1
2// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
3// Hinnant & John Maddock 2000.
4// Use, modification and distribution are subject to the Boost Software License,
5// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt).
7//
8// See http://www.boost.org/libs/type_traits for most recent version including documentation.
9
10
11#ifndef BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED
12#define BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED
13
14#include <boost/type_traits/detail/config.hpp>
15#include <boost/detail/workaround.hpp>
16
17#if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(BOOST_TT_TEST_MS_FUNC_SIGS)
18 //
19 // Note: we use the "workaround" version for MSVC because it works for
20 // __stdcall etc function types, where as the partial specialisation
21 // version does not do so.
22 //
23# include <boost/type_traits/detail/is_mem_fun_pointer_impl.hpp>
24# include <boost/type_traits/remove_cv.hpp>
25# include <boost/type_traits/integral_constant.hpp>
26#else
27# include <boost/type_traits/is_reference.hpp>
28# include <boost/type_traits/is_array.hpp>
29# include <boost/type_traits/detail/yes_no_type.hpp>
30# include <boost/type_traits/detail/is_mem_fun_pointer_tester.hpp>
31#endif
32
33namespace boost {
34
35#if defined( __CODEGEARC__ )
36template <class T> struct is_member_function_pointer : public integral_constant<bool, __is_member_function_pointer( T )> {};
37#elif !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(BOOST_TT_TEST_MS_FUNC_SIGS)
38
39template <class T> struct is_member_function_pointer
40 : public ::boost::integral_constant<bool, ::boost::type_traits::is_mem_fun_pointer_impl<typename remove_cv<T>::type>::value>{};
41
42#else
43
44namespace detail {
45
46#ifndef __BORLANDC__
47
48template <bool>
49struct is_mem_fun_pointer_select
50{
51 template <class T> struct result_ : public false_type{};
52};
53
54template <>
55struct is_mem_fun_pointer_select<false>
56{
57 template <typename T> struct result_
58 {
59#if BOOST_WORKAROUND(BOOST_MSVC_FULL_VER, >= 140050000)
60#pragma warning(push)
61#pragma warning(disable:6334)
62#endif
63 static T* make_t;
64 typedef result_<T> self_type;
65
66 BOOST_STATIC_CONSTANT(
67 bool, value = (
68 1 == sizeof(::boost::type_traits::is_mem_fun_pointer_tester(self_type::make_t))
69 ));
70#if BOOST_WORKAROUND(BOOST_MSVC_FULL_VER, >= 140050000)
71#pragma warning(pop)
72#endif
73 };
74};
75
76template <typename T>
77struct is_member_function_pointer_impl
78 : public is_mem_fun_pointer_select<
79 ::boost::is_reference<T>::value || ::boost::is_array<T>::value>::template result_<T>{};
80
81template <typename T>
82struct is_member_function_pointer_impl<T&> : public false_type{};
83
84#else // Borland C++
85
86template <typename T>
87struct is_member_function_pointer_impl
88{
89 static T* m_t;
90 BOOST_STATIC_CONSTANT(
91 bool, value =
92 (1 == sizeof(type_traits::is_mem_fun_pointer_tester(m_t))) );
93};
94
95template <typename T>
96struct is_member_function_pointer_impl<T&>
97{
98 BOOST_STATIC_CONSTANT(bool, value = false);
99};
100
101#endif
102
103template<> struct is_member_function_pointer_impl<void> : public false_type{};
104#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
105template<> struct is_member_function_pointer_impl<void const> : public false_type{};
106template<> struct is_member_function_pointer_impl<void const volatile> : public false_type{};
107template<> struct is_member_function_pointer_impl<void volatile> : public false_type{};
108#endif
109
110} // namespace detail
111
112template <class T>
113struct is_member_function_pointer
114 : public integral_constant<bool, ::boost::detail::is_member_function_pointer_impl<T>::value>{};
115
116#endif
117
118} // namespace boost
119
120#endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED
121

source code of boost/boost/type_traits/is_member_function_pointer.hpp