1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.vm.ci.code.site; 24 25 /** 26 * Represents exception handler information for a specific code position. It includes the catch code 27 * position as well as the caught exception type. 28 */ 29 public final class ExceptionHandler extends Site { 30 31 public final int handlerPos; 32 33 public ExceptionHandler(int pcOffset, int handlerPos) { 34 super(pcOffset); 35 this.handlerPos = handlerPos; 36 } 37 38 @Override 39 public String toString() { 40 return String.format("%d[<exception edge to %d>]", pcOffset, handlerPos); 41 } 42 43 @Override 44 public boolean equals(Object obj) { 45 if (this == obj) { 46 return true; 47 } 48 if (obj instanceof ExceptionHandler) { 49 ExceptionHandler that = (ExceptionHandler) obj; 50 if (this.pcOffset == that.pcOffset && this.handlerPos == that.handlerPos) { 51 return true; 52 } 53 } 54 return false; 55 } 56 }