ThreeRegisterDecodedInstruction.java revision 579d7739c53a2707ad711a2d2cae46d7d782f061 
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
19import com.android.dx.io.IndexType;
20
21/**
22 * A decoded Dalvik instruction which has three register arguments.
23 */
24public final class ThreeRegisterDecodedInstruction extends DecodedInstruction {
25    /** register argument "A" */
26    private final int a;
27
28    /** register argument "B" */
29    private final int b;
30
31    /** register argument "C" */
32    private final int c;
33
34    /**
35     * Constructs an instance.
36     */
37    public ThreeRegisterDecodedInstruction(InstructionCodec format, int opcode,
38            int index, IndexType indexType, int target, long literal,
39            int a, int b, int c) {
40        super(format, opcode, index, indexType, target, literal);
41
42        this.a = a;
43        this.b = b;
44        this.c = c;
45    }
46
47    /** @inheritDoc */
48    public int getRegisterCount() {
49        return 3;
50    }
51
52    /** @inheritDoc */
53    public int getA() {
54        return a;
55    }
56
57    /** @inheritDoc */
58    public int getB() {
59        return b;
60    }
61
62    /** @inheritDoc */
63    public int getC() {
64        return c;
65    }
66
67    /** @inheritDoc */
68    public DecodedInstruction withIndex(int newIndex) {
69        return new ThreeRegisterDecodedInstruction(
70                getFormat(), getOpcode(), newIndex, getIndexType(),
71                getTarget(), getLiteral(), a, b, c);
72    }
73}
74