private ExpressionTree _CopyTree()
{
if (IsLeaf())
{
return(new ExpressionTree(Data, null, null, null, Root));
}
return(new ExpressionTree(Data, null, LChild._CopyTree(), RChild?._CopyTree()));
}
private ExpressionTree _CopyTree()
{
var cl = new Cloner();
if (IsLeaf())
{
return(new ExpressionTree(cl.CloneExpr(Data), null, null, null, Root));
}
return(new ExpressionTree(cl.CloneExpr(Data), null, LChild._CopyTree(), RChild?._CopyTree()));
}
/**
* Create a deep copy of the entire tree, and return the copy of the called node
*
* */
public ExpressionTree Copy()
{
Contract.Ensures(Contract.Result <ExpressionTree>() != null);
if (Root == null)
{
SetRoot();
}
var et = Root?._CopyTree();
et.SetParent();
et.SetRoot();
return(!et.IsLeaf() ? et.FindNode(this) : et);
}