1 /* 2 * Copyright 2013, Google Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 package org.jf.dexlib2.immutable.instruction; 33 34 import org.jf.dexlib2.Format; 35 import org.jf.dexlib2.Opcode; 36 import org.jf.dexlib2.ReferenceType; 37 import org.jf.dexlib2.iface.instruction.formats.Instruction20bc; 38 import org.jf.dexlib2.iface.reference.Reference; 39 import org.jf.dexlib2.immutable.reference.ImmutableReference; 40 import org.jf.dexlib2.immutable.reference.ImmutableReferenceFactory; 41 import org.jf.dexlib2.util.Preconditions; 42 43 import javax.annotation.Nonnull; 44 45 public class ImmutableInstruction20bc extends ImmutableInstruction implements Instruction20bc { 46 public static final Format FORMAT = Format.Format20bc; 47 48 protected final int verificationError; 49 @Nonnull protected final ImmutableReference reference; 50 51 public ImmutableInstruction20bc(@Nonnull Opcode opcode, 52 int verificationError, 53 @Nonnull Reference reference) { 54 super(opcode); 55 this.verificationError = Preconditions.checkVerificationError(verificationError); 56 this.reference = ImmutableReferenceFactory.of(opcode.referenceType, reference); 57 } 58 59 public static ImmutableInstruction20bc of(Instruction20bc instruction) { 60 if (instruction instanceof ImmutableInstruction20bc) { 61 return (ImmutableInstruction20bc)instruction; 62 } 63 return new ImmutableInstruction20bc( 64 instruction.getOpcode(), 65 instruction.getVerificationError(), 66 instruction.getReference()); 67 } 68 69 @Override public int getVerificationError() { return verificationError; } 70 @Nonnull @Override public ImmutableReference getReference() { return reference; } 71 @Override public int getReferenceType() { return ReferenceType.getReferenceType(reference); } 72 73 @Override public Format getFormat() { return FORMAT; } 74 } 75