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/********************* */
/*! \file synth_rew_rules.h
** \verbatim
** Top contributors (to current version):
** Andrew Reynolds
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 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 A technique for synthesizing candidate rewrites of the form t1 = t2,
** where t1 and t2 are subterms of the input.
**/
#ifndef __CVC4__PREPROCESSING__PASSES__SYNTH_REW_RULES_H
#define __CVC4__PREPROCESSING__PASSES__SYNTH_REW_RULES_H
#include "preprocessing/preprocessing_pass.h"
#include "preprocessing/preprocessing_pass_context.h"
namespace CVC4 {
namespace preprocessing {
namespace passes {
/**
* This class computes candidate rewrite rules of the form t1 = t2, where
* t1 and t2 are subterms of assertionsToPreprocess. It prints
* "candidate-rewrite" messages on the output stream of options.
*
* In contrast to other preprocessing passes, this pass does not modify
* the set of assertions.
*/
class SynthRewRulesPass : public PreprocessingPass
{
public:
SynthRewRulesPass(PreprocessingPassContext* preprocContext);
protected:
PreprocessingPassResult applyInternal(
AssertionPipeline* assertionsToPreprocess) override;
};
} // namespace passes
} // namespace preprocessing
} // namespace CVC4
#endif /* __CVC4__PREPROCESSING__PASSES__SYNTH_REW_RULES_H */
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