mirror of https://github.com/rectorphp/rector.git
177 lines
5.8 KiB
PHP
177 lines
5.8 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Php81\Rector\ClassMethod;
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use PhpParser\Node;
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use PhpParser\Node\Expr\BinaryOp\Coalesce;
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use PhpParser\Node\NullableType;
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use PhpParser\Node\Param;
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use PhpParser\Node\Stmt\Class_;
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use PhpParser\Node\Stmt\ClassMethod;
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use PhpParser\Node\Stmt\Property;
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use PHPStan\Reflection\ClassReflection;
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use Rector\FamilyTree\NodeAnalyzer\ClassChildAnalyzer;
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use Rector\Php81\NodeAnalyzer\CoalesePropertyAssignMatcher;
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use Rector\Rector\AbstractRector;
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use Rector\Reflection\ReflectionResolver;
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use Rector\ValueObject\MethodName;
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use Rector\ValueObject\PhpVersionFeature;
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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://wiki.php.net/rfc/new_in_initializers
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*
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* @see \Rector\Tests\Php81\Rector\ClassMethod\NewInInitializerRector\NewInInitializerRectorTest
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*/
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final class NewInInitializerRector extends AbstractRector implements MinPhpVersionInterface
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{
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/**
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* @readonly
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* @var \Rector\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 \Rector\FamilyTree\NodeAnalyzer\ClassChildAnalyzer
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*/
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private $classChildAnalyzer;
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/**
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* @readonly
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* @var \Rector\Php81\NodeAnalyzer\CoalesePropertyAssignMatcher
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*/
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private $coalesePropertyAssignMatcher;
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public function __construct(ReflectionResolver $reflectionResolver, ClassChildAnalyzer $classChildAnalyzer, CoalesePropertyAssignMatcher $coalesePropertyAssignMatcher)
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{
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$this->reflectionResolver = $reflectionResolver;
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$this->classChildAnalyzer = $classChildAnalyzer;
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$this->coalesePropertyAssignMatcher = $coalesePropertyAssignMatcher;
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}
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Replace property declaration of new state with direct new', [new CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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private Logger $logger;
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public function __construct(
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?Logger $logger = null,
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) {
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$this->logger = $logger ?? new NullLogger;
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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 function __construct(
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private Logger $logger = new NullLogger,
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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 [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->stmts === null || $node->stmts === []) {
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return null;
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}
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if ($node->isAbstract() || $node->isAnonymous()) {
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return null;
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}
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$constructClassMethod = $node->getMethod(MethodName::CONSTRUCT);
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if (!$constructClassMethod instanceof ClassMethod) {
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return null;
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}
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$params = $this->resolveParams($constructClassMethod);
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if ($params === []) {
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return null;
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}
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$hasChanged = \false;
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foreach ((array) $constructClassMethod->stmts as $key => $stmt) {
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foreach ($params as $param) {
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$paramName = $this->getName($param);
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$coalesce = $this->coalesePropertyAssignMatcher->matchCoalesceAssignsToLocalPropertyNamed($stmt, $paramName);
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if (!$coalesce instanceof Coalesce) {
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continue;
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}
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/** @var NullableType $currentParamType */
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$currentParamType = $param->type;
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$param->type = $currentParamType->type;
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$param->default = $coalesce->right;
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unset($constructClassMethod->stmts[$key]);
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$this->processPropertyPromotion($node, $param, $paramName);
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$hasChanged = \true;
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}
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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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public function provideMinPhpVersion() : int
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{
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return PhpVersionFeature::NEW_INITIALIZERS;
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}
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/**
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* @return Param[]
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*/
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private function resolveParams(ClassMethod $classMethod) : array
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{
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$params = $this->matchConstructorParams($classMethod);
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if ($params === []) {
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return [];
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}
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if ($this->isOverrideAbstractMethod($classMethod)) {
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return [];
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}
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return $params;
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}
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private function isOverrideAbstractMethod(ClassMethod $classMethod) : bool
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{
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$classReflection = $this->reflectionResolver->resolveClassReflection($classMethod);
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$methodName = $this->nodeNameResolver->getName($classMethod);
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return $classReflection instanceof ClassReflection && $this->classChildAnalyzer->hasAbstractParentClassMethod($classReflection, $methodName);
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}
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private function processPropertyPromotion(Class_ $class, Param $param, string $paramName) : void
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{
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foreach ($class->stmts as $key => $stmt) {
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if (!$stmt instanceof Property) {
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continue;
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}
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$property = $stmt;
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if (!$this->isName($stmt, $paramName)) {
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continue;
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}
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$param->flags = $property->flags;
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$param->attrGroups = \array_merge($property->attrGroups, $param->attrGroups);
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unset($class->stmts[$key]);
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}
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}
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/**
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* @return Param[]
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*/
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private function matchConstructorParams(ClassMethod $classMethod) : array
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{
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// skip empty constructor assigns, as we need those here
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if ($classMethod->stmts === null || $classMethod->stmts === []) {
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return [];
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}
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return \array_filter($classMethod->params, static function (Param $param) : bool {
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return $param->type instanceof NullableType;
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});
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}
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}
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