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/*
* Javassist, a Java-bytecode translator toolkit.
* Copyright (C) 1999-2003 Shigeru Chiba. All Rights Reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. Alternatively, the contents of this file may be used under
* the terms of the GNU Lesser General Public License Version 2.1 or later.
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*/
package javassist.compiler.ast;
import javassist.compiler.CompileError;
/**
* A node of a a binary tree. This class provides concrete methods
* overriding abstract methods in ASTree.
*/
public class Pair extends ASTree {
protected ASTree left, right;
public Pair(ASTree _left, ASTree _right) {
left = _left;
right = _right;
}
public void accept(Visitor v) throws CompileError { v.atPair(this); }
public String toString() {
StringBuffer sbuf = new StringBuffer();
sbuf.append("(<Pair> ");
sbuf.append(left == null ? "<null>" : left.toString());
sbuf.append(" . ");
sbuf.append(right == null ? "<null>" : right.toString());
sbuf.append(')');
return sbuf.toString();
}
public ASTree getLeft() { return left; }
public ASTree getRight() { return right; }
public void setLeft(ASTree _left) { left = _left; }
public void setRight(ASTree _right) { right = _right; }
}
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