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Merged from the latest developing branch.
[MacVim.git] / src / ex_docmd.c
blobf8795fa164f605df7b76e2c9c9a3587997eb6cce
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 int uc_compl; /* completion type */
30 # ifdef FEAT_EVAL
31 scid_T uc_scriptID; /* SID where the command was defined */
32 # ifdef FEAT_CMDL_COMPL
33 char_u *uc_compl_arg; /* completion argument if any */
34 # endif
35 # endif
36 } ucmd_T;
37
38 #define UC_BUFFER 1 /* -buffer: local to current buffer */
39
40 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
41
42 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
43 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
44
45 static void do_ucmd __ARGS((exarg_T *eap));
46 static void ex_command __ARGS((exarg_T *eap));
47 static void ex_delcommand __ARGS((exarg_T *eap));
48 # ifdef FEAT_CMDL_COMPL
49 static char_u *get_user_command_name __ARGS((int idx));
50 # endif
51
52 #else
53 # define ex_command ex_ni
54 # define ex_comclear ex_ni
55 # define ex_delcommand ex_ni
56 #endif
57
58 #ifdef FEAT_EVAL
59 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
60 #else
61 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
62 static int if_level = 0; /* depth in :if */
63 #endif
64 static char_u *find_command __ARGS((exarg_T *eap, int *full));
65
66 static void ex_abbreviate __ARGS((exarg_T *eap));
67 static void ex_map __ARGS((exarg_T *eap));
68 static void ex_unmap __ARGS((exarg_T *eap));
69 static void ex_mapclear __ARGS((exarg_T *eap));
70 static void ex_abclear __ARGS((exarg_T *eap));
71 #ifndef FEAT_MENU
72 # define ex_emenu ex_ni
73 # define ex_menu ex_ni
74 # define ex_menutranslate ex_ni
75 #endif
76 #ifdef FEAT_AUTOCMD
77 static void ex_autocmd __ARGS((exarg_T *eap));
78 static void ex_doautocmd __ARGS((exarg_T *eap));
79 #else
80 # define ex_autocmd ex_ni
81 # define ex_doautocmd ex_ni
82 # define ex_doautoall ex_ni
83 #endif
84 #ifdef FEAT_LISTCMDS
85 static void ex_bunload __ARGS((exarg_T *eap));
86 static void ex_buffer __ARGS((exarg_T *eap));
87 static void ex_bmodified __ARGS((exarg_T *eap));
88 static void ex_bnext __ARGS((exarg_T *eap));
89 static void ex_bprevious __ARGS((exarg_T *eap));
90 static void ex_brewind __ARGS((exarg_T *eap));
91 static void ex_blast __ARGS((exarg_T *eap));
92 #else
93 # define ex_bunload ex_ni
94 # define ex_buffer ex_ni
95 # define ex_bmodified ex_ni
96 # define ex_bnext ex_ni
97 # define ex_bprevious ex_ni
98 # define ex_brewind ex_ni
99 # define ex_blast ex_ni
100 # define buflist_list ex_ni
101 # define ex_checktime ex_ni
102 #endif
103 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
104 # define ex_buffer_all ex_ni
105 #endif
106 static char_u *getargcmd __ARGS((char_u **));
107 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
108 static int getargopt __ARGS((exarg_T *eap));
109 #ifndef FEAT_QUICKFIX
110 # define ex_make ex_ni
111 # define ex_cbuffer ex_ni
112 # define ex_cc ex_ni
113 # define ex_cnext ex_ni
114 # define ex_cfile ex_ni
115 # define qf_list ex_ni
116 # define qf_age ex_ni
117 # define ex_helpgrep ex_ni
118 # define ex_vimgrep ex_ni
119 #endif
120 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
121 # define ex_cclose ex_ni
122 # define ex_copen ex_ni
123 # define ex_cwindow ex_ni
124 #endif
125 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
126 # define ex_cexpr ex_ni
127 #endif
128
129 static int check_more __ARGS((int, int));
130 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
131 static void get_flags __ARGS((exarg_T *eap));
132 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
133 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
134 # define HAVE_EX_SCRIPT_NI
135 static void ex_script_ni __ARGS((exarg_T *eap));
136 #endif
137 static char_u *invalid_range __ARGS((exarg_T *eap));
138 static void correct_range __ARGS((exarg_T *eap));
139 #ifdef FEAT_QUICKFIX
140 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
141 #endif
142 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
143 static void ex_highlight __ARGS((exarg_T *eap));
144 static void ex_colorscheme __ARGS((exarg_T *eap));
145 static void ex_quit __ARGS((exarg_T *eap));
146 static void ex_cquit __ARGS((exarg_T *eap));
147 static void ex_quit_all __ARGS((exarg_T *eap));
148 #ifdef FEAT_WINDOWS
149 static void ex_close __ARGS((exarg_T *eap));
150 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
151 static void ex_only __ARGS((exarg_T *eap));
152 static void ex_resize __ARGS((exarg_T *eap));
153 static void ex_stag __ARGS((exarg_T *eap));
154 static void ex_tabclose __ARGS((exarg_T *eap));
155 static void ex_tabonly __ARGS((exarg_T *eap));
156 static void ex_tabnext __ARGS((exarg_T *eap));
157 static void ex_tabmove __ARGS((exarg_T *eap));
158 static void ex_tabs __ARGS((exarg_T *eap));
159 #else
160 # define ex_close ex_ni
161 # define ex_only ex_ni
162 # define ex_all ex_ni
163 # define ex_resize ex_ni
164 # define ex_splitview ex_ni
165 # define ex_stag ex_ni
166 # define ex_tabnext ex_ni
167 # define ex_tabmove ex_ni
168 # define ex_tabs ex_ni
169 # define ex_tabclose ex_ni
170 # define ex_tabonly ex_ni
171 #endif
172 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
173 static void ex_pclose __ARGS((exarg_T *eap));
174 static void ex_ptag __ARGS((exarg_T *eap));
175 static void ex_pedit __ARGS((exarg_T *eap));
176 #else
177 # define ex_pclose ex_ni
178 # define ex_ptag ex_ni
179 # define ex_pedit ex_ni
180 #endif
181 static void ex_hide __ARGS((exarg_T *eap));
182 static void ex_stop __ARGS((exarg_T *eap));
183 static void ex_exit __ARGS((exarg_T *eap));
184 static void ex_print __ARGS((exarg_T *eap));
185 #ifdef FEAT_BYTEOFF
186 static void ex_goto __ARGS((exarg_T *eap));
187 #else
188 # define ex_goto ex_ni
189 #endif
190 static void ex_shell __ARGS((exarg_T *eap));
191 static void ex_preserve __ARGS((exarg_T *eap));
192 static void ex_recover __ARGS((exarg_T *eap));
193 #ifndef FEAT_LISTCMDS
194 # define ex_argedit ex_ni
195 # define ex_argadd ex_ni
196 # define ex_argdelete ex_ni
197 # define ex_listdo ex_ni
198 #endif
199 static void ex_mode __ARGS((exarg_T *eap));
200 static void ex_wrongmodifier __ARGS((exarg_T *eap));
201 static void ex_find __ARGS((exarg_T *eap));
202 static void ex_open __ARGS((exarg_T *eap));
203 static void ex_edit __ARGS((exarg_T *eap));
204 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
205 # define ex_drop ex_ni
206 #endif
207 #ifndef FEAT_GUI
208 # define ex_gui ex_nogui
209 static void ex_nogui __ARGS((exarg_T *eap));
210 #endif
211 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
212 static void ex_tearoff __ARGS((exarg_T *eap));
213 #else
214 # define ex_tearoff ex_ni
215 #endif
216 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
217 static void ex_popup __ARGS((exarg_T *eap));
218 #else
219 # define ex_popup ex_ni
220 #endif
221 #ifndef FEAT_GUI_MSWIN
222 # define ex_simalt ex_ni
223 #endif
224 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
225 # define gui_mch_find_dialog ex_ni
226 # define gui_mch_replace_dialog ex_ni
227 #endif
228 #if !defined(FEAT_GUI_GTK)
229 # define ex_helpfind ex_ni
230 #endif
231 #ifndef FEAT_CSCOPE
232 # define do_cscope ex_ni
233 # define do_scscope ex_ni
234 # define do_cstag ex_ni
235 #endif
236 #ifndef FEAT_SYN_HL
237 # define ex_syntax ex_ni
238 #endif
239 #ifndef FEAT_SPELL
240 # define ex_spell ex_ni
241 # define ex_mkspell ex_ni
242 # define ex_spelldump ex_ni
243 # define ex_spellinfo ex_ni
244 # define ex_spellrepall ex_ni
245 #endif
246 #ifndef FEAT_MZSCHEME
247 # define ex_mzscheme ex_script_ni
248 # define ex_mzfile ex_ni
249 #endif
250 #ifndef FEAT_PERL
251 # define ex_perl ex_script_ni
252 # define ex_perldo ex_ni
253 #endif
254 #ifndef FEAT_PYTHON
255 # define ex_python ex_script_ni
256 # define ex_pyfile ex_ni
257 #endif
258 #ifndef FEAT_TCL
259 # define ex_tcl ex_script_ni
260 # define ex_tcldo ex_ni
261 # define ex_tclfile ex_ni
262 #endif
263 #ifndef FEAT_RUBY
264 # define ex_ruby ex_script_ni
265 # define ex_rubydo ex_ni
266 # define ex_rubyfile ex_ni
267 #endif
268 #ifndef FEAT_SNIFF
269 # define ex_sniff ex_ni
270 #endif
271 #ifndef FEAT_KEYMAP
272 # define ex_loadkeymap ex_ni
273 #endif
274 static void ex_swapname __ARGS((exarg_T *eap));
275 static void ex_syncbind __ARGS((exarg_T *eap));
276 static void ex_read __ARGS((exarg_T *eap));
277 static void ex_pwd __ARGS((exarg_T *eap));
278 static void ex_equal __ARGS((exarg_T *eap));
279 static void ex_sleep __ARGS((exarg_T *eap));
280 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
281 static void ex_winsize __ARGS((exarg_T *eap));
282 #ifdef FEAT_WINDOWS
283 static void ex_wincmd __ARGS((exarg_T *eap));
284 #else
285 # define ex_wincmd ex_ni
286 #endif
287 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
288 static void ex_winpos __ARGS((exarg_T *eap));
289 #else
290 # define ex_winpos ex_ni
291 #endif
292 static void ex_operators __ARGS((exarg_T *eap));
293 static void ex_put __ARGS((exarg_T *eap));
294 static void ex_copymove __ARGS((exarg_T *eap));
295 static void ex_may_print __ARGS((exarg_T *eap));
296 static void ex_submagic __ARGS((exarg_T *eap));
297 static void ex_join __ARGS((exarg_T *eap));
298 static void ex_at __ARGS((exarg_T *eap));
299 static void ex_bang __ARGS((exarg_T *eap));
300 static void ex_undo __ARGS((exarg_T *eap));
301 static void ex_redo __ARGS((exarg_T *eap));
302 static void ex_later __ARGS((exarg_T *eap));
303 static void ex_redir __ARGS((exarg_T *eap));
304 static void ex_redraw __ARGS((exarg_T *eap));
305 static void ex_redrawstatus __ARGS((exarg_T *eap));
306 static void close_redir __ARGS((void));
307 static void ex_mkrc __ARGS((exarg_T *eap));
308 static void ex_mark __ARGS((exarg_T *eap));
309 #ifdef FEAT_USR_CMDS
310 static char_u *uc_fun_cmd __ARGS((void));
311 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
312 #endif
313 #ifdef FEAT_EX_EXTRA
314 static void ex_normal __ARGS((exarg_T *eap));
315 static void ex_startinsert __ARGS((exarg_T *eap));
316 static void ex_stopinsert __ARGS((exarg_T *eap));
317 #else
318 # define ex_normal ex_ni
319 # define ex_align ex_ni
320 # define ex_retab ex_ni
321 # define ex_startinsert ex_ni
322 # define ex_stopinsert ex_ni
323 # define ex_helptags ex_ni
324 # define ex_sort ex_ni
325 #endif
326 #ifdef FEAT_FIND_ID
327 static void ex_checkpath __ARGS((exarg_T *eap));
328 static void ex_findpat __ARGS((exarg_T *eap));
329 #else
330 # define ex_findpat ex_ni
331 # define ex_checkpath ex_ni
332 #endif
333 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
334 static void ex_psearch __ARGS((exarg_T *eap));
335 #else
336 # define ex_psearch ex_ni
337 #endif
338 static void ex_tag __ARGS((exarg_T *eap));
339 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
340 #ifndef FEAT_EVAL
341 # define ex_scriptnames ex_ni
342 # define ex_finish ex_ni
343 # define ex_echo ex_ni
344 # define ex_echohl ex_ni
345 # define ex_execute ex_ni
346 # define ex_call ex_ni
347 # define ex_if ex_ni
348 # define ex_endif ex_ni
349 # define ex_else ex_ni
350 # define ex_while ex_ni
351 # define ex_for ex_ni
352 # define ex_continue ex_ni
353 # define ex_break ex_ni
354 # define ex_endwhile ex_ni
355 # define ex_endfor ex_ni
356 # define ex_throw ex_ni
357 # define ex_try ex_ni
358 # define ex_catch ex_ni
359 # define ex_finally ex_ni
360 # define ex_endtry ex_ni
361 # define ex_endfunction ex_ni
362 # define ex_let ex_ni
363 # define ex_unlet ex_ni
364 # define ex_lockvar ex_ni
365 # define ex_unlockvar ex_ni
366 # define ex_function ex_ni
367 # define ex_delfunction ex_ni
368 # define ex_return ex_ni
369 # define ex_oldfiles ex_ni
370 #endif
371 static char_u *arg_all __ARGS((void));
372 #ifdef FEAT_SESSION
373 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
374 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
375 static void ex_loadview __ARGS((exarg_T *eap));
376 static char_u *get_view_file __ARGS((int c));
377 static int did_lcd; /* whether ":lcd" was produced for a session */
378 #else
379 # define ex_loadview ex_ni
380 #endif
381 #ifndef FEAT_EVAL
382 # define ex_compiler ex_ni
383 #endif
384 #ifdef FEAT_VIMINFO
385 static void ex_viminfo __ARGS((exarg_T *eap));
386 #else
387 # define ex_viminfo ex_ni
388 #endif
389 static void ex_behave __ARGS((exarg_T *eap));
390 #ifdef FEAT_AUTOCMD
391 static void ex_filetype __ARGS((exarg_T *eap));
392 static void ex_setfiletype __ARGS((exarg_T *eap));
393 #else
394 # define ex_filetype ex_ni
395 # define ex_setfiletype ex_ni
396 #endif
397 #ifndef FEAT_DIFF
398 # define ex_diffoff ex_ni
399 # define ex_diffpatch ex_ni
400 # define ex_diffgetput ex_ni
401 # define ex_diffsplit ex_ni
402 # define ex_diffthis ex_ni
403 # define ex_diffupdate ex_ni
404 #endif
405 static void ex_digraphs __ARGS((exarg_T *eap));
406 static void ex_set __ARGS((exarg_T *eap));
407 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
408 # define ex_options ex_ni
409 #endif
410 #ifdef FEAT_SEARCH_EXTRA
411 static void ex_nohlsearch __ARGS((exarg_T *eap));
412 static void ex_match __ARGS((exarg_T *eap));
413 #else
414 # define ex_nohlsearch ex_ni
415 # define ex_match ex_ni
416 #endif
417 #ifdef FEAT_CRYPT
418 static void ex_X __ARGS((exarg_T *eap));
419 #else
420 # define ex_X ex_ni
421 #endif
422 #ifdef FEAT_FOLDING
423 static void ex_fold __ARGS((exarg_T *eap));
424 static void ex_foldopen __ARGS((exarg_T *eap));
425 static void ex_folddo __ARGS((exarg_T *eap));
426 #else
427 # define ex_fold ex_ni
428 # define ex_foldopen ex_ni
429 # define ex_folddo ex_ni
430 #endif
431 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
432 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
433 # define ex_language ex_ni
434 #endif
435 #ifndef FEAT_SIGNS
436 # define ex_sign ex_ni
437 #endif
438 #ifndef FEAT_SUN_WORKSHOP
439 # define ex_wsverb ex_ni
440 #endif
441 #ifndef FEAT_NETBEANS_INTG
442 # define ex_nbkey ex_ni
443 #endif
444
445 #ifndef FEAT_EVAL
446 # define ex_debug ex_ni
447 # define ex_breakadd ex_ni
448 # define ex_debuggreedy ex_ni
449 # define ex_breakdel ex_ni
450 # define ex_breaklist ex_ni
451 #endif
452
453 #ifndef FEAT_CMDHIST
454 # define ex_history ex_ni
455 #endif
456 #ifndef FEAT_JUMPLIST
457 # define ex_jumps ex_ni
458 # define ex_changes ex_ni
459 #endif
460
461 #ifndef FEAT_PROFILE
462 # define ex_profile ex_ni
463 #endif
464
465 /*
466 * Declare cmdnames[].
467 */
468 #define DO_DECLARE_EXCMD
469 #include "ex_cmds.h"
470
471 /*
472 * Table used to quickly search for a command, based on its first character.
473 */
474 static cmdidx_T cmdidxs[27] =
475 {
476 CMD_append,
477 CMD_buffer,
478 CMD_change,
479 CMD_delete,
480 CMD_edit,
481 CMD_file,
482 CMD_global,
483 CMD_help,
484 CMD_insert,
485 CMD_join,
486 CMD_k,
487 CMD_list,
488 CMD_move,
489 CMD_next,
490 CMD_open,
491 CMD_print,
492 CMD_quit,
493 CMD_read,
494 CMD_substitute,
495 CMD_t,
496 CMD_undo,
497 CMD_vglobal,
498 CMD_write,
499 CMD_xit,
500 CMD_yank,
501 CMD_z,
502 CMD_bang
503 };
504
505 static char_u dollar_command[2] = {'$', 0};
506
507
508 #ifdef FEAT_EVAL
509 /* Struct for storing a line inside a while/for loop */
510 typedef struct
511 {
512 char_u *line; /* command line */
513 linenr_T lnum; /* sourcing_lnum of the line */
514 } wcmd_T;
515
516 /*
517 * Structure used to store info for line position in a while or for loop.
518 * This is required, because do_one_cmd() may invoke ex_function(), which
519 * reads more lines that may come from the while/for loop.
520 */
521 struct loop_cookie
522 {
523 garray_T *lines_gap; /* growarray with line info */
524 int current_line; /* last read line from growarray */
525 int repeating; /* TRUE when looping a second time */
526 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
527 char_u *(*getline) __ARGS((int, void *, int));
528 void *cookie;
529 };
530
531 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
532 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
533 static void free_cmdlines __ARGS((garray_T *gap));
534
535 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
536 struct dbg_stuff
537 {
538 int trylevel;
539 int force_abort;
540 except_T *caught_stack;
541 char_u *vv_exception;
542 char_u *vv_throwpoint;
543 int did_emsg;
544 int got_int;
545 int did_throw;
546 int need_rethrow;
547 int check_cstack;
548 except_T *current_exception;
549 };
550
551 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
552 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
553
554 static void
555 save_dbg_stuff(dsp)
556 struct dbg_stuff *dsp;
557 {
558 dsp->trylevel = trylevel; trylevel = 0;
559 dsp->force_abort = force_abort; force_abort = FALSE;
560 dsp->caught_stack = caught_stack; caught_stack = NULL;
561 dsp->vv_exception = v_exception(NULL);
562 dsp->vv_throwpoint = v_throwpoint(NULL);
563
564 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
565 dsp->did_emsg = did_emsg; did_emsg = FALSE;
566 dsp->got_int = got_int; got_int = FALSE;
567 dsp->did_throw = did_throw; did_throw = FALSE;
568 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
569 dsp->check_cstack = check_cstack; check_cstack = FALSE;
570 dsp->current_exception = current_exception; current_exception = NULL;
571 }
572
573 static void
574 restore_dbg_stuff(dsp)
575 struct dbg_stuff *dsp;
576 {
577 suppress_errthrow = FALSE;
578 trylevel = dsp->trylevel;
579 force_abort = dsp->force_abort;
580 caught_stack = dsp->caught_stack;
581 (void)v_exception(dsp->vv_exception);
582 (void)v_throwpoint(dsp->vv_throwpoint);
583 did_emsg = dsp->did_emsg;
584 got_int = dsp->got_int;
585 did_throw = dsp->did_throw;
586 need_rethrow = dsp->need_rethrow;
587 check_cstack = dsp->check_cstack;
588 current_exception = dsp->current_exception;
589 }
590 #endif
591
592
593 /*
594 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
595 * command is given.
596 */
597 void
598 do_exmode(improved)
599 int improved; /* TRUE for "improved Ex" mode */
600 {
601 int save_msg_scroll;
602 int prev_msg_row;
603 linenr_T prev_line;
604 int changedtick;
605
606 if (improved)
607 exmode_active = EXMODE_VIM;
608 else
609 exmode_active = EXMODE_NORMAL;
610 State = NORMAL;
611
612 /* When using ":global /pat/ visual" and then "Q" we return to continue
613 * the :global command. */
614 if (global_busy)
615 return;
616
617 save_msg_scroll = msg_scroll;
618 ++RedrawingDisabled; /* don't redisplay the window */
619 ++no_wait_return; /* don't wait for return */
620 #ifdef FEAT_GUI
621 /* Ignore scrollbar and mouse events in Ex mode */
622 ++hold_gui_events;
623 #endif
624 #ifdef FEAT_SNIFF
625 want_sniff_request = 0; /* No K_SNIFF wanted */
626 #endif
627
628 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
629 while (exmode_active)
630 {
631 #ifdef FEAT_EX_EXTRA
632 /* Check for a ":normal" command and no more characters left. */
633 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
634 {
635 exmode_active = FALSE;
636 break;
637 }
638 #endif
639 msg_scroll = TRUE;
640 need_wait_return = FALSE;
641 ex_pressedreturn = FALSE;
642 ex_no_reprint = FALSE;
643 changedtick = curbuf->b_changedtick;
644 prev_msg_row = msg_row;
645 prev_line = curwin->w_cursor.lnum;
646 #ifdef FEAT_SNIFF
647 ProcessSniffRequests();
648 #endif
649 if (improved)
650 {
651 cmdline_row = msg_row;
652 do_cmdline(NULL, getexline, NULL, 0);
653 }
654 else
655 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
656 lines_left = Rows - 1;
657
658 if ((prev_line != curwin->w_cursor.lnum
659 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
660 {
661 if (curbuf->b_ml.ml_flags & ML_EMPTY)
662 EMSG(_(e_emptybuf));
663 else
664 {
665 if (ex_pressedreturn)
666 {
667 /* go up one line, to overwrite the ":<CR>" line, so the
668 * output doesn't contain empty lines. */
669 msg_row = prev_msg_row;
670 if (prev_msg_row == Rows - 1)
671 msg_row--;
672 }
673 msg_col = 0;
674 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
675 msg_clr_eos();
676 }
677 }
678 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
679 {
680 if (curbuf->b_ml.ml_flags & ML_EMPTY)
681 EMSG(_(e_emptybuf));
682 else
683 EMSG(_("E501: At end-of-file"));
684 }
685 }
686
687 #ifdef FEAT_GUI
688 --hold_gui_events;
689 #endif
690 --RedrawingDisabled;
691 --no_wait_return;
692 update_screen(CLEAR);
693 need_wait_return = FALSE;
694 msg_scroll = save_msg_scroll;
695 }
696
697 /*
698 * Execute a simple command line. Used for translated commands like "*".
699 */
700 int
701 do_cmdline_cmd(cmd)
702 char_u *cmd;
703 {
704 return do_cmdline(cmd, NULL, NULL,
705 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
706 }
707
708 /*
709 * do_cmdline(): execute one Ex command line
710 *
711 * 1. Execute "cmdline" when it is not NULL.
712 * If "cmdline" is NULL, or more lines are needed, getline() is used.
713 * 2. Split up in parts separated with '|'.
714 *
715 * This function can be called recursively!
716 *
717 * flags:
718 * DOCMD_VERBOSE - The command will be included in the error message.
719 * DOCMD_NOWAIT - Don't call wait_return() and friends.
720 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
721 * DOCMD_KEYTYPED - Don't reset KeyTyped.
722 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
723 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
724 *
725 * return FAIL if cmdline could not be executed, OK otherwise
726 */
727 int
728 do_cmdline(cmdline, getline, cookie, flags)
729 char_u *cmdline;
730 char_u *(*getline) __ARGS((int, void *, int));
731 void *cookie; /* argument for getline() */
732 int flags;
733 {
734 char_u *next_cmdline; /* next cmd to execute */
735 char_u *cmdline_copy = NULL; /* copy of cmd line */
736 int used_getline = FALSE; /* used "getline" to obtain command */
737 static int recursive = 0; /* recursive depth */
738 int msg_didout_before_start = 0;
739 int count = 0; /* line number count */
740 int did_inc = FALSE; /* incremented RedrawingDisabled */
741 int retval = OK;
742 #ifdef FEAT_EVAL
743 struct condstack cstack; /* conditional stack */
744 garray_T lines_ga; /* keep lines for ":while"/":for" */
745 int current_line = 0; /* active line in lines_ga */
746 char_u *fname = NULL; /* function or script name */
747 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
748 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
749 struct dbg_stuff debug_saved; /* saved things for debug mode */
750 int initial_trylevel;
751 struct msglist **saved_msg_list = NULL;
752 struct msglist *private_msg_list;
753
754 /* "getline" and "cookie" passed to do_one_cmd() */
755 char_u *(*cmd_getline) __ARGS((int, void *, int));
756 void *cmd_cookie;
757 struct loop_cookie cmd_loop_cookie;
758 void *real_cookie;
759 int getline_is_func;
760 #else
761 # define cmd_getline getline
762 # define cmd_cookie cookie
763 #endif
764 static int call_depth = 0; /* recursiveness */
765
766 #ifdef FEAT_EVAL
767 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
768 * location for storing error messages to be converted to an exception.
769 * This ensures that the do_errthrow() call in do_one_cmd() does not
770 * combine the messages stored by an earlier invocation of do_one_cmd()
771 * with the command name of the later one. This would happen when
772 * BufWritePost autocommands are executed after a write error. */
773 saved_msg_list = msg_list;
774 msg_list = &private_msg_list;
775 private_msg_list = NULL;
776 #endif
777
778 /* It's possible to create an endless loop with ":execute", catch that
779 * here. The value of 200 allows nested function calls, ":source", etc. */
780 if (call_depth == 200)
781 {
782 EMSG(_("E169: Command too recursive"));
783 #ifdef FEAT_EVAL
784 /* When converting to an exception, we do not include the command name
785 * since this is not an error of the specific command. */
786 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
787 msg_list = saved_msg_list;
788 #endif
789 return FAIL;
790 }
791 ++call_depth;
792
793 #ifdef FEAT_EVAL
794 cstack.cs_idx = -1;
795 cstack.cs_looplevel = 0;
796 cstack.cs_trylevel = 0;
797 cstack.cs_emsg_silent_list = NULL;
798 cstack.cs_lflags = 0;
799 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
800
801 real_cookie = getline_cookie(getline, cookie);
802
803 /* Inside a function use a higher nesting level. */
804 getline_is_func = getline_equal(getline, cookie, get_func_line);
805 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
806 ++ex_nesting_level;
807
808 /* Get the function or script name and the address where the next breakpoint
809 * line and the debug tick for a function or script are stored. */
810 if (getline_is_func)
811 {
812 fname = func_name(real_cookie);
813 breakpoint = func_breakpoint(real_cookie);
814 dbg_tick = func_dbg_tick(real_cookie);
815 }
816 else if (getline_equal(getline, cookie, getsourceline))
817 {
818 fname = sourcing_name;
819 breakpoint = source_breakpoint(real_cookie);
820 dbg_tick = source_dbg_tick(real_cookie);
821 }
822
823 /*
824 * Initialize "force_abort" and "suppress_errthrow" at the top level.
825 */
826 if (!recursive)
827 {
828 force_abort = FALSE;
829 suppress_errthrow = FALSE;
830 }
831
832 /*
833 * If requested, store and reset the global values controlling the
834 * exception handling (used when debugging). Otherwise clear it to avoid
835 * a bogus compiler warning when the optimizer uses inline functions...
836 */
837 if (flags & DOCMD_EXCRESET)
838 save_dbg_stuff(&debug_saved);
839 else
840 memset(&debug_saved, 0, 1);
841
842 initial_trylevel = trylevel;
843
844 /*
845 * "did_throw" will be set to TRUE when an exception is being thrown.
846 */
847 did_throw = FALSE;
848 #endif
849 /*
850 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
851 * cancel the whole command line, and any if/endif or loop.
852 * If force_abort is set, we cancel everything.
853 */
854 did_emsg = FALSE;
855
856 /*
857 * KeyTyped is only set when calling vgetc(). Reset it here when not
858 * calling vgetc() (sourced command lines).
859 */
860 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
861 KeyTyped = FALSE;
862
863 /*
864 * Continue executing command lines:
865 * - when inside an ":if", ":while" or ":for"
866 * - for multiple commands on one line, separated with '|'
867 * - when repeating until there are no more lines (for ":source")
868 */
869 next_cmdline = cmdline;
870 do
871 {
872 #ifdef FEAT_EVAL
873 getline_is_func = getline_equal(getline, cookie, get_func_line);
874 #endif
875
876 /* stop skipping cmds for an error msg after all endif/while/for */
877 if (next_cmdline == NULL
878 #ifdef FEAT_EVAL
879 && !force_abort
880 && cstack.cs_idx < 0
881 && !(getline_is_func && func_has_abort(real_cookie))
882 #endif
883 )
884 did_emsg = FALSE;
885
886 /*
887 * 1. If repeating a line in a loop, get a line from lines_ga.
888 * 2. If no line given: Get an allocated line with getline().
889 * 3. If a line is given: Make a copy, so we can mess with it.
890 */
891
892 #ifdef FEAT_EVAL
893 /* 1. If repeating, get a previous line from lines_ga. */
894 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
895 {
896 /* Each '|' separated command is stored separately in lines_ga, to
897 * be able to jump to it. Don't use next_cmdline now. */
898 vim_free(cmdline_copy);
899 cmdline_copy = NULL;
900
901 /* Check if a function has returned or, unless it has an unclosed
902 * try conditional, aborted. */
903 if (getline_is_func)
904 {
905 # ifdef FEAT_PROFILE
906 if (do_profiling == PROF_YES)
907 func_line_end(real_cookie);
908 # endif
909 if (func_has_ended(real_cookie))
910 {
911 retval = FAIL;
912 break;
913 }
914 }
915 #ifdef FEAT_PROFILE
916 else if (do_profiling == PROF_YES
917 && getline_equal(getline, cookie, getsourceline))
918 script_line_end();
919 #endif
920
921 /* Check if a sourced file hit a ":finish" command. */
922 if (source_finished(getline, cookie))
923 {
924 retval = FAIL;
925 break;
926 }
927
928 /* If breakpoints have been added/deleted need to check for it. */
929 if (breakpoint != NULL && dbg_tick != NULL
930 && *dbg_tick != debug_tick)
931 {
932 *breakpoint = dbg_find_breakpoint(
933 getline_equal(getline, cookie, getsourceline),
934 fname, sourcing_lnum);
935 *dbg_tick = debug_tick;
936 }
937
938 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
939 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
940
941 /* Did we encounter a breakpoint? */
942 if (breakpoint != NULL && *breakpoint != 0
943 && *breakpoint <= sourcing_lnum)
944 {
945 dbg_breakpoint(fname, sourcing_lnum);
946 /* Find next breakpoint. */
947 *breakpoint = dbg_find_breakpoint(
948 getline_equal(getline, cookie, getsourceline),
949 fname, sourcing_lnum);
950 *dbg_tick = debug_tick;
951 }
952 # ifdef FEAT_PROFILE
953 if (do_profiling == PROF_YES)
954 {
955 if (getline_is_func)
956 func_line_start(real_cookie);
957 else if (getline_equal(getline, cookie, getsourceline))
958 script_line_start();
959 }
960 # endif
961 }
962
963 if (cstack.cs_looplevel > 0)
964 {
965 /* Inside a while/for loop we need to store the lines and use them
966 * again. Pass a different "getline" function to do_one_cmd()
967 * below, so that it stores lines in or reads them from
968 * "lines_ga". Makes it possible to define a function inside a
969 * while/for loop. */
970 cmd_getline = get_loop_line;
971 cmd_cookie = (void *)&cmd_loop_cookie;
972 cmd_loop_cookie.lines_gap = &lines_ga;
973 cmd_loop_cookie.current_line = current_line;
974 cmd_loop_cookie.getline = getline;
975 cmd_loop_cookie.cookie = cookie;
976 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
977 }
978 else
979 {
980 cmd_getline = getline;
981 cmd_cookie = cookie;
982 }
983 #endif
984
985 /* 2. If no line given, get an allocated line with getline(). */
986 if (next_cmdline == NULL)
987 {
988 /*
989 * Need to set msg_didout for the first line after an ":if",
990 * otherwise the ":if" will be overwritten.
991 */
992 if (count == 1 && getline_equal(getline, cookie, getexline))
993 msg_didout = TRUE;
994 if (getline == NULL || (next_cmdline = getline(':', cookie,
995 #ifdef FEAT_EVAL
996 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
997 #else
998 0
999 #endif
1000 )) == NULL)
1001 {
1002 /* Don't call wait_return for aborted command line. The NULL
1003 * returned for the end of a sourced file or executed function
1004 * doesn't do this. */
1005 if (KeyTyped && !(flags & DOCMD_REPEAT))
1006 need_wait_return = FALSE;
1007 retval = FAIL;
1008 break;
1009 }
1010 used_getline = TRUE;
1011
1012 /*
1013 * Keep the first typed line. Clear it when more lines are typed.
1014 */
1015 if (flags & DOCMD_KEEPLINE)
1016 {
1017 vim_free(repeat_cmdline);
1018 if (count == 0)
1019 repeat_cmdline = vim_strsave(next_cmdline);
1020 else
1021 repeat_cmdline = NULL;
1022 }
1023 }
1024
1025 /* 3. Make a copy of the command so we can mess with it. */
1026 else if (cmdline_copy == NULL)
1027 {
1028 next_cmdline = vim_strsave(next_cmdline);
1029 if (next_cmdline == NULL)
1030 {
1031 EMSG(_(e_outofmem));
1032 retval = FAIL;
1033 break;
1034 }
1035 }
1036 cmdline_copy = next_cmdline;
1037
1038 #ifdef FEAT_EVAL
1039 /*
1040 * Save the current line when inside a ":while" or ":for", and when
1041 * the command looks like a ":while" or ":for", because we may need it
1042 * later. When there is a '|' and another command, it is stored
1043 * separately, because we need to be able to jump back to it from an
1044 * :endwhile/:endfor.
1045 */
1046 if (current_line == lines_ga.ga_len
1047 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1048 {
1049 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1050 {
1051 retval = FAIL;
1052 break;
1053 }
1054 }
1055 did_endif = FALSE;
1056 #endif
1057
1058 if (count++ == 0)
1059 {
1060 /*
1061 * All output from the commands is put below each other, without
1062 * waiting for a return. Don't do this when executing commands
1063 * from a script or when being called recursive (e.g. for ":e
1064 * +command file").
1065 */
1066 if (!(flags & DOCMD_NOWAIT) && !recursive)
1067 {
1068 msg_didout_before_start = msg_didout;
1069 msg_didany = FALSE; /* no output yet */
1070 msg_start();
1071 msg_scroll = TRUE; /* put messages below each other */
1072 ++no_wait_return; /* dont wait for return until finished */
1073 ++RedrawingDisabled;
1074 did_inc = TRUE;
1075 }
1076 }
1077
1078 if (p_verbose >= 15 && sourcing_name != NULL)
1079 {
1080 ++no_wait_return;
1081 verbose_enter_scroll();
1082
1083 smsg((char_u *)_("line %ld: %s"),
1084 (long)sourcing_lnum, cmdline_copy);
1085 if (msg_silent == 0)
1086 msg_puts((char_u *)"\n"); /* don't overwrite this */
1087
1088 verbose_leave_scroll();
1089 --no_wait_return;
1090 }
1091
1092 /*
1093 * 2. Execute one '|' separated command.
1094 * do_one_cmd() will return NULL if there is no trailing '|'.
1095 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1096 */
1097 ++recursive;
1098 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1099 #ifdef FEAT_EVAL
1100 &cstack,
1101 #endif
1102 cmd_getline, cmd_cookie);
1103 --recursive;
1104
1105 #ifdef FEAT_EVAL
1106 if (cmd_cookie == (void *)&cmd_loop_cookie)
1107 /* Use "current_line" from "cmd_loop_cookie", it may have been
1108 * incremented when defining a function. */
1109 current_line = cmd_loop_cookie.current_line;
1110 #endif
1111
1112 if (next_cmdline == NULL)
1113 {
1114 vim_free(cmdline_copy);
1115 cmdline_copy = NULL;
1116 #ifdef FEAT_CMDHIST
1117 /*
1118 * If the command was typed, remember it for the ':' register.
1119 * Do this AFTER executing the command to make :@: work.
1120 */
1121 if (getline_equal(getline, cookie, getexline)
1122 && new_last_cmdline != NULL)
1123 {
1124 vim_free(last_cmdline);
1125 last_cmdline = new_last_cmdline;
1126 new_last_cmdline = NULL;
1127 }
1128 #endif
1129 }
1130 else
1131 {
1132 /* need to copy the command after the '|' to cmdline_copy, for the
1133 * next do_one_cmd() */
1134 STRMOVE(cmdline_copy, next_cmdline);
1135 next_cmdline = cmdline_copy;
1136 }
1137
1138
1139 #ifdef FEAT_EVAL
1140 /* reset did_emsg for a function that is not aborted by an error */
1141 if (did_emsg && !force_abort
1142 && getline_equal(getline, cookie, get_func_line)
1143 && !func_has_abort(real_cookie))
1144 did_emsg = FALSE;
1145
1146 if (cstack.cs_looplevel > 0)
1147 {
1148 ++current_line;
1149
1150 /*
1151 * An ":endwhile", ":endfor" and ":continue" is handled here.
1152 * If we were executing commands, jump back to the ":while" or
1153 * ":for".
1154 * If we were not executing commands, decrement cs_looplevel.
1155 */
1156 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1157 {
1158 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1159
1160 /* Jump back to the matching ":while" or ":for". Be careful
1161 * not to use a cs_line[] from an entry that isn't a ":while"
1162 * or ":for": It would make "current_line" invalid and can
1163 * cause a crash. */
1164 if (!did_emsg && !got_int && !did_throw
1165 && cstack.cs_idx >= 0
1166 && (cstack.cs_flags[cstack.cs_idx]
1167 & (CSF_WHILE | CSF_FOR))
1168 && cstack.cs_line[cstack.cs_idx] >= 0
1169 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1170 {
1171 current_line = cstack.cs_line[cstack.cs_idx];
1172 /* remember we jumped there */
1173 cstack.cs_lflags |= CSL_HAD_LOOP;
1174 line_breakcheck(); /* check if CTRL-C typed */
1175
1176 /* Check for the next breakpoint at or after the ":while"
1177 * or ":for". */
1178 if (breakpoint != NULL)
1179 {
1180 *breakpoint = dbg_find_breakpoint(
1181 getline_equal(getline, cookie, getsourceline),
1182 fname,
1183 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1184 *dbg_tick = debug_tick;
1185 }
1186 }
1187 else
1188 {
1189 /* can only get here with ":endwhile" or ":endfor" */
1190 if (cstack.cs_idx >= 0)
1191 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1192 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1193 }
1194 }
1195
1196 /*
1197 * For a ":while" or ":for" we need to remember the line number.
1198 */
1199 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1200 {
1201 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1202 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1203 }
1204 }
1205
1206 /*
1207 * When not inside any ":while" loop, clear remembered lines.
1208 */
1209 if (cstack.cs_looplevel == 0)
1210 {
1211 if (lines_ga.ga_len > 0)
1212 {
1213 sourcing_lnum =
1214 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1215 free_cmdlines(&lines_ga);
1216 }
1217 current_line = 0;
1218 }
1219
1220 /*
1221 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1222 * being restored at the ":endtry". Reset them here and set the
1223 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1224 * This includes the case where a missing ":endif", ":endwhile" or
1225 * ":endfor" was detected by the ":finally" itself.
1226 */
1227 if (cstack.cs_lflags & CSL_HAD_FINA)
1228 {
1229 cstack.cs_lflags &= ~CSL_HAD_FINA;
1230 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1231 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1232 did_throw ? (void *)current_exception : NULL);
1233 did_emsg = got_int = did_throw = FALSE;
1234 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1235 }
1236
1237 /* Update global "trylevel" for recursive calls to do_cmdline() from
1238 * within this loop. */
1239 trylevel = initial_trylevel + cstack.cs_trylevel;
1240
1241 /*
1242 * If the outermost try conditional (across function calls and sourced
1243 * files) is aborted because of an error, an interrupt, or an uncaught
1244 * exception, cancel everything. If it is left normally, reset
1245 * force_abort to get the non-EH compatible abortion behavior for
1246 * the rest of the script.
1247 */
1248 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1249 force_abort = FALSE;
1250
1251 /* Convert an interrupt to an exception if appropriate. */
1252 (void)do_intthrow(&cstack);
1253 #endif /* FEAT_EVAL */
1254
1255 }
1256 /*
1257 * Continue executing command lines when:
1258 * - no CTRL-C typed, no aborting error, no exception thrown or try
1259 * conditionals need to be checked for executing finally clauses or
1260 * catching an interrupt exception
1261 * - didn't get an error message or lines are not typed
1262 * - there is a command after '|', inside a :if, :while, :for or :try, or
1263 * looping for ":source" command or function call.
1264 */
1265 while (!((got_int
1266 #ifdef FEAT_EVAL
1267 || (did_emsg && force_abort) || did_throw
1268 #endif
1269 )
1270 #ifdef FEAT_EVAL
1271 && cstack.cs_trylevel == 0
1272 #endif
1273 )
1274 && !(did_emsg && used_getline
1275 && (getline_equal(getline, cookie, getexmodeline)
1276 || getline_equal(getline, cookie, getexline)))
1277 && (next_cmdline != NULL
1278 #ifdef FEAT_EVAL
1279 || cstack.cs_idx >= 0
1280 #endif
1281 || (flags & DOCMD_REPEAT)));
1282
1283 vim_free(cmdline_copy);
1284 #ifdef FEAT_EVAL
1285 free_cmdlines(&lines_ga);
1286 ga_clear(&lines_ga);
1287
1288 if (cstack.cs_idx >= 0)
1289 {
1290 /*
1291 * If a sourced file or executed function ran to its end, report the
1292 * unclosed conditional.
1293 */
1294 if (!got_int && !did_throw
1295 && ((getline_equal(getline, cookie, getsourceline)
1296 && !source_finished(getline, cookie))
1297 || (getline_equal(getline, cookie, get_func_line)
1298 && !func_has_ended(real_cookie))))
1299 {
1300 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1301 EMSG(_(e_endtry));
1302 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1303 EMSG(_(e_endwhile));
1304 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1305 EMSG(_(e_endfor));
1306 else
1307 EMSG(_(e_endif));
1308 }
1309
1310 /*
1311 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1312 * ":endtry" in a sourced file or executed function. If the try
1313 * conditional is in its finally clause, ignore anything pending.
1314 * If it is in a catch clause, finish the caught exception.
1315 * Also cleanup any "cs_forinfo" structures.
1316 */
1317 do
1318 {
1319 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1320
1321 if (idx >= 0)
1322 --idx; /* remove try block not in its finally clause */
1323 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1324 &cstack.cs_looplevel);
1325 }
1326 while (cstack.cs_idx >= 0);
1327 trylevel = initial_trylevel;
1328 }
1329
1330 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1331 * lack was reported above and the error message is to be converted to an
1332 * exception, do this now after rewinding the cstack. */
1333 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1334 ? (char_u *)"endfunction" : (char_u *)NULL);
1335
1336 if (trylevel == 0)
1337 {
1338 /*
1339 * When an exception is being thrown out of the outermost try
1340 * conditional, discard the uncaught exception, disable the conversion
1341 * of interrupts or errors to exceptions, and ensure that no more
1342 * commands are executed.
1343 */
1344 if (did_throw)
1345 {
1346 void *p = NULL;
1347 char_u *saved_sourcing_name;
1348 int saved_sourcing_lnum;
1349 struct msglist *messages = NULL, *next;
1350
1351 /*
1352 * If the uncaught exception is a user exception, report it as an
1353 * error. If it is an error exception, display the saved error
1354 * message now. For an interrupt exception, do nothing; the
1355 * interrupt message is given elsewhere.
1356 */
1357 switch (current_exception->type)
1358 {
1359 case ET_USER:
1360 vim_snprintf((char *)IObuff, IOSIZE,
1361 _("E605: Exception not caught: %s"),
1362 current_exception->value);
1363 p = vim_strsave(IObuff);
1364 break;
1365 case ET_ERROR:
1366 messages = current_exception->messages;
1367 current_exception->messages = NULL;
1368 break;
1369 case ET_INTERRUPT:
1370 break;
1371 default:
1372 p = vim_strsave((char_u *)_(e_internal));
1373 }
1374
1375 saved_sourcing_name = sourcing_name;
1376 saved_sourcing_lnum = sourcing_lnum;
1377 sourcing_name = current_exception->throw_name;
1378 sourcing_lnum = current_exception->throw_lnum;
1379 current_exception->throw_name = NULL;
1380
1381 discard_current_exception(); /* uses IObuff if 'verbose' */
1382 suppress_errthrow = TRUE;
1383 force_abort = TRUE;
1384
1385 if (messages != NULL)
1386 {
1387 do
1388 {
1389 next = messages->next;
1390 emsg(messages->msg);
1391 vim_free(messages->msg);
1392 vim_free(messages);
1393 messages = next;
1394 }
1395 while (messages != NULL);
1396 }
1397 else if (p != NULL)
1398 {
1399 emsg(p);
1400 vim_free(p);
1401 }
1402 vim_free(sourcing_name);
1403 sourcing_name = saved_sourcing_name;
1404 sourcing_lnum = saved_sourcing_lnum;
1405 }
1406
1407 /*
1408 * On an interrupt or an aborting error not converted to an exception,
1409 * disable the conversion of errors to exceptions. (Interrupts are not
1410 * converted any more, here.) This enables also the interrupt message
1411 * when force_abort is set and did_emsg unset in case of an interrupt
1412 * from a finally clause after an error.
1413 */
1414 else if (got_int || (did_emsg && force_abort))
1415 suppress_errthrow = TRUE;
1416 }
1417
1418 /*
1419 * The current cstack will be freed when do_cmdline() returns. An uncaught
1420 * exception will have to be rethrown in the previous cstack. If a function
1421 * has just returned or a script file was just finished and the previous
1422 * cstack belongs to the same function or, respectively, script file, it
1423 * will have to be checked for finally clauses to be executed due to the
1424 * ":return" or ":finish". This is done in do_one_cmd().
1425 */
1426 if (did_throw)
1427 need_rethrow = TRUE;
1428 if ((getline_equal(getline, cookie, getsourceline)
1429 && ex_nesting_level > source_level(real_cookie))
1430 || (getline_equal(getline, cookie, get_func_line)
1431 && ex_nesting_level > func_level(real_cookie) + 1))
1432 {
1433 if (!did_throw)
1434 check_cstack = TRUE;
1435 }
1436 else
1437 {
1438 /* When leaving a function, reduce nesting level. */
1439 if (getline_equal(getline, cookie, get_func_line))
1440 --ex_nesting_level;
1441 /*
1442 * Go to debug mode when returning from a function in which we are
1443 * single-stepping.
1444 */
1445 if ((getline_equal(getline, cookie, getsourceline)
1446 || getline_equal(getline, cookie, get_func_line))
1447 && ex_nesting_level + 1 <= debug_break_level)
1448 do_debug(getline_equal(getline, cookie, getsourceline)
1449 ? (char_u *)_("End of sourced file")
1450 : (char_u *)_("End of function"));
1451 }
1452
1453 /*
1454 * Restore the exception environment (done after returning from the
1455 * debugger).
1456 */
1457 if (flags & DOCMD_EXCRESET)
1458 restore_dbg_stuff(&debug_saved);
1459
1460 msg_list = saved_msg_list;
1461 #endif /* FEAT_EVAL */
1462
1463 /*
1464 * If there was too much output to fit on the command line, ask the user to
1465 * hit return before redrawing the screen. With the ":global" command we do
1466 * this only once after the command is finished.
1467 */
1468 if (did_inc)
1469 {
1470 --RedrawingDisabled;
1471 --no_wait_return;
1472 msg_scroll = FALSE;
1473
1474 /*
1475 * When just finished an ":if"-":else" which was typed, no need to
1476 * wait for hit-return. Also for an error situation.
1477 */
1478 if (retval == FAIL
1479 #ifdef FEAT_EVAL
1480 || (did_endif && KeyTyped && !did_emsg)
1481 #endif
1482 )
1483 {
1484 need_wait_return = FALSE;
1485 msg_didany = FALSE; /* don't wait when restarting edit */
1486 }
1487 else if (need_wait_return)
1488 {
1489 /*
1490 * The msg_start() above clears msg_didout. The wait_return we do
1491 * here should not overwrite the command that may be shown before
1492 * doing that.
1493 */
1494 msg_didout |= msg_didout_before_start;
1495 wait_return(FALSE);
1496 }
1497 }
1498
1499 #ifndef FEAT_EVAL
1500 /*
1501 * Reset if_level, in case a sourced script file contains more ":if" than
1502 * ":endif" (could be ":if x | foo | endif").
1503 */
1504 if_level = 0;
1505 #endif
1506
1507 --call_depth;
1508 return retval;
1509 }
1510
1511 #ifdef FEAT_EVAL
1512 /*
1513 * Obtain a line when inside a ":while" or ":for" loop.
1514 */
1515 static char_u *
1516 get_loop_line(c, cookie, indent)
1517 int c;
1518 void *cookie;
1519 int indent;
1520 {
1521 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1522 wcmd_T *wp;
1523 char_u *line;
1524
1525 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1526 {
1527 if (cp->repeating)
1528 return NULL; /* trying to read past ":endwhile"/":endfor" */
1529
1530 /* First time inside the ":while"/":for": get line normally. */
1531 if (cp->getline == NULL)
1532 line = getcmdline(c, 0L, indent);
1533 else
1534 line = cp->getline(c, cp->cookie, indent);
1535 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1536 ++cp->current_line;
1537
1538 return line;
1539 }
1540
1541 KeyTyped = FALSE;
1542 ++cp->current_line;
1543 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1544 sourcing_lnum = wp->lnum;
1545 return vim_strsave(wp->line);
1546 }
1547
1548 /*
1549 * Store a line in "gap" so that a ":while" loop can execute it again.
1550 */
1551 static int
1552 store_loop_line(gap, line)
1553 garray_T *gap;
1554 char_u *line;
1555 {
1556 if (ga_grow(gap, 1) == FAIL)
1557 return FAIL;
1558 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1559 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1560 ++gap->ga_len;
1561 return OK;
1562 }
1563
1564 /*
1565 * Free the lines stored for a ":while" or ":for" loop.
1566 */
1567 static void
1568 free_cmdlines(gap)
1569 garray_T *gap;
1570 {
1571 while (gap->ga_len > 0)
1572 {
1573 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1574 --gap->ga_len;
1575 }
1576 }
1577 #endif
1578
1579 /*
1580 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1581 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1582 */
1583 int
1584 getline_equal(fgetline, cookie, func)
1585 char_u *(*fgetline) __ARGS((int, void *, int));
1586 void *cookie UNUSED; /* argument for fgetline() */
1587 char_u *(*func) __ARGS((int, void *, int));
1588 {
1589 #ifdef FEAT_EVAL
1590 char_u *(*gp) __ARGS((int, void *, int));
1591 struct loop_cookie *cp;
1592
1593 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1594 * function that's originally used to obtain the lines. This may be
1595 * nested several levels. */
1596 gp = fgetline;
1597 cp = (struct loop_cookie *)cookie;
1598 while (gp == get_loop_line)
1599 {
1600 gp = cp->getline;
1601 cp = cp->cookie;
1602 }
1603 return gp == func;
1604 #else
1605 return fgetline == func;
1606 #endif
1607 }
1608
1609 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1610 /*
1611 * If "fgetline" is get_loop_line(), return the cookie used by the original
1612 * getline function. Otherwise return "cookie".
1613 */
1614 void *
1615 getline_cookie(fgetline, cookie)
1616 char_u *(*fgetline) __ARGS((int, void *, int)) UNUSED;
1617 void *cookie; /* argument for fgetline() */
1618 {
1619 # ifdef FEAT_EVAL
1620 char_u *(*gp) __ARGS((int, void *, int));
1621 struct loop_cookie *cp;
1622
1623 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1624 * cookie that's originally used to obtain the lines. This may be nested
1625 * several levels. */
1626 gp = fgetline;
1627 cp = (struct loop_cookie *)cookie;
1628 while (gp == get_loop_line)
1629 {
1630 gp = cp->getline;
1631 cp = cp->cookie;
1632 }
1633 return cp;
1634 # else
1635 return cookie;
1636 # endif
1637 }
1638 #endif
1639
1640 /*
1641 * Execute one Ex command.
1642 *
1643 * If 'sourcing' is TRUE, the command will be included in the error message.
1644 *
1645 * 1. skip comment lines and leading space
1646 * 2. handle command modifiers
1647 * 3. parse range
1648 * 4. parse command
1649 * 5. parse arguments
1650 * 6. switch on command name
1651 *
1652 * Note: "fgetline" can be NULL.
1653 *
1654 * This function may be called recursively!
1655 */
1656 #if (_MSC_VER == 1200)
1657 /*
1658 * Avoid optimisation bug in VC++ version 6.0
1659 */
1660 #pragma optimize( "g", off )
1661 #endif
1662 static char_u *
1663 do_one_cmd(cmdlinep, sourcing,
1664 #ifdef FEAT_EVAL
1665 cstack,
1666 #endif
1667 fgetline, cookie)
1668 char_u **cmdlinep;
1669 int sourcing;
1670 #ifdef FEAT_EVAL
1671 struct condstack *cstack;
1672 #endif
1673 char_u *(*fgetline) __ARGS((int, void *, int));
1674 void *cookie; /* argument for fgetline() */
1675 {
1676 char_u *p;
1677 linenr_T lnum;
1678 long n;
1679 char_u *errormsg = NULL; /* error message */
1680 exarg_T ea; /* Ex command arguments */
1681 long verbose_save = -1;
1682 int save_msg_scroll = msg_scroll;
1683 int save_msg_silent = -1;
1684 int did_esilent = 0;
1685 #ifdef HAVE_SANDBOX
1686 int did_sandbox = FALSE;
1687 #endif
1688 cmdmod_T save_cmdmod;
1689 int ni; /* set when Not Implemented */
1690
1691 vim_memset(&ea, 0, sizeof(ea));
1692 ea.line1 = 1;
1693 ea.line2 = 1;
1694 #ifdef FEAT_EVAL
1695 ++ex_nesting_level;
1696 #endif
1697
1698 /* when not editing the last file :q has to be typed twice */
1699 if (quitmore
1700 #ifdef FEAT_EVAL
1701 /* avoid that a function call in 'statusline' does this */
1702 && !getline_equal(fgetline, cookie, get_func_line)
1703 #endif
1704 )
1705 --quitmore;
1706
1707 /*
1708 * Reset browse, confirm, etc.. They are restored when returning, for
1709 * recursive calls.
1710 */
1711 save_cmdmod = cmdmod;
1712 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1713
1714 /* "#!anything" is handled like a comment. */
1715 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1716 goto doend;
1717
1718 /*
1719 * Repeat until no more command modifiers are found.
1720 */
1721 ea.cmd = *cmdlinep;
1722 for (;;)
1723 {
1724 /*
1725 * 1. skip comment lines and leading white space and colons
1726 */
1727 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1728 ++ea.cmd;
1729
1730 /* in ex mode, an empty line works like :+ */
1731 if (*ea.cmd == NUL && exmode_active
1732 && (getline_equal(fgetline, cookie, getexmodeline)
1733 || getline_equal(fgetline, cookie, getexline))
1734 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1735 {
1736 ea.cmd = (char_u *)"+";
1737 ex_pressedreturn = TRUE;
1738 }
1739
1740 /* ignore comment and empty lines */
1741 if (*ea.cmd == '"')
1742 goto doend;
1743 if (*ea.cmd == NUL)
1744 {
1745 ex_pressedreturn = TRUE;
1746 goto doend;
1747 }
1748
1749 /*
1750 * 2. handle command modifiers.
1751 */
1752 p = ea.cmd;
1753 if (VIM_ISDIGIT(*ea.cmd))
1754 p = skipwhite(skipdigits(ea.cmd));
1755 switch (*p)
1756 {
1757 /* When adding an entry, also modify cmd_exists(). */
1758 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1759 break;
1760 #ifdef FEAT_WINDOWS
1761 cmdmod.split |= WSP_ABOVE;
1762 #endif
1763 continue;
1764
1765 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1766 {
1767 #ifdef FEAT_WINDOWS
1768 cmdmod.split |= WSP_BELOW;
1769 #endif
1770 continue;
1771 }
1772 if (checkforcmd(&ea.cmd, "browse", 3))
1773 {
1774 #ifdef FEAT_BROWSE_CMD
1775 cmdmod.browse = TRUE;
1776 #endif
1777 continue;
1778 }
1779 if (!checkforcmd(&ea.cmd, "botright", 2))
1780 break;
1781 #ifdef FEAT_WINDOWS
1782 cmdmod.split |= WSP_BOT;
1783 #endif
1784 continue;
1785
1786 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1787 break;
1788 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1789 cmdmod.confirm = TRUE;
1790 #endif
1791 continue;
1792
1793 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1794 {
1795 cmdmod.keepmarks = TRUE;
1796 continue;
1797 }
1798 if (checkforcmd(&ea.cmd, "keepalt", 5))
1799 {
1800 cmdmod.keepalt = TRUE;
1801 continue;
1802 }
1803 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1804 break;
1805 cmdmod.keepjumps = TRUE;
1806 continue;
1807
1808 /* ":hide" and ":hide | cmd" are not modifiers */
1809 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1810 || *p == NUL || ends_excmd(*p))
1811 break;
1812 ea.cmd = p;
1813 cmdmod.hide = TRUE;
1814 continue;
1815
1816 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1817 {
1818 cmdmod.lockmarks = TRUE;
1819 continue;
1820 }
1821
1822 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1823 break;
1824 #ifdef FEAT_WINDOWS
1825 cmdmod.split |= WSP_ABOVE;
1826 #endif
1827 continue;
1828
1829 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1830 break;
1831 #ifdef FEAT_AUTOCMD
1832 if (cmdmod.save_ei == NULL)
1833 {
1834 /* Set 'eventignore' to "all". Restore the
1835 * existing option value later. */
1836 cmdmod.save_ei = vim_strsave(p_ei);
1837 set_string_option_direct((char_u *)"ei", -1,
1838 (char_u *)"all", OPT_FREE, SID_NONE);
1839 }
1840 #endif
1841 continue;
1842
1843 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1844 break;
1845 #ifdef FEAT_WINDOWS
1846 cmdmod.split |= WSP_BELOW;
1847 #endif
1848 continue;
1849
1850 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1851 {
1852 #ifdef HAVE_SANDBOX
1853 if (!did_sandbox)
1854 ++sandbox;
1855 did_sandbox = TRUE;
1856 #endif
1857 continue;
1858 }
1859 if (!checkforcmd(&ea.cmd, "silent", 3))
1860 break;
1861 if (save_msg_silent == -1)
1862 save_msg_silent = msg_silent;
1863 ++msg_silent;
1864 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1865 {
1866 /* ":silent!", but not "silent !cmd" */
1867 ea.cmd = skipwhite(ea.cmd + 1);
1868 ++emsg_silent;
1869 ++did_esilent;
1870 }
1871 continue;
1872
1873 case 't': if (checkforcmd(&p, "tab", 3))
1874 {
1875 #ifdef FEAT_WINDOWS
1876 if (vim_isdigit(*ea.cmd))
1877 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1878 else
1879 cmdmod.tab = tabpage_index(curtab) + 1;
1880 ea.cmd = p;
1881 #endif
1882 continue;
1883 }
1884 if (!checkforcmd(&ea.cmd, "topleft", 2))
1885 break;
1886 #ifdef FEAT_WINDOWS
1887 cmdmod.split |= WSP_TOP;
1888 #endif
1889 continue;
1890
1891 case 'u': if (!checkforcmd(&ea.cmd, "unsilent", 3))
1892 break;
1893 if (save_msg_silent == -1)
1894 save_msg_silent = msg_silent;
1895 msg_silent = 0;
1896 continue;
1897
1898 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1899 {
1900 #ifdef FEAT_VERTSPLIT
1901 cmdmod.split |= WSP_VERT;
1902 #endif
1903 continue;
1904 }
1905 if (!checkforcmd(&p, "verbose", 4))
1906 break;
1907 if (verbose_save < 0)
1908 verbose_save = p_verbose;
1909 if (vim_isdigit(*ea.cmd))
1910 p_verbose = atoi((char *)ea.cmd);
1911 else
1912 p_verbose = 1;
1913 ea.cmd = p;
1914 continue;
1915 }
1916 break;
1917 }
1918
1919 #ifdef FEAT_EVAL
1920 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1921 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1922 #else
1923 ea.skip = (if_level > 0);
1924 #endif
1925
1926 #ifdef FEAT_EVAL
1927 # ifdef FEAT_PROFILE
1928 /* Count this line for profiling if ea.skip is FALSE. */
1929 if (do_profiling == PROF_YES && !ea.skip)
1930 {
1931 if (getline_equal(fgetline, cookie, get_func_line))
1932 func_line_exec(getline_cookie(fgetline, cookie));
1933 else if (getline_equal(fgetline, cookie, getsourceline))
1934 script_line_exec();
1935 }
1936 #endif
1937
1938 /* May go to debug mode. If this happens and the ">quit" debug command is
1939 * used, throw an interrupt exception and skip the next command. */
1940 dbg_check_breakpoint(&ea);
1941 if (!ea.skip && got_int)
1942 {
1943 ea.skip = TRUE;
1944 (void)do_intthrow(cstack);
1945 }
1946 #endif
1947
1948 /*
1949 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1950 *
1951 * where 'addr' is:
1952 *
1953 * % (entire file)
1954 * $ [+-NUM]
1955 * 'x [+-NUM] (where x denotes a currently defined mark)
1956 * . [+-NUM]
1957 * [+-NUM]..
1958 * NUM
1959 *
1960 * The ea.cmd pointer is updated to point to the first character following the
1961 * range spec. If an initial address is found, but no second, the upper bound
1962 * is equal to the lower.
1963 */
1964
1965 /* repeat for all ',' or ';' separated addresses */
1966 for (;;)
1967 {
1968 ea.line1 = ea.line2;
1969 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1970 ea.cmd = skipwhite(ea.cmd);
1971 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1972 if (ea.cmd == NULL) /* error detected */
1973 goto doend;
1974 if (lnum == MAXLNUM)
1975 {
1976 if (*ea.cmd == '%') /* '%' - all lines */
1977 {
1978 ++ea.cmd;
1979 ea.line1 = 1;
1980 ea.line2 = curbuf->b_ml.ml_line_count;
1981 ++ea.addr_count;
1982 }
1983 /* '*' - visual area */
1984 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1985 {
1986 pos_T *fp;
1987
1988 ++ea.cmd;
1989 if (!ea.skip)
1990 {
1991 fp = getmark('<', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line1 = fp->lnum;
1995 fp = getmark('>', FALSE);
1996 if (check_mark(fp) == FAIL)
1997 goto doend;
1998 ea.line2 = fp->lnum;
1999 ++ea.addr_count;
2000 }
2001 }
2002 }
2003 else
2004 ea.line2 = lnum;
2005 ea.addr_count++;
2006
2007 if (*ea.cmd == ';')
2008 {
2009 if (!ea.skip)
2010 curwin->w_cursor.lnum = ea.line2;
2011 }
2012 else if (*ea.cmd != ',')
2013 break;
2014 ++ea.cmd;
2015 }
2016
2017 /* One address given: set start and end lines */
2018 if (ea.addr_count == 1)
2019 {
2020 ea.line1 = ea.line2;
2021 /* ... but only implicit: really no address given */
2022 if (lnum == MAXLNUM)
2023 ea.addr_count = 0;
2024 }
2025
2026 /* Don't leave the cursor on an illegal line (caused by ';') */
2027 check_cursor_lnum();
2028
2029 /*
2030 * 4. parse command
2031 */
2032
2033 /*
2034 * Skip ':' and any white space
2035 */
2036 ea.cmd = skipwhite(ea.cmd);
2037 while (*ea.cmd == ':')
2038 ea.cmd = skipwhite(ea.cmd + 1);
2039
2040 /*
2041 * If we got a line, but no command, then go to the line.
2042 * If we find a '|' or '\n' we set ea.nextcmd.
2043 */
2044 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2045 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2046 {
2047 /*
2048 * strange vi behaviour:
2049 * ":3" jumps to line 3
2050 * ":3|..." prints line 3
2051 * ":|" prints current line
2052 */
2053 if (ea.skip) /* skip this if inside :if */
2054 goto doend;
2055 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2056 {
2057 ea.cmdidx = CMD_print;
2058 ea.argt = RANGE+COUNT+TRLBAR;
2059 if ((errormsg = invalid_range(&ea)) == NULL)
2060 {
2061 correct_range(&ea);
2062 ex_print(&ea);
2063 }
2064 }
2065 else if (ea.addr_count != 0)
2066 {
2067 if (ea.line2 > curbuf->b_ml.ml_line_count)
2068 {
2069 /* With '-' in 'cpoptions' a line number past the file is an
2070 * error, otherwise put it at the end of the file. */
2071 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2072 ea.line2 = -1;
2073 else
2074 ea.line2 = curbuf->b_ml.ml_line_count;
2075 }
2076
2077 if (ea.line2 < 0)
2078 errormsg = (char_u *)_(e_invrange);
2079 else
2080 {
2081 if (ea.line2 == 0)
2082 curwin->w_cursor.lnum = 1;
2083 else
2084 curwin->w_cursor.lnum = ea.line2;
2085 beginline(BL_SOL | BL_FIX);
2086 }
2087 }
2088 goto doend;
2089 }
2090
2091 /* Find the command and let "p" point to after it. */
2092 p = find_command(&ea, NULL);
2093
2094 #ifdef FEAT_USR_CMDS
2095 if (p == NULL)
2096 {
2097 if (!ea.skip)
2098 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2099 goto doend;
2100 }
2101 /* Check for wrong commands. */
2102 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2103 {
2104 errormsg = uc_fun_cmd();
2105 goto doend;
2106 }
2107 #endif
2108 if (ea.cmdidx == CMD_SIZE)
2109 {
2110 if (!ea.skip)
2111 {
2112 STRCPY(IObuff, _("E492: Not an editor command"));
2113 if (!sourcing)
2114 {
2115 STRCAT(IObuff, ": ");
2116 STRNCAT(IObuff, *cmdlinep, 40);
2117 }
2118 errormsg = IObuff;
2119 }
2120 goto doend;
2121 }
2122
2123 ni = (
2124 #ifdef FEAT_USR_CMDS
2125 !USER_CMDIDX(ea.cmdidx) &&
2126 #endif
2127 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2128 #ifdef HAVE_EX_SCRIPT_NI
2129 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2130 #endif
2131 ));
2132
2133 #ifndef FEAT_EVAL
2134 /*
2135 * When the expression evaluation is disabled, recognize the ":if" and
2136 * ":endif" commands and ignore everything in between it.
2137 */
2138 if (ea.cmdidx == CMD_if)
2139 ++if_level;
2140 if (if_level)
2141 {
2142 if (ea.cmdidx == CMD_endif)
2143 --if_level;
2144 goto doend;
2145 }
2146
2147 #endif
2148
2149 /* forced commands */
2150 if (*p == '!' && ea.cmdidx != CMD_substitute
2151 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2152 {
2153 ++p;
2154 ea.forceit = TRUE;
2155 }
2156 else
2157 ea.forceit = FALSE;
2158
2159 /*
2160 * 5. parse arguments
2161 */
2162 #ifdef FEAT_USR_CMDS
2163 if (!USER_CMDIDX(ea.cmdidx))
2164 #endif
2165 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2166
2167 if (!ea.skip)
2168 {
2169 #ifdef HAVE_SANDBOX
2170 if (sandbox != 0 && !(ea.argt & SBOXOK))
2171 {
2172 /* Command not allowed in sandbox. */
2173 errormsg = (char_u *)_(e_sandbox);
2174 goto doend;
2175 }
2176 #endif
2177 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2178 {
2179 /* Command not allowed in non-'modifiable' buffer */
2180 errormsg = (char_u *)_(e_modifiable);
2181 goto doend;
2182 }
2183
2184 if (text_locked() && !(ea.argt & CMDWIN)
2185 # ifdef FEAT_USR_CMDS
2186 && !USER_CMDIDX(ea.cmdidx)
2187 # endif
2188 )
2189 {
2190 /* Command not allowed when editing the command line. */
2191 #ifdef FEAT_CMDWIN
2192 if (cmdwin_type != 0)
2193 errormsg = (char_u *)_(e_cmdwin);
2194 else
2195 #endif
2196 errormsg = (char_u *)_(e_secure);
2197 goto doend;
2198 }
2199 #ifdef FEAT_AUTOCMD
2200 /* Disallow editing another buffer when "curbuf_lock" is set.
2201 * Do allow ":edit" (check for argument later).
2202 * Do allow ":checktime" (it's postponed). */
2203 if (!(ea.argt & CMDWIN)
2204 && ea.cmdidx != CMD_edit
2205 && ea.cmdidx != CMD_checktime
2206 # ifdef FEAT_USR_CMDS
2207 && !USER_CMDIDX(ea.cmdidx)
2208 # endif
2209 && curbuf_locked())
2210 goto doend;
2211 #endif
2212
2213 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2214 {
2215 /* no range allowed */
2216 errormsg = (char_u *)_(e_norange);
2217 goto doend;
2218 }
2219 }
2220
2221 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2222 {
2223 errormsg = (char_u *)_(e_nobang);
2224 goto doend;
2225 }
2226
2227 /*
2228 * Don't complain about the range if it is not used
2229 * (could happen if line_count is accidentally set to 0).
2230 */
2231 if (!ea.skip && !ni)
2232 {
2233 /*
2234 * If the range is backwards, ask for confirmation and, if given, swap
2235 * ea.line1 & ea.line2 so it's forwards again.
2236 * When global command is busy, don't ask, will fail below.
2237 */
2238 if (!global_busy && ea.line1 > ea.line2)
2239 {
2240 if (msg_silent == 0)
2241 {
2242 if (sourcing || exmode_active)
2243 {
2244 errormsg = (char_u *)_("E493: Backwards range given");
2245 goto doend;
2246 }
2247 if (ask_yesno((char_u *)
2248 _("Backwards range given, OK to swap"), FALSE) != 'y')
2249 goto doend;
2250 }
2251 lnum = ea.line1;
2252 ea.line1 = ea.line2;
2253 ea.line2 = lnum;
2254 }
2255 if ((errormsg = invalid_range(&ea)) != NULL)
2256 goto doend;
2257 }
2258
2259 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2260 ea.line2 = 1;
2261
2262 correct_range(&ea);
2263
2264 #ifdef FEAT_FOLDING
2265 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2266 {
2267 /* Put the first line at the start of a closed fold, put the last line
2268 * at the end of a closed fold. */
2269 (void)hasFolding(ea.line1, &ea.line1, NULL);
2270 (void)hasFolding(ea.line2, NULL, &ea.line2);
2271 }
2272 #endif
2273
2274 #ifdef FEAT_QUICKFIX
2275 /*
2276 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2277 * option here, so things like % get expanded.
2278 */
2279 p = replace_makeprg(&ea, p, cmdlinep);
2280 if (p == NULL)
2281 goto doend;
2282 #endif
2283
2284 /*
2285 * Skip to start of argument.
2286 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2287 */
2288 if (ea.cmdidx == CMD_bang)
2289 ea.arg = p;
2290 else
2291 ea.arg = skipwhite(p);
2292
2293 /*
2294 * Check for "++opt=val" argument.
2295 * Must be first, allow ":w ++enc=utf8 !cmd"
2296 */
2297 if (ea.argt & ARGOPT)
2298 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2299 if (getargopt(&ea) == FAIL && !ni)
2300 {
2301 errormsg = (char_u *)_(e_invarg);
2302 goto doend;
2303 }
2304
2305 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2306 {
2307 if (*ea.arg == '>') /* append */
2308 {
2309 if (*++ea.arg != '>') /* typed wrong */
2310 {
2311 errormsg = (char_u *)_("E494: Use w or w>>");
2312 goto doend;
2313 }
2314 ea.arg = skipwhite(ea.arg + 1);
2315 ea.append = TRUE;
2316 }
2317 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2318 {
2319 ++ea.arg;
2320 ea.usefilter = TRUE;
2321 }
2322 }
2323
2324 if (ea.cmdidx == CMD_read)
2325 {
2326 if (ea.forceit)
2327 {
2328 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2329 ea.forceit = FALSE;
2330 }
2331 else if (*ea.arg == '!') /* :r !filter */
2332 {
2333 ++ea.arg;
2334 ea.usefilter = TRUE;
2335 }
2336 }
2337
2338 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2339 {
2340 ea.amount = 1;
2341 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2342 {
2343 ++ea.arg;
2344 ++ea.amount;
2345 }
2346 ea.arg = skipwhite(ea.arg);
2347 }
2348
2349 /*
2350 * Check for "+command" argument, before checking for next command.
2351 * Don't do this for ":read !cmd" and ":write !cmd".
2352 */
2353 if ((ea.argt & EDITCMD) && !ea.usefilter)
2354 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2355
2356 /*
2357 * Check for '|' to separate commands and '"' to start comments.
2358 * Don't do this for ":read !cmd" and ":write !cmd".
2359 */
2360 if ((ea.argt & TRLBAR) && !ea.usefilter)
2361 separate_nextcmd(&ea);
2362
2363 /*
2364 * Check for <newline> to end a shell command.
2365 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2366 * Any others?
2367 */
2368 else if (ea.cmdidx == CMD_bang
2369 || ea.cmdidx == CMD_global
2370 || ea.cmdidx == CMD_vglobal
2371 || ea.usefilter)
2372 {
2373 for (p = ea.arg; *p; ++p)
2374 {
2375 /* Remove one backslash before a newline, so that it's possible to
2376 * pass a newline to the shell and also a newline that is preceded
2377 * with a backslash. This makes it impossible to end a shell
2378 * command in a backslash, but that doesn't appear useful.
2379 * Halving the number of backslashes is incompatible with previous
2380 * versions. */
2381 if (*p == '\\' && p[1] == '\n')
2382 STRMOVE(p, p + 1);
2383 else if (*p == '\n')
2384 {
2385 ea.nextcmd = p + 1;
2386 *p = NUL;
2387 break;
2388 }
2389 }
2390 }
2391
2392 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2393 {
2394 ea.line1 = 1;
2395 ea.line2 = curbuf->b_ml.ml_line_count;
2396 }
2397
2398 /* accept numbered register only when no count allowed (:put) */
2399 if ( (ea.argt & REGSTR)
2400 && *ea.arg != NUL
2401 #ifdef FEAT_USR_CMDS
2402 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2403 && USER_CMDIDX(ea.cmdidx)))
2404 /* Do not allow register = for user commands */
2405 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2406 #else
2407 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2408 #endif
2409 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2410 {
2411 ea.regname = *ea.arg++;
2412 #ifdef FEAT_EVAL
2413 /* for '=' register: accept the rest of the line as an expression */
2414 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2415 {
2416 set_expr_line(vim_strsave(ea.arg));
2417 ea.arg += STRLEN(ea.arg);
2418 }
2419 #endif
2420 ea.arg = skipwhite(ea.arg);
2421 }
2422
2423 /*
2424 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2425 * count, it's a buffer name.
2426 */
2427 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2428 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2429 || vim_iswhite(*p)))
2430 {
2431 n = getdigits(&ea.arg);
2432 ea.arg = skipwhite(ea.arg);
2433 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2434 {
2435 errormsg = (char_u *)_(e_zerocount);
2436 goto doend;
2437 }
2438 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2439 {
2440 ea.line2 = n;
2441 if (ea.addr_count == 0)
2442 ea.addr_count = 1;
2443 }
2444 else
2445 {
2446 ea.line1 = ea.line2;
2447 ea.line2 += n - 1;
2448 ++ea.addr_count;
2449 /*
2450 * Be vi compatible: no error message for out of range.
2451 */
2452 if (ea.line2 > curbuf->b_ml.ml_line_count)
2453 ea.line2 = curbuf->b_ml.ml_line_count;
2454 }
2455 }
2456
2457 /*
2458 * Check for flags: 'l', 'p' and '#'.
2459 */
2460 if (ea.argt & EXFLAGS)
2461 get_flags(&ea);
2462 /* no arguments allowed */
2463 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2464 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2465 {
2466 errormsg = (char_u *)_(e_trailing);
2467 goto doend;
2468 }
2469
2470 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2471 {
2472 errormsg = (char_u *)_(e_argreq);
2473 goto doend;
2474 }
2475
2476 #ifdef FEAT_EVAL
2477 /*
2478 * Skip the command when it's not going to be executed.
2479 * The commands like :if, :endif, etc. always need to be executed.
2480 * Also make an exception for commands that handle a trailing command
2481 * themselves.
2482 */
2483 if (ea.skip)
2484 {
2485 switch (ea.cmdidx)
2486 {
2487 /* commands that need evaluation */
2488 case CMD_while:
2489 case CMD_endwhile:
2490 case CMD_for:
2491 case CMD_endfor:
2492 case CMD_if:
2493 case CMD_elseif:
2494 case CMD_else:
2495 case CMD_endif:
2496 case CMD_try:
2497 case CMD_catch:
2498 case CMD_finally:
2499 case CMD_endtry:
2500 case CMD_function:
2501 break;
2502
2503 /* Commands that handle '|' themselves. Check: A command should
2504 * either have the TRLBAR flag, appear in this list or appear in
2505 * the list at ":help :bar". */
2506 case CMD_aboveleft:
2507 case CMD_and:
2508 case CMD_belowright:
2509 case CMD_botright:
2510 case CMD_browse:
2511 case CMD_call:
2512 case CMD_confirm:
2513 case CMD_delfunction:
2514 case CMD_djump:
2515 case CMD_dlist:
2516 case CMD_dsearch:
2517 case CMD_dsplit:
2518 case CMD_echo:
2519 case CMD_echoerr:
2520 case CMD_echomsg:
2521 case CMD_echon:
2522 case CMD_execute:
2523 case CMD_help:
2524 case CMD_hide:
2525 case CMD_ijump:
2526 case CMD_ilist:
2527 case CMD_isearch:
2528 case CMD_isplit:
2529 case CMD_keepalt:
2530 case CMD_keepjumps:
2531 case CMD_keepmarks:
2532 case CMD_leftabove:
2533 case CMD_let:
2534 case CMD_lockmarks:
2535 case CMD_match:
2536 case CMD_mzscheme:
2537 case CMD_perl:
2538 case CMD_psearch:
2539 case CMD_python:
2540 case CMD_return:
2541 case CMD_rightbelow:
2542 case CMD_ruby:
2543 case CMD_silent:
2544 case CMD_smagic:
2545 case CMD_snomagic:
2546 case CMD_substitute:
2547 case CMD_syntax:
2548 case CMD_tab:
2549 case CMD_tcl:
2550 case CMD_throw:
2551 case CMD_tilde:
2552 case CMD_topleft:
2553 case CMD_unlet:
2554 case CMD_verbose:
2555 case CMD_vertical:
2556 break;
2557
2558 default: goto doend;
2559 }
2560 }
2561 #endif
2562
2563 if (ea.argt & XFILE)
2564 {
2565 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2566 goto doend;
2567 }
2568
2569 #ifdef FEAT_LISTCMDS
2570 /*
2571 * Accept buffer name. Cannot be used at the same time with a buffer
2572 * number. Don't do this for a user command.
2573 */
2574 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2575 # ifdef FEAT_USR_CMDS
2576 && !USER_CMDIDX(ea.cmdidx)
2577 # endif
2578 )
2579 {
2580 /*
2581 * :bdelete, :bwipeout and :bunload take several arguments, separated
2582 * by spaces: find next space (skipping over escaped characters).
2583 * The others take one argument: ignore trailing spaces.
2584 */
2585 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2586 || ea.cmdidx == CMD_bunload)
2587 p = skiptowhite_esc(ea.arg);
2588 else
2589 {
2590 p = ea.arg + STRLEN(ea.arg);
2591 while (p > ea.arg && vim_iswhite(p[-1]))
2592 --p;
2593 }
2594 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2595 if (ea.line2 < 0) /* failed */
2596 goto doend;
2597 ea.addr_count = 1;
2598 ea.arg = skipwhite(p);
2599 }
2600 #endif
2601
2602 /*
2603 * 6. switch on command name
2604 *
2605 * The "ea" structure holds the arguments that can be used.
2606 */
2607 ea.cmdlinep = cmdlinep;
2608 ea.getline = fgetline;
2609 ea.cookie = cookie;
2610 #ifdef FEAT_EVAL
2611 ea.cstack = cstack;
2612 #endif
2613
2614 #ifdef FEAT_USR_CMDS
2615 if (USER_CMDIDX(ea.cmdidx))
2616 {
2617 /*
2618 * Execute a user-defined command.
2619 */
2620 do_ucmd(&ea);
2621 }
2622 else
2623 #endif
2624 {
2625 /*
2626 * Call the function to execute the command.
2627 */
2628 ea.errmsg = NULL;
2629 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2630 if (ea.errmsg != NULL)
2631 errormsg = (char_u *)_(ea.errmsg);
2632 }
2633
2634 #ifdef FEAT_EVAL
2635 /*
2636 * If the command just executed called do_cmdline(), any throw or ":return"
2637 * or ":finish" encountered there must also check the cstack of the still
2638 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2639 * exception, or reanimate a returned function or finished script file and
2640 * return or finish it again.
2641 */
2642 if (need_rethrow)
2643 do_throw(cstack);
2644 else if (check_cstack)
2645 {
2646 if (source_finished(fgetline, cookie))
2647 do_finish(&ea, TRUE);
2648 else if (getline_equal(fgetline, cookie, get_func_line)
2649 && current_func_returned())
2650 do_return(&ea, TRUE, FALSE, NULL);
2651 }
2652 need_rethrow = check_cstack = FALSE;
2653 #endif
2654
2655 doend:
2656 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2657 curwin->w_cursor.lnum = 1;
2658
2659 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2660 {
2661 if (sourcing)
2662 {
2663 if (errormsg != IObuff)
2664 {
2665 STRCPY(IObuff, errormsg);
2666 errormsg = IObuff;
2667 }
2668 STRCAT(errormsg, ": ");
2669 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2670 }
2671 emsg(errormsg);
2672 }
2673 #ifdef FEAT_EVAL
2674 do_errthrow(cstack,
2675 (ea.cmdidx != CMD_SIZE
2676 # ifdef FEAT_USR_CMDS
2677 && !USER_CMDIDX(ea.cmdidx)
2678 # endif
2679 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2680 #endif
2681
2682 if (verbose_save >= 0)
2683 p_verbose = verbose_save;
2684 #ifdef FEAT_AUTOCMD
2685 if (cmdmod.save_ei != NULL)
2686 {
2687 /* Restore 'eventignore' to the value before ":noautocmd". */
2688 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2689 OPT_FREE, SID_NONE);
2690 free_string_option(cmdmod.save_ei);
2691 }
2692 #endif
2693
2694 cmdmod = save_cmdmod;
2695
2696 if (save_msg_silent != -1)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 if (!did_emsg || msg_silent > save_msg_silent)
2701 msg_silent = save_msg_silent;
2702 emsg_silent -= did_esilent;
2703 if (emsg_silent < 0)
2704 emsg_silent = 0;
2705 /* Restore msg_scroll, it's set by file I/O commands, even when no
2706 * message is actually displayed. */
2707 msg_scroll = save_msg_scroll;
2708
2709 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2710 * somewhere in the line. Put it back in the first column. */
2711 if (redirecting())
2712 msg_col = 0;
2713 }
2714
2715 #ifdef HAVE_SANDBOX
2716 if (did_sandbox)
2717 --sandbox;
2718 #endif
2719
2720 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2721 ea.nextcmd = NULL;
2722
2723 #ifdef FEAT_EVAL
2724 --ex_nesting_level;
2725 #endif
2726
2727 return ea.nextcmd;
2728 }
2729 #if (_MSC_VER == 1200)
2730 #pragma optimize( "", on )
2731 #endif
2732
2733 /*
2734 * Check for an Ex command with optional tail.
2735 * If there is a match advance "pp" to the argument and return TRUE.
2736 */
2737 int
2738 checkforcmd(pp, cmd, len)
2739 char_u **pp; /* start of command */
2740 char *cmd; /* name of command */
2741 int len; /* required length */
2742 {
2743 int i;
2744
2745 for (i = 0; cmd[i] != NUL; ++i)
2746 if (((char_u *)cmd)[i] != (*pp)[i])
2747 break;
2748 if (i >= len && !isalpha((*pp)[i]))
2749 {
2750 *pp = skipwhite(*pp + i);
2751 return TRUE;
2752 }
2753 return FALSE;
2754 }
2755
2756 /*
2757 * Find an Ex command by its name, either built-in or user.
2758 * Start of the name can be found at eap->cmd.
2759 * Returns pointer to char after the command name.
2760 * "full" is set to TRUE if the whole command name matched.
2761 * Returns NULL for an ambiguous user command.
2762 */
2763 static char_u *
2764 find_command(eap, full)
2765 exarg_T *eap;
2766 int *full UNUSED;
2767 {
2768 int len;
2769 char_u *p;
2770 int i;
2771
2772 /*
2773 * Isolate the command and search for it in the command table.
2774 * Exceptions:
2775 * - the 'k' command can directly be followed by any character.
2776 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2777 * but :sre[wind] is another command, as are :scrip[tnames],
2778 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2779 * - the "d" command can directly be followed by 'l' or 'p' flag.
2780 */
2781 p = eap->cmd;
2782 if (*p == 'k')
2783 {
2784 eap->cmdidx = CMD_k;
2785 ++p;
2786 }
2787 else if (p[0] == 's'
2788 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2789 && p[3] != 'i' && p[4] != 'p')
2790 || p[1] == 'g'
2791 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2792 || p[1] == 'I'
2793 || (p[1] == 'r' && p[2] != 'e')))
2794 {
2795 eap->cmdidx = CMD_substitute;
2796 ++p;
2797 }
2798 else
2799 {
2800 while (ASCII_ISALPHA(*p))
2801 ++p;
2802 /* check for non-alpha command */
2803 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2804 ++p;
2805 len = (int)(p - eap->cmd);
2806 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2807 {
2808 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2809 * :delete with the 'l' flag. Same for 'p'. */
2810 for (i = 0; i < len; ++i)
2811 if (eap->cmd[i] != ((char_u *)"delete")[i])
2812 break;
2813 if (i == len - 1)
2814 {
2815 --len;
2816 if (p[-1] == 'l')
2817 eap->flags |= EXFLAG_LIST;
2818 else
2819 eap->flags |= EXFLAG_PRINT;
2820 }
2821 }
2822
2823 if (ASCII_ISLOWER(*eap->cmd))
2824 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2825 else
2826 eap->cmdidx = cmdidxs[26];
2827
2828 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2829 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2830 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2831 (size_t)len) == 0)
2832 {
2833 #ifdef FEAT_EVAL
2834 if (full != NULL
2835 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2836 *full = TRUE;
2837 #endif
2838 break;
2839 }
2840
2841 #ifdef FEAT_USR_CMDS
2842 /* Look for a user defined command as a last resort */
2843 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2844 {
2845 /* User defined commands may contain digits. */
2846 while (ASCII_ISALNUM(*p))
2847 ++p;
2848 p = find_ucmd(eap, p, full, NULL, NULL);
2849 }
2850 #endif
2851 if (p == eap->cmd)
2852 eap->cmdidx = CMD_SIZE;
2853 }
2854
2855 return p;
2856 }
2857
2858 #ifdef FEAT_USR_CMDS
2859 /*
2860 * Search for a user command that matches "eap->cmd".
2861 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2862 * Return a pointer to just after the command.
2863 * Return NULL if there is no matching command.
2864 */
2865 static char_u *
2866 find_ucmd(eap, p, full, xp, compl)
2867 exarg_T *eap;
2868 char_u *p; /* end of the command (possibly including count) */
2869 int *full; /* set to TRUE for a full match */
2870 expand_T *xp; /* used for completion, NULL otherwise */
2871 int *compl; /* completion flags or NULL */
2872 {
2873 int len = (int)(p - eap->cmd);
2874 int j, k, matchlen = 0;
2875 ucmd_T *uc;
2876 int found = FALSE;
2877 int possible = FALSE;
2878 char_u *cp, *np; /* Point into typed cmd and test name */
2879 garray_T *gap;
2880 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2881 only full match global is accepted. */
2882
2883 /*
2884 * Look for buffer-local user commands first, then global ones.
2885 */
2886 gap = &curbuf->b_ucmds;
2887 for (;;)
2888 {
2889 for (j = 0; j < gap->ga_len; ++j)
2890 {
2891 uc = USER_CMD_GA(gap, j);
2892 cp = eap->cmd;
2893 np = uc->uc_name;
2894 k = 0;
2895 while (k < len && *np != NUL && *cp++ == *np++)
2896 k++;
2897 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2898 {
2899 /* If finding a second match, the command is ambiguous. But
2900 * not if a buffer-local command wasn't a full match and a
2901 * global command is a full match. */
2902 if (k == len && found && *np != NUL)
2903 {
2904 if (gap == &ucmds)
2905 return NULL;
2906 amb_local = TRUE;
2907 }
2908
2909 if (!found || (k == len && *np == NUL))
2910 {
2911 /* If we matched up to a digit, then there could
2912 * be another command including the digit that we
2913 * should use instead.
2914 */
2915 if (k == len)
2916 found = TRUE;
2917 else
2918 possible = TRUE;
2919
2920 if (gap == &ucmds)
2921 eap->cmdidx = CMD_USER;
2922 else
2923 eap->cmdidx = CMD_USER_BUF;
2924 eap->argt = (long)uc->uc_argt;
2925 eap->useridx = j;
2926
2927 # ifdef FEAT_CMDL_COMPL
2928 if (compl != NULL)
2929 *compl = uc->uc_compl;
2930 # ifdef FEAT_EVAL
2931 if (xp != NULL)
2932 {
2933 xp->xp_arg = uc->uc_compl_arg;
2934 xp->xp_scriptID = uc->uc_scriptID;
2935 }
2936 # endif
2937 # endif
2938 /* Do not search for further abbreviations
2939 * if this is an exact match. */
2940 matchlen = k;
2941 if (k == len && *np == NUL)
2942 {
2943 if (full != NULL)
2944 *full = TRUE;
2945 amb_local = FALSE;
2946 break;
2947 }
2948 }
2949 }
2950 }
2951
2952 /* Stop if we found a full match or searched all. */
2953 if (j < gap->ga_len || gap == &ucmds)
2954 break;
2955 gap = &ucmds;
2956 }
2957
2958 /* Only found ambiguous matches. */
2959 if (amb_local)
2960 {
2961 if (xp != NULL)
2962 xp->xp_context = EXPAND_UNSUCCESSFUL;
2963 return NULL;
2964 }
2965
2966 /* The match we found may be followed immediately by a number. Move "p"
2967 * back to point to it. */
2968 if (found || possible)
2969 return p + (matchlen - len);
2970 return p;
2971 }
2972 #endif
2973
2974 #if defined(FEAT_EVAL) || defined(PROTO)
2975 static struct cmdmod
2976 {
2977 char *name;
2978 int minlen;
2979 int has_count; /* :123verbose :3tab */
2980 } cmdmods[] = {
2981 {"aboveleft", 3, FALSE},
2982 {"belowright", 3, FALSE},
2983 {"botright", 2, FALSE},
2984 {"browse", 3, FALSE},
2985 {"confirm", 4, FALSE},
2986 {"hide", 3, FALSE},
2987 {"keepalt", 5, FALSE},
2988 {"keepjumps", 5, FALSE},
2989 {"keepmarks", 3, FALSE},
2990 {"leftabove", 5, FALSE},
2991 {"lockmarks", 3, FALSE},
2992 {"noautocmd", 3, FALSE},
2993 {"rightbelow", 6, FALSE},
2994 {"sandbox", 3, FALSE},
2995 {"silent", 3, FALSE},
2996 {"tab", 3, TRUE},
2997 {"topleft", 2, FALSE},
2998 {"unsilent", 3, FALSE},
2999 {"verbose", 4, TRUE},
3000 {"vertical", 4, FALSE},
3001 };
3002
3003 /*
3004 * Return length of a command modifier (including optional count).
3005 * Return zero when it's not a modifier.
3006 */
3007 int
3008 modifier_len(cmd)
3009 char_u *cmd;
3010 {
3011 int i, j;
3012 char_u *p = cmd;
3013
3014 if (VIM_ISDIGIT(*cmd))
3015 p = skipwhite(skipdigits(cmd));
3016 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3017 {
3018 for (j = 0; p[j] != NUL; ++j)
3019 if (p[j] != cmdmods[i].name[j])
3020 break;
3021 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3022 && (p == cmd || cmdmods[i].has_count))
3023 return j + (int)(p - cmd);
3024 }
3025 return 0;
3026 }
3027
3028 /*
3029 * Return > 0 if an Ex command "name" exists.
3030 * Return 2 if there is an exact match.
3031 * Return 3 if there is an ambiguous match.
3032 */
3033 int
3034 cmd_exists(name)
3035 char_u *name;
3036 {
3037 exarg_T ea;
3038 int full = FALSE;
3039 int i;
3040 int j;
3041 char_u *p;
3042
3043 /* Check command modifiers. */
3044 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3045 {
3046 for (j = 0; name[j] != NUL; ++j)
3047 if (name[j] != cmdmods[i].name[j])
3048 break;
3049 if (name[j] == NUL && j >= cmdmods[i].minlen)
3050 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3051 }
3052
3053 /* Check built-in commands and user defined commands.
3054 * For ":2match" and ":3match" we need to skip the number. */
3055 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3056 ea.cmdidx = (cmdidx_T)0;
3057 p = find_command(&ea, &full);
3058 if (p == NULL)
3059 return 3;
3060 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3061 return 0;
3062 if (*skipwhite(p) != NUL)
3063 return 0; /* trailing garbage */
3064 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3065 }
3066 #endif
3067
3068 /*
3069 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3070 * we don't need/want deleted. Maybe this could be done better if we didn't
3071 * repeat all this stuff. The only problem is that they may not stay
3072 * perfectly compatible with each other, but then the command line syntax
3073 * probably won't change that much -- webb.
3074 */
3075 char_u *
3076 set_one_cmd_context(xp, buff)
3077 expand_T *xp;
3078 char_u *buff; /* buffer for command string */
3079 {
3080 char_u *p;
3081 char_u *cmd, *arg;
3082 int len = 0;
3083 exarg_T ea;
3084 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3085 int compl = EXPAND_NOTHING;
3086 #endif
3087 #ifdef FEAT_CMDL_COMPL
3088 int delim;
3089 #endif
3090 int forceit = FALSE;
3091 int usefilter = FALSE; /* filter instead of file name */
3092
3093 ExpandInit(xp);
3094 xp->xp_pattern = buff;
3095 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3096 ea.argt = 0;
3097
3098 /*
3099 * 2. skip comment lines and leading space, colons or bars
3100 */
3101 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3102 ;
3103 xp->xp_pattern = cmd;
3104
3105 if (*cmd == NUL)
3106 return NULL;
3107 if (*cmd == '"') /* ignore comment lines */
3108 {
3109 xp->xp_context = EXPAND_NOTHING;
3110 return NULL;
3111 }
3112
3113 /*
3114 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3115 */
3116 cmd = skip_range(cmd, &xp->xp_context);
3117
3118 /*
3119 * 4. parse command
3120 */
3121 xp->xp_pattern = cmd;
3122 if (*cmd == NUL)
3123 return NULL;
3124 if (*cmd == '"')
3125 {
3126 xp->xp_context = EXPAND_NOTHING;
3127 return NULL;
3128 }
3129
3130 if (*cmd == '|' || *cmd == '\n')
3131 return cmd + 1; /* There's another command */
3132
3133 /*
3134 * Isolate the command and search for it in the command table.
3135 * Exceptions:
3136 * - the 'k' command can directly be followed by any character, but
3137 * do accept "keepmarks", "keepalt" and "keepjumps".
3138 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3139 */
3140 if (*cmd == 'k' && cmd[1] != 'e')
3141 {
3142 ea.cmdidx = CMD_k;
3143 p = cmd + 1;
3144 }
3145 else
3146 {
3147 p = cmd;
3148 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3149 ++p;
3150 /* check for non-alpha command */
3151 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3152 ++p;
3153 len = (int)(p - cmd);
3154
3155 if (len == 0)
3156 {
3157 xp->xp_context = EXPAND_UNSUCCESSFUL;
3158 return NULL;
3159 }
3160 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3161 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3162 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd,
3163 (size_t)len) == 0)
3164 break;
3165
3166 #ifdef FEAT_USR_CMDS
3167 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3168 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3169 ++p;
3170 #endif
3171 }
3172
3173 /*
3174 * If the cursor is touching the command, and it ends in an alpha-numeric
3175 * character, complete the command name.
3176 */
3177 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3178 return NULL;
3179
3180 if (ea.cmdidx == CMD_SIZE)
3181 {
3182 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3183 {
3184 ea.cmdidx = CMD_substitute;
3185 p = cmd + 1;
3186 }
3187 #ifdef FEAT_USR_CMDS
3188 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3189 {
3190 ea.cmd = cmd;
3191 p = find_ucmd(&ea, p, NULL, xp,
3192 # if defined(FEAT_CMDL_COMPL)
3193 &compl
3194 # else
3195 NULL
3196 # endif
3197 );
3198 if (p == NULL)
3199 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3200 }
3201 #endif
3202 }
3203 if (ea.cmdidx == CMD_SIZE)
3204 {
3205 /* Not still touching the command and it was an illegal one */
3206 xp->xp_context = EXPAND_UNSUCCESSFUL;
3207 return NULL;
3208 }
3209
3210 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3211
3212 if (*p == '!') /* forced commands */
3213 {
3214 forceit = TRUE;
3215 ++p;
3216 }
3217
3218 /*
3219 * 5. parse arguments
3220 */
3221 #ifdef FEAT_USR_CMDS
3222 if (!USER_CMDIDX(ea.cmdidx))
3223 #endif
3224 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3225
3226 arg = skipwhite(p);
3227
3228 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3229 {
3230 if (*arg == '>') /* append */
3231 {
3232 if (*++arg == '>')
3233 ++arg;
3234 arg = skipwhite(arg);
3235 }
3236 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3237 {
3238 ++arg;
3239 usefilter = TRUE;
3240 }
3241 }
3242
3243 if (ea.cmdidx == CMD_read)
3244 {
3245 usefilter = forceit; /* :r! filter if forced */
3246 if (*arg == '!') /* :r !filter */
3247 {
3248 ++arg;
3249 usefilter = TRUE;
3250 }
3251 }
3252
3253 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3254 {
3255 while (*arg == *cmd) /* allow any number of '>' or '<' */
3256 ++arg;
3257 arg = skipwhite(arg);
3258 }
3259
3260 /* Does command allow "+command"? */
3261 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3262 {
3263 /* Check if we're in the +command */
3264 p = arg + 1;
3265 arg = skip_cmd_arg(arg, FALSE);
3266
3267 /* Still touching the command after '+'? */
3268 if (*arg == NUL)
3269 return p;
3270
3271 /* Skip space(s) after +command to get to the real argument */
3272 arg = skipwhite(arg);
3273 }
3274
3275 /*
3276 * Check for '|' to separate commands and '"' to start comments.
3277 * Don't do this for ":read !cmd" and ":write !cmd".
3278 */
3279 if ((ea.argt & TRLBAR) && !usefilter)
3280 {
3281 p = arg;
3282 /* ":redir @" is not the start of a comment */
3283 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3284 p += 2;
3285 while (*p)
3286 {
3287 if (*p == Ctrl_V)
3288 {
3289 if (p[1] != NUL)
3290 ++p;
3291 }
3292 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3293 || *p == '|' || *p == '\n')
3294 {
3295 if (*(p - 1) != '\\')
3296 {
3297 if (*p == '|' || *p == '\n')
3298 return p + 1;
3299 return NULL; /* It's a comment */
3300 }
3301 }
3302 mb_ptr_adv(p);
3303 }
3304 }
3305
3306 /* no arguments allowed */
3307 if (!(ea.argt & EXTRA) && *arg != NUL &&
3308 vim_strchr((char_u *)"|\"", *arg) == NULL)
3309 return NULL;
3310
3311 /* Find start of last argument (argument just before cursor): */
3312 p = buff + STRLEN(buff);
3313 while (p != arg && *p != ' ' && *p != TAB)
3314 p--;
3315 if (*p == ' ' || *p == TAB)
3316 p++;
3317 xp->xp_pattern = p;
3318
3319 if (ea.argt & XFILE)
3320 {
3321 int c;
3322 int in_quote = FALSE;
3323 char_u *bow = NULL; /* Beginning of word */
3324
3325 /*
3326 * Allow spaces within back-quotes to count as part of the argument
3327 * being expanded.
3328 */
3329 xp->xp_pattern = skipwhite(arg);
3330 p = xp->xp_pattern;
3331 while (*p != NUL)
3332 {
3333 #ifdef FEAT_MBYTE
3334 if (has_mbyte)
3335 c = mb_ptr2char(p);
3336 else
3337 #endif
3338 c = *p;
3339 if (c == '\\' && p[1] != NUL)
3340 ++p;
3341 else if (c == '`')
3342 {
3343 if (!in_quote)
3344 {
3345 xp->xp_pattern = p;
3346 bow = p + 1;
3347 }
3348 in_quote = !in_quote;
3349 }
3350 /* An argument can contain just about everything, except
3351 * characters that end the command and white space. */
3352 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3353 #ifdef SPACE_IN_FILENAME
3354 && (!(ea.argt & NOSPC) || usefilter)
3355 #endif
3356 ))
3357 {
3358 len = 0; /* avoid getting stuck when space is in 'isfname' */
3359 while (*p != NUL)
3360 {
3361 #ifdef FEAT_MBYTE
3362 if (has_mbyte)
3363 c = mb_ptr2char(p);
3364 else
3365 #endif
3366 c = *p;
3367 if (c == '`' || vim_isfilec_or_wc(c))
3368 break;
3369 #ifdef FEAT_MBYTE
3370 if (has_mbyte)
3371 len = (*mb_ptr2len)(p);
3372 else
3373 #endif
3374 len = 1;
3375 mb_ptr_adv(p);
3376 }
3377 if (in_quote)
3378 bow = p;
3379 else
3380 xp->xp_pattern = p;
3381 p -= len;
3382 }
3383 mb_ptr_adv(p);
3384 }
3385
3386 /*
3387 * If we are still inside the quotes, and we passed a space, just
3388 * expand from there.
3389 */
3390 if (bow != NULL && in_quote)
3391 xp->xp_pattern = bow;
3392 xp->xp_context = EXPAND_FILES;
3393
3394 #ifndef BACKSLASH_IN_FILENAME
3395 /* For a shell command more chars need to be escaped. */
3396 if (usefilter || ea.cmdidx == CMD_bang)
3397 {
3398 xp->xp_shell = TRUE;
3399
3400 /* When still after the command name expand executables. */
3401 if (xp->xp_pattern == skipwhite(arg))
3402 xp->xp_context = EXPAND_SHELLCMD;
3403 }
3404 #endif
3405
3406 /* Check for environment variable */
3407 if (*xp->xp_pattern == '$'
3408 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3409 || *xp->xp_pattern == '%'
3410 #endif
3411 )
3412 {
3413 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3414 if (!vim_isIDc(*p))
3415 break;
3416 if (*p == NUL)
3417 {
3418 xp->xp_context = EXPAND_ENV_VARS;
3419 ++xp->xp_pattern;
3420 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3421 /* Avoid that the assignment uses EXPAND_FILES again. */
3422 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3423 compl = EXPAND_ENV_VARS;
3424 #endif
3425 }
3426 }
3427 }
3428
3429 /*
3430 * 6. switch on command name
3431 */
3432 switch (ea.cmdidx)
3433 {
3434 case CMD_cd:
3435 case CMD_chdir:
3436 case CMD_lcd:
3437 case CMD_lchdir:
3438 if (xp->xp_context == EXPAND_FILES)
3439 xp->xp_context = EXPAND_DIRECTORIES;
3440 break;
3441 case CMD_help:
3442 xp->xp_context = EXPAND_HELP;
3443 xp->xp_pattern = arg;
3444 break;
3445
3446 /* Command modifiers: return the argument.
3447 * Also for commands with an argument that is a command. */
3448 case CMD_aboveleft:
3449 case CMD_argdo:
3450 case CMD_belowright:
3451 case CMD_botright:
3452 case CMD_browse:
3453 case CMD_bufdo:
3454 case CMD_confirm:
3455 case CMD_debug:
3456 case CMD_folddoclosed:
3457 case CMD_folddoopen:
3458 case CMD_hide:
3459 case CMD_keepalt:
3460 case CMD_keepjumps:
3461 case CMD_keepmarks:
3462 case CMD_leftabove:
3463 case CMD_lockmarks:
3464 case CMD_rightbelow:
3465 case CMD_sandbox:
3466 case CMD_silent:
3467 case CMD_tab:
3468 case CMD_topleft:
3469 case CMD_verbose:
3470 case CMD_vertical:
3471 case CMD_windo:
3472 return arg;
3473
3474 #ifdef FEAT_CMDL_COMPL
3475 # ifdef FEAT_SEARCH_EXTRA
3476 case CMD_match:
3477 if (*arg == NUL || !ends_excmd(*arg))
3478 {
3479 /* also complete "None" */
3480 set_context_in_echohl_cmd(xp, arg);
3481 arg = skipwhite(skiptowhite(arg));
3482 if (*arg != NUL)
3483 {
3484 xp->xp_context = EXPAND_NOTHING;
3485 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3486 }
3487 }
3488 return find_nextcmd(arg);
3489 # endif
3490
3491 /*
3492 * All completion for the +cmdline_compl feature goes here.
3493 */
3494
3495 # ifdef FEAT_USR_CMDS
3496 case CMD_command:
3497 /* Check for attributes */
3498 while (*arg == '-')
3499 {
3500 arg++; /* Skip "-" */
3501 p = skiptowhite(arg);
3502 if (*p == NUL)
3503 {
3504 /* Cursor is still in the attribute */
3505 p = vim_strchr(arg, '=');
3506 if (p == NULL)
3507 {
3508 /* No "=", so complete attribute names */
3509 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3510 xp->xp_pattern = arg;
3511 return NULL;
3512 }
3513
3514 /* For the -complete and -nargs attributes, we complete
3515 * their arguments as well.
3516 */
3517 if (STRNICMP(arg, "complete", p - arg) == 0)
3518 {
3519 xp->xp_context = EXPAND_USER_COMPLETE;
3520 xp->xp_pattern = p + 1;
3521 return NULL;
3522 }
3523 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3524 {
3525 xp->xp_context = EXPAND_USER_NARGS;
3526 xp->xp_pattern = p + 1;
3527 return NULL;
3528 }
3529 return NULL;
3530 }
3531 arg = skipwhite(p);
3532 }
3533
3534 /* After the attributes comes the new command name */
3535 p = skiptowhite(arg);
3536 if (*p == NUL)
3537 {
3538 xp->xp_context = EXPAND_USER_COMMANDS;
3539 xp->xp_pattern = arg;
3540 break;
3541 }
3542
3543 /* And finally comes a normal command */
3544 return skipwhite(p);
3545
3546 case CMD_delcommand:
3547 xp->xp_context = EXPAND_USER_COMMANDS;
3548 xp->xp_pattern = arg;
3549 break;
3550 # endif
3551
3552 case CMD_global:
3553 case CMD_vglobal:
3554 delim = *arg; /* get the delimiter */
3555 if (delim)
3556 ++arg; /* skip delimiter if there is one */
3557
3558 while (arg[0] != NUL && arg[0] != delim)
3559 {
3560 if (arg[0] == '\\' && arg[1] != NUL)
3561 ++arg;
3562 ++arg;
3563 }
3564 if (arg[0] != NUL)
3565 return arg + 1;
3566 break;
3567 case CMD_and:
3568 case CMD_substitute:
3569 delim = *arg;
3570 if (delim)
3571 {
3572 /* skip "from" part */
3573 ++arg;
3574 arg = skip_regexp(arg, delim, p_magic, NULL);
3575 }
3576 /* skip "to" part */
3577 while (arg[0] != NUL && arg[0] != delim)
3578 {
3579 if (arg[0] == '\\' && arg[1] != NUL)
3580 ++arg;
3581 ++arg;
3582 }
3583 if (arg[0] != NUL) /* skip delimiter */
3584 ++arg;
3585 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3586 ++arg;
3587 if (arg[0] != NUL)
3588 return arg;
3589 break;
3590 case CMD_isearch:
3591 case CMD_dsearch:
3592 case CMD_ilist:
3593 case CMD_dlist:
3594 case CMD_ijump:
3595 case CMD_psearch:
3596 case CMD_djump:
3597 case CMD_isplit:
3598 case CMD_dsplit:
3599 arg = skipwhite(skipdigits(arg)); /* skip count */
3600 if (*arg == '/') /* Match regexp, not just whole words */
3601 {
3602 for (++arg; *arg && *arg != '/'; arg++)
3603 if (*arg == '\\' && arg[1] != NUL)
3604 arg++;
3605 if (*arg)
3606 {
3607 arg = skipwhite(arg + 1);
3608
3609 /* Check for trailing illegal characters */
3610 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3611 xp->xp_context = EXPAND_NOTHING;
3612 else
3613 return arg;
3614 }
3615 }
3616 break;
3617 #ifdef FEAT_AUTOCMD
3618 case CMD_autocmd:
3619 return set_context_in_autocmd(xp, arg, FALSE);
3620
3621 case CMD_doautocmd:
3622 case CMD_doautoall:
3623 return set_context_in_autocmd(xp, arg, TRUE);
3624 #endif
3625 case CMD_set:
3626 set_context_in_set_cmd(xp, arg, 0);
3627 break;
3628 case CMD_setglobal:
3629 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3630 break;
3631 case CMD_setlocal:
3632 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3633 break;
3634 case CMD_tag:
3635 case CMD_stag:
3636 case CMD_ptag:
3637 case CMD_ltag:
3638 case CMD_tselect:
3639 case CMD_stselect:
3640 case CMD_ptselect:
3641 case CMD_tjump:
3642 case CMD_stjump:
3643 case CMD_ptjump:
3644 if (*p_wop != NUL)
3645 xp->xp_context = EXPAND_TAGS_LISTFILES;
3646 else
3647 xp->xp_context = EXPAND_TAGS;
3648 xp->xp_pattern = arg;
3649 break;
3650 case CMD_augroup:
3651 xp->xp_context = EXPAND_AUGROUP;
3652 xp->xp_pattern = arg;
3653 break;
3654 #ifdef FEAT_SYN_HL
3655 case CMD_syntax:
3656 set_context_in_syntax_cmd(xp, arg);
3657 break;
3658 #endif
3659 #ifdef FEAT_EVAL
3660 case CMD_let:
3661 case CMD_if:
3662 case CMD_elseif:
3663 case CMD_while:
3664 case CMD_for:
3665 case CMD_echo:
3666 case CMD_echon:
3667 case CMD_execute:
3668 case CMD_echomsg:
3669 case CMD_echoerr:
3670 case CMD_call:
3671 case CMD_return:
3672 set_context_for_expression(xp, arg, ea.cmdidx);
3673 break;
3674
3675 case CMD_unlet:
3676 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3677 arg = xp->xp_pattern + 1;
3678 xp->xp_context = EXPAND_USER_VARS;
3679 xp->xp_pattern = arg;
3680 break;
3681
3682 case CMD_function:
3683 case CMD_delfunction:
3684 xp->xp_context = EXPAND_USER_FUNC;
3685 xp->xp_pattern = arg;
3686 break;
3687
3688 case CMD_echohl:
3689 set_context_in_echohl_cmd(xp, arg);
3690 break;
3691 #endif
3692 case CMD_highlight:
3693 set_context_in_highlight_cmd(xp, arg);
3694 break;
3695 #ifdef FEAT_CSCOPE
3696 case CMD_cscope:
3697 case CMD_lcscope:
3698 case CMD_scscope:
3699 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3700 break;
3701 #endif
3702 #ifdef FEAT_SIGNS
3703 case CMD_sign:
3704 set_context_in_sign_cmd(xp, arg);
3705 break;
3706 #endif
3707 #ifdef FEAT_LISTCMDS
3708 case CMD_bdelete:
3709 case CMD_bwipeout:
3710 case CMD_bunload:
3711 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3712 arg = xp->xp_pattern + 1;
3713 /*FALLTHROUGH*/
3714 case CMD_buffer:
3715 case CMD_sbuffer:
3716 case CMD_checktime:
3717 xp->xp_context = EXPAND_BUFFERS;
3718 xp->xp_pattern = arg;
3719 break;
3720 #endif
3721 #ifdef FEAT_USR_CMDS
3722 case CMD_USER:
3723 case CMD_USER_BUF:
3724 if (compl != EXPAND_NOTHING)
3725 {
3726 /* XFILE: file names are handled above */
3727 if (!(ea.argt & XFILE))
3728 {
3729 # ifdef FEAT_MENU
3730 if (compl == EXPAND_MENUS)
3731 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3732 # endif
3733 if (compl == EXPAND_COMMANDS)
3734 return arg;
3735 if (compl == EXPAND_MAPPINGS)
3736 return set_context_in_map_cmd(xp, (char_u *)"map",
3737 arg, forceit, FALSE, FALSE, CMD_map);
3738 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3739 arg = xp->xp_pattern + 1;
3740 xp->xp_pattern = arg;
3741 }
3742 xp->xp_context = compl;
3743 }
3744 break;
3745 #endif
3746 case CMD_map: case CMD_noremap:
3747 case CMD_nmap: case CMD_nnoremap:
3748 case CMD_vmap: case CMD_vnoremap:
3749 case CMD_omap: case CMD_onoremap:
3750 case CMD_imap: case CMD_inoremap:
3751 case CMD_cmap: case CMD_cnoremap:
3752 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3753 FALSE, FALSE, ea.cmdidx);
3754 case CMD_unmap:
3755 case CMD_nunmap:
3756 case CMD_vunmap:
3757 case CMD_ounmap:
3758 case CMD_iunmap:
3759 case CMD_cunmap:
3760 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3761 FALSE, TRUE, ea.cmdidx);
3762 case CMD_abbreviate: case CMD_noreabbrev:
3763 case CMD_cabbrev: case CMD_cnoreabbrev:
3764 case CMD_iabbrev: case CMD_inoreabbrev:
3765 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3766 TRUE, FALSE, ea.cmdidx);
3767 case CMD_unabbreviate:
3768 case CMD_cunabbrev:
3769 case CMD_iunabbrev:
3770 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3771 TRUE, TRUE, ea.cmdidx);
3772 #ifdef FEAT_MENU
3773 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3774 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3775 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3776 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3777 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3778 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3779 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3780 case CMD_tmenu: case CMD_tunmenu:
3781 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3782 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3783 #endif
3784
3785 case CMD_colorscheme:
3786 xp->xp_context = EXPAND_COLORS;
3787 xp->xp_pattern = arg;
3788 break;
3789
3790 case CMD_compiler:
3791 xp->xp_context = EXPAND_COMPILER;
3792 xp->xp_pattern = arg;
3793 break;
3794
3795 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3796 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3797 case CMD_language:
3798 if (*skiptowhite(arg) == NUL)
3799 {
3800 xp->xp_context = EXPAND_LANGUAGE;
3801 xp->xp_pattern = arg;
3802 }
3803 else
3804 xp->xp_context = EXPAND_NOTHING;
3805 break;
3806 #endif
3807 #if defined(FEAT_PROFILE)
3808 case CMD_profile:
3809 set_context_in_profile_cmd(xp, arg);
3810 break;
3811 #endif
3812 case CMD_behave:
3813 xp->xp_context = EXPAND_BEHAVE;
3814 break;
3815
3816 #endif /* FEAT_CMDL_COMPL */
3817
3818 default:
3819 break;
3820 }
3821 return NULL;
3822 }
3823
3824 /*
3825 * skip a range specifier of the form: addr [,addr] [;addr] ..
3826 *
3827 * Backslashed delimiters after / or ? will be skipped, and commands will
3828 * not be expanded between /'s and ?'s or after "'".
3829 *
3830 * Also skip white space and ":" characters.
3831 * Returns the "cmd" pointer advanced to beyond the range.
3832 */
3833 char_u *
3834 skip_range(cmd, ctx)
3835 char_u *cmd;
3836 int *ctx; /* pointer to xp_context or NULL */
3837 {
3838 unsigned delim;
3839
3840 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3841 {
3842 if (*cmd == '\'')
3843 {
3844 if (*++cmd == NUL && ctx != NULL)
3845 *ctx = EXPAND_NOTHING;
3846 }
3847 else if (*cmd == '/' || *cmd == '?')
3848 {
3849 delim = *cmd++;
3850 while (*cmd != NUL && *cmd != delim)
3851 if (*cmd++ == '\\' && *cmd != NUL)
3852 ++cmd;
3853 if (*cmd == NUL && ctx != NULL)
3854 *ctx = EXPAND_NOTHING;
3855 }
3856 if (*cmd != NUL)
3857 ++cmd;
3858 }
3859
3860 /* Skip ":" and white space. */
3861 while (*cmd == ':')
3862 cmd = skipwhite(cmd + 1);
3863
3864 return cmd;
3865 }
3866
3867 /*
3868 * get a single EX address
3869 *
3870 * Set ptr to the next character after the part that was interpreted.
3871 * Set ptr to NULL when an error is encountered.
3872 *
3873 * Return MAXLNUM when no Ex address was found.
3874 */
3875 static linenr_T
3876 get_address(ptr, skip, to_other_file)
3877 char_u **ptr;
3878 int skip; /* only skip the address, don't use it */
3879 int to_other_file; /* flag: may jump to other file */
3880 {
3881 int c;
3882 int i;
3883 long n;
3884 char_u *cmd;
3885 pos_T pos;
3886 pos_T *fp;
3887 linenr_T lnum;
3888
3889 cmd = skipwhite(*ptr);
3890 lnum = MAXLNUM;
3891 do
3892 {
3893 switch (*cmd)
3894 {
3895 case '.': /* '.' - Cursor position */
3896 ++cmd;
3897 lnum = curwin->w_cursor.lnum;
3898 break;
3899
3900 case '$': /* '$' - last line */
3901 ++cmd;
3902 lnum = curbuf->b_ml.ml_line_count;
3903 break;
3904
3905 case '\'': /* ''' - mark */
3906 if (*++cmd == NUL)
3907 {
3908 cmd = NULL;
3909 goto error;
3910 }
3911 if (skip)
3912 ++cmd;
3913 else
3914 {
3915 /* Only accept a mark in another file when it is
3916 * used by itself: ":'M". */
3917 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3918 ++cmd;
3919 if (fp == (pos_T *)-1)
3920 /* Jumped to another file. */
3921 lnum = curwin->w_cursor.lnum;
3922 else
3923 {
3924 if (check_mark(fp) == FAIL)
3925 {
3926 cmd = NULL;
3927 goto error;
3928 }
3929 lnum = fp->lnum;
3930 }
3931 }
3932 break;
3933
3934 case '/':
3935 case '?': /* '/' or '?' - search */
3936 c = *cmd++;
3937 if (skip) /* skip "/pat/" */
3938 {
3939 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3940 if (*cmd == c)
3941 ++cmd;
3942 }
3943 else
3944 {
3945 pos = curwin->w_cursor; /* save curwin->w_cursor */
3946 /*
3947 * When '/' or '?' follows another address, start
3948 * from there.
3949 */
3950 if (lnum != MAXLNUM)
3951 curwin->w_cursor.lnum = lnum;
3952 /*
3953 * Start a forward search at the end of the line.
3954 * Start a backward search at the start of the line.
3955 * This makes sure we never match in the current
3956 * line, and can match anywhere in the
3957 * next/previous line.
3958 */
3959 if (c == '/')
3960 curwin->w_cursor.col = MAXCOL;
3961 else
3962 curwin->w_cursor.col = 0;
3963 searchcmdlen = 0;
3964 if (!do_search(NULL, c, cmd, 1L,
3965 SEARCH_HIS | SEARCH_MSG, NULL))
3966 {
3967 curwin->w_cursor = pos;
3968 cmd = NULL;
3969 goto error;
3970 }
3971 lnum = curwin->w_cursor.lnum;
3972 curwin->w_cursor = pos;
3973 /* adjust command string pointer */
3974 cmd += searchcmdlen;
3975 }
3976 break;
3977
3978 case '\\': /* "\?", "\/" or "\&", repeat search */
3979 ++cmd;
3980 if (*cmd == '&')
3981 i = RE_SUBST;
3982 else if (*cmd == '?' || *cmd == '/')
3983 i = RE_SEARCH;
3984 else
3985 {
3986 EMSG(_(e_backslash));
3987 cmd = NULL;
3988 goto error;
3989 }
3990
3991 if (!skip)
3992 {
3993 /*
3994 * When search follows another address, start from
3995 * there.
3996 */
3997 if (lnum != MAXLNUM)
3998 pos.lnum = lnum;
3999 else
4000 pos.lnum = curwin->w_cursor.lnum;
4001
4002 /*
4003 * Start the search just like for the above
4004 * do_search().
4005 */
4006 if (*cmd != '?')
4007 pos.col = MAXCOL;
4008 else
4009 pos.col = 0;
4010 if (searchit(curwin, curbuf, &pos,
4011 *cmd == '?' ? BACKWARD : FORWARD,
4012 (char_u *)"", 1L, SEARCH_MSG,
4013 i, (linenr_T)0, NULL) != FAIL)
4014 lnum = pos.lnum;
4015 else
4016 {
4017 cmd = NULL;
4018 goto error;
4019 }
4020 }
4021 ++cmd;
4022 break;
4023
4024 default:
4025 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4026 lnum = getdigits(&cmd);
4027 }
4028
4029 for (;;)
4030 {
4031 cmd = skipwhite(cmd);
4032 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4033 break;
4034
4035 if (lnum == MAXLNUM)
4036 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4037 if (VIM_ISDIGIT(*cmd))
4038 i = '+'; /* "number" is same as "+number" */
4039 else
4040 i = *cmd++;
4041 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4042 n = 1;
4043 else
4044 n = getdigits(&cmd);
4045 if (i == '-')
4046 lnum -= n;
4047 else
4048 lnum += n;
4049 }
4050 } while (*cmd == '/' || *cmd == '?');
4051
4052 error:
4053 *ptr = cmd;
4054 return lnum;
4055 }
4056
4057 /*
4058 * Get flags from an Ex command argument.
4059 */
4060 static void
4061 get_flags(eap)
4062 exarg_T *eap;
4063 {
4064 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4065 {
4066 if (*eap->arg == 'l')
4067 eap->flags |= EXFLAG_LIST;
4068 else if (*eap->arg == 'p')
4069 eap->flags |= EXFLAG_PRINT;
4070 else
4071 eap->flags |= EXFLAG_NR;
4072 eap->arg = skipwhite(eap->arg + 1);
4073 }
4074 }
4075
4076 /*
4077 * Function called for command which is Not Implemented. NI!
4078 */
4079 void
4080 ex_ni(eap)
4081 exarg_T *eap;
4082 {
4083 if (!eap->skip)
4084 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4085 }
4086
4087 #ifdef HAVE_EX_SCRIPT_NI
4088 /*
4089 * Function called for script command which is Not Implemented. NI!
4090 * Skips over ":perl <<EOF" constructs.
4091 */
4092 static void
4093 ex_script_ni(eap)
4094 exarg_T *eap;
4095 {
4096 if (!eap->skip)
4097 ex_ni(eap);
4098 else
4099 vim_free(script_get(eap, eap->arg));
4100 }
4101 #endif
4102
4103 /*
4104 * Check range in Ex command for validity.
4105 * Return NULL when valid, error message when invalid.
4106 */
4107 static char_u *
4108 invalid_range(eap)
4109 exarg_T *eap;
4110 {
4111 if ( eap->line1 < 0
4112 || eap->line2 < 0
4113 || eap->line1 > eap->line2
4114 || ((eap->argt & RANGE)
4115 && !(eap->argt & NOTADR)
4116 && eap->line2 > curbuf->b_ml.ml_line_count
4117 #ifdef FEAT_DIFF
4118 + (eap->cmdidx == CMD_diffget)
4119 #endif
4120 ))
4121 return (char_u *)_(e_invrange);
4122 return NULL;
4123 }
4124
4125 /*
4126 * Correct the range for zero line number, if required.
4127 */
4128 static void
4129 correct_range(eap)
4130 exarg_T *eap;
4131 {
4132 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4133 {
4134 if (eap->line1 == 0)
4135 eap->line1 = 1;
4136 if (eap->line2 == 0)
4137 eap->line2 = 1;
4138 }
4139 }
4140
4141 #ifdef FEAT_QUICKFIX
4142 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4143
4144 /*
4145 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4146 * pattern. Otherwise return eap->arg.
4147 */
4148 static char_u *
4149 skip_grep_pat(eap)
4150 exarg_T *eap;
4151 {
4152 char_u *p = eap->arg;
4153
4154 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4155 || eap->cmdidx == CMD_vimgrepadd
4156 || eap->cmdidx == CMD_lvimgrepadd
4157 || grep_internal(eap->cmdidx)))
4158 {
4159 p = skip_vimgrep_pat(p, NULL, NULL);
4160 if (p == NULL)
4161 p = eap->arg;
4162 }
4163 return p;
4164 }
4165
4166 /*
4167 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4168 * in the command line, so that things like % get expanded.
4169 */
4170 static char_u *
4171 replace_makeprg(eap, p, cmdlinep)
4172 exarg_T *eap;
4173 char_u *p;
4174 char_u **cmdlinep;
4175 {
4176 char_u *new_cmdline;
4177 char_u *program;
4178 char_u *pos;
4179 char_u *ptr;
4180 int len;
4181 int i;
4182
4183 /*
4184 * Don't do it when ":vimgrep" is used for ":grep".
4185 */
4186 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4187 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4188 || eap->cmdidx == CMD_grepadd
4189 || eap->cmdidx == CMD_lgrepadd)
4190 && !grep_internal(eap->cmdidx))
4191 {
4192 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4193 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4194 {
4195 if (*curbuf->b_p_gp == NUL)
4196 program = p_gp;
4197 else
4198 program = curbuf->b_p_gp;
4199 }
4200 else
4201 {
4202 if (*curbuf->b_p_mp == NUL)
4203 program = p_mp;
4204 else
4205 program = curbuf->b_p_mp;
4206 }
4207
4208 p = skipwhite(p);
4209
4210 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4211 {
4212 /* replace $* by given arguments */
4213 i = 1;
4214 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4215 ++i;
4216 len = (int)STRLEN(p);
4217 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4218 if (new_cmdline == NULL)
4219 return NULL; /* out of memory */
4220 ptr = new_cmdline;
4221 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4222 {
4223 i = (int)(pos - program);
4224 STRNCPY(ptr, program, i);
4225 STRCPY(ptr += i, p);
4226 ptr += len;
4227 program = pos + 2;
4228 }
4229 STRCPY(ptr, program);
4230 }
4231 else
4232 {
4233 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4234 if (new_cmdline == NULL)
4235 return NULL; /* out of memory */
4236 STRCPY(new_cmdline, program);
4237 STRCAT(new_cmdline, " ");
4238 STRCAT(new_cmdline, p);
4239 }
4240 msg_make(p);
4241
4242 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4243 vim_free(*cmdlinep);
4244 *cmdlinep = new_cmdline;
4245 p = new_cmdline;
4246 }
4247 return p;
4248 }
4249 #endif
4250
4251 /*
4252 * Expand file name in Ex command argument.
4253 * Return FAIL for failure, OK otherwise.
4254 */
4255 int
4256 expand_filename(eap, cmdlinep, errormsgp)
4257 exarg_T *eap;
4258 char_u **cmdlinep;
4259 char_u **errormsgp;
4260 {
4261 int has_wildcards; /* need to expand wildcards */
4262 char_u *repl;
4263 int srclen;
4264 char_u *p;
4265 int n;
4266 int escaped;
4267
4268 #ifdef FEAT_QUICKFIX
4269 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4270 p = skip_grep_pat(eap);
4271 #else
4272 p = eap->arg;
4273 #endif
4274
4275 /*
4276 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4277 * the file name contains a wildcard it should not cause expanding.
4278 * (it will be expanded anyway if there is a wildcard before replacing).
4279 */
4280 has_wildcards = mch_has_wildcard(p);
4281 while (*p != NUL)
4282 {
4283 #ifdef FEAT_EVAL
4284 /* Skip over `=expr`, wildcards in it are not expanded. */
4285 if (p[0] == '`' && p[1] == '=')
4286 {
4287 p += 2;
4288 (void)skip_expr(&p);
4289 if (*p == '`')
4290 ++p;
4291 continue;
4292 }
4293 #endif
4294 /*
4295 * Quick check if this cannot be the start of a special string.
4296 * Also removes backslash before '%', '#' and '<'.
4297 */
4298 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4299 {
4300 ++p;
4301 continue;
4302 }
4303
4304 /*
4305 * Try to find a match at this position.
4306 */
4307 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4308 errormsgp, &escaped);
4309 if (*errormsgp != NULL) /* error detected */
4310 return FAIL;
4311 if (repl == NULL) /* no match found */
4312 {
4313 p += srclen;
4314 continue;
4315 }
4316
4317 /* Wildcards won't be expanded below, the replacement is taken
4318 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4319 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4320 {
4321 char_u *l = repl;
4322
4323 repl = expand_env_save(repl);
4324 vim_free(l);
4325 }
4326
4327 /* Need to escape white space et al. with a backslash.
4328 * Don't do this for:
4329 * - replacement that already has been escaped: "##"
4330 * - shell commands (may have to use quotes instead).
4331 * - non-unix systems when there is a single argument (spaces don't
4332 * separate arguments then).
4333 */
4334 if (!eap->usefilter
4335 && !escaped
4336 && eap->cmdidx != CMD_bang
4337 && eap->cmdidx != CMD_make
4338 && eap->cmdidx != CMD_lmake
4339 && eap->cmdidx != CMD_grep
4340 && eap->cmdidx != CMD_lgrep
4341 && eap->cmdidx != CMD_grepadd
4342 && eap->cmdidx != CMD_lgrepadd
4343 #ifndef UNIX
4344 && !(eap->argt & NOSPC)
4345 #endif
4346 )
4347 {
4348 char_u *l;
4349 #ifdef BACKSLASH_IN_FILENAME
4350 /* Don't escape a backslash here, because rem_backslash() doesn't
4351 * remove it later. */
4352 static char_u *nobslash = (char_u *)" \t\"|";
4353 # define ESCAPE_CHARS nobslash
4354 #else
4355 # define ESCAPE_CHARS escape_chars
4356 #endif
4357
4358 for (l = repl; *l; ++l)
4359 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4360 {
4361 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4362 if (l != NULL)
4363 {
4364 vim_free(repl);
4365 repl = l;
4366 }
4367 break;
4368 }
4369 }
4370
4371 /* For a shell command a '!' must be escaped. */
4372 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4373 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4374 {
4375 char_u *l;
4376
4377 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4378 if (l != NULL)
4379 {
4380 vim_free(repl);
4381 repl = l;
4382 /* For a sh-like shell escape "!" another time. */
4383 if (strstr((char *)p_sh, "sh") != NULL)
4384 {
4385 l = vim_strsave_escaped(repl, (char_u *)"!");
4386 if (l != NULL)
4387 {
4388 vim_free(repl);
4389 repl = l;
4390 }
4391 }
4392 }
4393 }
4394
4395 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4396 vim_free(repl);
4397 if (p == NULL)
4398 return FAIL;
4399 }
4400
4401 /*
4402 * One file argument: Expand wildcards.
4403 * Don't do this with ":r !command" or ":w !command".
4404 */
4405 if ((eap->argt & NOSPC) && !eap->usefilter)
4406 {
4407 /*
4408 * May do this twice:
4409 * 1. Replace environment variables.
4410 * 2. Replace any other wildcards, remove backslashes.
4411 */
4412 for (n = 1; n <= 2; ++n)
4413 {
4414 if (n == 2)
4415 {
4416 #ifdef UNIX
4417 /*
4418 * Only for Unix we check for more than one file name.
4419 * For other systems spaces are considered to be part
4420 * of the file name.
4421 * Only check here if there is no wildcard, otherwise
4422 * ExpandOne() will check for errors. This allows
4423 * ":e `ls ve*.c`" on Unix.
4424 */
4425 if (!has_wildcards)
4426 for (p = eap->arg; *p; ++p)
4427 {
4428 /* skip escaped characters */
4429 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4430 ++p;
4431 else if (vim_iswhite(*p))
4432 {
4433 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4434 return FAIL;
4435 }
4436 }
4437 #endif
4438
4439 /*
4440 * Halve the number of backslashes (this is Vi compatible).
4441 * For Unix and OS/2, when wildcards are expanded, this is
4442 * done by ExpandOne() below.
4443 */
4444 #if defined(UNIX) || defined(OS2)
4445 if (!has_wildcards)
4446 #endif
4447 backslash_halve(eap->arg);
4448 }
4449
4450 if (has_wildcards)
4451 {
4452 if (n == 1)
4453 {
4454 /*
4455 * First loop: May expand environment variables. This
4456 * can be done much faster with expand_env() than with
4457 * something else (e.g., calling a shell).
4458 * After expanding environment variables, check again
4459 * if there are still wildcards present.
4460 */
4461 if (vim_strchr(eap->arg, '$') != NULL
4462 || vim_strchr(eap->arg, '~') != NULL)
4463 {
4464 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4465 TRUE, TRUE, NULL);
4466 has_wildcards = mch_has_wildcard(NameBuff);
4467 p = NameBuff;
4468 }
4469 else
4470 p = NULL;
4471 }
4472 else /* n == 2 */
4473 {
4474 expand_T xpc;
4475
4476 ExpandInit(&xpc);
4477 xpc.xp_context = EXPAND_FILES;
4478 p = ExpandOne(&xpc, eap->arg, NULL,
4479 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4480 WILD_EXPAND_FREE);
4481 if (p == NULL)
4482 return FAIL;
4483 }
4484 if (p != NULL)
4485 {
4486 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4487 p, cmdlinep);
4488 if (n == 2) /* p came from ExpandOne() */
4489 vim_free(p);
4490 }
4491 }
4492 }
4493 }
4494 return OK;
4495 }
4496
4497 /*
4498 * Replace part of the command line, keeping eap->cmd, eap->arg and
4499 * eap->nextcmd correct.
4500 * "src" points to the part that is to be replaced, of length "srclen".
4501 * "repl" is the replacement string.
4502 * Returns a pointer to the character after the replaced string.
4503 * Returns NULL for failure.
4504 */
4505 static char_u *
4506 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4507 exarg_T *eap;
4508 char_u *src;
4509 int srclen;
4510 char_u *repl;
4511 char_u **cmdlinep;
4512 {
4513 int len;
4514 int i;
4515 char_u *new_cmdline;
4516
4517 /*
4518 * The new command line is build in new_cmdline[].
4519 * First allocate it.
4520 * Careful: a "+cmd" argument may have been NUL terminated.
4521 */
4522 len = (int)STRLEN(repl);
4523 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4524 if (eap->nextcmd != NULL)
4525 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4526 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4527 return NULL; /* out of memory! */
4528
4529 /*
4530 * Copy the stuff before the expanded part.
4531 * Copy the expanded stuff.
4532 * Copy what came after the expanded part.
4533 * Copy the next commands, if there are any.
4534 */
4535 i = (int)(src - *cmdlinep); /* length of part before match */
4536 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4537
4538 mch_memmove(new_cmdline + i, repl, (size_t)len);
4539 i += len; /* remember the end of the string */
4540 STRCPY(new_cmdline + i, src + srclen);
4541 src = new_cmdline + i; /* remember where to continue */
4542
4543 if (eap->nextcmd != NULL) /* append next command */
4544 {
4545 i = (int)STRLEN(new_cmdline) + 1;
4546 STRCPY(new_cmdline + i, eap->nextcmd);
4547 eap->nextcmd = new_cmdline + i;
4548 }
4549 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4550 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4551 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4552 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4553 vim_free(*cmdlinep);
4554 *cmdlinep = new_cmdline;
4555
4556 return src;
4557 }
4558
4559 /*
4560 * Check for '|' to separate commands and '"' to start comments.
4561 */
4562 void
4563 separate_nextcmd(eap)
4564 exarg_T *eap;
4565 {
4566 char_u *p;
4567
4568 #ifdef FEAT_QUICKFIX
4569 p = skip_grep_pat(eap);
4570 #else
4571 p = eap->arg;
4572 #endif
4573
4574 for ( ; *p; mb_ptr_adv(p))
4575 {
4576 if (*p == Ctrl_V)
4577 {
4578 if (eap->argt & (USECTRLV | XFILE))
4579 ++p; /* skip CTRL-V and next char */
4580 else
4581 /* remove CTRL-V and skip next char */
4582 STRMOVE(p, p + 1);
4583 if (*p == NUL) /* stop at NUL after CTRL-V */
4584 break;
4585 }
4586
4587 #ifdef FEAT_EVAL
4588 /* Skip over `=expr` when wildcards are expanded. */
4589 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4590 {
4591 p += 2;
4592 (void)skip_expr(&p);
4593 }
4594 #endif
4595
4596 /* Check for '"': start of comment or '|': next command */
4597 /* :@" and :*" do not start a comment!
4598 * :redir @" doesn't either. */
4599 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4600 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4601 || p != eap->arg)
4602 && (eap->cmdidx != CMD_redir
4603 || p != eap->arg + 1 || p[-1] != '@'))
4604 || *p == '|' || *p == '\n')
4605 {
4606 /*
4607 * We remove the '\' before the '|', unless USECTRLV is used
4608 * AND 'b' is present in 'cpoptions'.
4609 */
4610 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4611 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4612 {
4613 STRMOVE(p - 1, p); /* remove the '\' */
4614 --p;
4615 }
4616 else
4617 {
4618 eap->nextcmd = check_nextcmd(p);
4619 *p = NUL;
4620 break;
4621 }
4622 }
4623 }
4624
4625 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4626 del_trailing_spaces(eap->arg);
4627 }
4628
4629 /*
4630 * get + command from ex argument
4631 */
4632 static char_u *
4633 getargcmd(argp)
4634 char_u **argp;
4635 {
4636 char_u *arg = *argp;
4637 char_u *command = NULL;
4638
4639 if (*arg == '+') /* +[command] */
4640 {
4641 ++arg;
4642 if (vim_isspace(*arg))
4643 command = dollar_command;
4644 else
4645 {
4646 command = arg;
4647 arg = skip_cmd_arg(command, TRUE);
4648 if (*arg != NUL)
4649 *arg++ = NUL; /* terminate command with NUL */
4650 }
4651
4652 arg = skipwhite(arg); /* skip over spaces */
4653 *argp = arg;
4654 }
4655 return command;
4656 }
4657
4658 /*
4659 * Find end of "+command" argument. Skip over "\ " and "\\".
4660 */
4661 static char_u *
4662 skip_cmd_arg(p, rembs)
4663 char_u *p;
4664 int rembs; /* TRUE to halve the number of backslashes */
4665 {
4666 while (*p && !vim_isspace(*p))
4667 {
4668 if (*p == '\\' && p[1] != NUL)
4669 {
4670 if (rembs)
4671 STRMOVE(p, p + 1);
4672 else
4673 ++p;
4674 }
4675 mb_ptr_adv(p);
4676 }
4677 return p;
4678 }
4679
4680 /*
4681 * Get "++opt=arg" argument.
4682 * Return FAIL or OK.
4683 */
4684 static int
4685 getargopt(eap)
4686 exarg_T *eap;
4687 {
4688 char_u *arg = eap->arg + 2;
4689 int *pp = NULL;
4690 #ifdef FEAT_MBYTE
4691 char_u *p;
4692 #endif
4693
4694 /* ":edit ++[no]bin[ary] file" */
4695 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4696 {
4697 if (*arg == 'n')
4698 {
4699 arg += 2;
4700 eap->force_bin = FORCE_NOBIN;
4701 }
4702 else
4703 eap->force_bin = FORCE_BIN;
4704 if (!checkforcmd(&arg, "binary", 3))
4705 return FAIL;
4706 eap->arg = skipwhite(arg);
4707 return OK;
4708 }
4709
4710 /* ":read ++edit file" */
4711 if (STRNCMP(arg, "edit", 4) == 0)
4712 {
4713 eap->read_edit = TRUE;
4714 eap->arg = skipwhite(arg + 4);
4715 return OK;
4716 }
4717
4718 if (STRNCMP(arg, "ff", 2) == 0)
4719 {
4720 arg += 2;
4721 pp = &eap->force_ff;
4722 }
4723 else if (STRNCMP(arg, "fileformat", 10) == 0)
4724 {
4725 arg += 10;
4726 pp = &eap->force_ff;
4727 }
4728 #ifdef FEAT_MBYTE
4729 else if (STRNCMP(arg, "enc", 3) == 0)
4730 {
4731 arg += 3;
4732 pp = &eap->force_enc;
4733 }
4734 else if (STRNCMP(arg, "encoding", 8) == 0)
4735 {
4736 arg += 8;
4737 pp = &eap->force_enc;
4738 }
4739 else if (STRNCMP(arg, "bad", 3) == 0)
4740 {
4741 arg += 3;
4742 pp = &eap->bad_char;
4743 }
4744 #endif
4745
4746 if (pp == NULL || *arg != '=')
4747 return FAIL;
4748
4749 ++arg;
4750 *pp = (int)(arg - eap->cmd);
4751 arg = skip_cmd_arg(arg, FALSE);
4752 eap->arg = skipwhite(arg);
4753 *arg = NUL;
4754
4755 #ifdef FEAT_MBYTE
4756 if (pp == &eap->force_ff)
4757 {
4758 #endif
4759 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4760 return FAIL;
4761 #ifdef FEAT_MBYTE
4762 }
4763 else if (pp == &eap->force_enc)
4764 {
4765 /* Make 'fileencoding' lower case. */
4766 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4767 *p = TOLOWER_ASC(*p);
4768 }
4769 else
4770 {
4771 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4772 * "drop". */
4773 p = eap->cmd + eap->bad_char;
4774 if (STRICMP(p, "keep") == 0)
4775 eap->bad_char = BAD_KEEP;
4776 else if (STRICMP(p, "drop") == 0)
4777 eap->bad_char = BAD_DROP;
4778 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4779 eap->bad_char = *p;
4780 else
4781 return FAIL;
4782 }
4783 #endif
4784
4785 return OK;
4786 }
4787
4788 /*
4789 * ":abbreviate" and friends.
4790 */
4791 static void
4792 ex_abbreviate(eap)
4793 exarg_T *eap;
4794 {
4795 do_exmap(eap, TRUE); /* almost the same as mapping */
4796 }
4797
4798 /*
4799 * ":map" and friends.
4800 */
4801 static void
4802 ex_map(eap)
4803 exarg_T *eap;
4804 {
4805 /*
4806 * If we are sourcing .exrc or .vimrc in current directory we
4807 * print the mappings for security reasons.
4808 */
4809 if (secure)
4810 {
4811 secure = 2;
4812 msg_outtrans(eap->cmd);
4813 msg_putchar('\n');
4814 }
4815 do_exmap(eap, FALSE);
4816 }
4817
4818 /*
4819 * ":unmap" and friends.
4820 */
4821 static void
4822 ex_unmap(eap)
4823 exarg_T *eap;
4824 {
4825 do_exmap(eap, FALSE);
4826 }
4827
4828 /*
4829 * ":mapclear" and friends.
4830 */
4831 static void
4832 ex_mapclear(eap)
4833 exarg_T *eap;
4834 {
4835 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4836 }
4837
4838 /*
4839 * ":abclear" and friends.
4840 */
4841 static void
4842 ex_abclear(eap)
4843 exarg_T *eap;
4844 {
4845 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4846 }
4847
4848 #ifdef FEAT_AUTOCMD
4849 static void
4850 ex_autocmd(eap)
4851 exarg_T *eap;
4852 {
4853 /*
4854 * Disallow auto commands from .exrc and .vimrc in current
4855 * directory for security reasons.
4856 */
4857 if (secure)
4858 {
4859 secure = 2;
4860 eap->errmsg = e_curdir;
4861 }
4862 else if (eap->cmdidx == CMD_autocmd)
4863 do_autocmd(eap->arg, eap->forceit);
4864 else
4865 do_augroup(eap->arg, eap->forceit);
4866 }
4867
4868 /*
4869 * ":doautocmd": Apply the automatic commands to the current buffer.
4870 */
4871 static void
4872 ex_doautocmd(eap)
4873 exarg_T *eap;
4874 {
4875 (void)do_doautocmd(eap->arg, TRUE);
4876 do_modelines(0);
4877 }
4878 #endif
4879
4880 #ifdef FEAT_LISTCMDS
4881 /*
4882 * :[N]bunload[!] [N] [bufname] unload buffer
4883 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4884 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4885 */
4886 static void
4887 ex_bunload(eap)
4888 exarg_T *eap;
4889 {
4890 eap->errmsg = do_bufdel(
4891 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4892 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4893 : DOBUF_UNLOAD, eap->arg,
4894 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4895 }
4896
4897 /*
4898 * :[N]buffer [N] to buffer N
4899 * :[N]sbuffer [N] to buffer N
4900 */
4901 static void
4902 ex_buffer(eap)
4903 exarg_T *eap;
4904 {
4905 if (*eap->arg)
4906 eap->errmsg = e_trailing;
4907 else
4908 {
4909 if (eap->addr_count == 0) /* default is current buffer */
4910 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4911 else
4912 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4913 }
4914 }
4915
4916 /*
4917 * :[N]bmodified [N] to next mod. buffer
4918 * :[N]sbmodified [N] to next mod. buffer
4919 */
4920 static void
4921 ex_bmodified(eap)
4922 exarg_T *eap;
4923 {
4924 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4925 }
4926
4927 /*
4928 * :[N]bnext [N] to next buffer
4929 * :[N]sbnext [N] split and to next buffer
4930 */
4931 static void
4932 ex_bnext(eap)
4933 exarg_T *eap;
4934 {
4935 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4936 }
4937
4938 /*
4939 * :[N]bNext [N] to previous buffer
4940 * :[N]bprevious [N] to previous buffer
4941 * :[N]sbNext [N] split and to previous buffer
4942 * :[N]sbprevious [N] split and to previous buffer
4943 */
4944 static void
4945 ex_bprevious(eap)
4946 exarg_T *eap;
4947 {
4948 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4949 }
4950
4951 /*
4952 * :brewind to first buffer
4953 * :bfirst to first buffer
4954 * :sbrewind split and to first buffer
4955 * :sbfirst split and to first buffer
4956 */
4957 static void
4958 ex_brewind(eap)
4959 exarg_T *eap;
4960 {
4961 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4962 }
4963
4964 /*
4965 * :blast to last buffer
4966 * :sblast split and to last buffer
4967 */
4968 static void
4969 ex_blast(eap)
4970 exarg_T *eap;
4971 {
4972 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4973 }
4974 #endif
4975
4976 int
4977 ends_excmd(c)
4978 int c;
4979 {
4980 return (c == NUL || c == '|' || c == '"' || c == '\n');
4981 }
4982
4983 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4984 || defined(PROTO)
4985 /*
4986 * Return the next command, after the first '|' or '\n'.
4987 * Return NULL if not found.
4988 */
4989 char_u *
4990 find_nextcmd(p)
4991 char_u *p;
4992 {
4993 while (*p != '|' && *p != '\n')
4994 {
4995 if (*p == NUL)
4996 return NULL;
4997 ++p;
4998 }
4999 return (p + 1);
5000 }
5001 #endif
5002
5003 /*
5004 * Check if *p is a separator between Ex commands.
5005 * Return NULL if it isn't, (p + 1) if it is.
5006 */
5007 char_u *
5008 check_nextcmd(p)
5009 char_u *p;
5010 {
5011 p = skipwhite(p);
5012 if (*p == '|' || *p == '\n')
5013 return (p + 1);
5014 else
5015 return NULL;
5016 }
5017
5018 /*
5019 * - if there are more files to edit
5020 * - and this is the last window
5021 * - and forceit not used
5022 * - and not repeated twice on a row
5023 * return FAIL and give error message if 'message' TRUE
5024 * return OK otherwise
5025 */
5026 static int
5027 check_more(message, forceit)
5028 int message; /* when FALSE check only, no messages */
5029 int forceit;
5030 {
5031 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5032
5033 if (!forceit && only_one_window()
5034 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5035 {
5036 if (message)
5037 {
5038 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5039 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5040 {
5041 char_u buff[IOSIZE];
5042
5043 if (n == 1)
5044 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5045 else
5046 vim_snprintf((char *)buff, IOSIZE,
5047 _("%d more files to edit. Quit anyway?"), n);
5048 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5049 return OK;
5050 return FAIL;
5051 }
5052 #endif
5053 if (n == 1)
5054 EMSG(_("E173: 1 more file to edit"));
5055 else
5056 EMSGN(_("E173: %ld more files to edit"), n);
5057 quitmore = 2; /* next try to quit is allowed */
5058 }
5059 return FAIL;
5060 }
5061 return OK;
5062 }
5063
5064 #ifdef FEAT_CMDL_COMPL
5065 /*
5066 * Function given to ExpandGeneric() to obtain the list of command names.
5067 */
5068 char_u *
5069 get_command_name(xp, idx)
5070 expand_T *xp UNUSED;
5071 int idx;
5072 {
5073 if (idx >= (int)CMD_SIZE)
5074 # ifdef FEAT_USR_CMDS
5075 return get_user_command_name(idx);
5076 # else
5077 return NULL;
5078 # endif
5079 return cmdnames[idx].cmd_name;
5080 }
5081 #endif
5082
5083 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5084 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));
5085 static void uc_list __ARGS((char_u *name, size_t name_len));
5086 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5087 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5088 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));
5089
5090 static int
5091 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5092 char_u *name;
5093 size_t name_len;
5094 char_u *rep;
5095 long argt;
5096 long def;
5097 int flags;
5098 int compl;
5099 char_u *compl_arg;
5100 int force;
5101 {
5102 ucmd_T *cmd = NULL;
5103 char_u *p;
5104 int i;
5105 int cmp = 1;
5106 char_u *rep_buf = NULL;
5107 garray_T *gap;
5108
5109 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5110 if (rep_buf == NULL)
5111 {
5112 /* Can't replace termcodes - try using the string as is */
5113 rep_buf = vim_strsave(rep);
5114
5115 /* Give up if out of memory */
5116 if (rep_buf == NULL)
5117 return FAIL;
5118 }
5119
5120 /* get address of growarray: global or in curbuf */
5121 if (flags & UC_BUFFER)
5122 {
5123 gap = &curbuf->b_ucmds;
5124 if (gap->ga_itemsize == 0)
5125 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5126 }
5127 else
5128 gap = &ucmds;
5129
5130 /* Search for the command in the already defined commands. */
5131 for (i = 0; i < gap->ga_len; ++i)
5132 {
5133 size_t len;
5134
5135 cmd = USER_CMD_GA(gap, i);
5136 len = STRLEN(cmd->uc_name);
5137 cmp = STRNCMP(name, cmd->uc_name, name_len);
5138 if (cmp == 0)
5139 {
5140 if (name_len < len)
5141 cmp = -1;
5142 else if (name_len > len)
5143 cmp = 1;
5144 }
5145
5146 if (cmp == 0)
5147 {
5148 if (!force)
5149 {
5150 EMSG(_("E174: Command already exists: add ! to replace it"));
5151 goto fail;
5152 }
5153
5154 vim_free(cmd->uc_rep);
5155 cmd->uc_rep = NULL;
5156 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5157 vim_free(cmd->uc_compl_arg);
5158 cmd->uc_compl_arg = NULL;
5159 #endif
5160 break;
5161 }
5162
5163 /* Stop as soon as we pass the name to add */
5164 if (cmp < 0)
5165 break;
5166 }
5167
5168 /* Extend the array unless we're replacing an existing command */
5169 if (cmp != 0)
5170 {
5171 if (ga_grow(gap, 1) != OK)
5172 goto fail;
5173 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5174 goto fail;
5175
5176 cmd = USER_CMD_GA(gap, i);
5177 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5178
5179 ++gap->ga_len;
5180
5181 cmd->uc_name = p;
5182 }
5183
5184 cmd->uc_rep = rep_buf;
5185 cmd->uc_argt = argt;
5186 cmd->uc_def = def;
5187 cmd->uc_compl = compl;
5188 #ifdef FEAT_EVAL
5189 cmd->uc_scriptID = current_SID;
5190 # ifdef FEAT_CMDL_COMPL
5191 cmd->uc_compl_arg = compl_arg;
5192 # endif
5193 #endif
5194
5195 return OK;
5196
5197 fail:
5198 vim_free(rep_buf);
5199 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5200 vim_free(compl_arg);
5201 #endif
5202 return FAIL;
5203 }
5204
5205 /*
5206 * List of names for completion for ":command" with the EXPAND_ flag.
5207 * Must be alphabetical for completion.
5208 */
5209 static struct
5210 {
5211 int expand;
5212 char *name;
5213 } command_complete[] =
5214 {
5215 {EXPAND_AUGROUP, "augroup"},
5216 {EXPAND_BUFFERS, "buffer"},
5217 {EXPAND_COMMANDS, "command"},
5218 #if defined(FEAT_CSCOPE)
5219 {EXPAND_CSCOPE, "cscope"},
5220 #endif
5221 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5222 {EXPAND_USER_DEFINED, "custom"},
5223 {EXPAND_USER_LIST, "customlist"},
5224 #endif
5225 {EXPAND_DIRECTORIES, "dir"},
5226 {EXPAND_ENV_VARS, "environment"},
5227 {EXPAND_EVENTS, "event"},
5228 {EXPAND_EXPRESSION, "expression"},
5229 {EXPAND_FILES, "file"},
5230 {EXPAND_FUNCTIONS, "function"},
5231 {EXPAND_HELP, "help"},
5232 {EXPAND_HIGHLIGHT, "highlight"},
5233 {EXPAND_MAPPINGS, "mapping"},
5234 {EXPAND_MENUS, "menu"},
5235 {EXPAND_SETTINGS, "option"},
5236 {EXPAND_SHELLCMD, "shellcmd"},
5237 #if defined(FEAT_SIGNS)
5238 {EXPAND_SIGN, "sign"},
5239 #endif
5240 {EXPAND_TAGS, "tag"},
5241 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5242 {EXPAND_USER_VARS, "var"},
5243 {0, NULL}
5244 };
5245
5246 static void
5247 uc_list(name, name_len)
5248 char_u *name;
5249 size_t name_len;
5250 {
5251 int i, j;
5252 int found = FALSE;
5253 ucmd_T *cmd;
5254 int len;
5255 long a;
5256 garray_T *gap;
5257
5258 gap = &curbuf->b_ucmds;
5259 for (;;)
5260 {
5261 for (i = 0; i < gap->ga_len; ++i)
5262 {
5263 cmd = USER_CMD_GA(gap, i);
5264 a = (long)cmd->uc_argt;
5265
5266 /* Skip commands which don't match the requested prefix */
5267 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5268 continue;
5269
5270 /* Put out the title first time */
5271 if (!found)
5272 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5273 found = TRUE;
5274 msg_putchar('\n');
5275 if (got_int)
5276 break;
5277
5278 /* Special cases */
5279 msg_putchar(a & BANG ? '!' : ' ');
5280 msg_putchar(a & REGSTR ? '"' : ' ');
5281 msg_putchar(gap != &ucmds ? 'b' : ' ');
5282 msg_putchar(' ');
5283
5284 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5285 len = (int)STRLEN(cmd->uc_name) + 4;
5286
5287 do {
5288 msg_putchar(' ');
5289 ++len;
5290 } while (len < 16);
5291
5292 len = 0;
5293
5294 /* Arguments */
5295 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5296 {
5297 case 0: IObuff[len++] = '0'; break;
5298 case (EXTRA): IObuff[len++] = '*'; break;
5299 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5300 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5301 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5302 }
5303
5304 do {
5305 IObuff[len++] = ' ';
5306 } while (len < 5);
5307
5308 /* Range */
5309 if (a & (RANGE|COUNT))
5310 {
5311 if (a & COUNT)
5312 {
5313 /* -count=N */
5314 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5315 len += (int)STRLEN(IObuff + len);
5316 }
5317 else if (a & DFLALL)
5318 IObuff[len++] = '%';
5319 else if (cmd->uc_def >= 0)
5320 {
5321 /* -range=N */
5322 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5323 len += (int)STRLEN(IObuff + len);
5324 }
5325 else
5326 IObuff[len++] = '.';
5327 }
5328
5329 do {
5330 IObuff[len++] = ' ';
5331 } while (len < 11);
5332
5333 /* Completion */
5334 for (j = 0; command_complete[j].expand != 0; ++j)
5335 if (command_complete[j].expand == cmd->uc_compl)
5336 {
5337 STRCPY(IObuff + len, command_complete[j].name);
5338 len += (int)STRLEN(IObuff + len);
5339 break;
5340 }
5341
5342 do {
5343 IObuff[len++] = ' ';
5344 } while (len < 21);
5345
5346 IObuff[len] = '\0';
5347 msg_outtrans(IObuff);
5348
5349 msg_outtrans_special(cmd->uc_rep, FALSE);
5350 #ifdef FEAT_EVAL
5351 if (p_verbose > 0)
5352 last_set_msg(cmd->uc_scriptID);
5353 #endif
5354 out_flush();
5355 ui_breakcheck();
5356 if (got_int)
5357 break;
5358 }
5359 if (gap == &ucmds || i < gap->ga_len)
5360 break;
5361 gap = &ucmds;
5362 }
5363
5364 if (!found)
5365 MSG(_("No user-defined commands found"));
5366 }
5367
5368 static char_u *
5369 uc_fun_cmd()
5370 {
5371 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5372 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5373 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5374 0xb9, 0x7f, 0};
5375 int i;
5376
5377 for (i = 0; fcmd[i]; ++i)
5378 IObuff[i] = fcmd[i] - 0x40;
5379 IObuff[i] = 0;
5380 return IObuff;
5381 }
5382
5383 static int
5384 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5385 char_u *attr;
5386 size_t len;
5387 long *argt;
5388 long *def;
5389 int *flags;
5390 int *compl;
5391 char_u **compl_arg;
5392 {
5393 char_u *p;
5394
5395 if (len == 0)
5396 {
5397 EMSG(_("E175: No attribute specified"));
5398 return FAIL;
5399 }
5400
5401 /* First, try the simple attributes (no arguments) */
5402 if (STRNICMP(attr, "bang", len) == 0)
5403 *argt |= BANG;
5404 else if (STRNICMP(attr, "buffer", len) == 0)
5405 *flags |= UC_BUFFER;
5406 else if (STRNICMP(attr, "register", len) == 0)
5407 *argt |= REGSTR;
5408 else if (STRNICMP(attr, "bar", len) == 0)
5409 *argt |= TRLBAR;
5410 else
5411 {
5412 int i;
5413 char_u *val = NULL;
5414 size_t vallen = 0;
5415 size_t attrlen = len;
5416
5417 /* Look for the attribute name - which is the part before any '=' */
5418 for (i = 0; i < (int)len; ++i)
5419 {
5420 if (attr[i] == '=')
5421 {
5422 val = &attr[i + 1];
5423 vallen = len - i - 1;
5424 attrlen = i;
5425 break;
5426 }
5427 }
5428
5429 if (STRNICMP(attr, "nargs", attrlen) == 0)
5430 {
5431 if (vallen == 1)
5432 {
5433 if (*val == '0')
5434 /* Do nothing - this is the default */;
5435 else if (*val == '1')
5436 *argt |= (EXTRA | NOSPC | NEEDARG);
5437 else if (*val == '*')
5438 *argt |= EXTRA;
5439 else if (*val == '?')
5440 *argt |= (EXTRA | NOSPC);
5441 else if (*val == '+')
5442 *argt |= (EXTRA | NEEDARG);
5443 else
5444 goto wrong_nargs;
5445 }
5446 else
5447 {
5448 wrong_nargs:
5449 EMSG(_("E176: Invalid number of arguments"));
5450 return FAIL;
5451 }
5452 }
5453 else if (STRNICMP(attr, "range", attrlen) == 0)
5454 {
5455 *argt |= RANGE;
5456 if (vallen == 1 && *val == '%')
5457 *argt |= DFLALL;
5458 else if (val != NULL)
5459 {
5460 p = val;
5461 if (*def >= 0)
5462 {
5463 two_count:
5464 EMSG(_("E177: Count cannot be specified twice"));
5465 return FAIL;
5466 }
5467
5468 *def = getdigits(&p);
5469 *argt |= (ZEROR | NOTADR);
5470
5471 if (p != val + vallen || vallen == 0)
5472 {
5473 invalid_count:
5474 EMSG(_("E178: Invalid default value for count"));
5475 return FAIL;
5476 }
5477 }
5478 }
5479 else if (STRNICMP(attr, "count", attrlen) == 0)
5480 {
5481 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5482
5483 if (val != NULL)
5484 {
5485 p = val;
5486 if (*def >= 0)
5487 goto two_count;
5488
5489 *def = getdigits(&p);
5490
5491 if (p != val + vallen)
5492 goto invalid_count;
5493 }
5494
5495 if (*def < 0)
5496 *def = 0;
5497 }
5498 else if (STRNICMP(attr, "complete", attrlen) == 0)
5499 {
5500 if (val == NULL)
5501 {
5502 EMSG(_("E179: argument required for -complete"));
5503 return FAIL;
5504 }
5505
5506 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5507 == FAIL)
5508 return FAIL;
5509 }
5510 else
5511 {
5512 char_u ch = attr[len];
5513 attr[len] = '\0';
5514 EMSG2(_("E181: Invalid attribute: %s"), attr);
5515 attr[len] = ch;
5516 return FAIL;
5517 }
5518 }
5519
5520 return OK;
5521 }
5522
5523 /*
5524 * ":command ..."
5525 */
5526 static void
5527 ex_command(eap)
5528 exarg_T *eap;
5529 {
5530 char_u *name;
5531 char_u *end;
5532 char_u *p;
5533 long argt = 0;
5534 long def = -1;
5535 int flags = 0;
5536 int compl = EXPAND_NOTHING;
5537 char_u *compl_arg = NULL;
5538 int has_attr = (eap->arg[0] == '-');
5539
5540 p = eap->arg;
5541
5542 /* Check for attributes */
5543 while (*p == '-')
5544 {
5545 ++p;
5546 end = skiptowhite(p);
5547 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5548 == FAIL)
5549 return;
5550 p = skipwhite(end);
5551 }
5552
5553 /* Get the name (if any) and skip to the following argument */
5554 name = p;
5555 if (ASCII_ISALPHA(*p))
5556 while (ASCII_ISALNUM(*p))
5557 ++p;
5558 if (!ends_excmd(*p) && !vim_iswhite(*p))
5559 {
5560 EMSG(_("E182: Invalid command name"));
5561 return;
5562 }
5563 end = p;
5564
5565 /* If there is nothing after the name, and no attributes were specified,
5566 * we are listing commands
5567 */
5568 p = skipwhite(end);
5569 if (!has_attr && ends_excmd(*p))
5570 {
5571 uc_list(name, end - name);
5572 }
5573 else if (!ASCII_ISUPPER(*name))
5574 {
5575 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5576 return;
5577 }
5578 else
5579 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5580 eap->forceit);
5581 }
5582
5583 /*
5584 * ":comclear"
5585 * Clear all user commands, global and for current buffer.
5586 */
5587 void
5588 ex_comclear(eap)
5589 exarg_T *eap UNUSED;
5590 {
5591 uc_clear(&ucmds);
5592 uc_clear(&curbuf->b_ucmds);
5593 }
5594
5595 /*
5596 * Clear all user commands for "gap".
5597 */
5598 void
5599 uc_clear(gap)
5600 garray_T *gap;
5601 {
5602 int i;
5603 ucmd_T *cmd;
5604
5605 for (i = 0; i < gap->ga_len; ++i)
5606 {
5607 cmd = USER_CMD_GA(gap, i);
5608 vim_free(cmd->uc_name);
5609 vim_free(cmd->uc_rep);
5610 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5611 vim_free(cmd->uc_compl_arg);
5612 # endif
5613 }
5614 ga_clear(gap);
5615 }
5616
5617 static void
5618 ex_delcommand(eap)
5619 exarg_T *eap;
5620 {
5621 int i = 0;
5622 ucmd_T *cmd = NULL;
5623 int cmp = -1;
5624 garray_T *gap;
5625
5626 gap = &curbuf->b_ucmds;
5627 for (;;)
5628 {
5629 for (i = 0; i < gap->ga_len; ++i)
5630 {
5631 cmd = USER_CMD_GA(gap, i);
5632 cmp = STRCMP(eap->arg, cmd->uc_name);
5633 if (cmp <= 0)
5634 break;
5635 }
5636 if (gap == &ucmds || cmp == 0)
5637 break;
5638 gap = &ucmds;
5639 }
5640
5641 if (cmp != 0)
5642 {
5643 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5644 return;
5645 }
5646
5647 vim_free(cmd->uc_name);
5648 vim_free(cmd->uc_rep);
5649 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5650 vim_free(cmd->uc_compl_arg);
5651 # endif
5652
5653 --gap->ga_len;
5654
5655 if (i < gap->ga_len)
5656 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5657 }
5658
5659 /*
5660 * split and quote args for <f-args>
5661 */
5662 static char_u *
5663 uc_split_args(arg, lenp)
5664 char_u *arg;
5665 size_t *lenp;
5666 {
5667 char_u *buf;
5668 char_u *p;
5669 char_u *q;
5670 int len;
5671
5672 /* Precalculate length */
5673 p = arg;
5674 len = 2; /* Initial and final quotes */
5675
5676 while (*p)
5677 {
5678 if (p[0] == '\\' && p[1] == '\\')
5679 {
5680 len += 2;
5681 p += 2;
5682 }
5683 else if (p[0] == '\\' && vim_iswhite(p[1]))
5684 {
5685 len += 1;
5686 p += 2;
5687 }
5688 else if (*p == '\\' || *p == '"')
5689 {
5690 len += 2;
5691 p += 1;
5692 }
5693 else if (vim_iswhite(*p))
5694 {
5695 p = skipwhite(p);
5696 if (*p == NUL)
5697 break;
5698 len += 3; /* "," */
5699 }
5700 else
5701 {
5702 ++len;
5703 ++p;
5704 }
5705 }
5706
5707 buf = alloc(len + 1);
5708 if (buf == NULL)
5709 {
5710 *lenp = 0;
5711 return buf;
5712 }
5713
5714 p = arg;
5715 q = buf;
5716 *q++ = '"';
5717 while (*p)
5718 {
5719 if (p[0] == '\\' && p[1] == '\\')
5720 {
5721 *q++ = '\\';
5722 *q++ = '\\';
5723 p += 2;
5724 }
5725 else if (p[0] == '\\' && vim_iswhite(p[1]))
5726 {
5727 *q++ = p[1];
5728 p += 2;
5729 }
5730 else if (*p == '\\' || *p == '"')
5731 {
5732 *q++ = '\\';
5733 *q++ = *p++;
5734 }
5735 else if (vim_iswhite(*p))
5736 {
5737 p = skipwhite(p);
5738 if (*p == NUL)
5739 break;
5740 *q++ = '"';
5741 *q++ = ',';
5742 *q++ = '"';
5743 }
5744 else
5745 {
5746 *q++ = *p++;
5747 }
5748 }
5749 *q++ = '"';
5750 *q = 0;
5751
5752 *lenp = len;
5753 return buf;
5754 }
5755
5756 /*
5757 * Check for a <> code in a user command.
5758 * "code" points to the '<'. "len" the length of the <> (inclusive).
5759 * "buf" is where the result is to be added.
5760 * "split_buf" points to a buffer used for splitting, caller should free it.
5761 * "split_len" is the length of what "split_buf" contains.
5762 * Returns the length of the replacement, which has been added to "buf".
5763 * Returns -1 if there was no match, and only the "<" has been copied.
5764 */
5765 static size_t
5766 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5767 char_u *code;
5768 size_t len;
5769 char_u *buf;
5770 ucmd_T *cmd; /* the user command we're expanding */
5771 exarg_T *eap; /* ex arguments */
5772 char_u **split_buf;
5773 size_t *split_len;
5774 {
5775 size_t result = 0;
5776 char_u *p = code + 1;
5777 size_t l = len - 2;
5778 int quote = 0;
5779 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5780 ct_LT, ct_NONE } type = ct_NONE;
5781
5782 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5783 {
5784 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5785 p += 2;
5786 l -= 2;
5787 }
5788
5789 ++l;
5790 if (l <= 1)
5791 type = ct_NONE;
5792 else if (STRNICMP(p, "args>", l) == 0)
5793 type = ct_ARGS;
5794 else if (STRNICMP(p, "bang>", l) == 0)
5795 type = ct_BANG;
5796 else if (STRNICMP(p, "count>", l) == 0)
5797 type = ct_COUNT;
5798 else if (STRNICMP(p, "line1>", l) == 0)
5799 type = ct_LINE1;
5800 else if (STRNICMP(p, "line2>", l) == 0)
5801 type = ct_LINE2;
5802 else if (STRNICMP(p, "lt>", l) == 0)
5803 type = ct_LT;
5804 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5805 type = ct_REGISTER;
5806
5807 switch (type)
5808 {
5809 case ct_ARGS:
5810 /* Simple case first */
5811 if (*eap->arg == NUL)
5812 {
5813 if (quote == 1)
5814 {
5815 result = 2;
5816 if (buf != NULL)
5817 STRCPY(buf, "''");
5818 }
5819 else
5820 result = 0;
5821 break;
5822 }
5823
5824 /* When specified there is a single argument don't split it.
5825 * Works for ":Cmd %" when % is "a b c". */
5826 if ((eap->argt & NOSPC) && quote == 2)
5827 quote = 1;
5828
5829 switch (quote)
5830 {
5831 case 0: /* No quoting, no splitting */
5832 result = STRLEN(eap->arg);
5833 if (buf != NULL)
5834 STRCPY(buf, eap->arg);
5835 break;
5836 case 1: /* Quote, but don't split */
5837 result = STRLEN(eap->arg) + 2;
5838 for (p = eap->arg; *p; ++p)
5839 {
5840 if (*p == '\\' || *p == '"')
5841 ++result;
5842 }
5843
5844 if (buf != NULL)
5845 {
5846 *buf++ = '"';
5847 for (p = eap->arg; *p; ++p)
5848 {
5849 if (*p == '\\' || *p == '"')
5850 *buf++ = '\\';
5851 *buf++ = *p;
5852 }
5853 *buf = '"';
5854 }
5855
5856 break;
5857 case 2: /* Quote and split (<f-args>) */
5858 /* This is hard, so only do it once, and cache the result */
5859 if (*split_buf == NULL)
5860 *split_buf = uc_split_args(eap->arg, split_len);
5861
5862 result = *split_len;
5863 if (buf != NULL && result != 0)
5864 STRCPY(buf, *split_buf);
5865
5866 break;
5867 }
5868 break;
5869
5870 case ct_BANG:
5871 result = eap->forceit ? 1 : 0;
5872 if (quote)
5873 result += 2;
5874 if (buf != NULL)
5875 {
5876 if (quote)
5877 *buf++ = '"';
5878 if (eap->forceit)
5879 *buf++ = '!';
5880 if (quote)
5881 *buf = '"';
5882 }
5883 break;
5884
5885 case ct_LINE1:
5886 case ct_LINE2:
5887 case ct_COUNT:
5888 {
5889 char num_buf[20];
5890 long num = (type == ct_LINE1) ? eap->line1 :
5891 (type == ct_LINE2) ? eap->line2 :
5892 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5893 size_t num_len;
5894
5895 sprintf(num_buf, "%ld", num);
5896 num_len = STRLEN(num_buf);
5897 result = num_len;
5898
5899 if (quote)
5900 result += 2;
5901
5902 if (buf != NULL)
5903 {
5904 if (quote)
5905 *buf++ = '"';
5906 STRCPY(buf, num_buf);
5907 buf += num_len;
5908 if (quote)
5909 *buf = '"';
5910 }
5911
5912 break;
5913 }
5914
5915 case ct_REGISTER:
5916 result = eap->regname ? 1 : 0;
5917 if (quote)
5918 result += 2;
5919 if (buf != NULL)
5920 {
5921 if (quote)
5922 *buf++ = '\'';
5923 if (eap->regname)
5924 *buf++ = eap->regname;
5925 if (quote)
5926 *buf = '\'';
5927 }
5928 break;
5929
5930 case ct_LT:
5931 result = 1;
5932 if (buf != NULL)
5933 *buf = '<';
5934 break;
5935
5936 default:
5937 /* Not recognized: just copy the '<' and return -1. */
5938 result = (size_t)-1;
5939 if (buf != NULL)
5940 *buf = '<';
5941 break;
5942 }
5943
5944 return result;
5945 }
5946
5947 static void
5948 do_ucmd(eap)
5949 exarg_T *eap;
5950 {
5951 char_u *buf;
5952 char_u *p;
5953 char_u *q;
5954
5955 char_u *start;
5956 char_u *end = NULL;
5957 char_u *ksp;
5958 size_t len, totlen;
5959
5960 size_t split_len = 0;
5961 char_u *split_buf = NULL;
5962 ucmd_T *cmd;
5963 #ifdef FEAT_EVAL
5964 scid_T save_current_SID = current_SID;
5965 #endif
5966
5967 if (eap->cmdidx == CMD_USER)
5968 cmd = USER_CMD(eap->useridx);
5969 else
5970 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5971
5972 /*
5973 * Replace <> in the command by the arguments.
5974 * First round: "buf" is NULL, compute length, allocate "buf".
5975 * Second round: copy result into "buf".
5976 */
5977 buf = NULL;
5978 for (;;)
5979 {
5980 p = cmd->uc_rep; /* source */
5981 q = buf; /* destination */
5982 totlen = 0;
5983
5984 for (;;)
5985 {
5986 start = vim_strchr(p, '<');
5987 if (start != NULL)
5988 end = vim_strchr(start + 1, '>');
5989 if (buf != NULL)
5990 {
5991 ksp = vim_strchr(p, K_SPECIAL);
5992 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5993 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5994 # ifdef FEAT_GUI
5995 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5996 # endif
5997 ))
5998 {
5999 /* K_SPECIAL han been put in the buffer as K_SPECIAL
6000 * KS_SPECIAL KE_FILLER, like for mappings, but
6001 * do_cmdline() doesn't handle that, so convert it back.
6002 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
6003 len = ksp - p;
6004 if (len > 0)
6005 {
6006 mch_memmove(q, p, len);
6007 q += len;
6008 }
6009 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6010 p = ksp + 3;
6011 continue;
6012 }
6013 }
6014
6015 /* break if there no <item> is found */
6016 if (start == NULL || end == NULL)
6017 break;
6018
6019 /* Include the '>' */
6020 ++end;
6021
6022 /* Take everything up to the '<' */
6023 len = start - p;
6024 if (buf == NULL)
6025 totlen += len;
6026 else
6027 {
6028 mch_memmove(q, p, len);
6029 q += len;
6030 }
6031
6032 len = uc_check_code(start, end - start, q, cmd, eap,
6033 &split_buf, &split_len);
6034 if (len == (size_t)-1)
6035 {
6036 /* no match, continue after '<' */
6037 p = start + 1;
6038 len = 1;
6039 }
6040 else
6041 p = end;
6042 if (buf == NULL)
6043 totlen += len;
6044 else
6045 q += len;
6046 }
6047 if (buf != NULL) /* second time here, finished */
6048 {
6049 STRCPY(q, p);
6050 break;
6051 }
6052
6053 totlen += STRLEN(p); /* Add on the trailing characters */
6054 buf = alloc((unsigned)(totlen + 1));
6055 if (buf == NULL)
6056 {
6057 vim_free(split_buf);
6058 return;
6059 }
6060 }
6061
6062 #ifdef FEAT_EVAL
6063 current_SID = cmd->uc_scriptID;
6064 #endif
6065 (void)do_cmdline(buf, eap->getline, eap->cookie,
6066 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6067 #ifdef FEAT_EVAL
6068 current_SID = save_current_SID;
6069 #endif
6070 vim_free(buf);
6071 vim_free(split_buf);
6072 }
6073
6074 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6075 static char_u *
6076 get_user_command_name(idx)
6077 int idx;
6078 {
6079 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6080 }
6081
6082 /*
6083 * Function given to ExpandGeneric() to obtain the list of user command names.
6084 */
6085 char_u *
6086 get_user_commands(xp, idx)
6087 expand_T *xp UNUSED;
6088 int idx;
6089 {
6090 if (idx < curbuf->b_ucmds.ga_len)
6091 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6092 idx -= curbuf->b_ucmds.ga_len;
6093 if (idx < ucmds.ga_len)
6094 return USER_CMD(idx)->uc_name;
6095 return NULL;
6096 }
6097
6098 /*
6099 * Function given to ExpandGeneric() to obtain the list of user command
6100 * attributes.
6101 */
6102 char_u *
6103 get_user_cmd_flags(xp, idx)
6104 expand_T *xp UNUSED;
6105 int idx;
6106 {
6107 static char *user_cmd_flags[] =
6108 {"bang", "bar", "buffer", "complete", "count",
6109 "nargs", "range", "register"};
6110
6111 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6112 return NULL;
6113 return (char_u *)user_cmd_flags[idx];
6114 }
6115
6116 /*
6117 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6118 */
6119 char_u *
6120 get_user_cmd_nargs(xp, idx)
6121 expand_T *xp UNUSED;
6122 int idx;
6123 {
6124 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6125
6126 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6127 return NULL;
6128 return (char_u *)user_cmd_nargs[idx];
6129 }
6130
6131 /*
6132 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6133 */
6134 char_u *
6135 get_user_cmd_complete(xp, idx)
6136 expand_T *xp UNUSED;
6137 int idx;
6138 {
6139 return (char_u *)command_complete[idx].name;
6140 }
6141 # endif /* FEAT_CMDL_COMPL */
6142
6143 #endif /* FEAT_USR_CMDS */
6144
6145 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6146 /*
6147 * Parse a completion argument "value[vallen]".
6148 * The detected completion goes in "*complp", argument type in "*argt".
6149 * When there is an argument, for function and user defined completion, it's
6150 * copied to allocated memory and stored in "*compl_arg".
6151 * Returns FAIL if something is wrong.
6152 */
6153 int
6154 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6155 char_u *value;
6156 int vallen;
6157 int *complp;
6158 long *argt;
6159 char_u **compl_arg;
6160 {
6161 char_u *arg = NULL;
6162 size_t arglen = 0;
6163 int i;
6164 int valend = vallen;
6165
6166 /* Look for any argument part - which is the part after any ',' */
6167 for (i = 0; i < vallen; ++i)
6168 {
6169 if (value[i] == ',')
6170 {
6171 arg = &value[i + 1];
6172 arglen = vallen - i - 1;
6173 valend = i;
6174 break;
6175 }
6176 }
6177
6178 for (i = 0; command_complete[i].expand != 0; ++i)
6179 {
6180 if ((int)STRLEN(command_complete[i].name) == valend
6181 && STRNCMP(value, command_complete[i].name, valend) == 0)
6182 {
6183 *complp = command_complete[i].expand;
6184 if (command_complete[i].expand == EXPAND_BUFFERS)
6185 *argt |= BUFNAME;
6186 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6187 || command_complete[i].expand == EXPAND_FILES)
6188 *argt |= XFILE;
6189 break;
6190 }
6191 }
6192
6193 if (command_complete[i].expand == 0)
6194 {
6195 EMSG2(_("E180: Invalid complete value: %s"), value);
6196 return FAIL;
6197 }
6198
6199 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6200 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6201 && arg != NULL)
6202 # else
6203 if (arg != NULL)
6204 # endif
6205 {
6206 EMSG(_("E468: Completion argument only allowed for custom completion"));
6207 return FAIL;
6208 }
6209
6210 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6211 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6212 && arg == NULL)
6213 {
6214 EMSG(_("E467: Custom completion requires a function argument"));
6215 return FAIL;
6216 }
6217
6218 if (arg != NULL)
6219 *compl_arg = vim_strnsave(arg, (int)arglen);
6220 # endif
6221 return OK;
6222 }
6223 #endif
6224
6225 static void
6226 ex_colorscheme(eap)
6227 exarg_T *eap;
6228 {
6229 if (load_colors(eap->arg) == FAIL)
6230 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6231 }
6232
6233 static void
6234 ex_highlight(eap)
6235 exarg_T *eap;
6236 {
6237 if (*eap->arg == NUL && eap->cmd[2] == '!')
6238 MSG(_("Greetings, Vim user!"));
6239 do_highlight(eap->arg, eap->forceit, FALSE);
6240 }
6241
6242
6243 /*
6244 * Call this function if we thought we were going to exit, but we won't
6245 * (because of an error). May need to restore the terminal mode.
6246 */
6247 void
6248 not_exiting()
6249 {
6250 exiting = FALSE;
6251 settmode(TMODE_RAW);
6252 }
6253
6254 /*
6255 * ":quit": quit current window, quit Vim if closed the last window.
6256 */
6257 static void
6258 ex_quit(eap)
6259 exarg_T *eap;
6260 {
6261 #ifdef FEAT_CMDWIN
6262 if (cmdwin_type != 0)
6263 {
6264 cmdwin_result = Ctrl_C;
6265 return;
6266 }
6267 #endif
6268 /* Don't quit while editing the command line. */
6269 if (text_locked())
6270 {
6271 text_locked_msg();
6272 return;
6273 }
6274 #ifdef FEAT_AUTOCMD
6275 if (curbuf_locked())
6276 return;
6277 #endif
6278
6279 #ifdef FEAT_NETBEANS_INTG
6280 netbeansForcedQuit = eap->forceit;
6281 #endif
6282
6283 /*
6284 * If there are more files or windows we won't exit.
6285 */
6286 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6287 exiting = TRUE;
6288 if ((!P_HID(curbuf)
6289 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6290 || check_more(TRUE, eap->forceit) == FAIL
6291 || (only_one_window() && check_changed_any(eap->forceit)))
6292 {
6293 not_exiting();
6294 }
6295 else
6296 {
6297 #ifdef FEAT_WINDOWS
6298 if (only_one_window()) /* quit last window */
6299 #endif
6300 getout(0);
6301 #ifdef FEAT_WINDOWS
6302 # ifdef FEAT_GUI
6303 need_mouse_correct = TRUE;
6304 # endif
6305 /* close window; may free buffer */
6306 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6307 #endif
6308 }
6309 }
6310
6311 /*
6312 * ":cquit".
6313 */
6314 static void
6315 ex_cquit(eap)
6316 exarg_T *eap UNUSED;
6317 {
6318 getout(1); /* this does not always pass on the exit code to the Manx
6319 compiler. why? */
6320 }
6321
6322 /*
6323 * ":qall": try to quit all windows
6324 */
6325 static void
6326 ex_quit_all(eap)
6327 exarg_T *eap;
6328 {
6329 # ifdef FEAT_CMDWIN
6330 if (cmdwin_type != 0)
6331 {
6332 if (eap->forceit)
6333 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6334 else
6335 cmdwin_result = K_XF2;
6336 return;
6337 }
6338 # endif
6339
6340 /* Don't quit while editing the command line. */
6341 if (text_locked())
6342 {
6343 text_locked_msg();
6344 return;
6345 }
6346 #ifdef FEAT_AUTOCMD
6347 if (curbuf_locked())
6348 return;
6349 #endif
6350
6351 exiting = TRUE;
6352 if (eap->forceit || !check_changed_any(FALSE))
6353 getout(0);
6354 not_exiting();
6355 }
6356
6357 #if defined(FEAT_WINDOWS) || defined(PROTO)
6358 /*
6359 * ":close": close current window, unless it is the last one
6360 */
6361 static void
6362 ex_close(eap)
6363 exarg_T *eap;
6364 {
6365 # ifdef FEAT_CMDWIN
6366 if (cmdwin_type != 0)
6367 cmdwin_result = K_IGNORE;
6368 else
6369 # endif
6370 if (!text_locked()
6371 #ifdef FEAT_AUTOCMD
6372 && !curbuf_locked()
6373 #endif
6374 )
6375 ex_win_close(eap->forceit, curwin, NULL);
6376 }
6377
6378 # ifdef FEAT_QUICKFIX
6379 /*
6380 * ":pclose": Close any preview window.
6381 */
6382 static void
6383 ex_pclose(eap)
6384 exarg_T *eap;
6385 {
6386 win_T *win;
6387
6388 for (win = firstwin; win != NULL; win = win->w_next)
6389 if (win->w_p_pvw)
6390 {
6391 ex_win_close(eap->forceit, win, NULL);
6392 break;
6393 }
6394 }
6395 # endif
6396
6397 /*
6398 * Close window "win" and take care of handling closing the last window for a
6399 * modified buffer.
6400 */
6401 static void
6402 ex_win_close(forceit, win, tp)
6403 int forceit;
6404 win_T *win;
6405 tabpage_T *tp; /* NULL or the tab page "win" is in */
6406 {
6407 int need_hide;
6408 buf_T *buf = win->w_buffer;
6409
6410 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6411 if (need_hide && !P_HID(buf) && !forceit)
6412 {
6413 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6414 if ((p_confirm || cmdmod.confirm) && p_write)
6415 {
6416 dialog_changed(buf, FALSE);
6417 if (buf_valid(buf) && bufIsChanged(buf))
6418 return;
6419 need_hide = FALSE;
6420 }
6421 else
6422 # endif
6423 {
6424 EMSG(_(e_nowrtmsg));
6425 return;
6426 }
6427 }
6428
6429 # ifdef FEAT_GUI
6430 need_mouse_correct = TRUE;
6431 # endif
6432
6433 /* free buffer when not hiding it or when it's a scratch buffer */
6434 if (tp == NULL)
6435 win_close(win, !need_hide && !P_HID(buf));
6436 else
6437 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6438 }
6439
6440 /*
6441 * ":tabclose": close current tab page, unless it is the last one.
6442 * ":tabclose N": close tab page N.
6443 */
6444 static void
6445 ex_tabclose(eap)
6446 exarg_T *eap;
6447 {
6448 tabpage_T *tp;
6449
6450 # ifdef FEAT_CMDWIN
6451 if (cmdwin_type != 0)
6452 cmdwin_result = K_IGNORE;
6453 else
6454 # endif
6455 if (first_tabpage->tp_next == NULL)
6456 EMSG(_("E784: Cannot close last tab page"));
6457 else
6458 {
6459 if (eap->addr_count > 0)
6460 {
6461 tp = find_tabpage((int)eap->line2);
6462 if (tp == NULL)
6463 {
6464 beep_flush();
6465 return;
6466 }
6467 if (tp != curtab)
6468 {
6469 tabpage_close_other(tp, eap->forceit);
6470 return;
6471 }
6472 }
6473 if (!text_locked()
6474 #ifdef FEAT_AUTOCMD
6475 && !curbuf_locked()
6476 #endif
6477 )
6478 tabpage_close(eap->forceit);
6479 }
6480 }
6481
6482 /*
6483 * ":tabonly": close all tab pages except the current one
6484 */
6485 static void
6486 ex_tabonly(eap)
6487 exarg_T *eap;
6488 {
6489 tabpage_T *tp;
6490 int done;
6491
6492 # ifdef FEAT_CMDWIN
6493 if (cmdwin_type != 0)
6494 cmdwin_result = K_IGNORE;
6495 else
6496 # endif
6497 if (first_tabpage->tp_next == NULL)
6498 MSG(_("Already only one tab page"));
6499 else
6500 {
6501 /* Repeat this up to a 1000 times, because autocommands may mess
6502 * up the lists. */
6503 for (done = 0; done < 1000; ++done)
6504 {
6505 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6506 if (tp->tp_topframe != topframe)
6507 {
6508 tabpage_close_other(tp, eap->forceit);
6509 /* if we failed to close it quit */
6510 if (valid_tabpage(tp))
6511 done = 1000;
6512 /* start over, "tp" is now invalid */
6513 break;
6514 }
6515 if (first_tabpage->tp_next == NULL)
6516 break;
6517 }
6518 }
6519 }
6520
6521 /*
6522 * Close the current tab page.
6523 */
6524 void
6525 tabpage_close(forceit)
6526 int forceit;
6527 {
6528 /* First close all the windows but the current one. If that worked then
6529 * close the last window in this tab, that will close it. */
6530 if (lastwin != firstwin)
6531 close_others(TRUE, forceit);
6532 if (lastwin == firstwin)
6533 ex_win_close(forceit, curwin, NULL);
6534 # ifdef FEAT_GUI
6535 need_mouse_correct = TRUE;
6536 # endif
6537 }
6538
6539 /*
6540 * Close tab page "tp", which is not the current tab page.
6541 * Note that autocommands may make "tp" invalid.
6542 * Also takes care of the tab pages line disappearing when closing the
6543 * last-but-one tab page.
6544 */
6545 void
6546 tabpage_close_other(tp, forceit)
6547 tabpage_T *tp;
6548 int forceit;
6549 {
6550 int done = 0;
6551 win_T *wp;
6552 int h = tabline_height();
6553
6554 /* Limit to 1000 windows, autocommands may add a window while we close
6555 * one. OK, so I'm paranoid... */
6556 while (++done < 1000)
6557 {
6558 wp = tp->tp_firstwin;
6559 ex_win_close(forceit, wp, tp);
6560
6561 /* Autocommands may delete the tab page under our fingers and we may
6562 * fail to close a window with a modified buffer. */
6563 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6564 break;
6565 }
6566
6567 redraw_tabline = TRUE;
6568 if (h != tabline_height())
6569 shell_new_rows();
6570 }
6571
6572 /*
6573 * ":only".
6574 */
6575 static void
6576 ex_only(eap)
6577 exarg_T *eap;
6578 {
6579 # ifdef FEAT_GUI
6580 need_mouse_correct = TRUE;
6581 # endif
6582 close_others(TRUE, eap->forceit);
6583 }
6584
6585 /*
6586 * ":all" and ":sall".
6587 * Also used for ":tab drop file ..." after setting the argument list.
6588 */
6589 void
6590 ex_all(eap)
6591 exarg_T *eap;
6592 {
6593 if (eap->addr_count == 0)
6594 eap->line2 = 9999;
6595 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6596 }
6597 #endif /* FEAT_WINDOWS */
6598
6599 static void
6600 ex_hide(eap)
6601 exarg_T *eap;
6602 {
6603 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6604 eap->errmsg = e_invarg;
6605 else
6606 {
6607 /* ":hide" or ":hide | cmd": hide current window */
6608 eap->nextcmd = check_nextcmd(eap->arg);
6609 #ifdef FEAT_WINDOWS
6610 if (!eap->skip)
6611 {
6612 # ifdef FEAT_GUI
6613 need_mouse_correct = TRUE;
6614 # endif
6615 win_close(curwin, FALSE); /* don't free buffer */
6616 }
6617 #endif
6618 }
6619 }
6620
6621 /*
6622 * ":stop" and ":suspend": Suspend Vim.
6623 */
6624 static void
6625 ex_stop(eap)
6626 exarg_T *eap;
6627 {
6628 /*
6629 * Disallow suspending for "rvim".
6630 */
6631 if (!check_restricted()
6632 #ifdef WIN3264
6633 /*
6634 * Check if external commands are allowed now.
6635 */
6636 && can_end_termcap_mode(TRUE)
6637 #endif
6638 )
6639 {
6640 if (!eap->forceit)
6641 autowrite_all();
6642 windgoto((int)Rows - 1, 0);
6643 out_char('\n');
6644 out_flush();
6645 stoptermcap();
6646 out_flush(); /* needed for SUN to restore xterm buffer */
6647 #ifdef FEAT_TITLE
6648 mch_restore_title(3); /* restore window titles */
6649 #endif
6650 ui_suspend(); /* call machine specific function */
6651 #ifdef FEAT_TITLE
6652 maketitle();
6653 resettitle(); /* force updating the title */
6654 #endif
6655 starttermcap();
6656 scroll_start(); /* scroll screen before redrawing */
6657 redraw_later_clear();
6658 shell_resized(); /* may have resized window */
6659 }
6660 }
6661
6662 /*
6663 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6664 */
6665 static void
6666 ex_exit(eap)
6667 exarg_T *eap;
6668 {
6669 #ifdef FEAT_CMDWIN
6670 if (cmdwin_type != 0)
6671 {
6672 cmdwin_result = Ctrl_C;
6673 return;
6674 }
6675 #endif
6676 /* Don't quit while editing the command line. */
6677 if (text_locked())
6678 {
6679 text_locked_msg();
6680 return;
6681 }
6682 #ifdef FEAT_AUTOCMD
6683 if (curbuf_locked())
6684 return;
6685 #endif
6686
6687 /*
6688 * if more files or windows we won't exit
6689 */
6690 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6691 exiting = TRUE;
6692 if ( ((eap->cmdidx == CMD_wq
6693 || curbufIsChanged())
6694 && do_write(eap) == FAIL)
6695 || check_more(TRUE, eap->forceit) == FAIL
6696 || (only_one_window() && check_changed_any(eap->forceit)))
6697 {
6698 not_exiting();
6699 }
6700 else
6701 {
6702 #ifdef FEAT_WINDOWS
6703 if (only_one_window()) /* quit last window, exit Vim */
6704 #endif
6705 getout(0);
6706 #ifdef FEAT_WINDOWS
6707 # ifdef FEAT_GUI
6708 need_mouse_correct = TRUE;
6709 # endif
6710 /* quit current window, may free buffer */
6711 win_close(curwin, !P_HID(curwin->w_buffer));
6712 #endif
6713 }
6714 }
6715
6716 /*
6717 * ":print", ":list", ":number".
6718 */
6719 static void
6720 ex_print(eap)
6721 exarg_T *eap;
6722 {
6723 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6724 EMSG(_(e_emptybuf));
6725 else
6726 {
6727 for ( ;!got_int; ui_breakcheck())
6728 {
6729 print_line(eap->line1,
6730 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6731 || (eap->flags & EXFLAG_NR)),
6732 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6733 if (++eap->line1 > eap->line2)
6734 break;
6735 out_flush(); /* show one line at a time */
6736 }
6737 setpcmark();
6738 /* put cursor at last line */
6739 curwin->w_cursor.lnum = eap->line2;
6740 beginline(BL_SOL | BL_FIX);
6741 }
6742
6743 ex_no_reprint = TRUE;
6744 }
6745
6746 #ifdef FEAT_BYTEOFF
6747 static void
6748 ex_goto(eap)
6749 exarg_T *eap;
6750 {
6751 goto_byte(eap->line2);
6752 }
6753 #endif
6754
6755 /*
6756 * ":shell".
6757 */
6758 static void
6759 ex_shell(eap)
6760 exarg_T *eap UNUSED;
6761 {
6762 do_shell(NULL, 0);
6763 }
6764
6765 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6766 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6767 || defined(FEAT_GUI_MSWIN) \
6768 || defined(FEAT_GUI_MAC) \
6769 || defined(PROTO)
6770
6771 /*
6772 * Handle a file drop. The code is here because a drop is *nearly* like an
6773 * :args command, but not quite (we have a list of exact filenames, so we
6774 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6775 * code is very similar to :args and hence needs access to a lot of the static
6776 * functions in this file.
6777 *
6778 * The list should be allocated using alloc(), as should each item in the
6779 * list. This function takes over responsibility for freeing the list.
6780 *
6781 * XXX The list is made into the argument list. This is freed using
6782 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6783 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6784 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6785 * file functionality is (currently) not in EMX this is not presently a
6786 * problem.
6787 */
6788 void
6789 handle_drop(filec, filev, split)
6790 int filec; /* the number of files dropped */
6791 char_u **filev; /* the list of files dropped */
6792 int split; /* force splitting the window */
6793 {
6794 exarg_T ea;
6795 int save_msg_scroll = msg_scroll;
6796
6797 /* Postpone this while editing the command line. */
6798 if (text_locked())
6799 return;
6800 #ifdef FEAT_AUTOCMD
6801 if (curbuf_locked())
6802 return;
6803 #endif
6804 /* When the screen is being updated we should not change buffers and
6805 * windows structures, it may cause freed memory to be used. */
6806 if (updating_screen)
6807 return;
6808
6809 /* Check whether the current buffer is changed. If so, we will need
6810 * to split the current window or data could be lost.
6811 * We don't need to check if the 'hidden' option is set, as in this
6812 * case the buffer won't be lost.
6813 */
6814 if (!P_HID(curbuf) && !split)
6815 {
6816 ++emsg_off;
6817 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6818 --emsg_off;
6819 }
6820 if (split)
6821 {
6822 # ifdef FEAT_WINDOWS
6823 if (win_split(0, 0) == FAIL)
6824 return;
6825 # ifdef FEAT_SCROLLBIND
6826 curwin->w_p_scb = FALSE;
6827 # endif
6828
6829 /* When splitting the window, create a new alist. Otherwise the
6830 * existing one is overwritten. */
6831 alist_unlink(curwin->w_alist);
6832 alist_new();
6833 # else
6834 return; /* can't split, always fail */
6835 # endif
6836 }
6837
6838 /*
6839 * Set up the new argument list.
6840 */
6841 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6842
6843 /*
6844 * Move to the first file.
6845 */
6846 /* Fake up a minimal "next" command for do_argfile() */
6847 vim_memset(&ea, 0, sizeof(ea));
6848 ea.cmd = (char_u *)"next";
6849 do_argfile(&ea, 0);
6850
6851 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6852 * mode that is not needed here. */
6853 need_start_insertmode = FALSE;
6854
6855 /* Restore msg_scroll, otherwise a following command may cause scrolling
6856 * unexpectedly. The screen will be redrawn by the caller, thus
6857 * msg_scroll being set by displaying a message is irrelevant. */
6858 msg_scroll = save_msg_scroll;
6859 }
6860 #endif
6861
6862 /*
6863 * Clear an argument list: free all file names and reset it to zero entries.
6864 */
6865 void
6866 alist_clear(al)
6867 alist_T *al;
6868 {
6869 while (--al->al_ga.ga_len >= 0)
6870 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6871 ga_clear(&al->al_ga);
6872 }
6873
6874 /*
6875 * Init an argument list.
6876 */
6877 void
6878 alist_init(al)
6879 alist_T *al;
6880 {
6881 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6882 }
6883
6884 #if defined(FEAT_WINDOWS) || defined(PROTO)
6885
6886 /*
6887 * Remove a reference from an argument list.
6888 * Ignored when the argument list is the global one.
6889 * If the argument list is no longer used by any window, free it.
6890 */
6891 void
6892 alist_unlink(al)
6893 alist_T *al;
6894 {
6895 if (al != &global_alist && --al->al_refcount <= 0)
6896 {
6897 alist_clear(al);
6898 vim_free(al);
6899 }
6900 }
6901
6902 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6903 /*
6904 * Create a new argument list and use it for the current window.
6905 */
6906 void
6907 alist_new()
6908 {
6909 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6910 if (curwin->w_alist == NULL)
6911 {
6912 curwin->w_alist = &global_alist;
6913 ++global_alist.al_refcount;
6914 }
6915 else
6916 {
6917 curwin->w_alist->al_refcount = 1;
6918 alist_init(curwin->w_alist);
6919 }
6920 }
6921 # endif
6922 #endif
6923
6924 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6925 /*
6926 * Expand the file names in the global argument list.
6927 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6928 * numbers to be re-used.
6929 */
6930 void
6931 alist_expand(fnum_list, fnum_len)
6932 int *fnum_list;
6933 int fnum_len;
6934 {
6935 char_u **old_arg_files;
6936 int old_arg_count;
6937 char_u **new_arg_files;
6938 int new_arg_file_count;
6939 char_u *save_p_su = p_su;
6940 int i;
6941
6942 /* Don't use 'suffixes' here. This should work like the shell did the
6943 * expansion. Also, the vimrc file isn't read yet, thus the user
6944 * can't set the options. */
6945 p_su = empty_option;
6946 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6947 if (old_arg_files != NULL)
6948 {
6949 for (i = 0; i < GARGCOUNT; ++i)
6950 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6951 old_arg_count = GARGCOUNT;
6952 if (expand_wildcards(old_arg_count, old_arg_files,
6953 &new_arg_file_count, &new_arg_files,
6954 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6955 && new_arg_file_count > 0)
6956 {
6957 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6958 TRUE, fnum_list, fnum_len);
6959 FreeWild(old_arg_count, old_arg_files);
6960 }
6961 }
6962 p_su = save_p_su;
6963 }
6964 #endif
6965
6966 /*
6967 * Set the argument list for the current window.
6968 * Takes over the allocated files[] and the allocated fnames in it.
6969 */
6970 void
6971 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6972 alist_T *al;
6973 int count;
6974 char_u **files;
6975 int use_curbuf;
6976 int *fnum_list;
6977 int fnum_len;
6978 {
6979 int i;
6980
6981 alist_clear(al);
6982 if (ga_grow(&al->al_ga, count) == OK)
6983 {
6984 for (i = 0; i < count; ++i)
6985 {
6986 if (got_int)
6987 {
6988 /* When adding many buffers this can take a long time. Allow
6989 * interrupting here. */
6990 while (i < count)
6991 vim_free(files[i++]);
6992 break;
6993 }
6994
6995 /* May set buffer name of a buffer previously used for the
6996 * argument list, so that it's re-used by alist_add. */
6997 if (fnum_list != NULL && i < fnum_len)
6998 buf_set_name(fnum_list[i], files[i]);
6999
7000 alist_add(al, files[i], use_curbuf ? 2 : 1);
7001 ui_breakcheck();
7002 }
7003 vim_free(files);
7004 }
7005 else
7006 FreeWild(count, files);
7007 #ifdef FEAT_WINDOWS
7008 if (al == &global_alist)
7009 #endif
7010 arg_had_last = FALSE;
7011 }
7012
7013 /*
7014 * Add file "fname" to argument list "al".
7015 * "fname" must have been allocated and "al" must have been checked for room.
7016 */
7017 void
7018 alist_add(al, fname, set_fnum)
7019 alist_T *al;
7020 char_u *fname;
7021 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7022 {
7023 if (fname == NULL) /* don't add NULL file names */
7024 return;
7025 #ifdef BACKSLASH_IN_FILENAME
7026 slash_adjust(fname);
7027 #endif
7028 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7029 if (set_fnum > 0)
7030 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7031 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7032 ++al->al_ga.ga_len;
7033 }
7034
7035 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7036 /*
7037 * Adjust slashes in file names. Called after 'shellslash' was set.
7038 */
7039 void
7040 alist_slash_adjust()
7041 {
7042 int i;
7043 # ifdef FEAT_WINDOWS
7044 win_T *wp;
7045 tabpage_T *tp;
7046 # endif
7047
7048 for (i = 0; i < GARGCOUNT; ++i)
7049 if (GARGLIST[i].ae_fname != NULL)
7050 slash_adjust(GARGLIST[i].ae_fname);
7051 # ifdef FEAT_WINDOWS
7052 FOR_ALL_TAB_WINDOWS(tp, wp)
7053 if (wp->w_alist != &global_alist)
7054 for (i = 0; i < WARGCOUNT(wp); ++i)
7055 if (WARGLIST(wp)[i].ae_fname != NULL)
7056 slash_adjust(WARGLIST(wp)[i].ae_fname);
7057 # endif
7058 }
7059 #endif
7060
7061 /*
7062 * ":preserve".
7063 */
7064 static void
7065 ex_preserve(eap)
7066 exarg_T *eap UNUSED;
7067 {
7068 curbuf->b_flags |= BF_PRESERVED;
7069 ml_preserve(curbuf, TRUE);
7070 }
7071
7072 /*
7073 * ":recover".
7074 */
7075 static void
7076 ex_recover(eap)
7077 exarg_T *eap;
7078 {
7079 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7080 recoverymode = TRUE;
7081 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7082 && (*eap->arg == NUL
7083 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7084 ml_recover();
7085 recoverymode = FALSE;
7086 }
7087
7088 /*
7089 * Command modifier used in a wrong way.
7090 */
7091 static void
7092 ex_wrongmodifier(eap)
7093 exarg_T *eap;
7094 {
7095 eap->errmsg = e_invcmd;
7096 }
7097
7098 #ifdef FEAT_WINDOWS
7099 /*
7100 * :sview [+command] file split window with new file, read-only
7101 * :split [[+command] file] split window with current or new file
7102 * :vsplit [[+command] file] split window vertically with current or new file
7103 * :new [[+command] file] split window with no or new file
7104 * :vnew [[+command] file] split vertically window with no or new file
7105 * :sfind [+command] file split window with file in 'path'
7106 *
7107 * :tabedit open new Tab page with empty window
7108 * :tabedit [+command] file open new Tab page and edit "file"
7109 * :tabnew [[+command] file] just like :tabedit
7110 * :tabfind [+command] file open new Tab page and find "file"
7111 */
7112 void
7113 ex_splitview(eap)
7114 exarg_T *eap;
7115 {
7116 win_T *old_curwin = curwin;
7117 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7118 char_u *fname = NULL;
7119 # endif
7120 # ifdef FEAT_BROWSE
7121 int browse_flag = cmdmod.browse;
7122 # endif
7123
7124 # ifndef FEAT_VERTSPLIT
7125 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7126 {
7127 ex_ni(eap);
7128 return;
7129 }
7130 # endif
7131
7132 # ifdef FEAT_GUI
7133 need_mouse_correct = TRUE;
7134 # endif
7135
7136 # ifdef FEAT_QUICKFIX
7137 /* A ":split" in the quickfix window works like ":new". Don't want two
7138 * quickfix windows. But it's OK when doing ":tab split". */
7139 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7140 {
7141 if (eap->cmdidx == CMD_split)
7142 eap->cmdidx = CMD_new;
7143 # ifdef FEAT_VERTSPLIT
7144 if (eap->cmdidx == CMD_vsplit)
7145 eap->cmdidx = CMD_vnew;
7146 # endif
7147 }
7148 # endif
7149
7150 # ifdef FEAT_SEARCHPATH
7151 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7152 {
7153 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7154 FNAME_MESS, TRUE, curbuf->b_ffname);
7155 if (fname == NULL)
7156 goto theend;
7157 eap->arg = fname;
7158 }
7159 # ifdef FEAT_BROWSE
7160 else
7161 # endif
7162 # endif
7163 # ifdef FEAT_BROWSE
7164 if (cmdmod.browse
7165 # ifdef FEAT_VERTSPLIT
7166 && eap->cmdidx != CMD_vnew
7167 # endif
7168 && eap->cmdidx != CMD_new)
7169 {
7170 # ifdef FEAT_AUTOCMD
7171 if (
7172 # ifdef FEAT_GUI
7173 !gui.in_use &&
7174 # endif
7175 au_has_group((char_u *)"FileExplorer"))
7176 {
7177 /* No browsing supported but we do have the file explorer:
7178 * Edit the directory. */
7179 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7180 eap->arg = (char_u *)".";
7181 }
7182 else
7183 # endif
7184 {
7185 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7186 eap->arg, NULL, NULL, NULL, curbuf);
7187 if (fname == NULL)
7188 goto theend;
7189 eap->arg = fname;
7190 }
7191 }
7192 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7193 # endif
7194
7195 /*
7196 * Either open new tab page or split the window.
7197 */
7198 if (eap->cmdidx == CMD_tabedit
7199 || eap->cmdidx == CMD_tabfind
7200 || eap->cmdidx == CMD_tabnew)
7201 {
7202 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7203 : eap->addr_count == 0 ? 0
7204 : (int)eap->line2 + 1) != FAIL)
7205 {
7206 do_exedit(eap, old_curwin);
7207
7208 /* set the alternate buffer for the window we came from */
7209 if (curwin != old_curwin
7210 && win_valid(old_curwin)
7211 && old_curwin->w_buffer != curbuf
7212 && !cmdmod.keepalt)
7213 old_curwin->w_alt_fnum = curbuf->b_fnum;
7214 }
7215 }
7216 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7217 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7218 {
7219 # ifdef FEAT_SCROLLBIND
7220 /* Reset 'scrollbind' when editing another file, but keep it when
7221 * doing ":split" without arguments. */
7222 if (*eap->arg != NUL
7223 # ifdef FEAT_BROWSE
7224 || cmdmod.browse
7225 # endif
7226 )
7227 curwin->w_p_scb = FALSE;
7228 else
7229 do_check_scrollbind(FALSE);
7230 # endif
7231 do_exedit(eap, old_curwin);
7232 }
7233
7234 # ifdef FEAT_BROWSE
7235 cmdmod.browse = browse_flag;
7236 # endif
7237
7238 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7239 theend:
7240 vim_free(fname);
7241 # endif
7242 }
7243
7244 /*
7245 * Open a new tab page.
7246 */
7247 void
7248 tabpage_new()
7249 {
7250 exarg_T ea;
7251
7252 vim_memset(&ea, 0, sizeof(ea));
7253 ea.cmdidx = CMD_tabnew;
7254 ea.cmd = (char_u *)"tabn";
7255 ea.arg = (char_u *)"";
7256 ex_splitview(&ea);
7257 }
7258
7259 /*
7260 * :tabnext command
7261 */
7262 static void
7263 ex_tabnext(eap)
7264 exarg_T *eap;
7265 {
7266 switch (eap->cmdidx)
7267 {
7268 case CMD_tabfirst:
7269 case CMD_tabrewind:
7270 goto_tabpage(1);
7271 break;
7272 case CMD_tablast:
7273 goto_tabpage(9999);
7274 break;
7275 case CMD_tabprevious:
7276 case CMD_tabNext:
7277 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7278 break;
7279 default: /* CMD_tabnext */
7280 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7281 break;
7282 }
7283 }
7284
7285 /*
7286 * :tabmove command
7287 */
7288 static void
7289 ex_tabmove(eap)
7290 exarg_T *eap;
7291 {
7292 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7293 }
7294
7295 /*
7296 * :tabs command: List tabs and their contents.
7297 */
7298 static void
7299 ex_tabs(eap)
7300 exarg_T *eap UNUSED;
7301 {
7302 tabpage_T *tp;
7303 win_T *wp;
7304 int tabcount = 1;
7305
7306 msg_start();
7307 msg_scroll = TRUE;
7308 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7309 {
7310 msg_putchar('\n');
7311 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7312 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7313 out_flush(); /* output one line at a time */
7314 ui_breakcheck();
7315
7316 if (tp == curtab)
7317 wp = firstwin;
7318 else
7319 wp = tp->tp_firstwin;
7320 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7321 {
7322 msg_putchar('\n');
7323 msg_putchar(wp == curwin ? '>' : ' ');
7324 msg_putchar(' ');
7325 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7326 msg_putchar(' ');
7327 if (buf_spname(wp->w_buffer) != NULL)
7328 STRCPY(IObuff, buf_spname(wp->w_buffer));
7329 else
7330 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7331 IObuff, IOSIZE, TRUE);
7332 msg_outtrans(IObuff);
7333 out_flush(); /* output one line at a time */
7334 ui_breakcheck();
7335 }
7336 }
7337 }
7338
7339 #endif /* FEAT_WINDOWS */
7340
7341 /*
7342 * ":mode": Set screen mode.
7343 * If no argument given, just get the screen size and redraw.
7344 */
7345 static void
7346 ex_mode(eap)
7347 exarg_T *eap;
7348 {
7349 if (*eap->arg == NUL)
7350 shell_resized();
7351 else
7352 mch_screenmode(eap->arg);
7353 }
7354
7355 #ifdef FEAT_WINDOWS
7356 /*
7357 * ":resize".
7358 * set, increment or decrement current window height
7359 */
7360 static void
7361 ex_resize(eap)
7362 exarg_T *eap;
7363 {
7364 int n;
7365 win_T *wp = curwin;
7366
7367 if (eap->addr_count > 0)
7368 {
7369 n = eap->line2;
7370 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7371 ;
7372 }
7373
7374 #ifdef FEAT_GUI
7375 need_mouse_correct = TRUE;
7376 #endif
7377 n = atol((char *)eap->arg);
7378 #ifdef FEAT_VERTSPLIT
7379 if (cmdmod.split & WSP_VERT)
7380 {
7381 if (*eap->arg == '-' || *eap->arg == '+')
7382 n += W_WIDTH(curwin);
7383 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7384 n = 9999;
7385 win_setwidth_win((int)n, wp);
7386 }
7387 else
7388 #endif
7389 {
7390 if (*eap->arg == '-' || *eap->arg == '+')
7391 n += curwin->w_height;
7392 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7393 n = 9999;
7394 win_setheight_win((int)n, wp);
7395 }
7396 }
7397 #endif
7398
7399 /*
7400 * ":find [+command] <file>" command.
7401 */
7402 static void
7403 ex_find(eap)
7404 exarg_T *eap;
7405 {
7406 #ifdef FEAT_SEARCHPATH
7407 char_u *fname;
7408 int count;
7409
7410 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7411 TRUE, curbuf->b_ffname);
7412 if (eap->addr_count > 0)
7413 {
7414 /* Repeat finding the file "count" times. This matters when it
7415 * appears several times in the path. */
7416 count = eap->line2;
7417 while (fname != NULL && --count > 0)
7418 {
7419 vim_free(fname);
7420 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7421 FALSE, curbuf->b_ffname);
7422 }
7423 }
7424
7425 if (fname != NULL)
7426 {
7427 eap->arg = fname;
7428 #endif
7429 do_exedit(eap, NULL);
7430 #ifdef FEAT_SEARCHPATH
7431 vim_free(fname);
7432 }
7433 #endif
7434 }
7435
7436 /*
7437 * ":open" simulation: for now just work like ":visual".
7438 */
7439 static void
7440 ex_open(eap)
7441 exarg_T *eap;
7442 {
7443 regmatch_T regmatch;
7444 char_u *p;
7445
7446 curwin->w_cursor.lnum = eap->line2;
7447 beginline(BL_SOL | BL_FIX);
7448 if (*eap->arg == '/')
7449 {
7450 /* ":open /pattern/": put cursor in column found with pattern */
7451 ++eap->arg;
7452 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7453 *p = NUL;
7454 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7455 if (regmatch.regprog != NULL)
7456 {
7457 regmatch.rm_ic = p_ic;
7458 p = ml_get_curline();
7459 if (vim_regexec(&regmatch, p, (colnr_T)0))
7460 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7461 else
7462 EMSG(_(e_nomatch));
7463 vim_free(regmatch.regprog);
7464 }
7465 /* Move to the NUL, ignore any other arguments. */
7466 eap->arg += STRLEN(eap->arg);
7467 }
7468 check_cursor();
7469
7470 eap->cmdidx = CMD_visual;
7471 do_exedit(eap, NULL);
7472 }
7473
7474 /*
7475 * ":edit", ":badd", ":visual".
7476 */
7477 static void
7478 ex_edit(eap)
7479 exarg_T *eap;
7480 {
7481 do_exedit(eap, NULL);
7482 }
7483
7484 /*
7485 * ":edit <file>" command and alikes.
7486 */
7487 void
7488 do_exedit(eap, old_curwin)
7489 exarg_T *eap;
7490 win_T *old_curwin; /* curwin before doing a split or NULL */
7491 {
7492 int n;
7493 #ifdef FEAT_WINDOWS
7494 int need_hide;
7495 #endif
7496 int exmode_was = exmode_active;
7497
7498 /*
7499 * ":vi" command ends Ex mode.
7500 */
7501 if (exmode_active && (eap->cmdidx == CMD_visual
7502 || eap->cmdidx == CMD_view))
7503 {
7504 exmode_active = FALSE;
7505 if (*eap->arg == NUL)
7506 {
7507 /* Special case: ":global/pat/visual\NLvi-commands" */
7508 if (global_busy)
7509 {
7510 int rd = RedrawingDisabled;
7511 int nwr = no_wait_return;
7512 int ms = msg_scroll;
7513 #ifdef FEAT_GUI
7514 int he = hold_gui_events;
7515 #endif
7516
7517 if (eap->nextcmd != NULL)
7518 {
7519 stuffReadbuff(eap->nextcmd);
7520 eap->nextcmd = NULL;
7521 }
7522
7523 if (exmode_was != EXMODE_VIM)
7524 settmode(TMODE_RAW);
7525 RedrawingDisabled = 0;
7526 no_wait_return = 0;
7527 need_wait_return = FALSE;
7528 msg_scroll = 0;
7529 #ifdef FEAT_GUI
7530 hold_gui_events = 0;
7531 #endif
7532 must_redraw = CLEAR;
7533
7534 main_loop(FALSE, TRUE);
7535
7536 RedrawingDisabled = rd;
7537 no_wait_return = nwr;
7538 msg_scroll = ms;
7539 #ifdef FEAT_GUI
7540 hold_gui_events = he;
7541 #endif
7542 }
7543 return;
7544 }
7545 }
7546
7547 if ((eap->cmdidx == CMD_new
7548 || eap->cmdidx == CMD_tabnew
7549 || eap->cmdidx == CMD_tabedit
7550 #ifdef FEAT_VERTSPLIT
7551 || eap->cmdidx == CMD_vnew
7552 #endif
7553 ) && *eap->arg == NUL)
7554 {
7555 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7556 setpcmark();
7557 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7558 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7559 old_curwin == NULL ? curwin : NULL);
7560 }
7561 else if ((eap->cmdidx != CMD_split
7562 #ifdef FEAT_VERTSPLIT
7563 && eap->cmdidx != CMD_vsplit
7564 #endif
7565 )
7566 || *eap->arg != NUL
7567 #ifdef FEAT_BROWSE
7568 || cmdmod.browse
7569 #endif
7570 )
7571 {
7572 #ifdef FEAT_AUTOCMD
7573 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7574 * can bring us here, others are stopped earlier. */
7575 if (*eap->arg != NUL && curbuf_locked())
7576 return;
7577 #endif
7578 n = readonlymode;
7579 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7580 readonlymode = TRUE;
7581 else if (eap->cmdidx == CMD_enew)
7582 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7583 empty buffer */
7584 setpcmark();
7585 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7586 NULL, eap,
7587 /* ":edit" goes to first line if Vi compatible */
7588 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7589 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7590 ? ECMD_ONE : eap->do_ecmd_lnum,
7591 (P_HID(curbuf) ? ECMD_HIDE : 0)
7592 + (eap->forceit ? ECMD_FORCEIT : 0)
7593 #ifdef FEAT_LISTCMDS
7594 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7595 #endif
7596 , old_curwin == NULL ? curwin : NULL) == FAIL)
7597 {
7598 /* Editing the file failed. If the window was split, close it. */
7599 #ifdef FEAT_WINDOWS
7600 if (old_curwin != NULL)
7601 {
7602 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7603 if (!need_hide || P_HID(curbuf))
7604 {
7605 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7606 cleanup_T cs;
7607
7608 /* Reset the error/interrupt/exception state here so that
7609 * aborting() returns FALSE when closing a window. */
7610 enter_cleanup(&cs);
7611 # endif
7612 # ifdef FEAT_GUI
7613 need_mouse_correct = TRUE;
7614 # endif
7615 win_close(curwin, !need_hide && !P_HID(curbuf));
7616
7617 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7618 /* Restore the error/interrupt/exception state if not
7619 * discarded by a new aborting error, interrupt, or
7620 * uncaught exception. */
7621 leave_cleanup(&cs);
7622 # endif
7623 }
7624 }
7625 #endif
7626 }
7627 else if (readonlymode && curbuf->b_nwindows == 1)
7628 {
7629 /* When editing an already visited buffer, 'readonly' won't be set
7630 * but the previous value is kept. With ":view" and ":sview" we
7631 * want the file to be readonly, except when another window is
7632 * editing the same buffer. */
7633 curbuf->b_p_ro = TRUE;
7634 }
7635 readonlymode = n;
7636 }
7637 else
7638 {
7639 if (eap->do_ecmd_cmd != NULL)
7640 do_cmdline_cmd(eap->do_ecmd_cmd);
7641 #ifdef FEAT_TITLE
7642 n = curwin->w_arg_idx_invalid;
7643 #endif
7644 check_arg_idx(curwin);
7645 #ifdef FEAT_TITLE
7646 if (n != curwin->w_arg_idx_invalid)
7647 maketitle();
7648 #endif
7649 }
7650
7651 #ifdef FEAT_WINDOWS
7652 /*
7653 * if ":split file" worked, set alternate file name in old window to new
7654 * file
7655 */
7656 if (old_curwin != NULL
7657 && *eap->arg != NUL
7658 && curwin != old_curwin
7659 && win_valid(old_curwin)
7660 && old_curwin->w_buffer != curbuf
7661 && !cmdmod.keepalt)
7662 old_curwin->w_alt_fnum = curbuf->b_fnum;
7663 #endif
7664
7665 ex_no_reprint = TRUE;
7666 }
7667
7668 #ifndef FEAT_GUI
7669 /*
7670 * ":gui" and ":gvim" when there is no GUI.
7671 */
7672 static void
7673 ex_nogui(eap)
7674 exarg_T *eap;
7675 {
7676 eap->errmsg = e_nogvim;
7677 }
7678 #endif
7679
7680 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7681 static void
7682 ex_tearoff(eap)
7683 exarg_T *eap;
7684 {
7685 gui_make_tearoff(eap->arg);
7686 }
7687 #endif
7688
7689 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7690 static void
7691 ex_popup(eap)
7692 exarg_T *eap;
7693 {
7694 gui_make_popup(eap->arg, eap->forceit);
7695 }
7696 #endif
7697
7698 static void
7699 ex_swapname(eap)
7700 exarg_T *eap UNUSED;
7701 {
7702 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7703 MSG(_("No swap file"));
7704 else
7705 msg(curbuf->b_ml.ml_mfp->mf_fname);
7706 }
7707
7708 /*
7709 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7710 * offset.
7711 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7712 */
7713 static void
7714 ex_syncbind(eap)
7715 exarg_T *eap UNUSED;
7716 {
7717 #ifdef FEAT_SCROLLBIND
7718 win_T *wp;
7719 long topline;
7720 long y;
7721 linenr_T old_linenr = curwin->w_cursor.lnum;
7722
7723 setpcmark();
7724
7725 /*
7726 * determine max topline
7727 */
7728 if (curwin->w_p_scb)
7729 {
7730 topline = curwin->w_topline;
7731 for (wp = firstwin; wp; wp = wp->w_next)
7732 {
7733 if (wp->w_p_scb && wp->w_buffer)
7734 {
7735 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7736 if (topline > y)
7737 topline = y;
7738 }
7739 }
7740 if (topline < 1)
7741 topline = 1;
7742 }
7743 else
7744 {
7745 topline = 1;
7746 }
7747
7748
7749 /*
7750 * set all scrollbind windows to the same topline
7751 */
7752 wp = curwin;
7753 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7754 {
7755 if (curwin->w_p_scb)
7756 {
7757 y = topline - curwin->w_topline;
7758 if (y > 0)
7759 scrollup(y, TRUE);
7760 else
7761 scrolldown(-y, TRUE);
7762 curwin->w_scbind_pos = topline;
7763 redraw_later(VALID);
7764 cursor_correct();
7765 #ifdef FEAT_WINDOWS
7766 curwin->w_redr_status = TRUE;
7767 #endif
7768 }
7769 }
7770 curwin = wp;
7771 if (curwin->w_p_scb)
7772 {
7773 did_syncbind = TRUE;
7774 checkpcmark();
7775 if (old_linenr != curwin->w_cursor.lnum)
7776 {
7777 char_u ctrl_o[2];
7778
7779 ctrl_o[0] = Ctrl_O;
7780 ctrl_o[1] = 0;
7781 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7782 }
7783 }
7784 #endif
7785 }
7786
7787
7788 static void
7789 ex_read(eap)
7790 exarg_T *eap;
7791 {
7792 int i;
7793 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7794 linenr_T lnum;
7795
7796 if (eap->usefilter) /* :r!cmd */
7797 do_bang(1, eap, FALSE, FALSE, TRUE);
7798 else
7799 {
7800 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7801 return;
7802
7803 #ifdef FEAT_BROWSE
7804 if (cmdmod.browse)
7805 {
7806 char_u *browseFile;
7807
7808 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7809 NULL, NULL, NULL, curbuf);
7810 if (browseFile != NULL)
7811 {
7812 i = readfile(browseFile, NULL,
7813 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7814 vim_free(browseFile);
7815 }
7816 else
7817 i = OK;
7818 }
7819 else
7820 #endif
7821 if (*eap->arg == NUL)
7822 {
7823 if (check_fname() == FAIL) /* check for no file name */
7824 return;
7825 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7826 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7827 }
7828 else
7829 {
7830 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7831 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7832 i = readfile(eap->arg, NULL,
7833 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7834
7835 }
7836 if (i == FAIL)
7837 {
7838 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7839 if (!aborting())
7840 #endif
7841 EMSG2(_(e_notopen), eap->arg);
7842 }
7843 else
7844 {
7845 if (empty && exmode_active)
7846 {
7847 /* Delete the empty line that remains. Historically ex does
7848 * this but vi doesn't. */
7849 if (eap->line2 == 0)
7850 lnum = curbuf->b_ml.ml_line_count;
7851 else
7852 lnum = 1;
7853 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7854 {
7855 ml_delete(lnum, FALSE);
7856 if (curwin->w_cursor.lnum > 1
7857 && curwin->w_cursor.lnum >= lnum)
7858 --curwin->w_cursor.lnum;
7859 deleted_lines_mark(lnum, 1L);
7860 }
7861 }
7862 redraw_curbuf_later(VALID);
7863 }
7864 }
7865 }
7866
7867 static char_u *prev_dir = NULL;
7868
7869 #if defined(EXITFREE) || defined(PROTO)
7870 void
7871 free_cd_dir()
7872 {
7873 vim_free(prev_dir);
7874 prev_dir = NULL;
7875
7876 vim_free(globaldir);
7877 globaldir = NULL;
7878 }
7879 #endif
7880
7881
7882 /*
7883 * ":cd", ":lcd", ":chdir" and ":lchdir".
7884 */
7885 void
7886 ex_cd(eap)
7887 exarg_T *eap;
7888 {
7889 char_u *new_dir;
7890 char_u *tofree;
7891
7892 new_dir = eap->arg;
7893 #if !defined(UNIX) && !defined(VMS)
7894 /* for non-UNIX ":cd" means: print current directory */
7895 if (*new_dir == NUL)
7896 ex_pwd(NULL);
7897 else
7898 #endif
7899 {
7900 #ifdef FEAT_AUTOCMD
7901 if (allbuf_locked())
7902 return;
7903 #endif
7904 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7905 && !eap->forceit)
7906 {
7907 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7908 return;
7909 }
7910
7911 /* ":cd -": Change to previous directory */
7912 if (STRCMP(new_dir, "-") == 0)
7913 {
7914 if (prev_dir == NULL)
7915 {
7916 EMSG(_("E186: No previous directory"));
7917 return;
7918 }
7919 new_dir = prev_dir;
7920 }
7921
7922 /* Save current directory for next ":cd -" */
7923 tofree = prev_dir;
7924 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7925 prev_dir = vim_strsave(NameBuff);
7926 else
7927 prev_dir = NULL;
7928
7929 #if defined(UNIX) || defined(VMS)
7930 /* for UNIX ":cd" means: go to home directory */
7931 if (*new_dir == NUL)
7932 {
7933 /* use NameBuff for home directory name */
7934 # ifdef VMS
7935 char_u *p;
7936
7937 p = mch_getenv((char_u *)"SYS$LOGIN");
7938 if (p == NULL || *p == NUL) /* empty is the same as not set */
7939 NameBuff[0] = NUL;
7940 else
7941 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7942 # else
7943 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7944 # endif
7945 new_dir = NameBuff;
7946 }
7947 #endif
7948 if (new_dir == NULL || vim_chdir(new_dir))
7949 EMSG(_(e_failed));
7950 else
7951 {
7952 vim_free(curwin->w_localdir);
7953 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7954 {
7955 /* If still in global directory, need to remember current
7956 * directory as global directory. */
7957 if (globaldir == NULL && prev_dir != NULL)
7958 globaldir = vim_strsave(prev_dir);
7959 /* Remember this local directory for the window. */
7960 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7961 curwin->w_localdir = vim_strsave(NameBuff);
7962 }
7963 else
7964 {
7965 /* We are now in the global directory, no need to remember its
7966 * name. */
7967 vim_free(globaldir);
7968 globaldir = NULL;
7969 curwin->w_localdir = NULL;
7970 }
7971
7972 shorten_fnames(TRUE);
7973
7974 /* Echo the new current directory if the command was typed. */
7975 if (KeyTyped || p_verbose >= 5)
7976 ex_pwd(eap);
7977 }
7978 vim_free(tofree);
7979 }
7980 }
7981
7982 /*
7983 * ":pwd".
7984 */
7985 static void
7986 ex_pwd(eap)
7987 exarg_T *eap UNUSED;
7988 {
7989 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7990 {
7991 #ifdef BACKSLASH_IN_FILENAME
7992 slash_adjust(NameBuff);
7993 #endif
7994 msg(NameBuff);
7995 }
7996 else
7997 EMSG(_("E187: Unknown"));
7998 }
7999
8000 /*
8001 * ":=".
8002 */
8003 static void
8004 ex_equal(eap)
8005 exarg_T *eap;
8006 {
8007 smsg((char_u *)"%ld", (long)eap->line2);
8008 ex_may_print(eap);
8009 }
8010
8011 static void
8012 ex_sleep(eap)
8013 exarg_T *eap;
8014 {
8015 int n;
8016 long len;
8017
8018 if (cursor_valid())
8019 {
8020 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8021 if (n >= 0)
8022 windgoto((int)n, curwin->w_wcol);
8023 }
8024
8025 len = eap->line2;
8026 switch (*eap->arg)
8027 {
8028 case 'm': break;
8029 case NUL: len *= 1000L; break;
8030 default: EMSG2(_(e_invarg2), eap->arg); return;
8031 }
8032 do_sleep(len);
8033 }
8034
8035 /*
8036 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8037 */
8038 void
8039 do_sleep(msec)
8040 long msec;
8041 {
8042 long done;
8043
8044 cursor_on();
8045 out_flush();
8046 for (done = 0; !got_int && done < msec; done += 1000L)
8047 {
8048 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8049 ui_breakcheck();
8050 }
8051 }
8052
8053 static void
8054 do_exmap(eap, isabbrev)
8055 exarg_T *eap;
8056 int isabbrev;
8057 {
8058 int mode;
8059 char_u *cmdp;
8060
8061 cmdp = eap->cmd;
8062 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8063
8064 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8065 eap->arg, mode, isabbrev))
8066 {
8067 case 1: EMSG(_(e_invarg));
8068 break;
8069 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8070 break;
8071 }
8072 }
8073
8074 /*
8075 * ":winsize" command (obsolete).
8076 */
8077 static void
8078 ex_winsize(eap)
8079 exarg_T *eap;
8080 {
8081 int w, h;
8082 char_u *arg = eap->arg;
8083 char_u *p;
8084
8085 w = getdigits(&arg);
8086 arg = skipwhite(arg);
8087 p = arg;
8088 h = getdigits(&arg);
8089 if (*p != NUL && *arg == NUL)
8090 set_shellsize(w, h, TRUE);
8091 else
8092 EMSG(_("E465: :winsize requires two number arguments"));
8093 }
8094
8095 #ifdef FEAT_WINDOWS
8096 static void
8097 ex_wincmd(eap)
8098 exarg_T *eap;
8099 {
8100 int xchar = NUL;
8101 char_u *p;
8102
8103 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8104 {
8105 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8106 if (eap->arg[1] == NUL)
8107 {
8108 EMSG(_(e_invarg));
8109 return;
8110 }
8111 xchar = eap->arg[1];
8112 p = eap->arg + 2;
8113 }
8114 else
8115 p = eap->arg + 1;
8116
8117 eap->nextcmd = check_nextcmd(p);
8118 p = skipwhite(p);
8119 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8120 EMSG(_(e_invarg));
8121 else
8122 {
8123 /* Pass flags on for ":vertical wincmd ]". */
8124 postponed_split_flags = cmdmod.split;
8125 postponed_split_tab = cmdmod.tab;
8126 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8127 postponed_split_flags = 0;
8128 postponed_split_tab = 0;
8129 }
8130 }
8131 #endif
8132
8133 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8134 /*
8135 * ":winpos".
8136 */
8137 static void
8138 ex_winpos(eap)
8139 exarg_T *eap;
8140 {
8141 int x, y;
8142 char_u *arg = eap->arg;
8143 char_u *p;
8144
8145 if (*arg == NUL)
8146 {
8147 # if defined(FEAT_GUI) || defined(MSWIN)
8148 # ifdef FEAT_GUI
8149 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8150 # else
8151 if (mch_get_winpos(&x, &y) != FAIL)
8152 # endif
8153 {
8154 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8155 msg(IObuff);
8156 }
8157 else
8158 # endif
8159 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8160 }
8161 else
8162 {
8163 x = getdigits(&arg);
8164 arg = skipwhite(arg);
8165 p = arg;
8166 y = getdigits(&arg);
8167 if (*p == NUL || *arg != NUL)
8168 {
8169 EMSG(_("E466: :winpos requires two number arguments"));
8170 return;
8171 }
8172 # ifdef FEAT_GUI
8173 if (gui.in_use)
8174 gui_mch_set_winpos(x, y);
8175 else if (gui.starting)
8176 {
8177 /* Remember the coordinates for when the window is opened. */
8178 gui_win_x = x;
8179 gui_win_y = y;
8180 }
8181 # ifdef HAVE_TGETENT
8182 else
8183 # endif
8184 # else
8185 # ifdef MSWIN
8186 mch_set_winpos(x, y);
8187 # endif
8188 # endif
8189 # ifdef HAVE_TGETENT
8190 if (*T_CWP)
8191 term_set_winpos(x, y);
8192 # endif
8193 }
8194 }
8195 #endif
8196
8197 /*
8198 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8199 */
8200 static void
8201 ex_operators(eap)
8202 exarg_T *eap;
8203 {
8204 oparg_T oa;
8205
8206 clear_oparg(&oa);
8207 oa.regname = eap->regname;
8208 oa.start.lnum = eap->line1;
8209 oa.end.lnum = eap->line2;
8210 oa.line_count = eap->line2 - eap->line1 + 1;
8211 oa.motion_type = MLINE;
8212 #ifdef FEAT_VIRTUALEDIT
8213 virtual_op = FALSE;
8214 #endif
8215 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8216 {
8217 setpcmark();
8218 curwin->w_cursor.lnum = eap->line1;
8219 beginline(BL_SOL | BL_FIX);
8220 }
8221
8222 switch (eap->cmdidx)
8223 {
8224 case CMD_delete:
8225 oa.op_type = OP_DELETE;
8226 op_delete(&oa);
8227 break;
8228
8229 case CMD_yank:
8230 oa.op_type = OP_YANK;
8231 (void)op_yank(&oa, FALSE, TRUE);
8232 break;
8233
8234 default: /* CMD_rshift or CMD_lshift */
8235 if ((eap->cmdidx == CMD_rshift)
8236 #ifdef FEAT_RIGHTLEFT
8237 ^ curwin->w_p_rl
8238 #endif
8239 )
8240 oa.op_type = OP_RSHIFT;
8241 else
8242 oa.op_type = OP_LSHIFT;
8243 op_shift(&oa, FALSE, eap->amount);
8244 break;
8245 }
8246 #ifdef FEAT_VIRTUALEDIT
8247 virtual_op = MAYBE;
8248 #endif
8249 ex_may_print(eap);
8250 }
8251
8252 /*
8253 * ":put".
8254 */
8255 static void
8256 ex_put(eap)
8257 exarg_T *eap;
8258 {
8259 /* ":0put" works like ":1put!". */
8260 if (eap->line2 == 0)
8261 {
8262 eap->line2 = 1;
8263 eap->forceit = TRUE;
8264 }
8265 curwin->w_cursor.lnum = eap->line2;
8266 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8267 PUT_LINE|PUT_CURSLINE);
8268 }
8269
8270 /*
8271 * Handle ":copy" and ":move".
8272 */
8273 static void
8274 ex_copymove(eap)
8275 exarg_T *eap;
8276 {
8277 long n;
8278
8279 n = get_address(&eap->arg, FALSE, FALSE);
8280 if (eap->arg == NULL) /* error detected */
8281 {
8282 eap->nextcmd = NULL;
8283 return;
8284 }
8285 get_flags(eap);
8286
8287 /*
8288 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8289 */
8290 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8291 {
8292 EMSG(_(e_invaddr));
8293 return;
8294 }
8295
8296 if (eap->cmdidx == CMD_move)
8297 {
8298 if (do_move(eap->line1, eap->line2, n) == FAIL)
8299 return;
8300 }
8301 else
8302 ex_copy(eap->line1, eap->line2, n);
8303 u_clearline();
8304 beginline(BL_SOL | BL_FIX);
8305 ex_may_print(eap);
8306 }
8307
8308 /*
8309 * Print the current line if flags were given to the Ex command.
8310 */
8311 static void
8312 ex_may_print(eap)
8313 exarg_T *eap;
8314 {
8315 if (eap->flags != 0)
8316 {
8317 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8318 (eap->flags & EXFLAG_LIST));
8319 ex_no_reprint = TRUE;
8320 }
8321 }
8322
8323 /*
8324 * ":smagic" and ":snomagic".
8325 */
8326 static void
8327 ex_submagic(eap)
8328 exarg_T *eap;
8329 {
8330 int magic_save = p_magic;
8331
8332 p_magic = (eap->cmdidx == CMD_smagic);
8333 do_sub(eap);
8334 p_magic = magic_save;
8335 }
8336
8337 /*
8338 * ":join".
8339 */
8340 static void
8341 ex_join(eap)
8342 exarg_T *eap;
8343 {
8344 curwin->w_cursor.lnum = eap->line1;
8345 if (eap->line1 == eap->line2)
8346 {
8347 if (eap->addr_count >= 2) /* :2,2join does nothing */
8348 return;
8349 if (eap->line2 == curbuf->b_ml.ml_line_count)
8350 {
8351 beep_flush();
8352 return;
8353 }
8354 ++eap->line2;
8355 }
8356 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8357 beginline(BL_WHITE | BL_FIX);
8358 ex_may_print(eap);
8359 }
8360
8361 /*
8362 * ":[addr]@r" or ":[addr]*r": execute register
8363 */
8364 static void
8365 ex_at(eap)
8366 exarg_T *eap;
8367 {
8368 int c;
8369 int prev_len = typebuf.tb_len;
8370
8371 curwin->w_cursor.lnum = eap->line2;
8372
8373 #ifdef USE_ON_FLY_SCROLL
8374 dont_scroll = TRUE; /* disallow scrolling here */
8375 #endif
8376
8377 /* get the register name. No name means to use the previous one */
8378 c = *eap->arg;
8379 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8380 c = '@';
8381 /* Put the register in the typeahead buffer with the "silent" flag. */
8382 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8383 == FAIL)
8384 {
8385 beep_flush();
8386 }
8387 else
8388 {
8389 int save_efr = exec_from_reg;
8390
8391 exec_from_reg = TRUE;
8392
8393 /*
8394 * Execute from the typeahead buffer.
8395 * Continue until the stuff buffer is empty and all added characters
8396 * have been consumed.
8397 */
8398 while (!stuff_empty() || typebuf.tb_len > prev_len)
8399 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8400
8401 exec_from_reg = save_efr;
8402 }
8403 }
8404
8405 /*
8406 * ":!".
8407 */
8408 static void
8409 ex_bang(eap)
8410 exarg_T *eap;
8411 {
8412 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8413 }
8414
8415 /*
8416 * ":undo".
8417 */
8418 static void
8419 ex_undo(eap)
8420 exarg_T *eap UNUSED;
8421 {
8422 if (eap->addr_count == 1) /* :undo 123 */
8423 undo_time(eap->line2, FALSE, TRUE);
8424 else
8425 u_undo(1);
8426 }
8427
8428 /*
8429 * ":redo".
8430 */
8431 static void
8432 ex_redo(eap)
8433 exarg_T *eap UNUSED;
8434 {
8435 u_redo(1);
8436 }
8437
8438 /*
8439 * ":earlier" and ":later".
8440 */
8441 static void
8442 ex_later(eap)
8443 exarg_T *eap;
8444 {
8445 long count = 0;
8446 int sec = FALSE;
8447 char_u *p = eap->arg;
8448
8449 if (*p == NUL)
8450 count = 1;
8451 else if (isdigit(*p))
8452 {
8453 count = getdigits(&p);
8454 switch (*p)
8455 {
8456 case 's': ++p; sec = TRUE; break;
8457 case 'm': ++p; sec = TRUE; count *= 60; break;
8458 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8459 }
8460 }
8461
8462 if (*p != NUL)
8463 EMSG2(_(e_invarg2), eap->arg);
8464 else
8465 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8466 }
8467
8468 /*
8469 * ":redir": start/stop redirection.
8470 */
8471 static void
8472 ex_redir(eap)
8473 exarg_T *eap;
8474 {
8475 char *mode;
8476 char_u *fname;
8477 char_u *arg = eap->arg;
8478
8479 if (STRICMP(eap->arg, "END") == 0)
8480 close_redir();
8481 else
8482 {
8483 if (*arg == '>')
8484 {
8485 ++arg;
8486 if (*arg == '>')
8487 {
8488 ++arg;
8489 mode = "a";
8490 }
8491 else
8492 mode = "w";
8493 arg = skipwhite(arg);
8494
8495 close_redir();
8496
8497 /* Expand environment variables and "~/". */
8498 fname = expand_env_save(arg);
8499 if (fname == NULL)
8500 return;
8501 #ifdef FEAT_BROWSE
8502 if (cmdmod.browse)
8503 {
8504 char_u *browseFile;
8505
8506 browseFile = do_browse(BROWSE_SAVE,
8507 (char_u *)_("Save Redirection"),
8508 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8509 if (browseFile == NULL)
8510 return; /* operation cancelled */
8511 vim_free(fname);
8512 fname = browseFile;
8513 eap->forceit = TRUE; /* since dialog already asked */
8514 }
8515 #endif
8516
8517 redir_fd = open_exfile(fname, eap->forceit, mode);
8518 vim_free(fname);
8519 }
8520 #ifdef FEAT_EVAL
8521 else if (*arg == '@')
8522 {
8523 /* redirect to a register a-z (resp. A-Z for appending) */
8524 close_redir();
8525 ++arg;
8526 if (ASCII_ISALPHA(*arg)
8527 # ifdef FEAT_CLIPBOARD
8528 || *arg == '*'
8529 || *arg == '+'
8530 # endif
8531 || *arg == '"')
8532 {
8533 redir_reg = *arg++;
8534 if (*arg == '>' && arg[1] == '>') /* append */
8535 arg += 2;
8536 else
8537 {
8538 /* Can use both "@a" and "@a>". */
8539 if (*arg == '>')
8540 arg++;
8541 /* Make register empty when not using @A-@Z and the
8542 * command is valid. */
8543 if (*arg == NUL && !isupper(redir_reg))
8544 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8545 }
8546 }
8547 if (*arg != NUL)
8548 {
8549 redir_reg = 0;
8550 EMSG2(_(e_invarg2), eap->arg);
8551 }
8552 }
8553 else if (*arg == '=' && arg[1] == '>')
8554 {
8555 int append;
8556
8557 /* redirect to a variable */
8558 close_redir();
8559 arg += 2;
8560
8561 if (*arg == '>')
8562 {
8563 ++arg;
8564 append = TRUE;
8565 }
8566 else
8567 append = FALSE;
8568
8569 if (var_redir_start(skipwhite(arg), append) == OK)
8570 redir_vname = 1;
8571 }
8572 #endif
8573
8574 /* TODO: redirect to a buffer */
8575
8576 else
8577 EMSG2(_(e_invarg2), eap->arg);
8578 }
8579
8580 /* Make sure redirection is not off. Can happen for cmdline completion
8581 * that indirectly invokes a command to catch its output. */
8582 if (redir_fd != NULL
8583 #ifdef FEAT_EVAL
8584 || redir_reg || redir_vname
8585 #endif
8586 )
8587 redir_off = FALSE;
8588 }
8589
8590 /*
8591 * ":redraw": force redraw
8592 */
8593 static void
8594 ex_redraw(eap)
8595 exarg_T *eap;
8596 {
8597 int r = RedrawingDisabled;
8598 int p = p_lz;
8599
8600 RedrawingDisabled = 0;
8601 p_lz = FALSE;
8602 update_topline();
8603 update_screen(eap->forceit ? CLEAR :
8604 #ifdef FEAT_VISUAL
8605 VIsual_active ? INVERTED :
8606 #endif
8607 0);
8608 #ifdef FEAT_TITLE
8609 if (need_maketitle)
8610 maketitle();
8611 #endif
8612 RedrawingDisabled = r;
8613 p_lz = p;
8614
8615 /* Reset msg_didout, so that a message that's there is overwritten. */
8616 msg_didout = FALSE;
8617 msg_col = 0;
8618
8619 out_flush();
8620 }
8621
8622 /*
8623 * ":redrawstatus": force redraw of status line(s)
8624 */
8625 static void
8626 ex_redrawstatus(eap)
8627 exarg_T *eap UNUSED;
8628 {
8629 #if defined(FEAT_WINDOWS)
8630 int r = RedrawingDisabled;
8631 int p = p_lz;
8632
8633 RedrawingDisabled = 0;
8634 p_lz = FALSE;
8635 if (eap->forceit)
8636 status_redraw_all();
8637 else
8638 status_redraw_curbuf();
8639 update_screen(
8640 # ifdef FEAT_VISUAL
8641 VIsual_active ? INVERTED :
8642 # endif
8643 0);
8644 RedrawingDisabled = r;
8645 p_lz = p;
8646 out_flush();
8647 #endif
8648 }
8649
8650 static void
8651 close_redir()
8652 {
8653 if (redir_fd != NULL)
8654 {
8655 fclose(redir_fd);
8656 redir_fd = NULL;
8657 }
8658 #ifdef FEAT_EVAL
8659 redir_reg = 0;
8660 if (redir_vname)
8661 {
8662 var_redir_stop();
8663 redir_vname = 0;
8664 }
8665 #endif
8666 }
8667
8668 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8669 # define MKSESSION_NL
8670 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8671 #endif
8672
8673 /*
8674 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8675 */
8676 static void
8677 ex_mkrc(eap)
8678 exarg_T *eap;
8679 {
8680 FILE *fd;
8681 int failed = FALSE;
8682 char_u *fname;
8683 #ifdef FEAT_BROWSE
8684 char_u *browseFile = NULL;
8685 #endif
8686 #ifdef FEAT_SESSION
8687 int view_session = FALSE;
8688 int using_vdir = FALSE; /* using 'viewdir'? */
8689 char_u *viewFile = NULL;
8690 unsigned *flagp;
8691 #endif
8692
8693 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8694 {
8695 #ifdef FEAT_SESSION
8696 view_session = TRUE;
8697 #else
8698 ex_ni(eap);
8699 return;
8700 #endif
8701 }
8702
8703 #ifdef FEAT_SESSION
8704 /* Use the short file name until ":lcd" is used. We also don't use the
8705 * short file name when 'acd' is set, that is checked later. */
8706 did_lcd = FALSE;
8707
8708 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8709 if (eap->cmdidx == CMD_mkview
8710 && (*eap->arg == NUL
8711 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8712 {
8713 eap->forceit = TRUE;
8714 fname = get_view_file(*eap->arg);
8715 if (fname == NULL)
8716 return;
8717 viewFile = fname;
8718 using_vdir = TRUE;
8719 }
8720 else
8721 #endif
8722 if (*eap->arg != NUL)
8723 fname = eap->arg;
8724 else if (eap->cmdidx == CMD_mkvimrc)
8725 fname = (char_u *)VIMRC_FILE;
8726 #ifdef FEAT_SESSION
8727 else if (eap->cmdidx == CMD_mksession)
8728 fname = (char_u *)SESSION_FILE;
8729 #endif
8730 else
8731 fname = (char_u *)EXRC_FILE;
8732
8733 #ifdef FEAT_BROWSE
8734 if (cmdmod.browse)
8735 {
8736 browseFile = do_browse(BROWSE_SAVE,
8737 # ifdef FEAT_SESSION
8738 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8739 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8740 # endif
8741 (char_u *)_("Save Setup"),
8742 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8743 if (browseFile == NULL)
8744 goto theend;
8745 fname = browseFile;
8746 eap->forceit = TRUE; /* since dialog already asked */
8747 }
8748 #endif
8749
8750 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8751 /* When using 'viewdir' may have to create the directory. */
8752 if (using_vdir && !mch_isdir(p_vdir))
8753 vim_mkdir_emsg(p_vdir, 0755);
8754 #endif
8755
8756 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8757 if (fd != NULL)
8758 {
8759 #ifdef FEAT_SESSION
8760 if (eap->cmdidx == CMD_mkview)
8761 flagp = &vop_flags;
8762 else
8763 flagp = &ssop_flags;
8764 #endif
8765
8766 #ifdef MKSESSION_NL
8767 /* "unix" in 'sessionoptions': use NL line separator */
8768 if (view_session && (*flagp & SSOP_UNIX))
8769 mksession_nl = TRUE;
8770 #endif
8771
8772 /* Write the version command for :mkvimrc */
8773 if (eap->cmdidx == CMD_mkvimrc)
8774 (void)put_line(fd, "version 6.0");
8775
8776 #ifdef FEAT_SESSION
8777 if (eap->cmdidx == CMD_mksession)
8778 {
8779 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8780 failed = TRUE;
8781 }
8782
8783 if (eap->cmdidx != CMD_mkview)
8784 #endif
8785 {
8786 /* Write setting 'compatible' first, because it has side effects.
8787 * For that same reason only do it when needed. */
8788 if (p_cp)
8789 (void)put_line(fd, "if !&cp | set cp | endif");
8790 else
8791 (void)put_line(fd, "if &cp | set nocp | endif");
8792 }
8793
8794 #ifdef FEAT_SESSION
8795 if (!view_session
8796 || (eap->cmdidx == CMD_mksession
8797 && (*flagp & SSOP_OPTIONS)))
8798 #endif
8799 failed |= (makemap(fd, NULL) == FAIL
8800 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8801
8802 #ifdef FEAT_SESSION
8803 if (!failed && view_session)
8804 {
8805 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8806 failed = TRUE;
8807 if (eap->cmdidx == CMD_mksession)
8808 {
8809 char_u dirnow[MAXPATHL]; /* current directory */
8810
8811 /*
8812 * Change to session file's dir.
8813 */
8814 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8815 || mch_chdir((char *)dirnow) != 0)
8816 *dirnow = NUL;
8817 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8818 {
8819 if (vim_chdirfile(fname) == OK)
8820 shorten_fnames(TRUE);
8821 }
8822 else if (*dirnow != NUL
8823 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8824 {
8825 if (mch_chdir((char *)globaldir) == 0)
8826 shorten_fnames(TRUE);
8827 }
8828
8829 failed |= (makeopens(fd, dirnow) == FAIL);
8830
8831 /* restore original dir */
8832 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8833 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8834 {
8835 if (mch_chdir((char *)dirnow) != 0)
8836 EMSG(_(e_prev_dir));
8837 shorten_fnames(TRUE);
8838 }
8839 }
8840 else
8841 {
8842 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8843 -1) == FAIL);
8844 }
8845 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8846 == FAIL)
8847 failed = TRUE;
8848 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8849 failed = TRUE;
8850 if (eap->cmdidx == CMD_mksession)
8851 {
8852 if (put_line(fd, "unlet SessionLoad") == FAIL)
8853 failed = TRUE;
8854 }
8855 }
8856 #endif
8857 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8858 failed = TRUE;
8859
8860 failed |= fclose(fd);
8861
8862 if (failed)
8863 EMSG(_(e_write));
8864 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8865 else if (eap->cmdidx == CMD_mksession)
8866 {
8867 /* successful session write - set this_session var */
8868 char_u tbuf[MAXPATHL];
8869
8870 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8871 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8872 }
8873 #endif
8874 #ifdef MKSESSION_NL
8875 mksession_nl = FALSE;
8876 #endif
8877 }
8878
8879 #ifdef FEAT_BROWSE
8880 theend:
8881 vim_free(browseFile);
8882 #endif
8883 #ifdef FEAT_SESSION
8884 vim_free(viewFile);
8885 #endif
8886 }
8887
8888 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8889 || defined(PROTO)
8890 int
8891 vim_mkdir_emsg(name, prot)
8892 char_u *name;
8893 int prot UNUSED;
8894 {
8895 if (vim_mkdir(name, prot) != 0)
8896 {
8897 EMSG2(_("E739: Cannot create directory: %s"), name);
8898 return FAIL;
8899 }
8900 return OK;
8901 }
8902 #endif
8903
8904 /*
8905 * Open a file for writing for an Ex command, with some checks.
8906 * Return file descriptor, or NULL on failure.
8907 */
8908 FILE *
8909 open_exfile(fname, forceit, mode)
8910 char_u *fname;
8911 int forceit;
8912 char *mode; /* "w" for create new file or "a" for append */
8913 {
8914 FILE *fd;
8915
8916 #ifdef UNIX
8917 /* with Unix it is possible to open a directory */
8918 if (mch_isdir(fname))
8919 {
8920 EMSG2(_(e_isadir2), fname);
8921 return NULL;
8922 }
8923 #endif
8924 if (!forceit && *mode != 'a' && vim_fexists(fname))
8925 {
8926 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8927 return NULL;
8928 }
8929
8930 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8931 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8932
8933 return fd;
8934 }
8935
8936 /*
8937 * ":mark" and ":k".
8938 */
8939 static void
8940 ex_mark(eap)
8941 exarg_T *eap;
8942 {
8943 pos_T pos;
8944
8945 if (*eap->arg == NUL) /* No argument? */
8946 EMSG(_(e_argreq));
8947 else if (eap->arg[1] != NUL) /* more than one character? */
8948 EMSG(_(e_trailing));
8949 else
8950 {
8951 pos = curwin->w_cursor; /* save curwin->w_cursor */
8952 curwin->w_cursor.lnum = eap->line2;
8953 beginline(BL_WHITE | BL_FIX);
8954 if (setmark(*eap->arg) == FAIL) /* set mark */
8955 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8956 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8957 }
8958 }
8959
8960 /*
8961 * Update w_topline, w_leftcol and the cursor position.
8962 */
8963 void
8964 update_topline_cursor()
8965 {
8966 check_cursor(); /* put cursor on valid line */
8967 update_topline();
8968 if (!curwin->w_p_wrap)
8969 validate_cursor();
8970 update_curswant();
8971 }
8972
8973 #ifdef FEAT_EX_EXTRA
8974 /*
8975 * ":normal[!] {commands}": Execute normal mode commands.
8976 */
8977 static void
8978 ex_normal(eap)
8979 exarg_T *eap;
8980 {
8981 int save_msg_scroll = msg_scroll;
8982 int save_restart_edit = restart_edit;
8983 int save_msg_didout = msg_didout;
8984 int save_State = State;
8985 tasave_T tabuf;
8986 int save_insertmode = p_im;
8987 int save_finish_op = finish_op;
8988 int save_opcount = opcount;
8989 #ifdef FEAT_MBYTE
8990 char_u *arg = NULL;
8991 int l;
8992 char_u *p;
8993 #endif
8994
8995 if (ex_normal_lock > 0)
8996 {
8997 EMSG(_(e_secure));
8998 return;
8999 }
9000 if (ex_normal_busy >= p_mmd)
9001 {
9002 EMSG(_("E192: Recursive use of :normal too deep"));
9003 return;
9004 }
9005 ++ex_normal_busy;
9006
9007 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9008 restart_edit = 0; /* don't go to Insert mode */
9009 p_im = FALSE; /* don't use 'insertmode' */
9010
9011 #ifdef FEAT_MBYTE
9012 /*
9013 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9014 * this for the K_SPECIAL leading byte, otherwise special keys will not
9015 * work.
9016 */
9017 if (has_mbyte)
9018 {
9019 int len = 0;
9020
9021 /* Count the number of characters to be escaped. */
9022 for (p = eap->arg; *p != NUL; ++p)
9023 {
9024 # ifdef FEAT_GUI
9025 if (*p == CSI) /* leadbyte CSI */
9026 len += 2;
9027 # endif
9028 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9029 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9030 # ifdef FEAT_GUI
9031 || *p == CSI
9032 # endif
9033 )
9034 len += 2;
9035 }
9036 if (len > 0)
9037 {
9038 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9039 if (arg != NULL)
9040 {
9041 len = 0;
9042 for (p = eap->arg; *p != NUL; ++p)
9043 {
9044 arg[len++] = *p;
9045 # ifdef FEAT_GUI
9046 if (*p == CSI)
9047 {
9048 arg[len++] = KS_EXTRA;
9049 arg[len++] = (int)KE_CSI;
9050 }
9051 # endif
9052 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9053 {
9054 arg[len++] = *++p;
9055 if (*p == K_SPECIAL)
9056 {
9057 arg[len++] = KS_SPECIAL;
9058 arg[len++] = KE_FILLER;
9059 }
9060 # ifdef FEAT_GUI
9061 else if (*p == CSI)
9062 {
9063 arg[len++] = KS_EXTRA;
9064 arg[len++] = (int)KE_CSI;
9065 }
9066 # endif
9067 }
9068 arg[len] = NUL;
9069 }
9070 }
9071 }
9072 }
9073 #endif
9074
9075 /*
9076 * Save the current typeahead. This is required to allow using ":normal"
9077 * from an event handler and makes sure we don't hang when the argument
9078 * ends with half a command.
9079 */
9080 save_typeahead(&tabuf);
9081 if (tabuf.typebuf_valid)
9082 {
9083 /*
9084 * Repeat the :normal command for each line in the range. When no
9085 * range given, execute it just once, without positioning the cursor
9086 * first.
9087 */
9088 do
9089 {
9090 if (eap->addr_count != 0)
9091 {
9092 curwin->w_cursor.lnum = eap->line1++;
9093 curwin->w_cursor.col = 0;
9094 }
9095
9096 exec_normal_cmd(
9097 #ifdef FEAT_MBYTE
9098 arg != NULL ? arg :
9099 #endif
9100 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9101 }
9102 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9103 }
9104
9105 /* Might not return to the main loop when in an event handler. */
9106 update_topline_cursor();
9107
9108 /* Restore the previous typeahead. */
9109 restore_typeahead(&tabuf);
9110
9111 --ex_normal_busy;
9112 msg_scroll = save_msg_scroll;
9113 restart_edit = save_restart_edit;
9114 p_im = save_insertmode;
9115 finish_op = save_finish_op;
9116 opcount = save_opcount;
9117 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9118
9119 /* Restore the state (needed when called from a function executed for
9120 * 'indentexpr'). */
9121 State = save_State;
9122 #ifdef FEAT_MBYTE
9123 vim_free(arg);
9124 #endif
9125 }
9126
9127 /*
9128 * ":startinsert", ":startreplace" and ":startgreplace"
9129 */
9130 static void
9131 ex_startinsert(eap)
9132 exarg_T *eap;
9133 {
9134 if (eap->forceit)
9135 {
9136 coladvance((colnr_T)MAXCOL);
9137 curwin->w_curswant = MAXCOL;
9138 curwin->w_set_curswant = FALSE;
9139 }
9140
9141 /* Ignore the command when already in Insert mode. Inserting an
9142 * expression register that invokes a function can do this. */
9143 if (State & INSERT)
9144 return;
9145
9146 if (eap->cmdidx == CMD_startinsert)
9147 restart_edit = 'a';
9148 else if (eap->cmdidx == CMD_startreplace)
9149 restart_edit = 'R';
9150 else
9151 restart_edit = 'V';
9152
9153 if (!eap->forceit)
9154 {
9155 if (eap->cmdidx == CMD_startinsert)
9156 restart_edit = 'i';
9157 curwin->w_curswant = 0; /* avoid MAXCOL */
9158 }
9159 }
9160
9161 /*
9162 * ":stopinsert"
9163 */
9164 static void
9165 ex_stopinsert(eap)
9166 exarg_T *eap UNUSED;
9167 {
9168 restart_edit = 0;
9169 stop_insert_mode = TRUE;
9170 }
9171 #endif
9172
9173 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9174 /*
9175 * Execute normal mode command "cmd".
9176 * "remap" can be REMAP_NONE or REMAP_YES.
9177 */
9178 void
9179 exec_normal_cmd(cmd, remap, silent)
9180 char_u *cmd;
9181 int remap;
9182 int silent;
9183 {
9184 oparg_T oa;
9185
9186 /*
9187 * Stuff the argument into the typeahead buffer.
9188 * Execute normal_cmd() until there is no typeahead left.
9189 */
9190 clear_oparg(&oa);
9191 finish_op = FALSE;
9192 ins_typebuf(cmd, remap, 0, TRUE, silent);
9193 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9194 && !got_int)
9195 {
9196 update_topline_cursor();
9197 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9198 }
9199 }
9200 #endif
9201
9202 #ifdef FEAT_FIND_ID
9203 static void
9204 ex_checkpath(eap)
9205 exarg_T *eap;
9206 {
9207 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9208 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9209 (linenr_T)1, (linenr_T)MAXLNUM);
9210 }
9211
9212 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9213 /*
9214 * ":psearch"
9215 */
9216 static void
9217 ex_psearch(eap)
9218 exarg_T *eap;
9219 {
9220 g_do_tagpreview = p_pvh;
9221 ex_findpat(eap);
9222 g_do_tagpreview = 0;
9223 }
9224 #endif
9225
9226 static void
9227 ex_findpat(eap)
9228 exarg_T *eap;
9229 {
9230 int whole = TRUE;
9231 long n;
9232 char_u *p;
9233 int action;
9234
9235 switch (cmdnames[eap->cmdidx].cmd_name[2])
9236 {
9237 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9238 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9239 action = ACTION_GOTO;
9240 else
9241 action = ACTION_SHOW;
9242 break;
9243 case 'i': /* ":ilist" and ":dlist" */
9244 action = ACTION_SHOW_ALL;
9245 break;
9246 case 'u': /* ":ijump" and ":djump" */
9247 action = ACTION_GOTO;
9248 break;
9249 default: /* ":isplit" and ":dsplit" */
9250 action = ACTION_SPLIT;
9251 break;
9252 }
9253
9254 n = 1;
9255 if (vim_isdigit(*eap->arg)) /* get count */
9256 {
9257 n = getdigits(&eap->arg);
9258 eap->arg = skipwhite(eap->arg);
9259 }
9260 if (*eap->arg == '/') /* Match regexp, not just whole words */
9261 {
9262 whole = FALSE;
9263 ++eap->arg;
9264 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9265 if (*p)
9266 {
9267 *p++ = NUL;
9268 p = skipwhite(p);
9269
9270 /* Check for trailing illegal characters */
9271 if (!ends_excmd(*p))
9272 eap->errmsg = e_trailing;
9273 else
9274 eap->nextcmd = check_nextcmd(p);
9275 }
9276 }
9277 if (!eap->skip)
9278 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9279 whole, !eap->forceit,
9280 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9281 n, action, eap->line1, eap->line2);
9282 }
9283 #endif
9284
9285 #ifdef FEAT_WINDOWS
9286
9287 # ifdef FEAT_QUICKFIX
9288 /*
9289 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9290 */
9291 static void
9292 ex_ptag(eap)
9293 exarg_T *eap;
9294 {
9295 g_do_tagpreview = p_pvh;
9296 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9297 }
9298
9299 /*
9300 * ":pedit"
9301 */
9302 static void
9303 ex_pedit(eap)
9304 exarg_T *eap;
9305 {
9306 win_T *curwin_save = curwin;
9307
9308 g_do_tagpreview = p_pvh;
9309 prepare_tagpreview(TRUE);
9310 keep_help_flag = curwin_save->w_buffer->b_help;
9311 do_exedit(eap, NULL);
9312 keep_help_flag = FALSE;
9313 if (curwin != curwin_save && win_valid(curwin_save))
9314 {
9315 /* Return cursor to where we were */
9316 validate_cursor();
9317 redraw_later(VALID);
9318 win_enter(curwin_save, TRUE);
9319 }
9320 g_do_tagpreview = 0;
9321 }
9322 # endif
9323
9324 /*
9325 * ":stag", ":stselect" and ":stjump".
9326 */
9327 static void
9328 ex_stag(eap)
9329 exarg_T *eap;
9330 {
9331 postponed_split = -1;
9332 postponed_split_flags = cmdmod.split;
9333 postponed_split_tab = cmdmod.tab;
9334 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9335 postponed_split_flags = 0;
9336 postponed_split_tab = 0;
9337 }
9338 #endif
9339
9340 /*
9341 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9342 */
9343 static void
9344 ex_tag(eap)
9345 exarg_T *eap;
9346 {
9347 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9348 }
9349
9350 static void
9351 ex_tag_cmd(eap, name)
9352 exarg_T *eap;
9353 char_u *name;
9354 {
9355 int cmd;
9356
9357 switch (name[1])
9358 {
9359 case 'j': cmd = DT_JUMP; /* ":tjump" */
9360 break;
9361 case 's': cmd = DT_SELECT; /* ":tselect" */
9362 break;
9363 case 'p': cmd = DT_PREV; /* ":tprevious" */
9364 break;
9365 case 'N': cmd = DT_PREV; /* ":tNext" */
9366 break;
9367 case 'n': cmd = DT_NEXT; /* ":tnext" */
9368 break;
9369 case 'o': cmd = DT_POP; /* ":pop" */
9370 break;
9371 case 'f': /* ":tfirst" */
9372 case 'r': cmd = DT_FIRST; /* ":trewind" */
9373 break;
9374 case 'l': cmd = DT_LAST; /* ":tlast" */
9375 break;
9376 default: /* ":tag" */
9377 #ifdef FEAT_CSCOPE
9378 if (p_cst && *eap->arg != NUL)
9379 {
9380 do_cstag(eap);
9381 return;
9382 }
9383 #endif
9384 cmd = DT_TAG;
9385 break;
9386 }
9387
9388 if (name[0] == 'l')
9389 {
9390 #ifndef FEAT_QUICKFIX
9391 ex_ni(eap);
9392 return;
9393 #else
9394 cmd = DT_LTAG;
9395 #endif
9396 }
9397
9398 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9399 eap->forceit, TRUE);
9400 }
9401
9402 /*
9403 * Check "str" for starting with a special cmdline variable.
9404 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9405 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9406 */
9407 int
9408 find_cmdline_var(src, usedlen)
9409 char_u *src;
9410 int *usedlen;
9411 {
9412 int len;
9413 int i;
9414 static char *(spec_str[]) = {
9415 "%",
9416 #define SPEC_PERC 0
9417 "#",
9418 #define SPEC_HASH 1
9419 "<cword>", /* cursor word */
9420 #define SPEC_CWORD 2
9421 "<cWORD>", /* cursor WORD */
9422 #define SPEC_CCWORD 3
9423 "<cfile>", /* cursor path name */
9424 #define SPEC_CFILE 4
9425 "<sfile>", /* ":so" file name */
9426 #define SPEC_SFILE 5
9427 #ifdef FEAT_AUTOCMD
9428 "<afile>", /* autocommand file name */
9429 # define SPEC_AFILE 6
9430 "<abuf>", /* autocommand buffer number */
9431 # define SPEC_ABUF 7
9432 "<amatch>", /* autocommand match name */
9433 # define SPEC_AMATCH 8
9434 #endif
9435 #ifdef FEAT_CLIENTSERVER
9436 "<client>"
9437 # define SPEC_CLIENT 9
9438 #endif
9439 };
9440
9441 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9442 {
9443 len = (int)STRLEN(spec_str[i]);
9444 if (STRNCMP(src, spec_str[i], len) == 0)
9445 {
9446 *usedlen = len;
9447 return i;
9448 }
9449 }
9450 return -1;
9451 }
9452
9453 /*
9454 * Evaluate cmdline variables.
9455 *
9456 * change '%' to curbuf->b_ffname
9457 * '#' to curwin->w_altfile
9458 * '<cword>' to word under the cursor
9459 * '<cWORD>' to WORD under the cursor
9460 * '<cfile>' to path name under the cursor
9461 * '<sfile>' to sourced file name
9462 * '<afile>' to file name for autocommand
9463 * '<abuf>' to buffer number for autocommand
9464 * '<amatch>' to matching name for autocommand
9465 *
9466 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9467 * "" for error without a message) and NULL is returned.
9468 * Returns an allocated string if a valid match was found.
9469 * Returns NULL if no match was found. "usedlen" then still contains the
9470 * number of characters to skip.
9471 */
9472 char_u *
9473 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9474 char_u *src; /* pointer into commandline */
9475 char_u *srcstart; /* beginning of valid memory for src */
9476 int *usedlen; /* characters after src that are used */
9477 linenr_T *lnump; /* line number for :e command, or NULL */
9478 char_u **errormsg; /* pointer to error message */
9479 int *escaped; /* return value has escaped white space (can
9480 * be NULL) */
9481 {
9482 int i;
9483 char_u *s;
9484 char_u *result;
9485 char_u *resultbuf = NULL;
9486 int resultlen;
9487 buf_T *buf;
9488 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9489 int spec_idx;
9490 #ifdef FEAT_MODIFY_FNAME
9491 int skip_mod = FALSE;
9492 #endif
9493
9494 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9495 char_u strbuf[30];
9496 #endif
9497
9498 *errormsg = NULL;
9499 if (escaped != NULL)
9500 *escaped = FALSE;
9501
9502 /*
9503 * Check if there is something to do.
9504 */
9505 spec_idx = find_cmdline_var(src, usedlen);
9506 if (spec_idx < 0) /* no match */
9507 {
9508 *usedlen = 1;
9509 return NULL;
9510 }
9511
9512 /*
9513 * Skip when preceded with a backslash "\%" and "\#".
9514 * Note: In "\\%" the % is also not recognized!
9515 */
9516 if (src > srcstart && src[-1] == '\\')
9517 {
9518 *usedlen = 0;
9519 STRMOVE(src - 1, src); /* remove backslash */
9520 return NULL;
9521 }
9522
9523 /*
9524 * word or WORD under cursor
9525 */
9526 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9527 {
9528 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9529 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9530 if (resultlen == 0)
9531 {
9532 *errormsg = (char_u *)"";
9533 return NULL;
9534 }
9535 }
9536
9537 /*
9538 * '#': Alternate file name
9539 * '%': Current file name
9540 * File name under the cursor
9541 * File name for autocommand
9542 * and following modifiers
9543 */
9544 else
9545 {
9546 switch (spec_idx)
9547 {
9548 case SPEC_PERC: /* '%': current file */
9549 if (curbuf->b_fname == NULL)
9550 {
9551 result = (char_u *)"";
9552 valid = 0; /* Must have ":p:h" to be valid */
9553 }
9554 else
9555 #ifdef RISCOS
9556 /* Always use the full path for RISC OS if possible. */
9557 result = curbuf->b_ffname;
9558 if (result == NULL)
9559 result = curbuf->b_fname;
9560 #else
9561 result = curbuf->b_fname;
9562 #endif
9563 break;
9564
9565 case SPEC_HASH: /* '#' or "#99": alternate file */
9566 if (src[1] == '#') /* "##": the argument list */
9567 {
9568 result = arg_all();
9569 resultbuf = result;
9570 *usedlen = 2;
9571 if (escaped != NULL)
9572 *escaped = TRUE;
9573 #ifdef FEAT_MODIFY_FNAME
9574 skip_mod = TRUE;
9575 #endif
9576 break;
9577 }
9578 s = src + 1;
9579 if (*s == '<') /* "#<99" uses v:oldfiles */
9580 ++s;
9581 i = (int)getdigits(&s);
9582 *usedlen = (int)(s - src); /* length of what we expand */
9583
9584 if (src[1] == '<')
9585 {
9586 if (*usedlen < 2)
9587 {
9588 /* Should we give an error message for #<text? */
9589 *usedlen = 1;
9590 return NULL;
9591 }
9592 #ifdef FEAT_EVAL
9593 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9594 (long)i);
9595 if (result == NULL)
9596 {
9597 *errormsg = (char_u *)"";
9598 return NULL;
9599 }
9600 #else
9601 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9602 return NULL;
9603 #endif
9604 }
9605 else
9606 {
9607 buf = buflist_findnr(i);
9608 if (buf == NULL)
9609 {
9610 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9611 return NULL;
9612 }
9613 if (lnump != NULL)
9614 *lnump = ECMD_LAST;
9615 if (buf->b_fname == NULL)
9616 {
9617 result = (char_u *)"";
9618 valid = 0; /* Must have ":p:h" to be valid */
9619 }
9620 else
9621 result = buf->b_fname;
9622 }
9623 break;
9624
9625 #ifdef FEAT_SEARCHPATH
9626 case SPEC_CFILE: /* file name under cursor */
9627 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9628 if (result == NULL)
9629 {
9630 *errormsg = (char_u *)"";
9631 return NULL;
9632 }
9633 resultbuf = result; /* remember allocated string */
9634 break;
9635 #endif
9636
9637 #ifdef FEAT_AUTOCMD
9638 case SPEC_AFILE: /* file name for autocommand */
9639 result = autocmd_fname;
9640 if (result != NULL && !autocmd_fname_full)
9641 {
9642 /* Still need to turn the fname into a full path. It is
9643 * postponed to avoid a delay when <afile> is not used. */
9644 autocmd_fname_full = TRUE;
9645 result = FullName_save(autocmd_fname, FALSE);
9646 vim_free(autocmd_fname);
9647 autocmd_fname = result;
9648 }
9649 if (result == NULL)
9650 {
9651 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9652 return NULL;
9653 }
9654 result = shorten_fname1(result);
9655 break;
9656
9657 case SPEC_ABUF: /* buffer number for autocommand */
9658 if (autocmd_bufnr <= 0)
9659 {
9660 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9661 return NULL;
9662 }
9663 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9664 result = strbuf;
9665 break;
9666
9667 case SPEC_AMATCH: /* match name for autocommand */
9668 result = autocmd_match;
9669 if (result == NULL)
9670 {
9671 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9672 return NULL;
9673 }
9674 break;
9675
9676 #endif
9677 case SPEC_SFILE: /* file name for ":so" command */
9678 result = sourcing_name;
9679 if (result == NULL)
9680 {
9681 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9682 return NULL;
9683 }
9684 break;
9685 #if defined(FEAT_CLIENTSERVER)
9686 case SPEC_CLIENT: /* Source of last submitted input */
9687 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9688 (long_u)clientWindow);
9689 result = strbuf;
9690 break;
9691 #endif
9692 }
9693
9694 resultlen = (int)STRLEN(result); /* length of new string */
9695 if (src[*usedlen] == '<') /* remove the file name extension */
9696 {
9697 ++*usedlen;
9698 #ifdef RISCOS
9699 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9700 #else
9701 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9702 #endif
9703 resultlen = (int)(s - result);
9704 }
9705 #ifdef FEAT_MODIFY_FNAME
9706 else if (!skip_mod)
9707 {
9708 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9709 &resultlen);
9710 if (result == NULL)
9711 {
9712 *errormsg = (char_u *)"";
9713 return NULL;
9714 }
9715 }
9716 #endif
9717 }
9718
9719 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9720 {
9721 if (valid != VALID_HEAD + VALID_PATH)
9722 /* xgettext:no-c-format */
9723 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9724 else
9725 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9726 result = NULL;
9727 }
9728 else
9729 result = vim_strnsave(result, resultlen);
9730 vim_free(resultbuf);
9731 return result;
9732 }
9733
9734 /*
9735 * Concatenate all files in the argument list, separated by spaces, and return
9736 * it in one allocated string.
9737 * Spaces and backslashes in the file names are escaped with a backslash.
9738 * Returns NULL when out of memory.
9739 */
9740 static char_u *
9741 arg_all()
9742 {
9743 int len;
9744 int idx;
9745 char_u *retval = NULL;
9746 char_u *p;
9747
9748 /*
9749 * Do this loop two times:
9750 * first time: compute the total length
9751 * second time: concatenate the names
9752 */
9753 for (;;)
9754 {
9755 len = 0;
9756 for (idx = 0; idx < ARGCOUNT; ++idx)
9757 {
9758 p = alist_name(&ARGLIST[idx]);
9759 if (p != NULL)
9760 {
9761 if (len > 0)
9762 {
9763 /* insert a space in between names */
9764 if (retval != NULL)
9765 retval[len] = ' ';
9766 ++len;
9767 }
9768 for ( ; *p != NUL; ++p)
9769 {
9770 if (*p == ' ' || *p == '\\')
9771 {
9772 /* insert a backslash */
9773 if (retval != NULL)
9774 retval[len] = '\\';
9775 ++len;
9776 }
9777 if (retval != NULL)
9778 retval[len] = *p;
9779 ++len;
9780 }
9781 }
9782 }
9783
9784 /* second time: break here */
9785 if (retval != NULL)
9786 {
9787 retval[len] = NUL;
9788 break;
9789 }
9790
9791 /* allocate memory */
9792 retval = alloc((unsigned)len + 1);
9793 if (retval == NULL)
9794 break;
9795 }
9796
9797 return retval;
9798 }
9799
9800 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9801 /*
9802 * Expand the <sfile> string in "arg".
9803 *
9804 * Returns an allocated string, or NULL for any error.
9805 */
9806 char_u *
9807 expand_sfile(arg)
9808 char_u *arg;
9809 {
9810 char_u *errormsg;
9811 int len;
9812 char_u *result;
9813 char_u *newres;
9814 char_u *repl;
9815 int srclen;
9816 char_u *p;
9817
9818 result = vim_strsave(arg);
9819 if (result == NULL)
9820 return NULL;
9821
9822 for (p = result; *p; )
9823 {
9824 if (STRNCMP(p, "<sfile>", 7) != 0)
9825 ++p;
9826 else
9827 {
9828 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9829 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9830 if (errormsg != NULL)
9831 {
9832 if (*errormsg)
9833 emsg(errormsg);
9834 vim_free(result);
9835 return NULL;
9836 }
9837 if (repl == NULL) /* no match (cannot happen) */
9838 {
9839 p += srclen;
9840 continue;
9841 }
9842 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9843 newres = alloc(len);
9844 if (newres == NULL)
9845 {
9846 vim_free(repl);
9847 vim_free(result);
9848 return NULL;
9849 }
9850 mch_memmove(newres, result, (size_t)(p - result));
9851 STRCPY(newres + (p - result), repl);
9852 len = (int)STRLEN(newres);
9853 STRCAT(newres, p + srclen);
9854 vim_free(repl);
9855 vim_free(result);
9856 result = newres;
9857 p = newres + len; /* continue after the match */
9858 }
9859 }
9860
9861 return result;
9862 }
9863 #endif
9864
9865 #ifdef FEAT_SESSION
9866 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9867 win_T *tab_firstwin));
9868 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9869 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9870 static int ses_do_frame __ARGS((frame_T *fr));
9871 static int ses_do_win __ARGS((win_T *wp));
9872 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9873 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9874 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9875
9876 /*
9877 * Write openfile commands for the current buffers to an .exrc file.
9878 * Return FAIL on error, OK otherwise.
9879 */
9880 static int
9881 makeopens(fd, dirnow)
9882 FILE *fd;
9883 char_u *dirnow; /* Current directory name */
9884 {
9885 buf_T *buf;
9886 int only_save_windows = TRUE;
9887 int nr;
9888 int cnr = 1;
9889 int restore_size = TRUE;
9890 win_T *wp;
9891 char_u *sname;
9892 win_T *edited_win = NULL;
9893 int tabnr;
9894 win_T *tab_firstwin;
9895 frame_T *tab_topframe;
9896 int cur_arg_idx = 0;
9897 int next_arg_idx = 0;
9898
9899 if (ssop_flags & SSOP_BUFFERS)
9900 only_save_windows = FALSE; /* Save ALL buffers */
9901
9902 /*
9903 * Begin by setting the this_session variable, and then other
9904 * sessionable variables.
9905 */
9906 #ifdef FEAT_EVAL
9907 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9908 return FAIL;
9909 if (ssop_flags & SSOP_GLOBALS)
9910 if (store_session_globals(fd) == FAIL)
9911 return FAIL;
9912 #endif
9913
9914 /*
9915 * Close all windows but one.
9916 */
9917 if (put_line(fd, "silent only") == FAIL)
9918 return FAIL;
9919
9920 /*
9921 * Now a :cd command to the session directory or the current directory
9922 */
9923 if (ssop_flags & SSOP_SESDIR)
9924 {
9925 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9926 == FAIL)
9927 return FAIL;
9928 }
9929 else if (ssop_flags & SSOP_CURDIR)
9930 {
9931 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9932 if (sname == NULL
9933 || fputs("cd ", fd) < 0
9934 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9935 || put_eol(fd) == FAIL)
9936 {
9937 vim_free(sname);
9938 return FAIL;
9939 }
9940 vim_free(sname);
9941 }
9942
9943 /*
9944 * If there is an empty, unnamed buffer we will wipe it out later.
9945 * Remember the buffer number.
9946 */
9947 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9948 return FAIL;
9949 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9950 return FAIL;
9951 if (put_line(fd, "endif") == FAIL)
9952 return FAIL;
9953
9954 /*
9955 * Now save the current files, current buffer first.
9956 */
9957 if (put_line(fd, "set shortmess=aoO") == FAIL)
9958 return FAIL;
9959
9960 /* Now put the other buffers into the buffer list */
9961 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9962 {
9963 if (!(only_save_windows && buf->b_nwindows == 0)
9964 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9965 && buf->b_fname != NULL
9966 && buf->b_p_bl)
9967 {
9968 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9969 : buf->b_wininfo->wi_fpos.lnum) < 0
9970 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9971 return FAIL;
9972 }
9973 }
9974
9975 /* the global argument list */
9976 if (ses_arglist(fd, "args", &global_alist.al_ga,
9977 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9978 return FAIL;
9979
9980 if (ssop_flags & SSOP_RESIZE)
9981 {
9982 /* Note: after the restore we still check it worked!*/
9983 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9984 || put_eol(fd) == FAIL)
9985 return FAIL;
9986 }
9987
9988 #ifdef FEAT_GUI
9989 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9990 {
9991 int x, y;
9992
9993 if (gui_mch_get_winpos(&x, &y) == OK)
9994 {
9995 /* Note: after the restore we still check it worked!*/
9996 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9997 return FAIL;
9998 }
9999 }
10000 #endif
10001
10002 /*
10003 * May repeat putting Windows for each tab, when "tabpages" is in
10004 * 'sessionoptions'.
10005 * Don't use goto_tabpage(), it may change directory and trigger
10006 * autocommands.
10007 */
10008 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10009 tab_topframe = topframe;
10010 for (tabnr = 1; ; ++tabnr)
10011 {
10012 int need_tabnew = FALSE;
10013
10014 if ((ssop_flags & SSOP_TABPAGES))
10015 {
10016 tabpage_T *tp = find_tabpage(tabnr);
10017
10018 if (tp == NULL)
10019 break; /* done all tab pages */
10020 if (tp == curtab)
10021 {
10022 tab_firstwin = firstwin;
10023 tab_topframe = topframe;
10024 }
10025 else
10026 {
10027 tab_firstwin = tp->tp_firstwin;
10028 tab_topframe = tp->tp_topframe;
10029 }
10030 if (tabnr > 1)
10031 need_tabnew = TRUE;
10032 }
10033
10034 /*
10035 * Before creating the window layout, try loading one file. If this
10036 * is aborted we don't end up with a number of useless windows.
10037 * This may have side effects! (e.g., compressed or network file).
10038 */
10039 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10040 {
10041 if (ses_do_win(wp)
10042 && wp->w_buffer->b_ffname != NULL
10043 && !wp->w_buffer->b_help
10044 #ifdef FEAT_QUICKFIX
10045 && !bt_nofile(wp->w_buffer)
10046 #endif
10047 )
10048 {
10049 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10050 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10051 return FAIL;
10052 need_tabnew = FALSE;
10053 if (!wp->w_arg_idx_invalid)
10054 edited_win = wp;
10055 break;
10056 }
10057 }
10058
10059 /* If no file got edited create an empty tab page. */
10060 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10061 return FAIL;
10062
10063 /*
10064 * Save current window layout.
10065 */
10066 if (put_line(fd, "set splitbelow splitright") == FAIL)
10067 return FAIL;
10068 if (ses_win_rec(fd, tab_topframe) == FAIL)
10069 return FAIL;
10070 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10071 return FAIL;
10072 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10073 return FAIL;
10074
10075 /*
10076 * Check if window sizes can be restored (no windows omitted).
10077 * Remember the window number of the current window after restoring.
10078 */
10079 nr = 0;
10080 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10081 {
10082 if (ses_do_win(wp))
10083 ++nr;
10084 else
10085 restore_size = FALSE;
10086 if (curwin == wp)
10087 cnr = nr;
10088 }
10089
10090 /* Go to the first window. */
10091 if (put_line(fd, "wincmd t") == FAIL)
10092 return FAIL;
10093
10094 /*
10095 * If more than one window, see if sizes can be restored.
10096 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10097 * resized when moving between windows.
10098 * Do this before restoring the view, so that the topline and the
10099 * cursor can be set. This is done again below.
10100 */
10101 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10102 return FAIL;
10103 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10104 return FAIL;
10105
10106 /*
10107 * Restore the view of the window (options, file, cursor, etc.).
10108 */
10109 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10110 {
10111 if (!ses_do_win(wp))
10112 continue;
10113 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10114 cur_arg_idx) == FAIL)
10115 return FAIL;
10116 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10117 return FAIL;
10118 next_arg_idx = wp->w_arg_idx;
10119 }
10120
10121 /* The argument index in the first tab page is zero, need to set it in
10122 * each window. For further tab pages it's the window where we do
10123 * "tabedit". */
10124 cur_arg_idx = next_arg_idx;
10125
10126 /*
10127 * Restore cursor to the current window if it's not the first one.
10128 */
10129 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10130 || put_eol(fd) == FAIL))
10131 return FAIL;
10132
10133 /*
10134 * Restore window sizes again after jumping around in windows, because
10135 * the current window has a minimum size while others may not.
10136 */
10137 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10138 return FAIL;
10139
10140 /* Don't continue in another tab page when doing only the current one
10141 * or when at the last tab page. */
10142 if (!(ssop_flags & SSOP_TABPAGES))
10143 break;
10144 }
10145
10146 if (ssop_flags & SSOP_TABPAGES)
10147 {
10148 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10149 || put_eol(fd) == FAIL)
10150 return FAIL;
10151 }
10152
10153 /*
10154 * Wipe out an empty unnamed buffer we started in.
10155 */
10156 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10157 return FAIL;
10158 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10159 return FAIL;
10160 if (put_line(fd, "endif") == FAIL)
10161 return FAIL;
10162 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10163 return FAIL;
10164
10165 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10166 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10167 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10168 return FAIL;
10169
10170 /*
10171 * Lastly, execute the x.vim file if it exists.
10172 */
10173 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10174 || put_line(fd, "if file_readable(s:sx)") == FAIL
10175 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10176 || put_line(fd, "endif") == FAIL)
10177 return FAIL;
10178
10179 return OK;
10180 }
10181
10182 static int
10183 ses_winsizes(fd, restore_size, tab_firstwin)
10184 FILE *fd;
10185 int restore_size;
10186 win_T *tab_firstwin;
10187 {
10188 int n = 0;
10189 win_T *wp;
10190
10191 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10192 {
10193 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10194 {
10195 if (!ses_do_win(wp))
10196 continue;
10197 ++n;
10198
10199 /* restore height when not full height */
10200 if (wp->w_height + wp->w_status_height < topframe->fr_height
10201 && (fprintf(fd,
10202 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10203 n, (long)wp->w_height, Rows / 2, Rows) < 0
10204 || put_eol(fd) == FAIL))
10205 return FAIL;
10206
10207 /* restore width when not full width */
10208 if (wp->w_width < Columns && (fprintf(fd,
10209 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10210 n, (long)wp->w_width, Columns / 2, Columns) < 0
10211 || put_eol(fd) == FAIL))
10212 return FAIL;
10213 }
10214 }
10215 else
10216 {
10217 /* Just equalise window sizes */
10218 if (put_line(fd, "wincmd =") == FAIL)
10219 return FAIL;
10220 }
10221 return OK;
10222 }
10223
10224 /*
10225 * Write commands to "fd" to recursively create windows for frame "fr",
10226 * horizontally and vertically split.
10227 * After the commands the last window in the frame is the current window.
10228 * Returns FAIL when writing the commands to "fd" fails.
10229 */
10230 static int
10231 ses_win_rec(fd, fr)
10232 FILE *fd;
10233 frame_T *fr;
10234 {
10235 frame_T *frc;
10236 int count = 0;
10237
10238 if (fr->fr_layout != FR_LEAF)
10239 {
10240 /* Find first frame that's not skipped and then create a window for
10241 * each following one (first frame is already there). */
10242 frc = ses_skipframe(fr->fr_child);
10243 if (frc != NULL)
10244 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10245 {
10246 /* Make window as big as possible so that we have lots of room
10247 * to split. */
10248 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10249 || put_line(fd, fr->fr_layout == FR_COL
10250 ? "split" : "vsplit") == FAIL)
10251 return FAIL;
10252 ++count;
10253 }
10254
10255 /* Go back to the first window. */
10256 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10257 ? "%dwincmd k" : "%dwincmd h", count) < 0
10258 || put_eol(fd) == FAIL))
10259 return FAIL;
10260
10261 /* Recursively create frames/windows in each window of this column or
10262 * row. */
10263 frc = ses_skipframe(fr->fr_child);
10264 while (frc != NULL)
10265 {
10266 ses_win_rec(fd, frc);
10267 frc = ses_skipframe(frc->fr_next);
10268 /* Go to next window. */
10269 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10270 return FAIL;
10271 }
10272 }
10273 return OK;
10274 }
10275
10276 /*
10277 * Skip frames that don't contain windows we want to save in the Session.
10278 * Returns NULL when there none.
10279 */
10280 static frame_T *
10281 ses_skipframe(fr)
10282 frame_T *fr;
10283 {
10284 frame_T *frc;
10285
10286 for (frc = fr; frc != NULL; frc = frc->fr_next)
10287 if (ses_do_frame(frc))
10288 break;
10289 return frc;
10290 }
10291
10292 /*
10293 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10294 * the Session.
10295 */
10296 static int
10297 ses_do_frame(fr)
10298 frame_T *fr;
10299 {
10300 frame_T *frc;
10301
10302 if (fr->fr_layout == FR_LEAF)
10303 return ses_do_win(fr->fr_win);
10304 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10305 if (ses_do_frame(frc))
10306 return TRUE;
10307 return FALSE;
10308 }
10309
10310 /*
10311 * Return non-zero if window "wp" is to be stored in the Session.
10312 */
10313 static int
10314 ses_do_win(wp)
10315 win_T *wp;
10316 {
10317 if (wp->w_buffer->b_fname == NULL
10318 #ifdef FEAT_QUICKFIX
10319 /* When 'buftype' is "nofile" can't restore the window contents. */
10320 || bt_nofile(wp->w_buffer)
10321 #endif
10322 )
10323 return (ssop_flags & SSOP_BLANK);
10324 if (wp->w_buffer->b_help)
10325 return (ssop_flags & SSOP_HELP);
10326 return TRUE;
10327 }
10328
10329 /*
10330 * Write commands to "fd" to restore the view of a window.
10331 * Caller must make sure 'scrolloff' is zero.
10332 */
10333 static int
10334 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10335 FILE *fd;
10336 win_T *wp;
10337 int add_edit; /* add ":edit" command to view */
10338 unsigned *flagp; /* vop_flags or ssop_flags */
10339 int current_arg_idx; /* current argument index of the window, use
10340 * -1 if unknown */
10341 {
10342 win_T *save_curwin;
10343 int f;
10344 int do_cursor;
10345 int did_next = FALSE;
10346
10347 /* Always restore cursor position for ":mksession". For ":mkview" only
10348 * when 'viewoptions' contains "cursor". */
10349 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10350
10351 /*
10352 * Local argument list.
10353 */
10354 if (wp->w_alist == &global_alist)
10355 {
10356 if (put_line(fd, "argglobal") == FAIL)
10357 return FAIL;
10358 }
10359 else
10360 {
10361 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10362 flagp == &vop_flags
10363 || !(*flagp & SSOP_CURDIR)
10364 || wp->w_localdir != NULL, flagp) == FAIL)
10365 return FAIL;
10366 }
10367
10368 /* Only when part of a session: restore the argument index. Some
10369 * arguments may have been deleted, check if the index is valid. */
10370 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10371 && flagp == &ssop_flags)
10372 {
10373 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10374 || put_eol(fd) == FAIL)
10375 return FAIL;
10376 did_next = TRUE;
10377 }
10378
10379 /* Edit the file. Skip this when ":next" already did it. */
10380 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10381 {
10382 /*
10383 * Load the file.
10384 */
10385 if (wp->w_buffer->b_ffname != NULL
10386 #ifdef FEAT_QUICKFIX
10387 && !bt_nofile(wp->w_buffer)
10388 #endif
10389 )
10390 {
10391 /*
10392 * Editing a file in this buffer: use ":edit file".
10393 * This may have side effects! (e.g., compressed or network file).
10394 */
10395 if (fputs("edit ", fd) < 0
10396 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10397 return FAIL;
10398 }
10399 else
10400 {
10401 /* No file in this buffer, just make it empty. */
10402 if (put_line(fd, "enew") == FAIL)
10403 return FAIL;
10404 #ifdef FEAT_QUICKFIX
10405 if (wp->w_buffer->b_ffname != NULL)
10406 {
10407 /* The buffer does have a name, but it's not a file name. */
10408 if (fputs("file ", fd) < 0
10409 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10410 return FAIL;
10411 }
10412 #endif
10413 do_cursor = FALSE;
10414 }
10415 }
10416
10417 /*
10418 * Local mappings and abbreviations.
10419 */
10420 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10421 && makemap(fd, wp->w_buffer) == FAIL)
10422 return FAIL;
10423
10424 /*
10425 * Local options. Need to go to the window temporarily.
10426 * Store only local values when using ":mkview" and when ":mksession" is
10427 * used and 'sessionoptions' doesn't include "options".
10428 * Some folding options are always stored when "folds" is included,
10429 * otherwise the folds would not be restored correctly.
10430 */
10431 save_curwin = curwin;
10432 curwin = wp;
10433 curbuf = curwin->w_buffer;
10434 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10435 f = makeset(fd, OPT_LOCAL,
10436 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10437 #ifdef FEAT_FOLDING
10438 else if (*flagp & SSOP_FOLDS)
10439 f = makefoldset(fd);
10440 #endif
10441 else
10442 f = OK;
10443 curwin = save_curwin;
10444 curbuf = curwin->w_buffer;
10445 if (f == FAIL)
10446 return FAIL;
10447
10448 #ifdef FEAT_FOLDING
10449 /*
10450 * Save Folds when 'buftype' is empty and for help files.
10451 */
10452 if ((*flagp & SSOP_FOLDS)
10453 && wp->w_buffer->b_ffname != NULL
10454 # ifdef FEAT_QUICKFIX
10455 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10456 # endif
10457 )
10458 {
10459 if (put_folds(fd, wp) == FAIL)
10460 return FAIL;
10461 }
10462 #endif
10463
10464 /*
10465 * Set the cursor after creating folds, since that moves the cursor.
10466 */
10467 if (do_cursor)
10468 {
10469
10470 /* Restore the cursor line in the file and relatively in the
10471 * window. Don't use "G", it changes the jumplist. */
10472 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10473 (long)wp->w_cursor.lnum,
10474 (long)(wp->w_cursor.lnum - wp->w_topline),
10475 (long)wp->w_height / 2, (long)wp->w_height) < 0
10476 || put_eol(fd) == FAIL
10477 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10478 || put_line(fd, "exe s:l") == FAIL
10479 || put_line(fd, "normal! zt") == FAIL
10480 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10481 || put_eol(fd) == FAIL)
10482 return FAIL;
10483 /* Restore the cursor column and left offset when not wrapping. */
10484 if (wp->w_cursor.col == 0)
10485 {
10486 if (put_line(fd, "normal! 0") == FAIL)
10487 return FAIL;
10488 }
10489 else
10490 {
10491 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10492 {
10493 if (fprintf(fd,
10494 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10495 (long)wp->w_cursor.col,
10496 (long)(wp->w_cursor.col - wp->w_leftcol),
10497 (long)wp->w_width / 2, (long)wp->w_width) < 0
10498 || put_eol(fd) == FAIL
10499 || put_line(fd, "if s:c > 0") == FAIL
10500 || fprintf(fd,
10501 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10502 (long)wp->w_cursor.col) < 0
10503 || put_eol(fd) == FAIL
10504 || put_line(fd, "else") == FAIL
10505 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10506 || put_eol(fd) == FAIL
10507 || put_line(fd, "endif") == FAIL)
10508 return FAIL;
10509 }
10510 else
10511 {
10512 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10513 || put_eol(fd) == FAIL)
10514 return FAIL;
10515 }
10516 }
10517 }
10518
10519 /*
10520 * Local directory.
10521 */
10522 if (wp->w_localdir != NULL)
10523 {
10524 if (fputs("lcd ", fd) < 0
10525 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10526 || put_eol(fd) == FAIL)
10527 return FAIL;
10528 did_lcd = TRUE;
10529 }
10530
10531 return OK;
10532 }
10533
10534 /*
10535 * Write an argument list to the session file.
10536 * Returns FAIL if writing fails.
10537 */
10538 static int
10539 ses_arglist(fd, cmd, gap, fullname, flagp)
10540 FILE *fd;
10541 char *cmd;
10542 garray_T *gap;
10543 int fullname; /* TRUE: use full path name */
10544 unsigned *flagp;
10545 {
10546 int i;
10547 char_u buf[MAXPATHL];
10548 char_u *s;
10549
10550 if (gap->ga_len == 0)
10551 return put_line(fd, "silent! argdel *");
10552 if (fputs(cmd, fd) < 0)
10553 return FAIL;
10554 for (i = 0; i < gap->ga_len; ++i)
10555 {
10556 /* NULL file names are skipped (only happens when out of memory). */
10557 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10558 if (s != NULL)
10559 {
10560 if (fullname)
10561 {
10562 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10563 s = buf;
10564 }
10565 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10566 return FAIL;
10567 }
10568 }
10569 return put_eol(fd);
10570 }
10571
10572 /*
10573 * Write a buffer name to the session file.
10574 * Also ends the line.
10575 * Returns FAIL if writing fails.
10576 */
10577 static int
10578 ses_fname(fd, buf, flagp)
10579 FILE *fd;
10580 buf_T *buf;
10581 unsigned *flagp;
10582 {
10583 char_u *name;
10584
10585 /* Use the short file name if the current directory is known at the time
10586 * the session file will be sourced.
10587 * Don't do this for ":mkview", we don't know the current directory.
10588 * Don't do this after ":lcd", we don't keep track of what the current
10589 * directory is. */
10590 if (buf->b_sfname != NULL
10591 && flagp == &ssop_flags
10592 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10593 #ifdef FEAT_AUTOCHDIR
10594 && !p_acd
10595 #endif
10596 && !did_lcd)
10597 name = buf->b_sfname;
10598 else
10599 name = buf->b_ffname;
10600 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10601 return FAIL;
10602 return OK;
10603 }
10604
10605 /*
10606 * Write a file name to the session file.
10607 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10608 * characters.
10609 * Returns FAIL if writing fails.
10610 */
10611 static int
10612 ses_put_fname(fd, name, flagp)
10613 FILE *fd;
10614 char_u *name;
10615 unsigned *flagp;
10616 {
10617 char_u *sname;
10618 int retval = OK;
10619 int c;
10620
10621 sname = home_replace_save(NULL, name);
10622 if (sname != NULL)
10623 name = sname;
10624 while (*name != NUL)
10625 {
10626 #ifdef FEAT_MBYTE
10627 {
10628 int l;
10629
10630 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10631 {
10632 /* copy a multibyte char */
10633 while (--l >= 0)
10634 {
10635 if (putc(*name, fd) != *name)
10636 retval = FAIL;
10637 ++name;
10638 }
10639 continue;
10640 }
10641 }
10642 #endif
10643 c = *name++;
10644 if (c == '\\' && (*flagp & SSOP_SLASH))
10645 /* change a backslash to a forward slash */
10646 c = '/';
10647 else if ((vim_strchr(escape_chars, c) != NULL
10648 #ifdef BACKSLASH_IN_FILENAME
10649 && c != '\\'
10650 #endif
10651 ) || c == '#' || c == '%')
10652 {
10653 /* escape a special character with a backslash */
10654 if (putc('\\', fd) != '\\')
10655 retval = FAIL;
10656 }
10657 if (putc(c, fd) != c)
10658 retval = FAIL;
10659 }
10660 vim_free(sname);
10661 return retval;
10662 }
10663
10664 /*
10665 * ":loadview [nr]"
10666 */
10667 static void
10668 ex_loadview(eap)
10669 exarg_T *eap;
10670 {
10671 char_u *fname;
10672
10673 fname = get_view_file(*eap->arg);
10674 if (fname != NULL)
10675 {
10676 do_source(fname, FALSE, DOSO_NONE);
10677 vim_free(fname);
10678 }
10679 }
10680
10681 /*
10682 * Get the name of the view file for the current buffer.
10683 */
10684 static char_u *
10685 get_view_file(c)
10686 int c;
10687 {
10688 int len = 0;
10689 char_u *p, *s;
10690 char_u *retval;
10691 char_u *sname;
10692
10693 if (curbuf->b_ffname == NULL)
10694 {
10695 EMSG(_(e_noname));
10696 return NULL;
10697 }
10698 sname = home_replace_save(NULL, curbuf->b_ffname);
10699 if (sname == NULL)
10700 return NULL;
10701
10702 /*
10703 * We want a file name without separators, because we're not going to make
10704 * a directory.
10705 * "normal" path separator -> "=+"
10706 * "=" -> "=="
10707 * ":" path separator -> "=-"
10708 */
10709 for (p = sname; *p; ++p)
10710 if (*p == '=' || vim_ispathsep(*p))
10711 ++len;
10712 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10713 if (retval != NULL)
10714 {
10715 STRCPY(retval, p_vdir);
10716 add_pathsep(retval);
10717 s = retval + STRLEN(retval);
10718 for (p = sname; *p; ++p)
10719 {
10720 if (*p == '=')
10721 {
10722 *s++ = '=';
10723 *s++ = '=';
10724 }
10725 else if (vim_ispathsep(*p))
10726 {
10727 *s++ = '=';
10728 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10729 || defined(VMS)
10730 if (*p == ':')
10731 *s++ = '-';
10732 else
10733 #endif
10734 *s++ = '+';
10735 }
10736 else
10737 *s++ = *p;
10738 }
10739 *s++ = '=';
10740 *s++ = c;
10741 STRCPY(s, ".vim");
10742 }
10743
10744 vim_free(sname);
10745 return retval;
10746 }
10747
10748 #endif /* FEAT_SESSION */
10749
10750 /*
10751 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10752 * Return FAIL for a write error.
10753 */
10754 int
10755 put_eol(fd)
10756 FILE *fd;
10757 {
10758 if (
10759 #ifdef USE_CRNL
10760 (
10761 # ifdef MKSESSION_NL
10762 !mksession_nl &&
10763 # endif
10764 (putc('\r', fd) < 0)) ||
10765 #endif
10766 (putc('\n', fd) < 0))
10767 return FAIL;
10768 return OK;
10769 }
10770
10771 /*
10772 * Write a line to "fd".
10773 * Return FAIL for a write error.
10774 */
10775 int
10776 put_line(fd, s)
10777 FILE *fd;
10778 char *s;
10779 {
10780 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10781 return FAIL;
10782 return OK;
10783 }
10784
10785 #ifdef FEAT_VIMINFO
10786 /*
10787 * ":rviminfo" and ":wviminfo".
10788 */
10789 static void
10790 ex_viminfo(eap)
10791 exarg_T *eap;
10792 {
10793 char_u *save_viminfo;
10794
10795 save_viminfo = p_viminfo;
10796 if (*p_viminfo == NUL)
10797 p_viminfo = (char_u *)"'100";
10798 if (eap->cmdidx == CMD_rviminfo)
10799 {
10800 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10801 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10802 EMSG(_("E195: Cannot open viminfo file for reading"));
10803 }
10804 else
10805 write_viminfo(eap->arg, eap->forceit);
10806 p_viminfo = save_viminfo;
10807 }
10808 #endif
10809
10810 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10811 /*
10812 * Make a dialog message in "buff[IOSIZE]".
10813 * "format" must contain "%s".
10814 */
10815 void
10816 dialog_msg(buff, format, fname)
10817 char_u *buff;
10818 char *format;
10819 char_u *fname;
10820 {
10821 if (fname == NULL)
10822 fname = (char_u *)_("Untitled");
10823 vim_snprintf((char *)buff, IOSIZE, format, fname);
10824 }
10825 #endif
10826
10827 /*
10828 * ":behave {mswin,xterm}"
10829 */
10830 static void
10831 ex_behave(eap)
10832 exarg_T *eap;
10833 {
10834 if (STRCMP(eap->arg, "mswin") == 0)
10835 {
10836 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10837 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10838 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10839 set_option_value((char_u *)"keymodel", 0L,
10840 (char_u *)"startsel,stopsel", 0);
10841 }
10842 else if (STRCMP(eap->arg, "xterm") == 0)
10843 {
10844 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10845 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10846 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10847 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10848 }
10849 else
10850 EMSG2(_(e_invarg2), eap->arg);
10851 }
10852
10853 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
10854 /*
10855 * Function given to ExpandGeneric() to obtain the possible arguments of the
10856 * ":behave {mswin,xterm}" command.
10857 */
10858 char_u *
10859 get_behave_arg(xp, idx)
10860 expand_T *xp UNUSED;
10861 int idx;
10862 {
10863 if (idx == 0)
10864 return (char_u *)"mswin";
10865 if (idx == 1)
10866 return (char_u *)"xterm";
10867 return NULL;
10868 }
10869 #endif
10870
10871 #ifdef FEAT_AUTOCMD
10872 static int filetype_detect = FALSE;
10873 static int filetype_plugin = FALSE;
10874 static int filetype_indent = FALSE;
10875
10876 /*
10877 * ":filetype [plugin] [indent] {on,off,detect}"
10878 * on: Load the filetype.vim file to install autocommands for file types.
10879 * off: Load the ftoff.vim file to remove all autocommands for file types.
10880 * plugin on: load filetype.vim and ftplugin.vim
10881 * plugin off: load ftplugof.vim
10882 * indent on: load filetype.vim and indent.vim
10883 * indent off: load indoff.vim
10884 */
10885 static void
10886 ex_filetype(eap)
10887 exarg_T *eap;
10888 {
10889 char_u *arg = eap->arg;
10890 int plugin = FALSE;
10891 int indent = FALSE;
10892
10893 if (*eap->arg == NUL)
10894 {
10895 /* Print current status. */
10896 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10897 filetype_detect ? "ON" : "OFF",
10898 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10899 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10900 return;
10901 }
10902
10903 /* Accept "plugin" and "indent" in any order. */
10904 for (;;)
10905 {
10906 if (STRNCMP(arg, "plugin", 6) == 0)
10907 {
10908 plugin = TRUE;
10909 arg = skipwhite(arg + 6);
10910 continue;
10911 }
10912 if (STRNCMP(arg, "indent", 6) == 0)
10913 {
10914 indent = TRUE;
10915 arg = skipwhite(arg + 6);
10916 continue;
10917 }
10918 break;
10919 }
10920 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10921 {
10922 if (*arg == 'o' || !filetype_detect)
10923 {
10924 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10925 filetype_detect = TRUE;
10926 if (plugin)
10927 {
10928 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10929 filetype_plugin = TRUE;
10930 }
10931 if (indent)
10932 {
10933 source_runtime((char_u *)INDENT_FILE, TRUE);
10934 filetype_indent = TRUE;
10935 }
10936 }
10937 if (*arg == 'd')
10938 {
10939 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10940 do_modelines(0);
10941 }
10942 }
10943 else if (STRCMP(arg, "off") == 0)
10944 {
10945 if (plugin || indent)
10946 {
10947 if (plugin)
10948 {
10949 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10950 filetype_plugin = FALSE;
10951 }
10952 if (indent)
10953 {
10954 source_runtime((char_u *)INDOFF_FILE, TRUE);
10955 filetype_indent = FALSE;
10956 }
10957 }
10958 else
10959 {
10960 source_runtime((char_u *)FTOFF_FILE, TRUE);
10961 filetype_detect = FALSE;
10962 }
10963 }
10964 else
10965 EMSG2(_(e_invarg2), arg);
10966 }
10967
10968 /*
10969 * ":setfiletype {name}"
10970 */
10971 static void
10972 ex_setfiletype(eap)
10973 exarg_T *eap;
10974 {
10975 if (!did_filetype)
10976 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10977 }
10978 #endif
10979
10980 static void
10981 ex_digraphs(eap)
10982 exarg_T *eap UNUSED;
10983 {
10984 #ifdef FEAT_DIGRAPHS
10985 if (*eap->arg != NUL)
10986 putdigraph(eap->arg);
10987 else
10988 listdigraphs();
10989 #else
10990 EMSG(_("E196: No digraphs in this version"));
10991 #endif
10992 }
10993
10994 static void
10995 ex_set(eap)
10996 exarg_T *eap;
10997 {
10998 int flags = 0;
10999
11000 if (eap->cmdidx == CMD_setlocal)
11001 flags = OPT_LOCAL;
11002 else if (eap->cmdidx == CMD_setglobal)
11003 flags = OPT_GLOBAL;
11004 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
11005 if (cmdmod.browse && flags == 0)
11006 ex_options(eap);
11007 else
11008 #endif
11009 (void)do_set(eap->arg, flags);
11010 }
11011
11012 #ifdef FEAT_SEARCH_EXTRA
11013 /*
11014 * ":nohlsearch"
11015 */
11016 static void
11017 ex_nohlsearch(eap)
11018 exarg_T *eap UNUSED;
11019 {
11020 no_hlsearch = TRUE;
11021 redraw_all_later(SOME_VALID);
11022 }
11023
11024 /*
11025 * ":[N]match {group} {pattern}"
11026 * Sets nextcmd to the start of the next command, if any. Also called when
11027 * skipping commands to find the next command.
11028 */
11029 static void
11030 ex_match(eap)
11031 exarg_T *eap;
11032 {
11033 char_u *p;
11034 char_u *g = NULL;
11035 char_u *end;
11036 int c;
11037 int id;
11038
11039 if (eap->line2 <= 3)
11040 id = eap->line2;
11041 else
11042 {
11043 EMSG(e_invcmd);
11044 return;
11045 }
11046
11047 /* First clear any old pattern. */
11048 if (!eap->skip)
11049 match_delete(curwin, id, FALSE);
11050
11051 if (ends_excmd(*eap->arg))
11052 end = eap->arg;
11053 else if ((STRNICMP(eap->arg, "none", 4) == 0
11054 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11055 end = eap->arg + 4;
11056 else
11057 {
11058 p = skiptowhite(eap->arg);
11059 if (!eap->skip)
11060 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11061 p = skipwhite(p);
11062 if (*p == NUL)
11063 {
11064 /* There must be two arguments. */
11065 EMSG2(_(e_invarg2), eap->arg);
11066 return;
11067 }
11068 end = skip_regexp(p + 1, *p, TRUE, NULL);
11069 if (!eap->skip)
11070 {
11071 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11072 {
11073 eap->errmsg = e_trailing;
11074 return;
11075 }
11076 if (*end != *p)
11077 {
11078 EMSG2(_(e_invarg2), p);
11079 return;
11080 }
11081
11082 c = *end;
11083 *end = NUL;
11084 match_add(curwin, g, p + 1, 10, id);
11085 vim_free(g);
11086 *end = c;
11087 }
11088 }
11089 eap->nextcmd = find_nextcmd(end);
11090 }
11091 #endif
11092
11093 #ifdef FEAT_CRYPT
11094 /*
11095 * ":X": Get crypt key
11096 */
11097 static void
11098 ex_X(eap)
11099 exarg_T *eap UNUSED;
11100 {
11101 (void)get_crypt_key(TRUE, TRUE);
11102 }
11103 #endif
11104
11105 #ifdef FEAT_FOLDING
11106 static void
11107 ex_fold(eap)
11108 exarg_T *eap;
11109 {
11110 if (foldManualAllowed(TRUE))
11111 foldCreate(eap->line1, eap->line2);
11112 }
11113
11114 static void
11115 ex_foldopen(eap)
11116 exarg_T *eap;
11117 {
11118 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11119 eap->forceit, FALSE);
11120 }
11121
11122 static void
11123 ex_folddo(eap)
11124 exarg_T *eap;
11125 {
11126 linenr_T lnum;
11127
11128 /* First set the marks for all lines closed/open. */
11129 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11130 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11131 ml_setmarked(lnum);
11132
11133 /* Execute the command on the marked lines. */
11134 global_exe(eap->arg);
11135 ml_clearmarked(); /* clear rest of the marks */
11136 }
11137 #endif
Vim for the Mac