KDevelop API Documentation

TokenStreamHiddenTokenFilter.hpp

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00001 #ifndef INC_TokenStreamHiddenTokenFilter_hpp__
00002 #define INC_TokenStreamHiddenTokenFilter_hpp__
00003 
00004 /* ANTLR Translator Generator
00005  * Project led by Terence Parr at http://www.jGuru.com
00006  * Software rights: http://www.antlr.org/RIGHTS.html
00007  *
00008  * $Id: TokenStreamHiddenTokenFilter.hpp,v 1.2 2003/05/02 00:36:19 okellogg Exp $
00009  */
00010 
00011 #include <antlr/config.hpp>
00012 #include <antlr/TokenStreamBasicFilter.hpp>
00013 
00014 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
00015 namespace antlr {
00016 #endif
00017 
00025 class ANTLR_API TokenStreamHiddenTokenFilter : public TokenStreamBasicFilter {
00026     // protected BitSet discardMask;
00027 protected:
00028     BitSet hideMask;
00029 
00030 private:
00031     RefToken nextMonitoredToken;
00032 
00033 protected:
00037     RefToken lastHiddenToken;
00038 
00039     RefToken firstHidden; // = null;
00040 
00041 public:
00042     TokenStreamHiddenTokenFilter(TokenStream& input);
00043 
00044 protected:
00045     void consume();
00046 
00047 private:
00048     void consumeFirst();
00049 
00050 public:
00051     BitSet getDiscardMask() const;
00052 
00056     RefToken getHiddenAfter(RefToken t);
00057 
00061     RefToken getHiddenBefore(RefToken t);
00062 
00063     BitSet getHideMask() const;
00064 
00068     RefToken getInitialHiddenToken();
00069 
00070     void hide(int m);
00071 
00072     void hide(const BitSet& mask);
00073 
00074 protected:
00075     RefToken LA(int i);
00076 
00077 public:
00088     RefToken nextToken();
00089 };
00090 
00091 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
00092 }
00093 #endif
00094 
00095 #endif //INC_TokenStreamHiddenTokenFilter_hpp__
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