| commit | af5f0b0ae3ca1f88e924dbc05a8a42013af9476a | [log] [tgz] |
|---|---|---|
| author | Martin Brænne <mboehme@google.com> | Mon Oct 30 05:22:01 2023 -0700 |
| committer | Copybara-Service <copybara-worker@google.com> | Mon Oct 30 05:22:42 2023 -0700 |
| tree | 2d210832bd726f2ca69d7da68822e2d6b87e0866 | |
| parent | af055c18d7650a72c73dfc62b0053c16f5d092c4 [diff] |
[nullability] Eliminate redundant call to `getPointerNullState()`. I found this by running the nullability checker, and it diagnosed a dereference of a nullable pointer on the redundant call because it couldn't (of course) infer that the second call would return the same value. PiperOrigin-RevId: 577810832 Change-Id: I19e0a721b9954bb7c20d971de58502feb8fb0bbb
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