Split window support from V8. ...

src/objects-inl.h

Index: src/objects-inl.h
===================================================================
--- src/objects-inl.h	(revision 539)
+++ src/objects-inl.h	(working copy)
@@ -359,23 +359,25 @@
 }
 
 
+bool Object::IsJSGlobalProxy() {
+  bool result = IsHeapObject() &&
+                (HeapObject::cast(this)->map()->instance_type() ==
+                 JS_GLOBAL_PROXY_TYPE);
+  ASSERT(!result || IsAccessCheckNeeded());
+  return result;
+}
+
+
 bool Object::IsGlobalObject() {
-  return IsHeapObject() &&
-      ((HeapObject::cast(this)->map()->instance_type() ==
-        JS_GLOBAL_OBJECT_TYPE) ||
-       (HeapObject::cast(this)->map()->instance_type() ==
-        JS_BUILTINS_OBJECT_TYPE));
+  if (!IsHeapObject()) return false;
+
+  InstanceType type =  HeapObject::cast(this)->map()->instance_type();
+  return type == JS_GLOBAL_OBJECT_TYPE ||
+         type == JS_BUILTINS_OBJECT_TYPE;
 }
 
 
 bool Object::IsJSGlobalObject() {
-#ifdef DEBUG
-  if (IsHeapObject() &&
-      (HeapObject::cast(this)->map()->instance_type() ==
-       JS_GLOBAL_OBJECT_TYPE)) {
-    ASSERT(IsAccessCheckNeeded());
-  }
-#endif
   return IsHeapObject() &&
       (HeapObject::cast(this)->map()->instance_type() ==
        JS_GLOBAL_OBJECT_TYPE);
@@ -397,7 +399,7 @@
 
 bool Object::IsAccessCheckNeeded() {
   return IsHeapObject()
-    && HeapObject::cast(this)->map()->needs_access_check();
+    && HeapObject::cast(this)->map()->is_access_check_needed();
 }
 
 
@@ -856,7 +858,7 @@
 
 
 ACCESSORS(JSObject, properties, FixedArray, kPropertiesOffset)
-ACCESSORS(JSObject, elements, HeapObject, kElementsOffset)
+ACCESSORS(JSObject, elements, FixedArray, kElementsOffset)
 
 
 void JSObject::initialize_properties() {
@@ -877,6 +879,8 @@
 
 int JSObject::GetHeaderSize() {
   switch (map()->instance_type()) {
+    case JS_GLOBAL_PROXY_TYPE:
+      return JSGlobalProxy::kSize;
     case JS_GLOBAL_OBJECT_TYPE:
       return JSGlobalObject::kSize;
     case JS_BUILTINS_OBJECT_TYPE:
@@ -1202,6 +1206,7 @@
 CAST_ACCESSOR(SharedFunctionInfo)
 CAST_ACCESSOR(Map)
 CAST_ACCESSOR(JSFunction)
+CAST_ACCESSOR(JSGlobalProxy)
 CAST_ACCESSOR(JSGlobalObject)
 CAST_ACCESSOR(JSBuiltinsObject)
 CAST_ACCESSOR(Code)
@@ -1796,8 +1801,9 @@
 
 ACCESSORS(GlobalObject, builtins, JSBuiltinsObject, kBuiltinsOffset)
 ACCESSORS(GlobalObject, global_context, Context, kGlobalContextOffset)
+ACCESSORS(GlobalObject, global_receiver, JSObject, kGlobalReceiverOffset)
 
-ACCESSORS(JSGlobalObject, security_token, Object, kSecurityTokenOffset)
+ACCESSORS(JSGlobalProxy, context, Object, kContextOffset)
 
 ACCESSORS(AccessorInfo, getter, Object, kGetterOffset)
 ACCESSORS(AccessorInfo, setter, Object, kSetterOffset)