80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
|
|
|
|
#include <boost/proto/detail/preprocessed/deep_copy.hpp>
|
|
|
|
#elif !defined(BOOST_PP_IS_ITERATING)
|
|
|
|
#define BOOST_PROTO_DEFINE_DEEP_COPY_TYPE(Z, N, DATA) \
|
|
typename deep_copy_impl< \
|
|
typename remove_reference< \
|
|
typename Expr::BOOST_PP_CAT(proto_child, N) \
|
|
>::type::proto_derived_expr \
|
|
>::result_type \
|
|
/**/
|
|
|
|
#define BOOST_PROTO_DEFINE_DEEP_COPY_FUN(Z, N, DATA) \
|
|
proto::deep_copy(e.proto_base().BOOST_PP_CAT(child, N)) \
|
|
/**/
|
|
|
|
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
|
|
#pragma wave option(preserve: 2, line: 0, output: "preprocessed/deep_copy.hpp")
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
/// \file deep_copy.hpp
|
|
/// Replace all nodes stored by reference by nodes stored by value.
|
|
//
|
|
// 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/deep_copy.hpp>))
|
|
#include BOOST_PP_ITERATE()
|
|
|
|
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
|
|
#pragma wave option(output: null)
|
|
#endif
|
|
|
|
#undef BOOST_PROTO_DEFINE_DEEP_COPY_FUN
|
|
#undef BOOST_PROTO_DEFINE_DEEP_COPY_TYPE
|
|
|
|
#else
|
|
|
|
#define N BOOST_PP_ITERATION()
|
|
|
|
template<typename Expr>
|
|
struct deep_copy_impl<Expr, N>
|
|
{
|
|
typedef
|
|
typename base_expr<
|
|
typename Expr::proto_domain
|
|
, typename Expr::proto_tag
|
|
, BOOST_PP_CAT(list, N)<
|
|
BOOST_PP_ENUM(N, BOOST_PROTO_DEFINE_DEEP_COPY_TYPE, ~)
|
|
>
|
|
>::type
|
|
expr_type;
|
|
|
|
typedef typename Expr::proto_generator proto_generator;
|
|
typedef typename proto_generator::template result<proto_generator(expr_type)>::type result_type;
|
|
|
|
template<typename Expr2, typename S, typename D>
|
|
result_type operator()(Expr2 const &e, S const &, D const &) const
|
|
{
|
|
expr_type const that = {
|
|
BOOST_PP_ENUM(N, BOOST_PROTO_DEFINE_DEEP_COPY_FUN, ~)
|
|
};
|
|
|
|
return proto_generator()(that);
|
|
}
|
|
};
|
|
|
|
#undef N
|
|
|
|
#endif
|