protected function init()
{
/*
start -> value
obj -> obj_start obj_content obj_end
obj_content -> obj_pair obj_morecontent | e
obj_morecontent -> concat obj_pair obj_morecontent | e
obj_pair -> string assignment value
arr -> arr_start arr_content arr_end
arr_content -> value arr_morecontent | e
arr_morecontent -> concat value arr_morecontent | e
value -> string | number | obj | arr | bool
bool -> true | false
*/
$start = new Symbol("V_START");
$obj = new Symbol("V_OBJ");
$value = new Symbol("V_VALUE");
$obj_content = new Symbol("V_OBJ_CONTENT");
$obj_morecontent = new Symbol("V_OBJ_MORECONTENT");
$obj_pair = new Symbol("V_PAIR");
$arr = new Symbol("V_ARR");
$arr_content = new Symbol("V_ARR_CONTENT");
$arr_morecontent = new Symbol("V_ARR_MORECONTENT");
$bool = new Symbol("V_BOOL");
$start->consists(array($value));
$obj->consists(array(new Terminal("V_OBJ_START"), $obj_content, new Terminal("V_OBJ_END")));
$obj_content->consists(array($obj_pair, $obj_morecontent));
$obj_content->consists(array(new Terminal("V_e")));
$obj_morecontent->consists(array(new Terminal("V_CONCAT"), $obj_pair, $obj_morecontent));
$obj_morecontent->consists(array(new Terminal("V_e")));
$obj_pair->consists(array(new Terminal("V_STRING"), new Terminal("V_ASSIGNMENT"), $value));
$arr->consists(array(new Terminal("V_ARR_START"), $arr_content, new Terminal("V_ARR_END")));
$arr_content->consists(array($value, $arr_morecontent));
$arr_content->consists(array(new Terminal("V_e")));
$arr_morecontent->consists(array(new Terminal("V_CONCAT"), $value, $arr_morecontent));
$arr_morecontent->consists(array(new Terminal("V_e")));
$value->consists(array(new Terminal("V_STRING")));
$value->consists(array(new Terminal("V_NUMBER")));
$value->consists(array($bool));
$value->consists(array($obj));
$value->consists(array($arr));
$bool->consists(array(new Terminal("V_TRUE")));
$bool->consists(array(new Terminal("V_FALSE")));
$this->registerSymbol($start);
$this->registerSymbol($obj);
$this->registerSymbol($obj_content);
$this->registerSymbol($obj_morecontent);
$this->registerSymbol($obj_pair);
$this->registerSymbol($arr);
$this->registerSymbol($arr_content);
$this->registerSymbol($arr_morecontent);
$this->registerSymbol($value);
$this->registerSymbol($bool);
}
