diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index aab974ad79edd..302e4f20926ca 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -191,6 +191,20 @@ pub(crate) fn load_attrs<'hir>(cx: &DocContext<'hir>, did: DefId) -> &'hir [ast: cx.tcx.get_attrs_unchecked(did) } +pub(crate) fn item_relative_path(tcx: TyCtxt<'_>, def_id: DefId) -> Vec { + tcx.def_path(def_id) + .data + .into_iter() + .filter_map(|elem| { + // extern blocks (and a few others things) have an empty name. + match elem.data.get_opt_name() { + Some(s) if !s.is_empty() => Some(s), + _ => None, + } + }) + .collect() +} + /// Record an external fully qualified name in the external_paths cache. /// /// These names are used later on by HTML rendering to generate things like @@ -198,8 +212,7 @@ pub(crate) fn load_attrs<'hir>(cx: &DocContext<'hir>, did: DefId) -> &'hir [ast: pub(crate) fn record_extern_fqn(cx: &mut DocContext<'_>, did: DefId, kind: ItemType) { let crate_name = cx.tcx.crate_name(did.krate); - let relative = - cx.tcx.def_path(did).data.into_iter().filter_map(|elem| elem.data.get_opt_name()); + let relative = item_relative_path(cx.tcx, did); let fqn = if let ItemType::Macro = kind { // Check to see if it is a macro 2.0 or built-in macro if matches!( @@ -210,7 +223,7 @@ pub(crate) fn record_extern_fqn(cx: &mut DocContext<'_>, did: DefId, kind: ItemT ) { once(crate_name).chain(relative).collect() } else { - vec![crate_name, relative.last().expect("relative was empty")] + vec![crate_name, *relative.last().expect("relative was empty")] } } else { once(crate_name).chain(relative).collect() diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index ebe2f4ee6cd88..4024d2967a4ed 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -586,18 +586,7 @@ fn generate_macro_def_id_path( let crate_name = tcx.crate_name(def_id.krate); let cache = cx.cache(); - let fqp: Vec = tcx - .def_path(def_id) - .data - .into_iter() - .filter_map(|elem| { - // extern blocks (and a few others things) have an empty name. - match elem.data.get_opt_name() { - Some(s) if !s.is_empty() => Some(s), - _ => None, - } - }) - .collect(); + let fqp = clean::inline::item_relative_path(tcx, def_id); let mut relative = fqp.iter().copied(); let cstore = CStore::from_tcx(tcx); // We need this to prevent a `panic` when this function is used from intra doc links... @@ -675,18 +664,7 @@ fn generate_item_def_id_path( .map(|adt| adt.did()) .unwrap_or(def_id); - let relative: Vec = tcx - .def_path(def_id) - .data - .into_iter() - .filter_map(|elem| { - // extern blocks (and a few others things) have an empty name. - match elem.data.get_opt_name() { - Some(s) if !s.is_empty() => Some(s), - _ => None, - } - }) - .collect(); + let relative = clean::inline::item_relative_path(tcx, def_id); let fqp: Vec = once(crate_name).chain(relative).collect(); let shortty = tcx.def_kind(def_id).into();