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From: mfeldman@seas.gwu.edu (Michael Feldman)
Subject: Re: I just found that funny...
Date: 1996/04/06
Message-ID: <4k6lgc$288@felix.seas.gwu.edu>#1/1
X-Deja-AN: 146137244
references: <199604051600.SAA07609@email.enst.fr> <dewar.828788858@schonberg>
organization: George Washington University
newsgroups: comp.lang.ada
Date: 1996-04-06T00:00:00+00:00
List-Id: <comp.lang.ada>

In article <dewar.828788858@schonberg>, Robert Dewar <dewar@cs.nyu.edu> wrote:

>Incidentally, this is a nice example on which to demontstrate an interesting
>little bit of error handling stuff in GNAT:

[snip]

>Note that GNAT guesses by your casing whether you intended to write
>an identifier or keyword. Of course it only pays attention to case *if*

>Just in case you are Mike Feldman (:-) or someone else who likes to use
>some different casing convention:
>
>     2. FUNCTION Last_Day (Of : Months) RETURN Date;
>                           |
>        >>> reserved word "OF" cannot be used as identifier
>
>     2. FUNCTION Last_Day (OF : Months) RETURN Date;
>                           |
>        >>> identifier expected

Now, now, Robert. Careful readers of the notorious programs you referred
to, with their upper-cased RESERVED WORDS, would know that the FUNCTION
would also be named

    LastDay

:-)

On a more serious note, GNAT's "learning" the lexical style of
the programmer, and using it to make better guesses at errors, is
extremely clever.

Mike Feldman