1 use crate::core::DocContext;
2 use rustc_hir::def::DefKind;
3 use rustc_hir::def_id::{DefId, DefIdSet};
4 use rustc_middle::ty::TyCtxt;
6 // FIXME: this may not be exhaustive, but is sufficient for rustdocs current uses
9 pub(crate) struct RustdocEffectiveVisibilities {
10 extern_public: DefIdSet,
13 macro_rules! define_method {
15 pub(crate) fn $method(&self, tcx: TyCtxt<'_>, def_id: DefId) -> bool {
16 match def_id.as_local() {
17 Some(def_id) => tcx.effective_visibilities(()).$method(def_id),
18 None => self.extern_public.contains(&def_id),
24 impl RustdocEffectiveVisibilities {
25 define_method!(is_directly_public);
26 define_method!(is_exported);
27 define_method!(is_reachable);
30 pub(crate) fn lib_embargo_visit_item(cx: &mut DocContext<'_>, def_id: DefId) {
31 assert!(!def_id.is_local());
34 extern_public: &mut cx.cache.effective_visibilities.extern_public,
35 visited_mods: Default::default(),
40 /// Similar to `librustc_privacy::EmbargoVisitor`, but also takes
41 /// specific rustdoc annotations into account (i.e., `doc(hidden)`)
42 struct LibEmbargoVisitor<'a, 'tcx> {
44 // Effective visibilities for reachable nodes
45 extern_public: &'a mut DefIdSet,
46 // Keeps track of already visited modules, in case a module re-exports its parent
47 visited_mods: DefIdSet,
50 impl LibEmbargoVisitor<'_, '_> {
51 fn visit_mod(&mut self, def_id: DefId) {
52 if !self.visited_mods.insert(def_id) {
56 for item in self.tcx.module_children(def_id).iter() {
57 if let Some(def_id) = item.res.opt_def_id() {
58 if item.vis.is_public() {
59 self.visit_item(def_id);
65 fn visit_item(&mut self, def_id: DefId) {
66 if !self.tcx.is_doc_hidden(def_id) {
67 self.extern_public.insert(def_id);
68 if self.tcx.def_kind(def_id) == DefKind::Mod {
69 self.visit_mod(def_id);