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/********************* */
/*! \file term_registry.cpp
** \verbatim
** Top contributors (to current version):
** Mudathir Mohamed, Morgan Deters, Dejan Jovanovic
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
** in the top-level source directory and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Implementation of bags term registry object
**/
#include "theory/bags/term_registry.h"
using namespace std;
using namespace CVC4::kind;
namespace CVC4 {
namespace theory {
namespace bags {
TermRegistry::TermRegistry(SolverState& state, InferenceManager& im)
: d_im(im),
d_proxy(state.getUserContext()),
d_proxy_to_term(state.getUserContext())
{
}
Node TermRegistry::getEmptyBag(TypeNode tn)
{
std::map<TypeNode, Node>::iterator it = d_emptybag.find(tn);
if (it != d_emptybag.end())
{
return it->second;
}
Node n = NodeManager::currentNM()->mkConst(EmptySet(tn));
d_emptybag[tn] = n;
return n;
}
} // namespace bags
} // namespace theory
} // namespace CVC4
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