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From: kaz@vision.crest.nt.com (Kaz Kylheku)
Subject: Re: Any research putting c above ada?
Date: 1997/04/14
Message-ID: <5itlph$1k9@bcrkh13.bnr.ca>#1/1
X-Deja-AN: 234784385
References: <5ih6i9$oct$1@waldorf.csc.calpoly.edu> <33508283.56DD@aonix.com>
 <3373409f.494266577@news.pacificnet.net> <5is19p$g3i@flood.weeg.uiowa.edu>
Organization: Prism Systems Inc.
Newsgroups: comp.lang.c++,comp.lang.c,comp.lang.ada
Date: 1997-04-14T00:00:00+00:00
List-Id: <comp.lang.ada>


In article <5is19p$g3i@flood.weeg.uiowa.edu>,
Robert S. White <WhiteR@CRPL.Cedar-Rapids.lib.IA.US> wrote:
>In article <3373409f.494266577@news.pacificnet.net>, Kevin@Quitt.net says...
>>But any language that does
>>not allow me to override the safety features is not useful.  Any system
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>that does not let the programmer take responsibility for bypassing the
>>safes is *wrong*.
>
>   But every Ada compiler that I have used DOES let us deliberately 
>turn off the run time checks!  So what is your point here?  We leave

So every C compiler I have used lets me ignore compiler time diagnostics
that don't lead to translation failure.  I think Kevin was talking about
static safety features, though, and language features that let you override
these features (rather than compiler options).

>the checks on during unit level tests and early integration tests.  

Such tests often don't have full coverage. A good language would force the
run-time checks to remain in the production code. Or are you saying that safety
should take a back seat to speed when it comes time to ship the code? Maybe Ada
programmers are not that different from other programmers after all.

>Then the project librarian/project engineer can choose to turn checks
>off on the high rate realtime tasks if the through-put benefits are
>required.

Ah I see. ``The code is too slow! Checking be damned''.  :)