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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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* Learned literal manager |
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*/ |
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#include "preprocessing/learned_literal_manager.h" |
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#include "smt/env.h" |
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#include "theory/rewriter.h" |
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#include "theory/trust_substitutions.h" |
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namespace cvc5 { |
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namespace preprocessing { |
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LearnedLiteralManager::LearnedLiteralManager(Env& env) |
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: EnvObj(env), d_learnedLits(userContext()) |
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{ |
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} |
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void LearnedLiteralManager::notifyLearnedLiteral(TNode lit) |
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{ |
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d_learnedLits.insert(lit); |
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Trace("pp-llm") << "LLM:notifyLearnedLiteral: " << lit << std::endl; |
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} |
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std::vector<Node> LearnedLiteralManager::getLearnedLiterals() const |
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{ |
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theory::TrustSubstitutionMap& tls = d_env.getTopLevelSubstitutions(); |
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std::vector<Node> currLearnedLits; |
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for (const auto& lit: d_learnedLits) |
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{ |
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// update based on substitutions |
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Node tlsNode = tls.get().apply(lit); |
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tlsNode = rewrite(tlsNode); |
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currLearnedLits.push_back(tlsNode); |
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Trace("pp-llm") << "Learned literal : " << tlsNode << " from " << lit |
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<< std::endl; |
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} |
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return currLearnedLits; |
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} |
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} // namespace preprocessing |
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} // namespace cvc5 |