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 | |
33 | namespace boost { |
34 | |
35 | #if defined( __CODEGEARC__ ) |
36 | template <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 | |
39 | template <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 | |
44 | namespace detail { |
45 | |
46 | #ifndef __BORLANDC__ |
47 | |
48 | template <bool> |
49 | struct is_mem_fun_pointer_select |
50 | { |
51 | template <class T> struct result_ : public false_type{}; |
52 | }; |
53 | |
54 | template <> |
55 | struct 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 | |
76 | template <typename T> |
77 | struct 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 | |
81 | template <typename T> |
82 | struct is_member_function_pointer_impl<T&> : public false_type{}; |
83 | |
84 | #else // Borland C++ |
85 | |
86 | template <typename T> |
87 | struct 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 | |
95 | template <typename T> |
96 | struct is_member_function_pointer_impl<T&> |
97 | { |
98 | BOOST_STATIC_CONSTANT(bool, value = false); |
99 | }; |
100 | |
101 | #endif |
102 | |
103 | template<> struct is_member_function_pointer_impl<void> : public false_type{}; |
104 | #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS |
105 | template<> struct is_member_function_pointer_impl<void const> : public false_type{}; |
106 | template<> struct is_member_function_pointer_impl<void const volatile> : public false_type{}; |
107 | template<> struct is_member_function_pointer_impl<void volatile> : public false_type{}; |
108 | #endif |
109 | |
110 | } // namespace detail |
111 | |
112 | template <class T> |
113 | struct 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 | |