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/******************************************************************************
* Top contributors (to current version):
* Andrew Reynolds
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 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.
* ****************************************************************************
*
* Implementation of enumerator for regular expressions.
*/
#include "theory/strings/regexp_enumerator.h"
namespace cvc5 {
namespace theory {
namespace strings {
RegExpEnumerator::RegExpEnumerator(TypeNode type, TypeEnumeratorProperties* tep)
: TypeEnumeratorBase<RegExpEnumerator>(type), d_senum(type, tep)
{
}
RegExpEnumerator::RegExpEnumerator(const RegExpEnumerator& enumerator)
: TypeEnumeratorBase<RegExpEnumerator>(enumerator.getType()),
d_senum(enumerator.d_senum)
{
}
Node RegExpEnumerator::operator*()
{
NodeManager* nm = NodeManager::currentNM();
return nm->mkNode(kind::STRING_TO_REGEXP, *d_senum);
}
RegExpEnumerator& RegExpEnumerator::operator++()
{
++d_senum;
return *this;
}
bool RegExpEnumerator::isFinished() { return d_senum.isFinished(); }
} // namespace strings
} // namespace theory
} // namespace cvc5
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