[racket] FW: How to use structure inside define-syntax ?

From: Jos Koot (jos.koot at telefonica.net)
Date: Thu Apr 21 08:53:51 EDT 2011

 

-----Original Message-----
From: Jos Koot [mailto:jos.koot at telefonica.net] 
Sent: 21 April 2011 14:36
To: 'Veer'; 'users at racket-lang.org'
Subject: RE: [racket] How to use structure inside define-syntax ?

Wrap the definition of the struct in begin-for-syntax.
Jos 

> -----Original Message-----
> From: users-bounces at racket-lang.org 
> [mailto:users-bounces at racket-lang.org] On Behalf Of Veer
> Sent: 21 April 2011 14:22
> To: users at racket-lang.org
> Subject: [racket] How to use structure inside define-syntax ?
> 
> How do I use  structure's constructor in define-syntax .
> 
> I want to do something like this :
> 
> (struct proc-struct (name args loe))
> 
> (define-for-syntax (process ps)
>   #'#t)
> 
> 
> (define-syntax (procedure stx)
>   (syntax-case stx ()
>     [(_ name args e1 e2 ...)
>      (process (proc-struct #'name (syntax->list #'args) (syntax->list
> #'(e1 e2 ...))))]))
> 
> 
> 
> (procedure abc (x y) 2 3)
> 
> 
> Is there something like struct-for-syntax ?
> 
> Thanks
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