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All the Perl that's Practical to Extract and Report

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Attribute Grammars 2 Comments More | Login | Reply /

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  • This sounds like the start of something useful.

    If someone not a Haskell afficionado wishes to answer "What is a Attribute Grammar", the article at [wikipedia.org] is of course quite concise and neutral. Although Luke's POD [cpan.org] is a pretty good tutorial as is.

    Question. Do I understand that your AG class implements the synthetic and inherited Attributes for a data-structure already parsed and created by Parse::RecDescent or whatever? In which case -- pending a marriage of the two modules -- a pre-processor to extract P:RD

    --
    Bill
    # I had a sig when sigs were cool
    use Sig;
    • Thank you for the POD compliment, though I do think I need to rewrite it. I was in a coding mood, not a writing mood, when I wrote it. The AG modle works on any blessed data structure, actually, so yes, presumably P::RD already created it. I can see such a preprocessor coming in useful when I add structure specification, but at the moment, I don't think it would buy you anything. There is no redundant information there. A very simple preprocessor that would allow you to interleave an AG and a BNF may be mildly beneficial, though. Luke
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