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From: "stephen.freeman9" <stephen.freeman9@ntlworld.com>
Newsgroups: comp.lang.ada
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Subject: Re: Standard Ada Preprocessor
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Date: Tue, 10 Feb 2004 11:18:33 -0000
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Date: 2004-02-10T11:18:33+00:00
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This argument about C (and D) is very interesting - I have been working on
Safety related work (Uk Defstan SIL 3/ Sil 4 software and  DO178b level a)
for flying aircraft.  We use Ada (Spark Ada at that) to develop code.
However the world in general knows C not Ada.  D helps to strengthen C as
does Misra (see Misra 2 for latest invocation)  but as said - what is
lacking is definition of ranges (and strong typing) . A possible solution
I'm working on is "E" for want of a more novel name.  This should look like
C but ask the programmer to define typedef's for each logically different
type s/he is using and as a comment specify the ranges that that is valid
for.  It then needs a pre-processor to parse that to check for
inconsistancies. (perhaps convert it to Ada?)


"Frank J. Lhota" <NOSPAM.lhota.adarose@verizon.net> wrote in message
news:sWxSb.74$bn1.6@nwrdny02.gnilink.net...
> > Fair enough. I hear that ostrich meat is tasty ;-)
>
> ... and low in fat.
>
>