[antlr-interest] ANTLRWorks parse tree green

Terence Parr parrt at cs.usfca.edu
Sun Oct 21 17:35:10 PDT 2007


green means backtracking that succeeded. Red means it failed.  Black  
means "with feeling" :)
Ter
On Oct 21, 2007, at 9:58 PM, Mark Volkmann wrote:

> What do the the green boxes in the parse tree drawn by ANTLRWorks
> represent? I see duplicate subtrees, one in green and another in
> black. Despite that it is generating the correct AST with no duplicate
> subtrees.
>
> -- 
> R. Mark Volkmann
> Object Computing, Inc.



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