| 1: | <?php |
| 2: | |
| 3: | declare(strict_types=1); |
| 4: | |
| 5: | namespace PHPStan\BetterReflection\SourceLocator\Type; |
| 6: | |
| 7: | use PHPStan\BetterReflection\Identifier\Identifier; |
| 8: | use PHPStan\BetterReflection\Identifier\IdentifierType; |
| 9: | use PHPStan\BetterReflection\Reflection\Reflection; |
| 10: | use PHPStan\BetterReflection\Reflector\Reflector; |
| 11: | |
| 12: | use function array_key_exists; |
| 13: | use function spl_object_hash; |
| 14: | use function sprintf; |
| 15: | |
| 16: | final class MemoizingSourceLocator implements SourceLocator |
| 17: | { |
| 18: | |
| 19: | private $cacheByIdentifierKeyAndOid = []; |
| 20: | |
| 21: | |
| 22: | private $cacheByIdentifierTypeKeyAndOid = []; |
| 23: | |
| 24: | |
| 25: | |
| 26: | private $wrappedSourceLocator; |
| 27: | |
| 28: | public function __construct(SourceLocator $wrappedSourceLocator) |
| 29: | { |
| 30: | $this->wrappedSourceLocator = $wrappedSourceLocator; |
| 31: | } |
| 32: | |
| 33: | public function locateIdentifier(Reflector $reflector, Identifier $identifier): ?\PHPStan\BetterReflection\Reflection\Reflection |
| 34: | { |
| 35: | $cacheKey = sprintf('%s_%s', $this->reflectorCacheKey($reflector), $this->identifierToCacheKey($identifier)); |
| 36: | |
| 37: | if (array_key_exists($cacheKey, $this->cacheByIdentifierKeyAndOid)) { |
| 38: | return $this->cacheByIdentifierKeyAndOid[$cacheKey]; |
| 39: | } |
| 40: | |
| 41: | return $this->cacheByIdentifierKeyAndOid[$cacheKey] |
| 42: | = $this->wrappedSourceLocator->locateIdentifier($reflector, $identifier); |
| 43: | } |
| 44: | |
| 45: | |
| 46: | public function locateIdentifiersByType(Reflector $reflector, IdentifierType $identifierType): array |
| 47: | { |
| 48: | $cacheKey = sprintf('%s_%s', $this->reflectorCacheKey($reflector), $this->identifierTypeToCacheKey($identifierType)); |
| 49: | |
| 50: | if (array_key_exists($cacheKey, $this->cacheByIdentifierTypeKeyAndOid)) { |
| 51: | return $this->cacheByIdentifierTypeKeyAndOid[$cacheKey]; |
| 52: | } |
| 53: | |
| 54: | return $this->cacheByIdentifierTypeKeyAndOid[$cacheKey] |
| 55: | = $this->wrappedSourceLocator->locateIdentifiersByType($reflector, $identifierType); |
| 56: | } |
| 57: | |
| 58: | private function reflectorCacheKey(Reflector $reflector): string |
| 59: | { |
| 60: | return sprintf('type:%s#oid:%s', get_class($reflector), spl_object_hash($reflector)); |
| 61: | } |
| 62: | |
| 63: | private function identifierToCacheKey(Identifier $identifier): string |
| 64: | { |
| 65: | return sprintf('%s#name:%s', $this->identifierTypeToCacheKey($identifier->getType()), $identifier->getName()); |
| 66: | } |
| 67: | |
| 68: | private function identifierTypeToCacheKey(IdentifierType $identifierType): string |
| 69: | { |
| 70: | return sprintf('type:%s', $identifierType->getName()); |
| 71: | } |
| 72: | } |
| 73: | |