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1 | /*============================================================================= |
2 | Copyright (c) 2009 Francois Barel | |
3 | Copyright (c) 2001-2010 Joel de Guzman | |
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 | #if !defined(BOOST_SPIRIT_REPOSITORY_SUPPORT_SUBRULE_CONTEXT_AUGUST_12_2009_0539PM) | |
9 | #define BOOST_SPIRIT_REPOSITORY_SUPPORT_SUBRULE_CONTEXT_AUGUST_12_2009_0539PM | |
10 | ||
11 | #if defined(_MSC_VER) | |
12 | #pragma once | |
13 | #endif | |
14 | ||
15 | #include <boost/spirit/home/support/context.hpp> | |
16 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | namespace boost { namespace spirit { namespace repository | |
19 | { | |
20 | /////////////////////////////////////////////////////////////////////////// | |
21 | // subrule_context: special context used with subrules, to pass around | |
22 | // the current set of subrule definitions (subrule_group) | |
23 | /////////////////////////////////////////////////////////////////////////// | |
24 | template <typename Group, typename Attributes, typename Locals> | |
25 | struct subrule_context | |
26 | : context<Attributes, Locals> | |
27 | { | |
28 | typedef context<Attributes, Locals> base_type; | |
29 | typedef Group group_type; | |
30 | ||
31 | subrule_context( | |
32 | Group const& group | |
33 | , typename Attributes::car_type attribute | |
34 | ) : base_type(attribute), group(group) | |
35 | { | |
36 | } | |
37 | ||
38 | template <typename Args, typename Context> | |
39 | subrule_context( | |
40 | Group const& group | |
41 | , typename Attributes::car_type attribute | |
42 | , Args const& args | |
43 | , Context& caller_context | |
44 | ) : base_type(attribute, args, caller_context), group(group) | |
45 | { | |
46 | } | |
47 | ||
48 | subrule_context(Group const& group, Attributes const& attributes) | |
49 | : base_type(attributes), group(group) | |
50 | { | |
51 | } | |
52 | ||
53 | Group const& group; | |
54 | }; | |
55 | }}} | |
56 | ||
57 | #endif |