/*============================================================================= | |
Copyright (c) 2006 Tobias Schwinger | |
http://spirit.sourceforge.net/ | |
Distributed under the Boost Software License, Version 1.0. (See accompanying | |
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
=============================================================================*/ | |
#if !defined(BOOST_SPIRIT_GRAMMAR_DEF_FWD_HPP) | |
#define BOOST_SPIRIT_GRAMMAR_DEF_FWD_HPP | |
#include <boost/spirit/home/classic/namespace.hpp> | |
#include <boost/spirit/home/classic/phoenix/tuples.hpp> | |
#include <boost/preprocessor/repetition/enum_binary_params.hpp> | |
#include <boost/preprocessor/facilities/intercept.hpp> | |
#if !defined(BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT) | |
#define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT PHOENIX_LIMIT | |
#endif | |
// Calculate an integer rounded up to the nearest integer dividable by 3 | |
#if BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT > 12 | |
#define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A 15 | |
#elif BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT > 9 | |
#define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A 12 | |
#elif BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT > 6 | |
#define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A 9 | |
#elif BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT > 3 | |
#define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A 6 | |
#else | |
#define BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A 3 | |
#endif | |
namespace boost { namespace spirit { | |
BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN | |
template < | |
typename T, | |
BOOST_PP_ENUM_BINARY_PARAMS( | |
BOOST_PP_DEC(BOOST_SPIRIT_GRAMMAR_STARTRULE_TYPE_LIMIT_A), | |
typename T, = ::phoenix::nil_t BOOST_PP_INTERCEPT | |
) | |
> | |
class grammar_def; | |
BOOST_SPIRIT_CLASSIC_NAMESPACE_END | |
}} // namespace BOOST_SPIRIT_CLASSIC_NS | |
#endif | |