2 // (C) Copyright Tobias Schwinger
4 // Use modification and distribution are subject to the boost Software License,
5 // Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).
7 //------------------------------------------------------------------------------
9 #ifndef BOOST_FT_DETAIL_CLASSIFIER_HPP_INCLUDED
10 #define BOOST_FT_DETAIL_CLASSIFIER_HPP_INCLUDED
12 #include <boost/type.hpp>
13 #include <boost/config.hpp>
14 #include <boost/type_traits/is_reference.hpp>
15 #include <boost/type_traits/add_reference.hpp>
17 #include <boost/function_types/config/config.hpp>
18 #include <boost/function_types/property_tags.hpp>
20 namespace boost { namespace function_types { namespace detail {
22 template<typename T> struct classifier;
24 template<std::size_t S> struct char_array { typedef char (&type)[S]; };
26 template<bits_t Flags, bits_t CCID, std::size_t Arity> struct encode_charr
28 typedef typename char_array<
29 ::boost::function_types::detail::encode_charr_impl<Flags,CCID,Arity>::value
33 #if defined(BOOST_MSVC) || (defined(__BORLANDC__) && !defined(BOOST_DISABLE_WIN32))
34 # define BOOST_FT_DECL __cdecl
36 # define BOOST_FT_DECL /**/
39 char BOOST_FT_DECL classifier_impl(...);
41 #define BOOST_FT_variations BOOST_FT_function|BOOST_FT_pointer|\
42 BOOST_FT_member_pointer
44 #define BOOST_FT_type_function(cc,name) BOOST_FT_SYNTAX( \
45 R BOOST_PP_EMPTY,BOOST_PP_LPAREN,cc,* BOOST_PP_EMPTY,name,BOOST_PP_RPAREN)
47 #define BOOST_FT_type_function_pointer(cc,name) BOOST_FT_SYNTAX( \
48 R BOOST_PP_EMPTY,BOOST_PP_LPAREN,cc,** BOOST_PP_EMPTY,name,BOOST_PP_RPAREN)
50 #define BOOST_FT_type_member_function_pointer(cc,name) BOOST_FT_SYNTAX( \
51 R BOOST_PP_EMPTY,BOOST_PP_LPAREN,cc,T0::** BOOST_PP_EMPTY,name,BOOST_PP_RPAREN)
53 #define BOOST_FT_al_path boost/function_types/detail/classifier_impl
54 #include <boost/function_types/detail/pp_loop.hpp>
56 template<typename T> struct classifier_bits
58 static typename boost::add_reference<T>::type tester;
60 BOOST_STATIC_CONSTANT(bits_t,value = (bits_t)sizeof(
61 boost::function_types::detail::classifier_impl(& tester)
65 template<typename T> struct classifier
67 typedef detail::constant<
68 ::boost::function_types::detail::decode_bits<
69 ::boost::function_types::detail::classifier_bits<T>::value
73 typedef detail::full_mask mask;
75 typedef detail::constant<
76 ::boost::function_types::detail::decode_bits<
77 ::boost::function_types::detail::classifier_bits<T>::value
84 } } } // namespace ::boost::function_types::detail