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- // (C) Copyright Edward Diener 2011,2012,2013
- // 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).
- #if !defined(BOOST_TTI_DETAIL_STATIC_MEM_DATA_HPP)
- #define BOOST_TTI_DETAIL_STATIC_MEM_DATA_HPP
- #include <boost/config.hpp>
- #include <boost/function_types/is_function.hpp>
- #include <boost/mpl/bool.hpp>
- #include <boost/preprocessor/cat.hpp>
- #include <boost/type_traits/detail/yes_no_type.hpp>
- #include <boost/tti/detail/dnullptr.hpp>
- #if defined(BOOST_MSVC)
- #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA(trait,name) \
- template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
- struct BOOST_PP_CAT(trait,_detail_hsd) \
- { \
- template<bool,typename BOOST_TTI_DETAIL_TP_U> \
- struct menable_if; \
- \
- template<typename BOOST_TTI_DETAIL_TP_U> \
- struct menable_if<true,BOOST_TTI_DETAIL_TP_U> \
- { \
- typedef BOOST_TTI_DETAIL_TP_U type; \
- }; \
- \
- template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
- static ::boost::type_traits::yes_type check2(BOOST_TTI_DETAIL_TP_V *); \
- \
- template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
- static ::boost::type_traits::no_type check2(BOOST_TTI_DETAIL_TP_U); \
- \
- template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
- static typename \
- menable_if \
- < \
- sizeof(check2<BOOST_TTI_DETAIL_TP_U,BOOST_TTI_DETAIL_TP_V>(&BOOST_TTI_DETAIL_TP_U::name))==sizeof(::boost::type_traits::yes_type), \
- ::boost::type_traits::yes_type \
- > \
- ::type \
- has_matching_member(int); \
- \
- template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
- static ::boost::type_traits::no_type has_matching_member(...); \
- \
- template<class BOOST_TTI_DETAIL_TP_U,class BOOST_TTI_DETAIL_TP_V> \
- struct ttc_sd \
- { \
- typedef boost::mpl::bool_<sizeof(has_matching_member<BOOST_TTI_DETAIL_TP_V,BOOST_TTI_DETAIL_TP_U>(0))==sizeof(::boost::type_traits::yes_type)> type; \
- }; \
- \
- typedef typename ttc_sd<BOOST_TTI_DETAIL_TP_TYPE,BOOST_TTI_DETAIL_TP_T>::type type; \
- \
- BOOST_STATIC_CONSTANT(bool,value=type::value); \
- }; \
- /**/
- #else // !defined(BOOST_MSVC)
- #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA(trait,name) \
- template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
- struct BOOST_PP_CAT(trait,_detail_hsd) \
- { \
- template<BOOST_TTI_DETAIL_TP_TYPE *> \
- struct helper; \
- \
- template<class BOOST_TTI_DETAIL_TP_U> \
- static ::boost::type_traits::yes_type chkt(helper<&BOOST_TTI_DETAIL_TP_U::name> *); \
- \
- template<class BOOST_TTI_DETAIL_TP_U> \
- static ::boost::type_traits::no_type chkt(...); \
- \
- BOOST_STATIC_CONSTANT(bool,value=(!boost::function_types::is_function<BOOST_TTI_DETAIL_TP_TYPE>::value) && (sizeof(chkt<BOOST_TTI_DETAIL_TP_T>(BOOST_TTI_DETAIL_NULLPTR))==sizeof(::boost::type_traits::yes_type))); \
- \
- typedef boost::mpl::bool_<value> type; \
- }; \
- /**/
- #endif // defined(BOOST_MSVC)
- #endif // BOOST_TTI_DETAIL_STATIC_MEM_DATA_HPP
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