Change only_local to enum type and change the macros to always require a variant of that enum.

This commit is contained in:
surechen 2024-03-19 00:05:18 +08:00
parent 3cdcdaf31b
commit db48dfcd03
4 changed files with 279 additions and 215 deletions

File diff suppressed because it is too large Load Diff

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@ -124,7 +124,7 @@ pub fn find_feature_issue(feature: Symbol, issue: GateIssue) -> Option<NonZero<u
pub use accepted::ACCEPTED_FEATURES;
pub use builtin_attrs::AttributeDuplicates;
pub use builtin_attrs::{
deprecated_attributes, find_gated_cfg, is_builtin_attr_name, is_builtin_only_local,
deprecated_attributes, encode_cross_crate, find_gated_cfg, is_builtin_attr_name,
is_valid_for_get_attr, AttributeGate, AttributeTemplate, AttributeType, BuiltinAttribute,
GatedCfg, BUILTIN_ATTRIBUTES, BUILTIN_ATTRIBUTE_MAP,
};

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@ -817,8 +817,8 @@ struct AnalyzeAttrState {
#[inline]
fn analyze_attr(attr: &Attribute, state: &mut AnalyzeAttrState) -> bool {
let mut should_encode = false;
if rustc_feature::is_builtin_only_local(attr.name_or_empty()) {
// Attributes marked local-only don't need to be encoded for downstream crates.
if !rustc_feature::encode_cross_crate(attr.name_or_empty()) {
// Attributes not marked encode-cross-crate don't need to be encoded for downstream crates.
} else if attr.doc_str().is_some() {
// We keep all doc comments reachable to rustdoc because they might be "imported" into
// downstream crates if they use `#[doc(inline)]` to copy an item's documentation into

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@ -1752,9 +1752,8 @@ impl<'tcx> TyCtxt<'tcx> {
let filter_fn = move |a: &&ast::Attribute| a.has_name(attr);
if let Some(did) = did.as_local() {
self.hir().attrs(self.local_def_id_to_hir_id(did)).iter().filter(filter_fn)
} else if cfg!(debug_assertions) && rustc_feature::is_builtin_only_local(attr) {
bug!("tried to access the `only_local` attribute `{}` from an extern crate", attr);
} else {
debug_assert!(rustc_feature::encode_cross_crate(attr));
self.item_attrs(did).iter().filter(filter_fn)
}
}
@ -1786,12 +1785,7 @@ impl<'tcx> TyCtxt<'tcx> {
/// Determines whether an item is annotated with an attribute.
pub fn has_attr(self, did: impl Into<DefId>, attr: Symbol) -> bool {
let did: DefId = did.into();
if cfg!(debug_assertions) && !did.is_local() && rustc_feature::is_builtin_only_local(attr) {
bug!("tried to access the `only_local` attribute `{}` from an extern crate", attr);
} else {
self.get_attrs(did, attr).next().is_some()
}
self.get_attrs(did, attr).next().is_some()
}
/// Returns `true` if this is an `auto trait`.