Think writing a compiler is difficult? It is—unless you use Parrot, a complete compiler construction kit. With Parrot, crafting a new programming language is as easy as authoring a new website.
M. Golm, und J. Kleinöder. Meta-Level Architectures and Reflection, Volume 1616 von Lecture Notes in Computer Science, Springer Berlin Heidelberg, (1999)
J. Moreira, S. Midkiff, und M. Gupta. Proceedings of the 2001 joint ACM-ISCOPE conference on Java Grande, Seite 116--125. New York, NY, USA, ACM, (2001)