Re: LL(1) parser table

hyperarien@yahoo.com (lee)
14 Jan 2002 02:02:06 -0500

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From: hyperarien@yahoo.com (lee)
Newsgroups: comp.compilers
Date: 14 Jan 2002 02:02:06 -0500
Organization: http://groups.google.com/
References: 02-01-026 02-01-039
Keywords: LL(1), parse
Posted-Date: 14 Jan 2002 02:02:06 EST

> > S -> E
> > E -> E-T | T
> > T -> T/F | F
> > F -> F++ | G
> > G -> ++E | id


I just realized that this transformation is still ambiguous.
It shpuld rather be:
S -> E
E -> E-T | T
T -> T/F | F
F -> F++ | G
G -> ++G | id


After this the LL1 parser table comes out to be unambiguous.


-lee


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