[Self-interest] Self implementations (was: Self implementation in Python)

[Stephen De Gabrielle]

I went ahead and created the wiki page

https://github.com/russellallen/self/wiki/Implementations

(Maybe I’ll make my own one day)

Bw

Stephen





On Thu, 19 May 2022 at 23:26, Russell Allen <mail at russell-allen.com> wrote:

> There is a place on GitHub for a Self wiki:
>
> https://github.com/russellallen/self/wiki
>
> People can add implementations there.
>
> Wasn't there another Self in Java at one point? dSelf or something like
> that?
>
> One interesting thing about both zigself and PySelf (for want of a name
> :) is that they both seek to define a small subset of the Self
> distribution as a core - booleans, collections, strings, etc.
>
> R
>
>
> On May 19 2022, at 7:43 pm, Jecel Assumpcao Jr <jecel at merlintec.com>
> wrote:
>
> > Stephen De Gabrielle asked on Wed, 18 May 2022 08:41:55 +0100
> >
> >> @Self-interest list: Is there a list of Self implementations?
> >
> > It would be nice to compile such a list and make it available somewhere
> > on the main language site.
> >
> > In the last few decades new languages have tended to have a single
> > implementation. Having an open source version that you can download over
> > the Internet and which runs on your computer (PC clone) and operating
> > system (Linux, Windows or MacOS) eliminates most reasons for creating an
> > alternative implementation. Only if you need it to be faster (like PyPy
> > or LuaJit) or smaller to run on embedded devices does the effort make
> > any sense.
> >
> > Earlier languages had many implementations. Smalltalk-80, for example,
> > took a long time to become officially available and even then only on
> > high end workstations. So people had to create their own: Smalltalk/V
> > (PCs), Little Smalltalk (text-only Unix machines and many
> > microcomputers), SmalltalkAgents (Macintosh), Smalltalk/X (Unix X11),
> > Dolphin, Smalltalk MT, Object Studio, VisualAge and probably many others
> > I have forgotten.
> >
> > Other people just mixed Smalltalk features with other languages:
> > Objective-C, ObjectPascal/Delphi, Clascal/ObjectPascal, Java, Ruby and
> > so on.
> >
> > In the same way, I would include in a list of Self implementations
> > languages that borrowed a lot from its features but which are not
> > actually compatible.
> >
> > Beyond the official implementation from Stanford and Sun and the ones
> > already listed in this thread I can remember:
> >
> > JSelf by Diego Gómez Deck
> >>
> https://web.archive.org/web/20080515215555/http://www.consultar.com/JSelf/
> (the page is currently missing)
> > Self for the Java Virtual Machine
> >
> > tinySelf0 and tinySelf1 by me
> > http://www.merlintec.com/lsi/tiny.html
> > a hand crafted parser in C capable of reading all Self 3.0 sources and a
> > Self-in-Self testing a thread per object concurrency model, respectively
> >
> > I seem to also remember a mySelf and an rSelf, which are terrible names
> > to search for.
> >
> > Many languages that are prototype instead of class based claim to be
> > inspired by Self, but I am not sure I would agree in the case of
> > NewtonScript (and Io, which is inspired by it) since they use Lieberman
> > prototypes while Self is more similar to "Smalltalk With Examplars":
> >
> > https://www.davethomas.net/papers/exemplar.pdf
> >
> > This explanation and list doesn't seem to make this separation:
> >
> > https://en.wikipedia.org/wiki/Prototype-based_programming
> >
> > It is interesting that this list doesn't include ObjectLogo which
> > predates Self and is where I first saw the idea of prototype based
> > programming (it didn't seem that interesting until I saw Self). Kevo is
> > mentioned in the article itself, but is also not on the list.
> >
> > -- Jecel
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> >
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