1 /*=============================================================================
2 Copyright (c) 2002-2003 Joel de Guzman
3 Copyright (c) 2002-2003 Hartmut Kaiser
4 http://spirit.sourceforge.net/
6 Distributed under the Boost Software License, Version 1.0. (See accompanying
7 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
8 =============================================================================*/
9 #if !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_HPP)
10 #define BOOST_SPIRIT_CLOSURE_CONTEXT_HPP
12 #include <boost/spirit/home/classic/namespace.hpp>
14 ///////////////////////////////////////////////////////////////////////////////
15 namespace boost { namespace spirit {
17 BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
19 #if !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED)
20 #define BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED
22 ///////////////////////////////////////////////////////////////////////////////
24 // closure_context_linker
25 // { helper template for the closure extendability }
27 // This classes can be 'overloaded' (defined elsewhere), to plug
28 // in additional functionality into the closure parsing process.
30 ///////////////////////////////////////////////////////////////////////////////
32 template<typename ContextT>
33 struct closure_context_linker : public ContextT
35 template <typename ParserT>
36 closure_context_linker(ParserT const& p)
39 template <typename ParserT, typename ScannerT>
40 void pre_parse(ParserT const& p, ScannerT const& scan)
41 { ContextT::pre_parse(p, scan); }
43 template <typename ResultT, typename ParserT, typename ScannerT>
45 post_parse(ResultT& hit, ParserT const& p, ScannerT const& scan)
46 { return ContextT::post_parse(hit, p, scan); }
49 #endif // !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED)
51 ///////////////////////////////////////////////////////////////////////////////
52 BOOST_SPIRIT_CLASSIC_NAMESPACE_END
54 }} // namespace BOOST_SPIRIT_CLASSIC_NS
56 #endif // BOOST_SPIRIT_CLOSURE_CONTEXT_HPP