Method: ANTLR3::AST::Tree#root

Defined in:
lib/antlr3/tree.rb

#root ⇒ Object 



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# File 'lib/antlr3/tree.rb', line 240

def root
  cursor = self
  until cursor.root?
    yield( parent_node = cursor.parent )
    cursor = parent_node
  end
  return( cursor )
end