1 /* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the Free 9 * Software Foundation; either version 2 of the License, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 package proguard.classfile.attribute; 22 23 import proguard.classfile.*; 24 import proguard.classfile.attribute.visitor.AttributeVisitor; 25 import proguard.classfile.constant.visitor.ConstantVisitor; 26 27 /** 28 * This Attribute represents an exceptions attribute. 29 * 30 * @author Eric Lafortune 31 */ 32 public class ExceptionsAttribute extends Attribute 33 { 34 public int u2exceptionIndexTableLength; 35 public int[] u2exceptionIndexTable; 36 37 38 /** 39 * Creates an uninitialized ExceptionsAttribute. 40 */ ExceptionsAttribute()41 public ExceptionsAttribute() 42 { 43 } 44 45 46 /** 47 * Creates an initialized ExceptionsAttribute. 48 */ ExceptionsAttribute(int u2attributeNameIndex, int u2exceptionIndexTableLength, int[] u2exceptionIndexTable)49 public ExceptionsAttribute(int u2attributeNameIndex, 50 int u2exceptionIndexTableLength, 51 int[] u2exceptionIndexTable) 52 { 53 super(u2attributeNameIndex); 54 55 this.u2exceptionIndexTableLength = u2exceptionIndexTableLength; 56 this.u2exceptionIndexTable = u2exceptionIndexTable; 57 } 58 59 60 // Implementations for Attribute. 61 accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor)62 public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor) 63 { 64 attributeVisitor.visitExceptionsAttribute(clazz, method, this); 65 } 66 67 68 /** 69 * Applies the given constant pool visitor to all exception class pool info 70 * entries. 71 */ exceptionEntriesAccept(Clazz clazz, ConstantVisitor constantVisitor)72 public void exceptionEntriesAccept(Clazz clazz, ConstantVisitor constantVisitor) 73 { 74 for (int index = 0; index < u2exceptionIndexTableLength; index++) 75 { 76 clazz.constantPoolEntryAccept(u2exceptionIndexTable[index], 77 constantVisitor); 78 } 79 } 80 } 81