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Re: Debugging "$4"


From: Akim Demaille
Subject: Re: Debugging "$4"
Date: Thu, 8 Oct 2020 08:17:44 +0200


> Le 7 oct. 2020 à 23:52, Chris verBurg <cheetomonster@gmail.com> a écrit :
> 
> 
> I don’t know if this is helpful, but is there a problem with ambiguity 
> between these parses:
> 
> (IF 1=1 THEN PRINT “3” ) : PRINT “4”
> 
> and
> 
> IF 1=1 THEN (PRINT “3” : PRINT “4”)
> 
> ?  Because if the shift/reduce conflict resolved toward the first one, then 
> $4 really only has one statement anyway.

Chris might be very right here.  Maury, have you looked at your debug traces?  

https://www.gnu.org/software/bison/manual/html_node/Tracing.html


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