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40f2bcdb1e
29b79786e2
add getStringValue() to value resolver (#1130)
130 lines
4.9 KiB
PHP
130 lines
4.9 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Nette\Rector\ClassMethod;
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use PhpParser\Node;
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use PhpParser\Node\Expr\ArrayDimFetch;
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use PhpParser\Node\Expr\Assign;
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use PhpParser\Node\Expr\BinaryOp\Coalesce;
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use PhpParser\Node\Expr\Error;
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use PhpParser\Node\Expr\Variable;
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use PhpParser\Node\Param;
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use PhpParser\Node\Scalar\LNumber;
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use PhpParser\Node\Stmt\ClassMethod;
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use PhpParser\NodeTraverser;
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use PHPStan\Type\ObjectType;
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use Rector\Core\Exception\ShouldNotHappenException;
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use Rector\Core\Rector\AbstractRector;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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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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* @see https://github.com/nette/utils/pull/178
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* @see https://github.com/contributte/translation/commit/d374c4c05b57dff1e5b327bb9bf98c392769806c
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*
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* @see \Rector\Nette\Tests\Rector\ClassMethod\TranslateClassMethodToVariadicsRector\TranslateClassMethodToVariadicsRectorTest
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* @note must be run before "composer update nette/utils:^3.0", because param contract break causes fatal error
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*/
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final class TranslateClassMethodToVariadicsRector extends \Rector\Core\Rector\AbstractRector
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{
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/**
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* @var string
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*/
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private const PARAMETERS = 'parameters';
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public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
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{
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return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Change translate() method call 2nd arg to variadic', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
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use Nette\Localization\ITranslator;
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final class SomeClass implements ITranslator
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{
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public function translate($message, $count = null)
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{
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return [$message, $count];
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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use Nette\Localization\ITranslator;
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final class SomeClass implements ITranslator
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{
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public function translate($message, ... $parameters)
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{
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$count = $parameters[0] ?? null;
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return [$message, $count];
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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 [\PhpParser\Node\Stmt\ClassMethod::class];
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}
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/**
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* @param ClassMethod $node
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*/
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public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
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{
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if (!$this->nodeTypeResolver->isMethodStaticCallOrClassMethodObjectType($node, new \PHPStan\Type\ObjectType('Nette\\Localization\\ITranslator'))) {
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return null;
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}
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if (!$this->isName($node->name, 'translate')) {
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return null;
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}
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if (!isset($node->params[1])) {
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return null;
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}
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$secondParam = $node->params[1];
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if (!$secondParam->var instanceof \PhpParser\Node\Expr\Variable) {
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return null;
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}
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if ($secondParam->variadic) {
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return null;
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}
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$this->replaceSecondParamInClassMethodBody($node, $secondParam);
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$secondParam->default = null;
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$secondParam->variadic = \true;
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if ($secondParam->var instanceof \PhpParser\Node\Expr\Error) {
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throw new \Rector\Core\Exception\ShouldNotHappenException();
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}
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$secondParam->var->name = self::PARAMETERS;
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return $node;
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}
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private function replaceSecondParamInClassMethodBody(\PhpParser\Node\Stmt\ClassMethod $classMethod, \PhpParser\Node\Param $param) : void
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{
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$paramName = $this->getName($param->var);
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if ($paramName === null) {
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return;
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}
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$this->traverseNodesWithCallable((array) $classMethod->stmts, function (\PhpParser\Node $node) use($paramName) : ?int {
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if (!$node instanceof \PhpParser\Node\Expr\Variable) {
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return null;
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}
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if (!$this->isName($node, $paramName)) {
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return null;
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}
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// instantiate
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$assign = $this->createCoalesceAssign($node);
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$currentStmt = $node->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::CURRENT_STATEMENT);
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$positionNode = $currentStmt ?? $node;
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if (!$positionNode instanceof \PhpParser\Node) {
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throw new \Rector\Core\Exception\ShouldNotHappenException();
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}
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$this->nodesToAddCollector->addNodeBeforeNode($assign, $positionNode);
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return \PhpParser\NodeTraverser::STOP_TRAVERSAL;
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});
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}
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private function createCoalesceAssign(\PhpParser\Node\Expr\Variable $variable) : \PhpParser\Node\Expr\Assign
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{
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$arrayDimFetch = new \PhpParser\Node\Expr\ArrayDimFetch(new \PhpParser\Node\Expr\Variable(self::PARAMETERS), new \PhpParser\Node\Scalar\LNumber(0));
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$coalesce = new \PhpParser\Node\Expr\BinaryOp\Coalesce($arrayDimFetch, $this->nodeFactory->createNull());
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return new \PhpParser\Node\Expr\Assign(new \PhpParser\Node\Expr\Variable($variable->name), $coalesce);
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}
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}
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