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From: Richard Heathfield <rjh@cpax.org.uk>
Newsgroups: comp.theory
Subject: Re: neos Universal Compiler and FORTRAN IV
Date: Sun, 30 Mar 2025 10:39:20 +0100
Organization: Fix this later
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On 30/03/2025 09:57, Mikko wrote:
> 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.
Yes, but does it halt?

-- 
Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
Sig line 4 vacant - apply within