Debugging by Remote Reflection

  • Authors:
  • Ton Ngo;John J. Barton

  • Affiliations:
  • -;-

  • Venue:
  • Euro-Par '00 Proceedings from the 6th International Euro-Par Conference on Parallel Processing
  • Year:
  • 2000

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Abstract

Reflection in an object-oriented system allows the structure of objects and classes to be queried at run-time, thus enabling "metaobject" programming such as program debugging. Remote Reflection allows objects in one address space to reflect upon objects in a different address space. Used with a debugger, remote reflection makes available the full power of object-oriented reflection even when the object examined is within a malfunctioning or terminated system. We implemented remote reflection as an extension to an interpreter to create a very effective debugger for Jalapeño, a Java Virtual Machine written in Java.