Auto merge of #87044 - cjgillot:expnhash, r=petrochenkov

[rust.git] / src / librustdoc / clean / inline.rs

diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs
index 1edb855a5d63ef3901d718db3d44cffbf7a476ee..b3b89e6e673a29f1a438e3ce3d6d9ebaeab5e17b 100644 (file)
--- a/src/librustdoc/clean/inline.rs
+++ b/src/librustdoc/clean/inline.rs
@@ -15,7 +15,7 @@
 use rustc_span::symbol::{kw, sym, Symbol};
 
 use crate::clean::{
-    self, utils, Attributes, AttributesExt, FakeDefId, GetDefId, NestedAttributesExt, Type,
+    self, utils, Attributes, AttributesExt, GetDefId, ItemId, NestedAttributesExt, Type,
 };
 use crate::core::DocContext;
 use crate::formats::item_type::ItemType;
@@ -41,6 +41,7 @@
 crate fn try_inline(
     cx: &mut DocContext<'_>,
     parent_module: DefId,
+    import_def_id: Option<DefId>,
     res: Res,
     name: Symbol,
     attrs: Option<Attrs<'_>>,
@@ -108,7 +109,7 @@
             clean::ConstantItem(build_const(cx, did))
         }
         Res::Def(DefKind::Macro(kind), did) => {
-            let mac = build_macro(cx, did, name);
+            let mac = build_macro(cx, did, name, import_def_id);
 
             let type_kind = match kind {
                 MacroKind::Bang => ItemType::Macro,
@@ -123,14 +124,13 @@
 
     let (attrs, cfg) = merge_attrs(cx, Some(parent_module), load_attrs(cx, did), attrs_clone);
     cx.inlined.insert(did.into());
-    ret.push(clean::Item::from_def_id_and_attrs_and_parts(
-        did,
-        Some(name),
-        kind,
-        box attrs,
-        cx,
-        cfg,
-    ));
+    let mut item =
+        clean::Item::from_def_id_and_attrs_and_parts(did, Some(name), kind, box attrs, cx, cfg);
+    if let Some(import_def_id) = import_def_id {
+        // The visibility needs to reflect the one from the reexport and not from the "source" DefId.
+        item.visibility = cx.tcx.visibility(import_def_id).clean(cx);
+    }
+    ret.push(item);
     Some(ret)
 }
 
@@ -483,10 +483,11 @@ fn build_module(
             }
             if let Res::PrimTy(p) = item.res {
                 // Primitive types can't be inlined so generate an import instead.
+                let prim_ty = clean::PrimitiveType::from(p);
                 items.push(clean::Item {
                     name: None,
                     attrs: box clean::Attributes::default(),
-                    def_id: FakeDefId::new_fake(did.krate),
+                    def_id: ItemId::Primitive(prim_ty, did.krate),
                     visibility: clean::Public,
                     kind: box clean::ImportItem(clean::Import::new_simple(
                         item.ident.name,
@@ -495,7 +496,7 @@ fn build_module(
                                 global: false,
                                 res: item.res,
                                 segments: vec![clean::PathSegment {
-                                    name: clean::PrimitiveType::from(p).as_sym(),
+                                    name: prim_ty.as_sym(),
                                     args: clean::GenericArgs::AngleBracketed {
                                         args: Vec::new(),
                                         bindings: Vec::new(),
@@ -508,7 +509,9 @@ fn build_module(
                     )),
                     cfg: None,
                 });
-            } else if let Some(i) = try_inline(cx, did, item.res, item.ident.name, None, visited) {
+            } else if let Some(i) =
+                try_inline(cx, did, None, item.res, item.ident.name, None, visited)
+            {
                 items.extend(i)
             }
         }
@@ -542,21 +545,26 @@ fn build_static(cx: &mut DocContext<'_>, did: DefId, mutable: bool) -> clean::St
     }
 }
 
-fn build_macro(cx: &mut DocContext<'_>, did: DefId, name: Symbol) -> clean::ItemKind {
-    let imported_from = cx.tcx.crate_name(did.krate);
-    match cx.enter_resolver(|r| r.cstore().load_macro_untracked(did, cx.sess())) {
-        LoadedMacro::MacroDef(def, _) => {
-            if let ast::ItemKind::MacroDef(ref def) = def.kind {
-                let tts: Vec<_> = def.body.inner_tokens().into_trees().collect();
-                let matchers = tts.chunks(4).map(|arm| &arm[0]);
-
-                let source = format!(
-                    "macro_rules! {} {{\n{}}}",
-                    name,
-                    utils::render_macro_arms(matchers, ";")
-                );
-
-                clean::MacroItem(clean::Macro { source, imported_from: Some(imported_from) })
+fn build_macro(
+    cx: &mut DocContext<'_>,
+    def_id: DefId,
+    name: Symbol,
+    import_def_id: Option<DefId>,
+) -> clean::ItemKind {
+    let imported_from = cx.tcx.crate_name(def_id.krate);
+    match cx.enter_resolver(|r| r.cstore().load_macro_untracked(def_id, cx.sess())) {
+        LoadedMacro::MacroDef(item_def, _) => {
+            if let ast::ItemKind::MacroDef(ref def) = item_def.kind {
+                clean::MacroItem(clean::Macro {
+                    source: utils::display_macro_source(
+                        cx,
+                        name,
+                        def,
+                        def_id,
+                        cx.tcx.visibility(import_def_id.unwrap_or(def_id)),
+                    ),
+                    imported_from: Some(imported_from),
+                })
             } else {
                 unreachable!()
             }