1 /*==============================================================================
2 Copyright (c) 2001-2010 Joel de Guzman
3 Copyright (c) 2010 Thomas Heller
5 Distributed under the Boost Software License, Version 1.0. (See accompanying
6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 ==============================================================================*/
8 #ifndef BOOST_PHOENIX_OBJECT_REINTERPRET_CAST_HPP
9 #define BOOST_PHOENIX_OBJECT_REINTERPRET_CAST_HPP
11 #include <boost/phoenix/core/limits.hpp>
12 #include <boost/phoenix/core/call.hpp>
13 #include <boost/phoenix/core/expression.hpp>
14 #include <boost/phoenix/core/meta_grammar.hpp>
15 #include <boost/phoenix/object/detail/target.hpp>
16 #include <boost/proto/transform/lazy.hpp>
18 BOOST_PHOENIX_DEFINE_EXPRESSION(
19 (boost)(phoenix)(reinterpret_cast_)
20 , (proto::terminal<detail::target<proto::_> >)
24 namespace boost { namespace phoenix
26 struct reinterpret_cast_eval
28 template <typename Sig>
31 template <typename This, typename Target, typename Source, typename Context>
32 struct result<This(Target, Source, Context)>
33 : detail::result_of::target<Target>
36 template <typename Target, typename Source, typename Context>
37 typename detail::result_of::target<Target>::type
38 operator()(Target, Source const& u, Context const& ctx) const
42 typename detail::result_of::target<Target>::type
43 >(boost::phoenix::eval(u, ctx));
47 template <typename Dummy>
48 struct default_actions::when<rule::reinterpret_cast_, Dummy>
49 : call<reinterpret_cast_eval, Dummy>
52 template <typename T, typename U>
54 typename expression::reinterpret_cast_<detail::target<T>, U>::type const
55 reinterpret_cast_(U const& u)
59 reinterpret_cast_<detail::target<T>, U>::
60 make(detail::target<T>(), u);