package kernel;
/**
*函數類節點的基類
*/
abstract public class Function  extends Program
{

    public Object DeepClone()   //對子樹進行深度拷貝，返回拷貝對象。這是用于以后的樹操作
    {
	    Function temp = null;
	    try 
        {
	        temp = (Function)getClass().newInstance();  //拷貝當前對象
	        for (int i = 0; i < SubItems.length; i++)        //拷貝子節點對象
            {
                temp.SubItems[i] = (Program)SubItems[i].DeepClone();
            }
	    } 
        catch (Exception e) 
        {
            e.printStackTrace();		
        }
	    return temp;
    } 

    

    //計算節點數量
    public int countNodes(boolean OnlyFunction) 
    {
        int count = 1;
	    for (int a = 0; a < SubItems.length; a++) 
        {
	        count = count + SubItems[a].countNodes(OnlyFunction);
	    }
	    return count;
    }
}