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Patch 7.0.070
[MacVim/jjgod.git] / src / ex_docmd.c
blob00190550749c1b9123431b61ba1419ced75cd55a
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 #ifdef HAVE_FCNTL_H
17 # include <fcntl.h> /* for chdir() */
18 #endif
19
20 static int quitmore = 0;
21 static int ex_pressedreturn = FALSE;
22 #ifndef FEAT_PRINTER
23 # define ex_hardcopy ex_ni
24 #endif
25
26 #ifdef FEAT_USR_CMDS
27 typedef struct ucmd
28 {
29 char_u *uc_name; /* The command name */
30 long_u uc_argt; /* The argument type */
31 char_u *uc_rep; /* The command's replacement string */
32 long uc_def; /* The default value for a range/count */
33 scid_T uc_scriptID; /* SID where the command was defined */
34 int uc_compl; /* completion type */
35 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
36 char_u *uc_compl_arg; /* completion argument if any */
37 # endif
38 } ucmd_T;
39
40 #define UC_BUFFER 1 /* -buffer: local to current buffer */
41
42 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
43
44 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
45 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
46
47 static void do_ucmd __ARGS((exarg_T *eap));
48 static void ex_command __ARGS((exarg_T *eap));
49 static void ex_delcommand __ARGS((exarg_T *eap));
50 # ifdef FEAT_CMDL_COMPL
51 static char_u *get_user_command_name __ARGS((int idx));
52 # endif
53
54 #else
55 # define ex_command ex_ni
56 # define ex_comclear ex_ni
57 # define ex_delcommand ex_ni
58 #endif
59
60 #ifdef FEAT_EVAL
61 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
62 #else
63 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
64 static int if_level = 0; /* depth in :if */
65 #endif
66 static char_u *find_command __ARGS((exarg_T *eap, int *full));
67
68 static void ex_abbreviate __ARGS((exarg_T *eap));
69 static void ex_map __ARGS((exarg_T *eap));
70 static void ex_unmap __ARGS((exarg_T *eap));
71 static void ex_mapclear __ARGS((exarg_T *eap));
72 static void ex_abclear __ARGS((exarg_T *eap));
73 #ifndef FEAT_MENU
74 # define ex_emenu ex_ni
75 # define ex_menu ex_ni
76 # define ex_menutranslate ex_ni
77 #endif
78 #ifdef FEAT_AUTOCMD
79 static void ex_autocmd __ARGS((exarg_T *eap));
80 static void ex_doautocmd __ARGS((exarg_T *eap));
81 #else
82 # define ex_autocmd ex_ni
83 # define ex_doautocmd ex_ni
84 # define ex_doautoall ex_ni
85 #endif
86 #ifdef FEAT_LISTCMDS
87 static void ex_bunload __ARGS((exarg_T *eap));
88 static void ex_buffer __ARGS((exarg_T *eap));
89 static void ex_bmodified __ARGS((exarg_T *eap));
90 static void ex_bnext __ARGS((exarg_T *eap));
91 static void ex_bprevious __ARGS((exarg_T *eap));
92 static void ex_brewind __ARGS((exarg_T *eap));
93 static void ex_blast __ARGS((exarg_T *eap));
94 #else
95 # define ex_bunload ex_ni
96 # define ex_buffer ex_ni
97 # define ex_bmodified ex_ni
98 # define ex_bnext ex_ni
99 # define ex_bprevious ex_ni
100 # define ex_brewind ex_ni
101 # define ex_blast ex_ni
102 # define buflist_list ex_ni
103 # define ex_checktime ex_ni
104 #endif
105 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
106 # define ex_buffer_all ex_ni
107 #endif
108 static char_u *getargcmd __ARGS((char_u **));
109 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
110 static int getargopt __ARGS((exarg_T *eap));
111 #ifndef FEAT_QUICKFIX
112 # define ex_make ex_ni
113 # define ex_cbuffer ex_ni
114 # define ex_cc ex_ni
115 # define ex_cnext ex_ni
116 # define ex_cfile ex_ni
117 # define qf_list ex_ni
118 # define qf_age ex_ni
119 # define ex_helpgrep ex_ni
120 # define ex_vimgrep ex_ni
121 #endif
122 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
123 # define ex_cclose ex_ni
124 # define ex_copen ex_ni
125 # define ex_cwindow ex_ni
126 #endif
127 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
128 # define ex_cexpr ex_ni
129 #endif
130
131 static int check_more __ARGS((int, int));
132 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
133 static void get_flags __ARGS((exarg_T *eap));
134 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
135 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
136 static void ex_script_ni __ARGS((exarg_T *eap));
137 #endif
138 static char_u *invalid_range __ARGS((exarg_T *eap));
139 static void correct_range __ARGS((exarg_T *eap));
140 #ifdef FEAT_QUICKFIX
141 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
142 #endif
143 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
144 static void ex_highlight __ARGS((exarg_T *eap));
145 static void ex_colorscheme __ARGS((exarg_T *eap));
146 static void ex_quit __ARGS((exarg_T *eap));
147 static void ex_cquit __ARGS((exarg_T *eap));
148 static void ex_quit_all __ARGS((exarg_T *eap));
149 #ifdef FEAT_WINDOWS
150 static void ex_close __ARGS((exarg_T *eap));
151 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
152 static void ex_only __ARGS((exarg_T *eap));
153 static void ex_resize __ARGS((exarg_T *eap));
154 static void ex_stag __ARGS((exarg_T *eap));
155 static void ex_tabclose __ARGS((exarg_T *eap));
156 static void ex_tabonly __ARGS((exarg_T *eap));
157 static void ex_tabnext __ARGS((exarg_T *eap));
158 static void ex_tabmove __ARGS((exarg_T *eap));
159 static void ex_tabs __ARGS((exarg_T *eap));
160 #else
161 # define ex_close ex_ni
162 # define ex_only ex_ni
163 # define ex_all ex_ni
164 # define ex_resize ex_ni
165 # define ex_splitview ex_ni
166 # define ex_stag ex_ni
167 # define ex_tabnext ex_ni
168 # define ex_tabmove ex_ni
169 # define ex_tabs ex_ni
170 # define ex_tabclose ex_ni
171 # define ex_tabonly ex_ni
172 #endif
173 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
174 static void ex_pclose __ARGS((exarg_T *eap));
175 static void ex_ptag __ARGS((exarg_T *eap));
176 static void ex_pedit __ARGS((exarg_T *eap));
177 #else
178 # define ex_pclose ex_ni
179 # define ex_ptag ex_ni
180 # define ex_pedit ex_ni
181 #endif
182 static void ex_hide __ARGS((exarg_T *eap));
183 static void ex_stop __ARGS((exarg_T *eap));
184 static void ex_exit __ARGS((exarg_T *eap));
185 static void ex_print __ARGS((exarg_T *eap));
186 #ifdef FEAT_BYTEOFF
187 static void ex_goto __ARGS((exarg_T *eap));
188 #else
189 # define ex_goto ex_ni
190 #endif
191 static void ex_shell __ARGS((exarg_T *eap));
192 static void ex_preserve __ARGS((exarg_T *eap));
193 static void ex_recover __ARGS((exarg_T *eap));
194 #ifndef FEAT_LISTCMDS
195 # define ex_argedit ex_ni
196 # define ex_argadd ex_ni
197 # define ex_argdelete ex_ni
198 # define ex_listdo ex_ni
199 #endif
200 static void ex_mode __ARGS((exarg_T *eap));
201 static void ex_wrongmodifier __ARGS((exarg_T *eap));
202 static void ex_find __ARGS((exarg_T *eap));
203 static void ex_open __ARGS((exarg_T *eap));
204 static void ex_edit __ARGS((exarg_T *eap));
205 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
206 # define ex_drop ex_ni
207 #endif
208 #ifndef FEAT_GUI
209 # define ex_gui ex_nogui
210 static void ex_nogui __ARGS((exarg_T *eap));
211 #endif
212 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
213 static void ex_tearoff __ARGS((exarg_T *eap));
214 #else
215 # define ex_tearoff ex_ni
216 #endif
217 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
218 static void ex_popup __ARGS((exarg_T *eap));
219 #else
220 # define ex_popup ex_ni
221 #endif
222 #ifndef FEAT_GUI_MSWIN
223 # define ex_simalt ex_ni
224 #endif
225 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
226 # define gui_mch_find_dialog ex_ni
227 # define gui_mch_replace_dialog ex_ni
228 #endif
229 #if !defined(FEAT_GUI_GTK)
230 # define ex_helpfind ex_ni
231 #endif
232 #ifndef FEAT_CSCOPE
233 # define do_cscope ex_ni
234 # define do_scscope ex_ni
235 # define do_cstag ex_ni
236 #endif
237 #ifndef FEAT_SYN_HL
238 # define ex_syntax ex_ni
239 #endif
240 #ifndef FEAT_SPELL
241 # define ex_spell ex_ni
242 # define ex_mkspell ex_ni
243 # define ex_spelldump ex_ni
244 # define ex_spellinfo ex_ni
245 # define ex_spellrepall ex_ni
246 #endif
247 #ifndef FEAT_MZSCHEME
248 # define ex_mzscheme ex_script_ni
249 # define ex_mzfile ex_ni
250 #endif
251 #ifndef FEAT_PERL
252 # define ex_perl ex_script_ni
253 # define ex_perldo ex_ni
254 #endif
255 #ifndef FEAT_PYTHON
256 # define ex_python ex_script_ni
257 # define ex_pyfile ex_ni
258 #endif
259 #ifndef FEAT_TCL
260 # define ex_tcl ex_script_ni
261 # define ex_tcldo ex_ni
262 # define ex_tclfile ex_ni
263 #endif
264 #ifndef FEAT_RUBY
265 # define ex_ruby ex_script_ni
266 # define ex_rubydo ex_ni
267 # define ex_rubyfile ex_ni
268 #endif
269 #ifndef FEAT_SNIFF
270 # define ex_sniff ex_ni
271 #endif
272 #ifndef FEAT_KEYMAP
273 # define ex_loadkeymap ex_ni
274 #endif
275 static void ex_swapname __ARGS((exarg_T *eap));
276 static void ex_syncbind __ARGS((exarg_T *eap));
277 static void ex_read __ARGS((exarg_T *eap));
278 static void ex_cd __ARGS((exarg_T *eap));
279 static void ex_pwd __ARGS((exarg_T *eap));
280 static void ex_equal __ARGS((exarg_T *eap));
281 static void ex_sleep __ARGS((exarg_T *eap));
282 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
283 static void ex_winsize __ARGS((exarg_T *eap));
284 #ifdef FEAT_WINDOWS
285 static void ex_wincmd __ARGS((exarg_T *eap));
286 #else
287 # define ex_wincmd ex_ni
288 #endif
289 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
290 static void ex_winpos __ARGS((exarg_T *eap));
291 #else
292 # define ex_winpos ex_ni
293 #endif
294 static void ex_operators __ARGS((exarg_T *eap));
295 static void ex_put __ARGS((exarg_T *eap));
296 static void ex_copymove __ARGS((exarg_T *eap));
297 static void ex_may_print __ARGS((exarg_T *eap));
298 static void ex_submagic __ARGS((exarg_T *eap));
299 static void ex_join __ARGS((exarg_T *eap));
300 static void ex_at __ARGS((exarg_T *eap));
301 static void ex_bang __ARGS((exarg_T *eap));
302 static void ex_undo __ARGS((exarg_T *eap));
303 static void ex_redo __ARGS((exarg_T *eap));
304 static void ex_later __ARGS((exarg_T *eap));
305 static void ex_redir __ARGS((exarg_T *eap));
306 static void ex_redraw __ARGS((exarg_T *eap));
307 static void ex_redrawstatus __ARGS((exarg_T *eap));
308 static void close_redir __ARGS((void));
309 static void ex_mkrc __ARGS((exarg_T *eap));
310 static void ex_mark __ARGS((exarg_T *eap));
311 #ifdef FEAT_USR_CMDS
312 static char_u *uc_fun_cmd __ARGS((void));
313 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
314 #endif
315 #ifdef FEAT_EX_EXTRA
316 static void ex_normal __ARGS((exarg_T *eap));
317 static void ex_startinsert __ARGS((exarg_T *eap));
318 static void ex_stopinsert __ARGS((exarg_T *eap));
319 #else
320 # define ex_normal ex_ni
321 # define ex_align ex_ni
322 # define ex_retab ex_ni
323 # define ex_startinsert ex_ni
324 # define ex_stopinsert ex_ni
325 # define ex_helptags ex_ni
326 # define ex_sort ex_ni
327 #endif
328 #ifdef FEAT_FIND_ID
329 static void ex_checkpath __ARGS((exarg_T *eap));
330 static void ex_findpat __ARGS((exarg_T *eap));
331 #else
332 # define ex_findpat ex_ni
333 # define ex_checkpath ex_ni
334 #endif
335 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
336 static void ex_psearch __ARGS((exarg_T *eap));
337 #else
338 # define ex_psearch ex_ni
339 #endif
340 static void ex_tag __ARGS((exarg_T *eap));
341 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
342 #ifndef FEAT_EVAL
343 # define ex_scriptnames ex_ni
344 # define ex_finish ex_ni
345 # define ex_echo ex_ni
346 # define ex_echohl ex_ni
347 # define ex_execute ex_ni
348 # define ex_call ex_ni
349 # define ex_if ex_ni
350 # define ex_endif ex_ni
351 # define ex_else ex_ni
352 # define ex_while ex_ni
353 # define ex_for ex_ni
354 # define ex_continue ex_ni
355 # define ex_break ex_ni
356 # define ex_endwhile ex_ni
357 # define ex_endfor ex_ni
358 # define ex_throw ex_ni
359 # define ex_try ex_ni
360 # define ex_catch ex_ni
361 # define ex_finally ex_ni
362 # define ex_endtry ex_ni
363 # define ex_endfunction ex_ni
364 # define ex_let ex_ni
365 # define ex_unlet ex_ni
366 # define ex_lockvar ex_ni
367 # define ex_unlockvar ex_ni
368 # define ex_function ex_ni
369 # define ex_delfunction ex_ni
370 # define ex_return ex_ni
371 #endif
372 static char_u *arg_all __ARGS((void));
373 #ifdef FEAT_SESSION
374 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
375 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp));
376 static void ex_loadview __ARGS((exarg_T *eap));
377 static char_u *get_view_file __ARGS((int c));
378 #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 doensn'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 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
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 (accross 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 /*ARGSUSED*/
1584 int
1585 getline_equal(fgetline, cookie, func)
1586 char_u *(*fgetline) __ARGS((int, void *, int));
1587 void *cookie; /* argument for fgetline() */
1588 char_u *(*func) __ARGS((int, void *, int));
1589 {
1590 #ifdef FEAT_EVAL
1591 char_u *(*gp) __ARGS((int, void *, int));
1592 struct loop_cookie *cp;
1593
1594 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1595 * function that's orignally used to obtain the lines. This may be nested
1596 * several levels. */
1597 gp = fgetline;
1598 cp = (struct loop_cookie *)cookie;
1599 while (gp == get_loop_line)
1600 {
1601 gp = cp->getline;
1602 cp = cp->cookie;
1603 }
1604 return gp == func;
1605 #else
1606 return fgetline == func;
1607 #endif
1608 }
1609
1610 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1611 /*
1612 * If "fgetline" is get_loop_line(), return the cookie used by the original
1613 * getline function. Otherwise return "cookie".
1614 */
1615 /*ARGSUSED*/
1616 void *
1617 getline_cookie(fgetline, cookie)
1618 char_u *(*fgetline) __ARGS((int, void *, int));
1619 void *cookie; /* argument for fgetline() */
1620 {
1621 # ifdef FEAT_EVAL
1622 char_u *(*gp) __ARGS((int, void *, int));
1623 struct loop_cookie *cp;
1624
1625 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1626 * cookie that's orignally used to obtain the lines. This may be nested
1627 * several levels. */
1628 gp = fgetline;
1629 cp = (struct loop_cookie *)cookie;
1630 while (gp == get_loop_line)
1631 {
1632 gp = cp->getline;
1633 cp = cp->cookie;
1634 }
1635 return cp;
1636 # else
1637 return cookie;
1638 # endif
1639 }
1640 #endif
1641
1642 /*
1643 * Execute one Ex command.
1644 *
1645 * If 'sourcing' is TRUE, the command will be included in the error message.
1646 *
1647 * 1. skip comment lines and leading space
1648 * 2. handle command modifiers
1649 * 3. parse range
1650 * 4. parse command
1651 * 5. parse arguments
1652 * 6. switch on command name
1653 *
1654 * Note: "fgetline" can be NULL.
1655 *
1656 * This function may be called recursively!
1657 */
1658 #if (_MSC_VER == 1200)
1659 /*
1660 * Avoid optimisation bug in VC++ version 6.0
1661 */
1662 #pragma optimize( "g", off )
1663 #endif
1664 static char_u *
1665 do_one_cmd(cmdlinep, sourcing,
1666 #ifdef FEAT_EVAL
1667 cstack,
1668 #endif
1669 fgetline, cookie)
1670 char_u **cmdlinep;
1671 int sourcing;
1672 #ifdef FEAT_EVAL
1673 struct condstack *cstack;
1674 #endif
1675 char_u *(*fgetline) __ARGS((int, void *, int));
1676 void *cookie; /* argument for fgetline() */
1677 {
1678 char_u *p;
1679 linenr_T lnum;
1680 long n;
1681 char_u *errormsg = NULL; /* error message */
1682 exarg_T ea; /* Ex command arguments */
1683 long verbose_save = -1;
1684 int save_msg_scroll = 0;
1685 int did_silent = 0;
1686 int did_esilent = 0;
1687 #ifdef HAVE_SANDBOX
1688 int did_sandbox = FALSE;
1689 #endif
1690 cmdmod_T save_cmdmod;
1691 int ni; /* set when Not Implemented */
1692
1693 vim_memset(&ea, 0, sizeof(ea));
1694 ea.line1 = 1;
1695 ea.line2 = 1;
1696 #ifdef FEAT_EVAL
1697 ++ex_nesting_level;
1698 #endif
1699
1700 /* when not editing the last file :q has to be typed twice */
1701 if (quitmore
1702 #ifdef FEAT_EVAL
1703 /* avoid that a function call in 'statusline' does this */
1704 && !getline_equal(fgetline, cookie, get_func_line)
1705 #endif
1706 )
1707 --quitmore;
1708
1709 /*
1710 * Reset browse, confirm, etc.. They are restored when returning, for
1711 * recursive calls.
1712 */
1713 save_cmdmod = cmdmod;
1714 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1715
1716 /* "#!anything" is handled like a comment. */
1717 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1718 goto doend;
1719
1720 /*
1721 * Repeat until no more command modifiers are found.
1722 */
1723 ea.cmd = *cmdlinep;
1724 for (;;)
1725 {
1726 /*
1727 * 1. skip comment lines and leading white space and colons
1728 */
1729 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1730 ++ea.cmd;
1731
1732 /* in ex mode, an empty line works like :+ */
1733 if (*ea.cmd == NUL && exmode_active
1734 && (getline_equal(fgetline, cookie, getexmodeline)
1735 || getline_equal(fgetline, cookie, getexline))
1736 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1737 {
1738 ea.cmd = (char_u *)"+";
1739 ex_pressedreturn = TRUE;
1740 }
1741
1742 /* ignore comment and empty lines */
1743 if (*ea.cmd == '"' || *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
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 ++did_silent;
1862 ++msg_silent;
1863 save_msg_scroll = msg_scroll;
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 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1892 {
1893 #ifdef FEAT_VERTSPLIT
1894 cmdmod.split |= WSP_VERT;
1895 #endif
1896 continue;
1897 }
1898 if (!checkforcmd(&p, "verbose", 4))
1899 break;
1900 if (verbose_save < 0)
1901 verbose_save = p_verbose;
1902 if (vim_isdigit(*ea.cmd))
1903 p_verbose = atoi((char *)ea.cmd);
1904 else
1905 p_verbose = 1;
1906 ea.cmd = p;
1907 continue;
1908 }
1909 break;
1910 }
1911
1912 #ifdef FEAT_EVAL
1913 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1914 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1915 #else
1916 ea.skip = (if_level > 0);
1917 #endif
1918
1919 #ifdef FEAT_EVAL
1920 # ifdef FEAT_PROFILE
1921 /* Count this line for profiling if ea.skip is FALSE. */
1922 if (do_profiling == PROF_YES && !ea.skip)
1923 {
1924 if (getline_equal(fgetline, cookie, get_func_line))
1925 func_line_exec(getline_cookie(fgetline, cookie));
1926 else if (getline_equal(fgetline, cookie, getsourceline))
1927 script_line_exec();
1928 }
1929 #endif
1930
1931 /* May go to debug mode. If this happens and the ">quit" debug command is
1932 * used, throw an interrupt exception and skip the next command. */
1933 dbg_check_breakpoint(&ea);
1934 if (!ea.skip && got_int)
1935 {
1936 ea.skip = TRUE;
1937 (void)do_intthrow(cstack);
1938 }
1939 #endif
1940
1941 /*
1942 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1943 *
1944 * where 'addr' is:
1945 *
1946 * % (entire file)
1947 * $ [+-NUM]
1948 * 'x [+-NUM] (where x denotes a currently defined mark)
1949 * . [+-NUM]
1950 * [+-NUM]..
1951 * NUM
1952 *
1953 * The ea.cmd pointer is updated to point to the first character following the
1954 * range spec. If an initial address is found, but no second, the upper bound
1955 * is equal to the lower.
1956 */
1957
1958 /* repeat for all ',' or ';' separated addresses */
1959 for (;;)
1960 {
1961 ea.line1 = ea.line2;
1962 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1963 ea.cmd = skipwhite(ea.cmd);
1964 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1965 if (ea.cmd == NULL) /* error detected */
1966 goto doend;
1967 if (lnum == MAXLNUM)
1968 {
1969 if (*ea.cmd == '%') /* '%' - all lines */
1970 {
1971 ++ea.cmd;
1972 ea.line1 = 1;
1973 ea.line2 = curbuf->b_ml.ml_line_count;
1974 ++ea.addr_count;
1975 }
1976 /* '*' - visual area */
1977 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1978 {
1979 pos_T *fp;
1980
1981 ++ea.cmd;
1982 if (!ea.skip)
1983 {
1984 fp = getmark('<', FALSE);
1985 if (check_mark(fp) == FAIL)
1986 goto doend;
1987 ea.line1 = fp->lnum;
1988 fp = getmark('>', FALSE);
1989 if (check_mark(fp) == FAIL)
1990 goto doend;
1991 ea.line2 = fp->lnum;
1992 ++ea.addr_count;
1993 }
1994 }
1995 }
1996 else
1997 ea.line2 = lnum;
1998 ea.addr_count++;
1999
2000 if (*ea.cmd == ';')
2001 {
2002 if (!ea.skip)
2003 curwin->w_cursor.lnum = ea.line2;
2004 }
2005 else if (*ea.cmd != ',')
2006 break;
2007 ++ea.cmd;
2008 }
2009
2010 /* One address given: set start and end lines */
2011 if (ea.addr_count == 1)
2012 {
2013 ea.line1 = ea.line2;
2014 /* ... but only implicit: really no address given */
2015 if (lnum == MAXLNUM)
2016 ea.addr_count = 0;
2017 }
2018
2019 /* Don't leave the cursor on an illegal line (caused by ';') */
2020 check_cursor_lnum();
2021
2022 /*
2023 * 4. parse command
2024 */
2025
2026 /*
2027 * Skip ':' and any white space
2028 */
2029 ea.cmd = skipwhite(ea.cmd);
2030 while (*ea.cmd == ':')
2031 ea.cmd = skipwhite(ea.cmd + 1);
2032
2033 /*
2034 * If we got a line, but no command, then go to the line.
2035 * If we find a '|' or '\n' we set ea.nextcmd.
2036 */
2037 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2038 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2039 {
2040 /*
2041 * strange vi behaviour:
2042 * ":3" jumps to line 3
2043 * ":3|..." prints line 3
2044 * ":|" prints current line
2045 */
2046 if (ea.skip) /* skip this if inside :if */
2047 goto doend;
2048 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2049 {
2050 ea.cmdidx = CMD_print;
2051 ea.argt = RANGE+COUNT+TRLBAR;
2052 if ((errormsg = invalid_range(&ea)) == NULL)
2053 {
2054 correct_range(&ea);
2055 ex_print(&ea);
2056 }
2057 }
2058 else if (ea.addr_count != 0)
2059 {
2060 if (ea.line2 > curbuf->b_ml.ml_line_count)
2061 {
2062 /* With '-' in 'cpoptions' a line number past the file is an
2063 * error, otherwise put it at the end of the file. */
2064 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2065 ea.line2 = -1;
2066 else
2067 ea.line2 = curbuf->b_ml.ml_line_count;
2068 }
2069
2070 if (ea.line2 < 0)
2071 errormsg = (char_u *)_(e_invrange);
2072 else
2073 {
2074 if (ea.line2 == 0)
2075 curwin->w_cursor.lnum = 1;
2076 else
2077 curwin->w_cursor.lnum = ea.line2;
2078 beginline(BL_SOL | BL_FIX);
2079 }
2080 }
2081 goto doend;
2082 }
2083
2084 /* Find the command and let "p" point to after it. */
2085 p = find_command(&ea, NULL);
2086
2087 #ifdef FEAT_USR_CMDS
2088 if (p == NULL)
2089 {
2090 if (!ea.skip)
2091 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2092 goto doend;
2093 }
2094 /* Check for wrong commands. */
2095 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2096 {
2097 errormsg = uc_fun_cmd();
2098 goto doend;
2099 }
2100 #endif
2101 if (ea.cmdidx == CMD_SIZE)
2102 {
2103 if (!ea.skip)
2104 {
2105 STRCPY(IObuff, _("E492: Not an editor command"));
2106 if (!sourcing)
2107 {
2108 STRCAT(IObuff, ": ");
2109 STRNCAT(IObuff, *cmdlinep, 40);
2110 }
2111 errormsg = IObuff;
2112 }
2113 goto doend;
2114 }
2115
2116 ni = (
2117 #ifdef FEAT_USR_CMDS
2118 !USER_CMDIDX(ea.cmdidx) &&
2119 #endif
2120 cmdnames[ea.cmdidx].cmd_func == ex_ni);
2121
2122 #ifndef FEAT_EVAL
2123 /*
2124 * When the expression evaluation is disabled, recognize the ":if" and
2125 * ":endif" commands and ignore everything in between it.
2126 */
2127 if (ea.cmdidx == CMD_if)
2128 ++if_level;
2129 if (if_level)
2130 {
2131 if (ea.cmdidx == CMD_endif)
2132 --if_level;
2133 goto doend;
2134 }
2135
2136 #endif
2137
2138 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
2139 {
2140 ++p;
2141 ea.forceit = TRUE;
2142 }
2143 else
2144 ea.forceit = FALSE;
2145
2146 /*
2147 * 5. parse arguments
2148 */
2149 #ifdef FEAT_USR_CMDS
2150 if (!USER_CMDIDX(ea.cmdidx))
2151 #endif
2152 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2153
2154 if (!ea.skip)
2155 {
2156 #ifdef HAVE_SANDBOX
2157 if (sandbox != 0 && !(ea.argt & SBOXOK))
2158 {
2159 /* Command not allowed in sandbox. */
2160 errormsg = (char_u *)_(e_sandbox);
2161 goto doend;
2162 }
2163 #endif
2164 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2165 {
2166 /* Command not allowed in non-'modifiable' buffer */
2167 errormsg = (char_u *)_(e_modifiable);
2168 goto doend;
2169 }
2170
2171 if (text_locked() && !(ea.argt & CMDWIN)
2172 # ifdef FEAT_USR_CMDS
2173 && !USER_CMDIDX(ea.cmdidx)
2174 # endif
2175 )
2176 {
2177 /* Command not allowed when editing the command line. */
2178 #ifdef FEAT_CMDWIN
2179 if (cmdwin_type != 0)
2180 errormsg = (char_u *)_(e_cmdwin);
2181 else
2182 #endif
2183 errormsg = (char_u *)_(e_secure);
2184 goto doend;
2185 }
2186 #ifdef FEAT_AUTOCMD
2187 /* Disallow editing another buffer when "curbuf_lock" is set.
2188 * Do allow ":edit" (check for argument later).
2189 * Do allow ":checktime" (it's postponed). */
2190 if (!(ea.argt & CMDWIN)
2191 && ea.cmdidx != CMD_edit
2192 && ea.cmdidx != CMD_checktime
2193 # ifdef FEAT_USR_CMDS
2194 && !USER_CMDIDX(ea.cmdidx)
2195 # endif
2196 && curbuf_locked())
2197 goto doend;
2198 #endif
2199
2200 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2201 {
2202 /* no range allowed */
2203 errormsg = (char_u *)_(e_norange);
2204 goto doend;
2205 }
2206 }
2207
2208 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2209 {
2210 errormsg = (char_u *)_(e_nobang);
2211 goto doend;
2212 }
2213
2214 /*
2215 * Don't complain about the range if it is not used
2216 * (could happen if line_count is accidentally set to 0).
2217 */
2218 if (!ea.skip && !ni)
2219 {
2220 /*
2221 * If the range is backwards, ask for confirmation and, if given, swap
2222 * ea.line1 & ea.line2 so it's forwards again.
2223 * When global command is busy, don't ask, will fail below.
2224 */
2225 if (!global_busy && ea.line1 > ea.line2)
2226 {
2227 if (msg_silent == 0)
2228 {
2229 if (sourcing || exmode_active)
2230 {
2231 errormsg = (char_u *)_("E493: Backwards range given");
2232 goto doend;
2233 }
2234 if (ask_yesno((char_u *)
2235 _("Backwards range given, OK to swap"), FALSE) != 'y')
2236 goto doend;
2237 }
2238 lnum = ea.line1;
2239 ea.line1 = ea.line2;
2240 ea.line2 = lnum;
2241 }
2242 if ((errormsg = invalid_range(&ea)) != NULL)
2243 goto doend;
2244 }
2245
2246 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2247 ea.line2 = 1;
2248
2249 correct_range(&ea);
2250
2251 #ifdef FEAT_FOLDING
2252 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2253 {
2254 /* Put the first line at the start of a closed fold, put the last line
2255 * at the end of a closed fold. */
2256 (void)hasFolding(ea.line1, &ea.line1, NULL);
2257 (void)hasFolding(ea.line2, NULL, &ea.line2);
2258 }
2259 #endif
2260
2261 #ifdef FEAT_QUICKFIX
2262 /*
2263 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2264 * option here, so things like % get expanded.
2265 */
2266 p = replace_makeprg(&ea, p, cmdlinep);
2267 if (p == NULL)
2268 goto doend;
2269 #endif
2270
2271 /*
2272 * Skip to start of argument.
2273 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2274 */
2275 if (ea.cmdidx == CMD_bang)
2276 ea.arg = p;
2277 else
2278 ea.arg = skipwhite(p);
2279
2280 /*
2281 * Check for "++opt=val" argument.
2282 * Must be first, allow ":w ++enc=utf8 !cmd"
2283 */
2284 if (ea.argt & ARGOPT)
2285 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2286 if (getargopt(&ea) == FAIL && !ni)
2287 {
2288 errormsg = (char_u *)_(e_invarg);
2289 goto doend;
2290 }
2291
2292 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2293 {
2294 if (*ea.arg == '>') /* append */
2295 {
2296 if (*++ea.arg != '>') /* typed wrong */
2297 {
2298 errormsg = (char_u *)_("E494: Use w or w>>");
2299 goto doend;
2300 }
2301 ea.arg = skipwhite(ea.arg + 1);
2302 ea.append = TRUE;
2303 }
2304 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2305 {
2306 ++ea.arg;
2307 ea.usefilter = TRUE;
2308 }
2309 }
2310
2311 if (ea.cmdidx == CMD_read)
2312 {
2313 if (ea.forceit)
2314 {
2315 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2316 ea.forceit = FALSE;
2317 }
2318 else if (*ea.arg == '!') /* :r !filter */
2319 {
2320 ++ea.arg;
2321 ea.usefilter = TRUE;
2322 }
2323 }
2324
2325 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2326 {
2327 ea.amount = 1;
2328 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2329 {
2330 ++ea.arg;
2331 ++ea.amount;
2332 }
2333 ea.arg = skipwhite(ea.arg);
2334 }
2335
2336 /*
2337 * Check for "+command" argument, before checking for next command.
2338 * Don't do this for ":read !cmd" and ":write !cmd".
2339 */
2340 if ((ea.argt & EDITCMD) && !ea.usefilter)
2341 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2342
2343 /*
2344 * Check for '|' to separate commands and '"' to start comments.
2345 * Don't do this for ":read !cmd" and ":write !cmd".
2346 */
2347 if ((ea.argt & TRLBAR) && !ea.usefilter)
2348 separate_nextcmd(&ea);
2349
2350 /*
2351 * Check for <newline> to end a shell command.
2352 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2353 * Any others?
2354 */
2355 else if (ea.cmdidx == CMD_bang
2356 || ea.cmdidx == CMD_global
2357 || ea.cmdidx == CMD_vglobal
2358 || ea.usefilter)
2359 {
2360 for (p = ea.arg; *p; ++p)
2361 {
2362 /* Remove one backslash before a newline, so that it's possible to
2363 * pass a newline to the shell and also a newline that is preceded
2364 * with a backslash. This makes it impossible to end a shell
2365 * command in a backslash, but that doesn't appear useful.
2366 * Halving the number of backslashes is incompatible with previous
2367 * versions. */
2368 if (*p == '\\' && p[1] == '\n')
2369 mch_memmove(p, p + 1, STRLEN(p));
2370 else if (*p == '\n')
2371 {
2372 ea.nextcmd = p + 1;
2373 *p = NUL;
2374 break;
2375 }
2376 }
2377 }
2378
2379 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2380 {
2381 ea.line1 = 1;
2382 ea.line2 = curbuf->b_ml.ml_line_count;
2383 }
2384
2385 /* accept numbered register only when no count allowed (:put) */
2386 if ( (ea.argt & REGSTR)
2387 && *ea.arg != NUL
2388 #ifdef FEAT_USR_CMDS
2389 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2390 && USER_CMDIDX(ea.cmdidx)))
2391 /* Do not allow register = for user commands */
2392 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2393 #else
2394 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2395 #endif
2396 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2397 {
2398 ea.regname = *ea.arg++;
2399 #ifdef FEAT_EVAL
2400 /* for '=' register: accept the rest of the line as an expression */
2401 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2402 {
2403 set_expr_line(vim_strsave(ea.arg));
2404 ea.arg += STRLEN(ea.arg);
2405 }
2406 #endif
2407 ea.arg = skipwhite(ea.arg);
2408 }
2409
2410 /*
2411 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2412 * count, it's a buffer name.
2413 */
2414 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2415 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2416 || vim_iswhite(*p)))
2417 {
2418 n = getdigits(&ea.arg);
2419 ea.arg = skipwhite(ea.arg);
2420 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2421 {
2422 errormsg = (char_u *)_(e_zerocount);
2423 goto doend;
2424 }
2425 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2426 {
2427 ea.line2 = n;
2428 if (ea.addr_count == 0)
2429 ea.addr_count = 1;
2430 }
2431 else
2432 {
2433 ea.line1 = ea.line2;
2434 ea.line2 += n - 1;
2435 ++ea.addr_count;
2436 /*
2437 * Be vi compatible: no error message for out of range.
2438 */
2439 if (ea.line2 > curbuf->b_ml.ml_line_count)
2440 ea.line2 = curbuf->b_ml.ml_line_count;
2441 }
2442 }
2443
2444 /*
2445 * Check for flags: 'l', 'p' and '#'.
2446 */
2447 if (ea.argt & EXFLAGS)
2448 get_flags(&ea);
2449 /* no arguments allowed */
2450 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2451 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2452 {
2453 errormsg = (char_u *)_(e_trailing);
2454 goto doend;
2455 }
2456
2457 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2458 {
2459 errormsg = (char_u *)_(e_argreq);
2460 goto doend;
2461 }
2462
2463 #ifdef FEAT_EVAL
2464 /*
2465 * Skip the command when it's not going to be executed.
2466 * The commands like :if, :endif, etc. always need to be executed.
2467 * Also make an exception for commands that handle a trailing command
2468 * themselves.
2469 */
2470 if (ea.skip)
2471 {
2472 switch (ea.cmdidx)
2473 {
2474 /* commands that need evaluation */
2475 case CMD_while:
2476 case CMD_endwhile:
2477 case CMD_for:
2478 case CMD_endfor:
2479 case CMD_if:
2480 case CMD_elseif:
2481 case CMD_else:
2482 case CMD_endif:
2483 case CMD_try:
2484 case CMD_catch:
2485 case CMD_finally:
2486 case CMD_endtry:
2487 case CMD_function:
2488 break;
2489
2490 /* Commands that handle '|' themselves. Check: A command should
2491 * either have the TRLBAR flag, appear in this list or appear in
2492 * the list at ":help :bar". */
2493 case CMD_aboveleft:
2494 case CMD_and:
2495 case CMD_belowright:
2496 case CMD_botright:
2497 case CMD_browse:
2498 case CMD_call:
2499 case CMD_confirm:
2500 case CMD_delfunction:
2501 case CMD_djump:
2502 case CMD_dlist:
2503 case CMD_dsearch:
2504 case CMD_dsplit:
2505 case CMD_echo:
2506 case CMD_echoerr:
2507 case CMD_echomsg:
2508 case CMD_echon:
2509 case CMD_execute:
2510 case CMD_help:
2511 case CMD_hide:
2512 case CMD_ijump:
2513 case CMD_ilist:
2514 case CMD_isearch:
2515 case CMD_isplit:
2516 case CMD_keepalt:
2517 case CMD_keepjumps:
2518 case CMD_keepmarks:
2519 case CMD_leftabove:
2520 case CMD_let:
2521 case CMD_lockmarks:
2522 case CMD_match:
2523 case CMD_mzscheme:
2524 case CMD_perl:
2525 case CMD_psearch:
2526 case CMD_python:
2527 case CMD_return:
2528 case CMD_rightbelow:
2529 case CMD_ruby:
2530 case CMD_silent:
2531 case CMD_smagic:
2532 case CMD_snomagic:
2533 case CMD_substitute:
2534 case CMD_syntax:
2535 case CMD_tab:
2536 case CMD_tcl:
2537 case CMD_throw:
2538 case CMD_tilde:
2539 case CMD_topleft:
2540 case CMD_unlet:
2541 case CMD_verbose:
2542 case CMD_vertical:
2543 break;
2544
2545 default: goto doend;
2546 }
2547 }
2548 #endif
2549
2550 if (ea.argt & XFILE)
2551 {
2552 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2553 goto doend;
2554 }
2555
2556 #ifdef FEAT_LISTCMDS
2557 /*
2558 * Accept buffer name. Cannot be used at the same time with a buffer
2559 * number. Don't do this for a user command.
2560 */
2561 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2562 # ifdef FEAT_USR_CMDS
2563 && !USER_CMDIDX(ea.cmdidx)
2564 # endif
2565 )
2566 {
2567 /*
2568 * :bdelete, :bwipeout and :bunload take several arguments, separated
2569 * by spaces: find next space (skipping over escaped characters).
2570 * The others take one argument: ignore trailing spaces.
2571 */
2572 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2573 || ea.cmdidx == CMD_bunload)
2574 p = skiptowhite_esc(ea.arg);
2575 else
2576 {
2577 p = ea.arg + STRLEN(ea.arg);
2578 while (p > ea.arg && vim_iswhite(p[-1]))
2579 --p;
2580 }
2581 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2582 if (ea.line2 < 0) /* failed */
2583 goto doend;
2584 ea.addr_count = 1;
2585 ea.arg = skipwhite(p);
2586 }
2587 #endif
2588
2589 /*
2590 * 6. switch on command name
2591 *
2592 * The "ea" structure holds the arguments that can be used.
2593 */
2594 ea.cmdlinep = cmdlinep;
2595 ea.getline = fgetline;
2596 ea.cookie = cookie;
2597 #ifdef FEAT_EVAL
2598 ea.cstack = cstack;
2599 #endif
2600
2601 #ifdef FEAT_USR_CMDS
2602 if (USER_CMDIDX(ea.cmdidx))
2603 {
2604 /*
2605 * Execute a user-defined command.
2606 */
2607 do_ucmd(&ea);
2608 }
2609 else
2610 #endif
2611 {
2612 /*
2613 * Call the function to execute the command.
2614 */
2615 ea.errmsg = NULL;
2616 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2617 if (ea.errmsg != NULL)
2618 errormsg = (char_u *)_(ea.errmsg);
2619 }
2620
2621 #ifdef FEAT_EVAL
2622 /*
2623 * If the command just executed called do_cmdline(), any throw or ":return"
2624 * or ":finish" encountered there must also check the cstack of the still
2625 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2626 * exception, or reanimate a returned function or finished script file and
2627 * return or finish it again.
2628 */
2629 if (need_rethrow)
2630 do_throw(cstack);
2631 else if (check_cstack)
2632 {
2633 if (source_finished(fgetline, cookie))
2634 do_finish(&ea, TRUE);
2635 else if (getline_equal(fgetline, cookie, get_func_line)
2636 && current_func_returned())
2637 do_return(&ea, TRUE, FALSE, NULL);
2638 }
2639 need_rethrow = check_cstack = FALSE;
2640 #endif
2641
2642 doend:
2643 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2644 curwin->w_cursor.lnum = 1;
2645
2646 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2647 {
2648 if (sourcing)
2649 {
2650 if (errormsg != IObuff)
2651 {
2652 STRCPY(IObuff, errormsg);
2653 errormsg = IObuff;
2654 }
2655 STRCAT(errormsg, ": ");
2656 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff));
2657 }
2658 emsg(errormsg);
2659 }
2660 #ifdef FEAT_EVAL
2661 do_errthrow(cstack,
2662 (ea.cmdidx != CMD_SIZE
2663 # ifdef FEAT_USR_CMDS
2664 && !USER_CMDIDX(ea.cmdidx)
2665 # endif
2666 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2667 #endif
2668
2669 if (verbose_save >= 0)
2670 p_verbose = verbose_save;
2671 #ifdef FEAT_AUTOCMD
2672 if (cmdmod.save_ei != NULL)
2673 {
2674 /* Restore 'eventignore' to the value before ":noautocmd". */
2675 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2676 OPT_FREE, SID_NONE);
2677 free_string_option(cmdmod.save_ei);
2678 }
2679 #endif
2680
2681 cmdmod = save_cmdmod;
2682
2683 if (did_silent > 0)
2684 {
2685 /* messages could be enabled for a serious error, need to check if the
2686 * counters don't become negative */
2687 msg_silent -= did_silent;
2688 if (msg_silent < 0)
2689 msg_silent = 0;
2690 emsg_silent -= did_esilent;
2691 if (emsg_silent < 0)
2692 emsg_silent = 0;
2693 /* Restore msg_scroll, it's set by file I/O commands, even when no
2694 * message is actually displayed. */
2695 msg_scroll = save_msg_scroll;
2696 }
2697
2698 #ifdef HAVE_SANDBOX
2699 if (did_sandbox)
2700 --sandbox;
2701 #endif
2702
2703 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2704 ea.nextcmd = NULL;
2705
2706 #ifdef FEAT_EVAL
2707 --ex_nesting_level;
2708 #endif
2709
2710 return ea.nextcmd;
2711 }
2712 #if (_MSC_VER == 1200)
2713 #pragma optimize( "", on )
2714 #endif
2715
2716 /*
2717 * Check for an Ex command with optional tail.
2718 * If there is a match advance "pp" to the argument and return TRUE.
2719 */
2720 int
2721 checkforcmd(pp, cmd, len)
2722 char_u **pp; /* start of command */
2723 char *cmd; /* name of command */
2724 int len; /* required length */
2725 {
2726 int i;
2727
2728 for (i = 0; cmd[i] != NUL; ++i)
2729 if (cmd[i] != (*pp)[i])
2730 break;
2731 if (i >= len && !isalpha((*pp)[i]))
2732 {
2733 *pp = skipwhite(*pp + i);
2734 return TRUE;
2735 }
2736 return FALSE;
2737 }
2738
2739 /*
2740 * Find an Ex command by its name, either built-in or user.
2741 * Start of the name can be found at eap->cmd.
2742 * Returns pointer to char after the command name.
2743 * "full" is set to TRUE if the whole command name matched.
2744 * Returns NULL for an ambiguous user command.
2745 */
2746 /*ARGSUSED*/
2747 static char_u *
2748 find_command(eap, full)
2749 exarg_T *eap;
2750 int *full;
2751 {
2752 int len;
2753 char_u *p;
2754 int i;
2755
2756 /*
2757 * Isolate the command and search for it in the command table.
2758 * Exeptions:
2759 * - the 'k' command can directly be followed by any character.
2760 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2761 * but :sre[wind] is another command, as are :scrip[tnames],
2762 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2763 * - the "d" command can directly be followed by 'l' or 'p' flag.
2764 */
2765 p = eap->cmd;
2766 if (*p == 'k')
2767 {
2768 eap->cmdidx = CMD_k;
2769 ++p;
2770 }
2771 else if (p[0] == 's'
2772 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2773 && p[3] != 'i' && p[4] != 'p')
2774 || p[1] == 'g'
2775 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2776 || p[1] == 'I'
2777 || (p[1] == 'r' && p[2] != 'e')))
2778 {
2779 eap->cmdidx = CMD_substitute;
2780 ++p;
2781 }
2782 else
2783 {
2784 while (ASCII_ISALPHA(*p))
2785 ++p;
2786 /* check for non-alpha command */
2787 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2788 ++p;
2789 len = (int)(p - eap->cmd);
2790 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2791 {
2792 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2793 * :delete with the 'l' flag. Same for 'p'. */
2794 for (i = 0; i < len; ++i)
2795 if (eap->cmd[i] != "delete"[i])
2796 break;
2797 if (i == len - 1)
2798 {
2799 --len;
2800 if (p[-1] == 'l')
2801 eap->flags |= EXFLAG_LIST;
2802 else
2803 eap->flags |= EXFLAG_PRINT;
2804 }
2805 }
2806
2807 if (ASCII_ISLOWER(*eap->cmd))
2808 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2809 else
2810 eap->cmdidx = cmdidxs[26];
2811
2812 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2813 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2814 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2815 (size_t)len) == 0)
2816 {
2817 #ifdef FEAT_EVAL
2818 if (full != NULL
2819 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2820 *full = TRUE;
2821 #endif
2822 break;
2823 }
2824
2825 #ifdef FEAT_USR_CMDS
2826 /* Look for a user defined command as a last resort */
2827 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2828 {
2829 /* User defined commands may contain digits. */
2830 while (ASCII_ISALNUM(*p))
2831 ++p;
2832 p = find_ucmd(eap, p, full, NULL, NULL);
2833 }
2834 #endif
2835 if (p == eap->cmd)
2836 eap->cmdidx = CMD_SIZE;
2837 }
2838
2839 return p;
2840 }
2841
2842 #ifdef FEAT_USR_CMDS
2843 /*
2844 * Search for a user command that matches "eap->cmd".
2845 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2846 * Return a pointer to just after the command.
2847 * Return NULL if there is no matching command.
2848 */
2849 static char_u *
2850 find_ucmd(eap, p, full, xp, compl)
2851 exarg_T *eap;
2852 char_u *p; /* end of the command (possibly including count) */
2853 int *full; /* set to TRUE for a full match */
2854 expand_T *xp; /* used for completion, NULL otherwise */
2855 int *compl; /* completion flags or NULL */
2856 {
2857 int len = (int)(p - eap->cmd);
2858 int j, k, matchlen = 0;
2859 ucmd_T *uc;
2860 int found = FALSE;
2861 int possible = FALSE;
2862 char_u *cp, *np; /* Point into typed cmd and test name */
2863 garray_T *gap;
2864 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2865 only full match global is accepted. */
2866
2867 /*
2868 * Look for buffer-local user commands first, then global ones.
2869 */
2870 gap = &curbuf->b_ucmds;
2871 for (;;)
2872 {
2873 for (j = 0; j < gap->ga_len; ++j)
2874 {
2875 uc = USER_CMD_GA(gap, j);
2876 cp = eap->cmd;
2877 np = uc->uc_name;
2878 k = 0;
2879 while (k < len && *np != NUL && *cp++ == *np++)
2880 k++;
2881 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2882 {
2883 /* If finding a second match, the command is ambiguous. But
2884 * not if a buffer-local command wasn't a full match and a
2885 * global command is a full match. */
2886 if (k == len && found && *np != NUL)
2887 {
2888 if (gap == &ucmds)
2889 return NULL;
2890 amb_local = TRUE;
2891 }
2892
2893 if (!found || (k == len && *np == NUL))
2894 {
2895 /* If we matched up to a digit, then there could
2896 * be another command including the digit that we
2897 * should use instead.
2898 */
2899 if (k == len)
2900 found = TRUE;
2901 else
2902 possible = TRUE;
2903
2904 if (gap == &ucmds)
2905 eap->cmdidx = CMD_USER;
2906 else
2907 eap->cmdidx = CMD_USER_BUF;
2908 eap->argt = (long)uc->uc_argt;
2909 eap->useridx = j;
2910
2911 # ifdef FEAT_CMDL_COMPL
2912 if (compl != NULL)
2913 *compl = uc->uc_compl;
2914 # ifdef FEAT_EVAL
2915 if (xp != NULL)
2916 {
2917 xp->xp_arg = uc->uc_compl_arg;
2918 xp->xp_scriptID = uc->uc_scriptID;
2919 }
2920 # endif
2921 # endif
2922 /* Do not search for further abbreviations
2923 * if this is an exact match. */
2924 matchlen = k;
2925 if (k == len && *np == NUL)
2926 {
2927 if (full != NULL)
2928 *full = TRUE;
2929 amb_local = FALSE;
2930 break;
2931 }
2932 }
2933 }
2934 }
2935
2936 /* Stop if we found a full match or searched all. */
2937 if (j < gap->ga_len || gap == &ucmds)
2938 break;
2939 gap = &ucmds;
2940 }
2941
2942 /* Only found ambiguous matches. */
2943 if (amb_local)
2944 {
2945 if (xp != NULL)
2946 xp->xp_context = EXPAND_UNSUCCESSFUL;
2947 return NULL;
2948 }
2949
2950 /* The match we found may be followed immediately by a number. Move "p"
2951 * back to point to it. */
2952 if (found || possible)
2953 return p + (matchlen - len);
2954 return p;
2955 }
2956 #endif
2957
2958 #if defined(FEAT_EVAL) || defined(PROTO)
2959 /*
2960 * Return > 0 if an Ex command "name" exists.
2961 * Return 2 if there is an exact match.
2962 * Return 3 if there is an ambiguous match.
2963 */
2964 int
2965 cmd_exists(name)
2966 char_u *name;
2967 {
2968 exarg_T ea;
2969 int full = FALSE;
2970 int i;
2971 int j;
2972 char_u *p;
2973 static struct cmdmod
2974 {
2975 char *name;
2976 int minlen;
2977 } cmdmods[] = {
2978 {"aboveleft", 3},
2979 {"belowright", 3},
2980 {"botright", 2},
2981 {"browse", 3},
2982 {"confirm", 4},
2983 {"hide", 3},
2984 {"keepalt", 5},
2985 {"keepjumps", 5},
2986 {"keepmarks", 3},
2987 {"leftabove", 5},
2988 {"lockmarks", 3},
2989 {"rightbelow", 6},
2990 {"sandbox", 3},
2991 {"silent", 3},
2992 {"tab", 3},
2993 {"topleft", 2},
2994 {"verbose", 4},
2995 {"vertical", 4},
2996 };
2997
2998 /* Check command modifiers. */
2999 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3000 {
3001 for (j = 0; name[j] != NUL; ++j)
3002 if (name[j] != cmdmods[i].name[j])
3003 break;
3004 if (name[j] == NUL && j >= cmdmods[i].minlen)
3005 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3006 }
3007
3008 /* Check built-in commands and user defined commands.
3009 * For ":2match" and ":3match" we need to skip the number. */
3010 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3011 ea.cmdidx = (cmdidx_T)0;
3012 p = find_command(&ea, &full);
3013 if (p == NULL)
3014 return 3;
3015 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3016 return 0;
3017 if (*skipwhite(p) != NUL)
3018 return 0; /* trailing garbage */
3019 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3020 }
3021 #endif
3022
3023 /*
3024 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3025 * we don't need/want deleted. Maybe this could be done better if we didn't
3026 * repeat all this stuff. The only problem is that they may not stay
3027 * perfectly compatible with each other, but then the command line syntax
3028 * probably won't change that much -- webb.
3029 */
3030 char_u *
3031 set_one_cmd_context(xp, buff)
3032 expand_T *xp;
3033 char_u *buff; /* buffer for command string */
3034 {
3035 char_u *p;
3036 char_u *cmd, *arg;
3037 int len = 0;
3038 exarg_T ea;
3039 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3040 int compl = EXPAND_NOTHING;
3041 #endif
3042 #ifdef FEAT_CMDL_COMPL
3043 int delim;
3044 #endif
3045 int forceit = FALSE;
3046 int usefilter = FALSE; /* filter instead of file name */
3047
3048 ExpandInit(xp);
3049 xp->xp_pattern = buff;
3050 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3051 ea.argt = 0;
3052
3053 /*
3054 * 2. skip comment lines and leading space, colons or bars
3055 */
3056 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3057 ;
3058 xp->xp_pattern = cmd;
3059
3060 if (*cmd == NUL)
3061 return NULL;
3062 if (*cmd == '"') /* ignore comment lines */
3063 {
3064 xp->xp_context = EXPAND_NOTHING;
3065 return NULL;
3066 }
3067
3068 /*
3069 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3070 */
3071 cmd = skip_range(cmd, &xp->xp_context);
3072
3073 /*
3074 * 4. parse command
3075 */
3076 xp->xp_pattern = cmd;
3077 if (*cmd == NUL)
3078 return NULL;
3079 if (*cmd == '"')
3080 {
3081 xp->xp_context = EXPAND_NOTHING;
3082 return NULL;
3083 }
3084
3085 if (*cmd == '|' || *cmd == '\n')
3086 return cmd + 1; /* There's another command */
3087
3088 /*
3089 * Isolate the command and search for it in the command table.
3090 * Exceptions:
3091 * - the 'k' command can directly be followed by any character, but
3092 * do accept "keepmarks", "keepalt" and "keepjumps".
3093 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3094 */
3095 if (*cmd == 'k' && cmd[1] != 'e')
3096 {
3097 ea.cmdidx = CMD_k;
3098 p = cmd + 1;
3099 }
3100 else
3101 {
3102 p = cmd;
3103 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3104 ++p;
3105 /* check for non-alpha command */
3106 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3107 ++p;
3108 len = (int)(p - cmd);
3109
3110 if (len == 0)
3111 {
3112 xp->xp_context = EXPAND_UNSUCCESSFUL;
3113 return NULL;
3114 }
3115 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3116 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3117 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3118 break;
3119
3120 #ifdef FEAT_USR_CMDS
3121 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3122 {
3123 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3124 ++p;
3125 len = (int)(p - cmd);
3126 }
3127 #endif
3128 }
3129
3130 /*
3131 * If the cursor is touching the command, and it ends in an alpha-numeric
3132 * character, complete the command name.
3133 */
3134 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3135 return NULL;
3136
3137 if (ea.cmdidx == CMD_SIZE)
3138 {
3139 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3140 {
3141 ea.cmdidx = CMD_substitute;
3142 p = cmd + 1;
3143 }
3144 #ifdef FEAT_USR_CMDS
3145 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3146 {
3147 ea.cmd = cmd;
3148 p = find_ucmd(&ea, p, NULL, xp,
3149 # if defined(FEAT_CMDL_COMPL)
3150 &compl
3151 # else
3152 NULL
3153 # endif
3154 );
3155 if (p == NULL)
3156 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3157 }
3158 #endif
3159 }
3160 if (ea.cmdidx == CMD_SIZE)
3161 {
3162 /* Not still touching the command and it was an illegal one */
3163 xp->xp_context = EXPAND_UNSUCCESSFUL;
3164 return NULL;
3165 }
3166
3167 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3168
3169 if (*p == '!') /* forced commands */
3170 {
3171 forceit = TRUE;
3172 ++p;
3173 }
3174
3175 /*
3176 * 5. parse arguments
3177 */
3178 #ifdef FEAT_USR_CMDS
3179 if (!USER_CMDIDX(ea.cmdidx))
3180 #endif
3181 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3182
3183 arg = skipwhite(p);
3184
3185 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3186 {
3187 if (*arg == '>') /* append */
3188 {
3189 if (*++arg == '>')
3190 ++arg;
3191 arg = skipwhite(arg);
3192 }
3193 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3194 {
3195 ++arg;
3196 usefilter = TRUE;
3197 }
3198 }
3199
3200 if (ea.cmdidx == CMD_read)
3201 {
3202 usefilter = forceit; /* :r! filter if forced */
3203 if (*arg == '!') /* :r !filter */
3204 {
3205 ++arg;
3206 usefilter = TRUE;
3207 }
3208 }
3209
3210 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3211 {
3212 while (*arg == *cmd) /* allow any number of '>' or '<' */
3213 ++arg;
3214 arg = skipwhite(arg);
3215 }
3216
3217 /* Does command allow "+command"? */
3218 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3219 {
3220 /* Check if we're in the +command */
3221 p = arg + 1;
3222 arg = skip_cmd_arg(arg, FALSE);
3223
3224 /* Still touching the command after '+'? */
3225 if (*arg == NUL)
3226 return p;
3227
3228 /* Skip space(s) after +command to get to the real argument */
3229 arg = skipwhite(arg);
3230 }
3231
3232 /*
3233 * Check for '|' to separate commands and '"' to start comments.
3234 * Don't do this for ":read !cmd" and ":write !cmd".
3235 */
3236 if ((ea.argt & TRLBAR) && !usefilter)
3237 {
3238 p = arg;
3239 /* ":redir @" is not the start of a comment */
3240 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3241 p += 2;
3242 while (*p)
3243 {
3244 if (*p == Ctrl_V)
3245 {
3246 if (p[1] != NUL)
3247 ++p;
3248 }
3249 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3250 || *p == '|' || *p == '\n')
3251 {
3252 if (*(p - 1) != '\\')
3253 {
3254 if (*p == '|' || *p == '\n')
3255 return p + 1;
3256 return NULL; /* It's a comment */
3257 }
3258 }
3259 mb_ptr_adv(p);
3260 }
3261 }
3262
3263 /* no arguments allowed */
3264 if (!(ea.argt & EXTRA) && *arg != NUL &&
3265 vim_strchr((char_u *)"|\"", *arg) == NULL)
3266 return NULL;
3267
3268 /* Find start of last argument (argument just before cursor): */
3269 p = buff + STRLEN(buff);
3270 while (p != arg && *p != ' ' && *p != TAB)
3271 p--;
3272 if (*p == ' ' || *p == TAB)
3273 p++;
3274 xp->xp_pattern = p;
3275
3276 if (ea.argt & XFILE)
3277 {
3278 int in_quote = FALSE;
3279 char_u *bow = NULL; /* Beginning of word */
3280
3281 /*
3282 * Allow spaces within back-quotes to count as part of the argument
3283 * being expanded.
3284 */
3285 xp->xp_pattern = skipwhite(arg);
3286 for (p = xp->xp_pattern; *p; )
3287 {
3288 if (*p == '\\' && p[1] != NUL)
3289 ++p;
3290 #ifdef SPACE_IN_FILENAME
3291 else if (vim_iswhite(*p) && (!(ea.argt & NOSPC) || usefilter))
3292 #else
3293 else if (vim_iswhite(*p))
3294 #endif
3295 {
3296 p = skipwhite(p);
3297 if (in_quote)
3298 bow = p;
3299 else
3300 xp->xp_pattern = p;
3301 --p;
3302 }
3303 else if (*p == '`')
3304 {
3305 if (!in_quote)
3306 {
3307 xp->xp_pattern = p;
3308 bow = p + 1;
3309 }
3310 in_quote = !in_quote;
3311 }
3312 mb_ptr_adv(p);
3313 }
3314
3315 /*
3316 * If we are still inside the quotes, and we passed a space, just
3317 * expand from there.
3318 */
3319 if (bow != NULL && in_quote)
3320 xp->xp_pattern = bow;
3321 xp->xp_context = EXPAND_FILES;
3322
3323 #ifndef BACKSLASH_IN_FILENAME
3324 /* For a shell command more chars need to be escaped. */
3325 if (usefilter || ea.cmdidx == CMD_bang)
3326 {
3327 xp->xp_shell = TRUE;
3328
3329 /* When still after the command name expand executables. */
3330 if (xp->xp_pattern == skipwhite(arg))
3331 xp->xp_context = EXPAND_SHELLCMD;
3332 }
3333 #endif
3334
3335 /* Check for environment variable */
3336 if (*xp->xp_pattern == '$'
3337 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3338 || *xp->xp_pattern == '%'
3339 #endif
3340 )
3341 {
3342 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3343 if (!vim_isIDc(*p))
3344 break;
3345 if (*p == NUL)
3346 {
3347 xp->xp_context = EXPAND_ENV_VARS;
3348 ++xp->xp_pattern;
3349 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3350 /* Avoid that the assignment uses EXPAND_FILES again. */
3351 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3352 compl = EXPAND_ENV_VARS;
3353 #endif
3354 }
3355 }
3356 }
3357
3358 /*
3359 * 6. switch on command name
3360 */
3361 switch (ea.cmdidx)
3362 {
3363 case CMD_cd:
3364 case CMD_chdir:
3365 case CMD_lcd:
3366 case CMD_lchdir:
3367 if (xp->xp_context == EXPAND_FILES)
3368 xp->xp_context = EXPAND_DIRECTORIES;
3369 break;
3370 case CMD_help:
3371 xp->xp_context = EXPAND_HELP;
3372 xp->xp_pattern = arg;
3373 break;
3374
3375 /* Command modifiers: return the argument.
3376 * Also for commands with an argument that is a command. */
3377 case CMD_aboveleft:
3378 case CMD_argdo:
3379 case CMD_belowright:
3380 case CMD_botright:
3381 case CMD_browse:
3382 case CMD_bufdo:
3383 case CMD_confirm:
3384 case CMD_debug:
3385 case CMD_folddoclosed:
3386 case CMD_folddoopen:
3387 case CMD_hide:
3388 case CMD_keepalt:
3389 case CMD_keepjumps:
3390 case CMD_keepmarks:
3391 case CMD_leftabove:
3392 case CMD_lockmarks:
3393 case CMD_rightbelow:
3394 case CMD_sandbox:
3395 case CMD_silent:
3396 case CMD_tab:
3397 case CMD_topleft:
3398 case CMD_verbose:
3399 case CMD_vertical:
3400 case CMD_windo:
3401 return arg;
3402
3403 #ifdef FEAT_SEARCH_EXTRA
3404 case CMD_match:
3405 if (*arg == NUL || !ends_excmd(*arg))
3406 {
3407 /* Dummy call to clear variables. */
3408 set_context_in_highlight_cmd(xp, (char_u *)"link n");
3409 xp->xp_context = EXPAND_HIGHLIGHT;
3410 xp->xp_pattern = arg;
3411 arg = skipwhite(skiptowhite(arg));
3412 if (*arg != NUL)
3413 {
3414 xp->xp_context = EXPAND_NOTHING;
3415 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3416 }
3417 }
3418 return find_nextcmd(arg);
3419 #endif
3420
3421 #ifdef FEAT_CMDL_COMPL
3422 /*
3423 * All completion for the +cmdline_compl feature goes here.
3424 */
3425
3426 # ifdef FEAT_USR_CMDS
3427 case CMD_command:
3428 /* Check for attributes */
3429 while (*arg == '-')
3430 {
3431 arg++; /* Skip "-" */
3432 p = skiptowhite(arg);
3433 if (*p == NUL)
3434 {
3435 /* Cursor is still in the attribute */
3436 p = vim_strchr(arg, '=');
3437 if (p == NULL)
3438 {
3439 /* No "=", so complete attribute names */
3440 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3441 xp->xp_pattern = arg;
3442 return NULL;
3443 }
3444
3445 /* For the -complete and -nargs attributes, we complete
3446 * their arguments as well.
3447 */
3448 if (STRNICMP(arg, "complete", p - arg) == 0)
3449 {
3450 xp->xp_context = EXPAND_USER_COMPLETE;
3451 xp->xp_pattern = p + 1;
3452 return NULL;
3453 }
3454 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3455 {
3456 xp->xp_context = EXPAND_USER_NARGS;
3457 xp->xp_pattern = p + 1;
3458 return NULL;
3459 }
3460 return NULL;
3461 }
3462 arg = skipwhite(p);
3463 }
3464
3465 /* After the attributes comes the new command name */
3466 p = skiptowhite(arg);
3467 if (*p == NUL)
3468 {
3469 xp->xp_context = EXPAND_USER_COMMANDS;
3470 xp->xp_pattern = arg;
3471 break;
3472 }
3473
3474 /* And finally comes a normal command */
3475 return skipwhite(p);
3476
3477 case CMD_delcommand:
3478 xp->xp_context = EXPAND_USER_COMMANDS;
3479 xp->xp_pattern = arg;
3480 break;
3481 # endif
3482
3483 case CMD_global:
3484 case CMD_vglobal:
3485 delim = *arg; /* get the delimiter */
3486 if (delim)
3487 ++arg; /* skip delimiter if there is one */
3488
3489 while (arg[0] != NUL && arg[0] != delim)
3490 {
3491 if (arg[0] == '\\' && arg[1] != NUL)
3492 ++arg;
3493 ++arg;
3494 }
3495 if (arg[0] != NUL)
3496 return arg + 1;
3497 break;
3498 case CMD_and:
3499 case CMD_substitute:
3500 delim = *arg;
3501 if (delim)
3502 {
3503 /* skip "from" part */
3504 ++arg;
3505 arg = skip_regexp(arg, delim, p_magic, NULL);
3506 }
3507 /* skip "to" part */
3508 while (arg[0] != NUL && arg[0] != delim)
3509 {
3510 if (arg[0] == '\\' && arg[1] != NUL)
3511 ++arg;
3512 ++arg;
3513 }
3514 if (arg[0] != NUL) /* skip delimiter */
3515 ++arg;
3516 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3517 ++arg;
3518 if (arg[0] != NUL)
3519 return arg;
3520 break;
3521 case CMD_isearch:
3522 case CMD_dsearch:
3523 case CMD_ilist:
3524 case CMD_dlist:
3525 case CMD_ijump:
3526 case CMD_psearch:
3527 case CMD_djump:
3528 case CMD_isplit:
3529 case CMD_dsplit:
3530 arg = skipwhite(skipdigits(arg)); /* skip count */
3531 if (*arg == '/') /* Match regexp, not just whole words */
3532 {
3533 for (++arg; *arg && *arg != '/'; arg++)
3534 if (*arg == '\\' && arg[1] != NUL)
3535 arg++;
3536 if (*arg)
3537 {
3538 arg = skipwhite(arg + 1);
3539
3540 /* Check for trailing illegal characters */
3541 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3542 xp->xp_context = EXPAND_NOTHING;
3543 else
3544 return arg;
3545 }
3546 }
3547 break;
3548 #ifdef FEAT_AUTOCMD
3549 case CMD_autocmd:
3550 return set_context_in_autocmd(xp, arg, FALSE);
3551
3552 case CMD_doautocmd:
3553 return set_context_in_autocmd(xp, arg, TRUE);
3554 #endif
3555 case CMD_set:
3556 set_context_in_set_cmd(xp, arg, 0);
3557 break;
3558 case CMD_setglobal:
3559 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3560 break;
3561 case CMD_setlocal:
3562 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3563 break;
3564 case CMD_tag:
3565 case CMD_stag:
3566 case CMD_ptag:
3567 case CMD_ltag:
3568 case CMD_tselect:
3569 case CMD_stselect:
3570 case CMD_ptselect:
3571 case CMD_tjump:
3572 case CMD_stjump:
3573 case CMD_ptjump:
3574 if (*p_wop != NUL)
3575 xp->xp_context = EXPAND_TAGS_LISTFILES;
3576 else
3577 xp->xp_context = EXPAND_TAGS;
3578 xp->xp_pattern = arg;
3579 break;
3580 case CMD_augroup:
3581 xp->xp_context = EXPAND_AUGROUP;
3582 xp->xp_pattern = arg;
3583 break;
3584 #ifdef FEAT_SYN_HL
3585 case CMD_syntax:
3586 set_context_in_syntax_cmd(xp, arg);
3587 break;
3588 #endif
3589 #ifdef FEAT_EVAL
3590 case CMD_let:
3591 case CMD_if:
3592 case CMD_elseif:
3593 case CMD_while:
3594 case CMD_for:
3595 case CMD_echo:
3596 case CMD_echon:
3597 case CMD_execute:
3598 case CMD_echomsg:
3599 case CMD_echoerr:
3600 case CMD_call:
3601 case CMD_return:
3602 set_context_for_expression(xp, arg, ea.cmdidx);
3603 break;
3604
3605 case CMD_unlet:
3606 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3607 arg = xp->xp_pattern + 1;
3608 xp->xp_context = EXPAND_USER_VARS;
3609 xp->xp_pattern = arg;
3610 break;
3611
3612 case CMD_function:
3613 case CMD_delfunction:
3614 xp->xp_context = EXPAND_USER_FUNC;
3615 xp->xp_pattern = arg;
3616 break;
3617
3618 case CMD_echohl:
3619 xp->xp_context = EXPAND_HIGHLIGHT;
3620 xp->xp_pattern = arg;
3621 break;
3622 #endif
3623 case CMD_highlight:
3624 set_context_in_highlight_cmd(xp, arg);
3625 break;
3626 #ifdef FEAT_LISTCMDS
3627 case CMD_bdelete:
3628 case CMD_bwipeout:
3629 case CMD_bunload:
3630 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3631 arg = xp->xp_pattern + 1;
3632 /*FALLTHROUGH*/
3633 case CMD_buffer:
3634 case CMD_sbuffer:
3635 case CMD_checktime:
3636 xp->xp_context = EXPAND_BUFFERS;
3637 xp->xp_pattern = arg;
3638 break;
3639 #endif
3640 #ifdef FEAT_USR_CMDS
3641 case CMD_USER:
3642 case CMD_USER_BUF:
3643 if (compl != EXPAND_NOTHING)
3644 {
3645 /* XFILE: file names are handled above */
3646 if (!(ea.argt & XFILE))
3647 {
3648 # ifdef FEAT_MENU
3649 if (compl == EXPAND_MENUS)
3650 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3651 # endif
3652 if (compl == EXPAND_COMMANDS)
3653 return arg;
3654 if (compl == EXPAND_MAPPINGS)
3655 return set_context_in_map_cmd(xp, (char_u *)"map",
3656 arg, forceit, FALSE, FALSE, CMD_map);
3657 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3658 arg = xp->xp_pattern + 1;
3659 xp->xp_pattern = arg;
3660 }
3661 xp->xp_context = compl;
3662 }
3663 break;
3664 #endif
3665 case CMD_map: case CMD_noremap:
3666 case CMD_nmap: case CMD_nnoremap:
3667 case CMD_vmap: case CMD_vnoremap:
3668 case CMD_omap: case CMD_onoremap:
3669 case CMD_imap: case CMD_inoremap:
3670 case CMD_cmap: case CMD_cnoremap:
3671 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3672 FALSE, FALSE, ea.cmdidx);
3673 case CMD_unmap:
3674 case CMD_nunmap:
3675 case CMD_vunmap:
3676 case CMD_ounmap:
3677 case CMD_iunmap:
3678 case CMD_cunmap:
3679 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3680 FALSE, TRUE, ea.cmdidx);
3681 case CMD_abbreviate: case CMD_noreabbrev:
3682 case CMD_cabbrev: case CMD_cnoreabbrev:
3683 case CMD_iabbrev: case CMD_inoreabbrev:
3684 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3685 TRUE, FALSE, ea.cmdidx);
3686 case CMD_unabbreviate:
3687 case CMD_cunabbrev:
3688 case CMD_iunabbrev:
3689 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3690 TRUE, TRUE, ea.cmdidx);
3691 #ifdef FEAT_MENU
3692 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3693 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3694 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3695 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3696 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3697 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3698 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3699 case CMD_tmenu: case CMD_tunmenu:
3700 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3701 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3702 #endif
3703
3704 case CMD_colorscheme:
3705 xp->xp_context = EXPAND_COLORS;
3706 xp->xp_pattern = arg;
3707 break;
3708
3709 case CMD_compiler:
3710 xp->xp_context = EXPAND_COMPILER;
3711 xp->xp_pattern = arg;
3712 break;
3713
3714 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3715 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3716 case CMD_language:
3717 if (*skiptowhite(arg) == NUL)
3718 {
3719 xp->xp_context = EXPAND_LANGUAGE;
3720 xp->xp_pattern = arg;
3721 }
3722 else
3723 xp->xp_context = EXPAND_NOTHING;
3724 break;
3725 #endif
3726
3727 #endif /* FEAT_CMDL_COMPL */
3728
3729 default:
3730 break;
3731 }
3732 return NULL;
3733 }
3734
3735 /*
3736 * skip a range specifier of the form: addr [,addr] [;addr] ..
3737 *
3738 * Backslashed delimiters after / or ? will be skipped, and commands will
3739 * not be expanded between /'s and ?'s or after "'".
3740 *
3741 * Also skip white space and ":" characters.
3742 * Returns the "cmd" pointer advanced to beyond the range.
3743 */
3744 char_u *
3745 skip_range(cmd, ctx)
3746 char_u *cmd;
3747 int *ctx; /* pointer to xp_context or NULL */
3748 {
3749 int delim;
3750
3751 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3752 {
3753 if (*cmd == '\'')
3754 {
3755 if (*++cmd == NUL && ctx != NULL)
3756 *ctx = EXPAND_NOTHING;
3757 }
3758 else if (*cmd == '/' || *cmd == '?')
3759 {
3760 delim = *cmd++;
3761 while (*cmd != NUL && *cmd != delim)
3762 if (*cmd++ == '\\' && *cmd != NUL)
3763 ++cmd;
3764 if (*cmd == NUL && ctx != NULL)
3765 *ctx = EXPAND_NOTHING;
3766 }
3767 if (*cmd != NUL)
3768 ++cmd;
3769 }
3770
3771 /* Skip ":" and white space. */
3772 while (*cmd == ':')
3773 cmd = skipwhite(cmd + 1);
3774
3775 return cmd;
3776 }
3777
3778 /*
3779 * get a single EX address
3780 *
3781 * Set ptr to the next character after the part that was interpreted.
3782 * Set ptr to NULL when an error is encountered.
3783 *
3784 * Return MAXLNUM when no Ex address was found.
3785 */
3786 static linenr_T
3787 get_address(ptr, skip, to_other_file)
3788 char_u **ptr;
3789 int skip; /* only skip the address, don't use it */
3790 int to_other_file; /* flag: may jump to other file */
3791 {
3792 int c;
3793 int i;
3794 long n;
3795 char_u *cmd;
3796 pos_T pos;
3797 pos_T *fp;
3798 linenr_T lnum;
3799
3800 cmd = skipwhite(*ptr);
3801 lnum = MAXLNUM;
3802 do
3803 {
3804 switch (*cmd)
3805 {
3806 case '.': /* '.' - Cursor position */
3807 ++cmd;
3808 lnum = curwin->w_cursor.lnum;
3809 break;
3810
3811 case '$': /* '$' - last line */
3812 ++cmd;
3813 lnum = curbuf->b_ml.ml_line_count;
3814 break;
3815
3816 case '\'': /* ''' - mark */
3817 if (*++cmd == NUL)
3818 {
3819 cmd = NULL;
3820 goto error;
3821 }
3822 if (skip)
3823 ++cmd;
3824 else
3825 {
3826 /* Only accept a mark in another file when it is
3827 * used by itself: ":'M". */
3828 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3829 ++cmd;
3830 if (fp == (pos_T *)-1)
3831 /* Jumped to another file. */
3832 lnum = curwin->w_cursor.lnum;
3833 else
3834 {
3835 if (check_mark(fp) == FAIL)
3836 {
3837 cmd = NULL;
3838 goto error;
3839 }
3840 lnum = fp->lnum;
3841 }
3842 }
3843 break;
3844
3845 case '/':
3846 case '?': /* '/' or '?' - search */
3847 c = *cmd++;
3848 if (skip) /* skip "/pat/" */
3849 {
3850 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3851 if (*cmd == c)
3852 ++cmd;
3853 }
3854 else
3855 {
3856 pos = curwin->w_cursor; /* save curwin->w_cursor */
3857 /*
3858 * When '/' or '?' follows another address, start
3859 * from there.
3860 */
3861 if (lnum != MAXLNUM)
3862 curwin->w_cursor.lnum = lnum;
3863 /*
3864 * Start a forward search at the end of the line.
3865 * Start a backward search at the start of the line.
3866 * This makes sure we never match in the current
3867 * line, and can match anywhere in the
3868 * next/previous line.
3869 */
3870 if (c == '/')
3871 curwin->w_cursor.col = MAXCOL;
3872 else
3873 curwin->w_cursor.col = 0;
3874 searchcmdlen = 0;
3875 if (!do_search(NULL, c, cmd, 1L,
3876 SEARCH_HIS + SEARCH_MSG + SEARCH_START))
3877 {
3878 curwin->w_cursor = pos;
3879 cmd = NULL;
3880 goto error;
3881 }
3882 lnum = curwin->w_cursor.lnum;
3883 curwin->w_cursor = pos;
3884 /* adjust command string pointer */
3885 cmd += searchcmdlen;
3886 }
3887 break;
3888
3889 case '\\': /* "\?", "\/" or "\&", repeat search */
3890 ++cmd;
3891 if (*cmd == '&')
3892 i = RE_SUBST;
3893 else if (*cmd == '?' || *cmd == '/')
3894 i = RE_SEARCH;
3895 else
3896 {
3897 EMSG(_(e_backslash));
3898 cmd = NULL;
3899 goto error;
3900 }
3901
3902 if (!skip)
3903 {
3904 /*
3905 * When search follows another address, start from
3906 * there.
3907 */
3908 if (lnum != MAXLNUM)
3909 pos.lnum = lnum;
3910 else
3911 pos.lnum = curwin->w_cursor.lnum;
3912
3913 /*
3914 * Start the search just like for the above
3915 * do_search().
3916 */
3917 if (*cmd != '?')
3918 pos.col = MAXCOL;
3919 else
3920 pos.col = 0;
3921 if (searchit(curwin, curbuf, &pos,
3922 *cmd == '?' ? BACKWARD : FORWARD,
3923 (char_u *)"", 1L,
3924 SEARCH_MSG + SEARCH_START,
3925 i, (linenr_T)0) != FAIL)
3926 lnum = pos.lnum;
3927 else
3928 {
3929 cmd = NULL;
3930 goto error;
3931 }
3932 }
3933 ++cmd;
3934 break;
3935
3936 default:
3937 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
3938 lnum = getdigits(&cmd);
3939 }
3940
3941 for (;;)
3942 {
3943 cmd = skipwhite(cmd);
3944 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
3945 break;
3946
3947 if (lnum == MAXLNUM)
3948 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
3949 if (VIM_ISDIGIT(*cmd))
3950 i = '+'; /* "number" is same as "+number" */
3951 else
3952 i = *cmd++;
3953 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
3954 n = 1;
3955 else
3956 n = getdigits(&cmd);
3957 if (i == '-')
3958 lnum -= n;
3959 else
3960 lnum += n;
3961 }
3962 } while (*cmd == '/' || *cmd == '?');
3963
3964 error:
3965 *ptr = cmd;
3966 return lnum;
3967 }
3968
3969 /*
3970 * Get flags from an Ex command argument.
3971 */
3972 static void
3973 get_flags(eap)
3974 exarg_T *eap;
3975 {
3976 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
3977 {
3978 if (*eap->arg == 'l')
3979 eap->flags |= EXFLAG_LIST;
3980 else if (*eap->arg == 'p')
3981 eap->flags |= EXFLAG_PRINT;
3982 else
3983 eap->flags |= EXFLAG_NR;
3984 eap->arg = skipwhite(eap->arg + 1);
3985 }
3986 }
3987
3988 /*
3989 * Function called for command which is Not Implemented. NI!
3990 */
3991 void
3992 ex_ni(eap)
3993 exarg_T *eap;
3994 {
3995 if (!eap->skip)
3996 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
3997 }
3998
3999 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
4000 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
4001 /*
4002 * Function called for script command which is Not Implemented. NI!
4003 * Skips over ":perl <<EOF" constructs.
4004 */
4005 static void
4006 ex_script_ni(eap)
4007 exarg_T *eap;
4008 {
4009 if (!eap->skip)
4010 ex_ni(eap);
4011 else
4012 vim_free(script_get(eap, eap->arg));
4013 }
4014 #endif
4015
4016 /*
4017 * Check range in Ex command for validity.
4018 * Return NULL when valid, error message when invalid.
4019 */
4020 static char_u *
4021 invalid_range(eap)
4022 exarg_T *eap;
4023 {
4024 if ( eap->line1 < 0
4025 || eap->line2 < 0
4026 || eap->line1 > eap->line2
4027 || ((eap->argt & RANGE)
4028 && !(eap->argt & NOTADR)
4029 && eap->line2 > curbuf->b_ml.ml_line_count
4030 #ifdef FEAT_DIFF
4031 + (eap->cmdidx == CMD_diffget)
4032 #endif
4033 ))
4034 return (char_u *)_(e_invrange);
4035 return NULL;
4036 }
4037
4038 /*
4039 * Correct the range for zero line number, if required.
4040 */
4041 static void
4042 correct_range(eap)
4043 exarg_T *eap;
4044 {
4045 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4046 {
4047 if (eap->line1 == 0)
4048 eap->line1 = 1;
4049 if (eap->line2 == 0)
4050 eap->line2 = 1;
4051 }
4052 }
4053
4054 #ifdef FEAT_QUICKFIX
4055 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4056
4057 /*
4058 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4059 * pattern. Otherwise return eap->arg.
4060 */
4061 static char_u *
4062 skip_grep_pat(eap)
4063 exarg_T *eap;
4064 {
4065 char_u *p = eap->arg;
4066
4067 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4068 || eap->cmdidx == CMD_vimgrepadd
4069 || eap->cmdidx == CMD_lvimgrepadd
4070 || grep_internal(eap->cmdidx)))
4071 {
4072 p = skip_vimgrep_pat(p, NULL, NULL);
4073 if (p == NULL)
4074 p = eap->arg;
4075 }
4076 return p;
4077 }
4078
4079 /*
4080 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4081 * in the command line, so that things like % get expanded.
4082 */
4083 static char_u *
4084 replace_makeprg(eap, p, cmdlinep)
4085 exarg_T *eap;
4086 char_u *p;
4087 char_u **cmdlinep;
4088 {
4089 char_u *new_cmdline;
4090 char_u *program;
4091 char_u *pos;
4092 char_u *ptr;
4093 int len;
4094 int i;
4095
4096 /*
4097 * Don't do it when ":vimgrep" is used for ":grep".
4098 */
4099 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4100 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4101 || eap->cmdidx == CMD_grepadd
4102 || eap->cmdidx == CMD_lgrepadd)
4103 && !grep_internal(eap->cmdidx))
4104 {
4105 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4106 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4107 {
4108 if (*curbuf->b_p_gp == NUL)
4109 program = p_gp;
4110 else
4111 program = curbuf->b_p_gp;
4112 }
4113 else
4114 {
4115 if (*curbuf->b_p_mp == NUL)
4116 program = p_mp;
4117 else
4118 program = curbuf->b_p_mp;
4119 }
4120
4121 p = skipwhite(p);
4122
4123 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4124 {
4125 /* replace $* by given arguments */
4126 i = 1;
4127 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4128 ++i;
4129 len = (int)STRLEN(p);
4130 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4131 if (new_cmdline == NULL)
4132 return NULL; /* out of memory */
4133 ptr = new_cmdline;
4134 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4135 {
4136 i = (int)(pos - program);
4137 STRNCPY(ptr, program, i);
4138 STRCPY(ptr += i, p);
4139 ptr += len;
4140 program = pos + 2;
4141 }
4142 STRCPY(ptr, program);
4143 }
4144 else
4145 {
4146 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4147 if (new_cmdline == NULL)
4148 return NULL; /* out of memory */
4149 STRCPY(new_cmdline, program);
4150 STRCAT(new_cmdline, " ");
4151 STRCAT(new_cmdline, p);
4152 }
4153 msg_make(p);
4154
4155 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4156 vim_free(*cmdlinep);
4157 *cmdlinep = new_cmdline;
4158 p = new_cmdline;
4159 }
4160 return p;
4161 }
4162 #endif
4163
4164 /*
4165 * Expand file name in Ex command argument.
4166 * Return FAIL for failure, OK otherwise.
4167 */
4168 int
4169 expand_filename(eap, cmdlinep, errormsgp)
4170 exarg_T *eap;
4171 char_u **cmdlinep;
4172 char_u **errormsgp;
4173 {
4174 int has_wildcards; /* need to expand wildcards */
4175 char_u *repl;
4176 int srclen;
4177 char_u *p;
4178 int n;
4179
4180 #ifdef FEAT_QUICKFIX
4181 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4182 p = skip_grep_pat(eap);
4183 #else
4184 p = eap->arg;
4185 #endif
4186
4187 /*
4188 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4189 * the file name contains a wildcard it should not cause expanding.
4190 * (it will be expanded anyway if there is a wildcard before replacing).
4191 */
4192 has_wildcards = mch_has_wildcard(p);
4193 while (*p != NUL)
4194 {
4195 #ifdef FEAT_EVAL
4196 /* Skip over `=expr`, wildcards in it are not expanded. */
4197 if (p[0] == '`' && p[1] == '=')
4198 {
4199 p += 2;
4200 (void)skip_expr(&p);
4201 if (*p == '`')
4202 ++p;
4203 continue;
4204 }
4205 #endif
4206 /*
4207 * Quick check if this cannot be the start of a special string.
4208 * Also removes backslash before '%', '#' and '<'.
4209 */
4210 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4211 {
4212 ++p;
4213 continue;
4214 }
4215
4216 /*
4217 * Try to find a match at this position.
4218 */
4219 repl = eval_vars(p, &srclen, &(eap->do_ecmd_lnum), errormsgp, eap->arg);
4220 if (*errormsgp != NULL) /* error detected */
4221 return FAIL;
4222 if (repl == NULL) /* no match found */
4223 {
4224 p += srclen;
4225 continue;
4226 }
4227
4228 /* Wildcards won't be expanded below, the replacement is taken
4229 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4230 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4231 {
4232 char_u *l = repl;
4233
4234 repl = expand_env_save(repl);
4235 vim_free(l);
4236 }
4237
4238 /* Need to escape white space et al. with a backslash. Don't do this
4239 * for shell commands (may have to use quotes instead). Don't do this
4240 * for non-unix systems when there is a single argument (spaces don't
4241 * separate arguments then). */
4242 if (!eap->usefilter
4243 && eap->cmdidx != CMD_bang
4244 && eap->cmdidx != CMD_make
4245 && eap->cmdidx != CMD_lmake
4246 && eap->cmdidx != CMD_grep
4247 && eap->cmdidx != CMD_lgrep
4248 && eap->cmdidx != CMD_grepadd
4249 && eap->cmdidx != CMD_lgrepadd
4250 #ifndef UNIX
4251 && !(eap->argt & NOSPC)
4252 #endif
4253 )
4254 {
4255 char_u *l;
4256 #ifdef BACKSLASH_IN_FILENAME
4257 /* Don't escape a backslash here, because rem_backslash() doesn't
4258 * remove it later. */
4259 static char_u *nobslash = (char_u *)" \t\"|";
4260 # define ESCAPE_CHARS nobslash
4261 #else
4262 # define ESCAPE_CHARS escape_chars
4263 #endif
4264
4265 for (l = repl; *l; ++l)
4266 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4267 {
4268 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4269 if (l != NULL)
4270 {
4271 vim_free(repl);
4272 repl = l;
4273 }
4274 break;
4275 }
4276 }
4277
4278 /* For a shell command a '!' must be escaped. */
4279 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4280 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4281 {
4282 char_u *l;
4283
4284 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4285 if (l != NULL)
4286 {
4287 vim_free(repl);
4288 repl = l;
4289 /* For a sh-like shell escape "!" another time. */
4290 if (strstr((char *)p_sh, "sh") != NULL)
4291 {
4292 l = vim_strsave_escaped(repl, (char_u *)"!");
4293 if (l != NULL)
4294 {
4295 vim_free(repl);
4296 repl = l;
4297 }
4298 }
4299 }
4300 }
4301
4302 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4303 vim_free(repl);
4304 if (p == NULL)
4305 return FAIL;
4306 }
4307
4308 /*
4309 * One file argument: Expand wildcards.
4310 * Don't do this with ":r !command" or ":w !command".
4311 */
4312 if ((eap->argt & NOSPC) && !eap->usefilter)
4313 {
4314 /*
4315 * May do this twice:
4316 * 1. Replace environment variables.
4317 * 2. Replace any other wildcards, remove backslashes.
4318 */
4319 for (n = 1; n <= 2; ++n)
4320 {
4321 if (n == 2)
4322 {
4323 #ifdef UNIX
4324 /*
4325 * Only for Unix we check for more than one file name.
4326 * For other systems spaces are considered to be part
4327 * of the file name.
4328 * Only check here if there is no wildcard, otherwise
4329 * ExpandOne() will check for errors. This allows
4330 * ":e `ls ve*.c`" on Unix.
4331 */
4332 if (!has_wildcards)
4333 for (p = eap->arg; *p; ++p)
4334 {
4335 /* skip escaped characters */
4336 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4337 ++p;
4338 else if (vim_iswhite(*p))
4339 {
4340 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4341 return FAIL;
4342 }
4343 }
4344 #endif
4345
4346 /*
4347 * Halve the number of backslashes (this is Vi compatible).
4348 * For Unix and OS/2, when wildcards are expanded, this is
4349 * done by ExpandOne() below.
4350 */
4351 #if defined(UNIX) || defined(OS2)
4352 if (!has_wildcards)
4353 #endif
4354 backslash_halve(eap->arg);
4355 }
4356
4357 if (has_wildcards)
4358 {
4359 if (n == 1)
4360 {
4361 /*
4362 * First loop: May expand environment variables. This
4363 * can be done much faster with expand_env() than with
4364 * something else (e.g., calling a shell).
4365 * After expanding environment variables, check again
4366 * if there are still wildcards present.
4367 */
4368 if (vim_strchr(eap->arg, '$') != NULL
4369 || vim_strchr(eap->arg, '~') != NULL)
4370 {
4371 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4372 TRUE, NULL);
4373 has_wildcards = mch_has_wildcard(NameBuff);
4374 p = NameBuff;
4375 }
4376 else
4377 p = NULL;
4378 }
4379 else /* n == 2 */
4380 {
4381 expand_T xpc;
4382
4383 ExpandInit(&xpc);
4384 xpc.xp_context = EXPAND_FILES;
4385 p = ExpandOne(&xpc, eap->arg, NULL,
4386 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4387 WILD_EXPAND_FREE);
4388 if (p == NULL)
4389 return FAIL;
4390 }
4391 if (p != NULL)
4392 {
4393 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4394 p, cmdlinep);
4395 if (n == 2) /* p came from ExpandOne() */
4396 vim_free(p);
4397 }
4398 }
4399 }
4400 }
4401 return OK;
4402 }
4403
4404 /*
4405 * Replace part of the command line, keeping eap->cmd, eap->arg and
4406 * eap->nextcmd correct.
4407 * "src" points to the part that is to be replaced, of length "srclen".
4408 * "repl" is the replacement string.
4409 * Returns a pointer to the character after the replaced string.
4410 * Returns NULL for failure.
4411 */
4412 static char_u *
4413 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4414 exarg_T *eap;
4415 char_u *src;
4416 int srclen;
4417 char_u *repl;
4418 char_u **cmdlinep;
4419 {
4420 int len;
4421 int i;
4422 char_u *new_cmdline;
4423
4424 /*
4425 * The new command line is build in new_cmdline[].
4426 * First allocate it.
4427 * Careful: a "+cmd" argument may have been NUL terminated.
4428 */
4429 len = (int)STRLEN(repl);
4430 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4431 if (eap->nextcmd != NULL)
4432 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4433 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4434 return NULL; /* out of memory! */
4435
4436 /*
4437 * Copy the stuff before the expanded part.
4438 * Copy the expanded stuff.
4439 * Copy what came after the expanded part.
4440 * Copy the next commands, if there are any.
4441 */
4442 i = (int)(src - *cmdlinep); /* length of part before match */
4443 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4444
4445 mch_memmove(new_cmdline + i, repl, (size_t)len);
4446 i += len; /* remember the end of the string */
4447 STRCPY(new_cmdline + i, src + srclen);
4448 src = new_cmdline + i; /* remember where to continue */
4449
4450 if (eap->nextcmd != NULL) /* append next command */
4451 {
4452 i = (int)STRLEN(new_cmdline) + 1;
4453 STRCPY(new_cmdline + i, eap->nextcmd);
4454 eap->nextcmd = new_cmdline + i;
4455 }
4456 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4457 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4458 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4459 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4460 vim_free(*cmdlinep);
4461 *cmdlinep = new_cmdline;
4462
4463 return src;
4464 }
4465
4466 /*
4467 * Check for '|' to separate commands and '"' to start comments.
4468 */
4469 void
4470 separate_nextcmd(eap)
4471 exarg_T *eap;
4472 {
4473 char_u *p;
4474
4475 #ifdef FEAT_QUICKFIX
4476 p = skip_grep_pat(eap);
4477 #else
4478 p = eap->arg;
4479 #endif
4480
4481 for ( ; *p; mb_ptr_adv(p))
4482 {
4483 if (*p == Ctrl_V)
4484 {
4485 if (eap->argt & (USECTRLV | XFILE))
4486 ++p; /* skip CTRL-V and next char */
4487 else
4488 STRCPY(p, p + 1); /* remove CTRL-V and skip next char */
4489 if (*p == NUL) /* stop at NUL after CTRL-V */
4490 break;
4491 }
4492
4493 #ifdef FEAT_EVAL
4494 /* Skip over `=expr` when wildcards are expanded. */
4495 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4496 {
4497 p += 2;
4498 (void)skip_expr(&p);
4499 }
4500 #endif
4501
4502 /* Check for '"': start of comment or '|': next command */
4503 /* :@" and :*" do not start a comment!
4504 * :redir @" doesn't either. */
4505 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4506 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4507 || p != eap->arg)
4508 && (eap->cmdidx != CMD_redir
4509 || p != eap->arg + 1 || p[-1] != '@'))
4510 || *p == '|' || *p == '\n')
4511 {
4512 /*
4513 * We remove the '\' before the '|', unless USECTRLV is used
4514 * AND 'b' is present in 'cpoptions'.
4515 */
4516 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4517 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4518 {
4519 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4520 --p;
4521 }
4522 else
4523 {
4524 eap->nextcmd = check_nextcmd(p);
4525 *p = NUL;
4526 break;
4527 }
4528 }
4529 }
4530
4531 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4532 del_trailing_spaces(eap->arg);
4533 }
4534
4535 /*
4536 * get + command from ex argument
4537 */
4538 static char_u *
4539 getargcmd(argp)
4540 char_u **argp;
4541 {
4542 char_u *arg = *argp;
4543 char_u *command = NULL;
4544
4545 if (*arg == '+') /* +[command] */
4546 {
4547 ++arg;
4548 if (vim_isspace(*arg))
4549 command = dollar_command;
4550 else
4551 {
4552 command = arg;
4553 arg = skip_cmd_arg(command, TRUE);
4554 if (*arg != NUL)
4555 *arg++ = NUL; /* terminate command with NUL */
4556 }
4557
4558 arg = skipwhite(arg); /* skip over spaces */
4559 *argp = arg;
4560 }
4561 return command;
4562 }
4563
4564 /*
4565 * Find end of "+command" argument. Skip over "\ " and "\\".
4566 */
4567 static char_u *
4568 skip_cmd_arg(p, rembs)
4569 char_u *p;
4570 int rembs; /* TRUE to halve the number of backslashes */
4571 {
4572 while (*p && !vim_isspace(*p))
4573 {
4574 if (*p == '\\' && p[1] != NUL)
4575 {
4576 if (rembs)
4577 mch_memmove(p, p + 1, STRLEN(p));
4578 else
4579 ++p;
4580 }
4581 mb_ptr_adv(p);
4582 }
4583 return p;
4584 }
4585
4586 /*
4587 * Get "++opt=arg" argument.
4588 * Return FAIL or OK.
4589 */
4590 static int
4591 getargopt(eap)
4592 exarg_T *eap;
4593 {
4594 char_u *arg = eap->arg + 2;
4595 int *pp = NULL;
4596 #ifdef FEAT_MBYTE
4597 char_u *p;
4598 #endif
4599
4600 /* ":edit ++[no]bin[ary] file" */
4601 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4602 {
4603 if (*arg == 'n')
4604 {
4605 arg += 2;
4606 eap->force_bin = FORCE_NOBIN;
4607 }
4608 else
4609 eap->force_bin = FORCE_BIN;
4610 if (!checkforcmd(&arg, "binary", 3))
4611 return FAIL;
4612 eap->arg = skipwhite(arg);
4613 return OK;
4614 }
4615
4616 /* ":read ++edit file" */
4617 if (STRNCMP(arg, "edit", 4) == 0)
4618 {
4619 eap->read_edit = TRUE;
4620 eap->arg = skipwhite(arg + 4);
4621 return OK;
4622 }
4623
4624 if (STRNCMP(arg, "ff", 2) == 0)
4625 {
4626 arg += 2;
4627 pp = &eap->force_ff;
4628 }
4629 else if (STRNCMP(arg, "fileformat", 10) == 0)
4630 {
4631 arg += 10;
4632 pp = &eap->force_ff;
4633 }
4634 #ifdef FEAT_MBYTE
4635 else if (STRNCMP(arg, "enc", 3) == 0)
4636 {
4637 arg += 3;
4638 pp = &eap->force_enc;
4639 }
4640 else if (STRNCMP(arg, "encoding", 8) == 0)
4641 {
4642 arg += 8;
4643 pp = &eap->force_enc;
4644 }
4645 else if (STRNCMP(arg, "bad", 3) == 0)
4646 {
4647 arg += 3;
4648 pp = &eap->bad_char;
4649 }
4650 #endif
4651
4652 if (pp == NULL || *arg != '=')
4653 return FAIL;
4654
4655 ++arg;
4656 *pp = (int)(arg - eap->cmd);
4657 arg = skip_cmd_arg(arg, FALSE);
4658 eap->arg = skipwhite(arg);
4659 *arg = NUL;
4660
4661 #ifdef FEAT_MBYTE
4662 if (pp == &eap->force_ff)
4663 {
4664 #endif
4665 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4666 return FAIL;
4667 #ifdef FEAT_MBYTE
4668 }
4669 else if (pp == &eap->force_enc)
4670 {
4671 /* Make 'fileencoding' lower case. */
4672 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4673 *p = TOLOWER_ASC(*p);
4674 }
4675 else
4676 {
4677 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4678 * "drop". */
4679 p = eap->cmd + eap->bad_char;
4680 if (STRICMP(p, "keep") == 0)
4681 eap->bad_char = BAD_KEEP;
4682 else if (STRICMP(p, "drop") == 0)
4683 eap->bad_char = BAD_DROP;
4684 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4685 eap->bad_char = *p;
4686 else
4687 return FAIL;
4688 }
4689 #endif
4690
4691 return OK;
4692 }
4693
4694 /*
4695 * ":abbreviate" and friends.
4696 */
4697 static void
4698 ex_abbreviate(eap)
4699 exarg_T *eap;
4700 {
4701 do_exmap(eap, TRUE); /* almost the same as mapping */
4702 }
4703
4704 /*
4705 * ":map" and friends.
4706 */
4707 static void
4708 ex_map(eap)
4709 exarg_T *eap;
4710 {
4711 /*
4712 * If we are sourcing .exrc or .vimrc in current directory we
4713 * print the mappings for security reasons.
4714 */
4715 if (secure)
4716 {
4717 secure = 2;
4718 msg_outtrans(eap->cmd);
4719 msg_putchar('\n');
4720 }
4721 do_exmap(eap, FALSE);
4722 }
4723
4724 /*
4725 * ":unmap" and friends.
4726 */
4727 static void
4728 ex_unmap(eap)
4729 exarg_T *eap;
4730 {
4731 do_exmap(eap, FALSE);
4732 }
4733
4734 /*
4735 * ":mapclear" and friends.
4736 */
4737 static void
4738 ex_mapclear(eap)
4739 exarg_T *eap;
4740 {
4741 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4742 }
4743
4744 /*
4745 * ":abclear" and friends.
4746 */
4747 static void
4748 ex_abclear(eap)
4749 exarg_T *eap;
4750 {
4751 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4752 }
4753
4754 #ifdef FEAT_AUTOCMD
4755 static void
4756 ex_autocmd(eap)
4757 exarg_T *eap;
4758 {
4759 /*
4760 * Disallow auto commands from .exrc and .vimrc in current
4761 * directory for security reasons.
4762 */
4763 if (secure)
4764 {
4765 secure = 2;
4766 eap->errmsg = e_curdir;
4767 }
4768 else if (eap->cmdidx == CMD_autocmd)
4769 do_autocmd(eap->arg, eap->forceit);
4770 else
4771 do_augroup(eap->arg, eap->forceit);
4772 }
4773
4774 /*
4775 * ":doautocmd": Apply the automatic commands to the current buffer.
4776 */
4777 static void
4778 ex_doautocmd(eap)
4779 exarg_T *eap;
4780 {
4781 (void)do_doautocmd(eap->arg, TRUE);
4782 do_modelines(0);
4783 }
4784 #endif
4785
4786 #ifdef FEAT_LISTCMDS
4787 /*
4788 * :[N]bunload[!] [N] [bufname] unload buffer
4789 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4790 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4791 */
4792 static void
4793 ex_bunload(eap)
4794 exarg_T *eap;
4795 {
4796 eap->errmsg = do_bufdel(
4797 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4798 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4799 : DOBUF_UNLOAD, eap->arg,
4800 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4801 }
4802
4803 /*
4804 * :[N]buffer [N] to buffer N
4805 * :[N]sbuffer [N] to buffer N
4806 */
4807 static void
4808 ex_buffer(eap)
4809 exarg_T *eap;
4810 {
4811 if (*eap->arg)
4812 eap->errmsg = e_trailing;
4813 else
4814 {
4815 if (eap->addr_count == 0) /* default is current buffer */
4816 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4817 else
4818 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4819 }
4820 }
4821
4822 /*
4823 * :[N]bmodified [N] to next mod. buffer
4824 * :[N]sbmodified [N] to next mod. buffer
4825 */
4826 static void
4827 ex_bmodified(eap)
4828 exarg_T *eap;
4829 {
4830 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4831 }
4832
4833 /*
4834 * :[N]bnext [N] to next buffer
4835 * :[N]sbnext [N] split and to next buffer
4836 */
4837 static void
4838 ex_bnext(eap)
4839 exarg_T *eap;
4840 {
4841 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4842 }
4843
4844 /*
4845 * :[N]bNext [N] to previous buffer
4846 * :[N]bprevious [N] to previous buffer
4847 * :[N]sbNext [N] split and to previous buffer
4848 * :[N]sbprevious [N] split and to previous buffer
4849 */
4850 static void
4851 ex_bprevious(eap)
4852 exarg_T *eap;
4853 {
4854 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4855 }
4856
4857 /*
4858 * :brewind to first buffer
4859 * :bfirst to first buffer
4860 * :sbrewind split and to first buffer
4861 * :sbfirst split and to first buffer
4862 */
4863 static void
4864 ex_brewind(eap)
4865 exarg_T *eap;
4866 {
4867 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4868 }
4869
4870 /*
4871 * :blast to last buffer
4872 * :sblast split and to last buffer
4873 */
4874 static void
4875 ex_blast(eap)
4876 exarg_T *eap;
4877 {
4878 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4879 }
4880 #endif
4881
4882 int
4883 ends_excmd(c)
4884 int c;
4885 {
4886 return (c == NUL || c == '|' || c == '"' || c == '\n');
4887 }
4888
4889 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4890 || defined(PROTO)
4891 /*
4892 * Return the next command, after the first '|' or '\n'.
4893 * Return NULL if not found.
4894 */
4895 char_u *
4896 find_nextcmd(p)
4897 char_u *p;
4898 {
4899 while (*p != '|' && *p != '\n')
4900 {
4901 if (*p == NUL)
4902 return NULL;
4903 ++p;
4904 }
4905 return (p + 1);
4906 }
4907 #endif
4908
4909 /*
4910 * Check if *p is a separator between Ex commands.
4911 * Return NULL if it isn't, (p + 1) if it is.
4912 */
4913 char_u *
4914 check_nextcmd(p)
4915 char_u *p;
4916 {
4917 p = skipwhite(p);
4918 if (*p == '|' || *p == '\n')
4919 return (p + 1);
4920 else
4921 return NULL;
4922 }
4923
4924 /*
4925 * - if there are more files to edit
4926 * - and this is the last window
4927 * - and forceit not used
4928 * - and not repeated twice on a row
4929 * return FAIL and give error message if 'message' TRUE
4930 * return OK otherwise
4931 */
4932 static int
4933 check_more(message, forceit)
4934 int message; /* when FALSE check only, no messages */
4935 int forceit;
4936 {
4937 int n = ARGCOUNT - curwin->w_arg_idx - 1;
4938
4939 if (!forceit && only_one_window()
4940 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
4941 {
4942 if (message)
4943 {
4944 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
4945 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
4946 {
4947 char_u buff[IOSIZE];
4948
4949 if (n == 1)
4950 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
4951 else
4952 vim_snprintf((char *)buff, IOSIZE,
4953 _("%d more files to edit. Quit anyway?"), n);
4954 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
4955 return OK;
4956 return FAIL;
4957 }
4958 #endif
4959 if (n == 1)
4960 EMSG(_("E173: 1 more file to edit"));
4961 else
4962 EMSGN(_("E173: %ld more files to edit"), n);
4963 quitmore = 2; /* next try to quit is allowed */
4964 }
4965 return FAIL;
4966 }
4967 return OK;
4968 }
4969
4970 #ifdef FEAT_CMDL_COMPL
4971 /*
4972 * Function given to ExpandGeneric() to obtain the list of command names.
4973 */
4974 /*ARGSUSED*/
4975 char_u *
4976 get_command_name(xp, idx)
4977 expand_T *xp;
4978 int idx;
4979 {
4980 if (idx >= (int)CMD_SIZE)
4981 # ifdef FEAT_USR_CMDS
4982 return get_user_command_name(idx);
4983 # else
4984 return NULL;
4985 # endif
4986 return cmdnames[idx].cmd_name;
4987 }
4988 #endif
4989
4990 #if defined(FEAT_USR_CMDS) || defined(PROTO)
4991 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));
4992 static void uc_list __ARGS((char_u *name, size_t name_len));
4993 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
4994 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
4995 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));
4996
4997 static int
4998 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
4999 char_u *name;
5000 size_t name_len;
5001 char_u *rep;
5002 long argt;
5003 long def;
5004 int flags;
5005 int compl;
5006 char_u *compl_arg;
5007 int force;
5008 {
5009 ucmd_T *cmd = NULL;
5010 char_u *p;
5011 int i;
5012 int cmp = 1;
5013 char_u *rep_buf = NULL;
5014 garray_T *gap;
5015
5016 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5017 if (rep_buf == NULL)
5018 {
5019 /* Can't replace termcodes - try using the string as is */
5020 rep_buf = vim_strsave(rep);
5021
5022 /* Give up if out of memory */
5023 if (rep_buf == NULL)
5024 return FAIL;
5025 }
5026
5027 /* get address of growarray: global or in curbuf */
5028 if (flags & UC_BUFFER)
5029 {
5030 gap = &curbuf->b_ucmds;
5031 if (gap->ga_itemsize == 0)
5032 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5033 }
5034 else
5035 gap = &ucmds;
5036
5037 /* Search for the command in the already defined commands. */
5038 for (i = 0; i < gap->ga_len; ++i)
5039 {
5040 size_t len;
5041
5042 cmd = USER_CMD_GA(gap, i);
5043 len = STRLEN(cmd->uc_name);
5044 cmp = STRNCMP(name, cmd->uc_name, name_len);
5045 if (cmp == 0)
5046 {
5047 if (name_len < len)
5048 cmp = -1;
5049 else if (name_len > len)
5050 cmp = 1;
5051 }
5052
5053 if (cmp == 0)
5054 {
5055 if (!force)
5056 {
5057 EMSG(_("E174: Command already exists: add ! to replace it"));
5058 goto fail;
5059 }
5060
5061 vim_free(cmd->uc_rep);
5062 cmd->uc_rep = 0;
5063 break;
5064 }
5065
5066 /* Stop as soon as we pass the name to add */
5067 if (cmp < 0)
5068 break;
5069 }
5070
5071 /* Extend the array unless we're replacing an existing command */
5072 if (cmp != 0)
5073 {
5074 if (ga_grow(gap, 1) != OK)
5075 goto fail;
5076 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5077 goto fail;
5078
5079 cmd = USER_CMD_GA(gap, i);
5080 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5081
5082 ++gap->ga_len;
5083
5084 cmd->uc_name = p;
5085 }
5086
5087 cmd->uc_rep = rep_buf;
5088 cmd->uc_argt = argt;
5089 cmd->uc_def = def;
5090 cmd->uc_compl = compl;
5091 #ifdef FEAT_EVAL
5092 cmd->uc_scriptID = current_SID;
5093 # ifdef FEAT_CMDL_COMPL
5094 cmd->uc_compl_arg = compl_arg;
5095 # endif
5096 #endif
5097
5098 return OK;
5099
5100 fail:
5101 vim_free(rep_buf);
5102 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5103 vim_free(compl_arg);
5104 #endif
5105 return FAIL;
5106 }
5107
5108 /*
5109 * List of names for completion for ":command" with the EXPAND_ flag.
5110 * Must be alphabetical for completion.
5111 */
5112 static struct
5113 {
5114 int expand;
5115 char *name;
5116 } command_complete[] =
5117 {
5118 {EXPAND_AUGROUP, "augroup"},
5119 {EXPAND_BUFFERS, "buffer"},
5120 {EXPAND_COMMANDS, "command"},
5121 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5122 {EXPAND_USER_DEFINED, "custom"},
5123 {EXPAND_USER_LIST, "customlist"},
5124 #endif
5125 {EXPAND_DIRECTORIES, "dir"},
5126 {EXPAND_ENV_VARS, "environment"},
5127 {EXPAND_EVENTS, "event"},
5128 {EXPAND_EXPRESSION, "expression"},
5129 {EXPAND_FILES, "file"},
5130 {EXPAND_FUNCTIONS, "function"},
5131 {EXPAND_HELP, "help"},
5132 {EXPAND_HIGHLIGHT, "highlight"},
5133 {EXPAND_MAPPINGS, "mapping"},
5134 {EXPAND_MENUS, "menu"},
5135 {EXPAND_SETTINGS, "option"},
5136 {EXPAND_SHELLCMD, "shellcmd"},
5137 {EXPAND_TAGS, "tag"},
5138 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5139 {EXPAND_USER_VARS, "var"},
5140 {0, NULL}
5141 };
5142
5143 static void
5144 uc_list(name, name_len)
5145 char_u *name;
5146 size_t name_len;
5147 {
5148 int i, j;
5149 int found = FALSE;
5150 ucmd_T *cmd;
5151 int len;
5152 long a;
5153 garray_T *gap;
5154
5155 gap = &curbuf->b_ucmds;
5156 for (;;)
5157 {
5158 for (i = 0; i < gap->ga_len; ++i)
5159 {
5160 cmd = USER_CMD_GA(gap, i);
5161 a = (long)cmd->uc_argt;
5162
5163 /* Skip commands which don't match the requested prefix */
5164 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5165 continue;
5166
5167 /* Put out the title first time */
5168 if (!found)
5169 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5170 found = TRUE;
5171 msg_putchar('\n');
5172 if (got_int)
5173 break;
5174
5175 /* Special cases */
5176 msg_putchar(a & BANG ? '!' : ' ');
5177 msg_putchar(a & REGSTR ? '"' : ' ');
5178 msg_putchar(gap != &ucmds ? 'b' : ' ');
5179 msg_putchar(' ');
5180
5181 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5182 len = (int)STRLEN(cmd->uc_name) + 4;
5183
5184 do {
5185 msg_putchar(' ');
5186 ++len;
5187 } while (len < 16);
5188
5189 len = 0;
5190
5191 /* Arguments */
5192 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5193 {
5194 case 0: IObuff[len++] = '0'; break;
5195 case (EXTRA): IObuff[len++] = '*'; break;
5196 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5197 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5198 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5199 }
5200
5201 do {
5202 IObuff[len++] = ' ';
5203 } while (len < 5);
5204
5205 /* Range */
5206 if (a & (RANGE|COUNT))
5207 {
5208 if (a & COUNT)
5209 {
5210 /* -count=N */
5211 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5212 len += (int)STRLEN(IObuff + len);
5213 }
5214 else if (a & DFLALL)
5215 IObuff[len++] = '%';
5216 else if (cmd->uc_def >= 0)
5217 {
5218 /* -range=N */
5219 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5220 len += (int)STRLEN(IObuff + len);
5221 }
5222 else
5223 IObuff[len++] = '.';
5224 }
5225
5226 do {
5227 IObuff[len++] = ' ';
5228 } while (len < 11);
5229
5230 /* Completion */
5231 for (j = 0; command_complete[j].expand != 0; ++j)
5232 if (command_complete[j].expand == cmd->uc_compl)
5233 {
5234 STRCPY(IObuff + len, command_complete[j].name);
5235 len += (int)STRLEN(IObuff + len);
5236 break;
5237 }
5238
5239 do {
5240 IObuff[len++] = ' ';
5241 } while (len < 21);
5242
5243 IObuff[len] = '\0';
5244 msg_outtrans(IObuff);
5245
5246 msg_outtrans_special(cmd->uc_rep, FALSE);
5247 #ifdef FEAT_EVAL
5248 if (p_verbose > 0)
5249 last_set_msg(cmd->uc_scriptID);
5250 #endif
5251 out_flush();
5252 ui_breakcheck();
5253 if (got_int)
5254 break;
5255 }
5256 if (gap == &ucmds || i < gap->ga_len)
5257 break;
5258 gap = &ucmds;
5259 }
5260
5261 if (!found)
5262 MSG(_("No user-defined commands found"));
5263 }
5264
5265 static char_u *
5266 uc_fun_cmd()
5267 {
5268 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5269 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5270 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5271 0xb9, 0x7f, 0};
5272 int i;
5273
5274 for (i = 0; fcmd[i]; ++i)
5275 IObuff[i] = fcmd[i] - 0x40;
5276 IObuff[i] = 0;
5277 return IObuff;
5278 }
5279
5280 static int
5281 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5282 char_u *attr;
5283 size_t len;
5284 long *argt;
5285 long *def;
5286 int *flags;
5287 int *compl;
5288 char_u **compl_arg;
5289 {
5290 char_u *p;
5291
5292 if (len == 0)
5293 {
5294 EMSG(_("E175: No attribute specified"));
5295 return FAIL;
5296 }
5297
5298 /* First, try the simple attributes (no arguments) */
5299 if (STRNICMP(attr, "bang", len) == 0)
5300 *argt |= BANG;
5301 else if (STRNICMP(attr, "buffer", len) == 0)
5302 *flags |= UC_BUFFER;
5303 else if (STRNICMP(attr, "register", len) == 0)
5304 *argt |= REGSTR;
5305 else if (STRNICMP(attr, "bar", len) == 0)
5306 *argt |= TRLBAR;
5307 else
5308 {
5309 int i;
5310 char_u *val = NULL;
5311 size_t vallen = 0;
5312 size_t attrlen = len;
5313
5314 /* Look for the attribute name - which is the part before any '=' */
5315 for (i = 0; i < (int)len; ++i)
5316 {
5317 if (attr[i] == '=')
5318 {
5319 val = &attr[i + 1];
5320 vallen = len - i - 1;
5321 attrlen = i;
5322 break;
5323 }
5324 }
5325
5326 if (STRNICMP(attr, "nargs", attrlen) == 0)
5327 {
5328 if (vallen == 1)
5329 {
5330 if (*val == '0')
5331 /* Do nothing - this is the default */;
5332 else if (*val == '1')
5333 *argt |= (EXTRA | NOSPC | NEEDARG);
5334 else if (*val == '*')
5335 *argt |= EXTRA;
5336 else if (*val == '?')
5337 *argt |= (EXTRA | NOSPC);
5338 else if (*val == '+')
5339 *argt |= (EXTRA | NEEDARG);
5340 else
5341 goto wrong_nargs;
5342 }
5343 else
5344 {
5345 wrong_nargs:
5346 EMSG(_("E176: Invalid number of arguments"));
5347 return FAIL;
5348 }
5349 }
5350 else if (STRNICMP(attr, "range", attrlen) == 0)
5351 {
5352 *argt |= RANGE;
5353 if (vallen == 1 && *val == '%')
5354 *argt |= DFLALL;
5355 else if (val != NULL)
5356 {
5357 p = val;
5358 if (*def >= 0)
5359 {
5360 two_count:
5361 EMSG(_("E177: Count cannot be specified twice"));
5362 return FAIL;
5363 }
5364
5365 *def = getdigits(&p);
5366 *argt |= (ZEROR | NOTADR);
5367
5368 if (p != val + vallen || vallen == 0)
5369 {
5370 invalid_count:
5371 EMSG(_("E178: Invalid default value for count"));
5372 return FAIL;
5373 }
5374 }
5375 }
5376 else if (STRNICMP(attr, "count", attrlen) == 0)
5377 {
5378 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5379
5380 if (val != NULL)
5381 {
5382 p = val;
5383 if (*def >= 0)
5384 goto two_count;
5385
5386 *def = getdigits(&p);
5387
5388 if (p != val + vallen)
5389 goto invalid_count;
5390 }
5391
5392 if (*def < 0)
5393 *def = 0;
5394 }
5395 else if (STRNICMP(attr, "complete", attrlen) == 0)
5396 {
5397 if (val == NULL)
5398 {
5399 EMSG(_("E179: argument required for -complete"));
5400 return FAIL;
5401 }
5402
5403 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5404 == FAIL)
5405 return FAIL;
5406 }
5407 else
5408 {
5409 char_u ch = attr[len];
5410 attr[len] = '\0';
5411 EMSG2(_("E181: Invalid attribute: %s"), attr);
5412 attr[len] = ch;
5413 return FAIL;
5414 }
5415 }
5416
5417 return OK;
5418 }
5419
5420 static void
5421 ex_command(eap)
5422 exarg_T *eap;
5423 {
5424 char_u *name;
5425 char_u *end;
5426 char_u *p;
5427 long argt = 0;
5428 long def = -1;
5429 int flags = 0;
5430 int compl = EXPAND_NOTHING;
5431 char_u *compl_arg = NULL;
5432 int has_attr = (eap->arg[0] == '-');
5433
5434 p = eap->arg;
5435
5436 /* Check for attributes */
5437 while (*p == '-')
5438 {
5439 ++p;
5440 end = skiptowhite(p);
5441 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5442 == FAIL)
5443 return;
5444 p = skipwhite(end);
5445 }
5446
5447 /* Get the name (if any) and skip to the following argument */
5448 name = p;
5449 if (ASCII_ISALPHA(*p))
5450 while (ASCII_ISALNUM(*p))
5451 ++p;
5452 if (!ends_excmd(*p) && !vim_iswhite(*p))
5453 {
5454 EMSG(_("E182: Invalid command name"));
5455 return;
5456 }
5457 end = p;
5458
5459 /* If there is nothing after the name, and no attributes were specified,
5460 * we are listing commands
5461 */
5462 p = skipwhite(end);
5463 if (!has_attr && ends_excmd(*p))
5464 {
5465 uc_list(name, end - name);
5466 }
5467 else if (!ASCII_ISUPPER(*name))
5468 {
5469 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5470 return;
5471 }
5472 else
5473 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5474 eap->forceit);
5475 }
5476
5477 /*
5478 * ":comclear"
5479 * Clear all user commands, global and for current buffer.
5480 */
5481 /*ARGSUSED*/
5482 void
5483 ex_comclear(eap)
5484 exarg_T *eap;
5485 {
5486 uc_clear(&ucmds);
5487 uc_clear(&curbuf->b_ucmds);
5488 }
5489
5490 /*
5491 * Clear all user commands for "gap".
5492 */
5493 void
5494 uc_clear(gap)
5495 garray_T *gap;
5496 {
5497 int i;
5498 ucmd_T *cmd;
5499
5500 for (i = 0; i < gap->ga_len; ++i)
5501 {
5502 cmd = USER_CMD_GA(gap, i);
5503 vim_free(cmd->uc_name);
5504 vim_free(cmd->uc_rep);
5505 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5506 vim_free(cmd->uc_compl_arg);
5507 # endif
5508 }
5509 ga_clear(gap);
5510 }
5511
5512 static void
5513 ex_delcommand(eap)
5514 exarg_T *eap;
5515 {
5516 int i = 0;
5517 ucmd_T *cmd = NULL;
5518 int cmp = -1;
5519 garray_T *gap;
5520
5521 gap = &curbuf->b_ucmds;
5522 for (;;)
5523 {
5524 for (i = 0; i < gap->ga_len; ++i)
5525 {
5526 cmd = USER_CMD_GA(gap, i);
5527 cmp = STRCMP(eap->arg, cmd->uc_name);
5528 if (cmp <= 0)
5529 break;
5530 }
5531 if (gap == &ucmds || cmp == 0)
5532 break;
5533 gap = &ucmds;
5534 }
5535
5536 if (cmp != 0)
5537 {
5538 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5539 return;
5540 }
5541
5542 vim_free(cmd->uc_name);
5543 vim_free(cmd->uc_rep);
5544 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5545 vim_free(cmd->uc_compl_arg);
5546 # endif
5547
5548 --gap->ga_len;
5549
5550 if (i < gap->ga_len)
5551 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5552 }
5553
5554 static char_u *
5555 uc_split_args(arg, lenp)
5556 char_u *arg;
5557 size_t *lenp;
5558 {
5559 char_u *buf;
5560 char_u *p;
5561 char_u *q;
5562 int len;
5563
5564 /* Precalculate length */
5565 p = arg;
5566 len = 2; /* Initial and final quotes */
5567
5568 while (*p)
5569 {
5570 if (p[0] == '\\' && vim_iswhite(p[1]))
5571 {
5572 len += 1;
5573 p += 2;
5574 }
5575 else if (*p == '\\' || *p == '"')
5576 {
5577 len += 2;
5578 p += 1;
5579 }
5580 else if (vim_iswhite(*p))
5581 {
5582 p = skipwhite(p);
5583 if (*p == NUL)
5584 break;
5585 len += 3; /* "," */
5586 }
5587 else
5588 {
5589 ++len;
5590 ++p;
5591 }
5592 }
5593
5594 buf = alloc(len + 1);
5595 if (buf == NULL)
5596 {
5597 *lenp = 0;
5598 return buf;
5599 }
5600
5601 p = arg;
5602 q = buf;
5603 *q++ = '"';
5604 while (*p)
5605 {
5606 if (p[0] == '\\' && vim_iswhite(p[1]))
5607 {
5608 *q++ = p[1];
5609 p += 2;
5610 }
5611 else if (*p == '\\' || *p == '"')
5612 {
5613 *q++ = '\\';
5614 *q++ = *p++;
5615 }
5616 else if (vim_iswhite(*p))
5617 {
5618 p = skipwhite(p);
5619 if (*p == NUL)
5620 break;
5621 *q++ = '"';
5622 *q++ = ',';
5623 *q++ = '"';
5624 }
5625 else
5626 {
5627 *q++ = *p++;
5628 }
5629 }
5630 *q++ = '"';
5631 *q = 0;
5632
5633 *lenp = len;
5634 return buf;
5635 }
5636
5637 /*
5638 * Check for a <> code in a user command.
5639 * "code" points to the '<'. "len" the length of the <> (inclusive).
5640 * "buf" is where the result is to be added.
5641 * "split_buf" points to a buffer used for splitting, caller should free it.
5642 * "split_len" is the length of what "split_buf" contains.
5643 * Returns the length of the replacement, which has been added to "buf".
5644 * Returns -1 if there was no match, and only the "<" has been copied.
5645 */
5646 static size_t
5647 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5648 char_u *code;
5649 size_t len;
5650 char_u *buf;
5651 ucmd_T *cmd; /* the user command we're expanding */
5652 exarg_T *eap; /* ex arguments */
5653 char_u **split_buf;
5654 size_t *split_len;
5655 {
5656 size_t result = 0;
5657 char_u *p = code + 1;
5658 size_t l = len - 2;
5659 int quote = 0;
5660 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5661 ct_LT, ct_NONE } type = ct_NONE;
5662
5663 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5664 {
5665 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5666 p += 2;
5667 l -= 2;
5668 }
5669
5670 ++l;
5671 if (l <= 1)
5672 type = ct_NONE;
5673 else if (STRNICMP(p, "args>", l) == 0)
5674 type = ct_ARGS;
5675 else if (STRNICMP(p, "bang>", l) == 0)
5676 type = ct_BANG;
5677 else if (STRNICMP(p, "count>", l) == 0)
5678 type = ct_COUNT;
5679 else if (STRNICMP(p, "line1>", l) == 0)
5680 type = ct_LINE1;
5681 else if (STRNICMP(p, "line2>", l) == 0)
5682 type = ct_LINE2;
5683 else if (STRNICMP(p, "lt>", l) == 0)
5684 type = ct_LT;
5685 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5686 type = ct_REGISTER;
5687
5688 switch (type)
5689 {
5690 case ct_ARGS:
5691 /* Simple case first */
5692 if (*eap->arg == NUL)
5693 {
5694 if (quote == 1)
5695 {
5696 result = 2;
5697 if (buf != NULL)
5698 STRCPY(buf, "''");
5699 }
5700 else
5701 result = 0;
5702 break;
5703 }
5704
5705 /* When specified there is a single argument don't split it.
5706 * Works for ":Cmd %" when % is "a b c". */
5707 if ((eap->argt & NOSPC) && quote == 2)
5708 quote = 1;
5709
5710 switch (quote)
5711 {
5712 case 0: /* No quoting, no splitting */
5713 result = STRLEN(eap->arg);
5714 if (buf != NULL)
5715 STRCPY(buf, eap->arg);
5716 break;
5717 case 1: /* Quote, but don't split */
5718 result = STRLEN(eap->arg) + 2;
5719 for (p = eap->arg; *p; ++p)
5720 {
5721 if (*p == '\\' || *p == '"')
5722 ++result;
5723 }
5724
5725 if (buf != NULL)
5726 {
5727 *buf++ = '"';
5728 for (p = eap->arg; *p; ++p)
5729 {
5730 if (*p == '\\' || *p == '"')
5731 *buf++ = '\\';
5732 *buf++ = *p;
5733 }
5734 *buf = '"';
5735 }
5736
5737 break;
5738 case 2: /* Quote and split */
5739 /* This is hard, so only do it once, and cache the result */
5740 if (*split_buf == NULL)
5741 *split_buf = uc_split_args(eap->arg, split_len);
5742
5743 result = *split_len;
5744 if (buf != NULL && result != 0)
5745 STRCPY(buf, *split_buf);
5746
5747 break;
5748 }
5749 break;
5750
5751 case ct_BANG:
5752 result = eap->forceit ? 1 : 0;
5753 if (quote)
5754 result += 2;
5755 if (buf != NULL)
5756 {
5757 if (quote)
5758 *buf++ = '"';
5759 if (eap->forceit)
5760 *buf++ = '!';
5761 if (quote)
5762 *buf = '"';
5763 }
5764 break;
5765
5766 case ct_LINE1:
5767 case ct_LINE2:
5768 case ct_COUNT:
5769 {
5770 char num_buf[20];
5771 long num = (type == ct_LINE1) ? eap->line1 :
5772 (type == ct_LINE2) ? eap->line2 :
5773 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5774 size_t num_len;
5775
5776 sprintf(num_buf, "%ld", num);
5777 num_len = STRLEN(num_buf);
5778 result = num_len;
5779
5780 if (quote)
5781 result += 2;
5782
5783 if (buf != NULL)
5784 {
5785 if (quote)
5786 *buf++ = '"';
5787 STRCPY(buf, num_buf);
5788 buf += num_len;
5789 if (quote)
5790 *buf = '"';
5791 }
5792
5793 break;
5794 }
5795
5796 case ct_REGISTER:
5797 result = eap->regname ? 1 : 0;
5798 if (quote)
5799 result += 2;
5800 if (buf != NULL)
5801 {
5802 if (quote)
5803 *buf++ = '\'';
5804 if (eap->regname)
5805 *buf++ = eap->regname;
5806 if (quote)
5807 *buf = '\'';
5808 }
5809 break;
5810
5811 case ct_LT:
5812 result = 1;
5813 if (buf != NULL)
5814 *buf = '<';
5815 break;
5816
5817 default:
5818 /* Not recognized: just copy the '<' and return -1. */
5819 result = (size_t)-1;
5820 if (buf != NULL)
5821 *buf = '<';
5822 break;
5823 }
5824
5825 return result;
5826 }
5827
5828 static void
5829 do_ucmd(eap)
5830 exarg_T *eap;
5831 {
5832 char_u *buf;
5833 char_u *p;
5834 char_u *q;
5835
5836 char_u *start;
5837 char_u *end;
5838 size_t len, totlen;
5839
5840 size_t split_len = 0;
5841 char_u *split_buf = NULL;
5842 ucmd_T *cmd;
5843 #ifdef FEAT_EVAL
5844 scid_T save_current_SID = current_SID;
5845 #endif
5846
5847 if (eap->cmdidx == CMD_USER)
5848 cmd = USER_CMD(eap->useridx);
5849 else
5850 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5851
5852 /*
5853 * Replace <> in the command by the arguments.
5854 */
5855 buf = NULL;
5856 for (;;)
5857 {
5858 p = cmd->uc_rep;
5859 q = buf;
5860 totlen = 0;
5861 while ((start = vim_strchr(p, '<')) != NULL
5862 && (end = vim_strchr(start + 1, '>')) != NULL)
5863 {
5864 /* Include the '>' */
5865 ++end;
5866
5867 /* Take everything up to the '<' */
5868 len = start - p;
5869 if (buf == NULL)
5870 totlen += len;
5871 else
5872 {
5873 mch_memmove(q, p, len);
5874 q += len;
5875 }
5876
5877 len = uc_check_code(start, end - start, q, cmd, eap,
5878 &split_buf, &split_len);
5879 if (len == (size_t)-1)
5880 {
5881 /* no match, continue after '<' */
5882 p = start + 1;
5883 len = 1;
5884 }
5885 else
5886 p = end;
5887 if (buf == NULL)
5888 totlen += len;
5889 else
5890 q += len;
5891 }
5892 if (buf != NULL) /* second time here, finished */
5893 {
5894 STRCPY(q, p);
5895 break;
5896 }
5897
5898 totlen += STRLEN(p); /* Add on the trailing characters */
5899 buf = alloc((unsigned)(totlen + 1));
5900 if (buf == NULL)
5901 {
5902 vim_free(split_buf);
5903 return;
5904 }
5905 }
5906
5907 #ifdef FEAT_EVAL
5908 current_SID = cmd->uc_scriptID;
5909 #endif
5910 (void)do_cmdline(buf, eap->getline, eap->cookie,
5911 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5912 #ifdef FEAT_EVAL
5913 current_SID = save_current_SID;
5914 #endif
5915 vim_free(buf);
5916 vim_free(split_buf);
5917 }
5918
5919 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
5920 static char_u *
5921 get_user_command_name(idx)
5922 int idx;
5923 {
5924 return get_user_commands(NULL, idx - (int)CMD_SIZE);
5925 }
5926
5927 /*
5928 * Function given to ExpandGeneric() to obtain the list of user command names.
5929 */
5930 /*ARGSUSED*/
5931 char_u *
5932 get_user_commands(xp, idx)
5933 expand_T *xp;
5934 int idx;
5935 {
5936 if (idx < curbuf->b_ucmds.ga_len)
5937 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
5938 idx -= curbuf->b_ucmds.ga_len;
5939 if (idx < ucmds.ga_len)
5940 return USER_CMD(idx)->uc_name;
5941 return NULL;
5942 }
5943
5944 /*
5945 * Function given to ExpandGeneric() to obtain the list of user command
5946 * attributes.
5947 */
5948 /*ARGSUSED*/
5949 char_u *
5950 get_user_cmd_flags(xp, idx)
5951 expand_T *xp;
5952 int idx;
5953 {
5954 static char *user_cmd_flags[] =
5955 {"bang", "bar", "buffer", "complete", "count",
5956 "nargs", "range", "register"};
5957
5958 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
5959 return NULL;
5960 return (char_u *)user_cmd_flags[idx];
5961 }
5962
5963 /*
5964 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
5965 */
5966 /*ARGSUSED*/
5967 char_u *
5968 get_user_cmd_nargs(xp, idx)
5969 expand_T *xp;
5970 int idx;
5971 {
5972 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
5973
5974 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
5975 return NULL;
5976 return (char_u *)user_cmd_nargs[idx];
5977 }
5978
5979 /*
5980 * Function given to ExpandGeneric() to obtain the list of values for -complete.
5981 */
5982 /*ARGSUSED*/
5983 char_u *
5984 get_user_cmd_complete(xp, idx)
5985 expand_T *xp;
5986 int idx;
5987 {
5988 return (char_u *)command_complete[idx].name;
5989 }
5990 # endif /* FEAT_CMDL_COMPL */
5991
5992 #endif /* FEAT_USR_CMDS */
5993
5994 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
5995 /*
5996 * Parse a completion argument "value[vallen]".
5997 * The detected completion goes in "*complp", argument type in "*argt".
5998 * When there is an argument, for function and user defined completion, it's
5999 * copied to allocated memory and stored in "*compl_arg".
6000 * Returns FAIL if something is wrong.
6001 */
6002 int
6003 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6004 char_u *value;
6005 int vallen;
6006 int *complp;
6007 long *argt;
6008 char_u **compl_arg;
6009 {
6010 char_u *arg = NULL;
6011 size_t arglen = 0;
6012 int i;
6013 int valend = vallen;
6014
6015 /* Look for any argument part - which is the part after any ',' */
6016 for (i = 0; i < vallen; ++i)
6017 {
6018 if (value[i] == ',')
6019 {
6020 arg = &value[i + 1];
6021 arglen = vallen - i - 1;
6022 valend = i;
6023 break;
6024 }
6025 }
6026
6027 for (i = 0; command_complete[i].expand != 0; ++i)
6028 {
6029 if ((int)STRLEN(command_complete[i].name) == valend
6030 && STRNCMP(value, command_complete[i].name, valend) == 0)
6031 {
6032 *complp = command_complete[i].expand;
6033 if (command_complete[i].expand == EXPAND_BUFFERS)
6034 *argt |= BUFNAME;
6035 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6036 || command_complete[i].expand == EXPAND_FILES)
6037 *argt |= XFILE;
6038 break;
6039 }
6040 }
6041
6042 if (command_complete[i].expand == 0)
6043 {
6044 EMSG2(_("E180: Invalid complete value: %s"), value);
6045 return FAIL;
6046 }
6047
6048 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6049 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6050 && arg != NULL)
6051 # else
6052 if (arg != NULL)
6053 # endif
6054 {
6055 EMSG(_("E468: Completion argument only allowed for custom completion"));
6056 return FAIL;
6057 }
6058
6059 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6060 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6061 && arg == NULL)
6062 {
6063 EMSG(_("E467: Custom completion requires a function argument"));
6064 return FAIL;
6065 }
6066
6067 if (arg != NULL)
6068 *compl_arg = vim_strnsave(arg, (int)arglen);
6069 # endif
6070 return OK;
6071 }
6072 #endif
6073
6074 static void
6075 ex_colorscheme(eap)
6076 exarg_T *eap;
6077 {
6078 if (load_colors(eap->arg) == FAIL)
6079 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6080 }
6081
6082 static void
6083 ex_highlight(eap)
6084 exarg_T *eap;
6085 {
6086 if (*eap->arg == NUL && eap->cmd[2] == '!')
6087 MSG(_("Greetings, Vim user!"));
6088 do_highlight(eap->arg, eap->forceit, FALSE);
6089 }
6090
6091
6092 /*
6093 * Call this function if we thought we were going to exit, but we won't
6094 * (because of an error). May need to restore the terminal mode.
6095 */
6096 void
6097 not_exiting()
6098 {
6099 exiting = FALSE;
6100 settmode(TMODE_RAW);
6101 }
6102
6103 /*
6104 * ":quit": quit current window, quit Vim if closed the last window.
6105 */
6106 static void
6107 ex_quit(eap)
6108 exarg_T *eap;
6109 {
6110 #ifdef FEAT_CMDWIN
6111 if (cmdwin_type != 0)
6112 {
6113 cmdwin_result = Ctrl_C;
6114 return;
6115 }
6116 #endif
6117 /* Don't quit while editing the command line. */
6118 if (text_locked())
6119 {
6120 text_locked_msg();
6121 return;
6122 }
6123 #ifdef FEAT_AUTOCMD
6124 if (curbuf_locked())
6125 return;
6126 #endif
6127
6128 #ifdef FEAT_NETBEANS_INTG
6129 netbeansForcedQuit = eap->forceit;
6130 #endif
6131
6132 /*
6133 * If there are more files or windows we won't exit.
6134 */
6135 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6136 exiting = TRUE;
6137 if ((!P_HID(curbuf)
6138 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6139 || check_more(TRUE, eap->forceit) == FAIL
6140 || (only_one_window() && check_changed_any(eap->forceit)))
6141 {
6142 not_exiting();
6143 }
6144 else
6145 {
6146 #ifdef FEAT_WINDOWS
6147 if (only_one_window()) /* quit last window */
6148 #endif
6149 getout(0);
6150 #ifdef FEAT_WINDOWS
6151 # ifdef FEAT_GUI
6152 need_mouse_correct = TRUE;
6153 # endif
6154 /* close window; may free buffer */
6155 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6156 #endif
6157 }
6158 }
6159
6160 /*
6161 * ":cquit".
6162 */
6163 /*ARGSUSED*/
6164 static void
6165 ex_cquit(eap)
6166 exarg_T *eap;
6167 {
6168 getout(1); /* this does not always pass on the exit code to the Manx
6169 compiler. why? */
6170 }
6171
6172 /*
6173 * ":qall": try to quit all windows
6174 */
6175 static void
6176 ex_quit_all(eap)
6177 exarg_T *eap;
6178 {
6179 # ifdef FEAT_CMDWIN
6180 if (cmdwin_type != 0)
6181 {
6182 if (eap->forceit)
6183 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6184 else
6185 cmdwin_result = K_XF2;
6186 return;
6187 }
6188 # endif
6189
6190 /* Don't quit while editing the command line. */
6191 if (text_locked())
6192 {
6193 text_locked_msg();
6194 return;
6195 }
6196 #ifdef FEAT_AUTOCMD
6197 if (curbuf_locked())
6198 return;
6199 #endif
6200
6201 exiting = TRUE;
6202 if (eap->forceit || !check_changed_any(FALSE))
6203 getout(0);
6204 not_exiting();
6205 }
6206
6207 #if defined(FEAT_WINDOWS) || defined(PROTO)
6208 /*
6209 * ":close": close current window, unless it is the last one
6210 */
6211 static void
6212 ex_close(eap)
6213 exarg_T *eap;
6214 {
6215 # ifdef FEAT_CMDWIN
6216 if (cmdwin_type != 0)
6217 cmdwin_result = K_IGNORE;
6218 else
6219 # endif
6220 if (!text_locked()
6221 #ifdef FEAT_AUTOCMD
6222 && !curbuf_locked()
6223 #endif
6224 )
6225 ex_win_close(eap->forceit, curwin, NULL);
6226 }
6227
6228 # ifdef FEAT_QUICKFIX
6229 /*
6230 * ":pclose": Close any preview window.
6231 */
6232 static void
6233 ex_pclose(eap)
6234 exarg_T *eap;
6235 {
6236 win_T *win;
6237
6238 for (win = firstwin; win != NULL; win = win->w_next)
6239 if (win->w_p_pvw)
6240 {
6241 ex_win_close(eap->forceit, win, NULL);
6242 break;
6243 }
6244 }
6245 # endif
6246
6247 /*
6248 * Close window "win" and take care of handling closing the last window for a
6249 * modified buffer.
6250 */
6251 static void
6252 ex_win_close(forceit, win, tp)
6253 int forceit;
6254 win_T *win;
6255 tabpage_T *tp; /* NULL or the tab page "win" is in */
6256 {
6257 int need_hide;
6258 buf_T *buf = win->w_buffer;
6259
6260 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6261 if (need_hide && !P_HID(buf) && !forceit)
6262 {
6263 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6264 if ((p_confirm || cmdmod.confirm) && p_write)
6265 {
6266 dialog_changed(buf, FALSE);
6267 if (buf_valid(buf) && bufIsChanged(buf))
6268 return;
6269 need_hide = FALSE;
6270 }
6271 else
6272 # endif
6273 {
6274 EMSG(_(e_nowrtmsg));
6275 return;
6276 }
6277 }
6278
6279 # ifdef FEAT_GUI
6280 need_mouse_correct = TRUE;
6281 # endif
6282
6283 /* free buffer when not hiding it or when it's a scratch buffer */
6284 if (tp == NULL)
6285 win_close(win, !need_hide && !P_HID(buf));
6286 else
6287 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6288 }
6289
6290 /*
6291 * ":tabclose": close current tab page, unless it is the last one.
6292 * ":tabclose N": close tab page N.
6293 */
6294 static void
6295 ex_tabclose(eap)
6296 exarg_T *eap;
6297 {
6298 tabpage_T *tp;
6299 int h = tabline_height();
6300
6301 # ifdef FEAT_CMDWIN
6302 if (cmdwin_type != 0)
6303 cmdwin_result = K_IGNORE;
6304 else
6305 # endif
6306 if (first_tabpage->tp_next == NULL)
6307 EMSG(_("E784: Cannot close last tab page"));
6308 else
6309 {
6310 if (eap->addr_count > 0)
6311 {
6312 tp = find_tabpage((int)eap->line2);
6313 if (tp == NULL)
6314 {
6315 beep_flush();
6316 return;
6317 }
6318 if (tp != curtab)
6319 {
6320 tabpage_close_other(tp, eap->forceit);
6321 return;
6322 }
6323 }
6324 if (!text_locked()
6325 #ifdef FEAT_AUTOCMD
6326 && !curbuf_locked()
6327 #endif
6328 )
6329 tabpage_close(eap->forceit);
6330 }
6331
6332 if (h != tabline_height())
6333 shell_new_rows();
6334 }
6335
6336 /*
6337 * ":tabonly": close all tab pages except the current one
6338 */
6339 static void
6340 ex_tabonly(eap)
6341 exarg_T *eap;
6342 {
6343 tabpage_T *tp;
6344 int done;
6345 int h = tabline_height();
6346
6347 # ifdef FEAT_CMDWIN
6348 if (cmdwin_type != 0)
6349 cmdwin_result = K_IGNORE;
6350 else
6351 # endif
6352 if (first_tabpage->tp_next == NULL)
6353 MSG(_("Already only one tab page"));
6354 else
6355 {
6356 /* Repeat this up to a 1000 times, because autocommands may mess
6357 * up the lists. */
6358 for (done = 0; done < 1000; ++done)
6359 {
6360 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6361 if (tp->tp_topframe != topframe)
6362 {
6363 tabpage_close_other(tp, eap->forceit);
6364 /* if we failed to close it quit */
6365 if (valid_tabpage(tp))
6366 done = 1000;
6367 /* start over, "tp" is now invalid */
6368 break;
6369 }
6370 if (first_tabpage->tp_next == NULL)
6371 break;
6372 }
6373 }
6374
6375 if (h != tabline_height())
6376 shell_new_rows();
6377 }
6378
6379 /*
6380 * Close the current tab page.
6381 */
6382 void
6383 tabpage_close(forceit)
6384 int forceit;
6385 {
6386 /* First close all the windows but the current one. If that worked then
6387 * close the last window in this tab, that will close it. */
6388 if (lastwin != firstwin)
6389 close_others(TRUE, forceit);
6390 if (lastwin == firstwin)
6391 ex_win_close(forceit, curwin, NULL);
6392 # ifdef FEAT_GUI
6393 need_mouse_correct = TRUE;
6394 # endif
6395 }
6396
6397 /*
6398 * Close tab page "tp", which is not the current tab page.
6399 * Note that autocommands may make "tp" invalid.
6400 */
6401 void
6402 tabpage_close_other(tp, forceit)
6403 tabpage_T *tp;
6404 int forceit;
6405 {
6406 int done = 0;
6407 win_T *wp;
6408
6409 /* Limit to 1000 windows, autocommands may add a window while we close
6410 * one. OK, so I'm paranoid... */
6411 while (++done < 1000)
6412 {
6413 wp = tp->tp_firstwin;
6414 ex_win_close(forceit, wp, tp);
6415
6416 /* Autocommands may delete the tab page under our fingers and we may
6417 * fail to close a window with a modified buffer. */
6418 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6419 break;
6420 }
6421 redraw_tabline = TRUE;
6422 }
6423
6424 /*
6425 * ":only".
6426 */
6427 static void
6428 ex_only(eap)
6429 exarg_T *eap;
6430 {
6431 # ifdef FEAT_GUI
6432 need_mouse_correct = TRUE;
6433 # endif
6434 close_others(TRUE, eap->forceit);
6435 }
6436
6437 /*
6438 * ":all" and ":sall".
6439 * Also used for ":tab drop file ..." after setting the argument list.
6440 */
6441 void
6442 ex_all(eap)
6443 exarg_T *eap;
6444 {
6445 if (eap->addr_count == 0)
6446 eap->line2 = 9999;
6447 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6448 }
6449 #endif /* FEAT_WINDOWS */
6450
6451 static void
6452 ex_hide(eap)
6453 exarg_T *eap;
6454 {
6455 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6456 eap->errmsg = e_invarg;
6457 else
6458 {
6459 /* ":hide" or ":hide | cmd": hide current window */
6460 eap->nextcmd = check_nextcmd(eap->arg);
6461 #ifdef FEAT_WINDOWS
6462 if (!eap->skip)
6463 {
6464 # ifdef FEAT_GUI
6465 need_mouse_correct = TRUE;
6466 # endif
6467 win_close(curwin, FALSE); /* don't free buffer */
6468 }
6469 #endif
6470 }
6471 }
6472
6473 /*
6474 * ":stop" and ":suspend": Suspend Vim.
6475 */
6476 static void
6477 ex_stop(eap)
6478 exarg_T *eap;
6479 {
6480 /*
6481 * Disallow suspending for "rvim".
6482 */
6483 if (!check_restricted()
6484 #ifdef WIN3264
6485 /*
6486 * Check if external commands are allowed now.
6487 */
6488 && can_end_termcap_mode(TRUE)
6489 #endif
6490 )
6491 {
6492 if (!eap->forceit)
6493 autowrite_all();
6494 windgoto((int)Rows - 1, 0);
6495 out_char('\n');
6496 out_flush();
6497 stoptermcap();
6498 out_flush(); /* needed for SUN to restore xterm buffer */
6499 #ifdef FEAT_TITLE
6500 mch_restore_title(3); /* restore window titles */
6501 #endif
6502 ui_suspend(); /* call machine specific function */
6503 #ifdef FEAT_TITLE
6504 maketitle();
6505 resettitle(); /* force updating the title */
6506 #endif
6507 starttermcap();
6508 scroll_start(); /* scroll screen before redrawing */
6509 redraw_later_clear();
6510 shell_resized(); /* may have resized window */
6511 }
6512 }
6513
6514 /*
6515 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6516 */
6517 static void
6518 ex_exit(eap)
6519 exarg_T *eap;
6520 {
6521 #ifdef FEAT_CMDWIN
6522 if (cmdwin_type != 0)
6523 {
6524 cmdwin_result = Ctrl_C;
6525 return;
6526 }
6527 #endif
6528 /* Don't quit while editing the command line. */
6529 if (text_locked())
6530 {
6531 text_locked_msg();
6532 return;
6533 }
6534 #ifdef FEAT_AUTOCMD
6535 if (curbuf_locked())
6536 return;
6537 #endif
6538
6539 /*
6540 * if more files or windows we won't exit
6541 */
6542 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6543 exiting = TRUE;
6544 if ( ((eap->cmdidx == CMD_wq
6545 || curbufIsChanged())
6546 && do_write(eap) == FAIL)
6547 || check_more(TRUE, eap->forceit) == FAIL
6548 || (only_one_window() && check_changed_any(eap->forceit)))
6549 {
6550 not_exiting();
6551 }
6552 else
6553 {
6554 #ifdef FEAT_WINDOWS
6555 if (only_one_window()) /* quit last window, exit Vim */
6556 #endif
6557 getout(0);
6558 #ifdef FEAT_WINDOWS
6559 # ifdef FEAT_GUI
6560 need_mouse_correct = TRUE;
6561 # endif
6562 /* quit current window, may free buffer */
6563 win_close(curwin, !P_HID(curwin->w_buffer));
6564 #endif
6565 }
6566 }
6567
6568 /*
6569 * ":print", ":list", ":number".
6570 */
6571 static void
6572 ex_print(eap)
6573 exarg_T *eap;
6574 {
6575 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6576 EMSG(_(e_emptybuf));
6577 else
6578 {
6579 for ( ;!got_int; ui_breakcheck())
6580 {
6581 print_line(eap->line1,
6582 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6583 || (eap->flags & EXFLAG_NR)),
6584 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6585 if (++eap->line1 > eap->line2)
6586 break;
6587 out_flush(); /* show one line at a time */
6588 }
6589 setpcmark();
6590 /* put cursor at last line */
6591 curwin->w_cursor.lnum = eap->line2;
6592 beginline(BL_SOL | BL_FIX);
6593 }
6594
6595 ex_no_reprint = TRUE;
6596 }
6597
6598 #ifdef FEAT_BYTEOFF
6599 static void
6600 ex_goto(eap)
6601 exarg_T *eap;
6602 {
6603 goto_byte(eap->line2);
6604 }
6605 #endif
6606
6607 /*
6608 * ":shell".
6609 */
6610 /*ARGSUSED*/
6611 static void
6612 ex_shell(eap)
6613 exarg_T *eap;
6614 {
6615 do_shell(NULL, 0);
6616 }
6617
6618 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6619 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6620 || defined(FEAT_GUI_MSWIN) \
6621 || defined(FEAT_GUI_MAC) \
6622 || defined(PROTO)
6623
6624 /*
6625 * Handle a file drop. The code is here because a drop is *nearly* like an
6626 * :args command, but not quite (we have a list of exact filenames, so we
6627 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6628 * code is very similar to :args and hence needs access to a lot of the static
6629 * functions in this file.
6630 *
6631 * The list should be allocated using alloc(), as should each item in the
6632 * list. This function takes over responsibility for freeing the list.
6633 *
6634 * XXX The list is made into the arggument list. This is freed using
6635 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6636 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6637 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6638 * file functionality is (currently) not in EMX this is not presently a
6639 * problem.
6640 */
6641 void
6642 handle_drop(filec, filev, split)
6643 int filec; /* the number of files dropped */
6644 char_u **filev; /* the list of files dropped */
6645 int split; /* force splitting the window */
6646 {
6647 exarg_T ea;
6648 int save_msg_scroll = msg_scroll;
6649
6650 /* Postpone this while editing the command line. */
6651 if (text_locked())
6652 return;
6653 #ifdef FEAT_AUTOCMD
6654 if (curbuf_locked())
6655 return;
6656 #endif
6657
6658 /* Check whether the current buffer is changed. If so, we will need
6659 * to split the current window or data could be lost.
6660 * We don't need to check if the 'hidden' option is set, as in this
6661 * case the buffer won't be lost.
6662 */
6663 if (!P_HID(curbuf) && !split)
6664 {
6665 ++emsg_off;
6666 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6667 --emsg_off;
6668 }
6669 if (split)
6670 {
6671 # ifdef FEAT_WINDOWS
6672 if (win_split(0, 0) == FAIL)
6673 return;
6674 # ifdef FEAT_SCROLLBIND
6675 curwin->w_p_scb = FALSE;
6676 # endif
6677
6678 /* When splitting the window, create a new alist. Otherwise the
6679 * existing one is overwritten. */
6680 alist_unlink(curwin->w_alist);
6681 alist_new();
6682 # else
6683 return; /* can't split, always fail */
6684 # endif
6685 }
6686
6687 /*
6688 * Set up the new argument list.
6689 */
6690 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6691
6692 /*
6693 * Move to the first file.
6694 */
6695 /* Fake up a minimal "next" command for do_argfile() */
6696 vim_memset(&ea, 0, sizeof(ea));
6697 ea.cmd = (char_u *)"next";
6698 do_argfile(&ea, 0);
6699
6700 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6701 * mode that is not needed here. */
6702 need_start_insertmode = FALSE;
6703
6704 /* Restore msg_scroll, otherwise a following command may cause scrolling
6705 * unexpectedly. The screen will be redrawn by the caller, thus
6706 * msg_scroll being set by displaying a message is irrelevant. */
6707 msg_scroll = save_msg_scroll;
6708 }
6709 #endif
6710
6711 /*
6712 * Clear an argument list: free all file names and reset it to zero entries.
6713 */
6714 void
6715 alist_clear(al)
6716 alist_T *al;
6717 {
6718 while (--al->al_ga.ga_len >= 0)
6719 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6720 ga_clear(&al->al_ga);
6721 }
6722
6723 /*
6724 * Init an argument list.
6725 */
6726 void
6727 alist_init(al)
6728 alist_T *al;
6729 {
6730 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6731 }
6732
6733 #if defined(FEAT_WINDOWS) || defined(PROTO)
6734
6735 /*
6736 * Remove a reference from an argument list.
6737 * Ignored when the argument list is the global one.
6738 * If the argument list is no longer used by any window, free it.
6739 */
6740 void
6741 alist_unlink(al)
6742 alist_T *al;
6743 {
6744 if (al != &global_alist && --al->al_refcount <= 0)
6745 {
6746 alist_clear(al);
6747 vim_free(al);
6748 }
6749 }
6750
6751 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6752 /*
6753 * Create a new argument list and use it for the current window.
6754 */
6755 void
6756 alist_new()
6757 {
6758 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6759 if (curwin->w_alist == NULL)
6760 {
6761 curwin->w_alist = &global_alist;
6762 ++global_alist.al_refcount;
6763 }
6764 else
6765 {
6766 curwin->w_alist->al_refcount = 1;
6767 alist_init(curwin->w_alist);
6768 }
6769 }
6770 # endif
6771 #endif
6772
6773 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6774 /*
6775 * Expand the file names in the global argument list.
6776 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6777 * numbers to be re-used.
6778 */
6779 void
6780 alist_expand(fnum_list, fnum_len)
6781 int *fnum_list;
6782 int fnum_len;
6783 {
6784 char_u **old_arg_files;
6785 int old_arg_count;
6786 char_u **new_arg_files;
6787 int new_arg_file_count;
6788 char_u *save_p_su = p_su;
6789 int i;
6790
6791 /* Don't use 'suffixes' here. This should work like the shell did the
6792 * expansion. Also, the vimrc file isn't read yet, thus the user
6793 * can't set the options. */
6794 p_su = empty_option;
6795 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6796 if (old_arg_files != NULL)
6797 {
6798 for (i = 0; i < GARGCOUNT; ++i)
6799 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6800 old_arg_count = GARGCOUNT;
6801 if (expand_wildcards(old_arg_count, old_arg_files,
6802 &new_arg_file_count, &new_arg_files,
6803 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6804 && new_arg_file_count > 0)
6805 {
6806 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6807 TRUE, fnum_list, fnum_len);
6808 FreeWild(old_arg_count, old_arg_files);
6809 }
6810 }
6811 p_su = save_p_su;
6812 }
6813 #endif
6814
6815 /*
6816 * Set the argument list for the current window.
6817 * Takes over the allocated files[] and the allocated fnames in it.
6818 */
6819 void
6820 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6821 alist_T *al;
6822 int count;
6823 char_u **files;
6824 int use_curbuf;
6825 int *fnum_list;
6826 int fnum_len;
6827 {
6828 int i;
6829
6830 alist_clear(al);
6831 if (ga_grow(&al->al_ga, count) == OK)
6832 {
6833 for (i = 0; i < count; ++i)
6834 {
6835 if (got_int)
6836 {
6837 /* When adding many buffers this can take a long time. Allow
6838 * interrupting here. */
6839 while (i < count)
6840 vim_free(files[i++]);
6841 break;
6842 }
6843
6844 /* May set buffer name of a buffer previously used for the
6845 * argument list, so that it's re-used by alist_add. */
6846 if (fnum_list != NULL && i < fnum_len)
6847 buf_set_name(fnum_list[i], files[i]);
6848
6849 alist_add(al, files[i], use_curbuf ? 2 : 1);
6850 ui_breakcheck();
6851 }
6852 vim_free(files);
6853 }
6854 else
6855 FreeWild(count, files);
6856 #ifdef FEAT_WINDOWS
6857 if (al == &global_alist)
6858 #endif
6859 arg_had_last = FALSE;
6860 }
6861
6862 /*
6863 * Add file "fname" to argument list "al".
6864 * "fname" must have been allocated and "al" must have been checked for room.
6865 */
6866 void
6867 alist_add(al, fname, set_fnum)
6868 alist_T *al;
6869 char_u *fname;
6870 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6871 {
6872 if (fname == NULL) /* don't add NULL file names */
6873 return;
6874 #ifdef BACKSLASH_IN_FILENAME
6875 slash_adjust(fname);
6876 #endif
6877 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6878 if (set_fnum > 0)
6879 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6880 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6881 ++al->al_ga.ga_len;
6882 }
6883
6884 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6885 /*
6886 * Adjust slashes in file names. Called after 'shellslash' was set.
6887 */
6888 void
6889 alist_slash_adjust()
6890 {
6891 int i;
6892 # ifdef FEAT_WINDOWS
6893 win_T *wp;
6894 tabpage_T *tp;
6895 # endif
6896
6897 for (i = 0; i < GARGCOUNT; ++i)
6898 if (GARGLIST[i].ae_fname != NULL)
6899 slash_adjust(GARGLIST[i].ae_fname);
6900 # ifdef FEAT_WINDOWS
6901 FOR_ALL_TAB_WINDOWS(tp, wp)
6902 if (wp->w_alist != &global_alist)
6903 for (i = 0; i < WARGCOUNT(wp); ++i)
6904 if (WARGLIST(wp)[i].ae_fname != NULL)
6905 slash_adjust(WARGLIST(wp)[i].ae_fname);
6906 # endif
6907 }
6908 #endif
6909
6910 /*
6911 * ":preserve".
6912 */
6913 /*ARGSUSED*/
6914 static void
6915 ex_preserve(eap)
6916 exarg_T *eap;
6917 {
6918 curbuf->b_flags |= BF_PRESERVED;
6919 ml_preserve(curbuf, TRUE);
6920 }
6921
6922 /*
6923 * ":recover".
6924 */
6925 static void
6926 ex_recover(eap)
6927 exarg_T *eap;
6928 {
6929 /* Set recoverymode right away to avoid the ATTENTION prompt. */
6930 recoverymode = TRUE;
6931 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
6932 && (*eap->arg == NUL
6933 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
6934 ml_recover();
6935 recoverymode = FALSE;
6936 }
6937
6938 /*
6939 * Command modifier used in a wrong way.
6940 */
6941 static void
6942 ex_wrongmodifier(eap)
6943 exarg_T *eap;
6944 {
6945 eap->errmsg = e_invcmd;
6946 }
6947
6948 #ifdef FEAT_WINDOWS
6949 /*
6950 * :sview [+command] file split window with new file, read-only
6951 * :split [[+command] file] split window with current or new file
6952 * :vsplit [[+command] file] split window vertically with current or new file
6953 * :new [[+command] file] split window with no or new file
6954 * :vnew [[+command] file] split vertically window with no or new file
6955 * :sfind [+command] file split window with file in 'path'
6956 *
6957 * :tabedit open new Tab page with empty window
6958 * :tabedit [+command] file open new Tab page and edit "file"
6959 * :tabnew [[+command] file] just like :tabedit
6960 * :tabfind [+command] file open new Tab page and find "file"
6961 */
6962 void
6963 ex_splitview(eap)
6964 exarg_T *eap;
6965 {
6966 win_T *old_curwin = curwin;
6967 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
6968 char_u *fname = NULL;
6969 # endif
6970 # ifdef FEAT_BROWSE
6971 int browse_flag = cmdmod.browse;
6972 # endif
6973
6974 # ifndef FEAT_VERTSPLIT
6975 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
6976 {
6977 ex_ni(eap);
6978 return;
6979 }
6980 # endif
6981
6982 # ifdef FEAT_GUI
6983 need_mouse_correct = TRUE;
6984 # endif
6985
6986 # ifdef FEAT_QUICKFIX
6987 /* A ":split" in the quickfix window works like ":new". Don't want two
6988 * quickfix windows. */
6989 if (bt_quickfix(curbuf))
6990 {
6991 if (eap->cmdidx == CMD_split)
6992 eap->cmdidx = CMD_new;
6993 # ifdef FEAT_VERTSPLIT
6994 if (eap->cmdidx == CMD_vsplit)
6995 eap->cmdidx = CMD_vnew;
6996 # endif
6997 }
6998 # endif
6999
7000 # ifdef FEAT_SEARCHPATH
7001 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7002 {
7003 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7004 FNAME_MESS, TRUE, curbuf->b_ffname);
7005 if (fname == NULL)
7006 goto theend;
7007 eap->arg = fname;
7008 }
7009 # ifdef FEAT_BROWSE
7010 else
7011 # endif
7012 # endif
7013 # ifdef FEAT_BROWSE
7014 if (cmdmod.browse
7015 # ifdef FEAT_VERTSPLIT
7016 && eap->cmdidx != CMD_vnew
7017 # endif
7018 && eap->cmdidx != CMD_new)
7019 {
7020 if (
7021 # ifdef FEAT_GUI
7022 !gui.in_use &&
7023 # endif
7024 au_has_group((char_u *)"FileExplorer"))
7025 {
7026 /* No browsing supported but we do have the file explorer:
7027 * Edit the directory. */
7028 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7029 eap->arg = (char_u *)".";
7030 }
7031 else
7032 {
7033 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7034 eap->arg, NULL, NULL, NULL, curbuf);
7035 if (fname == NULL)
7036 goto theend;
7037 eap->arg = fname;
7038 }
7039 }
7040 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7041 # endif
7042
7043 /*
7044 * Either open new tab page or split the window.
7045 */
7046 if (eap->cmdidx == CMD_tabedit
7047 || eap->cmdidx == CMD_tabfind
7048 || eap->cmdidx == CMD_tabnew)
7049 {
7050 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7051 : eap->addr_count == 0 ? 0
7052 : (int)eap->line2 + 1) != FAIL)
7053 {
7054 do_exedit(eap, NULL);
7055
7056 /* set the alternate buffer for the window we came from */
7057 if (curwin != old_curwin
7058 && win_valid(old_curwin)
7059 && old_curwin->w_buffer != curbuf
7060 && !cmdmod.keepalt)
7061 old_curwin->w_alt_fnum = curbuf->b_fnum;
7062 }
7063 }
7064 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7065 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7066 {
7067 # ifdef FEAT_SCROLLBIND
7068 /* Reset 'scrollbind' when editing another file, but keep it when
7069 * doing ":split" without arguments. */
7070 if (*eap->arg != NUL
7071 # ifdef FEAT_BROWSE
7072 || cmdmod.browse
7073 # endif
7074 )
7075 curwin->w_p_scb = FALSE;
7076 else
7077 do_check_scrollbind(FALSE);
7078 # endif
7079 do_exedit(eap, old_curwin);
7080 }
7081
7082 # ifdef FEAT_BROWSE
7083 cmdmod.browse = browse_flag;
7084 # endif
7085
7086 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7087 theend:
7088 vim_free(fname);
7089 # endif
7090 }
7091
7092 #if defined(FEAT_MOUSE) || defined(PROTO)
7093 /*
7094 * Open a new tab page.
7095 */
7096 void
7097 tabpage_new()
7098 {
7099 exarg_T ea;
7100
7101 vim_memset(&ea, 0, sizeof(ea));
7102 ea.cmdidx = CMD_tabnew;
7103 ea.cmd = (char_u *)"tabn";
7104 ea.arg = (char_u *)"";
7105 ex_splitview(&ea);
7106 }
7107 #endif
7108
7109 /*
7110 * :tabnext command
7111 */
7112 static void
7113 ex_tabnext(eap)
7114 exarg_T *eap;
7115 {
7116 switch (eap->cmdidx)
7117 {
7118 case CMD_tabfirst:
7119 case CMD_tabrewind:
7120 goto_tabpage(1);
7121 break;
7122 case CMD_tablast:
7123 goto_tabpage(9999);
7124 break;
7125 case CMD_tabprevious:
7126 case CMD_tabNext:
7127 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7128 break;
7129 default: /* CMD_tabnext */
7130 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7131 break;
7132 }
7133 }
7134
7135 /*
7136 * :tabmove command
7137 */
7138 static void
7139 ex_tabmove(eap)
7140 exarg_T *eap;
7141 {
7142 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7143 }
7144
7145 /*
7146 * :tabs command: List tabs and their contents.
7147 */
7148 /*ARGSUSED*/
7149 static void
7150 ex_tabs(eap)
7151 exarg_T *eap;
7152 {
7153 tabpage_T *tp;
7154 win_T *wp;
7155 int tabcount = 1;
7156
7157 msg_start();
7158 msg_scroll = TRUE;
7159 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7160 {
7161 msg_putchar('\n');
7162 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7163 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7164 out_flush(); /* output one line at a time */
7165 ui_breakcheck();
7166
7167 if (tp == curtab)
7168 wp = firstwin;
7169 else
7170 wp = tp->tp_firstwin;
7171 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7172 {
7173 msg_putchar('\n');
7174 msg_putchar(wp == curwin ? '>' : ' ');
7175 msg_putchar(' ');
7176 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7177 msg_putchar(' ');
7178 if (buf_spname(wp->w_buffer) != NULL)
7179 STRCPY(IObuff, buf_spname(wp->w_buffer));
7180 else
7181 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7182 IObuff, IOSIZE, TRUE);
7183 msg_outtrans(IObuff);
7184 out_flush(); /* output one line at a time */
7185 ui_breakcheck();
7186 }
7187 }
7188 }
7189
7190 #endif /* FEAT_WINDOWS */
7191
7192 /*
7193 * ":mode": Set screen mode.
7194 * If no argument given, just get the screen size and redraw.
7195 */
7196 static void
7197 ex_mode(eap)
7198 exarg_T *eap;
7199 {
7200 if (*eap->arg == NUL)
7201 shell_resized();
7202 else
7203 mch_screenmode(eap->arg);
7204 }
7205
7206 #ifdef FEAT_WINDOWS
7207 /*
7208 * ":resize".
7209 * set, increment or decrement current window height
7210 */
7211 static void
7212 ex_resize(eap)
7213 exarg_T *eap;
7214 {
7215 int n;
7216 win_T *wp = curwin;
7217
7218 if (eap->addr_count > 0)
7219 {
7220 n = eap->line2;
7221 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7222 ;
7223 }
7224
7225 #ifdef FEAT_GUI
7226 need_mouse_correct = TRUE;
7227 #endif
7228 n = atol((char *)eap->arg);
7229 #ifdef FEAT_VERTSPLIT
7230 if (cmdmod.split & WSP_VERT)
7231 {
7232 if (*eap->arg == '-' || *eap->arg == '+')
7233 n += W_WIDTH(curwin);
7234 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7235 n = 9999;
7236 win_setwidth_win((int)n, wp);
7237 }
7238 else
7239 #endif
7240 {
7241 if (*eap->arg == '-' || *eap->arg == '+')
7242 n += curwin->w_height;
7243 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7244 n = 9999;
7245 win_setheight_win((int)n, wp);
7246 }
7247 }
7248 #endif
7249
7250 /*
7251 * ":find [+command] <file>" command.
7252 */
7253 static void
7254 ex_find(eap)
7255 exarg_T *eap;
7256 {
7257 #ifdef FEAT_SEARCHPATH
7258 char_u *fname;
7259 int count;
7260
7261 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7262 TRUE, curbuf->b_ffname);
7263 if (eap->addr_count > 0)
7264 {
7265 /* Repeat finding the file "count" times. This matters when it
7266 * appears several times in the path. */
7267 count = eap->line2;
7268 while (fname != NULL && --count > 0)
7269 {
7270 vim_free(fname);
7271 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7272 FALSE, curbuf->b_ffname);
7273 }
7274 }
7275
7276 if (fname != NULL)
7277 {
7278 eap->arg = fname;
7279 #endif
7280 do_exedit(eap, NULL);
7281 #ifdef FEAT_SEARCHPATH
7282 vim_free(fname);
7283 }
7284 #endif
7285 }
7286
7287 /*
7288 * ":open" simulation: for now just work like ":visual".
7289 */
7290 static void
7291 ex_open(eap)
7292 exarg_T *eap;
7293 {
7294 regmatch_T regmatch;
7295 char_u *p;
7296
7297 curwin->w_cursor.lnum = eap->line2;
7298 beginline(BL_SOL | BL_FIX);
7299 if (*eap->arg == '/')
7300 {
7301 /* ":open /pattern/": put cursor in column found with pattern */
7302 ++eap->arg;
7303 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7304 *p = NUL;
7305 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7306 if (regmatch.regprog != NULL)
7307 {
7308 regmatch.rm_ic = p_ic;
7309 p = ml_get_curline();
7310 if (vim_regexec(&regmatch, p, (colnr_T)0))
7311 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7312 else
7313 EMSG(_(e_nomatch));
7314 vim_free(regmatch.regprog);
7315 }
7316 /* Move to the NUL, ignore any other arguments. */
7317 eap->arg += STRLEN(eap->arg);
7318 }
7319 check_cursor();
7320
7321 eap->cmdidx = CMD_visual;
7322 do_exedit(eap, NULL);
7323 }
7324
7325 /*
7326 * ":edit", ":badd", ":visual".
7327 */
7328 static void
7329 ex_edit(eap)
7330 exarg_T *eap;
7331 {
7332 do_exedit(eap, NULL);
7333 }
7334
7335 /*
7336 * ":edit <file>" command and alikes.
7337 */
7338 /*ARGSUSED*/
7339 void
7340 do_exedit(eap, old_curwin)
7341 exarg_T *eap;
7342 win_T *old_curwin; /* curwin before doing a split or NULL */
7343 {
7344 int n;
7345 #ifdef FEAT_WINDOWS
7346 int need_hide;
7347 #endif
7348 int exmode_was = exmode_active;
7349
7350 /*
7351 * ":vi" command ends Ex mode.
7352 */
7353 if (exmode_active && (eap->cmdidx == CMD_visual
7354 || eap->cmdidx == CMD_view))
7355 {
7356 exmode_active = FALSE;
7357 if (*eap->arg == NUL)
7358 {
7359 /* Special case: ":global/pat/visual\NLvi-commands" */
7360 if (global_busy)
7361 {
7362 int rd = RedrawingDisabled;
7363 int nwr = no_wait_return;
7364 int ms = msg_scroll;
7365 #ifdef FEAT_GUI
7366 int he = hold_gui_events;
7367 #endif
7368
7369 if (eap->nextcmd != NULL)
7370 {
7371 stuffReadbuff(eap->nextcmd);
7372 eap->nextcmd = NULL;
7373 }
7374
7375 if (exmode_was != EXMODE_VIM)
7376 settmode(TMODE_RAW);
7377 RedrawingDisabled = 0;
7378 no_wait_return = 0;
7379 need_wait_return = FALSE;
7380 msg_scroll = 0;
7381 #ifdef FEAT_GUI
7382 hold_gui_events = 0;
7383 #endif
7384 must_redraw = CLEAR;
7385
7386 main_loop(FALSE, TRUE);
7387
7388 RedrawingDisabled = rd;
7389 no_wait_return = nwr;
7390 msg_scroll = ms;
7391 #ifdef FEAT_GUI
7392 hold_gui_events = he;
7393 #endif
7394 }
7395 return;
7396 }
7397 }
7398
7399 if ((eap->cmdidx == CMD_new
7400 || eap->cmdidx == CMD_tabnew
7401 || eap->cmdidx == CMD_tabedit
7402 #ifdef FEAT_VERTSPLIT
7403 || eap->cmdidx == CMD_vnew
7404 #endif
7405 ) && *eap->arg == NUL)
7406 {
7407 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7408 setpcmark();
7409 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7410 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7411 }
7412 else if ((eap->cmdidx != CMD_split
7413 #ifdef FEAT_VERTSPLIT
7414 && eap->cmdidx != CMD_vsplit
7415 #endif
7416 )
7417 || *eap->arg != NUL
7418 #ifdef FEAT_BROWSE
7419 || cmdmod.browse
7420 #endif
7421 )
7422 {
7423 #ifdef FEAT_AUTOCMD
7424 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7425 * can bring us here, others are stopped earlier. */
7426 if (*eap->arg != NUL && curbuf_locked())
7427 return;
7428 #endif
7429 n = readonlymode;
7430 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7431 readonlymode = TRUE;
7432 else if (eap->cmdidx == CMD_enew)
7433 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7434 empty buffer */
7435 setpcmark();
7436 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7437 NULL, eap,
7438 /* ":edit" goes to first line if Vi compatible */
7439 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7440 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7441 ? ECMD_ONE : eap->do_ecmd_lnum,
7442 (P_HID(curbuf) ? ECMD_HIDE : 0)
7443 + (eap->forceit ? ECMD_FORCEIT : 0)
7444 #ifdef FEAT_LISTCMDS
7445 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7446 #endif
7447 ) == FAIL)
7448 {
7449 /* Editing the file failed. If the window was split, close it. */
7450 #ifdef FEAT_WINDOWS
7451 if (old_curwin != NULL)
7452 {
7453 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7454 if (!need_hide || P_HID(curbuf))
7455 {
7456 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7457 cleanup_T cs;
7458
7459 /* Reset the error/interrupt/exception state here so that
7460 * aborting() returns FALSE when closing a window. */
7461 enter_cleanup(&cs);
7462 # endif
7463 # ifdef FEAT_GUI
7464 need_mouse_correct = TRUE;
7465 # endif
7466 win_close(curwin, !need_hide && !P_HID(curbuf));
7467
7468 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7469 /* Restore the error/interrupt/exception state if not
7470 * discarded by a new aborting error, interrupt, or
7471 * uncaught exception. */
7472 leave_cleanup(&cs);
7473 # endif
7474 }
7475 }
7476 #endif
7477 }
7478 else if (readonlymode && curbuf->b_nwindows == 1)
7479 {
7480 /* When editing an already visited buffer, 'readonly' won't be set
7481 * but the previous value is kept. With ":view" and ":sview" we
7482 * want the file to be readonly, except when another window is
7483 * editing the same buffer. */
7484 curbuf->b_p_ro = TRUE;
7485 }
7486 readonlymode = n;
7487 }
7488 else
7489 {
7490 if (eap->do_ecmd_cmd != NULL)
7491 do_cmdline_cmd(eap->do_ecmd_cmd);
7492 #ifdef FEAT_TITLE
7493 n = curwin->w_arg_idx_invalid;
7494 #endif
7495 check_arg_idx(curwin);
7496 #ifdef FEAT_TITLE
7497 if (n != curwin->w_arg_idx_invalid)
7498 maketitle();
7499 #endif
7500 }
7501
7502 #ifdef FEAT_WINDOWS
7503 /*
7504 * if ":split file" worked, set alternate file name in old window to new
7505 * file
7506 */
7507 if (old_curwin != NULL
7508 && *eap->arg != NUL
7509 && curwin != old_curwin
7510 && win_valid(old_curwin)
7511 && old_curwin->w_buffer != curbuf
7512 && !cmdmod.keepalt)
7513 old_curwin->w_alt_fnum = curbuf->b_fnum;
7514 #endif
7515
7516 ex_no_reprint = TRUE;
7517 }
7518
7519 #ifndef FEAT_GUI
7520 /*
7521 * ":gui" and ":gvim" when there is no GUI.
7522 */
7523 static void
7524 ex_nogui(eap)
7525 exarg_T *eap;
7526 {
7527 eap->errmsg = e_nogvim;
7528 }
7529 #endif
7530
7531 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7532 static void
7533 ex_tearoff(eap)
7534 exarg_T *eap;
7535 {
7536 gui_make_tearoff(eap->arg);
7537 }
7538 #endif
7539
7540 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7541 static void
7542 ex_popup(eap)
7543 exarg_T *eap;
7544 {
7545 gui_make_popup(eap->arg, eap->forceit);
7546 }
7547 #endif
7548
7549 /*ARGSUSED*/
7550 static void
7551 ex_swapname(eap)
7552 exarg_T *eap;
7553 {
7554 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7555 MSG(_("No swap file"));
7556 else
7557 msg(curbuf->b_ml.ml_mfp->mf_fname);
7558 }
7559
7560 /*
7561 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7562 * offset.
7563 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7564 */
7565 /*ARGSUSED*/
7566 static void
7567 ex_syncbind(eap)
7568 exarg_T *eap;
7569 {
7570 #ifdef FEAT_SCROLLBIND
7571 win_T *wp;
7572 long topline;
7573 long y;
7574 linenr_T old_linenr = curwin->w_cursor.lnum;
7575
7576 setpcmark();
7577
7578 /*
7579 * determine max topline
7580 */
7581 if (curwin->w_p_scb)
7582 {
7583 topline = curwin->w_topline;
7584 for (wp = firstwin; wp; wp = wp->w_next)
7585 {
7586 if (wp->w_p_scb && wp->w_buffer)
7587 {
7588 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7589 if (topline > y)
7590 topline = y;
7591 }
7592 }
7593 if (topline < 1)
7594 topline = 1;
7595 }
7596 else
7597 {
7598 topline = 1;
7599 }
7600
7601
7602 /*
7603 * set all scrollbind windows to the same topline
7604 */
7605 wp = curwin;
7606 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7607 {
7608 if (curwin->w_p_scb)
7609 {
7610 y = topline - curwin->w_topline;
7611 if (y > 0)
7612 scrollup(y, TRUE);
7613 else
7614 scrolldown(-y, TRUE);
7615 curwin->w_scbind_pos = topline;
7616 redraw_later(VALID);
7617 cursor_correct();
7618 #ifdef FEAT_WINDOWS
7619 curwin->w_redr_status = TRUE;
7620 #endif
7621 }
7622 }
7623 curwin = wp;
7624 if (curwin->w_p_scb)
7625 {
7626 did_syncbind = TRUE;
7627 checkpcmark();
7628 if (old_linenr != curwin->w_cursor.lnum)
7629 {
7630 char_u ctrl_o[2];
7631
7632 ctrl_o[0] = Ctrl_O;
7633 ctrl_o[1] = 0;
7634 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7635 }
7636 }
7637 #endif
7638 }
7639
7640
7641 static void
7642 ex_read(eap)
7643 exarg_T *eap;
7644 {
7645 int i;
7646 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7647 linenr_T lnum;
7648
7649 if (eap->usefilter) /* :r!cmd */
7650 do_bang(1, eap, FALSE, FALSE, TRUE);
7651 else
7652 {
7653 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7654 return;
7655
7656 #ifdef FEAT_BROWSE
7657 if (cmdmod.browse)
7658 {
7659 char_u *browseFile;
7660
7661 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7662 NULL, NULL, NULL, curbuf);
7663 if (browseFile != NULL)
7664 {
7665 i = readfile(browseFile, NULL,
7666 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7667 vim_free(browseFile);
7668 }
7669 else
7670 i = OK;
7671 }
7672 else
7673 #endif
7674 if (*eap->arg == NUL)
7675 {
7676 if (check_fname() == FAIL) /* check for no file name */
7677 return;
7678 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7679 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7680 }
7681 else
7682 {
7683 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7684 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7685 i = readfile(eap->arg, NULL,
7686 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7687
7688 }
7689 if (i == FAIL)
7690 {
7691 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7692 if (!aborting())
7693 #endif
7694 EMSG2(_(e_notopen), eap->arg);
7695 }
7696 else
7697 {
7698 if (empty && exmode_active)
7699 {
7700 /* Delete the empty line that remains. Historically ex does
7701 * this but vi doesn't. */
7702 if (eap->line2 == 0)
7703 lnum = curbuf->b_ml.ml_line_count;
7704 else
7705 lnum = 1;
7706 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7707 {
7708 ml_delete(lnum, FALSE);
7709 deleted_lines_mark(lnum, 1L);
7710 if (curwin->w_cursor.lnum > 1
7711 && curwin->w_cursor.lnum >= lnum)
7712 --curwin->w_cursor.lnum;
7713 }
7714 }
7715 redraw_curbuf_later(VALID);
7716 }
7717 }
7718 }
7719
7720 static char_u *prev_dir = NULL;
7721
7722 #if defined(EXITFREE) || defined(PROTO)
7723 void
7724 free_cd_dir()
7725 {
7726 vim_free(prev_dir);
7727 }
7728 #endif
7729
7730
7731 /*
7732 * ":cd", ":lcd", ":chdir" and ":lchdir".
7733 */
7734 static void
7735 ex_cd(eap)
7736 exarg_T *eap;
7737 {
7738 char_u *new_dir;
7739 char_u *tofree;
7740
7741 new_dir = eap->arg;
7742 #if !defined(UNIX) && !defined(VMS)
7743 /* for non-UNIX ":cd" means: print current directory */
7744 if (*new_dir == NUL)
7745 ex_pwd(NULL);
7746 else
7747 #endif
7748 {
7749 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7750 && !eap->forceit)
7751 {
7752 EMSG(_("E747: Cannot change directory, buffer is modifed (add ! to override)"));
7753 return;
7754 }
7755
7756 /* ":cd -": Change to previous directory */
7757 if (STRCMP(new_dir, "-") == 0)
7758 {
7759 if (prev_dir == NULL)
7760 {
7761 EMSG(_("E186: No previous directory"));
7762 return;
7763 }
7764 new_dir = prev_dir;
7765 }
7766
7767 /* Save current directory for next ":cd -" */
7768 tofree = prev_dir;
7769 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7770 prev_dir = vim_strsave(NameBuff);
7771 else
7772 prev_dir = NULL;
7773
7774 #if defined(UNIX) || defined(VMS)
7775 /* for UNIX ":cd" means: go to home directory */
7776 if (*new_dir == NUL)
7777 {
7778 /* use NameBuff for home directory name */
7779 # ifdef VMS
7780 char_u *p;
7781
7782 p = mch_getenv((char_u *)"SYS$LOGIN");
7783 if (p == NULL || *p == NUL) /* empty is the same as not set */
7784 NameBuff[0] = NUL;
7785 else
7786 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7787 # else
7788 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7789 # endif
7790 new_dir = NameBuff;
7791 }
7792 #endif
7793 if (new_dir == NULL || vim_chdir(new_dir))
7794 EMSG(_(e_failed));
7795 else
7796 {
7797 vim_free(curwin->w_localdir);
7798 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7799 {
7800 /* If still in global directory, need to remember current
7801 * directory as global directory. */
7802 if (globaldir == NULL && prev_dir != NULL)
7803 globaldir = vim_strsave(prev_dir);
7804 /* Remember this local directory for the window. */
7805 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7806 curwin->w_localdir = vim_strsave(NameBuff);
7807 }
7808 else
7809 {
7810 /* We are now in the global directory, no need to remember its
7811 * name. */
7812 vim_free(globaldir);
7813 globaldir = NULL;
7814 curwin->w_localdir = NULL;
7815 }
7816
7817 shorten_fnames(TRUE);
7818
7819 /* Echo the new current directory if the command was typed. */
7820 if (KeyTyped)
7821 ex_pwd(eap);
7822 }
7823 vim_free(tofree);
7824 }
7825 }
7826
7827 /*
7828 * ":pwd".
7829 */
7830 /*ARGSUSED*/
7831 static void
7832 ex_pwd(eap)
7833 exarg_T *eap;
7834 {
7835 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7836 {
7837 #ifdef BACKSLASH_IN_FILENAME
7838 slash_adjust(NameBuff);
7839 #endif
7840 msg(NameBuff);
7841 }
7842 else
7843 EMSG(_("E187: Unknown"));
7844 }
7845
7846 /*
7847 * ":=".
7848 */
7849 static void
7850 ex_equal(eap)
7851 exarg_T *eap;
7852 {
7853 smsg((char_u *)"%ld", (long)eap->line2);
7854 ex_may_print(eap);
7855 }
7856
7857 static void
7858 ex_sleep(eap)
7859 exarg_T *eap;
7860 {
7861 int n;
7862 long len;
7863
7864 if (cursor_valid())
7865 {
7866 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7867 if (n >= 0)
7868 windgoto((int)n, curwin->w_wcol);
7869 }
7870
7871 len = eap->line2;
7872 switch (*eap->arg)
7873 {
7874 case 'm': break;
7875 case NUL: len *= 1000L; break;
7876 default: EMSG2(_(e_invarg2), eap->arg); return;
7877 }
7878 do_sleep(len);
7879 }
7880
7881 /*
7882 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7883 */
7884 void
7885 do_sleep(msec)
7886 long msec;
7887 {
7888 long done;
7889
7890 cursor_on();
7891 out_flush();
7892 for (done = 0; !got_int && done < msec; done += 1000L)
7893 {
7894 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7895 ui_breakcheck();
7896 }
7897 }
7898
7899 static void
7900 do_exmap(eap, isabbrev)
7901 exarg_T *eap;
7902 int isabbrev;
7903 {
7904 int mode;
7905 char_u *cmdp;
7906
7907 cmdp = eap->cmd;
7908 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7909
7910 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7911 eap->arg, mode, isabbrev))
7912 {
7913 case 1: EMSG(_(e_invarg));
7914 break;
7915 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
7916 break;
7917 }
7918 }
7919
7920 /*
7921 * ":winsize" command (obsolete).
7922 */
7923 static void
7924 ex_winsize(eap)
7925 exarg_T *eap;
7926 {
7927 int w, h;
7928 char_u *arg = eap->arg;
7929 char_u *p;
7930
7931 w = getdigits(&arg);
7932 arg = skipwhite(arg);
7933 p = arg;
7934 h = getdigits(&arg);
7935 if (*p != NUL && *arg == NUL)
7936 set_shellsize(w, h, TRUE);
7937 else
7938 EMSG(_("E465: :winsize requires two number arguments"));
7939 }
7940
7941 #ifdef FEAT_WINDOWS
7942 static void
7943 ex_wincmd(eap)
7944 exarg_T *eap;
7945 {
7946 int xchar = NUL;
7947 char_u *p;
7948
7949 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
7950 {
7951 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
7952 if (eap->arg[1] == NUL)
7953 {
7954 EMSG(_(e_invarg));
7955 return;
7956 }
7957 xchar = eap->arg[1];
7958 p = eap->arg + 2;
7959 }
7960 else
7961 p = eap->arg + 1;
7962
7963 eap->nextcmd = check_nextcmd(p);
7964 p = skipwhite(p);
7965 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
7966 EMSG(_(e_invarg));
7967 else
7968 {
7969 /* Pass flags on for ":vertical wincmd ]". */
7970 postponed_split_flags = cmdmod.split;
7971 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
7972 postponed_split_flags = 0;
7973 }
7974 }
7975 #endif
7976
7977 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
7978 /*
7979 * ":winpos".
7980 */
7981 static void
7982 ex_winpos(eap)
7983 exarg_T *eap;
7984 {
7985 int x, y;
7986 char_u *arg = eap->arg;
7987 char_u *p;
7988
7989 if (*arg == NUL)
7990 {
7991 # if defined(FEAT_GUI) || defined(MSWIN)
7992 # ifdef FEAT_GUI
7993 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
7994 # else
7995 if (mch_get_winpos(&x, &y) != FAIL)
7996 # endif
7997 {
7998 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
7999 msg(IObuff);
8000 }
8001 else
8002 # endif
8003 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8004 }
8005 else
8006 {
8007 x = getdigits(&arg);
8008 arg = skipwhite(arg);
8009 p = arg;
8010 y = getdigits(&arg);
8011 if (*p == NUL || *arg != NUL)
8012 {
8013 EMSG(_("E466: :winpos requires two number arguments"));
8014 return;
8015 }
8016 # ifdef FEAT_GUI
8017 if (gui.in_use)
8018 gui_mch_set_winpos(x, y);
8019 else if (gui.starting)
8020 {
8021 /* Remember the coordinates for when the window is opened. */
8022 gui_win_x = x;
8023 gui_win_y = y;
8024 }
8025 # ifdef HAVE_TGETENT
8026 else
8027 # endif
8028 # else
8029 # ifdef MSWIN
8030 mch_set_winpos(x, y);
8031 # endif
8032 # endif
8033 # ifdef HAVE_TGETENT
8034 if (*T_CWP)
8035 term_set_winpos(x, y);
8036 # endif
8037 }
8038 }
8039 #endif
8040
8041 /*
8042 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8043 */
8044 static void
8045 ex_operators(eap)
8046 exarg_T *eap;
8047 {
8048 oparg_T oa;
8049
8050 clear_oparg(&oa);
8051 oa.regname = eap->regname;
8052 oa.start.lnum = eap->line1;
8053 oa.end.lnum = eap->line2;
8054 oa.line_count = eap->line2 - eap->line1 + 1;
8055 oa.motion_type = MLINE;
8056 #ifdef FEAT_VIRTUALEDIT
8057 virtual_op = FALSE;
8058 #endif
8059 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8060 {
8061 setpcmark();
8062 curwin->w_cursor.lnum = eap->line1;
8063 beginline(BL_SOL | BL_FIX);
8064 }
8065
8066 switch (eap->cmdidx)
8067 {
8068 case CMD_delete:
8069 oa.op_type = OP_DELETE;
8070 op_delete(&oa);
8071 break;
8072
8073 case CMD_yank:
8074 oa.op_type = OP_YANK;
8075 (void)op_yank(&oa, FALSE, TRUE);
8076 break;
8077
8078 default: /* CMD_rshift or CMD_lshift */
8079 if ((eap->cmdidx == CMD_rshift)
8080 #ifdef FEAT_RIGHTLEFT
8081 ^ curwin->w_p_rl
8082 #endif
8083 )
8084 oa.op_type = OP_RSHIFT;
8085 else
8086 oa.op_type = OP_LSHIFT;
8087 op_shift(&oa, FALSE, eap->amount);
8088 break;
8089 }
8090 #ifdef FEAT_VIRTUALEDIT
8091 virtual_op = MAYBE;
8092 #endif
8093 ex_may_print(eap);
8094 }
8095
8096 /*
8097 * ":put".
8098 */
8099 static void
8100 ex_put(eap)
8101 exarg_T *eap;
8102 {
8103 /* ":0put" works like ":1put!". */
8104 if (eap->line2 == 0)
8105 {
8106 eap->line2 = 1;
8107 eap->forceit = TRUE;
8108 }
8109 curwin->w_cursor.lnum = eap->line2;
8110 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8111 PUT_LINE|PUT_CURSLINE);
8112 }
8113
8114 /*
8115 * Handle ":copy" and ":move".
8116 */
8117 static void
8118 ex_copymove(eap)
8119 exarg_T *eap;
8120 {
8121 long n;
8122
8123 n = get_address(&eap->arg, FALSE, FALSE);
8124 if (eap->arg == NULL) /* error detected */
8125 {
8126 eap->nextcmd = NULL;
8127 return;
8128 }
8129 get_flags(eap);
8130
8131 /*
8132 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8133 */
8134 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8135 {
8136 EMSG(_(e_invaddr));
8137 return;
8138 }
8139
8140 if (eap->cmdidx == CMD_move)
8141 {
8142 if (do_move(eap->line1, eap->line2, n) == FAIL)
8143 return;
8144 }
8145 else
8146 ex_copy(eap->line1, eap->line2, n);
8147 u_clearline();
8148 beginline(BL_SOL | BL_FIX);
8149 ex_may_print(eap);
8150 }
8151
8152 /*
8153 * Print the current line if flags were given to the Ex command.
8154 */
8155 static void
8156 ex_may_print(eap)
8157 exarg_T *eap;
8158 {
8159 if (eap->flags != 0)
8160 {
8161 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8162 (eap->flags & EXFLAG_LIST));
8163 ex_no_reprint = TRUE;
8164 }
8165 }
8166
8167 /*
8168 * ":smagic" and ":snomagic".
8169 */
8170 static void
8171 ex_submagic(eap)
8172 exarg_T *eap;
8173 {
8174 int magic_save = p_magic;
8175
8176 p_magic = (eap->cmdidx == CMD_smagic);
8177 do_sub(eap);
8178 p_magic = magic_save;
8179 }
8180
8181 /*
8182 * ":join".
8183 */
8184 static void
8185 ex_join(eap)
8186 exarg_T *eap;
8187 {
8188 curwin->w_cursor.lnum = eap->line1;
8189 if (eap->line1 == eap->line2)
8190 {
8191 if (eap->addr_count >= 2) /* :2,2join does nothing */
8192 return;
8193 if (eap->line2 == curbuf->b_ml.ml_line_count)
8194 {
8195 beep_flush();
8196 return;
8197 }
8198 ++eap->line2;
8199 }
8200 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8201 beginline(BL_WHITE | BL_FIX);
8202 ex_may_print(eap);
8203 }
8204
8205 /*
8206 * ":[addr]@r" or ":[addr]*r": execute register
8207 */
8208 static void
8209 ex_at(eap)
8210 exarg_T *eap;
8211 {
8212 int c;
8213
8214 curwin->w_cursor.lnum = eap->line2;
8215
8216 #ifdef USE_ON_FLY_SCROLL
8217 dont_scroll = TRUE; /* disallow scrolling here */
8218 #endif
8219
8220 /* get the register name. No name means to use the previous one */
8221 c = *eap->arg;
8222 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8223 c = '@';
8224 /* put the register in mapbuf */
8225 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL) == FAIL)
8226 {
8227 beep_flush();
8228 }
8229 else
8230 {
8231 int save_efr = exec_from_reg;
8232
8233 exec_from_reg = TRUE;
8234
8235 /*
8236 * Execute from the typeahead buffer.
8237 * Originally this didn't check for the typeahead buffer to be empty,
8238 * thus could read more Ex commands from stdin. It's not clear why,
8239 * it is certainly unexpected.
8240 */
8241 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8242 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8243
8244 exec_from_reg = save_efr;
8245 }
8246 }
8247
8248 /*
8249 * ":!".
8250 */
8251 static void
8252 ex_bang(eap)
8253 exarg_T *eap;
8254 {
8255 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8256 }
8257
8258 /*
8259 * ":undo".
8260 */
8261 /*ARGSUSED*/
8262 static void
8263 ex_undo(eap)
8264 exarg_T *eap;
8265 {
8266 if (eap->addr_count == 1) /* :undo 123 */
8267 undo_time(eap->line2, FALSE, TRUE);
8268 else
8269 u_undo(1);
8270 }
8271
8272 /*
8273 * ":redo".
8274 */
8275 /*ARGSUSED*/
8276 static void
8277 ex_redo(eap)
8278 exarg_T *eap;
8279 {
8280 u_redo(1);
8281 }
8282
8283 /*
8284 * ":earlier" and ":later".
8285 */
8286 /*ARGSUSED*/
8287 static void
8288 ex_later(eap)
8289 exarg_T *eap;
8290 {
8291 long count = 0;
8292 int sec = FALSE;
8293 char_u *p = eap->arg;
8294
8295 if (*p == NUL)
8296 count = 1;
8297 else if (isdigit(*p))
8298 {
8299 count = getdigits(&p);
8300 switch (*p)
8301 {
8302 case 's': ++p; sec = TRUE; break;
8303 case 'm': ++p; sec = TRUE; count *= 60; break;
8304 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8305 }
8306 }
8307
8308 if (*p != NUL)
8309 EMSG2(_(e_invarg2), eap->arg);
8310 else
8311 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8312 }
8313
8314 /*
8315 * ":redir": start/stop redirection.
8316 */
8317 static void
8318 ex_redir(eap)
8319 exarg_T *eap;
8320 {
8321 char *mode;
8322 char_u *fname;
8323 char_u *arg = eap->arg;
8324
8325 if (STRICMP(eap->arg, "END") == 0)
8326 close_redir();
8327 else
8328 {
8329 if (*arg == '>')
8330 {
8331 ++arg;
8332 if (*arg == '>')
8333 {
8334 ++arg;
8335 mode = "a";
8336 }
8337 else
8338 mode = "w";
8339 arg = skipwhite(arg);
8340
8341 close_redir();
8342
8343 /* Expand environment variables and "~/". */
8344 fname = expand_env_save(arg);
8345 if (fname == NULL)
8346 return;
8347 #ifdef FEAT_BROWSE
8348 if (cmdmod.browse)
8349 {
8350 char_u *browseFile;
8351
8352 browseFile = do_browse(BROWSE_SAVE,
8353 (char_u *)_("Save Redirection"),
8354 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8355 if (browseFile == NULL)
8356 return; /* operation cancelled */
8357 vim_free(fname);
8358 fname = browseFile;
8359 eap->forceit = TRUE; /* since dialog already asked */
8360 }
8361 #endif
8362
8363 redir_fd = open_exfile(fname, eap->forceit, mode);
8364 vim_free(fname);
8365 }
8366 #ifdef FEAT_EVAL
8367 else if (*arg == '@')
8368 {
8369 /* redirect to a register a-z (resp. A-Z for appending) */
8370 close_redir();
8371 ++arg;
8372 if (ASCII_ISALPHA(*arg)
8373 # ifdef FEAT_CLIPBOARD
8374 || *arg == '*'
8375 # endif
8376 || *arg == '"')
8377 {
8378 redir_reg = *arg++;
8379 if (*arg == '>' && arg[1] == '>')
8380 arg += 2;
8381 else if ((*arg == NUL || (*arg == '>' && arg[1] == NUL)) &&
8382 (islower(redir_reg)
8383 # ifdef FEAT_CLIPBOARD
8384 || redir_reg == '*'
8385 # endif
8386 || redir_reg == '"'))
8387 {
8388 if (*arg == '>')
8389 arg++;
8390
8391 /* make register empty */
8392 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8393 }
8394 }
8395 if (*arg != NUL)
8396 {
8397 redir_reg = 0;
8398 EMSG2(_(e_invarg2), eap->arg);
8399 }
8400 }
8401 else if (*arg == '=' && arg[1] == '>')
8402 {
8403 int append;
8404
8405 /* redirect to a variable */
8406 close_redir();
8407 arg += 2;
8408
8409 if (*arg == '>')
8410 {
8411 ++arg;
8412 append = TRUE;
8413 }
8414 else
8415 append = FALSE;
8416
8417 if (var_redir_start(skipwhite(arg), append) == OK)
8418 redir_vname = 1;
8419 }
8420 #endif
8421
8422 /* TODO: redirect to a buffer */
8423
8424 else
8425 EMSG2(_(e_invarg2), eap->arg);
8426 }
8427 }
8428
8429 /*
8430 * ":redraw": force redraw
8431 */
8432 static void
8433 ex_redraw(eap)
8434 exarg_T *eap;
8435 {
8436 int r = RedrawingDisabled;
8437 int p = p_lz;
8438
8439 RedrawingDisabled = 0;
8440 p_lz = FALSE;
8441 update_topline();
8442 update_screen(eap->forceit ? CLEAR :
8443 #ifdef FEAT_VISUAL
8444 VIsual_active ? INVERTED :
8445 #endif
8446 0);
8447 #ifdef FEAT_TITLE
8448 if (need_maketitle)
8449 maketitle();
8450 #endif
8451 RedrawingDisabled = r;
8452 p_lz = p;
8453
8454 /* Reset msg_didout, so that a message that's there is overwritten. */
8455 msg_didout = FALSE;
8456 msg_col = 0;
8457
8458 out_flush();
8459 }
8460
8461 /*
8462 * ":redrawstatus": force redraw of status line(s)
8463 */
8464 /*ARGSUSED*/
8465 static void
8466 ex_redrawstatus(eap)
8467 exarg_T *eap;
8468 {
8469 #if defined(FEAT_WINDOWS)
8470 int r = RedrawingDisabled;
8471 int p = p_lz;
8472
8473 RedrawingDisabled = 0;
8474 p_lz = FALSE;
8475 if (eap->forceit)
8476 status_redraw_all();
8477 else
8478 status_redraw_curbuf();
8479 update_screen(
8480 # ifdef FEAT_VISUAL
8481 VIsual_active ? INVERTED :
8482 # endif
8483 0);
8484 RedrawingDisabled = r;
8485 p_lz = p;
8486 out_flush();
8487 #endif
8488 }
8489
8490 static void
8491 close_redir()
8492 {
8493 if (redir_fd != NULL)
8494 {
8495 fclose(redir_fd);
8496 redir_fd = NULL;
8497 }
8498 #ifdef FEAT_EVAL
8499 redir_reg = 0;
8500 if (redir_vname)
8501 {
8502 var_redir_stop();
8503 redir_vname = 0;
8504 }
8505 #endif
8506 }
8507
8508 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8509 # define MKSESSION_NL
8510 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8511 #endif
8512
8513 /*
8514 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8515 */
8516 static void
8517 ex_mkrc(eap)
8518 exarg_T *eap;
8519 {
8520 FILE *fd;
8521 int failed = FALSE;
8522 char_u *fname;
8523 #ifdef FEAT_BROWSE
8524 char_u *browseFile = NULL;
8525 #endif
8526 #ifdef FEAT_SESSION
8527 int view_session = FALSE;
8528 int using_vdir = FALSE; /* using 'viewdir'? */
8529 char_u *viewFile = NULL;
8530 unsigned *flagp;
8531 #endif
8532
8533 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8534 {
8535 #ifdef FEAT_SESSION
8536 view_session = TRUE;
8537 #else
8538 ex_ni(eap);
8539 return;
8540 #endif
8541 }
8542
8543 #ifdef FEAT_SESSION
8544 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8545 if (eap->cmdidx == CMD_mkview
8546 && (*eap->arg == NUL
8547 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8548 {
8549 eap->forceit = TRUE;
8550 fname = get_view_file(*eap->arg);
8551 if (fname == NULL)
8552 return;
8553 viewFile = fname;
8554 using_vdir = TRUE;
8555 }
8556 else
8557 #endif
8558 if (*eap->arg != NUL)
8559 fname = eap->arg;
8560 else if (eap->cmdidx == CMD_mkvimrc)
8561 fname = (char_u *)VIMRC_FILE;
8562 #ifdef FEAT_SESSION
8563 else if (eap->cmdidx == CMD_mksession)
8564 fname = (char_u *)SESSION_FILE;
8565 #endif
8566 else
8567 fname = (char_u *)EXRC_FILE;
8568
8569 #ifdef FEAT_BROWSE
8570 if (cmdmod.browse)
8571 {
8572 browseFile = do_browse(BROWSE_SAVE,
8573 # ifdef FEAT_SESSION
8574 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8575 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8576 # endif
8577 (char_u *)_("Save Setup"),
8578 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8579 if (browseFile == NULL)
8580 goto theend;
8581 fname = browseFile;
8582 eap->forceit = TRUE; /* since dialog already asked */
8583 }
8584 #endif
8585
8586 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8587 /* When using 'viewdir' may have to create the directory. */
8588 if (using_vdir && !mch_isdir(p_vdir))
8589 vim_mkdir_emsg(p_vdir, 0755);
8590 #endif
8591
8592 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8593 if (fd != NULL)
8594 {
8595 #ifdef FEAT_SESSION
8596 if (eap->cmdidx == CMD_mkview)
8597 flagp = &vop_flags;
8598 else
8599 flagp = &ssop_flags;
8600 #endif
8601
8602 #ifdef MKSESSION_NL
8603 /* "unix" in 'sessionoptions': use NL line separator */
8604 if (view_session && (*flagp & SSOP_UNIX))
8605 mksession_nl = TRUE;
8606 #endif
8607
8608 /* Write the version command for :mkvimrc */
8609 if (eap->cmdidx == CMD_mkvimrc)
8610 (void)put_line(fd, "version 6.0");
8611
8612 #ifdef FEAT_SESSION
8613 if (eap->cmdidx == CMD_mksession)
8614 {
8615 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8616 failed = TRUE;
8617 }
8618
8619 if (eap->cmdidx != CMD_mkview)
8620 #endif
8621 {
8622 /* Write setting 'compatible' first, because it has side effects.
8623 * For that same reason only do it when needed. */
8624 if (p_cp)
8625 (void)put_line(fd, "if !&cp | set cp | endif");
8626 else
8627 (void)put_line(fd, "if &cp | set nocp | endif");
8628 }
8629
8630 #ifdef FEAT_SESSION
8631 if (!view_session
8632 || (eap->cmdidx == CMD_mksession
8633 && (*flagp & SSOP_OPTIONS)))
8634 #endif
8635 failed |= (makemap(fd, NULL) == FAIL
8636 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8637
8638 #ifdef FEAT_SESSION
8639 if (!failed && view_session)
8640 {
8641 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8642 failed = TRUE;
8643 if (eap->cmdidx == CMD_mksession)
8644 {
8645 char_u dirnow[MAXPATHL]; /* current directory */
8646
8647 /*
8648 * Change to session file's dir.
8649 */
8650 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8651 || mch_chdir((char *)dirnow) != 0)
8652 *dirnow = NUL;
8653 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8654 {
8655 if (vim_chdirfile(fname) == OK)
8656 shorten_fnames(TRUE);
8657 }
8658 else if (*dirnow != NUL
8659 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8660 {
8661 (void)mch_chdir((char *)globaldir);
8662 shorten_fnames(TRUE);
8663 }
8664
8665 failed |= (makeopens(fd, dirnow) == FAIL);
8666
8667 /* restore original dir */
8668 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8669 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8670 {
8671 if (mch_chdir((char *)dirnow) != 0)
8672 EMSG(_(e_prev_dir));
8673 shorten_fnames(TRUE);
8674 }
8675 }
8676 else
8677 {
8678 failed |= (put_view(fd, curwin, !using_vdir, flagp) == FAIL);
8679 }
8680 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8681 == FAIL)
8682 failed = TRUE;
8683 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8684 failed = TRUE;
8685 if (eap->cmdidx == CMD_mksession)
8686 {
8687 if (put_line(fd, "unlet SessionLoad") == FAIL)
8688 failed = TRUE;
8689 }
8690 }
8691 #endif
8692 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8693 failed = TRUE;
8694
8695 failed |= fclose(fd);
8696
8697 if (failed)
8698 EMSG(_(e_write));
8699 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8700 else if (eap->cmdidx == CMD_mksession)
8701 {
8702 /* successful session write - set this_session var */
8703 char_u tbuf[MAXPATHL];
8704
8705 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8706 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8707 }
8708 #endif
8709 #ifdef MKSESSION_NL
8710 mksession_nl = FALSE;
8711 #endif
8712 }
8713
8714 #ifdef FEAT_BROWSE
8715 theend:
8716 vim_free(browseFile);
8717 #endif
8718 #ifdef FEAT_SESSION
8719 vim_free(viewFile);
8720 #endif
8721 }
8722
8723 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8724 || defined(PROTO)
8725 /*ARGSUSED*/
8726 int
8727 vim_mkdir_emsg(name, prot)
8728 char_u *name;
8729 int prot;
8730 {
8731 if (vim_mkdir(name, prot) != 0)
8732 {
8733 EMSG2(_("E739: Cannot create directory: %s"), name);
8734 return FAIL;
8735 }
8736 return OK;
8737 }
8738 #endif
8739
8740 /*
8741 * Open a file for writing for an Ex command, with some checks.
8742 * Return file descriptor, or NULL on failure.
8743 */
8744 FILE *
8745 open_exfile(fname, forceit, mode)
8746 char_u *fname;
8747 int forceit;
8748 char *mode; /* "w" for create new file or "a" for append */
8749 {
8750 FILE *fd;
8751
8752 #ifdef UNIX
8753 /* with Unix it is possible to open a directory */
8754 if (mch_isdir(fname))
8755 {
8756 EMSG2(_(e_isadir2), fname);
8757 return NULL;
8758 }
8759 #endif
8760 if (!forceit && *mode != 'a' && vim_fexists(fname))
8761 {
8762 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8763 return NULL;
8764 }
8765
8766 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8767 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8768
8769 return fd;
8770 }
8771
8772 /*
8773 * ":mark" and ":k".
8774 */
8775 static void
8776 ex_mark(eap)
8777 exarg_T *eap;
8778 {
8779 pos_T pos;
8780
8781 if (*eap->arg == NUL) /* No argument? */
8782 EMSG(_(e_argreq));
8783 else if (eap->arg[1] != NUL) /* more than one character? */
8784 EMSG(_(e_trailing));
8785 else
8786 {
8787 pos = curwin->w_cursor; /* save curwin->w_cursor */
8788 curwin->w_cursor.lnum = eap->line2;
8789 beginline(BL_WHITE | BL_FIX);
8790 if (setmark(*eap->arg) == FAIL) /* set mark */
8791 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8792 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8793 }
8794 }
8795
8796 /*
8797 * Update w_topline, w_leftcol and the cursor position.
8798 */
8799 void
8800 update_topline_cursor()
8801 {
8802 check_cursor(); /* put cursor on valid line */
8803 update_topline();
8804 if (!curwin->w_p_wrap)
8805 validate_cursor();
8806 update_curswant();
8807 }
8808
8809 #ifdef FEAT_EX_EXTRA
8810 /*
8811 * ":normal[!] {commands}": Execute normal mode commands.
8812 */
8813 static void
8814 ex_normal(eap)
8815 exarg_T *eap;
8816 {
8817 int save_msg_scroll = msg_scroll;
8818 int save_restart_edit = restart_edit;
8819 int save_msg_didout = msg_didout;
8820 int save_State = State;
8821 tasave_T tabuf;
8822 int save_insertmode = p_im;
8823 int save_finish_op = finish_op;
8824 #ifdef FEAT_MBYTE
8825 char_u *arg = NULL;
8826 int l;
8827 char_u *p;
8828 #endif
8829
8830 if (ex_normal_lock > 0)
8831 {
8832 EMSG(_(e_secure));
8833 return;
8834 }
8835 if (ex_normal_busy >= p_mmd)
8836 {
8837 EMSG(_("E192: Recursive use of :normal too deep"));
8838 return;
8839 }
8840 ++ex_normal_busy;
8841
8842 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8843 restart_edit = 0; /* don't go to Insert mode */
8844 p_im = FALSE; /* don't use 'insertmode' */
8845
8846 #ifdef FEAT_MBYTE
8847 /*
8848 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8849 * this for the K_SPECIAL leading byte, otherwise special keys will not
8850 * work.
8851 */
8852 if (has_mbyte)
8853 {
8854 int len = 0;
8855
8856 /* Count the number of characters to be escaped. */
8857 for (p = eap->arg; *p != NUL; ++p)
8858 {
8859 # ifdef FEAT_GUI
8860 if (*p == CSI) /* leadbyte CSI */
8861 len += 2;
8862 # endif
8863 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8864 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8865 # ifdef FEAT_GUI
8866 || *p == CSI
8867 # endif
8868 )
8869 len += 2;
8870 }
8871 if (len > 0)
8872 {
8873 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8874 if (arg != NULL)
8875 {
8876 len = 0;
8877 for (p = eap->arg; *p != NUL; ++p)
8878 {
8879 arg[len++] = *p;
8880 # ifdef FEAT_GUI
8881 if (*p == CSI)
8882 {
8883 arg[len++] = KS_EXTRA;
8884 arg[len++] = (int)KE_CSI;
8885 }
8886 # endif
8887 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8888 {
8889 arg[len++] = *++p;
8890 if (*p == K_SPECIAL)
8891 {
8892 arg[len++] = KS_SPECIAL;
8893 arg[len++] = KE_FILLER;
8894 }
8895 # ifdef FEAT_GUI
8896 else if (*p == CSI)
8897 {
8898 arg[len++] = KS_EXTRA;
8899 arg[len++] = (int)KE_CSI;
8900 }
8901 # endif
8902 }
8903 arg[len] = NUL;
8904 }
8905 }
8906 }
8907 }
8908 #endif
8909
8910 /*
8911 * Save the current typeahead. This is required to allow using ":normal"
8912 * from an event handler and makes sure we don't hang when the argument
8913 * ends with half a command.
8914 */
8915 save_typeahead(&tabuf);
8916 if (tabuf.typebuf_valid)
8917 {
8918 /*
8919 * Repeat the :normal command for each line in the range. When no
8920 * range given, execute it just once, without positioning the cursor
8921 * first.
8922 */
8923 do
8924 {
8925 if (eap->addr_count != 0)
8926 {
8927 curwin->w_cursor.lnum = eap->line1++;
8928 curwin->w_cursor.col = 0;
8929 }
8930
8931 exec_normal_cmd(
8932 #ifdef FEAT_MBYTE
8933 arg != NULL ? arg :
8934 #endif
8935 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
8936 }
8937 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
8938 }
8939
8940 /* Might not return to the main loop when in an event handler. */
8941 update_topline_cursor();
8942
8943 /* Restore the previous typeahead. */
8944 restore_typeahead(&tabuf);
8945
8946 --ex_normal_busy;
8947 msg_scroll = save_msg_scroll;
8948 restart_edit = save_restart_edit;
8949 p_im = save_insertmode;
8950 finish_op = save_finish_op;
8951 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
8952
8953 /* Restore the state (needed when called from a function executed for
8954 * 'indentexpr'). */
8955 State = save_State;
8956 #ifdef FEAT_MBYTE
8957 vim_free(arg);
8958 #endif
8959 }
8960
8961 /*
8962 * ":startinsert", ":startreplace" and ":startgreplace"
8963 */
8964 static void
8965 ex_startinsert(eap)
8966 exarg_T *eap;
8967 {
8968 if (eap->forceit)
8969 {
8970 coladvance((colnr_T)MAXCOL);
8971 curwin->w_curswant = MAXCOL;
8972 curwin->w_set_curswant = FALSE;
8973 }
8974
8975 /* Ignore the command when already in Insert mode. Inserting an
8976 * expression register that invokes a function can do this. */
8977 if (State & INSERT)
8978 return;
8979
8980 if (eap->cmdidx == CMD_startinsert)
8981 restart_edit = 'a';
8982 else if (eap->cmdidx == CMD_startreplace)
8983 restart_edit = 'R';
8984 else
8985 restart_edit = 'V';
8986
8987 if (!eap->forceit)
8988 {
8989 if (eap->cmdidx == CMD_startinsert)
8990 restart_edit = 'i';
8991 curwin->w_curswant = 0; /* avoid MAXCOL */
8992 }
8993 }
8994
8995 /*
8996 * ":stopinsert"
8997 */
8998 /*ARGSUSED*/
8999 static void
9000 ex_stopinsert(eap)
9001 exarg_T *eap;
9002 {
9003 restart_edit = 0;
9004 stop_insert_mode = TRUE;
9005 }
9006 #endif
9007
9008 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9009 /*
9010 * Execute normal mode command "cmd".
9011 * "remap" can be REMAP_NONE or REMAP_YES.
9012 */
9013 void
9014 exec_normal_cmd(cmd, remap, silent)
9015 char_u *cmd;
9016 int remap;
9017 int silent;
9018 {
9019 oparg_T oa;
9020
9021 /*
9022 * Stuff the argument into the typeahead buffer.
9023 * Execute normal_cmd() until there is no typeahead left.
9024 */
9025 clear_oparg(&oa);
9026 finish_op = FALSE;
9027 ins_typebuf(cmd, remap, 0, TRUE, silent);
9028 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9029 && !got_int)
9030 {
9031 update_topline_cursor();
9032 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9033 }
9034 }
9035 #endif
9036
9037 #ifdef FEAT_FIND_ID
9038 static void
9039 ex_checkpath(eap)
9040 exarg_T *eap;
9041 {
9042 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9043 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9044 (linenr_T)1, (linenr_T)MAXLNUM);
9045 }
9046
9047 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9048 /*
9049 * ":psearch"
9050 */
9051 static void
9052 ex_psearch(eap)
9053 exarg_T *eap;
9054 {
9055 g_do_tagpreview = p_pvh;
9056 ex_findpat(eap);
9057 g_do_tagpreview = 0;
9058 }
9059 #endif
9060
9061 static void
9062 ex_findpat(eap)
9063 exarg_T *eap;
9064 {
9065 int whole = TRUE;
9066 long n;
9067 char_u *p;
9068 int action;
9069
9070 switch (cmdnames[eap->cmdidx].cmd_name[2])
9071 {
9072 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9073 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9074 action = ACTION_GOTO;
9075 else
9076 action = ACTION_SHOW;
9077 break;
9078 case 'i': /* ":ilist" and ":dlist" */
9079 action = ACTION_SHOW_ALL;
9080 break;
9081 case 'u': /* ":ijump" and ":djump" */
9082 action = ACTION_GOTO;
9083 break;
9084 default: /* ":isplit" and ":dsplit" */
9085 action = ACTION_SPLIT;
9086 break;
9087 }
9088
9089 n = 1;
9090 if (vim_isdigit(*eap->arg)) /* get count */
9091 {
9092 n = getdigits(&eap->arg);
9093 eap->arg = skipwhite(eap->arg);
9094 }
9095 if (*eap->arg == '/') /* Match regexp, not just whole words */
9096 {
9097 whole = FALSE;
9098 ++eap->arg;
9099 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9100 if (*p)
9101 {
9102 *p++ = NUL;
9103 p = skipwhite(p);
9104
9105 /* Check for trailing illegal characters */
9106 if (!ends_excmd(*p))
9107 eap->errmsg = e_trailing;
9108 else
9109 eap->nextcmd = check_nextcmd(p);
9110 }
9111 }
9112 if (!eap->skip)
9113 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9114 whole, !eap->forceit,
9115 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9116 n, action, eap->line1, eap->line2);
9117 }
9118 #endif
9119
9120 #ifdef FEAT_WINDOWS
9121
9122 # ifdef FEAT_QUICKFIX
9123 /*
9124 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9125 */
9126 static void
9127 ex_ptag(eap)
9128 exarg_T *eap;
9129 {
9130 g_do_tagpreview = p_pvh;
9131 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9132 }
9133
9134 /*
9135 * ":pedit"
9136 */
9137 static void
9138 ex_pedit(eap)
9139 exarg_T *eap;
9140 {
9141 win_T *curwin_save = curwin;
9142
9143 g_do_tagpreview = p_pvh;
9144 prepare_tagpreview(TRUE);
9145 keep_help_flag = curwin_save->w_buffer->b_help;
9146 do_exedit(eap, NULL);
9147 keep_help_flag = FALSE;
9148 if (curwin != curwin_save && win_valid(curwin_save))
9149 {
9150 /* Return cursor to where we were */
9151 validate_cursor();
9152 redraw_later(VALID);
9153 win_enter(curwin_save, TRUE);
9154 }
9155 g_do_tagpreview = 0;
9156 }
9157 # endif
9158
9159 /*
9160 * ":stag", ":stselect" and ":stjump".
9161 */
9162 static void
9163 ex_stag(eap)
9164 exarg_T *eap;
9165 {
9166 postponed_split = -1;
9167 postponed_split_flags = cmdmod.split;
9168 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9169 postponed_split_flags = 0;
9170 }
9171 #endif
9172
9173 /*
9174 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9175 */
9176 static void
9177 ex_tag(eap)
9178 exarg_T *eap;
9179 {
9180 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9181 }
9182
9183 static void
9184 ex_tag_cmd(eap, name)
9185 exarg_T *eap;
9186 char_u *name;
9187 {
9188 int cmd;
9189
9190 switch (name[1])
9191 {
9192 case 'j': cmd = DT_JUMP; /* ":tjump" */
9193 break;
9194 case 's': cmd = DT_SELECT; /* ":tselect" */
9195 break;
9196 case 'p': cmd = DT_PREV; /* ":tprevious" */
9197 break;
9198 case 'N': cmd = DT_PREV; /* ":tNext" */
9199 break;
9200 case 'n': cmd = DT_NEXT; /* ":tnext" */
9201 break;
9202 case 'o': cmd = DT_POP; /* ":pop" */
9203 break;
9204 case 'f': /* ":tfirst" */
9205 case 'r': cmd = DT_FIRST; /* ":trewind" */
9206 break;
9207 case 'l': cmd = DT_LAST; /* ":tlast" */
9208 break;
9209 default: /* ":tag" */
9210 #ifdef FEAT_CSCOPE
9211 if (p_cst)
9212 {
9213 do_cstag(eap);
9214 return;
9215 }
9216 #endif
9217 cmd = DT_TAG;
9218 break;
9219 }
9220
9221 if (name[0] == 'l')
9222 {
9223 #ifndef FEAT_QUICKFIX
9224 ex_ni(eap);
9225 return;
9226 #else
9227 cmd = DT_LTAG;
9228 #endif
9229 }
9230
9231 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9232 eap->forceit, TRUE);
9233 }
9234
9235 /*
9236 * Evaluate cmdline variables.
9237 *
9238 * change '%' to curbuf->b_ffname
9239 * '#' to curwin->w_altfile
9240 * '<cword>' to word under the cursor
9241 * '<cWORD>' to WORD under the cursor
9242 * '<cfile>' to path name under the cursor
9243 * '<sfile>' to sourced file name
9244 * '<afile>' to file name for autocommand
9245 * '<abuf>' to buffer number for autocommand
9246 * '<amatch>' to matching name for autocommand
9247 *
9248 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9249 * "" for error without a message) and NULL is returned.
9250 * Returns an allocated string if a valid match was found.
9251 * Returns NULL if no match was found. "usedlen" then still contains the
9252 * number of characters to skip.
9253 */
9254 char_u *
9255 eval_vars(src, usedlen, lnump, errormsg, srcstart)
9256 char_u *src; /* pointer into commandline */
9257 int *usedlen; /* characters after src that are used */
9258 linenr_T *lnump; /* line number for :e command, or NULL */
9259 char_u **errormsg; /* pointer to error message */
9260 char_u *srcstart; /* beginning of valid memory for src */
9261 {
9262 int i;
9263 char_u *s;
9264 char_u *result;
9265 char_u *resultbuf = NULL;
9266 int resultlen;
9267 buf_T *buf;
9268 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9269 int spec_idx;
9270 #ifdef FEAT_MODIFY_FNAME
9271 int skip_mod = FALSE;
9272 #endif
9273 static char *(spec_str[]) =
9274 {
9275 "%",
9276 #define SPEC_PERC 0
9277 "#",
9278 #define SPEC_HASH 1
9279 "<cword>", /* cursor word */
9280 #define SPEC_CWORD 2
9281 "<cWORD>", /* cursor WORD */
9282 #define SPEC_CCWORD 3
9283 "<cfile>", /* cursor path name */
9284 #define SPEC_CFILE 4
9285 "<sfile>", /* ":so" file name */
9286 #define SPEC_SFILE 5
9287 #ifdef FEAT_AUTOCMD
9288 "<afile>", /* autocommand file name */
9289 # define SPEC_AFILE 6
9290 "<abuf>", /* autocommand buffer number */
9291 # define SPEC_ABUF 7
9292 "<amatch>", /* autocommand match name */
9293 # define SPEC_AMATCH 8
9294 #endif
9295 #ifdef FEAT_CLIENTSERVER
9296 "<client>"
9297 # define SPEC_CLIENT 9
9298 #endif
9299 };
9300 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9301
9302 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9303 char_u strbuf[30];
9304 #endif
9305
9306 *errormsg = NULL;
9307
9308 /*
9309 * Check if there is something to do.
9310 */
9311 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9312 {
9313 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9314 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9315 break;
9316 }
9317 if (spec_idx == SPEC_COUNT) /* no match */
9318 {
9319 *usedlen = 1;
9320 return NULL;
9321 }
9322
9323 /*
9324 * Skip when preceded with a backslash "\%" and "\#".
9325 * Note: In "\\%" the % is also not recognized!
9326 */
9327 if (src > srcstart && src[-1] == '\\')
9328 {
9329 *usedlen = 0;
9330 STRCPY(src - 1, src); /* remove backslash */
9331 return NULL;
9332 }
9333
9334 /*
9335 * word or WORD under cursor
9336 */
9337 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9338 {
9339 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9340 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9341 if (resultlen == 0)
9342 {
9343 *errormsg = (char_u *)"";
9344 return NULL;
9345 }
9346 }
9347
9348 /*
9349 * '#': Alternate file name
9350 * '%': Current file name
9351 * File name under the cursor
9352 * File name for autocommand
9353 * and following modifiers
9354 */
9355 else
9356 {
9357 switch (spec_idx)
9358 {
9359 case SPEC_PERC: /* '%': current file */
9360 if (curbuf->b_fname == NULL)
9361 {
9362 result = (char_u *)"";
9363 valid = 0; /* Must have ":p:h" to be valid */
9364 }
9365 else
9366 #ifdef RISCOS
9367 /* Always use the full path for RISC OS if possible. */
9368 result = curbuf->b_ffname;
9369 if (result == NULL)
9370 result = curbuf->b_fname;
9371 #else
9372 result = curbuf->b_fname;
9373 #endif
9374 break;
9375
9376 case SPEC_HASH: /* '#' or "#99": alternate file */
9377 if (src[1] == '#') /* "##": the argument list */
9378 {
9379 result = arg_all();
9380 resultbuf = result;
9381 *usedlen = 2;
9382 #ifdef FEAT_MODIFY_FNAME
9383 skip_mod = TRUE;
9384 #endif
9385 break;
9386 }
9387 s = src + 1;
9388 i = (int)getdigits(&s);
9389 *usedlen = (int)(s - src); /* length of what we expand */
9390
9391 buf = buflist_findnr(i);
9392 if (buf == NULL)
9393 {
9394 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9395 return NULL;
9396 }
9397 if (lnump != NULL)
9398 *lnump = ECMD_LAST;
9399 if (buf->b_fname == NULL)
9400 {
9401 result = (char_u *)"";
9402 valid = 0; /* Must have ":p:h" to be valid */
9403 }
9404 else
9405 result = buf->b_fname;
9406 break;
9407
9408 #ifdef FEAT_SEARCHPATH
9409 case SPEC_CFILE: /* file name under cursor */
9410 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9411 if (result == NULL)
9412 {
9413 *errormsg = (char_u *)"";
9414 return NULL;
9415 }
9416 resultbuf = result; /* remember allocated string */
9417 break;
9418 #endif
9419
9420 #ifdef FEAT_AUTOCMD
9421 case SPEC_AFILE: /* file name for autocommand */
9422 result = autocmd_fname;
9423 if (result == NULL)
9424 {
9425 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9426 return NULL;
9427 }
9428 break;
9429
9430 case SPEC_ABUF: /* buffer number for autocommand */
9431 if (autocmd_bufnr <= 0)
9432 {
9433 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9434 return NULL;
9435 }
9436 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9437 result = strbuf;
9438 break;
9439
9440 case SPEC_AMATCH: /* match name for autocommand */
9441 result = autocmd_match;
9442 if (result == NULL)
9443 {
9444 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9445 return NULL;
9446 }
9447 break;
9448
9449 #endif
9450 case SPEC_SFILE: /* file name for ":so" command */
9451 result = sourcing_name;
9452 if (result == NULL)
9453 {
9454 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9455 return NULL;
9456 }
9457 break;
9458 #if defined(FEAT_CLIENTSERVER)
9459 case SPEC_CLIENT: /* Source of last submitted input */
9460 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9461 (long_u)clientWindow);
9462 result = strbuf;
9463 break;
9464 #endif
9465 }
9466
9467 resultlen = (int)STRLEN(result); /* length of new string */
9468 if (src[*usedlen] == '<') /* remove the file name extension */
9469 {
9470 ++*usedlen;
9471 #ifdef RISCOS
9472 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9473 #else
9474 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9475 #endif
9476 resultlen = (int)(s - result);
9477 }
9478 #ifdef FEAT_MODIFY_FNAME
9479 else if (!skip_mod)
9480 {
9481 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9482 &resultlen);
9483 if (result == NULL)
9484 {
9485 *errormsg = (char_u *)"";
9486 return NULL;
9487 }
9488 }
9489 #endif
9490 }
9491
9492 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9493 {
9494 if (valid != VALID_HEAD + VALID_PATH)
9495 /* xgettext:no-c-format */
9496 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9497 else
9498 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9499 result = NULL;
9500 }
9501 else
9502 result = vim_strnsave(result, resultlen);
9503 vim_free(resultbuf);
9504 return result;
9505 }
9506
9507 /*
9508 * Concatenate all files in the argument list, separated by spaces, and return
9509 * it in one allocated string.
9510 * Spaces and backslashes in the file names are escaped with a backslash.
9511 * Returns NULL when out of memory.
9512 */
9513 static char_u *
9514 arg_all()
9515 {
9516 int len;
9517 int idx;
9518 char_u *retval = NULL;
9519 char_u *p;
9520
9521 /*
9522 * Do this loop two times:
9523 * first time: compute the total length
9524 * second time: concatenate the names
9525 */
9526 for (;;)
9527 {
9528 len = 0;
9529 for (idx = 0; idx < ARGCOUNT; ++idx)
9530 {
9531 p = alist_name(&ARGLIST[idx]);
9532 if (p != NULL)
9533 {
9534 if (len > 0)
9535 {
9536 /* insert a space in between names */
9537 if (retval != NULL)
9538 retval[len] = ' ';
9539 ++len;
9540 }
9541 for ( ; *p != NUL; ++p)
9542 {
9543 if (*p == ' ' || *p == '\\')
9544 {
9545 /* insert a backslash */
9546 if (retval != NULL)
9547 retval[len] = '\\';
9548 ++len;
9549 }
9550 if (retval != NULL)
9551 retval[len] = *p;
9552 ++len;
9553 }
9554 }
9555 }
9556
9557 /* second time: break here */
9558 if (retval != NULL)
9559 {
9560 retval[len] = NUL;
9561 break;
9562 }
9563
9564 /* allocate memory */
9565 retval = alloc(len + 1);
9566 if (retval == NULL)
9567 break;
9568 }
9569
9570 return retval;
9571 }
9572
9573 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9574 /*
9575 * Expand the <sfile> string in "arg".
9576 *
9577 * Returns an allocated string, or NULL for any error.
9578 */
9579 char_u *
9580 expand_sfile(arg)
9581 char_u *arg;
9582 {
9583 char_u *errormsg;
9584 int len;
9585 char_u *result;
9586 char_u *newres;
9587 char_u *repl;
9588 int srclen;
9589 char_u *p;
9590
9591 result = vim_strsave(arg);
9592 if (result == NULL)
9593 return NULL;
9594
9595 for (p = result; *p; )
9596 {
9597 if (STRNCMP(p, "<sfile>", 7) != 0)
9598 ++p;
9599 else
9600 {
9601 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9602 repl = eval_vars(p, &srclen, NULL, &errormsg, result);
9603 if (errormsg != NULL)
9604 {
9605 if (*errormsg)
9606 emsg(errormsg);
9607 vim_free(result);
9608 return NULL;
9609 }
9610 if (repl == NULL) /* no match (cannot happen) */
9611 {
9612 p += srclen;
9613 continue;
9614 }
9615 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9616 newres = alloc(len);
9617 if (newres == NULL)
9618 {
9619 vim_free(repl);
9620 vim_free(result);
9621 return NULL;
9622 }
9623 mch_memmove(newres, result, (size_t)(p - result));
9624 STRCPY(newres + (p - result), repl);
9625 len = (int)STRLEN(newres);
9626 STRCAT(newres, p + srclen);
9627 vim_free(repl);
9628 vim_free(result);
9629 result = newres;
9630 p = newres + len; /* continue after the match */
9631 }
9632 }
9633
9634 return result;
9635 }
9636 #endif
9637
9638 #ifdef FEAT_SESSION
9639 static int ses_winsizes __ARGS((FILE *fd, int restore_size));
9640 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9641 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9642 static int ses_do_frame __ARGS((frame_T *fr));
9643 static int ses_do_win __ARGS((win_T *wp));
9644 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9645 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9646 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9647
9648 /*
9649 * Write openfile commands for the current buffers to an .exrc file.
9650 * Return FAIL on error, OK otherwise.
9651 */
9652 static int
9653 makeopens(fd, dirnow)
9654 FILE *fd;
9655 char_u *dirnow; /* Current directory name */
9656 {
9657 buf_T *buf;
9658 int only_save_windows = TRUE;
9659 int nr;
9660 int cnr = 1;
9661 int restore_size = TRUE;
9662 win_T *wp;
9663 char_u *sname;
9664 win_T *edited_win = NULL;
9665 tabpage_T *old_curtab = curtab;
9666 int tabnr;
9667
9668 if (ssop_flags & SSOP_BUFFERS)
9669 only_save_windows = FALSE; /* Save ALL buffers */
9670
9671 /*
9672 * Begin by setting the this_session variable, and then other
9673 * sessionable variables.
9674 */
9675 #ifdef FEAT_EVAL
9676 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9677 return FAIL;
9678 if (ssop_flags & SSOP_GLOBALS)
9679 if (store_session_globals(fd) == FAIL)
9680 return FAIL;
9681 #endif
9682
9683 /*
9684 * Close all windows but one.
9685 */
9686 if (put_line(fd, "silent only") == FAIL)
9687 return FAIL;
9688
9689 /*
9690 * Now a :cd command to the session directory or the current directory
9691 */
9692 if (ssop_flags & SSOP_SESDIR)
9693 {
9694 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9695 == FAIL)
9696 return FAIL;
9697 }
9698 else if (ssop_flags & SSOP_CURDIR)
9699 {
9700 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9701 if (sname == NULL
9702 || fputs("cd ", fd) < 0
9703 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9704 || put_eol(fd) == FAIL)
9705 {
9706 vim_free(sname);
9707 return FAIL;
9708 }
9709 vim_free(sname);
9710 }
9711
9712 /*
9713 * If there is an empty, unnamed buffer we will wipe it out later.
9714 * Remember the buffer number.
9715 */
9716 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9717 return FAIL;
9718 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9719 return FAIL;
9720 if (put_line(fd, "endif") == FAIL)
9721 return FAIL;
9722
9723 /*
9724 * Now save the current files, current buffer first.
9725 */
9726 if (put_line(fd, "set shortmess=aoO") == FAIL)
9727 return FAIL;
9728
9729 /* Now put the other buffers into the buffer list */
9730 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9731 {
9732 if (!(only_save_windows && buf->b_nwindows == 0)
9733 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9734 && buf->b_fname != NULL
9735 && buf->b_p_bl)
9736 {
9737 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9738 : buf->b_wininfo->wi_fpos.lnum) < 0
9739 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9740 return FAIL;
9741 }
9742 }
9743
9744 /* the global argument list */
9745 if (ses_arglist(fd, "args", &global_alist.al_ga,
9746 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9747 return FAIL;
9748
9749 if (ssop_flags & SSOP_RESIZE)
9750 {
9751 /* Note: after the restore we still check it worked!*/
9752 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9753 || put_eol(fd) == FAIL)
9754 return FAIL;
9755 }
9756
9757 #ifdef FEAT_GUI
9758 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9759 {
9760 int x, y;
9761
9762 if (gui_mch_get_winpos(&x, &y) == OK)
9763 {
9764 /* Note: after the restore we still check it worked!*/
9765 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9766 return FAIL;
9767 }
9768 }
9769 #endif
9770
9771 /*
9772 * May repeat putting Windows for each tab, when "tabpages" is in
9773 * 'sessionoptions'.
9774 */
9775 for (tabnr = 1; ; ++tabnr)
9776 {
9777 if ((ssop_flags & SSOP_TABPAGES))
9778 {
9779 goto_tabpage(tabnr);
9780 if (tabnr > 1 && put_line(fd, "tabnew") == FAIL)
9781 return FAIL;
9782 }
9783
9784 /*
9785 * Before creating the window layout, try loading one file. If this
9786 * is aborted we don't end up with a number of useless windows.
9787 * This may have side effects! (e.g., compressed or network file).
9788 */
9789 for (wp = firstwin; wp != NULL; wp = wp->w_next)
9790 {
9791 if (ses_do_win(wp)
9792 && wp->w_buffer->b_ffname != NULL
9793 && !wp->w_buffer->b_help
9794 #ifdef FEAT_QUICKFIX
9795 && !bt_nofile(wp->w_buffer)
9796 #endif
9797 )
9798 {
9799 if (fputs("edit ", fd) < 0
9800 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9801 return FAIL;
9802 if (!wp->w_arg_idx_invalid)
9803 edited_win = wp;
9804 break;
9805 }
9806 }
9807
9808 /*
9809 * Save current window layout.
9810 */
9811 if (put_line(fd, "set splitbelow splitright") == FAIL)
9812 return FAIL;
9813 if (ses_win_rec(fd, topframe) == FAIL)
9814 return FAIL;
9815 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9816 return FAIL;
9817 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9818 return FAIL;
9819
9820 /*
9821 * Check if window sizes can be restored (no windows omitted).
9822 * Remember the window number of the current window after restoring.
9823 */
9824 nr = 0;
9825 for (wp = firstwin; wp != NULL; wp = W_NEXT(wp))
9826 {
9827 if (ses_do_win(wp))
9828 ++nr;
9829 else
9830 restore_size = FALSE;
9831 if (curwin == wp)
9832 cnr = nr;
9833 }
9834
9835 /* Go to the first window. */
9836 if (put_line(fd, "wincmd t") == FAIL)
9837 return FAIL;
9838
9839 /*
9840 * If more than one window, see if sizes can be restored.
9841 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9842 * resized when moving between windows.
9843 * Do this before restoring the view, so that the topline and the
9844 * cursor can be set. This is done again below.
9845 */
9846 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9847 return FAIL;
9848 if (nr > 1 && ses_winsizes(fd, restore_size) == FAIL)
9849 return FAIL;
9850
9851 /*
9852 * Restore the view of the window (options, file, cursor, etc.).
9853 */
9854 for (wp = firstwin; wp != NULL; wp = wp->w_next)
9855 {
9856 if (!ses_do_win(wp))
9857 continue;
9858 if (put_view(fd, wp, wp != edited_win, &ssop_flags) == FAIL)
9859 return FAIL;
9860 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
9861 return FAIL;
9862 }
9863
9864 /*
9865 * Restore cursor to the current window if it's not the first one.
9866 */
9867 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
9868 || put_eol(fd) == FAIL))
9869 return FAIL;
9870
9871 /*
9872 * Restore window sizes again after jumping around in windows, because
9873 * the current window has a minimum size while others may not.
9874 */
9875 if (nr > 1 && ses_winsizes(fd, restore_size) == FAIL)
9876 return FAIL;
9877
9878 /* Don't continue in another tab page when doing only the current one
9879 * or when at the last tab page. */
9880 if (!(ssop_flags & SSOP_TABPAGES) || curtab->tp_next == NULL)
9881 break;
9882 }
9883
9884 if (ssop_flags & SSOP_TABPAGES)
9885 {
9886 if (valid_tabpage(old_curtab))
9887 goto_tabpage_tp(old_curtab);
9888 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
9889 || put_eol(fd) == FAIL)
9890 return FAIL;
9891 }
9892
9893 /*
9894 * Wipe out an empty unnamed buffer we started in.
9895 */
9896 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
9897 return FAIL;
9898 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
9899 return FAIL;
9900 if (put_line(fd, "endif") == FAIL)
9901 return FAIL;
9902 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
9903 return FAIL;
9904
9905 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
9906 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
9907 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
9908 return FAIL;
9909
9910 /*
9911 * Lastly, execute the x.vim file if it exists.
9912 */
9913 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
9914 || put_line(fd, "if file_readable(s:sx)") == FAIL
9915 || put_line(fd, " exe \"source \" . s:sx") == FAIL
9916 || put_line(fd, "endif") == FAIL)
9917 return FAIL;
9918
9919 return OK;
9920 }
9921
9922 static int
9923 ses_winsizes(fd, restore_size)
9924 FILE *fd;
9925 int restore_size;
9926 {
9927 int n = 0;
9928 win_T *wp;
9929
9930 if (restore_size && (ssop_flags & SSOP_WINSIZE))
9931 {
9932 for (wp = firstwin; wp != NULL; wp = wp->w_next)
9933 {
9934 if (!ses_do_win(wp))
9935 continue;
9936 ++n;
9937
9938 /* restore height when not full height */
9939 if (wp->w_height + wp->w_status_height < topframe->fr_height
9940 && (fprintf(fd,
9941 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
9942 n, (long)wp->w_height, Rows / 2, Rows) < 0
9943 || put_eol(fd) == FAIL))
9944 return FAIL;
9945
9946 /* restore width when not full width */
9947 if (wp->w_width < Columns && (fprintf(fd,
9948 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
9949 n, (long)wp->w_width, Columns / 2, Columns) < 0
9950 || put_eol(fd) == FAIL))
9951 return FAIL;
9952 }
9953 }
9954 else
9955 {
9956 /* Just equalise window sizes */
9957 if (put_line(fd, "wincmd =") == FAIL)
9958 return FAIL;
9959 }
9960 return OK;
9961 }
9962
9963 /*
9964 * Write commands to "fd" to recursively create windows for frame "fr",
9965 * horizontally and vertically split.
9966 * After the commands the last window in the frame is the current window.
9967 * Returns FAIL when writing the commands to "fd" fails.
9968 */
9969 static int
9970 ses_win_rec(fd, fr)
9971 FILE *fd;
9972 frame_T *fr;
9973 {
9974 frame_T *frc;
9975 int count = 0;
9976
9977 if (fr->fr_layout != FR_LEAF)
9978 {
9979 /* Find first frame that's not skipped and then create a window for
9980 * each following one (first frame is already there). */
9981 frc = ses_skipframe(fr->fr_child);
9982 if (frc != NULL)
9983 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
9984 {
9985 /* Make window as big as possible so that we have lots of room
9986 * to split. */
9987 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
9988 || put_line(fd, fr->fr_layout == FR_COL
9989 ? "split" : "vsplit") == FAIL)
9990 return FAIL;
9991 ++count;
9992 }
9993
9994 /* Go back to the first window. */
9995 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
9996 ? "%dwincmd k" : "%dwincmd h", count) < 0
9997 || put_eol(fd) == FAIL))
9998 return FAIL;
9999
10000 /* Recursively create frames/windows in each window of this column or
10001 * row. */
10002 frc = ses_skipframe(fr->fr_child);
10003 while (frc != NULL)
10004 {
10005 ses_win_rec(fd, frc);
10006 frc = ses_skipframe(frc->fr_next);
10007 /* Go to next window. */
10008 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10009 return FAIL;
10010 }
10011 }
10012 return OK;
10013 }
10014
10015 /*
10016 * Skip frames that don't contain windows we want to save in the Session.
10017 * Returns NULL when there none.
10018 */
10019 static frame_T *
10020 ses_skipframe(fr)
10021 frame_T *fr;
10022 {
10023 frame_T *frc;
10024
10025 for (frc = fr; frc != NULL; frc = frc->fr_next)
10026 if (ses_do_frame(frc))
10027 break;
10028 return frc;
10029 }
10030
10031 /*
10032 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10033 * the Session.
10034 */
10035 static int
10036 ses_do_frame(fr)
10037 frame_T *fr;
10038 {
10039 frame_T *frc;
10040
10041 if (fr->fr_layout == FR_LEAF)
10042 return ses_do_win(fr->fr_win);
10043 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10044 if (ses_do_frame(frc))
10045 return TRUE;
10046 return FALSE;
10047 }
10048
10049 /*
10050 * Return non-zero if window "wp" is to be stored in the Session.
10051 */
10052 static int
10053 ses_do_win(wp)
10054 win_T *wp;
10055 {
10056 if (wp->w_buffer->b_fname == NULL
10057 #ifdef FEAT_QUICKFIX
10058 /* When 'buftype' is "nofile" can't restore the window contents. */
10059 || bt_nofile(wp->w_buffer)
10060 #endif
10061 )
10062 return (ssop_flags & SSOP_BLANK);
10063 if (wp->w_buffer->b_help)
10064 return (ssop_flags & SSOP_HELP);
10065 return TRUE;
10066 }
10067
10068 /*
10069 * Write commands to "fd" to restore the view of a window.
10070 * Caller must make sure 'scrolloff' is zero.
10071 */
10072 static int
10073 put_view(fd, wp, add_edit, flagp)
10074 FILE *fd;
10075 win_T *wp;
10076 int add_edit; /* add ":edit" command to view */
10077 unsigned *flagp; /* vop_flags or ssop_flags */
10078 {
10079 win_T *save_curwin;
10080 int f;
10081 int do_cursor;
10082 int did_next = FALSE;
10083
10084 /* Always restore cursor position for ":mksession". For ":mkview" only
10085 * when 'viewoptions' contains "cursor". */
10086 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10087
10088 /*
10089 * Local argument list.
10090 */
10091 if (wp->w_alist == &global_alist)
10092 {
10093 if (put_line(fd, "argglobal") == FAIL)
10094 return FAIL;
10095 }
10096 else
10097 {
10098 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10099 flagp == &vop_flags
10100 || !(*flagp & SSOP_CURDIR)
10101 || wp->w_localdir != NULL, flagp) == FAIL)
10102 return FAIL;
10103 }
10104
10105 /* Only when part of a session: restore the argument index. Some
10106 * arguments may have been deleted, check if the index is valid. */
10107 if (wp->w_arg_idx != 0 && wp->w_arg_idx <= WARGCOUNT(wp)
10108 && flagp == &ssop_flags)
10109 {
10110 if (fprintf(fd, "%ldnext", (long)wp->w_arg_idx) < 0
10111 || put_eol(fd) == FAIL)
10112 return FAIL;
10113 did_next = TRUE;
10114 }
10115
10116 /* Edit the file. Skip this when ":next" already did it. */
10117 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10118 {
10119 /*
10120 * Load the file.
10121 */
10122 if (wp->w_buffer->b_ffname != NULL
10123 #ifdef FEAT_QUICKFIX
10124 && !bt_nofile(wp->w_buffer)
10125 #endif
10126 )
10127 {
10128 /*
10129 * Editing a file in this buffer: use ":edit file".
10130 * This may have side effects! (e.g., compressed or network file).
10131 */
10132 if (fputs("edit ", fd) < 0
10133 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10134 return FAIL;
10135 }
10136 else
10137 {
10138 /* No file in this buffer, just make it empty. */
10139 if (put_line(fd, "enew") == FAIL)
10140 return FAIL;
10141 #ifdef FEAT_QUICKFIX
10142 if (wp->w_buffer->b_ffname != NULL)
10143 {
10144 /* The buffer does have a name, but it's not a file name. */
10145 if (fputs("file ", fd) < 0
10146 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10147 return FAIL;
10148 }
10149 #endif
10150 do_cursor = FALSE;
10151 }
10152 }
10153
10154 /*
10155 * Local mappings and abbreviations.
10156 */
10157 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10158 && makemap(fd, wp->w_buffer) == FAIL)
10159 return FAIL;
10160
10161 /*
10162 * Local options. Need to go to the window temporarily.
10163 * Store only local values when using ":mkview" and when ":mksession" is
10164 * used and 'sessionoptions' doesn't include "options".
10165 * Some folding options are always stored when "folds" is included,
10166 * otherwise the folds would not be restored correctly.
10167 */
10168 save_curwin = curwin;
10169 curwin = wp;
10170 curbuf = curwin->w_buffer;
10171 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10172 f = makeset(fd, OPT_LOCAL,
10173 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10174 #ifdef FEAT_FOLDING
10175 else if (*flagp & SSOP_FOLDS)
10176 f = makefoldset(fd);
10177 #endif
10178 else
10179 f = OK;
10180 curwin = save_curwin;
10181 curbuf = curwin->w_buffer;
10182 if (f == FAIL)
10183 return FAIL;
10184
10185 #ifdef FEAT_FOLDING
10186 /*
10187 * Save Folds when 'buftype' is empty and for help files.
10188 */
10189 if ((*flagp & SSOP_FOLDS)
10190 && wp->w_buffer->b_ffname != NULL
10191 # ifdef FEAT_QUICKFIX
10192 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10193 # endif
10194 )
10195 {
10196 if (put_folds(fd, wp) == FAIL)
10197 return FAIL;
10198 }
10199 #endif
10200
10201 /*
10202 * Set the cursor after creating folds, since that moves the cursor.
10203 */
10204 if (do_cursor)
10205 {
10206
10207 /* Restore the cursor line in the file and relatively in the
10208 * window. Don't use "G", it changes the jumplist. */
10209 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10210 (long)wp->w_cursor.lnum,
10211 (long)(wp->w_cursor.lnum - wp->w_topline),
10212 (long)wp->w_height / 2, (long)wp->w_height) < 0
10213 || put_eol(fd) == FAIL
10214 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10215 || put_line(fd, "exe s:l") == FAIL
10216 || put_line(fd, "normal! zt") == FAIL
10217 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10218 || put_eol(fd) == FAIL)
10219 return FAIL;
10220 /* Restore the cursor column and left offset when not wrapping. */
10221 if (wp->w_cursor.col == 0)
10222 {
10223 if (put_line(fd, "normal! 0") == FAIL)
10224 return FAIL;
10225 }
10226 else
10227 {
10228 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10229 {
10230 if (fprintf(fd,
10231 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10232 (long)wp->w_cursor.col,
10233 (long)(wp->w_cursor.col - wp->w_leftcol),
10234 (long)wp->w_width / 2, (long)wp->w_width) < 0
10235 || put_eol(fd) == FAIL
10236 || put_line(fd, "if s:c > 0") == FAIL
10237 || fprintf(fd,
10238 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10239 (long)wp->w_cursor.col) < 0
10240 || put_eol(fd) == FAIL
10241 || put_line(fd, "else") == FAIL
10242 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10243 || put_eol(fd) == FAIL
10244 || put_line(fd, "endif") == FAIL)
10245 return FAIL;
10246 }
10247 else
10248 {
10249 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10250 || put_eol(fd) == FAIL)
10251 return FAIL;
10252 }
10253 }
10254 }
10255
10256 /*
10257 * Local directory.
10258 */
10259 if (wp->w_localdir != NULL)
10260 {
10261 if (fputs("lcd ", fd) < 0
10262 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10263 || put_eol(fd) == FAIL)
10264 return FAIL;
10265 }
10266
10267 return OK;
10268 }
10269
10270 /*
10271 * Write an argument list to the session file.
10272 * Returns FAIL if writing fails.
10273 */
10274 static int
10275 ses_arglist(fd, cmd, gap, fullname, flagp)
10276 FILE *fd;
10277 char *cmd;
10278 garray_T *gap;
10279 int fullname; /* TRUE: use full path name */
10280 unsigned *flagp;
10281 {
10282 int i;
10283 char_u buf[MAXPATHL];
10284 char_u *s;
10285
10286 if (gap->ga_len == 0)
10287 return put_line(fd, "silent! argdel *");
10288 if (fputs(cmd, fd) < 0)
10289 return FAIL;
10290 for (i = 0; i < gap->ga_len; ++i)
10291 {
10292 /* NULL file names are skipped (only happens when out of memory). */
10293 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10294 if (s != NULL)
10295 {
10296 if (fullname)
10297 {
10298 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10299 s = buf;
10300 }
10301 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10302 return FAIL;
10303 }
10304 }
10305 return put_eol(fd);
10306 }
10307
10308 /*
10309 * Write a buffer name to the session file.
10310 * Also ends the line.
10311 * Returns FAIL if writing fails.
10312 */
10313 static int
10314 ses_fname(fd, buf, flagp)
10315 FILE *fd;
10316 buf_T *buf;
10317 unsigned *flagp;
10318 {
10319 char_u *name;
10320
10321 /* Use the short file name if the current directory is known at the time
10322 * the session file will be sourced. Don't do this for ":mkview", we
10323 * don't know the current directory. */
10324 if (buf->b_sfname != NULL
10325 && flagp == &ssop_flags
10326 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR)))
10327 name = buf->b_sfname;
10328 else
10329 name = buf->b_ffname;
10330 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10331 return FAIL;
10332 return OK;
10333 }
10334
10335 /*
10336 * Write a file name to the session file.
10337 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10338 * characters.
10339 * Returns FAIL if writing fails.
10340 */
10341 static int
10342 ses_put_fname(fd, name, flagp)
10343 FILE *fd;
10344 char_u *name;
10345 unsigned *flagp;
10346 {
10347 char_u *sname;
10348 int retval = OK;
10349 int c;
10350
10351 sname = home_replace_save(NULL, name);
10352 if (sname != NULL)
10353 name = sname;
10354 while (*name != NUL)
10355 {
10356 #ifdef FEAT_MBYTE
10357 {
10358 int l;
10359
10360 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10361 {
10362 /* copy a multibyte char */
10363 while (--l >= 0)
10364 {
10365 if (putc(*name, fd) != *name)
10366 retval = FAIL;
10367 ++name;
10368 }
10369 continue;
10370 }
10371 }
10372 #endif
10373 c = *name++;
10374 if (c == '\\' && (*flagp & SSOP_SLASH))
10375 /* change a backslash to a forward slash */
10376 c = '/';
10377 else if ((vim_strchr(escape_chars, c) != NULL
10378 #ifdef BACKSLASH_IN_FILENAME
10379 && c != '\\'
10380 #endif
10381 ) || c == '#' || c == '%')
10382 {
10383 /* escape a special character with a backslash */
10384 if (putc('\\', fd) != '\\')
10385 retval = FAIL;
10386 }
10387 if (putc(c, fd) != c)
10388 retval = FAIL;
10389 }
10390 vim_free(sname);
10391 return retval;
10392 }
10393
10394 /*
10395 * ":loadview [nr]"
10396 */
10397 static void
10398 ex_loadview(eap)
10399 exarg_T *eap;
10400 {
10401 char_u *fname;
10402
10403 fname = get_view_file(*eap->arg);
10404 if (fname != NULL)
10405 {
10406 do_source(fname, FALSE, DOSO_NONE);
10407 vim_free(fname);
10408 }
10409 }
10410
10411 /*
10412 * Get the name of the view file for the current buffer.
10413 */
10414 static char_u *
10415 get_view_file(c)
10416 int c;
10417 {
10418 int len = 0;
10419 char_u *p, *s;
10420 char_u *retval;
10421 char_u *sname;
10422
10423 if (curbuf->b_ffname == NULL)
10424 {
10425 EMSG(_(e_noname));
10426 return NULL;
10427 }
10428 sname = home_replace_save(NULL, curbuf->b_ffname);
10429 if (sname == NULL)
10430 return NULL;
10431
10432 /*
10433 * We want a file name without separators, because we're not going to make
10434 * a directory.
10435 * "normal" path separator -> "=+"
10436 * "=" -> "=="
10437 * ":" path separator -> "=-"
10438 */
10439 for (p = sname; *p; ++p)
10440 if (*p == '=' || vim_ispathsep(*p))
10441 ++len;
10442 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10443 if (retval != NULL)
10444 {
10445 STRCPY(retval, p_vdir);
10446 add_pathsep(retval);
10447 s = retval + STRLEN(retval);
10448 for (p = sname; *p; ++p)
10449 {
10450 if (*p == '=')
10451 {
10452 *s++ = '=';
10453 *s++ = '=';
10454 }
10455 else if (vim_ispathsep(*p))
10456 {
10457 *s++ = '=';
10458 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10459 || defined(VMS)
10460 if (*p == ':')
10461 *s++ = '-';
10462 else
10463 #endif
10464 *s++ = '+';
10465 }
10466 else
10467 *s++ = *p;
10468 }
10469 *s++ = '=';
10470 *s++ = c;
10471 STRCPY(s, ".vim");
10472 }
10473
10474 vim_free(sname);
10475 return retval;
10476 }
10477
10478 #endif /* FEAT_SESSION */
10479
10480 /*
10481 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10482 * Return FAIL for a write error.
10483 */
10484 int
10485 put_eol(fd)
10486 FILE *fd;
10487 {
10488 if (
10489 #ifdef USE_CRNL
10490 (
10491 # ifdef MKSESSION_NL
10492 !mksession_nl &&
10493 # endif
10494 (putc('\r', fd) < 0)) ||
10495 #endif
10496 (putc('\n', fd) < 0))
10497 return FAIL;
10498 return OK;
10499 }
10500
10501 /*
10502 * Write a line to "fd".
10503 * Return FAIL for a write error.
10504 */
10505 int
10506 put_line(fd, s)
10507 FILE *fd;
10508 char *s;
10509 {
10510 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10511 return FAIL;
10512 return OK;
10513 }
10514
10515 #ifdef FEAT_VIMINFO
10516 /*
10517 * ":rviminfo" and ":wviminfo".
10518 */
10519 static void
10520 ex_viminfo(eap)
10521 exarg_T *eap;
10522 {
10523 char_u *save_viminfo;
10524
10525 save_viminfo = p_viminfo;
10526 if (*p_viminfo == NUL)
10527 p_viminfo = (char_u *)"'100";
10528 if (eap->cmdidx == CMD_rviminfo)
10529 {
10530 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10531 EMSG(_("E195: Cannot open viminfo file for reading"));
10532 }
10533 else
10534 write_viminfo(eap->arg, eap->forceit);
10535 p_viminfo = save_viminfo;
10536 }
10537 #endif
10538
10539 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10540 /*
10541 * Make a dialog message in "buff[IOSIZE]".
10542 * "format" must contain "%s".
10543 */
10544 void
10545 dialog_msg(buff, format, fname)
10546 char_u *buff;
10547 char *format;
10548 char_u *fname;
10549 {
10550 if (fname == NULL)
10551 fname = (char_u *)_("Untitled");
10552 vim_snprintf((char *)buff, IOSIZE, format, fname);
10553 }
10554 #endif
10555
10556 /*
10557 * ":behave {mswin,xterm}"
10558 */
10559 static void
10560 ex_behave(eap)
10561 exarg_T *eap;
10562 {
10563 if (STRCMP(eap->arg, "mswin") == 0)
10564 {
10565 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10566 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10567 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10568 set_option_value((char_u *)"keymodel", 0L,
10569 (char_u *)"startsel,stopsel", 0);
10570 }
10571 else if (STRCMP(eap->arg, "xterm") == 0)
10572 {
10573 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10574 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10575 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10576 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10577 }
10578 else
10579 EMSG2(_(e_invarg2), eap->arg);
10580 }
10581
10582 #ifdef FEAT_AUTOCMD
10583 static int filetype_detect = FALSE;
10584 static int filetype_plugin = FALSE;
10585 static int filetype_indent = FALSE;
10586
10587 /*
10588 * ":filetype [plugin] [indent] {on,off,detect}"
10589 * on: Load the filetype.vim file to install autocommands for file types.
10590 * off: Load the ftoff.vim file to remove all autocommands for file types.
10591 * plugin on: load filetype.vim and ftplugin.vim
10592 * plugin off: load ftplugof.vim
10593 * indent on: load filetype.vim and indent.vim
10594 * indent off: load indoff.vim
10595 */
10596 static void
10597 ex_filetype(eap)
10598 exarg_T *eap;
10599 {
10600 char_u *arg = eap->arg;
10601 int plugin = FALSE;
10602 int indent = FALSE;
10603
10604 if (*eap->arg == NUL)
10605 {
10606 /* Print current status. */
10607 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10608 filetype_detect ? "ON" : "OFF",
10609 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10610 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10611 return;
10612 }
10613
10614 /* Accept "plugin" and "indent" in any order. */
10615 for (;;)
10616 {
10617 if (STRNCMP(arg, "plugin", 6) == 0)
10618 {
10619 plugin = TRUE;
10620 arg = skipwhite(arg + 6);
10621 continue;
10622 }
10623 if (STRNCMP(arg, "indent", 6) == 0)
10624 {
10625 indent = TRUE;
10626 arg = skipwhite(arg + 6);
10627 continue;
10628 }
10629 break;
10630 }
10631 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10632 {
10633 if (*arg == 'o' || !filetype_detect)
10634 {
10635 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10636 filetype_detect = TRUE;
10637 if (plugin)
10638 {
10639 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10640 filetype_plugin = TRUE;
10641 }
10642 if (indent)
10643 {
10644 source_runtime((char_u *)INDENT_FILE, TRUE);
10645 filetype_indent = TRUE;
10646 }
10647 }
10648 if (*arg == 'd')
10649 {
10650 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10651 do_modelines(0);
10652 }
10653 }
10654 else if (STRCMP(arg, "off") == 0)
10655 {
10656 if (plugin || indent)
10657 {
10658 if (plugin)
10659 {
10660 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10661 filetype_plugin = FALSE;
10662 }
10663 if (indent)
10664 {
10665 source_runtime((char_u *)INDOFF_FILE, TRUE);
10666 filetype_indent = FALSE;
10667 }
10668 }
10669 else
10670 {
10671 source_runtime((char_u *)FTOFF_FILE, TRUE);
10672 filetype_detect = FALSE;
10673 }
10674 }
10675 else
10676 EMSG2(_(e_invarg2), arg);
10677 }
10678
10679 /*
10680 * ":setfiletype {name}"
10681 */
10682 static void
10683 ex_setfiletype(eap)
10684 exarg_T *eap;
10685 {
10686 if (!did_filetype)
10687 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10688 }
10689 #endif
10690
10691 /*ARGSUSED*/
10692 static void
10693 ex_digraphs(eap)
10694 exarg_T *eap;
10695 {
10696 #ifdef FEAT_DIGRAPHS
10697 if (*eap->arg != NUL)
10698 putdigraph(eap->arg);
10699 else
10700 listdigraphs();
10701 #else
10702 EMSG(_("E196: No digraphs in this version"));
10703 #endif
10704 }
10705
10706 static void
10707 ex_set(eap)
10708 exarg_T *eap;
10709 {
10710 int flags = 0;
10711
10712 if (eap->cmdidx == CMD_setlocal)
10713 flags = OPT_LOCAL;
10714 else if (eap->cmdidx == CMD_setglobal)
10715 flags = OPT_GLOBAL;
10716 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10717 if (cmdmod.browse && flags == 0)
10718 ex_options(eap);
10719 else
10720 #endif
10721 (void)do_set(eap->arg, flags);
10722 }
10723
10724 #ifdef FEAT_SEARCH_EXTRA
10725 /*
10726 * ":nohlsearch"
10727 */
10728 /*ARGSUSED*/
10729 static void
10730 ex_nohlsearch(eap)
10731 exarg_T *eap;
10732 {
10733 no_hlsearch = TRUE;
10734 redraw_all_later(SOME_VALID);
10735 }
10736
10737 /*
10738 * ":[N]match {group} {pattern}"
10739 * Sets nextcmd to the start of the next command, if any. Also called when
10740 * skipping commands to find the next command.
10741 */
10742 static void
10743 ex_match(eap)
10744 exarg_T *eap;
10745 {
10746 char_u *p;
10747 char_u *end;
10748 int c;
10749 int mi;
10750
10751 if (eap->line2 <= 3)
10752 mi = eap->line2 - 1;
10753 else
10754 {
10755 EMSG(e_invcmd);
10756 return;
10757 }
10758
10759 /* First clear any old pattern. */
10760 if (!eap->skip)
10761 {
10762 vim_free(curwin->w_match[mi].regprog);
10763 curwin->w_match[mi].regprog = NULL;
10764 vim_free(curwin->w_match_pat[mi]);
10765 curwin->w_match_pat[mi] = NULL;
10766 redraw_later(SOME_VALID); /* always need a redraw */
10767 }
10768
10769 if (ends_excmd(*eap->arg))
10770 end = eap->arg;
10771 else if ((STRNICMP(eap->arg, "none", 4) == 0
10772 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10773 end = eap->arg + 4;
10774 else
10775 {
10776 p = skiptowhite(eap->arg);
10777 if (!eap->skip)
10778 {
10779 curwin->w_match_id[mi] = syn_namen2id(eap->arg,
10780 (int)(p - eap->arg));
10781 if (curwin->w_match_id[mi] == 0)
10782 {
10783 EMSG2(_(e_nogroup), eap->arg);
10784 return;
10785 }
10786 }
10787 p = skipwhite(p);
10788 if (*p == NUL)
10789 {
10790 /* There must be two arguments. */
10791 EMSG2(_(e_invarg2), eap->arg);
10792 return;
10793 }
10794 end = skip_regexp(p + 1, *p, TRUE, NULL);
10795 if (!eap->skip)
10796 {
10797 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10798 {
10799 eap->errmsg = e_trailing;
10800 return;
10801 }
10802 if (*end != *p)
10803 {
10804 EMSG2(_(e_invarg2), p);
10805 return;
10806 }
10807
10808 c = *end;
10809 *end = NUL;
10810 curwin->w_match[mi].regprog = vim_regcomp(p + 1, RE_MAGIC);
10811 if (curwin->w_match[mi].regprog == NULL)
10812 {
10813 EMSG2(_(e_invarg2), p);
10814 *end = c;
10815 return;
10816 }
10817 curwin->w_match_pat[mi] = vim_strsave(p + 1);
10818 *end = c;
10819 }
10820 }
10821 eap->nextcmd = find_nextcmd(end);
10822 }
10823 #endif
10824
10825 #ifdef FEAT_CRYPT
10826 /*
10827 * ":X": Get crypt key
10828 */
10829 /*ARGSUSED*/
10830 static void
10831 ex_X(eap)
10832 exarg_T *eap;
10833 {
10834 (void)get_crypt_key(TRUE, TRUE);
10835 }
10836 #endif
10837
10838 #ifdef FEAT_FOLDING
10839 static void
10840 ex_fold(eap)
10841 exarg_T *eap;
10842 {
10843 if (foldManualAllowed(TRUE))
10844 foldCreate(eap->line1, eap->line2);
10845 }
10846
10847 static void
10848 ex_foldopen(eap)
10849 exarg_T *eap;
10850 {
10851 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10852 eap->forceit, FALSE);
10853 }
10854
10855 static void
10856 ex_folddo(eap)
10857 exarg_T *eap;
10858 {
10859 linenr_T lnum;
10860
10861 /* First set the marks for all lines closed/open. */
10862 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10863 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10864 ml_setmarked(lnum);
10865
10866 /* Execute the command on the marked lines. */
10867 global_exe(eap->arg);
10868 ml_clearmarked(); /* clear rest of the marks */
10869 }
10870 #endif