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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Cobertura - http://cobertura.sourceforge.net/<a name="line.2"></a>
<span class="sourceLineNo">003</span> *<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Copyright (C) 2006 Jiri Mares<a name="line.4"></a>
<span class="sourceLineNo">005</span> *<a name="line.5"></a>
<span class="sourceLineNo">006</span> * Cobertura is free software; you can redistribute it and/or modify<a name="line.6"></a>
<span class="sourceLineNo">007</span> * it under the terms of the GNU General Public License as published<a name="line.7"></a>
<span class="sourceLineNo">008</span> * by the Free Software Foundation; either version 2 of the License,<a name="line.8"></a>
<span class="sourceLineNo">009</span> * or (at your option) any later version.<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Cobertura is distributed in the hope that it will be useful, but<a name="line.11"></a>
<span class="sourceLineNo">012</span> * WITHOUT ANY WARRANTY; without even the implied warranty of<a name="line.12"></a>
<span class="sourceLineNo">013</span> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU<a name="line.13"></a>
<span class="sourceLineNo">014</span> * General Public License for more details.<a name="line.14"></a>
<span class="sourceLineNo">015</span> *<a name="line.15"></a>
<span class="sourceLineNo">016</span> * You should have received a copy of the GNU General Public License<a name="line.16"></a>
<span class="sourceLineNo">017</span> * along with Cobertura; if not, write to the Free Software<a name="line.17"></a>
<span class="sourceLineNo">018</span> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307<a name="line.18"></a>
<span class="sourceLineNo">019</span> * USA<a name="line.19"></a>
<span class="sourceLineNo">020</span> */<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>package net.sourceforge.cobertura.instrument;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.objectweb.asm.Label;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.objectweb.asm.MethodAdapter;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.objectweb.asm.MethodVisitor;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.objectweb.asm.Opcodes;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.objectweb.asm.Type;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Expects that the visitMaxs is calculated for me .... <a name="line.32"></a>
<span class="sourceLineNo">033</span> */<a name="line.33"></a>
<span class="sourceLineNo">034</span>public class NewLocalVariableMethodAdapter extends MethodAdapter implements Opcodes<a name="line.34"></a>
<span class="sourceLineNo">035</span>{<a name="line.35"></a>
<span class="sourceLineNo">036</span> protected int firstStackVariable;<a name="line.36"></a>
<span class="sourceLineNo">037</span> protected int addedStackWords;<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span> public NewLocalVariableMethodAdapter(MethodVisitor mv, int access, String desc, int addedStackWords)<a name="line.39"></a>
<span class="sourceLineNo">040</span> {<a name="line.40"></a>
<span class="sourceLineNo">041</span> super(mv);<a name="line.41"></a>
<span class="sourceLineNo">042</span> Type[] args = Type.getArgumentTypes(desc);<a name="line.42"></a>
<span class="sourceLineNo">043</span> firstStackVariable = ((ACC_STATIC & access) != 0) ? 0 : 1;<a name="line.43"></a>
<span class="sourceLineNo">044</span> for (int i = 0; i < args.length; i++) {<a name="line.44"></a>
<span class="sourceLineNo">045</span> firstStackVariable += args[i].getSize();<a name="line.45"></a>
<span class="sourceLineNo">046</span> }<a name="line.46"></a>
<span class="sourceLineNo">047</span> this.addedStackWords = addedStackWords;<a name="line.47"></a>
<span class="sourceLineNo">048</span> }<a name="line.48"></a>
<span class="sourceLineNo">049</span> <a name="line.49"></a>
<span class="sourceLineNo">050</span> public void visitVarInsn(int opcode, int var) <a name="line.50"></a>
<span class="sourceLineNo">051</span> {<a name="line.51"></a>
<span class="sourceLineNo">052</span> mv.visitVarInsn(opcode, (var >= firstStackVariable) ? var + addedStackWords : var);<a name="line.52"></a>
<span class="sourceLineNo">053</span> }<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span> public void visitIincInsn(int var, int increment) {<a name="line.55"></a>
<span class="sourceLineNo">056</span> mv.visitIincInsn((var >= firstStackVariable) ? var + addedStackWords : var, increment);<a name="line.56"></a>
<span class="sourceLineNo">057</span> }<a name="line.57"></a>
<span class="sourceLineNo">058</span><a name="line.58"></a>
<span class="sourceLineNo">059</span> public void visitLocalVariable(String name, String desc, String signature, Label start, Label end, int index)<a name="line.59"></a>
<span class="sourceLineNo">060</span> {<a name="line.60"></a>
<span class="sourceLineNo">061</span> mv.visitLocalVariable(name, desc, signature, start, end, (index >= firstStackVariable) ? index + addedStackWords : index);<a name="line.61"></a>
<span class="sourceLineNo">062</span> }<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span> public int getAddedStackWords()<a name="line.64"></a>
<span class="sourceLineNo">065</span> {<a name="line.65"></a>
<span class="sourceLineNo">066</span> return addedStackWords;<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span> public int getFirstStackVariable()<a name="line.69"></a>
<span class="sourceLineNo">070</span> {<a name="line.70"></a>
<span class="sourceLineNo">071</span> return firstStackVariable;<a name="line.71"></a>
<span class="sourceLineNo">072</span> }<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>
<span class="sourceLineNo">074</span>}<a name="line.74"></a>
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