/**
* @param \PhpParser\Node\FunctionLike $function
* @param \PHPStan\Analyser\Scope $scope
* @param string $parameterMessage
* @param string $returnMessage
* @return string[]
*/
public function checkFunction(FunctionLike $function, Scope $scope, string $parameterMessage, string $returnMessage) : array
{
if ($function instanceof ClassMethod && $scope->getClass() !== null) {
return $this->checkParametersAcceptor($this->broker->getClass($scope->getClass())->getMethod($function->name), $parameterMessage, $returnMessage);
}
if ($function instanceof Function_) {
$functionName = $function->name;
if (isset($function->namespacedName)) {
$functionName = $function->namespacedName;
}
return $this->checkParametersAcceptor($this->broker->getFunction(new Name($functionName)), $parameterMessage, $returnMessage);
}
$errors = [];
foreach ($function->getParams() as $param) {
$class = (string) $param->type;
if ($class && !in_array($class, self::VALID_TYPEHINTS, true) && !$this->broker->hasClass($class)) {
$errors[] = sprintf($parameterMessage, $param->name, $class);
}
}
$returnType = (string) $function->getReturnType();
if ($returnType && !in_array($returnType, self::VALID_TYPEHINTS, true) && !$this->broker->hasClass($returnType)) {
$errors[] = sprintf($returnMessage, $returnType);
}
return $errors;
}
/**
* @param FunctionLike $function
*
* @return string[]
*/
private function getByRefParameters(FunctionLike $function) : array
{
$byRefParams = [];
foreach ($function->getParams() as $param) {
if ($param->byRef) {
$byRefParams[] = $param->name;
}
}
return $byRefParams;
}
/**
* {@inheritDoc}
*/
public function getParameters()
{
if (!isset($this->parameters)) {
$parameters = [];
foreach ($this->functionLikeNode->getParams() as $parameterIndex => $parameterNode) {
$reflectionParameter = new ReflectionParameter($this->getName(), $parameterNode->name, $parameterNode, $parameterIndex, $this);
$parameters[] = $reflectionParameter;
}
$this->parameters = $parameters;
}
return $this->parameters;
}
function pushFunctionScope(Node\FunctionLike $func)
{
$isStatic = true;
if ($func instanceof Node\Stmt\ClassMethod) {
$isStatic = $func->isStatic();
}
$scope = new Scope($isStatic);
foreach ($func->getParams() as $param) {
$scope->setVarType(strval($param->name), strval($param->type));
}
if ($func instanceof Node\Expr\Closure) {
$oldScope = end($this->scopeStack);
foreach ($func->uses as $variable) {
$type = $oldScope->getVarType($variable->var);
if ($type == Scope::UNDEFINED) {
$type = Scope::MIXED_TYPE;
}
$scope->setVarType($variable->var, $type);
}
}
array_push($this->scopeStack, $scope);
}
