Switch-implementation.

frog/leg/lib/js_helper.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.
 
 #library('js_helper');
 
 #import('coreimpl.dart');
 
 #source('date_helper.dart');
 #source('regexp_helper.dart');
@@ skipping 1350 matching lines @@
  */
 callClosure0(closure) => closure();
 callClosure1(closure, arg1) => closure(arg1);
 callClosure2(closure, arg1, arg2) => closure(arg1, arg2);
 
 class StackTrace {
   var stack;
   StackTrace(this.stack);
   String toString() => stack != null ? stack : '';
 }
+
+
+FallThroughError fallThroughErrorInstance = null;
+getFallThroughError() {

[ahe, 2012/03/09 13:58:32]

Add documentation comment that explain who calls this.

[Lasse Reichstein Nielsen, 2012/03/12 13:05:23]

Done.

+  // TODO(lrn): Redo when we support "const FallThroughError()".
+  if (fallThroughErrorInstance === null) {
+    fallThroughErrorInstance = new FallThroughError();
+  }
+  return fallThroughErrorInstance;
+}