1 files changed, 6 insertions, 0 deletions
diff --git a/tool/lrama/lib/lrama/grammar/parameterizing_rule/rule.rb b/tool/lrama/lib/lrama/grammar/parameterizing_rule/rule.rb
index 38f0fca4ea..cc200d2fb6 100644
--- a/tool/lrama/lib/lrama/grammar/parameterizing_rule/rule.rb
+++ b/tool/lrama/lib/lrama/grammar/parameterizing_rule/rule.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Lrama
   class Grammar
     class ParameterizingRule
@@ -12,6 +14,10 @@ module Lrama
           @is_inline = is_inline
           @required_parameters_count = parameters.count
         end
+
+        def to_s
+          "#{@name}(#{@parameters.map(&:s_value).join(', ')})"
+        end
       end
     end
   end