OpenEuphoria

Re: BREAKing into Euphoria

• Posted by Robert Craig <rds at RapidEup?oria.?om> Sep 11, 2007
• 2145 views

Andy Drummond wrote:
> Ah, but I have this enormous program and somewhere, somehow,
> it is locking up in a loop. If I went around putting in
> timeouts & traces I'd take longer than modifying the source
> for the interpreter and recompiling it and using a ctl-C or
> whatever. No, what I *need* is a way of getting the
> interpreter to enter its trace routine from keyboard use
> and not from trace(). Even then it is a problem because it
> is likely the program is not looking at the keyboard, so
> the interpreter would have to go check the keyboard itself
> for a break character.
> Apart from all that, it is likely that the loop is not supposed
> to be a loop anyway, so I wouldn't know to trace it.
> This is the ultimate cock-up cracker. I could use the profiler
> if I could get the program to stop cleanly rather than saying
> "This program is not responding - terminate anyway (Y/N)" 
> which dumps anything it had available into a black hole.
> So thanks anyway, but - I need to ask the question again.

Have you tried:
  with trace
  trace(3)

It will slow your program down,
but you'll capture the last 500 statements
in a file, ctrace.out

After forcibly killing it, you might be able to 
see in ctrace.out what it was doing when it 
became non-responsive.

Regards,
   Rob Craig
   Rapid Deployment Software
   http://www.RapidEuphoria.com