Rollup merge of #101713 - Bryanskiy:AccessLevels, r=petrochenkov

change AccessLevels representation

Part of RFC (https://github.com/rust-lang/rust/issues/48054). This patch implements effective visibility table with basic methods and change AccessLevels table representation according to it.

r? ``@petrochenkov``

3 files changed, 4 insertions, 7 deletions

diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs
index c48b25aea4a..76562d26a55 100644
--- a/src/librustdoc/core.rs
+++ b/src/librustdoc/core.rs
@@ -10,7 +10,6 @@ use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{HirId, Path, TraitCandidate};
 use rustc_interface::interface;
 use rustc_middle::hir::nested_filter;
-use rustc_middle::middle::privacy::AccessLevels;
 use rustc_middle::ty::{ParamEnv, Ty, TyCtxt};
 use rustc_resolve as resolve;
 use rustc_session::config::{self, CrateType, ErrorOutputType};
@@ -364,9 +363,7 @@ pub(crate) fn run_global_ctxt(
         .copied()
         .filter(|&trait_def_id| tcx.trait_is_auto(trait_def_id))
         .collect();
-    let access_levels = AccessLevels {
-        map: tcx.privacy_access_levels(()).map.iter().map(|(k, v)| (k.to_def_id(), *v)).collect(),
-    };
+    let access_levels = tcx.privacy_access_levels(()).map_id(Into::into);
 
     let mut ctxt = DocContext {
         tcx,
diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs
index c27ac0ac40e..e6cef4a326a 100644
--- a/src/librustdoc/visit_ast.rs
+++ b/src/librustdoc/visit_ast.rs
@@ -230,7 +230,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
                     } else {
                         // All items need to be handled here in case someone wishes to link
                         // to them with intra-doc links
-                        self.cx.cache.access_levels.map.insert(did, AccessLevel::Public);
+                        self.cx.cache.access_levels.set_access_level(did, AccessLevel::Public);
                     }
                 }
             }
diff --git a/src/librustdoc/visit_lib.rs b/src/librustdoc/visit_lib.rs
index f01ec38665c..8221e0998d7 100644
--- a/src/librustdoc/visit_lib.rs
+++ b/src/librustdoc/visit_lib.rs
@@ -38,10 +38,10 @@ impl<'a, 'tcx> LibEmbargoVisitor<'a, 'tcx> {
     fn update(&mut self, did: DefId, level: Option<AccessLevel>) -> Option<AccessLevel> {
         let is_hidden = self.tcx.is_doc_hidden(did);
 
-        let old_level = self.access_levels.map.get(&did).cloned();
+        let old_level = self.access_levels.get_access_level(did);
         // Accessibility levels can only grow
         if level > old_level && !is_hidden {
-            self.access_levels.map.insert(did, level.unwrap());
+            self.access_levels.set_access_level(did, level.unwrap());
             level
         } else {
             old_level