1/* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2009 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 */ 21package proguard.optimize.info; 22 23import proguard.classfile.*; 24import proguard.classfile.util.SimplifiedVisitor; 25import proguard.classfile.visitor.MemberVisitor; 26 27/** 28 * This MemberVisitor marks all classes that contain visited package visible 29 * members. 30 * 31 * @author Eric Lafortune 32 */ 33public class PackageVisibleMemberContainingClassMarker 34extends SimplifiedVisitor 35implements MemberVisitor 36{ 37 // Implementations for MemberVisitor. 38 39 public void visitAnyMember(Clazz clazz, Member member) 40 { 41 if ((member.getAccessFlags() & 42 (ClassConstants.INTERNAL_ACC_PRIVATE | 43 ClassConstants.INTERNAL_ACC_PUBLIC)) == 0) 44 { 45 setPackageVisibleMembers(clazz); 46 } 47 } 48 49 50 // Small utility methods. 51 52 private static void setPackageVisibleMembers(Clazz clazz) 53 { 54 ClassOptimizationInfo info = ClassOptimizationInfo.getClassOptimizationInfo(clazz); 55 if (info != null) 56 { 57 info.setContainsPackageVisibleMembers(); 58 } 59 } 60 61 62 public static boolean containsPackageVisibleMembers(Clazz clazz) 63 { 64 ClassOptimizationInfo info = ClassOptimizationInfo.getClassOptimizationInfo(clazz); 65 return info == null || info.containsPackageVisibleMembers(); 66 } 67}