lib/rly/parse/rule_parser.rb in rly-0.2.1 vs lib/rly/parse/rule_parser.rb in rly-0.2.2

@@ -47,9 +47,12 @@
         rls.value = [r.value] + rl.value
       end
       @grammar.add_production(:rules, [:rule]) do |rl, r|
         rl.value = [r.value]
       end
+      @grammar.add_production(:rules, []) do |rl|
+        rl.value = [[]]
+      end
       @grammar.add_production(:rule, [:tokens]) do |r, tok|
         r.value = tok.value
       end
       @grammar.add_production(:tokens, [:ID, :tokens]) do |t, i, toks|
         t.value = [i.value.to_sym] + toks.value