Re: LL1 program ???

Joachim Durchholz <>
13 Jul 1998 23:40:35 -0400

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From: Joachim Durchholz <>
Newsgroups: comp.compilers
Date: 13 Jul 1998 23:40:35 -0400
Organization: Compilers Central
References: 98-07-009 98-07-033 98-07-098
Keywords: parse, LL(1)

Mohd-Hanafiah Abdullah wrote:
> As mentioned it's impossible to transform just any language grammar to
> its LL(1) equivalent. But, you may be interested in a program written
> by Will Clinger in Scheme that tells whether your grammar is LL(1) or not.

Of course this doesn't tell you whether the *language* is LL(1) or not.
(An LL(1) language is a language that has an LL(1) grammar; if you
grammar happens not to be LL(1), this doesn't mean an LL(1) grammar
doesn't exist for it.)


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