/*=============================================================================

    Copyright (c) 2006 Tobias Schwinger

    http://spirit.sourceforge.net/



    Use, modification and distribution is subject to 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_TREE_AST_FWD_HPP)

#define BOOST_SPIRIT_TREE_AST_FWD_HPP



#include <boost/spirit/core/nil.hpp>



namespace boost { namespace spirit {



    template <

        typename MatchPolicyT, 

        typename NodeFactoryT, 

        typename T = nil_t

    >

    struct ast_tree_policy;



    template <

        typename IteratorT,

        typename NodeFactoryT = node_val_data_factory<nil_t>,

        typename T = nil_t

    >

    struct ast_match_policy;



    template <typename T>

    struct gen_ast_node_parser;



    struct root_node_op;



}} // namespace boost::spirit



#endif



