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/**************************************************************/
/* ********************************************************** */
/* * * */
/* * INTERFACE FOR THE DFG PARSER * */
/* * * */
/* * $Module: DFG * */
/* * * */
/* * Copyright (C) 1997, 1999, 2000, 2001 * */
/* * MPI fuer Informatik * */
/* * * */
/* * This program is free software; you can redistribute * */
/* * it and/or modify it under the terms of the GNU * */
/* * General Public License as published by the Free * */
/* * Software Foundation; either version 2 of the License, * */
/* * or (at your option) any later version. * */
/* * * */
/* * 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 GNU General Public * */
/* * License for more details. * */
/* * * */
/* * You should have received a copy of the GNU General * */
/* * Public License along with this program; if not, write * */
/* * to the Free Software Foundation, Inc., 59 Temple * */
/* * Place, Suite 330, Boston, MA 02111-1307 USA * */
/* * * */
/* * * */
/* $Revision: 21527 $ * */
/* $State$ * */
/* $Date: 2005-04-24 21:10:28 -0700 (Sun, 24 Apr 2005) $ * */
/* $Author: duraid $ * */
/* * * */
/* * Contact: * */
/* * Christoph Weidenbach * */
/* * MPI fuer Informatik * */
/* * Stuhlsatzenhausweg 85 * */
/* * 66123 Saarbruecken * */
/* * Email: weidenb@mpi-sb.mpg.de * */
/* * Germany * */
/* * * */
/* ********************************************************** */
/**************************************************************/
/* $RCSfile$ */
#ifndef _DFG_
#define _DFG_
#include <stdio.h>
#include "list.h"
#include "flags.h"
#include "clause.h"
typedef enum { DFG_SATISFIABLE, DFG_UNSATISFIABLE, DFG_UNKNOWNSTATE } DFG_STATE;
/* Parser functions */
LIST dfg_DFGParser(FILE*, FLAGSTORE, PRECEDENCE, LIST*, LIST*, LIST*, LIST*);
LIST dfg_ProofParser(FILE*, FLAGSTORE, PRECEDENCE);
LIST dfg_TermParser(FILE*, FLAGSTORE, PRECEDENCE);
/* Functions for accessing description information */
const char* dfg_ProblemName(void);
const char* dfg_ProblemAuthor(void);
const char* dfg_ProblemVersion(void);
const char* dfg_ProblemLogic(void);
DFG_STATE dfg_ProblemStatus(void);
const char* dfg_ProblemStatusString(void);
const char* dfg_ProblemDescription(void);
const char* dfg_ProblemDate(void);
NAT dfg_DescriptionLength(void);
/* Misc functions */
void dfg_Free(void); /* Must be called after each parser call */
void dfg_DeleteFormulaPairList(LIST);
void dfg_StripLabelsFromList(LIST);
void dfg_FPrintDescription(FILE*);
void dfg_DeleteProofList(LIST);
CLAUSE dfg_CreateClauseFromTerm(TERM, BOOL, FLAGSTORE, PRECEDENCE);
TERM dfg_CreateQuantifier(SYMBOL, LIST, TERM);
#endif
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