Automatic Program Transformation with JOIE

Geoff A. Cohen
Jeffrey S. Chase
Department of Computer Science
Duke University
{gac,chase}@cs.duke.edu

David L. Kaminsky
Application Development Technology Institute
IBM Research Triangle Park
dlk@us.ibm.com

• Introduction
• Program Transformation
  • Stages of the Program Lifecycle
  • Load-time Transformation
  • Other Related Work
• The JOIE Environment
  • The JOIE ClassLoader
  • Transformers and the ClassLoader
  • Load-time Reflection
  • Class Modification
  • Bytecode Modification
• Implementation of the JOIE Toolkit
  • ClassInfo
  • Splicing and Inserting Bytecodes
  • Modifying the Frame
  • Performance Issues
• Example Applications
  • Extending Java
  • Integrating Classes with a System Infrastructure
  • Adding Functionality to Classes
• Case Study: Automatic Observables
  • Observer/Observable
  • Observable Mixins
• The Key to Pandora's Box?
  • Debugging Transformed Code
  • Security
  • Legal Concerns
  • Usability
• Conclusion
• Acknowledgements
• References
• About this document ...

This paper was originally published in the Proceedings of the 1998 USENIX Annual Technical Conference (NO 98), New Orleans, Louisiana June 15-19, 1998 Last changed: June 11, 1998 prowillen

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