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.annotation.target; 22 23 import proguard.classfile.*; 24 import proguard.classfile.attribute.CodeAttribute; 25 import proguard.classfile.attribute.annotation.TypeAnnotation; 26 import proguard.classfile.attribute.annotation.target.visitor.*; 27 28 /** 29 * Representation of a local variable annotation target. 30 * 31 * @author Eric Lafortune 32 */ 33 public class LocalVariableTargetInfo extends TargetInfo 34 { 35 public int u2tableLength; 36 public LocalVariableTargetElement[] table; 37 38 39 /** 40 * Creates an uninitialized LocalVariableTargetInfo. 41 */ LocalVariableTargetInfo()42 public LocalVariableTargetInfo() 43 { 44 } 45 46 47 /** 48 * Creates a partially initialized LocalVariableTargetInfo. 49 */ LocalVariableTargetInfo(byte u1targetType)50 public LocalVariableTargetInfo(byte u1targetType) 51 { 52 super(u1targetType); 53 } 54 55 56 /** 57 * Creates an initialized LocalVariableTargetInfo. 58 */ LocalVariableTargetInfo(byte u1targetType, int u2tableLength, LocalVariableTargetElement[] table)59 protected LocalVariableTargetInfo(byte u1targetType, 60 int u2tableLength, 61 LocalVariableTargetElement[] table) 62 { 63 super(u1targetType); 64 65 this.u2tableLength = u2tableLength; 66 this.table = table; 67 } 68 69 70 /** 71 * Applies the given visitor to all target elements. 72 */ targetElementsAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, LocalVariableTargetElementVisitor localVariableTargetElementVisitor)73 public void targetElementsAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, LocalVariableTargetElementVisitor localVariableTargetElementVisitor) 74 { 75 for (int index = 0; index < u2tableLength; index++) 76 { 77 // We don't need double dispatching here, since there is only one 78 // type of TypePathInfo. 79 localVariableTargetElementVisitor.visitLocalVariableTargetElement(clazz, method, codeAttribute, typeAnnotation, this, table[index]); 80 } 81 } 82 83 84 // Implementations for TargetInfo. 85 86 /** 87 * Lets the visitor visit, with Method and CodeAttribute null. 88 */ accept(Clazz clazz, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor)89 public void accept(Clazz clazz, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor) 90 { 91 targetInfoVisitor.visitLocalVariableTargetInfo(clazz, null, null, typeAnnotation, this); 92 } 93 94 accept(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor)95 public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor) 96 { 97 targetInfoVisitor.visitLocalVariableTargetInfo(clazz, method, codeAttribute, typeAnnotation, this); 98 } 99 } 100