ceph/src/boost/libs/spirit/include/boost/spirit/home/classic/meta/fundamental.hpp

   1 /*=============================================================================
   2     Copyright (c) 2002-2003 Hartmut Kaiser
   3     http://spirit.sourceforge.net/
   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_FUNDAMENTAL_HPP)
   9 #define BOOST_SPIRIT_FUNDAMENTAL_HPP
  10
  11 #include <boost/spirit/home/classic/namespace.hpp>
  12 #include <boost/spirit/home/classic/meta/impl/fundamental.ipp>
  13
  14 namespace boost { namespace spirit {
  15
  16 BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
  17
  18     ///////////////////////////////////////////////////////////////////////////
  19     //
  20     //  Helper template for counting the number of nodes contained in a
  21     //  given parser type.
  22     //  All parser_category type parsers are counted as nodes.
  23     //
  24     ///////////////////////////////////////////////////////////////////////////
  25     template <typename ParserT>
  26     struct node_count {
  27
  28         typedef typename ParserT::parser_category_t parser_category_t;
  29         typedef typename impl::nodes<parser_category_t>
  30             ::template count<ParserT, mpl::int_<0> > count_t;
  31
  32         BOOST_STATIC_CONSTANT(int, value = count_t::value);
  33     };
  34
  35     ///////////////////////////////////////////////////////////////////////////
  36     //
  37     //  Helper template for counting the number of leaf nodes contained in a
  38     //  given parser type.
  39     //  Only plain_parser_category type parsers are counted as leaf nodes.
  40     //
  41     ///////////////////////////////////////////////////////////////////////////
  42     template <typename ParserT>
  43     struct leaf_count {
  44
  45         typedef typename ParserT::parser_category_t parser_category_t;
  46         typedef typename impl::leafs<parser_category_t>
  47             ::template count<ParserT, mpl::int_<0> > count_t;
  48
  49         BOOST_STATIC_CONSTANT(int, value = count_t::value);
  50     };
  51
  52 BOOST_SPIRIT_CLASSIC_NAMESPACE_END
  53
  54 }} // namespace BOOST_SPIRIT_CLASSIC_NS
  55
  56 #endif // !defined(BOOST_SPIRIT_FUNDAMENTAL_HPP)