[plt-scheme] want to write a logo language on plt scheme

Depends on what you know to start with.

I'm assuming by Logo you mean turtle graphics, and I'm assuming you
aren't very familiar with Scheme. In this case I'd write the
primitives (move, turn, pen-up, etc.) in normal Scheme (probably the
scheme/gui language). This will enable you to test them without the
added confusion of macro transforms. When all this was working I'd
start creating a new language using the doc Eli pointed out.

HTH,
N.

On Thu, Feb 25, 2010 at 3:37 AM, Changying Li <lchangying at gmail.com> wrote:
> but how to begin ? where should I learn first ?
> e.g. how to define a new language ? how to write a syntax reader based
> on plt scheme?
>
> please give me some advices.
>
>
> --
>
> Thanks & Regards
>
> Changying Li
>
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