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/****************************************************************************** |
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* Top contributors (to current version): |
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* Mudathir Mohamed, Haniel Barbosa |
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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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* Bags theory. |
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*/ |
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#include "cvc5_private.h" |
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#ifndef CVC5__THEORY__BAGS__THEORY_BAGS_H |
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#define CVC5__THEORY__BAGS__THEORY_BAGS_H |
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#include "theory/bags/bag_solver.h" |
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#include "theory/bags/bags_rewriter.h" |
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#include "theory/bags/bags_statistics.h" |
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#include "theory/bags/inference_generator.h" |
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#include "theory/bags/inference_manager.h" |
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#include "theory/bags/solver_state.h" |
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#include "theory/bags/term_registry.h" |
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#include "theory/theory.h" |
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#include "theory/theory_eq_notify.h" |
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namespace cvc5 { |
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namespace theory { |
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namespace bags { |
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class TheoryBags : public Theory |
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{ |
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public: |
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/** Constructs a new instance of TheoryBags w.r.t. the provided contexts. */ |
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TheoryBags(context::Context* c, |
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context::UserContext* u, |
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OutputChannel& out, |
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Valuation valuation, |
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const LogicInfo& logicInfo, |
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ProofNodeManager* pnm); |
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~TheoryBags() override; |
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//--------------------------------- initialization |
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/** get the official theory rewriter of this theory */ |
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TheoryRewriter* getTheoryRewriter() override; |
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/** get the proof checker of this theory */ |
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ProofRuleChecker* getProofChecker() override; |
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/** |
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* Returns true if we need an equality engine. If so, we initialize the |
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* information regarding how it should be setup. For details, see the |
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* documentation in Theory::needsEqualityEngine. |
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*/ |
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bool needsEqualityEngine(EeSetupInfo& esi) override; |
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/** finish initialization */ |
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void finishInit() override; |
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//--------------------------------- end initialization |
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//--------------------------------- standard check |
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/** Post-check, called after the fact queue of the theory is processed. */ |
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void postCheck(Effort effort) override; |
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/** Notify fact */ |
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void notifyFact(TNode atom, bool pol, TNode fact, bool isInternal) override; |
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//--------------------------------- end standard check |
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/** Collect model values in m based on the relevant terms given by termSet */ |
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bool collectModelValues(TheoryModel* m, |
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const std::set<Node>& termSet) override; |
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TrustNode explain(TNode) override; |
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Node getModelValue(TNode) override; |
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std::string identify() const override { return "THEORY_BAGS"; } |
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void preRegisterTerm(TNode n) override; |
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void presolve() override; |
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private: |
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/** Functions to handle callbacks from equality engine */ |
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class NotifyClass : public TheoryEqNotifyClass |
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{ |
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public: |
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NotifyClass(TheoryBags& theory, TheoryInferenceManager& inferenceManager) |
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: TheoryEqNotifyClass(inferenceManager), d_theory(theory) |
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{ |
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} |
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void eqNotifyNewClass(TNode n) override; |
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void eqNotifyMerge(TNode n1, TNode n2) override; |
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void eqNotifyDisequal(TNode n1, TNode n2, TNode reason) override; |
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private: |
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TheoryBags& d_theory; |
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}; |
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/** The state of the bags solver at full effort */ |
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SolverState d_state; |
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/** The inference manager */ |
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InferenceManager d_im; |
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/** The inference generator */ |
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InferenceGenerator d_ig; |
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/** Instance of the above class */ |
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NotifyClass d_notify; |
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/** Statistics for the theory of bags. */ |
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BagsStatistics d_statistics; |
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/** The theory rewriter for this theory. */ |
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BagsRewriter d_rewriter; |
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/** The term registry for this theory */ |
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TermRegistry d_termReg; |
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/** the main solver for bags */ |
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BagSolver d_solver; |
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void eqNotifyNewClass(TNode n); |
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void eqNotifyMerge(TNode n1, TNode n2); |
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void eqNotifyDisequal(TNode t1, TNode t2, TNode reason); |
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}; /* class TheoryBags */ |
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} // namespace bags |
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} // namespace theory |
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} // namespace cvc5 |
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#endif /* CVC5__THEORY__BAGS__THEORY_BAGS_H */ |