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Fix proc macro ABI version checks
Laurențiu Nicola 2021-11-18
parent 64a73dc · commit 6196b92
-rw-r--r--crates/proc_macro_srv/src/abis/mod.rs36
1 files changed, 20 insertions, 16 deletions
diff --git a/crates/proc_macro_srv/src/abis/mod.rs b/crates/proc_macro_srv/src/abis/mod.rs
index 5d7c623b0a..0de15b4832 100644
--- a/crates/proc_macro_srv/src/abis/mod.rs
+++ b/crates/proc_macro_srv/src/abis/mod.rs
@@ -69,22 +69,26 @@ 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 {
- let inner = unsafe { Abi_1_47::from_lib(lib, symbol_name) }?;
- Ok(Abi::Abi1_47(inner))
- } else if info.version.1 < 56 {
- let inner = unsafe { Abi_1_55::from_lib(lib, symbol_name) }?;
- Ok(Abi::Abi1_55(inner))
- } else if info.version.1 < 57 {
- let inner = unsafe { Abi_1_56::from_lib(lib, symbol_name) }?;
- Ok(Abi::Abi1_56(inner))
- } else {
- let inner = unsafe { Abi_1_58::from_lib(lib, symbol_name) }?;
- Ok(Abi::Abi1_58(inner))
+ // 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))
+ }
+ (1, 55..=55) => {
+ let inner = unsafe { Abi_1_55::from_lib(lib, symbol_name) }?;
+ Ok(Abi::Abi1_55(inner))
+ }
+ (1, 56..=57) => {
+ let inner = unsafe { Abi_1_56::from_lib(lib, symbol_name) }?;
+ Ok(Abi::Abi1_56(inner))
+ }
+ (1, 58..) => {
+ let inner = unsafe { Abi_1_58::from_lib(lib, symbol_name) }?;
+ Ok(Abi::Abi1_58(inner))
+ }
+ _ => Err(LoadProcMacroDylibError::UnsupportedABI),
}
}