| 1 | /*============================================================================= |
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| 2 | Copyright (c) 2002-2003 Joel de Guzman |
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| 3 | Copyright (c) 2002-2003 Hartmut Kaiser |
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| 4 | http://spirit.sourceforge.net/ |
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| 5 | |
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| 6 | Use, modification and distribution is subject to the Boost Software |
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| 7 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 8 | http://www.boost.org/LICENSE_1_0.txt) |
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| 9 | =============================================================================*/ |
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| 10 | #if !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_HPP) |
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| 11 | #define BOOST_SPIRIT_CLOSURE_CONTEXT_HPP |
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| 12 | |
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| 13 | /////////////////////////////////////////////////////////////////////////////// |
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| 14 | namespace boost { namespace spirit { |
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| 15 | |
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| 16 | #if !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED) |
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| 17 | #define BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED |
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| 18 | |
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| 19 | /////////////////////////////////////////////////////////////////////////////// |
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| 20 | // |
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| 21 | // closure_context_linker |
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| 22 | // { helper template for the closure extendability } |
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| 23 | // |
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| 24 | // This classes can be 'overloaded' (defined elsewhere), to plug |
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| 25 | // in additional functionality into the closure parsing process. |
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| 26 | // |
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| 27 | /////////////////////////////////////////////////////////////////////////////// |
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| 28 | |
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| 29 | template<typename ContextT> |
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| 30 | struct closure_context_linker : public ContextT |
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| 31 | { |
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| 32 | template <typename ParserT> |
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| 33 | closure_context_linker(ParserT const& p) |
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| 34 | : ContextT(p) {} |
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| 35 | |
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| 36 | template <typename ParserT, typename ScannerT> |
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| 37 | void pre_parse(ParserT const& p, ScannerT const& scan) |
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| 38 | { ContextT::pre_parse(p, scan); } |
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| 39 | |
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| 40 | template <typename ResultT, typename ParserT, typename ScannerT> |
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| 41 | ResultT& |
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| 42 | post_parse(ResultT& hit, ParserT const& p, ScannerT const& scan) |
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| 43 | { return ContextT::post_parse(hit, p, scan); } |
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| 44 | }; |
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| 45 | |
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| 46 | #endif // !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED) |
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| 47 | |
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| 48 | /////////////////////////////////////////////////////////////////////////////// |
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| 49 | }} // namespace boost::spirit |
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| 50 | |
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| 51 | #endif // BOOST_SPIRIT_CLOSURE_CONTEXT_HPP |
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