After Parrot, what next?

[Andrew Dalke]

Mark 'Kamikaze' Hughes wrote:
>In Python
>programs, there's already a perfectly functional parser, so you can
>re-use that as the scripting language, if you can trust the user to
>write safe code.  If you need a sandbox, OTOH, you have to write another
>language, and you're back to the need for a parser.

Sometimes rexec is good enough,
  http://python.sourceforge.net/devel-docs/lib/module-rexec.html

Doesn't prevent certain types of denial-of-service attacks.
Does Java have a way to prevent sandboxed code from, say,
growing through all of memory?

                    Andrew
                    dalke at acm.org