1 files changed, 20 insertions, 0 deletions
diff --git a/ext/ripper/lib/ripper/core.rb b/ext/ripper/lib/ripper/core.rb
index f23535f567..3a50a40c83 100644
--- a/ext/ripper/lib/ripper/core.rb
+++ b/ext/ripper/lib/ripper/core.rb
@@ -176,6 +176,10 @@ class Ripper
     :int => 1,
     :ivar => 1,
     :kw => 1,
+    :label => 1,
+    :lambda => 1,
+    :lambda_arg => 1,
+    :lambeg => 1,
     :lbrace => 1,
     :lbracket => 1,
     :lparen => 1,
@@ -816,6 +820,22 @@ class Ripper
     token
   end
 
+  def on_label(token)
+    token
+  end
+
+  def on_lambda(token)
+    token
+  end
+
+  def on_lambda_arg(token)
+    token
+  end
+
+  def on_lambeg(token)
+    token
+  end
+
   def on_lbrace(token)
     token
   end