RegisterRangeDecodedInstruction.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 register range arguments (an
23 * "A" start register and a register count).
24 */
25public final class RegisterRangeDecodedInstruction extends DecodedInstruction {
26    /** register argument "A" */
27    private final int a;
28
29    /** register count */
30    private final int registerCount;
31
32    /**
33     * Constructs an instance.
34     */
35    public RegisterRangeDecodedInstruction(InstructionCodec format, int opcode,
36            int index, IndexType indexType, int target, long literal,
37            int a, int registerCount) {
38        super(format, opcode, index, indexType, target, literal);
39
40        this.a = a;
41        this.registerCount = registerCount;
42    }
43
44    /** @inheritDoc */
45    public int getRegisterCount() {
46        return registerCount;
47    }
48
49    /** @inheritDoc */
50    public int getA() {
51        return a;
52    }
53
54    /** @inheritDoc */
55    public DecodedInstruction withIndex(int newIndex) {
56        return new RegisterRangeDecodedInstruction(
57                getFormat(), getOpcode(), newIndex, getIndexType(),
58                getTarget(), getLiteral(), a, registerCount);
59    }
60}
61