2.5. Enums#
EnumDefinition = (* enum_keyword: *) ENUM_KEYWORD
(* name: *) IDENTIFIER
(* open_brace: *) OPEN_BRACE
(* members: *) EnumMembers
(* close_brace: *) CLOSE_BRACE;
EnumMembers = ((* item: *) IDENTIFIER ((* separator: *) COMMA (* item: *) IDENTIFIER)*)?;