| 1 | /*============================================================================= |
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| 2 | Copyright (c) 2001-2011 Joel de Guzman |
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| 3 | |
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| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | =============================================================================*/ |
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| 7 | #if !defined(SPIRIT_WHAT_FUNCTION_APRIL_22_2007_0236PM) |
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| 8 | #define SPIRIT_WHAT_FUNCTION_APRIL_22_2007_0236PM |
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| 9 | |
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| 10 | #if defined(_MSC_VER) |
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| 11 | #pragma once |
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| 12 | #endif |
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| 13 | |
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| 14 | #include <string> |
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| 15 | #include <boost/spirit/home/support/info.hpp> |
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| 16 | #include <boost/detail/workaround.hpp> |
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| 17 | |
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| 18 | namespace boost { namespace spirit { namespace detail |
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| 19 | { |
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| 20 | template <typename Context> |
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| 21 | struct what_function |
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| 22 | { |
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| 23 | what_function(info& what_, Context& context_) |
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| 24 | : what(what_), context(context_) |
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| 25 | { |
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| 26 | what.value = std::list<info>(); |
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| 27 | } |
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| 28 | |
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| 29 | template <typename Component> |
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| 30 | void operator()(Component const& component) const |
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| 31 | { |
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| 32 | #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600)) |
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| 33 | component; // suppresses warning: C4100: 'component' : unreferenced formal parameter |
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| 34 | #endif |
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| 35 | boost::get<std::list<info> >(operand&: what.value). |
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| 36 | push_back(component.what(context)); |
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| 37 | } |
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| 38 | |
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| 39 | info& what; |
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| 40 | Context& context; |
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| 41 | |
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| 42 | private: |
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| 43 | // silence MSVC warning C4512: assignment operator could not be generated |
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| 44 | what_function& operator= (what_function const&); |
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| 45 | }; |
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| 46 | }}} |
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| 47 | |
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| 48 | #endif |
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| 49 | |
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