LabelMethodItem.java revision 00fc68adf2e39aeb9fed35293f2576bbe729ec4b 
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.antlr.stringtemplate.StringTemplateGroup;
32import org.antlr.stringtemplate.StringTemplate;
33import org.jf.baksmali.baksmali;
34
35public class LabelMethodItem extends MethodItem {
36    private final StringTemplateGroup stg;
37    private final String labelPrefix;
38    private int labelSequence;
39    private boolean isCommentedOut = true;
40
41    public LabelMethodItem(int codeAddress, StringTemplateGroup stg, String labelPrefix) {
42        super(codeAddress);
43        this.stg = stg;
44        this.labelPrefix = labelPrefix;
45    }
46
47    public double getSortOrder() {
48        return 0;
49    }
50
51    public boolean isCommentedOut() {
52        return isCommentedOut;
53    }
54
55    public void setUncommented() {
56        this.isCommentedOut = false;
57    }
58
59    public int compareTo(MethodItem methodItem) {
60        int result = super.compareTo(methodItem);
61
62        if (result == 0) {
63            if (methodItem instanceof LabelMethodItem) {
64                result = labelPrefix.compareTo(((LabelMethodItem)methodItem).labelPrefix);
65            }
66        }
67        return result;
68    }
69
70    public int hashCode() {
71        //force it to call equals when two labels are at the same address
72        return getCodeAddress();
73    }
74
75    public boolean equals(Object o) {
76        if (!(o instanceof LabelMethodItem)) {
77            return false;
78        }
79        return this.compareTo((MethodItem)o) == 0;
80    }
81
82    @Override
83    public String toString() {
84        StringTemplate template = stg.getInstanceOf("Label");
85        template.setAttribute("Prefix", labelPrefix);
86        if (baksmali.useSequentialLabels) {
87            template.setAttribute("Suffix", Integer.toHexString(labelSequence));
88        } else {
89            template.setAttribute("Suffix", getLabelAddress());
90        }
91        return template.toString();
92    }
93
94    public String getLabelPrefix() {
95        return labelPrefix;
96    }
97
98    public String getLabelAddress() {
99        return Integer.toHexString(this.getCodeAddress());
100    }
101
102    public int getLabelSequence() {
103        return labelSequence;
104    }
105
106    public void setLabelSequence(int labelSequence) {
107        this.labelSequence = labelSequence;
108    }
109}
110