ceph/src/boost/libs/spirit/include/boost/spirit/home/support/detail/make_vector.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2010 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #include <boost/version.hpp>
   8
   9 // This is the same as the one in fusion in Boost 1.41. This is provided
  10 // for compatibility with Boost 1.40 and below.
  11
  12 #if (BOOST_VERSION > 104000)
  13
  14 #include <boost/fusion/include/make_vector.hpp>
  15
  16 namespace boost { namespace spirit { namespace detail
  17 {
  18     namespace result_of
  19     {
  20         using fusion::result_of::make_vector;
  21     }
  22     using fusion::make_vector;
  23 }}}
  24
  25 #else
  26
  27 #ifndef BOOST_PP_IS_ITERATING
  28 #if !defined(SPIRIT_MAKE_VECTOR_07162005_0243)
  29 #define SPIRIT_MAKE_VECTOR_07162005_0243
  30
  31 #include <boost/preprocessor/iterate.hpp>
  32 #include <boost/preprocessor/repetition/enum_params.hpp>
  33 #include <boost/preprocessor/repetition/enum_binary_params.hpp>
  34 #include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
  35 #include <boost/preprocessor/repetition/repeat_from_to.hpp>
  36 #include <boost/fusion/container/vector/vector.hpp>
  37 #include <boost/fusion/support/detail/as_fusion_element.hpp>
  38
  39 namespace boost { namespace fusion
  40 {
  41     struct void_;
  42 }}
  43
  44 namespace boost { namespace spirit { namespace detail
  45 {
  46     namespace result_of
  47     {
  48         template <
  49             BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
  50                 FUSION_MAX_VECTOR_SIZE, typename T, fusion::void_)
  51           , typename Extra = fusion::void_
  52         >
  53         struct make_vector;
  54
  55         template <>
  56         struct make_vector<>
  57         {
  58             typedef fusion::vector0 type;
  59         };
  60     }
  61
  62     inline fusion::vector0
  63     make_vector()
  64     {
  65         return fusion::vector0();
  66     }
  67
  68 #define BOOST_FUSION_AS_FUSION_ELEMENT(z, n, data)                               \
  69     typename fusion::detail::as_fusion_element<BOOST_PP_CAT(T, n)>::type
  70
  71 #define BOOST_PP_FILENAME_1 <boost/spirit/home/support/detail/make_vector.hpp>
  72 #define BOOST_PP_ITERATION_LIMITS (1, FUSION_MAX_VECTOR_SIZE)
  73 #include BOOST_PP_ITERATE()
  74
  75 #undef BOOST_FUSION_AS_FUSION_ELEMENT
  76
  77 }}}
  78
  79 #endif
  80 #else // defined(BOOST_PP_IS_ITERATING)
  81 ///////////////////////////////////////////////////////////////////////////////
  82 //
  83 //  Preprocessor vertical repetition code
  84 //
  85 ///////////////////////////////////////////////////////////////////////////////
  86
  87 #define N BOOST_PP_ITERATION()
  88
  89     namespace result_of
  90     {
  91         template <BOOST_PP_ENUM_PARAMS(N, typename T)>
  92 #if defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS)
  93         #define TEXT(z, n, text) , text
  94         struct make_vector< BOOST_PP_ENUM_PARAMS(N, T) BOOST_PP_REPEAT_FROM_TO(BOOST_PP_DEC(N), FUSION_MAX_VECTOR_SIZE, TEXT, fusion::void_) >
  95         #undef TEXT
  96 #else
  97         struct make_vector<BOOST_PP_ENUM_PARAMS(N, T)>
  98 #endif
  99         {
 100             typedef BOOST_PP_CAT(fusion::vector, N)<BOOST_PP_ENUM(N, BOOST_FUSION_AS_FUSION_ELEMENT, _)> type;
 101         };
 102     }
 103
 104     template <BOOST_PP_ENUM_PARAMS(N, typename T)>
 105     inline BOOST_PP_CAT(fusion::vector, N)<BOOST_PP_ENUM(N, BOOST_FUSION_AS_FUSION_ELEMENT, _)>
 106     make_vector(BOOST_PP_ENUM_BINARY_PARAMS(N, T, const& _))
 107     {
 108         return BOOST_PP_CAT(fusion::vector, N)<BOOST_PP_ENUM(N, BOOST_FUSION_AS_FUSION_ELEMENT, _)>(
 109             BOOST_PP_ENUM_PARAMS(N, _));
 110     }
 111
 112 #undef N
 113 #endif // defined(BOOST_PP_IS_ITERATING)
 114 #endif // (BOOST_VERSION > 103800)