abstraction.h

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// Author(s): Jeroen Keiren
// Copyright: see the accompanying file COPYING or copy at
// https://github.com/mCRL2org/mCRL2/blob/master/COPYING
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
 
#ifndef MCRL2_DATA_ABSTRACTION_H
#define MCRL2_DATA_ABSTRACTION_H
 
#include "mcrl2/data/binder_type.h"
#include "mcrl2/data/data_expression.h"
 
namespace mcrl2
{
 
namespace data
{
 
class abstraction: public data_expression
{
  public:
    abstraction()
      : data_expression(core::detail::default_values::Binder)
    {}
 
    explicit abstraction(const atermpp::aterm& term)
      : data_expression(term)
    {
      assert(core::detail::check_term_Binder(*this));
    }
 
    abstraction(const binder_type& binding_operator, const variable_list& variables, const data_expression& body)
      : data_expression(atermpp::aterm(core::detail::function_symbol_Binder(), binding_operator, variables, body))
    {}
 
    template <typename Container>
    abstraction(const binder_type& binding_operator, const Container& variables, const data_expression& body, typename atermpp::enable_if_container<Container, variable>::type* = nullptr)
      : data_expression(atermpp::aterm(core::detail::function_symbol_Binder(), binding_operator, variable_list(variables.begin(), variables.end()), body))
    {}
 
    abstraction(const abstraction&) noexcept = default;
    abstraction(abstraction&&) noexcept = default;
    abstraction& operator=(const abstraction&) noexcept = default;
    abstraction& operator=(abstraction&&) noexcept = default;
 
    const binder_type& binding_operator() const
    {
      return atermpp::down_cast<const binder_type>((*this)[0]);
    }
 
    const variable_list& variables() const
    {
      return atermpp::down_cast<const variable_list>((*this)[1]);
    }
 
    const data_expression& body() const
    {
      return atermpp::down_cast<const data_expression>((*this)[2]);
    }
};
 
template <class... ARGUMENTS>
void make_abstraction(atermpp::aterm& result, ARGUMENTS... arguments)
{
  make_term_appl(result, core::detail::function_symbol_Binder(), arguments...);
}
 
/* inline void make_abstraction(atermpp::aterm& result, const binder_type& binding_operator, const variable_list& variables, const data_expression& body)
{
  make_term_appl(result, core::detail::function_symbol_Binder(), binding_operator, variables, body);
} */
 
//--- start generated class abstraction ---//
// prototype declaration
std::string pp(const abstraction& x);
 
inline
std::ostream& operator<<(std::ostream& out, const abstraction& x)
{
  return out << data::pp(x);
}
 
inline void swap(abstraction& t1, abstraction& t2)
{
  t1.swap(t2);
}
//--- end generated class abstraction ---//
 
} // namespace data
 
} // namespace mcrl2
 
#endif // MCRL2_DATA_ABSTRACTION_H