private function inferTypeForParameter(AbstractFunction $function, Parameter $param)
{
$builder = new UnionTypeBuilder($this->typeRegistry);
$index = $param->getIndex();
foreach ($function->getInCallSites() as $site) {
$args = $site->getArgs();
if (!isset($args[$index])) {
continue;
}
$builder->addAlternate($args[$index]->getPhpType());
}
$newType = $builder->build();
if (!$newType->isNoType() && !$newType->isUnknownType()) {
$param->setPhpType($newType);
}
}
private function assertInCallSites(AbstractFunction $function, array $inMethods, array $inFunctions)
{
$this->assertSame(count($inMethods) + count($inFunctions), count($function->getInCallSites()));
$this->assertSame(count($inMethods), count($function->getInMethodCallSites()));
$this->assertSame(count($inFunctions), count($function->getInFunctionCallSites()));
$i = 0;
foreach ($function->getInMethodCallSites() as $site) {
$this->assertTrue(isset($inMethods[$i]), 'Index ' . $i . ' not expected');
$this->assertSame($function, $site->getTarget());
$this->assertSame($inMethods[$i], $site->getSource());
$i += 1;
}
$i = 0;
foreach ($function->getInFunctionCallSites() as $site) {
$this->assertTrue(isset($inFunctions[$i]));
$this->assertSame($function, $site->getTarget());
$this->assertSame($inFunctions[$i], $site->getSource());
$i += 1;
}
}
private function inferTypeForParameter(AbstractFunction $function, \Scrutinizer\PhpAnalyzer\Model\Parameter $param)
{
$index = $param->getIndex();
$types = array();
foreach ($function->getInCallSites() as $site) {
$args = $site->getArgs();
if (!isset($args[$index])) {
continue;
}
$argType = $args[$index]->getPhpType();
if ($argType->isUnknownType() || $argType->isNoType()) {
continue;
}
$types[] = $argType;
}
if (null !== ($astNode = $param->getAstNode()) && null !== $astNode->default) {
$defaultType = $astNode->default->getAttribute('type');
// The default type might be null for example if a constant is assigned
// as a default value, and we could not determine the value of that constant.
if (null !== $defaultType) {
$types[] = $defaultType;
}
}
return $this->refineTypeForAnnotation($this->registry->createUnionType($types));
}
private function copyInCallSites(AbstractFunction $function, AbstractFunction $nonCachedFunction)
{
foreach ($function->getInCallSites() as $site) {
$source = $site->getSource();
$args = $site->getArgs()->getValues();
$args = array_map(function ($arg) {
return clone $arg;
}, $args);
$source->removeCallSite($site);
CallSite::create($source, $nonCachedFunction, $args);
}
}
