rust/compiler/rustc_metadata/src/foreign_modules.rs
2022-05-20 20:04:54 -04:00

20 lines
675 B
Rust

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.def_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.def_id.to_def_id()).collect();
modules.push(ForeignModule { foreign_items, def_id: id.def_id.to_def_id() });
}
}
modules
}