- Force errors when using bad types or overrides.

runtime/lib/mirrors_impl.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.
 
 // VM-specific implementation of the dart:mirrors library.
 
 import "dart:collection";
 
 final emptyList = new UnmodifiableListView([]);
 final emptyMap = new _UnmodifiableMapView({});
@@ skipping 203 matching lines @@
     this._invokeSetter(_reflectee,
                        _n(memberName),
                        value);
     return reflect(value);
   }
 
   static _validateArgument(int i, Object arg)
   {
     if (arg is Mirror) {
         if (arg is! InstanceMirror) {
-          throw new MirrorException(
+          throw /* new MirrorException */(
               'positional argument $i ($arg) was not an InstanceMirror');
         }
       } else if (!_isSimpleValue(arg)) {
-        throw new MirrorException(
+        throw /* new MirrorException */(
             'positional argument $i ($arg) was not a simple value');
       }
   }
 }
 
 class _LocalInstanceMirrorImpl extends _LocalObjectMirrorImpl
     implements InstanceMirror {
   // TODO(ahe): This is a hack, see delegate below.
   static Function _invokeOnClosure;
 
@@ skipping 1006 matching lines @@
   bool get isRegularMethod => !isGetter && !isSetter && !isConstructor;
 
   Symbol _constructorName = null;
   Symbol get constructorName {
     if (_constructorName == null) {
       if (!isConstructor) {
         _constructorName = _s('');
       } else {
         var parts = MirrorSystem.getName(simpleName).split('.');
         if (parts.length > 2) {
-          throw new MirrorException(
+          throw /* new MirrorException */(

[siva, 2013/11/04 16:32:20]

Should this be new InternalError(...) the comment seems to indicate it is an
Internal error.

               'Internal error in MethodMirror.constructorName: '
               'malformed name <$simpleName>');
         } else if (parts.length == 2) {
           _constructorName = _s(parts[1]);
         } else {
           _constructorName = _s('');
         }
       }
     }
     return _constructorName;
@@ skipping 214 matching lines @@
     if (typeMirror == null) {
       typeMirror = makeLocalTypeMirror(key);
       _instanitationCache[key] = typeMirror;
       if (typeMirror is ClassMirror && !typeMirror._isGeneric) {
         _declarationCache[key] = typeMirror;
       }
     }
     return typeMirror;
   }
 }