1 /*** 2 * ASM: a very small and fast Java bytecode manipulation framework 3 * Copyright (c) 2000-2005 INRIA, France Telecom 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 package org.objectweb.asm.tree; 31 32 import org.objectweb.asm.Label; 33 import org.objectweb.asm.MethodVisitor; 34 35 /** 36 * A node that represents a try catch block. 37 * 38 * @author Eric Bruneton 39 */ 40 public class TryCatchBlockNode { 41 42 /** 43 * Beginning of the exception handler's scope (inclusive). 44 */ 45 public Label start; 46 47 /** 48 * End of the exception handler's scope (exclusive). 49 */ 50 public Label end; 51 52 /** 53 * Beginning of the exception handler's code. 54 */ 55 public Label handler; 56 57 /** 58 * Internal name of the type of exceptions handled by the handler. May be 59 * <tt>null</tt> to catch any exceptions (for "finally" blocks). 60 */ 61 public String type; 62 63 /** 64 * Constructs a new {@link TryCatchBlockNode}. 65 * 66 * @param start beginning of the exception handler's scope (inclusive). 67 * @param end end of the exception handler's scope (exclusive). 68 * @param handler beginning of the exception handler's code. 69 * @param type internal name of the type of exceptions handled by the 70 * handler, or <tt>null</tt> to catch any exceptions (for "finally" 71 * blocks). 72 */ TryCatchBlockNode( final Label start, final Label end, final Label handler, final String type)73 public TryCatchBlockNode( 74 final Label start, 75 final Label end, 76 final Label handler, 77 final String type) 78 { 79 this.start = start; 80 this.end = end; 81 this.handler = handler; 82 this.type = type; 83 } 84 85 /** 86 * Makes the given visitor visit this try catch block. 87 * 88 * @param mv a method visitor. 89 */ accept(final MethodVisitor mv)90 public void accept(final MethodVisitor mv) { 91 mv.visitTryCatchBlock(start, end, handler, type); 92 } 93 } 94