1/*=============================================================================
2 Copyright (c) 2011 Thomas Heller
3
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6==============================================================================*/
7#ifndef BOOST_PHOENIX_CORE_V2_EVAL_HPP
8#define BOOST_PHOENIX_CORE_V2_EVAL_HPP
9
10#include <boost/phoenix/core/limits.hpp>
11#include <boost/phoenix/core/environment.hpp>
12#include <boost/phoenix/core/is_actor.hpp>
13#include <boost/phoenix/core/meta_grammar.hpp>
14#include <boost/phoenix/core/terminal_fwd.hpp>
15#include <boost/phoenix/support/vector.hpp>
16#include <boost/proto/transform/fold.hpp>
17#include <boost/proto/transform/lazy.hpp>
18
19namespace boost { namespace phoenix
20{
21 struct v2_eval
22 : proto::callable
23 {
24 template <typename Sig>
25 struct result;
26
27 template <typename This, typename Eval, typename Env>
28 struct result<This(Eval, Env)>
29 : Eval::template result<typename proto::detail::uncvref<Env>::type>
30 {};
31
32 template <typename This, typename Eval, typename Env>
33 struct result<This(Eval &, Env)>
34 : Eval::template result<typename proto::detail::uncvref<Env>::type>
35 {};
36
37 template <typename This, typename Eval, typename Env>
38 struct result<This(Eval const &, Env)>
39 : Eval::template result<typename proto::detail::uncvref<Env>::type>
40 {};
41
42 template <typename Eval, typename Env>
43 typename result<v2_eval(Eval const&, Env)>::type
44 operator()(Eval const & e, Env const & env) const
45 {
46 return e.eval(env);
47 }
48 };
49}}
50
51#endif
52