1b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/* 2b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ProGuard -- shrinking, optimization, obfuscation, and preverification 3b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * of Java bytecode. 4b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 52270795fbe0b277bfd49f40950ecaa78583175ccBrian Carlstrom * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) 6b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 7b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is free software; you can redistribute it and/or modify it 8b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * under the terms of the GNU General Public License as published by the Free 9b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Software Foundation; either version 2 of the License, or (at your option) 10b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * any later version. 11b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 12b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is distributed in the hope that it will be useful, but WITHOUT 13b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * more details. 16b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 17b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * You should have received a copy of the GNU General Public License along 18b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * with this program; if not, write to the Free Software Foundation, Inc., 19b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 21b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopackage proguard.classfile.attribute; 22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.*; 24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.attribute.visitor.AttributeVisitor; 25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.visitor.*; 26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/** 28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This Attribute represents an enclosing method attribute. 29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @author Eric Lafortune 31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopublic class EnclosingMethodAttribute extends Attribute 33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public int u2classIndex; 35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public int u2nameAndTypeIndex; 36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * An extra field pointing to the referenced Clazz object. 39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This field is typically filled out by the <code>{@link 40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * proguard.classfile.util.ClassReferenceInitializer 41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ClassReferenceInitializer}</code>. 42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public Clazz referencedClass; 44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * An extra field optionally pointing to the referenced Method object. 47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This field is typically filled out by the <code>{@link 48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * proguard.classfile.util.ClassReferenceInitializer 49b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ClassReferenceInitializer}</code>. 50b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 51b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public Method referencedMethod; 52b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 53b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 54b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 55b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Creates an uninitialized EnclosingMethodAttribute. 56b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 57b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public EnclosingMethodAttribute() 58b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 59b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 60b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 61b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 62b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 63b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Creates an initialized EnclosingMethodAttribute. 64b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 65b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public EnclosingMethodAttribute(int u2attributeNameIndex, 66b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato int u2classIndex, 67b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato int u2nameAndTypeIndex) 68b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 69b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato super(u2attributeNameIndex); 70b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 71b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.u2classIndex = u2classIndex; 72b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.u2nameAndTypeIndex = u2nameAndTypeIndex; 73b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 74b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 75b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 76b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 77b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Returns the class name. 78b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 79b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public String getClassName(Clazz clazz) 80b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 81b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return clazz.getClassName(u2classIndex); 82b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 83b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 84b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 85b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Returns the method/field name. 86b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 87b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public String getName(Clazz clazz) 88b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 89b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return clazz.getName(u2nameAndTypeIndex); 90b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 91b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 92b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 93b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Returns the type. 94b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 95b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public String getType(Clazz clazz) 96b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 97b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return clazz.getType(u2nameAndTypeIndex); 98b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 99b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 100b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 101b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 102b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Lets the referenced class accept the given visitor. 103b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 104b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void referencedClassAccept(ClassVisitor classVisitor) 105b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 106b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (referencedClass != null) 107b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 108b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato referencedClass.accept(classVisitor); 109b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 110b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 111b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 112b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 113b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 114b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Lets the referenced class member accept the given visitor. 115b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 116b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void referencedMethodAccept(MemberVisitor memberVisitor) 117b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 118b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (referencedMethod != null) 119b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 120b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato referencedMethod.accept(referencedClass, 121b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato memberVisitor); 122b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 123b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 124b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 125b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 126b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Implementations for Attribute. 127b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 128b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void accept(Clazz clazz, AttributeVisitor attributeVisitor) 129b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 130b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato attributeVisitor.visitEnclosingMethodAttribute(clazz, this); 131b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 132b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato} 133