protected function buildConstructor(TypeInfoInterface $type, InstrumentationInterface $instrumentation)
{
$methods = $type->getMethods();
if ($type->hasMethod('__construct')) {
// Instance creation checker...
$code = 'if(static::$K2TypeName == __CLASS__) { ';
$code .= $instrumentation->getInitializationCode();
$code .= ' }';
return $instrumentation->appendMethodCode($type->getMethod('__construct'), $code);
}
$con = NULL;
foreach ($type->getSupertypes($instrumentation->getTypeInfoManager(), true) as $supertype) {
if ($supertype->isClass() && $supertype->hasMethod('__construct')) {
$con = $supertype->getMethod('__construct');
if ($con->isAbstract()) {
continue;
}
if ($con->isFinal()) {
throw new \RuntimeException(sprintf('Unable to compile initializer into type with inherited final constructor: %s', $type->getName()));
}
break;
}
}
// No inherited constructor found, introduce standard constructor:
if ($con === NULL) {
if (empty($methods['__construct'])) {
$code = 'public function __construct() { ';
$code .= 'if(static::$K2TypeName == __CLASS__) { ';
$code .= $instrumentation->getInitializationCode();
$code .= ' }';
$code .= '}';
return $instrumentation->introduceCode($code);
}
}
// Inherited constructor found, enhance it by overloading:
$code = $instrumentation->buildMethodSignature($con) . ' { ';
$code .= 'if(func_num_args() <= ' . count($con->getParameters()) . ') { ';
$code .= 'parent::__construct(';
foreach ($con->getParameters() as $i => $param) {
if ($i != 0) {
$code .= ', ';
}
$code .= '$' . $param->getName();
}
$code .= '); } else { ';
$code .= 'forward_static_call_array([\'parent\', __FUNCTION__], func_get_args());';
$code .= ' } ';
$code .= 'if(static::$K2TypeName == __CLASS__) { ';
$code .= $instrumentation->getInitializationCode();
$code .= ' }';
$code .= ' }';
$instrumentation->introduceCode($code);
}