Alex Russell wrote:
It's unclear how we could possibly do this for anything but built-ins,
and even there it's iffy. What if someone extends you builtin's
prototype in one frame but not the other?
Anyhow, this all bottoms out at object identity. Functions are
objects, and declaring identically named objects in different
scripting contexts doesn't make the same object. To get there, you
need some iron-clad notion of "sameness". Inventing it is fraught. My
recommendation is to use frames a chunky barriers through which you do
IPC, not fine-grained object boundaries over which you call local methods.
+1
If you *do* make a "small world network" of objects that span frame
boundaries, then you're generally keeping it "all in the family" and can
cope via copying, adding instanceOf or typeOf methods, etc.
/be
On Fri, Oct 12, 2012 at 5:21 PM, Axel Rauschmayer <[email protected]
<mailto:[email protected]>> wrote:
I’m not sure that I don’t understand all the issues involved, but
making symbols global just for cross-frame communication seems
like an extreme measure. If that is possible, it would be great if
we could fix cross-frame communication completely – also for
instanceof, not just for symbols.
Does it make sense to view this as a serialization problem? One
faces the same problem as in sending an object over a wire: If you
create new Foo() at one end, you want that object to be instanceof
Foo at the other end.
Axel
--
Dr. Axel Rauschmayer
[email protected] <mailto:[email protected]>
home: rauschma.de <http://rauschma.de>
twitter: twitter.com/rauschma <http://twitter.com/rauschma>
blog: 2ality.com <http://2ality.com>
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