Use symbol parameterizing_suffix? instead of `symbol | symbol param…

…eterizing_suffix`
ruby · Dec 18, 2024 · c47158c · c47158c
1 parent 77d6bd4
commit c47158c
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diff --git a/lib/lrama/parser.rb b/lib/lrama/parser.rb
diff --git a/parser.y b/parser.y
@@ -361,9 +361,15 @@ rule
                        | "+" { result = "nonempty_list" }
                        | "*" { result = "list" }
 
-  parameterizing_args: symbol { result = [val[0]] }
+  parameterizing_args: symbol parameterizing_suffix?
+                          {
+                            result = if val[1]
+                              [Lrama::Lexer::Token::InstantiateRule.new(s_value: val[1].s_value, location: @lexer.location, args: val[0])]
+                            else
+                              [val[0]]
+                            end
+                          }
                      | parameterizing_args ',' symbol { result = val[0].append(val[2]) }
-                     | symbol parameterizing_suffix { result = [Lrama::Lexer::Token::InstantiateRule.new(s_value: val[1].s_value, location: @lexer.location, args: val[0])] }
                      | IDENTIFIER "(" parameterizing_args ")" { result = [Lrama::Lexer::Token::InstantiateRule.new(s_value: val[0].s_value, location: @lexer.location, args: val[2])] }
 
   midrule_action: "{"