New analyzer snapshot.

editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/Context.java

 /*
  * Copyright (c) 2012, 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 543 matching lines @@
    */
   public void removeReference(SimpleIdentifier identifier) {
     IBinding binding = getNodeBinding(identifier);
     List<SimpleIdentifier> identifiers = bindingToIdentifiers.get(binding);
     if (identifiers != null) {
       identifiers.remove(identifier);
     }
   }
 
   /**
+   * Specifies that the given {@link File} should not be translated.
+   */
+  public void removeSourceFile(File file) {
+    Assert.isLegal(file.exists(), "File '" + file + "' does not exist.");
+    file = file.getAbsoluteFile();
+    sourceFiles.remove(file);
+  }
+
+  /**
    * Specifies that all files in given folder should not be translated.
    */
   public void removeSourceFiles(File folder) {
     Assert.isLegal(folder.exists(), "Folder '" + folder + "' does not exist.");
     Assert.isLegal(folder.isDirectory(), "Folder '" + folder + "' is not a folder.");
     folder = folder.getAbsoluteFile();
     Collection<File> folderFiles = FileUtils.listFiles(folder, JAVA_EXTENSION, true);
     sourceFiles.removeAll(folderFiles);
   }
 
@@ skipping 35 matching lines @@
     }
   }
 
   /**
    * Sets the {@link SimpleIdentifier} name and updates all references.
    */
   public void renameIdentifier(SimpleIdentifier declarationIdentifier, String newName) {
     // move identifiers to the new signature
     Object binding = nodeToBinding.get(declarationIdentifier);
     List<SimpleIdentifier> identifiers = bindingToIdentifiers.get(binding);
+    if (identifiers == null) {
+      return;
+    }
     // update identifiers to the new name
     for (SimpleIdentifier identifier : identifiers) {
       identifier.setToken(token(TokenType.IDENTIFIER, newName));
     }
   }
 
   public CompilationUnit translate() throws Exception {
     // sort source files
     Collections.sort(sourceFiles);
     // perform syntax translation
@@ skipping 440 matching lines @@
                   }
                 }
               }
             }
           }
         }
       }
     });
   }
 }