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- // (C) Copyright Tobias Schwinger
- //
- // Use modification and distribution are subject to the boost Software License,
- // Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).
- //------------------------------------------------------------------------------
- #ifndef BOOST_FT_DETAIL_CLASSIFIER_HPP_INCLUDED
- #define BOOST_FT_DETAIL_CLASSIFIER_HPP_INCLUDED
- #include <boost/type.hpp>
- #include <boost/config.hpp>
- #include <boost/type_traits/is_reference.hpp>
- #include <boost/type_traits/add_reference.hpp>
- #include <boost/function_types/config/config.hpp>
- #include <boost/function_types/property_tags.hpp>
- namespace boost { namespace function_types { namespace detail {
- template<typename T> struct classifier;
- template<std::size_t S> struct char_array { typedef char (&type)[S]; };
- template<bits_t Flags, bits_t CCID, std::size_t Arity> struct encode_charr
- {
- typedef typename char_array<
- ::boost::function_types::detail::encode_charr_impl<Flags,CCID,Arity>::value
- >::type type;
- };
- #if defined(BOOST_MSVC) || (defined(__BORLANDC__) && !defined(BOOST_DISABLE_WIN32))
- # define BOOST_FT_DECL __cdecl
- #else
- # define BOOST_FT_DECL /**/
- #endif
- char BOOST_FT_DECL classifier_impl(...);
- #define BOOST_FT_variations BOOST_FT_function|BOOST_FT_pointer|\
- BOOST_FT_member_pointer
- #define BOOST_FT_type_function(cc,name) BOOST_FT_SYNTAX( \
- R BOOST_PP_EMPTY,BOOST_PP_LPAREN,cc,* BOOST_PP_EMPTY,name,BOOST_PP_RPAREN)
- #define BOOST_FT_type_function_pointer(cc,name) BOOST_FT_SYNTAX( \
- R BOOST_PP_EMPTY,BOOST_PP_LPAREN,cc,** BOOST_PP_EMPTY,name,BOOST_PP_RPAREN)
- #define BOOST_FT_type_member_function_pointer(cc,name) BOOST_FT_SYNTAX( \
- R BOOST_PP_EMPTY,BOOST_PP_LPAREN,cc,T0::** BOOST_PP_EMPTY,name,BOOST_PP_RPAREN)
- #define BOOST_FT_al_path boost/function_types/detail/classifier_impl
- #include <boost/function_types/detail/pp_loop.hpp>
- template<typename T> struct classifier_bits
- {
- static typename boost::add_reference<T>::type tester;
- BOOST_STATIC_CONSTANT(bits_t,value = (bits_t)sizeof(
- boost::function_types::detail::classifier_impl(& tester)
- )-1);
- };
- template<typename T> struct classifier
- {
- typedef detail::constant<
- ::boost::function_types::detail::decode_bits<
- ::boost::function_types::detail::classifier_bits<T>::value
- >::tag_bits >
- bits;
- typedef detail::full_mask mask;
-
- typedef detail::constant<
- ::boost::function_types::detail::decode_bits<
- ::boost::function_types::detail::classifier_bits<T>::value
- >::arity >
- function_arity;
- };
- } } } // namespace ::boost::function_types::detail
- #endif
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