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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_MEM_TYPE_HPP)
- #define BOOST_TTI_DETAIL_MEM_TYPE_HPP
- #include <boost/config.hpp>
- #include <boost/mpl/bool.hpp>
- #include <boost/mpl/eval_if.hpp>
- #include <boost/mpl/has_xxx.hpp>
- #include <boost/preprocessor/cat.hpp>
- #include <boost/type_traits/is_class.hpp>
- #define BOOST_TTI_DETAIL_TRAIT_HAS_TYPE_MEMBER_TYPE_OP(trait,name) \
- BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(BOOST_PP_CAT(trait,_detail_mpl), name, false) \
- template<class BOOST_TTI_DETAIL_TP_T> \
- struct BOOST_PP_CAT(trait,_detail_op) : \
- BOOST_PP_CAT(trait,_detail_mpl)<BOOST_TTI_DETAIL_TP_T> \
- { \
- }; \
- /**/
- #define BOOST_TTI_DETAIL_TRAIT_HAS_TYPE_MEMBER_TYPE(trait,name) \
- BOOST_TTI_DETAIL_TRAIT_HAS_TYPE_MEMBER_TYPE_OP(trait,name) \
- template<class BOOST_TTI_DETAIL_TP_T> \
- struct BOOST_PP_CAT(trait,_detail) \
- { \
- typedef typename \
- boost::mpl::eval_if \
- < \
- boost::is_class<BOOST_TTI_DETAIL_TP_T>, \
- BOOST_PP_CAT(trait,_detail_op)<BOOST_TTI_DETAIL_TP_T>, \
- boost::mpl::false_ \
- >::type type; \
- \
- BOOST_STATIC_CONSTANT(bool,value=type::value); \
- }; \
- /**/
- #define BOOST_TTI_DETAIL_TRAIT_MEMBER_TYPE(trait,name) \
- template<class BOOST_TTI_DETAIL_TP_T> \
- struct BOOST_PP_CAT(trait,_detail_member_type) \
- { \
- typedef typename BOOST_TTI_DETAIL_TP_T::name type; \
- }; \
- /**/
- #endif // BOOST_TTI_DETAIL_MEM_TYPE_HPP
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