JavascriptString * DynamicObjectPropertyEnumerator::MoveAndGetNextNoCache(PropertyId& propertyId, PropertyAttributes * attributes)
{
JavascriptString* propertyString = nullptr;
BigPropertyIndex newIndex = this->objectIndex;
PropertyValueInfo info;
RecyclableObject * startingObject = this->object;
do
{
newIndex++;
PropertyValueInfo::ClearCacheInfo(&info);
if (!this->object->FindNextProperty(newIndex, &propertyString, &propertyId, attributes,
GetTypeToEnumerate(), flags, this->scriptContext, &info)
|| (GetSnapShotSemantics() && newIndex >= initialPropertyCount))
{
// No more properties
newIndex--;
propertyString = nullptr;
PropertyValueInfo::ClearCacheInfo(&info);
break;
}
} while (Js::IsInternalPropertyId(propertyId));
if (info.GetPropertyRecordUsageCache() != nullptr && info.GetPropertyRecordUsageCache()->ShouldUseCache() && propertyString == info.GetProperty())
{
CacheOperators::CachePropertyRead(startingObject, this->object, false, propertyId, false, &info, scriptContext);
if ((!(this->flags & EnumeratorFlags::EphemeralReference)) && info.IsStoreFieldCacheEnabled() && info.IsWritable() && ((info.GetFlags() & (InlineCacheGetterFlag | InlineCacheSetterFlag)) == 0))
{
PropertyValueInfo::SetCacheInfo(&info, info.GetPropertyRecordUsageCache()->GetStElemInlineCache(), info.AllowResizingPolymorphicInlineCache());
CacheOperators::CachePropertyWrite(this->object, false, this->object->GetType(), propertyId, &info, scriptContext);
}
}
this->objectIndex = newIndex;
return propertyString;
}
JavascriptString * DynamicObjectPropertyEnumerator::MoveAndGetNextNoCache(PropertyId& propertyId, PropertyAttributes * attributes)
{
JavascriptString* propertyString = nullptr;
BigPropertyIndex newIndex = this->objectIndex;
do
{
newIndex++;
if (!object->FindNextProperty(newIndex, &propertyString, &propertyId, attributes,
GetTypeToEnumerate(), flags, this->scriptContext)
|| (GetSnapShotSemantics() && newIndex >= initialPropertyCount))
{
// No more properties
newIndex--;
propertyString = nullptr;
break;
}
} while (Js::IsInternalPropertyId(propertyId));
this->objectIndex = newIndex;
return propertyString;
}
