Chris@16: /////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: // (C) Copyright Joaquin M Lopez Munoz  2006-2013
Chris@101: // (C) Copyright Ion Gaztanaga          2014-2014
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0.
Chris@16: //    (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //          http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/intrusive for documentation.
Chris@16: //
Chris@16: /////////////////////////////////////////////////////////////////////////////
Chris@16: 
Chris@16: #ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
Chris@16: #define BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
Chris@16: 
Chris@101: #ifndef BOOST_CONFIG_HPP
Chris@101: #  include <boost/config.hpp>
Chris@101: #endif
Chris@101: 
Chris@101: #if defined(BOOST_HAS_PRAGMA_ONCE)
Chris@101: #  pragma once
Chris@101: #endif
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace intrusive {
Chris@16: namespace detail {
Chris@16: 
Chris@101: #if defined(BOOST_MSVC) || defined(__BORLANDC_)
Chris@101: #define BOOST_INTRUSIVE_TT_DECL __cdecl
Chris@101: #else
Chris@101: #define BOOST_INTRUSIVE_TT_DECL
Chris@101: #endif
Chris@101: 
Chris@101: #if defined(_MSC_EXTENSIONS) && !defined(__BORLAND__) && !defined(_WIN64) && !defined(_M_ARM) && !defined(UNDER_CE)
Chris@101: #define BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
Chris@101: #endif
Chris@101: 
Chris@101: template <typename T>
Chris@101: struct is_unary_or_binary_function_impl
Chris@101: {  static const bool value = false; };
Chris@101: 
Chris@101: // see boost ticket #4094
Chris@101: // avoid duplicate definitions of is_unary_or_binary_function_impl
Chris@101: #ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
Chris@101: 
Chris@101: template <typename R>
Chris@101: struct is_unary_or_binary_function_impl<R (*)()>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: template <typename R>
Chris@101: struct is_unary_or_binary_function_impl<R (*)(...)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
Chris@101: 
Chris@101: template <typename R>
Chris@101: struct is_unary_or_binary_function_impl<R (__stdcall*)()>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #ifndef _MANAGED
Chris@101: 
Chris@101: template <typename R>
Chris@101: struct is_unary_or_binary_function_impl<R (__fastcall*)()>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #endif
Chris@101: 
Chris@101: template <typename R>
Chris@101: struct is_unary_or_binary_function_impl<R (__cdecl*)()>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: template <typename R>
Chris@101: struct is_unary_or_binary_function_impl<R (__cdecl*)(...)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #endif
Chris@101: 
Chris@101: // see boost ticket #4094
Chris@101: // avoid duplicate definitions of is_unary_or_binary_function_impl
Chris@101: #ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
Chris@101: 
Chris@101: template <typename R, class T0>
Chris@101: struct is_unary_or_binary_function_impl<R (*)(T0)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: template <typename R, class T0>
Chris@101: struct is_unary_or_binary_function_impl<R (*)(T0...)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
Chris@101: 
Chris@101: template <typename R, class T0>
Chris@101: struct is_unary_or_binary_function_impl<R (__stdcall*)(T0)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #ifndef _MANAGED
Chris@101: 
Chris@101: template <typename R, class T0>
Chris@101: struct is_unary_or_binary_function_impl<R (__fastcall*)(T0)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #endif
Chris@101: 
Chris@101: template <typename R, class T0>
Chris@101: struct is_unary_or_binary_function_impl<R (__cdecl*)(T0)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: template <typename R, class T0>
Chris@101: struct is_unary_or_binary_function_impl<R (__cdecl*)(T0...)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #endif
Chris@101: 
Chris@101: // see boost ticket #4094
Chris@101: // avoid duplicate definitions of is_unary_or_binary_function_impl
Chris@101: #ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
Chris@101: 
Chris@101: template <typename R, class T0, class T1>
Chris@101: struct is_unary_or_binary_function_impl<R (*)(T0, T1)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: template <typename R, class T0, class T1>
Chris@101: struct is_unary_or_binary_function_impl<R (*)(T0, T1...)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
Chris@101: 
Chris@101: template <typename R, class T0, class T1>
Chris@101: struct is_unary_or_binary_function_impl<R (__stdcall*)(T0, T1)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #ifndef _MANAGED
Chris@101: 
Chris@101: template <typename R, class T0, class T1>
Chris@101: struct is_unary_or_binary_function_impl<R (__fastcall*)(T0, T1)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: #endif
Chris@101: 
Chris@101: template <typename R, class T0, class T1>
Chris@101: struct is_unary_or_binary_function_impl<R (__cdecl*)(T0, T1)>
Chris@101: {  static const bool value = true;  };
Chris@101: 
Chris@101: template <typename R, class T0, class T1>
Chris@101: struct is_unary_or_binary_function_impl<R (__cdecl*)(T0, T1...)>
Chris@101: {  static const bool value = true;  };
Chris@101: #endif
Chris@101: 
Chris@101: template <typename T>
Chris@101: struct is_unary_or_binary_function_impl<T&>
Chris@101: {  static const bool value = false; };
Chris@101: 
Chris@101: template<typename T>
Chris@101: struct is_unary_or_binary_function : is_unary_or_binary_function_impl<T>
Chris@101: {};
Chris@101: 
Chris@16: template<typename T, bool IsEmpty = true>
Chris@16: class ebo_functor_holder_impl
Chris@16: {
Chris@16:    public:
Chris@16:    ebo_functor_holder_impl()
Chris@16:    {}
Chris@16:    ebo_functor_holder_impl(const T& t)
Chris@16:       :  t_(t)
Chris@16:    {}
Chris@16:    template<class Arg1, class Arg2>
Chris@16:    ebo_functor_holder_impl(const Arg1& arg1, const Arg2& arg2)
Chris@16:       :  t_(arg1, arg2)
Chris@16:    {}
Chris@16: 
Chris@16:    T&       get(){return t_;}
Chris@16:    const T& get()const{return t_;}
Chris@16: 
Chris@16:    private:
Chris@16:    T t_;
Chris@16: };
Chris@16: 
Chris@16: template<typename T>
Chris@16: class ebo_functor_holder_impl<T, false>
Chris@16:    :  public T
Chris@16: {
Chris@16:    public:
Chris@16:    ebo_functor_holder_impl()
Chris@16:    {}
Chris@101:    explicit ebo_functor_holder_impl(const T& t)
Chris@16:       :  T(t)
Chris@16:    {}
Chris@16:    template<class Arg1, class Arg2>
Chris@16:    ebo_functor_holder_impl(const Arg1& arg1, const Arg2& arg2)
Chris@16:       :  T(arg1, arg2)
Chris@16:    {}
Chris@16: 
Chris@16:    T&       get(){return *this;}
Chris@16:    const T& get()const{return *this;}
Chris@16: };
Chris@16: 
Chris@16: template<typename T>
Chris@16: class ebo_functor_holder
Chris@16:    :  public ebo_functor_holder_impl<T, is_unary_or_binary_function<T>::value>
Chris@16: {
Chris@16:    private:
Chris@16:    typedef ebo_functor_holder_impl<T, is_unary_or_binary_function<T>::value> super;
Chris@16: 
Chris@16:    public:
Chris@16:    ebo_functor_holder(){}
Chris@101:    explicit ebo_functor_holder(const T& t)
Chris@16:       :  super(t)
Chris@16:    {}
Chris@16: 
Chris@16:    template<class Arg1, class Arg2>
Chris@16:    ebo_functor_holder(const Arg1& arg1, const Arg2& arg2)
Chris@16:       :  super(arg1, arg2)
Chris@16:    {}
Chris@16: 
Chris@16:    ebo_functor_holder& operator=(const ebo_functor_holder& x)
Chris@16:    {
Chris@16:       this->get()=x.get();
Chris@16:       return *this;
Chris@16:    }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: }  //namespace detail {
Chris@16: }  //namespace intrusive {
Chris@16: }  //namespace boost {
Chris@16: 
Chris@16: #endif   //#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP