C++ and Java CNI: Check Java references

Tue Apr 24 07:55:00 GMT 2001

Cedric Berger writes:
 > Andrew Haley wrote:
 > 
 > > Cedric Berger writes:
 > > > Shoudn't that be a #pragma put on the top of the CNI file?
 > >
 > > Rather than a compiler flag, you mean?
 > 
 > Yes, my point is that if you write a piece of CNI code that rely
 > on this feature (automatic generation of NullPointerException on
 > NULLs), it's better to advertise that on the source code itself.
 > something like:
 > #pragme needs-automatic-java-null-check

It's not a property of the CNI application code because all existing
CNI code relies on an implementation to check null pointers. The only
issue is how the system does this: either with a MMU or with explicit
in-line checks. Adding in-line checks to the compiler removes the
need for an MMU.
Andrew.