LibClang compiled to WebAssembly so you can parse and traverse C/C++ source code anywhere, even in the browser!
It can be used in conjuction with libraries like wasm-ffi and languages which provide wasm ffi interop like the experimental dart2wasm compiler (used to make FFIgenPad)
This repository releases libclang.wasm, built with the default libclang symbols along with malloc+free, and the object/archive files to build your own binary with the necessary symbols. For direct JavaScript bindings, libclangjs might be more suitable.
- emscripten
- cmake
- ninja
- a good cpu
There are bash scripts you can use to setup, patch and build the llvm project using emscripten and then use the built archive files to build libclang.wasm.
You can also find some prebuilt archives on the releases page.
The reason why we patch the llvm-project is to provide a fake path to the main executable (which does not exist in WASM) but is useful for locating other resources and identifying default header locations.
The exports.txt file includes the symbols from llvm-project/clang/tools/libclang/libclang.map till the version being used.