bjoernager/rust
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Add well known values to --check-cfg implementation

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This commit is contained in:
Loïc BRANSTETT 2022-02-25 16:10:26 +01:00
parent 50e61a1a66
commit 4aa92aff05
7 changed files with 196 additions and 8 deletions
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20
compiler/rustc_target/src/spec/mod.rs
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@ -186,12 +186,16 @@ impl PanicStrategy {
}
}
pub fn desc_symbol(&self) -> Symbol {
pub const fn desc_symbol(&self) -> Symbol {
match *self {
PanicStrategy::Unwind => sym::unwind,
PanicStrategy::Abort => sym::abort,
}
}
pub const fn all() -> [Symbol; 2] {
[Self::Abort.desc_symbol(), Self::Unwind.desc_symbol()]
}
}
impl ToJson for PanicStrategy {
@ -614,7 +618,7 @@ impl SanitizerSet {
/// Return sanitizer's name
///
/// Returns none if the flags is a set of sanitizers numbering not exactly one.
fn as_str(self) -> Option<&'static str> {
pub fn as_str(self) -> Option<&'static str> {
Some(match self {
SanitizerSet::ADDRESS => "address",
SanitizerSet::CFI => "cfi",
@ -2137,6 +2141,18 @@ impl Target {
))
}
/// Load a built-in target
pub fn expect_builtin(target_triple: &TargetTriple) -> Target {
match *target_triple {
TargetTriple::TargetTriple(ref target_triple) => {
load_builtin(target_triple).expect("built-in target")
}
TargetTriple::TargetPath(..) => {
panic!("built-in targets doens't support target-paths")
}
}
}
/// Search for a JSON file specifying the given target triple.
///
/// If none is found in `$RUST_TARGET_PATH`, look for a file called `target.json` inside the