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/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2009 Francois Barel
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_PARAMETERIZED_AUGUST_09_2009_0539AM)
#define BOOST_SPIRIT_PARAMETERIZED_AUGUST_09_2009_0539AM
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/ref.hpp>
#include <boost/spirit/home/qi/parser.hpp>
namespace boost { namespace spirit { namespace qi
{
///////////////////////////////////////////////////////////////////////////
// parameterized_nonterminal: parser representing the invocation of a
// nonterminal, passing inherited attributes
///////////////////////////////////////////////////////////////////////////
template <typename Subject, typename Params>
struct parameterized_nonterminal
: parser<parameterized_nonterminal<Subject, Params> >
{
parameterized_nonterminal(Subject const& subject, Params const& params)
: ref(subject), params(params)
{
}
template <typename Context, typename Iterator>
struct attribute
// Forward to subject.
: Subject::template attribute<Context, Iterator> {};
template <typename Iterator, typename Context
, typename Skipper, typename Attribute>
bool parse(Iterator& first, Iterator const& last
, Context& context, Skipper const& skipper
, Attribute& attr) const
{
// Forward to subject, passing the additional
// params argument to parse.
return ref.get().parse(first, last, context, skipper, attr, params);
}
template <typename Context>
info what(Context& context) const
{
// Forward to subject.
return ref.get().what(context);
}
boost::reference_wrapper<Subject const> ref;
Params params;
};
}}}
#endif