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/****************************************************************************** |
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* Top contributors (to current version): |
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* Kshitij Bansal, Aina Niemetz, 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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* Decision engine. |
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*/ |
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#include "decision/decision_engine.h" |
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#include "decision/decision_engine_old.h" |
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#include "options/decision_options.h" |
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#include "prop/sat_solver.h" |
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#include "util/resource_manager.h" |
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namespace cvc5 { |
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namespace decision { |
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DecisionEngine::DecisionEngine(context::Context* c, ResourceManager* rm) |
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: d_context(c), |
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d_resourceManager(rm), |
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d_cnfStream(nullptr), |
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d_satSolver(nullptr) |
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{ |
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} |
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void DecisionEngine::finishInit(CDCLTSatSolverInterface* ss, CnfStream* cs) |
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{ |
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d_satSolver = ss; |
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d_cnfStream = cs; |
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} |
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prop::SatLiteral DecisionEngine::getNext(bool& stopSearch) |
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{ |
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d_resourceManager->spendResource(Resource::DecisionStep); |
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return getNextInternal(stopSearch); |
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} |
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DecisionEngineEmpty::DecisionEngineEmpty(context::Context* sc, |
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ResourceManager* rm) |
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: DecisionEngine(sc, rm) |
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{ |
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} |
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bool DecisionEngineEmpty::isDone() { return false; } |
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void DecisionEngineEmpty::addAssertion(TNode assertion) {} |
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void DecisionEngineEmpty::addSkolemDefinition(TNode lem, TNode skolem) {} |
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prop::SatLiteral DecisionEngineEmpty::getNextInternal(bool& stopSearch) |
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{ |
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return undefSatLiteral; |
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} |
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} // namespace decision |
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} // namespace cvc5 |