// (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/mpl/eval_if.hpp> #include <boost/preprocessor/cat.hpp> #include <boost/type_traits/is_class.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_OP(trait,name) \ template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \ struct BOOST_PP_CAT(trait,_detail_hsd_op) \ { \ 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; \ }; \ /**/ #elif defined(__SUNPRO_CC) #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \ template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \ struct BOOST_PP_CAT(trait,_detail_hsd_op) \ { \ 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(...); \ \ typedef boost::mpl::bool_<(!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))> type; \ }; \ /**/ #else #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \ template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \ struct BOOST_PP_CAT(trait,_detail_hsd_op) \ { \ 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(...); \ \ typedef boost::mpl::bool_<(!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))> type; \ }; \ /**/ #endif // defined(BOOST_MSVC) #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA(trait,name) \ BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \ template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \ struct BOOST_PP_CAT(trait,_detail_hsd) : \ boost::mpl::eval_if \ < \ boost::is_class<BOOST_TTI_DETAIL_TP_T>, \ BOOST_PP_CAT(trait,_detail_hsd_op)<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_TYPE>, \ boost::mpl::false_ \ > \ { \ }; \ /**/ #endif // BOOST_TTI_DETAIL_STATIC_MEM_DATA_HPP