Re: [bootstrappable] Re: Can Guile be bootstrapped from source without psyntax-pp.scm?

[Jan Nieuwenhuizen]

Michael Schierl writes:

Hello,

> Jan Nieuwenhuizen wrote to guile-user@gnu.org[1] on 07 Jul 2017:
>> Mark H Weaver writes:
>>
>>>> Does this mean Guile is not bootstrappable from source only?
>>>
>>> That's correct.  psyntax-pp.scm is not source code, and it is needed to
>>> bootstrap Guile.
>>
>> I'm facing the same problem with Mes.  I have an implemenation of
>> syntax-rules that is just about 200 lines of define-macro source code,
>> but not syntax case.
>
>>> Having said this, I agree that it would be better if psyntax.scm were
>>> written in such a way that it could be bootstrapped without the use of
>>> itself.  Maybe some day we'll rewrite it to make it so.
>>
>> That could be essential to our full source bootstrapping efforts so I'm
>> very much interested!
>
> For the record, I have written a psyntax implementation that can be used
> by Guile (3.0.2) and does not require an expanded version of itself.

Oh, that's amazing!  I see that you are using make-syntax-transformer
(and others) which GNU Mes does not support yet; it only has
define-macro.  This may be a good reason/opportunity to work towards
better Guile support in Mes.

Greetings,
Janneke

-- 
Jan Nieuwenhuizen <janneke@gnu.org> | GNU LilyPond http://lilypond.org
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