18f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver/* 28f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * Copyright 2013, Google Inc. 38f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * All rights reserved. 48f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * 58f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * Redistribution and use in source and binary forms, with or without 68f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * modification, are permitted provided that the following conditions are 78f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * met: 88f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * 98f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * * Redistributions of source code must retain the above copyright 108f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * notice, this list of conditions and the following disclaimer. 118f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * * Redistributions in binary form must reproduce the above 128f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * copyright notice, this list of conditions and the following disclaimer 138f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * in the documentation and/or other materials provided with the 148f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * distribution. 158f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * * Neither the name of Google Inc. nor the names of its 168f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * contributors may be used to endorse or promote products derived from 178f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * this software without specific prior written permission. 188f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * 198f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 208f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 218f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 228f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 238f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 248f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 258f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 268f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 278f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 288f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 298f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 308f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver */ 318f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver 328f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruverpackage org.jf.dexlib2.analysis; 338f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver 349531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruverimport org.jf.dexlib2.iface.reference.FieldReference; 359531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruverimport org.jf.dexlib2.iface.reference.MethodReference; 369531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 378f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruverimport javax.annotation.Nonnull; 3839e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruverimport javax.annotation.Nullable; 398f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver 4039e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruverpublic class UnknownClassProto implements TypeProto { 4139e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver @Nonnull protected final ClassPath classPath; 4239e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver 4339e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver public UnknownClassProto(@Nonnull ClassPath classPath) { 4439e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver this.classPath = classPath; 458f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver } 468f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver 4739e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver @Override public String toString() { return "Ujava/lang/Object;"; } 4839e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver @Nonnull @Override public ClassPath getClassPath() { return classPath; } 4939e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver @Nullable @Override public String getSuperclass() { return null; } 5039e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver @Override public boolean isInterface() { return false; } 5139e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver @Override public boolean implementsInterface(@Nonnull String iface) { return false; } 5239e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver 5339e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver @Nonnull @Override public TypeProto getCommonSuperclass(@Nonnull TypeProto other) { 5439e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver if (other.getType().equals("Ljava/lang/Object;")) { 5539e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver return other; 5639e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver } 5739e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver if (other instanceof ArrayProto) { 5839e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver // if it's an array class, it's safe to assume this unknown class isn't related, and so 5939e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver // java.lang.Object is the only possible superclass 6039e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver return classPath.getClass("Ljava/lang/Object;"); 618f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver } 6239e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver return this; 6339e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver } 6439e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver 6539e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver @Nonnull @Override public String getType() { 6639e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver // use the otherwise used U prefix for an unknown/unresolvable class 6739e4d4487e20041700f036a58a4dd7fb50e954bfBen Gruver return "Ujava/lang/Object;"; 688f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver } 699531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 709531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver @Override 719531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver @Nullable 729531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver public FieldReference getFieldByOffset(int fieldOffset) { 739531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver return classPath.getClass("Ljava/lang/Object;").getFieldByOffset(fieldOffset); 749531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver } 759531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 769531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver @Override 779531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver @Nullable 789531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver public MethodReference getMethodByVtableIndex(int vtableIndex) { 799531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver return classPath.getClass("Ljava/lang/Object;").getMethodByVtableIndex(vtableIndex); 809531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver } 818f383501c16660dbce78d6bdbd2e3c6985f9483fBen Gruver} 82