2 // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
3 // Howard Hinnant and John Maddock 2000.
4 // (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
6 // Use, modification and distribution are subject to the Boost Software License,
7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
8 // http://www.boost.org/LICENSE_1_0.txt).
10 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
12 // Fixed is_pointer, is_reference, is_const, is_volatile, is_same,
13 // is_member_pointer based on the Simulated Partial Specialization work
14 // of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or
15 // http://groups.yahoo.com/group/boost/message/5441
16 // Some workarounds in here use ideas suggested from "Generic<Programming>:
17 // Mappings between Types and Values"
18 // by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
21 #ifndef BOOST_TT_IS_MEMBER_POINTER_HPP_INCLUDED
22 #define BOOST_TT_IS_MEMBER_POINTER_HPP_INCLUDED
24 #include <boost/type_traits/config.hpp>
25 #include <boost/detail/workaround.hpp>
27 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !BOOST_WORKAROUND(__BORLANDC__, < 0x600)
28 # include <boost/type_traits/is_member_function_pointer.hpp>
30 # include <boost/type_traits/is_reference.hpp>
31 # include <boost/type_traits/is_array.hpp>
32 # include <boost/type_traits/detail/is_mem_fun_pointer_tester.hpp>
33 # include <boost/type_traits/detail/yes_no_type.hpp>
34 # include <boost/type_traits/detail/false_result.hpp>
35 # include <boost/type_traits/detail/ice_or.hpp>
38 // should be the last #include
39 #include <boost/type_traits/detail/bool_trait_def.hpp>
43 #if defined( __CODEGEARC__ )
44 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,__is_member_pointer(T))
45 #elif BOOST_WORKAROUND(__BORLANDC__, < 0x600)
46 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,false)
47 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*,true)
49 #elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
50 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,::boost::is_member_function_pointer<T>::value)
51 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*,true)
53 #if !BOOST_WORKAROUND(__MWERKS__,<=0x3003) && !BOOST_WORKAROUND(__IBMCPP__, <=600)
54 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const,true)
55 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*volatile,true)
56 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const volatile,true)
59 #else // no partial template specialization
63 template <typename R, typename T>
64 ::boost::type_traits::yes_type BOOST_TT_DECL is_member_pointer_tester(R T::*const volatile*);
65 ::boost::type_traits::no_type BOOST_TT_DECL is_member_pointer_tester(...);
68 struct is_member_pointer_select
69 : ::boost::type_traits::false_result
74 struct is_member_pointer_select<false>
76 template <typename T> struct result_
79 BOOST_STATIC_CONSTANT(
81 (::boost::type_traits::ice_or<
82 (1 == sizeof(::boost::type_traits::is_mem_fun_pointer_tester(make_t()))),
83 (1 == sizeof(is_member_pointer_tester(make_t())))
89 struct is_member_pointer_impl
90 : is_member_pointer_select<
91 ::boost::type_traits::ice_or<
92 ::boost::is_reference<T>::value
93 , ::boost::is_array<T>::value
95 >::template result_<T>
99 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_member_pointer,void,false)
100 #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
101 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_member_pointer,void const,false)
102 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_member_pointer,void volatile,false)
103 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_member_pointer,void const volatile,false)
106 } // namespace detail
108 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,::boost::detail::is_member_pointer_impl<T>::value)
110 #endif // __BORLANDC__
114 #include <boost/type_traits/detail/bool_trait_undef.hpp>
116 #endif // BOOST_TT_IS_MEMBER_POINTER_HPP_INCLUDED