Re: Verifier error using define-simple-class

[Dean Ferreyra <dferreyra at igc dot org>]

Hi Dominique,

Thanks for pointing this out and for the workaround.

Dean

Dominique Boucher wrote:
> Hi,
>
> A bug is already open regarding a similary issue (#4881) on Savannah. A here
> is simple work-around: when accessing fields or calling methods in a
> lambda-expression inside the body of a method, I usually wrap the whole
> method body with (let ((self (this))) ..):
>
> (define-simple-class <A> ()
>    ((workaround)
>     (let ((self (this)))                 ; <-----
>       (let ((fn (lambda (o)
>                   (invoke self 'get-identity-property-name o))))    ; <-----
>          fn)))
>    ...
>    ((get-identity-property-name property-name)
>     (string-append property-name "Identity")))
>
>
> Suggestion: maybe Kawa could do this automatically (or something similar),
> so that a 'self' variable is always visible in method bodies?
>
> Dominique