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Merged from the latest developing branch.
[MacVim/KaoriYa.git] / src / ex_docmd.c
blobd5692c273c2770ad171d0f61b0848785f5f5e399
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 #ifdef HAVE_FCNTL_H
17 # include <fcntl.h> /* for chdir() */
18 #endif
19
20 static int quitmore = 0;
21 static int ex_pressedreturn = FALSE;
22 #ifndef FEAT_PRINTER
23 # define ex_hardcopy ex_ni
24 #endif
25
26 #ifdef FEAT_USR_CMDS
27 typedef struct ucmd
28 {
29 char_u *uc_name; /* The command name */
30 long_u uc_argt; /* The argument type */
31 char_u *uc_rep; /* The command's replacement string */
32 long uc_def; /* The default value for a range/count */
33 scid_T uc_scriptID; /* SID where the command was defined */
34 int uc_compl; /* completion type */
35 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
36 char_u *uc_compl_arg; /* completion argument if any */
37 # endif
38 } ucmd_T;
39
40 #define UC_BUFFER 1 /* -buffer: local to current buffer */
41
42 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
43
44 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
45 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
46
47 static void do_ucmd __ARGS((exarg_T *eap));
48 static void ex_command __ARGS((exarg_T *eap));
49 static void ex_delcommand __ARGS((exarg_T *eap));
50 # ifdef FEAT_CMDL_COMPL
51 static char_u *get_user_command_name __ARGS((int idx));
52 # endif
53
54 #else
55 # define ex_command ex_ni
56 # define ex_comclear ex_ni
57 # define ex_delcommand ex_ni
58 #endif
59
60 #ifdef FEAT_EVAL
61 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
62 #else
63 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
64 static int if_level = 0; /* depth in :if */
65 #endif
66 static char_u *find_command __ARGS((exarg_T *eap, int *full));
67
68 static void ex_abbreviate __ARGS((exarg_T *eap));
69 static void ex_map __ARGS((exarg_T *eap));
70 static void ex_unmap __ARGS((exarg_T *eap));
71 static void ex_mapclear __ARGS((exarg_T *eap));
72 static void ex_abclear __ARGS((exarg_T *eap));
73 #ifndef FEAT_MENU
74 # define ex_emenu ex_ni
75 # define ex_menu ex_ni
76 # define ex_menutranslate ex_ni
77 #endif
78 #ifdef FEAT_AUTOCMD
79 static void ex_autocmd __ARGS((exarg_T *eap));
80 static void ex_doautocmd __ARGS((exarg_T *eap));
81 #else
82 # define ex_autocmd ex_ni
83 # define ex_doautocmd ex_ni
84 # define ex_doautoall ex_ni
85 #endif
86 #ifdef FEAT_LISTCMDS
87 static void ex_bunload __ARGS((exarg_T *eap));
88 static void ex_buffer __ARGS((exarg_T *eap));
89 static void ex_bmodified __ARGS((exarg_T *eap));
90 static void ex_bnext __ARGS((exarg_T *eap));
91 static void ex_bprevious __ARGS((exarg_T *eap));
92 static void ex_brewind __ARGS((exarg_T *eap));
93 static void ex_blast __ARGS((exarg_T *eap));
94 #else
95 # define ex_bunload ex_ni
96 # define ex_buffer ex_ni
97 # define ex_bmodified ex_ni
98 # define ex_bnext ex_ni
99 # define ex_bprevious ex_ni
100 # define ex_brewind ex_ni
101 # define ex_blast ex_ni
102 # define buflist_list ex_ni
103 # define ex_checktime ex_ni
104 #endif
105 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
106 # define ex_buffer_all ex_ni
107 #endif
108 static char_u *getargcmd __ARGS((char_u **));
109 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
110 static int getargopt __ARGS((exarg_T *eap));
111 #ifndef FEAT_QUICKFIX
112 # define ex_make ex_ni
113 # define ex_cbuffer ex_ni
114 # define ex_cc ex_ni
115 # define ex_cnext ex_ni
116 # define ex_cfile ex_ni
117 # define qf_list ex_ni
118 # define qf_age ex_ni
119 # define ex_helpgrep ex_ni
120 # define ex_vimgrep ex_ni
121 #endif
122 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
123 # define ex_cclose ex_ni
124 # define ex_copen ex_ni
125 # define ex_cwindow ex_ni
126 #endif
127 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
128 # define ex_cexpr ex_ni
129 #endif
130
131 static int check_more __ARGS((int, int));
132 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
133 static void get_flags __ARGS((exarg_T *eap));
134 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
135 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
136 # define HAVE_EX_SCRIPT_NI
137 static void ex_script_ni __ARGS((exarg_T *eap));
138 #endif
139 static char_u *invalid_range __ARGS((exarg_T *eap));
140 static void correct_range __ARGS((exarg_T *eap));
141 #ifdef FEAT_QUICKFIX
142 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
143 #endif
144 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
145 static void ex_highlight __ARGS((exarg_T *eap));
146 static void ex_colorscheme __ARGS((exarg_T *eap));
147 static void ex_quit __ARGS((exarg_T *eap));
148 static void ex_cquit __ARGS((exarg_T *eap));
149 static void ex_quit_all __ARGS((exarg_T *eap));
150 #ifdef FEAT_WINDOWS
151 static void ex_close __ARGS((exarg_T *eap));
152 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
153 static void ex_only __ARGS((exarg_T *eap));
154 static void ex_resize __ARGS((exarg_T *eap));
155 static void ex_stag __ARGS((exarg_T *eap));
156 static void ex_tabclose __ARGS((exarg_T *eap));
157 static void ex_tabonly __ARGS((exarg_T *eap));
158 static void ex_tabnext __ARGS((exarg_T *eap));
159 static void ex_tabmove __ARGS((exarg_T *eap));
160 static void ex_tabs __ARGS((exarg_T *eap));
161 #else
162 # define ex_close ex_ni
163 # define ex_only ex_ni
164 # define ex_all ex_ni
165 # define ex_resize ex_ni
166 # define ex_splitview ex_ni
167 # define ex_stag ex_ni
168 # define ex_tabnext ex_ni
169 # define ex_tabmove ex_ni
170 # define ex_tabs ex_ni
171 # define ex_tabclose ex_ni
172 # define ex_tabonly ex_ni
173 #endif
174 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
175 static void ex_pclose __ARGS((exarg_T *eap));
176 static void ex_ptag __ARGS((exarg_T *eap));
177 static void ex_pedit __ARGS((exarg_T *eap));
178 #else
179 # define ex_pclose ex_ni
180 # define ex_ptag ex_ni
181 # define ex_pedit ex_ni
182 #endif
183 static void ex_hide __ARGS((exarg_T *eap));
184 static void ex_stop __ARGS((exarg_T *eap));
185 static void ex_exit __ARGS((exarg_T *eap));
186 static void ex_print __ARGS((exarg_T *eap));
187 #ifdef FEAT_BYTEOFF
188 static void ex_goto __ARGS((exarg_T *eap));
189 #else
190 # define ex_goto ex_ni
191 #endif
192 static void ex_shell __ARGS((exarg_T *eap));
193 static void ex_preserve __ARGS((exarg_T *eap));
194 static void ex_recover __ARGS((exarg_T *eap));
195 #ifndef FEAT_LISTCMDS
196 # define ex_argedit ex_ni
197 # define ex_argadd ex_ni
198 # define ex_argdelete ex_ni
199 # define ex_listdo ex_ni
200 #endif
201 static void ex_mode __ARGS((exarg_T *eap));
202 static void ex_wrongmodifier __ARGS((exarg_T *eap));
203 static void ex_find __ARGS((exarg_T *eap));
204 static void ex_open __ARGS((exarg_T *eap));
205 static void ex_edit __ARGS((exarg_T *eap));
206 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
207 # define ex_drop ex_ni
208 #endif
209 #ifndef FEAT_GUI
210 # define ex_gui ex_nogui
211 static void ex_nogui __ARGS((exarg_T *eap));
212 #endif
213 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
214 static void ex_tearoff __ARGS((exarg_T *eap));
215 #else
216 # define ex_tearoff ex_ni
217 #endif
218 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
219 static void ex_popup __ARGS((exarg_T *eap));
220 #else
221 # define ex_popup ex_ni
222 #endif
223 #ifndef FEAT_GUI_MSWIN
224 # define ex_simalt ex_ni
225 #endif
226 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
227 # define gui_mch_find_dialog ex_ni
228 # define gui_mch_replace_dialog ex_ni
229 #endif
230 #if !defined(FEAT_GUI_GTK)
231 # define ex_helpfind ex_ni
232 #endif
233 #ifndef FEAT_CSCOPE
234 # define do_cscope ex_ni
235 # define do_scscope ex_ni
236 # define do_cstag ex_ni
237 #endif
238 #ifndef FEAT_SYN_HL
239 # define ex_syntax ex_ni
240 #endif
241 #ifndef FEAT_SPELL
242 # define ex_spell ex_ni
243 # define ex_mkspell ex_ni
244 # define ex_spelldump ex_ni
245 # define ex_spellinfo ex_ni
246 # define ex_spellrepall ex_ni
247 #endif
248 #ifndef FEAT_MZSCHEME
249 # define ex_mzscheme ex_script_ni
250 # define ex_mzfile ex_ni
251 #endif
252 #ifndef FEAT_PERL
253 # define ex_perl ex_script_ni
254 # define ex_perldo ex_ni
255 #endif
256 #ifndef FEAT_PYTHON
257 # define ex_python ex_script_ni
258 # define ex_pyfile ex_ni
259 #endif
260 #ifndef FEAT_TCL
261 # define ex_tcl ex_script_ni
262 # define ex_tcldo ex_ni
263 # define ex_tclfile ex_ni
264 #endif
265 #ifndef FEAT_RUBY
266 # define ex_ruby ex_script_ni
267 # define ex_rubydo ex_ni
268 # define ex_rubyfile ex_ni
269 #endif
270 #ifndef FEAT_SNIFF
271 # define ex_sniff ex_ni
272 #endif
273 #ifndef FEAT_KEYMAP
274 # define ex_loadkeymap ex_ni
275 #endif
276 static void ex_swapname __ARGS((exarg_T *eap));
277 static void ex_syncbind __ARGS((exarg_T *eap));
278 static void ex_read __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, int current_arg_idx));
376 static void ex_loadview __ARGS((exarg_T *eap));
377 static char_u *get_view_file __ARGS((int c));
378 static int did_lcd; /* whether ":lcd" was produced for a session */
379 #else
380 # define ex_loadview ex_ni
381 #endif
382 #ifndef FEAT_EVAL
383 # define ex_compiler ex_ni
384 #endif
385 #ifdef FEAT_VIMINFO
386 static void ex_viminfo __ARGS((exarg_T *eap));
387 #else
388 # define ex_viminfo ex_ni
389 #endif
390 static void ex_behave __ARGS((exarg_T *eap));
391 #ifdef FEAT_AUTOCMD
392 static void ex_filetype __ARGS((exarg_T *eap));
393 static void ex_setfiletype __ARGS((exarg_T *eap));
394 #else
395 # define ex_filetype ex_ni
396 # define ex_setfiletype ex_ni
397 #endif
398 #ifndef FEAT_DIFF
399 # define ex_diffoff ex_ni
400 # define ex_diffpatch ex_ni
401 # define ex_diffgetput ex_ni
402 # define ex_diffsplit ex_ni
403 # define ex_diffthis ex_ni
404 # define ex_diffupdate ex_ni
405 #endif
406 static void ex_digraphs __ARGS((exarg_T *eap));
407 static void ex_set __ARGS((exarg_T *eap));
408 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
409 # define ex_options ex_ni
410 #endif
411 #ifdef FEAT_SEARCH_EXTRA
412 static void ex_nohlsearch __ARGS((exarg_T *eap));
413 static void ex_match __ARGS((exarg_T *eap));
414 #else
415 # define ex_nohlsearch ex_ni
416 # define ex_match ex_ni
417 #endif
418 #ifdef FEAT_CRYPT
419 static void ex_X __ARGS((exarg_T *eap));
420 #else
421 # define ex_X ex_ni
422 #endif
423 #ifdef FEAT_FOLDING
424 static void ex_fold __ARGS((exarg_T *eap));
425 static void ex_foldopen __ARGS((exarg_T *eap));
426 static void ex_folddo __ARGS((exarg_T *eap));
427 #else
428 # define ex_fold ex_ni
429 # define ex_foldopen ex_ni
430 # define ex_folddo ex_ni
431 #endif
432 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
433 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
434 # define ex_language ex_ni
435 #endif
436 #ifndef FEAT_SIGNS
437 # define ex_sign ex_ni
438 #endif
439 #ifndef FEAT_SUN_WORKSHOP
440 # define ex_wsverb ex_ni
441 #endif
442 #ifndef FEAT_NETBEANS_INTG
443 # define ex_nbkey ex_ni
444 #endif
445
446 #ifndef FEAT_EVAL
447 # define ex_debug ex_ni
448 # define ex_breakadd ex_ni
449 # define ex_debuggreedy ex_ni
450 # define ex_breakdel ex_ni
451 # define ex_breaklist ex_ni
452 #endif
453
454 #ifndef FEAT_CMDHIST
455 # define ex_history ex_ni
456 #endif
457 #ifndef FEAT_JUMPLIST
458 # define ex_jumps ex_ni
459 # define ex_changes ex_ni
460 #endif
461
462 #ifndef FEAT_PROFILE
463 # define ex_profile ex_ni
464 #endif
465
466 /*
467 * Declare cmdnames[].
468 */
469 #define DO_DECLARE_EXCMD
470 #include "ex_cmds.h"
471
472 /*
473 * Table used to quickly search for a command, based on its first character.
474 */
475 static cmdidx_T cmdidxs[27] =
476 {
477 CMD_append,
478 CMD_buffer,
479 CMD_change,
480 CMD_delete,
481 CMD_edit,
482 CMD_file,
483 CMD_global,
484 CMD_help,
485 CMD_insert,
486 CMD_join,
487 CMD_k,
488 CMD_list,
489 CMD_move,
490 CMD_next,
491 CMD_open,
492 CMD_print,
493 CMD_quit,
494 CMD_read,
495 CMD_substitute,
496 CMD_t,
497 CMD_undo,
498 CMD_vglobal,
499 CMD_write,
500 CMD_xit,
501 CMD_yank,
502 CMD_z,
503 CMD_bang
504 };
505
506 static char_u dollar_command[2] = {'$', 0};
507
508
509 #ifdef FEAT_EVAL
510 /* Struct for storing a line inside a while/for loop */
511 typedef struct
512 {
513 char_u *line; /* command line */
514 linenr_T lnum; /* sourcing_lnum of the line */
515 } wcmd_T;
516
517 /*
518 * Structure used to store info for line position in a while or for loop.
519 * This is required, because do_one_cmd() may invoke ex_function(), which
520 * reads more lines that may come from the while/for loop.
521 */
522 struct loop_cookie
523 {
524 garray_T *lines_gap; /* growarray with line info */
525 int current_line; /* last read line from growarray */
526 int repeating; /* TRUE when looping a second time */
527 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
528 char_u *(*getline) __ARGS((int, void *, int));
529 void *cookie;
530 };
531
532 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
533 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
534 static void free_cmdlines __ARGS((garray_T *gap));
535
536 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
537 struct dbg_stuff
538 {
539 int trylevel;
540 int force_abort;
541 except_T *caught_stack;
542 char_u *vv_exception;
543 char_u *vv_throwpoint;
544 int did_emsg;
545 int got_int;
546 int did_throw;
547 int need_rethrow;
548 int check_cstack;
549 except_T *current_exception;
550 };
551
552 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
553 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
554
555 static void
556 save_dbg_stuff(dsp)
557 struct dbg_stuff *dsp;
558 {
559 dsp->trylevel = trylevel; trylevel = 0;
560 dsp->force_abort = force_abort; force_abort = FALSE;
561 dsp->caught_stack = caught_stack; caught_stack = NULL;
562 dsp->vv_exception = v_exception(NULL);
563 dsp->vv_throwpoint = v_throwpoint(NULL);
564
565 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
566 dsp->did_emsg = did_emsg; did_emsg = FALSE;
567 dsp->got_int = got_int; got_int = FALSE;
568 dsp->did_throw = did_throw; did_throw = FALSE;
569 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
570 dsp->check_cstack = check_cstack; check_cstack = FALSE;
571 dsp->current_exception = current_exception; current_exception = NULL;
572 }
573
574 static void
575 restore_dbg_stuff(dsp)
576 struct dbg_stuff *dsp;
577 {
578 suppress_errthrow = FALSE;
579 trylevel = dsp->trylevel;
580 force_abort = dsp->force_abort;
581 caught_stack = dsp->caught_stack;
582 (void)v_exception(dsp->vv_exception);
583 (void)v_throwpoint(dsp->vv_throwpoint);
584 did_emsg = dsp->did_emsg;
585 got_int = dsp->got_int;
586 did_throw = dsp->did_throw;
587 need_rethrow = dsp->need_rethrow;
588 check_cstack = dsp->check_cstack;
589 current_exception = dsp->current_exception;
590 }
591 #endif
592
593
594 /*
595 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
596 * command is given.
597 */
598 void
599 do_exmode(improved)
600 int improved; /* TRUE for "improved Ex" mode */
601 {
602 int save_msg_scroll;
603 int prev_msg_row;
604 linenr_T prev_line;
605 int changedtick;
606
607 if (improved)
608 exmode_active = EXMODE_VIM;
609 else
610 exmode_active = EXMODE_NORMAL;
611 State = NORMAL;
612
613 /* When using ":global /pat/ visual" and then "Q" we return to continue
614 * the :global command. */
615 if (global_busy)
616 return;
617
618 save_msg_scroll = msg_scroll;
619 ++RedrawingDisabled; /* don't redisplay the window */
620 ++no_wait_return; /* don't wait for return */
621 #ifdef FEAT_GUI
622 /* Ignore scrollbar and mouse events in Ex mode */
623 ++hold_gui_events;
624 #endif
625 #ifdef FEAT_SNIFF
626 want_sniff_request = 0; /* No K_SNIFF wanted */
627 #endif
628
629 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
630 while (exmode_active)
631 {
632 #ifdef FEAT_EX_EXTRA
633 /* Check for a ":normal" command and no more characters left. */
634 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
635 {
636 exmode_active = FALSE;
637 break;
638 }
639 #endif
640 msg_scroll = TRUE;
641 need_wait_return = FALSE;
642 ex_pressedreturn = FALSE;
643 ex_no_reprint = FALSE;
644 changedtick = curbuf->b_changedtick;
645 prev_msg_row = msg_row;
646 prev_line = curwin->w_cursor.lnum;
647 #ifdef FEAT_SNIFF
648 ProcessSniffRequests();
649 #endif
650 if (improved)
651 {
652 cmdline_row = msg_row;
653 do_cmdline(NULL, getexline, NULL, 0);
654 }
655 else
656 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
657 lines_left = Rows - 1;
658
659 if ((prev_line != curwin->w_cursor.lnum
660 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
661 {
662 if (curbuf->b_ml.ml_flags & ML_EMPTY)
663 EMSG(_(e_emptybuf));
664 else
665 {
666 if (ex_pressedreturn)
667 {
668 /* go up one line, to overwrite the ":<CR>" line, so the
669 * output doesn't contain empty lines. */
670 msg_row = prev_msg_row;
671 if (prev_msg_row == Rows - 1)
672 msg_row--;
673 }
674 msg_col = 0;
675 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
676 msg_clr_eos();
677 }
678 }
679 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
680 {
681 if (curbuf->b_ml.ml_flags & ML_EMPTY)
682 EMSG(_(e_emptybuf));
683 else
684 EMSG(_("E501: At end-of-file"));
685 }
686 }
687
688 #ifdef FEAT_GUI
689 --hold_gui_events;
690 #endif
691 --RedrawingDisabled;
692 --no_wait_return;
693 update_screen(CLEAR);
694 need_wait_return = FALSE;
695 msg_scroll = save_msg_scroll;
696 }
697
698 /*
699 * Execute a simple command line. Used for translated commands like "*".
700 */
701 int
702 do_cmdline_cmd(cmd)
703 char_u *cmd;
704 {
705 return do_cmdline(cmd, NULL, NULL,
706 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
707 }
708
709 /*
710 * do_cmdline(): execute one Ex command line
711 *
712 * 1. Execute "cmdline" when it is not NULL.
713 * If "cmdline" is NULL, or more lines are needed, getline() is used.
714 * 2. Split up in parts separated with '|'.
715 *
716 * This function can be called recursively!
717 *
718 * flags:
719 * DOCMD_VERBOSE - The command will be included in the error message.
720 * DOCMD_NOWAIT - Don't call wait_return() and friends.
721 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
722 * DOCMD_KEYTYPED - Don't reset KeyTyped.
723 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
724 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
725 *
726 * return FAIL if cmdline could not be executed, OK otherwise
727 */
728 int
729 do_cmdline(cmdline, getline, cookie, flags)
730 char_u *cmdline;
731 char_u *(*getline) __ARGS((int, void *, int));
732 void *cookie; /* argument for getline() */
733 int flags;
734 {
735 char_u *next_cmdline; /* next cmd to execute */
736 char_u *cmdline_copy = NULL; /* copy of cmd line */
737 int used_getline = FALSE; /* used "getline" to obtain command */
738 static int recursive = 0; /* recursive depth */
739 int msg_didout_before_start = 0;
740 int count = 0; /* line number count */
741 int did_inc = FALSE; /* incremented RedrawingDisabled */
742 int retval = OK;
743 #ifdef FEAT_EVAL
744 struct condstack cstack; /* conditional stack */
745 garray_T lines_ga; /* keep lines for ":while"/":for" */
746 int current_line = 0; /* active line in lines_ga */
747 char_u *fname = NULL; /* function or script name */
748 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
749 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
750 struct dbg_stuff debug_saved; /* saved things for debug mode */
751 int initial_trylevel;
752 struct msglist **saved_msg_list = NULL;
753 struct msglist *private_msg_list;
754
755 /* "getline" and "cookie" passed to do_one_cmd() */
756 char_u *(*cmd_getline) __ARGS((int, void *, int));
757 void *cmd_cookie;
758 struct loop_cookie cmd_loop_cookie;
759 void *real_cookie;
760 int getline_is_func;
761 #else
762 # define cmd_getline getline
763 # define cmd_cookie cookie
764 #endif
765 static int call_depth = 0; /* recursiveness */
766
767 #ifdef FEAT_EVAL
768 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
769 * location for storing error messages to be converted to an exception.
770 * This ensures that the do_errthrow() call in do_one_cmd() does not
771 * combine the messages stored by an earlier invocation of do_one_cmd()
772 * with the command name of the later one. This would happen when
773 * BufWritePost autocommands are executed after a write error. */
774 saved_msg_list = msg_list;
775 msg_list = &private_msg_list;
776 private_msg_list = NULL;
777 #endif
778
779 /* It's possible to create an endless loop with ":execute", catch that
780 * here. The value of 200 allows nested function calls, ":source", etc. */
781 if (call_depth == 200)
782 {
783 EMSG(_("E169: Command too recursive"));
784 #ifdef FEAT_EVAL
785 /* When converting to an exception, we do not include the command name
786 * since this is not an error of the specific command. */
787 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
788 msg_list = saved_msg_list;
789 #endif
790 return FAIL;
791 }
792 ++call_depth;
793
794 #ifdef FEAT_EVAL
795 cstack.cs_idx = -1;
796 cstack.cs_looplevel = 0;
797 cstack.cs_trylevel = 0;
798 cstack.cs_emsg_silent_list = NULL;
799 cstack.cs_lflags = 0;
800 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
801
802 real_cookie = getline_cookie(getline, cookie);
803
804 /* Inside a function use a higher nesting level. */
805 getline_is_func = getline_equal(getline, cookie, get_func_line);
806 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
807 ++ex_nesting_level;
808
809 /* Get the function or script name and the address where the next breakpoint
810 * line and the debug tick for a function or script are stored. */
811 if (getline_is_func)
812 {
813 fname = func_name(real_cookie);
814 breakpoint = func_breakpoint(real_cookie);
815 dbg_tick = func_dbg_tick(real_cookie);
816 }
817 else if (getline_equal(getline, cookie, getsourceline))
818 {
819 fname = sourcing_name;
820 breakpoint = source_breakpoint(real_cookie);
821 dbg_tick = source_dbg_tick(real_cookie);
822 }
823
824 /*
825 * Initialize "force_abort" and "suppress_errthrow" at the top level.
826 */
827 if (!recursive)
828 {
829 force_abort = FALSE;
830 suppress_errthrow = FALSE;
831 }
832
833 /*
834 * If requested, store and reset the global values controlling the
835 * exception handling (used when debugging). Otherwise clear it to avoid
836 * a bogus compiler warning when the optimizer uses inline functions...
837 */
838 if (flags & DOCMD_EXCRESET)
839 save_dbg_stuff(&debug_saved);
840 else
841 memset(&debug_saved, 0, 1);
842
843 initial_trylevel = trylevel;
844
845 /*
846 * "did_throw" will be set to TRUE when an exception is being thrown.
847 */
848 did_throw = FALSE;
849 #endif
850 /*
851 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
852 * cancel the whole command line, and any if/endif or loop.
853 * If force_abort is set, we cancel everything.
854 */
855 did_emsg = FALSE;
856
857 /*
858 * KeyTyped is only set when calling vgetc(). Reset it here when not
859 * calling vgetc() (sourced command lines).
860 */
861 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
862 KeyTyped = FALSE;
863
864 /*
865 * Continue executing command lines:
866 * - when inside an ":if", ":while" or ":for"
867 * - for multiple commands on one line, separated with '|'
868 * - when repeating until there are no more lines (for ":source")
869 */
870 next_cmdline = cmdline;
871 do
872 {
873 #ifdef FEAT_EVAL
874 getline_is_func = getline_equal(getline, cookie, get_func_line);
875 #endif
876
877 /* stop skipping cmds for an error msg after all endif/while/for */
878 if (next_cmdline == NULL
879 #ifdef FEAT_EVAL
880 && !force_abort
881 && cstack.cs_idx < 0
882 && !(getline_is_func && func_has_abort(real_cookie))
883 #endif
884 )
885 did_emsg = FALSE;
886
887 /*
888 * 1. If repeating a line in a loop, get a line from lines_ga.
889 * 2. If no line given: Get an allocated line with getline().
890 * 3. If a line is given: Make a copy, so we can mess with it.
891 */
892
893 #ifdef FEAT_EVAL
894 /* 1. If repeating, get a previous line from lines_ga. */
895 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
896 {
897 /* Each '|' separated command is stored separately in lines_ga, to
898 * be able to jump to it. Don't use next_cmdline now. */
899 vim_free(cmdline_copy);
900 cmdline_copy = NULL;
901
902 /* Check if a function has returned or, unless it has an unclosed
903 * try conditional, aborted. */
904 if (getline_is_func)
905 {
906 # ifdef FEAT_PROFILE
907 if (do_profiling == PROF_YES)
908 func_line_end(real_cookie);
909 # endif
910 if (func_has_ended(real_cookie))
911 {
912 retval = FAIL;
913 break;
914 }
915 }
916 #ifdef FEAT_PROFILE
917 else if (do_profiling == PROF_YES
918 && getline_equal(getline, cookie, getsourceline))
919 script_line_end();
920 #endif
921
922 /* Check if a sourced file hit a ":finish" command. */
923 if (source_finished(getline, cookie))
924 {
925 retval = FAIL;
926 break;
927 }
928
929 /* If breakpoints have been added/deleted need to check for it. */
930 if (breakpoint != NULL && dbg_tick != NULL
931 && *dbg_tick != debug_tick)
932 {
933 *breakpoint = dbg_find_breakpoint(
934 getline_equal(getline, cookie, getsourceline),
935 fname, sourcing_lnum);
936 *dbg_tick = debug_tick;
937 }
938
939 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
940 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
941
942 /* Did we encounter a breakpoint? */
943 if (breakpoint != NULL && *breakpoint != 0
944 && *breakpoint <= sourcing_lnum)
945 {
946 dbg_breakpoint(fname, sourcing_lnum);
947 /* Find next breakpoint. */
948 *breakpoint = dbg_find_breakpoint(
949 getline_equal(getline, cookie, getsourceline),
950 fname, sourcing_lnum);
951 *dbg_tick = debug_tick;
952 }
953 # ifdef FEAT_PROFILE
954 if (do_profiling == PROF_YES)
955 {
956 if (getline_is_func)
957 func_line_start(real_cookie);
958 else if (getline_equal(getline, cookie, getsourceline))
959 script_line_start();
960 }
961 # endif
962 }
963
964 if (cstack.cs_looplevel > 0)
965 {
966 /* Inside a while/for loop we need to store the lines and use them
967 * again. Pass a different "getline" function to do_one_cmd()
968 * below, so that it stores lines in or reads them from
969 * "lines_ga". Makes it possible to define a function inside a
970 * while/for loop. */
971 cmd_getline = get_loop_line;
972 cmd_cookie = (void *)&cmd_loop_cookie;
973 cmd_loop_cookie.lines_gap = &lines_ga;
974 cmd_loop_cookie.current_line = current_line;
975 cmd_loop_cookie.getline = getline;
976 cmd_loop_cookie.cookie = cookie;
977 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
978 }
979 else
980 {
981 cmd_getline = getline;
982 cmd_cookie = cookie;
983 }
984 #endif
985
986 /* 2. If no line given, get an allocated line with getline(). */
987 if (next_cmdline == NULL)
988 {
989 /*
990 * Need to set msg_didout for the first line after an ":if",
991 * otherwise the ":if" will be overwritten.
992 */
993 if (count == 1 && getline_equal(getline, cookie, getexline))
994 msg_didout = TRUE;
995 if (getline == NULL || (next_cmdline = getline(':', cookie,
996 #ifdef FEAT_EVAL
997 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
998 #else
999 0
1000 #endif
1001 )) == NULL)
1002 {
1003 /* Don't call wait_return for aborted command line. The NULL
1004 * returned for the end of a sourced file or executed function
1005 * doesn't do this. */
1006 if (KeyTyped && !(flags & DOCMD_REPEAT))
1007 need_wait_return = FALSE;
1008 retval = FAIL;
1009 break;
1010 }
1011 used_getline = TRUE;
1012
1013 /*
1014 * Keep the first typed line. Clear it when more lines are typed.
1015 */
1016 if (flags & DOCMD_KEEPLINE)
1017 {
1018 vim_free(repeat_cmdline);
1019 if (count == 0)
1020 repeat_cmdline = vim_strsave(next_cmdline);
1021 else
1022 repeat_cmdline = NULL;
1023 }
1024 }
1025
1026 /* 3. Make a copy of the command so we can mess with it. */
1027 else if (cmdline_copy == NULL)
1028 {
1029 next_cmdline = vim_strsave(next_cmdline);
1030 if (next_cmdline == NULL)
1031 {
1032 EMSG(_(e_outofmem));
1033 retval = FAIL;
1034 break;
1035 }
1036 }
1037 cmdline_copy = next_cmdline;
1038
1039 #ifdef FEAT_EVAL
1040 /*
1041 * Save the current line when inside a ":while" or ":for", and when
1042 * the command looks like a ":while" or ":for", because we may need it
1043 * later. When there is a '|' and another command, it is stored
1044 * separately, because we need to be able to jump back to it from an
1045 * :endwhile/:endfor.
1046 */
1047 if (current_line == lines_ga.ga_len
1048 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1049 {
1050 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1051 {
1052 retval = FAIL;
1053 break;
1054 }
1055 }
1056 did_endif = FALSE;
1057 #endif
1058
1059 if (count++ == 0)
1060 {
1061 /*
1062 * All output from the commands is put below each other, without
1063 * waiting for a return. Don't do this when executing commands
1064 * from a script or when being called recursive (e.g. for ":e
1065 * +command file").
1066 */
1067 if (!(flags & DOCMD_NOWAIT) && !recursive)
1068 {
1069 msg_didout_before_start = msg_didout;
1070 msg_didany = FALSE; /* no output yet */
1071 msg_start();
1072 msg_scroll = TRUE; /* put messages below each other */
1073 ++no_wait_return; /* dont wait for return until finished */
1074 ++RedrawingDisabled;
1075 did_inc = TRUE;
1076 }
1077 }
1078
1079 if (p_verbose >= 15 && sourcing_name != NULL)
1080 {
1081 ++no_wait_return;
1082 verbose_enter_scroll();
1083
1084 smsg((char_u *)_("line %ld: %s"),
1085 (long)sourcing_lnum, cmdline_copy);
1086 if (msg_silent == 0)
1087 msg_puts((char_u *)"\n"); /* don't overwrite this */
1088
1089 verbose_leave_scroll();
1090 --no_wait_return;
1091 }
1092
1093 /*
1094 * 2. Execute one '|' separated command.
1095 * do_one_cmd() will return NULL if there is no trailing '|'.
1096 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1097 */
1098 ++recursive;
1099 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1100 #ifdef FEAT_EVAL
1101 &cstack,
1102 #endif
1103 cmd_getline, cmd_cookie);
1104 --recursive;
1105
1106 #ifdef FEAT_EVAL
1107 if (cmd_cookie == (void *)&cmd_loop_cookie)
1108 /* Use "current_line" from "cmd_loop_cookie", it may have been
1109 * incremented when defining a function. */
1110 current_line = cmd_loop_cookie.current_line;
1111 #endif
1112
1113 if (next_cmdline == NULL)
1114 {
1115 vim_free(cmdline_copy);
1116 cmdline_copy = NULL;
1117 #ifdef FEAT_CMDHIST
1118 /*
1119 * If the command was typed, remember it for the ':' register.
1120 * Do this AFTER executing the command to make :@: work.
1121 */
1122 if (getline_equal(getline, cookie, getexline)
1123 && new_last_cmdline != NULL)
1124 {
1125 vim_free(last_cmdline);
1126 last_cmdline = new_last_cmdline;
1127 new_last_cmdline = NULL;
1128 }
1129 #endif
1130 }
1131 else
1132 {
1133 /* need to copy the command after the '|' to cmdline_copy, for the
1134 * next do_one_cmd() */
1135 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
1136 next_cmdline = cmdline_copy;
1137 }
1138
1139
1140 #ifdef FEAT_EVAL
1141 /* reset did_emsg for a function that is not aborted by an error */
1142 if (did_emsg && !force_abort
1143 && getline_equal(getline, cookie, get_func_line)
1144 && !func_has_abort(real_cookie))
1145 did_emsg = FALSE;
1146
1147 if (cstack.cs_looplevel > 0)
1148 {
1149 ++current_line;
1150
1151 /*
1152 * An ":endwhile", ":endfor" and ":continue" is handled here.
1153 * If we were executing commands, jump back to the ":while" or
1154 * ":for".
1155 * If we were not executing commands, decrement cs_looplevel.
1156 */
1157 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1158 {
1159 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1160
1161 /* Jump back to the matching ":while" or ":for". Be careful
1162 * not to use a cs_line[] from an entry that isn't a ":while"
1163 * or ":for": It would make "current_line" invalid and can
1164 * cause a crash. */
1165 if (!did_emsg && !got_int && !did_throw
1166 && cstack.cs_idx >= 0
1167 && (cstack.cs_flags[cstack.cs_idx]
1168 & (CSF_WHILE | CSF_FOR))
1169 && cstack.cs_line[cstack.cs_idx] >= 0
1170 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1171 {
1172 current_line = cstack.cs_line[cstack.cs_idx];
1173 /* remember we jumped there */
1174 cstack.cs_lflags |= CSL_HAD_LOOP;
1175 line_breakcheck(); /* check if CTRL-C typed */
1176
1177 /* Check for the next breakpoint at or after the ":while"
1178 * or ":for". */
1179 if (breakpoint != NULL)
1180 {
1181 *breakpoint = dbg_find_breakpoint(
1182 getline_equal(getline, cookie, getsourceline),
1183 fname,
1184 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1185 *dbg_tick = debug_tick;
1186 }
1187 }
1188 else
1189 {
1190 /* can only get here with ":endwhile" or ":endfor" */
1191 if (cstack.cs_idx >= 0)
1192 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1193 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1194 }
1195 }
1196
1197 /*
1198 * For a ":while" or ":for" we need to remember the line number.
1199 */
1200 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1201 {
1202 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1203 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1204 }
1205 }
1206
1207 /*
1208 * When not inside any ":while" loop, clear remembered lines.
1209 */
1210 if (cstack.cs_looplevel == 0)
1211 {
1212 if (lines_ga.ga_len > 0)
1213 {
1214 sourcing_lnum =
1215 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1216 free_cmdlines(&lines_ga);
1217 }
1218 current_line = 0;
1219 }
1220
1221 /*
1222 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1223 * being restored at the ":endtry". Reset them here and set the
1224 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1225 * This includes the case where a missing ":endif", ":endwhile" or
1226 * ":endfor" was detected by the ":finally" itself.
1227 */
1228 if (cstack.cs_lflags & CSL_HAD_FINA)
1229 {
1230 cstack.cs_lflags &= ~CSL_HAD_FINA;
1231 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1232 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1233 did_throw ? (void *)current_exception : NULL);
1234 did_emsg = got_int = did_throw = FALSE;
1235 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1236 }
1237
1238 /* Update global "trylevel" for recursive calls to do_cmdline() from
1239 * within this loop. */
1240 trylevel = initial_trylevel + cstack.cs_trylevel;
1241
1242 /*
1243 * If the outermost try conditional (across function calls and sourced
1244 * files) is aborted because of an error, an interrupt, or an uncaught
1245 * exception, cancel everything. If it is left normally, reset
1246 * force_abort to get the non-EH compatible abortion behavior for
1247 * the rest of the script.
1248 */
1249 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1250 force_abort = FALSE;
1251
1252 /* Convert an interrupt to an exception if appropriate. */
1253 (void)do_intthrow(&cstack);
1254 #endif /* FEAT_EVAL */
1255
1256 }
1257 /*
1258 * Continue executing command lines when:
1259 * - no CTRL-C typed, no aborting error, no exception thrown or try
1260 * conditionals need to be checked for executing finally clauses or
1261 * catching an interrupt exception
1262 * - didn't get an error message or lines are not typed
1263 * - there is a command after '|', inside a :if, :while, :for or :try, or
1264 * looping for ":source" command or function call.
1265 */
1266 while (!((got_int
1267 #ifdef FEAT_EVAL
1268 || (did_emsg && force_abort) || did_throw
1269 #endif
1270 )
1271 #ifdef FEAT_EVAL
1272 && cstack.cs_trylevel == 0
1273 #endif
1274 )
1275 && !(did_emsg && used_getline
1276 && (getline_equal(getline, cookie, getexmodeline)
1277 || getline_equal(getline, cookie, getexline)))
1278 && (next_cmdline != NULL
1279 #ifdef FEAT_EVAL
1280 || cstack.cs_idx >= 0
1281 #endif
1282 || (flags & DOCMD_REPEAT)));
1283
1284 vim_free(cmdline_copy);
1285 #ifdef FEAT_EVAL
1286 free_cmdlines(&lines_ga);
1287 ga_clear(&lines_ga);
1288
1289 if (cstack.cs_idx >= 0)
1290 {
1291 /*
1292 * If a sourced file or executed function ran to its end, report the
1293 * unclosed conditional.
1294 */
1295 if (!got_int && !did_throw
1296 && ((getline_equal(getline, cookie, getsourceline)
1297 && !source_finished(getline, cookie))
1298 || (getline_equal(getline, cookie, get_func_line)
1299 && !func_has_ended(real_cookie))))
1300 {
1301 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1302 EMSG(_(e_endtry));
1303 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1304 EMSG(_(e_endwhile));
1305 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1306 EMSG(_(e_endfor));
1307 else
1308 EMSG(_(e_endif));
1309 }
1310
1311 /*
1312 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1313 * ":endtry" in a sourced file or executed function. If the try
1314 * conditional is in its finally clause, ignore anything pending.
1315 * If it is in a catch clause, finish the caught exception.
1316 * Also cleanup any "cs_forinfo" structures.
1317 */
1318 do
1319 {
1320 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1321
1322 if (idx >= 0)
1323 --idx; /* remove try block not in its finally clause */
1324 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1325 &cstack.cs_looplevel);
1326 }
1327 while (cstack.cs_idx >= 0);
1328 trylevel = initial_trylevel;
1329 }
1330
1331 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1332 * lack was reported above and the error message is to be converted to an
1333 * exception, do this now after rewinding the cstack. */
1334 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1335 ? (char_u *)"endfunction" : (char_u *)NULL);
1336
1337 if (trylevel == 0)
1338 {
1339 /*
1340 * When an exception is being thrown out of the outermost try
1341 * conditional, discard the uncaught exception, disable the conversion
1342 * of interrupts or errors to exceptions, and ensure that no more
1343 * commands are executed.
1344 */
1345 if (did_throw)
1346 {
1347 void *p = NULL;
1348 char_u *saved_sourcing_name;
1349 int saved_sourcing_lnum;
1350 struct msglist *messages = NULL, *next;
1351
1352 /*
1353 * If the uncaught exception is a user exception, report it as an
1354 * error. If it is an error exception, display the saved error
1355 * message now. For an interrupt exception, do nothing; the
1356 * interrupt message is given elsewhere.
1357 */
1358 switch (current_exception->type)
1359 {
1360 case ET_USER:
1361 vim_snprintf((char *)IObuff, IOSIZE,
1362 _("E605: Exception not caught: %s"),
1363 current_exception->value);
1364 p = vim_strsave(IObuff);
1365 break;
1366 case ET_ERROR:
1367 messages = current_exception->messages;
1368 current_exception->messages = NULL;
1369 break;
1370 case ET_INTERRUPT:
1371 break;
1372 default:
1373 p = vim_strsave((char_u *)_(e_internal));
1374 }
1375
1376 saved_sourcing_name = sourcing_name;
1377 saved_sourcing_lnum = sourcing_lnum;
1378 sourcing_name = current_exception->throw_name;
1379 sourcing_lnum = current_exception->throw_lnum;
1380 current_exception->throw_name = NULL;
1381
1382 discard_current_exception(); /* uses IObuff if 'verbose' */
1383 suppress_errthrow = TRUE;
1384 force_abort = TRUE;
1385
1386 if (messages != NULL)
1387 {
1388 do
1389 {
1390 next = messages->next;
1391 emsg(messages->msg);
1392 vim_free(messages->msg);
1393 vim_free(messages);
1394 messages = next;
1395 }
1396 while (messages != NULL);
1397 }
1398 else if (p != NULL)
1399 {
1400 emsg(p);
1401 vim_free(p);
1402 }
1403 vim_free(sourcing_name);
1404 sourcing_name = saved_sourcing_name;
1405 sourcing_lnum = saved_sourcing_lnum;
1406 }
1407
1408 /*
1409 * On an interrupt or an aborting error not converted to an exception,
1410 * disable the conversion of errors to exceptions. (Interrupts are not
1411 * converted any more, here.) This enables also the interrupt message
1412 * when force_abort is set and did_emsg unset in case of an interrupt
1413 * from a finally clause after an error.
1414 */
1415 else if (got_int || (did_emsg && force_abort))
1416 suppress_errthrow = TRUE;
1417 }
1418
1419 /*
1420 * The current cstack will be freed when do_cmdline() returns. An uncaught
1421 * exception will have to be rethrown in the previous cstack. If a function
1422 * has just returned or a script file was just finished and the previous
1423 * cstack belongs to the same function or, respectively, script file, it
1424 * will have to be checked for finally clauses to be executed due to the
1425 * ":return" or ":finish". This is done in do_one_cmd().
1426 */
1427 if (did_throw)
1428 need_rethrow = TRUE;
1429 if ((getline_equal(getline, cookie, getsourceline)
1430 && ex_nesting_level > source_level(real_cookie))
1431 || (getline_equal(getline, cookie, get_func_line)
1432 && ex_nesting_level > func_level(real_cookie) + 1))
1433 {
1434 if (!did_throw)
1435 check_cstack = TRUE;
1436 }
1437 else
1438 {
1439 /* When leaving a function, reduce nesting level. */
1440 if (getline_equal(getline, cookie, get_func_line))
1441 --ex_nesting_level;
1442 /*
1443 * Go to debug mode when returning from a function in which we are
1444 * single-stepping.
1445 */
1446 if ((getline_equal(getline, cookie, getsourceline)
1447 || getline_equal(getline, cookie, get_func_line))
1448 && ex_nesting_level + 1 <= debug_break_level)
1449 do_debug(getline_equal(getline, cookie, getsourceline)
1450 ? (char_u *)_("End of sourced file")
1451 : (char_u *)_("End of function"));
1452 }
1453
1454 /*
1455 * Restore the exception environment (done after returning from the
1456 * debugger).
1457 */
1458 if (flags & DOCMD_EXCRESET)
1459 restore_dbg_stuff(&debug_saved);
1460
1461 msg_list = saved_msg_list;
1462 #endif /* FEAT_EVAL */
1463
1464 /*
1465 * If there was too much output to fit on the command line, ask the user to
1466 * hit return before redrawing the screen. With the ":global" command we do
1467 * this only once after the command is finished.
1468 */
1469 if (did_inc)
1470 {
1471 --RedrawingDisabled;
1472 --no_wait_return;
1473 msg_scroll = FALSE;
1474
1475 /*
1476 * When just finished an ":if"-":else" which was typed, no need to
1477 * wait for hit-return. Also for an error situation.
1478 */
1479 if (retval == FAIL
1480 #ifdef FEAT_EVAL
1481 || (did_endif && KeyTyped && !did_emsg)
1482 #endif
1483 )
1484 {
1485 need_wait_return = FALSE;
1486 msg_didany = FALSE; /* don't wait when restarting edit */
1487 }
1488 else if (need_wait_return)
1489 {
1490 /*
1491 * The msg_start() above clears msg_didout. The wait_return we do
1492 * here should not overwrite the command that may be shown before
1493 * doing that.
1494 */
1495 msg_didout |= msg_didout_before_start;
1496 wait_return(FALSE);
1497 }
1498 }
1499
1500 #ifndef FEAT_EVAL
1501 /*
1502 * Reset if_level, in case a sourced script file contains more ":if" than
1503 * ":endif" (could be ":if x | foo | endif").
1504 */
1505 if_level = 0;
1506 #endif
1507
1508 --call_depth;
1509 return retval;
1510 }
1511
1512 #ifdef FEAT_EVAL
1513 /*
1514 * Obtain a line when inside a ":while" or ":for" loop.
1515 */
1516 static char_u *
1517 get_loop_line(c, cookie, indent)
1518 int c;
1519 void *cookie;
1520 int indent;
1521 {
1522 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1523 wcmd_T *wp;
1524 char_u *line;
1525
1526 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1527 {
1528 if (cp->repeating)
1529 return NULL; /* trying to read past ":endwhile"/":endfor" */
1530
1531 /* First time inside the ":while"/":for": get line normally. */
1532 if (cp->getline == NULL)
1533 line = getcmdline(c, 0L, indent);
1534 else
1535 line = cp->getline(c, cp->cookie, indent);
1536 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1537 ++cp->current_line;
1538
1539 return line;
1540 }
1541
1542 KeyTyped = FALSE;
1543 ++cp->current_line;
1544 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1545 sourcing_lnum = wp->lnum;
1546 return vim_strsave(wp->line);
1547 }
1548
1549 /*
1550 * Store a line in "gap" so that a ":while" loop can execute it again.
1551 */
1552 static int
1553 store_loop_line(gap, line)
1554 garray_T *gap;
1555 char_u *line;
1556 {
1557 if (ga_grow(gap, 1) == FAIL)
1558 return FAIL;
1559 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1560 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1561 ++gap->ga_len;
1562 return OK;
1563 }
1564
1565 /*
1566 * Free the lines stored for a ":while" or ":for" loop.
1567 */
1568 static void
1569 free_cmdlines(gap)
1570 garray_T *gap;
1571 {
1572 while (gap->ga_len > 0)
1573 {
1574 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1575 --gap->ga_len;
1576 }
1577 }
1578 #endif
1579
1580 /*
1581 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1582 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1583 */
1584 /*ARGSUSED*/
1585 int
1586 getline_equal(fgetline, cookie, func)
1587 char_u *(*fgetline) __ARGS((int, void *, int));
1588 void *cookie; /* argument for fgetline() */
1589 char_u *(*func) __ARGS((int, void *, int));
1590 {
1591 #ifdef FEAT_EVAL
1592 char_u *(*gp) __ARGS((int, void *, int));
1593 struct loop_cookie *cp;
1594
1595 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1596 * function that's originally used to obtain the lines. This may be
1597 * nested several levels. */
1598 gp = fgetline;
1599 cp = (struct loop_cookie *)cookie;
1600 while (gp == get_loop_line)
1601 {
1602 gp = cp->getline;
1603 cp = cp->cookie;
1604 }
1605 return gp == func;
1606 #else
1607 return fgetline == func;
1608 #endif
1609 }
1610
1611 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1612 /*
1613 * If "fgetline" is get_loop_line(), return the cookie used by the original
1614 * getline function. Otherwise return "cookie".
1615 */
1616 /*ARGSUSED*/
1617 void *
1618 getline_cookie(fgetline, cookie)
1619 char_u *(*fgetline) __ARGS((int, void *, int));
1620 void *cookie; /* argument for fgetline() */
1621 {
1622 # ifdef FEAT_EVAL
1623 char_u *(*gp) __ARGS((int, void *, int));
1624 struct loop_cookie *cp;
1625
1626 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1627 * cookie that's originally used to obtain the lines. This may be nested
1628 * several levels. */
1629 gp = fgetline;
1630 cp = (struct loop_cookie *)cookie;
1631 while (gp == get_loop_line)
1632 {
1633 gp = cp->getline;
1634 cp = cp->cookie;
1635 }
1636 return cp;
1637 # else
1638 return cookie;
1639 # endif
1640 }
1641 #endif
1642
1643 /*
1644 * Execute one Ex command.
1645 *
1646 * If 'sourcing' is TRUE, the command will be included in the error message.
1647 *
1648 * 1. skip comment lines and leading space
1649 * 2. handle command modifiers
1650 * 3. parse range
1651 * 4. parse command
1652 * 5. parse arguments
1653 * 6. switch on command name
1654 *
1655 * Note: "fgetline" can be NULL.
1656 *
1657 * This function may be called recursively!
1658 */
1659 #if (_MSC_VER == 1200)
1660 /*
1661 * Avoid optimisation bug in VC++ version 6.0
1662 */
1663 #pragma optimize( "g", off )
1664 #endif
1665 static char_u *
1666 do_one_cmd(cmdlinep, sourcing,
1667 #ifdef FEAT_EVAL
1668 cstack,
1669 #endif
1670 fgetline, cookie)
1671 char_u **cmdlinep;
1672 int sourcing;
1673 #ifdef FEAT_EVAL
1674 struct condstack *cstack;
1675 #endif
1676 char_u *(*fgetline) __ARGS((int, void *, int));
1677 void *cookie; /* argument for fgetline() */
1678 {
1679 char_u *p;
1680 linenr_T lnum;
1681 long n;
1682 char_u *errormsg = NULL; /* error message */
1683 exarg_T ea; /* Ex command arguments */
1684 long verbose_save = -1;
1685 int save_msg_scroll = 0;
1686 int did_silent = 0;
1687 int did_esilent = 0;
1688 #ifdef HAVE_SANDBOX
1689 int did_sandbox = FALSE;
1690 #endif
1691 cmdmod_T save_cmdmod;
1692 int ni; /* set when Not Implemented */
1693
1694 vim_memset(&ea, 0, sizeof(ea));
1695 ea.line1 = 1;
1696 ea.line2 = 1;
1697 #ifdef FEAT_EVAL
1698 ++ex_nesting_level;
1699 #endif
1700
1701 /* when not editing the last file :q has to be typed twice */
1702 if (quitmore
1703 #ifdef FEAT_EVAL
1704 /* avoid that a function call in 'statusline' does this */
1705 && !getline_equal(fgetline, cookie, get_func_line)
1706 #endif
1707 )
1708 --quitmore;
1709
1710 /*
1711 * Reset browse, confirm, etc.. They are restored when returning, for
1712 * recursive calls.
1713 */
1714 save_cmdmod = cmdmod;
1715 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1716
1717 /* "#!anything" is handled like a comment. */
1718 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1719 goto doend;
1720
1721 /*
1722 * Repeat until no more command modifiers are found.
1723 */
1724 ea.cmd = *cmdlinep;
1725 for (;;)
1726 {
1727 /*
1728 * 1. skip comment lines and leading white space and colons
1729 */
1730 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1731 ++ea.cmd;
1732
1733 /* in ex mode, an empty line works like :+ */
1734 if (*ea.cmd == NUL && exmode_active
1735 && (getline_equal(fgetline, cookie, getexmodeline)
1736 || getline_equal(fgetline, cookie, getexline))
1737 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1738 {
1739 ea.cmd = (char_u *)"+";
1740 ex_pressedreturn = TRUE;
1741 }
1742
1743 /* ignore comment and empty lines */
1744 if (*ea.cmd == '"')
1745 goto doend;
1746 if (*ea.cmd == NUL)
1747 {
1748 ex_pressedreturn = TRUE;
1749 goto doend;
1750 }
1751
1752 /*
1753 * 2. handle command modifiers.
1754 */
1755 p = ea.cmd;
1756 if (VIM_ISDIGIT(*ea.cmd))
1757 p = skipwhite(skipdigits(ea.cmd));
1758 switch (*p)
1759 {
1760 /* When adding an entry, also modify cmd_exists(). */
1761 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1762 break;
1763 #ifdef FEAT_WINDOWS
1764 cmdmod.split |= WSP_ABOVE;
1765 #endif
1766 continue;
1767
1768 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1769 {
1770 #ifdef FEAT_WINDOWS
1771 cmdmod.split |= WSP_BELOW;
1772 #endif
1773 continue;
1774 }
1775 if (checkforcmd(&ea.cmd, "browse", 3))
1776 {
1777 #ifdef FEAT_BROWSE
1778 cmdmod.browse = TRUE;
1779 #endif
1780 continue;
1781 }
1782 if (!checkforcmd(&ea.cmd, "botright", 2))
1783 break;
1784 #ifdef FEAT_WINDOWS
1785 cmdmod.split |= WSP_BOT;
1786 #endif
1787 continue;
1788
1789 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1790 break;
1791 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1792 cmdmod.confirm = TRUE;
1793 #endif
1794 continue;
1795
1796 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1797 {
1798 cmdmod.keepmarks = TRUE;
1799 continue;
1800 }
1801 if (checkforcmd(&ea.cmd, "keepalt", 5))
1802 {
1803 cmdmod.keepalt = TRUE;
1804 continue;
1805 }
1806 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1807 break;
1808 cmdmod.keepjumps = TRUE;
1809 continue;
1810
1811 /* ":hide" and ":hide | cmd" are not modifiers */
1812 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1813 || *p == NUL || ends_excmd(*p))
1814 break;
1815 ea.cmd = p;
1816 cmdmod.hide = TRUE;
1817 continue;
1818
1819 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1820 {
1821 cmdmod.lockmarks = TRUE;
1822 continue;
1823 }
1824
1825 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1826 break;
1827 #ifdef FEAT_WINDOWS
1828 cmdmod.split |= WSP_ABOVE;
1829 #endif
1830 continue;
1831
1832 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1833 break;
1834 #ifdef FEAT_AUTOCMD
1835 if (cmdmod.save_ei == NULL)
1836 {
1837 /* Set 'eventignore' to "all". Restore the
1838 * existing option value later. */
1839 cmdmod.save_ei = vim_strsave(p_ei);
1840 set_string_option_direct((char_u *)"ei", -1,
1841 (char_u *)"all", OPT_FREE, SID_NONE);
1842 }
1843 #endif
1844 continue;
1845
1846 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1847 break;
1848 #ifdef FEAT_WINDOWS
1849 cmdmod.split |= WSP_BELOW;
1850 #endif
1851 continue;
1852
1853 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1854 {
1855 #ifdef HAVE_SANDBOX
1856 if (!did_sandbox)
1857 ++sandbox;
1858 did_sandbox = TRUE;
1859 #endif
1860 continue;
1861 }
1862 if (!checkforcmd(&ea.cmd, "silent", 3))
1863 break;
1864 ++did_silent;
1865 ++msg_silent;
1866 save_msg_scroll = msg_scroll;
1867 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1868 {
1869 /* ":silent!", but not "silent !cmd" */
1870 ea.cmd = skipwhite(ea.cmd + 1);
1871 ++emsg_silent;
1872 ++did_esilent;
1873 }
1874 continue;
1875
1876 case 't': if (checkforcmd(&p, "tab", 3))
1877 {
1878 #ifdef FEAT_WINDOWS
1879 if (vim_isdigit(*ea.cmd))
1880 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1881 else
1882 cmdmod.tab = tabpage_index(curtab) + 1;
1883 ea.cmd = p;
1884 #endif
1885 continue;
1886 }
1887 if (!checkforcmd(&ea.cmd, "topleft", 2))
1888 break;
1889 #ifdef FEAT_WINDOWS
1890 cmdmod.split |= WSP_TOP;
1891 #endif
1892 continue;
1893
1894 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1895 {
1896 #ifdef FEAT_VERTSPLIT
1897 cmdmod.split |= WSP_VERT;
1898 #endif
1899 continue;
1900 }
1901 if (!checkforcmd(&p, "verbose", 4))
1902 break;
1903 if (verbose_save < 0)
1904 verbose_save = p_verbose;
1905 if (vim_isdigit(*ea.cmd))
1906 p_verbose = atoi((char *)ea.cmd);
1907 else
1908 p_verbose = 1;
1909 ea.cmd = p;
1910 continue;
1911 }
1912 break;
1913 }
1914
1915 #ifdef FEAT_EVAL
1916 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1917 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1918 #else
1919 ea.skip = (if_level > 0);
1920 #endif
1921
1922 #ifdef FEAT_EVAL
1923 # ifdef FEAT_PROFILE
1924 /* Count this line for profiling if ea.skip is FALSE. */
1925 if (do_profiling == PROF_YES && !ea.skip)
1926 {
1927 if (getline_equal(fgetline, cookie, get_func_line))
1928 func_line_exec(getline_cookie(fgetline, cookie));
1929 else if (getline_equal(fgetline, cookie, getsourceline))
1930 script_line_exec();
1931 }
1932 #endif
1933
1934 /* May go to debug mode. If this happens and the ">quit" debug command is
1935 * used, throw an interrupt exception and skip the next command. */
1936 dbg_check_breakpoint(&ea);
1937 if (!ea.skip && got_int)
1938 {
1939 ea.skip = TRUE;
1940 (void)do_intthrow(cstack);
1941 }
1942 #endif
1943
1944 /*
1945 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1946 *
1947 * where 'addr' is:
1948 *
1949 * % (entire file)
1950 * $ [+-NUM]
1951 * 'x [+-NUM] (where x denotes a currently defined mark)
1952 * . [+-NUM]
1953 * [+-NUM]..
1954 * NUM
1955 *
1956 * The ea.cmd pointer is updated to point to the first character following the
1957 * range spec. If an initial address is found, but no second, the upper bound
1958 * is equal to the lower.
1959 */
1960
1961 /* repeat for all ',' or ';' separated addresses */
1962 for (;;)
1963 {
1964 ea.line1 = ea.line2;
1965 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1966 ea.cmd = skipwhite(ea.cmd);
1967 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1968 if (ea.cmd == NULL) /* error detected */
1969 goto doend;
1970 if (lnum == MAXLNUM)
1971 {
1972 if (*ea.cmd == '%') /* '%' - all lines */
1973 {
1974 ++ea.cmd;
1975 ea.line1 = 1;
1976 ea.line2 = curbuf->b_ml.ml_line_count;
1977 ++ea.addr_count;
1978 }
1979 /* '*' - visual area */
1980 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1981 {
1982 pos_T *fp;
1983
1984 ++ea.cmd;
1985 if (!ea.skip)
1986 {
1987 fp = getmark('<', FALSE);
1988 if (check_mark(fp) == FAIL)
1989 goto doend;
1990 ea.line1 = fp->lnum;
1991 fp = getmark('>', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line2 = fp->lnum;
1995 ++ea.addr_count;
1996 }
1997 }
1998 }
1999 else
2000 ea.line2 = lnum;
2001 ea.addr_count++;
2002
2003 if (*ea.cmd == ';')
2004 {
2005 if (!ea.skip)
2006 curwin->w_cursor.lnum = ea.line2;
2007 }
2008 else if (*ea.cmd != ',')
2009 break;
2010 ++ea.cmd;
2011 }
2012
2013 /* One address given: set start and end lines */
2014 if (ea.addr_count == 1)
2015 {
2016 ea.line1 = ea.line2;
2017 /* ... but only implicit: really no address given */
2018 if (lnum == MAXLNUM)
2019 ea.addr_count = 0;
2020 }
2021
2022 /* Don't leave the cursor on an illegal line (caused by ';') */
2023 check_cursor_lnum();
2024
2025 /*
2026 * 4. parse command
2027 */
2028
2029 /*
2030 * Skip ':' and any white space
2031 */
2032 ea.cmd = skipwhite(ea.cmd);
2033 while (*ea.cmd == ':')
2034 ea.cmd = skipwhite(ea.cmd + 1);
2035
2036 /*
2037 * If we got a line, but no command, then go to the line.
2038 * If we find a '|' or '\n' we set ea.nextcmd.
2039 */
2040 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2041 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2042 {
2043 /*
2044 * strange vi behaviour:
2045 * ":3" jumps to line 3
2046 * ":3|..." prints line 3
2047 * ":|" prints current line
2048 */
2049 if (ea.skip) /* skip this if inside :if */
2050 goto doend;
2051 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2052 {
2053 ea.cmdidx = CMD_print;
2054 ea.argt = RANGE+COUNT+TRLBAR;
2055 if ((errormsg = invalid_range(&ea)) == NULL)
2056 {
2057 correct_range(&ea);
2058 ex_print(&ea);
2059 }
2060 }
2061 else if (ea.addr_count != 0)
2062 {
2063 if (ea.line2 > curbuf->b_ml.ml_line_count)
2064 {
2065 /* With '-' in 'cpoptions' a line number past the file is an
2066 * error, otherwise put it at the end of the file. */
2067 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2068 ea.line2 = -1;
2069 else
2070 ea.line2 = curbuf->b_ml.ml_line_count;
2071 }
2072
2073 if (ea.line2 < 0)
2074 errormsg = (char_u *)_(e_invrange);
2075 else
2076 {
2077 if (ea.line2 == 0)
2078 curwin->w_cursor.lnum = 1;
2079 else
2080 curwin->w_cursor.lnum = ea.line2;
2081 beginline(BL_SOL | BL_FIX);
2082 }
2083 }
2084 goto doend;
2085 }
2086
2087 /* Find the command and let "p" point to after it. */
2088 p = find_command(&ea, NULL);
2089
2090 #ifdef FEAT_USR_CMDS
2091 if (p == NULL)
2092 {
2093 if (!ea.skip)
2094 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2095 goto doend;
2096 }
2097 /* Check for wrong commands. */
2098 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2099 {
2100 errormsg = uc_fun_cmd();
2101 goto doend;
2102 }
2103 #endif
2104 if (ea.cmdidx == CMD_SIZE)
2105 {
2106 if (!ea.skip)
2107 {
2108 STRCPY(IObuff, _("E492: Not an editor command"));
2109 if (!sourcing)
2110 {
2111 STRCAT(IObuff, ": ");
2112 STRNCAT(IObuff, *cmdlinep, 40);
2113 }
2114 errormsg = IObuff;
2115 }
2116 goto doend;
2117 }
2118
2119 ni = (
2120 #ifdef FEAT_USR_CMDS
2121 !USER_CMDIDX(ea.cmdidx) &&
2122 #endif
2123 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2124 #ifdef HAVE_EX_SCRIPT_NI
2125 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2126 #endif
2127 ));
2128
2129 #ifndef FEAT_EVAL
2130 /*
2131 * When the expression evaluation is disabled, recognize the ":if" and
2132 * ":endif" commands and ignore everything in between it.
2133 */
2134 if (ea.cmdidx == CMD_if)
2135 ++if_level;
2136 if (if_level)
2137 {
2138 if (ea.cmdidx == CMD_endif)
2139 --if_level;
2140 goto doend;
2141 }
2142
2143 #endif
2144
2145 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
2146 {
2147 ++p;
2148 ea.forceit = TRUE;
2149 }
2150 else
2151 ea.forceit = FALSE;
2152
2153 /*
2154 * 5. parse arguments
2155 */
2156 #ifdef FEAT_USR_CMDS
2157 if (!USER_CMDIDX(ea.cmdidx))
2158 #endif
2159 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2160
2161 if (!ea.skip)
2162 {
2163 #ifdef HAVE_SANDBOX
2164 if (sandbox != 0 && !(ea.argt & SBOXOK))
2165 {
2166 /* Command not allowed in sandbox. */
2167 errormsg = (char_u *)_(e_sandbox);
2168 goto doend;
2169 }
2170 #endif
2171 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2172 {
2173 /* Command not allowed in non-'modifiable' buffer */
2174 errormsg = (char_u *)_(e_modifiable);
2175 goto doend;
2176 }
2177
2178 if (text_locked() && !(ea.argt & CMDWIN)
2179 # ifdef FEAT_USR_CMDS
2180 && !USER_CMDIDX(ea.cmdidx)
2181 # endif
2182 )
2183 {
2184 /* Command not allowed when editing the command line. */
2185 #ifdef FEAT_CMDWIN
2186 if (cmdwin_type != 0)
2187 errormsg = (char_u *)_(e_cmdwin);
2188 else
2189 #endif
2190 errormsg = (char_u *)_(e_secure);
2191 goto doend;
2192 }
2193 #ifdef FEAT_AUTOCMD
2194 /* Disallow editing another buffer when "curbuf_lock" is set.
2195 * Do allow ":edit" (check for argument later).
2196 * Do allow ":checktime" (it's postponed). */
2197 if (!(ea.argt & CMDWIN)
2198 && ea.cmdidx != CMD_edit
2199 && ea.cmdidx != CMD_checktime
2200 # ifdef FEAT_USR_CMDS
2201 && !USER_CMDIDX(ea.cmdidx)
2202 # endif
2203 && curbuf_locked())
2204 goto doend;
2205 #endif
2206
2207 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2208 {
2209 /* no range allowed */
2210 errormsg = (char_u *)_(e_norange);
2211 goto doend;
2212 }
2213 }
2214
2215 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2216 {
2217 errormsg = (char_u *)_(e_nobang);
2218 goto doend;
2219 }
2220
2221 /*
2222 * Don't complain about the range if it is not used
2223 * (could happen if line_count is accidentally set to 0).
2224 */
2225 if (!ea.skip && !ni)
2226 {
2227 /*
2228 * If the range is backwards, ask for confirmation and, if given, swap
2229 * ea.line1 & ea.line2 so it's forwards again.
2230 * When global command is busy, don't ask, will fail below.
2231 */
2232 if (!global_busy && ea.line1 > ea.line2)
2233 {
2234 if (msg_silent == 0)
2235 {
2236 if (sourcing || exmode_active)
2237 {
2238 errormsg = (char_u *)_("E493: Backwards range given");
2239 goto doend;
2240 }
2241 if (ask_yesno((char_u *)
2242 _("Backwards range given, OK to swap"), FALSE) != 'y')
2243 goto doend;
2244 }
2245 lnum = ea.line1;
2246 ea.line1 = ea.line2;
2247 ea.line2 = lnum;
2248 }
2249 if ((errormsg = invalid_range(&ea)) != NULL)
2250 goto doend;
2251 }
2252
2253 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2254 ea.line2 = 1;
2255
2256 correct_range(&ea);
2257
2258 #ifdef FEAT_FOLDING
2259 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2260 {
2261 /* Put the first line at the start of a closed fold, put the last line
2262 * at the end of a closed fold. */
2263 (void)hasFolding(ea.line1, &ea.line1, NULL);
2264 (void)hasFolding(ea.line2, NULL, &ea.line2);
2265 }
2266 #endif
2267
2268 #ifdef FEAT_QUICKFIX
2269 /*
2270 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2271 * option here, so things like % get expanded.
2272 */
2273 p = replace_makeprg(&ea, p, cmdlinep);
2274 if (p == NULL)
2275 goto doend;
2276 #endif
2277
2278 /*
2279 * Skip to start of argument.
2280 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2281 */
2282 if (ea.cmdidx == CMD_bang)
2283 ea.arg = p;
2284 else
2285 ea.arg = skipwhite(p);
2286
2287 /*
2288 * Check for "++opt=val" argument.
2289 * Must be first, allow ":w ++enc=utf8 !cmd"
2290 */
2291 if (ea.argt & ARGOPT)
2292 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2293 if (getargopt(&ea) == FAIL && !ni)
2294 {
2295 errormsg = (char_u *)_(e_invarg);
2296 goto doend;
2297 }
2298
2299 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2300 {
2301 if (*ea.arg == '>') /* append */
2302 {
2303 if (*++ea.arg != '>') /* typed wrong */
2304 {
2305 errormsg = (char_u *)_("E494: Use w or w>>");
2306 goto doend;
2307 }
2308 ea.arg = skipwhite(ea.arg + 1);
2309 ea.append = TRUE;
2310 }
2311 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2312 {
2313 ++ea.arg;
2314 ea.usefilter = TRUE;
2315 }
2316 }
2317
2318 if (ea.cmdidx == CMD_read)
2319 {
2320 if (ea.forceit)
2321 {
2322 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2323 ea.forceit = FALSE;
2324 }
2325 else if (*ea.arg == '!') /* :r !filter */
2326 {
2327 ++ea.arg;
2328 ea.usefilter = TRUE;
2329 }
2330 }
2331
2332 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2333 {
2334 ea.amount = 1;
2335 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2336 {
2337 ++ea.arg;
2338 ++ea.amount;
2339 }
2340 ea.arg = skipwhite(ea.arg);
2341 }
2342
2343 /*
2344 * Check for "+command" argument, before checking for next command.
2345 * Don't do this for ":read !cmd" and ":write !cmd".
2346 */
2347 if ((ea.argt & EDITCMD) && !ea.usefilter)
2348 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2349
2350 /*
2351 * Check for '|' to separate commands and '"' to start comments.
2352 * Don't do this for ":read !cmd" and ":write !cmd".
2353 */
2354 if ((ea.argt & TRLBAR) && !ea.usefilter)
2355 separate_nextcmd(&ea);
2356
2357 /*
2358 * Check for <newline> to end a shell command.
2359 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2360 * Any others?
2361 */
2362 else if (ea.cmdidx == CMD_bang
2363 || ea.cmdidx == CMD_global
2364 || ea.cmdidx == CMD_vglobal
2365 || ea.usefilter)
2366 {
2367 for (p = ea.arg; *p; ++p)
2368 {
2369 /* Remove one backslash before a newline, so that it's possible to
2370 * pass a newline to the shell and also a newline that is preceded
2371 * with a backslash. This makes it impossible to end a shell
2372 * command in a backslash, but that doesn't appear useful.
2373 * Halving the number of backslashes is incompatible with previous
2374 * versions. */
2375 if (*p == '\\' && p[1] == '\n')
2376 mch_memmove(p, p + 1, STRLEN(p));
2377 else if (*p == '\n')
2378 {
2379 ea.nextcmd = p + 1;
2380 *p = NUL;
2381 break;
2382 }
2383 }
2384 }
2385
2386 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2387 {
2388 ea.line1 = 1;
2389 ea.line2 = curbuf->b_ml.ml_line_count;
2390 }
2391
2392 /* accept numbered register only when no count allowed (:put) */
2393 if ( (ea.argt & REGSTR)
2394 && *ea.arg != NUL
2395 #ifdef FEAT_USR_CMDS
2396 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2397 && USER_CMDIDX(ea.cmdidx)))
2398 /* Do not allow register = for user commands */
2399 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2400 #else
2401 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2402 #endif
2403 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2404 {
2405 ea.regname = *ea.arg++;
2406 #ifdef FEAT_EVAL
2407 /* for '=' register: accept the rest of the line as an expression */
2408 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2409 {
2410 set_expr_line(vim_strsave(ea.arg));
2411 ea.arg += STRLEN(ea.arg);
2412 }
2413 #endif
2414 ea.arg = skipwhite(ea.arg);
2415 }
2416
2417 /*
2418 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2419 * count, it's a buffer name.
2420 */
2421 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2422 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2423 || vim_iswhite(*p)))
2424 {
2425 n = getdigits(&ea.arg);
2426 ea.arg = skipwhite(ea.arg);
2427 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2428 {
2429 errormsg = (char_u *)_(e_zerocount);
2430 goto doend;
2431 }
2432 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2433 {
2434 ea.line2 = n;
2435 if (ea.addr_count == 0)
2436 ea.addr_count = 1;
2437 }
2438 else
2439 {
2440 ea.line1 = ea.line2;
2441 ea.line2 += n - 1;
2442 ++ea.addr_count;
2443 /*
2444 * Be vi compatible: no error message for out of range.
2445 */
2446 if (ea.line2 > curbuf->b_ml.ml_line_count)
2447 ea.line2 = curbuf->b_ml.ml_line_count;
2448 }
2449 }
2450
2451 /*
2452 * Check for flags: 'l', 'p' and '#'.
2453 */
2454 if (ea.argt & EXFLAGS)
2455 get_flags(&ea);
2456 /* no arguments allowed */
2457 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2458 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2459 {
2460 errormsg = (char_u *)_(e_trailing);
2461 goto doend;
2462 }
2463
2464 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2465 {
2466 errormsg = (char_u *)_(e_argreq);
2467 goto doend;
2468 }
2469
2470 #ifdef FEAT_EVAL
2471 /*
2472 * Skip the command when it's not going to be executed.
2473 * The commands like :if, :endif, etc. always need to be executed.
2474 * Also make an exception for commands that handle a trailing command
2475 * themselves.
2476 */
2477 if (ea.skip)
2478 {
2479 switch (ea.cmdidx)
2480 {
2481 /* commands that need evaluation */
2482 case CMD_while:
2483 case CMD_endwhile:
2484 case CMD_for:
2485 case CMD_endfor:
2486 case CMD_if:
2487 case CMD_elseif:
2488 case CMD_else:
2489 case CMD_endif:
2490 case CMD_try:
2491 case CMD_catch:
2492 case CMD_finally:
2493 case CMD_endtry:
2494 case CMD_function:
2495 break;
2496
2497 /* Commands that handle '|' themselves. Check: A command should
2498 * either have the TRLBAR flag, appear in this list or appear in
2499 * the list at ":help :bar". */
2500 case CMD_aboveleft:
2501 case CMD_and:
2502 case CMD_belowright:
2503 case CMD_botright:
2504 case CMD_browse:
2505 case CMD_call:
2506 case CMD_confirm:
2507 case CMD_delfunction:
2508 case CMD_djump:
2509 case CMD_dlist:
2510 case CMD_dsearch:
2511 case CMD_dsplit:
2512 case CMD_echo:
2513 case CMD_echoerr:
2514 case CMD_echomsg:
2515 case CMD_echon:
2516 case CMD_execute:
2517 case CMD_help:
2518 case CMD_hide:
2519 case CMD_ijump:
2520 case CMD_ilist:
2521 case CMD_isearch:
2522 case CMD_isplit:
2523 case CMD_keepalt:
2524 case CMD_keepjumps:
2525 case CMD_keepmarks:
2526 case CMD_leftabove:
2527 case CMD_let:
2528 case CMD_lockmarks:
2529 case CMD_match:
2530 case CMD_mzscheme:
2531 case CMD_perl:
2532 case CMD_psearch:
2533 case CMD_python:
2534 case CMD_return:
2535 case CMD_rightbelow:
2536 case CMD_ruby:
2537 case CMD_silent:
2538 case CMD_smagic:
2539 case CMD_snomagic:
2540 case CMD_substitute:
2541 case CMD_syntax:
2542 case CMD_tab:
2543 case CMD_tcl:
2544 case CMD_throw:
2545 case CMD_tilde:
2546 case CMD_topleft:
2547 case CMD_unlet:
2548 case CMD_verbose:
2549 case CMD_vertical:
2550 break;
2551
2552 default: goto doend;
2553 }
2554 }
2555 #endif
2556
2557 if (ea.argt & XFILE)
2558 {
2559 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2560 goto doend;
2561 }
2562
2563 #ifdef FEAT_LISTCMDS
2564 /*
2565 * Accept buffer name. Cannot be used at the same time with a buffer
2566 * number. Don't do this for a user command.
2567 */
2568 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2569 # ifdef FEAT_USR_CMDS
2570 && !USER_CMDIDX(ea.cmdidx)
2571 # endif
2572 )
2573 {
2574 /*
2575 * :bdelete, :bwipeout and :bunload take several arguments, separated
2576 * by spaces: find next space (skipping over escaped characters).
2577 * The others take one argument: ignore trailing spaces.
2578 */
2579 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2580 || ea.cmdidx == CMD_bunload)
2581 p = skiptowhite_esc(ea.arg);
2582 else
2583 {
2584 p = ea.arg + STRLEN(ea.arg);
2585 while (p > ea.arg && vim_iswhite(p[-1]))
2586 --p;
2587 }
2588 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2589 if (ea.line2 < 0) /* failed */
2590 goto doend;
2591 ea.addr_count = 1;
2592 ea.arg = skipwhite(p);
2593 }
2594 #endif
2595
2596 /*
2597 * 6. switch on command name
2598 *
2599 * The "ea" structure holds the arguments that can be used.
2600 */
2601 ea.cmdlinep = cmdlinep;
2602 ea.getline = fgetline;
2603 ea.cookie = cookie;
2604 #ifdef FEAT_EVAL
2605 ea.cstack = cstack;
2606 #endif
2607
2608 #ifdef FEAT_USR_CMDS
2609 if (USER_CMDIDX(ea.cmdidx))
2610 {
2611 /*
2612 * Execute a user-defined command.
2613 */
2614 do_ucmd(&ea);
2615 }
2616 else
2617 #endif
2618 {
2619 /*
2620 * Call the function to execute the command.
2621 */
2622 ea.errmsg = NULL;
2623 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2624 if (ea.errmsg != NULL)
2625 errormsg = (char_u *)_(ea.errmsg);
2626 }
2627
2628 #ifdef FEAT_EVAL
2629 /*
2630 * If the command just executed called do_cmdline(), any throw or ":return"
2631 * or ":finish" encountered there must also check the cstack of the still
2632 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2633 * exception, or reanimate a returned function or finished script file and
2634 * return or finish it again.
2635 */
2636 if (need_rethrow)
2637 do_throw(cstack);
2638 else if (check_cstack)
2639 {
2640 if (source_finished(fgetline, cookie))
2641 do_finish(&ea, TRUE);
2642 else if (getline_equal(fgetline, cookie, get_func_line)
2643 && current_func_returned())
2644 do_return(&ea, TRUE, FALSE, NULL);
2645 }
2646 need_rethrow = check_cstack = FALSE;
2647 #endif
2648
2649 doend:
2650 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2651 curwin->w_cursor.lnum = 1;
2652
2653 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2654 {
2655 if (sourcing)
2656 {
2657 if (errormsg != IObuff)
2658 {
2659 STRCPY(IObuff, errormsg);
2660 errormsg = IObuff;
2661 }
2662 STRCAT(errormsg, ": ");
2663 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2664 }
2665 emsg(errormsg);
2666 }
2667 #ifdef FEAT_EVAL
2668 do_errthrow(cstack,
2669 (ea.cmdidx != CMD_SIZE
2670 # ifdef FEAT_USR_CMDS
2671 && !USER_CMDIDX(ea.cmdidx)
2672 # endif
2673 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2674 #endif
2675
2676 if (verbose_save >= 0)
2677 p_verbose = verbose_save;
2678 #ifdef FEAT_AUTOCMD
2679 if (cmdmod.save_ei != NULL)
2680 {
2681 /* Restore 'eventignore' to the value before ":noautocmd". */
2682 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2683 OPT_FREE, SID_NONE);
2684 free_string_option(cmdmod.save_ei);
2685 }
2686 #endif
2687
2688 cmdmod = save_cmdmod;
2689
2690 if (did_silent > 0)
2691 {
2692 /* messages could be enabled for a serious error, need to check if the
2693 * counters don't become negative */
2694 msg_silent -= did_silent;
2695 if (msg_silent < 0)
2696 msg_silent = 0;
2697 emsg_silent -= did_esilent;
2698 if (emsg_silent < 0)
2699 emsg_silent = 0;
2700 /* Restore msg_scroll, it's set by file I/O commands, even when no
2701 * message is actually displayed. */
2702 msg_scroll = save_msg_scroll;
2703 }
2704
2705 #ifdef HAVE_SANDBOX
2706 if (did_sandbox)
2707 --sandbox;
2708 #endif
2709
2710 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2711 ea.nextcmd = NULL;
2712
2713 #ifdef FEAT_EVAL
2714 --ex_nesting_level;
2715 #endif
2716
2717 return ea.nextcmd;
2718 }
2719 #if (_MSC_VER == 1200)
2720 #pragma optimize( "", on )
2721 #endif
2722
2723 /*
2724 * Check for an Ex command with optional tail.
2725 * If there is a match advance "pp" to the argument and return TRUE.
2726 */
2727 int
2728 checkforcmd(pp, cmd, len)
2729 char_u **pp; /* start of command */
2730 char *cmd; /* name of command */
2731 int len; /* required length */
2732 {
2733 int i;
2734
2735 for (i = 0; cmd[i] != NUL; ++i)
2736 if (cmd[i] != (*pp)[i])
2737 break;
2738 if (i >= len && !isalpha((*pp)[i]))
2739 {
2740 *pp = skipwhite(*pp + i);
2741 return TRUE;
2742 }
2743 return FALSE;
2744 }
2745
2746 /*
2747 * Find an Ex command by its name, either built-in or user.
2748 * Start of the name can be found at eap->cmd.
2749 * Returns pointer to char after the command name.
2750 * "full" is set to TRUE if the whole command name matched.
2751 * Returns NULL for an ambiguous user command.
2752 */
2753 /*ARGSUSED*/
2754 static char_u *
2755 find_command(eap, full)
2756 exarg_T *eap;
2757 int *full;
2758 {
2759 int len;
2760 char_u *p;
2761 int i;
2762
2763 /*
2764 * Isolate the command and search for it in the command table.
2765 * Exceptions:
2766 * - the 'k' command can directly be followed by any character.
2767 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2768 * but :sre[wind] is another command, as are :scrip[tnames],
2769 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2770 * - the "d" command can directly be followed by 'l' or 'p' flag.
2771 */
2772 p = eap->cmd;
2773 if (*p == 'k')
2774 {
2775 eap->cmdidx = CMD_k;
2776 ++p;
2777 }
2778 else if (p[0] == 's'
2779 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2780 && p[3] != 'i' && p[4] != 'p')
2781 || p[1] == 'g'
2782 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2783 || p[1] == 'I'
2784 || (p[1] == 'r' && p[2] != 'e')))
2785 {
2786 eap->cmdidx = CMD_substitute;
2787 ++p;
2788 }
2789 else
2790 {
2791 while (ASCII_ISALPHA(*p))
2792 ++p;
2793 /* check for non-alpha command */
2794 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2795 ++p;
2796 len = (int)(p - eap->cmd);
2797 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2798 {
2799 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2800 * :delete with the 'l' flag. Same for 'p'. */
2801 for (i = 0; i < len; ++i)
2802 if (eap->cmd[i] != "delete"[i])
2803 break;
2804 if (i == len - 1)
2805 {
2806 --len;
2807 if (p[-1] == 'l')
2808 eap->flags |= EXFLAG_LIST;
2809 else
2810 eap->flags |= EXFLAG_PRINT;
2811 }
2812 }
2813
2814 if (ASCII_ISLOWER(*eap->cmd))
2815 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2816 else
2817 eap->cmdidx = cmdidxs[26];
2818
2819 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2820 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2821 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2822 (size_t)len) == 0)
2823 {
2824 #ifdef FEAT_EVAL
2825 if (full != NULL
2826 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2827 *full = TRUE;
2828 #endif
2829 break;
2830 }
2831
2832 #ifdef FEAT_USR_CMDS
2833 /* Look for a user defined command as a last resort */
2834 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2835 {
2836 /* User defined commands may contain digits. */
2837 while (ASCII_ISALNUM(*p))
2838 ++p;
2839 p = find_ucmd(eap, p, full, NULL, NULL);
2840 }
2841 #endif
2842 if (p == eap->cmd)
2843 eap->cmdidx = CMD_SIZE;
2844 }
2845
2846 return p;
2847 }
2848
2849 #ifdef FEAT_USR_CMDS
2850 /*
2851 * Search for a user command that matches "eap->cmd".
2852 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2853 * Return a pointer to just after the command.
2854 * Return NULL if there is no matching command.
2855 */
2856 static char_u *
2857 find_ucmd(eap, p, full, xp, compl)
2858 exarg_T *eap;
2859 char_u *p; /* end of the command (possibly including count) */
2860 int *full; /* set to TRUE for a full match */
2861 expand_T *xp; /* used for completion, NULL otherwise */
2862 int *compl; /* completion flags or NULL */
2863 {
2864 int len = (int)(p - eap->cmd);
2865 int j, k, matchlen = 0;
2866 ucmd_T *uc;
2867 int found = FALSE;
2868 int possible = FALSE;
2869 char_u *cp, *np; /* Point into typed cmd and test name */
2870 garray_T *gap;
2871 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2872 only full match global is accepted. */
2873
2874 /*
2875 * Look for buffer-local user commands first, then global ones.
2876 */
2877 gap = &curbuf->b_ucmds;
2878 for (;;)
2879 {
2880 for (j = 0; j < gap->ga_len; ++j)
2881 {
2882 uc = USER_CMD_GA(gap, j);
2883 cp = eap->cmd;
2884 np = uc->uc_name;
2885 k = 0;
2886 while (k < len && *np != NUL && *cp++ == *np++)
2887 k++;
2888 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2889 {
2890 /* If finding a second match, the command is ambiguous. But
2891 * not if a buffer-local command wasn't a full match and a
2892 * global command is a full match. */
2893 if (k == len && found && *np != NUL)
2894 {
2895 if (gap == &ucmds)
2896 return NULL;
2897 amb_local = TRUE;
2898 }
2899
2900 if (!found || (k == len && *np == NUL))
2901 {
2902 /* If we matched up to a digit, then there could
2903 * be another command including the digit that we
2904 * should use instead.
2905 */
2906 if (k == len)
2907 found = TRUE;
2908 else
2909 possible = TRUE;
2910
2911 if (gap == &ucmds)
2912 eap->cmdidx = CMD_USER;
2913 else
2914 eap->cmdidx = CMD_USER_BUF;
2915 eap->argt = (long)uc->uc_argt;
2916 eap->useridx = j;
2917
2918 # ifdef FEAT_CMDL_COMPL
2919 if (compl != NULL)
2920 *compl = uc->uc_compl;
2921 # ifdef FEAT_EVAL
2922 if (xp != NULL)
2923 {
2924 xp->xp_arg = uc->uc_compl_arg;
2925 xp->xp_scriptID = uc->uc_scriptID;
2926 }
2927 # endif
2928 # endif
2929 /* Do not search for further abbreviations
2930 * if this is an exact match. */
2931 matchlen = k;
2932 if (k == len && *np == NUL)
2933 {
2934 if (full != NULL)
2935 *full = TRUE;
2936 amb_local = FALSE;
2937 break;
2938 }
2939 }
2940 }
2941 }
2942
2943 /* Stop if we found a full match or searched all. */
2944 if (j < gap->ga_len || gap == &ucmds)
2945 break;
2946 gap = &ucmds;
2947 }
2948
2949 /* Only found ambiguous matches. */
2950 if (amb_local)
2951 {
2952 if (xp != NULL)
2953 xp->xp_context = EXPAND_UNSUCCESSFUL;
2954 return NULL;
2955 }
2956
2957 /* The match we found may be followed immediately by a number. Move "p"
2958 * back to point to it. */
2959 if (found || possible)
2960 return p + (matchlen - len);
2961 return p;
2962 }
2963 #endif
2964
2965 #if defined(FEAT_EVAL) || defined(PROTO)
2966 static struct cmdmod
2967 {
2968 char *name;
2969 int minlen;
2970 int has_count; /* :123verbose :3tab */
2971 } cmdmods[] = {
2972 {"aboveleft", 3, FALSE},
2973 {"belowright", 3, FALSE},
2974 {"botright", 2, FALSE},
2975 {"browse", 3, FALSE},
2976 {"confirm", 4, FALSE},
2977 {"hide", 3, FALSE},
2978 {"keepalt", 5, FALSE},
2979 {"keepjumps", 5, FALSE},
2980 {"keepmarks", 3, FALSE},
2981 {"leftabove", 5, FALSE},
2982 {"lockmarks", 3, FALSE},
2983 {"rightbelow", 6, FALSE},
2984 {"sandbox", 3, FALSE},
2985 {"silent", 3, FALSE},
2986 {"tab", 3, TRUE},
2987 {"topleft", 2, FALSE},
2988 {"verbose", 4, TRUE},
2989 {"vertical", 4, FALSE},
2990 };
2991
2992 /*
2993 * Return length of a command modifier (including optional count).
2994 * Return zero when it's not a modifier.
2995 */
2996 int
2997 modifier_len(cmd)
2998 char_u *cmd;
2999 {
3000 int i, j;
3001 char_u *p = cmd;
3002
3003 if (VIM_ISDIGIT(*cmd))
3004 p = skipwhite(skipdigits(cmd));
3005 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3006 {
3007 for (j = 0; p[j] != NUL; ++j)
3008 if (p[j] != cmdmods[i].name[j])
3009 break;
3010 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3011 && (p == cmd || cmdmods[i].has_count))
3012 return j + (p - cmd);
3013 }
3014 return 0;
3015 }
3016
3017 /*
3018 * Return > 0 if an Ex command "name" exists.
3019 * Return 2 if there is an exact match.
3020 * Return 3 if there is an ambiguous match.
3021 */
3022 int
3023 cmd_exists(name)
3024 char_u *name;
3025 {
3026 exarg_T ea;
3027 int full = FALSE;
3028 int i;
3029 int j;
3030 char_u *p;
3031
3032 /* Check command modifiers. */
3033 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3034 {
3035 for (j = 0; name[j] != NUL; ++j)
3036 if (name[j] != cmdmods[i].name[j])
3037 break;
3038 if (name[j] == NUL && j >= cmdmods[i].minlen)
3039 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3040 }
3041
3042 /* Check built-in commands and user defined commands.
3043 * For ":2match" and ":3match" we need to skip the number. */
3044 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3045 ea.cmdidx = (cmdidx_T)0;
3046 p = find_command(&ea, &full);
3047 if (p == NULL)
3048 return 3;
3049 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3050 return 0;
3051 if (*skipwhite(p) != NUL)
3052 return 0; /* trailing garbage */
3053 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3054 }
3055 #endif
3056
3057 /*
3058 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3059 * we don't need/want deleted. Maybe this could be done better if we didn't
3060 * repeat all this stuff. The only problem is that they may not stay
3061 * perfectly compatible with each other, but then the command line syntax
3062 * probably won't change that much -- webb.
3063 */
3064 char_u *
3065 set_one_cmd_context(xp, buff)
3066 expand_T *xp;
3067 char_u *buff; /* buffer for command string */
3068 {
3069 char_u *p;
3070 char_u *cmd, *arg;
3071 int len = 0;
3072 exarg_T ea;
3073 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3074 int compl = EXPAND_NOTHING;
3075 #endif
3076 #ifdef FEAT_CMDL_COMPL
3077 int delim;
3078 #endif
3079 int forceit = FALSE;
3080 int usefilter = FALSE; /* filter instead of file name */
3081
3082 ExpandInit(xp);
3083 xp->xp_pattern = buff;
3084 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3085 ea.argt = 0;
3086
3087 /*
3088 * 2. skip comment lines and leading space, colons or bars
3089 */
3090 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3091 ;
3092 xp->xp_pattern = cmd;
3093
3094 if (*cmd == NUL)
3095 return NULL;
3096 if (*cmd == '"') /* ignore comment lines */
3097 {
3098 xp->xp_context = EXPAND_NOTHING;
3099 return NULL;
3100 }
3101
3102 /*
3103 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3104 */
3105 cmd = skip_range(cmd, &xp->xp_context);
3106
3107 /*
3108 * 4. parse command
3109 */
3110 xp->xp_pattern = cmd;
3111 if (*cmd == NUL)
3112 return NULL;
3113 if (*cmd == '"')
3114 {
3115 xp->xp_context = EXPAND_NOTHING;
3116 return NULL;
3117 }
3118
3119 if (*cmd == '|' || *cmd == '\n')
3120 return cmd + 1; /* There's another command */
3121
3122 /*
3123 * Isolate the command and search for it in the command table.
3124 * Exceptions:
3125 * - the 'k' command can directly be followed by any character, but
3126 * do accept "keepmarks", "keepalt" and "keepjumps".
3127 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3128 */
3129 if (*cmd == 'k' && cmd[1] != 'e')
3130 {
3131 ea.cmdidx = CMD_k;
3132 p = cmd + 1;
3133 }
3134 else
3135 {
3136 p = cmd;
3137 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3138 ++p;
3139 /* check for non-alpha command */
3140 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3141 ++p;
3142 len = (int)(p - cmd);
3143
3144 if (len == 0)
3145 {
3146 xp->xp_context = EXPAND_UNSUCCESSFUL;
3147 return NULL;
3148 }
3149 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3150 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3151 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3152 break;
3153
3154 #ifdef FEAT_USR_CMDS
3155 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3156 {
3157 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3158 ++p;
3159 len = (int)(p - cmd);
3160 }
3161 #endif
3162 }
3163
3164 /*
3165 * If the cursor is touching the command, and it ends in an alpha-numeric
3166 * character, complete the command name.
3167 */
3168 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3169 return NULL;
3170
3171 if (ea.cmdidx == CMD_SIZE)
3172 {
3173 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3174 {
3175 ea.cmdidx = CMD_substitute;
3176 p = cmd + 1;
3177 }
3178 #ifdef FEAT_USR_CMDS
3179 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3180 {
3181 ea.cmd = cmd;
3182 p = find_ucmd(&ea, p, NULL, xp,
3183 # if defined(FEAT_CMDL_COMPL)
3184 &compl
3185 # else
3186 NULL
3187 # endif
3188 );
3189 if (p == NULL)
3190 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3191 }
3192 #endif
3193 }
3194 if (ea.cmdidx == CMD_SIZE)
3195 {
3196 /* Not still touching the command and it was an illegal one */
3197 xp->xp_context = EXPAND_UNSUCCESSFUL;
3198 return NULL;
3199 }
3200
3201 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3202
3203 if (*p == '!') /* forced commands */
3204 {
3205 forceit = TRUE;
3206 ++p;
3207 }
3208
3209 /*
3210 * 5. parse arguments
3211 */
3212 #ifdef FEAT_USR_CMDS
3213 if (!USER_CMDIDX(ea.cmdidx))
3214 #endif
3215 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3216
3217 arg = skipwhite(p);
3218
3219 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3220 {
3221 if (*arg == '>') /* append */
3222 {
3223 if (*++arg == '>')
3224 ++arg;
3225 arg = skipwhite(arg);
3226 }
3227 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3228 {
3229 ++arg;
3230 usefilter = TRUE;
3231 }
3232 }
3233
3234 if (ea.cmdidx == CMD_read)
3235 {
3236 usefilter = forceit; /* :r! filter if forced */
3237 if (*arg == '!') /* :r !filter */
3238 {
3239 ++arg;
3240 usefilter = TRUE;
3241 }
3242 }
3243
3244 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3245 {
3246 while (*arg == *cmd) /* allow any number of '>' or '<' */
3247 ++arg;
3248 arg = skipwhite(arg);
3249 }
3250
3251 /* Does command allow "+command"? */
3252 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3253 {
3254 /* Check if we're in the +command */
3255 p = arg + 1;
3256 arg = skip_cmd_arg(arg, FALSE);
3257
3258 /* Still touching the command after '+'? */
3259 if (*arg == NUL)
3260 return p;
3261
3262 /* Skip space(s) after +command to get to the real argument */
3263 arg = skipwhite(arg);
3264 }
3265
3266 /*
3267 * Check for '|' to separate commands and '"' to start comments.
3268 * Don't do this for ":read !cmd" and ":write !cmd".
3269 */
3270 if ((ea.argt & TRLBAR) && !usefilter)
3271 {
3272 p = arg;
3273 /* ":redir @" is not the start of a comment */
3274 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3275 p += 2;
3276 while (*p)
3277 {
3278 if (*p == Ctrl_V)
3279 {
3280 if (p[1] != NUL)
3281 ++p;
3282 }
3283 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3284 || *p == '|' || *p == '\n')
3285 {
3286 if (*(p - 1) != '\\')
3287 {
3288 if (*p == '|' || *p == '\n')
3289 return p + 1;
3290 return NULL; /* It's a comment */
3291 }
3292 }
3293 mb_ptr_adv(p);
3294 }
3295 }
3296
3297 /* no arguments allowed */
3298 if (!(ea.argt & EXTRA) && *arg != NUL &&
3299 vim_strchr((char_u *)"|\"", *arg) == NULL)
3300 return NULL;
3301
3302 /* Find start of last argument (argument just before cursor): */
3303 p = buff + STRLEN(buff);
3304 while (p != arg && *p != ' ' && *p != TAB)
3305 p--;
3306 if (*p == ' ' || *p == TAB)
3307 p++;
3308 xp->xp_pattern = p;
3309
3310 if (ea.argt & XFILE)
3311 {
3312 int c;
3313 int in_quote = FALSE;
3314 char_u *bow = NULL; /* Beginning of word */
3315
3316 /*
3317 * Allow spaces within back-quotes to count as part of the argument
3318 * being expanded.
3319 */
3320 xp->xp_pattern = skipwhite(arg);
3321 p = xp->xp_pattern;
3322 while (*p != NUL)
3323 {
3324 #ifdef FEAT_MBYTE
3325 if (has_mbyte)
3326 c = mb_ptr2char(p);
3327 else
3328 #endif
3329 c = *p;
3330 if (c == '\\' && p[1] != NUL)
3331 ++p;
3332 else if (c == '`')
3333 {
3334 if (!in_quote)
3335 {
3336 xp->xp_pattern = p;
3337 bow = p + 1;
3338 }
3339 in_quote = !in_quote;
3340 }
3341 /* An argument can contain just about everything, except
3342 * characters that end the command and white space. */
3343 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3344 #ifdef SPACE_IN_FILENAME
3345 && (!(ea.argt & NOSPC) || usefilter)
3346 #endif
3347 ))
3348 {
3349 len = 0; /* avoid getting stuck when space is in 'isfname' */
3350 while (*p != NUL)
3351 {
3352 #ifdef FEAT_MBYTE
3353 if (has_mbyte)
3354 c = mb_ptr2char(p);
3355 else
3356 #endif
3357 c = *p;
3358 if (c == '`' || vim_isfilec_or_wc(c))
3359 break;
3360 #ifdef FEAT_MBYTE
3361 if (has_mbyte)
3362 len = (*mb_ptr2len)(p);
3363 else
3364 #endif
3365 len = 1;
3366 mb_ptr_adv(p);
3367 }
3368 if (in_quote)
3369 bow = p;
3370 else
3371 xp->xp_pattern = p;
3372 p -= len;
3373 }
3374 mb_ptr_adv(p);
3375 }
3376
3377 /*
3378 * If we are still inside the quotes, and we passed a space, just
3379 * expand from there.
3380 */
3381 if (bow != NULL && in_quote)
3382 xp->xp_pattern = bow;
3383 xp->xp_context = EXPAND_FILES;
3384
3385 #ifndef BACKSLASH_IN_FILENAME
3386 /* For a shell command more chars need to be escaped. */
3387 if (usefilter || ea.cmdidx == CMD_bang)
3388 {
3389 xp->xp_shell = TRUE;
3390
3391 /* When still after the command name expand executables. */
3392 if (xp->xp_pattern == skipwhite(arg))
3393 xp->xp_context = EXPAND_SHELLCMD;
3394 }
3395 #endif
3396
3397 /* Check for environment variable */
3398 if (*xp->xp_pattern == '$'
3399 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3400 || *xp->xp_pattern == '%'
3401 #endif
3402 )
3403 {
3404 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3405 if (!vim_isIDc(*p))
3406 break;
3407 if (*p == NUL)
3408 {
3409 xp->xp_context = EXPAND_ENV_VARS;
3410 ++xp->xp_pattern;
3411 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3412 /* Avoid that the assignment uses EXPAND_FILES again. */
3413 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3414 compl = EXPAND_ENV_VARS;
3415 #endif
3416 }
3417 }
3418 }
3419
3420 /*
3421 * 6. switch on command name
3422 */
3423 switch (ea.cmdidx)
3424 {
3425 case CMD_cd:
3426 case CMD_chdir:
3427 case CMD_lcd:
3428 case CMD_lchdir:
3429 if (xp->xp_context == EXPAND_FILES)
3430 xp->xp_context = EXPAND_DIRECTORIES;
3431 break;
3432 case CMD_help:
3433 xp->xp_context = EXPAND_HELP;
3434 xp->xp_pattern = arg;
3435 break;
3436
3437 /* Command modifiers: return the argument.
3438 * Also for commands with an argument that is a command. */
3439 case CMD_aboveleft:
3440 case CMD_argdo:
3441 case CMD_belowright:
3442 case CMD_botright:
3443 case CMD_browse:
3444 case CMD_bufdo:
3445 case CMD_confirm:
3446 case CMD_debug:
3447 case CMD_folddoclosed:
3448 case CMD_folddoopen:
3449 case CMD_hide:
3450 case CMD_keepalt:
3451 case CMD_keepjumps:
3452 case CMD_keepmarks:
3453 case CMD_leftabove:
3454 case CMD_lockmarks:
3455 case CMD_rightbelow:
3456 case CMD_sandbox:
3457 case CMD_silent:
3458 case CMD_tab:
3459 case CMD_topleft:
3460 case CMD_verbose:
3461 case CMD_vertical:
3462 case CMD_windo:
3463 return arg;
3464
3465 #ifdef FEAT_CMDL_COMPL
3466 # ifdef FEAT_SEARCH_EXTRA
3467 case CMD_match:
3468 if (*arg == NUL || !ends_excmd(*arg))
3469 {
3470 /* also complete "None" */
3471 set_context_in_echohl_cmd(xp, arg);
3472 arg = skipwhite(skiptowhite(arg));
3473 if (*arg != NUL)
3474 {
3475 xp->xp_context = EXPAND_NOTHING;
3476 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3477 }
3478 }
3479 return find_nextcmd(arg);
3480 # endif
3481
3482 /*
3483 * All completion for the +cmdline_compl feature goes here.
3484 */
3485
3486 # ifdef FEAT_USR_CMDS
3487 case CMD_command:
3488 /* Check for attributes */
3489 while (*arg == '-')
3490 {
3491 arg++; /* Skip "-" */
3492 p = skiptowhite(arg);
3493 if (*p == NUL)
3494 {
3495 /* Cursor is still in the attribute */
3496 p = vim_strchr(arg, '=');
3497 if (p == NULL)
3498 {
3499 /* No "=", so complete attribute names */
3500 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3501 xp->xp_pattern = arg;
3502 return NULL;
3503 }
3504
3505 /* For the -complete and -nargs attributes, we complete
3506 * their arguments as well.
3507 */
3508 if (STRNICMP(arg, "complete", p - arg) == 0)
3509 {
3510 xp->xp_context = EXPAND_USER_COMPLETE;
3511 xp->xp_pattern = p + 1;
3512 return NULL;
3513 }
3514 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3515 {
3516 xp->xp_context = EXPAND_USER_NARGS;
3517 xp->xp_pattern = p + 1;
3518 return NULL;
3519 }
3520 return NULL;
3521 }
3522 arg = skipwhite(p);
3523 }
3524
3525 /* After the attributes comes the new command name */
3526 p = skiptowhite(arg);
3527 if (*p == NUL)
3528 {
3529 xp->xp_context = EXPAND_USER_COMMANDS;
3530 xp->xp_pattern = arg;
3531 break;
3532 }
3533
3534 /* And finally comes a normal command */
3535 return skipwhite(p);
3536
3537 case CMD_delcommand:
3538 xp->xp_context = EXPAND_USER_COMMANDS;
3539 xp->xp_pattern = arg;
3540 break;
3541 # endif
3542
3543 case CMD_global:
3544 case CMD_vglobal:
3545 delim = *arg; /* get the delimiter */
3546 if (delim)
3547 ++arg; /* skip delimiter if there is one */
3548
3549 while (arg[0] != NUL && arg[0] != delim)
3550 {
3551 if (arg[0] == '\\' && arg[1] != NUL)
3552 ++arg;
3553 ++arg;
3554 }
3555 if (arg[0] != NUL)
3556 return arg + 1;
3557 break;
3558 case CMD_and:
3559 case CMD_substitute:
3560 delim = *arg;
3561 if (delim)
3562 {
3563 /* skip "from" part */
3564 ++arg;
3565 arg = skip_regexp(arg, delim, p_magic, NULL);
3566 }
3567 /* skip "to" part */
3568 while (arg[0] != NUL && arg[0] != delim)
3569 {
3570 if (arg[0] == '\\' && arg[1] != NUL)
3571 ++arg;
3572 ++arg;
3573 }
3574 if (arg[0] != NUL) /* skip delimiter */
3575 ++arg;
3576 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3577 ++arg;
3578 if (arg[0] != NUL)
3579 return arg;
3580 break;
3581 case CMD_isearch:
3582 case CMD_dsearch:
3583 case CMD_ilist:
3584 case CMD_dlist:
3585 case CMD_ijump:
3586 case CMD_psearch:
3587 case CMD_djump:
3588 case CMD_isplit:
3589 case CMD_dsplit:
3590 arg = skipwhite(skipdigits(arg)); /* skip count */
3591 if (*arg == '/') /* Match regexp, not just whole words */
3592 {
3593 for (++arg; *arg && *arg != '/'; arg++)
3594 if (*arg == '\\' && arg[1] != NUL)
3595 arg++;
3596 if (*arg)
3597 {
3598 arg = skipwhite(arg + 1);
3599
3600 /* Check for trailing illegal characters */
3601 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3602 xp->xp_context = EXPAND_NOTHING;
3603 else
3604 return arg;
3605 }
3606 }
3607 break;
3608 #ifdef FEAT_AUTOCMD
3609 case CMD_autocmd:
3610 return set_context_in_autocmd(xp, arg, FALSE);
3611
3612 case CMD_doautocmd:
3613 return set_context_in_autocmd(xp, arg, TRUE);
3614 #endif
3615 case CMD_set:
3616 set_context_in_set_cmd(xp, arg, 0);
3617 break;
3618 case CMD_setglobal:
3619 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3620 break;
3621 case CMD_setlocal:
3622 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3623 break;
3624 case CMD_tag:
3625 case CMD_stag:
3626 case CMD_ptag:
3627 case CMD_ltag:
3628 case CMD_tselect:
3629 case CMD_stselect:
3630 case CMD_ptselect:
3631 case CMD_tjump:
3632 case CMD_stjump:
3633 case CMD_ptjump:
3634 if (*p_wop != NUL)
3635 xp->xp_context = EXPAND_TAGS_LISTFILES;
3636 else
3637 xp->xp_context = EXPAND_TAGS;
3638 xp->xp_pattern = arg;
3639 break;
3640 case CMD_augroup:
3641 xp->xp_context = EXPAND_AUGROUP;
3642 xp->xp_pattern = arg;
3643 break;
3644 #ifdef FEAT_SYN_HL
3645 case CMD_syntax:
3646 set_context_in_syntax_cmd(xp, arg);
3647 break;
3648 #endif
3649 #ifdef FEAT_EVAL
3650 case CMD_let:
3651 case CMD_if:
3652 case CMD_elseif:
3653 case CMD_while:
3654 case CMD_for:
3655 case CMD_echo:
3656 case CMD_echon:
3657 case CMD_execute:
3658 case CMD_echomsg:
3659 case CMD_echoerr:
3660 case CMD_call:
3661 case CMD_return:
3662 set_context_for_expression(xp, arg, ea.cmdidx);
3663 break;
3664
3665 case CMD_unlet:
3666 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3667 arg = xp->xp_pattern + 1;
3668 xp->xp_context = EXPAND_USER_VARS;
3669 xp->xp_pattern = arg;
3670 break;
3671
3672 case CMD_function:
3673 case CMD_delfunction:
3674 xp->xp_context = EXPAND_USER_FUNC;
3675 xp->xp_pattern = arg;
3676 break;
3677
3678 case CMD_echohl:
3679 set_context_in_echohl_cmd(xp, arg);
3680 break;
3681 #endif
3682 case CMD_highlight:
3683 set_context_in_highlight_cmd(xp, arg);
3684 break;
3685 #ifdef FEAT_LISTCMDS
3686 case CMD_bdelete:
3687 case CMD_bwipeout:
3688 case CMD_bunload:
3689 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3690 arg = xp->xp_pattern + 1;
3691 /*FALLTHROUGH*/
3692 case CMD_buffer:
3693 case CMD_sbuffer:
3694 case CMD_checktime:
3695 xp->xp_context = EXPAND_BUFFERS;
3696 xp->xp_pattern = arg;
3697 break;
3698 #endif
3699 #ifdef FEAT_USR_CMDS
3700 case CMD_USER:
3701 case CMD_USER_BUF:
3702 if (compl != EXPAND_NOTHING)
3703 {
3704 /* XFILE: file names are handled above */
3705 if (!(ea.argt & XFILE))
3706 {
3707 # ifdef FEAT_MENU
3708 if (compl == EXPAND_MENUS)
3709 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3710 # endif
3711 if (compl == EXPAND_COMMANDS)
3712 return arg;
3713 if (compl == EXPAND_MAPPINGS)
3714 return set_context_in_map_cmd(xp, (char_u *)"map",
3715 arg, forceit, FALSE, FALSE, CMD_map);
3716 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3717 arg = xp->xp_pattern + 1;
3718 xp->xp_pattern = arg;
3719 }
3720 xp->xp_context = compl;
3721 }
3722 break;
3723 #endif
3724 case CMD_map: case CMD_noremap:
3725 case CMD_nmap: case CMD_nnoremap:
3726 case CMD_vmap: case CMD_vnoremap:
3727 case CMD_omap: case CMD_onoremap:
3728 case CMD_imap: case CMD_inoremap:
3729 case CMD_cmap: case CMD_cnoremap:
3730 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3731 FALSE, FALSE, ea.cmdidx);
3732 case CMD_unmap:
3733 case CMD_nunmap:
3734 case CMD_vunmap:
3735 case CMD_ounmap:
3736 case CMD_iunmap:
3737 case CMD_cunmap:
3738 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3739 FALSE, TRUE, ea.cmdidx);
3740 case CMD_abbreviate: case CMD_noreabbrev:
3741 case CMD_cabbrev: case CMD_cnoreabbrev:
3742 case CMD_iabbrev: case CMD_inoreabbrev:
3743 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3744 TRUE, FALSE, ea.cmdidx);
3745 case CMD_unabbreviate:
3746 case CMD_cunabbrev:
3747 case CMD_iunabbrev:
3748 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3749 TRUE, TRUE, ea.cmdidx);
3750 #ifdef FEAT_MENU
3751 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3752 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3753 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3754 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3755 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3756 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3757 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3758 case CMD_tmenu: case CMD_tunmenu:
3759 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3760 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3761 #endif
3762
3763 case CMD_colorscheme:
3764 xp->xp_context = EXPAND_COLORS;
3765 xp->xp_pattern = arg;
3766 break;
3767
3768 case CMD_compiler:
3769 xp->xp_context = EXPAND_COMPILER;
3770 xp->xp_pattern = arg;
3771 break;
3772
3773 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3774 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3775 case CMD_language:
3776 if (*skiptowhite(arg) == NUL)
3777 {
3778 xp->xp_context = EXPAND_LANGUAGE;
3779 xp->xp_pattern = arg;
3780 }
3781 else
3782 xp->xp_context = EXPAND_NOTHING;
3783 break;
3784 #endif
3785
3786 #endif /* FEAT_CMDL_COMPL */
3787
3788 default:
3789 break;
3790 }
3791 return NULL;
3792 }
3793
3794 /*
3795 * skip a range specifier of the form: addr [,addr] [;addr] ..
3796 *
3797 * Backslashed delimiters after / or ? will be skipped, and commands will
3798 * not be expanded between /'s and ?'s or after "'".
3799 *
3800 * Also skip white space and ":" characters.
3801 * Returns the "cmd" pointer advanced to beyond the range.
3802 */
3803 char_u *
3804 skip_range(cmd, ctx)
3805 char_u *cmd;
3806 int *ctx; /* pointer to xp_context or NULL */
3807 {
3808 int delim;
3809
3810 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3811 {
3812 if (*cmd == '\'')
3813 {
3814 if (*++cmd == NUL && ctx != NULL)
3815 *ctx = EXPAND_NOTHING;
3816 }
3817 else if (*cmd == '/' || *cmd == '?')
3818 {
3819 delim = *cmd++;
3820 while (*cmd != NUL && *cmd != delim)
3821 if (*cmd++ == '\\' && *cmd != NUL)
3822 ++cmd;
3823 if (*cmd == NUL && ctx != NULL)
3824 *ctx = EXPAND_NOTHING;
3825 }
3826 if (*cmd != NUL)
3827 ++cmd;
3828 }
3829
3830 /* Skip ":" and white space. */
3831 while (*cmd == ':')
3832 cmd = skipwhite(cmd + 1);
3833
3834 return cmd;
3835 }
3836
3837 /*
3838 * get a single EX address
3839 *
3840 * Set ptr to the next character after the part that was interpreted.
3841 * Set ptr to NULL when an error is encountered.
3842 *
3843 * Return MAXLNUM when no Ex address was found.
3844 */
3845 static linenr_T
3846 get_address(ptr, skip, to_other_file)
3847 char_u **ptr;
3848 int skip; /* only skip the address, don't use it */
3849 int to_other_file; /* flag: may jump to other file */
3850 {
3851 int c;
3852 int i;
3853 long n;
3854 char_u *cmd;
3855 pos_T pos;
3856 pos_T *fp;
3857 linenr_T lnum;
3858
3859 cmd = skipwhite(*ptr);
3860 lnum = MAXLNUM;
3861 do
3862 {
3863 switch (*cmd)
3864 {
3865 case '.': /* '.' - Cursor position */
3866 ++cmd;
3867 lnum = curwin->w_cursor.lnum;
3868 break;
3869
3870 case '$': /* '$' - last line */
3871 ++cmd;
3872 lnum = curbuf->b_ml.ml_line_count;
3873 break;
3874
3875 case '\'': /* ''' - mark */
3876 if (*++cmd == NUL)
3877 {
3878 cmd = NULL;
3879 goto error;
3880 }
3881 if (skip)
3882 ++cmd;
3883 else
3884 {
3885 /* Only accept a mark in another file when it is
3886 * used by itself: ":'M". */
3887 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3888 ++cmd;
3889 if (fp == (pos_T *)-1)
3890 /* Jumped to another file. */
3891 lnum = curwin->w_cursor.lnum;
3892 else
3893 {
3894 if (check_mark(fp) == FAIL)
3895 {
3896 cmd = NULL;
3897 goto error;
3898 }
3899 lnum = fp->lnum;
3900 }
3901 }
3902 break;
3903
3904 case '/':
3905 case '?': /* '/' or '?' - search */
3906 c = *cmd++;
3907 if (skip) /* skip "/pat/" */
3908 {
3909 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3910 if (*cmd == c)
3911 ++cmd;
3912 }
3913 else
3914 {
3915 pos = curwin->w_cursor; /* save curwin->w_cursor */
3916 /*
3917 * When '/' or '?' follows another address, start
3918 * from there.
3919 */
3920 if (lnum != MAXLNUM)
3921 curwin->w_cursor.lnum = lnum;
3922 /*
3923 * Start a forward search at the end of the line.
3924 * Start a backward search at the start of the line.
3925 * This makes sure we never match in the current
3926 * line, and can match anywhere in the
3927 * next/previous line.
3928 */
3929 if (c == '/')
3930 curwin->w_cursor.col = MAXCOL;
3931 else
3932 curwin->w_cursor.col = 0;
3933 searchcmdlen = 0;
3934 if (!do_search(NULL, c, cmd, 1L,
3935 SEARCH_HIS + SEARCH_MSG + SEARCH_START,
3936 NULL))
3937 {
3938 curwin->w_cursor = pos;
3939 cmd = NULL;
3940 goto error;
3941 }
3942 lnum = curwin->w_cursor.lnum;
3943 curwin->w_cursor = pos;
3944 /* adjust command string pointer */
3945 cmd += searchcmdlen;
3946 }
3947 break;
3948
3949 case '\\': /* "\?", "\/" or "\&", repeat search */
3950 ++cmd;
3951 if (*cmd == '&')
3952 i = RE_SUBST;
3953 else if (*cmd == '?' || *cmd == '/')
3954 i = RE_SEARCH;
3955 else
3956 {
3957 EMSG(_(e_backslash));
3958 cmd = NULL;
3959 goto error;
3960 }
3961
3962 if (!skip)
3963 {
3964 /*
3965 * When search follows another address, start from
3966 * there.
3967 */
3968 if (lnum != MAXLNUM)
3969 pos.lnum = lnum;
3970 else
3971 pos.lnum = curwin->w_cursor.lnum;
3972
3973 /*
3974 * Start the search just like for the above
3975 * do_search().
3976 */
3977 if (*cmd != '?')
3978 pos.col = MAXCOL;
3979 else
3980 pos.col = 0;
3981 if (searchit(curwin, curbuf, &pos,
3982 *cmd == '?' ? BACKWARD : FORWARD,
3983 (char_u *)"", 1L,
3984 SEARCH_MSG + SEARCH_START,
3985 i, (linenr_T)0, NULL) != FAIL)
3986 lnum = pos.lnum;
3987 else
3988 {
3989 cmd = NULL;
3990 goto error;
3991 }
3992 }
3993 ++cmd;
3994 break;
3995
3996 default:
3997 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
3998 lnum = getdigits(&cmd);
3999 }
4000
4001 for (;;)
4002 {
4003 cmd = skipwhite(cmd);
4004 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4005 break;
4006
4007 if (lnum == MAXLNUM)
4008 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4009 if (VIM_ISDIGIT(*cmd))
4010 i = '+'; /* "number" is same as "+number" */
4011 else
4012 i = *cmd++;
4013 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4014 n = 1;
4015 else
4016 n = getdigits(&cmd);
4017 if (i == '-')
4018 lnum -= n;
4019 else
4020 lnum += n;
4021 }
4022 } while (*cmd == '/' || *cmd == '?');
4023
4024 error:
4025 *ptr = cmd;
4026 return lnum;
4027 }
4028
4029 /*
4030 * Get flags from an Ex command argument.
4031 */
4032 static void
4033 get_flags(eap)
4034 exarg_T *eap;
4035 {
4036 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4037 {
4038 if (*eap->arg == 'l')
4039 eap->flags |= EXFLAG_LIST;
4040 else if (*eap->arg == 'p')
4041 eap->flags |= EXFLAG_PRINT;
4042 else
4043 eap->flags |= EXFLAG_NR;
4044 eap->arg = skipwhite(eap->arg + 1);
4045 }
4046 }
4047
4048 /*
4049 * Function called for command which is Not Implemented. NI!
4050 */
4051 void
4052 ex_ni(eap)
4053 exarg_T *eap;
4054 {
4055 if (!eap->skip)
4056 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4057 }
4058
4059 #ifdef HAVE_EX_SCRIPT_NI
4060 /*
4061 * Function called for script command which is Not Implemented. NI!
4062 * Skips over ":perl <<EOF" constructs.
4063 */
4064 static void
4065 ex_script_ni(eap)
4066 exarg_T *eap;
4067 {
4068 if (!eap->skip)
4069 ex_ni(eap);
4070 else
4071 vim_free(script_get(eap, eap->arg));
4072 }
4073 #endif
4074
4075 /*
4076 * Check range in Ex command for validity.
4077 * Return NULL when valid, error message when invalid.
4078 */
4079 static char_u *
4080 invalid_range(eap)
4081 exarg_T *eap;
4082 {
4083 if ( eap->line1 < 0
4084 || eap->line2 < 0
4085 || eap->line1 > eap->line2
4086 || ((eap->argt & RANGE)
4087 && !(eap->argt & NOTADR)
4088 && eap->line2 > curbuf->b_ml.ml_line_count
4089 #ifdef FEAT_DIFF
4090 + (eap->cmdidx == CMD_diffget)
4091 #endif
4092 ))
4093 return (char_u *)_(e_invrange);
4094 return NULL;
4095 }
4096
4097 /*
4098 * Correct the range for zero line number, if required.
4099 */
4100 static void
4101 correct_range(eap)
4102 exarg_T *eap;
4103 {
4104 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4105 {
4106 if (eap->line1 == 0)
4107 eap->line1 = 1;
4108 if (eap->line2 == 0)
4109 eap->line2 = 1;
4110 }
4111 }
4112
4113 #ifdef FEAT_QUICKFIX
4114 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4115
4116 /*
4117 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4118 * pattern. Otherwise return eap->arg.
4119 */
4120 static char_u *
4121 skip_grep_pat(eap)
4122 exarg_T *eap;
4123 {
4124 char_u *p = eap->arg;
4125
4126 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4127 || eap->cmdidx == CMD_vimgrepadd
4128 || eap->cmdidx == CMD_lvimgrepadd
4129 || grep_internal(eap->cmdidx)))
4130 {
4131 p = skip_vimgrep_pat(p, NULL, NULL);
4132 if (p == NULL)
4133 p = eap->arg;
4134 }
4135 return p;
4136 }
4137
4138 /*
4139 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4140 * in the command line, so that things like % get expanded.
4141 */
4142 static char_u *
4143 replace_makeprg(eap, p, cmdlinep)
4144 exarg_T *eap;
4145 char_u *p;
4146 char_u **cmdlinep;
4147 {
4148 char_u *new_cmdline;
4149 char_u *program;
4150 char_u *pos;
4151 char_u *ptr;
4152 int len;
4153 int i;
4154
4155 /*
4156 * Don't do it when ":vimgrep" is used for ":grep".
4157 */
4158 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4159 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4160 || eap->cmdidx == CMD_grepadd
4161 || eap->cmdidx == CMD_lgrepadd)
4162 && !grep_internal(eap->cmdidx))
4163 {
4164 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4165 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4166 {
4167 if (*curbuf->b_p_gp == NUL)
4168 program = p_gp;
4169 else
4170 program = curbuf->b_p_gp;
4171 }
4172 else
4173 {
4174 if (*curbuf->b_p_mp == NUL)
4175 program = p_mp;
4176 else
4177 program = curbuf->b_p_mp;
4178 }
4179
4180 p = skipwhite(p);
4181
4182 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4183 {
4184 /* replace $* by given arguments */
4185 i = 1;
4186 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4187 ++i;
4188 len = (int)STRLEN(p);
4189 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4190 if (new_cmdline == NULL)
4191 return NULL; /* out of memory */
4192 ptr = new_cmdline;
4193 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4194 {
4195 i = (int)(pos - program);
4196 STRNCPY(ptr, program, i);
4197 STRCPY(ptr += i, p);
4198 ptr += len;
4199 program = pos + 2;
4200 }
4201 STRCPY(ptr, program);
4202 }
4203 else
4204 {
4205 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4206 if (new_cmdline == NULL)
4207 return NULL; /* out of memory */
4208 STRCPY(new_cmdline, program);
4209 STRCAT(new_cmdline, " ");
4210 STRCAT(new_cmdline, p);
4211 }
4212 msg_make(p);
4213
4214 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4215 vim_free(*cmdlinep);
4216 *cmdlinep = new_cmdline;
4217 p = new_cmdline;
4218 }
4219 return p;
4220 }
4221 #endif
4222
4223 /*
4224 * Expand file name in Ex command argument.
4225 * Return FAIL for failure, OK otherwise.
4226 */
4227 int
4228 expand_filename(eap, cmdlinep, errormsgp)
4229 exarg_T *eap;
4230 char_u **cmdlinep;
4231 char_u **errormsgp;
4232 {
4233 int has_wildcards; /* need to expand wildcards */
4234 char_u *repl;
4235 int srclen;
4236 char_u *p;
4237 int n;
4238 int escaped;
4239
4240 #ifdef FEAT_QUICKFIX
4241 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4242 p = skip_grep_pat(eap);
4243 #else
4244 p = eap->arg;
4245 #endif
4246
4247 /*
4248 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4249 * the file name contains a wildcard it should not cause expanding.
4250 * (it will be expanded anyway if there is a wildcard before replacing).
4251 */
4252 has_wildcards = mch_has_wildcard(p);
4253 while (*p != NUL)
4254 {
4255 #ifdef FEAT_EVAL
4256 /* Skip over `=expr`, wildcards in it are not expanded. */
4257 if (p[0] == '`' && p[1] == '=')
4258 {
4259 p += 2;
4260 (void)skip_expr(&p);
4261 if (*p == '`')
4262 ++p;
4263 continue;
4264 }
4265 #endif
4266 /*
4267 * Quick check if this cannot be the start of a special string.
4268 * Also removes backslash before '%', '#' and '<'.
4269 */
4270 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4271 {
4272 ++p;
4273 continue;
4274 }
4275
4276 /*
4277 * Try to find a match at this position.
4278 */
4279 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4280 errormsgp, &escaped);
4281 if (*errormsgp != NULL) /* error detected */
4282 return FAIL;
4283 if (repl == NULL) /* no match found */
4284 {
4285 p += srclen;
4286 continue;
4287 }
4288
4289 /* Wildcards won't be expanded below, the replacement is taken
4290 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4291 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4292 {
4293 char_u *l = repl;
4294
4295 repl = expand_env_save(repl);
4296 vim_free(l);
4297 }
4298
4299 /* Need to escape white space et al. with a backslash.
4300 * Don't do this for:
4301 * - replacement that already has been escaped: "##"
4302 * - shell commands (may have to use quotes instead).
4303 * - non-unix systems when there is a single argument (spaces don't
4304 * separate arguments then).
4305 */
4306 if (!eap->usefilter
4307 && !escaped
4308 && eap->cmdidx != CMD_bang
4309 && eap->cmdidx != CMD_make
4310 && eap->cmdidx != CMD_lmake
4311 && eap->cmdidx != CMD_grep
4312 && eap->cmdidx != CMD_lgrep
4313 && eap->cmdidx != CMD_grepadd
4314 && eap->cmdidx != CMD_lgrepadd
4315 #ifndef UNIX
4316 && !(eap->argt & NOSPC)
4317 #endif
4318 )
4319 {
4320 char_u *l;
4321 #ifdef BACKSLASH_IN_FILENAME
4322 /* Don't escape a backslash here, because rem_backslash() doesn't
4323 * remove it later. */
4324 static char_u *nobslash = (char_u *)" \t\"|";
4325 # define ESCAPE_CHARS nobslash
4326 #else
4327 # define ESCAPE_CHARS escape_chars
4328 #endif
4329
4330 for (l = repl; *l; ++l)
4331 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4332 {
4333 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4334 if (l != NULL)
4335 {
4336 vim_free(repl);
4337 repl = l;
4338 }
4339 break;
4340 }
4341 }
4342
4343 /* For a shell command a '!' must be escaped. */
4344 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4345 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4346 {
4347 char_u *l;
4348
4349 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4350 if (l != NULL)
4351 {
4352 vim_free(repl);
4353 repl = l;
4354 /* For a sh-like shell escape "!" another time. */
4355 if (strstr((char *)p_sh, "sh") != NULL)
4356 {
4357 l = vim_strsave_escaped(repl, (char_u *)"!");
4358 if (l != NULL)
4359 {
4360 vim_free(repl);
4361 repl = l;
4362 }
4363 }
4364 }
4365 }
4366
4367 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4368 vim_free(repl);
4369 if (p == NULL)
4370 return FAIL;
4371 }
4372
4373 /*
4374 * One file argument: Expand wildcards.
4375 * Don't do this with ":r !command" or ":w !command".
4376 */
4377 if ((eap->argt & NOSPC) && !eap->usefilter)
4378 {
4379 /*
4380 * May do this twice:
4381 * 1. Replace environment variables.
4382 * 2. Replace any other wildcards, remove backslashes.
4383 */
4384 for (n = 1; n <= 2; ++n)
4385 {
4386 if (n == 2)
4387 {
4388 #ifdef UNIX
4389 /*
4390 * Only for Unix we check for more than one file name.
4391 * For other systems spaces are considered to be part
4392 * of the file name.
4393 * Only check here if there is no wildcard, otherwise
4394 * ExpandOne() will check for errors. This allows
4395 * ":e `ls ve*.c`" on Unix.
4396 */
4397 if (!has_wildcards)
4398 for (p = eap->arg; *p; ++p)
4399 {
4400 /* skip escaped characters */
4401 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4402 ++p;
4403 else if (vim_iswhite(*p))
4404 {
4405 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4406 return FAIL;
4407 }
4408 }
4409 #endif
4410
4411 /*
4412 * Halve the number of backslashes (this is Vi compatible).
4413 * For Unix and OS/2, when wildcards are expanded, this is
4414 * done by ExpandOne() below.
4415 */
4416 #if defined(UNIX) || defined(OS2)
4417 if (!has_wildcards)
4418 #endif
4419 backslash_halve(eap->arg);
4420 }
4421
4422 if (has_wildcards)
4423 {
4424 if (n == 1)
4425 {
4426 /*
4427 * First loop: May expand environment variables. This
4428 * can be done much faster with expand_env() than with
4429 * something else (e.g., calling a shell).
4430 * After expanding environment variables, check again
4431 * if there are still wildcards present.
4432 */
4433 if (vim_strchr(eap->arg, '$') != NULL
4434 || vim_strchr(eap->arg, '~') != NULL)
4435 {
4436 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4437 TRUE, TRUE, NULL);
4438 has_wildcards = mch_has_wildcard(NameBuff);
4439 p = NameBuff;
4440 }
4441 else
4442 p = NULL;
4443 }
4444 else /* n == 2 */
4445 {
4446 expand_T xpc;
4447
4448 ExpandInit(&xpc);
4449 xpc.xp_context = EXPAND_FILES;
4450 p = ExpandOne(&xpc, eap->arg, NULL,
4451 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4452 WILD_EXPAND_FREE);
4453 if (p == NULL)
4454 return FAIL;
4455 }
4456 if (p != NULL)
4457 {
4458 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4459 p, cmdlinep);
4460 if (n == 2) /* p came from ExpandOne() */
4461 vim_free(p);
4462 }
4463 }
4464 }
4465 }
4466 return OK;
4467 }
4468
4469 /*
4470 * Replace part of the command line, keeping eap->cmd, eap->arg and
4471 * eap->nextcmd correct.
4472 * "src" points to the part that is to be replaced, of length "srclen".
4473 * "repl" is the replacement string.
4474 * Returns a pointer to the character after the replaced string.
4475 * Returns NULL for failure.
4476 */
4477 static char_u *
4478 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4479 exarg_T *eap;
4480 char_u *src;
4481 int srclen;
4482 char_u *repl;
4483 char_u **cmdlinep;
4484 {
4485 int len;
4486 int i;
4487 char_u *new_cmdline;
4488
4489 /*
4490 * The new command line is build in new_cmdline[].
4491 * First allocate it.
4492 * Careful: a "+cmd" argument may have been NUL terminated.
4493 */
4494 len = (int)STRLEN(repl);
4495 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4496 if (eap->nextcmd != NULL)
4497 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4498 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4499 return NULL; /* out of memory! */
4500
4501 /*
4502 * Copy the stuff before the expanded part.
4503 * Copy the expanded stuff.
4504 * Copy what came after the expanded part.
4505 * Copy the next commands, if there are any.
4506 */
4507 i = (int)(src - *cmdlinep); /* length of part before match */
4508 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4509
4510 mch_memmove(new_cmdline + i, repl, (size_t)len);
4511 i += len; /* remember the end of the string */
4512 STRCPY(new_cmdline + i, src + srclen);
4513 src = new_cmdline + i; /* remember where to continue */
4514
4515 if (eap->nextcmd != NULL) /* append next command */
4516 {
4517 i = (int)STRLEN(new_cmdline) + 1;
4518 STRCPY(new_cmdline + i, eap->nextcmd);
4519 eap->nextcmd = new_cmdline + i;
4520 }
4521 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4522 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4523 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4524 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4525 vim_free(*cmdlinep);
4526 *cmdlinep = new_cmdline;
4527
4528 return src;
4529 }
4530
4531 /*
4532 * Check for '|' to separate commands and '"' to start comments.
4533 */
4534 void
4535 separate_nextcmd(eap)
4536 exarg_T *eap;
4537 {
4538 char_u *p;
4539
4540 #ifdef FEAT_QUICKFIX
4541 p = skip_grep_pat(eap);
4542 #else
4543 p = eap->arg;
4544 #endif
4545
4546 for ( ; *p; mb_ptr_adv(p))
4547 {
4548 if (*p == Ctrl_V)
4549 {
4550 if (eap->argt & (USECTRLV | XFILE))
4551 ++p; /* skip CTRL-V and next char */
4552 else
4553 /* remove CTRL-V and skip next char */
4554 mch_memmove(p, p + 1, STRLEN(p));
4555 if (*p == NUL) /* stop at NUL after CTRL-V */
4556 break;
4557 }
4558
4559 #ifdef FEAT_EVAL
4560 /* Skip over `=expr` when wildcards are expanded. */
4561 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4562 {
4563 p += 2;
4564 (void)skip_expr(&p);
4565 }
4566 #endif
4567
4568 /* Check for '"': start of comment or '|': next command */
4569 /* :@" and :*" do not start a comment!
4570 * :redir @" doesn't either. */
4571 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4572 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4573 || p != eap->arg)
4574 && (eap->cmdidx != CMD_redir
4575 || p != eap->arg + 1 || p[-1] != '@'))
4576 || *p == '|' || *p == '\n')
4577 {
4578 /*
4579 * We remove the '\' before the '|', unless USECTRLV is used
4580 * AND 'b' is present in 'cpoptions'.
4581 */
4582 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4583 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4584 {
4585 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4586 --p;
4587 }
4588 else
4589 {
4590 eap->nextcmd = check_nextcmd(p);
4591 *p = NUL;
4592 break;
4593 }
4594 }
4595 }
4596
4597 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4598 del_trailing_spaces(eap->arg);
4599 }
4600
4601 /*
4602 * get + command from ex argument
4603 */
4604 static char_u *
4605 getargcmd(argp)
4606 char_u **argp;
4607 {
4608 char_u *arg = *argp;
4609 char_u *command = NULL;
4610
4611 if (*arg == '+') /* +[command] */
4612 {
4613 ++arg;
4614 if (vim_isspace(*arg))
4615 command = dollar_command;
4616 else
4617 {
4618 command = arg;
4619 arg = skip_cmd_arg(command, TRUE);
4620 if (*arg != NUL)
4621 *arg++ = NUL; /* terminate command with NUL */
4622 }
4623
4624 arg = skipwhite(arg); /* skip over spaces */
4625 *argp = arg;
4626 }
4627 return command;
4628 }
4629
4630 /*
4631 * Find end of "+command" argument. Skip over "\ " and "\\".
4632 */
4633 static char_u *
4634 skip_cmd_arg(p, rembs)
4635 char_u *p;
4636 int rembs; /* TRUE to halve the number of backslashes */
4637 {
4638 while (*p && !vim_isspace(*p))
4639 {
4640 if (*p == '\\' && p[1] != NUL)
4641 {
4642 if (rembs)
4643 mch_memmove(p, p + 1, STRLEN(p));
4644 else
4645 ++p;
4646 }
4647 mb_ptr_adv(p);
4648 }
4649 return p;
4650 }
4651
4652 /*
4653 * Get "++opt=arg" argument.
4654 * Return FAIL or OK.
4655 */
4656 static int
4657 getargopt(eap)
4658 exarg_T *eap;
4659 {
4660 char_u *arg = eap->arg + 2;
4661 int *pp = NULL;
4662 #ifdef FEAT_MBYTE
4663 char_u *p;
4664 #endif
4665
4666 /* ":edit ++[no]bin[ary] file" */
4667 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4668 {
4669 if (*arg == 'n')
4670 {
4671 arg += 2;
4672 eap->force_bin = FORCE_NOBIN;
4673 }
4674 else
4675 eap->force_bin = FORCE_BIN;
4676 if (!checkforcmd(&arg, "binary", 3))
4677 return FAIL;
4678 eap->arg = skipwhite(arg);
4679 return OK;
4680 }
4681
4682 /* ":read ++edit file" */
4683 if (STRNCMP(arg, "edit", 4) == 0)
4684 {
4685 eap->read_edit = TRUE;
4686 eap->arg = skipwhite(arg + 4);
4687 return OK;
4688 }
4689
4690 if (STRNCMP(arg, "ff", 2) == 0)
4691 {
4692 arg += 2;
4693 pp = &eap->force_ff;
4694 }
4695 else if (STRNCMP(arg, "fileformat", 10) == 0)
4696 {
4697 arg += 10;
4698 pp = &eap->force_ff;
4699 }
4700 #ifdef FEAT_MBYTE
4701 else if (STRNCMP(arg, "enc", 3) == 0)
4702 {
4703 arg += 3;
4704 pp = &eap->force_enc;
4705 }
4706 else if (STRNCMP(arg, "encoding", 8) == 0)
4707 {
4708 arg += 8;
4709 pp = &eap->force_enc;
4710 }
4711 else if (STRNCMP(arg, "bad", 3) == 0)
4712 {
4713 arg += 3;
4714 pp = &eap->bad_char;
4715 }
4716 #endif
4717
4718 if (pp == NULL || *arg != '=')
4719 return FAIL;
4720
4721 ++arg;
4722 *pp = (int)(arg - eap->cmd);
4723 arg = skip_cmd_arg(arg, FALSE);
4724 eap->arg = skipwhite(arg);
4725 *arg = NUL;
4726
4727 #ifdef FEAT_MBYTE
4728 if (pp == &eap->force_ff)
4729 {
4730 #endif
4731 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4732 return FAIL;
4733 #ifdef FEAT_MBYTE
4734 }
4735 else if (pp == &eap->force_enc)
4736 {
4737 /* Make 'fileencoding' lower case. */
4738 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4739 *p = TOLOWER_ASC(*p);
4740 }
4741 else
4742 {
4743 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4744 * "drop". */
4745 p = eap->cmd + eap->bad_char;
4746 if (STRICMP(p, "keep") == 0)
4747 eap->bad_char = BAD_KEEP;
4748 else if (STRICMP(p, "drop") == 0)
4749 eap->bad_char = BAD_DROP;
4750 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4751 eap->bad_char = *p;
4752 else
4753 return FAIL;
4754 }
4755 #endif
4756
4757 return OK;
4758 }
4759
4760 /*
4761 * ":abbreviate" and friends.
4762 */
4763 static void
4764 ex_abbreviate(eap)
4765 exarg_T *eap;
4766 {
4767 do_exmap(eap, TRUE); /* almost the same as mapping */
4768 }
4769
4770 /*
4771 * ":map" and friends.
4772 */
4773 static void
4774 ex_map(eap)
4775 exarg_T *eap;
4776 {
4777 /*
4778 * If we are sourcing .exrc or .vimrc in current directory we
4779 * print the mappings for security reasons.
4780 */
4781 if (secure)
4782 {
4783 secure = 2;
4784 msg_outtrans(eap->cmd);
4785 msg_putchar('\n');
4786 }
4787 do_exmap(eap, FALSE);
4788 }
4789
4790 /*
4791 * ":unmap" and friends.
4792 */
4793 static void
4794 ex_unmap(eap)
4795 exarg_T *eap;
4796 {
4797 do_exmap(eap, FALSE);
4798 }
4799
4800 /*
4801 * ":mapclear" and friends.
4802 */
4803 static void
4804 ex_mapclear(eap)
4805 exarg_T *eap;
4806 {
4807 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4808 }
4809
4810 /*
4811 * ":abclear" and friends.
4812 */
4813 static void
4814 ex_abclear(eap)
4815 exarg_T *eap;
4816 {
4817 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4818 }
4819
4820 #ifdef FEAT_AUTOCMD
4821 static void
4822 ex_autocmd(eap)
4823 exarg_T *eap;
4824 {
4825 /*
4826 * Disallow auto commands from .exrc and .vimrc in current
4827 * directory for security reasons.
4828 */
4829 if (secure)
4830 {
4831 secure = 2;
4832 eap->errmsg = e_curdir;
4833 }
4834 else if (eap->cmdidx == CMD_autocmd)
4835 do_autocmd(eap->arg, eap->forceit);
4836 else
4837 do_augroup(eap->arg, eap->forceit);
4838 }
4839
4840 /*
4841 * ":doautocmd": Apply the automatic commands to the current buffer.
4842 */
4843 static void
4844 ex_doautocmd(eap)
4845 exarg_T *eap;
4846 {
4847 (void)do_doautocmd(eap->arg, TRUE);
4848 do_modelines(0);
4849 }
4850 #endif
4851
4852 #ifdef FEAT_LISTCMDS
4853 /*
4854 * :[N]bunload[!] [N] [bufname] unload buffer
4855 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4856 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4857 */
4858 static void
4859 ex_bunload(eap)
4860 exarg_T *eap;
4861 {
4862 eap->errmsg = do_bufdel(
4863 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4864 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4865 : DOBUF_UNLOAD, eap->arg,
4866 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4867 }
4868
4869 /*
4870 * :[N]buffer [N] to buffer N
4871 * :[N]sbuffer [N] to buffer N
4872 */
4873 static void
4874 ex_buffer(eap)
4875 exarg_T *eap;
4876 {
4877 if (*eap->arg)
4878 eap->errmsg = e_trailing;
4879 else
4880 {
4881 if (eap->addr_count == 0) /* default is current buffer */
4882 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4883 else
4884 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4885 }
4886 }
4887
4888 /*
4889 * :[N]bmodified [N] to next mod. buffer
4890 * :[N]sbmodified [N] to next mod. buffer
4891 */
4892 static void
4893 ex_bmodified(eap)
4894 exarg_T *eap;
4895 {
4896 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4897 }
4898
4899 /*
4900 * :[N]bnext [N] to next buffer
4901 * :[N]sbnext [N] split and to next buffer
4902 */
4903 static void
4904 ex_bnext(eap)
4905 exarg_T *eap;
4906 {
4907 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4908 }
4909
4910 /*
4911 * :[N]bNext [N] to previous buffer
4912 * :[N]bprevious [N] to previous buffer
4913 * :[N]sbNext [N] split and to previous buffer
4914 * :[N]sbprevious [N] split and to previous buffer
4915 */
4916 static void
4917 ex_bprevious(eap)
4918 exarg_T *eap;
4919 {
4920 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4921 }
4922
4923 /*
4924 * :brewind to first buffer
4925 * :bfirst to first buffer
4926 * :sbrewind split and to first buffer
4927 * :sbfirst split and to first buffer
4928 */
4929 static void
4930 ex_brewind(eap)
4931 exarg_T *eap;
4932 {
4933 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4934 }
4935
4936 /*
4937 * :blast to last buffer
4938 * :sblast split and to last buffer
4939 */
4940 static void
4941 ex_blast(eap)
4942 exarg_T *eap;
4943 {
4944 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4945 }
4946 #endif
4947
4948 int
4949 ends_excmd(c)
4950 int c;
4951 {
4952 return (c == NUL || c == '|' || c == '"' || c == '\n');
4953 }
4954
4955 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4956 || defined(PROTO)
4957 /*
4958 * Return the next command, after the first '|' or '\n'.
4959 * Return NULL if not found.
4960 */
4961 char_u *
4962 find_nextcmd(p)
4963 char_u *p;
4964 {
4965 while (*p != '|' && *p != '\n')
4966 {
4967 if (*p == NUL)
4968 return NULL;
4969 ++p;
4970 }
4971 return (p + 1);
4972 }
4973 #endif
4974
4975 /*
4976 * Check if *p is a separator between Ex commands.
4977 * Return NULL if it isn't, (p + 1) if it is.
4978 */
4979 char_u *
4980 check_nextcmd(p)
4981 char_u *p;
4982 {
4983 p = skipwhite(p);
4984 if (*p == '|' || *p == '\n')
4985 return (p + 1);
4986 else
4987 return NULL;
4988 }
4989
4990 /*
4991 * - if there are more files to edit
4992 * - and this is the last window
4993 * - and forceit not used
4994 * - and not repeated twice on a row
4995 * return FAIL and give error message if 'message' TRUE
4996 * return OK otherwise
4997 */
4998 static int
4999 check_more(message, forceit)
5000 int message; /* when FALSE check only, no messages */
5001 int forceit;
5002 {
5003 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5004
5005 if (!forceit && only_one_window()
5006 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5007 {
5008 if (message)
5009 {
5010 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5011 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5012 {
5013 char_u buff[IOSIZE];
5014
5015 if (n == 1)
5016 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5017 else
5018 vim_snprintf((char *)buff, IOSIZE,
5019 _("%d more files to edit. Quit anyway?"), n);
5020 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5021 return OK;
5022 return FAIL;
5023 }
5024 #endif
5025 if (n == 1)
5026 EMSG(_("E173: 1 more file to edit"));
5027 else
5028 EMSGN(_("E173: %ld more files to edit"), n);
5029 quitmore = 2; /* next try to quit is allowed */
5030 }
5031 return FAIL;
5032 }
5033 return OK;
5034 }
5035
5036 #ifdef FEAT_CMDL_COMPL
5037 /*
5038 * Function given to ExpandGeneric() to obtain the list of command names.
5039 */
5040 /*ARGSUSED*/
5041 char_u *
5042 get_command_name(xp, idx)
5043 expand_T *xp;
5044 int idx;
5045 {
5046 if (idx >= (int)CMD_SIZE)
5047 # ifdef FEAT_USR_CMDS
5048 return get_user_command_name(idx);
5049 # else
5050 return NULL;
5051 # endif
5052 return cmdnames[idx].cmd_name;
5053 }
5054 #endif
5055
5056 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5057 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));
5058 static void uc_list __ARGS((char_u *name, size_t name_len));
5059 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5060 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5061 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));
5062
5063 static int
5064 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5065 char_u *name;
5066 size_t name_len;
5067 char_u *rep;
5068 long argt;
5069 long def;
5070 int flags;
5071 int compl;
5072 char_u *compl_arg;
5073 int force;
5074 {
5075 ucmd_T *cmd = NULL;
5076 char_u *p;
5077 int i;
5078 int cmp = 1;
5079 char_u *rep_buf = NULL;
5080 garray_T *gap;
5081
5082 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5083 if (rep_buf == NULL)
5084 {
5085 /* Can't replace termcodes - try using the string as is */
5086 rep_buf = vim_strsave(rep);
5087
5088 /* Give up if out of memory */
5089 if (rep_buf == NULL)
5090 return FAIL;
5091 }
5092
5093 /* get address of growarray: global or in curbuf */
5094 if (flags & UC_BUFFER)
5095 {
5096 gap = &curbuf->b_ucmds;
5097 if (gap->ga_itemsize == 0)
5098 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5099 }
5100 else
5101 gap = &ucmds;
5102
5103 /* Search for the command in the already defined commands. */
5104 for (i = 0; i < gap->ga_len; ++i)
5105 {
5106 size_t len;
5107
5108 cmd = USER_CMD_GA(gap, i);
5109 len = STRLEN(cmd->uc_name);
5110 cmp = STRNCMP(name, cmd->uc_name, name_len);
5111 if (cmp == 0)
5112 {
5113 if (name_len < len)
5114 cmp = -1;
5115 else if (name_len > len)
5116 cmp = 1;
5117 }
5118
5119 if (cmp == 0)
5120 {
5121 if (!force)
5122 {
5123 EMSG(_("E174: Command already exists: add ! to replace it"));
5124 goto fail;
5125 }
5126
5127 vim_free(cmd->uc_rep);
5128 cmd->uc_rep = 0;
5129 break;
5130 }
5131
5132 /* Stop as soon as we pass the name to add */
5133 if (cmp < 0)
5134 break;
5135 }
5136
5137 /* Extend the array unless we're replacing an existing command */
5138 if (cmp != 0)
5139 {
5140 if (ga_grow(gap, 1) != OK)
5141 goto fail;
5142 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5143 goto fail;
5144
5145 cmd = USER_CMD_GA(gap, i);
5146 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5147
5148 ++gap->ga_len;
5149
5150 cmd->uc_name = p;
5151 }
5152
5153 cmd->uc_rep = rep_buf;
5154 cmd->uc_argt = argt;
5155 cmd->uc_def = def;
5156 cmd->uc_compl = compl;
5157 #ifdef FEAT_EVAL
5158 cmd->uc_scriptID = current_SID;
5159 # ifdef FEAT_CMDL_COMPL
5160 cmd->uc_compl_arg = compl_arg;
5161 # endif
5162 #endif
5163
5164 return OK;
5165
5166 fail:
5167 vim_free(rep_buf);
5168 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5169 vim_free(compl_arg);
5170 #endif
5171 return FAIL;
5172 }
5173
5174 /*
5175 * List of names for completion for ":command" with the EXPAND_ flag.
5176 * Must be alphabetical for completion.
5177 */
5178 static struct
5179 {
5180 int expand;
5181 char *name;
5182 } command_complete[] =
5183 {
5184 {EXPAND_AUGROUP, "augroup"},
5185 {EXPAND_BUFFERS, "buffer"},
5186 {EXPAND_COMMANDS, "command"},
5187 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5188 {EXPAND_USER_DEFINED, "custom"},
5189 {EXPAND_USER_LIST, "customlist"},
5190 #endif
5191 {EXPAND_DIRECTORIES, "dir"},
5192 {EXPAND_ENV_VARS, "environment"},
5193 {EXPAND_EVENTS, "event"},
5194 {EXPAND_EXPRESSION, "expression"},
5195 {EXPAND_FILES, "file"},
5196 {EXPAND_FUNCTIONS, "function"},
5197 {EXPAND_HELP, "help"},
5198 {EXPAND_HIGHLIGHT, "highlight"},
5199 {EXPAND_MAPPINGS, "mapping"},
5200 {EXPAND_MENUS, "menu"},
5201 {EXPAND_SETTINGS, "option"},
5202 {EXPAND_SHELLCMD, "shellcmd"},
5203 {EXPAND_TAGS, "tag"},
5204 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5205 {EXPAND_USER_VARS, "var"},
5206 {0, NULL}
5207 };
5208
5209 static void
5210 uc_list(name, name_len)
5211 char_u *name;
5212 size_t name_len;
5213 {
5214 int i, j;
5215 int found = FALSE;
5216 ucmd_T *cmd;
5217 int len;
5218 long a;
5219 garray_T *gap;
5220
5221 gap = &curbuf->b_ucmds;
5222 for (;;)
5223 {
5224 for (i = 0; i < gap->ga_len; ++i)
5225 {
5226 cmd = USER_CMD_GA(gap, i);
5227 a = (long)cmd->uc_argt;
5228
5229 /* Skip commands which don't match the requested prefix */
5230 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5231 continue;
5232
5233 /* Put out the title first time */
5234 if (!found)
5235 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5236 found = TRUE;
5237 msg_putchar('\n');
5238 if (got_int)
5239 break;
5240
5241 /* Special cases */
5242 msg_putchar(a & BANG ? '!' : ' ');
5243 msg_putchar(a & REGSTR ? '"' : ' ');
5244 msg_putchar(gap != &ucmds ? 'b' : ' ');
5245 msg_putchar(' ');
5246
5247 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5248 len = (int)STRLEN(cmd->uc_name) + 4;
5249
5250 do {
5251 msg_putchar(' ');
5252 ++len;
5253 } while (len < 16);
5254
5255 len = 0;
5256
5257 /* Arguments */
5258 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5259 {
5260 case 0: IObuff[len++] = '0'; break;
5261 case (EXTRA): IObuff[len++] = '*'; break;
5262 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5263 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5264 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5265 }
5266
5267 do {
5268 IObuff[len++] = ' ';
5269 } while (len < 5);
5270
5271 /* Range */
5272 if (a & (RANGE|COUNT))
5273 {
5274 if (a & COUNT)
5275 {
5276 /* -count=N */
5277 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5278 len += (int)STRLEN(IObuff + len);
5279 }
5280 else if (a & DFLALL)
5281 IObuff[len++] = '%';
5282 else if (cmd->uc_def >= 0)
5283 {
5284 /* -range=N */
5285 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5286 len += (int)STRLEN(IObuff + len);
5287 }
5288 else
5289 IObuff[len++] = '.';
5290 }
5291
5292 do {
5293 IObuff[len++] = ' ';
5294 } while (len < 11);
5295
5296 /* Completion */
5297 for (j = 0; command_complete[j].expand != 0; ++j)
5298 if (command_complete[j].expand == cmd->uc_compl)
5299 {
5300 STRCPY(IObuff + len, command_complete[j].name);
5301 len += (int)STRLEN(IObuff + len);
5302 break;
5303 }
5304
5305 do {
5306 IObuff[len++] = ' ';
5307 } while (len < 21);
5308
5309 IObuff[len] = '\0';
5310 msg_outtrans(IObuff);
5311
5312 msg_outtrans_special(cmd->uc_rep, FALSE);
5313 #ifdef FEAT_EVAL
5314 if (p_verbose > 0)
5315 last_set_msg(cmd->uc_scriptID);
5316 #endif
5317 out_flush();
5318 ui_breakcheck();
5319 if (got_int)
5320 break;
5321 }
5322 if (gap == &ucmds || i < gap->ga_len)
5323 break;
5324 gap = &ucmds;
5325 }
5326
5327 if (!found)
5328 MSG(_("No user-defined commands found"));
5329 }
5330
5331 static char_u *
5332 uc_fun_cmd()
5333 {
5334 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5335 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5336 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5337 0xb9, 0x7f, 0};
5338 int i;
5339
5340 for (i = 0; fcmd[i]; ++i)
5341 IObuff[i] = fcmd[i] - 0x40;
5342 IObuff[i] = 0;
5343 return IObuff;
5344 }
5345
5346 static int
5347 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5348 char_u *attr;
5349 size_t len;
5350 long *argt;
5351 long *def;
5352 int *flags;
5353 int *compl;
5354 char_u **compl_arg;
5355 {
5356 char_u *p;
5357
5358 if (len == 0)
5359 {
5360 EMSG(_("E175: No attribute specified"));
5361 return FAIL;
5362 }
5363
5364 /* First, try the simple attributes (no arguments) */
5365 if (STRNICMP(attr, "bang", len) == 0)
5366 *argt |= BANG;
5367 else if (STRNICMP(attr, "buffer", len) == 0)
5368 *flags |= UC_BUFFER;
5369 else if (STRNICMP(attr, "register", len) == 0)
5370 *argt |= REGSTR;
5371 else if (STRNICMP(attr, "bar", len) == 0)
5372 *argt |= TRLBAR;
5373 else
5374 {
5375 int i;
5376 char_u *val = NULL;
5377 size_t vallen = 0;
5378 size_t attrlen = len;
5379
5380 /* Look for the attribute name - which is the part before any '=' */
5381 for (i = 0; i < (int)len; ++i)
5382 {
5383 if (attr[i] == '=')
5384 {
5385 val = &attr[i + 1];
5386 vallen = len - i - 1;
5387 attrlen = i;
5388 break;
5389 }
5390 }
5391
5392 if (STRNICMP(attr, "nargs", attrlen) == 0)
5393 {
5394 if (vallen == 1)
5395 {
5396 if (*val == '0')
5397 /* Do nothing - this is the default */;
5398 else if (*val == '1')
5399 *argt |= (EXTRA | NOSPC | NEEDARG);
5400 else if (*val == '*')
5401 *argt |= EXTRA;
5402 else if (*val == '?')
5403 *argt |= (EXTRA | NOSPC);
5404 else if (*val == '+')
5405 *argt |= (EXTRA | NEEDARG);
5406 else
5407 goto wrong_nargs;
5408 }
5409 else
5410 {
5411 wrong_nargs:
5412 EMSG(_("E176: Invalid number of arguments"));
5413 return FAIL;
5414 }
5415 }
5416 else if (STRNICMP(attr, "range", attrlen) == 0)
5417 {
5418 *argt |= RANGE;
5419 if (vallen == 1 && *val == '%')
5420 *argt |= DFLALL;
5421 else if (val != NULL)
5422 {
5423 p = val;
5424 if (*def >= 0)
5425 {
5426 two_count:
5427 EMSG(_("E177: Count cannot be specified twice"));
5428 return FAIL;
5429 }
5430
5431 *def = getdigits(&p);
5432 *argt |= (ZEROR | NOTADR);
5433
5434 if (p != val + vallen || vallen == 0)
5435 {
5436 invalid_count:
5437 EMSG(_("E178: Invalid default value for count"));
5438 return FAIL;
5439 }
5440 }
5441 }
5442 else if (STRNICMP(attr, "count", attrlen) == 0)
5443 {
5444 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5445
5446 if (val != NULL)
5447 {
5448 p = val;
5449 if (*def >= 0)
5450 goto two_count;
5451
5452 *def = getdigits(&p);
5453
5454 if (p != val + vallen)
5455 goto invalid_count;
5456 }
5457
5458 if (*def < 0)
5459 *def = 0;
5460 }
5461 else if (STRNICMP(attr, "complete", attrlen) == 0)
5462 {
5463 if (val == NULL)
5464 {
5465 EMSG(_("E179: argument required for -complete"));
5466 return FAIL;
5467 }
5468
5469 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5470 == FAIL)
5471 return FAIL;
5472 }
5473 else
5474 {
5475 char_u ch = attr[len];
5476 attr[len] = '\0';
5477 EMSG2(_("E181: Invalid attribute: %s"), attr);
5478 attr[len] = ch;
5479 return FAIL;
5480 }
5481 }
5482
5483 return OK;
5484 }
5485
5486 static void
5487 ex_command(eap)
5488 exarg_T *eap;
5489 {
5490 char_u *name;
5491 char_u *end;
5492 char_u *p;
5493 long argt = 0;
5494 long def = -1;
5495 int flags = 0;
5496 int compl = EXPAND_NOTHING;
5497 char_u *compl_arg = NULL;
5498 int has_attr = (eap->arg[0] == '-');
5499
5500 p = eap->arg;
5501
5502 /* Check for attributes */
5503 while (*p == '-')
5504 {
5505 ++p;
5506 end = skiptowhite(p);
5507 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5508 == FAIL)
5509 return;
5510 p = skipwhite(end);
5511 }
5512
5513 /* Get the name (if any) and skip to the following argument */
5514 name = p;
5515 if (ASCII_ISALPHA(*p))
5516 while (ASCII_ISALNUM(*p))
5517 ++p;
5518 if (!ends_excmd(*p) && !vim_iswhite(*p))
5519 {
5520 EMSG(_("E182: Invalid command name"));
5521 return;
5522 }
5523 end = p;
5524
5525 /* If there is nothing after the name, and no attributes were specified,
5526 * we are listing commands
5527 */
5528 p = skipwhite(end);
5529 if (!has_attr && ends_excmd(*p))
5530 {
5531 uc_list(name, end - name);
5532 }
5533 else if (!ASCII_ISUPPER(*name))
5534 {
5535 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5536 return;
5537 }
5538 else
5539 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5540 eap->forceit);
5541 }
5542
5543 /*
5544 * ":comclear"
5545 * Clear all user commands, global and for current buffer.
5546 */
5547 /*ARGSUSED*/
5548 void
5549 ex_comclear(eap)
5550 exarg_T *eap;
5551 {
5552 uc_clear(&ucmds);
5553 uc_clear(&curbuf->b_ucmds);
5554 }
5555
5556 /*
5557 * Clear all user commands for "gap".
5558 */
5559 void
5560 uc_clear(gap)
5561 garray_T *gap;
5562 {
5563 int i;
5564 ucmd_T *cmd;
5565
5566 for (i = 0; i < gap->ga_len; ++i)
5567 {
5568 cmd = USER_CMD_GA(gap, i);
5569 vim_free(cmd->uc_name);
5570 vim_free(cmd->uc_rep);
5571 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5572 vim_free(cmd->uc_compl_arg);
5573 # endif
5574 }
5575 ga_clear(gap);
5576 }
5577
5578 static void
5579 ex_delcommand(eap)
5580 exarg_T *eap;
5581 {
5582 int i = 0;
5583 ucmd_T *cmd = NULL;
5584 int cmp = -1;
5585 garray_T *gap;
5586
5587 gap = &curbuf->b_ucmds;
5588 for (;;)
5589 {
5590 for (i = 0; i < gap->ga_len; ++i)
5591 {
5592 cmd = USER_CMD_GA(gap, i);
5593 cmp = STRCMP(eap->arg, cmd->uc_name);
5594 if (cmp <= 0)
5595 break;
5596 }
5597 if (gap == &ucmds || cmp == 0)
5598 break;
5599 gap = &ucmds;
5600 }
5601
5602 if (cmp != 0)
5603 {
5604 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5605 return;
5606 }
5607
5608 vim_free(cmd->uc_name);
5609 vim_free(cmd->uc_rep);
5610 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5611 vim_free(cmd->uc_compl_arg);
5612 # endif
5613
5614 --gap->ga_len;
5615
5616 if (i < gap->ga_len)
5617 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5618 }
5619
5620 /*
5621 * split and quote args for <f-args>
5622 */
5623 static char_u *
5624 uc_split_args(arg, lenp)
5625 char_u *arg;
5626 size_t *lenp;
5627 {
5628 char_u *buf;
5629 char_u *p;
5630 char_u *q;
5631 int len;
5632
5633 /* Precalculate length */
5634 p = arg;
5635 len = 2; /* Initial and final quotes */
5636
5637 while (*p)
5638 {
5639 if (p[0] == '\\' && p[1] == '\\')
5640 {
5641 len += 2;
5642 p += 2;
5643 }
5644 else if (p[0] == '\\' && vim_iswhite(p[1]))
5645 {
5646 len += 1;
5647 p += 2;
5648 }
5649 else if (*p == '\\' || *p == '"')
5650 {
5651 len += 2;
5652 p += 1;
5653 }
5654 else if (vim_iswhite(*p))
5655 {
5656 p = skipwhite(p);
5657 if (*p == NUL)
5658 break;
5659 len += 3; /* "," */
5660 }
5661 else
5662 {
5663 ++len;
5664 ++p;
5665 }
5666 }
5667
5668 buf = alloc(len + 1);
5669 if (buf == NULL)
5670 {
5671 *lenp = 0;
5672 return buf;
5673 }
5674
5675 p = arg;
5676 q = buf;
5677 *q++ = '"';
5678 while (*p)
5679 {
5680 if (p[0] == '\\' && p[1] == '\\')
5681 {
5682 *q++ = '\\';
5683 *q++ = '\\';
5684 p += 2;
5685 }
5686 else if (p[0] == '\\' && vim_iswhite(p[1]))
5687 {
5688 *q++ = p[1];
5689 p += 2;
5690 }
5691 else if (*p == '\\' || *p == '"')
5692 {
5693 *q++ = '\\';
5694 *q++ = *p++;
5695 }
5696 else if (vim_iswhite(*p))
5697 {
5698 p = skipwhite(p);
5699 if (*p == NUL)
5700 break;
5701 *q++ = '"';
5702 *q++ = ',';
5703 *q++ = '"';
5704 }
5705 else
5706 {
5707 *q++ = *p++;
5708 }
5709 }
5710 *q++ = '"';
5711 *q = 0;
5712
5713 *lenp = len;
5714 return buf;
5715 }
5716
5717 /*
5718 * Check for a <> code in a user command.
5719 * "code" points to the '<'. "len" the length of the <> (inclusive).
5720 * "buf" is where the result is to be added.
5721 * "split_buf" points to a buffer used for splitting, caller should free it.
5722 * "split_len" is the length of what "split_buf" contains.
5723 * Returns the length of the replacement, which has been added to "buf".
5724 * Returns -1 if there was no match, and only the "<" has been copied.
5725 */
5726 static size_t
5727 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5728 char_u *code;
5729 size_t len;
5730 char_u *buf;
5731 ucmd_T *cmd; /* the user command we're expanding */
5732 exarg_T *eap; /* ex arguments */
5733 char_u **split_buf;
5734 size_t *split_len;
5735 {
5736 size_t result = 0;
5737 char_u *p = code + 1;
5738 size_t l = len - 2;
5739 int quote = 0;
5740 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5741 ct_LT, ct_NONE } type = ct_NONE;
5742
5743 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5744 {
5745 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5746 p += 2;
5747 l -= 2;
5748 }
5749
5750 ++l;
5751 if (l <= 1)
5752 type = ct_NONE;
5753 else if (STRNICMP(p, "args>", l) == 0)
5754 type = ct_ARGS;
5755 else if (STRNICMP(p, "bang>", l) == 0)
5756 type = ct_BANG;
5757 else if (STRNICMP(p, "count>", l) == 0)
5758 type = ct_COUNT;
5759 else if (STRNICMP(p, "line1>", l) == 0)
5760 type = ct_LINE1;
5761 else if (STRNICMP(p, "line2>", l) == 0)
5762 type = ct_LINE2;
5763 else if (STRNICMP(p, "lt>", l) == 0)
5764 type = ct_LT;
5765 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5766 type = ct_REGISTER;
5767
5768 switch (type)
5769 {
5770 case ct_ARGS:
5771 /* Simple case first */
5772 if (*eap->arg == NUL)
5773 {
5774 if (quote == 1)
5775 {
5776 result = 2;
5777 if (buf != NULL)
5778 STRCPY(buf, "''");
5779 }
5780 else
5781 result = 0;
5782 break;
5783 }
5784
5785 /* When specified there is a single argument don't split it.
5786 * Works for ":Cmd %" when % is "a b c". */
5787 if ((eap->argt & NOSPC) && quote == 2)
5788 quote = 1;
5789
5790 switch (quote)
5791 {
5792 case 0: /* No quoting, no splitting */
5793 result = STRLEN(eap->arg);
5794 if (buf != NULL)
5795 STRCPY(buf, eap->arg);
5796 break;
5797 case 1: /* Quote, but don't split */
5798 result = STRLEN(eap->arg) + 2;
5799 for (p = eap->arg; *p; ++p)
5800 {
5801 if (*p == '\\' || *p == '"')
5802 ++result;
5803 }
5804
5805 if (buf != NULL)
5806 {
5807 *buf++ = '"';
5808 for (p = eap->arg; *p; ++p)
5809 {
5810 if (*p == '\\' || *p == '"')
5811 *buf++ = '\\';
5812 *buf++ = *p;
5813 }
5814 *buf = '"';
5815 }
5816
5817 break;
5818 case 2: /* Quote and split (<f-args>) */
5819 /* This is hard, so only do it once, and cache the result */
5820 if (*split_buf == NULL)
5821 *split_buf = uc_split_args(eap->arg, split_len);
5822
5823 result = *split_len;
5824 if (buf != NULL && result != 0)
5825 STRCPY(buf, *split_buf);
5826
5827 break;
5828 }
5829 break;
5830
5831 case ct_BANG:
5832 result = eap->forceit ? 1 : 0;
5833 if (quote)
5834 result += 2;
5835 if (buf != NULL)
5836 {
5837 if (quote)
5838 *buf++ = '"';
5839 if (eap->forceit)
5840 *buf++ = '!';
5841 if (quote)
5842 *buf = '"';
5843 }
5844 break;
5845
5846 case ct_LINE1:
5847 case ct_LINE2:
5848 case ct_COUNT:
5849 {
5850 char num_buf[20];
5851 long num = (type == ct_LINE1) ? eap->line1 :
5852 (type == ct_LINE2) ? eap->line2 :
5853 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5854 size_t num_len;
5855
5856 sprintf(num_buf, "%ld", num);
5857 num_len = STRLEN(num_buf);
5858 result = num_len;
5859
5860 if (quote)
5861 result += 2;
5862
5863 if (buf != NULL)
5864 {
5865 if (quote)
5866 *buf++ = '"';
5867 STRCPY(buf, num_buf);
5868 buf += num_len;
5869 if (quote)
5870 *buf = '"';
5871 }
5872
5873 break;
5874 }
5875
5876 case ct_REGISTER:
5877 result = eap->regname ? 1 : 0;
5878 if (quote)
5879 result += 2;
5880 if (buf != NULL)
5881 {
5882 if (quote)
5883 *buf++ = '\'';
5884 if (eap->regname)
5885 *buf++ = eap->regname;
5886 if (quote)
5887 *buf = '\'';
5888 }
5889 break;
5890
5891 case ct_LT:
5892 result = 1;
5893 if (buf != NULL)
5894 *buf = '<';
5895 break;
5896
5897 default:
5898 /* Not recognized: just copy the '<' and return -1. */
5899 result = (size_t)-1;
5900 if (buf != NULL)
5901 *buf = '<';
5902 break;
5903 }
5904
5905 return result;
5906 }
5907
5908 static void
5909 do_ucmd(eap)
5910 exarg_T *eap;
5911 {
5912 char_u *buf;
5913 char_u *p;
5914 char_u *q;
5915
5916 char_u *start;
5917 char_u *end;
5918 size_t len, totlen;
5919
5920 size_t split_len = 0;
5921 char_u *split_buf = NULL;
5922 ucmd_T *cmd;
5923 #ifdef FEAT_EVAL
5924 scid_T save_current_SID = current_SID;
5925 #endif
5926
5927 if (eap->cmdidx == CMD_USER)
5928 cmd = USER_CMD(eap->useridx);
5929 else
5930 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5931
5932 /*
5933 * Replace <> in the command by the arguments.
5934 */
5935 buf = NULL;
5936 for (;;)
5937 {
5938 p = cmd->uc_rep;
5939 q = buf;
5940 totlen = 0;
5941 while ((start = vim_strchr(p, '<')) != NULL
5942 && (end = vim_strchr(start + 1, '>')) != NULL)
5943 {
5944 /* Include the '>' */
5945 ++end;
5946
5947 /* Take everything up to the '<' */
5948 len = start - p;
5949 if (buf == NULL)
5950 totlen += len;
5951 else
5952 {
5953 mch_memmove(q, p, len);
5954 q += len;
5955 }
5956
5957 len = uc_check_code(start, end - start, q, cmd, eap,
5958 &split_buf, &split_len);
5959 if (len == (size_t)-1)
5960 {
5961 /* no match, continue after '<' */
5962 p = start + 1;
5963 len = 1;
5964 }
5965 else
5966 p = end;
5967 if (buf == NULL)
5968 totlen += len;
5969 else
5970 q += len;
5971 }
5972 if (buf != NULL) /* second time here, finished */
5973 {
5974 STRCPY(q, p);
5975 break;
5976 }
5977
5978 totlen += STRLEN(p); /* Add on the trailing characters */
5979 buf = alloc((unsigned)(totlen + 1));
5980 if (buf == NULL)
5981 {
5982 vim_free(split_buf);
5983 return;
5984 }
5985 }
5986
5987 #ifdef FEAT_EVAL
5988 current_SID = cmd->uc_scriptID;
5989 #endif
5990 (void)do_cmdline(buf, eap->getline, eap->cookie,
5991 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5992 #ifdef FEAT_EVAL
5993 current_SID = save_current_SID;
5994 #endif
5995 vim_free(buf);
5996 vim_free(split_buf);
5997 }
5998
5999 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6000 static char_u *
6001 get_user_command_name(idx)
6002 int idx;
6003 {
6004 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6005 }
6006
6007 /*
6008 * Function given to ExpandGeneric() to obtain the list of user command names.
6009 */
6010 /*ARGSUSED*/
6011 char_u *
6012 get_user_commands(xp, idx)
6013 expand_T *xp;
6014 int idx;
6015 {
6016 if (idx < curbuf->b_ucmds.ga_len)
6017 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6018 idx -= curbuf->b_ucmds.ga_len;
6019 if (idx < ucmds.ga_len)
6020 return USER_CMD(idx)->uc_name;
6021 return NULL;
6022 }
6023
6024 /*
6025 * Function given to ExpandGeneric() to obtain the list of user command
6026 * attributes.
6027 */
6028 /*ARGSUSED*/
6029 char_u *
6030 get_user_cmd_flags(xp, idx)
6031 expand_T *xp;
6032 int idx;
6033 {
6034 static char *user_cmd_flags[] =
6035 {"bang", "bar", "buffer", "complete", "count",
6036 "nargs", "range", "register"};
6037
6038 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6039 return NULL;
6040 return (char_u *)user_cmd_flags[idx];
6041 }
6042
6043 /*
6044 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6045 */
6046 /*ARGSUSED*/
6047 char_u *
6048 get_user_cmd_nargs(xp, idx)
6049 expand_T *xp;
6050 int idx;
6051 {
6052 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6053
6054 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6055 return NULL;
6056 return (char_u *)user_cmd_nargs[idx];
6057 }
6058
6059 /*
6060 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6061 */
6062 /*ARGSUSED*/
6063 char_u *
6064 get_user_cmd_complete(xp, idx)
6065 expand_T *xp;
6066 int idx;
6067 {
6068 return (char_u *)command_complete[idx].name;
6069 }
6070 # endif /* FEAT_CMDL_COMPL */
6071
6072 #endif /* FEAT_USR_CMDS */
6073
6074 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6075 /*
6076 * Parse a completion argument "value[vallen]".
6077 * The detected completion goes in "*complp", argument type in "*argt".
6078 * When there is an argument, for function and user defined completion, it's
6079 * copied to allocated memory and stored in "*compl_arg".
6080 * Returns FAIL if something is wrong.
6081 */
6082 int
6083 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6084 char_u *value;
6085 int vallen;
6086 int *complp;
6087 long *argt;
6088 char_u **compl_arg;
6089 {
6090 char_u *arg = NULL;
6091 size_t arglen = 0;
6092 int i;
6093 int valend = vallen;
6094
6095 /* Look for any argument part - which is the part after any ',' */
6096 for (i = 0; i < vallen; ++i)
6097 {
6098 if (value[i] == ',')
6099 {
6100 arg = &value[i + 1];
6101 arglen = vallen - i - 1;
6102 valend = i;
6103 break;
6104 }
6105 }
6106
6107 for (i = 0; command_complete[i].expand != 0; ++i)
6108 {
6109 if ((int)STRLEN(command_complete[i].name) == valend
6110 && STRNCMP(value, command_complete[i].name, valend) == 0)
6111 {
6112 *complp = command_complete[i].expand;
6113 if (command_complete[i].expand == EXPAND_BUFFERS)
6114 *argt |= BUFNAME;
6115 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6116 || command_complete[i].expand == EXPAND_FILES)
6117 *argt |= XFILE;
6118 break;
6119 }
6120 }
6121
6122 if (command_complete[i].expand == 0)
6123 {
6124 EMSG2(_("E180: Invalid complete value: %s"), value);
6125 return FAIL;
6126 }
6127
6128 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6129 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6130 && arg != NULL)
6131 # else
6132 if (arg != NULL)
6133 # endif
6134 {
6135 EMSG(_("E468: Completion argument only allowed for custom completion"));
6136 return FAIL;
6137 }
6138
6139 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6140 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6141 && arg == NULL)
6142 {
6143 EMSG(_("E467: Custom completion requires a function argument"));
6144 return FAIL;
6145 }
6146
6147 if (arg != NULL)
6148 *compl_arg = vim_strnsave(arg, (int)arglen);
6149 # endif
6150 return OK;
6151 }
6152 #endif
6153
6154 static void
6155 ex_colorscheme(eap)
6156 exarg_T *eap;
6157 {
6158 if (load_colors(eap->arg) == FAIL)
6159 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6160 }
6161
6162 static void
6163 ex_highlight(eap)
6164 exarg_T *eap;
6165 {
6166 if (*eap->arg == NUL && eap->cmd[2] == '!')
6167 MSG(_("Greetings, Vim user!"));
6168 do_highlight(eap->arg, eap->forceit, FALSE);
6169 }
6170
6171
6172 /*
6173 * Call this function if we thought we were going to exit, but we won't
6174 * (because of an error). May need to restore the terminal mode.
6175 */
6176 void
6177 not_exiting()
6178 {
6179 exiting = FALSE;
6180 settmode(TMODE_RAW);
6181 }
6182
6183 /*
6184 * ":quit": quit current window, quit Vim if closed the last window.
6185 */
6186 static void
6187 ex_quit(eap)
6188 exarg_T *eap;
6189 {
6190 #ifdef FEAT_CMDWIN
6191 if (cmdwin_type != 0)
6192 {
6193 cmdwin_result = Ctrl_C;
6194 return;
6195 }
6196 #endif
6197 /* Don't quit while editing the command line. */
6198 if (text_locked())
6199 {
6200 text_locked_msg();
6201 return;
6202 }
6203 #ifdef FEAT_AUTOCMD
6204 if (curbuf_locked())
6205 return;
6206 #endif
6207
6208 #ifdef FEAT_NETBEANS_INTG
6209 netbeansForcedQuit = eap->forceit;
6210 #endif
6211
6212 /*
6213 * If there are more files or windows we won't exit.
6214 */
6215 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6216 exiting = TRUE;
6217 if ((!P_HID(curbuf)
6218 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6219 || check_more(TRUE, eap->forceit) == FAIL
6220 || (only_one_window() && check_changed_any(eap->forceit)))
6221 {
6222 not_exiting();
6223 }
6224 else
6225 {
6226 #ifdef FEAT_WINDOWS
6227 if (only_one_window()) /* quit last window */
6228 #endif
6229 getout(0);
6230 #ifdef FEAT_WINDOWS
6231 # ifdef FEAT_GUI
6232 need_mouse_correct = TRUE;
6233 # endif
6234 /* close window; may free buffer */
6235 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6236 #endif
6237 }
6238 }
6239
6240 /*
6241 * ":cquit".
6242 */
6243 /*ARGSUSED*/
6244 static void
6245 ex_cquit(eap)
6246 exarg_T *eap;
6247 {
6248 getout(1); /* this does not always pass on the exit code to the Manx
6249 compiler. why? */
6250 }
6251
6252 /*
6253 * ":qall": try to quit all windows
6254 */
6255 static void
6256 ex_quit_all(eap)
6257 exarg_T *eap;
6258 {
6259 # ifdef FEAT_CMDWIN
6260 if (cmdwin_type != 0)
6261 {
6262 if (eap->forceit)
6263 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6264 else
6265 cmdwin_result = K_XF2;
6266 return;
6267 }
6268 # endif
6269
6270 /* Don't quit while editing the command line. */
6271 if (text_locked())
6272 {
6273 text_locked_msg();
6274 return;
6275 }
6276 #ifdef FEAT_AUTOCMD
6277 if (curbuf_locked())
6278 return;
6279 #endif
6280
6281 exiting = TRUE;
6282 if (eap->forceit || !check_changed_any(FALSE))
6283 getout(0);
6284 not_exiting();
6285 }
6286
6287 #if defined(FEAT_WINDOWS) || defined(PROTO)
6288 /*
6289 * ":close": close current window, unless it is the last one
6290 */
6291 static void
6292 ex_close(eap)
6293 exarg_T *eap;
6294 {
6295 # ifdef FEAT_CMDWIN
6296 if (cmdwin_type != 0)
6297 cmdwin_result = K_IGNORE;
6298 else
6299 # endif
6300 if (!text_locked()
6301 #ifdef FEAT_AUTOCMD
6302 && !curbuf_locked()
6303 #endif
6304 )
6305 ex_win_close(eap->forceit, curwin, NULL);
6306 }
6307
6308 # ifdef FEAT_QUICKFIX
6309 /*
6310 * ":pclose": Close any preview window.
6311 */
6312 static void
6313 ex_pclose(eap)
6314 exarg_T *eap;
6315 {
6316 win_T *win;
6317
6318 for (win = firstwin; win != NULL; win = win->w_next)
6319 if (win->w_p_pvw)
6320 {
6321 ex_win_close(eap->forceit, win, NULL);
6322 break;
6323 }
6324 }
6325 # endif
6326
6327 /*
6328 * Close window "win" and take care of handling closing the last window for a
6329 * modified buffer.
6330 */
6331 static void
6332 ex_win_close(forceit, win, tp)
6333 int forceit;
6334 win_T *win;
6335 tabpage_T *tp; /* NULL or the tab page "win" is in */
6336 {
6337 int need_hide;
6338 buf_T *buf = win->w_buffer;
6339
6340 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6341 if (need_hide && !P_HID(buf) && !forceit)
6342 {
6343 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6344 if ((p_confirm || cmdmod.confirm) && p_write)
6345 {
6346 dialog_changed(buf, FALSE);
6347 if (buf_valid(buf) && bufIsChanged(buf))
6348 return;
6349 need_hide = FALSE;
6350 }
6351 else
6352 # endif
6353 {
6354 EMSG(_(e_nowrtmsg));
6355 return;
6356 }
6357 }
6358
6359 # ifdef FEAT_GUI
6360 need_mouse_correct = TRUE;
6361 # endif
6362
6363 /* free buffer when not hiding it or when it's a scratch buffer */
6364 if (tp == NULL)
6365 win_close(win, !need_hide && !P_HID(buf));
6366 else
6367 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6368 }
6369
6370 /*
6371 * ":tabclose": close current tab page, unless it is the last one.
6372 * ":tabclose N": close tab page N.
6373 */
6374 static void
6375 ex_tabclose(eap)
6376 exarg_T *eap;
6377 {
6378 tabpage_T *tp;
6379
6380 # ifdef FEAT_CMDWIN
6381 if (cmdwin_type != 0)
6382 cmdwin_result = K_IGNORE;
6383 else
6384 # endif
6385 if (first_tabpage->tp_next == NULL)
6386 EMSG(_("E784: Cannot close last tab page"));
6387 else
6388 {
6389 if (eap->addr_count > 0)
6390 {
6391 tp = find_tabpage((int)eap->line2);
6392 if (tp == NULL)
6393 {
6394 beep_flush();
6395 return;
6396 }
6397 if (tp != curtab)
6398 {
6399 tabpage_close_other(tp, eap->forceit);
6400 return;
6401 }
6402 }
6403 if (!text_locked()
6404 #ifdef FEAT_AUTOCMD
6405 && !curbuf_locked()
6406 #endif
6407 )
6408 tabpage_close(eap->forceit);
6409 }
6410 }
6411
6412 /*
6413 * ":tabonly": close all tab pages except the current one
6414 */
6415 static void
6416 ex_tabonly(eap)
6417 exarg_T *eap;
6418 {
6419 tabpage_T *tp;
6420 int done;
6421
6422 # ifdef FEAT_CMDWIN
6423 if (cmdwin_type != 0)
6424 cmdwin_result = K_IGNORE;
6425 else
6426 # endif
6427 if (first_tabpage->tp_next == NULL)
6428 MSG(_("Already only one tab page"));
6429 else
6430 {
6431 /* Repeat this up to a 1000 times, because autocommands may mess
6432 * up the lists. */
6433 for (done = 0; done < 1000; ++done)
6434 {
6435 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6436 if (tp->tp_topframe != topframe)
6437 {
6438 tabpage_close_other(tp, eap->forceit);
6439 /* if we failed to close it quit */
6440 if (valid_tabpage(tp))
6441 done = 1000;
6442 /* start over, "tp" is now invalid */
6443 break;
6444 }
6445 if (first_tabpage->tp_next == NULL)
6446 break;
6447 }
6448 }
6449 }
6450
6451 /*
6452 * Close the current tab page.
6453 */
6454 void
6455 tabpage_close(forceit)
6456 int forceit;
6457 {
6458 /* First close all the windows but the current one. If that worked then
6459 * close the last window in this tab, that will close it. */
6460 if (lastwin != firstwin)
6461 close_others(TRUE, forceit);
6462 if (lastwin == firstwin)
6463 ex_win_close(forceit, curwin, NULL);
6464 # ifdef FEAT_GUI
6465 need_mouse_correct = TRUE;
6466 # endif
6467 }
6468
6469 /*
6470 * Close tab page "tp", which is not the current tab page.
6471 * Note that autocommands may make "tp" invalid.
6472 * Also takes care of the tab pages line disappearing when closing the
6473 * last-but-one tab page.
6474 */
6475 void
6476 tabpage_close_other(tp, forceit)
6477 tabpage_T *tp;
6478 int forceit;
6479 {
6480 int done = 0;
6481 win_T *wp;
6482 int h = tabline_height();
6483
6484 /* Limit to 1000 windows, autocommands may add a window while we close
6485 * one. OK, so I'm paranoid... */
6486 while (++done < 1000)
6487 {
6488 wp = tp->tp_firstwin;
6489 ex_win_close(forceit, wp, tp);
6490
6491 /* Autocommands may delete the tab page under our fingers and we may
6492 * fail to close a window with a modified buffer. */
6493 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6494 break;
6495 }
6496
6497 redraw_tabline = TRUE;
6498 if (h != tabline_height())
6499 shell_new_rows();
6500 }
6501
6502 /*
6503 * ":only".
6504 */
6505 static void
6506 ex_only(eap)
6507 exarg_T *eap;
6508 {
6509 # ifdef FEAT_GUI
6510 need_mouse_correct = TRUE;
6511 # endif
6512 close_others(TRUE, eap->forceit);
6513 }
6514
6515 /*
6516 * ":all" and ":sall".
6517 * Also used for ":tab drop file ..." after setting the argument list.
6518 */
6519 void
6520 ex_all(eap)
6521 exarg_T *eap;
6522 {
6523 if (eap->addr_count == 0)
6524 eap->line2 = 9999;
6525 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6526 }
6527 #endif /* FEAT_WINDOWS */
6528
6529 static void
6530 ex_hide(eap)
6531 exarg_T *eap;
6532 {
6533 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6534 eap->errmsg = e_invarg;
6535 else
6536 {
6537 /* ":hide" or ":hide | cmd": hide current window */
6538 eap->nextcmd = check_nextcmd(eap->arg);
6539 #ifdef FEAT_WINDOWS
6540 if (!eap->skip)
6541 {
6542 # ifdef FEAT_GUI
6543 need_mouse_correct = TRUE;
6544 # endif
6545 win_close(curwin, FALSE); /* don't free buffer */
6546 }
6547 #endif
6548 }
6549 }
6550
6551 /*
6552 * ":stop" and ":suspend": Suspend Vim.
6553 */
6554 static void
6555 ex_stop(eap)
6556 exarg_T *eap;
6557 {
6558 /*
6559 * Disallow suspending for "rvim".
6560 */
6561 if (!check_restricted()
6562 #ifdef WIN3264
6563 /*
6564 * Check if external commands are allowed now.
6565 */
6566 && can_end_termcap_mode(TRUE)
6567 #endif
6568 )
6569 {
6570 if (!eap->forceit)
6571 autowrite_all();
6572 windgoto((int)Rows - 1, 0);
6573 out_char('\n');
6574 out_flush();
6575 stoptermcap();
6576 out_flush(); /* needed for SUN to restore xterm buffer */
6577 #ifdef FEAT_TITLE
6578 mch_restore_title(3); /* restore window titles */
6579 #endif
6580 ui_suspend(); /* call machine specific function */
6581 #ifdef FEAT_TITLE
6582 maketitle();
6583 resettitle(); /* force updating the title */
6584 #endif
6585 starttermcap();
6586 scroll_start(); /* scroll screen before redrawing */
6587 redraw_later_clear();
6588 shell_resized(); /* may have resized window */
6589 }
6590 }
6591
6592 /*
6593 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6594 */
6595 static void
6596 ex_exit(eap)
6597 exarg_T *eap;
6598 {
6599 #ifdef FEAT_CMDWIN
6600 if (cmdwin_type != 0)
6601 {
6602 cmdwin_result = Ctrl_C;
6603 return;
6604 }
6605 #endif
6606 /* Don't quit while editing the command line. */
6607 if (text_locked())
6608 {
6609 text_locked_msg();
6610 return;
6611 }
6612 #ifdef FEAT_AUTOCMD
6613 if (curbuf_locked())
6614 return;
6615 #endif
6616
6617 /*
6618 * if more files or windows we won't exit
6619 */
6620 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6621 exiting = TRUE;
6622 if ( ((eap->cmdidx == CMD_wq
6623 || curbufIsChanged())
6624 && do_write(eap) == FAIL)
6625 || check_more(TRUE, eap->forceit) == FAIL
6626 || (only_one_window() && check_changed_any(eap->forceit)))
6627 {
6628 not_exiting();
6629 }
6630 else
6631 {
6632 #ifdef FEAT_WINDOWS
6633 if (only_one_window()) /* quit last window, exit Vim */
6634 #endif
6635 getout(0);
6636 #ifdef FEAT_WINDOWS
6637 # ifdef FEAT_GUI
6638 need_mouse_correct = TRUE;
6639 # endif
6640 /* quit current window, may free buffer */
6641 win_close(curwin, !P_HID(curwin->w_buffer));
6642 #endif
6643 }
6644 }
6645
6646 /*
6647 * ":print", ":list", ":number".
6648 */
6649 static void
6650 ex_print(eap)
6651 exarg_T *eap;
6652 {
6653 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6654 EMSG(_(e_emptybuf));
6655 else
6656 {
6657 for ( ;!got_int; ui_breakcheck())
6658 {
6659 print_line(eap->line1,
6660 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6661 || (eap->flags & EXFLAG_NR)),
6662 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6663 if (++eap->line1 > eap->line2)
6664 break;
6665 out_flush(); /* show one line at a time */
6666 }
6667 setpcmark();
6668 /* put cursor at last line */
6669 curwin->w_cursor.lnum = eap->line2;
6670 beginline(BL_SOL | BL_FIX);
6671 }
6672
6673 ex_no_reprint = TRUE;
6674 }
6675
6676 #ifdef FEAT_BYTEOFF
6677 static void
6678 ex_goto(eap)
6679 exarg_T *eap;
6680 {
6681 goto_byte(eap->line2);
6682 }
6683 #endif
6684
6685 /*
6686 * ":shell".
6687 */
6688 /*ARGSUSED*/
6689 static void
6690 ex_shell(eap)
6691 exarg_T *eap;
6692 {
6693 do_shell(NULL, 0);
6694 }
6695
6696 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6697 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6698 || defined(FEAT_GUI_MSWIN) \
6699 || defined(FEAT_GUI_MAC) \
6700 || defined(PROTO)
6701
6702 /*
6703 * Handle a file drop. The code is here because a drop is *nearly* like an
6704 * :args command, but not quite (we have a list of exact filenames, so we
6705 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6706 * code is very similar to :args and hence needs access to a lot of the static
6707 * functions in this file.
6708 *
6709 * The list should be allocated using alloc(), as should each item in the
6710 * list. This function takes over responsibility for freeing the list.
6711 *
6712 * XXX The list is made into the argument list. This is freed using
6713 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6714 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6715 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6716 * file functionality is (currently) not in EMX this is not presently a
6717 * problem.
6718 */
6719 void
6720 handle_drop(filec, filev, split)
6721 int filec; /* the number of files dropped */
6722 char_u **filev; /* the list of files dropped */
6723 int split; /* force splitting the window */
6724 {
6725 exarg_T ea;
6726 int save_msg_scroll = msg_scroll;
6727
6728 /* Postpone this while editing the command line. */
6729 if (text_locked())
6730 return;
6731 #ifdef FEAT_AUTOCMD
6732 if (curbuf_locked())
6733 return;
6734 #endif
6735
6736 /* Check whether the current buffer is changed. If so, we will need
6737 * to split the current window or data could be lost.
6738 * We don't need to check if the 'hidden' option is set, as in this
6739 * case the buffer won't be lost.
6740 */
6741 if (!P_HID(curbuf) && !split)
6742 {
6743 ++emsg_off;
6744 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6745 --emsg_off;
6746 }
6747 if (split)
6748 {
6749 # ifdef FEAT_WINDOWS
6750 if (win_split(0, 0) == FAIL)
6751 return;
6752 # ifdef FEAT_SCROLLBIND
6753 curwin->w_p_scb = FALSE;
6754 # endif
6755
6756 /* When splitting the window, create a new alist. Otherwise the
6757 * existing one is overwritten. */
6758 alist_unlink(curwin->w_alist);
6759 alist_new();
6760 # else
6761 return; /* can't split, always fail */
6762 # endif
6763 }
6764
6765 /*
6766 * Set up the new argument list.
6767 */
6768 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6769
6770 /*
6771 * Move to the first file.
6772 */
6773 /* Fake up a minimal "next" command for do_argfile() */
6774 vim_memset(&ea, 0, sizeof(ea));
6775 ea.cmd = (char_u *)"next";
6776 do_argfile(&ea, 0);
6777
6778 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6779 * mode that is not needed here. */
6780 need_start_insertmode = FALSE;
6781
6782 /* Restore msg_scroll, otherwise a following command may cause scrolling
6783 * unexpectedly. The screen will be redrawn by the caller, thus
6784 * msg_scroll being set by displaying a message is irrelevant. */
6785 msg_scroll = save_msg_scroll;
6786 }
6787 #endif
6788
6789 /*
6790 * Clear an argument list: free all file names and reset it to zero entries.
6791 */
6792 void
6793 alist_clear(al)
6794 alist_T *al;
6795 {
6796 while (--al->al_ga.ga_len >= 0)
6797 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6798 ga_clear(&al->al_ga);
6799 }
6800
6801 /*
6802 * Init an argument list.
6803 */
6804 void
6805 alist_init(al)
6806 alist_T *al;
6807 {
6808 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6809 }
6810
6811 #if defined(FEAT_WINDOWS) || defined(PROTO)
6812
6813 /*
6814 * Remove a reference from an argument list.
6815 * Ignored when the argument list is the global one.
6816 * If the argument list is no longer used by any window, free it.
6817 */
6818 void
6819 alist_unlink(al)
6820 alist_T *al;
6821 {
6822 if (al != &global_alist && --al->al_refcount <= 0)
6823 {
6824 alist_clear(al);
6825 vim_free(al);
6826 }
6827 }
6828
6829 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6830 /*
6831 * Create a new argument list and use it for the current window.
6832 */
6833 void
6834 alist_new()
6835 {
6836 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6837 if (curwin->w_alist == NULL)
6838 {
6839 curwin->w_alist = &global_alist;
6840 ++global_alist.al_refcount;
6841 }
6842 else
6843 {
6844 curwin->w_alist->al_refcount = 1;
6845 alist_init(curwin->w_alist);
6846 }
6847 }
6848 # endif
6849 #endif
6850
6851 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6852 /*
6853 * Expand the file names in the global argument list.
6854 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6855 * numbers to be re-used.
6856 */
6857 void
6858 alist_expand(fnum_list, fnum_len)
6859 int *fnum_list;
6860 int fnum_len;
6861 {
6862 char_u **old_arg_files;
6863 int old_arg_count;
6864 char_u **new_arg_files;
6865 int new_arg_file_count;
6866 char_u *save_p_su = p_su;
6867 int i;
6868
6869 /* Don't use 'suffixes' here. This should work like the shell did the
6870 * expansion. Also, the vimrc file isn't read yet, thus the user
6871 * can't set the options. */
6872 p_su = empty_option;
6873 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6874 if (old_arg_files != NULL)
6875 {
6876 for (i = 0; i < GARGCOUNT; ++i)
6877 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6878 old_arg_count = GARGCOUNT;
6879 if (expand_wildcards(old_arg_count, old_arg_files,
6880 &new_arg_file_count, &new_arg_files,
6881 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6882 && new_arg_file_count > 0)
6883 {
6884 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6885 TRUE, fnum_list, fnum_len);
6886 FreeWild(old_arg_count, old_arg_files);
6887 }
6888 }
6889 p_su = save_p_su;
6890 }
6891 #endif
6892
6893 /*
6894 * Set the argument list for the current window.
6895 * Takes over the allocated files[] and the allocated fnames in it.
6896 */
6897 void
6898 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6899 alist_T *al;
6900 int count;
6901 char_u **files;
6902 int use_curbuf;
6903 int *fnum_list;
6904 int fnum_len;
6905 {
6906 int i;
6907
6908 alist_clear(al);
6909 if (ga_grow(&al->al_ga, count) == OK)
6910 {
6911 for (i = 0; i < count; ++i)
6912 {
6913 if (got_int)
6914 {
6915 /* When adding many buffers this can take a long time. Allow
6916 * interrupting here. */
6917 while (i < count)
6918 vim_free(files[i++]);
6919 break;
6920 }
6921
6922 /* May set buffer name of a buffer previously used for the
6923 * argument list, so that it's re-used by alist_add. */
6924 if (fnum_list != NULL && i < fnum_len)
6925 buf_set_name(fnum_list[i], files[i]);
6926
6927 alist_add(al, files[i], use_curbuf ? 2 : 1);
6928 ui_breakcheck();
6929 }
6930 vim_free(files);
6931 }
6932 else
6933 FreeWild(count, files);
6934 #ifdef FEAT_WINDOWS
6935 if (al == &global_alist)
6936 #endif
6937 arg_had_last = FALSE;
6938 }
6939
6940 /*
6941 * Add file "fname" to argument list "al".
6942 * "fname" must have been allocated and "al" must have been checked for room.
6943 */
6944 void
6945 alist_add(al, fname, set_fnum)
6946 alist_T *al;
6947 char_u *fname;
6948 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6949 {
6950 if (fname == NULL) /* don't add NULL file names */
6951 return;
6952 #ifdef BACKSLASH_IN_FILENAME
6953 slash_adjust(fname);
6954 #endif
6955 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6956 if (set_fnum > 0)
6957 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6958 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6959 ++al->al_ga.ga_len;
6960 }
6961
6962 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6963 /*
6964 * Adjust slashes in file names. Called after 'shellslash' was set.
6965 */
6966 void
6967 alist_slash_adjust()
6968 {
6969 int i;
6970 # ifdef FEAT_WINDOWS
6971 win_T *wp;
6972 tabpage_T *tp;
6973 # endif
6974
6975 for (i = 0; i < GARGCOUNT; ++i)
6976 if (GARGLIST[i].ae_fname != NULL)
6977 slash_adjust(GARGLIST[i].ae_fname);
6978 # ifdef FEAT_WINDOWS
6979 FOR_ALL_TAB_WINDOWS(tp, wp)
6980 if (wp->w_alist != &global_alist)
6981 for (i = 0; i < WARGCOUNT(wp); ++i)
6982 if (WARGLIST(wp)[i].ae_fname != NULL)
6983 slash_adjust(WARGLIST(wp)[i].ae_fname);
6984 # endif
6985 }
6986 #endif
6987
6988 /*
6989 * ":preserve".
6990 */
6991 /*ARGSUSED*/
6992 static void
6993 ex_preserve(eap)
6994 exarg_T *eap;
6995 {
6996 curbuf->b_flags |= BF_PRESERVED;
6997 ml_preserve(curbuf, TRUE);
6998 }
6999
7000 /*
7001 * ":recover".
7002 */
7003 static void
7004 ex_recover(eap)
7005 exarg_T *eap;
7006 {
7007 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7008 recoverymode = TRUE;
7009 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7010 && (*eap->arg == NUL
7011 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7012 ml_recover();
7013 recoverymode = FALSE;
7014 }
7015
7016 /*
7017 * Command modifier used in a wrong way.
7018 */
7019 static void
7020 ex_wrongmodifier(eap)
7021 exarg_T *eap;
7022 {
7023 eap->errmsg = e_invcmd;
7024 }
7025
7026 #ifdef FEAT_WINDOWS
7027 /*
7028 * :sview [+command] file split window with new file, read-only
7029 * :split [[+command] file] split window with current or new file
7030 * :vsplit [[+command] file] split window vertically with current or new file
7031 * :new [[+command] file] split window with no or new file
7032 * :vnew [[+command] file] split vertically window with no or new file
7033 * :sfind [+command] file split window with file in 'path'
7034 *
7035 * :tabedit open new Tab page with empty window
7036 * :tabedit [+command] file open new Tab page and edit "file"
7037 * :tabnew [[+command] file] just like :tabedit
7038 * :tabfind [+command] file open new Tab page and find "file"
7039 */
7040 void
7041 ex_splitview(eap)
7042 exarg_T *eap;
7043 {
7044 win_T *old_curwin = curwin;
7045 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7046 char_u *fname = NULL;
7047 # endif
7048 # ifdef FEAT_BROWSE
7049 int browse_flag = cmdmod.browse;
7050 # endif
7051
7052 # ifndef FEAT_VERTSPLIT
7053 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7054 {
7055 ex_ni(eap);
7056 return;
7057 }
7058 # endif
7059
7060 # ifdef FEAT_GUI
7061 need_mouse_correct = TRUE;
7062 # endif
7063
7064 # ifdef FEAT_QUICKFIX
7065 /* A ":split" in the quickfix window works like ":new". Don't want two
7066 * quickfix windows. */
7067 if (bt_quickfix(curbuf))
7068 {
7069 if (eap->cmdidx == CMD_split)
7070 eap->cmdidx = CMD_new;
7071 # ifdef FEAT_VERTSPLIT
7072 if (eap->cmdidx == CMD_vsplit)
7073 eap->cmdidx = CMD_vnew;
7074 # endif
7075 }
7076 # endif
7077
7078 # ifdef FEAT_SEARCHPATH
7079 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7080 {
7081 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7082 FNAME_MESS, TRUE, curbuf->b_ffname);
7083 if (fname == NULL)
7084 goto theend;
7085 eap->arg = fname;
7086 }
7087 # ifdef FEAT_BROWSE
7088 else
7089 # endif
7090 # endif
7091 # ifdef FEAT_BROWSE
7092 if (cmdmod.browse
7093 # ifdef FEAT_VERTSPLIT
7094 && eap->cmdidx != CMD_vnew
7095 # endif
7096 && eap->cmdidx != CMD_new)
7097 {
7098 if (
7099 # ifdef FEAT_GUI
7100 !gui.in_use &&
7101 # endif
7102 au_has_group((char_u *)"FileExplorer"))
7103 {
7104 /* No browsing supported but we do have the file explorer:
7105 * Edit the directory. */
7106 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7107 eap->arg = (char_u *)".";
7108 }
7109 else
7110 {
7111 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7112 eap->arg, NULL, NULL, NULL, curbuf);
7113 if (fname == NULL)
7114 goto theend;
7115 eap->arg = fname;
7116 }
7117 }
7118 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7119 # endif
7120
7121 /*
7122 * Either open new tab page or split the window.
7123 */
7124 if (eap->cmdidx == CMD_tabedit
7125 || eap->cmdidx == CMD_tabfind
7126 || eap->cmdidx == CMD_tabnew)
7127 {
7128 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7129 : eap->addr_count == 0 ? 0
7130 : (int)eap->line2 + 1) != FAIL)
7131 {
7132 do_exedit(eap, old_curwin);
7133
7134 /* set the alternate buffer for the window we came from */
7135 if (curwin != old_curwin
7136 && win_valid(old_curwin)
7137 && old_curwin->w_buffer != curbuf
7138 && !cmdmod.keepalt)
7139 old_curwin->w_alt_fnum = curbuf->b_fnum;
7140 }
7141 }
7142 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7143 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7144 {
7145 # ifdef FEAT_SCROLLBIND
7146 /* Reset 'scrollbind' when editing another file, but keep it when
7147 * doing ":split" without arguments. */
7148 if (*eap->arg != NUL
7149 # ifdef FEAT_BROWSE
7150 || cmdmod.browse
7151 # endif
7152 )
7153 curwin->w_p_scb = FALSE;
7154 else
7155 do_check_scrollbind(FALSE);
7156 # endif
7157 do_exedit(eap, old_curwin);
7158 }
7159
7160 # ifdef FEAT_BROWSE
7161 cmdmod.browse = browse_flag;
7162 # endif
7163
7164 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7165 theend:
7166 vim_free(fname);
7167 # endif
7168 }
7169
7170 #if defined(FEAT_MOUSE) || defined(PROTO)
7171 /*
7172 * Open a new tab page.
7173 */
7174 void
7175 tabpage_new()
7176 {
7177 exarg_T ea;
7178
7179 vim_memset(&ea, 0, sizeof(ea));
7180 ea.cmdidx = CMD_tabnew;
7181 ea.cmd = (char_u *)"tabn";
7182 ea.arg = (char_u *)"";
7183 ex_splitview(&ea);
7184 }
7185 #endif
7186
7187 /*
7188 * :tabnext command
7189 */
7190 static void
7191 ex_tabnext(eap)
7192 exarg_T *eap;
7193 {
7194 switch (eap->cmdidx)
7195 {
7196 case CMD_tabfirst:
7197 case CMD_tabrewind:
7198 goto_tabpage(1);
7199 break;
7200 case CMD_tablast:
7201 goto_tabpage(9999);
7202 break;
7203 case CMD_tabprevious:
7204 case CMD_tabNext:
7205 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7206 break;
7207 default: /* CMD_tabnext */
7208 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7209 break;
7210 }
7211 }
7212
7213 /*
7214 * :tabmove command
7215 */
7216 static void
7217 ex_tabmove(eap)
7218 exarg_T *eap;
7219 {
7220 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7221 }
7222
7223 /*
7224 * :tabs command: List tabs and their contents.
7225 */
7226 /*ARGSUSED*/
7227 static void
7228 ex_tabs(eap)
7229 exarg_T *eap;
7230 {
7231 tabpage_T *tp;
7232 win_T *wp;
7233 int tabcount = 1;
7234
7235 msg_start();
7236 msg_scroll = TRUE;
7237 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7238 {
7239 msg_putchar('\n');
7240 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7241 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7242 out_flush(); /* output one line at a time */
7243 ui_breakcheck();
7244
7245 if (tp == curtab)
7246 wp = firstwin;
7247 else
7248 wp = tp->tp_firstwin;
7249 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7250 {
7251 msg_putchar('\n');
7252 msg_putchar(wp == curwin ? '>' : ' ');
7253 msg_putchar(' ');
7254 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7255 msg_putchar(' ');
7256 if (buf_spname(wp->w_buffer) != NULL)
7257 STRCPY(IObuff, buf_spname(wp->w_buffer));
7258 else
7259 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7260 IObuff, IOSIZE, TRUE);
7261 msg_outtrans(IObuff);
7262 out_flush(); /* output one line at a time */
7263 ui_breakcheck();
7264 }
7265 }
7266 }
7267
7268 #endif /* FEAT_WINDOWS */
7269
7270 /*
7271 * ":mode": Set screen mode.
7272 * If no argument given, just get the screen size and redraw.
7273 */
7274 static void
7275 ex_mode(eap)
7276 exarg_T *eap;
7277 {
7278 if (*eap->arg == NUL)
7279 shell_resized();
7280 else
7281 mch_screenmode(eap->arg);
7282 }
7283
7284 #ifdef FEAT_WINDOWS
7285 /*
7286 * ":resize".
7287 * set, increment or decrement current window height
7288 */
7289 static void
7290 ex_resize(eap)
7291 exarg_T *eap;
7292 {
7293 int n;
7294 win_T *wp = curwin;
7295
7296 if (eap->addr_count > 0)
7297 {
7298 n = eap->line2;
7299 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7300 ;
7301 }
7302
7303 #ifdef FEAT_GUI
7304 need_mouse_correct = TRUE;
7305 #endif
7306 n = atol((char *)eap->arg);
7307 #ifdef FEAT_VERTSPLIT
7308 if (cmdmod.split & WSP_VERT)
7309 {
7310 if (*eap->arg == '-' || *eap->arg == '+')
7311 n += W_WIDTH(curwin);
7312 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7313 n = 9999;
7314 win_setwidth_win((int)n, wp);
7315 }
7316 else
7317 #endif
7318 {
7319 if (*eap->arg == '-' || *eap->arg == '+')
7320 n += curwin->w_height;
7321 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7322 n = 9999;
7323 win_setheight_win((int)n, wp);
7324 }
7325 }
7326 #endif
7327
7328 /*
7329 * ":find [+command] <file>" command.
7330 */
7331 static void
7332 ex_find(eap)
7333 exarg_T *eap;
7334 {
7335 #ifdef FEAT_SEARCHPATH
7336 char_u *fname;
7337 int count;
7338
7339 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7340 TRUE, curbuf->b_ffname);
7341 if (eap->addr_count > 0)
7342 {
7343 /* Repeat finding the file "count" times. This matters when it
7344 * appears several times in the path. */
7345 count = eap->line2;
7346 while (fname != NULL && --count > 0)
7347 {
7348 vim_free(fname);
7349 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7350 FALSE, curbuf->b_ffname);
7351 }
7352 }
7353
7354 if (fname != NULL)
7355 {
7356 eap->arg = fname;
7357 #endif
7358 do_exedit(eap, NULL);
7359 #ifdef FEAT_SEARCHPATH
7360 vim_free(fname);
7361 }
7362 #endif
7363 }
7364
7365 /*
7366 * ":open" simulation: for now just work like ":visual".
7367 */
7368 static void
7369 ex_open(eap)
7370 exarg_T *eap;
7371 {
7372 regmatch_T regmatch;
7373 char_u *p;
7374
7375 curwin->w_cursor.lnum = eap->line2;
7376 beginline(BL_SOL | BL_FIX);
7377 if (*eap->arg == '/')
7378 {
7379 /* ":open /pattern/": put cursor in column found with pattern */
7380 ++eap->arg;
7381 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7382 *p = NUL;
7383 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7384 if (regmatch.regprog != NULL)
7385 {
7386 regmatch.rm_ic = p_ic;
7387 p = ml_get_curline();
7388 if (vim_regexec(&regmatch, p, (colnr_T)0))
7389 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7390 else
7391 EMSG(_(e_nomatch));
7392 vim_free(regmatch.regprog);
7393 }
7394 /* Move to the NUL, ignore any other arguments. */
7395 eap->arg += STRLEN(eap->arg);
7396 }
7397 check_cursor();
7398
7399 eap->cmdidx = CMD_visual;
7400 do_exedit(eap, NULL);
7401 }
7402
7403 /*
7404 * ":edit", ":badd", ":visual".
7405 */
7406 static void
7407 ex_edit(eap)
7408 exarg_T *eap;
7409 {
7410 do_exedit(eap, NULL);
7411 }
7412
7413 /*
7414 * ":edit <file>" command and alikes.
7415 */
7416 /*ARGSUSED*/
7417 void
7418 do_exedit(eap, old_curwin)
7419 exarg_T *eap;
7420 win_T *old_curwin; /* curwin before doing a split or NULL */
7421 {
7422 int n;
7423 #ifdef FEAT_WINDOWS
7424 int need_hide;
7425 #endif
7426 int exmode_was = exmode_active;
7427
7428 /*
7429 * ":vi" command ends Ex mode.
7430 */
7431 if (exmode_active && (eap->cmdidx == CMD_visual
7432 || eap->cmdidx == CMD_view))
7433 {
7434 exmode_active = FALSE;
7435 if (*eap->arg == NUL)
7436 {
7437 /* Special case: ":global/pat/visual\NLvi-commands" */
7438 if (global_busy)
7439 {
7440 int rd = RedrawingDisabled;
7441 int nwr = no_wait_return;
7442 int ms = msg_scroll;
7443 #ifdef FEAT_GUI
7444 int he = hold_gui_events;
7445 #endif
7446
7447 if (eap->nextcmd != NULL)
7448 {
7449 stuffReadbuff(eap->nextcmd);
7450 eap->nextcmd = NULL;
7451 }
7452
7453 if (exmode_was != EXMODE_VIM)
7454 settmode(TMODE_RAW);
7455 RedrawingDisabled = 0;
7456 no_wait_return = 0;
7457 need_wait_return = FALSE;
7458 msg_scroll = 0;
7459 #ifdef FEAT_GUI
7460 hold_gui_events = 0;
7461 #endif
7462 must_redraw = CLEAR;
7463
7464 main_loop(FALSE, TRUE);
7465
7466 RedrawingDisabled = rd;
7467 no_wait_return = nwr;
7468 msg_scroll = ms;
7469 #ifdef FEAT_GUI
7470 hold_gui_events = he;
7471 #endif
7472 }
7473 return;
7474 }
7475 }
7476
7477 if ((eap->cmdidx == CMD_new
7478 || eap->cmdidx == CMD_tabnew
7479 || eap->cmdidx == CMD_tabedit
7480 #ifdef FEAT_VERTSPLIT
7481 || eap->cmdidx == CMD_vnew
7482 #endif
7483 ) && *eap->arg == NUL)
7484 {
7485 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7486 setpcmark();
7487 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7488 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7489 }
7490 else if ((eap->cmdidx != CMD_split
7491 #ifdef FEAT_VERTSPLIT
7492 && eap->cmdidx != CMD_vsplit
7493 #endif
7494 )
7495 || *eap->arg != NUL
7496 #ifdef FEAT_BROWSE
7497 || cmdmod.browse
7498 #endif
7499 )
7500 {
7501 #ifdef FEAT_AUTOCMD
7502 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7503 * can bring us here, others are stopped earlier. */
7504 if (*eap->arg != NUL && curbuf_locked())
7505 return;
7506 #endif
7507 n = readonlymode;
7508 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7509 readonlymode = TRUE;
7510 else if (eap->cmdidx == CMD_enew)
7511 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7512 empty buffer */
7513 setpcmark();
7514 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7515 NULL, eap,
7516 /* ":edit" goes to first line if Vi compatible */
7517 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7518 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7519 ? ECMD_ONE : eap->do_ecmd_lnum,
7520 (P_HID(curbuf) ? ECMD_HIDE : 0)
7521 + (eap->forceit ? ECMD_FORCEIT : 0)
7522 #ifdef FEAT_LISTCMDS
7523 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7524 #endif
7525 ) == FAIL)
7526 {
7527 /* Editing the file failed. If the window was split, close it. */
7528 #ifdef FEAT_WINDOWS
7529 if (old_curwin != NULL)
7530 {
7531 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7532 if (!need_hide || P_HID(curbuf))
7533 {
7534 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7535 cleanup_T cs;
7536
7537 /* Reset the error/interrupt/exception state here so that
7538 * aborting() returns FALSE when closing a window. */
7539 enter_cleanup(&cs);
7540 # endif
7541 # ifdef FEAT_GUI
7542 need_mouse_correct = TRUE;
7543 # endif
7544 win_close(curwin, !need_hide && !P_HID(curbuf));
7545
7546 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7547 /* Restore the error/interrupt/exception state if not
7548 * discarded by a new aborting error, interrupt, or
7549 * uncaught exception. */
7550 leave_cleanup(&cs);
7551 # endif
7552 }
7553 }
7554 #endif
7555 }
7556 else if (readonlymode && curbuf->b_nwindows == 1)
7557 {
7558 /* When editing an already visited buffer, 'readonly' won't be set
7559 * but the previous value is kept. With ":view" and ":sview" we
7560 * want the file to be readonly, except when another window is
7561 * editing the same buffer. */
7562 curbuf->b_p_ro = TRUE;
7563 }
7564 readonlymode = n;
7565 }
7566 else
7567 {
7568 if (eap->do_ecmd_cmd != NULL)
7569 do_cmdline_cmd(eap->do_ecmd_cmd);
7570 #ifdef FEAT_TITLE
7571 n = curwin->w_arg_idx_invalid;
7572 #endif
7573 check_arg_idx(curwin);
7574 #ifdef FEAT_TITLE
7575 if (n != curwin->w_arg_idx_invalid)
7576 maketitle();
7577 #endif
7578 }
7579
7580 #ifdef FEAT_WINDOWS
7581 /*
7582 * if ":split file" worked, set alternate file name in old window to new
7583 * file
7584 */
7585 if (old_curwin != NULL
7586 && *eap->arg != NUL
7587 && curwin != old_curwin
7588 && win_valid(old_curwin)
7589 && old_curwin->w_buffer != curbuf
7590 && !cmdmod.keepalt)
7591 old_curwin->w_alt_fnum = curbuf->b_fnum;
7592 #endif
7593
7594 ex_no_reprint = TRUE;
7595 }
7596
7597 #ifndef FEAT_GUI
7598 /*
7599 * ":gui" and ":gvim" when there is no GUI.
7600 */
7601 static void
7602 ex_nogui(eap)
7603 exarg_T *eap;
7604 {
7605 eap->errmsg = e_nogvim;
7606 }
7607 #endif
7608
7609 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7610 static void
7611 ex_tearoff(eap)
7612 exarg_T *eap;
7613 {
7614 gui_make_tearoff(eap->arg);
7615 }
7616 #endif
7617
7618 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7619 static void
7620 ex_popup(eap)
7621 exarg_T *eap;
7622 {
7623 gui_make_popup(eap->arg, eap->forceit);
7624 }
7625 #endif
7626
7627 /*ARGSUSED*/
7628 static void
7629 ex_swapname(eap)
7630 exarg_T *eap;
7631 {
7632 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7633 MSG(_("No swap file"));
7634 else
7635 msg(curbuf->b_ml.ml_mfp->mf_fname);
7636 }
7637
7638 /*
7639 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7640 * offset.
7641 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7642 */
7643 /*ARGSUSED*/
7644 static void
7645 ex_syncbind(eap)
7646 exarg_T *eap;
7647 {
7648 #ifdef FEAT_SCROLLBIND
7649 win_T *wp;
7650 long topline;
7651 long y;
7652 linenr_T old_linenr = curwin->w_cursor.lnum;
7653
7654 setpcmark();
7655
7656 /*
7657 * determine max topline
7658 */
7659 if (curwin->w_p_scb)
7660 {
7661 topline = curwin->w_topline;
7662 for (wp = firstwin; wp; wp = wp->w_next)
7663 {
7664 if (wp->w_p_scb && wp->w_buffer)
7665 {
7666 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7667 if (topline > y)
7668 topline = y;
7669 }
7670 }
7671 if (topline < 1)
7672 topline = 1;
7673 }
7674 else
7675 {
7676 topline = 1;
7677 }
7678
7679
7680 /*
7681 * set all scrollbind windows to the same topline
7682 */
7683 wp = curwin;
7684 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7685 {
7686 if (curwin->w_p_scb)
7687 {
7688 y = topline - curwin->w_topline;
7689 if (y > 0)
7690 scrollup(y, TRUE);
7691 else
7692 scrolldown(-y, TRUE);
7693 curwin->w_scbind_pos = topline;
7694 redraw_later(VALID);
7695 cursor_correct();
7696 #ifdef FEAT_WINDOWS
7697 curwin->w_redr_status = TRUE;
7698 #endif
7699 }
7700 }
7701 curwin = wp;
7702 if (curwin->w_p_scb)
7703 {
7704 did_syncbind = TRUE;
7705 checkpcmark();
7706 if (old_linenr != curwin->w_cursor.lnum)
7707 {
7708 char_u ctrl_o[2];
7709
7710 ctrl_o[0] = Ctrl_O;
7711 ctrl_o[1] = 0;
7712 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7713 }
7714 }
7715 #endif
7716 }
7717
7718
7719 static void
7720 ex_read(eap)
7721 exarg_T *eap;
7722 {
7723 int i;
7724 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7725 linenr_T lnum;
7726
7727 if (eap->usefilter) /* :r!cmd */
7728 do_bang(1, eap, FALSE, FALSE, TRUE);
7729 else
7730 {
7731 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7732 return;
7733
7734 #ifdef FEAT_BROWSE
7735 if (cmdmod.browse)
7736 {
7737 char_u *browseFile;
7738
7739 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7740 NULL, NULL, NULL, curbuf);
7741 if (browseFile != NULL)
7742 {
7743 i = readfile(browseFile, NULL,
7744 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7745 vim_free(browseFile);
7746 }
7747 else
7748 i = OK;
7749 }
7750 else
7751 #endif
7752 if (*eap->arg == NUL)
7753 {
7754 if (check_fname() == FAIL) /* check for no file name */
7755 return;
7756 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7757 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7758 }
7759 else
7760 {
7761 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7762 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7763 i = readfile(eap->arg, NULL,
7764 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7765
7766 }
7767 if (i == FAIL)
7768 {
7769 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7770 if (!aborting())
7771 #endif
7772 EMSG2(_(e_notopen), eap->arg);
7773 }
7774 else
7775 {
7776 if (empty && exmode_active)
7777 {
7778 /* Delete the empty line that remains. Historically ex does
7779 * this but vi doesn't. */
7780 if (eap->line2 == 0)
7781 lnum = curbuf->b_ml.ml_line_count;
7782 else
7783 lnum = 1;
7784 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7785 {
7786 ml_delete(lnum, FALSE);
7787 deleted_lines_mark(lnum, 1L);
7788 if (curwin->w_cursor.lnum > 1
7789 && curwin->w_cursor.lnum >= lnum)
7790 --curwin->w_cursor.lnum;
7791 }
7792 }
7793 redraw_curbuf_later(VALID);
7794 }
7795 }
7796 }
7797
7798 static char_u *prev_dir = NULL;
7799
7800 #if defined(EXITFREE) || defined(PROTO)
7801 void
7802 free_cd_dir()
7803 {
7804 vim_free(prev_dir);
7805 prev_dir = NULL;
7806 }
7807 #endif
7808
7809
7810 /*
7811 * ":cd", ":lcd", ":chdir" and ":lchdir".
7812 */
7813 void
7814 ex_cd(eap)
7815 exarg_T *eap;
7816 {
7817 char_u *new_dir;
7818 char_u *tofree;
7819
7820 new_dir = eap->arg;
7821 #if !defined(UNIX) && !defined(VMS)
7822 /* for non-UNIX ":cd" means: print current directory */
7823 if (*new_dir == NUL)
7824 ex_pwd(NULL);
7825 else
7826 #endif
7827 {
7828 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7829 && !eap->forceit)
7830 {
7831 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7832 return;
7833 }
7834
7835 /* ":cd -": Change to previous directory */
7836 if (STRCMP(new_dir, "-") == 0)
7837 {
7838 if (prev_dir == NULL)
7839 {
7840 EMSG(_("E186: No previous directory"));
7841 return;
7842 }
7843 new_dir = prev_dir;
7844 }
7845
7846 /* Save current directory for next ":cd -" */
7847 tofree = prev_dir;
7848 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7849 prev_dir = vim_strsave(NameBuff);
7850 else
7851 prev_dir = NULL;
7852
7853 #if defined(UNIX) || defined(VMS)
7854 /* for UNIX ":cd" means: go to home directory */
7855 if (*new_dir == NUL)
7856 {
7857 /* use NameBuff for home directory name */
7858 # ifdef VMS
7859 char_u *p;
7860
7861 p = mch_getenv((char_u *)"SYS$LOGIN");
7862 if (p == NULL || *p == NUL) /* empty is the same as not set */
7863 NameBuff[0] = NUL;
7864 else
7865 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7866 # else
7867 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7868 # endif
7869 new_dir = NameBuff;
7870 }
7871 #endif
7872 if (new_dir == NULL || vim_chdir(new_dir))
7873 EMSG(_(e_failed));
7874 else
7875 {
7876 vim_free(curwin->w_localdir);
7877 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7878 {
7879 /* If still in global directory, need to remember current
7880 * directory as global directory. */
7881 if (globaldir == NULL && prev_dir != NULL)
7882 globaldir = vim_strsave(prev_dir);
7883 /* Remember this local directory for the window. */
7884 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7885 curwin->w_localdir = vim_strsave(NameBuff);
7886 }
7887 else
7888 {
7889 /* We are now in the global directory, no need to remember its
7890 * name. */
7891 vim_free(globaldir);
7892 globaldir = NULL;
7893 curwin->w_localdir = NULL;
7894 }
7895
7896 shorten_fnames(TRUE);
7897
7898 /* Echo the new current directory if the command was typed. */
7899 if (KeyTyped)
7900 ex_pwd(eap);
7901 }
7902 vim_free(tofree);
7903 }
7904 }
7905
7906 /*
7907 * ":pwd".
7908 */
7909 /*ARGSUSED*/
7910 static void
7911 ex_pwd(eap)
7912 exarg_T *eap;
7913 {
7914 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7915 {
7916 #ifdef BACKSLASH_IN_FILENAME
7917 slash_adjust(NameBuff);
7918 #endif
7919 msg(NameBuff);
7920 }
7921 else
7922 EMSG(_("E187: Unknown"));
7923 }
7924
7925 /*
7926 * ":=".
7927 */
7928 static void
7929 ex_equal(eap)
7930 exarg_T *eap;
7931 {
7932 smsg((char_u *)"%ld", (long)eap->line2);
7933 ex_may_print(eap);
7934 }
7935
7936 static void
7937 ex_sleep(eap)
7938 exarg_T *eap;
7939 {
7940 int n;
7941 long len;
7942
7943 if (cursor_valid())
7944 {
7945 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7946 if (n >= 0)
7947 windgoto((int)n, curwin->w_wcol);
7948 }
7949
7950 len = eap->line2;
7951 switch (*eap->arg)
7952 {
7953 case 'm': break;
7954 case NUL: len *= 1000L; break;
7955 default: EMSG2(_(e_invarg2), eap->arg); return;
7956 }
7957 do_sleep(len);
7958 }
7959
7960 /*
7961 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7962 */
7963 void
7964 do_sleep(msec)
7965 long msec;
7966 {
7967 long done;
7968
7969 cursor_on();
7970 out_flush();
7971 for (done = 0; !got_int && done < msec; done += 1000L)
7972 {
7973 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7974 ui_breakcheck();
7975 }
7976 }
7977
7978 static void
7979 do_exmap(eap, isabbrev)
7980 exarg_T *eap;
7981 int isabbrev;
7982 {
7983 int mode;
7984 char_u *cmdp;
7985
7986 cmdp = eap->cmd;
7987 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7988
7989 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7990 eap->arg, mode, isabbrev))
7991 {
7992 case 1: EMSG(_(e_invarg));
7993 break;
7994 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
7995 break;
7996 }
7997 }
7998
7999 /*
8000 * ":winsize" command (obsolete).
8001 */
8002 static void
8003 ex_winsize(eap)
8004 exarg_T *eap;
8005 {
8006 int w, h;
8007 char_u *arg = eap->arg;
8008 char_u *p;
8009
8010 w = getdigits(&arg);
8011 arg = skipwhite(arg);
8012 p = arg;
8013 h = getdigits(&arg);
8014 if (*p != NUL && *arg == NUL)
8015 set_shellsize(w, h, TRUE);
8016 else
8017 EMSG(_("E465: :winsize requires two number arguments"));
8018 }
8019
8020 #ifdef FEAT_WINDOWS
8021 static void
8022 ex_wincmd(eap)
8023 exarg_T *eap;
8024 {
8025 int xchar = NUL;
8026 char_u *p;
8027
8028 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8029 {
8030 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8031 if (eap->arg[1] == NUL)
8032 {
8033 EMSG(_(e_invarg));
8034 return;
8035 }
8036 xchar = eap->arg[1];
8037 p = eap->arg + 2;
8038 }
8039 else
8040 p = eap->arg + 1;
8041
8042 eap->nextcmd = check_nextcmd(p);
8043 p = skipwhite(p);
8044 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8045 EMSG(_(e_invarg));
8046 else
8047 {
8048 /* Pass flags on for ":vertical wincmd ]". */
8049 postponed_split_flags = cmdmod.split;
8050 postponed_split_tab = cmdmod.tab;
8051 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8052 postponed_split_flags = 0;
8053 postponed_split_tab = 0;
8054 }
8055 }
8056 #endif
8057
8058 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8059 /*
8060 * ":winpos".
8061 */
8062 static void
8063 ex_winpos(eap)
8064 exarg_T *eap;
8065 {
8066 int x, y;
8067 char_u *arg = eap->arg;
8068 char_u *p;
8069
8070 if (*arg == NUL)
8071 {
8072 # if defined(FEAT_GUI) || defined(MSWIN)
8073 # ifdef FEAT_GUI
8074 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8075 # else
8076 if (mch_get_winpos(&x, &y) != FAIL)
8077 # endif
8078 {
8079 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8080 msg(IObuff);
8081 }
8082 else
8083 # endif
8084 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8085 }
8086 else
8087 {
8088 x = getdigits(&arg);
8089 arg = skipwhite(arg);
8090 p = arg;
8091 y = getdigits(&arg);
8092 if (*p == NUL || *arg != NUL)
8093 {
8094 EMSG(_("E466: :winpos requires two number arguments"));
8095 return;
8096 }
8097 # ifdef FEAT_GUI
8098 if (gui.in_use)
8099 gui_mch_set_winpos(x, y);
8100 else if (gui.starting)
8101 {
8102 /* Remember the coordinates for when the window is opened. */
8103 gui_win_x = x;
8104 gui_win_y = y;
8105 }
8106 # ifdef HAVE_TGETENT
8107 else
8108 # endif
8109 # else
8110 # ifdef MSWIN
8111 mch_set_winpos(x, y);
8112 # endif
8113 # endif
8114 # ifdef HAVE_TGETENT
8115 if (*T_CWP)
8116 term_set_winpos(x, y);
8117 # endif
8118 }
8119 }
8120 #endif
8121
8122 /*
8123 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8124 */
8125 static void
8126 ex_operators(eap)
8127 exarg_T *eap;
8128 {
8129 oparg_T oa;
8130
8131 clear_oparg(&oa);
8132 oa.regname = eap->regname;
8133 oa.start.lnum = eap->line1;
8134 oa.end.lnum = eap->line2;
8135 oa.line_count = eap->line2 - eap->line1 + 1;
8136 oa.motion_type = MLINE;
8137 #ifdef FEAT_VIRTUALEDIT
8138 virtual_op = FALSE;
8139 #endif
8140 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8141 {
8142 setpcmark();
8143 curwin->w_cursor.lnum = eap->line1;
8144 beginline(BL_SOL | BL_FIX);
8145 }
8146
8147 switch (eap->cmdidx)
8148 {
8149 case CMD_delete:
8150 oa.op_type = OP_DELETE;
8151 op_delete(&oa);
8152 break;
8153
8154 case CMD_yank:
8155 oa.op_type = OP_YANK;
8156 (void)op_yank(&oa, FALSE, TRUE);
8157 break;
8158
8159 default: /* CMD_rshift or CMD_lshift */
8160 if ((eap->cmdidx == CMD_rshift)
8161 #ifdef FEAT_RIGHTLEFT
8162 ^ curwin->w_p_rl
8163 #endif
8164 )
8165 oa.op_type = OP_RSHIFT;
8166 else
8167 oa.op_type = OP_LSHIFT;
8168 op_shift(&oa, FALSE, eap->amount);
8169 break;
8170 }
8171 #ifdef FEAT_VIRTUALEDIT
8172 virtual_op = MAYBE;
8173 #endif
8174 ex_may_print(eap);
8175 }
8176
8177 /*
8178 * ":put".
8179 */
8180 static void
8181 ex_put(eap)
8182 exarg_T *eap;
8183 {
8184 /* ":0put" works like ":1put!". */
8185 if (eap->line2 == 0)
8186 {
8187 eap->line2 = 1;
8188 eap->forceit = TRUE;
8189 }
8190 curwin->w_cursor.lnum = eap->line2;
8191 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8192 PUT_LINE|PUT_CURSLINE);
8193 }
8194
8195 /*
8196 * Handle ":copy" and ":move".
8197 */
8198 static void
8199 ex_copymove(eap)
8200 exarg_T *eap;
8201 {
8202 long n;
8203
8204 n = get_address(&eap->arg, FALSE, FALSE);
8205 if (eap->arg == NULL) /* error detected */
8206 {
8207 eap->nextcmd = NULL;
8208 return;
8209 }
8210 get_flags(eap);
8211
8212 /*
8213 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8214 */
8215 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8216 {
8217 EMSG(_(e_invaddr));
8218 return;
8219 }
8220
8221 if (eap->cmdidx == CMD_move)
8222 {
8223 if (do_move(eap->line1, eap->line2, n) == FAIL)
8224 return;
8225 }
8226 else
8227 ex_copy(eap->line1, eap->line2, n);
8228 u_clearline();
8229 beginline(BL_SOL | BL_FIX);
8230 ex_may_print(eap);
8231 }
8232
8233 /*
8234 * Print the current line if flags were given to the Ex command.
8235 */
8236 static void
8237 ex_may_print(eap)
8238 exarg_T *eap;
8239 {
8240 if (eap->flags != 0)
8241 {
8242 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8243 (eap->flags & EXFLAG_LIST));
8244 ex_no_reprint = TRUE;
8245 }
8246 }
8247
8248 /*
8249 * ":smagic" and ":snomagic".
8250 */
8251 static void
8252 ex_submagic(eap)
8253 exarg_T *eap;
8254 {
8255 int magic_save = p_magic;
8256
8257 p_magic = (eap->cmdidx == CMD_smagic);
8258 do_sub(eap);
8259 p_magic = magic_save;
8260 }
8261
8262 /*
8263 * ":join".
8264 */
8265 static void
8266 ex_join(eap)
8267 exarg_T *eap;
8268 {
8269 curwin->w_cursor.lnum = eap->line1;
8270 if (eap->line1 == eap->line2)
8271 {
8272 if (eap->addr_count >= 2) /* :2,2join does nothing */
8273 return;
8274 if (eap->line2 == curbuf->b_ml.ml_line_count)
8275 {
8276 beep_flush();
8277 return;
8278 }
8279 ++eap->line2;
8280 }
8281 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8282 beginline(BL_WHITE | BL_FIX);
8283 ex_may_print(eap);
8284 }
8285
8286 /*
8287 * ":[addr]@r" or ":[addr]*r": execute register
8288 */
8289 static void
8290 ex_at(eap)
8291 exarg_T *eap;
8292 {
8293 int c;
8294
8295 curwin->w_cursor.lnum = eap->line2;
8296
8297 #ifdef USE_ON_FLY_SCROLL
8298 dont_scroll = TRUE; /* disallow scrolling here */
8299 #endif
8300
8301 /* get the register name. No name means to use the previous one */
8302 c = *eap->arg;
8303 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8304 c = '@';
8305 /* Put the register in the typeahead buffer with the "silent" flag. */
8306 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8307 == FAIL)
8308 {
8309 beep_flush();
8310 }
8311 else
8312 {
8313 int save_efr = exec_from_reg;
8314
8315 exec_from_reg = TRUE;
8316
8317 /*
8318 * Execute from the typeahead buffer.
8319 * Originally this didn't check for the typeahead buffer to be empty,
8320 * thus could read more Ex commands from stdin. It's not clear why,
8321 * it is certainly unexpected.
8322 */
8323 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8324 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8325
8326 exec_from_reg = save_efr;
8327 }
8328 }
8329
8330 /*
8331 * ":!".
8332 */
8333 static void
8334 ex_bang(eap)
8335 exarg_T *eap;
8336 {
8337 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8338 }
8339
8340 /*
8341 * ":undo".
8342 */
8343 /*ARGSUSED*/
8344 static void
8345 ex_undo(eap)
8346 exarg_T *eap;
8347 {
8348 if (eap->addr_count == 1) /* :undo 123 */
8349 undo_time(eap->line2, FALSE, TRUE);
8350 else
8351 u_undo(1);
8352 }
8353
8354 /*
8355 * ":redo".
8356 */
8357 /*ARGSUSED*/
8358 static void
8359 ex_redo(eap)
8360 exarg_T *eap;
8361 {
8362 u_redo(1);
8363 }
8364
8365 /*
8366 * ":earlier" and ":later".
8367 */
8368 /*ARGSUSED*/
8369 static void
8370 ex_later(eap)
8371 exarg_T *eap;
8372 {
8373 long count = 0;
8374 int sec = FALSE;
8375 char_u *p = eap->arg;
8376
8377 if (*p == NUL)
8378 count = 1;
8379 else if (isdigit(*p))
8380 {
8381 count = getdigits(&p);
8382 switch (*p)
8383 {
8384 case 's': ++p; sec = TRUE; break;
8385 case 'm': ++p; sec = TRUE; count *= 60; break;
8386 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8387 }
8388 }
8389
8390 if (*p != NUL)
8391 EMSG2(_(e_invarg2), eap->arg);
8392 else
8393 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8394 }
8395
8396 /*
8397 * ":redir": start/stop redirection.
8398 */
8399 static void
8400 ex_redir(eap)
8401 exarg_T *eap;
8402 {
8403 char *mode;
8404 char_u *fname;
8405 char_u *arg = eap->arg;
8406
8407 if (STRICMP(eap->arg, "END") == 0)
8408 close_redir();
8409 else
8410 {
8411 if (*arg == '>')
8412 {
8413 ++arg;
8414 if (*arg == '>')
8415 {
8416 ++arg;
8417 mode = "a";
8418 }
8419 else
8420 mode = "w";
8421 arg = skipwhite(arg);
8422
8423 close_redir();
8424
8425 /* Expand environment variables and "~/". */
8426 fname = expand_env_save(arg);
8427 if (fname == NULL)
8428 return;
8429 #ifdef FEAT_BROWSE
8430 if (cmdmod.browse)
8431 {
8432 char_u *browseFile;
8433
8434 browseFile = do_browse(BROWSE_SAVE,
8435 (char_u *)_("Save Redirection"),
8436 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8437 if (browseFile == NULL)
8438 return; /* operation cancelled */
8439 vim_free(fname);
8440 fname = browseFile;
8441 eap->forceit = TRUE; /* since dialog already asked */
8442 }
8443 #endif
8444
8445 redir_fd = open_exfile(fname, eap->forceit, mode);
8446 vim_free(fname);
8447 }
8448 #ifdef FEAT_EVAL
8449 else if (*arg == '@')
8450 {
8451 /* redirect to a register a-z (resp. A-Z for appending) */
8452 close_redir();
8453 ++arg;
8454 if (ASCII_ISALPHA(*arg)
8455 # ifdef FEAT_CLIPBOARD
8456 || *arg == '*'
8457 || *arg == '+'
8458 # endif
8459 || *arg == '"')
8460 {
8461 redir_reg = *arg++;
8462 if (*arg == '>' && arg[1] == '>') /* append */
8463 arg += 2;
8464 else
8465 {
8466 /* Can use both "@a" and "@a>". */
8467 if (*arg == '>')
8468 arg++;
8469 /* Make register empty when not using @A-@Z and the
8470 * command is valid. */
8471 if (*arg == NUL && !isupper(redir_reg))
8472 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8473 }
8474 }
8475 if (*arg != NUL)
8476 {
8477 redir_reg = 0;
8478 EMSG2(_(e_invarg2), eap->arg);
8479 }
8480 }
8481 else if (*arg == '=' && arg[1] == '>')
8482 {
8483 int append;
8484
8485 /* redirect to a variable */
8486 close_redir();
8487 arg += 2;
8488
8489 if (*arg == '>')
8490 {
8491 ++arg;
8492 append = TRUE;
8493 }
8494 else
8495 append = FALSE;
8496
8497 if (var_redir_start(skipwhite(arg), append) == OK)
8498 redir_vname = 1;
8499 }
8500 #endif
8501
8502 /* TODO: redirect to a buffer */
8503
8504 else
8505 EMSG2(_(e_invarg2), eap->arg);
8506 }
8507
8508 /* Make sure redirection is not off. Can happen for cmdline completion
8509 * that indirectly invokes a command to catch its output. */
8510 if (redir_fd != NULL
8511 #ifdef FEAT_EVAL
8512 || redir_reg || redir_vname
8513 #endif
8514 )
8515 redir_off = FALSE;
8516 }
8517
8518 /*
8519 * ":redraw": force redraw
8520 */
8521 static void
8522 ex_redraw(eap)
8523 exarg_T *eap;
8524 {
8525 int r = RedrawingDisabled;
8526 int p = p_lz;
8527
8528 RedrawingDisabled = 0;
8529 p_lz = FALSE;
8530 update_topline();
8531 update_screen(eap->forceit ? CLEAR :
8532 #ifdef FEAT_VISUAL
8533 VIsual_active ? INVERTED :
8534 #endif
8535 0);
8536 #ifdef FEAT_TITLE
8537 if (need_maketitle)
8538 maketitle();
8539 #endif
8540 RedrawingDisabled = r;
8541 p_lz = p;
8542
8543 /* Reset msg_didout, so that a message that's there is overwritten. */
8544 msg_didout = FALSE;
8545 msg_col = 0;
8546
8547 out_flush();
8548 }
8549
8550 /*
8551 * ":redrawstatus": force redraw of status line(s)
8552 */
8553 /*ARGSUSED*/
8554 static void
8555 ex_redrawstatus(eap)
8556 exarg_T *eap;
8557 {
8558 #if defined(FEAT_WINDOWS)
8559 int r = RedrawingDisabled;
8560 int p = p_lz;
8561
8562 RedrawingDisabled = 0;
8563 p_lz = FALSE;
8564 if (eap->forceit)
8565 status_redraw_all();
8566 else
8567 status_redraw_curbuf();
8568 update_screen(
8569 # ifdef FEAT_VISUAL
8570 VIsual_active ? INVERTED :
8571 # endif
8572 0);
8573 RedrawingDisabled = r;
8574 p_lz = p;
8575 out_flush();
8576 #endif
8577 }
8578
8579 static void
8580 close_redir()
8581 {
8582 if (redir_fd != NULL)
8583 {
8584 fclose(redir_fd);
8585 redir_fd = NULL;
8586 }
8587 #ifdef FEAT_EVAL
8588 redir_reg = 0;
8589 if (redir_vname)
8590 {
8591 var_redir_stop();
8592 redir_vname = 0;
8593 }
8594 #endif
8595 }
8596
8597 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8598 # define MKSESSION_NL
8599 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8600 #endif
8601
8602 /*
8603 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8604 */
8605 static void
8606 ex_mkrc(eap)
8607 exarg_T *eap;
8608 {
8609 FILE *fd;
8610 int failed = FALSE;
8611 char_u *fname;
8612 #ifdef FEAT_BROWSE
8613 char_u *browseFile = NULL;
8614 #endif
8615 #ifdef FEAT_SESSION
8616 int view_session = FALSE;
8617 int using_vdir = FALSE; /* using 'viewdir'? */
8618 char_u *viewFile = NULL;
8619 unsigned *flagp;
8620 #endif
8621
8622 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8623 {
8624 #ifdef FEAT_SESSION
8625 view_session = TRUE;
8626 #else
8627 ex_ni(eap);
8628 return;
8629 #endif
8630 }
8631
8632 #ifdef FEAT_SESSION
8633 did_lcd = FALSE;
8634
8635 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8636 if (eap->cmdidx == CMD_mkview
8637 && (*eap->arg == NUL
8638 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8639 {
8640 eap->forceit = TRUE;
8641 fname = get_view_file(*eap->arg);
8642 if (fname == NULL)
8643 return;
8644 viewFile = fname;
8645 using_vdir = TRUE;
8646 }
8647 else
8648 #endif
8649 if (*eap->arg != NUL)
8650 fname = eap->arg;
8651 else if (eap->cmdidx == CMD_mkvimrc)
8652 fname = (char_u *)VIMRC_FILE;
8653 #ifdef FEAT_SESSION
8654 else if (eap->cmdidx == CMD_mksession)
8655 fname = (char_u *)SESSION_FILE;
8656 #endif
8657 else
8658 fname = (char_u *)EXRC_FILE;
8659
8660 #ifdef FEAT_BROWSE
8661 if (cmdmod.browse)
8662 {
8663 browseFile = do_browse(BROWSE_SAVE,
8664 # ifdef FEAT_SESSION
8665 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8666 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8667 # endif
8668 (char_u *)_("Save Setup"),
8669 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8670 if (browseFile == NULL)
8671 goto theend;
8672 fname = browseFile;
8673 eap->forceit = TRUE; /* since dialog already asked */
8674 }
8675 #endif
8676
8677 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8678 /* When using 'viewdir' may have to create the directory. */
8679 if (using_vdir && !mch_isdir(p_vdir))
8680 vim_mkdir_emsg(p_vdir, 0755);
8681 #endif
8682
8683 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8684 if (fd != NULL)
8685 {
8686 #ifdef FEAT_SESSION
8687 if (eap->cmdidx == CMD_mkview)
8688 flagp = &vop_flags;
8689 else
8690 flagp = &ssop_flags;
8691 #endif
8692
8693 #ifdef MKSESSION_NL
8694 /* "unix" in 'sessionoptions': use NL line separator */
8695 if (view_session && (*flagp & SSOP_UNIX))
8696 mksession_nl = TRUE;
8697 #endif
8698
8699 /* Write the version command for :mkvimrc */
8700 if (eap->cmdidx == CMD_mkvimrc)
8701 (void)put_line(fd, "version 6.0");
8702
8703 #ifdef FEAT_SESSION
8704 if (eap->cmdidx == CMD_mksession)
8705 {
8706 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8707 failed = TRUE;
8708 }
8709
8710 if (eap->cmdidx != CMD_mkview)
8711 #endif
8712 {
8713 /* Write setting 'compatible' first, because it has side effects.
8714 * For that same reason only do it when needed. */
8715 if (p_cp)
8716 (void)put_line(fd, "if !&cp | set cp | endif");
8717 else
8718 (void)put_line(fd, "if &cp | set nocp | endif");
8719 }
8720
8721 #ifdef FEAT_SESSION
8722 if (!view_session
8723 || (eap->cmdidx == CMD_mksession
8724 && (*flagp & SSOP_OPTIONS)))
8725 #endif
8726 failed |= (makemap(fd, NULL) == FAIL
8727 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8728
8729 #ifdef FEAT_SESSION
8730 if (!failed && view_session)
8731 {
8732 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8733 failed = TRUE;
8734 if (eap->cmdidx == CMD_mksession)
8735 {
8736 char_u dirnow[MAXPATHL]; /* current directory */
8737
8738 /*
8739 * Change to session file's dir.
8740 */
8741 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8742 || mch_chdir((char *)dirnow) != 0)
8743 *dirnow = NUL;
8744 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8745 {
8746 if (vim_chdirfile(fname) == OK)
8747 shorten_fnames(TRUE);
8748 }
8749 else if (*dirnow != NUL
8750 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8751 {
8752 (void)mch_chdir((char *)globaldir);
8753 shorten_fnames(TRUE);
8754 }
8755
8756 failed |= (makeopens(fd, dirnow) == FAIL);
8757
8758 /* restore original dir */
8759 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8760 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8761 {
8762 if (mch_chdir((char *)dirnow) != 0)
8763 EMSG(_(e_prev_dir));
8764 shorten_fnames(TRUE);
8765 }
8766 }
8767 else
8768 {
8769 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8770 -1) == FAIL);
8771 }
8772 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8773 == FAIL)
8774 failed = TRUE;
8775 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8776 failed = TRUE;
8777 if (eap->cmdidx == CMD_mksession)
8778 {
8779 if (put_line(fd, "unlet SessionLoad") == FAIL)
8780 failed = TRUE;
8781 }
8782 }
8783 #endif
8784 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8785 failed = TRUE;
8786
8787 failed |= fclose(fd);
8788
8789 if (failed)
8790 EMSG(_(e_write));
8791 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8792 else if (eap->cmdidx == CMD_mksession)
8793 {
8794 /* successful session write - set this_session var */
8795 char_u tbuf[MAXPATHL];
8796
8797 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8798 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8799 }
8800 #endif
8801 #ifdef MKSESSION_NL
8802 mksession_nl = FALSE;
8803 #endif
8804 }
8805
8806 #ifdef FEAT_BROWSE
8807 theend:
8808 vim_free(browseFile);
8809 #endif
8810 #ifdef FEAT_SESSION
8811 vim_free(viewFile);
8812 #endif
8813 }
8814
8815 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8816 || defined(PROTO)
8817 /*ARGSUSED*/
8818 int
8819 vim_mkdir_emsg(name, prot)
8820 char_u *name;
8821 int prot;
8822 {
8823 if (vim_mkdir(name, prot) != 0)
8824 {
8825 EMSG2(_("E739: Cannot create directory: %s"), name);
8826 return FAIL;
8827 }
8828 return OK;
8829 }
8830 #endif
8831
8832 /*
8833 * Open a file for writing for an Ex command, with some checks.
8834 * Return file descriptor, or NULL on failure.
8835 */
8836 FILE *
8837 open_exfile(fname, forceit, mode)
8838 char_u *fname;
8839 int forceit;
8840 char *mode; /* "w" for create new file or "a" for append */
8841 {
8842 FILE *fd;
8843
8844 #ifdef UNIX
8845 /* with Unix it is possible to open a directory */
8846 if (mch_isdir(fname))
8847 {
8848 EMSG2(_(e_isadir2), fname);
8849 return NULL;
8850 }
8851 #endif
8852 if (!forceit && *mode != 'a' && vim_fexists(fname))
8853 {
8854 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8855 return NULL;
8856 }
8857
8858 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8859 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8860
8861 return fd;
8862 }
8863
8864 /*
8865 * ":mark" and ":k".
8866 */
8867 static void
8868 ex_mark(eap)
8869 exarg_T *eap;
8870 {
8871 pos_T pos;
8872
8873 if (*eap->arg == NUL) /* No argument? */
8874 EMSG(_(e_argreq));
8875 else if (eap->arg[1] != NUL) /* more than one character? */
8876 EMSG(_(e_trailing));
8877 else
8878 {
8879 pos = curwin->w_cursor; /* save curwin->w_cursor */
8880 curwin->w_cursor.lnum = eap->line2;
8881 beginline(BL_WHITE | BL_FIX);
8882 if (setmark(*eap->arg) == FAIL) /* set mark */
8883 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8884 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8885 }
8886 }
8887
8888 /*
8889 * Update w_topline, w_leftcol and the cursor position.
8890 */
8891 void
8892 update_topline_cursor()
8893 {
8894 check_cursor(); /* put cursor on valid line */
8895 update_topline();
8896 if (!curwin->w_p_wrap)
8897 validate_cursor();
8898 update_curswant();
8899 }
8900
8901 #ifdef FEAT_EX_EXTRA
8902 /*
8903 * ":normal[!] {commands}": Execute normal mode commands.
8904 */
8905 static void
8906 ex_normal(eap)
8907 exarg_T *eap;
8908 {
8909 int save_msg_scroll = msg_scroll;
8910 int save_restart_edit = restart_edit;
8911 int save_msg_didout = msg_didout;
8912 int save_State = State;
8913 tasave_T tabuf;
8914 int save_insertmode = p_im;
8915 int save_finish_op = finish_op;
8916 #ifdef FEAT_MBYTE
8917 char_u *arg = NULL;
8918 int l;
8919 char_u *p;
8920 #endif
8921
8922 if (ex_normal_lock > 0)
8923 {
8924 EMSG(_(e_secure));
8925 return;
8926 }
8927 if (ex_normal_busy >= p_mmd)
8928 {
8929 EMSG(_("E192: Recursive use of :normal too deep"));
8930 return;
8931 }
8932 ++ex_normal_busy;
8933
8934 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8935 restart_edit = 0; /* don't go to Insert mode */
8936 p_im = FALSE; /* don't use 'insertmode' */
8937
8938 #ifdef FEAT_MBYTE
8939 /*
8940 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8941 * this for the K_SPECIAL leading byte, otherwise special keys will not
8942 * work.
8943 */
8944 if (has_mbyte)
8945 {
8946 int len = 0;
8947
8948 /* Count the number of characters to be escaped. */
8949 for (p = eap->arg; *p != NUL; ++p)
8950 {
8951 # ifdef FEAT_GUI
8952 if (*p == CSI) /* leadbyte CSI */
8953 len += 2;
8954 # endif
8955 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8956 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8957 # ifdef FEAT_GUI
8958 || *p == CSI
8959 # endif
8960 )
8961 len += 2;
8962 }
8963 if (len > 0)
8964 {
8965 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8966 if (arg != NULL)
8967 {
8968 len = 0;
8969 for (p = eap->arg; *p != NUL; ++p)
8970 {
8971 arg[len++] = *p;
8972 # ifdef FEAT_GUI
8973 if (*p == CSI)
8974 {
8975 arg[len++] = KS_EXTRA;
8976 arg[len++] = (int)KE_CSI;
8977 }
8978 # endif
8979 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8980 {
8981 arg[len++] = *++p;
8982 if (*p == K_SPECIAL)
8983 {
8984 arg[len++] = KS_SPECIAL;
8985 arg[len++] = KE_FILLER;
8986 }
8987 # ifdef FEAT_GUI
8988 else if (*p == CSI)
8989 {
8990 arg[len++] = KS_EXTRA;
8991 arg[len++] = (int)KE_CSI;
8992 }
8993 # endif
8994 }
8995 arg[len] = NUL;
8996 }
8997 }
8998 }
8999 }
9000 #endif
9001
9002 /*
9003 * Save the current typeahead. This is required to allow using ":normal"
9004 * from an event handler and makes sure we don't hang when the argument
9005 * ends with half a command.
9006 */
9007 save_typeahead(&tabuf);
9008 if (tabuf.typebuf_valid)
9009 {
9010 /*
9011 * Repeat the :normal command for each line in the range. When no
9012 * range given, execute it just once, without positioning the cursor
9013 * first.
9014 */
9015 do
9016 {
9017 if (eap->addr_count != 0)
9018 {
9019 curwin->w_cursor.lnum = eap->line1++;
9020 curwin->w_cursor.col = 0;
9021 }
9022
9023 exec_normal_cmd(
9024 #ifdef FEAT_MBYTE
9025 arg != NULL ? arg :
9026 #endif
9027 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9028 }
9029 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9030 }
9031
9032 /* Might not return to the main loop when in an event handler. */
9033 update_topline_cursor();
9034
9035 /* Restore the previous typeahead. */
9036 restore_typeahead(&tabuf);
9037
9038 --ex_normal_busy;
9039 msg_scroll = save_msg_scroll;
9040 restart_edit = save_restart_edit;
9041 p_im = save_insertmode;
9042 finish_op = save_finish_op;
9043 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9044
9045 /* Restore the state (needed when called from a function executed for
9046 * 'indentexpr'). */
9047 State = save_State;
9048 #ifdef FEAT_MBYTE
9049 vim_free(arg);
9050 #endif
9051 }
9052
9053 /*
9054 * ":startinsert", ":startreplace" and ":startgreplace"
9055 */
9056 static void
9057 ex_startinsert(eap)
9058 exarg_T *eap;
9059 {
9060 if (eap->forceit)
9061 {
9062 coladvance((colnr_T)MAXCOL);
9063 curwin->w_curswant = MAXCOL;
9064 curwin->w_set_curswant = FALSE;
9065 }
9066
9067 /* Ignore the command when already in Insert mode. Inserting an
9068 * expression register that invokes a function can do this. */
9069 if (State & INSERT)
9070 return;
9071
9072 if (eap->cmdidx == CMD_startinsert)
9073 restart_edit = 'a';
9074 else if (eap->cmdidx == CMD_startreplace)
9075 restart_edit = 'R';
9076 else
9077 restart_edit = 'V';
9078
9079 if (!eap->forceit)
9080 {
9081 if (eap->cmdidx == CMD_startinsert)
9082 restart_edit = 'i';
9083 curwin->w_curswant = 0; /* avoid MAXCOL */
9084 }
9085 }
9086
9087 /*
9088 * ":stopinsert"
9089 */
9090 /*ARGSUSED*/
9091 static void
9092 ex_stopinsert(eap)
9093 exarg_T *eap;
9094 {
9095 restart_edit = 0;
9096 stop_insert_mode = TRUE;
9097 }
9098 #endif
9099
9100 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9101 /*
9102 * Execute normal mode command "cmd".
9103 * "remap" can be REMAP_NONE or REMAP_YES.
9104 */
9105 void
9106 exec_normal_cmd(cmd, remap, silent)
9107 char_u *cmd;
9108 int remap;
9109 int silent;
9110 {
9111 oparg_T oa;
9112
9113 /*
9114 * Stuff the argument into the typeahead buffer.
9115 * Execute normal_cmd() until there is no typeahead left.
9116 */
9117 clear_oparg(&oa);
9118 finish_op = FALSE;
9119 ins_typebuf(cmd, remap, 0, TRUE, silent);
9120 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9121 && !got_int)
9122 {
9123 update_topline_cursor();
9124 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9125 }
9126 }
9127 #endif
9128
9129 #ifdef FEAT_FIND_ID
9130 static void
9131 ex_checkpath(eap)
9132 exarg_T *eap;
9133 {
9134 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9135 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9136 (linenr_T)1, (linenr_T)MAXLNUM);
9137 }
9138
9139 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9140 /*
9141 * ":psearch"
9142 */
9143 static void
9144 ex_psearch(eap)
9145 exarg_T *eap;
9146 {
9147 g_do_tagpreview = p_pvh;
9148 ex_findpat(eap);
9149 g_do_tagpreview = 0;
9150 }
9151 #endif
9152
9153 static void
9154 ex_findpat(eap)
9155 exarg_T *eap;
9156 {
9157 int whole = TRUE;
9158 long n;
9159 char_u *p;
9160 int action;
9161
9162 switch (cmdnames[eap->cmdidx].cmd_name[2])
9163 {
9164 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9165 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9166 action = ACTION_GOTO;
9167 else
9168 action = ACTION_SHOW;
9169 break;
9170 case 'i': /* ":ilist" and ":dlist" */
9171 action = ACTION_SHOW_ALL;
9172 break;
9173 case 'u': /* ":ijump" and ":djump" */
9174 action = ACTION_GOTO;
9175 break;
9176 default: /* ":isplit" and ":dsplit" */
9177 action = ACTION_SPLIT;
9178 break;
9179 }
9180
9181 n = 1;
9182 if (vim_isdigit(*eap->arg)) /* get count */
9183 {
9184 n = getdigits(&eap->arg);
9185 eap->arg = skipwhite(eap->arg);
9186 }
9187 if (*eap->arg == '/') /* Match regexp, not just whole words */
9188 {
9189 whole = FALSE;
9190 ++eap->arg;
9191 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9192 if (*p)
9193 {
9194 *p++ = NUL;
9195 p = skipwhite(p);
9196
9197 /* Check for trailing illegal characters */
9198 if (!ends_excmd(*p))
9199 eap->errmsg = e_trailing;
9200 else
9201 eap->nextcmd = check_nextcmd(p);
9202 }
9203 }
9204 if (!eap->skip)
9205 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9206 whole, !eap->forceit,
9207 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9208 n, action, eap->line1, eap->line2);
9209 }
9210 #endif
9211
9212 #ifdef FEAT_WINDOWS
9213
9214 # ifdef FEAT_QUICKFIX
9215 /*
9216 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9217 */
9218 static void
9219 ex_ptag(eap)
9220 exarg_T *eap;
9221 {
9222 g_do_tagpreview = p_pvh;
9223 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9224 }
9225
9226 /*
9227 * ":pedit"
9228 */
9229 static void
9230 ex_pedit(eap)
9231 exarg_T *eap;
9232 {
9233 win_T *curwin_save = curwin;
9234
9235 g_do_tagpreview = p_pvh;
9236 prepare_tagpreview(TRUE);
9237 keep_help_flag = curwin_save->w_buffer->b_help;
9238 do_exedit(eap, NULL);
9239 keep_help_flag = FALSE;
9240 if (curwin != curwin_save && win_valid(curwin_save))
9241 {
9242 /* Return cursor to where we were */
9243 validate_cursor();
9244 redraw_later(VALID);
9245 win_enter(curwin_save, TRUE);
9246 }
9247 g_do_tagpreview = 0;
9248 }
9249 # endif
9250
9251 /*
9252 * ":stag", ":stselect" and ":stjump".
9253 */
9254 static void
9255 ex_stag(eap)
9256 exarg_T *eap;
9257 {
9258 postponed_split = -1;
9259 postponed_split_flags = cmdmod.split;
9260 postponed_split_tab = cmdmod.tab;
9261 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9262 postponed_split_flags = 0;
9263 postponed_split_tab = 0;
9264 }
9265 #endif
9266
9267 /*
9268 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9269 */
9270 static void
9271 ex_tag(eap)
9272 exarg_T *eap;
9273 {
9274 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9275 }
9276
9277 static void
9278 ex_tag_cmd(eap, name)
9279 exarg_T *eap;
9280 char_u *name;
9281 {
9282 int cmd;
9283
9284 switch (name[1])
9285 {
9286 case 'j': cmd = DT_JUMP; /* ":tjump" */
9287 break;
9288 case 's': cmd = DT_SELECT; /* ":tselect" */
9289 break;
9290 case 'p': cmd = DT_PREV; /* ":tprevious" */
9291 break;
9292 case 'N': cmd = DT_PREV; /* ":tNext" */
9293 break;
9294 case 'n': cmd = DT_NEXT; /* ":tnext" */
9295 break;
9296 case 'o': cmd = DT_POP; /* ":pop" */
9297 break;
9298 case 'f': /* ":tfirst" */
9299 case 'r': cmd = DT_FIRST; /* ":trewind" */
9300 break;
9301 case 'l': cmd = DT_LAST; /* ":tlast" */
9302 break;
9303 default: /* ":tag" */
9304 #ifdef FEAT_CSCOPE
9305 if (p_cst)
9306 {
9307 do_cstag(eap);
9308 return;
9309 }
9310 #endif
9311 cmd = DT_TAG;
9312 break;
9313 }
9314
9315 if (name[0] == 'l')
9316 {
9317 #ifndef FEAT_QUICKFIX
9318 ex_ni(eap);
9319 return;
9320 #else
9321 cmd = DT_LTAG;
9322 #endif
9323 }
9324
9325 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9326 eap->forceit, TRUE);
9327 }
9328
9329 /*
9330 * Evaluate cmdline variables.
9331 *
9332 * change '%' to curbuf->b_ffname
9333 * '#' to curwin->w_altfile
9334 * '<cword>' to word under the cursor
9335 * '<cWORD>' to WORD under the cursor
9336 * '<cfile>' to path name under the cursor
9337 * '<sfile>' to sourced file name
9338 * '<afile>' to file name for autocommand
9339 * '<abuf>' to buffer number for autocommand
9340 * '<amatch>' to matching name for autocommand
9341 *
9342 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9343 * "" for error without a message) and NULL is returned.
9344 * Returns an allocated string if a valid match was found.
9345 * Returns NULL if no match was found. "usedlen" then still contains the
9346 * number of characters to skip.
9347 */
9348 char_u *
9349 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9350 char_u *src; /* pointer into commandline */
9351 char_u *srcstart; /* beginning of valid memory for src */
9352 int *usedlen; /* characters after src that are used */
9353 linenr_T *lnump; /* line number for :e command, or NULL */
9354 char_u **errormsg; /* pointer to error message */
9355 int *escaped; /* return value has escaped white space (can
9356 * be NULL) */
9357 {
9358 int i;
9359 char_u *s;
9360 char_u *result;
9361 char_u *resultbuf = NULL;
9362 int resultlen;
9363 buf_T *buf;
9364 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9365 int spec_idx;
9366 #ifdef FEAT_MODIFY_FNAME
9367 int skip_mod = FALSE;
9368 #endif
9369 static char *(spec_str[]) =
9370 {
9371 "%",
9372 #define SPEC_PERC 0
9373 "#",
9374 #define SPEC_HASH 1
9375 "<cword>", /* cursor word */
9376 #define SPEC_CWORD 2
9377 "<cWORD>", /* cursor WORD */
9378 #define SPEC_CCWORD 3
9379 "<cfile>", /* cursor path name */
9380 #define SPEC_CFILE 4
9381 "<sfile>", /* ":so" file name */
9382 #define SPEC_SFILE 5
9383 #ifdef FEAT_AUTOCMD
9384 "<afile>", /* autocommand file name */
9385 # define SPEC_AFILE 6
9386 "<abuf>", /* autocommand buffer number */
9387 # define SPEC_ABUF 7
9388 "<amatch>", /* autocommand match name */
9389 # define SPEC_AMATCH 8
9390 #endif
9391 #ifdef FEAT_CLIENTSERVER
9392 "<client>"
9393 # define SPEC_CLIENT 9
9394 #endif
9395 };
9396 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9397
9398 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9399 char_u strbuf[30];
9400 #endif
9401
9402 *errormsg = NULL;
9403 if (escaped != NULL)
9404 *escaped = FALSE;
9405
9406 /*
9407 * Check if there is something to do.
9408 */
9409 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9410 {
9411 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9412 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9413 break;
9414 }
9415 if (spec_idx == SPEC_COUNT) /* no match */
9416 {
9417 *usedlen = 1;
9418 return NULL;
9419 }
9420
9421 /*
9422 * Skip when preceded with a backslash "\%" and "\#".
9423 * Note: In "\\%" the % is also not recognized!
9424 */
9425 if (src > srcstart && src[-1] == '\\')
9426 {
9427 *usedlen = 0;
9428 mch_memmove(src - 1, src, STRLEN(src) + 1); /* remove backslash */
9429 return NULL;
9430 }
9431
9432 /*
9433 * word or WORD under cursor
9434 */
9435 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9436 {
9437 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9438 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9439 if (resultlen == 0)
9440 {
9441 *errormsg = (char_u *)"";
9442 return NULL;
9443 }
9444 }
9445
9446 /*
9447 * '#': Alternate file name
9448 * '%': Current file name
9449 * File name under the cursor
9450 * File name for autocommand
9451 * and following modifiers
9452 */
9453 else
9454 {
9455 switch (spec_idx)
9456 {
9457 case SPEC_PERC: /* '%': current file */
9458 if (curbuf->b_fname == NULL)
9459 {
9460 result = (char_u *)"";
9461 valid = 0; /* Must have ":p:h" to be valid */
9462 }
9463 else
9464 #ifdef RISCOS
9465 /* Always use the full path for RISC OS if possible. */
9466 result = curbuf->b_ffname;
9467 if (result == NULL)
9468 result = curbuf->b_fname;
9469 #else
9470 result = curbuf->b_fname;
9471 #endif
9472 break;
9473
9474 case SPEC_HASH: /* '#' or "#99": alternate file */
9475 if (src[1] == '#') /* "##": the argument list */
9476 {
9477 result = arg_all();
9478 resultbuf = result;
9479 *usedlen = 2;
9480 if (escaped != NULL)
9481 *escaped = TRUE;
9482 #ifdef FEAT_MODIFY_FNAME
9483 skip_mod = TRUE;
9484 #endif
9485 break;
9486 }
9487 s = src + 1;
9488 i = (int)getdigits(&s);
9489 *usedlen = (int)(s - src); /* length of what we expand */
9490
9491 buf = buflist_findnr(i);
9492 if (buf == NULL)
9493 {
9494 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9495 return NULL;
9496 }
9497 if (lnump != NULL)
9498 *lnump = ECMD_LAST;
9499 if (buf->b_fname == NULL)
9500 {
9501 result = (char_u *)"";
9502 valid = 0; /* Must have ":p:h" to be valid */
9503 }
9504 else
9505 result = buf->b_fname;
9506 break;
9507
9508 #ifdef FEAT_SEARCHPATH
9509 case SPEC_CFILE: /* file name under cursor */
9510 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9511 if (result == NULL)
9512 {
9513 *errormsg = (char_u *)"";
9514 return NULL;
9515 }
9516 resultbuf = result; /* remember allocated string */
9517 break;
9518 #endif
9519
9520 #ifdef FEAT_AUTOCMD
9521 case SPEC_AFILE: /* file name for autocommand */
9522 result = autocmd_fname;
9523 if (result == NULL)
9524 {
9525 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9526 return NULL;
9527 }
9528 result = shorten_fname1(result);
9529 break;
9530
9531 case SPEC_ABUF: /* buffer number for autocommand */
9532 if (autocmd_bufnr <= 0)
9533 {
9534 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9535 return NULL;
9536 }
9537 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9538 result = strbuf;
9539 break;
9540
9541 case SPEC_AMATCH: /* match name for autocommand */
9542 result = autocmd_match;
9543 if (result == NULL)
9544 {
9545 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9546 return NULL;
9547 }
9548 break;
9549
9550 #endif
9551 case SPEC_SFILE: /* file name for ":so" command */
9552 result = sourcing_name;
9553 if (result == NULL)
9554 {
9555 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9556 return NULL;
9557 }
9558 break;
9559 #if defined(FEAT_CLIENTSERVER)
9560 case SPEC_CLIENT: /* Source of last submitted input */
9561 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9562 (long_u)clientWindow);
9563 result = strbuf;
9564 break;
9565 #endif
9566 }
9567
9568 resultlen = (int)STRLEN(result); /* length of new string */
9569 if (src[*usedlen] == '<') /* remove the file name extension */
9570 {
9571 ++*usedlen;
9572 #ifdef RISCOS
9573 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9574 #else
9575 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9576 #endif
9577 resultlen = (int)(s - result);
9578 }
9579 #ifdef FEAT_MODIFY_FNAME
9580 else if (!skip_mod)
9581 {
9582 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9583 &resultlen);
9584 if (result == NULL)
9585 {
9586 *errormsg = (char_u *)"";
9587 return NULL;
9588 }
9589 }
9590 #endif
9591 }
9592
9593 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9594 {
9595 if (valid != VALID_HEAD + VALID_PATH)
9596 /* xgettext:no-c-format */
9597 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9598 else
9599 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9600 result = NULL;
9601 }
9602 else
9603 result = vim_strnsave(result, resultlen);
9604 vim_free(resultbuf);
9605 return result;
9606 }
9607
9608 /*
9609 * Concatenate all files in the argument list, separated by spaces, and return
9610 * it in one allocated string.
9611 * Spaces and backslashes in the file names are escaped with a backslash.
9612 * Returns NULL when out of memory.
9613 */
9614 static char_u *
9615 arg_all()
9616 {
9617 int len;
9618 int idx;
9619 char_u *retval = NULL;
9620 char_u *p;
9621
9622 /*
9623 * Do this loop two times:
9624 * first time: compute the total length
9625 * second time: concatenate the names
9626 */
9627 for (;;)
9628 {
9629 len = 0;
9630 for (idx = 0; idx < ARGCOUNT; ++idx)
9631 {
9632 p = alist_name(&ARGLIST[idx]);
9633 if (p != NULL)
9634 {
9635 if (len > 0)
9636 {
9637 /* insert a space in between names */
9638 if (retval != NULL)
9639 retval[len] = ' ';
9640 ++len;
9641 }
9642 for ( ; *p != NUL; ++p)
9643 {
9644 if (*p == ' ' || *p == '\\')
9645 {
9646 /* insert a backslash */
9647 if (retval != NULL)
9648 retval[len] = '\\';
9649 ++len;
9650 }
9651 if (retval != NULL)
9652 retval[len] = *p;
9653 ++len;
9654 }
9655 }
9656 }
9657
9658 /* second time: break here */
9659 if (retval != NULL)
9660 {
9661 retval[len] = NUL;
9662 break;
9663 }
9664
9665 /* allocate memory */
9666 retval = alloc(len + 1);
9667 if (retval == NULL)
9668 break;
9669 }
9670
9671 return retval;
9672 }
9673
9674 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9675 /*
9676 * Expand the <sfile> string in "arg".
9677 *
9678 * Returns an allocated string, or NULL for any error.
9679 */
9680 char_u *
9681 expand_sfile(arg)
9682 char_u *arg;
9683 {
9684 char_u *errormsg;
9685 int len;
9686 char_u *result;
9687 char_u *newres;
9688 char_u *repl;
9689 int srclen;
9690 char_u *p;
9691
9692 result = vim_strsave(arg);
9693 if (result == NULL)
9694 return NULL;
9695
9696 for (p = result; *p; )
9697 {
9698 if (STRNCMP(p, "<sfile>", 7) != 0)
9699 ++p;
9700 else
9701 {
9702 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9703 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9704 if (errormsg != NULL)
9705 {
9706 if (*errormsg)
9707 emsg(errormsg);
9708 vim_free(result);
9709 return NULL;
9710 }
9711 if (repl == NULL) /* no match (cannot happen) */
9712 {
9713 p += srclen;
9714 continue;
9715 }
9716 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9717 newres = alloc(len);
9718 if (newres == NULL)
9719 {
9720 vim_free(repl);
9721 vim_free(result);
9722 return NULL;
9723 }
9724 mch_memmove(newres, result, (size_t)(p - result));
9725 STRCPY(newres + (p - result), repl);
9726 len = (int)STRLEN(newres);
9727 STRCAT(newres, p + srclen);
9728 vim_free(repl);
9729 vim_free(result);
9730 result = newres;
9731 p = newres + len; /* continue after the match */
9732 }
9733 }
9734
9735 return result;
9736 }
9737 #endif
9738
9739 #ifdef FEAT_SESSION
9740 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9741 win_T *tab_firstwin));
9742 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9743 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9744 static int ses_do_frame __ARGS((frame_T *fr));
9745 static int ses_do_win __ARGS((win_T *wp));
9746 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9747 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9748 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9749
9750 /*
9751 * Write openfile commands for the current buffers to an .exrc file.
9752 * Return FAIL on error, OK otherwise.
9753 */
9754 static int
9755 makeopens(fd, dirnow)
9756 FILE *fd;
9757 char_u *dirnow; /* Current directory name */
9758 {
9759 buf_T *buf;
9760 int only_save_windows = TRUE;
9761 int nr;
9762 int cnr = 1;
9763 int restore_size = TRUE;
9764 win_T *wp;
9765 char_u *sname;
9766 win_T *edited_win = NULL;
9767 int tabnr;
9768 win_T *tab_firstwin;
9769 frame_T *tab_topframe;
9770 int cur_arg_idx = 0;
9771 int next_arg_idx = 0;
9772
9773 if (ssop_flags & SSOP_BUFFERS)
9774 only_save_windows = FALSE; /* Save ALL buffers */
9775
9776 /*
9777 * Begin by setting the this_session variable, and then other
9778 * sessionable variables.
9779 */
9780 #ifdef FEAT_EVAL
9781 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9782 return FAIL;
9783 if (ssop_flags & SSOP_GLOBALS)
9784 if (store_session_globals(fd) == FAIL)
9785 return FAIL;
9786 #endif
9787
9788 /*
9789 * Close all windows but one.
9790 */
9791 if (put_line(fd, "silent only") == FAIL)
9792 return FAIL;
9793
9794 /*
9795 * Now a :cd command to the session directory or the current directory
9796 */
9797 if (ssop_flags & SSOP_SESDIR)
9798 {
9799 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9800 == FAIL)
9801 return FAIL;
9802 }
9803 else if (ssop_flags & SSOP_CURDIR)
9804 {
9805 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9806 if (sname == NULL
9807 || fputs("cd ", fd) < 0
9808 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9809 || put_eol(fd) == FAIL)
9810 {
9811 vim_free(sname);
9812 return FAIL;
9813 }
9814 vim_free(sname);
9815 }
9816
9817 /*
9818 * If there is an empty, unnamed buffer we will wipe it out later.
9819 * Remember the buffer number.
9820 */
9821 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9822 return FAIL;
9823 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9824 return FAIL;
9825 if (put_line(fd, "endif") == FAIL)
9826 return FAIL;
9827
9828 /*
9829 * Now save the current files, current buffer first.
9830 */
9831 if (put_line(fd, "set shortmess=aoO") == FAIL)
9832 return FAIL;
9833
9834 /* Now put the other buffers into the buffer list */
9835 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9836 {
9837 if (!(only_save_windows && buf->b_nwindows == 0)
9838 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9839 && buf->b_fname != NULL
9840 && buf->b_p_bl)
9841 {
9842 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9843 : buf->b_wininfo->wi_fpos.lnum) < 0
9844 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9845 return FAIL;
9846 }
9847 }
9848
9849 /* the global argument list */
9850 if (ses_arglist(fd, "args", &global_alist.al_ga,
9851 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9852 return FAIL;
9853
9854 if (ssop_flags & SSOP_RESIZE)
9855 {
9856 /* Note: after the restore we still check it worked!*/
9857 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9858 || put_eol(fd) == FAIL)
9859 return FAIL;
9860 }
9861
9862 #ifdef FEAT_GUI
9863 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9864 {
9865 int x, y;
9866
9867 if (gui_mch_get_winpos(&x, &y) == OK)
9868 {
9869 /* Note: after the restore we still check it worked!*/
9870 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9871 return FAIL;
9872 }
9873 }
9874 #endif
9875
9876 /*
9877 * May repeat putting Windows for each tab, when "tabpages" is in
9878 * 'sessionoptions'.
9879 * Don't use goto_tabpage(), it may change directory and trigger
9880 * autocommands.
9881 */
9882 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9883 tab_topframe = topframe;
9884 for (tabnr = 1; ; ++tabnr)
9885 {
9886 int need_tabnew = FALSE;
9887
9888 if ((ssop_flags & SSOP_TABPAGES))
9889 {
9890 tabpage_T *tp = find_tabpage(tabnr);
9891
9892 if (tp == NULL)
9893 break; /* done all tab pages */
9894 if (tp == curtab)
9895 {
9896 tab_firstwin = firstwin;
9897 tab_topframe = topframe;
9898 }
9899 else
9900 {
9901 tab_firstwin = tp->tp_firstwin;
9902 tab_topframe = tp->tp_topframe;
9903 }
9904 if (tabnr > 1)
9905 need_tabnew = TRUE;
9906 }
9907
9908 /*
9909 * Before creating the window layout, try loading one file. If this
9910 * is aborted we don't end up with a number of useless windows.
9911 * This may have side effects! (e.g., compressed or network file).
9912 */
9913 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9914 {
9915 if (ses_do_win(wp)
9916 && wp->w_buffer->b_ffname != NULL
9917 && !wp->w_buffer->b_help
9918 #ifdef FEAT_QUICKFIX
9919 && !bt_nofile(wp->w_buffer)
9920 #endif
9921 )
9922 {
9923 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9924 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9925 return FAIL;
9926 need_tabnew = FALSE;
9927 if (!wp->w_arg_idx_invalid)
9928 edited_win = wp;
9929 break;
9930 }
9931 }
9932
9933 /* If no file got edited create an empty tab page. */
9934 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9935 return FAIL;
9936
9937 /*
9938 * Save current window layout.
9939 */
9940 if (put_line(fd, "set splitbelow splitright") == FAIL)
9941 return FAIL;
9942 if (ses_win_rec(fd, tab_topframe) == FAIL)
9943 return FAIL;
9944 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9945 return FAIL;
9946 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9947 return FAIL;
9948
9949 /*
9950 * Check if window sizes can be restored (no windows omitted).
9951 * Remember the window number of the current window after restoring.
9952 */
9953 nr = 0;
9954 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9955 {
9956 if (ses_do_win(wp))
9957 ++nr;
9958 else
9959 restore_size = FALSE;
9960 if (curwin == wp)
9961 cnr = nr;
9962 }
9963
9964 /* Go to the first window. */
9965 if (put_line(fd, "wincmd t") == FAIL)
9966 return FAIL;
9967
9968 /*
9969 * If more than one window, see if sizes can be restored.
9970 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9971 * resized when moving between windows.
9972 * Do this before restoring the view, so that the topline and the
9973 * cursor can be set. This is done again below.
9974 */
9975 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9976 return FAIL;
9977 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9978 return FAIL;
9979
9980 /*
9981 * Restore the view of the window (options, file, cursor, etc.).
9982 */
9983 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9984 {
9985 if (!ses_do_win(wp))
9986 continue;
9987 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
9988 cur_arg_idx) == FAIL)
9989 return FAIL;
9990 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
9991 return FAIL;
9992 next_arg_idx = wp->w_arg_idx;
9993 }
9994
9995 /* The argument index in the first tab page is zero, need to set it in
9996 * each window. For further tab pages it's the window where we do
9997 * "tabedit". */
9998 cur_arg_idx = next_arg_idx;
9999
10000 /*
10001 * Restore cursor to the current window if it's not the first one.
10002 */
10003 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10004 || put_eol(fd) == FAIL))
10005 return FAIL;
10006
10007 /*
10008 * Restore window sizes again after jumping around in windows, because
10009 * the current window has a minimum size while others may not.
10010 */
10011 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10012 return FAIL;
10013
10014 /* Don't continue in another tab page when doing only the current one
10015 * or when at the last tab page. */
10016 if (!(ssop_flags & SSOP_TABPAGES))
10017 break;
10018 }
10019
10020 if (ssop_flags & SSOP_TABPAGES)
10021 {
10022 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10023 || put_eol(fd) == FAIL)
10024 return FAIL;
10025 }
10026
10027 /*
10028 * Wipe out an empty unnamed buffer we started in.
10029 */
10030 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10031 return FAIL;
10032 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10033 return FAIL;
10034 if (put_line(fd, "endif") == FAIL)
10035 return FAIL;
10036 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10037 return FAIL;
10038
10039 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10040 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10041 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10042 return FAIL;
10043
10044 /*
10045 * Lastly, execute the x.vim file if it exists.
10046 */
10047 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10048 || put_line(fd, "if file_readable(s:sx)") == FAIL
10049 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10050 || put_line(fd, "endif") == FAIL)
10051 return FAIL;
10052
10053 return OK;
10054 }
10055
10056 static int
10057 ses_winsizes(fd, restore_size, tab_firstwin)
10058 FILE *fd;
10059 int restore_size;
10060 win_T *tab_firstwin;
10061 {
10062 int n = 0;
10063 win_T *wp;
10064
10065 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10066 {
10067 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10068 {
10069 if (!ses_do_win(wp))
10070 continue;
10071 ++n;
10072
10073 /* restore height when not full height */
10074 if (wp->w_height + wp->w_status_height < topframe->fr_height
10075 && (fprintf(fd,
10076 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10077 n, (long)wp->w_height, Rows / 2, Rows) < 0
10078 || put_eol(fd) == FAIL))
10079 return FAIL;
10080
10081 /* restore width when not full width */
10082 if (wp->w_width < Columns && (fprintf(fd,
10083 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10084 n, (long)wp->w_width, Columns / 2, Columns) < 0
10085 || put_eol(fd) == FAIL))
10086 return FAIL;
10087 }
10088 }
10089 else
10090 {
10091 /* Just equalise window sizes */
10092 if (put_line(fd, "wincmd =") == FAIL)
10093 return FAIL;
10094 }
10095 return OK;
10096 }
10097
10098 /*
10099 * Write commands to "fd" to recursively create windows for frame "fr",
10100 * horizontally and vertically split.
10101 * After the commands the last window in the frame is the current window.
10102 * Returns FAIL when writing the commands to "fd" fails.
10103 */
10104 static int
10105 ses_win_rec(fd, fr)
10106 FILE *fd;
10107 frame_T *fr;
10108 {
10109 frame_T *frc;
10110 int count = 0;
10111
10112 if (fr->fr_layout != FR_LEAF)
10113 {
10114 /* Find first frame that's not skipped and then create a window for
10115 * each following one (first frame is already there). */
10116 frc = ses_skipframe(fr->fr_child);
10117 if (frc != NULL)
10118 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10119 {
10120 /* Make window as big as possible so that we have lots of room
10121 * to split. */
10122 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10123 || put_line(fd, fr->fr_layout == FR_COL
10124 ? "split" : "vsplit") == FAIL)
10125 return FAIL;
10126 ++count;
10127 }
10128
10129 /* Go back to the first window. */
10130 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10131 ? "%dwincmd k" : "%dwincmd h", count) < 0
10132 || put_eol(fd) == FAIL))
10133 return FAIL;
10134
10135 /* Recursively create frames/windows in each window of this column or
10136 * row. */
10137 frc = ses_skipframe(fr->fr_child);
10138 while (frc != NULL)
10139 {
10140 ses_win_rec(fd, frc);
10141 frc = ses_skipframe(frc->fr_next);
10142 /* Go to next window. */
10143 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10144 return FAIL;
10145 }
10146 }
10147 return OK;
10148 }
10149
10150 /*
10151 * Skip frames that don't contain windows we want to save in the Session.
10152 * Returns NULL when there none.
10153 */
10154 static frame_T *
10155 ses_skipframe(fr)
10156 frame_T *fr;
10157 {
10158 frame_T *frc;
10159
10160 for (frc = fr; frc != NULL; frc = frc->fr_next)
10161 if (ses_do_frame(frc))
10162 break;
10163 return frc;
10164 }
10165
10166 /*
10167 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10168 * the Session.
10169 */
10170 static int
10171 ses_do_frame(fr)
10172 frame_T *fr;
10173 {
10174 frame_T *frc;
10175
10176 if (fr->fr_layout == FR_LEAF)
10177 return ses_do_win(fr->fr_win);
10178 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10179 if (ses_do_frame(frc))
10180 return TRUE;
10181 return FALSE;
10182 }
10183
10184 /*
10185 * Return non-zero if window "wp" is to be stored in the Session.
10186 */
10187 static int
10188 ses_do_win(wp)
10189 win_T *wp;
10190 {
10191 if (wp->w_buffer->b_fname == NULL
10192 #ifdef FEAT_QUICKFIX
10193 /* When 'buftype' is "nofile" can't restore the window contents. */
10194 || bt_nofile(wp->w_buffer)
10195 #endif
10196 )
10197 return (ssop_flags & SSOP_BLANK);
10198 if (wp->w_buffer->b_help)
10199 return (ssop_flags & SSOP_HELP);
10200 return TRUE;
10201 }
10202
10203 /*
10204 * Write commands to "fd" to restore the view of a window.
10205 * Caller must make sure 'scrolloff' is zero.
10206 */
10207 static int
10208 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10209 FILE *fd;
10210 win_T *wp;
10211 int add_edit; /* add ":edit" command to view */
10212 unsigned *flagp; /* vop_flags or ssop_flags */
10213 int current_arg_idx; /* current argument index of the window, use
10214 * -1 if unknown */
10215 {
10216 win_T *save_curwin;
10217 int f;
10218 int do_cursor;
10219 int did_next = FALSE;
10220
10221 /* Always restore cursor position for ":mksession". For ":mkview" only
10222 * when 'viewoptions' contains "cursor". */
10223 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10224
10225 /*
10226 * Local argument list.
10227 */
10228 if (wp->w_alist == &global_alist)
10229 {
10230 if (put_line(fd, "argglobal") == FAIL)
10231 return FAIL;
10232 }
10233 else
10234 {
10235 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10236 flagp == &vop_flags
10237 || !(*flagp & SSOP_CURDIR)
10238 || wp->w_localdir != NULL, flagp) == FAIL)
10239 return FAIL;
10240 }
10241
10242 /* Only when part of a session: restore the argument index. Some
10243 * arguments may have been deleted, check if the index is valid. */
10244 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10245 && flagp == &ssop_flags)
10246 {
10247 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10248 || put_eol(fd) == FAIL)
10249 return FAIL;
10250 did_next = TRUE;
10251 }
10252
10253 /* Edit the file. Skip this when ":next" already did it. */
10254 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10255 {
10256 /*
10257 * Load the file.
10258 */
10259 if (wp->w_buffer->b_ffname != NULL
10260 #ifdef FEAT_QUICKFIX
10261 && !bt_nofile(wp->w_buffer)
10262 #endif
10263 )
10264 {
10265 /*
10266 * Editing a file in this buffer: use ":edit file".
10267 * This may have side effects! (e.g., compressed or network file).
10268 */
10269 if (fputs("edit ", fd) < 0
10270 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10271 return FAIL;
10272 }
10273 else
10274 {
10275 /* No file in this buffer, just make it empty. */
10276 if (put_line(fd, "enew") == FAIL)
10277 return FAIL;
10278 #ifdef FEAT_QUICKFIX
10279 if (wp->w_buffer->b_ffname != NULL)
10280 {
10281 /* The buffer does have a name, but it's not a file name. */
10282 if (fputs("file ", fd) < 0
10283 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10284 return FAIL;
10285 }
10286 #endif
10287 do_cursor = FALSE;
10288 }
10289 }
10290
10291 /*
10292 * Local mappings and abbreviations.
10293 */
10294 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10295 && makemap(fd, wp->w_buffer) == FAIL)
10296 return FAIL;
10297
10298 /*
10299 * Local options. Need to go to the window temporarily.
10300 * Store only local values when using ":mkview" and when ":mksession" is
10301 * used and 'sessionoptions' doesn't include "options".
10302 * Some folding options are always stored when "folds" is included,
10303 * otherwise the folds would not be restored correctly.
10304 */
10305 save_curwin = curwin;
10306 curwin = wp;
10307 curbuf = curwin->w_buffer;
10308 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10309 f = makeset(fd, OPT_LOCAL,
10310 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10311 #ifdef FEAT_FOLDING
10312 else if (*flagp & SSOP_FOLDS)
10313 f = makefoldset(fd);
10314 #endif
10315 else
10316 f = OK;
10317 curwin = save_curwin;
10318 curbuf = curwin->w_buffer;
10319 if (f == FAIL)
10320 return FAIL;
10321
10322 #ifdef FEAT_FOLDING
10323 /*
10324 * Save Folds when 'buftype' is empty and for help files.
10325 */
10326 if ((*flagp & SSOP_FOLDS)
10327 && wp->w_buffer->b_ffname != NULL
10328 # ifdef FEAT_QUICKFIX
10329 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10330 # endif
10331 )
10332 {
10333 if (put_folds(fd, wp) == FAIL)
10334 return FAIL;
10335 }
10336 #endif
10337
10338 /*
10339 * Set the cursor after creating folds, since that moves the cursor.
10340 */
10341 if (do_cursor)
10342 {
10343
10344 /* Restore the cursor line in the file and relatively in the
10345 * window. Don't use "G", it changes the jumplist. */
10346 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10347 (long)wp->w_cursor.lnum,
10348 (long)(wp->w_cursor.lnum - wp->w_topline),
10349 (long)wp->w_height / 2, (long)wp->w_height) < 0
10350 || put_eol(fd) == FAIL
10351 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10352 || put_line(fd, "exe s:l") == FAIL
10353 || put_line(fd, "normal! zt") == FAIL
10354 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10355 || put_eol(fd) == FAIL)
10356 return FAIL;
10357 /* Restore the cursor column and left offset when not wrapping. */
10358 if (wp->w_cursor.col == 0)
10359 {
10360 if (put_line(fd, "normal! 0") == FAIL)
10361 return FAIL;
10362 }
10363 else
10364 {
10365 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10366 {
10367 if (fprintf(fd,
10368 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10369 (long)wp->w_cursor.col,
10370 (long)(wp->w_cursor.col - wp->w_leftcol),
10371 (long)wp->w_width / 2, (long)wp->w_width) < 0
10372 || put_eol(fd) == FAIL
10373 || put_line(fd, "if s:c > 0") == FAIL
10374 || fprintf(fd,
10375 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10376 (long)wp->w_cursor.col) < 0
10377 || put_eol(fd) == FAIL
10378 || put_line(fd, "else") == FAIL
10379 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10380 || put_eol(fd) == FAIL
10381 || put_line(fd, "endif") == FAIL)
10382 return FAIL;
10383 }
10384 else
10385 {
10386 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10387 || put_eol(fd) == FAIL)
10388 return FAIL;
10389 }
10390 }
10391 }
10392
10393 /*
10394 * Local directory.
10395 */
10396 if (wp->w_localdir != NULL)
10397 {
10398 if (fputs("lcd ", fd) < 0
10399 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10400 || put_eol(fd) == FAIL)
10401 return FAIL;
10402 did_lcd = TRUE;
10403 }
10404
10405 return OK;
10406 }
10407
10408 /*
10409 * Write an argument list to the session file.
10410 * Returns FAIL if writing fails.
10411 */
10412 static int
10413 ses_arglist(fd, cmd, gap, fullname, flagp)
10414 FILE *fd;
10415 char *cmd;
10416 garray_T *gap;
10417 int fullname; /* TRUE: use full path name */
10418 unsigned *flagp;
10419 {
10420 int i;
10421 char_u buf[MAXPATHL];
10422 char_u *s;
10423
10424 if (gap->ga_len == 0)
10425 return put_line(fd, "silent! argdel *");
10426 if (fputs(cmd, fd) < 0)
10427 return FAIL;
10428 for (i = 0; i < gap->ga_len; ++i)
10429 {
10430 /* NULL file names are skipped (only happens when out of memory). */
10431 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10432 if (s != NULL)
10433 {
10434 if (fullname)
10435 {
10436 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10437 s = buf;
10438 }
10439 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10440 return FAIL;
10441 }
10442 }
10443 return put_eol(fd);
10444 }
10445
10446 /*
10447 * Write a buffer name to the session file.
10448 * Also ends the line.
10449 * Returns FAIL if writing fails.
10450 */
10451 static int
10452 ses_fname(fd, buf, flagp)
10453 FILE *fd;
10454 buf_T *buf;
10455 unsigned *flagp;
10456 {
10457 char_u *name;
10458
10459 /* Use the short file name if the current directory is known at the time
10460 * the session file will be sourced.
10461 * Don't do this for ":mkview", we don't know the current directory.
10462 * Don't do this after ":lcd", we don't keep track of what the current
10463 * directory is. */
10464 if (buf->b_sfname != NULL
10465 && flagp == &ssop_flags
10466 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10467 && !did_lcd)
10468 name = buf->b_sfname;
10469 else
10470 name = buf->b_ffname;
10471 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10472 return FAIL;
10473 return OK;
10474 }
10475
10476 /*
10477 * Write a file name to the session file.
10478 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10479 * characters.
10480 * Returns FAIL if writing fails.
10481 */
10482 static int
10483 ses_put_fname(fd, name, flagp)
10484 FILE *fd;
10485 char_u *name;
10486 unsigned *flagp;
10487 {
10488 char_u *sname;
10489 int retval = OK;
10490 int c;
10491
10492 sname = home_replace_save(NULL, name);
10493 if (sname != NULL)
10494 name = sname;
10495 while (*name != NUL)
10496 {
10497 #ifdef FEAT_MBYTE
10498 {
10499 int l;
10500
10501 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10502 {
10503 /* copy a multibyte char */
10504 while (--l >= 0)
10505 {
10506 if (putc(*name, fd) != *name)
10507 retval = FAIL;
10508 ++name;
10509 }
10510 continue;
10511 }
10512 }
10513 #endif
10514 c = *name++;
10515 if (c == '\\' && (*flagp & SSOP_SLASH))
10516 /* change a backslash to a forward slash */
10517 c = '/';
10518 else if ((vim_strchr(escape_chars, c) != NULL
10519 #ifdef BACKSLASH_IN_FILENAME
10520 && c != '\\'
10521 #endif
10522 ) || c == '#' || c == '%')
10523 {
10524 /* escape a special character with a backslash */
10525 if (putc('\\', fd) != '\\')
10526 retval = FAIL;
10527 }
10528 if (putc(c, fd) != c)
10529 retval = FAIL;
10530 }
10531 vim_free(sname);
10532 return retval;
10533 }
10534
10535 /*
10536 * ":loadview [nr]"
10537 */
10538 static void
10539 ex_loadview(eap)
10540 exarg_T *eap;
10541 {
10542 char_u *fname;
10543
10544 fname = get_view_file(*eap->arg);
10545 if (fname != NULL)
10546 {
10547 do_source(fname, FALSE, DOSO_NONE);
10548 vim_free(fname);
10549 }
10550 }
10551
10552 /*
10553 * Get the name of the view file for the current buffer.
10554 */
10555 static char_u *
10556 get_view_file(c)
10557 int c;
10558 {
10559 int len = 0;
10560 char_u *p, *s;
10561 char_u *retval;
10562 char_u *sname;
10563
10564 if (curbuf->b_ffname == NULL)
10565 {
10566 EMSG(_(e_noname));
10567 return NULL;
10568 }
10569 sname = home_replace_save(NULL, curbuf->b_ffname);
10570 if (sname == NULL)
10571 return NULL;
10572
10573 /*
10574 * We want a file name without separators, because we're not going to make
10575 * a directory.
10576 * "normal" path separator -> "=+"
10577 * "=" -> "=="
10578 * ":" path separator -> "=-"
10579 */
10580 for (p = sname; *p; ++p)
10581 if (*p == '=' || vim_ispathsep(*p))
10582 ++len;
10583 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10584 if (retval != NULL)
10585 {
10586 STRCPY(retval, p_vdir);
10587 add_pathsep(retval);
10588 s = retval + STRLEN(retval);
10589 for (p = sname; *p; ++p)
10590 {
10591 if (*p == '=')
10592 {
10593 *s++ = '=';
10594 *s++ = '=';
10595 }
10596 else if (vim_ispathsep(*p))
10597 {
10598 *s++ = '=';
10599 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10600 || defined(VMS)
10601 if (*p == ':')
10602 *s++ = '-';
10603 else
10604 #endif
10605 *s++ = '+';
10606 }
10607 else
10608 *s++ = *p;
10609 }
10610 *s++ = '=';
10611 *s++ = c;
10612 STRCPY(s, ".vim");
10613 }
10614
10615 vim_free(sname);
10616 return retval;
10617 }
10618
10619 #endif /* FEAT_SESSION */
10620
10621 /*
10622 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10623 * Return FAIL for a write error.
10624 */
10625 int
10626 put_eol(fd)
10627 FILE *fd;
10628 {
10629 if (
10630 #ifdef USE_CRNL
10631 (
10632 # ifdef MKSESSION_NL
10633 !mksession_nl &&
10634 # endif
10635 (putc('\r', fd) < 0)) ||
10636 #endif
10637 (putc('\n', fd) < 0))
10638 return FAIL;
10639 return OK;
10640 }
10641
10642 /*
10643 * Write a line to "fd".
10644 * Return FAIL for a write error.
10645 */
10646 int
10647 put_line(fd, s)
10648 FILE *fd;
10649 char *s;
10650 {
10651 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10652 return FAIL;
10653 return OK;
10654 }
10655
10656 #ifdef FEAT_VIMINFO
10657 /*
10658 * ":rviminfo" and ":wviminfo".
10659 */
10660 static void
10661 ex_viminfo(eap)
10662 exarg_T *eap;
10663 {
10664 char_u *save_viminfo;
10665
10666 save_viminfo = p_viminfo;
10667 if (*p_viminfo == NUL)
10668 p_viminfo = (char_u *)"'100";
10669 if (eap->cmdidx == CMD_rviminfo)
10670 {
10671 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10672 EMSG(_("E195: Cannot open viminfo file for reading"));
10673 }
10674 else
10675 write_viminfo(eap->arg, eap->forceit);
10676 p_viminfo = save_viminfo;
10677 }
10678 #endif
10679
10680 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10681 /*
10682 * Make a dialog message in "buff[IOSIZE]".
10683 * "format" must contain "%s".
10684 */
10685 void
10686 dialog_msg(buff, format, fname)
10687 char_u *buff;
10688 char *format;
10689 char_u *fname;
10690 {
10691 if (fname == NULL)
10692 fname = (char_u *)_("Untitled");
10693 vim_snprintf((char *)buff, IOSIZE, format, fname);
10694 }
10695 #endif
10696
10697 /*
10698 * ":behave {mswin,xterm}"
10699 */
10700 static void
10701 ex_behave(eap)
10702 exarg_T *eap;
10703 {
10704 if (STRCMP(eap->arg, "mswin") == 0)
10705 {
10706 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10707 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10708 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10709 set_option_value((char_u *)"keymodel", 0L,
10710 (char_u *)"startsel,stopsel", 0);
10711 }
10712 else if (STRCMP(eap->arg, "xterm") == 0)
10713 {
10714 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10715 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10716 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10717 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10718 }
10719 else
10720 EMSG2(_(e_invarg2), eap->arg);
10721 }
10722
10723 #ifdef FEAT_AUTOCMD
10724 static int filetype_detect = FALSE;
10725 static int filetype_plugin = FALSE;
10726 static int filetype_indent = FALSE;
10727
10728 /*
10729 * ":filetype [plugin] [indent] {on,off,detect}"
10730 * on: Load the filetype.vim file to install autocommands for file types.
10731 * off: Load the ftoff.vim file to remove all autocommands for file types.
10732 * plugin on: load filetype.vim and ftplugin.vim
10733 * plugin off: load ftplugof.vim
10734 * indent on: load filetype.vim and indent.vim
10735 * indent off: load indoff.vim
10736 */
10737 static void
10738 ex_filetype(eap)
10739 exarg_T *eap;
10740 {
10741 char_u *arg = eap->arg;
10742 int plugin = FALSE;
10743 int indent = FALSE;
10744
10745 if (*eap->arg == NUL)
10746 {
10747 /* Print current status. */
10748 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10749 filetype_detect ? "ON" : "OFF",
10750 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10751 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10752 return;
10753 }
10754
10755 /* Accept "plugin" and "indent" in any order. */
10756 for (;;)
10757 {
10758 if (STRNCMP(arg, "plugin", 6) == 0)
10759 {
10760 plugin = TRUE;
10761 arg = skipwhite(arg + 6);
10762 continue;
10763 }
10764 if (STRNCMP(arg, "indent", 6) == 0)
10765 {
10766 indent = TRUE;
10767 arg = skipwhite(arg + 6);
10768 continue;
10769 }
10770 break;
10771 }
10772 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10773 {
10774 if (*arg == 'o' || !filetype_detect)
10775 {
10776 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10777 filetype_detect = TRUE;
10778 if (plugin)
10779 {
10780 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10781 filetype_plugin = TRUE;
10782 }
10783 if (indent)
10784 {
10785 source_runtime((char_u *)INDENT_FILE, TRUE);
10786 filetype_indent = TRUE;
10787 }
10788 }
10789 if (*arg == 'd')
10790 {
10791 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10792 do_modelines(0);
10793 }
10794 }
10795 else if (STRCMP(arg, "off") == 0)
10796 {
10797 if (plugin || indent)
10798 {
10799 if (plugin)
10800 {
10801 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10802 filetype_plugin = FALSE;
10803 }
10804 if (indent)
10805 {
10806 source_runtime((char_u *)INDOFF_FILE, TRUE);
10807 filetype_indent = FALSE;
10808 }
10809 }
10810 else
10811 {
10812 source_runtime((char_u *)FTOFF_FILE, TRUE);
10813 filetype_detect = FALSE;
10814 }
10815 }
10816 else
10817 EMSG2(_(e_invarg2), arg);
10818 }
10819
10820 /*
10821 * ":setfiletype {name}"
10822 */
10823 static void
10824 ex_setfiletype(eap)
10825 exarg_T *eap;
10826 {
10827 if (!did_filetype)
10828 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10829 }
10830 #endif
10831
10832 /*ARGSUSED*/
10833 static void
10834 ex_digraphs(eap)
10835 exarg_T *eap;
10836 {
10837 #ifdef FEAT_DIGRAPHS
10838 if (*eap->arg != NUL)
10839 putdigraph(eap->arg);
10840 else
10841 listdigraphs();
10842 #else
10843 EMSG(_("E196: No digraphs in this version"));
10844 #endif
10845 }
10846
10847 static void
10848 ex_set(eap)
10849 exarg_T *eap;
10850 {
10851 int flags = 0;
10852
10853 if (eap->cmdidx == CMD_setlocal)
10854 flags = OPT_LOCAL;
10855 else if (eap->cmdidx == CMD_setglobal)
10856 flags = OPT_GLOBAL;
10857 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10858 if (cmdmod.browse && flags == 0)
10859 ex_options(eap);
10860 else
10861 #endif
10862 (void)do_set(eap->arg, flags);
10863 }
10864
10865 #ifdef FEAT_SEARCH_EXTRA
10866 /*
10867 * ":nohlsearch"
10868 */
10869 /*ARGSUSED*/
10870 static void
10871 ex_nohlsearch(eap)
10872 exarg_T *eap;
10873 {
10874 no_hlsearch = TRUE;
10875 redraw_all_later(SOME_VALID);
10876 }
10877
10878 /*
10879 * ":[N]match {group} {pattern}"
10880 * Sets nextcmd to the start of the next command, if any. Also called when
10881 * skipping commands to find the next command.
10882 */
10883 static void
10884 ex_match(eap)
10885 exarg_T *eap;
10886 {
10887 char_u *p;
10888 char_u *g = NULL;
10889 char_u *end;
10890 int c;
10891 int id;
10892
10893 if (eap->line2 <= 3)
10894 id = eap->line2;
10895 else
10896 {
10897 EMSG(e_invcmd);
10898 return;
10899 }
10900
10901 /* First clear any old pattern. */
10902 if (!eap->skip)
10903 match_delete(curwin, id, FALSE);
10904
10905 if (ends_excmd(*eap->arg))
10906 end = eap->arg;
10907 else if ((STRNICMP(eap->arg, "none", 4) == 0
10908 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10909 end = eap->arg + 4;
10910 else
10911 {
10912 p = skiptowhite(eap->arg);
10913 if (!eap->skip)
10914 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10915 p = skipwhite(p);
10916 if (*p == NUL)
10917 {
10918 /* There must be two arguments. */
10919 EMSG2(_(e_invarg2), eap->arg);
10920 return;
10921 }
10922 end = skip_regexp(p + 1, *p, TRUE, NULL);
10923 if (!eap->skip)
10924 {
10925 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10926 {
10927 eap->errmsg = e_trailing;
10928 return;
10929 }
10930 if (*end != *p)
10931 {
10932 EMSG2(_(e_invarg2), p);
10933 return;
10934 }
10935
10936 c = *end;
10937 *end = NUL;
10938 match_add(curwin, g, p + 1, 10, id);
10939 vim_free(g);
10940 *end = c;
10941 }
10942 }
10943 eap->nextcmd = find_nextcmd(end);
10944 }
10945 #endif
10946
10947 #ifdef FEAT_CRYPT
10948 /*
10949 * ":X": Get crypt key
10950 */
10951 /*ARGSUSED*/
10952 static void
10953 ex_X(eap)
10954 exarg_T *eap;
10955 {
10956 (void)get_crypt_key(TRUE, TRUE);
10957 }
10958 #endif
10959
10960 #ifdef FEAT_FOLDING
10961 static void
10962 ex_fold(eap)
10963 exarg_T *eap;
10964 {
10965 if (foldManualAllowed(TRUE))
10966 foldCreate(eap->line1, eap->line2);
10967 }
10968
10969 static void
10970 ex_foldopen(eap)
10971 exarg_T *eap;
10972 {
10973 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10974 eap->forceit, FALSE);
10975 }
10976
10977 static void
10978 ex_folddo(eap)
10979 exarg_T *eap;
10980 {
10981 linenr_T lnum;
10982
10983 /* First set the marks for all lines closed/open. */
10984 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10985 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10986 ml_setmarked(lnum);
10987
10988 /* Execute the command on the marked lines. */
10989 global_exe(eap->arg);
10990 ml_clearmarked(); /* clear rest of the marks */
10991 }
10992 #endif
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