Jeroen Frijters writes:
> Andrew Haley wrote:
> > In gcj, we have a method called GetCallingClass(Class c). It searches
> > firstly for a method declared in class c, then for a method not
> > declared in c. We have found, after a certain amount of trouble, that
> > this is the right way to do things; it means that an arbitrary number
> > of stack frames can be between the direct caller of GetCallingClass
> > and the user code, and it also means that you don't have to check for
> > assignability, but for an exact match.
>
> This is a dumb idea...
>
> > For example, you may have
> >
> > class Foo
> > {
> > bar (Object O)
> > {
> > return baz(O);
> > }
> >
> > baz (Object O)
> > {
> > ... GetCallingClass (Foo) ...
> > }
> > }
>
> class Frob extends Foo
> {
> baz (Object o)
> {
> super.baz(o);
> }
> }
>
> > ... and you will get class of the caller of bar, not Foo.class.
>
> No, you'll get Frob.
Which is the Right Answer: the caller of baz *is* Frob.
Andrew.
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