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<?php declare(strict_types=1);
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namespace Composer\Pcre\PHPStan;
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use Composer\Pcre\Preg;
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use PhpParser\Node\Expr\StaticCall;
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use PHPStan\Analyser\Scope;
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use PHPStan\Reflection\MethodReflection;
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use PHPStan\Reflection\ParameterReflection;
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use PHPStan\TrinaryLogic;
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use PHPStan\Type\Php\RegexArrayShapeMatcher;
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use PHPStan\Type\StaticMethodParameterOutTypeExtension;
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use PHPStan\Type\Type;
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final class PregMatchParameterOutTypeExtension implements StaticMethodParameterOutTypeExtension
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{
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/**
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* @var RegexArrayShapeMatcher
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*/
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private $regexShapeMatcher;
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public function __construct(
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RegexArrayShapeMatcher $regexShapeMatcher
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)
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{
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$this->regexShapeMatcher = $regexShapeMatcher;
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}
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public function isStaticMethodSupported(MethodReflection $methodReflection, ParameterReflection $parameter): bool
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{
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return
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$methodReflection->getDeclaringClass()->getName() === Preg::class
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&& in_array($methodReflection->getName(), [
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'match', 'isMatch', 'matchStrictGroups', 'isMatchStrictGroups',
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'matchAll', 'isMatchAll', 'matchAllStrictGroups', 'isMatchAllStrictGroups'
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], true)
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&& $parameter->getName() === 'matches';
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}
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public function getParameterOutTypeFromStaticMethodCall(MethodReflection $methodReflection, StaticCall $methodCall, ParameterReflection $parameter, Scope $scope): ?Type
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{
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$args = $methodCall->getArgs();
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$patternArg = $args[0] ?? null;
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$matchesArg = $args[2] ?? null;
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$flagsArg = $args[3] ?? null;
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if (
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$patternArg === null || $matchesArg === null
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) {
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return null;
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}
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$flagsType = PregMatchFlags::getType($flagsArg, $scope);
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if ($flagsType === null) {
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return null;
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}
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if (stripos($methodReflection->getName(), 'matchAll') !== false) {
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return $this->regexShapeMatcher->matchAllExpr($patternArg->value, $flagsType, TrinaryLogic::createMaybe(), $scope);
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}
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return $this->regexShapeMatcher->matchExpr($patternArg->value, $flagsType, TrinaryLogic::createMaybe(), $scope);
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}
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}
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