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Re: how to debug a IDL DLM routine [message #29352 is a reply to message #29275]

Wed, 13 February 2002 06:37

Richard Younger
Messages: 43
Registered: November 2000

Member

Xiaoying Jin wrote:

> How to specifying the IDLDE executable?

Gert's post has the answer, namely project->settings->debug.

> Do you mean you pause IDL for a while? But I think in this case all
> you can debug and monitor is the variables in IDL not in C program. Am
> I right? So how can I monitor C variable in this case?
> How to attatch debugger to the IDLDE process?

Ah. As I said, this method is much dirtier. I wouldn't recommend it
unless you have an error that you need to debug spontaneously for
whatever reason. But it's the method I thought of when I first started
debugging my DLMs. When I found out about the debug executable setting,
I felt like giving myself a good whack upside the head, since I had been
debugging the hard way for a couple months.

But if you want to try it, when you have the IDL prompt "press any
key...", go to your VC++ environment, select Build->start debug->attach
to process, and then select IDL.

You may have to select break, and then do a little twiddling to figure
out where you need to go back to IDL and press a key to break out of the
IDL_GetKbrd() read loop. It'll be a tad confusing as there is no
debugging info to IDL_GetKbrd(), so you'll be looking at the assembly
until you can pop up to your own code. Keeping the call stack visible
helps with this. With a little playing, you can get back to your own
code inside the VC++ debugger without too much difficulty.

Best of luck,
Rich

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Richard Younger

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[Message index]

		how to debug a IDL DLM routine By: xje4e on Tue, 12 February 2002 10:07
		Re: how to debug a IDL DLM routine By: xje4e on Wed, 13 February 2002 13:26
		Re: how to debug a IDL DLM routine By: xje4e on Wed, 13 February 2002 13:25
		Re: how to debug a IDL DLM routine By: Richard Younger on Wed, 13 February 2002 06:37
		Re: how to debug a IDL DLM routine By: Gert Van de Wouwer on Wed, 13 February 2002 01:13

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