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Java > Open Source Codes > org > codehaus > aspectwerkz > transform > inlining > compiler > MethodExecutionJoinPointRedefiner


1 /**************************************************************************************
2  * Copyright (c) Jonas BonŽr, 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.compiler;
9
10 import org.objectweb.asm.CodeVisitor;
11 import org.objectweb.asm.Type;
12
13 import org.codehaus.aspectwerkz.transform.inlining.AsmHelper;
14
15 /**
16  * Redefines the existing join point class and turns it into a delegation class delegating to the newly created
17  * replacement join point class.
18  *
19  * @author <a HREF="mailto:jboner@codehaus.org">Jonas BonŽr </a>
20  */
21 public class MethodExecutionJoinPointRedefiner extends MethodExecutionJoinPointCompiler {
22
23     /**
24      * The redefined model.
25      */
26     private final CompilationInfo.Model m_redefinedModel;
27
28     /**
29      * Creates a new join point compiler instance.
30      *
31      * @param model
32      */
33     MethodExecutionJoinPointRedefiner(final CompilationInfo model) {
34         super(model.getInitialModel());
35         m_redefinedModel = model.getRedefinedModel();
36     }
37
38     /**
39      * Creates the 'invoke' method.
40      */
41     protected void createInvokeMethod() {
42         String JavaDoc invokeDesc = buildInvokeMethodSignature();
43         CodeVisitor cv = m_cw.visitMethod(
44                 ACC_PUBLIC + ACC_FINAL + ACC_STATIC,
45                 INVOKE_METHOD_NAME,
46                 invokeDesc,
47                 new String JavaDoc[]{
48                     THROWABLE_CLASS_NAME
49                 },
50                 null
51         );
52         AsmHelper.loadArgumentTypes(cv, Type.getArgumentTypes(invokeDesc), true);
53         cv.visitMethodInsn(INVOKESTATIC, m_redefinedModel.getJoinPointClassName(), INVOKE_METHOD_NAME, invokeDesc);
54         AsmHelper.addReturnStatement(cv, Type.getReturnType(invokeDesc));
55         cv.visitMaxs(0, 0);
56     }
57
58     /**
59      * Creates the 'invoke' method.
60      */
61     protected void createInlinedInvokeMethod() {
62         createInvokeMethod();
63     }
64 }
65
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