1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage com.android.dx.dex.code; 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.code.RegisterSpecList; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.code.SourcePosition; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.cst.Constant; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Instruction which has a single constant argument in addition 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * to all the normal instruction information. 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic final class CstInsn extends FixedSizeInsn { 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** non-null; the constant argument for this instruction */ 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private final Constant constant; 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * >= -1; the constant pool index for {@link #constant}, or 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * <code>-1</code> if not yet set 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private int index; 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * >= -1; the constant pool index for the class reference in 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * {@link #constant} if any, or <code>-1</code> if not yet set 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private int classIndex; 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Constructs an instance. The output address of this instance is 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * initially unknown (<code>-1</code>) as is the constant pool index. 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param opcode the opcode; one of the constants from {@link Dops} 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param position non-null; source position 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param registers non-null; register list, including a 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * result register if appropriate (that is, registers may be either 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * ins or outs) 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param constant non-null; constant argument 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public CstInsn(Dop opcode, SourcePosition position, 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpecList registers, Constant constant) { 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project super(opcode, position, registers); 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (constant == null) { 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new NullPointerException("constant == null"); 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.constant = constant; 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.index = -1; 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.classIndex = -1; 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public DalvInsn withOpcode(Dop opcode) { 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project CstInsn result = 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project new CstInsn(opcode, getPosition(), getRegisters(), constant); 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (index >= 0) { 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project result.setIndex(index); 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (classIndex >= 0) { 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project result.setClassIndex(classIndex); 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return result; 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public DalvInsn withRegisters(RegisterSpecList registers) { 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project CstInsn result = 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project new CstInsn(getOpcode(), getPosition(), registers, constant); 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (index >= 0) { 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project result.setIndex(index); 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (classIndex >= 0) { 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project result.setClassIndex(classIndex); 96f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 97f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 98f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return result; 99f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 100f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 101f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 102f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Gets the constant argument. 103f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 104f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @return non-null; the constant argument 105f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 106f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Constant getConstant() { 107f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return constant; 108f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 109f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 110f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 111f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Gets the constant's index. It is only valid to call this after 112f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * {@link #setIndex} has been called. 113f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 114f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @return >= 0; the constant pool index 115f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 116f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int getIndex() { 117f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (index < 0) { 118f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new RuntimeException("index not yet set for " + constant); 119f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 120f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 121f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return index; 122f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 123f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 124f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 125f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Returns whether the constant's index has been set for this instance. 126f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 127f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @see #setIndex 128f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 129f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @return <code>true</code> iff the index has been set 130f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 131f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean hasIndex() { 132f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return (index >= 0); 133f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 134f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 135f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 136f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Sets the constant's index. It is only valid to call this method once 137f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * per instance. 138f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 139f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param index >= 0; the constant pool index 140f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 141f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void setIndex(int index) { 142f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (index < 0) { 143f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalArgumentException("index < 0"); 144f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 145f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 146f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (this.index >= 0) { 147f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new RuntimeException("index already set"); 148f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 149f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 150f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.index = index; 151f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 152f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 153f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 154f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Gets the constant's class index. It is only valid to call this after 155f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * {@link #setClassIndex} has been called. 156f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 157f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @return >= 0; the constant's class's constant pool index 158f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 159f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int getClassIndex() { 160f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (classIndex < 0) { 161f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new RuntimeException("class index not yet set"); 162f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 163f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 164f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return classIndex; 165f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 166f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 167f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 168f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Returns whether the constant's class index has been set for this 169f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * instance. 170f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 171f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @see #setClassIndex 172f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 173f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @return <code>true</code> iff the index has been set 174f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 175f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean hasClassIndex() { 176f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return (classIndex >= 0); 177f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 178f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 179f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 180f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Sets the constant's class index. This is the constant pool index 181f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * for the class referred to by this instance's constant. Only 182f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * reference constants have a class, so it is only on instances 183f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * with reference constants that this method should ever be 184f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * called. It is only valid to call this method once per instance. 185f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 186f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param index >= 0; the constant's class's constant pool index 187f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 188f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void setClassIndex(int index) { 189f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (index < 0) { 190f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalArgumentException("index < 0"); 191f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 192f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 193f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (this.classIndex >= 0) { 194f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new RuntimeException("class index already set"); 195f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 196f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 197f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.classIndex = index; 198f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 199f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 200f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 201f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 202f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected String argString() { 203f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return constant.toHuman(); 204f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 205f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 206