Static members are not visible in subclasses

frog/tokenizer.g.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Generated by scripts/tokenizer_gen.py.
 
 
 /** A generated file that extends the hand coded methods in TokenizerBase. */
 class Tokenizer extends TokenizerBase {
 
   Tokenizer(SourceFile source, bool skipWhitespace, [int index = 0])
     : super(source, skipWhitespace, index);
@@ skipping 206 matching lines @@
         if (_maybeEatChar(47/*'/'*/)) {
           if (_maybeEatChar(61/*=*/)) {
             return _finishToken(TokenKind.ASSIGN_TRUNCDIV);
           } else {
             return _finishToken(TokenKind.TRUNCDIV);
           }
         } else {
           return _finishToken(TokenKind.BIT_NOT);
         }
       default:
-        if (isIdentifierStart(ch)) {
+        if (TokenizerHelpers.isIdentifierStart(ch)) {
           return this.finishIdentifier(ch);
-        } else if (isDigit(ch)) {
+        } else if (TokenizerHelpers.isDigit(ch)) {
           return this.finishNumber();
         } else {
           return _errorToken();
         }
       }
 
   }
 
   int getIdentifierKind() {
     final i0 = _startIndex;
@@ skipping 149 matching lines @@
         if (_text.charCodeAt(i0) == 105/*i*/ && _text.charCodeAt(i0+1) == 109/*m*/ && _text.charCodeAt(i0+2) == 112/*p*/ && _text.charCodeAt(i0+3) == 108/*l*/ && _text.charCodeAt(i0+4) == 101/*e*/ && _text.charCodeAt(i0+5) == 109/*m*/ && _text.charCodeAt(i0+6) == 101/*e*/ && _text.charCodeAt(i0+7) == 110/*n*/ && _text.charCodeAt(i0+8) == 116/*t*/ && _text.charCodeAt(i0+9) == 115/*s*/) return TokenKind.IMPLEMENTS;
         return TokenKind.IDENTIFIER;
       default: return TokenKind.IDENTIFIER;
     }
   }
 
 }
 
 /** Static helper methods. */
 class TokenizerHelpers {
-  
+
   static bool isIdentifierStart(int c) {
     return ((c >= 97/*a*/ && c <= 122/*z*/) || (c >= 65/*A*/ && c <= 90/*Z*/) || c == 95/*_*/);
   }
 
   static bool isDigit(int c) {
     return (c >= 48/*0*/ && c <= 57/*9*/);
   }
 
   static bool isHexDigit(int c) {
     return (isDigit(c) || (c >= 97/*a*/ && c <= 102/*f*/) || (c >= 65/*A*/ && c <= 70/*F*/));
   }
 
   static bool isWhitespace(int c) {
     return (c == 32/*' '*/ || c == 9/*'\t'*/ || c == 10/*'\n'*/ || c == 13/*'\r'*/);
   }
 
   static bool isIdentifierPart(int c) {
     return (isIdentifierStart(c) || isDigit(c) || c == 36/*$*/);
   }
 
   static bool isInterpIdentifierPart(int c) {
     return (isIdentifierStart(c) || isDigit(c));
   }
 
 
 }