1 files changed, 14 insertions, 0 deletions
diff --git a/activerecord/dev-utils/eval_debugger.rb b/activerecord/dev-utils/eval_debugger.rb
new file mode 100644
index 0000000000..833bc6e052
--- /dev/null
+++ b/activerecord/dev-utils/eval_debugger.rb
@@ -0,0 +1,14 @@
+# Require this file to see the methods Active Record generates as they are added.
+class Module
+  alias :old_module_eval :module_eval
+  def module_eval(*args, &block)
+    if args[0]
+      puts  "----"
+      print "module_eval in #{self.name}"
+      print ": file #{args[1]}" if args[1]
+      print " on line #{args[2]}" if args[2]
+      puts  "\n#{args[0]}"
+    end
+    old_module_eval(*args, &block)
+  end
+end