1 #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) 2 3 #if BOOST_WORKAROUND(__GNUC__, == 3) || (BOOST_WORKAROUND(__GNUC__, == 4) && __GNUC_MINOR__ == 0) 4 #include <boost/proto/transform/detail/preprocessed/make_gcc_workaround.hpp> 5 #endif 6 7 #elif !defined(BOOST_PP_IS_ITERATING) 8 9 #define BOOST_PROTO_EXPR_MAKE_ARG(Z, M, DATA) \ 10 detail::as_lvalue( \ 11 typename when<_, BOOST_PP_CAT(A, M)>::template impl<Expr, State, Data>()(e, s, d) \ 12 ) \ 13 /**/ 14 15 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) 16 #pragma wave option(preserve: 2, line: 0, output: "preprocessed/make_gcc_workaround.hpp") 17 #endif 18 19 /////////////////////////////////////////////////////////////////////////////// 20 /// \file make_gcc_workaround.hpp 21 /// Special workaround code to make the make\<\> transform work on certain 22 /// versions of gcc. 23 // 24 // Copyright 2008 Eric Niebler. Distributed under the Boost 25 // Software License, Version 1.0. (See accompanying file 26 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 27 28 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) 29 #pragma wave option(preserve: 1) 30 #endif 31 32 #if BOOST_WORKAROUND(__GNUC__, == 3) || (BOOST_WORKAROUND(__GNUC__, == 4) && __GNUC_MINOR__ == 0) || \ 33 (defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)) 34 35 #define BOOST_PP_ITERATION_PARAMS_1 \ 36 (3, (0, BOOST_PROTO_MAX_ARITY, <boost/proto/transform/detail/make_gcc_workaround.hpp>)) 37 #include BOOST_PP_ITERATE() 38 39 #endif 40 41 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) 42 #pragma wave option(output: null) 43 #endif 44 45 #undef BOOST_PROTO_EXPR_MAKE_ARG 46 47 #else 48 49 #define N BOOST_PP_ITERATION() 50 51 // work around GCC bug 52 template<typename Tag, typename Args, long Arity BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> 53 struct make<proto::expr<Tag, Args, Arity>(BOOST_PP_ENUM_PARAMS(N, A))> 54 : transform<make<proto::expr<Tag, Args, Arity>(BOOST_PP_ENUM_PARAMS(N, A))> > 55 { 56 template<typename Expr, typename State, typename Data> 57 struct impl : transform_impl<Expr, State, Data> 58 { 59 typedef proto::expr<Tag, Args, Arity> result_type; 60 61 BOOST_FORCEINLINE 62 result_type operator ()( 63 typename impl::expr_param e 64 , typename impl::state_param s 65 , typename impl::data_param d 66 ) const 67 { 68 return proto::expr<Tag, Args, Arity>::make( 69 BOOST_PP_ENUM(N, BOOST_PROTO_EXPR_MAKE_ARG, DATA) 70 ); 71 } 72 }; 73 }; 74 75 template<typename Tag, typename Args, long Arity BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> 76 struct make<proto::basic_expr<Tag, Args, Arity>(BOOST_PP_ENUM_PARAMS(N, A))> 77 : transform<make<proto::basic_expr<Tag, Args, Arity>(BOOST_PP_ENUM_PARAMS(N, A))> > 78 { 79 template<typename Expr, typename State, typename Data> 80 struct impl : transform_impl<Expr, State, Data> 81 { 82 typedef proto::basic_expr<Tag, Args, Arity> result_type; 83 84 BOOST_FORCEINLINE 85 result_type operator ()( 86 typename impl::expr_param e 87 , typename impl::state_param s 88 , typename impl::data_param d 89 ) const 90 { 91 return proto::basic_expr<Tag, Args, Arity>::make( 92 BOOST_PP_ENUM(N, BOOST_PROTO_EXPR_MAKE_ARG, DATA) 93 ); 94 } 95 }; 96 }; 97 98 #undef N 99 100 #endif 101