Sun, 4 May 1997 19:00:35 +0200 (MET DST)
> Wouldn't it make more sense to allow C object code to be loaded into
> the Lisp environment ?
That's simpler indeed if you run an unsafe environment
on top of an unsafe OS,
but if you want a safe standalone LISP system,
not only is it not simpler, but it is crazy.
[It means you'll have to reimplement a unixish environment,
which is precisely what we want to get rid of].
On the contrary, semantic-based program manipulation
allows for full recycling of C code into full LISP objects,
and its generalization, optimization, adaptation to architectures
that don't fit the C model (such as clusters of MISC),
while preserving (and debugging and extending)
the semantics of the original program.
The first is expedient, the second is useful.
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