The Art of the Metaobject Protocol
The Art of the Metaobject Protocol
Foundational actions: teaching software engineering when time is tight
Proceedings of the 11th annual SIGCSE conference on Innovation and technology in computer science education
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CLforJava is a new implementation of Common Lisp that intertwines its architecture and operation with Java. The authors describe a new architecture for a CLOS MOP that supports transparent, bi-directional access between Lisp and Java. The access requires no special techniques nor syntactic mechanisms on the part of the programmer - being either Java or Lisp. The core of the new MOP is a data structure that melds the fundamental structures of Java instances (N-tuples) and CLOS instances (2-tuples) in such a way that the respective object systems can interact without cumbersome translations. Methods from their respective object systems can interact freely. We discuss certain aspects of the respective MOPs that prevent a complete integration and replacement of one system by the other.