/******************************************************************************

 * Top contributors (to current version):

 *   Aina Niemetz, Mathias Preiner

 *

 * 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.

 * ****************************************************************************

 *

 * ITE simplification preprocessing pass.

 */

#include "cvc5_private.h"

#ifndef CVC5__PREPROCESSING__PASSES__ITE_SIMP_H

#define CVC5__PREPROCESSING__PASSES__ITE_SIMP_H

#include "preprocessing/preprocessing_pass.h"

#include "preprocessing/util/ite_utilities.h"

#include "util/statistics_stats.h"

namespace cvc5 {

namespace preprocessing {

namespace passes {

{

 public:

   ITESimp(PreprocessingPassContext* preprocContext);

 protected:

   PreprocessingPassResult applyInternal(

       AssertionPipeline* assertionsToPreprocess) override;

 private:

  struct Statistics

  {

    IntStat d_arithSubstitutionsAdded;

    Statistics();

  };

  Node simpITE(util::ITEUtilities* ite_utils, TNode assertion);

  bool doneSimpITE(AssertionPipeline *assertionsToPreprocesss);

  /** A collection of ite preprocessing passes. */

  util::ITEUtilities d_iteUtilities;

  Statistics d_statistics;

};

}  // namespace passes

}  // namespace preprocessing

}  // namespace cvc5

#endif