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From: esink@turia.dit.upm.es (Eric Wayne Sink)
Newsgroups: comp.lang.objective-c
Subject: Re: Implementation of Objective C
Message-ID: <1991May31.080322.28944@dit.upm.es>
Date: 31 May 91 08:03:22 GMT
References: <1991May27.073640.13936@dit.upm.es> <7104@stpstn.UUCP> <1991May30.142255.27573@aio.jsc.nasa.gov>
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In article <1991May30.142255.27573@aio.jsc.nasa.gov> shirley@gothamcity.jsc.nasa.gov (Bill Shirley) writes:
>Mr Sink answered most of the questions with more knowledge than I,
>but what I am wondering is this...


Mr. Sink answered no questions at all.  Ken, from StepStone answered them.
Eric (that's me) asked them.

>
>Doesn't Objective-C have some kind of runtime environment (like
>LISP and smalltalk) ?  Doesn't this involve a little more than
>just "writing a compiler" like you would for C (or FORTRAN,
>Pascal, ...)?
>
>That's how I understood it to be, am I wrong?

I have learned that you are indeed right.  Writing the actual compiler
for Objective C is not all that hard.  The runtime system is far
hairier than I was expecting.

>     ____     ____       ____			Bill Shirley
>    / ___|   / ___|     / ___|			bill@gothamcity.jsc.nasa.gov

Eric



Eric W. Sink                     | "If no one is criticizing |Opinions
Departamento de Telematica       | your work, it is possible |mine -
Universidad Politecnica de Madrid| that you are not doing    |all of
esink@turia.dit.upm.es           | anything." -George Verwer |them.