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
19/**
20 * A decoded Dalvik instruction which contains the payload for
21 * a {@code packed-switch} instruction.
22 */
23public 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     */
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 */
50    public int getRegisterCount() {
51        return 0;
52    }
53
54    public int[] getKeys() {
55        return keys;
56    }
57
58    public int[] getTargets() {
59        return targets;
60    }
61
62    /** @inheritDoc */
63    public DecodedInstruction withIndex(int newIndex) {
64        throw new UnsupportedOperationException("no index in instruction");
65    }
66}
67