1/*=============================================================================
2 Copyright (c) 2005-2010 Joel de Guzman
3 Copyright (c) 2010 Eric Niebler
4
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_CORE_DOMAIN_HPP
9#define BOOST_PHOENIX_CORE_DOMAIN_HPP
10
11#include <boost/phoenix/core/limits.hpp>
12#include <boost/proto/matches.hpp>
13#include <boost/proto/transform/call.hpp>
14#include <boost/proto/transform/when.hpp>
15#include <boost/proto/domain.hpp>
16
17namespace boost { namespace phoenix
18{
19 template <typename Expr>
20 struct actor;
21
22 struct meta_grammar;
23
24 struct phoenix_generator
25 : proto::switch_<phoenix_generator>
26 {
27
28 BOOST_PROTO_USE_BASIC_EXPR()
29
30 template<typename Tag>
31 struct case_
32 : proto::otherwise<proto::call<proto::pod_generator<actor>(proto::_)> >
33 {};
34 };
35
36 // proto's assignment operator takes rhs by reference
37 template<>
38 struct phoenix_generator::case_<proto::tag::assign>
39 : proto::otherwise<proto::call<proto::compose_generators<
40 proto::by_value_generator
41 , proto::pod_generator<actor>
42 >(proto::_)> >
43 {};
44
45 // proto's subscript operator takes rhs by reference
46 template<>
47 struct phoenix_generator::case_<proto::tag::subscript>
48 : proto::otherwise<proto::call<proto::compose_generators<
49 proto::by_value_generator
50 , proto::pod_generator<actor>
51 >(proto::_)> >
52 {};
53
54 struct phoenix_default_domain
55 : proto::domain<
56 proto::basic_default_generator
57 , proto::_
58 , proto::basic_default_domain
59 >
60 {
61 template <typename T>
62 struct as_child
63 //: proto_base_domain::as_expr<T> // proto lambda example.
64 : as_expr<T>
65 {};
66 };
67
68 struct phoenix_domain
69 : proto::domain<
70 phoenix_generator
71 , meta_grammar
72 , proto::basic_default_domain
73 >
74 {
75 template <typename T>
76 struct as_child
77 //: proto_base_domain::as_expr<T> // proto lambda example.
78 : as_expr<T>
79 {};
80 };
81}}
82
83#endif
84