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.rop.code; 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.type.StdTypeList; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.type.Type; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.type.TypeList; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.util.IntList; 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Instruction which contains switch cases. 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic final class SwitchInsn 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project extends Insn { 2999409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project /** {@code non-null;} list of switch cases */ 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private final IntList cases; 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Constructs an instance. 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 3599409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @param opcode {@code non-null;} the opcode 3699409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @param position {@code non-null;} source position 3799409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @param result {@code null-ok;} spec for the result, if any 3899409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @param sources {@code non-null;} specs for all the sources 3999409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @param cases {@code non-null;} list of switch cases 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public SwitchInsn(Rop opcode, SourcePosition position, RegisterSpec result, 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpecList sources, IntList cases) { 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project super(opcode, position, result, sources); 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (opcode.getBranchingness() != Rop.BRANCH_SWITCH) { 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalArgumentException("bogus branchingness"); 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (cases == null) { 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new NullPointerException("cases == null"); 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.cases = cases; 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public String getInlineString() { 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return cases.toString(); 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public TypeList getCatches() { 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return StdTypeList.EMPTY; 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void accept(Visitor visitor) { 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project visitor.visitSwitchInsn(this); 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Insn withAddedCatch(Type type) { 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException("unsupported"); 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Insn withRegisterOffset(int delta) { 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return new SwitchInsn(getOpcode(), getPosition(), 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project getResult().withOffset(delta), 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project getSources().withOffset(delta), 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cases); 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * {@inheritDoc} 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * <p> SwitchInsn always compares false. The current use for this method 9399409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * never encounters {@code SwitchInsn}s 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 96f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean contentEquals(Insn b) { 97f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return false; 98f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 99f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 100f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 101f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 102f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Insn withNewRegisters(RegisterSpec result, 103f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpecList sources) { 104f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 105f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return new SwitchInsn(getOpcode(), getPosition(), 106f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project result, 107f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project sources, 108f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cases); 109f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 110f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 111f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 112f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Gets the list of switch cases. 113f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 11499409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @return {@code non-null;} the case list 115f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 116f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public IntList getCases() { 117f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return cases; 118f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 119f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 120