<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> On 6/13/24 12:46, Andres Valloud via Cuis-dev wrote: <blockquote type="cite" cite="mid:bb65c457-69ee-499b-a8e8-b82863b4604b@smallinteger.com">Yeah, pretty much --- the debugging tools, and whatever messages are required by the virtual machine (a minimum of doesNotUnderstand:). </blockquote> [...] Not all VMs require #doesNotUnderstand: to be understood. GemStone, for instance, does not. If you send a message to an object that understands nothing, you get a signaled error like "doesNotUnderstand: not understood" but the VM keeps running. One of the tests of the Sparkle inspector I wrote for GemStone a few years ago is to create a subclass of nil that defines some named instvars but no methods. The inspector then sends that class #new, and inspects the resulting object successfully, showing the instvars with the value nil. It then changes the value of the instvars and displays the new values. It all works fine without sending the object a single message. I'd like to see inspectors in all Smalltalks be able to pass such a test. The inspector in Cuis might be able to; I haven't tried. Regards, -Martin </body> </html>