+
+ /// This method will create a new module and push it onto the "modules stack" then call
+ /// `visit_mod_contents`. Once done, it'll remove it from the "modules stack" and instead
+ /// add into into the list of modules of the current module.
+ fn enter_mod(&mut self, id: hir::HirId, m: &'tcx hir::Mod<'tcx>, name: Symbol) {
+ self.modules.push(Module::new(name, id, m.spans.inner_span));
+
+ self.visit_mod_contents(id, m);
+
+ let last = self.modules.pop().unwrap();
+ self.modules.last_mut().unwrap().mods.push(last);
+ }
+}
+
+// We need to implement this visitor so it'll go everywhere and retrieve items we're interested in
+// such as impl blocks in const blocks.
+impl<'a, 'tcx> Visitor<'tcx> for RustdocVisitor<'a, 'tcx> {
+ type NestedFilter = nested_filter::All;
+
+ fn nested_visit_map(&mut self) -> Self::Map {
+ self.cx.tcx.hir()
+ }
+
+ fn visit_item(&mut self, i: &'tcx hir::Item<'tcx>) {
+ let parent_id = if self.modules.len() > 1 {
+ Some(self.modules[self.modules.len() - 2].id)
+ } else {
+ None
+ };
+ if self.visit_item_inner(i, None, parent_id) {
+ walk_item(self, i);
+ }
+ }
+
+ fn visit_mod(&mut self, _: &hir::Mod<'tcx>, _: Span, _: hir::HirId) {
+ // Handled in `visit_item_inner`
+ }
+
+ fn visit_use(&mut self, _: &hir::UsePath<'tcx>, _: hir::HirId) {
+ // Handled in `visit_item_inner`
+ }
+
+ fn visit_path(&mut self, _: &hir::Path<'tcx>, _: hir::HirId) {
+ // Handled in `visit_item_inner`
+ }
+
+ fn visit_label(&mut self, _: &rustc_ast::Label) {
+ // Unneeded.
+ }
+
+ fn visit_infer(&mut self, _: &hir::InferArg) {
+ // Unneeded.
+ }
+
+ fn visit_lifetime(&mut self, _: &hir::Lifetime) {
+ // Unneeded.
+ }