ClangSharp
binder
| ClangSharp | binder | |
|---|---|---|
| 5 | 1 | |
| 857 | 303 | |
| 1.3% | 0.3% | |
| 8.1 | 7.4 | |
| 6 days ago | 19 days ago | |
| C# | C++ | |
| MIT License | MIT License |
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ClangSharp
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The future of Clang-based tooling
One of the most surprising things I learned about "clang" was how relatively poor the "libClang" capabilities are.
I wanted to write a codegen tool that would auto-generate bindings for C++ code, and it turns out that "libTooling" is the only reasonable way to get access to the proper info you need from C++.
Another alternative is "libClangSharp", from Tanner Gooding who works on C# at Microsoft.
https://github.com/dotnet/ClangSharp
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How to make C# bindings for C++ libs
Bindings for C++ are tricky due to function name mangling and also due to ABI compat, it's basically impossible to interop with a std::vector for example. Afaik the most common approach is to PInvoke thin C wrappers around the C++ functions. There are tons of binding generators for this but they aren't without problems (not worth if you have a small API surface).
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C# calling C Shared Library
3: Throwing my work away and using ClangSharpto create the bindings, unfortunately the header file for the shared library lists other C library's that I can not find online such as > #include
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Genny – Generate Nim library bindings for many languages
I've found this to be true, with the exception that a few people have taken to "augmenting" libclang with extra bindings to libTooling functions or other C++-only methods.
Most notably is Tanner Gooding & Co's "libClangSharp" from the Microsoft "ClangSharp" project, and PathogenDavid's "Biohazrd" libraries (which again are a sort of enhanced fork based on ClangSharp):
https://github.com/microsoft/ClangSharp # See "/sources/libClangSharp" -
How can I use C definitions in .NET 5?
If you want to go down that route, clangsharp can do this for you.
binder
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The future of Clang-based tooling
Have you seen https://github.com/RosettaCommons/binder ?
python aside, having gone down this rabbithole, and still not infrequently revisiting said rabbithole, I don't believe using *clang like this a winning strategy. Because of the number of corner cases there are in eg C++17, you will end reimplementing effectively all of the "middle-end" (the parts that lower to llvm) for your target language. At that point you're building bindings anymore but a whole-ass transpiler. Binder fails to be complete in the way.
My current theory is to try "synthesize" bindings from the llvm ir (a much smaller representational surface). Problems abound here too (ABI).
What are some alternatives?
CsWin32 - A source generator to add a user-defined set of Win32 P/Invoke methods and supporting types to a C# project.
nanobind - nanobind: tiny and efficient C++/Python bindings
genny - Generate a shared library and bindings for many languages.
pybind11 - Seamless operability between C++11 and Python
c2nim - 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 before and after the translation process.
g3logPython - Python bindings for g3log
Biohazrd - A framework for automatically generating binding wrappers for C/C++ libraries
godopy - [WIP] Python scripting for the Godot game engine
nimterop - Nimterop is a Nim package that aims to make C/C++ interop seamless
node-webrtc - node-webrtc is a Node.js Native Addon that provides bindings to WebRTC M87
cakeml - CakeML: A Verified Implementation of ML
nimporter - Compile Nim Extensions for Python On Import!