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