make macro a NameOwner

crates/ra_syntax/src/ast/generated.rs

@@ -1908,6 +1908,7 @@ impl ToOwned for MacroCall {
 }
 
 
+impl ast::NameOwner for MacroCall {}
 impl MacroCall {
     pub fn token_tree(&self) -> Option<&TokenTree> {
         super::child_opt(self)

crates/ra_syntax/src/grammar.ron

@@ -545,7 +545,10 @@ Grammar(
         "Visibility": (),
         "Name": (),
         "NameRef": (),
-        "MacroCall": ( options: [ "TokenTree", "Path" ] ),
+        "MacroCall": (
+            traits: [ "NameOwner" ],
+            options: [ "TokenTree", "Path" ],
+        ),
         "Attr": ( options: [ ["value", "TokenTree"] ] ),
         "TokenTree": (),
         "TypeParamList": (

crates/ra_syntax/src/grammar/items.rs

@@ -347,7 +347,9 @@ fn macro_call(p: &mut Parser) -> BlockLike {
 
 pub(super) fn macro_call_after_excl(p: &mut Parser) -> BlockLike {
     p.expect(EXCL);
-    p.eat(IDENT);
+    if p.at(IDENT) {
+        name(p);
+    }
     match p.current() {
         L_CURLY => {
             token_tree(p);