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yap-6.3/H/YapTerm.h

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/*************************************************************************
* *
* YAP Prolog %W% %G% *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: Yap.h *
* mods: *
* comments: abstract type definitions for YAP *
* version: $Id: Yap.h,v 1.38 2008-06-18 10:02:27 vsc Exp $ *
*************************************************************************/
#ifndef YAP_H
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#include "YapTermConfig.h"
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#if HAVE_STDINT_H
#include <stdint.h>
#endif
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
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typedef void *Functor;
typedef void *Atom;
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#endif
#define ALIGN_YAPTYPE(X,TYPE) (((CELL)(X)+(sizeof(TYPE)-1)) & ~(sizeof(TYPE)-1))
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#ifndef EXTERN
#define EXTERN extern
#endif
/* defines integer types Int and UInt (unsigned) with the same size as a ptr
** and integer types Short and UShort with half the size of a ptr */
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/* */ typedef intptr_t Int;
/* */ typedef uintptr_t UInt;
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#if SIZEOF_INT_P==4
#if SIZEOF_INT==4
#define Int_FORMAT "%d"
#define UInt_FORMAT "%u"
#elif SIZEOF_LONG_INT==4
/* */ typedef long int Int;
/* */ typedef unsigned long int UInt;
#define Int_FORMAT "%ld"
#define UInt_FORMAT "%lu"
#else
#error Yap require integer types of the same size as a pointer
#endif
#if SIZEOF_SHORT_INT==2
/* */ typedef short int Short;
/* */ typedef unsigned short int UShort;
#else
# error Yap requires integer types half the size of a pointer
#endif
#elif SIZEOF_INT_P==8
#if SIZEOF_INT==8
#define Int_FORMAT "%d"
#define UInt_FORMAT "%u"
#elif SIZEOF_LONG_INT==8
#define Int_FORMAT "%ld"
#define UInt_FORMAT "%lu"
# elif SIZEOF_LONG_LONG_INT==8
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#define Int_FORMAT "%I64d"
#define UInt_FORMAT "%I64u"
# else
# error Yap requires integer types of the same size as a pointer
# endif
# if SIZEOF_SHORT_INT==4
/* */ typedef short int Short;
/* */ typedef unsigned short int UShort;
# elif SIZEOF_INT==4
/* */ typedef int Short;
/* */ typedef unsigned int UShort;
# else
# error Yap requires integer types half the size of a pointer
# endif
#else
# error Yap requires pointers of size 4 or 8
#endif
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typedef UInt CELL;
#if HAVE_STDINT_H
#include <stdint.h>
typedef uint16_t BITS16;
typedef int16_t SBITS16;
typedef uint32_t BITS32;
#else
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typedef UShort BITS16;
typedef Short SBITS16;
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typedef UInt BITS32;
#endif
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#define WordSize sizeof(BITS16)
#define CellSize sizeof(CELL)
#define SmallSize sizeof(SMALLUNSGN)
/*************************************************************************************************
type casting macros
*************************************************************************************************/
typedef CELL Term;
typedef Int yhandle_t;
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/* */ typedef double Float;
#if SIZEOF_INT<SIZEOF_INT_P
#define SHORT_INTS 1
#else
#define SHORT_INTS 0
#endif
#ifdef __GNUC__
typedef long long int YAP_LONG_LONG;
typedef unsigned long long int YAP_ULONG_LONG;
#else
typedef long int YAP_LONG_LONG;
typedef unsigned long int YAP_ULONG_LONG;
#endif
#define Unsigned(V) ((CELL) (V))
#define Signed(V) ((Int) (V))