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use rustc_hir as hir;
use rustc_hir::def::DefKind;
use rustc_middle::ty::TyCtxt;
use rustc_session::cstore::ForeignModule;
pub(crate) fn collect(tcx: TyCtxt<'_>) -> Vec<ForeignModule> {
let mut modules = Vec::new();
for id in tcx.hir().items() {
if !matches!(tcx.def_kind(id.owner_id), DefKind::ForeignMod) {
continue;
}
let item = tcx.hir().item(id);
if let hir::ItemKind::ForeignMod { items, .. } = item.kind {
let foreign_items = items.iter().map(|it| it.id.owner_id.to_def_id()).collect();
modules.push(ForeignModule { foreign_items, def_id: id.owner_id.to_def_id() });
}
}
modules
}