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Merged from the latest developing branch.
[MacVim/KaoriYa.git] / src / ex_docmd.c
blobd7ef7d5cb97da22f4218f873e5919999ecd05d35
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 #ifdef HAVE_FCNTL_H
17 # include <fcntl.h> /* for chdir() */
18 #endif
19
20 static int quitmore = 0;
21 static int ex_pressedreturn = FALSE;
22 #ifndef FEAT_PRINTER
23 # define ex_hardcopy ex_ni
24 #endif
25
26 #ifdef FEAT_USR_CMDS
27 typedef struct ucmd
28 {
29 char_u *uc_name; /* The command name */
30 long_u uc_argt; /* The argument type */
31 char_u *uc_rep; /* The command's replacement string */
32 long uc_def; /* The default value for a range/count */
33 scid_T uc_scriptID; /* SID where the command was defined */
34 int uc_compl; /* completion type */
35 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
36 char_u *uc_compl_arg; /* completion argument if any */
37 # endif
38 } ucmd_T;
39
40 #define UC_BUFFER 1 /* -buffer: local to current buffer */
41
42 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
43
44 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
45 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
46
47 static void do_ucmd __ARGS((exarg_T *eap));
48 static void ex_command __ARGS((exarg_T *eap));
49 static void ex_delcommand __ARGS((exarg_T *eap));
50 # ifdef FEAT_CMDL_COMPL
51 static char_u *get_user_command_name __ARGS((int idx));
52 # endif
53
54 #else
55 # define ex_command ex_ni
56 # define ex_comclear ex_ni
57 # define ex_delcommand ex_ni
58 #endif
59
60 #ifdef FEAT_EVAL
61 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
62 #else
63 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
64 static int if_level = 0; /* depth in :if */
65 #endif
66 static char_u *find_command __ARGS((exarg_T *eap, int *full));
67
68 static void ex_abbreviate __ARGS((exarg_T *eap));
69 static void ex_map __ARGS((exarg_T *eap));
70 static void ex_unmap __ARGS((exarg_T *eap));
71 static void ex_mapclear __ARGS((exarg_T *eap));
72 static void ex_abclear __ARGS((exarg_T *eap));
73 #ifndef FEAT_MENU
74 # define ex_emenu ex_ni
75 # define ex_menu ex_ni
76 # define ex_menutranslate ex_ni
77 #endif
78 #ifdef FEAT_AUTOCMD
79 static void ex_autocmd __ARGS((exarg_T *eap));
80 static void ex_doautocmd __ARGS((exarg_T *eap));
81 #else
82 # define ex_autocmd ex_ni
83 # define ex_doautocmd ex_ni
84 # define ex_doautoall ex_ni
85 #endif
86 #ifdef FEAT_LISTCMDS
87 static void ex_bunload __ARGS((exarg_T *eap));
88 static void ex_buffer __ARGS((exarg_T *eap));
89 static void ex_bmodified __ARGS((exarg_T *eap));
90 static void ex_bnext __ARGS((exarg_T *eap));
91 static void ex_bprevious __ARGS((exarg_T *eap));
92 static void ex_brewind __ARGS((exarg_T *eap));
93 static void ex_blast __ARGS((exarg_T *eap));
94 #else
95 # define ex_bunload ex_ni
96 # define ex_buffer ex_ni
97 # define ex_bmodified ex_ni
98 # define ex_bnext ex_ni
99 # define ex_bprevious ex_ni
100 # define ex_brewind ex_ni
101 # define ex_blast ex_ni
102 # define buflist_list ex_ni
103 # define ex_checktime ex_ni
104 #endif
105 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
106 # define ex_buffer_all ex_ni
107 #endif
108 static char_u *getargcmd __ARGS((char_u **));
109 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
110 static int getargopt __ARGS((exarg_T *eap));
111 #ifndef FEAT_QUICKFIX
112 # define ex_make ex_ni
113 # define ex_cbuffer ex_ni
114 # define ex_cc ex_ni
115 # define ex_cnext ex_ni
116 # define ex_cfile ex_ni
117 # define qf_list ex_ni
118 # define qf_age ex_ni
119 # define ex_helpgrep ex_ni
120 # define ex_vimgrep ex_ni
121 #endif
122 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
123 # define ex_cclose ex_ni
124 # define ex_copen ex_ni
125 # define ex_cwindow ex_ni
126 #endif
127 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
128 # define ex_cexpr ex_ni
129 #endif
130
131 static int check_more __ARGS((int, int));
132 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
133 static void get_flags __ARGS((exarg_T *eap));
134 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
135 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
136 # define HAVE_EX_SCRIPT_NI
137 static void ex_script_ni __ARGS((exarg_T *eap));
138 #endif
139 static char_u *invalid_range __ARGS((exarg_T *eap));
140 static void correct_range __ARGS((exarg_T *eap));
141 #ifdef FEAT_QUICKFIX
142 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
143 #endif
144 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
145 static void ex_highlight __ARGS((exarg_T *eap));
146 static void ex_colorscheme __ARGS((exarg_T *eap));
147 static void ex_quit __ARGS((exarg_T *eap));
148 static void ex_cquit __ARGS((exarg_T *eap));
149 static void ex_quit_all __ARGS((exarg_T *eap));
150 #ifdef FEAT_WINDOWS
151 static void ex_close __ARGS((exarg_T *eap));
152 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
153 static void ex_only __ARGS((exarg_T *eap));
154 static void ex_resize __ARGS((exarg_T *eap));
155 static void ex_stag __ARGS((exarg_T *eap));
156 static void ex_tabclose __ARGS((exarg_T *eap));
157 static void ex_tabonly __ARGS((exarg_T *eap));
158 static void ex_tabnext __ARGS((exarg_T *eap));
159 static void ex_tabmove __ARGS((exarg_T *eap));
160 static void ex_tabs __ARGS((exarg_T *eap));
161 #else
162 # define ex_close ex_ni
163 # define ex_only ex_ni
164 # define ex_all ex_ni
165 # define ex_resize ex_ni
166 # define ex_splitview ex_ni
167 # define ex_stag ex_ni
168 # define ex_tabnext ex_ni
169 # define ex_tabmove ex_ni
170 # define ex_tabs ex_ni
171 # define ex_tabclose ex_ni
172 # define ex_tabonly ex_ni
173 #endif
174 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
175 static void ex_pclose __ARGS((exarg_T *eap));
176 static void ex_ptag __ARGS((exarg_T *eap));
177 static void ex_pedit __ARGS((exarg_T *eap));
178 #else
179 # define ex_pclose ex_ni
180 # define ex_ptag ex_ni
181 # define ex_pedit ex_ni
182 #endif
183 static void ex_hide __ARGS((exarg_T *eap));
184 static void ex_stop __ARGS((exarg_T *eap));
185 static void ex_exit __ARGS((exarg_T *eap));
186 static void ex_print __ARGS((exarg_T *eap));
187 #ifdef FEAT_BYTEOFF
188 static void ex_goto __ARGS((exarg_T *eap));
189 #else
190 # define ex_goto ex_ni
191 #endif
192 static void ex_shell __ARGS((exarg_T *eap));
193 static void ex_preserve __ARGS((exarg_T *eap));
194 static void ex_recover __ARGS((exarg_T *eap));
195 #ifndef FEAT_LISTCMDS
196 # define ex_argedit ex_ni
197 # define ex_argadd ex_ni
198 # define ex_argdelete ex_ni
199 # define ex_listdo ex_ni
200 #endif
201 static void ex_mode __ARGS((exarg_T *eap));
202 static void ex_wrongmodifier __ARGS((exarg_T *eap));
203 static void ex_find __ARGS((exarg_T *eap));
204 static void ex_open __ARGS((exarg_T *eap));
205 static void ex_edit __ARGS((exarg_T *eap));
206 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
207 # define ex_drop ex_ni
208 #endif
209 #ifndef FEAT_GUI
210 # define ex_gui ex_nogui
211 static void ex_nogui __ARGS((exarg_T *eap));
212 #endif
213 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
214 static void ex_tearoff __ARGS((exarg_T *eap));
215 #else
216 # define ex_tearoff ex_ni
217 #endif
218 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
219 static void ex_popup __ARGS((exarg_T *eap));
220 #else
221 # define ex_popup ex_ni
222 #endif
223 #ifndef FEAT_GUI_MSWIN
224 # define ex_simalt ex_ni
225 #endif
226 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
227 # define gui_mch_find_dialog ex_ni
228 # define gui_mch_replace_dialog ex_ni
229 #endif
230 #if !defined(FEAT_GUI_GTK)
231 # define ex_helpfind ex_ni
232 #endif
233 #ifndef FEAT_CSCOPE
234 # define do_cscope ex_ni
235 # define do_scscope ex_ni
236 # define do_cstag ex_ni
237 #endif
238 #ifndef FEAT_SYN_HL
239 # define ex_syntax ex_ni
240 #endif
241 #ifndef FEAT_SPELL
242 # define ex_spell ex_ni
243 # define ex_mkspell ex_ni
244 # define ex_spelldump ex_ni
245 # define ex_spellinfo ex_ni
246 # define ex_spellrepall ex_ni
247 #endif
248 #ifndef FEAT_MZSCHEME
249 # define ex_mzscheme ex_script_ni
250 # define ex_mzfile ex_ni
251 #endif
252 #ifndef FEAT_PERL
253 # define ex_perl ex_script_ni
254 # define ex_perldo ex_ni
255 #endif
256 #ifndef FEAT_PYTHON
257 # define ex_python ex_script_ni
258 # define ex_pyfile ex_ni
259 #endif
260 #ifndef FEAT_TCL
261 # define ex_tcl ex_script_ni
262 # define ex_tcldo ex_ni
263 # define ex_tclfile ex_ni
264 #endif
265 #ifndef FEAT_RUBY
266 # define ex_ruby ex_script_ni
267 # define ex_rubydo ex_ni
268 # define ex_rubyfile ex_ni
269 #endif
270 #ifndef FEAT_SNIFF
271 # define ex_sniff ex_ni
272 #endif
273 #ifndef FEAT_KEYMAP
274 # define ex_loadkeymap ex_ni
275 #endif
276 static void ex_swapname __ARGS((exarg_T *eap));
277 static void ex_syncbind __ARGS((exarg_T *eap));
278 static void ex_read __ARGS((exarg_T *eap));
279 static void ex_pwd __ARGS((exarg_T *eap));
280 static void ex_equal __ARGS((exarg_T *eap));
281 static void ex_sleep __ARGS((exarg_T *eap));
282 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
283 static void ex_winsize __ARGS((exarg_T *eap));
284 #ifdef FEAT_WINDOWS
285 static void ex_wincmd __ARGS((exarg_T *eap));
286 #else
287 # define ex_wincmd ex_ni
288 #endif
289 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
290 static void ex_winpos __ARGS((exarg_T *eap));
291 #else
292 # define ex_winpos ex_ni
293 #endif
294 static void ex_operators __ARGS((exarg_T *eap));
295 static void ex_put __ARGS((exarg_T *eap));
296 static void ex_copymove __ARGS((exarg_T *eap));
297 static void ex_may_print __ARGS((exarg_T *eap));
298 static void ex_submagic __ARGS((exarg_T *eap));
299 static void ex_join __ARGS((exarg_T *eap));
300 static void ex_at __ARGS((exarg_T *eap));
301 static void ex_bang __ARGS((exarg_T *eap));
302 static void ex_undo __ARGS((exarg_T *eap));
303 static void ex_redo __ARGS((exarg_T *eap));
304 static void ex_later __ARGS((exarg_T *eap));
305 static void ex_redir __ARGS((exarg_T *eap));
306 static void ex_redraw __ARGS((exarg_T *eap));
307 static void ex_redrawstatus __ARGS((exarg_T *eap));
308 static void close_redir __ARGS((void));
309 static void ex_mkrc __ARGS((exarg_T *eap));
310 static void ex_mark __ARGS((exarg_T *eap));
311 #ifdef FEAT_USR_CMDS
312 static char_u *uc_fun_cmd __ARGS((void));
313 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
314 #endif
315 #ifdef FEAT_EX_EXTRA
316 static void ex_normal __ARGS((exarg_T *eap));
317 static void ex_startinsert __ARGS((exarg_T *eap));
318 static void ex_stopinsert __ARGS((exarg_T *eap));
319 #else
320 # define ex_normal ex_ni
321 # define ex_align ex_ni
322 # define ex_retab ex_ni
323 # define ex_startinsert ex_ni
324 # define ex_stopinsert ex_ni
325 # define ex_helptags ex_ni
326 # define ex_sort ex_ni
327 #endif
328 #ifdef FEAT_FIND_ID
329 static void ex_checkpath __ARGS((exarg_T *eap));
330 static void ex_findpat __ARGS((exarg_T *eap));
331 #else
332 # define ex_findpat ex_ni
333 # define ex_checkpath ex_ni
334 #endif
335 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
336 static void ex_psearch __ARGS((exarg_T *eap));
337 #else
338 # define ex_psearch ex_ni
339 #endif
340 static void ex_tag __ARGS((exarg_T *eap));
341 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
342 #ifndef FEAT_EVAL
343 # define ex_scriptnames ex_ni
344 # define ex_finish ex_ni
345 # define ex_echo ex_ni
346 # define ex_echohl ex_ni
347 # define ex_execute ex_ni
348 # define ex_call ex_ni
349 # define ex_if ex_ni
350 # define ex_endif ex_ni
351 # define ex_else ex_ni
352 # define ex_while ex_ni
353 # define ex_for ex_ni
354 # define ex_continue ex_ni
355 # define ex_break ex_ni
356 # define ex_endwhile ex_ni
357 # define ex_endfor ex_ni
358 # define ex_throw ex_ni
359 # define ex_try ex_ni
360 # define ex_catch ex_ni
361 # define ex_finally ex_ni
362 # define ex_endtry ex_ni
363 # define ex_endfunction ex_ni
364 # define ex_let ex_ni
365 # define ex_unlet ex_ni
366 # define ex_lockvar ex_ni
367 # define ex_unlockvar ex_ni
368 # define ex_function ex_ni
369 # define ex_delfunction ex_ni
370 # define ex_return ex_ni
371 #endif
372 static char_u *arg_all __ARGS((void));
373 #ifdef FEAT_SESSION
374 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
375 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
376 static void ex_loadview __ARGS((exarg_T *eap));
377 static char_u *get_view_file __ARGS((int c));
378 static int did_lcd; /* whether ":lcd" was produced for a session */
379 #else
380 # define ex_loadview ex_ni
381 #endif
382 #ifndef FEAT_EVAL
383 # define ex_compiler ex_ni
384 #endif
385 #ifdef FEAT_VIMINFO
386 static void ex_viminfo __ARGS((exarg_T *eap));
387 #else
388 # define ex_viminfo ex_ni
389 #endif
390 static void ex_behave __ARGS((exarg_T *eap));
391 #ifdef FEAT_AUTOCMD
392 static void ex_filetype __ARGS((exarg_T *eap));
393 static void ex_setfiletype __ARGS((exarg_T *eap));
394 #else
395 # define ex_filetype ex_ni
396 # define ex_setfiletype ex_ni
397 #endif
398 #ifndef FEAT_DIFF
399 # define ex_diffoff ex_ni
400 # define ex_diffpatch ex_ni
401 # define ex_diffgetput ex_ni
402 # define ex_diffsplit ex_ni
403 # define ex_diffthis ex_ni
404 # define ex_diffupdate ex_ni
405 #endif
406 static void ex_digraphs __ARGS((exarg_T *eap));
407 static void ex_set __ARGS((exarg_T *eap));
408 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
409 # define ex_options ex_ni
410 #endif
411 #ifdef FEAT_SEARCH_EXTRA
412 static void ex_nohlsearch __ARGS((exarg_T *eap));
413 static void ex_match __ARGS((exarg_T *eap));
414 #else
415 # define ex_nohlsearch ex_ni
416 # define ex_match ex_ni
417 #endif
418 #ifdef FEAT_CRYPT
419 static void ex_X __ARGS((exarg_T *eap));
420 #else
421 # define ex_X ex_ni
422 #endif
423 #ifdef FEAT_FOLDING
424 static void ex_fold __ARGS((exarg_T *eap));
425 static void ex_foldopen __ARGS((exarg_T *eap));
426 static void ex_folddo __ARGS((exarg_T *eap));
427 #else
428 # define ex_fold ex_ni
429 # define ex_foldopen ex_ni
430 # define ex_folddo ex_ni
431 #endif
432 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
433 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
434 # define ex_language ex_ni
435 #endif
436 #ifndef FEAT_SIGNS
437 # define ex_sign ex_ni
438 #endif
439 #ifndef FEAT_SUN_WORKSHOP
440 # define ex_wsverb ex_ni
441 #endif
442 #ifndef FEAT_NETBEANS_INTG
443 # define ex_nbkey ex_ni
444 #endif
445
446 #ifndef FEAT_EVAL
447 # define ex_debug ex_ni
448 # define ex_breakadd ex_ni
449 # define ex_debuggreedy ex_ni
450 # define ex_breakdel ex_ni
451 # define ex_breaklist ex_ni
452 #endif
453
454 #ifndef FEAT_CMDHIST
455 # define ex_history ex_ni
456 #endif
457 #ifndef FEAT_JUMPLIST
458 # define ex_jumps ex_ni
459 # define ex_changes ex_ni
460 #endif
461
462 #ifndef FEAT_PROFILE
463 # define ex_profile ex_ni
464 #endif
465
466 /*
467 * Declare cmdnames[].
468 */
469 #define DO_DECLARE_EXCMD
470 #include "ex_cmds.h"
471
472 /*
473 * Table used to quickly search for a command, based on its first character.
474 */
475 static cmdidx_T cmdidxs[27] =
476 {
477 CMD_append,
478 CMD_buffer,
479 CMD_change,
480 CMD_delete,
481 CMD_edit,
482 CMD_file,
483 CMD_global,
484 CMD_help,
485 CMD_insert,
486 CMD_join,
487 CMD_k,
488 CMD_list,
489 CMD_move,
490 CMD_next,
491 CMD_open,
492 CMD_print,
493 CMD_quit,
494 CMD_read,
495 CMD_substitute,
496 CMD_t,
497 CMD_undo,
498 CMD_vglobal,
499 CMD_write,
500 CMD_xit,
501 CMD_yank,
502 CMD_z,
503 CMD_bang
504 };
505
506 static char_u dollar_command[2] = {'$', 0};
507
508
509 #ifdef FEAT_EVAL
510 /* Struct for storing a line inside a while/for loop */
511 typedef struct
512 {
513 char_u *line; /* command line */
514 linenr_T lnum; /* sourcing_lnum of the line */
515 } wcmd_T;
516
517 /*
518 * Structure used to store info for line position in a while or for loop.
519 * This is required, because do_one_cmd() may invoke ex_function(), which
520 * reads more lines that may come from the while/for loop.
521 */
522 struct loop_cookie
523 {
524 garray_T *lines_gap; /* growarray with line info */
525 int current_line; /* last read line from growarray */
526 int repeating; /* TRUE when looping a second time */
527 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
528 char_u *(*getline) __ARGS((int, void *, int));
529 void *cookie;
530 };
531
532 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
533 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
534 static void free_cmdlines __ARGS((garray_T *gap));
535
536 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
537 struct dbg_stuff
538 {
539 int trylevel;
540 int force_abort;
541 except_T *caught_stack;
542 char_u *vv_exception;
543 char_u *vv_throwpoint;
544 int did_emsg;
545 int got_int;
546 int did_throw;
547 int need_rethrow;
548 int check_cstack;
549 except_T *current_exception;
550 };
551
552 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
553 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
554
555 static void
556 save_dbg_stuff(dsp)
557 struct dbg_stuff *dsp;
558 {
559 dsp->trylevel = trylevel; trylevel = 0;
560 dsp->force_abort = force_abort; force_abort = FALSE;
561 dsp->caught_stack = caught_stack; caught_stack = NULL;
562 dsp->vv_exception = v_exception(NULL);
563 dsp->vv_throwpoint = v_throwpoint(NULL);
564
565 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
566 dsp->did_emsg = did_emsg; did_emsg = FALSE;
567 dsp->got_int = got_int; got_int = FALSE;
568 dsp->did_throw = did_throw; did_throw = FALSE;
569 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
570 dsp->check_cstack = check_cstack; check_cstack = FALSE;
571 dsp->current_exception = current_exception; current_exception = NULL;
572 }
573
574 static void
575 restore_dbg_stuff(dsp)
576 struct dbg_stuff *dsp;
577 {
578 suppress_errthrow = FALSE;
579 trylevel = dsp->trylevel;
580 force_abort = dsp->force_abort;
581 caught_stack = dsp->caught_stack;
582 (void)v_exception(dsp->vv_exception);
583 (void)v_throwpoint(dsp->vv_throwpoint);
584 did_emsg = dsp->did_emsg;
585 got_int = dsp->got_int;
586 did_throw = dsp->did_throw;
587 need_rethrow = dsp->need_rethrow;
588 check_cstack = dsp->check_cstack;
589 current_exception = dsp->current_exception;
590 }
591 #endif
592
593
594 /*
595 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
596 * command is given.
597 */
598 void
599 do_exmode(improved)
600 int improved; /* TRUE for "improved Ex" mode */
601 {
602 int save_msg_scroll;
603 int prev_msg_row;
604 linenr_T prev_line;
605 int changedtick;
606
607 if (improved)
608 exmode_active = EXMODE_VIM;
609 else
610 exmode_active = EXMODE_NORMAL;
611 State = NORMAL;
612
613 /* When using ":global /pat/ visual" and then "Q" we return to continue
614 * the :global command. */
615 if (global_busy)
616 return;
617
618 save_msg_scroll = msg_scroll;
619 ++RedrawingDisabled; /* don't redisplay the window */
620 ++no_wait_return; /* don't wait for return */
621 #ifdef FEAT_GUI
622 /* Ignore scrollbar and mouse events in Ex mode */
623 ++hold_gui_events;
624 #endif
625 #ifdef FEAT_SNIFF
626 want_sniff_request = 0; /* No K_SNIFF wanted */
627 #endif
628
629 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
630 while (exmode_active)
631 {
632 #ifdef FEAT_EX_EXTRA
633 /* Check for a ":normal" command and no more characters left. */
634 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
635 {
636 exmode_active = FALSE;
637 break;
638 }
639 #endif
640 msg_scroll = TRUE;
641 need_wait_return = FALSE;
642 ex_pressedreturn = FALSE;
643 ex_no_reprint = FALSE;
644 changedtick = curbuf->b_changedtick;
645 prev_msg_row = msg_row;
646 prev_line = curwin->w_cursor.lnum;
647 #ifdef FEAT_SNIFF
648 ProcessSniffRequests();
649 #endif
650 if (improved)
651 {
652 cmdline_row = msg_row;
653 do_cmdline(NULL, getexline, NULL, 0);
654 }
655 else
656 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
657 lines_left = Rows - 1;
658
659 if ((prev_line != curwin->w_cursor.lnum
660 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
661 {
662 if (curbuf->b_ml.ml_flags & ML_EMPTY)
663 EMSG(_(e_emptybuf));
664 else
665 {
666 if (ex_pressedreturn)
667 {
668 /* go up one line, to overwrite the ":<CR>" line, so the
669 * output doesn't contain empty lines. */
670 msg_row = prev_msg_row;
671 if (prev_msg_row == Rows - 1)
672 msg_row--;
673 }
674 msg_col = 0;
675 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
676 msg_clr_eos();
677 }
678 }
679 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
680 {
681 if (curbuf->b_ml.ml_flags & ML_EMPTY)
682 EMSG(_(e_emptybuf));
683 else
684 EMSG(_("E501: At end-of-file"));
685 }
686 }
687
688 #ifdef FEAT_GUI
689 --hold_gui_events;
690 #endif
691 --RedrawingDisabled;
692 --no_wait_return;
693 update_screen(CLEAR);
694 need_wait_return = FALSE;
695 msg_scroll = save_msg_scroll;
696 }
697
698 /*
699 * Execute a simple command line. Used for translated commands like "*".
700 */
701 int
702 do_cmdline_cmd(cmd)
703 char_u *cmd;
704 {
705 return do_cmdline(cmd, NULL, NULL,
706 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
707 }
708
709 /*
710 * do_cmdline(): execute one Ex command line
711 *
712 * 1. Execute "cmdline" when it is not NULL.
713 * If "cmdline" is NULL, or more lines are needed, getline() is used.
714 * 2. Split up in parts separated with '|'.
715 *
716 * This function can be called recursively!
717 *
718 * flags:
719 * DOCMD_VERBOSE - The command will be included in the error message.
720 * DOCMD_NOWAIT - Don't call wait_return() and friends.
721 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
722 * DOCMD_KEYTYPED - Don't reset KeyTyped.
723 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
724 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
725 *
726 * return FAIL if cmdline could not be executed, OK otherwise
727 */
728 int
729 do_cmdline(cmdline, getline, cookie, flags)
730 char_u *cmdline;
731 char_u *(*getline) __ARGS((int, void *, int));
732 void *cookie; /* argument for getline() */
733 int flags;
734 {
735 char_u *next_cmdline; /* next cmd to execute */
736 char_u *cmdline_copy = NULL; /* copy of cmd line */
737 int used_getline = FALSE; /* used "getline" to obtain command */
738 static int recursive = 0; /* recursive depth */
739 int msg_didout_before_start = 0;
740 int count = 0; /* line number count */
741 int did_inc = FALSE; /* incremented RedrawingDisabled */
742 int retval = OK;
743 #ifdef FEAT_EVAL
744 struct condstack cstack; /* conditional stack */
745 garray_T lines_ga; /* keep lines for ":while"/":for" */
746 int current_line = 0; /* active line in lines_ga */
747 char_u *fname = NULL; /* function or script name */
748 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
749 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
750 struct dbg_stuff debug_saved; /* saved things for debug mode */
751 int initial_trylevel;
752 struct msglist **saved_msg_list = NULL;
753 struct msglist *private_msg_list;
754
755 /* "getline" and "cookie" passed to do_one_cmd() */
756 char_u *(*cmd_getline) __ARGS((int, void *, int));
757 void *cmd_cookie;
758 struct loop_cookie cmd_loop_cookie;
759 void *real_cookie;
760 int getline_is_func;
761 #else
762 # define cmd_getline getline
763 # define cmd_cookie cookie
764 #endif
765 static int call_depth = 0; /* recursiveness */
766
767 #ifdef FEAT_EVAL
768 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
769 * location for storing error messages to be converted to an exception.
770 * This ensures that the do_errthrow() call in do_one_cmd() does not
771 * combine the messages stored by an earlier invocation of do_one_cmd()
772 * with the command name of the later one. This would happen when
773 * BufWritePost autocommands are executed after a write error. */
774 saved_msg_list = msg_list;
775 msg_list = &private_msg_list;
776 private_msg_list = NULL;
777 #endif
778
779 /* It's possible to create an endless loop with ":execute", catch that
780 * here. The value of 200 allows nested function calls, ":source", etc. */
781 if (call_depth == 200)
782 {
783 EMSG(_("E169: Command too recursive"));
784 #ifdef FEAT_EVAL
785 /* When converting to an exception, we do not include the command name
786 * since this is not an error of the specific command. */
787 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
788 msg_list = saved_msg_list;
789 #endif
790 return FAIL;
791 }
792 ++call_depth;
793
794 #ifdef FEAT_EVAL
795 cstack.cs_idx = -1;
796 cstack.cs_looplevel = 0;
797 cstack.cs_trylevel = 0;
798 cstack.cs_emsg_silent_list = NULL;
799 cstack.cs_lflags = 0;
800 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
801
802 real_cookie = getline_cookie(getline, cookie);
803
804 /* Inside a function use a higher nesting level. */
805 getline_is_func = getline_equal(getline, cookie, get_func_line);
806 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
807 ++ex_nesting_level;
808
809 /* Get the function or script name and the address where the next breakpoint
810 * line and the debug tick for a function or script are stored. */
811 if (getline_is_func)
812 {
813 fname = func_name(real_cookie);
814 breakpoint = func_breakpoint(real_cookie);
815 dbg_tick = func_dbg_tick(real_cookie);
816 }
817 else if (getline_equal(getline, cookie, getsourceline))
818 {
819 fname = sourcing_name;
820 breakpoint = source_breakpoint(real_cookie);
821 dbg_tick = source_dbg_tick(real_cookie);
822 }
823
824 /*
825 * Initialize "force_abort" and "suppress_errthrow" at the top level.
826 */
827 if (!recursive)
828 {
829 force_abort = FALSE;
830 suppress_errthrow = FALSE;
831 }
832
833 /*
834 * If requested, store and reset the global values controlling the
835 * exception handling (used when debugging). Otherwise clear it to avoid
836 * a bogus compiler warning when the optimizer uses inline functions...
837 */
838 if (flags & DOCMD_EXCRESET)
839 save_dbg_stuff(&debug_saved);
840 else
841 memset(&debug_saved, 0, 1);
842
843 initial_trylevel = trylevel;
844
845 /*
846 * "did_throw" will be set to TRUE when an exception is being thrown.
847 */
848 did_throw = FALSE;
849 #endif
850 /*
851 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
852 * cancel the whole command line, and any if/endif or loop.
853 * If force_abort is set, we cancel everything.
854 */
855 did_emsg = FALSE;
856
857 /*
858 * KeyTyped is only set when calling vgetc(). Reset it here when not
859 * calling vgetc() (sourced command lines).
860 */
861 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
862 KeyTyped = FALSE;
863
864 /*
865 * Continue executing command lines:
866 * - when inside an ":if", ":while" or ":for"
867 * - for multiple commands on one line, separated with '|'
868 * - when repeating until there are no more lines (for ":source")
869 */
870 next_cmdline = cmdline;
871 do
872 {
873 #ifdef FEAT_EVAL
874 getline_is_func = getline_equal(getline, cookie, get_func_line);
875 #endif
876
877 /* stop skipping cmds for an error msg after all endif/while/for */
878 if (next_cmdline == NULL
879 #ifdef FEAT_EVAL
880 && !force_abort
881 && cstack.cs_idx < 0
882 && !(getline_is_func && func_has_abort(real_cookie))
883 #endif
884 )
885 did_emsg = FALSE;
886
887 /*
888 * 1. If repeating a line in a loop, get a line from lines_ga.
889 * 2. If no line given: Get an allocated line with getline().
890 * 3. If a line is given: Make a copy, so we can mess with it.
891 */
892
893 #ifdef FEAT_EVAL
894 /* 1. If repeating, get a previous line from lines_ga. */
895 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
896 {
897 /* Each '|' separated command is stored separately in lines_ga, to
898 * be able to jump to it. Don't use next_cmdline now. */
899 vim_free(cmdline_copy);
900 cmdline_copy = NULL;
901
902 /* Check if a function has returned or, unless it has an unclosed
903 * try conditional, aborted. */
904 if (getline_is_func)
905 {
906 # ifdef FEAT_PROFILE
907 if (do_profiling == PROF_YES)
908 func_line_end(real_cookie);
909 # endif
910 if (func_has_ended(real_cookie))
911 {
912 retval = FAIL;
913 break;
914 }
915 }
916 #ifdef FEAT_PROFILE
917 else if (do_profiling == PROF_YES
918 && getline_equal(getline, cookie, getsourceline))
919 script_line_end();
920 #endif
921
922 /* Check if a sourced file hit a ":finish" command. */
923 if (source_finished(getline, cookie))
924 {
925 retval = FAIL;
926 break;
927 }
928
929 /* If breakpoints have been added/deleted need to check for it. */
930 if (breakpoint != NULL && dbg_tick != NULL
931 && *dbg_tick != debug_tick)
932 {
933 *breakpoint = dbg_find_breakpoint(
934 getline_equal(getline, cookie, getsourceline),
935 fname, sourcing_lnum);
936 *dbg_tick = debug_tick;
937 }
938
939 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
940 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
941
942 /* Did we encounter a breakpoint? */
943 if (breakpoint != NULL && *breakpoint != 0
944 && *breakpoint <= sourcing_lnum)
945 {
946 dbg_breakpoint(fname, sourcing_lnum);
947 /* Find next breakpoint. */
948 *breakpoint = dbg_find_breakpoint(
949 getline_equal(getline, cookie, getsourceline),
950 fname, sourcing_lnum);
951 *dbg_tick = debug_tick;
952 }
953 # ifdef FEAT_PROFILE
954 if (do_profiling == PROF_YES)
955 {
956 if (getline_is_func)
957 func_line_start(real_cookie);
958 else if (getline_equal(getline, cookie, getsourceline))
959 script_line_start();
960 }
961 # endif
962 }
963
964 if (cstack.cs_looplevel > 0)
965 {
966 /* Inside a while/for loop we need to store the lines and use them
967 * again. Pass a different "getline" function to do_one_cmd()
968 * below, so that it stores lines in or reads them from
969 * "lines_ga". Makes it possible to define a function inside a
970 * while/for loop. */
971 cmd_getline = get_loop_line;
972 cmd_cookie = (void *)&cmd_loop_cookie;
973 cmd_loop_cookie.lines_gap = &lines_ga;
974 cmd_loop_cookie.current_line = current_line;
975 cmd_loop_cookie.getline = getline;
976 cmd_loop_cookie.cookie = cookie;
977 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
978 }
979 else
980 {
981 cmd_getline = getline;
982 cmd_cookie = cookie;
983 }
984 #endif
985
986 /* 2. If no line given, get an allocated line with getline(). */
987 if (next_cmdline == NULL)
988 {
989 /*
990 * Need to set msg_didout for the first line after an ":if",
991 * otherwise the ":if" will be overwritten.
992 */
993 if (count == 1 && getline_equal(getline, cookie, getexline))
994 msg_didout = TRUE;
995 if (getline == NULL || (next_cmdline = getline(':', cookie,
996 #ifdef FEAT_EVAL
997 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
998 #else
999 0
1000 #endif
1001 )) == NULL)
1002 {
1003 /* Don't call wait_return for aborted command line. The NULL
1004 * returned for the end of a sourced file or executed function
1005 * doesn't do this. */
1006 if (KeyTyped && !(flags & DOCMD_REPEAT))
1007 need_wait_return = FALSE;
1008 retval = FAIL;
1009 break;
1010 }
1011 used_getline = TRUE;
1012
1013 /*
1014 * Keep the first typed line. Clear it when more lines are typed.
1015 */
1016 if (flags & DOCMD_KEEPLINE)
1017 {
1018 vim_free(repeat_cmdline);
1019 if (count == 0)
1020 repeat_cmdline = vim_strsave(next_cmdline);
1021 else
1022 repeat_cmdline = NULL;
1023 }
1024 }
1025
1026 /* 3. Make a copy of the command so we can mess with it. */
1027 else if (cmdline_copy == NULL)
1028 {
1029 next_cmdline = vim_strsave(next_cmdline);
1030 if (next_cmdline == NULL)
1031 {
1032 EMSG(_(e_outofmem));
1033 retval = FAIL;
1034 break;
1035 }
1036 }
1037 cmdline_copy = next_cmdline;
1038
1039 #ifdef FEAT_EVAL
1040 /*
1041 * Save the current line when inside a ":while" or ":for", and when
1042 * the command looks like a ":while" or ":for", because we may need it
1043 * later. When there is a '|' and another command, it is stored
1044 * separately, because we need to be able to jump back to it from an
1045 * :endwhile/:endfor.
1046 */
1047 if (current_line == lines_ga.ga_len
1048 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1049 {
1050 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1051 {
1052 retval = FAIL;
1053 break;
1054 }
1055 }
1056 did_endif = FALSE;
1057 #endif
1058
1059 if (count++ == 0)
1060 {
1061 /*
1062 * All output from the commands is put below each other, without
1063 * waiting for a return. Don't do this when executing commands
1064 * from a script or when being called recursive (e.g. for ":e
1065 * +command file").
1066 */
1067 if (!(flags & DOCMD_NOWAIT) && !recursive)
1068 {
1069 msg_didout_before_start = msg_didout;
1070 msg_didany = FALSE; /* no output yet */
1071 msg_start();
1072 msg_scroll = TRUE; /* put messages below each other */
1073 ++no_wait_return; /* dont wait for return until finished */
1074 ++RedrawingDisabled;
1075 did_inc = TRUE;
1076 }
1077 }
1078
1079 if (p_verbose >= 15 && sourcing_name != NULL)
1080 {
1081 ++no_wait_return;
1082 verbose_enter_scroll();
1083
1084 smsg((char_u *)_("line %ld: %s"),
1085 (long)sourcing_lnum, cmdline_copy);
1086 if (msg_silent == 0)
1087 msg_puts((char_u *)"\n"); /* don't overwrite this */
1088
1089 verbose_leave_scroll();
1090 --no_wait_return;
1091 }
1092
1093 /*
1094 * 2. Execute one '|' separated command.
1095 * do_one_cmd() will return NULL if there is no trailing '|'.
1096 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1097 */
1098 ++recursive;
1099 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1100 #ifdef FEAT_EVAL
1101 &cstack,
1102 #endif
1103 cmd_getline, cmd_cookie);
1104 --recursive;
1105
1106 #ifdef FEAT_EVAL
1107 if (cmd_cookie == (void *)&cmd_loop_cookie)
1108 /* Use "current_line" from "cmd_loop_cookie", it may have been
1109 * incremented when defining a function. */
1110 current_line = cmd_loop_cookie.current_line;
1111 #endif
1112
1113 if (next_cmdline == NULL)
1114 {
1115 vim_free(cmdline_copy);
1116 cmdline_copy = NULL;
1117 #ifdef FEAT_CMDHIST
1118 /*
1119 * If the command was typed, remember it for the ':' register.
1120 * Do this AFTER executing the command to make :@: work.
1121 */
1122 if (getline_equal(getline, cookie, getexline)
1123 && new_last_cmdline != NULL)
1124 {
1125 vim_free(last_cmdline);
1126 last_cmdline = new_last_cmdline;
1127 new_last_cmdline = NULL;
1128 }
1129 #endif
1130 }
1131 else
1132 {
1133 /* need to copy the command after the '|' to cmdline_copy, for the
1134 * next do_one_cmd() */
1135 mch_memmove(cmdline_copy, next_cmdline, STRLEN(next_cmdline) + 1);
1136 next_cmdline = cmdline_copy;
1137 }
1138
1139
1140 #ifdef FEAT_EVAL
1141 /* reset did_emsg for a function that is not aborted by an error */
1142 if (did_emsg && !force_abort
1143 && getline_equal(getline, cookie, get_func_line)
1144 && !func_has_abort(real_cookie))
1145 did_emsg = FALSE;
1146
1147 if (cstack.cs_looplevel > 0)
1148 {
1149 ++current_line;
1150
1151 /*
1152 * An ":endwhile", ":endfor" and ":continue" is handled here.
1153 * If we were executing commands, jump back to the ":while" or
1154 * ":for".
1155 * If we were not executing commands, decrement cs_looplevel.
1156 */
1157 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1158 {
1159 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1160
1161 /* Jump back to the matching ":while" or ":for". Be careful
1162 * not to use a cs_line[] from an entry that isn't a ":while"
1163 * or ":for": It would make "current_line" invalid and can
1164 * cause a crash. */
1165 if (!did_emsg && !got_int && !did_throw
1166 && cstack.cs_idx >= 0
1167 && (cstack.cs_flags[cstack.cs_idx]
1168 & (CSF_WHILE | CSF_FOR))
1169 && cstack.cs_line[cstack.cs_idx] >= 0
1170 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1171 {
1172 current_line = cstack.cs_line[cstack.cs_idx];
1173 /* remember we jumped there */
1174 cstack.cs_lflags |= CSL_HAD_LOOP;
1175 line_breakcheck(); /* check if CTRL-C typed */
1176
1177 /* Check for the next breakpoint at or after the ":while"
1178 * or ":for". */
1179 if (breakpoint != NULL)
1180 {
1181 *breakpoint = dbg_find_breakpoint(
1182 getline_equal(getline, cookie, getsourceline),
1183 fname,
1184 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1185 *dbg_tick = debug_tick;
1186 }
1187 }
1188 else
1189 {
1190 /* can only get here with ":endwhile" or ":endfor" */
1191 if (cstack.cs_idx >= 0)
1192 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1193 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1194 }
1195 }
1196
1197 /*
1198 * For a ":while" or ":for" we need to remember the line number.
1199 */
1200 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1201 {
1202 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1203 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1204 }
1205 }
1206
1207 /*
1208 * When not inside any ":while" loop, clear remembered lines.
1209 */
1210 if (cstack.cs_looplevel == 0)
1211 {
1212 if (lines_ga.ga_len > 0)
1213 {
1214 sourcing_lnum =
1215 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1216 free_cmdlines(&lines_ga);
1217 }
1218 current_line = 0;
1219 }
1220
1221 /*
1222 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1223 * being restored at the ":endtry". Reset them here and set the
1224 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1225 * This includes the case where a missing ":endif", ":endwhile" or
1226 * ":endfor" was detected by the ":finally" itself.
1227 */
1228 if (cstack.cs_lflags & CSL_HAD_FINA)
1229 {
1230 cstack.cs_lflags &= ~CSL_HAD_FINA;
1231 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1232 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1233 did_throw ? (void *)current_exception : NULL);
1234 did_emsg = got_int = did_throw = FALSE;
1235 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1236 }
1237
1238 /* Update global "trylevel" for recursive calls to do_cmdline() from
1239 * within this loop. */
1240 trylevel = initial_trylevel + cstack.cs_trylevel;
1241
1242 /*
1243 * If the outermost try conditional (across function calls and sourced
1244 * files) is aborted because of an error, an interrupt, or an uncaught
1245 * exception, cancel everything. If it is left normally, reset
1246 * force_abort to get the non-EH compatible abortion behavior for
1247 * the rest of the script.
1248 */
1249 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1250 force_abort = FALSE;
1251
1252 /* Convert an interrupt to an exception if appropriate. */
1253 (void)do_intthrow(&cstack);
1254 #endif /* FEAT_EVAL */
1255
1256 }
1257 /*
1258 * Continue executing command lines when:
1259 * - no CTRL-C typed, no aborting error, no exception thrown or try
1260 * conditionals need to be checked for executing finally clauses or
1261 * catching an interrupt exception
1262 * - didn't get an error message or lines are not typed
1263 * - there is a command after '|', inside a :if, :while, :for or :try, or
1264 * looping for ":source" command or function call.
1265 */
1266 while (!((got_int
1267 #ifdef FEAT_EVAL
1268 || (did_emsg && force_abort) || did_throw
1269 #endif
1270 )
1271 #ifdef FEAT_EVAL
1272 && cstack.cs_trylevel == 0
1273 #endif
1274 )
1275 && !(did_emsg && used_getline
1276 && (getline_equal(getline, cookie, getexmodeline)
1277 || getline_equal(getline, cookie, getexline)))
1278 && (next_cmdline != NULL
1279 #ifdef FEAT_EVAL
1280 || cstack.cs_idx >= 0
1281 #endif
1282 || (flags & DOCMD_REPEAT)));
1283
1284 vim_free(cmdline_copy);
1285 #ifdef FEAT_EVAL
1286 free_cmdlines(&lines_ga);
1287 ga_clear(&lines_ga);
1288
1289 if (cstack.cs_idx >= 0)
1290 {
1291 /*
1292 * If a sourced file or executed function ran to its end, report the
1293 * unclosed conditional.
1294 */
1295 if (!got_int && !did_throw
1296 && ((getline_equal(getline, cookie, getsourceline)
1297 && !source_finished(getline, cookie))
1298 || (getline_equal(getline, cookie, get_func_line)
1299 && !func_has_ended(real_cookie))))
1300 {
1301 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1302 EMSG(_(e_endtry));
1303 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1304 EMSG(_(e_endwhile));
1305 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1306 EMSG(_(e_endfor));
1307 else
1308 EMSG(_(e_endif));
1309 }
1310
1311 /*
1312 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1313 * ":endtry" in a sourced file or executed function. If the try
1314 * conditional is in its finally clause, ignore anything pending.
1315 * If it is in a catch clause, finish the caught exception.
1316 * Also cleanup any "cs_forinfo" structures.
1317 */
1318 do
1319 {
1320 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1321
1322 if (idx >= 0)
1323 --idx; /* remove try block not in its finally clause */
1324 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1325 &cstack.cs_looplevel);
1326 }
1327 while (cstack.cs_idx >= 0);
1328 trylevel = initial_trylevel;
1329 }
1330
1331 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1332 * lack was reported above and the error message is to be converted to an
1333 * exception, do this now after rewinding the cstack. */
1334 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1335 ? (char_u *)"endfunction" : (char_u *)NULL);
1336
1337 if (trylevel == 0)
1338 {
1339 /*
1340 * When an exception is being thrown out of the outermost try
1341 * conditional, discard the uncaught exception, disable the conversion
1342 * of interrupts or errors to exceptions, and ensure that no more
1343 * commands are executed.
1344 */
1345 if (did_throw)
1346 {
1347 void *p = NULL;
1348 char_u *saved_sourcing_name;
1349 int saved_sourcing_lnum;
1350 struct msglist *messages = NULL, *next;
1351
1352 /*
1353 * If the uncaught exception is a user exception, report it as an
1354 * error. If it is an error exception, display the saved error
1355 * message now. For an interrupt exception, do nothing; the
1356 * interrupt message is given elsewhere.
1357 */
1358 switch (current_exception->type)
1359 {
1360 case ET_USER:
1361 vim_snprintf((char *)IObuff, IOSIZE,
1362 _("E605: Exception not caught: %s"),
1363 current_exception->value);
1364 p = vim_strsave(IObuff);
1365 break;
1366 case ET_ERROR:
1367 messages = current_exception->messages;
1368 current_exception->messages = NULL;
1369 break;
1370 case ET_INTERRUPT:
1371 break;
1372 default:
1373 p = vim_strsave((char_u *)_(e_internal));
1374 }
1375
1376 saved_sourcing_name = sourcing_name;
1377 saved_sourcing_lnum = sourcing_lnum;
1378 sourcing_name = current_exception->throw_name;
1379 sourcing_lnum = current_exception->throw_lnum;
1380 current_exception->throw_name = NULL;
1381
1382 discard_current_exception(); /* uses IObuff if 'verbose' */
1383 suppress_errthrow = TRUE;
1384 force_abort = TRUE;
1385
1386 if (messages != NULL)
1387 {
1388 do
1389 {
1390 next = messages->next;
1391 emsg(messages->msg);
1392 vim_free(messages->msg);
1393 vim_free(messages);
1394 messages = next;
1395 }
1396 while (messages != NULL);
1397 }
1398 else if (p != NULL)
1399 {
1400 emsg(p);
1401 vim_free(p);
1402 }
1403 vim_free(sourcing_name);
1404 sourcing_name = saved_sourcing_name;
1405 sourcing_lnum = saved_sourcing_lnum;
1406 }
1407
1408 /*
1409 * On an interrupt or an aborting error not converted to an exception,
1410 * disable the conversion of errors to exceptions. (Interrupts are not
1411 * converted any more, here.) This enables also the interrupt message
1412 * when force_abort is set and did_emsg unset in case of an interrupt
1413 * from a finally clause after an error.
1414 */
1415 else if (got_int || (did_emsg && force_abort))
1416 suppress_errthrow = TRUE;
1417 }
1418
1419 /*
1420 * The current cstack will be freed when do_cmdline() returns. An uncaught
1421 * exception will have to be rethrown in the previous cstack. If a function
1422 * has just returned or a script file was just finished and the previous
1423 * cstack belongs to the same function or, respectively, script file, it
1424 * will have to be checked for finally clauses to be executed due to the
1425 * ":return" or ":finish". This is done in do_one_cmd().
1426 */
1427 if (did_throw)
1428 need_rethrow = TRUE;
1429 if ((getline_equal(getline, cookie, getsourceline)
1430 && ex_nesting_level > source_level(real_cookie))
1431 || (getline_equal(getline, cookie, get_func_line)
1432 && ex_nesting_level > func_level(real_cookie) + 1))
1433 {
1434 if (!did_throw)
1435 check_cstack = TRUE;
1436 }
1437 else
1438 {
1439 /* When leaving a function, reduce nesting level. */
1440 if (getline_equal(getline, cookie, get_func_line))
1441 --ex_nesting_level;
1442 /*
1443 * Go to debug mode when returning from a function in which we are
1444 * single-stepping.
1445 */
1446 if ((getline_equal(getline, cookie, getsourceline)
1447 || getline_equal(getline, cookie, get_func_line))
1448 && ex_nesting_level + 1 <= debug_break_level)
1449 do_debug(getline_equal(getline, cookie, getsourceline)
1450 ? (char_u *)_("End of sourced file")
1451 : (char_u *)_("End of function"));
1452 }
1453
1454 /*
1455 * Restore the exception environment (done after returning from the
1456 * debugger).
1457 */
1458 if (flags & DOCMD_EXCRESET)
1459 restore_dbg_stuff(&debug_saved);
1460
1461 msg_list = saved_msg_list;
1462 #endif /* FEAT_EVAL */
1463
1464 /*
1465 * If there was too much output to fit on the command line, ask the user to
1466 * hit return before redrawing the screen. With the ":global" command we do
1467 * this only once after the command is finished.
1468 */
1469 if (did_inc)
1470 {
1471 --RedrawingDisabled;
1472 --no_wait_return;
1473 msg_scroll = FALSE;
1474
1475 /*
1476 * When just finished an ":if"-":else" which was typed, no need to
1477 * wait for hit-return. Also for an error situation.
1478 */
1479 if (retval == FAIL
1480 #ifdef FEAT_EVAL
1481 || (did_endif && KeyTyped && !did_emsg)
1482 #endif
1483 )
1484 {
1485 need_wait_return = FALSE;
1486 msg_didany = FALSE; /* don't wait when restarting edit */
1487 }
1488 else if (need_wait_return)
1489 {
1490 /*
1491 * The msg_start() above clears msg_didout. The wait_return we do
1492 * here should not overwrite the command that may be shown before
1493 * doing that.
1494 */
1495 msg_didout |= msg_didout_before_start;
1496 wait_return(FALSE);
1497 }
1498 }
1499
1500 #ifndef FEAT_EVAL
1501 /*
1502 * Reset if_level, in case a sourced script file contains more ":if" than
1503 * ":endif" (could be ":if x | foo | endif").
1504 */
1505 if_level = 0;
1506 #endif
1507
1508 --call_depth;
1509 return retval;
1510 }
1511
1512 #ifdef FEAT_EVAL
1513 /*
1514 * Obtain a line when inside a ":while" or ":for" loop.
1515 */
1516 static char_u *
1517 get_loop_line(c, cookie, indent)
1518 int c;
1519 void *cookie;
1520 int indent;
1521 {
1522 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1523 wcmd_T *wp;
1524 char_u *line;
1525
1526 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1527 {
1528 if (cp->repeating)
1529 return NULL; /* trying to read past ":endwhile"/":endfor" */
1530
1531 /* First time inside the ":while"/":for": get line normally. */
1532 if (cp->getline == NULL)
1533 line = getcmdline(c, 0L, indent);
1534 else
1535 line = cp->getline(c, cp->cookie, indent);
1536 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1537 ++cp->current_line;
1538
1539 return line;
1540 }
1541
1542 KeyTyped = FALSE;
1543 ++cp->current_line;
1544 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1545 sourcing_lnum = wp->lnum;
1546 return vim_strsave(wp->line);
1547 }
1548
1549 /*
1550 * Store a line in "gap" so that a ":while" loop can execute it again.
1551 */
1552 static int
1553 store_loop_line(gap, line)
1554 garray_T *gap;
1555 char_u *line;
1556 {
1557 if (ga_grow(gap, 1) == FAIL)
1558 return FAIL;
1559 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1560 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1561 ++gap->ga_len;
1562 return OK;
1563 }
1564
1565 /*
1566 * Free the lines stored for a ":while" or ":for" loop.
1567 */
1568 static void
1569 free_cmdlines(gap)
1570 garray_T *gap;
1571 {
1572 while (gap->ga_len > 0)
1573 {
1574 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1575 --gap->ga_len;
1576 }
1577 }
1578 #endif
1579
1580 /*
1581 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1582 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1583 */
1584 /*ARGSUSED*/
1585 int
1586 getline_equal(fgetline, cookie, func)
1587 char_u *(*fgetline) __ARGS((int, void *, int));
1588 void *cookie; /* argument for fgetline() */
1589 char_u *(*func) __ARGS((int, void *, int));
1590 {
1591 #ifdef FEAT_EVAL
1592 char_u *(*gp) __ARGS((int, void *, int));
1593 struct loop_cookie *cp;
1594
1595 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1596 * function that's originally used to obtain the lines. This may be
1597 * nested several levels. */
1598 gp = fgetline;
1599 cp = (struct loop_cookie *)cookie;
1600 while (gp == get_loop_line)
1601 {
1602 gp = cp->getline;
1603 cp = cp->cookie;
1604 }
1605 return gp == func;
1606 #else
1607 return fgetline == func;
1608 #endif
1609 }
1610
1611 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1612 /*
1613 * If "fgetline" is get_loop_line(), return the cookie used by the original
1614 * getline function. Otherwise return "cookie".
1615 */
1616 /*ARGSUSED*/
1617 void *
1618 getline_cookie(fgetline, cookie)
1619 char_u *(*fgetline) __ARGS((int, void *, int));
1620 void *cookie; /* argument for fgetline() */
1621 {
1622 # ifdef FEAT_EVAL
1623 char_u *(*gp) __ARGS((int, void *, int));
1624 struct loop_cookie *cp;
1625
1626 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1627 * cookie that's originally used to obtain the lines. This may be nested
1628 * several levels. */
1629 gp = fgetline;
1630 cp = (struct loop_cookie *)cookie;
1631 while (gp == get_loop_line)
1632 {
1633 gp = cp->getline;
1634 cp = cp->cookie;
1635 }
1636 return cp;
1637 # else
1638 return cookie;
1639 # endif
1640 }
1641 #endif
1642
1643 /*
1644 * Execute one Ex command.
1645 *
1646 * If 'sourcing' is TRUE, the command will be included in the error message.
1647 *
1648 * 1. skip comment lines and leading space
1649 * 2. handle command modifiers
1650 * 3. parse range
1651 * 4. parse command
1652 * 5. parse arguments
1653 * 6. switch on command name
1654 *
1655 * Note: "fgetline" can be NULL.
1656 *
1657 * This function may be called recursively!
1658 */
1659 #if (_MSC_VER == 1200)
1660 /*
1661 * Avoid optimisation bug in VC++ version 6.0
1662 */
1663 #pragma optimize( "g", off )
1664 #endif
1665 static char_u *
1666 do_one_cmd(cmdlinep, sourcing,
1667 #ifdef FEAT_EVAL
1668 cstack,
1669 #endif
1670 fgetline, cookie)
1671 char_u **cmdlinep;
1672 int sourcing;
1673 #ifdef FEAT_EVAL
1674 struct condstack *cstack;
1675 #endif
1676 char_u *(*fgetline) __ARGS((int, void *, int));
1677 void *cookie; /* argument for fgetline() */
1678 {
1679 char_u *p;
1680 linenr_T lnum;
1681 long n;
1682 char_u *errormsg = NULL; /* error message */
1683 exarg_T ea; /* Ex command arguments */
1684 long verbose_save = -1;
1685 int save_msg_scroll = 0;
1686 int did_silent = 0;
1687 int did_esilent = 0;
1688 #ifdef HAVE_SANDBOX
1689 int did_sandbox = FALSE;
1690 #endif
1691 cmdmod_T save_cmdmod;
1692 int ni; /* set when Not Implemented */
1693
1694 vim_memset(&ea, 0, sizeof(ea));
1695 ea.line1 = 1;
1696 ea.line2 = 1;
1697 #ifdef FEAT_EVAL
1698 ++ex_nesting_level;
1699 #endif
1700
1701 /* when not editing the last file :q has to be typed twice */
1702 if (quitmore
1703 #ifdef FEAT_EVAL
1704 /* avoid that a function call in 'statusline' does this */
1705 && !getline_equal(fgetline, cookie, get_func_line)
1706 #endif
1707 )
1708 --quitmore;
1709
1710 /*
1711 * Reset browse, confirm, etc.. They are restored when returning, for
1712 * recursive calls.
1713 */
1714 save_cmdmod = cmdmod;
1715 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1716
1717 /* "#!anything" is handled like a comment. */
1718 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1719 goto doend;
1720
1721 /*
1722 * Repeat until no more command modifiers are found.
1723 */
1724 ea.cmd = *cmdlinep;
1725 for (;;)
1726 {
1727 /*
1728 * 1. skip comment lines and leading white space and colons
1729 */
1730 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1731 ++ea.cmd;
1732
1733 /* in ex mode, an empty line works like :+ */
1734 if (*ea.cmd == NUL && exmode_active
1735 && (getline_equal(fgetline, cookie, getexmodeline)
1736 || getline_equal(fgetline, cookie, getexline))
1737 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1738 {
1739 ea.cmd = (char_u *)"+";
1740 ex_pressedreturn = TRUE;
1741 }
1742
1743 /* ignore comment and empty lines */
1744 if (*ea.cmd == '"')
1745 goto doend;
1746 if (*ea.cmd == NUL)
1747 {
1748 ex_pressedreturn = TRUE;
1749 goto doend;
1750 }
1751
1752 /*
1753 * 2. handle command modifiers.
1754 */
1755 p = ea.cmd;
1756 if (VIM_ISDIGIT(*ea.cmd))
1757 p = skipwhite(skipdigits(ea.cmd));
1758 switch (*p)
1759 {
1760 /* When adding an entry, also modify cmd_exists(). */
1761 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1762 break;
1763 #ifdef FEAT_WINDOWS
1764 cmdmod.split |= WSP_ABOVE;
1765 #endif
1766 continue;
1767
1768 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1769 {
1770 #ifdef FEAT_WINDOWS
1771 cmdmod.split |= WSP_BELOW;
1772 #endif
1773 continue;
1774 }
1775 if (checkforcmd(&ea.cmd, "browse", 3))
1776 {
1777 #ifdef FEAT_BROWSE
1778 cmdmod.browse = TRUE;
1779 #endif
1780 continue;
1781 }
1782 if (!checkforcmd(&ea.cmd, "botright", 2))
1783 break;
1784 #ifdef FEAT_WINDOWS
1785 cmdmod.split |= WSP_BOT;
1786 #endif
1787 continue;
1788
1789 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1790 break;
1791 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1792 cmdmod.confirm = TRUE;
1793 #endif
1794 continue;
1795
1796 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1797 {
1798 cmdmod.keepmarks = TRUE;
1799 continue;
1800 }
1801 if (checkforcmd(&ea.cmd, "keepalt", 5))
1802 {
1803 cmdmod.keepalt = TRUE;
1804 continue;
1805 }
1806 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1807 break;
1808 cmdmod.keepjumps = TRUE;
1809 continue;
1810
1811 /* ":hide" and ":hide | cmd" are not modifiers */
1812 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1813 || *p == NUL || ends_excmd(*p))
1814 break;
1815 ea.cmd = p;
1816 cmdmod.hide = TRUE;
1817 continue;
1818
1819 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1820 {
1821 cmdmod.lockmarks = TRUE;
1822 continue;
1823 }
1824
1825 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1826 break;
1827 #ifdef FEAT_WINDOWS
1828 cmdmod.split |= WSP_ABOVE;
1829 #endif
1830 continue;
1831
1832 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1833 break;
1834 #ifdef FEAT_AUTOCMD
1835 if (cmdmod.save_ei == NULL)
1836 {
1837 /* Set 'eventignore' to "all". Restore the
1838 * existing option value later. */
1839 cmdmod.save_ei = vim_strsave(p_ei);
1840 set_string_option_direct((char_u *)"ei", -1,
1841 (char_u *)"all", OPT_FREE, SID_NONE);
1842 }
1843 #endif
1844 continue;
1845
1846 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1847 break;
1848 #ifdef FEAT_WINDOWS
1849 cmdmod.split |= WSP_BELOW;
1850 #endif
1851 continue;
1852
1853 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1854 {
1855 #ifdef HAVE_SANDBOX
1856 if (!did_sandbox)
1857 ++sandbox;
1858 did_sandbox = TRUE;
1859 #endif
1860 continue;
1861 }
1862 if (!checkforcmd(&ea.cmd, "silent", 3))
1863 break;
1864 ++did_silent;
1865 ++msg_silent;
1866 save_msg_scroll = msg_scroll;
1867 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1868 {
1869 /* ":silent!", but not "silent !cmd" */
1870 ea.cmd = skipwhite(ea.cmd + 1);
1871 ++emsg_silent;
1872 ++did_esilent;
1873 }
1874 continue;
1875
1876 case 't': if (checkforcmd(&p, "tab", 3))
1877 {
1878 #ifdef FEAT_WINDOWS
1879 if (vim_isdigit(*ea.cmd))
1880 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1881 else
1882 cmdmod.tab = tabpage_index(curtab) + 1;
1883 ea.cmd = p;
1884 #endif
1885 continue;
1886 }
1887 if (!checkforcmd(&ea.cmd, "topleft", 2))
1888 break;
1889 #ifdef FEAT_WINDOWS
1890 cmdmod.split |= WSP_TOP;
1891 #endif
1892 continue;
1893
1894 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1895 {
1896 #ifdef FEAT_VERTSPLIT
1897 cmdmod.split |= WSP_VERT;
1898 #endif
1899 continue;
1900 }
1901 if (!checkforcmd(&p, "verbose", 4))
1902 break;
1903 if (verbose_save < 0)
1904 verbose_save = p_verbose;
1905 if (vim_isdigit(*ea.cmd))
1906 p_verbose = atoi((char *)ea.cmd);
1907 else
1908 p_verbose = 1;
1909 ea.cmd = p;
1910 continue;
1911 }
1912 break;
1913 }
1914
1915 #ifdef FEAT_EVAL
1916 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1917 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1918 #else
1919 ea.skip = (if_level > 0);
1920 #endif
1921
1922 #ifdef FEAT_EVAL
1923 # ifdef FEAT_PROFILE
1924 /* Count this line for profiling if ea.skip is FALSE. */
1925 if (do_profiling == PROF_YES && !ea.skip)
1926 {
1927 if (getline_equal(fgetline, cookie, get_func_line))
1928 func_line_exec(getline_cookie(fgetline, cookie));
1929 else if (getline_equal(fgetline, cookie, getsourceline))
1930 script_line_exec();
1931 }
1932 #endif
1933
1934 /* May go to debug mode. If this happens and the ">quit" debug command is
1935 * used, throw an interrupt exception and skip the next command. */
1936 dbg_check_breakpoint(&ea);
1937 if (!ea.skip && got_int)
1938 {
1939 ea.skip = TRUE;
1940 (void)do_intthrow(cstack);
1941 }
1942 #endif
1943
1944 /*
1945 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1946 *
1947 * where 'addr' is:
1948 *
1949 * % (entire file)
1950 * $ [+-NUM]
1951 * 'x [+-NUM] (where x denotes a currently defined mark)
1952 * . [+-NUM]
1953 * [+-NUM]..
1954 * NUM
1955 *
1956 * The ea.cmd pointer is updated to point to the first character following the
1957 * range spec. If an initial address is found, but no second, the upper bound
1958 * is equal to the lower.
1959 */
1960
1961 /* repeat for all ',' or ';' separated addresses */
1962 for (;;)
1963 {
1964 ea.line1 = ea.line2;
1965 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1966 ea.cmd = skipwhite(ea.cmd);
1967 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1968 if (ea.cmd == NULL) /* error detected */
1969 goto doend;
1970 if (lnum == MAXLNUM)
1971 {
1972 if (*ea.cmd == '%') /* '%' - all lines */
1973 {
1974 ++ea.cmd;
1975 ea.line1 = 1;
1976 ea.line2 = curbuf->b_ml.ml_line_count;
1977 ++ea.addr_count;
1978 }
1979 /* '*' - visual area */
1980 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1981 {
1982 pos_T *fp;
1983
1984 ++ea.cmd;
1985 if (!ea.skip)
1986 {
1987 fp = getmark('<', FALSE);
1988 if (check_mark(fp) == FAIL)
1989 goto doend;
1990 ea.line1 = fp->lnum;
1991 fp = getmark('>', FALSE);
1992 if (check_mark(fp) == FAIL)
1993 goto doend;
1994 ea.line2 = fp->lnum;
1995 ++ea.addr_count;
1996 }
1997 }
1998 }
1999 else
2000 ea.line2 = lnum;
2001 ea.addr_count++;
2002
2003 if (*ea.cmd == ';')
2004 {
2005 if (!ea.skip)
2006 curwin->w_cursor.lnum = ea.line2;
2007 }
2008 else if (*ea.cmd != ',')
2009 break;
2010 ++ea.cmd;
2011 }
2012
2013 /* One address given: set start and end lines */
2014 if (ea.addr_count == 1)
2015 {
2016 ea.line1 = ea.line2;
2017 /* ... but only implicit: really no address given */
2018 if (lnum == MAXLNUM)
2019 ea.addr_count = 0;
2020 }
2021
2022 /* Don't leave the cursor on an illegal line (caused by ';') */
2023 check_cursor_lnum();
2024
2025 /*
2026 * 4. parse command
2027 */
2028
2029 /*
2030 * Skip ':' and any white space
2031 */
2032 ea.cmd = skipwhite(ea.cmd);
2033 while (*ea.cmd == ':')
2034 ea.cmd = skipwhite(ea.cmd + 1);
2035
2036 /*
2037 * If we got a line, but no command, then go to the line.
2038 * If we find a '|' or '\n' we set ea.nextcmd.
2039 */
2040 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2041 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2042 {
2043 /*
2044 * strange vi behaviour:
2045 * ":3" jumps to line 3
2046 * ":3|..." prints line 3
2047 * ":|" prints current line
2048 */
2049 if (ea.skip) /* skip this if inside :if */
2050 goto doend;
2051 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2052 {
2053 ea.cmdidx = CMD_print;
2054 ea.argt = RANGE+COUNT+TRLBAR;
2055 if ((errormsg = invalid_range(&ea)) == NULL)
2056 {
2057 correct_range(&ea);
2058 ex_print(&ea);
2059 }
2060 }
2061 else if (ea.addr_count != 0)
2062 {
2063 if (ea.line2 > curbuf->b_ml.ml_line_count)
2064 {
2065 /* With '-' in 'cpoptions' a line number past the file is an
2066 * error, otherwise put it at the end of the file. */
2067 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2068 ea.line2 = -1;
2069 else
2070 ea.line2 = curbuf->b_ml.ml_line_count;
2071 }
2072
2073 if (ea.line2 < 0)
2074 errormsg = (char_u *)_(e_invrange);
2075 else
2076 {
2077 if (ea.line2 == 0)
2078 curwin->w_cursor.lnum = 1;
2079 else
2080 curwin->w_cursor.lnum = ea.line2;
2081 beginline(BL_SOL | BL_FIX);
2082 }
2083 }
2084 goto doend;
2085 }
2086
2087 /* Find the command and let "p" point to after it. */
2088 p = find_command(&ea, NULL);
2089
2090 #ifdef FEAT_USR_CMDS
2091 if (p == NULL)
2092 {
2093 if (!ea.skip)
2094 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2095 goto doend;
2096 }
2097 /* Check for wrong commands. */
2098 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2099 {
2100 errormsg = uc_fun_cmd();
2101 goto doend;
2102 }
2103 #endif
2104 if (ea.cmdidx == CMD_SIZE)
2105 {
2106 if (!ea.skip)
2107 {
2108 STRCPY(IObuff, _("E492: Not an editor command"));
2109 if (!sourcing)
2110 {
2111 STRCAT(IObuff, ": ");
2112 STRNCAT(IObuff, *cmdlinep, 40);
2113 }
2114 errormsg = IObuff;
2115 }
2116 goto doend;
2117 }
2118
2119 ni = (
2120 #ifdef FEAT_USR_CMDS
2121 !USER_CMDIDX(ea.cmdidx) &&
2122 #endif
2123 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2124 #ifdef HAVE_EX_SCRIPT_NI
2125 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2126 #endif
2127 ));
2128
2129 #ifndef FEAT_EVAL
2130 /*
2131 * When the expression evaluation is disabled, recognize the ":if" and
2132 * ":endif" commands and ignore everything in between it.
2133 */
2134 if (ea.cmdidx == CMD_if)
2135 ++if_level;
2136 if (if_level)
2137 {
2138 if (ea.cmdidx == CMD_endif)
2139 --if_level;
2140 goto doend;
2141 }
2142
2143 #endif
2144
2145 if (*p == '!' && ea.cmdidx != CMD_substitute) /* forced commands */
2146 {
2147 ++p;
2148 ea.forceit = TRUE;
2149 }
2150 else
2151 ea.forceit = FALSE;
2152
2153 /*
2154 * 5. parse arguments
2155 */
2156 #ifdef FEAT_USR_CMDS
2157 if (!USER_CMDIDX(ea.cmdidx))
2158 #endif
2159 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2160
2161 if (!ea.skip)
2162 {
2163 #ifdef HAVE_SANDBOX
2164 if (sandbox != 0 && !(ea.argt & SBOXOK))
2165 {
2166 /* Command not allowed in sandbox. */
2167 errormsg = (char_u *)_(e_sandbox);
2168 goto doend;
2169 }
2170 #endif
2171 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2172 {
2173 /* Command not allowed in non-'modifiable' buffer */
2174 errormsg = (char_u *)_(e_modifiable);
2175 goto doend;
2176 }
2177
2178 if (text_locked() && !(ea.argt & CMDWIN)
2179 # ifdef FEAT_USR_CMDS
2180 && !USER_CMDIDX(ea.cmdidx)
2181 # endif
2182 )
2183 {
2184 /* Command not allowed when editing the command line. */
2185 #ifdef FEAT_CMDWIN
2186 if (cmdwin_type != 0)
2187 errormsg = (char_u *)_(e_cmdwin);
2188 else
2189 #endif
2190 errormsg = (char_u *)_(e_secure);
2191 goto doend;
2192 }
2193 #ifdef FEAT_AUTOCMD
2194 /* Disallow editing another buffer when "curbuf_lock" is set.
2195 * Do allow ":edit" (check for argument later).
2196 * Do allow ":checktime" (it's postponed). */
2197 if (!(ea.argt & CMDWIN)
2198 && ea.cmdidx != CMD_edit
2199 && ea.cmdidx != CMD_checktime
2200 # ifdef FEAT_USR_CMDS
2201 && !USER_CMDIDX(ea.cmdidx)
2202 # endif
2203 && curbuf_locked())
2204 goto doend;
2205 #endif
2206
2207 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2208 {
2209 /* no range allowed */
2210 errormsg = (char_u *)_(e_norange);
2211 goto doend;
2212 }
2213 }
2214
2215 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2216 {
2217 errormsg = (char_u *)_(e_nobang);
2218 goto doend;
2219 }
2220
2221 /*
2222 * Don't complain about the range if it is not used
2223 * (could happen if line_count is accidentally set to 0).
2224 */
2225 if (!ea.skip && !ni)
2226 {
2227 /*
2228 * If the range is backwards, ask for confirmation and, if given, swap
2229 * ea.line1 & ea.line2 so it's forwards again.
2230 * When global command is busy, don't ask, will fail below.
2231 */
2232 if (!global_busy && ea.line1 > ea.line2)
2233 {
2234 if (msg_silent == 0)
2235 {
2236 if (sourcing || exmode_active)
2237 {
2238 errormsg = (char_u *)_("E493: Backwards range given");
2239 goto doend;
2240 }
2241 if (ask_yesno((char_u *)
2242 _("Backwards range given, OK to swap"), FALSE) != 'y')
2243 goto doend;
2244 }
2245 lnum = ea.line1;
2246 ea.line1 = ea.line2;
2247 ea.line2 = lnum;
2248 }
2249 if ((errormsg = invalid_range(&ea)) != NULL)
2250 goto doend;
2251 }
2252
2253 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2254 ea.line2 = 1;
2255
2256 correct_range(&ea);
2257
2258 #ifdef FEAT_FOLDING
2259 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2260 {
2261 /* Put the first line at the start of a closed fold, put the last line
2262 * at the end of a closed fold. */
2263 (void)hasFolding(ea.line1, &ea.line1, NULL);
2264 (void)hasFolding(ea.line2, NULL, &ea.line2);
2265 }
2266 #endif
2267
2268 #ifdef FEAT_QUICKFIX
2269 /*
2270 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2271 * option here, so things like % get expanded.
2272 */
2273 p = replace_makeprg(&ea, p, cmdlinep);
2274 if (p == NULL)
2275 goto doend;
2276 #endif
2277
2278 /*
2279 * Skip to start of argument.
2280 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2281 */
2282 if (ea.cmdidx == CMD_bang)
2283 ea.arg = p;
2284 else
2285 ea.arg = skipwhite(p);
2286
2287 /*
2288 * Check for "++opt=val" argument.
2289 * Must be first, allow ":w ++enc=utf8 !cmd"
2290 */
2291 if (ea.argt & ARGOPT)
2292 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2293 if (getargopt(&ea) == FAIL && !ni)
2294 {
2295 errormsg = (char_u *)_(e_invarg);
2296 goto doend;
2297 }
2298
2299 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2300 {
2301 if (*ea.arg == '>') /* append */
2302 {
2303 if (*++ea.arg != '>') /* typed wrong */
2304 {
2305 errormsg = (char_u *)_("E494: Use w or w>>");
2306 goto doend;
2307 }
2308 ea.arg = skipwhite(ea.arg + 1);
2309 ea.append = TRUE;
2310 }
2311 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2312 {
2313 ++ea.arg;
2314 ea.usefilter = TRUE;
2315 }
2316 }
2317
2318 if (ea.cmdidx == CMD_read)
2319 {
2320 if (ea.forceit)
2321 {
2322 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2323 ea.forceit = FALSE;
2324 }
2325 else if (*ea.arg == '!') /* :r !filter */
2326 {
2327 ++ea.arg;
2328 ea.usefilter = TRUE;
2329 }
2330 }
2331
2332 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2333 {
2334 ea.amount = 1;
2335 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2336 {
2337 ++ea.arg;
2338 ++ea.amount;
2339 }
2340 ea.arg = skipwhite(ea.arg);
2341 }
2342
2343 /*
2344 * Check for "+command" argument, before checking for next command.
2345 * Don't do this for ":read !cmd" and ":write !cmd".
2346 */
2347 if ((ea.argt & EDITCMD) && !ea.usefilter)
2348 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2349
2350 /*
2351 * Check for '|' to separate commands and '"' to start comments.
2352 * Don't do this for ":read !cmd" and ":write !cmd".
2353 */
2354 if ((ea.argt & TRLBAR) && !ea.usefilter)
2355 separate_nextcmd(&ea);
2356
2357 /*
2358 * Check for <newline> to end a shell command.
2359 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2360 * Any others?
2361 */
2362 else if (ea.cmdidx == CMD_bang
2363 || ea.cmdidx == CMD_global
2364 || ea.cmdidx == CMD_vglobal
2365 || ea.usefilter)
2366 {
2367 for (p = ea.arg; *p; ++p)
2368 {
2369 /* Remove one backslash before a newline, so that it's possible to
2370 * pass a newline to the shell and also a newline that is preceded
2371 * with a backslash. This makes it impossible to end a shell
2372 * command in a backslash, but that doesn't appear useful.
2373 * Halving the number of backslashes is incompatible with previous
2374 * versions. */
2375 if (*p == '\\' && p[1] == '\n')
2376 mch_memmove(p, p + 1, STRLEN(p));
2377 else if (*p == '\n')
2378 {
2379 ea.nextcmd = p + 1;
2380 *p = NUL;
2381 break;
2382 }
2383 }
2384 }
2385
2386 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2387 {
2388 ea.line1 = 1;
2389 ea.line2 = curbuf->b_ml.ml_line_count;
2390 }
2391
2392 /* accept numbered register only when no count allowed (:put) */
2393 if ( (ea.argt & REGSTR)
2394 && *ea.arg != NUL
2395 #ifdef FEAT_USR_CMDS
2396 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2397 && USER_CMDIDX(ea.cmdidx)))
2398 /* Do not allow register = for user commands */
2399 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2400 #else
2401 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2402 #endif
2403 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2404 {
2405 ea.regname = *ea.arg++;
2406 #ifdef FEAT_EVAL
2407 /* for '=' register: accept the rest of the line as an expression */
2408 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2409 {
2410 set_expr_line(vim_strsave(ea.arg));
2411 ea.arg += STRLEN(ea.arg);
2412 }
2413 #endif
2414 ea.arg = skipwhite(ea.arg);
2415 }
2416
2417 /*
2418 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2419 * count, it's a buffer name.
2420 */
2421 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2422 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2423 || vim_iswhite(*p)))
2424 {
2425 n = getdigits(&ea.arg);
2426 ea.arg = skipwhite(ea.arg);
2427 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2428 {
2429 errormsg = (char_u *)_(e_zerocount);
2430 goto doend;
2431 }
2432 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2433 {
2434 ea.line2 = n;
2435 if (ea.addr_count == 0)
2436 ea.addr_count = 1;
2437 }
2438 else
2439 {
2440 ea.line1 = ea.line2;
2441 ea.line2 += n - 1;
2442 ++ea.addr_count;
2443 /*
2444 * Be vi compatible: no error message for out of range.
2445 */
2446 if (ea.line2 > curbuf->b_ml.ml_line_count)
2447 ea.line2 = curbuf->b_ml.ml_line_count;
2448 }
2449 }
2450
2451 /*
2452 * Check for flags: 'l', 'p' and '#'.
2453 */
2454 if (ea.argt & EXFLAGS)
2455 get_flags(&ea);
2456 /* no arguments allowed */
2457 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2458 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2459 {
2460 errormsg = (char_u *)_(e_trailing);
2461 goto doend;
2462 }
2463
2464 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2465 {
2466 errormsg = (char_u *)_(e_argreq);
2467 goto doend;
2468 }
2469
2470 #ifdef FEAT_EVAL
2471 /*
2472 * Skip the command when it's not going to be executed.
2473 * The commands like :if, :endif, etc. always need to be executed.
2474 * Also make an exception for commands that handle a trailing command
2475 * themselves.
2476 */
2477 if (ea.skip)
2478 {
2479 switch (ea.cmdidx)
2480 {
2481 /* commands that need evaluation */
2482 case CMD_while:
2483 case CMD_endwhile:
2484 case CMD_for:
2485 case CMD_endfor:
2486 case CMD_if:
2487 case CMD_elseif:
2488 case CMD_else:
2489 case CMD_endif:
2490 case CMD_try:
2491 case CMD_catch:
2492 case CMD_finally:
2493 case CMD_endtry:
2494 case CMD_function:
2495 break;
2496
2497 /* Commands that handle '|' themselves. Check: A command should
2498 * either have the TRLBAR flag, appear in this list or appear in
2499 * the list at ":help :bar". */
2500 case CMD_aboveleft:
2501 case CMD_and:
2502 case CMD_belowright:
2503 case CMD_botright:
2504 case CMD_browse:
2505 case CMD_call:
2506 case CMD_confirm:
2507 case CMD_delfunction:
2508 case CMD_djump:
2509 case CMD_dlist:
2510 case CMD_dsearch:
2511 case CMD_dsplit:
2512 case CMD_echo:
2513 case CMD_echoerr:
2514 case CMD_echomsg:
2515 case CMD_echon:
2516 case CMD_execute:
2517 case CMD_help:
2518 case CMD_hide:
2519 case CMD_ijump:
2520 case CMD_ilist:
2521 case CMD_isearch:
2522 case CMD_isplit:
2523 case CMD_keepalt:
2524 case CMD_keepjumps:
2525 case CMD_keepmarks:
2526 case CMD_leftabove:
2527 case CMD_let:
2528 case CMD_lockmarks:
2529 case CMD_match:
2530 case CMD_mzscheme:
2531 case CMD_perl:
2532 case CMD_psearch:
2533 case CMD_python:
2534 case CMD_return:
2535 case CMD_rightbelow:
2536 case CMD_ruby:
2537 case CMD_silent:
2538 case CMD_smagic:
2539 case CMD_snomagic:
2540 case CMD_substitute:
2541 case CMD_syntax:
2542 case CMD_tab:
2543 case CMD_tcl:
2544 case CMD_throw:
2545 case CMD_tilde:
2546 case CMD_topleft:
2547 case CMD_unlet:
2548 case CMD_verbose:
2549 case CMD_vertical:
2550 break;
2551
2552 default: goto doend;
2553 }
2554 }
2555 #endif
2556
2557 if (ea.argt & XFILE)
2558 {
2559 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2560 goto doend;
2561 }
2562
2563 #ifdef FEAT_LISTCMDS
2564 /*
2565 * Accept buffer name. Cannot be used at the same time with a buffer
2566 * number. Don't do this for a user command.
2567 */
2568 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2569 # ifdef FEAT_USR_CMDS
2570 && !USER_CMDIDX(ea.cmdidx)
2571 # endif
2572 )
2573 {
2574 /*
2575 * :bdelete, :bwipeout and :bunload take several arguments, separated
2576 * by spaces: find next space (skipping over escaped characters).
2577 * The others take one argument: ignore trailing spaces.
2578 */
2579 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2580 || ea.cmdidx == CMD_bunload)
2581 p = skiptowhite_esc(ea.arg);
2582 else
2583 {
2584 p = ea.arg + STRLEN(ea.arg);
2585 while (p > ea.arg && vim_iswhite(p[-1]))
2586 --p;
2587 }
2588 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2589 if (ea.line2 < 0) /* failed */
2590 goto doend;
2591 ea.addr_count = 1;
2592 ea.arg = skipwhite(p);
2593 }
2594 #endif
2595
2596 /*
2597 * 6. switch on command name
2598 *
2599 * The "ea" structure holds the arguments that can be used.
2600 */
2601 ea.cmdlinep = cmdlinep;
2602 ea.getline = fgetline;
2603 ea.cookie = cookie;
2604 #ifdef FEAT_EVAL
2605 ea.cstack = cstack;
2606 #endif
2607
2608 #ifdef FEAT_USR_CMDS
2609 if (USER_CMDIDX(ea.cmdidx))
2610 {
2611 /*
2612 * Execute a user-defined command.
2613 */
2614 do_ucmd(&ea);
2615 }
2616 else
2617 #endif
2618 {
2619 /*
2620 * Call the function to execute the command.
2621 */
2622 ea.errmsg = NULL;
2623 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2624 if (ea.errmsg != NULL)
2625 errormsg = (char_u *)_(ea.errmsg);
2626 }
2627
2628 #ifdef FEAT_EVAL
2629 /*
2630 * If the command just executed called do_cmdline(), any throw or ":return"
2631 * or ":finish" encountered there must also check the cstack of the still
2632 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2633 * exception, or reanimate a returned function or finished script file and
2634 * return or finish it again.
2635 */
2636 if (need_rethrow)
2637 do_throw(cstack);
2638 else if (check_cstack)
2639 {
2640 if (source_finished(fgetline, cookie))
2641 do_finish(&ea, TRUE);
2642 else if (getline_equal(fgetline, cookie, get_func_line)
2643 && current_func_returned())
2644 do_return(&ea, TRUE, FALSE, NULL);
2645 }
2646 need_rethrow = check_cstack = FALSE;
2647 #endif
2648
2649 doend:
2650 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2651 curwin->w_cursor.lnum = 1;
2652
2653 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2654 {
2655 if (sourcing)
2656 {
2657 if (errormsg != IObuff)
2658 {
2659 STRCPY(IObuff, errormsg);
2660 errormsg = IObuff;
2661 }
2662 STRCAT(errormsg, ": ");
2663 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2664 }
2665 emsg(errormsg);
2666 }
2667 #ifdef FEAT_EVAL
2668 do_errthrow(cstack,
2669 (ea.cmdidx != CMD_SIZE
2670 # ifdef FEAT_USR_CMDS
2671 && !USER_CMDIDX(ea.cmdidx)
2672 # endif
2673 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2674 #endif
2675
2676 if (verbose_save >= 0)
2677 p_verbose = verbose_save;
2678 #ifdef FEAT_AUTOCMD
2679 if (cmdmod.save_ei != NULL)
2680 {
2681 /* Restore 'eventignore' to the value before ":noautocmd". */
2682 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2683 OPT_FREE, SID_NONE);
2684 free_string_option(cmdmod.save_ei);
2685 }
2686 #endif
2687
2688 cmdmod = save_cmdmod;
2689
2690 if (did_silent > 0)
2691 {
2692 /* messages could be enabled for a serious error, need to check if the
2693 * counters don't become negative */
2694 msg_silent -= did_silent;
2695 if (msg_silent < 0)
2696 msg_silent = 0;
2697 emsg_silent -= did_esilent;
2698 if (emsg_silent < 0)
2699 emsg_silent = 0;
2700 /* Restore msg_scroll, it's set by file I/O commands, even when no
2701 * message is actually displayed. */
2702 msg_scroll = save_msg_scroll;
2703 }
2704
2705 #ifdef HAVE_SANDBOX
2706 if (did_sandbox)
2707 --sandbox;
2708 #endif
2709
2710 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2711 ea.nextcmd = NULL;
2712
2713 #ifdef FEAT_EVAL
2714 --ex_nesting_level;
2715 #endif
2716
2717 return ea.nextcmd;
2718 }
2719 #if (_MSC_VER == 1200)
2720 #pragma optimize( "", on )
2721 #endif
2722
2723 /*
2724 * Check for an Ex command with optional tail.
2725 * If there is a match advance "pp" to the argument and return TRUE.
2726 */
2727 int
2728 checkforcmd(pp, cmd, len)
2729 char_u **pp; /* start of command */
2730 char *cmd; /* name of command */
2731 int len; /* required length */
2732 {
2733 int i;
2734
2735 for (i = 0; cmd[i] != NUL; ++i)
2736 if (cmd[i] != (*pp)[i])
2737 break;
2738 if (i >= len && !isalpha((*pp)[i]))
2739 {
2740 *pp = skipwhite(*pp + i);
2741 return TRUE;
2742 }
2743 return FALSE;
2744 }
2745
2746 /*
2747 * Find an Ex command by its name, either built-in or user.
2748 * Start of the name can be found at eap->cmd.
2749 * Returns pointer to char after the command name.
2750 * "full" is set to TRUE if the whole command name matched.
2751 * Returns NULL for an ambiguous user command.
2752 */
2753 /*ARGSUSED*/
2754 static char_u *
2755 find_command(eap, full)
2756 exarg_T *eap;
2757 int *full;
2758 {
2759 int len;
2760 char_u *p;
2761 int i;
2762
2763 /*
2764 * Isolate the command and search for it in the command table.
2765 * Exceptions:
2766 * - the 'k' command can directly be followed by any character.
2767 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2768 * but :sre[wind] is another command, as are :scrip[tnames],
2769 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2770 * - the "d" command can directly be followed by 'l' or 'p' flag.
2771 */
2772 p = eap->cmd;
2773 if (*p == 'k')
2774 {
2775 eap->cmdidx = CMD_k;
2776 ++p;
2777 }
2778 else if (p[0] == 's'
2779 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2780 && p[3] != 'i' && p[4] != 'p')
2781 || p[1] == 'g'
2782 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2783 || p[1] == 'I'
2784 || (p[1] == 'r' && p[2] != 'e')))
2785 {
2786 eap->cmdidx = CMD_substitute;
2787 ++p;
2788 }
2789 else
2790 {
2791 while (ASCII_ISALPHA(*p))
2792 ++p;
2793 /* check for non-alpha command */
2794 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2795 ++p;
2796 len = (int)(p - eap->cmd);
2797 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2798 {
2799 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2800 * :delete with the 'l' flag. Same for 'p'. */
2801 for (i = 0; i < len; ++i)
2802 if (eap->cmd[i] != "delete"[i])
2803 break;
2804 if (i == len - 1)
2805 {
2806 --len;
2807 if (p[-1] == 'l')
2808 eap->flags |= EXFLAG_LIST;
2809 else
2810 eap->flags |= EXFLAG_PRINT;
2811 }
2812 }
2813
2814 if (ASCII_ISLOWER(*eap->cmd))
2815 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2816 else
2817 eap->cmdidx = cmdidxs[26];
2818
2819 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2820 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2821 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2822 (size_t)len) == 0)
2823 {
2824 #ifdef FEAT_EVAL
2825 if (full != NULL
2826 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2827 *full = TRUE;
2828 #endif
2829 break;
2830 }
2831
2832 #ifdef FEAT_USR_CMDS
2833 /* Look for a user defined command as a last resort */
2834 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2835 {
2836 /* User defined commands may contain digits. */
2837 while (ASCII_ISALNUM(*p))
2838 ++p;
2839 p = find_ucmd(eap, p, full, NULL, NULL);
2840 }
2841 #endif
2842 if (p == eap->cmd)
2843 eap->cmdidx = CMD_SIZE;
2844 }
2845
2846 return p;
2847 }
2848
2849 #ifdef FEAT_USR_CMDS
2850 /*
2851 * Search for a user command that matches "eap->cmd".
2852 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2853 * Return a pointer to just after the command.
2854 * Return NULL if there is no matching command.
2855 */
2856 static char_u *
2857 find_ucmd(eap, p, full, xp, compl)
2858 exarg_T *eap;
2859 char_u *p; /* end of the command (possibly including count) */
2860 int *full; /* set to TRUE for a full match */
2861 expand_T *xp; /* used for completion, NULL otherwise */
2862 int *compl; /* completion flags or NULL */
2863 {
2864 int len = (int)(p - eap->cmd);
2865 int j, k, matchlen = 0;
2866 ucmd_T *uc;
2867 int found = FALSE;
2868 int possible = FALSE;
2869 char_u *cp, *np; /* Point into typed cmd and test name */
2870 garray_T *gap;
2871 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2872 only full match global is accepted. */
2873
2874 /*
2875 * Look for buffer-local user commands first, then global ones.
2876 */
2877 gap = &curbuf->b_ucmds;
2878 for (;;)
2879 {
2880 for (j = 0; j < gap->ga_len; ++j)
2881 {
2882 uc = USER_CMD_GA(gap, j);
2883 cp = eap->cmd;
2884 np = uc->uc_name;
2885 k = 0;
2886 while (k < len && *np != NUL && *cp++ == *np++)
2887 k++;
2888 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2889 {
2890 /* If finding a second match, the command is ambiguous. But
2891 * not if a buffer-local command wasn't a full match and a
2892 * global command is a full match. */
2893 if (k == len && found && *np != NUL)
2894 {
2895 if (gap == &ucmds)
2896 return NULL;
2897 amb_local = TRUE;
2898 }
2899
2900 if (!found || (k == len && *np == NUL))
2901 {
2902 /* If we matched up to a digit, then there could
2903 * be another command including the digit that we
2904 * should use instead.
2905 */
2906 if (k == len)
2907 found = TRUE;
2908 else
2909 possible = TRUE;
2910
2911 if (gap == &ucmds)
2912 eap->cmdidx = CMD_USER;
2913 else
2914 eap->cmdidx = CMD_USER_BUF;
2915 eap->argt = (long)uc->uc_argt;
2916 eap->useridx = j;
2917
2918 # ifdef FEAT_CMDL_COMPL
2919 if (compl != NULL)
2920 *compl = uc->uc_compl;
2921 # ifdef FEAT_EVAL
2922 if (xp != NULL)
2923 {
2924 xp->xp_arg = uc->uc_compl_arg;
2925 xp->xp_scriptID = uc->uc_scriptID;
2926 }
2927 # endif
2928 # endif
2929 /* Do not search for further abbreviations
2930 * if this is an exact match. */
2931 matchlen = k;
2932 if (k == len && *np == NUL)
2933 {
2934 if (full != NULL)
2935 *full = TRUE;
2936 amb_local = FALSE;
2937 break;
2938 }
2939 }
2940 }
2941 }
2942
2943 /* Stop if we found a full match or searched all. */
2944 if (j < gap->ga_len || gap == &ucmds)
2945 break;
2946 gap = &ucmds;
2947 }
2948
2949 /* Only found ambiguous matches. */
2950 if (amb_local)
2951 {
2952 if (xp != NULL)
2953 xp->xp_context = EXPAND_UNSUCCESSFUL;
2954 return NULL;
2955 }
2956
2957 /* The match we found may be followed immediately by a number. Move "p"
2958 * back to point to it. */
2959 if (found || possible)
2960 return p + (matchlen - len);
2961 return p;
2962 }
2963 #endif
2964
2965 #if defined(FEAT_EVAL) || defined(PROTO)
2966 static struct cmdmod
2967 {
2968 char *name;
2969 int minlen;
2970 int has_count; /* :123verbose :3tab */
2971 } cmdmods[] = {
2972 {"aboveleft", 3, FALSE},
2973 {"belowright", 3, FALSE},
2974 {"botright", 2, FALSE},
2975 {"browse", 3, FALSE},
2976 {"confirm", 4, FALSE},
2977 {"hide", 3, FALSE},
2978 {"keepalt", 5, FALSE},
2979 {"keepjumps", 5, FALSE},
2980 {"keepmarks", 3, FALSE},
2981 {"leftabove", 5, FALSE},
2982 {"lockmarks", 3, FALSE},
2983 {"rightbelow", 6, FALSE},
2984 {"sandbox", 3, FALSE},
2985 {"silent", 3, FALSE},
2986 {"tab", 3, TRUE},
2987 {"topleft", 2, FALSE},
2988 {"verbose", 4, TRUE},
2989 {"vertical", 4, FALSE},
2990 };
2991
2992 /*
2993 * Return length of a command modifier (including optional count).
2994 * Return zero when it's not a modifier.
2995 */
2996 int
2997 modifier_len(cmd)
2998 char_u *cmd;
2999 {
3000 int i, j;
3001 char_u *p = cmd;
3002
3003 if (VIM_ISDIGIT(*cmd))
3004 p = skipwhite(skipdigits(cmd));
3005 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3006 {
3007 for (j = 0; p[j] != NUL; ++j)
3008 if (p[j] != cmdmods[i].name[j])
3009 break;
3010 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3011 && (p == cmd || cmdmods[i].has_count))
3012 return j + (p - cmd);
3013 }
3014 return 0;
3015 }
3016
3017 /*
3018 * Return > 0 if an Ex command "name" exists.
3019 * Return 2 if there is an exact match.
3020 * Return 3 if there is an ambiguous match.
3021 */
3022 int
3023 cmd_exists(name)
3024 char_u *name;
3025 {
3026 exarg_T ea;
3027 int full = FALSE;
3028 int i;
3029 int j;
3030 char_u *p;
3031
3032 /* Check command modifiers. */
3033 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3034 {
3035 for (j = 0; name[j] != NUL; ++j)
3036 if (name[j] != cmdmods[i].name[j])
3037 break;
3038 if (name[j] == NUL && j >= cmdmods[i].minlen)
3039 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3040 }
3041
3042 /* Check built-in commands and user defined commands.
3043 * For ":2match" and ":3match" we need to skip the number. */
3044 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3045 ea.cmdidx = (cmdidx_T)0;
3046 p = find_command(&ea, &full);
3047 if (p == NULL)
3048 return 3;
3049 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3050 return 0;
3051 if (*skipwhite(p) != NUL)
3052 return 0; /* trailing garbage */
3053 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3054 }
3055 #endif
3056
3057 /*
3058 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3059 * we don't need/want deleted. Maybe this could be done better if we didn't
3060 * repeat all this stuff. The only problem is that they may not stay
3061 * perfectly compatible with each other, but then the command line syntax
3062 * probably won't change that much -- webb.
3063 */
3064 char_u *
3065 set_one_cmd_context(xp, buff)
3066 expand_T *xp;
3067 char_u *buff; /* buffer for command string */
3068 {
3069 char_u *p;
3070 char_u *cmd, *arg;
3071 int len = 0;
3072 exarg_T ea;
3073 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3074 int compl = EXPAND_NOTHING;
3075 #endif
3076 #ifdef FEAT_CMDL_COMPL
3077 int delim;
3078 #endif
3079 int forceit = FALSE;
3080 int usefilter = FALSE; /* filter instead of file name */
3081
3082 ExpandInit(xp);
3083 xp->xp_pattern = buff;
3084 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3085 ea.argt = 0;
3086
3087 /*
3088 * 2. skip comment lines and leading space, colons or bars
3089 */
3090 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3091 ;
3092 xp->xp_pattern = cmd;
3093
3094 if (*cmd == NUL)
3095 return NULL;
3096 if (*cmd == '"') /* ignore comment lines */
3097 {
3098 xp->xp_context = EXPAND_NOTHING;
3099 return NULL;
3100 }
3101
3102 /*
3103 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3104 */
3105 cmd = skip_range(cmd, &xp->xp_context);
3106
3107 /*
3108 * 4. parse command
3109 */
3110 xp->xp_pattern = cmd;
3111 if (*cmd == NUL)
3112 return NULL;
3113 if (*cmd == '"')
3114 {
3115 xp->xp_context = EXPAND_NOTHING;
3116 return NULL;
3117 }
3118
3119 if (*cmd == '|' || *cmd == '\n')
3120 return cmd + 1; /* There's another command */
3121
3122 /*
3123 * Isolate the command and search for it in the command table.
3124 * Exceptions:
3125 * - the 'k' command can directly be followed by any character, but
3126 * do accept "keepmarks", "keepalt" and "keepjumps".
3127 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3128 */
3129 if (*cmd == 'k' && cmd[1] != 'e')
3130 {
3131 ea.cmdidx = CMD_k;
3132 p = cmd + 1;
3133 }
3134 else
3135 {
3136 p = cmd;
3137 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3138 ++p;
3139 /* check for non-alpha command */
3140 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3141 ++p;
3142 len = (int)(p - cmd);
3143
3144 if (len == 0)
3145 {
3146 xp->xp_context = EXPAND_UNSUCCESSFUL;
3147 return NULL;
3148 }
3149 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3150 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3151 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3152 break;
3153
3154 #ifdef FEAT_USR_CMDS
3155 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3156 {
3157 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3158 ++p;
3159 len = (int)(p - cmd);
3160 }
3161 #endif
3162 }
3163
3164 /*
3165 * If the cursor is touching the command, and it ends in an alpha-numeric
3166 * character, complete the command name.
3167 */
3168 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3169 return NULL;
3170
3171 if (ea.cmdidx == CMD_SIZE)
3172 {
3173 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3174 {
3175 ea.cmdidx = CMD_substitute;
3176 p = cmd + 1;
3177 }
3178 #ifdef FEAT_USR_CMDS
3179 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3180 {
3181 ea.cmd = cmd;
3182 p = find_ucmd(&ea, p, NULL, xp,
3183 # if defined(FEAT_CMDL_COMPL)
3184 &compl
3185 # else
3186 NULL
3187 # endif
3188 );
3189 if (p == NULL)
3190 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3191 }
3192 #endif
3193 }
3194 if (ea.cmdidx == CMD_SIZE)
3195 {
3196 /* Not still touching the command and it was an illegal one */
3197 xp->xp_context = EXPAND_UNSUCCESSFUL;
3198 return NULL;
3199 }
3200
3201 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3202
3203 if (*p == '!') /* forced commands */
3204 {
3205 forceit = TRUE;
3206 ++p;
3207 }
3208
3209 /*
3210 * 5. parse arguments
3211 */
3212 #ifdef FEAT_USR_CMDS
3213 if (!USER_CMDIDX(ea.cmdidx))
3214 #endif
3215 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3216
3217 arg = skipwhite(p);
3218
3219 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3220 {
3221 if (*arg == '>') /* append */
3222 {
3223 if (*++arg == '>')
3224 ++arg;
3225 arg = skipwhite(arg);
3226 }
3227 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3228 {
3229 ++arg;
3230 usefilter = TRUE;
3231 }
3232 }
3233
3234 if (ea.cmdidx == CMD_read)
3235 {
3236 usefilter = forceit; /* :r! filter if forced */
3237 if (*arg == '!') /* :r !filter */
3238 {
3239 ++arg;
3240 usefilter = TRUE;
3241 }
3242 }
3243
3244 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3245 {
3246 while (*arg == *cmd) /* allow any number of '>' or '<' */
3247 ++arg;
3248 arg = skipwhite(arg);
3249 }
3250
3251 /* Does command allow "+command"? */
3252 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3253 {
3254 /* Check if we're in the +command */
3255 p = arg + 1;
3256 arg = skip_cmd_arg(arg, FALSE);
3257
3258 /* Still touching the command after '+'? */
3259 if (*arg == NUL)
3260 return p;
3261
3262 /* Skip space(s) after +command to get to the real argument */
3263 arg = skipwhite(arg);
3264 }
3265
3266 /*
3267 * Check for '|' to separate commands and '"' to start comments.
3268 * Don't do this for ":read !cmd" and ":write !cmd".
3269 */
3270 if ((ea.argt & TRLBAR) && !usefilter)
3271 {
3272 p = arg;
3273 /* ":redir @" is not the start of a comment */
3274 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3275 p += 2;
3276 while (*p)
3277 {
3278 if (*p == Ctrl_V)
3279 {
3280 if (p[1] != NUL)
3281 ++p;
3282 }
3283 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3284 || *p == '|' || *p == '\n')
3285 {
3286 if (*(p - 1) != '\\')
3287 {
3288 if (*p == '|' || *p == '\n')
3289 return p + 1;
3290 return NULL; /* It's a comment */
3291 }
3292 }
3293 mb_ptr_adv(p);
3294 }
3295 }
3296
3297 /* no arguments allowed */
3298 if (!(ea.argt & EXTRA) && *arg != NUL &&
3299 vim_strchr((char_u *)"|\"", *arg) == NULL)
3300 return NULL;
3301
3302 /* Find start of last argument (argument just before cursor): */
3303 p = buff + STRLEN(buff);
3304 while (p != arg && *p != ' ' && *p != TAB)
3305 p--;
3306 if (*p == ' ' || *p == TAB)
3307 p++;
3308 xp->xp_pattern = p;
3309
3310 if (ea.argt & XFILE)
3311 {
3312 int c;
3313 int in_quote = FALSE;
3314 char_u *bow = NULL; /* Beginning of word */
3315
3316 /*
3317 * Allow spaces within back-quotes to count as part of the argument
3318 * being expanded.
3319 */
3320 xp->xp_pattern = skipwhite(arg);
3321 p = xp->xp_pattern;
3322 while (*p != NUL)
3323 {
3324 #ifdef FEAT_MBYTE
3325 if (has_mbyte)
3326 c = mb_ptr2char(p);
3327 else
3328 #endif
3329 c = *p;
3330 if (c == '\\' && p[1] != NUL)
3331 ++p;
3332 else if (c == '`')
3333 {
3334 if (!in_quote)
3335 {
3336 xp->xp_pattern = p;
3337 bow = p + 1;
3338 }
3339 in_quote = !in_quote;
3340 }
3341 #ifdef SPACE_IN_FILENAME
3342 else if (!vim_isfilec_or_wc(c)
3343 && (!(ea.argt & NOSPC) || usefilter))
3344 #else
3345 else if (!vim_isfilec_or_wc(c))
3346 #endif
3347 {
3348 while (*p != NUL)
3349 {
3350 #ifdef FEAT_MBYTE
3351 if (has_mbyte)
3352 c = mb_ptr2char(p);
3353 else
3354 #endif
3355 c = *p;
3356 if (c == '`' || vim_isfilec_or_wc(c))
3357 break;
3358 #ifdef FEAT_MBYTE
3359 if (has_mbyte)
3360 len = (*mb_ptr2len)(p);
3361 else
3362 #endif
3363 len = 1;
3364 mb_ptr_adv(p);
3365 }
3366 if (in_quote)
3367 bow = p;
3368 else
3369 xp->xp_pattern = p;
3370 p -= len;
3371 }
3372 mb_ptr_adv(p);
3373 }
3374
3375 /*
3376 * If we are still inside the quotes, and we passed a space, just
3377 * expand from there.
3378 */
3379 if (bow != NULL && in_quote)
3380 xp->xp_pattern = bow;
3381 xp->xp_context = EXPAND_FILES;
3382
3383 #ifndef BACKSLASH_IN_FILENAME
3384 /* For a shell command more chars need to be escaped. */
3385 if (usefilter || ea.cmdidx == CMD_bang)
3386 {
3387 xp->xp_shell = TRUE;
3388
3389 /* When still after the command name expand executables. */
3390 if (xp->xp_pattern == skipwhite(arg))
3391 xp->xp_context = EXPAND_SHELLCMD;
3392 }
3393 #endif
3394
3395 /* Check for environment variable */
3396 if (*xp->xp_pattern == '$'
3397 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3398 || *xp->xp_pattern == '%'
3399 #endif
3400 )
3401 {
3402 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3403 if (!vim_isIDc(*p))
3404 break;
3405 if (*p == NUL)
3406 {
3407 xp->xp_context = EXPAND_ENV_VARS;
3408 ++xp->xp_pattern;
3409 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3410 /* Avoid that the assignment uses EXPAND_FILES again. */
3411 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3412 compl = EXPAND_ENV_VARS;
3413 #endif
3414 }
3415 }
3416 }
3417
3418 /*
3419 * 6. switch on command name
3420 */
3421 switch (ea.cmdidx)
3422 {
3423 case CMD_cd:
3424 case CMD_chdir:
3425 case CMD_lcd:
3426 case CMD_lchdir:
3427 if (xp->xp_context == EXPAND_FILES)
3428 xp->xp_context = EXPAND_DIRECTORIES;
3429 break;
3430 case CMD_help:
3431 xp->xp_context = EXPAND_HELP;
3432 xp->xp_pattern = arg;
3433 break;
3434
3435 /* Command modifiers: return the argument.
3436 * Also for commands with an argument that is a command. */
3437 case CMD_aboveleft:
3438 case CMD_argdo:
3439 case CMD_belowright:
3440 case CMD_botright:
3441 case CMD_browse:
3442 case CMD_bufdo:
3443 case CMD_confirm:
3444 case CMD_debug:
3445 case CMD_folddoclosed:
3446 case CMD_folddoopen:
3447 case CMD_hide:
3448 case CMD_keepalt:
3449 case CMD_keepjumps:
3450 case CMD_keepmarks:
3451 case CMD_leftabove:
3452 case CMD_lockmarks:
3453 case CMD_rightbelow:
3454 case CMD_sandbox:
3455 case CMD_silent:
3456 case CMD_tab:
3457 case CMD_topleft:
3458 case CMD_verbose:
3459 case CMD_vertical:
3460 case CMD_windo:
3461 return arg;
3462
3463 #ifdef FEAT_CMDL_COMPL
3464 # ifdef FEAT_SEARCH_EXTRA
3465 case CMD_match:
3466 if (*arg == NUL || !ends_excmd(*arg))
3467 {
3468 /* also complete "None" */
3469 set_context_in_echohl_cmd(xp, arg);
3470 arg = skipwhite(skiptowhite(arg));
3471 if (*arg != NUL)
3472 {
3473 xp->xp_context = EXPAND_NOTHING;
3474 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3475 }
3476 }
3477 return find_nextcmd(arg);
3478 # endif
3479
3480 /*
3481 * All completion for the +cmdline_compl feature goes here.
3482 */
3483
3484 # ifdef FEAT_USR_CMDS
3485 case CMD_command:
3486 /* Check for attributes */
3487 while (*arg == '-')
3488 {
3489 arg++; /* Skip "-" */
3490 p = skiptowhite(arg);
3491 if (*p == NUL)
3492 {
3493 /* Cursor is still in the attribute */
3494 p = vim_strchr(arg, '=');
3495 if (p == NULL)
3496 {
3497 /* No "=", so complete attribute names */
3498 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3499 xp->xp_pattern = arg;
3500 return NULL;
3501 }
3502
3503 /* For the -complete and -nargs attributes, we complete
3504 * their arguments as well.
3505 */
3506 if (STRNICMP(arg, "complete", p - arg) == 0)
3507 {
3508 xp->xp_context = EXPAND_USER_COMPLETE;
3509 xp->xp_pattern = p + 1;
3510 return NULL;
3511 }
3512 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3513 {
3514 xp->xp_context = EXPAND_USER_NARGS;
3515 xp->xp_pattern = p + 1;
3516 return NULL;
3517 }
3518 return NULL;
3519 }
3520 arg = skipwhite(p);
3521 }
3522
3523 /* After the attributes comes the new command name */
3524 p = skiptowhite(arg);
3525 if (*p == NUL)
3526 {
3527 xp->xp_context = EXPAND_USER_COMMANDS;
3528 xp->xp_pattern = arg;
3529 break;
3530 }
3531
3532 /* And finally comes a normal command */
3533 return skipwhite(p);
3534
3535 case CMD_delcommand:
3536 xp->xp_context = EXPAND_USER_COMMANDS;
3537 xp->xp_pattern = arg;
3538 break;
3539 # endif
3540
3541 case CMD_global:
3542 case CMD_vglobal:
3543 delim = *arg; /* get the delimiter */
3544 if (delim)
3545 ++arg; /* skip delimiter if there is one */
3546
3547 while (arg[0] != NUL && arg[0] != delim)
3548 {
3549 if (arg[0] == '\\' && arg[1] != NUL)
3550 ++arg;
3551 ++arg;
3552 }
3553 if (arg[0] != NUL)
3554 return arg + 1;
3555 break;
3556 case CMD_and:
3557 case CMD_substitute:
3558 delim = *arg;
3559 if (delim)
3560 {
3561 /* skip "from" part */
3562 ++arg;
3563 arg = skip_regexp(arg, delim, p_magic, NULL);
3564 }
3565 /* skip "to" part */
3566 while (arg[0] != NUL && arg[0] != delim)
3567 {
3568 if (arg[0] == '\\' && arg[1] != NUL)
3569 ++arg;
3570 ++arg;
3571 }
3572 if (arg[0] != NUL) /* skip delimiter */
3573 ++arg;
3574 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3575 ++arg;
3576 if (arg[0] != NUL)
3577 return arg;
3578 break;
3579 case CMD_isearch:
3580 case CMD_dsearch:
3581 case CMD_ilist:
3582 case CMD_dlist:
3583 case CMD_ijump:
3584 case CMD_psearch:
3585 case CMD_djump:
3586 case CMD_isplit:
3587 case CMD_dsplit:
3588 arg = skipwhite(skipdigits(arg)); /* skip count */
3589 if (*arg == '/') /* Match regexp, not just whole words */
3590 {
3591 for (++arg; *arg && *arg != '/'; arg++)
3592 if (*arg == '\\' && arg[1] != NUL)
3593 arg++;
3594 if (*arg)
3595 {
3596 arg = skipwhite(arg + 1);
3597
3598 /* Check for trailing illegal characters */
3599 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3600 xp->xp_context = EXPAND_NOTHING;
3601 else
3602 return arg;
3603 }
3604 }
3605 break;
3606 #ifdef FEAT_AUTOCMD
3607 case CMD_autocmd:
3608 return set_context_in_autocmd(xp, arg, FALSE);
3609
3610 case CMD_doautocmd:
3611 return set_context_in_autocmd(xp, arg, TRUE);
3612 #endif
3613 case CMD_set:
3614 set_context_in_set_cmd(xp, arg, 0);
3615 break;
3616 case CMD_setglobal:
3617 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3618 break;
3619 case CMD_setlocal:
3620 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3621 break;
3622 case CMD_tag:
3623 case CMD_stag:
3624 case CMD_ptag:
3625 case CMD_ltag:
3626 case CMD_tselect:
3627 case CMD_stselect:
3628 case CMD_ptselect:
3629 case CMD_tjump:
3630 case CMD_stjump:
3631 case CMD_ptjump:
3632 if (*p_wop != NUL)
3633 xp->xp_context = EXPAND_TAGS_LISTFILES;
3634 else
3635 xp->xp_context = EXPAND_TAGS;
3636 xp->xp_pattern = arg;
3637 break;
3638 case CMD_augroup:
3639 xp->xp_context = EXPAND_AUGROUP;
3640 xp->xp_pattern = arg;
3641 break;
3642 #ifdef FEAT_SYN_HL
3643 case CMD_syntax:
3644 set_context_in_syntax_cmd(xp, arg);
3645 break;
3646 #endif
3647 #ifdef FEAT_EVAL
3648 case CMD_let:
3649 case CMD_if:
3650 case CMD_elseif:
3651 case CMD_while:
3652 case CMD_for:
3653 case CMD_echo:
3654 case CMD_echon:
3655 case CMD_execute:
3656 case CMD_echomsg:
3657 case CMD_echoerr:
3658 case CMD_call:
3659 case CMD_return:
3660 set_context_for_expression(xp, arg, ea.cmdidx);
3661 break;
3662
3663 case CMD_unlet:
3664 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3665 arg = xp->xp_pattern + 1;
3666 xp->xp_context = EXPAND_USER_VARS;
3667 xp->xp_pattern = arg;
3668 break;
3669
3670 case CMD_function:
3671 case CMD_delfunction:
3672 xp->xp_context = EXPAND_USER_FUNC;
3673 xp->xp_pattern = arg;
3674 break;
3675
3676 case CMD_echohl:
3677 set_context_in_echohl_cmd(xp, arg);
3678 break;
3679 #endif
3680 case CMD_highlight:
3681 set_context_in_highlight_cmd(xp, arg);
3682 break;
3683 #ifdef FEAT_LISTCMDS
3684 case CMD_bdelete:
3685 case CMD_bwipeout:
3686 case CMD_bunload:
3687 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3688 arg = xp->xp_pattern + 1;
3689 /*FALLTHROUGH*/
3690 case CMD_buffer:
3691 case CMD_sbuffer:
3692 case CMD_checktime:
3693 xp->xp_context = EXPAND_BUFFERS;
3694 xp->xp_pattern = arg;
3695 break;
3696 #endif
3697 #ifdef FEAT_USR_CMDS
3698 case CMD_USER:
3699 case CMD_USER_BUF:
3700 if (compl != EXPAND_NOTHING)
3701 {
3702 /* XFILE: file names are handled above */
3703 if (!(ea.argt & XFILE))
3704 {
3705 # ifdef FEAT_MENU
3706 if (compl == EXPAND_MENUS)
3707 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3708 # endif
3709 if (compl == EXPAND_COMMANDS)
3710 return arg;
3711 if (compl == EXPAND_MAPPINGS)
3712 return set_context_in_map_cmd(xp, (char_u *)"map",
3713 arg, forceit, FALSE, FALSE, CMD_map);
3714 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3715 arg = xp->xp_pattern + 1;
3716 xp->xp_pattern = arg;
3717 }
3718 xp->xp_context = compl;
3719 }
3720 break;
3721 #endif
3722 case CMD_map: case CMD_noremap:
3723 case CMD_nmap: case CMD_nnoremap:
3724 case CMD_vmap: case CMD_vnoremap:
3725 case CMD_omap: case CMD_onoremap:
3726 case CMD_imap: case CMD_inoremap:
3727 case CMD_cmap: case CMD_cnoremap:
3728 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3729 FALSE, FALSE, ea.cmdidx);
3730 case CMD_unmap:
3731 case CMD_nunmap:
3732 case CMD_vunmap:
3733 case CMD_ounmap:
3734 case CMD_iunmap:
3735 case CMD_cunmap:
3736 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3737 FALSE, TRUE, ea.cmdidx);
3738 case CMD_abbreviate: case CMD_noreabbrev:
3739 case CMD_cabbrev: case CMD_cnoreabbrev:
3740 case CMD_iabbrev: case CMD_inoreabbrev:
3741 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3742 TRUE, FALSE, ea.cmdidx);
3743 case CMD_unabbreviate:
3744 case CMD_cunabbrev:
3745 case CMD_iunabbrev:
3746 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3747 TRUE, TRUE, ea.cmdidx);
3748 #ifdef FEAT_MENU
3749 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3750 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3751 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3752 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3753 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3754 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3755 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3756 case CMD_tmenu: case CMD_tunmenu:
3757 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3758 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3759 #endif
3760
3761 case CMD_colorscheme:
3762 xp->xp_context = EXPAND_COLORS;
3763 xp->xp_pattern = arg;
3764 break;
3765
3766 case CMD_compiler:
3767 xp->xp_context = EXPAND_COMPILER;
3768 xp->xp_pattern = arg;
3769 break;
3770
3771 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3772 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3773 case CMD_language:
3774 if (*skiptowhite(arg) == NUL)
3775 {
3776 xp->xp_context = EXPAND_LANGUAGE;
3777 xp->xp_pattern = arg;
3778 }
3779 else
3780 xp->xp_context = EXPAND_NOTHING;
3781 break;
3782 #endif
3783
3784 #endif /* FEAT_CMDL_COMPL */
3785
3786 default:
3787 break;
3788 }
3789 return NULL;
3790 }
3791
3792 /*
3793 * skip a range specifier of the form: addr [,addr] [;addr] ..
3794 *
3795 * Backslashed delimiters after / or ? will be skipped, and commands will
3796 * not be expanded between /'s and ?'s or after "'".
3797 *
3798 * Also skip white space and ":" characters.
3799 * Returns the "cmd" pointer advanced to beyond the range.
3800 */
3801 char_u *
3802 skip_range(cmd, ctx)
3803 char_u *cmd;
3804 int *ctx; /* pointer to xp_context or NULL */
3805 {
3806 int delim;
3807
3808 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3809 {
3810 if (*cmd == '\'')
3811 {
3812 if (*++cmd == NUL && ctx != NULL)
3813 *ctx = EXPAND_NOTHING;
3814 }
3815 else if (*cmd == '/' || *cmd == '?')
3816 {
3817 delim = *cmd++;
3818 while (*cmd != NUL && *cmd != delim)
3819 if (*cmd++ == '\\' && *cmd != NUL)
3820 ++cmd;
3821 if (*cmd == NUL && ctx != NULL)
3822 *ctx = EXPAND_NOTHING;
3823 }
3824 if (*cmd != NUL)
3825 ++cmd;
3826 }
3827
3828 /* Skip ":" and white space. */
3829 while (*cmd == ':')
3830 cmd = skipwhite(cmd + 1);
3831
3832 return cmd;
3833 }
3834
3835 /*
3836 * get a single EX address
3837 *
3838 * Set ptr to the next character after the part that was interpreted.
3839 * Set ptr to NULL when an error is encountered.
3840 *
3841 * Return MAXLNUM when no Ex address was found.
3842 */
3843 static linenr_T
3844 get_address(ptr, skip, to_other_file)
3845 char_u **ptr;
3846 int skip; /* only skip the address, don't use it */
3847 int to_other_file; /* flag: may jump to other file */
3848 {
3849 int c;
3850 int i;
3851 long n;
3852 char_u *cmd;
3853 pos_T pos;
3854 pos_T *fp;
3855 linenr_T lnum;
3856
3857 cmd = skipwhite(*ptr);
3858 lnum = MAXLNUM;
3859 do
3860 {
3861 switch (*cmd)
3862 {
3863 case '.': /* '.' - Cursor position */
3864 ++cmd;
3865 lnum = curwin->w_cursor.lnum;
3866 break;
3867
3868 case '$': /* '$' - last line */
3869 ++cmd;
3870 lnum = curbuf->b_ml.ml_line_count;
3871 break;
3872
3873 case '\'': /* ''' - mark */
3874 if (*++cmd == NUL)
3875 {
3876 cmd = NULL;
3877 goto error;
3878 }
3879 if (skip)
3880 ++cmd;
3881 else
3882 {
3883 /* Only accept a mark in another file when it is
3884 * used by itself: ":'M". */
3885 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3886 ++cmd;
3887 if (fp == (pos_T *)-1)
3888 /* Jumped to another file. */
3889 lnum = curwin->w_cursor.lnum;
3890 else
3891 {
3892 if (check_mark(fp) == FAIL)
3893 {
3894 cmd = NULL;
3895 goto error;
3896 }
3897 lnum = fp->lnum;
3898 }
3899 }
3900 break;
3901
3902 case '/':
3903 case '?': /* '/' or '?' - search */
3904 c = *cmd++;
3905 if (skip) /* skip "/pat/" */
3906 {
3907 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3908 if (*cmd == c)
3909 ++cmd;
3910 }
3911 else
3912 {
3913 pos = curwin->w_cursor; /* save curwin->w_cursor */
3914 /*
3915 * When '/' or '?' follows another address, start
3916 * from there.
3917 */
3918 if (lnum != MAXLNUM)
3919 curwin->w_cursor.lnum = lnum;
3920 /*
3921 * Start a forward search at the end of the line.
3922 * Start a backward search at the start of the line.
3923 * This makes sure we never match in the current
3924 * line, and can match anywhere in the
3925 * next/previous line.
3926 */
3927 if (c == '/')
3928 curwin->w_cursor.col = MAXCOL;
3929 else
3930 curwin->w_cursor.col = 0;
3931 searchcmdlen = 0;
3932 if (!do_search(NULL, c, cmd, 1L,
3933 SEARCH_HIS + SEARCH_MSG + SEARCH_START))
3934 {
3935 curwin->w_cursor = pos;
3936 cmd = NULL;
3937 goto error;
3938 }
3939 lnum = curwin->w_cursor.lnum;
3940 curwin->w_cursor = pos;
3941 /* adjust command string pointer */
3942 cmd += searchcmdlen;
3943 }
3944 break;
3945
3946 case '\\': /* "\?", "\/" or "\&", repeat search */
3947 ++cmd;
3948 if (*cmd == '&')
3949 i = RE_SUBST;
3950 else if (*cmd == '?' || *cmd == '/')
3951 i = RE_SEARCH;
3952 else
3953 {
3954 EMSG(_(e_backslash));
3955 cmd = NULL;
3956 goto error;
3957 }
3958
3959 if (!skip)
3960 {
3961 /*
3962 * When search follows another address, start from
3963 * there.
3964 */
3965 if (lnum != MAXLNUM)
3966 pos.lnum = lnum;
3967 else
3968 pos.lnum = curwin->w_cursor.lnum;
3969
3970 /*
3971 * Start the search just like for the above
3972 * do_search().
3973 */
3974 if (*cmd != '?')
3975 pos.col = MAXCOL;
3976 else
3977 pos.col = 0;
3978 if (searchit(curwin, curbuf, &pos,
3979 *cmd == '?' ? BACKWARD : FORWARD,
3980 (char_u *)"", 1L,
3981 SEARCH_MSG + SEARCH_START,
3982 i, (linenr_T)0, NULL) != FAIL)
3983 lnum = pos.lnum;
3984 else
3985 {
3986 cmd = NULL;
3987 goto error;
3988 }
3989 }
3990 ++cmd;
3991 break;
3992
3993 default:
3994 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
3995 lnum = getdigits(&cmd);
3996 }
3997
3998 for (;;)
3999 {
4000 cmd = skipwhite(cmd);
4001 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4002 break;
4003
4004 if (lnum == MAXLNUM)
4005 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4006 if (VIM_ISDIGIT(*cmd))
4007 i = '+'; /* "number" is same as "+number" */
4008 else
4009 i = *cmd++;
4010 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4011 n = 1;
4012 else
4013 n = getdigits(&cmd);
4014 if (i == '-')
4015 lnum -= n;
4016 else
4017 lnum += n;
4018 }
4019 } while (*cmd == '/' || *cmd == '?');
4020
4021 error:
4022 *ptr = cmd;
4023 return lnum;
4024 }
4025
4026 /*
4027 * Get flags from an Ex command argument.
4028 */
4029 static void
4030 get_flags(eap)
4031 exarg_T *eap;
4032 {
4033 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4034 {
4035 if (*eap->arg == 'l')
4036 eap->flags |= EXFLAG_LIST;
4037 else if (*eap->arg == 'p')
4038 eap->flags |= EXFLAG_PRINT;
4039 else
4040 eap->flags |= EXFLAG_NR;
4041 eap->arg = skipwhite(eap->arg + 1);
4042 }
4043 }
4044
4045 /*
4046 * Function called for command which is Not Implemented. NI!
4047 */
4048 void
4049 ex_ni(eap)
4050 exarg_T *eap;
4051 {
4052 if (!eap->skip)
4053 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4054 }
4055
4056 #ifdef HAVE_EX_SCRIPT_NI
4057 /*
4058 * Function called for script command which is Not Implemented. NI!
4059 * Skips over ":perl <<EOF" constructs.
4060 */
4061 static void
4062 ex_script_ni(eap)
4063 exarg_T *eap;
4064 {
4065 if (!eap->skip)
4066 ex_ni(eap);
4067 else
4068 vim_free(script_get(eap, eap->arg));
4069 }
4070 #endif
4071
4072 /*
4073 * Check range in Ex command for validity.
4074 * Return NULL when valid, error message when invalid.
4075 */
4076 static char_u *
4077 invalid_range(eap)
4078 exarg_T *eap;
4079 {
4080 if ( eap->line1 < 0
4081 || eap->line2 < 0
4082 || eap->line1 > eap->line2
4083 || ((eap->argt & RANGE)
4084 && !(eap->argt & NOTADR)
4085 && eap->line2 > curbuf->b_ml.ml_line_count
4086 #ifdef FEAT_DIFF
4087 + (eap->cmdidx == CMD_diffget)
4088 #endif
4089 ))
4090 return (char_u *)_(e_invrange);
4091 return NULL;
4092 }
4093
4094 /*
4095 * Correct the range for zero line number, if required.
4096 */
4097 static void
4098 correct_range(eap)
4099 exarg_T *eap;
4100 {
4101 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4102 {
4103 if (eap->line1 == 0)
4104 eap->line1 = 1;
4105 if (eap->line2 == 0)
4106 eap->line2 = 1;
4107 }
4108 }
4109
4110 #ifdef FEAT_QUICKFIX
4111 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4112
4113 /*
4114 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4115 * pattern. Otherwise return eap->arg.
4116 */
4117 static char_u *
4118 skip_grep_pat(eap)
4119 exarg_T *eap;
4120 {
4121 char_u *p = eap->arg;
4122
4123 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4124 || eap->cmdidx == CMD_vimgrepadd
4125 || eap->cmdidx == CMD_lvimgrepadd
4126 || grep_internal(eap->cmdidx)))
4127 {
4128 p = skip_vimgrep_pat(p, NULL, NULL);
4129 if (p == NULL)
4130 p = eap->arg;
4131 }
4132 return p;
4133 }
4134
4135 /*
4136 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4137 * in the command line, so that things like % get expanded.
4138 */
4139 static char_u *
4140 replace_makeprg(eap, p, cmdlinep)
4141 exarg_T *eap;
4142 char_u *p;
4143 char_u **cmdlinep;
4144 {
4145 char_u *new_cmdline;
4146 char_u *program;
4147 char_u *pos;
4148 char_u *ptr;
4149 int len;
4150 int i;
4151
4152 /*
4153 * Don't do it when ":vimgrep" is used for ":grep".
4154 */
4155 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4156 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4157 || eap->cmdidx == CMD_grepadd
4158 || eap->cmdidx == CMD_lgrepadd)
4159 && !grep_internal(eap->cmdidx))
4160 {
4161 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4162 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4163 {
4164 if (*curbuf->b_p_gp == NUL)
4165 program = p_gp;
4166 else
4167 program = curbuf->b_p_gp;
4168 }
4169 else
4170 {
4171 if (*curbuf->b_p_mp == NUL)
4172 program = p_mp;
4173 else
4174 program = curbuf->b_p_mp;
4175 }
4176
4177 p = skipwhite(p);
4178
4179 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4180 {
4181 /* replace $* by given arguments */
4182 i = 1;
4183 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4184 ++i;
4185 len = (int)STRLEN(p);
4186 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4187 if (new_cmdline == NULL)
4188 return NULL; /* out of memory */
4189 ptr = new_cmdline;
4190 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4191 {
4192 i = (int)(pos - program);
4193 STRNCPY(ptr, program, i);
4194 STRCPY(ptr += i, p);
4195 ptr += len;
4196 program = pos + 2;
4197 }
4198 STRCPY(ptr, program);
4199 }
4200 else
4201 {
4202 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4203 if (new_cmdline == NULL)
4204 return NULL; /* out of memory */
4205 STRCPY(new_cmdline, program);
4206 STRCAT(new_cmdline, " ");
4207 STRCAT(new_cmdline, p);
4208 }
4209 msg_make(p);
4210
4211 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4212 vim_free(*cmdlinep);
4213 *cmdlinep = new_cmdline;
4214 p = new_cmdline;
4215 }
4216 return p;
4217 }
4218 #endif
4219
4220 /*
4221 * Expand file name in Ex command argument.
4222 * Return FAIL for failure, OK otherwise.
4223 */
4224 int
4225 expand_filename(eap, cmdlinep, errormsgp)
4226 exarg_T *eap;
4227 char_u **cmdlinep;
4228 char_u **errormsgp;
4229 {
4230 int has_wildcards; /* need to expand wildcards */
4231 char_u *repl;
4232 int srclen;
4233 char_u *p;
4234 int n;
4235 int escaped;
4236
4237 #ifdef FEAT_QUICKFIX
4238 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4239 p = skip_grep_pat(eap);
4240 #else
4241 p = eap->arg;
4242 #endif
4243
4244 /*
4245 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4246 * the file name contains a wildcard it should not cause expanding.
4247 * (it will be expanded anyway if there is a wildcard before replacing).
4248 */
4249 has_wildcards = mch_has_wildcard(p);
4250 while (*p != NUL)
4251 {
4252 #ifdef FEAT_EVAL
4253 /* Skip over `=expr`, wildcards in it are not expanded. */
4254 if (p[0] == '`' && p[1] == '=')
4255 {
4256 p += 2;
4257 (void)skip_expr(&p);
4258 if (*p == '`')
4259 ++p;
4260 continue;
4261 }
4262 #endif
4263 /*
4264 * Quick check if this cannot be the start of a special string.
4265 * Also removes backslash before '%', '#' and '<'.
4266 */
4267 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4268 {
4269 ++p;
4270 continue;
4271 }
4272
4273 /*
4274 * Try to find a match at this position.
4275 */
4276 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4277 errormsgp, &escaped);
4278 if (*errormsgp != NULL) /* error detected */
4279 return FAIL;
4280 if (repl == NULL) /* no match found */
4281 {
4282 p += srclen;
4283 continue;
4284 }
4285
4286 /* Wildcards won't be expanded below, the replacement is taken
4287 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4288 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4289 {
4290 char_u *l = repl;
4291
4292 repl = expand_env_save(repl);
4293 vim_free(l);
4294 }
4295
4296 /* Need to escape white space et al. with a backslash.
4297 * Don't do this for:
4298 * - replacement that already has been escaped: "##"
4299 * - shell commands (may have to use quotes instead).
4300 * - non-unix systems when there is a single argument (spaces don't
4301 * separate arguments then).
4302 */
4303 if (!eap->usefilter
4304 && !escaped
4305 && eap->cmdidx != CMD_bang
4306 && eap->cmdidx != CMD_make
4307 && eap->cmdidx != CMD_lmake
4308 && eap->cmdidx != CMD_grep
4309 && eap->cmdidx != CMD_lgrep
4310 && eap->cmdidx != CMD_grepadd
4311 && eap->cmdidx != CMD_lgrepadd
4312 #ifndef UNIX
4313 && !(eap->argt & NOSPC)
4314 #endif
4315 )
4316 {
4317 char_u *l;
4318 #ifdef BACKSLASH_IN_FILENAME
4319 /* Don't escape a backslash here, because rem_backslash() doesn't
4320 * remove it later. */
4321 static char_u *nobslash = (char_u *)" \t\"|";
4322 # define ESCAPE_CHARS nobslash
4323 #else
4324 # define ESCAPE_CHARS escape_chars
4325 #endif
4326
4327 for (l = repl; *l; ++l)
4328 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4329 {
4330 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4331 if (l != NULL)
4332 {
4333 vim_free(repl);
4334 repl = l;
4335 }
4336 break;
4337 }
4338 }
4339
4340 /* For a shell command a '!' must be escaped. */
4341 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4342 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4343 {
4344 char_u *l;
4345
4346 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4347 if (l != NULL)
4348 {
4349 vim_free(repl);
4350 repl = l;
4351 /* For a sh-like shell escape "!" another time. */
4352 if (strstr((char *)p_sh, "sh") != NULL)
4353 {
4354 l = vim_strsave_escaped(repl, (char_u *)"!");
4355 if (l != NULL)
4356 {
4357 vim_free(repl);
4358 repl = l;
4359 }
4360 }
4361 }
4362 }
4363
4364 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4365 vim_free(repl);
4366 if (p == NULL)
4367 return FAIL;
4368 }
4369
4370 /*
4371 * One file argument: Expand wildcards.
4372 * Don't do this with ":r !command" or ":w !command".
4373 */
4374 if ((eap->argt & NOSPC) && !eap->usefilter)
4375 {
4376 /*
4377 * May do this twice:
4378 * 1. Replace environment variables.
4379 * 2. Replace any other wildcards, remove backslashes.
4380 */
4381 for (n = 1; n <= 2; ++n)
4382 {
4383 if (n == 2)
4384 {
4385 #ifdef UNIX
4386 /*
4387 * Only for Unix we check for more than one file name.
4388 * For other systems spaces are considered to be part
4389 * of the file name.
4390 * Only check here if there is no wildcard, otherwise
4391 * ExpandOne() will check for errors. This allows
4392 * ":e `ls ve*.c`" on Unix.
4393 */
4394 if (!has_wildcards)
4395 for (p = eap->arg; *p; ++p)
4396 {
4397 /* skip escaped characters */
4398 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4399 ++p;
4400 else if (vim_iswhite(*p))
4401 {
4402 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4403 return FAIL;
4404 }
4405 }
4406 #endif
4407
4408 /*
4409 * Halve the number of backslashes (this is Vi compatible).
4410 * For Unix and OS/2, when wildcards are expanded, this is
4411 * done by ExpandOne() below.
4412 */
4413 #if defined(UNIX) || defined(OS2)
4414 if (!has_wildcards)
4415 #endif
4416 backslash_halve(eap->arg);
4417 }
4418
4419 if (has_wildcards)
4420 {
4421 if (n == 1)
4422 {
4423 /*
4424 * First loop: May expand environment variables. This
4425 * can be done much faster with expand_env() than with
4426 * something else (e.g., calling a shell).
4427 * After expanding environment variables, check again
4428 * if there are still wildcards present.
4429 */
4430 if (vim_strchr(eap->arg, '$') != NULL
4431 || vim_strchr(eap->arg, '~') != NULL)
4432 {
4433 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4434 TRUE, TRUE, NULL);
4435 has_wildcards = mch_has_wildcard(NameBuff);
4436 p = NameBuff;
4437 }
4438 else
4439 p = NULL;
4440 }
4441 else /* n == 2 */
4442 {
4443 expand_T xpc;
4444
4445 ExpandInit(&xpc);
4446 xpc.xp_context = EXPAND_FILES;
4447 p = ExpandOne(&xpc, eap->arg, NULL,
4448 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4449 WILD_EXPAND_FREE);
4450 if (p == NULL)
4451 return FAIL;
4452 }
4453 if (p != NULL)
4454 {
4455 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4456 p, cmdlinep);
4457 if (n == 2) /* p came from ExpandOne() */
4458 vim_free(p);
4459 }
4460 }
4461 }
4462 }
4463 return OK;
4464 }
4465
4466 /*
4467 * Replace part of the command line, keeping eap->cmd, eap->arg and
4468 * eap->nextcmd correct.
4469 * "src" points to the part that is to be replaced, of length "srclen".
4470 * "repl" is the replacement string.
4471 * Returns a pointer to the character after the replaced string.
4472 * Returns NULL for failure.
4473 */
4474 static char_u *
4475 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4476 exarg_T *eap;
4477 char_u *src;
4478 int srclen;
4479 char_u *repl;
4480 char_u **cmdlinep;
4481 {
4482 int len;
4483 int i;
4484 char_u *new_cmdline;
4485
4486 /*
4487 * The new command line is build in new_cmdline[].
4488 * First allocate it.
4489 * Careful: a "+cmd" argument may have been NUL terminated.
4490 */
4491 len = (int)STRLEN(repl);
4492 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4493 if (eap->nextcmd != NULL)
4494 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4495 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4496 return NULL; /* out of memory! */
4497
4498 /*
4499 * Copy the stuff before the expanded part.
4500 * Copy the expanded stuff.
4501 * Copy what came after the expanded part.
4502 * Copy the next commands, if there are any.
4503 */
4504 i = (int)(src - *cmdlinep); /* length of part before match */
4505 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4506
4507 mch_memmove(new_cmdline + i, repl, (size_t)len);
4508 i += len; /* remember the end of the string */
4509 STRCPY(new_cmdline + i, src + srclen);
4510 src = new_cmdline + i; /* remember where to continue */
4511
4512 if (eap->nextcmd != NULL) /* append next command */
4513 {
4514 i = (int)STRLEN(new_cmdline) + 1;
4515 STRCPY(new_cmdline + i, eap->nextcmd);
4516 eap->nextcmd = new_cmdline + i;
4517 }
4518 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4519 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4520 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4521 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4522 vim_free(*cmdlinep);
4523 *cmdlinep = new_cmdline;
4524
4525 return src;
4526 }
4527
4528 /*
4529 * Check for '|' to separate commands and '"' to start comments.
4530 */
4531 void
4532 separate_nextcmd(eap)
4533 exarg_T *eap;
4534 {
4535 char_u *p;
4536
4537 #ifdef FEAT_QUICKFIX
4538 p = skip_grep_pat(eap);
4539 #else
4540 p = eap->arg;
4541 #endif
4542
4543 for ( ; *p; mb_ptr_adv(p))
4544 {
4545 if (*p == Ctrl_V)
4546 {
4547 if (eap->argt & (USECTRLV | XFILE))
4548 ++p; /* skip CTRL-V and next char */
4549 else
4550 /* remove CTRL-V and skip next char */
4551 mch_memmove(p, p + 1, STRLEN(p));
4552 if (*p == NUL) /* stop at NUL after CTRL-V */
4553 break;
4554 }
4555
4556 #ifdef FEAT_EVAL
4557 /* Skip over `=expr` when wildcards are expanded. */
4558 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4559 {
4560 p += 2;
4561 (void)skip_expr(&p);
4562 }
4563 #endif
4564
4565 /* Check for '"': start of comment or '|': next command */
4566 /* :@" and :*" do not start a comment!
4567 * :redir @" doesn't either. */
4568 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4569 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4570 || p != eap->arg)
4571 && (eap->cmdidx != CMD_redir
4572 || p != eap->arg + 1 || p[-1] != '@'))
4573 || *p == '|' || *p == '\n')
4574 {
4575 /*
4576 * We remove the '\' before the '|', unless USECTRLV is used
4577 * AND 'b' is present in 'cpoptions'.
4578 */
4579 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4580 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4581 {
4582 mch_memmove(p - 1, p, STRLEN(p) + 1); /* remove the '\' */
4583 --p;
4584 }
4585 else
4586 {
4587 eap->nextcmd = check_nextcmd(p);
4588 *p = NUL;
4589 break;
4590 }
4591 }
4592 }
4593
4594 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4595 del_trailing_spaces(eap->arg);
4596 }
4597
4598 /*
4599 * get + command from ex argument
4600 */
4601 static char_u *
4602 getargcmd(argp)
4603 char_u **argp;
4604 {
4605 char_u *arg = *argp;
4606 char_u *command = NULL;
4607
4608 if (*arg == '+') /* +[command] */
4609 {
4610 ++arg;
4611 if (vim_isspace(*arg))
4612 command = dollar_command;
4613 else
4614 {
4615 command = arg;
4616 arg = skip_cmd_arg(command, TRUE);
4617 if (*arg != NUL)
4618 *arg++ = NUL; /* terminate command with NUL */
4619 }
4620
4621 arg = skipwhite(arg); /* skip over spaces */
4622 *argp = arg;
4623 }
4624 return command;
4625 }
4626
4627 /*
4628 * Find end of "+command" argument. Skip over "\ " and "\\".
4629 */
4630 static char_u *
4631 skip_cmd_arg(p, rembs)
4632 char_u *p;
4633 int rembs; /* TRUE to halve the number of backslashes */
4634 {
4635 while (*p && !vim_isspace(*p))
4636 {
4637 if (*p == '\\' && p[1] != NUL)
4638 {
4639 if (rembs)
4640 mch_memmove(p, p + 1, STRLEN(p));
4641 else
4642 ++p;
4643 }
4644 mb_ptr_adv(p);
4645 }
4646 return p;
4647 }
4648
4649 /*
4650 * Get "++opt=arg" argument.
4651 * Return FAIL or OK.
4652 */
4653 static int
4654 getargopt(eap)
4655 exarg_T *eap;
4656 {
4657 char_u *arg = eap->arg + 2;
4658 int *pp = NULL;
4659 #ifdef FEAT_MBYTE
4660 char_u *p;
4661 #endif
4662
4663 /* ":edit ++[no]bin[ary] file" */
4664 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4665 {
4666 if (*arg == 'n')
4667 {
4668 arg += 2;
4669 eap->force_bin = FORCE_NOBIN;
4670 }
4671 else
4672 eap->force_bin = FORCE_BIN;
4673 if (!checkforcmd(&arg, "binary", 3))
4674 return FAIL;
4675 eap->arg = skipwhite(arg);
4676 return OK;
4677 }
4678
4679 /* ":read ++edit file" */
4680 if (STRNCMP(arg, "edit", 4) == 0)
4681 {
4682 eap->read_edit = TRUE;
4683 eap->arg = skipwhite(arg + 4);
4684 return OK;
4685 }
4686
4687 if (STRNCMP(arg, "ff", 2) == 0)
4688 {
4689 arg += 2;
4690 pp = &eap->force_ff;
4691 }
4692 else if (STRNCMP(arg, "fileformat", 10) == 0)
4693 {
4694 arg += 10;
4695 pp = &eap->force_ff;
4696 }
4697 #ifdef FEAT_MBYTE
4698 else if (STRNCMP(arg, "enc", 3) == 0)
4699 {
4700 arg += 3;
4701 pp = &eap->force_enc;
4702 }
4703 else if (STRNCMP(arg, "encoding", 8) == 0)
4704 {
4705 arg += 8;
4706 pp = &eap->force_enc;
4707 }
4708 else if (STRNCMP(arg, "bad", 3) == 0)
4709 {
4710 arg += 3;
4711 pp = &eap->bad_char;
4712 }
4713 #endif
4714
4715 if (pp == NULL || *arg != '=')
4716 return FAIL;
4717
4718 ++arg;
4719 *pp = (int)(arg - eap->cmd);
4720 arg = skip_cmd_arg(arg, FALSE);
4721 eap->arg = skipwhite(arg);
4722 *arg = NUL;
4723
4724 #ifdef FEAT_MBYTE
4725 if (pp == &eap->force_ff)
4726 {
4727 #endif
4728 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4729 return FAIL;
4730 #ifdef FEAT_MBYTE
4731 }
4732 else if (pp == &eap->force_enc)
4733 {
4734 /* Make 'fileencoding' lower case. */
4735 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4736 *p = TOLOWER_ASC(*p);
4737 }
4738 else
4739 {
4740 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4741 * "drop". */
4742 p = eap->cmd + eap->bad_char;
4743 if (STRICMP(p, "keep") == 0)
4744 eap->bad_char = BAD_KEEP;
4745 else if (STRICMP(p, "drop") == 0)
4746 eap->bad_char = BAD_DROP;
4747 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4748 eap->bad_char = *p;
4749 else
4750 return FAIL;
4751 }
4752 #endif
4753
4754 return OK;
4755 }
4756
4757 /*
4758 * ":abbreviate" and friends.
4759 */
4760 static void
4761 ex_abbreviate(eap)
4762 exarg_T *eap;
4763 {
4764 do_exmap(eap, TRUE); /* almost the same as mapping */
4765 }
4766
4767 /*
4768 * ":map" and friends.
4769 */
4770 static void
4771 ex_map(eap)
4772 exarg_T *eap;
4773 {
4774 /*
4775 * If we are sourcing .exrc or .vimrc in current directory we
4776 * print the mappings for security reasons.
4777 */
4778 if (secure)
4779 {
4780 secure = 2;
4781 msg_outtrans(eap->cmd);
4782 msg_putchar('\n');
4783 }
4784 do_exmap(eap, FALSE);
4785 }
4786
4787 /*
4788 * ":unmap" and friends.
4789 */
4790 static void
4791 ex_unmap(eap)
4792 exarg_T *eap;
4793 {
4794 do_exmap(eap, FALSE);
4795 }
4796
4797 /*
4798 * ":mapclear" and friends.
4799 */
4800 static void
4801 ex_mapclear(eap)
4802 exarg_T *eap;
4803 {
4804 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4805 }
4806
4807 /*
4808 * ":abclear" and friends.
4809 */
4810 static void
4811 ex_abclear(eap)
4812 exarg_T *eap;
4813 {
4814 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4815 }
4816
4817 #ifdef FEAT_AUTOCMD
4818 static void
4819 ex_autocmd(eap)
4820 exarg_T *eap;
4821 {
4822 /*
4823 * Disallow auto commands from .exrc and .vimrc in current
4824 * directory for security reasons.
4825 */
4826 if (secure)
4827 {
4828 secure = 2;
4829 eap->errmsg = e_curdir;
4830 }
4831 else if (eap->cmdidx == CMD_autocmd)
4832 do_autocmd(eap->arg, eap->forceit);
4833 else
4834 do_augroup(eap->arg, eap->forceit);
4835 }
4836
4837 /*
4838 * ":doautocmd": Apply the automatic commands to the current buffer.
4839 */
4840 static void
4841 ex_doautocmd(eap)
4842 exarg_T *eap;
4843 {
4844 (void)do_doautocmd(eap->arg, TRUE);
4845 do_modelines(0);
4846 }
4847 #endif
4848
4849 #ifdef FEAT_LISTCMDS
4850 /*
4851 * :[N]bunload[!] [N] [bufname] unload buffer
4852 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4853 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4854 */
4855 static void
4856 ex_bunload(eap)
4857 exarg_T *eap;
4858 {
4859 eap->errmsg = do_bufdel(
4860 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4861 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4862 : DOBUF_UNLOAD, eap->arg,
4863 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4864 }
4865
4866 /*
4867 * :[N]buffer [N] to buffer N
4868 * :[N]sbuffer [N] to buffer N
4869 */
4870 static void
4871 ex_buffer(eap)
4872 exarg_T *eap;
4873 {
4874 if (*eap->arg)
4875 eap->errmsg = e_trailing;
4876 else
4877 {
4878 if (eap->addr_count == 0) /* default is current buffer */
4879 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4880 else
4881 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4882 }
4883 }
4884
4885 /*
4886 * :[N]bmodified [N] to next mod. buffer
4887 * :[N]sbmodified [N] to next mod. buffer
4888 */
4889 static void
4890 ex_bmodified(eap)
4891 exarg_T *eap;
4892 {
4893 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4894 }
4895
4896 /*
4897 * :[N]bnext [N] to next buffer
4898 * :[N]sbnext [N] split and to next buffer
4899 */
4900 static void
4901 ex_bnext(eap)
4902 exarg_T *eap;
4903 {
4904 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4905 }
4906
4907 /*
4908 * :[N]bNext [N] to previous buffer
4909 * :[N]bprevious [N] to previous buffer
4910 * :[N]sbNext [N] split and to previous buffer
4911 * :[N]sbprevious [N] split and to previous buffer
4912 */
4913 static void
4914 ex_bprevious(eap)
4915 exarg_T *eap;
4916 {
4917 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4918 }
4919
4920 /*
4921 * :brewind to first buffer
4922 * :bfirst to first buffer
4923 * :sbrewind split and to first buffer
4924 * :sbfirst split and to first buffer
4925 */
4926 static void
4927 ex_brewind(eap)
4928 exarg_T *eap;
4929 {
4930 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4931 }
4932
4933 /*
4934 * :blast to last buffer
4935 * :sblast split and to last buffer
4936 */
4937 static void
4938 ex_blast(eap)
4939 exarg_T *eap;
4940 {
4941 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4942 }
4943 #endif
4944
4945 int
4946 ends_excmd(c)
4947 int c;
4948 {
4949 return (c == NUL || c == '|' || c == '"' || c == '\n');
4950 }
4951
4952 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4953 || defined(PROTO)
4954 /*
4955 * Return the next command, after the first '|' or '\n'.
4956 * Return NULL if not found.
4957 */
4958 char_u *
4959 find_nextcmd(p)
4960 char_u *p;
4961 {
4962 while (*p != '|' && *p != '\n')
4963 {
4964 if (*p == NUL)
4965 return NULL;
4966 ++p;
4967 }
4968 return (p + 1);
4969 }
4970 #endif
4971
4972 /*
4973 * Check if *p is a separator between Ex commands.
4974 * Return NULL if it isn't, (p + 1) if it is.
4975 */
4976 char_u *
4977 check_nextcmd(p)
4978 char_u *p;
4979 {
4980 p = skipwhite(p);
4981 if (*p == '|' || *p == '\n')
4982 return (p + 1);
4983 else
4984 return NULL;
4985 }
4986
4987 /*
4988 * - if there are more files to edit
4989 * - and this is the last window
4990 * - and forceit not used
4991 * - and not repeated twice on a row
4992 * return FAIL and give error message if 'message' TRUE
4993 * return OK otherwise
4994 */
4995 static int
4996 check_more(message, forceit)
4997 int message; /* when FALSE check only, no messages */
4998 int forceit;
4999 {
5000 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5001
5002 if (!forceit && only_one_window()
5003 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5004 {
5005 if (message)
5006 {
5007 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5008 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5009 {
5010 char_u buff[IOSIZE];
5011
5012 if (n == 1)
5013 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5014 else
5015 vim_snprintf((char *)buff, IOSIZE,
5016 _("%d more files to edit. Quit anyway?"), n);
5017 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5018 return OK;
5019 return FAIL;
5020 }
5021 #endif
5022 if (n == 1)
5023 EMSG(_("E173: 1 more file to edit"));
5024 else
5025 EMSGN(_("E173: %ld more files to edit"), n);
5026 quitmore = 2; /* next try to quit is allowed */
5027 }
5028 return FAIL;
5029 }
5030 return OK;
5031 }
5032
5033 #ifdef FEAT_CMDL_COMPL
5034 /*
5035 * Function given to ExpandGeneric() to obtain the list of command names.
5036 */
5037 /*ARGSUSED*/
5038 char_u *
5039 get_command_name(xp, idx)
5040 expand_T *xp;
5041 int idx;
5042 {
5043 if (idx >= (int)CMD_SIZE)
5044 # ifdef FEAT_USR_CMDS
5045 return get_user_command_name(idx);
5046 # else
5047 return NULL;
5048 # endif
5049 return cmdnames[idx].cmd_name;
5050 }
5051 #endif
5052
5053 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5054 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));
5055 static void uc_list __ARGS((char_u *name, size_t name_len));
5056 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5057 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5058 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));
5059
5060 static int
5061 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5062 char_u *name;
5063 size_t name_len;
5064 char_u *rep;
5065 long argt;
5066 long def;
5067 int flags;
5068 int compl;
5069 char_u *compl_arg;
5070 int force;
5071 {
5072 ucmd_T *cmd = NULL;
5073 char_u *p;
5074 int i;
5075 int cmp = 1;
5076 char_u *rep_buf = NULL;
5077 garray_T *gap;
5078
5079 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5080 if (rep_buf == NULL)
5081 {
5082 /* Can't replace termcodes - try using the string as is */
5083 rep_buf = vim_strsave(rep);
5084
5085 /* Give up if out of memory */
5086 if (rep_buf == NULL)
5087 return FAIL;
5088 }
5089
5090 /* get address of growarray: global or in curbuf */
5091 if (flags & UC_BUFFER)
5092 {
5093 gap = &curbuf->b_ucmds;
5094 if (gap->ga_itemsize == 0)
5095 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5096 }
5097 else
5098 gap = &ucmds;
5099
5100 /* Search for the command in the already defined commands. */
5101 for (i = 0; i < gap->ga_len; ++i)
5102 {
5103 size_t len;
5104
5105 cmd = USER_CMD_GA(gap, i);
5106 len = STRLEN(cmd->uc_name);
5107 cmp = STRNCMP(name, cmd->uc_name, name_len);
5108 if (cmp == 0)
5109 {
5110 if (name_len < len)
5111 cmp = -1;
5112 else if (name_len > len)
5113 cmp = 1;
5114 }
5115
5116 if (cmp == 0)
5117 {
5118 if (!force)
5119 {
5120 EMSG(_("E174: Command already exists: add ! to replace it"));
5121 goto fail;
5122 }
5123
5124 vim_free(cmd->uc_rep);
5125 cmd->uc_rep = 0;
5126 break;
5127 }
5128
5129 /* Stop as soon as we pass the name to add */
5130 if (cmp < 0)
5131 break;
5132 }
5133
5134 /* Extend the array unless we're replacing an existing command */
5135 if (cmp != 0)
5136 {
5137 if (ga_grow(gap, 1) != OK)
5138 goto fail;
5139 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5140 goto fail;
5141
5142 cmd = USER_CMD_GA(gap, i);
5143 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5144
5145 ++gap->ga_len;
5146
5147 cmd->uc_name = p;
5148 }
5149
5150 cmd->uc_rep = rep_buf;
5151 cmd->uc_argt = argt;
5152 cmd->uc_def = def;
5153 cmd->uc_compl = compl;
5154 #ifdef FEAT_EVAL
5155 cmd->uc_scriptID = current_SID;
5156 # ifdef FEAT_CMDL_COMPL
5157 cmd->uc_compl_arg = compl_arg;
5158 # endif
5159 #endif
5160
5161 return OK;
5162
5163 fail:
5164 vim_free(rep_buf);
5165 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5166 vim_free(compl_arg);
5167 #endif
5168 return FAIL;
5169 }
5170
5171 /*
5172 * List of names for completion for ":command" with the EXPAND_ flag.
5173 * Must be alphabetical for completion.
5174 */
5175 static struct
5176 {
5177 int expand;
5178 char *name;
5179 } command_complete[] =
5180 {
5181 {EXPAND_AUGROUP, "augroup"},
5182 {EXPAND_BUFFERS, "buffer"},
5183 {EXPAND_COMMANDS, "command"},
5184 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5185 {EXPAND_USER_DEFINED, "custom"},
5186 {EXPAND_USER_LIST, "customlist"},
5187 #endif
5188 {EXPAND_DIRECTORIES, "dir"},
5189 {EXPAND_ENV_VARS, "environment"},
5190 {EXPAND_EVENTS, "event"},
5191 {EXPAND_EXPRESSION, "expression"},
5192 {EXPAND_FILES, "file"},
5193 {EXPAND_FUNCTIONS, "function"},
5194 {EXPAND_HELP, "help"},
5195 {EXPAND_HIGHLIGHT, "highlight"},
5196 {EXPAND_MAPPINGS, "mapping"},
5197 {EXPAND_MENUS, "menu"},
5198 {EXPAND_SETTINGS, "option"},
5199 {EXPAND_SHELLCMD, "shellcmd"},
5200 {EXPAND_TAGS, "tag"},
5201 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5202 {EXPAND_USER_VARS, "var"},
5203 {0, NULL}
5204 };
5205
5206 static void
5207 uc_list(name, name_len)
5208 char_u *name;
5209 size_t name_len;
5210 {
5211 int i, j;
5212 int found = FALSE;
5213 ucmd_T *cmd;
5214 int len;
5215 long a;
5216 garray_T *gap;
5217
5218 gap = &curbuf->b_ucmds;
5219 for (;;)
5220 {
5221 for (i = 0; i < gap->ga_len; ++i)
5222 {
5223 cmd = USER_CMD_GA(gap, i);
5224 a = (long)cmd->uc_argt;
5225
5226 /* Skip commands which don't match the requested prefix */
5227 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5228 continue;
5229
5230 /* Put out the title first time */
5231 if (!found)
5232 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5233 found = TRUE;
5234 msg_putchar('\n');
5235 if (got_int)
5236 break;
5237
5238 /* Special cases */
5239 msg_putchar(a & BANG ? '!' : ' ');
5240 msg_putchar(a & REGSTR ? '"' : ' ');
5241 msg_putchar(gap != &ucmds ? 'b' : ' ');
5242 msg_putchar(' ');
5243
5244 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5245 len = (int)STRLEN(cmd->uc_name) + 4;
5246
5247 do {
5248 msg_putchar(' ');
5249 ++len;
5250 } while (len < 16);
5251
5252 len = 0;
5253
5254 /* Arguments */
5255 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5256 {
5257 case 0: IObuff[len++] = '0'; break;
5258 case (EXTRA): IObuff[len++] = '*'; break;
5259 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5260 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5261 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5262 }
5263
5264 do {
5265 IObuff[len++] = ' ';
5266 } while (len < 5);
5267
5268 /* Range */
5269 if (a & (RANGE|COUNT))
5270 {
5271 if (a & COUNT)
5272 {
5273 /* -count=N */
5274 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5275 len += (int)STRLEN(IObuff + len);
5276 }
5277 else if (a & DFLALL)
5278 IObuff[len++] = '%';
5279 else if (cmd->uc_def >= 0)
5280 {
5281 /* -range=N */
5282 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5283 len += (int)STRLEN(IObuff + len);
5284 }
5285 else
5286 IObuff[len++] = '.';
5287 }
5288
5289 do {
5290 IObuff[len++] = ' ';
5291 } while (len < 11);
5292
5293 /* Completion */
5294 for (j = 0; command_complete[j].expand != 0; ++j)
5295 if (command_complete[j].expand == cmd->uc_compl)
5296 {
5297 STRCPY(IObuff + len, command_complete[j].name);
5298 len += (int)STRLEN(IObuff + len);
5299 break;
5300 }
5301
5302 do {
5303 IObuff[len++] = ' ';
5304 } while (len < 21);
5305
5306 IObuff[len] = '\0';
5307 msg_outtrans(IObuff);
5308
5309 msg_outtrans_special(cmd->uc_rep, FALSE);
5310 #ifdef FEAT_EVAL
5311 if (p_verbose > 0)
5312 last_set_msg(cmd->uc_scriptID);
5313 #endif
5314 out_flush();
5315 ui_breakcheck();
5316 if (got_int)
5317 break;
5318 }
5319 if (gap == &ucmds || i < gap->ga_len)
5320 break;
5321 gap = &ucmds;
5322 }
5323
5324 if (!found)
5325 MSG(_("No user-defined commands found"));
5326 }
5327
5328 static char_u *
5329 uc_fun_cmd()
5330 {
5331 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5332 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5333 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5334 0xb9, 0x7f, 0};
5335 int i;
5336
5337 for (i = 0; fcmd[i]; ++i)
5338 IObuff[i] = fcmd[i] - 0x40;
5339 IObuff[i] = 0;
5340 return IObuff;
5341 }
5342
5343 static int
5344 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5345 char_u *attr;
5346 size_t len;
5347 long *argt;
5348 long *def;
5349 int *flags;
5350 int *compl;
5351 char_u **compl_arg;
5352 {
5353 char_u *p;
5354
5355 if (len == 0)
5356 {
5357 EMSG(_("E175: No attribute specified"));
5358 return FAIL;
5359 }
5360
5361 /* First, try the simple attributes (no arguments) */
5362 if (STRNICMP(attr, "bang", len) == 0)
5363 *argt |= BANG;
5364 else if (STRNICMP(attr, "buffer", len) == 0)
5365 *flags |= UC_BUFFER;
5366 else if (STRNICMP(attr, "register", len) == 0)
5367 *argt |= REGSTR;
5368 else if (STRNICMP(attr, "bar", len) == 0)
5369 *argt |= TRLBAR;
5370 else
5371 {
5372 int i;
5373 char_u *val = NULL;
5374 size_t vallen = 0;
5375 size_t attrlen = len;
5376
5377 /* Look for the attribute name - which is the part before any '=' */
5378 for (i = 0; i < (int)len; ++i)
5379 {
5380 if (attr[i] == '=')
5381 {
5382 val = &attr[i + 1];
5383 vallen = len - i - 1;
5384 attrlen = i;
5385 break;
5386 }
5387 }
5388
5389 if (STRNICMP(attr, "nargs", attrlen) == 0)
5390 {
5391 if (vallen == 1)
5392 {
5393 if (*val == '0')
5394 /* Do nothing - this is the default */;
5395 else if (*val == '1')
5396 *argt |= (EXTRA | NOSPC | NEEDARG);
5397 else if (*val == '*')
5398 *argt |= EXTRA;
5399 else if (*val == '?')
5400 *argt |= (EXTRA | NOSPC);
5401 else if (*val == '+')
5402 *argt |= (EXTRA | NEEDARG);
5403 else
5404 goto wrong_nargs;
5405 }
5406 else
5407 {
5408 wrong_nargs:
5409 EMSG(_("E176: Invalid number of arguments"));
5410 return FAIL;
5411 }
5412 }
5413 else if (STRNICMP(attr, "range", attrlen) == 0)
5414 {
5415 *argt |= RANGE;
5416 if (vallen == 1 && *val == '%')
5417 *argt |= DFLALL;
5418 else if (val != NULL)
5419 {
5420 p = val;
5421 if (*def >= 0)
5422 {
5423 two_count:
5424 EMSG(_("E177: Count cannot be specified twice"));
5425 return FAIL;
5426 }
5427
5428 *def = getdigits(&p);
5429 *argt |= (ZEROR | NOTADR);
5430
5431 if (p != val + vallen || vallen == 0)
5432 {
5433 invalid_count:
5434 EMSG(_("E178: Invalid default value for count"));
5435 return FAIL;
5436 }
5437 }
5438 }
5439 else if (STRNICMP(attr, "count", attrlen) == 0)
5440 {
5441 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5442
5443 if (val != NULL)
5444 {
5445 p = val;
5446 if (*def >= 0)
5447 goto two_count;
5448
5449 *def = getdigits(&p);
5450
5451 if (p != val + vallen)
5452 goto invalid_count;
5453 }
5454
5455 if (*def < 0)
5456 *def = 0;
5457 }
5458 else if (STRNICMP(attr, "complete", attrlen) == 0)
5459 {
5460 if (val == NULL)
5461 {
5462 EMSG(_("E179: argument required for -complete"));
5463 return FAIL;
5464 }
5465
5466 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5467 == FAIL)
5468 return FAIL;
5469 }
5470 else
5471 {
5472 char_u ch = attr[len];
5473 attr[len] = '\0';
5474 EMSG2(_("E181: Invalid attribute: %s"), attr);
5475 attr[len] = ch;
5476 return FAIL;
5477 }
5478 }
5479
5480 return OK;
5481 }
5482
5483 static void
5484 ex_command(eap)
5485 exarg_T *eap;
5486 {
5487 char_u *name;
5488 char_u *end;
5489 char_u *p;
5490 long argt = 0;
5491 long def = -1;
5492 int flags = 0;
5493 int compl = EXPAND_NOTHING;
5494 char_u *compl_arg = NULL;
5495 int has_attr = (eap->arg[0] == '-');
5496
5497 p = eap->arg;
5498
5499 /* Check for attributes */
5500 while (*p == '-')
5501 {
5502 ++p;
5503 end = skiptowhite(p);
5504 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5505 == FAIL)
5506 return;
5507 p = skipwhite(end);
5508 }
5509
5510 /* Get the name (if any) and skip to the following argument */
5511 name = p;
5512 if (ASCII_ISALPHA(*p))
5513 while (ASCII_ISALNUM(*p))
5514 ++p;
5515 if (!ends_excmd(*p) && !vim_iswhite(*p))
5516 {
5517 EMSG(_("E182: Invalid command name"));
5518 return;
5519 }
5520 end = p;
5521
5522 /* If there is nothing after the name, and no attributes were specified,
5523 * we are listing commands
5524 */
5525 p = skipwhite(end);
5526 if (!has_attr && ends_excmd(*p))
5527 {
5528 uc_list(name, end - name);
5529 }
5530 else if (!ASCII_ISUPPER(*name))
5531 {
5532 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5533 return;
5534 }
5535 else
5536 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5537 eap->forceit);
5538 }
5539
5540 /*
5541 * ":comclear"
5542 * Clear all user commands, global and for current buffer.
5543 */
5544 /*ARGSUSED*/
5545 void
5546 ex_comclear(eap)
5547 exarg_T *eap;
5548 {
5549 uc_clear(&ucmds);
5550 uc_clear(&curbuf->b_ucmds);
5551 }
5552
5553 /*
5554 * Clear all user commands for "gap".
5555 */
5556 void
5557 uc_clear(gap)
5558 garray_T *gap;
5559 {
5560 int i;
5561 ucmd_T *cmd;
5562
5563 for (i = 0; i < gap->ga_len; ++i)
5564 {
5565 cmd = USER_CMD_GA(gap, i);
5566 vim_free(cmd->uc_name);
5567 vim_free(cmd->uc_rep);
5568 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5569 vim_free(cmd->uc_compl_arg);
5570 # endif
5571 }
5572 ga_clear(gap);
5573 }
5574
5575 static void
5576 ex_delcommand(eap)
5577 exarg_T *eap;
5578 {
5579 int i = 0;
5580 ucmd_T *cmd = NULL;
5581 int cmp = -1;
5582 garray_T *gap;
5583
5584 gap = &curbuf->b_ucmds;
5585 for (;;)
5586 {
5587 for (i = 0; i < gap->ga_len; ++i)
5588 {
5589 cmd = USER_CMD_GA(gap, i);
5590 cmp = STRCMP(eap->arg, cmd->uc_name);
5591 if (cmp <= 0)
5592 break;
5593 }
5594 if (gap == &ucmds || cmp == 0)
5595 break;
5596 gap = &ucmds;
5597 }
5598
5599 if (cmp != 0)
5600 {
5601 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5602 return;
5603 }
5604
5605 vim_free(cmd->uc_name);
5606 vim_free(cmd->uc_rep);
5607 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5608 vim_free(cmd->uc_compl_arg);
5609 # endif
5610
5611 --gap->ga_len;
5612
5613 if (i < gap->ga_len)
5614 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5615 }
5616
5617 /*
5618 * split and quote args for <f-args>
5619 */
5620 static char_u *
5621 uc_split_args(arg, lenp)
5622 char_u *arg;
5623 size_t *lenp;
5624 {
5625 char_u *buf;
5626 char_u *p;
5627 char_u *q;
5628 int len;
5629
5630 /* Precalculate length */
5631 p = arg;
5632 len = 2; /* Initial and final quotes */
5633
5634 while (*p)
5635 {
5636 if (p[0] == '\\' && p[1] == '\\')
5637 {
5638 len += 2;
5639 p += 2;
5640 }
5641 else if (p[0] == '\\' && vim_iswhite(p[1]))
5642 {
5643 len += 1;
5644 p += 2;
5645 }
5646 else if (*p == '\\' || *p == '"')
5647 {
5648 len += 2;
5649 p += 1;
5650 }
5651 else if (vim_iswhite(*p))
5652 {
5653 p = skipwhite(p);
5654 if (*p == NUL)
5655 break;
5656 len += 3; /* "," */
5657 }
5658 else
5659 {
5660 ++len;
5661 ++p;
5662 }
5663 }
5664
5665 buf = alloc(len + 1);
5666 if (buf == NULL)
5667 {
5668 *lenp = 0;
5669 return buf;
5670 }
5671
5672 p = arg;
5673 q = buf;
5674 *q++ = '"';
5675 while (*p)
5676 {
5677 if (p[0] == '\\' && p[1] == '\\')
5678 {
5679 *q++ = '\\';
5680 *q++ = '\\';
5681 p += 2;
5682 }
5683 else if (p[0] == '\\' && vim_iswhite(p[1]))
5684 {
5685 *q++ = p[1];
5686 p += 2;
5687 }
5688 else if (*p == '\\' || *p == '"')
5689 {
5690 *q++ = '\\';
5691 *q++ = *p++;
5692 }
5693 else if (vim_iswhite(*p))
5694 {
5695 p = skipwhite(p);
5696 if (*p == NUL)
5697 break;
5698 *q++ = '"';
5699 *q++ = ',';
5700 *q++ = '"';
5701 }
5702 else
5703 {
5704 *q++ = *p++;
5705 }
5706 }
5707 *q++ = '"';
5708 *q = 0;
5709
5710 *lenp = len;
5711 return buf;
5712 }
5713
5714 /*
5715 * Check for a <> code in a user command.
5716 * "code" points to the '<'. "len" the length of the <> (inclusive).
5717 * "buf" is where the result is to be added.
5718 * "split_buf" points to a buffer used for splitting, caller should free it.
5719 * "split_len" is the length of what "split_buf" contains.
5720 * Returns the length of the replacement, which has been added to "buf".
5721 * Returns -1 if there was no match, and only the "<" has been copied.
5722 */
5723 static size_t
5724 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5725 char_u *code;
5726 size_t len;
5727 char_u *buf;
5728 ucmd_T *cmd; /* the user command we're expanding */
5729 exarg_T *eap; /* ex arguments */
5730 char_u **split_buf;
5731 size_t *split_len;
5732 {
5733 size_t result = 0;
5734 char_u *p = code + 1;
5735 size_t l = len - 2;
5736 int quote = 0;
5737 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5738 ct_LT, ct_NONE } type = ct_NONE;
5739
5740 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5741 {
5742 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5743 p += 2;
5744 l -= 2;
5745 }
5746
5747 ++l;
5748 if (l <= 1)
5749 type = ct_NONE;
5750 else if (STRNICMP(p, "args>", l) == 0)
5751 type = ct_ARGS;
5752 else if (STRNICMP(p, "bang>", l) == 0)
5753 type = ct_BANG;
5754 else if (STRNICMP(p, "count>", l) == 0)
5755 type = ct_COUNT;
5756 else if (STRNICMP(p, "line1>", l) == 0)
5757 type = ct_LINE1;
5758 else if (STRNICMP(p, "line2>", l) == 0)
5759 type = ct_LINE2;
5760 else if (STRNICMP(p, "lt>", l) == 0)
5761 type = ct_LT;
5762 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5763 type = ct_REGISTER;
5764
5765 switch (type)
5766 {
5767 case ct_ARGS:
5768 /* Simple case first */
5769 if (*eap->arg == NUL)
5770 {
5771 if (quote == 1)
5772 {
5773 result = 2;
5774 if (buf != NULL)
5775 STRCPY(buf, "''");
5776 }
5777 else
5778 result = 0;
5779 break;
5780 }
5781
5782 /* When specified there is a single argument don't split it.
5783 * Works for ":Cmd %" when % is "a b c". */
5784 if ((eap->argt & NOSPC) && quote == 2)
5785 quote = 1;
5786
5787 switch (quote)
5788 {
5789 case 0: /* No quoting, no splitting */
5790 result = STRLEN(eap->arg);
5791 if (buf != NULL)
5792 STRCPY(buf, eap->arg);
5793 break;
5794 case 1: /* Quote, but don't split */
5795 result = STRLEN(eap->arg) + 2;
5796 for (p = eap->arg; *p; ++p)
5797 {
5798 if (*p == '\\' || *p == '"')
5799 ++result;
5800 }
5801
5802 if (buf != NULL)
5803 {
5804 *buf++ = '"';
5805 for (p = eap->arg; *p; ++p)
5806 {
5807 if (*p == '\\' || *p == '"')
5808 *buf++ = '\\';
5809 *buf++ = *p;
5810 }
5811 *buf = '"';
5812 }
5813
5814 break;
5815 case 2: /* Quote and split (<f-args>) */
5816 /* This is hard, so only do it once, and cache the result */
5817 if (*split_buf == NULL)
5818 *split_buf = uc_split_args(eap->arg, split_len);
5819
5820 result = *split_len;
5821 if (buf != NULL && result != 0)
5822 STRCPY(buf, *split_buf);
5823
5824 break;
5825 }
5826 break;
5827
5828 case ct_BANG:
5829 result = eap->forceit ? 1 : 0;
5830 if (quote)
5831 result += 2;
5832 if (buf != NULL)
5833 {
5834 if (quote)
5835 *buf++ = '"';
5836 if (eap->forceit)
5837 *buf++ = '!';
5838 if (quote)
5839 *buf = '"';
5840 }
5841 break;
5842
5843 case ct_LINE1:
5844 case ct_LINE2:
5845 case ct_COUNT:
5846 {
5847 char num_buf[20];
5848 long num = (type == ct_LINE1) ? eap->line1 :
5849 (type == ct_LINE2) ? eap->line2 :
5850 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5851 size_t num_len;
5852
5853 sprintf(num_buf, "%ld", num);
5854 num_len = STRLEN(num_buf);
5855 result = num_len;
5856
5857 if (quote)
5858 result += 2;
5859
5860 if (buf != NULL)
5861 {
5862 if (quote)
5863 *buf++ = '"';
5864 STRCPY(buf, num_buf);
5865 buf += num_len;
5866 if (quote)
5867 *buf = '"';
5868 }
5869
5870 break;
5871 }
5872
5873 case ct_REGISTER:
5874 result = eap->regname ? 1 : 0;
5875 if (quote)
5876 result += 2;
5877 if (buf != NULL)
5878 {
5879 if (quote)
5880 *buf++ = '\'';
5881 if (eap->regname)
5882 *buf++ = eap->regname;
5883 if (quote)
5884 *buf = '\'';
5885 }
5886 break;
5887
5888 case ct_LT:
5889 result = 1;
5890 if (buf != NULL)
5891 *buf = '<';
5892 break;
5893
5894 default:
5895 /* Not recognized: just copy the '<' and return -1. */
5896 result = (size_t)-1;
5897 if (buf != NULL)
5898 *buf = '<';
5899 break;
5900 }
5901
5902 return result;
5903 }
5904
5905 static void
5906 do_ucmd(eap)
5907 exarg_T *eap;
5908 {
5909 char_u *buf;
5910 char_u *p;
5911 char_u *q;
5912
5913 char_u *start;
5914 char_u *end;
5915 size_t len, totlen;
5916
5917 size_t split_len = 0;
5918 char_u *split_buf = NULL;
5919 ucmd_T *cmd;
5920 #ifdef FEAT_EVAL
5921 scid_T save_current_SID = current_SID;
5922 #endif
5923
5924 if (eap->cmdidx == CMD_USER)
5925 cmd = USER_CMD(eap->useridx);
5926 else
5927 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5928
5929 /*
5930 * Replace <> in the command by the arguments.
5931 */
5932 buf = NULL;
5933 for (;;)
5934 {
5935 p = cmd->uc_rep;
5936 q = buf;
5937 totlen = 0;
5938 while ((start = vim_strchr(p, '<')) != NULL
5939 && (end = vim_strchr(start + 1, '>')) != NULL)
5940 {
5941 /* Include the '>' */
5942 ++end;
5943
5944 /* Take everything up to the '<' */
5945 len = start - p;
5946 if (buf == NULL)
5947 totlen += len;
5948 else
5949 {
5950 mch_memmove(q, p, len);
5951 q += len;
5952 }
5953
5954 len = uc_check_code(start, end - start, q, cmd, eap,
5955 &split_buf, &split_len);
5956 if (len == (size_t)-1)
5957 {
5958 /* no match, continue after '<' */
5959 p = start + 1;
5960 len = 1;
5961 }
5962 else
5963 p = end;
5964 if (buf == NULL)
5965 totlen += len;
5966 else
5967 q += len;
5968 }
5969 if (buf != NULL) /* second time here, finished */
5970 {
5971 STRCPY(q, p);
5972 break;
5973 }
5974
5975 totlen += STRLEN(p); /* Add on the trailing characters */
5976 buf = alloc((unsigned)(totlen + 1));
5977 if (buf == NULL)
5978 {
5979 vim_free(split_buf);
5980 return;
5981 }
5982 }
5983
5984 #ifdef FEAT_EVAL
5985 current_SID = cmd->uc_scriptID;
5986 #endif
5987 (void)do_cmdline(buf, eap->getline, eap->cookie,
5988 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
5989 #ifdef FEAT_EVAL
5990 current_SID = save_current_SID;
5991 #endif
5992 vim_free(buf);
5993 vim_free(split_buf);
5994 }
5995
5996 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
5997 static char_u *
5998 get_user_command_name(idx)
5999 int idx;
6000 {
6001 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6002 }
6003
6004 /*
6005 * Function given to ExpandGeneric() to obtain the list of user command names.
6006 */
6007 /*ARGSUSED*/
6008 char_u *
6009 get_user_commands(xp, idx)
6010 expand_T *xp;
6011 int idx;
6012 {
6013 if (idx < curbuf->b_ucmds.ga_len)
6014 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6015 idx -= curbuf->b_ucmds.ga_len;
6016 if (idx < ucmds.ga_len)
6017 return USER_CMD(idx)->uc_name;
6018 return NULL;
6019 }
6020
6021 /*
6022 * Function given to ExpandGeneric() to obtain the list of user command
6023 * attributes.
6024 */
6025 /*ARGSUSED*/
6026 char_u *
6027 get_user_cmd_flags(xp, idx)
6028 expand_T *xp;
6029 int idx;
6030 {
6031 static char *user_cmd_flags[] =
6032 {"bang", "bar", "buffer", "complete", "count",
6033 "nargs", "range", "register"};
6034
6035 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6036 return NULL;
6037 return (char_u *)user_cmd_flags[idx];
6038 }
6039
6040 /*
6041 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6042 */
6043 /*ARGSUSED*/
6044 char_u *
6045 get_user_cmd_nargs(xp, idx)
6046 expand_T *xp;
6047 int idx;
6048 {
6049 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6050
6051 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6052 return NULL;
6053 return (char_u *)user_cmd_nargs[idx];
6054 }
6055
6056 /*
6057 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6058 */
6059 /*ARGSUSED*/
6060 char_u *
6061 get_user_cmd_complete(xp, idx)
6062 expand_T *xp;
6063 int idx;
6064 {
6065 return (char_u *)command_complete[idx].name;
6066 }
6067 # endif /* FEAT_CMDL_COMPL */
6068
6069 #endif /* FEAT_USR_CMDS */
6070
6071 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6072 /*
6073 * Parse a completion argument "value[vallen]".
6074 * The detected completion goes in "*complp", argument type in "*argt".
6075 * When there is an argument, for function and user defined completion, it's
6076 * copied to allocated memory and stored in "*compl_arg".
6077 * Returns FAIL if something is wrong.
6078 */
6079 int
6080 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6081 char_u *value;
6082 int vallen;
6083 int *complp;
6084 long *argt;
6085 char_u **compl_arg;
6086 {
6087 char_u *arg = NULL;
6088 size_t arglen = 0;
6089 int i;
6090 int valend = vallen;
6091
6092 /* Look for any argument part - which is the part after any ',' */
6093 for (i = 0; i < vallen; ++i)
6094 {
6095 if (value[i] == ',')
6096 {
6097 arg = &value[i + 1];
6098 arglen = vallen - i - 1;
6099 valend = i;
6100 break;
6101 }
6102 }
6103
6104 for (i = 0; command_complete[i].expand != 0; ++i)
6105 {
6106 if ((int)STRLEN(command_complete[i].name) == valend
6107 && STRNCMP(value, command_complete[i].name, valend) == 0)
6108 {
6109 *complp = command_complete[i].expand;
6110 if (command_complete[i].expand == EXPAND_BUFFERS)
6111 *argt |= BUFNAME;
6112 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6113 || command_complete[i].expand == EXPAND_FILES)
6114 *argt |= XFILE;
6115 break;
6116 }
6117 }
6118
6119 if (command_complete[i].expand == 0)
6120 {
6121 EMSG2(_("E180: Invalid complete value: %s"), value);
6122 return FAIL;
6123 }
6124
6125 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6126 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6127 && arg != NULL)
6128 # else
6129 if (arg != NULL)
6130 # endif
6131 {
6132 EMSG(_("E468: Completion argument only allowed for custom completion"));
6133 return FAIL;
6134 }
6135
6136 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6137 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6138 && arg == NULL)
6139 {
6140 EMSG(_("E467: Custom completion requires a function argument"));
6141 return FAIL;
6142 }
6143
6144 if (arg != NULL)
6145 *compl_arg = vim_strnsave(arg, (int)arglen);
6146 # endif
6147 return OK;
6148 }
6149 #endif
6150
6151 static void
6152 ex_colorscheme(eap)
6153 exarg_T *eap;
6154 {
6155 if (load_colors(eap->arg) == FAIL)
6156 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6157 }
6158
6159 static void
6160 ex_highlight(eap)
6161 exarg_T *eap;
6162 {
6163 if (*eap->arg == NUL && eap->cmd[2] == '!')
6164 MSG(_("Greetings, Vim user!"));
6165 do_highlight(eap->arg, eap->forceit, FALSE);
6166 }
6167
6168
6169 /*
6170 * Call this function if we thought we were going to exit, but we won't
6171 * (because of an error). May need to restore the terminal mode.
6172 */
6173 void
6174 not_exiting()
6175 {
6176 exiting = FALSE;
6177 settmode(TMODE_RAW);
6178 }
6179
6180 /*
6181 * ":quit": quit current window, quit Vim if closed the last window.
6182 */
6183 static void
6184 ex_quit(eap)
6185 exarg_T *eap;
6186 {
6187 #ifdef FEAT_CMDWIN
6188 if (cmdwin_type != 0)
6189 {
6190 cmdwin_result = Ctrl_C;
6191 return;
6192 }
6193 #endif
6194 /* Don't quit while editing the command line. */
6195 if (text_locked())
6196 {
6197 text_locked_msg();
6198 return;
6199 }
6200 #ifdef FEAT_AUTOCMD
6201 if (curbuf_locked())
6202 return;
6203 #endif
6204
6205 #ifdef FEAT_NETBEANS_INTG
6206 netbeansForcedQuit = eap->forceit;
6207 #endif
6208
6209 /*
6210 * If there are more files or windows we won't exit.
6211 */
6212 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6213 exiting = TRUE;
6214 if ((!P_HID(curbuf)
6215 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6216 || check_more(TRUE, eap->forceit) == FAIL
6217 || (only_one_window() && check_changed_any(eap->forceit)))
6218 {
6219 not_exiting();
6220 }
6221 else
6222 {
6223 #ifdef FEAT_WINDOWS
6224 if (only_one_window()) /* quit last window */
6225 #endif
6226 getout(0);
6227 #ifdef FEAT_WINDOWS
6228 # ifdef FEAT_GUI
6229 need_mouse_correct = TRUE;
6230 # endif
6231 /* close window; may free buffer */
6232 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6233 #endif
6234 }
6235 }
6236
6237 /*
6238 * ":cquit".
6239 */
6240 /*ARGSUSED*/
6241 static void
6242 ex_cquit(eap)
6243 exarg_T *eap;
6244 {
6245 getout(1); /* this does not always pass on the exit code to the Manx
6246 compiler. why? */
6247 }
6248
6249 /*
6250 * ":qall": try to quit all windows
6251 */
6252 static void
6253 ex_quit_all(eap)
6254 exarg_T *eap;
6255 {
6256 # ifdef FEAT_CMDWIN
6257 if (cmdwin_type != 0)
6258 {
6259 if (eap->forceit)
6260 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6261 else
6262 cmdwin_result = K_XF2;
6263 return;
6264 }
6265 # endif
6266
6267 /* Don't quit while editing the command line. */
6268 if (text_locked())
6269 {
6270 text_locked_msg();
6271 return;
6272 }
6273 #ifdef FEAT_AUTOCMD
6274 if (curbuf_locked())
6275 return;
6276 #endif
6277
6278 exiting = TRUE;
6279 if (eap->forceit || !check_changed_any(FALSE))
6280 getout(0);
6281 not_exiting();
6282 }
6283
6284 #if defined(FEAT_WINDOWS) || defined(PROTO)
6285 /*
6286 * ":close": close current window, unless it is the last one
6287 */
6288 static void
6289 ex_close(eap)
6290 exarg_T *eap;
6291 {
6292 # ifdef FEAT_CMDWIN
6293 if (cmdwin_type != 0)
6294 cmdwin_result = K_IGNORE;
6295 else
6296 # endif
6297 if (!text_locked()
6298 #ifdef FEAT_AUTOCMD
6299 && !curbuf_locked()
6300 #endif
6301 )
6302 ex_win_close(eap->forceit, curwin, NULL);
6303 }
6304
6305 # ifdef FEAT_QUICKFIX
6306 /*
6307 * ":pclose": Close any preview window.
6308 */
6309 static void
6310 ex_pclose(eap)
6311 exarg_T *eap;
6312 {
6313 win_T *win;
6314
6315 for (win = firstwin; win != NULL; win = win->w_next)
6316 if (win->w_p_pvw)
6317 {
6318 ex_win_close(eap->forceit, win, NULL);
6319 break;
6320 }
6321 }
6322 # endif
6323
6324 /*
6325 * Close window "win" and take care of handling closing the last window for a
6326 * modified buffer.
6327 */
6328 static void
6329 ex_win_close(forceit, win, tp)
6330 int forceit;
6331 win_T *win;
6332 tabpage_T *tp; /* NULL or the tab page "win" is in */
6333 {
6334 int need_hide;
6335 buf_T *buf = win->w_buffer;
6336
6337 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6338 if (need_hide && !P_HID(buf) && !forceit)
6339 {
6340 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6341 if ((p_confirm || cmdmod.confirm) && p_write)
6342 {
6343 dialog_changed(buf, FALSE);
6344 if (buf_valid(buf) && bufIsChanged(buf))
6345 return;
6346 need_hide = FALSE;
6347 }
6348 else
6349 # endif
6350 {
6351 EMSG(_(e_nowrtmsg));
6352 return;
6353 }
6354 }
6355
6356 # ifdef FEAT_GUI
6357 need_mouse_correct = TRUE;
6358 # endif
6359
6360 /* free buffer when not hiding it or when it's a scratch buffer */
6361 if (tp == NULL)
6362 win_close(win, !need_hide && !P_HID(buf));
6363 else
6364 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6365 }
6366
6367 /*
6368 * ":tabclose": close current tab page, unless it is the last one.
6369 * ":tabclose N": close tab page N.
6370 */
6371 static void
6372 ex_tabclose(eap)
6373 exarg_T *eap;
6374 {
6375 tabpage_T *tp;
6376
6377 # ifdef FEAT_CMDWIN
6378 if (cmdwin_type != 0)
6379 cmdwin_result = K_IGNORE;
6380 else
6381 # endif
6382 if (first_tabpage->tp_next == NULL)
6383 EMSG(_("E784: Cannot close last tab page"));
6384 else
6385 {
6386 if (eap->addr_count > 0)
6387 {
6388 tp = find_tabpage((int)eap->line2);
6389 if (tp == NULL)
6390 {
6391 beep_flush();
6392 return;
6393 }
6394 if (tp != curtab)
6395 {
6396 tabpage_close_other(tp, eap->forceit);
6397 return;
6398 }
6399 }
6400 if (!text_locked()
6401 #ifdef FEAT_AUTOCMD
6402 && !curbuf_locked()
6403 #endif
6404 )
6405 tabpage_close(eap->forceit);
6406 }
6407 }
6408
6409 /*
6410 * ":tabonly": close all tab pages except the current one
6411 */
6412 static void
6413 ex_tabonly(eap)
6414 exarg_T *eap;
6415 {
6416 tabpage_T *tp;
6417 int done;
6418
6419 # ifdef FEAT_CMDWIN
6420 if (cmdwin_type != 0)
6421 cmdwin_result = K_IGNORE;
6422 else
6423 # endif
6424 if (first_tabpage->tp_next == NULL)
6425 MSG(_("Already only one tab page"));
6426 else
6427 {
6428 /* Repeat this up to a 1000 times, because autocommands may mess
6429 * up the lists. */
6430 for (done = 0; done < 1000; ++done)
6431 {
6432 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6433 if (tp->tp_topframe != topframe)
6434 {
6435 tabpage_close_other(tp, eap->forceit);
6436 /* if we failed to close it quit */
6437 if (valid_tabpage(tp))
6438 done = 1000;
6439 /* start over, "tp" is now invalid */
6440 break;
6441 }
6442 if (first_tabpage->tp_next == NULL)
6443 break;
6444 }
6445 }
6446 }
6447
6448 /*
6449 * Close the current tab page.
6450 */
6451 void
6452 tabpage_close(forceit)
6453 int forceit;
6454 {
6455 /* First close all the windows but the current one. If that worked then
6456 * close the last window in this tab, that will close it. */
6457 if (lastwin != firstwin)
6458 close_others(TRUE, forceit);
6459 if (lastwin == firstwin)
6460 ex_win_close(forceit, curwin, NULL);
6461 # ifdef FEAT_GUI
6462 need_mouse_correct = TRUE;
6463 # endif
6464 }
6465
6466 /*
6467 * Close tab page "tp", which is not the current tab page.
6468 * Note that autocommands may make "tp" invalid.
6469 * Also takes care of the tab pages line disappearing when closing the
6470 * last-but-one tab page.
6471 */
6472 void
6473 tabpage_close_other(tp, forceit)
6474 tabpage_T *tp;
6475 int forceit;
6476 {
6477 int done = 0;
6478 win_T *wp;
6479 int h = tabline_height();
6480
6481 /* Limit to 1000 windows, autocommands may add a window while we close
6482 * one. OK, so I'm paranoid... */
6483 while (++done < 1000)
6484 {
6485 wp = tp->tp_firstwin;
6486 ex_win_close(forceit, wp, tp);
6487
6488 /* Autocommands may delete the tab page under our fingers and we may
6489 * fail to close a window with a modified buffer. */
6490 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6491 break;
6492 }
6493
6494 redraw_tabline = TRUE;
6495 if (h != tabline_height())
6496 shell_new_rows();
6497 }
6498
6499 /*
6500 * ":only".
6501 */
6502 static void
6503 ex_only(eap)
6504 exarg_T *eap;
6505 {
6506 # ifdef FEAT_GUI
6507 need_mouse_correct = TRUE;
6508 # endif
6509 close_others(TRUE, eap->forceit);
6510 }
6511
6512 /*
6513 * ":all" and ":sall".
6514 * Also used for ":tab drop file ..." after setting the argument list.
6515 */
6516 void
6517 ex_all(eap)
6518 exarg_T *eap;
6519 {
6520 if (eap->addr_count == 0)
6521 eap->line2 = 9999;
6522 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6523 }
6524 #endif /* FEAT_WINDOWS */
6525
6526 static void
6527 ex_hide(eap)
6528 exarg_T *eap;
6529 {
6530 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6531 eap->errmsg = e_invarg;
6532 else
6533 {
6534 /* ":hide" or ":hide | cmd": hide current window */
6535 eap->nextcmd = check_nextcmd(eap->arg);
6536 #ifdef FEAT_WINDOWS
6537 if (!eap->skip)
6538 {
6539 # ifdef FEAT_GUI
6540 need_mouse_correct = TRUE;
6541 # endif
6542 win_close(curwin, FALSE); /* don't free buffer */
6543 }
6544 #endif
6545 }
6546 }
6547
6548 /*
6549 * ":stop" and ":suspend": Suspend Vim.
6550 */
6551 static void
6552 ex_stop(eap)
6553 exarg_T *eap;
6554 {
6555 /*
6556 * Disallow suspending for "rvim".
6557 */
6558 if (!check_restricted()
6559 #ifdef WIN3264
6560 /*
6561 * Check if external commands are allowed now.
6562 */
6563 && can_end_termcap_mode(TRUE)
6564 #endif
6565 )
6566 {
6567 if (!eap->forceit)
6568 autowrite_all();
6569 windgoto((int)Rows - 1, 0);
6570 out_char('\n');
6571 out_flush();
6572 stoptermcap();
6573 out_flush(); /* needed for SUN to restore xterm buffer */
6574 #ifdef FEAT_TITLE
6575 mch_restore_title(3); /* restore window titles */
6576 #endif
6577 ui_suspend(); /* call machine specific function */
6578 #ifdef FEAT_TITLE
6579 maketitle();
6580 resettitle(); /* force updating the title */
6581 #endif
6582 starttermcap();
6583 scroll_start(); /* scroll screen before redrawing */
6584 redraw_later_clear();
6585 shell_resized(); /* may have resized window */
6586 }
6587 }
6588
6589 /*
6590 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6591 */
6592 static void
6593 ex_exit(eap)
6594 exarg_T *eap;
6595 {
6596 #ifdef FEAT_CMDWIN
6597 if (cmdwin_type != 0)
6598 {
6599 cmdwin_result = Ctrl_C;
6600 return;
6601 }
6602 #endif
6603 /* Don't quit while editing the command line. */
6604 if (text_locked())
6605 {
6606 text_locked_msg();
6607 return;
6608 }
6609 #ifdef FEAT_AUTOCMD
6610 if (curbuf_locked())
6611 return;
6612 #endif
6613
6614 /*
6615 * if more files or windows we won't exit
6616 */
6617 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6618 exiting = TRUE;
6619 if ( ((eap->cmdidx == CMD_wq
6620 || curbufIsChanged())
6621 && do_write(eap) == FAIL)
6622 || check_more(TRUE, eap->forceit) == FAIL
6623 || (only_one_window() && check_changed_any(eap->forceit)))
6624 {
6625 not_exiting();
6626 }
6627 else
6628 {
6629 #ifdef FEAT_WINDOWS
6630 if (only_one_window()) /* quit last window, exit Vim */
6631 #endif
6632 getout(0);
6633 #ifdef FEAT_WINDOWS
6634 # ifdef FEAT_GUI
6635 need_mouse_correct = TRUE;
6636 # endif
6637 /* quit current window, may free buffer */
6638 win_close(curwin, !P_HID(curwin->w_buffer));
6639 #endif
6640 }
6641 }
6642
6643 /*
6644 * ":print", ":list", ":number".
6645 */
6646 static void
6647 ex_print(eap)
6648 exarg_T *eap;
6649 {
6650 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6651 EMSG(_(e_emptybuf));
6652 else
6653 {
6654 for ( ;!got_int; ui_breakcheck())
6655 {
6656 print_line(eap->line1,
6657 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6658 || (eap->flags & EXFLAG_NR)),
6659 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6660 if (++eap->line1 > eap->line2)
6661 break;
6662 out_flush(); /* show one line at a time */
6663 }
6664 setpcmark();
6665 /* put cursor at last line */
6666 curwin->w_cursor.lnum = eap->line2;
6667 beginline(BL_SOL | BL_FIX);
6668 }
6669
6670 ex_no_reprint = TRUE;
6671 }
6672
6673 #ifdef FEAT_BYTEOFF
6674 static void
6675 ex_goto(eap)
6676 exarg_T *eap;
6677 {
6678 goto_byte(eap->line2);
6679 }
6680 #endif
6681
6682 /*
6683 * ":shell".
6684 */
6685 /*ARGSUSED*/
6686 static void
6687 ex_shell(eap)
6688 exarg_T *eap;
6689 {
6690 do_shell(NULL, 0);
6691 }
6692
6693 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6694 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6695 || defined(FEAT_GUI_MSWIN) \
6696 || defined(FEAT_GUI_MAC) \
6697 || defined(PROTO)
6698
6699 /*
6700 * Handle a file drop. The code is here because a drop is *nearly* like an
6701 * :args command, but not quite (we have a list of exact filenames, so we
6702 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6703 * code is very similar to :args and hence needs access to a lot of the static
6704 * functions in this file.
6705 *
6706 * The list should be allocated using alloc(), as should each item in the
6707 * list. This function takes over responsibility for freeing the list.
6708 *
6709 * XXX The list is made into the argument list. This is freed using
6710 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6711 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6712 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6713 * file functionality is (currently) not in EMX this is not presently a
6714 * problem.
6715 */
6716 void
6717 handle_drop(filec, filev, split)
6718 int filec; /* the number of files dropped */
6719 char_u **filev; /* the list of files dropped */
6720 int split; /* force splitting the window */
6721 {
6722 exarg_T ea;
6723 int save_msg_scroll = msg_scroll;
6724
6725 /* Postpone this while editing the command line. */
6726 if (text_locked())
6727 return;
6728 #ifdef FEAT_AUTOCMD
6729 if (curbuf_locked())
6730 return;
6731 #endif
6732
6733 /* Check whether the current buffer is changed. If so, we will need
6734 * to split the current window or data could be lost.
6735 * We don't need to check if the 'hidden' option is set, as in this
6736 * case the buffer won't be lost.
6737 */
6738 if (!P_HID(curbuf) && !split)
6739 {
6740 ++emsg_off;
6741 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6742 --emsg_off;
6743 }
6744 if (split)
6745 {
6746 # ifdef FEAT_WINDOWS
6747 if (win_split(0, 0) == FAIL)
6748 return;
6749 # ifdef FEAT_SCROLLBIND
6750 curwin->w_p_scb = FALSE;
6751 # endif
6752
6753 /* When splitting the window, create a new alist. Otherwise the
6754 * existing one is overwritten. */
6755 alist_unlink(curwin->w_alist);
6756 alist_new();
6757 # else
6758 return; /* can't split, always fail */
6759 # endif
6760 }
6761
6762 /*
6763 * Set up the new argument list.
6764 */
6765 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6766
6767 /*
6768 * Move to the first file.
6769 */
6770 /* Fake up a minimal "next" command for do_argfile() */
6771 vim_memset(&ea, 0, sizeof(ea));
6772 ea.cmd = (char_u *)"next";
6773 do_argfile(&ea, 0);
6774
6775 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6776 * mode that is not needed here. */
6777 need_start_insertmode = FALSE;
6778
6779 /* Restore msg_scroll, otherwise a following command may cause scrolling
6780 * unexpectedly. The screen will be redrawn by the caller, thus
6781 * msg_scroll being set by displaying a message is irrelevant. */
6782 msg_scroll = save_msg_scroll;
6783 }
6784 #endif
6785
6786 /*
6787 * Clear an argument list: free all file names and reset it to zero entries.
6788 */
6789 void
6790 alist_clear(al)
6791 alist_T *al;
6792 {
6793 while (--al->al_ga.ga_len >= 0)
6794 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6795 ga_clear(&al->al_ga);
6796 }
6797
6798 /*
6799 * Init an argument list.
6800 */
6801 void
6802 alist_init(al)
6803 alist_T *al;
6804 {
6805 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6806 }
6807
6808 #if defined(FEAT_WINDOWS) || defined(PROTO)
6809
6810 /*
6811 * Remove a reference from an argument list.
6812 * Ignored when the argument list is the global one.
6813 * If the argument list is no longer used by any window, free it.
6814 */
6815 void
6816 alist_unlink(al)
6817 alist_T *al;
6818 {
6819 if (al != &global_alist && --al->al_refcount <= 0)
6820 {
6821 alist_clear(al);
6822 vim_free(al);
6823 }
6824 }
6825
6826 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6827 /*
6828 * Create a new argument list and use it for the current window.
6829 */
6830 void
6831 alist_new()
6832 {
6833 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6834 if (curwin->w_alist == NULL)
6835 {
6836 curwin->w_alist = &global_alist;
6837 ++global_alist.al_refcount;
6838 }
6839 else
6840 {
6841 curwin->w_alist->al_refcount = 1;
6842 alist_init(curwin->w_alist);
6843 }
6844 }
6845 # endif
6846 #endif
6847
6848 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6849 /*
6850 * Expand the file names in the global argument list.
6851 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6852 * numbers to be re-used.
6853 */
6854 void
6855 alist_expand(fnum_list, fnum_len)
6856 int *fnum_list;
6857 int fnum_len;
6858 {
6859 char_u **old_arg_files;
6860 int old_arg_count;
6861 char_u **new_arg_files;
6862 int new_arg_file_count;
6863 char_u *save_p_su = p_su;
6864 int i;
6865
6866 /* Don't use 'suffixes' here. This should work like the shell did the
6867 * expansion. Also, the vimrc file isn't read yet, thus the user
6868 * can't set the options. */
6869 p_su = empty_option;
6870 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6871 if (old_arg_files != NULL)
6872 {
6873 for (i = 0; i < GARGCOUNT; ++i)
6874 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6875 old_arg_count = GARGCOUNT;
6876 if (expand_wildcards(old_arg_count, old_arg_files,
6877 &new_arg_file_count, &new_arg_files,
6878 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6879 && new_arg_file_count > 0)
6880 {
6881 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6882 TRUE, fnum_list, fnum_len);
6883 FreeWild(old_arg_count, old_arg_files);
6884 }
6885 }
6886 p_su = save_p_su;
6887 }
6888 #endif
6889
6890 /*
6891 * Set the argument list for the current window.
6892 * Takes over the allocated files[] and the allocated fnames in it.
6893 */
6894 void
6895 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6896 alist_T *al;
6897 int count;
6898 char_u **files;
6899 int use_curbuf;
6900 int *fnum_list;
6901 int fnum_len;
6902 {
6903 int i;
6904
6905 alist_clear(al);
6906 if (ga_grow(&al->al_ga, count) == OK)
6907 {
6908 for (i = 0; i < count; ++i)
6909 {
6910 if (got_int)
6911 {
6912 /* When adding many buffers this can take a long time. Allow
6913 * interrupting here. */
6914 while (i < count)
6915 vim_free(files[i++]);
6916 break;
6917 }
6918
6919 /* May set buffer name of a buffer previously used for the
6920 * argument list, so that it's re-used by alist_add. */
6921 if (fnum_list != NULL && i < fnum_len)
6922 buf_set_name(fnum_list[i], files[i]);
6923
6924 alist_add(al, files[i], use_curbuf ? 2 : 1);
6925 ui_breakcheck();
6926 }
6927 vim_free(files);
6928 }
6929 else
6930 FreeWild(count, files);
6931 #ifdef FEAT_WINDOWS
6932 if (al == &global_alist)
6933 #endif
6934 arg_had_last = FALSE;
6935 }
6936
6937 /*
6938 * Add file "fname" to argument list "al".
6939 * "fname" must have been allocated and "al" must have been checked for room.
6940 */
6941 void
6942 alist_add(al, fname, set_fnum)
6943 alist_T *al;
6944 char_u *fname;
6945 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6946 {
6947 if (fname == NULL) /* don't add NULL file names */
6948 return;
6949 #ifdef BACKSLASH_IN_FILENAME
6950 slash_adjust(fname);
6951 #endif
6952 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6953 if (set_fnum > 0)
6954 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6955 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6956 ++al->al_ga.ga_len;
6957 }
6958
6959 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6960 /*
6961 * Adjust slashes in file names. Called after 'shellslash' was set.
6962 */
6963 void
6964 alist_slash_adjust()
6965 {
6966 int i;
6967 # ifdef FEAT_WINDOWS
6968 win_T *wp;
6969 tabpage_T *tp;
6970 # endif
6971
6972 for (i = 0; i < GARGCOUNT; ++i)
6973 if (GARGLIST[i].ae_fname != NULL)
6974 slash_adjust(GARGLIST[i].ae_fname);
6975 # ifdef FEAT_WINDOWS
6976 FOR_ALL_TAB_WINDOWS(tp, wp)
6977 if (wp->w_alist != &global_alist)
6978 for (i = 0; i < WARGCOUNT(wp); ++i)
6979 if (WARGLIST(wp)[i].ae_fname != NULL)
6980 slash_adjust(WARGLIST(wp)[i].ae_fname);
6981 # endif
6982 }
6983 #endif
6984
6985 /*
6986 * ":preserve".
6987 */
6988 /*ARGSUSED*/
6989 static void
6990 ex_preserve(eap)
6991 exarg_T *eap;
6992 {
6993 curbuf->b_flags |= BF_PRESERVED;
6994 ml_preserve(curbuf, TRUE);
6995 }
6996
6997 /*
6998 * ":recover".
6999 */
7000 static void
7001 ex_recover(eap)
7002 exarg_T *eap;
7003 {
7004 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7005 recoverymode = TRUE;
7006 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7007 && (*eap->arg == NUL
7008 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7009 ml_recover();
7010 recoverymode = FALSE;
7011 }
7012
7013 /*
7014 * Command modifier used in a wrong way.
7015 */
7016 static void
7017 ex_wrongmodifier(eap)
7018 exarg_T *eap;
7019 {
7020 eap->errmsg = e_invcmd;
7021 }
7022
7023 #ifdef FEAT_WINDOWS
7024 /*
7025 * :sview [+command] file split window with new file, read-only
7026 * :split [[+command] file] split window with current or new file
7027 * :vsplit [[+command] file] split window vertically with current or new file
7028 * :new [[+command] file] split window with no or new file
7029 * :vnew [[+command] file] split vertically window with no or new file
7030 * :sfind [+command] file split window with file in 'path'
7031 *
7032 * :tabedit open new Tab page with empty window
7033 * :tabedit [+command] file open new Tab page and edit "file"
7034 * :tabnew [[+command] file] just like :tabedit
7035 * :tabfind [+command] file open new Tab page and find "file"
7036 */
7037 void
7038 ex_splitview(eap)
7039 exarg_T *eap;
7040 {
7041 win_T *old_curwin = curwin;
7042 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7043 char_u *fname = NULL;
7044 # endif
7045 # ifdef FEAT_BROWSE
7046 int browse_flag = cmdmod.browse;
7047 # endif
7048
7049 # ifndef FEAT_VERTSPLIT
7050 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7051 {
7052 ex_ni(eap);
7053 return;
7054 }
7055 # endif
7056
7057 # ifdef FEAT_GUI
7058 need_mouse_correct = TRUE;
7059 # endif
7060
7061 # ifdef FEAT_QUICKFIX
7062 /* A ":split" in the quickfix window works like ":new". Don't want two
7063 * quickfix windows. */
7064 if (bt_quickfix(curbuf))
7065 {
7066 if (eap->cmdidx == CMD_split)
7067 eap->cmdidx = CMD_new;
7068 # ifdef FEAT_VERTSPLIT
7069 if (eap->cmdidx == CMD_vsplit)
7070 eap->cmdidx = CMD_vnew;
7071 # endif
7072 }
7073 # endif
7074
7075 # ifdef FEAT_SEARCHPATH
7076 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7077 {
7078 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7079 FNAME_MESS, TRUE, curbuf->b_ffname);
7080 if (fname == NULL)
7081 goto theend;
7082 eap->arg = fname;
7083 }
7084 # ifdef FEAT_BROWSE
7085 else
7086 # endif
7087 # endif
7088 # ifdef FEAT_BROWSE
7089 if (cmdmod.browse
7090 # ifdef FEAT_VERTSPLIT
7091 && eap->cmdidx != CMD_vnew
7092 # endif
7093 && eap->cmdidx != CMD_new)
7094 {
7095 if (
7096 # ifdef FEAT_GUI
7097 !gui.in_use &&
7098 # endif
7099 au_has_group((char_u *)"FileExplorer"))
7100 {
7101 /* No browsing supported but we do have the file explorer:
7102 * Edit the directory. */
7103 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7104 eap->arg = (char_u *)".";
7105 }
7106 else
7107 {
7108 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7109 eap->arg, NULL, NULL, NULL, curbuf);
7110 if (fname == NULL)
7111 goto theend;
7112 eap->arg = fname;
7113 }
7114 }
7115 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7116 # endif
7117
7118 /*
7119 * Either open new tab page or split the window.
7120 */
7121 if (eap->cmdidx == CMD_tabedit
7122 || eap->cmdidx == CMD_tabfind
7123 || eap->cmdidx == CMD_tabnew)
7124 {
7125 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7126 : eap->addr_count == 0 ? 0
7127 : (int)eap->line2 + 1) != FAIL)
7128 {
7129 do_exedit(eap, old_curwin);
7130
7131 /* set the alternate buffer for the window we came from */
7132 if (curwin != old_curwin
7133 && win_valid(old_curwin)
7134 && old_curwin->w_buffer != curbuf
7135 && !cmdmod.keepalt)
7136 old_curwin->w_alt_fnum = curbuf->b_fnum;
7137 }
7138 }
7139 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7140 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7141 {
7142 # ifdef FEAT_SCROLLBIND
7143 /* Reset 'scrollbind' when editing another file, but keep it when
7144 * doing ":split" without arguments. */
7145 if (*eap->arg != NUL
7146 # ifdef FEAT_BROWSE
7147 || cmdmod.browse
7148 # endif
7149 )
7150 curwin->w_p_scb = FALSE;
7151 else
7152 do_check_scrollbind(FALSE);
7153 # endif
7154 do_exedit(eap, old_curwin);
7155 }
7156
7157 # ifdef FEAT_BROWSE
7158 cmdmod.browse = browse_flag;
7159 # endif
7160
7161 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7162 theend:
7163 vim_free(fname);
7164 # endif
7165 }
7166
7167 #if defined(FEAT_MOUSE) || defined(PROTO)
7168 /*
7169 * Open a new tab page.
7170 */
7171 void
7172 tabpage_new()
7173 {
7174 exarg_T ea;
7175
7176 vim_memset(&ea, 0, sizeof(ea));
7177 ea.cmdidx = CMD_tabnew;
7178 ea.cmd = (char_u *)"tabn";
7179 ea.arg = (char_u *)"";
7180 ex_splitview(&ea);
7181 }
7182 #endif
7183
7184 /*
7185 * :tabnext command
7186 */
7187 static void
7188 ex_tabnext(eap)
7189 exarg_T *eap;
7190 {
7191 switch (eap->cmdidx)
7192 {
7193 case CMD_tabfirst:
7194 case CMD_tabrewind:
7195 goto_tabpage(1);
7196 break;
7197 case CMD_tablast:
7198 goto_tabpage(9999);
7199 break;
7200 case CMD_tabprevious:
7201 case CMD_tabNext:
7202 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7203 break;
7204 default: /* CMD_tabnext */
7205 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7206 break;
7207 }
7208 }
7209
7210 /*
7211 * :tabmove command
7212 */
7213 static void
7214 ex_tabmove(eap)
7215 exarg_T *eap;
7216 {
7217 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7218 }
7219
7220 /*
7221 * :tabs command: List tabs and their contents.
7222 */
7223 /*ARGSUSED*/
7224 static void
7225 ex_tabs(eap)
7226 exarg_T *eap;
7227 {
7228 tabpage_T *tp;
7229 win_T *wp;
7230 int tabcount = 1;
7231
7232 msg_start();
7233 msg_scroll = TRUE;
7234 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7235 {
7236 msg_putchar('\n');
7237 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7238 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7239 out_flush(); /* output one line at a time */
7240 ui_breakcheck();
7241
7242 if (tp == curtab)
7243 wp = firstwin;
7244 else
7245 wp = tp->tp_firstwin;
7246 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7247 {
7248 msg_putchar('\n');
7249 msg_putchar(wp == curwin ? '>' : ' ');
7250 msg_putchar(' ');
7251 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7252 msg_putchar(' ');
7253 if (buf_spname(wp->w_buffer) != NULL)
7254 STRCPY(IObuff, buf_spname(wp->w_buffer));
7255 else
7256 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7257 IObuff, IOSIZE, TRUE);
7258 msg_outtrans(IObuff);
7259 out_flush(); /* output one line at a time */
7260 ui_breakcheck();
7261 }
7262 }
7263 }
7264
7265 #endif /* FEAT_WINDOWS */
7266
7267 /*
7268 * ":mode": Set screen mode.
7269 * If no argument given, just get the screen size and redraw.
7270 */
7271 static void
7272 ex_mode(eap)
7273 exarg_T *eap;
7274 {
7275 if (*eap->arg == NUL)
7276 shell_resized();
7277 else
7278 mch_screenmode(eap->arg);
7279 }
7280
7281 #ifdef FEAT_WINDOWS
7282 /*
7283 * ":resize".
7284 * set, increment or decrement current window height
7285 */
7286 static void
7287 ex_resize(eap)
7288 exarg_T *eap;
7289 {
7290 int n;
7291 win_T *wp = curwin;
7292
7293 if (eap->addr_count > 0)
7294 {
7295 n = eap->line2;
7296 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7297 ;
7298 }
7299
7300 #ifdef FEAT_GUI
7301 need_mouse_correct = TRUE;
7302 #endif
7303 n = atol((char *)eap->arg);
7304 #ifdef FEAT_VERTSPLIT
7305 if (cmdmod.split & WSP_VERT)
7306 {
7307 if (*eap->arg == '-' || *eap->arg == '+')
7308 n += W_WIDTH(curwin);
7309 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7310 n = 9999;
7311 win_setwidth_win((int)n, wp);
7312 }
7313 else
7314 #endif
7315 {
7316 if (*eap->arg == '-' || *eap->arg == '+')
7317 n += curwin->w_height;
7318 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7319 n = 9999;
7320 win_setheight_win((int)n, wp);
7321 }
7322 }
7323 #endif
7324
7325 /*
7326 * ":find [+command] <file>" command.
7327 */
7328 static void
7329 ex_find(eap)
7330 exarg_T *eap;
7331 {
7332 #ifdef FEAT_SEARCHPATH
7333 char_u *fname;
7334 int count;
7335
7336 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7337 TRUE, curbuf->b_ffname);
7338 if (eap->addr_count > 0)
7339 {
7340 /* Repeat finding the file "count" times. This matters when it
7341 * appears several times in the path. */
7342 count = eap->line2;
7343 while (fname != NULL && --count > 0)
7344 {
7345 vim_free(fname);
7346 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7347 FALSE, curbuf->b_ffname);
7348 }
7349 }
7350
7351 if (fname != NULL)
7352 {
7353 eap->arg = fname;
7354 #endif
7355 do_exedit(eap, NULL);
7356 #ifdef FEAT_SEARCHPATH
7357 vim_free(fname);
7358 }
7359 #endif
7360 }
7361
7362 /*
7363 * ":open" simulation: for now just work like ":visual".
7364 */
7365 static void
7366 ex_open(eap)
7367 exarg_T *eap;
7368 {
7369 regmatch_T regmatch;
7370 char_u *p;
7371
7372 curwin->w_cursor.lnum = eap->line2;
7373 beginline(BL_SOL | BL_FIX);
7374 if (*eap->arg == '/')
7375 {
7376 /* ":open /pattern/": put cursor in column found with pattern */
7377 ++eap->arg;
7378 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7379 *p = NUL;
7380 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7381 if (regmatch.regprog != NULL)
7382 {
7383 regmatch.rm_ic = p_ic;
7384 p = ml_get_curline();
7385 if (vim_regexec(&regmatch, p, (colnr_T)0))
7386 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7387 else
7388 EMSG(_(e_nomatch));
7389 vim_free(regmatch.regprog);
7390 }
7391 /* Move to the NUL, ignore any other arguments. */
7392 eap->arg += STRLEN(eap->arg);
7393 }
7394 check_cursor();
7395
7396 eap->cmdidx = CMD_visual;
7397 do_exedit(eap, NULL);
7398 }
7399
7400 /*
7401 * ":edit", ":badd", ":visual".
7402 */
7403 static void
7404 ex_edit(eap)
7405 exarg_T *eap;
7406 {
7407 do_exedit(eap, NULL);
7408 }
7409
7410 /*
7411 * ":edit <file>" command and alikes.
7412 */
7413 /*ARGSUSED*/
7414 void
7415 do_exedit(eap, old_curwin)
7416 exarg_T *eap;
7417 win_T *old_curwin; /* curwin before doing a split or NULL */
7418 {
7419 int n;
7420 #ifdef FEAT_WINDOWS
7421 int need_hide;
7422 #endif
7423 int exmode_was = exmode_active;
7424
7425 /*
7426 * ":vi" command ends Ex mode.
7427 */
7428 if (exmode_active && (eap->cmdidx == CMD_visual
7429 || eap->cmdidx == CMD_view))
7430 {
7431 exmode_active = FALSE;
7432 if (*eap->arg == NUL)
7433 {
7434 /* Special case: ":global/pat/visual\NLvi-commands" */
7435 if (global_busy)
7436 {
7437 int rd = RedrawingDisabled;
7438 int nwr = no_wait_return;
7439 int ms = msg_scroll;
7440 #ifdef FEAT_GUI
7441 int he = hold_gui_events;
7442 #endif
7443
7444 if (eap->nextcmd != NULL)
7445 {
7446 stuffReadbuff(eap->nextcmd);
7447 eap->nextcmd = NULL;
7448 }
7449
7450 if (exmode_was != EXMODE_VIM)
7451 settmode(TMODE_RAW);
7452 RedrawingDisabled = 0;
7453 no_wait_return = 0;
7454 need_wait_return = FALSE;
7455 msg_scroll = 0;
7456 #ifdef FEAT_GUI
7457 hold_gui_events = 0;
7458 #endif
7459 must_redraw = CLEAR;
7460
7461 main_loop(FALSE, TRUE);
7462
7463 RedrawingDisabled = rd;
7464 no_wait_return = nwr;
7465 msg_scroll = ms;
7466 #ifdef FEAT_GUI
7467 hold_gui_events = he;
7468 #endif
7469 }
7470 return;
7471 }
7472 }
7473
7474 if ((eap->cmdidx == CMD_new
7475 || eap->cmdidx == CMD_tabnew
7476 || eap->cmdidx == CMD_tabedit
7477 #ifdef FEAT_VERTSPLIT
7478 || eap->cmdidx == CMD_vnew
7479 #endif
7480 ) && *eap->arg == NUL)
7481 {
7482 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7483 setpcmark();
7484 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7485 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7486 }
7487 else if ((eap->cmdidx != CMD_split
7488 #ifdef FEAT_VERTSPLIT
7489 && eap->cmdidx != CMD_vsplit
7490 #endif
7491 )
7492 || *eap->arg != NUL
7493 #ifdef FEAT_BROWSE
7494 || cmdmod.browse
7495 #endif
7496 )
7497 {
7498 #ifdef FEAT_AUTOCMD
7499 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7500 * can bring us here, others are stopped earlier. */
7501 if (*eap->arg != NUL && curbuf_locked())
7502 return;
7503 #endif
7504 n = readonlymode;
7505 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7506 readonlymode = TRUE;
7507 else if (eap->cmdidx == CMD_enew)
7508 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7509 empty buffer */
7510 setpcmark();
7511 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7512 NULL, eap,
7513 /* ":edit" goes to first line if Vi compatible */
7514 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7515 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7516 ? ECMD_ONE : eap->do_ecmd_lnum,
7517 (P_HID(curbuf) ? ECMD_HIDE : 0)
7518 + (eap->forceit ? ECMD_FORCEIT : 0)
7519 #ifdef FEAT_LISTCMDS
7520 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7521 #endif
7522 ) == FAIL)
7523 {
7524 /* Editing the file failed. If the window was split, close it. */
7525 #ifdef FEAT_WINDOWS
7526 if (old_curwin != NULL)
7527 {
7528 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7529 if (!need_hide || P_HID(curbuf))
7530 {
7531 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7532 cleanup_T cs;
7533
7534 /* Reset the error/interrupt/exception state here so that
7535 * aborting() returns FALSE when closing a window. */
7536 enter_cleanup(&cs);
7537 # endif
7538 # ifdef FEAT_GUI
7539 need_mouse_correct = TRUE;
7540 # endif
7541 win_close(curwin, !need_hide && !P_HID(curbuf));
7542
7543 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7544 /* Restore the error/interrupt/exception state if not
7545 * discarded by a new aborting error, interrupt, or
7546 * uncaught exception. */
7547 leave_cleanup(&cs);
7548 # endif
7549 }
7550 }
7551 #endif
7552 }
7553 else if (readonlymode && curbuf->b_nwindows == 1)
7554 {
7555 /* When editing an already visited buffer, 'readonly' won't be set
7556 * but the previous value is kept. With ":view" and ":sview" we
7557 * want the file to be readonly, except when another window is
7558 * editing the same buffer. */
7559 curbuf->b_p_ro = TRUE;
7560 }
7561 readonlymode = n;
7562 }
7563 else
7564 {
7565 if (eap->do_ecmd_cmd != NULL)
7566 do_cmdline_cmd(eap->do_ecmd_cmd);
7567 #ifdef FEAT_TITLE
7568 n = curwin->w_arg_idx_invalid;
7569 #endif
7570 check_arg_idx(curwin);
7571 #ifdef FEAT_TITLE
7572 if (n != curwin->w_arg_idx_invalid)
7573 maketitle();
7574 #endif
7575 }
7576
7577 #ifdef FEAT_WINDOWS
7578 /*
7579 * if ":split file" worked, set alternate file name in old window to new
7580 * file
7581 */
7582 if (old_curwin != NULL
7583 && *eap->arg != NUL
7584 && curwin != old_curwin
7585 && win_valid(old_curwin)
7586 && old_curwin->w_buffer != curbuf
7587 && !cmdmod.keepalt)
7588 old_curwin->w_alt_fnum = curbuf->b_fnum;
7589 #endif
7590
7591 ex_no_reprint = TRUE;
7592 }
7593
7594 #ifndef FEAT_GUI
7595 /*
7596 * ":gui" and ":gvim" when there is no GUI.
7597 */
7598 static void
7599 ex_nogui(eap)
7600 exarg_T *eap;
7601 {
7602 eap->errmsg = e_nogvim;
7603 }
7604 #endif
7605
7606 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7607 static void
7608 ex_tearoff(eap)
7609 exarg_T *eap;
7610 {
7611 gui_make_tearoff(eap->arg);
7612 }
7613 #endif
7614
7615 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7616 static void
7617 ex_popup(eap)
7618 exarg_T *eap;
7619 {
7620 gui_make_popup(eap->arg, eap->forceit);
7621 }
7622 #endif
7623
7624 /*ARGSUSED*/
7625 static void
7626 ex_swapname(eap)
7627 exarg_T *eap;
7628 {
7629 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7630 MSG(_("No swap file"));
7631 else
7632 msg(curbuf->b_ml.ml_mfp->mf_fname);
7633 }
7634
7635 /*
7636 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7637 * offset.
7638 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7639 */
7640 /*ARGSUSED*/
7641 static void
7642 ex_syncbind(eap)
7643 exarg_T *eap;
7644 {
7645 #ifdef FEAT_SCROLLBIND
7646 win_T *wp;
7647 long topline;
7648 long y;
7649 linenr_T old_linenr = curwin->w_cursor.lnum;
7650
7651 setpcmark();
7652
7653 /*
7654 * determine max topline
7655 */
7656 if (curwin->w_p_scb)
7657 {
7658 topline = curwin->w_topline;
7659 for (wp = firstwin; wp; wp = wp->w_next)
7660 {
7661 if (wp->w_p_scb && wp->w_buffer)
7662 {
7663 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7664 if (topline > y)
7665 topline = y;
7666 }
7667 }
7668 if (topline < 1)
7669 topline = 1;
7670 }
7671 else
7672 {
7673 topline = 1;
7674 }
7675
7676
7677 /*
7678 * set all scrollbind windows to the same topline
7679 */
7680 wp = curwin;
7681 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7682 {
7683 if (curwin->w_p_scb)
7684 {
7685 y = topline - curwin->w_topline;
7686 if (y > 0)
7687 scrollup(y, TRUE);
7688 else
7689 scrolldown(-y, TRUE);
7690 curwin->w_scbind_pos = topline;
7691 redraw_later(VALID);
7692 cursor_correct();
7693 #ifdef FEAT_WINDOWS
7694 curwin->w_redr_status = TRUE;
7695 #endif
7696 }
7697 }
7698 curwin = wp;
7699 if (curwin->w_p_scb)
7700 {
7701 did_syncbind = TRUE;
7702 checkpcmark();
7703 if (old_linenr != curwin->w_cursor.lnum)
7704 {
7705 char_u ctrl_o[2];
7706
7707 ctrl_o[0] = Ctrl_O;
7708 ctrl_o[1] = 0;
7709 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7710 }
7711 }
7712 #endif
7713 }
7714
7715
7716 static void
7717 ex_read(eap)
7718 exarg_T *eap;
7719 {
7720 int i;
7721 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7722 linenr_T lnum;
7723
7724 if (eap->usefilter) /* :r!cmd */
7725 do_bang(1, eap, FALSE, FALSE, TRUE);
7726 else
7727 {
7728 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7729 return;
7730
7731 #ifdef FEAT_BROWSE
7732 if (cmdmod.browse)
7733 {
7734 char_u *browseFile;
7735
7736 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7737 NULL, NULL, NULL, curbuf);
7738 if (browseFile != NULL)
7739 {
7740 i = readfile(browseFile, NULL,
7741 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7742 vim_free(browseFile);
7743 }
7744 else
7745 i = OK;
7746 }
7747 else
7748 #endif
7749 if (*eap->arg == NUL)
7750 {
7751 if (check_fname() == FAIL) /* check for no file name */
7752 return;
7753 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7754 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7755 }
7756 else
7757 {
7758 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7759 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7760 i = readfile(eap->arg, NULL,
7761 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7762
7763 }
7764 if (i == FAIL)
7765 {
7766 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7767 if (!aborting())
7768 #endif
7769 EMSG2(_(e_notopen), eap->arg);
7770 }
7771 else
7772 {
7773 if (empty && exmode_active)
7774 {
7775 /* Delete the empty line that remains. Historically ex does
7776 * this but vi doesn't. */
7777 if (eap->line2 == 0)
7778 lnum = curbuf->b_ml.ml_line_count;
7779 else
7780 lnum = 1;
7781 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7782 {
7783 ml_delete(lnum, FALSE);
7784 deleted_lines_mark(lnum, 1L);
7785 if (curwin->w_cursor.lnum > 1
7786 && curwin->w_cursor.lnum >= lnum)
7787 --curwin->w_cursor.lnum;
7788 }
7789 }
7790 redraw_curbuf_later(VALID);
7791 }
7792 }
7793 }
7794
7795 static char_u *prev_dir = NULL;
7796
7797 #if defined(EXITFREE) || defined(PROTO)
7798 void
7799 free_cd_dir()
7800 {
7801 vim_free(prev_dir);
7802 prev_dir = NULL;
7803 }
7804 #endif
7805
7806
7807 /*
7808 * ":cd", ":lcd", ":chdir" and ":lchdir".
7809 */
7810 void
7811 ex_cd(eap)
7812 exarg_T *eap;
7813 {
7814 char_u *new_dir;
7815 char_u *tofree;
7816
7817 new_dir = eap->arg;
7818 #if !defined(UNIX) && !defined(VMS)
7819 /* for non-UNIX ":cd" means: print current directory */
7820 if (*new_dir == NUL)
7821 ex_pwd(NULL);
7822 else
7823 #endif
7824 {
7825 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7826 && !eap->forceit)
7827 {
7828 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7829 return;
7830 }
7831
7832 /* ":cd -": Change to previous directory */
7833 if (STRCMP(new_dir, "-") == 0)
7834 {
7835 if (prev_dir == NULL)
7836 {
7837 EMSG(_("E186: No previous directory"));
7838 return;
7839 }
7840 new_dir = prev_dir;
7841 }
7842
7843 /* Save current directory for next ":cd -" */
7844 tofree = prev_dir;
7845 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7846 prev_dir = vim_strsave(NameBuff);
7847 else
7848 prev_dir = NULL;
7849
7850 #if defined(UNIX) || defined(VMS)
7851 /* for UNIX ":cd" means: go to home directory */
7852 if (*new_dir == NUL)
7853 {
7854 /* use NameBuff for home directory name */
7855 # ifdef VMS
7856 char_u *p;
7857
7858 p = mch_getenv((char_u *)"SYS$LOGIN");
7859 if (p == NULL || *p == NUL) /* empty is the same as not set */
7860 NameBuff[0] = NUL;
7861 else
7862 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7863 # else
7864 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7865 # endif
7866 new_dir = NameBuff;
7867 }
7868 #endif
7869 if (new_dir == NULL || vim_chdir(new_dir))
7870 EMSG(_(e_failed));
7871 else
7872 {
7873 vim_free(curwin->w_localdir);
7874 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7875 {
7876 /* If still in global directory, need to remember current
7877 * directory as global directory. */
7878 if (globaldir == NULL && prev_dir != NULL)
7879 globaldir = vim_strsave(prev_dir);
7880 /* Remember this local directory for the window. */
7881 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7882 curwin->w_localdir = vim_strsave(NameBuff);
7883 }
7884 else
7885 {
7886 /* We are now in the global directory, no need to remember its
7887 * name. */
7888 vim_free(globaldir);
7889 globaldir = NULL;
7890 curwin->w_localdir = NULL;
7891 }
7892
7893 shorten_fnames(TRUE);
7894
7895 /* Echo the new current directory if the command was typed. */
7896 if (KeyTyped)
7897 ex_pwd(eap);
7898 }
7899 vim_free(tofree);
7900 }
7901 }
7902
7903 /*
7904 * ":pwd".
7905 */
7906 /*ARGSUSED*/
7907 static void
7908 ex_pwd(eap)
7909 exarg_T *eap;
7910 {
7911 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7912 {
7913 #ifdef BACKSLASH_IN_FILENAME
7914 slash_adjust(NameBuff);
7915 #endif
7916 msg(NameBuff);
7917 }
7918 else
7919 EMSG(_("E187: Unknown"));
7920 }
7921
7922 /*
7923 * ":=".
7924 */
7925 static void
7926 ex_equal(eap)
7927 exarg_T *eap;
7928 {
7929 smsg((char_u *)"%ld", (long)eap->line2);
7930 ex_may_print(eap);
7931 }
7932
7933 static void
7934 ex_sleep(eap)
7935 exarg_T *eap;
7936 {
7937 int n;
7938 long len;
7939
7940 if (cursor_valid())
7941 {
7942 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7943 if (n >= 0)
7944 windgoto((int)n, curwin->w_wcol);
7945 }
7946
7947 len = eap->line2;
7948 switch (*eap->arg)
7949 {
7950 case 'm': break;
7951 case NUL: len *= 1000L; break;
7952 default: EMSG2(_(e_invarg2), eap->arg); return;
7953 }
7954 do_sleep(len);
7955 }
7956
7957 /*
7958 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7959 */
7960 void
7961 do_sleep(msec)
7962 long msec;
7963 {
7964 long done;
7965
7966 cursor_on();
7967 out_flush();
7968 for (done = 0; !got_int && done < msec; done += 1000L)
7969 {
7970 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7971 ui_breakcheck();
7972 }
7973 }
7974
7975 static void
7976 do_exmap(eap, isabbrev)
7977 exarg_T *eap;
7978 int isabbrev;
7979 {
7980 int mode;
7981 char_u *cmdp;
7982
7983 cmdp = eap->cmd;
7984 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
7985
7986 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
7987 eap->arg, mode, isabbrev))
7988 {
7989 case 1: EMSG(_(e_invarg));
7990 break;
7991 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
7992 break;
7993 }
7994 }
7995
7996 /*
7997 * ":winsize" command (obsolete).
7998 */
7999 static void
8000 ex_winsize(eap)
8001 exarg_T *eap;
8002 {
8003 int w, h;
8004 char_u *arg = eap->arg;
8005 char_u *p;
8006
8007 w = getdigits(&arg);
8008 arg = skipwhite(arg);
8009 p = arg;
8010 h = getdigits(&arg);
8011 if (*p != NUL && *arg == NUL)
8012 set_shellsize(w, h, TRUE);
8013 else
8014 EMSG(_("E465: :winsize requires two number arguments"));
8015 }
8016
8017 #ifdef FEAT_WINDOWS
8018 static void
8019 ex_wincmd(eap)
8020 exarg_T *eap;
8021 {
8022 int xchar = NUL;
8023 char_u *p;
8024
8025 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8026 {
8027 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8028 if (eap->arg[1] == NUL)
8029 {
8030 EMSG(_(e_invarg));
8031 return;
8032 }
8033 xchar = eap->arg[1];
8034 p = eap->arg + 2;
8035 }
8036 else
8037 p = eap->arg + 1;
8038
8039 eap->nextcmd = check_nextcmd(p);
8040 p = skipwhite(p);
8041 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8042 EMSG(_(e_invarg));
8043 else
8044 {
8045 /* Pass flags on for ":vertical wincmd ]". */
8046 postponed_split_flags = cmdmod.split;
8047 postponed_split_tab = cmdmod.tab;
8048 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8049 postponed_split_flags = 0;
8050 postponed_split_tab = 0;
8051 }
8052 }
8053 #endif
8054
8055 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8056 /*
8057 * ":winpos".
8058 */
8059 static void
8060 ex_winpos(eap)
8061 exarg_T *eap;
8062 {
8063 int x, y;
8064 char_u *arg = eap->arg;
8065 char_u *p;
8066
8067 if (*arg == NUL)
8068 {
8069 # if defined(FEAT_GUI) || defined(MSWIN)
8070 # ifdef FEAT_GUI
8071 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8072 # else
8073 if (mch_get_winpos(&x, &y) != FAIL)
8074 # endif
8075 {
8076 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8077 msg(IObuff);
8078 }
8079 else
8080 # endif
8081 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8082 }
8083 else
8084 {
8085 x = getdigits(&arg);
8086 arg = skipwhite(arg);
8087 p = arg;
8088 y = getdigits(&arg);
8089 if (*p == NUL || *arg != NUL)
8090 {
8091 EMSG(_("E466: :winpos requires two number arguments"));
8092 return;
8093 }
8094 # ifdef FEAT_GUI
8095 if (gui.in_use)
8096 gui_mch_set_winpos(x, y);
8097 else if (gui.starting)
8098 {
8099 /* Remember the coordinates for when the window is opened. */
8100 gui_win_x = x;
8101 gui_win_y = y;
8102 }
8103 # ifdef HAVE_TGETENT
8104 else
8105 # endif
8106 # else
8107 # ifdef MSWIN
8108 mch_set_winpos(x, y);
8109 # endif
8110 # endif
8111 # ifdef HAVE_TGETENT
8112 if (*T_CWP)
8113 term_set_winpos(x, y);
8114 # endif
8115 }
8116 }
8117 #endif
8118
8119 /*
8120 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8121 */
8122 static void
8123 ex_operators(eap)
8124 exarg_T *eap;
8125 {
8126 oparg_T oa;
8127
8128 clear_oparg(&oa);
8129 oa.regname = eap->regname;
8130 oa.start.lnum = eap->line1;
8131 oa.end.lnum = eap->line2;
8132 oa.line_count = eap->line2 - eap->line1 + 1;
8133 oa.motion_type = MLINE;
8134 #ifdef FEAT_VIRTUALEDIT
8135 virtual_op = FALSE;
8136 #endif
8137 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8138 {
8139 setpcmark();
8140 curwin->w_cursor.lnum = eap->line1;
8141 beginline(BL_SOL | BL_FIX);
8142 }
8143
8144 switch (eap->cmdidx)
8145 {
8146 case CMD_delete:
8147 oa.op_type = OP_DELETE;
8148 op_delete(&oa);
8149 break;
8150
8151 case CMD_yank:
8152 oa.op_type = OP_YANK;
8153 (void)op_yank(&oa, FALSE, TRUE);
8154 break;
8155
8156 default: /* CMD_rshift or CMD_lshift */
8157 if ((eap->cmdidx == CMD_rshift)
8158 #ifdef FEAT_RIGHTLEFT
8159 ^ curwin->w_p_rl
8160 #endif
8161 )
8162 oa.op_type = OP_RSHIFT;
8163 else
8164 oa.op_type = OP_LSHIFT;
8165 op_shift(&oa, FALSE, eap->amount);
8166 break;
8167 }
8168 #ifdef FEAT_VIRTUALEDIT
8169 virtual_op = MAYBE;
8170 #endif
8171 ex_may_print(eap);
8172 }
8173
8174 /*
8175 * ":put".
8176 */
8177 static void
8178 ex_put(eap)
8179 exarg_T *eap;
8180 {
8181 /* ":0put" works like ":1put!". */
8182 if (eap->line2 == 0)
8183 {
8184 eap->line2 = 1;
8185 eap->forceit = TRUE;
8186 }
8187 curwin->w_cursor.lnum = eap->line2;
8188 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8189 PUT_LINE|PUT_CURSLINE);
8190 }
8191
8192 /*
8193 * Handle ":copy" and ":move".
8194 */
8195 static void
8196 ex_copymove(eap)
8197 exarg_T *eap;
8198 {
8199 long n;
8200
8201 n = get_address(&eap->arg, FALSE, FALSE);
8202 if (eap->arg == NULL) /* error detected */
8203 {
8204 eap->nextcmd = NULL;
8205 return;
8206 }
8207 get_flags(eap);
8208
8209 /*
8210 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8211 */
8212 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8213 {
8214 EMSG(_(e_invaddr));
8215 return;
8216 }
8217
8218 if (eap->cmdidx == CMD_move)
8219 {
8220 if (do_move(eap->line1, eap->line2, n) == FAIL)
8221 return;
8222 }
8223 else
8224 ex_copy(eap->line1, eap->line2, n);
8225 u_clearline();
8226 beginline(BL_SOL | BL_FIX);
8227 ex_may_print(eap);
8228 }
8229
8230 /*
8231 * Print the current line if flags were given to the Ex command.
8232 */
8233 static void
8234 ex_may_print(eap)
8235 exarg_T *eap;
8236 {
8237 if (eap->flags != 0)
8238 {
8239 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8240 (eap->flags & EXFLAG_LIST));
8241 ex_no_reprint = TRUE;
8242 }
8243 }
8244
8245 /*
8246 * ":smagic" and ":snomagic".
8247 */
8248 static void
8249 ex_submagic(eap)
8250 exarg_T *eap;
8251 {
8252 int magic_save = p_magic;
8253
8254 p_magic = (eap->cmdidx == CMD_smagic);
8255 do_sub(eap);
8256 p_magic = magic_save;
8257 }
8258
8259 /*
8260 * ":join".
8261 */
8262 static void
8263 ex_join(eap)
8264 exarg_T *eap;
8265 {
8266 curwin->w_cursor.lnum = eap->line1;
8267 if (eap->line1 == eap->line2)
8268 {
8269 if (eap->addr_count >= 2) /* :2,2join does nothing */
8270 return;
8271 if (eap->line2 == curbuf->b_ml.ml_line_count)
8272 {
8273 beep_flush();
8274 return;
8275 }
8276 ++eap->line2;
8277 }
8278 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8279 beginline(BL_WHITE | BL_FIX);
8280 ex_may_print(eap);
8281 }
8282
8283 /*
8284 * ":[addr]@r" or ":[addr]*r": execute register
8285 */
8286 static void
8287 ex_at(eap)
8288 exarg_T *eap;
8289 {
8290 int c;
8291
8292 curwin->w_cursor.lnum = eap->line2;
8293
8294 #ifdef USE_ON_FLY_SCROLL
8295 dont_scroll = TRUE; /* disallow scrolling here */
8296 #endif
8297
8298 /* get the register name. No name means to use the previous one */
8299 c = *eap->arg;
8300 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8301 c = '@';
8302 /* Put the register in the typeahead buffer with the "silent" flag. */
8303 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8304 == FAIL)
8305 {
8306 beep_flush();
8307 }
8308 else
8309 {
8310 int save_efr = exec_from_reg;
8311
8312 exec_from_reg = TRUE;
8313
8314 /*
8315 * Execute from the typeahead buffer.
8316 * Originally this didn't check for the typeahead buffer to be empty,
8317 * thus could read more Ex commands from stdin. It's not clear why,
8318 * it is certainly unexpected.
8319 */
8320 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8321 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8322
8323 exec_from_reg = save_efr;
8324 }
8325 }
8326
8327 /*
8328 * ":!".
8329 */
8330 static void
8331 ex_bang(eap)
8332 exarg_T *eap;
8333 {
8334 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8335 }
8336
8337 /*
8338 * ":undo".
8339 */
8340 /*ARGSUSED*/
8341 static void
8342 ex_undo(eap)
8343 exarg_T *eap;
8344 {
8345 if (eap->addr_count == 1) /* :undo 123 */
8346 undo_time(eap->line2, FALSE, TRUE);
8347 else
8348 u_undo(1);
8349 }
8350
8351 /*
8352 * ":redo".
8353 */
8354 /*ARGSUSED*/
8355 static void
8356 ex_redo(eap)
8357 exarg_T *eap;
8358 {
8359 u_redo(1);
8360 }
8361
8362 /*
8363 * ":earlier" and ":later".
8364 */
8365 /*ARGSUSED*/
8366 static void
8367 ex_later(eap)
8368 exarg_T *eap;
8369 {
8370 long count = 0;
8371 int sec = FALSE;
8372 char_u *p = eap->arg;
8373
8374 if (*p == NUL)
8375 count = 1;
8376 else if (isdigit(*p))
8377 {
8378 count = getdigits(&p);
8379 switch (*p)
8380 {
8381 case 's': ++p; sec = TRUE; break;
8382 case 'm': ++p; sec = TRUE; count *= 60; break;
8383 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8384 }
8385 }
8386
8387 if (*p != NUL)
8388 EMSG2(_(e_invarg2), eap->arg);
8389 else
8390 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8391 }
8392
8393 /*
8394 * ":redir": start/stop redirection.
8395 */
8396 static void
8397 ex_redir(eap)
8398 exarg_T *eap;
8399 {
8400 char *mode;
8401 char_u *fname;
8402 char_u *arg = eap->arg;
8403
8404 if (STRICMP(eap->arg, "END") == 0)
8405 close_redir();
8406 else
8407 {
8408 if (*arg == '>')
8409 {
8410 ++arg;
8411 if (*arg == '>')
8412 {
8413 ++arg;
8414 mode = "a";
8415 }
8416 else
8417 mode = "w";
8418 arg = skipwhite(arg);
8419
8420 close_redir();
8421
8422 /* Expand environment variables and "~/". */
8423 fname = expand_env_save(arg);
8424 if (fname == NULL)
8425 return;
8426 #ifdef FEAT_BROWSE
8427 if (cmdmod.browse)
8428 {
8429 char_u *browseFile;
8430
8431 browseFile = do_browse(BROWSE_SAVE,
8432 (char_u *)_("Save Redirection"),
8433 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8434 if (browseFile == NULL)
8435 return; /* operation cancelled */
8436 vim_free(fname);
8437 fname = browseFile;
8438 eap->forceit = TRUE; /* since dialog already asked */
8439 }
8440 #endif
8441
8442 redir_fd = open_exfile(fname, eap->forceit, mode);
8443 vim_free(fname);
8444 }
8445 #ifdef FEAT_EVAL
8446 else if (*arg == '@')
8447 {
8448 /* redirect to a register a-z (resp. A-Z for appending) */
8449 close_redir();
8450 ++arg;
8451 if (ASCII_ISALPHA(*arg)
8452 # ifdef FEAT_CLIPBOARD
8453 || *arg == '*'
8454 || *arg == '+'
8455 # endif
8456 || *arg == '"')
8457 {
8458 redir_reg = *arg++;
8459 if (*arg == '>' && arg[1] == '>') /* append */
8460 arg += 2;
8461 else
8462 {
8463 /* Can use both "@a" and "@a>". */
8464 if (*arg == '>')
8465 arg++;
8466 /* Make register empty when not using @A-@Z and the
8467 * command is valid. */
8468 if (*arg == NUL && !isupper(redir_reg))
8469 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8470 }
8471 }
8472 if (*arg != NUL)
8473 {
8474 redir_reg = 0;
8475 EMSG2(_(e_invarg2), eap->arg);
8476 }
8477 }
8478 else if (*arg == '=' && arg[1] == '>')
8479 {
8480 int append;
8481
8482 /* redirect to a variable */
8483 close_redir();
8484 arg += 2;
8485
8486 if (*arg == '>')
8487 {
8488 ++arg;
8489 append = TRUE;
8490 }
8491 else
8492 append = FALSE;
8493
8494 if (var_redir_start(skipwhite(arg), append) == OK)
8495 redir_vname = 1;
8496 }
8497 #endif
8498
8499 /* TODO: redirect to a buffer */
8500
8501 else
8502 EMSG2(_(e_invarg2), eap->arg);
8503 }
8504
8505 /* Make sure redirection is not off. Can happen for cmdline completion
8506 * that indirectly invokes a command to catch its output. */
8507 if (redir_fd != NULL
8508 #ifdef FEAT_EVAL
8509 || redir_reg || redir_vname
8510 #endif
8511 )
8512 redir_off = FALSE;
8513 }
8514
8515 /*
8516 * ":redraw": force redraw
8517 */
8518 static void
8519 ex_redraw(eap)
8520 exarg_T *eap;
8521 {
8522 int r = RedrawingDisabled;
8523 int p = p_lz;
8524
8525 RedrawingDisabled = 0;
8526 p_lz = FALSE;
8527 update_topline();
8528 update_screen(eap->forceit ? CLEAR :
8529 #ifdef FEAT_VISUAL
8530 VIsual_active ? INVERTED :
8531 #endif
8532 0);
8533 #ifdef FEAT_TITLE
8534 if (need_maketitle)
8535 maketitle();
8536 #endif
8537 RedrawingDisabled = r;
8538 p_lz = p;
8539
8540 /* Reset msg_didout, so that a message that's there is overwritten. */
8541 msg_didout = FALSE;
8542 msg_col = 0;
8543
8544 out_flush();
8545 }
8546
8547 /*
8548 * ":redrawstatus": force redraw of status line(s)
8549 */
8550 /*ARGSUSED*/
8551 static void
8552 ex_redrawstatus(eap)
8553 exarg_T *eap;
8554 {
8555 #if defined(FEAT_WINDOWS)
8556 int r = RedrawingDisabled;
8557 int p = p_lz;
8558
8559 RedrawingDisabled = 0;
8560 p_lz = FALSE;
8561 if (eap->forceit)
8562 status_redraw_all();
8563 else
8564 status_redraw_curbuf();
8565 update_screen(
8566 # ifdef FEAT_VISUAL
8567 VIsual_active ? INVERTED :
8568 # endif
8569 0);
8570 RedrawingDisabled = r;
8571 p_lz = p;
8572 out_flush();
8573 #endif
8574 }
8575
8576 static void
8577 close_redir()
8578 {
8579 if (redir_fd != NULL)
8580 {
8581 fclose(redir_fd);
8582 redir_fd = NULL;
8583 }
8584 #ifdef FEAT_EVAL
8585 redir_reg = 0;
8586 if (redir_vname)
8587 {
8588 var_redir_stop();
8589 redir_vname = 0;
8590 }
8591 #endif
8592 }
8593
8594 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8595 # define MKSESSION_NL
8596 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8597 #endif
8598
8599 /*
8600 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8601 */
8602 static void
8603 ex_mkrc(eap)
8604 exarg_T *eap;
8605 {
8606 FILE *fd;
8607 int failed = FALSE;
8608 char_u *fname;
8609 #ifdef FEAT_BROWSE
8610 char_u *browseFile = NULL;
8611 #endif
8612 #ifdef FEAT_SESSION
8613 int view_session = FALSE;
8614 int using_vdir = FALSE; /* using 'viewdir'? */
8615 char_u *viewFile = NULL;
8616 unsigned *flagp;
8617 #endif
8618
8619 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8620 {
8621 #ifdef FEAT_SESSION
8622 view_session = TRUE;
8623 #else
8624 ex_ni(eap);
8625 return;
8626 #endif
8627 }
8628
8629 #ifdef FEAT_SESSION
8630 did_lcd = FALSE;
8631
8632 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8633 if (eap->cmdidx == CMD_mkview
8634 && (*eap->arg == NUL
8635 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8636 {
8637 eap->forceit = TRUE;
8638 fname = get_view_file(*eap->arg);
8639 if (fname == NULL)
8640 return;
8641 viewFile = fname;
8642 using_vdir = TRUE;
8643 }
8644 else
8645 #endif
8646 if (*eap->arg != NUL)
8647 fname = eap->arg;
8648 else if (eap->cmdidx == CMD_mkvimrc)
8649 fname = (char_u *)VIMRC_FILE;
8650 #ifdef FEAT_SESSION
8651 else if (eap->cmdidx == CMD_mksession)
8652 fname = (char_u *)SESSION_FILE;
8653 #endif
8654 else
8655 fname = (char_u *)EXRC_FILE;
8656
8657 #ifdef FEAT_BROWSE
8658 if (cmdmod.browse)
8659 {
8660 browseFile = do_browse(BROWSE_SAVE,
8661 # ifdef FEAT_SESSION
8662 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8663 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8664 # endif
8665 (char_u *)_("Save Setup"),
8666 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8667 if (browseFile == NULL)
8668 goto theend;
8669 fname = browseFile;
8670 eap->forceit = TRUE; /* since dialog already asked */
8671 }
8672 #endif
8673
8674 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8675 /* When using 'viewdir' may have to create the directory. */
8676 if (using_vdir && !mch_isdir(p_vdir))
8677 vim_mkdir_emsg(p_vdir, 0755);
8678 #endif
8679
8680 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8681 if (fd != NULL)
8682 {
8683 #ifdef FEAT_SESSION
8684 if (eap->cmdidx == CMD_mkview)
8685 flagp = &vop_flags;
8686 else
8687 flagp = &ssop_flags;
8688 #endif
8689
8690 #ifdef MKSESSION_NL
8691 /* "unix" in 'sessionoptions': use NL line separator */
8692 if (view_session && (*flagp & SSOP_UNIX))
8693 mksession_nl = TRUE;
8694 #endif
8695
8696 /* Write the version command for :mkvimrc */
8697 if (eap->cmdidx == CMD_mkvimrc)
8698 (void)put_line(fd, "version 6.0");
8699
8700 #ifdef FEAT_SESSION
8701 if (eap->cmdidx == CMD_mksession)
8702 {
8703 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8704 failed = TRUE;
8705 }
8706
8707 if (eap->cmdidx != CMD_mkview)
8708 #endif
8709 {
8710 /* Write setting 'compatible' first, because it has side effects.
8711 * For that same reason only do it when needed. */
8712 if (p_cp)
8713 (void)put_line(fd, "if !&cp | set cp | endif");
8714 else
8715 (void)put_line(fd, "if &cp | set nocp | endif");
8716 }
8717
8718 #ifdef FEAT_SESSION
8719 if (!view_session
8720 || (eap->cmdidx == CMD_mksession
8721 && (*flagp & SSOP_OPTIONS)))
8722 #endif
8723 failed |= (makemap(fd, NULL) == FAIL
8724 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8725
8726 #ifdef FEAT_SESSION
8727 if (!failed && view_session)
8728 {
8729 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8730 failed = TRUE;
8731 if (eap->cmdidx == CMD_mksession)
8732 {
8733 char_u dirnow[MAXPATHL]; /* current directory */
8734
8735 /*
8736 * Change to session file's dir.
8737 */
8738 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8739 || mch_chdir((char *)dirnow) != 0)
8740 *dirnow = NUL;
8741 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8742 {
8743 if (vim_chdirfile(fname) == OK)
8744 shorten_fnames(TRUE);
8745 }
8746 else if (*dirnow != NUL
8747 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8748 {
8749 (void)mch_chdir((char *)globaldir);
8750 shorten_fnames(TRUE);
8751 }
8752
8753 failed |= (makeopens(fd, dirnow) == FAIL);
8754
8755 /* restore original dir */
8756 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8757 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8758 {
8759 if (mch_chdir((char *)dirnow) != 0)
8760 EMSG(_(e_prev_dir));
8761 shorten_fnames(TRUE);
8762 }
8763 }
8764 else
8765 {
8766 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8767 -1) == FAIL);
8768 }
8769 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8770 == FAIL)
8771 failed = TRUE;
8772 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8773 failed = TRUE;
8774 if (eap->cmdidx == CMD_mksession)
8775 {
8776 if (put_line(fd, "unlet SessionLoad") == FAIL)
8777 failed = TRUE;
8778 }
8779 }
8780 #endif
8781 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8782 failed = TRUE;
8783
8784 failed |= fclose(fd);
8785
8786 if (failed)
8787 EMSG(_(e_write));
8788 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8789 else if (eap->cmdidx == CMD_mksession)
8790 {
8791 /* successful session write - set this_session var */
8792 char_u tbuf[MAXPATHL];
8793
8794 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8795 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8796 }
8797 #endif
8798 #ifdef MKSESSION_NL
8799 mksession_nl = FALSE;
8800 #endif
8801 }
8802
8803 #ifdef FEAT_BROWSE
8804 theend:
8805 vim_free(browseFile);
8806 #endif
8807 #ifdef FEAT_SESSION
8808 vim_free(viewFile);
8809 #endif
8810 }
8811
8812 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8813 || defined(PROTO)
8814 /*ARGSUSED*/
8815 int
8816 vim_mkdir_emsg(name, prot)
8817 char_u *name;
8818 int prot;
8819 {
8820 if (vim_mkdir(name, prot) != 0)
8821 {
8822 EMSG2(_("E739: Cannot create directory: %s"), name);
8823 return FAIL;
8824 }
8825 return OK;
8826 }
8827 #endif
8828
8829 /*
8830 * Open a file for writing for an Ex command, with some checks.
8831 * Return file descriptor, or NULL on failure.
8832 */
8833 FILE *
8834 open_exfile(fname, forceit, mode)
8835 char_u *fname;
8836 int forceit;
8837 char *mode; /* "w" for create new file or "a" for append */
8838 {
8839 FILE *fd;
8840
8841 #ifdef UNIX
8842 /* with Unix it is possible to open a directory */
8843 if (mch_isdir(fname))
8844 {
8845 EMSG2(_(e_isadir2), fname);
8846 return NULL;
8847 }
8848 #endif
8849 if (!forceit && *mode != 'a' && vim_fexists(fname))
8850 {
8851 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8852 return NULL;
8853 }
8854
8855 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8856 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8857
8858 return fd;
8859 }
8860
8861 /*
8862 * ":mark" and ":k".
8863 */
8864 static void
8865 ex_mark(eap)
8866 exarg_T *eap;
8867 {
8868 pos_T pos;
8869
8870 if (*eap->arg == NUL) /* No argument? */
8871 EMSG(_(e_argreq));
8872 else if (eap->arg[1] != NUL) /* more than one character? */
8873 EMSG(_(e_trailing));
8874 else
8875 {
8876 pos = curwin->w_cursor; /* save curwin->w_cursor */
8877 curwin->w_cursor.lnum = eap->line2;
8878 beginline(BL_WHITE | BL_FIX);
8879 if (setmark(*eap->arg) == FAIL) /* set mark */
8880 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8881 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8882 }
8883 }
8884
8885 /*
8886 * Update w_topline, w_leftcol and the cursor position.
8887 */
8888 void
8889 update_topline_cursor()
8890 {
8891 check_cursor(); /* put cursor on valid line */
8892 update_topline();
8893 if (!curwin->w_p_wrap)
8894 validate_cursor();
8895 update_curswant();
8896 }
8897
8898 #ifdef FEAT_EX_EXTRA
8899 /*
8900 * ":normal[!] {commands}": Execute normal mode commands.
8901 */
8902 static void
8903 ex_normal(eap)
8904 exarg_T *eap;
8905 {
8906 int save_msg_scroll = msg_scroll;
8907 int save_restart_edit = restart_edit;
8908 int save_msg_didout = msg_didout;
8909 int save_State = State;
8910 tasave_T tabuf;
8911 int save_insertmode = p_im;
8912 int save_finish_op = finish_op;
8913 #ifdef FEAT_MBYTE
8914 char_u *arg = NULL;
8915 int l;
8916 char_u *p;
8917 #endif
8918
8919 if (ex_normal_lock > 0)
8920 {
8921 EMSG(_(e_secure));
8922 return;
8923 }
8924 if (ex_normal_busy >= p_mmd)
8925 {
8926 EMSG(_("E192: Recursive use of :normal too deep"));
8927 return;
8928 }
8929 ++ex_normal_busy;
8930
8931 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8932 restart_edit = 0; /* don't go to Insert mode */
8933 p_im = FALSE; /* don't use 'insertmode' */
8934
8935 #ifdef FEAT_MBYTE
8936 /*
8937 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8938 * this for the K_SPECIAL leading byte, otherwise special keys will not
8939 * work.
8940 */
8941 if (has_mbyte)
8942 {
8943 int len = 0;
8944
8945 /* Count the number of characters to be escaped. */
8946 for (p = eap->arg; *p != NUL; ++p)
8947 {
8948 # ifdef FEAT_GUI
8949 if (*p == CSI) /* leadbyte CSI */
8950 len += 2;
8951 # endif
8952 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8953 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8954 # ifdef FEAT_GUI
8955 || *p == CSI
8956 # endif
8957 )
8958 len += 2;
8959 }
8960 if (len > 0)
8961 {
8962 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8963 if (arg != NULL)
8964 {
8965 len = 0;
8966 for (p = eap->arg; *p != NUL; ++p)
8967 {
8968 arg[len++] = *p;
8969 # ifdef FEAT_GUI
8970 if (*p == CSI)
8971 {
8972 arg[len++] = KS_EXTRA;
8973 arg[len++] = (int)KE_CSI;
8974 }
8975 # endif
8976 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8977 {
8978 arg[len++] = *++p;
8979 if (*p == K_SPECIAL)
8980 {
8981 arg[len++] = KS_SPECIAL;
8982 arg[len++] = KE_FILLER;
8983 }
8984 # ifdef FEAT_GUI
8985 else if (*p == CSI)
8986 {
8987 arg[len++] = KS_EXTRA;
8988 arg[len++] = (int)KE_CSI;
8989 }
8990 # endif
8991 }
8992 arg[len] = NUL;
8993 }
8994 }
8995 }
8996 }
8997 #endif
8998
8999 /*
9000 * Save the current typeahead. This is required to allow using ":normal"
9001 * from an event handler and makes sure we don't hang when the argument
9002 * ends with half a command.
9003 */
9004 save_typeahead(&tabuf);
9005 if (tabuf.typebuf_valid)
9006 {
9007 /*
9008 * Repeat the :normal command for each line in the range. When no
9009 * range given, execute it just once, without positioning the cursor
9010 * first.
9011 */
9012 do
9013 {
9014 if (eap->addr_count != 0)
9015 {
9016 curwin->w_cursor.lnum = eap->line1++;
9017 curwin->w_cursor.col = 0;
9018 }
9019
9020 exec_normal_cmd(
9021 #ifdef FEAT_MBYTE
9022 arg != NULL ? arg :
9023 #endif
9024 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9025 }
9026 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9027 }
9028
9029 /* Might not return to the main loop when in an event handler. */
9030 update_topline_cursor();
9031
9032 /* Restore the previous typeahead. */
9033 restore_typeahead(&tabuf);
9034
9035 --ex_normal_busy;
9036 msg_scroll = save_msg_scroll;
9037 restart_edit = save_restart_edit;
9038 p_im = save_insertmode;
9039 finish_op = save_finish_op;
9040 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9041
9042 /* Restore the state (needed when called from a function executed for
9043 * 'indentexpr'). */
9044 State = save_State;
9045 #ifdef FEAT_MBYTE
9046 vim_free(arg);
9047 #endif
9048 }
9049
9050 /*
9051 * ":startinsert", ":startreplace" and ":startgreplace"
9052 */
9053 static void
9054 ex_startinsert(eap)
9055 exarg_T *eap;
9056 {
9057 if (eap->forceit)
9058 {
9059 coladvance((colnr_T)MAXCOL);
9060 curwin->w_curswant = MAXCOL;
9061 curwin->w_set_curswant = FALSE;
9062 }
9063
9064 /* Ignore the command when already in Insert mode. Inserting an
9065 * expression register that invokes a function can do this. */
9066 if (State & INSERT)
9067 return;
9068
9069 if (eap->cmdidx == CMD_startinsert)
9070 restart_edit = 'a';
9071 else if (eap->cmdidx == CMD_startreplace)
9072 restart_edit = 'R';
9073 else
9074 restart_edit = 'V';
9075
9076 if (!eap->forceit)
9077 {
9078 if (eap->cmdidx == CMD_startinsert)
9079 restart_edit = 'i';
9080 curwin->w_curswant = 0; /* avoid MAXCOL */
9081 }
9082 }
9083
9084 /*
9085 * ":stopinsert"
9086 */
9087 /*ARGSUSED*/
9088 static void
9089 ex_stopinsert(eap)
9090 exarg_T *eap;
9091 {
9092 restart_edit = 0;
9093 stop_insert_mode = TRUE;
9094 }
9095 #endif
9096
9097 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9098 /*
9099 * Execute normal mode command "cmd".
9100 * "remap" can be REMAP_NONE or REMAP_YES.
9101 */
9102 void
9103 exec_normal_cmd(cmd, remap, silent)
9104 char_u *cmd;
9105 int remap;
9106 int silent;
9107 {
9108 oparg_T oa;
9109
9110 /*
9111 * Stuff the argument into the typeahead buffer.
9112 * Execute normal_cmd() until there is no typeahead left.
9113 */
9114 clear_oparg(&oa);
9115 finish_op = FALSE;
9116 ins_typebuf(cmd, remap, 0, TRUE, silent);
9117 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9118 && !got_int)
9119 {
9120 update_topline_cursor();
9121 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9122 }
9123 }
9124 #endif
9125
9126 #ifdef FEAT_FIND_ID
9127 static void
9128 ex_checkpath(eap)
9129 exarg_T *eap;
9130 {
9131 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9132 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9133 (linenr_T)1, (linenr_T)MAXLNUM);
9134 }
9135
9136 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9137 /*
9138 * ":psearch"
9139 */
9140 static void
9141 ex_psearch(eap)
9142 exarg_T *eap;
9143 {
9144 g_do_tagpreview = p_pvh;
9145 ex_findpat(eap);
9146 g_do_tagpreview = 0;
9147 }
9148 #endif
9149
9150 static void
9151 ex_findpat(eap)
9152 exarg_T *eap;
9153 {
9154 int whole = TRUE;
9155 long n;
9156 char_u *p;
9157 int action;
9158
9159 switch (cmdnames[eap->cmdidx].cmd_name[2])
9160 {
9161 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9162 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9163 action = ACTION_GOTO;
9164 else
9165 action = ACTION_SHOW;
9166 break;
9167 case 'i': /* ":ilist" and ":dlist" */
9168 action = ACTION_SHOW_ALL;
9169 break;
9170 case 'u': /* ":ijump" and ":djump" */
9171 action = ACTION_GOTO;
9172 break;
9173 default: /* ":isplit" and ":dsplit" */
9174 action = ACTION_SPLIT;
9175 break;
9176 }
9177
9178 n = 1;
9179 if (vim_isdigit(*eap->arg)) /* get count */
9180 {
9181 n = getdigits(&eap->arg);
9182 eap->arg = skipwhite(eap->arg);
9183 }
9184 if (*eap->arg == '/') /* Match regexp, not just whole words */
9185 {
9186 whole = FALSE;
9187 ++eap->arg;
9188 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9189 if (*p)
9190 {
9191 *p++ = NUL;
9192 p = skipwhite(p);
9193
9194 /* Check for trailing illegal characters */
9195 if (!ends_excmd(*p))
9196 eap->errmsg = e_trailing;
9197 else
9198 eap->nextcmd = check_nextcmd(p);
9199 }
9200 }
9201 if (!eap->skip)
9202 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9203 whole, !eap->forceit,
9204 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9205 n, action, eap->line1, eap->line2);
9206 }
9207 #endif
9208
9209 #ifdef FEAT_WINDOWS
9210
9211 # ifdef FEAT_QUICKFIX
9212 /*
9213 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9214 */
9215 static void
9216 ex_ptag(eap)
9217 exarg_T *eap;
9218 {
9219 g_do_tagpreview = p_pvh;
9220 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9221 }
9222
9223 /*
9224 * ":pedit"
9225 */
9226 static void
9227 ex_pedit(eap)
9228 exarg_T *eap;
9229 {
9230 win_T *curwin_save = curwin;
9231
9232 g_do_tagpreview = p_pvh;
9233 prepare_tagpreview(TRUE);
9234 keep_help_flag = curwin_save->w_buffer->b_help;
9235 do_exedit(eap, NULL);
9236 keep_help_flag = FALSE;
9237 if (curwin != curwin_save && win_valid(curwin_save))
9238 {
9239 /* Return cursor to where we were */
9240 validate_cursor();
9241 redraw_later(VALID);
9242 win_enter(curwin_save, TRUE);
9243 }
9244 g_do_tagpreview = 0;
9245 }
9246 # endif
9247
9248 /*
9249 * ":stag", ":stselect" and ":stjump".
9250 */
9251 static void
9252 ex_stag(eap)
9253 exarg_T *eap;
9254 {
9255 postponed_split = -1;
9256 postponed_split_flags = cmdmod.split;
9257 postponed_split_tab = cmdmod.tab;
9258 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9259 postponed_split_flags = 0;
9260 postponed_split_tab = 0;
9261 }
9262 #endif
9263
9264 /*
9265 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9266 */
9267 static void
9268 ex_tag(eap)
9269 exarg_T *eap;
9270 {
9271 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9272 }
9273
9274 static void
9275 ex_tag_cmd(eap, name)
9276 exarg_T *eap;
9277 char_u *name;
9278 {
9279 int cmd;
9280
9281 switch (name[1])
9282 {
9283 case 'j': cmd = DT_JUMP; /* ":tjump" */
9284 break;
9285 case 's': cmd = DT_SELECT; /* ":tselect" */
9286 break;
9287 case 'p': cmd = DT_PREV; /* ":tprevious" */
9288 break;
9289 case 'N': cmd = DT_PREV; /* ":tNext" */
9290 break;
9291 case 'n': cmd = DT_NEXT; /* ":tnext" */
9292 break;
9293 case 'o': cmd = DT_POP; /* ":pop" */
9294 break;
9295 case 'f': /* ":tfirst" */
9296 case 'r': cmd = DT_FIRST; /* ":trewind" */
9297 break;
9298 case 'l': cmd = DT_LAST; /* ":tlast" */
9299 break;
9300 default: /* ":tag" */
9301 #ifdef FEAT_CSCOPE
9302 if (p_cst)
9303 {
9304 do_cstag(eap);
9305 return;
9306 }
9307 #endif
9308 cmd = DT_TAG;
9309 break;
9310 }
9311
9312 if (name[0] == 'l')
9313 {
9314 #ifndef FEAT_QUICKFIX
9315 ex_ni(eap);
9316 return;
9317 #else
9318 cmd = DT_LTAG;
9319 #endif
9320 }
9321
9322 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9323 eap->forceit, TRUE);
9324 }
9325
9326 /*
9327 * Evaluate cmdline variables.
9328 *
9329 * change '%' to curbuf->b_ffname
9330 * '#' to curwin->w_altfile
9331 * '<cword>' to word under the cursor
9332 * '<cWORD>' to WORD under the cursor
9333 * '<cfile>' to path name under the cursor
9334 * '<sfile>' to sourced file name
9335 * '<afile>' to file name for autocommand
9336 * '<abuf>' to buffer number for autocommand
9337 * '<amatch>' to matching name for autocommand
9338 *
9339 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9340 * "" for error without a message) and NULL is returned.
9341 * Returns an allocated string if a valid match was found.
9342 * Returns NULL if no match was found. "usedlen" then still contains the
9343 * number of characters to skip.
9344 */
9345 char_u *
9346 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9347 char_u *src; /* pointer into commandline */
9348 char_u *srcstart; /* beginning of valid memory for src */
9349 int *usedlen; /* characters after src that are used */
9350 linenr_T *lnump; /* line number for :e command, or NULL */
9351 char_u **errormsg; /* pointer to error message */
9352 int *escaped; /* return value has escaped white space (can
9353 * be NULL) */
9354 {
9355 int i;
9356 char_u *s;
9357 char_u *result;
9358 char_u *resultbuf = NULL;
9359 int resultlen;
9360 buf_T *buf;
9361 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9362 int spec_idx;
9363 #ifdef FEAT_MODIFY_FNAME
9364 int skip_mod = FALSE;
9365 #endif
9366 static char *(spec_str[]) =
9367 {
9368 "%",
9369 #define SPEC_PERC 0
9370 "#",
9371 #define SPEC_HASH 1
9372 "<cword>", /* cursor word */
9373 #define SPEC_CWORD 2
9374 "<cWORD>", /* cursor WORD */
9375 #define SPEC_CCWORD 3
9376 "<cfile>", /* cursor path name */
9377 #define SPEC_CFILE 4
9378 "<sfile>", /* ":so" file name */
9379 #define SPEC_SFILE 5
9380 #ifdef FEAT_AUTOCMD
9381 "<afile>", /* autocommand file name */
9382 # define SPEC_AFILE 6
9383 "<abuf>", /* autocommand buffer number */
9384 # define SPEC_ABUF 7
9385 "<amatch>", /* autocommand match name */
9386 # define SPEC_AMATCH 8
9387 #endif
9388 #ifdef FEAT_CLIENTSERVER
9389 "<client>"
9390 # define SPEC_CLIENT 9
9391 #endif
9392 };
9393 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9394
9395 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9396 char_u strbuf[30];
9397 #endif
9398
9399 *errormsg = NULL;
9400 if (escaped != NULL)
9401 *escaped = FALSE;
9402
9403 /*
9404 * Check if there is something to do.
9405 */
9406 for (spec_idx = 0; spec_idx < SPEC_COUNT; ++spec_idx)
9407 {
9408 *usedlen = (int)STRLEN(spec_str[spec_idx]);
9409 if (STRNCMP(src, spec_str[spec_idx], *usedlen) == 0)
9410 break;
9411 }
9412 if (spec_idx == SPEC_COUNT) /* no match */
9413 {
9414 *usedlen = 1;
9415 return NULL;
9416 }
9417
9418 /*
9419 * Skip when preceded with a backslash "\%" and "\#".
9420 * Note: In "\\%" the % is also not recognized!
9421 */
9422 if (src > srcstart && src[-1] == '\\')
9423 {
9424 *usedlen = 0;
9425 mch_memmove(src - 1, src, STRLEN(src) + 1); /* remove backslash */
9426 return NULL;
9427 }
9428
9429 /*
9430 * word or WORD under cursor
9431 */
9432 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9433 {
9434 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9435 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9436 if (resultlen == 0)
9437 {
9438 *errormsg = (char_u *)"";
9439 return NULL;
9440 }
9441 }
9442
9443 /*
9444 * '#': Alternate file name
9445 * '%': Current file name
9446 * File name under the cursor
9447 * File name for autocommand
9448 * and following modifiers
9449 */
9450 else
9451 {
9452 switch (spec_idx)
9453 {
9454 case SPEC_PERC: /* '%': current file */
9455 if (curbuf->b_fname == NULL)
9456 {
9457 result = (char_u *)"";
9458 valid = 0; /* Must have ":p:h" to be valid */
9459 }
9460 else
9461 #ifdef RISCOS
9462 /* Always use the full path for RISC OS if possible. */
9463 result = curbuf->b_ffname;
9464 if (result == NULL)
9465 result = curbuf->b_fname;
9466 #else
9467 result = curbuf->b_fname;
9468 #endif
9469 break;
9470
9471 case SPEC_HASH: /* '#' or "#99": alternate file */
9472 if (src[1] == '#') /* "##": the argument list */
9473 {
9474 result = arg_all();
9475 resultbuf = result;
9476 *usedlen = 2;
9477 if (escaped != NULL)
9478 *escaped = TRUE;
9479 #ifdef FEAT_MODIFY_FNAME
9480 skip_mod = TRUE;
9481 #endif
9482 break;
9483 }
9484 s = src + 1;
9485 i = (int)getdigits(&s);
9486 *usedlen = (int)(s - src); /* length of what we expand */
9487
9488 buf = buflist_findnr(i);
9489 if (buf == NULL)
9490 {
9491 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9492 return NULL;
9493 }
9494 if (lnump != NULL)
9495 *lnump = ECMD_LAST;
9496 if (buf->b_fname == NULL)
9497 {
9498 result = (char_u *)"";
9499 valid = 0; /* Must have ":p:h" to be valid */
9500 }
9501 else
9502 result = buf->b_fname;
9503 break;
9504
9505 #ifdef FEAT_SEARCHPATH
9506 case SPEC_CFILE: /* file name under cursor */
9507 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9508 if (result == NULL)
9509 {
9510 *errormsg = (char_u *)"";
9511 return NULL;
9512 }
9513 resultbuf = result; /* remember allocated string */
9514 break;
9515 #endif
9516
9517 #ifdef FEAT_AUTOCMD
9518 case SPEC_AFILE: /* file name for autocommand */
9519 result = autocmd_fname;
9520 if (result == NULL)
9521 {
9522 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9523 return NULL;
9524 }
9525 result = shorten_fname1(result);
9526 break;
9527
9528 case SPEC_ABUF: /* buffer number for autocommand */
9529 if (autocmd_bufnr <= 0)
9530 {
9531 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9532 return NULL;
9533 }
9534 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9535 result = strbuf;
9536 break;
9537
9538 case SPEC_AMATCH: /* match name for autocommand */
9539 result = autocmd_match;
9540 if (result == NULL)
9541 {
9542 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9543 return NULL;
9544 }
9545 break;
9546
9547 #endif
9548 case SPEC_SFILE: /* file name for ":so" command */
9549 result = sourcing_name;
9550 if (result == NULL)
9551 {
9552 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9553 return NULL;
9554 }
9555 break;
9556 #if defined(FEAT_CLIENTSERVER)
9557 case SPEC_CLIENT: /* Source of last submitted input */
9558 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9559 (long_u)clientWindow);
9560 result = strbuf;
9561 break;
9562 #endif
9563 }
9564
9565 resultlen = (int)STRLEN(result); /* length of new string */
9566 if (src[*usedlen] == '<') /* remove the file name extension */
9567 {
9568 ++*usedlen;
9569 #ifdef RISCOS
9570 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9571 #else
9572 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9573 #endif
9574 resultlen = (int)(s - result);
9575 }
9576 #ifdef FEAT_MODIFY_FNAME
9577 else if (!skip_mod)
9578 {
9579 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9580 &resultlen);
9581 if (result == NULL)
9582 {
9583 *errormsg = (char_u *)"";
9584 return NULL;
9585 }
9586 }
9587 #endif
9588 }
9589
9590 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9591 {
9592 if (valid != VALID_HEAD + VALID_PATH)
9593 /* xgettext:no-c-format */
9594 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9595 else
9596 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9597 result = NULL;
9598 }
9599 else
9600 result = vim_strnsave(result, resultlen);
9601 vim_free(resultbuf);
9602 return result;
9603 }
9604
9605 /*
9606 * Concatenate all files in the argument list, separated by spaces, and return
9607 * it in one allocated string.
9608 * Spaces and backslashes in the file names are escaped with a backslash.
9609 * Returns NULL when out of memory.
9610 */
9611 static char_u *
9612 arg_all()
9613 {
9614 int len;
9615 int idx;
9616 char_u *retval = NULL;
9617 char_u *p;
9618
9619 /*
9620 * Do this loop two times:
9621 * first time: compute the total length
9622 * second time: concatenate the names
9623 */
9624 for (;;)
9625 {
9626 len = 0;
9627 for (idx = 0; idx < ARGCOUNT; ++idx)
9628 {
9629 p = alist_name(&ARGLIST[idx]);
9630 if (p != NULL)
9631 {
9632 if (len > 0)
9633 {
9634 /* insert a space in between names */
9635 if (retval != NULL)
9636 retval[len] = ' ';
9637 ++len;
9638 }
9639 for ( ; *p != NUL; ++p)
9640 {
9641 if (*p == ' ' || *p == '\\')
9642 {
9643 /* insert a backslash */
9644 if (retval != NULL)
9645 retval[len] = '\\';
9646 ++len;
9647 }
9648 if (retval != NULL)
9649 retval[len] = *p;
9650 ++len;
9651 }
9652 }
9653 }
9654
9655 /* second time: break here */
9656 if (retval != NULL)
9657 {
9658 retval[len] = NUL;
9659 break;
9660 }
9661
9662 /* allocate memory */
9663 retval = alloc(len + 1);
9664 if (retval == NULL)
9665 break;
9666 }
9667
9668 return retval;
9669 }
9670
9671 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9672 /*
9673 * Expand the <sfile> string in "arg".
9674 *
9675 * Returns an allocated string, or NULL for any error.
9676 */
9677 char_u *
9678 expand_sfile(arg)
9679 char_u *arg;
9680 {
9681 char_u *errormsg;
9682 int len;
9683 char_u *result;
9684 char_u *newres;
9685 char_u *repl;
9686 int srclen;
9687 char_u *p;
9688
9689 result = vim_strsave(arg);
9690 if (result == NULL)
9691 return NULL;
9692
9693 for (p = result; *p; )
9694 {
9695 if (STRNCMP(p, "<sfile>", 7) != 0)
9696 ++p;
9697 else
9698 {
9699 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9700 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9701 if (errormsg != NULL)
9702 {
9703 if (*errormsg)
9704 emsg(errormsg);
9705 vim_free(result);
9706 return NULL;
9707 }
9708 if (repl == NULL) /* no match (cannot happen) */
9709 {
9710 p += srclen;
9711 continue;
9712 }
9713 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9714 newres = alloc(len);
9715 if (newres == NULL)
9716 {
9717 vim_free(repl);
9718 vim_free(result);
9719 return NULL;
9720 }
9721 mch_memmove(newres, result, (size_t)(p - result));
9722 STRCPY(newres + (p - result), repl);
9723 len = (int)STRLEN(newres);
9724 STRCAT(newres, p + srclen);
9725 vim_free(repl);
9726 vim_free(result);
9727 result = newres;
9728 p = newres + len; /* continue after the match */
9729 }
9730 }
9731
9732 return result;
9733 }
9734 #endif
9735
9736 #ifdef FEAT_SESSION
9737 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9738 win_T *tab_firstwin));
9739 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9740 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9741 static int ses_do_frame __ARGS((frame_T *fr));
9742 static int ses_do_win __ARGS((win_T *wp));
9743 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9744 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9745 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9746
9747 /*
9748 * Write openfile commands for the current buffers to an .exrc file.
9749 * Return FAIL on error, OK otherwise.
9750 */
9751 static int
9752 makeopens(fd, dirnow)
9753 FILE *fd;
9754 char_u *dirnow; /* Current directory name */
9755 {
9756 buf_T *buf;
9757 int only_save_windows = TRUE;
9758 int nr;
9759 int cnr = 1;
9760 int restore_size = TRUE;
9761 win_T *wp;
9762 char_u *sname;
9763 win_T *edited_win = NULL;
9764 int tabnr;
9765 win_T *tab_firstwin;
9766 frame_T *tab_topframe;
9767 int cur_arg_idx = 0;
9768 int next_arg_idx = 0;
9769
9770 if (ssop_flags & SSOP_BUFFERS)
9771 only_save_windows = FALSE; /* Save ALL buffers */
9772
9773 /*
9774 * Begin by setting the this_session variable, and then other
9775 * sessionable variables.
9776 */
9777 #ifdef FEAT_EVAL
9778 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9779 return FAIL;
9780 if (ssop_flags & SSOP_GLOBALS)
9781 if (store_session_globals(fd) == FAIL)
9782 return FAIL;
9783 #endif
9784
9785 /*
9786 * Close all windows but one.
9787 */
9788 if (put_line(fd, "silent only") == FAIL)
9789 return FAIL;
9790
9791 /*
9792 * Now a :cd command to the session directory or the current directory
9793 */
9794 if (ssop_flags & SSOP_SESDIR)
9795 {
9796 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9797 == FAIL)
9798 return FAIL;
9799 }
9800 else if (ssop_flags & SSOP_CURDIR)
9801 {
9802 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9803 if (sname == NULL
9804 || fputs("cd ", fd) < 0
9805 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9806 || put_eol(fd) == FAIL)
9807 {
9808 vim_free(sname);
9809 return FAIL;
9810 }
9811 vim_free(sname);
9812 }
9813
9814 /*
9815 * If there is an empty, unnamed buffer we will wipe it out later.
9816 * Remember the buffer number.
9817 */
9818 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9819 return FAIL;
9820 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9821 return FAIL;
9822 if (put_line(fd, "endif") == FAIL)
9823 return FAIL;
9824
9825 /*
9826 * Now save the current files, current buffer first.
9827 */
9828 if (put_line(fd, "set shortmess=aoO") == FAIL)
9829 return FAIL;
9830
9831 /* Now put the other buffers into the buffer list */
9832 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9833 {
9834 if (!(only_save_windows && buf->b_nwindows == 0)
9835 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9836 && buf->b_fname != NULL
9837 && buf->b_p_bl)
9838 {
9839 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9840 : buf->b_wininfo->wi_fpos.lnum) < 0
9841 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9842 return FAIL;
9843 }
9844 }
9845
9846 /* the global argument list */
9847 if (ses_arglist(fd, "args", &global_alist.al_ga,
9848 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9849 return FAIL;
9850
9851 if (ssop_flags & SSOP_RESIZE)
9852 {
9853 /* Note: after the restore we still check it worked!*/
9854 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9855 || put_eol(fd) == FAIL)
9856 return FAIL;
9857 }
9858
9859 #ifdef FEAT_GUI
9860 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9861 {
9862 int x, y;
9863
9864 if (gui_mch_get_winpos(&x, &y) == OK)
9865 {
9866 /* Note: after the restore we still check it worked!*/
9867 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9868 return FAIL;
9869 }
9870 }
9871 #endif
9872
9873 /*
9874 * May repeat putting Windows for each tab, when "tabpages" is in
9875 * 'sessionoptions'.
9876 * Don't use goto_tabpage(), it may change directory and trigger
9877 * autocommands.
9878 */
9879 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9880 tab_topframe = topframe;
9881 for (tabnr = 1; ; ++tabnr)
9882 {
9883 int need_tabnew = FALSE;
9884
9885 if ((ssop_flags & SSOP_TABPAGES))
9886 {
9887 tabpage_T *tp = find_tabpage(tabnr);
9888
9889 if (tp == NULL)
9890 break; /* done all tab pages */
9891 if (tp == curtab)
9892 {
9893 tab_firstwin = firstwin;
9894 tab_topframe = topframe;
9895 }
9896 else
9897 {
9898 tab_firstwin = tp->tp_firstwin;
9899 tab_topframe = tp->tp_topframe;
9900 }
9901 if (tabnr > 1)
9902 need_tabnew = TRUE;
9903 }
9904
9905 /*
9906 * Before creating the window layout, try loading one file. If this
9907 * is aborted we don't end up with a number of useless windows.
9908 * This may have side effects! (e.g., compressed or network file).
9909 */
9910 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9911 {
9912 if (ses_do_win(wp)
9913 && wp->w_buffer->b_ffname != NULL
9914 && !wp->w_buffer->b_help
9915 #ifdef FEAT_QUICKFIX
9916 && !bt_nofile(wp->w_buffer)
9917 #endif
9918 )
9919 {
9920 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9921 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9922 return FAIL;
9923 need_tabnew = FALSE;
9924 if (!wp->w_arg_idx_invalid)
9925 edited_win = wp;
9926 break;
9927 }
9928 }
9929
9930 /* If no file got edited create an empty tab page. */
9931 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9932 return FAIL;
9933
9934 /*
9935 * Save current window layout.
9936 */
9937 if (put_line(fd, "set splitbelow splitright") == FAIL)
9938 return FAIL;
9939 if (ses_win_rec(fd, tab_topframe) == FAIL)
9940 return FAIL;
9941 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
9942 return FAIL;
9943 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
9944 return FAIL;
9945
9946 /*
9947 * Check if window sizes can be restored (no windows omitted).
9948 * Remember the window number of the current window after restoring.
9949 */
9950 nr = 0;
9951 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
9952 {
9953 if (ses_do_win(wp))
9954 ++nr;
9955 else
9956 restore_size = FALSE;
9957 if (curwin == wp)
9958 cnr = nr;
9959 }
9960
9961 /* Go to the first window. */
9962 if (put_line(fd, "wincmd t") == FAIL)
9963 return FAIL;
9964
9965 /*
9966 * If more than one window, see if sizes can be restored.
9967 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
9968 * resized when moving between windows.
9969 * Do this before restoring the view, so that the topline and the
9970 * cursor can be set. This is done again below.
9971 */
9972 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
9973 return FAIL;
9974 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
9975 return FAIL;
9976
9977 /*
9978 * Restore the view of the window (options, file, cursor, etc.).
9979 */
9980 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9981 {
9982 if (!ses_do_win(wp))
9983 continue;
9984 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
9985 cur_arg_idx) == FAIL)
9986 return FAIL;
9987 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
9988 return FAIL;
9989 next_arg_idx = wp->w_arg_idx;
9990 }
9991
9992 /* The argument index in the first tab page is zero, need to set it in
9993 * each window. For further tab pages it's the window where we do
9994 * "tabedit". */
9995 cur_arg_idx = next_arg_idx;
9996
9997 /*
9998 * Restore cursor to the current window if it's not the first one.
9999 */
10000 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10001 || put_eol(fd) == FAIL))
10002 return FAIL;
10003
10004 /*
10005 * Restore window sizes again after jumping around in windows, because
10006 * the current window has a minimum size while others may not.
10007 */
10008 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10009 return FAIL;
10010
10011 /* Don't continue in another tab page when doing only the current one
10012 * or when at the last tab page. */
10013 if (!(ssop_flags & SSOP_TABPAGES))
10014 break;
10015 }
10016
10017 if (ssop_flags & SSOP_TABPAGES)
10018 {
10019 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10020 || put_eol(fd) == FAIL)
10021 return FAIL;
10022 }
10023
10024 /*
10025 * Wipe out an empty unnamed buffer we started in.
10026 */
10027 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10028 return FAIL;
10029 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10030 return FAIL;
10031 if (put_line(fd, "endif") == FAIL)
10032 return FAIL;
10033 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10034 return FAIL;
10035
10036 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10037 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10038 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10039 return FAIL;
10040
10041 /*
10042 * Lastly, execute the x.vim file if it exists.
10043 */
10044 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10045 || put_line(fd, "if file_readable(s:sx)") == FAIL
10046 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10047 || put_line(fd, "endif") == FAIL)
10048 return FAIL;
10049
10050 return OK;
10051 }
10052
10053 static int
10054 ses_winsizes(fd, restore_size, tab_firstwin)
10055 FILE *fd;
10056 int restore_size;
10057 win_T *tab_firstwin;
10058 {
10059 int n = 0;
10060 win_T *wp;
10061
10062 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10063 {
10064 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10065 {
10066 if (!ses_do_win(wp))
10067 continue;
10068 ++n;
10069
10070 /* restore height when not full height */
10071 if (wp->w_height + wp->w_status_height < topframe->fr_height
10072 && (fprintf(fd,
10073 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10074 n, (long)wp->w_height, Rows / 2, Rows) < 0
10075 || put_eol(fd) == FAIL))
10076 return FAIL;
10077
10078 /* restore width when not full width */
10079 if (wp->w_width < Columns && (fprintf(fd,
10080 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10081 n, (long)wp->w_width, Columns / 2, Columns) < 0
10082 || put_eol(fd) == FAIL))
10083 return FAIL;
10084 }
10085 }
10086 else
10087 {
10088 /* Just equalise window sizes */
10089 if (put_line(fd, "wincmd =") == FAIL)
10090 return FAIL;
10091 }
10092 return OK;
10093 }
10094
10095 /*
10096 * Write commands to "fd" to recursively create windows for frame "fr",
10097 * horizontally and vertically split.
10098 * After the commands the last window in the frame is the current window.
10099 * Returns FAIL when writing the commands to "fd" fails.
10100 */
10101 static int
10102 ses_win_rec(fd, fr)
10103 FILE *fd;
10104 frame_T *fr;
10105 {
10106 frame_T *frc;
10107 int count = 0;
10108
10109 if (fr->fr_layout != FR_LEAF)
10110 {
10111 /* Find first frame that's not skipped and then create a window for
10112 * each following one (first frame is already there). */
10113 frc = ses_skipframe(fr->fr_child);
10114 if (frc != NULL)
10115 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10116 {
10117 /* Make window as big as possible so that we have lots of room
10118 * to split. */
10119 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10120 || put_line(fd, fr->fr_layout == FR_COL
10121 ? "split" : "vsplit") == FAIL)
10122 return FAIL;
10123 ++count;
10124 }
10125
10126 /* Go back to the first window. */
10127 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10128 ? "%dwincmd k" : "%dwincmd h", count) < 0
10129 || put_eol(fd) == FAIL))
10130 return FAIL;
10131
10132 /* Recursively create frames/windows in each window of this column or
10133 * row. */
10134 frc = ses_skipframe(fr->fr_child);
10135 while (frc != NULL)
10136 {
10137 ses_win_rec(fd, frc);
10138 frc = ses_skipframe(frc->fr_next);
10139 /* Go to next window. */
10140 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10141 return FAIL;
10142 }
10143 }
10144 return OK;
10145 }
10146
10147 /*
10148 * Skip frames that don't contain windows we want to save in the Session.
10149 * Returns NULL when there none.
10150 */
10151 static frame_T *
10152 ses_skipframe(fr)
10153 frame_T *fr;
10154 {
10155 frame_T *frc;
10156
10157 for (frc = fr; frc != NULL; frc = frc->fr_next)
10158 if (ses_do_frame(frc))
10159 break;
10160 return frc;
10161 }
10162
10163 /*
10164 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10165 * the Session.
10166 */
10167 static int
10168 ses_do_frame(fr)
10169 frame_T *fr;
10170 {
10171 frame_T *frc;
10172
10173 if (fr->fr_layout == FR_LEAF)
10174 return ses_do_win(fr->fr_win);
10175 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10176 if (ses_do_frame(frc))
10177 return TRUE;
10178 return FALSE;
10179 }
10180
10181 /*
10182 * Return non-zero if window "wp" is to be stored in the Session.
10183 */
10184 static int
10185 ses_do_win(wp)
10186 win_T *wp;
10187 {
10188 if (wp->w_buffer->b_fname == NULL
10189 #ifdef FEAT_QUICKFIX
10190 /* When 'buftype' is "nofile" can't restore the window contents. */
10191 || bt_nofile(wp->w_buffer)
10192 #endif
10193 )
10194 return (ssop_flags & SSOP_BLANK);
10195 if (wp->w_buffer->b_help)
10196 return (ssop_flags & SSOP_HELP);
10197 return TRUE;
10198 }
10199
10200 /*
10201 * Write commands to "fd" to restore the view of a window.
10202 * Caller must make sure 'scrolloff' is zero.
10203 */
10204 static int
10205 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10206 FILE *fd;
10207 win_T *wp;
10208 int add_edit; /* add ":edit" command to view */
10209 unsigned *flagp; /* vop_flags or ssop_flags */
10210 int current_arg_idx; /* current argument index of the window, use
10211 * -1 if unknown */
10212 {
10213 win_T *save_curwin;
10214 int f;
10215 int do_cursor;
10216 int did_next = FALSE;
10217
10218 /* Always restore cursor position for ":mksession". For ":mkview" only
10219 * when 'viewoptions' contains "cursor". */
10220 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10221
10222 /*
10223 * Local argument list.
10224 */
10225 if (wp->w_alist == &global_alist)
10226 {
10227 if (put_line(fd, "argglobal") == FAIL)
10228 return FAIL;
10229 }
10230 else
10231 {
10232 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10233 flagp == &vop_flags
10234 || !(*flagp & SSOP_CURDIR)
10235 || wp->w_localdir != NULL, flagp) == FAIL)
10236 return FAIL;
10237 }
10238
10239 /* Only when part of a session: restore the argument index. Some
10240 * arguments may have been deleted, check if the index is valid. */
10241 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10242 && flagp == &ssop_flags)
10243 {
10244 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10245 || put_eol(fd) == FAIL)
10246 return FAIL;
10247 did_next = TRUE;
10248 }
10249
10250 /* Edit the file. Skip this when ":next" already did it. */
10251 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10252 {
10253 /*
10254 * Load the file.
10255 */
10256 if (wp->w_buffer->b_ffname != NULL
10257 #ifdef FEAT_QUICKFIX
10258 && !bt_nofile(wp->w_buffer)
10259 #endif
10260 )
10261 {
10262 /*
10263 * Editing a file in this buffer: use ":edit file".
10264 * This may have side effects! (e.g., compressed or network file).
10265 */
10266 if (fputs("edit ", fd) < 0
10267 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10268 return FAIL;
10269 }
10270 else
10271 {
10272 /* No file in this buffer, just make it empty. */
10273 if (put_line(fd, "enew") == FAIL)
10274 return FAIL;
10275 #ifdef FEAT_QUICKFIX
10276 if (wp->w_buffer->b_ffname != NULL)
10277 {
10278 /* The buffer does have a name, but it's not a file name. */
10279 if (fputs("file ", fd) < 0
10280 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10281 return FAIL;
10282 }
10283 #endif
10284 do_cursor = FALSE;
10285 }
10286 }
10287
10288 /*
10289 * Local mappings and abbreviations.
10290 */
10291 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10292 && makemap(fd, wp->w_buffer) == FAIL)
10293 return FAIL;
10294
10295 /*
10296 * Local options. Need to go to the window temporarily.
10297 * Store only local values when using ":mkview" and when ":mksession" is
10298 * used and 'sessionoptions' doesn't include "options".
10299 * Some folding options are always stored when "folds" is included,
10300 * otherwise the folds would not be restored correctly.
10301 */
10302 save_curwin = curwin;
10303 curwin = wp;
10304 curbuf = curwin->w_buffer;
10305 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10306 f = makeset(fd, OPT_LOCAL,
10307 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10308 #ifdef FEAT_FOLDING
10309 else if (*flagp & SSOP_FOLDS)
10310 f = makefoldset(fd);
10311 #endif
10312 else
10313 f = OK;
10314 curwin = save_curwin;
10315 curbuf = curwin->w_buffer;
10316 if (f == FAIL)
10317 return FAIL;
10318
10319 #ifdef FEAT_FOLDING
10320 /*
10321 * Save Folds when 'buftype' is empty and for help files.
10322 */
10323 if ((*flagp & SSOP_FOLDS)
10324 && wp->w_buffer->b_ffname != NULL
10325 # ifdef FEAT_QUICKFIX
10326 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10327 # endif
10328 )
10329 {
10330 if (put_folds(fd, wp) == FAIL)
10331 return FAIL;
10332 }
10333 #endif
10334
10335 /*
10336 * Set the cursor after creating folds, since that moves the cursor.
10337 */
10338 if (do_cursor)
10339 {
10340
10341 /* Restore the cursor line in the file and relatively in the
10342 * window. Don't use "G", it changes the jumplist. */
10343 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10344 (long)wp->w_cursor.lnum,
10345 (long)(wp->w_cursor.lnum - wp->w_topline),
10346 (long)wp->w_height / 2, (long)wp->w_height) < 0
10347 || put_eol(fd) == FAIL
10348 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10349 || put_line(fd, "exe s:l") == FAIL
10350 || put_line(fd, "normal! zt") == FAIL
10351 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10352 || put_eol(fd) == FAIL)
10353 return FAIL;
10354 /* Restore the cursor column and left offset when not wrapping. */
10355 if (wp->w_cursor.col == 0)
10356 {
10357 if (put_line(fd, "normal! 0") == FAIL)
10358 return FAIL;
10359 }
10360 else
10361 {
10362 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10363 {
10364 if (fprintf(fd,
10365 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10366 (long)wp->w_cursor.col,
10367 (long)(wp->w_cursor.col - wp->w_leftcol),
10368 (long)wp->w_width / 2, (long)wp->w_width) < 0
10369 || put_eol(fd) == FAIL
10370 || put_line(fd, "if s:c > 0") == FAIL
10371 || fprintf(fd,
10372 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10373 (long)wp->w_cursor.col) < 0
10374 || put_eol(fd) == FAIL
10375 || put_line(fd, "else") == FAIL
10376 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10377 || put_eol(fd) == FAIL
10378 || put_line(fd, "endif") == FAIL)
10379 return FAIL;
10380 }
10381 else
10382 {
10383 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10384 || put_eol(fd) == FAIL)
10385 return FAIL;
10386 }
10387 }
10388 }
10389
10390 /*
10391 * Local directory.
10392 */
10393 if (wp->w_localdir != NULL)
10394 {
10395 if (fputs("lcd ", fd) < 0
10396 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10397 || put_eol(fd) == FAIL)
10398 return FAIL;
10399 did_lcd = TRUE;
10400 }
10401
10402 return OK;
10403 }
10404
10405 /*
10406 * Write an argument list to the session file.
10407 * Returns FAIL if writing fails.
10408 */
10409 static int
10410 ses_arglist(fd, cmd, gap, fullname, flagp)
10411 FILE *fd;
10412 char *cmd;
10413 garray_T *gap;
10414 int fullname; /* TRUE: use full path name */
10415 unsigned *flagp;
10416 {
10417 int i;
10418 char_u buf[MAXPATHL];
10419 char_u *s;
10420
10421 if (gap->ga_len == 0)
10422 return put_line(fd, "silent! argdel *");
10423 if (fputs(cmd, fd) < 0)
10424 return FAIL;
10425 for (i = 0; i < gap->ga_len; ++i)
10426 {
10427 /* NULL file names are skipped (only happens when out of memory). */
10428 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10429 if (s != NULL)
10430 {
10431 if (fullname)
10432 {
10433 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10434 s = buf;
10435 }
10436 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10437 return FAIL;
10438 }
10439 }
10440 return put_eol(fd);
10441 }
10442
10443 /*
10444 * Write a buffer name to the session file.
10445 * Also ends the line.
10446 * Returns FAIL if writing fails.
10447 */
10448 static int
10449 ses_fname(fd, buf, flagp)
10450 FILE *fd;
10451 buf_T *buf;
10452 unsigned *flagp;
10453 {
10454 char_u *name;
10455
10456 /* Use the short file name if the current directory is known at the time
10457 * the session file will be sourced.
10458 * Don't do this for ":mkview", we don't know the current directory.
10459 * Don't do this after ":lcd", we don't keep track of what the current
10460 * directory is. */
10461 if (buf->b_sfname != NULL
10462 && flagp == &ssop_flags
10463 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10464 && !did_lcd)
10465 name = buf->b_sfname;
10466 else
10467 name = buf->b_ffname;
10468 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10469 return FAIL;
10470 return OK;
10471 }
10472
10473 /*
10474 * Write a file name to the session file.
10475 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10476 * characters.
10477 * Returns FAIL if writing fails.
10478 */
10479 static int
10480 ses_put_fname(fd, name, flagp)
10481 FILE *fd;
10482 char_u *name;
10483 unsigned *flagp;
10484 {
10485 char_u *sname;
10486 int retval = OK;
10487 int c;
10488
10489 sname = home_replace_save(NULL, name);
10490 if (sname != NULL)
10491 name = sname;
10492 while (*name != NUL)
10493 {
10494 #ifdef FEAT_MBYTE
10495 {
10496 int l;
10497
10498 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10499 {
10500 /* copy a multibyte char */
10501 while (--l >= 0)
10502 {
10503 if (putc(*name, fd) != *name)
10504 retval = FAIL;
10505 ++name;
10506 }
10507 continue;
10508 }
10509 }
10510 #endif
10511 c = *name++;
10512 if (c == '\\' && (*flagp & SSOP_SLASH))
10513 /* change a backslash to a forward slash */
10514 c = '/';
10515 else if ((vim_strchr(escape_chars, c) != NULL
10516 #ifdef BACKSLASH_IN_FILENAME
10517 && c != '\\'
10518 #endif
10519 ) || c == '#' || c == '%')
10520 {
10521 /* escape a special character with a backslash */
10522 if (putc('\\', fd) != '\\')
10523 retval = FAIL;
10524 }
10525 if (putc(c, fd) != c)
10526 retval = FAIL;
10527 }
10528 vim_free(sname);
10529 return retval;
10530 }
10531
10532 /*
10533 * ":loadview [nr]"
10534 */
10535 static void
10536 ex_loadview(eap)
10537 exarg_T *eap;
10538 {
10539 char_u *fname;
10540
10541 fname = get_view_file(*eap->arg);
10542 if (fname != NULL)
10543 {
10544 do_source(fname, FALSE, DOSO_NONE);
10545 vim_free(fname);
10546 }
10547 }
10548
10549 /*
10550 * Get the name of the view file for the current buffer.
10551 */
10552 static char_u *
10553 get_view_file(c)
10554 int c;
10555 {
10556 int len = 0;
10557 char_u *p, *s;
10558 char_u *retval;
10559 char_u *sname;
10560
10561 if (curbuf->b_ffname == NULL)
10562 {
10563 EMSG(_(e_noname));
10564 return NULL;
10565 }
10566 sname = home_replace_save(NULL, curbuf->b_ffname);
10567 if (sname == NULL)
10568 return NULL;
10569
10570 /*
10571 * We want a file name without separators, because we're not going to make
10572 * a directory.
10573 * "normal" path separator -> "=+"
10574 * "=" -> "=="
10575 * ":" path separator -> "=-"
10576 */
10577 for (p = sname; *p; ++p)
10578 if (*p == '=' || vim_ispathsep(*p))
10579 ++len;
10580 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10581 if (retval != NULL)
10582 {
10583 STRCPY(retval, p_vdir);
10584 add_pathsep(retval);
10585 s = retval + STRLEN(retval);
10586 for (p = sname; *p; ++p)
10587 {
10588 if (*p == '=')
10589 {
10590 *s++ = '=';
10591 *s++ = '=';
10592 }
10593 else if (vim_ispathsep(*p))
10594 {
10595 *s++ = '=';
10596 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10597 || defined(VMS)
10598 if (*p == ':')
10599 *s++ = '-';
10600 else
10601 #endif
10602 *s++ = '+';
10603 }
10604 else
10605 *s++ = *p;
10606 }
10607 *s++ = '=';
10608 *s++ = c;
10609 STRCPY(s, ".vim");
10610 }
10611
10612 vim_free(sname);
10613 return retval;
10614 }
10615
10616 #endif /* FEAT_SESSION */
10617
10618 /*
10619 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10620 * Return FAIL for a write error.
10621 */
10622 int
10623 put_eol(fd)
10624 FILE *fd;
10625 {
10626 if (
10627 #ifdef USE_CRNL
10628 (
10629 # ifdef MKSESSION_NL
10630 !mksession_nl &&
10631 # endif
10632 (putc('\r', fd) < 0)) ||
10633 #endif
10634 (putc('\n', fd) < 0))
10635 return FAIL;
10636 return OK;
10637 }
10638
10639 /*
10640 * Write a line to "fd".
10641 * Return FAIL for a write error.
10642 */
10643 int
10644 put_line(fd, s)
10645 FILE *fd;
10646 char *s;
10647 {
10648 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10649 return FAIL;
10650 return OK;
10651 }
10652
10653 #ifdef FEAT_VIMINFO
10654 /*
10655 * ":rviminfo" and ":wviminfo".
10656 */
10657 static void
10658 ex_viminfo(eap)
10659 exarg_T *eap;
10660 {
10661 char_u *save_viminfo;
10662
10663 save_viminfo = p_viminfo;
10664 if (*p_viminfo == NUL)
10665 p_viminfo = (char_u *)"'100";
10666 if (eap->cmdidx == CMD_rviminfo)
10667 {
10668 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10669 EMSG(_("E195: Cannot open viminfo file for reading"));
10670 }
10671 else
10672 write_viminfo(eap->arg, eap->forceit);
10673 p_viminfo = save_viminfo;
10674 }
10675 #endif
10676
10677 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10678 /*
10679 * Make a dialog message in "buff[IOSIZE]".
10680 * "format" must contain "%s".
10681 */
10682 void
10683 dialog_msg(buff, format, fname)
10684 char_u *buff;
10685 char *format;
10686 char_u *fname;
10687 {
10688 if (fname == NULL)
10689 fname = (char_u *)_("Untitled");
10690 vim_snprintf((char *)buff, IOSIZE, format, fname);
10691 }
10692 #endif
10693
10694 /*
10695 * ":behave {mswin,xterm}"
10696 */
10697 static void
10698 ex_behave(eap)
10699 exarg_T *eap;
10700 {
10701 if (STRCMP(eap->arg, "mswin") == 0)
10702 {
10703 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10704 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10705 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10706 set_option_value((char_u *)"keymodel", 0L,
10707 (char_u *)"startsel,stopsel", 0);
10708 }
10709 else if (STRCMP(eap->arg, "xterm") == 0)
10710 {
10711 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10712 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10713 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10714 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10715 }
10716 else
10717 EMSG2(_(e_invarg2), eap->arg);
10718 }
10719
10720 #ifdef FEAT_AUTOCMD
10721 static int filetype_detect = FALSE;
10722 static int filetype_plugin = FALSE;
10723 static int filetype_indent = FALSE;
10724
10725 /*
10726 * ":filetype [plugin] [indent] {on,off,detect}"
10727 * on: Load the filetype.vim file to install autocommands for file types.
10728 * off: Load the ftoff.vim file to remove all autocommands for file types.
10729 * plugin on: load filetype.vim and ftplugin.vim
10730 * plugin off: load ftplugof.vim
10731 * indent on: load filetype.vim and indent.vim
10732 * indent off: load indoff.vim
10733 */
10734 static void
10735 ex_filetype(eap)
10736 exarg_T *eap;
10737 {
10738 char_u *arg = eap->arg;
10739 int plugin = FALSE;
10740 int indent = FALSE;
10741
10742 if (*eap->arg == NUL)
10743 {
10744 /* Print current status. */
10745 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10746 filetype_detect ? "ON" : "OFF",
10747 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10748 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10749 return;
10750 }
10751
10752 /* Accept "plugin" and "indent" in any order. */
10753 for (;;)
10754 {
10755 if (STRNCMP(arg, "plugin", 6) == 0)
10756 {
10757 plugin = TRUE;
10758 arg = skipwhite(arg + 6);
10759 continue;
10760 }
10761 if (STRNCMP(arg, "indent", 6) == 0)
10762 {
10763 indent = TRUE;
10764 arg = skipwhite(arg + 6);
10765 continue;
10766 }
10767 break;
10768 }
10769 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10770 {
10771 if (*arg == 'o' || !filetype_detect)
10772 {
10773 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10774 filetype_detect = TRUE;
10775 if (plugin)
10776 {
10777 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10778 filetype_plugin = TRUE;
10779 }
10780 if (indent)
10781 {
10782 source_runtime((char_u *)INDENT_FILE, TRUE);
10783 filetype_indent = TRUE;
10784 }
10785 }
10786 if (*arg == 'd')
10787 {
10788 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10789 do_modelines(0);
10790 }
10791 }
10792 else if (STRCMP(arg, "off") == 0)
10793 {
10794 if (plugin || indent)
10795 {
10796 if (plugin)
10797 {
10798 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10799 filetype_plugin = FALSE;
10800 }
10801 if (indent)
10802 {
10803 source_runtime((char_u *)INDOFF_FILE, TRUE);
10804 filetype_indent = FALSE;
10805 }
10806 }
10807 else
10808 {
10809 source_runtime((char_u *)FTOFF_FILE, TRUE);
10810 filetype_detect = FALSE;
10811 }
10812 }
10813 else
10814 EMSG2(_(e_invarg2), arg);
10815 }
10816
10817 /*
10818 * ":setfiletype {name}"
10819 */
10820 static void
10821 ex_setfiletype(eap)
10822 exarg_T *eap;
10823 {
10824 if (!did_filetype)
10825 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10826 }
10827 #endif
10828
10829 /*ARGSUSED*/
10830 static void
10831 ex_digraphs(eap)
10832 exarg_T *eap;
10833 {
10834 #ifdef FEAT_DIGRAPHS
10835 if (*eap->arg != NUL)
10836 putdigraph(eap->arg);
10837 else
10838 listdigraphs();
10839 #else
10840 EMSG(_("E196: No digraphs in this version"));
10841 #endif
10842 }
10843
10844 static void
10845 ex_set(eap)
10846 exarg_T *eap;
10847 {
10848 int flags = 0;
10849
10850 if (eap->cmdidx == CMD_setlocal)
10851 flags = OPT_LOCAL;
10852 else if (eap->cmdidx == CMD_setglobal)
10853 flags = OPT_GLOBAL;
10854 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10855 if (cmdmod.browse && flags == 0)
10856 ex_options(eap);
10857 else
10858 #endif
10859 (void)do_set(eap->arg, flags);
10860 }
10861
10862 #ifdef FEAT_SEARCH_EXTRA
10863 /*
10864 * ":nohlsearch"
10865 */
10866 /*ARGSUSED*/
10867 static void
10868 ex_nohlsearch(eap)
10869 exarg_T *eap;
10870 {
10871 no_hlsearch = TRUE;
10872 redraw_all_later(SOME_VALID);
10873 }
10874
10875 /*
10876 * ":[N]match {group} {pattern}"
10877 * Sets nextcmd to the start of the next command, if any. Also called when
10878 * skipping commands to find the next command.
10879 */
10880 static void
10881 ex_match(eap)
10882 exarg_T *eap;
10883 {
10884 char_u *p;
10885 char_u *g = NULL;
10886 char_u *end;
10887 int c;
10888 int id;
10889
10890 if (eap->line2 <= 3)
10891 id = eap->line2;
10892 else
10893 {
10894 EMSG(e_invcmd);
10895 return;
10896 }
10897
10898 /* First clear any old pattern. */
10899 if (!eap->skip)
10900 match_delete(curwin, id, FALSE);
10901
10902 if (ends_excmd(*eap->arg))
10903 end = eap->arg;
10904 else if ((STRNICMP(eap->arg, "none", 4) == 0
10905 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10906 end = eap->arg + 4;
10907 else
10908 {
10909 p = skiptowhite(eap->arg);
10910 if (!eap->skip)
10911 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10912 p = skipwhite(p);
10913 if (*p == NUL)
10914 {
10915 /* There must be two arguments. */
10916 EMSG2(_(e_invarg2), eap->arg);
10917 return;
10918 }
10919 end = skip_regexp(p + 1, *p, TRUE, NULL);
10920 if (!eap->skip)
10921 {
10922 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10923 {
10924 eap->errmsg = e_trailing;
10925 return;
10926 }
10927 if (*end != *p)
10928 {
10929 EMSG2(_(e_invarg2), p);
10930 return;
10931 }
10932
10933 c = *end;
10934 *end = NUL;
10935 match_add(curwin, g, p + 1, 10, id);
10936 vim_free(g);
10937 *end = c;
10938 }
10939 }
10940 eap->nextcmd = find_nextcmd(end);
10941 }
10942 #endif
10943
10944 #ifdef FEAT_CRYPT
10945 /*
10946 * ":X": Get crypt key
10947 */
10948 /*ARGSUSED*/
10949 static void
10950 ex_X(eap)
10951 exarg_T *eap;
10952 {
10953 (void)get_crypt_key(TRUE, TRUE);
10954 }
10955 #endif
10956
10957 #ifdef FEAT_FOLDING
10958 static void
10959 ex_fold(eap)
10960 exarg_T *eap;
10961 {
10962 if (foldManualAllowed(TRUE))
10963 foldCreate(eap->line1, eap->line2);
10964 }
10965
10966 static void
10967 ex_foldopen(eap)
10968 exarg_T *eap;
10969 {
10970 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
10971 eap->forceit, FALSE);
10972 }
10973
10974 static void
10975 ex_folddo(eap)
10976 exarg_T *eap;
10977 {
10978 linenr_T lnum;
10979
10980 /* First set the marks for all lines closed/open. */
10981 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
10982 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
10983 ml_setmarked(lnum);
10984
10985 /* Execute the command on the marked lines. */
10986 global_exe(eap->arg);
10987 ml_clearmarked(); /* clear rest of the marks */
10988 }
10989 #endif
MacVim KaoriYa