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/****************************************************************************** |
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* Top contributors (to current version): |
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* Mudathir Mohamed, Aina Niemetz |
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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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* Implementation of bags term registry object. |
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*/ |
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#include "theory/bags/term_registry.h" |
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#include "expr/emptyset.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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using namespace std; |
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using namespace cvc5::kind; |
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namespace cvc5 { |
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namespace theory { |
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namespace bags { |
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TermRegistry::TermRegistry(SolverState& state, InferenceManager& im) |
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: d_im(im), |
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d_proxy(state.getUserContext()), |
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d_proxy_to_term(state.getUserContext()) |
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{ |
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} |
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Node TermRegistry::getEmptyBag(TypeNode tn) |
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{ |
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std::map<TypeNode, Node>::iterator it = d_emptybag.find(tn); |
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if (it != d_emptybag.end()) |
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{ |
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return it->second; |
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} |
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Node n = NodeManager::currentNM()->mkConst(EmptySet(tn)); |
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d_emptybag[tn] = n; |
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return n; |
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} |
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} // namespace bags |
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} // namespace theory |
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} // namespace cvc5 |