Auto merge of #88717 - tabokie:vecdeque-fast-append, r=m-ou-se

[rust.git] / src / librustdoc / visit_ast.rs

diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs
index 4f5495a176dfc0e9598cab47f566267ca7f1e5de..36b1a14f6c1ea488f0d26af3316584a9373ff7e2 100644 (file)
--- a/src/librustdoc/visit_ast.rs
+++ b/src/librustdoc/visit_ast.rs
@@ -6,6 +6,7 @@
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::DefId;
 use rustc_hir::Node;
+use rustc_hir::CRATE_HIR_ID;
 use rustc_middle::middle::privacy::AccessLevel;
 use rustc_middle::ty::TyCtxt;
 use rustc_span;
@@ -15,7 +16,7 @@
 
 use std::mem;
 
-use crate::clean::{self, AttributesExt, NestedAttributesExt};
+use crate::clean::{self, cfg::Cfg, AttributesExt, NestedAttributesExt};
 use crate::core;
 use crate::doctree::*;
 
@@ -97,6 +98,31 @@ fn store_path(&mut self, did: DefId) {
                 }
             }
         }
+
+        self.cx.cache.hidden_cfg = self
+            .cx
+            .tcx
+            .hir()
+            .attrs(CRATE_HIR_ID)
+            .iter()
+            .filter(|attr| attr.has_name(sym::doc))
+            .flat_map(|attr| attr.meta_item_list().into_iter().flatten())
+            .filter(|attr| attr.has_name(sym::cfg_hide))
+            .flat_map(|attr| {
+                attr.meta_item_list()
+                    .unwrap_or(&[])
+                    .iter()
+                    .filter_map(|attr| {
+                        Some(
+                            Cfg::parse(attr.meta_item()?)
+                                .map_err(|e| self.cx.sess().diagnostic().span_err(e.span, e.msg))
+                                .ok()?,
+                        )
+                    })
+                    .collect::<Vec<_>>()
+            })
+            .collect();
+
         self.cx.cache.exact_paths = self.exact_paths;
         top_level_module
     }