/// <summary>
/// Normalizes the cases. Sets the default case based on the number of cases.
/// </summary>
private void NormalizeCases()
{
if (this.caseList.Length % 2 == 1)
{
// odd number of cases, the last one is the default case
this.defaultCase = this.caseList.Items.Last.Value;
this.caseList.Items.RemoveLast();
}
else
{
// there is no default case, add a Null (by definition) as default
this.defaultCase = Node.NullConstant();
}
}
/// <summary>
/// Builds an <see cref="If">if-else</see> node, with a ANull as false case.
/// </summary>
/// <param name="expression">The expression for the node.</param>
/// <param name="trueCase">The true case of the node.</param>
/// <returns>Returns a <see cref="If">if</see> node, with a ANull as false case.</returns>
public static If If(Node expression, Node trueCase)
{
return(new If(expression, trueCase, Node.NullConstant()));
}
