クロージャの名前

Fuga.groovy

class Hogehoge {
  def cls = {}
  static hogefuga = {}
}

cls = {}
def cls2 = {}

def method(Closure c) {
  println getDeclaredName(c)
}

def getDeclaredName(Closure c) {
  def clazz = c.class
  def field = clazz.declaredFields.find {it.type == Reference.class}
  if (field) {
    return field.name
  } else {
    def method = clazz.declaredMethods.find {it.name =~ /getCallSiteArray/}
    method.accessible = true
    return method.invoke(null)[0].name
  }

}

method {cls}
method {cls2}
method {new Hogehoge().cls}
method {Hogehoge.hogefuga}