ulisp
Fennel
ulisp | Fennel | |
---|---|---|
33 | 91 | |
361 | 2,302 | |
- | - | |
2.6 | 9.3 | |
about 1 year ago | 6 days ago | |
C++ | Fennel | |
MIT License | MIT License |
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ulisp
- How to Write a (Lisp) Interpreter (In Python)
- Show HN: I Made a Lisp
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Lisp Badge LE
I love his projects too. He's also the creator of uLisp.
http://www.ulisp.com/
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Lisp in Space
Not CL, but there is ulisp (http://www.ulisp.com/) for microcontrollers, supposed to be really tiny, and there is Carp (https://github.com/carp-lang/Carp) which is without a GC so seems suitable for real-time stuff.
- uLisp: Lisp for Microcontrollers
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fe: A tiny, embeddable language implemented in ANSI C
There's also ulisp (for Arduino projects etc.): http://www.ulisp.com/
This is larger, because there are functions for accessing peripherals, and the core is more standard lispy with 'caadr' et.al., and it has a compacting GC, so images can be saved as a compact blob.
- ¿Any interpreted lenguage working in low memory microcontrollers?
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Anyone tried to run ECL on a Pi Pico?
You might consider uLisp, it's very Common Lispy for the memory constraints given (sans macros and splicing quote). And you can still connect to it and save an image. I've tried it and it works well enough. Here is the homepage.
- Scamp – a self-contained Forth computer
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What do you think of Forth?
Agreed - the interactivity is good. Lisp is close (have you seen http://www.ulisp.com/ - I can't believe they got into into that small a target!). Python is ok, but for some reason I don't use the REPL in the same way I do in Forth - I think calling functions is just harder somehow. Mostly is exploring valves from the Python REPL.
Fennel
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Did we lose our way in making efficient software? – ~30 MB doc file vs. browser
It's interesting: minimal software is out there, but folks don't tend to choose it. I spend a fair amount of time thinking about how to be conservative in my dependencies, and this encourages a lightweight stack that tends to perform pretty well. These days, I'm favoring tools like Lua, SQLite, Fennel[0], Althttpd[1], Fossil[2], and the Mako Server[3] and find that great, lightweight, stable, efficient software is to be had, for free, but you have to go a bit off the beaten path. This isn't stuff you hear about on Stack Overflow.
In terms of frontend, which the post focuses on (Google Docs and a 30MB doc), I guess I'm conflicted. While I tend to favor native apps + web pages, I'm also a daily Tiddlywiki user, and I really think web apps have their place (heck, one idea I'm working on is a lightweight local server that lets you run web apps like Tiddlywiki). But without a doubt, Tiddlywiki is more resource intensive than Emacs (my go-to for notetaking when I'm not on TW). My tab for a 6MB Tiddlywiki file uses 155MB of RAM, and my (heavily customized, dozens of open buffers) Emacs session uses 88MB. So I do think the author has a good point.
[0]: https://fennel-lang.org/
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Pluto, a Modern Lua Dialect
Eh it's not just luajit and luajit didn't create that problem either. It's a symptom of lua actually succeeding at its design goal of being easily embedded as an extension language. A significant number of incompatible runtimes are more popular than the most recent puc lua, including I believe the older official lua 5.2 released in 2011.
I've done a fair bit of professional lua development and I don't think I've ever written standalone up-to-date puc lua except maybe for some tooling & scripts. It's such a small language and used in such a way that the runtime, distribution method, and available APIs have much more impact on your use (and compatibility) than the version.
Virtually everyone shipping a lua environment is also shipping changes to it that make it a unique target, if only extensions to the standard library. This is why I think syntax layer-only approach like fennel's is the correct choice for improving on lua. It mirrors lua's runtime semantics exactly, and allows you to access the implementation peculiars on their own terms and so can just be run on time of any lua system.
https://fennel-lang.org
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LÖVE: a framework to make 2D games in Lua
Just learned about https://fennel-lang.org/ , could have probably used that as well to avoid Lua.
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The Bipolar Lisp Programmer
> I’m positive that there is a Lispy language out there (actually in existence, or the aether) that is appropriate for embedded work, but the constraints of the target make it difficult to envision.
Perhaps Fennel* fits the bill?
* https://fennel-lang.org/
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The Future of the Vim Project
I've also seen neovim plugins written in fennel [0], so if you want something lispy, that's possible now.
[0]: a Lisp that compiles to Lua, https://github.com/bakpakin/Fennel
- Qual a linguagem que vocês mais gostam de programar?
- Can I use elixir as the scripting language of my game engine?
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TimL: Clojure-like Lisp dialect that runs on and compiles down to Vimscript
Something similar: Fennel (https://fennel-lang.org/) is a lisp that compiles into Lua, which nvim can use as plugins, so you can write nvim plugins in a lisp. Aniseed (https://github.com/Olical/aniseed) makes this really easy.
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Announcing automation-service: write and schedule home automation scripts in Lua
If you want a more FP language on the Lua runtime, you might be interested in Fennel. I wrote a post about adding Fennel compiler to a hslua interpreter a while back, which might be useful for you.
- 916 Days of Emacs
What are some alternatives?
ecl
janet - A dynamic language and bytecode vm
Lua-RTOS-ESP32 - Lua RTOS for ESP32
urn - Yet another Lisp variant which compiles to Lua
ferret - Ferret is a free software lisp implementation for real time embedded control systems.
nvim-lspconfig - Quickstart configs for Nvim LSP
lispBM - An interpreter for a concurrent lisp-like language with message-passing and pattern-matching implemented in C.
tinyscheme - TinyScheme is easy to learn and modify. It is structured like a meta-interpreter, only it is written in C.
lua-languages - Languages that compile to Lua
quickjs-esp32 - QuickJS port for ESP32
webassembly-lua - Write and compile WebAssembly code with Lua