comp.lang.ada
 help / color / mirror / Atom feed
From: "Frank J. Lhota" <flhota@NOSPAM.ll.mit.edu>
Subject: Re: lexical ambiguity
Date: Mon, 05 Jun 2006 14:30:39 -0400
Date: 2006-06-05T14:30:39-04:00	[thread overview]
Message-ID: <9M_gg.1598$O5.554@llslave.llan.ll.mit.edu> (raw)
In-Reply-To: <nULgg.1005626$xm3.320354@attbi_s21>

Jeffrey R. Carter wrote:
> Yes, but it's good to be precise.

Absolutely! I should have said "qualified expression" in my original 
post. Sorry for any confusion that I may have caused.

>>     Foo'(',',',',',' ... ) 
> 
> Clearly you have an evil mind :)

Well, there is a good reason to consider this worst case scenario. I 
have seen quick and dirty Ada lexers that try to determine if a single 
quote starts a character literal by looking ahead 2 character. As this 
scenario shows, this approach is not guaranteed to work.




  reply	other threads:[~2006-06-05 18:30 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-02 22:13 lexical ambiguity bla_bla1357
2006-06-02 22:35 ` Frank J. Lhota
2006-06-03  5:20   ` Jeffrey R. Carter
2006-06-04 17:33     ` Frank J. Lhota
2006-06-05  1:36       ` Jeffrey R. Carter
2006-06-05 18:30         ` Frank J. Lhota [this message]
2006-06-05 20:27           ` Keith Thompson
2006-06-05 22:11             ` Jeffrey R. Carter
2006-06-06 10:39               ` Georg Bauhaus
2006-06-06 11:38                 ` M E Leypold
2006-06-07  9:02                   ` Dmitry A. Kazakov
2006-06-07 13:15                   ` Georg Bauhaus
2006-06-07 14:49                   ` Robert A Duff
2006-06-07 17:18                     ` M E Leypold
2006-06-08 21:30                       ` Robert A Duff
2006-06-09  4:41                       ` Jeffrey R. Carter
2006-06-09  8:23                       ` Georg Bauhaus
2006-06-06 13:50                 ` Simon Clubley
2006-06-06 18:56                 ` Peter C. Chapin
2006-06-06 19:41                   ` Georg Bauhaus
2006-06-05 22:16           ` Jeffrey R. Carter
2006-06-06 13:20             ` Frank J. Lhota
2006-06-02 23:27 ` Keith Thompson
replies disabled

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox