LabelMethodItem.java revision 0b2f7d6a57e90424b3ee455c041aab3996c05f2c
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;
30
31import org.jf.baksmali.IndentingWriter;
32import org.jf.baksmali.baksmali;
33
34import java.io.IOException;
35
36public class LabelMethodItem extends MethodItem {
37    private final String labelPrefix;
38    private int labelSequence;
39    private boolean isCommentedOut = true;
40
41    public LabelMethodItem(int codeAddress, String labelPrefix) {
42        super(codeAddress);
43        this.labelPrefix = labelPrefix;
44    }
45
46    public double getSortOrder() {
47        return 0;
48    }
49
50    public boolean isCommentedOut() {
51        return isCommentedOut;
52    }
53
54    public void setUncommented() {
55        this.isCommentedOut = false;
56    }
57
58    public int compareTo(MethodItem methodItem) {
59        int result = super.compareTo(methodItem);
60
61        if (result == 0) {
62            if (methodItem instanceof LabelMethodItem) {
63                result = labelPrefix.compareTo(((LabelMethodItem)methodItem).labelPrefix);
64            }
65        }
66        return result;
67    }
68
69    public int hashCode() {
70        //force it to call equals when two labels are at the same address
71        return getCodeAddress();
72    }
73
74    public boolean equals(Object o) {
75        if (!(o instanceof LabelMethodItem)) {
76            return false;
77        }
78        return this.compareTo((MethodItem)o) == 0;
79    }
80
81
82    public boolean writeTo(IndentingWriter writer) throws IOException {
83        writer.write(':');
84        writer.write(labelPrefix);
85        if (baksmali.useSequentialLabels) {
86            writer.printLongAsHex(labelSequence);
87        } else {
88            writer.printLongAsHex(this.getLabelAddress());
89        }
90        return true;
91    }
92
93    public String getLabelPrefix() {
94        return labelPrefix;
95    }
96
97    public int getLabelAddress() {
98        return this.getCodeAddress();
99    }
100
101    public int getLabelSequence() {
102        return labelSequence;
103    }
104
105    public void setLabelSequence(int labelSequence) {
106        this.labelSequence = labelSequence;
107    }
108}
109