ceph/src/boost/boost/spirit/home/support/detail/what_function.hpp

   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 #ifndef BOOST_SPIRIT_SUPPORT_DETAIL_WHAT_FUNCTION_HPP
   8 #define BOOST_SPIRIT_SUPPORT_DETAIL_WHAT_FUNCTION_HPP
   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             (void)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         // silence MSVC warning C4512: assignment operator could not be generated
  43         BOOST_DELETED_FUNCTION(what_function& operator= (what_function const&))
  44     };
  45 }}}
  46
  47 #endif