/**
* Generates a closure that contains PHP code calling an advice.
*
* @param TypeInfoManagerInterface $manager
* @param MethodInfoInterface $method
* @return string
*/
public function generateMethodInterceptionCode(TypeInfoManagerInterface $manager, MethodInfoInterface $method)
{
$acount = 0;
$typeInfo = $method->getDeclaringType();
$init = 'function($jp, $rval = NULL) { ';
$code = ' return $jp->getContainer()->get(' . var_export($this->typeName, true);
$code .= ')->' . $this->methodName . '(';
$advice = $manager->getTypeInfo($this->typeName)->getMethod($this->methodName);
foreach ($advice->getParameters() as $i => $param) {
if ($i != 0) {
$code .= ', ';
}
if ($param->getName() === $this->subject) {
$code .= '$jp->getSubject()';
continue;
}
if ($param->getName() === $this->returns) {
$code .= '$rval';
continue;
}
if ($this->args !== NULL && false !== ($index = array_search($param->getName(), $this->args, true))) {
$code .= '$jp->getArgument(' . var_export($index, true) . ', NULL)';
continue;
}
$ptypeName = $param->getRequiredType();
if ($ptypeName === NULL) {
throw new \RuntimeException(sprintf('Cannot populate parameter "%s" of advice %s without a type-hint', $param->getName(), $this->getInfoSignature($advice)));
}
$ptype = $manager->getTypeInfo($ptypeName);
foreach ($ptype->getSupertypes($manager, true) as $supertype) {
if ($supertype->getName() === JoinPointInterface::class) {
$code .= '$jp';
continue 2;
}
}
if (preg_match("'\\W@Annotation\\W'i", $ptype->getDocComment())) {
$anno = NULL;
if ($typeInfo->hasAnnotation($ptype->getName())) {
$anno = $typeInfo->getAnnotation($ptype->getName());
}
if ($method->hasAnnotation($ptype->getName())) {
$anno = $method->getAnnotation($ptype->getName());
}
if ($anno === NULL) {
$code .= 'NULL';
} else {
$init .= 'static $a' . $acount . '; ';
$init .= 'if($a' . $acount . ' === NULL) { $a' . $acount;
$init .= ' = ' . ParsedAnnotation::compileAnnotation($anno) . '; } ';
$code .= '$a' . $acount;
$acount++;
}
continue;
}
throw new \RuntimeException(sprintf('Cannot populate argument "%s" of advice %s using type-hint %s', $param->getName(), $this->getInfoSignature($advice), $ptype->getName()));
}
$code .= '); }';
return $init . $code;
}
