1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Oracle designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Oracle in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 /* 26 * This file is available under and governed by the GNU General Public 27 * License version 2 only, as published by the Free Software Foundation. 28 * However, the following notice accompanied the original version of this 29 * file: 30 * 31 * ASM: a very small and fast Java bytecode manipulation framework 32 * Copyright (c) 2000-2011 INRIA, France Telecom 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 3. Neither the name of the copyright holders nor the names of its 44 * contributors may be used to endorse or promote products derived from 45 * this software without specific prior written permission. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 57 * THE POSSIBILITY OF SUCH DAMAGE. 58 */ 59 package jdk.internal.org.objectweb.asm.tree; 60 61 import jdk.internal.org.objectweb.asm.MethodVisitor; 62 63 /** 64 * A node that represents a try catch block. 65 * 66 * @author Eric Bruneton 67 */ 68 public class TryCatchBlockNode { 69 70 /** 71 * Beginning of the exception handler's scope (inclusive). 72 */ 73 public LabelNode start; 74 75 /** 76 * End of the exception handler's scope (exclusive). 77 */ 78 public LabelNode end; 79 80 /** 81 * Beginning of the exception handler's code. 82 */ 83 public LabelNode handler; 84 85 /** 86 * Internal name of the type of exceptions handled by the handler. May be 87 * <tt>null</tt> to catch any exceptions (for "finally" blocks). 88 */ 89 public String type; 90 91 /** 92 * Constructs a new {@link TryCatchBlockNode}. 93 * 94 * @param start beginning of the exception handler's scope (inclusive). 95 * @param end end of the exception handler's scope (exclusive). 96 * @param handler beginning of the exception handler's code. 97 * @param type internal name of the type of exceptions handled by the 98 * handler, or <tt>null</tt> to catch any exceptions (for "finally" 99 * blocks). 100 */ 101 public TryCatchBlockNode( 102 final LabelNode start, 103 final LabelNode end, 104 final LabelNode handler, 105 final String type) 106 { 107 this.start = start; 108 this.end = end; 109 this.handler = handler; 110 this.type = type; 111 } 112 113 /** 114 * Makes the given visitor visit this try catch block. 115 * 116 * @param mv a method visitor. 117 */ 118 public void accept(final MethodVisitor mv) { 119 mv.visitTryCatchBlock(start.getLabel(), end.getLabel(), handler == null 120 ? null 121 : handler.getLabel(), type); 122 } 123 }