ImmutableInstruction35ms.java revision f320ed52934bd63d5f8071624a477f1b3332cd5d 
1/*
2 * Copyright 2013, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.dexlib2.immutable.instruction;
33
34import org.jf.dexlib2.Format;
35import org.jf.dexlib2.Opcode;
36import org.jf.dexlib2.iface.instruction.formats.Instruction35ms;
37import org.jf.dexlib2.util.Preconditions;
38
39import javax.annotation.Nonnull;
40
41public class ImmutableInstruction35ms extends ImmutableInstruction implements Instruction35ms {
42    public static final Format FORMAT = Format.Format35ms;
43
44    protected final int registerCount;
45    protected final int registerC;
46    protected final int registerD;
47    protected final int registerE;
48    protected final int registerF;
49    protected final int registerG;
50    protected final int vtableIndex;
51
52    public ImmutableInstruction35ms(@Nonnull Opcode opcode,
53                                    int registerCount,
54                                    int registerC,
55                                    int registerD,
56                                    int registerE,
57                                    int registerF,
58                                    int registerG,
59                                    int vtableIndex) {
60        super(opcode);
61        this.registerCount = Preconditions.check35cRegisterCount(registerCount);
62        this.registerC = (registerCount>0) ? Preconditions.checkNibbleRegister(registerC) : 0;
63        this.registerD = (registerCount>1) ? Preconditions.checkNibbleRegister(registerD) : 0;
64        this.registerE = (registerCount>2) ? Preconditions.checkNibbleRegister(registerE) : 0;
65        this.registerF = (registerCount>3) ? Preconditions.checkNibbleRegister(registerF) : 0;
66        this.registerG = (registerCount>4) ? Preconditions.checkNibbleRegister(registerG) : 0;
67        this.vtableIndex = Preconditions.checkVtableIndex(vtableIndex);
68    }
69
70    public static ImmutableInstruction35ms of(Instruction35ms instruction) {
71        if (instruction instanceof ImmutableInstruction35ms) {
72            return (ImmutableInstruction35ms)instruction;
73        }
74        return new ImmutableInstruction35ms(
75                instruction.getOpcode(),
76                instruction.getRegisterCount(),
77                instruction.getRegisterC(),
78                instruction.getRegisterD(),
79                instruction.getRegisterE(),
80                instruction.getRegisterF(),
81                instruction.getRegisterG(),
82                instruction.getVtableIndex());
83    }
84
85    @Override public int getRegisterCount() { return registerCount; }
86    @Override public int getRegisterC() { return registerC; }
87    @Override public int getRegisterD() { return registerD; }
88    @Override public int getRegisterE() { return registerE; }
89    @Override public int getRegisterF() { return registerF; }
90    @Override public int getRegisterG() { return registerG; }
91    @Override public int getVtableIndex() { return vtableIndex; }
92
93    @Override public Format getFormat() { return FORMAT; }
94}
95