On Fri, Dec 2, 2011 at 8:30 PM, Juan Vuletich <juan@jvuletich.org> wrote:
Eliot Miranda wrote:
�...
On Fri, Dec 2, 2011 at 10:55 AM, Mariano Martinez Peck <marianopeck@gmail.com <mailto:marianopeck@gmail.com>> wrote:
� �Thanks both. I am right to assume that if the block refers to temp
� �vars, parameters, or whatever in another scope, then such solution
� �won't work. I mean, if I have this example for example:
� �| bytes result blah |
� �blah := 42.
� �bytes := FLSerializer serializeToByteArray: (SortedCollection
� �sortBlock: [:a :b | (a + blah) > b ]).
� �Then the 'blah' is in a different context. So the mentioned
� �solution works for "clean" closures, which are "self contained".
� �In the other cases (such as this example), we should serialize the
� �whole stack. Is this correct?
No. �The closure implementation arranges that any and all temporary variables accessed by the closure are directly accessible from the closure without accessing the outer contexts.
WRT clean closures, check what I did in Cuis to serialize SortedCollections. See implementors and senders of #isClean.
Nice. Thanks Juan. I was checking your code, and that's exactly why I asked Eliot. In your method you say:
isClean
��� "A clean closure is one that doesn't really need the home context because:
��� ��� - It doesn't send messages to self or super
��� ��� - It doesn't access any instance variable
��� ��� - It doesn't access any outer temp
��� ��� - It doesn't do ^ return"
.....
So... my question is, WHAT do I need to serialize if I want to be able to serialize also "non clean". I mean, for each item on that list, what do I need apart from the closure instance and the receiver and method from the outerContext ?� the whole stack of contexts ?
Thanks a lot in advance!
--
Mariano
http://marianopeck.wordpress.com