[antlr-interest] issue with antlr requiring a whitespace at a specific place

[Bart Kiers]

Hi Olivier,

I can't reproduce it. I tested with ANTLRWorks 1.4.2 as well.
See the attached screenshot.

Regards,

Bart.


On Wed, Jun 8, 2011 at 11:23 AM, Olivier Sallou <olivier.sallou at irisa.fr>wrote:

> Hi,
> I have an issue with antlrworks (1.4.2), where for a specific grammar,
> it requires a whitespace.
> I upgraded from antlrworks 1.1.7 where the same did not asked for the
> whitespace.
>
> example:
>        '?' string
>        | '%' string ':' percentage=INT
>        | ...
>
> string    : '"' LOWID '"';
> LOWID    : ('a'..'z'|'\-')+;
> INT :   ('0'..'9')+ ;
>
> If I call my example rules with:
>  ?\"acgt\"
> it works fine
> but if I call
>  %\"acgt\":30
>
> If fails.
>
> At least if I add a whitespace between % and \"acgt\", it works:
>  % \"acgt\":30
>
> I really can't understand why a whitespace is required here, and only
> here....
>
> Thanks for your help
>
> Olivier
>
>
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