Make the values of Platform.executable and Platform.script available to all isolates

sdk/lib/io/platform.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 dart.io;
 
 /**
  * The [Platform] class exposes details of the machine and operating
  * system.
  */
 class Platform {
   static final _numberOfProcessors = _Platform.numberOfProcessors;
   static final _pathSeparator = _Platform.pathSeparator;
   static final _operatingSystem = _Platform.operatingSystem;
   static final _localHostname = _Platform.localHostname;
   static final _version = _Platform.version;
 
-  // This executable singleton is written to by the embedder if applicable.
-  static String _nativeExecutable = '';
-
   // This script singleton is written to by the embedder if applicable.
   static String _nativeScript = '';
 
   /**
    * Get the number of processors of the machine.
    */
   static int get numberOfProcessors => _numberOfProcessors;
 
   /**
    * Get the path separator used by the operating system to separate
@@ skipping 42 matching lines @@
    */
   static Map<String, String> get environment => _Platform.environment;
 
   /**
    * Returns the path of the executable used to run the script in this
    * isolate.
    *
    * If the execution environment does not support [executable] an empty
    * string is returned.
    */
-  static String get executable => _nativeExecutable;
+  static String get executable => _Platform.executable;
 
   /**
-   * Returns the path of the script being run in this isolate.
+   * Returns the URI (in String form) of the script being run in this
+   * isolate. If the URI is relative it is relative to the file URI of
+   * the working directory of the VM when it was started.
    *
    * If the executable environment does not support [script] an empty
    * string is returned.
    */
   static String get script => _nativeScript;
 
 
   /**
    * Returns the version of the current Dart runtime.
    */
   static String get version => _version;
 }