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From: Mikko <mikko.levanto@iki.fi>
Newsgroups: comp.theory
Subject: Re: neos Universal Compiler and FORTRAN IV
Date: Sun, 30 Mar 2025 11:57:15 +0300
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On 2025-03-29 10:11:13 +0000, Richard Heathfield said:

> On 29/03/2025 09:51, Mikko wrote:
>> On 2025-03-28 14:14:10 +0000, Mr Flibble said:
>> 
> <snip>
>>> 
>>> If a native FORTRAN IV compiler can parse it then neos can parse it as 
>>> long as it is somehow expressable in the neos
>>> attribute grammar.
>> 
>> If you don't know how to express it in the neos attribute
>> grammar then nobody knows and neos is not universal, at lieast
>> in the practical sense.
> 
> You don't understand, Mikko. You probably think that "neos can parse 
> it" means that neos can parse it. What it really means is that /in Mr 
> Flibble's head/ neos can parse it, and anything in Mr Flibble's head is 
> right by definition, and /therefore/ neos can parse FORTRAN IV even if 
> it can't.

I can understand that but that is not interesting. But the question whether
it is easier to use neos as universal compiler than a web browser is
interesting. A web browser certainly can compile any programming language
that can be compiled if it is given a script (HTML+javascript) that defines
the source and target languages.

-- 
Mikko