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utena
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November 2022 monthly "What are you working on?" thread
Been working on specifying the Utena machine. My initial plan was to add registers and instructions to the SECD machine as I usually do, to fit everything we need to keep track of. Notably, the Self machine keeps track of both "explicit" and "implicit" self; the former used for sends which explicitly write out the receiver e.g. self blah, and the latter used for sends with no explicit receiver e.g. blah.
jevkalk
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November 2022 monthly "What are you working on?" thread
[1] Here's one of my tries: https://github.com/jevko/jevkalk
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Jevko: a minimal general-purpose syntax
Here is a toy language that uses Jevko as syntax that I've been hacking on a bit recently: https://github.com/jevko/jevkalk
> is doing? It sure looks to me like it's asking whether a symbol (i.e. indivisible atom) ends with an equal sign, which is semantic gibberish.
There are no symbols or indivisible atoms here.
What's happening here is parsing. `jevkoToHtml` is a kind of parser-transpiler which operates on a syntax tree, rather than a sequence of characters or tokens.
The syntax tree is the output of an earlier stage of parsing, done by the Jevko parser.
So you can think of this as multi-pass parsing, by analogy with multi-pass compilation.
At the same time as this second pass of parsing is happening, translation to HTML is happening as well.
Hope this clarifies things!
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[0] To clearly see the point, here is a toy programming language which uses Jevko as its syntax: https://github.com/jevko/jevkalk
What are some alternatives?
jevkostream.scm - (WIP) Streaming parsers for Jevko in Scheme
easyjevko.lua - An Easy Jevko library for Lua.
parsejevko.py - Simple parser for Jevko in Python.
edsl - Example of embedding TypeScript as an EDSL inside of another language
parsejevko.c - Simple parser for Jevko in C.
jevko.lua - A Jevko library for Lua.
community - Features Jevko-related things created by various authors
binary-experiments - Experiments with various binary formats based on Jevko.
nederlang - Nederlandse programmeertaal 🇳🇱. Geïnterpreteerd en met dynamische types. Met bytecode compiler en virtuele machine, in Rust.
Glide - Glide programming language