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From: Kilgallen@SpamCop.net (Larry Kilgallen)
Newsgroups: comp.lang.ada
Subject: Re: Ada exception block does NOT work?
Date: 20 Aug 2005 23:02:46 -0500
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Date: 2005-08-20T23:02:46-05:00
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In article <wccslx4gumc.fsf@shell01.TheWorld.com>, Robert A Duff <bobduff@shell01.TheWorld.com> writes:
> "Jeffrey R. Carter" <spam@spam.com> writes:
> 
>> Robert A Duff wrote:
>> 
>> > Ada was certainly not the first language with exceptions.
>> > Does anybody know which one was?  And were they called "exceptions"
>> > and were they "raised" and "handled"?
>> 
>> Perhaps I should have added a smiley in there.
> 
> ;-)
> 
>>... But between Ada and those
>> using the C++ notation, Ada was certainly first.
> 
> Indeed.  I do prefer "raise/handle" to "throw/catch", but maybe because
> that's what I'm used to.
> 
> There are also exceptions in the hardware world, variously called
> "exceptions", "traps", and "synchronous interrupts".  I'm talking about
> divide-by-zero, overflow, and the like.  Surely the software concept
> came from that?

VMS had exception handlers/signal handlers in 1978 with most languages
establishing handlers by calls to runtime routines.