From: Ryan Davis <ryand-ruby@...>
Date: 2012-01-18T13:07:02+09:00
Subject: Re: Which library to write a parser


On Jan 17, 2012, at 19:18 , thomas carlier wrote:

> Which one will you recommend for a simple grammar like
> 
> expressions : expression+
> ;
> expression : [{]content+[}]
> ;
> content : token
>              | TOKEN[|]content
>              |TOKEN[|]expression
> ;
> TOKEN : .*
> ;
> 
> The grammar is not correct, but you'll understand the main idea
> 
> Example : some text {text {text|text}} some text {text|text|text}
> 
> input size [100 - 5000] chars

Write your own by hand. It'll be faster and smaller than anything mentioned above.

http://www.ethoberon.ethz.ch/WirthPubl/CBEAll.pdf