xref: /vim-8.2.3635/src/vim.h (revision c3d2c447)
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 /* ============ the header file puzzle (ca. 50-100 pieces) ========= */
31 
32 #ifdef HAVE_CONFIG_H	/* GNU autoconf (or something else) was here */
33 # include "auto/config.h"
34 # define HAVE_PATHDEF
35 
36 /*
37  * Check if configure correctly managed to find sizeof(int).  If this failed,
38  * it becomes zero.  This is likely a problem of not being able to run the
39  * test program.  Other items from configure may also be wrong then!
40  */
41 # if (SIZEOF_INT == 0)
42     Error: configure did not run properly.  Check auto/config.log.
43 # endif
44 
45 /*
46  * Cygwin may have fchdir() in a newer release, but in most versions it
47  * doesn't work well and avoiding it keeps the binary backward compatible.
48  */
49 # if defined(__CYGWIN32__) && defined(HAVE_FCHDIR)
50 #  undef HAVE_FCHDIR
51 # endif
52 
53 /* We may need to define the uint32_t on non-Unix system, but using the same
54  * identifier causes conflicts.  Therefore use UINT32_T. */
55 # define UINT32_TYPEDEF uint32_t
56 #endif
57 
58 #if !defined(UINT32_TYPEDEF)
59 # if defined(uint32_t)  /* this doesn't catch typedefs, unfortunately */
60 #  define UINT32_TYPEDEF uint32_t
61 # else
62   /* Fall back to assuming unsigned int is 32 bit.  If this is wrong then the
63    * test in blowfish.c will fail. */
64 #  define UINT32_TYPEDEF unsigned int
65 # endif
66 #endif
67 
68 /* user ID of root is usually zero, but not for everybody */
69 #ifdef __TANDEM
70 # ifndef _TANDEM_SOURCE
71 #  define _TANDEM_SOURCE
72 # endif
73 # include <floss.h>
74 # define ROOT_UID 65535
75 #else
76 # define ROOT_UID 0
77 #endif
78 
79 #ifdef __EMX__		/* hand-edited config.h for OS/2 with EMX */
80 # include "os_os2_cfg.h"
81 #endif
82 
83 /*
84  * MACOS_CLASSIC compiling for MacOS prior to MacOS X
85  * MACOS_X_UNIX  compiling for MacOS X (using os_unix.c)
86  * MACOS_X       compiling for MacOS X (using os_unix.c)
87  * MACOS	 compiling for either one
88  */
89 #if defined(macintosh) && !defined(MACOS_CLASSIC)
90 # define MACOS_CLASSIC
91 #endif
92 #if defined(MACOS_X_UNIX)
93 # define MACOS_X
94 # ifndef HAVE_CONFIG_H
95 #  define UNIX
96 # endif
97 # ifndef FEAT_CLIPBOARD
98 #  define FEAT_CLIPBOARD
99 # endif
100 #endif
101 #if defined(MACOS_X) || defined(MACOS_CLASSIC)
102 #  define MACOS
103 #endif
104 #if defined(MACOS_X) && defined(MACOS_CLASSIC)
105     Error: To compile for both MACOS X and Classic use a Classic Carbon
106 #endif
107 /* Unless made through the Makefile enforce GUI on Mac */
108 #if defined(MACOS) && !defined(HAVE_CONFIG_H)
109 # define FEAT_GUI_MAC
110 #endif
111 
112 #if defined(FEAT_GUI_MOTIF) \
113     || defined(FEAT_GUI_GTK) \
114     || defined(FEAT_GUI_ATHENA) \
115     || defined(FEAT_GUI_MAC) \
116     || defined(FEAT_GUI_W32) \
117     || defined(FEAT_GUI_W16) \
118     || defined(FEAT_GUI_PHOTON)
119 # if !defined(FEAT_GUI) && !defined(NO_X11_INCLUDES)
120 #  define FEAT_GUI
121 # endif
122 #endif
123 
124 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */
125 #if _MSC_VER >= 1400
126 # define _CRT_SECURE_NO_DEPRECATE
127 # define _CRT_NONSTDC_NO_DEPRECATE
128 #endif
129 
130 #if defined(FEAT_GUI_W32) || defined(FEAT_GUI_W16)
131 # define FEAT_GUI_MSWIN
132 #endif
133 #if defined(WIN16) || defined(WIN32) || defined(_WIN64)
134 # define MSWIN
135 #endif
136 /* Practically everything is common to both Win32 and Win64 */
137 #if defined(WIN32) || defined(_WIN64)
138 # define WIN3264
139 #endif
140 
141 /*
142  * SIZEOF_INT is used in feature.h, and the system-specific included files
143  * need items from feature.h.  Therefore define SIZEOF_INT here.
144  */
145 #ifdef WIN3264
146 # define SIZEOF_INT 4
147 #endif
148 #ifdef MSDOS
149 # ifdef DJGPP
150 #  ifndef FEAT_GUI_GTK		/* avoid problems when generating prototypes */
151 #   define SIZEOF_INT 4		/* 32 bit ints */
152 #  endif
153 #  define DOS32
154 #  define FEAT_CLIPBOARD
155 # else
156 #  ifndef FEAT_GUI_GTK		/* avoid problems when generating prototypes */
157 #   define SIZEOF_INT 2		/* 16 bit ints */
158 #  endif
159 #  define SMALL_MALLOC		/* 16 bit storage allocation */
160 #  define DOS16
161 # endif
162 #endif
163 
164 #ifdef AMIGA
165   /* Be conservative about sizeof(int). It could be 4 too. */
166 # ifndef FEAT_GUI_GTK	/* avoid problems when generating prototypes */
167 #  ifdef __GNUC__
168 #   define SIZEOF_INT	4
169 #  else
170 #   define SIZEOF_INT	2
171 #  endif
172 # endif
173 #endif
174 #ifdef MACOS
175 # if defined(__POWERPC__) || defined(MACOS_X) || defined(__fourbyteints__) \
176   || defined(__MRC__) || defined(__SC__) || defined(__APPLE_CC__)/* MPW Compilers */
177 #  define SIZEOF_INT 4
178 # else
179 #  define SIZEOF_INT 2
180 # endif
181 #endif
182 #ifdef RISCOS
183 # define SIZEOF_INT 4
184 #endif
185 
186 
187 #include "feature.h"	/* #defines for optionals and features */
188 
189 /* +x11 is only enabled when it's both available and wanted. */
190 #if defined(HAVE_X11) && defined(WANT_X11)
191 # define FEAT_X11
192 #endif
193 
194 #ifdef NO_X11_INCLUDES
195     /* In os_mac_conv.c NO_X11_INCLUDES is defined to avoid X11 headers.
196      * Disable all X11 related things to avoid conflicts. */
197 # ifdef FEAT_X11
198 #  undef FEAT_X11
199 # endif
200 # ifdef FEAT_GUI_X11
201 #  undef FEAT_GUI_X11
202 # endif
203 # ifdef FEAT_XCLIPBOARD
204 #  undef FEAT_XCLIPBOARD
205 # endif
206 # ifdef FEAT_GUI_MOTIF
207 #  undef FEAT_GUI_MOTIF
208 # endif
209 # ifdef FEAT_GUI_ATHENA
210 #  undef FEAT_GUI_ATHENA
211 # endif
212 # ifdef FEAT_GUI_GTK
213 #  undef FEAT_GUI_GTK
214 # endif
215 # ifdef FEAT_BEVAL_TIP
216 #  undef FEAT_BEVAL_TIP
217 # endif
218 # ifdef FEAT_XIM
219 #  undef FEAT_XIM
220 # endif
221 # ifdef FEAT_CLIENTSERVER
222 #  undef FEAT_CLIENTSERVER
223 # endif
224 #endif
225 
226 /* The Mac conversion stuff doesn't work under X11. */
227 #if defined(FEAT_MBYTE) && defined(MACOS_X)
228 # define MACOS_CONVERT
229 #endif
230 
231 /* Can't use "PACKAGE" here, conflicts with a Perl include file. */
232 #ifndef VIMPACKAGE
233 # define VIMPACKAGE	"vim"
234 #endif
235 
236 /*
237  * Find out if function definitions should include argument types
238  */
239 #ifdef AZTEC_C
240 # include <functions.h>
241 # define __ARGS(x)  x
242 #endif
243 
244 #ifdef SASC
245 # include <clib/exec_protos.h>
246 # define __ARGS(x)  x
247 #endif
248 
249 #ifdef _DCC
250 # include <clib/exec_protos.h>
251 # define __ARGS(x)  x
252 #endif
253 
254 #ifdef __TURBOC__
255 # define __ARGS(x) x
256 #endif
257 
258 #ifdef __BEOS__
259 # include "os_beos.h"
260 # define __ARGS(x)  x
261 #endif
262 
263 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) \
264 	&& (!defined(MACOS_X) || defined(HAVE_CONFIG_H))
265 # include "os_unix.h"	    /* bring lots of system header files */
266 #endif
267 
268 #if defined(MACOS) && (defined(__MRC__) || defined(__SC__))
269    /* Apple's Compilers support prototypes */
270 # define __ARGS(x) x
271 #endif
272 #ifndef __ARGS
273 # if defined(__STDC__) || defined(__GNUC__) || defined(WIN3264)
274 #  define __ARGS(x) x
275 # else
276 #  define __ARGS(x) ()
277 # endif
278 #endif
279 
280 /* __ARGS and __PARMS are the same thing. */
281 #ifndef __PARMS
282 # define __PARMS(x) __ARGS(x)
283 #endif
284 
285 /* Mark unused function arguments with UNUSED, so that gcc -Wunused-parameter
286  * can be used to check for mistakes. */
287 #ifdef HAVE_ATTRIBUTE_UNUSED
288 # define UNUSED __attribute__((unused))
289 #else
290 # define UNUSED
291 #endif
292 
293 /* if we're compiling in C++ (currently only KVim), the system
294  * headers must have the correct prototypes or nothing will build.
295  * conversely, our prototypes might clash due to throw() specifiers and
296  * cause compilation failures even though the headers are correct.  For
297  * a concrete example, gcc-3.2 enforces exception specifications, and
298  * glibc-2.2.5 has them in their system headers.
299  */
300 #if !defined(__cplusplus) && defined(UNIX) \
301   && !defined(MACOS_X) /* MACOS_X doesn't yet support osdef.h */
302 # include "auto/osdef.h"	/* bring missing declarations in */
303 #endif
304 
305 #ifdef __EMX__
306 # define    getcwd  _getcwd2
307 # define    chdir   _chdir2
308 # undef	    CHECK_INODE
309 #endif
310 
311 #ifdef AMIGA
312 # include "os_amiga.h"
313 #endif
314 
315 #ifdef MSDOS
316 # include "os_msdos.h"
317 #endif
318 
319 #ifdef WIN16
320 # include "os_win16.h"
321 #endif
322 
323 #ifdef WIN3264
324 # include "os_win32.h"
325 #endif
326 
327 #ifdef __MINT__
328 # include "os_mint.h"
329 #endif
330 
331 #if defined(MACOS)
332 # if defined(__MRC__) || defined(__SC__) /* MPW Compilers */
333 #  define HAVE_SETENV
334 # endif
335 # include "os_mac.h"
336 #endif
337 
338 #ifdef RISCOS
339 # include "os_riscos.h"
340 #endif
341 
342 #ifdef __QNX__
343 # include "os_qnx.h"
344 #endif
345 
346 #ifdef FEAT_SUN_WORKSHOP
347 # include "workshop.h"
348 #endif
349 
350 #ifdef X_LOCALE
351 # include <X11/Xlocale.h>
352 #else
353 # ifdef HAVE_LOCALE_H
354 #  include <locale.h>
355 # endif
356 #endif
357 
358 /*
359  * Maximum length of a path (for non-unix systems) Make it a bit long, to stay
360  * on the safe side.  But not too long to put on the stack.
361  */
362 #ifndef MAXPATHL
363 # ifdef MAXPATHLEN
364 #  define MAXPATHL  MAXPATHLEN
365 # else
366 #  define MAXPATHL  256
367 # endif
368 #endif
369 #ifdef BACKSLASH_IN_FILENAME
370 # define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`%#'\"|!<")
371 #else
372 # ifdef VMS
373     /* VMS allows a lot of characters in the file name */
374 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'\"|!")
375 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'|!()&")
376 # else
377 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<")
378 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<>();&")
379 # endif
380 #endif
381 
382 #define NUMBUFLEN 30	    /* length of a buffer to store a number in ASCII */
383 
384 /*
385  * Shorthand for unsigned variables. Many systems, but not all, have u_char
386  * already defined, so we use char_u to avoid trouble.
387  */
388 typedef unsigned char	char_u;
389 typedef unsigned short	short_u;
390 typedef unsigned int	int_u;
391 /* Make sure long_u is big enough to hold a pointer.
392  * On Win64, longs are 32 bits and pointers are 64 bits.
393  * For printf() and scanf(), we need to take care of long_u specifically. */
394 #ifdef _WIN64
395 typedef unsigned __int64	long_u;
396 typedef		 __int64	long_i;
397 # define SCANF_HEX_LONG_U       "%Ix"
398 # define SCANF_DECIMAL_LONG_U   "%Iu"
399 # define PRINTF_HEX_LONG_U      "0x%Ix"
400 #else
401   /* Microsoft-specific. The __w64 keyword should be specified on any typedefs
402    * that change size between 32-bit and 64-bit platforms.  For any such type,
403    * __w64 should appear only on the 32-bit definition of the typedef.
404    * Define __w64 as an empty token for everything but MSVC 7.x or later.
405    */
406 # if !defined(_MSC_VER)	|| (_MSC_VER < 1300)
407 #  define __w64
408 # endif
409 typedef unsigned long __w64	long_u;
410 typedef		 long __w64     long_i;
411 # define SCANF_HEX_LONG_U       "%lx"
412 # define SCANF_DECIMAL_LONG_U   "%lu"
413 # define PRINTF_HEX_LONG_U      "0x%lx"
414 #endif
415 #define PRINTF_DECIMAL_LONG_U SCANF_DECIMAL_LONG_U
416 
417 /*
418  * Only systems which use configure will have SIZEOF_OFF_T and SIZEOF_LONG
419  * defined, which is ok since those are the same systems which can have
420  * varying sizes for off_t.  The other systems will continue to use "%ld" to
421  * print off_t since off_t is simply a typedef to long for them.
422  */
423 #if defined(SIZEOF_OFF_T) && (SIZEOF_OFF_T > SIZEOF_LONG)
424 # define LONG_LONG_OFF_T
425 #endif
426 
427 /*
428  * The characters and attributes cached for the screen.
429  */
430 typedef char_u schar_T;
431 #ifdef FEAT_SYN_HL
432 typedef unsigned short sattr_T;
433 # define MAX_TYPENR 65535
434 #else
435 typedef unsigned char sattr_T;
436 # define MAX_TYPENR 255
437 #endif
438 
439 /*
440  * The u8char_T can hold one decoded UTF-8 character.
441  * We normally use 32 bits now, since some Asian characters don't fit in 16
442  * bits.  u8char_T is only used for displaying, it could be 16 bits to save
443  * memory.
444  */
445 #ifdef FEAT_MBYTE
446 # ifdef UNICODE16
447 typedef unsigned short u8char_T;    /* short should be 16 bits */
448 # else
449 #  if SIZEOF_INT >= 4
450 typedef unsigned int u8char_T;	    /* int is 32 bits */
451 #  else
452 typedef unsigned long u8char_T;	    /* long should be 32 bits or more */
453 #  endif
454 # endif
455 #endif
456 
457 #ifndef UNIX		    /* For Unix this is included in os_unix.h */
458 # include <stdio.h>
459 # include <ctype.h>
460 #endif
461 
462 #include "ascii.h"
463 #include "keymap.h"
464 #include "term.h"
465 #include "macros.h"
466 
467 #ifdef LATTICE
468 # include <sys/types.h>
469 # include <sys/stat.h>
470 #endif
471 #ifdef _DCC
472 # include <sys/stat.h>
473 #endif
474 #if defined(MSDOS) || defined(MSWIN)
475 # include <sys/stat.h>
476 #endif
477 
478 /*
479  * Allow other (non-unix) systems to configure themselves now
480  * These are also in os_unix.h, because osdef.sh needs them there.
481  */
482 #ifndef UNIX
483 /* Note: Some systems need both string.h and strings.h (Savage).  If the
484  * system can't handle this, define NO_STRINGS_WITH_STRING_H. */
485 # ifdef HAVE_STRING_H
486 #  include <string.h>
487 # endif
488 # if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
489 #   include <strings.h>
490 # endif
491 # ifdef HAVE_STAT_H
492 #  include <stat.h>
493 # endif
494 # ifdef HAVE_STDLIB_H
495 #  include <stdlib.h>
496 # endif
497 #endif /* NON-UNIX */
498 
499 #include <assert.h>
500 
501 #ifdef HAVE_STDINT_H
502 # include <stdint.h>
503 #endif
504 #ifdef HAVE_INTTYPES_H
505 # include <inttypes.h>
506 #endif
507 #ifdef HAVE_WCTYPE_H
508 # include <wctype.h>
509 #endif
510 #ifdef HAVE_STDARG_H
511 # include <stdarg.h>
512 #endif
513 
514 # if defined(HAVE_SYS_SELECT_H) && \
515 	(!defined(HAVE_SYS_TIME_H) || defined(SYS_SELECT_WITH_SYS_TIME))
516 #  include <sys/select.h>
517 # endif
518 
519 # ifndef HAVE_SELECT
520 #  ifdef HAVE_SYS_POLL_H
521 #   include <sys/poll.h>
522 #   define HAVE_POLL
523 #  else
524 #   ifdef HAVE_POLL_H
525 #    include <poll.h>
526 #    define HAVE_POLL
527 #   endif
528 #  endif
529 # endif
530 
531 /* ================ end of the header file puzzle =============== */
532 
533 /*
534  * For dynamically loaded imm library. Currently, only for Win32.
535  */
536 #ifdef DYNAMIC_IME
537 # ifndef FEAT_MBYTE_IME
538 #  define FEAT_MBYTE_IME
539 # endif
540 #endif
541 
542 /*
543  * Check input method control.
544  */
545 #if defined(FEAT_XIM) \
546     || (defined(FEAT_GUI) && (defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME))) \
547     || (defined(FEAT_GUI_MAC) && defined(FEAT_MBYTE))
548 # define USE_IM_CONTROL
549 #endif
550 
551 /*
552  * For dynamically loaded gettext library.  Currently, only for Win32.
553  */
554 #ifdef DYNAMIC_GETTEXT
555 # ifndef FEAT_GETTEXT
556 #  define FEAT_GETTEXT
557 # endif
558 /* These are in os_win32.c */
559 extern char *(*dyn_libintl_gettext)(const char *msgid);
560 extern char *(*dyn_libintl_bindtextdomain)(const char *domainname, const char *dirname);
561 extern char *(*dyn_libintl_bind_textdomain_codeset)(const char *domainname, const char *codeset);
562 extern char *(*dyn_libintl_textdomain)(const char *domainname);
563 #endif
564 
565 
566 /*
567  * The _() stuff is for using gettext().  It is a no-op when libintl.h is not
568  * found or the +multilang feature is disabled.
569  */
570 #ifdef FEAT_GETTEXT
571 # ifdef DYNAMIC_GETTEXT
572 #  define _(x) (*dyn_libintl_gettext)((char *)(x))
573 #  define N_(x) x
574 #  define bindtextdomain(domain, dir) (*dyn_libintl_bindtextdomain)((domain), (dir))
575 #  define bind_textdomain_codeset(domain, codeset) (*dyn_libintl_bind_textdomain_codeset)((domain), (codeset))
576 #  if !defined(HAVE_BIND_TEXTDOMAIN_CODESET)
577 #   define HAVE_BIND_TEXTDOMAIN_CODESET 1
578 #  endif
579 #  define textdomain(domain) (*dyn_libintl_textdomain)(domain)
580 # else
581 #  include <libintl.h>
582 #  define _(x) gettext((char *)(x))
583 #  ifdef gettext_noop
584 #   define N_(x) gettext_noop(x)
585 #  else
586 #   define N_(x) x
587 #  endif
588 # endif
589 #else
590 # define _(x) ((char *)(x))
591 # define N_(x) x
592 # ifdef bindtextdomain
593 #  undef bindtextdomain
594 # endif
595 # define bindtextdomain(x, y) /* empty */
596 # ifdef bind_textdomain_codeset
597 #  undef bind_textdomain_codeset
598 # endif
599 # define bind_textdomain_codeset(x, y) /* empty */
600 # ifdef textdomain
601 #  undef textdomain
602 # endif
603 # define textdomain(x) /* empty */
604 #endif
605 
606 /*
607  * flags for update_screen()
608  * The higher the value, the higher the priority
609  */
610 #define VALID			10  /* buffer not changed, or changes marked
611 				       with b_mod_* */
612 #define INVERTED		20  /* redisplay inverted part that changed */
613 #define INVERTED_ALL		25  /* redisplay whole inverted part */
614 #define REDRAW_TOP		30  /* display first w_upd_rows screen lines */
615 #define SOME_VALID		35  /* like NOT_VALID but may scroll */
616 #define NOT_VALID		40  /* buffer needs complete redraw */
617 #define CLEAR			50  /* screen messed up, clear it */
618 
619 /*
620  * Flags for w_valid.
621  * These are set when something in a window structure becomes invalid, except
622  * when the cursor is moved.  Call check_cursor_moved() before testing one of
623  * the flags.
624  * These are reset when that thing has been updated and is valid again.
625  *
626  * Every function that invalidates one of these must call one of the
627  * invalidate_* functions.
628  *
629  * w_valid is supposed to be used only in screen.c.  From other files, use the
630  * functions that set or reset the flags.
631  *
632  * VALID_BOTLINE    VALID_BOTLINE_AP
633  *     on		on		w_botline valid
634  *     off		on		w_botline approximated
635  *     off		off		w_botline not valid
636  *     on		off		not possible
637  */
638 #define VALID_WROW	0x01	/* w_wrow (window row) is valid */
639 #define VALID_WCOL	0x02	/* w_wcol (window col) is valid */
640 #define VALID_VIRTCOL	0x04	/* w_virtcol (file col) is valid */
641 #define VALID_CHEIGHT	0x08	/* w_cline_height and w_cline_folded valid */
642 #define VALID_CROW	0x10	/* w_cline_row is valid */
643 #define VALID_BOTLINE	0x20	/* w_botine and w_empty_rows are valid */
644 #define VALID_BOTLINE_AP 0x40	/* w_botine is approximated */
645 #define VALID_TOPLINE	0x80	/* w_topline is valid (for cursor position) */
646 
647 /*
648  * Terminal highlighting attribute bits.
649  * Attributes above HL_ALL are used for syntax highlighting.
650  */
651 #define HL_NORMAL		0x00
652 #define HL_INVERSE		0x01
653 #define HL_BOLD			0x02
654 #define HL_ITALIC		0x04
655 #define HL_UNDERLINE		0x08
656 #define HL_UNDERCURL		0x10
657 #define HL_STANDOUT		0x20
658 #define HL_ALL			0x3f
659 
660 /* special attribute addition: Put message in history */
661 #define MSG_HIST		0x1000
662 
663 /*
664  * values for State
665  *
666  * The lower bits up to 0x20 are used to distinguish normal/visual/op_pending
667  * and cmdline/insert+replace mode.  This is used for mapping.  If none of
668  * these bits are set, no mapping is done.
669  * The upper bits are used to distinguish between other states.
670  */
671 #define NORMAL		0x01	/* Normal mode, command expected */
672 #define VISUAL		0x02	/* Visual mode - use get_real_state() */
673 #define OP_PENDING	0x04	/* Normal mode, operator is pending - use
674 				   get_real_state() */
675 #define CMDLINE		0x08	/* Editing command line */
676 #define INSERT		0x10	/* Insert mode */
677 #define LANGMAP		0x20	/* Language mapping, can be combined with
678 				   INSERT and CMDLINE */
679 
680 #define REPLACE_FLAG	0x40	/* Replace mode flag */
681 #define REPLACE		(REPLACE_FLAG + INSERT)
682 #ifdef FEAT_VREPLACE
683 # define VREPLACE_FLAG	0x80	/* Virtual-replace mode flag */
684 # define VREPLACE	(REPLACE_FLAG + VREPLACE_FLAG + INSERT)
685 #endif
686 #define LREPLACE	(REPLACE_FLAG + LANGMAP)
687 
688 #define NORMAL_BUSY	(0x100 + NORMAL) /* Normal mode, busy with a command */
689 #define HITRETURN	(0x200 + NORMAL) /* waiting for return or command */
690 #define ASKMORE		0x300	/* Asking if you want --more-- */
691 #define SETWSIZE	0x400	/* window size has changed */
692 #define ABBREV		0x500	/* abbreviation instead of mapping */
693 #define EXTERNCMD	0x600	/* executing an external command */
694 #define SHOWMATCH	(0x700 + INSERT) /* show matching paren */
695 #define CONFIRM		0x800	/* ":confirm" prompt */
696 #define SELECTMODE	0x1000	/* Select mode, only for mappings */
697 
698 #define MAP_ALL_MODES	(0x3f | SELECTMODE)	/* all mode bits used for
699 						 * mapping */
700 
701 /* directions */
702 #define FORWARD			1
703 #define BACKWARD		(-1)
704 #define FORWARD_FILE		3
705 #define BACKWARD_FILE		(-3)
706 
707 /* return values for functions */
708 #if !(defined(OK) && (OK == 1))
709 /* OK already defined to 1 in MacOS X curses, skip this */
710 # define OK			1
711 #endif
712 #define FAIL			0
713 #define NOTDONE			2   /* not OK or FAIL but skipped */
714 
715 /* flags for b_flags */
716 #define BF_RECOVERED	0x01	/* buffer has been recovered */
717 #define BF_CHECK_RO	0x02	/* need to check readonly when loading file
718 				   into buffer (set by ":e", may be reset by
719 				   ":buf" */
720 #define BF_NEVERLOADED	0x04	/* file has never been loaded into buffer,
721 				   many variables still need to be set */
722 #define BF_NOTEDITED	0x08	/* Set when file name is changed after
723 				   starting to edit, reset when file is
724 				   written out. */
725 #define BF_NEW		0x10	/* file didn't exist when editing started */
726 #define BF_NEW_W	0x20	/* Warned for BF_NEW and file created */
727 #define BF_READERR	0x40	/* got errors while reading the file */
728 #define BF_DUMMY	0x80	/* dummy buffer, only used internally */
729 #define BF_PRESERVED	0x100	/* ":preserve" was used */
730 
731 /* Mask to check for flags that prevent normal writing */
732 #define BF_WRITE_MASK	(BF_NOTEDITED + BF_NEW + BF_READERR)
733 
734 /*
735  * values for xp_context when doing command line completion
736  */
737 #define EXPAND_UNSUCCESSFUL	(-2)
738 #define EXPAND_OK		(-1)
739 #define EXPAND_NOTHING		0
740 #define EXPAND_COMMANDS		1
741 #define EXPAND_FILES		2
742 #define EXPAND_DIRECTORIES	3
743 #define EXPAND_SETTINGS		4
744 #define EXPAND_BOOL_SETTINGS	5
745 #define EXPAND_TAGS		6
746 #define EXPAND_OLD_SETTING	7
747 #define EXPAND_HELP		8
748 #define EXPAND_BUFFERS		9
749 #define EXPAND_EVENTS		10
750 #define EXPAND_MENUS		11
751 #define EXPAND_SYNTAX		12
752 #define EXPAND_HIGHLIGHT	13
753 #define EXPAND_AUGROUP		14
754 #define EXPAND_USER_VARS	15
755 #define EXPAND_MAPPINGS		16
756 #define EXPAND_TAGS_LISTFILES	17
757 #define EXPAND_FUNCTIONS	18
758 #define EXPAND_USER_FUNC	19
759 #define EXPAND_EXPRESSION	20
760 #define EXPAND_MENUNAMES	21
761 #define EXPAND_USER_COMMANDS	22
762 #define EXPAND_USER_CMD_FLAGS	23
763 #define EXPAND_USER_NARGS	24
764 #define EXPAND_USER_COMPLETE	25
765 #define EXPAND_ENV_VARS		26
766 #define EXPAND_LANGUAGE		27
767 #define EXPAND_COLORS		28
768 #define EXPAND_COMPILER		29
769 #define EXPAND_USER_DEFINED	30
770 #define EXPAND_USER_LIST	31
771 #define EXPAND_SHELLCMD		32
772 #define EXPAND_CSCOPE		33
773 #define EXPAND_SIGN		34
774 #define EXPAND_PROFILE		35
775 #define EXPAND_BEHAVE		36
776 #define EXPAND_FILETYPE		37
777 #define EXPAND_FILES_IN_PATH	38
778 #define EXPAND_OWNSYNTAX	39
779 
780 /* Values for exmode_active (0 is no exmode) */
781 #define EXMODE_NORMAL		1
782 #define EXMODE_VIM		2
783 
784 /* Values for nextwild() and ExpandOne().  See ExpandOne() for meaning. */
785 #define WILD_FREE		1
786 #define WILD_EXPAND_FREE	2
787 #define WILD_EXPAND_KEEP	3
788 #define WILD_NEXT		4
789 #define WILD_PREV		5
790 #define WILD_ALL		6
791 #define WILD_LONGEST		7
792 
793 #define WILD_LIST_NOTFOUND	1
794 #define WILD_HOME_REPLACE	2
795 #define WILD_USE_NL		4
796 #define WILD_NO_BEEP		8
797 #define WILD_ADD_SLASH		16
798 #define WILD_KEEP_ALL		32
799 #define WILD_SILENT		64
800 #define WILD_ESCAPE		128
801 
802 /* Flags for expand_wildcards() */
803 #define EW_DIR		0x01	/* include directory names */
804 #define EW_FILE		0x02	/* include file names */
805 #define EW_NOTFOUND	0x04	/* include not found names */
806 #define EW_ADDSLASH	0x08	/* append slash to directory name */
807 #define EW_KEEPALL	0x10	/* keep all matches */
808 #define EW_SILENT	0x20	/* don't print "1 returned" from shell */
809 #define EW_EXEC		0x40	/* executable files */
810 #define EW_PATH		0x80	/* search in 'path' too */
811 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
812  * is used when executing commands and EW_SILENT for interactive expanding. */
813 
814 /* Flags for find_file_*() functions. */
815 #define FINDFILE_FILE	0	/* only files */
816 #define FINDFILE_DIR	1	/* only directories */
817 #define FINDFILE_BOTH	2	/* files and directories */
818 
819 #ifdef FEAT_VERTSPLIT
820 # define W_WINCOL(wp)	(wp->w_wincol)
821 # define W_WIDTH(wp)	(wp->w_width)
822 # define W_ENDCOL(wp)	(wp->w_wincol + wp->w_width)
823 # define W_VSEP_WIDTH(wp) (wp->w_vsep_width)
824 #else
825 # define W_WINCOL(wp)	0
826 # define W_WIDTH(wp)	Columns
827 # define W_ENDCOL(wp)	Columns
828 # define W_VSEP_WIDTH(wp) 0
829 #endif
830 #ifdef FEAT_WINDOWS
831 # define W_STATUS_HEIGHT(wp) (wp->w_status_height)
832 # define W_WINROW(wp)	(wp->w_winrow)
833 #else
834 # define W_STATUS_HEIGHT(wp) 0
835 # define W_WINROW(wp)	0
836 #endif
837 
838 #ifdef NO_EXPANDPATH
839 # define gen_expand_wildcards mch_expand_wildcards
840 #endif
841 
842 /* Values for the find_pattern_in_path() function args 'type' and 'action': */
843 #define FIND_ANY	1
844 #define FIND_DEFINE	2
845 #define CHECK_PATH	3
846 
847 #define ACTION_SHOW	1
848 #define ACTION_GOTO	2
849 #define ACTION_SPLIT	3
850 #define ACTION_SHOW_ALL	4
851 #ifdef FEAT_INS_EXPAND
852 # define ACTION_EXPAND	5
853 #endif
854 
855 #ifdef FEAT_SYN_HL
856 # define SST_MIN_ENTRIES 150	/* minimal size for state stack array */
857 # ifdef FEAT_GUI_W16
858 #  define SST_MAX_ENTRIES 500	/* (only up to 64K blocks) */
859 # else
860 #  define SST_MAX_ENTRIES 1000	/* maximal size for state stack array */
861 # endif
862 # define SST_FIX_STATES	 7	/* size of sst_stack[]. */
863 # define SST_DIST	 16	/* normal distance between entries */
864 # define SST_INVALID	(synstate_T *)-1	/* invalid syn_state pointer */
865 
866 # define HL_CONTAINED	0x01	/* not used on toplevel */
867 # define HL_TRANSP	0x02	/* has no highlighting	*/
868 # define HL_ONELINE	0x04	/* match within one line only */
869 # define HL_HAS_EOL	0x08	/* end pattern that matches with $ */
870 # define HL_SYNC_HERE	0x10	/* sync point after this item (syncing only) */
871 # define HL_SYNC_THERE	0x20	/* sync point at current line (syncing only) */
872 # define HL_MATCH	0x40	/* use match ID instead of item ID */
873 # define HL_SKIPNL	0x80	/* nextgroup can skip newlines */
874 # define HL_SKIPWHITE	0x100	/* nextgroup can skip white space */
875 # define HL_SKIPEMPTY	0x200	/* nextgroup can skip empty lines */
876 # define HL_KEEPEND	0x400	/* end match always kept */
877 # define HL_EXCLUDENL	0x800	/* exclude NL from match */
878 # define HL_DISPLAY	0x1000	/* only used for displaying, not syncing */
879 # define HL_FOLD	0x2000	/* define fold */
880 # define HL_EXTEND	0x4000	/* ignore a keepend */
881 # define HL_MATCHCONT	0x8000	/* match continued from previous line */
882 # define HL_TRANS_CONT	0x10000 /* transparent item without contains arg */
883 # define HL_CONCEAL	0x20000 /* can be concealed */
884 # define HL_CONCEALENDS	0x40000 /* can be concealed */
885 #endif
886 
887 /* Values for 'options' argument in do_search() and searchit() */
888 #define SEARCH_REV    0x01  /* go in reverse of previous dir. */
889 #define SEARCH_ECHO   0x02  /* echo the search command and handle options */
890 #define SEARCH_MSG    0x0c  /* give messages (yes, it's not 0x04) */
891 #define SEARCH_NFMSG  0x08  /* give all messages except not found */
892 #define SEARCH_OPT    0x10  /* interpret optional flags */
893 #define SEARCH_HIS    0x20  /* put search pattern in history */
894 #define SEARCH_END    0x40  /* put cursor at end of match */
895 #define SEARCH_NOOF   0x80  /* don't add offset to position */
896 #define SEARCH_START 0x100  /* start search without col offset */
897 #define SEARCH_MARK  0x200  /* set previous context mark */
898 #define SEARCH_KEEP  0x400  /* keep previous search pattern */
899 #define SEARCH_PEEK  0x800  /* peek for typed char, cancel search */
900 
901 /* Values for find_ident_under_cursor() */
902 #define FIND_IDENT	1	/* find identifier (word) */
903 #define FIND_STRING	2	/* find any string (WORD) */
904 #define FIND_EVAL	4	/* include "->", "[]" and "." */
905 
906 /* Values for file_name_in_line() */
907 #define FNAME_MESS	1	/* give error message */
908 #define FNAME_EXP	2	/* expand to path */
909 #define FNAME_HYP	4	/* check for hypertext link */
910 #define FNAME_INCL	8	/* apply 'includeexpr' */
911 #define FNAME_REL	16	/* ".." and "./" are relative to the (current)
912 				   file instead of the current directory */
913 
914 /* Values for buflist_getfile() */
915 #define GETF_SETMARK	0x01	/* set pcmark before jumping */
916 #define GETF_ALT	0x02	/* jumping to alternate file (not buf num) */
917 #define GETF_SWITCH	0x04	/* respect 'switchbuf' settings when jumping */
918 
919 /* Values for buflist_new() flags */
920 #define BLN_CURBUF	1	/* May re-use curbuf for new buffer */
921 #define BLN_LISTED	2	/* Put new buffer in buffer list */
922 #define BLN_DUMMY	4	/* Allocating dummy buffer */
923 
924 /* Values for in_cinkeys() */
925 #define KEY_OPEN_FORW	0x101
926 #define KEY_OPEN_BACK	0x102
927 #define KEY_COMPLETE	0x103	/* end of completion */
928 
929 /* Values for "noremap" argument of ins_typebuf().  Also used for
930  * map->m_noremap and menu->noremap[]. */
931 #define REMAP_YES	0	/* allow remapping */
932 #define REMAP_NONE	-1	/* no remapping */
933 #define REMAP_SCRIPT	-2	/* remap script-local mappings only */
934 #define REMAP_SKIP	-3	/* no remapping for first char */
935 
936 /* Values for mch_call_shell() second argument */
937 #define SHELL_FILTER	1	/* filtering text */
938 #define SHELL_EXPAND	2	/* expanding wildcards */
939 #define SHELL_COOKED	4	/* set term to cooked mode */
940 #define SHELL_DOOUT	8	/* redirecting output */
941 #define SHELL_SILENT	16	/* don't print error returned by command */
942 #define SHELL_READ	32	/* read lines and insert into buffer */
943 #define SHELL_WRITE	64	/* write lines from buffer */
944 
945 /* Values returned by mch_nodetype() */
946 #define NODE_NORMAL	0	/* file or directory, check with mch_isdir()*/
947 #define NODE_WRITABLE	1	/* something we can write to (character
948 				   device, fifo, socket, ..) */
949 #define NODE_OTHER	2	/* non-writable thing (e.g., block device) */
950 
951 /* Values for readfile() flags */
952 #define READ_NEW	0x01	/* read a file into a new buffer */
953 #define READ_FILTER	0x02	/* read filter output */
954 #define READ_STDIN	0x04	/* read from stdin */
955 #define READ_BUFFER	0x08	/* read from curbuf (converting stdin) */
956 #define READ_DUMMY	0x10	/* reading into a dummy buffer */
957 #define READ_KEEP_UNDO	0x20	/* keep undo info*/
958 
959 /* Values for change_indent() */
960 #define INDENT_SET	1	/* set indent */
961 #define INDENT_INC	2	/* increase indent */
962 #define INDENT_DEC	3	/* decrease indent */
963 
964 /* Values for flags argument for findmatchlimit() */
965 #define FM_BACKWARD	0x01	/* search backwards */
966 #define FM_FORWARD	0x02	/* search forwards */
967 #define FM_BLOCKSTOP	0x04	/* stop at start/end of block */
968 #define FM_SKIPCOMM	0x08	/* skip comments */
969 
970 /* Values for action argument for do_buffer() */
971 #define DOBUF_GOTO	0	/* go to specified buffer */
972 #define DOBUF_SPLIT	1	/* split window and go to specified buffer */
973 #define DOBUF_UNLOAD	2	/* unload specified buffer(s) */
974 #define DOBUF_DEL	3	/* delete specified buffer(s) from buflist */
975 #define DOBUF_WIPE	4	/* delete specified buffer(s) really */
976 
977 /* Values for start argument for do_buffer() */
978 #define DOBUF_CURRENT	0	/* "count" buffer from current buffer */
979 #define DOBUF_FIRST	1	/* "count" buffer from first buffer */
980 #define DOBUF_LAST	2	/* "count" buffer from last buffer */
981 #define DOBUF_MOD	3	/* "count" mod. buffer from current buffer */
982 
983 /* Values for sub_cmd and which_pat argument for search_regcomp() */
984 /* Also used for which_pat argument for searchit() */
985 #define RE_SEARCH	0	/* save/use pat in/from search_pattern */
986 #define RE_SUBST	1	/* save/use pat in/from subst_pattern */
987 #define RE_BOTH		2	/* save pat in both patterns */
988 #define RE_LAST		2	/* use last used pattern if "pat" is NULL */
989 
990 /* Second argument for vim_regcomp(). */
991 #define RE_MAGIC	1	/* 'magic' option */
992 #define RE_STRING	2	/* match in string instead of buffer text */
993 #define RE_STRICT	4	/* don't allow [abc] without ] */
994 
995 #ifdef FEAT_SYN_HL
996 /* values for reg_do_extmatch */
997 # define REX_SET	1	/* to allow \z\(...\), */
998 # define REX_USE	2	/* to allow \z\1 et al. */
999 #endif
1000 
1001 /* Return values for fullpathcmp() */
1002 /* Note: can use (fullpathcmp() & FPC_SAME) to check for equal files */
1003 #define FPC_SAME	1	/* both exist and are the same file. */
1004 #define FPC_DIFF	2	/* both exist and are different files. */
1005 #define FPC_NOTX	4	/* both don't exist. */
1006 #define FPC_DIFFX	6	/* one of them doesn't exist. */
1007 #define FPC_SAMEX	7	/* both don't exist and file names are same. */
1008 
1009 /* flags for do_ecmd() */
1010 #define ECMD_HIDE	0x01	/* don't free the current buffer */
1011 #define ECMD_SET_HELP	0x02	/* set b_help flag of (new) buffer before
1012 				   opening file */
1013 #define ECMD_OLDBUF	0x04	/* use existing buffer if it exists */
1014 #define ECMD_FORCEIT	0x08	/* ! used in Ex command */
1015 #define ECMD_ADDBUF	0x10	/* don't edit, just add to buffer list */
1016 
1017 /* for lnum argument in do_ecmd() */
1018 #define ECMD_LASTL	(linenr_T)0	/* use last position in loaded file */
1019 #define ECMD_LAST	(linenr_T)-1	/* use last position in all files */
1020 #define ECMD_ONE	(linenr_T)1	/* use first line */
1021 
1022 /* flags for do_cmdline() */
1023 #define DOCMD_VERBOSE	0x01	/* included command in error message */
1024 #define DOCMD_NOWAIT	0x02	/* don't call wait_return() and friends */
1025 #define DOCMD_REPEAT	0x04	/* repeat exec. until getline() returns NULL */
1026 #define DOCMD_KEYTYPED	0x08	/* don't reset KeyTyped */
1027 #define DOCMD_EXCRESET	0x10	/* reset exception environment (for debugging)*/
1028 #define DOCMD_KEEPLINE  0x20	/* keep typed line for repeating with "." */
1029 
1030 /* flags for beginline() */
1031 #define BL_WHITE	1	/* cursor on first non-white in the line */
1032 #define BL_SOL		2	/* use 'sol' option */
1033 #define BL_FIX		4	/* don't leave cursor on a NUL */
1034 
1035 /* flags for mf_sync() */
1036 #define MFS_ALL		1	/* also sync blocks with negative numbers */
1037 #define MFS_STOP	2	/* stop syncing when a character is available */
1038 #define MFS_FLUSH	4	/* flushed file to disk */
1039 #define MFS_ZERO	8	/* only write block 0 */
1040 
1041 /* flags for buf_copy_options() */
1042 #define BCO_ENTER	1	/* going to enter the buffer */
1043 #define BCO_ALWAYS	2	/* always copy the options */
1044 #define BCO_NOHELP	4	/* don't touch the help related options */
1045 
1046 /* flags for do_put() */
1047 #define PUT_FIXINDENT	1	/* make indent look nice */
1048 #define PUT_CURSEND	2	/* leave cursor after end of new text */
1049 #define PUT_CURSLINE	4	/* leave cursor on last line of new text */
1050 #define PUT_LINE	8	/* put register as lines */
1051 #define PUT_LINE_SPLIT	16	/* split line for linewise register */
1052 #define PUT_LINE_FORWARD 32	/* put linewise register below Visual sel. */
1053 
1054 /* flags for set_indent() */
1055 #define SIN_CHANGED	1	/* call changed_bytes() when line changed */
1056 #define SIN_INSERT	2	/* insert indent before existing text */
1057 #define SIN_UNDO	4	/* save line for undo before changing it */
1058 
1059 /* flags for insertchar() */
1060 #define INSCHAR_FORMAT	1	/* force formatting */
1061 #define INSCHAR_DO_COM	2	/* format comments */
1062 #define INSCHAR_CTRLV	4	/* char typed just after CTRL-V */
1063 #define INSCHAR_NO_FEX	8	/* don't use 'formatexpr' */
1064 
1065 /* flags for open_line() */
1066 #define OPENLINE_DELSPACES  1	/* delete spaces after cursor */
1067 #define OPENLINE_DO_COM	    2	/* format comments */
1068 #define OPENLINE_KEEPTRAIL  4	/* keep trailing spaces */
1069 #define OPENLINE_MARKFIX    8	/* fix mark positions */
1070 
1071 /*
1072  * There are four history tables:
1073  */
1074 #define HIST_CMD	0	/* colon commands */
1075 #define HIST_SEARCH	1	/* search commands */
1076 #define HIST_EXPR	2	/* expressions (from entering = register) */
1077 #define HIST_INPUT	3	/* input() lines */
1078 #define HIST_DEBUG	4	/* debug commands */
1079 #define HIST_COUNT	5	/* number of history tables */
1080 
1081 /*
1082  * Flags for chartab[].
1083  */
1084 #define CT_CELL_MASK	0x07	/* mask: nr of display cells (1, 2 or 4) */
1085 #define CT_PRINT_CHAR	0x10	/* flag: set for printable chars */
1086 #define CT_ID_CHAR	0x20	/* flag: set for ID chars */
1087 #define CT_FNAME_CHAR	0x40	/* flag: set for file name chars */
1088 
1089 /*
1090  * Values for do_tag().
1091  */
1092 #define DT_TAG		1	/* jump to newer position or same tag again */
1093 #define DT_POP		2	/* jump to older position */
1094 #define DT_NEXT		3	/* jump to next match of same tag */
1095 #define DT_PREV		4	/* jump to previous match of same tag */
1096 #define DT_FIRST	5	/* jump to first match of same tag */
1097 #define DT_LAST		6	/* jump to first match of same tag */
1098 #define DT_SELECT	7	/* jump to selection from list */
1099 #define DT_HELP		8	/* like DT_TAG, but no wildcards */
1100 #define DT_JUMP		9	/* jump to new tag or selection from list */
1101 #define DT_CSCOPE	10	/* cscope find command (like tjump) */
1102 #define DT_LTAG		11	/* tag using location list */
1103 #define DT_FREE		99	/* free cached matches */
1104 
1105 /*
1106  * flags for find_tags().
1107  */
1108 #define TAG_HELP	1	/* only search for help tags */
1109 #define TAG_NAMES	2	/* only return name of tag */
1110 #define	TAG_REGEXP	4	/* use tag pattern as regexp */
1111 #define	TAG_NOIC	8	/* don't always ignore case */
1112 #ifdef FEAT_CSCOPE
1113 # define TAG_CSCOPE	16	/* cscope tag */
1114 #endif
1115 #define TAG_VERBOSE	32	/* message verbosity */
1116 #define TAG_INS_COMP	64	/* Currently doing insert completion */
1117 #define TAG_KEEP_LANG	128	/* keep current language */
1118 
1119 #define TAG_MANY	300	/* When finding many tags (for completion),
1120 				   find up to this many tags */
1121 
1122 /*
1123  * Types of dialogs passed to do_vim_dialog().
1124  */
1125 #define VIM_GENERIC	0
1126 #define VIM_ERROR	1
1127 #define VIM_WARNING	2
1128 #define VIM_INFO	3
1129 #define VIM_QUESTION	4
1130 #define VIM_LAST_TYPE	4	/* sentinel value */
1131 
1132 /*
1133  * Return values for functions like gui_yesnocancel()
1134  */
1135 #define VIM_YES		2
1136 #define VIM_NO		3
1137 #define VIM_CANCEL	4
1138 #define VIM_ALL		5
1139 #define VIM_DISCARDALL  6
1140 
1141 /*
1142  * arguments for win_split()
1143  */
1144 #define WSP_ROOM	1	/* require enough room */
1145 #define WSP_VERT	2	/* split vertically */
1146 #define WSP_TOP		4	/* window at top-left of shell */
1147 #define WSP_BOT		8	/* window at bottom-right of shell */
1148 #define WSP_HELP	16	/* creating the help window */
1149 #define WSP_BELOW	32	/* put new window below/right */
1150 #define WSP_ABOVE	64	/* put new window above/left */
1151 #define WSP_NEWLOC	128	/* don't copy location list */
1152 
1153 /*
1154  * arguments for gui_set_shellsize()
1155  */
1156 #define RESIZE_VERT	1	/* resize vertically */
1157 #define RESIZE_HOR	2	/* resize horizontally */
1158 #define RESIZE_BOTH	15	/* resize in both directions */
1159 
1160 /*
1161  * "flags" values for option-setting functions.
1162  * When OPT_GLOBAL and OPT_LOCAL are both missing, set both local and global
1163  * values, get local value.
1164  */
1165 #define OPT_FREE	1	/* free old value if it was allocated */
1166 #define OPT_GLOBAL	2	/* use global value */
1167 #define OPT_LOCAL	4	/* use local value */
1168 #define OPT_MODELINE	8	/* option in modeline */
1169 #define OPT_WINONLY	16	/* only set window-local options */
1170 #define OPT_NOWIN	32	/* don't set window-local options */
1171 
1172 /* Magic chars used in confirm dialog strings */
1173 #define DLG_BUTTON_SEP	'\n'
1174 #define DLG_HOTKEY_CHAR	'&'
1175 
1176 /* Values for "starting" */
1177 #define NO_SCREEN	2	/* no screen updating yet */
1178 #define NO_BUFFERS	1	/* not all buffers loaded yet */
1179 /*			0	   not starting anymore */
1180 
1181 /* Values for swap_exists_action: what to do when swap file already exists */
1182 #define SEA_NONE	0	/* don't use dialog */
1183 #define SEA_DIALOG	1	/* use dialog when possible */
1184 #define SEA_QUIT	2	/* quit editing the file */
1185 #define SEA_RECOVER	3	/* recover the file */
1186 
1187 /*
1188  * Minimal size for block 0 of a swap file.
1189  * NOTE: This depends on size of struct block0! It's not done with a sizeof(),
1190  * because struct block0 is defined in memline.c (Sorry).
1191  * The maximal block size is arbitrary.
1192  */
1193 #define MIN_SWAP_PAGE_SIZE 1048
1194 #define MAX_SWAP_PAGE_SIZE 50000
1195 
1196 /* Special values for current_SID. */
1197 #define SID_MODELINE	-1	/* when using a modeline */
1198 #define SID_CMDARG	-2	/* for "--cmd" argument */
1199 #define SID_CARG	-3	/* for "-c" argument */
1200 #define SID_ENV		-4	/* for sourcing environment variable */
1201 #define SID_ERROR	-5	/* option was reset because of an error */
1202 #define SID_NONE	-6	/* don't set scriptID */
1203 
1204 /*
1205  * Events for autocommands.
1206  */
1207 enum auto_event
1208 {
1209     EVENT_BUFADD = 0,		/* after adding a buffer to the buffer list */
1210     EVENT_BUFNEW,		/* after creating any buffer */
1211     EVENT_BUFDELETE,		/* deleting a buffer from the buffer list */
1212     EVENT_BUFWIPEOUT,		/* just before really deleting a buffer */
1213     EVENT_BUFENTER,		/* after entering a buffer */
1214     EVENT_BUFFILEPOST,		/* after renaming a buffer */
1215     EVENT_BUFFILEPRE,		/* before renaming a buffer */
1216     EVENT_BUFLEAVE,		/* before leaving a buffer */
1217     EVENT_BUFNEWFILE,		/* when creating a buffer for a new file */
1218     EVENT_BUFREADPOST,		/* after reading a buffer */
1219     EVENT_BUFREADPRE,		/* before reading a buffer */
1220     EVENT_BUFREADCMD,		/* read buffer using command */
1221     EVENT_BUFUNLOAD,		/* just before unloading a buffer */
1222     EVENT_BUFHIDDEN,		/* just after buffer becomes hidden */
1223     EVENT_BUFWINENTER,		/* after showing a buffer in a window */
1224     EVENT_BUFWINLEAVE,		/* just after buffer removed from window */
1225     EVENT_BUFWRITEPOST,		/* after writing a buffer */
1226     EVENT_BUFWRITEPRE,		/* before writing a buffer */
1227     EVENT_BUFWRITECMD,		/* write buffer using command */
1228     EVENT_CMDWINENTER,		/* after entering the cmdline window */
1229     EVENT_CMDWINLEAVE,		/* before leaving the cmdline window */
1230     EVENT_COLORSCHEME,		/* after loading a colorscheme */
1231     EVENT_FILEAPPENDPOST,	/* after appending to a file */
1232     EVENT_FILEAPPENDPRE,	/* before appending to a file */
1233     EVENT_FILEAPPENDCMD,	/* append to a file using command */
1234     EVENT_FILECHANGEDSHELL,	/* after shell command that changed file */
1235     EVENT_FILECHANGEDSHELLPOST,	/* after (not) reloading changed file */
1236     EVENT_FILECHANGEDRO,	/* before first change to read-only file */
1237     EVENT_FILEREADPOST,		/* after reading a file */
1238     EVENT_FILEREADPRE,		/* before reading a file */
1239     EVENT_FILEREADCMD,		/* read from a file using command */
1240     EVENT_FILETYPE,		/* new file type detected (user defined) */
1241     EVENT_FILEWRITEPOST,	/* after writing a file */
1242     EVENT_FILEWRITEPRE,		/* before writing a file */
1243     EVENT_FILEWRITECMD,		/* write to a file using command */
1244     EVENT_FILTERREADPOST,	/* after reading from a filter */
1245     EVENT_FILTERREADPRE,	/* before reading from a filter */
1246     EVENT_FILTERWRITEPOST,	/* after writing to a filter */
1247     EVENT_FILTERWRITEPRE,	/* before writing to a filter */
1248     EVENT_FOCUSGAINED,		/* got the focus */
1249     EVENT_FOCUSLOST,		/* lost the focus to another app */
1250     EVENT_GUIENTER,		/* after starting the GUI */
1251     EVENT_GUIFAILED,		/* after starting the GUI failed */
1252     EVENT_INSERTCHANGE,		/* when changing Insert/Replace mode */
1253     EVENT_INSERTENTER,		/* when entering Insert mode */
1254     EVENT_INSERTLEAVE,		/* when leaving Insert mode */
1255     EVENT_MENUPOPUP,		/* just before popup menu is displayed */
1256     EVENT_QUICKFIXCMDPOST,	/* after :make, :grep etc */
1257     EVENT_QUICKFIXCMDPRE,	/* before :make, :grep etc */
1258     EVENT_SESSIONLOADPOST,	/* after loading a session file */
1259     EVENT_STDINREADPOST,	/* after reading from stdin */
1260     EVENT_STDINREADPRE,		/* before reading from stdin */
1261     EVENT_SYNTAX,		/* syntax selected */
1262     EVENT_TERMCHANGED,		/* after changing 'term' */
1263     EVENT_TERMRESPONSE,		/* after setting "v:termresponse" */
1264     EVENT_USER,			/* user defined autocommand */
1265     EVENT_VIMENTER,		/* after starting Vim */
1266     EVENT_VIMLEAVE,		/* before exiting Vim */
1267     EVENT_VIMLEAVEPRE,		/* before exiting Vim and writing .viminfo */
1268     EVENT_VIMRESIZED,		/* after Vim window was resized */
1269     EVENT_WINENTER,		/* after entering a window */
1270     EVENT_WINLEAVE,		/* before leaving a window */
1271     EVENT_ENCODINGCHANGED,	/* after changing the 'encoding' option */
1272     EVENT_CURSORHOLD,		/* cursor in same position for a while */
1273     EVENT_CURSORHOLDI,		/* idem, in Insert mode */
1274     EVENT_FUNCUNDEFINED,	/* if calling a function which doesn't exist */
1275     EVENT_REMOTEREPLY,		/* upon string reception from a remote vim */
1276     EVENT_SWAPEXISTS,		/* found existing swap file */
1277     EVENT_SOURCEPRE,		/* before sourcing a Vim script */
1278     EVENT_SOURCECMD,		/* sourcing a Vim script using command */
1279     EVENT_SPELLFILEMISSING,	/* spell file missing */
1280     EVENT_CURSORMOVED,		/* cursor was moved */
1281     EVENT_CURSORMOVEDI,		/* cursor was moved in Insert mode */
1282     EVENT_TABLEAVE,		/* before leaving a tab page */
1283     EVENT_TABENTER,		/* after entering a tab page */
1284     EVENT_SHELLCMDPOST,		/* after ":!cmd" */
1285     EVENT_SHELLFILTERPOST,	/* after ":1,2!cmd", ":w !cmd", ":r !cmd". */
1286     NUM_EVENTS			/* MUST be the last one */
1287 };
1288 
1289 typedef enum auto_event event_T;
1290 
1291 /*
1292  * Values for index in highlight_attr[].
1293  * When making changes, also update HL_FLAGS below!  And update the default
1294  * value of 'highlight' in option.c.
1295  */
1296 typedef enum
1297 {
1298     HLF_8 = 0	    /* Meta & special keys listed with ":map", text that is
1299 		       displayed different from what it is */
1300     , HLF_AT	    /* @ and ~ characters at end of screen, characters that
1301 		       don't really exist in the text */
1302     , HLF_D	    /* directories in CTRL-D listing */
1303     , HLF_E	    /* error messages */
1304     , HLF_H	    /* obsolete, ignored */
1305     , HLF_I	    /* incremental search */
1306     , HLF_L	    /* last search string */
1307     , HLF_M	    /* "--More--" message */
1308     , HLF_CM	    /* Mode (e.g., "-- INSERT --") */
1309     , HLF_N	    /* line number for ":number" and ":#" commands */
1310     , HLF_R	    /* return to continue message and yes/no questions */
1311     , HLF_S	    /* status lines */
1312     , HLF_SNC	    /* status lines of not-current windows */
1313     , HLF_C	    /* column to separate vertically split windows */
1314     , HLF_T	    /* Titles for output from ":set all", ":autocmd" etc. */
1315     , HLF_V	    /* Visual mode */
1316     , HLF_VNC	    /* Visual mode, autoselecting and not clipboard owner */
1317     , HLF_W	    /* warning messages */
1318     , HLF_WM	    /* Wildmenu highlight */
1319     , HLF_FL	    /* Folded line */
1320     , HLF_FC	    /* Fold column */
1321     , HLF_ADD	    /* Added diff line */
1322     , HLF_CHD	    /* Changed diff line */
1323     , HLF_DED	    /* Deleted diff line */
1324     , HLF_TXD	    /* Text Changed in diff line */
1325     , HLF_CONCEAL   /* Concealed text */
1326     , HLF_SC	    /* Sign column */
1327     , HLF_SPB	    /* SpellBad */
1328     , HLF_SPC	    /* SpellCap */
1329     , HLF_SPR	    /* SpellRare */
1330     , HLF_SPL	    /* SpellLocal */
1331     , HLF_PNI	    /* popup menu normal item */
1332     , HLF_PSI	    /* popup menu selected item */
1333     , HLF_PSB	    /* popup menu scrollbar */
1334     , HLF_PST	    /* popup menu scrollbar thumb */
1335     , HLF_TP	    /* tabpage line */
1336     , HLF_TPS	    /* tabpage line selected */
1337     , HLF_TPF	    /* tabpage line filler */
1338     , HLF_CUC	    /* 'cursurcolumn' */
1339     , HLF_CUL	    /* 'cursurline' */
1340     , HLF_MC	    /* 'colorcolumn' */
1341     , HLF_COUNT	    /* MUST be the last one */
1342 } hlf_T;
1343 
1344 /* The HL_FLAGS must be in the same order as the HLF_ enums!
1345  * When changing this also adjust the default for 'highlight'. */
1346 #define HL_FLAGS {'8', '@', 'd', 'e', 'h', 'i', 'l', 'm', 'M', \
1347 		  'n', 'r', 's', 'S', 'c', 't', 'v', 'V', 'w', 'W', \
1348 		  'f', 'F', 'A', 'C', 'D', 'T', '-', '>', \
1349 		  'B', 'P', 'R', 'L', \
1350 		  '+', '=', 'x', 'X', '*', '#', '_', '!', '.', 'o'}
1351 
1352 /*
1353  * Boolean constants
1354  */
1355 #ifndef TRUE
1356 # define FALSE	0	    /* note: this is an int, not a long! */
1357 # define TRUE	1
1358 #endif
1359 
1360 #define MAYBE	2	    /* sometimes used for a variant on TRUE */
1361 
1362 #ifndef UINT32_T
1363 typedef UINT32_TYPEDEF UINT32_T;
1364 #endif
1365 
1366 /*
1367  * Operator IDs; The order must correspond to opchars[] in ops.c!
1368  */
1369 #define OP_NOP		0	/* no pending operation */
1370 #define OP_DELETE	1	/* "d"  delete operator */
1371 #define OP_YANK		2	/* "y"  yank operator */
1372 #define OP_CHANGE	3	/* "c"  change operator */
1373 #define OP_LSHIFT	4	/* "<"  left shift operator */
1374 #define OP_RSHIFT	5	/* ">"  right shift operator */
1375 #define OP_FILTER	6	/* "!"  filter operator */
1376 #define OP_TILDE	7	/* "g~" switch case operator */
1377 #define OP_INDENT	8	/* "="  indent operator */
1378 #define OP_FORMAT	9	/* "gq" format operator */
1379 #define OP_COLON	10	/* ":"  colon operator */
1380 #define OP_UPPER	11	/* "gU" make upper case operator */
1381 #define OP_LOWER	12	/* "gu" make lower case operator */
1382 #define OP_JOIN		13	/* "J"  join operator, only for Visual mode */
1383 #define OP_JOIN_NS	14	/* "gJ"  join operator, only for Visual mode */
1384 #define OP_ROT13	15	/* "g?" rot-13 encoding */
1385 #define OP_REPLACE	16	/* "r"  replace chars, only for Visual mode */
1386 #define OP_INSERT	17	/* "I"  Insert column, only for Visual mode */
1387 #define OP_APPEND	18	/* "A"  Append column, only for Visual mode */
1388 #define OP_FOLD		19	/* "zf" define a fold */
1389 #define OP_FOLDOPEN	20	/* "zo" open folds */
1390 #define OP_FOLDOPENREC	21	/* "zO" open folds recursively */
1391 #define OP_FOLDCLOSE	22	/* "zc" close folds */
1392 #define OP_FOLDCLOSEREC	23	/* "zC" close folds recursively */
1393 #define OP_FOLDDEL	24	/* "zd" delete folds */
1394 #define OP_FOLDDELREC	25	/* "zD" delete folds recursively */
1395 #define OP_FORMAT2	26	/* "gw" format operator, keeps cursor pos */
1396 #define OP_FUNCTION	27	/* "g@" call 'operatorfunc' */
1397 
1398 /*
1399  * Motion types, used for operators and for yank/delete registers.
1400  */
1401 #define MCHAR	0		/* character-wise movement/register */
1402 #define MLINE	1		/* line-wise movement/register */
1403 #define MBLOCK	2		/* block-wise register */
1404 
1405 #define MAUTO	0xff		/* Decide between MLINE/MCHAR */
1406 
1407 /*
1408  * Minimum screen size
1409  */
1410 #define MIN_COLUMNS	12	/* minimal columns for screen */
1411 #define MIN_LINES	2	/* minimal lines for screen */
1412 #define STATUS_HEIGHT	1	/* height of a status line under a window */
1413 #define QF_WINHEIGHT	10	/* default height for quickfix window */
1414 
1415 /*
1416  * Buffer sizes
1417  */
1418 #ifndef CMDBUFFSIZE
1419 # define CMDBUFFSIZE	256	/* size of the command processing buffer */
1420 #endif
1421 
1422 #define LSIZE	    512		/* max. size of a line in the tags file */
1423 
1424 #define IOSIZE	   (1024+1)	/* file i/o and sprintf buffer size */
1425 
1426 #ifdef FEAT_MBYTE
1427 # define MSG_BUF_LEN 480	/* length of buffer for small messages */
1428 # define MSG_BUF_CLEN  (MSG_BUF_LEN / 6)    /* cell length (worst case: utf-8
1429 					       takes 6 bytes for one cell) */
1430 #else
1431 # define MSG_BUF_LEN 80		/* length of buffer for small messages */
1432 # define MSG_BUF_CLEN  MSG_BUF_LEN	    /* cell length */
1433 #endif
1434 
1435 /* Size of the buffer used for tgetent().  Unfortunately this is largely
1436  * undocumented, some systems use 1024.  Using a buffer that is too small
1437  * causes a buffer overrun and a crash.  Use the maximum known value to stay
1438  * on the safe side. */
1439 #define TBUFSZ 2048		/* buffer size for termcap entry */
1440 
1441 /*
1442  * Maximum length of key sequence to be mapped.
1443  * Must be able to hold an Amiga resize report.
1444  */
1445 #define MAXMAPLEN   50
1446 
1447 /* Size in bytes of the hash used in the undo file. */
1448 #define UNDO_HASH_SIZE 32
1449 
1450 #ifdef HAVE_FCNTL_H
1451 # include <fcntl.h>
1452 #endif
1453 
1454 #ifdef BINARY_FILE_IO
1455 # define WRITEBIN   "wb"	/* no CR-LF translation */
1456 # define READBIN    "rb"
1457 # define APPENDBIN  "ab"
1458 #else
1459 # define WRITEBIN   "w"
1460 # define READBIN    "r"
1461 # define APPENDBIN  "a"
1462 #endif
1463 
1464 /*
1465  * EMX doesn't have a global way of making open() use binary I/O.
1466  * Use O_BINARY for all open() calls.
1467  */
1468 #if defined(__EMX__) || defined(__CYGWIN32__)
1469 # define O_EXTRA    O_BINARY
1470 #else
1471 # define O_EXTRA    0
1472 #endif
1473 
1474 #ifndef O_NOFOLLOW
1475 # define O_NOFOLLOW 0
1476 #endif
1477 
1478 #ifndef W_OK
1479 # define W_OK 2		/* for systems that don't have W_OK in unistd.h */
1480 #endif
1481 #ifndef R_OK
1482 # define R_OK 4		/* for systems that don't have R_OK in unistd.h */
1483 #endif
1484 
1485 /*
1486  * defines to avoid typecasts from (char_u *) to (char *) and back
1487  * (vim_strchr() and vim_strrchr() are now in alloc.c)
1488  */
1489 #define STRLEN(s)	    strlen((char *)(s))
1490 #define STRCPY(d, s)	    strcpy((char *)(d), (char *)(s))
1491 #define STRNCPY(d, s, n)    strncpy((char *)(d), (char *)(s), (size_t)(n))
1492 #define STRCMP(d, s)	    strcmp((char *)(d), (char *)(s))
1493 #define STRNCMP(d, s, n)    strncmp((char *)(d), (char *)(s), (size_t)(n))
1494 #ifdef HAVE_STRCASECMP
1495 # define STRICMP(d, s)	    strcasecmp((char *)(d), (char *)(s))
1496 #else
1497 # ifdef HAVE_STRICMP
1498 #  define STRICMP(d, s)	    stricmp((char *)(d), (char *)(s))
1499 # else
1500 #  define STRICMP(d, s)	    vim_stricmp((char *)(d), (char *)(s))
1501 # endif
1502 #endif
1503 
1504 /* Like strcpy() but allows overlapped source and destination. */
1505 #define STRMOVE(d, s)	    mch_memmove((d), (s), STRLEN(s) + 1)
1506 
1507 #ifdef HAVE_STRNCASECMP
1508 # define STRNICMP(d, s, n)  strncasecmp((char *)(d), (char *)(s), (size_t)(n))
1509 #else
1510 # ifdef HAVE_STRNICMP
1511 #  define STRNICMP(d, s, n) strnicmp((char *)(d), (char *)(s), (size_t)(n))
1512 # else
1513 #  define STRNICMP(d, s, n) vim_strnicmp((char *)(d), (char *)(s), (size_t)(n))
1514 # endif
1515 #endif
1516 
1517 #ifdef FEAT_MBYTE
1518 /* We need to call mb_stricmp() even when we aren't dealing with a multi-byte
1519  * encoding because mb_stricmp() takes care of all ascii and non-ascii
1520  * encodings, including characters with umlauts in latin1, etc., while
1521  * STRICMP() only handles the system locale version, which often does not
1522  * handle non-ascii properly. */
1523 
1524 # define MB_STRICMP(d, s)	mb_strnicmp((char_u *)(d), (char_u *)(s), (int)MAXCOL)
1525 # define MB_STRNICMP(d, s, n)	mb_strnicmp((char_u *)(d), (char_u *)(s), (int)(n))
1526 #else
1527 # define MB_STRICMP(d, s)	STRICMP((d), (s))
1528 # define MB_STRNICMP(d, s, n)	STRNICMP((d), (s), (n))
1529 #endif
1530 
1531 #define STRCAT(d, s)	    strcat((char *)(d), (char *)(s))
1532 #define STRNCAT(d, s, n)    strncat((char *)(d), (char *)(s), (size_t)(n))
1533 
1534 #ifdef HAVE_STRPBRK
1535 # define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
1536 #endif
1537 
1538 #define MSG(s)			    msg((char_u *)(s))
1539 #define MSG_ATTR(s, attr)	    msg_attr((char_u *)(s), (attr))
1540 #define EMSG(s)			    emsg((char_u *)(s))
1541 #define EMSG2(s, p)		    emsg2((char_u *)(s), (char_u *)(p))
1542 #define EMSG3(s, p, q)		    emsg3((char_u *)(s), (char_u *)(p), (char_u *)(q))
1543 #define EMSGN(s, n)		    emsgn((char_u *)(s), (long)(n))
1544 #define EMSGU(s, n)		    emsgu((char_u *)(s), (long_u)(n))
1545 #define OUT_STR(s)		    out_str((char_u *)(s))
1546 #define OUT_STR_NF(s)		    out_str_nf((char_u *)(s))
1547 #define MSG_PUTS(s)		    msg_puts((char_u *)(s))
1548 #define MSG_PUTS_ATTR(s, a)	    msg_puts_attr((char_u *)(s), (a))
1549 #define MSG_PUTS_TITLE(s)	    msg_puts_title((char_u *)(s))
1550 #define MSG_PUTS_LONG(s)	    msg_puts_long_attr((char_u *)(s), 0)
1551 #define MSG_PUTS_LONG_ATTR(s, a)    msg_puts_long_attr((char_u *)(s), (a))
1552 
1553 /* Prefer using emsg3(), because perror() may send the output to the wrong
1554  * destination and mess up the screen. */
1555 #ifdef HAVE_STRERROR
1556 # define PERROR(msg)		    (void)emsg3((char_u *)"%s: %s", (char_u *)msg, (char_u *)strerror(errno))
1557 #else
1558 # define PERROR(msg)		    perror(msg)
1559 #endif
1560 
1561 typedef long	linenr_T;		/* line number type */
1562 typedef int	colnr_T;		/* column number type */
1563 typedef unsigned short disptick_T;	/* display tick type */
1564 
1565 #define MAXLNUM (0x7fffffffL)		/* maximum (invalid) line number */
1566 
1567 /*
1568  * Well, you won't believe it, but some S/390 machines ("host", now also known
1569  * as zServer) use 31 bit pointers. There are also some newer machines, that
1570  * use 64 bit pointers. I don't know how to distinguish between 31 and 64 bit
1571  * machines, so the best way is to assume 31 bits whenever we detect OS/390
1572  * Unix.
1573  * With this we restrict the maximum line length to 1073741823. I guess this is
1574  * not a real problem. BTW:  Longer lines are split.
1575  */
1576 #if SIZEOF_INT >= 4
1577 # ifdef __MVS__
1578 #  define MAXCOL (0x3fffffffL)		/* maximum column number, 30 bits */
1579 # else
1580 #  define MAXCOL (0x7fffffffL)		/* maximum column number, 31 bits */
1581 # endif
1582 #else
1583 # define MAXCOL	(0x7fff)		/* maximum column number, 15 bits */
1584 #endif
1585 
1586 #define SHOWCMD_COLS 10			/* columns needed by shown command */
1587 #define STL_MAX_ITEM 80			/* max nr of %<flag> in statusline */
1588 
1589 typedef void	    *vim_acl_T;		/* dummy to pass an ACL to a function */
1590 
1591 /*
1592  * Include a prototype for mch_memmove(), it may not be in alloc.pro.
1593  */
1594 #ifdef VIM_MEMMOVE
1595 void mch_memmove __ARGS((void *, void *, size_t));
1596 #else
1597 # ifndef mch_memmove
1598 #  define mch_memmove(to, from, len) memmove(to, from, len)
1599 # endif
1600 #endif
1601 
1602 /*
1603  * fnamecmp() is used to compare file names.
1604  * On some systems case in a file name does not matter, on others it does.
1605  * (this does not account for maximum name lengths and things like "../dir",
1606  * thus it is not 100% accurate!)
1607  */
1608 #ifdef CASE_INSENSITIVE_FILENAME
1609 # ifdef BACKSLASH_IN_FILENAME
1610 #  define fnamecmp(x, y) vim_fnamecmp((x), (y))
1611 #  define fnamencmp(x, y, n) vim_fnamencmp((x), (y), (size_t)(n))
1612 # else
1613 #  define fnamecmp(x, y) MB_STRICMP((x), (y))
1614 #  define fnamencmp(x, y, n) MB_STRNICMP((x), (y), (n))
1615 # endif
1616 #else
1617 # define fnamecmp(x, y) strcmp((char *)(x), (char *)(y))
1618 # define fnamencmp(x, y, n) strncmp((char *)(x), (char *)(y), (size_t)(n))
1619 #endif
1620 
1621 #ifdef HAVE_MEMSET
1622 # define vim_memset(ptr, c, size)   memset((ptr), (c), (size))
1623 #else
1624 void *vim_memset __ARGS((void *, int, size_t));
1625 #endif
1626 
1627 #ifdef HAVE_MEMCMP
1628 # define vim_memcmp(p1, p2, len)   memcmp((p1), (p2), (len))
1629 #else
1630 # ifdef HAVE_BCMP
1631 #  define vim_memcmp(p1, p2, len)   bcmp((p1), (p2), (len))
1632 # else
1633 int vim_memcmp __ARGS((void *, void *, size_t));
1634 #  define VIM_MEMCMP
1635 # endif
1636 #endif
1637 
1638 #if defined(UNIX) || defined(FEAT_GUI) || defined(OS2) || defined(VMS) \
1639 	|| defined(FEAT_CLIENTSERVER)
1640 # define USE_INPUT_BUF
1641 #endif
1642 
1643 #ifdef MSWIN
1644 /* On MS-Windows the third argument isn't size_t.  This matters for Win64,
1645  * where sizeof(size_t)==8, not 4 */
1646 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (unsigned int)(count))
1647 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (unsigned int)(count))
1648 #else
1649 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (size_t) (count))
1650 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (size_t) (count))
1651 #endif
1652 
1653 /*
1654  * Enums need a typecast to be used as array index (for Ultrix).
1655  */
1656 #define hl_attr(n)	highlight_attr[(int)(n)]
1657 #define term_str(n)	term_strings[(int)(n)]
1658 
1659 /*
1660  * vim_iswhite() is used for "^" and the like. It differs from isspace()
1661  * because it doesn't include <CR> and <LF> and the like.
1662  */
1663 #define vim_iswhite(x)	((x) == ' ' || (x) == '\t')
1664 
1665 /*
1666  * EXTERN is only defined in main.c.  That's where global variables are
1667  * actually defined and initialized.
1668  */
1669 #ifndef EXTERN
1670 # define EXTERN extern
1671 # define INIT(x)
1672 #else
1673 # ifndef INIT
1674 #  define INIT(x) x
1675 #  define DO_INIT
1676 # endif
1677 #endif
1678 
1679 #ifdef FEAT_MBYTE
1680 # define MAX_MCO	6	/* maximum value for 'maxcombine' */
1681 
1682 /* Maximum number of bytes in a multi-byte character.  It can be one 32-bit
1683  * character of up to 6 bytes, or one 16-bit character of up to three bytes
1684  * plus six following composing characters of three bytes each. */
1685 # define MB_MAXBYTES	21
1686 #endif
1687 
1688 #if (defined(FEAT_PROFILE) || defined(FEAT_RELTIME)) && !defined(PROTO)
1689 # ifdef WIN3264
1690 typedef LARGE_INTEGER proftime_T;
1691 # else
1692 typedef struct timeval proftime_T;
1693 # endif
1694 #else
1695 typedef int proftime_T;	    /* dummy for function prototypes */
1696 #endif
1697 
1698 /* Include option.h before structs.h, because the number of window-local and
1699  * buffer-local options is used there. */
1700 #include "option.h"	    /* options and default values */
1701 
1702 /* Note that gui.h is included by structs.h */
1703 
1704 #include "structs.h"	    /* file that defines many structures */
1705 
1706 /* Values for "do_profiling". */
1707 #define PROF_NONE	0	/* profiling not started */
1708 #define PROF_YES	1	/* profiling busy */
1709 #define PROF_PAUSED	2	/* profiling paused */
1710 
1711 #ifdef FEAT_MOUSE
1712 
1713 /* Codes for mouse button events in lower three bits: */
1714 # define MOUSE_LEFT	0x00
1715 # define MOUSE_MIDDLE	0x01
1716 # define MOUSE_RIGHT	0x02
1717 # define MOUSE_RELEASE	0x03
1718 
1719 /* bit masks for modifiers: */
1720 # define MOUSE_SHIFT	0x04
1721 # define MOUSE_ALT	0x08
1722 # define MOUSE_CTRL	0x10
1723 
1724 /* mouse buttons that are handled like a key press (GUI only) */
1725 /* Note that the scroll wheel keys are inverted: MOUSE_5 scrolls lines up but
1726  * the result of this is that the window moves down, similarly MOUSE_6 scrolls
1727  * columns left but the window moves right. */
1728 # define MOUSE_4	0x100	/* scroll wheel down */
1729 # define MOUSE_5	0x200	/* scroll wheel up */
1730 
1731 # define MOUSE_X1	0x300 /* Mouse-button X1 (6th) */
1732 # define MOUSE_X2	0x400 /* Mouse-button X2 */
1733 
1734 # define MOUSE_6	0x500	/* scroll wheel left */
1735 # define MOUSE_7	0x600	/* scroll wheel right */
1736 
1737 /* 0x20 is reserved by xterm */
1738 # define MOUSE_DRAG_XTERM   0x40
1739 
1740 # define MOUSE_DRAG	(0x40 | MOUSE_RELEASE)
1741 
1742 /* Lowest button code for using the mouse wheel (xterm only) */
1743 # define MOUSEWHEEL_LOW		0x60
1744 
1745 # define MOUSE_CLICK_MASK	0x03
1746 
1747 # define NUM_MOUSE_CLICKS(code) \
1748     (((unsigned)((code) & 0xC0) >> 6) + 1)
1749 
1750 # define SET_NUM_MOUSE_CLICKS(code, num) \
1751     (code) = ((code) & 0x3f) | ((((num) - 1) & 3) << 6)
1752 
1753 /* Added to mouse column for GUI when 'mousefocus' wants to give focus to a
1754  * window by simulating a click on its status line.  We could use up to 128 *
1755  * 128 = 16384 columns, now it's reduced to 10000. */
1756 # define MOUSE_COLOFF 10000
1757 
1758 /*
1759  * jump_to_mouse() returns one of first four these values, possibly with
1760  * some of the other three added.
1761  */
1762 # define IN_UNKNOWN		0
1763 # define IN_BUFFER		1
1764 # define IN_STATUS_LINE		2	/* on status or command line */
1765 # define IN_SEP_LINE		4	/* on vertical separator line */
1766 # define IN_OTHER_WIN		8	/* in other window but can't go there */
1767 # define CURSOR_MOVED		0x100
1768 # define MOUSE_FOLD_CLOSE	0x200	/* clicked on '-' in fold column */
1769 # define MOUSE_FOLD_OPEN	0x400	/* clicked on '+' in fold column */
1770 
1771 /* flags for jump_to_mouse() */
1772 # define MOUSE_FOCUS		0x01	/* need to stay in this window */
1773 # define MOUSE_MAY_VIS		0x02	/* may start Visual mode */
1774 # define MOUSE_DID_MOVE		0x04	/* only act when mouse has moved */
1775 # define MOUSE_SETPOS		0x08	/* only set current mouse position */
1776 # define MOUSE_MAY_STOP_VIS	0x10	/* may stop Visual mode */
1777 # define MOUSE_RELEASED		0x20	/* button was released */
1778 
1779 # if defined(UNIX) && defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
1780 #  define CHECK_DOUBLE_CLICK 1	/* Checking for double clicks ourselves. */
1781 # endif
1782 
1783 #endif /* FEAT_MOUSE */
1784 
1785 /* defines for eval_vars() */
1786 #define VALID_PATH		1
1787 #define VALID_HEAD		2
1788 
1789 /* Defines for Vim variables.  These must match vimvars[] in eval.c! */
1790 #define VV_COUNT	0
1791 #define VV_COUNT1	1
1792 #define VV_PREVCOUNT	2
1793 #define VV_ERRMSG	3
1794 #define VV_WARNINGMSG	4
1795 #define VV_STATUSMSG	5
1796 #define VV_SHELL_ERROR	6
1797 #define VV_THIS_SESSION	7
1798 #define VV_VERSION	8
1799 #define VV_LNUM		9
1800 #define VV_TERMRESPONSE	10
1801 #define VV_FNAME	11
1802 #define VV_LANG		12
1803 #define VV_LC_TIME	13
1804 #define VV_CTYPE	14
1805 #define VV_CC_FROM	15
1806 #define VV_CC_TO	16
1807 #define VV_FNAME_IN	17
1808 #define VV_FNAME_OUT	18
1809 #define VV_FNAME_NEW	19
1810 #define VV_FNAME_DIFF	20
1811 #define VV_CMDARG	21
1812 #define VV_FOLDSTART	22
1813 #define VV_FOLDEND	23
1814 #define VV_FOLDDASHES	24
1815 #define VV_FOLDLEVEL	25
1816 #define VV_PROGNAME	26
1817 #define VV_SEND_SERVER	27
1818 #define VV_DYING	28
1819 #define VV_EXCEPTION	29
1820 #define VV_THROWPOINT	30
1821 #define VV_REG		31
1822 #define VV_CMDBANG	32
1823 #define VV_INSERTMODE	33
1824 #define VV_VAL		34
1825 #define VV_KEY		35
1826 #define VV_PROFILING	36
1827 #define VV_FCS_REASON	37
1828 #define VV_FCS_CHOICE	38
1829 #define VV_BEVAL_BUFNR	39
1830 #define VV_BEVAL_WINNR	40
1831 #define VV_BEVAL_LNUM	41
1832 #define VV_BEVAL_COL	42
1833 #define VV_BEVAL_TEXT	43
1834 #define VV_SCROLLSTART	44
1835 #define VV_SWAPNAME	45
1836 #define VV_SWAPCHOICE	46
1837 #define VV_SWAPCOMMAND	47
1838 #define VV_CHAR		48
1839 #define VV_MOUSE_WIN	49
1840 #define VV_MOUSE_LNUM   50
1841 #define VV_MOUSE_COL	51
1842 #define VV_OP		52
1843 #define VV_SEARCHFORWARD 53
1844 #define VV_OLDFILES	54
1845 #define VV_LEN		55	/* number of v: vars */
1846 
1847 #ifdef FEAT_CLIPBOARD
1848 
1849 /* VIM_ATOM_NAME is the older Vim-specific selection type for X11.  Still
1850  * supported for when a mix of Vim versions is used. VIMENC_ATOM_NAME includes
1851  * the encoding to support Vims using different 'encoding' values. */
1852 #define VIM_ATOM_NAME "_VIM_TEXT"
1853 #define VIMENC_ATOM_NAME "_VIMENC_TEXT"
1854 
1855 /* Selection states for modeless selection */
1856 # define SELECT_CLEARED		0
1857 # define SELECT_IN_PROGRESS	1
1858 # define SELECT_DONE		2
1859 
1860 # define SELECT_MODE_CHAR	0
1861 # define SELECT_MODE_WORD	1
1862 # define SELECT_MODE_LINE	2
1863 
1864 # ifdef FEAT_GUI_W32
1865 #  ifdef FEAT_OLE
1866 #   define WM_OLE (WM_APP+0)
1867 #  endif
1868 #  ifdef FEAT_NETBEANS_INTG
1869     /* message for Netbeans socket event */
1870 #   define WM_NETBEANS (WM_APP+1)
1871 #  endif
1872 # endif
1873 
1874 /* Info about selected text */
1875 typedef struct VimClipboard
1876 {
1877     int		available;	/* Is clipboard available? */
1878     int		owned;		/* Flag: do we own the selection? */
1879     pos_T	start;		/* Start of selected area */
1880     pos_T	end;		/* End of selected area */
1881     int		vmode;		/* Visual mode character */
1882 
1883     /* Fields for selection that doesn't use Visual mode */
1884     short_u	origin_row;
1885     short_u	origin_start_col;
1886     short_u	origin_end_col;
1887     short_u	word_start_col;
1888     short_u	word_end_col;
1889 
1890     pos_T	prev;		/* Previous position */
1891     short_u	state;		/* Current selection state */
1892     short_u	mode;		/* Select by char, word, or line. */
1893 
1894 # if defined(FEAT_GUI_X11) || defined(FEAT_XCLIPBOARD)
1895     Atom	sel_atom;	/* PRIMARY/CLIPBOARD selection ID */
1896 # endif
1897 
1898 # ifdef FEAT_GUI_GTK
1899     GdkAtom     gtk_sel_atom;	/* PRIMARY/CLIPBOARD selection ID */
1900 # endif
1901 
1902 # ifdef MSWIN
1903     int_u	format;		/* Vim's own special clipboard format */
1904     int_u	format_raw;	/* Vim's raw text clipboard format */
1905 # endif
1906 } VimClipboard;
1907 #else
1908 typedef int VimClipboard;	/* This is required for the prototypes. */
1909 #endif
1910 
1911 #ifdef __BORLANDC__
1912 /* work around a bug in the Borland 'stat' function: */
1913 # include <io.h>	    /* for access() */
1914 
1915 # define stat(a,b) (access(a,0) ? -1 : stat(a,b))
1916 #endif
1917 
1918 #include "ex_cmds.h"	    /* Ex command defines */
1919 #include "proto.h"	    /* function prototypes */
1920 
1921 /* This has to go after the include of proto.h, as proto/gui.pro declares
1922  * functions of these names. The declarations would break if the defines had
1923  * been seen at that stage.  But it must be before globals.h, where error_ga
1924  * is declared. */
1925 #if !defined(FEAT_GUI_W32) && !defined(FEAT_GUI_X11) \
1926 	&& !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MAC)
1927 # define mch_errmsg(str)	fprintf(stderr, "%s", (str))
1928 # define display_errors()	fflush(stderr)
1929 # define mch_msg(str)		printf("%s", (str))
1930 #else
1931 # define USE_MCH_ERRMSG
1932 #endif
1933 
1934 #ifndef FEAT_MBYTE
1935 # define after_pathsep(b, p)	vim_ispathsep(*((p) - 1))
1936 # define transchar_byte(c)	transchar(c)
1937 #endif
1938 
1939 #ifndef FEAT_LINEBREAK
1940 /* Without the 'numberwidth' option line numbers are always 7 chars. */
1941 # define number_width(x) 7
1942 #endif
1943 
1944 
1945 #include "globals.h"	    /* global variables and messages */
1946 
1947 #ifdef FEAT_SNIFF
1948 # include "if_sniff.h"
1949 #endif
1950 
1951 #ifndef FEAT_VIRTUALEDIT
1952 # define getvvcol(w, p, s, c, e) getvcol(w, p, s, c, e)
1953 # define virtual_active() 0
1954 # define virtual_op FALSE
1955 #endif
1956 
1957 /*
1958  * If console dialog not supported, but GUI dialog is, use the GUI one.
1959  */
1960 #if defined(FEAT_GUI_DIALOG) && !defined(FEAT_CON_DIALOG)
1961 # define do_dialog gui_mch_dialog
1962 #endif
1963 
1964 /*
1965  * Default filters for gui_mch_browse().
1966  * The filters are almost system independent.  Except for the difference
1967  * between "*" and "*.*" for MSDOS-like systems.
1968  * NOTE: Motif only uses the very first pattern.  Therefore
1969  * BROWSE_FILTER_DEFAULT should start with a "*" pattern.
1970  */
1971 #ifdef FEAT_BROWSE
1972 # ifdef BACKSLASH_IN_FILENAME
1973 #  define BROWSE_FILTER_MACROS \
1974 	(char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*.*)\t*.*\n"
1975 #  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*.*)\t*.*\n"
1976 #  define BROWSE_FILTER_DEFAULT \
1977 	(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"
1978 # else
1979 #  define BROWSE_FILTER_MACROS \
1980 	(char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*)\t*\n"
1981 #  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*)\t*\n"
1982 #  define BROWSE_FILTER_DEFAULT \
1983 	(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"
1984 # endif
1985 # define BROWSE_SAVE 1	    /* flag for do_browse() */
1986 # define BROWSE_DIR 2	    /* flag for do_browse() */
1987 #endif
1988 
1989 /* stop using fastcall for Borland */
1990 #if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
1991  #pragma option -p.
1992 #endif
1993 
1994 #ifdef _MSC_VER
1995 /* Avoid useless warning "conversion from X to Y of greater size". */
1996  #pragma warning(disable : 4312)
1997 #endif
1998 
1999 #if defined(MEM_PROFILE)
2000 # define vim_realloc(ptr, size)  mem_realloc((ptr), (size))
2001 #else
2002 # define vim_realloc(ptr, size)  realloc((ptr), (size))
2003 #endif
2004 
2005 /*
2006  * The following macros stop display/event loop nesting at the wrong time.
2007  */
2008 #ifdef ALT_X_INPUT
2009 # define ALT_INPUT_LOCK_OFF	suppress_alternate_input = FALSE
2010 # define ALT_INPUT_LOCK_ON	suppress_alternate_input = TRUE
2011 #endif
2012 
2013 #ifdef FEAT_MBYTE
2014 /*
2015  * Return byte length of character that starts with byte "b".
2016  * Returns 1 for a single-byte character.
2017  * MB_BYTE2LEN_CHECK() can be used to count a special key as one byte.
2018  * Don't call MB_BYTE2LEN(b) with b < 0 or b > 255!
2019  */
2020 # define MB_BYTE2LEN(b)		mb_bytelen_tab[b]
2021 # define MB_BYTE2LEN_CHECK(b)	(((b) < 0 || (b) > 255) ? 1 : mb_bytelen_tab[b])
2022 #endif
2023 
2024 #if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
2025 /* properties used in enc_canon_table[] (first three mutually exclusive) */
2026 # define ENC_8BIT	0x01
2027 # define ENC_DBCS	0x02
2028 # define ENC_UNICODE	0x04
2029 
2030 # define ENC_ENDIAN_B	0x10	    /* Unicode: Big endian */
2031 # define ENC_ENDIAN_L	0x20	    /* Unicode: Little endian */
2032 
2033 # define ENC_2BYTE	0x40	    /* Unicode: UCS-2 */
2034 # define ENC_4BYTE	0x80	    /* Unicode: UCS-4 */
2035 # define ENC_2WORD	0x100	    /* Unicode: UTF-16 */
2036 
2037 # define ENC_LATIN1	0x200	    /* Latin1 */
2038 # define ENC_LATIN9	0x400	    /* Latin9 */
2039 # define ENC_MACROMAN	0x800	    /* Mac Roman (not Macro Man! :-) */
2040 #endif
2041 
2042 #ifdef FEAT_MBYTE
2043 # ifdef USE_ICONV
2044 #  ifndef EILSEQ
2045 #   define EILSEQ 123
2046 #  endif
2047 #  ifdef DYNAMIC_ICONV
2048 /* On Win32 iconv.dll is dynamically loaded. */
2049 #   define ICONV_ERRNO (*iconv_errno())
2050 #   define ICONV_E2BIG  7
2051 #   define ICONV_EINVAL 22
2052 #   define ICONV_EILSEQ 42
2053 #  else
2054 #   define ICONV_ERRNO errno
2055 #   define ICONV_E2BIG  E2BIG
2056 #   define ICONV_EINVAL EINVAL
2057 #   define ICONV_EILSEQ EILSEQ
2058 #  endif
2059 # endif
2060 
2061 #endif
2062 
2063 /* ISSYMLINK(mode) tests if a file is a symbolic link. */
2064 #if (defined(S_IFMT) && defined(S_IFLNK)) || defined(S_ISLNK)
2065 # define HAVE_ISSYMLINK
2066 # if defined(S_IFMT) && defined(S_IFLNK)
2067 #  define ISSYMLINK(mode) (((mode) & S_IFMT) == S_IFLNK)
2068 # else
2069 #  define ISSYMLINK(mode) S_ISLNK(mode)
2070 # endif
2071 #endif
2072 
2073 #define SIGN_BYTE 1	    /* byte value used where sign is displayed;
2074 			       attribute value is sign type */
2075 
2076 #ifdef FEAT_NETBEANS_INTG
2077 # define MULTISIGN_BYTE 2   /* byte value used where sign is displayed if
2078 			       multiple signs exist on the line */
2079 #endif
2080 
2081 #if defined(FEAT_GUI) && defined(FEAT_XCLIPBOARD)
2082 # ifdef FEAT_GUI_GTK
2083    /* Avoid using a global variable for the X display.  It's ugly
2084     * and is likely to cause trouble in multihead environments. */
2085 #  define X_DISPLAY	((gui.in_use) ? gui_mch_get_display() : xterm_dpy)
2086 # else
2087 #  define X_DISPLAY	(gui.in_use ? gui.dpy : xterm_dpy)
2088 # endif
2089 #else
2090 # ifdef FEAT_GUI
2091 #  ifdef FEAT_GUI_GTK
2092 #   define X_DISPLAY	((gui.in_use) ? gui_mch_get_display() : (Display *)NULL)
2093 #  else
2094 #   define X_DISPLAY	gui.dpy
2095 #  endif
2096 # else
2097 #  define X_DISPLAY	xterm_dpy
2098 # endif
2099 #endif
2100 
2101 #ifndef FEAT_NETBEANS_INTG
2102 # undef NBDEBUG
2103 #endif
2104 #ifdef NBDEBUG /* Netbeans debugging. */
2105 # include "nbdebug.h"
2106 #else
2107 # define nbdebug(a)
2108 #endif
2109 
2110 #ifdef IN_PERL_FILE
2111   /*
2112    * Avoid clashes between Perl and Vim namespace.
2113    */
2114 # undef NORMAL
2115 # undef STRLEN
2116 # undef FF
2117 # undef OP_DELETE
2118 # undef OP_JOIN
2119 # ifdef __BORLANDC__
2120 #  define NOPROTO 1
2121 # endif
2122   /* remove MAX and MIN, included by glib.h, redefined by sys/param.h */
2123 # ifdef MAX
2124 #  undef MAX
2125 # endif
2126 # ifdef MIN
2127 #  undef MIN
2128 # endif
2129   /* We use _() for gettext(), Perl uses it for function prototypes... */
2130 # ifdef _
2131 #  undef _
2132 # endif
2133 # ifdef DEBUG
2134 #  undef DEBUG
2135 # endif
2136 # ifdef _DEBUG
2137 #  undef _DEBUG
2138 # endif
2139 # ifdef instr
2140 #  undef instr
2141 # endif
2142   /* bool may cause trouble on MACOS but is required on a few other systems
2143    * and for Perl */
2144 # if defined(bool) && defined(MACOS) && !defined(FEAT_PERL)
2145 #  undef bool
2146 # endif
2147 
2148 # ifdef __BORLANDC__
2149   /* Borland has the structure stati64 but not _stati64 */
2150 #  define _stati64 stati64
2151 # endif
2152 
2153 # include <EXTERN.h>
2154 # include <perl.h>
2155 # include <XSUB.h>
2156 #endif
2157 
2158 /* values for vim_handle_signal() that are not a signal */
2159 #define SIGNAL_BLOCK	-1
2160 #define SIGNAL_UNBLOCK  -2
2161 #if !defined(UNIX) && !defined(VMS) && !defined(OS2)
2162 # define vim_handle_signal(x) 0
2163 #endif
2164 
2165 /* flags for skip_vimgrep_pat() */
2166 #define VGR_GLOBAL	1
2167 #define VGR_NOJUMP	2
2168 
2169 /* behavior for bad character, "++bad=" argument */
2170 #define BAD_REPLACE	'?'	/* replace it with '?' (default) */
2171 #define BAD_KEEP	-1	/* leave it */
2172 #define BAD_DROP	-2	/* erase it */
2173 
2174 /* last argument for do_source() */
2175 #define DOSO_NONE	0
2176 #define DOSO_VIMRC	1	/* loading vimrc file */
2177 #define DOSO_GVIMRC	2	/* loading gvimrc file */
2178 
2179 /* flags for read_viminfo() and children */
2180 #define VIF_WANT_INFO		1	/* load non-mark info */
2181 #define VIF_WANT_MARKS		2	/* load file marks */
2182 #define VIF_FORCEIT		4	/* overwrite info already read */
2183 #define VIF_GET_OLDFILES	8	/* load v:oldfiles */
2184 
2185 /* flags for buf_freeall() */
2186 #define BFA_DEL		1	/* buffer is going to be deleted */
2187 #define BFA_WIPE	2	/* buffer is going to be wiped out */
2188 #define BFA_KEEP_UNDO	4	/* do not free undo information */
2189 
2190 /* direction for nv_mousescroll() and ins_mousescroll() */
2191 #define MSCR_DOWN	0	/* DOWN must be FALSE */
2192 #define MSCR_UP		1
2193 #define MSCR_LEFT	-1
2194 #define MSCR_RIGHT	-2
2195 
2196 #endif /* VIM__H */
2197