1/*
2 * [The "BSD licence"]
3 * Copyright (c) 2010 Ben Gruver (JesusFreke)
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29package org.jf.baksmali.Adaptors.Format;
30
31import org.jf.baksmali.Adaptors.MethodDefinition;
32import org.jf.dexlib2.analysis.UnresolvedOdexInstruction;
33import org.jf.dexlib2.iface.instruction.Instruction;
34import org.jf.dexlib2.iface.instruction.OffsetInstruction;
35import org.jf.dexlib2.iface.instruction.formats.ArrayPayload;
36import org.jf.dexlib2.iface.instruction.formats.PackedSwitchPayload;
37import org.jf.dexlib2.iface.instruction.formats.SparseSwitchPayload;
38
39public class InstructionMethodItemFactory {
40    private InstructionMethodItemFactory() {
41    }
42
43    public static InstructionMethodItem makeInstructionFormatMethodItem(
44            MethodDefinition methodDef, int codeAddress, Instruction instruction) {
45
46        if (instruction instanceof OffsetInstruction) {
47            return new OffsetInstructionFormatMethodItem(methodDef.classDef.options, methodDef, codeAddress,
48                    (OffsetInstruction)instruction);
49        }
50
51        if (instruction instanceof UnresolvedOdexInstruction) {
52            return new UnresolvedOdexInstructionMethodItem(methodDef, codeAddress,
53                    (UnresolvedOdexInstruction)instruction);
54        }
55
56        switch (instruction.getOpcode().format) {
57            case ArrayPayload:
58                return new ArrayDataMethodItem(methodDef, codeAddress, (ArrayPayload)instruction);
59            case PackedSwitchPayload:
60                return new PackedSwitchMethodItem(methodDef, codeAddress, (PackedSwitchPayload)instruction);
61            case SparseSwitchPayload:
62                return new SparseSwitchMethodItem(methodDef, codeAddress, (SparseSwitchPayload)instruction);
63            default:
64                return new InstructionMethodItem<Instruction>(methodDef, codeAddress, instruction);
65        }
66    }
67}
68