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/* vi:set ts=8 sts=4 sw=4:
 *
 * VIM - Vi IMproved    by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

#ifndef VIM__H
# define VIM__H

/* use fastcall for Borland, when compiling for Win32 (not for DOS16) */
#if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
#if defined(FEAT_PERL) || \
    defined(FEAT_PYTHON) || \
    defined(FEAT_RUBY) || \
    defined(FEAT_TCL) || \
    defined(FEAT_MZSCHEME) || \
    defined(DYNAMIC_GETTEXT) || \
    defined(DYNAMIC_ICONV) || \
    defined(DYNAMIC_IME) || \
    defined(XPM)
  #pragma option -pc
# else
  #pragma option -pr
# endif
#endif

/* ============ the header file puzzle (ca. 50-100 pieces) ========= */

#ifdef HAVE_CONFIG_H    /* GNU autoconf (or something else) was here */
# include "auto/config.h"
# define HAVE_PATHDEF

/*
 * Check if configure correctly managed to find sizeof(int).  If this failed,
 * it becomes zero.  This is likely a problem of not being able to run the
 * test program.  Other items from configure may also be wrong then!
 */
# if (SIZEOF_INT == 0)
    Error: configure did not run properly.  Check auto/config.log.
# endif

/*
 * Cygwin may have fchdir() in a newer release, but in most versions it
 * doesn't work well and avoiding it keeps the binary backward compatible.
 */
# if defined(__CYGWIN32__) && defined(HAVE_FCHDIR)
#  undef HAVE_FCHDIR
# endif
#endif

/* user ID of root is usually zero, but not for everybody */
#ifdef __TANDEM
# define _TANDEM_SOURCE
# include <floss.h>
# define ROOT_UID 65535
#else
# define ROOT_UID 0
#endif

#ifdef __EMX__          /* hand-edited config.h for OS/2 with EMX */
# include "os_os2_cfg.h"
#endif

/*
 * MACOS_CLASSIC compiling for MacOS prior to MacOS X
 * MACOS_X_UNIX  compiling for MacOS X (using os_unix.c)
 * MACOS_X       compiling for MacOS X (using os_unix.c)
 * MACOS         compiling for either one
 */
#if defined(macintosh) && !defined(MACOS_CLASSIC)
# define MACOS_CLASSIC
#endif
#if defined(MACOS_X_UNIX)
# define MACOS_X
# ifndef HAVE_CONFIG_H
#  define UNIX
# endif
#endif
#if defined(MACOS_X) || defined(MACOS_CLASSIC)
#  define MACOS
#endif
#if defined(MACOS_X) && defined(MACOS_CLASSIC)
    Error: To compile for both MACOS X and Classic use a Classic Carbon
#endif
/* Unless made through the Makefile enforce GUI on Mac */
#if defined(MACOS) && !defined(HAVE_CONFIG_H)
# define FEAT_GUI_MAC
#endif

#if defined(FEAT_GUI_MOTIF) \
    || defined(FEAT_GUI_GTK) \
    || defined(FEAT_GUI_ATHENA) \
    || defined(FEAT_GUI_MAC) \
    || defined(FEAT_GUI_W32) \
    || defined(FEAT_GUI_W16) \
    || defined(FEAT_GUI_PHOTON)
# if !defined(FEAT_GUI) && !defined(NO_X11_INCLUDES)
#  define FEAT_GUI
# endif
#endif

/* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */
#if _MSC_VER >= 1400
# define _CRT_SECURE_NO_DEPRECATE
# define _CRT_NONSTDC_NO_DEPRECATE
#endif

#if defined(FEAT_GUI_W32) || defined(FEAT_GUI_W16)
# define FEAT_GUI_MSWIN
#endif
#if defined(WIN16) || defined(WIN32) || defined(_WIN64)
# define MSWIN
#endif
/* Practically everything is common to both Win32 and Win64 */
#if defined(WIN32) || defined(_WIN64)
# define WIN3264
#endif

/*
 * SIZEOF_INT is used in feature.h, and the system-specific included files
 * need items from feature.h.  Therefore define SIZEOF_INT here.
 */
#ifdef WIN3264
# define SIZEOF_INT 4
#endif
#ifdef MSDOS
# ifdef DJGPP
#  ifndef FEAT_GUI_GTK          /* avoid problems when generating prototypes */
#   define SIZEOF_INT 4         /* 32 bit ints */
#  endif
#  define DOS32
#  define FEAT_CLIPBOARD
# else
#  ifndef FEAT_GUI_GTK          /* avoid problems when generating prototypes */
#   define SIZEOF_INT 2         /* 16 bit ints */
#  endif
#  define SMALL_MALLOC          /* 16 bit storage allocation */
#  define DOS16
# endif
#endif

#ifdef AMIGA
  /* Be conservative about sizeof(int). It could be 4 too. */
# ifndef FEAT_GUI_GTK   /* avoid problems when generating prototypes */
#  ifdef __GNUC__
#   define SIZEOF_INT   4
#  else
#   define SIZEOF_INT   2
#  endif
# endif
#endif
#ifdef MACOS
# if defined(__POWERPC__) || defined(MACOS_X) || defined(__fourbyteints__) \
  || defined(__MRC__) || defined(__SC__) || defined(__APPLE_CC__)/* MPW Compilers */
#  define SIZEOF_INT 4
# else
#  define SIZEOF_INT 2
# endif
#endif
#ifdef RISCOS
# define SIZEOF_INT 4
#endif
#ifdef PLAN9
# define SIZEOF_INT 4
#endif


#include "feature.h"    /* #defines for optionals and features */

/* +x11 is only enabled when it's both available and wanted. */
#if defined(HAVE_X11) && defined(WANT_X11)
# define FEAT_X11
#endif

#ifdef NO_X11_INCLUDES
    /* In os_mac_conv.c NO_X11_INCLUDES is defined to avoid X11 headers.
     * Disable all X11 related things to avoid conflicts. */
# ifdef FEAT_X11
#  undef FEAT_X11
# endif
# ifdef FEAT_XCLIPBOARD
#  undef FEAT_XCLIPBOARD
# endif
# ifdef FEAT_GUI_MOTIF
#  undef FEAT_GUI_MOTIF
# endif
# ifdef FEAT_GUI_ATHENA
#  undef FEAT_GUI_ATHENA
# endif
# ifdef FEAT_GUI_GTK
#  undef FEAT_GUI_GTK
# endif
# ifdef FEAT_BEVAL_TIP
#  undef FEAT_BEVAL_TIP
# endif
# ifdef FEAT_XIM
#  undef FEAT_XIM
# endif
# ifdef FEAT_CLIENTSERVER
#  undef FEAT_CLIENTSERVER
# endif
#endif

/* The Mac conversion stuff doesn't work under X11. */
#if defined(FEAT_MBYTE) && defined(MACOS_X)
# define MACOS_CONVERT
#endif

/* Can't use "PACKAGE" here, conflicts with a Perl include file. */
#ifndef VIMPACKAGE
# define VIMPACKAGE     "vim"
#endif

/*
 * Find out if function definitions should include argument types
 */
#ifdef AZTEC_C
# include <functions.h>
# define __ARGS(x)  x
#endif

#ifdef SASC
# include <clib/exec_protos.h>
# define __ARGS(x)  x
#endif

#ifdef _DCC
# include <clib/exec_protos.h>
# define __ARGS(x)  x
#endif

#ifdef __TURBOC__
# define __ARGS(x) x
#endif

#ifdef __BEOS__
# include "os_beos.h"
# define __ARGS(x)  x
#endif

#if (defined(UNIX) || defined(__EMX__) || defined(VMS)) \
        && (!defined(MACOS_X) || defined(HAVE_CONFIG_H))
# include "os_unix.h"       /* bring lots of system header files */
#endif

#if defined(MACOS) && (defined(__MRC__) || defined(__SC__))
   /* Apple's Compilers support prototypes */
# define __ARGS(x) x
#endif
#ifndef __ARGS
# if defined(__STDC__) || defined(__GNUC__) || defined(WIN3264)
#  define __ARGS(x) x
# else
#  define __ARGS(x) ()
# endif
#endif

/* __ARGS and __PARMS are the same thing. */
#ifndef __PARMS
# define __PARMS(x) __ARGS(x)
#endif

/* if we're compiling in C++ (currently only KVim), the system
 * headers must have the correct prototypes or nothing will build.
 * conversely, our prototypes might clash due to throw() specifiers and
 * cause compilation failures even though the headers are correct.  For
 * a concrete example, gcc-3.2 enforces exception specifications, and
 * glibc-2.2.5 has them in their system headers.
 */
#if !defined(__cplusplus) && defined(UNIX) \
  && !defined(MACOS_X) /* MACOS_X doesn't yet support osdef.h */
# include "auto/osdef.h"        /* bring missing declarations in */
#endif

#ifdef __EMX__
# define    getcwd  _getcwd2
# define    chdir   _chdir2
# undef     CHECK_INODE
#endif

#ifdef AMIGA
# include "os_amiga.h"
#endif

#ifdef MSDOS
# include "os_msdos.h"
#endif

#ifdef WIN16
# include "os_win16.h"
#endif

#ifdef WIN3264
# include "os_win32.h"
#endif

#ifdef __MINT__
# include "os_mint.h"
#endif

#if defined(MACOS)
# if defined(__MRC__) || defined(__SC__) /* MPW Compilers */
#  define HAVE_SETENV
# endif
# include "os_mac.h"
#endif

#if defined(PLAN9)
# include "os_plan9.h"
#endif

#ifdef RISCOS
# include "os_riscos.h"
#endif

#ifdef __QNX__
# include "os_qnx.h"
#endif

#ifdef FEAT_SUN_WORKSHOP
# include "workshop.h"
#endif

#ifdef X_LOCALE
# include <X11/Xlocale.h>
#else
# ifdef HAVE_LOCALE_H
#  include <locale.h>
# endif
#endif

/*
 * Maximum length of a path (for non-unix systems) Make it a bit long, to stay
 * on the safe side.  But not too long to put on the stack.
 */
#ifndef MAXPATHL
# ifdef MAXPATHLEN
#  define MAXPATHL  MAXPATHLEN
# else
#  define MAXPATHL  256
# endif
#endif
#ifdef BACKSLASH_IN_FILENAME
# define PATH_ESC_CHARS ((char_u *)" \t*?[{`%#")
#else
# define PATH_ESC_CHARS ((char_u *)" \t*?[{`$\\%#'\"|")
# define SHELL_ESC_CHARS ((char_u *)" \t*?[{`$\\%#'\"|<>();&!")
#endif

#define NUMBUFLEN 30        /* length of a buffer to store a number in ASCII */

/*
 * Shorthand for unsigned variables. Many systems, but not all, have u_char
 * already defined, so we use char_u to avoid trouble.
 */
typedef unsigned char   char_u;
typedef unsigned short  short_u;
typedef unsigned int    int_u;
/* Make sure long_u is big enough to hold a pointer.
 * On Win64 longs are 32 bit and pointers 64 bit.
 * For printf() and scanf() we need to take care of long_u specifically. */
#ifdef _WIN64
typedef unsigned __int64 long_u;
typedef          __int64 long_i;
# define SCANF_HEX_LONG_U  "%Ix"
# define PRINTF_HEX_LONG_U "0x%Ix"
#else
typedef unsigned long   long_u;
typedef          long   long_i;
# define SCANF_HEX_LONG_U  "%lx"
# define PRINTF_HEX_LONG_U "0x%lx"
#endif

/*
 * The characters and attributes cached for the screen.
 */
typedef char_u schar_T;
#ifdef FEAT_SYN_HL
typedef unsigned short sattr_T;
# define MAX_TYPENR 65535
#else
typedef unsigned char sattr_T;
# define MAX_TYPENR 255
#endif

/*
 * The u8char_T can hold one decoded UTF-8 character.
 * We normally use 32 bits now, since some Asian characters don't fit in 16
 * bits.  u8char_T is only used for displaying, it could be 16 bits to save
 * memory.
 */
#ifdef FEAT_MBYTE
# ifdef UNICODE16
typedef unsigned short u8char_T;    /* short should be 16 bits */
# else
#  if SIZEOF_INT >= 4
typedef unsigned int u8char_T;      /* int is 32 bits */
#  else
typedef unsigned long u8char_T;     /* long should be 32 bits or more */
#  endif
# endif
#endif

#ifndef UNIX                /* For Unix this is included in os_unix.h */
# include <stdio.h>
# include <ctype.h>
#endif

#include "ascii.h"
#include "keymap.h"
#include "term.h"
#include "macros.h"

#ifdef LATTICE
# include <sys/types.h>
# include <sys/stat.h>
#endif
#ifdef _DCC
# include <sys/stat.h>
#endif
#if defined(MSDOS) || defined(MSWIN)
# include <sys/stat.h>
#endif

/*
 * Allow other (non-unix) systems to configure themselves now
 * These are also in os_unix.h, because osdef.sh needs them there.
 */
#ifndef UNIX
/* Note: Some systems need both string.h and strings.h (Savage).  If the
 * system can't handle this, define NO_STRINGS_WITH_STRING_H. */
# ifdef HAVE_STRING_H
#  include <string.h>
# endif
# if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
#   include <strings.h>
# endif
# ifdef HAVE_STAT_H
#  include <stat.h>
# endif
# ifdef HAVE_STDLIB_H
#  include <stdlib.h>
# endif
#endif /* NON-UNIX */

#include <assert.h>

#ifdef HAVE_WCTYPE_H
# include <wctype.h>
#endif
#if defined(HAVE_STDARG_H) && !defined(PLAN9)
# include <stdarg.h>
#endif

/* ================ end of the header file puzzle =============== */

/*
 * For dynamically loaded imm library. Currently, only for Win32.
 */
#ifdef DYNAMIC_IME
# ifndef FEAT_MBYTE_IME
#  define FEAT_MBYTE_IME
# endif
#endif

/*
 * Check input method control.
 */
#if defined(FEAT_XIM) || \
    (defined(FEAT_GUI) && (defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME)))
# define USE_IM_CONTROL
#endif

/*
 * For dynamically loaded gettext library.  Currently, only for Win32.
 */
#ifdef DYNAMIC_GETTEXT
# ifndef FEAT_GETTEXT
#  define FEAT_GETTEXT
# endif
/* These are in os_win32.c */
extern char *(*dyn_libintl_gettext)(const char *msgid);
extern char *(*dyn_libintl_bindtextdomain)(const char *domainname, const char *dirname);
extern char *(*dyn_libintl_bind_textdomain_codeset)(const char *domainname, const char *codeset);
extern char *(*dyn_libintl_textdomain)(const char *domainname);
#endif


/*
 * The _() stuff is for using gettext().  It is a no-op when libintl.h is not
 * found or the +multilang feature is disabled.
 */
#ifdef FEAT_GETTEXT
# ifdef DYNAMIC_GETTEXT
#  define _(x) (*dyn_libintl_gettext)((char *)(x))
#  define N_(x) x
#  define bindtextdomain(domain, dir) (*dyn_libintl_bindtextdomain)((domain), (dir))
#  define bind_textdomain_codeset(domain, codeset) (*dyn_libintl_bind_textdomain_codeset)((domain), (codeset))
#  if !defined(HAVE_BIND_TEXTDOMAIN_CODESET)
#   define HAVE_BIND_TEXTDOMAIN_CODESET 1
#  endif
#  define textdomain(domain) (*dyn_libintl_textdomain)(domain)
# else
#  include <libintl.h>
#  define _(x) gettext((char *)(x))
#  ifdef gettext_noop
#   define N_(x) gettext_noop(x)
#  else
#   define N_(x) x
#  endif
# endif
#else
# define _(x) ((char *)(x))
# define N_(x) x
# ifdef bindtextdomain
#  undef bindtextdomain
# endif
# define bindtextdomain(x, y) /* empty */
# ifdef bind_textdomain_codeset
#  undef bind_textdomain_codeset
# endif
# define bind_textdomain_codeset(x, y) /* empty */
# ifdef textdomain
#  undef textdomain
# endif
# define textdomain(x) /* empty */
#endif

/*
 * flags for update_screen()
 * The higher the value, the higher the priority
 */
#define VALID                   10  /* buffer not changed, or changes marked
                                       with b_mod_* */
#define INVERTED                20  /* redisplay inverted part that changed */
#define INVERTED_ALL            25  /* redisplay whole inverted part */
#define REDRAW_TOP              30  /* display first w_upd_rows screen lines */
#define SOME_VALID              35  /* like NOT_VALID but may scroll */
#define NOT_VALID               40  /* buffer needs complete redraw */
#define CLEAR                   50  /* screen messed up, clear it */

/*
 * Flags for w_valid.
 * These are set when something in a window structure becomes invalid, except
 * when the cursor is moved.  Call check_cursor_moved() before testing one of
 * the flags.
 * These are reset when that thing has been updated and is valid again.
 *
 * Every function that invalidates one of these must call one of the
 * invalidate_* functions.
 *
 * w_valid is supposed to be used only in screen.c.  From other files, use the
 * functions that set or reset the flags.
 *
 * VALID_BOTLINE    VALID_BOTLINE_AP
 *     on               on              w_botline valid
 *     off              on              w_botline approximated
 *     off              off             w_botline not valid
 *     on               off             not possible
 */
#define VALID_WROW      0x01    /* w_wrow (window row) is valid */
#define VALID_WCOL      0x02    /* w_wcol (window col) is valid */
#define VALID_VIRTCOL   0x04    /* w_virtcol (file col) is valid */
#define VALID_CHEIGHT   0x08    /* w_cline_height and w_cline_folded valid */
#define VALID_CROW      0x10    /* w_cline_row is valid */
#define VALID_BOTLINE   0x20    /* w_botine and w_empty_rows are valid */
#define VALID_BOTLINE_AP 0x40   /* w_botine is approximated */
#define VALID_TOPLINE   0x80    /* w_topline is valid (for cursor position) */

/*
 * Terminal highlighting attribute bits.
 * Attibutes above HL_ALL are used for syntax highlighting.
 */
#define HL_NORMAL               0x00
#define HL_INVERSE              0x01
#define HL_BOLD                 0x02
#define HL_ITALIC               0x04
#define HL_UNDERLINE            0x08
#define HL_UNDERCURL            0x10
#define HL_STANDOUT             0x20
#define HL_ALL                  0x3f

/* special attribute addition: Put message in history */
#define MSG_HIST                0x1000

/*
 * values for State
 *
 * The lower bits up to 0x20 are used to distinguish normal/visual/op_pending
 * and cmdline/insert+replace mode.  This is used for mapping.  If none of
 * these bits are set, no mapping is done.
 * The upper bits are used to distinguish between other states.
 */
#define NORMAL          0x01    /* Normal mode, command expected */
#define VISUAL          0x02    /* Visual mode - use get_real_state() */
#define OP_PENDING      0x04    /* Normal mode, operator is pending - use
                                   get_real_state() */
#define CMDLINE         0x08    /* Editing command line */
#define INSERT          0x10    /* Insert mode */
#define LANGMAP         0x20    /* Language mapping, can be combined with
                                   INSERT and CMDLINE */

#define REPLACE_FLAG    0x40    /* Replace mode flag */
#define REPLACE         (REPLACE_FLAG + INSERT)
#ifdef FEAT_VREPLACE
# define VREPLACE_FLAG  0x80    /* Virtual-replace mode flag */
# define VREPLACE       (REPLACE_FLAG + VREPLACE_FLAG + INSERT)
#endif
#define LREPLACE        (REPLACE_FLAG + LANGMAP)

#define NORMAL_BUSY     (0x100 + NORMAL) /* Normal mode, busy with a command */
#define HITRETURN       (0x200 + NORMAL) /* waiting for return or command */
#define ASKMORE         0x300   /* Asking if you want --more-- */
#define SETWSIZE        0x400   /* window size has changed */
#define ABBREV          0x500   /* abbreviation instead of mapping */
#define EXTERNCMD       0x600   /* executing an external command */
#define SHOWMATCH       (0x700 + INSERT) /* show matching paren */
#define CONFIRM         0x800   /* ":confirm" prompt */
#define SELECTMODE      0x1000  /* Select mode, only for mappings */

#define MAP_ALL_MODES   (0x3f | SELECTMODE)     /* all mode bits used for
                                                 * mapping */

/* directions */
#define FORWARD                 1
#define BACKWARD                (-1)
#define FORWARD_FILE            3
#define BACKWARD_FILE           (-3)

/* return values for functions */
#if !(defined(OK) && (OK == 1))
/* OK already defined to 1 in MacOS X curses, skip this */
# define OK                     1
#endif
#define FAIL                    0
#define NOTDONE                 2   /* not OK or FAIL but skipped */

/* flags for b_flags */
#define BF_RECOVERED    0x01    /* buffer has been recovered */
#define BF_CHECK_RO     0x02    /* need to check readonly when loading file
                                   into buffer (set by ":e", may be reset by
                                   ":buf" */
#define BF_NEVERLOADED  0x04    /* file has never been loaded into buffer,
                                   many variables still need to be set */
#define BF_NOTEDITED    0x08    /* Set when file name is changed after
                                   starting to edit, reset when file is
                                   written out. */
#define BF_NEW          0x10    /* file didn't exist when editing started */
#define BF_NEW_W        0x20    /* Warned for BF_NEW and file created */
#define BF_READERR      0x40    /* got errors while reading the file */
#define BF_DUMMY        0x80    /* dummy buffer, only used internally */
#define BF_PRESERVED    0x100   /* ":preserve" was used */

/* Mask to check for flags that prevent normal writing */
#define BF_WRITE_MASK   (BF_NOTEDITED + BF_NEW + BF_READERR)

/*
 * values for xp_context when doing command line completion
 */
#define EXPAND_UNSUCCESSFUL     (-2)
#define EXPAND_OK               (-1)
#define EXPAND_NOTHING          0
#define EXPAND_COMMANDS         1
#define EXPAND_FILES            2
#define EXPAND_DIRECTORIES      3
#define EXPAND_SETTINGS         4
#define EXPAND_BOOL_SETTINGS    5
#define EXPAND_TAGS             6
#define EXPAND_OLD_SETTING      7
#define EXPAND_HELP             8
#define EXPAND_BUFFERS          9
#define EXPAND_EVENTS           10
#define EXPAND_MENUS            11
#define EXPAND_SYNTAX           12
#define EXPAND_HIGHLIGHT        13
#define EXPAND_AUGROUP          14
#define EXPAND_USER_VARS        15
#define EXPAND_MAPPINGS         16
#define EXPAND_TAGS_LISTFILES   17
#define EXPAND_FUNCTIONS        18
#define EXPAND_USER_FUNC        19
#define EXPAND_EXPRESSION       20
#define EXPAND_MENUNAMES        21
#define EXPAND_USER_COMMANDS    22
#define EXPAND_USER_CMD_FLAGS   23
#define EXPAND_USER_NARGS       24
#define EXPAND_USER_COMPLETE    25
#define EXPAND_ENV_VARS         26
#define EXPAND_LANGUAGE         27
#define EXPAND_COLORS           28
#define EXPAND_COMPILER         29
#define EXPAND_USER_DEFINED     30
#define EXPAND_USER_LIST        31
#define EXPAND_SHELLCMD         32

/* Values for exmode_active (0 is no exmode) */
#define EXMODE_NORMAL           1
#define EXMODE_VIM              2

/* Values for nextwild() and ExpandOne().  See ExpandOne() for meaning. */
#define WILD_FREE               1
#define WILD_EXPAND_FREE        2
#define WILD_EXPAND_KEEP        3
#define WILD_NEXT               4
#define WILD_PREV               5
#define WILD_ALL                6
#define WILD_LONGEST            7

#define WILD_LIST_NOTFOUND      1
#define WILD_HOME_REPLACE       2
#define WILD_USE_NL             4
#define WILD_NO_BEEP            8
#define WILD_ADD_SLASH          16
#define WILD_KEEP_ALL           32
#define WILD_SILENT             64
#define WILD_ESCAPE             128

/* Flags for expand_wildcards() */
#define EW_DIR          0x01    /* include directory names */
#define EW_FILE         0x02    /* include file names */
#define EW_NOTFOUND     0x04    /* include not found names */
#define EW_ADDSLASH     0x08    /* append slash to directory name */
#define EW_KEEPALL      0x10    /* keep all matches */
#define EW_SILENT       0x20    /* don't print "1 returned" from shell */
#define EW_EXEC         0x40    /* executable files */
/* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
 * is used when executing commands and EW_SILENT for interactive expanding. */

#ifdef FEAT_VERTSPLIT
# define W_WINCOL(wp)   (wp->w_wincol)
# define W_WIDTH(wp)    (wp->w_width)
# define W_ENDCOL(wp)   (wp->w_wincol + wp->w_width)
# define W_VSEP_WIDTH(wp) (wp->w_vsep_width)
#else
# define W_WINCOL(wp)   0
# define W_WIDTH(wp)    Columns
# define W_ENDCOL(wp)   Columns
# define W_VSEP_WIDTH(wp) 0
#endif
#ifdef FEAT_WINDOWS
# define W_STATUS_HEIGHT(wp) (wp->w_status_height)
# define W_WINROW(wp)   (wp->w_winrow)
#else
# define W_STATUS_HEIGHT(wp) 0
# define W_WINROW(wp)   0
#endif

#ifdef NO_EXPANDPATH
# define gen_expand_wildcards mch_expand_wildcards
#endif

/* Values for the find_pattern_in_path() function args 'type' and 'action': */
#define FIND_ANY        1
#define FIND_DEFINE     2
#define CHECK_PATH      3

#define ACTION_SHOW     1
#define ACTION_GOTO     2
#define ACTION_SPLIT    3
#define ACTION_SHOW_ALL 4
#ifdef FEAT_INS_EXPAND
# define ACTION_EXPAND  5
#endif

#ifdef FEAT_SYN_HL
# define SST_MIN_ENTRIES 150    /* minimal size for state stack array */
# ifdef FEAT_GUI_W16
#  define SST_MAX_ENTRIES 500   /* (only up to 64K blocks) */
# else
#  define SST_MAX_ENTRIES 1000  /* maximal size for state stack array */
# endif
# define SST_FIX_STATES  7      /* size of sst_stack[]. */
# define SST_DIST        16     /* normal distance between entries */
#endif

/* Values for 'options' argument in do_search() and searchit() */
#define SEARCH_REV    0x01  /* go in reverse of previous dir. */
#define SEARCH_ECHO   0x02  /* echo the search command and handle options */
#define SEARCH_MSG    0x0c  /* give messages (yes, it's not 0x04) */
#define SEARCH_NFMSG  0x08  /* give all messages except not found */
#define SEARCH_OPT    0x10  /* interpret optional flags */
#define SEARCH_HIS    0x20  /* put search pattern in history */
#define SEARCH_END    0x40  /* put cursor at end of match */
#define SEARCH_NOOF   0x80  /* don't add offset to position */
#define SEARCH_START 0x100  /* start search without col offset */
#define SEARCH_MARK  0x200  /* set previous context mark */
#define SEARCH_KEEP  0x400  /* keep previous search pattern */
#define SEARCH_PEEK  0x800  /* peek for typed char, cancel search */

/* Values for find_ident_under_cursor() */
#define FIND_IDENT      1       /* find identifier (word) */
#define FIND_STRING     2       /* find any string (WORD) */
#define FIND_EVAL       4       /* include "->", "[]" and "." */

/* Values for file_name_in_line() */
#define FNAME_MESS      1       /* give error message */
#define FNAME_EXP       2       /* expand to path */
#define FNAME_HYP       4       /* check for hypertext link */
#define FNAME_INCL      8       /* apply 'includeexpr' */
#define FNAME_REL       16      /* ".." and "./" are relative to the (current)
                                   file instead of the current directory */

/* Values for buflist_getfile() */
#define GETF_SETMARK    0x01    /* set pcmark before jumping */
#define GETF_ALT        0x02    /* jumping to alternate file (not buf num) */
#define GETF_SWITCH     0x04    /* respect 'switchbuf' settings when jumping */

/* Values for buflist_new() flags */
#define BLN_CURBUF      1       /* May re-use curbuf for new buffer */
#define BLN_LISTED      2       /* Put new buffer in buffer list */
#define BLN_DUMMY       4       /* Allocating dummy buffer */

/* Values for in_cinkeys() */
#define KEY_OPEN_FORW   0x101
#define KEY_OPEN_BACK   0x102
#define KEY_COMPLETE    0x103   /* end of completion */

/* Values for "noremap" argument of ins_typebuf().  Also used for
 * map->m_noremap and menu->noremap[]. */
#define REMAP_YES       0        /* allow remapping */
#define REMAP_NONE      -1      /* no remapping */
#define REMAP_SCRIPT    -2      /* remap script-local mappings only */
#define REMAP_SKIP      -3      /* no remapping for first char */

/* Values for mch_call_shell() second argument */
#define SHELL_FILTER    1       /* filtering text */
#define SHELL_EXPAND    2       /* expanding wildcards */
#define SHELL_COOKED    4       /* set term to cooked mode */
#define SHELL_DOOUT     8       /* redirecting output */
#define SHELL_SILENT    16      /* don't print error returned by command */
#define SHELL_READ      32      /* read lines and insert into buffer */
#define SHELL_WRITE     64      /* write lines from buffer */

/* Values returned by mch_nodetype() */
#define NODE_NORMAL     0        /* file or directory, check with mch_isdir()*/
#define NODE_WRITABLE   1       /* something we can write to (character
                                   device, fifo, socket, ..) */
#define NODE_OTHER      2       /* non-writable thing (e.g., block device) */

/* Values for readfile() flags */
#define READ_NEW        0x01    /* read a file into a new buffer */
#define READ_FILTER     0x02    /* read filter output */
#define READ_STDIN      0x04    /* read from stdin */
#define READ_BUFFER     0x08    /* read from curbuf (converting stdin) */
#define READ_DUMMY      0x10    /* reading into a dummy buffer */

/* Values for change_indent() */
#define INDENT_SET      1       /* set indent */
#define INDENT_INC      2       /* increase indent */
#define INDENT_DEC      3       /* decrease indent */

/* Values for flags argument for findmatchlimit() */
#define FM_BACKWARD     0x01    /* search backwards */
#define FM_FORWARD      0x02    /* search forwards */
#define FM_BLOCKSTOP    0x04    /* stop at start/end of block */
#define FM_SKIPCOMM     0x08    /* skip comments */

/* Values for action argument for do_buffer() */
#define DOBUF_GOTO      0        /* go to specified buffer */
#define DOBUF_SPLIT     1       /* split window and go to specified buffer */
#define DOBUF_UNLOAD    2       /* unload specified buffer(s) */
#define DOBUF_DEL       3       /* delete specified buffer(s) from buflist */
#define DOBUF_WIPE      4       /* delete specified buffer(s) really */

/* Values for start argument for do_buffer() */
#define DOBUF_CURRENT   0        /* "count" buffer from current buffer */
#define DOBUF_FIRST     1       /* "count" buffer from first buffer */
#define DOBUF_LAST      2       /* "count" buffer from last buffer */
#define DOBUF_MOD       3       /* "count" mod. buffer from current buffer */

/* Values for sub_cmd and which_pat argument for search_regcomp() */
/* Also used for which_pat argument for searchit() */
#define RE_SEARCH       0        /* save/use pat in/from search_pattern */
#define RE_SUBST        1       /* save/use pat in/from subst_pattern */
#define RE_BOTH         2       /* save pat in both patterns */
#define RE_LAST         2       /* use last used pattern if "pat" is NULL */

/* Second argument for vim_regcomp(). */
#define RE_MAGIC        1       /* 'magic' option */
#define RE_STRING       2       /* match in string instead of buffer text */
#define RE_STRICT       4       /* don't allow [abc] without ] */

#ifdef FEAT_SYN_HL
/* values for reg_do_extmatch */
# define REX_SET        1       /* to allow \z\(...\), */
# define REX_USE        2       /* to allow \z\1 et al. */
#endif

/* Return values for fullpathcmp() */
/* Note: can use (fullpathcmp() & FPC_SAME) to check for equal files */
#define FPC_SAME        1       /* both exist and are the same file. */
#define FPC_DIFF        2       /* both exist and are different files. */
#define FPC_NOTX        4       /* both don't exist. */
#define FPC_DIFFX       6       /* one of them doesn't exist. */
#define FPC_SAMEX       7       /* both don't exist and file names are same. */

/* flags for do_ecmd() */
#define ECMD_HIDE       0x01    /* don't free the current buffer */
#define ECMD_SET_HELP   0x02    /* set b_help flag of (new) buffer before
                                   opening file */
#define ECMD_OLDBUF     0x04    /* use existing buffer if it exists */
#define ECMD_FORCEIT    0x08    /* ! used in Ex command */
#define ECMD_ADDBUF     0x10    /* don't edit, just add to buffer list */

/* for lnum argument in do_ecmd() */
#define ECMD_LASTL      (linenr_T)0     /* use last position in loaded file */
#define ECMD_LAST       (linenr_T)-1    /* use last position in all files */
#define ECMD_ONE        (linenr_T)1     /* use first line */

/* flags for do_cmdline() */
#define DOCMD_VERBOSE   0x01    /* included command in error message */
#define DOCMD_NOWAIT    0x02    /* don't call wait_return() and friends */
#define DOCMD_REPEAT    0x04    /* repeat exec. until getline() returns NULL */
#define DOCMD_KEYTYPED  0x08    /* don't reset KeyTyped */
#define DOCMD_EXCRESET  0x10    /* reset exception environment (for debugging)*/
#define DOCMD_KEEPLINE  0x20    /* keep typed line for repeating with "." */

/* flags for beginline() */
#define BL_WHITE        1       /* cursor on first non-white in the line */
#define BL_SOL          2       /* use 'sol' option */
#define BL_FIX          4       /* don't leave cursor on a NUL */

/* flags for mf_sync() */
#define MFS_ALL         1       /* also sync blocks with negative numbers */
#define MFS_STOP        2       /* stop syncing when a character is available */
#define MFS_FLUSH       4       /* flushed file to disk */
#define MFS_ZERO        8       /* only write block 0 */

/* flags for buf_copy_options() */
#define BCO_ENTER       1       /* going to enter the buffer */
#define BCO_ALWAYS      2       /* always copy the options */
#define BCO_NOHELP      4       /* don't touch the help related options */

/* flags for do_put() */
#define PUT_FIXINDENT   1       /* make indent look nice */
#define PUT_CURSEND     2       /* leave cursor after end of new text */
#define PUT_CURSLINE    4       /* leave cursor on last line of new text */
#define PUT_LINE        8       /* put register as lines */
#define PUT_LINE_SPLIT  16      /* split line for linewise register */
#define PUT_LINE_FORWARD 32     /* put linewise register below Visual sel. */

/* flags for set_indent() */
#define SIN_CHANGED     1       /* call changed_bytes() when line changed */
#define SIN_INSERT      2       /* insert indent before existing text */
#define SIN_UNDO        4       /* save line for undo before changing it */

/* flags for insertchar() */
#define INSCHAR_FORMAT  1       /* force formatting */
#define INSCHAR_DO_COM  2       /* format comments */
#define INSCHAR_CTRLV   4       /* char typed just after CTRL-V */

/* flags for open_line() */
#define OPENLINE_DELSPACES  1   /* delete spaces after cursor */
#define OPENLINE_DO_COM     2   /* format comments */
#define OPENLINE_KEEPTRAIL  4   /* keep trailing spaces */
#define OPENLINE_MARKFIX    8   /* fix mark positions */

/*
 * There are four history tables:
 */
#define HIST_CMD        0        /* colon commands */
#define HIST_SEARCH     1       /* search commands */
#define HIST_EXPR       2       /* expressions (from entering = register) */
#define HIST_INPUT      3       /* input() lines */
#define HIST_DEBUG      4       /* debug commands */
#define HIST_COUNT      5       /* number of history tables */

/*
 * Flags for chartab[].
 */
#define CT_CELL_MASK    0x07    /* mask: nr of display cells (1, 2 or 4) */
#define CT_PRINT_CHAR   0x10    /* flag: set for printable chars */
#define CT_ID_CHAR      0x20    /* flag: set for ID chars */
#define CT_FNAME_CHAR   0x40    /* flag: set for file name chars */

/*
 * Values for do_tag().
 */
#define DT_TAG          1       /* jump to newer position or same tag again */
#define DT_POP          2       /* jump to older position */
#define DT_NEXT         3       /* jump to next match of same tag */
#define DT_PREV         4       /* jump to previous match of same tag */
#define DT_FIRST        5       /* jump to first match of same tag */
#define DT_LAST         6       /* jump to first match of same tag */
#define DT_SELECT       7       /* jump to selection from list */
#define DT_HELP         8       /* like DT_TAG, but no wildcards */
#define DT_JUMP         9       /* jump to new tag or selection from list */
#define DT_CSCOPE       10      /* cscope find command (like tjump) */
#define DT_LTAG         11      /* tag using location list */
#define DT_FREE         99      /* free cached matches */

/*
 * flags for find_tags().
 */
#define TAG_HELP        1       /* only search for help tags */
#define TAG_NAMES       2       /* only return name of tag */
#define TAG_REGEXP      4       /* use tag pattern as regexp */
#define TAG_NOIC        8       /* don't always ignore case */
#ifdef FEAT_CSCOPE
# define TAG_CSCOPE     16      /* cscope tag */
#endif
#define TAG_VERBOSE     32      /* message verbosity */
#define TAG_INS_COMP    64      /* Currently doing insert completion */
#define TAG_KEEP_LANG   128     /* keep current language */

#define TAG_MANY        200     /* When finding many tags (for completion),
                                   find up to this many tags */

/*
 * Types of dialogs passed to do_vim_dialog().
 */
#define VIM_GENERIC     0
#define VIM_ERROR       1
#define VIM_WARNING     2
#define VIM_INFO        3
#define VIM_QUESTION    4
#define VIM_LAST_TYPE   4       /* sentinel value */

/*
 * Return values for functions like gui_yesnocancel()
 */
#define VIM_YES         2
#define VIM_NO          3
#define VIM_CANCEL      4
#define VIM_ALL         5
#define VIM_DISCARDALL  6

/*
 * arguments for win_split()
 */
#define WSP_ROOM        1       /* require enough room */
#define WSP_VERT        2       /* split vertically */
#define WSP_TOP         4       /* window at top-left of shell */
#define WSP_BOT         8       /* window at bottom-right of shell */
#define WSP_HELP        16      /* creating the help window */
#define WSP_BELOW       32      /* put new window below/right */
#define WSP_ABOVE       64      /* put new window above/left */

/*
 * arguments for gui_set_shellsize()
 */
#define RESIZE_VERT     1       /* resize vertically */
#define RESIZE_HOR      2       /* resize horizontally */
#define RESIZE_BOTH     15      /* resize in both directions */

/*
 * "flags" values for option-setting functions.
 * When OPT_GLOBAL and OPT_LOCAL are both missing, set both local and global
 * values, get local value.
 */
#define OPT_FREE        1       /* free old value if it was allocated */
#define OPT_GLOBAL      2       /* use global value */
#define OPT_LOCAL       4       /* use local value */
#define OPT_MODELINE    8       /* option in modeline */
#define OPT_WINONLY     16      /* only set window-local options */
#define OPT_NOWIN       32      /* don't set window-local options */

/* Magic chars used in confirm dialog strings */
#define DLG_BUTTON_SEP  '\n'
#define DLG_HOTKEY_CHAR '&'

/* Values for "starting" */
#define NO_SCREEN       2       /* no screen updating yet */
#define NO_BUFFERS      1       /* not all buffers loaded yet */
/*                      0           not starting anymore */

/* Values for swap_exists_action: what to do when swap file already exists */
#define SEA_NONE        0        /* don't use dialog */
#define SEA_DIALOG      1       /* use dialog when possible */
#define SEA_QUIT        2       /* quit editing the file */
#define SEA_RECOVER     3       /* recover the file */

/*
 * Minimal size for block 0 of a swap file.
 * NOTE: This depends on size of struct block0! It's not done with a sizeof(),
 * because struct block0 is defined in memline.c (Sorry).
 * The maximal block size is arbitrary.
 */
#define MIN_SWAP_PAGE_SIZE 1048
#define MAX_SWAP_PAGE_SIZE 50000

/* Special values for current_SID. */
#define SID_MODELINE    -1      /* when using a modeline */
#define SID_CMDARG      -2      /* for "--cmd" argument */
#define SID_CARG        -3      /* for "-c" argument */
#define SID_ENV         -4      /* for sourcing environment variable */
#define SID_ERROR       -5      /* option was reset because of an error */
#define SID_NONE        -6      /* don't set scriptID */

/*
 * Events for autocommands.
 */
enum auto_event
{
    EVENT_BUFADD = 0,           /* after adding a buffer to the buffer list */
    EVENT_BUFNEW,               /* after creating any buffer */
    EVENT_BUFDELETE,            /* deleting a buffer from the buffer list */
    EVENT_BUFWIPEOUT,           /* just before really deleting a buffer */
    EVENT_BUFENTER,             /* after entering a buffer */
    EVENT_BUFFILEPOST,          /* after renaming a buffer */
    EVENT_BUFFILEPRE,           /* before renaming a buffer */
    EVENT_BUFLEAVE,             /* before leaving a buffer */
    EVENT_BUFNEWFILE,           /* when creating a buffer for a new file */
    EVENT_BUFREADPOST,          /* after reading a buffer */
    EVENT_BUFREADPRE,           /* before reading a buffer */
    EVENT_BUFREADCMD,           /* read buffer using command */
    EVENT_BUFUNLOAD,            /* just before unloading a buffer */
    EVENT_BUFHIDDEN,            /* just after buffer becomes hidden */
    EVENT_BUFWINENTER,          /* after showing a buffer in a window */
    EVENT_BUFWINLEAVE,          /* just after buffer removed from window */
    EVENT_BUFWRITEPOST,         /* after writing a buffer */
    EVENT_BUFWRITEPRE,          /* before writing a buffer */
    EVENT_BUFWRITECMD,          /* write buffer using command */
    EVENT_CMDWINENTER,          /* after entering the cmdline window */
    EVENT_CMDWINLEAVE,          /* before leaving the cmdline window */
    EVENT_COLORSCHEME,          /* after loading a colorscheme */
    EVENT_FILEAPPENDPOST,       /* after appending to a file */
    EVENT_FILEAPPENDPRE,        /* before appending to a file */
    EVENT_FILEAPPENDCMD,        /* append to a file using command */
    EVENT_FILECHANGEDSHELL,     /* after shell command that changed file */
    EVENT_FILECHANGEDSHELLPOST, /* after (not) reloading changed file */
    EVENT_FILECHANGEDRO,        /* before first change to read-only file */
    EVENT_FILEREADPOST,         /* after reading a file */
    EVENT_FILEREADPRE,          /* before reading a file */
    EVENT_FILEREADCMD,          /* read from a file using command */
    EVENT_FILETYPE,             /* new file type detected (user defined) */
    EVENT_FILEWRITEPOST,        /* after writing a file */
    EVENT_FILEWRITEPRE,         /* before writing a file */
    EVENT_FILEWRITECMD,         /* write to a file using command */
    EVENT_FILTERREADPOST,       /* after reading from a filter */
    EVENT_FILTERREADPRE,        /* before reading from a filter */
    EVENT_FILTERWRITEPOST,      /* after writing to a filter */
    EVENT_FILTERWRITEPRE,       /* before writing to a filter */
    EVENT_FOCUSGAINED,          /* got the focus */
    EVENT_FOCUSLOST,            /* lost the focus to another app */
    EVENT_GUIENTER,             /* after starting the GUI */
    EVENT_GUIFAILED,            /* after starting the GUI failed */
    EVENT_INSERTCHANGE,         /* when changing Insert/Replace mode */
    EVENT_INSERTENTER,          /* when entering Insert mode */
    EVENT_INSERTLEAVE,          /* when leaving Insert mode */
    EVENT_MENUPOPUP,            /* just before popup menu is displayed */
    EVENT_QUICKFIXCMDPOST,      /* after :make, :grep etc */
    EVENT_QUICKFIXCMDPRE,       /* before :make, :grep etc */
    EVENT_SESSIONLOADPOST,      /* after loading a session file */
    EVENT_STDINREADPOST,        /* after reading from stdin */
    EVENT_STDINREADPRE,         /* before reading from stdin */
    EVENT_SYNTAX,               /* syntax selected */
    EVENT_TERMCHANGED,          /* after changing 'term' */
    EVENT_TERMRESPONSE,         /* after setting "v:termresponse" */
    EVENT_USER,                 /* user defined autocommand */
    EVENT_VIMENTER,             /* after starting Vim */
    EVENT_VIMLEAVE,             /* before exiting Vim */
    EVENT_VIMLEAVEPRE,          /* before exiting Vim and writing .viminfo */
    EVENT_VIMRESIZED,           /* after Vim window was resized */
    EVENT_WINENTER,             /* after entering a window */
    EVENT_WINLEAVE,             /* before leaving a window */
    EVENT_ENCODINGCHANGED,      /* after changing the 'encoding' option */
    EVENT_CURSORHOLD,           /* cursor in same position for a while */
    EVENT_CURSORHOLDI,          /* idem, in Insert mode */
    EVENT_FUNCUNDEFINED,        /* if calling a function which doesn't exist */
    EVENT_REMOTEREPLY,          /* upon string reception from a remote vim */
    EVENT_SWAPEXISTS,           /* found existing swap file */
    EVENT_SOURCEPRE,            /* before sourcing a Vim script */
    EVENT_SOURCECMD,            /* sourcing a Vim script using command */
    EVENT_SPELLFILEMISSING,     /* spell file missing */
    EVENT_CURSORMOVED,          /* cursor was moved */
    EVENT_CURSORMOVEDI,         /* cursor was moved in Insert mode */
    EVENT_TABLEAVE,             /* before leaving a tab page */
    EVENT_TABENTER,             /* after entering a tab page */
    EVENT_SHELLCMDPOST,         /* after ":!cmd" */
    EVENT_SHELLFILTERPOST,      /* after ":1,2!cmd", ":w !cmd", ":r !cmd". */
    NUM_EVENTS                  /* MUST be the last one */
};

typedef enum auto_event event_T;

/*
 * Values for index in highlight_attr[].
 * When making changes, also update HL_FLAGS below!  And update the default
 * value of 'highlight' in option.c.
 */
typedef enum
{
    HLF_8 = 0       /* Meta & special keys listed with ":map", text that is
                       displayed different from what it is */
    , HLF_AT        /* @ and ~ characters at end of screen, characters that
                       don't really exist in the text */
    , HLF_D         /* directories in CTRL-D listing */
    , HLF_E         /* error messages */
    , HLF_H         /* obsolete, ignored */
    , HLF_I         /* incremental search */
    , HLF_L         /* last search string */
    , HLF_M         /* "--More--" message */
    , HLF_CM        /* Mode (e.g., "-- INSERT --") */
    , HLF_N         /* line number for ":number" and ":#" commands */
    , HLF_R         /* return to continue message and yes/no questions */
    , HLF_S         /* status lines */
    , HLF_SNC       /* status lines of not-current windows */
    , HLF_C         /* column to separate vertically split windows */
    , HLF_T         /* Titles for output from ":set all", ":autocmd" etc. */
    , HLF_V         /* Visual mode */
    , HLF_VNC       /* Visual mode, autoselecting and not clipboard owner */
    , HLF_W         /* warning messages */
    , HLF_WM        /* Wildmenu highlight */
    , HLF_FL        /* Folded line */
    , HLF_FC        /* Fold column */
    , HLF_ADD       /* Added diff line */
    , HLF_CHD       /* Changed diff line */
    , HLF_DED       /* Deleted diff line */
    , HLF_TXD       /* Text Changed in diff line */
    , HLF_SC        /* Sign column */
    , HLF_SPB       /* SpellBad */
    , HLF_SPC       /* SpellCap */
    , HLF_SPR       /* SpellRare */
    , HLF_SPL       /* SpellLocal */
    , HLF_PNI       /* popup menu normal item */
    , HLF_PSI       /* popup menu selected item */
    , HLF_PSB       /* popup menu scrollbar */
    , HLF_PST       /* popup menu scrollbar thumb */
    , HLF_TP        /* tabpage line */
    , HLF_TPS       /* tabpage line selected */
    , HLF_TPF       /* tabpage line filler */
    , HLF_CUC       /* 'cursurcolumn' */
    , HLF_CUL       /* 'cursurline' */
    , HLF_COUNT     /* MUST be the last one */
} hlf_T;

/* The HL_FLAGS must be in the same order as the HLF_ enums!
 * When chainging this also adjust the default for 'highlight'. */
#define HL_FLAGS {'8', '@', 'd', 'e', 'h', 'i', 'l', 'm', 'M', \
                  'n', 'r', 's', 'S', 'c', 't', 'v', 'V', 'w', 'W', \
                  'f', 'F', 'A', 'C', 'D', 'T', '>', \
                  'B', 'P', 'R', 'L', \
                  '+', '=', 'x', 'X', '*', '#', '_', '!', '.'}

/*
 * Boolean constants
 */
#ifndef TRUE
# define FALSE  0            /* note: this is an int, not a long! */
# define TRUE   1
#endif

#define MAYBE   2           /* sometimes used for a variant on TRUE */

/*
 * Operator IDs; The order must correspond to opchars[] in ops.c!
 */
#define OP_NOP          0        /* no pending operation */
#define OP_DELETE       1       /* "d"  delete operator */
#define OP_YANK         2       /* "y"  yank operator */
#define OP_CHANGE       3       /* "c"  change operator */
#define OP_LSHIFT       4       /* "<"  left shift operator */
#define OP_RSHIFT       5       /* ">"  right shift operator */
#define OP_FILTER       6       /* "!"  filter operator */
#define OP_TILDE        7       /* "g~" switch case operator */
#define OP_INDENT       8       /* "="  indent operator */
#define OP_FORMAT       9       /* "gq" format operator */
#define OP_COLON        10      /* ":"  colon operator */
#define OP_UPPER        11      /* "gU" make upper case operator */
#define OP_LOWER        12      /* "gu" make lower case operator */
#define OP_JOIN         13      /* "J"  join operator, only for Visual mode */
#define OP_JOIN_NS      14      /* "gJ"  join operator, only for Visual mode */
#define OP_ROT13        15      /* "g?" rot-13 encoding */
#define OP_REPLACE      16      /* "r"  replace chars, only for Visual mode */
#define OP_INSERT       17      /* "I"  Insert column, only for Visual mode */
#define OP_APPEND       18      /* "A"  Append column, only for Visual mode */
#define OP_FOLD         19      /* "zf" define a fold */
#define OP_FOLDOPEN     20      /* "zo" open folds */
#define OP_FOLDOPENREC  21      /* "zO" open folds recursively */
#define OP_FOLDCLOSE    22      /* "zc" close folds */
#define OP_FOLDCLOSEREC 23      /* "zC" close folds recursively */
#define OP_FOLDDEL      24      /* "zd" delete folds */
#define OP_FOLDDELREC   25      /* "zD" delete folds recursively */
#define OP_FORMAT2      26      /* "gw" format operator, keeps cursor pos */
#define OP_FUNCTION     27      /* "g@" call 'operatorfunc' */

/*
 * Motion types, used for operators and for yank/delete registers.
 */
#define MCHAR   0                /* character-wise movement/register */
#define MLINE   1               /* line-wise movement/register */
#define MBLOCK  2               /* block-wise register */

#define MAUTO   0xff            /* Decide between MLINE/MCHAR */

/*
 * Minimum screen size
 */
#define MIN_COLUMNS     12      /* minimal columns for screen */
#define MIN_LINES       2       /* minimal lines for screen */
#define STATUS_HEIGHT   1       /* height of a status line under a window */
#define QF_WINHEIGHT    10      /* default height for quickfix window */

/*
 * Buffer sizes
 */
#ifndef CMDBUFFSIZE
# define CMDBUFFSIZE    256     /* size of the command processing buffer */
#endif

#define LSIZE       512         /* max. size of a line in the tags file */

#define IOSIZE     (1024+1)     /* file i/o and sprintf buffer size */

#ifdef FEAT_MBYTE
# define MSG_BUF_LEN 480        /* length of buffer for small messages */
# define MSG_BUF_CLEN  (MSG_BUF_LEN / 6)    /* cell length (worst case: utf-8
                                               takes 6 bytes for one cell) */
#else
# define MSG_BUF_LEN 80         /* length of buffer for small messages */
# define MSG_BUF_CLEN  MSG_BUF_LEN          /* cell length */
#endif

#if defined(AMIGA) || defined(__linux__) || defined(__QNX__) || defined(__CYGWIN32__) || defined(_AIX)
# define TBUFSZ 2048            /* buffer size for termcap entry */
#else
# define TBUFSZ 1024            /* buffer size for termcap entry */
#endif

/*
 * Maximum length of key sequence to be mapped.
 * Must be able to hold an Amiga resize report.
 */
#define MAXMAPLEN   50

#ifdef BINARY_FILE_IO
# define WRITEBIN   "wb"        /* no CR-LF translation */
# define READBIN    "rb"
# define APPENDBIN  "ab"
#else
# define WRITEBIN   "w"
# define READBIN    "r"
# define APPENDBIN  "a"
#endif

/*
 * EMX doesn't have a global way of making open() use binary I/O.
 * Use O_BINARY for all open() calls.
 */
#if defined(__EMX__) || defined(__CYGWIN32__)
# define O_EXTRA    O_BINARY
#else
# define O_EXTRA    0
#endif

#ifndef O_NOFOLLOW
# define O_NOFOLLOW 0
#endif

#ifndef W_OK
# define W_OK 2         /* for systems that don't have W_OK in unistd.h */
#endif
#ifndef R_OK
# define R_OK 4         /* for systems that don't have R_OK in unistd.h */
#endif

/*
 * defines to avoid typecasts from (char_u *) to (char *) and back
 * (vim_strchr() and vim_strrchr() are now in alloc.c)
 */
#define STRLEN(s)           strlen((char *)(s))
#define STRCPY(d, s)        strcpy((char *)(d), (char *)(s))
#define STRNCPY(d, s, n)    strncpy((char *)(d), (char *)(s), (size_t)(n))
#define STRCMP(d, s)        strcmp((char *)(d), (char *)(s))
#define STRNCMP(d, s, n)    strncmp((char *)(d), (char *)(s), (size_t)(n))
#ifdef HAVE_STRCASECMP
# define STRICMP(d, s)      strcasecmp((char *)(d), (char *)(s))
#else
# ifdef HAVE_STRICMP
#  define STRICMP(d, s)     stricmp((char *)(d), (char *)(s))
# else
#  define STRICMP(d, s)     vim_stricmp((char *)(d), (char *)(s))
# endif
#endif

#ifdef HAVE_STRNCASECMP
# define STRNICMP(d, s, n)  strncasecmp((char *)(d), (char *)(s), (size_t)(n))
#else
# ifdef HAVE_STRNICMP
#  define STRNICMP(d, s, n) strnicmp((char *)(d), (char *)(s), (size_t)(n))
# else
#  define STRNICMP(d, s, n) vim_strnicmp((char *)(d), (char *)(s), (size_t)(n))
# endif
#endif

#ifdef FEAT_MBYTE
# define MB_STRICMP(d, s)       (has_mbyte ? mb_strnicmp((char_u *)(d), (char_u *)(s), (int)MAXCOL) : STRICMP((d), (s)))
# define MB_STRNICMP(d, s, n)   (has_mbyte ? mb_strnicmp((char_u *)(d), (char_u *)(s), (int)(n)) : STRNICMP((d), (s), (n)))
#else
# define MB_STRICMP(d, s)       STRICMP((d), (s))
# define MB_STRNICMP(d, s, n)   STRNICMP((d), (s), (n))
#endif

#define STRCAT(d, s)        strcat((char *)(d), (char *)(s))
#define STRNCAT(d, s, n)    strncat((char *)(d), (char *)(s), (size_t)(n))

#ifdef HAVE_STRPBRK
# define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
#endif

#define MSG(s)                      msg((char_u *)(s))
#define MSG_ATTR(s, attr)           msg_attr((char_u *)(s), (attr))
#define EMSG(s)                     emsg((char_u *)(s))
#define EMSG2(s, p)                 emsg2((char_u *)(s), (char_u *)(p))
#define EMSG3(s, p, q)              emsg3((char_u *)(s), (char_u *)(p), (char_u *)(q))
#define EMSGN(s, n)                 emsgn((char_u *)(s), (long)(n))
#define EMSGU(s, n)                 emsgu((char_u *)(s), (long_u)(n))
#define OUT_STR(s)                  out_str((char_u *)(s))
#define OUT_STR_NF(s)               out_str_nf((char_u *)(s))
#define MSG_PUTS(s)                 msg_puts((char_u *)(s))
#define MSG_PUTS_ATTR(s, a)         msg_puts_attr((char_u *)(s), (a))
#define MSG_PUTS_TITLE(s)           msg_puts_title((char_u *)(s))
#define MSG_PUTS_LONG(s)            msg_puts_long_attr((char_u *)(s), 0)
#define MSG_PUTS_LONG_ATTR(s, a)    msg_puts_long_attr((char_u *)(s), (a))

/* Prefer using emsg3(), because perror() may send the output to the wrong
 * destination and mess up the screen. */
#ifdef HAVE_STRERROR
# define PERROR(msg)                (void)emsg3((char_u *)"%s: %s", (char_u *)msg, (char_u *)strerror(errno))
#else
# define PERROR(msg)                perror(msg)
#endif

typedef long        linenr_T;           /* line number type */
typedef unsigned    colnr_T;            /* column number type */
typedef unsigned short disptick_T;      /* display tick type */

#define MAXLNUM (0x7fffffffL)           /* maximum (invalid) line number */

/*
 * Well, you won't believe it, but some S/390 machines ("host", now also known
 * as zServer) us 31 bit pointers. There are also some newer machines, that
 * use 64 bit pointers. I don't know how to distinguish between 31 and 64 bit
 * machines, so the best way is to assume 31 bits whenever we detect OS/390
 * Unix.
 * With this we restrict the maximum line length to 1073741823. I guess this is
 * not a real problem. BTW:  Longer lines are split.
 */
#if SIZEOF_INT >= 4
# ifdef __MVS__
#  define MAXCOL (0x3fffffffL)          /* maximum column number, 30 bits */
# else
#  define MAXCOL (0x7fffffffL)          /* maximum column number, 31 bits */
# endif
#else
# define MAXCOL (0x7fff)                /* maximum column number, 15 bits */
#endif

#define SHOWCMD_COLS 10                 /* columns needed by shown command */
#define STL_MAX_ITEM 80                 /* max nr of %<flag> in statusline */

typedef void        *vim_acl_T;         /* dummy to pass an ACL to a function */

/*
 * Include a prototype for mch_memmove(), it may not be in alloc.pro.
 */
#ifdef VIM_MEMMOVE
void mch_memmove __ARGS((void *, void *, size_t));
#else
# ifndef mch_memmove
#  define mch_memmove(to, from, len) memmove(to, from, len)
# endif
#endif

/*
 * fnamecmp() is used to compare file names.
 * On some systems case in a file name does not matter, on others it does.
 * (this does not account for maximum name lengths and things like "../dir",
 * thus it is not 100% accurate!)
 */
#ifdef CASE_INSENSITIVE_FILENAME
# ifdef BACKSLASH_IN_FILENAME
#  define fnamecmp(x, y) vim_fnamecmp((x), (y))
#  define fnamencmp(x, y, n) vim_fnamencmp((x), (y), (size_t)(n))
# else
#  define fnamecmp(x, y) MB_STRICMP((x), (y))
#  define fnamencmp(x, y, n) MB_STRNICMP((x), (y), (n))
# endif
#else
# define fnamecmp(x, y) strcmp((char *)(x), (char *)(y))
# define fnamencmp(x, y, n) strncmp((char *)(x), (char *)(y), (size_t)(n))
#endif

#ifdef HAVE_MEMSET
# define vim_memset(ptr, c, size)   memset((ptr), (c), (size))
#else
void *vim_memset __ARGS((void *, int, size_t));
#endif

#ifdef HAVE_MEMCMP
# define vim_memcmp(p1, p2, len)   memcmp((p1), (p2), (len))
#else
# ifdef HAVE_BCMP
#  define vim_memcmp(p1, p2, len)   bcmp((p1), (p2), (len))
# else
int vim_memcmp __ARGS((void *, void *, size_t));
#  define VIM_MEMCMP
# endif
#endif

#if defined(UNIX) || defined(FEAT_GUI) || defined(OS2) || defined(VMS) \
        || defined(FEAT_CLIENTSERVER) || defined(PLAN9)
# define USE_INPUT_BUF
#endif

#ifdef MSWIN
/* On MS-Windows the third argument isn't size_t.  This matters for Win64,
 * where sizeof(size_t)==8, not 4 */
# define vim_read(fd, buf, count)   read((fd), (char *)(buf), (unsigned int)(count))
# define vim_write(fd, buf, count)  write((fd), (char *)(buf), (unsigned int)(count))
#else
# define vim_read(fd, buf, count)   read((fd), (char *)(buf), (size_t) (count))
# define vim_write(fd, buf, count)  write((fd), (char *)(buf), (size_t) (count))
#endif

/*
 * Enums need a typecast to be used as array index (for Ultrix).
 */
#define hl_attr(n)      highlight_attr[(int)(n)]
#define term_str(n)     term_strings[(int)(n)]

/*
 * vim_iswhite() is used for "^" and the like. It differs from isspace()
 * because it doesn't include <CR> and <LF> and the like.
 */
#define vim_iswhite(x)  ((x) == ' ' || (x) == '\t')

/*
 * EXTERN is only defined in main.c.  That's where global variables are
 * actually defined and initialized.
 */
#ifndef EXTERN
# define EXTERN extern
# define INIT(x)
#else
# ifndef INIT
#  define INIT(x) x
#  define DO_INIT
# endif
#endif

#ifdef FEAT_MBYTE
# define MAX_MCO        6       /* maximum value for 'maxcombine' */

/* Maximum number of bytes in a multi-byte character.  It can be one 32-bit
 * character of up to 6 bytes, or one 16-bit character of up to three bytes
 * plus six following composing characters of three bytes each. */
# define MB_MAXBYTES    21
#endif

/* Include option.h before structs.h, because the number of window-local and
 * buffer-local options is used there. */
#include "option.h"         /* options and default values */

/* Note that gui.h is included by structs.h */

#include "structs.h"        /* file that defines many structures */

/* Values for "do_profiling". */
#define PROF_NONE       0        /* profiling not started */
#define PROF_YES        1       /* profiling busy */
#define PROF_PAUSED     2       /* profiling paused */

#ifdef FEAT_MOUSE

/* Codes for mouse button events in lower three bits: */
# define MOUSE_LEFT     0x00
# define MOUSE_MIDDLE   0x01
# define MOUSE_RIGHT    0x02
# define MOUSE_RELEASE  0x03

/* bit masks for modifiers: */
# define MOUSE_SHIFT    0x04
# define MOUSE_ALT      0x08
# define MOUSE_CTRL     0x10

/* mouse buttons that are handled like a key press (GUI only) */
# define MOUSE_4        0x100   /* scroll wheel down */
# define MOUSE_5        0x200   /* scroll wheel up */

# define MOUSE_X1       0x300 /* Mouse-button X1 (6th) */
# define MOUSE_X2       0x400 /* Mouse-button X2 */

/* 0x20 is reserved by xterm */
# define MOUSE_DRAG_XTERM   0x40

# define MOUSE_DRAG     (0x40 | MOUSE_RELEASE)

/* Lowest button code for using the mouse wheel (xterm only) */
# define MOUSEWHEEL_LOW         0x60

# define MOUSE_CLICK_MASK       0x03

# define NUM_MOUSE_CLICKS(code) \
    (((unsigned)((code) & 0xC0) >> 6) + 1)

# define SET_NUM_MOUSE_CLICKS(code, num) \
    (code) = ((code) & 0x3f) | ((((num) - 1) & 3) << 6)

/* Added to mouse column for GUI when 'mousefocus' wants to give focus to a
 * window by simulating a click on its status line.  We could use up to 128 *
 * 128 = 16384 columns, now it's reduced to 10000. */
# define MOUSE_COLOFF 10000

/*
 * jump_to_mouse() returns one of first four these values, possibly with
 * some of the other three added.
 */
# define IN_UNKNOWN             0
# define IN_BUFFER              1
# define IN_STATUS_LINE         2       /* on status or command line */
# define IN_SEP_LINE            4       /* on vertical separator line */
# define IN_OTHER_WIN           8       /* in other window but can't go there */
# define CURSOR_MOVED           0x100
# define MOUSE_FOLD_CLOSE       0x200   /* clicked on '-' in fold column */
# define MOUSE_FOLD_OPEN        0x400   /* clicked on '+' in fold column */

/* flags for jump_to_mouse() */
# define MOUSE_FOCUS            0x01    /* need to stay in this window */
# define MOUSE_MAY_VIS          0x02    /* may start Visual mode */
# define MOUSE_DID_MOVE         0x04    /* only act when mouse has moved */
# define MOUSE_SETPOS           0x08    /* only set current mouse position */
# define MOUSE_MAY_STOP_VIS     0x10    /* may stop Visual mode */
# define MOUSE_RELEASED         0x20    /* button was released */

# if defined(UNIX) && defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
#  define CHECK_DOUBLE_CLICK 1  /* Checking for double clicks ourselves. */
# endif

#endif /* FEAT_MOUSE */

/* defines for eval_vars() */
#define VALID_PATH              1
#define VALID_HEAD              2

/* Defines for Vim variables.  These must match vimvars[] in eval.c! */
#define VV_COUNT        0
#define VV_COUNT1       1
#define VV_PREVCOUNT    2
#define VV_ERRMSG       3
#define VV_WARNINGMSG   4
#define VV_STATUSMSG    5
#define VV_SHELL_ERROR  6
#define VV_THIS_SESSION 7
#define VV_VERSION      8
#define VV_LNUM         9
#define VV_TERMRESPONSE 10
#define VV_FNAME        11
#define VV_LANG         12
#define VV_LC_TIME      13
#define VV_CTYPE        14
#define VV_CC_FROM      15
#define VV_CC_TO        16
#define VV_FNAME_IN     17
#define VV_FNAME_OUT    18
#define VV_FNAME_NEW    19
#define VV_FNAME_DIFF   20
#define VV_CMDARG       21
#define VV_FOLDSTART    22
#define VV_FOLDEND      23
#define VV_FOLDDASHES   24
#define VV_FOLDLEVEL    25
#define VV_PROGNAME     26
#define VV_SEND_SERVER  27
#define VV_DYING        28
#define VV_EXCEPTION    29
#define VV_THROWPOINT   30
#define VV_REG          31
#define VV_CMDBANG      32
#define VV_INSERTMODE   33
#define VV_VAL          34
#define VV_KEY          35
#define VV_PROFILING    36
#define VV_FCS_REASON   37
#define VV_FCS_CHOICE   38
#define VV_BEVAL_BUFNR  39
#define VV_BEVAL_WINNR  40
#define VV_BEVAL_LNUM   41
#define VV_BEVAL_COL    42
#define VV_BEVAL_TEXT   43
#define VV_SCROLLSTART  44
#define VV_SWAPNAME     45
#define VV_SWAPCHOICE   46
#define VV_SWAPCOMMAND  47
#define VV_CHAR         48
#define VV_MOUSE_WIN    49
#define VV_MOUSE_LNUM   50
#define VV_MOUSE_COL    51
#define VV_LEN          52      /* number of v: vars */

#ifdef FEAT_CLIPBOARD

/* VIM_ATOM_NAME is the older Vim-specific selection type for X11.  Still
 * supported for when a mix of Vim versions is used. VIMENC_ATOM_NAME includes
 * the encoding to support Vims using different 'encoding' values. */
#define VIM_ATOM_NAME "_VIM_TEXT"
#define VIMENC_ATOM_NAME "_VIMENC_TEXT"

/* Selection states for modeless selection */
# define SELECT_CLEARED         0
# define SELECT_IN_PROGRESS     1
# define SELECT_DONE            2

# define SELECT_MODE_CHAR       0
# define SELECT_MODE_WORD       1
# define SELECT_MODE_LINE       2

# ifdef FEAT_GUI_W32
#  ifdef FEAT_OLE
#   define WM_OLE (WM_APP+0)
#  endif
#  ifdef FEAT_NETBEANS_INTG
    /* message for Netbeans socket event */
#   define WM_NETBEANS (WM_APP+1)
#  endif
# endif

/* Info about selected text */
typedef struct VimClipboard
{
    int         available;      /* Is clipboard available? */
    int         owned;          /* Flag: do we own the selection? */
    pos_T       start;          /* Start of selected area */
    pos_T       end;            /* End of selected area */
    int         vmode;          /* Visual mode character */

    /* Fields for selection that doesn't use Visual mode */
    short_u     origin_row;
    short_u     origin_start_col;
    short_u     origin_end_col;
    short_u     word_start_col;
    short_u     word_end_col;

    pos_T       prev;           /* Previous position */
    short_u     state;          /* Current selection state */
    short_u     mode;           /* Select by char, word, or line. */

# if defined(FEAT_GUI_X11) || defined(FEAT_XCLIPBOARD)
    Atom        sel_atom;       /* PRIMARY/CLIPBOARD selection ID */
# endif

# ifdef FEAT_GUI_GTK
    GdkAtom     gtk_sel_atom;   /* PRIMARY/CLIPBOARD selection ID */
# endif

# ifdef MSWIN
    int_u       format;         /* Vim's own special clipboard format */
    int_u       format_raw;     /* Vim's raw text clipboard format */
# endif
} VimClipboard;
#else
typedef int VimClipboard;       /* This is required for the prototypes. */
#endif

#ifdef __BORLANDC__
/* work around a bug in the Borland 'stat' function: */
# include <io.h>            /* for access() */

# define stat(a,b) (access(a,0) ? -1 : stat(a,b))
#endif

#if (defined(FEAT_PROFILE) || defined(FEAT_RELTIME)) && !defined(PROTO)
# ifdef WIN3264
typedef LARGE_INTEGER proftime_T;
# else
typedef struct timeval proftime_T;
# endif
#else
typedef int proftime_T;     /* dummy for function prototypes */
#endif

#include "ex_cmds.h"        /* Ex command defines */
#include "proto.h"          /* function prototypes */

/* This has to go after the include of proto.h, as proto/gui.pro declares
 * functions of these names. The declarations would break if the defines had
 * been seen at that stage.  But it must be before globals.h, where error_ga
 * is declared. */
#if !defined(FEAT_GUI_W32) && !defined(FEAT_GUI_X11) \
        && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MAC)
# define mch_errmsg(str)        fprintf(stderr, "%s", (str))
# define display_errors()       fflush(stderr)
# define mch_msg(str)           printf("%s", (str))
#else
# define USE_MCH_ERRMSG
#endif

#ifndef FEAT_MBYTE
# define after_pathsep(b, p)    vim_ispathsep(*((p) - 1))
# define transchar_byte(c)      transchar(c)
#endif

#ifndef FEAT_LINEBREAK
/* Without the 'numberwidth' option line numbers are always 7 chars. */
# define number_width(x) 7
#endif


#include "globals.h"        /* global variables and messages */

#ifdef FEAT_SNIFF
# include "if_sniff.h"
#endif

#ifndef FEAT_VIRTUALEDIT
# define getvvcol(w, p, s, c, e) getvcol(w, p, s, c, e)
# define virtual_active() 0
# define virtual_op FALSE
#endif

/*
 * If console dialog not supported, but GUI dialog is, use the GUI one.
 */
#if defined(FEAT_GUI_DIALOG) && !defined(FEAT_CON_DIALOG)
# define do_dialog gui_mch_dialog
#endif

/*
 * Default filters for gui_mch_browse().
 * The filters are almost system independent.  Except for the difference
 * between "*" and "*.*" for MSDOS-like systems.
 * NOTE: Motif only uses the very first pattern.  Therefore
 * BROWSE_FILTER_DEFAULT should start with a "*" pattern.
 */
#ifdef FEAT_BROWSE
# ifdef BACKSLASH_IN_FILENAME
#  define BROWSE_FILTER_MACROS \
        (char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*.*)\t*.*\n"
#  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*.*)\t*.*\n"
#  define BROWSE_FILTER_DEFAULT \
        (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"
# else
#  define BROWSE_FILTER_MACROS \
        (char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*)\t*\n"
#  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*)\t*\n"
#  define BROWSE_FILTER_DEFAULT \
        (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"
# endif
# define BROWSE_SAVE 1      /* flag for do_browse() */
# define BROWSE_DIR 2       /* flag for do_browse() */
#endif

/* stop using fastcall for Borland */
#if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
 #pragma option -p.
#endif

#if defined(MEM_PROFILE)
# define vim_realloc(ptr, size)  mem_realloc((ptr), (size))
#else
# define vim_realloc(ptr, size)  realloc((ptr), (size))
#endif

/*
 * The following macros stop display/event loop nesting at the wrong time.
 */
#ifdef ALT_X_INPUT
# define ALT_INPUT_LOCK_OFF     suppress_alternate_input = FALSE
# define ALT_INPUT_LOCK_ON      suppress_alternate_input = TRUE
#endif

#ifdef FEAT_MBYTE
/*
 * Return byte length of character that starts with byte "b".
 * Returns 1 for a single-byte character.
 * MB_BYTE2LEN_CHECK() can be used to count a special key as one byte.
 * Don't call MB_BYTE2LEN(b) with b < 0 or b > 255!
 */
# define MB_BYTE2LEN(b)         mb_bytelen_tab[b]
# define MB_BYTE2LEN_CHECK(b)   (((b) < 0 || (b) > 255) ? 1 : mb_bytelen_tab[b])
#endif

#if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
/* properties used in enc_canon_table[] (first three mutually exclusive) */
# define ENC_8BIT       0x01
# define ENC_DBCS       0x02
# define ENC_UNICODE    0x04

# define ENC_ENDIAN_B   0x10        /* Unicode: Big endian */
# define ENC_ENDIAN_L   0x20        /* Unicode: Little endian */

# define ENC_2BYTE      0x40        /* Unicode: UCS-2 */
# define ENC_4BYTE      0x80        /* Unicode: UCS-4 */
# define ENC_2WORD      0x100       /* Unicode: UTF-16 */

# define ENC_LATIN1     0x200       /* Latin1 */
# define ENC_LATIN9     0x400       /* Latin9 */
# define ENC_MACROMAN   0x800       /* Mac Roman (not Macro Man! :-) */
#endif

#ifdef FEAT_MBYTE
# ifdef USE_ICONV
#  ifndef EILSEQ
#   define EILSEQ 123
#  endif
#  ifdef DYNAMIC_ICONV
/* On Win32 iconv.dll is dynamically loaded. */
#   define ICONV_ERRNO (*iconv_errno())
#   define ICONV_E2BIG  7
#   define ICONV_EINVAL 22
#   define ICONV_EILSEQ 42
#  else
#   define ICONV_ERRNO errno
#   define ICONV_E2BIG  E2BIG
#   define ICONV_EINVAL EINVAL
#   define ICONV_EILSEQ EILSEQ
#  endif
# endif

#endif

/* ISSYMLINK(mode) tests if a file is a symbolic link. */
#if (defined(S_IFMT) && defined(S_IFLNK)) || defined(S_ISLNK)
# define HAVE_ISSYMLINK
# if defined(S_IFMT) && defined(S_IFLNK)
#  define ISSYMLINK(mode) (((mode) & S_IFMT) == S_IFLNK)
# else
#  define ISSYMLINK(mode) S_ISLNK(mode)
# endif
#endif

#define SIGN_BYTE 1         /* byte value used where sign is displayed;
                               attribute value is sign type */

#ifdef FEAT_NETBEANS_INTG
# define MULTISIGN_BYTE 2   /* byte value used where sign is displayed if
                               multiple signs exist on the line */
#endif

#if defined(FEAT_GUI) && defined(FEAT_XCLIPBOARD)
# ifdef FEAT_GUI_GTK
   /* Avoid using a global variable for the X display.  It's ugly
    * and is likely to cause trouble in multihead environments. */
#  define X_DISPLAY     ((gui.in_use) ? gui_mch_get_display() : xterm_dpy)
# else
#  define X_DISPLAY     (gui.in_use ? gui.dpy : xterm_dpy)
# endif
#else
# ifdef FEAT_GUI
#  ifdef FEAT_GUI_GTK
#   define X_DISPLAY    ((gui.in_use) ? gui_mch_get_display() : (Display *)NULL)
#  else
#   define X_DISPLAY    gui.dpy
#  endif
# else
#  define X_DISPLAY     xterm_dpy
# endif
#endif

#ifdef NBDEBUG /* Netbeans debugging. */
# include "nbdebug.h"
#else
# define nbdebug(a)
#endif

#ifdef IN_PERL_FILE
  /*
   * Avoid clashes between Perl and Vim namespace.
   */
# undef NORMAL
# undef STRLEN
# undef FF
# undef OP_DELETE
# undef OP_JOIN
# ifdef __BORLANDC__
#  define NOPROTO 1
# endif
  /* remove MAX and MIN, included by glib.h, redefined by sys/param.h */
# ifdef MAX
#  undef MAX
# endif
# ifdef MIN
#  undef MIN
# endif
  /* We use _() for gettext(), Perl uses it for function prototypes... */
# ifdef _
#  undef _
# endif
# ifdef DEBUG
#  undef DEBUG
# endif
# ifdef _DEBUG
#  undef _DEBUG
# endif
# ifdef instr
#  undef instr
# endif
  /* bool causes trouble on MACOS but is required on a few other systems */
# if defined(bool) && defined(MACOS)
#  undef bool
# endif

# ifdef __BORLANDC__
  /* Borland has the structure stati64 but not _stati64 */
#  define _stati64 stati64
# endif

# include <EXTERN.h>
# include <perl.h>
# include <XSUB.h>
#endif

/* values for vim_handle_signal() that are not a signal */
#define SIGNAL_BLOCK    -1
#define SIGNAL_UNBLOCK  -2
#if !defined(UNIX) && !defined(VMS) && !defined(OS2)
# define vim_handle_signal(x) 0
#endif

/* flags for skip_vimgrep_pat() */
#define VGR_GLOBAL      1
#define VGR_NOJUMP      2

/* behavior for bad character, "++bad=" argument */
#define BAD_REPLACE     '?'     /* replace it with '?' (default) */
#define BAD_KEEP        -1      /* leave it */
#define BAD_DROP        -2      /* erase it */

/* last argument for do_source() */
#define DOSO_NONE       0
#define DOSO_VIMRC      1       /* loading vimrc file */
#define DOSO_GVIMRC     2       /* loading gvimrc file */

#endif /* VIM__H */