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1   /***************************************************************************************
2    * Copyright (c) Jonas Bonér, Alexandre Vasseur. All rights reserved.                 *
3    * http://aspectwerkz.codehaus.org                                                    *
4    * ---------------------------------------------------------------------------------- *
5    * The software in this package is published under the terms of the LGPL license      *
6    * a copy of which has been included with this distribution in the license.txt file.  *
7    **************************************************************************************/
8   package org.codehaus.aspectwerkz.transform.inlining.weaver;
9   
10  import org.objectweb.asm.ClassAdapter;
11  import org.objectweb.asm.ClassVisitor;
12  import org.objectweb.asm.CodeVisitor;
13  import org.objectweb.asm.Attribute;
14  import org.objectweb.asm.CodeAdapter;
15  import org.objectweb.asm.Label;
16  import org.codehaus.aspectwerkz.transform.inlining.ContextImpl;
17  import org.codehaus.aspectwerkz.transform.Context;
18  
19  /***
20   * @author <a href="mailto:alex AT gnilux DOT com">Alexandre Vasseur</a>
21   */
22  public class LabelToLineNumberVisitor extends ClassAdapter {
23  
24      private ContextImpl m_ctx;
25  
26      public LabelToLineNumberVisitor(ClassVisitor cv, Context ctx) {
27          super(cv);
28          m_ctx = (ContextImpl)ctx;
29      }
30  
31      public CodeVisitor visitMethod(int i, String s, String s1, String[] strings, Attribute attribute) {
32          return new CodeAdapter(super.visitMethod(i, s, s1, strings, attribute)) {
33              public void visitLineNumber(int i, Label label) {
34                  super.visitLineNumber(i, label);
35                  m_ctx.addLineNumberInfo(label, i);
36              }
37          };
38      }
39  }