39 lines
1.1 KiB
Rust
39 lines
1.1 KiB
Rust
use rustc::hir::itemlikevisit::ItemLikeVisitor;
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use rustc::hir;
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use rustc::middle::cstore::ForeignModule;
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use rustc::ty::TyCtxt;
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crate fn collect(tcx: TyCtxt<'_>) -> Vec<ForeignModule> {
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let mut collector = Collector {
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tcx,
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modules: Vec::new(),
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};
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tcx.hir().krate().visit_all_item_likes(&mut collector);
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return collector.modules;
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}
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struct Collector<'tcx> {
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tcx: TyCtxt<'tcx>,
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modules: Vec<ForeignModule>,
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}
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impl ItemLikeVisitor<'tcx> for Collector<'tcx> {
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fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) {
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let fm = match it.kind {
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hir::ItemKind::ForeignMod(ref fm) => fm,
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_ => return,
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};
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let foreign_items = fm.items.iter()
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.map(|it| self.tcx.hir().local_def_id(it.hir_id))
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.collect();
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self.modules.push(ForeignModule {
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foreign_items,
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def_id: self.tcx.hir().local_def_id(it.hir_id),
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});
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}
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fn visit_trait_item(&mut self, _it: &'tcx hir::TraitItem<'tcx>) {}
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fn visit_impl_item(&mut self, _it: &'tcx hir::ImplItem) {}
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}
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