src/regex/regcustom.h

   1 /*
   2  * Copyright (c) 1998, 1999 Henry Spencer.      All rights reserved.
   3  *
   4  * Development of this software was funded, in part, by Cray Research Inc.,
   5  * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
   6  * Corporation, none of whom are responsible for the results.  The author
   7  * thanks all of them.
   8  *
   9  * Redistribution and use in source and binary forms -- with or without
  10  * modification -- are permitted for any purpose, provided that
  11  * redistributions in source form retain this entire copyright notice and
  12  * indicate the origin and nature of any modifications.
  13  *
  14  * I'd appreciate being given credit for this package in the documentation
  15  * of software which uses it, but that is not a requirement.
  16  *
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  19  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
  20  * HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * $Id$
  29  */
  30
  31 /* headers if any */
  32
  33 // FreeBSD, Watcom and DMars require this, CW doesn't have nor need it.
  34 // Others also don't seem to need it. If you have an error related to
  35 // (not) including <sys/types.h> please report details to
  36 // wx-dev@lists.wxwindows.org
  37 #if defined(__UNIX__) || defined(__WATCOMC__) || defined(__DIGITALMARS__)
  38 #   include <sys/types.h>
  39 #endif
  40
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <ctype.h>
  44 #include <limits.h>
  45 #ifndef wxCHECK_GCC_VERSION
  46 #define wxCHECK_GCC_VERSION( major, minor ) \
  47     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
  48     && ( ( __GNUC__ > (major) ) \
  49         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
  50 #endif
  51
  52 #if !wxUSE_UNICODE
  53 #       define wx_wchar char
  54 #else // Unicode
  55     #if (defined(__GNUC__) && !wxCHECK_GCC_VERSION(2, 96))
  56     #           define wx_wchar __WCHAR_TYPE__
  57     #else // __WCHAR_TYPE__ and gcc < 2.96
  58         // standard case
  59         #               define wx_wchar wchar_t
  60     #endif // __WCHAR_TYPE__
  61 #endif // ASCII/Unicode
  62
  63 /* overrides for regguts.h definitions, if any */
  64 #define FUNCPTR(name, args) (*name) args
  65 #define MALLOC(n)               malloc(n)
  66 #define FREE(p)                 free(VS(p))
  67 #define REALLOC(p,n)            realloc(VS(p),n)
  68
  69 /* internal character type and related */
  70 typedef wx_wchar chr;                   /* the type itself */
  71 typedef unsigned long uchr;                     /* unsigned type that will hold a chr */
  72 typedef long celt;                              /* type to hold chr, MCCE number, or
  73                                                                  * NOCELT */
  74
  75 #define NOCELT  (-1)                    /* celt value which is not valid chr or
  76                                                                  * MCCE */
  77 #define CHR(c)  ((unsigned char) (c))   /* turn char literal into chr
  78                                                                                  * literal */
  79 #define DIGITVAL(c) ((c)-'0')   /* turn chr digit into its value */
  80
  81 /*  RN - the "not use sizeof() thing is really annoying!" */
  82 #if wxUSE_UNICODE
  83 #   if defined(__WINDOWS__)
  84 #       define CHRBITS 16
  85 #       define CHR_MAX 0xfffe
  86 #   else   /* !__WINDOWS__ */
  87 #       if defined(__MACH__)
  88 #           define CHRBITS 32
  89 #           define CHR_MAX 0xfffffffe
  90 #       else  /* !__MACH__ */
  91 #           if !defined(SIZEOF_WCHAR_T)
  92 #               define CHRBITS 16
  93 #               define CHR_MAX 0xfffe
  94 #           else        /* defined(SIZEOF_WCHAR_T) */
  95 #               define CHRBITS SIZEOF_WCHAR_T
  96 #               define CHR_MAX ((1 << CHRBITS) - 1)
  97 #           endif  /* !defined(SIZEOF_WCHAR_T) */
  98 #       endif  /* defined(__MACH__)  */
  99 #   endif  /*  defined(__WINDOWS__)  */
 100 #else  /*  !wxUSE_UNICODE */
 101 #   define CHRBITS 8                    /* bits in a chr; must not use sizeof */
 102 #   define CHR_MAX 0xfe
 103 #endif  /* wxUSE_UNICODE  */
 104
 105 #define CHR_MIN 0x00000000              /* smallest and largest chr; the value */
 106 /*
 107         PUTTING PARENTHASES AROUND THIS, I.E. (1 << CHRBITS) WILL
 108         CAUSE ALL CHARACTERS TO BE MATCHED!!!
 109 */
 110 /*#define CHR_MAX 1 << CHRBITS /*0xfffffffe*/           /* CHR_MAX-CHR_MIN+1 should fit in uchr */
 111
 112
 113 /* functions operating on chr */
 114 #define iscalnum(x) wx_isalnum(x)
 115 #define iscalpha(x) wx_isalpha(x)
 116 #define iscdigit(x) wx_isdigit(x)
 117 #define iscspace(x) wx_isspace(x)
 118
 119 /* and pick up the standard header */
 120 #include "regex.h"