Compiling Scheme to WebAssembly

2 comments

• nhatcher 3 days ago
  Eli Bendersky's post are always insightful and interesting.

  I really would like to see a small language that compiles to wasm in the browser.

  Of course you can use things like Lua that has it's own vm also in wasm. Or Rhai with it's own interpreter. But I am looking for a language that compiles to wasm in less than 1Mb of wasm

  [-]
  • spankalee 58 minutes ago
    I'm working on a TypeScript/Swift/Dart style language, and currently this hello-world is 1444 bytes:

        export let main = () => {
          console.log("Hello, World!");
        };
    

    I'm trying to make that smaller. The binary includes the Console class, which is needed (I may be able to tree-shake the non log() methods away), but also the Error and IndexOutOfBoundsError classes which aren't needed because there are no catch() expressions.

    I think it really helps to have a language designed from the ground-up to obsess over bytes for WASM. Trying to do that with a familiar high-level language with a rich standard library is tricky.
  • tromp 1 hour ago
    Ben Lynn's page https://crypto.stanford.edu/~blynn/compiler/ compiles (a large subset of) Haskell to web assembly (which you can download; a prime number sieve yielded 40KB of code) and runs it in the browser.
  • zamadatix 1 hour ago
    C based Mandelbrot WASM demos can be ~1 KB total. Assuming you mean a simple scripting language though, Assembly Script does exactly that.
    [-]
    • spankalee 21 minutes ago
      AssemblyScript ships its own garbage collector and doesn't seem to making progress on supporting WASM GC.
  • mathisfun123 1 hour ago
    you can just compile c/c++ to wasm in the browser - there are wasi/emscripten builds of clang itself around (yosys, clang-repl, etc).
• dleslie 59 minutes ago
  Related: the uLisp assembler. It's small, elegant, and well-documented.

  http://www.ulisp.com/show?2Z88