rector/rules/Php55/Rector/ClassConstFetch/StaticToSelfOnFinalClassRec...

84 lines
2.3 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\Php55\Rector\ClassConstFetch;
use PhpParser\Node;
use PhpParser\Node\Expr\ClassConstFetch;
use PhpParser\Node\Identifier;
use PhpParser\Node\Name;
use PhpParser\Node\Stmt\Class_;
use Rector\Core\Enum\ObjectReference;
use Rector\Core\Rector\AbstractRector;
use Rector\Core\ValueObject\PhpVersionFeature;
use Rector\VersionBonding\Contract\MinPhpVersionInterface;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @changelog https://wiki.php.net/rfc/class_name_scalars
* @changelog https://3v4l.org/AHr9C#v5.5.0
* @see \Rector\Tests\Php55\Rector\ClassConstFetch\StaticToSelfOnFinalClassRector\StaticToSelfOnFinalClassRectorTest
*/
final class StaticToSelfOnFinalClassRector extends AbstractRector implements MinPhpVersionInterface
{
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Change `static::class` to `self::class` on final class', [new CodeSample(<<<'CODE_SAMPLE'
final class SomeClass
{
public function callOnMe()
{
var_dump(static::class);
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
final class SomeClass
{
public function callOnMe()
{
var_dump(self::class);
}
}
CODE_SAMPLE
)]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [ClassConstFetch::class];
}
/**
* @param ClassConstFetch $node
*/
public function refactor(Node $node) : ?ClassConstFetch
{
if (!$node->class instanceof Name) {
return null;
}
if (!$node->name instanceof Identifier) {
return null;
}
if ($node->class->toString() !== ObjectReference::STATIC) {
return null;
}
if ($node->name->toString() !== 'class') {
return null;
}
$class = $this->betterNodeFinder->findParentType($node, Class_::class);
if (!$class instanceof Class_) {
return null;
}
if (!$class->isFinal()) {
return null;
}
return $this->nodeFactory->createSelfFetchConstant('class');
}
public function provideMinPhpVersion() : int
{
return PhpVersionFeature::CLASSNAME_CONSTANT;
}
}