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Node.java
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78 lines (60 loc) · 1.41 KB
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/* This file was generated by SableCC (http://www.sablecc.org/). */
package minipython.node;
import java.util.*;
import minipython.analysis.*;
public abstract class Node implements Switchable, Cloneable
{
private Node parent;
public abstract Object clone();
public Node parent()
{
return parent;
}
void parent(Node parent)
{
this.parent = parent;
}
abstract void removeChild(Node child);
abstract void replaceChild(Node oldChild, Node newChild);
public void replaceBy(Node node)
{
if(parent != null)
{
parent.replaceChild(this, node);
}
}
protected String toString(Node node)
{
if(node != null)
{
return node.toString();
}
return "";
}
protected String toString(List list)
{
StringBuffer s = new StringBuffer();
for(Iterator i = list.iterator(); i.hasNext();)
{
s.append(i.next());
}
return s.toString();
}
protected Node cloneNode(Node node)
{
if(node != null)
{
return (Node) node.clone();
}
return null;
}
protected List cloneList(List list)
{
List clone = new LinkedList();
for(Iterator i = list.iterator(); i.hasNext();)
{
clone.add(((Node) i.next()).clone());
}
return clone;
}
}