public function Reset($options = null) {
$this->rules = array();
self::$imports = array();
self::$has_extends = false;
self::$imports = array();
self::$contentsMap = array();
$this->env = new Less_Environment($options);
$this->env->Init();
if (is_array($options)) {
$this->SetOptions(Less_Parser::$default_options);
$this->SetOptions($options);
}
}
/**
* @param Less_Environment|array|null $env
*/
public function __construct($env = null)
{
// Top parser on an import tree must be sure there is one "env"
// which will then be passed around by reference.
if ($env instanceof Less_Environment) {
$this->env = $env;
} else {
//reset
self::$imports = array();
self::$has_extends = false;
self::$imports = array();
self::$contentsMap = array();
$this->SetOptions(Less_Parser::$default_options);
//set new options
$this->env = new Less_Environment($env);
$this->env->Init();
if (is_array($env)) {
$this->SetOptions($env);
}
}
$this->pos = $this->farthest = 0;
}