Re: Ada and embedded applications

["Martin Dowie" <martin.dowie@nospam.baesystems.com>]

Chris Campbell <chris.danx@ntlworld.com> wrote in message
news:LTQS6.29382$%_1.5022327@news2-win.server.ntlworld.com...
> One poster claimed that Ada was not used in some embedded devices because
of
> memory overheads for exception handling.  Claiming it was used in embedded
> devices in industries that had budgets that supported it (e.g. the
aerospace
> industry).

Christ, I'd love a budget of any size! :-)

I'm using Ada (partly) because it will save us money!


> Is this correct or is it rubbish?  Also does exception handling in Ada
really
> have a large overhead?  (This is probably an implementation issue but is
their
> anything in the language that makes exception handling bulky?).

A few compilers I've come across offer 'zero cost' exception handling. By
this
they mean that it will have no affect on %CPU usage if there are no
exceptions.
The price you pay for that tends to be *slightly* slower exception handling
if/
when it does happen.

But really, is this guy designing a system that has exceptions happening in
a run-of-the-mill fashion? If so, he should forget what language it is
written
in and go back to the design...