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