| commit | 73a79ab4615438f6a3d7eb305c6fee45c81769eb | [log] [tgz] |
|---|---|---|
| author | Lukasz Anforowicz <lukasza@google.com> | Thu Jun 15 13:42:20 2023 -0700 |
| committer | Copybara-Service <copybara-worker@google.com> | Thu Jun 15 13:43:04 2023 -0700 |
| tree | bd83c436f3cb5d0a636cfc6ae18016177d922124 | |
| parent | 2aab019408472a16cddd1e4e38d46bebacf2a6f5 [diff] |
Refactoring `format_thunk_decl/impl` to take `FnSig`. Before this CL these functions would call `get_fn_sig`, but this doesn't work well for default methods provided by a trait (such as `Clone::clone_from`), because the function signature of such methods needs to be modified by substituting `self_ty` in place of `Self`. This CL also changes `format_thunk_impl` to take `fn_def_id: DefId` instead of `LocalDefId`, because methods provided by a trait (and the trait definition) may come from a different trait. PiperOrigin-RevId: 540678214
Crubit is an experimental 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