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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds |
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* |
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* This file is part of the cvc5 project. |
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* |
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* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
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* in the top-level source directory and their institutional affiliations. |
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* All rights reserved. See the file COPYING in the top-level source |
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* directory for licensing information. |
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* **************************************************************************** |
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* |
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* Shared solver in the distributed architecture. |
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*/ |
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#include "cvc5_private.h" |
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#ifndef CVC5__THEORY__SHARED_SOLVER_DISTRIBUTED__H |
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#define CVC5__THEORY__SHARED_SOLVER_DISTRIBUTED__H |
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#include "expr/node.h" |
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#include "theory/shared_solver.h" |
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namespace cvc5 { |
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namespace theory { |
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/** |
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* The shared solver in the distributed architecture. This class uses the |
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* SharedTermsDatabase for implementing the core methods of a shared solver. |
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*/ |
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class SharedSolverDistributed : public SharedSolver |
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{ |
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public: |
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SharedSolverDistributed(TheoryEngine& te, ProofNodeManager* pnm); |
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virtual ~SharedSolverDistributed() {} |
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//------------------------------------- initialization |
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/** |
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* Returns true if we need an equality engine, this has the same contract |
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* as Theory::needsEqualityEngine. |
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*/ |
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bool needsEqualityEngine(theory::EeSetupInfo& esi) override; |
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/** Set equality engine in the shared terms database */ |
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void setEqualityEngine(eq::EqualityEngine* ee) override; |
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//------------------------------------- end initialization |
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/** Assert equality to the shared terms database. */ |
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void assertSharedEquality(TNode equality, |
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bool polarity, |
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TNode reason) override; |
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/** |
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* Get equality status based on the equality engine of shared terms database |
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*/ |
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EqualityStatus getEqualityStatus(TNode a, TNode b) override; |
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/** Explain literal that was propagated by a theory or using shared terms |
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* database */ |
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TrustNode explain(TNode literal, TheoryId id) override; |
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protected: |
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/** If t is an equality, add it as one that may be propagated */ |
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void preRegisterSharedInternal(TNode t) override; |
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}; |
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} // namespace theory |
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} // namespace cvc5 |
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#endif /* CVC5__THEORY__SHARED_SOLVER_DISTRIBUTED__H */ |