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yap-6.3/include/YapInterface.h
tiagosoares 83b5a160f8 support for executing c code when a cut occurs 
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1463 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
2005-11-18 18:52:41 +00:00

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C
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/*************************************************************************
* *
* YAP Prolog @(#)c_interface.h 2.2 *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: YapInterface.h *
* Last rev: 19/2/88 *
* mods: *
* comments: c_interface header file for YAP *
* *
*************************************************************************/
/******************* IMPORTANT ********************
Due to a limitation of the DecStation loader any function (including
library functions) which is linked to yap can not be called directly
from C code loaded dynamically.
To go around this problem we adopted the solution of calling such
functions indirectly
****************************************************/
#ifndef _yap_c_interface_h
#define _yap_c_interface_h 1
#include "yap_structs.h"
#if HAVE_STDARG_H
#include <stdarg.h>
#endif
/*
__BEGIN_DECLS should be used at the beginning of the C declarations,
so that C++ compilers don't mangle their names. __END_DECLS is used
at the end of C declarations.
*/
#undef __BEGIN_DECLS
#undef __END_DECLS
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS /* empty */
# define __END_DECLS /* empty */
#endif /* _cplusplus */
__BEGIN_DECLS
#if defined(_MSC_VER) && defined(YAP_EXPORTS)
#define X_API __declspec(dllexport)
#else
#define X_API
#endif
/* Primitive Functions */
#define YAP_Deref(t) (t)
extern X_API YAP_Term PROTO(YAP_A,(int));
#define YAP_ARG1 YAP_A(1)
#define YAP_ARG2 YAP_A(2)
#define YAP_ARG3 YAP_A(3)
#define YAP_ARG4 YAP_A(4)
#define YAP_ARG5 YAP_A(5)
#define YAP_ARG6 YAP_A(6)
#define YAP_ARG7 YAP_A(7)
#define YAP_ARG8 YAP_A(8)
#define YAP_ARG9 YAP_A(9)
#define YAP_ARG10 YAP_A(10)
#define YAP_ARG11 YAP_A(11)
#define YAP_ARG12 YAP_A(12)
#define YAP_ARG13 YAP_A(13)
#define YAP_ARG14 YAP_A(14)
#define YAP_ARG15 YAP_A(15)
#define YAP_ARG16 YAP_A(16)
/* YAP_Bool IsVarTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsVarTerm,(YAP_Term));
/* YAP_Bool IsNonVarTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsNonVarTerm,(YAP_Term));
/* YAP_Term MkVarTerm() */
extern X_API YAP_Term PROTO(YAP_MkVarTerm,(void));
/* YAP_Bool IsIntTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsIntTerm,(YAP_Term));
/* YAP_Bool IsBigNumTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsBigNumTerm,(YAP_Term));
/* YAP_Bool IsFloatTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsFloatTerm,(YAP_Term));
/* YAP_Bool IsDbRefTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsDbRefTerm,(YAP_Term));
/* YAP_Bool IsAtomTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsAtomTerm,(YAP_Term));
/* YAP_Bool IsPairTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsPairTerm,(YAP_Term));
/* YAP_Bool IsApplTerm(YAP_Term) */
extern X_API YAP_Bool PROTO(YAP_IsApplTerm,(YAP_Term));
/* Term MkIntTerm(YAP_Int) */
extern X_API YAP_Term PROTO(YAP_MkIntTerm,(YAP_Int));
/* Term MkBigNumTerm(void *) */
extern X_API YAP_Term PROTO(YAP_MkBigNumTerm,(void *));
/* YAP_Int IntOfTerm(Term) */
extern X_API YAP_Int PROTO(YAP_IntOfTerm,(YAP_Term));
/* void * BigNumOfTerm(Term) */
extern X_API void *PROTO(YAP_BigNumOfTerm,(YAP_Term));
/* Term MkFloatTerm(YAP_Float) */
extern X_API YAP_Term PROTO(YAP_MkFloatTerm,(YAP_Float));
/* YAP_Float FloatOfTerm(YAP_Term) */
extern X_API YAP_Float PROTO(YAP_FloatOfTerm,(YAP_Term));
/* Term MkAtomTerm(Atom) */
extern X_API YAP_Term PROTO(YAP_MkAtomTerm,(YAP_Atom));
/* YAP_Atom AtomOfTerm(Term) */
extern X_API YAP_Atom PROTO(YAP_AtomOfTerm,(YAP_Term));
/* YAP_Atom LookupAtom(const char *) */
extern X_API YAP_Atom PROTO(YAP_LookupAtom,(CONST char *));
/* YAP_Atom FullLookupAtom(const char *) */
extern X_API YAP_Atom PROTO(YAP_FullLookupAtom,(CONST char *));
/* const char* AtomName(YAP_Atom) */
extern X_API CONST char *PROTO(YAP_AtomName,(YAP_Atom));
/* YAP_Term MkPairTerm(YAP_Term Head, YAP_Term Tail) */
extern X_API YAP_Term PROTO(YAP_MkPairTerm,(YAP_Term,YAP_Term));
/* YAP_Term MkNewPairTerm(void) */
extern X_API YAP_Term PROTO(YAP_MkNewPairTerm,(void));
/* Term HeadOfTerm(Term) */
extern X_API YAP_Term PROTO(YAP_HeadOfTerm,(YAP_Term));
/* Term TailOfTerm(Term) */
extern X_API YAP_Term PROTO(YAP_TailOfTerm,(YAP_Term));
/* YAP_Term MkApplTerm(YAP_Functor f, unsigned int n, YAP_Term[] args) */
extern X_API YAP_Term PROTO(YAP_MkApplTerm,(YAP_Functor,unsigned int,YAP_Term *));
/* YAP_Term MkNewApplTerm(YAP_Functor f, unsigned int n) */
extern X_API YAP_Term PROTO(YAP_MkNewApplTerm,(YAP_Functor,unsigned int));
/* YAP_Functor YAP_FunctorOfTerm(Term) */
extern X_API YAP_Functor PROTO(YAP_FunctorOfTerm,(YAP_Term));
/* YAP_Term ArgOfTerm(unsigned int argno,YAP_Term t) */
extern X_API YAP_Term PROTO(YAP_ArgOfTerm,(unsigned int,YAP_Term));
/* YAP_Functor MkFunctor(YAP_Atom a,int arity) */
extern X_API YAP_Functor PROTO(YAP_MkFunctor,(YAP_Atom,unsigned int));
/* YAP_Atom NameOfFunctor(Functor) */
extern X_API YAP_Atom PROTO(YAP_NameOfFunctor,(YAP_Functor));
/* unsigned unsigned int YAP_ArityOfFunctor(Functor) */
extern X_API unsigned int PROTO(YAP_ArityOfFunctor,(YAP_Functor));
/* void ExtraSpace(void) */
extern X_API void *PROTO(YAP_ExtraSpace,(void));
extern X_API void *PROTO(YAP_ExtraSpaceCut,(void));
#define YAP_PRESERVE_DATA(ptr, type) (ptr = (type *)YAP_ExtraSpace())
#define YAP_PRESERVED_DATA(ptr, type) (ptr = (type *)YAP_ExtraSpace())
#define YAP_PRESERVED_DATA_CUT(ptr,type) (ptr = (type *)YAP_ExtraSpaceCut())
/* YAP_Bool unify(YAP_Term a, YAP_Term b) */
extern X_API YAP_Bool PROTO(YAP_Unify,(YAP_Term, YAP_Term));
/* void UserCPredicate(const char *name, int *fn(), int arity) */
extern X_API void PROTO(YAP_UserCPredicate,(CONST char *, YAP_Bool (*)(void), unsigned int));
/* void UserCPredicateWithArgs(const char *name, int *fn(), unsigned int arity) */
extern X_API void PROTO(YAP_UserCPredicateWithArgs,(CONST char *, YAP_Bool (*)(void), unsigned int,unsigned int));
/* void UserBackCPredicate(const char *name, int *init(), int *cont(), int
arity, int extra) */
extern X_API void PROTO(YAP_UserBackCPredicate,(CONST char *, YAP_Bool (*)(void), YAP_Bool (*)(void), unsigned int, unsigned int));
/* void UserBackCPredicate(char *name, int *init(), int *cont(), int *cut(), int
arity, int extra) */
extern X_API void PROTO(YAP_UserBackCutCPredicate,(char *, YAP_Bool (*)(void), YAP_Bool (*)(void), YAP_Bool (*)(void), unsigned long int, unsigned int));
/* void CallProlog(YAP_Term t) */
extern X_API YAP_Bool PROTO(YAP_CallProlog,(YAP_Term t));
/* void cut_fail(void) */
extern X_API void PROTO(YAP_cut_up,(void));
#define YAP_cut_succeed() { YAP_cut_up(); return TRUE; }
#define YAP_cut_fail() { YAP_cut_up(); return FALSE; }
/* void *AllocSpaceFromYAP_(int) */
extern X_API void *PROTO(YAP_AllocSpaceFromYap,(unsigned int));
/* void FreeSpaceFromYAP_(void *) */
extern X_API void PROTO(YAP_FreeSpaceFromYap,(void *));
/* int YAP_RunGoal(YAP_Term) */
extern X_API YAP_Term PROTO(YAP_RunGoal,(YAP_Term));
/* int YAP_RestartGoal(void) */
extern X_API YAP_Bool PROTO(YAP_RestartGoal,(void));
/* int YAP_ContinueGoal(void) */
extern X_API YAP_Bool PROTO(YAP_ContinueGoal,(void));
/* void YAP_PruneGoal(void) */
extern X_API void PROTO(YAP_PruneGoal,(void));
/* int YAP_GoalHasException(YAP_Term *) */
extern X_API YAP_Bool PROTO(YAP_GoalHasException,(YAP_Term *));
/* void YAP_ClearExceptions(void) */
extern X_API void PROTO(YAP_ClearExceptions,(void));
/* int YAP_Reset(void) */
extern X_API void PROTO(YAP_Reset,(void));
/* void YAP_Error(int, YAP_Term, const char *,...) */
extern X_API void PROTO(YAP_Error,(int, YAP_Term, CONST char *, ...));
/* YAP_Term YAP_Read(int (*)(void)) */
extern X_API YAP_Term PROTO(YAP_Read,(int (*)(void)));
/* void YAP_Write(YAP_Term,void (*)(int),int) */
extern X_API void PROTO(YAP_Write,(YAP_Term,void (*)(int),int));
/* void YAP_WriteBuffer(YAP_Term,char *,unsgined int,int) */
extern X_API void PROTO(YAP_WriteBuffer,(YAP_Term,char *,unsigned int,int));
/* char *YAP_CompileClause(YAP_Term) */
extern X_API char *PROTO(YAP_CompileClause,(YAP_Term));
/* int YAP_Init(YAP_init_args *) */
extern X_API int PROTO(YAP_Init,(YAP_init_args *));
/* int YAP_FastInit(const char *) */
extern X_API int PROTO(YAP_FastInit,(CONST char *));
/* int YAP_InitConsult(int, const char *) */
extern X_API int PROTO(YAP_InitConsult,(int, CONST char *));
/* int YAP_EndConsult(void) */
extern X_API int PROTO(YAP_EndConsult,(void));
/* void YAP_Exit(int) */
extern X_API void PROTO(YAP_Exit,(int));
/* void YAP_PutValue(YAP_Atom, YAP_Term) */
extern X_API void PROTO(YAP_PutValue,(YAP_Atom, YAP_Term));
/* YAP_Term YAP_GetValue(YAP_Atom) */
extern X_API YAP_Term PROTO(YAP_GetValue,(YAP_Atom));
/* int StringToBuffer(YAP_Term,char *,unsigned int) */
extern X_API int PROTO(YAP_StringToBuffer,(YAP_Term,char *,unsigned int));
/* int BufferToString(const char *) */
extern X_API YAP_Term PROTO(YAP_BufferToString,(CONST char *));
/* YAP_Term BufferToTerm(const char *) */
extern X_API YAP_Term PROTO(YAP_ReadBuffer,(CONST char *,YAP_Term *));
/* int BufferToAtomList(const char *) */
extern X_API YAP_Term PROTO(YAP_BufferToAtomList,(CONST char *));
/* void YAP_InitSocks(const char *,long) */
extern X_API int PROTO(YAP_InitSocks,(CONST char *,long));
#ifdef SFUNC
#define SFArity 0
extern X_API YAP_Term *ArgsOfSFTerm();
extern X_API YAP_Term MkSFTerm();
#endif /* SFUNC */
/* YAP_Term YAP_SetOutputMessage() */
extern X_API void PROTO(YAP_SetOutputMessage,(void));
/* YAP_Term YAP_SetOutputMessage() */
extern X_API int PROTO(YAP_StreamToFileNo,(YAP_Term));
/* YAP_Term YAP_SetOutputMessage() */
extern X_API void PROTO(YAP_CloseAllOpenStreams,(void));
#define YAP_INPUT_STREAM 0x01
#define YAP_OUTPUT_STREAM 0x02
#define YAP_APPEND_STREAM 0x04
#define YAP_PIPE_STREAM 0x08
#define YAP_TTY_STREAM 0x10
#define YAP_POPEN_STREAM 0x20
#define YAP_BINARY_STREAM 0x40
#define YAP_SEEKABLE_STREAM 0x80
/* YAP_Term YAP_OpenStream() */
extern X_API YAP_Term PROTO(YAP_OpenStream,(void *, CONST char *, YAP_Term, int));
/* YAP_Term *YAP_NewSlots() */
extern X_API long PROTO(YAP_NewSlots,(int));
/* YAP_Term *YAP_InitSlot() */
extern X_API long PROTO(YAP_InitSlot,(YAP_Term));
/* YAP_Term YAP_GetFromSlots(t) */
extern X_API YAP_Term PROTO(YAP_GetFromSlot,(long int));
/* YAP_Term YAP_AddressFromSlots(t) */
extern X_API YAP_Term *PROTO(YAP_AddressFromSlot,(long int));
/* YAP_Term YAP_PutInSlots(t) */
extern X_API void PROTO(YAP_PutInSlot,(long int, YAP_Term));
/* void YAP_RecoverSlots() */
extern X_API void PROTO(YAP_RecoverSlots,(int));
/* void YAP_Throw() */
extern X_API void PROTO(YAP_Throw,(YAP_Term));
/* int YAP_LookupModule() */
#define YAP_LookupModule(T) (T)
#define YAP_ModuleName(mod) (mod)
/* int YAP_Halt() */
extern X_API int PROTO(YAP_Halt,(int));
/* int YAP_TopOfLocalStack() */
extern X_API YAP_Term *PROTO(YAP_TopOfLocalStack,(void));
/* int YAP_Predicate() */
extern X_API void *PROTO(YAP_Predicate,(YAP_Atom,unsigned long int,int));
/* int YAP_Predicate() */
extern X_API void PROTO(YAP_PredicateInfo,(void *,YAP_Atom *,unsigned long int*,YAP_Module*));
/* int YAP_CurrentModule() */
extern X_API YAP_Module PROTO(YAP_CurrentModule,(void));
/* int YAP_CurrentModule() */
extern X_API YAP_Module PROTO(YAP_CreateModule,(YAP_Atom));
/* thread stuff */
extern X_API int PROTO(YAP_ThreadSelf,(void));
extern X_API YAP_CELL PROTO(YAP_ThreadCreateEngine,(YAP_thread_attr *));
extern X_API int PROTO(YAP_ThreadAttachEngine,(int));
extern X_API int PROTO(YAP_ThreadDetachEngine,(int));
extern X_API int PROTO(YAP_ThreadDestroyEngine,(int));
/* term comparison */
extern X_API int PROTO(YAP_CompareTerms,(YAP_Term, YAP_Term));
#define YAP_InitCPred(N,A,F) YAP_UserCPredicate(N,F,A)
__END_DECLS
#endif
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