[antlr-interest] ANTLRWorks "synpredNN_MyGrammar" labels
Terence Parr
parrt at cs.usfca.edu
Sat Nov 1 14:14:31 PDT 2008
On Nov 1, 2008, at 2:11 PM, Ben Gillis wrote:
> OK...thanks. :-)
>
> So, why are they present in some ANTLRWorks Syntax Diagrams, but not
> in others? (Exact-same grammar rules, the smaller, trimmed down
> grammars do not have them...but, beyond being the exact-same rules,
> sub-rules, etc. I don't know why/what else in the grammar would
> determine when they're displayed).
ANTLR only backtracks when it can't avoid it. Even if you specify
backtracking, ANTLR does it when it's necessary only.
T
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