1/* 2 * Copyright 2012, 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 32package org.jf.dexlib2.immutable.instruction; 33 34import org.jf.dexlib2.Format; 35import org.jf.dexlib2.Opcode; 36import org.jf.dexlib2.iface.instruction.formats.Instruction3rc; 37import org.jf.dexlib2.iface.reference.Reference; 38import org.jf.dexlib2.immutable.reference.ImmutableReference; 39import org.jf.dexlib2.immutable.reference.ImmutableReferenceFactory; 40import org.jf.dexlib2.util.Preconditions; 41 42import javax.annotation.Nonnull; 43 44public class ImmutableInstruction3rc extends ImmutableInstruction implements Instruction3rc { 45 public static final Format FORMAT = Format.Format3rc; 46 47 protected final int startRegister; 48 protected final int registerCount; 49 50 @Nonnull protected final ImmutableReference reference; 51 52 public ImmutableInstruction3rc(@Nonnull Opcode opcode, 53 int startRegister, 54 int registerCount, 55 @Nonnull Reference reference) { 56 super(opcode); 57 this.startRegister = Preconditions.checkShortRegister(startRegister); 58 this.registerCount = Preconditions.checkRegisterRangeCount(registerCount); 59 this.reference = ImmutableReferenceFactory.of(opcode.referenceType, reference); 60 } 61 62 public static ImmutableInstruction3rc of(Instruction3rc instruction) { 63 if (instruction instanceof ImmutableInstruction3rc) { 64 return (ImmutableInstruction3rc)instruction; 65 } 66 return new ImmutableInstruction3rc( 67 instruction.getOpcode(), 68 instruction.getStartRegister(), 69 instruction.getRegisterCount(), 70 instruction.getReference()); 71 } 72 73 @Override public int getStartRegister() { return startRegister; } 74 @Override public int getRegisterCount() { return registerCount; } 75 @Nonnull @Override public ImmutableReference getReference() { return reference; } 76 @Override public int getReferenceType() { return opcode.referenceType; } 77 78 @Override public Format getFormat() { return FORMAT; } 79} 80 81