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From: Alan Mackenzie <acm@muc.de>
Newsgroups: comp.theory
Subject: Re: neos Universal Compiler
Date: Wed, 19 Mar 2025 11:02:49 -0000 (UTC)
Organization: muc.de e.V.
Message-ID: <vre88p$7kb$1@news.muc.de>
References: <UX6BP.512735$Kb9a.408485@fx16.ams4> <vr3ir8$39jtg$1@dont-email.me> <3KgBP.513160$Kb9a.94584@fx16.ams4> <vr6948$1jnlo$1@dont-email.me> <KWEBP.424367$NN2a.82900@fx15.ams4> <vr8pi1$3r8lv$1@dont-email.me> <NrYBP.191725$C8m7.108955@fx11.ams4> <vrbu8h$2km30$1@dont-email.me> <S7fCP.743699$nb1.627959@fx01.ams4> <vre64b$lcu3$1@dont-email.me>
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Mikko <mikko.levanto@iki.fi> wrote:
> On 2025-03-18 14:08:50 +0000, Mr Flibble said:

>> On Tue, 18 Mar 2025 15:59:45 +0200, Mikko wrote:

[ .... ]

>>> Is there a neosBNF schema that describes the tokens of FORtRAN 66 or
>>> Algol 60?

>> Not yet.

> The definition of string literal of Algol 60 would be a good example
> of something that cannot be defined with a regular expression and is
> therefore impossible or at least complicated with an ordinary tokenizer.

Would you please be more specific about just what in an Algol 60 string
literal prevents a regexp from parsing it.  Not for any special reason,
just that I'm curious.  Maybe an example of such a string would be
interesting.  Thanks!

> -- 
> Mikko

-- 
Alan Mackenzie (Nuremberg, Germany).