[antlr-interest] Local backtracking
Terence Parr
parrt at cs.usfca.edu
Fri Dec 14 10:50:20 PST 2007
The backtrack option should apply to all decisions in a rule...you
might try on the offending subrule, however.
( options {...} : ...)
Ter
On Dec 14, 2007, at 10:43 AM, Johannes Luber wrote:
> Hi!
>
> I'm wondering how one does determine which rules have to receive
> "options {backtrack=true;}" so the warning regarding non-LL(*)
> vanishes.
> Applying it to the marked rule alone doesn't work and making it global
> because of one rule alone I can't give a predicate (because I
> believe it
> would exclude valid token streams, too) seems too much.
>
> Johannes
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