| commit | 6c243468c6c060c0425fb6ae35fa956939d7932e | [log] [tgz] |
|---|---|---|
| author | Jing Lu <lujin@google.com> | Fri Dec 15 06:11:00 2023 -0800 |
| committer | Copybara-Service <copybara-worker@google.com> | Fri Dec 15 06:12:07 2023 -0800 |
| tree | 21dfe541e25a96686453cf1d45f43911533fcf19 | |
| parent | ae0a03a5ace6acaf58e91a46664f863618f77241 [diff] |
rs_bindings_from_cc: Add helper function `DebugStringFromDecl`. So that Crubit developers can easily call this function to print clang::Decl, when debugging IR item lookup errors. PiperOrigin-RevId: 591230418 Change-Id: I1a141d313c39fd58cffee9e367f1ddd3c01a9e29
Crubit is a bidirectional bindings generator for C++ and Rust.
Please don‘t use, this is an experiment and we don’t yet know where will it take us. There will be breaking changes without warning. Unfortunately, we can't take contributions at this point.
Crubit allows for C++ code and Rust code to call each other without manually wrapping the APIs in an FFI-friendly interop layer. For example, a C++ function like this:
bool IsAbsPath(std::string_view path);
... becomes callable from Rust as if it were defined as:
pub fn IsAbsPath(path: std::string_view) -> bool {...}
Crubit automatically generates ABI-compatible bindings for structs (which can be passed both by value and by reference), functions, and methods, for a large variety of types. (Trivial types, nontrivial types, templated types, etc.)
$ apt install clang lld bazel $ git clone git@github.com:google/crubit.git $ cd crubit $ bazel build --linkopt=-fuse-ld=/usr/bin/ld.lld //rs_bindings_from_cc:rs_bindings_from_cc_impl
$ git clone https://github.com/llvm/llvm-project $ cd llvm-project $ CC=clang CXX=clang++ cmake -S llvm -B build -DLLVM_ENABLE_PROJECTS='clang' -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install $ cmake --build build -j $ # wait... $ cmake --install build $ cd ../crubit $ LLVM_INSTALL_PATH=../llvm-project/install bazel build //rs_bindings_from_cc:rs_bindings_from_cc_impl