Implement MethodMirror.metadata.

dart/sdk/lib/_internal/compiler/implementation/enqueue.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 dart2js;
 
 class EnqueueTask extends CompilerTask {
   final ResolutionEnqueuer resolution;
   final CodegenEnqueuer codegen;
 
@@ skipping 216 matching lines @@
           // See comment after registerFieldLoad above.
           nativeEnqueuer.registerFieldLoad(member);
           return;
         }
         // Native fields need to go into instanceMembersByName as they
         // are virtual instantiation points and escape points.
       } else {
         // The codegen inlines instance fields initialization, so it
         // does not need to add individual fields in the work list.
         if (isResolutionQueue) {
+          // TODO(ahe): codegen should be smarter and only inline used fields.

[ngeoffray, 2013/06/03 06:51:55]

What is that TODO about?

[ahe, 2013/06/03 09:13:54]

Updated comment.

           addToWorkList(member);
         }
         return;
       }
     } else if (member.kind == ElementKind.FUNCTION) {
       if (member.name == Compiler.NO_SUCH_METHOD) {
         enableNoSuchMethod(member);
       }
       // If there is a property access with the same name as a method we
       // need to emit the method.
@@ skipping 509 matching lines @@
     while(!queue.isEmpty) {
       // TODO(johnniwinther): Find an optimal process order for codegen.
       f(queue.removeLast());
     }
   }
 
   void _logSpecificSummary(log(message)) {
     log('Compiled ${generatedCode.length} methods.');
   }
 }