[phobos] Calling abort() on unhandled exception

[Leandro Lucarella]

Andrei Alexandrescu, el 30 de julio a las 08:52 me escribiste:
> Steve Schveighoffer wrote:
> >Um, no.  Exceptions can easily be uncaught (oops, forgot a try
> >catch!).  I don't want the end result of an uncaught exception to
> >be a bug that's impossible or difficult to determine because no
> >stack trace was printed.  Let's consider that an exception may not
> >be easily repeated and is most likely encountered by a user, not a
> >developer.  Giving a mechanism to communicate the problem as
> >completely as possible from the user developer should be the
> >default.
> >
> >We should classify any exception or error that gets thrown outside
> >of main to be an exception that was not planned for by the
> >developer, and therefore a program error.  This should trigger as
> >much info as possible, definitely including a stack trace, and
> >possibly a core dump (though, dumping core after catching an
> >exception is next to useless).
> >
> >If you want to avoid printing stack traces, catch the exception
> >inside of main.  I don't think it's too much to ask.
> 
> That argument goes both ways, i.e. I could tell you it's not much to
> ask to insert a try/catch if you care about the stack trace.

Is clear that you don't understand the issue here. It's *IMPOSSIBLE* to
get a stack trace in a debugger (i.e., a live stack trace) or a core
dump that way.

So, yes, it way too much to ask :)

> It comes back to doing a sensible thing by default. main() without a
> try/catch is common in short scripts. I am currently _exceedingly_
> happy that I'm able to write 10-line scripts that do something
> interesting and behave reasonably in all circumstances. Obviously, a
> stack trace is not something anyone would be interested in for a
> short script. You are saying that I should take a size hit in order
> to protect you from adding 6 lines to a 100,000 lines program.
> 
> D should be script-friendly, it's a huge boon and a huge appeal, and
> stack traces don't go with script friendliness. Serious programs can
> afford the slight overhead.
> 
> See my point?

Not really.

-- 
Leandro Lucarella (AKA luca)                     http://llucax.com.ar/
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