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From: Kilgallen@SpamCop.net (Larry Kilgallen)
Newsgroups: 
 comp.lang.java.advocacy,comp.object,comp.lang.ada,misc.misc,comp.software-eng
Subject: Re: Quality systems (Was: Using Ada for device drivers? (Was: the Ada
 mandate, and why it collapsed and died))
Date: 17 May 2003 04:10:20 -0500
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Xref: archiver1.google.com comp.lang.java.advocacy:63995 comp.object:63599
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Date: 2003-05-17T04:10:20-05:00
List-Id: <comp.lang.ada>

In article <ba4s5p$q92$1@hercules.btinternet.com>, "Martin Dowie" <martin.dowie@no_spam.btopenworld.com> writes:
> "soft-eng" <softeng3456@netscape.net> wrote in message
> news:9fa75d42.0305160453.29c0c4af@posting.google.com...
>> The point I have been trying to make is that Ada catches
>> a small extra subset of errors (and compared to modern C, C++
>> or Java, the "extra" might be non-existent).  Ada or not,
> 
> Nope - a while back we did a comparison using a rather well known
> study into the root causes of programming errors in 'C' (I'll reply with
> the exact reference when I get to work on Monday, if you want) Roughly
> 50% of the errors either could not occur in Ada or would be caught by the
> compiler. C++ also (almost by definition) contains the same root causes
> as 'C'.

In particular because of the ability to readily "drop into C" from
a C++ compiler.

Raise your hand if an instance of dropping into C would cause
those in a code review to prevent a project from being put into
production at your shop.

Hmmm, my terminal emulator shows no hands :-)