public function __construct($scanner, $_symTable)
{
if (!$scanner->get()->isKeyword()) {
parent::simpleException($scanner, ['<KEYWORD>']);
}
$identifier = $scanner->get();
$scanner->next();
$valid = false;
switch ($identifier->getValue()) {
case 'break':
$valid = Globals::$switchDepth > 0;
case 'continue':
$valid |= Globals::$loopDepth > 0;
break;
case 'exit':
$valid |= Globals::$funcDepth > 0;
break;
default:
throw new \Exception("Control keyword " . $identifier->getValue() . " not implemented yet");
}
if (!$valid) {
SemanticException::illegalControlStatement($scanner, $identifier->getValue());
}
$this->identifier = $identifier;
}