public bool AppliesTo(ParseTreeNode parseTreeNode)
{
return(parseTreeNode.Term.Name == "binExpr" &&
(parseTreeNode.ChildNodes.ElementAt(1).Term.Name == "binOp" &&
parseTreeNode.ChildNodes.ElementAt(1).ChildNodes.ElementAt(0).Token.Value as string == operation) &&
((operand1.AppliesTo(parseTreeNode.ChildNodes.ElementAt(0)) &&
operand2.AppliesTo(parseTreeNode.ChildNodes.ElementAt(2))) ||
(operand1.AppliesTo(parseTreeNode.ChildNodes.ElementAt(2)) &&
operand2.AppliesTo(parseTreeNode.ChildNodes.ElementAt(0)))));
}
public bool AppliesTo(ParseTreeNode parseTreeNode)
{
return(parseTreeNode.ChildNodes.ElementAt(0).Term.Name == "WHERE" &&
_expression.AppliesTo(parseTreeNode.ChildNodes.ElementAt(1)));
}