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From: Aaron Gray <aaronngray@gmail.com>
Newsgroups: comp.compilers
Subject: Re: LR(1) Parser Table Generator wanted (ideally C or C++) as refeernce
Date: Fri, 25 Mar 2016 17:26:49 -0700 (PDT)
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> [There's always Berkeley yacc, from which bison was adapted.  It's either
> BSD licensed or PD, depending on who you ask. -John]

Hi John,

I have examined BYACC in the process of researching the design of PG, but it actually only offers LR(0) and LALR(1).

Aaron
[If you want GLR, see Elkhound http://scottmcpeak.com/elkhound/
Scroll that page down and it has some links to other GLR parsers.
-John]