Refactor out `ast::MacroDef`.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/libsyntax/fold.rs b/src/libsyntax/fold.rs
index 58cf50cdc00..9aeb9ecca5a 100644
--- a/src/libsyntax/fold.rs
+++ b/src/libsyntax/fold.rs
@@ -189,6 +189,10 @@ pub trait Folder : Sized {
         // fold::noop_fold_mac(_mac, self)
     }
 
+    fn fold_macro_def(&mut self, def: MacroDef) -> MacroDef {
+        noop_fold_macro_def(def, self)
+    }
+
     fn fold_lifetime(&mut self, l: Lifetime) -> Lifetime {
         noop_fold_lifetime(l, self)
     }
@@ -515,6 +519,12 @@ pub fn noop_fold_mac<T: Folder>(Spanned {node, span}: Mac, fld: &mut T) -> Mac {
     }
 }
 
+pub fn noop_fold_macro_def<T: Folder>(def: MacroDef, fld: &mut T) -> MacroDef {
+    MacroDef {
+        tokens: fld.fold_tts(def.tokens.into()).into(),
+    }
+}
+
 pub fn noop_fold_meta_list_item<T: Folder>(li: NestedMetaItem, fld: &mut T)
     -> NestedMetaItem {
     Spanned {
@@ -919,7 +929,7 @@ pub fn noop_fold_item_kind<T: Folder>(i: ItemKind, folder: &mut T) -> ItemKind {
             items.move_flat_map(|item| folder.fold_trait_item(item)),
         ),
         ItemKind::Mac(m) => ItemKind::Mac(folder.fold_mac(m)),
-        ItemKind::MacroDef(tts) => ItemKind::MacroDef(folder.fold_tts(tts.into()).into()),
+        ItemKind::MacroDef(def) => ItemKind::MacroDef(folder.fold_macro_def(def)),
     }
 }