The common Lisp object system metaobject kernel: a status report

  • Authors:
  • Daniel G. Bobrow;Gregor Kiczales

  • Affiliations:
  • Xerox PARC;Xerox PARC

  • Venue:
  • LFP '88 Proceedings of the 1988 ACM conference on LISP and functional programming
  • Year:
  • 1988

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Abstract

The metaobject kernel of the Common Lisp Object System (CLOS) comprises the classes and methods that define and implement the behavior of the system. Since CLOS is an object-oriented program itself, exposing this kernel allows people to make useful integrated extensions to CLOS without changing the behavior of the system for ordinary programs, and without unwarranted loss of efficiency. This paper is organized around the classes used to implement CLOS, describing reasons for the class organization chosen, and how these classes participate in some protocols of the system.