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Fix proc macro ABI version checks

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This commit is contained in:
Laurențiu Nicola 2021-11-18 10:12:29 +02:00
parent 64a73dcfba
commit 6196b928a4
1 changed files with 20 additions and 16 deletions
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20
crates/proc_macro_srv/src/abis/mod.rs
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@ -69,23 +69,27 @@ impl Abi {
symbol_name: String,
info: RustCInfo,
) -> Result<Abi, LoadProcMacroDylibError> {
if info.version.0 != 1 {
Err(LoadProcMacroDylibError::UnsupportedABI)
} else if info.version.1 < 47 {
Err(LoadProcMacroDylibError::UnsupportedABI)
} else if info.version.1 < 54 {
// FIXME: this should use exclusive ranges when they're stable
// https://github.com/rust-lang/rust/issues/37854
match (info.version.0, info.version.1) {
(1, 47..=54) => {
let inner = unsafe { Abi_1_47::from_lib(lib, symbol_name) }?;
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) }?;
Ok(Abi::Abi1_55(inner))
} else if info.version.1 < 57 {
}
(1, 56..=57) => {
let inner = unsafe { Abi_1_56::from_lib(lib, symbol_name) }?;
Ok(Abi::Abi1_56(inner))
} else {
}
(1, 58..) => {
let inner = unsafe { Abi_1_58::from_lib(lib, symbol_name) }?;
Ok(Abi::Abi1_58(inner))
}
_ => Err(LoadProcMacroDylibError::UnsupportedABI),
}
}
pub fn expand(