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1
2
3 package org.sablecc.sablecc.syntax3.node;
4
5 import java.util.*;
6
7 @SuppressWarnings  ("nls")
8 public abstract class Node implements Switchable, Cloneable
9 {
10 private Node parent;
11
12 @Override
13 public abstract Object clone();
14
15 public Node parent()
16 {
17 return this.parent;
18 }
19
20 void parent(@SuppressWarnings ("hiding") Node parent)
21 {
22 this.parent = parent;
23 }
24
25 abstract void removeChild(Node child);
26 abstract void replaceChild(Node oldChild, Node newChild);
27
28 public void replaceBy(Node node)
29 {
30 this.parent.replaceChild(this, node);
31 }
32
33 protected String toString(Node node)
34 {
35 if(node != null)
36 {
37 return node.toString();
38 }
39
40 return "";
41 }
42
43 protected String toString(List list)
44 {
45 StringBuffer s = new StringBuffer ();
46
47 for(Iterator i = list.iterator(); i.hasNext();)
48 {
49 s.append(i.next());
50 }
51
52 return s.toString();
53 }
54
55 @SuppressWarnings ("unchecked")
56 protected <T extends Node> T cloneNode(T node)
57 {
58 if(node != null)
59 {
60 return (T) node.clone();
61 }
62
63 return null;
64 }
65
66 protected <T> List<T> cloneList(List<T> list)
67 {
68 List<T> clone = new LinkedList<T>();
69
70 for(T n : list)
71 {
72 clone.add(n);
73 }
74
75 return clone;
76 }
77 }
78 |
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