ceph/src/boost/libs/proto/include/boost/proto/detail/vararg_matches_impl.hpp

   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