| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace PHPStan\Type; |
| 4: | |
| 5: | use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode; |
| 6: | use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode; |
| 7: | use PHPStan\PhpDocParser\Ast\Type\TypeNode; |
| 8: | use PHPStan\Type\Generic\TemplateType; |
| 9: | use PHPStan\Type\Generic\TemplateTypeVariance; |
| 10: | use PHPStan\Type\Traits\LateResolvableTypeTrait; |
| 11: | use PHPStan\Type\Traits\NonGeneralizableTypeTrait; |
| 12: | use function count; |
| 13: | use function sprintf; |
| 14: | |
| 15: | |
| 16: | final class ValueOfType implements CompoundType, LateResolvableType |
| 17: | { |
| 18: | |
| 19: | use LateResolvableTypeTrait; |
| 20: | use NonGeneralizableTypeTrait; |
| 21: | |
| 22: | public function __construct(private Type $type) |
| 23: | { |
| 24: | } |
| 25: | |
| 26: | public function getReferencedClasses(): array |
| 27: | { |
| 28: | return $this->type->getReferencedClasses(); |
| 29: | } |
| 30: | |
| 31: | public function getReferencedTemplateTypes(TemplateTypeVariance $positionVariance): array |
| 32: | { |
| 33: | return $this->type->getReferencedTemplateTypes($positionVariance); |
| 34: | } |
| 35: | |
| 36: | public function equals(Type $type): bool |
| 37: | { |
| 38: | return $type instanceof self |
| 39: | && $this->type->equals($type->type); |
| 40: | } |
| 41: | |
| 42: | public function describe(VerbosityLevel $level): string |
| 43: | { |
| 44: | return sprintf('value-of<%s>', $this->type->describe($level)); |
| 45: | } |
| 46: | |
| 47: | public function isResolvable(): bool |
| 48: | { |
| 49: | return !TypeUtils::containsTemplateType($this->type); |
| 50: | } |
| 51: | |
| 52: | protected function getResult(): Type |
| 53: | { |
| 54: | if ($this->type->isEnum()->yes()) { |
| 55: | $enumCases = $this->type->getEnumCases(); |
| 56: | if ( |
| 57: | $enumCases === [] |
| 58: | && $this->type instanceof TemplateType |
| 59: | && (new ObjectType('BackedEnum'))->isSuperTypeOf($this->type->getBound())->yes() |
| 60: | ) { |
| 61: | return new UnionType([new IntegerType(), new StringType()]); |
| 62: | } |
| 63: | |
| 64: | $valueTypes = []; |
| 65: | foreach ($enumCases as $enumCase) { |
| 66: | $valueType = $enumCase->getBackingValueType(); |
| 67: | if ($valueType === null) { |
| 68: | continue; |
| 69: | } |
| 70: | |
| 71: | $valueTypes[] = $valueType; |
| 72: | } |
| 73: | |
| 74: | if (count($valueTypes) === 0) { |
| 75: | return new NeverType(); |
| 76: | } |
| 77: | if (count($valueTypes) === 1) { |
| 78: | return $valueTypes[0]; |
| 79: | } |
| 80: | |
| 81: | return new UnionType($valueTypes); |
| 82: | } |
| 83: | |
| 84: | return $this->type->getIterableValueType(); |
| 85: | } |
| 86: | |
| 87: | |
| 88: | |
| 89: | |
| 90: | public function traverse(callable $cb): Type |
| 91: | { |
| 92: | $type = $cb($this->type); |
| 93: | |
| 94: | if ($this->type === $type) { |
| 95: | return $this; |
| 96: | } |
| 97: | |
| 98: | return new self($type); |
| 99: | } |
| 100: | |
| 101: | public function traverseSimultaneously(Type $right, callable $cb): Type |
| 102: | { |
| 103: | if (!$right instanceof self) { |
| 104: | return $this; |
| 105: | } |
| 106: | |
| 107: | $type = $cb($this->type, $right->type); |
| 108: | |
| 109: | if ($this->type === $type) { |
| 110: | return $this; |
| 111: | } |
| 112: | |
| 113: | return new self($type); |
| 114: | } |
| 115: | |
| 116: | public function toPhpDocNode(): TypeNode |
| 117: | { |
| 118: | return new GenericTypeNode(new IdentifierTypeNode('value-of'), [$this->type->toPhpDocNode()]); |
| 119: | } |
| 120: | |
| 121: | } |
| 122: | |