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 */
23package 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 */
29public 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}
57