xref: /vim-8.2.3635/src/globals.h (revision 0526815c)
1 /* vi:set ts=8 sts=4 sw=4 noet:
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  * Number of Rows and Columns in the screen.
15  * Must be long to be able to use them as options in option.c.
16  * Note: Use screen_Rows and screen_Columns to access items in ScreenLines[].
17  * They may have different values when the screen wasn't (re)allocated yet
18  * after setting Rows or Columns (e.g., when starting up).
19  */
20 EXTERN long	Rows			// nr of rows in the screen
21 #ifdef DO_INIT
22 # if defined(MSWIN)
23 			    = 25L
24 # else
25 			    = 24L
26 # endif
27 #endif
28 			    ;
29 EXTERN long	Columns INIT(= 80);	// nr of columns in the screen
30 
31 /*
32  * The characters that are currently on the screen are kept in ScreenLines[].
33  * It is a single block of characters, the size of the screen plus one line.
34  * The attributes for those characters are kept in ScreenAttrs[].
35  *
36  * "LineOffset[n]" is the offset from ScreenLines[] for the start of line 'n'.
37  * The same value is used for ScreenLinesUC[] and ScreenAttrs[].
38  *
39  * Note: before the screen is initialized and when out of memory these can be
40  * NULL.
41  */
42 EXTERN schar_T	*ScreenLines INIT(= NULL);
43 EXTERN sattr_T	*ScreenAttrs INIT(= NULL);
44 EXTERN unsigned	*LineOffset INIT(= NULL);
45 EXTERN char_u	*LineWraps INIT(= NULL);	// line wraps to next line
46 
47 /*
48  * When using Unicode characters (in UTF-8 encoding) the character in
49  * ScreenLinesUC[] contains the Unicode for the character at this position, or
50  * NUL when the character in ScreenLines[] is to be used (ASCII char).
51  * The composing characters are to be drawn on top of the original character.
52  * ScreenLinesC[0][off] is only to be used when ScreenLinesUC[off] != 0.
53  * Note: These three are only allocated when enc_utf8 is set!
54  */
55 EXTERN u8char_T	*ScreenLinesUC INIT(= NULL);	// decoded UTF-8 characters
56 EXTERN u8char_T	*ScreenLinesC[MAX_MCO];		// composing characters
57 EXTERN int	Screen_mco INIT(= 0);		// value of p_mco used when
58 						// allocating ScreenLinesC[]
59 
60 // Only used for euc-jp: Second byte of a character that starts with 0x8e.
61 // These are single-width.
62 EXTERN schar_T	*ScreenLines2 INIT(= NULL);
63 
64 /*
65  * Buffer for one screen line (characters and attributes).
66  */
67 EXTERN schar_T	*current_ScreenLine INIT(= NULL);
68 
69 /*
70  * Last known cursor position.
71  * Positioning the cursor is reduced by remembering the last position.
72  * Mostly used by windgoto() and screen_char().
73  */
74 EXTERN int	screen_cur_row INIT(= 0);
75 EXTERN int	screen_cur_col INIT(= 0);
76 
77 #ifdef FEAT_SEARCH_EXTRA
78 EXTERN match_T	screen_search_hl; // used for 'hlsearch' highlight matching
79 #endif
80 
81 #ifdef FEAT_FOLDING
82 EXTERN foldinfo_T win_foldinfo;	// info for 'foldcolumn'
83 #endif
84 
85 // Flag that is set when drawing for a callback, not from the main command
86 // loop.
87 EXTERN int redrawing_for_callback INIT(= 0);
88 
89 /*
90  * Indexes for tab page line:
91  *	N > 0 for label of tab page N
92  *	N == 0 for no label
93  *	N < 0 for closing tab page -N
94  *	N == -999 for closing current tab page
95  */
96 EXTERN short	*TabPageIdxs INIT(= NULL);
97 
98 #ifdef FEAT_PROP_POPUP
99 // Array with size Rows x Columns containing zindex of popups.
100 EXTERN short	*popup_mask INIT(= NULL);
101 EXTERN short	*popup_mask_next INIT(= NULL);
102 // Array with flags for transparent cells of current popup.
103 EXTERN char	*popup_transparent INIT(= NULL);
104 
105 // Flag set to TRUE when popup_mask needs to be updated.
106 EXTERN int	popup_mask_refresh INIT(= TRUE);
107 
108 // Tab that was used to fill popup_mask.
109 EXTERN tabpage_T *popup_mask_tab INIT(= NULL);
110 
111 // Zindex in for screen_char(): if lower than the value in "popup_mask"
112 // drawing the character is skipped.
113 EXTERN int	screen_zindex INIT(= 0);
114 #endif
115 
116 EXTERN int	screen_Rows INIT(= 0);	    // actual size of ScreenLines[]
117 EXTERN int	screen_Columns INIT(= 0);   // actual size of ScreenLines[]
118 
119 /*
120  * When vgetc() is called, it sets mod_mask to the set of modifiers that are
121  * held down based on the MOD_MASK_* symbols that are read first.
122  */
123 EXTERN int	mod_mask INIT(= 0);		// current key modifiers
124 
125 // The value of "mod_mask" and the unomdified character before calling
126 // merge_modifyOtherKeys().
127 EXTERN int	vgetc_mod_mask INIT(= 0);
128 EXTERN int	vgetc_char INIT(= 0);
129 
130 /*
131  * Cmdline_row is the row where the command line starts, just below the
132  * last window.
133  * When the cmdline gets longer than the available space the screen gets
134  * scrolled up. After a CTRL-D (show matches), after hitting ':' after
135  * "hit return", and for the :global command, the command line is
136  * temporarily moved.  The old position is restored with the next call to
137  * update_screen().
138  */
139 EXTERN int	cmdline_row;
140 
141 EXTERN int	redraw_cmdline INIT(= FALSE);	// cmdline must be redrawn
142 EXTERN int	redraw_mode INIT(= FALSE);	// mode must be redrawn
143 EXTERN int	clear_cmdline INIT(= FALSE);	// cmdline must be cleared
144 EXTERN int	mode_displayed INIT(= FALSE);	// mode is being displayed
145 EXTERN int	no_win_do_lines_ins INIT(= FALSE); // don't insert lines
146 #if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
147 EXTERN int	cmdline_star INIT(= FALSE);	// cmdline is crypted
148 #endif
149 
150 EXTERN int	exec_from_reg INIT(= FALSE);	// executing register
151 
152 EXTERN int	screen_cleared INIT(= FALSE);	// screen has been cleared
153 
154 /*
155  * When '$' is included in 'cpoptions' option set:
156  * When a change command is given that deletes only part of a line, a dollar
157  * is put at the end of the changed text. dollar_vcol is set to the virtual
158  * column of this '$'.  -1 is used to indicate no $ is being displayed.
159  */
160 EXTERN colnr_T	dollar_vcol INIT(= -1);
161 
162 /*
163  * Variables for Insert mode completion.
164  */
165 
166 // Length in bytes of the text being completed (this is deleted to be replaced
167 // by the match.)
168 EXTERN int	compl_length INIT(= 0);
169 
170 // List of flags for method of completion.
171 EXTERN int	compl_cont_status INIT(= 0);
172 # define CONT_ADDING	1	// "normal" or "adding" expansion
173 # define CONT_INTRPT	(2 + 4)	// a ^X interrupted the current expansion
174 				// it's set only iff N_ADDS is set
175 # define CONT_N_ADDS	4	// next ^X<> will add-new or expand-current
176 # define CONT_S_IPOS	8	// next ^X<> will set initial_pos?
177 				// if so, word-wise-expansion will set SOL
178 # define CONT_SOL	16	// pattern includes start of line, just for
179 				// word-wise expansion, not set for ^X^L
180 # define CONT_LOCAL	32	// for ctrl_x_mode 0, ^X^P/^X^N do a local
181 				// expansion, (eg use complete=.)
182 
183 EXTERN char_u	*edit_submode INIT(= NULL); // msg for CTRL-X submode
184 EXTERN char_u	*edit_submode_pre INIT(= NULL); // prepended to edit_submode
185 EXTERN char_u	*edit_submode_extra INIT(= NULL);// appended to edit_submode
186 EXTERN hlf_T	edit_submode_highl;	// highl. method for extra info
187 
188 /*
189  * Functions for putting characters in the command line,
190  * while keeping ScreenLines[] updated.
191  */
192 #ifdef FEAT_RIGHTLEFT
193 EXTERN int	cmdmsg_rl INIT(= FALSE);    // cmdline is drawn right to left
194 #endif
195 EXTERN int	msg_col;
196 EXTERN int	msg_row;
197 EXTERN int	msg_scrolled;	// Number of screen lines that windows have
198 				// scrolled because of printing messages.
199 EXTERN int	msg_scrolled_ign INIT(= FALSE);
200 				// when TRUE don't set need_wait_return in
201 				// msg_puts_attr() when msg_scrolled is
202 				// non-zero
203 
204 EXTERN char_u	*keep_msg INIT(= NULL);	    // msg to be shown after redraw
205 EXTERN int	keep_msg_attr INIT(= 0);    // highlight attr for keep_msg
206 EXTERN int	keep_msg_more INIT(= FALSE); // keep_msg was set by msgmore()
207 EXTERN int	need_fileinfo INIT(= FALSE);// do fileinfo() after redraw
208 EXTERN int	msg_scroll INIT(= FALSE);   // msg_start() will scroll
209 EXTERN int	msg_didout INIT(= FALSE);   // msg_outstr() was used in line
210 EXTERN int	msg_didany INIT(= FALSE);   // msg_outstr() was used at all
211 EXTERN int	msg_nowait INIT(= FALSE);   // don't wait for this msg
212 EXTERN int	emsg_off INIT(= 0);	    // don't display errors for now,
213 					    // unless 'debug' is set.
214 EXTERN int	info_message INIT(= FALSE); // printing informative message
215 EXTERN int      msg_hist_off INIT(= FALSE); // don't add messages to history
216 #ifdef FEAT_EVAL
217 EXTERN int	need_clr_eos INIT(= FALSE); // need to clear text before
218 					    // displaying a message.
219 EXTERN int	emsg_skip INIT(= 0);	    // don't display errors for
220 					    // expression that is skipped
221 EXTERN int	emsg_severe INIT(= FALSE);  // use message of next of several
222 					    // emsg() calls for throw
223 // used by assert_fails()
224 EXTERN char_u	*emsg_assert_fails_msg INIT(= NULL);
225 EXTERN long	emsg_assert_fails_lnum INIT(= 0);
226 EXTERN char_u	*emsg_assert_fails_context INIT(= NULL);
227 
228 EXTERN int	did_endif INIT(= FALSE);    // just had ":endif"
229 #endif
230 EXTERN int	did_emsg;		    // set by emsg() when the message
231 					    // is displayed or thrown
232 #ifdef FEAT_EVAL
233 EXTERN int	did_emsg_silent INIT(= 0);  // incremented by emsg() when
234 					    // emsg_silent was set and did_emsg
235 					    // is not incremented
236 EXTERN int	did_emsg_def;		    // set by emsg() when emsg_silent
237 					    // is set before calling a function
238 EXTERN int	did_emsg_cumul;		    // cumulative did_emsg, increased
239 					    // when did_emsg is reset.
240 EXTERN int	called_vim_beep;	    // set if vim_beep() is called
241 EXTERN int	uncaught_emsg;		    // number of times emsg() was
242 					    // called and did show a message
243 #endif
244 EXTERN int	did_emsg_syntax;	    // did_emsg set because of a
245 					    // syntax error
246 EXTERN int	called_emsg;		    // always incremented by emsg()
247 EXTERN int	ex_exitval INIT(= 0);	    // exit value for ex mode
248 EXTERN int	emsg_on_display INIT(= FALSE);	// there is an error message
249 EXTERN int	rc_did_emsg INIT(= FALSE);  // vim_regcomp() called emsg()
250 
251 EXTERN int	no_wait_return INIT(= 0);   // don't wait for return for now
252 EXTERN int	need_wait_return INIT(= 0); // need to wait for return later
253 EXTERN int	did_wait_return INIT(= FALSE);	// wait_return() was used and
254 						// nothing written since then
255 #ifdef FEAT_TITLE
256 EXTERN int	need_maketitle INIT(= TRUE); // call maketitle() soon
257 #endif
258 
259 EXTERN int	quit_more INIT(= FALSE);    // 'q' hit at "--more--" msg
260 #if defined(UNIX) || defined(VMS) || defined(MACOS_X)
261 EXTERN int	newline_on_exit INIT(= FALSE);	// did msg in altern. screen
262 EXTERN int	intr_char INIT(= 0);	    // extra interrupt character
263 #endif
264 #if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
265 EXTERN int	x_no_connect INIT(= FALSE); // don't connect to X server
266 # if defined(FEAT_CLIENTSERVER)
267 EXTERN int	x_force_connect INIT(= FALSE);	// Do connect to X server.
268 						// Overrules x_no_connect and
269 						// "exclude" in 'clipboard'.
270 # endif
271 #endif
272 EXTERN int	ex_keep_indent INIT(= FALSE); // getexmodeline(): keep indent
273 EXTERN int	vgetc_busy INIT(= 0);	      // when inside vgetc() then > 0
274 
275 EXTERN int	didset_vim INIT(= FALSE);	    // did set $VIM ourselves
276 EXTERN int	didset_vimruntime INIT(= FALSE);    // idem for $VIMRUNTIME
277 
278 /*
279  * Lines left before a "more" message.	Ex mode needs to be able to reset this
280  * after you type something.
281  */
282 EXTERN int	lines_left INIT(= -1);	    // lines left for listing
283 EXTERN int	msg_no_more INIT(= FALSE);  // don't use more prompt, truncate
284 					    // messages
285 
286 /*
287  * Stack of execution contexts.  Each entry is an estack_T.
288  * Current context is at ga_len - 1.
289  */
290 EXTERN garray_T	exestack INIT5(0, 0, sizeof(estack_T), 50, NULL);
291 // name of error message source
292 #define SOURCING_NAME (((estack_T *)exestack.ga_data)[exestack.ga_len - 1].es_name)
293 // line number in the message source or zero
294 #define SOURCING_LNUM (((estack_T *)exestack.ga_data)[exestack.ga_len - 1].es_lnum)
295 
296 // Script CTX being sourced or was sourced to define the current function.
297 EXTERN sctx_T	current_sctx
298 #ifdef FEAT_EVAL
299     INIT4(0, 0, 0, 0);
300 #else
301     INIT(= {0});
302 #endif
303 
304 #ifdef FEAT_EVAL
305 // whether inside compile_def_function()
306 EXTERN int	estack_compiling INIT(= FALSE);
307 
308 EXTERN int	ex_nesting_level INIT(= 0);	// nesting level
309 EXTERN int	debug_break_level INIT(= -1);	// break below this level
310 EXTERN int	debug_did_msg INIT(= FALSE);	// did "debug mode" message
311 EXTERN int	debug_tick INIT(= 0);		// breakpoint change count
312 EXTERN int	debug_backtrace_level INIT(= 0); // breakpoint backtrace level
313 # ifdef FEAT_PROFILE
314 EXTERN int	do_profiling INIT(= PROF_NONE);	// PROF_ values
315 # endif
316 EXTERN garray_T script_items INIT5(0, 0, sizeof(scriptitem_T *), 20, NULL);
317 # define SCRIPT_ITEM(id)    (((scriptitem_T **)script_items.ga_data)[(id) - 1])
318 # define SCRIPT_ID_VALID(id)    ((id) > 0 && (id) <= script_items.ga_len)
319 # define SCRIPT_SV(id)		(SCRIPT_ITEM(id)->sn_vars)
320 # define SCRIPT_VARS(id)	(SCRIPT_SV(id)->sv_dict.dv_hashtab)
321 
322 # define FUNCLINE(fp, j)	((char_u **)(fp->uf_lines.ga_data))[j]
323 
324 /*
325  * The exception currently being thrown.  Used to pass an exception to
326  * a different cstack.  Also used for discarding an exception before it is
327  * caught or made pending.  Only valid when did_throw is TRUE.
328  */
329 EXTERN except_T *current_exception;
330 
331 /*
332  * did_throw: An exception is being thrown.  Reset when the exception is caught
333  * or as long as it is pending in a finally clause.
334  */
335 EXTERN int did_throw INIT(= FALSE);
336 
337 /*
338  * need_rethrow: set to TRUE when a throw that cannot be handled in do_cmdline()
339  * must be propagated to the cstack of the previously called do_cmdline().
340  */
341 EXTERN int need_rethrow INIT(= FALSE);
342 
343 /*
344  * check_cstack: set to TRUE when a ":finish" or ":return" that cannot be
345  * handled in do_cmdline() must be propagated to the cstack of the previously
346  * called do_cmdline().
347  */
348 EXTERN int check_cstack INIT(= FALSE);
349 
350 /*
351  * Number of nested try conditionals (across function calls and ":source"
352  * commands).
353  */
354 EXTERN int trylevel INIT(= 0);
355 
356 /*
357  * When "force_abort" is TRUE, always skip commands after an error message,
358  * even after the outermost ":endif", ":endwhile" or ":endfor" or for a
359  * function without the "abort" flag.  It is set to TRUE when "trylevel" is
360  * non-zero (and ":silent!" was not used) or an exception is being thrown at
361  * the time an error is detected.  It is set to FALSE when "trylevel" gets
362  * zero again and there was no error or interrupt or throw.
363  */
364 EXTERN int force_abort INIT(= FALSE);
365 
366 /*
367  * "msg_list" points to a variable in the stack of do_cmdline() which keeps
368  * the list of arguments of several emsg() calls, one of which is to be
369  * converted to an error exception immediately after the failing command
370  * returns.  The message to be used for the exception value is pointed to by
371  * the "throw_msg" field of the first element in the list.  It is usually the
372  * same as the "msg" field of that element, but can be identical to the "msg"
373  * field of a later list element, when the "emsg_severe" flag was set when the
374  * emsg() call was made.
375  */
376 EXTERN msglist_T **msg_list INIT(= NULL);
377 
378 /*
379  * suppress_errthrow: When TRUE, don't convert an error to an exception.  Used
380  * when displaying the interrupt message or reporting an exception that is still
381  * uncaught at the top level (which has already been discarded then).  Also used
382  * for the error message when no exception can be thrown.
383  */
384 EXTERN int suppress_errthrow INIT(= FALSE);
385 
386 /*
387  * The stack of all caught and not finished exceptions.  The exception on the
388  * top of the stack is the one got by evaluation of v:exception.  The complete
389  * stack of all caught and pending exceptions is embedded in the various
390  * cstacks; the pending exceptions, however, are not on the caught stack.
391  */
392 EXTERN except_T *caught_stack INIT(= NULL);
393 
394 /*
395  * Garbage collection can only take place when we are sure there are no Lists
396  * or Dictionaries being used internally.  This is flagged with
397  * "may_garbage_collect" when we are at the toplevel.
398  * "want_garbage_collect" is set by the garbagecollect() function, which means
399  * we do garbage collection before waiting for a char at the toplevel.
400  * "garbage_collect_at_exit" indicates garbagecollect(1) was called.
401  */
402 EXTERN int	may_garbage_collect INIT(= FALSE);
403 EXTERN int	want_garbage_collect INIT(= FALSE);
404 EXTERN int	garbage_collect_at_exit INIT(= FALSE);
405 
406 
407 // Commonly used types.
408 EXTERN type_T t_unknown INIT6(VAR_UNKNOWN, 0, 0, TTFLAG_STATIC, NULL, NULL);
409 EXTERN type_T t_any INIT6(VAR_ANY, 0, 0, TTFLAG_STATIC, NULL, NULL);
410 EXTERN type_T t_void INIT6(VAR_VOID, 0, 0, TTFLAG_STATIC, NULL, NULL);
411 EXTERN type_T t_bool INIT6(VAR_BOOL, 0, 0, TTFLAG_STATIC, NULL, NULL);
412 EXTERN type_T t_special INIT6(VAR_SPECIAL, 0, 0, TTFLAG_STATIC, NULL, NULL);
413 EXTERN type_T t_number INIT6(VAR_NUMBER, 0, 0, TTFLAG_STATIC, NULL, NULL);
414 EXTERN type_T t_number_bool INIT6(VAR_NUMBER, 0, 0, TTFLAG_STATIC|TTFLAG_BOOL_OK, NULL, NULL);
415 EXTERN type_T t_float INIT6(VAR_FLOAT, 0, 0, TTFLAG_STATIC, NULL, NULL);
416 EXTERN type_T t_string INIT6(VAR_STRING, 0, 0, TTFLAG_STATIC, NULL, NULL);
417 EXTERN type_T t_blob INIT6(VAR_BLOB, 0, 0, TTFLAG_STATIC, NULL, NULL);
418 EXTERN type_T t_job INIT6(VAR_JOB, 0, 0, TTFLAG_STATIC, NULL, NULL);
419 EXTERN type_T t_channel INIT6(VAR_CHANNEL, 0, 0, TTFLAG_STATIC, NULL, NULL);
420 
421 // Special value used for @#.
422 EXTERN type_T t_number_or_string INIT6(VAR_STRING, 0, 0, TTFLAG_STATIC, NULL, NULL);
423 
424 EXTERN type_T t_func_unknown INIT6(VAR_FUNC, -1, -1, TTFLAG_STATIC, &t_unknown, NULL);
425 EXTERN type_T t_func_void INIT6(VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_void, NULL);
426 EXTERN type_T t_func_any INIT6(VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_any, NULL);
427 EXTERN type_T t_func_number INIT6(VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_number, NULL);
428 EXTERN type_T t_func_string INIT6(VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_string, NULL);
429 EXTERN type_T t_func_0_void INIT6(VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_void, NULL);
430 EXTERN type_T t_func_0_any INIT6(VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_any, NULL);
431 EXTERN type_T t_func_0_number INIT6(VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_number, NULL);
432 EXTERN type_T t_func_0_string INIT6(VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_string, NULL);
433 
434 EXTERN type_T t_list_any INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_any, NULL);
435 EXTERN type_T t_dict_any INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_any, NULL);
436 EXTERN type_T t_list_empty INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_unknown, NULL);
437 EXTERN type_T t_dict_empty INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_unknown, NULL);
438 
439 EXTERN type_T t_list_bool INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_bool, NULL);
440 EXTERN type_T t_list_number INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_number, NULL);
441 EXTERN type_T t_list_string INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_string, NULL);
442 EXTERN type_T t_list_job INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_job, NULL);
443 EXTERN type_T t_list_dict_any INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_dict_any, NULL);
444 EXTERN type_T t_list_list_any INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_list_any, NULL);
445 EXTERN type_T t_list_list_string INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_list_string, NULL);
446 
447 EXTERN type_T t_dict_bool INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_bool, NULL);
448 EXTERN type_T t_dict_number INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_number, NULL);
449 EXTERN type_T t_dict_string INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_string, NULL);
450 
451 #endif
452 
453 EXTERN int	did_source_packages INIT(= FALSE);
454 
455 // Magic number used for hashitem "hi_key" value indicating a deleted item.
456 // Only the address is used.
457 EXTERN char_u	hash_removed;
458 
459 
460 EXTERN int	scroll_region INIT(= FALSE); // term supports scroll region
461 EXTERN int	t_colors INIT(= 0);	    // int value of T_CCO
462 
463 // Flags to indicate an additional string for highlight name completion.
464 EXTERN int include_none INIT(= 0);	// when 1 include "None"
465 EXTERN int include_default INIT(= 0);	// when 1 include "default"
466 EXTERN int include_link INIT(= 0);	// when 2 include "link" and "clear"
467 
468 /*
469  * When highlight_match is TRUE, highlight a match, starting at the cursor
470  * position.  Search_match_lines is the number of lines after the match (0 for
471  * a match within one line), search_match_endcol the column number of the
472  * character just after the match in the last line.
473  */
474 EXTERN int	highlight_match INIT(= FALSE);	// show search match pos
475 EXTERN linenr_T	search_match_lines;		// lines of matched string
476 EXTERN colnr_T	search_match_endcol;		// col nr of match end
477 #ifdef FEAT_SEARCH_EXTRA
478 EXTERN linenr_T	search_first_line INIT(= 0);	  // for :{FIRST},{last}s/pat
479 EXTERN linenr_T	search_last_line INIT(= MAXLNUM); // for :{first},{LAST}s/pat
480 #endif
481 
482 EXTERN int	no_smartcase INIT(= FALSE);	// don't use 'smartcase' once
483 
484 EXTERN int	need_check_timestamps INIT(= FALSE); // need to check file
485 						     // timestamps asap
486 EXTERN int	did_check_timestamps INIT(= FALSE); // did check timestamps
487 						    // recently
488 EXTERN int	no_check_timestamps INIT(= 0);	// Don't check timestamps
489 
490 EXTERN int	highlight_attr[HLF_COUNT];  // Highl. attr for each context.
491 #ifdef FEAT_STL_OPT
492 # define USER_HIGHLIGHT
493 #endif
494 #ifdef USER_HIGHLIGHT
495 EXTERN int	highlight_user[9];		// User[1-9] attributes
496 # ifdef FEAT_STL_OPT
497 EXTERN int	highlight_stlnc[9];		// On top of user
498 #  ifdef FEAT_TERMINAL
499 EXTERN int	highlight_stlterm[9];		// On top of user
500 EXTERN int	highlight_stltermnc[9];		// On top of user
501 #  endif
502 # endif
503 #endif
504 #ifdef FEAT_TERMINAL
505 		// When TRUE skip calling terminal_loop() once.  Used when
506 		// typing ':' at the more prompt.
507 EXTERN int	skip_term_loop INIT(= FALSE);
508 #endif
509 #ifdef FEAT_GUI
510 EXTERN char_u	*use_gvimrc INIT(= NULL);	// "-U" cmdline argument
511 #endif
512 EXTERN int	cterm_normal_fg_color INIT(= 0);
513 EXTERN int	cterm_normal_fg_bold INIT(= 0);
514 EXTERN int	cterm_normal_bg_color INIT(= 0);
515 EXTERN int	cterm_normal_ul_color INIT(= 0);
516 #ifdef FEAT_TERMGUICOLORS
517 EXTERN guicolor_T cterm_normal_fg_gui_color INIT(= INVALCOLOR);
518 EXTERN guicolor_T cterm_normal_bg_gui_color INIT(= INVALCOLOR);
519 EXTERN guicolor_T cterm_normal_ul_gui_color INIT(= INVALCOLOR);
520 #endif
521 #ifdef FEAT_TERMRESPONSE
522 EXTERN int	is_mac_terminal INIT(= FALSE);  // recognized Terminal.app
523 #endif
524 
525 EXTERN int	autocmd_busy INIT(= FALSE);	// Is apply_autocmds() busy?
526 EXTERN int	autocmd_no_enter INIT(= FALSE); // *Enter autocmds disabled
527 EXTERN int	autocmd_no_leave INIT(= FALSE); // *Leave autocmds disabled
528 
529 EXTERN int	modified_was_set;		// did ":set modified"
530 EXTERN int	did_filetype INIT(= FALSE);	// FileType event found
531 EXTERN int	keep_filetype INIT(= FALSE);	// value for did_filetype when
532 						// starting to execute
533 						// autocommands
534 
535 // Set by the apply_autocmds_group function if the given event is equal to
536 // EVENT_FILETYPE. Used by the readfile function in order to determine if
537 // EVENT_BUFREADPOST triggered the EVENT_FILETYPE.
538 //
539 // Relying on this value requires one to reset it prior calling
540 // apply_autocmds_group.
541 EXTERN int	au_did_filetype INIT(= FALSE);
542 
543 // When deleting the current buffer, another one must be loaded.  If we know
544 // which one is preferred, au_new_curbuf is set to it
545 EXTERN bufref_T	au_new_curbuf INIT3(NULL, 0, 0);
546 
547 // When deleting a buffer/window and autocmd_busy is TRUE, do not free the
548 // buffer/window. but link it in the list starting with
549 // au_pending_free_buf/ap_pending_free_win, using b_next/w_next.
550 // Free the buffer/window when autocmd_busy is being set to FALSE.
551 EXTERN buf_T	*au_pending_free_buf INIT(= NULL);
552 EXTERN win_T	*au_pending_free_win INIT(= NULL);
553 
554 /*
555  * Mouse coordinates, set by check_termcode()
556  */
557 EXTERN int	mouse_row;
558 EXTERN int	mouse_col;
559 EXTERN int	mouse_past_bottom INIT(= FALSE);// mouse below last line
560 EXTERN int	mouse_past_eol INIT(= FALSE);	// mouse right of line
561 EXTERN int	mouse_dragging INIT(= 0);	// extending Visual area with
562 						// mouse dragging
563 #if defined(FEAT_MOUSE_DEC)
564 /*
565  * When the DEC mouse has been pressed but not yet released we enable
566  * automatic queries for the mouse position.
567  */
568 EXTERN int	WantQueryMouse INIT(= FALSE);
569 #endif
570 
571 #ifdef FEAT_GUI
572 // When the window layout is about to be changed, need_mouse_correct is set,
573 // so that gui_mouse_correct() is called afterwards, to correct the mouse
574 // pointer when focus-follow-mouse is being used.
575 EXTERN int	need_mouse_correct INIT(= FALSE);
576 
577 // When double clicking, topline must be the same
578 EXTERN linenr_T gui_prev_topline INIT(= 0);
579 # ifdef FEAT_DIFF
580 EXTERN int	gui_prev_topfill INIT(= 0);
581 # endif
582 #endif
583 
584 # ifdef FEAT_MOUSESHAPE
585 EXTERN int	drag_status_line INIT(= FALSE);	// dragging the status line
586 EXTERN int	postponed_mouseshape INIT(= FALSE); // postponed updating the
587 						    // mouse pointer shape
588 EXTERN int	drag_sep_line INIT(= FALSE);	// dragging vert separator
589 # endif
590 
591 
592 #ifdef FEAT_DIFF
593 // Value set from 'diffopt'.
594 EXTERN int	diff_context INIT(= 6);		// context for folds
595 EXTERN int	diff_foldcolumn INIT(= 2);	// 'foldcolumn' for diff mode
596 EXTERN int	diff_need_scrollbind INIT(= FALSE);
597 #endif
598 
599 // While redrawing the screen this flag is set.  It means the screen size
600 // ('lines' and 'rows') must not be changed.
601 EXTERN int	updating_screen INIT(= FALSE);
602 
603 #ifdef MESSAGE_QUEUE
604 // While closing windows or buffers messages should not be handled to avoid
605 // using invalid windows or buffers.
606 EXTERN int	dont_parse_messages INIT(= FALSE);
607 #endif
608 
609 #ifdef FEAT_MENU
610 // The root of the menu hierarchy.
611 EXTERN vimmenu_T	*root_menu INIT(= NULL);
612 /*
613  * While defining the system menu, sys_menu is TRUE.  This avoids
614  * overruling of menus that the user already defined.
615  */
616 EXTERN int	sys_menu INIT(= FALSE);
617 
618 #define FOR_ALL_MENUS(m) for ((m) = root_menu; (m) != NULL; (m) = (m)->next)
619 #define FOR_ALL_CHILD_MENUS(p, c) \
620     for ((c) = (p)->children; (c) != NULL; (c) = (c)->next)
621 #endif
622 
623 #ifdef FEAT_GUI
624 # ifdef FEAT_MENU
625 // Menu item just selected, set by check_termcode()
626 EXTERN vimmenu_T	*current_menu;
627 
628 // Set to TRUE after adding/removing menus to ensure they are updated
629 EXTERN int force_menu_update INIT(= FALSE);
630 # endif
631 # ifdef FEAT_GUI_TABLINE
632 // Tab in tab pages line just selected, set by check_termcode()
633 EXTERN int	    current_tab;
634 
635 // Menu entry in tab pages line menu just selected, set by check_termcode()
636 EXTERN int	    current_tabmenu;
637 #  define TABLINE_MENU_CLOSE	1
638 #  define TABLINE_MENU_NEW	2
639 #  define TABLINE_MENU_OPEN	3
640 # endif
641 
642 // Scrollbar moved and new value, set by check_termcode()
643 EXTERN int	current_scrollbar;
644 EXTERN long_u	scrollbar_value;
645 
646 // found "-rv" or "-reverse" in command line args
647 EXTERN int	found_reverse_arg INIT(= FALSE);
648 
649 // "-fn" or "-font" command line argument
650 EXTERN char	*font_argument INIT(= NULL);
651 
652 # ifdef FEAT_GUI_GTK
653 // "-bg" or "-background" command line argument
654 EXTERN char	*background_argument INIT(= NULL);
655 
656 // "-fg" or "-foreground" command line argument
657 EXTERN char	*foreground_argument INIT(= NULL);
658 # endif
659 
660 /*
661  * While executing external commands or in Ex mode, should not insert GUI
662  * events in the input buffer: Set hold_gui_events to non-zero.
663  *
664  * volatile because it is used in signal handler sig_sysmouse().
665  */
666 EXTERN volatile sig_atomic_t hold_gui_events INIT(= 0);
667 
668 /*
669  * When resizing the shell is postponed, remember the new size, and call
670  * gui_resize_shell() later.
671  */
672 EXTERN int	new_pixel_width INIT(= 0);
673 EXTERN int	new_pixel_height INIT(= 0);
674 
675 // Window position from ":winpos", to be used when opening the GUI window.
676 EXTERN int	gui_win_x INIT(= -1);
677 EXTERN int	gui_win_y INIT(= -1);
678 #endif
679 
680 #ifdef FEAT_CLIPBOARD
681 EXTERN Clipboard_T clip_star;	// PRIMARY selection in X11
682 # ifdef FEAT_X11
683 EXTERN Clipboard_T clip_plus;	// CLIPBOARD selection in X11
684 # else
685 #  define clip_plus clip_star	// there is only one clipboard
686 #  define ONE_CLIPBOARD
687 # endif
688 
689 # define CLIP_UNNAMED      1
690 # define CLIP_UNNAMED_PLUS 2
691 EXTERN int	clip_unnamed INIT(= 0); // above two values or'ed
692 
693 EXTERN int	clip_autoselect_star INIT(= FALSE);
694 EXTERN int	clip_autoselect_plus INIT(= FALSE);
695 EXTERN int	clip_autoselectml INIT(= FALSE);
696 EXTERN int	clip_html INIT(= FALSE);
697 EXTERN regprog_T *clip_exclude_prog INIT(= NULL);
698 EXTERN int	clip_unnamed_saved INIT(= 0);
699 #endif
700 
701 /*
702  * All regular windows are linked in a list. "firstwin" points to the first
703  * entry, "lastwin" to the last entry (can be the same as firstwin) and
704  * "curwin" to the currently active window.
705  * When switching tabs these swapped with the pointers in "tabpage_T".
706  */
707 EXTERN win_T	*firstwin;		// first window
708 EXTERN win_T	*lastwin;		// last window
709 EXTERN win_T	*prevwin INIT(= NULL);	// previous window
710 #define ONE_WINDOW (firstwin == lastwin)
711 #define W_NEXT(wp) ((wp)->w_next)
712 #define FOR_ALL_WINDOWS(wp) for (wp = firstwin; wp != NULL; wp = wp->w_next)
713 #define FOR_ALL_FRAMES(frp, first_frame) \
714     for (frp = first_frame; frp != NULL; frp = frp->fr_next)
715 #define FOR_ALL_TABPAGES(tp) for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
716 #define FOR_ALL_WINDOWS_IN_TAB(tp, wp) \
717     for ((wp) = ((tp) == NULL || (tp) == curtab) \
718 	    ? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
719 /*
720  * When using this macro "break" only breaks out of the inner loop. Use "goto"
721  * to break out of the tabpage loop.
722  */
723 #define FOR_ALL_TAB_WINDOWS(tp, wp) \
724     for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next) \
725 	for ((wp) = ((tp) == curtab) \
726 		? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
727 
728 #define FOR_ALL_POPUPWINS(wp) \
729     for ((wp) = first_popupwin; (wp) != NULL; (wp) = (wp)->w_next)
730 #define FOR_ALL_POPUPWINS_IN_TAB(tp, wp) \
731     for ((wp) = (tp)->tp_first_popupwin; (wp) != NULL; (wp) = (wp)->w_next)
732 
733 
734 EXTERN win_T	*curwin;	// currently active window
735 
736 EXTERN win_T	*aucmd_win;	// window used in aucmd_prepbuf()
737 EXTERN int	aucmd_win_used INIT(= FALSE);	// aucmd_win is being used
738 
739 #ifdef FEAT_PROP_POPUP
740 EXTERN win_T    *first_popupwin;		// first global popup window
741 EXTERN win_T	*popup_dragwin INIT(= NULL);	// popup window being dragged
742 
743 // Set to TRUE if there is any visible popup window.
744 EXTERN int	popup_visible INIT(= FALSE);
745 
746 EXTERN int	text_prop_frozen INIT(= 0);
747 #endif
748 
749 // When set the popup menu will redraw soon using the pum_win_ values. Do not
750 // draw over the poup menu area to avoid flicker.
751 EXTERN int	pum_will_redraw INIT(= FALSE);
752 
753 /*
754  * The window layout is kept in a tree of frames.  topframe points to the top
755  * of the tree.
756  */
757 EXTERN frame_T	*topframe;	// top of the window frame tree
758 
759 /*
760  * Tab pages are alternative topframes.  "first_tabpage" points to the first
761  * one in the list, "curtab" is the current one. "lastused_tabpage" is the
762  * last used one.
763  */
764 EXTERN tabpage_T    *first_tabpage;
765 EXTERN tabpage_T    *curtab;
766 EXTERN tabpage_T    *lastused_tabpage;
767 EXTERN int	    redraw_tabline INIT(= FALSE);  // need to redraw tabline
768 
769 /*
770  * All buffers are linked in a list. 'firstbuf' points to the first entry,
771  * 'lastbuf' to the last entry and 'curbuf' to the currently active buffer.
772  */
773 EXTERN buf_T	*firstbuf INIT(= NULL);	// first buffer
774 EXTERN buf_T	*lastbuf INIT(= NULL);	// last buffer
775 EXTERN buf_T	*curbuf INIT(= NULL);	// currently active buffer
776 
777 #define FOR_ALL_BUFFERS(buf) \
778     for ((buf) = firstbuf; (buf) != NULL; (buf) = (buf)->b_next)
779 
780 #define FOR_ALL_BUF_WININFO(buf, wip) \
781     for ((wip) = (buf)->b_wininfo; (wip) != NULL; (wip) = (wip)->wi_next)
782 
783 // Iterate through all the signs placed in a buffer
784 #define FOR_ALL_SIGNS_IN_BUF(buf, sign) \
785 	for (sign = buf->b_signlist; sign != NULL; sign = sign->se_next)
786 
787 // Flag that is set when switching off 'swapfile'.  It means that all blocks
788 // are to be loaded into memory.  Shouldn't be global...
789 EXTERN int	mf_dont_release INIT(= FALSE);	// don't release blocks
790 
791 /*
792  * List of files being edited (global argument list).  curwin->w_alist points
793  * to this when the window is using the global argument list.
794  */
795 EXTERN alist_T	global_alist;		    // global argument list
796 EXTERN int	max_alist_id INIT(= 0);	    // the previous argument list id
797 EXTERN int	arg_had_last INIT(= FALSE); // accessed last file in
798 					    // global_alist
799 
800 EXTERN int	ru_col;		// column for ruler
801 #ifdef FEAT_STL_OPT
802 EXTERN int	ru_wid;		// 'rulerfmt' width of ruler when non-zero
803 #endif
804 EXTERN int	sc_col;		// column for shown command
805 
806 #ifdef TEMPDIRNAMES
807 # if defined(UNIX) && defined(HAVE_FLOCK) \
808 	&& (defined(HAVE_DIRFD) || defined(__hpux))
809 EXTERN DIR	*vim_tempdir_dp INIT(= NULL); // File descriptor of temp dir
810 # endif
811 EXTERN char_u	*vim_tempdir INIT(= NULL); // Name of Vim's own temp dir.
812 					   // Ends in a slash.
813 #endif
814 
815 /*
816  * When starting or exiting some things are done differently (e.g. screen
817  * updating).
818  */
819 EXTERN int	starting INIT(= NO_SCREEN);
820 				// first NO_SCREEN, then NO_BUFFERS and then
821 				// set to 0 when starting up finished
822 EXTERN int	exiting INIT(= FALSE);
823 				// TRUE when planning to exit Vim.  Might
824 				// still keep on running if there is a changed
825 				// buffer.
826 EXTERN int	really_exiting INIT(= FALSE);
827 				// TRUE when we are sure to exit, e.g., after
828 				// a deadly signal
829 EXTERN int	v_dying INIT(= 0); // internal value of v:dying
830 EXTERN int	stdout_isatty INIT(= TRUE);	// is stdout a terminal?
831 
832 #if defined(FEAT_AUTOCHDIR)
833 EXTERN int	test_autochdir INIT(= FALSE);
834 #endif
835 EXTERN char	*last_chdir_reason INIT(= NULL);
836 #if defined(EXITFREE)
837 EXTERN int	entered_free_all_mem INIT(= FALSE);
838 				// TRUE when in or after free_all_mem()
839 #endif
840 // volatile because it is used in signal handler deathtrap().
841 EXTERN volatile sig_atomic_t full_screen INIT(= FALSE);
842 				// TRUE when doing full-screen output
843 				// otherwise only writing some messages
844 
845 EXTERN int	restricted INIT(= FALSE);
846 				// TRUE when started as "rvim"
847 EXTERN int	secure INIT(= FALSE);
848 				// non-zero when only "safe" commands are
849 				// allowed, e.g. when sourcing .exrc or .vimrc
850 				// in current directory
851 
852 EXTERN int	textwinlock INIT(= 0);
853 				// non-zero when changing text and jumping to
854 				// another window or editing another buffer is
855 				// not allowed
856 
857 EXTERN int	textlock INIT(= 0);
858 				// non-zero when changing text is not allowed,
859 				// jumping to another window is allowed,
860 				// editing another buffer is not allowed.
861 
862 EXTERN int	curbuf_lock INIT(= 0);
863 				// non-zero when the current buffer can't be
864 				// changed.  Used for FileChangedRO.
865 EXTERN int	allbuf_lock INIT(= 0);
866 				// non-zero when no buffer name can be
867 				// changed, no buffer can be deleted and
868 				// current directory can't be changed.
869 				// Used for SwapExists et al.
870 #ifdef HAVE_SANDBOX
871 EXTERN int	sandbox INIT(= 0);
872 				// Non-zero when evaluating an expression in a
873 				// "sandbox".  Several things are not allowed
874 				// then.
875 #endif
876 
877 EXTERN int	silent_mode INIT(= FALSE);
878 				// set to TRUE when "-s" commandline argument
879 				// used for ex
880 
881 EXTERN pos_T	VIsual;		// start position of active Visual selection
882 EXTERN int	VIsual_active INIT(= FALSE);
883 				// whether Visual mode is active
884 EXTERN int	VIsual_select INIT(= FALSE);
885 				// whether Select mode is active
886 EXTERN int	restart_VIsual_select INIT(= 0);
887 				// restart Select mode when next cmd finished
888 EXTERN int	VIsual_reselect;
889 				// whether to restart the selection after a
890 				// Select mode mapping or menu
891 
892 EXTERN int	VIsual_mode INIT(= 'v');
893 				// type of Visual mode
894 
895 EXTERN int	redo_VIsual_busy INIT(= FALSE);
896 				// TRUE when redoing Visual
897 
898 /*
899  * The Visual area is remembered for reselection.
900  */
901 EXTERN int	resel_VIsual_mode INIT(= NUL);	// 'v', 'V', or Ctrl-V
902 EXTERN linenr_T	resel_VIsual_line_count;	// number of lines
903 EXTERN colnr_T	resel_VIsual_vcol;		// nr of cols or end col
904 
905 /*
906  * When pasting text with the middle mouse button in visual mode with
907  * restart_edit set, remember where it started so we can set Insstart.
908  */
909 EXTERN pos_T	where_paste_started;
910 
911 /*
912  * This flag is used to make auto-indent work right on lines where only a
913  * <RETURN> or <ESC> is typed. It is set when an auto-indent is done, and
914  * reset when any other editing is done on the line. If an <ESC> or <RETURN>
915  * is received, and did_ai is TRUE, the line is truncated.
916  */
917 EXTERN int     did_ai INIT(= FALSE);
918 
919 /*
920  * Column of first char after autoindent.  0 when no autoindent done.  Used
921  * when 'backspace' is 0, to avoid backspacing over autoindent.
922  */
923 EXTERN colnr_T	ai_col INIT(= 0);
924 
925 /*
926  * This is a character which will end a start-middle-end comment when typed as
927  * the first character on a new line.  It is taken from the last character of
928  * the "end" comment leader when the COM_AUTO_END flag is given for that
929  * comment end in 'comments'.  It is only valid when did_ai is TRUE.
930  */
931 EXTERN int     end_comment_pending INIT(= NUL);
932 
933 /*
934  * This flag is set after a ":syncbind" to let the check_scrollbind() function
935  * know that it should not attempt to perform scrollbinding due to the scroll
936  * that was a result of the ":syncbind." (Otherwise, check_scrollbind() will
937  * undo some of the work done by ":syncbind.")  -ralston
938  */
939 EXTERN int     did_syncbind INIT(= FALSE);
940 
941 #ifdef FEAT_SMARTINDENT
942 /*
943  * This flag is set when a smart indent has been performed. When the next typed
944  * character is a '{' the inserted tab will be deleted again.
945  */
946 EXTERN int	did_si INIT(= FALSE);
947 
948 /*
949  * This flag is set after an auto indent. If the next typed character is a '}'
950  * one indent will be removed.
951  */
952 EXTERN int	can_si INIT(= FALSE);
953 
954 /*
955  * This flag is set after an "O" command. If the next typed character is a '{'
956  * one indent will be removed.
957  */
958 EXTERN int	can_si_back INIT(= FALSE);
959 #endif
960 
961 EXTERN int	old_indent INIT(= 0);	// for ^^D command in insert mode
962 
963 EXTERN pos_T	saved_cursor		// w_cursor before formatting text.
964 #ifdef DO_INIT
965 	= {0, 0, 0}
966 #endif
967 	;
968 
969 /*
970  * Stuff for insert mode.
971  */
972 EXTERN pos_T	Insstart;		// This is where the latest
973 					// insert/append mode started.
974 
975 // This is where the latest insert/append mode started. In contrast to
976 // Insstart, this won't be reset by certain keys and is needed for
977 // op_insert(), to detect correctly where inserting by the user started.
978 EXTERN pos_T	Insstart_orig;
979 
980 /*
981  * Stuff for VREPLACE mode.
982  */
983 EXTERN int	orig_line_count INIT(= 0);  // Line count when "gR" started
984 EXTERN int	vr_lines_changed INIT(= 0); // #Lines changed by "gR" so far
985 
986 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
987 // argument to SETJMP() for handling X IO errors
988 EXTERN JMP_BUF x_jump_env;
989 #endif
990 
991 /*
992  * These flags are set based upon 'fileencoding'.
993  * Note that "enc_utf8" is also set for "unicode", because the characters are
994  * internally stored as UTF-8 (to avoid trouble with NUL bytes).
995  */
996 #define DBCS_JPN	932	// japan
997 #define DBCS_JPNU	9932	// euc-jp
998 #define DBCS_KOR	949	// korea
999 #define DBCS_KORU	9949	// euc-kr
1000 #define DBCS_CHS	936	// chinese
1001 #define DBCS_CHSU	9936	// euc-cn
1002 #define DBCS_CHT	950	// taiwan
1003 #define DBCS_CHTU	9950	// euc-tw
1004 #define DBCS_2BYTE	1	// 2byte-
1005 #define DBCS_DEBUG	-1
1006 
1007 EXTERN int	enc_dbcs INIT(= 0);		// One of DBCS_xxx values if
1008 						// DBCS encoding
1009 EXTERN int	enc_unicode INIT(= 0);	// 2: UCS-2 or UTF-16, 4: UCS-4
1010 EXTERN int	enc_utf8 INIT(= FALSE);		// UTF-8 encoded Unicode
1011 EXTERN int	enc_latin1like INIT(= TRUE);	// 'encoding' is latin1 comp.
1012 #if defined(MSWIN) || defined(FEAT_CYGWIN_WIN32_CLIPBOARD)
1013 // Codepage nr of 'encoding'.  Negative means it's not been set yet, zero
1014 // means 'encoding' is not a valid codepage.
1015 EXTERN int	enc_codepage INIT(= -1);
1016 EXTERN int	enc_latin9 INIT(= FALSE);	// 'encoding' is latin9
1017 #endif
1018 EXTERN int	has_mbyte INIT(= 0);		// any multi-byte encoding
1019 
1020 /*
1021  * To speed up BYTELEN() we fill a table with the byte lengths whenever
1022  * enc_utf8 or enc_dbcs changes.
1023  */
1024 EXTERN char	mb_bytelen_tab[256];
1025 
1026 // Variables that tell what conversion is used for keyboard input and display
1027 // output.
1028 EXTERN vimconv_T input_conv;			// type of input conversion
1029 EXTERN vimconv_T output_conv;			// type of output conversion
1030 
1031 /*
1032  * Function pointers, used to quickly get to the right function.  Each has
1033  * three possible values: latin_ (8-bit), utfc_ or utf_ (utf-8) and dbcs_
1034  * (DBCS).
1035  * The value is set in mb_init();
1036  */
1037 // length of char in bytes, including following composing chars
1038 EXTERN int (*mb_ptr2len)(char_u *p) INIT(= latin_ptr2len);
1039 // idem, with limit on string length
1040 EXTERN int (*mb_ptr2len_len)(char_u *p, int size) INIT(= latin_ptr2len_len);
1041 // byte length of char
1042 EXTERN int (*mb_char2len)(int c) INIT(= latin_char2len);
1043 // convert char to bytes, return the length
1044 EXTERN int (*mb_char2bytes)(int c, char_u *buf) INIT(= latin_char2bytes);
1045 EXTERN int (*mb_ptr2cells)(char_u *p) INIT(= latin_ptr2cells);
1046 EXTERN int (*mb_ptr2cells_len)(char_u *p, int size) INIT(= latin_ptr2cells_len);
1047 EXTERN int (*mb_char2cells)(int c) INIT(= latin_char2cells);
1048 EXTERN int (*mb_off2cells)(unsigned off, unsigned max_off) INIT(= latin_off2cells);
1049 EXTERN int (*mb_ptr2char)(char_u *p) INIT(= latin_ptr2char);
1050 EXTERN int (*mb_head_off)(char_u *base, char_u *p) INIT(= latin_head_off);
1051 
1052 # if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
1053 // Pointers to functions and variables to be loaded at runtime
1054 EXTERN size_t (*iconv) (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
1055 EXTERN iconv_t (*iconv_open) (const char *tocode, const char *fromcode);
1056 EXTERN int (*iconv_close) (iconv_t cd);
1057 EXTERN int (*iconvctl) (iconv_t cd, int request, void *argument);
1058 EXTERN int* (*iconv_errno) (void);
1059 # endif
1060 
1061 
1062 #ifdef FEAT_XIM
1063 # ifdef FEAT_GUI_GTK
1064 EXTERN GtkIMContext	*xic INIT(= NULL);
1065 /*
1066  * Start and end column of the preedit area in virtual columns from the start
1067  * of the text line.  When there is no preedit area they are set to MAXCOL.
1068  * "preedit_end_col" is needed for coloring the preedited string.  Drawing the
1069  * color between "preedit_start_col" and curpos did not work, because some XIM
1070  * set the cursor position to the first char of the string.
1071  */
1072 EXTERN colnr_T		preedit_start_col INIT(= MAXCOL);
1073 EXTERN colnr_T		preedit_end_col INIT(= MAXCOL);
1074 
1075 // "xim_changed_while_preediting" is set when changed() can set the 'modified'
1076 // flag even while preediting.
1077 EXTERN int		xim_changed_while_preediting INIT(= FALSE);
1078 # else
1079 EXTERN XIC		xic INIT(= NULL);
1080 # endif
1081 # ifdef FEAT_GUI
1082 EXTERN guicolor_T	xim_fg_color INIT(= INVALCOLOR);
1083 EXTERN guicolor_T	xim_bg_color INIT(= INVALCOLOR);
1084 # endif
1085 #endif
1086 
1087 /*
1088  * "State" is the main state of Vim.
1089  * There are other variables that modify the state:
1090  * "Visual_mode"    When State is NORMAL or INSERT.
1091  * "finish_op"	    When State is NORMAL, after typing the operator and before
1092  *		    typing the motion command.
1093  * "motion_force"   Last motion_force  from do_pending_operator()
1094  * "debug_mode"	    Debug mode.
1095  */
1096 EXTERN int	State INIT(= NORMAL);	// This is the current state of the
1097 					// command interpreter.
1098 #ifdef FEAT_EVAL
1099 EXTERN int	debug_mode INIT(= FALSE);
1100 #endif
1101 
1102 EXTERN int	finish_op INIT(= FALSE);// TRUE while an operator is pending
1103 EXTERN long	opcount INIT(= 0);	// count for pending operator
1104 EXTERN int	motion_force INIT(= 0); // motion force for pending operator
1105 
1106 /*
1107  * Ex mode (Q) state
1108  */
1109 EXTERN int exmode_active INIT(= 0);	// zero, EXMODE_NORMAL or EXMODE_VIM
1110 
1111 // Flag set when main_loop() should exit when entering Ex mode.
1112 EXTERN int pending_exmode_active INIT(= FALSE);
1113 
1114 EXTERN int ex_no_reprint INIT(= FALSE); // no need to print after z or p
1115 
1116 EXTERN int reg_recording INIT(= 0);	// register for recording  or zero
1117 EXTERN int reg_executing INIT(= 0);	// register being executed or zero
1118 
1119 // Set when a modifyOtherKeys sequence was seen, then simplified mappings will
1120 // no longer be used.
1121 EXTERN int seenModifyOtherKeys INIT(= FALSE);
1122 
1123 EXTERN int no_mapping INIT(= FALSE);	// currently no mapping allowed
1124 EXTERN int no_zero_mapping INIT(= 0);	// mapping zero not allowed
1125 EXTERN int allow_keys INIT(= FALSE);	// allow key codes when no_mapping
1126 					// is set
1127 EXTERN int no_reduce_keys INIT(= FALSE);  // do not apply Ctrl, Shift and Alt
1128 					  // to the key
1129 EXTERN int no_u_sync INIT(= 0);		// Don't call u_sync()
1130 #ifdef FEAT_EVAL
1131 EXTERN int u_sync_once INIT(= 0);	// Call u_sync() once when evaluating
1132 					// an expression.
1133 #endif
1134 
1135 EXTERN int restart_edit INIT(= 0);	// call edit when next cmd finished
1136 EXTERN int arrow_used;			// Normally FALSE, set to TRUE after
1137 					// hitting cursor key in insert mode.
1138 					// Used by vgetorpeek() to decide when
1139 					// to call u_sync()
1140 EXTERN int	ins_at_eol INIT(= FALSE); // put cursor after eol when
1141 					  // restarting edit after CTRL-O
1142 
1143 EXTERN int	no_abbr INIT(= TRUE);	// TRUE when no abbreviations loaded
1144 
1145 #ifdef USE_EXE_NAME
1146 EXTERN char_u	*exe_name;		// the name of the executable
1147 #endif
1148 
1149 #ifdef USE_ON_FLY_SCROLL
1150 EXTERN int	dont_scroll INIT(= FALSE);// don't use scrollbars when TRUE
1151 #endif
1152 EXTERN int	mapped_ctrl_c INIT(= FALSE); // modes where CTRL-C is mapped
1153 EXTERN int	ctrl_c_interrupts INIT(= TRUE);	// CTRL-C sets got_int
1154 
1155 EXTERN cmdmod_T	cmdmod;			// Ex command modifiers
1156 
1157 EXTERN int	is_export INIT(= FALSE);    // :export {cmd}
1158 
1159 EXTERN int	msg_silent INIT(= 0);	// don't print messages
1160 EXTERN int	emsg_silent INIT(= 0);	// don't print error messages
1161 #ifdef FEAT_EVAL
1162 EXTERN int	emsg_silent_def INIT(= 0);  // value of emsg_silent when a :def
1163 					    // function is called
1164 #endif
1165 EXTERN int	emsg_noredir INIT(= 0);	// don't redirect error messages
1166 EXTERN int	cmd_silent INIT(= FALSE); // don't echo the command line
1167 
1168 EXTERN int	in_assert_fails INIT(= FALSE);	// assert_fails() active
1169 
1170 EXTERN int	swap_exists_action INIT(= SEA_NONE);
1171 					// For dialog when swap file already
1172 					// exists.
1173 EXTERN int	swap_exists_did_quit INIT(= FALSE);
1174 					// Selected "quit" at the dialog.
1175 
1176 EXTERN char_u	*IObuff;		// sprintf's are done in this buffer,
1177 					// size is IOSIZE
1178 EXTERN char_u	*NameBuff;		// file names are expanded in this
1179 					// buffer, size is MAXPATHL
1180 EXTERN char	msg_buf[MSG_BUF_LEN];	// small buffer for messages
1181 
1182 // When non-zero, postpone redrawing.
1183 EXTERN int	RedrawingDisabled INIT(= 0);
1184 
1185 EXTERN int	readonlymode INIT(= FALSE); // Set to TRUE for "view"
1186 EXTERN int	recoverymode INIT(= FALSE); // Set to TRUE for "-r" option
1187 
1188 EXTERN typebuf_T typebuf		// typeahead buffer
1189 #ifdef DO_INIT
1190 		    = {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}
1191 #endif
1192 		    ;
1193 EXTERN int	ex_normal_busy INIT(= 0);   // recursiveness of ex_normal()
1194 EXTERN int	in_feedkeys INIT(= 0);	    // ex_normal_busy set in feedkeys()
1195 EXTERN int	ex_normal_lock INIT(= 0);   // forbid use of ex_normal()
1196 
1197 #ifdef FEAT_EVAL
1198 EXTERN int	ignore_script INIT(= FALSE);  // ignore script input
1199 #endif
1200 EXTERN int	stop_insert_mode;	// for ":stopinsert" and 'insertmode'
1201 
1202 EXTERN int	KeyTyped;		// TRUE if user typed current char
1203 EXTERN int	KeyStuffed;		// TRUE if current char from stuffbuf
1204 #ifdef HAVE_INPUT_METHOD
1205 EXTERN int	vgetc_im_active;	// Input Method was active for last
1206 					// character obtained from vgetc()
1207 #endif
1208 EXTERN int	maptick INIT(= 0);	// tick for each non-mapped char
1209 
1210 EXTERN int	must_redraw INIT(= 0);	    // type of redraw necessary
1211 EXTERN int	skip_redraw INIT(= FALSE);  // skip redraw once
1212 EXTERN int	do_redraw INIT(= FALSE);    // extra redraw once
1213 #ifdef FEAT_DIFF
1214 EXTERN int	need_diff_redraw INIT(= 0); // need to call diff_redraw()
1215 #endif
1216 
1217 EXTERN int	need_highlight_changed INIT(= TRUE);
1218 
1219 #define NSCRIPT 15
1220 EXTERN FILE	*scriptin[NSCRIPT];	    // streams to read script from
1221 EXTERN int	curscript INIT(= 0);	    // index in scriptin[]
1222 EXTERN FILE	*scriptout  INIT(= NULL);   // stream to write script to
1223 EXTERN int	read_cmd_fd INIT(= 0);	    // fd to read commands from
1224 
1225 // Set to TRUE when an interrupt signal occurred.
1226 // Volatile because it is used in signal handler catch_sigint().
1227 EXTERN volatile sig_atomic_t got_int INIT(= FALSE);
1228 
1229 // Set to TRUE when SIGUSR1 signal was detected.
1230 // Volatile because it is used in signal handler catch_sigint().
1231 EXTERN volatile sig_atomic_t got_sigusr1 INIT(= FALSE);
1232 
1233 #ifdef USE_TERM_CONSOLE
1234 EXTERN int	term_console INIT(= FALSE); // set to TRUE when console used
1235 #endif
1236 EXTERN int	termcap_active INIT(= FALSE);	// set by starttermcap()
1237 EXTERN tmode_T	cur_tmode INIT(= TMODE_COOK);	// input terminal mode
1238 EXTERN int	bangredo INIT(= FALSE);	    // set to TRUE with ! command
1239 EXTERN int	searchcmdlen;		    // length of previous search cmd
1240 #ifdef FEAT_SYN_HL
1241 EXTERN int	reg_do_extmatch INIT(= 0);  // Used when compiling regexp:
1242 					    // REX_SET to allow \z\(...\),
1243 					    // REX_USE to allow \z\1 et al.
1244 EXTERN reg_extmatch_T *re_extmatch_in INIT(= NULL); // Used by vim_regexec():
1245 					    // strings for \z\1...\z\9
1246 EXTERN reg_extmatch_T *re_extmatch_out INIT(= NULL); // Set by vim_regexec()
1247 					    // to store \z\(...\) matches
1248 #endif
1249 
1250 EXTERN int	did_outofmem_msg INIT(= FALSE);
1251 					    // set after out of memory msg
1252 EXTERN int	did_swapwrite_msg INIT(= FALSE);
1253 					    // set after swap write error msg
1254 EXTERN int	undo_off INIT(= FALSE);	    // undo switched off for now
1255 EXTERN int	global_busy INIT(= 0);	    // set when :global is executing
1256 EXTERN int	listcmd_busy INIT(= FALSE); // set when :argdo, :windo or
1257 					    // :bufdo is executing
1258 EXTERN int	need_start_insertmode INIT(= FALSE);
1259 					    // start insert mode soon
1260 #if defined(FEAT_EVAL) || defined(PROTO)
1261 EXTERN char_u	last_mode[MODE_MAX_LENGTH] INIT(= "n"); // for ModeChanged event
1262 #endif
1263 EXTERN char_u	*last_cmdline INIT(= NULL); // last command line (for ":)
1264 EXTERN char_u	*repeat_cmdline INIT(= NULL); // command line for "."
1265 EXTERN char_u	*new_last_cmdline INIT(= NULL);	// new value for last_cmdline
1266 EXTERN char_u	*autocmd_fname INIT(= NULL); // fname for <afile> on cmdline
1267 EXTERN int	autocmd_fname_full;	     // autocmd_fname is full path
1268 EXTERN int	autocmd_bufnr INIT(= 0);     // fnum for <abuf> on cmdline
1269 EXTERN char_u	*autocmd_match INIT(= NULL); // name for <amatch> on cmdline
1270 EXTERN int	did_cursorhold INIT(= FALSE); // set when CursorHold t'gerd
1271 EXTERN pos_T	last_cursormoved	      // for CursorMoved event
1272 # ifdef DO_INIT
1273 			= {0, 0, 0}
1274 # endif
1275 			;
1276 
1277 EXTERN int	postponed_split INIT(= 0);  // for CTRL-W CTRL-] command
1278 EXTERN int	postponed_split_flags INIT(= 0);  // args for win_split()
1279 EXTERN int	postponed_split_tab INIT(= 0);  // cmdmod.tab
1280 #ifdef FEAT_QUICKFIX
1281 EXTERN int	g_do_tagpreview INIT(= 0);  // for tag preview commands:
1282 					    // height of preview window
1283 #endif
1284 EXTERN int	g_tag_at_cursor INIT(= FALSE); // whether the tag command comes
1285 					    // from the command line (0) or was
1286 					    // invoked as a normal command (1)
1287 
1288 EXTERN int	replace_offset INIT(= 0);   // offset for replace_push()
1289 
1290 EXTERN char_u	*escape_chars INIT(= (char_u *)" \t\\\"|");
1291 					    // need backslash in cmd line
1292 
1293 EXTERN int	keep_help_flag INIT(= FALSE); // doing :ta from help file
1294 
1295 /*
1296  * When a string option is NULL (which only happens in out-of-memory
1297  * situations), it is set to empty_option, to avoid having to check for NULL
1298  * everywhere.
1299  */
1300 EXTERN char_u	*empty_option INIT(= (char_u *)"");
1301 
1302 EXTERN int  redir_off INIT(= FALSE);	// no redirection for a moment
1303 EXTERN FILE *redir_fd INIT(= NULL);	// message redirection file
1304 #ifdef FEAT_EVAL
1305 EXTERN int  redir_reg INIT(= 0);	// message redirection register
1306 EXTERN int  redir_vname INIT(= 0);	// message redirection variable
1307 EXTERN int  redir_execute INIT(= 0);	// execute() redirection
1308 #endif
1309 
1310 #ifdef FEAT_LANGMAP
1311 EXTERN char_u	langmap_mapchar[256];	// mapping for language keys
1312 #endif
1313 
1314 #ifdef FEAT_WILDMENU
1315 EXTERN int  save_p_ls INIT(= -1);	// Save 'laststatus' setting
1316 EXTERN int  save_p_wmh INIT(= -1);	// Save 'winminheight' setting
1317 EXTERN int  wild_menu_showing INIT(= 0);
1318 # define WM_SHOWN	1		// wildmenu showing
1319 # define WM_SCROLLED	2		// wildmenu showing with scroll
1320 #endif
1321 
1322 #ifdef MSWIN
1323 EXTERN char_u	toupper_tab[256];	// table for toupper()
1324 EXTERN char_u	tolower_tab[256];	// table for tolower()
1325 EXTERN int	found_register_arg INIT(= FALSE);
1326 #endif
1327 
1328 #ifdef FEAT_LINEBREAK
1329 EXTERN char	breakat_flags[256];	// which characters are in 'breakat'
1330 #endif
1331 
1332 // These are in version.c, call init_longVersion() before use.
1333 extern char *Version;
1334 #if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC)
1335 extern char longVersion[];
1336 #else
1337 extern char *longVersion;
1338 #endif
1339 
1340 /*
1341  * Some file names are stored in pathdef.c, which is generated from the
1342  * Makefile to make their value depend on the Makefile.
1343  */
1344 #ifdef HAVE_PATHDEF
1345 extern char_u *default_vim_dir;
1346 extern char_u *default_vimruntime_dir;
1347 extern char_u *all_cflags;
1348 extern char_u *all_lflags;
1349 # ifdef VMS
1350 extern char_u *compiler_version;
1351 extern char_u *compiled_arch;
1352 # endif
1353 extern char_u *compiled_user;
1354 extern char_u *compiled_sys;
1355 #endif
1356 
1357 EXTERN char_u	*homedir INIT(= NULL);
1358 
1359 // When a window has a local directory, the absolute path of the global
1360 // current directory is stored here (in allocated memory).  If the current
1361 // directory is not a local directory, globaldir is NULL.
1362 EXTERN char_u	*globaldir INIT(= NULL);
1363 
1364 // Characters from 'fillchars' option
1365 EXTERN int	fill_stl INIT(= ' ');
1366 EXTERN int	fill_stlnc INIT(= ' ');
1367 EXTERN int	fill_vert INIT(= ' ');
1368 EXTERN int	fill_fold INIT(= '-');
1369 EXTERN int	fill_foldopen INIT(= '-');
1370 EXTERN int	fill_foldclosed INIT(= '+');
1371 EXTERN int	fill_foldsep INIT(= '|');
1372 EXTERN int	fill_diff INIT(= '-');
1373 EXTERN int	fill_eob INIT(= '~');
1374 
1375 #ifdef FEAT_FOLDING
1376 EXTERN int	disable_fold_update INIT(= 0);
1377 #endif
1378 
1379 // Whether 'keymodel' contains "stopsel" and "startsel".
1380 EXTERN int	km_stopsel INIT(= FALSE);
1381 EXTERN int	km_startsel INIT(= FALSE);
1382 
1383 #ifdef FEAT_CMDWIN
1384 EXTERN int	cmdwin_type INIT(= 0);	// type of cmdline window or 0
1385 EXTERN int	cmdwin_result INIT(= 0); // result of cmdline window or 0
1386 #endif
1387 
1388 EXTERN char_u no_lines_msg[]	INIT(= N_("--No lines in buffer--"));
1389 
1390 /*
1391  * When ":global" is used to number of substitutions and changed lines is
1392  * accumulated until it's finished.
1393  * Also used for ":spellrepall".
1394  */
1395 EXTERN long	sub_nsubs;	// total number of substitutions
1396 EXTERN linenr_T	sub_nlines;	// total number of lines changed
1397 
1398 // Used when a compiled :substitute has an expression.
1399 EXTERN struct subs_expr_S	*substitute_instr INIT(= NULL);
1400 
1401 // table to store parsed 'wildmode'
1402 EXTERN char_u	wim_flags[4];
1403 
1404 #if defined(FEAT_TITLE) && defined(FEAT_STL_OPT)
1405 // whether titlestring and iconstring contains statusline syntax
1406 # define STL_IN_ICON	1
1407 # define STL_IN_TITLE	2
1408 EXTERN int      stl_syntax INIT(= 0);
1409 #endif
1410 
1411 #ifdef FEAT_SEARCH_EXTRA
1412 // don't use 'hlsearch' temporarily
1413 EXTERN int	no_hlsearch INIT(= FALSE);
1414 #endif
1415 
1416 #if defined(FEAT_BEVAL) && !defined(NO_X11_INCLUDES)
1417 EXTERN BalloonEval	*balloonEval INIT(= NULL);
1418 EXTERN int		balloonEvalForTerm INIT(= FALSE);
1419 # if defined(FEAT_NETBEANS_INTG)
1420 EXTERN int bevalServers INIT(= 0);
1421 #  define BEVAL_NETBEANS		0x01
1422 # endif
1423 #endif
1424 
1425 #ifdef CURSOR_SHAPE
1426 // the table is in misc2.c, because of initializations
1427 extern cursorentry_T shape_table[SHAPE_IDX_COUNT];
1428 #endif
1429 
1430 #ifdef FEAT_PRINTER
1431 /*
1432  * Printer stuff shared between hardcopy.c and machine-specific printing code.
1433  */
1434 # define OPT_PRINT_TOP		0
1435 # define OPT_PRINT_BOT		1
1436 # define OPT_PRINT_LEFT		2
1437 # define OPT_PRINT_RIGHT	3
1438 # define OPT_PRINT_HEADERHEIGHT	4
1439 # define OPT_PRINT_SYNTAX	5
1440 # define OPT_PRINT_NUMBER	6
1441 # define OPT_PRINT_WRAP		7
1442 # define OPT_PRINT_DUPLEX	8
1443 # define OPT_PRINT_PORTRAIT	9
1444 # define OPT_PRINT_PAPER	10
1445 # define OPT_PRINT_COLLATE	11
1446 # define OPT_PRINT_JOBSPLIT	12
1447 # define OPT_PRINT_FORMFEED	13
1448 
1449 # define OPT_PRINT_NUM_OPTIONS	14
1450 
1451 EXTERN option_table_T printer_opts[OPT_PRINT_NUM_OPTIONS]
1452 # ifdef DO_INIT
1453  =
1454 {
1455     {"top",	TRUE, 0, NULL, 0, FALSE},
1456     {"bottom",	TRUE, 0, NULL, 0, FALSE},
1457     {"left",	TRUE, 0, NULL, 0, FALSE},
1458     {"right",	TRUE, 0, NULL, 0, FALSE},
1459     {"header",	TRUE, 0, NULL, 0, FALSE},
1460     {"syntax",	FALSE, 0, NULL, 0, FALSE},
1461     {"number",	FALSE, 0, NULL, 0, FALSE},
1462     {"wrap",	FALSE, 0, NULL, 0, FALSE},
1463     {"duplex",	FALSE, 0, NULL, 0, FALSE},
1464     {"portrait", FALSE, 0, NULL, 0, FALSE},
1465     {"paper",	FALSE, 0, NULL, 0, FALSE},
1466     {"collate",	FALSE, 0, NULL, 0, FALSE},
1467     {"jobsplit", FALSE, 0, NULL, 0, FALSE},
1468     {"formfeed", FALSE, 0, NULL, 0, FALSE},
1469 }
1470 # endif
1471 ;
1472 
1473 // For prt_get_unit().
1474 # define PRT_UNIT_NONE	-1
1475 # define PRT_UNIT_PERC	0
1476 # define PRT_UNIT_INCH	1
1477 # define PRT_UNIT_MM	2
1478 # define PRT_UNIT_POINT	3
1479 # define PRT_UNIT_NAMES {"pc", "in", "mm", "pt"}
1480 #endif
1481 
1482 #if (defined(FEAT_PRINTER) && defined(FEAT_STL_OPT)) \
1483 	    || defined(FEAT_GUI_TABLINE)
1484 // Page number used for %N in 'pageheader' and 'guitablabel'.
1485 EXTERN linenr_T printer_page_num;
1486 #endif
1487 
1488 #ifdef FEAT_XCLIPBOARD
1489 // xterm display name
1490 EXTERN char	*xterm_display INIT(= NULL);
1491 
1492 // whether xterm_display was allocated, when FALSE it points into argv[]
1493 EXTERN int	xterm_display_allocated INIT(= FALSE);
1494 
1495 // xterm display pointer
1496 EXTERN Display	*xterm_dpy INIT(= NULL);
1497 #endif
1498 #if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11)
1499 EXTERN XtAppContext app_context INIT(= (XtAppContext)NULL);
1500 #endif
1501 
1502 #ifdef FEAT_GUI_GTK
1503 EXTERN guint32	gtk_socket_id INIT(= 0);
1504 EXTERN int	echo_wid_arg INIT(= FALSE);	// --echo-wid argument
1505 #endif
1506 
1507 #ifdef FEAT_GUI_MSWIN
1508 /*
1509  * The value of the --windowid argument.
1510  * For embedding gvim inside another application.
1511  */
1512 EXTERN long_u	win_socket_id INIT(= 0);
1513 #endif
1514 
1515 #if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL)
1516 EXTERN int	typebuf_was_filled INIT(= FALSE); // received text from client
1517 						  // or from feedkeys()
1518 #endif
1519 
1520 #ifdef FEAT_CLIENTSERVER
1521 EXTERN char_u	*serverName INIT(= NULL);	// name of the server
1522 # ifdef FEAT_X11
1523 EXTERN Window	commWindow INIT(= None);
1524 EXTERN Window	clientWindow INIT(= None);
1525 EXTERN Atom	commProperty INIT(= None);
1526 EXTERN char_u	*serverDelayedStartName INIT(= NULL);
1527 # else
1528 #  ifdef PROTO
1529 typedef int HWND;
1530 #  endif
1531 EXTERN HWND	clientWindow INIT(= 0);
1532 # endif
1533 #endif
1534 
1535 #if defined(UNIX) || defined(VMS)
1536 EXTERN int	term_is_xterm INIT(= FALSE);	// xterm-like 'term'
1537 #endif
1538 
1539 #ifdef BACKSLASH_IN_FILENAME
1540 EXTERN char	psepc INIT(= '\\');	// normal path separator character
1541 EXTERN char	psepcN INIT(= '/');	// abnormal path separator character
1542 // normal path separator string
1543 EXTERN char	pseps[2] INIT2('\\', 0);
1544 #endif
1545 
1546 // Set to TRUE when an operator is being executed with virtual editing, MAYBE
1547 // when no operator is being executed, FALSE otherwise.
1548 EXTERN int	virtual_op INIT(= MAYBE);
1549 
1550 #ifdef FEAT_SYN_HL
1551 // Display tick, incremented for each call to update_screen()
1552 EXTERN disptick_T	display_tick INIT(= 0);
1553 #endif
1554 
1555 #ifdef FEAT_SPELL
1556 // Line in which spell checking wasn't highlighted because it touched the
1557 // cursor position in Insert mode.
1558 EXTERN linenr_T		spell_redraw_lnum INIT(= 0);
1559 
1560 #define FOR_ALL_SPELL_LANGS(slang) \
1561     for ((slang) = first_lang; (slang) != NULL; (slang) = (slang)->sl_next)
1562 #endif
1563 
1564 #ifdef FEAT_CONCEAL
1565 // Set when the cursor line needs to be redrawn.
1566 EXTERN int		need_cursor_line_redraw INIT(= FALSE);
1567 #endif
1568 
1569 #ifdef USE_MCH_ERRMSG
1570 // Grow array to collect error messages in until they can be displayed.
1571 EXTERN garray_T error_ga
1572 # ifdef DO_INIT
1573 	= {0, 0, 0, 0, NULL}
1574 # endif
1575 	;
1576 #endif
1577 
1578 #ifdef FEAT_NETBEANS_INTG
1579 EXTERN char *netbeansArg INIT(= NULL);	// the -nb[:host:port:passwd] arg
1580 EXTERN int netbeansFireChanges INIT(= 1); // send buffer changes if != 0
1581 EXTERN int netbeansForcedQuit INIT(= 0);// don't write modified files
1582 EXTERN int netbeansReadFile INIT(= 1);	// OK to read from disk if != 0
1583 EXTERN int netbeansSuppressNoLines INIT(= 0); // skip "No lines in buffer"
1584 #endif
1585 
1586 /*
1587  * The error messages that can be shared are included here.
1588  * Excluded are errors that are only used once and debugging messages.
1589  */
1590 EXTERN char e_abort[]		INIT(= N_("E470: Command aborted"));
1591 EXTERN char e_argreq[]		INIT(= N_("E471: Argument required"));
1592 #ifdef FEAT_EVAL
1593 EXTERN char e_endif[]		INIT(= N_("E171: Missing :endif"));
1594 EXTERN char e_catch[]		INIT(= N_("E603: :catch without :try"));
1595 EXTERN char e_finally[]		INIT(= N_("E606: :finally without :try"));
1596 EXTERN char e_finally_dup[]	INIT(= N_("E607: multiple :finally"));
1597 EXTERN char e_endtry[]		INIT(= N_("E600: Missing :endtry"));
1598 EXTERN char e_no_endtry[]	INIT(= N_("E602: :endtry without :try"));
1599 EXTERN char e_endwhile[]	INIT(= N_("E170: Missing :endwhile"));
1600 EXTERN char e_endfor[]		INIT(= N_("E170: Missing :endfor"));
1601 EXTERN char e_while[]		INIT(= N_("E588: :endwhile without :while"));
1602 EXTERN char e_for[]		INIT(= N_("E588: :endfor without :for"));
1603 #endif
1604 EXTERN char e_failed[]	INIT(= N_("E472: Command failed"));
1605 #if defined(FEAT_GUI) && defined(FEAT_XFONTSET)
1606 EXTERN char e_fontset[]	INIT(= N_("E234: Unknown fontset: %s"));
1607 #endif
1608 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) \
1609 	|| defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_HAIKU)
1610 EXTERN char e_font[]		INIT(= N_("E235: Unknown font: %s"));
1611 #endif
1612 #if defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)
1613 EXTERN char e_fontwidth[]	INIT(= N_("E236: Font \"%s\" is not fixed-width"));
1614 #endif
1615 EXTERN char e_internal[]	INIT(= N_("E473: Internal error"));
1616 EXTERN char e_intern2[]		INIT(= N_("E685: Internal error: %s"));
1617 EXTERN char e_interr[]		INIT(= N_("Interrupted"));
1618 EXTERN char e_invarg[]		INIT(= N_("E474: Invalid argument"));
1619 EXTERN char e_invarg2[]		INIT(= N_("E475: Invalid argument: %s"));
1620 EXTERN char e_duparg2[]		INIT(= N_("E983: Duplicate argument: %s"));
1621 EXTERN char e_invargval[]	INIT(= N_("E475: Invalid value for argument %s"));
1622 EXTERN char e_invargNval[]	INIT(= N_("E475: Invalid value for argument %s: %s"));
1623 #ifdef FEAT_SPELL
1624 EXTERN char e_no_spell[]	INIT(= N_("E756: Spell checking is not possible"));
1625 #endif
1626 #ifdef FEAT_LIBCALL
1627 EXTERN char e_libcall[]	INIT(= N_("E364: Library call failed for \"%s()\""));
1628 #endif
1629 #ifdef HAVE_FSYNC
1630 EXTERN char e_fsync[]		INIT(= N_("E667: Fsync failed"));
1631 #endif
1632 #if defined(DYNAMIC_PERL) \
1633 	|| defined(DYNAMIC_PYTHON) || defined(DYNAMIC_PYTHON3) \
1634 	|| defined(DYNAMIC_RUBY) \
1635 	|| defined(DYNAMIC_TCL) \
1636 	|| defined(DYNAMIC_ICONV) \
1637 	|| defined(DYNAMIC_GETTEXT) \
1638 	|| defined(DYNAMIC_MZSCHEME) \
1639 	|| defined(DYNAMIC_LUA) \
1640 	|| defined(FEAT_TERMINAL)
1641 EXTERN char e_loadlib[]	INIT(= N_("E370: Could not load library %s: %s"));
1642 EXTERN char e_loadfunc[]	INIT(= N_("E448: Could not load library function %s"));
1643 #endif
1644 EXTERN char e_nobang[]	INIT(= N_("E477: No ! allowed"));
1645 #ifndef FEAT_ARABIC
1646 EXTERN char e_noarabic[]	INIT(= N_("E800: Arabic cannot be used: Not enabled at compile time\n"));
1647 #endif
1648 EXTERN char e_nomatch[]	INIT(= N_("E479: No match"));
1649 EXTERN char e_nomatch2[]	INIT(= N_("E480: No match: %s"));
1650 EXTERN char e_norange[]	INIT(= N_("E481: No range allowed"));
1651 #ifdef FEAT_CLIENTSERVER
1652 EXTERN char e_noserver[]	INIT(= N_("E247: no registered server named \"%s\""));
1653 #endif
1654 EXTERN char e_notcreate[]	INIT(= N_("E482: Can't create file %s"));
1655 EXTERN char e_notmp[]		INIT(= N_("E483: Can't get temp file name"));
1656 EXTERN char e_notopen[]		INIT(= N_("E484: Can't open file %s"));
1657 EXTERN char e_notread[]		INIT(= N_("E485: Can't read file %s"));
1658 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
1659 EXTERN char e_opendisp[]	INIT(= N_("E233: cannot open display"));
1660 #endif
1661 EXTERN char e_patnotf[]		INIT(= N_("Pattern not found"));
1662 EXTERN char e_patnotf2[]	INIT(= N_("E486: Pattern not found: %s"));
1663 EXTERN char e_positive[]	INIT(= N_("E487: Argument must be positive"));
1664 #if defined(UNIX) || defined(FEAT_SESSION)
1665 EXTERN char e_prev_dir[]	INIT(= N_("E459: Cannot go back to previous directory"));
1666 #endif
1667 
1668 #ifdef FEAT_QUICKFIX
1669 EXTERN char e_loclist[]		INIT(= N_("E776: No location list"));
1670 #endif
1671 #ifdef FEAT_EVAL
1672 EXTERN char e_letwrong[]	INIT(= N_("E734: Wrong variable type for %s="));
1673 EXTERN char e_illvar[]		INIT(= N_("E461: Illegal variable name: %s"));
1674 EXTERN char e_cannot_mod[]	INIT(= N_("E995: Cannot modify existing variable"));
1675 EXTERN char e_readonlysbx[]	INIT(= N_("E794: Cannot set variable in the sandbox: \"%s\""));
1676 EXTERN char e_stringreq[]	INIT(= N_("E928: String required"));
1677 EXTERN char e_numberreq[]	INIT(= N_("E889: Number required"));
1678 EXTERN char e_boolreq[]		INIT(= N_("E839: Bool required"));
1679 EXTERN char e_emptykey[]	INIT(= N_("E713: Cannot use empty key for Dictionary"));
1680 EXTERN char e_dictreq[]		INIT(= N_("E715: Dictionary required"));
1681 EXTERN char e_listidx[]		INIT(= N_("E684: list index out of range: %ld"));
1682 EXTERN char e_blobidx[]		INIT(= N_("E979: Blob index out of range: %ld"));
1683 EXTERN char e_invalblob[]	INIT(= N_("E978: Invalid operation for Blob"));
1684 EXTERN char e_toomanyarg[]	INIT(= N_("E118: Too many arguments for function: %s"));
1685 EXTERN char e_toofewarg[]	INIT(= N_("E119: Not enough arguments for function: %s"));
1686 EXTERN char e_func_deleted[]	INIT(= N_("E933: Function was deleted: %s"));
1687 EXTERN char e_dictkey[]		INIT(= N_("E716: Key not present in Dictionary: \"%s\""));
1688 EXTERN char e_listreq[]		INIT(= N_("E714: List required"));
1689 EXTERN char e_listblobreq[]	INIT(= N_("E897: List or Blob required"));
1690 EXTERN char e_list_end[]	INIT(= N_("E697: Missing end of List ']': %s"));
1691 EXTERN char e_listdictarg[]	INIT(= N_("E712: Argument of %s must be a List or Dictionary"));
1692 EXTERN char e_listdictblobarg[]	INIT(= N_("E896: Argument of %s must be a List, Dictionary or Blob"));
1693 EXTERN char e_modulus[]		INIT(= N_("E804: Cannot use '%' with Float"));
1694 EXTERN char e_const_option[]	INIT(= N_("E996: Cannot lock an option"));
1695 EXTERN char e_unknown_option[]	INIT(= N_("E113: Unknown option: %s"));
1696 EXTERN char e_reduceempty[]	INIT(= N_("E998: Reduce of an empty %s with no initial value"));
1697 EXTERN char e_no_dict_key[]	INIT(= N_("E857: Dictionary key \"%s\" required"));
1698 #endif
1699 EXTERN char e_secure[]		INIT(= N_("E523: Not allowed here"));
1700 EXTERN char e_textlock[]	INIT(= N_("E578: Not allowed to change text here"));
1701 EXTERN char e_textwinlock[]	INIT(= N_("E565: Not allowed to change text or change window"));
1702 #if defined(AMIGA) || defined(MACOS_X) || defined(MSWIN)  \
1703 	|| defined(UNIX) || defined(VMS)
1704 EXTERN char e_screenmode[]	INIT(= N_("E359: Screen mode setting not supported"));
1705 #endif
1706 EXTERN char e_shellempty[]	INIT(= N_("E91: 'shell' option is empty"));
1707 #if defined(FEAT_SIGN_ICONS) && !defined(FEAT_GUI_GTK)
1708 EXTERN char e_signdata[]	INIT(= N_("E255: Couldn't read in sign data!"));
1709 #endif
1710 EXTERN char e_swapclose[]	INIT(= N_("E72: Close error on swap file"));
1711 EXTERN char e_tagstack[]	INIT(= N_("E73: tag stack empty"));
1712 EXTERN char e_toocompl[]	INIT(= N_("E74: Command too complex"));
1713 EXTERN char e_longname[]	INIT(= N_("E75: Name too long"));
1714 EXTERN char e_toomsbra[]	INIT(= N_("E76: Too many ["));
1715 EXTERN char e_toomany[]	INIT(= N_("E77: Too many file names"));
1716 EXTERN char e_trailing[]	INIT(= N_("E488: Trailing characters"));
1717 EXTERN char e_trailing_arg[]	INIT(= N_("E488: Trailing characters: %s"));
1718 EXTERN char e_umark[]		INIT(= N_("E78: Unknown mark"));
1719 EXTERN char e_wildexpand[]	INIT(= N_("E79: Cannot expand wildcards"));
1720 EXTERN char e_winheight[]	INIT(= N_("E591: 'winheight' cannot be smaller than 'winminheight'"));
1721 EXTERN char e_winwidth[]	INIT(= N_("E592: 'winwidth' cannot be smaller than 'winminwidth'"));
1722 EXTERN char e_write[]		INIT(= N_("E80: Error while writing"));
1723 EXTERN char e_zerocount[]	INIT(= N_("E939: Positive count required"));
1724 #ifdef FEAT_EVAL
1725 EXTERN char e_usingsid[]	INIT(= N_("E81: Using <SID> not in a script context"));
1726 EXTERN char e_missing_paren[]	INIT(= N_("E107: Missing parentheses: %s"));
1727 EXTERN char e_missing_close[]	INIT(= N_("E110: Missing ')'"));
1728 EXTERN char e_missing_dict_colon[] INIT(= N_("E720: Missing colon in Dictionary: %s"));
1729 EXTERN char e_duplicate_key[]	INIT(= N_("E721: Duplicate key in Dictionary: \"%s\""));
1730 EXTERN char e_missing_dict_comma[] INIT(= N_("E722: Missing comma in Dictionary: %s"));
1731 EXTERN char e_missing_dict_end[]    INIT(= N_("E723: Missing end of Dictionary '}': %s"));
1732 #endif
1733 #ifdef FEAT_CLIENTSERVER
1734 EXTERN char e_invexprmsg[]	INIT(= N_("E449: Invalid expression received"));
1735 #endif
1736 #ifdef FEAT_NETBEANS_INTG
1737 EXTERN char e_guarded[]	INIT(= N_("E463: Region is guarded, cannot modify"));
1738 EXTERN char e_nbreadonly[]	INIT(= N_("E744: NetBeans does not allow changes in read-only files"));
1739 #endif
1740 EXTERN char e_maxmempat[]	INIT(= N_("E363: pattern uses more memory than 'maxmempattern'"));
1741 EXTERN char e_emptybuf[]	INIT(= N_("E749: empty buffer"));
1742 EXTERN char e_nobufnr[]	INIT(= N_("E86: Buffer %ld does not exist"));
1743 
1744 EXTERN char e_invalpat[]	INIT(= N_("E682: Invalid search pattern or delimiter"));
1745 EXTERN char e_bufloaded[]	INIT(= N_("E139: File is loaded in another buffer"));
1746 #if defined(FEAT_SYN_HL) || defined(FEAT_COMPL_FUNC)
1747 EXTERN char e_notset[]	INIT(= N_("E764: Option '%s' is not set"));
1748 #endif
1749 #ifndef FEAT_CLIPBOARD
1750 EXTERN char e_invalidreg[]    INIT(= N_("E850: Invalid register name"));
1751 #endif
1752 #ifdef FEAT_FLOAT
1753 EXTERN char e_float_as_string[] INIT(= N_("E806: using Float as a String"));
1754 #endif
1755 EXTERN char e_dirnotf[]	INIT(= N_("E919: Directory not found in '%s': \"%s\""));
1756 EXTERN char e_au_recursive[]	INIT(= N_("E952: Autocommand caused recursive behavior"));
1757 EXTERN char e_autocmd_close[]	INIT(= N_("E813: Cannot close autocmd or popup window"));
1758 #ifdef FEAT_MENU
1759 EXTERN char e_menuothermode[]	INIT(= N_("E328: Menu only exists in another mode"));
1760 #endif
1761 EXTERN char e_invalwindow[]	INIT(= N_("E957: Invalid window number"));
1762 EXTERN char e_listarg[]		INIT(= N_("E686: Argument of %s must be a List"));
1763 #ifdef FEAT_EVAL
1764 EXTERN char e_missing_colon[]	INIT(= N_("E109: Missing ':' after '?'"));
1765 EXTERN char e_missing_in[]	INIT(= N_("E690: Missing \"in\" after :for"));
1766 EXTERN char e_unknownfunc[]	INIT(= N_("E117: Unknown function: %s"));
1767 EXTERN char e_missbrac[]	INIT(= N_("E111: Missing ']'"));
1768 EXTERN char e_else_without_if[] INIT(= N_("E581: :else without :if"));
1769 EXTERN char e_elseif_without_if[] INIT(= N_("E582: :elseif without :if"));
1770 EXTERN char e_endif_without_if[] INIT(= N_("E580: :endif without :if"));
1771 EXTERN char e_continue[]	INIT(= N_("E586: :continue without :while or :for"));
1772 EXTERN char e_break[]		INIT(= N_("E587: :break without :while or :for"));
1773 EXTERN char e_nowhitespace[]	INIT(= N_("E274: No white space allowed before parenthesis"));
1774 
1775 EXTERN char e_lock_unlock[]	INIT(= N_("E940: Cannot lock or unlock variable %s"));
1776 #endif
1777 
1778 EXTERN char e_chan_or_job_req[]	INIT(= N_("E706: Channel or Job required"));
1779 EXTERN char e_jobreq[]		INIT(= N_("E693: Job required"));
1780 
1781 EXTERN char top_bot_msg[] INIT(= N_("search hit TOP, continuing at BOTTOM"));
1782 EXTERN char bot_top_msg[] INIT(= N_("search hit BOTTOM, continuing at TOP"));
1783 
1784 EXTERN char line_msg[]		INIT(= N_(" line "));
1785 
1786 #ifdef FEAT_CRYPT
1787 EXTERN char need_key_msg[] INIT(= N_("Need encryption key for \"%s\""));
1788 #endif
1789 
1790 /*
1791  * Comms. with the session manager (XSMP)
1792  */
1793 #ifdef USE_XSMP
1794 EXTERN int xsmp_icefd INIT(= -1);   // The actual connection
1795 #endif
1796 
1797 // For undo we need to know the lowest time possible.
1798 EXTERN time_T starttime;
1799 
1800 #ifdef STARTUPTIME
1801 EXTERN FILE *time_fd INIT(= NULL);  // where to write startup timing
1802 #endif
1803 
1804 /*
1805  * Some compilers warn for not using a return value, but in some situations we
1806  * can't do anything useful with the value.  Assign to this variable to avoid
1807  * the warning.
1808  */
1809 EXTERN int vim_ignored;
1810 EXTERN char *vim_ignoredp;
1811 
1812 #ifdef FEAT_EVAL
1813 // set by alloc_fail(): ID
1814 EXTERN alloc_id_T  alloc_fail_id INIT(= aid_none);
1815 // set by alloc_fail(), when zero alloc() returns NULL
1816 EXTERN int  alloc_fail_countdown INIT(= -1);
1817 // set by alloc_fail(), number of times alloc() returns NULL
1818 EXTERN int  alloc_fail_repeat INIT(= 0);
1819 
1820 // flags set by test_override()
1821 EXTERN int  disable_char_avail_for_testing INIT(= FALSE);
1822 EXTERN int  disable_redraw_for_testing INIT(= FALSE);
1823 EXTERN int  ignore_redraw_flag_for_testing INIT(= FALSE);
1824 EXTERN int  nfa_fail_for_testing INIT(= FALSE);
1825 EXTERN int  no_query_mouse_for_testing INIT(= FALSE);
1826 EXTERN int  ui_delay_for_testing INIT(= 0);
1827 EXTERN int  reset_term_props_on_termresponse INIT(= FALSE);
1828 EXTERN long override_sysinfo_uptime INIT(= -1);
1829 
1830 EXTERN int  in_free_unref_items INIT(= FALSE);
1831 #endif
1832 
1833 #ifdef FEAT_TIMERS
1834 EXTERN int  did_add_timer INIT(= FALSE);
1835 EXTERN int  timer_busy INIT(= 0);   // when timer is inside vgetc() then > 0
1836 #endif
1837 #ifdef FEAT_EVAL
1838 EXTERN int  input_busy INIT(= 0);   // when inside get_user_input() then > 0
1839 
1840 EXTERN typval_T	*lval_root INIT(= NULL);
1841 #endif
1842 
1843 #ifdef FEAT_BEVAL_TERM
1844 EXTERN int  bevalexpr_due_set INIT(= FALSE);
1845 EXTERN proftime_T bevalexpr_due;
1846 #endif
1847 
1848 #ifdef FEAT_EVAL
1849 EXTERN time_T time_for_testing INIT(= 0);
1850 
1851 EXTERN int echo_attr INIT(= 0);   // attributes used for ":echo"
1852 
1853 // Abort conversion to string after a recursion error.
1854 EXTERN int  did_echo_string_emsg INIT(= FALSE);
1855 
1856 // Used for checking if local variables or arguments used in a lambda.
1857 EXTERN int *eval_lavars_used INIT(= NULL);
1858 
1859 // Only filled for Win32.
1860 EXTERN char windowsVersion[20] INIT(= {0});
1861 
1862 // Used for lv_first in a non-materialized range() list.
1863 EXTERN listitem_T range_list_item;
1864 
1865 // Passed to an eval() function to enable evaluation.
1866 EXTERN evalarg_T EVALARG_EVALUATE
1867 # ifdef DO_INIT
1868 	= {EVAL_EVALUATE, 0, NULL, NULL, NULL, NULL, GA_EMPTY, GA_EMPTY, NULL,
1869 			 {0, 0, (int)sizeof(char_u *), 20, NULL}, 0, NULL}
1870 # endif
1871 	;
1872 #endif
1873 
1874 #ifdef MSWIN
1875 # ifdef PROTO
1876 typedef int HINSTANCE;
1877 # endif
1878 EXTERN int ctrl_break_was_pressed INIT(= FALSE);
1879 EXTERN HINSTANCE g_hinst INIT(= NULL);
1880 #endif
1881 
1882 #if defined(FEAT_JOB_CHANNEL)
1883 EXTERN int did_repeated_msg INIT(= 0);
1884 # define REPEATED_MSG_LOOKING	    1
1885 # define REPEATED_MSG_SAFESTATE	    2
1886 
1887 // This flag is set when outputting a terminal control code and reset in
1888 // out_flush() when characters have been written.
1889 EXTERN int ch_log_output INIT(= FALSE);
1890 
1891 // Whether a redraw is needed for appending a line to a buffer.
1892 EXTERN int channel_need_redraw INIT(= FALSE);
1893 
1894 #define FOR_ALL_CHANNELS(ch) \
1895     for ((ch) = first_channel; (ch) != NULL; (ch) = (ch)->ch_next)
1896 #define FOR_ALL_JOBS(job) \
1897     for ((job) = first_job; (job) != NULL; (job) = (job)->jv_next)
1898 #endif
1899 
1900 #if defined(FEAT_DIFF)
1901 #define FOR_ALL_DIFFBLOCKS_IN_TAB(tp, dp) \
1902     for ((dp) = (tp)->tp_first_diff; (dp) != NULL; (dp) = (dp)->df_next)
1903 #endif
1904 
1905 #define FOR_ALL_LIST_ITEMS(l, li) \
1906     for ((li) = (l) == NULL ? NULL : (l)->lv_first; (li) != NULL; (li) = (li)->li_next)
1907 
1908 // While executing a regexp and set to OPTION_MAGIC_ON or OPTION_MAGIC_OFF this
1909 // overrules p_magic.  Otherwise set to OPTION_MAGIC_NOT_SET.
1910 EXTERN optmagic_T magic_overruled INIT(= OPTION_MAGIC_NOT_SET);
1911