| |
| // (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_TEMPLATE_HPP) |
| #define BOOST_TTI_DETAIL_TEMPLATE_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/preprocessor/debug/assert.hpp> |
| #include <boost/preprocessor/facilities/is_empty.hpp> |
| #include <boost/tti/detail/denclosing_type.hpp> |
| #include <boost/tti/gen/namespace_gen.hpp> |
| #include <boost/type_traits/is_class.hpp> |
| #include <boost/type_traits/is_union.hpp> |
| |
| #define BOOST_TTI_DETAIL_IS_HELPER_BOOST_PP_NIL |
| |
| #define BOOST_TTI_DETAIL_IS_NIL(param) \ |
| BOOST_PP_IS_EMPTY \ |
| ( \ |
| BOOST_PP_CAT(BOOST_TTI_DETAIL_IS_HELPER_,param) \ |
| ) \ |
| /**/ |
| |
| #define BOOST_TTI_DETAIL_TRAIT_ASSERT_NOT_NIL(trait,name,params) \ |
| BOOST_PP_ASSERT_MSG(0, "The parameter must be BOOST_PP_NIL") \ |
| /**/ |
| |
| #define BOOST_TTI_DETAIL_TRAIT_CHECK_IS_NIL(trait,name,params) \ |
| BOOST_PP_IIF \ |
| ( \ |
| BOOST_TTI_DETAIL_IS_NIL(params), \ |
| BOOST_TTI_DETAIL_TRAIT_HAS_TEMPLATE, \ |
| BOOST_TTI_DETAIL_TRAIT_ASSERT_NOT_NIL \ |
| ) \ |
| (trait,name,params) \ |
| /**/ |
| |
| #define BOOST_TTI_DETAIL_TRAIT_HAS_TEMPLATE_THT(trait,name) \ |
| BOOST_MPL_HAS_XXX_TEMPLATE_NAMED_DEF(BOOST_PP_CAT(trait,_detail_mpl), name, false) \ |
| template<class BOOST_TTI_DETAIL_TP_T> \ |
| struct BOOST_PP_CAT(trait,_tht) : \ |
| BOOST_PP_CAT(trait,_detail_mpl)<BOOST_TTI_DETAIL_TP_T> \ |
| { \ |
| }; \ |
| /**/ |
| |
| #define BOOST_TTI_DETAIL_TRAIT_HAS_TEMPLATE(trait,name,params) \ |
| BOOST_TTI_DETAIL_TRAIT_HAS_TEMPLATE_THT(trait,name) \ |
| template<class BOOST_TTI_DETAIL_TP_T> \ |
| struct trait \ |
| { \ |
| typedef typename \ |
| boost::mpl::eval_if \ |
| < \ |
| BOOST_TTI_NAMESPACE::detail::enclosing_type<BOOST_TTI_DETAIL_TP_T>, \ |
| BOOST_PP_CAT(trait,_tht)<BOOST_TTI_DETAIL_TP_T>, \ |
| boost::mpl::false_ \ |
| >::type type; \ |
| BOOST_STATIC_CONSTANT(bool,value=type::value); \ |
| }; \ |
| /**/ |
| |
| #endif // !BOOST_TTI_DETAIL_TEMPLATE_HPP |