/**
  * @param \PhpParser\Node\Expr\New_ $node
  * @param \PHPStan\Analyser\Scope $scope
  * @return string[]
  */
 public function processNode(Node $node, Scope $scope) : array
 {
     if (!$node->class instanceof \PhpParser\Node\Name) {
         return [];
     }
     $class = (string) $node->class;
     if ($class === 'static') {
         return [];
     }
     if ($class === 'self') {
         $class = $scope->getClass();
         if ($class === null) {
             return [];
         }
     }
     if (!$this->broker->hasClass($class)) {
         return [sprintf('Instantiated class %s not found.', $class)];
     }
     $classReflection = $this->broker->getClass($class);
     if ($classReflection->isInterface()) {
         return [sprintf('Cannot instantiate interface %s.', $classReflection->getName())];
     }
     if ($classReflection->isAbstract()) {
         return [sprintf('Instantiated class %s is abstract.', $classReflection->getName())];
     }
     if (!$classReflection->hasMethod('__construct') && !$classReflection->hasMethod($class)) {
         if (count($node->args) > 0) {
             return [sprintf('Class %s does not have a constructor and must be instantiated without any parameters.', $classReflection->getName())];
         }
         return [];
     }
     return $this->check->check($classReflection->hasMethod('__construct') ? $classReflection->getMethod('__construct') : $classReflection->getMethod($class), $node, ['Class ' . $classReflection->getName() . ' constructor invoked with %d parameter, %d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameters, %d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameter, at least %d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameters, at least %d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameter, %d-%d required.', 'Class ' . $classReflection->getName() . ' constructor invoked with %d parameters, %d-%d required.']);
 }
 /**
  * @param \PhpParser\Node\Expr\StaticCall $node
  * @param \PHPStan\Analyser\Scope $scope
  * @return string[]
  */
 public function processNode(Node $node, Scope $scope) : array
 {
     if (!is_string($node->name)) {
         return [];
     }
     $name = $node->name;
     $currentClass = $scope->getClass();
     if ($currentClass === null) {
         return [];
     }
     $currentClassReflection = $this->broker->getClass($currentClass);
     if (!$node->class instanceof Name) {
         return [];
     }
     $class = (string) $node->class;
     if ($class === 'self' || $class === 'static') {
         $class = $currentClass;
     }
     if ($class === 'parent') {
         if ($currentClassReflection->getParentClass() === false) {
             return [sprintf('%s::%s() calls to parent::%s() but %s does not extend any class.', $currentClass, $scope->getFunctionName(), $name, $currentClass)];
         }
         $currentMethodReflection = $currentClassReflection->getMethod($scope->getFunctionName());
         if (!$currentMethodReflection->isStatic()) {
             if ($name === '__construct' && $currentClassReflection->getParentClass()->hasMethod('__construct')) {
                 return $this->check->check($currentClassReflection->getParentClass()->getMethod('__construct'), $node, ['Parent constructor invoked with %d parameter, %d required.', 'Parent constructor invoked with %d parameters, %d required.', 'Parent constructor invoked with %d parameter, at least %d required.', 'Parent constructor invoked with %d parameters, at least %d required.', 'Parent constructor invoked with %d parameter, %d-%d required.', 'Parent constructor invoked with %d parameters, %d-%d required.']);
             }
             return [];
         }
         $class = $currentClassReflection->getParentClass()->getName();
     }
     $classReflection = $this->broker->getClass($class);
     if (!$classReflection->hasMethod($name)) {
         return [sprintf('Call to an undefined static method %s::%s().', $class, $name)];
     }
     $method = $classReflection->getMethod($name);
     if (!$method->isStatic()) {
         return [sprintf('Static call to instance method %s::%s().', $class, $method->getName())];
     }
     if ($currentClass !== null && $method->getDeclaringClass()->getName() !== $currentClass) {
         if (in_array($method->getDeclaringClass()->getName(), $currentClassReflection->getParentClassesNames(), true)) {
             if ($method->isPrivate()) {
                 return [sprintf('Call to private static method %s() of class %s.', $method->getName(), $method->getDeclaringClass()->getName())];
             }
         } else {
             if (!$method->isPublic()) {
                 return [sprintf('Call to %s static method %s() of class %s.', $method->isPrivate() ? 'private' : 'protected', $method->getName(), $method->getDeclaringClass()->getName())];
             }
         }
     }
     $methodName = $class . '::' . $method->getName() . '()';
     $errors = $this->check->check($method, $node, ['Static method ' . $methodName . ' invoked with %d parameter, %d required.', 'Static method ' . $methodName . ' invoked with %d parameters, %d required.', 'Static method ' . $methodName . ' invoked with %d parameter, at least %d required.', 'Static method ' . $methodName . ' invoked with %d parameters, at least %d required.', 'Static method ' . $methodName . ' invoked with %d parameter, %d-%d required.', 'Static method ' . $methodName . ' invoked with %d parameters, %d-%d required.']);
     if ($method->getName() !== $name) {
         $errors[] = sprintf('Call to static method %s with incorrect case: %s', $methodName, $name);
     }
     return $errors;
 }
 /**
  * @param \PhpParser\Node\Expr\FuncCall $node
  * @param \PHPStan\Analyser\Scope $scope
  * @return string[]
  */
 public function processNode(Node $node, Scope $scope) : array
 {
     if (!$node->name instanceof \PhpParser\Node\Name) {
         return [];
     }
     if (!$this->broker->hasFunction($node->name, $scope)) {
         return [];
     }
     $function = $this->broker->getFunction($node->name, $scope);
     return $this->check->check($function, $node, ['Function ' . $function->getName() . ' invoked with %d parameter, %d required.', 'Function ' . $function->getName() . ' invoked with %d parameters, %d required.', 'Function ' . $function->getName() . ' invoked with %d parameter, at least %d required.', 'Function ' . $function->getName() . ' invoked with %d parameters, at least %d required.', 'Function ' . $function->getName() . ' invoked with %d parameter, %d-%d required.', 'Function ' . $function->getName() . ' invoked with %d parameters, %d-%d required.']);
 }
Exemple #4
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 /**
  * @param \PhpParser\Node\Expr\MethodCall $node
  * @param \PHPStan\Analyser\Scope $scope
  * @return string[]
  */
 public function processNode(Node $node, Scope $scope) : array
 {
     if (!is_string($node->name)) {
         return [];
     }
     if ($this->checkThisOnly && !$this->ruleLevelHelper->isThis($node->var)) {
         return [];
     }
     $type = $scope->getType($node->var);
     if (!$type->canCallMethods()) {
         return [sprintf('Cannot call method %s() on %s.', $node->name, $type->describe())];
     }
     $methodClass = $type->getClass();
     if ($methodClass === null) {
         return [];
     }
     $name = (string) $node->name;
     if (!$this->broker->hasClass($methodClass)) {
         return [sprintf('Call to method %s() on an unknown class %s.', $name, $methodClass)];
     }
     $methodClassReflection = $this->broker->getClass($methodClass);
     if (!$methodClassReflection->hasMethod($name)) {
         $parentClassReflection = $methodClassReflection->getParentClass();
         while ($parentClassReflection !== false) {
             if ($parentClassReflection->hasMethod($name)) {
                 return [sprintf('Call to private method %s() of parent class %s.', $parentClassReflection->getMethod($name)->getName(), $parentClassReflection->getName())];
             }
             $parentClassReflection = $parentClassReflection->getParentClass();
         }
         return [sprintf('Call to an undefined method %s::%s().', $methodClassReflection->getName(), $name)];
     }
     $methodReflection = $methodClassReflection->getMethod($name);
     $messagesMethodName = $methodReflection->getDeclaringClass()->getName() . '::' . $methodReflection->getName() . '()';
     if (!$scope->canCallMethod($methodReflection)) {
         return [sprintf('Cannot call method %s from current scope.', $messagesMethodName)];
     }
     $errors = $this->check->check($methodReflection, $node, ['Method ' . $messagesMethodName . ' invoked with %d parameter, %d required.', 'Method ' . $messagesMethodName . ' invoked with %d parameters, %d required.', 'Method ' . $messagesMethodName . ' invoked with %d parameter, at least %d required.', 'Method ' . $messagesMethodName . ' invoked with %d parameters, at least %d required.', 'Method ' . $messagesMethodName . ' invoked with %d parameter, %d-%d required.', 'Method ' . $messagesMethodName . ' invoked with %d parameters, %d-%d required.']);
     if ($methodReflection->getName() !== $name) {
         $errors[] = sprintf('Call to method %s with incorrect case: %s', $messagesMethodName, $name);
     }
     return $errors;
 }