AI Cyberspace

Mar 13, 2023 · Fundamentals

Mastering S-Expression Parsing in C: Build a Lisp Interpreter Step‑by‑Step

This article explains the concept of S‑Expressions, defines their simple syntax, and provides a complete C implementation that parses, stores, evaluates, and prints S‑Expression based Lisp code, including detailed explanations of data structures, constructors, destructors, and evaluation logic.