From: John Lam <drjflam@...>
Date: 2006-04-15T03:28:37+09:00
Subject: Re: Calling instance_eval on a block in C

------=_Part_37719_31513754.1145039314289
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

I think you're right. I've tried all sorts of combinations before posting
this plea for help :)

Now I have to turn this method that I've been writing all morning inside-ou=
t
since I can't make this happen ... yuck.

Thanks for looking around!
-John
http://www.iunknown.com

Hey John,
>
> I'm not positive, but I don't think it is possible, because of the
> block. Blocks come in through manipulated ruby_frames, even if they
> look like they are passed in via shells. Clues being:
>
> static VALUE
> rb_f_block_given_p()
> {
>      if (ruby_frame->prev && ruby_frame->prev->iter =3D=3D ITER_CUR &&
> ruby_block)
>          return Qtrue;
>      return Qfalse;
> }
>
> and the first hunk of specific_eval reading:
>
>      if (rb_block_given_p()) {
>          if (argc > 0) {
>              rb_raise(rb_eArgError, "wrong number of arguments (%d
> for 0)", argc\
> );
>          }
>          return yield_under(klass, self);
>      }
>
>

------=_Part_37719_31513754.1145039314289--