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
66