[antlr-interest] Duplicate nodes on a parse tree
Terence Parr
parrt at cs.usfca.edu
Fri Jun 22 17:06:54 PDT 2007
On Jun 23, 2007, at 2:46 AM, Markus Kuhla wrote:
> Morning,
>
> I passed the parser to the ParseTreeBuilder constructor. In the
> methods of this class where child nodes are added, I checked
> parser.getBacktrackingLevel(). It always returned 0 (I don't use
> the explicit option backtrack in the grammar).
>
> Any further hints?
yes. you're done. ;) If no backtracking, then none is invoked in
parser.
Ter
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