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Re: C programs in Scheme syntax
From: |
Andrew Gwozdziewycz |
Subject: |
Re: C programs in Scheme syntax |
Date: |
Fri, 29 May 2020 09:27:12 -0700 |
One might also take a look at PreScheme:
https://en.wikipedia.org/wiki/Scheme_48 which is a lowlevel Sexp based system
that can generate C or Bytecode.
There’s also BitC, which was/is a sexp based lowlevel language. I cannot recall
if it compiled directly to C, or was itself a compiler to machine code.
These, both, are not direct answers to your question (which I think has a
fairly straightforward answer), but might give you some alternative ideas to
consider.
> On May 28, 2020, at 20:38, Keith Wright <kwright@keithdiane.us> wrote:
>
> I am thinkging about a project that uses Scheme macros
> to generate C code. To this end I want to encode C
> programs as S-expressions. For example, the C program
> that is encoded in Ascii as
>
> for (j=0;j<12;++j) a[j] = j*pi/6;
>
> might be encoded as an S-expression as
>
> (for ((= j 0)(< j 12) (++ j)) (= (sub a j)(/ (* j pi) 6)))
>
> Note that this is not a valid Scheme program, even with
> non-standard functions defined. It is a re-encoding
> of the Ascii C syntax as an S-expression.
>
> I think I have read about something like this, perhaps
> on this list, I am not sure. (Note to future language
> inventors: a single letter name makes a horrible Google
> search query. Name things with made up but pronouncable
> words---perl, fortran...)
>
> I most need to convert S-expr encoded C, to Ascii encoded C,
> but I am interested in
> (a) programs to convert S-expresions to C
> (b) specifications for the form of the S-expr encoding
> (c) better plans; advice from those who have tried and failed.
>
> Any pointers?
>
> -- Keith
>
>