error_handler.hpp

/*=============================================================================
    Copyright (c) 2001-2009 Joel de Guzman

    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)
=============================================================================*/

#ifndef ERROR_HANDLER_HPP_
#define ERROR_HANDLER_HPP_

#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <iostream>

///////////////////////////////////////////////////////////////////////////////
//  Our error handler
///////////////////////////////////////////////////////////////////////////////
struct error_handler_
{
    template <typename, typename, typename>
    struct result { typedef void type; };

    template <typename Iterator>
    void operator()(
        boost::spirit::qi::info const& what
      , Iterator err_pos, Iterator last) const
    {
        std::cout
            << "Error! Expecting "
            << what                         // what failed?
            << " here: \""
            << std::string(err_pos, last)   // iterators to error-pos, end
            << "\""
            << std::endl
        ;
    }
};

boost::phoenix::function<error_handler_> const error_handler =
		error_handler_();



#endif /* ERROR_HANDLER_HPP_ */