PackedSwitchMethodItem.java revision 16a911620ccf7b530b873fb71cf13e8dcb88ad28 
1/*
2 * [The "BSD licence"]
3 * Copyright (c) 2009 Ben Gruver
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.antlr.stringtemplate.StringTemplate;
32import org.antlr.stringtemplate.StringTemplateGroup;
33import org.jf.dexlib.Code.Format.PackedSwitchDataPseudoInstruction;
34import org.jf.dexlib.CodeItem;
35import org.jf.baksmali.Adaptors.LabelMethodItem;
36import org.jf.baksmali.Adaptors.MethodDefinition;
37
38import java.util.ArrayList;
39import java.util.Iterator;
40import java.util.List;
41
42public class PackedSwitchMethodItem extends InstructionFormatMethodItem<PackedSwitchDataPseudoInstruction>
43        implements Iterable<LabelMethodItem> {
44    private List<LabelMethodItem> labels = new ArrayList<LabelMethodItem>();
45
46    public PackedSwitchMethodItem(MethodDefinition.LabelCache labelCache, CodeItem codeItem, int codeAddress,
47                                  StringTemplateGroup stg, PackedSwitchDataPseudoInstruction instruction,
48                                  int baseCodeAddress) {
49        super(codeItem, codeAddress, stg, instruction);
50
51        Iterator<PackedSwitchDataPseudoInstruction.PackedSwitchTarget> iterator = instruction.iterateKeysAndTargets();
52        while (iterator.hasNext()) {
53            PackedSwitchDataPseudoInstruction.PackedSwitchTarget target = iterator.next();
54            LabelMethodItem label = new LabelMethodItem(baseCodeAddress + target.targetAddressOffset, stg, "pswitch_");
55            label = labelCache.internLabel(label);
56            labels.add(label);
57        }
58    }
59
60    protected void setAttributes(StringTemplate template) {
61        template.setAttribute("FirstKey", instruction.getFirstKey());
62        template.setAttribute("Targets", labels);
63    }
64
65    public Iterator<LabelMethodItem> iterator() {
66        return labels.iterator();
67    }
68}
69