Handlification of JSArray::SetElementsLength().

src/ic.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1795 matching lines @@
   ASSERT(args.length() == 3);
   StoreIC ic(IC::EXTRA_CALL_FRAME, isolate);
   Handle<Object> receiver = args.at<Object>(0);
   Handle<String> key = args.at<String>(1);
   ic.UpdateState(receiver, key);
   return ic.Store(receiver, key, args.at<Object>(2));
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, StoreIC_ArrayLength) {
-  SealHandleScope shs(isolate);
+  HandleScope scope(isolate);
 
   ASSERT(args.length() == 2);
-  JSArray* receiver = JSArray::cast(args[0]);
-  Object* len = args[1];
+  Handle<JSArray> receiver = args.at<JSArray>(0);
+  Handle<Object> len = args.at<Object>(1);
 
   // The generated code should filter out non-Smis before we get here.
   ASSERT(len->IsSmi());
 
 #ifdef DEBUG
   // The length property has to be a writable callback property.
   LookupResult debug_lookup(isolate);
   receiver->LocalLookup(isolate->heap()->length_string(), &debug_lookup);
   ASSERT(debug_lookup.IsPropertyCallbacks() && !debug_lookup.IsReadOnly());
 #endif
 
-  Object* result;
-  MaybeObject* maybe_result = receiver->SetElementsLength(len);
-  if (!maybe_result->To(&result)) return maybe_result;
-
-  return len;
+  RETURN_IF_EMPTY_HANDLE(isolate,
+                         JSArray::SetElementsLength(receiver, len));
+  return *len;
 }
 
 
 // Extend storage is called in a store inline cache when
 // it is necessary to extend the properties array of a
 // JSObject.
 RUNTIME_FUNCTION(MaybeObject*, SharedStoreIC_ExtendStorage) {
   SealHandleScope shs(isolate);
   ASSERT(args.length() == 3);
 
@@ skipping 990 matching lines @@
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) {
   return IC_utilities[id];
 }
 
 
 } }  // namespace v8::internal