ceph/src/boost/boost/proto/detail/funop.hpp

   1 #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
   2
   3     #include <boost/proto/detail/preprocessed/funop.hpp>
   4
   5 #elif !defined(BOOST_PP_IS_ITERATING)
   6
   7     #define BOOST_PROTO_AS_CHILD_TYPE(Z, N, DATA)                                                   \
   8         typename proto::result_of::as_child<BOOST_PP_CAT(A, N), Domain>::type                       \
   9         /**/
  10
  11     #define BOOST_PROTO_AS_CHILD(Z, N, DATA)                                                        \
  12         proto::as_child<Domain>(BOOST_PP_CAT(a, N))                                                 \
  13         /**/
  14
  15     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
  16         #pragma wave option(preserve: 2, line: 0, output: "preprocessed/funop.hpp")
  17     #endif
  18
  19     ///////////////////////////////////////////////////////////////////////////////
  20     // funop.hpp
  21     // Contains definition of funop[n]\<\> class template.
  22     //
  23     //  Copyright 2008 Eric Niebler. Distributed under the Boost
  24     //  Software License, Version 1.0. (See accompanying file
  25     //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  26
  27     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
  28         #pragma wave option(preserve: 1)
  29     #endif
  30
  31     #define BOOST_PP_ITERATION_PARAMS_1                                                             \
  32         (3, (0, BOOST_PP_DEC(BOOST_PROTO_MAX_FUNCTION_CALL_ARITY), <boost/proto/detail/funop.hpp>))
  33     #include BOOST_PP_ITERATE()
  34
  35     #undef BOOST_PROTO_AS_CHILD
  36     #undef BOOST_PROTO_AS_CHILD_TYPE
  37
  38     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
  39         #pragma wave option(output: null)
  40     #endif
  41
  42 #else
  43
  44     /// \brief A helper metafunction for computing the
  45     /// return type of \c proto::expr\<\>::operator().
  46     template<typename Expr, typename Domain BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), typename A)>
  47     struct BOOST_PP_CAT(funop, BOOST_PP_ITERATION())
  48     {
  49         typedef typename proto::base_expr<
  50             Domain
  51           , tag::function
  52           , BOOST_PP_CAT(list, BOOST_PP_INC(BOOST_PP_ITERATION()))<
  53                 Expr &
  54                 BOOST_PP_ENUM_TRAILING(BOOST_PP_ITERATION(), BOOST_PROTO_AS_CHILD_TYPE, ~)
  55             >
  56         >::type type;
  57
  58         BOOST_FORCEINLINE
  59         static type const call(
  60             Expr &e
  61             BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(BOOST_PP_ITERATION(), A, &a)
  62         )
  63         {
  64             type that = {
  65                 e
  66                 BOOST_PP_ENUM_TRAILING(BOOST_PP_ITERATION(), BOOST_PROTO_AS_CHILD, ~)
  67             };
  68             return that;
  69         }
  70     };
  71
  72     /// \brief A helper metafunction for computing the
  73     /// return type of \c proto::expr\<\>::operator().
  74     template<typename Expr BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), typename A), typename This, typename Domain>
  75     struct funop<Expr(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(), A)), This, Domain>
  76       : BOOST_PP_CAT(funop, BOOST_PP_ITERATION())<
  77             typename detail::same_cv<Expr, This>::type
  78           , Domain
  79             BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(
  80                 BOOST_PP_ITERATION()
  81               , typename remove_reference<A
  82               , >::type BOOST_PP_INTERCEPT
  83             )
  84         >
  85     {};
  86
  87 #endif // BOOST_PROTO_DONT_USE_PREPROCESSED_FILES