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1 | /*============================================================================= |
2 | Copyright (c) 2001-2011 Joel de Guzman | |
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 | #if !defined(SPIRIT_WHAT_FUNCTION_APRIL_22_2007_0236PM) | |
8 | #define SPIRIT_WHAT_FUNCTION_APRIL_22_2007_0236PM | |
9 | ||
10 | #if defined(_MSC_VER) | |
11 | #pragma once | |
12 | #endif | |
13 | ||
14 | #include <string> | |
15 | #include <boost/spirit/home/support/info.hpp> | |
16 | #include <boost/detail/workaround.hpp> | |
17 | ||
18 | namespace boost { namespace spirit { namespace detail | |
19 | { | |
20 | template <typename Context> | |
21 | struct what_function | |
22 | { | |
23 | what_function(info& what_, Context& context_) | |
24 | : what(what_), context(context_) | |
25 | { | |
26 | what.value = std::list<info>(); | |
27 | } | |
28 | ||
29 | template <typename Component> | |
30 | void operator()(Component const& component) const | |
31 | { | |
32 | #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600)) | |
33 | component; // suppresses warning: C4100: 'component' : unreferenced formal parameter | |
34 | #endif | |
35 | boost::get<std::list<info> >(what.value). | |
36 | push_back(component.what(context)); | |
37 | } | |
38 | ||
39 | info& what; | |
40 | Context& context; | |
41 | ||
42 | private: | |
43 | // silence MSVC warning C4512: assignment operator could not be generated | |
44 | what_function& operator= (what_function const&); | |
45 | }; | |
46 | }}} | |
47 | ||
48 | #endif |