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From Brian Goetz <>
Subject Re: suggestions for a student project
Date Thu, 27 May 2004 19:27:26 GMT
> Done carefully, could it be worthwile to rewrite it from scratch without a
> parser generator?

I don't think that this would offer any improvement over the current
parser for use in the Lucene project -- the maintainability would be
worse, and the performance would probably be the same (and performacne
of a query parser is almost irrelevant.) That said, if you really
wanted to write a parser, it might be a useful baseline for comparing
a rewritten parser -- the test cases include a number of specimen
queries, so by comparing the results of the existing parser and your
own, it would provide both a good "project target" and a baseline
against which to test compliance.

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