Method: ActiveSupport::Delegation.generate_method_missing

Defined in:

lib/active_support/delegation.rb

.generate_method_missing(owner, target, allow_nil: nil) ⇒ Object

# File 'lib/active_support/delegation.rb', line 150

def generate_method_missing(owner, target, allow_nil: nil)
  target = target.to_s
  target = "self.#{target}" if RESERVED_METHOD_NAMES.include?(target) || target == "__target"

  nil_behavior = if allow_nil
    "nil"
  else
    "::Kernel.raise ::ActiveSupport::DelegationError.nil_target(method, :'#{target}')"
  end

  owner.module_eval "    def respond_to_missing?(name, include_private = false)\n      # It may look like an oversight, but we deliberately do not pass\n      # +include_private+, because they do not get delegated.\n\n      return false if name == :marshal_dump || name == :_dump\n      \#{target}.respond_to?(name) || super\n    end\n\n    def method_missing(method, ...)\n      __target = \#{target}\n      if __target.nil? && !nil.respond_to?(method)\n        \#{nil_behavior}\n      elsif __target.respond_to?(method)\n        __target.public_send(method, ...)\n      else\n        super\n      end\n    end\n  RUBY\nend\n", __FILE__, __LINE__ + 1