- Add the implementation of the Options interface to the runtime.

lib/options.dart

Index: lib/options.dart
===================================================================
--- lib/options.dart	(revision 0)
+++ lib/options.dart	(revision 0)
@@ -0,0 +1,18 @@
+// Copyright (c) 2011, 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.
+
+class RuntimeOptions implements Options {
+  List<String> get arguments() {
+    if (_arguments === null) {
+      // On first access make a copy of the native arguments.
+      _arguments = _native_arguments.getRange(0, _native_arguments.length);
+    }
+    return _arguments;
+  }
+
+  List<String> _arguments = null;
+
+  // This arguments singleton is overriden by the embedder if applicable.
+  static List<String> _native_arguments = const [];

[kasperl, 2011/11/03 06:17:11]

Use proper camelCase: _nativeArguments.

[Ivan Posva, 2011/11/03 21:43:28]

Done.

+}