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1 | // | |
2 | // detail/variadic_templates.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
5 | // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com) | |
6 | // | |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | ||
11 | #ifndef BOOST_ASIO_DETAIL_VARIADIC_TEMPLATES_HPP | |
12 | #define BOOST_ASIO_DETAIL_VARIADIC_TEMPLATES_HPP | |
13 | ||
14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
15 | # pragma once | |
16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
17 | ||
18 | #include <boost/asio/detail/config.hpp> | |
19 | ||
20 | #if !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES) | |
21 | ||
22 | # define BOOST_ASIO_VARIADIC_TPARAMS(n) BOOST_ASIO_VARIADIC_TPARAMS_##n | |
23 | ||
24 | # define BOOST_ASIO_VARIADIC_TPARAMS_1 \ | |
25 | typename T1 | |
26 | # define BOOST_ASIO_VARIADIC_TPARAMS_2 \ | |
27 | typename T1, typename T2 | |
28 | # define BOOST_ASIO_VARIADIC_TPARAMS_3 \ | |
29 | typename T1, typename T2, typename T3 | |
30 | # define BOOST_ASIO_VARIADIC_TPARAMS_4 \ | |
31 | typename T1, typename T2, typename T3, typename T4 | |
32 | # define BOOST_ASIO_VARIADIC_TPARAMS_5 \ | |
33 | typename T1, typename T2, typename T3, typename T4, typename T5 | |
34 | ||
35 | # define BOOST_ASIO_VARIADIC_TARGS(n) BOOST_ASIO_VARIADIC_TARGS_##n | |
36 | ||
37 | # define BOOST_ASIO_VARIADIC_TARGS_1 T1 | |
38 | # define BOOST_ASIO_VARIADIC_TARGS_2 T1, T2 | |
39 | # define BOOST_ASIO_VARIADIC_TARGS_3 T1, T2, T3 | |
40 | # define BOOST_ASIO_VARIADIC_TARGS_4 T1, T2, T3, T4 | |
41 | # define BOOST_ASIO_VARIADIC_TARGS_5 T1, T2, T3, T4, T5 | |
42 | ||
43 | # define BOOST_ASIO_VARIADIC_BYVAL_PARAMS(n) \ | |
44 | BOOST_ASIO_VARIADIC_BYVAL_PARAMS_##n | |
45 | ||
46 | # define BOOST_ASIO_VARIADIC_BYVAL_PARAMS_1 T1 x1 | |
47 | # define BOOST_ASIO_VARIADIC_BYVAL_PARAMS_2 T1 x1, T2 x2 | |
48 | # define BOOST_ASIO_VARIADIC_BYVAL_PARAMS_3 T1 x1, T2 x2, T3 x3 | |
49 | # define BOOST_ASIO_VARIADIC_BYVAL_PARAMS_4 T1 x1, T2 x2, T3 x3, T4 x4 | |
50 | # define BOOST_ASIO_VARIADIC_BYVAL_PARAMS_5 T1 x1, T2 x2, T3 x3, T4 x4, T5 x5 | |
51 | ||
52 | # define BOOST_ASIO_VARIADIC_BYVAL_ARGS(n) \ | |
53 | BOOST_ASIO_VARIADIC_BYVAL_ARGS_##n | |
54 | ||
55 | # define BOOST_ASIO_VARIADIC_BYVAL_ARGS_1 x1 | |
56 | # define BOOST_ASIO_VARIADIC_BYVAL_ARGS_2 x1, x2 | |
57 | # define BOOST_ASIO_VARIADIC_BYVAL_ARGS_3 x1, x2, x3 | |
58 | # define BOOST_ASIO_VARIADIC_BYVAL_ARGS_4 x1, x2, x3, x4 | |
59 | # define BOOST_ASIO_VARIADIC_BYVAL_ARGS_5 x1, x2, x3, x4, x5 | |
60 | ||
61 | # define BOOST_ASIO_VARIADIC_CONSTREF_PARAMS(n) \ | |
62 | BOOST_ASIO_VARIADIC_CONSTREF_PARAMS_##n | |
63 | ||
64 | # define BOOST_ASIO_VARIADIC_CONSTREF_PARAMS_1 \ | |
65 | const T1& x1 | |
66 | # define BOOST_ASIO_VARIADIC_CONSTREF_PARAMS_2 \ | |
67 | const T1& x1, const T2& x2 | |
68 | # define BOOST_ASIO_VARIADIC_CONSTREF_PARAMS_3 \ | |
69 | const T1& x1, const T2& x2, const T3& x3 | |
70 | # define BOOST_ASIO_VARIADIC_CONSTREF_PARAMS_4 \ | |
71 | const T1& x1, const T2& x2, const T3& x3, const T4& x4 | |
72 | # define BOOST_ASIO_VARIADIC_CONSTREF_PARAMS_5 \ | |
73 | const T1& x1, const T2& x2, const T3& x3, const T4& x4, const T5& x5 | |
74 | ||
75 | # define BOOST_ASIO_VARIADIC_MOVE_PARAMS(n) \ | |
76 | BOOST_ASIO_VARIADIC_MOVE_PARAMS_##n | |
77 | ||
78 | # define BOOST_ASIO_VARIADIC_MOVE_PARAMS_1 \ | |
79 | BOOST_ASIO_MOVE_ARG(T1) x1 | |
80 | # define BOOST_ASIO_VARIADIC_MOVE_PARAMS_2 \ | |
81 | BOOST_ASIO_MOVE_ARG(T1) x1, BOOST_ASIO_MOVE_ARG(T2) x2 | |
82 | # define BOOST_ASIO_VARIADIC_MOVE_PARAMS_3 \ | |
83 | BOOST_ASIO_MOVE_ARG(T1) x1, BOOST_ASIO_MOVE_ARG(T2) x2, \ | |
84 | BOOST_ASIO_MOVE_ARG(T3) x3 | |
85 | # define BOOST_ASIO_VARIADIC_MOVE_PARAMS_4 \ | |
86 | BOOST_ASIO_MOVE_ARG(T1) x1, BOOST_ASIO_MOVE_ARG(T2) x2, \ | |
87 | BOOST_ASIO_MOVE_ARG(T3) x3, BOOST_ASIO_MOVE_ARG(T4) x4 | |
88 | # define BOOST_ASIO_VARIADIC_MOVE_PARAMS_5 \ | |
89 | BOOST_ASIO_MOVE_ARG(T1) x1, BOOST_ASIO_MOVE_ARG(T2) x2, \ | |
90 | BOOST_ASIO_MOVE_ARG(T3) x3, BOOST_ASIO_MOVE_ARG(T4) x4, \ | |
91 | BOOST_ASIO_MOVE_ARG(T5) x5 | |
92 | ||
93 | # define BOOST_ASIO_VARIADIC_MOVE_ARGS(n) \ | |
94 | BOOST_ASIO_VARIADIC_MOVE_ARGS_##n | |
95 | ||
96 | # define BOOST_ASIO_VARIADIC_MOVE_ARGS_1 \ | |
97 | BOOST_ASIO_MOVE_CAST(T1)(x1) | |
98 | # define BOOST_ASIO_VARIADIC_MOVE_ARGS_2 \ | |
99 | BOOST_ASIO_MOVE_CAST(T1)(x1), BOOST_ASIO_MOVE_CAST(T2)(x2) | |
100 | # define BOOST_ASIO_VARIADIC_MOVE_ARGS_3 \ | |
101 | BOOST_ASIO_MOVE_CAST(T1)(x1), BOOST_ASIO_MOVE_CAST(T2)(x2), \ | |
102 | BOOST_ASIO_MOVE_CAST(T3)(x3) | |
103 | # define BOOST_ASIO_VARIADIC_MOVE_ARGS_4 \ | |
104 | BOOST_ASIO_MOVE_CAST(T1)(x1), BOOST_ASIO_MOVE_CAST(T2)(x2), \ | |
105 | BOOST_ASIO_MOVE_CAST(T3)(x3), BOOST_ASIO_MOVE_CAST(T4)(x4) | |
106 | # define BOOST_ASIO_VARIADIC_MOVE_ARGS_5 \ | |
107 | BOOST_ASIO_MOVE_CAST(T1)(x1), BOOST_ASIO_MOVE_CAST(T2)(x2), \ | |
108 | BOOST_ASIO_MOVE_CAST(T3)(x3), BOOST_ASIO_MOVE_CAST(T4)(x4), \ | |
109 | BOOST_ASIO_MOVE_CAST(T5)(x5) | |
110 | ||
111 | # define BOOST_ASIO_VARIADIC_MOVE_DECLVAL(n) \ | |
112 | BOOST_ASIO_VARIADIC_MOVE_DECLVAL_##n | |
113 | ||
114 | # define BOOST_ASIO_VARIADIC_MOVE_DECLVAL_1 \ | |
115 | declval<BOOST_ASIO_MOVE_ARG(T1)>() | |
116 | # define BOOST_ASIO_VARIADIC_MOVE_DECLVAL_2 \ | |
117 | declval<BOOST_ASIO_MOVE_ARG(T1)>(), declval<BOOST_ASIO_MOVE_ARG(T2)>() | |
118 | # define BOOST_ASIO_VARIADIC_MOVE_DECLVAL_3 \ | |
119 | declval<BOOST_ASIO_MOVE_ARG(T1)>(), declval<BOOST_ASIO_MOVE_ARG(T2)>(), \ | |
120 | declval<BOOST_ASIO_MOVE_ARG(T3)>() | |
121 | # define BOOST_ASIO_VARIADIC_MOVE_DECLVAL_4 \ | |
122 | declval<BOOST_ASIO_MOVE_ARG(T1)>(), declval<BOOST_ASIO_MOVE_ARG(T2)>(), \ | |
123 | declval<BOOST_ASIO_MOVE_ARG(T3)>(), declval<BOOST_ASIO_MOVE_ARG(T4)>() | |
124 | # define BOOST_ASIO_VARIADIC_MOVE_DECLVAL_5 \ | |
125 | declval<BOOST_ASIO_MOVE_ARG(T1)>(), declval<BOOST_ASIO_MOVE_ARG(T2)>(), \ | |
126 | declval<BOOST_ASIO_MOVE_ARG(T3)>(), declval<BOOST_ASIO_MOVE_ARG(T4)>(), \ | |
127 | declval<BOOST_ASIO_MOVE_ARG(T5)>() | |
128 | ||
129 | # define BOOST_ASIO_VARIADIC_DECAY(n) \ | |
130 | BOOST_ASIO_VARIADIC_DECAY_##n | |
131 | ||
132 | # define BOOST_ASIO_VARIADIC_DECAY_1 \ | |
133 | typename decay<T1>::type | |
134 | # define BOOST_ASIO_VARIADIC_DECAY_2 \ | |
135 | typename decay<T1>::type, typename decay<T2>::type | |
136 | # define BOOST_ASIO_VARIADIC_DECAY_3 \ | |
137 | typename decay<T1>::type, typename decay<T2>::type, \ | |
138 | typename decay<T3>::type | |
139 | # define BOOST_ASIO_VARIADIC_DECAY_4 \ | |
140 | typename decay<T1>::type, typename decay<T2>::type, \ | |
141 | typename decay<T3>::type, typename decay<T4>::type | |
142 | # define BOOST_ASIO_VARIADIC_DECAY_5 \ | |
143 | typename decay<T1>::type, typename decay<T2>::type, \ | |
144 | typename decay<T3>::type, typename decay<T4>::type, \ | |
145 | typename decay<T5>::type | |
146 | ||
147 | # define BOOST_ASIO_VARIADIC_GENERATE(m) m(1) m(2) m(3) m(4) m(5) | |
148 | ||
149 | #endif // !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES) | |
150 | ||
151 | #endif // BOOST_ASIO_DETAIL_VARIADIC_TEMPLATES_HPP |