Re: java.lang.Class.newinstance(): exceptions; desired behavior?

[Steven Augart]

Jeroen Frijters wrote:
> Steven Augart wrote:
>
> > It is now the documented behaviour as of JDK 1.5.0rc1.  (And it is 
> > *really annoying* to implement in a VM written in Java, like 
> > Jikes RVM).
>
>
> A while ago it occurred to me that Thread.stop(Throwable) can also be
> used to throw arbitrary exceptions (on the current thread). It's
> deprecated of course, but Sun still supports it (as of JDK 1.5.0-rc).
>
> BTW, I'm curious, why is it hard to implement VMClass.throwException on
> JikesRVM?

I was wrong.  I'd forgotten about a back door (our VM_Runtime.athrow 
method).

Of course, if Class.newInstance were properly declared (as throwing 
any Throwable) then I wouldn't have had to use VM_Runtime.athrow; 
implementing VMClass.throwException would have just been a matter of 
using the "throw" statement.

--Steve Augart

--
Steven Augart

Jikes RVM, a free, open source, Virtual Machine:
http://oss.software.ibm.com/jikesrvm