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/****************************************************************************** |
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* Top contributors (to current version): |
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* Aina Niemetz, Andrew Reynolds, Mathias Preiner |
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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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* The preprocessing pass context for passes |
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* |
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* Implementation of the preprocessing pass context for passes. This context |
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* allows preprocessing passes to retrieve information besides the assertions |
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* from the solver and interact with it without getting full access. |
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*/ |
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#include "cvc5_private.h" |
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#ifndef CVC5__PREPROCESSING__PREPROCESSING_PASS_CONTEXT_H |
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#define CVC5__PREPROCESSING__PREPROCESSING_PASS_CONTEXT_H |
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#include "context/cdhashset.h" |
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#include "preprocessing/learned_literal_manager.h" |
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#include "smt/env_obj.h" |
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#include "theory/logic_info.h" |
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#include "theory/trust_substitutions.h" |
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#include "util/resource_manager.h" |
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namespace cvc5 { |
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class Env; |
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class TheoryEngine; |
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namespace theory::booleans { |
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class CircuitPropagator; |
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} |
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namespace prop { |
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class PropEngine; |
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} |
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namespace preprocessing { |
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class PreprocessingPassContext : protected EnvObj |
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{ |
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public: |
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/** Constructor. */ |
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PreprocessingPassContext( |
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Env& env, |
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TheoryEngine* te, |
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prop::PropEngine* pe, |
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theory::booleans::CircuitPropagator* circuitPropagator); |
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/** Get the associated Environment. */ |
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Env& getEnv() { return d_env; } |
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/** Get the associated TheoryEngine. */ |
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TheoryEngine* getTheoryEngine() const; |
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/** Get the associated Propengine. */ |
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prop::PropEngine* getPropEngine() const; |
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/** Get the associated circuit propagator. */ |
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theory::booleans::CircuitPropagator* getCircuitPropagator() const |
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{ |
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return d_circuitPropagator; |
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} |
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/** |
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* Get the (user-context-dependent) set of symbols that occur in at least one |
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* assertion in the current user context. |
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*/ |
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const context::CDHashSet<Node>& getSymsInAssertions() const |
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{ |
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return d_symsInAssertions; |
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} |
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/** Spend resource in the resource manager of the associated Env. */ |
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void spendResource(Resource r); |
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/** Get a reference to the top-level substitution map */ |
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theory::TrustSubstitutionMap& getTopLevelSubstitutions() const; |
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/** Record symbols in assertions |
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* |
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* This method is called when a set of assertions is finalized. It adds |
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* the symbols to d_symsInAssertions that occur in assertions. |
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*/ |
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void recordSymbolsInAssertions(const std::vector<Node>& assertions); |
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/** |
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* Notify learned literal. This method is called when a literal is |
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* entailed by the current set of assertions. |
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* |
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* It should be rewritten, and such that top level substitutions have |
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* been applied to it. |
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*/ |
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void notifyLearnedLiteral(TNode lit); |
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/** |
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* Get the learned literals |
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*/ |
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std::vector<Node> getLearnedLiterals() const; |
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/** |
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* Add substitution to the top-level substitutions, which also as a |
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* consequence is used by the theory model. |
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* @param lhs The node replaced by node 'rhs' |
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* @param rhs The node to substitute node 'lhs' |
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* @param pg The proof generator that can provide a proof of lhs == rhs. |
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*/ |
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void addSubstitution(const Node& lhs, |
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const Node& rhs, |
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ProofGenerator* pg = nullptr); |
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/** Same as above, with proof id */ |
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void addSubstitution(const Node& lhs, |
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const Node& rhs, |
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PfRule id, |
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const std::vector<Node>& args); |
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private: |
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/** Pointer to the theory engine associated with this context. */ |
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TheoryEngine* d_theoryEngine; |
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/** Pointer to the prop engine associated with this context. */ |
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prop::PropEngine* d_propEngine; |
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/** Instance of the circuit propagator */ |
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theory::booleans::CircuitPropagator* d_circuitPropagator; |
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/** |
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* The learned literal manager |
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*/ |
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LearnedLiteralManager d_llm; |
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/** |
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* The (user-context-dependent) set of symbols that occur in at least one |
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* assertion in the current user context. |
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*/ |
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context::CDHashSet<Node> d_symsInAssertions; |
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}; // class PreprocessingPassContext |
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} // namespace preprocessing |
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} // namespace cvc5 |
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#endif /* CVC5__PREPROCESSING__PREPROCESSING_PASS_CONTEXT_H */ |