[antlr-interest] Can't create AST Node?
monty at codetransform.com
Thu Jul 8 09:31:08 PDT 2004
On Jul 8, 2004, at 7:54 AM, Tiller, Michael ((M.M.)) wrote:
> Actually, I've reached the end of the rope with heterogenous AST types
> in ANTLR. It was such a pain to do this in C++ and I see a whole new
> horizon of problems on the Java side. I'm just going to bite the
> and turn "buildAST" off and make the tree myself. It is just too much
> trouble (for me) to deal with all the inheritance and casting issues.
> The downside is that this tosses tree parsing right out the window but
> haven't really used the tree parser stuff anyway so I'm not losing much
Not sure if you answered this before, but why do you want to use
heterogenous trees? The main reason I've seen is for people who want
to access the node objects directly from C++ instead of through a tree
grammar. I've only recently tried to use them with C++ on a contract
and I agree that antlr's tree building scheme is not easy to
The more diverse uses we collect the better off we are in the future.
You're the one who wrote up a whole bunch of notes on tree building
already, right? It really helps.
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