mirror of https://github.com/rust-lang/rust.git
Use a `LocalDefId` for `HirTyLowerer::item_def_id`, since we only ever (can) use it for local items
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@ -370,8 +370,8 @@ impl<'tcx> HirTyLowerer<'tcx> for ItemCtxt<'tcx> {
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self.tcx
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}
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fn item_def_id(&self) -> DefId {
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self.item_def_id.to_def_id()
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fn item_def_id(&self) -> LocalDefId {
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self.item_def_id
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}
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fn allow_infer(&self) -> bool {
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@ -117,7 +117,6 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen
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let mut is_trait = None;
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let mut is_default_impl_trait = None;
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// FIXME: Should ItemCtxt take a LocalDefId?
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let icx = ItemCtxt::new(tcx, def_id);
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const NO_GENERICS: &hir::Generics<'_> = hir::Generics::empty();
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@ -89,8 +89,8 @@ pub enum PredicateFilter {
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pub trait HirTyLowerer<'tcx> {
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fn tcx(&self) -> TyCtxt<'tcx>;
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/// Returns the [`DefId`] of the overarching item whose constituents get lowered.
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fn item_def_id(&self) -> DefId;
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/// Returns the [`LocalDefId`] of the overarching item whose constituents get lowered.
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fn item_def_id(&self) -> LocalDefId;
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/// Returns `true` if the current context allows the use of inference variables.
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fn allow_infer(&self) -> bool;
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@ -1493,16 +1493,15 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
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let def_id = self.item_def_id();
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debug!(item_def_id = ?def_id);
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let parent_def_id = def_id
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.as_local()
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.map(|def_id| tcx.local_def_id_to_hir_id(def_id))
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.map(|hir_id| tcx.hir().get_parent_item(hir_id).to_def_id());
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// FIXME: document why/how this is different from `tcx.local_parent(def_id)`
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let parent_def_id =
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tcx.hir().get_parent_item(tcx.local_def_id_to_hir_id(def_id)).to_def_id();
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debug!(?parent_def_id);
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// If the trait in segment is the same as the trait defining the item,
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// use the `<Self as ..>` syntax in the error.
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let is_part_of_self_trait_constraints = def_id == trait_def_id;
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let is_part_of_fn_in_self_trait = parent_def_id == Some(trait_def_id);
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let is_part_of_self_trait_constraints = def_id.to_def_id() == trait_def_id;
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let is_part_of_fn_in_self_trait = parent_def_id == trait_def_id;
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let type_names = if is_part_of_self_trait_constraints || is_part_of_fn_in_self_trait {
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vec!["Self".to_string()]
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@ -1983,7 +1982,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
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}
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let sig_generics = self.tcx().generics_of(sig_id);
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let parent = self.tcx().parent(self.item_def_id());
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let parent = self.tcx().local_parent(self.item_def_id());
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let parent_generics = self.tcx().generics_of(parent);
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let parent_is_trait = (self.tcx().def_kind(parent) == DefKind::Trait) as usize;
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@ -2022,7 +2021,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
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let sig = self.tcx().fn_sig(sig_id);
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let sig_generics = self.tcx().generics_of(sig_id);
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let parent = self.tcx().parent(self.item_def_id());
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let parent = self.tcx().local_parent(self.item_def_id());
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let parent_def_kind = self.tcx().def_kind(parent);
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let sig = if let DefKind::Impl { .. } = parent_def_kind
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@ -218,8 +218,8 @@ impl<'a, 'tcx> HirTyLowerer<'tcx> for FnCtxt<'a, 'tcx> {
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self.tcx
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}
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fn item_def_id(&self) -> DefId {
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self.body_id.to_def_id()
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fn item_def_id(&self) -> LocalDefId {
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self.body_id
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}
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fn allow_infer(&self) -> bool {
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