On Jun 12, 2014, at 12:25 PM, Boris Zbarsky wrote: > On 6/12/14, 3:21 PM, Allen Wirfs-Brock wrote: >> simply not knowing whether all of the DOM [[Construct]] semantics could be >> successfully replaced replaced using only @@create methods and constructor >> bodies. > > WebIDL currently doesn't use a custom [[Construct]] at all. It uses a custom > [[Call]] on DOM constructors.
Is the custom [[Call]] only use to implement WebIDL overload/argument processing semantics? Or do you perform object allocations within the [[Call]. Have you looked at how such constructors would behave when a subclass constructor does a super call to them? > > Chances are, we want to move from that to using @@create or whatever is > needed to allow subclassing. In either case, I don't think we'll be doing > custom [[Construct]] in the DOM. When we talked about this in TC29 I don't think anybody identified any specific cases where they knew it would be an issue. The hesitation was more about uncertainty concern the unknown. Allen _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
