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 
17 package com.android.dx.io.instructions;
18 
19 /**
20  * A decoded Dalvik instruction which contains the payload for
21  * a {@code packed-switch} instruction.
22  */
23 public final class SparseSwitchPayloadDecodedInstruction
24         extends DecodedInstruction {
25     /** array of key values */
26     private final int[] keys;
27 
28     /**
29      * array of target addresses. These are absolute, not relative,
30      * addresses.
31      */
32     private final int[] targets;
33 
34     /**
35      * Constructs an instance.
36      */
SparseSwitchPayloadDecodedInstruction(InstructionCodec format, int opcode, int[] keys, int[] targets)37     public SparseSwitchPayloadDecodedInstruction(InstructionCodec format,
38             int opcode, int[] keys, int[] targets) {
39         super(format, opcode, 0, null, 0, 0L);
40 
41         if (keys.length != targets.length) {
42             throw new IllegalArgumentException("keys/targets length mismatch");
43         }
44 
45         this.keys = keys;
46         this.targets = targets;
47     }
48 
49     /** @inheritDoc */
getRegisterCount()50     public int getRegisterCount() {
51         return 0;
52     }
53 
getKeys()54     public int[] getKeys() {
55         return keys;
56     }
57 
getTargets()58     public int[] getTargets() {
59         return targets;
60     }
61 
62     /** @inheritDoc */
withIndex(int newIndex)63     public DecodedInstruction withIndex(int newIndex) {
64         throw new UnsupportedOperationException("no index in instruction");
65     }
66 }
67