Method: Plugins::AroundStack::AroundWrapper#call

Defined in:
lib/plugins/around_stack.rb

#call(call_stack, *args) ⇒ Object

Raises:



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# File 'lib/plugins/around_stack.rb', line 62

def call(call_stack, *args)
  wrapped = call_stack.pop
  raise Errors::Error, 'call stack too short' unless wrapped

  define_singleton_method("perform_#{subject}") { |*new_args|
    args = new_args unless new_args.empty?
    wrapped.call(call_stack, *args)
  }

  singleton_class.instance_exec(subject) { |subject|
    alias_method subject, "perform_#{subject}"

    # Don't allow these to be overriden
    attr_reader :stack, :subject, :block
  }

  instance_exec(*args, &block)
end