[Python-Dev] Making None a keyword
Thu, 25 Apr 2002 23:43:17 -0400
>>>>> "GvR" == Guido van Rossum <email@example.com> writes:
>> I can help with the compiler changes.
GvR> Great! (Though I was hoping someone from outside PythonLabs --
GvR> we're already too busy, and you in particular.)
If someone else wants to do it, I'll be happy to help.
I think it's a small project. We've got a new node type in the
grammar -- None -- and we'll need a new opcode -- LOAD_NONE. The
compiler just needs to generate a LOAD_NONE for every None node.
Does the parser prevent assignment to None? Or does the compiler need
to check for the use of None in an assignment?