Replace NestedVisitorMap with NestedFilter

compiler/rustc_privacy/src/lib.rs

@@ -12,10 +12,10 @@ use rustc_errors::struct_span_err;
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::{DefId, LocalDefId, LocalDefIdSet, CRATE_DEF_ID};
-use rustc_hir::intravisit::{self, DeepVisitor, NestedVisitorMap, Visitor};
+use rustc_hir::intravisit::{self, DeepVisitor, Visitor};
 use rustc_hir::{AssocItemKind, HirIdSet, Node, PatKind};
 use rustc_middle::bug;
-use rustc_middle::hir::map::Map;
+use rustc_middle::hir::nested_filter;
 use rustc_middle::middle::privacy::{AccessLevel, AccessLevels};
 use rustc_middle::span_bug;
 use rustc_middle::thir::abstract_const::Node as ACNode;
@@ -305,10 +305,10 @@ struct PubRestrictedVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for PubRestrictedVisitor<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::All;
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::All(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
     fn visit_vis(&mut self, vis: &'tcx hir::Visibility<'tcx>) {
         self.has_pub_restricted = self.has_pub_restricted || vis.node.is_pub_restricted();
@@ -630,12 +630,12 @@ impl<'tcx> EmbargoVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for EmbargoVisitor<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::All;
 
     /// We want to visit items in the context of their containing
     /// module and so forth, so supply a crate for doing a deep walk.
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::All(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
@@ -964,12 +964,12 @@ impl<'tcx> NamePrivacyVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for NamePrivacyVisitor<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::All;
 
     /// We want to visit items in the context of their containing
     /// module and so forth, so supply a crate for doing a deep walk.
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::All(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_mod(&mut self, _m: &'tcx hir::Mod<'tcx>, _s: Span, _n: hir::HirId) {
@@ -1093,12 +1093,12 @@ impl<'tcx> TypePrivacyVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::All;
 
     /// We want to visit items in the context of their containing
     /// module and so forth, so supply a crate for doing a deep walk.
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::All(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_mod(&mut self, _m: &'tcx hir::Mod<'tcx>, _s: Span, _n: hir::HirId) {
@@ -1395,12 +1395,6 @@ impl<'a, 'tcx> ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> {
 }
 
 impl<'a, 'b, 'tcx, 'v> Visitor<'v> for ObsoleteCheckTypeForPrivatenessVisitor<'a, 'b, 'tcx> {
-    type Map = intravisit::ErasedMap<'v>;
-
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::None
-    }
-
     fn visit_generic_arg(&mut self, generic_arg: &'v hir::GenericArg<'v>) {
         match generic_arg {
             hir::GenericArg::Type(t) => self.visit_ty(t),
@@ -1431,12 +1425,12 @@ impl<'a, 'b, 'tcx, 'v> Visitor<'v> for ObsoleteCheckTypeForPrivatenessVisitor<'a
 }
 
 impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::All;
 
     /// We want to visit items in the context of their containing
     /// module and so forth, so supply a crate for doing a deep walk.
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::All(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
@@ -1880,10 +1874,10 @@ impl<'tcx> PrivateItemsInPublicInterfacesVisitor<'tcx> {
 }
 
 impl<'tcx> Visitor<'tcx> for PrivateItemsInPublicInterfacesVisitor<'tcx> {
-    type Map = Map<'tcx>;
+    type NestedFilter = nested_filter::OnlyBodies;
 
-    fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
-        NestedVisitorMap::OnlyBodies(self.tcx.hir())
+    fn nested_visit_map(&mut self) -> Self::Map {
+        self.tcx.hir()
     }
 
     fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {