Hi Steven, 2016-04-26 14:39 GMT+02:00 Steven Costiou <steven.cost...@kloum.io>:
> Hello, > > i am not new to Pharo nor to the list but this is the first time i speak > here, so : hi =) > > > > I started a phd a few month ago (with Alain Plantec) on context oriented > programming and dynamic programs adaptation. I am using Pharo for my > experiments and i would like to intercept messages sent to an object just > before they get to their receiver. To be more specific, when #msg is sent > to an object o, i want to be able to intercept it just before it is > actually executed with the following objects at my disposal : the receiver > (o), the message or selector, the sender. My objective by doing that is to > (try to) change the lookup for a given method, and to be able to choose in > which class the lookup will start. > > > > I have been looking a bit and it does not seem to be a "simple" way to do > that in Pharo. Is that even possible and if so, any advice on where i > should look ? > The easiest would be to use proxy or ghost objects, which catches all message sends to a proxy of the real object and let you decide what to do with them. A recent announcement on Ghosts for Pharo 5 was done, maybe starting with that could be an idea. http://forum.world.st/Ann-New-version-of-Ghost-td4886357.html For old timers: wasn't Actalk done that way ? Thierry > > > Thanks, > > Steven. >