NOTE: This is another guest post by Felix Winkelmann, the founder and one of the current maintainers of CHICKEN Scheme. Introduction Hi! This post is about a new project of mine, called "CRUNCH", a compiler for a statically typed subset of the programming language Scheme, specifically, the R7RS (small) standard. The compiler runs on top of the CHICKEN Scheme system and produces portable C99 that c
by Matthew Plant Scheme to the Spec (in Async Rust) Scheme to the Spec is a series on the more complex, often overlooked aspects of programming language implementation. In this series we will dive deep into my work-in-progress implementation of R6RS scheme, scheme-rs, an implementation designed to integrate seamlessly with the async-rust ecosystem. Our first article discusses how to implement Garb
Last week, we released a small puzzle game called Cirkoban. Cirkoban is the very first publicly accessible application developed by Spritely that features the Goblins distributed programming library running in web browsers. We bet big on Hoot, our Scheme-to-WebAssembly compiler, a little over a year ago in order to bring Goblins to the web. That bet is starting to pay off! In this post, we’ll talk
The Spring Lisp Game Jam 2024 ended one week ago. 48 games were submitted, a new record for the jam! This past week has been a time for participants to play and rate each other’s games. As I explored the entries, I noticed two distinct meta-patterns in how people approached building games with Lisp. I think these patterns apply more broadly to all applications of Lisp. Let’s talk about these patte
Fork me on github Overview The view from above. Introduction: The Bolts and Nuts of Scheme Interpreters in Haskell Scheme syntax and semantics, as well as the Haskell implementation. Parsing Transformation of text into abstract syntax tree. Evaluation Interpretation of abstract syntax tree using monad transformers. Error Checking and Exceptions Exception handling and messages used throughout proje
;; &() is object literal used with quasiquote (let ((obj `&(:name "LIPS Scheme" :version ,lips.version))) ;; you can access JavaScript properties ;; with dot notation, print is display + newline (print (string-append obj.name " " obj.version)) ;; you can mix scheme and JavaScript (setTimeout (lambda () (alert (JSON.stringify obj))) 1000) #void) With LIPS you can mix Scheme and JavaScript. You can
Looks great, however note that it doesn't do tail calls, which are required on conforming implementations. I suspect it does tail calls on Safari as Safari is the ONLY browser to completely implement ES6+ and implement proper tail calls (I'd note that it's not the only ES6+ compliant implementation, but most of the rest are aimed at microcontrollers or embedding).
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