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From: fred@genesis.demon.co.uk (Lawrence Kirby)
Subject: Re: Ada to C/C++ translator needed
Date: 1996/10/05
Date: 1996-10-05T00:00:00+00:00	[thread overview]
Message-ID: <844550221snz@genesis.demon.co.uk> (raw)
In-Reply-To: 52t8da$2ej@goanna.cs.rmit.edu.au


In article <52t8da$2ej@goanna.cs.rmit.edu.au>
           ok@goanna.cs.rmit.edu.au "Richard A. O'Keefe" writes:

>seebs@solutions.solon.com (Peter Seebach) writes:
>
>>(However, if you're discussing SparcWorks C, you've failed to establish
>>that it's a C compiler.  A C compiler *MUST* diagnose the line
>>       static int i = 1 ? 1 : (++j);
>>as a constraint violation, but at least the version we have doesn't, even
>>in "maximally conforming ANSI mode".  Clearly, it is not a C compiler.)
>
>"gub.c", line 1: undefined symbol: j
>
>Looks like an error message to me.
>Oh, you wanted something _else_ in the program?
>
>Fair enough, given an appropriate declaration for j,
>this line gets through
>
>        SPARCompiler C, even with "-erroff=%none"
>        SPARCompiler Lint
>        LCLint          (shock horror; I have reported this as a bug)
>        lcc             (*published* as a C compiler!)
>                        (I have reported this as a bug too)
>        gcc -ansi -pedantic     (I'll let you report this one, seebs)
>
>Evidently, by your argument, I haven't _got_ any C compilers to test!

Possibly, but you haven't proved it. You have to consider 6.4:

"An implementation may accept other forms of constant expression"

However I would certainly expect a lint to flag it as non-portable.

-- 
-----------------------------------------
Lawrence Kirby | fred@genesis.demon.co.uk
Wilts, England | 70734.126@compuserve.com
-----------------------------------------




  reply	other threads:[~1996-10-05  0:00 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1996-09-25  0:00 Ada to C/C++ translator needed Emmanuel Champommier
1996-09-25  0:00 ` David Weller
1996-10-02  0:00   ` B|rje Norden
1996-10-04  0:00     ` David Weller
1996-10-05  0:00     ` Robert Dewar
1996-10-05  0:00       ` Frank Manning
1996-10-06  0:00         ` Samuel Tardieu
1996-10-07  0:00           ` Richard Kenner
1996-10-07  0:00             ` Robert Dewar
1996-10-08  0:00             ` Stephen Leake
1996-10-07  0:00         ` Robert Dewar
1996-10-08  0:00           ` Frank Manning
1996-10-07  0:00   ` Erik Magnuson
1996-09-26  0:00 ` Ian Ward
1996-10-02  0:00   ` Jon S Anthony
1996-10-02  0:00   ` Jon S Anthony
     [not found]   ` <52feul$os2@goanna.cs.rmit.edu.au>
1996-09-28  0:00     ` Tim Behrendsen
1996-09-29  0:00       ` Ken Pizzini
1996-09-29  0:00         ` Tim Behrendsen
1996-09-29  0:00           ` Robert Dewar
1996-09-30  0:00             ` Tim Behrendsen
1996-09-30  0:00               ` Matthew Heaney
1996-09-30  0:00                 ` Tim Behrendsen
1996-09-30  0:00               ` William Clodius
1996-10-01  0:00               ` Richard A. O'Keefe
1996-09-30  0:00           ` Richard A. O'Keefe
1996-09-30  0:00             ` Tim Behrendsen
1996-09-30  0:00       ` Richard A. O'Keefe
1996-09-30  0:00         ` Tim Behrendsen
1996-09-30  0:00           ` Peter Seebach
1996-09-30  0:00             ` Tim Behrendsen
1996-10-01  0:00           ` Richard A. O'Keefe
1996-10-01  0:00             ` Tim Behrendsen
1996-10-02  0:00               ` Ian Ward
1996-10-02  0:00                 ` Tim Behrendsen
1996-09-30  0:00         ` Peter Seebach
1996-10-02  0:00           ` Richard A. O'Keefe
1996-10-05  0:00             ` Lawrence Kirby [this message]
1996-10-06  0:00     ` Tanmoy Bhattacharya
1996-10-06  0:00       ` Lawrence Kirby
1996-10-08  0:00         ` Peter Seebach
1996-10-07  0:00     ` Tanmoy Bhattacharya
  -- strict thread matches above, loose matches on Subject: below --
1996-10-02  0:00 Simon Johnston
1996-10-07  0:00 ` Richard Riehle
1996-10-09  0:00   ` Richard A. O'Keefe
1996-10-15  0:00     ` Tucker Taft
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