2 use rustc_hir::itemlikevisit::ItemLikeVisitor;
3 use rustc_middle::ty::TyCtxt;
4 use rustc_session::cstore::ForeignModule;
6 crate fn collect(tcx: TyCtxt<'_>) -> Vec<ForeignModule> {
7 let mut collector = Collector { modules: Vec::new() };
8 tcx.hir().visit_all_item_likes(&mut collector);
13 modules: Vec<ForeignModule>,
16 impl ItemLikeVisitor<'tcx> for Collector {
17 fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) {
18 let items = match it.kind {
19 hir::ItemKind::ForeignMod { items, .. } => items,
23 let foreign_items = items.iter().map(|it| it.id.def_id.to_def_id()).collect();
24 self.modules.push(ForeignModule { foreign_items, def_id: it.def_id.to_def_id() });
27 fn visit_trait_item(&mut self, _it: &'tcx hir::TraitItem<'tcx>) {}
28 fn visit_impl_item(&mut self, _it: &'tcx hir::ImplItem<'tcx>) {}
29 fn visit_foreign_item(&mut self, _it: &'tcx hir::ForeignItem<'tcx>) {}