e5872990d1
Add a check confirming that features referenced in `implied_by` meta items actually exist. Signed-off-by: David Wood <david.wood@huawei.com>
37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
pub mod codegen_fn_attrs;
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pub mod dependency_format;
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pub mod exported_symbols;
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pub mod lang_items;
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pub mod lib_features {
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use rustc_data_structures::fx::FxHashMap;
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use rustc_span::{symbol::Symbol, Span};
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#[derive(HashStable, Debug)]
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pub struct LibFeatures {
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/// A map from feature to stabilisation version.
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pub stable: FxHashMap<Symbol, (Symbol, Span)>,
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pub unstable: FxHashMap<Symbol, Span>,
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}
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impl LibFeatures {
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pub fn to_vec(&self) -> Vec<(Symbol, Option<Symbol>)> {
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let mut all_features: Vec<_> = self
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.stable
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.iter()
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.map(|(f, (s, _))| (*f, Some(*s)))
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.chain(self.unstable.iter().map(|(f, _)| (*f, None)))
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.collect();
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all_features.sort_unstable_by(|a, b| a.0.as_str().partial_cmp(b.0.as_str()).unwrap());
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all_features
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}
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}
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}
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pub mod limits;
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pub mod privacy;
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pub mod region;
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pub mod resolve_lifetime;
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pub mod stability;
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pub fn provide(providers: &mut crate::ty::query::Providers) {
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limits::provide(providers);
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}
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