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000068_icon-group-sender _Fri Feb 27 08:17:15 1998.msg
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Received: from kingfisher.CS.Arizona.EDU (kingfisher.CS.Arizona.EDU [192.12.69.239])
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Date: Fri, 27 Feb 1998 10:24:27 +0300 (MEST)
From: Ehud Lamm <mslamm@mscc.huji.ac.il>
To: Mark Evans <evans@gte.net>
Cc: icon-group@optima.CS.Arizona.EDU
Subject: Re: icon questions
In-Reply-To: <34F34131.2689@gte.net>
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>
> > There are several problems with translating Icon into C. Some of
> > the major problems are:
> > - variables must be able to hold any value, and values must include
> > type information. In some cases, if you do enough analysis, you
> > can remove these requirements, but in general you cannot.
>
> It seems to me that this requirement is not a hard one to handle. Why
> bother eliminating it?
>
However, using run time type information is usually a sure way to cause
performance problems... So agood translator/compiler should know how to
eliminate it when possible. Good programmers should code in ways the
reduce type conversions too.
Ehud Lamm mslamm@pluto.mscc.huji.ac.il