/Src/Dependencies/Boost/boost/spirit/home/phoenix/bind/detail/function_ptr.hpp
http://hadesmem.googlecode.com/ · C++ Header · 99 lines · 69 code · 19 blank · 11 comment · 0 complexity · f34d453dcba4ec90dac0c4bf8f33c130 MD5 · raw file
- /*=============================================================================
- Copyright (c) 2001-2007 Joel de Guzman
- Distributed under 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_PP_IS_ITERATING)
- #if !defined(PHOENIX_BIND_DETAIL_FUNCTION_PTR_HPP)
- #define PHOENIX_BIND_DETAIL_FUNCTION_PTR_HPP
- #include <boost/preprocessor/iterate.hpp>
- #include <boost/preprocessor/repetition/enum_params.hpp>
- #include <boost/preprocessor/repetition/enum_binary_params.hpp>
- #include <boost/preprocessor/dec.hpp>
- namespace boost { namespace phoenix { namespace detail
- {
- template <int N>
- struct function_ptr_impl
- {
- template <typename RT, typename FP>
- struct impl;
- };
- template <int N, typename RT, typename FP>
- struct function_ptr : function_ptr_impl<N>::template impl<RT, FP>
- {
- typedef typename function_ptr_impl<N>::template impl<RT, FP> base;
- function_ptr(FP fp)
- : base(fp) {}
- };
- template <>
- struct function_ptr_impl<0>
- {
- template <typename RT, typename FP>
- struct impl
- {
- typedef RT result_type;
- impl(FP fp)
- : fp(fp) {}
- RT operator()() const
- {
- return fp();
- }
- FP fp;
- };
- };
- #define BOOST_PP_ITERATION_PARAMS_1 \
- (3, (1, PHOENIX_COMPOSITE_LIMIT, \
- "boost/spirit/home/phoenix/bind/detail/function_ptr.hpp"))
- #include BOOST_PP_ITERATE()
- }}} // namespace boost::phoenix::detail
- #endif
- ///////////////////////////////////////////////////////////////////////////////
- //
- // Preprocessor vertical repetition code
- //
- ///////////////////////////////////////////////////////////////////////////////
- #else // defined(BOOST_PP_IS_ITERATING)
- #define N BOOST_PP_ITERATION()
- template <>
- struct function_ptr_impl<N>
- {
- template <typename RT, typename FP>
- struct impl
- {
- template <BOOST_PP_ENUM_PARAMS(N, typename T)>
- struct result
- {
- typedef RT type;
- };
- impl(FP fp)
- : fp(fp) {}
- template <BOOST_PP_ENUM_PARAMS(N, typename A)>
- RT operator()(BOOST_PP_ENUM_BINARY_PARAMS(N, A, & _)) const
- {
- return fp(BOOST_PP_ENUM_PARAMS(N, _));
- }
- FP fp;
- };
- };
- #undef N
- #endif // defined(BOOST_PP_IS_ITERATING)