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From: bpendlet@esunix.UUCP
Newsgroups: comp.lang.modula2
Subject: Exception handling anyone?
Message-ID: <354@esunix.UUCP>
Date: Fri, 6-Feb-87 15:52:23 EST
Article-I.D.: esunix.354
Posted: Fri Feb  6 15:52:23 1987
Date-Received: Mon, 9-Feb-87 02:42:54 EST
Lines: 33

Could we get a discussion going on exception handling in Modula-2? The lack
of a defined exception handling mechanism in the language is, in my opinion,
a serious flaw in the language. Rather like a flaw in a diamond.

I've read that C's setjmp and longjmp have been implemented and used with some
versions of Modula-2, and I've seen the description of exception handling in
Modula-2+ described in "Extending Modula-2 to Build Large Integrated
Systems" in the November, 1986 edition of IEEE Software. I'm interested in how
people have done exception handling in systems they have written in Modula-2
and what exception handling mechanisms have been implemented in other
versions of Modula-2.

If there is a reason why exception handling was left out of Modula-2 I'd
like to hear that too. 

	Thanks
		Bob Pendleton
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               Bob Pendleton
               Evans & Sutherland Computer Corporation

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sometimes happy, sometimes bored, 
almost lost in a pile of spode.
tell the people "I'm only hacking code."

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