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 }