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/**************************************************************/
/* ********************************************************** */
/* * * */
/* * STANDARD UNIFICATION * */
/* * * */
/* * $Module: UNIFY * */
/* * * */
/* * Copyright (C) 1996, 1997, 1998, 2001 * */
/* * MPI fuer Informatik * */
/* * * */
/* * This program is free software; you can redistribute * */
/* * it and/or modify it under the terms of the FreeBSD * */
/* * Licence. * */
/* * * */
/* * This program is distributed in the hope that it will * */
/* * be useful, but WITHOUT ANY WARRANTY; without even * */
/* * the implied warranty of MERCHANTABILITY or FITNESS * */
/* * FOR A PARTICULAR PURPOSE. See the LICENCE file * */
/* * for more details. * */
/* * * */
/* * * */
/* $Revision: 1.4 $ * */
/* $State: Exp $ * */
/* $Date: 2011-11-27 14:47:54 $ * */
/* $Author: weidenb $ * */
/* * * */
/* * Contact: * */
/* * Christoph Weidenbach * */
/* * MPI fuer Informatik * */
/* * Stuhlsatzenhausweg 85 * */
/* * 66123 Saarbruecken * */
/* * Email: spass@mpi-inf.mpg.de * */
/* * Germany * */
/* * * */
/* ********************************************************** */
/**************************************************************/
/* $RCSfile: unify.h,v $ */
#ifndef _UNIFY_
#define _UNIFY_
/**************************************************************/
/* Includes */
/**************************************************************/
#include "term.h"
#include "symbol.h"
#include "list.h"
#include "context.h"
#include "subst.h"
/**************************************************************/
/* Functions for Initialization and Controlling */
/**************************************************************/
void unify_Init(void);
void unify_Free(void);
/**************************************************************/
/* Functions for Misc */
/**************************************************************/
/**************************************************************/
/* Functions for Occur Check */
/**************************************************************/
BOOL unify_OccurCheckCom(SYMBOL, VARCONT, TERM);
BOOL unify_OccurCheck(VARCONT, SYMBOL, VARCONT, TERM);
/**************************************************************/
/* Functions for Unification */
/**************************************************************/
BOOL unify_Unify(VARCONT, TERM, VARCONT, TERM);
BOOL unify_ContinueToUnify(VARCONT, TERM, VARCONT, TERM);
BOOL unify_UnifyCom(VARCONT, TERM, TERM);
BOOL unify_UnifyNoOC(VARCONT, TERM, VARCONT, TERM);
BOOL unify_UnifyAllOC(VARCONT, VARCONT, TERM, VARCONT, TERM);
/**************************************************************/
/* Functions for Generalization Test */
/**************************************************************/
BOOL unify_Match(VARCONT, TERM, TERM);
BOOL unify_MatchFlexible(VARCONT, TERM, TERM);
void unify_EstablishMatcher(VARCONT, SUBST);
BOOL unify_MatchBindings(const VARCONT, TERM, TERM);
/**************************************************************/
/* Functions for Instance Test */
/**************************************************************/
BOOL unify_MatchReverse(const VARCONT, TERM, VARCONT, TERM);
/**************************************************************/
/* Functions for Variation Test */
/**************************************************************/
BOOL unify_Variation(const VARCONT, TERM, TERM);
/**************************************************************/
/* Functions for Computing MSCGs */
/**************************************************************/
TERM unify_ComGenLinear(const VARCONT, SUBST*, TERM, SUBST*, TERM);
/**************************************************************/
/* Functions for Debugging */
/**************************************************************/
#endif
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