Line data    Source code

       1             : // Author(s): Jeroen Keiren
       2             : // Copyright: see the accompanying file COPYING or copy at
       3             : // https://github.com/mCRL2org/mCRL2/blob/master/COPYING
       4             : //
       5             : // Distributed under the Boost Software License, Version 1.0.
       6             : // (See accompanying file LICENSE_1_0.txt or copy at
       7             : // http://www.boost.org/LICENSE_1_0.txt)
       8             : //
       9             : /// \file mcrl2/data/abstraction.h
      10             : /// \brief The class abstraction.
      11             : 
      12             : #ifndef MCRL2_DATA_ABSTRACTION_H
      13             : #define MCRL2_DATA_ABSTRACTION_H
      14             : 
      15             : #include "mcrl2/data/binder_type.h"
      16             : #include "mcrl2/data/data_expression.h"
      17             : 
      18             : namespace mcrl2
      19             : {
      20             : 
      21             : namespace data
      22             : {
      23             : 
      24             : /// \brief An abstraction expression.
      25             : class abstraction: public data_expression
      26             : {
      27             :   public:
      28             :     /// \brief Default constructor.
      29           6 :     abstraction()
      30           6 :       : data_expression(core::detail::default_values::Binder)
      31           6 :     {}
      32             : 
      33             :     /// \brief Constructor.
      34             :     /// \param term A term
      35      105409 :     explicit abstraction(const atermpp::aterm& term)
      36      105409 :       : data_expression(term)
      37             :     {
      38      105409 :       assert(core::detail::check_term_Binder(*this));
      39      105409 :     }
      40             : 
      41             :     /// \brief Constructor.
      42       26948 :     abstraction(const binder_type& binding_operator, const variable_list& variables, const data_expression& body)
      43       26948 :       : data_expression(atermpp::aterm_appl(core::detail::function_symbol_Binder(), binding_operator, variables, body))
      44       26948 :     {}
      45             : 
      46             :     /// \brief Constructor.
      47             :     template <typename Container>
      48          11 :     abstraction(const binder_type& binding_operator, const Container& variables, const data_expression& body, typename atermpp::enable_if_container<Container, variable>::type* = nullptr)
      49          11 :       : data_expression(atermpp::aterm_appl(core::detail::function_symbol_Binder(), binding_operator, variable_list(variables.begin(), variables.end()), body))
      50          11 :     {}
      51             : 
      52             :     /// Move semantics
      53           4 :     abstraction(const abstraction&) noexcept = default;
      54             :     abstraction(abstraction&&) noexcept = default;
      55             :     abstraction& operator=(const abstraction&) noexcept = default;
      56             :     abstraction& operator=(abstraction&&) noexcept = default;
      57             : 
      58       40147 :     const binder_type& binding_operator() const
      59             :     {
      60       40147 :       return atermpp::down_cast<const binder_type>((*this)[0]);
      61             :     }
      62             : 
      63       44576 :     const variable_list& variables() const
      64             :     {
      65       44576 :       return atermpp::down_cast<const variable_list>((*this)[1]);
      66             :     }
      67             : 
      68       42656 :     const data_expression& body() const
      69             :     {
      70       42656 :       return atermpp::down_cast<const data_expression>((*this)[2]);
      71             :     }
      72             : };
      73             : 
      74             : template <class... ARGUMENTS>
      75       23669 : void make_abstraction(atermpp::aterm& result, ARGUMENTS... arguments)
      76             : {
      77       23669 :   make_term_appl(result, core::detail::function_symbol_Binder(), arguments...);
      78       23669 : }
      79             : 
      80             : /* inline void make_abstraction(atermpp::aterm& result, const binder_type& binding_operator, const variable_list& variables, const data_expression& body)
      81             : {
      82             :   make_term_appl(result, core::detail::function_symbol_Binder(), binding_operator, variables, body);
      83             : } */
      84             : 
      85             : //--- start generated class abstraction ---//
      86             : // prototype declaration
      87             : std::string pp(const abstraction& x);
      88             : 
      89             : /// \\brief Outputs the object to a stream
      90             : /// \\param out An output stream
      91             : /// \\param x Object x
      92             : /// \\return The output stream
      93             : inline
      94             : std::ostream& operator<<(std::ostream& out, const abstraction& x)
      95             : {
      96             :   return out << data::pp(x);
      97             : }
      98             : 
      99             : /// \\brief swap overload
     100             : inline void swap(abstraction& t1, abstraction& t2)
     101             : {
     102             :   t1.swap(t2);
     103             : }
     104             : //--- end generated class abstraction ---//
     105             : 
     106             : } // namespace data
     107             : 
     108             : } // namespace mcrl2
     109             : 
     110             : #endif // MCRL2_DATA_ABSTRACTION_H
     111             :