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/********************* */
/*! \file rewrite_engine.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Andrew Reynolds, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2016 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** [[ Add lengthier description here ]]
** \todo document this file
**/
#include "cvc4_private.h"
#ifndef __CVC4__REWRITE_ENGINE_H
#define __CVC4__REWRITE_ENGINE_H
#include "theory/quantifiers_engine.h"
#include "theory/quantifiers/trigger.h"
#include "context/context.h"
#include "context/context_mm.h"
#include "context/cdchunk_list.h"
namespace CVC4 {
namespace theory {
namespace quantifiers {
class QuantInfo;
class RewriteEngine : public QuantifiersModule
{
typedef context::CDHashMap<Node, bool, NodeHashFunction> NodeBoolMap;
typedef context::CDHashMap<Node, int, NodeHashFunction> NodeIntMap;
typedef context::CDHashMap<Node, Node, NodeHashFunction> NodeNodeMap;
std::vector< Node > d_rr_quant;
std::vector< Node > d_priority_order;
std::map< Node, Node > d_rr;
/** explicitly provided patterns */
std::map< Node, std::vector< inst::Trigger* > > d_rr_triggers;
/** get the quantifer info object */
std::map< Node, Node > d_qinfo_n;
std::map< Node, QuantInfo > d_qinfo;
double getPriority( Node f );
bool d_needsSort;
std::map< Node, std::map< Node, Node > > d_inst_const_node;
Node getInstConstNode( Node n, Node q );
private:
int checkRewriteRule( Node f, Theory::Effort e );
public:
RewriteEngine( context::Context* c, QuantifiersEngine* qe );
~RewriteEngine() throw() {}
bool needsCheck( Theory::Effort e );
void check( Theory::Effort e, unsigned quant_e );
void registerQuantifier( Node f );
void assertNode( Node n );
/** Identify this module */
std::string identify() const { return "RewriteEngine"; }
};
}
}
}
#endif
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