OpenEuphoria

RE: Error Trapping - Att: Christian Cuvier

• Posted by Chris Bensler <bensler at nt.net> Oct 14, 2004
• 903 views

Chris Bensler wrote:
> 
> 
> Christian Cuvier wrote:
> > 
> > 
> > > What you want is error trapping and exception handling.
> > > 
> > > I've written a library to deal with this..
> > > It's not perfect, because we can't bail out of the call stack, but
> > > otherwise, it's a good solution for error trapping.
> > 
> > [snipped library partial description]
> > 
> > > I'll share it with anyone interested. I'm not going to post it, because
> > > the code is written for my own libraries, and isn't compatible with the
> > > official rds libraries. There also isn't any documentation. If there is
> > > anyone interested, I can port it back for them, and whip up some docs.
> > > 
> > > 
> > > Chris Bensler
> > > Code is Alchemy
> > 
> > I'm quite interested.
> > I'm so tired to work on a string whose length may grow or shrink as the 
> > result 
> > of recursive processing, and code n*n times "if i>length(theString) then 
> > 
> > exit 
> > end if". If your lib causes the interpreter to behave in a coder defined 
> > 
> > way - 
> > like "on error exit" or anything akin -, then it's ok.
> > Breaking compatibility is a strong decision: sometimes it must be taken, 
> > 
> > and 
> > accompanying measures must be taken alongside.
> > How would you describe the performance penalty of using this?  If it's 
> > too 
> > huge I'd be a bit wary, but I generally don't need cutting edge 
> > performance in 
> > my code, just reasonable one. There are fastmachines nowadays.
> > 
> > CChris
> > 
> > 
> In my experience, my exception library does not cause a performance loss 
> 
> at all. The same steps are taken to throw and trap an error as is to 
> manually test and report an error. The difference is in the automation 
> of the task. Any performance penalty incurred would happen within the 
> error cases, by which point, perfomance is a sideline then.
> 
> I'll work on porting the lib for you.
> 
> Chris Bensler
> Code is Alchemy
> 

You can get my exception library from
http://empire.iwireweb.com/forums/index.php?download=19

Sorry, you will have to sign up, I haven't figured out how to allow 
guests to download files yet :<

Chris Bensler
Code is Alchemy