Just have fun with a simple and highly comprehensible C source, that implement a small List/Scheme/Clojure parser.

Big thanks to rxi to made this available under MIT licence.

Tracnac

I will update this page with my goals, later.

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A tiny, embeddable language implemented in ANSI C

(set reverse (fn (lst)
  (let res nil)
  (while lst
    (set res (cons (car lst) res))
    (set lst (cdr lst))
  )
  res
))

(set animals '("cat" "dog" "fox"))

(print (reverse animals)) ; => ("fox" "dog" "cat")

Overview

• Supports numbers, symbols, strings, pairs, lambdas, macros
• Lexically scoped variables, closures
• Small memory usage within a fixed-sized memory region — no mallocs
• Simple mark and sweep garbage collector
• hotloading library (In progress... New feature)
• Encapsuled documentation (In progress... New feature)
• Easy to use C API
• Portable ANSI C — works on 32 and 64bit
• Concise — less than 800 sloc (I will do my best :) )

---

• Demo Scripts
• C API Overview
• Language Overview
• Implementation Overview

Contributing

The library focuses on being lightweight and minimal; pull requests will likely not be merged. Bug reports and questions are welcome.

License

This library is free software; you can redistribute it and/or modify it under the terms of the MIT license. See LICENSE for details.