1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.dx.io.instructions; 18 19import com.android.dx.io.IndexType; 20 21/** 22 * A decoded Dalvik instruction which has three register arguments. 23 */ 24public final class ThreeRegisterDecodedInstruction extends DecodedInstruction { 25 /** register argument "A" */ 26 private final int a; 27 28 /** register argument "B" */ 29 private final int b; 30 31 /** register argument "C" */ 32 private final int c; 33 34 /** 35 * Constructs an instance. 36 */ 37 public ThreeRegisterDecodedInstruction(InstructionCodec format, int opcode, 38 int index, IndexType indexType, int target, long literal, 39 int a, int b, int c) { 40 super(format, opcode, index, indexType, target, literal); 41 42 this.a = a; 43 this.b = b; 44 this.c = c; 45 } 46 47 /** {@inheritDoc} */ 48 @Override 49 public int getRegisterCount() { 50 return 3; 51 } 52 53 /** {@inheritDoc} */ 54 @Override 55 public int getA() { 56 return a; 57 } 58 59 /** {@inheritDoc} */ 60 @Override 61 public int getB() { 62 return b; 63 } 64 65 /** {@inheritDoc} */ 66 @Override 67 public int getC() { 68 return c; 69 } 70 71 /** {@inheritDoc} */ 72 @Override 73 public DecodedInstruction withIndex(int newIndex) { 74 return new ThreeRegisterDecodedInstruction( 75 getFormat(), getOpcode(), newIndex, getIndexType(), 76 getTarget(), getLiteral(), a, b, c); 77 } 78} 79