[squeak-dev] Bootstrapping (Subversion (was: Re: Perl is to
CPAN as Squeak is to (what)?))
Yoshiki Ohshima
yoshiki at vpri.org
Mon Jun 30 23:24:39 UTC 2008
At Sun, 29 Jun 2008 07:31:26 -0500,
Ralph Johnson wrote:
>
> Pavel Krivanek
> http://www.comtalk.eu/Squeak/98
>
> On Sun, Jun 29, 2008 at 4:09 AM, Yoshiki Ohshima <yoshiki at vpri.org> wrote:
>
> > - Write a compiler in another language. That can generates the bits
> > that are same as CompiledMethods. For a class definition, it
> > creates (yes) the network of pointers.
> >
> > - The compiler sticks the class definitions, method dictionaries,
> > subclass structure, and compiled methods into a big "int*" array.
> > The goal is to make that something just run, so for example, the
> > stuff managed by ClassDescription (instanceVariable names and
> > organization) don't have to be compiled. Stuff like the source
> > pointer is not needed at this stage.
>
> The compiler doesn't have to be in another language. What is
> important is that the compiler builds a Squeak image from a text file.
> The compiler can be written in Smalltalk as long as it uses only the
> class definitions in the test file, not in the compiler's image.
This is more or less settled but...
If the compiler is written in Smalltalk, we would have a binary
image to store the compiler; and some people wouldn't like it.
Nonetheless, it can be in Slang and we can just show the translated C
code as if it is the "egg".
-- Yoshiki
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