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From: "Martin Dowie" <martin.dowie@baesystems.com>
Newsgroups: comp.lang.ada
Subject: Re: Parameter return when exceptions occur
Date: Fri, 29 Oct 2004 09:59:44 +0100
Organization: BAE SYSTEMS
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Date: 2004-10-29T09:59:44+01:00
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Christoph Karl Walter Grein wrote:
>>> Question: when the End_Error exception occurs, is anything known
>>> about the value of the parameters to Get_Line?  Does the procedure
>>> still return meaningful values?
>>>
>>> I suspect it is compiler dependent, since I didn't manage to find
>>> any explanation in the LRM.
>>
>> If a subprogram raises an exception you can assume /nothing/ about
>> the contents of the returning values.
>
> In fact, there even isn't a returned value since you "return" to a
> different place: the exception handler (if any).

The parameters used in the call might still be in scope though - but you
can't assume anything about their contents.

Cheers

-- Martin