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TokenStreamBasicFilter.hpp
上传用户:afrynkmhm
上传日期:2007-01-06
资源大小:1262k
文件大小:1k
源码类别:
编译器/解释器
开发平台:
Others
- #ifndef INC_TokenStreamBasicFilter_hpp__
- #define INC_TokenStreamBasicFilter_hpp__
- #include "antlr/config.hpp"
- #include "antlr/BitSet.hpp"
- #include "antlr/TokenStream.hpp"
- ANTLR_BEGIN_NAMESPACE(antlr)
- /** This object is a TokenStream that passes through all
- * tokens except for those that you tell it to discard.
- * There is no buffering of the tokens.
- */
- class TokenStreamBasicFilter : public TokenStream {
- /** The set of token types to discard */
- protected:
- BitSet discardMask;
- /** The input stream */
- protected:
- TokenStream* input;
- public:
- TokenStreamBasicFilter(TokenStream& input_);
- void discard(int ttype);
- void discard(const BitSet& mask);
- RefToken nextToken();
- };
- ANTLR_END_NAMESPACE
- #endif //INC_TokenStreamBasicFilter_hpp__