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 */
8
9/*
10 * definition of global variables
11 */
12
13/*
14 * Control over standard conformance
15 */
16
17EXTERN int Unix2003_compat;
18/* Copy of -w value for unix2003 compatible use */
19EXTERN int p_window_unix2003;
20
21/*
22 * Number of Rows and Columns in the screen.
23 * Must be long to be able to use them as options in option.c.
24 * Note: Use screen_Rows and screen_Columns to access items in ScreenLines[].
25 * They may have different values when the screen wasn't (re)allocated yet
26 * after setting Rows or Columns (e.g., when starting up).
27 */
28EXTERN long	Rows			/* nr of rows in the screen */
29#ifdef DO_INIT
30# if defined(MSDOS) || defined(WIN3264) || defined(OS2)
31			    = 25L
32# else
33			    = 24L
34# endif
35#endif
36			    ;
37EXTERN long	Columns INIT(= 80);	/* nr of columns in the screen */
38
39/*
40 * The characters that are currently on the screen are kept in ScreenLines[].
41 * It is a single block of characters, the size of the screen plus one line.
42 * The attributes for those characters are kept in ScreenAttrs[].
43 *
44 * "LineOffset[n]" is the offset from ScreenLines[] for the start of line 'n'.
45 * The same value is used for ScreenLinesUC[] and ScreenAttrs[].
46 *
47 * Note: before the screen is initialized and when out of memory these can be
48 * NULL.
49 */
50EXTERN schar_T	*ScreenLines INIT(= NULL);
51EXTERN sattr_T	*ScreenAttrs INIT(= NULL);
52EXTERN unsigned	*LineOffset INIT(= NULL);
53EXTERN char_u	*LineWraps INIT(= NULL);	/* line wraps to next line */
54
55#ifdef FEAT_MBYTE
56/*
57 * When using Unicode characters (in UTF-8 encoding) the character in
58 * ScreenLinesUC[] contains the Unicode for the character at this position, or
59 * NUL when the character in ScreenLines[] is to be used (ASCII char).
60 * The composing characters are to be drawn on top of the original character.
61 * ScreenLinesC[0][off] is only to be used when ScreenLinesUC[off] != 0.
62 * Note: These three are only allocated when enc_utf8 is set!
63 */
64EXTERN u8char_T	*ScreenLinesUC INIT(= NULL);	/* decoded UTF-8 characters */
65EXTERN u8char_T	*ScreenLinesC[MAX_MCO];		/* composing characters */
66EXTERN int	Screen_mco INIT(= 0);		/* value of p_mco used when
67						   allocating ScreenLinesC[] */
68
69/* Only used for euc-jp: Second byte of a character that starts with 0x8e.
70 * These are single-width. */
71EXTERN schar_T	*ScreenLines2 INIT(= NULL);
72#endif
73
74#ifdef FEAT_WINDOWS
75/*
76 * Indexes for tab page line:
77 *	N > 0 for label of tab page N
78 *	N == 0 for no label
79 *	N < 0 for closing tab page -N
80 *	N == -999 for closing current tab page
81 */
82EXTERN short	*TabPageIdxs INIT(= NULL);
83#endif
84
85EXTERN int	screen_Rows INIT(= 0);	    /* actual size of ScreenLines[] */
86EXTERN int	screen_Columns INIT(= 0);   /* actual size of ScreenLines[] */
87
88/*
89 * When vgetc() is called, it sets mod_mask to the set of modifiers that are
90 * held down based on the MOD_MASK_* symbols that are read first.
91 */
92EXTERN int	mod_mask INIT(= 0x0);		/* current key modifiers */
93
94/*
95 * Cmdline_row is the row where the command line starts, just below the
96 * last window.
97 * When the cmdline gets longer than the available space the screen gets
98 * scrolled up. After a CTRL-D (show matches), after hitting ':' after
99 * "hit return", and for the :global command, the command line is
100 * temporarily moved.  The old position is restored with the next call to
101 * update_screen().
102 */
103EXTERN int	cmdline_row;
104
105EXTERN int	redraw_cmdline INIT(= FALSE);	/* cmdline must be redrawn */
106EXTERN int	clear_cmdline INIT(= FALSE);	/* cmdline must be cleared */
107EXTERN int	mode_displayed INIT(= FALSE);	/* mode is being displayed */
108#if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
109EXTERN int	cmdline_star INIT(= FALSE);	/* cmdline is crypted */
110#endif
111
112EXTERN int	exec_from_reg INIT(= FALSE);	/* executing register */
113
114EXTERN int	screen_cleared INIT(= FALSE);	/* screen has been cleared */
115
116#ifdef FEAT_CRYPT
117EXTERN int      use_crypt_method INIT(= 0);
118#endif
119
120/*
121 * When '$' is included in 'cpoptions' option set:
122 * When a change command is given that deletes only part of a line, a dollar
123 * is put at the end of the changed text. dollar_vcol is set to the virtual
124 * column of this '$'.
125 */
126EXTERN colnr_T	dollar_vcol INIT(= 0);
127
128#ifdef FEAT_INS_EXPAND
129/*
130 * Variables for Insert mode completion.
131 */
132
133/* Length in bytes of the text being completed (this is deleted to be replaced
134 * by the match.) */
135EXTERN int	compl_length INIT(= 0);
136
137/* Set when character typed while looking for matches and it means we should
138 * stop looking for matches. */
139EXTERN int	compl_interrupted INIT(= FALSE);
140
141/* List of flags for method of completion. */
142EXTERN int	compl_cont_status INIT(= 0);
143# define CONT_ADDING	1	/* "normal" or "adding" expansion */
144# define CONT_INTRPT	(2 + 4)	/* a ^X interrupted the current expansion */
145				/* it's set only iff N_ADDS is set */
146# define CONT_N_ADDS	4	/* next ^X<> will add-new or expand-current */
147# define CONT_S_IPOS	8	/* next ^X<> will set initial_pos?
148				 * if so, word-wise-expansion will set SOL */
149# define CONT_SOL	16	/* pattern includes start of line, just for
150				 * word-wise expansion, not set for ^X^L */
151# define CONT_LOCAL	32	/* for ctrl_x_mode 0, ^X^P/^X^N do a local
152				 * expansion, (eg use complete=.) */
153#endif
154
155/*
156 * Functions for putting characters in the command line,
157 * while keeping ScreenLines[] updated.
158 */
159#ifdef FEAT_RIGHTLEFT
160EXTERN int	cmdmsg_rl INIT(= FALSE);    /* cmdline is drawn right to left */
161#endif
162EXTERN int	msg_col;
163EXTERN int	msg_row;
164EXTERN int	msg_scrolled;	/* Number of screen lines that windows have
165				 * scrolled because of printing messages. */
166EXTERN int	msg_scrolled_ign INIT(= FALSE);
167				/* when TRUE don't set need_wait_return in
168				   msg_puts_attr() when msg_scrolled is
169				   non-zero */
170
171EXTERN char_u	*keep_msg INIT(= NULL);	    /* msg to be shown after redraw */
172EXTERN int	keep_msg_attr INIT(= 0);    /* highlight attr for keep_msg */
173EXTERN int	keep_msg_more INIT(= FALSE); /* keep_msg was set by msgmore() */
174EXTERN int	need_fileinfo INIT(= FALSE);/* do fileinfo() after redraw */
175EXTERN int	msg_scroll INIT(= FALSE);   /* msg_start() will scroll */
176EXTERN int	msg_didout INIT(= FALSE);   /* msg_outstr() was used in line */
177EXTERN int	msg_didany INIT(= FALSE);   /* msg_outstr() was used at all */
178EXTERN int	msg_nowait INIT(= FALSE);   /* don't wait for this msg */
179EXTERN int	emsg_off INIT(= 0);	    /* don't display errors for now,
180					       unless 'debug' is set. */
181EXTERN int	info_message INIT(= FALSE); /* printing informative message */
182EXTERN int      msg_hist_off INIT(= FALSE); /* don't add messages to history */
183#ifdef FEAT_EVAL
184EXTERN int	need_clr_eos INIT(= FALSE); /* need to clear text before
185					       displaying a message. */
186EXTERN int	emsg_skip INIT(= 0);	    /* don't display errors for
187					       expression that is skipped */
188EXTERN int	emsg_severe INIT(= FALSE);   /* use message of next of several
189					       emsg() calls for throw */
190EXTERN int	did_endif INIT(= FALSE);    /* just had ":endif" */
191#endif
192EXTERN int	did_emsg;		    /* set by emsg() when the message
193					       is displayed or thrown */
194EXTERN int	called_emsg;		    /* always set by emsg() */
195EXTERN int	ex_exitval INIT(= 0);	    /* exit value for ex mode */
196EXTERN int	emsg_on_display INIT(= FALSE);	/* there is an error message */
197EXTERN int	rc_did_emsg INIT(= FALSE);  /* vim_regcomp() called emsg() */
198
199EXTERN int	no_wait_return INIT(= 0);   /* don't wait for return for now */
200EXTERN int	need_wait_return INIT(= 0); /* need to wait for return later */
201EXTERN int	did_wait_return INIT(= FALSE);	/* wait_return() was used and
202						   nothing written since then */
203#ifdef FEAT_TITLE
204EXTERN int	need_maketitle INIT(= TRUE); /* call maketitle() soon */
205#endif
206
207EXTERN int	quit_more INIT(= FALSE);    /* 'q' hit at "--more--" msg */
208#if defined(UNIX) || defined(__EMX__) || defined(VMS) || defined(MACOS_X)
209EXTERN int	newline_on_exit INIT(= FALSE);	/* did msg in altern. screen */
210EXTERN int	intr_char INIT(= 0);	    /* extra interrupt character */
211#endif
212#if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
213EXTERN int	x_no_connect INIT(= FALSE); /* don't connect to X server */
214# if defined(FEAT_CLIENTSERVER)
215EXTERN int	x_force_connect INIT(= FALSE); /* Do connect to X server.
216						  Overrules x_no_connect and
217						  "exclude" in 'clipboard'. */
218# endif
219#endif
220EXTERN int	ex_keep_indent INIT(= FALSE); /* getexmodeline(): keep indent */
221EXTERN int	vgetc_busy INIT(= 0);	    /* when inside vgetc() then > 0 */
222
223EXTERN int	didset_vim INIT(= FALSE);   /* did set $VIM ourselves */
224EXTERN int	didset_vimruntime INIT(= FALSE);   /* idem for $VIMRUNTIME */
225
226/*
227 * Lines left before a "more" message.	Ex mode needs to be able to reset this
228 * after you type something.
229 */
230EXTERN int	lines_left INIT(= -1);	    /* lines left for listing */
231EXTERN int	msg_no_more INIT(= FALSE);  /* don't use more prompt, truncate
232					       messages */
233
234EXTERN char_u	*sourcing_name INIT( = NULL);/* name of error message source */
235EXTERN linenr_T	sourcing_lnum INIT(= 0);    /* line number of the source file */
236
237#ifdef FEAT_EVAL
238EXTERN int	ex_nesting_level INIT(= 0);	/* nesting level */
239EXTERN int	debug_break_level INIT(= -1);	/* break below this level */
240EXTERN int	debug_did_msg INIT(= FALSE);	/* did "debug mode" message */
241EXTERN int	debug_tick INIT(= 0);		/* breakpoint change count */
242# ifdef FEAT_PROFILE
243EXTERN int	do_profiling INIT(= PROF_NONE);	/* PROF_ values */
244# endif
245
246/*
247 * The exception currently being thrown.  Used to pass an exception to
248 * a different cstack.  Also used for discarding an exception before it is
249 * caught or made pending.  Only valid when did_throw is TRUE.
250 */
251EXTERN except_T *current_exception;
252
253/*
254 * did_throw: An exception is being thrown.  Reset when the exception is caught
255 * or as long as it is pending in a finally clause.
256 */
257EXTERN int did_throw INIT(= FALSE);
258
259/*
260 * need_rethrow: set to TRUE when a throw that cannot be handled in do_cmdline()
261 * must be propagated to the cstack of the previously called do_cmdline().
262 */
263EXTERN int need_rethrow INIT(= FALSE);
264
265/*
266 * check_cstack: set to TRUE when a ":finish" or ":return" that cannot be
267 * handled in do_cmdline() must be propagated to the cstack of the previously
268 * called do_cmdline().
269 */
270EXTERN int check_cstack INIT(= FALSE);
271
272/*
273 * Number of nested try conditionals (across function calls and ":source"
274 * commands).
275 */
276EXTERN int trylevel INIT(= 0);
277
278/*
279 * When "force_abort" is TRUE, always skip commands after an error message,
280 * even after the outermost ":endif", ":endwhile" or ":endfor" or for a
281 * function without the "abort" flag.  It is set to TRUE when "trylevel" is
282 * non-zero (and ":silent!" was not used) or an exception is being thrown at
283 * the time an error is detected.  It is set to FALSE when "trylevel" gets
284 * zero again and there was no error or interrupt or throw.
285 */
286EXTERN int force_abort INIT(= FALSE);
287
288/*
289 * "msg_list" points to a variable in the stack of do_cmdline() which keeps
290 * the list of arguments of several emsg() calls, one of which is to be
291 * converted to an error exception immediately after the failing command
292 * returns.  The message to be used for the exception value is pointed to by
293 * the "throw_msg" field of the first element in the list.  It is usually the
294 * same as the "msg" field of that element, but can be identical to the "msg"
295 * field of a later list element, when the "emsg_severe" flag was set when the
296 * emsg() call was made.
297 */
298EXTERN struct msglist **msg_list INIT(= NULL);
299
300/*
301 * suppress_errthrow: When TRUE, don't convert an error to an exception.  Used
302 * when displaying the interrupt message or reporting an exception that is still
303 * uncaught at the top level (which has already been discarded then).  Also used
304 * for the error message when no exception can be thrown.
305 */
306EXTERN int suppress_errthrow INIT(= FALSE);
307
308/*
309 * The stack of all caught and not finished exceptions.  The exception on the
310 * top of the stack is the one got by evaluation of v:exception.  The complete
311 * stack of all caught and pending exceptions is embedded in the various
312 * cstacks; the pending exceptions, however, are not on the caught stack.
313 */
314EXTERN except_T *caught_stack INIT(= NULL);
315
316#endif
317
318#ifdef FEAT_EVAL
319/*
320 * Garbage collection can only take place when we are sure there are no Lists
321 * or Dictionaries being used internally.  This is flagged with
322 * "may_garbage_collect" when we are at the toplevel.
323 * "want_garbage_collect" is set by the garbagecollect() function, which means
324 * we do garbage collection before waiting for a char at the toplevel.
325 * "garbage_collect_at_exit" indicates garbagecollect(1) was called.
326 */
327EXTERN int	may_garbage_collect INIT(= FALSE);
328EXTERN int	want_garbage_collect INIT(= FALSE);
329EXTERN int	garbage_collect_at_exit INIT(= FALSE);
330
331/* ID of script being sourced or was sourced to define the current function. */
332EXTERN scid_T	current_SID INIT(= 0);
333#endif
334
335#if defined(FEAT_EVAL) || defined(FEAT_SYN_HL)
336/* Magic number used for hashitem "hi_key" value indicating a deleted item.
337 * Only the address is used. */
338EXTERN char_u	hash_removed;
339#endif
340
341
342EXTERN int	scroll_region INIT(= FALSE); /* term supports scroll region */
343EXTERN int	t_colors INIT(= 0);	    /* int value of T_CCO */
344
345/*
346 * When highlight_match is TRUE, highlight a match, starting at the cursor
347 * position.  Search_match_lines is the number of lines after the match (0 for
348 * a match within one line), search_match_endcol the column number of the
349 * character just after the match in the last line.
350 */
351EXTERN int	highlight_match INIT(= FALSE);	/* show search match pos */
352EXTERN linenr_T	search_match_lines;		/* lines of of matched string */
353EXTERN colnr_T	search_match_endcol;		/* col nr of match end */
354
355EXTERN int	no_smartcase INIT(= FALSE);	/* don't use 'smartcase' once */
356
357EXTERN int	need_check_timestamps INIT(= FALSE); /* need to check file
358							timestamps asap */
359EXTERN int	did_check_timestamps INIT(= FALSE); /* did check timestamps
360						       recently */
361EXTERN int	no_check_timestamps INIT(= 0);	/* Don't check timestamps */
362
363EXTERN int	highlight_attr[HLF_COUNT];  /* Highl. attr for each context. */
364#ifdef FEAT_STL_OPT
365# define USER_HIGHLIGHT
366#endif
367#ifdef USER_HIGHLIGHT
368EXTERN int	highlight_user[9];		/* User[1-9] attributes */
369# ifdef FEAT_STL_OPT
370EXTERN int	highlight_stlnc[9];		/* On top of user */
371# endif
372#endif
373#ifdef FEAT_GUI
374EXTERN char_u	*use_gvimrc INIT(= NULL);	/* "-U" cmdline argument */
375#endif
376EXTERN int	cterm_normal_fg_color INIT(= 0);
377EXTERN int	cterm_normal_fg_bold INIT(= 0);
378EXTERN int	cterm_normal_bg_color INIT(= 0);
379
380#ifdef FEAT_AUTOCMD
381EXTERN int	autocmd_busy INIT(= FALSE);	/* Is apply_autocmds() busy? */
382EXTERN int	autocmd_no_enter INIT(= FALSE); /* *Enter autocmds disabled */
383EXTERN int	autocmd_no_leave INIT(= FALSE); /* *Leave autocmds disabled */
384EXTERN int	modified_was_set;		/* did ":set modified" */
385EXTERN int	did_filetype INIT(= FALSE);	/* FileType event found */
386EXTERN int	keep_filetype INIT(= FALSE);	/* value for did_filetype when
387						   starting to execute
388						   autocommands */
389
390/* When deleting the current buffer, another one must be loaded.  If we know
391 * which one is preferred, au_new_curbuf is set to it */
392EXTERN buf_T	*au_new_curbuf INIT(= NULL);
393#endif
394
395#ifdef FEAT_MOUSE
396/*
397 * Mouse coordinates, set by check_termcode()
398 */
399EXTERN int	mouse_row;
400EXTERN int	mouse_col;
401EXTERN int	mouse_past_bottom INIT(= FALSE);/* mouse below last line */
402EXTERN int	mouse_past_eol INIT(= FALSE);	/* mouse right of line */
403EXTERN int	mouse_dragging INIT(= 0);	/* extending Visual area with
404						   mouse dragging */
405# if defined(FEAT_MOUSE_DEC)
406/*
407 * When the DEC mouse has been pressed but not yet released we enable
408 * automatic querys for the mouse position.
409 */
410EXTERN int	WantQueryMouse INIT(= FALSE);
411# endif
412
413# ifdef FEAT_GUI
414/* When the window layout is about to be changed, need_mouse_correct is set,
415 * so that gui_mouse_correct() is called afterwards, to correct the mouse
416 * pointer when focus-follow-mouse is being used. */
417EXTERN int	need_mouse_correct INIT(= FALSE);
418
419/* When double clicking, topline must be the same */
420EXTERN linenr_T gui_prev_topline INIT(= 0);
421#  ifdef FEAT_DIFF
422EXTERN int	gui_prev_topfill INIT(= 0);
423#  endif
424# endif
425
426# ifdef FEAT_MOUSESHAPE
427EXTERN int	drag_status_line INIT(= FALSE);	/* dragging the status line */
428EXTERN int	postponed_mouseshape INIT(= FALSE); /* postponed updating the
429						       mouse pointer shape */
430#  ifdef FEAT_VERTSPLIT
431EXTERN int	drag_sep_line INIT(= FALSE);	/* dragging vert separator */
432#  endif
433# endif
434
435#endif
436
437#ifdef FEAT_DIFF
438/* Value set from 'diffopt'. */
439EXTERN int	diff_context INIT(= 6);		/* context for folds */
440EXTERN int	diff_foldcolumn INIT(= 2);	/* 'foldcolumn' for diff mode */
441EXTERN int	diff_need_scrollbind INIT(= FALSE);
442#endif
443
444#ifdef FEAT_MENU
445/* The root of the menu hierarchy. */
446EXTERN vimmenu_T	*root_menu INIT(= NULL);
447/*
448 * While defining the system menu, sys_menu is TRUE.  This avoids
449 * overruling of menus that the user already defined.
450 */
451EXTERN int	sys_menu INIT(= FALSE);
452#endif
453
454/* While redrawing the screen this flag is set.  It means the screen size
455 * ('lines' and 'rows') must not be changed. */
456EXTERN int	updating_screen INIT(= FALSE);
457
458#ifdef FEAT_GUI
459# ifdef FEAT_MENU
460/* Menu item just selected, set by check_termcode() */
461EXTERN vimmenu_T	*current_menu;
462
463/* Set to TRUE after adding/removing menus to ensure they are updated */
464EXTERN int force_menu_update INIT(= FALSE);
465# endif
466# ifdef FEAT_GUI_TABLINE
467/* Tab in tab pages line just selected, set by check_termcode() */
468EXTERN int	    current_tab;
469
470/* Menu entry in tab pages line menu just selected, set by check_termcode() */
471EXTERN int	    current_tabmenu;
472#  define TABLINE_MENU_CLOSE	1
473#  define TABLINE_MENU_NEW	2
474#  define TABLINE_MENU_OPEN	3
475# endif
476
477/* Scrollbar moved and new value, set by check_termcode() */
478EXTERN int	current_scrollbar;
479EXTERN long_u	scrollbar_value;
480
481/* found "-rv" or "-reverse" in command line args */
482EXTERN int	found_reverse_arg INIT(= FALSE);
483
484/* "-fn" or "-font" command line argument */
485EXTERN char	*font_argument INIT(= NULL);
486
487# ifdef FEAT_GUI_GTK
488/* "-bg" or "-background" command line argument */
489EXTERN char	*background_argument INIT(= NULL);
490
491/* "-fg" or "-foreground" command line argument */
492EXTERN char	*foreground_argument INIT(= NULL);
493# endif
494
495/*
496 * While executing external commands or in Ex mode, should not insert GUI
497 * events in the input buffer: Set hold_gui_events to non-zero.
498 *
499 * volatile because it is used in signal handler sig_sysmouse().
500 */
501EXTERN volatile int hold_gui_events INIT(= 0);
502
503/*
504 * When resizing the shell is postponed, remember the new size, and call
505 * gui_resize_shell() later.
506 */
507EXTERN int	new_pixel_width INIT(= 0);
508EXTERN int	new_pixel_height INIT(= 0);
509
510/* Window position from ":winpos", to be used when opening the GUI window. */
511EXTERN int	gui_win_x INIT(= -1);
512EXTERN int	gui_win_y INIT(= -1);
513#endif
514
515#ifdef FEAT_CLIPBOARD
516EXTERN VimClipboard clip_star;	/* PRIMARY selection in X11 */
517# ifdef FEAT_X11
518EXTERN VimClipboard clip_plus;	/* CLIPBOARD selection in X11 */
519# else
520#  define clip_plus clip_star	/* there is only one clipboard */
521# endif
522EXTERN int	clip_unnamed INIT(= FALSE);
523EXTERN int	clip_autoselect INIT(= FALSE);
524EXTERN int	clip_autoselectml INIT(= FALSE);
525EXTERN int	clip_html INIT(= FALSE);
526EXTERN regprog_T *clip_exclude_prog INIT(= NULL);
527#endif
528
529/*
530 * All windows are linked in a list. firstwin points to the first entry,
531 * lastwin to the last entry (can be the same as firstwin) and curwin to the
532 * currently active window.
533 * Without the FEAT_WINDOWS they are all equal.
534 */
535#ifdef FEAT_WINDOWS
536EXTERN win_T	*firstwin;		/* first window */
537EXTERN win_T	*lastwin;		/* last window */
538EXTERN win_T	*prevwin INIT(= NULL);	/* previous window */
539# define W_NEXT(wp) ((wp)->w_next)
540# define FOR_ALL_WINDOWS(wp) for (wp = firstwin; wp != NULL; wp = wp->w_next)
541# define FOR_ALL_TAB_WINDOWS(tp, wp) \
542    for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next) \
543	for ((wp) = ((tp) == curtab) \
544		? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
545#else
546# define firstwin curwin
547# define lastwin curwin
548# define W_NEXT(wp) NULL
549# define FOR_ALL_WINDOWS(wp) wp = curwin;
550# define FOR_ALL_TAB_WINDOWS(tp, wp) wp = curwin;
551#endif
552
553EXTERN win_T	*curwin;	/* currently active window */
554
555#ifdef FEAT_AUTOCMD
556EXTERN win_T	*aucmd_win;	/* window used in aucmd_prepbuf() */
557EXTERN int	aucmd_win_used INIT(= FALSE);	/* aucmd_win is being used */
558#endif
559
560/*
561 * The window layout is kept in a tree of frames.  topframe points to the top
562 * of the tree.
563 */
564EXTERN frame_T	*topframe;	/* top of the window frame tree */
565
566#ifdef FEAT_WINDOWS
567/*
568 * Tab pages are alternative topframes.  "first_tabpage" points to the first
569 * one in the list, "curtab" is the current one.
570 */
571EXTERN tabpage_T    *first_tabpage;
572EXTERN tabpage_T    *curtab;
573EXTERN int	    redraw_tabline INIT(= FALSE);  /* need to redraw tabline */
574#endif
575
576/*
577 * All buffers are linked in a list. 'firstbuf' points to the first entry,
578 * 'lastbuf' to the last entry and 'curbuf' to the currently active buffer.
579 */
580EXTERN buf_T	*firstbuf INIT(= NULL);	/* first buffer */
581EXTERN buf_T	*lastbuf INIT(= NULL);	/* last buffer */
582EXTERN buf_T	*curbuf INIT(= NULL);	/* currently active buffer */
583
584/* Flag that is set when switching off 'swapfile'.  It means that all blocks
585 * are to be loaded into memory.  Shouldn't be global... */
586EXTERN int	mf_dont_release INIT(= FALSE);	/* don't release blocks */
587
588/*
589 * List of files being edited (global argument list).  curwin->w_alist points
590 * to this when the window is using the global argument list.
591 */
592EXTERN alist_T	global_alist;	/* global argument list */
593EXTERN int	arg_had_last INIT(= FALSE); /* accessed last file in
594					       global_alist */
595
596EXTERN int	ru_col;		/* column for ruler */
597#ifdef FEAT_STL_OPT
598EXTERN int	ru_wid;		/* 'rulerfmt' width of ruler when non-zero */
599#endif
600EXTERN int	sc_col;		/* column for shown command */
601
602#ifdef TEMPDIRNAMES
603EXTERN char_u	*vim_tempdir INIT(= NULL); /* Name of Vim's own temp dir.
604					      Ends in a slash. */
605#endif
606
607/*
608 * When starting or exiting some things are done differently (e.g. screen
609 * updating).
610 */
611EXTERN int	starting INIT(= NO_SCREEN);
612				/* first NO_SCREEN, then NO_BUFFERS and then
613				 * set to 0 when starting up finished */
614EXTERN int	exiting INIT(= FALSE);
615				/* TRUE when planning to exit Vim.  Might
616				 * still keep on running if there is a changed
617				 * buffer. */
618EXTERN int	really_exiting INIT(= FALSE);
619				/* TRUE when we are sure to exit, e.g., after
620				 * a deadly signal */
621/* volatile because it is used in signal handler deathtrap(). */
622EXTERN volatile int full_screen INIT(= FALSE);
623				/* TRUE when doing full-screen output
624				 * otherwise only writing some messages */
625
626EXTERN int	restricted INIT(= FALSE);
627				/* TRUE when started as "rvim" */
628EXTERN int	secure INIT(= FALSE);
629				/* non-zero when only "safe" commands are
630				 * allowed, e.g. when sourcing .exrc or .vimrc
631				 * in current directory */
632
633EXTERN int	textlock INIT(= 0);
634				/* non-zero when changing text and jumping to
635				 * another window or buffer is not allowed */
636
637#ifdef FEAT_AUTOCMD
638EXTERN int	curbuf_lock INIT(= 0);
639				/* non-zero when the current buffer can't be
640				 * changed.  Used for FileChangedRO. */
641EXTERN int	allbuf_lock INIT(= 0);
642				/* non-zero when no buffer name can be
643				 * changed, no buffer can be deleted and
644				 * current directory can't be changed.
645				 * Used for SwapExists et al. */
646#endif
647#ifdef FEAT_EVAL
648# define HAVE_SANDBOX
649EXTERN int	sandbox INIT(= 0);
650				/* Non-zero when evaluating an expression in a
651				 * "sandbox".  Several things are not allowed
652				 * then. */
653#endif
654
655EXTERN int	silent_mode INIT(= FALSE);
656				/* set to TRUE when "-s" commandline argument
657				 * used for ex */
658
659#ifdef FEAT_VISUAL
660EXTERN pos_T	VIsual;		/* start position of active Visual selection */
661EXTERN int	VIsual_active INIT(= FALSE);
662				/* whether Visual mode is active */
663EXTERN int	VIsual_select INIT(= FALSE);
664				/* whether Select mode is active */
665EXTERN int	VIsual_reselect;
666				/* whether to restart the selection after a
667				 * Select mode mapping or menu */
668
669EXTERN int	VIsual_mode INIT(= 'v');
670				/* type of Visual mode */
671
672EXTERN int	redo_VIsual_busy INIT(= FALSE);
673				/* TRUE when redoing Visual */
674#endif
675
676#ifdef FEAT_MOUSE
677/*
678 * When pasting text with the middle mouse button in visual mode with
679 * restart_edit set, remember where it started so we can set Insstart.
680 */
681EXTERN pos_T	where_paste_started;
682#endif
683
684/*
685 * This flag is used to make auto-indent work right on lines where only a
686 * <RETURN> or <ESC> is typed. It is set when an auto-indent is done, and
687 * reset when any other editing is done on the line. If an <ESC> or <RETURN>
688 * is received, and did_ai is TRUE, the line is truncated.
689 */
690EXTERN int     did_ai INIT(= FALSE);
691
692/*
693 * Column of first char after autoindent.  0 when no autoindent done.  Used
694 * when 'backspace' is 0, to avoid backspacing over autoindent.
695 */
696EXTERN colnr_T	ai_col INIT(= 0);
697
698#ifdef FEAT_COMMENTS
699/*
700 * This is a character which will end a start-middle-end comment when typed as
701 * the first character on a new line.  It is taken from the last character of
702 * the "end" comment leader when the COM_AUTO_END flag is given for that
703 * comment end in 'comments'.  It is only valid when did_ai is TRUE.
704 */
705EXTERN int     end_comment_pending INIT(= NUL);
706#endif
707
708#ifdef FEAT_SCROLLBIND
709/*
710 * This flag is set after a ":syncbind" to let the check_scrollbind() function
711 * know that it should not attempt to perform scrollbinding due to the scroll
712 * that was a result of the ":syncbind." (Otherwise, check_scrollbind() will
713 * undo some of the work done by ":syncbind.")  -ralston
714 */
715EXTERN int     did_syncbind INIT(= FALSE);
716#endif
717
718#ifdef FEAT_SMARTINDENT
719/*
720 * This flag is set when a smart indent has been performed. When the next typed
721 * character is a '{' the inserted tab will be deleted again.
722 */
723EXTERN int	did_si INIT(= FALSE);
724
725/*
726 * This flag is set after an auto indent. If the next typed character is a '}'
727 * one indent will be removed.
728 */
729EXTERN int	can_si INIT(= FALSE);
730
731/*
732 * This flag is set after an "O" command. If the next typed character is a '{'
733 * one indent will be removed.
734 */
735EXTERN int	can_si_back INIT(= FALSE);
736#endif
737
738EXTERN pos_T	saved_cursor		/* w_cursor before formatting text. */
739# ifdef DO_INIT
740	= INIT_POS_T(0, 0, 0)
741# endif
742	;
743
744/*
745 * Stuff for insert mode.
746 */
747EXTERN pos_T	Insstart;		/* This is where the latest
748					 * insert/append mode started. */
749#ifdef FEAT_VREPLACE
750/*
751 * Stuff for VREPLACE mode.
752 */
753EXTERN int	orig_line_count INIT(= 0);  /* Line count when "gR" started */
754EXTERN int	vr_lines_changed INIT(= 0); /* #Lines changed by "gR" so far */
755#endif
756
757#if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
758/* argument to SETJMP() for handling X IO errors */
759EXTERN JMP_BUF x_jump_env;
760#endif
761
762#if defined(HAVE_SETJMP_H)
763/*
764 * Stuff for setjmp() and longjmp().
765 * Used to protect areas where we could crash.
766 */
767EXTERN JMP_BUF lc_jump_env;	/* argument to SETJMP() */
768# ifdef SIGHASARG
769/* volatile because it is used in signal handlers. */
770EXTERN volatile int lc_signal;	/* caught signal number, 0 when no was signal
771				   caught; used for mch_libcall() */
772# endif
773/* volatile because it is used in signal handler deathtrap(). */
774EXTERN volatile int lc_active INIT(= FALSE); /* TRUE when lc_jump_env is valid. */
775#endif
776
777#if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
778/*
779 * These flags are set based upon 'fileencoding'.
780 * Note that "enc_utf8" is also set for "unicode", because the characters are
781 * internally stored as UTF-8 (to avoid trouble with NUL bytes).
782 */
783# define DBCS_JPN	932	/* japan */
784# define DBCS_JPNU	9932	/* euc-jp */
785# define DBCS_KOR	949	/* korea */
786# define DBCS_KORU	9949	/* euc-kr */
787# define DBCS_CHS	936	/* chinese */
788# define DBCS_CHSU	9936	/* euc-cn */
789# define DBCS_CHT	950	/* taiwan */
790# define DBCS_CHTU	9950	/* euc-tw */
791# define DBCS_2BYTE	1	/* 2byte- */
792# define DBCS_DEBUG	-1
793#endif
794
795#ifdef FEAT_MBYTE
796EXTERN int	enc_dbcs INIT(= 0);		/* One of DBCS_xxx values if
797						   DBCS encoding */
798EXTERN int	enc_unicode INIT(= 0);	/* 2: UCS-2 or UTF-16, 4: UCS-4 */
799EXTERN int	enc_utf8 INIT(= FALSE);		/* UTF-8 encoded Unicode */
800EXTERN int	enc_latin1like INIT(= TRUE);	/* 'encoding' is latin1 comp. */
801# ifdef WIN3264
802/* Codepage nr of 'encoding'.  Negative means it's not been set yet, zero
803 * means 'encoding' is not a valid codepage. */
804EXTERN int	enc_codepage INIT(= -1);
805EXTERN int	enc_latin9 INIT(= FALSE);	/* 'encoding' is latin9 */
806# endif
807EXTERN int	has_mbyte INIT(= 0);		/* any multi-byte encoding */
808
809#if defined(WIN3264) && defined(FEAT_MBYTE)
810EXTERN int	wide_WindowProc INIT(= FALSE);	/* use wide WindowProc() */
811#endif
812
813/*
814 * To speed up BYTELEN() we fill a table with the byte lengths whenever
815 * enc_utf8 or enc_dbcs changes.
816 */
817EXTERN char	mb_bytelen_tab[256];
818
819/* Variables that tell what conversion is used for keyboard input and display
820 * output. */
821EXTERN vimconv_T input_conv;			/* type of input conversion */
822EXTERN vimconv_T output_conv;			/* type of output conversion */
823
824/*
825 * Function pointers, used to quickly get to the right function.  Each has
826 * three possible values: latin_ (8-bit), utfc_ or utf_ (utf-8) and dbcs_
827 * (DBCS).
828 * The value is set in mb_init();
829 */
830/* length of char in bytes, including following composing chars */
831EXTERN int (*mb_ptr2len) __ARGS((char_u *p)) INIT(= latin_ptr2len);
832/* idem, with limit on string length */
833EXTERN int (*mb_ptr2len_len) __ARGS((char_u *p, int size)) INIT(= latin_ptr2len_len);
834/* byte length of char */
835EXTERN int (*mb_char2len) __ARGS((int c)) INIT(= latin_char2len);
836/* convert char to bytes, return the length */
837EXTERN int (*mb_char2bytes) __ARGS((int c, char_u *buf)) INIT(= latin_char2bytes);
838EXTERN int (*mb_ptr2cells) __ARGS((char_u *p)) INIT(= latin_ptr2cells);
839EXTERN int (*mb_ptr2cells_len) __ARGS((char_u *p, int size)) INIT(= latin_ptr2cells_len);
840EXTERN int (*mb_char2cells) __ARGS((int c)) INIT(= latin_char2cells);
841EXTERN int (*mb_off2cells) __ARGS((unsigned off, unsigned max_off)) INIT(= latin_off2cells);
842EXTERN int (*mb_ptr2char) __ARGS((char_u *p)) INIT(= latin_ptr2char);
843EXTERN int (*mb_head_off) __ARGS((char_u *base, char_u *p)) INIT(= latin_head_off);
844
845# if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
846/* Pointers to functions and variables to be loaded at runtime */
847EXTERN size_t (*iconv) (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
848EXTERN iconv_t (*iconv_open) (const char *tocode, const char *fromcode);
849EXTERN int (*iconv_close) (iconv_t cd);
850EXTERN int (*iconvctl) (iconv_t cd, int request, void *argument);
851EXTERN int* (*iconv_errno) (void);
852# endif
853
854#endif /* FEAT_MBYTE */
855
856#ifdef FEAT_XIM
857# ifdef FEAT_GUI_GTK
858EXTERN GtkIMContext	*xic INIT(= NULL);
859/*
860 * Start and end column of the preedit area in virtual columns from the start
861 * of the text line.  When there is no preedit area they are set to MAXCOL.
862 * "preedit_end_col" is needed for coloring the preedited string.  Drawing the
863 * color between "preedit_start_col" and curpos did not work, because some XIM
864 * set the cursor position to the first char of the string.
865 */
866EXTERN colnr_T		preedit_start_col INIT(= MAXCOL);
867EXTERN colnr_T		preedit_end_col INIT(= MAXCOL);
868
869/* "xim_changed_while_preediting" is set when changed() can set the 'modified'
870 * flag even while preediting. */
871EXTERN int		xim_changed_while_preediting INIT(= FALSE);
872# else
873EXTERN XIC		xic INIT(= NULL);
874# endif
875# ifdef FEAT_GUI
876EXTERN guicolor_T	xim_fg_color INIT(= INVALCOLOR);
877EXTERN guicolor_T	xim_bg_color INIT(= INVALCOLOR);
878# endif
879#endif
880
881#ifdef FEAT_HANGULIN
882EXTERN int		composing_hangul INIT(= 0);
883EXTERN char_u		composing_hangul_buffer[5];
884#endif
885
886/*
887 * "State" is the main state of Vim.
888 * There are other variables that modify the state:
889 * "Visual_mode"    When State is NORMAL or INSERT.
890 * "finish_op"	    When State is NORMAL, after typing the operator and before
891 *		    typing the motion command.
892 */
893EXTERN int	State INIT(= NORMAL);	/* This is the current state of the
894					 * command interpreter. */
895
896EXTERN int	finish_op INIT(= FALSE);/* TRUE while an operator is pending */
897EXTERN int	opcount INIT(= 0);	/* count for pending operator */
898
899/*
900 * ex mode (Q) state
901 */
902EXTERN int exmode_active INIT(= 0);	/* zero, EXMODE_NORMAL or EXMODE_VIM */
903EXTERN int ex_no_reprint INIT(= FALSE); /* no need to print after z or p */
904
905EXTERN int Recording INIT(= FALSE);	/* TRUE when recording into a reg. */
906EXTERN int Exec_reg INIT(= FALSE);	/* TRUE when executing a register */
907
908EXTERN int no_mapping INIT(= FALSE);	/* currently no mapping allowed */
909EXTERN int no_zero_mapping INIT(= 0);	/* mapping zero not allowed */
910EXTERN int allow_keys INIT(= FALSE);	/* allow key codes when no_mapping
911					 * is set */
912EXTERN int no_u_sync INIT(= 0);		/* Don't call u_sync() */
913
914EXTERN int restart_edit INIT(= 0);	/* call edit when next cmd finished */
915EXTERN int arrow_used;			/* Normally FALSE, set to TRUE after
916					 * hitting cursor key in insert mode.
917					 * Used by vgetorpeek() to decide when
918					 * to call u_sync() */
919EXTERN int	ins_at_eol INIT(= FALSE); /* put cursor after eol when
920					   restarting edit after CTRL-O */
921#ifdef FEAT_INS_EXPAND
922EXTERN char_u	*edit_submode INIT(= NULL); /* msg for CTRL-X submode */
923EXTERN char_u	*edit_submode_pre INIT(= NULL); /* prepended to edit_submode */
924EXTERN char_u	*edit_submode_extra INIT(= NULL);/* appended to edit_submode */
925EXTERN hlf_T	edit_submode_highl;	/* highl. method for extra info */
926EXTERN int	ctrl_x_mode INIT(= 0);	/* Which Ctrl-X mode are we in? */
927#endif
928
929EXTERN int	no_abbr INIT(= TRUE);	/* TRUE when no abbreviations loaded */
930#ifdef MSDOS
931EXTERN int	beep_count INIT(= 0);	/* nr of beeps since last char typed */
932#endif
933
934#ifdef USE_EXE_NAME
935EXTERN char_u	*exe_name;		/* the name of the executable */
936#endif
937
938#ifdef USE_ON_FLY_SCROLL
939EXTERN int	dont_scroll INIT(= FALSE);/* don't use scrollbars when TRUE */
940#endif
941EXTERN int	mapped_ctrl_c INIT(= FALSE); /* CTRL-C is mapped */
942EXTERN int	ctrl_c_interrupts INIT(= TRUE);	/* CTRL-C sets got_int */
943
944EXTERN cmdmod_T	cmdmod;			/* Ex command modifiers */
945
946EXTERN int	msg_silent INIT(= 0);	/* don't print messages */
947EXTERN int	emsg_silent INIT(= 0);	/* don't print error messages */
948EXTERN int	cmd_silent INIT(= FALSE); /* don't echo the command line */
949
950#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) \
951	|| defined(FEAT_AUTOCMD)
952# define HAS_SWAP_EXISTS_ACTION
953EXTERN int	swap_exists_action INIT(= SEA_NONE);
954					/* For dialog when swap file already
955					 * exists. */
956EXTERN int	swap_exists_did_quit INIT(= FALSE);
957					/* Selected "quit" at the dialog. */
958#endif
959
960EXTERN char_u	*IObuff;		/* sprintf's are done in this buffer,
961					   size is IOSIZE */
962EXTERN char_u	*NameBuff;		/* file names are expanded in this
963					 * buffer, size is MAXPATHL */
964EXTERN char_u	msg_buf[MSG_BUF_LEN];	/* small buffer for messages */
965
966/* When non-zero, postpone redrawing. */
967EXTERN int	RedrawingDisabled INIT(= 0);
968
969EXTERN int	readonlymode INIT(= FALSE); /* Set to TRUE for "view" */
970EXTERN int	recoverymode INIT(= FALSE); /* Set to TRUE for "-r" option */
971
972EXTERN struct buffheader stuffbuff	/* stuff buffer */
973#ifdef DO_INIT
974		    = {{NULL, {NUL}}, NULL, 0, 0}
975#endif
976		    ;
977EXTERN typebuf_T typebuf		/* typeahead buffer */
978#ifdef DO_INIT
979		    = {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}
980#endif
981		    ;
982#ifdef FEAT_EX_EXTRA
983EXTERN int	ex_normal_busy INIT(= 0); /* recursiveness of ex_normal() */
984EXTERN int	ex_normal_lock INIT(= 0); /* forbid use of ex_normal() */
985#endif
986#ifdef FEAT_EVAL
987EXTERN int	ignore_script INIT(= FALSE);  /* ignore script input */
988#endif
989EXTERN int	stop_insert_mode;	/* for ":stopinsert" and 'insertmode' */
990
991EXTERN int	KeyTyped;		/* TRUE if user typed current char */
992EXTERN int	KeyStuffed;		/* TRUE if current char from stuffbuf */
993#ifdef USE_IM_CONTROL
994EXTERN int	vgetc_im_active;	/* Input Method was active for last
995					   character obtained from vgetc() */
996#endif
997EXTERN int	maptick INIT(= 0);	/* tick for each non-mapped char */
998
999EXTERN char_u	chartab[256];		/* table used in charset.c; See
1000					   init_chartab() for explanation */
1001
1002EXTERN int	must_redraw INIT(= 0);	    /* type of redraw necessary */
1003EXTERN int	skip_redraw INIT(= FALSE);  /* skip redraw once */
1004EXTERN int	do_redraw INIT(= FALSE);    /* extra redraw once */
1005
1006EXTERN int	need_highlight_changed INIT(= TRUE);
1007EXTERN char_u	*use_viminfo INIT(= NULL);  /* name of viminfo file to use */
1008
1009#define NSCRIPT 15
1010EXTERN FILE	*scriptin[NSCRIPT];	    /* streams to read script from */
1011EXTERN int	curscript INIT(= 0);	    /* index in scriptin[] */
1012EXTERN FILE	*scriptout  INIT(= NULL);   /* stream to write script to */
1013EXTERN int	read_cmd_fd INIT(= 0);	    /* fd to read commands from */
1014
1015/* volatile because it is used in signal handler catch_sigint(). */
1016EXTERN volatile int got_int INIT(= FALSE);    /* set to TRUE when interrupt
1017						signal occurred */
1018#ifdef USE_TERM_CONSOLE
1019EXTERN int	term_console INIT(= FALSE); /* set to TRUE when console used */
1020#endif
1021EXTERN int	termcap_active INIT(= FALSE);	/* set by starttermcap() */
1022EXTERN int	cur_tmode INIT(= TMODE_COOK);	/* input terminal mode */
1023EXTERN int	bangredo INIT(= FALSE);	    /* set to TRUE with ! command */
1024EXTERN int	searchcmdlen;		    /* length of previous search cmd */
1025#ifdef FEAT_SYN_HL
1026EXTERN int	reg_do_extmatch INIT(= 0);  /* Used when compiling regexp:
1027					     * REX_SET to allow \z\(...\),
1028					     * REX_USE to allow \z\1 et al. */
1029EXTERN reg_extmatch_T *re_extmatch_in INIT(= NULL); /* Used by vim_regexec():
1030					     * strings for \z\1...\z\9 */
1031EXTERN reg_extmatch_T *re_extmatch_out INIT(= NULL); /* Set by vim_regexec()
1032					     * to store \z\(...\) matches */
1033#endif
1034
1035EXTERN int	did_outofmem_msg INIT(= FALSE);
1036					    /* set after out of memory msg */
1037EXTERN int	did_swapwrite_msg INIT(= FALSE);
1038					    /* set after swap write error msg */
1039EXTERN int	undo_off INIT(= FALSE);	    /* undo switched off for now */
1040EXTERN int	global_busy INIT(= 0);	    /* set when :global is executing */
1041EXTERN int	global_last_cmd INIT(= 0);  /* set when :global was last cmd */
1042EXTERN int	listcmd_busy INIT(= FALSE); /* set when :argdo, :windo or
1043					       :bufdo is executing */
1044EXTERN int	need_start_insertmode INIT(= FALSE);
1045					    /* start insert mode soon */
1046EXTERN char_u	*last_cmdline INIT(= NULL); /* last command line (for ":) */
1047EXTERN char_u	*repeat_cmdline INIT(= NULL); /* command line for "." */
1048#ifdef FEAT_CMDHIST
1049EXTERN char_u	*new_last_cmdline INIT(= NULL);	/* new value for last_cmdline */
1050#endif
1051#ifdef FEAT_AUTOCMD
1052EXTERN char_u	*autocmd_fname INIT(= NULL); /* fname for <afile> on cmdline */
1053EXTERN int	autocmd_fname_full;	     /* autocmd_fname is full path */
1054EXTERN int	autocmd_bufnr INIT(= 0);     /* fnum for <abuf> on cmdline */
1055EXTERN char_u	*autocmd_match INIT(= NULL); /* name for <amatch> on cmdline */
1056EXTERN int	did_cursorhold INIT(= FALSE); /* set when CursorHold t'gerd */
1057EXTERN pos_T	last_cursormoved	    /* for CursorMoved event */
1058# ifdef DO_INIT
1059			= INIT_POS_T(0, 0, 0)
1060# endif
1061			;
1062#endif
1063
1064EXTERN linenr_T	write_no_eol_lnum INIT(= 0); /* non-zero lnum when last line
1065						of next binary write should
1066						not have an end-of-line */
1067
1068#ifdef FEAT_WINDOWS
1069EXTERN int	postponed_split INIT(= 0);  /* for CTRL-W CTRL-] command */
1070EXTERN int	postponed_split_flags INIT(= 0);  /* args for win_split() */
1071EXTERN int	postponed_split_tab INIT(= 0);  /* cmdmod.tab */
1072# ifdef FEAT_QUICKFIX
1073EXTERN int	g_do_tagpreview INIT(= 0);  /* for tag preview commands:
1074					       height of preview window */
1075# endif
1076#endif
1077EXTERN int	replace_offset INIT(= 0);   /* offset for replace_push() */
1078
1079EXTERN char_u	*escape_chars INIT(= (char_u *)" \t\\\"|");
1080					    /* need backslash in cmd line */
1081
1082EXTERN int	keep_help_flag INIT(= FALSE); /* doing :ta from help file */
1083
1084/*
1085 * When a string option is NULL (which only happens in out-of-memory
1086 * situations), it is set to empty_option, to avoid having to check for NULL
1087 * everywhere.
1088 */
1089EXTERN char_u	*empty_option INIT(= (char_u *)"");
1090
1091EXTERN int  redir_off INIT(= FALSE);	/* no redirection for a moment */
1092EXTERN FILE *redir_fd INIT(= NULL);	/* message redirection file */
1093#ifdef FEAT_EVAL
1094EXTERN int  redir_reg INIT(= 0);	/* message redirection register */
1095EXTERN int  redir_vname INIT(= 0);	/* message redirection variable */
1096#endif
1097
1098#ifdef FEAT_LANGMAP
1099EXTERN char_u	langmap_mapchar[256];	/* mapping for language keys */
1100#endif
1101
1102#ifdef FEAT_WILDMENU
1103EXTERN int  save_p_ls INIT(= -1);	/* Save 'laststatus' setting */
1104EXTERN int  save_p_wmh INIT(= -1);	/* Save 'winminheight' setting */
1105EXTERN int  wild_menu_showing INIT(= 0);
1106#define WM_SHOWN	1		/* wildmenu showing */
1107#define WM_SCROLLED	2		/* wildmenu showing with scroll */
1108#endif
1109
1110#ifdef MSWIN
1111EXTERN char_u	toupper_tab[256];	/* table for toupper() */
1112EXTERN char_u	tolower_tab[256];	/* table for tolower() */
1113#endif
1114
1115#ifdef FEAT_LINEBREAK
1116EXTERN char	breakat_flags[256];	/* which characters are in 'breakat' */
1117#endif
1118
1119/* these are in version.c */
1120extern char *Version;
1121#if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC)
1122extern char longVersion[];
1123#else
1124extern char *longVersion;
1125#endif
1126
1127/*
1128 * Some file names are stored in pathdef.c, which is generated from the
1129 * Makefile to make their value depend on the Makefile.
1130 */
1131#ifdef HAVE_PATHDEF
1132extern char_u *default_vim_dir;
1133extern char_u *default_vimruntime_dir;
1134extern char_u *all_cflags;
1135extern char_u *all_lflags;
1136# ifdef VMS
1137extern char_u *compiler_version;
1138extern char_u *compiled_arch;
1139# endif
1140extern char_u *compiled_user;
1141extern char_u *compiled_sys;
1142#endif
1143
1144/* When a window has a local directory, the absolute path of the global
1145 * current directory is stored here (in allocated memory).  If the current
1146 * directory is not a local directory, globaldir is NULL. */
1147EXTERN char_u	*globaldir INIT(= NULL);
1148
1149/* Characters from 'listchars' option */
1150EXTERN int	lcs_eol INIT(= '$');
1151EXTERN int	lcs_ext INIT(= NUL);
1152EXTERN int	lcs_prec INIT(= NUL);
1153EXTERN int	lcs_nbsp INIT(= NUL);
1154EXTERN int	lcs_tab1 INIT(= NUL);
1155EXTERN int	lcs_tab2 INIT(= NUL);
1156EXTERN int	lcs_trail INIT(= NUL);
1157#ifdef FEAT_CONCEAL
1158EXTERN int	lcs_conceal INIT(= '-');
1159#endif
1160
1161#if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) \
1162	|| defined(FEAT_FOLDING)
1163/* Characters from 'fillchars' option */
1164EXTERN int	fill_stl INIT(= ' ');
1165EXTERN int	fill_stlnc INIT(= ' ');
1166#endif
1167#if defined(FEAT_WINDOWS) || defined(FEAT_FOLDING)
1168EXTERN int	fill_vert INIT(= ' ');
1169EXTERN int	fill_fold INIT(= '-');
1170EXTERN int	fill_diff INIT(= '-');
1171#endif
1172
1173#ifdef FEAT_VISUAL
1174/* Whether 'keymodel' contains "stopsel" and "startsel". */
1175EXTERN int	km_stopsel INIT(= FALSE);
1176EXTERN int	km_startsel INIT(= FALSE);
1177#endif
1178
1179#ifdef FEAT_CMDWIN
1180EXTERN int	cedit_key INIT(= -1);	/* key value of 'cedit' option */
1181EXTERN int	cmdwin_type INIT(= 0);	/* type of cmdline window or 0 */
1182EXTERN int	cmdwin_result INIT(= 0); /* result of cmdline window or 0 */
1183#endif
1184
1185EXTERN char_u no_lines_msg[]	INIT(= N_("--No lines in buffer--"));
1186
1187/*
1188 * When ":global" is used to number of substitutions and changed lines is
1189 * accumulated until it's finished.
1190 * Also used for ":spellrepall".
1191 */
1192EXTERN long	sub_nsubs;	/* total number of substitutions */
1193EXTERN linenr_T	sub_nlines;	/* total number of lines changed */
1194
1195/* table to store parsed 'wildmode' */
1196EXTERN char_u	wim_flags[4];
1197
1198#if defined(FEAT_TITLE) && defined(FEAT_STL_OPT)
1199/* whether titlestring and iconstring contains statusline syntax */
1200# define STL_IN_ICON	1
1201# define STL_IN_TITLE	2
1202EXTERN int      stl_syntax INIT(= 0);
1203#endif
1204
1205#ifdef FEAT_SEARCH_EXTRA
1206/* don't use 'hlsearch' temporarily */
1207EXTERN int	no_hlsearch INIT(= FALSE);
1208#endif
1209
1210#if defined(FEAT_BEVAL) && !defined(NO_X11_INCLUDES)
1211EXTERN BalloonEval	*balloonEval INIT(= NULL);
1212# if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP)
1213EXTERN int bevalServers INIT(= 0);
1214#  define BEVAL_NETBEANS		0x01
1215#  define BEVAL_WORKSHOP		0x02
1216# endif
1217#endif
1218
1219#ifdef CURSOR_SHAPE
1220/* the table is in misc2.c, because of initializations */
1221extern cursorentry_T shape_table[SHAPE_IDX_COUNT];
1222#endif
1223
1224#ifdef FEAT_PRINTER
1225/*
1226 * Printer stuff shared between hardcopy.c and machine-specific printing code.
1227 */
1228# define OPT_PRINT_TOP		0
1229# define OPT_PRINT_BOT		1
1230# define OPT_PRINT_LEFT		2
1231# define OPT_PRINT_RIGHT	3
1232# define OPT_PRINT_HEADERHEIGHT	4
1233# define OPT_PRINT_SYNTAX	5
1234# define OPT_PRINT_NUMBER	6
1235# define OPT_PRINT_WRAP		7
1236# define OPT_PRINT_DUPLEX	8
1237# define OPT_PRINT_PORTRAIT	9
1238# define OPT_PRINT_PAPER	10
1239# define OPT_PRINT_COLLATE	11
1240# define OPT_PRINT_JOBSPLIT	12
1241# define OPT_PRINT_FORMFEED	13
1242
1243# define OPT_PRINT_NUM_OPTIONS	14
1244
1245EXTERN option_table_T printer_opts[OPT_PRINT_NUM_OPTIONS]
1246# ifdef DO_INIT
1247 =
1248{
1249    {"top",	TRUE, 0, NULL, 0, FALSE},
1250    {"bottom",	TRUE, 0, NULL, 0, FALSE},
1251    {"left",	TRUE, 0, NULL, 0, FALSE},
1252    {"right",	TRUE, 0, NULL, 0, FALSE},
1253    {"header",	TRUE, 0, NULL, 0, FALSE},
1254    {"syntax",	FALSE, 0, NULL, 0, FALSE},
1255    {"number",	FALSE, 0, NULL, 0, FALSE},
1256    {"wrap",	FALSE, 0, NULL, 0, FALSE},
1257    {"duplex",	FALSE, 0, NULL, 0, FALSE},
1258    {"portrait", FALSE, 0, NULL, 0, FALSE},
1259    {"paper",	FALSE, 0, NULL, 0, FALSE},
1260    {"collate",	FALSE, 0, NULL, 0, FALSE},
1261    {"jobsplit", FALSE, 0, NULL, 0, FALSE},
1262    {"formfeed", FALSE, 0, NULL, 0, FALSE},
1263}
1264# endif
1265;
1266
1267/* For prt_get_unit(). */
1268# define PRT_UNIT_NONE	-1
1269# define PRT_UNIT_PERC	0
1270# define PRT_UNIT_INCH	1
1271# define PRT_UNIT_MM	2
1272# define PRT_UNIT_POINT	3
1273# define PRT_UNIT_NAMES {"pc", "in", "mm", "pt"}
1274#endif
1275
1276#if (defined(FEAT_PRINTER) && defined(FEAT_STL_OPT)) \
1277	    || defined(FEAT_GUI_TABLINE)
1278/* Page number used for %N in 'pageheader' and 'guitablabel'. */
1279EXTERN linenr_T printer_page_num;
1280#endif
1281
1282#ifdef FEAT_XCLIPBOARD
1283EXTERN char	*xterm_display INIT(= NULL);	/* xterm display name; points
1284						   into argv[] */
1285EXTERN Display	*xterm_dpy INIT(= NULL);	/* xterm display pointer */
1286#endif
1287#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11)
1288EXTERN XtAppContext app_context INIT(= (XtAppContext)NULL);
1289#endif
1290
1291#ifdef FEAT_GUI_GTK
1292EXTERN guint32	gtk_socket_id INIT(= 0);
1293EXTERN int	echo_wid_arg INIT(= FALSE);	/* --echo-wid argument */
1294#endif
1295
1296#ifdef FEAT_GUI_W32
1297/*
1298 * The value of the --windowid argument.
1299 * For embedding gvim inside another application.
1300 */
1301EXTERN long_u	win_socket_id INIT(= 0);
1302#endif
1303
1304#if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL)
1305EXTERN int	typebuf_was_filled INIT(= FALSE); /* received text from client
1306						     or from feedkeys() */
1307#endif
1308
1309#ifdef FEAT_CLIENTSERVER
1310EXTERN char_u	*serverName INIT(= NULL);	/* name of the server */
1311# ifdef FEAT_X11
1312EXTERN Window	commWindow INIT(= None);
1313EXTERN Window	clientWindow INIT(= None);
1314EXTERN Atom	commProperty INIT(= None);
1315EXTERN char_u	*serverDelayedStartName INIT(= NULL);
1316# else
1317# ifdef PROTO
1318typedef int HWND;
1319# endif
1320EXTERN HWND	clientWindow INIT(= 0);
1321# endif
1322#endif
1323
1324#if defined(UNIX) || defined(VMS)
1325EXTERN int	term_is_xterm INIT(= FALSE);	/* xterm-like 'term' */
1326#endif
1327
1328#ifdef BACKSLASH_IN_FILENAME
1329EXTERN char	psepc INIT(= '\\');	/* normal path separator character */
1330EXTERN char	psepcN INIT(= '/');	/* abnormal path separator character */
1331EXTERN char	pseps[2]		/* normal path separator string */
1332# ifdef DO_INIT
1333			= {'\\', 0}
1334# endif
1335			;
1336#endif
1337
1338#ifdef FEAT_VIRTUALEDIT
1339/* Set to TRUE when an operator is being executed with virtual editing, MAYBE
1340 * when no operator is being executed, FALSE otherwise. */
1341EXTERN int	virtual_op INIT(= MAYBE);
1342#endif
1343
1344#ifdef FEAT_SYN_HL
1345/* Display tick, incremented for each call to update_screen() */
1346EXTERN disptick_T	display_tick INIT(= 0);
1347#endif
1348
1349#ifdef FEAT_SPELL
1350/* Line in which spell checking wasn't highlighted because it touched the
1351 * cursor position in Insert mode. */
1352EXTERN linenr_T		spell_redraw_lnum INIT(= 0);
1353#endif
1354
1355#ifdef FEAT_CONCEAL
1356/* Set when the cursor line needs to be redrawn. */
1357EXTERN int		need_cursor_line_redraw INIT(= FALSE);
1358#endif
1359
1360#ifdef ALT_X_INPUT
1361/* we need to be able to go into the dispatch loop while processing a command
1362 * received via alternate input. However, we don't want to process another
1363 * command until the first is completed.
1364 */
1365EXTERN int	suppress_alternate_input INIT(= FALSE);
1366#endif
1367
1368#ifdef USE_MCH_ERRMSG
1369/* Grow array to collect error messages in until they can be displayed. */
1370EXTERN garray_T error_ga
1371# ifdef DO_INIT
1372	= {0, 0, 0, 0, NULL}
1373# endif
1374	;
1375#endif
1376
1377#ifdef FEAT_NETBEANS_INTG
1378EXTERN char *netbeansArg INIT(= NULL);	/* the -nb[:host:port:passwd] arg */
1379EXTERN int netbeansFireChanges INIT(= 1); /* send buffer changes if != 0 */
1380EXTERN int netbeansForcedQuit INIT(= 0);/* don't write modified files */
1381EXTERN int netbeansReadFile INIT(= 1);	/* OK to read from disk if != 0 */
1382EXTERN int netbeansSuppressNoLines INIT(= 0); /* skip "No lines in buffer" */
1383#endif
1384
1385/*
1386 * The error messages that can be shared are included here.
1387 * Excluded are errors that are only used once and debugging messages.
1388 */
1389EXTERN char_u e_abort[]		INIT(= N_("E470: Command aborted"));
1390EXTERN char_u e_argreq[]	INIT(= N_("E471: Argument required"));
1391EXTERN char_u e_backslash[]	INIT(= N_("E10: \\ should be followed by /, ? or &"));
1392#ifdef FEAT_CMDWIN
1393EXTERN char_u e_cmdwin[]	INIT(= N_("E11: Invalid in command-line window; <CR> executes, CTRL-C quits"));
1394#endif
1395EXTERN char_u e_curdir[]	INIT(= N_("E12: Command not allowed from exrc/vimrc in current dir or tag search"));
1396#ifdef FEAT_EVAL
1397EXTERN char_u e_endif[]		INIT(= N_("E171: Missing :endif"));
1398EXTERN char_u e_endtry[]	INIT(= N_("E600: Missing :endtry"));
1399EXTERN char_u e_endwhile[]	INIT(= N_("E170: Missing :endwhile"));
1400EXTERN char_u e_endfor[]	INIT(= N_("E170: Missing :endfor"));
1401EXTERN char_u e_while[]		INIT(= N_("E588: :endwhile without :while"));
1402EXTERN char_u e_for[]		INIT(= N_("E588: :endfor without :for"));
1403#endif
1404EXTERN char_u e_exists[]	INIT(= N_("E13: File exists (add ! to override)"));
1405EXTERN char_u e_failed[]	INIT(= N_("E472: Command failed"));
1406#if defined(FEAT_GUI) && defined(FEAT_XFONTSET)
1407EXTERN char_u e_fontset[]	INIT(= N_("E234: Unknown fontset: %s"));
1408#endif
1409#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(MACOS) \
1410	|| defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MSWIN)
1411EXTERN char_u e_font[]		INIT(= N_("E235: Unknown font: %s"));
1412#endif
1413#if defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)
1414EXTERN char_u e_fontwidth[]	INIT(= N_("E236: Font \"%s\" is not fixed-width"));
1415#endif
1416EXTERN char_u e_internal[]	INIT(= N_("E473: Internal error"));
1417EXTERN char_u e_interr[]	INIT(= N_("Interrupted"));
1418EXTERN char_u e_invaddr[]	INIT(= N_("E14: Invalid address"));
1419EXTERN char_u e_invarg[]	INIT(= N_("E474: Invalid argument"));
1420EXTERN char_u e_invarg2[]	INIT(= N_("E475: Invalid argument: %s"));
1421#ifdef FEAT_EVAL
1422EXTERN char_u e_invexpr2[]	INIT(= N_("E15: Invalid expression: %s"));
1423#endif
1424EXTERN char_u e_invrange[]	INIT(= N_("E16: Invalid range"));
1425EXTERN char_u e_invcmd[]	INIT(= N_("E476: Invalid command"));
1426#if defined(UNIX) || defined(FEAT_SYN_HL) || defined(FEAT_SPELL)
1427EXTERN char_u e_isadir2[]	INIT(= N_("E17: \"%s\" is a directory"));
1428#endif
1429#ifdef FEAT_LIBCALL
1430EXTERN char_u e_libcall[]	INIT(= N_("E364: Library call failed for \"%s()\""));
1431#endif
1432#if defined(DYNAMIC_PERL) \
1433	|| defined(DYNAMIC_PYTHON) || defined(DYNAMIC_PYTHON3) \
1434	|| defined(DYNAMIC_RUBY) \
1435	|| defined(DYNAMIC_TCL) \
1436	|| defined(DYNAMIC_ICONV) \
1437	|| defined(DYNAMIC_GETTEXT) \
1438	|| defined(DYNAMIC_MZSCHEME) \
1439	|| defined(DYNAMIC_LUA)
1440EXTERN char_u e_loadlib[]	INIT(= N_("E370: Could not load library %s"));
1441EXTERN char_u e_loadfunc[]	INIT(= N_("E448: Could not load library function %s"));
1442#endif
1443EXTERN char_u e_markinval[]	INIT(= N_("E19: Mark has invalid line number"));
1444EXTERN char_u e_marknotset[]	INIT(= N_("E20: Mark not set"));
1445EXTERN char_u e_modifiable[]	INIT(= N_("E21: Cannot make changes, 'modifiable' is off"));
1446EXTERN char_u e_nesting[]	INIT(= N_("E22: Scripts nested too deep"));
1447EXTERN char_u e_noalt[]		INIT(= N_("E23: No alternate file"));
1448EXTERN char_u e_noabbr[]	INIT(= N_("E24: No such abbreviation"));
1449EXTERN char_u e_nobang[]	INIT(= N_("E477: No ! allowed"));
1450#ifndef FEAT_GUI
1451EXTERN char_u e_nogvim[]	INIT(= N_("E25: GUI cannot be used: Not enabled at compile time"));
1452#endif
1453#ifndef FEAT_RIGHTLEFT
1454EXTERN char_u e_nohebrew[]	INIT(= N_("E26: Hebrew cannot be used: Not enabled at compile time\n"));
1455#endif
1456#ifndef FEAT_FKMAP
1457EXTERN char_u e_nofarsi[]	INIT(= N_("E27: Farsi cannot be used: Not enabled at compile time\n"));
1458#endif
1459#ifndef FEAT_ARABIC
1460EXTERN char_u e_noarabic[]	INIT(= N_("E800: Arabic cannot be used: Not enabled at compile time\n"));
1461#endif
1462#if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_SYN_HL)
1463EXTERN char_u e_nogroup[]	INIT(= N_("E28: No such highlight group name: %s"));
1464#endif
1465EXTERN char_u e_noinstext[]	INIT(= N_("E29: No inserted text yet"));
1466EXTERN char_u e_nolastcmd[]	INIT(= N_("E30: No previous command line"));
1467EXTERN char_u e_nomap[]		INIT(= N_("E31: No such mapping"));
1468EXTERN char_u e_nomatch[]	INIT(= N_("E479: No match"));
1469EXTERN char_u e_nomatch2[]	INIT(= N_("E480: No match: %s"));
1470EXTERN char_u e_noname[]	INIT(= N_("E32: No file name"));
1471EXTERN char_u e_nopresub[]	INIT(= N_("E33: No previous substitute regular expression"));
1472EXTERN char_u e_noprev[]	INIT(= N_("E34: No previous command"));
1473EXTERN char_u e_noprevre[]	INIT(= N_("E35: No previous regular expression"));
1474EXTERN char_u e_norange[]	INIT(= N_("E481: No range allowed"));
1475#ifdef FEAT_WINDOWS
1476EXTERN char_u e_noroom[]	INIT(= N_("E36: Not enough room"));
1477#endif
1478#ifdef FEAT_CLIENTSERVER
1479EXTERN char_u e_noserver[]	INIT(= N_("E247: no registered server named \"%s\""));
1480#endif
1481EXTERN char_u e_notcreate[]	INIT(= N_("E482: Can't create file %s"));
1482EXTERN char_u e_notmp[]		INIT(= N_("E483: Can't get temp file name"));
1483EXTERN char_u e_notopen[]	INIT(= N_("E484: Can't open file %s"));
1484EXTERN char_u e_notread[]	INIT(= N_("E485: Can't read file %s"));
1485EXTERN char_u e_nowrtmsg[]	INIT(= N_("E37: No write since last change (add ! to override)"));
1486EXTERN char_u e_null[]		INIT(= N_("E38: Null argument"));
1487#ifdef FEAT_DIGRAPHS
1488EXTERN char_u e_number_exp[]	INIT(= N_("E39: Number expected"));
1489#endif
1490#ifdef FEAT_QUICKFIX
1491EXTERN char_u e_openerrf[]	INIT(= N_("E40: Can't open errorfile %s"));
1492#endif
1493#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
1494EXTERN char_u e_opendisp[]	INIT(= N_("E233: cannot open display"));
1495#endif
1496EXTERN char_u e_outofmem[]	INIT(= N_("E41: Out of memory!"));
1497#ifdef FEAT_INS_EXPAND
1498EXTERN char_u e_patnotf[]	INIT(= N_("Pattern not found"));
1499#endif
1500EXTERN char_u e_patnotf2[]	INIT(= N_("E486: Pattern not found: %s"));
1501EXTERN char_u e_positive[]	INIT(= N_("E487: Argument must be positive"));
1502#if defined(UNIX) || defined(FEAT_SESSION)
1503EXTERN char_u e_prev_dir[]	INIT(= N_("E459: Cannot go back to previous directory"));
1504#endif
1505
1506#ifdef FEAT_QUICKFIX
1507EXTERN char_u e_quickfix[]	INIT(= N_("E42: No Errors"));
1508EXTERN char_u e_loclist[]	INIT(= N_("E776: No location list"));
1509#endif
1510EXTERN char_u e_re_damg[]	INIT(= N_("E43: Damaged match string"));
1511EXTERN char_u e_re_corr[]	INIT(= N_("E44: Corrupted regexp program"));
1512EXTERN char_u e_readonly[]	INIT(= N_("E45: 'readonly' option is set (add ! to override)"));
1513#ifdef FEAT_EVAL
1514EXTERN char_u e_readonlyvar[]	INIT(= N_("E46: Cannot change read-only variable \"%s\""));
1515EXTERN char_u e_readonlysbx[]	INIT(= N_("E794: Cannot set variable in the sandbox: \"%s\""));
1516#endif
1517#ifdef FEAT_QUICKFIX
1518EXTERN char_u e_readerrf[]	INIT(= N_("E47: Error while reading errorfile"));
1519#endif
1520#ifdef HAVE_SANDBOX
1521EXTERN char_u e_sandbox[]	INIT(= N_("E48: Not allowed in sandbox"));
1522#endif
1523EXTERN char_u e_secure[]	INIT(= N_("E523: Not allowed here"));
1524#if defined(AMIGA) || defined(MACOS) || defined(MSWIN) || defined(RISCOS) \
1525	|| defined(UNIX) || defined(VMS) || defined(OS2)
1526EXTERN char_u e_screenmode[]	INIT(= N_("E359: Screen mode setting not supported"));
1527#endif
1528EXTERN char_u e_scroll[]	INIT(= N_("E49: Invalid scroll size"));
1529EXTERN char_u e_shellempty[]	INIT(= N_("E91: 'shell' option is empty"));
1530#if defined(FEAT_SIGN_ICONS) && !defined(FEAT_GUI_GTK)
1531EXTERN char_u e_signdata[]	INIT(= N_("E255: Couldn't read in sign data!"));
1532#endif
1533EXTERN char_u e_swapclose[]	INIT(= N_("E72: Close error on swap file"));
1534EXTERN char_u e_tagstack[]	INIT(= N_("E73: tag stack empty"));
1535EXTERN char_u e_toocompl[]	INIT(= N_("E74: Command too complex"));
1536EXTERN char_u e_longname[]	INIT(= N_("E75: Name too long"));
1537EXTERN char_u e_toomsbra[]	INIT(= N_("E76: Too many ["));
1538EXTERN char_u e_toomany[]	INIT(= N_("E77: Too many file names"));
1539EXTERN char_u e_trailing[]	INIT(= N_("E488: Trailing characters"));
1540EXTERN char_u e_umark[]		INIT(= N_("E78: Unknown mark"));
1541EXTERN char_u e_wildexpand[]	INIT(= N_("E79: Cannot expand wildcards"));
1542#ifdef FEAT_WINDOWS
1543EXTERN char_u e_winheight[]	INIT(= N_("E591: 'winheight' cannot be smaller than 'winminheight'"));
1544# ifdef FEAT_VERTSPLIT
1545EXTERN char_u e_winwidth[]	INIT(= N_("E592: 'winwidth' cannot be smaller than 'winminwidth'"));
1546# endif
1547#endif
1548EXTERN char_u e_write[]		INIT(= N_("E80: Error while writing"));
1549EXTERN char_u e_zerocount[]	INIT(= N_("Zero count"));
1550#ifdef FEAT_EVAL
1551EXTERN char_u e_usingsid[]	INIT(= N_("E81: Using <SID> not in a script context"));
1552#endif
1553#ifdef FEAT_CLIENTSERVER
1554EXTERN char_u e_invexprmsg[]	INIT(= N_("E449: Invalid expression received"));
1555#endif
1556#ifdef FEAT_NETBEANS_INTG
1557EXTERN char_u e_guarded[]	INIT(= N_("E463: Region is guarded, cannot modify"));
1558EXTERN char_u e_nbreadonly[]	INIT(= N_("E744: NetBeans does not allow changes in read-only files"));
1559#endif
1560EXTERN char_u e_intern2[]	INIT(= N_("E685: Internal error: %s"));
1561EXTERN char_u e_maxmempat[]	INIT(= N_("E363: pattern uses more memory than 'maxmempattern'"));
1562EXTERN char_u e_emptybuf[]	INIT(= N_("E749: empty buffer"));
1563
1564#ifdef FEAT_EX_EXTRA
1565EXTERN char_u e_invalpat[]	INIT(= N_("E682: Invalid search pattern or delimiter"));
1566#endif
1567EXTERN char_u e_bufloaded[]	INIT(= N_("E139: File is loaded in another buffer"));
1568#if defined(FEAT_SYN_HL) || \
1569	(defined(FEAT_INS_EXPAND) && defined(FEAT_COMPL_FUNC))
1570EXTERN char_u e_notset[]	INIT(= N_("E764: Option '%s' is not set"));
1571#endif
1572
1573#ifdef MACOS_X_UNIX
1574EXTERN short disallow_gui	INIT(= FALSE);
1575#endif
1576
1577EXTERN char top_bot_msg[] INIT(= N_("search hit TOP, continuing at BOTTOM"));
1578EXTERN char bot_top_msg[] INIT(= N_("search hit BOTTOM, continuing at TOP"));
1579
1580#ifdef FEAT_CRYPT
1581EXTERN char need_key_msg[] INIT(= N_("Need encryption key for \"%s\""));
1582#endif
1583
1584/*
1585 * Comms. with the session manager (XSMP)
1586 */
1587#ifdef USE_XSMP
1588EXTERN int xsmp_icefd INIT(= -1);   /* The actual connection */
1589#endif
1590
1591/* For undo we need to know the lowest time possible. */
1592EXTERN time_t starttime;
1593
1594#ifdef STARTUPTIME
1595EXTERN FILE *time_fd INIT(= NULL);  /* where to write startup timing */
1596#endif
1597
1598/*
1599 * Some compilers warn for not using a return value, but in some situations we
1600 * can't do anything useful with the value.  Assign to this variable to avoid
1601 * the warning.
1602 */
1603EXTERN int ignored;
1604EXTERN char *ignoredp;
1605
1606/*
1607 * Optional Farsi support.  Include it here, so EXTERN and INIT are defined.
1608 */
1609#ifdef FEAT_FKMAP
1610# include "farsi.h"
1611#endif
1612
1613/*
1614 * Optional Arabic support. Include it here, so EXTERN and INIT are defined.
1615 */
1616#ifdef FEAT_ARABIC
1617# include "arabic.h"
1618#endif
1619