[antlr-interest] Re: Translators Should Use Tree Grammars
atripp54321
atripp at comcast.net
Tue Nov 23 07:16:04 PST 2004
> > I don't want to "walk the tree", I want to "search the tree for
patterns
> > and make replacements".
>
> That's exactly what a tree walker gives you.
But only matching at a particular point in the walking of the
tree, right? In other words, I can't just say "match this pattern
anywhere in the AST", I have to put the pattern at a particular
place in the grammar (or put that action at each and every
node in the grammar). Or Am I missing something?
>
> Take care,
> John
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