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109 lines
3.9 KiB
109 lines
3.9 KiB
/// Definition of a cyclic dfa structure such that it can be
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/// initialized at compile time and have only a single
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/// runtime function that can deal with all cyclic dfa
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/// structures and show Java how it is done ;-)
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///
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#ifndef ANTLR3_CYCLICDFA_HPP
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#define ANTLR3_CYCLICDFA_HPP
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// [The "BSD licence"]
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// Copyright (c) 2005-2009 Gokulakannan Somasundaram, ElectronDB
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "antlr3defs.hpp"
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#ifdef ANTLR3_WINDOWS
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#pragma warning (push)
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#pragma warning (disable : 4510)
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#pragma warning (disable : 4512)
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#pragma warning (disable : 4610)
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#endif
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ANTLR_BEGIN_NAMESPACE()
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template<class ImplTraits, class CtxType>
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class CyclicDFA : public ImplTraits::AllocPolicyType
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{
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public:
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typedef typename CtxType::StreamType StreamType;
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typedef typename CtxType::ExceptionBaseType ExceptionBaseType;
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typedef typename ImplTraits::template RecognizerType<StreamType> RecognizerType;
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typedef typename StreamType::IntStreamType IntStreamType;
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typedef typename StreamType::TokenType TokenType;
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typedef TokenType CommonTokenType;
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typedef CtxType ContextType;
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private:
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/// Decision number that a particular static structure
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/// represents.
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///
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const ANTLR_INT32 m_decisionNumber;
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/// What this decision represents
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///
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const ANTLR_UCHAR* m_description;
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const ANTLR_INT32* const m_eot;
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const ANTLR_INT32* const m_eof;
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const ANTLR_INT32* const m_min;
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const ANTLR_INT32* const m_max;
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const ANTLR_INT32* const m_accept;
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const ANTLR_INT32* const m_special;
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const ANTLR_INT32* const *const m_transition;
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public:
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CyclicDFA( ANTLR_INT32 decisionNumber
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, const ANTLR_UCHAR* description
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, const ANTLR_INT32* const eot
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, const ANTLR_INT32* const eof
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, const ANTLR_INT32* const min
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, const ANTLR_INT32* const max
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, const ANTLR_INT32* const accept
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, const ANTLR_INT32* const special
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, const ANTLR_INT32* const *const transition );
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CyclicDFA( const CyclicDFA& cdfa );
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CyclicDFA& operator=( const CyclicDFA& dfa);
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ANTLR_INT32 specialStateTransition(CtxType * ctx, RecognizerType* recognizer, IntStreamType* is, ANTLR_INT32 s);
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ANTLR_INT32 specialTransition(CtxType * ctx, RecognizerType* recognizer, IntStreamType* is, ANTLR_INT32 s);
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template<typename SuperType>
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ANTLR_INT32 predict(CtxType* ctx, RecognizerType* recognizer, IntStreamType* is, SuperType& super);
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private:
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void noViableAlt(RecognizerType* rec, ANTLR_UINT32 s);
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};
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ANTLR_END_NAMESPACE()
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#ifdef ANTLR3_WINDOWS
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#pragma warning (pop)
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#endif
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#include "antlr3cyclicdfa.inl"
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#endif
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