Chris@16: #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
Chris@16: 
Chris@16:     #include <boost/proto/detail/preprocessed/deep_copy.hpp>
Chris@16: 
Chris@16: #elif !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16:     #define BOOST_PROTO_DEFINE_DEEP_COPY_TYPE(Z, N, DATA)                                           \
Chris@16:         typename deep_copy_impl<                                                                    \
Chris@16:             typename remove_reference<                                                              \
Chris@16:                 typename Expr::BOOST_PP_CAT(proto_child, N)                                         \
Chris@16:             >::type::proto_derived_expr                                                             \
Chris@16:         >::result_type                                                                              \
Chris@16:         /**/
Chris@16: 
Chris@16:     #define BOOST_PROTO_DEFINE_DEEP_COPY_FUN(Z, N, DATA)                                            \
Chris@16:         proto::deep_copy(e.proto_base().BOOST_PP_CAT(child, N))                                     \
Chris@16:         /**/
Chris@16: 
Chris@16:     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16:         #pragma wave option(preserve: 2, line: 0, output: "preprocessed/deep_copy.hpp")
Chris@16:     #endif
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////////
Chris@16:     /// \file deep_copy.hpp
Chris@16:     /// Replace all nodes stored by reference by nodes stored by value.
Chris@16:     //
Chris@16:     //  Copyright 2008 Eric Niebler. Distributed under the Boost
Chris@16:     //  Software License, Version 1.0. (See accompanying file
Chris@16:     //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16:     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16:         #pragma wave option(preserve: 1)
Chris@16:     #endif
Chris@16: 
Chris@16:     #define BOOST_PP_ITERATION_PARAMS_1                                                             \
Chris@16:         (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/deep_copy.hpp>))
Chris@16:     #include BOOST_PP_ITERATE()
Chris@16: 
Chris@16:     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16:         #pragma wave option(output: null)
Chris@16:     #endif
Chris@16: 
Chris@16:     #undef BOOST_PROTO_DEFINE_DEEP_COPY_FUN
Chris@16:     #undef BOOST_PROTO_DEFINE_DEEP_COPY_TYPE
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16:     #define N BOOST_PP_ITERATION()
Chris@16: 
Chris@16:     template<typename Expr>
Chris@16:     struct deep_copy_impl<Expr, N>
Chris@16:     {
Chris@16:         typedef
Chris@16:             typename base_expr<
Chris@16:                 typename Expr::proto_domain
Chris@16:               , typename Expr::proto_tag
Chris@16:               , BOOST_PP_CAT(list, N)<
Chris@16:                     BOOST_PP_ENUM(N, BOOST_PROTO_DEFINE_DEEP_COPY_TYPE, ~)
Chris@16:                 >
Chris@16:             >::type
Chris@16:         expr_type;
Chris@16: 
Chris@16:         typedef typename Expr::proto_generator proto_generator;
Chris@16:         typedef typename proto_generator::template result<proto_generator(expr_type)>::type result_type;
Chris@16: 
Chris@16:         template<typename Expr2, typename S, typename D>
Chris@16:         result_type operator()(Expr2 const &e, S const &, D const &) const
Chris@16:         {
Chris@16:             expr_type const that = {
Chris@16:                 BOOST_PP_ENUM(N, BOOST_PROTO_DEFINE_DEEP_COPY_FUN, ~)
Chris@16:             };
Chris@16: 
Chris@16:             return proto_generator()(that);
Chris@16:         }
Chris@16:     };
Chris@16: 
Chris@16:     #undef N
Chris@16: 
Chris@16: #endif