class Object

def __binding__
  # If you ever feel like changing this method, be careful about variables
  # that you use. They shouldn't be inserted into the binding that will
  # eventually be returned.
  # When you're cd'd into a class, methods you define should be added to it.
  if is_a?(Module)
    # A special case, for JRuby.
    # Module.new.class_eval("binding") has different behaviour than CRuby,
    # where this is not needed: class_eval("binding") vs class_eval{binding}.
    # Using a block works around the difference of behaviour on JRuby.
    # The scope is clear of local variables. Don't add any.
    #
    # This fixes the following two spec failures, at https://travis-ci.org/pry/pry/jobs/274470002
    # 1) ./spec/pry_spec.rb:360:in `block in (root)'
    # 2) ./spec/pry_spec.rb:366:in `block in (root)'
    return class_eval { binding } if Pry::Helpers::Platform.jruby? && name.nil?
    # class_eval sets both self and the default definee to this class.
    return class_eval("binding", __FILE__, __LINE__)
  end
  unless self.class.method_defined?(:__pry__)
    # The easiest way to check whether an object has a working singleton class
    # is to try and define a method on it. (just checking for the presence of
    # the singleton class gives false positives for `true` and `false`).
    # __pry__ is just the closest method we have to hand, and using
    # it has the nice property that we can memoize this check.
    begin
      # instance_eval sets the default definee to the object's singleton class
      instance_eval(*Pry::BINDING_METHOD_IMPL)
    # If we can't define methods on the Object's singleton_class. Then we fall
    # back to setting the default definee to be the Object's class. That seems
    # nicer than having a REPL in which you can't define methods.
    rescue TypeError, Pry::FrozenObjectException
      # class_eval sets the default definee to self.class
      self.class.class_eval(*Pry::BINDING_METHOD_IMPL)
    end
  end
  __pry__
end