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remove ItemLikeVisitor impls in incremental, interface, metadata and symbol_mangling crates

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Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>
This commit is contained in:
Miguel Guarniz
2022-04-07 12:29:57 -04:00
parent 28aa2dd3b4
commit 0d01ee9558
5 changed files with 24 additions and 103 deletions
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33
compiler/rustc_metadata/src/foreign_modules.rs
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@@ -1,36 +1,19 @@
use rustc_hir as hir;
use rustc_hir::itemlikevisit::ItemLikeVisitor;
use rustc_hir::def::DefKind;
use rustc_middle::ty::TyCtxt;
use rustc_session::cstore::ForeignModule;
crate fn collect(tcx: TyCtxt<'_>) -> Vec<ForeignModule> {
let mut modules = Vec::new();
for id in tcx.hir().items() {
let item = tcx.hir().item(id);
let hir::ItemKind::ForeignMod { items, .. } = item.kind else {
if !matches!(tcx.hir().def_kind(id.def_id), DefKind::ForeignMod) {
continue;
};
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() });
}
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
}
struct Collector {
modules: Vec<ForeignModule>,
}
impl<'tcx> ItemLikeVisitor<'tcx> for Collector {
fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) {
let hir::ItemKind::ForeignMod { items, .. } = it.kind else {
return;
};
let foreign_items = items.iter().map(|it| it.id.def_id.to_def_id()).collect();
self.modules.push(ForeignModule { foreign_items, def_id: it.def_id.to_def_id() });
}
fn visit_trait_item(&mut self, _it: &'tcx hir::TraitItem<'tcx>) {}
fn visit_impl_item(&mut self, _it: &'tcx hir::ImplItem<'tcx>) {}
fn visit_foreign_item(&mut self, _it: &'tcx hir::ForeignItem<'tcx>) {}
}