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3rdparty/boost_1_81_0/boost/proto/detail/funop.hpp 3.27 KB
0b6a182c   Hu Chunming   添加无鉴权注册和注销
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  #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
  
      #include <boost/proto/detail/preprocessed/funop.hpp>
  
  #elif !defined(BOOST_PP_IS_ITERATING)
  
      #define BOOST_PROTO_AS_CHILD_TYPE(Z, N, DATA)                                                   \
          typename proto::result_of::as_child<BOOST_PP_CAT(A, N), Domain>::type                       \
          /**/
  
      #define BOOST_PROTO_AS_CHILD(Z, N, DATA)                                                        \
          proto::as_child<Domain>(BOOST_PP_CAT(a, N))                                                 \
          /**/
  
      #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
          #pragma wave option(preserve: 2, line: 0, output: "preprocessed/funop.hpp")
      #endif
  
      ///////////////////////////////////////////////////////////////////////////////
      // funop.hpp
      // Contains definition of funop[n]\<\> class template.
      //
      //  Copyright 2008 Eric Niebler. Distributed under the Boost
      //  Software License, Version 1.0. (See accompanying file
      //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  
      #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
          #pragma wave option(preserve: 1)
      #endif
  
      #define BOOST_PP_ITERATION_PARAMS_1                                                             \
          (3, (0, BOOST_PP_DEC(BOOST_PROTO_MAX_FUNCTION_CALL_ARITY), <boost/proto/detail/funop.hpp>))
      #include BOOST_PP_ITERATE()
  
      #undef BOOST_PROTO_AS_CHILD
      #undef BOOST_PROTO_AS_CHILD_TYPE
  
      #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
          #pragma wave option(output: null)
      #endif
  
  #else
  
      /// \brief A helper metafunction for computing the
      /// return type of \c proto::expr\<\>::operator().
      template<typename Expr, typename Domain BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), typename A)>
      struct BOOST_PP_CAT(funop, BOOST_PP_ITERATION())
      {
          typedef typename proto::base_expr<
              Domain
            , tag::function
            , BOOST_PP_CAT(list, BOOST_PP_INC(BOOST_PP_ITERATION()))<
                  Expr &
                  BOOST_PP_ENUM_TRAILING(BOOST_PP_ITERATION(), BOOST_PROTO_AS_CHILD_TYPE, ~)
              >
          >::type type;
  
          BOOST_FORCEINLINE
          static type const call(
              Expr &e
              BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(BOOST_PP_ITERATION(), A, &a)
          )
          {
              type that = {
                  e
                  BOOST_PP_ENUM_TRAILING(BOOST_PP_ITERATION(), BOOST_PROTO_AS_CHILD, ~)
              };
              return that;
          }
      };
  
      /// \brief A helper metafunction for computing the
      /// return type of \c proto::expr\<\>::operator().
      template<typename Expr BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), typename A), typename This, typename Domain>
      struct funop<Expr(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(), A)), This, Domain>
        : BOOST_PP_CAT(funop, BOOST_PP_ITERATION())<
              typename detail::same_cv<Expr, This>::type
            , Domain
              BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(
                  BOOST_PP_ITERATION()
                , typename remove_reference<A
                , >::type BOOST_PP_INTERCEPT
              )
          >
      {};
  
  #endif // BOOST_PROTO_DONT_USE_PREPROCESSED_FILES