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000034_icon-group-sender _Wed Sep 16 12:36:40 1998.msg
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Date: Wed, 16 Sep 1998 20:06:17 +0200 (IST)
From: Ehud Lamm <mslamm@mscc.huji.ac.il>
To: MJE <evans@gte.net>
Cc: icon-group@optima.CS.Arizona.EDU
Subject: Re: Context Switching
In-Reply-To: <35FF1A94.66F1@gte.net>
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Status: RO
On Tue, 15 Sep 1998, MJE wrote:
> The idea of "fooling" the Icon executable, and doing soin a way that is
> non-portable, assembler-based, and buggy, and that will break with every
> vendor's compiler release, is what I dislike.
>
With this I must agree. Compling for a VM is nice, because it alows you to
abstract the behaviour implicit in the language. However the
implimentation of the compiler, VM or any other component should be
implimented in a clean a way as possible. If you code it in C make it good
solid portable C.
Moreover, if Icon provides mechanisms which transcend the expressive power
of C, it is yet to be shown. Co-Expressions can be simulated with static
varibales -even though it may be hard in the recursive case. If Icon needs
a thread package - let's demand it of the underlying OS. If it requires
something weacker - let's decide what and demand that from the OS or
implimenation langauge (i.e. C).
Ehud Lamm mslamm@pluto.mscc.huji.ac.il