Port the remaining of dart:core to the unified corelib.

lib/compiler/implementation/lib/coreimpl.dartp

Index: lib/compiler/implementation/lib/coreimpl.dartp
diff --git a/lib/compiler/implementation/lib/coreimpl.dartp b/lib/compiler/implementation/lib/coreimpl.dartp
index a906769f28eaa6e05966cafba8c1b68f10393791..8cf9e7afe0343861b67ced8baa47b3a64a2f01cf 100644
--- a/lib/compiler/implementation/lib/coreimpl.dartp
+++ b/lib/compiler/implementation/lib/coreimpl.dartp
@@ -2,7 +2,7 @@
 // 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.
 
-// Patch file for dart:core's Date class.
+// Patch file for dart:core.
 
 patch class DateImplementation {
   patch DateImplementation(int years,
@@ -51,3 +51,72 @@ patch class DateImplementation {
 
   patch int get weekday() => Primitives.getWeekday(this);
 }
+
+patch class RuntimeOptions {
+  patch List<String> get arguments() {
+    if (_arguments === null) {
+      // On first access make a copy of the native arguments.
+      _arguments = _nativeArguments.getRange(0, _nativeArguments.length);
+    }
+    return _arguments;
+  }
+
+  patch String get executable() {
+    return _nativeExecutable;
+  }
+
+  patch String get script() {
+    return _nativeScript;
+  }
+
+  List<String> _arguments = null;
+
+  // This arguments singleton is written to by the embedder if applicable.
+  static List<String> _nativeArguments = const [];
+
+  // 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 = '';
+}
+
+patch class _Clock {
+  patch static int now() => Primitives.dateNow();
+
+  patch static int frequency() => 1000;
+}
+
+patch class ExpandoImplementation<T> {
+  patch T operator[](Object object) {
+    var values = Primitives.getProperty(object, _EXPANDO_PROPERTY_NAME);
+    return (values === null) ? null : Primitives.getProperty(values, _getKey());
+  }
+
+  patch operator[]=(Object object, T value) {
+    var values = Primitives.getProperty(object, _EXPANDO_PROPERTY_NAME);
+    if (values === null) {
+      values = new Object();
+      Primitives.setProperty(object, _EXPANDO_PROPERTY_NAME, values);
+    }
+    Primitives.setProperty(values, _getKey(), value);
+  }
+
+  patch String toString() {
+    String key = _getKey();
+    return (name === null) ? "Expando:${key}" : "Expando:${name}@${key}";
+  }
+
+  String _getKey() {
+    String key = Primitives.getProperty(this, _KEY_PROPERTY_NAME);
+    if (key === null) {
+      key = "expando\$key\$${_keyCount++}";
+      Primitives.setProperty(this, _KEY_PROPERTY_NAME, key);
+    }
+    return key;
+  }
+
+  static final String _KEY_PROPERTY_NAME = 'expando\$key';
+  static final String _EXPANDO_PROPERTY_NAME = 'expando\$values';
+  static int _keyCount = 0;
+}