proto/detail/poly_function_funop.hpp

0001 #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
0002
0003     #include <boost/proto/detail/preprocessed/poly_function_funop.hpp>
0004
0005 #elif !defined(BOOST_PP_IS_ITERATING)
0006
0007     #define BOOST_PROTO_NORMALIZE_ARG(Z, N, DATA)                                                   \
0008         static_cast<typename normalize_arg<BOOST_PP_CAT(A, N) const &>                              \
0009             ::reference>(BOOST_PP_CAT(a, N))                                                        \
0010         /**/
0011
0012     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
0013         #pragma wave option(preserve: 2, line: 0, output: "preprocessed/poly_function_funop.hpp")
0014     #endif
0015
0016     ///////////////////////////////////////////////////////////////////////////////
0017     // poly_function_funop.hpp
0018     // Contains overloads of poly_function\<\>::operator()
0019     //
0020     //  Copyright 2008 Eric Niebler. Distributed under the Boost
0021     //  Software License, Version 1.0. (See accompanying file
0022     //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0023
0024     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
0025         #pragma wave option(preserve: 1)
0026     #endif
0027
0028     #define BOOST_PP_ITERATION_PARAMS_1                                                             \
0029         (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/poly_function_funop.hpp>))
0030     #include BOOST_PP_ITERATE()
0031
0032     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
0033         #pragma wave option(output: null)
0034     #endif
0035
0036     #undef BOOST_PROTO_NORMALIZE_ARG
0037
0038 #else
0039
0040     #define N BOOST_PP_ITERATION()
0041
0042     template<typename This BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
0043     struct result<This(BOOST_PP_ENUM_PARAMS(N, A))>
0044       : Derived::template impl<
0045             BOOST_PP_ENUM_BINARY_PARAMS(
0046                 N
0047               , typename normalize_arg<A
0048               , >::type BOOST_PP_INTERCEPT
0049             )
0050         >
0051     {
0052         typedef typename result::result_type type;
0053     };
0054
0055     template<BOOST_PP_ENUM_PARAMS(N, typename A)>
0056     typename result<
0057         Derived const(
0058             BOOST_PP_ENUM_BINARY_PARAMS(N, A, const & BOOST_PP_INTERCEPT)
0059         )
0060     >::type
0061     operator ()(BOOST_PP_ENUM_BINARY_PARAMS(N, A, const &a)) const
0062     {
0063         result<
0064             Derived const(
0065                 BOOST_PP_ENUM_BINARY_PARAMS(N, A, const & BOOST_PP_INTERCEPT)
0066             )
0067         > impl;
0068
0069         return impl(BOOST_PP_ENUM(N, BOOST_PROTO_NORMALIZE_ARG, ~));
0070     }
0071
0072     #undef N
0073
0074 #endif // BOOST_PROTO_DONT_USE_PREPROCESSED_FILES