Support for @DartName and @DartOptional annotations.

pkg/analyzer/lib/src/generated/sdk_io.dart

 // Copyright (c) 2014, 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.sdk.io;
 
 import 'java_core.dart';
@@ skipping 155 matching lines @@
     if (!sdkDirectory.exists()) {
       return null;
     }
     return sdkDirectory;
   }
 
   /**
    * Initialize a newly created SDK to represent the Dart SDK installed in the given directory.
    *
    * @param sdkDirectory the directory containing the SDK
-   */
-  DirectoryBasedDartSdk(JavaFile sdkDirectory) : this.con1(sdkDirectory, false);
-
-  /**
-   * Initialize a newly created SDK to represent the Dart SDK installed in the given directory.
-   *
-   * @param sdkDirectory the directory containing the SDK
    * @param useDart2jsPaths `true` if the dart2js path should be used when it is available
    */
-  DirectoryBasedDartSdk.con1(JavaFile sdkDirectory, bool useDart2jsPaths) {
+  DirectoryBasedDartSdk(JavaFile sdkDirectory, [bool useDart2jsPaths = false]) {

[Brian Wilkerson, 2014/03/09 23:43:15]

Very cool!

     this._sdkDirectory = sdkDirectory.getAbsoluteFile();
     _initializeSdk();
     _initializeLibraryMap(useDart2jsPaths);
     _analysisContext = new AnalysisContextImpl();
     _analysisContext.sourceFactory = new SourceFactory([new DartUriResolver(this)]);
     List<String> uris = this.uris;
     ChangeSet changeSet = new ChangeSet();
     for (String uri in uris) {
       changeSet.addedSource(_analysisContext.sourceFactory.forUri(uri));
     }
@@ skipping 271 matching lines @@
     Parser parser = new Parser(source, errorListener);
     CompilationUnit unit = parser.parseCompilationUnit(scanner.tokenize());
     SdkLibrariesReader_LibraryBuilder libraryBuilder = new SdkLibrariesReader_LibraryBuilder(_useDart2jsPaths);
     // If any syntactic errors were found then don't try to visit the AST structure.
     if (!errorListener.errorReported) {
       unit.accept(libraryBuilder);
     }
     return libraryBuilder.librariesMap;
   }
 }