Re: [Chicken-users] hygienic macros

[Peter Keller]

On Wed, Dec 04, 2002 at 09:05:20AM +0100, Felix Winkelmann wrote:
> There are (IMHO) two solutions:
> 
> 1) Implement it ourselves, completely from scratch. This is generally
>    possible, but anything more that straight R5RS (i.e. syntax-case)
>    seems to hard. And we need something like this, since many core
>    forms can not be implemented with syntax-rules

Excuse me if I'm naive here, but what is the difference between
syntax-case and define-syntax(and associated let-syntax, syntax-rules,
etc.) stuff in the R5RS report?

> 2) Port the freely available syntax-case package from Dybvig et al.
>    to Chicken. This would have to be extended to allow embedding
>    line-number information in syntax objects, though.
>    AFAIK, SISC has taken this approach.

-pete