mirror of https://github.com/rectorphp/rector.git
82 lines
2.6 KiB
PHP
82 lines
2.6 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Php70\Rector\FunctionLike;
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use PhpParser\Node;
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use PhpParser\Node\Name\FullyQualified;
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use PhpParser\Node\NullableType;
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use PhpParser\Node\Stmt\ClassMethod;
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use PhpParser\Node\Stmt\Function_;
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use Rector\Rector\AbstractRector;
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use Rector\Util\StringUtils;
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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/typed_properties_v2#proposal
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*
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* @see \Rector\Tests\Php70\Rector\FunctionLike\ExceptionHandlerTypehintRector\ExceptionHandlerTypehintRectorTest
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*/
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final class ExceptionHandlerTypehintRector extends AbstractRector implements MinPhpVersionInterface
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{
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/**
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* @var string
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* @see https://regex101.com/r/VBFXCR/1
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*/
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private const HANDLE_INSENSITIVE_REGEX = '#handle#i';
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Change typehint from `Exception` to `Throwable`.', [new CodeSample(<<<'CODE_SAMPLE'
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function handler(Exception $exception) { ... }
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set_exception_handler('handler');
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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function handler(Throwable $exception) { ... }
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set_exception_handler('handler');
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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 [Function_::class, ClassMethod::class];
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}
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/**
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* @param Function_|ClassMethod $node
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*/
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public function refactor(Node $node) : ?Node
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{
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// exception handle has 1 param exactly
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if (\count($node->params) !== 1) {
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return null;
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}
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$paramNode = $node->params[0];
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if ($paramNode->type === null) {
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return null;
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}
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// handle only Exception typehint
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$actualType = $paramNode->type instanceof NullableType ? $this->getName($paramNode->type->type) : $this->getName($paramNode->type);
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if ($actualType !== 'Exception') {
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return null;
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}
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// is probably handling exceptions
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if (!StringUtils::isMatch((string) $node->name, self::HANDLE_INSENSITIVE_REGEX)) {
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return null;
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}
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if (!$paramNode->type instanceof NullableType) {
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$paramNode->type = new FullyQualified('Throwable');
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} else {
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$paramNode->type->type = new FullyQualified('Throwable');
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}
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return $node;
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}
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public function provideMinPhpVersion() : int
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{
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return PhpVersionFeature::THROWABLE_TYPE;
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}
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}
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