Finalize attribute grammar

2020-07-30 20:16:04 +02:00
parent e28ea81b2b
commit fcce07d2d1
6 changed files with 28 additions and 79 deletions
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -182,10 +182,7 @@ Visibility =
  ')')?

 Attr =
-  '#' '!'? '[' Path ('=' input:AttrInput)? ']'
-
-AttrInput =
-  Literal | TokenTree
+  '#' '!'? '[' Path ('=' Literal | TokenTree)? ']'

 ParenType =
  '(' TypeRef ')'