At 08:12 2/10/2009, Kaleb Pederson wrote:
>INTEGER
> : NUMBER+;
>
>DECIMAL
> : INTEGER '.' INTEGER;
You should have a look at the wiki and the mailing list
archives. This is a fairly common problem with a fairly simple
solution:
fragment INTEGER : NUMBER+ ;
DECIMAL
: INTEGER ('.' INTEGER | { $type = INTEGER; })
;
If that doesn't work by itself, you can add a predicate to force a
two-character lookahead:
DECIMAL
: INTEGER (('.' NUMBER) => '.' INTEGER | { $type = INTEGER; })
;
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