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