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Re: Error handling by build-in IDL routines [message #14640]

Tue, 16 March 1999 00:00

Vapuser
Messages: 63
Registered: November 1998

Member

"R.Bauer" <R.Bauer@fz-juelich.de> writes:

> Try this!
>
> PRO t2,test
>
> HELP,/recall,output=output
> for_test=(STR_SEP(output[1],','))[1]
> varsize=SIZE(routine_names(for_test,fetch=-1),/type)
> VarValue = Routine_Names(for_test, FETCH=-1 )
>
> IF test EQ varvalue THEN IF varsize NE 4 THEN $
> MESSAGE,'Expression must be of type FLOAT:'+for_test,/info
>
> END
>
> dd='dummy'
> t2,dd
>
> % T2: Expression must be of type FLOAT:dd
>
>
> R.Bauer

I don't think this work in a procedure.

If anyone out there in RSI land is listening...

It would be nice to have a function like the Perl package Carp.pm,
which reports errors from the line number of the invocation of Carp's
calling routine. So, say you have a perl routine foo which reports
some error by calling carp. The linenumber given in the error message
emitted by Carp is the line at which foo is called, not the line at
which Carp is called. That way, you can write error handling code that
doesn't have to keep track of the stack, and depend on the output from
help.

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[Message index]

		Re: Error handling by build-in IDL routines By: Vapuser on Tue, 16 March 1999 00:00
		Re: Error handling by build-in IDL routines By: R.Bauer on Mon, 15 March 1999 00:00
		Re: Error handling by build-in IDL routines By: R.Bauer on Mon, 15 March 1999 00:00

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