1/*
2 * Copyright 2012, 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
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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.Instruction31c;
37import org.jf.dexlib2.iface.reference.Reference;
38import org.jf.dexlib2.immutable.reference.ImmutableReference;
39import org.jf.dexlib2.immutable.reference.ImmutableReferenceFactory;
40import org.jf.dexlib2.util.Preconditions;
41
42import javax.annotation.Nonnull;
43
44public class ImmutableInstruction31c extends ImmutableInstruction implements Instruction31c {
45    public static final Format FORMAT = Format.Format31c;
46
47    protected final int registerA;
48    @Nonnull protected final ImmutableReference reference;
49
50    public ImmutableInstruction31c(@Nonnull Opcode opcode,
51                                   int registerA,
52                                   @Nonnull Reference reference) {
53        super(opcode);
54        this.registerA = Preconditions.checkByteRegister(registerA);
55        this.reference = ImmutableReferenceFactory.of(opcode.referenceType, reference);
56    }
57
58    public static ImmutableInstruction31c of(Instruction31c instruction) {
59        if (instruction instanceof ImmutableInstruction31c) {
60            return (ImmutableInstruction31c)instruction;
61        }
62        return new ImmutableInstruction31c(
63                instruction.getOpcode(),
64                instruction.getRegisterA(),
65                instruction.getReference());
66    }
67
68    @Override public int getRegisterA() { return registerA; }
69    @Nonnull @Override public ImmutableReference getReference() { return reference; }
70    @Override public int getReferenceType() { return opcode.referenceType; }
71
72    @Override public Format getFormat() { return FORMAT; }
73}
74