ceph/src/boost/boost/spirit/home/classic/utility/grammar_def_fwd.hpp

   1 /*=============================================================================
   2     Copyright (c) 2006 Tobias Schwinger
   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_GRAMMAR_DEF_FWD_HPP)
   9 #define BOOST_SPIRIT_GRAMMAR_DEF_FWD_HPP
  10
  11 #include <boost/spirit/home/classic/namespace.hpp>
  12 #include <boost/spirit/home/classic/phoenix/tuples.hpp>
  13
  14 #include <boost/preprocessor/repetition/enum_binary_params.hpp>
  15 #include <boost/preprocessor/facilities/intercept.hpp>
  16
  17 #if !defined(BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT)
  18 #define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT PHOENIX_LIMIT
  19 #endif
  20
  21 //  Calculate an integer rounded up to the nearest integer dividable by 3
  22 #if BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT > 12
  23 #define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A     15
  24 #elif BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT > 9
  25 #define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A     12
  26 #elif BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT > 6
  27 #define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A     9
  28 #elif BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT > 3
  29 #define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A     6
  30 #else
  31 #define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A     3
  32 #endif
  33
  34 namespace boost { namespace spirit {
  35
  36 BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
  37
  38     template <
  39         typename T,
  40         BOOST_PP_ENUM_BINARY_PARAMS(
  41             BOOST_PP_DEC(BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A),
  42             typename T, = ::phoenix::nil_t BOOST_PP_INTERCEPT
  43         )
  44     >
  45     class grammar_def;
  46
  47 BOOST_SPIRIT_CLASSIC_NAMESPACE_END
  48
  49 }} // namespace BOOST_SPIRIT_CLASSIC_NS
  50
  51 #endif
  52