On 2011/2/16 23:54, Kevin J. Cummings wrote:
> On 02/16/2011 10:38 AM, Wilbur Lang wrote:
>> moduleId
>> : TYPEREFERENCE
>> ;
>>
>> I'd do the following:
>>
>> fragment TYPEREFERENCE : ;
>>
>> CAPITALREFERENCE
>> : UPPER (UPPER | DIGIT | LOWER { $type=TYPEREFERENCE; })*
>> (HYPHEN (UPPER | DIGIT | LOWER { $type=TYPEREFERENCE; })+ )*
>> ;
>>
>> That way you'll only change the token type to TYPEREFERENCE if 1 or more
>> LOWER characters are found....
Thanks Kevin.
I rechecked the grammar, it not a context-free one, and it's impossible
to disambiguate 'T3' is a CAPTIALREFERENCE or TYPEREFERENCE. Maybe I
should check the 'semantic predicated'.
Wilbur Lang
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