?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge upstream changes to 'svn-vim'
[MacVim.git] / src / ex_docmd.c
blob51e6d7f59cd01a53ef4c82c40d6058d5f519feaf
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 #ifdef HAVE_FCNTL_H
17 # include <fcntl.h> /* for chdir() */
18 #endif
19
20 static int quitmore = 0;
21 static int ex_pressedreturn = FALSE;
22 #ifndef FEAT_PRINTER
23 # define ex_hardcopy ex_ni
24 #endif
25
26 #ifdef FEAT_USR_CMDS
27 typedef struct ucmd
28 {
29 char_u *uc_name; /* The command name */
30 long_u uc_argt; /* The argument type */
31 char_u *uc_rep; /* The command's replacement string */
32 long uc_def; /* The default value for a range/count */
33 scid_T uc_scriptID; /* SID where the command was defined */
34 int uc_compl; /* completion type */
35 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
36 char_u *uc_compl_arg; /* completion argument if any */
37 # endif
38 } ucmd_T;
39
40 #define UC_BUFFER 1 /* -buffer: local to current buffer */
41
42 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
43
44 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
45 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
46
47 static void do_ucmd __ARGS((exarg_T *eap));
48 static void ex_command __ARGS((exarg_T *eap));
49 static void ex_delcommand __ARGS((exarg_T *eap));
50 # ifdef FEAT_CMDL_COMPL
51 static char_u *get_user_command_name __ARGS((int idx));
52 # endif
53
54 #else
55 # define ex_command ex_ni
56 # define ex_comclear ex_ni
57 # define ex_delcommand ex_ni
58 #endif
59
60 #ifdef FEAT_EVAL
61 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
62 #else
63 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
64 static int if_level = 0; /* depth in :if */
65 #endif
66 static char_u *find_command __ARGS((exarg_T *eap, int *full));
67
68 static void ex_abbreviate __ARGS((exarg_T *eap));
69 static void ex_map __ARGS((exarg_T *eap));
70 static void ex_unmap __ARGS((exarg_T *eap));
71 static void ex_mapclear __ARGS((exarg_T *eap));
72 static void ex_abclear __ARGS((exarg_T *eap));
73 #ifndef FEAT_MENU
74 # define ex_emenu ex_ni
75 # define ex_menu ex_ni
76 # define ex_menutranslate ex_ni
77 #endif
78 #ifdef FEAT_AUTOCMD
79 static void ex_autocmd __ARGS((exarg_T *eap));
80 static void ex_doautocmd __ARGS((exarg_T *eap));
81 #else
82 # define ex_autocmd ex_ni
83 # define ex_doautocmd ex_ni
84 # define ex_doautoall ex_ni
85 #endif
86 #ifdef FEAT_LISTCMDS
87 static void ex_bunload __ARGS((exarg_T *eap));
88 static void ex_buffer __ARGS((exarg_T *eap));
89 static void ex_bmodified __ARGS((exarg_T *eap));
90 static void ex_bnext __ARGS((exarg_T *eap));
91 static void ex_bprevious __ARGS((exarg_T *eap));
92 static void ex_brewind __ARGS((exarg_T *eap));
93 static void ex_blast __ARGS((exarg_T *eap));
94 #else
95 # define ex_bunload ex_ni
96 # define ex_buffer ex_ni
97 # define ex_bmodified ex_ni
98 # define ex_bnext ex_ni
99 # define ex_bprevious ex_ni
100 # define ex_brewind ex_ni
101 # define ex_blast ex_ni
102 # define buflist_list ex_ni
103 # define ex_checktime ex_ni
104 #endif
105 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
106 # define ex_buffer_all ex_ni
107 #endif
108 static char_u *getargcmd __ARGS((char_u **));
109 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
110 static int getargopt __ARGS((exarg_T *eap));
111 #ifndef FEAT_QUICKFIX
112 # define ex_make ex_ni
113 # define ex_cbuffer ex_ni
114 # define ex_cc ex_ni
115 # define ex_cnext ex_ni
116 # define ex_cfile ex_ni
117 # define qf_list ex_ni
118 # define qf_age ex_ni
119 # define ex_helpgrep ex_ni
120 # define ex_vimgrep ex_ni
121 #endif
122 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
123 # define ex_cclose ex_ni
124 # define ex_copen ex_ni
125 # define ex_cwindow ex_ni
126 #endif
127 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
128 # define ex_cexpr ex_ni
129 #endif
130
131 static int check_more __ARGS((int, int));
132 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
133 static void get_flags __ARGS((exarg_T *eap));
134 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
135 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
136 # define HAVE_EX_SCRIPT_NI
137 static void ex_script_ni __ARGS((exarg_T *eap));
138 #endif
139 static char_u *invalid_range __ARGS((exarg_T *eap));
140 static void correct_range __ARGS((exarg_T *eap));
141 #ifdef FEAT_QUICKFIX
142 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
143 #endif
144 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
145 static void ex_highlight __ARGS((exarg_T *eap));
146 static void ex_colorscheme __ARGS((exarg_T *eap));
147 static void ex_quit __ARGS((exarg_T *eap));
148 static void ex_cquit __ARGS((exarg_T *eap));
149 static void ex_quit_all __ARGS((exarg_T *eap));
150 #ifdef FEAT_WINDOWS
151 static void ex_close __ARGS((exarg_T *eap));
152 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
153 static void ex_only __ARGS((exarg_T *eap));
154 static void ex_resize __ARGS((exarg_T *eap));
155 static void ex_stag __ARGS((exarg_T *eap));
156 static void ex_tabclose __ARGS((exarg_T *eap));
157 static void ex_tabonly __ARGS((exarg_T *eap));
158 static void ex_tabnext __ARGS((exarg_T *eap));
159 static void ex_tabmove __ARGS((exarg_T *eap));
160 static void ex_tabs __ARGS((exarg_T *eap));
161 #else
162 # define ex_close ex_ni
163 # define ex_only ex_ni
164 # define ex_all ex_ni
165 # define ex_resize ex_ni
166 # define ex_splitview ex_ni
167 # define ex_stag ex_ni
168 # define ex_tabnext ex_ni
169 # define ex_tabmove ex_ni
170 # define ex_tabs ex_ni
171 # define ex_tabclose ex_ni
172 # define ex_tabonly ex_ni
173 #endif
174 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
175 static void ex_pclose __ARGS((exarg_T *eap));
176 static void ex_ptag __ARGS((exarg_T *eap));
177 static void ex_pedit __ARGS((exarg_T *eap));
178 #else
179 # define ex_pclose ex_ni
180 # define ex_ptag ex_ni
181 # define ex_pedit ex_ni
182 #endif
183 static void ex_hide __ARGS((exarg_T *eap));
184 static void ex_stop __ARGS((exarg_T *eap));
185 static void ex_exit __ARGS((exarg_T *eap));
186 static void ex_print __ARGS((exarg_T *eap));
187 #ifdef FEAT_BYTEOFF
188 static void ex_goto __ARGS((exarg_T *eap));
189 #else
190 # define ex_goto ex_ni
191 #endif
192 static void ex_shell __ARGS((exarg_T *eap));
193 static void ex_preserve __ARGS((exarg_T *eap));
194 static void ex_recover __ARGS((exarg_T *eap));
195 #ifndef FEAT_LISTCMDS
196 # define ex_argedit ex_ni
197 # define ex_argadd ex_ni
198 # define ex_argdelete ex_ni
199 # define ex_listdo ex_ni
200 #endif
201 static void ex_mode __ARGS((exarg_T *eap));
202 static void ex_wrongmodifier __ARGS((exarg_T *eap));
203 static void ex_find __ARGS((exarg_T *eap));
204 static void ex_open __ARGS((exarg_T *eap));
205 static void ex_edit __ARGS((exarg_T *eap));
206 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
207 # define ex_drop ex_ni
208 #endif
209 #ifndef FEAT_GUI
210 # define ex_gui ex_nogui
211 static void ex_nogui __ARGS((exarg_T *eap));
212 #endif
213 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
214 static void ex_tearoff __ARGS((exarg_T *eap));
215 #else
216 # define ex_tearoff ex_ni
217 #endif
218 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
219 || defined(FEAT_GUI_MACVIM))
220 static void ex_popup __ARGS((exarg_T *eap));
221 #else
222 # define ex_popup ex_ni
223 #endif
224 #ifndef FEAT_GUI_MSWIN
225 # define ex_simalt ex_ni
226 #endif
227 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
228 # define gui_mch_find_dialog ex_ni
229 # define gui_mch_replace_dialog ex_ni
230 #endif
231 #if !defined(FEAT_GUI_GTK)
232 # define ex_helpfind ex_ni
233 #endif
234 #ifndef FEAT_CSCOPE
235 # define do_cscope ex_ni
236 # define do_scscope ex_ni
237 # define do_cstag ex_ni
238 #endif
239 #ifndef FEAT_SYN_HL
240 # define ex_syntax ex_ni
241 #endif
242 #ifndef FEAT_SPELL
243 # define ex_spell ex_ni
244 # define ex_mkspell ex_ni
245 # define ex_spelldump ex_ni
246 # define ex_spellinfo ex_ni
247 # define ex_spellrepall ex_ni
248 #endif
249 #ifndef FEAT_MZSCHEME
250 # define ex_mzscheme ex_script_ni
251 # define ex_mzfile ex_ni
252 #endif
253 #ifndef FEAT_PERL
254 # define ex_perl ex_script_ni
255 # define ex_perldo ex_ni
256 #endif
257 #ifndef FEAT_PYTHON
258 # define ex_python ex_script_ni
259 # define ex_pyfile ex_ni
260 #endif
261 #ifndef FEAT_TCL
262 # define ex_tcl ex_script_ni
263 # define ex_tcldo ex_ni
264 # define ex_tclfile ex_ni
265 #endif
266 #ifndef FEAT_RUBY
267 # define ex_ruby ex_script_ni
268 # define ex_rubydo ex_ni
269 # define ex_rubyfile ex_ni
270 #endif
271 #ifndef FEAT_SNIFF
272 # define ex_sniff ex_ni
273 #endif
274 #ifndef FEAT_KEYMAP
275 # define ex_loadkeymap ex_ni
276 #endif
277 static void ex_swapname __ARGS((exarg_T *eap));
278 static void ex_syncbind __ARGS((exarg_T *eap));
279 static void ex_read __ARGS((exarg_T *eap));
280 static void ex_pwd __ARGS((exarg_T *eap));
281 static void ex_equal __ARGS((exarg_T *eap));
282 static void ex_sleep __ARGS((exarg_T *eap));
283 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
284 static void ex_winsize __ARGS((exarg_T *eap));
285 #ifdef FEAT_WINDOWS
286 static void ex_wincmd __ARGS((exarg_T *eap));
287 #else
288 # define ex_wincmd ex_ni
289 #endif
290 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
291 static void ex_winpos __ARGS((exarg_T *eap));
292 #else
293 # define ex_winpos ex_ni
294 #endif
295 static void ex_operators __ARGS((exarg_T *eap));
296 static void ex_put __ARGS((exarg_T *eap));
297 static void ex_copymove __ARGS((exarg_T *eap));
298 static void ex_may_print __ARGS((exarg_T *eap));
299 static void ex_submagic __ARGS((exarg_T *eap));
300 static void ex_join __ARGS((exarg_T *eap));
301 static void ex_at __ARGS((exarg_T *eap));
302 static void ex_bang __ARGS((exarg_T *eap));
303 static void ex_undo __ARGS((exarg_T *eap));
304 static void ex_redo __ARGS((exarg_T *eap));
305 static void ex_later __ARGS((exarg_T *eap));
306 static void ex_redir __ARGS((exarg_T *eap));
307 static void ex_redraw __ARGS((exarg_T *eap));
308 static void ex_redrawstatus __ARGS((exarg_T *eap));
309 static void close_redir __ARGS((void));
310 static void ex_mkrc __ARGS((exarg_T *eap));
311 static void ex_mark __ARGS((exarg_T *eap));
312 #ifdef FEAT_USR_CMDS
313 static char_u *uc_fun_cmd __ARGS((void));
314 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
315 #endif
316 #ifdef FEAT_EX_EXTRA
317 static void ex_normal __ARGS((exarg_T *eap));
318 static void ex_startinsert __ARGS((exarg_T *eap));
319 static void ex_stopinsert __ARGS((exarg_T *eap));
320 #else
321 # define ex_normal ex_ni
322 # define ex_align ex_ni
323 # define ex_retab ex_ni
324 # define ex_startinsert ex_ni
325 # define ex_stopinsert ex_ni
326 # define ex_helptags ex_ni
327 # define ex_sort ex_ni
328 #endif
329 #ifdef FEAT_FIND_ID
330 static void ex_checkpath __ARGS((exarg_T *eap));
331 static void ex_findpat __ARGS((exarg_T *eap));
332 #else
333 # define ex_findpat ex_ni
334 # define ex_checkpath ex_ni
335 #endif
336 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
337 static void ex_psearch __ARGS((exarg_T *eap));
338 #else
339 # define ex_psearch ex_ni
340 #endif
341 static void ex_tag __ARGS((exarg_T *eap));
342 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
343 #ifndef FEAT_EVAL
344 # define ex_scriptnames ex_ni
345 # define ex_finish ex_ni
346 # define ex_echo ex_ni
347 # define ex_echohl ex_ni
348 # define ex_execute ex_ni
349 # define ex_call ex_ni
350 # define ex_if ex_ni
351 # define ex_endif ex_ni
352 # define ex_else ex_ni
353 # define ex_while ex_ni
354 # define ex_for ex_ni
355 # define ex_continue ex_ni
356 # define ex_break ex_ni
357 # define ex_endwhile ex_ni
358 # define ex_endfor ex_ni
359 # define ex_throw ex_ni
360 # define ex_try ex_ni
361 # define ex_catch ex_ni
362 # define ex_finally ex_ni
363 # define ex_endtry ex_ni
364 # define ex_endfunction ex_ni
365 # define ex_let ex_ni
366 # define ex_unlet ex_ni
367 # define ex_lockvar ex_ni
368 # define ex_unlockvar ex_ni
369 # define ex_function ex_ni
370 # define ex_delfunction ex_ni
371 # define ex_return ex_ni
372 #endif
373 static char_u *arg_all __ARGS((void));
374 #ifdef FEAT_SESSION
375 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
376 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
377 static void ex_loadview __ARGS((exarg_T *eap));
378 static char_u *get_view_file __ARGS((int c));
379 static int did_lcd; /* whether ":lcd" was produced for a session */
380 #else
381 # define ex_loadview ex_ni
382 #endif
383 #ifndef FEAT_EVAL
384 # define ex_compiler ex_ni
385 #endif
386 #ifdef FEAT_VIMINFO
387 static void ex_viminfo __ARGS((exarg_T *eap));
388 #else
389 # define ex_viminfo ex_ni
390 #endif
391 static void ex_behave __ARGS((exarg_T *eap));
392 #ifdef FEAT_AUTOCMD
393 static void ex_filetype __ARGS((exarg_T *eap));
394 static void ex_setfiletype __ARGS((exarg_T *eap));
395 #else
396 # define ex_filetype ex_ni
397 # define ex_setfiletype ex_ni
398 #endif
399 #ifndef FEAT_DIFF
400 # define ex_diffoff ex_ni
401 # define ex_diffpatch ex_ni
402 # define ex_diffgetput ex_ni
403 # define ex_diffsplit ex_ni
404 # define ex_diffthis ex_ni
405 # define ex_diffupdate ex_ni
406 #endif
407 static void ex_digraphs __ARGS((exarg_T *eap));
408 static void ex_set __ARGS((exarg_T *eap));
409 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
410 # define ex_options ex_ni
411 #endif
412 #ifdef FEAT_SEARCH_EXTRA
413 static void ex_nohlsearch __ARGS((exarg_T *eap));
414 static void ex_match __ARGS((exarg_T *eap));
415 #else
416 # define ex_nohlsearch ex_ni
417 # define ex_match ex_ni
418 #endif
419 #ifdef FEAT_CRYPT
420 static void ex_X __ARGS((exarg_T *eap));
421 #else
422 # define ex_X ex_ni
423 #endif
424 #ifdef FEAT_FOLDING
425 static void ex_fold __ARGS((exarg_T *eap));
426 static void ex_foldopen __ARGS((exarg_T *eap));
427 static void ex_folddo __ARGS((exarg_T *eap));
428 #else
429 # define ex_fold ex_ni
430 # define ex_foldopen ex_ni
431 # define ex_folddo ex_ni
432 #endif
433 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
434 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
435 # define ex_language ex_ni
436 #endif
437 #ifndef FEAT_SIGNS
438 # define ex_sign ex_ni
439 #endif
440 #ifndef FEAT_SUN_WORKSHOP
441 # define ex_wsverb ex_ni
442 #endif
443 #ifndef FEAT_NETBEANS_INTG
444 # define ex_nbkey ex_ni
445 #endif
446
447 #ifndef FEAT_EVAL
448 # define ex_debug ex_ni
449 # define ex_breakadd ex_ni
450 # define ex_debuggreedy ex_ni
451 # define ex_breakdel ex_ni
452 # define ex_breaklist ex_ni
453 #endif
454
455 #ifndef FEAT_CMDHIST
456 # define ex_history ex_ni
457 #endif
458 #ifndef FEAT_JUMPLIST
459 # define ex_jumps ex_ni
460 # define ex_changes ex_ni
461 #endif
462
463 #ifndef FEAT_PROFILE
464 # define ex_profile ex_ni
465 #endif
466
467 #ifndef FEAT_GUI_MACVIM
468 # define ex_macaction ex_ni
469 # define ex_macmenukey ex_ni
470 #endif
471
472 /*
473 * Declare cmdnames[].
474 */
475 #define DO_DECLARE_EXCMD
476 #include "ex_cmds.h"
477
478 /*
479 * Table used to quickly search for a command, based on its first character.
480 */
481 static cmdidx_T cmdidxs[27] =
482 {
483 CMD_append,
484 CMD_buffer,
485 CMD_change,
486 CMD_delete,
487 CMD_edit,
488 CMD_file,
489 CMD_global,
490 CMD_help,
491 CMD_insert,
492 CMD_join,
493 CMD_k,
494 CMD_list,
495 CMD_move,
496 CMD_next,
497 CMD_open,
498 CMD_print,
499 CMD_quit,
500 CMD_read,
501 CMD_substitute,
502 CMD_t,
503 CMD_undo,
504 CMD_vglobal,
505 CMD_write,
506 CMD_xit,
507 CMD_yank,
508 CMD_z,
509 CMD_bang
510 };
511
512 static char_u dollar_command[2] = {'$', 0};
513
514
515 #ifdef FEAT_EVAL
516 /* Struct for storing a line inside a while/for loop */
517 typedef struct
518 {
519 char_u *line; /* command line */
520 linenr_T lnum; /* sourcing_lnum of the line */
521 } wcmd_T;
522
523 /*
524 * Structure used to store info for line position in a while or for loop.
525 * This is required, because do_one_cmd() may invoke ex_function(), which
526 * reads more lines that may come from the while/for loop.
527 */
528 struct loop_cookie
529 {
530 garray_T *lines_gap; /* growarray with line info */
531 int current_line; /* last read line from growarray */
532 int repeating; /* TRUE when looping a second time */
533 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
534 char_u *(*getline) __ARGS((int, void *, int));
535 void *cookie;
536 };
537
538 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
539 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
540 static void free_cmdlines __ARGS((garray_T *gap));
541
542 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
543 struct dbg_stuff
544 {
545 int trylevel;
546 int force_abort;
547 except_T *caught_stack;
548 char_u *vv_exception;
549 char_u *vv_throwpoint;
550 int did_emsg;
551 int got_int;
552 int did_throw;
553 int need_rethrow;
554 int check_cstack;
555 except_T *current_exception;
556 };
557
558 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
559 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
560
561 static void
562 save_dbg_stuff(dsp)
563 struct dbg_stuff *dsp;
564 {
565 dsp->trylevel = trylevel; trylevel = 0;
566 dsp->force_abort = force_abort; force_abort = FALSE;
567 dsp->caught_stack = caught_stack; caught_stack = NULL;
568 dsp->vv_exception = v_exception(NULL);
569 dsp->vv_throwpoint = v_throwpoint(NULL);
570
571 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
572 dsp->did_emsg = did_emsg; did_emsg = FALSE;
573 dsp->got_int = got_int; got_int = FALSE;
574 dsp->did_throw = did_throw; did_throw = FALSE;
575 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
576 dsp->check_cstack = check_cstack; check_cstack = FALSE;
577 dsp->current_exception = current_exception; current_exception = NULL;
578 }
579
580 static void
581 restore_dbg_stuff(dsp)
582 struct dbg_stuff *dsp;
583 {
584 suppress_errthrow = FALSE;
585 trylevel = dsp->trylevel;
586 force_abort = dsp->force_abort;
587 caught_stack = dsp->caught_stack;
588 (void)v_exception(dsp->vv_exception);
589 (void)v_throwpoint(dsp->vv_throwpoint);
590 did_emsg = dsp->did_emsg;
591 got_int = dsp->got_int;
592 did_throw = dsp->did_throw;
593 need_rethrow = dsp->need_rethrow;
594 check_cstack = dsp->check_cstack;
595 current_exception = dsp->current_exception;
596 }
597 #endif
598
599
600 /*
601 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
602 * command is given.
603 */
604 void
605 do_exmode(improved)
606 int improved; /* TRUE for "improved Ex" mode */
607 {
608 int save_msg_scroll;
609 int prev_msg_row;
610 linenr_T prev_line;
611 int changedtick;
612
613 if (improved)
614 exmode_active = EXMODE_VIM;
615 else
616 exmode_active = EXMODE_NORMAL;
617 State = NORMAL;
618
619 /* When using ":global /pat/ visual" and then "Q" we return to continue
620 * the :global command. */
621 if (global_busy)
622 return;
623
624 save_msg_scroll = msg_scroll;
625 ++RedrawingDisabled; /* don't redisplay the window */
626 ++no_wait_return; /* don't wait for return */
627 #ifdef FEAT_GUI
628 /* Ignore scrollbar and mouse events in Ex mode */
629 ++hold_gui_events;
630 #endif
631 #ifdef FEAT_SNIFF
632 want_sniff_request = 0; /* No K_SNIFF wanted */
633 #endif
634
635 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
636 while (exmode_active)
637 {
638 #ifdef FEAT_EX_EXTRA
639 /* Check for a ":normal" command and no more characters left. */
640 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
641 {
642 exmode_active = FALSE;
643 break;
644 }
645 #endif
646 msg_scroll = TRUE;
647 need_wait_return = FALSE;
648 ex_pressedreturn = FALSE;
649 ex_no_reprint = FALSE;
650 changedtick = curbuf->b_changedtick;
651 prev_msg_row = msg_row;
652 prev_line = curwin->w_cursor.lnum;
653 #ifdef FEAT_SNIFF
654 ProcessSniffRequests();
655 #endif
656 if (improved)
657 {
658 cmdline_row = msg_row;
659 do_cmdline(NULL, getexline, NULL, 0);
660 }
661 else
662 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
663 lines_left = Rows - 1;
664
665 if ((prev_line != curwin->w_cursor.lnum
666 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
667 {
668 if (curbuf->b_ml.ml_flags & ML_EMPTY)
669 EMSG(_(e_emptybuf));
670 else
671 {
672 if (ex_pressedreturn)
673 {
674 /* go up one line, to overwrite the ":<CR>" line, so the
675 * output doesn't contain empty lines. */
676 msg_row = prev_msg_row;
677 if (prev_msg_row == Rows - 1)
678 msg_row--;
679 }
680 msg_col = 0;
681 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
682 msg_clr_eos();
683 }
684 }
685 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
686 {
687 if (curbuf->b_ml.ml_flags & ML_EMPTY)
688 EMSG(_(e_emptybuf));
689 else
690 EMSG(_("E501: At end-of-file"));
691 }
692 }
693
694 #ifdef FEAT_GUI
695 --hold_gui_events;
696 #endif
697 --RedrawingDisabled;
698 --no_wait_return;
699 update_screen(CLEAR);
700 need_wait_return = FALSE;
701 msg_scroll = save_msg_scroll;
702 }
703
704 /*
705 * Execute a simple command line. Used for translated commands like "*".
706 */
707 int
708 do_cmdline_cmd(cmd)
709 char_u *cmd;
710 {
711 return do_cmdline(cmd, NULL, NULL,
712 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
713 }
714
715 /*
716 * do_cmdline(): execute one Ex command line
717 *
718 * 1. Execute "cmdline" when it is not NULL.
719 * If "cmdline" is NULL, or more lines are needed, getline() is used.
720 * 2. Split up in parts separated with '|'.
721 *
722 * This function can be called recursively!
723 *
724 * flags:
725 * DOCMD_VERBOSE - The command will be included in the error message.
726 * DOCMD_NOWAIT - Don't call wait_return() and friends.
727 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
728 * DOCMD_KEYTYPED - Don't reset KeyTyped.
729 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
730 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
731 *
732 * return FAIL if cmdline could not be executed, OK otherwise
733 */
734 int
735 do_cmdline(cmdline, getline, cookie, flags)
736 char_u *cmdline;
737 char_u *(*getline) __ARGS((int, void *, int));
738 void *cookie; /* argument for getline() */
739 int flags;
740 {
741 char_u *next_cmdline; /* next cmd to execute */
742 char_u *cmdline_copy = NULL; /* copy of cmd line */
743 int used_getline = FALSE; /* used "getline" to obtain command */
744 static int recursive = 0; /* recursive depth */
745 int msg_didout_before_start = 0;
746 int count = 0; /* line number count */
747 int did_inc = FALSE; /* incremented RedrawingDisabled */
748 int retval = OK;
749 #ifdef FEAT_EVAL
750 struct condstack cstack; /* conditional stack */
751 garray_T lines_ga; /* keep lines for ":while"/":for" */
752 int current_line = 0; /* active line in lines_ga */
753 char_u *fname = NULL; /* function or script name */
754 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
755 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
756 struct dbg_stuff debug_saved; /* saved things for debug mode */
757 int initial_trylevel;
758 struct msglist **saved_msg_list = NULL;
759 struct msglist *private_msg_list;
760
761 /* "getline" and "cookie" passed to do_one_cmd() */
762 char_u *(*cmd_getline) __ARGS((int, void *, int));
763 void *cmd_cookie;
764 struct loop_cookie cmd_loop_cookie;
765 void *real_cookie;
766 int getline_is_func;
767 #else
768 # define cmd_getline getline
769 # define cmd_cookie cookie
770 #endif
771 static int call_depth = 0; /* recursiveness */
772
773 #ifdef FEAT_EVAL
774 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
775 * location for storing error messages to be converted to an exception.
776 * This ensures that the do_errthrow() call in do_one_cmd() does not
777 * combine the messages stored by an earlier invocation of do_one_cmd()
778 * with the command name of the later one. This would happen when
779 * BufWritePost autocommands are executed after a write error. */
780 saved_msg_list = msg_list;
781 msg_list = &private_msg_list;
782 private_msg_list = NULL;
783 #endif
784
785 /* It's possible to create an endless loop with ":execute", catch that
786 * here. The value of 200 allows nested function calls, ":source", etc. */
787 if (call_depth == 200)
788 {
789 EMSG(_("E169: Command too recursive"));
790 #ifdef FEAT_EVAL
791 /* When converting to an exception, we do not include the command name
792 * since this is not an error of the specific command. */
793 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
794 msg_list = saved_msg_list;
795 #endif
796 return FAIL;
797 }
798 ++call_depth;
799
800 #ifdef FEAT_EVAL
801 cstack.cs_idx = -1;
802 cstack.cs_looplevel = 0;
803 cstack.cs_trylevel = 0;
804 cstack.cs_emsg_silent_list = NULL;
805 cstack.cs_lflags = 0;
806 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
807
808 real_cookie = getline_cookie(getline, cookie);
809
810 /* Inside a function use a higher nesting level. */
811 getline_is_func = getline_equal(getline, cookie, get_func_line);
812 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
813 ++ex_nesting_level;
814
815 /* Get the function or script name and the address where the next breakpoint
816 * line and the debug tick for a function or script are stored. */
817 if (getline_is_func)
818 {
819 fname = func_name(real_cookie);
820 breakpoint = func_breakpoint(real_cookie);
821 dbg_tick = func_dbg_tick(real_cookie);
822 }
823 else if (getline_equal(getline, cookie, getsourceline))
824 {
825 fname = sourcing_name;
826 breakpoint = source_breakpoint(real_cookie);
827 dbg_tick = source_dbg_tick(real_cookie);
828 }
829
830 /*
831 * Initialize "force_abort" and "suppress_errthrow" at the top level.
832 */
833 if (!recursive)
834 {
835 force_abort = FALSE;
836 suppress_errthrow = FALSE;
837 }
838
839 /*
840 * If requested, store and reset the global values controlling the
841 * exception handling (used when debugging). Otherwise clear it to avoid
842 * a bogus compiler warning when the optimizer uses inline functions...
843 */
844 if (flags & DOCMD_EXCRESET)
845 save_dbg_stuff(&debug_saved);
846 else
847 memset(&debug_saved, 0, 1);
848
849 initial_trylevel = trylevel;
850
851 /*
852 * "did_throw" will be set to TRUE when an exception is being thrown.
853 */
854 did_throw = FALSE;
855 #endif
856 /*
857 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
858 * cancel the whole command line, and any if/endif or loop.
859 * If force_abort is set, we cancel everything.
860 */
861 did_emsg = FALSE;
862
863 /*
864 * KeyTyped is only set when calling vgetc(). Reset it here when not
865 * calling vgetc() (sourced command lines).
866 */
867 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
868 KeyTyped = FALSE;
869
870 /*
871 * Continue executing command lines:
872 * - when inside an ":if", ":while" or ":for"
873 * - for multiple commands on one line, separated with '|'
874 * - when repeating until there are no more lines (for ":source")
875 */
876 next_cmdline = cmdline;
877 do
878 {
879 #ifdef FEAT_EVAL
880 getline_is_func = getline_equal(getline, cookie, get_func_line);
881 #endif
882
883 /* stop skipping cmds for an error msg after all endif/while/for */
884 if (next_cmdline == NULL
885 #ifdef FEAT_EVAL
886 && !force_abort
887 && cstack.cs_idx < 0
888 && !(getline_is_func && func_has_abort(real_cookie))
889 #endif
890 )
891 did_emsg = FALSE;
892
893 /*
894 * 1. If repeating a line in a loop, get a line from lines_ga.
895 * 2. If no line given: Get an allocated line with getline().
896 * 3. If a line is given: Make a copy, so we can mess with it.
897 */
898
899 #ifdef FEAT_EVAL
900 /* 1. If repeating, get a previous line from lines_ga. */
901 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
902 {
903 /* Each '|' separated command is stored separately in lines_ga, to
904 * be able to jump to it. Don't use next_cmdline now. */
905 vim_free(cmdline_copy);
906 cmdline_copy = NULL;
907
908 /* Check if a function has returned or, unless it has an unclosed
909 * try conditional, aborted. */
910 if (getline_is_func)
911 {
912 # ifdef FEAT_PROFILE
913 if (do_profiling == PROF_YES)
914 func_line_end(real_cookie);
915 # endif
916 if (func_has_ended(real_cookie))
917 {
918 retval = FAIL;
919 break;
920 }
921 }
922 #ifdef FEAT_PROFILE
923 else if (do_profiling == PROF_YES
924 && getline_equal(getline, cookie, getsourceline))
925 script_line_end();
926 #endif
927
928 /* Check if a sourced file hit a ":finish" command. */
929 if (source_finished(getline, cookie))
930 {
931 retval = FAIL;
932 break;
933 }
934
935 /* If breakpoints have been added/deleted need to check for it. */
936 if (breakpoint != NULL && dbg_tick != NULL
937 && *dbg_tick != debug_tick)
938 {
939 *breakpoint = dbg_find_breakpoint(
940 getline_equal(getline, cookie, getsourceline),
941 fname, sourcing_lnum);
942 *dbg_tick = debug_tick;
943 }
944
945 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
946 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
947
948 /* Did we encounter a breakpoint? */
949 if (breakpoint != NULL && *breakpoint != 0
950 && *breakpoint <= sourcing_lnum)
951 {
952 dbg_breakpoint(fname, sourcing_lnum);
953 /* Find next breakpoint. */
954 *breakpoint = dbg_find_breakpoint(
955 getline_equal(getline, cookie, getsourceline),
956 fname, sourcing_lnum);
957 *dbg_tick = debug_tick;
958 }
959 # ifdef FEAT_PROFILE
960 if (do_profiling == PROF_YES)
961 {
962 if (getline_is_func)
963 func_line_start(real_cookie);
964 else if (getline_equal(getline, cookie, getsourceline))
965 script_line_start();
966 }
967 # endif
968 }
969
970 if (cstack.cs_looplevel > 0)
971 {
972 /* Inside a while/for loop we need to store the lines and use them
973 * again. Pass a different "getline" function to do_one_cmd()
974 * below, so that it stores lines in or reads them from
975 * "lines_ga". Makes it possible to define a function inside a
976 * while/for loop. */
977 cmd_getline = get_loop_line;
978 cmd_cookie = (void *)&cmd_loop_cookie;
979 cmd_loop_cookie.lines_gap = &lines_ga;
980 cmd_loop_cookie.current_line = current_line;
981 cmd_loop_cookie.getline = getline;
982 cmd_loop_cookie.cookie = cookie;
983 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
984 }
985 else
986 {
987 cmd_getline = getline;
988 cmd_cookie = cookie;
989 }
990 #endif
991
992 /* 2. If no line given, get an allocated line with getline(). */
993 if (next_cmdline == NULL)
994 {
995 /*
996 * Need to set msg_didout for the first line after an ":if",
997 * otherwise the ":if" will be overwritten.
998 */
999 if (count == 1 && getline_equal(getline, cookie, getexline))
1000 msg_didout = TRUE;
1001 if (getline == NULL || (next_cmdline = getline(':', cookie,
1002 #ifdef FEAT_EVAL
1003 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1004 #else
1005 0
1006 #endif
1007 )) == NULL)
1008 {
1009 /* Don't call wait_return for aborted command line. The NULL
1010 * returned for the end of a sourced file or executed function
1011 * doesn't do this. */
1012 if (KeyTyped && !(flags & DOCMD_REPEAT))
1013 need_wait_return = FALSE;
1014 retval = FAIL;
1015 break;
1016 }
1017 used_getline = TRUE;
1018
1019 /*
1020 * Keep the first typed line. Clear it when more lines are typed.
1021 */
1022 if (flags & DOCMD_KEEPLINE)
1023 {
1024 vim_free(repeat_cmdline);
1025 if (count == 0)
1026 repeat_cmdline = vim_strsave(next_cmdline);
1027 else
1028 repeat_cmdline = NULL;
1029 }
1030 }
1031
1032 /* 3. Make a copy of the command so we can mess with it. */
1033 else if (cmdline_copy == NULL)
1034 {
1035 next_cmdline = vim_strsave(next_cmdline);
1036 if (next_cmdline == NULL)
1037 {
1038 EMSG(_(e_outofmem));
1039 retval = FAIL;
1040 break;
1041 }
1042 }
1043 cmdline_copy = next_cmdline;
1044
1045 #ifdef FEAT_EVAL
1046 /*
1047 * Save the current line when inside a ":while" or ":for", and when
1048 * the command looks like a ":while" or ":for", because we may need it
1049 * later. When there is a '|' and another command, it is stored
1050 * separately, because we need to be able to jump back to it from an
1051 * :endwhile/:endfor.
1052 */
1053 if (current_line == lines_ga.ga_len
1054 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1055 {
1056 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1057 {
1058 retval = FAIL;
1059 break;
1060 }
1061 }
1062 did_endif = FALSE;
1063 #endif
1064
1065 if (count++ == 0)
1066 {
1067 /*
1068 * All output from the commands is put below each other, without
1069 * waiting for a return. Don't do this when executing commands
1070 * from a script or when being called recursive (e.g. for ":e
1071 * +command file").
1072 */
1073 if (!(flags & DOCMD_NOWAIT) && !recursive)
1074 {
1075 msg_didout_before_start = msg_didout;
1076 msg_didany = FALSE; /* no output yet */
1077 msg_start();
1078 msg_scroll = TRUE; /* put messages below each other */
1079 ++no_wait_return; /* dont wait for return until finished */
1080 ++RedrawingDisabled;
1081 did_inc = TRUE;
1082 }
1083 }
1084
1085 if (p_verbose >= 15 && sourcing_name != NULL)
1086 {
1087 ++no_wait_return;
1088 verbose_enter_scroll();
1089
1090 smsg((char_u *)_("line %ld: %s"),
1091 (long)sourcing_lnum, cmdline_copy);
1092 if (msg_silent == 0)
1093 msg_puts((char_u *)"\n"); /* don't overwrite this */
1094
1095 verbose_leave_scroll();
1096 --no_wait_return;
1097 }
1098
1099 /*
1100 * 2. Execute one '|' separated command.
1101 * do_one_cmd() will return NULL if there is no trailing '|'.
1102 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1103 */
1104 ++recursive;
1105 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1106 #ifdef FEAT_EVAL
1107 &cstack,
1108 #endif
1109 cmd_getline, cmd_cookie);
1110 --recursive;
1111
1112 #ifdef FEAT_EVAL
1113 if (cmd_cookie == (void *)&cmd_loop_cookie)
1114 /* Use "current_line" from "cmd_loop_cookie", it may have been
1115 * incremented when defining a function. */
1116 current_line = cmd_loop_cookie.current_line;
1117 #endif
1118
1119 if (next_cmdline == NULL)
1120 {
1121 vim_free(cmdline_copy);
1122 cmdline_copy = NULL;
1123 #ifdef FEAT_CMDHIST
1124 /*
1125 * If the command was typed, remember it for the ':' register.
1126 * Do this AFTER executing the command to make :@: work.
1127 */
1128 if (getline_equal(getline, cookie, getexline)
1129 && new_last_cmdline != NULL)
1130 {
1131 vim_free(last_cmdline);
1132 last_cmdline = new_last_cmdline;
1133 new_last_cmdline = NULL;
1134 }
1135 #endif
1136 }
1137 else
1138 {
1139 /* need to copy the command after the '|' to cmdline_copy, for the
1140 * next do_one_cmd() */
1141 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
1142 next_cmdline = cmdline_copy;
1143 }
1144
1145
1146 #ifdef FEAT_EVAL
1147 /* reset did_emsg for a function that is not aborted by an error */
1148 if (did_emsg && !force_abort
1149 && getline_equal(getline, cookie, get_func_line)
1150 && !func_has_abort(real_cookie))
1151 did_emsg = FALSE;
1152
1153 if (cstack.cs_looplevel > 0)
1154 {
1155 ++current_line;
1156
1157 /*
1158 * An ":endwhile", ":endfor" and ":continue" is handled here.
1159 * If we were executing commands, jump back to the ":while" or
1160 * ":for".
1161 * If we were not executing commands, decrement cs_looplevel.
1162 */
1163 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1164 {
1165 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1166
1167 /* Jump back to the matching ":while" or ":for". Be careful
1168 * not to use a cs_line[] from an entry that isn't a ":while"
1169 * or ":for": It would make "current_line" invalid and can
1170 * cause a crash. */
1171 if (!did_emsg && !got_int && !did_throw
1172 && cstack.cs_idx >= 0
1173 && (cstack.cs_flags[cstack.cs_idx]
1174 & (CSF_WHILE | CSF_FOR))
1175 && cstack.cs_line[cstack.cs_idx] >= 0
1176 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1177 {
1178 current_line = cstack.cs_line[cstack.cs_idx];
1179 /* remember we jumped there */
1180 cstack.cs_lflags |= CSL_HAD_LOOP;
1181 line_breakcheck(); /* check if CTRL-C typed */
1182
1183 /* Check for the next breakpoint at or after the ":while"
1184 * or ":for". */
1185 if (breakpoint != NULL)
1186 {
1187 *breakpoint = dbg_find_breakpoint(
1188 getline_equal(getline, cookie, getsourceline),
1189 fname,
1190 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1191 *dbg_tick = debug_tick;
1192 }
1193 }
1194 else
1195 {
1196 /* can only get here with ":endwhile" or ":endfor" */
1197 if (cstack.cs_idx >= 0)
1198 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1199 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1200 }
1201 }
1202
1203 /*
1204 * For a ":while" or ":for" we need to remember the line number.
1205 */
1206 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1207 {
1208 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1209 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1210 }
1211 }
1212
1213 /*
1214 * When not inside any ":while" loop, clear remembered lines.
1215 */
1216 if (cstack.cs_looplevel == 0)
1217 {
1218 if (lines_ga.ga_len > 0)
1219 {
1220 sourcing_lnum =
1221 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1222 free_cmdlines(&lines_ga);
1223 }
1224 current_line = 0;
1225 }
1226
1227 /*
1228 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1229 * being restored at the ":endtry". Reset them here and set the
1230 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1231 * This includes the case where a missing ":endif", ":endwhile" or
1232 * ":endfor" was detected by the ":finally" itself.
1233 */
1234 if (cstack.cs_lflags & CSL_HAD_FINA)
1235 {
1236 cstack.cs_lflags &= ~CSL_HAD_FINA;
1237 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1238 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1239 did_throw ? (void *)current_exception : NULL);
1240 did_emsg = got_int = did_throw = FALSE;
1241 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1242 }
1243
1244 /* Update global "trylevel" for recursive calls to do_cmdline() from
1245 * within this loop. */
1246 trylevel = initial_trylevel + cstack.cs_trylevel;
1247
1248 /*
1249 * If the outermost try conditional (across function calls and sourced
1250 * files) is aborted because of an error, an interrupt, or an uncaught
1251 * exception, cancel everything. If it is left normally, reset
1252 * force_abort to get the non-EH compatible abortion behavior for
1253 * the rest of the script.
1254 */
1255 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1256 force_abort = FALSE;
1257
1258 /* Convert an interrupt to an exception if appropriate. */
1259 (void)do_intthrow(&cstack);
1260 #endif /* FEAT_EVAL */
1261
1262 }
1263 /*
1264 * Continue executing command lines when:
1265 * - no CTRL-C typed, no aborting error, no exception thrown or try
1266 * conditionals need to be checked for executing finally clauses or
1267 * catching an interrupt exception
1268 * - didn't get an error message or lines are not typed
1269 * - there is a command after '|', inside a :if, :while, :for or :try, or
1270 * looping for ":source" command or function call.
1271 */
1272 while (!((got_int
1273 #ifdef FEAT_EVAL
1274 || (did_emsg && force_abort) || did_throw
1275 #endif
1276 )
1277 #ifdef FEAT_EVAL
1278 && cstack.cs_trylevel == 0
1279 #endif
1280 )
1281 && !(did_emsg && used_getline
1282 && (getline_equal(getline, cookie, getexmodeline)
1283 || getline_equal(getline, cookie, getexline)))
1284 && (next_cmdline != NULL
1285 #ifdef FEAT_EVAL
1286 || cstack.cs_idx >= 0
1287 #endif
1288 || (flags & DOCMD_REPEAT)));
1289
1290 vim_free(cmdline_copy);
1291 #ifdef FEAT_EVAL
1292 free_cmdlines(&lines_ga);
1293 ga_clear(&lines_ga);
1294
1295 if (cstack.cs_idx >= 0)
1296 {
1297 /*
1298 * If a sourced file or executed function ran to its end, report the
1299 * unclosed conditional.
1300 */
1301 if (!got_int && !did_throw
1302 && ((getline_equal(getline, cookie, getsourceline)
1303 && !source_finished(getline, cookie))
1304 || (getline_equal(getline, cookie, get_func_line)
1305 && !func_has_ended(real_cookie))))
1306 {
1307 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1308 EMSG(_(e_endtry));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1310 EMSG(_(e_endwhile));
1311 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1312 EMSG(_(e_endfor));
1313 else
1314 EMSG(_(e_endif));
1315 }
1316
1317 /*
1318 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1319 * ":endtry" in a sourced file or executed function. If the try
1320 * conditional is in its finally clause, ignore anything pending.
1321 * If it is in a catch clause, finish the caught exception.
1322 * Also cleanup any "cs_forinfo" structures.
1323 */
1324 do
1325 {
1326 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1327
1328 if (idx >= 0)
1329 --idx; /* remove try block not in its finally clause */
1330 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1331 &cstack.cs_looplevel);
1332 }
1333 while (cstack.cs_idx >= 0);
1334 trylevel = initial_trylevel;
1335 }
1336
1337 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1338 * lack was reported above and the error message is to be converted to an
1339 * exception, do this now after rewinding the cstack. */
1340 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1341 ? (char_u *)"endfunction" : (char_u *)NULL);
1342
1343 if (trylevel == 0)
1344 {
1345 /*
1346 * When an exception is being thrown out of the outermost try
1347 * conditional, discard the uncaught exception, disable the conversion
1348 * of interrupts or errors to exceptions, and ensure that no more
1349 * commands are executed.
1350 */
1351 if (did_throw)
1352 {
1353 void *p = NULL;
1354 char_u *saved_sourcing_name;
1355 int saved_sourcing_lnum;
1356 struct msglist *messages = NULL, *next;
1357
1358 /*
1359 * If the uncaught exception is a user exception, report it as an
1360 * error. If it is an error exception, display the saved error
1361 * message now. For an interrupt exception, do nothing; the
1362 * interrupt message is given elsewhere.
1363 */
1364 switch (current_exception->type)
1365 {
1366 case ET_USER:
1367 vim_snprintf((char *)IObuff, IOSIZE,
1368 _("E605: Exception not caught: %s"),
1369 current_exception->value);
1370 p = vim_strsave(IObuff);
1371 break;
1372 case ET_ERROR:
1373 messages = current_exception->messages;
1374 current_exception->messages = NULL;
1375 break;
1376 case ET_INTERRUPT:
1377 break;
1378 default:
1379 p = vim_strsave((char_u *)_(e_internal));
1380 }
1381
1382 saved_sourcing_name = sourcing_name;
1383 saved_sourcing_lnum = sourcing_lnum;
1384 sourcing_name = current_exception->throw_name;
1385 sourcing_lnum = current_exception->throw_lnum;
1386 current_exception->throw_name = NULL;
1387
1388 discard_current_exception(); /* uses IObuff if 'verbose' */
1389 suppress_errthrow = TRUE;
1390 force_abort = TRUE;
1391
1392 if (messages != NULL)
1393 {
1394 do
1395 {
1396 next = messages->next;
1397 emsg(messages->msg);
1398 vim_free(messages->msg);
1399 vim_free(messages);
1400 messages = next;
1401 }
1402 while (messages != NULL);
1403 }
1404 else if (p != NULL)
1405 {
1406 emsg(p);
1407 vim_free(p);
1408 }
1409 vim_free(sourcing_name);
1410 sourcing_name = saved_sourcing_name;
1411 sourcing_lnum = saved_sourcing_lnum;
1412 }
1413
1414 /*
1415 * On an interrupt or an aborting error not converted to an exception,
1416 * disable the conversion of errors to exceptions. (Interrupts are not
1417 * converted any more, here.) This enables also the interrupt message
1418 * when force_abort is set and did_emsg unset in case of an interrupt
1419 * from a finally clause after an error.
1420 */
1421 else if (got_int || (did_emsg && force_abort))
1422 suppress_errthrow = TRUE;
1423 }
1424
1425 /*
1426 * The current cstack will be freed when do_cmdline() returns. An uncaught
1427 * exception will have to be rethrown in the previous cstack. If a function
1428 * has just returned or a script file was just finished and the previous
1429 * cstack belongs to the same function or, respectively, script file, it
1430 * will have to be checked for finally clauses to be executed due to the
1431 * ":return" or ":finish". This is done in do_one_cmd().
1432 */
1433 if (did_throw)
1434 need_rethrow = TRUE;
1435 if ((getline_equal(getline, cookie, getsourceline)
1436 && ex_nesting_level > source_level(real_cookie))
1437 || (getline_equal(getline, cookie, get_func_line)
1438 && ex_nesting_level > func_level(real_cookie) + 1))
1439 {
1440 if (!did_throw)
1441 check_cstack = TRUE;
1442 }
1443 else
1444 {
1445 /* When leaving a function, reduce nesting level. */
1446 if (getline_equal(getline, cookie, get_func_line))
1447 --ex_nesting_level;
1448 /*
1449 * Go to debug mode when returning from a function in which we are
1450 * single-stepping.
1451 */
1452 if ((getline_equal(getline, cookie, getsourceline)
1453 || getline_equal(getline, cookie, get_func_line))
1454 && ex_nesting_level + 1 <= debug_break_level)
1455 do_debug(getline_equal(getline, cookie, getsourceline)
1456 ? (char_u *)_("End of sourced file")
1457 : (char_u *)_("End of function"));
1458 }
1459
1460 /*
1461 * Restore the exception environment (done after returning from the
1462 * debugger).
1463 */
1464 if (flags & DOCMD_EXCRESET)
1465 restore_dbg_stuff(&debug_saved);
1466
1467 msg_list = saved_msg_list;
1468 #endif /* FEAT_EVAL */
1469
1470 /*
1471 * If there was too much output to fit on the command line, ask the user to
1472 * hit return before redrawing the screen. With the ":global" command we do
1473 * this only once after the command is finished.
1474 */
1475 if (did_inc)
1476 {
1477 --RedrawingDisabled;
1478 --no_wait_return;
1479 msg_scroll = FALSE;
1480
1481 /*
1482 * When just finished an ":if"-":else" which was typed, no need to
1483 * wait for hit-return. Also for an error situation.
1484 */
1485 if (retval == FAIL
1486 #ifdef FEAT_EVAL
1487 || (did_endif && KeyTyped && !did_emsg)
1488 #endif
1489 )
1490 {
1491 need_wait_return = FALSE;
1492 msg_didany = FALSE; /* don't wait when restarting edit */
1493 }
1494 else if (need_wait_return)
1495 {
1496 /*
1497 * The msg_start() above clears msg_didout. The wait_return we do
1498 * here should not overwrite the command that may be shown before
1499 * doing that.
1500 */
1501 msg_didout |= msg_didout_before_start;
1502 wait_return(FALSE);
1503 }
1504 }
1505
1506 #ifndef FEAT_EVAL
1507 /*
1508 * Reset if_level, in case a sourced script file contains more ":if" than
1509 * ":endif" (could be ":if x | foo | endif").
1510 */
1511 if_level = 0;
1512 #endif
1513
1514 --call_depth;
1515 return retval;
1516 }
1517
1518 #ifdef FEAT_EVAL
1519 /*
1520 * Obtain a line when inside a ":while" or ":for" loop.
1521 */
1522 static char_u *
1523 get_loop_line(c, cookie, indent)
1524 int c;
1525 void *cookie;
1526 int indent;
1527 {
1528 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1529 wcmd_T *wp;
1530 char_u *line;
1531
1532 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1533 {
1534 if (cp->repeating)
1535 return NULL; /* trying to read past ":endwhile"/":endfor" */
1536
1537 /* First time inside the ":while"/":for": get line normally. */
1538 if (cp->getline == NULL)
1539 line = getcmdline(c, 0L, indent);
1540 else
1541 line = cp->getline(c, cp->cookie, indent);
1542 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1543 ++cp->current_line;
1544
1545 return line;
1546 }
1547
1548 KeyTyped = FALSE;
1549 ++cp->current_line;
1550 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1551 sourcing_lnum = wp->lnum;
1552 return vim_strsave(wp->line);
1553 }
1554
1555 /*
1556 * Store a line in "gap" so that a ":while" loop can execute it again.
1557 */
1558 static int
1559 store_loop_line(gap, line)
1560 garray_T *gap;
1561 char_u *line;
1562 {
1563 if (ga_grow(gap, 1) == FAIL)
1564 return FAIL;
1565 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1566 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1567 ++gap->ga_len;
1568 return OK;
1569 }
1570
1571 /*
1572 * Free the lines stored for a ":while" or ":for" loop.
1573 */
1574 static void
1575 free_cmdlines(gap)
1576 garray_T *gap;
1577 {
1578 while (gap->ga_len > 0)
1579 {
1580 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1581 --gap->ga_len;
1582 }
1583 }
1584 #endif
1585
1586 /*
1587 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1588 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1589 */
1590 /*ARGSUSED*/
1591 int
1592 getline_equal(fgetline, cookie, func)
1593 char_u *(*fgetline) __ARGS((int, void *, int));
1594 void *cookie; /* argument for fgetline() */
1595 char_u *(*func) __ARGS((int, void *, int));
1596 {
1597 #ifdef FEAT_EVAL
1598 char_u *(*gp) __ARGS((int, void *, int));
1599 struct loop_cookie *cp;
1600
1601 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1602 * function that's originally used to obtain the lines. This may be
1603 * nested several levels. */
1604 gp = fgetline;
1605 cp = (struct loop_cookie *)cookie;
1606 while (gp == get_loop_line)
1607 {
1608 gp = cp->getline;
1609 cp = cp->cookie;
1610 }
1611 return gp == func;
1612 #else
1613 return fgetline == func;
1614 #endif
1615 }
1616
1617 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1618 /*
1619 * If "fgetline" is get_loop_line(), return the cookie used by the original
1620 * getline function. Otherwise return "cookie".
1621 */
1622 /*ARGSUSED*/
1623 void *
1624 getline_cookie(fgetline, cookie)
1625 char_u *(*fgetline) __ARGS((int, void *, int));
1626 void *cookie; /* argument for fgetline() */
1627 {
1628 # ifdef FEAT_EVAL
1629 char_u *(*gp) __ARGS((int, void *, int));
1630 struct loop_cookie *cp;
1631
1632 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1633 * cookie that's originally used to obtain the lines. This may be nested
1634 * several levels. */
1635 gp = fgetline;
1636 cp = (struct loop_cookie *)cookie;
1637 while (gp == get_loop_line)
1638 {
1639 gp = cp->getline;
1640 cp = cp->cookie;
1641 }
1642 return cp;
1643 # else
1644 return cookie;
1645 # endif
1646 }
1647 #endif
1648
1649 /*
1650 * Execute one Ex command.
1651 *
1652 * If 'sourcing' is TRUE, the command will be included in the error message.
1653 *
1654 * 1. skip comment lines and leading space
1655 * 2. handle command modifiers
1656 * 3. parse range
1657 * 4. parse command
1658 * 5. parse arguments
1659 * 6. switch on command name
1660 *
1661 * Note: "fgetline" can be NULL.
1662 *
1663 * This function may be called recursively!
1664 */
1665 #if (_MSC_VER == 1200)
1666 /*
1667 * Avoid optimisation bug in VC++ version 6.0
1668 */
1669 #pragma optimize( "g", off )
1670 #endif
1671 static char_u *
1672 do_one_cmd(cmdlinep, sourcing,
1673 #ifdef FEAT_EVAL
1674 cstack,
1675 #endif
1676 fgetline, cookie)
1677 char_u **cmdlinep;
1678 int sourcing;
1679 #ifdef FEAT_EVAL
1680 struct condstack *cstack;
1681 #endif
1682 char_u *(*fgetline) __ARGS((int, void *, int));
1683 void *cookie; /* argument for fgetline() */
1684 {
1685 char_u *p;
1686 linenr_T lnum;
1687 long n;
1688 char_u *errormsg = NULL; /* error message */
1689 exarg_T ea; /* Ex command arguments */
1690 long verbose_save = -1;
1691 int save_msg_scroll = 0;
1692 int did_silent = 0;
1693 int did_esilent = 0;
1694 #ifdef HAVE_SANDBOX
1695 int did_sandbox = FALSE;
1696 #endif
1697 cmdmod_T save_cmdmod;
1698 int ni; /* set when Not Implemented */
1699
1700 vim_memset(&ea, 0, sizeof(ea));
1701 ea.line1 = 1;
1702 ea.line2 = 1;
1703 #ifdef FEAT_EVAL
1704 ++ex_nesting_level;
1705 #endif
1706
1707 /* when not editing the last file :q has to be typed twice */
1708 if (quitmore
1709 #ifdef FEAT_EVAL
1710 /* avoid that a function call in 'statusline' does this */
1711 && !getline_equal(fgetline, cookie, get_func_line)
1712 #endif
1713 )
1714 --quitmore;
1715
1716 /*
1717 * Reset browse, confirm, etc.. They are restored when returning, for
1718 * recursive calls.
1719 */
1720 save_cmdmod = cmdmod;
1721 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1722
1723 /* "#!anything" is handled like a comment. */
1724 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1725 goto doend;
1726
1727 /*
1728 * Repeat until no more command modifiers are found.
1729 */
1730 ea.cmd = *cmdlinep;
1731 for (;;)
1732 {
1733 /*
1734 * 1. skip comment lines and leading white space and colons
1735 */
1736 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1737 ++ea.cmd;
1738
1739 /* in ex mode, an empty line works like :+ */
1740 if (*ea.cmd == NUL && exmode_active
1741 && (getline_equal(fgetline, cookie, getexmodeline)
1742 || getline_equal(fgetline, cookie, getexline))
1743 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1744 {
1745 ea.cmd = (char_u *)"+";
1746 ex_pressedreturn = TRUE;
1747 }
1748
1749 /* ignore comment and empty lines */
1750 if (*ea.cmd == '"')
1751 goto doend;
1752 if (*ea.cmd == NUL)
1753 {
1754 ex_pressedreturn = TRUE;
1755 goto doend;
1756 }
1757
1758 /*
1759 * 2. handle command modifiers.
1760 */
1761 p = ea.cmd;
1762 if (VIM_ISDIGIT(*ea.cmd))
1763 p = skipwhite(skipdigits(ea.cmd));
1764 switch (*p)
1765 {
1766 /* When adding an entry, also modify cmd_exists(). */
1767 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1768 break;
1769 #ifdef FEAT_WINDOWS
1770 cmdmod.split |= WSP_ABOVE;
1771 #endif
1772 continue;
1773
1774 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1775 {
1776 #ifdef FEAT_WINDOWS
1777 cmdmod.split |= WSP_BELOW;
1778 #endif
1779 continue;
1780 }
1781 if (checkforcmd(&ea.cmd, "browse", 3))
1782 {
1783 #ifdef FEAT_BROWSE
1784 cmdmod.browse = TRUE;
1785 #endif
1786 continue;
1787 }
1788 if (!checkforcmd(&ea.cmd, "botright", 2))
1789 break;
1790 #ifdef FEAT_WINDOWS
1791 cmdmod.split |= WSP_BOT;
1792 #endif
1793 continue;
1794
1795 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1796 break;
1797 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1798 cmdmod.confirm = TRUE;
1799 #endif
1800 continue;
1801
1802 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1803 {
1804 cmdmod.keepmarks = TRUE;
1805 continue;
1806 }
1807 if (checkforcmd(&ea.cmd, "keepalt", 5))
1808 {
1809 cmdmod.keepalt = TRUE;
1810 continue;
1811 }
1812 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1813 break;
1814 cmdmod.keepjumps = TRUE;
1815 continue;
1816
1817 /* ":hide" and ":hide | cmd" are not modifiers */
1818 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1819 || *p == NUL || ends_excmd(*p))
1820 break;
1821 ea.cmd = p;
1822 cmdmod.hide = TRUE;
1823 continue;
1824
1825 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1826 {
1827 cmdmod.lockmarks = TRUE;
1828 continue;
1829 }
1830
1831 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1832 break;
1833 #ifdef FEAT_WINDOWS
1834 cmdmod.split |= WSP_ABOVE;
1835 #endif
1836 continue;
1837
1838 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1839 break;
1840 #ifdef FEAT_AUTOCMD
1841 if (cmdmod.save_ei == NULL)
1842 {
1843 /* Set 'eventignore' to "all". Restore the
1844 * existing option value later. */
1845 cmdmod.save_ei = vim_strsave(p_ei);
1846 set_string_option_direct((char_u *)"ei", -1,
1847 (char_u *)"all", OPT_FREE, SID_NONE);
1848 }
1849 #endif
1850 continue;
1851
1852 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1853 break;
1854 #ifdef FEAT_WINDOWS
1855 cmdmod.split |= WSP_BELOW;
1856 #endif
1857 continue;
1858
1859 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1860 {
1861 #ifdef HAVE_SANDBOX
1862 if (!did_sandbox)
1863 ++sandbox;
1864 did_sandbox = TRUE;
1865 #endif
1866 continue;
1867 }
1868 if (!checkforcmd(&ea.cmd, "silent", 3))
1869 break;
1870 ++did_silent;
1871 ++msg_silent;
1872 save_msg_scroll = msg_scroll;
1873 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1874 {
1875 /* ":silent!", but not "silent !cmd" */
1876 ea.cmd = skipwhite(ea.cmd + 1);
1877 ++emsg_silent;
1878 ++did_esilent;
1879 }
1880 continue;
1881
1882 case 't': if (checkforcmd(&p, "tab", 3))
1883 {
1884 #ifdef FEAT_WINDOWS
1885 if (vim_isdigit(*ea.cmd))
1886 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1887 else
1888 cmdmod.tab = tabpage_index(curtab) + 1;
1889 ea.cmd = p;
1890 #endif
1891 continue;
1892 }
1893 if (!checkforcmd(&ea.cmd, "topleft", 2))
1894 break;
1895 #ifdef FEAT_WINDOWS
1896 cmdmod.split |= WSP_TOP;
1897 #endif
1898 continue;
1899
1900 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1901 {
1902 #ifdef FEAT_VERTSPLIT
1903 cmdmod.split |= WSP_VERT;
1904 #endif
1905 continue;
1906 }
1907 if (!checkforcmd(&p, "verbose", 4))
1908 break;
1909 if (verbose_save < 0)
1910 verbose_save = p_verbose;
1911 if (vim_isdigit(*ea.cmd))
1912 p_verbose = atoi((char *)ea.cmd);
1913 else
1914 p_verbose = 1;
1915 ea.cmd = p;
1916 continue;
1917 }
1918 break;
1919 }
1920
1921 #ifdef FEAT_EVAL
1922 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1923 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1924 #else
1925 ea.skip = (if_level > 0);
1926 #endif
1927
1928 #ifdef FEAT_EVAL
1929 # ifdef FEAT_PROFILE
1930 /* Count this line for profiling if ea.skip is FALSE. */
1931 if (do_profiling == PROF_YES && !ea.skip)
1932 {
1933 if (getline_equal(fgetline, cookie, get_func_line))
1934 func_line_exec(getline_cookie(fgetline, cookie));
1935 else if (getline_equal(fgetline, cookie, getsourceline))
1936 script_line_exec();
1937 }
1938 #endif
1939
1940 /* May go to debug mode. If this happens and the ">quit" debug command is
1941 * used, throw an interrupt exception and skip the next command. */
1942 dbg_check_breakpoint(&ea);
1943 if (!ea.skip && got_int)
1944 {
1945 ea.skip = TRUE;
1946 (void)do_intthrow(cstack);
1947 }
1948 #endif
1949
1950 /*
1951 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1952 *
1953 * where 'addr' is:
1954 *
1955 * % (entire file)
1956 * $ [+-NUM]
1957 * 'x [+-NUM] (where x denotes a currently defined mark)
1958 * . [+-NUM]
1959 * [+-NUM]..
1960 * NUM
1961 *
1962 * The ea.cmd pointer is updated to point to the first character following the
1963 * range spec. If an initial address is found, but no second, the upper bound
1964 * is equal to the lower.
1965 */
1966
1967 /* repeat for all ',' or ';' separated addresses */
1968 for (;;)
1969 {
1970 ea.line1 = ea.line2;
1971 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1972 ea.cmd = skipwhite(ea.cmd);
1973 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1974 if (ea.cmd == NULL) /* error detected */
1975 goto doend;
1976 if (lnum == MAXLNUM)
1977 {
1978 if (*ea.cmd == '%') /* '%' - all lines */
1979 {
1980 ++ea.cmd;
1981 ea.line1 = 1;
1982 ea.line2 = curbuf->b_ml.ml_line_count;
1983 ++ea.addr_count;
1984 }
1985 /* '*' - visual area */
1986 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1987 {
1988 pos_T *fp;
1989
1990 ++ea.cmd;
1991 if (!ea.skip)
1992 {
1993 fp = getmark('<', FALSE);
1994 if (check_mark(fp) == FAIL)
1995 goto doend;
1996 ea.line1 = fp->lnum;
1997 fp = getmark('>', FALSE);
1998 if (check_mark(fp) == FAIL)
1999 goto doend;
2000 ea.line2 = fp->lnum;
2001 ++ea.addr_count;
2002 }
2003 }
2004 }
2005 else
2006 ea.line2 = lnum;
2007 ea.addr_count++;
2008
2009 if (*ea.cmd == ';')
2010 {
2011 if (!ea.skip)
2012 curwin->w_cursor.lnum = ea.line2;
2013 }
2014 else if (*ea.cmd != ',')
2015 break;
2016 ++ea.cmd;
2017 }
2018
2019 /* One address given: set start and end lines */
2020 if (ea.addr_count == 1)
2021 {
2022 ea.line1 = ea.line2;
2023 /* ... but only implicit: really no address given */
2024 if (lnum == MAXLNUM)
2025 ea.addr_count = 0;
2026 }
2027
2028 /* Don't leave the cursor on an illegal line (caused by ';') */
2029 check_cursor_lnum();
2030
2031 /*
2032 * 4. parse command
2033 */
2034
2035 /*
2036 * Skip ':' and any white space
2037 */
2038 ea.cmd = skipwhite(ea.cmd);
2039 while (*ea.cmd == ':')
2040 ea.cmd = skipwhite(ea.cmd + 1);
2041
2042 /*
2043 * If we got a line, but no command, then go to the line.
2044 * If we find a '|' or '\n' we set ea.nextcmd.
2045 */
2046 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2047 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2048 {
2049 /*
2050 * strange vi behaviour:
2051 * ":3" jumps to line 3
2052 * ":3|..." prints line 3
2053 * ":|" prints current line
2054 */
2055 if (ea.skip) /* skip this if inside :if */
2056 goto doend;
2057 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2058 {
2059 ea.cmdidx = CMD_print;
2060 ea.argt = RANGE+COUNT+TRLBAR;
2061 if ((errormsg = invalid_range(&ea)) == NULL)
2062 {
2063 correct_range(&ea);
2064 ex_print(&ea);
2065 }
2066 }
2067 else if (ea.addr_count != 0)
2068 {
2069 if (ea.line2 > curbuf->b_ml.ml_line_count)
2070 {
2071 /* With '-' in 'cpoptions' a line number past the file is an
2072 * error, otherwise put it at the end of the file. */
2073 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2074 ea.line2 = -1;
2075 else
2076 ea.line2 = curbuf->b_ml.ml_line_count;
2077 }
2078
2079 if (ea.line2 < 0)
2080 errormsg = (char_u *)_(e_invrange);
2081 else
2082 {
2083 if (ea.line2 == 0)
2084 curwin->w_cursor.lnum = 1;
2085 else
2086 curwin->w_cursor.lnum = ea.line2;
2087 beginline(BL_SOL | BL_FIX);
2088 }
2089 }
2090 goto doend;
2091 }
2092
2093 /* Find the command and let "p" point to after it. */
2094 p = find_command(&ea, NULL);
2095
2096 #ifdef FEAT_USR_CMDS
2097 if (p == NULL)
2098 {
2099 if (!ea.skip)
2100 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2101 goto doend;
2102 }
2103 /* Check for wrong commands. */
2104 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2105 {
2106 errormsg = uc_fun_cmd();
2107 goto doend;
2108 }
2109 #endif
2110 if (ea.cmdidx == CMD_SIZE)
2111 {
2112 if (!ea.skip)
2113 {
2114 STRCPY(IObuff, _("E492: Not an editor command"));
2115 if (!sourcing)
2116 {
2117 STRCAT(IObuff, ": ");
2118 STRNCAT(IObuff, *cmdlinep, 40);
2119 }
2120 errormsg = IObuff;
2121 }
2122 goto doend;
2123 }
2124
2125 ni = (
2126 #ifdef FEAT_USR_CMDS
2127 !USER_CMDIDX(ea.cmdidx) &&
2128 #endif
2129 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2130 #ifdef HAVE_EX_SCRIPT_NI
2131 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2132 #endif
2133 ));
2134
2135 #ifndef FEAT_EVAL
2136 /*
2137 * When the expression evaluation is disabled, recognize the ":if" and
2138 * ":endif" commands and ignore everything in between it.
2139 */
2140 if (ea.cmdidx == CMD_if)
2141 ++if_level;
2142 if (if_level)
2143 {
2144 if (ea.cmdidx == CMD_endif)
2145 --if_level;
2146 goto doend;
2147 }
2148
2149 #endif
2150
2151 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
2152 {
2153 ++p;
2154 ea.forceit = TRUE;
2155 }
2156 else
2157 ea.forceit = FALSE;
2158
2159 /*
2160 * 5. parse arguments
2161 */
2162 #ifdef FEAT_USR_CMDS
2163 if (!USER_CMDIDX(ea.cmdidx))
2164 #endif
2165 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2166
2167 if (!ea.skip)
2168 {
2169 #ifdef HAVE_SANDBOX
2170 if (sandbox != 0 && !(ea.argt & SBOXOK))
2171 {
2172 /* Command not allowed in sandbox. */
2173 errormsg = (char_u *)_(e_sandbox);
2174 goto doend;
2175 }
2176 #endif
2177 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2178 {
2179 /* Command not allowed in non-'modifiable' buffer */
2180 errormsg = (char_u *)_(e_modifiable);
2181 goto doend;
2182 }
2183
2184 if (text_locked() && !(ea.argt & CMDWIN)
2185 # ifdef FEAT_USR_CMDS
2186 && !USER_CMDIDX(ea.cmdidx)
2187 # endif
2188 )
2189 {
2190 /* Command not allowed when editing the command line. */
2191 #ifdef FEAT_CMDWIN
2192 if (cmdwin_type != 0)
2193 errormsg = (char_u *)_(e_cmdwin);
2194 else
2195 #endif
2196 errormsg = (char_u *)_(e_secure);
2197 goto doend;
2198 }
2199 #ifdef FEAT_AUTOCMD
2200 /* Disallow editing another buffer when "curbuf_lock" is set.
2201 * Do allow ":edit" (check for argument later).
2202 * Do allow ":checktime" (it's postponed). */
2203 if (!(ea.argt & CMDWIN)
2204 && ea.cmdidx != CMD_edit
2205 && ea.cmdidx != CMD_checktime
2206 # ifdef FEAT_USR_CMDS
2207 && !USER_CMDIDX(ea.cmdidx)
2208 # endif
2209 && curbuf_locked())
2210 goto doend;
2211 #endif
2212
2213 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2214 {
2215 /* no range allowed */
2216 errormsg = (char_u *)_(e_norange);
2217 goto doend;
2218 }
2219 }
2220
2221 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2222 {
2223 errormsg = (char_u *)_(e_nobang);
2224 goto doend;
2225 }
2226
2227 /*
2228 * Don't complain about the range if it is not used
2229 * (could happen if line_count is accidentally set to 0).
2230 */
2231 if (!ea.skip && !ni)
2232 {
2233 /*
2234 * If the range is backwards, ask for confirmation and, if given, swap
2235 * ea.line1 & ea.line2 so it's forwards again.
2236 * When global command is busy, don't ask, will fail below.
2237 */
2238 if (!global_busy && ea.line1 > ea.line2)
2239 {
2240 if (msg_silent == 0)
2241 {
2242 if (sourcing || exmode_active)
2243 {
2244 errormsg = (char_u *)_("E493: Backwards range given");
2245 goto doend;
2246 }
2247 if (ask_yesno((char_u *)
2248 _("Backwards range given, OK to swap"), FALSE) != 'y')
2249 goto doend;
2250 }
2251 lnum = ea.line1;
2252 ea.line1 = ea.line2;
2253 ea.line2 = lnum;
2254 }
2255 if ((errormsg = invalid_range(&ea)) != NULL)
2256 goto doend;
2257 }
2258
2259 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2260 ea.line2 = 1;
2261
2262 correct_range(&ea);
2263
2264 #ifdef FEAT_FOLDING
2265 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2266 {
2267 /* Put the first line at the start of a closed fold, put the last line
2268 * at the end of a closed fold. */
2269 (void)hasFolding(ea.line1, &ea.line1, NULL);
2270 (void)hasFolding(ea.line2, NULL, &ea.line2);
2271 }
2272 #endif
2273
2274 #ifdef FEAT_QUICKFIX
2275 /*
2276 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2277 * option here, so things like % get expanded.
2278 */
2279 p = replace_makeprg(&ea, p, cmdlinep);
2280 if (p == NULL)
2281 goto doend;
2282 #endif
2283
2284 /*
2285 * Skip to start of argument.
2286 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2287 */
2288 if (ea.cmdidx == CMD_bang)
2289 ea.arg = p;
2290 else
2291 ea.arg = skipwhite(p);
2292
2293 /*
2294 * Check for "++opt=val" argument.
2295 * Must be first, allow ":w ++enc=utf8 !cmd"
2296 */
2297 if (ea.argt & ARGOPT)
2298 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2299 if (getargopt(&ea) == FAIL && !ni)
2300 {
2301 errormsg = (char_u *)_(e_invarg);
2302 goto doend;
2303 }
2304
2305 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2306 {
2307 if (*ea.arg == '>') /* append */
2308 {
2309 if (*++ea.arg != '>') /* typed wrong */
2310 {
2311 errormsg = (char_u *)_("E494: Use w or w>>");
2312 goto doend;
2313 }
2314 ea.arg = skipwhite(ea.arg + 1);
2315 ea.append = TRUE;
2316 }
2317 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2318 {
2319 ++ea.arg;
2320 ea.usefilter = TRUE;
2321 }
2322 }
2323
2324 if (ea.cmdidx == CMD_read)
2325 {
2326 if (ea.forceit)
2327 {
2328 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2329 ea.forceit = FALSE;
2330 }
2331 else if (*ea.arg == '!') /* :r !filter */
2332 {
2333 ++ea.arg;
2334 ea.usefilter = TRUE;
2335 }
2336 }
2337
2338 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2339 {
2340 ea.amount = 1;
2341 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2342 {
2343 ++ea.arg;
2344 ++ea.amount;
2345 }
2346 ea.arg = skipwhite(ea.arg);
2347 }
2348
2349 /*
2350 * Check for "+command" argument, before checking for next command.
2351 * Don't do this for ":read !cmd" and ":write !cmd".
2352 */
2353 if ((ea.argt & EDITCMD) && !ea.usefilter)
2354 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2355
2356 /*
2357 * Check for '|' to separate commands and '"' to start comments.
2358 * Don't do this for ":read !cmd" and ":write !cmd".
2359 */
2360 if ((ea.argt & TRLBAR) && !ea.usefilter)
2361 separate_nextcmd(&ea);
2362
2363 /*
2364 * Check for <newline> to end a shell command.
2365 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2366 * Any others?
2367 */
2368 else if (ea.cmdidx == CMD_bang
2369 || ea.cmdidx == CMD_global
2370 || ea.cmdidx == CMD_vglobal
2371 || ea.usefilter)
2372 {
2373 for (p = ea.arg; *p; ++p)
2374 {
2375 /* Remove one backslash before a newline, so that it's possible to
2376 * pass a newline to the shell and also a newline that is preceded
2377 * with a backslash. This makes it impossible to end a shell
2378 * command in a backslash, but that doesn't appear useful.
2379 * Halving the number of backslashes is incompatible with previous
2380 * versions. */
2381 if (*p == '\\' && p[1] == '\n')
2382 mch_memmove(p, p + 1, STRLEN(p));
2383 else if (*p == '\n')
2384 {
2385 ea.nextcmd = p + 1;
2386 *p = NUL;
2387 break;
2388 }
2389 }
2390 }
2391
2392 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2393 {
2394 ea.line1 = 1;
2395 ea.line2 = curbuf->b_ml.ml_line_count;
2396 }
2397
2398 /* accept numbered register only when no count allowed (:put) */
2399 if ( (ea.argt & REGSTR)
2400 && *ea.arg != NUL
2401 #ifdef FEAT_USR_CMDS
2402 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2403 && USER_CMDIDX(ea.cmdidx)))
2404 /* Do not allow register = for user commands */
2405 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2406 #else
2407 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2408 #endif
2409 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2410 {
2411 ea.regname = *ea.arg++;
2412 #ifdef FEAT_EVAL
2413 /* for '=' register: accept the rest of the line as an expression */
2414 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2415 {
2416 set_expr_line(vim_strsave(ea.arg));
2417 ea.arg += STRLEN(ea.arg);
2418 }
2419 #endif
2420 ea.arg = skipwhite(ea.arg);
2421 }
2422
2423 /*
2424 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2425 * count, it's a buffer name.
2426 */
2427 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2428 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2429 || vim_iswhite(*p)))
2430 {
2431 n = getdigits(&ea.arg);
2432 ea.arg = skipwhite(ea.arg);
2433 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2434 {
2435 errormsg = (char_u *)_(e_zerocount);
2436 goto doend;
2437 }
2438 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2439 {
2440 ea.line2 = n;
2441 if (ea.addr_count == 0)
2442 ea.addr_count = 1;
2443 }
2444 else
2445 {
2446 ea.line1 = ea.line2;
2447 ea.line2 += n - 1;
2448 ++ea.addr_count;
2449 /*
2450 * Be vi compatible: no error message for out of range.
2451 */
2452 if (ea.line2 > curbuf->b_ml.ml_line_count)
2453 ea.line2 = curbuf->b_ml.ml_line_count;
2454 }
2455 }
2456
2457 /*
2458 * Check for flags: 'l', 'p' and '#'.
2459 */
2460 if (ea.argt & EXFLAGS)
2461 get_flags(&ea);
2462 /* no arguments allowed */
2463 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2464 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2465 {
2466 errormsg = (char_u *)_(e_trailing);
2467 goto doend;
2468 }
2469
2470 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2471 {
2472 errormsg = (char_u *)_(e_argreq);
2473 goto doend;
2474 }
2475
2476 #ifdef FEAT_EVAL
2477 /*
2478 * Skip the command when it's not going to be executed.
2479 * The commands like :if, :endif, etc. always need to be executed.
2480 * Also make an exception for commands that handle a trailing command
2481 * themselves.
2482 */
2483 if (ea.skip)
2484 {
2485 switch (ea.cmdidx)
2486 {
2487 /* commands that need evaluation */
2488 case CMD_while:
2489 case CMD_endwhile:
2490 case CMD_for:
2491 case CMD_endfor:
2492 case CMD_if:
2493 case CMD_elseif:
2494 case CMD_else:
2495 case CMD_endif:
2496 case CMD_try:
2497 case CMD_catch:
2498 case CMD_finally:
2499 case CMD_endtry:
2500 case CMD_function:
2501 break;
2502
2503 /* Commands that handle '|' themselves. Check: A command should
2504 * either have the TRLBAR flag, appear in this list or appear in
2505 * the list at ":help :bar". */
2506 case CMD_aboveleft:
2507 case CMD_and:
2508 case CMD_belowright:
2509 case CMD_botright:
2510 case CMD_browse:
2511 case CMD_call:
2512 case CMD_confirm:
2513 case CMD_delfunction:
2514 case CMD_djump:
2515 case CMD_dlist:
2516 case CMD_dsearch:
2517 case CMD_dsplit:
2518 case CMD_echo:
2519 case CMD_echoerr:
2520 case CMD_echomsg:
2521 case CMD_echon:
2522 case CMD_execute:
2523 case CMD_help:
2524 case CMD_hide:
2525 case CMD_ijump:
2526 case CMD_ilist:
2527 case CMD_isearch:
2528 case CMD_isplit:
2529 case CMD_keepalt:
2530 case CMD_keepjumps:
2531 case CMD_keepmarks:
2532 case CMD_leftabove:
2533 case CMD_let:
2534 case CMD_lockmarks:
2535 case CMD_match:
2536 case CMD_mzscheme:
2537 case CMD_perl:
2538 case CMD_psearch:
2539 case CMD_python:
2540 case CMD_return:
2541 case CMD_rightbelow:
2542 case CMD_ruby:
2543 case CMD_silent:
2544 case CMD_smagic:
2545 case CMD_snomagic:
2546 case CMD_substitute:
2547 case CMD_syntax:
2548 case CMD_tab:
2549 case CMD_tcl:
2550 case CMD_throw:
2551 case CMD_tilde:
2552 case CMD_topleft:
2553 case CMD_unlet:
2554 case CMD_verbose:
2555 case CMD_vertical:
2556 break;
2557
2558 default: goto doend;
2559 }
2560 }
2561 #endif
2562
2563 if (ea.argt & XFILE)
2564 {
2565 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2566 goto doend;
2567 }
2568
2569 #ifdef FEAT_LISTCMDS
2570 /*
2571 * Accept buffer name. Cannot be used at the same time with a buffer
2572 * number. Don't do this for a user command.
2573 */
2574 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2575 # ifdef FEAT_USR_CMDS
2576 && !USER_CMDIDX(ea.cmdidx)
2577 # endif
2578 )
2579 {
2580 /*
2581 * :bdelete, :bwipeout and :bunload take several arguments, separated
2582 * by spaces: find next space (skipping over escaped characters).
2583 * The others take one argument: ignore trailing spaces.
2584 */
2585 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2586 || ea.cmdidx == CMD_bunload)
2587 p = skiptowhite_esc(ea.arg);
2588 else
2589 {
2590 p = ea.arg + STRLEN(ea.arg);
2591 while (p > ea.arg && vim_iswhite(p[-1]))
2592 --p;
2593 }
2594 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2595 if (ea.line2 < 0) /* failed */
2596 goto doend;
2597 ea.addr_count = 1;
2598 ea.arg = skipwhite(p);
2599 }
2600 #endif
2601
2602 /*
2603 * 6. switch on command name
2604 *
2605 * The "ea" structure holds the arguments that can be used.
2606 */
2607 ea.cmdlinep = cmdlinep;
2608 ea.getline = fgetline;
2609 ea.cookie = cookie;
2610 #ifdef FEAT_EVAL
2611 ea.cstack = cstack;
2612 #endif
2613
2614 #ifdef FEAT_USR_CMDS
2615 if (USER_CMDIDX(ea.cmdidx))
2616 {
2617 /*
2618 * Execute a user-defined command.
2619 */
2620 do_ucmd(&ea);
2621 }
2622 else
2623 #endif
2624 {
2625 /*
2626 * Call the function to execute the command.
2627 */
2628 ea.errmsg = NULL;
2629 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2630 if (ea.errmsg != NULL)
2631 errormsg = (char_u *)_(ea.errmsg);
2632 }
2633
2634 #ifdef FEAT_EVAL
2635 /*
2636 * If the command just executed called do_cmdline(), any throw or ":return"
2637 * or ":finish" encountered there must also check the cstack of the still
2638 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2639 * exception, or reanimate a returned function or finished script file and
2640 * return or finish it again.
2641 */
2642 if (need_rethrow)
2643 do_throw(cstack);
2644 else if (check_cstack)
2645 {
2646 if (source_finished(fgetline, cookie))
2647 do_finish(&ea, TRUE);
2648 else if (getline_equal(fgetline, cookie, get_func_line)
2649 && current_func_returned())
2650 do_return(&ea, TRUE, FALSE, NULL);
2651 }
2652 need_rethrow = check_cstack = FALSE;
2653 #endif
2654
2655 doend:
2656 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2657 curwin->w_cursor.lnum = 1;
2658
2659 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2660 {
2661 if (sourcing)
2662 {
2663 if (errormsg != IObuff)
2664 {
2665 STRCPY(IObuff, errormsg);
2666 errormsg = IObuff;
2667 }
2668 STRCAT(errormsg, ": ");
2669 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2670 }
2671 emsg(errormsg);
2672 }
2673 #ifdef FEAT_EVAL
2674 do_errthrow(cstack,
2675 (ea.cmdidx != CMD_SIZE
2676 # ifdef FEAT_USR_CMDS
2677 && !USER_CMDIDX(ea.cmdidx)
2678 # endif
2679 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2680 #endif
2681
2682 if (verbose_save >= 0)
2683 p_verbose = verbose_save;
2684 #ifdef FEAT_AUTOCMD
2685 if (cmdmod.save_ei != NULL)
2686 {
2687 /* Restore 'eventignore' to the value before ":noautocmd". */
2688 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2689 OPT_FREE, SID_NONE);
2690 free_string_option(cmdmod.save_ei);
2691 }
2692 #endif
2693
2694 cmdmod = save_cmdmod;
2695
2696 if (did_silent > 0)
2697 {
2698 /* messages could be enabled for a serious error, need to check if the
2699 * counters don't become negative */
2700 msg_silent -= did_silent;
2701 if (msg_silent < 0)
2702 msg_silent = 0;
2703 emsg_silent -= did_esilent;
2704 if (emsg_silent < 0)
2705 emsg_silent = 0;
2706 /* Restore msg_scroll, it's set by file I/O commands, even when no
2707 * message is actually displayed. */
2708 msg_scroll = save_msg_scroll;
2709 }
2710
2711 #ifdef HAVE_SANDBOX
2712 if (did_sandbox)
2713 --sandbox;
2714 #endif
2715
2716 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2717 ea.nextcmd = NULL;
2718
2719 #ifdef FEAT_EVAL
2720 --ex_nesting_level;
2721 #endif
2722
2723 return ea.nextcmd;
2724 }
2725 #if (_MSC_VER == 1200)
2726 #pragma optimize( "", on )
2727 #endif
2728
2729 /*
2730 * Check for an Ex command with optional tail.
2731 * If there is a match advance "pp" to the argument and return TRUE.
2732 */
2733 int
2734 checkforcmd(pp, cmd, len)
2735 char_u **pp; /* start of command */
2736 char *cmd; /* name of command */
2737 int len; /* required length */
2738 {
2739 int i;
2740
2741 for (i = 0; cmd[i] != NUL; ++i)
2742 if (cmd[i] != (*pp)[i])
2743 break;
2744 if (i >= len && !isalpha((*pp)[i]))
2745 {
2746 *pp = skipwhite(*pp + i);
2747 return TRUE;
2748 }
2749 return FALSE;
2750 }
2751
2752 /*
2753 * Find an Ex command by its name, either built-in or user.
2754 * Start of the name can be found at eap->cmd.
2755 * Returns pointer to char after the command name.
2756 * "full" is set to TRUE if the whole command name matched.
2757 * Returns NULL for an ambiguous user command.
2758 */
2759 /*ARGSUSED*/
2760 static char_u *
2761 find_command(eap, full)
2762 exarg_T *eap;
2763 int *full;
2764 {
2765 int len;
2766 char_u *p;
2767 int i;
2768
2769 /*
2770 * Isolate the command and search for it in the command table.
2771 * Exceptions:
2772 * - the 'k' command can directly be followed by any character.
2773 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2774 * but :sre[wind] is another command, as are :scrip[tnames],
2775 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2776 * - the "d" command can directly be followed by 'l' or 'p' flag.
2777 */
2778 p = eap->cmd;
2779 if (*p == 'k')
2780 {
2781 eap->cmdidx = CMD_k;
2782 ++p;
2783 }
2784 else if (p[0] == 's'
2785 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2786 && p[3] != 'i' && p[4] != 'p')
2787 || p[1] == 'g'
2788 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2789 || p[1] == 'I'
2790 || (p[1] == 'r' && p[2] != 'e')))
2791 {
2792 eap->cmdidx = CMD_substitute;
2793 ++p;
2794 }
2795 else
2796 {
2797 while (ASCII_ISALPHA(*p))
2798 ++p;
2799 /* check for non-alpha command */
2800 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2801 ++p;
2802 len = (int)(p - eap->cmd);
2803 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2804 {
2805 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2806 * :delete with the 'l' flag. Same for 'p'. */
2807 for (i = 0; i < len; ++i)
2808 if (eap->cmd[i] != "delete"[i])
2809 break;
2810 if (i == len - 1)
2811 {
2812 --len;
2813 if (p[-1] == 'l')
2814 eap->flags |= EXFLAG_LIST;
2815 else
2816 eap->flags |= EXFLAG_PRINT;
2817 }
2818 }
2819
2820 if (ASCII_ISLOWER(*eap->cmd))
2821 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2822 else
2823 eap->cmdidx = cmdidxs[26];
2824
2825 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2826 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2827 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2828 (size_t)len) == 0)
2829 {
2830 #ifdef FEAT_EVAL
2831 if (full != NULL
2832 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2833 *full = TRUE;
2834 #endif
2835 break;
2836 }
2837
2838 #ifdef FEAT_USR_CMDS
2839 /* Look for a user defined command as a last resort */
2840 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2841 {
2842 /* User defined commands may contain digits. */
2843 while (ASCII_ISALNUM(*p))
2844 ++p;
2845 p = find_ucmd(eap, p, full, NULL, NULL);
2846 }
2847 #endif
2848 if (p == eap->cmd)
2849 eap->cmdidx = CMD_SIZE;
2850 }
2851
2852 return p;
2853 }
2854
2855 #ifdef FEAT_USR_CMDS
2856 /*
2857 * Search for a user command that matches "eap->cmd".
2858 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2859 * Return a pointer to just after the command.
2860 * Return NULL if there is no matching command.
2861 */
2862 static char_u *
2863 find_ucmd(eap, p, full, xp, compl)
2864 exarg_T *eap;
2865 char_u *p; /* end of the command (possibly including count) */
2866 int *full; /* set to TRUE for a full match */
2867 expand_T *xp; /* used for completion, NULL otherwise */
2868 int *compl; /* completion flags or NULL */
2869 {
2870 int len = (int)(p - eap->cmd);
2871 int j, k, matchlen = 0;
2872 ucmd_T *uc;
2873 int found = FALSE;
2874 int possible = FALSE;
2875 char_u *cp, *np; /* Point into typed cmd and test name */
2876 garray_T *gap;
2877 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2878 only full match global is accepted. */
2879
2880 /*
2881 * Look for buffer-local user commands first, then global ones.
2882 */
2883 gap = &curbuf->b_ucmds;
2884 for (;;)
2885 {
2886 for (j = 0; j < gap->ga_len; ++j)
2887 {
2888 uc = USER_CMD_GA(gap, j);
2889 cp = eap->cmd;
2890 np = uc->uc_name;
2891 k = 0;
2892 while (k < len && *np != NUL && *cp++ == *np++)
2893 k++;
2894 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2895 {
2896 /* If finding a second match, the command is ambiguous. But
2897 * not if a buffer-local command wasn't a full match and a
2898 * global command is a full match. */
2899 if (k == len && found && *np != NUL)
2900 {
2901 if (gap == &ucmds)
2902 return NULL;
2903 amb_local = TRUE;
2904 }
2905
2906 if (!found || (k == len && *np == NUL))
2907 {
2908 /* If we matched up to a digit, then there could
2909 * be another command including the digit that we
2910 * should use instead.
2911 */
2912 if (k == len)
2913 found = TRUE;
2914 else
2915 possible = TRUE;
2916
2917 if (gap == &ucmds)
2918 eap->cmdidx = CMD_USER;
2919 else
2920 eap->cmdidx = CMD_USER_BUF;
2921 eap->argt = (long)uc->uc_argt;
2922 eap->useridx = j;
2923
2924 # ifdef FEAT_CMDL_COMPL
2925 if (compl != NULL)
2926 *compl = uc->uc_compl;
2927 # ifdef FEAT_EVAL
2928 if (xp != NULL)
2929 {
2930 xp->xp_arg = uc->uc_compl_arg;
2931 xp->xp_scriptID = uc->uc_scriptID;
2932 }
2933 # endif
2934 # endif
2935 /* Do not search for further abbreviations
2936 * if this is an exact match. */
2937 matchlen = k;
2938 if (k == len && *np == NUL)
2939 {
2940 if (full != NULL)
2941 *full = TRUE;
2942 amb_local = FALSE;
2943 break;
2944 }
2945 }
2946 }
2947 }
2948
2949 /* Stop if we found a full match or searched all. */
2950 if (j < gap->ga_len || gap == &ucmds)
2951 break;
2952 gap = &ucmds;
2953 }
2954
2955 /* Only found ambiguous matches. */
2956 if (amb_local)
2957 {
2958 if (xp != NULL)
2959 xp->xp_context = EXPAND_UNSUCCESSFUL;
2960 return NULL;
2961 }
2962
2963 /* The match we found may be followed immediately by a number. Move "p"
2964 * back to point to it. */
2965 if (found || possible)
2966 return p + (matchlen - len);
2967 return p;
2968 }
2969 #endif
2970
2971 #if defined(FEAT_EVAL) || defined(PROTO)
2972 static struct cmdmod
2973 {
2974 char *name;
2975 int minlen;
2976 int has_count; /* :123verbose :3tab */
2977 } cmdmods[] = {
2978 {"aboveleft", 3, FALSE},
2979 {"belowright", 3, FALSE},
2980 {"botright", 2, FALSE},
2981 {"browse", 3, FALSE},
2982 {"confirm", 4, FALSE},
2983 {"hide", 3, FALSE},
2984 {"keepalt", 5, FALSE},
2985 {"keepjumps", 5, FALSE},
2986 {"keepmarks", 3, FALSE},
2987 {"leftabove", 5, FALSE},
2988 {"lockmarks", 3, FALSE},
2989 {"rightbelow", 6, FALSE},
2990 {"sandbox", 3, FALSE},
2991 {"silent", 3, FALSE},
2992 {"tab", 3, TRUE},
2993 {"topleft", 2, FALSE},
2994 {"verbose", 4, TRUE},
2995 {"vertical", 4, FALSE},
2996 };
2997
2998 /*
2999 * Return length of a command modifier (including optional count).
3000 * Return zero when it's not a modifier.
3001 */
3002 int
3003 modifier_len(cmd)
3004 char_u *cmd;
3005 {
3006 int i, j;
3007 char_u *p = cmd;
3008
3009 if (VIM_ISDIGIT(*cmd))
3010 p = skipwhite(skipdigits(cmd));
3011 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3012 {
3013 for (j = 0; p[j] != NUL; ++j)
3014 if (p[j] != cmdmods[i].name[j])
3015 break;
3016 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3017 && (p == cmd || cmdmods[i].has_count))
3018 return j + (int)(p - cmd);
3019 }
3020 return 0;
3021 }
3022
3023 /*
3024 * Return > 0 if an Ex command "name" exists.
3025 * Return 2 if there is an exact match.
3026 * Return 3 if there is an ambiguous match.
3027 */
3028 int
3029 cmd_exists(name)
3030 char_u *name;
3031 {
3032 exarg_T ea;
3033 int full = FALSE;
3034 int i;
3035 int j;
3036 char_u *p;
3037
3038 /* Check command modifiers. */
3039 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3040 {
3041 for (j = 0; name[j] != NUL; ++j)
3042 if (name[j] != cmdmods[i].name[j])
3043 break;
3044 if (name[j] == NUL && j >= cmdmods[i].minlen)
3045 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3046 }
3047
3048 /* Check built-in commands and user defined commands.
3049 * For ":2match" and ":3match" we need to skip the number. */
3050 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3051 ea.cmdidx = (cmdidx_T)0;
3052 p = find_command(&ea, &full);
3053 if (p == NULL)
3054 return 3;
3055 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3056 return 0;
3057 if (*skipwhite(p) != NUL)
3058 return 0; /* trailing garbage */
3059 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3060 }
3061 #endif
3062
3063 /*
3064 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3065 * we don't need/want deleted. Maybe this could be done better if we didn't
3066 * repeat all this stuff. The only problem is that they may not stay
3067 * perfectly compatible with each other, but then the command line syntax
3068 * probably won't change that much -- webb.
3069 */
3070 char_u *
3071 set_one_cmd_context(xp, buff)
3072 expand_T *xp;
3073 char_u *buff; /* buffer for command string */
3074 {
3075 char_u *p;
3076 char_u *cmd, *arg;
3077 int len = 0;
3078 exarg_T ea;
3079 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3080 int compl = EXPAND_NOTHING;
3081 #endif
3082 #ifdef FEAT_CMDL_COMPL
3083 int delim;
3084 #endif
3085 int forceit = FALSE;
3086 int usefilter = FALSE; /* filter instead of file name */
3087
3088 ExpandInit(xp);
3089 xp->xp_pattern = buff;
3090 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3091 ea.argt = 0;
3092
3093 /*
3094 * 2. skip comment lines and leading space, colons or bars
3095 */
3096 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3097 ;
3098 xp->xp_pattern = cmd;
3099
3100 if (*cmd == NUL)
3101 return NULL;
3102 if (*cmd == '"') /* ignore comment lines */
3103 {
3104 xp->xp_context = EXPAND_NOTHING;
3105 return NULL;
3106 }
3107
3108 /*
3109 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3110 */
3111 cmd = skip_range(cmd, &xp->xp_context);
3112
3113 /*
3114 * 4. parse command
3115 */
3116 xp->xp_pattern = cmd;
3117 if (*cmd == NUL)
3118 return NULL;
3119 if (*cmd == '"')
3120 {
3121 xp->xp_context = EXPAND_NOTHING;
3122 return NULL;
3123 }
3124
3125 if (*cmd == '|' || *cmd == '\n')
3126 return cmd + 1; /* There's another command */
3127
3128 /*
3129 * Isolate the command and search for it in the command table.
3130 * Exceptions:
3131 * - the 'k' command can directly be followed by any character, but
3132 * do accept "keepmarks", "keepalt" and "keepjumps".
3133 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3134 */
3135 if (*cmd == 'k' && cmd[1] != 'e')
3136 {
3137 ea.cmdidx = CMD_k;
3138 p = cmd + 1;
3139 }
3140 else
3141 {
3142 p = cmd;
3143 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3144 ++p;
3145 /* check for non-alpha command */
3146 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3147 ++p;
3148 len = (int)(p - cmd);
3149
3150 if (len == 0)
3151 {
3152 xp->xp_context = EXPAND_UNSUCCESSFUL;
3153 return NULL;
3154 }
3155 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3156 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3157 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3158 break;
3159
3160 #ifdef FEAT_USR_CMDS
3161 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3162 {
3163 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3164 ++p;
3165 len = (int)(p - cmd);
3166 }
3167 #endif
3168 }
3169
3170 /*
3171 * If the cursor is touching the command, and it ends in an alpha-numeric
3172 * character, complete the command name.
3173 */
3174 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3175 return NULL;
3176
3177 if (ea.cmdidx == CMD_SIZE)
3178 {
3179 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3180 {
3181 ea.cmdidx = CMD_substitute;
3182 p = cmd + 1;
3183 }
3184 #ifdef FEAT_USR_CMDS
3185 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3186 {
3187 ea.cmd = cmd;
3188 p = find_ucmd(&ea, p, NULL, xp,
3189 # if defined(FEAT_CMDL_COMPL)
3190 &compl
3191 # else
3192 NULL
3193 # endif
3194 );
3195 if (p == NULL)
3196 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3197 }
3198 #endif
3199 }
3200 if (ea.cmdidx == CMD_SIZE)
3201 {
3202 /* Not still touching the command and it was an illegal one */
3203 xp->xp_context = EXPAND_UNSUCCESSFUL;
3204 return NULL;
3205 }
3206
3207 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3208
3209 if (*p == '!') /* forced commands */
3210 {
3211 forceit = TRUE;
3212 ++p;
3213 }
3214
3215 /*
3216 * 5. parse arguments
3217 */
3218 #ifdef FEAT_USR_CMDS
3219 if (!USER_CMDIDX(ea.cmdidx))
3220 #endif
3221 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3222
3223 arg = skipwhite(p);
3224
3225 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3226 {
3227 if (*arg == '>') /* append */
3228 {
3229 if (*++arg == '>')
3230 ++arg;
3231 arg = skipwhite(arg);
3232 }
3233 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3234 {
3235 ++arg;
3236 usefilter = TRUE;
3237 }
3238 }
3239
3240 if (ea.cmdidx == CMD_read)
3241 {
3242 usefilter = forceit; /* :r! filter if forced */
3243 if (*arg == '!') /* :r !filter */
3244 {
3245 ++arg;
3246 usefilter = TRUE;
3247 }
3248 }
3249
3250 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3251 {
3252 while (*arg == *cmd) /* allow any number of '>' or '<' */
3253 ++arg;
3254 arg = skipwhite(arg);
3255 }
3256
3257 /* Does command allow "+command"? */
3258 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3259 {
3260 /* Check if we're in the +command */
3261 p = arg + 1;
3262 arg = skip_cmd_arg(arg, FALSE);
3263
3264 /* Still touching the command after '+'? */
3265 if (*arg == NUL)
3266 return p;
3267
3268 /* Skip space(s) after +command to get to the real argument */
3269 arg = skipwhite(arg);
3270 }
3271
3272 /*
3273 * Check for '|' to separate commands and '"' to start comments.
3274 * Don't do this for ":read !cmd" and ":write !cmd".
3275 */
3276 if ((ea.argt & TRLBAR) && !usefilter)
3277 {
3278 p = arg;
3279 /* ":redir @" is not the start of a comment */
3280 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3281 p += 2;
3282 while (*p)
3283 {
3284 if (*p == Ctrl_V)
3285 {
3286 if (p[1] != NUL)
3287 ++p;
3288 }
3289 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3290 || *p == '|' || *p == '\n')
3291 {
3292 if (*(p - 1) != '\\')
3293 {
3294 if (*p == '|' || *p == '\n')
3295 return p + 1;
3296 return NULL; /* It's a comment */
3297 }
3298 }
3299 mb_ptr_adv(p);
3300 }
3301 }
3302
3303 /* no arguments allowed */
3304 if (!(ea.argt & EXTRA) && *arg != NUL &&
3305 vim_strchr((char_u *)"|\"", *arg) == NULL)
3306 return NULL;
3307
3308 /* Find start of last argument (argument just before cursor): */
3309 p = buff + STRLEN(buff);
3310 while (p != arg && *p != ' ' && *p != TAB)
3311 p--;
3312 if (*p == ' ' || *p == TAB)
3313 p++;
3314 xp->xp_pattern = p;
3315
3316 if (ea.argt & XFILE)
3317 {
3318 int c;
3319 int in_quote = FALSE;
3320 char_u *bow = NULL; /* Beginning of word */
3321
3322 /*
3323 * Allow spaces within back-quotes to count as part of the argument
3324 * being expanded.
3325 */
3326 xp->xp_pattern = skipwhite(arg);
3327 p = xp->xp_pattern;
3328 while (*p != NUL)
3329 {
3330 #ifdef FEAT_MBYTE
3331 if (has_mbyte)
3332 c = mb_ptr2char(p);
3333 else
3334 #endif
3335 c = *p;
3336 if (c == '\\' && p[1] != NUL)
3337 ++p;
3338 else if (c == '`')
3339 {
3340 if (!in_quote)
3341 {
3342 xp->xp_pattern = p;
3343 bow = p + 1;
3344 }
3345 in_quote = !in_quote;
3346 }
3347 /* An argument can contain just about everything, except
3348 * characters that end the command and white space. */
3349 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3350 #ifdef SPACE_IN_FILENAME
3351 && (!(ea.argt & NOSPC) || usefilter)
3352 #endif
3353 ))
3354 {
3355 len = 0; /* avoid getting stuck when space is in 'isfname' */
3356 while (*p != NUL)
3357 {
3358 #ifdef FEAT_MBYTE
3359 if (has_mbyte)
3360 c = mb_ptr2char(p);
3361 else
3362 #endif
3363 c = *p;
3364 if (c == '`' || vim_isfilec_or_wc(c))
3365 break;
3366 #ifdef FEAT_MBYTE
3367 if (has_mbyte)
3368 len = (*mb_ptr2len)(p);
3369 else
3370 #endif
3371 len = 1;
3372 mb_ptr_adv(p);
3373 }
3374 if (in_quote)
3375 bow = p;
3376 else
3377 xp->xp_pattern = p;
3378 p -= len;
3379 }
3380 mb_ptr_adv(p);
3381 }
3382
3383 /*
3384 * If we are still inside the quotes, and we passed a space, just
3385 * expand from there.
3386 */
3387 if (bow != NULL && in_quote)
3388 xp->xp_pattern = bow;
3389 xp->xp_context = EXPAND_FILES;
3390
3391 #ifndef BACKSLASH_IN_FILENAME
3392 /* For a shell command more chars need to be escaped. */
3393 if (usefilter || ea.cmdidx == CMD_bang)
3394 {
3395 xp->xp_shell = TRUE;
3396
3397 /* When still after the command name expand executables. */
3398 if (xp->xp_pattern == skipwhite(arg))
3399 xp->xp_context = EXPAND_SHELLCMD;
3400 }
3401 #endif
3402
3403 /* Check for environment variable */
3404 if (*xp->xp_pattern == '$'
3405 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3406 || *xp->xp_pattern == '%'
3407 #endif
3408 )
3409 {
3410 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3411 if (!vim_isIDc(*p))
3412 break;
3413 if (*p == NUL)
3414 {
3415 xp->xp_context = EXPAND_ENV_VARS;
3416 ++xp->xp_pattern;
3417 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3418 /* Avoid that the assignment uses EXPAND_FILES again. */
3419 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3420 compl = EXPAND_ENV_VARS;
3421 #endif
3422 }
3423 }
3424 }
3425
3426 /*
3427 * 6. switch on command name
3428 */
3429 switch (ea.cmdidx)
3430 {
3431 case CMD_cd:
3432 case CMD_chdir:
3433 case CMD_lcd:
3434 case CMD_lchdir:
3435 if (xp->xp_context == EXPAND_FILES)
3436 xp->xp_context = EXPAND_DIRECTORIES;
3437 break;
3438 case CMD_help:
3439 xp->xp_context = EXPAND_HELP;
3440 xp->xp_pattern = arg;
3441 break;
3442
3443 /* Command modifiers: return the argument.
3444 * Also for commands with an argument that is a command. */
3445 case CMD_aboveleft:
3446 case CMD_argdo:
3447 case CMD_belowright:
3448 case CMD_botright:
3449 case CMD_browse:
3450 case CMD_bufdo:
3451 case CMD_confirm:
3452 case CMD_debug:
3453 case CMD_folddoclosed:
3454 case CMD_folddoopen:
3455 case CMD_hide:
3456 case CMD_keepalt:
3457 case CMD_keepjumps:
3458 case CMD_keepmarks:
3459 case CMD_leftabove:
3460 case CMD_lockmarks:
3461 case CMD_rightbelow:
3462 case CMD_sandbox:
3463 case CMD_silent:
3464 case CMD_tab:
3465 case CMD_topleft:
3466 case CMD_verbose:
3467 case CMD_vertical:
3468 case CMD_windo:
3469 return arg;
3470
3471 #ifdef FEAT_CMDL_COMPL
3472 # ifdef FEAT_SEARCH_EXTRA
3473 case CMD_match:
3474 if (*arg == NUL || !ends_excmd(*arg))
3475 {
3476 /* also complete "None" */
3477 set_context_in_echohl_cmd(xp, arg);
3478 arg = skipwhite(skiptowhite(arg));
3479 if (*arg != NUL)
3480 {
3481 xp->xp_context = EXPAND_NOTHING;
3482 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3483 }
3484 }
3485 return find_nextcmd(arg);
3486 # endif
3487
3488 /*
3489 * All completion for the +cmdline_compl feature goes here.
3490 */
3491
3492 # ifdef FEAT_USR_CMDS
3493 case CMD_command:
3494 /* Check for attributes */
3495 while (*arg == '-')
3496 {
3497 arg++; /* Skip "-" */
3498 p = skiptowhite(arg);
3499 if (*p == NUL)
3500 {
3501 /* Cursor is still in the attribute */
3502 p = vim_strchr(arg, '=');
3503 if (p == NULL)
3504 {
3505 /* No "=", so complete attribute names */
3506 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3507 xp->xp_pattern = arg;
3508 return NULL;
3509 }
3510
3511 /* For the -complete and -nargs attributes, we complete
3512 * their arguments as well.
3513 */
3514 if (STRNICMP(arg, "complete", p - arg) == 0)
3515 {
3516 xp->xp_context = EXPAND_USER_COMPLETE;
3517 xp->xp_pattern = p + 1;
3518 return NULL;
3519 }
3520 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3521 {
3522 xp->xp_context = EXPAND_USER_NARGS;
3523 xp->xp_pattern = p + 1;
3524 return NULL;
3525 }
3526 return NULL;
3527 }
3528 arg = skipwhite(p);
3529 }
3530
3531 /* After the attributes comes the new command name */
3532 p = skiptowhite(arg);
3533 if (*p == NUL)
3534 {
3535 xp->xp_context = EXPAND_USER_COMMANDS;
3536 xp->xp_pattern = arg;
3537 break;
3538 }
3539
3540 /* And finally comes a normal command */
3541 return skipwhite(p);
3542
3543 case CMD_delcommand:
3544 xp->xp_context = EXPAND_USER_COMMANDS;
3545 xp->xp_pattern = arg;
3546 break;
3547 # endif
3548
3549 case CMD_global:
3550 case CMD_vglobal:
3551 delim = *arg; /* get the delimiter */
3552 if (delim)
3553 ++arg; /* skip delimiter if there is one */
3554
3555 while (arg[0] != NUL && arg[0] != delim)
3556 {
3557 if (arg[0] == '\\' && arg[1] != NUL)
3558 ++arg;
3559 ++arg;
3560 }
3561 if (arg[0] != NUL)
3562 return arg + 1;
3563 break;
3564 case CMD_and:
3565 case CMD_substitute:
3566 delim = *arg;
3567 if (delim)
3568 {
3569 /* skip "from" part */
3570 ++arg;
3571 arg = skip_regexp(arg, delim, p_magic, NULL);
3572 }
3573 /* skip "to" part */
3574 while (arg[0] != NUL && arg[0] != delim)
3575 {
3576 if (arg[0] == '\\' && arg[1] != NUL)
3577 ++arg;
3578 ++arg;
3579 }
3580 if (arg[0] != NUL) /* skip delimiter */
3581 ++arg;
3582 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3583 ++arg;
3584 if (arg[0] != NUL)
3585 return arg;
3586 break;
3587 case CMD_isearch:
3588 case CMD_dsearch:
3589 case CMD_ilist:
3590 case CMD_dlist:
3591 case CMD_ijump:
3592 case CMD_psearch:
3593 case CMD_djump:
3594 case CMD_isplit:
3595 case CMD_dsplit:
3596 arg = skipwhite(skipdigits(arg)); /* skip count */
3597 if (*arg == '/') /* Match regexp, not just whole words */
3598 {
3599 for (++arg; *arg && *arg != '/'; arg++)
3600 if (*arg == '\\' && arg[1] != NUL)
3601 arg++;
3602 if (*arg)
3603 {
3604 arg = skipwhite(arg + 1);
3605
3606 /* Check for trailing illegal characters */
3607 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3608 xp->xp_context = EXPAND_NOTHING;
3609 else
3610 return arg;
3611 }
3612 }
3613 break;
3614 #ifdef FEAT_AUTOCMD
3615 case CMD_autocmd:
3616 return set_context_in_autocmd(xp, arg, FALSE);
3617
3618 case CMD_doautocmd:
3619 return set_context_in_autocmd(xp, arg, TRUE);
3620 #endif
3621 case CMD_set:
3622 set_context_in_set_cmd(xp, arg, 0);
3623 break;
3624 case CMD_setglobal:
3625 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3626 break;
3627 case CMD_setlocal:
3628 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3629 break;
3630 case CMD_tag:
3631 case CMD_stag:
3632 case CMD_ptag:
3633 case CMD_ltag:
3634 case CMD_tselect:
3635 case CMD_stselect:
3636 case CMD_ptselect:
3637 case CMD_tjump:
3638 case CMD_stjump:
3639 case CMD_ptjump:
3640 if (*p_wop != NUL)
3641 xp->xp_context = EXPAND_TAGS_LISTFILES;
3642 else
3643 xp->xp_context = EXPAND_TAGS;
3644 xp->xp_pattern = arg;
3645 break;
3646 case CMD_augroup:
3647 xp->xp_context = EXPAND_AUGROUP;
3648 xp->xp_pattern = arg;
3649 break;
3650 #ifdef FEAT_SYN_HL
3651 case CMD_syntax:
3652 set_context_in_syntax_cmd(xp, arg);
3653 break;
3654 #endif
3655 #ifdef FEAT_EVAL
3656 case CMD_let:
3657 case CMD_if:
3658 case CMD_elseif:
3659 case CMD_while:
3660 case CMD_for:
3661 case CMD_echo:
3662 case CMD_echon:
3663 case CMD_execute:
3664 case CMD_echomsg:
3665 case CMD_echoerr:
3666 case CMD_call:
3667 case CMD_return:
3668 set_context_for_expression(xp, arg, ea.cmdidx);
3669 break;
3670
3671 case CMD_unlet:
3672 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3673 arg = xp->xp_pattern + 1;
3674 xp->xp_context = EXPAND_USER_VARS;
3675 xp->xp_pattern = arg;
3676 break;
3677
3678 case CMD_function:
3679 case CMD_delfunction:
3680 xp->xp_context = EXPAND_USER_FUNC;
3681 xp->xp_pattern = arg;
3682 break;
3683
3684 case CMD_echohl:
3685 set_context_in_echohl_cmd(xp, arg);
3686 break;
3687 #endif
3688 case CMD_highlight:
3689 set_context_in_highlight_cmd(xp, arg);
3690 break;
3691 #ifdef FEAT_LISTCMDS
3692 case CMD_bdelete:
3693 case CMD_bwipeout:
3694 case CMD_bunload:
3695 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3696 arg = xp->xp_pattern + 1;
3697 /*FALLTHROUGH*/
3698 case CMD_buffer:
3699 case CMD_sbuffer:
3700 case CMD_checktime:
3701 xp->xp_context = EXPAND_BUFFERS;
3702 xp->xp_pattern = arg;
3703 break;
3704 #endif
3705 #ifdef FEAT_USR_CMDS
3706 case CMD_USER:
3707 case CMD_USER_BUF:
3708 if (compl != EXPAND_NOTHING)
3709 {
3710 /* XFILE: file names are handled above */
3711 if (!(ea.argt & XFILE))
3712 {
3713 # ifdef FEAT_MENU
3714 if (compl == EXPAND_MENUS)
3715 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3716 # endif
3717 if (compl == EXPAND_COMMANDS)
3718 return arg;
3719 if (compl == EXPAND_MAPPINGS)
3720 return set_context_in_map_cmd(xp, (char_u *)"map",
3721 arg, forceit, FALSE, FALSE, CMD_map);
3722 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3723 arg = xp->xp_pattern + 1;
3724 xp->xp_pattern = arg;
3725 }
3726 xp->xp_context = compl;
3727 }
3728 break;
3729 #endif
3730 case CMD_map: case CMD_noremap:
3731 case CMD_nmap: case CMD_nnoremap:
3732 case CMD_vmap: case CMD_vnoremap:
3733 case CMD_omap: case CMD_onoremap:
3734 case CMD_imap: case CMD_inoremap:
3735 case CMD_cmap: case CMD_cnoremap:
3736 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3737 FALSE, FALSE, ea.cmdidx);
3738 case CMD_unmap:
3739 case CMD_nunmap:
3740 case CMD_vunmap:
3741 case CMD_ounmap:
3742 case CMD_iunmap:
3743 case CMD_cunmap:
3744 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3745 FALSE, TRUE, ea.cmdidx);
3746 case CMD_abbreviate: case CMD_noreabbrev:
3747 case CMD_cabbrev: case CMD_cnoreabbrev:
3748 case CMD_iabbrev: case CMD_inoreabbrev:
3749 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3750 TRUE, FALSE, ea.cmdidx);
3751 case CMD_unabbreviate:
3752 case CMD_cunabbrev:
3753 case CMD_iunabbrev:
3754 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3755 TRUE, TRUE, ea.cmdidx);
3756 #ifdef FEAT_MENU
3757 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3758 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3759 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3760 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3761 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3762 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3763 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3764 case CMD_tmenu: case CMD_tunmenu:
3765 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3766 #ifdef FEAT_GUI_MACVIM
3767 case CMD_macmenukey:
3768 #endif
3769 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3770 #endif
3771
3772 case CMD_colorscheme:
3773 xp->xp_context = EXPAND_COLORS;
3774 xp->xp_pattern = arg;
3775 break;
3776
3777 case CMD_compiler:
3778 xp->xp_context = EXPAND_COMPILER;
3779 xp->xp_pattern = arg;
3780 break;
3781
3782 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3783 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3784 case CMD_language:
3785 if (*skiptowhite(arg) == NUL)
3786 {
3787 xp->xp_context = EXPAND_LANGUAGE;
3788 xp->xp_pattern = arg;
3789 }
3790 else
3791 xp->xp_context = EXPAND_NOTHING;
3792 break;
3793 #endif
3794
3795 #endif /* FEAT_CMDL_COMPL */
3796
3797 default:
3798 break;
3799 }
3800 return NULL;
3801 }
3802
3803 /*
3804 * skip a range specifier of the form: addr [,addr] [;addr] ..
3805 *
3806 * Backslashed delimiters after / or ? will be skipped, and commands will
3807 * not be expanded between /'s and ?'s or after "'".
3808 *
3809 * Also skip white space and ":" characters.
3810 * Returns the "cmd" pointer advanced to beyond the range.
3811 */
3812 char_u *
3813 skip_range(cmd, ctx)
3814 char_u *cmd;
3815 int *ctx; /* pointer to xp_context or NULL */
3816 {
3817 int delim;
3818
3819 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3820 {
3821 if (*cmd == '\'')
3822 {
3823 if (*++cmd == NUL && ctx != NULL)
3824 *ctx = EXPAND_NOTHING;
3825 }
3826 else if (*cmd == '/' || *cmd == '?')
3827 {
3828 delim = *cmd++;
3829 while (*cmd != NUL && *cmd != delim)
3830 if (*cmd++ == '\\' && *cmd != NUL)
3831 ++cmd;
3832 if (*cmd == NUL && ctx != NULL)
3833 *ctx = EXPAND_NOTHING;
3834 }
3835 if (*cmd != NUL)
3836 ++cmd;
3837 }
3838
3839 /* Skip ":" and white space. */
3840 while (*cmd == ':')
3841 cmd = skipwhite(cmd + 1);
3842
3843 return cmd;
3844 }
3845
3846 /*
3847 * get a single EX address
3848 *
3849 * Set ptr to the next character after the part that was interpreted.
3850 * Set ptr to NULL when an error is encountered.
3851 *
3852 * Return MAXLNUM when no Ex address was found.
3853 */
3854 static linenr_T
3855 get_address(ptr, skip, to_other_file)
3856 char_u **ptr;
3857 int skip; /* only skip the address, don't use it */
3858 int to_other_file; /* flag: may jump to other file */
3859 {
3860 int c;
3861 int i;
3862 long n;
3863 char_u *cmd;
3864 pos_T pos;
3865 pos_T *fp;
3866 linenr_T lnum;
3867
3868 cmd = skipwhite(*ptr);
3869 lnum = MAXLNUM;
3870 do
3871 {
3872 switch (*cmd)
3873 {
3874 case '.': /* '.' - Cursor position */
3875 ++cmd;
3876 lnum = curwin->w_cursor.lnum;
3877 break;
3878
3879 case '$': /* '$' - last line */
3880 ++cmd;
3881 lnum = curbuf->b_ml.ml_line_count;
3882 break;
3883
3884 case '\'': /* ''' - mark */
3885 if (*++cmd == NUL)
3886 {
3887 cmd = NULL;
3888 goto error;
3889 }
3890 if (skip)
3891 ++cmd;
3892 else
3893 {
3894 /* Only accept a mark in another file when it is
3895 * used by itself: ":'M". */
3896 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3897 ++cmd;
3898 if (fp == (pos_T *)-1)
3899 /* Jumped to another file. */
3900 lnum = curwin->w_cursor.lnum;
3901 else
3902 {
3903 if (check_mark(fp) == FAIL)
3904 {
3905 cmd = NULL;
3906 goto error;
3907 }
3908 lnum = fp->lnum;
3909 }
3910 }
3911 break;
3912
3913 case '/':
3914 case '?': /* '/' or '?' - search */
3915 c = *cmd++;
3916 if (skip) /* skip "/pat/" */
3917 {
3918 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3919 if (*cmd == c)
3920 ++cmd;
3921 }
3922 else
3923 {
3924 pos = curwin->w_cursor; /* save curwin->w_cursor */
3925 /*
3926 * When '/' or '?' follows another address, start
3927 * from there.
3928 */
3929 if (lnum != MAXLNUM)
3930 curwin->w_cursor.lnum = lnum;
3931 /*
3932 * Start a forward search at the end of the line.
3933 * Start a backward search at the start of the line.
3934 * This makes sure we never match in the current
3935 * line, and can match anywhere in the
3936 * next/previous line.
3937 */
3938 if (c == '/')
3939 curwin->w_cursor.col = MAXCOL;
3940 else
3941 curwin->w_cursor.col = 0;
3942 searchcmdlen = 0;
3943 if (!do_search(NULL, c, cmd, 1L,
3944 SEARCH_HIS | SEARCH_MSG, NULL))
3945 {
3946 curwin->w_cursor = pos;
3947 cmd = NULL;
3948 goto error;
3949 }
3950 lnum = curwin->w_cursor.lnum;
3951 curwin->w_cursor = pos;
3952 /* adjust command string pointer */
3953 cmd += searchcmdlen;
3954 }
3955 break;
3956
3957 case '\\': /* "\?", "\/" or "\&", repeat search */
3958 ++cmd;
3959 if (*cmd == '&')
3960 i = RE_SUBST;
3961 else if (*cmd == '?' || *cmd == '/')
3962 i = RE_SEARCH;
3963 else
3964 {
3965 EMSG(_(e_backslash));
3966 cmd = NULL;
3967 goto error;
3968 }
3969
3970 if (!skip)
3971 {
3972 /*
3973 * When search follows another address, start from
3974 * there.
3975 */
3976 if (lnum != MAXLNUM)
3977 pos.lnum = lnum;
3978 else
3979 pos.lnum = curwin->w_cursor.lnum;
3980
3981 /*
3982 * Start the search just like for the above
3983 * do_search().
3984 */
3985 if (*cmd != '?')
3986 pos.col = MAXCOL;
3987 else
3988 pos.col = 0;
3989 if (searchit(curwin, curbuf, &pos,
3990 *cmd == '?' ? BACKWARD : FORWARD,
3991 (char_u *)"", 1L, SEARCH_MSG,
3992 i, (linenr_T)0, NULL) != FAIL)
3993 lnum = pos.lnum;
3994 else
3995 {
3996 cmd = NULL;
3997 goto error;
3998 }
3999 }
4000 ++cmd;
4001 break;
4002
4003 default:
4004 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4005 lnum = getdigits(&cmd);
4006 }
4007
4008 for (;;)
4009 {
4010 cmd = skipwhite(cmd);
4011 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4012 break;
4013
4014 if (lnum == MAXLNUM)
4015 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4016 if (VIM_ISDIGIT(*cmd))
4017 i = '+'; /* "number" is same as "+number" */
4018 else
4019 i = *cmd++;
4020 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4021 n = 1;
4022 else
4023 n = getdigits(&cmd);
4024 if (i == '-')
4025 lnum -= n;
4026 else
4027 lnum += n;
4028 }
4029 } while (*cmd == '/' || *cmd == '?');
4030
4031 error:
4032 *ptr = cmd;
4033 return lnum;
4034 }
4035
4036 /*
4037 * Get flags from an Ex command argument.
4038 */
4039 static void
4040 get_flags(eap)
4041 exarg_T *eap;
4042 {
4043 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4044 {
4045 if (*eap->arg == 'l')
4046 eap->flags |= EXFLAG_LIST;
4047 else if (*eap->arg == 'p')
4048 eap->flags |= EXFLAG_PRINT;
4049 else
4050 eap->flags |= EXFLAG_NR;
4051 eap->arg = skipwhite(eap->arg + 1);
4052 }
4053 }
4054
4055 /*
4056 * Function called for command which is Not Implemented. NI!
4057 */
4058 void
4059 ex_ni(eap)
4060 exarg_T *eap;
4061 {
4062 if (!eap->skip)
4063 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4064 }
4065
4066 #ifdef HAVE_EX_SCRIPT_NI
4067 /*
4068 * Function called for script command which is Not Implemented. NI!
4069 * Skips over ":perl <<EOF" constructs.
4070 */
4071 static void
4072 ex_script_ni(eap)
4073 exarg_T *eap;
4074 {
4075 if (!eap->skip)
4076 ex_ni(eap);
4077 else
4078 vim_free(script_get(eap, eap->arg));
4079 }
4080 #endif
4081
4082 /*
4083 * Check range in Ex command for validity.
4084 * Return NULL when valid, error message when invalid.
4085 */
4086 static char_u *
4087 invalid_range(eap)
4088 exarg_T *eap;
4089 {
4090 if ( eap->line1 < 0
4091 || eap->line2 < 0
4092 || eap->line1 > eap->line2
4093 || ((eap->argt & RANGE)
4094 && !(eap->argt & NOTADR)
4095 && eap->line2 > curbuf->b_ml.ml_line_count
4096 #ifdef FEAT_DIFF
4097 + (eap->cmdidx == CMD_diffget)
4098 #endif
4099 ))
4100 return (char_u *)_(e_invrange);
4101 return NULL;
4102 }
4103
4104 /*
4105 * Correct the range for zero line number, if required.
4106 */
4107 static void
4108 correct_range(eap)
4109 exarg_T *eap;
4110 {
4111 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4112 {
4113 if (eap->line1 == 0)
4114 eap->line1 = 1;
4115 if (eap->line2 == 0)
4116 eap->line2 = 1;
4117 }
4118 }
4119
4120 #ifdef FEAT_QUICKFIX
4121 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4122
4123 /*
4124 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4125 * pattern. Otherwise return eap->arg.
4126 */
4127 static char_u *
4128 skip_grep_pat(eap)
4129 exarg_T *eap;
4130 {
4131 char_u *p = eap->arg;
4132
4133 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4134 || eap->cmdidx == CMD_vimgrepadd
4135 || eap->cmdidx == CMD_lvimgrepadd
4136 || grep_internal(eap->cmdidx)))
4137 {
4138 p = skip_vimgrep_pat(p, NULL, NULL);
4139 if (p == NULL)
4140 p = eap->arg;
4141 }
4142 return p;
4143 }
4144
4145 /*
4146 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4147 * in the command line, so that things like % get expanded.
4148 */
4149 static char_u *
4150 replace_makeprg(eap, p, cmdlinep)
4151 exarg_T *eap;
4152 char_u *p;
4153 char_u **cmdlinep;
4154 {
4155 char_u *new_cmdline;
4156 char_u *program;
4157 char_u *pos;
4158 char_u *ptr;
4159 int len;
4160 int i;
4161
4162 /*
4163 * Don't do it when ":vimgrep" is used for ":grep".
4164 */
4165 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4166 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4167 || eap->cmdidx == CMD_grepadd
4168 || eap->cmdidx == CMD_lgrepadd)
4169 && !grep_internal(eap->cmdidx))
4170 {
4171 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4172 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4173 {
4174 if (*curbuf->b_p_gp == NUL)
4175 program = p_gp;
4176 else
4177 program = curbuf->b_p_gp;
4178 }
4179 else
4180 {
4181 if (*curbuf->b_p_mp == NUL)
4182 program = p_mp;
4183 else
4184 program = curbuf->b_p_mp;
4185 }
4186
4187 p = skipwhite(p);
4188
4189 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4190 {
4191 /* replace $* by given arguments */
4192 i = 1;
4193 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4194 ++i;
4195 len = (int)STRLEN(p);
4196 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4197 if (new_cmdline == NULL)
4198 return NULL; /* out of memory */
4199 ptr = new_cmdline;
4200 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4201 {
4202 i = (int)(pos - program);
4203 STRNCPY(ptr, program, i);
4204 STRCPY(ptr += i, p);
4205 ptr += len;
4206 program = pos + 2;
4207 }
4208 STRCPY(ptr, program);
4209 }
4210 else
4211 {
4212 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4213 if (new_cmdline == NULL)
4214 return NULL; /* out of memory */
4215 STRCPY(new_cmdline, program);
4216 STRCAT(new_cmdline, " ");
4217 STRCAT(new_cmdline, p);
4218 }
4219 msg_make(p);
4220
4221 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4222 vim_free(*cmdlinep);
4223 *cmdlinep = new_cmdline;
4224 p = new_cmdline;
4225 }
4226 return p;
4227 }
4228 #endif
4229
4230 /*
4231 * Expand file name in Ex command argument.
4232 * Return FAIL for failure, OK otherwise.
4233 */
4234 int
4235 expand_filename(eap, cmdlinep, errormsgp)
4236 exarg_T *eap;
4237 char_u **cmdlinep;
4238 char_u **errormsgp;
4239 {
4240 int has_wildcards; /* need to expand wildcards */
4241 char_u *repl;
4242 int srclen;
4243 char_u *p;
4244 int n;
4245 int escaped;
4246
4247 #ifdef FEAT_QUICKFIX
4248 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4249 p = skip_grep_pat(eap);
4250 #else
4251 p = eap->arg;
4252 #endif
4253
4254 /*
4255 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4256 * the file name contains a wildcard it should not cause expanding.
4257 * (it will be expanded anyway if there is a wildcard before replacing).
4258 */
4259 has_wildcards = mch_has_wildcard(p);
4260 while (*p != NUL)
4261 {
4262 #ifdef FEAT_EVAL
4263 /* Skip over `=expr`, wildcards in it are not expanded. */
4264 if (p[0] == '`' && p[1] == '=')
4265 {
4266 p += 2;
4267 (void)skip_expr(&p);
4268 if (*p == '`')
4269 ++p;
4270 continue;
4271 }
4272 #endif
4273 /*
4274 * Quick check if this cannot be the start of a special string.
4275 * Also removes backslash before '%', '#' and '<'.
4276 */
4277 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4278 {
4279 ++p;
4280 continue;
4281 }
4282
4283 /*
4284 * Try to find a match at this position.
4285 */
4286 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4287 errormsgp, &escaped);
4288 if (*errormsgp != NULL) /* error detected */
4289 return FAIL;
4290 if (repl == NULL) /* no match found */
4291 {
4292 p += srclen;
4293 continue;
4294 }
4295
4296 /* Wildcards won't be expanded below, the replacement is taken
4297 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4298 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4299 {
4300 char_u *l = repl;
4301
4302 repl = expand_env_save(repl);
4303 vim_free(l);
4304 }
4305
4306 /* Need to escape white space et al. with a backslash.
4307 * Don't do this for:
4308 * - replacement that already has been escaped: "##"
4309 * - shell commands (may have to use quotes instead).
4310 * - non-unix systems when there is a single argument (spaces don't
4311 * separate arguments then).
4312 */
4313 if (!eap->usefilter
4314 && !escaped
4315 && eap->cmdidx != CMD_bang
4316 && eap->cmdidx != CMD_make
4317 && eap->cmdidx != CMD_lmake
4318 && eap->cmdidx != CMD_grep
4319 && eap->cmdidx != CMD_lgrep
4320 && eap->cmdidx != CMD_grepadd
4321 && eap->cmdidx != CMD_lgrepadd
4322 #ifndef UNIX
4323 && !(eap->argt & NOSPC)
4324 #endif
4325 )
4326 {
4327 char_u *l;
4328 #ifdef BACKSLASH_IN_FILENAME
4329 /* Don't escape a backslash here, because rem_backslash() doesn't
4330 * remove it later. */
4331 static char_u *nobslash = (char_u *)" \t\"|";
4332 # define ESCAPE_CHARS nobslash
4333 #else
4334 # define ESCAPE_CHARS escape_chars
4335 #endif
4336
4337 for (l = repl; *l; ++l)
4338 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4339 {
4340 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4341 if (l != NULL)
4342 {
4343 vim_free(repl);
4344 repl = l;
4345 }
4346 break;
4347 }
4348 }
4349
4350 /* For a shell command a '!' must be escaped. */
4351 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4352 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4353 {
4354 char_u *l;
4355
4356 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4357 if (l != NULL)
4358 {
4359 vim_free(repl);
4360 repl = l;
4361 /* For a sh-like shell escape "!" another time. */
4362 if (strstr((char *)p_sh, "sh") != NULL)
4363 {
4364 l = vim_strsave_escaped(repl, (char_u *)"!");
4365 if (l != NULL)
4366 {
4367 vim_free(repl);
4368 repl = l;
4369 }
4370 }
4371 }
4372 }
4373
4374 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4375 vim_free(repl);
4376 if (p == NULL)
4377 return FAIL;
4378 }
4379
4380 /*
4381 * One file argument: Expand wildcards.
4382 * Don't do this with ":r !command" or ":w !command".
4383 */
4384 if ((eap->argt & NOSPC) && !eap->usefilter)
4385 {
4386 /*
4387 * May do this twice:
4388 * 1. Replace environment variables.
4389 * 2. Replace any other wildcards, remove backslashes.
4390 */
4391 for (n = 1; n <= 2; ++n)
4392 {
4393 if (n == 2)
4394 {
4395 #ifdef UNIX
4396 /*
4397 * Only for Unix we check for more than one file name.
4398 * For other systems spaces are considered to be part
4399 * of the file name.
4400 * Only check here if there is no wildcard, otherwise
4401 * ExpandOne() will check for errors. This allows
4402 * ":e `ls ve*.c`" on Unix.
4403 */
4404 if (!has_wildcards)
4405 for (p = eap->arg; *p; ++p)
4406 {
4407 /* skip escaped characters */
4408 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4409 ++p;
4410 else if (vim_iswhite(*p))
4411 {
4412 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4413 return FAIL;
4414 }
4415 }
4416 #endif
4417
4418 /*
4419 * Halve the number of backslashes (this is Vi compatible).
4420 * For Unix and OS/2, when wildcards are expanded, this is
4421 * done by ExpandOne() below.
4422 */
4423 #if defined(UNIX) || defined(OS2)
4424 if (!has_wildcards)
4425 #endif
4426 backslash_halve(eap->arg);
4427 }
4428
4429 if (has_wildcards)
4430 {
4431 if (n == 1)
4432 {
4433 /*
4434 * First loop: May expand environment variables. This
4435 * can be done much faster with expand_env() than with
4436 * something else (e.g., calling a shell).
4437 * After expanding environment variables, check again
4438 * if there are still wildcards present.
4439 */
4440 if (vim_strchr(eap->arg, '$') != NULL
4441 || vim_strchr(eap->arg, '~') != NULL)
4442 {
4443 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4444 TRUE, TRUE, NULL);
4445 has_wildcards = mch_has_wildcard(NameBuff);
4446 p = NameBuff;
4447 }
4448 else
4449 p = NULL;
4450 }
4451 else /* n == 2 */
4452 {
4453 expand_T xpc;
4454
4455 ExpandInit(&xpc);
4456 xpc.xp_context = EXPAND_FILES;
4457 p = ExpandOne(&xpc, eap->arg, NULL,
4458 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4459 WILD_EXPAND_FREE);
4460 if (p == NULL)
4461 return FAIL;
4462 }
4463 if (p != NULL)
4464 {
4465 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4466 p, cmdlinep);
4467 if (n == 2) /* p came from ExpandOne() */
4468 vim_free(p);
4469 }
4470 }
4471 }
4472 }
4473 return OK;
4474 }
4475
4476 /*
4477 * Replace part of the command line, keeping eap->cmd, eap->arg and
4478 * eap->nextcmd correct.
4479 * "src" points to the part that is to be replaced, of length "srclen".
4480 * "repl" is the replacement string.
4481 * Returns a pointer to the character after the replaced string.
4482 * Returns NULL for failure.
4483 */
4484 static char_u *
4485 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4486 exarg_T *eap;
4487 char_u *src;
4488 int srclen;
4489 char_u *repl;
4490 char_u **cmdlinep;
4491 {
4492 int len;
4493 int i;
4494 char_u *new_cmdline;
4495
4496 /*
4497 * The new command line is build in new_cmdline[].
4498 * First allocate it.
4499 * Careful: a "+cmd" argument may have been NUL terminated.
4500 */
4501 len = (int)STRLEN(repl);
4502 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4503 if (eap->nextcmd != NULL)
4504 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4505 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4506 return NULL; /* out of memory! */
4507
4508 /*
4509 * Copy the stuff before the expanded part.
4510 * Copy the expanded stuff.
4511 * Copy what came after the expanded part.
4512 * Copy the next commands, if there are any.
4513 */
4514 i = (int)(src - *cmdlinep); /* length of part before match */
4515 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4516
4517 mch_memmove(new_cmdline + i, repl, (size_t)len);
4518 i += len; /* remember the end of the string */
4519 STRCPY(new_cmdline + i, src + srclen);
4520 src = new_cmdline + i; /* remember where to continue */
4521
4522 if (eap->nextcmd != NULL) /* append next command */
4523 {
4524 i = (int)STRLEN(new_cmdline) + 1;
4525 STRCPY(new_cmdline + i, eap->nextcmd);
4526 eap->nextcmd = new_cmdline + i;
4527 }
4528 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4529 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4530 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4531 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4532 vim_free(*cmdlinep);
4533 *cmdlinep = new_cmdline;
4534
4535 return src;
4536 }
4537
4538 /*
4539 * Check for '|' to separate commands and '"' to start comments.
4540 */
4541 void
4542 separate_nextcmd(eap)
4543 exarg_T *eap;
4544 {
4545 char_u *p;
4546
4547 #ifdef FEAT_QUICKFIX
4548 p = skip_grep_pat(eap);
4549 #else
4550 p = eap->arg;
4551 #endif
4552
4553 for ( ; *p; mb_ptr_adv(p))
4554 {
4555 if (*p == Ctrl_V)
4556 {
4557 if (eap->argt & (USECTRLV | XFILE))
4558 ++p; /* skip CTRL-V and next char */
4559 else
4560 /* remove CTRL-V and skip next char */
4561 mch_memmove(p, p + 1, STRLEN(p));
4562 if (*p == NUL) /* stop at NUL after CTRL-V */
4563 break;
4564 }
4565
4566 #ifdef FEAT_EVAL
4567 /* Skip over `=expr` when wildcards are expanded. */
4568 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4569 {
4570 p += 2;
4571 (void)skip_expr(&p);
4572 }
4573 #endif
4574
4575 /* Check for '"': start of comment or '|': next command */
4576 /* :@" and :*" do not start a comment!
4577 * :redir @" doesn't either. */
4578 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4579 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4580 || p != eap->arg)
4581 && (eap->cmdidx != CMD_redir
4582 || p != eap->arg + 1 || p[-1] != '@'))
4583 || *p == '|' || *p == '\n')
4584 {
4585 /*
4586 * We remove the '\' before the '|', unless USECTRLV is used
4587 * AND 'b' is present in 'cpoptions'.
4588 */
4589 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4590 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4591 {
4592 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4593 --p;
4594 }
4595 else
4596 {
4597 eap->nextcmd = check_nextcmd(p);
4598 *p = NUL;
4599 break;
4600 }
4601 }
4602 }
4603
4604 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4605 del_trailing_spaces(eap->arg);
4606 }
4607
4608 /*
4609 * get + command from ex argument
4610 */
4611 static char_u *
4612 getargcmd(argp)
4613 char_u **argp;
4614 {
4615 char_u *arg = *argp;
4616 char_u *command = NULL;
4617
4618 if (*arg == '+') /* +[command] */
4619 {
4620 ++arg;
4621 if (vim_isspace(*arg))
4622 command = dollar_command;
4623 else
4624 {
4625 command = arg;
4626 arg = skip_cmd_arg(command, TRUE);
4627 if (*arg != NUL)
4628 *arg++ = NUL; /* terminate command with NUL */
4629 }
4630
4631 arg = skipwhite(arg); /* skip over spaces */
4632 *argp = arg;
4633 }
4634 return command;
4635 }
4636
4637 /*
4638 * Find end of "+command" argument. Skip over "\ " and "\\".
4639 */
4640 static char_u *
4641 skip_cmd_arg(p, rembs)
4642 char_u *p;
4643 int rembs; /* TRUE to halve the number of backslashes */
4644 {
4645 while (*p && !vim_isspace(*p))
4646 {
4647 if (*p == '\\' && p[1] != NUL)
4648 {
4649 if (rembs)
4650 mch_memmove(p, p + 1, STRLEN(p));
4651 else
4652 ++p;
4653 }
4654 mb_ptr_adv(p);
4655 }
4656 return p;
4657 }
4658
4659 /*
4660 * Get "++opt=arg" argument.
4661 * Return FAIL or OK.
4662 */
4663 static int
4664 getargopt(eap)
4665 exarg_T *eap;
4666 {
4667 char_u *arg = eap->arg + 2;
4668 int *pp = NULL;
4669 #ifdef FEAT_MBYTE
4670 char_u *p;
4671 #endif
4672
4673 /* ":edit ++[no]bin[ary] file" */
4674 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4675 {
4676 if (*arg == 'n')
4677 {
4678 arg += 2;
4679 eap->force_bin = FORCE_NOBIN;
4680 }
4681 else
4682 eap->force_bin = FORCE_BIN;
4683 if (!checkforcmd(&arg, "binary", 3))
4684 return FAIL;
4685 eap->arg = skipwhite(arg);
4686 return OK;
4687 }
4688
4689 /* ":read ++edit file" */
4690 if (STRNCMP(arg, "edit", 4) == 0)
4691 {
4692 eap->read_edit = TRUE;
4693 eap->arg = skipwhite(arg + 4);
4694 return OK;
4695 }
4696
4697 if (STRNCMP(arg, "ff", 2) == 0)
4698 {
4699 arg += 2;
4700 pp = &eap->force_ff;
4701 }
4702 else if (STRNCMP(arg, "fileformat", 10) == 0)
4703 {
4704 arg += 10;
4705 pp = &eap->force_ff;
4706 }
4707 #ifdef FEAT_MBYTE
4708 else if (STRNCMP(arg, "enc", 3) == 0)
4709 {
4710 arg += 3;
4711 pp = &eap->force_enc;
4712 }
4713 else if (STRNCMP(arg, "encoding", 8) == 0)
4714 {
4715 arg += 8;
4716 pp = &eap->force_enc;
4717 }
4718 else if (STRNCMP(arg, "bad", 3) == 0)
4719 {
4720 arg += 3;
4721 pp = &eap->bad_char;
4722 }
4723 #endif
4724
4725 if (pp == NULL || *arg != '=')
4726 return FAIL;
4727
4728 ++arg;
4729 *pp = (int)(arg - eap->cmd);
4730 arg = skip_cmd_arg(arg, FALSE);
4731 eap->arg = skipwhite(arg);
4732 *arg = NUL;
4733
4734 #ifdef FEAT_MBYTE
4735 if (pp == &eap->force_ff)
4736 {
4737 #endif
4738 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4739 return FAIL;
4740 #ifdef FEAT_MBYTE
4741 }
4742 else if (pp == &eap->force_enc)
4743 {
4744 /* Make 'fileencoding' lower case. */
4745 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4746 *p = TOLOWER_ASC(*p);
4747 }
4748 else
4749 {
4750 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4751 * "drop". */
4752 p = eap->cmd + eap->bad_char;
4753 if (STRICMP(p, "keep") == 0)
4754 eap->bad_char = BAD_KEEP;
4755 else if (STRICMP(p, "drop") == 0)
4756 eap->bad_char = BAD_DROP;
4757 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4758 eap->bad_char = *p;
4759 else
4760 return FAIL;
4761 }
4762 #endif
4763
4764 return OK;
4765 }
4766
4767 /*
4768 * ":abbreviate" and friends.
4769 */
4770 static void
4771 ex_abbreviate(eap)
4772 exarg_T *eap;
4773 {
4774 do_exmap(eap, TRUE); /* almost the same as mapping */
4775 }
4776
4777 /*
4778 * ":map" and friends.
4779 */
4780 static void
4781 ex_map(eap)
4782 exarg_T *eap;
4783 {
4784 /*
4785 * If we are sourcing .exrc or .vimrc in current directory we
4786 * print the mappings for security reasons.
4787 */
4788 if (secure)
4789 {
4790 secure = 2;
4791 msg_outtrans(eap->cmd);
4792 msg_putchar('\n');
4793 }
4794 do_exmap(eap, FALSE);
4795 }
4796
4797 /*
4798 * ":unmap" and friends.
4799 */
4800 static void
4801 ex_unmap(eap)
4802 exarg_T *eap;
4803 {
4804 do_exmap(eap, FALSE);
4805 }
4806
4807 /*
4808 * ":mapclear" and friends.
4809 */
4810 static void
4811 ex_mapclear(eap)
4812 exarg_T *eap;
4813 {
4814 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4815 }
4816
4817 /*
4818 * ":abclear" and friends.
4819 */
4820 static void
4821 ex_abclear(eap)
4822 exarg_T *eap;
4823 {
4824 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4825 }
4826
4827 #ifdef FEAT_AUTOCMD
4828 static void
4829 ex_autocmd(eap)
4830 exarg_T *eap;
4831 {
4832 /*
4833 * Disallow auto commands from .exrc and .vimrc in current
4834 * directory for security reasons.
4835 */
4836 if (secure)
4837 {
4838 secure = 2;
4839 eap->errmsg = e_curdir;
4840 }
4841 else if (eap->cmdidx == CMD_autocmd)
4842 do_autocmd(eap->arg, eap->forceit);
4843 else
4844 do_augroup(eap->arg, eap->forceit);
4845 }
4846
4847 /*
4848 * ":doautocmd": Apply the automatic commands to the current buffer.
4849 */
4850 static void
4851 ex_doautocmd(eap)
4852 exarg_T *eap;
4853 {
4854 (void)do_doautocmd(eap->arg, TRUE);
4855 do_modelines(0);
4856 }
4857 #endif
4858
4859 #ifdef FEAT_LISTCMDS
4860 /*
4861 * :[N]bunload[!] [N] [bufname] unload buffer
4862 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4863 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4864 */
4865 static void
4866 ex_bunload(eap)
4867 exarg_T *eap;
4868 {
4869 eap->errmsg = do_bufdel(
4870 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4871 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4872 : DOBUF_UNLOAD, eap->arg,
4873 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4874 }
4875
4876 /*
4877 * :[N]buffer [N] to buffer N
4878 * :[N]sbuffer [N] to buffer N
4879 */
4880 static void
4881 ex_buffer(eap)
4882 exarg_T *eap;
4883 {
4884 if (*eap->arg)
4885 eap->errmsg = e_trailing;
4886 else
4887 {
4888 if (eap->addr_count == 0) /* default is current buffer */
4889 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4890 else
4891 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4892 }
4893 }
4894
4895 /*
4896 * :[N]bmodified [N] to next mod. buffer
4897 * :[N]sbmodified [N] to next mod. buffer
4898 */
4899 static void
4900 ex_bmodified(eap)
4901 exarg_T *eap;
4902 {
4903 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4904 }
4905
4906 /*
4907 * :[N]bnext [N] to next buffer
4908 * :[N]sbnext [N] split and to next buffer
4909 */
4910 static void
4911 ex_bnext(eap)
4912 exarg_T *eap;
4913 {
4914 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4915 }
4916
4917 /*
4918 * :[N]bNext [N] to previous buffer
4919 * :[N]bprevious [N] to previous buffer
4920 * :[N]sbNext [N] split and to previous buffer
4921 * :[N]sbprevious [N] split and to previous buffer
4922 */
4923 static void
4924 ex_bprevious(eap)
4925 exarg_T *eap;
4926 {
4927 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4928 }
4929
4930 /*
4931 * :brewind to first buffer
4932 * :bfirst to first buffer
4933 * :sbrewind split and to first buffer
4934 * :sbfirst split and to first buffer
4935 */
4936 static void
4937 ex_brewind(eap)
4938 exarg_T *eap;
4939 {
4940 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4941 }
4942
4943 /*
4944 * :blast to last buffer
4945 * :sblast split and to last buffer
4946 */
4947 static void
4948 ex_blast(eap)
4949 exarg_T *eap;
4950 {
4951 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4952 }
4953 #endif
4954
4955 int
4956 ends_excmd(c)
4957 int c;
4958 {
4959 return (c == NUL || c == '|' || c == '"' || c == '\n');
4960 }
4961
4962 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4963 || defined(PROTO)
4964 /*
4965 * Return the next command, after the first '|' or '\n'.
4966 * Return NULL if not found.
4967 */
4968 char_u *
4969 find_nextcmd(p)
4970 char_u *p;
4971 {
4972 while (*p != '|' && *p != '\n')
4973 {
4974 if (*p == NUL)
4975 return NULL;
4976 ++p;
4977 }
4978 return (p + 1);
4979 }
4980 #endif
4981
4982 /*
4983 * Check if *p is a separator between Ex commands.
4984 * Return NULL if it isn't, (p + 1) if it is.
4985 */
4986 char_u *
4987 check_nextcmd(p)
4988 char_u *p;
4989 {
4990 p = skipwhite(p);
4991 if (*p == '|' || *p == '\n')
4992 return (p + 1);
4993 else
4994 return NULL;
4995 }
4996
4997 /*
4998 * - if there are more files to edit
4999 * - and this is the last window
5000 * - and forceit not used
5001 * - and not repeated twice on a row
5002 * return FAIL and give error message if 'message' TRUE
5003 * return OK otherwise
5004 */
5005 static int
5006 check_more(message, forceit)
5007 int message; /* when FALSE check only, no messages */
5008 int forceit;
5009 {
5010 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5011
5012 if (!forceit && only_one_window()
5013 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5014 {
5015 if (message)
5016 {
5017 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5018 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5019 {
5020 char_u buff[IOSIZE];
5021
5022 if (n == 1)
5023 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5024 else
5025 vim_snprintf((char *)buff, IOSIZE,
5026 _("%d more files to edit. Quit anyway?"), n);
5027 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5028 return OK;
5029 return FAIL;
5030 }
5031 #endif
5032 if (n == 1)
5033 EMSG(_("E173: 1 more file to edit"));
5034 else
5035 EMSGN(_("E173: %ld more files to edit"), n);
5036 quitmore = 2; /* next try to quit is allowed */
5037 }
5038 return FAIL;
5039 }
5040 return OK;
5041 }
5042
5043 #ifdef FEAT_CMDL_COMPL
5044 /*
5045 * Function given to ExpandGeneric() to obtain the list of command names.
5046 */
5047 /*ARGSUSED*/
5048 char_u *
5049 get_command_name(xp, idx)
5050 expand_T *xp;
5051 int idx;
5052 {
5053 if (idx >= (int)CMD_SIZE)
5054 # ifdef FEAT_USR_CMDS
5055 return get_user_command_name(idx);
5056 # else
5057 return NULL;
5058 # endif
5059 return cmdnames[idx].cmd_name;
5060 }
5061 #endif
5062
5063 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5064 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));
5065 static void uc_list __ARGS((char_u *name, size_t name_len));
5066 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5067 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5068 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));
5069
5070 static int
5071 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5072 char_u *name;
5073 size_t name_len;
5074 char_u *rep;
5075 long argt;
5076 long def;
5077 int flags;
5078 int compl;
5079 char_u *compl_arg;
5080 int force;
5081 {
5082 ucmd_T *cmd = NULL;
5083 char_u *p;
5084 int i;
5085 int cmp = 1;
5086 char_u *rep_buf = NULL;
5087 garray_T *gap;
5088
5089 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5090 if (rep_buf == NULL)
5091 {
5092 /* Can't replace termcodes - try using the string as is */
5093 rep_buf = vim_strsave(rep);
5094
5095 /* Give up if out of memory */
5096 if (rep_buf == NULL)
5097 return FAIL;
5098 }
5099
5100 /* get address of growarray: global or in curbuf */
5101 if (flags & UC_BUFFER)
5102 {
5103 gap = &curbuf->b_ucmds;
5104 if (gap->ga_itemsize == 0)
5105 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5106 }
5107 else
5108 gap = &ucmds;
5109
5110 /* Search for the command in the already defined commands. */
5111 for (i = 0; i < gap->ga_len; ++i)
5112 {
5113 size_t len;
5114
5115 cmd = USER_CMD_GA(gap, i);
5116 len = STRLEN(cmd->uc_name);
5117 cmp = STRNCMP(name, cmd->uc_name, name_len);
5118 if (cmp == 0)
5119 {
5120 if (name_len < len)
5121 cmp = -1;
5122 else if (name_len > len)
5123 cmp = 1;
5124 }
5125
5126 if (cmp == 0)
5127 {
5128 if (!force)
5129 {
5130 EMSG(_("E174: Command already exists: add ! to replace it"));
5131 goto fail;
5132 }
5133
5134 vim_free(cmd->uc_rep);
5135 cmd->uc_rep = 0;
5136 break;
5137 }
5138
5139 /* Stop as soon as we pass the name to add */
5140 if (cmp < 0)
5141 break;
5142 }
5143
5144 /* Extend the array unless we're replacing an existing command */
5145 if (cmp != 0)
5146 {
5147 if (ga_grow(gap, 1) != OK)
5148 goto fail;
5149 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5150 goto fail;
5151
5152 cmd = USER_CMD_GA(gap, i);
5153 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5154
5155 ++gap->ga_len;
5156
5157 cmd->uc_name = p;
5158 }
5159
5160 cmd->uc_rep = rep_buf;
5161 cmd->uc_argt = argt;
5162 cmd->uc_def = def;
5163 cmd->uc_compl = compl;
5164 #ifdef FEAT_EVAL
5165 cmd->uc_scriptID = current_SID;
5166 # ifdef FEAT_CMDL_COMPL
5167 cmd->uc_compl_arg = compl_arg;
5168 # endif
5169 #endif
5170
5171 return OK;
5172
5173 fail:
5174 vim_free(rep_buf);
5175 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5176 vim_free(compl_arg);
5177 #endif
5178 return FAIL;
5179 }
5180
5181 /*
5182 * List of names for completion for ":command" with the EXPAND_ flag.
5183 * Must be alphabetical for completion.
5184 */
5185 static struct
5186 {
5187 int expand;
5188 char *name;
5189 } command_complete[] =
5190 {
5191 {EXPAND_AUGROUP, "augroup"},
5192 {EXPAND_BUFFERS, "buffer"},
5193 {EXPAND_COMMANDS, "command"},
5194 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5195 {EXPAND_USER_DEFINED, "custom"},
5196 {EXPAND_USER_LIST, "customlist"},
5197 #endif
5198 {EXPAND_DIRECTORIES, "dir"},
5199 {EXPAND_ENV_VARS, "environment"},
5200 {EXPAND_EVENTS, "event"},
5201 {EXPAND_EXPRESSION, "expression"},
5202 {EXPAND_FILES, "file"},
5203 {EXPAND_FUNCTIONS, "function"},
5204 {EXPAND_HELP, "help"},
5205 {EXPAND_HIGHLIGHT, "highlight"},
5206 {EXPAND_MAPPINGS, "mapping"},
5207 {EXPAND_MENUS, "menu"},
5208 {EXPAND_SETTINGS, "option"},
5209 {EXPAND_SHELLCMD, "shellcmd"},
5210 {EXPAND_TAGS, "tag"},
5211 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5212 {EXPAND_USER_VARS, "var"},
5213 {0, NULL}
5214 };
5215
5216 static void
5217 uc_list(name, name_len)
5218 char_u *name;
5219 size_t name_len;
5220 {
5221 int i, j;
5222 int found = FALSE;
5223 ucmd_T *cmd;
5224 int len;
5225 long a;
5226 garray_T *gap;
5227
5228 gap = &curbuf->b_ucmds;
5229 for (;;)
5230 {
5231 for (i = 0; i < gap->ga_len; ++i)
5232 {
5233 cmd = USER_CMD_GA(gap, i);
5234 a = (long)cmd->uc_argt;
5235
5236 /* Skip commands which don't match the requested prefix */
5237 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5238 continue;
5239
5240 /* Put out the title first time */
5241 if (!found)
5242 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5243 found = TRUE;
5244 msg_putchar('\n');
5245 if (got_int)
5246 break;
5247
5248 /* Special cases */
5249 msg_putchar(a & BANG ? '!' : ' ');
5250 msg_putchar(a & REGSTR ? '"' : ' ');
5251 msg_putchar(gap != &ucmds ? 'b' : ' ');
5252 msg_putchar(' ');
5253
5254 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5255 len = (int)STRLEN(cmd->uc_name) + 4;
5256
5257 do {
5258 msg_putchar(' ');
5259 ++len;
5260 } while (len < 16);
5261
5262 len = 0;
5263
5264 /* Arguments */
5265 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5266 {
5267 case 0: IObuff[len++] = '0'; break;
5268 case (EXTRA): IObuff[len++] = '*'; break;
5269 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5270 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5271 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5272 }
5273
5274 do {
5275 IObuff[len++] = ' ';
5276 } while (len < 5);
5277
5278 /* Range */
5279 if (a & (RANGE|COUNT))
5280 {
5281 if (a & COUNT)
5282 {
5283 /* -count=N */
5284 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5285 len += (int)STRLEN(IObuff + len);
5286 }
5287 else if (a & DFLALL)
5288 IObuff[len++] = '%';
5289 else if (cmd->uc_def >= 0)
5290 {
5291 /* -range=N */
5292 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5293 len += (int)STRLEN(IObuff + len);
5294 }
5295 else
5296 IObuff[len++] = '.';
5297 }
5298
5299 do {
5300 IObuff[len++] = ' ';
5301 } while (len < 11);
5302
5303 /* Completion */
5304 for (j = 0; command_complete[j].expand != 0; ++j)
5305 if (command_complete[j].expand == cmd->uc_compl)
5306 {
5307 STRCPY(IObuff + len, command_complete[j].name);
5308 len += (int)STRLEN(IObuff + len);
5309 break;
5310 }
5311
5312 do {
5313 IObuff[len++] = ' ';
5314 } while (len < 21);
5315
5316 IObuff[len] = '\0';
5317 msg_outtrans(IObuff);
5318
5319 msg_outtrans_special(cmd->uc_rep, FALSE);
5320 #ifdef FEAT_EVAL
5321 if (p_verbose > 0)
5322 last_set_msg(cmd->uc_scriptID);
5323 #endif
5324 out_flush();
5325 ui_breakcheck();
5326 if (got_int)
5327 break;
5328 }
5329 if (gap == &ucmds || i < gap->ga_len)
5330 break;
5331 gap = &ucmds;
5332 }
5333
5334 if (!found)
5335 MSG(_("No user-defined commands found"));
5336 }
5337
5338 static char_u *
5339 uc_fun_cmd()
5340 {
5341 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5342 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5343 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5344 0xb9, 0x7f, 0};
5345 int i;
5346
5347 for (i = 0; fcmd[i]; ++i)
5348 IObuff[i] = fcmd[i] - 0x40;
5349 IObuff[i] = 0;
5350 return IObuff;
5351 }
5352
5353 static int
5354 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5355 char_u *attr;
5356 size_t len;
5357 long *argt;
5358 long *def;
5359 int *flags;
5360 int *compl;
5361 char_u **compl_arg;
5362 {
5363 char_u *p;
5364
5365 if (len == 0)
5366 {
5367 EMSG(_("E175: No attribute specified"));
5368 return FAIL;
5369 }
5370
5371 /* First, try the simple attributes (no arguments) */
5372 if (STRNICMP(attr, "bang", len) == 0)
5373 *argt |= BANG;
5374 else if (STRNICMP(attr, "buffer", len) == 0)
5375 *flags |= UC_BUFFER;
5376 else if (STRNICMP(attr, "register", len) == 0)
5377 *argt |= REGSTR;
5378 else if (STRNICMP(attr, "bar", len) == 0)
5379 *argt |= TRLBAR;
5380 else
5381 {
5382 int i;
5383 char_u *val = NULL;
5384 size_t vallen = 0;
5385 size_t attrlen = len;
5386
5387 /* Look for the attribute name - which is the part before any '=' */
5388 for (i = 0; i < (int)len; ++i)
5389 {
5390 if (attr[i] == '=')
5391 {
5392 val = &attr[i + 1];
5393 vallen = len - i - 1;
5394 attrlen = i;
5395 break;
5396 }
5397 }
5398
5399 if (STRNICMP(attr, "nargs", attrlen) == 0)
5400 {
5401 if (vallen == 1)
5402 {
5403 if (*val == '0')
5404 /* Do nothing - this is the default */;
5405 else if (*val == '1')
5406 *argt |= (EXTRA | NOSPC | NEEDARG);
5407 else if (*val == '*')
5408 *argt |= EXTRA;
5409 else if (*val == '?')
5410 *argt |= (EXTRA | NOSPC);
5411 else if (*val == '+')
5412 *argt |= (EXTRA | NEEDARG);
5413 else
5414 goto wrong_nargs;
5415 }
5416 else
5417 {
5418 wrong_nargs:
5419 EMSG(_("E176: Invalid number of arguments"));
5420 return FAIL;
5421 }
5422 }
5423 else if (STRNICMP(attr, "range", attrlen) == 0)
5424 {
5425 *argt |= RANGE;
5426 if (vallen == 1 && *val == '%')
5427 *argt |= DFLALL;
5428 else if (val != NULL)
5429 {
5430 p = val;
5431 if (*def >= 0)
5432 {
5433 two_count:
5434 EMSG(_("E177: Count cannot be specified twice"));
5435 return FAIL;
5436 }
5437
5438 *def = getdigits(&p);
5439 *argt |= (ZEROR | NOTADR);
5440
5441 if (p != val + vallen || vallen == 0)
5442 {
5443 invalid_count:
5444 EMSG(_("E178: Invalid default value for count"));
5445 return FAIL;
5446 }
5447 }
5448 }
5449 else if (STRNICMP(attr, "count", attrlen) == 0)
5450 {
5451 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5452
5453 if (val != NULL)
5454 {
5455 p = val;
5456 if (*def >= 0)
5457 goto two_count;
5458
5459 *def = getdigits(&p);
5460
5461 if (p != val + vallen)
5462 goto invalid_count;
5463 }
5464
5465 if (*def < 0)
5466 *def = 0;
5467 }
5468 else if (STRNICMP(attr, "complete", attrlen) == 0)
5469 {
5470 if (val == NULL)
5471 {
5472 EMSG(_("E179: argument required for -complete"));
5473 return FAIL;
5474 }
5475
5476 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5477 == FAIL)
5478 return FAIL;
5479 }
5480 else
5481 {
5482 char_u ch = attr[len];
5483 attr[len] = '\0';
5484 EMSG2(_("E181: Invalid attribute: %s"), attr);
5485 attr[len] = ch;
5486 return FAIL;
5487 }
5488 }
5489
5490 return OK;
5491 }
5492
5493 static void
5494 ex_command(eap)
5495 exarg_T *eap;
5496 {
5497 char_u *name;
5498 char_u *end;
5499 char_u *p;
5500 long argt = 0;
5501 long def = -1;
5502 int flags = 0;
5503 int compl = EXPAND_NOTHING;
5504 char_u *compl_arg = NULL;
5505 int has_attr = (eap->arg[0] == '-');
5506
5507 p = eap->arg;
5508
5509 /* Check for attributes */
5510 while (*p == '-')
5511 {
5512 ++p;
5513 end = skiptowhite(p);
5514 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5515 == FAIL)
5516 return;
5517 p = skipwhite(end);
5518 }
5519
5520 /* Get the name (if any) and skip to the following argument */
5521 name = p;
5522 if (ASCII_ISALPHA(*p))
5523 while (ASCII_ISALNUM(*p))
5524 ++p;
5525 if (!ends_excmd(*p) && !vim_iswhite(*p))
5526 {
5527 EMSG(_("E182: Invalid command name"));
5528 return;
5529 }
5530 end = p;
5531
5532 /* If there is nothing after the name, and no attributes were specified,
5533 * we are listing commands
5534 */
5535 p = skipwhite(end);
5536 if (!has_attr && ends_excmd(*p))
5537 {
5538 uc_list(name, end - name);
5539 }
5540 else if (!ASCII_ISUPPER(*name))
5541 {
5542 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5543 return;
5544 }
5545 else
5546 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5547 eap->forceit);
5548 }
5549
5550 /*
5551 * ":comclear"
5552 * Clear all user commands, global and for current buffer.
5553 */
5554 /*ARGSUSED*/
5555 void
5556 ex_comclear(eap)
5557 exarg_T *eap;
5558 {
5559 uc_clear(&ucmds);
5560 uc_clear(&curbuf->b_ucmds);
5561 }
5562
5563 /*
5564 * Clear all user commands for "gap".
5565 */
5566 void
5567 uc_clear(gap)
5568 garray_T *gap;
5569 {
5570 int i;
5571 ucmd_T *cmd;
5572
5573 for (i = 0; i < gap->ga_len; ++i)
5574 {
5575 cmd = USER_CMD_GA(gap, i);
5576 vim_free(cmd->uc_name);
5577 vim_free(cmd->uc_rep);
5578 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5579 vim_free(cmd->uc_compl_arg);
5580 # endif
5581 }
5582 ga_clear(gap);
5583 }
5584
5585 static void
5586 ex_delcommand(eap)
5587 exarg_T *eap;
5588 {
5589 int i = 0;
5590 ucmd_T *cmd = NULL;
5591 int cmp = -1;
5592 garray_T *gap;
5593
5594 gap = &curbuf->b_ucmds;
5595 for (;;)
5596 {
5597 for (i = 0; i < gap->ga_len; ++i)
5598 {
5599 cmd = USER_CMD_GA(gap, i);
5600 cmp = STRCMP(eap->arg, cmd->uc_name);
5601 if (cmp <= 0)
5602 break;
5603 }
5604 if (gap == &ucmds || cmp == 0)
5605 break;
5606 gap = &ucmds;
5607 }
5608
5609 if (cmp != 0)
5610 {
5611 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5612 return;
5613 }
5614
5615 vim_free(cmd->uc_name);
5616 vim_free(cmd->uc_rep);
5617 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5618 vim_free(cmd->uc_compl_arg);
5619 # endif
5620
5621 --gap->ga_len;
5622
5623 if (i < gap->ga_len)
5624 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5625 }
5626
5627 /*
5628 * split and quote args for <f-args>
5629 */
5630 static char_u *
5631 uc_split_args(arg, lenp)
5632 char_u *arg;
5633 size_t *lenp;
5634 {
5635 char_u *buf;
5636 char_u *p;
5637 char_u *q;
5638 int len;
5639
5640 /* Precalculate length */
5641 p = arg;
5642 len = 2; /* Initial and final quotes */
5643
5644 while (*p)
5645 {
5646 if (p[0] == '\\' && p[1] == '\\')
5647 {
5648 len += 2;
5649 p += 2;
5650 }
5651 else if (p[0] == '\\' && vim_iswhite(p[1]))
5652 {
5653 len += 1;
5654 p += 2;
5655 }
5656 else if (*p == '\\' || *p == '"')
5657 {
5658 len += 2;
5659 p += 1;
5660 }
5661 else if (vim_iswhite(*p))
5662 {
5663 p = skipwhite(p);
5664 if (*p == NUL)
5665 break;
5666 len += 3; /* "," */
5667 }
5668 else
5669 {
5670 ++len;
5671 ++p;
5672 }
5673 }
5674
5675 buf = alloc(len + 1);
5676 if (buf == NULL)
5677 {
5678 *lenp = 0;
5679 return buf;
5680 }
5681
5682 p = arg;
5683 q = buf;
5684 *q++ = '"';
5685 while (*p)
5686 {
5687 if (p[0] == '\\' && p[1] == '\\')
5688 {
5689 *q++ = '\\';
5690 *q++ = '\\';
5691 p += 2;
5692 }
5693 else if (p[0] == '\\' && vim_iswhite(p[1]))
5694 {
5695 *q++ = p[1];
5696 p += 2;
5697 }
5698 else if (*p == '\\' || *p == '"')
5699 {
5700 *q++ = '\\';
5701 *q++ = *p++;
5702 }
5703 else if (vim_iswhite(*p))
5704 {
5705 p = skipwhite(p);
5706 if (*p == NUL)
5707 break;
5708 *q++ = '"';
5709 *q++ = ',';
5710 *q++ = '"';
5711 }
5712 else
5713 {
5714 *q++ = *p++;
5715 }
5716 }
5717 *q++ = '"';
5718 *q = 0;
5719
5720 *lenp = len;
5721 return buf;
5722 }
5723
5724 /*
5725 * Check for a <> code in a user command.
5726 * "code" points to the '<'. "len" the length of the <> (inclusive).
5727 * "buf" is where the result is to be added.
5728 * "split_buf" points to a buffer used for splitting, caller should free it.
5729 * "split_len" is the length of what "split_buf" contains.
5730 * Returns the length of the replacement, which has been added to "buf".
5731 * Returns -1 if there was no match, and only the "<" has been copied.
5732 */
5733 static size_t
5734 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5735 char_u *code;
5736 size_t len;
5737 char_u *buf;
5738 ucmd_T *cmd; /* the user command we're expanding */
5739 exarg_T *eap; /* ex arguments */
5740 char_u **split_buf;
5741 size_t *split_len;
5742 {
5743 size_t result = 0;
5744 char_u *p = code + 1;
5745 size_t l = len - 2;
5746 int quote = 0;
5747 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5748 ct_LT, ct_NONE } type = ct_NONE;
5749
5750 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5751 {
5752 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5753 p += 2;
5754 l -= 2;
5755 }
5756
5757 ++l;
5758 if (l <= 1)
5759 type = ct_NONE;
5760 else if (STRNICMP(p, "args>", l) == 0)
5761 type = ct_ARGS;
5762 else if (STRNICMP(p, "bang>", l) == 0)
5763 type = ct_BANG;
5764 else if (STRNICMP(p, "count>", l) == 0)
5765 type = ct_COUNT;
5766 else if (STRNICMP(p, "line1>", l) == 0)
5767 type = ct_LINE1;
5768 else if (STRNICMP(p, "line2>", l) == 0)
5769 type = ct_LINE2;
5770 else if (STRNICMP(p, "lt>", l) == 0)
5771 type = ct_LT;
5772 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5773 type = ct_REGISTER;
5774
5775 switch (type)
5776 {
5777 case ct_ARGS:
5778 /* Simple case first */
5779 if (*eap->arg == NUL)
5780 {
5781 if (quote == 1)
5782 {
5783 result = 2;
5784 if (buf != NULL)
5785 STRCPY(buf, "''");
5786 }
5787 else
5788 result = 0;
5789 break;
5790 }
5791
5792 /* When specified there is a single argument don't split it.
5793 * Works for ":Cmd %" when % is "a b c". */
5794 if ((eap->argt & NOSPC) && quote == 2)
5795 quote = 1;
5796
5797 switch (quote)
5798 {
5799 case 0: /* No quoting, no splitting */
5800 result = STRLEN(eap->arg);
5801 if (buf != NULL)
5802 STRCPY(buf, eap->arg);
5803 break;
5804 case 1: /* Quote, but don't split */
5805 result = STRLEN(eap->arg) + 2;
5806 for (p = eap->arg; *p; ++p)
5807 {
5808 if (*p == '\\' || *p == '"')
5809 ++result;
5810 }
5811
5812 if (buf != NULL)
5813 {
5814 *buf++ = '"';
5815 for (p = eap->arg; *p; ++p)
5816 {
5817 if (*p == '\\' || *p == '"')
5818 *buf++ = '\\';
5819 *buf++ = *p;
5820 }
5821 *buf = '"';
5822 }
5823
5824 break;
5825 case 2: /* Quote and split (<f-args>) */
5826 /* This is hard, so only do it once, and cache the result */
5827 if (*split_buf == NULL)
5828 *split_buf = uc_split_args(eap->arg, split_len);
5829
5830 result = *split_len;
5831 if (buf != NULL && result != 0)
5832 STRCPY(buf, *split_buf);
5833
5834 break;
5835 }
5836 break;
5837
5838 case ct_BANG:
5839 result = eap->forceit ? 1 : 0;
5840 if (quote)
5841 result += 2;
5842 if (buf != NULL)
5843 {
5844 if (quote)
5845 *buf++ = '"';
5846 if (eap->forceit)
5847 *buf++ = '!';
5848 if (quote)
5849 *buf = '"';
5850 }
5851 break;
5852
5853 case ct_LINE1:
5854 case ct_LINE2:
5855 case ct_COUNT:
5856 {
5857 char num_buf[20];
5858 long num = (type == ct_LINE1) ? eap->line1 :
5859 (type == ct_LINE2) ? eap->line2 :
5860 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5861 size_t num_len;
5862
5863 sprintf(num_buf, "%ld", num);
5864 num_len = STRLEN(num_buf);
5865 result = num_len;
5866
5867 if (quote)
5868 result += 2;
5869
5870 if (buf != NULL)
5871 {
5872 if (quote)
5873 *buf++ = '"';
5874 STRCPY(buf, num_buf);
5875 buf += num_len;
5876 if (quote)
5877 *buf = '"';
5878 }
5879
5880 break;
5881 }
5882
5883 case ct_REGISTER:
5884 result = eap->regname ? 1 : 0;
5885 if (quote)
5886 result += 2;
5887 if (buf != NULL)
5888 {
5889 if (quote)
5890 *buf++ = '\'';
5891 if (eap->regname)
5892 *buf++ = eap->regname;
5893 if (quote)
5894 *buf = '\'';
5895 }
5896 break;
5897
5898 case ct_LT:
5899 result = 1;
5900 if (buf != NULL)
5901 *buf = '<';
5902 break;
5903
5904 default:
5905 /* Not recognized: just copy the '<' and return -1. */
5906 result = (size_t)-1;
5907 if (buf != NULL)
5908 *buf = '<';
5909 break;
5910 }
5911
5912 return result;
5913 }
5914
5915 static void
5916 do_ucmd(eap)
5917 exarg_T *eap;
5918 {
5919 char_u *buf;
5920 char_u *p;
5921 char_u *q;
5922
5923 char_u *start;
5924 char_u *end;
5925 size_t len, totlen;
5926
5927 size_t split_len = 0;
5928 char_u *split_buf = NULL;
5929 ucmd_T *cmd;
5930 #ifdef FEAT_EVAL
5931 scid_T save_current_SID = current_SID;
5932 #endif
5933
5934 if (eap->cmdidx == CMD_USER)
5935 cmd = USER_CMD(eap->useridx);
5936 else
5937 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5938
5939 /*
5940 * Replace <> in the command by the arguments.
5941 */
5942 buf = NULL;
5943 for (;;)
5944 {
5945 p = cmd->uc_rep;
5946 q = buf;
5947 totlen = 0;
5948 while ((start = vim_strchr(p, '<')) != NULL
5949 && (end = vim_strchr(start + 1, '>')) != NULL)
5950 {
5951 /* Include the '>' */
5952 ++end;
5953
5954 /* Take everything up to the '<' */
5955 len = start - p;
5956 if (buf == NULL)
5957 totlen += len;
5958 else
5959 {
5960 mch_memmove(q, p, len);
5961 q += len;
5962 }
5963
5964 len = uc_check_code(start, end - start, q, cmd, eap,
5965 &split_buf, &split_len);
5966 if (len == (size_t)-1)
5967 {
5968 /* no match, continue after '<' */
5969 p = start + 1;
5970 len = 1;
5971 }
5972 else
5973 p = end;
5974 if (buf == NULL)
5975 totlen += len;
5976 else
5977 q += len;
5978 }
5979 if (buf != NULL) /* second time here, finished */
5980 {
5981 STRCPY(q, p);
5982 break;
5983 }
5984
5985 totlen += STRLEN(p); /* Add on the trailing characters */
5986 buf = alloc((unsigned)(totlen + 1));
5987 if (buf == NULL)
5988 {
5989 vim_free(split_buf);
5990 return;
5991 }
5992 }
5993
5994 #ifdef FEAT_EVAL
5995 current_SID = cmd->uc_scriptID;
5996 #endif
5997 (void)do_cmdline(buf, eap->getline, eap->cookie,
5998 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5999 #ifdef FEAT_EVAL
6000 current_SID = save_current_SID;
6001 #endif
6002 vim_free(buf);
6003 vim_free(split_buf);
6004 }
6005
6006 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6007 static char_u *
6008 get_user_command_name(idx)
6009 int idx;
6010 {
6011 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6012 }
6013
6014 /*
6015 * Function given to ExpandGeneric() to obtain the list of user command names.
6016 */
6017 /*ARGSUSED*/
6018 char_u *
6019 get_user_commands(xp, idx)
6020 expand_T *xp;
6021 int idx;
6022 {
6023 if (idx < curbuf->b_ucmds.ga_len)
6024 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6025 idx -= curbuf->b_ucmds.ga_len;
6026 if (idx < ucmds.ga_len)
6027 return USER_CMD(idx)->uc_name;
6028 return NULL;
6029 }
6030
6031 /*
6032 * Function given to ExpandGeneric() to obtain the list of user command
6033 * attributes.
6034 */
6035 /*ARGSUSED*/
6036 char_u *
6037 get_user_cmd_flags(xp, idx)
6038 expand_T *xp;
6039 int idx;
6040 {
6041 static char *user_cmd_flags[] =
6042 {"bang", "bar", "buffer", "complete", "count",
6043 "nargs", "range", "register"};
6044
6045 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6046 return NULL;
6047 return (char_u *)user_cmd_flags[idx];
6048 }
6049
6050 /*
6051 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6052 */
6053 /*ARGSUSED*/
6054 char_u *
6055 get_user_cmd_nargs(xp, idx)
6056 expand_T *xp;
6057 int idx;
6058 {
6059 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6060
6061 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6062 return NULL;
6063 return (char_u *)user_cmd_nargs[idx];
6064 }
6065
6066 /*
6067 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6068 */
6069 /*ARGSUSED*/
6070 char_u *
6071 get_user_cmd_complete(xp, idx)
6072 expand_T *xp;
6073 int idx;
6074 {
6075 return (char_u *)command_complete[idx].name;
6076 }
6077 # endif /* FEAT_CMDL_COMPL */
6078
6079 #endif /* FEAT_USR_CMDS */
6080
6081 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6082 /*
6083 * Parse a completion argument "value[vallen]".
6084 * The detected completion goes in "*complp", argument type in "*argt".
6085 * When there is an argument, for function and user defined completion, it's
6086 * copied to allocated memory and stored in "*compl_arg".
6087 * Returns FAIL if something is wrong.
6088 */
6089 int
6090 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6091 char_u *value;
6092 int vallen;
6093 int *complp;
6094 long *argt;
6095 char_u **compl_arg;
6096 {
6097 char_u *arg = NULL;
6098 size_t arglen = 0;
6099 int i;
6100 int valend = vallen;
6101
6102 /* Look for any argument part - which is the part after any ',' */
6103 for (i = 0; i < vallen; ++i)
6104 {
6105 if (value[i] == ',')
6106 {
6107 arg = &value[i + 1];
6108 arglen = vallen - i - 1;
6109 valend = i;
6110 break;
6111 }
6112 }
6113
6114 for (i = 0; command_complete[i].expand != 0; ++i)
6115 {
6116 if ((int)STRLEN(command_complete[i].name) == valend
6117 && STRNCMP(value, command_complete[i].name, valend) == 0)
6118 {
6119 *complp = command_complete[i].expand;
6120 if (command_complete[i].expand == EXPAND_BUFFERS)
6121 *argt |= BUFNAME;
6122 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6123 || command_complete[i].expand == EXPAND_FILES)
6124 *argt |= XFILE;
6125 break;
6126 }
6127 }
6128
6129 if (command_complete[i].expand == 0)
6130 {
6131 EMSG2(_("E180: Invalid complete value: %s"), value);
6132 return FAIL;
6133 }
6134
6135 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6136 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6137 && arg != NULL)
6138 # else
6139 if (arg != NULL)
6140 # endif
6141 {
6142 EMSG(_("E468: Completion argument only allowed for custom completion"));
6143 return FAIL;
6144 }
6145
6146 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6147 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6148 && arg == NULL)
6149 {
6150 EMSG(_("E467: Custom completion requires a function argument"));
6151 return FAIL;
6152 }
6153
6154 if (arg != NULL)
6155 *compl_arg = vim_strnsave(arg, (int)arglen);
6156 # endif
6157 return OK;
6158 }
6159 #endif
6160
6161 static void
6162 ex_colorscheme(eap)
6163 exarg_T *eap;
6164 {
6165 if (load_colors(eap->arg) == FAIL)
6166 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6167 }
6168
6169 static void
6170 ex_highlight(eap)
6171 exarg_T *eap;
6172 {
6173 if (*eap->arg == NUL && eap->cmd[2] == '!')
6174 MSG(_("Greetings, Vim user!"));
6175 do_highlight(eap->arg, eap->forceit, FALSE);
6176 }
6177
6178
6179 /*
6180 * Call this function if we thought we were going to exit, but we won't
6181 * (because of an error). May need to restore the terminal mode.
6182 */
6183 void
6184 not_exiting()
6185 {
6186 exiting = FALSE;
6187 settmode(TMODE_RAW);
6188 }
6189
6190 /*
6191 * ":quit": quit current window, quit Vim if closed the last window.
6192 */
6193 static void
6194 ex_quit(eap)
6195 exarg_T *eap;
6196 {
6197 #ifdef FEAT_CMDWIN
6198 if (cmdwin_type != 0)
6199 {
6200 cmdwin_result = Ctrl_C;
6201 return;
6202 }
6203 #endif
6204 /* Don't quit while editing the command line. */
6205 if (text_locked())
6206 {
6207 text_locked_msg();
6208 return;
6209 }
6210 #ifdef FEAT_AUTOCMD
6211 if (curbuf_locked())
6212 return;
6213 #endif
6214
6215 #ifdef FEAT_NETBEANS_INTG
6216 netbeansForcedQuit = eap->forceit;
6217 #endif
6218
6219 /*
6220 * If there are more files or windows we won't exit.
6221 */
6222 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6223 exiting = TRUE;
6224 if ((!P_HID(curbuf)
6225 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6226 || check_more(TRUE, eap->forceit) == FAIL
6227 || (only_one_window() && check_changed_any(eap->forceit)))
6228 {
6229 not_exiting();
6230 }
6231 else
6232 {
6233 #ifdef FEAT_WINDOWS
6234 if (only_one_window()) /* quit last window */
6235 #endif
6236 getout(0);
6237 #ifdef FEAT_WINDOWS
6238 # ifdef FEAT_GUI
6239 need_mouse_correct = TRUE;
6240 # endif
6241 /* close window; may free buffer */
6242 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6243 #endif
6244 }
6245 }
6246
6247 /*
6248 * ":cquit".
6249 */
6250 /*ARGSUSED*/
6251 static void
6252 ex_cquit(eap)
6253 exarg_T *eap;
6254 {
6255 getout(1); /* this does not always pass on the exit code to the Manx
6256 compiler. why? */
6257 }
6258
6259 /*
6260 * ":qall": try to quit all windows
6261 */
6262 static void
6263 ex_quit_all(eap)
6264 exarg_T *eap;
6265 {
6266 # ifdef FEAT_CMDWIN
6267 if (cmdwin_type != 0)
6268 {
6269 if (eap->forceit)
6270 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6271 else
6272 cmdwin_result = K_XF2;
6273 return;
6274 }
6275 # endif
6276
6277 /* Don't quit while editing the command line. */
6278 if (text_locked())
6279 {
6280 text_locked_msg();
6281 return;
6282 }
6283 #ifdef FEAT_AUTOCMD
6284 if (curbuf_locked())
6285 return;
6286 #endif
6287
6288 exiting = TRUE;
6289 if (eap->forceit || !check_changed_any(FALSE))
6290 getout(0);
6291 not_exiting();
6292 }
6293
6294 #if defined(FEAT_WINDOWS) || defined(PROTO)
6295 /*
6296 * ":close": close current window, unless it is the last one
6297 */
6298 static void
6299 ex_close(eap)
6300 exarg_T *eap;
6301 {
6302 # ifdef FEAT_CMDWIN
6303 if (cmdwin_type != 0)
6304 cmdwin_result = K_IGNORE;
6305 else
6306 # endif
6307 if (!text_locked()
6308 #ifdef FEAT_AUTOCMD
6309 && !curbuf_locked()
6310 #endif
6311 )
6312 ex_win_close(eap->forceit, curwin, NULL);
6313 }
6314
6315 # ifdef FEAT_QUICKFIX
6316 /*
6317 * ":pclose": Close any preview window.
6318 */
6319 static void
6320 ex_pclose(eap)
6321 exarg_T *eap;
6322 {
6323 win_T *win;
6324
6325 for (win = firstwin; win != NULL; win = win->w_next)
6326 if (win->w_p_pvw)
6327 {
6328 ex_win_close(eap->forceit, win, NULL);
6329 break;
6330 }
6331 }
6332 # endif
6333
6334 /*
6335 * Close window "win" and take care of handling closing the last window for a
6336 * modified buffer.
6337 */
6338 static void
6339 ex_win_close(forceit, win, tp)
6340 int forceit;
6341 win_T *win;
6342 tabpage_T *tp; /* NULL or the tab page "win" is in */
6343 {
6344 int need_hide;
6345 buf_T *buf = win->w_buffer;
6346
6347 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6348 if (need_hide && !P_HID(buf) && !forceit)
6349 {
6350 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6351 if ((p_confirm || cmdmod.confirm) && p_write)
6352 {
6353 dialog_changed(buf, FALSE);
6354 if (buf_valid(buf) && bufIsChanged(buf))
6355 return;
6356 need_hide = FALSE;
6357 }
6358 else
6359 # endif
6360 {
6361 EMSG(_(e_nowrtmsg));
6362 return;
6363 }
6364 }
6365
6366 # ifdef FEAT_GUI
6367 need_mouse_correct = TRUE;
6368 # endif
6369
6370 /* free buffer when not hiding it or when it's a scratch buffer */
6371 if (tp == NULL)
6372 win_close(win, !need_hide && !P_HID(buf));
6373 else
6374 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6375 }
6376
6377 /*
6378 * ":tabclose": close current tab page, unless it is the last one.
6379 * ":tabclose N": close tab page N.
6380 */
6381 static void
6382 ex_tabclose(eap)
6383 exarg_T *eap;
6384 {
6385 tabpage_T *tp;
6386
6387 # ifdef FEAT_CMDWIN
6388 if (cmdwin_type != 0)
6389 cmdwin_result = K_IGNORE;
6390 else
6391 # endif
6392 if (first_tabpage->tp_next == NULL)
6393 EMSG(_("E784: Cannot close last tab page"));
6394 else
6395 {
6396 if (eap->addr_count > 0)
6397 {
6398 tp = find_tabpage((int)eap->line2);
6399 if (tp == NULL)
6400 {
6401 beep_flush();
6402 return;
6403 }
6404 if (tp != curtab)
6405 {
6406 tabpage_close_other(tp, eap->forceit);
6407 return;
6408 }
6409 }
6410 if (!text_locked()
6411 #ifdef FEAT_AUTOCMD
6412 && !curbuf_locked()
6413 #endif
6414 )
6415 tabpage_close(eap->forceit);
6416 }
6417 }
6418
6419 /*
6420 * ":tabonly": close all tab pages except the current one
6421 */
6422 static void
6423 ex_tabonly(eap)
6424 exarg_T *eap;
6425 {
6426 tabpage_T *tp;
6427 int done;
6428
6429 # ifdef FEAT_CMDWIN
6430 if (cmdwin_type != 0)
6431 cmdwin_result = K_IGNORE;
6432 else
6433 # endif
6434 if (first_tabpage->tp_next == NULL)
6435 MSG(_("Already only one tab page"));
6436 else
6437 {
6438 /* Repeat this up to a 1000 times, because autocommands may mess
6439 * up the lists. */
6440 for (done = 0; done < 1000; ++done)
6441 {
6442 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6443 if (tp->tp_topframe != topframe)
6444 {
6445 tabpage_close_other(tp, eap->forceit);
6446 /* if we failed to close it quit */
6447 if (valid_tabpage(tp))
6448 done = 1000;
6449 /* start over, "tp" is now invalid */
6450 break;
6451 }
6452 if (first_tabpage->tp_next == NULL)
6453 break;
6454 }
6455 }
6456 }
6457
6458 /*
6459 * Close the current tab page.
6460 */
6461 void
6462 tabpage_close(forceit)
6463 int forceit;
6464 {
6465 /* First close all the windows but the current one. If that worked then
6466 * close the last window in this tab, that will close it. */
6467 if (lastwin != firstwin)
6468 close_others(TRUE, forceit);
6469 if (lastwin == firstwin)
6470 ex_win_close(forceit, curwin, NULL);
6471 # ifdef FEAT_GUI
6472 need_mouse_correct = TRUE;
6473 # endif
6474 }
6475
6476 /*
6477 * Close tab page "tp", which is not the current tab page.
6478 * Note that autocommands may make "tp" invalid.
6479 * Also takes care of the tab pages line disappearing when closing the
6480 * last-but-one tab page.
6481 */
6482 void
6483 tabpage_close_other(tp, forceit)
6484 tabpage_T *tp;
6485 int forceit;
6486 {
6487 int done = 0;
6488 win_T *wp;
6489 int h = tabline_height();
6490
6491 /* Limit to 1000 windows, autocommands may add a window while we close
6492 * one. OK, so I'm paranoid... */
6493 while (++done < 1000)
6494 {
6495 wp = tp->tp_firstwin;
6496 ex_win_close(forceit, wp, tp);
6497
6498 /* Autocommands may delete the tab page under our fingers and we may
6499 * fail to close a window with a modified buffer. */
6500 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6501 break;
6502 }
6503
6504 redraw_tabline = TRUE;
6505 if (h != tabline_height())
6506 shell_new_rows();
6507 }
6508
6509 /*
6510 * ":only".
6511 */
6512 static void
6513 ex_only(eap)
6514 exarg_T *eap;
6515 {
6516 # ifdef FEAT_GUI
6517 need_mouse_correct = TRUE;
6518 # endif
6519 close_others(TRUE, eap->forceit);
6520 }
6521
6522 /*
6523 * ":all" and ":sall".
6524 * Also used for ":tab drop file ..." after setting the argument list.
6525 */
6526 void
6527 ex_all(eap)
6528 exarg_T *eap;
6529 {
6530 if (eap->addr_count == 0)
6531 eap->line2 = 9999;
6532 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6533 }
6534 #endif /* FEAT_WINDOWS */
6535
6536 static void
6537 ex_hide(eap)
6538 exarg_T *eap;
6539 {
6540 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6541 eap->errmsg = e_invarg;
6542 else
6543 {
6544 /* ":hide" or ":hide | cmd": hide current window */
6545 eap->nextcmd = check_nextcmd(eap->arg);
6546 #ifdef FEAT_WINDOWS
6547 if (!eap->skip)
6548 {
6549 # ifdef FEAT_GUI
6550 need_mouse_correct = TRUE;
6551 # endif
6552 win_close(curwin, FALSE); /* don't free buffer */
6553 }
6554 #endif
6555 }
6556 }
6557
6558 /*
6559 * ":stop" and ":suspend": Suspend Vim.
6560 */
6561 static void
6562 ex_stop(eap)
6563 exarg_T *eap;
6564 {
6565 /*
6566 * Disallow suspending for "rvim".
6567 */
6568 if (!check_restricted()
6569 #ifdef WIN3264
6570 /*
6571 * Check if external commands are allowed now.
6572 */
6573 && can_end_termcap_mode(TRUE)
6574 #endif
6575 )
6576 {
6577 if (!eap->forceit)
6578 autowrite_all();
6579 windgoto((int)Rows - 1, 0);
6580 out_char('\n');
6581 out_flush();
6582 stoptermcap();
6583 out_flush(); /* needed for SUN to restore xterm buffer */
6584 #ifdef FEAT_TITLE
6585 mch_restore_title(3); /* restore window titles */
6586 #endif
6587 ui_suspend(); /* call machine specific function */
6588 #ifdef FEAT_TITLE
6589 maketitle();
6590 resettitle(); /* force updating the title */
6591 #endif
6592 starttermcap();
6593 scroll_start(); /* scroll screen before redrawing */
6594 redraw_later_clear();
6595 shell_resized(); /* may have resized window */
6596 }
6597 }
6598
6599 /*
6600 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6601 */
6602 static void
6603 ex_exit(eap)
6604 exarg_T *eap;
6605 {
6606 #ifdef FEAT_CMDWIN
6607 if (cmdwin_type != 0)
6608 {
6609 cmdwin_result = Ctrl_C;
6610 return;
6611 }
6612 #endif
6613 /* Don't quit while editing the command line. */
6614 if (text_locked())
6615 {
6616 text_locked_msg();
6617 return;
6618 }
6619 #ifdef FEAT_AUTOCMD
6620 if (curbuf_locked())
6621 return;
6622 #endif
6623
6624 /*
6625 * if more files or windows we won't exit
6626 */
6627 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6628 exiting = TRUE;
6629 if ( ((eap->cmdidx == CMD_wq
6630 || curbufIsChanged())
6631 && do_write(eap) == FAIL)
6632 || check_more(TRUE, eap->forceit) == FAIL
6633 || (only_one_window() && check_changed_any(eap->forceit)))
6634 {
6635 not_exiting();
6636 }
6637 else
6638 {
6639 #ifdef FEAT_WINDOWS
6640 if (only_one_window()) /* quit last window, exit Vim */
6641 #endif
6642 getout(0);
6643 #ifdef FEAT_WINDOWS
6644 # ifdef FEAT_GUI
6645 need_mouse_correct = TRUE;
6646 # endif
6647 /* quit current window, may free buffer */
6648 win_close(curwin, !P_HID(curwin->w_buffer));
6649 #endif
6650 }
6651 }
6652
6653 /*
6654 * ":print", ":list", ":number".
6655 */
6656 static void
6657 ex_print(eap)
6658 exarg_T *eap;
6659 {
6660 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6661 EMSG(_(e_emptybuf));
6662 else
6663 {
6664 for ( ;!got_int; ui_breakcheck())
6665 {
6666 print_line(eap->line1,
6667 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6668 || (eap->flags & EXFLAG_NR)),
6669 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6670 if (++eap->line1 > eap->line2)
6671 break;
6672 out_flush(); /* show one line at a time */
6673 }
6674 setpcmark();
6675 /* put cursor at last line */
6676 curwin->w_cursor.lnum = eap->line2;
6677 beginline(BL_SOL | BL_FIX);
6678 }
6679
6680 ex_no_reprint = TRUE;
6681 }
6682
6683 #ifdef FEAT_BYTEOFF
6684 static void
6685 ex_goto(eap)
6686 exarg_T *eap;
6687 {
6688 goto_byte(eap->line2);
6689 }
6690 #endif
6691
6692 /*
6693 * ":shell".
6694 */
6695 /*ARGSUSED*/
6696 static void
6697 ex_shell(eap)
6698 exarg_T *eap;
6699 {
6700 do_shell(NULL, 0);
6701 }
6702
6703 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6704 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6705 || defined(FEAT_GUI_MSWIN) \
6706 || defined(FEAT_GUI_MAC) \
6707 || defined(PROTO) \
6708 || defined(FEAT_GUI_MACVIM)
6709
6710 /*
6711 * Handle a file drop. The code is here because a drop is *nearly* like an
6712 * :args command, but not quite (we have a list of exact filenames, so we
6713 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6714 * code is very similar to :args and hence needs access to a lot of the static
6715 * functions in this file.
6716 *
6717 * The list should be allocated using alloc(), as should each item in the
6718 * list. This function takes over responsibility for freeing the list.
6719 *
6720 * XXX The list is made into the argument list. This is freed using
6721 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6722 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6723 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6724 * file functionality is (currently) not in EMX this is not presently a
6725 * problem.
6726 */
6727 void
6728 handle_drop(filec, filev, split)
6729 int filec; /* the number of files dropped */
6730 char_u **filev; /* the list of files dropped */
6731 int split; /* force splitting the window */
6732 {
6733 exarg_T ea;
6734 int save_msg_scroll = msg_scroll;
6735
6736 /* Postpone this while editing the command line. */
6737 if (text_locked())
6738 return;
6739 #ifdef FEAT_AUTOCMD
6740 if (curbuf_locked())
6741 return;
6742 #endif
6743
6744 /* Check whether the current buffer is changed. If so, we will need
6745 * to split the current window or data could be lost.
6746 * We don't need to check if the 'hidden' option is set, as in this
6747 * case the buffer won't be lost.
6748 */
6749 if (!P_HID(curbuf) && !split)
6750 {
6751 ++emsg_off;
6752 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6753 --emsg_off;
6754 }
6755 if (split)
6756 {
6757 # ifdef FEAT_WINDOWS
6758 if (win_split(0, 0) == FAIL)
6759 return;
6760 # ifdef FEAT_SCROLLBIND
6761 curwin->w_p_scb = FALSE;
6762 # endif
6763
6764 /* When splitting the window, create a new alist. Otherwise the
6765 * existing one is overwritten. */
6766 alist_unlink(curwin->w_alist);
6767 alist_new();
6768 # else
6769 return; /* can't split, always fail */
6770 # endif
6771 }
6772
6773 /*
6774 * Set up the new argument list.
6775 */
6776 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6777
6778 /*
6779 * Move to the first file.
6780 */
6781 /* Fake up a minimal "next" command for do_argfile() */
6782 vim_memset(&ea, 0, sizeof(ea));
6783 ea.cmd = (char_u *)"next";
6784 do_argfile(&ea, 0);
6785
6786 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6787 * mode that is not needed here. */
6788 need_start_insertmode = FALSE;
6789
6790 /* Restore msg_scroll, otherwise a following command may cause scrolling
6791 * unexpectedly. The screen will be redrawn by the caller, thus
6792 * msg_scroll being set by displaying a message is irrelevant. */
6793 msg_scroll = save_msg_scroll;
6794 }
6795 #endif
6796
6797 /*
6798 * Clear an argument list: free all file names and reset it to zero entries.
6799 */
6800 void
6801 alist_clear(al)
6802 alist_T *al;
6803 {
6804 while (--al->al_ga.ga_len >= 0)
6805 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6806 ga_clear(&al->al_ga);
6807 }
6808
6809 /*
6810 * Init an argument list.
6811 */
6812 void
6813 alist_init(al)
6814 alist_T *al;
6815 {
6816 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6817 }
6818
6819 #if defined(FEAT_WINDOWS) || defined(PROTO)
6820
6821 /*
6822 * Remove a reference from an argument list.
6823 * Ignored when the argument list is the global one.
6824 * If the argument list is no longer used by any window, free it.
6825 */
6826 void
6827 alist_unlink(al)
6828 alist_T *al;
6829 {
6830 if (al != &global_alist && --al->al_refcount <= 0)
6831 {
6832 alist_clear(al);
6833 vim_free(al);
6834 }
6835 }
6836
6837 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6838 /*
6839 * Create a new argument list and use it for the current window.
6840 */
6841 void
6842 alist_new()
6843 {
6844 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6845 if (curwin->w_alist == NULL)
6846 {
6847 curwin->w_alist = &global_alist;
6848 ++global_alist.al_refcount;
6849 }
6850 else
6851 {
6852 curwin->w_alist->al_refcount = 1;
6853 alist_init(curwin->w_alist);
6854 }
6855 }
6856 # endif
6857 #endif
6858
6859 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6860 /*
6861 * Expand the file names in the global argument list.
6862 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6863 * numbers to be re-used.
6864 */
6865 void
6866 alist_expand(fnum_list, fnum_len)
6867 int *fnum_list;
6868 int fnum_len;
6869 {
6870 char_u **old_arg_files;
6871 int old_arg_count;
6872 char_u **new_arg_files;
6873 int new_arg_file_count;
6874 char_u *save_p_su = p_su;
6875 int i;
6876
6877 /* Don't use 'suffixes' here. This should work like the shell did the
6878 * expansion. Also, the vimrc file isn't read yet, thus the user
6879 * can't set the options. */
6880 p_su = empty_option;
6881 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6882 if (old_arg_files != NULL)
6883 {
6884 for (i = 0; i < GARGCOUNT; ++i)
6885 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6886 old_arg_count = GARGCOUNT;
6887 if (expand_wildcards(old_arg_count, old_arg_files,
6888 &new_arg_file_count, &new_arg_files,
6889 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6890 && new_arg_file_count > 0)
6891 {
6892 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6893 TRUE, fnum_list, fnum_len);
6894 FreeWild(old_arg_count, old_arg_files);
6895 }
6896 }
6897 p_su = save_p_su;
6898 }
6899 #endif
6900
6901 /*
6902 * Set the argument list for the current window.
6903 * Takes over the allocated files[] and the allocated fnames in it.
6904 */
6905 void
6906 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6907 alist_T *al;
6908 int count;
6909 char_u **files;
6910 int use_curbuf;
6911 int *fnum_list;
6912 int fnum_len;
6913 {
6914 int i;
6915
6916 alist_clear(al);
6917 if (ga_grow(&al->al_ga, count) == OK)
6918 {
6919 for (i = 0; i < count; ++i)
6920 {
6921 if (got_int)
6922 {
6923 /* When adding many buffers this can take a long time. Allow
6924 * interrupting here. */
6925 while (i < count)
6926 vim_free(files[i++]);
6927 break;
6928 }
6929
6930 /* May set buffer name of a buffer previously used for the
6931 * argument list, so that it's re-used by alist_add. */
6932 if (fnum_list != NULL && i < fnum_len)
6933 buf_set_name(fnum_list[i], files[i]);
6934
6935 alist_add(al, files[i], use_curbuf ? 2 : 1);
6936 ui_breakcheck();
6937 }
6938 vim_free(files);
6939 }
6940 else
6941 FreeWild(count, files);
6942 #ifdef FEAT_WINDOWS
6943 if (al == &global_alist)
6944 #endif
6945 arg_had_last = FALSE;
6946 }
6947
6948 /*
6949 * Add file "fname" to argument list "al".
6950 * "fname" must have been allocated and "al" must have been checked for room.
6951 */
6952 void
6953 alist_add(al, fname, set_fnum)
6954 alist_T *al;
6955 char_u *fname;
6956 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6957 {
6958 if (fname == NULL) /* don't add NULL file names */
6959 return;
6960 #ifdef BACKSLASH_IN_FILENAME
6961 slash_adjust(fname);
6962 #endif
6963 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6964 if (set_fnum > 0)
6965 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6966 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6967 ++al->al_ga.ga_len;
6968 }
6969
6970 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6971 /*
6972 * Adjust slashes in file names. Called after 'shellslash' was set.
6973 */
6974 void
6975 alist_slash_adjust()
6976 {
6977 int i;
6978 # ifdef FEAT_WINDOWS
6979 win_T *wp;
6980 tabpage_T *tp;
6981 # endif
6982
6983 for (i = 0; i < GARGCOUNT; ++i)
6984 if (GARGLIST[i].ae_fname != NULL)
6985 slash_adjust(GARGLIST[i].ae_fname);
6986 # ifdef FEAT_WINDOWS
6987 FOR_ALL_TAB_WINDOWS(tp, wp)
6988 if (wp->w_alist != &global_alist)
6989 for (i = 0; i < WARGCOUNT(wp); ++i)
6990 if (WARGLIST(wp)[i].ae_fname != NULL)
6991 slash_adjust(WARGLIST(wp)[i].ae_fname);
6992 # endif
6993 }
6994 #endif
6995
6996 /*
6997 * ":preserve".
6998 */
6999 /*ARGSUSED*/
7000 static void
7001 ex_preserve(eap)
7002 exarg_T *eap;
7003 {
7004 curbuf->b_flags |= BF_PRESERVED;
7005 ml_preserve(curbuf, TRUE);
7006 }
7007
7008 /*
7009 * ":recover".
7010 */
7011 static void
7012 ex_recover(eap)
7013 exarg_T *eap;
7014 {
7015 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7016 recoverymode = TRUE;
7017 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7018 && (*eap->arg == NUL
7019 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7020 ml_recover();
7021 recoverymode = FALSE;
7022 }
7023
7024 /*
7025 * Command modifier used in a wrong way.
7026 */
7027 static void
7028 ex_wrongmodifier(eap)
7029 exarg_T *eap;
7030 {
7031 eap->errmsg = e_invcmd;
7032 }
7033
7034 #ifdef FEAT_WINDOWS
7035 /*
7036 * :sview [+command] file split window with new file, read-only
7037 * :split [[+command] file] split window with current or new file
7038 * :vsplit [[+command] file] split window vertically with current or new file
7039 * :new [[+command] file] split window with no or new file
7040 * :vnew [[+command] file] split vertically window with no or new file
7041 * :sfind [+command] file split window with file in 'path'
7042 *
7043 * :tabedit open new Tab page with empty window
7044 * :tabedit [+command] file open new Tab page and edit "file"
7045 * :tabnew [[+command] file] just like :tabedit
7046 * :tabfind [+command] file open new Tab page and find "file"
7047 */
7048 void
7049 ex_splitview(eap)
7050 exarg_T *eap;
7051 {
7052 win_T *old_curwin = curwin;
7053 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7054 char_u *fname = NULL;
7055 # endif
7056 # ifdef FEAT_BROWSE
7057 int browse_flag = cmdmod.browse;
7058 # endif
7059
7060 # ifndef FEAT_VERTSPLIT
7061 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7062 {
7063 ex_ni(eap);
7064 return;
7065 }
7066 # endif
7067
7068 # ifdef FEAT_GUI
7069 need_mouse_correct = TRUE;
7070 # endif
7071
7072 # ifdef FEAT_QUICKFIX
7073 /* A ":split" in the quickfix window works like ":new". Don't want two
7074 * quickfix windows. */
7075 if (bt_quickfix(curbuf))
7076 {
7077 if (eap->cmdidx == CMD_split)
7078 eap->cmdidx = CMD_new;
7079 # ifdef FEAT_VERTSPLIT
7080 if (eap->cmdidx == CMD_vsplit)
7081 eap->cmdidx = CMD_vnew;
7082 # endif
7083 }
7084 # endif
7085
7086 # ifdef FEAT_SEARCHPATH
7087 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7088 {
7089 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7090 FNAME_MESS, TRUE, curbuf->b_ffname);
7091 if (fname == NULL)
7092 goto theend;
7093 eap->arg = fname;
7094 }
7095 # ifdef FEAT_BROWSE
7096 else
7097 # endif
7098 # endif
7099 # ifdef FEAT_BROWSE
7100 if (cmdmod.browse
7101 # ifdef FEAT_VERTSPLIT
7102 && eap->cmdidx != CMD_vnew
7103 # endif
7104 && eap->cmdidx != CMD_new)
7105 {
7106 if (
7107 # ifdef FEAT_GUI
7108 !gui.in_use &&
7109 # endif
7110 au_has_group((char_u *)"FileExplorer"))
7111 {
7112 /* No browsing supported but we do have the file explorer:
7113 * Edit the directory. */
7114 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7115 eap->arg = (char_u *)".";
7116 }
7117 else
7118 {
7119 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7120 eap->arg, NULL, NULL, NULL, curbuf);
7121 if (fname == NULL)
7122 goto theend;
7123 eap->arg = fname;
7124 }
7125 }
7126 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7127 # endif
7128
7129 /*
7130 * Either open new tab page or split the window.
7131 */
7132 if (eap->cmdidx == CMD_tabedit
7133 || eap->cmdidx == CMD_tabfind
7134 || eap->cmdidx == CMD_tabnew)
7135 {
7136 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7137 : eap->addr_count == 0 ? 0
7138 : (int)eap->line2 + 1) != FAIL)
7139 {
7140 do_exedit(eap, old_curwin);
7141
7142 /* set the alternate buffer for the window we came from */
7143 if (curwin != old_curwin
7144 && win_valid(old_curwin)
7145 && old_curwin->w_buffer != curbuf
7146 && !cmdmod.keepalt)
7147 old_curwin->w_alt_fnum = curbuf->b_fnum;
7148 }
7149 }
7150 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7151 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7152 {
7153 # ifdef FEAT_SCROLLBIND
7154 /* Reset 'scrollbind' when editing another file, but keep it when
7155 * doing ":split" without arguments. */
7156 if (*eap->arg != NUL
7157 # ifdef FEAT_BROWSE
7158 || cmdmod.browse
7159 # endif
7160 )
7161 curwin->w_p_scb = FALSE;
7162 else
7163 do_check_scrollbind(FALSE);
7164 # endif
7165 do_exedit(eap, old_curwin);
7166 }
7167
7168 # ifdef FEAT_BROWSE
7169 cmdmod.browse = browse_flag;
7170 # endif
7171
7172 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7173 theend:
7174 vim_free(fname);
7175 # endif
7176 }
7177
7178 #if defined(FEAT_MOUSE) || defined(PROTO)
7179 /*
7180 * Open a new tab page.
7181 */
7182 void
7183 tabpage_new()
7184 {
7185 exarg_T ea;
7186
7187 vim_memset(&ea, 0, sizeof(ea));
7188 ea.cmdidx = CMD_tabnew;
7189 ea.cmd = (char_u *)"tabn";
7190 ea.arg = (char_u *)"";
7191 ex_splitview(&ea);
7192 }
7193 #endif
7194
7195 /*
7196 * :tabnext command
7197 */
7198 static void
7199 ex_tabnext(eap)
7200 exarg_T *eap;
7201 {
7202 switch (eap->cmdidx)
7203 {
7204 case CMD_tabfirst:
7205 case CMD_tabrewind:
7206 goto_tabpage(1);
7207 break;
7208 case CMD_tablast:
7209 goto_tabpage(9999);
7210 break;
7211 case CMD_tabprevious:
7212 case CMD_tabNext:
7213 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7214 break;
7215 default: /* CMD_tabnext */
7216 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7217 break;
7218 }
7219 }
7220
7221 /*
7222 * :tabmove command
7223 */
7224 static void
7225 ex_tabmove(eap)
7226 exarg_T *eap;
7227 {
7228 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7229 }
7230
7231 /*
7232 * :tabs command: List tabs and their contents.
7233 */
7234 /*ARGSUSED*/
7235 static void
7236 ex_tabs(eap)
7237 exarg_T *eap;
7238 {
7239 tabpage_T *tp;
7240 win_T *wp;
7241 int tabcount = 1;
7242
7243 msg_start();
7244 msg_scroll = TRUE;
7245 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7246 {
7247 msg_putchar('\n');
7248 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7249 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7250 out_flush(); /* output one line at a time */
7251 ui_breakcheck();
7252
7253 if (tp == curtab)
7254 wp = firstwin;
7255 else
7256 wp = tp->tp_firstwin;
7257 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7258 {
7259 msg_putchar('\n');
7260 msg_putchar(wp == curwin ? '>' : ' ');
7261 msg_putchar(' ');
7262 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7263 msg_putchar(' ');
7264 if (buf_spname(wp->w_buffer) != NULL)
7265 STRCPY(IObuff, buf_spname(wp->w_buffer));
7266 else
7267 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7268 IObuff, IOSIZE, TRUE);
7269 msg_outtrans(IObuff);
7270 out_flush(); /* output one line at a time */
7271 ui_breakcheck();
7272 }
7273 }
7274 }
7275
7276 #endif /* FEAT_WINDOWS */
7277
7278 /*
7279 * ":mode": Set screen mode.
7280 * If no argument given, just get the screen size and redraw.
7281 */
7282 static void
7283 ex_mode(eap)
7284 exarg_T *eap;
7285 {
7286 if (*eap->arg == NUL)
7287 shell_resized();
7288 else
7289 mch_screenmode(eap->arg);
7290 }
7291
7292 #ifdef FEAT_WINDOWS
7293 /*
7294 * ":resize".
7295 * set, increment or decrement current window height
7296 */
7297 static void
7298 ex_resize(eap)
7299 exarg_T *eap;
7300 {
7301 int n;
7302 win_T *wp = curwin;
7303
7304 if (eap->addr_count > 0)
7305 {
7306 n = eap->line2;
7307 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7308 ;
7309 }
7310
7311 #ifdef FEAT_GUI
7312 need_mouse_correct = TRUE;
7313 #endif
7314 n = atol((char *)eap->arg);
7315 #ifdef FEAT_VERTSPLIT
7316 if (cmdmod.split & WSP_VERT)
7317 {
7318 if (*eap->arg == '-' || *eap->arg == '+')
7319 n += W_WIDTH(curwin);
7320 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7321 n = 9999;
7322 win_setwidth_win((int)n, wp);
7323 }
7324 else
7325 #endif
7326 {
7327 if (*eap->arg == '-' || *eap->arg == '+')
7328 n += curwin->w_height;
7329 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7330 n = 9999;
7331 win_setheight_win((int)n, wp);
7332 }
7333 }
7334 #endif
7335
7336 /*
7337 * ":find [+command] <file>" command.
7338 */
7339 static void
7340 ex_find(eap)
7341 exarg_T *eap;
7342 {
7343 #ifdef FEAT_SEARCHPATH
7344 char_u *fname;
7345 int count;
7346
7347 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7348 TRUE, curbuf->b_ffname);
7349 if (eap->addr_count > 0)
7350 {
7351 /* Repeat finding the file "count" times. This matters when it
7352 * appears several times in the path. */
7353 count = eap->line2;
7354 while (fname != NULL && --count > 0)
7355 {
7356 vim_free(fname);
7357 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7358 FALSE, curbuf->b_ffname);
7359 }
7360 }
7361
7362 if (fname != NULL)
7363 {
7364 eap->arg = fname;
7365 #endif
7366 do_exedit(eap, NULL);
7367 #ifdef FEAT_SEARCHPATH
7368 vim_free(fname);
7369 }
7370 #endif
7371 }
7372
7373 /*
7374 * ":open" simulation: for now just work like ":visual".
7375 */
7376 static void
7377 ex_open(eap)
7378 exarg_T *eap;
7379 {
7380 regmatch_T regmatch;
7381 char_u *p;
7382
7383 curwin->w_cursor.lnum = eap->line2;
7384 beginline(BL_SOL | BL_FIX);
7385 if (*eap->arg == '/')
7386 {
7387 /* ":open /pattern/": put cursor in column found with pattern */
7388 ++eap->arg;
7389 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7390 *p = NUL;
7391 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7392 if (regmatch.regprog != NULL)
7393 {
7394 regmatch.rm_ic = p_ic;
7395 p = ml_get_curline();
7396 if (vim_regexec(&regmatch, p, (colnr_T)0))
7397 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7398 else
7399 EMSG(_(e_nomatch));
7400 vim_free(regmatch.regprog);
7401 }
7402 /* Move to the NUL, ignore any other arguments. */
7403 eap->arg += STRLEN(eap->arg);
7404 }
7405 check_cursor();
7406
7407 eap->cmdidx = CMD_visual;
7408 do_exedit(eap, NULL);
7409 }
7410
7411 /*
7412 * ":edit", ":badd", ":visual".
7413 */
7414 static void
7415 ex_edit(eap)
7416 exarg_T *eap;
7417 {
7418 do_exedit(eap, NULL);
7419 }
7420
7421 /*
7422 * ":edit <file>" command and alikes.
7423 */
7424 /*ARGSUSED*/
7425 void
7426 do_exedit(eap, old_curwin)
7427 exarg_T *eap;
7428 win_T *old_curwin; /* curwin before doing a split or NULL */
7429 {
7430 int n;
7431 #ifdef FEAT_WINDOWS
7432 int need_hide;
7433 #endif
7434 int exmode_was = exmode_active;
7435
7436 /*
7437 * ":vi" command ends Ex mode.
7438 */
7439 if (exmode_active && (eap->cmdidx == CMD_visual
7440 || eap->cmdidx == CMD_view))
7441 {
7442 exmode_active = FALSE;
7443 if (*eap->arg == NUL)
7444 {
7445 /* Special case: ":global/pat/visual\NLvi-commands" */
7446 if (global_busy)
7447 {
7448 int rd = RedrawingDisabled;
7449 int nwr = no_wait_return;
7450 int ms = msg_scroll;
7451 #ifdef FEAT_GUI
7452 int he = hold_gui_events;
7453 #endif
7454
7455 if (eap->nextcmd != NULL)
7456 {
7457 stuffReadbuff(eap->nextcmd);
7458 eap->nextcmd = NULL;
7459 }
7460
7461 if (exmode_was != EXMODE_VIM)
7462 settmode(TMODE_RAW);
7463 RedrawingDisabled = 0;
7464 no_wait_return = 0;
7465 need_wait_return = FALSE;
7466 msg_scroll = 0;
7467 #ifdef FEAT_GUI
7468 hold_gui_events = 0;
7469 #endif
7470 must_redraw = CLEAR;
7471
7472 main_loop(FALSE, TRUE);
7473
7474 RedrawingDisabled = rd;
7475 no_wait_return = nwr;
7476 msg_scroll = ms;
7477 #ifdef FEAT_GUI
7478 hold_gui_events = he;
7479 #endif
7480 }
7481 return;
7482 }
7483 }
7484
7485 if ((eap->cmdidx == CMD_new
7486 || eap->cmdidx == CMD_tabnew
7487 || eap->cmdidx == CMD_tabedit
7488 #ifdef FEAT_VERTSPLIT
7489 || eap->cmdidx == CMD_vnew
7490 #endif
7491 ) && *eap->arg == NUL)
7492 {
7493 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7494 setpcmark();
7495 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7496 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7497 }
7498 else if ((eap->cmdidx != CMD_split
7499 #ifdef FEAT_VERTSPLIT
7500 && eap->cmdidx != CMD_vsplit
7501 #endif
7502 )
7503 || *eap->arg != NUL
7504 #ifdef FEAT_BROWSE
7505 || cmdmod.browse
7506 #endif
7507 )
7508 {
7509 #ifdef FEAT_AUTOCMD
7510 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7511 * can bring us here, others are stopped earlier. */
7512 if (*eap->arg != NUL && curbuf_locked())
7513 return;
7514 #endif
7515 n = readonlymode;
7516 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7517 readonlymode = TRUE;
7518 else if (eap->cmdidx == CMD_enew)
7519 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7520 empty buffer */
7521 setpcmark();
7522 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7523 NULL, eap,
7524 /* ":edit" goes to first line if Vi compatible */
7525 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7526 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7527 ? ECMD_ONE : eap->do_ecmd_lnum,
7528 (P_HID(curbuf) ? ECMD_HIDE : 0)
7529 + (eap->forceit ? ECMD_FORCEIT : 0)
7530 #ifdef FEAT_LISTCMDS
7531 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7532 #endif
7533 ) == FAIL)
7534 {
7535 /* Editing the file failed. If the window was split, close it. */
7536 #ifdef FEAT_WINDOWS
7537 if (old_curwin != NULL)
7538 {
7539 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7540 if (!need_hide || P_HID(curbuf))
7541 {
7542 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7543 cleanup_T cs;
7544
7545 /* Reset the error/interrupt/exception state here so that
7546 * aborting() returns FALSE when closing a window. */
7547 enter_cleanup(&cs);
7548 # endif
7549 # ifdef FEAT_GUI
7550 need_mouse_correct = TRUE;
7551 # endif
7552 win_close(curwin, !need_hide && !P_HID(curbuf));
7553
7554 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7555 /* Restore the error/interrupt/exception state if not
7556 * discarded by a new aborting error, interrupt, or
7557 * uncaught exception. */
7558 leave_cleanup(&cs);
7559 # endif
7560 }
7561 }
7562 #endif
7563 }
7564 else if (readonlymode && curbuf->b_nwindows == 1)
7565 {
7566 /* When editing an already visited buffer, 'readonly' won't be set
7567 * but the previous value is kept. With ":view" and ":sview" we
7568 * want the file to be readonly, except when another window is
7569 * editing the same buffer. */
7570 curbuf->b_p_ro = TRUE;
7571 }
7572 readonlymode = n;
7573 }
7574 else
7575 {
7576 if (eap->do_ecmd_cmd != NULL)
7577 do_cmdline_cmd(eap->do_ecmd_cmd);
7578 #ifdef FEAT_TITLE
7579 n = curwin->w_arg_idx_invalid;
7580 #endif
7581 check_arg_idx(curwin);
7582 #ifdef FEAT_TITLE
7583 if (n != curwin->w_arg_idx_invalid)
7584 maketitle();
7585 #endif
7586 }
7587
7588 #ifdef FEAT_WINDOWS
7589 /*
7590 * if ":split file" worked, set alternate file name in old window to new
7591 * file
7592 */
7593 if (old_curwin != NULL
7594 && *eap->arg != NUL
7595 && curwin != old_curwin
7596 && win_valid(old_curwin)
7597 && old_curwin->w_buffer != curbuf
7598 && !cmdmod.keepalt)
7599 old_curwin->w_alt_fnum = curbuf->b_fnum;
7600 #endif
7601
7602 ex_no_reprint = TRUE;
7603 }
7604
7605 #ifndef FEAT_GUI
7606 /*
7607 * ":gui" and ":gvim" when there is no GUI.
7608 */
7609 static void
7610 ex_nogui(eap)
7611 exarg_T *eap;
7612 {
7613 eap->errmsg = e_nogvim;
7614 }
7615 #endif
7616
7617 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7618 static void
7619 ex_tearoff(eap)
7620 exarg_T *eap;
7621 {
7622 gui_make_tearoff(eap->arg);
7623 }
7624 #endif
7625
7626 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7627 || defined(FEAT_GUI_MACVIM))
7628 static void
7629 ex_popup(eap)
7630 exarg_T *eap;
7631 {
7632 gui_make_popup(eap->arg, eap->forceit);
7633 }
7634 #endif
7635
7636 /*ARGSUSED*/
7637 static void
7638 ex_swapname(eap)
7639 exarg_T *eap;
7640 {
7641 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7642 MSG(_("No swap file"));
7643 else
7644 msg(curbuf->b_ml.ml_mfp->mf_fname);
7645 }
7646
7647 /*
7648 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7649 * offset.
7650 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7651 */
7652 /*ARGSUSED*/
7653 static void
7654 ex_syncbind(eap)
7655 exarg_T *eap;
7656 {
7657 #ifdef FEAT_SCROLLBIND
7658 win_T *wp;
7659 long topline;
7660 long y;
7661 linenr_T old_linenr = curwin->w_cursor.lnum;
7662
7663 setpcmark();
7664
7665 /*
7666 * determine max topline
7667 */
7668 if (curwin->w_p_scb)
7669 {
7670 topline = curwin->w_topline;
7671 for (wp = firstwin; wp; wp = wp->w_next)
7672 {
7673 if (wp->w_p_scb && wp->w_buffer)
7674 {
7675 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7676 if (topline > y)
7677 topline = y;
7678 }
7679 }
7680 if (topline < 1)
7681 topline = 1;
7682 }
7683 else
7684 {
7685 topline = 1;
7686 }
7687
7688
7689 /*
7690 * set all scrollbind windows to the same topline
7691 */
7692 wp = curwin;
7693 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7694 {
7695 if (curwin->w_p_scb)
7696 {
7697 y = topline - curwin->w_topline;
7698 if (y > 0)
7699 scrollup(y, TRUE);
7700 else
7701 scrolldown(-y, TRUE);
7702 curwin->w_scbind_pos = topline;
7703 redraw_later(VALID);
7704 cursor_correct();
7705 #ifdef FEAT_WINDOWS
7706 curwin->w_redr_status = TRUE;
7707 #endif
7708 }
7709 }
7710 curwin = wp;
7711 if (curwin->w_p_scb)
7712 {
7713 did_syncbind = TRUE;
7714 checkpcmark();
7715 if (old_linenr != curwin->w_cursor.lnum)
7716 {
7717 char_u ctrl_o[2];
7718
7719 ctrl_o[0] = Ctrl_O;
7720 ctrl_o[1] = 0;
7721 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7722 }
7723 }
7724 #endif
7725 }
7726
7727
7728 static void
7729 ex_read(eap)
7730 exarg_T *eap;
7731 {
7732 int i;
7733 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7734 linenr_T lnum;
7735
7736 if (eap->usefilter) /* :r!cmd */
7737 do_bang(1, eap, FALSE, FALSE, TRUE);
7738 else
7739 {
7740 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7741 return;
7742
7743 #ifdef FEAT_BROWSE
7744 if (cmdmod.browse)
7745 {
7746 char_u *browseFile;
7747
7748 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7749 NULL, NULL, NULL, curbuf);
7750 if (browseFile != NULL)
7751 {
7752 i = readfile(browseFile, NULL,
7753 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7754 vim_free(browseFile);
7755 }
7756 else
7757 i = OK;
7758 }
7759 else
7760 #endif
7761 if (*eap->arg == NUL)
7762 {
7763 if (check_fname() == FAIL) /* check for no file name */
7764 return;
7765 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7766 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7767 }
7768 else
7769 {
7770 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7771 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7772 i = readfile(eap->arg, NULL,
7773 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7774
7775 }
7776 if (i == FAIL)
7777 {
7778 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7779 if (!aborting())
7780 #endif
7781 EMSG2(_(e_notopen), eap->arg);
7782 }
7783 else
7784 {
7785 if (empty && exmode_active)
7786 {
7787 /* Delete the empty line that remains. Historically ex does
7788 * this but vi doesn't. */
7789 if (eap->line2 == 0)
7790 lnum = curbuf->b_ml.ml_line_count;
7791 else
7792 lnum = 1;
7793 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7794 {
7795 ml_delete(lnum, FALSE);
7796 deleted_lines_mark(lnum, 1L);
7797 if (curwin->w_cursor.lnum > 1
7798 && curwin->w_cursor.lnum >= lnum)
7799 --curwin->w_cursor.lnum;
7800 }
7801 }
7802 redraw_curbuf_later(VALID);
7803 }
7804 }
7805 }
7806
7807 static char_u *prev_dir = NULL;
7808
7809 #if defined(EXITFREE) || defined(PROTO)
7810 void
7811 free_cd_dir()
7812 {
7813 vim_free(prev_dir);
7814 prev_dir = NULL;
7815 }
7816 #endif
7817
7818
7819 /*
7820 * ":cd", ":lcd", ":chdir" and ":lchdir".
7821 */
7822 void
7823 ex_cd(eap)
7824 exarg_T *eap;
7825 {
7826 char_u *new_dir;
7827 char_u *tofree;
7828
7829 new_dir = eap->arg;
7830 #if !defined(UNIX) && !defined(VMS)
7831 /* for non-UNIX ":cd" means: print current directory */
7832 if (*new_dir == NUL)
7833 ex_pwd(NULL);
7834 else
7835 #endif
7836 {
7837 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7838 && !eap->forceit)
7839 {
7840 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7841 return;
7842 }
7843
7844 /* ":cd -": Change to previous directory */
7845 if (STRCMP(new_dir, "-") == 0)
7846 {
7847 if (prev_dir == NULL)
7848 {
7849 EMSG(_("E186: No previous directory"));
7850 return;
7851 }
7852 new_dir = prev_dir;
7853 }
7854
7855 /* Save current directory for next ":cd -" */
7856 tofree = prev_dir;
7857 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7858 prev_dir = vim_strsave(NameBuff);
7859 else
7860 prev_dir = NULL;
7861
7862 #if defined(UNIX) || defined(VMS)
7863 /* for UNIX ":cd" means: go to home directory */
7864 if (*new_dir == NUL)
7865 {
7866 /* use NameBuff for home directory name */
7867 # ifdef VMS
7868 char_u *p;
7869
7870 p = mch_getenv((char_u *)"SYS$LOGIN");
7871 if (p == NULL || *p == NUL) /* empty is the same as not set */
7872 NameBuff[0] = NUL;
7873 else
7874 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7875 # else
7876 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7877 # endif
7878 new_dir = NameBuff;
7879 }
7880 #endif
7881 if (new_dir == NULL || vim_chdir(new_dir))
7882 EMSG(_(e_failed));
7883 else
7884 {
7885 vim_free(curwin->w_localdir);
7886 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7887 {
7888 /* If still in global directory, need to remember current
7889 * directory as global directory. */
7890 if (globaldir == NULL && prev_dir != NULL)
7891 globaldir = vim_strsave(prev_dir);
7892 /* Remember this local directory for the window. */
7893 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7894 curwin->w_localdir = vim_strsave(NameBuff);
7895 }
7896 else
7897 {
7898 /* We are now in the global directory, no need to remember its
7899 * name. */
7900 vim_free(globaldir);
7901 globaldir = NULL;
7902 curwin->w_localdir = NULL;
7903 }
7904
7905 shorten_fnames(TRUE);
7906
7907 /* Echo the new current directory if the command was typed. */
7908 if (KeyTyped)
7909 ex_pwd(eap);
7910 }
7911 vim_free(tofree);
7912 }
7913 }
7914
7915 /*
7916 * ":pwd".
7917 */
7918 /*ARGSUSED*/
7919 static void
7920 ex_pwd(eap)
7921 exarg_T *eap;
7922 {
7923 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7924 {
7925 #ifdef BACKSLASH_IN_FILENAME
7926 slash_adjust(NameBuff);
7927 #endif
7928 msg(NameBuff);
7929 }
7930 else
7931 EMSG(_("E187: Unknown"));
7932 }
7933
7934 /*
7935 * ":=".
7936 */
7937 static void
7938 ex_equal(eap)
7939 exarg_T *eap;
7940 {
7941 smsg((char_u *)"%ld", (long)eap->line2);
7942 ex_may_print(eap);
7943 }
7944
7945 static void
7946 ex_sleep(eap)
7947 exarg_T *eap;
7948 {
7949 int n;
7950 long len;
7951
7952 if (cursor_valid())
7953 {
7954 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7955 if (n >= 0)
7956 windgoto((int)n, curwin->w_wcol);
7957 }
7958
7959 len = eap->line2;
7960 switch (*eap->arg)
7961 {
7962 case 'm': break;
7963 case NUL: len *= 1000L; break;
7964 default: EMSG2(_(e_invarg2), eap->arg); return;
7965 }
7966 do_sleep(len);
7967 }
7968
7969 /*
7970 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7971 */
7972 void
7973 do_sleep(msec)
7974 long msec;
7975 {
7976 long done;
7977
7978 cursor_on();
7979 out_flush();
7980 for (done = 0; !got_int && done < msec; done += 1000L)
7981 {
7982 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7983 ui_breakcheck();
7984 }
7985 }
7986
7987 static void
7988 do_exmap(eap, isabbrev)
7989 exarg_T *eap;
7990 int isabbrev;
7991 {
7992 int mode;
7993 char_u *cmdp;
7994
7995 cmdp = eap->cmd;
7996 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7997
7998 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7999 eap->arg, mode, isabbrev))
8000 {
8001 case 1: EMSG(_(e_invarg));
8002 break;
8003 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8004 break;
8005 }
8006 }
8007
8008 /*
8009 * ":winsize" command (obsolete).
8010 */
8011 static void
8012 ex_winsize(eap)
8013 exarg_T *eap;
8014 {
8015 int w, h;
8016 char_u *arg = eap->arg;
8017 char_u *p;
8018
8019 w = getdigits(&arg);
8020 arg = skipwhite(arg);
8021 p = arg;
8022 h = getdigits(&arg);
8023 if (*p != NUL && *arg == NUL)
8024 set_shellsize(w, h, TRUE);
8025 else
8026 EMSG(_("E465: :winsize requires two number arguments"));
8027 }
8028
8029 #ifdef FEAT_WINDOWS
8030 static void
8031 ex_wincmd(eap)
8032 exarg_T *eap;
8033 {
8034 int xchar = NUL;
8035 char_u *p;
8036
8037 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8038 {
8039 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8040 if (eap->arg[1] == NUL)
8041 {
8042 EMSG(_(e_invarg));
8043 return;
8044 }
8045 xchar = eap->arg[1];
8046 p = eap->arg + 2;
8047 }
8048 else
8049 p = eap->arg + 1;
8050
8051 eap->nextcmd = check_nextcmd(p);
8052 p = skipwhite(p);
8053 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8054 EMSG(_(e_invarg));
8055 else
8056 {
8057 /* Pass flags on for ":vertical wincmd ]". */
8058 postponed_split_flags = cmdmod.split;
8059 postponed_split_tab = cmdmod.tab;
8060 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8061 postponed_split_flags = 0;
8062 postponed_split_tab = 0;
8063 }
8064 }
8065 #endif
8066
8067 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8068 /*
8069 * ":winpos".
8070 */
8071 static void
8072 ex_winpos(eap)
8073 exarg_T *eap;
8074 {
8075 int x, y;
8076 char_u *arg = eap->arg;
8077 char_u *p;
8078
8079 if (*arg == NUL)
8080 {
8081 # if defined(FEAT_GUI) || defined(MSWIN)
8082 # ifdef FEAT_GUI
8083 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8084 # else
8085 if (mch_get_winpos(&x, &y) != FAIL)
8086 # endif
8087 {
8088 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8089 msg(IObuff);
8090 }
8091 else
8092 # endif
8093 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8094 }
8095 else
8096 {
8097 x = getdigits(&arg);
8098 arg = skipwhite(arg);
8099 p = arg;
8100 y = getdigits(&arg);
8101 if (*p == NUL || *arg != NUL)
8102 {
8103 EMSG(_("E466: :winpos requires two number arguments"));
8104 return;
8105 }
8106 # ifdef FEAT_GUI
8107 if (gui.in_use)
8108 gui_mch_set_winpos(x, y);
8109 else if (gui.starting)
8110 {
8111 /* Remember the coordinates for when the window is opened. */
8112 gui_win_x = x;
8113 gui_win_y = y;
8114 }
8115 # ifdef HAVE_TGETENT
8116 else
8117 # endif
8118 # else
8119 # ifdef MSWIN
8120 mch_set_winpos(x, y);
8121 # endif
8122 # endif
8123 # ifdef HAVE_TGETENT
8124 if (*T_CWP)
8125 term_set_winpos(x, y);
8126 # endif
8127 }
8128 }
8129 #endif
8130
8131 /*
8132 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8133 */
8134 static void
8135 ex_operators(eap)
8136 exarg_T *eap;
8137 {
8138 oparg_T oa;
8139
8140 clear_oparg(&oa);
8141 oa.regname = eap->regname;
8142 oa.start.lnum = eap->line1;
8143 oa.end.lnum = eap->line2;
8144 oa.line_count = eap->line2 - eap->line1 + 1;
8145 oa.motion_type = MLINE;
8146 #ifdef FEAT_VIRTUALEDIT
8147 virtual_op = FALSE;
8148 #endif
8149 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8150 {
8151 setpcmark();
8152 curwin->w_cursor.lnum = eap->line1;
8153 beginline(BL_SOL | BL_FIX);
8154 }
8155
8156 switch (eap->cmdidx)
8157 {
8158 case CMD_delete:
8159 oa.op_type = OP_DELETE;
8160 op_delete(&oa);
8161 break;
8162
8163 case CMD_yank:
8164 oa.op_type = OP_YANK;
8165 (void)op_yank(&oa, FALSE, TRUE);
8166 break;
8167
8168 default: /* CMD_rshift or CMD_lshift */
8169 if ((eap->cmdidx == CMD_rshift)
8170 #ifdef FEAT_RIGHTLEFT
8171 ^ curwin->w_p_rl
8172 #endif
8173 )
8174 oa.op_type = OP_RSHIFT;
8175 else
8176 oa.op_type = OP_LSHIFT;
8177 op_shift(&oa, FALSE, eap->amount);
8178 break;
8179 }
8180 #ifdef FEAT_VIRTUALEDIT
8181 virtual_op = MAYBE;
8182 #endif
8183 ex_may_print(eap);
8184 }
8185
8186 /*
8187 * ":put".
8188 */
8189 static void
8190 ex_put(eap)
8191 exarg_T *eap;
8192 {
8193 /* ":0put" works like ":1put!". */
8194 if (eap->line2 == 0)
8195 {
8196 eap->line2 = 1;
8197 eap->forceit = TRUE;
8198 }
8199 curwin->w_cursor.lnum = eap->line2;
8200 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8201 PUT_LINE|PUT_CURSLINE);
8202 }
8203
8204 /*
8205 * Handle ":copy" and ":move".
8206 */
8207 static void
8208 ex_copymove(eap)
8209 exarg_T *eap;
8210 {
8211 long n;
8212
8213 n = get_address(&eap->arg, FALSE, FALSE);
8214 if (eap->arg == NULL) /* error detected */
8215 {
8216 eap->nextcmd = NULL;
8217 return;
8218 }
8219 get_flags(eap);
8220
8221 /*
8222 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8223 */
8224 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8225 {
8226 EMSG(_(e_invaddr));
8227 return;
8228 }
8229
8230 if (eap->cmdidx == CMD_move)
8231 {
8232 if (do_move(eap->line1, eap->line2, n) == FAIL)
8233 return;
8234 }
8235 else
8236 ex_copy(eap->line1, eap->line2, n);
8237 u_clearline();
8238 beginline(BL_SOL | BL_FIX);
8239 ex_may_print(eap);
8240 }
8241
8242 /*
8243 * Print the current line if flags were given to the Ex command.
8244 */
8245 static void
8246 ex_may_print(eap)
8247 exarg_T *eap;
8248 {
8249 if (eap->flags != 0)
8250 {
8251 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8252 (eap->flags & EXFLAG_LIST));
8253 ex_no_reprint = TRUE;
8254 }
8255 }
8256
8257 /*
8258 * ":smagic" and ":snomagic".
8259 */
8260 static void
8261 ex_submagic(eap)
8262 exarg_T *eap;
8263 {
8264 int magic_save = p_magic;
8265
8266 p_magic = (eap->cmdidx == CMD_smagic);
8267 do_sub(eap);
8268 p_magic = magic_save;
8269 }
8270
8271 /*
8272 * ":join".
8273 */
8274 static void
8275 ex_join(eap)
8276 exarg_T *eap;
8277 {
8278 curwin->w_cursor.lnum = eap->line1;
8279 if (eap->line1 == eap->line2)
8280 {
8281 if (eap->addr_count >= 2) /* :2,2join does nothing */
8282 return;
8283 if (eap->line2 == curbuf->b_ml.ml_line_count)
8284 {
8285 beep_flush();
8286 return;
8287 }
8288 ++eap->line2;
8289 }
8290 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8291 beginline(BL_WHITE | BL_FIX);
8292 ex_may_print(eap);
8293 }
8294
8295 /*
8296 * ":[addr]@r" or ":[addr]*r": execute register
8297 */
8298 static void
8299 ex_at(eap)
8300 exarg_T *eap;
8301 {
8302 int c;
8303
8304 curwin->w_cursor.lnum = eap->line2;
8305
8306 #ifdef USE_ON_FLY_SCROLL
8307 dont_scroll = TRUE; /* disallow scrolling here */
8308 #endif
8309
8310 /* get the register name. No name means to use the previous one */
8311 c = *eap->arg;
8312 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8313 c = '@';
8314 /* Put the register in the typeahead buffer with the "silent" flag. */
8315 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8316 == FAIL)
8317 {
8318 beep_flush();
8319 }
8320 else
8321 {
8322 int save_efr = exec_from_reg;
8323
8324 exec_from_reg = TRUE;
8325
8326 /*
8327 * Execute from the typeahead buffer.
8328 * Originally this didn't check for the typeahead buffer to be empty,
8329 * thus could read more Ex commands from stdin. It's not clear why,
8330 * it is certainly unexpected.
8331 */
8332 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8333 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8334
8335 exec_from_reg = save_efr;
8336 }
8337 }
8338
8339 /*
8340 * ":!".
8341 */
8342 static void
8343 ex_bang(eap)
8344 exarg_T *eap;
8345 {
8346 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8347 }
8348
8349 /*
8350 * ":undo".
8351 */
8352 /*ARGSUSED*/
8353 static void
8354 ex_undo(eap)
8355 exarg_T *eap;
8356 {
8357 if (eap->addr_count == 1) /* :undo 123 */
8358 undo_time(eap->line2, FALSE, TRUE);
8359 else
8360 u_undo(1);
8361 }
8362
8363 /*
8364 * ":redo".
8365 */
8366 /*ARGSUSED*/
8367 static void
8368 ex_redo(eap)
8369 exarg_T *eap;
8370 {
8371 u_redo(1);
8372 }
8373
8374 /*
8375 * ":earlier" and ":later".
8376 */
8377 /*ARGSUSED*/
8378 static void
8379 ex_later(eap)
8380 exarg_T *eap;
8381 {
8382 long count = 0;
8383 int sec = FALSE;
8384 char_u *p = eap->arg;
8385
8386 if (*p == NUL)
8387 count = 1;
8388 else if (isdigit(*p))
8389 {
8390 count = getdigits(&p);
8391 switch (*p)
8392 {
8393 case 's': ++p; sec = TRUE; break;
8394 case 'm': ++p; sec = TRUE; count *= 60; break;
8395 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8396 }
8397 }
8398
8399 if (*p != NUL)
8400 EMSG2(_(e_invarg2), eap->arg);
8401 else
8402 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8403 }
8404
8405 /*
8406 * ":redir": start/stop redirection.
8407 */
8408 static void
8409 ex_redir(eap)
8410 exarg_T *eap;
8411 {
8412 char *mode;
8413 char_u *fname;
8414 char_u *arg = eap->arg;
8415
8416 if (STRICMP(eap->arg, "END") == 0)
8417 close_redir();
8418 else
8419 {
8420 if (*arg == '>')
8421 {
8422 ++arg;
8423 if (*arg == '>')
8424 {
8425 ++arg;
8426 mode = "a";
8427 }
8428 else
8429 mode = "w";
8430 arg = skipwhite(arg);
8431
8432 close_redir();
8433
8434 /* Expand environment variables and "~/". */
8435 fname = expand_env_save(arg);
8436 if (fname == NULL)
8437 return;
8438 #ifdef FEAT_BROWSE
8439 if (cmdmod.browse)
8440 {
8441 char_u *browseFile;
8442
8443 browseFile = do_browse(BROWSE_SAVE,
8444 (char_u *)_("Save Redirection"),
8445 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8446 if (browseFile == NULL)
8447 return; /* operation cancelled */
8448 vim_free(fname);
8449 fname = browseFile;
8450 eap->forceit = TRUE; /* since dialog already asked */
8451 }
8452 #endif
8453
8454 redir_fd = open_exfile(fname, eap->forceit, mode);
8455 vim_free(fname);
8456 }
8457 #ifdef FEAT_EVAL
8458 else if (*arg == '@')
8459 {
8460 /* redirect to a register a-z (resp. A-Z for appending) */
8461 close_redir();
8462 ++arg;
8463 if (ASCII_ISALPHA(*arg)
8464 # ifdef FEAT_CLIPBOARD
8465 || *arg == '*'
8466 || *arg == '+'
8467 # endif
8468 || *arg == '"')
8469 {
8470 redir_reg = *arg++;
8471 if (*arg == '>' && arg[1] == '>') /* append */
8472 arg += 2;
8473 else
8474 {
8475 /* Can use both "@a" and "@a>". */
8476 if (*arg == '>')
8477 arg++;
8478 /* Make register empty when not using @A-@Z and the
8479 * command is valid. */
8480 if (*arg == NUL && !isupper(redir_reg))
8481 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8482 }
8483 }
8484 if (*arg != NUL)
8485 {
8486 redir_reg = 0;
8487 EMSG2(_(e_invarg2), eap->arg);
8488 }
8489 }
8490 else if (*arg == '=' && arg[1] == '>')
8491 {
8492 int append;
8493
8494 /* redirect to a variable */
8495 close_redir();
8496 arg += 2;
8497
8498 if (*arg == '>')
8499 {
8500 ++arg;
8501 append = TRUE;
8502 }
8503 else
8504 append = FALSE;
8505
8506 if (var_redir_start(skipwhite(arg), append) == OK)
8507 redir_vname = 1;
8508 }
8509 #endif
8510
8511 /* TODO: redirect to a buffer */
8512
8513 else
8514 EMSG2(_(e_invarg2), eap->arg);
8515 }
8516
8517 /* Make sure redirection is not off. Can happen for cmdline completion
8518 * that indirectly invokes a command to catch its output. */
8519 if (redir_fd != NULL
8520 #ifdef FEAT_EVAL
8521 || redir_reg || redir_vname
8522 #endif
8523 )
8524 redir_off = FALSE;
8525 }
8526
8527 /*
8528 * ":redraw": force redraw
8529 */
8530 static void
8531 ex_redraw(eap)
8532 exarg_T *eap;
8533 {
8534 int r = RedrawingDisabled;
8535 int p = p_lz;
8536
8537 RedrawingDisabled = 0;
8538 p_lz = FALSE;
8539 update_topline();
8540 update_screen(eap->forceit ? CLEAR :
8541 #ifdef FEAT_VISUAL
8542 VIsual_active ? INVERTED :
8543 #endif
8544 0);
8545 #ifdef FEAT_TITLE
8546 if (need_maketitle)
8547 maketitle();
8548 #endif
8549 RedrawingDisabled = r;
8550 p_lz = p;
8551
8552 /* Reset msg_didout, so that a message that's there is overwritten. */
8553 msg_didout = FALSE;
8554 msg_col = 0;
8555
8556 out_flush();
8557 }
8558
8559 /*
8560 * ":redrawstatus": force redraw of status line(s)
8561 */
8562 /*ARGSUSED*/
8563 static void
8564 ex_redrawstatus(eap)
8565 exarg_T *eap;
8566 {
8567 #if defined(FEAT_WINDOWS)
8568 int r = RedrawingDisabled;
8569 int p = p_lz;
8570
8571 RedrawingDisabled = 0;
8572 p_lz = FALSE;
8573 if (eap->forceit)
8574 status_redraw_all();
8575 else
8576 status_redraw_curbuf();
8577 update_screen(
8578 # ifdef FEAT_VISUAL
8579 VIsual_active ? INVERTED :
8580 # endif
8581 0);
8582 RedrawingDisabled = r;
8583 p_lz = p;
8584 out_flush();
8585 #endif
8586 }
8587
8588 static void
8589 close_redir()
8590 {
8591 if (redir_fd != NULL)
8592 {
8593 fclose(redir_fd);
8594 redir_fd = NULL;
8595 }
8596 #ifdef FEAT_EVAL
8597 redir_reg = 0;
8598 if (redir_vname)
8599 {
8600 var_redir_stop();
8601 redir_vname = 0;
8602 }
8603 #endif
8604 }
8605
8606 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8607 # define MKSESSION_NL
8608 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8609 #endif
8610
8611 /*
8612 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8613 */
8614 static void
8615 ex_mkrc(eap)
8616 exarg_T *eap;
8617 {
8618 FILE *fd;
8619 int failed = FALSE;
8620 char_u *fname;
8621 #ifdef FEAT_BROWSE
8622 char_u *browseFile = NULL;
8623 #endif
8624 #ifdef FEAT_SESSION
8625 int view_session = FALSE;
8626 int using_vdir = FALSE; /* using 'viewdir'? */
8627 char_u *viewFile = NULL;
8628 unsigned *flagp;
8629 #endif
8630
8631 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8632 {
8633 #ifdef FEAT_SESSION
8634 view_session = TRUE;
8635 #else
8636 ex_ni(eap);
8637 return;
8638 #endif
8639 }
8640
8641 #ifdef FEAT_SESSION
8642 did_lcd = FALSE;
8643
8644 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8645 if (eap->cmdidx == CMD_mkview
8646 && (*eap->arg == NUL
8647 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8648 {
8649 eap->forceit = TRUE;
8650 fname = get_view_file(*eap->arg);
8651 if (fname == NULL)
8652 return;
8653 viewFile = fname;
8654 using_vdir = TRUE;
8655 }
8656 else
8657 #endif
8658 if (*eap->arg != NUL)
8659 fname = eap->arg;
8660 else if (eap->cmdidx == CMD_mkvimrc)
8661 fname = (char_u *)VIMRC_FILE;
8662 #ifdef FEAT_SESSION
8663 else if (eap->cmdidx == CMD_mksession)
8664 fname = (char_u *)SESSION_FILE;
8665 #endif
8666 else
8667 fname = (char_u *)EXRC_FILE;
8668
8669 #ifdef FEAT_BROWSE
8670 if (cmdmod.browse)
8671 {
8672 browseFile = do_browse(BROWSE_SAVE,
8673 # ifdef FEAT_SESSION
8674 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8675 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8676 # endif
8677 (char_u *)_("Save Setup"),
8678 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8679 if (browseFile == NULL)
8680 goto theend;
8681 fname = browseFile;
8682 eap->forceit = TRUE; /* since dialog already asked */
8683 }
8684 #endif
8685
8686 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8687 /* When using 'viewdir' may have to create the directory. */
8688 if (using_vdir && !mch_isdir(p_vdir))
8689 vim_mkdir_emsg(p_vdir, 0755);
8690 #endif
8691
8692 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8693 if (fd != NULL)
8694 {
8695 #ifdef FEAT_SESSION
8696 if (eap->cmdidx == CMD_mkview)
8697 flagp = &vop_flags;
8698 else
8699 flagp = &ssop_flags;
8700 #endif
8701
8702 #ifdef MKSESSION_NL
8703 /* "unix" in 'sessionoptions': use NL line separator */
8704 if (view_session && (*flagp & SSOP_UNIX))
8705 mksession_nl = TRUE;
8706 #endif
8707
8708 /* Write the version command for :mkvimrc */
8709 if (eap->cmdidx == CMD_mkvimrc)
8710 (void)put_line(fd, "version 6.0");
8711
8712 #ifdef FEAT_SESSION
8713 if (eap->cmdidx == CMD_mksession)
8714 {
8715 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8716 failed = TRUE;
8717 }
8718
8719 if (eap->cmdidx != CMD_mkview)
8720 #endif
8721 {
8722 /* Write setting 'compatible' first, because it has side effects.
8723 * For that same reason only do it when needed. */
8724 if (p_cp)
8725 (void)put_line(fd, "if !&cp | set cp | endif");
8726 else
8727 (void)put_line(fd, "if &cp | set nocp | endif");
8728 }
8729
8730 #ifdef FEAT_SESSION
8731 if (!view_session
8732 || (eap->cmdidx == CMD_mksession
8733 && (*flagp & SSOP_OPTIONS)))
8734 #endif
8735 failed |= (makemap(fd, NULL) == FAIL
8736 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8737
8738 #ifdef FEAT_SESSION
8739 if (!failed && view_session)
8740 {
8741 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8742 failed = TRUE;
8743 if (eap->cmdidx == CMD_mksession)
8744 {
8745 char_u dirnow[MAXPATHL]; /* current directory */
8746
8747 /*
8748 * Change to session file's dir.
8749 */
8750 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8751 || mch_chdir((char *)dirnow) != 0)
8752 *dirnow = NUL;
8753 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8754 {
8755 if (vim_chdirfile(fname) == OK)
8756 shorten_fnames(TRUE);
8757 }
8758 else if (*dirnow != NUL
8759 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8760 {
8761 (void)mch_chdir((char *)globaldir);
8762 shorten_fnames(TRUE);
8763 }
8764
8765 failed |= (makeopens(fd, dirnow) == FAIL);
8766
8767 /* restore original dir */
8768 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8769 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8770 {
8771 if (mch_chdir((char *)dirnow) != 0)
8772 EMSG(_(e_prev_dir));
8773 shorten_fnames(TRUE);
8774 }
8775 }
8776 else
8777 {
8778 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8779 -1) == FAIL);
8780 }
8781 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8782 == FAIL)
8783 failed = TRUE;
8784 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8785 failed = TRUE;
8786 if (eap->cmdidx == CMD_mksession)
8787 {
8788 if (put_line(fd, "unlet SessionLoad") == FAIL)
8789 failed = TRUE;
8790 }
8791 }
8792 #endif
8793 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8794 failed = TRUE;
8795
8796 failed |= fclose(fd);
8797
8798 if (failed)
8799 EMSG(_(e_write));
8800 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8801 else if (eap->cmdidx == CMD_mksession)
8802 {
8803 /* successful session write - set this_session var */
8804 char_u tbuf[MAXPATHL];
8805
8806 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8807 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8808 }
8809 #endif
8810 #ifdef MKSESSION_NL
8811 mksession_nl = FALSE;
8812 #endif
8813 }
8814
8815 #ifdef FEAT_BROWSE
8816 theend:
8817 vim_free(browseFile);
8818 #endif
8819 #ifdef FEAT_SESSION
8820 vim_free(viewFile);
8821 #endif
8822 }
8823
8824 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8825 || defined(PROTO)
8826 /*ARGSUSED*/
8827 int
8828 vim_mkdir_emsg(name, prot)
8829 char_u *name;
8830 int prot;
8831 {
8832 if (vim_mkdir(name, prot) != 0)
8833 {
8834 EMSG2(_("E739: Cannot create directory: %s"), name);
8835 return FAIL;
8836 }
8837 return OK;
8838 }
8839 #endif
8840
8841 /*
8842 * Open a file for writing for an Ex command, with some checks.
8843 * Return file descriptor, or NULL on failure.
8844 */
8845 FILE *
8846 open_exfile(fname, forceit, mode)
8847 char_u *fname;
8848 int forceit;
8849 char *mode; /* "w" for create new file or "a" for append */
8850 {
8851 FILE *fd;
8852
8853 #ifdef UNIX
8854 /* with Unix it is possible to open a directory */
8855 if (mch_isdir(fname))
8856 {
8857 EMSG2(_(e_isadir2), fname);
8858 return NULL;
8859 }
8860 #endif
8861 if (!forceit && *mode != 'a' && vim_fexists(fname))
8862 {
8863 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8864 return NULL;
8865 }
8866
8867 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8868 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8869
8870 return fd;
8871 }
8872
8873 /*
8874 * ":mark" and ":k".
8875 */
8876 static void
8877 ex_mark(eap)
8878 exarg_T *eap;
8879 {
8880 pos_T pos;
8881
8882 if (*eap->arg == NUL) /* No argument? */
8883 EMSG(_(e_argreq));
8884 else if (eap->arg[1] != NUL) /* more than one character? */
8885 EMSG(_(e_trailing));
8886 else
8887 {
8888 pos = curwin->w_cursor; /* save curwin->w_cursor */
8889 curwin->w_cursor.lnum = eap->line2;
8890 beginline(BL_WHITE | BL_FIX);
8891 if (setmark(*eap->arg) == FAIL) /* set mark */
8892 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8893 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8894 }
8895 }
8896
8897 /*
8898 * Update w_topline, w_leftcol and the cursor position.
8899 */
8900 void
8901 update_topline_cursor()
8902 {
8903 check_cursor(); /* put cursor on valid line */
8904 update_topline();
8905 if (!curwin->w_p_wrap)
8906 validate_cursor();
8907 update_curswant();
8908 }
8909
8910 #ifdef FEAT_EX_EXTRA
8911 /*
8912 * ":normal[!] {commands}": Execute normal mode commands.
8913 */
8914 static void
8915 ex_normal(eap)
8916 exarg_T *eap;
8917 {
8918 int save_msg_scroll = msg_scroll;
8919 int save_restart_edit = restart_edit;
8920 int save_msg_didout = msg_didout;
8921 int save_State = State;
8922 tasave_T tabuf;
8923 int save_insertmode = p_im;
8924 int save_finish_op = finish_op;
8925 #ifdef FEAT_MBYTE
8926 char_u *arg = NULL;
8927 int l;
8928 char_u *p;
8929 #endif
8930
8931 if (ex_normal_lock > 0)
8932 {
8933 EMSG(_(e_secure));
8934 return;
8935 }
8936 if (ex_normal_busy >= p_mmd)
8937 {
8938 EMSG(_("E192: Recursive use of :normal too deep"));
8939 return;
8940 }
8941 ++ex_normal_busy;
8942
8943 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8944 restart_edit = 0; /* don't go to Insert mode */
8945 p_im = FALSE; /* don't use 'insertmode' */
8946
8947 #ifdef FEAT_MBYTE
8948 /*
8949 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8950 * this for the K_SPECIAL leading byte, otherwise special keys will not
8951 * work.
8952 */
8953 if (has_mbyte)
8954 {
8955 int len = 0;
8956
8957 /* Count the number of characters to be escaped. */
8958 for (p = eap->arg; *p != NUL; ++p)
8959 {
8960 # ifdef FEAT_GUI
8961 if (*p == CSI) /* leadbyte CSI */
8962 len += 2;
8963 # endif
8964 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8965 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8966 # ifdef FEAT_GUI
8967 || *p == CSI
8968 # endif
8969 )
8970 len += 2;
8971 }
8972 if (len > 0)
8973 {
8974 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8975 if (arg != NULL)
8976 {
8977 len = 0;
8978 for (p = eap->arg; *p != NUL; ++p)
8979 {
8980 arg[len++] = *p;
8981 # ifdef FEAT_GUI
8982 if (*p == CSI)
8983 {
8984 arg[len++] = KS_EXTRA;
8985 arg[len++] = (int)KE_CSI;
8986 }
8987 # endif
8988 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8989 {
8990 arg[len++] = *++p;
8991 if (*p == K_SPECIAL)
8992 {
8993 arg[len++] = KS_SPECIAL;
8994 arg[len++] = KE_FILLER;
8995 }
8996 # ifdef FEAT_GUI
8997 else if (*p == CSI)
8998 {
8999 arg[len++] = KS_EXTRA;
9000 arg[len++] = (int)KE_CSI;
9001 }
9002 # endif
9003 }
9004 arg[len] = NUL;
9005 }
9006 }
9007 }
9008 }
9009 #endif
9010
9011 /*
9012 * Save the current typeahead. This is required to allow using ":normal"
9013 * from an event handler and makes sure we don't hang when the argument
9014 * ends with half a command.
9015 */
9016 save_typeahead(&tabuf);
9017 if (tabuf.typebuf_valid)
9018 {
9019 /*
9020 * Repeat the :normal command for each line in the range. When no
9021 * range given, execute it just once, without positioning the cursor
9022 * first.
9023 */
9024 do
9025 {
9026 if (eap->addr_count != 0)
9027 {
9028 curwin->w_cursor.lnum = eap->line1++;
9029 curwin->w_cursor.col = 0;
9030 }
9031
9032 exec_normal_cmd(
9033 #ifdef FEAT_MBYTE
9034 arg != NULL ? arg :
9035 #endif
9036 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9037 }
9038 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9039 }
9040
9041 /* Might not return to the main loop when in an event handler. */
9042 update_topline_cursor();
9043
9044 /* Restore the previous typeahead. */
9045 restore_typeahead(&tabuf);
9046
9047 --ex_normal_busy;
9048 msg_scroll = save_msg_scroll;
9049 restart_edit = save_restart_edit;
9050 p_im = save_insertmode;
9051 finish_op = save_finish_op;
9052 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9053
9054 /* Restore the state (needed when called from a function executed for
9055 * 'indentexpr'). */
9056 State = save_State;
9057 #ifdef FEAT_MBYTE
9058 vim_free(arg);
9059 #endif
9060 }
9061
9062 /*
9063 * ":startinsert", ":startreplace" and ":startgreplace"
9064 */
9065 static void
9066 ex_startinsert(eap)
9067 exarg_T *eap;
9068 {
9069 if (eap->forceit)
9070 {
9071 coladvance((colnr_T)MAXCOL);
9072 curwin->w_curswant = MAXCOL;
9073 curwin->w_set_curswant = FALSE;
9074 }
9075
9076 /* Ignore the command when already in Insert mode. Inserting an
9077 * expression register that invokes a function can do this. */
9078 if (State & INSERT)
9079 return;
9080
9081 if (eap->cmdidx == CMD_startinsert)
9082 restart_edit = 'a';
9083 else if (eap->cmdidx == CMD_startreplace)
9084 restart_edit = 'R';
9085 else
9086 restart_edit = 'V';
9087
9088 if (!eap->forceit)
9089 {
9090 if (eap->cmdidx == CMD_startinsert)
9091 restart_edit = 'i';
9092 curwin->w_curswant = 0; /* avoid MAXCOL */
9093 }
9094 }
9095
9096 /*
9097 * ":stopinsert"
9098 */
9099 /*ARGSUSED*/
9100 static void
9101 ex_stopinsert(eap)
9102 exarg_T *eap;
9103 {
9104 restart_edit = 0;
9105 stop_insert_mode = TRUE;
9106 }
9107 #endif
9108
9109 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9110 /*
9111 * Execute normal mode command "cmd".
9112 * "remap" can be REMAP_NONE or REMAP_YES.
9113 */
9114 void
9115 exec_normal_cmd(cmd, remap, silent)
9116 char_u *cmd;
9117 int remap;
9118 int silent;
9119 {
9120 oparg_T oa;
9121
9122 /*
9123 * Stuff the argument into the typeahead buffer.
9124 * Execute normal_cmd() until there is no typeahead left.
9125 */
9126 clear_oparg(&oa);
9127 finish_op = FALSE;
9128 ins_typebuf(cmd, remap, 0, TRUE, silent);
9129 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9130 && !got_int)
9131 {
9132 update_topline_cursor();
9133 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9134 }
9135 }
9136 #endif
9137
9138 #ifdef FEAT_FIND_ID
9139 static void
9140 ex_checkpath(eap)
9141 exarg_T *eap;
9142 {
9143 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9144 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9145 (linenr_T)1, (linenr_T)MAXLNUM);
9146 }
9147
9148 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9149 /*
9150 * ":psearch"
9151 */
9152 static void
9153 ex_psearch(eap)
9154 exarg_T *eap;
9155 {
9156 g_do_tagpreview = p_pvh;
9157 ex_findpat(eap);
9158 g_do_tagpreview = 0;
9159 }
9160 #endif
9161
9162 static void
9163 ex_findpat(eap)
9164 exarg_T *eap;
9165 {
9166 int whole = TRUE;
9167 long n;
9168 char_u *p;
9169 int action;
9170
9171 switch (cmdnames[eap->cmdidx].cmd_name[2])
9172 {
9173 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9174 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9175 action = ACTION_GOTO;
9176 else
9177 action = ACTION_SHOW;
9178 break;
9179 case 'i': /* ":ilist" and ":dlist" */
9180 action = ACTION_SHOW_ALL;
9181 break;
9182 case 'u': /* ":ijump" and ":djump" */
9183 action = ACTION_GOTO;
9184 break;
9185 default: /* ":isplit" and ":dsplit" */
9186 action = ACTION_SPLIT;
9187 break;
9188 }
9189
9190 n = 1;
9191 if (vim_isdigit(*eap->arg)) /* get count */
9192 {
9193 n = getdigits(&eap->arg);
9194 eap->arg = skipwhite(eap->arg);
9195 }
9196 if (*eap->arg == '/') /* Match regexp, not just whole words */
9197 {
9198 whole = FALSE;
9199 ++eap->arg;
9200 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9201 if (*p)
9202 {
9203 *p++ = NUL;
9204 p = skipwhite(p);
9205
9206 /* Check for trailing illegal characters */
9207 if (!ends_excmd(*p))
9208 eap->errmsg = e_trailing;
9209 else
9210 eap->nextcmd = check_nextcmd(p);
9211 }
9212 }
9213 if (!eap->skip)
9214 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9215 whole, !eap->forceit,
9216 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9217 n, action, eap->line1, eap->line2);
9218 }
9219 #endif
9220
9221 #ifdef FEAT_WINDOWS
9222
9223 # ifdef FEAT_QUICKFIX
9224 /*
9225 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9226 */
9227 static void
9228 ex_ptag(eap)
9229 exarg_T *eap;
9230 {
9231 g_do_tagpreview = p_pvh;
9232 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9233 }
9234
9235 /*
9236 * ":pedit"
9237 */
9238 static void
9239 ex_pedit(eap)
9240 exarg_T *eap;
9241 {
9242 win_T *curwin_save = curwin;
9243
9244 g_do_tagpreview = p_pvh;
9245 prepare_tagpreview(TRUE);
9246 keep_help_flag = curwin_save->w_buffer->b_help;
9247 do_exedit(eap, NULL);
9248 keep_help_flag = FALSE;
9249 if (curwin != curwin_save && win_valid(curwin_save))
9250 {
9251 /* Return cursor to where we were */
9252 validate_cursor();
9253 redraw_later(VALID);
9254 win_enter(curwin_save, TRUE);
9255 }
9256 g_do_tagpreview = 0;
9257 }
9258 # endif
9259
9260 /*
9261 * ":stag", ":stselect" and ":stjump".
9262 */
9263 static void
9264 ex_stag(eap)
9265 exarg_T *eap;
9266 {
9267 postponed_split = -1;
9268 postponed_split_flags = cmdmod.split;
9269 postponed_split_tab = cmdmod.tab;
9270 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9271 postponed_split_flags = 0;
9272 postponed_split_tab = 0;
9273 }
9274 #endif
9275
9276 /*
9277 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9278 */
9279 static void
9280 ex_tag(eap)
9281 exarg_T *eap;
9282 {
9283 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9284 }
9285
9286 static void
9287 ex_tag_cmd(eap, name)
9288 exarg_T *eap;
9289 char_u *name;
9290 {
9291 int cmd;
9292
9293 switch (name[1])
9294 {
9295 case 'j': cmd = DT_JUMP; /* ":tjump" */
9296 break;
9297 case 's': cmd = DT_SELECT; /* ":tselect" */
9298 break;
9299 case 'p': cmd = DT_PREV; /* ":tprevious" */
9300 break;
9301 case 'N': cmd = DT_PREV; /* ":tNext" */
9302 break;
9303 case 'n': cmd = DT_NEXT; /* ":tnext" */
9304 break;
9305 case 'o': cmd = DT_POP; /* ":pop" */
9306 break;
9307 case 'f': /* ":tfirst" */
9308 case 'r': cmd = DT_FIRST; /* ":trewind" */
9309 break;
9310 case 'l': cmd = DT_LAST; /* ":tlast" */
9311 break;
9312 default: /* ":tag" */
9313 #ifdef FEAT_CSCOPE
9314 if (p_cst)
9315 {
9316 do_cstag(eap);
9317 return;
9318 }
9319 #endif
9320 cmd = DT_TAG;
9321 break;
9322 }
9323
9324 if (name[0] == 'l')
9325 {
9326 #ifndef FEAT_QUICKFIX
9327 ex_ni(eap);
9328 return;
9329 #else
9330 cmd = DT_LTAG;
9331 #endif
9332 }
9333
9334 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9335 eap->forceit, TRUE);
9336 }
9337
9338 /*
9339 * Evaluate cmdline variables.
9340 *
9341 * change '%' to curbuf->b_ffname
9342 * '#' to curwin->w_altfile
9343 * '<cword>' to word under the cursor
9344 * '<cWORD>' to WORD under the cursor
9345 * '<cfile>' to path name under the cursor
9346 * '<sfile>' to sourced file name
9347 * '<afile>' to file name for autocommand
9348 * '<abuf>' to buffer number for autocommand
9349 * '<amatch>' to matching name for autocommand
9350 *
9351 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9352 * "" for error without a message) and NULL is returned.
9353 * Returns an allocated string if a valid match was found.
9354 * Returns NULL if no match was found. "usedlen" then still contains the
9355 * number of characters to skip.
9356 */
9357 char_u *
9358 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9359 char_u *src; /* pointer into commandline */
9360 char_u *srcstart; /* beginning of valid memory for src */
9361 int *usedlen; /* characters after src that are used */
9362 linenr_T *lnump; /* line number for :e command, or NULL */
9363 char_u **errormsg; /* pointer to error message */
9364 int *escaped; /* return value has escaped white space (can
9365 * be NULL) */
9366 {
9367 int i;
9368 char_u *s;
9369 char_u *result;
9370 char_u *resultbuf = NULL;
9371 int resultlen;
9372 buf_T *buf;
9373 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9374 int spec_idx;
9375 #ifdef FEAT_MODIFY_FNAME
9376 int skip_mod = FALSE;
9377 #endif
9378 static char *(spec_str[]) =
9379 {
9380 "%",
9381 #define SPEC_PERC 0
9382 "#",
9383 #define SPEC_HASH 1
9384 "<cword>", /* cursor word */
9385 #define SPEC_CWORD 2
9386 "<cWORD>", /* cursor WORD */
9387 #define SPEC_CCWORD 3
9388 "<cfile>", /* cursor path name */
9389 #define SPEC_CFILE 4
9390 "<sfile>", /* ":so" file name */
9391 #define SPEC_SFILE 5
9392 #ifdef FEAT_AUTOCMD
9393 "<afile>", /* autocommand file name */
9394 # define SPEC_AFILE 6
9395 "<abuf>", /* autocommand buffer number */
9396 # define SPEC_ABUF 7
9397 "<amatch>", /* autocommand match name */
9398 # define SPEC_AMATCH 8
9399 #endif
9400 #ifdef FEAT_CLIENTSERVER
9401 "<client>"
9402 # define SPEC_CLIENT 9
9403 #endif
9404 };
9405 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9406
9407 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9408 char_u strbuf[30];
9409 #endif
9410
9411 *errormsg = NULL;
9412 if (escaped != NULL)
9413 *escaped = FALSE;
9414
9415 /*
9416 * Check if there is something to do.
9417 */
9418 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9419 {
9420 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9421 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9422 break;
9423 }
9424 if (spec_idx == SPEC_COUNT) /* no match */
9425 {
9426 *usedlen = 1;
9427 return NULL;
9428 }
9429
9430 /*
9431 * Skip when preceded with a backslash "\%" and "\#".
9432 * Note: In "\\%" the % is also not recognized!
9433 */
9434 if (src > srcstart && src[-1] == '\\')
9435 {
9436 *usedlen = 0;
9437 mch_memmove(src - 1, src, STRLEN(src) + 1); /* remove backslash */
9438 return NULL;
9439 }
9440
9441 /*
9442 * word or WORD under cursor
9443 */
9444 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9445 {
9446 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9447 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9448 if (resultlen == 0)
9449 {
9450 *errormsg = (char_u *)"";
9451 return NULL;
9452 }
9453 }
9454
9455 /*
9456 * '#': Alternate file name
9457 * '%': Current file name
9458 * File name under the cursor
9459 * File name for autocommand
9460 * and following modifiers
9461 */
9462 else
9463 {
9464 switch (spec_idx)
9465 {
9466 case SPEC_PERC: /* '%': current file */
9467 if (curbuf->b_fname == NULL)
9468 {
9469 result = (char_u *)"";
9470 valid = 0; /* Must have ":p:h" to be valid */
9471 }
9472 else
9473 #ifdef RISCOS
9474 /* Always use the full path for RISC OS if possible. */
9475 result = curbuf->b_ffname;
9476 if (result == NULL)
9477 result = curbuf->b_fname;
9478 #else
9479 result = curbuf->b_fname;
9480 #endif
9481 break;
9482
9483 case SPEC_HASH: /* '#' or "#99": alternate file */
9484 if (src[1] == '#') /* "##": the argument list */
9485 {
9486 result = arg_all();
9487 resultbuf = result;
9488 *usedlen = 2;
9489 if (escaped != NULL)
9490 *escaped = TRUE;
9491 #ifdef FEAT_MODIFY_FNAME
9492 skip_mod = TRUE;
9493 #endif
9494 break;
9495 }
9496 s = src + 1;
9497 i = (int)getdigits(&s);
9498 *usedlen = (int)(s - src); /* length of what we expand */
9499
9500 buf = buflist_findnr(i);
9501 if (buf == NULL)
9502 {
9503 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9504 return NULL;
9505 }
9506 if (lnump != NULL)
9507 *lnump = ECMD_LAST;
9508 if (buf->b_fname == NULL)
9509 {
9510 result = (char_u *)"";
9511 valid = 0; /* Must have ":p:h" to be valid */
9512 }
9513 else
9514 result = buf->b_fname;
9515 break;
9516
9517 #ifdef FEAT_SEARCHPATH
9518 case SPEC_CFILE: /* file name under cursor */
9519 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9520 if (result == NULL)
9521 {
9522 *errormsg = (char_u *)"";
9523 return NULL;
9524 }
9525 resultbuf = result; /* remember allocated string */
9526 break;
9527 #endif
9528
9529 #ifdef FEAT_AUTOCMD
9530 case SPEC_AFILE: /* file name for autocommand */
9531 result = autocmd_fname;
9532 if (result == NULL)
9533 {
9534 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9535 return NULL;
9536 }
9537 result = shorten_fname1(result);
9538 break;
9539
9540 case SPEC_ABUF: /* buffer number for autocommand */
9541 if (autocmd_bufnr <= 0)
9542 {
9543 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9544 return NULL;
9545 }
9546 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9547 result = strbuf;
9548 break;
9549
9550 case SPEC_AMATCH: /* match name for autocommand */
9551 result = autocmd_match;
9552 if (result == NULL)
9553 {
9554 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9555 return NULL;
9556 }
9557 break;
9558
9559 #endif
9560 case SPEC_SFILE: /* file name for ":so" command */
9561 result = sourcing_name;
9562 if (result == NULL)
9563 {
9564 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9565 return NULL;
9566 }
9567 break;
9568 #if defined(FEAT_CLIENTSERVER)
9569 case SPEC_CLIENT: /* Source of last submitted input */
9570 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9571 (long_u)clientWindow);
9572 result = strbuf;
9573 break;
9574 #endif
9575 }
9576
9577 resultlen = (int)STRLEN(result); /* length of new string */
9578 if (src[*usedlen] == '<') /* remove the file name extension */
9579 {
9580 ++*usedlen;
9581 #ifdef RISCOS
9582 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9583 #else
9584 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9585 #endif
9586 resultlen = (int)(s - result);
9587 }
9588 #ifdef FEAT_MODIFY_FNAME
9589 else if (!skip_mod)
9590 {
9591 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9592 &resultlen);
9593 if (result == NULL)
9594 {
9595 *errormsg = (char_u *)"";
9596 return NULL;
9597 }
9598 }
9599 #endif
9600 }
9601
9602 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9603 {
9604 if (valid != VALID_HEAD + VALID_PATH)
9605 /* xgettext:no-c-format */
9606 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9607 else
9608 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9609 result = NULL;
9610 }
9611 else
9612 result = vim_strnsave(result, resultlen);
9613 vim_free(resultbuf);
9614 return result;
9615 }
9616
9617 /*
9618 * Concatenate all files in the argument list, separated by spaces, and return
9619 * it in one allocated string.
9620 * Spaces and backslashes in the file names are escaped with a backslash.
9621 * Returns NULL when out of memory.
9622 */
9623 static char_u *
9624 arg_all()
9625 {
9626 int len;
9627 int idx;
9628 char_u *retval = NULL;
9629 char_u *p;
9630
9631 /*
9632 * Do this loop two times:
9633 * first time: compute the total length
9634 * second time: concatenate the names
9635 */
9636 for (;;)
9637 {
9638 len = 0;
9639 for (idx = 0; idx < ARGCOUNT; ++idx)
9640 {
9641 p = alist_name(&ARGLIST[idx]);
9642 if (p != NULL)
9643 {
9644 if (len > 0)
9645 {
9646 /* insert a space in between names */
9647 if (retval != NULL)
9648 retval[len] = ' ';
9649 ++len;
9650 }
9651 for ( ; *p != NUL; ++p)
9652 {
9653 if (*p == ' ' || *p == '\\')
9654 {
9655 /* insert a backslash */
9656 if (retval != NULL)
9657 retval[len] = '\\';
9658 ++len;
9659 }
9660 if (retval != NULL)
9661 retval[len] = *p;
9662 ++len;
9663 }
9664 }
9665 }
9666
9667 /* second time: break here */
9668 if (retval != NULL)
9669 {
9670 retval[len] = NUL;
9671 break;
9672 }
9673
9674 /* allocate memory */
9675 retval = alloc(len + 1);
9676 if (retval == NULL)
9677 break;
9678 }
9679
9680 return retval;
9681 }
9682
9683 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9684 /*
9685 * Expand the <sfile> string in "arg".
9686 *
9687 * Returns an allocated string, or NULL for any error.
9688 */
9689 char_u *
9690 expand_sfile(arg)
9691 char_u *arg;
9692 {
9693 char_u *errormsg;
9694 int len;
9695 char_u *result;
9696 char_u *newres;
9697 char_u *repl;
9698 int srclen;
9699 char_u *p;
9700
9701 result = vim_strsave(arg);
9702 if (result == NULL)
9703 return NULL;
9704
9705 for (p = result; *p; )
9706 {
9707 if (STRNCMP(p, "<sfile>", 7) != 0)
9708 ++p;
9709 else
9710 {
9711 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9712 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9713 if (errormsg != NULL)
9714 {
9715 if (*errormsg)
9716 emsg(errormsg);
9717 vim_free(result);
9718 return NULL;
9719 }
9720 if (repl == NULL) /* no match (cannot happen) */
9721 {
9722 p += srclen;
9723 continue;
9724 }
9725 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9726 newres = alloc(len);
9727 if (newres == NULL)
9728 {
9729 vim_free(repl);
9730 vim_free(result);
9731 return NULL;
9732 }
9733 mch_memmove(newres, result, (size_t)(p - result));
9734 STRCPY(newres + (p - result), repl);
9735 len = (int)STRLEN(newres);
9736 STRCAT(newres, p + srclen);
9737 vim_free(repl);
9738 vim_free(result);
9739 result = newres;
9740 p = newres + len; /* continue after the match */
9741 }
9742 }
9743
9744 return result;
9745 }
9746 #endif
9747
9748 #ifdef FEAT_SESSION
9749 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9750 win_T *tab_firstwin));
9751 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9752 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9753 static int ses_do_frame __ARGS((frame_T *fr));
9754 static int ses_do_win __ARGS((win_T *wp));
9755 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9756 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9757 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9758
9759 /*
9760 * Write openfile commands for the current buffers to an .exrc file.
9761 * Return FAIL on error, OK otherwise.
9762 */
9763 static int
9764 makeopens(fd, dirnow)
9765 FILE *fd;
9766 char_u *dirnow; /* Current directory name */
9767 {
9768 buf_T *buf;
9769 int only_save_windows = TRUE;
9770 int nr;
9771 int cnr = 1;
9772 int restore_size = TRUE;
9773 win_T *wp;
9774 char_u *sname;
9775 win_T *edited_win = NULL;
9776 int tabnr;
9777 win_T *tab_firstwin;
9778 frame_T *tab_topframe;
9779 int cur_arg_idx = 0;
9780 int next_arg_idx = 0;
9781
9782 if (ssop_flags & SSOP_BUFFERS)
9783 only_save_windows = FALSE; /* Save ALL buffers */
9784
9785 /*
9786 * Begin by setting the this_session variable, and then other
9787 * sessionable variables.
9788 */
9789 #ifdef FEAT_EVAL
9790 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9791 return FAIL;
9792 if (ssop_flags & SSOP_GLOBALS)
9793 if (store_session_globals(fd) == FAIL)
9794 return FAIL;
9795 #endif
9796
9797 /*
9798 * Close all windows but one.
9799 */
9800 if (put_line(fd, "silent only") == FAIL)
9801 return FAIL;
9802
9803 /*
9804 * Now a :cd command to the session directory or the current directory
9805 */
9806 if (ssop_flags & SSOP_SESDIR)
9807 {
9808 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9809 == FAIL)
9810 return FAIL;
9811 }
9812 else if (ssop_flags & SSOP_CURDIR)
9813 {
9814 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9815 if (sname == NULL
9816 || fputs("cd ", fd) < 0
9817 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9818 || put_eol(fd) == FAIL)
9819 {
9820 vim_free(sname);
9821 return FAIL;
9822 }
9823 vim_free(sname);
9824 }
9825
9826 /*
9827 * If there is an empty, unnamed buffer we will wipe it out later.
9828 * Remember the buffer number.
9829 */
9830 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9831 return FAIL;
9832 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9833 return FAIL;
9834 if (put_line(fd, "endif") == FAIL)
9835 return FAIL;
9836
9837 /*
9838 * Now save the current files, current buffer first.
9839 */
9840 if (put_line(fd, "set shortmess=aoO") == FAIL)
9841 return FAIL;
9842
9843 /* Now put the other buffers into the buffer list */
9844 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9845 {
9846 if (!(only_save_windows && buf->b_nwindows == 0)
9847 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9848 && buf->b_fname != NULL
9849 && buf->b_p_bl)
9850 {
9851 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9852 : buf->b_wininfo->wi_fpos.lnum) < 0
9853 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9854 return FAIL;
9855 }
9856 }
9857
9858 /* the global argument list */
9859 if (ses_arglist(fd, "args", &global_alist.al_ga,
9860 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9861 return FAIL;
9862
9863 if (ssop_flags & SSOP_RESIZE)
9864 {
9865 /* Note: after the restore we still check it worked!*/
9866 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9867 || put_eol(fd) == FAIL)
9868 return FAIL;
9869 }
9870
9871 #ifdef FEAT_GUI
9872 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9873 {
9874 int x, y;
9875
9876 if (gui_mch_get_winpos(&x, &y) == OK)
9877 {
9878 /* Note: after the restore we still check it worked!*/
9879 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9880 return FAIL;
9881 }
9882 }
9883 #endif
9884
9885 /*
9886 * May repeat putting Windows for each tab, when "tabpages" is in
9887 * 'sessionoptions'.
9888 * Don't use goto_tabpage(), it may change directory and trigger
9889 * autocommands.
9890 */
9891 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9892 tab_topframe = topframe;
9893 for (tabnr = 1; ; ++tabnr)
9894 {
9895 int need_tabnew = FALSE;
9896
9897 if ((ssop_flags & SSOP_TABPAGES))
9898 {
9899 tabpage_T *tp = find_tabpage(tabnr);
9900
9901 if (tp == NULL)
9902 break; /* done all tab pages */
9903 if (tp == curtab)
9904 {
9905 tab_firstwin = firstwin;
9906 tab_topframe = topframe;
9907 }
9908 else
9909 {
9910 tab_firstwin = tp->tp_firstwin;
9911 tab_topframe = tp->tp_topframe;
9912 }
9913 if (tabnr > 1)
9914 need_tabnew = TRUE;
9915 }
9916
9917 /*
9918 * Before creating the window layout, try loading one file. If this
9919 * is aborted we don't end up with a number of useless windows.
9920 * This may have side effects! (e.g., compressed or network file).
9921 */
9922 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9923 {
9924 if (ses_do_win(wp)
9925 && wp->w_buffer->b_ffname != NULL
9926 && !wp->w_buffer->b_help
9927 #ifdef FEAT_QUICKFIX
9928 && !bt_nofile(wp->w_buffer)
9929 #endif
9930 )
9931 {
9932 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9933 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9934 return FAIL;
9935 need_tabnew = FALSE;
9936 if (!wp->w_arg_idx_invalid)
9937 edited_win = wp;
9938 break;
9939 }
9940 }
9941
9942 /* If no file got edited create an empty tab page. */
9943 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9944 return FAIL;
9945
9946 /*
9947 * Save current window layout.
9948 */
9949 if (put_line(fd, "set splitbelow splitright") == FAIL)
9950 return FAIL;
9951 if (ses_win_rec(fd, tab_topframe) == FAIL)
9952 return FAIL;
9953 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9954 return FAIL;
9955 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9956 return FAIL;
9957
9958 /*
9959 * Check if window sizes can be restored (no windows omitted).
9960 * Remember the window number of the current window after restoring.
9961 */
9962 nr = 0;
9963 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9964 {
9965 if (ses_do_win(wp))
9966 ++nr;
9967 else
9968 restore_size = FALSE;
9969 if (curwin == wp)
9970 cnr = nr;
9971 }
9972
9973 /* Go to the first window. */
9974 if (put_line(fd, "wincmd t") == FAIL)
9975 return FAIL;
9976
9977 /*
9978 * If more than one window, see if sizes can be restored.
9979 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9980 * resized when moving between windows.
9981 * Do this before restoring the view, so that the topline and the
9982 * cursor can be set. This is done again below.
9983 */
9984 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9985 return FAIL;
9986 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9987 return FAIL;
9988
9989 /*
9990 * Restore the view of the window (options, file, cursor, etc.).
9991 */
9992 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9993 {
9994 if (!ses_do_win(wp))
9995 continue;
9996 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
9997 cur_arg_idx) == FAIL)
9998 return FAIL;
9999 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10000 return FAIL;
10001 next_arg_idx = wp->w_arg_idx;
10002 }
10003
10004 /* The argument index in the first tab page is zero, need to set it in
10005 * each window. For further tab pages it's the window where we do
10006 * "tabedit". */
10007 cur_arg_idx = next_arg_idx;
10008
10009 /*
10010 * Restore cursor to the current window if it's not the first one.
10011 */
10012 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10013 || put_eol(fd) == FAIL))
10014 return FAIL;
10015
10016 /*
10017 * Restore window sizes again after jumping around in windows, because
10018 * the current window has a minimum size while others may not.
10019 */
10020 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10021 return FAIL;
10022
10023 /* Don't continue in another tab page when doing only the current one
10024 * or when at the last tab page. */
10025 if (!(ssop_flags & SSOP_TABPAGES))
10026 break;
10027 }
10028
10029 if (ssop_flags & SSOP_TABPAGES)
10030 {
10031 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10032 || put_eol(fd) == FAIL)
10033 return FAIL;
10034 }
10035
10036 /*
10037 * Wipe out an empty unnamed buffer we started in.
10038 */
10039 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10040 return FAIL;
10041 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10042 return FAIL;
10043 if (put_line(fd, "endif") == FAIL)
10044 return FAIL;
10045 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10046 return FAIL;
10047
10048 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10049 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10050 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10051 return FAIL;
10052
10053 /*
10054 * Lastly, execute the x.vim file if it exists.
10055 */
10056 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10057 || put_line(fd, "if file_readable(s:sx)") == FAIL
10058 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10059 || put_line(fd, "endif") == FAIL)
10060 return FAIL;
10061
10062 return OK;
10063 }
10064
10065 static int
10066 ses_winsizes(fd, restore_size, tab_firstwin)
10067 FILE *fd;
10068 int restore_size;
10069 win_T *tab_firstwin;
10070 {
10071 int n = 0;
10072 win_T *wp;
10073
10074 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10075 {
10076 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10077 {
10078 if (!ses_do_win(wp))
10079 continue;
10080 ++n;
10081
10082 /* restore height when not full height */
10083 if (wp->w_height + wp->w_status_height < topframe->fr_height
10084 && (fprintf(fd,
10085 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10086 n, (long)wp->w_height, Rows / 2, Rows) < 0
10087 || put_eol(fd) == FAIL))
10088 return FAIL;
10089
10090 /* restore width when not full width */
10091 if (wp->w_width < Columns && (fprintf(fd,
10092 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10093 n, (long)wp->w_width, Columns / 2, Columns) < 0
10094 || put_eol(fd) == FAIL))
10095 return FAIL;
10096 }
10097 }
10098 else
10099 {
10100 /* Just equalise window sizes */
10101 if (put_line(fd, "wincmd =") == FAIL)
10102 return FAIL;
10103 }
10104 return OK;
10105 }
10106
10107 /*
10108 * Write commands to "fd" to recursively create windows for frame "fr",
10109 * horizontally and vertically split.
10110 * After the commands the last window in the frame is the current window.
10111 * Returns FAIL when writing the commands to "fd" fails.
10112 */
10113 static int
10114 ses_win_rec(fd, fr)
10115 FILE *fd;
10116 frame_T *fr;
10117 {
10118 frame_T *frc;
10119 int count = 0;
10120
10121 if (fr->fr_layout != FR_LEAF)
10122 {
10123 /* Find first frame that's not skipped and then create a window for
10124 * each following one (first frame is already there). */
10125 frc = ses_skipframe(fr->fr_child);
10126 if (frc != NULL)
10127 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10128 {
10129 /* Make window as big as possible so that we have lots of room
10130 * to split. */
10131 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10132 || put_line(fd, fr->fr_layout == FR_COL
10133 ? "split" : "vsplit") == FAIL)
10134 return FAIL;
10135 ++count;
10136 }
10137
10138 /* Go back to the first window. */
10139 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10140 ? "%dwincmd k" : "%dwincmd h", count) < 0
10141 || put_eol(fd) == FAIL))
10142 return FAIL;
10143
10144 /* Recursively create frames/windows in each window of this column or
10145 * row. */
10146 frc = ses_skipframe(fr->fr_child);
10147 while (frc != NULL)
10148 {
10149 ses_win_rec(fd, frc);
10150 frc = ses_skipframe(frc->fr_next);
10151 /* Go to next window. */
10152 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10153 return FAIL;
10154 }
10155 }
10156 return OK;
10157 }
10158
10159 /*
10160 * Skip frames that don't contain windows we want to save in the Session.
10161 * Returns NULL when there none.
10162 */
10163 static frame_T *
10164 ses_skipframe(fr)
10165 frame_T *fr;
10166 {
10167 frame_T *frc;
10168
10169 for (frc = fr; frc != NULL; frc = frc->fr_next)
10170 if (ses_do_frame(frc))
10171 break;
10172 return frc;
10173 }
10174
10175 /*
10176 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10177 * the Session.
10178 */
10179 static int
10180 ses_do_frame(fr)
10181 frame_T *fr;
10182 {
10183 frame_T *frc;
10184
10185 if (fr->fr_layout == FR_LEAF)
10186 return ses_do_win(fr->fr_win);
10187 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10188 if (ses_do_frame(frc))
10189 return TRUE;
10190 return FALSE;
10191 }
10192
10193 /*
10194 * Return non-zero if window "wp" is to be stored in the Session.
10195 */
10196 static int
10197 ses_do_win(wp)
10198 win_T *wp;
10199 {
10200 if (wp->w_buffer->b_fname == NULL
10201 #ifdef FEAT_QUICKFIX
10202 /* When 'buftype' is "nofile" can't restore the window contents. */
10203 || bt_nofile(wp->w_buffer)
10204 #endif
10205 )
10206 return (ssop_flags & SSOP_BLANK);
10207 if (wp->w_buffer->b_help)
10208 return (ssop_flags & SSOP_HELP);
10209 return TRUE;
10210 }
10211
10212 /*
10213 * Write commands to "fd" to restore the view of a window.
10214 * Caller must make sure 'scrolloff' is zero.
10215 */
10216 static int
10217 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10218 FILE *fd;
10219 win_T *wp;
10220 int add_edit; /* add ":edit" command to view */
10221 unsigned *flagp; /* vop_flags or ssop_flags */
10222 int current_arg_idx; /* current argument index of the window, use
10223 * -1 if unknown */
10224 {
10225 win_T *save_curwin;
10226 int f;
10227 int do_cursor;
10228 int did_next = FALSE;
10229
10230 /* Always restore cursor position for ":mksession". For ":mkview" only
10231 * when 'viewoptions' contains "cursor". */
10232 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10233
10234 /*
10235 * Local argument list.
10236 */
10237 if (wp->w_alist == &global_alist)
10238 {
10239 if (put_line(fd, "argglobal") == FAIL)
10240 return FAIL;
10241 }
10242 else
10243 {
10244 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10245 flagp == &vop_flags
10246 || !(*flagp & SSOP_CURDIR)
10247 || wp->w_localdir != NULL, flagp) == FAIL)
10248 return FAIL;
10249 }
10250
10251 /* Only when part of a session: restore the argument index. Some
10252 * arguments may have been deleted, check if the index is valid. */
10253 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10254 && flagp == &ssop_flags)
10255 {
10256 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10257 || put_eol(fd) == FAIL)
10258 return FAIL;
10259 did_next = TRUE;
10260 }
10261
10262 /* Edit the file. Skip this when ":next" already did it. */
10263 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10264 {
10265 /*
10266 * Load the file.
10267 */
10268 if (wp->w_buffer->b_ffname != NULL
10269 #ifdef FEAT_QUICKFIX
10270 && !bt_nofile(wp->w_buffer)
10271 #endif
10272 )
10273 {
10274 /*
10275 * Editing a file in this buffer: use ":edit file".
10276 * This may have side effects! (e.g., compressed or network file).
10277 */
10278 if (fputs("edit ", fd) < 0
10279 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10280 return FAIL;
10281 }
10282 else
10283 {
10284 /* No file in this buffer, just make it empty. */
10285 if (put_line(fd, "enew") == FAIL)
10286 return FAIL;
10287 #ifdef FEAT_QUICKFIX
10288 if (wp->w_buffer->b_ffname != NULL)
10289 {
10290 /* The buffer does have a name, but it's not a file name. */
10291 if (fputs("file ", fd) < 0
10292 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10293 return FAIL;
10294 }
10295 #endif
10296 do_cursor = FALSE;
10297 }
10298 }
10299
10300 /*
10301 * Local mappings and abbreviations.
10302 */
10303 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10304 && makemap(fd, wp->w_buffer) == FAIL)
10305 return FAIL;
10306
10307 /*
10308 * Local options. Need to go to the window temporarily.
10309 * Store only local values when using ":mkview" and when ":mksession" is
10310 * used and 'sessionoptions' doesn't include "options".
10311 * Some folding options are always stored when "folds" is included,
10312 * otherwise the folds would not be restored correctly.
10313 */
10314 save_curwin = curwin;
10315 curwin = wp;
10316 curbuf = curwin->w_buffer;
10317 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10318 f = makeset(fd, OPT_LOCAL,
10319 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10320 #ifdef FEAT_FOLDING
10321 else if (*flagp & SSOP_FOLDS)
10322 f = makefoldset(fd);
10323 #endif
10324 else
10325 f = OK;
10326 curwin = save_curwin;
10327 curbuf = curwin->w_buffer;
10328 if (f == FAIL)
10329 return FAIL;
10330
10331 #ifdef FEAT_FOLDING
10332 /*
10333 * Save Folds when 'buftype' is empty and for help files.
10334 */
10335 if ((*flagp & SSOP_FOLDS)
10336 && wp->w_buffer->b_ffname != NULL
10337 # ifdef FEAT_QUICKFIX
10338 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10339 # endif
10340 )
10341 {
10342 if (put_folds(fd, wp) == FAIL)
10343 return FAIL;
10344 }
10345 #endif
10346
10347 /*
10348 * Set the cursor after creating folds, since that moves the cursor.
10349 */
10350 if (do_cursor)
10351 {
10352
10353 /* Restore the cursor line in the file and relatively in the
10354 * window. Don't use "G", it changes the jumplist. */
10355 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10356 (long)wp->w_cursor.lnum,
10357 (long)(wp->w_cursor.lnum - wp->w_topline),
10358 (long)wp->w_height / 2, (long)wp->w_height) < 0
10359 || put_eol(fd) == FAIL
10360 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10361 || put_line(fd, "exe s:l") == FAIL
10362 || put_line(fd, "normal! zt") == FAIL
10363 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10364 || put_eol(fd) == FAIL)
10365 return FAIL;
10366 /* Restore the cursor column and left offset when not wrapping. */
10367 if (wp->w_cursor.col == 0)
10368 {
10369 if (put_line(fd, "normal! 0") == FAIL)
10370 return FAIL;
10371 }
10372 else
10373 {
10374 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10375 {
10376 if (fprintf(fd,
10377 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10378 (long)wp->w_cursor.col,
10379 (long)(wp->w_cursor.col - wp->w_leftcol),
10380 (long)wp->w_width / 2, (long)wp->w_width) < 0
10381 || put_eol(fd) == FAIL
10382 || put_line(fd, "if s:c > 0") == FAIL
10383 || fprintf(fd,
10384 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10385 (long)wp->w_cursor.col) < 0
10386 || put_eol(fd) == FAIL
10387 || put_line(fd, "else") == FAIL
10388 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10389 || put_eol(fd) == FAIL
10390 || put_line(fd, "endif") == FAIL)
10391 return FAIL;
10392 }
10393 else
10394 {
10395 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10396 || put_eol(fd) == FAIL)
10397 return FAIL;
10398 }
10399 }
10400 }
10401
10402 /*
10403 * Local directory.
10404 */
10405 if (wp->w_localdir != NULL)
10406 {
10407 if (fputs("lcd ", fd) < 0
10408 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10409 || put_eol(fd) == FAIL)
10410 return FAIL;
10411 did_lcd = TRUE;
10412 }
10413
10414 return OK;
10415 }
10416
10417 /*
10418 * Write an argument list to the session file.
10419 * Returns FAIL if writing fails.
10420 */
10421 static int
10422 ses_arglist(fd, cmd, gap, fullname, flagp)
10423 FILE *fd;
10424 char *cmd;
10425 garray_T *gap;
10426 int fullname; /* TRUE: use full path name */
10427 unsigned *flagp;
10428 {
10429 int i;
10430 char_u buf[MAXPATHL];
10431 char_u *s;
10432
10433 if (gap->ga_len == 0)
10434 return put_line(fd, "silent! argdel *");
10435 if (fputs(cmd, fd) < 0)
10436 return FAIL;
10437 for (i = 0; i < gap->ga_len; ++i)
10438 {
10439 /* NULL file names are skipped (only happens when out of memory). */
10440 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10441 if (s != NULL)
10442 {
10443 if (fullname)
10444 {
10445 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10446 s = buf;
10447 }
10448 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10449 return FAIL;
10450 }
10451 }
10452 return put_eol(fd);
10453 }
10454
10455 /*
10456 * Write a buffer name to the session file.
10457 * Also ends the line.
10458 * Returns FAIL if writing fails.
10459 */
10460 static int
10461 ses_fname(fd, buf, flagp)
10462 FILE *fd;
10463 buf_T *buf;
10464 unsigned *flagp;
10465 {
10466 char_u *name;
10467
10468 /* Use the short file name if the current directory is known at the time
10469 * the session file will be sourced.
10470 * Don't do this for ":mkview", we don't know the current directory.
10471 * Don't do this after ":lcd", we don't keep track of what the current
10472 * directory is. */
10473 if (buf->b_sfname != NULL
10474 && flagp == &ssop_flags
10475 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10476 && !did_lcd)
10477 name = buf->b_sfname;
10478 else
10479 name = buf->b_ffname;
10480 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10481 return FAIL;
10482 return OK;
10483 }
10484
10485 /*
10486 * Write a file name to the session file.
10487 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10488 * characters.
10489 * Returns FAIL if writing fails.
10490 */
10491 static int
10492 ses_put_fname(fd, name, flagp)
10493 FILE *fd;
10494 char_u *name;
10495 unsigned *flagp;
10496 {
10497 char_u *sname;
10498 int retval = OK;
10499 int c;
10500
10501 sname = home_replace_save(NULL, name);
10502 if (sname != NULL)
10503 name = sname;
10504 while (*name != NUL)
10505 {
10506 #ifdef FEAT_MBYTE
10507 {
10508 int l;
10509
10510 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10511 {
10512 /* copy a multibyte char */
10513 while (--l >= 0)
10514 {
10515 if (putc(*name, fd) != *name)
10516 retval = FAIL;
10517 ++name;
10518 }
10519 continue;
10520 }
10521 }
10522 #endif
10523 c = *name++;
10524 if (c == '\\' && (*flagp & SSOP_SLASH))
10525 /* change a backslash to a forward slash */
10526 c = '/';
10527 else if ((vim_strchr(escape_chars, c) != NULL
10528 #ifdef BACKSLASH_IN_FILENAME
10529 && c != '\\'
10530 #endif
10531 ) || c == '#' || c == '%')
10532 {
10533 /* escape a special character with a backslash */
10534 if (putc('\\', fd) != '\\')
10535 retval = FAIL;
10536 }
10537 if (putc(c, fd) != c)
10538 retval = FAIL;
10539 }
10540 vim_free(sname);
10541 return retval;
10542 }
10543
10544 /*
10545 * ":loadview [nr]"
10546 */
10547 static void
10548 ex_loadview(eap)
10549 exarg_T *eap;
10550 {
10551 char_u *fname;
10552
10553 fname = get_view_file(*eap->arg);
10554 if (fname != NULL)
10555 {
10556 do_source(fname, FALSE, DOSO_NONE);
10557 vim_free(fname);
10558 }
10559 }
10560
10561 /*
10562 * Get the name of the view file for the current buffer.
10563 */
10564 static char_u *
10565 get_view_file(c)
10566 int c;
10567 {
10568 int len = 0;
10569 char_u *p, *s;
10570 char_u *retval;
10571 char_u *sname;
10572
10573 if (curbuf->b_ffname == NULL)
10574 {
10575 EMSG(_(e_noname));
10576 return NULL;
10577 }
10578 sname = home_replace_save(NULL, curbuf->b_ffname);
10579 if (sname == NULL)
10580 return NULL;
10581
10582 /*
10583 * We want a file name without separators, because we're not going to make
10584 * a directory.
10585 * "normal" path separator -> "=+"
10586 * "=" -> "=="
10587 * ":" path separator -> "=-"
10588 */
10589 for (p = sname; *p; ++p)
10590 if (*p == '=' || vim_ispathsep(*p))
10591 ++len;
10592 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10593 if (retval != NULL)
10594 {
10595 STRCPY(retval, p_vdir);
10596 add_pathsep(retval);
10597 s = retval + STRLEN(retval);
10598 for (p = sname; *p; ++p)
10599 {
10600 if (*p == '=')
10601 {
10602 *s++ = '=';
10603 *s++ = '=';
10604 }
10605 else if (vim_ispathsep(*p))
10606 {
10607 *s++ = '=';
10608 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10609 || defined(VMS)
10610 if (*p == ':')
10611 *s++ = '-';
10612 else
10613 #endif
10614 *s++ = '+';
10615 }
10616 else
10617 *s++ = *p;
10618 }
10619 *s++ = '=';
10620 *s++ = c;
10621 STRCPY(s, ".vim");
10622 }
10623
10624 vim_free(sname);
10625 return retval;
10626 }
10627
10628 #endif /* FEAT_SESSION */
10629
10630 /*
10631 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10632 * Return FAIL for a write error.
10633 */
10634 int
10635 put_eol(fd)
10636 FILE *fd;
10637 {
10638 if (
10639 #ifdef USE_CRNL
10640 (
10641 # ifdef MKSESSION_NL
10642 !mksession_nl &&
10643 # endif
10644 (putc('\r', fd) < 0)) ||
10645 #endif
10646 (putc('\n', fd) < 0))
10647 return FAIL;
10648 return OK;
10649 }
10650
10651 /*
10652 * Write a line to "fd".
10653 * Return FAIL for a write error.
10654 */
10655 int
10656 put_line(fd, s)
10657 FILE *fd;
10658 char *s;
10659 {
10660 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10661 return FAIL;
10662 return OK;
10663 }
10664
10665 #ifdef FEAT_VIMINFO
10666 /*
10667 * ":rviminfo" and ":wviminfo".
10668 */
10669 static void
10670 ex_viminfo(eap)
10671 exarg_T *eap;
10672 {
10673 char_u *save_viminfo;
10674
10675 save_viminfo = p_viminfo;
10676 if (*p_viminfo == NUL)
10677 p_viminfo = (char_u *)"'100";
10678 if (eap->cmdidx == CMD_rviminfo)
10679 {
10680 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10681 EMSG(_("E195: Cannot open viminfo file for reading"));
10682 }
10683 else
10684 write_viminfo(eap->arg, eap->forceit);
10685 p_viminfo = save_viminfo;
10686 }
10687 #endif
10688
10689 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10690 /*
10691 * Make a dialog message in "buff[IOSIZE]".
10692 * "format" must contain "%s".
10693 */
10694 void
10695 dialog_msg(buff, format, fname)
10696 char_u *buff;
10697 char *format;
10698 char_u *fname;
10699 {
10700 if (fname == NULL)
10701 fname = (char_u *)_("Untitled");
10702 vim_snprintf((char *)buff, IOSIZE, format, fname);
10703 }
10704 #endif
10705
10706 /*
10707 * ":behave {mswin,xterm}"
10708 */
10709 static void
10710 ex_behave(eap)
10711 exarg_T *eap;
10712 {
10713 if (STRCMP(eap->arg, "mswin") == 0)
10714 {
10715 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10716 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10717 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10718 set_option_value((char_u *)"keymodel", 0L,
10719 (char_u *)"startsel,stopsel", 0);
10720 }
10721 else if (STRCMP(eap->arg, "xterm") == 0)
10722 {
10723 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10724 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10725 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10726 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10727 }
10728 else
10729 EMSG2(_(e_invarg2), eap->arg);
10730 }
10731
10732 #ifdef FEAT_AUTOCMD
10733 static int filetype_detect = FALSE;
10734 static int filetype_plugin = FALSE;
10735 static int filetype_indent = FALSE;
10736
10737 /*
10738 * ":filetype [plugin] [indent] {on,off,detect}"
10739 * on: Load the filetype.vim file to install autocommands for file types.
10740 * off: Load the ftoff.vim file to remove all autocommands for file types.
10741 * plugin on: load filetype.vim and ftplugin.vim
10742 * plugin off: load ftplugof.vim
10743 * indent on: load filetype.vim and indent.vim
10744 * indent off: load indoff.vim
10745 */
10746 static void
10747 ex_filetype(eap)
10748 exarg_T *eap;
10749 {
10750 char_u *arg = eap->arg;
10751 int plugin = FALSE;
10752 int indent = FALSE;
10753
10754 if (*eap->arg == NUL)
10755 {
10756 /* Print current status. */
10757 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10758 filetype_detect ? "ON" : "OFF",
10759 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10760 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10761 return;
10762 }
10763
10764 /* Accept "plugin" and "indent" in any order. */
10765 for (;;)
10766 {
10767 if (STRNCMP(arg, "plugin", 6) == 0)
10768 {
10769 plugin = TRUE;
10770 arg = skipwhite(arg + 6);
10771 continue;
10772 }
10773 if (STRNCMP(arg, "indent", 6) == 0)
10774 {
10775 indent = TRUE;
10776 arg = skipwhite(arg + 6);
10777 continue;
10778 }
10779 break;
10780 }
10781 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10782 {
10783 if (*arg == 'o' || !filetype_detect)
10784 {
10785 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10786 filetype_detect = TRUE;
10787 if (plugin)
10788 {
10789 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10790 filetype_plugin = TRUE;
10791 }
10792 if (indent)
10793 {
10794 source_runtime((char_u *)INDENT_FILE, TRUE);
10795 filetype_indent = TRUE;
10796 }
10797 }
10798 if (*arg == 'd')
10799 {
10800 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10801 do_modelines(0);
10802 }
10803 }
10804 else if (STRCMP(arg, "off") == 0)
10805 {
10806 if (plugin || indent)
10807 {
10808 if (plugin)
10809 {
10810 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10811 filetype_plugin = FALSE;
10812 }
10813 if (indent)
10814 {
10815 source_runtime((char_u *)INDOFF_FILE, TRUE);
10816 filetype_indent = FALSE;
10817 }
10818 }
10819 else
10820 {
10821 source_runtime((char_u *)FTOFF_FILE, TRUE);
10822 filetype_detect = FALSE;
10823 }
10824 }
10825 else
10826 EMSG2(_(e_invarg2), arg);
10827 }
10828
10829 /*
10830 * ":setfiletype {name}"
10831 */
10832 static void
10833 ex_setfiletype(eap)
10834 exarg_T *eap;
10835 {
10836 if (!did_filetype)
10837 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10838 }
10839 #endif
10840
10841 /*ARGSUSED*/
10842 static void
10843 ex_digraphs(eap)
10844 exarg_T *eap;
10845 {
10846 #ifdef FEAT_DIGRAPHS
10847 if (*eap->arg != NUL)
10848 putdigraph(eap->arg);
10849 else
10850 listdigraphs();
10851 #else
10852 EMSG(_("E196: No digraphs in this version"));
10853 #endif
10854 }
10855
10856 static void
10857 ex_set(eap)
10858 exarg_T *eap;
10859 {
10860 int flags = 0;
10861
10862 if (eap->cmdidx == CMD_setlocal)
10863 flags = OPT_LOCAL;
10864 else if (eap->cmdidx == CMD_setglobal)
10865 flags = OPT_GLOBAL;
10866 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10867 if (cmdmod.browse && flags == 0)
10868 ex_options(eap);
10869 else
10870 #endif
10871 (void)do_set(eap->arg, flags);
10872 }
10873
10874 #ifdef FEAT_SEARCH_EXTRA
10875 /*
10876 * ":nohlsearch"
10877 */
10878 /*ARGSUSED*/
10879 static void
10880 ex_nohlsearch(eap)
10881 exarg_T *eap;
10882 {
10883 no_hlsearch = TRUE;
10884 redraw_all_later(SOME_VALID);
10885 }
10886
10887 /*
10888 * ":[N]match {group} {pattern}"
10889 * Sets nextcmd to the start of the next command, if any. Also called when
10890 * skipping commands to find the next command.
10891 */
10892 static void
10893 ex_match(eap)
10894 exarg_T *eap;
10895 {
10896 char_u *p;
10897 char_u *g = NULL;
10898 char_u *end;
10899 int c;
10900 int id;
10901
10902 if (eap->line2 <= 3)
10903 id = eap->line2;
10904 else
10905 {
10906 EMSG(e_invcmd);
10907 return;
10908 }
10909
10910 /* First clear any old pattern. */
10911 if (!eap->skip)
10912 match_delete(curwin, id, FALSE);
10913
10914 if (ends_excmd(*eap->arg))
10915 end = eap->arg;
10916 else if ((STRNICMP(eap->arg, "none", 4) == 0
10917 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10918 end = eap->arg + 4;
10919 else
10920 {
10921 p = skiptowhite(eap->arg);
10922 if (!eap->skip)
10923 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10924 p = skipwhite(p);
10925 if (*p == NUL)
10926 {
10927 /* There must be two arguments. */
10928 EMSG2(_(e_invarg2), eap->arg);
10929 return;
10930 }
10931 end = skip_regexp(p + 1, *p, TRUE, NULL);
10932 if (!eap->skip)
10933 {
10934 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10935 {
10936 eap->errmsg = e_trailing;
10937 return;
10938 }
10939 if (*end != *p)
10940 {
10941 EMSG2(_(e_invarg2), p);
10942 return;
10943 }
10944
10945 c = *end;
10946 *end = NUL;
10947 match_add(curwin, g, p + 1, 10, id);
10948 vim_free(g);
10949 *end = c;
10950 }
10951 }
10952 eap->nextcmd = find_nextcmd(end);
10953 }
10954 #endif
10955
10956 #ifdef FEAT_CRYPT
10957 /*
10958 * ":X": Get crypt key
10959 */
10960 /*ARGSUSED*/
10961 static void
10962 ex_X(eap)
10963 exarg_T *eap;
10964 {
10965 (void)get_crypt_key(TRUE, TRUE);
10966 }
10967 #endif
10968
10969 #ifdef FEAT_FOLDING
10970 static void
10971 ex_fold(eap)
10972 exarg_T *eap;
10973 {
10974 if (foldManualAllowed(TRUE))
10975 foldCreate(eap->line1, eap->line2);
10976 }
10977
10978 static void
10979 ex_foldopen(eap)
10980 exarg_T *eap;
10981 {
10982 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10983 eap->forceit, FALSE);
10984 }
10985
10986 static void
10987 ex_folddo(eap)
10988 exarg_T *eap;
10989 {
10990 linenr_T lnum;
10991
10992 /* First set the marks for all lines closed/open. */
10993 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10994 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10995 ml_setmarked(lnum);
10996
10997 /* Execute the command on the marked lines. */
10998 global_exe(eap->arg);
10999 ml_clearmarked(); /* clear rest of the marks */
11000 }
11001 #endif
Vim for the Mac