Re: Different Strokes for Different Folks (Was: Assessing a language)

eifrig@beanworld.cs.jhu.edu (Jonathan Eifrig) wrote
> Surprisingly, there hasn't been much work in developing
>heterogenous programming environments, to support a sort of "mix and
>match" approach to programming. Such tools would go a long way to
>alleviating the language holy wars, I think.


dyer@airplane.sharebase.com (Scot Dyer) writes:
> Some new AI* languages (such as POP-11 and Trilogy) take this approach.
> Both supply the programmer with the tools of the Functional,
> Relational/Logical and Imperative programming paradigms. To the best of
> my knowledge an object-oriented mix-and-match does not yet exist.


I am not sure what you mean by that. Poplog incorporates Pop-11, Prolog,
Common lisp and ML, (users can select any subset of these languages), and
provides tools for extending these languages or implementing additional
languages. Those tools can be and have been used for object-oriented
extensions.


For example CLOS can be added to Common Lisp. Integral Solutions Ltd sell
a package called Flex (originally implemented by Logic Programming
Associates) that extends Poplog Prolog with object oriented facilities.
And Poplog Pop-11 has for some time included in its library at least two
different object-oriented extensions (using message sending, multiple
inheritance, and various other features), and will shortly have yet
another, based on multi-methods (like CLOS) rather than message sending
(like Smalltalk).


(For more on Pop-11 and Poplog see comp.lang.pop)


Aaron
--
Aaron Sloman,
School of Computer Science, The University of Birmingham, B15 2TT, England
EMAIL A.Sloman@cs.bham.ac.uk OR A.Sloman@bham.ac.uk
Phone: +44-(0)21-414-3711 Fax: +44-(0)21-414-4281
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