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<?php declare(strict_types = 1);
namespace PHPStan\Reflection;
use PHPStan\Reflection\Php\DummyParameter;
use PHPStan\Type\Generic\TemplateTypeHelper;
use PHPStan\Type\Generic\TemplateTypeMap;
use PHPStan\Type\Type;
class ResolvedFunctionVariant implements ParametersAcceptor
{
private ParametersAcceptor $parametersAcceptor;
private TemplateTypeMap $resolvedTemplateTypeMap;
/** @var ParameterReflection[]|null */
private ?array $parameters = null;
private ?Type $returnType = null;
public function __construct(
ParametersAcceptor $parametersAcceptor,
TemplateTypeMap $resolvedTemplateTypeMap
)
{
$this->parametersAcceptor = $parametersAcceptor;
$this->resolvedTemplateTypeMap = $resolvedTemplateTypeMap;
}
public function getTemplateTypeMap(): TemplateTypeMap
{
return $this->parametersAcceptor->getTemplateTypeMap();
}
public function getResolvedTemplateTypeMap(): TemplateTypeMap
{
return $this->resolvedTemplateTypeMap;
}
public function getParameters(): array
{
$parameters = $this->parameters;
if ($parameters === null) {
$parameters = array_map(function (ParameterReflection $param): ParameterReflection {
return new DummyParameter(
$param->getName(),
TemplateTypeHelper::resolveTemplateTypes($param->getType(), $this->resolvedTemplateTypeMap),
$param->isOptional(),
$param->passedByReference(),
$param->isVariadic(),
$param->getDefaultValue()
);
}, $this->parametersAcceptor->getParameters());
$this->parameters = $parameters;
}
return $parameters;
}
public function isVariadic(): bool
{
return $this->parametersAcceptor->isVariadic();
}
public function getReturnType(): Type
{
$type = $this->returnType;
if ($type === null) {
$type = TemplateTypeHelper::resolveTemplateTypes(
$this->parametersAcceptor->getReturnType(),
$this->resolvedTemplateTypeMap
);
$this->returnType = $type;
}
return $type;
}
}