/// <summary>
/// Deep copy of BoolExpr
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public static BoolExpr CreateCopy(BoolExpr other)
{
switch (other.Op)
{
case OperatorType.LEAF:
return(CreateLiteral(other.Lit));
case OperatorType.NOT:
{ // keep copy variable local to this case only
var copy = new BoolExprNegation(CreateCopy(other.Right));
copy.Right.Parent = copy;
return(copy);
}
case OperatorType.AND:
case OperatorType.OR:
case OperatorType.CONDITIONAL:
case OperatorType.BICONDITIONAL:
case OperatorType.XOR:
{ // keep copy variable local to this case only
var copy = CreateBinary(other.Op.ToString(), CreateCopy(other.Left), CreateCopy(other.Right));
copy.Left.Parent = copy;
copy.Right.Parent = copy;
return(copy);
}
default:
return(null);
}
}