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This repository contains variations of Peter Norvig'slis.py interpreterfor a subset ofScheme,described in his post(How to Write a (Lisp) Interpreter (in Python)).

lis.py ispublishedin thenorvig/pytudes repository on Github.The copyright holder is Peter Norvig and the code is licensed under theMIT license.

Unless otherwise noted, I wrote the changes and additions described in the README files in each directory.

• Norvig, Peter:(How to Write a (Lisp) Interpreter (in Python))
• Norvig, Peter:(An ((Even Better) Lisp) Interpreter (in Python))
• Graham, Paul:The Roots of Lisp
• Steele, Guy Lewis, Jr.; Sussman, Gerald Jay:The Art of the Interpreter, or the Modularity Complex
• McCarthy, John:Recursive functions of symbolic expressions and their computation by machine, Part I 🔒

• Abelson, Harold; Sussman, Gerald Jay; Sussman, Julie:Structure and Interpretation of Computer Programs, Second Edition (SICP)
• Dybvig, R. Kent:The Scheme Programming Language, Fourth Edition (TSPL)
• Harvey, Brian; Wright, Matthew:Simply Scheme: Introducing Computer Science, Second Edition
• Friedman, Daniel P.; Felleisen, Matthias:The Little Schemer, Fourth Edition 🔒
• Butterick, Mathew:Beautiful Racket—an introduction to language-oriented programming using Racket
• Felleisen, Matthias; Findler, Robert Bruce; Flatt, Matthew; Krishnamurthi, Shriram:How to Design Programs, Second Edition
• Krishnamurthi, Shriram:Programming Languages: Application and Interpretation (PLAI)
• Sperber, Michael; et. al.Revised⁶ Report on the Algorithmic Language Scheme (R⁶RS)

• Racket: "the Language-Oriented Programming Language"
• GNU Guile: "GNU Ubiquitous Intelligent Language for Extensions"
• Chicken Scheme: "a practical and portable Scheme system"
• A Meta-Circular Interpreter for Scheme: example 12.7 from TSPL
• McCarthy's original Lisp converted to Common Lisp by Paul Graham (local copy,original download)

Luciano Ramalho
São Paulo, August 23, 2021