Getting rid of metaclasses (Was: Behaviors vs Modules)
Alan Kay
Alan.Kay at squeakland.org
Tue Feb 26 00:30:00 UTC 2002
Thanks Jerry!
Cheers,
Alan
-----
At 5:53 PM -0600 2/25/02, Jerry Bell wrote:
>Hi all,
>
>I have a couple of PIE documents which the folks at PARC were nice enough to
>copy and send me. They are scanned and I've just made them available:
>
>A Layered Approach to Software Design
>(Ira P. Goldstein and Daniel G.Bobrow, CSL-80-5 December 1980)
>1.9 MB
>
>http://www.dolphinharbor.org/docs/PIE%20Layered%20Approach.pdf
>
>and:
>
>An Experimental Description-Based Programming Environment: Four Reports
>(Ira Goldstein and Daniel Bobrow, CSL-81-3 March 1981)
>3.18MB
>
>http://www.dolphinharbor.org/docs/PIE%20four%20reports.pdf
>
>Both are (c) Xerox. I hope there is no problem posting them.
>
>
>Hope these are useful,
>
>Jerry Bell
>
>
>
>
>
>
>> -----Original Message-----
>> From: squeak-dev-admin at lists.squeakfoundation.org
>> [mailto:squeak-dev-admin at lists.squeakfoundation.org]On Behalf Of Jim
>> Benson
>> Sent: Sunday, February 24, 2002 10:47 PM
>> To: squeak-dev at lists.squeakfoundation.org
>> Subject: Re: Getting rid of metaclasses (Was: Behaviors vs Modules)
>>
>>
>> Nathanael,
>>
>> > The ideas of having multiple roles/views/perspectives
>> associated to an
>> > object sounds very interesting and promising. I'd really
>> like to know more
>> > about these PIE system and its implementation. If you have
>> any pointers to
>> > some information, please let me know.
>> >
>>
>> The only place I've seen any of this written up was in the
>> book Interactive
>> Programming Environments [1984] edited by Barstow, Shrobe,
>> Sandewall, ISBN
>> 0-07-003885-6. PIE is written up as "A Layered Approach to
>> Software Design"
>> by Goldstein and Bobrow. pp 387-413. This paper was
>> originally published as
>> Xerox Parc CSL-80-5.
>>
>> Whenever I want to be depressed, I just pick that book up and
>> start reading.
>> It represented the state of the art in '84, and it's amazing
>> how little
>> things have advanced since then.
>>
>> I haven't found anything online, but I hoped that this
>> information might
>> help.
>>
>> Jim
>>
>>
>>
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