title: Groovy CodeVisitorSupport Call Method
body: <p>In the following gist I am walking through a closure and transforming its contents into a SQL WHERE statement based on comparison operators. It is based on Groovy's DataSet.</p>
  
  <p><a href="https://gist.github.com/mnbbrown/6190466" rel="nofollow">https://gist.github.com/mnbbrown/6190466</a></p>
  
  <p>I'm stuck with how to go about calling a groovy MethodCallExpression that is part of the closure. I need to get the method return value and append it to the where string buffer.</p>