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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.
* ****************************************************************************
*
* Setup information for an equality engine.
*/
#include "cvc5_private.h"
#ifndef CVC5__THEORY__EE_SETUP_INFO__H
#define CVC5__THEORY__EE_SETUP_INFO__H
#include <string>
namespace cvc5 {
namespace theory {
namespace eq {
class EqualityEngineNotify;
}
/**
* This is a helper class that encapsulates instructions for how a Theory
* wishes to initialize and setup notifications with its official equality
* engine, e.g. via a notification class (eq::EqualityEngineNotify).
*
* This includes (at a basic level) the arguments to the equality engine
* constructor that theories may wish to modify. This information is determined
* by the Theory during needsEqualityEngine.
*/
struct EeSetupInfo
{
EeSetupInfo()
: d_notify(nullptr),
d_constantsAreTriggers(true),
d_notifyNewClass(false),
d_notifyMerge(false),
d_notifyDisequal(false),
d_useMaster(false)
{
}
/** The notification class of the theory */
eq::EqualityEngineNotify* d_notify;
/** The name of the equality engine */
std::string d_name;
/** Constants are triggers */
bool d_constantsAreTriggers;
//-------------------------- fine grained notifications
/** Whether we need to be notified of new equivalence classes */
bool d_notifyNewClass;
/** Whether we need to be notified of merged equivalence classes */
bool d_notifyMerge;
/** Whether we need to be notified of disequal equivalence classes */
bool d_notifyDisequal;
//-------------------------- end fine grained notifications
/**
* Whether we want our state to use the master equality engine. This should
* be true exclusively for the theory of quantifiers.
*/
bool d_useMaster;
/** Does it need notifications when equivalence classes are created? */
bool needsNotifyNewClass() const { return d_notifyNewClass; }
/** Does it need notifications when equivalence classes are merged? */
bool needsNotifyMerge() const { return d_notifyMerge; }
/** Does it need notifications when disequalities are generated? */
bool needsNotifyDisequal() const { return d_notifyDisequal; }
};
} // namespace theory
} // namespace cvc5
#endif /* CVC5__THEORY__EE_SETUP_INFO__H */
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