ImmutableInstruction3rms.java revision f97289cf3e7eea35906edb1d5caa0490fd0061e7
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 32package org.jf.dexlib2.immutable.instruction; 33 34import org.jf.dexlib2.Format; 35import org.jf.dexlib2.Opcode; 36import org.jf.dexlib2.iface.instruction.formats.Instruction3rms; 37import org.jf.dexlib2.util.Preconditions; 38 39import javax.annotation.Nonnull; 40 41public class ImmutableInstruction3rms extends ImmutableInstruction implements Instruction3rms { 42 public static final Format FORMAT = Format.Format3rms; 43 44 protected final int startRegister; 45 protected final int registerCount; 46 47 protected final int vtableIndex; 48 49 public ImmutableInstruction3rms(@Nonnull Opcode opcode, 50 int startRegister, 51 int registerCount, 52 int vtableIndex) { 53 super(opcode); 54 this.startRegister = Preconditions.checkShortRegister(startRegister); 55 this.registerCount = Preconditions.checkRegisterRangeCount(registerCount); 56 this.vtableIndex = Preconditions.checkVtableIndex(vtableIndex); 57 } 58 59 public static ImmutableInstruction3rms of(Instruction3rms instruction) { 60 if (instruction instanceof ImmutableInstruction3rms) { 61 return (ImmutableInstruction3rms)instruction; 62 } 63 return new ImmutableInstruction3rms( 64 instruction.getOpcode(), 65 instruction.getStartRegister(), 66 instruction.getRegisterCount(), 67 instruction.getVtableIndex()); 68 } 69 70 @Override public int getStartRegister() { return startRegister; } 71 @Override public int getRegisterCount() { return registerCount; } 72 @Override public int getVtableIndex() { return vtableIndex; } 73 74 @Override public Format getFormat() { return FORMAT; } 75} 76 77