Re: Ada and UML

[Brian Drummond <brian_drummond@btconnect.com>]

On Thu, 02 Sep 2010 06:48:18 +0200, "J-P. Rosen" <rosen@adalog.fr> wrote:

>Le 02/09/2010 02:22, Yannick Duch�ne (Hibou57) a �crit :
>> I did not knew Grady Booch used Ada. Did he wrote about it also ?
>> 
>Oh yes! Here is the sad story of Gradykin Boochwalker.
>
>Grady  Booch was part of the initial Rational team. The company started
>by writing the ROLM/Data General (3rd validated compiler), then they
>designed their own Ada compiler, and the R1000, a machine whose hardware
>was specially tailored for Ada development.

Oooh, interesting ... "The horizontally-microprogrammed R1000 provided two
independent 64-bit data paths, permitting simultaneous computation and type
checking".

Sounds a little bit familiar, given other recent threads.

I didn't know about that one. Thanks!

>At that time, Booch wrote "Software Engineering with Ada" (translated in
>French by J-P. Rosen ;-) ), a book that laid the basis of (composition)
>OOD.

Still, IMO, an excellent book; I would love an update to Ada 95/2005...
(admittedly I haven't read the translation!)

>Then, Rational gave up on the idea of a dedicated development machine.
>They saw that the market was going C++, and Booch turned to the dark
>side of the source...

... probably to "close the semantic gap" with the then-fashionable RISC
machines.

- Brian