- Allow specifying of package: URIs for packageConfig and packageRoot when

runtime/lib/isolate_patch.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.
 
 import "dart:collection" show HashMap;
 import "dart:_internal";
 
 patch class ReceivePort {
   /* patch */ factory ReceivePort() = _ReceivePortImpl;
 
@@ skipping 360 matching lines @@
       // Inherit this isolate's package resolution setup if not overridden.
       if (!automaticPackageResolution &&
           (packageRoot == null) &&
           (packageConfig == null)) {
         if (Isolate._packageSupported()) {
           packageRoot = await Isolate.packageRoot;
           packageConfig = await Isolate.packageConfig;
         }
       }
 
+      // Ensure to resolve package: URIs being handed in as parameters.
+      packageRoot = (packageRoot == null) ? null :
+          await Isolate.resolvePackageUri(packageRoot);
+      packageConfig = (packageConfig == null) ? null :
+          await Isolate.resolvePackageUri(packageConfig);
+
       // The VM will invoke [_startIsolate] and not `main`.
       readyPort = new RawReceivePort();
       var packageRootString = packageRoot?.toString();
       var packageConfigString = packageConfig?.toString();
 
       _spawnUri(readyPort.sendPort, spawnedUri.toString(),
                 args, message,
                 paused, onExit, onError,
                 errorsAreFatal, checked,
                 null, /* environment */
@@ skipping 156 matching lines @@
     try {
       return Uri.parse(_getCurrentRootUriStr());
     } catch (e, s) {
       return null;
     }
   }
 
   static String _getCurrentRootUriStr()
       native "Isolate_getCurrentRootUriStr";
 }