From: Florian Gross <flgr@...>
Date: 2004-11-18T01:58:14+09:00
Subject: Re: Ruby to C to another language (perhaps Java  (I Don't Need JRuby))

Zach Dennis wrote:

> This posting is more for a learning thing then anything else at this 
> point. I've been playing with Java to C via JNI lately doing some pretty 
> basic tests; calling methods, getting and settings fields, passing 
> primitive types around, etc...
> 
> A while back (a few months ago) I did some Ruby to C tests of pretty 
> much the same caliber.
> 
> I would like to combine the two approaches and share some objects 
> between Ruby to C to Java and vise versa. I am not looking for the JVM 
> to be able to process ruby code. (no JRuby)

There's work being done on the Ruby -> C part. See 
http://zenspider.com/~ryand/Ruby2C.pdf

That aside maybe SWIG can be useful for you?