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/******************************************************************************
* Top contributors (to current version):
* Andrew Reynolds
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 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.
* ****************************************************************************
*
* Shared solver in the distributed architecture.
*/
#include "cvc4_private.h"
#ifndef CVC5__THEORY__SHARED_SOLVER_DISTRIBUTED__H
#define CVC5__THEORY__SHARED_SOLVER_DISTRIBUTED__H
#include "expr/node.h"
#include "theory/shared_solver.h"
namespace cvc5 {
namespace theory {
/**
* The shared solver in the distributed architecture. This class uses the
* SharedTermsDatabase for implementing the core methods of a shared solver.
*/
class SharedSolverDistributed : public SharedSolver
{
public:
SharedSolverDistributed(TheoryEngine& te, ProofNodeManager* pnm);
virtual ~SharedSolverDistributed() {}
//------------------------------------- initialization
/**
* Returns true if we need an equality engine, this has the same contract
* as Theory::needsEqualityEngine.
*/
bool needsEqualityEngine(theory::EeSetupInfo& esi) override;
/** Set equality engine in the shared terms database */
void setEqualityEngine(eq::EqualityEngine* ee) override;
//------------------------------------- end initialization
/** Assert equality to the shared terms database. */
void assertSharedEquality(TNode equality,
bool polarity,
TNode reason) override;
/**
* Get equality status based on the equality engine of shared terms database
*/
EqualityStatus getEqualityStatus(TNode a, TNode b) override;
/** Explain literal that was propagated by a theory or using shared terms
* database */
TrustNode explain(TNode literal, TheoryId id) override;
protected:
/** If t is an equality, add it as one that may be propagated */
void preRegisterSharedInternal(TNode t) override;
};
} // namespace theory
} // namespace cvc5
#endif /* CVC5__THEORY__SHARED_SOLVER_DISTRIBUTED__H */
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