Halting when VM sends a particular message or on assertion failures

This post is mostly a reminder for myself, because each time I need to do it, I forget how it was 🙂 There are usually 2 cases where I want that the VM halts (breakpoint): 1) When a particular message is being processed. 2) When there is an assertion failure. CogVM has some kind of … More Halting when VM sends a particular message or on assertion failures

ExperimentalBit

Last days I needed to migrate some old code I used to have in the VM for tracing objects usage. Luc Fabresse also wanted to be able to set and get the value of a bit in the object header to do some experiments. So…we thought it was a good idea to make it abstract … More ExperimentalBit