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 FillArrayDataPayloadDecodedInstruction
24         extends DecodedInstruction {
25     /** data array */
26     private final Object data;
27 
28     /** number of elements */
29     private final int size;
30 
31     /** element width */
32     private final int elementWidth;
33 
34     /**
35      * Constructs an instance. This private instance doesn't check the
36      * type of the data array.
37      */
FillArrayDataPayloadDecodedInstruction(InstructionCodec format, int opcode, Object data, int size, int elementWidth)38     private FillArrayDataPayloadDecodedInstruction(InstructionCodec format,
39             int opcode, Object data, int size, int elementWidth) {
40         super(format, opcode, 0, null, 0, 0L);
41 
42         this.data = data;
43         this.size = size;
44         this.elementWidth = elementWidth;
45     }
46 
47     /**
48      * Constructs an instance.
49      */
FillArrayDataPayloadDecodedInstruction(InstructionCodec format, int opcode, byte[] data)50     public FillArrayDataPayloadDecodedInstruction(InstructionCodec format,
51             int opcode, byte[] data) {
52         this(format, opcode, data, data.length, 1);
53     }
54 
55     /**
56      * Constructs an instance.
57      */
FillArrayDataPayloadDecodedInstruction(InstructionCodec format, int opcode, short[] data)58     public FillArrayDataPayloadDecodedInstruction(InstructionCodec format,
59             int opcode, short[] data) {
60         this(format, opcode, data, data.length, 2);
61     }
62 
63     /**
64      * Constructs an instance.
65      */
FillArrayDataPayloadDecodedInstruction(InstructionCodec format, int opcode, int[] data)66     public FillArrayDataPayloadDecodedInstruction(InstructionCodec format,
67             int opcode, int[] data) {
68         this(format, opcode, data, data.length, 4);
69     }
70 
71     /**
72      * Constructs an instance.
73      */
FillArrayDataPayloadDecodedInstruction(InstructionCodec format, int opcode, long[] data)74     public FillArrayDataPayloadDecodedInstruction(InstructionCodec format,
75             int opcode, long[] data) {
76         this(format, opcode, data, data.length, 8);
77     }
78 
79     /** {@inheritDoc} */
getRegisterCount()80     public int getRegisterCount() {
81         return 0;
82     }
83 
getElementWidthUnit()84     public short getElementWidthUnit() {
85         return (short) elementWidth;
86     }
87 
getSize()88     public int getSize() {
89         return size;
90     }
91 
getData()92     public Object getData() {
93         return data;
94     }
95 
96     /** {@inheritDoc} */
withIndex(int newIndex)97     public DecodedInstruction withIndex(int newIndex) {
98         throw new UnsupportedOperationException("no index in instruction");
99     }
100 }
101