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From: Vinzent Hoefler <JeLlyFish.software@gmx.net>
Newsgroups: comp.lang.ada
Subject: Re: advantages or disadvantages of ADA over pascal or modula
Date: Sat, 04 Jan 2003 17:16:44 -0500
Organization: JeLlyFish software
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Date: 2003-01-04T17:16:44-05:00
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"Steve" <nospam_steved94@attbi.com> wrote:

>After maintaining both Pascal and Ada code, I wholeheartedly disagree that
>Ada's renaming is equivalent to Pascal's with.
>
>If you're trying to analyze Pascal code that looks something like:
>
>  with a, b, c, d do
>    begin
>       field1 := fieldA
>    end;

*eeek*

>Tracking down where the !@** field1 and fieldA come from is non trivial.  In
>fact if these fields exist in more than one of the a, b, c, d records it may
>be compiler dependent.

No, AFAIK it should be the last mentioned, because "with a, b, c, d"
is nothing else than saying "with a with b with c with d".

>Side note: I worked on a Pascal to Ada translator that converted with blocks
>to declare blocks with renaming.  A few bugs became readily apparent when
>the full qualification in the renaming was shown.

The code looked like the example above? No wonder.


Vinzent.