Doc on error messages --More questions on error messages

Alexandre Oliva aoliva@redhat.com
Mon Feb 26 13:33:00 GMT 2001


On Feb 26, 2001, sherry <sherry@zeroknowledge.com> wrote:

> So, there is no doc/page/info on error messages ?

Yep.

> I have seen an error that says:
> looser throw specifier for virtual `foo`

> And that happens when the base class has a throw() spec while the derived
> class does not.

> But why is this an error?

Because the C++ Standard says so.

Just think of it.  Given:

base *x;
x->foo();

if you were allowed to throw exceptions not defined in the base class
interface, how would one be able to trust exception specifications?

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me



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