On 11 April 2010 12:41, Lukas Renggli <[email protected]> wrote: > AFAIK, the values are copied on send to the arguments/temps of > thisContext (1...4), they are not kept in the sending stack frame. > hmm... then i wonder , how ContextPart>>jump and ContextPart>>restart still working, because in #jump it using a #pop method, which decrements the sp value. Obviously, if sp == 0, it fails.
> Lukas > > On 11 April 2010 11:32, Igor Stasenko <[email protected]> wrote: >> I just found that >> >> a: a b: b c: c >> ^ thisContext sender stackPtr >> >> answers 0 :( >> >> while, in order to call the above method , a caller, obviously needs >> to push 4 values on stack: >> - push receiver >> - push a >> - push b >> - push c >> - send #a:b:c: >> >> so, a method's caller context stack _should_ contain at least 4 elements. >> >> So, either i wrong, or VM doesn't tracking the context's sp value >> correctly anymore. >> >> -- >> Best regards, >> Igor Stasenko AKA sig. >> >> > > > > -- > Lukas Renggli > www.lukas-renggli.ch > > _______________________________________________ > Pharo-project mailing list > [email protected] > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > -- Best regards, Igor Stasenko AKA sig. _______________________________________________ Pharo-project mailing list [email protected] http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
