#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