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Re: Technique for "method_missing" in IDL objects [message #67259 is a reply to message #67258]

Fri, 17 July 2009 09:22

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Paul van Delst writes:

> I'm stringing together a bunch of different objects into a container. When I define
> objects I always define an "Inspect" method so I can have a lookee at the internals of the
> objects (like the ruby inspect method). However, the inspect method for the container
> simply loops over the objects that have been placed in it calling their inspect methods.
> So, if I reach an object that does not have an inspect method, is there a technique to
> pre-determine if I can even call the method to avoid the
>
> % Attempt to call undefined procedure/function: 'OBJ::INSPECT'
>
> error that I get?
>
> Ruby provides a "method_missing" method to enable one to handle this sort of thing. Does
> IDL have any sort of equivalent? Looking at the various ROUTINE_INFO, RESOLVE_ROUTINE
> help, they don't appear to be that reliable.

OBJ_HASMETHOD might work:

http://www.dfanning.com/code_tips/hasmethod.html

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: Technique for "method_missing" in IDL objects By: Paul Van Delst[1] on Fri, 17 July 2009 11:15
		Re: Technique for "method_missing" in IDL objects By: Paul Van Delst[1] on Fri, 17 July 2009 11:07
		Re: Technique for "method_missing" in IDL objects By: mankoff on Fri, 17 July 2009 09:55
		Re: Technique for "method_missing" in IDL objects By: David Fanning on Fri, 17 July 2009 09:22

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