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All the Perl that's Practical to Extract and Report

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  • Any idea how well Perl::Tidy compares to PPI::HTML ? I whipped together a code folder/compressor [presicient.com] for PPI::HTML, but haven't had time to get it CPAN ready yet, and am in mind to add some add'l behaviors. PPI::HTML tends to be a bit sluggish, but I'm wondering if it does a more complete tagging of language elements than Tidy ?
    • PPI::HTML is the most accurate of all of the syntax highlighters, by a significant margin, especially when you hit things like heredocs and complex regular expressions and so on.

      The only problem is that, yes, PPI and therefore PPI::HTML are resource pigs. Parsing Perl is Hard :)

      Personally, I use PPI::HTML when I can afford the CPU or I'm caching a lot, and the rest of the time I don't bother at all.
      • > The only problem is that, yes, PPI and therefore PPI::HTML are resource pigs. Parsing Perl is Hard :)

        Well, perltidy is also quite big ... almost 1MB of source code!

        If you have an ActiveState distrib, there is also the ActiveState::ScinePlex module which is quite good. I played with both ScinePlex and PPI while designing Pod::POM::Web, and found that the results are quite similar

        • > Well, perltidy is also quite big ... almost 1MB of source code!

          That's mostly because it runs exceptionally evilly, from what I could tell reading it, it doesn't parse perl so much as nudge whitespace around.

          And I believe it's actually a good deal faster.

          And finally, PerlTidy doesn't actually do any syntax highlighting from what I understand, it just does the whitespace-shifting work, he'd have to be highlighting using something else.
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