Looks like PYPY is the most extensible.
https://rpython.readthedocs.io/en/latest/logging.html
And that the JIT is rebuilt from rpython, so it is fairly open to extension.
Not sure if it’s the easiest overall.
I’m easy to look up if you want to pick my brain about JSC
Looks like PYPY is the most extensible.
https://rpython.readthedocs.io/en/latest/logging.html
And that the JIT is rebuilt from rpython, so it is fairly open to extension.