4851
4852 /*
4853 * :[N]bNext [N] to previous buffer
4854 * :[N]bprevious [N] to previous buffer
4855 * :[N]sbNext [N] split and to previous buffer
4856 * :[N]sbprevious [N] split and to previous buffer
4857 */
4858 static void
4859 ex_bprevious(eap)
4860 exarg_T *eap;
4861 {
4862 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4863 }
4864
4865 /*
4866 * :brewind to first buffer
4867 * :bfirst to first buffer
4868 * :sbrewind split and to first buffer
4869 * :sbfirst split and to first buffer
4870 */
4871 static void
4872 ex_brewind(eap)
4873 exarg_T *eap;
4874 {
4875 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4876 }
4877
4878 /*
4879 * :blast to last buffer
4880 * :sblast split and to last buffer
4881 */
4882 static void
4883 ex_blast(eap)
4884 exarg_T *eap;
4885 {
4886 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4887 }
4888 #endif
4889
4890 int
4891 ends_excmd(c)
4892 int c;
4893 {
4894 return (c == NUL || c == '|' || c == '"' || c == '\n');
4895 }
4896
4897 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4898 || defined(PROTO)
4899 /*
4900 * Return the next command, after the first '|' or '\n'.
4901 * Return NULL if not found.
4902 */
4903 char_u *
4904 find_nextcmd(p)
4905 char_u *p;
4906 {
4907 while (*p != '|' && *p != '\n')
4908 {
4909 if (*p == NUL)
4910 return NULL;
4911 ++p;
4912 }
4913 return (p + 1);
4914 }
4915 #endif
4916
4917 /*
4918 * Check if *p is a separator between Ex commands.
4919 * Return NULL if it isn't, (p + 1) if it is.
4920 */
4921 char_u *
4922 check_nextcmd(p)
4923 char_u *p;
4924 {
4925 p = skipwhite(p);
4926 if (*p == '|' || *p == '\n')
4927 return (p + 1);
4928 else
4929 return NULL;
4930 }
4931
4932 /*
4933 * - if there are more files to edit
4934 * - and this is the last window
4935 * - and forceit not used
4936 * - and not repeated twice on a row
4937 * return FAIL and give error message if 'message' TRUE
4938 * return OK otherwise
4939 */
4940 static int
4941 check_more(message, forceit)
4942 int message; /* when FALSE check only, no messages */
4943 int forceit;
4944 {
4945 int n = ARGCOUNT - curwin->w_arg_idx - 1;
4946
4947 if (!forceit && only_one_window()
4948 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
4949 {
4950 if (message)
4951 {
4952 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
4953 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
4954 {
4955 char_u buff[IOSIZE];
4956
4957 if (n == 1)
4958 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
4959 else
4960 vim_snprintf((char *)buff, IOSIZE,
4961 _("%d more files to edit. Quit anyway?"), n);
4962 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
4963 return OK;
4964 return FAIL;
4965 }
4966 #endif
4967 if (n == 1)
4968 EMSG(_("E173: 1 more file to edit"));
4969 else
4970 EMSGN(_("E173: %ld more files to edit"), n);
4971 quitmore = 2; /* next try to quit is allowed */
4972 }
4973 return FAIL;
4974 }
4975 return OK;
4976 }
4977
4978 #ifdef FEAT_CMDL_COMPL
4979 /*
4980 * Function given to ExpandGeneric() to obtain the list of command names.
4981 */
4982 /*ARGSUSED*/
4983 char_u *
4984 get_command_name(xp, idx)
4985 expand_T *xp;
4986 int idx;
4987 {
4988 if (idx >= (int)CMD_SIZE)
4989 # ifdef FEAT_USR_CMDS
4990 return get_user_command_name(idx);
4991 # else
4992 return NULL;
4993 # endif
4994 return cmdnames[idx].cmd_name;
4995 }
4996 #endif
4997
4998 #if defined(FEAT_USR_CMDS) || defined(PROTO)
4999 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));
5000 static void uc_list __ARGS((char_u *name, size_t name_len));
5001 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5002 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5003 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));
5004
5005 static int
5006 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5007 char_u *name;
5008 size_t name_len;
5009 char_u *rep;
5010 long argt;
5011 long def;
5012 int flags;
5013 int compl;
5014 char_u *compl_arg;
5015 int force;
5016 {
5017 ucmd_T *cmd = NULL;
5018 char_u *p;
5019 int i;
5020 int cmp = 1;
5021 char_u *rep_buf = NULL;
5022 garray_T *gap;
5023
5024 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5025 if (rep_buf == NULL)
5026 {
5027 /* Can't replace termcodes - try using the string as is */
5028 rep_buf = vim_strsave(rep);
5029
5030 /* Give up if out of memory */
5031 if (rep_buf == NULL)
5032 return FAIL;
5033 }
5034
5035 /* get address of growarray: global or in curbuf */
5036 if (flags & UC_BUFFER)
5037 {
5038 gap = &curbuf->b_ucmds;
5039 if (gap->ga_itemsize == 0)
5040 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5041 }
5042 else
5043 gap = &ucmds;
5044
5045 /* Search for the command in the already defined commands. */
5046 for (i = 0; i < gap->ga_len; ++i)
5047 {
5048 size_t len;
5049
5050 cmd = USER_CMD_GA(gap, i);
5051 len = STRLEN(cmd->uc_name);
5052 cmp = STRNCMP(name, cmd->uc_name, name_len);
5053 if (cmp == 0)
5054 {
5055 if (name_len < len)
5056 cmp = -1;
5057 else if (name_len > len)
5058 cmp = 1;
5059 }
5060
5061 if (cmp == 0)
5062 {
5063 if (!force)
5064 {
5065 EMSG(_("E174: Command already exists: add ! to replace it"));
5066 goto fail;
5067 }
5068
5069 vim_free(cmd->uc_rep);
5070 cmd->uc_rep = 0;
5071 break;
5072 }
5073
5074 /* Stop as soon as we pass the name to add */
5075 if (cmp < 0)
5076 break;
5077 }
5078
5079 /* Extend the array unless we're replacing an existing command */
5080 if (cmp != 0)
5081 {
5082 if (ga_grow(gap, 1) != OK)
5083 goto fail;
5084 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5085 goto fail;
5086
5087 cmd = USER_CMD_GA(gap, i);
5088 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5089
5090 ++gap->ga_len;
5091
5092 cmd->uc_name = p;
5093 }
5094
5095 cmd->uc_rep = rep_buf;
5096 cmd->uc_argt = argt;
5097 cmd->uc_def = def;
5098 cmd->uc_compl = compl;
5099 #ifdef FEAT_EVAL
5100 cmd->uc_scriptID = current_SID;
5101 # ifdef FEAT_CMDL_COMPL
5102 cmd->uc_compl_arg = compl_arg;
5103 # endif
5104 #endif
5105
5106 return OK;
5107
5108 fail:
5109 vim_free(rep_buf);
5110 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5111 vim_free(compl_arg);
5112 #endif
5113 return FAIL;
5114 }
5115
5116 /*
5117 * List of names for completion for ":command" with the EXPAND_ flag.
5118 * Must be alphabetical for completion.
5119 */
5120 static struct
5121 {
5122 int expand;
5123 char *name;
5124 } command_complete[] =
5125 {
5126 {EXPAND_AUGROUP, "augroup"},
5127 {EXPAND_BUFFERS, "buffer"},
5128 {EXPAND_COMMANDS, "command"},
5129 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5130 {EXPAND_USER_DEFINED, "custom"},
5131 {EXPAND_USER_LIST, "customlist"},
5132 #endif
5133 {EXPAND_DIRECTORIES, "dir"},
5134 {EXPAND_ENV_VARS, "environment"},
5135 {EXPAND_EVENTS, "event"},
5136 {EXPAND_EXPRESSION, "expression"},
5137 {EXPAND_FILES, "file"},
5138 {EXPAND_FUNCTIONS, "function"},
5139 {EXPAND_HELP, "help"},
5140 {EXPAND_HIGHLIGHT, "highlight"},
5141 {EXPAND_MAPPINGS, "mapping"},
5142 {EXPAND_MENUS, "menu"},
5143 {EXPAND_SETTINGS, "option"},
5144 {EXPAND_SHELLCMD, "shellcmd"},
5145 {EXPAND_TAGS, "tag"},
5146 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5147 {EXPAND_USER_VARS, "var"},
5148 {0, NULL}
5149 };
5150
5151 static void
5152 uc_list(name, name_len)
5153 char_u *name;
5154 size_t name_len;
5155 {
5156 int i, j;
5157 int found = FALSE;
5158 ucmd_T *cmd;
5159 int len;
5160 long a;
5161 garray_T *gap;
5162
5163 gap = &curbuf->b_ucmds;
5164 for (;;)
5165 {
5166 for (i = 0; i < gap->ga_len; ++i)
5167 {
5168 cmd = USER_CMD_GA(gap, i);
5169 a = (long)cmd->uc_argt;
5170
5171 /* Skip commands which don't match the requested prefix */
5172 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5173 continue;
5174
5175 /* Put out the title first time */
5176 if (!found)
5177 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5178 found = TRUE;
5179 msg_putchar('\n');
5180 if (got_int)
5181 break;
5182
5183 /* Special cases */
5184 msg_putchar(a & BANG ? '!' : ' ');
5185 msg_putchar(a & REGSTR ? '"' : ' ');
5186 msg_putchar(gap != &ucmds ? 'b' : ' ');
5187 msg_putchar(' ');
5188
5189 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5190 len = (int)STRLEN(cmd->uc_name) + 4;
5191
5192 do {
5193 msg_putchar(' ');
5194 ++len;
5195 } while (len < 16);
5196
5197 len = 0;
5198
5199 /* Arguments */
5200 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5201 {
5202 case 0: IObuff[len++] = '0'; break;
5203 case (EXTRA): IObuff[len++] = '*'; break;
5204 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5205 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5206 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5207 }
5208
5209 do {
5210 IObuff[len++] = ' ';
5211 } while (len < 5);
5212
5213 /* Range */
5214 if (a & (RANGE|COUNT))
5215 {
5216 if (a & COUNT)
5217 {
5218 /* -count=N */
5219 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5220 len += (int)STRLEN(IObuff + len);
5221 }
5222 else if (a & DFLALL)
5223 IObuff[len++] = '%';
5224 else if (cmd->uc_def >= 0)
5225 {
5226 /* -range=N */
5227 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5228 len += (int)STRLEN(IObuff + len);
5229 }
5230 else
5231 IObuff[len++] = '.';
5232 }
5233
5234 do {
5235 IObuff[len++] = ' ';
5236 } while (len < 11);
5237
5238 /* Completion */
5239 for (j = 0; command_complete[j].expand != 0; ++j)
5240 if (command_complete[j].expand == cmd->uc_compl)
5241 {
5242 STRCPY(IObuff + len, command_complete[j].name);
5243 len += (int)STRLEN(IObuff + len);
5244 break;
5245 }
5246
5247 do {
5248 IObuff[len++] = ' ';
5249 } while (len < 21);
5250
5251 IObuff[len] = '\0';
5252 msg_outtrans(IObuff);
5253
5254 msg_outtrans_special(cmd->uc_rep, FALSE);
5255 #ifdef FEAT_EVAL
5256 if (p_verbose > 0)
5257 last_set_msg(cmd->uc_scriptID);
5258 #endif
5259 out_flush();
5260 ui_breakcheck();
5261 if (got_int)
5262 break;
5263 }
5264 if (gap == &ucmds || i < gap->ga_len)
5265 break;
5266 gap = &ucmds;
5267 }
5268
5269 if (!found)
5270 MSG(_("No user-defined commands found"));
5271 }
5272
5273 static char_u *
5274 uc_fun_cmd()
5275 {
5276 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5277 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5278 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5279 0xb9, 0x7f, 0};
5280 int i;
5281
5282 for (i = 0; fcmd[i]; ++i)
5283 IObuff[i] = fcmd[i] - 0x40;
5284 IObuff[i] = 0;
5285 return IObuff;
5286 }
5287
5288 static int
5289 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5290 char_u *attr;
5291 size_t len;
5292 long *argt;
5293 long *def;
5294 int *flags;
5295 int *compl;
5296 char_u **compl_arg;
5297 {
5298 char_u *p;
5299
5300 if (len == 0)
5301 {
5302 EMSG(_("E175: No attribute specified"));
5303 return FAIL;
5304 }
5305
5306 /* First, try the simple attributes (no arguments) */
5307 if (STRNICMP(attr, "bang", len) == 0)
5308 *argt |= BANG;
5309 else if (STRNICMP(attr, "buffer", len) == 0)
5310 *flags |= UC_BUFFER;
5311 else if (STRNICMP(attr, "register", len) == 0)
5312 *argt |= REGSTR;
5313 else if (STRNICMP(attr, "bar", len) == 0)
5314 *argt |= TRLBAR;
5315 else
5316 {
5317 int i;
5318 char_u *val = NULL;
5319 size_t vallen = 0;
5320 size_t attrlen = len;
5321
5322 /* Look for the attribute name - which is the part before any '=' */
5323 for (i = 0; i < (int)len; ++i)
5324 {
5325 if (attr[i] == '=')
5326 {
5327 val = &attr[i + 1];
5328 vallen = len - i - 1;
5329 attrlen = i;
5330 break;
5331 }
5332 }
5333
5334 if (STRNICMP(attr, "nargs", attrlen) == 0)
5335 {
5336 if (vallen == 1)
5337 {
5338 if (*val == '0')
5339 /* Do nothing - this is the default */;
5340 else if (*val == '1')
5341 *argt |= (EXTRA | NOSPC | NEEDARG);
5342 else if (*val == '*')
5343 *argt |= EXTRA;
5344 else if (*val == '?')
5345 *argt |= (EXTRA | NOSPC);
5346 else if (*val == '+')
5347 *argt |= (EXTRA | NEEDARG);
5348 else
5349 goto wrong_nargs;
5350 }
5351 else
5352 {
5353 wrong_nargs:
5354 EMSG(_("E176: Invalid number of arguments"));
5355 return FAIL;
5356 }
5357 }
5358 else if (STRNICMP(attr, "range", attrlen) == 0)
5359 {
5360 *argt |= RANGE;
5361 if (vallen == 1 && *val == '%')
5362 *argt |= DFLALL;
5363 else if (val != NULL)
5364 {
5365 p = val;
5366 if (*def >= 0)
5367 {
5368 two_count:
5369 EMSG(_("E177: Count cannot be specified twice"));
5370 return FAIL;
5371 }
5372
5373 *def = getdigits(&p);
5374 *argt |= (ZEROR | NOTADR);
5375
5376 if (p != val + vallen || vallen == 0)
5377 {
5378 invalid_count:
5379 EMSG(_("E178: Invalid default value for count"));
5380 return FAIL;
5381 }
5382 }
5383 }
5384 else if (STRNICMP(attr, "count", attrlen) == 0)
5385 {
5386 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5387
5388 if (val != NULL)
5389 {
5390 p = val;
5391 if (*def >= 0)
5392 goto two_count;
5393
5394 *def = getdigits(&p);
5395
5396 if (p != val + vallen)
5397 goto invalid_count;
5398 }
5399
5400 if (*def < 0)
5401 *def = 0;
5402 }
5403 else if (STRNICMP(attr, "complete", attrlen) == 0)
5404 {
5405 if (val == NULL)
5406 {
5407 EMSG(_("E179: argument required for -complete"));
5408 return FAIL;
5409 }
5410
5411 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5412 == FAIL)
5413 return FAIL;
5414 }
5415 else
5416 {
5417 char_u ch = attr[len];
5418 attr[len] = '\0';
5419 EMSG2(_("E181: Invalid attribute: %s"), attr);
5420 attr[len] = ch;
5421 return FAIL;
5422 }
5423 }
5424
5425 return OK;
5426 }
5427
5428 static void
5429 ex_command(eap)
5430 exarg_T *eap;
5431 {
5432 char_u *name;
5433 char_u *end;
5434 char_u *p;
5435 long argt = 0;
5436 long def = -1;
5437 int flags = 0;
5438 int compl = EXPAND_NOTHING;
5439 char_u *compl_arg = NULL;
5440 int has_attr = (eap->arg[0] == '-');
5441
5442 p = eap->arg;
5443
5444 /* Check for attributes */
5445 while (*p == '-')
5446 {
5447 ++p;
5448 end = skiptowhite(p);
5449 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5450 == FAIL)
5451 return;
5452 p = skipwhite(end);
5453 }
5454
5455 /* Get the name (if any) and skip to the following argument */
5456 name = p;
5457 if (ASCII_ISALPHA(*p))
5458 while (ASCII_ISALNUM(*p))
5459 ++p;
5460 if (!ends_excmd(*p) && !vim_iswhite(*p))
5461 {
5462 EMSG(_("E182: Invalid command name"));
5463 return;
5464 }
5465 end = p;
5466
5467 /* If there is nothing after the name, and no attributes were specified,
5468 * we are listing commands
5469 */
5470 p = skipwhite(end);
5471 if (!has_attr && ends_excmd(*p))
5472 {
5473 uc_list(name, end - name);
5474 }
5475 else if (!ASCII_ISUPPER(*name))
5476 {
5477 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5478 return;
5479 }
5480 else
5481 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5482 eap->forceit);
5483 }
5484
5485 /*
5486 * ":comclear"
5487 * Clear all user commands, global and for current buffer.
5488 */
5489 /*ARGSUSED*/
5490 void
5491 ex_comclear(eap)
5492 exarg_T *eap;
5493 {
5494 uc_clear(&ucmds);
5495 uc_clear(&curbuf->b_ucmds);
5496 }
5497
5498 /*
5499 * Clear all user commands for "gap".
5500 */
5501 void
5502 uc_clear(gap)
5503 garray_T *gap;
5504 {
5505 int i;
5506 ucmd_T *cmd;
5507
5508 for (i = 0; i < gap->ga_len; ++i)
5509 {
5510 cmd = USER_CMD_GA(gap, i);
5511 vim_free(cmd->uc_name);
5512 vim_free(cmd->uc_rep);
5513 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5514 vim_free(cmd->uc_compl_arg);
5515 # endif
5516 }
5517 ga_clear(gap);
5518 }
5519
5520 static void
5521 ex_delcommand(eap)
5522 exarg_T *eap;
5523 {
5524 int i = 0;
5525 ucmd_T *cmd = NULL;
5526 int cmp = -1;
5527 garray_T *gap;
5528
5529 gap = &curbuf->b_ucmds;
5530 for (;;)
5531 {
5532 for (i = 0; i < gap->ga_len; ++i)
5533 {
5534 cmd = USER_CMD_GA(gap, i);
5535 cmp = STRCMP(eap->arg, cmd->uc_name);
5536 if (cmp <= 0)
5537 break;
5538 }
5539 if (gap == &ucmds || cmp == 0)
5540 break;
5541 gap = &ucmds;
5542 }
5543
5544 if (cmp != 0)
5545 {
5546 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5547 return;
5548 }
5549
5550 vim_free(cmd->uc_name);
5551 vim_free(cmd->uc_rep);
5552 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5553 vim_free(cmd->uc_compl_arg);
5554 # endif
5555
5556 --gap->ga_len;
5557
5558 if (i < gap->ga_len)
5559 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5560 }
5561
5562 /*
5563 * split and quote args for <f-args>
5564 */
5565 static char_u *
5566 uc_split_args(arg, lenp)
5567 char_u *arg;
5568 size_t *lenp;
5569 {
5570 char_u *buf;
5571 char_u *p;
5572 char_u *q;
5573 int len;
5574
5575 /* Precalculate length */
5576 p = arg;
5577 len = 2; /* Initial and final quotes */
5578
5579 while (*p)
5580 {
5581 if (p[0] == '\\' && p[1] == '\\')
5582 {
5583 len += 2;
5584 p += 2;
5585 }
5586 else if (p[0] == '\\' && vim_iswhite(p[1]))
5587 {
5588 len += 1;
5589 p += 2;
5590 }
5591 else if (*p == '\\' || *p == '"')
5592 {
5593 len += 2;
5594 p += 1;
5595 }
5596 else if (vim_iswhite(*p))
5597 {
5598 p = skipwhite(p);
5599 if (*p == NUL)
5600 break;
5601 len += 3; /* "," */
5602 }
5603 else
5604 {
5605 ++len;
5606 ++p;
5607 }
5608 }
5609
5610 buf = alloc(len + 1);
5611 if (buf == NULL)
5612 {
5613 *lenp = 0;
5614 return buf;
5615 }
5616
5617 p = arg;
5618 q = buf;
5619 *q++ = '"';
5620 while (*p)
5621 {
5622 if (p[0] == '\\' && p[1] == '\\')
5623 {
5624 *q++ = '\\';
5625 *q++ = '\\';
5626 p += 2;
5627 }
5628 else if (p[0] == '\\' && vim_iswhite(p[1]))
5629 {
5630 *q++ = p[1];
5631 p += 2;
5632 }
5633 else if (*p == '\\' || *p == '"')
5634 {
5635 *q++ = '\\';
5636 *q++ = *p++;
5637 }
5638 else if (vim_iswhite(*p))
5639 {
5640 p = skipwhite(p);
5641 if (*p == NUL)
5642 break;
5643 *q++ = '"';
5644 *q++ = ',';
5645 *q++ = '"';
5646 }
5647 else
5648 {
5649 *q++ = *p++;
5650 }
5651 }
5652 *q++ = '"';
5653 *q = 0;
5654
5655 *lenp = len;
5656 return buf;
5657 }
5658
5659 /*
5660 * Check for a <> code in a user command.
5661 * "code" points to the '<'. "len" the length of the <> (inclusive).
5662 * "buf" is where the result is to be added.
5663 * "split_buf" points to a buffer used for splitting, caller should free it.
5664 * "split_len" is the length of what "split_buf" contains.
5665 * Returns the length of the replacement, which has been added to "buf".
5666 * Returns -1 if there was no match, and only the "<" has been copied.
5667 */
5668 static size_t
5669 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5670 char_u *code;
5671 size_t len;
5672 char_u *buf;
5673 ucmd_T *cmd; /* the user command we're expanding */
5674 exarg_T *eap; /* ex arguments */
5675 char_u **split_buf;
5676 size_t *split_len;
5677 {
5678 size_t result = 0;
5679 char_u *p = code + 1;
5680 size_t l = len - 2;
5681 int quote = 0;
5682 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5683 ct_LT, ct_NONE } type = ct_NONE;
5684
5685 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5686 {
5687 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5688 p += 2;
5689 l -= 2;
5690 }
5691
5692 ++l;
5693 if (l <= 1)
5694 type = ct_NONE;
5695 else if (STRNICMP(p, "args>", l) == 0)
5696 type = ct_ARGS;
5697 else if (STRNICMP(p, "bang>", l) == 0)
5698 type = ct_BANG;
5699 else if (STRNICMP(p, "count>", l) == 0)
5700 type = ct_COUNT;
5701 else if (STRNICMP(p, "line1>", l) == 0)
5702 type = ct_LINE1;
5703 else if (STRNICMP(p, "line2>", l) == 0)
5704 type = ct_LINE2;
5705 else if (STRNICMP(p, "lt>", l) == 0)
5706 type = ct_LT;
5707 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5708 type = ct_REGISTER;
5709
5710 switch (type)
5711 {
5712 case ct_ARGS:
5713 /* Simple case first */
5714 if (*eap->arg == NUL)
5715 {
5716 if (quote == 1)
5717 {
5718 result = 2;
5719 if (buf != NULL)
5720 STRCPY(buf, "''");
5721 }
5722 else
5723 result = 0;
5724 break;
5725 }
5726
5727 /* When specified there is a single argument don't split it.
5728 * Works for ":Cmd %" when % is "a b c". */
5729 if ((eap->argt & NOSPC) && quote == 2)
5730 quote = 1;
5731
5732 switch (quote)
5733 {
5734 case 0: /* No quoting, no splitting */
5735 result = STRLEN(eap->arg);
5736 if (buf != NULL)
5737 STRCPY(buf, eap->arg);
5738 break;
5739 case 1: /* Quote, but don't split */
5740 result = STRLEN(eap->arg) + 2;
5741 for (p = eap->arg; *p; ++p)
5742 {
5743 if (*p == '\\' || *p == '"')
5744 ++result;
5745 }
5746
5747 if (buf != NULL)
5748 {
5749 *buf++ = '"';
5750 for (p = eap->arg; *p; ++p)
5751 {
5752 if (*p == '\\' || *p == '"')
5753 *buf++ = '\\';
5754 *buf++ = *p;
5755 }
5756 *buf = '"';
5757 }
5758
5759 break;
5760 case 2: /* Quote and split (<f-args>) */
5761 /* This is hard, so only do it once, and cache the result */
5762 if (*split_buf == NULL)
5763 *split_buf = uc_split_args(eap->arg, split_len);
5764
5765 result = *split_len;
5766 if (buf != NULL && result != 0)
5767 STRCPY(buf, *split_buf);
5768
5769 break;
5770 }
5771 break;
5772
5773 case ct_BANG:
5774 result = eap->forceit ? 1 : 0;
5775 if (quote)
5776 result += 2;
5777 if (buf != NULL)
5778 {
5779 if (quote)
5780 *buf++ = '"';
5781 if (eap->forceit)
5782 *buf++ = '!';
5783 if (quote)
5784 *buf = '"';
5785 }
5786 break;
5787
5788 case ct_LINE1:
5789 case ct_LINE2:
5790 case ct_COUNT:
5791 {
5792 char num_buf[20];
5793 long num = (type == ct_LINE1) ? eap->line1 :
5794 (type == ct_LINE2) ? eap->line2 :
5795 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5796 size_t num_len;
5797
5798 sprintf(num_buf, "%ld", num);
5799 num_len = STRLEN(num_buf);
5800 result = num_len;
5801
5802 if (quote)
5803 result += 2;
5804
5805 if (buf != NULL)
5806 {
5807 if (quote)
5808 *buf++ = '"';
5809 STRCPY(buf, num_buf);
5810 buf += num_len;
5811 if (quote)
5812 *buf = '"';
5813 }
5814
5815 break;
5816 }
5817
5818 case ct_REGISTER:
5819 result = eap->regname ? 1 : 0;
5820 if (quote)
5821 result += 2;
5822 if (buf != NULL)
5823 {
5824 if (quote)
5825 *buf++ = '\'';
5826 if (eap->regname)
5827 *buf++ = eap->regname;
5828 if (quote)
5829 *buf = '\'';
5830 }
5831 break;
5832
5833 case ct_LT:
5834 result = 1;
5835 if (buf != NULL)
5836 *buf = '<';
5837 break;
5838
5839 default:
5840 /* Not recognized: just copy the '<' and return -1. */
5841 result = (size_t)-1;
5842 if (buf != NULL)
5843 *buf = '<';
5844 break;
5845 }
5846
5847 return result;
5848 }
5849
5850 static void
5851 do_ucmd(eap)
5852 exarg_T *eap;
5853 {
5854 char_u *buf;
5855 char_u *p;
5856 char_u *q;
5857
5858 char_u *start;
5859 char_u *end;
5860 size_t len, totlen;
5861
5862 size_t split_len = 0;
5863 char_u *split_buf = NULL;
5864 ucmd_T *cmd;
5865 #ifdef FEAT_EVAL
5866 scid_T save_current_SID = current_SID;
5867 #endif
5868
5869 if (eap->cmdidx == CMD_USER)
5870 cmd = USER_CMD(eap->useridx);
5871 else
5872 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5873
5874 /*
5875 * Replace <> in the command by the arguments.
5876 */
5877 buf = NULL;
5878 for (;;)
5879 {
5880 p = cmd->uc_rep;
5881 q = buf;
5882 totlen = 0;
5883 while ((start = vim_strchr(p, '<')) != NULL
5884 && (end = vim_strchr(start + 1, '>')) != NULL)
5885 {
5886 /* Include the '>' */
5887 ++end;
5888
5889 /* Take everything up to the '<' */
5890 len = start - p;
5891 if (buf == NULL)
5892 totlen += len;
5893 else
5894 {
5895 mch_memmove(q, p, len);
5896 q += len;
5897 }
5898
5899 len = uc_check_code(start, end - start, q, cmd, eap,
5900 &split_buf, &split_len);
5901 if (len == (size_t)-1)
5902 {
5903 /* no match, continue after '<' */
5904 p = start + 1;
5905 len = 1;
5906 }
5907 else
5908 p = end;
5909 if (buf == NULL)
5910 totlen += len;
5911 else
5912 q += len;
5913 }
5914 if (buf != NULL) /* second time here, finished */
5915 {
5916 STRCPY(q, p);
5917 break;
5918 }
5919
5920 totlen += STRLEN(p); /* Add on the trailing characters */
5921 buf = alloc((unsigned)(totlen + 1));
5922 if (buf == NULL)
5923 {
5924 vim_free(split_buf);
5925 return;
5926 }
5927 }
5928
5929 #ifdef FEAT_EVAL
5930 current_SID = cmd->uc_scriptID;
5931 #endif
5932 (void)do_cmdline(buf, eap->getline, eap->cookie,
5933 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5934 #ifdef FEAT_EVAL
5935 current_SID = save_current_SID;
5936 #endif
5937 vim_free(buf);
5938 vim_free(split_buf);
5939 }
5940
5941 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
5942 static char_u *
5943 get_user_command_name(idx)
5944 int idx;
5945 {
5946 return get_user_commands(NULL, idx - (int)CMD_SIZE);
5947 }
5948
5949 /*
5950 * Function given to ExpandGeneric() to obtain the list of user command names.
5951 */
5952 /*ARGSUSED*/
5953 char_u *
5954 get_user_commands(xp, idx)
5955 expand_T *xp;
5956 int idx;
5957 {
5958 if (idx < curbuf->b_ucmds.ga_len)
5959 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
5960 idx -= curbuf->b_ucmds.ga_len;
5961 if (idx < ucmds.ga_len)
5962 return USER_CMD(idx)->uc_name;
5963 return NULL;
5964 }
5965
5966 /*
5967 * Function given to ExpandGeneric() to obtain the list of user command
5968 * attributes.
5969 */
5970 /*ARGSUSED*/
5971 char_u *
5972 get_user_cmd_flags(xp, idx)
5973 expand_T *xp;
5974 int idx;
5975 {
5976 static char *user_cmd_flags[] =
5977 {"bang", "bar", "buffer", "complete", "count",
5978 "nargs", "range", "register"};
5979
5980 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
5981 return NULL;
5982 return (char_u *)user_cmd_flags[idx];
5983 }
5984
5985 /*
5986 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
5987 */
5988 /*ARGSUSED*/
5989 char_u *
5990 get_user_cmd_nargs(xp, idx)
5991 expand_T *xp;
5992 int idx;
5993 {
5994 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
5995
5996 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
5997 return NULL;
5998 return (char_u *)user_cmd_nargs[idx];
5999 }
6000
6001 /*
6002 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6003 */
6004 /*ARGSUSED*/
6005 char_u *
6006 get_user_cmd_complete(xp, idx)
6007 expand_T *xp;
6008 int idx;
6009 {
6010 return (char_u *)command_complete[idx].name;
6011 }
6012 # endif /* FEAT_CMDL_COMPL */
6013
6014 #endif /* FEAT_USR_CMDS */
6015
6016 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6017 /*
6018 * Parse a completion argument "value[vallen]".
6019 * The detected completion goes in "*complp", argument type in "*argt".
6020 * When there is an argument, for function and user defined completion, it's
6021 * copied to allocated memory and stored in "*compl_arg".
6022 * Returns FAIL if something is wrong.
6023 */
6024 int
6025 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6026 char_u *value;
6027 int vallen;
6028 int *complp;
6029 long *argt;
6030 char_u **compl_arg;
6031 {
6032 char_u *arg = NULL;
6033 size_t arglen = 0;
6034 int i;
6035 int valend = vallen;
6036
6037 /* Look for any argument part - which is the part after any ',' */
6038 for (i = 0; i < vallen; ++i)
6039 {
6040 if (value[i] == ',')
6041 {
6042 arg = &value[i + 1];
6043 arglen = vallen - i - 1;
6044 valend = i;
6045 break;
6046 }
6047 }
6048
6049 for (i = 0; command_complete[i].expand != 0; ++i)
6050 {
6051 if ((int)STRLEN(command_complete[i].name) == valend
6052 && STRNCMP(value, command_complete[i].name, valend) == 0)
6053 {
6054 *complp = command_complete[i].expand;
6055 if (command_complete[i].expand == EXPAND_BUFFERS)
6056 *argt |= BUFNAME;
6057 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6058 || command_complete[i].expand == EXPAND_FILES)
6059 *argt |= XFILE;
6060 break;
6061 }
6062 }
6063
6064 if (command_complete[i].expand == 0)
6065 {
6066 EMSG2(_("E180: Invalid complete value: %s"), value);
6067 return FAIL;
6068 }
6069
6070 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6071 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6072 && arg != NULL)
6073 # else
6074 if (arg != NULL)
6075 # endif
6076 {
6077 EMSG(_("E468: Completion argument only allowed for custom completion"));
6078 return FAIL;
6079 }
6080
6081 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6082 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6083 && arg == NULL)
6084 {
6085 EMSG(_("E467: Custom completion requires a function argument"));
6086 return FAIL;
6087 }
6088
6089 if (arg != NULL)
6090 *compl_arg = vim_strnsave(arg, (int)arglen);
6091 # endif
6092 return OK;
6093 }
6094 #endif
6095
6096 static void
6097 ex_colorscheme(eap)
6098 exarg_T *eap;
6099 {
6100 if (load_colors(eap->arg) == FAIL)
6101 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6102 }
6103
6104 static void
6105 ex_highlight(eap)
6106 exarg_T *eap;
6107 {
6108 if (*eap->arg == NUL && eap->cmd[2] == '!')
6109 MSG(_("Greetings, Vim user!"));
6110 do_highlight(eap->arg, eap->forceit, FALSE);
6111 }
6112
6113
6114 /*
6115 * Call this function if we thought we were going to exit, but we won't
6116 * (because of an error). May need to restore the terminal mode.
6117 */
6118 void
6119 not_exiting()
6120 {
6121 exiting = FALSE;
6122 settmode(TMODE_RAW);
6123 }
6124
6125 /*
6126 * ":quit": quit current window, quit Vim if closed the last window.
6127 */
6128 static void
6129 ex_quit(eap)
6130 exarg_T *eap;
6131 {
6132 #ifdef FEAT_CMDWIN
6133 if (cmdwin_type != 0)
6134 {
6135 cmdwin_result = Ctrl_C;
6136 return;
6137 }
6138 #endif
6139 /* Don't quit while editing the command line. */
6140 if (text_locked())
6141 {
6142 text_locked_msg();
6143 return;
6144 }
6145 #ifdef FEAT_AUTOCMD
6146 if (curbuf_locked())
6147 return;
6148 #endif
6149
6150 #ifdef FEAT_NETBEANS_INTG
6151 netbeansForcedQuit = eap->forceit;
6152 #endif
6153
6154 /*
6155 * If there are more files or windows we won't exit.
6156 */
6157 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6158 exiting = TRUE;
6159 if ((!P_HID(curbuf)
6160 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6161 || check_more(TRUE, eap->forceit) == FAIL
6162 || (only_one_window() && check_changed_any(eap->forceit)))
6163 {
6164 not_exiting();
6165 }
6166 else
6167 {
6168 #ifdef FEAT_WINDOWS
6169 if (only_one_window()) /* quit last window */
6170 #endif
6171 getout(0);
6172 #ifdef FEAT_WINDOWS
6173 # ifdef FEAT_GUI
6174 need_mouse_correct = TRUE;
6175 # endif
6176 /* close window; may free buffer */
6177 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6178 #endif
6179 }
6180 }
6181
6182 /*
6183 * ":cquit".
6184 */
6185 /*ARGSUSED*/
6186 static void
6187 ex_cquit(eap)
6188 exarg_T *eap;
6189 {
6190 getout(1); /* this does not always pass on the exit code to the Manx
6191 compiler. why? */
6192 }
6193
6194 /*
6195 * ":qall": try to quit all windows
6196 */
6197 static void
6198 ex_quit_all(eap)
6199 exarg_T *eap;
6200 {
6201 # ifdef FEAT_CMDWIN
6202 if (cmdwin_type != 0)
6203 {
6204 if (eap->forceit)
6205 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6206 else
6207 cmdwin_result = K_XF2;
6208 return;
6209 }
6210 # endif
6211
6212 /* Don't quit while editing the command line. */
6213 if (text_locked())
6214 {
6215 text_locked_msg();
6216 return;
6217 }
6218 #ifdef FEAT_AUTOCMD
6219 if (curbuf_locked())
6220 return;
6221 #endif
6222
6223 exiting = TRUE;
6224 if (eap->forceit || !check_changed_any(FALSE))
6225 getout(0);
6226 not_exiting();
6227 }
6228
6229 #if defined(FEAT_WINDOWS) || defined(PROTO)
6230 /*
6231 * ":close": close current window, unless it is the last one
6232 */
6233 static void
6234 ex_close(eap)
6235 exarg_T *eap;
6236 {
6237 # ifdef FEAT_CMDWIN
6238 if (cmdwin_type != 0)
6239 cmdwin_result = K_IGNORE;
6240 else
6241 # endif
6242 if (!text_locked()
6243 #ifdef FEAT_AUTOCMD
6244 && !curbuf_locked()
6245 #endif
6246 )
6247 ex_win_close(eap->forceit, curwin, NULL);
6248 }
6249
6250 # ifdef FEAT_QUICKFIX
6251 /*
6252 * ":pclose": Close any preview window.
6253 */
6254 static void
6255 ex_pclose(eap)
6256 exarg_T *eap;
6257 {
6258 win_T *win;
6259
6260 for (win = firstwin; win != NULL; win = win->w_next)
6261 if (win->w_p_pvw)
6262 {
6263 ex_win_close(eap->forceit, win, NULL);
6264 break;
6265 }
6266 }
6267 # endif
6268
6269 /*
6270 * Close window "win" and take care of handling closing the last window for a
6271 * modified buffer.
6272 */
6273 static void
6274 ex_win_close(forceit, win, tp)
6275 int forceit;
6276 win_T *win;
6277 tabpage_T *tp; /* NULL or the tab page "win" is in */
6278 {
6279 int need_hide;
6280 buf_T *buf = win->w_buffer;
6281
6282 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6283 if (need_hide && !P_HID(buf) && !forceit)
6284 {
6285 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6286 if ((p_confirm || cmdmod.confirm) && p_write)
6287 {
6288 dialog_changed(buf, FALSE);
6289 if (buf_valid(buf) && bufIsChanged(buf))
6290 return;
6291 need_hide = FALSE;
6292 }
6293 else
6294 # endif
6295 {
6296 EMSG(_(e_nowrtmsg));
6297 return;
6298 }
6299 }
6300
6301 # ifdef FEAT_GUI
6302 need_mouse_correct = TRUE;
6303 # endif
6304
6305 /* free buffer when not hiding it or when it's a scratch buffer */
6306 if (tp == NULL)
6307 win_close(win, !need_hide && !P_HID(buf));
6308 else
6309 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6310 }
6311
6312 /*
6313 * ":tabclose": close current tab page, unless it is the last one.
6314 * ":tabclose N": close tab page N.
6315 */
6316 static void
6317 ex_tabclose(eap)
6318 exarg_T *eap;
6319 {
6320 tabpage_T *tp;
6321
6322 # ifdef FEAT_CMDWIN
6323 if (cmdwin_type != 0)
6324 cmdwin_result = K_IGNORE;
6325 else
6326 # endif
6327 if (first_tabpage->tp_next == NULL)
6328 EMSG(_("E784: Cannot close last tab page"));
6329 else
6330 {
6331 if (eap->addr_count > 0)
6332 {
6333 tp = find_tabpage((int)eap->line2);
6334 if (tp == NULL)
6335 {
6336 beep_flush();
6337 return;
6338 }
6339 if (tp != curtab)
6340 {
6341 tabpage_close_other(tp, eap->forceit);
6342 return;
6343 }
6344 }
6345 if (!text_locked()
6346 #ifdef FEAT_AUTOCMD
6347 && !curbuf_locked()
6348 #endif
6349 )
6350 tabpage_close(eap->forceit);
6351 }
6352 }
6353
6354 /*
6355 * ":tabonly": close all tab pages except the current one
6356 */
6357 static void
6358 ex_tabonly(eap)
6359 exarg_T *eap;
6360 {
6361 tabpage_T *tp;
6362 int done;
6363
6364 # ifdef FEAT_CMDWIN
6365 if (cmdwin_type != 0)
6366 cmdwin_result = K_IGNORE;
6367 else
6368 # endif
6369 if (first_tabpage->tp_next == NULL)
6370 MSG(_("Already only one tab page"));
6371 else
6372 {
6373 /* Repeat this up to a 1000 times, because autocommands may mess
6374 * up the lists. */
6375 for (done = 0; done < 1000; ++done)
6376 {
6377 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6378 if (tp->tp_topframe != topframe)
6379 {
6380 tabpage_close_other(tp, eap->forceit);
6381 /* if we failed to close it quit */
6382 if (valid_tabpage(tp))
6383 done = 1000;
6384 /* start over, "tp" is now invalid */
6385 break;
6386 }
6387 if (first_tabpage->tp_next == NULL)
6388 break;
6389 }
6390 }
6391 }
6392
6393 /*
6394 * Close the current tab page.
6395 */
6396 void
6397 tabpage_close(forceit)
6398 int forceit;
6399 {
6400 /* First close all the windows but the current one. If that worked then
6401 * close the last window in this tab, that will close it. */
6402 if (lastwin != firstwin)
6403 close_others(TRUE, forceit);
6404 if (lastwin == firstwin)
6405 ex_win_close(forceit, curwin, NULL);
6406 # ifdef FEAT_GUI
6407 need_mouse_correct = TRUE;
6408 # endif
6409 }
6410
6411 /*
6412 * Close tab page "tp", which is not the current tab page.
6413 * Note that autocommands may make "tp" invalid.
6414 * Also takes care of the tab pages line disappearing when closing the
6415 * last-but-one tab page.
6416 */
6417 void
6418 tabpage_close_other(tp, forceit)
6419 tabpage_T *tp;
6420 int forceit;
6421 {
6422 int done = 0;
6423 win_T *wp;
6424 int h = tabline_height();
6425
6426 /* Limit to 1000 windows, autocommands may add a window while we close
6427 * one. OK, so I'm paranoid... */
6428 while (++done < 1000)
6429 {
6430 wp = tp->tp_firstwin;
6431 ex_win_close(forceit, wp, tp);
6432
6433 /* Autocommands may delete the tab page under our fingers and we may
6434 * fail to close a window with a modified buffer. */
6435 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6436 break;
6437 }
6438
6439 redraw_tabline = TRUE;
6440 if (h != tabline_height())
6441 shell_new_rows();
6442 }
6443
6444 /*
6445 * ":only".
6446 */
6447 static void
6448 ex_only(eap)
6449 exarg_T *eap;
6450 {
6451 # ifdef FEAT_GUI
6452 need_mouse_correct = TRUE;
6453 # endif
6454 close_others(TRUE, eap->forceit);
6455 }
6456
6457 /*
6458 * ":all" and ":sall".
6459 * Also used for ":tab drop file ..." after setting the argument list.
6460 */
6461 void
6462 ex_all(eap)
6463 exarg_T *eap;
6464 {
6465 if (eap->addr_count == 0)
6466 eap->line2 = 9999;
6467 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6468 }
6469 #endif /* FEAT_WINDOWS */
6470
6471 static void
6472 ex_hide(eap)
6473 exarg_T *eap;
6474 {
6475 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6476 eap->errmsg = e_invarg;
6477 else
6478 {
6479 /* ":hide" or ":hide | cmd": hide current window */
6480 eap->nextcmd = check_nextcmd(eap->arg);
6481 #ifdef FEAT_WINDOWS
6482 if (!eap->skip)
6483 {
6484 # ifdef FEAT_GUI
6485 need_mouse_correct = TRUE;
6486 # endif
6487 win_close(curwin, FALSE); /* don't free buffer */
6488 }
6489 #endif
6490 }
6491 }
6492
6493 /*
6494 * ":stop" and ":suspend": Suspend Vim.
6495 */
6496 static void
6497 ex_stop(eap)
6498 exarg_T *eap;
6499 {
6500 /*
6501 * Disallow suspending for "rvim".
6502 */
6503 if (!check_restricted()
6504 #ifdef WIN3264
6505 /*
6506 * Check if external commands are allowed now.
6507 */
6508 && can_end_termcap_mode(TRUE)
6509 #endif
6510 )
6511 {
6512 if (!eap->forceit)
6513 autowrite_all();
6514 windgoto((int)Rows - 1, 0);
6515 out_char('\n');
6516 out_flush();
6517 stoptermcap();
6518 out_flush(); /* needed for SUN to restore xterm buffer */
6519 #ifdef FEAT_TITLE
6520 mch_restore_title(3); /* restore window titles */
6521 #endif
6522 ui_suspend(); /* call machine specific function */
6523 #ifdef FEAT_TITLE
6524 maketitle();
6525 resettitle(); /* force updating the title */
6526 #endif
6527 starttermcap();
6528 scroll_start(); /* scroll screen before redrawing */
6529 redraw_later_clear();
6530 shell_resized(); /* may have resized window */
6531 }
6532 }
6533
6534 /*
6535 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6536 */
6537 static void
6538 ex_exit(eap)
6539 exarg_T *eap;
6540 {
6541 #ifdef FEAT_CMDWIN
6542 if (cmdwin_type != 0)
6543 {
6544 cmdwin_result = Ctrl_C;
6545 return;
6546 }
6547 #endif
6548 /* Don't quit while editing the command line. */
6549 if (text_locked())
6550 {
6551 text_locked_msg();
6552 return;
6553 }
6554 #ifdef FEAT_AUTOCMD
6555 if (curbuf_locked())
6556 return;
6557 #endif
6558
6559 /*
6560 * if more files or windows we won't exit
6561 */
6562 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6563 exiting = TRUE;
6564 if ( ((eap->cmdidx == CMD_wq
6565 || curbufIsChanged())
6566 && do_write(eap) == FAIL)
6567 || check_more(TRUE, eap->forceit) == FAIL
6568 || (only_one_window() && check_changed_any(eap->forceit)))
6569 {
6570 not_exiting();
6571 }
6572 else
6573 {
6574 #ifdef FEAT_WINDOWS
6575 if (only_one_window()) /* quit last window, exit Vim */
6576 #endif
6577 getout(0);
6578 #ifdef FEAT_WINDOWS
6579 # ifdef FEAT_GUI
6580 need_mouse_correct = TRUE;
6581 # endif
6582 /* quit current window, may free buffer */
6583 win_close(curwin, !P_HID(curwin->w_buffer));
6584 #endif
6585 }
6586 }
6587
6588 /*
6589 * ":print", ":list", ":number".
6590 */
6591 static void
6592 ex_print(eap)
6593 exarg_T *eap;
6594 {
6595 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6596 EMSG(_(e_emptybuf));
6597 else
6598 {
6599 for ( ;!got_int; ui_breakcheck())
6600 {
6601 print_line(eap->line1,
6602 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6603 || (eap->flags & EXFLAG_NR)),
6604 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6605 if (++eap->line1 > eap->line2)
6606 break;
6607 out_flush(); /* show one line at a time */
6608 }
6609 setpcmark();
6610 /* put cursor at last line */
6611 curwin->w_cursor.lnum = eap->line2;
6612 beginline(BL_SOL | BL_FIX);
6613 }
6614
6615 ex_no_reprint = TRUE;
6616 }
6617
6618 #ifdef FEAT_BYTEOFF
6619 static void
6620 ex_goto(eap)
6621 exarg_T *eap;
6622 {
6623 goto_byte(eap->line2);
6624 }
6625 #endif
6626
6627 /*
6628 * ":shell".
6629 */
6630 /*ARGSUSED*/
6631 static void
6632 ex_shell(eap)
6633 exarg_T *eap;
6634 {
6635 do_shell(NULL, 0);
6636 }
6637
6638 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6639 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6640 || defined(FEAT_GUI_MSWIN) \
6641 || defined(FEAT_GUI_MAC) \
6642 || defined(PROTO)
6643
6644 /*
6645 * Handle a file drop. The code is here because a drop is *nearly* like an
6646 * :args command, but not quite (we have a list of exact filenames, so we
6647 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6648 * code is very similar to :args and hence needs access to a lot of the static
6649 * functions in this file.
6650 *
6651 * The list should be allocated using alloc(), as should each item in the
6652 * list. This function takes over responsibility for freeing the list.
6653 *
6654 * XXX The list is made into the arggument list. This is freed using
6655 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6656 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6657 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6658 * file functionality is (currently) not in EMX this is not presently a
6659 * problem.
6660 */
6661 void
6662 handle_drop(filec, filev, split)
6663 int filec; /* the number of files dropped */
6664 char_u **filev; /* the list of files dropped */
6665 int split; /* force splitting the window */
6666 {
6667 exarg_T ea;
6668 int save_msg_scroll = msg_scroll;
6669
6670 /* Postpone this while editing the command line. */
6671 if (text_locked())
6672 return;
6673 #ifdef FEAT_AUTOCMD
6674 if (curbuf_locked())
6675 return;
6676 #endif
6677
6678 /* Check whether the current buffer is changed. If so, we will need
6679 * to split the current window or data could be lost.
6680 * We don't need to check if the 'hidden' option is set, as in this
6681 * case the buffer won't be lost.
6682 */
6683 if (!P_HID(curbuf) && !split)
6684 {
6685 ++emsg_off;
6686 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6687 --emsg_off;
6688 }
6689 if (split)
6690 {
6691 # ifdef FEAT_WINDOWS
6692 if (win_split(0, 0) == FAIL)
6693 return;
6694 # ifdef FEAT_SCROLLBIND
6695 curwin->w_p_scb = FALSE;
6696 # endif
6697
6698 /* When splitting the window, create a new alist. Otherwise the
6699 * existing one is overwritten. */
6700 alist_unlink(curwin->w_alist);
6701 alist_new();
6702 # else
6703 return; /* can't split, always fail */
6704 # endif
6705 }
6706
6707 /*
6708 * Set up the new argument list.
6709 */
6710 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6711
6712 /*
6713 * Move to the first file.
6714 */
6715 /* Fake up a minimal "next" command for do_argfile() */
6716 vim_memset(&ea, 0, sizeof(ea));
6717 ea.cmd = (char_u *)"next";
6718 do_argfile(&ea, 0);
6719
6720 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6721 * mode that is not needed here. */
6722 need_start_insertmode = FALSE;
6723
6724 /* Restore msg_scroll, otherwise a following command may cause scrolling
6725 * unexpectedly. The screen will be redrawn by the caller, thus
6726 * msg_scroll being set by displaying a message is irrelevant. */
6727 msg_scroll = save_msg_scroll;
6728 }
6729 #endif
6730
6731 /*
6732 * Clear an argument list: free all file names and reset it to zero entries.
6733 */
6734 void
6735 alist_clear(al)
6736 alist_T *al;
6737 {
6738 while (--al->al_ga.ga_len >= 0)
6739 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6740 ga_clear(&al->al_ga);
6741 }
6742
6743 /*
6744 * Init an argument list.
6745 */
6746 void
6747 alist_init(al)
6748 alist_T *al;
6749 {
6750 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6751 }
6752
6753 #if defined(FEAT_WINDOWS) || defined(PROTO)
6754
6755 /*
6756 * Remove a reference from an argument list.
6757 * Ignored when the argument list is the global one.
6758 * If the argument list is no longer used by any window, free it.
6759 */
6760 void
6761 alist_unlink(al)
6762 alist_T *al;
6763 {
6764 if (al != &global_alist && --al->al_refcount <= 0)
6765 {
6766 alist_clear(al);
6767 vim_free(al);
6768 }
6769 }
6770
6771 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6772 /*
6773 * Create a new argument list and use it for the current window.
6774 */
6775 void
6776 alist_new()
6777 {
6778 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6779 if (curwin->w_alist == NULL)
6780 {
6781 curwin->w_alist = &global_alist;
6782 ++global_alist.al_refcount;
6783 }
6784 else
6785 {
6786 curwin->w_alist->al_refcount = 1;
6787 alist_init(curwin->w_alist);
6788 }
6789 }
6790 # endif
6791 #endif
6792
6793 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6794 /*
6795 * Expand the file names in the global argument list.
6796 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6797 * numbers to be re-used.
6798 */
6799 void
6800 alist_expand(fnum_list, fnum_len)
6801 int *fnum_list;
6802 int fnum_len;
6803 {
6804 char_u **old_arg_files;
6805 int old_arg_count;
6806 char_u **new_arg_files;
6807 int new_arg_file_count;
6808 char_u *save_p_su = p_su;
6809 int i;
6810
6811 /* Don't use 'suffixes' here. This should work like the shell did the
6812 * expansion. Also, the vimrc file isn't read yet, thus the user
6813 * can't set the options. */
6814 p_su = empty_option;
6815 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6816 if (old_arg_files != NULL)
6817 {
6818 for (i = 0; i < GARGCOUNT; ++i)
6819 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6820 old_arg_count = GARGCOUNT;
6821 if (expand_wildcards(old_arg_count, old_arg_files,
6822 &new_arg_file_count, &new_arg_files,
6823 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6824 && new_arg_file_count > 0)
6825 {
6826 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6827 TRUE, fnum_list, fnum_len);
6828 FreeWild(old_arg_count, old_arg_files);
6829 }
6830 }
6831 p_su = save_p_su;
6832 }
6833 #endif
6834
6835 /*
6836 * Set the argument list for the current window.
6837 * Takes over the allocated files[] and the allocated fnames in it.
6838 */
6839 void
6840 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6841 alist_T *al;
6842 int count;
6843 char_u **files;
6844 int use_curbuf;
6845 int *fnum_list;
6846 int fnum_len;
6847 {
6848 int i;
6849
6850 alist_clear(al);
6851 if (ga_grow(&al->al_ga, count) == OK)
6852 {
6853 for (i = 0; i < count; ++i)
6854 {
6855 if (got_int)
6856 {
6857 /* When adding many buffers this can take a long time. Allow
6858 * interrupting here. */
6859 while (i < count)
6860 vim_free(files[i++]);
6861 break;
6862 }
6863
6864 /* May set buffer name of a buffer previously used for the
6865 * argument list, so that it's re-used by alist_add. */
6866 if (fnum_list != NULL && i < fnum_len)
6867 buf_set_name(fnum_list[i], files[i]);
6868
6869 alist_add(al, files[i], use_curbuf ? 2 : 1);
6870 ui_breakcheck();
6871 }
6872 vim_free(files);
6873 }
6874 else
6875 FreeWild(count, files);
6876 #ifdef FEAT_WINDOWS
6877 if (al == &global_alist)
6878 #endif
6879 arg_had_last = FALSE;
6880 }
6881
6882 /*
6883 * Add file "fname" to argument list "al".
6884 * "fname" must have been allocated and "al" must have been checked for room.
6885 */
6886 void
6887 alist_add(al, fname, set_fnum)
6888 alist_T *al;
6889 char_u *fname;
6890 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6891 {
6892 if (fname == NULL) /* don't add NULL file names */
6893 return;
6894 #ifdef BACKSLASH_IN_FILENAME
6895 slash_adjust(fname);
6896 #endif
6897 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6898 if (set_fnum > 0)
6899 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6900 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6901 ++al->al_ga.ga_len;
6902 }
6903
6904 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6905 /*
6906 * Adjust slashes in file names. Called after 'shellslash' was set.
6907 */
6908 void
6909 alist_slash_adjust()
6910 {
6911 int i;
6912 # ifdef FEAT_WINDOWS
6913 win_T *wp;
6914 tabpage_T *tp;
6915 # endif
6916
6917 for (i = 0; i < GARGCOUNT; ++i)
6918 if (GARGLIST[i].ae_fname != NULL)
6919 slash_adjust(GARGLIST[i].ae_fname);
6920 # ifdef FEAT_WINDOWS
6921 FOR_ALL_TAB_WINDOWS(tp, wp)
6922 if (wp->w_alist != &global_alist)
6923 for (i = 0; i < WARGCOUNT(wp); ++i)
6924 if (WARGLIST(wp)[i].ae_fname != NULL)
6925 slash_adjust(WARGLIST(wp)[i].ae_fname);
6926 # endif
6927 }
6928 #endif
6929
6930 /*
6931 * ":preserve".
6932 */
6933 /*ARGSUSED*/
6934 static void
6935 ex_preserve(eap)
6936 exarg_T *eap;
6937 {
6938 curbuf->b_flags |= BF_PRESERVED;
6939 ml_preserve(curbuf, TRUE);
6940 }
6941
6942 /*
6943 * ":recover".
6944 */
6945 static void
6946 ex_recover(eap)
6947 exarg_T *eap;
6948 {
6949 /* Set recoverymode right away to avoid the ATTENTION prompt. */
6950 recoverymode = TRUE;
6951 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
6952 && (*eap->arg == NUL
6953 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
6954 ml_recover();
6955 recoverymode = FALSE;
6956 }
6957
6958 /*
6959 * Command modifier used in a wrong way.
6960 */
6961 static void
6962 ex_wrongmodifier(eap)
6963 exarg_T *eap;
6964 {
6965 eap->errmsg = e_invcmd;
6966 }
6967
6968 #ifdef FEAT_WINDOWS
6969 /*
6970 * :sview [+command] file split window with new file, read-only
6971 * :split [[+command] file] split window with current or new file
6972 * :vsplit [[+command] file] split window vertically with current or new file
6973 * :new [[+command] file] split window with no or new file
6974 * :vnew [[+command] file] split vertically window with no or new file
6975 * :sfind [+command] file split window with file in 'path'
6976 *
6977 * :tabedit open new Tab page with empty window
6978 * :tabedit [+command] file open new Tab page and edit "file"
6979 * :tabnew [[+command] file] just like :tabedit
6980 * :tabfind [+command] file open new Tab page and find "file"
6981 */
6982 void
6983 ex_splitview(eap)
6984 exarg_T *eap;
6985 {
6986 win_T *old_curwin = curwin;
6987 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
6988 char_u *fname = NULL;
6989 # endif
6990 # ifdef FEAT_BROWSE
6991 int browse_flag = cmdmod.browse;
6992 # endif
6993
6994 # ifndef FEAT_VERTSPLIT
6995 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
6996 {
6997 ex_ni(eap);
6998 return;
6999 }
7000 # endif
7001
7002 # ifdef FEAT_GUI
7003 need_mouse_correct = TRUE;
7004 # endif
7005
7006 # ifdef FEAT_QUICKFIX
7007 /* A ":split" in the quickfix window works like ":new". Don't want two
7008 * quickfix windows. */
7009 if (bt_quickfix(curbuf))
7010 {
7011 if (eap->cmdidx == CMD_split)
7012 eap->cmdidx = CMD_new;
7013 # ifdef FEAT_VERTSPLIT
7014 if (eap->cmdidx == CMD_vsplit)
7015 eap->cmdidx = CMD_vnew;
7016 # endif
7017 }
7018 # endif
7019
7020 # ifdef FEAT_SEARCHPATH
7021 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7022 {
7023 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7024 FNAME_MESS, TRUE, curbuf->b_ffname);
7025 if (fname == NULL)
7026 goto theend;
7027 eap->arg = fname;
7028 }
7029 # ifdef FEAT_BROWSE
7030 else
7031 # endif
7032 # endif
7033 # ifdef FEAT_BROWSE
7034 if (cmdmod.browse
7035 # ifdef FEAT_VERTSPLIT
7036 && eap->cmdidx != CMD_vnew
7037 # endif
7038 && eap->cmdidx != CMD_new)
7039 {
7040 if (
7041 # ifdef FEAT_GUI
7042 !gui.in_use &&
7043 # endif
7044 au_has_group((char_u *)"FileExplorer"))
7045 {
7046 /* No browsing supported but we do have the file explorer:
7047 * Edit the directory. */
7048 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7049 eap->arg = (char_u *)".";
7050 }
7051 else
7052 {
7053 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7054 eap->arg, NULL, NULL, NULL, curbuf);
7055 if (fname == NULL)
7056 goto theend;
7057 eap->arg = fname;
7058 }
7059 }
7060 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7061 # endif
7062
7063 /*
7064 * Either open new tab page or split the window.
7065 */
7066 if (eap->cmdidx == CMD_tabedit
7067 || eap->cmdidx == CMD_tabfind
7068 || eap->cmdidx == CMD_tabnew)
7069 {
7070 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7071 : eap->addr_count == 0 ? 0
7072 : (int)eap->line2 + 1) != FAIL)
7073 {
7074 do_exedit(eap, NULL);
7075
7076 /* set the alternate buffer for the window we came from */
7077 if (curwin != old_curwin
7078 && win_valid(old_curwin)
7079 && old_curwin->w_buffer != curbuf
7080 && !cmdmod.keepalt)
7081 old_curwin->w_alt_fnum = curbuf->b_fnum;
7082 }
7083 }
7084 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7085 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7086 {
7087 # ifdef FEAT_SCROLLBIND
7088 /* Reset 'scrollbind' when editing another file, but keep it when
7089 * doing ":split" without arguments. */
7090 if (*eap->arg != NUL
7091 # ifdef FEAT_BROWSE
7092 || cmdmod.browse
7093 # endif
7094 )
7095 curwin->w_p_scb = FALSE;
7096 else
7097 do_check_scrollbind(FALSE);
7098 # endif
7099 do_exedit(eap, old_curwin);
7100 }
7101
7102 # ifdef FEAT_BROWSE
7103 cmdmod.browse = browse_flag;
7104 # endif
7105
7106 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7107 theend:
7108 vim_free(fname);
7109 # endif
7110 }
7111
7112 #if defined(FEAT_MOUSE) || defined(PROTO)
7113 /*
7114 * Open a new tab page.
7115 */
7116 void
7117 tabpage_new()
7118 {
7119 exarg_T ea;
7120
7121 vim_memset(&ea, 0, sizeof(ea));
7122 ea.cmdidx = CMD_tabnew;
7123 ea.cmd = (char_u *)"tabn";
7124 ea.arg = (char_u *)"";
7125 ex_splitview(&ea);
7126 }
7127 #endif
7128
7129 /*
7130 * :tabnext command
7131 */
7132 static void
7133 ex_tabnext(eap)
7134 exarg_T *eap;
7135 {
7136 switch (eap->cmdidx)
7137 {
7138 case CMD_tabfirst:
7139 case CMD_tabrewind:
7140 goto_tabpage(1);
7141 break;
7142 case CMD_tablast:
7143 goto_tabpage(9999);
7144 break;
7145 case CMD_tabprevious:
7146 case CMD_tabNext:
7147 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7148 break;
7149 default: /* CMD_tabnext */
7150 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7151 break;
7152 }
7153 }
7154
7155 /*
7156 * :tabmove command
7157 */
7158 static void
7159 ex_tabmove(eap)
7160 exarg_T *eap;
7161 {
7162 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7163 }
7164
7165 /*
7166 * :tabs command: List tabs and their contents.
7167 */
7168 /*ARGSUSED*/
7169 static void
7170 ex_tabs(eap)
7171 exarg_T *eap;
7172 {
7173 tabpage_T *tp;
7174 win_T *wp;
7175 int tabcount = 1;
7176
7177 msg_start();
7178 msg_scroll = TRUE;
7179 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7180 {
7181 msg_putchar('\n');
7182 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7183 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7184 out_flush(); /* output one line at a time */
7185 ui_breakcheck();
7186
7187 if (tp == curtab)
7188 wp = firstwin;
7189 else
7190 wp = tp->tp_firstwin;
7191 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7192 {
7193 msg_putchar('\n');
7194 msg_putchar(wp == curwin ? '>' : ' ');
7195 msg_putchar(' ');
7196 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7197 msg_putchar(' ');
7198 if (buf_spname(wp->w_buffer) != NULL)
7199 STRCPY(IObuff, buf_spname(wp->w_buffer));
7200 else
7201 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7202 IObuff, IOSIZE, TRUE);
7203 msg_outtrans(IObuff);
7204 out_flush(); /* output one line at a time */
7205 ui_breakcheck();
7206 }
7207 }
7208 }
7209
7210 #endif /* FEAT_WINDOWS */
7211
7212 /*
7213 * ":mode": Set screen mode.
7214 * If no argument given, just get the screen size and redraw.
7215 */
7216 static void
7217 ex_mode(eap)
7218 exarg_T *eap;
7219 {
7220 if (*eap->arg == NUL)
7221 shell_resized();
7222 else
7223 mch_screenmode(eap->arg);
7224 }
7225
7226 #ifdef FEAT_WINDOWS
7227 /*
7228 * ":resize".
7229 * set, increment or decrement current window height
7230 */
7231 static void
7232 ex_resize(eap)
7233 exarg_T *eap;
7234 {
7235 int n;
7236 win_T *wp = curwin;
7237
7238 if (eap->addr_count > 0)
7239 {
7240 n = eap->line2;
7241 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7242 ;
7243 }
7244
7245 #ifdef FEAT_GUI
7246 need_mouse_correct = TRUE;
7247 #endif
7248 n = atol((char *)eap->arg);
7249 #ifdef FEAT_VERTSPLIT
7250 if (cmdmod.split & WSP_VERT)
7251 {
7252 if (*eap->arg == '-' || *eap->arg == '+')
7253 n += W_WIDTH(curwin);
7254 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7255 n = 9999;
7256 win_setwidth_win((int)n, wp);
7257 }
7258 else
7259 #endif
7260 {
7261 if (*eap->arg == '-' || *eap->arg == '+')
7262 n += curwin->w_height;
7263 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7264 n = 9999;
7265 win_setheight_win((int)n, wp);
7266 }
7267 }
7268 #endif
7269
7270 /*
7271 * ":find [+command] <file>" command.
7272 */
7273 static void
7274 ex_find(eap)
7275 exarg_T *eap;
7276 {
7277 #ifdef FEAT_SEARCHPATH
7278 char_u *fname;
7279 int count;
7280
7281 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7282 TRUE, curbuf->b_ffname);
7283 if (eap->addr_count > 0)
7284 {
7285 /* Repeat finding the file "count" times. This matters when it
7286 * appears several times in the path. */
7287 count = eap->line2;
7288 while (fname != NULL && --count > 0)
7289 {
7290 vim_free(fname);
7291 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7292 FALSE, curbuf->b_ffname);
7293 }
7294 }
7295
7296 if (fname != NULL)
7297 {
7298 eap->arg = fname;
7299 #endif
7300 do_exedit(eap, NULL);
7301 #ifdef FEAT_SEARCHPATH
7302 vim_free(fname);
7303 }
7304 #endif
7305 }
7306
7307 /*
7308 * ":open" simulation: for now just work like ":visual".
7309 */
7310 static void
7311 ex_open(eap)
7312 exarg_T *eap;
7313 {
7314 regmatch_T regmatch;
7315 char_u *p;
7316
7317 curwin->w_cursor.lnum = eap->line2;
7318 beginline(BL_SOL | BL_FIX);
7319 if (*eap->arg == '/')
7320 {
7321 /* ":open /pattern/": put cursor in column found with pattern */
7322 ++eap->arg;
7323 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7324 *p = NUL;
7325 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7326 if (regmatch.regprog != NULL)
7327 {
7328 regmatch.rm_ic = p_ic;
7329 p = ml_get_curline();
7330 if (vim_regexec(&regmatch, p, (colnr_T)0))
7331 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7332 else
7333 EMSG(_(e_nomatch));
7334 vim_free(regmatch.regprog);
7335 }
7336 /* Move to the NUL, ignore any other arguments. */
7337 eap->arg += STRLEN(eap->arg);
7338 }
7339 check_cursor();
7340
7341 eap->cmdidx = CMD_visual;
7342 do_exedit(eap, NULL);
7343 }
7344
7345 /*
7346 * ":edit", ":badd", ":visual".
7347 */
7348 static void
7349 ex_edit(eap)
7350 exarg_T *eap;
7351 {
7352 do_exedit(eap, NULL);
7353 }
7354
7355 /*
7356 * ":edit <file>" command and alikes.
7357 */
7358 /*ARGSUSED*/
7359 void
7360 do_exedit(eap, old_curwin)
7361 exarg_T *eap;
7362 win_T *old_curwin; /* curwin before doing a split or NULL */
7363 {
7364 int n;
7365 #ifdef FEAT_WINDOWS
7366 int need_hide;
7367 #endif
7368 int exmode_was = exmode_active;
7369
7370 /*
7371 * ":vi" command ends Ex mode.
7372 */
7373 if (exmode_active && (eap->cmdidx == CMD_visual
7374 || eap->cmdidx == CMD_view))
7375 {
7376 exmode_active = FALSE;
7377 if (*eap->arg == NUL)
7378 {
7379 /* Special case: ":global/pat/visual\NLvi-commands" */
7380 if (global_busy)
7381 {
7382 int rd = RedrawingDisabled;
7383 int nwr = no_wait_return;
7384 int ms = msg_scroll;
7385 #ifdef FEAT_GUI
7386 int he = hold_gui_events;
7387 #endif
7388
7389 if (eap->nextcmd != NULL)
7390 {
7391 stuffReadbuff(eap->nextcmd);
7392 eap->nextcmd = NULL;
7393 }
7394
7395 if (exmode_was != EXMODE_VIM)
7396 settmode(TMODE_RAW);
7397 RedrawingDisabled = 0;
7398 no_wait_return = 0;
7399 need_wait_return = FALSE;
7400 msg_scroll = 0;
7401 #ifdef FEAT_GUI
7402 hold_gui_events = 0;
7403 #endif
7404 must_redraw = CLEAR;
7405
7406 main_loop(FALSE, TRUE);
7407
7408 RedrawingDisabled = rd;
7409 no_wait_return = nwr;
7410 msg_scroll = ms;
7411 #ifdef FEAT_GUI
7412 hold_gui_events = he;
7413 #endif
7414 }
7415 return;
7416 }
7417 }
7418
7419 if ((eap->cmdidx == CMD_new
7420 || eap->cmdidx == CMD_tabnew
7421 || eap->cmdidx == CMD_tabedit
7422 #ifdef FEAT_VERTSPLIT
7423 || eap->cmdidx == CMD_vnew
7424 #endif
7425 ) && *eap->arg == NUL)
7426 {
7427 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7428 setpcmark();
7429 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7430 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7431 }
7432 else if ((eap->cmdidx != CMD_split
7433 #ifdef FEAT_VERTSPLIT
7434 && eap->cmdidx != CMD_vsplit
7435 #endif
7436 )
7437 || *eap->arg != NUL
7438 #ifdef FEAT_BROWSE
7439 || cmdmod.browse
7440 #endif
7441 )
7442 {
7443 #ifdef FEAT_AUTOCMD
7444 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7445 * can bring us here, others are stopped earlier. */
7446 if (*eap->arg != NUL && curbuf_locked())
7447 return;
7448 #endif
7449 n = readonlymode;
7450 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7451 readonlymode = TRUE;
7452 else if (eap->cmdidx == CMD_enew)
7453 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7454 empty buffer */
7455 setpcmark();
7456 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7457 NULL, eap,
7458 /* ":edit" goes to first line if Vi compatible */
7459 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7460 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7461 ? ECMD_ONE : eap->do_ecmd_lnum,
7462 (P_HID(curbuf) ? ECMD_HIDE : 0)
7463 + (eap->forceit ? ECMD_FORCEIT : 0)
7464 #ifdef FEAT_LISTCMDS
7465 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7466 #endif
7467 ) == FAIL)
7468 {
7469 /* Editing the file failed. If the window was split, close it. */
7470 #ifdef FEAT_WINDOWS
7471 if (old_curwin != NULL)
7472 {
7473 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7474 if (!need_hide || P_HID(curbuf))
7475 {
7476 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7477 cleanup_T cs;
7478
7479 /* Reset the error/interrupt/exception state here so that
7480 * aborting() returns FALSE when closing a window. */
7481 enter_cleanup(&cs);
7482 # endif
7483 # ifdef FEAT_GUI
7484 need_mouse_correct = TRUE;
7485 # endif
7486 win_close(curwin, !need_hide && !P_HID(curbuf));
7487
7488 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7489 /* Restore the error/interrupt/exception state if not
7490 * discarded by a new aborting error, interrupt, or
7491 * uncaught exception. */
7492 leave_cleanup(&cs);
7493 # endif
7494 }
7495 }
7496 #endif
7497 }
7498 else if (readonlymode && curbuf->b_nwindows == 1)
7499 {
7500 /* When editing an already visited buffer, 'readonly' won't be set
7501 * but the previous value is kept. With ":view" and ":sview" we
7502 * want the file to be readonly, except when another window is
7503 * editing the same buffer. */
7504 curbuf->b_p_ro = TRUE;
7505 }
7506 readonlymode = n;
7507 }
7508 else
7509 {
7510 if (eap->do_ecmd_cmd != NULL)
7511 do_cmdline_cmd(eap->do_ecmd_cmd);
7512 #ifdef FEAT_TITLE
7513 n = curwin->w_arg_idx_invalid;
7514 #endif
7515 check_arg_idx(curwin);
7516 #ifdef FEAT_TITLE
7517 if (n != curwin->w_arg_idx_invalid)
7518 maketitle();
7519 #endif
7520 }
7521
7522 #ifdef FEAT_WINDOWS
7523 /*
7524 * if ":split file" worked, set alternate file name in old window to new
7525 * file
7526 */
7527 if (old_curwin != NULL
7528 && *eap->arg != NUL
7529 && curwin != old_curwin
7530 && win_valid(old_curwin)
7531 && old_curwin->w_buffer != curbuf
7532 && !cmdmod.keepalt)
7533 old_curwin->w_alt_fnum = curbuf->b_fnum;
7534 #endif
7535
7536 ex_no_reprint = TRUE;
7537 }
7538
7539 #ifndef FEAT_GUI
7540 /*
7541 * ":gui" and ":gvim" when there is no GUI.
7542 */
7543 static void
7544 ex_nogui(eap)
7545 exarg_T *eap;
7546 {
7547 eap->errmsg = e_nogvim;
7548 }
7549 #endif
7550
7551 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7552 static void
7553 ex_tearoff(eap)
7554 exarg_T *eap;
7555 {
7556 gui_make_tearoff(eap->arg);
7557 }
7558 #endif
7559
7560 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7561 static void
7562 ex_popup(eap)
7563 exarg_T *eap;
7564 {
7565 gui_make_popup(eap->arg, eap->forceit);
7566 }
7567 #endif
7568
7569 /*ARGSUSED*/
7570 static void
7571 ex_swapname(eap)
7572 exarg_T *eap;
7573 {
7574 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7575 MSG(_("No swap file"));
7576 else
7577 msg(curbuf->b_ml.ml_mfp->mf_fname);
7578 }
7579
7580 /*
7581 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7582 * offset.
7583 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7584 */
7585 /*ARGSUSED*/
7586 static void
7587 ex_syncbind(eap)
7588 exarg_T *eap;
7589 {
7590 #ifdef FEAT_SCROLLBIND
7591 win_T *wp;
7592 long topline;
7593 long y;
7594 linenr_T old_linenr = curwin->w_cursor.lnum;
7595
7596 setpcmark();
7597
7598 /*
7599 * determine max topline
7600 */
7601 if (curwin->w_p_scb)
7602 {
7603 topline = curwin->w_topline;
7604 for (wp = firstwin; wp; wp = wp->w_next)
7605 {
7606 if (wp->w_p_scb && wp->w_buffer)
7607 {
7608 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7609 if (topline > y)
7610 topline = y;
7611 }
7612 }
7613 if (topline < 1)
7614 topline = 1;
7615 }
7616 else
7617 {
7618 topline = 1;
7619 }
7620
7621
7622 /*
7623 * set all scrollbind windows to the same topline
7624 */
7625 wp = curwin;
7626 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7627 {
7628 if (curwin->w_p_scb)
7629 {
7630 y = topline - curwin->w_topline;
7631 if (y > 0)
7632 scrollup(y, TRUE);
7633 else
7634 scrolldown(-y, TRUE);
7635 curwin->w_scbind_pos = topline;
7636 redraw_later(VALID);
7637 cursor_correct();
7638 #ifdef FEAT_WINDOWS
7639 curwin->w_redr_status = TRUE;
7640 #endif
7641 }
7642 }
7643 curwin = wp;
7644 if (curwin->w_p_scb)
7645 {
7646 did_syncbind = TRUE;
7647 checkpcmark();
7648 if (old_linenr != curwin->w_cursor.lnum)
7649 {
7650 char_u ctrl_o[2];
7651
7652 ctrl_o[0] = Ctrl_O;
7653 ctrl_o[1] = 0;
7654 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7655 }
7656 }
7657 #endif
7658 }
7659
7660
7661 static void
7662 ex_read(eap)
7663 exarg_T *eap;
7664 {
7665 int i;
7666 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7667 linenr_T lnum;
7668
7669 if (eap->usefilter) /* :r!cmd */
7670 do_bang(1, eap, FALSE, FALSE, TRUE);
7671 else
7672 {
7673 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7674 return;
7675
7676 #ifdef FEAT_BROWSE
7677 if (cmdmod.browse)
7678 {
7679 char_u *browseFile;
7680
7681 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7682 NULL, NULL, NULL, curbuf);
7683 if (browseFile != NULL)
7684 {
7685 i = readfile(browseFile, NULL,
7686 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7687 vim_free(browseFile);
7688 }
7689 else
7690 i = OK;
7691 }
7692 else
7693 #endif
7694 if (*eap->arg == NUL)
7695 {
7696 if (check_fname() == FAIL) /* check for no file name */
7697 return;
7698 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7699 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7700 }
7701 else
7702 {
7703 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7704 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7705 i = readfile(eap->arg, NULL,
7706 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7707
7708 }
7709 if (i == FAIL)
7710 {
7711 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7712 if (!aborting())
7713 #endif
7714 EMSG2(_(e_notopen), eap->arg);
7715 }
7716 else
7717 {
7718 if (empty && exmode_active)
7719 {
7720 /* Delete the empty line that remains. Historically ex does
7721 * this but vi doesn't. */
7722 if (eap->line2 == 0)
7723 lnum = curbuf->b_ml.ml_line_count;
7724 else
7725 lnum = 1;
7726 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7727 {
7728 ml_delete(lnum, FALSE);
7729 deleted_lines_mark(lnum, 1L);
7730 if (curwin->w_cursor.lnum > 1
7731 && curwin->w_cursor.lnum >= lnum)
7732 --curwin->w_cursor.lnum;
7733 }
7734 }
7735 redraw_curbuf_later(VALID);
7736 }
7737 }
7738 }
7739
7740 static char_u *prev_dir = NULL;
7741
7742 #if defined(EXITFREE) || defined(PROTO)
7743 void
7744 free_cd_dir()
7745 {
7746 vim_free(prev_dir);
7747 }
7748 #endif
7749
7750
7751 /*
7752 * ":cd", ":lcd", ":chdir" and ":lchdir".
7753 */
7754 static void
7755 ex_cd(eap)
7756 exarg_T *eap;
7757 {
7758 char_u *new_dir;
7759 char_u *tofree;
7760
7761 new_dir = eap->arg;
7762 #if !defined(UNIX) && !defined(VMS)
7763 /* for non-UNIX ":cd" means: print current directory */
7764 if (*new_dir == NUL)
7765 ex_pwd(NULL);
7766 else
7767 #endif
7768 {
7769 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7770 && !eap->forceit)
7771 {
7772 EMSG(_("E747: Cannot change directory, buffer is modifed (add ! to override)"));
7773 return;
7774 }
7775
7776 /* ":cd -": Change to previous directory */
7777 if (STRCMP(new_dir, "-") == 0)
7778 {
7779 if (prev_dir == NULL)
7780 {
7781 EMSG(_("E186: No previous directory"));
7782 return;
7783 }
7784 new_dir = prev_dir;
7785 }
7786
7787 /* Save current directory for next ":cd -" */
7788 tofree = prev_dir;
7789 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7790 prev_dir = vim_strsave(NameBuff);
7791 else
7792 prev_dir = NULL;
7793
7794 #if defined(UNIX) || defined(VMS)
7795 /* for UNIX ":cd" means: go to home directory */
7796 if (*new_dir == NUL)
7797 {
7798 /* use NameBuff for home directory name */
7799 # ifdef VMS
7800 char_u *p;
7801
7802 p = mch_getenv((char_u *)"SYS$LOGIN");
7803 if (p == NULL || *p == NUL) /* empty is the same as not set */
7804 NameBuff[0] = NUL;
7805 else
7806 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7807 # else
7808 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7809 # endif
7810 new_dir = NameBuff;
7811 }
7812 #endif
7813 if (new_dir == NULL || vim_chdir(new_dir))
7814 EMSG(_(e_failed));
7815 else
7816 {
7817 vim_free(curwin->w_localdir);
7818 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7819 {
7820 /* If still in global directory, need to remember current
7821 * directory as global directory. */
7822 if (globaldir == NULL && prev_dir != NULL)
7823 globaldir = vim_strsave(prev_dir);
7824 /* Remember this local directory for the window. */
7825 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7826 curwin->w_localdir = vim_strsave(NameBuff);
7827 }
7828 else
7829 {
7830 /* We are now in the global directory, no need to remember its
7831 * name. */
7832 vim_free(globaldir);
7833 globaldir = NULL;
7834 curwin->w_localdir = NULL;
7835 }
7836
7837 shorten_fnames(TRUE);
7838
7839 /* Echo the new current directory if the command was typed. */
7840 if (KeyTyped)
7841 ex_pwd(eap);
7842 }
7843 vim_free(tofree);
7844 }
7845 }
7846
7847 /*
7848 * ":pwd".
7849 */
7850 /*ARGSUSED*/
7851 static void
7852 ex_pwd(eap)
7853 exarg_T *eap;
7854 {
7855 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7856 {
7857 #ifdef BACKSLASH_IN_FILENAME
7858 slash_adjust(NameBuff);
7859 #endif
7860 msg(NameBuff);
7861 }
7862 else
7863 EMSG(_("E187: Unknown"));
7864 }
7865
7866 /*
7867 * ":=".
7868 */
7869 static void
7870 ex_equal(eap)
7871 exarg_T *eap;
7872 {
7873 smsg((char_u *)"%ld", (long)eap->line2);
7874 ex_may_print(eap);
7875 }
7876
7877 static void
7878 ex_sleep(eap)
7879 exarg_T *eap;
7880 {
7881 int n;
7882 long len;
7883
7884 if (cursor_valid())
7885 {
7886 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7887 if (n >= 0)
7888 windgoto((int)n, curwin->w_wcol);
7889 }
7890
7891 len = eap->line2;
7892 switch (*eap->arg)
7893 {
7894 case 'm': break;
7895 case NUL: len *= 1000L; break;
7896 default: EMSG2(_(e_invarg2), eap->arg); return;
7897 }
7898 do_sleep(len);
7899 }
7900
7901 /*
7902 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7903 */
7904 void
7905 do_sleep(msec)
7906 long msec;
7907 {
7908 long done;
7909
7910 cursor_on();
7911 out_flush();
7912 for (done = 0; !got_int && done < msec; done += 1000L)
7913 {
7914 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7915 ui_breakcheck();
7916 }
7917 }
7918
7919 static void
7920 do_exmap(eap, isabbrev)
7921 exarg_T *eap;
7922 int isabbrev;
7923 {
7924 int mode;
7925 char_u *cmdp;
7926
7927 cmdp = eap->cmd;
7928 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7929
7930 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7931 eap->arg, mode, isabbrev))
7932 {
7933 case 1: EMSG(_(e_invarg));
7934 break;
7935 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
7936 break;
7937 }
7938 }
7939
7940 /*
7941 * ":winsize" command (obsolete).
7942 */
7943 static void
7944 ex_winsize(eap)
7945 exarg_T *eap;
7946 {
7947 int w, h;
7948 char_u *arg = eap->arg;
7949 char_u *p;
7950
7951 w = getdigits(&arg);
7952 arg = skipwhite(arg);
7953 p = arg;
7954 h = getdigits(&arg);
7955 if (*p != NUL && *arg == NUL)
7956 set_shellsize(w, h, TRUE);
7957 else
7958 EMSG(_("E465: :winsize requires two number arguments"));
7959 }
7960
7961 #ifdef FEAT_WINDOWS
7962 static void
7963 ex_wincmd(eap)
7964 exarg_T *eap;
7965 {
7966 int xchar = NUL;
7967 char_u *p;
7968
7969 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
7970 {
7971 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
7972 if (eap->arg[1] == NUL)
7973 {
7974 EMSG(_(e_invarg));
7975 return;
7976 }
7977 xchar = eap->arg[1];
7978 p = eap->arg + 2;
7979 }
7980 else
7981 p = eap->arg + 1;
7982
7983 eap->nextcmd = check_nextcmd(p);
7984 p = skipwhite(p);
7985 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
7986 EMSG(_(e_invarg));
7987 else
7988 {
7989 /* Pass flags on for ":vertical wincmd ]". */
7990 postponed_split_flags = cmdmod.split;
7991 postponed_split_tab = cmdmod.tab;
7992 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
7993 postponed_split_flags = 0;
7994 postponed_split_tab = 0;
7995 }
7996 }
7997 #endif
7998
7999 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8000 /*
8001 * ":winpos".
8002 */
8003 static void
8004 ex_winpos(eap)
8005 exarg_T *eap;
8006 {
8007 int x, y;
8008 char_u *arg = eap->arg;
8009 char_u *p;
8010
8011 if (*arg == NUL)
8012 {
8013 # if defined(FEAT_GUI) || defined(MSWIN)
8014 # ifdef FEAT_GUI
8015 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8016 # else
8017 if (mch_get_winpos(&x, &y) != FAIL)
8018 # endif
8019 {
8020 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8021 msg(IObuff);
8022 }
8023 else
8024 # endif
8025 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8026 }
8027 else
8028 {
8029 x = getdigits(&arg);
8030 arg = skipwhite(arg);
8031 p = arg;
8032 y = getdigits(&arg);
8033 if (*p == NUL || *arg != NUL)
8034 {
8035 EMSG(_("E466: :winpos requires two number arguments"));
8036 return;
8037 }
8038 # ifdef FEAT_GUI
8039 if (gui.in_use)
8040 gui_mch_set_winpos(x, y);
8041 else if (gui.starting)
8042 {
8043 /* Remember the coordinates for when the window is opened. */
8044 gui_win_x = x;
8045 gui_win_y = y;
8046 }
8047 # ifdef HAVE_TGETENT
8048 else
8049 # endif
8050 # else
8051 # ifdef MSWIN
8052 mch_set_winpos(x, y);
8053 # endif
8054 # endif
8055 # ifdef HAVE_TGETENT
8056 if (*T_CWP)
8057 term_set_winpos(x, y);
8058 # endif
8059 }
8060 }
8061 #endif
8062
8063 /*
8064 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8065 */
8066 static void
8067 ex_operators(eap)
8068 exarg_T *eap;
8069 {
8070 oparg_T oa;
8071
8072 clear_oparg(&oa);
8073 oa.regname = eap->regname;
8074 oa.start.lnum = eap->line1;
8075 oa.end.lnum = eap->line2;
8076 oa.line_count = eap->line2 - eap->line1 + 1;
8077 oa.motion_type = MLINE;
8078 #ifdef FEAT_VIRTUALEDIT
8079 virtual_op = FALSE;
8080 #endif
8081 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8082 {
8083 setpcmark();
8084 curwin->w_cursor.lnum = eap->line1;
8085 beginline(BL_SOL | BL_FIX);
8086 }
8087
8088 switch (eap->cmdidx)
8089 {
8090 case CMD_delete:
8091 oa.op_type = OP_DELETE;
8092 op_delete(&oa);
8093 break;
8094
8095 case CMD_yank:
8096 oa.op_type = OP_YANK;
8097 (void)op_yank(&oa, FALSE, TRUE);
8098 break;
8099
8100 default: /* CMD_rshift or CMD_lshift */
8101 if ((eap->cmdidx == CMD_rshift)
8102 #ifdef FEAT_RIGHTLEFT
8103 ^ curwin->w_p_rl
8104 #endif
8105 )
8106 oa.op_type = OP_RSHIFT;
8107 else
8108 oa.op_type = OP_LSHIFT;
8109 op_shift(&oa, FALSE, eap->amount);
8110 break;
8111 }
8112 #ifdef FEAT_VIRTUALEDIT
8113 virtual_op = MAYBE;
8114 #endif
8115 ex_may_print(eap);
8116 }
8117
8118 /*
8119 * ":put".
8120 */
8121 static void
8122 ex_put(eap)
8123 exarg_T *eap;
8124 {
8125 /* ":0put" works like ":1put!". */
8126 if (eap->line2 == 0)
8127 {
8128 eap->line2 = 1;
8129 eap->forceit = TRUE;
8130 }
8131 curwin->w_cursor.lnum = eap->line2;
8132 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8133 PUT_LINE|PUT_CURSLINE);
8134 }
8135
8136 /*
8137 * Handle ":copy" and ":move".
8138 */
8139 static void
8140 ex_copymove(eap)
8141 exarg_T *eap;
8142 {
8143 long n;
8144
8145 n = get_address(&eap->arg, FALSE, FALSE);
8146 if (eap->arg == NULL) /* error detected */
8147 {
8148 eap->nextcmd = NULL;
8149 return;
8150 }
8151 get_flags(eap);
8152
8153 /*
8154 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8155 */
8156 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8157 {
8158 EMSG(_(e_invaddr));
8159 return;
8160 }
8161
8162 if (eap->cmdidx == CMD_move)
8163 {
8164 if (do_move(eap->line1, eap->line2, n) == FAIL)
8165 return;
8166 }
8167 else
8168 ex_copy(eap->line1, eap->line2, n);
8169 u_clearline();
8170 beginline(BL_SOL | BL_FIX);
8171 ex_may_print(eap);
8172 }
8173
8174 /*
8175 * Print the current line if flags were given to the Ex command.
8176 */
8177 static void
8178 ex_may_print(eap)
8179 exarg_T *eap;
8180 {
8181 if (eap->flags != 0)
8182 {
8183 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8184 (eap->flags & EXFLAG_LIST));
8185 ex_no_reprint = TRUE;
8186 }
8187 }
8188
8189 /*
8190 * ":smagic" and ":snomagic".
8191 */
8192 static void
8193 ex_submagic(eap)
8194 exarg_T *eap;
8195 {
8196 int magic_save = p_magic;
8197
8198 p_magic = (eap->cmdidx == CMD_smagic);
8199 do_sub(eap);
8200 p_magic = magic_save;
8201 }
8202
8203 /*
8204 * ":join".
8205 */
8206 static void
8207 ex_join(eap)
8208 exarg_T *eap;
8209 {
8210 curwin->w_cursor.lnum = eap->line1;
8211 if (eap->line1 == eap->line2)
8212 {
8213 if (eap->addr_count >= 2) /* :2,2join does nothing */
8214 return;
8215 if (eap->line2 == curbuf->b_ml.ml_line_count)
8216 {
8217 beep_flush();
8218 return;
8219 }
8220 ++eap->line2;
8221 }
8222 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8223 beginline(BL_WHITE | BL_FIX);
8224 ex_may_print(eap);
8225 }
8226
8227 /*
8228 * ":[addr]@r" or ":[addr]*r": execute register
8229 */
8230 static void
8231 ex_at(eap)
8232 exarg_T *eap;
8233 {
8234 int c;
8235
8236 curwin->w_cursor.lnum = eap->line2;
8237
8238 #ifdef USE_ON_FLY_SCROLL
8239 dont_scroll = TRUE; /* disallow scrolling here */
8240 #endif
8241
8242 /* get the register name. No name means to use the previous one */
8243 c = *eap->arg;
8244 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8245 c = '@';
8246 /* Put the register in the typeahead buffer with the "silent" flag. */
8247 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8248 == FAIL)
8249 {
8250 beep_flush();
8251 }
8252 else
8253 {
8254 int save_efr = exec_from_reg;
8255
8256 exec_from_reg = TRUE;
8257
8258 /*
8259 * Execute from the typeahead buffer.
8260 * Originally this didn't check for the typeahead buffer to be empty,
8261 * thus could read more Ex commands from stdin. It's not clear why,
8262 * it is certainly unexpected.
8263 */
8264 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8265 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8266
8267 exec_from_reg = save_efr;
8268 }
8269 }
8270
8271 /*
8272 * ":!".
8273 */
8274 static void
8275 ex_bang(eap)
8276 exarg_T *eap;
8277 {
8278 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8279 }
8280
8281 /*
8282 * ":undo".
8283 */
8284 /*ARGSUSED*/
8285 static void
8286 ex_undo(eap)
8287 exarg_T *eap;
8288 {
8289 if (eap->addr_count == 1) /* :undo 123 */
8290 undo_time(eap->line2, FALSE, TRUE);
8291 else
8292 u_undo(1);
8293 }
8294
8295 /*
8296 * ":redo".
8297 */
8298 /*ARGSUSED*/
8299 static void
8300 ex_redo(eap)
8301 exarg_T *eap;
8302 {
8303 u_redo(1);
8304 }
8305
8306 /*
8307 * ":earlier" and ":later".
8308 */
8309 /*ARGSUSED*/
8310 static void
8311 ex_later(eap)
8312 exarg_T *eap;
8313 {
8314 long count = 0;
8315 int sec = FALSE;
8316 char_u *p = eap->arg;
8317
8318 if (*p == NUL)
8319 count = 1;
8320 else if (isdigit(*p))
8321 {
8322 count = getdigits(&p);
8323 switch (*p)
8324 {
8325 case 's': ++p; sec = TRUE; break;
8326 case 'm': ++p; sec = TRUE; count *= 60; break;
8327 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8328 }
8329 }
8330
8331 if (*p != NUL)
8332 EMSG2(_(e_invarg2), eap->arg);
8333 else
8334 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8335 }
8336
8337 /*
8338 * ":redir": start/stop redirection.
8339 */
8340 static void
8341 ex_redir(eap)
8342 exarg_T *eap;
8343 {
8344 char *mode;
8345 char_u *fname;
8346 char_u *arg = eap->arg;
8347
8348 if (STRICMP(eap->arg, "END") == 0)
8349 close_redir();
8350 else
8351 {
8352 if (*arg == '>')
8353 {
8354 ++arg;
8355 if (*arg == '>')
8356 {
8357 ++arg;
8358 mode = "a";
8359 }
8360 else
8361 mode = "w";
8362 arg = skipwhite(arg);
8363
8364 close_redir();
8365
8366 /* Expand environment variables and "~/". */
8367 fname = expand_env_save(arg);
8368 if (fname == NULL)
8369 return;
8370 #ifdef FEAT_BROWSE
8371 if (cmdmod.browse)
8372 {
8373 char_u *browseFile;
8374
8375 browseFile = do_browse(BROWSE_SAVE,
8376 (char_u *)_("Save Redirection"),
8377 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8378 if (browseFile == NULL)
8379 return; /* operation cancelled */
8380 vim_free(fname);
8381 fname = browseFile;
8382 eap->forceit = TRUE; /* since dialog already asked */
8383 }
8384 #endif
8385
8386 redir_fd = open_exfile(fname, eap->forceit, mode);
8387 vim_free(fname);
8388 }
8389 #ifdef FEAT_EVAL
8390 else if (*arg == '@')
8391 {
8392 /* redirect to a register a-z (resp. A-Z for appending) */
8393 close_redir();
8394 ++arg;
8395 if (ASCII_ISALPHA(*arg)
8396 # ifdef FEAT_CLIPBOARD
8397 || *arg == '*'
8398 || *arg == '+'
8399 # endif
8400 || *arg == '"')
8401 {
8402 redir_reg = *arg++;
8403 if (*arg == '>' && arg[1] == '>')
8404 arg += 2;
8405 else if ((*arg == NUL || (*arg == '>' && arg[1] == NUL)) &&
8406 (islower(redir_reg)
8407 # ifdef FEAT_CLIPBOARD
8408 || redir_reg == '*'
8409 || redir_reg == '+'
8410 # endif
8411 || redir_reg == '"'))
8412 {
8413 if (*arg == '>')
8414 arg++;
8415
8416 /* make register empty */
8417 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8418 }
8419 }
8420 if (*arg != NUL)
8421 {
8422 redir_reg = 0;
8423 EMSG2(_(e_invarg2), eap->arg);
8424 }
8425 }
8426 else if (*arg == '=' && arg[1] == '>')
8427 {
8428 int append;
8429
8430 /* redirect to a variable */
8431 close_redir();
8432 arg += 2;
8433
8434 if (*arg == '>')
8435 {
8436 ++arg;
8437 append = TRUE;
8438 }
8439 else
8440 append = FALSE;
8441
8442 if (var_redir_start(skipwhite(arg), append) == OK)
8443 redir_vname = 1;
8444 }
8445 #endif
8446
8447 /* TODO: redirect to a buffer */
8448
8449 else
8450 EMSG2(_(e_invarg2), eap->arg);
8451 }
8452
8453 /* Make sure redirection is not off. Can happen for cmdline completion
8454 * that indirectly invokes a command to catch its output. */
8455 if (redir_fd != NULL
8456 #ifdef FEAT_EVAL
8457 || redir_reg || redir_vname
8458 #endif
8459 )
8460 redir_off = FALSE;
8461 }
8462
8463 /*
8464 * ":redraw": force redraw
8465 */
8466 static void
8467 ex_redraw(eap)
8468 exarg_T *eap;
8469 {
8470 int r = RedrawingDisabled;
8471 int p = p_lz;
8472
8473 RedrawingDisabled = 0;
8474 p_lz = FALSE;
8475 update_topline();
8476 update_screen(eap->forceit ? CLEAR :
8477 #ifdef FEAT_VISUAL
8478 VIsual_active ? INVERTED :
8479 #endif
8480 0);
8481 #ifdef FEAT_TITLE
8482 if (need_maketitle)
8483 maketitle();
8484 #endif
8485 RedrawingDisabled = r;
8486 p_lz = p;
8487
8488 /* Reset msg_didout, so that a message that's there is overwritten. */
8489 msg_didout = FALSE;
8490 msg_col = 0;
8491
8492 out_flush();
8493 }
8494
8495 /*
8496 * ":redrawstatus": force redraw of status line(s)
8497 */
8498 /*ARGSUSED*/
8499 static void
8500 ex_redrawstatus(eap)
8501 exarg_T *eap;
8502 {
8503 #if defined(FEAT_WINDOWS)
8504 int r = RedrawingDisabled;
8505 int p = p_lz;
8506
8507 RedrawingDisabled = 0;
8508 p_lz = FALSE;
8509 if (eap->forceit)
8510 status_redraw_all();
8511 else
8512 status_redraw_curbuf();
8513 update_screen(
8514 # ifdef FEAT_VISUAL
8515 VIsual_active ? INVERTED :
8516 # endif
8517 0);
8518 RedrawingDisabled = r;
8519 p_lz = p;
8520 out_flush();
8521 #endif
8522 }
8523
8524 static void
8525 close_redir()
8526 {
8527 if (redir_fd != NULL)
8528 {
8529 fclose(redir_fd);
8530 redir_fd = NULL;
8531 }
8532 #ifdef FEAT_EVAL
8533 redir_reg = 0;
8534 if (redir_vname)
8535 {
8536 var_redir_stop();
8537 redir_vname = 0;
8538 }
8539 #endif
8540 }
8541
8542 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8543 # define MKSESSION_NL
8544 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8545 #endif
8546
8547 /*
8548 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8549 */
8550 static void
8551 ex_mkrc(eap)
8552 exarg_T *eap;
8553 {
8554 FILE *fd;
8555 int failed = FALSE;
8556 char_u *fname;
8557 #ifdef FEAT_BROWSE
8558 char_u *browseFile = NULL;
8559 #endif
8560 #ifdef FEAT_SESSION
8561 int view_session = FALSE;
8562 int using_vdir = FALSE; /* using 'viewdir'? */
8563 char_u *viewFile = NULL;
8564 unsigned *flagp;
8565 #endif
8566
8567 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8568 {
8569 #ifdef FEAT_SESSION
8570 view_session = TRUE;
8571 #else
8572 ex_ni(eap);
8573 return;
8574 #endif
8575 }
8576
8577 #ifdef FEAT_SESSION
8578 did_lcd = FALSE;
8579
8580 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8581 if (eap->cmdidx == CMD_mkview
8582 && (*eap->arg == NUL
8583 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8584 {
8585 eap->forceit = TRUE;
8586 fname = get_view_file(*eap->arg);
8587 if (fname == NULL)
8588 return;
8589 viewFile = fname;
8590 using_vdir = TRUE;
8591 }
8592 else
8593 #endif
8594 if (*eap->arg != NUL)
8595 fname = eap->arg;
8596 else if (eap->cmdidx == CMD_mkvimrc)
8597 fname = (char_u *)VIMRC_FILE;
8598 #ifdef FEAT_SESSION
8599 else if (eap->cmdidx == CMD_mksession)
8600 fname = (char_u *)SESSION_FILE;
8601 #endif
8602 else
8603 fname = (char_u *)EXRC_FILE;
8604
8605 #ifdef FEAT_BROWSE
8606 if (cmdmod.browse)
8607 {
8608 browseFile = do_browse(BROWSE_SAVE,
8609 # ifdef FEAT_SESSION
8610 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8611 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8612 # endif
8613 (char_u *)_("Save Setup"),
8614 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8615 if (browseFile == NULL)
8616 goto theend;
8617 fname = browseFile;
8618 eap->forceit = TRUE; /* since dialog already asked */
8619 }
8620 #endif
8621
8622 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8623 /* When using 'viewdir' may have to create the directory. */
8624 if (using_vdir && !mch_isdir(p_vdir))
8625 vim_mkdir_emsg(p_vdir, 0755);
8626 #endif
8627
8628 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8629 if (fd != NULL)
8630 {
8631 #ifdef FEAT_SESSION
8632 if (eap->cmdidx == CMD_mkview)
8633 flagp = &vop_flags;
8634 else
8635 flagp = &ssop_flags;
8636 #endif
8637
8638 #ifdef MKSESSION_NL
8639 /* "unix" in 'sessionoptions': use NL line separator */
8640 if (view_session && (*flagp & SSOP_UNIX))
8641 mksession_nl = TRUE;
8642 #endif
8643
8644 /* Write the version command for :mkvimrc */
8645 if (eap->cmdidx == CMD_mkvimrc)
8646 (void)put_line(fd, "version 6.0");
8647
8648 #ifdef FEAT_SESSION
8649 if (eap->cmdidx == CMD_mksession)
8650 {
8651 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8652 failed = TRUE;
8653 }
8654
8655 if (eap->cmdidx != CMD_mkview)
8656 #endif
8657 {
8658 /* Write setting 'compatible' first, because it has side effects.
8659 * For that same reason only do it when needed. */
8660 if (p_cp)
8661 (void)put_line(fd, "if !&cp | set cp | endif");
8662 else
8663 (void)put_line(fd, "if &cp | set nocp | endif");
8664 }
8665
8666 #ifdef FEAT_SESSION
8667 if (!view_session
8668 || (eap->cmdidx == CMD_mksession
8669 && (*flagp & SSOP_OPTIONS)))
8670 #endif
8671 failed |= (makemap(fd, NULL) == FAIL
8672 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8673
8674 #ifdef FEAT_SESSION
8675 if (!failed && view_session)
8676 {
8677 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8678 failed = TRUE;
8679 if (eap->cmdidx == CMD_mksession)
8680 {
8681 char_u dirnow[MAXPATHL]; /* current directory */
8682
8683 /*
8684 * Change to session file's dir.
8685 */
8686 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8687 || mch_chdir((char *)dirnow) != 0)
8688 *dirnow = NUL;
8689 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8690 {
8691 if (vim_chdirfile(fname) == OK)
8692 shorten_fnames(TRUE);
8693 }
8694 else if (*dirnow != NUL
8695 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8696 {
8697 (void)mch_chdir((char *)globaldir);
8698 shorten_fnames(TRUE);
8699 }
8700
8701 failed |= (makeopens(fd, dirnow) == FAIL);
8702
8703 /* restore original dir */
8704 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8705 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8706 {
8707 if (mch_chdir((char *)dirnow) != 0)
8708 EMSG(_(e_prev_dir));
8709 shorten_fnames(TRUE);
8710 }
8711 }
8712 else
8713 {
8714 failed |= (put_view(fd, curwin, !using_vdir, flagp) == FAIL);
8715 }
8716 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8717 == FAIL)
8718 failed = TRUE;
8719 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8720 failed = TRUE;
8721 if (eap->cmdidx == CMD_mksession)
8722 {
8723 if (put_line(fd, "unlet SessionLoad") == FAIL)
8724 failed = TRUE;
8725 }
8726 }
8727 #endif
8728 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8729 failed = TRUE;
8730
8731 failed |= fclose(fd);
8732
8733 if (failed)
8734 EMSG(_(e_write));
8735 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8736 else if (eap->cmdidx == CMD_mksession)
8737 {
8738 /* successful session write - set this_session var */
8739 char_u tbuf[MAXPATHL];
8740
8741 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8742 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8743 }
8744 #endif
8745 #ifdef MKSESSION_NL
8746 mksession_nl = FALSE;
8747 #endif
8748 }
8749
8750 #ifdef FEAT_BROWSE
8751 theend:
8752 vim_free(browseFile);
8753 #endif
8754 #ifdef FEAT_SESSION
8755 vim_free(viewFile);
8756 #endif
8757 }
8758
8759 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8760 || defined(PROTO)
8761 /*ARGSUSED*/
8762 int
8763 vim_mkdir_emsg(name, prot)
8764 char_u *name;
8765 int prot;
8766 {
8767 if (vim_mkdir(name, prot) != 0)
8768 {
8769 EMSG2(_("E739: Cannot create directory: %s"), name);
8770 return FAIL;
8771 }
8772 return OK;
8773 }
8774 #endif
8775
8776 /*
8777 * Open a file for writing for an Ex command, with some checks.
8778 * Return file descriptor, or NULL on failure.
8779 */
8780 FILE *
8781 open_exfile(fname, forceit, mode)
8782 char_u *fname;
8783 int forceit;
8784 char *mode; /* "w" for create new file or "a" for append */
8785 {
8786 FILE *fd;
8787
8788 #ifdef UNIX
8789 /* with Unix it is possible to open a directory */
8790 if (mch_isdir(fname))
8791 {
8792 EMSG2(_(e_isadir2), fname);
8793 return NULL;
8794 }
8795 #endif
8796 if (!forceit && *mode != 'a' && vim_fexists(fname))
8797 {
8798 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8799 return NULL;
8800 }
8801
8802 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8803 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8804
8805 return fd;
8806 }
8807
8808 /*
8809 * ":mark" and ":k".
8810 */
8811 static void
8812 ex_mark(eap)
8813 exarg_T *eap;
8814 {
8815 pos_T pos;
8816
8817 if (*eap->arg == NUL) /* No argument? */
8818 EMSG(_(e_argreq));
8819 else if (eap->arg[1] != NUL) /* more than one character? */
8820 EMSG(_(e_trailing));
8821 else
8822 {
8823 pos = curwin->w_cursor; /* save curwin->w_cursor */
8824 curwin->w_cursor.lnum = eap->line2;
8825 beginline(BL_WHITE | BL_FIX);
8826 if (setmark(*eap->arg) == FAIL) /* set mark */
8827 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8828 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8829 }
8830 }
8831
8832 /*
8833 * Update w_topline, w_leftcol and the cursor position.
8834 */
8835 void
8836 update_topline_cursor()
8837 {
8838 check_cursor(); /* put cursor on valid line */
8839 update_topline();
8840 if (!curwin->w_p_wrap)
8841 validate_cursor();
8842 update_curswant();
8843 }
8844
8845 #ifdef FEAT_EX_EXTRA
8846 /*
8847 * ":normal[!] {commands}": Execute normal mode commands.
8848 */
8849 static void
8850 ex_normal(eap)
8851 exarg_T *eap;
8852 {
8853 int save_msg_scroll = msg_scroll;
8854 int save_restart_edit = restart_edit;
8855 int save_msg_didout = msg_didout;
8856 int save_State = State;
8857 tasave_T tabuf;
8858 int save_insertmode = p_im;
8859 int save_finish_op = finish_op;
8860 #ifdef FEAT_MBYTE
8861 char_u *arg = NULL;
8862 int l;
8863 char_u *p;
8864 #endif
8865
8866 if (ex_normal_lock > 0)
8867 {
8868 EMSG(_(e_secure));
8869 return;
8870 }
8871 if (ex_normal_busy >= p_mmd)
8872 {
8873 EMSG(_("E192: Recursive use of :normal too deep"));
8874 return;
8875 }
8876 ++ex_normal_busy;
8877
8878 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8879 restart_edit = 0; /* don't go to Insert mode */
8880 p_im = FALSE; /* don't use 'insertmode' */
8881
8882 #ifdef FEAT_MBYTE
8883 /*
8884 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8885 * this for the K_SPECIAL leading byte, otherwise special keys will not
8886 * work.
8887 */
8888 if (has_mbyte)
8889 {
8890 int len = 0;
8891
8892 /* Count the number of characters to be escaped. */
8893 for (p = eap->arg; *p != NUL; ++p)
8894 {
8895 # ifdef FEAT_GUI
8896 if (*p == CSI) /* leadbyte CSI */
8897 len += 2;
8898 # endif
8899 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8900 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8901 # ifdef FEAT_GUI
8902 || *p == CSI
8903 # endif
8904 )
8905 len += 2;
8906 }
8907 if (len > 0)
8908 {
8909 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8910 if (arg != NULL)
8911 {
8912 len = 0;
8913 for (p = eap->arg; *p != NUL; ++p)
8914 {
8915 arg[len++] = *p;
8916 # ifdef FEAT_GUI
8917 if (*p == CSI)
8918 {
8919 arg[len++] = KS_EXTRA;
8920 arg[len++] = (int)KE_CSI;
8921 }
8922 # endif
8923 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8924 {
8925 arg[len++] = *++p;
8926 if (*p == K_SPECIAL)
8927 {
8928 arg[len++] = KS_SPECIAL;
8929 arg[len++] = KE_FILLER;
8930 }
8931 # ifdef FEAT_GUI
8932 else if (*p == CSI)
8933 {
8934 arg[len++] = KS_EXTRA;
8935 arg[len++] = (int)KE_CSI;
8936 }
8937 # endif
8938 }
8939 arg[len] = NUL;
8940 }
8941 }
8942 }
8943 }
8944 #endif
8945
8946 /*
8947 * Save the current typeahead. This is required to allow using ":normal"
8948 * from an event handler and makes sure we don't hang when the argument
8949 * ends with half a command.
8950 */
8951 save_typeahead(&tabuf);
8952 if (tabuf.typebuf_valid)
8953 {
8954 /*
8955 * Repeat the :normal command for each line in the range. When no
8956 * range given, execute it just once, without positioning the cursor
8957 * first.
8958 */
8959 do
8960 {
8961 if (eap->addr_count != 0)
8962 {
8963 curwin->w_cursor.lnum = eap->line1++;
8964 curwin->w_cursor.col = 0;
8965 }
8966
8967 exec_normal_cmd(
8968 #ifdef FEAT_MBYTE
8969 arg != NULL ? arg :
8970 #endif
8971 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
8972 }
8973 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
8974 }
8975
8976 /* Might not return to the main loop when in an event handler. */
8977 update_topline_cursor();
8978
8979 /* Restore the previous typeahead. */
8980 restore_typeahead(&tabuf);
8981
8982 --ex_normal_busy;
8983 msg_scroll = save_msg_scroll;
8984 restart_edit = save_restart_edit;
8985 p_im = save_insertmode;
8986 finish_op = save_finish_op;
8987 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
8988
8989 /* Restore the state (needed when called from a function executed for
8990 * 'indentexpr'). */
8991 State = save_State;
8992 #ifdef FEAT_MBYTE
8993 vim_free(arg);
8994 #endif
8995 }
8996
8997 /*
8998 * ":startinsert", ":startreplace" and ":startgreplace"
8999 */
9000 static void
9001 ex_startinsert(eap)
9002 exarg_T *eap;
9003 {
9004 if (eap->forceit)
9005 {
9006 coladvance((colnr_T)MAXCOL);
9007 curwin->w_curswant = MAXCOL;
9008 curwin->w_set_curswant = FALSE;
9009 }
9010
9011 /* Ignore the command when already in Insert mode. Inserting an
9012 * expression register that invokes a function can do this. */
9013 if (State & INSERT)
9014 return;
9015
9016 if (eap->cmdidx == CMD_startinsert)
9017 restart_edit = 'a';
9018 else if (eap->cmdidx == CMD_startreplace)
9019 restart_edit = 'R';
9020 else
9021 restart_edit = 'V';
9022
9023 if (!eap->forceit)
9024 {
9025 if (eap->cmdidx == CMD_startinsert)
9026 restart_edit = 'i';
9027 curwin->w_curswant = 0; /* avoid MAXCOL */
9028 }
9029 }
9030
9031 /*
9032 * ":stopinsert"
9033 */
9034 /*ARGSUSED*/
9035 static void
9036 ex_stopinsert(eap)
9037 exarg_T *eap;
9038 {
9039 restart_edit = 0;
9040 stop_insert_mode = TRUE;
9041 }
9042 #endif
9043
9044 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9045 /*
9046 * Execute normal mode command "cmd".
9047 * "remap" can be REMAP_NONE or REMAP_YES.
9048 */
9049 void
9050 exec_normal_cmd(cmd, remap, silent)
9051 char_u *cmd;
9052 int remap;
9053 int silent;
9054 {
9055 oparg_T oa;
9056
9057 /*
9058 * Stuff the argument into the typeahead buffer.
9059 * Execute normal_cmd() until there is no typeahead left.
9060 */
9061 clear_oparg(&oa);
9062 finish_op = FALSE;
9063 ins_typebuf(cmd, remap, 0, TRUE, silent);
9064 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9065 && !got_int)
9066 {
9067 update_topline_cursor();
9068 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9069 }
9070 }
9071 #endif
9072
9073 #ifdef FEAT_FIND_ID
9074 static void
9075 ex_checkpath(eap)
9076 exarg_T *eap;
9077 {
9078 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9079 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9080 (linenr_T)1, (linenr_T)MAXLNUM);
9081 }
9082
9083 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9084 /*
9085 * ":psearch"
9086 */
9087 static void
9088 ex_psearch(eap)
9089 exarg_T *eap;
9090 {
9091 g_do_tagpreview = p_pvh;
9092 ex_findpat(eap);
9093 g_do_tagpreview = 0;
9094 }
9095 #endif
9096
9097 static void
9098 ex_findpat(eap)
9099 exarg_T *eap;
9100 {
9101 int whole = TRUE;
9102 long n;
9103 char_u *p;
9104 int action;
9105
9106 switch (cmdnames[eap->cmdidx].cmd_name[2])
9107 {
9108 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9109 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9110 action = ACTION_GOTO;
9111 else
9112 action = ACTION_SHOW;
9113 break;
9114 case 'i': /* ":ilist" and ":dlist" */
9115 action = ACTION_SHOW_ALL;
9116 break;
9117 case 'u': /* ":ijump" and ":djump" */
9118 action = ACTION_GOTO;
9119 break;
9120 default: /* ":isplit" and ":dsplit" */
9121 action = ACTION_SPLIT;
9122 break;
9123 }
9124
9125 n = 1;
9126 if (vim_isdigit(*eap->arg)) /* get count */
9127 {
9128 n = getdigits(&eap->arg);
9129 eap->arg = skipwhite(eap->arg);
9130 }
9131 if (*eap->arg == '/') /* Match regexp, not just whole words */
9132 {
9133 whole = FALSE;
9134 ++eap->arg;
9135 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9136 if (*p)
9137 {
9138 *p++ = NUL;
9139 p = skipwhite(p);
9140
9141 /* Check for trailing illegal characters */
9142 if (!ends_excmd(*p))
9143 eap->errmsg = e_trailing;
9144 else
9145 eap->nextcmd = check_nextcmd(p);
9146 }
9147 }
9148 if (!eap->skip)
9149 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9150 whole, !eap->forceit,
9151 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9152 n, action, eap->line1, eap->line2);
9153 }
9154 #endif
9155
9156 #ifdef FEAT_WINDOWS
9157
9158 # ifdef FEAT_QUICKFIX
9159 /*
9160 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9161 */
9162 static void
9163 ex_ptag(eap)
9164 exarg_T *eap;
9165 {
9166 g_do_tagpreview = p_pvh;
9167 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9168 }
9169
9170 /*
9171 * ":pedit"
9172 */
9173 static void
9174 ex_pedit(eap)
9175 exarg_T *eap;
9176 {
9177 win_T *curwin_save = curwin;
9178
9179 g_do_tagpreview = p_pvh;
9180 prepare_tagpreview(TRUE);
9181 keep_help_flag = curwin_save->w_buffer->b_help;
9182 do_exedit(eap, NULL);
9183 keep_help_flag = FALSE;
9184 if (curwin != curwin_save && win_valid(curwin_save))
9185 {
9186 /* Return cursor to where we were */
9187 validate_cursor();
9188 redraw_later(VALID);
9189 win_enter(curwin_save, TRUE);
9190 }
9191 g_do_tagpreview = 0;
9192 }
9193 # endif
9194
9195 /*
9196 * ":stag", ":stselect" and ":stjump".
9197 */
9198 static void
9199 ex_stag(eap)
9200 exarg_T *eap;
9201 {
9202 postponed_split = -1;
9203 postponed_split_flags = cmdmod.split;
9204 postponed_split_tab = cmdmod.tab;
9205 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9206 postponed_split_flags = 0;
9207 postponed_split_tab = 0;
9208 }
9209 #endif
9210
9211 /*
9212 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9213 */
9214 static void
9215 ex_tag(eap)
9216 exarg_T *eap;
9217 {
9218 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9219 }
9220
9221 static void
9222 ex_tag_cmd(eap, name)
9223 exarg_T *eap;
9224 char_u *name;
9225 {
9226 int cmd;
9227
9228 switch (name[1])
9229 {
9230 case 'j': cmd = DT_JUMP; /* ":tjump" */
9231 break;
9232 case 's': cmd = DT_SELECT; /* ":tselect" */
9233 break;
9234 case 'p': cmd = DT_PREV; /* ":tprevious" */
9235 break;
9236 case 'N': cmd = DT_PREV; /* ":tNext" */
9237 break;
9238 case 'n': cmd = DT_NEXT; /* ":tnext" */
9239 break;
9240 case 'o': cmd = DT_POP; /* ":pop" */
9241 break;
9242 case 'f': /* ":tfirst" */
9243 case 'r': cmd = DT_FIRST; /* ":trewind" */
9244 break;
9245 case 'l': cmd = DT_LAST; /* ":tlast" */
9246 break;
9247 default: /* ":tag" */
9248 #ifdef FEAT_CSCOPE
9249 if (p_cst)
9250 {
9251 do_cstag(eap);
9252 return;
9253 }
9254 #endif
9255 cmd = DT_TAG;
9256 break;
9257 }
9258
9259 if (name[0] == 'l')
9260 {
9261 #ifndef FEAT_QUICKFIX
9262 ex_ni(eap);
9263 return;
9264 #else
9265 cmd = DT_LTAG;
9266 #endif
9267 }
9268
9269 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9270 eap->forceit, TRUE);
9271 }
9272
9273 /*
9274 * Evaluate cmdline variables.
9275 *
9276 * change '%' to curbuf->b_ffname
9277 * '#' to curwin->w_altfile
9278 * '<cword>' to word under the cursor
9279 * '<cWORD>' to WORD under the cursor
9280 * '<cfile>' to path name under the cursor
9281 * '<sfile>' to sourced file name
9282 * '<afile>' to file name for autocommand
9283 * '<abuf>' to buffer number for autocommand
9284 * '<amatch>' to matching name for autocommand
9285 *
9286 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9287 * "" for error without a message) and NULL is returned.
9288 * Returns an allocated string if a valid match was found.
9289 * Returns NULL if no match was found. "usedlen" then still contains the
9290 * number of characters to skip.
9291 */
9292 char_u *
9293 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9294 char_u *src; /* pointer into commandline */
9295 char_u *srcstart; /* beginning of valid memory for src */
9296 int *usedlen; /* characters after src that are used */
9297 linenr_T *lnump; /* line number for :e command, or NULL */
9298 char_u **errormsg; /* pointer to error message */
9299 int *escaped; /* return value has escaped white space (can
9300 * be NULL) */
9301 {
9302 int i;
9303 char_u *s;
9304 char_u *result;
9305 char_u *resultbuf = NULL;
9306 int resultlen;
9307 buf_T *buf;
9308 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9309 int spec_idx;
9310 #ifdef FEAT_MODIFY_FNAME
9311 int skip_mod = FALSE;
9312 #endif
9313 static char *(spec_str[]) =
9314 {
9315 "%",
9316 #define SPEC_PERC 0
9317 "#",
9318 #define SPEC_HASH 1
9319 "<cword>", /* cursor word */
9320 #define SPEC_CWORD 2
9321 "<cWORD>", /* cursor WORD */
9322 #define SPEC_CCWORD 3
9323 "<cfile>", /* cursor path name */
9324 #define SPEC_CFILE 4
9325 "<sfile>", /* ":so" file name */
9326 #define SPEC_SFILE 5
9327 #ifdef FEAT_AUTOCMD
9328 "<afile>", /* autocommand file name */
9329 # define SPEC_AFILE 6
9330 "<abuf>", /* autocommand buffer number */
9331 # define SPEC_ABUF 7
9332 "<amatch>", /* autocommand match name */
9333 # define SPEC_AMATCH 8
9334 #endif
9335 #ifdef FEAT_CLIENTSERVER
9336 "<client>"
9337 # define SPEC_CLIENT 9
9338 #endif
9339 };
9340 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9341
9342 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9343 char_u strbuf[30];
9344 #endif
9345
9346 *errormsg = NULL;
9347 if (escaped != NULL)
9348 *escaped = FALSE;
9349
9350 /*
9351 * Check if there is something to do.
9352 */
9353 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9354 {
9355 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9356 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9357 break;
9358 }
9359 if (spec_idx == SPEC_COUNT) /* no match */
9360 {
9361 *usedlen = 1;
9362 return NULL;
9363 }
9364
9365 /*
9366 * Skip when preceded with a backslash "\%" and "\#".
9367 * Note: In "\\%" the % is also not recognized!
9368 */
9369 if (src > srcstart && src[-1] == '\\')
9370 {
9371 *usedlen = 0;
9372 STRCPY(src - 1, src); /* remove backslash */
9373 return NULL;
9374 }
9375
9376 /*
9377 * word or WORD under cursor
9378 */
9379 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9380 {
9381 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9382 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9383 if (resultlen == 0)
9384 {
9385 *errormsg = (char_u *)"";
9386 return NULL;
9387 }
9388 }
9389
9390 /*
9391 * '#': Alternate file name
9392 * '%': Current file name
9393 * File name under the cursor
9394 * File name for autocommand
9395 * and following modifiers
9396 */
9397 else
9398 {
9399 switch (spec_idx)
9400 {
9401 case SPEC_PERC: /* '%': current file */
9402 if (curbuf->b_fname == NULL)
9403 {
9404 result = (char_u *)"";
9405 valid = 0; /* Must have ":p:h" to be valid */
9406 }
9407 else
9408 #ifdef RISCOS
9409 /* Always use the full path for RISC OS if possible. */
9410 result = curbuf->b_ffname;
9411 if (result == NULL)
9412 result = curbuf->b_fname;
9413 #else
9414 result = curbuf->b_fname;
9415 #endif
9416 break;
9417
9418 case SPEC_HASH: /* '#' or "#99": alternate file */
9419 if (src[1] == '#') /* "##": the argument list */
9420 {
9421 result = arg_all();
9422 resultbuf = result;
9423 *usedlen = 2;
9424 if (escaped != NULL)
9425 *escaped = TRUE;
9426 #ifdef FEAT_MODIFY_FNAME
9427 skip_mod = TRUE;
9428 #endif
9429 break;
9430 }
9431 s = src + 1;
9432 i = (int)getdigits(&s);
9433 *usedlen = (int)(s - src); /* length of what we expand */
9434
9435 buf = buflist_findnr(i);
9436 if (buf == NULL)
9437 {
9438 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9439 return NULL;
9440 }
9441 if (lnump != NULL)
9442 *lnump = ECMD_LAST;
9443 if (buf->b_fname == NULL)
9444 {
9445 result = (char_u *)"";
9446 valid = 0; /* Must have ":p:h" to be valid */
9447 }
9448 else
9449 result = buf->b_fname;
9450 break;
9451
9452 #ifdef FEAT_SEARCHPATH
9453 case SPEC_CFILE: /* file name under cursor */
9454 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9455 if (result == NULL)
9456 {
9457 *errormsg = (char_u *)"";
9458 return NULL;
9459 }
9460 resultbuf = result; /* remember allocated string */
9461 break;
9462 #endif
9463
9464 #ifdef FEAT_AUTOCMD
9465 case SPEC_AFILE: /* file name for autocommand */
9466 result = autocmd_fname;
9467 if (result == NULL)
9468 {
9469 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9470 return NULL;
9471 }
9472 break;
9473
9474 case SPEC_ABUF: /* buffer number for autocommand */
9475 if (autocmd_bufnr <= 0)
9476 {
9477 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9478 return NULL;
9479 }
9480 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9481 result = strbuf;
9482 break;
9483
9484 case SPEC_AMATCH: /* match name for autocommand */
9485 result = autocmd_match;
9486 if (result == NULL)
9487 {
9488 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9489 return NULL;
9490 }
9491 break;
9492
9493 #endif
9494 case SPEC_SFILE: /* file name for ":so" command */
9495 result = sourcing_name;
9496 if (result == NULL)
9497 {
9498 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9499 return NULL;
9500 }
9501 break;
9502 #if defined(FEAT_CLIENTSERVER)
9503 case SPEC_CLIENT: /* Source of last submitted input */
9504 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9505 (long_u)clientWindow);
9506 result = strbuf;
9507 break;
9508 #endif
9509 }
9510
9511 resultlen = (int)STRLEN(result); /* length of new string */
9512 if (src[*usedlen] == '<') /* remove the file name extension */
9513 {
9514 ++*usedlen;
9515 #ifdef RISCOS
9516 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9517 #else
9518 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9519 #endif
9520 resultlen = (int)(s - result);
9521 }
9522 #ifdef FEAT_MODIFY_FNAME
9523 else if (!skip_mod)
9524 {
9525 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9526 &resultlen);
9527 if (result == NULL)
9528 {
9529 *errormsg = (char_u *)"";
9530 return NULL;
9531 }
9532 }
9533 #endif
9534 }
9535
9536 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9537 {
9538 if (valid != VALID_HEAD + VALID_PATH)
9539 /* xgettext:no-c-format */
9540 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9541 else
9542 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9543 result = NULL;
9544 }
9545 else
9546 result = vim_strnsave(result, resultlen);
9547 vim_free(resultbuf);
9548 return result;
9549 }
9550
9551 /*
9552 * Concatenate all files in the argument list, separated by spaces, and return
9553 * it in one allocated string.
9554 * Spaces and backslashes in the file names are escaped with a backslash.
9555 * Returns NULL when out of memory.
9556 */
9557 static char_u *
9558 arg_all()
9559 {
9560 int len;
9561 int idx;
9562 char_u *retval = NULL;
9563 char_u *p;
9564
9565 /*
9566 * Do this loop two times:
9567 * first time: compute the total length
9568 * second time: concatenate the names
9569 */
9570 for (;;)
9571 {
9572 len = 0;
9573 for (idx = 0; idx < ARGCOUNT; ++idx)
9574 {
9575 p = alist_name(&ARGLIST[idx]);
9576 if (p != NULL)
9577 {
9578 if (len > 0)
9579 {
9580 /* insert a space in between names */
9581 if (retval != NULL)
9582 retval[len] = ' ';
9583 ++len;
9584 }
9585 for ( ; *p != NUL; ++p)
9586 {
9587 if (*p == ' ' || *p == '\\')
9588 {
9589 /* insert a backslash */
9590 if (retval != NULL)
9591 retval[len] = '\\';
9592 ++len;
9593 }
9594 if (retval != NULL)
9595 retval[len] = *p;
9596 ++len;
9597 }
9598 }
9599 }
9600
9601 /* second time: break here */
9602 if (retval != NULL)
9603 {
9604 retval[len] = NUL;
9605 break;
9606 }
9607
9608 /* allocate memory */
9609 retval = alloc(len + 1);
9610 if (retval == NULL)
9611 break;
9612 }
9613
9614 return retval;
9615 }
9616
9617 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9618 /*
9619 * Expand the <sfile> string in "arg".
9620 *
9621 * Returns an allocated string, or NULL for any error.
9622 */
9623 char_u *
9624 expand_sfile(arg)
9625 char_u *arg;
9626 {
9627 char_u *errormsg;
9628 int len;
9629 char_u *result;
9630 char_u *newres;
9631 char_u *repl;
9632 int srclen;
9633 char_u *p;
9634
9635 result = vim_strsave(arg);
9636 if (result == NULL)
9637 return NULL;
9638
9639 for (p = result; *p; )
9640 {
9641 if (STRNCMP(p, "<sfile>", 7) != 0)
9642 ++p;
9643 else
9644 {
9645 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9646 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9647 if (errormsg != NULL)
9648 {
9649 if (*errormsg)
9650 emsg(errormsg);
9651 vim_free(result);
9652 return NULL;
9653 }
9654 if (repl == NULL) /* no match (cannot happen) */
9655 {
9656 p += srclen;
9657 continue;
9658 }
9659 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9660 newres = alloc(len);
9661 if (newres == NULL)
9662 {
9663 vim_free(repl);
9664 vim_free(result);
9665 return NULL;
9666 }
9667 mch_memmove(newres, result, (size_t)(p - result));
9668 STRCPY(newres + (p - result), repl);
9669 len = (int)STRLEN(newres);
9670 STRCAT(newres, p + srclen);
9671 vim_free(repl);
9672 vim_free(result);
9673 result = newres;
9674 p = newres + len; /* continue after the match */
9675 }
9676 }
9677
9678 return result;
9679 }
9680 #endif
9681
9682 #ifdef FEAT_SESSION
9683 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9684 win_T *tab_firstwin));
9685 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9686 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9687 static int ses_do_frame __ARGS((frame_T *fr));
9688 static int ses_do_win __ARGS((win_T *wp));
9689 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9690 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9691 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9692
9693 /*
9694 * Write openfile commands for the current buffers to an .exrc file.
9695 * Return FAIL on error, OK otherwise.
9696 */
9697 static int
9698 makeopens(fd, dirnow)
9699 FILE *fd;
9700 char_u *dirnow; /* Current directory name */
9701 {
9702 buf_T *buf;
9703 int only_save_windows = TRUE;
9704 int nr;
9705 int cnr = 1;
9706 int restore_size = TRUE;
9707 win_T *wp;
9708 char_u *sname;
9709 win_T *edited_win = NULL;
9710 int tabnr;
9711 win_T *tab_firstwin;
9712 frame_T *tab_topframe;
9713
9714 if (ssop_flags & SSOP_BUFFERS)
9715 only_save_windows = FALSE; /* Save ALL buffers */
9716
9717 /*
9718 * Begin by setting the this_session variable, and then other
9719 * sessionable variables.
9720 */
9721 #ifdef FEAT_EVAL
9722 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9723 return FAIL;
9724 if (ssop_flags & SSOP_GLOBALS)
9725 if (store_session_globals(fd) == FAIL)
9726 return FAIL;
9727 #endif
9728
9729 /*
9730 * Close all windows but one.
9731 */
9732 if (put_line(fd, "silent only") == FAIL)
9733 return FAIL;
9734
9735 /*
9736 * Now a :cd command to the session directory or the current directory
9737 */
9738 if (ssop_flags & SSOP_SESDIR)
9739 {
9740 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9741 == FAIL)
9742 return FAIL;
9743 }
9744 else if (ssop_flags & SSOP_CURDIR)
9745 {
9746 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9747 if (sname == NULL
9748 || fputs("cd ", fd) < 0
9749 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9750 || put_eol(fd) == FAIL)
9751 {
9752 vim_free(sname);
9753 return FAIL;
9754 }
9755 vim_free(sname);
9756 }
9757
9758 /*
9759 * If there is an empty, unnamed buffer we will wipe it out later.
9760 * Remember the buffer number.
9761 */
9762 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9763 return FAIL;
9764 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9765 return FAIL;
9766 if (put_line(fd, "endif") == FAIL)
9767 return FAIL;
9768
9769 /*
9770 * Now save the current files, current buffer first.
9771 */
9772 if (put_line(fd, "set shortmess=aoO") == FAIL)
9773 return FAIL;
9774
9775 /* Now put the other buffers into the buffer list */
9776 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9777 {
9778 if (!(only_save_windows && buf->b_nwindows == 0)
9779 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9780 && buf->b_fname != NULL
9781 && buf->b_p_bl)
9782 {
9783 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9784 : buf->b_wininfo->wi_fpos.lnum) < 0
9785 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9786 return FAIL;
9787 }
9788 }
9789
9790 /* the global argument list */
9791 if (ses_arglist(fd, "args", &global_alist.al_ga,
9792 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9793 return FAIL;
9794
9795 if (ssop_flags & SSOP_RESIZE)
9796 {
9797 /* Note: after the restore we still check it worked!*/
9798 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9799 || put_eol(fd) == FAIL)
9800 return FAIL;
9801 }
9802
9803 #ifdef FEAT_GUI
9804 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9805 {
9806 int x, y;
9807
9808 if (gui_mch_get_winpos(&x, &y) == OK)
9809 {
9810 /* Note: after the restore we still check it worked!*/
9811 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9812 return FAIL;
9813 }
9814 }
9815 #endif
9816
9817 /*
9818 * May repeat putting Windows for each tab, when "tabpages" is in
9819 * 'sessionoptions'.
9820 * Don't use goto_tabpage(), it may change directory and trigger
9821 * autocommands.
9822 */
9823 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9824 tab_topframe = topframe;
9825 for (tabnr = 1; ; ++tabnr)
9826 {
9827 int need_tabnew = FALSE;
9828
9829 if ((ssop_flags & SSOP_TABPAGES))
9830 {
9831 tabpage_T *tp = find_tabpage(tabnr);
9832
9833 if (tp == NULL)
9834 break; /* done all tab pages */
9835 if (tp == curtab)
9836 {
9837 tab_firstwin = firstwin;
9838 tab_topframe = topframe;
9839 }
9840 else
9841 {
9842 tab_firstwin = tp->tp_firstwin;
9843 tab_topframe = tp->tp_topframe;
9844 }
9845 if (tabnr > 1)
9846 need_tabnew = TRUE;
9847 }
9848
9849 /*
9850 * Before creating the window layout, try loading one file. If this
9851 * is aborted we don't end up with a number of useless windows.
9852 * This may have side effects! (e.g., compressed or network file).
9853 */
9854 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9855 {
9856 if (ses_do_win(wp)
9857 && wp->w_buffer->b_ffname != NULL
9858 && !wp->w_buffer->b_help
9859 #ifdef FEAT_QUICKFIX
9860 && !bt_nofile(wp->w_buffer)
9861 #endif
9862 )
9863 {
9864 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9865 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9866 return FAIL;
9867 need_tabnew = FALSE;
9868 if (!wp->w_arg_idx_invalid)
9869 edited_win = wp;
9870 break;
9871 }
9872 }
9873
9874 /* If no file got edited create an empty tab page. */
9875 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9876 return FAIL;
9877
9878 /*
9879 * Save current window layout.
9880 */
9881 if (put_line(fd, "set splitbelow splitright") == FAIL)
9882 return FAIL;
9883 if (ses_win_rec(fd, tab_topframe) == FAIL)
9884 return FAIL;
9885 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9886 return FAIL;
9887 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9888 return FAIL;
9889
9890 /*
9891 * Check if window sizes can be restored (no windows omitted).
9892 * Remember the window number of the current window after restoring.
9893 */
9894 nr = 0;
9895 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9896 {
9897 if (ses_do_win(wp))
9898 ++nr;
9899 else
9900 restore_size = FALSE;
9901 if (curwin == wp)
9902 cnr = nr;
9903 }
9904
9905 /* Go to the first window. */
9906 if (put_line(fd, "wincmd t") == FAIL)
9907 return FAIL;
9908
9909 /*
9910 * If more than one window, see if sizes can be restored.
9911 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9912 * resized when moving between windows.
9913 * Do this before restoring the view, so that the topline and the
9914 * cursor can be set. This is done again below.
9915 */
9916 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9917 return FAIL;
9918 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9919 return FAIL;
9920
9921 /*
9922 * Restore the view of the window (options, file, cursor, etc.).
9923 */
9924 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9925 {
9926 if (!ses_do_win(wp))
9927 continue;
9928 if (put_view(fd, wp, wp != edited_win, &ssop_flags) == FAIL)
9929 return FAIL;
9930 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
9931 return FAIL;
9932 }
9933
9934 /*
9935 * Restore cursor to the current window if it's not the first one.
9936 */
9937 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
9938 || put_eol(fd) == FAIL))
9939 return FAIL;
9940
9941 /*
9942 * Restore window sizes again after jumping around in windows, because
9943 * the current window has a minimum size while others may not.
9944 */
9945 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9946 return FAIL;
9947
9948 /* Don't continue in another tab page when doing only the current one
9949 * or when at the last tab page. */
9950 if (!(ssop_flags & SSOP_TABPAGES))
9951 break;
9952 }
9953
9954 if (ssop_flags & SSOP_TABPAGES)
9955 {
9956 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
9957 || put_eol(fd) == FAIL)
9958 return FAIL;
9959 }
9960
9961 /*
9962 * Wipe out an empty unnamed buffer we started in.
9963 */
9964 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
9965 return FAIL;
9966 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
9967 return FAIL;
9968 if (put_line(fd, "endif") == FAIL)
9969 return FAIL;
9970 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
9971 return FAIL;
9972
9973 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
9974 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
9975 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
9976 return FAIL;
9977
9978 /*
9979 * Lastly, execute the x.vim file if it exists.
9980 */
9981 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
9982 || put_line(fd, "if file_readable(s:sx)") == FAIL
9983 || put_line(fd, " exe \"source \" . s:sx") == FAIL
9984 || put_line(fd, "endif") == FAIL)
9985 return FAIL;
9986
9987 return OK;
9988 }
9989
9990 static int
9991 ses_winsizes(fd, restore_size, tab_firstwin)
9992 FILE *fd;
9993 int restore_size;
9994 win_T *tab_firstwin;
9995 {
9996 int n = 0;
9997 win_T *wp;
9998
9999 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10000 {
10001 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10002 {
10003 if (!ses_do_win(wp))
10004 continue;
10005 ++n;
10006
10007 /* restore height when not full height */
10008 if (wp->w_height + wp->w_status_height < topframe->fr_height
10009 && (fprintf(fd,
10010 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10011 n, (long)wp->w_height, Rows / 2, Rows) < 0
10012 || put_eol(fd) == FAIL))
10013 return FAIL;
10014
10015 /* restore width when not full width */
10016 if (wp->w_width < Columns && (fprintf(fd,
10017 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10018 n, (long)wp->w_width, Columns / 2, Columns) < 0
10019 || put_eol(fd) == FAIL))
10020 return FAIL;
10021 }
10022 }
10023 else
10024 {
10025 /* Just equalise window sizes */
10026 if (put_line(fd, "wincmd =") == FAIL)
10027 return FAIL;
10028 }
10029 return OK;
10030 }
10031
10032 /*
10033 * Write commands to "fd" to recursively create windows for frame "fr",
10034 * horizontally and vertically split.
10035 * After the commands the last window in the frame is the current window.
10036 * Returns FAIL when writing the commands to "fd" fails.
10037 */
10038 static int
10039 ses_win_rec(fd, fr)
10040 FILE *fd;
10041 frame_T *fr;
10042 {
10043 frame_T *frc;
10044 int count = 0;
10045
10046 if (fr->fr_layout != FR_LEAF)
10047 {
10048 /* Find first frame that's not skipped and then create a window for
10049 * each following one (first frame is already there). */
10050 frc = ses_skipframe(fr->fr_child);
10051 if (frc != NULL)
10052 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10053 {
10054 /* Make window as big as possible so that we have lots of room
10055 * to split. */
10056 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10057 || put_line(fd, fr->fr_layout == FR_COL
10058 ? "split" : "vsplit") == FAIL)
10059 return FAIL;
10060 ++count;
10061 }
10062
10063 /* Go back to the first window. */
10064 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10065 ? "%dwincmd k" : "%dwincmd h", count) < 0
10066 || put_eol(fd) == FAIL))
10067 return FAIL;
10068
10069 /* Recursively create frames/windows in each window of this column or
10070 * row. */
10071 frc = ses_skipframe(fr->fr_child);
10072 while (frc != NULL)
10073 {
10074 ses_win_rec(fd, frc);
10075 frc = ses_skipframe(frc->fr_next);
10076 /* Go to next window. */
10077 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10078 return FAIL;
10079 }
10080 }
10081 return OK;
10082 }
10083
10084 /*
10085 * Skip frames that don't contain windows we want to save in the Session.
10086 * Returns NULL when there none.
10087 */
10088 static frame_T *
10089 ses_skipframe(fr)
10090 frame_T *fr;
10091 {
10092 frame_T *frc;
10093
10094 for (frc = fr; frc != NULL; frc = frc->fr_next)
10095 if (ses_do_frame(frc))
10096 break;
10097 return frc;
10098 }
10099
10100 /*
10101 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10102 * the Session.
10103 */
10104 static int
10105 ses_do_frame(fr)
10106 frame_T *fr;
10107 {
10108 frame_T *frc;
10109
10110 if (fr->fr_layout == FR_LEAF)
10111 return ses_do_win(fr->fr_win);
10112 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10113 if (ses_do_frame(frc))
10114 return TRUE;
10115 return FALSE;
10116 }
10117
10118 /*
10119 * Return non-zero if window "wp" is to be stored in the Session.
10120 */
10121 static int
10122 ses_do_win(wp)
10123 win_T *wp;
10124 {
10125 if (wp->w_buffer->b_fname == NULL
10126 #ifdef FEAT_QUICKFIX
10127 /* When 'buftype' is "nofile" can't restore the window contents. */
10128 || bt_nofile(wp->w_buffer)
10129 #endif
10130 )
10131 return (ssop_flags & SSOP_BLANK);
10132 if (wp->w_buffer->b_help)
10133 return (ssop_flags & SSOP_HELP);
10134 return TRUE;
10135 }
10136
10137 /*
10138 * Write commands to "fd" to restore the view of a window.
10139 * Caller must make sure 'scrolloff' is zero.
10140 */
10141 static int
10142 put_view(fd, wp, add_edit, flagp)
10143 FILE *fd;
10144 win_T *wp;
10145 int add_edit; /* add ":edit" command to view */
10146 unsigned *flagp; /* vop_flags or ssop_flags */
10147 {
10148 win_T *save_curwin;
10149 int f;
10150 int do_cursor;
10151 int did_next = FALSE;
10152
10153 /* Always restore cursor position for ":mksession". For ":mkview" only
10154 * when 'viewoptions' contains "cursor". */
10155 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10156
10157 /*
10158 * Local argument list.
10159 */
10160 if (wp->w_alist == &global_alist)
10161 {
10162 if (put_line(fd, "argglobal") == FAIL)
10163 return FAIL;
10164 }
10165 else
10166 {
10167 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10168 flagp == &vop_flags
10169 || !(*flagp & SSOP_CURDIR)
10170 || wp->w_localdir != NULL, flagp) == FAIL)
10171 return FAIL;
10172 }
10173
10174 /* Only when part of a session: restore the argument index. Some
10175 * arguments may have been deleted, check if the index is valid. */
10176 if (wp->w_arg_idx != 0 && wp->w_arg_idx <= WARGCOUNT(wp)
10177 && flagp == &ssop_flags)
10178 {
10179 if (fprintf(fd, "%ldnext", (long)wp->w_arg_idx) < 0
10180 || put_eol(fd) == FAIL)
10181 return FAIL;
10182 did_next = TRUE;
10183 }
10184
10185 /* Edit the file. Skip this when ":next" already did it. */
10186 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10187 {
10188 /*
10189 * Load the file.
10190 */
10191 if (wp->w_buffer->b_ffname != NULL
10192 #ifdef FEAT_QUICKFIX
10193 && !bt_nofile(wp->w_buffer)
10194 #endif
10195 )
10196 {
10197 /*
10198 * Editing a file in this buffer: use ":edit file".
10199 * This may have side effects! (e.g., compressed or network file).
10200 */
10201 if (fputs("edit ", fd) < 0
10202 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10203 return FAIL;
10204 }
10205 else
10206 {
10207 /* No file in this buffer, just make it empty. */
10208 if (put_line(fd, "enew") == FAIL)
10209 return FAIL;
10210 #ifdef FEAT_QUICKFIX
10211 if (wp->w_buffer->b_ffname != NULL)
10212 {
10213 /* The buffer does have a name, but it's not a file name. */
10214 if (fputs("file ", fd) < 0
10215 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10216 return FAIL;
10217 }
10218 #endif
10219 do_cursor = FALSE;
10220 }
10221 }
10222
10223 /*
10224 * Local mappings and abbreviations.
10225 */
10226 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10227 && makemap(fd, wp->w_buffer) == FAIL)
10228 return FAIL;
10229
10230 /*
10231 * Local options. Need to go to the window temporarily.
10232 * Store only local values when using ":mkview" and when ":mksession" is
10233 * used and 'sessionoptions' doesn't include "options".
10234 * Some folding options are always stored when "folds" is included,
10235 * otherwise the folds would not be restored correctly.
10236 */
10237 save_curwin = curwin;
10238 curwin = wp;
10239 curbuf = curwin->w_buffer;
10240 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10241 f = makeset(fd, OPT_LOCAL,
10242 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10243 #ifdef FEAT_FOLDING
10244 else if (*flagp & SSOP_FOLDS)
10245 f = makefoldset(fd);
10246 #endif
10247 else
10248 f = OK;
10249 curwin = save_curwin;
10250 curbuf = curwin->w_buffer;
10251 if (f == FAIL)
10252 return FAIL;
10253
10254 #ifdef FEAT_FOLDING
10255 /*
10256 * Save Folds when 'buftype' is empty and for help files.
10257 */
10258 if ((*flagp & SSOP_FOLDS)
10259 && wp->w_buffer->b_ffname != NULL
10260 # ifdef FEAT_QUICKFIX
10261 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10262 # endif
10263 )
10264 {
10265 if (put_folds(fd, wp) == FAIL)
10266 return FAIL;
10267 }
10268 #endif
10269
10270 /*
10271 * Set the cursor after creating folds, since that moves the cursor.
10272 */
10273 if (do_cursor)
10274 {
10275
10276 /* Restore the cursor line in the file and relatively in the
10277 * window. Don't use "G", it changes the jumplist. */
10278 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10279 (long)wp->w_cursor.lnum,
10280 (long)(wp->w_cursor.lnum - wp->w_topline),
10281 (long)wp->w_height / 2, (long)wp->w_height) < 0
10282 || put_eol(fd) == FAIL
10283 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10284 || put_line(fd, "exe s:l") == FAIL
10285 || put_line(fd, "normal! zt") == FAIL
10286 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10287 || put_eol(fd) == FAIL)
10288 return FAIL;
10289 /* Restore the cursor column and left offset when not wrapping. */
10290 if (wp->w_cursor.col == 0)
10291 {
10292 if (put_line(fd, "normal! 0") == FAIL)
10293 return FAIL;
10294 }
10295 else
10296 {
10297 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10298 {
10299 if (fprintf(fd,
10300 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10301 (long)wp->w_cursor.col,
10302 (long)(wp->w_cursor.col - wp->w_leftcol),
10303 (long)wp->w_width / 2, (long)wp->w_width) < 0
10304 || put_eol(fd) == FAIL
10305 || put_line(fd, "if s:c > 0") == FAIL
10306 || fprintf(fd,
10307 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10308 (long)wp->w_cursor.col) < 0
10309 || put_eol(fd) == FAIL
10310 || put_line(fd, "else") == FAIL
10311 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10312 || put_eol(fd) == FAIL
10313 || put_line(fd, "endif") == FAIL)
10314 return FAIL;
10315 }
10316 else
10317 {
10318 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10319 || put_eol(fd) == FAIL)
10320 return FAIL;
10321 }
10322 }
10323 }
10324
10325 /*
10326 * Local directory.
10327 */
10328 if (wp->w_localdir != NULL)
10329 {
10330 if (fputs("lcd ", fd) < 0
10331 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10332 || put_eol(fd) == FAIL)
10333 return FAIL;
10334 did_lcd = TRUE;
10335 }
10336
10337 return OK;
10338 }
10339
10340 /*
10341 * Write an argument list to the session file.
10342 * Returns FAIL if writing fails.
10343 */
10344 static int
10345 ses_arglist(fd, cmd, gap, fullname, flagp)
10346 FILE *fd;
10347 char *cmd;
10348 garray_T *gap;
10349 int fullname; /* TRUE: use full path name */
10350 unsigned *flagp;
10351 {
10352 int i;
10353 char_u buf[MAXPATHL];
10354 char_u *s;
10355
10356 if (gap->ga_len == 0)
10357 return put_line(fd, "silent! argdel *");
10358 if (fputs(cmd, fd) < 0)
10359 return FAIL;
10360 for (i = 0; i < gap->ga_len; ++i)
10361 {
10362 /* NULL file names are skipped (only happens when out of memory). */
10363 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10364 if (s != NULL)
10365 {
10366 if (fullname)
10367 {
10368 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10369 s = buf;
10370 }
10371 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10372 return FAIL;
10373 }
10374 }
10375 return put_eol(fd);
10376 }
10377
10378 /*
10379 * Write a buffer name to the session file.
10380 * Also ends the line.
10381 * Returns FAIL if writing fails.
10382 */
10383 static int
10384 ses_fname(fd, buf, flagp)
10385 FILE *fd;
10386 buf_T *buf;
10387 unsigned *flagp;
10388 {
10389 char_u *name;
10390
10391 /* Use the short file name if the current directory is known at the time
10392 * the session file will be sourced.
10393 * Don't do this for ":mkview", we don't know the current directory.
10394 * Don't do this after ":lcd", we don't keep track of what the current
10395 * directory is. */
10396 if (buf->b_sfname != NULL
10397 && flagp == &ssop_flags
10398 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10399 && !did_lcd)
10400 name = buf->b_sfname;
10401 else
10402 name = buf->b_ffname;
10403 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10404 return FAIL;
10405 return OK;
10406 }
10407
10408 /*
10409 * Write a file name to the session file.
10410 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10411 * characters.
10412 * Returns FAIL if writing fails.
10413 */
10414 static int
10415 ses_put_fname(fd, name, flagp)
10416 FILE *fd;
10417 char_u *name;
10418 unsigned *flagp;
10419 {
10420 char_u *sname;
10421 int retval = OK;
10422 int c;
10423
10424 sname = home_replace_save(NULL, name);
10425 if (sname != NULL)
10426 name = sname;
10427 while (*name != NUL)
10428 {
10429 #ifdef FEAT_MBYTE
10430 {
10431 int l;
10432
10433 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10434 {
10435 /* copy a multibyte char */
10436 while (--l >= 0)
10437 {
10438 if (putc(*name, fd) != *name)
10439 retval = FAIL;
10440 ++name;
10441 }
10442 continue;
10443 }
10444 }
10445 #endif
10446 c = *name++;
10447 if (c == '\\' && (*flagp & SSOP_SLASH))
10448 /* change a backslash to a forward slash */
10449 c = '/';
10450 else if ((vim_strchr(escape_chars, c) != NULL
10451 #ifdef BACKSLASH_IN_FILENAME
10452 && c != '\\'
10453 #endif
10454 ) || c == '#' || c == '%')
10455 {
10456 /* escape a special character with a backslash */
10457 if (putc('\\', fd) != '\\')
10458 retval = FAIL;
10459 }
10460 if (putc(c, fd) != c)
10461 retval = FAIL;
10462 }
10463 vim_free(sname);
10464 return retval;
10465 }
10466
10467 /*
10468 * ":loadview [nr]"
10469 */
10470 static void
10471 ex_loadview(eap)
10472 exarg_T *eap;
10473 {
10474 char_u *fname;
10475
10476 fname = get_view_file(*eap->arg);
10477 if (fname != NULL)
10478 {
10479 do_source(fname, FALSE, DOSO_NONE);
10480 vim_free(fname);
10481 }
10482 }
10483
10484 /*
10485 * Get the name of the view file for the current buffer.
10486 */
10487 static char_u *
10488 get_view_file(c)
10489 int c;
10490 {
10491 int len = 0;
10492 char_u *p, *s;
10493 char_u *retval;
10494 char_u *sname;
10495
10496 if (curbuf->b_ffname == NULL)
10497 {
10498 EMSG(_(e_noname));
10499 return NULL;
10500 }
10501 sname = home_replace_save(NULL, curbuf->b_ffname);
10502 if (sname == NULL)
10503 return NULL;
10504
10505 /*
10506 * We want a file name without separators, because we're not going to make
10507 * a directory.
10508 * "normal" path separator -> "=+"
10509 * "=" -> "=="
10510 * ":" path separator -> "=-"
10511 */
10512 for (p = sname; *p; ++p)
10513 if (*p == '=' || vim_ispathsep(*p))
10514 ++len;
10515 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10516 if (retval != NULL)
10517 {
10518 STRCPY(retval, p_vdir);
10519 add_pathsep(retval);
10520 s = retval + STRLEN(retval);
10521 for (p = sname; *p; ++p)
10522 {
10523 if (*p == '=')
10524 {
10525 *s++ = '=';
10526 *s++ = '=';
10527 }
10528 else if (vim_ispathsep(*p))
10529 {
10530 *s++ = '=';
10531 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10532 || defined(VMS)
10533 if (*p == ':')
10534 *s++ = '-';
10535 else
10536 #endif
10537 *s++ = '+';
10538 }
10539 else
10540 *s++ = *p;
10541 }
10542 *s++ = '=';
10543 *s++ = c;
10544 STRCPY(s, ".vim");
10545 }
10546
10547 vim_free(sname);
10548 return retval;
10549 }
10550
10551 #endif /* FEAT_SESSION */
10552
10553 /*
10554 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10555 * Return FAIL for a write error.
10556 */
10557 int
10558 put_eol(fd)
10559 FILE *fd;
10560 {
10561 if (
10562 #ifdef USE_CRNL
10563 (
10564 # ifdef MKSESSION_NL
10565 !mksession_nl &&
10566 # endif
10567 (putc('\r', fd) < 0)) ||
10568 #endif
10569 (putc('\n', fd) < 0))
10570 return FAIL;
10571 return OK;
10572 }
10573
10574 /*
10575 * Write a line to "fd".
10576 * Return FAIL for a write error.
10577 */
10578 int
10579 put_line(fd, s)
10580 FILE *fd;
10581 char *s;
10582 {
10583 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10584 return FAIL;
10585 return OK;
10586 }
10587
10588 #ifdef FEAT_VIMINFO
10589 /*
10590 * ":rviminfo" and ":wviminfo".
10591 */
10592 static void
10593 ex_viminfo(eap)
10594 exarg_T *eap;
10595 {
10596 char_u *save_viminfo;
10597
10598 save_viminfo = p_viminfo;
10599 if (*p_viminfo == NUL)
10600 p_viminfo = (char_u *)"'100";
10601 if (eap->cmdidx == CMD_rviminfo)
10602 {
10603 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10604 EMSG(_("E195: Cannot open viminfo file for reading"));
10605 }
10606 else
10607 write_viminfo(eap->arg, eap->forceit);
10608 p_viminfo = save_viminfo;
10609 }
10610 #endif
10611
10612 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10613 /*
10614 * Make a dialog message in "buff[IOSIZE]".
10615 * "format" must contain "%s".
10616 */
10617 void
10618 dialog_msg(buff, format, fname)
10619 char_u *buff;
10620 char *format;
10621 char_u *fname;
10622 {
10623 if (fname == NULL)
10624 fname = (char_u *)_("Untitled");
10625 vim_snprintf((char *)buff, IOSIZE, format, fname);
10626 }
10627 #endif
10628
10629 /*
10630 * ":behave {mswin,xterm}"
10631 */
10632 static void
10633 ex_behave(eap)
10634 exarg_T *eap;
10635 {
10636 if (STRCMP(eap->arg, "mswin") == 0)
10637 {
10638 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10639 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10640 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10641 set_option_value((char_u *)"keymodel", 0L,
10642 (char_u *)"startsel,stopsel", 0);
10643 }
10644 else if (STRCMP(eap->arg, "xterm") == 0)
10645 {
10646 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10647 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10648 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10649 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10650 }
10651 else
10652 EMSG2(_(e_invarg2), eap->arg);
10653 }
10654
10655 #ifdef FEAT_AUTOCMD
10656 static int filetype_detect = FALSE;
10657 static int filetype_plugin = FALSE;
10658 static int filetype_indent = FALSE;
10659
10660 /*
10661 * ":filetype [plugin] [indent] {on,off,detect}"
10662 * on: Load the filetype.vim file to install autocommands for file types.
10663 * off: Load the ftoff.vim file to remove all autocommands for file types.
10664 * plugin on: load filetype.vim and ftplugin.vim
10665 * plugin off: load ftplugof.vim
10666 * indent on: load filetype.vim and indent.vim
10667 * indent off: load indoff.vim
10668 */
10669 static void
10670 ex_filetype(eap)
10671 exarg_T *eap;
10672 {
10673 char_u *arg = eap->arg;
10674 int plugin = FALSE;
10675 int indent = FALSE;
10676
10677 if (*eap->arg == NUL)
10678 {
10679 /* Print current status. */
10680 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10681 filetype_detect ? "ON" : "OFF",
10682 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10683 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10684 return;
10685 }
10686
10687 /* Accept "plugin" and "indent" in any order. */
10688 for (;;)
10689 {
10690 if (STRNCMP(arg, "plugin", 6) == 0)
10691 {
10692 plugin = TRUE;
10693 arg = skipwhite(arg + 6);
10694 continue;
10695 }
10696 if (STRNCMP(arg, "indent", 6) == 0)
10697 {
10698 indent = TRUE;
10699 arg = skipwhite(arg + 6);
10700 continue;
10701 }
10702 break;
10703 }
10704 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10705 {
10706 if (*arg == 'o' || !filetype_detect)
10707 {
10708 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10709 filetype_detect = TRUE;
10710 if (plugin)
10711 {
10712 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10713 filetype_plugin = TRUE;
10714 }
10715 if (indent)
10716 {
10717 source_runtime((char_u *)INDENT_FILE, TRUE);
10718 filetype_indent = TRUE;
10719 }
10720 }
10721 if (*arg == 'd')
10722 {
10723 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10724 do_modelines(0);
10725 }
10726 }
10727 else if (STRCMP(arg, "off") == 0)
10728 {
10729 if (plugin || indent)
10730 {
10731 if (plugin)
10732 {
10733 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10734 filetype_plugin = FALSE;
10735 }
10736 if (indent)
10737 {
10738 source_runtime((char_u *)INDOFF_FILE, TRUE);
10739 filetype_indent = FALSE;
10740 }
10741 }
10742 else
10743 {
10744 source_runtime((char_u *)FTOFF_FILE, TRUE);
10745 filetype_detect = FALSE;
10746 }
10747 }
10748 else
10749 EMSG2(_(e_invarg2), arg);
10750 }
10751
10752 /*
10753 * ":setfiletype {name}"
10754 */
10755 static void
10756 ex_setfiletype(eap)
10757 exarg_T *eap;
10758 {
10759 if (!did_filetype)
10760 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10761 }
10762 #endif
10763
10764 /*ARGSUSED*/
10765 static void
10766 ex_digraphs(eap)
10767 exarg_T *eap;
10768 {
10769 #ifdef FEAT_DIGRAPHS
10770 if (*eap->arg != NUL)
10771 putdigraph(eap->arg);
10772 else
10773 listdigraphs();
10774 #else
10775 EMSG(_("E196: No digraphs in this version"));
10776 #endif
10777 }
10778
10779 static void
10780 ex_set(eap)
10781 exarg_T *eap;
10782 {
10783 int flags = 0;
10784
10785 if (eap->cmdidx == CMD_setlocal)
10786 flags = OPT_LOCAL;
10787 else if (eap->cmdidx == CMD_setglobal)
10788 flags = OPT_GLOBAL;
10789 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10790 if (cmdmod.browse && flags == 0)
10791 ex_options(eap);
10792 else
10793 #endif
10794 (void)do_set(eap->arg, flags);
10795 }
10796
10797 #ifdef FEAT_SEARCH_EXTRA
10798 /*
10799 * ":nohlsearch"
10800 */
10801 /*ARGSUSED*/
10802 static void
10803 ex_nohlsearch(eap)
10804 exarg_T *eap;
10805 {
10806 no_hlsearch = TRUE;
10807 redraw_all_later(SOME_VALID);
10808 }
10809
10810 /*
10811 * ":[N]match {group} {pattern}"
10812 * Sets nextcmd to the start of the next command, if any. Also called when
10813 * skipping commands to find the next command.
10814 */
10815 static void
10816 ex_match(eap)
10817 exarg_T *eap;
10818 {
10819 char_u *p;
10820 char_u *end;
10821 int c;
10822 int mi;
10823
10824 if (eap->line2 <= 3)
10825 mi = eap->line2 - 1;
10826 else
10827 {
10828 EMSG(e_invcmd);
10829 return;
10830 }
10831
10832 /* First clear any old pattern. */
10833 if (!eap->skip)
10834 {
10835 vim_free(curwin->w_match[mi].regprog);
10836 curwin->w_match[mi].regprog = NULL;
10837 vim_free(curwin->w_match_pat[mi]);
10838 curwin->w_match_pat[mi] = NULL;
10839 redraw_later(SOME_VALID); /* always need a redraw */
10840 }
10841
10842 if (ends_excmd(*eap->arg))
10843 end = eap->arg;
10844 else if ((STRNICMP(eap->arg, "none", 4) == 0
10845 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10846 end = eap->arg + 4;
10847 else
10848 {
10849 p = skiptowhite(eap->arg);
10850 if (!eap->skip)
10851 {
10852 curwin->w_match_id[mi] = syn_namen2id(eap->arg,
10853 (int)(p - eap->arg));
10854 if (curwin->w_match_id[mi] == 0)
10855 {
10856 EMSG2(_(e_nogroup), eap->arg);
10857 return;
10858 }
10859 }
10860 p = skipwhite(p);
10861 if (*p == NUL)
10862 {
10863 /* There must be two arguments. */
10864 EMSG2(_(e_invarg2), eap->arg);
10865 return;
10866 }
10867 end = skip_regexp(p + 1, *p, TRUE, NULL);
10868 if (!eap->skip)
10869 {
10870 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10871 {
10872 eap->errmsg = e_trailing;
10873 return;
10874 }
10875 if (*end != *p)
10876 {
10877 EMSG2(_(e_invarg2), p);
10878 return;
10879 }
10880
10881 c = *end;
10882 *end = NUL;
10883 curwin->w_match[mi].regprog = vim_regcomp(p + 1, RE_MAGIC);
10884 if (curwin->w_match[mi].regprog == NULL)
10885 {
10886 EMSG2(_(e_invarg2), p);
10887 *end = c;
10888 return;
10889 }
10890 curwin->w_match_pat[mi] = vim_strsave(p + 1);
10891 *end = c;
10892 }
10893 }
10894 eap->nextcmd = find_nextcmd(end);
10895 }
10896 #endif
10897
10898 #ifdef FEAT_CRYPT
10899 /*
10900 * ":X": Get crypt key
10901 */
10902 /*ARGSUSED*/
10903 static void
10904 ex_X(eap)
10905 exarg_T *eap;
10906 {
10907 (void)get_crypt_key(TRUE, TRUE);
10908 }
10909 #endif
10910
10911 #ifdef FEAT_FOLDING
10912 static void
10913 ex_fold(eap)
10914 exarg_T *eap;
10915 {
10916 if (foldManualAllowed(TRUE))
10917 foldCreate(eap->line1, eap->line2);
10918 }
10919
10920 static void
10921 ex_foldopen(eap)
10922 exarg_T *eap;
10923 {
10924 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10925 eap->forceit, FALSE);
10926 }
10927
10928 static void
10929 ex_folddo(eap)
10930 exarg_T *eap;
10931 {
10932 linenr_T lnum;
10933
10934 /* First set the marks for all lines closed/open. */
10935 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10936 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10937 ml_setmarked(lnum);
10938
10939 /* Execute the command on the marked lines. */
10940 global_exe(eap->arg);
10941 ml_clearmarked(); /* clear rest of the marks */
10942 }
10943 #endif