1 /********************* */
2 /*! \file shared_solver_distributed.h
4 ** Top contributors (to current version):
6 ** This file is part of the CVC4 project.
7 ** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
8 ** in the top-level source directory and their institutional affiliations.
9 ** All rights reserved. See the file COPYING in the top-level source
10 ** directory for licensing information.\endverbatim
12 ** \brief Shared solver in the distributed architecture.
15 #include "cvc4_private.h"
17 #ifndef CVC4__THEORY__SHARED_SOLVER_DISTRIBUTED__H
18 #define CVC4__THEORY__SHARED_SOLVER_DISTRIBUTED__H
20 #include "expr/node.h"
21 #include "theory/shared_solver.h"
27 * The shared solver in the distributed architecture. This class uses the
28 * SharedTermsDatabase for implementing the core methods of a shared solver.
30 class SharedSolverDistributed
: public SharedSolver
33 SharedSolverDistributed(TheoryEngine
& te
, ProofNodeManager
* pnm
);
34 virtual ~SharedSolverDistributed() {}
35 //------------------------------------- initialization
37 * Returns true if we need an equality engine, this has the same contract
38 * as Theory::needsEqualityEngine.
40 bool needsEqualityEngine(theory::EeSetupInfo
& esi
) override
;
41 /** Set equality engine in the shared terms database */
42 void setEqualityEngine(eq::EqualityEngine
* ee
) override
;
43 //------------------------------------- end initialization
44 /** Assert equality to the shared terms database. */
45 void assertSharedEquality(TNode equality
,
47 TNode reason
) override
;
49 * Get equality status based on the equality engine of shared terms database
51 EqualityStatus
getEqualityStatus(TNode a
, TNode b
) override
;
52 /** Explain literal that was propagated by a theory or using shared terms
54 TrustNode
explain(TNode literal
, TheoryId id
) override
;
57 /** If t is an equality, add it as one that may be propagated */
58 void preRegisterSharedInternal(TNode t
) override
;
64 #endif /* CVC4__THEORY__SHARED_SOLVER_DISTRIBUTED__H */