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/Src/Dependencies/Boost/boost/proto/detail/vararg_matches_impl.hpp

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C++ Header | 58 lines | 38 code | 13 blank | 7 comment | 3 complexity | 2c5d87aaf64e5cc027bbc9ca3144ff67 MD5 | raw file
 1#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
 2
 3    #include <boost/proto/detail/preprocessed/vararg_matches_impl.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/vararg_matches_impl.hpp")
 9    #endif
10
11    ///////////////////////////////////////////////////////////////////////////////
12    /// \file vararg_matches_impl.hpp
13    /// Specializations of the vararg_matches_impl 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, (2, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/vararg_matches_impl.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 Args, typename Back, long To>
36    struct vararg_matches_impl<Args, Back, N, To>
37      : and_2<
38            matches_<
39                typename detail::expr_traits<typename Args::BOOST_PP_CAT(child, BOOST_PP_DEC(N))>::value_type::proto_derived_expr
40              , typename detail::expr_traits<typename Args::BOOST_PP_CAT(child, BOOST_PP_DEC(N))>::value_type::proto_grammar
41              , Back
42            >::value
43          , vararg_matches_impl<Args, Back, N + 1, To>
44        >
45    {};
46
47    template<typename Args, typename Back>
48    struct vararg_matches_impl<Args, Back, N, N>
49      : matches_<
50            typename detail::expr_traits<typename Args::BOOST_PP_CAT(child, BOOST_PP_DEC(N))>::value_type::proto_derived_expr
51          , typename detail::expr_traits<typename Args::BOOST_PP_CAT(child, BOOST_PP_DEC(N))>::value_type::proto_grammar
52          , Back
53        >
54    {};
55
56    #undef N
57
58#endif