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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Interesting article on ARG work
Date: Sun, 8 Apr 2018 22:09:53 +0200
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Xref: reader02.eternal-september.org comp.lang.ada:51403
Date: 2018-04-08T22:09:53+02:00
List-Id: <comp.lang.ada>

On 2018-04-08 21:48, Dan'l Miller wrote:
> On Sunday, April 8, 2018 at 2:46:15 AM UTC-5, Dmitry A. Kazakov wrote:
>>      if Foo then
>> @     Bar;
>> @  end if;
>> @  if Boo then
>>         Baz;
>>      end if;
>>
>> would not be legal either.
> 
> Where ␠ is the ASCII/ISO646 space character (presented as a graphical character for visualization herein),
> 
>      if Foo then
> ␠     Bar;
> ␠  end if;
> ␠  if Boo then
>         Baz;
>      end if;
> 
> and
> 
>      if Foo then
> --     Bar;
> --  end if;
> --  if Boo then
>         Baz;
>      end if;
> 
> both are legal Ada statements, spurious and non sequitur evocations of the ARM notwithstanding.
> 
> In general, Dmitry, you seem to not understand that a generalized left-right (GLR) parser would parse both sides of the @ concurrently.  Your entire premise is that it is impossible to parse both presence and absence of @ at the same time.  In GLR, you are incorrect.

No, I don't understand what are you trying to say or how is it related 
to the issue discussed.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de