Handle modifiers (abstract) on class nodes.

lib/compiler/implementation/scanner/class_element_parser.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.
 
 class ClassElementParser extends PartialParser {
   ClassElementParser(Listener listener) : super(listener);
 
   Token parseClassBody(Token token) => fullParseClassBody(token);
 }
 
 class PartialClassElement extends ClassElement {
   final Token beginToken;
   final Token endToken;
-  Node cachedNode;
+  ClassNode cachedNode;
 
   PartialClassElement(SourceString name,
                       Token this.beginToken,
                       Token this.endToken,
                       Element enclosing,
                       int id)
       : super(name, enclosing, id, STATE_NOT_STARTED);
 
   void set supertypeLoadState(int state) {
     assert(state == supertypeLoadState + 1);
@@ skipping 26 matching lines @@
           Link<Element> patches = patch.localMembers;
           compiler.applyContainerPatch(this, patches);
         }
       });
     });
     return cachedNode;
   }
 
   Token position() => beginToken;
 
+  Modifiers get modifiers() => cachedNode != null ? cachedNode.modifiers : null;

[ahe, 2012/10/09 12:47:35]

It should be an error to call this method without calling parseNode first.

Why the parentheses on the getter?

[Johnni Winther, 2012/10/09 14:04:57]

Done.

+
   bool isInterface() => beginToken.stringValue === "interface";
 
   PartialClassElement cloneTo(Element enclosing, DiagnosticListener listener) {

[ahe, 2012/10/09 12:47:35]

What?

[Johnni Winther, 2012/10/09 14:04:57]

Removed.

     parseNode(listener);
     // TODO(lrn): Is copying id acceptable?
     // TODO(ahe): No.
     PartialClassElement result =
         new PartialClassElement(name, beginToken, endToken, enclosing, id);
 
     assert(this.supertypeLoadState == STATE_NOT_STARTED);
     assert(this.resolutionState == STATE_NOT_STARTED);
     assert(this.type === null);
     assert(this.supertype === null);
@@ skipping 119 matching lines @@
   }
 
   void addMember(Element memberElement) {
     for (Link link = metadata; !link.isEmpty(); link = link.tail) {
       memberElement.addMetadata(link.head);
     }
     metadata = const EmptyLink<MetadataAnnotation>();
     enclosingElement.addMember(memberElement, listener);
   }
 }