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Re: catch error inside idlbridge [message #94854 is a reply to message #94850]

Tue, 07 November 2017 09:53

wlandsman
Messages: 743
Registered: June 2000

Senior Member

The documentation warns that
http://www.harrisgeospatial.com/docs/IDL_IDLBridge.html

"Debugging a routine running in a child IDL process presents challenges not present when debugging routines running in the main IDL process. Child IDL processes have no direct connection to the parent IDL process."

I agree that the documentation is ambiguous about whether one should be able to use ON_IOError in the child process. Two things I would try:

1. Use the FILE_TEST() function to test for a valid file.
2. Have an error parameter which can be passed between the child process and the main process

On Monday, November 6, 2017 at 5:28:31 PM UTC-5, andre.w...@web.de wrote:
> Can someone explain to me the following behavior or is this a bug? I am trying to catch an error in my idlbridge object, but this fails (put in C:\test\test.pro):
>
> pro test2
> on_ioerror, jmp
> openr, unit, 'nothing', /get_lun ; provoke error
> jmp: return
> end
>
> pro test
> a = obj_new('idl_idlbridge')
> a->execute, 'cd, "C:\test"' ; make sure idlbridge knows this file
> a->execute, 'resolve_routine, "test"'
> a->execute, 'test2' ; the error does not get caught and execution halts here
> end

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[Message index]

		catch error inside idlbridge By: andre.waehlisch on Mon, 06 November 2017 14:28
		Re: catch error inside idlbridge By: wlandsman on Tue, 07 November 2017 09:53
		Re: catch error inside idlbridge By: andre.waehlisch on Mon, 13 November 2017 05:03

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