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HasMethodType.php
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HasMethodType.php
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<?php declare(strict_types = 1);
namespace PHPStan\Type\Accessory;
use PHPStan\Reflection\ClassMemberAccessAnswerer;
use PHPStan\Reflection\Dummy\DummyMethodReflection;
use PHPStan\Reflection\MethodReflection;
use PHPStan\Reflection\TrivialParametersAcceptor;
use PHPStan\Reflection\Type\CallbackUnresolvedMethodPrototypeReflection;
use PHPStan\Reflection\Type\UnresolvedMethodPrototypeReflection;
use PHPStan\TrinaryLogic;
use PHPStan\Type\CompoundType;
use PHPStan\Type\IntersectionType;
use PHPStan\Type\Traits\NonGeneralizableTypeTrait;
use PHPStan\Type\Traits\NonGenericTypeTrait;
use PHPStan\Type\Traits\NonRemoveableTypeTrait;
use PHPStan\Type\Traits\ObjectTypeTrait;
use PHPStan\Type\Traits\UndecidedComparisonCompoundTypeTrait;
use PHPStan\Type\Type;
use PHPStan\Type\UnionType;
use PHPStan\Type\VerbosityLevel;
use function sprintf;
use function strtolower;
class HasMethodType implements AccessoryType, CompoundType
{
use ObjectTypeTrait;
use NonGenericTypeTrait;
use UndecidedComparisonCompoundTypeTrait;
use NonRemoveableTypeTrait;
use NonGeneralizableTypeTrait;
/** @api */
public function __construct(private string $methodName)
{
}
public function getReferencedClasses(): array
{
return [];
}
private function getCanonicalMethodName(): string
{
return strtolower($this->methodName);
}
public function accepts(Type $type, bool $strictTypes): TrinaryLogic
{
return TrinaryLogic::createFromBoolean($this->equals($type));
}
public function isSuperTypeOf(Type $type): TrinaryLogic
{
return $type->hasMethod($this->methodName);
}
public function isSubTypeOf(Type $otherType): TrinaryLogic
{
if ($otherType instanceof UnionType || $otherType instanceof IntersectionType) {
return $otherType->isSuperTypeOf($this);
}
if ($otherType instanceof self) {
$limit = TrinaryLogic::createYes();
} else {
$limit = TrinaryLogic::createMaybe();
}
return $limit->and($otherType->hasMethod($this->methodName));
}
public function isAcceptedBy(Type $acceptingType, bool $strictTypes): TrinaryLogic
{
return $this->isSubTypeOf($acceptingType);
}
public function equals(Type $type): bool
{
return $type instanceof self
&& $this->getCanonicalMethodName() === $type->getCanonicalMethodName();
}
public function describe(VerbosityLevel $level): string
{
return sprintf('hasMethod(%s)', $this->methodName);
}
public function hasMethod(string $methodName): TrinaryLogic
{
if ($this->getCanonicalMethodName() === strtolower($methodName)) {
return TrinaryLogic::createYes();
}
return TrinaryLogic::createMaybe();
}
public function getMethod(string $methodName, ClassMemberAccessAnswerer $scope): MethodReflection
{
return $this->getUnresolvedMethodPrototype($methodName, $scope)->getTransformedMethod();
}
public function getUnresolvedMethodPrototype(string $methodName, ClassMemberAccessAnswerer $scope): UnresolvedMethodPrototypeReflection
{
$method = new DummyMethodReflection($this->methodName);
return new CallbackUnresolvedMethodPrototypeReflection(
$method,
$method->getDeclaringClass(),
false,
static fn (Type $type): Type => $type,
);
}
public function isCallable(): TrinaryLogic
{
if ($this->getCanonicalMethodName() === '__invoke') {
return TrinaryLogic::createYes();
}
return TrinaryLogic::createMaybe();
}
public function getCallableParametersAcceptors(ClassMemberAccessAnswerer $scope): array
{
return [
new TrivialParametersAcceptor(),
];
}
public function traverse(callable $cb): Type
{
return $this;
}
public static function __set_state(array $properties): Type
{
return new self($properties['methodName']);
}
}