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Debugging a widget program (someone else's) [message #84270]

Thu, 09 May 2013 14:03

wlandsman
Messages: 743
Registered: June 2000

Senior Member

I'm looking for generic advice on how to debug a large widget program. Right now I press on a button and it displays an incorrect value. But I don't have any idea where to insert a breakpoint in the thousands of lines of code to debug the problem. Yes, I could look at the widget creation section for the button, then look for the event handler, and then try to follow the hierarchy of procedures until I find the function doing the calculations.

What I would really like is some sort of procedure event log, that could show me in order the procedures and functions that are called after I press the button. Sort of like a reverse traceback that tells me where I am going rather than how I got where I am ;-)

I vaguely recall reading about something like this, but maybe it wasn't in IDL.

Thanks, --Wayne

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