Alternative Ruby grammar

On Nov 17, 9:01 pm, “M. Edward (Ed) Borasky” [email protected]

Markus L. wrote:

What’s your goal with this?

I will give another try at building a Ruby VM. I didn’t want to use
one of those parse.y adapters. I think its really nice and useful to
have a portable parser.

I thought your name looked familiar – you were the lead on the
“Carbone” project to build a gforth/vmgen based Ruby virtual machine,
right? Have you picked that up again, and is this part of it?

No, it’s not part of it. I’m starting from scratch again.
Along the lines of David Ungars SOAR and Ian Piumartas thesis; from
tree directly to machine code.

On Nov 17, 2007, at 17:17 , Charles Oliver N. wrote:

However, when I occasionally play with XRuby, I frequently find
something not quite right. Last time, they were missing flip-flop.

To be fair… flip-flop isn’t quit right.

On Nov 18, 2007 1:20 AM, Charles Oliver N. [email protected]

If MRI is considered the gold standard, then obviously it’s 100%

Thanks for the clarification. I guess that’s the problem with a de
facto vs a de jure standard - it can be a moving target.

By the way, the progress you’re making on JRuby really is a delight -
great job.