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Re: Eliminating Left Recursion in Parse::RecDescent

by cogent (Monk)
on Mar 21, 2002 at 17:01 UTC ( #153355=note: print w/ replies, xml ) Need Help??


in reply to Eliminating Left Recursion in Parse::RecDescent

I'm currently going through the Dragon Book in order to write a parser for JavaScript in pure Perl.

Since I'd planned on using Parse::RecDescent, and the grammar (summarized at the end of the standard) is quite large, I'm planning on writing a module to systematically eliminate left recursion. (I also plan to do some other grammar munging, like eliminating epsilon-expressions.)


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