function foo () {
  this.data=null;
  this.goto=null;
  this.act = {
    main: function () { log(this.data===null)},
    end: function () { kill()},
  }
  this.trans = {
    main:end
  }
  this.next=main
}
compile(foo,{verbose:1})
var ag = create('foo');
print(agent(ag))
start()