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| author | Jubilee Young <workingjubilee@gmail.com> | 2025-03-04 16:38:07 -0800 |
|---|---|---|
| committer | Jubilee Young <workingjubilee@gmail.com> | 2025-03-04 18:21:36 -0800 |
| commit | 1f32f7bd78e26d673162a168cac01943b544090d (patch) | |
| tree | 11ccc80cfded0a0be2655db77dd936f7c162ceca | |
| parent | f9e0239a7bc813b4aceffc7f069f4797cde3175c (diff) | |
| download | rust-1f32f7bd78e26d673162a168cac01943b544090d.tar.gz rust-1f32f7bd78e26d673162a168cac01943b544090d.zip | |
compiler: add `ExternAbi::is_rustic_abi`
| -rw-r--r-- | compiler/rustc_abi/src/extern_abi.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/compiler/rustc_abi/src/extern_abi.rs b/compiler/rustc_abi/src/extern_abi.rs index 543c2f8ab12..4d70afd4e0b 100644 --- a/compiler/rustc_abi/src/extern_abi.rs +++ b/compiler/rustc_abi/src/extern_abi.rs @@ -191,6 +191,17 @@ impl StableOrd for ExternAbi { } impl ExternAbi { + /// An ABI "like Rust" + /// + /// These ABIs are fully controlled by the Rust compiler, which means they + /// - support unwinding with `-Cpanic=unwind`, unlike `extern "C"` + /// - often diverge from the C ABI + /// - are subject to change between compiler versions + pub fn is_rustic_abi(self) -> bool { + use ExternAbi::*; + matches!(self, Rust | RustCall | RustIntrinsic | RustCold) + } + pub fn supports_varargs(self) -> bool { // * C and Cdecl obviously support varargs. // * C can be based on Aapcs, SysV64 or Win64, so they must support varargs. |