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Diffstat (limited to '3rdParty/Boost/src/boost/tti/has_member_data.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/tti/has_member_data.hpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/tti/has_member_data.hpp b/3rdParty/Boost/src/boost/tti/has_member_data.hpp new file mode 100644 index 0000000..84988f3 --- /dev/null +++ b/3rdParty/Boost/src/boost/tti/has_member_data.hpp @@ -0,0 +1,106 @@ + +// (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_HAS_MEMBER_DATA_HPP) +#define BOOST_TTI_HAS_MEMBER_DATA_HPP + +#include <boost/config.hpp> +#include <boost/preprocessor/cat.hpp> +#include <boost/tti/detail/ddeftype.hpp> +#include <boost/tti/detail/dmem_data.hpp> +#include <boost/tti/gen/has_member_data_gen.hpp> + +/* + + The succeeding comments in this file are in doxygen format. + +*/ + +/** \file +*/ + +/// Expands to a metafunction which tests whether a member data with a particular name and type exists. +/** + + trait = the name of the metafunction. + + name = the name of the inner member to introspect. + + generates a metafunction called "trait" where 'trait' is the macro parameter. + + template<class BOOST_TTI_TP_ET,class BOOST_TTI_TP_TYPE> + struct trait + { + static const value = unspecified; + typedef mpl::bool_<true-or-false> type; + }; + + The metafunction types and return: + + BOOST_TTI_TP_ET = the enclosing type in which to look for our 'name' + OR + The type of the member data in the form of a pointer + to member data. + + BOOST_TTI_TP_TYPE = (optional) The type of the member data if the first + parameter is the enclosing type. + + returns = 'value' is true if the 'name' exists, with the correct data type, + otherwise 'value' is false. + +*/ +#define BOOST_TTI_TRAIT_HAS_MEMBER_DATA(trait,name) \ + BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA(trait,name) \ + template<class BOOST_TTI_TP_ET,class BOOST_TTI_TP_TYPE = BOOST_TTI_NAMESPACE::detail::deftype> \ + struct trait \ + { \ + typedef typename \ + BOOST_PP_CAT(trait,_detail_hmd) \ + < \ + BOOST_TTI_TP_ET, \ + BOOST_TTI_TP_TYPE \ + >::type type; \ + BOOST_STATIC_CONSTANT(bool,value=type::value); \ + }; \ +/**/ + +/// Expands to a metafunction which tests whether a member data with a particular name and type exists. +/** + + name = the name of the inner member. + + generates a metafunction called "has_member_data_name" where 'name' is the macro parameter. + + template<class BOOST_TTI_TP_ET,class BOOST_TTI_TP_TYPE> + struct has_member_data_name + { + static const value = unspecified; + typedef mpl::bool_<true-or-false> type; + }; + + The metafunction types and return: + + BOOST_TTI_TP_ET = the enclosing type in which to look for our 'name' + OR + The type of the member data in the form of a pointer + to member data. + + BOOST_TTI_TP_TYPE = (optional) The type of the member data if the first + parameter is the enclosing type. + + returns = 'value' is true if the 'name' exists, with the correct data type, + otherwise 'value' is false. + +*/ +#define BOOST_TTI_HAS_MEMBER_DATA(name) \ + BOOST_TTI_TRAIT_HAS_MEMBER_DATA \ + ( \ + BOOST_TTI_HAS_MEMBER_DATA_GEN(name), \ + name \ + ) \ +/**/ + +#endif // BOOST_TTI_HAS_MEMBER_DATA_HPP |