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Diffstat (limited to 'boost/tti/detail/dmem_type.hpp')
-rw-r--r-- | boost/tti/detail/dmem_type.hpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/boost/tti/detail/dmem_type.hpp b/boost/tti/detail/dmem_type.hpp new file mode 100644 index 0000000000..53c7c81784 --- /dev/null +++ b/boost/tti/detail/dmem_type.hpp @@ -0,0 +1,51 @@ + +// (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 |