Re: BeanShell alternatives (was Re: Status of projectand adding 1.5 generics)

On Dec 13, 2008, at 9:51 AM, Nigel Galloway wrote:

> This subject arose 18 months ago. See for my feelings at the time:
>
> http://sourceforge.net/mailarchive/message.php?msg_id=148438.29107.qm%40web60019.mail.yahoo.com
>
> Beanshell uses javacc to parse the input. The syntax file it uses  
> has developed over time and contains many look aheads and  
> exceptions. It is inefficient and difficult to change. Compare it  
> with the syntax file distributed now with javacc for parsing Java 6.  
> Any syntax changes to Beanshell would probably be best done by  
> replacing its syntax file with a new one based on the official Java  
> 6 one.

At the least, we could regenerate the parser using a recent version of  
JavaCC.  Newer versions of JavaCC generate more optimized parsers,  
including parser code that uses various Java 1.5 language features. (*)

Yours,

Tom

(*)  Although JavaCC 4.2 had some problems in this regard:
http://tomcopeland.blogs.com/juniordeveloper/2008/12/a-small-fix-for-javacc-42s-code-generation.html


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