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/********************* */
/*! \file registrar.h
** \verbatim
** Top contributors (to current version):
** Mathias Preiner, Liana Hadarean, Tim King
** This file is part of the CVC4 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.\endverbatim
**
** \brief Class to encapsulate preregistration duties
**
** Class to encapsulate preregistration duties. This class permits the
** CNF stream implementation to reach into the theory engine to
** preregister only those terms with an associated SAT literal (at the
** point when they get the SAT literal), without having to refer to the
** TheoryEngine class directly.
**/
#include "cvc4_private.h"
#ifndef CVC4__PROP__REGISTRAR_H
#define CVC4__PROP__REGISTRAR_H
namespace CVC4 {
namespace prop {
class Registrar {
public:
virtual ~Registrar() {}
virtual void preRegister(Node n) = 0;
};/* class Registrar */
class NullRegistrar : public Registrar {
public:
void preRegister(Node n) override {}
};/* class NullRegistrar */
}/* CVC4::prop namespace */
}/* CVC4 namespace */
#endif /* CVC4__PROP__REGISTRAR_H */
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