Version 0.4.7.3 .

editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/context/DelegatingAnalysisContextImpl.java

 /*
  * Copyright (c) 2013, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  * 
  * http://www.eclipse.org/legal/epl-v10.html
  * 
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 159 matching lines @@
   public LibraryElement getLibraryElement(Source source) {
     if (source.isInSystemLibrary()) {
       return sdkAnalysisContext.getLibraryElement(source);
     } else {
       return super.getLibraryElement(source);
     }
   }
 
   @Override
   public Source[] getLibrarySources() {
-    return ArrayUtils.addAll(getLibrarySources(), sdkAnalysisContext.getLibrarySources());
+    return ArrayUtils.addAll(super.getLibrarySources(), sdkAnalysisContext.getLibrarySources());
   }
 
   @Override
   public LineInfo getLineInfo(Source source) {
     if (source.isInSystemLibrary()) {
       return sdkAnalysisContext.getLineInfo(source);
     } else {
       return super.getLineInfo(source);
     }
   }
@@ skipping 158 matching lines @@
     super.setSourceFactory(factory);
     DartSdk sdk = factory.getDartSdk();
     if (sdk != null) {
       sdkAnalysisContext = (InternalAnalysisContext) sdk.getContext();
     } else {
       throw new IllegalStateException(
           "SourceFactorys provided to DelegatingAnalysisContextImpls must have a DartSdk associated with the provided SourceFactory.");
     }
   }
 }