bjoernager/rust
bjoernager/rust
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This commit is contained in:
Ralf Jung 2024-12-15 09:25:11 +01:00
parent 1f8236d4c7
commit 0c9d42cc56
2 changed files with 14 additions and 30 deletions
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20
compiler/rustc_target/src/spec/mod.rs
View file

@ -2605,27 +2605,11 @@ impl TargetOptions {
}
pub(crate) fn has_feature(&self, search_feature: &str) -> bool {
self.features.split(',').any(|f| {
if let Some(f) = f.strip_prefix('+')
&& f == search_feature
{
true
} else {
false
}
})
self.features.split(',').any(|f| f.strip_prefix('+').is_some_and(|f| f == search_feature))
}
pub(crate) fn has_neg_feature(&self, search_feature: &str) -> bool {
self.features.split(',').any(|f| {
if let Some(f) = f.strip_prefix('-')
&& f == search_feature
{
true
} else {
false
}
})
self.features.split(',').any(|f| f.strip_prefix('-').is_some_and(|f| f == search_feature))
}
}

24
compiler/rustc_target/src/target_features.rs
View file

@ -105,10 +105,10 @@ impl<Toggleability> Stability<Toggleability> {
/// - for `#[target_feature]`/`-Ctarget-feature`, check `allow_toggle()`
/// - for `cfg(target_feature)`, check `in_cfg`
pub fn requires_nightly(&self) -> Option<Symbol> {
match self {
&Stability::Unstable { nightly_feature, .. } => Some(nightly_feature),
&Stability::Stable { .. } => None,
&Stability::Forbidden { .. } => panic!("forbidden features should not reach this far"),
match *self {
Stability::Unstable { nightly_feature, .. } => Some(nightly_feature),
Stability::Stable { .. } => None,
Stability::Forbidden { .. } => panic!("forbidden features should not reach this far"),
}
}
}
@ -120,21 +120,21 @@ impl StabilityUncomputed {
enable: f(target, true),
disable: f(target, false),
};
match self {
&Stable { allow_toggle } => Stable { allow_toggle: compute(allow_toggle) },
&Unstable { nightly_feature, allow_toggle } => {
match *self {
Stable { allow_toggle } => Stable { allow_toggle: compute(allow_toggle) },
Unstable { nightly_feature, allow_toggle } => {
Unstable { nightly_feature, allow_toggle: compute(allow_toggle) }
}
&Forbidden { reason } => Forbidden { reason },
Forbidden { reason } => Forbidden { reason },
}
}
pub fn toggle_allowed(&self, target: &Target, enable: bool) -> Result<(), &'static str> {
use Stability::*;
match self {
&Stable { allow_toggle } => allow_toggle(target, enable),
&Unstable { allow_toggle, .. } => allow_toggle(target, enable),
&Forbidden { reason } => Err(reason),
match *self {
Stable { allow_toggle } => allow_toggle(target, enable),
Unstable { allow_toggle, .. } => allow_toggle(target, enable),
Forbidden { reason } => Err(reason),
}
}
}