<?
class Debug {
    /* 
     */
    private $the_real_thing=null;
    private $the_real_api=null;
    function __construct($class_name){
        $this->the_real_thing = new $class_name();
    }

    function __call($m, $a){
        if($this->the_real_api){
            $this->the_real_api->debug(get_class($this->the_real_thing).": Calling $m from ".caller_lookup()." (from ".caller_lookup(1).")");
        }
        $result = call_user_func_array(array($this->the_real_thing,$m),$a);
        if($this->the_real_api){
            $this->the_real_api->debug(get_class($this->the_real_thing).": Returned from $m [".$this->the_real_api->bigfatfoobar."]");
        }
        return $result;
    }

    function __set($n, $v){
        if($n==='api'){
            $this->the_real_api=$v;
            $this->the_real_api->debug=1;
        }

        if($this->the_real_api){
            $this->the_real_api->debug(get_class($this->the_real_thing).": Setting $n to $v from ".caller_lookup()." (from ".caller_lookup(1).")");
        }

        $this->the_real_thing->$n=$v;
    }

    function __get($n){
        if($this->the_real_api){
            $this->the_real_api->debug(get_class($this->the_real_thing).": Reading $n=".$this->the_real_thing->$n." from ".caller_lookup()." (from ".caller_lookup(1).")");
        }


        return $this->the_real_thing->$n;
    }

    function __isset($n){
        return isset($this->the_real_thing->$n);
    }
    function __unset($n){
        unset($this->the_real_thing->$n);
    }
}