cib
wefx
cib | wefx | |
---|---|---|
5 | 4 | |
825 | 28 | |
- | - | |
0.0 | 4.9 | |
over 1 year ago | 4 months ago | |
C++ | C | |
- | GNU General Public License v3.0 or later |
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cib
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Compile and execute C++ in browser
[2]: https://tbfleming.github.io/cib/
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Using Firecracker and Go to run short-lived, untrusted code execution jobs
Here are some more ports of LLVM and clang to the browser:
* https://github.com/kripken/llvm-js
* https://github.com/tbfleming/cib
* https://github.com/jprendes/emception
LLVM just does pure computation, really, so it's not hard to port to wasm - much simple than say Python (which has also been ported several times). The only challenges with LLVM are the build system (which has self-execution), working around some issues like clang wanting to open a subprocess, and adding some ifdefs.
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Show HN: How to compile C/C++ for WASM, pure Clang, no libs, no framework
That is half of what I would need for a project, the other half being Clang itself running in the browser (to use for teaching), in theory there is [1] since many years, but in practice it never worked for me (even now I get "Runtime error: memory access out of bounds")
[1] https://tbfleming.github.io/cib/
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Do any Browser Based C Static Code Analysis Tools Exist?
It seems that there's a project doing exactly that: https://github.com/tbfleming/cib
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Rust programming concepts for JavaScript developers
It takes some work (mostly due to LLVM building code to run later in its build system as it goes), but it's very feasible. LLVM has been ported to Wasm (and before that to JS) many times, for example:
https://github.com/jprendes/emception (2021)
https://github.com/tbfleming/cib (2017)
https://github.com/kripken/llvm.js (2012)
I agree it would be great to see this repl running 100% in the browser!
wefx
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Cheerp 3.0: The most advanced C++ compiler for the Web now permissively licensed
I'm particularly curious on what parts cheerp adds to their clang+llvm base. Presumably it's something like the C standard target library for WASM/JS?
For reference, here's examples of what you could do with the baseline clang with wasm (but not JS?) [1] [2] [3], referenced from a similar thread on HN.
[1] https://github.com/ern0/howto-wasm-minimal
[2] https://github.com/robrohan/wefx
[3] https://github.com/PetterS/clang-wasm
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The Tools I Use to Write Books (2018)
I've used a similar pipeline to create "books for code and infrastructure". A/k/a coding in a somewhat literate programming style. Similar to what is described here:
gemini://gemini.robrohan.com/2022-04-23-narrative-programming.md
With output that looks similar to this: https://github.com/robrohan/wefx/blob/main/docs/manual.pdf
Using a github action like this: https://github.com/robrohan/wefx/blob/main/.github/workflows...
(most of the code borrowed from those projects)
You can do it with just plain markdown files and use directories for chapters / organization if you're just going for prose.
I've thought about using the process to try to make open textbooks where you can mix and match chapters, but I don't have any experience in that field.
Anyway, can confirm, it's an incredibly useful process.
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Show HN: How to compile C/C++ for WASM, pure Clang, no libs, no framework
Not trying to steal your thunder, but here is another nostdlib clang -> wasm example with malloc, a few math functions, rand, and writing to a canvas doing animation.
=> https://github.com/robrohan/wefx
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Implementing Cosine in C from Scratch
I haven’t seen this version mentioned in the thread - if you don’t need a lot of precision, here is a simple 4 line version[1] and here’s how it works[2].
Not sure who initially came up with it.
[1] https://github.com/robrohan/wefx/blob/1a918cc2d5ad87402a3830...
[2] https://www.desmos.com/calculator/lo7cf60mjz
What are some alternatives?
skybison - A fork of Instagram's experimental performance oriented greenfield implementation of Python. It features small objects; a moving GC; hidden classes; bytecode inline caching; type-specialized bytecode; an experimental template JIT.
pure-data - Pure Data - a free real-time computer music system
clang-wasm - How to build webassembly files with nothing other than standard Clang/llvm.
chip8-book - An introduction to Chip-8 emulation using Rust
howto-wasm-minimal - How to create minimal wasm module with plain C/C++
wasm-fizzbuzz - WebAssembly from Scratch: From FizzBuzz to DooM.
wajic - WebAssembly JavaScript Interface Creator
musl - unofficial musl mirror git://git.musl-libc.org/musl
emception - Run Emscripten in the browser
v7unix - Version 7 Unix for a POSIX world