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Diffstat (limited to '3rdParty/Boost/src/boost/tti/has_function.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/tti/has_function.hpp | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/tti/has_function.hpp b/3rdParty/Boost/src/boost/tti/has_function.hpp new file mode 100644 index 0000000..211590b --- /dev/null +++ b/3rdParty/Boost/src/boost/tti/has_function.hpp @@ -0,0 +1,109 @@ + +// (C) Copyright Edward Diener 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_FUNCTION_HPP) +#define BOOST_TTI_HAS_FUNCTION_HPP + +#include <boost/config.hpp> +#include <boost/function_types/property_tags.hpp> +#include <boost/mpl/vector.hpp> +#include <boost/preprocessor/cat.hpp> +#include <boost/tti/detail/dfunction.hpp> +#include <boost/tti/gen/has_function_gen.hpp> + +/* + + The succeeding comments in this file are in doxygen format. + +*/ + +/** \file +*/ + +/// Expands to a metafunction which tests whether a member function or a static member function with a particular name and signature exists. +/** + + trait = the name of the metafunction within the tti namespace. + + name = the name of the inner member. + + generates a metafunction called "trait" where 'trait' is the macro parameter. + + template<class BOOST_TTI_TP_T,class BOOST_TTI_TP_R,class BOOST_TTI_TP_FS,class BOOST_TTI_TP_TAG> + struct trait + { + static const value = unspecified; + typedef mpl::bool_<true-or-false> type; + }; + + The metafunction types and return: + + BOOST_TTI_TP_T = the enclosing type in which to look for our 'name'. + + BOOST_TTI_TP_R = the return type of the function + + BOOST_TTI_TP_FS = (optional) the parameters of the function as a boost::mpl forward sequence + if function parameters are not empty. + + BOOST_TTI_TP_TAG = (optional) a boost::function_types tag to apply to the function + if the need for a tag exists. + + returns = 'value' is true if the 'name' exists, + with the appropriate static member function type, + otherwise 'value' is false. + +*/ +#define BOOST_TTI_TRAIT_HAS_FUNCTION(trait,name) \ + BOOST_TTI_DETAIL_TRAIT_HAS_FUNCTION(trait,name) \ + template<class BOOST_TTI_TP_T,class BOOST_TTI_TP_R,class BOOST_TTI_TP_FS = boost::mpl::vector<>,class BOOST_TTI_TP_TAG = boost::function_types::null_tag> \ + struct trait \ + { \ + typedef typename \ + BOOST_PP_CAT(trait,_detail_hf)<BOOST_TTI_TP_T,BOOST_TTI_TP_R,BOOST_TTI_TP_FS,BOOST_TTI_TP_TAG>::type type; \ + BOOST_STATIC_CONSTANT(bool,value=type::value); \ + }; \ +/**/ + +/// Expands to a metafunction which tests whether a member function or a static member function with a particular name and signature exists. +/** + + name = the name of the inner member. + + generates a metafunction called "has_function_name" where 'name' is the macro parameter. + + template<class BOOST_TTI_TP_T,class BOOST_TTI_TP_R,class BOOST_TTI_TP_FS,class BOOST_TTI_TP_TAG> + struct trait + { + static const value = unspecified; + typedef mpl::bool_<true-or-false> type; + }; + + The metafunction types and return: + + BOOST_TTI_TP_T = the enclosing type in which to look for our 'name'. + + BOOST_TTI_TP_R = the return type of the function + + BOOST_TTI_TP_FS = (optional) the parameters of the function as a boost::mpl forward sequence + if function parameters are not empty. + + BOOST_TTI_TP_TAG = (optional) a boost::function_types tag to apply to the function + if the need for a tag exists. + + returns = 'value' is true if the 'name' exists, + with the appropriate function type, + otherwise 'value' is false. + +*/ +#define BOOST_TTI_HAS_FUNCTION(name) \ + BOOST_TTI_TRAIT_HAS_FUNCTION \ + ( \ + BOOST_TTI_HAS_FUNCTION_GEN(name), \ + name \ + ) \ +/**/ + +#endif // BOOST_TTI_HAS_FUNCTION_HPP |