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Compiler for the B Programming Language

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85 points by ycuser2 6 months ago · 24 comments

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pveierland 6 months ago

Fun to see that it implements codegen for Uxn :)

https://github.com/tsoding/b/blob/main/src/codegen/uxn.rs

https://wiki.xxiivv.com/site/uxn.html

treyd 6 months ago

Interesting that this is in a self-developed subset/dialect of Rust called Crust which attempts to treat it as a better C, using unsafe everywhere among other things.

  • kzrdude 6 months ago

    That's a little bit interesting. It remains then a C-like language with generics, and that sounds a lot more fun than regular C. I don't yet understand the point of avoiding references or libstd, though.

    • int_19h 6 months ago

      Avoiding references means avoiding the borrow checker, and I don't think you can use much of stdlib if you avoid references...

      • lkuty 6 months ago

        At the beginning of one of his videos on Crust, he's trying to avoid stdlib exactly for that reason.

  • IshKebab 6 months ago

    I don't know why you'd see that as desirable and not use Zig. Unsafe Rust is actually harder to get right than C or Zig.

    • month13 6 months ago

      This is mainly for fun, really.

      Tsoding's main lesson is how simple systems can be and the desire and demand for complex build systems is silly.

      • IshKebab 6 months ago

        > the desire and demand for complex build systems is silly

        No it isn't. "Simple" build systems like Make don't solve many of the problems that "complex" build systems like Bazel do.

        At my current company I tried to convince my boss at the start of our project to use Bazel (it's very difficult to change build systems once your project is big), because I knew from experience it would solve many problems we would eventually run into.

        He wouldn't let me and wanted to keep things "simple". Guess what happened? Now we have to run dozens of hours of CI just to fix a typo in a comment. CI regularly breaks because people forget dependencies. Etc.

        • sureglymop 6 months ago

          Make is definitely not a simple system. In tsodings latest stream about this project he actually implemented a small build/test runner system for it that is really simple.

          But actually I would disagree with the commenter you replied to. I think the main goal of this project seems to just be doing it for fun.

          • int_19h 6 months ago

            I would argue that the baseline for a "simple build system" is DJB Redo.

avmich 6 months ago

A pretty recent work: https://github.com/sergev/BCause .

int_19h 6 months ago

Nice, but it really needs to be written in B and self-hosted.

aap_ 6 months ago

Always nice to see more B. Here's mine: https://github.com/aap/b

elvircrn 6 months ago

Had a go at this a while back: https://github.com/elvircrn/bcomp.

louis771 6 months ago

Hate to see Tsoding was using Rust for this. Rust is as far removed from recreational programming than any other language.

  • desumeku 6 months ago

    It's not rust. It's crust. https://github.com/tsoding/crust

    "The Rules of Crust

    Every function is unsafe. No references, only pointers. No cargo, build with rustc directly. No std, but libc is allowed. Only Edition 2021. All user structs and enums #[derive(Clone, Copy)]. Everything is pub by default."

  • paddw 6 months ago

    I think Rust is quite a recreational language.

    The least recreational languages are probably like Java,C#

    • renerick 6 months ago

      Idk, java maybe, but c# doesn't even require .csproj files nowadays, it's really nice to use

  • IshKebab 6 months ago

    Why? It's a great language. Very productive. Ideal for compilers too.

  • sureglymop 6 months ago

    Is this satire or did you actually watch the streams?

    He doesn't actually use rust "idiomatically". He calls this "crust":

    1. Every function is unsafe

    2. No references, only pointers

    3. No cargo, just rustc

    4. No std, only libc

    ...

    I don't know if he is sticking to these rules throughout but that was the idea in the beginning of this project.

    https://github.com/tsoding/Crust

DiabloD3 6 months ago

This is the most tsoding thing possible.

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