Re: RecDescent
[email protected] (Terrence Brannon)
| Newsgroups | perl.recdescent |
|---|---|
| Message-ID | <[email protected]> |
On Tuesday, December 11, 2001, at 06:57 AM, Adaoui Mark wrote: > > Hi all, i have just successfully managed to build a parser using > RecDescent, > though it is very very slow, takes about 14mins to parse an input > file that > is 80kb. > Is this a common problem with RecDec, or is this the norm? > > we have a program written in Heskel that parses the same input > file in less > than 5 seconds! > > do you mean "Haskell" as in http://www.haskell.org I have never heard of Heskel... anyway, I would be curious to see both your RecDescent grammar and the input file. I can't imagine the difference between the two being so great! However, for clues on optimization use these resources: ** Parse::RecDescent::FAQ at search.cpan.org ** this recent discussion: http://www.perlmonks.org/index.pl?node_id=130656 ** reading the archives of this list as well as Usenet archives is un-necessary as I have pulled all old optimization hints from both places into the FAQ