[antlr-interest] Appropriate use of honey badger listeners
parrt at cs.usfca.edu
Sat Jan 14 10:10:54 PST 2012
On Jan 12, 2012, at 4:35 PM, Kyle Ferrio wrote:
> Hold on a sec... I get that if the only way to rewrite a tree is to make a new tree, then comparing the pointers of the root nodes is the equality test. But I was assuming that the "new" tree might actually reuse most of the old tree and in particular the root node. I'm pretty sure I missed an imprtanr assumption in your question.
That's no problem. if you rewrite some children are way down below, it doesn't have to alter the parent connections at all.
> Re the role of antlr building trees v. Listeners later...Ah...I get it now.
> I've read your email twice. I will read it again. Sounds complicated. Would Sam's idea (stack machine) help simplify this?
> I like animals. So does Honey Badger, just not the same way.
heh heh heh
More information about the antlr-interest