1 use rustc::hir::itemlikevisit::ItemLikeVisitor;
3 use rustc::middle::cstore::ForeignModule;
6 crate fn collect(tcx: TyCtxt<'_>) -> Vec<ForeignModule> {
7 let mut collector = Collector {
11 tcx.hir().krate().visit_all_item_likes(&mut collector);
12 return collector.modules;
15 struct Collector<'tcx> {
17 modules: Vec<ForeignModule>,
20 impl ItemLikeVisitor<'tcx> for Collector<'tcx> {
21 fn visit_item(&mut self, it: &'tcx hir::Item) {
22 let fm = match it.kind {
23 hir::ItemKind::ForeignMod(ref fm) => fm,
27 let foreign_items = fm.items.iter()
28 .map(|it| self.tcx.hir().local_def_id(it.hir_id))
30 self.modules.push(ForeignModule {
32 def_id: self.tcx.hir().local_def_id(it.hir_id),
36 fn visit_trait_item(&mut self, _it: &'tcx hir::TraitItem) {}
37 fn visit_impl_item(&mut self, _it: &'tcx hir::ImplItem) {}