[antlr-interest] non-determinism warnings again

[Tarun Khanna]

Hi All,

I am getting a non-determinism warning between alt 1 and the exit branch.

k=1 DOT and k=2 IDENT.
I have a look-ahead of 2.

I can't think of an expression which would be ambiguous for the parser. I 
receive this warning for the secod and the third alternatives. It goes away, 
if I remove either one of them.

I would appreciate if someone could give me an example expression which the 
parser would have trouble parsing. Any help would be highly appreciated.

F
: 
NUM
|
(LPAREN e=exp RPAREN) (DOT IDENT)* (DOT TAB)?
|
IDENT (DOT IDENT)* (DOT TAB)?
|
TAB
;

-- 
Thanks and Regards,
Tarun Khanna
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