shady
c2nim
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shady
- How can I add graphics to my nim program?
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I learned 7 programming languages so you don't have to
I have used Nim for personal projects for 6 years now and it continues to surprise me on how well versed it is for many problem domains. I am fond of it's SPA framework, karax https://github.com/karaxnim/karax for which I wrote a translation utility https://github.com/nim-lang-cn/html2karax Latest Nimv2 release candidate has improved in the ergonomics and syntax that affect compilation to js, so I was able to cleanup my webapp's code to be less verbose. On GPU programming there has been a few projects that touch GPU programming, most notably https://github.com/treeform/shady
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Why I enjoy using the Nim programming language at Reddit.
This includes the GPU! Yep, that’s right. You can write shaders in Nim. This makes shader code much easier to write because you can debug it on the CPU and run it on the GPU. Being able to run the shader on CPU means print statements and unit tests are totally doable.
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Compile time evaluation in Nim, Zig, Rust and C++
You can do a lot with Nim at compile time, check out my talk on Nim Metaprogramming not just for FizzBuzz, but real world applications: https://fosdem.org/2022/schedule/event/nim_metaprogramming/
I am working an a macro to compile Nim code into GLSL. So not only can you write Nim to C or Nim to JS, it can also (in limited way) do Nim to GLSL GPU Shaders. See here: https://github.com/treeform/shady
I am also working on a macro system similar to SWIG, where using a some macros one can write a Nim library and generate wrappers for your NIM library for many languages like C, Python, JS, Ruby. See here: https://github.com/treeform/genny
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Building a simple room-based chat application in Nim (using HTMX)
See this as one of the examples: https://github.com/treeform/shady
It makes debugging shaders much easier as you can use print statements and unit tests. You can also share code between CPU and GPU side.
c2nim
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I learned 7 programming languages so you don't have to
Also on the game development front, I maintain a raylib wrapper https://github.com/planetis-m/naylib As long utilities like c2nim https://github.com/nim-lang/c2nim exist, it's trivial to create bindings of C/C++ libraries. One thing I want to experiment more is making it more automatic by writing a callback exposed by c2nim that transform the generated code using Nim's AST. But regardless in that project I was able to write safe language abstractions on top of the bindings that provide a more native experience. It has scope-based memory management, generics and ... function overloading.
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The way integrate Rust into Nim
Rust also has a library called safer_ffi that makes FFI easier, and I tried to use that, but the library seems to be immature, and I could not get arguments in Rust functions. If this library can be used properly, it will be possible to output C header files from Rust functions and automatically generate Nim interface functions from C header files using c2nim. We look forward to further development of this feature.
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Checked C
Well I'm 99.5% certain at least. Even now I'm uncertain of the C syntax. And I've not been bold enough to test 3rd order C function pointers. I figure that's probably C code you don't wanna touch if possible.
https://github.com/nim-lang/c2nim/blob/11f2c5363dfe7e8c7c8ce...
The other annoying one is that "signed" and "unsigned" are basically adjectives, but "long" can be both a type and a modifier. So it's difficult to parse unless you're the target C compiler. Technically you can, but you have to use backtracking.
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Nim -- a modern "glue" language like Python
c2nim is a tool to translate ANSI C code to Nim. The output is human-readable Nim code that is meant to be tweaked by hand after the translation process. If you are tired of wrapping C library, you can try futhark which supports "simply import C header files directly into Nim". Similar to futhark, cinterop allows one to interop with C/C++ code without having to create wrappers. nimLUA is a glue code generator to bind Nim and Lua together using Nim's powerful macro. nimpy and nimporter is a bridge between Nim and Python. rnim is a bridge between R and Nim. nimjl is a bridge between Nim and Julia! Last but not least, genny generates a shared library and bindings for many languages such as Python, Node.js, C.
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Genny – Generate Nim library bindings for many languages
Now if only a full binding generator for C and C++ headers to Nim was done, the language would really be cooking!
"What do you mean, Nim has two of these already?"
Yeah, I know, and -- not to hurt anyone's feelings -- but: they kind of suck. And there's no way I see them able to be extended to do the job fully, based on the way they're currently built.
Those are some bold claims to make!
So before I get stoned to death (no offense to the authors, I am grateful that they exist and have used them both) let me attempt an explanation and back up these statements.
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To start off, the two tools available are "c2nim" and "nimterop". c2nim is a Nim official library, while nimterop is a community library.
https://github.com/nim-lang/c2nim
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ffipf - quickly jump to file in a project with a native module
Yes. Nim compiles to C and has a lot of features for interacting with C code. You can easily call C routines from Nim and Nim functions from C. There's a bit of a ceremony you need to go through, but most of it can be automated with c2nim tool: https://github.com/nim-lang/c2nim
- C2nim: A tool to translate ANSI C code to Nim
What are some alternatives?
karax - Karax. Single page applications for Nim.
nimterop - Nimterop is a Nim package that aims to make C/C++ interop seamless
RFCs - A repository for your Nim proposals.
futhark - Automatic wrapping of C headers in Nim
flask_example - Simple examples of the power of flask
nimLUA - glue code generator to bind Nim and Lua together using Nim's powerful macro
pixie - Full-featured 2d graphics library for Nim.
cinterop - A C/C++ interop library for the Nim programming language
Nim - Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).
genny - Generate a shared library and bindings for many languages.
nim_emscripten_tutorial - Nim emscripten tutorial.
tinycc - Unofficial mirror of mob development branch