mirror of https://github.com/rectorphp/rector.git
76 lines
1.9 KiB
PHP
76 lines
1.9 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\CodeQuality\Rector\New_;
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use PhpParser\Node;
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use PhpParser\Node\Expr\New_;
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use PhpParser\Node\Name;
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use PhpParser\Node\Stmt\Class_;
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use Rector\Enum\ObjectReference;
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use Rector\Rector\AbstractRector;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @changelog https://github.com/phpstan/phpstan-src/blob/699c420f8193da66927e54494a0afa0c323c6458/src/Rules/Classes/NewStaticRule.php
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*
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* @see \Rector\Tests\CodeQuality\Rector\New_\NewStaticToNewSelfRector\NewStaticToNewSelfRectorTest
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*/
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final class NewStaticToNewSelfRector extends AbstractRector
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{
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Change unsafe new static() to new self()', [new CodeSample(<<<'CODE_SAMPLE'
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final class SomeClass
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{
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public function build()
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{
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return new static();
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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final class SomeClass
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{
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public function build()
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{
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return new self();
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}
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}
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [Class_::class];
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}
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/**
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* @param Class_ $node
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*/
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public function refactor(Node $node) : ?Node
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{
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if (!$node->isFinal()) {
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return null;
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}
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$hasChanged = \false;
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$this->traverseNodesWithCallable($node, function (Node $node) use(&$hasChanged) : ?New_ {
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if (!$node instanceof New_) {
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return null;
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}
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if (!$this->isName($node->class, ObjectReference::STATIC)) {
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return null;
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}
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$hasChanged = \true;
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$node->class = new Name(ObjectReference::SELF);
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return $node;
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});
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if ($hasChanged) {
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return $node;
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}
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return null;
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}
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}
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