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Diffstat (limited to 'poxml/antlr/antlr/LLkParser.hpp')
-rw-r--r-- | poxml/antlr/antlr/LLkParser.hpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/poxml/antlr/antlr/LLkParser.hpp b/poxml/antlr/antlr/LLkParser.hpp new file mode 100644 index 00000000..8b8db188 --- /dev/null +++ b/poxml/antlr/antlr/LLkParser.hpp @@ -0,0 +1,82 @@ +#ifndef INC_LLkParser_hpp__ +#define INC_LLkParser_hpp__ + +/** + * <b>SOFTWARE RIGHTS</b> + * <p> + * ANTLR 2.6.0 MageLang Insitute, 1999 + * <p> + * We reserve no legal rights to the ANTLR--it is fully in the + * public domain. An individual or company may do whatever + * they wish with source code distributed with ANTLR or the + * code generated by ANTLR, including the incorporation of + * ANTLR, or its output, into commerical software. + * <p> + * We encourage users to develop software with ANTLR. However, + * we do ask that credit is given to us for developing + * ANTLR. By "credit", we mean that if you use ANTLR or + * incorporate any source code into one of your programs + * (commercial product, research project, or otherwise) that + * you acknowledge this fact somewhere in the documentation, + * research report, etc... If you like ANTLR and have + * developed a nice tool with the output, please mention that + * you developed it using ANTLR. In addition, we ask that the + * headers remain intact in our source code. As long as these + * guidelines are kept, we expect to continue enhancing this + * system and expect to make other tools available as they are + * completed. + * <p> + * The ANTLR gang: + * @version ANTLR 2.6.0 MageLang Insitute, 1999 + * @author Terence Parr, <a href=http://www.MageLang.com>MageLang Institute</a> + * @author <br>John Lilley, <a href=http://www.Empathy.com>Empathy Software</a> + * @author <br><a href="mailto:pete@yamuna.demon.co.uk">Pete Wells</a> + */ + +#include "antlr/config.hpp" +#include "antlr/Parser.hpp" + +ANTLR_BEGIN_NAMESPACE(antlr) + +/**An LL(k) parser. + * + * @see antlr.Token + * @see antlr.TokenBuffer + * @see antlr.LL1Parser + */ +class LLkParser : public Parser { +protected: + int k; + +public: +// LLkParser(int k_); + + LLkParser(const ParserSharedInputState& lexer, int k_); + + LLkParser(TokenBuffer& tokenBuf, int k_); + + LLkParser(TokenStream& lexer, int k_); + + /**Consume another token from the input stream. Can only write sequentially! + * If you need 3 tokens ahead, you must consume() 3 times. + * <p> + * Note that it is possible to overwrite tokens that have not been matched. + * For example, calling consume() 3 times when k=2, means that the first token + * consumed will be overwritten with the 3rd. + */ + void consume(); + + int LA(int i); + + RefToken LT(int i); + +private: + void trace(const ANTLR_USE_NAMESPACE(std)string& ee, const ANTLR_USE_NAMESPACE(std)string& rname); +public: + void traceIn(const ANTLR_USE_NAMESPACE(std)string& rname); + void traceOut(const ANTLR_USE_NAMESPACE(std)string& rname); +}; + +ANTLR_END_NAMESPACE + +#endif //INC_LLkParser_hpp__ |