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/********************* */
/*! \file theory_quantifiers.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Tim King, Andrew Reynolds
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 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
**
** \brief Theory of quantifiers.
**
** Theory of quantifiers.
**/
#include "cvc4_private.h"
#ifndef __CVC4__THEORY__QUANTIFIERS__THEORY_QUANTIFIERS_H
#define __CVC4__THEORY__QUANTIFIERS__THEORY_QUANTIFIERS_H
#include "context/cdhashmap.h"
#include "context/context.h"
#include "expr/node.h"
#include "theory/output_channel.h"
#include "theory/theory.h"
#include "theory/theory_engine.h"
#include "theory/valuation.h"
#include "util/statistics_registry.h"
namespace CVC4 {
namespace theory {
namespace quantifiers {
class TheoryQuantifiers : public Theory {
private:
typedef context::CDHashMap< Node, bool, NodeHashFunction > BoolMap;
/** number of instantiations */
int d_numInstantiations;
int d_baseDecLevel;
private:
void computeCareGraph();
public:
TheoryQuantifiers(context::Context* c, context::UserContext* u,
OutputChannel& out, Valuation valuation,
const LogicInfo& logicInfo);
~TheoryQuantifiers();
void setMasterEqualityEngine(eq::EqualityEngine* eq);
void addSharedTerm(TNode t);
void notifyEq(TNode lhs, TNode rhs);
void preRegisterTerm(TNode n);
void presolve();
void ppNotifyAssertions(const std::vector<Node>& assertions);
void check(Effort e);
Node getNextDecisionRequest( unsigned& priority );
Node getValue(TNode n);
bool collectModelInfo(TheoryModel* m) override;
void shutdown() { }
std::string identify() const { return std::string("TheoryQuantifiers"); }
void setUserAttribute(const std::string& attr, Node n, std::vector<Node> node_values, std::string str_value);
bool ppDontRewriteSubterm(TNode atom) { return atom.getKind() == kind::FORALL || atom.getKind() == kind::EXISTS; }
private:
void assertUniversal( Node n );
void assertExistential( Node n );
};/* class TheoryQuantifiers */
}/* CVC4::theory::quantifiers namespace */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
#endif /* __CVC4__THEORY__QUANTIFIERS__THEORY_QUANTIFIERS_H */
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