Re: [boost] Interest in a fast lexical analyser compatible with Spirit

From: christopher diggins (cdiggins_at_[hidden])
Date: 2004-12-27 10:17:13

----- Original Message ----- 
From: "Dave Handley" <dave_at_[hidden]>
To: <boost_at_[hidden]>
Sent: Monday, December 27, 2004 9:18 AM
Subject: [boost] Interest in a fast lexical analyser compatible with Spirit

> Finally, as a taster of the work we are doing, I have performed some 
> rather unscientific and arbitrary performance tests on a 20Mb VRML 1.0 
> file. The performance of flex, Spirit, and our new library are as follows:
>
> flex: < 1 second
> new library:  about 1 second
> Spirit: 40-50 seconds.

Would you please post the grammar productions you used for Spirit? Would you 
consider testing the yard parser as well, http://yard-parser.sf.net ? Are 
there other advantages of your tool over Flex, other than providing a nice 
interface to Spirit?

Christopher Diggins
http://www.cdiggins.com
http://www.heron-language.com