| #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) |
| |
| #include <boost/proto/detail/preprocessed/generate_by_value.hpp> |
| |
| #elif !defined(BOOST_PP_IS_ITERATING) |
| |
| #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
| #pragma wave option(preserve: 2, line: 0, output: "preprocessed/generate_by_value.hpp") |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| /// \file generate_by_value.hpp |
| /// Contains definition of by_value_generator_\<\> 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, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/generate_by_value.hpp>)) |
| #include BOOST_PP_ITERATE() |
| |
| #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
| #pragma wave option(output: null) |
| #endif |
| |
| #else // BOOST_PP_IS_ITERATING |
| |
| #define N BOOST_PP_ITERATION() |
| |
| template<typename Tag BOOST_PP_ENUM_TRAILING_PARAMS(N, typename Arg) > |
| struct by_value_generator_< |
| proto::expr<Tag, BOOST_PP_CAT(list, N)<BOOST_PP_ENUM_PARAMS(N, Arg)>, N> |
| > |
| { |
| typedef |
| BOOST_PP_CAT(list, N)<BOOST_PP_ENUM_PARAMS(N, Arg)> |
| src_args; |
| |
| typedef |
| BOOST_PP_CAT(list, N)< |
| BOOST_PP_ENUM_BINARY_PARAMS(N, typename uncvref<Arg, >::type BOOST_PP_INTERCEPT) |
| > |
| dst_args; |
| |
| typedef proto::expr<Tag, src_args, N> src_type; |
| typedef proto::expr<Tag, dst_args, N> type; |
| |
| static type const call(src_type const &e) |
| { |
| type that = { |
| BOOST_PP_ENUM_PARAMS(N, e.child) |
| }; |
| return that; |
| } |
| }; |
| |
| template<typename Tag BOOST_PP_ENUM_TRAILING_PARAMS(N, typename Arg) > |
| struct by_value_generator_< |
| proto::basic_expr<Tag, BOOST_PP_CAT(list, N)<BOOST_PP_ENUM_PARAMS(N, Arg)>, N> |
| > |
| { |
| typedef |
| BOOST_PP_CAT(list, N)<BOOST_PP_ENUM_PARAMS(N, Arg)> |
| src_args; |
| |
| typedef |
| BOOST_PP_CAT(list, N)< |
| BOOST_PP_ENUM_BINARY_PARAMS(N, typename uncvref<Arg, >::type BOOST_PP_INTERCEPT) |
| > |
| dst_args; |
| |
| typedef proto::basic_expr<Tag, src_args, N> src_type; |
| typedef proto::basic_expr<Tag, dst_args, N> type; |
| |
| static type const call(src_type const &e) |
| { |
| type that = { |
| BOOST_PP_ENUM_PARAMS(N, e.child) |
| }; |
| return that; |
| } |
| }; |
| |
| #undef N |
| |
| #endif |