xref: /vim-8.2.3635/src/vim.h (revision cc7ff3fc)
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 #ifndef VIM__H
10 # define VIM__H
11 
12 /* use fastcall for Borland, when compiling for Win32 (not for DOS16) */
13 #if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
14 #if defined(FEAT_PERL) || \
15     defined(FEAT_PYTHON) || \
16     defined(FEAT_PYTHON3) || \
17     defined(FEAT_RUBY) || \
18     defined(FEAT_TCL) || \
19     defined(FEAT_MZSCHEME) || \
20     defined(DYNAMIC_GETTEXT) || \
21     defined(DYNAMIC_ICONV) || \
22     defined(DYNAMIC_IME) || \
23     defined(XPM)
24   #pragma option -pc
25 # else
26   #pragma option -pr
27 # endif
28 #endif
29 
30 #if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64) \
31 	|| defined(__EMX__)
32 # include "vimio.h"
33 #endif
34 
35 /* ============ the header file puzzle (ca. 50-100 pieces) ========= */
36 
37 #ifdef HAVE_CONFIG_H	/* GNU autoconf (or something else) was here */
38 # include "auto/config.h"
39 # define HAVE_PATHDEF
40 
41 /*
42  * Check if configure correctly managed to find sizeof(int).  If this failed,
43  * it becomes zero.  This is likely a problem of not being able to run the
44  * test program.  Other items from configure may also be wrong then!
45  */
46 # if (VIM_SIZEOF_INT == 0)
47     Error: configure did not run properly.  Check auto/config.log.
48 # endif
49 
50 /*
51  * Cygwin may have fchdir() in a newer release, but in most versions it
52  * doesn't work well and avoiding it keeps the binary backward compatible.
53  */
54 # if defined(__CYGWIN32__) && defined(HAVE_FCHDIR)
55 #  undef HAVE_FCHDIR
56 # endif
57 
58 /* We may need to define the uint32_t on non-Unix system, but using the same
59  * identifier causes conflicts.  Therefore use UINT32_T. */
60 # define UINT32_TYPEDEF uint32_t
61 #endif
62 
63 #if !defined(UINT32_TYPEDEF)
64 # if defined(uint32_t)  /* this doesn't catch typedefs, unfortunately */
65 #  define UINT32_TYPEDEF uint32_t
66 # else
67   /* Fall back to assuming unsigned int is 32 bit.  If this is wrong then the
68    * test in blowfish.c will fail. */
69 #  define UINT32_TYPEDEF unsigned int
70 # endif
71 #endif
72 
73 /* user ID of root is usually zero, but not for everybody */
74 #ifdef __TANDEM
75 # ifndef _TANDEM_SOURCE
76 #  define _TANDEM_SOURCE
77 # endif
78 # include <floss.h>
79 # define ROOT_UID 65535
80 # define OLDXAW
81 # if (_TANDEM_ARCH_ == 2 && __H_Series_RVU >= 621)
82 #  define SA_ONSTACK_COMPATIBILITY
83 # endif
84 #else
85 # define ROOT_UID 0
86 #endif
87 
88 #ifdef __EMX__		/* hand-edited config.h for OS/2 with EMX */
89 # include "os_os2_cfg.h"
90 #endif
91 
92 /*
93  * MACOS_CLASSIC compiling for MacOS prior to MacOS X
94  * MACOS_X_UNIX  compiling for MacOS X (using os_unix.c)
95  * MACOS_X       compiling for MacOS X (using os_unix.c)
96  * MACOS	 compiling for either one
97  */
98 #if defined(macintosh) && !defined(MACOS_CLASSIC)
99 # define MACOS_CLASSIC
100 #endif
101 #if defined(MACOS_X_UNIX)
102 # define MACOS_X
103 # ifndef HAVE_CONFIG_H
104 #  define UNIX
105 # endif
106 # ifndef FEAT_CLIPBOARD
107 #  define FEAT_CLIPBOARD
108 #  if defined(FEAT_SMALL) && !defined(FEAT_MOUSE)
109 #   define FEAT_MOUSE
110 #  endif
111 # endif
112 #endif
113 #if defined(MACOS_X) || defined(MACOS_CLASSIC)
114 # define MACOS
115 #endif
116 #if defined(MACOS_X) && defined(MACOS_CLASSIC)
117     Error: To compile for both MACOS X and Classic use a Classic Carbon
118 #endif
119 /* Unless made through the Makefile enforce GUI on Mac */
120 #if defined(MACOS) && !defined(HAVE_CONFIG_H)
121 # define FEAT_GUI_MAC
122 #endif
123 
124 #if defined(FEAT_GUI_MOTIF) \
125     || defined(FEAT_GUI_GTK) \
126     || defined(FEAT_GUI_ATHENA) \
127     || defined(FEAT_GUI_MAC) \
128     || defined(FEAT_GUI_W32) \
129     || defined(FEAT_GUI_W16) \
130     || defined(FEAT_GUI_PHOTON)
131 # define FEAT_GUI_ENABLED  /* also defined with NO_X11_INCLUDES */
132 # if !defined(FEAT_GUI) && !defined(NO_X11_INCLUDES)
133 #  define FEAT_GUI
134 # endif
135 #endif
136 
137 /* Check support for rendering options */
138 #ifdef FEAT_GUI
139 # if defined(FEAT_DIRECTX)
140 #  define FEAT_RENDER_OPTIONS
141 # endif
142 #endif
143 
144 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */
145 #if _MSC_VER >= 1400
146 # define _CRT_SECURE_NO_DEPRECATE
147 # define _CRT_NONSTDC_NO_DEPRECATE
148 #endif
149 
150 #if defined(FEAT_GUI_W32) || defined(FEAT_GUI_W16)
151 # define FEAT_GUI_MSWIN
152 #endif
153 #if defined(WIN16) || defined(WIN32) || defined(_WIN64)
154 # define MSWIN
155 #endif
156 /* Practically everything is common to both Win32 and Win64 */
157 #if defined(WIN32) || defined(_WIN64)
158 # define WIN3264
159 #endif
160 
161 /*
162  * VIM_SIZEOF_INT is used in feature.h, and the system-specific included files
163  * need items from feature.h.  Therefore define VIM_SIZEOF_INT here.
164  */
165 #ifdef WIN3264
166 # define VIM_SIZEOF_INT 4
167 #endif
168 #ifdef MSDOS
169 # ifdef DJGPP
170 #  ifndef FEAT_GUI_GTK		/* avoid problems when generating prototypes */
171 #   define VIM_SIZEOF_INT 4	/* 32 bit ints */
172 #  endif
173 #  define DOS32
174 #  define FEAT_CLIPBOARD
175 # else
176 #  ifndef FEAT_GUI_GTK		/* avoid problems when generating prototypes */
177 #   define VIM_SIZEOF_INT 2	/* 16 bit ints */
178 #  endif
179 #  define SMALL_MALLOC		/* 16 bit storage allocation */
180 #  define DOS16
181 # endif
182 #endif
183 
184 #ifdef AMIGA
185   /* Be conservative about sizeof(int). It could be 4 too. */
186 # ifndef FEAT_GUI_GTK	/* avoid problems when generating prototypes */
187 #  ifdef __GNUC__
188 #   define VIM_SIZEOF_INT	4
189 #  else
190 #   define VIM_SIZEOF_INT	2
191 #  endif
192 # endif
193 #endif
194 #ifdef MACOS
195 # if defined(__POWERPC__) || defined(MACOS_X) || defined(__fourbyteints__) \
196   || defined(__MRC__) || defined(__SC__) || defined(__APPLE_CC__)/* MPW Compilers */
197 #  define VIM_SIZEOF_INT 4
198 # else
199 #  define VIM_SIZEOF_INT 2
200 # endif
201 #endif
202 
203 
204 #include "feature.h"	/* #defines for optionals and features */
205 
206 /* +x11 is only enabled when it's both available and wanted. */
207 #if defined(HAVE_X11) && defined(WANT_X11)
208 # define FEAT_X11
209 #endif
210 
211 #ifdef NO_X11_INCLUDES
212     /* In os_mac_conv.c and os_macosx.m NO_X11_INCLUDES is defined to avoid
213      * X11 headers.  Disable all X11 related things to avoid conflicts. */
214 # ifdef FEAT_X11
215 #  undef FEAT_X11
216 # endif
217 # ifdef FEAT_GUI_X11
218 #  undef FEAT_GUI_X11
219 # endif
220 # ifdef FEAT_XCLIPBOARD
221 #  undef FEAT_XCLIPBOARD
222 # endif
223 # ifdef FEAT_GUI_MOTIF
224 #  undef FEAT_GUI_MOTIF
225 # endif
226 # ifdef FEAT_GUI_ATHENA
227 #  undef FEAT_GUI_ATHENA
228 # endif
229 # ifdef FEAT_GUI_GTK
230 #  undef FEAT_GUI_GTK
231 # endif
232 # ifdef FEAT_BEVAL_TIP
233 #  undef FEAT_BEVAL_TIP
234 # endif
235 # ifdef FEAT_XIM
236 #  undef FEAT_XIM
237 # endif
238 # ifdef FEAT_CLIENTSERVER
239 #  undef FEAT_CLIENTSERVER
240 # endif
241 #endif
242 
243 /* The Mac conversion stuff doesn't work under X11. */
244 #if defined(FEAT_MBYTE) && defined(MACOS_X)
245 # define MACOS_CONVERT
246 #endif
247 
248 /* Can't use "PACKAGE" here, conflicts with a Perl include file. */
249 #ifndef VIMPACKAGE
250 # define VIMPACKAGE	"vim"
251 #endif
252 
253 /*
254  * Find out if function definitions should include argument types
255  */
256 #ifdef AZTEC_C
257 # include <functions.h>
258 # define __ARGS(x)  x
259 #endif
260 
261 #ifdef SASC
262 # include <clib/exec_protos.h>
263 # define __ARGS(x)  x
264 #endif
265 
266 #ifdef _DCC
267 # include <clib/exec_protos.h>
268 # define __ARGS(x)  x
269 #endif
270 
271 #ifdef __TURBOC__
272 # define __ARGS(x) x
273 #endif
274 
275 #ifdef __BEOS__
276 # include "os_beos.h"
277 # define __ARGS(x)  x
278 #endif
279 
280 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) \
281 	&& (!defined(MACOS_X) || defined(HAVE_CONFIG_H))
282 # include "os_unix.h"	    /* bring lots of system header files */
283 #endif
284 
285 #if defined(MACOS) && (defined(__MRC__) || defined(__SC__))
286    /* Apple's Compilers support prototypes */
287 # define __ARGS(x) x
288 #endif
289 #ifndef __ARGS
290 # if defined(__STDC__) || defined(__GNUC__) || defined(WIN3264)
291 #  define __ARGS(x) x
292 # else
293 #  define __ARGS(x) ()
294 # endif
295 #endif
296 
297 /* __ARGS and __PARMS are the same thing. */
298 #ifndef __PARMS
299 # define __PARMS(x) __ARGS(x)
300 #endif
301 
302 /* Mark unused function arguments with UNUSED, so that gcc -Wunused-parameter
303  * can be used to check for mistakes. */
304 #ifdef HAVE_ATTRIBUTE_UNUSED
305 # define UNUSED __attribute__((unused))
306 #else
307 # define UNUSED
308 #endif
309 
310 /* if we're compiling in C++ (currently only KVim), the system
311  * headers must have the correct prototypes or nothing will build.
312  * conversely, our prototypes might clash due to throw() specifiers and
313  * cause compilation failures even though the headers are correct.  For
314  * a concrete example, gcc-3.2 enforces exception specifications, and
315  * glibc-2.2.5 has them in their system headers.
316  */
317 #if !defined(__cplusplus) && defined(UNIX) \
318   && !defined(MACOS_X) /* MACOS_X doesn't yet support osdef.h */
319 # include "auto/osdef.h"	/* bring missing declarations in */
320 #endif
321 
322 #ifdef __EMX__
323 # define    getcwd  _getcwd2
324 # define    chdir   _chdir2
325 # undef	    CHECK_INODE
326 #endif
327 
328 #ifdef AMIGA
329 # include "os_amiga.h"
330 #endif
331 
332 #ifdef MSDOS
333 # include "os_msdos.h"
334 #endif
335 
336 #ifdef WIN16
337 # include "os_win16.h"
338 #endif
339 
340 #ifdef WIN3264
341 # include "os_win32.h"
342 #endif
343 
344 #ifdef __MINT__
345 # include "os_mint.h"
346 #endif
347 
348 #if defined(MACOS)
349 # if defined(__MRC__) || defined(__SC__) /* MPW Compilers */
350 #  define HAVE_SETENV
351 # endif
352 # include "os_mac.h"
353 #endif
354 
355 #ifdef __QNX__
356 # include "os_qnx.h"
357 #endif
358 
359 #ifdef FEAT_SUN_WORKSHOP
360 # include "workshop.h"
361 #endif
362 
363 #ifdef X_LOCALE
364 # include <X11/Xlocale.h>
365 #else
366 # ifdef HAVE_LOCALE_H
367 #  include <locale.h>
368 # endif
369 #endif
370 
371 /*
372  * Maximum length of a path (for non-unix systems) Make it a bit long, to stay
373  * on the safe side.  But not too long to put on the stack.
374  */
375 #ifndef MAXPATHL
376 # ifdef MAXPATHLEN
377 #  define MAXPATHL  MAXPATHLEN
378 # else
379 #  define MAXPATHL  256
380 # endif
381 #endif
382 #ifdef BACKSLASH_IN_FILENAME
383 # define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`%#'\"|!<")
384 #else
385 # ifdef VMS
386     /* VMS allows a lot of characters in the file name */
387 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'\"|!")
388 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'|!()&")
389 # else
390 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<")
391 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<>();&")
392 # endif
393 #endif
394 
395 #define NUMBUFLEN 30	    /* length of a buffer to store a number in ASCII */
396 
397 /*
398  * Shorthand for unsigned variables. Many systems, but not all, have u_char
399  * already defined, so we use char_u to avoid trouble.
400  */
401 typedef unsigned char	char_u;
402 typedef unsigned short	short_u;
403 typedef unsigned int	int_u;
404 /* Make sure long_u is big enough to hold a pointer.
405  * On Win64, longs are 32 bits and pointers are 64 bits.
406  * For printf() and scanf(), we need to take care of long_u specifically. */
407 #ifdef _WIN64
408 typedef unsigned __int64	long_u;
409 typedef		 __int64	long_i;
410 # define SCANF_HEX_LONG_U       "%Ix"
411 # define SCANF_DECIMAL_LONG_U   "%Iu"
412 # define PRINTF_HEX_LONG_U      "0x%Ix"
413 #else
414   /* Microsoft-specific. The __w64 keyword should be specified on any typedefs
415    * that change size between 32-bit and 64-bit platforms.  For any such type,
416    * __w64 should appear only on the 32-bit definition of the typedef.
417    * Define __w64 as an empty token for everything but MSVC 7.x or later.
418    */
419 # if !defined(_MSC_VER)	|| (_MSC_VER < 1300)
420 #  define __w64
421 # endif
422 typedef unsigned long __w64	long_u;
423 typedef		 long __w64     long_i;
424 # define SCANF_HEX_LONG_U       "%lx"
425 # define SCANF_DECIMAL_LONG_U   "%lu"
426 # define PRINTF_HEX_LONG_U      "0x%lx"
427 #endif
428 #define PRINTF_DECIMAL_LONG_U SCANF_DECIMAL_LONG_U
429 
430 /*
431  * Only systems which use configure will have SIZEOF_OFF_T and VIM_SIZEOF_LONG
432  * defined, which is ok since those are the same systems which can have
433  * varying sizes for off_t.  The other systems will continue to use "%ld" to
434  * print off_t since off_t is simply a typedef to long for them.
435  */
436 #if defined(SIZEOF_OFF_T) && (SIZEOF_OFF_T > VIM_SIZEOF_LONG)
437 # define LONG_LONG_OFF_T
438 #endif
439 
440 /*
441  * The characters and attributes cached for the screen.
442  */
443 typedef char_u schar_T;
444 #ifdef FEAT_SYN_HL
445 typedef unsigned short sattr_T;
446 # define MAX_TYPENR 65535
447 #else
448 typedef unsigned char sattr_T;
449 # define MAX_TYPENR 255
450 #endif
451 
452 /*
453  * The u8char_T can hold one decoded UTF-8 character.
454  * We normally use 32 bits now, since some Asian characters don't fit in 16
455  * bits.  u8char_T is only used for displaying, it could be 16 bits to save
456  * memory.
457  */
458 #ifdef FEAT_MBYTE
459 # ifdef UNICODE16
460 typedef unsigned short u8char_T;    /* short should be 16 bits */
461 # else
462 #  if VIM_SIZEOF_INT >= 4
463 typedef unsigned int u8char_T;	    /* int is 32 bits */
464 #  else
465 typedef unsigned long u8char_T;	    /* long should be 32 bits or more */
466 #  endif
467 # endif
468 #endif
469 
470 #ifndef UNIX		    /* For Unix this is included in os_unix.h */
471 # include <stdio.h>
472 # include <ctype.h>
473 #endif
474 
475 #include "ascii.h"
476 #include "keymap.h"
477 #include "term.h"
478 #include "macros.h"
479 
480 #ifdef LATTICE
481 # include <sys/types.h>
482 # include <sys/stat.h>
483 #endif
484 #ifdef _DCC
485 # include <sys/stat.h>
486 #endif
487 #if defined(MSDOS) || defined(MSWIN)
488 # include <sys/stat.h>
489 #endif
490 
491 #if defined(HAVE_ERRNO_H) || defined(DJGPP) || defined(WIN16) \
492 	|| defined(WIN32) || defined(_WIN64) || defined(__EMX__)
493 # include <errno.h>
494 #endif
495 
496 /*
497  * Allow other (non-unix) systems to configure themselves now
498  * These are also in os_unix.h, because osdef.sh needs them there.
499  */
500 #ifndef UNIX
501 /* Note: Some systems need both string.h and strings.h (Savage).  If the
502  * system can't handle this, define NO_STRINGS_WITH_STRING_H. */
503 # ifdef HAVE_STRING_H
504 #  include <string.h>
505 # endif
506 # if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
507 #  include <strings.h>
508 # endif
509 # ifdef HAVE_STAT_H
510 #  include <stat.h>
511 # endif
512 # ifdef HAVE_STDLIB_H
513 #  include <stdlib.h>
514 # endif
515 #endif /* NON-UNIX */
516 
517 #include <assert.h>
518 
519 #ifdef HAVE_STDINT_H
520 # include <stdint.h>
521 #endif
522 #ifdef HAVE_INTTYPES_H
523 # include <inttypes.h>
524 #endif
525 #ifdef HAVE_WCTYPE_H
526 # include <wctype.h>
527 #endif
528 #ifdef HAVE_STDARG_H
529 # include <stdarg.h>
530 #endif
531 
532 #if defined(HAVE_SYS_SELECT_H) && \
533 	(!defined(HAVE_SYS_TIME_H) || defined(SYS_SELECT_WITH_SYS_TIME))
534 # include <sys/select.h>
535 #endif
536 
537 #ifndef HAVE_SELECT
538 # ifdef HAVE_SYS_POLL_H
539 #  include <sys/poll.h>
540 #  define HAVE_POLL
541 # else
542 #  ifdef HAVE_POLL_H
543 #   include <poll.h>
544 #   define HAVE_POLL
545 #  endif
546 # endif
547 #endif
548 
549 /* ================ end of the header file puzzle =============== */
550 
551 /*
552  * For dynamically loaded imm library. Currently, only for Win32.
553  */
554 #ifdef DYNAMIC_IME
555 # ifndef FEAT_MBYTE_IME
556 #  define FEAT_MBYTE_IME
557 # endif
558 #endif
559 
560 /*
561  * Check input method control.
562  */
563 #if defined(FEAT_XIM) \
564     || (defined(FEAT_GUI) && (defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME))) \
565     || (defined(FEAT_GUI_MAC) && defined(FEAT_MBYTE))
566 # define USE_IM_CONTROL
567 #endif
568 
569 /*
570  * For dynamically loaded gettext library.  Currently, only for Win32.
571  */
572 #ifdef DYNAMIC_GETTEXT
573 # ifndef FEAT_GETTEXT
574 #  define FEAT_GETTEXT
575 # endif
576 /* These are in os_win32.c */
577 extern char *(*dyn_libintl_gettext)(const char *msgid);
578 extern char *(*dyn_libintl_bindtextdomain)(const char *domainname, const char *dirname);
579 extern char *(*dyn_libintl_bind_textdomain_codeset)(const char *domainname, const char *codeset);
580 extern char *(*dyn_libintl_textdomain)(const char *domainname);
581 #endif
582 
583 
584 /*
585  * The _() stuff is for using gettext().  It is a no-op when libintl.h is not
586  * found or the +multilang feature is disabled.
587  */
588 #ifdef FEAT_GETTEXT
589 # ifdef DYNAMIC_GETTEXT
590 #  define _(x) (*dyn_libintl_gettext)((char *)(x))
591 #  define N_(x) x
592 #  define bindtextdomain(domain, dir) (*dyn_libintl_bindtextdomain)((domain), (dir))
593 #  define bind_textdomain_codeset(domain, codeset) (*dyn_libintl_bind_textdomain_codeset)((domain), (codeset))
594 #  if !defined(HAVE_BIND_TEXTDOMAIN_CODESET)
595 #   define HAVE_BIND_TEXTDOMAIN_CODESET 1
596 #  endif
597 #  define textdomain(domain) (*dyn_libintl_textdomain)(domain)
598 # else
599 #  include <libintl.h>
600 #  define _(x) gettext((char *)(x))
601 #  ifdef gettext_noop
602 #   define N_(x) gettext_noop(x)
603 #  else
604 #   define N_(x) x
605 #  endif
606 # endif
607 #else
608 # define _(x) ((char *)(x))
609 # define N_(x) x
610 # ifdef bindtextdomain
611 #  undef bindtextdomain
612 # endif
613 # define bindtextdomain(x, y) /* empty */
614 # ifdef bind_textdomain_codeset
615 #  undef bind_textdomain_codeset
616 # endif
617 # define bind_textdomain_codeset(x, y) /* empty */
618 # ifdef textdomain
619 #  undef textdomain
620 # endif
621 # define textdomain(x) /* empty */
622 #endif
623 
624 /*
625  * flags for update_screen()
626  * The higher the value, the higher the priority
627  */
628 #define VALID			10  /* buffer not changed, or changes marked
629 				       with b_mod_* */
630 #define INVERTED		20  /* redisplay inverted part that changed */
631 #define INVERTED_ALL		25  /* redisplay whole inverted part */
632 #define REDRAW_TOP		30  /* display first w_upd_rows screen lines */
633 #define SOME_VALID		35  /* like NOT_VALID but may scroll */
634 #define NOT_VALID		40  /* buffer needs complete redraw */
635 #define CLEAR			50  /* screen messed up, clear it */
636 
637 /*
638  * Flags for w_valid.
639  * These are set when something in a window structure becomes invalid, except
640  * when the cursor is moved.  Call check_cursor_moved() before testing one of
641  * the flags.
642  * These are reset when that thing has been updated and is valid again.
643  *
644  * Every function that invalidates one of these must call one of the
645  * invalidate_* functions.
646  *
647  * w_valid is supposed to be used only in screen.c.  From other files, use the
648  * functions that set or reset the flags.
649  *
650  * VALID_BOTLINE    VALID_BOTLINE_AP
651  *     on		on		w_botline valid
652  *     off		on		w_botline approximated
653  *     off		off		w_botline not valid
654  *     on		off		not possible
655  */
656 #define VALID_WROW	0x01	/* w_wrow (window row) is valid */
657 #define VALID_WCOL	0x02	/* w_wcol (window col) is valid */
658 #define VALID_VIRTCOL	0x04	/* w_virtcol (file col) is valid */
659 #define VALID_CHEIGHT	0x08	/* w_cline_height and w_cline_folded valid */
660 #define VALID_CROW	0x10	/* w_cline_row is valid */
661 #define VALID_BOTLINE	0x20	/* w_botine and w_empty_rows are valid */
662 #define VALID_BOTLINE_AP 0x40	/* w_botine is approximated */
663 #define VALID_TOPLINE	0x80	/* w_topline is valid (for cursor position) */
664 
665 /*
666  * Terminal highlighting attribute bits.
667  * Attributes above HL_ALL are used for syntax highlighting.
668  */
669 #define HL_NORMAL		0x00
670 #define HL_INVERSE		0x01
671 #define HL_BOLD			0x02
672 #define HL_ITALIC		0x04
673 #define HL_UNDERLINE		0x08
674 #define HL_UNDERCURL		0x10
675 #define HL_STANDOUT		0x20
676 #define HL_ALL			0x3f
677 
678 /* special attribute addition: Put message in history */
679 #define MSG_HIST		0x1000
680 
681 /*
682  * values for State
683  *
684  * The lower bits up to 0x20 are used to distinguish normal/visual/op_pending
685  * and cmdline/insert+replace mode.  This is used for mapping.  If none of
686  * these bits are set, no mapping is done.
687  * The upper bits are used to distinguish between other states.
688  */
689 #define NORMAL		0x01	/* Normal mode, command expected */
690 #define VISUAL		0x02	/* Visual mode - use get_real_state() */
691 #define OP_PENDING	0x04	/* Normal mode, operator is pending - use
692 				   get_real_state() */
693 #define CMDLINE		0x08	/* Editing command line */
694 #define INSERT		0x10	/* Insert mode */
695 #define LANGMAP		0x20	/* Language mapping, can be combined with
696 				   INSERT and CMDLINE */
697 
698 #define REPLACE_FLAG	0x40	/* Replace mode flag */
699 #define REPLACE		(REPLACE_FLAG + INSERT)
700 #ifdef FEAT_VREPLACE
701 # define VREPLACE_FLAG	0x80	/* Virtual-replace mode flag */
702 # define VREPLACE	(REPLACE_FLAG + VREPLACE_FLAG + INSERT)
703 #endif
704 #define LREPLACE	(REPLACE_FLAG + LANGMAP)
705 
706 #define NORMAL_BUSY	(0x100 + NORMAL) /* Normal mode, busy with a command */
707 #define HITRETURN	(0x200 + NORMAL) /* waiting for return or command */
708 #define ASKMORE		0x300	/* Asking if you want --more-- */
709 #define SETWSIZE	0x400	/* window size has changed */
710 #define ABBREV		0x500	/* abbreviation instead of mapping */
711 #define EXTERNCMD	0x600	/* executing an external command */
712 #define SHOWMATCH	(0x700 + INSERT) /* show matching paren */
713 #define CONFIRM		0x800	/* ":confirm" prompt */
714 #define SELECTMODE	0x1000	/* Select mode, only for mappings */
715 
716 #define MAP_ALL_MODES	(0x3f | SELECTMODE)	/* all mode bits used for
717 						 * mapping */
718 
719 /* directions */
720 #define FORWARD			1
721 #define BACKWARD		(-1)
722 #define FORWARD_FILE		3
723 #define BACKWARD_FILE		(-3)
724 
725 /* return values for functions */
726 #if !(defined(OK) && (OK == 1))
727 /* OK already defined to 1 in MacOS X curses, skip this */
728 # define OK			1
729 #endif
730 #define FAIL			0
731 #define NOTDONE			2   /* not OK or FAIL but skipped */
732 
733 /* flags for b_flags */
734 #define BF_RECOVERED	0x01	/* buffer has been recovered */
735 #define BF_CHECK_RO	0x02	/* need to check readonly when loading file
736 				   into buffer (set by ":e", may be reset by
737 				   ":buf" */
738 #define BF_NEVERLOADED	0x04	/* file has never been loaded into buffer,
739 				   many variables still need to be set */
740 #define BF_NOTEDITED	0x08	/* Set when file name is changed after
741 				   starting to edit, reset when file is
742 				   written out. */
743 #define BF_NEW		0x10	/* file didn't exist when editing started */
744 #define BF_NEW_W	0x20	/* Warned for BF_NEW and file created */
745 #define BF_READERR	0x40	/* got errors while reading the file */
746 #define BF_DUMMY	0x80	/* dummy buffer, only used internally */
747 #define BF_PRESERVED	0x100	/* ":preserve" was used */
748 
749 /* Mask to check for flags that prevent normal writing */
750 #define BF_WRITE_MASK	(BF_NOTEDITED + BF_NEW + BF_READERR)
751 
752 /*
753  * values for xp_context when doing command line completion
754  */
755 #define EXPAND_UNSUCCESSFUL	(-2)
756 #define EXPAND_OK		(-1)
757 #define EXPAND_NOTHING		0
758 #define EXPAND_COMMANDS		1
759 #define EXPAND_FILES		2
760 #define EXPAND_DIRECTORIES	3
761 #define EXPAND_SETTINGS		4
762 #define EXPAND_BOOL_SETTINGS	5
763 #define EXPAND_TAGS		6
764 #define EXPAND_OLD_SETTING	7
765 #define EXPAND_HELP		8
766 #define EXPAND_BUFFERS		9
767 #define EXPAND_EVENTS		10
768 #define EXPAND_MENUS		11
769 #define EXPAND_SYNTAX		12
770 #define EXPAND_HIGHLIGHT	13
771 #define EXPAND_AUGROUP		14
772 #define EXPAND_USER_VARS	15
773 #define EXPAND_MAPPINGS		16
774 #define EXPAND_TAGS_LISTFILES	17
775 #define EXPAND_FUNCTIONS	18
776 #define EXPAND_USER_FUNC	19
777 #define EXPAND_EXPRESSION	20
778 #define EXPAND_MENUNAMES	21
779 #define EXPAND_USER_COMMANDS	22
780 #define EXPAND_USER_CMD_FLAGS	23
781 #define EXPAND_USER_NARGS	24
782 #define EXPAND_USER_COMPLETE	25
783 #define EXPAND_ENV_VARS		26
784 #define EXPAND_LANGUAGE		27
785 #define EXPAND_COLORS		28
786 #define EXPAND_COMPILER		29
787 #define EXPAND_USER_DEFINED	30
788 #define EXPAND_USER_LIST	31
789 #define EXPAND_SHELLCMD		32
790 #define EXPAND_CSCOPE		33
791 #define EXPAND_SIGN		34
792 #define EXPAND_PROFILE		35
793 #define EXPAND_BEHAVE		36
794 #define EXPAND_FILETYPE		37
795 #define EXPAND_FILES_IN_PATH	38
796 #define EXPAND_OWNSYNTAX	39
797 #define EXPAND_LOCALES		40
798 #define EXPAND_HISTORY		41
799 #define EXPAND_USER		42
800 #define EXPAND_SYNTIME		43
801 #define EXPAND_USER_ADDR_TYPE	44
802 
803 /* Values for exmode_active (0 is no exmode) */
804 #define EXMODE_NORMAL		1
805 #define EXMODE_VIM		2
806 
807 /* Values for nextwild() and ExpandOne().  See ExpandOne() for meaning. */
808 #define WILD_FREE		1
809 #define WILD_EXPAND_FREE	2
810 #define WILD_EXPAND_KEEP	3
811 #define WILD_NEXT		4
812 #define WILD_PREV		5
813 #define WILD_ALL		6
814 #define WILD_LONGEST		7
815 #define WILD_ALL_KEEP		8
816 
817 #define WILD_LIST_NOTFOUND	0x01
818 #define WILD_HOME_REPLACE	0x02
819 #define WILD_USE_NL		0x04
820 #define WILD_NO_BEEP		0x08
821 #define WILD_ADD_SLASH		0x10
822 #define WILD_KEEP_ALL		0x20
823 #define WILD_SILENT		0x40
824 #define WILD_ESCAPE		0x80
825 #define WILD_ICASE		0x100
826 #define WILD_ALLLINKS		0x200
827 
828 /* Flags for expand_wildcards() */
829 #define EW_DIR		0x01	/* include directory names */
830 #define EW_FILE		0x02	/* include file names */
831 #define EW_NOTFOUND	0x04	/* include not found names */
832 #define EW_ADDSLASH	0x08	/* append slash to directory name */
833 #define EW_KEEPALL	0x10	/* keep all matches */
834 #define EW_SILENT	0x20	/* don't print "1 returned" from shell */
835 #define EW_EXEC		0x40	/* executable files */
836 #define EW_PATH		0x80	/* search in 'path' too */
837 #define EW_ICASE	0x100	/* ignore case */
838 #define EW_NOERROR	0x200	/* no error for bad regexp */
839 #define EW_NOTWILD	0x400	/* add match with literal name if exists */
840 #define EW_KEEPDOLLAR	0x800	/* do not escape $, $var is expanded */
841 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
842  * is used when executing commands and EW_SILENT for interactive expanding. */
843 #define EW_ALLLINKS	0x1000	/* also links not pointing to existing file */
844 #define EW_SHELLCMD	0x2000	/* called from expand_shellcmd(), don't check
845 				 * if executable is in $PATH */
846 
847 /* Flags for find_file_*() functions. */
848 #define FINDFILE_FILE	0	/* only files */
849 #define FINDFILE_DIR	1	/* only directories */
850 #define FINDFILE_BOTH	2	/* files and directories */
851 
852 #ifdef FEAT_VERTSPLIT
853 # define W_WINCOL(wp)	(wp->w_wincol)
854 # define W_WIDTH(wp)	(wp->w_width)
855 # define W_ENDCOL(wp)	(wp->w_wincol + wp->w_width)
856 # define W_VSEP_WIDTH(wp) (wp->w_vsep_width)
857 #else
858 # define W_WINCOL(wp)	0
859 # define W_WIDTH(wp)	Columns
860 # define W_ENDCOL(wp)	Columns
861 # define W_VSEP_WIDTH(wp) 0
862 #endif
863 #ifdef FEAT_WINDOWS
864 # define W_STATUS_HEIGHT(wp) (wp->w_status_height)
865 # define W_WINROW(wp)	(wp->w_winrow)
866 #else
867 # define W_STATUS_HEIGHT(wp) 0
868 # define W_WINROW(wp)	0
869 #endif
870 
871 #ifdef NO_EXPANDPATH
872 # define gen_expand_wildcards mch_expand_wildcards
873 #endif
874 
875 /* Values for the find_pattern_in_path() function args 'type' and 'action': */
876 #define FIND_ANY	1
877 #define FIND_DEFINE	2
878 #define CHECK_PATH	3
879 
880 #define ACTION_SHOW	1
881 #define ACTION_GOTO	2
882 #define ACTION_SPLIT	3
883 #define ACTION_SHOW_ALL	4
884 #ifdef FEAT_INS_EXPAND
885 # define ACTION_EXPAND	5
886 #endif
887 
888 #ifdef FEAT_SYN_HL
889 # define SST_MIN_ENTRIES 150	/* minimal size for state stack array */
890 # ifdef FEAT_GUI_W16
891 #  define SST_MAX_ENTRIES 500	/* (only up to 64K blocks) */
892 # else
893 #  define SST_MAX_ENTRIES 1000	/* maximal size for state stack array */
894 # endif
895 # define SST_FIX_STATES	 7	/* size of sst_stack[]. */
896 # define SST_DIST	 16	/* normal distance between entries */
897 # define SST_INVALID	(synstate_T *)-1	/* invalid syn_state pointer */
898 
899 # define HL_CONTAINED	0x01	/* not used on toplevel */
900 # define HL_TRANSP	0x02	/* has no highlighting	*/
901 # define HL_ONELINE	0x04	/* match within one line only */
902 # define HL_HAS_EOL	0x08	/* end pattern that matches with $ */
903 # define HL_SYNC_HERE	0x10	/* sync point after this item (syncing only) */
904 # define HL_SYNC_THERE	0x20	/* sync point at current line (syncing only) */
905 # define HL_MATCH	0x40	/* use match ID instead of item ID */
906 # define HL_SKIPNL	0x80	/* nextgroup can skip newlines */
907 # define HL_SKIPWHITE	0x100	/* nextgroup can skip white space */
908 # define HL_SKIPEMPTY	0x200	/* nextgroup can skip empty lines */
909 # define HL_KEEPEND	0x400	/* end match always kept */
910 # define HL_EXCLUDENL	0x800	/* exclude NL from match */
911 # define HL_DISPLAY	0x1000	/* only used for displaying, not syncing */
912 # define HL_FOLD	0x2000	/* define fold */
913 # define HL_EXTEND	0x4000	/* ignore a keepend */
914 # define HL_MATCHCONT	0x8000	/* match continued from previous line */
915 # define HL_TRANS_CONT	0x10000 /* transparent item without contains arg */
916 # define HL_CONCEAL	0x20000 /* can be concealed */
917 # define HL_CONCEALENDS	0x40000 /* can be concealed */
918 #endif
919 
920 /* Values for 'options' argument in do_search() and searchit() */
921 #define SEARCH_REV    0x01  /* go in reverse of previous dir. */
922 #define SEARCH_ECHO   0x02  /* echo the search command and handle options */
923 #define SEARCH_MSG    0x0c  /* give messages (yes, it's not 0x04) */
924 #define SEARCH_NFMSG  0x08  /* give all messages except not found */
925 #define SEARCH_OPT    0x10  /* interpret optional flags */
926 #define SEARCH_HIS    0x20  /* put search pattern in history */
927 #define SEARCH_END    0x40  /* put cursor at end of match */
928 #define SEARCH_NOOF   0x80  /* don't add offset to position */
929 #define SEARCH_START 0x100  /* start search without col offset */
930 #define SEARCH_MARK  0x200  /* set previous context mark */
931 #define SEARCH_KEEP  0x400  /* keep previous search pattern */
932 #define SEARCH_PEEK  0x800  /* peek for typed char, cancel search */
933 #define SEARCH_COL  0x1000  /* start at specified column instead of zero */
934 
935 /* Values for find_ident_under_cursor() */
936 #define FIND_IDENT	1	/* find identifier (word) */
937 #define FIND_STRING	2	/* find any string (WORD) */
938 #define FIND_EVAL	4	/* include "->", "[]" and "." */
939 
940 /* Values for file_name_in_line() */
941 #define FNAME_MESS	1	/* give error message */
942 #define FNAME_EXP	2	/* expand to path */
943 #define FNAME_HYP	4	/* check for hypertext link */
944 #define FNAME_INCL	8	/* apply 'includeexpr' */
945 #define FNAME_REL	16	/* ".." and "./" are relative to the (current)
946 				   file instead of the current directory */
947 #define FNAME_UNESC	32	/* remove backslashes used for escaping */
948 
949 /* Values for buflist_getfile() */
950 #define GETF_SETMARK	0x01	/* set pcmark before jumping */
951 #define GETF_ALT	0x02	/* jumping to alternate file (not buf num) */
952 #define GETF_SWITCH	0x04	/* respect 'switchbuf' settings when jumping */
953 
954 /* Values for buflist_new() flags */
955 #define BLN_CURBUF	1	/* May re-use curbuf for new buffer */
956 #define BLN_LISTED	2	/* Put new buffer in buffer list */
957 #define BLN_DUMMY	4	/* Allocating dummy buffer */
958 
959 /* Values for in_cinkeys() */
960 #define KEY_OPEN_FORW	0x101
961 #define KEY_OPEN_BACK	0x102
962 #define KEY_COMPLETE	0x103	/* end of completion */
963 
964 /* Values for "noremap" argument of ins_typebuf().  Also used for
965  * map->m_noremap and menu->noremap[]. */
966 #define REMAP_YES	0	/* allow remapping */
967 #define REMAP_NONE	-1	/* no remapping */
968 #define REMAP_SCRIPT	-2	/* remap script-local mappings only */
969 #define REMAP_SKIP	-3	/* no remapping for first char */
970 
971 /* Values for mch_call_shell() second argument */
972 #define SHELL_FILTER	1	/* filtering text */
973 #define SHELL_EXPAND	2	/* expanding wildcards */
974 #define SHELL_COOKED	4	/* set term to cooked mode */
975 #define SHELL_DOOUT	8	/* redirecting output */
976 #define SHELL_SILENT	16	/* don't print error returned by command */
977 #define SHELL_READ	32	/* read lines and insert into buffer */
978 #define SHELL_WRITE	64	/* write lines from buffer */
979 
980 /* Values returned by mch_nodetype() */
981 #define NODE_NORMAL	0	/* file or directory, check with mch_isdir()*/
982 #define NODE_WRITABLE	1	/* something we can write to (character
983 				   device, fifo, socket, ..) */
984 #define NODE_OTHER	2	/* non-writable thing (e.g., block device) */
985 
986 /* Values for readfile() flags */
987 #define READ_NEW	0x01	/* read a file into a new buffer */
988 #define READ_FILTER	0x02	/* read filter output */
989 #define READ_STDIN	0x04	/* read from stdin */
990 #define READ_BUFFER	0x08	/* read from curbuf (converting stdin) */
991 #define READ_DUMMY	0x10	/* reading into a dummy buffer */
992 #define READ_KEEP_UNDO	0x20	/* keep undo info*/
993 
994 /* Values for change_indent() */
995 #define INDENT_SET	1	/* set indent */
996 #define INDENT_INC	2	/* increase indent */
997 #define INDENT_DEC	3	/* decrease indent */
998 
999 /* Values for flags argument for findmatchlimit() */
1000 #define FM_BACKWARD	0x01	/* search backwards */
1001 #define FM_FORWARD	0x02	/* search forwards */
1002 #define FM_BLOCKSTOP	0x04	/* stop at start/end of block */
1003 #define FM_SKIPCOMM	0x08	/* skip comments */
1004 
1005 /* Values for action argument for do_buffer() */
1006 #define DOBUF_GOTO	0	/* go to specified buffer */
1007 #define DOBUF_SPLIT	1	/* split window and go to specified buffer */
1008 #define DOBUF_UNLOAD	2	/* unload specified buffer(s) */
1009 #define DOBUF_DEL	3	/* delete specified buffer(s) from buflist */
1010 #define DOBUF_WIPE	4	/* delete specified buffer(s) really */
1011 
1012 /* Values for start argument for do_buffer() */
1013 #define DOBUF_CURRENT	0	/* "count" buffer from current buffer */
1014 #define DOBUF_FIRST	1	/* "count" buffer from first buffer */
1015 #define DOBUF_LAST	2	/* "count" buffer from last buffer */
1016 #define DOBUF_MOD	3	/* "count" mod. buffer from current buffer */
1017 
1018 /* Values for sub_cmd and which_pat argument for search_regcomp() */
1019 /* Also used for which_pat argument for searchit() */
1020 #define RE_SEARCH	0	/* save/use pat in/from search_pattern */
1021 #define RE_SUBST	1	/* save/use pat in/from subst_pattern */
1022 #define RE_BOTH		2	/* save pat in both patterns */
1023 #define RE_LAST		2	/* use last used pattern if "pat" is NULL */
1024 
1025 /* Second argument for vim_regcomp(). */
1026 #define RE_MAGIC	1	/* 'magic' option */
1027 #define RE_STRING	2	/* match in string instead of buffer text */
1028 #define RE_STRICT	4	/* don't allow [abc] without ] */
1029 #define RE_AUTO		8	/* automatic engine selection */
1030 
1031 #ifdef FEAT_SYN_HL
1032 /* values for reg_do_extmatch */
1033 # define REX_SET	1	/* to allow \z\(...\), */
1034 # define REX_USE	2	/* to allow \z\1 et al. */
1035 #endif
1036 
1037 /* Return values for fullpathcmp() */
1038 /* Note: can use (fullpathcmp() & FPC_SAME) to check for equal files */
1039 #define FPC_SAME	1	/* both exist and are the same file. */
1040 #define FPC_DIFF	2	/* both exist and are different files. */
1041 #define FPC_NOTX	4	/* both don't exist. */
1042 #define FPC_DIFFX	6	/* one of them doesn't exist. */
1043 #define FPC_SAMEX	7	/* both don't exist and file names are same. */
1044 
1045 /* flags for do_ecmd() */
1046 #define ECMD_HIDE	0x01	/* don't free the current buffer */
1047 #define ECMD_SET_HELP	0x02	/* set b_help flag of (new) buffer before
1048 				   opening file */
1049 #define ECMD_OLDBUF	0x04	/* use existing buffer if it exists */
1050 #define ECMD_FORCEIT	0x08	/* ! used in Ex command */
1051 #define ECMD_ADDBUF	0x10	/* don't edit, just add to buffer list */
1052 
1053 /* for lnum argument in do_ecmd() */
1054 #define ECMD_LASTL	(linenr_T)0	/* use last position in loaded file */
1055 #define ECMD_LAST	(linenr_T)-1	/* use last position in all files */
1056 #define ECMD_ONE	(linenr_T)1	/* use first line */
1057 
1058 /* flags for do_cmdline() */
1059 #define DOCMD_VERBOSE	0x01	/* included command in error message */
1060 #define DOCMD_NOWAIT	0x02	/* don't call wait_return() and friends */
1061 #define DOCMD_REPEAT	0x04	/* repeat exec. until getline() returns NULL */
1062 #define DOCMD_KEYTYPED	0x08	/* don't reset KeyTyped */
1063 #define DOCMD_EXCRESET	0x10	/* reset exception environment (for debugging)*/
1064 #define DOCMD_KEEPLINE  0x20	/* keep typed line for repeating with "." */
1065 
1066 /* flags for beginline() */
1067 #define BL_WHITE	1	/* cursor on first non-white in the line */
1068 #define BL_SOL		2	/* use 'sol' option */
1069 #define BL_FIX		4	/* don't leave cursor on a NUL */
1070 
1071 /* flags for mf_sync() */
1072 #define MFS_ALL		1	/* also sync blocks with negative numbers */
1073 #define MFS_STOP	2	/* stop syncing when a character is available */
1074 #define MFS_FLUSH	4	/* flushed file to disk */
1075 #define MFS_ZERO	8	/* only write block 0 */
1076 
1077 /* flags for buf_copy_options() */
1078 #define BCO_ENTER	1	/* going to enter the buffer */
1079 #define BCO_ALWAYS	2	/* always copy the options */
1080 #define BCO_NOHELP	4	/* don't touch the help related options */
1081 
1082 /* flags for do_put() */
1083 #define PUT_FIXINDENT	1	/* make indent look nice */
1084 #define PUT_CURSEND	2	/* leave cursor after end of new text */
1085 #define PUT_CURSLINE	4	/* leave cursor on last line of new text */
1086 #define PUT_LINE	8	/* put register as lines */
1087 #define PUT_LINE_SPLIT	16	/* split line for linewise register */
1088 #define PUT_LINE_FORWARD 32	/* put linewise register below Visual sel. */
1089 
1090 /* flags for set_indent() */
1091 #define SIN_CHANGED	1	/* call changed_bytes() when line changed */
1092 #define SIN_INSERT	2	/* insert indent before existing text */
1093 #define SIN_UNDO	4	/* save line for undo before changing it */
1094 
1095 /* flags for insertchar() */
1096 #define INSCHAR_FORMAT	1	/* force formatting */
1097 #define INSCHAR_DO_COM	2	/* format comments */
1098 #define INSCHAR_CTRLV	4	/* char typed just after CTRL-V */
1099 #define INSCHAR_NO_FEX	8	/* don't use 'formatexpr' */
1100 #define INSCHAR_COM_LIST 16	/* format comments with list/2nd line indent */
1101 
1102 /* flags for open_line() */
1103 #define OPENLINE_DELSPACES  1	/* delete spaces after cursor */
1104 #define OPENLINE_DO_COM	    2	/* format comments */
1105 #define OPENLINE_KEEPTRAIL  4	/* keep trailing spaces */
1106 #define OPENLINE_MARKFIX    8	/* fix mark positions */
1107 #define OPENLINE_COM_LIST  16	/* format comments with list/2nd line indent */
1108 
1109 /*
1110  * There are four history tables:
1111  */
1112 #define HIST_CMD	0	/* colon commands */
1113 #define HIST_SEARCH	1	/* search commands */
1114 #define HIST_EXPR	2	/* expressions (from entering = register) */
1115 #define HIST_INPUT	3	/* input() lines */
1116 #define HIST_DEBUG	4	/* debug commands */
1117 #define HIST_COUNT	5	/* number of history tables */
1118 
1119 /*
1120  * Flags for chartab[].
1121  */
1122 #define CT_CELL_MASK	0x07	/* mask: nr of display cells (1, 2 or 4) */
1123 #define CT_PRINT_CHAR	0x10	/* flag: set for printable chars */
1124 #define CT_ID_CHAR	0x20	/* flag: set for ID chars */
1125 #define CT_FNAME_CHAR	0x40	/* flag: set for file name chars */
1126 
1127 /*
1128  * Values for do_tag().
1129  */
1130 #define DT_TAG		1	/* jump to newer position or same tag again */
1131 #define DT_POP		2	/* jump to older position */
1132 #define DT_NEXT		3	/* jump to next match of same tag */
1133 #define DT_PREV		4	/* jump to previous match of same tag */
1134 #define DT_FIRST	5	/* jump to first match of same tag */
1135 #define DT_LAST		6	/* jump to first match of same tag */
1136 #define DT_SELECT	7	/* jump to selection from list */
1137 #define DT_HELP		8	/* like DT_TAG, but no wildcards */
1138 #define DT_JUMP		9	/* jump to new tag or selection from list */
1139 #define DT_CSCOPE	10	/* cscope find command (like tjump) */
1140 #define DT_LTAG		11	/* tag using location list */
1141 #define DT_FREE		99	/* free cached matches */
1142 
1143 /*
1144  * flags for find_tags().
1145  */
1146 #define TAG_HELP	1	/* only search for help tags */
1147 #define TAG_NAMES	2	/* only return name of tag */
1148 #define	TAG_REGEXP	4	/* use tag pattern as regexp */
1149 #define	TAG_NOIC	8	/* don't always ignore case */
1150 #ifdef FEAT_CSCOPE
1151 # define TAG_CSCOPE	16	/* cscope tag */
1152 #endif
1153 #define TAG_VERBOSE	32	/* message verbosity */
1154 #define TAG_INS_COMP	64	/* Currently doing insert completion */
1155 #define TAG_KEEP_LANG	128	/* keep current language */
1156 
1157 #define TAG_MANY	300	/* When finding many tags (for completion),
1158 				   find up to this many tags */
1159 
1160 /*
1161  * Types of dialogs passed to do_vim_dialog().
1162  */
1163 #define VIM_GENERIC	0
1164 #define VIM_ERROR	1
1165 #define VIM_WARNING	2
1166 #define VIM_INFO	3
1167 #define VIM_QUESTION	4
1168 #define VIM_LAST_TYPE	4	/* sentinel value */
1169 
1170 /*
1171  * Return values for functions like gui_yesnocancel()
1172  */
1173 #define VIM_YES		2
1174 #define VIM_NO		3
1175 #define VIM_CANCEL	4
1176 #define VIM_ALL		5
1177 #define VIM_DISCARDALL  6
1178 
1179 /*
1180  * arguments for win_split()
1181  */
1182 #define WSP_ROOM	1	/* require enough room */
1183 #define WSP_VERT	2	/* split vertically */
1184 #define WSP_TOP		4	/* window at top-left of shell */
1185 #define WSP_BOT		8	/* window at bottom-right of shell */
1186 #define WSP_HELP	16	/* creating the help window */
1187 #define WSP_BELOW	32	/* put new window below/right */
1188 #define WSP_ABOVE	64	/* put new window above/left */
1189 #define WSP_NEWLOC	128	/* don't copy location list */
1190 
1191 /*
1192  * arguments for gui_set_shellsize()
1193  */
1194 #define RESIZE_VERT	1	/* resize vertically */
1195 #define RESIZE_HOR	2	/* resize horizontally */
1196 #define RESIZE_BOTH	15	/* resize in both directions */
1197 
1198 /*
1199  * flags for check_changed()
1200  */
1201 #define CCGD_AW		1	/* do autowrite if buffer was changed */
1202 #define CCGD_MULTWIN	2	/* check also when several wins for the buf */
1203 #define CCGD_FORCEIT	4	/* ! used */
1204 #define CCGD_ALLBUF	8	/* may write all buffers */
1205 #define CCGD_EXCMD	16	/* may suggest using ! */
1206 
1207 /*
1208  * "flags" values for option-setting functions.
1209  * When OPT_GLOBAL and OPT_LOCAL are both missing, set both local and global
1210  * values, get local value.
1211  */
1212 #define OPT_FREE	1	/* free old value if it was allocated */
1213 #define OPT_GLOBAL	2	/* use global value */
1214 #define OPT_LOCAL	4	/* use local value */
1215 #define OPT_MODELINE	8	/* option in modeline */
1216 #define OPT_WINONLY	16	/* only set window-local options */
1217 #define OPT_NOWIN	32	/* don't set window-local options */
1218 
1219 /* Magic chars used in confirm dialog strings */
1220 #define DLG_BUTTON_SEP	'\n'
1221 #define DLG_HOTKEY_CHAR	'&'
1222 
1223 /* Values for "starting" */
1224 #define NO_SCREEN	2	/* no screen updating yet */
1225 #define NO_BUFFERS	1	/* not all buffers loaded yet */
1226 /*			0	   not starting anymore */
1227 
1228 /* Values for swap_exists_action: what to do when swap file already exists */
1229 #define SEA_NONE	0	/* don't use dialog */
1230 #define SEA_DIALOG	1	/* use dialog when possible */
1231 #define SEA_QUIT	2	/* quit editing the file */
1232 #define SEA_RECOVER	3	/* recover the file */
1233 
1234 /*
1235  * Minimal size for block 0 of a swap file.
1236  * NOTE: This depends on size of struct block0! It's not done with a sizeof(),
1237  * because struct block0 is defined in memline.c (Sorry).
1238  * The maximal block size is arbitrary.
1239  */
1240 #define MIN_SWAP_PAGE_SIZE 1048
1241 #define MAX_SWAP_PAGE_SIZE 50000
1242 
1243 /* Special values for current_SID. */
1244 #define SID_MODELINE	-1	/* when using a modeline */
1245 #define SID_CMDARG	-2	/* for "--cmd" argument */
1246 #define SID_CARG	-3	/* for "-c" argument */
1247 #define SID_ENV		-4	/* for sourcing environment variable */
1248 #define SID_ERROR	-5	/* option was reset because of an error */
1249 #define SID_NONE	-6	/* don't set scriptID */
1250 
1251 /*
1252  * Events for autocommands.
1253  */
1254 enum auto_event
1255 {
1256     EVENT_BUFADD = 0,		/* after adding a buffer to the buffer list */
1257     EVENT_BUFNEW,		/* after creating any buffer */
1258     EVENT_BUFDELETE,		/* deleting a buffer from the buffer list */
1259     EVENT_BUFWIPEOUT,		/* just before really deleting a buffer */
1260     EVENT_BUFENTER,		/* after entering a buffer */
1261     EVENT_BUFFILEPOST,		/* after renaming a buffer */
1262     EVENT_BUFFILEPRE,		/* before renaming a buffer */
1263     EVENT_BUFLEAVE,		/* before leaving a buffer */
1264     EVENT_BUFNEWFILE,		/* when creating a buffer for a new file */
1265     EVENT_BUFREADPOST,		/* after reading a buffer */
1266     EVENT_BUFREADPRE,		/* before reading a buffer */
1267     EVENT_BUFREADCMD,		/* read buffer using command */
1268     EVENT_BUFUNLOAD,		/* just before unloading a buffer */
1269     EVENT_BUFHIDDEN,		/* just after buffer becomes hidden */
1270     EVENT_BUFWINENTER,		/* after showing a buffer in a window */
1271     EVENT_BUFWINLEAVE,		/* just after buffer removed from window */
1272     EVENT_BUFWRITEPOST,		/* after writing a buffer */
1273     EVENT_BUFWRITEPRE,		/* before writing a buffer */
1274     EVENT_BUFWRITECMD,		/* write buffer using command */
1275     EVENT_CMDWINENTER,		/* after entering the cmdline window */
1276     EVENT_CMDWINLEAVE,		/* before leaving the cmdline window */
1277     EVENT_COLORSCHEME,		/* after loading a colorscheme */
1278     EVENT_COMPLETEDONE,		/* after finishing insert complete */
1279     EVENT_FILEAPPENDPOST,	/* after appending to a file */
1280     EVENT_FILEAPPENDPRE,	/* before appending to a file */
1281     EVENT_FILEAPPENDCMD,	/* append to a file using command */
1282     EVENT_FILECHANGEDSHELL,	/* after shell command that changed file */
1283     EVENT_FILECHANGEDSHELLPOST,	/* after (not) reloading changed file */
1284     EVENT_FILECHANGEDRO,	/* before first change to read-only file */
1285     EVENT_FILEREADPOST,		/* after reading a file */
1286     EVENT_FILEREADPRE,		/* before reading a file */
1287     EVENT_FILEREADCMD,		/* read from a file using command */
1288     EVENT_FILETYPE,		/* new file type detected (user defined) */
1289     EVENT_FILEWRITEPOST,	/* after writing a file */
1290     EVENT_FILEWRITEPRE,		/* before writing a file */
1291     EVENT_FILEWRITECMD,		/* write to a file using command */
1292     EVENT_FILTERREADPOST,	/* after reading from a filter */
1293     EVENT_FILTERREADPRE,	/* before reading from a filter */
1294     EVENT_FILTERWRITEPOST,	/* after writing to a filter */
1295     EVENT_FILTERWRITEPRE,	/* before writing to a filter */
1296     EVENT_FOCUSGAINED,		/* got the focus */
1297     EVENT_FOCUSLOST,		/* lost the focus to another app */
1298     EVENT_GUIENTER,		/* after starting the GUI */
1299     EVENT_GUIFAILED,		/* after starting the GUI failed */
1300     EVENT_INSERTCHANGE,		/* when changing Insert/Replace mode */
1301     EVENT_INSERTENTER,		/* when entering Insert mode */
1302     EVENT_INSERTLEAVE,		/* when leaving Insert mode */
1303     EVENT_MENUPOPUP,		/* just before popup menu is displayed */
1304     EVENT_QUICKFIXCMDPOST,	/* after :make, :grep etc. */
1305     EVENT_QUICKFIXCMDPRE,	/* before :make, :grep etc. */
1306     EVENT_QUITPRE,		/* before :quit */
1307     EVENT_SESSIONLOADPOST,	/* after loading a session file */
1308     EVENT_STDINREADPOST,	/* after reading from stdin */
1309     EVENT_STDINREADPRE,		/* before reading from stdin */
1310     EVENT_SYNTAX,		/* syntax selected */
1311     EVENT_TERMCHANGED,		/* after changing 'term' */
1312     EVENT_TERMRESPONSE,		/* after setting "v:termresponse" */
1313     EVENT_USER,			/* user defined autocommand */
1314     EVENT_VIMENTER,		/* after starting Vim */
1315     EVENT_VIMLEAVE,		/* before exiting Vim */
1316     EVENT_VIMLEAVEPRE,		/* before exiting Vim and writing .viminfo */
1317     EVENT_VIMRESIZED,		/* after Vim window was resized */
1318     EVENT_WINENTER,		/* after entering a window */
1319     EVENT_WINLEAVE,		/* before leaving a window */
1320     EVENT_ENCODINGCHANGED,	/* after changing the 'encoding' option */
1321     EVENT_INSERTCHARPRE,	/* before inserting a char */
1322     EVENT_CURSORHOLD,		/* cursor in same position for a while */
1323     EVENT_CURSORHOLDI,		/* idem, in Insert mode */
1324     EVENT_FUNCUNDEFINED,	/* if calling a function which doesn't exist */
1325     EVENT_REMOTEREPLY,		/* upon string reception from a remote vim */
1326     EVENT_SWAPEXISTS,		/* found existing swap file */
1327     EVENT_SOURCEPRE,		/* before sourcing a Vim script */
1328     EVENT_SOURCECMD,		/* sourcing a Vim script using command */
1329     EVENT_SPELLFILEMISSING,	/* spell file missing */
1330     EVENT_CURSORMOVED,		/* cursor was moved */
1331     EVENT_CURSORMOVEDI,		/* cursor was moved in Insert mode */
1332     EVENT_TABLEAVE,		/* before leaving a tab page */
1333     EVENT_TABENTER,		/* after entering a tab page */
1334     EVENT_SHELLCMDPOST,		/* after ":!cmd" */
1335     EVENT_SHELLFILTERPOST,	/* after ":1,2!cmd", ":w !cmd", ":r !cmd". */
1336     EVENT_TEXTCHANGED,		/* text was modified */
1337     EVENT_TEXTCHANGEDI,		/* text was modified in Insert mode*/
1338     EVENT_CMDUNDEFINED,		/* command undefined */
1339     EVENT_OPTIONSET,		/* option was set */
1340     NUM_EVENTS			/* MUST be the last one */
1341 };
1342 
1343 typedef enum auto_event event_T;
1344 
1345 /*
1346  * Values for index in highlight_attr[].
1347  * When making changes, also update HL_FLAGS below!  And update the default
1348  * value of 'highlight' in option.c.
1349  */
1350 typedef enum
1351 {
1352     HLF_8 = 0	    /* Meta & special keys listed with ":map", text that is
1353 		       displayed different from what it is */
1354     , HLF_AT	    /* @ and ~ characters at end of screen, characters that
1355 		       don't really exist in the text */
1356     , HLF_D	    /* directories in CTRL-D listing */
1357     , HLF_E	    /* error messages */
1358     , HLF_H	    /* obsolete, ignored */
1359     , HLF_I	    /* incremental search */
1360     , HLF_L	    /* last search string */
1361     , HLF_M	    /* "--More--" message */
1362     , HLF_CM	    /* Mode (e.g., "-- INSERT --") */
1363     , HLF_N	    /* line number for ":number" and ":#" commands */
1364     , HLF_CLN	    /* current line number */
1365     , HLF_R	    /* return to continue message and yes/no questions */
1366     , HLF_S	    /* status lines */
1367     , HLF_SNC	    /* status lines of not-current windows */
1368     , HLF_C	    /* column to separate vertically split windows */
1369     , HLF_T	    /* Titles for output from ":set all", ":autocmd" etc. */
1370     , HLF_V	    /* Visual mode */
1371     , HLF_VNC	    /* Visual mode, autoselecting and not clipboard owner */
1372     , HLF_W	    /* warning messages */
1373     , HLF_WM	    /* Wildmenu highlight */
1374     , HLF_FL	    /* Folded line */
1375     , HLF_FC	    /* Fold column */
1376     , HLF_ADD	    /* Added diff line */
1377     , HLF_CHD	    /* Changed diff line */
1378     , HLF_DED	    /* Deleted diff line */
1379     , HLF_TXD	    /* Text Changed in diff line */
1380     , HLF_CONCEAL   /* Concealed text */
1381     , HLF_SC	    /* Sign column */
1382     , HLF_SPB	    /* SpellBad */
1383     , HLF_SPC	    /* SpellCap */
1384     , HLF_SPR	    /* SpellRare */
1385     , HLF_SPL	    /* SpellLocal */
1386     , HLF_PNI	    /* popup menu normal item */
1387     , HLF_PSI	    /* popup menu selected item */
1388     , HLF_PSB	    /* popup menu scrollbar */
1389     , HLF_PST	    /* popup menu scrollbar thumb */
1390     , HLF_TP	    /* tabpage line */
1391     , HLF_TPS	    /* tabpage line selected */
1392     , HLF_TPF	    /* tabpage line filler */
1393     , HLF_CUC	    /* 'cursurcolumn' */
1394     , HLF_CUL	    /* 'cursurline' */
1395     , HLF_MC	    /* 'colorcolumn' */
1396     , HLF_COUNT	    /* MUST be the last one */
1397 } hlf_T;
1398 
1399 /* The HL_FLAGS must be in the same order as the HLF_ enums!
1400  * When changing this also adjust the default for 'highlight'. */
1401 #define HL_FLAGS {'8', '@', 'd', 'e', 'h', 'i', 'l', 'm', 'M', \
1402 		  'n', 'N', 'r', 's', 'S', 'c', 't', 'v', 'V', 'w', 'W', \
1403 		  'f', 'F', 'A', 'C', 'D', 'T', '-', '>', \
1404 		  'B', 'P', 'R', 'L', \
1405 		  '+', '=', 'x', 'X', '*', '#', '_', '!', '.', 'o'}
1406 
1407 /*
1408  * Boolean constants
1409  */
1410 #ifndef TRUE
1411 # define FALSE	0	    /* note: this is an int, not a long! */
1412 # define TRUE	1
1413 #endif
1414 
1415 #define MAYBE	2	    /* sometimes used for a variant on TRUE */
1416 
1417 #ifndef UINT32_T
1418 typedef UINT32_TYPEDEF UINT32_T;
1419 #endif
1420 
1421 /*
1422  * Operator IDs; The order must correspond to opchars[] in ops.c!
1423  */
1424 #define OP_NOP		0	/* no pending operation */
1425 #define OP_DELETE	1	/* "d"  delete operator */
1426 #define OP_YANK		2	/* "y"  yank operator */
1427 #define OP_CHANGE	3	/* "c"  change operator */
1428 #define OP_LSHIFT	4	/* "<"  left shift operator */
1429 #define OP_RSHIFT	5	/* ">"  right shift operator */
1430 #define OP_FILTER	6	/* "!"  filter operator */
1431 #define OP_TILDE	7	/* "g~" switch case operator */
1432 #define OP_INDENT	8	/* "="  indent operator */
1433 #define OP_FORMAT	9	/* "gq" format operator */
1434 #define OP_COLON	10	/* ":"  colon operator */
1435 #define OP_UPPER	11	/* "gU" make upper case operator */
1436 #define OP_LOWER	12	/* "gu" make lower case operator */
1437 #define OP_JOIN		13	/* "J"  join operator, only for Visual mode */
1438 #define OP_JOIN_NS	14	/* "gJ"  join operator, only for Visual mode */
1439 #define OP_ROT13	15	/* "g?" rot-13 encoding */
1440 #define OP_REPLACE	16	/* "r"  replace chars, only for Visual mode */
1441 #define OP_INSERT	17	/* "I"  Insert column, only for Visual mode */
1442 #define OP_APPEND	18	/* "A"  Append column, only for Visual mode */
1443 #define OP_FOLD		19	/* "zf" define a fold */
1444 #define OP_FOLDOPEN	20	/* "zo" open folds */
1445 #define OP_FOLDOPENREC	21	/* "zO" open folds recursively */
1446 #define OP_FOLDCLOSE	22	/* "zc" close folds */
1447 #define OP_FOLDCLOSEREC	23	/* "zC" close folds recursively */
1448 #define OP_FOLDDEL	24	/* "zd" delete folds */
1449 #define OP_FOLDDELREC	25	/* "zD" delete folds recursively */
1450 #define OP_FORMAT2	26	/* "gw" format operator, keeps cursor pos */
1451 #define OP_FUNCTION	27	/* "g@" call 'operatorfunc' */
1452 
1453 /*
1454  * Motion types, used for operators and for yank/delete registers.
1455  */
1456 #define MCHAR	0		/* character-wise movement/register */
1457 #define MLINE	1		/* line-wise movement/register */
1458 #define MBLOCK	2		/* block-wise register */
1459 
1460 #define MAUTO	0xff		/* Decide between MLINE/MCHAR */
1461 
1462 /*
1463  * Minimum screen size
1464  */
1465 #define MIN_COLUMNS	12	/* minimal columns for screen */
1466 #define MIN_LINES	2	/* minimal lines for screen */
1467 #define STATUS_HEIGHT	1	/* height of a status line under a window */
1468 #define QF_WINHEIGHT	10	/* default height for quickfix window */
1469 
1470 /*
1471  * Buffer sizes
1472  */
1473 #ifndef CMDBUFFSIZE
1474 # define CMDBUFFSIZE	256	/* size of the command processing buffer */
1475 #endif
1476 
1477 #define LSIZE	    512		/* max. size of a line in the tags file */
1478 
1479 #define IOSIZE	   (1024+1)	/* file i/o and sprintf buffer size */
1480 
1481 #define DIALOG_MSG_SIZE 1000	/* buffer size for dialog_msg() */
1482 
1483 #ifdef FEAT_MBYTE
1484 # define MSG_BUF_LEN 480	/* length of buffer for small messages */
1485 # define MSG_BUF_CLEN  (MSG_BUF_LEN / 6)    /* cell length (worst case: utf-8
1486 					       takes 6 bytes for one cell) */
1487 #else
1488 # define MSG_BUF_LEN 80		/* length of buffer for small messages */
1489 # define MSG_BUF_CLEN  MSG_BUF_LEN	    /* cell length */
1490 #endif
1491 
1492 /* Size of the buffer used for tgetent().  Unfortunately this is largely
1493  * undocumented, some systems use 1024.  Using a buffer that is too small
1494  * causes a buffer overrun and a crash.  Use the maximum known value to stay
1495  * on the safe side. */
1496 #define TBUFSZ 2048		/* buffer size for termcap entry */
1497 
1498 /*
1499  * Maximum length of key sequence to be mapped.
1500  * Must be able to hold an Amiga resize report.
1501  */
1502 #define MAXMAPLEN   50
1503 
1504 /* Size in bytes of the hash used in the undo file. */
1505 #define UNDO_HASH_SIZE 32
1506 
1507 #ifdef HAVE_FCNTL_H
1508 # include <fcntl.h>
1509 #endif
1510 
1511 #ifdef BINARY_FILE_IO
1512 # define WRITEBIN   "wb"	/* no CR-LF translation */
1513 # define READBIN    "rb"
1514 # define APPENDBIN  "ab"
1515 #else
1516 # define WRITEBIN   "w"
1517 # define READBIN    "r"
1518 # define APPENDBIN  "a"
1519 #endif
1520 
1521 /*
1522  * EMX doesn't have a global way of making open() use binary I/O.
1523  * Use O_BINARY for all open() calls.
1524  */
1525 #if defined(__EMX__) || defined(__CYGWIN32__)
1526 # define O_EXTRA    O_BINARY
1527 #else
1528 # define O_EXTRA    0
1529 #endif
1530 
1531 #ifndef O_NOFOLLOW
1532 # define O_NOFOLLOW 0
1533 #endif
1534 
1535 #ifndef W_OK
1536 # define W_OK 2		/* for systems that don't have W_OK in unistd.h */
1537 #endif
1538 #ifndef R_OK
1539 # define R_OK 4		/* for systems that don't have R_OK in unistd.h */
1540 #endif
1541 
1542 /*
1543  * defines to avoid typecasts from (char_u *) to (char *) and back
1544  * (vim_strchr() and vim_strrchr() are now in alloc.c)
1545  */
1546 #define STRLEN(s)	    strlen((char *)(s))
1547 #define STRCPY(d, s)	    strcpy((char *)(d), (char *)(s))
1548 #define STRNCPY(d, s, n)    strncpy((char *)(d), (char *)(s), (size_t)(n))
1549 #define STRCMP(d, s)	    strcmp((char *)(d), (char *)(s))
1550 #define STRNCMP(d, s, n)    strncmp((char *)(d), (char *)(s), (size_t)(n))
1551 #ifdef HAVE_STRCASECMP
1552 # define STRICMP(d, s)	    strcasecmp((char *)(d), (char *)(s))
1553 #else
1554 # ifdef HAVE_STRICMP
1555 #  define STRICMP(d, s)	    stricmp((char *)(d), (char *)(s))
1556 # else
1557 #  define STRICMP(d, s)	    vim_stricmp((char *)(d), (char *)(s))
1558 # endif
1559 #endif
1560 
1561 /* Like strcpy() but allows overlapped source and destination. */
1562 #define STRMOVE(d, s)	    mch_memmove((d), (s), STRLEN(s) + 1)
1563 
1564 #ifdef HAVE_STRNCASECMP
1565 # define STRNICMP(d, s, n)  strncasecmp((char *)(d), (char *)(s), (size_t)(n))
1566 #else
1567 # ifdef HAVE_STRNICMP
1568 #  define STRNICMP(d, s, n) strnicmp((char *)(d), (char *)(s), (size_t)(n))
1569 # else
1570 #  define STRNICMP(d, s, n) vim_strnicmp((char *)(d), (char *)(s), (size_t)(n))
1571 # endif
1572 #endif
1573 
1574 #ifdef FEAT_MBYTE
1575 /* We need to call mb_stricmp() even when we aren't dealing with a multi-byte
1576  * encoding because mb_stricmp() takes care of all ascii and non-ascii
1577  * encodings, including characters with umlauts in latin1, etc., while
1578  * STRICMP() only handles the system locale version, which often does not
1579  * handle non-ascii properly. */
1580 
1581 # define MB_STRICMP(d, s)	mb_strnicmp((char_u *)(d), (char_u *)(s), (int)MAXCOL)
1582 # define MB_STRNICMP(d, s, n)	mb_strnicmp((char_u *)(d), (char_u *)(s), (int)(n))
1583 #else
1584 # define MB_STRICMP(d, s)	STRICMP((d), (s))
1585 # define MB_STRNICMP(d, s, n)	STRNICMP((d), (s), (n))
1586 #endif
1587 
1588 #define STRCAT(d, s)	    strcat((char *)(d), (char *)(s))
1589 #define STRNCAT(d, s, n)    strncat((char *)(d), (char *)(s), (size_t)(n))
1590 
1591 #ifdef HAVE_STRPBRK
1592 # define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
1593 #endif
1594 
1595 #define MSG(s)			    msg((char_u *)(s))
1596 #define MSG_ATTR(s, attr)	    msg_attr((char_u *)(s), (attr))
1597 #define EMSG(s)			    emsg((char_u *)(s))
1598 #define EMSG2(s, p)		    emsg2((char_u *)(s), (char_u *)(p))
1599 #define EMSG3(s, p, q)		    emsg3((char_u *)(s), (char_u *)(p), (char_u *)(q))
1600 #define EMSGN(s, n)		    emsgn((char_u *)(s), (long)(n))
1601 #define EMSGU(s, n)		    emsgu((char_u *)(s), (long_u)(n))
1602 #define OUT_STR(s)		    out_str((char_u *)(s))
1603 #define OUT_STR_NF(s)		    out_str_nf((char_u *)(s))
1604 #define MSG_PUTS(s)		    msg_puts((char_u *)(s))
1605 #define MSG_PUTS_ATTR(s, a)	    msg_puts_attr((char_u *)(s), (a))
1606 #define MSG_PUTS_TITLE(s)	    msg_puts_title((char_u *)(s))
1607 #define MSG_PUTS_LONG(s)	    msg_puts_long_attr((char_u *)(s), 0)
1608 #define MSG_PUTS_LONG_ATTR(s, a)    msg_puts_long_attr((char_u *)(s), (a))
1609 
1610 /* Prefer using emsg3(), because perror() may send the output to the wrong
1611  * destination and mess up the screen. */
1612 #ifdef HAVE_STRERROR
1613 # define PERROR(msg)		    (void)emsg3((char_u *)"%s: %s", (char_u *)msg, (char_u *)strerror(errno))
1614 #else
1615 # define PERROR(msg)		    perror(msg)
1616 #endif
1617 
1618 typedef long	linenr_T;		/* line number type */
1619 typedef int	colnr_T;		/* column number type */
1620 typedef unsigned short disptick_T;	/* display tick type */
1621 
1622 #define MAXLNUM (0x7fffffffL)		/* maximum (invalid) line number */
1623 
1624 /*
1625  * Well, you won't believe it, but some S/390 machines ("host", now also known
1626  * as zServer) use 31 bit pointers. There are also some newer machines, that
1627  * use 64 bit pointers. I don't know how to distinguish between 31 and 64 bit
1628  * machines, so the best way is to assume 31 bits whenever we detect OS/390
1629  * Unix.
1630  * With this we restrict the maximum line length to 1073741823. I guess this is
1631  * not a real problem. BTW:  Longer lines are split.
1632  */
1633 #if VIM_SIZEOF_INT >= 4
1634 # ifdef __MVS__
1635 #  define MAXCOL (0x3fffffffL)		/* maximum column number, 30 bits */
1636 # else
1637 #  define MAXCOL (0x7fffffffL)		/* maximum column number, 31 bits */
1638 # endif
1639 #else
1640 # define MAXCOL	(0x7fff)		/* maximum column number, 15 bits */
1641 #endif
1642 
1643 #define SHOWCMD_COLS 10			/* columns needed by shown command */
1644 #define STL_MAX_ITEM 80			/* max nr of %<flag> in statusline */
1645 
1646 typedef void	    *vim_acl_T;		/* dummy to pass an ACL to a function */
1647 
1648 /*
1649  * Include a prototype for mch_memmove(), it may not be in alloc.pro.
1650  */
1651 #ifdef VIM_MEMMOVE
1652 void mch_memmove __ARGS((void *, void *, size_t));
1653 #else
1654 # ifndef mch_memmove
1655 #  define mch_memmove(to, from, len) memmove(to, from, len)
1656 # endif
1657 #endif
1658 
1659 /*
1660  * fnamecmp() is used to compare file names.
1661  * On some systems case in a file name does not matter, on others it does.
1662  * (this does not account for maximum name lengths and things like "../dir",
1663  * thus it is not 100% accurate!)
1664  */
1665 #define fnamecmp(x, y) vim_fnamecmp((char_u *)(x), (char_u *)(y))
1666 #define fnamencmp(x, y, n) vim_fnamencmp((char_u *)(x), (char_u *)(y), (size_t)(n))
1667 
1668 #ifdef HAVE_MEMSET
1669 # define vim_memset(ptr, c, size)   memset((ptr), (c), (size))
1670 #else
1671 void *vim_memset __ARGS((void *, int, size_t));
1672 #endif
1673 
1674 #ifdef HAVE_MEMCMP
1675 # define vim_memcmp(p1, p2, len)   memcmp((p1), (p2), (len))
1676 #else
1677 # ifdef HAVE_BCMP
1678 #  define vim_memcmp(p1, p2, len)   bcmp((p1), (p2), (len))
1679 # else
1680 int vim_memcmp __ARGS((void *, void *, size_t));
1681 #  define VIM_MEMCMP
1682 # endif
1683 #endif
1684 
1685 #if defined(UNIX) || defined(FEAT_GUI) || defined(OS2) || defined(VMS) \
1686 	|| defined(FEAT_CLIENTSERVER)
1687 # define USE_INPUT_BUF
1688 #endif
1689 
1690 #ifndef EINTR
1691 # define read_eintr(fd, buf, count) vim_read((fd), (buf), (count))
1692 # define write_eintr(fd, buf, count) vim_write((fd), (buf), (count))
1693 #endif
1694 
1695 #ifdef MSWIN
1696 /* On MS-Windows the third argument isn't size_t.  This matters for Win64,
1697  * where sizeof(size_t)==8, not 4 */
1698 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (unsigned int)(count))
1699 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (unsigned int)(count))
1700 #else
1701 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (size_t) (count))
1702 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (size_t) (count))
1703 #endif
1704 
1705 /*
1706  * Enums need a typecast to be used as array index (for Ultrix).
1707  */
1708 #define hl_attr(n)	highlight_attr[(int)(n)]
1709 #define term_str(n)	term_strings[(int)(n)]
1710 
1711 /*
1712  * vim_iswhite() is used for "^" and the like. It differs from isspace()
1713  * because it doesn't include <CR> and <LF> and the like.
1714  */
1715 #define vim_iswhite(x)	((x) == ' ' || (x) == '\t')
1716 
1717 /*
1718  * EXTERN is only defined in main.c.  That's where global variables are
1719  * actually defined and initialized.
1720  */
1721 #ifndef EXTERN
1722 # define EXTERN extern
1723 # define INIT(x)
1724 #else
1725 # ifndef INIT
1726 #  define INIT(x) x
1727 #  define DO_INIT
1728 # endif
1729 #endif
1730 
1731 #ifdef FEAT_MBYTE
1732 # define MAX_MCO	6	/* maximum value for 'maxcombine' */
1733 
1734 /* Maximum number of bytes in a multi-byte character.  It can be one 32-bit
1735  * character of up to 6 bytes, or one 16-bit character of up to three bytes
1736  * plus six following composing characters of three bytes each. */
1737 # define MB_MAXBYTES	21
1738 #else
1739 # define MB_MAXBYTES	1
1740 #endif
1741 
1742 #if (defined(FEAT_PROFILE) || defined(FEAT_RELTIME)) && !defined(PROTO)
1743 # ifdef WIN3264
1744 typedef LARGE_INTEGER proftime_T;
1745 # else
1746 typedef struct timeval proftime_T;
1747 # endif
1748 #else
1749 typedef int proftime_T;	    /* dummy for function prototypes */
1750 #endif
1751 
1752 /* Include option.h before structs.h, because the number of window-local and
1753  * buffer-local options is used there. */
1754 #include "option.h"	    /* options and default values */
1755 
1756 /* Note that gui.h is included by structs.h */
1757 
1758 #include "structs.h"	    /* file that defines many structures */
1759 
1760 /* Values for "do_profiling". */
1761 #define PROF_NONE	0	/* profiling not started */
1762 #define PROF_YES	1	/* profiling busy */
1763 #define PROF_PAUSED	2	/* profiling paused */
1764 
1765 #ifdef FEAT_MOUSE
1766 
1767 /* Codes for mouse button events in lower three bits: */
1768 # define MOUSE_LEFT	0x00
1769 # define MOUSE_MIDDLE	0x01
1770 # define MOUSE_RIGHT	0x02
1771 # define MOUSE_RELEASE	0x03
1772 
1773 /* bit masks for modifiers: */
1774 # define MOUSE_SHIFT	0x04
1775 # define MOUSE_ALT	0x08
1776 # define MOUSE_CTRL	0x10
1777 
1778 /* mouse buttons that are handled like a key press (GUI only) */
1779 /* Note that the scroll wheel keys are inverted: MOUSE_5 scrolls lines up but
1780  * the result of this is that the window moves down, similarly MOUSE_6 scrolls
1781  * columns left but the window moves right. */
1782 # define MOUSE_4	0x100	/* scroll wheel down */
1783 # define MOUSE_5	0x200	/* scroll wheel up */
1784 
1785 # define MOUSE_X1	0x300 /* Mouse-button X1 (6th) */
1786 # define MOUSE_X2	0x400 /* Mouse-button X2 */
1787 
1788 # define MOUSE_6	0x500	/* scroll wheel left */
1789 # define MOUSE_7	0x600	/* scroll wheel right */
1790 
1791 /* 0x20 is reserved by xterm */
1792 # define MOUSE_DRAG_XTERM   0x40
1793 
1794 # define MOUSE_DRAG	(0x40 | MOUSE_RELEASE)
1795 
1796 /* Lowest button code for using the mouse wheel (xterm only) */
1797 # define MOUSEWHEEL_LOW		0x60
1798 
1799 # define MOUSE_CLICK_MASK	0x03
1800 
1801 # define NUM_MOUSE_CLICKS(code) \
1802     (((unsigned)((code) & 0xC0) >> 6) + 1)
1803 
1804 # define SET_NUM_MOUSE_CLICKS(code, num) \
1805     (code) = ((code) & 0x3f) | ((((num) - 1) & 3) << 6)
1806 
1807 /* Added to mouse column for GUI when 'mousefocus' wants to give focus to a
1808  * window by simulating a click on its status line.  We could use up to 128 *
1809  * 128 = 16384 columns, now it's reduced to 10000. */
1810 # define MOUSE_COLOFF 10000
1811 
1812 /*
1813  * jump_to_mouse() returns one of first four these values, possibly with
1814  * some of the other three added.
1815  */
1816 # define IN_UNKNOWN		0
1817 # define IN_BUFFER		1
1818 # define IN_STATUS_LINE		2	/* on status or command line */
1819 # define IN_SEP_LINE		4	/* on vertical separator line */
1820 # define IN_OTHER_WIN		8	/* in other window but can't go there */
1821 # define CURSOR_MOVED		0x100
1822 # define MOUSE_FOLD_CLOSE	0x200	/* clicked on '-' in fold column */
1823 # define MOUSE_FOLD_OPEN	0x400	/* clicked on '+' in fold column */
1824 
1825 /* flags for jump_to_mouse() */
1826 # define MOUSE_FOCUS		0x01	/* need to stay in this window */
1827 # define MOUSE_MAY_VIS		0x02	/* may start Visual mode */
1828 # define MOUSE_DID_MOVE		0x04	/* only act when mouse has moved */
1829 # define MOUSE_SETPOS		0x08	/* only set current mouse position */
1830 # define MOUSE_MAY_STOP_VIS	0x10	/* may stop Visual mode */
1831 # define MOUSE_RELEASED		0x20	/* button was released */
1832 
1833 # if defined(UNIX) && defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
1834 #  define CHECK_DOUBLE_CLICK 1	/* Checking for double clicks ourselves. */
1835 # endif
1836 
1837 #endif /* FEAT_MOUSE */
1838 
1839 /* defines for eval_vars() */
1840 #define VALID_PATH		1
1841 #define VALID_HEAD		2
1842 
1843 /* Defines for Vim variables.  These must match vimvars[] in eval.c! */
1844 #define VV_COUNT	0
1845 #define VV_COUNT1	1
1846 #define VV_PREVCOUNT	2
1847 #define VV_ERRMSG	3
1848 #define VV_WARNINGMSG	4
1849 #define VV_STATUSMSG	5
1850 #define VV_SHELL_ERROR	6
1851 #define VV_THIS_SESSION	7
1852 #define VV_VERSION	8
1853 #define VV_LNUM		9
1854 #define VV_TERMRESPONSE	10
1855 #define VV_FNAME	11
1856 #define VV_LANG		12
1857 #define VV_LC_TIME	13
1858 #define VV_CTYPE	14
1859 #define VV_CC_FROM	15
1860 #define VV_CC_TO	16
1861 #define VV_FNAME_IN	17
1862 #define VV_FNAME_OUT	18
1863 #define VV_FNAME_NEW	19
1864 #define VV_FNAME_DIFF	20
1865 #define VV_CMDARG	21
1866 #define VV_FOLDSTART	22
1867 #define VV_FOLDEND	23
1868 #define VV_FOLDDASHES	24
1869 #define VV_FOLDLEVEL	25
1870 #define VV_PROGNAME	26
1871 #define VV_SEND_SERVER	27
1872 #define VV_DYING	28
1873 #define VV_EXCEPTION	29
1874 #define VV_THROWPOINT	30
1875 #define VV_REG		31
1876 #define VV_CMDBANG	32
1877 #define VV_INSERTMODE	33
1878 #define VV_VAL		34
1879 #define VV_KEY		35
1880 #define VV_PROFILING	36
1881 #define VV_FCS_REASON	37
1882 #define VV_FCS_CHOICE	38
1883 #define VV_BEVAL_BUFNR	39
1884 #define VV_BEVAL_WINNR	40
1885 #define VV_BEVAL_LNUM	41
1886 #define VV_BEVAL_COL	42
1887 #define VV_BEVAL_TEXT	43
1888 #define VV_SCROLLSTART	44
1889 #define VV_SWAPNAME	45
1890 #define VV_SWAPCHOICE	46
1891 #define VV_SWAPCOMMAND	47
1892 #define VV_CHAR		48
1893 #define VV_MOUSE_WIN	49
1894 #define VV_MOUSE_LNUM   50
1895 #define VV_MOUSE_COL	51
1896 #define VV_OP		52
1897 #define VV_SEARCHFORWARD 53
1898 #define VV_HLSEARCH	54
1899 #define VV_OLDFILES	55
1900 #define VV_WINDOWID	56
1901 #define VV_PROGPATH	57
1902 #define VV_COMPLETED_ITEM 58
1903 #define VV_OPTION_NEW   59
1904 #define VV_OPTION_OLD   60
1905 #define VV_OPTION_TYPE  61
1906 #define VV_ERRORS	62
1907 #define VV_LEN		63	/* number of v: vars */
1908 
1909 #ifdef FEAT_CLIPBOARD
1910 
1911 /* VIM_ATOM_NAME is the older Vim-specific selection type for X11.  Still
1912  * supported for when a mix of Vim versions is used. VIMENC_ATOM_NAME includes
1913  * the encoding to support Vims using different 'encoding' values. */
1914 # define VIM_ATOM_NAME "_VIM_TEXT"
1915 # define VIMENC_ATOM_NAME "_VIMENC_TEXT"
1916 
1917 /* Selection states for modeless selection */
1918 # define SELECT_CLEARED		0
1919 # define SELECT_IN_PROGRESS	1
1920 # define SELECT_DONE		2
1921 
1922 # define SELECT_MODE_CHAR	0
1923 # define SELECT_MODE_WORD	1
1924 # define SELECT_MODE_LINE	2
1925 
1926 # ifdef FEAT_GUI_W32
1927 #  ifdef FEAT_OLE
1928 #   define WM_OLE (WM_APP+0)
1929 #  endif
1930 #  ifdef FEAT_NETBEANS_INTG
1931     /* message for Netbeans socket event */
1932 #   define WM_NETBEANS (WM_APP+1)
1933 #  endif
1934 # endif
1935 
1936 /* Info about selected text */
1937 typedef struct VimClipboard
1938 {
1939     int		available;	/* Is clipboard available? */
1940     int		owned;		/* Flag: do we own the selection? */
1941     pos_T	start;		/* Start of selected area */
1942     pos_T	end;		/* End of selected area */
1943     int		vmode;		/* Visual mode character */
1944 
1945     /* Fields for selection that doesn't use Visual mode */
1946     short_u	origin_row;
1947     short_u	origin_start_col;
1948     short_u	origin_end_col;
1949     short_u	word_start_col;
1950     short_u	word_end_col;
1951 
1952     pos_T	prev;		/* Previous position */
1953     short_u	state;		/* Current selection state */
1954     short_u	mode;		/* Select by char, word, or line. */
1955 
1956 # if defined(FEAT_GUI_X11) || defined(FEAT_XCLIPBOARD)
1957     Atom	sel_atom;	/* PRIMARY/CLIPBOARD selection ID */
1958 # endif
1959 
1960 # ifdef FEAT_GUI_GTK
1961     GdkAtom     gtk_sel_atom;	/* PRIMARY/CLIPBOARD selection ID */
1962 # endif
1963 
1964 # if defined(MSWIN) || defined(FEAT_CYGWIN_WIN32_CLIPBOARD)
1965     int_u	format;		/* Vim's own special clipboard format */
1966     int_u	format_raw;	/* Vim's raw text clipboard format */
1967 # endif
1968 } VimClipboard;
1969 #else
1970 typedef int VimClipboard;	/* This is required for the prototypes. */
1971 #endif
1972 
1973 #ifdef __BORLANDC__
1974 /* work around a bug in the Borland 'stat' function: */
1975 # include <io.h>	    /* for access() */
1976 
1977 # define stat(a,b) (access(a,0) ? -1 : stat(a,b))
1978 #endif
1979 
1980 #include "ex_cmds.h"	    /* Ex command defines */
1981 #include "proto.h"	    /* function prototypes */
1982 
1983 /* This has to go after the include of proto.h, as proto/gui.pro declares
1984  * functions of these names. The declarations would break if the defines had
1985  * been seen at that stage.  But it must be before globals.h, where error_ga
1986  * is declared. */
1987 #if !defined(FEAT_GUI_W32) && !defined(FEAT_GUI_X11) \
1988 	&& !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MAC)
1989 # define mch_errmsg(str)	fprintf(stderr, "%s", (str))
1990 # define display_errors()	fflush(stderr)
1991 # define mch_msg(str)		printf("%s", (str))
1992 #else
1993 # define USE_MCH_ERRMSG
1994 #endif
1995 
1996 #ifndef FEAT_MBYTE
1997 # define after_pathsep(b, p)	vim_ispathsep(*((p) - 1))
1998 # define transchar_byte(c)	transchar(c)
1999 #endif
2000 
2001 #ifndef FEAT_LINEBREAK
2002 /* Without the 'numberwidth' option line numbers are always 7 chars. */
2003 # define number_width(x) 7
2004 #endif
2005 
2006 
2007 #include "globals.h"	    /* global variables and messages */
2008 
2009 #ifdef FEAT_SNIFF
2010 # include "if_sniff.h"
2011 #endif
2012 
2013 #ifndef FEAT_VIRTUALEDIT
2014 # define getvvcol(w, p, s, c, e) getvcol(w, p, s, c, e)
2015 # define virtual_active() FALSE
2016 # define virtual_op FALSE
2017 #endif
2018 
2019 /*
2020  * If console dialog not supported, but GUI dialog is, use the GUI one.
2021  */
2022 #if defined(FEAT_GUI_DIALOG) && !defined(FEAT_CON_DIALOG)
2023 # define do_dialog gui_mch_dialog
2024 #endif
2025 
2026 /*
2027  * Default filters for gui_mch_browse().
2028  * The filters are almost system independent.  Except for the difference
2029  * between "*" and "*.*" for MSDOS-like systems.
2030  * NOTE: Motif only uses the very first pattern.  Therefore
2031  * BROWSE_FILTER_DEFAULT should start with a "*" pattern.
2032  */
2033 #ifdef FEAT_BROWSE
2034 # ifdef BACKSLASH_IN_FILENAME
2035 #  define BROWSE_FILTER_MACROS \
2036 	(char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*.*)\t*.*\n"
2037 #  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*.*)\t*.*\n"
2038 #  define BROWSE_FILTER_DEFAULT \
2039 	(char_u *)"All Files (*.*)\t*.*\nC source (*.c, *.h)\t*.c;*.h\nC++ source (*.cpp, *.hpp)\t*.cpp;*.hpp\nVB code (*.bas, *.frm)\t*.bas;*.frm\nVim files (*.vim, _vimrc, _gvimrc)\t*.vim;_vimrc;_gvimrc\n"
2040 # else
2041 #  define BROWSE_FILTER_MACROS \
2042 	(char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*)\t*\n"
2043 #  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*)\t*\n"
2044 #  define BROWSE_FILTER_DEFAULT \
2045 	(char_u *)"All Files (*)\t*\nC source (*.c, *.h)\t*.c;*.h\nC++ source (*.cpp, *.hpp)\t*.cpp;*.hpp\nVim files (*.vim, _vimrc, _gvimrc)\t*.vim;_vimrc;_gvimrc\n"
2046 # endif
2047 # define BROWSE_SAVE 1	    /* flag for do_browse() */
2048 # define BROWSE_DIR 2	    /* flag for do_browse() */
2049 #endif
2050 
2051 /* stop using fastcall for Borland */
2052 #if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
2053  #pragma option -p.
2054 #endif
2055 
2056 #ifdef _MSC_VER
2057 /* Avoid useless warning "conversion from X to Y of greater size". */
2058  #pragma warning(disable : 4312)
2059 /* Avoid warning for old style function declarators */
2060  #pragma warning(disable : 4131)
2061 /* Avoid warning for conversion to type with smaller range */
2062  #pragma warning(disable : 4244)
2063 /* Avoid warning for conversion to larger size */
2064  #pragma warning(disable : 4306)
2065 /* Avoid warning for unreferenced formal parameter */
2066  #pragma warning(disable : 4100)
2067 /* Avoid warning for differs in indirection to slightly different base type */
2068  #pragma warning(disable : 4057)
2069 /* Avoid warning for constant conditional expression */
2070  #pragma warning(disable : 4127)
2071 /* Avoid warning for assignment within conditional */
2072  #pragma warning(disable : 4706)
2073 #endif
2074 
2075 /* Note: a NULL argument for vim_realloc() is not portable, don't use it. */
2076 #if defined(MEM_PROFILE)
2077 # define vim_realloc(ptr, size)  mem_realloc((ptr), (size))
2078 #else
2079 # define vim_realloc(ptr, size)  realloc((ptr), (size))
2080 #endif
2081 
2082 /*
2083  * The following macros stop display/event loop nesting at the wrong time.
2084  */
2085 #ifdef ALT_X_INPUT
2086 # define ALT_INPUT_LOCK_OFF	suppress_alternate_input = FALSE
2087 # define ALT_INPUT_LOCK_ON	suppress_alternate_input = TRUE
2088 #endif
2089 
2090 #ifdef FEAT_MBYTE
2091 /*
2092  * Return byte length of character that starts with byte "b".
2093  * Returns 1 for a single-byte character.
2094  * MB_BYTE2LEN_CHECK() can be used to count a special key as one byte.
2095  * Don't call MB_BYTE2LEN(b) with b < 0 or b > 255!
2096  */
2097 # define MB_BYTE2LEN(b)		mb_bytelen_tab[b]
2098 # define MB_BYTE2LEN_CHECK(b)	(((b) < 0 || (b) > 255) ? 1 : mb_bytelen_tab[b])
2099 #endif
2100 
2101 #if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
2102 /* properties used in enc_canon_table[] (first three mutually exclusive) */
2103 # define ENC_8BIT	0x01
2104 # define ENC_DBCS	0x02
2105 # define ENC_UNICODE	0x04
2106 
2107 # define ENC_ENDIAN_B	0x10	    /* Unicode: Big endian */
2108 # define ENC_ENDIAN_L	0x20	    /* Unicode: Little endian */
2109 
2110 # define ENC_2BYTE	0x40	    /* Unicode: UCS-2 */
2111 # define ENC_4BYTE	0x80	    /* Unicode: UCS-4 */
2112 # define ENC_2WORD	0x100	    /* Unicode: UTF-16 */
2113 
2114 # define ENC_LATIN1	0x200	    /* Latin1 */
2115 # define ENC_LATIN9	0x400	    /* Latin9 */
2116 # define ENC_MACROMAN	0x800	    /* Mac Roman (not Macro Man! :-) */
2117 #endif
2118 
2119 #ifdef FEAT_MBYTE
2120 # ifdef USE_ICONV
2121 #  ifndef EILSEQ
2122 #   define EILSEQ 123
2123 #  endif
2124 #  ifdef DYNAMIC_ICONV
2125 /* On Win32 iconv.dll is dynamically loaded. */
2126 #   define ICONV_ERRNO (*iconv_errno())
2127 #   define ICONV_E2BIG  7
2128 #   define ICONV_EINVAL 22
2129 #   define ICONV_EILSEQ 42
2130 #  else
2131 #   define ICONV_ERRNO errno
2132 #   define ICONV_E2BIG  E2BIG
2133 #   define ICONV_EINVAL EINVAL
2134 #   define ICONV_EILSEQ EILSEQ
2135 #  endif
2136 # endif
2137 
2138 #endif
2139 
2140 /* ISSYMLINK(mode) tests if a file is a symbolic link. */
2141 #if (defined(S_IFMT) && defined(S_IFLNK)) || defined(S_ISLNK)
2142 # define HAVE_ISSYMLINK
2143 # if defined(S_IFMT) && defined(S_IFLNK)
2144 #  define ISSYMLINK(mode) (((mode) & S_IFMT) == S_IFLNK)
2145 # else
2146 #  define ISSYMLINK(mode) S_ISLNK(mode)
2147 # endif
2148 #endif
2149 
2150 #define SIGN_BYTE 1	    /* byte value used where sign is displayed;
2151 			       attribute value is sign type */
2152 
2153 #ifdef FEAT_NETBEANS_INTG
2154 # define MULTISIGN_BYTE 2   /* byte value used where sign is displayed if
2155 			       multiple signs exist on the line */
2156 #endif
2157 
2158 #if defined(FEAT_GUI) && defined(FEAT_XCLIPBOARD)
2159 # ifdef FEAT_GUI_GTK
2160    /* Avoid using a global variable for the X display.  It's ugly
2161     * and is likely to cause trouble in multihead environments. */
2162 #  define X_DISPLAY	((gui.in_use) ? gui_mch_get_display() : xterm_dpy)
2163 # else
2164 #  define X_DISPLAY	(gui.in_use ? gui.dpy : xterm_dpy)
2165 # endif
2166 #else
2167 # ifdef FEAT_GUI
2168 #  ifdef FEAT_GUI_GTK
2169 #   define X_DISPLAY	((gui.in_use) ? gui_mch_get_display() : (Display *)NULL)
2170 #  else
2171 #   define X_DISPLAY	gui.dpy
2172 #  endif
2173 # else
2174 #  define X_DISPLAY	xterm_dpy
2175 # endif
2176 #endif
2177 
2178 #if defined(FEAT_BROWSE) && defined(GTK_CHECK_VERSION)
2179 # if GTK_CHECK_VERSION(2,4,0)
2180 #  define USE_FILE_CHOOSER
2181 # endif
2182 #endif
2183 
2184 #ifndef FEAT_NETBEANS_INTG
2185 # undef NBDEBUG
2186 #endif
2187 #ifdef NBDEBUG /* Netbeans debugging. */
2188 # include "nbdebug.h"
2189 #else
2190 # define nbdebug(a)
2191 #endif
2192 
2193 #ifdef IN_PERL_FILE
2194   /*
2195    * Avoid clashes between Perl and Vim namespace.
2196    */
2197 # undef NORMAL
2198 # undef STRLEN
2199 # undef FF
2200 # undef OP_DELETE
2201 # undef OP_JOIN
2202 # ifdef __BORLANDC__
2203 #  define NOPROTO 1
2204 # endif
2205   /* remove MAX and MIN, included by glib.h, redefined by sys/param.h */
2206 # ifdef MAX
2207 #  undef MAX
2208 # endif
2209 # ifdef MIN
2210 #  undef MIN
2211 # endif
2212   /* We use _() for gettext(), Perl uses it for function prototypes... */
2213 # ifdef _
2214 #  undef _
2215 # endif
2216 # ifdef DEBUG
2217 #  undef DEBUG
2218 # endif
2219 # ifdef _DEBUG
2220 #  undef _DEBUG
2221 # endif
2222 # ifdef instr
2223 #  undef instr
2224 # endif
2225   /* bool may cause trouble on MACOS but is required on a few other systems
2226    * and for Perl */
2227 # if defined(bool) && defined(MACOS) && !defined(FEAT_PERL)
2228 #  undef bool
2229 # endif
2230 
2231 # ifdef __BORLANDC__
2232   /* Borland has the structure stati64 but not _stati64 */
2233 #  define _stati64 stati64
2234 # endif
2235 #endif
2236 
2237 /* values for vim_handle_signal() that are not a signal */
2238 #define SIGNAL_BLOCK	-1
2239 #define SIGNAL_UNBLOCK  -2
2240 #if !defined(UNIX) && !defined(VMS) && !defined(OS2)
2241 # define vim_handle_signal(x) 0
2242 #endif
2243 
2244 /* flags for skip_vimgrep_pat() */
2245 #define VGR_GLOBAL	1
2246 #define VGR_NOJUMP	2
2247 
2248 /* behavior for bad character, "++bad=" argument */
2249 #define BAD_REPLACE	'?'	/* replace it with '?' (default) */
2250 #define BAD_KEEP	-1	/* leave it */
2251 #define BAD_DROP	-2	/* erase it */
2252 
2253 /* last argument for do_source() */
2254 #define DOSO_NONE	0
2255 #define DOSO_VIMRC	1	/* loading vimrc file */
2256 #define DOSO_GVIMRC	2	/* loading gvimrc file */
2257 
2258 /* flags for read_viminfo() and children */
2259 #define VIF_WANT_INFO		1	/* load non-mark info */
2260 #define VIF_WANT_MARKS		2	/* load file marks */
2261 #define VIF_FORCEIT		4	/* overwrite info already read */
2262 #define VIF_GET_OLDFILES	8	/* load v:oldfiles */
2263 
2264 /* flags for buf_freeall() */
2265 #define BFA_DEL		1	/* buffer is going to be deleted */
2266 #define BFA_WIPE	2	/* buffer is going to be wiped out */
2267 #define BFA_KEEP_UNDO	4	/* do not free undo information */
2268 
2269 /* direction for nv_mousescroll() and ins_mousescroll() */
2270 #define MSCR_DOWN	0	/* DOWN must be FALSE */
2271 #define MSCR_UP		1
2272 #define MSCR_LEFT	-1
2273 #define MSCR_RIGHT	-2
2274 
2275 #define KEYLEN_PART_KEY -1	/* keylen value for incomplete key-code */
2276 #define KEYLEN_PART_MAP -2	/* keylen value for incomplete mapping */
2277 #define KEYLEN_REMOVED  9999	/* keylen value for removed sequence */
2278 
2279 /* Return values from win32_fileinfo(). */
2280 #define FILEINFO_OK	     0
2281 #define FILEINFO_ENC_FAIL    1	/* enc_to_utf16() failed */
2282 #define FILEINFO_READ_FAIL   2	/* CreateFile() failed */
2283 #define FILEINFO_INFO_FAIL   3	/* GetFileInformationByHandle() failed */
2284 
2285 /* Return value from get_option_value_strict */
2286 #define SOPT_BOOL	0x01	/* Boolean option */
2287 #define SOPT_NUM	0x02	/* Number option */
2288 #define SOPT_STRING	0x04	/* String option */
2289 #define SOPT_GLOBAL	0x08	/* Option has global value */
2290 #define SOPT_WIN	0x10	/* Option has window-local value */
2291 #define SOPT_BUF	0x20	/* Option has buffer-local value */
2292 #define SOPT_UNSET	0x40	/* Option does not have local value set */
2293 
2294 /* Option types for various functions in option.c */
2295 #define SREQ_GLOBAL	0	/* Request global option */
2296 #define SREQ_WIN	1	/* Request window-local option */
2297 #define SREQ_BUF	2	/* Request buffer-local option */
2298 
2299 /* Flags for get_reg_contents */
2300 #define GREG_NO_EXPR	1	/* Do not allow expression register */
2301 #define GREG_EXPR_SRC	2	/* Return expression itself for "=" register */
2302 #define GREG_LIST	4	/* Return list */
2303 
2304 /* Character used as separated in autoload function/variable names. */
2305 #define AUTOLOAD_CHAR '#'
2306 
2307 #ifdef FEAT_EVAL
2308 # define SET_NO_HLSEARCH(flag) no_hlsearch = (flag); set_vim_var_nr(VV_HLSEARCH, !no_hlsearch && p_hls)
2309 #else
2310 # define SET_NO_HLSEARCH(flag) no_hlsearch = (flag)
2311 #endif
2312 
2313 #endif /* VIM__H */
2314