Concrete_Expression_defs.hh

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/* Concrete_Expression class declaration.
   Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
   Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)

This file is part of the Parma Polyhedra Library (PPL).

The PPL is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

The PPL is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.

For the most up-to-date information see the Parma Polyhedra Library
site: http://bugseng.com/products/ppl/ . */

#ifndef PPL_Concrete_Expression_defs_hh
#define PPL_Concrete_Expression_defs_hh 1

#include "Concrete_Expression_types.hh"
#include "globals_defs.hh"
#include "Interval_defs.hh"

namespace Parma_Polyhedra_Library {

class Concrete_Expression_Type {
public:
  static Concrete_Expression_Type
  bounded_integer(Bounded_Integer_Type_Width width,
                  Bounded_Integer_Type_Representation representation,
                  Bounded_Integer_Type_Overflow overflow);

  static Concrete_Expression_Type
  floating_point(Floating_Point_Format format);

  bool is_bounded_integer() const;

  bool is_floating_point() const;

  Bounded_Integer_Type_Width bounded_integer_type_width() const;

  Bounded_Integer_Type_Representation
  bounded_integer_type_representation() const;

  Bounded_Integer_Type_Overflow
  bounded_integer_type_overflow() const;

  Floating_Point_Format floating_point_format() const;

  bool OK() const;

private:
  struct Implementation {
    bool bounded_integer:1;
    unsigned int bounded_integer_type_width:23;
    unsigned int bounded_integer_type_representation:2;
    unsigned int bounded_integer_type_overflow:2;
    unsigned int floating_point_format:4;
  };

  Concrete_Expression_Type(Implementation implementation);

  Implementation impl;
};

template <typename Target>
class Concrete_Expression_Common {
public:
  Concrete_Expression_Type type() const;

  Concrete_Expression_Kind kind() const;

  template <template <typename T> class Derived>
  bool is() const;

  template <template <typename T> class Derived>
  Derived<Target>* as();

  template <template <typename T> class Derived>
  const Derived<Target>* as() const;

};

template <typename Target>
class Binary_Operator_Common {
public:
  Concrete_Expression_BOP binary_operator() const;

  const Concrete_Expression<Target>* left_hand_side() const;

  const Concrete_Expression<Target>* right_hand_side() const;
};

template <typename Target>
class Unary_Operator_Common {
public:
  Concrete_Expression_UOP unary_operator() const;

  const Concrete_Expression<Target>* argument() const;
};

template <typename Target>
class Cast_Operator_Common {
  const Concrete_Expression<Target>* argument() const;
};

template <typename Target>
class Integer_Constant_Common {
};

template <typename Target>
class Floating_Point_Constant_Common {
};

template <typename Target>
class Approximable_Reference_Common {
};

} // namespace Parma_Polyhedra_Library

#include "Concrete_Expression_inlines.hh"

#endif // !defined(PPL_Concrete_Expression_defs_hh)