LCOV - code coverage report
Current view: top level - data/include/mcrl2/data - exists.h (source / functions) Hit Total Coverage
Test: mcrl2_coverage.info.cleaned Lines: 13 15 86.7 %
Date: 2024-04-19 03:43:27 Functions: 11 70 15.7 %
Legend: Lines: hit not hit

          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/exists.h
      10             : /// \brief The class exists.
      11             : 
      12             : #ifndef MCRL2_DATA_EXISTS_H
      13             : #define MCRL2_DATA_EXISTS_H
      14             : 
      15             : #include "mcrl2/data/abstraction.h"
      16             : 
      17             : namespace mcrl2
      18             : {
      19             : 
      20             : namespace data
      21             : {
      22             : 
      23             : /// \brief existential quantification.
      24             : ///
      25             : class exists: public abstraction
      26             : {
      27             :   public:
      28             : 
      29             :     /// Constructor.
      30             :     ///
      31             :     /// \param[in] d An aterm.
      32             :     /// \pre d has the internal structure of an abstraction.
      33             :     /// \pre d is an existential quantification.
      34         262 :     explicit exists(const aterm& d)
      35         262 :       : abstraction(d)
      36             :     {
      37         262 :       assert(is_abstraction(d));
      38         262 :       assert(abstraction(d).binding_operator() == exists_binder());
      39         262 :     }
      40             : 
      41             :     /// Constructor.
      42             :     ///
      43             :     /// \param[in] variables A nonempty list of binding variables (objects of type variable).
      44             :     /// \param[in] body The body of the exists abstraction.
      45             :     /// \pre variables is not empty.
      46             :     template < typename Container >
      47          74 :     exists(const Container& variables,
      48             :            const data_expression& body,
      49             :            typename atermpp::enable_if_container< Container, variable >::type* = nullptr)
      50          74 :       : abstraction(exists_binder(), variables, body)
      51             :     {
      52          74 :       assert(!variables.empty());
      53          74 :     }
      54             : 
      55             :     /// Move semantics
      56           2 :     exists(const exists&) noexcept = default;
      57             :     exists(exists&&) noexcept = default;
      58             :     exists& operator=(const exists&) noexcept = default;
      59             :     exists& operator=(exists&&) noexcept = default;
      60             : 
      61             : }; // class exists
      62             : 
      63             : template <class... ARGUMENTS>
      64         188 : void make_exists(atermpp::aterm& result, ARGUMENTS... arguments)
      65             : {
      66         188 :   make_abstraction(result, exists_binder(), arguments...);
      67         188 : }
      68             : 
      69             : 
      70             : //--- start generated class exists ---//
      71             : // prototype declaration
      72             : std::string pp(const exists& x);
      73             : 
      74             : /// \\brief Outputs the object to a stream
      75             : /// \\param out An output stream
      76             : /// \\param x Object x
      77             : /// \\return The output stream
      78             : inline
      79           0 : std::ostream& operator<<(std::ostream& out, const exists& x)
      80             : {
      81           0 :   return out << data::pp(x);
      82             : }
      83             : 
      84             : /// \\brief swap overload
      85             : inline void swap(exists& t1, exists& t2)
      86             : {
      87             :   t1.swap(t2);
      88             : }
      89             : //--- end generated class exists ---//
      90             : 
      91             : } // namespace data
      92             : 
      93             : } // namespace mcrl2
      94             : 
      95             : #endif // MCRL2_DATA_EXISTS_H
      96             : 

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