off-topic 2022-05-19 | Slack Archive

mauricio.szabo03:05:47

Someone here knows WASM with emscripten? The trouble - I'm interfacing via stdin with a library, but emscripten API for it is synchronous, and the input I need to send to it is async 😞

Ulises MC09:05:14

Hi all! Somebody knows how to build a REPL on top of a compiled language? Can you recommend me a simple tutorial or a book to achieve it? I'm curious on how to build a Clojure-like REPL, i mean, you have a running program and a file with some definitions, then connect a REPL, switch to that namespace, redefine an existing value/fn and the current running program didn't stopped but executes the new definition given. Thanks!

borkdude09:05:26

The language runtime has to support something like a var indirection to make this work properly

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p-himik09:05:00

Somewhat related - there's something like it for C++ but of course they had to implement their own runtime: https://root.cern/cling/

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Ulises MC09:05:37

Sounds harder than I expected. I thought that someone without a lot of effort could create a simple REPL in any compiled language (C, C#, Rust, etc). Thanks, I'll read more about it

Cora (she/her)11:05:21

https://github.com/x-motemen/gore

folcon12:05:56

Is this what you're looking for @U02TF2JU3M4? https://buildyourownlisp.com/

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Ulises MC12:05:17

@U02N27RK69K pretty interesting 👍

Ulises MC12:05:47

@U0JUM502E That is exactly what I was looking for! Thanks!! 🙂

folcon12:05:51

😃

borkdude12:05:14