The Darwin Project

News log

October 9, 2002: Added material from the presentation of Lava at ECOOP 2002 to the papers page (poster, poster abstract, demo abstract, demo slides).

September 24, 2002: Lava II - Release Alpha 0.20 available for download. Changes: added support for inner classes and singificantly improved stability. More ...

June 12 and 13, 2002: Visit the Lava demo at ECOOP 2002 and talk with the creators of Lava! You can also meet them during coffee breaks, close to the Lava poster (PDF).

June 7, 2002: Lava II - Release Alpha 0.19 available for download. A short documentation and the full source code of the examples shown at the Lava demo at ECOOP 2002 are included in the release. More ...

Bits of History

Past, present and planed milestones in the development of Darwin and Lava:

Darwin 0

is the design for typed delegation, described in Günter's techreport of 1994.

Lava I

is the version of Lava, described in the diploma theses of Pascal and Matthias.

Lava II

is the version of Lava (and Darwin), described in Günter's PhD thesis.

Lava III

will be the result of ongoig work on extending Lava II with multiple delegation.

* The handling of multiple delegation in Darwin 0 was unintuitive (one could also say incorect :-) in the case of "diamond delegation". Lava I provided a solution which, unfortunately, produced unintuitive / incorrect behaviour in the case of dynamic delegation. Lava II abandoned multiple delegation in favour of a first type-safe and correct language definition. Lava III will integrate multiple delegation again while eliminating the deficiencies of previous attempts.