rapidyaml
extism
rapidyaml | extism | |
---|---|---|
13 | 46 | |
517 | 3,783 | |
- | 3.6% | |
8.1 | 9.1 | |
3 days ago | 3 days ago | |
C++ | Rust | |
MIT License | BSD 3-clause "New" or "Revised" License |
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rapidyaml
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Faces.js, a JavaScript library for generating vector-based cartoon faces
Interesting, I hadn't come across extism before. How hard would it be to package https://github.com/biojppm/rapidyaml in this way? (And do you have a extism for dummies guide?)
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A convenient C string API, friendly alongside classic C strings.
The inability, or brittleness, to embed NUL bytes into the string, for once. Zeroed bytes can be valid as an internal bytes of a longer encoded character. And the inefficiency of tempting every caller to rederive the string length on every use, leading to such bugs as quadratic parsing behavior with sscanf. The extra register for an explicit length is a very minute price to pay compared to that.
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Funniest line of code you wrote while making a game?
Although you still have the other problem of sscanf, where read times can become quadratic.
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yaml-cpp VS rapidyaml - a user suggested alternative
2 projects | 5 Feb 2022
- Since this is about json parsing and the tdarr json db can take ungodly times to load, maybe it's relevant?
- Parsing can become accidentally quadratic because of sscanf
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"Expanded and Enhanced"
You are really simplifying that issue. A lot of it has to be how the implementation of sscanf works and it's super easy to abuse by complete accident when a lot of data needs to be read and parsed to correct values. See more here: https://github.com/biojppm/rapidyaml/issues/40
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Accidentally quadratic: When Python is faster than C++
Leading to eye-rolling problems like these: https://github.com/biojppm/rapidyaml/issues/40
extism
- Extism โ make all software programmable. Extend from within
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Faces.js, a JavaScript library for generating vector-based cartoon faces
Extism can be really useful for packaging up and running cross-language libraries!
The most clear information about it is at: https://extism.org, but its a bit focused on the primary use case for Extism, being a universal plugin system.
There is a C PDK (https://github.com/extism/c-pdk) which you'd probably want to use in a new wrapper around your library in C++, and compile it to wasm32 freestanding or WASI, but without emscripten. Extism doesn't currently have an interop layer to emscripten.
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Show HN: Now my pet programming language can run in the browser
It may just be my own unique obsession to peek at the internals of .wasm, but if anyone else is curious:
https://modsurfer.dylibso.com/module?hash=ab6f4b2de9db171347...
u/nbittich - curious if you've tried to use your language as as a scripting language inside other apps? I took a peak at your browser wasm environment, and think we could hook up the `compute` entrypoint you have here[0], but I'm not certain what the `ctx` does without going super deep, and if it could be passed into an Extism function[1] (which is how I'd try to run it from within 16+ other languages).
[0]: https://github.com/nbittich/adana/blob/master/adana-script-w...
[1]: https://github.com/extism/extism
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WebAssembly Playground
Yep, this is one of the initial motivations for creating Extism: https://github.com/extism/extism -- and it works across 16 host languages & 8 guest languages.
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WASI 0.2.0 and Why It Matters
On the devx, there's definitely some rough edges around building and using Wasm. My company has been working on a framework to ease integrating Wasm into existing applications. One area it focuses on is providing easy data passing between the host program and the Wasm and vice versa. https://github.com/extism/extism We do not have WASI preview 2 support yet, but are interested in integrating it.
- Extism, the universal WASM framework, reaches 1.0
- Extism, the WebAssembly framework, hits 1.0
- Extism 1.0.0 Released
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WASM by Example
Extism handles this really well across 16 or so different languages - and you donโt need to write a whole IDL / schema.
https://github.com/extism/extism
Itโs a general purpose framework for building with WebAssembly and sharing code across languages is a great way to put it to work.
What are some alternatives?
wasm3 - ๐ A fast WebAssembly interpreter and the most universal WASM runtime
wit-bindgen - A language binding generator for WebAssembly interface types
json-c - https://github.com/json-c/json-c is the official code repository for json-c. See the wiki for release tarballs for download. API docs at http://json-c.github.io/json-c/
WASI - WebAssembly System Interface
degasolv - Democratize dependency management.
wasmtime - A fast and secure runtime for WebAssembly
Vrmac - Vrmac Graphics, a cross-platform graphics library for .NET. Supports 3D, 2D, and accelerated video playback. Works on Windows 10 and Raspberry Pi4.
wasmer - ๐ The leading Wasm Runtime supporting WASIX, WASI and Emscripten
JitFromScratch - Example project from my talks in the LLVM Social Berlin and C++ User Group
jssc - Java library for talking to serial ports (with added build support for maven, cmake, MSVC)
ctl - The C Template Library
nodejs-snowflake - Generate time sortable 64 bits unique ids for distributed systems (inspired from twitter snowflake)