ctrump: antlr/include/antlr/TokenStreamBasicFilter.hpp Source File

00001 #ifndef INC_TokenStreamBasicFilter_hpp__
00002 #define INC_TokenStreamBasicFilter_hpp__
00003 
00004 /* ANTLR Translator Generator
00005  * Project led by Terence Parr at http://www.jGuru.com
00006  * Software rights: http://www.antlr.org/license.html
00007  *
00008  * $Id: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/antlr/TokenStreamBasicFilter.hpp#2 $
00009  */
00010 
00011 #include <antlr/config.hpp>
00012 #include <antlr/BitSet.hpp>
00013 #include <antlr/TokenStream.hpp>
00014 
00015 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
00016 namespace antlr {
00017 #endif
00018 
00023 class ANTLR_API TokenStreamBasicFilter : public TokenStream {
00025 protected:
00026         BitSet discardMask;
00027 
00029 protected:
00030         TokenStream* input;
00031 
00032 public:
00033         TokenStreamBasicFilter(TokenStream& input_);
00034 
00035         void discard(int ttype);
00036 
00037         void discard(const BitSet& mask);
00038 
00039         RefToken nextToken();
00040 };
00041 
00042 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
00043 }
00044 #endif
00045 
00046 #endif //INC_TokenStreamBasicFilter_hpp__