[antlr-interest] postmortem
Darien Hager
darien.hager at etelos-inc.com
Thu Mar 13 13:13:11 PDT 2008
On 3/13/08, Andy Tripp <antlr at jazillian.com> wrote:
> That would be an interesting project.
> My guess is that you could use various heuristics to try to figure out
> what a reasonable AST might be.
> But that approach of using heuristics and producing less-than-perfect
> output doesn't go over well with the compiler crowd.
>
I'm not talking about any sort of AI, I just mean generating rewrite
rules (or !/^ usage) that replicates the structure of the grammar to make a
new subtree when each rule is hit.
Basically, generating AST-related grammar bits (possibly with additional
imaginary tokens) which yield an approximation to the parse tree. If nothing
else it may be a useful starting point for someone making an AST which has
similarities to their parser rule breakdown.
--
Darien Hager
Developer
Etelos, Inc.
darien at etelos.com
http://www.etelos.com
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