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