public override bool Walk(BinaryExpression node)
{
if (base.Walk(node))
{
switch (node.Operator)
{
case PythonOperator.In:
return(Save(node.OperatorIndex, true, "in"));
case PythonOperator.NotIn:
return(Save(node.OperatorIndex, true, "not") &&
Save(node.GetIndexOfSecondOp(_ast), true, "in"));
case PythonOperator.Is:
case PythonOperator.IsNot:
return(Save(node.OperatorIndex, true, "is") &&
Save(node.GetIndexOfSecondOp(_ast), true, "not"));
}
return(true);
}
return(false);
}