1 /* 2 * Copyright (C) 2017 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 17 package com.android.dx.io.instructions; 18 19 import com.android.dx.io.IndexType; 20 21 /** A decoded invoke-polymorphic instruction. */ 22 public class InvokePolymorphicDecodedInstruction extends DecodedInstruction { 23 24 private final int protoIndex; 25 private final int[] registers; 26 InvokePolymorphicDecodedInstruction( InstructionCodec format, int opcode, int methodIndex, IndexType indexType, int protoIndex, int[] registers)27 public InvokePolymorphicDecodedInstruction( 28 InstructionCodec format, 29 int opcode, 30 int methodIndex, 31 IndexType indexType, 32 int protoIndex, 33 int[] registers) { 34 super(format, opcode, methodIndex, indexType, 0, 0); 35 if (protoIndex != (short) protoIndex) { 36 throw new IllegalArgumentException("protoIndex doesn't fit in a short: " + protoIndex); 37 } 38 this.protoIndex = protoIndex; 39 this.registers = registers; 40 } 41 42 @Override getRegisterCount()43 public int getRegisterCount() { 44 return registers.length; 45 } 46 47 @Override withIndex(int newIndex)48 public DecodedInstruction withIndex(int newIndex) { 49 throw new UnsupportedOperationException( 50 "use withProtoIndex to update both the method and proto indices for" 51 + " invoke-polymorphic"); 52 } 53 54 @Override withProtoIndex(int newIndex, int newProtoIndex)55 public DecodedInstruction withProtoIndex(int newIndex, int newProtoIndex) { 56 return new InvokePolymorphicDecodedInstruction( 57 getFormat(), getOpcode(), newIndex, getIndexType(), newProtoIndex, registers); 58 } 59 60 @Override getC()61 public int getC() { 62 return registers.length > 0 ? registers[0] : 0; 63 } 64 65 @Override getD()66 public int getD() { 67 return registers.length > 1 ? registers[1] : 0; 68 } 69 70 @Override getE()71 public int getE() { 72 return registers.length > 2 ? registers[2] : 0; 73 } 74 getF()75 public int getF() { 76 return registers.length > 3 ? registers[3] : 0; 77 } 78 getG()79 public int getG() { 80 return registers.length > 4 ? registers[4] : 0; 81 } 82 83 @Override getProtoIndex()84 public short getProtoIndex() { 85 return (short) protoIndex; 86 } 87 } 88