Better runtime type checks.

frog/tokenizer.g.dart

 // Copyright (c) 2011, 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.
+// 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);
 
   Token next() {
     // keep track of our starting position
@@ skipping 373 matching lines @@
   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));
   }
 
 
 }