// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, | |
// Howard Hinnant and John Maddock 2000. | |
// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001 | |
// Use, modification and distribution are subject to the Boost Software License, | |
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt). | |
// | |
// See http://www.boost.org/libs/type_traits for most recent version including documentation. | |
// Fixed is_pointer, is_reference, is_const, is_volatile, is_same, | |
// is_member_pointer based on the Simulated Partial Specialization work | |
// of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or | |
// http://groups.yahoo.com/group/boost/message/5441 | |
// Some workarounds in here use ideas suggested from "Generic<Programming>: | |
// Mappings between Types and Values" | |
// by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html). | |
#ifndef BOOST_TT_IS_MEMBER_POINTER_HPP_INCLUDED | |
#define BOOST_TT_IS_MEMBER_POINTER_HPP_INCLUDED | |
#include <boost/type_traits/config.hpp> | |
#include <boost/detail/workaround.hpp> | |
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !BOOST_WORKAROUND(__BORLANDC__, < 0x600) | |
# include <boost/type_traits/is_member_function_pointer.hpp> | |
#else | |
# include <boost/type_traits/is_reference.hpp> | |
# include <boost/type_traits/is_array.hpp> | |
# include <boost/type_traits/detail/is_mem_fun_pointer_tester.hpp> | |
# include <boost/type_traits/detail/yes_no_type.hpp> | |
# include <boost/type_traits/detail/false_result.hpp> | |
# include <boost/type_traits/detail/ice_or.hpp> | |
#endif | |
// should be the last #include | |
#include <boost/type_traits/detail/bool_trait_def.hpp> | |
namespace boost { | |
#if defined( __CODEGEARC__ ) | |
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,__is_member_pointer(T)) | |
#elif BOOST_WORKAROUND(__BORLANDC__, < 0x600) | |
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,false) | |
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*,true) | |
#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | |
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,::boost::is_member_function_pointer<T>::value) | |
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*,true) | |
#if !BOOST_WORKAROUND(__MWERKS__,<=0x3003) && !BOOST_WORKAROUND(__IBMCPP__, <=600) | |
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const,true) | |
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*volatile,true) | |
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const volatile,true) | |
#endif | |
#else // no partial template specialization | |
namespace detail { | |
template <typename R, typename T> | |
::boost::type_traits::yes_type BOOST_TT_DECL is_member_pointer_tester(R T::*const volatile*); | |
::boost::type_traits::no_type BOOST_TT_DECL is_member_pointer_tester(...); | |
template <bool> | |
struct is_member_pointer_select | |
: ::boost::type_traits::false_result | |
{ | |
}; | |
template <> | |
struct is_member_pointer_select<false> | |
{ | |
template <typename T> struct result_ | |
{ | |
static T* make_t(); | |
BOOST_STATIC_CONSTANT( | |
bool, value = | |
(::boost::type_traits::ice_or< | |
(1 == sizeof(::boost::type_traits::is_mem_fun_pointer_tester(make_t()))), | |
(1 == sizeof(is_member_pointer_tester(make_t()))) | |
>::value) ); | |
}; | |
}; | |
template <typename T> | |
struct is_member_pointer_impl | |
: is_member_pointer_select< | |
::boost::type_traits::ice_or< | |
::boost::is_reference<T>::value | |
, ::boost::is_array<T>::value | |
>::value | |
>::template result_<T> | |
{ | |
}; | |
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_member_pointer,void,false) | |
#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS | |
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_member_pointer,void const,false) | |
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_member_pointer,void volatile,false) | |
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_member_pointer,void const volatile,false) | |
#endif | |
} // namespace detail | |
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,::boost::detail::is_member_pointer_impl<T>::value) | |
#endif // __BORLANDC__ | |
} // namespace boost | |
#include <boost/type_traits/detail/bool_trait_undef.hpp> | |
#endif // BOOST_TT_IS_MEMBER_POINTER_HPP_INCLUDED |