Simplify runtime type support.

sdk/lib/_internal/compiler/implementation/lib/interceptors.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 _interceptors;
 
 import 'dart:collection';
 
 part 'js_array.dart';
 part 'js_number.dart';
@@ skipping 37 matching lines @@
 /**
  * The interceptor class for [bool].
  */
 class JSBool implements bool {
   const JSBool();
   String toString() => JS('String', r'String(#)', this);
   int get hashCode => this ? 0x40377024 : 0xc18c0076;
   Type get runtimeType => createRuntimeType('bool');
 }
 
+get$runtimeType(receiver) {

[ngeoffray, 2012/11/22 17:09:39]

This is dead code now.

[karlklose, 2012/11/23 08:47:46]

Done.

+  if (receiver is int) {
+    return int;
+  } else if (receiver is String) {
+    return String;
+  } else if (receiver is double) {
+    return double;
+  } else if (receiver is bool) {
+    return bool;
+  } else if (receiver == null) {
+    return createRuntimeType('Null');
+  } else if (isJsArray(receiver)) {
+    // Call getRuntimeTypeString to get the name including type arguments.
+    return createRuntimeType(getRuntimeTypeString(receiver));
+  } else {
+    return UNINTERCEPTED(receiver.runtimeType);
+  }
+}
+
 /**
  * The interceptor class for [Null].
  */
 class JSNull implements Null {
   const JSNull();
   String toString() => 'null';
   int get hashCode => 0;
   Type get runtimeType => createRuntimeType('Null');
 }