6 files changed, 28 insertions, 19 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 7a5c92167bc..e2c8e37e11c 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -2139,18 +2139,28 @@ impl rustc_serialize::Decodable for AttrId {
     }
 }
 
+#[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
+pub struct AttrItem {
+    pub path: Path,
+    pub tokens: TokenStream,
+}
+
 /// Metadata associated with an item.
 /// Doc-comments are promoted to attributes that have `is_sugared_doc = true`.
 #[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
 pub struct Attribute {
+    pub item: AttrItem,
     pub id: AttrId,
     pub style: AttrStyle,
-    pub path: Path,
-    pub tokens: TokenStream,
     pub is_sugared_doc: bool,
     pub span: Span,
 }
 
+impl std::ops::Deref for Attribute {
+    type Target = AttrItem;
+    fn deref(&self) -> &Self::Target { &self.item }
+}
+
 /// `TraitRef`s appear in impls.
 ///
 /// Resolution maps each `TraitRef`'s `ref_id` to its defining trait; that's all
diff --git a/src/libsyntax/attr/mod.rs b/src/libsyntax/attr/mod.rs
index 122cb7fb12b..009259352ba 100644
--- a/src/libsyntax/attr/mod.rs
+++ b/src/libsyntax/attr/mod.rs
@@ -9,7 +9,7 @@ pub use StabilityLevel::*;
 pub use crate::ast::Attribute;
 
 use crate::ast;
-use crate::ast::{AttrId, AttrStyle, Name, Ident, Path, PathSegment};
+use crate::ast::{AttrItem, AttrId, AttrStyle, Name, Ident, Path, PathSegment};
 use crate::ast::{MetaItem, MetaItemKind, NestedMetaItem};
 use crate::ast::{Lit, LitKind, Expr, Item, Local, Stmt, StmtKind, GenericParam};
 use crate::mut_visit::visit_clobber;
@@ -333,10 +333,9 @@ impl Attribute {
                 DUMMY_SP,
             );
             f(&Attribute {
+                item: AttrItem { path: meta.path, tokens: meta.kind.tokens(meta.span) },
                 id: self.id,
                 style: self.style,
-                path: meta.path,
-                tokens: meta.kind.tokens(meta.span),
                 is_sugared_doc: true,
                 span: self.span,
             })
@@ -384,10 +383,9 @@ crate fn mk_attr_id() -> AttrId {
 
 pub fn mk_attr(style: AttrStyle, path: Path, tokens: TokenStream, span: Span) -> Attribute {
     Attribute {
+        item: AttrItem { path, tokens },
         id: mk_attr_id(),
         style,
-        path,
-        tokens,
         is_sugared_doc: false,
         span,
     }
@@ -408,10 +406,12 @@ pub fn mk_sugared_doc_attr(text: Symbol, span: Span) -> Attribute {
     let lit_kind = LitKind::Str(text, ast::StrStyle::Cooked);
     let lit = Lit::from_lit_kind(lit_kind, span);
     Attribute {
+        item: AttrItem {
+            path: Path::from_ident(Ident::with_dummy_span(sym::doc).with_span_pos(span)),
+            tokens: MetaItemKind::NameValue(lit).tokens(span),
+        },
         id: mk_attr_id(),
         style,
-        path: Path::from_ident(Ident::with_dummy_span(sym::doc).with_span_pos(span)),
-        tokens: MetaItemKind::NameValue(lit).tokens(span),
         is_sugared_doc: true,
         span,
     }
diff --git a/src/libsyntax/config.rs b/src/libsyntax/config.rs
index 990358c674f..a9a5c3efd06 100644
--- a/src/libsyntax/config.rs
+++ b/src/libsyntax/config.rs
@@ -151,10 +151,9 @@ impl<'a> StripUnconfigured<'a> {
             //  `#[cfg_attr(false, cfg_attr(true, some_attr))]`.
             expanded_attrs.into_iter()
             .flat_map(|(path, tokens, span)| self.process_cfg_attr(ast::Attribute {
+                item: ast::AttrItem { path, tokens },
                 id: attr::mk_attr_id(),
                 style: attr.style,
-                path,
-                tokens,
                 is_sugared_doc: false,
                 span,
             }))
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 02e7c6775a4..2b0fc5d3677 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -1,4 +1,4 @@
-use crate::ast::{self, Block, Ident, LitKind, NodeId, PatKind, Path};
+use crate::ast::{self, AttrItem, Block, Ident, LitKind, NodeId, PatKind, Path};
 use crate::ast::{MacStmtStyle, StmtKind, ItemKind};
 use crate::attr::{self, HasAttrs};
 use crate::source_map::respan;
@@ -625,9 +625,10 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
                         | Annotatable::Variant(..)
                             => panic!("unexpected annotatable"),
                     })), DUMMY_SP).into();
-                    let input = self.extract_proc_macro_attr_input(attr.tokens, span);
+                    let input = self.extract_proc_macro_attr_input(attr.item.tokens, span);
                     let tok_result = expander.expand(self.cx, span, input, item_tok);
-                    let res = self.parse_ast_fragment(tok_result, fragment_kind, &attr.path, span);
+                    let res =
+                        self.parse_ast_fragment(tok_result, fragment_kind, &attr.item.path, span);
                     self.gate_proc_macro_expansion(span, &res);
                     res
                 }
@@ -1530,11 +1531,10 @@ impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> {
 
             let meta = attr::mk_list_item(Ident::with_dummy_span(sym::doc), items);
             *at = attr::Attribute {
+                item: AttrItem { path: meta.path, tokens: meta.kind.tokens(meta.span) },
                 span: at.span,
                 id: at.id,
                 style: at.style,
-                path: meta.path,
-                tokens: meta.kind.tokens(meta.span),
                 is_sugared_doc: false,
             };
         } else {
diff --git a/src/libsyntax/mut_visit.rs b/src/libsyntax/mut_visit.rs
index 80dfe9e5be0..4b78282b787 100644
--- a/src/libsyntax/mut_visit.rs
+++ b/src/libsyntax/mut_visit.rs
@@ -550,7 +550,8 @@ pub fn noop_visit_local<T: MutVisitor>(local: &mut P<Local>, vis: &mut T) {
 }
 
 pub fn noop_visit_attribute<T: MutVisitor>(attr: &mut Attribute, vis: &mut T) {
-    let Attribute { id: _, style: _, path, tokens, is_sugared_doc: _, span } = attr;
+    let Attribute { item: AttrItem { path, tokens }, id: _, style: _, is_sugared_doc: _, span }
+        = attr;
     vis.visit_path(path);
     vis.visit_tts(tokens);
     vis.visit_span(span);
diff --git a/src/libsyntax/parse/attr.rs b/src/libsyntax/parse/attr.rs
index 44688bd36b5..707f903916c 100644
--- a/src/libsyntax/parse/attr.rs
+++ b/src/libsyntax/parse/attr.rs
@@ -151,10 +151,9 @@ impl<'a> Parser<'a> {
         };
 
         Ok(ast::Attribute {
+            item: ast::AttrItem { path, tokens },
             id: attr::mk_attr_id(),
             style,
-            path,
-            tokens,
             is_sugared_doc: false,
             span,
         })