On 29 January 2014 16:37, Jecel Assumpcao Jr. <jecel at merlintec.com> wrote:
> Frank Shearar wrote:
>
>> Cog _does_ support multiple languages: Squeak and Newspeak. Given that
>> Ruby can run on top of Gemstone (Maglev), there shouldn't be an issue
>> with running other languages on top of Cog... assuming there's someone
>> sufficiently interested/available to actually _do_ that. (Oh, and of
>> course IBM ran Java on top of a Smalltalk VM in Visual Age for Java.)
>
> I didn't know that. I had always thought that the IBM team had written
> all the development tools in Smalltalk but that the resulting code ran
> on a conventional Java VM.

A little bit of digging reveals this:
https://web.archive.org/web/20090122105548/http://talklikeaduck.denhaven2.com/articles/2008/10/15/will-it-go-round-in-circles
which looks like it was written by Rick DeNatale (judging by the "I
served as the secretary of X3J20." sentence.)

frank

> Note that the Java implementation on Self was sufficiently impressive
> that it convinced Sun to buy Animorphic and do the HotSpot VM. That
> project, called Pepe, was described in:
>
> http://www.merlintec.com/vmworkshop99/sub.pdf
>
> "Towards a Universal Implementation Substrate for Object-Oriented
> Language"
> Mario Wolczko, Ole Agesen, David Ungar
>
> -- Jecel
>
>