Fixes in codegen and test script

lib/src/js/printer.dart

 // 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.
 
 part of js_ast;
 
 
 class JavaScriptPrintingOptions {
   final bool shouldCompressOutput;
   final bool minifyLocalVariables;
@@ skipping 794 matching lines @@
       if (!(charCodes.$a <= charCode && charCode <= charCodes.$z ||
             charCodes.$A <= charCode && charCode <= charCodes.$Z ||
             charCode == charCodes.$$ ||
             charCode == charCodes.$_ ||
             i != 1 && isDigit(charCode))) {
         return false;
       }
     }
 
     if (options.avoidKeywordsInIdentifiers) {
-      return !_isJsKeyword(field.substring(1, field.length - 1));
+      return !isJsKeyword(field.substring(1, field.length - 1));
     } else {
       // TODO(floitsch): normally we should also check that the field is not a
       // reserved word.  We don't generate fields with reserved word names except
       // for 'super'.
       return field != '"super"';
     }
   }
 
-  static bool _isJsKeyword(String keyword) {
-    switch (keyword) {
-      case "break":
-      case "case":
-      case "catch":
-      case "class":
-      case "const":
-      case "continue":
-      case "debugger":
-      case "default":
-      case "delete":
-      case "do":
-      case "else":
-      case "export":
-      case "extends":
-      case "finally":
-      case "for":
-      case "function":
-      case "if":
-      case "import":
-      case "in":
-      case "instanceof":
-      case "let":
-      case "new":
-      case "return":
-      case "static":
-      case "super":
-      case "switch":
-      case "this":
-      case "throw":
-      case "try":
-      case "typeof":
-      case "var":
-      case "void":
-      case "while":
-      case "with":
-      case "yield":
-        return true;
-    }
-    return false;
-  }
-
   visitAccess(PropertyAccess access) {
     visitNestedExpression(access.receiver, CALL,
                           newInForInit: inForInit,
                           newAtStatementBegin: atStatementBegin);
     propertyNameOut(access.selector, inAccess: true);
   }
 
   visitNamedFunction(NamedFunction namedFunction) {
     VarCollector vars = new VarCollector();
     vars.visitNamedFunction(namedFunction);
@@ skipping 571 matching lines @@
         codes.add(nthLetter((n ~/ nameSpaceSize) % LETTERS));
       }
       codes.add(charCodes.$0 + digit);
       newName = new String.fromCharCodes(codes);
     }
     assert(new RegExp(r'[a-zA-Z][a-zA-Z0-9]*').hasMatch(newName));
     maps.last[oldName] = newName;
     return newName;
   }
 }