Re: Parsing with infinite lookahead

dwohlfor@cs.uoregon.edu (Clai'omh Dorcha)
Thu, 24 Feb 1994 22:49:36 GMT

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Newsgroups: comp.compilers
From: dwohlfor@cs.uoregon.edu (Clai'omh Dorcha)
Keywords: parse, theory
Organization: University of Oregon Computer and Information Sciences Dept.
References: 94-02-174
Date: Thu, 24 Feb 1994 22:49:36 GMT

The CYK algorithm (as seen in Hopcroft & Ullman) is capable of parsing
_any_ context free grammar. The bummer is that it is O(n^3) where n is
the length of the input string. Most folks aren't too keen on using it
when a linear parser exists for most CFG's. But it is the only general
purpose parsing algorithm.


David Wohlford
University of Oregon, Computer Science
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