1/* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2013 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.Clazz; 24 25/** 26 * This class stores some optimization information that can be attached to 27 * a class. 28 * 29 * @author Eric Lafortune 30 */ 31public class ClassOptimizationInfo 32{ 33 private boolean isInstantiated = false; 34 private boolean isInstanceofed = false; 35 private boolean isDotClassed = false; 36 private boolean isCaught = false; 37 private boolean containsStaticInitializer = false; 38 private boolean containsPackageVisibleMembers = false; 39 private boolean invokesPackageVisibleMembers = false; 40 private Clazz targetClass; 41 42 43 public void setInstantiated() 44 { 45 isInstantiated = true; 46 } 47 48 49 public boolean isInstantiated() 50 { 51 return isInstantiated; 52 } 53 54 55 public void setInstanceofed() 56 { 57 isInstanceofed = true; 58 } 59 60 61 public boolean isInstanceofed() 62 { 63 return isInstanceofed; 64 } 65 66 67 public void setDotClassed() 68 { 69 isDotClassed = true; 70 } 71 72 73 public boolean isDotClassed() 74 { 75 return isDotClassed; 76 } 77 78 79 public void setCaught() 80 { 81 isCaught = true; 82 } 83 84 85 public boolean isCaught() 86 { 87 return isCaught; 88 } 89 90 91 public void setContainsStaticInitializer() 92 { 93 containsStaticInitializer = true; 94 } 95 96 97 public boolean containsStaticInitializer() 98 { 99 return containsStaticInitializer; 100 } 101 102 103 public void setContainsPackageVisibleMembers() 104 { 105 containsPackageVisibleMembers = true; 106 } 107 108 109 public boolean containsPackageVisibleMembers() 110 { 111 return containsPackageVisibleMembers; 112 } 113 114 115 public void setInvokesPackageVisibleMembers() 116 { 117 invokesPackageVisibleMembers = true; 118 } 119 120 121 public boolean invokesPackageVisibleMembers() 122 { 123 return invokesPackageVisibleMembers; 124 } 125 126 127 public void setTargetClass(Clazz targetClass) 128 { 129 this.targetClass = targetClass; 130 } 131 132 133 public Clazz getTargetClass() 134 { 135 return targetClass; 136 } 137 138 139 public void merge(ClassOptimizationInfo other) 140 { 141 this.isInstantiated |= other.isInstantiated; 142 this.isInstanceofed |= other.isInstanceofed; 143 this.isDotClassed |= other.isDotClassed; 144 this.isCaught |= other.isCaught; 145 this.containsStaticInitializer |= other.containsStaticInitializer; 146 this.containsPackageVisibleMembers |= other.containsPackageVisibleMembers; 147 this.invokesPackageVisibleMembers |= other.invokesPackageVisibleMembers; 148 } 149 150 151 public static void setClassOptimizationInfo(Clazz clazz) 152 { 153 clazz.setVisitorInfo(new ClassOptimizationInfo()); 154 } 155 156 157 public static ClassOptimizationInfo getClassOptimizationInfo(Clazz clazz) 158 { 159 Object visitorInfo = clazz.getVisitorInfo(); 160 161 return visitorInfo instanceof ClassOptimizationInfo ? 162 (ClassOptimizationInfo)visitorInfo : 163 null; 164 } 165} 166