57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
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/*=============================================================================
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Copyright (c) 2002-2003 Joel de Guzman
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Copyright (c) 2002-2003 Hartmut Kaiser
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http://spirit.sourceforge.net/
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#if !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_HPP)
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#define BOOST_SPIRIT_CLOSURE_CONTEXT_HPP
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#include <boost/spirit/home/classic/namespace.hpp>
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///////////////////////////////////////////////////////////////////////////////
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namespace boost { namespace spirit {
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BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
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#if !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED)
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#define BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED
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///////////////////////////////////////////////////////////////////////////////
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//
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// closure_context_linker
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// { helper template for the closure extendability }
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//
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// This classes can be 'overloaded' (defined elsewhere), to plug
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// in additional functionality into the closure parsing process.
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//
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///////////////////////////////////////////////////////////////////////////////
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template<typename ContextT>
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struct closure_context_linker : public ContextT
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{
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template <typename ParserT>
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closure_context_linker(ParserT const& p)
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: ContextT(p) {}
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template <typename ParserT, typename ScannerT>
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void pre_parse(ParserT const& p, ScannerT const& scan)
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{ ContextT::pre_parse(p, scan); }
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template <typename ResultT, typename ParserT, typename ScannerT>
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ResultT&
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post_parse(ResultT& hit, ParserT const& p, ScannerT const& scan)
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{ return ContextT::post_parse(hit, p, scan); }
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};
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#endif // !defined(BOOST_SPIRIT_CLOSURE_CONTEXT_LINKER_DEFINED)
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///////////////////////////////////////////////////////////////////////////////
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BOOST_SPIRIT_CLASSIC_NAMESPACE_END
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}} // namespace BOOST_SPIRIT_CLASSIC_NS
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#endif // BOOST_SPIRIT_CLOSURE_CONTEXT_HPP
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