1 #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
2 
3     #include <boost/proto/detail/preprocessed/generate_by_value.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/generate_by_value.hpp")
9     #endif
10 
11     ///////////////////////////////////////////////////////////////////////////////
12     /// \file generate_by_value.hpp
13     /// Contains definition of by_value_generator_\<\> class template.
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/generate_by_value.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 // BOOST_PP_IS_ITERATING
32 
33     #define N BOOST_PP_ITERATION()
34 
35     template<typename Tag BOOST_PP_ENUM_TRAILING_PARAMS(N, typename Arg) >
36     struct by_value_generator_<
37         proto::expr<Tag, BOOST_PP_CAT(list, N)<BOOST_PP_ENUM_PARAMS(N, Arg)>, N>
38     >
39     {
40         typedef
41             BOOST_PP_CAT(list, N)<BOOST_PP_ENUM_PARAMS(N, Arg)>
42         src_args;
43 
44         typedef
45             BOOST_PP_CAT(list, N)<
46                 BOOST_PP_ENUM_BINARY_PARAMS(N, typename uncvref<Arg, >::type BOOST_PP_INTERCEPT)
47             >
48         dst_args;
49 
50         typedef proto::expr<Tag, src_args, N> src_type;
51         typedef proto::expr<Tag, dst_args, N> type;
52 
53         BOOST_FORCEINLINE
callby_value_generator_54         static type const call(src_type const &e)
55         {
56             type that = {
57                 BOOST_PP_ENUM_PARAMS(N, e.child)
58             };
59             return that;
60         }
61     };
62 
63     template<typename Tag BOOST_PP_ENUM_TRAILING_PARAMS(N, typename Arg) >
64     struct by_value_generator_<
65         proto::basic_expr<Tag, BOOST_PP_CAT(list, N)<BOOST_PP_ENUM_PARAMS(N, Arg)>, N>
66     >
67     {
68         typedef
69             BOOST_PP_CAT(list, N)<BOOST_PP_ENUM_PARAMS(N, Arg)>
70         src_args;
71 
72         typedef
73             BOOST_PP_CAT(list, N)<
74                 BOOST_PP_ENUM_BINARY_PARAMS(N, typename uncvref<Arg, >::type BOOST_PP_INTERCEPT)
75             >
76         dst_args;
77 
78         typedef proto::basic_expr<Tag, src_args, N> src_type;
79         typedef proto::basic_expr<Tag, dst_args, N> type;
80 
81         BOOST_FORCEINLINE
callby_value_generator_82         static type const call(src_type const &e)
83         {
84             type that = {
85                 BOOST_PP_ENUM_PARAMS(N, e.child)
86             };
87             return that;
88         }
89     };
90 
91     #undef N
92 
93 #endif
94