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From Torsten Curdt <tcu...@apache.org>
Subject Re: JavaCC generated parser for Harmony...
Date Tue, 26 Jun 2007 18:07:04 GMT

On 26.06.2007, at 19:52, Tim Ellison wrote:

> Justin Erenkrantz wrote:
>> On 6/26/07, Tim Ellison <t.p.ellison@gmail.com> wrote:
>>> Depending upon the opinion we get here... the actual grammar would
>>> reside outside Harmony, but the generated parser code would be
>>> distributed as part of the Harmony product.
>>>
>>> Harmony has a number of dependencies on third-party works maintained
>>> outside the project (not under LGPL I hasten to add).
>>
>> Unless the person who wrote the grammar specifically says that the
>> produced parser code is in the public domain or is licensable under
>> the ALv2, then Harmony should not be distributing such parser code.
>> IOW, the produced parser code is a derivative work of the grammar, so
>> whatever license terms apply to the grammar should be assumed to be
>> applied to the parser code.  Yes, this is a conservative
>> interpretation, but I feel the safest one.  -- justin
>
> I agree.  AFAIK no such statement has been made by the author of the
> grammar, so we will not use that source file at all.
>
> Thanks for everyone's opinion.  It was worth asking before  
> embarking on
> what will be a non-trivial piece of work.
>
> If anyone knows of a suitably licensed parser for Rich Text Format
> please drop by the Harmony dev list.

Maybe worth checking on the antlr list. They aggregated a bunch of  
grammars already. Cannot see RTF in there yet though. Still maybe  
worth a try.

  http://antlr.org/grammar/list

cheers
--
Torsten



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