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1 | #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) | |
2 | ||
3 | #include <boost/proto/detail/preprocessed/poly_function_traits.hpp> | |
4 | ||
5 | #elif !defined(BOOST_PP_IS_ITERATING) | |
6 | ||
7 | #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) | |
8 | #pragma wave option(preserve: 2, line: 0, output: "preprocessed/poly_function_traits.hpp") | |
9 | #endif | |
10 | ||
11 | /////////////////////////////////////////////////////////////////////////////// | |
12 | // poly_function_traits.hpp | |
13 | // Contains specializations of poly_function_traits and as_mono_function | |
14 | // | |
15 | // Copyright 2008 Eric Niebler. Distributed under the Boost | |
16 | // Software License, Version 1.0. (See accompanying file | |
17 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
18 | ||
19 | #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) | |
20 | #pragma wave option(preserve: 1) | |
21 | #endif | |
22 | ||
23 | #define BOOST_PP_ITERATION_PARAMS_1 \ | |
24 | (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/poly_function_traits.hpp>)) | |
25 | #include BOOST_PP_ITERATE() | |
26 | ||
27 | #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) | |
28 | #pragma wave option(output: null) | |
29 | #endif | |
30 | ||
31 | #else | |
32 | ||
33 | #define N BOOST_PP_ITERATION() | |
34 | ||
35 | //////////////////////////////////////////////////////////////////////////////////////////////// | |
36 | template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> | |
37 | struct poly_function_traits<PolyFun, PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), mpl::size_t<sizeof(poly_function_t)> > | |
38 | { | |
39 | typedef typename PolyFun::template impl<BOOST_PP_ENUM_PARAMS(N, const A)> function_type; | |
40 | typedef typename function_type::result_type result_type; | |
41 | }; | |
42 | ||
43 | //////////////////////////////////////////////////////////////////////////////////////////////// | |
44 | template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> | |
45 | struct as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), true> | |
46 | { | |
47 | typedef typename PolyFun::template impl<BOOST_PP_ENUM_PARAMS(N, const A)> type; | |
48 | }; | |
49 | ||
50 | //////////////////////////////////////////////////////////////////////////////////////////////// | |
51 | template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> | |
52 | struct as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), false> | |
53 | { | |
54 | typedef PolyFun type; | |
55 | }; | |
56 | ||
57 | //////////////////////////////////////////////////////////////////////////////////////////////// | |
58 | template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> | |
59 | struct as_mono_function<PolyFun(BOOST_PP_ENUM_PARAMS(N, A))> | |
60 | : as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), is_poly_function<PolyFun>::value> | |
61 | {}; | |
62 | ||
63 | #undef N | |
64 | ||
65 | #endif // BOOST_PROTO_DONT_USE_PREPROCESSED_FILES |