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- #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;
- BOOST_FORCEINLINE
- 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;
- BOOST_FORCEINLINE
- static type const call(src_type const &e)
- {
- type that = {
- BOOST_PP_ENUM_PARAMS(N, e.child)
- };
- return that;
- }
- };
- #undef N
- #endif
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