Contents

• List of Figures
• Introduction
  • Scheme
  • Simulation
  • Related Work
  • Outline of this Report
• Classes, Instances, and Message Passing
  • Classes and Instances
  • Message Passing
  • Procedural Activation of Methods
• Class Hierarchies and Single Inheritance
  • The Introduction of super
  • Object Precedence Lists
  • Another Interpretation of self
• Multiple Inheritance
  • A Simple Approach
  • Shared Object Parts
  • The Object Precedence List Representation
  • Method Combination
  • Caching of Effective Methods
• Metaclasses
  • The pattern of Metaclasses
  • The most General Parts of the Class Hierarchy
  • Instantiation of Classes via Message Passing
  • Support of Metaprogramming
• Conclusions
• Program Description of Metaclasses
• References
• About this document ...