| // Copyright (c) 2001-2010 Joel de Guzman |
| // Copyright (c) 2001-2010 Hartmut Kaiser |
| // 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_KARMA_PARAMETERIZED_AUGUST_09_2009_0601AM) |
| #define BOOST_SPIRIT_KARMA_PARAMETERIZED_AUGUST_09_2009_0601AM |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/ref.hpp> |
| |
| #include <boost/spirit/home/karma/generator.hpp> |
| |
| namespace boost { namespace spirit { namespace karma |
| { |
| /////////////////////////////////////////////////////////////////////////// |
| // parameterized_nonterminal: generator representing the invocation of a |
| // nonterminal, passing inherited attributes |
| /////////////////////////////////////////////////////////////////////////// |
| template <typename Subject, typename Params> |
| struct parameterized_nonterminal |
| : generator<parameterized_nonterminal<Subject, Params> > |
| { |
| typedef mpl::int_<generator_properties::all_properties> properties; |
| |
| parameterized_nonterminal(Subject const& subject, Params const& params) |
| : ref(subject), params(params) |
| { |
| } |
| |
| template <typename Context, typename Unused> |
| struct attribute |
| // Forward to subject. |
| : Subject::template attribute<Context, Unused> {}; |
| |
| template <typename OutputIterator, typename Context, typename Delimiter |
| , typename Attribute> |
| bool generate(OutputIterator& sink, Context& context |
| , Delimiter const& delim, Attribute const& attr) const |
| { |
| // Forward to subject, passing the additional |
| // params argument to generate. |
| return ref.get().generate(sink, context, delim, 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 |