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/*=============================================================================
Boost.Wave: A Standard compliant C++ preprocessor library
http://www.boost.org/
Copyright (c) 2001-2005 Hartmut Kaiser. 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(CPP_EXPRESSION_GRAMMAR_GEN_HPP_42399258_6CDC_4101_863D_5C7D95B5A6CA_INCLUDED)
#define CPP_EXPRESSION_GRAMMAR_GEN_HPP_42399258_6CDC_4101_863D_5C7D95B5A6CA_INCLUDED
#include <list>
#include <boost/pool/pool_alloc.hpp>
#include <boost/wave/cpp_iteration_context.hpp>
///////////////////////////////////////////////////////////////////////////////
namespace boost {
namespace wave {
namespace grammars {
///////////////////////////////////////////////////////////////////////////////
//
// expression_grammar_gen template class
//
// This template helps separating the compilation of the
// expression_grammar class from the compilation of the main
// pp_iterator. This is done to safe compilation time.
//
///////////////////////////////////////////////////////////////////////////////
template <typename TokenT>
struct expression_grammar_gen {
typedef TokenT token_type;
typedef std::list<token_type, boost::fast_pool_allocator<token_type> >
token_sequence_type;
static bool evaluate(
typename token_sequence_type::const_iterator const &first,
typename token_sequence_type::const_iterator const &last,
typename token_type::position_type const &tok,
bool if_block_status);
};
///////////////////////////////////////////////////////////////////////////////
} // namespace grammars
} // namespace wave
} // namespace boost
#endif // !defined(CPP_EXPRESSION_GRAMMAR_GEN_HPP_42399258_6CDC_4101_863D_5C7D95B5A6CA_INCLUDED)