bool
RObjectState::recover(JSContext* cx, SnapshotIterator& iter) const
{
RootedObject object(cx, &iter.read().toObject());
RootedValue val(cx);
if (object->is<UnboxedPlainObject>()) {
const UnboxedLayout& layout = object->as<UnboxedPlainObject>().layout();
RootedId id(cx);
RootedValue receiver(cx, ObjectValue(*object));
const UnboxedLayout::PropertyVector& properties = layout.properties();
for (size_t i = 0; i < properties.length(); i++) {
val = iter.read();
// This is the default placeholder value of MObjectState, when no
// properties are defined yet.
if (val.isUndefined())
continue;
id = NameToId(properties[i].name);
ObjectOpResult result;
// SetProperty can only fail due to OOM.
if (!SetProperty(cx, object, id, val, receiver, result))
return false;
if (!result)
return result.reportError(cx, object, id);
}
} else {
RootedNativeObject nativeObject(cx, &object->as<NativeObject>());
MOZ_ASSERT(nativeObject->slotSpan() == numSlots());
for (size_t i = 0; i < numSlots(); i++) {
val = iter.read();
nativeObject->setSlot(i, val);
}
}
val.setObject(*object);
iter.storeInstructionResult(val);
return true;
}
