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- #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
- #if BOOST_WORKAROUND(__GNUC__, == 3) || (BOOST_WORKAROUND(__GNUC__, == 4) && __GNUC_MINOR__ == 0)
- #include <boost/proto/transform/detail/preprocessed/make_gcc_workaround.hpp>
- #endif
- #elif !defined(BOOST_PP_IS_ITERATING)
- #define BOOST_PROTO_EXPR_MAKE_ARG(Z, M, DATA) \
- detail::as_lvalue( \
- typename when<_, BOOST_PP_CAT(A, M)>::template impl<Expr, State, Data>()(e, s, d) \
- ) \
- /**/
- #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
- #pragma wave option(preserve: 2, line: 0, output: "preprocessed/make_gcc_workaround.hpp")
- #endif
- ///////////////////////////////////////////////////////////////////////////////
- /// \file make_gcc_workaround.hpp
- /// Special workaround code to make the make\<\> transform work on certain
- /// versions of gcc.
- //
- // 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
- #if BOOST_WORKAROUND(__GNUC__, == 3) || (BOOST_WORKAROUND(__GNUC__, == 4) && __GNUC_MINOR__ == 0) || \
- (defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES))
- #define BOOST_PP_ITERATION_PARAMS_1 \
- (3, (0, BOOST_PROTO_MAX_ARITY, <boost/proto/transform/detail/make_gcc_workaround.hpp>))
- #include BOOST_PP_ITERATE()
- #endif
- #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
- #pragma wave option(output: null)
- #endif
- #undef BOOST_PROTO_EXPR_MAKE_ARG
- #else
- #define N BOOST_PP_ITERATION()
- // work around GCC bug
- template<typename Tag, typename Args, long Arity BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
- struct make<proto::expr<Tag, Args, Arity>(BOOST_PP_ENUM_PARAMS(N, A))>
- : transform<make<proto::expr<Tag, Args, Arity>(BOOST_PP_ENUM_PARAMS(N, A))> >
- {
- template<typename Expr, typename State, typename Data>
- struct impl : transform_impl<Expr, State, Data>
- {
- typedef proto::expr<Tag, Args, Arity> result_type;
- BOOST_FORCEINLINE
- result_type operator ()(
- typename impl::expr_param e
- , typename impl::state_param s
- , typename impl::data_param d
- ) const
- {
- return proto::expr<Tag, Args, Arity>::make(
- BOOST_PP_ENUM(N, BOOST_PROTO_EXPR_MAKE_ARG, DATA)
- );
- }
- };
- };
- template<typename Tag, typename Args, long Arity BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
- struct make<proto::basic_expr<Tag, Args, Arity>(BOOST_PP_ENUM_PARAMS(N, A))>
- : transform<make<proto::basic_expr<Tag, Args, Arity>(BOOST_PP_ENUM_PARAMS(N, A))> >
- {
- template<typename Expr, typename State, typename Data>
- struct impl : transform_impl<Expr, State, Data>
- {
- typedef proto::basic_expr<Tag, Args, Arity> result_type;
- BOOST_FORCEINLINE
- result_type operator ()(
- typename impl::expr_param e
- , typename impl::state_param s
- , typename impl::data_param d
- ) const
- {
- return proto::basic_expr<Tag, Args, Arity>::make(
- BOOST_PP_ENUM(N, BOOST_PROTO_EXPR_MAKE_ARG, DATA)
- );
- }
- };
- };
- #undef N
- #endif
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