How about implementing the functionality of Inquery's synonym operator? Regards, Paul
On Thursday 27 May 2004 21:47, Jean-Francois Halleux wrote: > I surely for one don't want to rewrite the parser but we have someone > looking for a > student project here :) > > There may be good reasons to hand code a parser I guess: > > http://gcc.gnu.org/gcc-3.4/changes.html > > says the C++ parser has been recoded by hand instead of using a parser > generator. > > I am not sure at all maintainability would be worse. I have corrected a few > bugs in the current parser two-three months ago and this isn't what you can > call an easy task. Now I agree that correcting a parser or a grammar is > probably never an easy task. > > Performance would probably be the same. > > Anyway, like you said, a good baseline for a comparison. > > -----Original Message----- > From: Brian Goetz [mailto:[EMAIL PROTECTED] > Sent: jeudi 27 mai 2004 21:27 > To: Lucene Developers List; [EMAIL PROTECTED] > Subject: Re: suggestions for a student project > > > 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. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
