Re: exception handling

On Tue, 5 Mar 2002, Cezary Zielinski wrote:

> Exception handling should be synonymous to handling error situations. We
> should not try to use that in situations that are not disastrous to the
> system. If a disaster occurs the time restrictions are not valid any more,
> so the indeterminism that you are speaking about is no longer an issue. I
> use exception handling extensively in MRROC++ and don't have problems with
> that.

There are different levels of error situations! Some are indeed a
`disaster', but others reflect nothing more than a change in the
currently valid assumptions in the robot control. The latter ones can
and should be dealt with in real-time, in some cases.

The terminology `exception' is indeed a bit overloaded :-) I think
Anders used it in the C++ interpretation of the word, which is the one
I also use in the previous paragraph.

Herman