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/********************* */
/*! \file theory_sets.h
** \verbatim
** Top contributors (to current version):
** Tim King, Kshitij Bansal, Andrew Reynolds
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 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 Sets theory.
**
** Sets theory.
**/
#include "cvc4_private.h"
#ifndef CVC4__THEORY__SETS__THEORY_SETS_H
#define CVC4__THEORY__SETS__THEORY_SETS_H
#include <memory>
#include "theory/theory.h"
#include "theory/uf/equality_engine.h"
namespace CVC4 {
namespace theory {
namespace sets {
class TheorySetsPrivate;
class TheorySetsScrutinize;
class TheorySets : public Theory
{
public:
/** Constructs a new instance of TheorySets w.r.t. the provided contexts. */
TheorySets(context::Context* c,
context::UserContext* u,
OutputChannel& out,
Valuation valuation,
const LogicInfo& logicInfo);
~TheorySets() override;
TheoryRewriter* getTheoryRewriter() override;
/** finish initialization */
void finishInit() override;
void addSharedTerm(TNode) override;
void check(Effort) override;
bool collectModelInfo(TheoryModel* m) override;
void computeCareGraph() override;
Node explain(TNode) override;
EqualityStatus getEqualityStatus(TNode a, TNode b) override;
Node getModelValue(TNode) override;
std::string identify() const override { return "THEORY_SETS"; }
void preRegisterTerm(TNode node) override;
Node expandDefinition(Node n) override;
PPAssertStatus ppAssert(TNode in, SubstitutionMap& outSubstitutions) override;
void presolve() override;
void propagate(Effort) override;
void setMasterEqualityEngine(eq::EqualityEngine* eq) override;
bool isEntailed(Node n, bool pol);
private:
friend class TheorySetsPrivate;
friend class TheorySetsScrutinize;
friend class TheorySetsRels;
std::unique_ptr<TheorySetsPrivate> d_internal;
}; /* class TheorySets */
}/* CVC4::theory::sets namespace */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
#endif /* CVC4__THEORY__SETS__THEORY_SETS_H */
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