/usr/share/doc/libserp-java/api/src-html/serp/bytecode/IfInstruction.html is in libserp-java-doc 1.15.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>Source code</title>
<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
</head>
<body>
<div class="sourceContainer">
<pre><span class="sourceLineNo">001</span>package serp.bytecode;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import serp.bytecode.lowlevel.*;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import serp.bytecode.visitor.*;<a name="line.4"></a>
<span class="sourceLineNo">005</span><a name="line.5"></a>
<span class="sourceLineNo">006</span>/**<a name="line.6"></a>
<span class="sourceLineNo">007</span> * An if instruction such as <code>ifnull, ifeq</code>, etc.<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * @author Abe White<a name="line.9"></a>
<span class="sourceLineNo">010</span> */<a name="line.10"></a>
<span class="sourceLineNo">011</span>public class IfInstruction extends JumpInstruction {<a name="line.11"></a>
<span class="sourceLineNo">012</span> IfInstruction(Code owner, int opcode) {<a name="line.12"></a>
<span class="sourceLineNo">013</span> super(owner, opcode);<a name="line.13"></a>
<span class="sourceLineNo">014</span> }<a name="line.14"></a>
<span class="sourceLineNo">015</span><a name="line.15"></a>
<span class="sourceLineNo">016</span> public int getStackChange() {<a name="line.16"></a>
<span class="sourceLineNo">017</span> switch (getOpcode()) {<a name="line.17"></a>
<span class="sourceLineNo">018</span> case Constants.IFACMPEQ:<a name="line.18"></a>
<span class="sourceLineNo">019</span> case Constants.IFACMPNE:<a name="line.19"></a>
<span class="sourceLineNo">020</span> case Constants.IFICMPEQ:<a name="line.20"></a>
<span class="sourceLineNo">021</span> case Constants.IFICMPNE:<a name="line.21"></a>
<span class="sourceLineNo">022</span> case Constants.IFICMPLT:<a name="line.22"></a>
<span class="sourceLineNo">023</span> case Constants.IFICMPGT:<a name="line.23"></a>
<span class="sourceLineNo">024</span> case Constants.IFICMPLE:<a name="line.24"></a>
<span class="sourceLineNo">025</span> case Constants.IFICMPGE:<a name="line.25"></a>
<span class="sourceLineNo">026</span> return -2;<a name="line.26"></a>
<span class="sourceLineNo">027</span> case Constants.IFEQ:<a name="line.27"></a>
<span class="sourceLineNo">028</span> case Constants.IFNE:<a name="line.28"></a>
<span class="sourceLineNo">029</span> case Constants.IFLT:<a name="line.29"></a>
<span class="sourceLineNo">030</span> case Constants.IFGT:<a name="line.30"></a>
<span class="sourceLineNo">031</span> case Constants.IFLE:<a name="line.31"></a>
<span class="sourceLineNo">032</span> case Constants.IFGE:<a name="line.32"></a>
<span class="sourceLineNo">033</span> case Constants.IFNULL:<a name="line.33"></a>
<span class="sourceLineNo">034</span> case Constants.IFNONNULL:<a name="line.34"></a>
<span class="sourceLineNo">035</span> return -1;<a name="line.35"></a>
<span class="sourceLineNo">036</span> default:<a name="line.36"></a>
<span class="sourceLineNo">037</span> return super.getStackChange();<a name="line.37"></a>
<span class="sourceLineNo">038</span> }<a name="line.38"></a>
<span class="sourceLineNo">039</span> }<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span> int getLength() {<a name="line.41"></a>
<span class="sourceLineNo">042</span> return super.getLength() + 2;<a name="line.42"></a>
<span class="sourceLineNo">043</span> }<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span> public String getTypeName() {<a name="line.45"></a>
<span class="sourceLineNo">046</span> switch (getOpcode()) {<a name="line.46"></a>
<span class="sourceLineNo">047</span> case Constants.IFACMPEQ:<a name="line.47"></a>
<span class="sourceLineNo">048</span> case Constants.IFACMPNE:<a name="line.48"></a>
<span class="sourceLineNo">049</span> case Constants.IFNULL:<a name="line.49"></a>
<span class="sourceLineNo">050</span> case Constants.IFNONNULL:<a name="line.50"></a>
<span class="sourceLineNo">051</span> return "java.lang.Object";<a name="line.51"></a>
<span class="sourceLineNo">052</span> default:<a name="line.52"></a>
<span class="sourceLineNo">053</span> return "I";<a name="line.53"></a>
<span class="sourceLineNo">054</span> }<a name="line.54"></a>
<span class="sourceLineNo">055</span> }<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span> public void acceptVisit(BCVisitor visit) {<a name="line.57"></a>
<span class="sourceLineNo">058</span> visit.enterIfInstruction(this);<a name="line.58"></a>
<span class="sourceLineNo">059</span> visit.exitIfInstruction(this);<a name="line.59"></a>
<span class="sourceLineNo">060</span> }<a name="line.60"></a>
<span class="sourceLineNo">061</span>}<a name="line.61"></a>
</pre>
</div>
</body>
</html>
|