[antlr-interest] Removing nil nodes from tree

Todd Nine tnine at apigee.com
Fri Mar 16 22:38:51 PDT 2012

Hi all,
  I now have my AST generating node classes for my tree.  However, I have
one final issue.  nil nodes are included in my tree after parsing is
complete.  They appear in trees due to operator precedence.  Is it possible
to remove nil nodes as the tree is generated?


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