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YACC rules to regex rules ? (UPDATED)by LanX (Saint) |
on Aug 31, 2020 at 16:32 UTC ( [id://11121228]=perlquestion: print w/replies, xml ) | Need Help?? |
LanX has asked for the wisdom of the Perl Monks concerning the following question:
Hi I looked in App::a2p trying to understand how awk is translated to Perl ... but it's written in C, which is
From https://metacpan.org/source/LEONT/App-a2p-1.013/a2p.c <Reveal this spoiler or all in this thread> Question: Is there an obvious way to translate this to Perl regexes? A result could be a parse tree, inspected by a walker to generate Perl code.
Cheers Rolf
UPDATEI just realized that the real YACC/LEX rules are only available on GitHub https://github.com/Leont/app-a2p/blob/master/a2p.y Leon pruned this file from the CPAN version. This makes obviously more sense than decipering the generated C-files.
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