1 use crate::core::DocContext;
2 use rustc_hir::def::{DefKind, Res};
3 use rustc_hir::def_id::{DefId, DefIdSet};
4 use rustc_middle::ty::TyCtxt;
5 use rustc_resolve::Resolver;
7 // FIXME: this may not be exhaustive, but is sufficient for rustdocs current uses
10 pub(crate) struct RustdocEffectiveVisibilities {
11 extern_public: DefIdSet,
14 macro_rules! define_method {
16 pub(crate) fn $method(&self, tcx: TyCtxt<'_>, def_id: DefId) -> bool {
17 match def_id.as_local() {
18 Some(def_id) => tcx.effective_visibilities(()).$method(def_id),
19 None => self.extern_public.contains(&def_id),
25 impl RustdocEffectiveVisibilities {
26 define_method!(is_directly_public);
27 define_method!(is_exported);
28 define_method!(is_reachable);
30 pub(crate) fn init(&mut self, extern_public: DefIdSet) {
31 self.extern_public = extern_public;
35 pub(crate) fn lib_embargo_visit_item(cx: &mut DocContext<'_>, def_id: DefId) {
36 assert!(!def_id.is_local());
39 extern_public: &mut cx.cache.effective_visibilities.extern_public,
40 visited_mods: Default::default(),
45 pub(crate) fn early_lib_embargo_visit_item(
46 resolver: &Resolver<'_>,
47 extern_public: &mut DefIdSet,
51 assert!(!def_id.is_local());
52 EarlyLibEmbargoVisitor { resolver, extern_public, visited_mods: Default::default() }
53 .visit_item(def_id, is_mod)
56 /// Similar to `librustc_privacy::EmbargoVisitor`, but also takes
57 /// specific rustdoc annotations into account (i.e., `doc(hidden)`)
58 struct LibEmbargoVisitor<'a, 'tcx> {
60 // Effective visibilities for reachable nodes
61 extern_public: &'a mut DefIdSet,
62 // Keeps track of already visited modules, in case a module re-exports its parent
63 visited_mods: DefIdSet,
66 struct EarlyLibEmbargoVisitor<'r, 'ra> {
67 resolver: &'r Resolver<'ra>,
68 // Effective visibilities for reachable nodes
69 extern_public: &'r mut DefIdSet,
70 // Keeps track of already visited modules, in case a module re-exports its parent
71 visited_mods: DefIdSet,
74 impl LibEmbargoVisitor<'_, '_> {
75 fn visit_mod(&mut self, def_id: DefId) {
76 if !self.visited_mods.insert(def_id) {
80 for item in self.tcx.module_children(def_id).iter() {
81 if let Some(def_id) = item.res.opt_def_id() {
82 if item.vis.is_public() {
83 self.visit_item(def_id);
89 fn visit_item(&mut self, def_id: DefId) {
90 if !self.tcx.is_doc_hidden(def_id) {
91 self.extern_public.insert(def_id);
92 if self.tcx.def_kind(def_id) == DefKind::Mod {
93 self.visit_mod(def_id);
99 impl EarlyLibEmbargoVisitor<'_, '_> {
100 fn visit_mod(&mut self, def_id: DefId) {
101 if !self.visited_mods.insert(def_id) {
105 for item in self.resolver.cstore().module_children_untracked(def_id, self.resolver.sess()) {
106 if let Some(def_id) = item.res.opt_def_id() {
107 if item.vis.is_public() {
108 self.visit_item(def_id, matches!(item.res, Res::Def(DefKind::Mod, _)));
114 fn visit_item(&mut self, def_id: DefId, is_mod: bool) {
115 if !self.resolver.cstore().is_doc_hidden_untracked(def_id) {
116 self.extern_public.insert(def_id);
118 self.visit_mod(def_id);