On Tue, Mar 03, 2009 at 10:21:33AM +1100, Vasily Chekalkin wrote: > Patrick R. Michaud wrote: >> This is also related to RT #62948, where null values appear in arrays and >> other aggregates. Instead of adding a bunch of "is this value null" checks >> throughout the code, I'd prefer to look for a way to automatically promote >> nulls into undefs at the appropriate points. > > Is it feasible to catch all "Null PMC access" exceptions at the top-level, > promote PMCNULL to Undef (or Failure) and resume from exception?
Good thinking... but there's not anything to "promote" -- i.e., from an exception handler we wouldn't have the ability to change the register that has the PMCNULL. Pm
