ceph/src/boost/libs/spirit/include/boost/spirit/repository/home/support/subrule_context.hpp

   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