1 //
2 // detail/variadic_templates.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 //
5 // Copyright (c) 2003-2015 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 x1
38 # define BOOST_ASIO_VARIADIC_TARGS_2 x1, x2
39 # define BOOST_ASIO_VARIADIC_TARGS_3 x1, x2, x3
40 # define BOOST_ASIO_VARIADIC_TARGS_4 x1, x2, x3, x4
41 # define BOOST_ASIO_VARIADIC_TARGS_5 x1, x2, x3, x4, x5
42 
43 # define BOOST_ASIO_VARIADIC_PARAMS(n) BOOST_ASIO_VARIADIC_PARAMS_##n
44 
45 # define BOOST_ASIO_VARIADIC_PARAMS_1 T1 x1
46 # define BOOST_ASIO_VARIADIC_PARAMS_2 T1 x1, T2 x2
47 # define BOOST_ASIO_VARIADIC_PARAMS_3 T1 x1, T2 x2, T3 x3
48 # define BOOST_ASIO_VARIADIC_PARAMS_4 T1 x1, T2 x2, T3 x3, T4 x4
49 # define BOOST_ASIO_VARIADIC_PARAMS_5 T1 x1, T2 x2, T3 x3, T4 x4, T5 x5
50 
51 # define BOOST_ASIO_VARIADIC_ARGS(n) BOOST_ASIO_VARIADIC_ARGS_##n
52 
53 # define BOOST_ASIO_VARIADIC_ARGS_1 x1
54 # define BOOST_ASIO_VARIADIC_ARGS_2 x1, x2
55 # define BOOST_ASIO_VARIADIC_ARGS_3 x1, x2, x3
56 # define BOOST_ASIO_VARIADIC_ARGS_4 x1, x2, x3, x4
57 # define BOOST_ASIO_VARIADIC_ARGS_5 x1, x2, x3, x4, x5
58 
59 # define BOOST_ASIO_VARIADIC_GENERATE(m) m(1) m(2) m(3) m(4) m(5)
60 
61 #endif // !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
62 
63 #endif // BOOST_ASIO_DETAIL_VARIADIC_TEMPLATES_HPP
64