1 /* 2 * Javassist, a Java-bytecode translator toolkit. 3 * Copyright (C) 1999-2007 Shigeru Chiba. All Rights Reserved. 4 * 5 * The contents of this file are subject to the Mozilla Public License Version 6 * 1.1 (the "License"); you may not use this file except in compliance with 7 * the License. Alternatively, the contents of this file may be used under 8 * the terms of the GNU Lesser General Public License Version 2.1 or later. 9 * 10 * Software distributed under the License is distributed on an "AS IS" basis, 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 12 * for the specific language governing rights and limitations under the 13 * License. 14 */ 15 16 package javassist.compiler.ast; 17 18 import javassist.compiler.CompileError; 19 20 /** 21 * A node of a a binary tree. This class provides concrete methods 22 * overriding abstract methods in ASTree. 23 */ 24 public class Pair extends ASTree { 25 protected ASTree left, right; 26 27 public Pair(ASTree _left, ASTree _right) { 28 left = _left; 29 right = _right; 30 } 31 32 public void accept(Visitor v) throws CompileError { v.atPair(this); } 33 34 public String toString() { 35 StringBuffer sbuf = new StringBuffer(); 36 sbuf.append("(<Pair> "); 37 sbuf.append(left == null ? "<null>" : left.toString()); 38 sbuf.append(" . "); 39 sbuf.append(right == null ? "<null>" : right.toString()); 40 sbuf.append(')'); 41 return sbuf.toString(); 42 } 43 44 public ASTree getLeft() { return left; } 45 46 public ASTree getRight() { return right; } 47 48 public void setLeft(ASTree _left) { left = _left; } 49 50 public void setRight(ASTree _right) { right = _right; } 51 } 52
