48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
2 years ago
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef BOOST_SPIRIT_SUPPORT_DETAIL_WHAT_FUNCTION_HPP
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#define BOOST_SPIRIT_SUPPORT_DETAIL_WHAT_FUNCTION_HPP
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#include <string>
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#include <boost/spirit/home/support/info.hpp>
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#include <boost/detail/workaround.hpp>
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namespace boost { namespace spirit { namespace detail
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{
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template <typename Context>
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struct what_function
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{
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what_function(info& what_, Context& context_)
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: what(what_), context(context_)
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{
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what.value = std::list<info>();
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}
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template <typename Component>
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void operator()(Component const& component) const
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{
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#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
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component; // suppresses warning: C4100: 'component' : unreferenced formal parameter
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#endif
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boost::get<std::list<info> >(what.value).
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push_back(component.what(context));
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}
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info& what;
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Context& context;
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// silence MSVC warning C4512: assignment operator could not be generated
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BOOST_DELETED_FUNCTION(what_function& operator= (what_function const&))
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};
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}}}
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#endif
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