47 lines
1009 B
PHP
47 lines
1009 B
PHP
|
<?php declare(strict_types = 1);
|
||
|
|
|
||
|
|
namespace Composer\PHPStanRules;
|
||
|
|
|
||
|
|
use PhpParser\Node;
|
||
|
|
use PHPStan\Analyser\Scope;
|
||
|
|
use PHPStan\Rules\Rule;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @phpstan-implements Rule<\PhpParser\Node\Expr\Variable>
|
||
|
|
*/
|
||
|
|
final class AnonymousFunctionWithThisRule implements Rule
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function getNodeType(): string
|
||
|
|
{
|
||
|
|
return \PhpParser\Node\Expr\Variable::class;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function processNode(Node $node, Scope $scope): array
|
||
|
|
{
|
||
|
|
if (!\is_string($node->name) || $node->name !== 'this') {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($scope->isInClosureBind()) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$scope->isInClass()) {
|
||
|
|
// reported in other standard rule on level 0
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($scope->isInAnonymousFunction()) {
|
||
|
|
return ['Using $this inside anonymous function is prohibited because of PHP 5.3 support.'];
|
||
|
|
}
|
||
|
|
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
}
|