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