theory_simulate.h

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/*****************************************************************************/
/*!
 *\file theory_simulate.h
 *\brief Implementation of a symbolic simulator
 *
 * Author: Sergey Berezin
 *
 * Created: Tue Oct  7 10:13:15 2003
 *
 * <hr>
 * Copyright (C) 2003 by the Board of Trustees of Leland Stanford
 * Junior University and by New York University. 
 *
 * License to use, copy, modify, sell and/or distribute this software
 * and its documentation for any purpose is hereby granted without
 * royalty, subject to the terms and conditions defined in the \ref
 * LICENSE file provided with this distribution.  In particular:
 *
 * - The above copyright notice and this permission notice must appear
 * in all copies of the software and related documentation.
 *
 * - THE SOFTWARE IS PROVIDED "AS-IS", WITHOUT ANY WARRANTIES,
 * EXPRESSED OR IMPLIED.  USE IT AT YOUR OWN RISK.
 * 
 * <hr>
 * 
 */
/*****************************************************************************/

#ifndef _cvcl__include__theory_simulate_h_
#define _cvcl__include__theory_simulate_h_

#include "theory.h"

namespace CVCL {

class SimulateProofRules;

/*****************************************************************************/
/*!
 * \class TheorySimulate
 * \ingroup Theories
 * \brief "Theory" of symbolic simulation.
 *
 * Author: Sergey Berezin
 *
 * Created: Tue Oct  7 10:13:15 2003
 *
 * This theory owns the SIMULATE operator.  It's job is to replace the above
 * expressions by their definitions using rewrite rules.
 */
/*****************************************************************************/

class TheorySimulate: public Theory {
private:
  //! Our local proof rules
  SimulateProofRules* d_rules;
  //! Create proof rules for this theory
  SimulateProofRules* createProofRules();
public:
  //! Constructor
  TheorySimulate(TheoryCore* core);
  //! Destructor
  ~TheorySimulate();
  // The required Theory API functions
  void assertFact(const Theorem& e) { }
  void checkSat(bool fullEffort) { }
  Theorem rewrite(const Expr& e);
  void computeType(const Expr& e);
  Expr computeTCC(const Expr& e);
  Expr TheorySimulate::parseExprOp(const Expr& e);
  ExprStream& print(ExprStream& os, const Expr& e);
}; // end of class TheorySimulate

} // end of namespace CVCL

#endif

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