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Rewrite foreign item kind query using DefKind
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213748749e
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2e691a5c12
@ -258,27 +258,19 @@ impl<'tcx> Context for TablesWrapper<'tcx> {
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tables.tcx.is_foreign_item(tables[item])
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}
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fn foreign_item_kind(&self, def: ForeignDef) -> Option<ForeignItemKind> {
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let (def_id, hir_kind) = {
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let tables = self.0.borrow();
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let def_id = tables[def.def_id()];
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let hir_kind = tables
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.tcx
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.hir()
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.expect_foreign_item(rustc_hir::OwnerId { def_id: def_id.as_local()? })
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.kind;
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(def_id, hir_kind)
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};
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let kind = match hir_kind {
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rustc_hir::ForeignItemKind::Fn(..) => {
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ForeignItemKind::Fn(self.0.borrow_mut().fn_def(def_id))
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}
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rustc_hir::ForeignItemKind::Static(..) => {
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ForeignItemKind::Static(self.0.borrow_mut().static_def(def_id))
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}
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rustc_hir::ForeignItemKind::Type => ForeignItemKind::Type(self.def_ty(def.def_id())),
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};
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Some(kind)
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fn foreign_item_kind(&self, def: ForeignDef) -> ForeignItemKind {
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let mut tables = self.0.borrow_mut();
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let def_id = tables[def.def_id()];
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let tcx = tables.tcx;
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use rustc_hir::def::DefKind;
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match tcx.def_kind(def_id) {
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DefKind::Fn => ForeignItemKind::Fn(tables.fn_def(def_id)),
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DefKind::Static(..) => ForeignItemKind::Static(tables.static_def(def_id)),
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DefKind::ForeignTy => ForeignItemKind::Type(
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tables.intern_ty(rustc_middle::ty::Ty::new_foreign(tcx, def_id)),
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),
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def_kind => unreachable!("Unexpected kind for a foreign item: {:?}", def_kind),
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}
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}
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fn adt_kind(&self, def: AdtDef) -> AdtKind {
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@ -71,7 +71,7 @@ pub trait Context {
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fn is_foreign_item(&self, item: DefId) -> bool;
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/// Returns the kind of a given foreign item.
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fn foreign_item_kind(&self, def: ForeignDef) -> Option<ForeignItemKind>;
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fn foreign_item_kind(&self, def: ForeignDef) -> ForeignItemKind;
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/// Returns the kind of a given algebraic data type
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fn adt_kind(&self, def: AdtDef) -> AdtKind;
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@ -566,7 +566,7 @@ crate_def! {
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}
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impl ForeignDef {
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pub fn kind(&self) -> Option<ForeignItemKind> {
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pub fn kind(&self) -> ForeignItemKind {
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with(|cx| cx.foreign_item_kind(*self))
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}
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}
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@ -43,7 +43,7 @@ fn test_foreign() -> ControlFlow<()> {
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let c_items = c_mod.items();
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assert_eq!(c_items.len(), 3);
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for item in c_items {
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let kind = item.kind().unwrap();
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let kind = item.kind();
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match item.name().as_str() {
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"foo" => assert_matches!(kind, ForeignItemKind::Fn(..)),
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"bar" => assert_matches!(kind, ForeignItemKind::Static(..)),
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