| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace PHPStan\Type; |
| 4: | |
| 5: | use PHPStan\Type\Generic\TemplateTypeVariance; |
| 6: | use PHPStan\Type\Traits\LateResolvableTypeTrait; |
| 7: | use PHPStan\Type\Traits\NonGeneralizableTypeTrait; |
| 8: | use function array_merge; |
| 9: | use function sprintf; |
| 10: | |
| 11: | |
| 12: | final class OffsetAccessType implements CompoundType, LateResolvableType |
| 13: | { |
| 14: | |
| 15: | use LateResolvableTypeTrait; |
| 16: | use NonGeneralizableTypeTrait; |
| 17: | |
| 18: | public function __construct( |
| 19: | private Type $type, |
| 20: | private Type $offset, |
| 21: | ) |
| 22: | { |
| 23: | } |
| 24: | |
| 25: | public function getReferencedClasses(): array |
| 26: | { |
| 27: | return array_merge( |
| 28: | $this->type->getReferencedClasses(), |
| 29: | $this->offset->getReferencedClasses(), |
| 30: | ); |
| 31: | } |
| 32: | |
| 33: | public function getReferencedTemplateTypes(TemplateTypeVariance $positionVariance): array |
| 34: | { |
| 35: | return array_merge( |
| 36: | $this->type->getReferencedTemplateTypes($positionVariance), |
| 37: | $this->offset->getReferencedTemplateTypes($positionVariance), |
| 38: | ); |
| 39: | } |
| 40: | |
| 41: | public function equals(Type $type): bool |
| 42: | { |
| 43: | return $type instanceof self |
| 44: | && $this->type->equals($type->type) |
| 45: | && $this->offset->equals($type->offset); |
| 46: | } |
| 47: | |
| 48: | public function describe(VerbosityLevel $level): string |
| 49: | { |
| 50: | return sprintf( |
| 51: | '%s[%s]', |
| 52: | $this->type->describe($level), |
| 53: | $this->offset->describe($level), |
| 54: | ); |
| 55: | } |
| 56: | |
| 57: | public function isResolvable(): bool |
| 58: | { |
| 59: | return !TypeUtils::containsTemplateType($this->type) |
| 60: | && !TypeUtils::containsTemplateType($this->offset); |
| 61: | } |
| 62: | |
| 63: | protected function getResult(): Type |
| 64: | { |
| 65: | return $this->type->getOffsetValueType($this->offset); |
| 66: | } |
| 67: | |
| 68: | |
| 69: | |
| 70: | |
| 71: | public function traverse(callable $cb): Type |
| 72: | { |
| 73: | $type = $cb($this->type); |
| 74: | $offset = $cb($this->offset); |
| 75: | |
| 76: | if ($this->type === $type && $this->offset === $offset) { |
| 77: | return $this; |
| 78: | } |
| 79: | |
| 80: | return new OffsetAccessType($type, $offset); |
| 81: | } |
| 82: | |
| 83: | |
| 84: | |
| 85: | |
| 86: | public static function __set_state(array $properties): Type |
| 87: | { |
| 88: | return new self( |
| 89: | $properties['type'], |
| 90: | $properties['offset'], |
| 91: | ); |
| 92: | } |
| 93: | |
| 94: | } |
| 95: | |