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Merge #10799

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10799: fix: Fix proc macro ABI version checks r=lnicola a=lnicola

If I'm reading this right, we used to pick `Abi1_55` for `1.54` and `Abi_1_58` for `1.57`.

CC `@alexjg` (just in case I'm misinterpreting the code), CC #10772.

bors r+

Co-authored-by: Laurențiu Nicola <lnicola@dend.ro>
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bors[bot] 2021-11-18 08:38:07 +00:00 • committed by GitHub
commit ea01a3aa9f
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36
crates/proc_macro_srv/src/abis/mod.rs
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@ -69,22 +69,26 @@ impl Abi {
symbol_name: String, symbol_name: String,
info: RustCInfo, info: RustCInfo,
) -> Result<Abi, LoadProcMacroDylibError> { ) -> Result<Abi, LoadProcMacroDylibError> {
if info.version.0 != 1 { // FIXME: this should use exclusive ranges when they're stable
Err(LoadProcMacroDylibError::UnsupportedABI) // https://github.com/rust-lang/rust/issues/37854
} else if info.version.1 < 47 { match (info.version.0, info.version.1) {
Err(LoadProcMacroDylibError::UnsupportedABI) (1, 47..=54) => {
} else if info.version.1 < 54 { let inner = unsafe { Abi_1_47::from_lib(lib, symbol_name) }?;
let inner = unsafe { Abi_1_47::from_lib(lib, symbol_name) }?; Ok(Abi::Abi1_47(inner))
Ok(Abi::Abi1_47(inner)) }
} else if info.version.1 < 56 { (1, 55..=55) => {
let inner = unsafe { Abi_1_55::from_lib(lib, symbol_name) }?; let inner = unsafe { Abi_1_55::from_lib(lib, symbol_name) }?;
Ok(Abi::Abi1_55(inner)) Ok(Abi::Abi1_55(inner))
} else if info.version.1 < 57 { }
let inner = unsafe { Abi_1_56::from_lib(lib, symbol_name) }?; (1, 56..=57) => {
Ok(Abi::Abi1_56(inner)) let inner = unsafe { Abi_1_56::from_lib(lib, symbol_name) }?;
} else { Ok(Abi::Abi1_56(inner))
let inner = unsafe { Abi_1_58::from_lib(lib, symbol_name) }?; }
Ok(Abi::Abi1_58(inner)) (1, 58..) => {
let inner = unsafe { Abi_1_58::from_lib(lib, symbol_name) }?;
Ok(Abi::Abi1_58(inner))
}
_ => Err(LoadProcMacroDylibError::UnsupportedABI),
} }
} }