mirror of https://github.com/rectorphp/rector.git
150 lines
4.6 KiB
PHP
150 lines
4.6 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Php70\Rector\MethodCall;
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use PhpParser\Node;
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use PhpParser\Node\Expr\MethodCall;
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use PhpParser\Node\Expr\Variable;
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use PhpParser\Node\Stmt\Class_;
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use PhpParser\Node\Stmt\ClassLike;
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use PHPStan\Reflection\Php\PhpMethodReflection;
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use PHPStan\Reflection\ReflectionProvider;
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use PHPStan\Type\ObjectType;
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use Rector\Core\Enum\ObjectReference;
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use Rector\Core\Rector\AbstractRector;
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use Rector\Core\Reflection\ReflectionResolver;
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use Rector\Core\ValueObject\PhpVersionFeature;
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use Rector\NodeCollector\StaticAnalyzer;
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use Rector\VersionBonding\Contract\MinPhpVersionInterface;
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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://3v4l.org/rkiSC
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* @see \Rector\Tests\Php70\Rector\MethodCall\ThisCallOnStaticMethodToStaticCallRector\ThisCallOnStaticMethodToStaticCallRectorTest
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*/
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final class ThisCallOnStaticMethodToStaticCallRector extends AbstractRector implements MinPhpVersionInterface
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{
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/**
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* @readonly
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* @var \Rector\NodeCollector\StaticAnalyzer
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*/
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private $staticAnalyzer;
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/**
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* @readonly
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* @var \Rector\Core\Reflection\ReflectionResolver
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*/
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private $reflectionResolver;
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/**
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* @readonly
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* @var \PHPStan\Reflection\ReflectionProvider
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*/
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private $reflectionProvider;
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public function __construct(StaticAnalyzer $staticAnalyzer, ReflectionResolver $reflectionResolver, ReflectionProvider $reflectionProvider)
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{
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$this->staticAnalyzer = $staticAnalyzer;
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$this->reflectionResolver = $reflectionResolver;
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$this->reflectionProvider = $reflectionProvider;
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}
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public function provideMinPhpVersion() : int
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{
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return PhpVersionFeature::STATIC_CALL_ON_NON_STATIC;
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}
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Changes $this->call() to static method to static call', [new CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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public static function run()
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{
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$this->eat();
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}
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public static function eat()
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{
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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class SomeClass
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{
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public static function run()
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{
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static::eat();
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}
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public static function eat()
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{
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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 [MethodCall::class];
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}
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/**
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* @param MethodCall $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->var instanceof Variable) {
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return null;
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}
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if (!$this->nodeNameResolver->isName($node->var, 'this')) {
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return null;
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}
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$methodName = $this->getName($node->name);
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if ($methodName === null) {
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return null;
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}
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// skip PHPUnit calls, as they accept both self:: and $this-> formats
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if ($this->isObjectType($node->var, new ObjectType('PHPUnit\\Framework\\TestCase'))) {
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return null;
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}
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$classLike = $this->betterNodeFinder->findParentType($node, ClassLike::class);
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if (!$classLike instanceof ClassLike) {
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return null;
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}
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$className = (string) $this->nodeNameResolver->getName($classLike);
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if (!$this->reflectionProvider->hasClass($className)) {
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return null;
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}
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$classReflection = $this->reflectionProvider->getClass($className);
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$isStaticMethod = $this->staticAnalyzer->isStaticMethod($classReflection, $methodName);
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if (!$isStaticMethod) {
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return null;
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}
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if ($node->isFirstClassCallable()) {
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return null;
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}
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$objectReference = $this->resolveClassSelf($node);
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return $this->nodeFactory->createStaticCall($objectReference, $methodName, $node->args);
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}
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/**
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* @return ObjectReference::STATIC|ObjectReference::SELF
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*/
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private function resolveClassSelf(MethodCall $methodCall) : string
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{
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$classLike = $this->betterNodeFinder->findParentType($methodCall, Class_::class);
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if (!$classLike instanceof Class_) {
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return ObjectReference::STATIC;
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}
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if ($classLike->isFinal()) {
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return ObjectReference::SELF;
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}
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$methodReflection = $this->reflectionResolver->resolveMethodReflectionFromMethodCall($methodCall);
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if (!$methodReflection instanceof PhpMethodReflection) {
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return ObjectReference::STATIC;
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}
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if (!$methodReflection->isPrivate()) {
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return ObjectReference::STATIC;
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}
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return ObjectReference::SELF;
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}
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}
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