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\TemplateTypeVariance; |
9: | use PHPStan\Type\Traits\LateResolvableTypeTrait; |
10: | use PHPStan\Type\Traits\NonGeneralizableTypeTrait; |
11: | use function sprintf; |
12: | |
13: | |
14: | final class ValueOfType implements CompoundType, LateResolvableType |
15: | { |
16: | |
17: | use LateResolvableTypeTrait; |
18: | use NonGeneralizableTypeTrait; |
19: | |
20: | public function __construct(private Type $type) |
21: | { |
22: | } |
23: | |
24: | public function getReferencedClasses(): array |
25: | { |
26: | return $this->type->getReferencedClasses(); |
27: | } |
28: | |
29: | public function getReferencedTemplateTypes(TemplateTypeVariance $positionVariance): array |
30: | { |
31: | return $this->type->getReferencedTemplateTypes($positionVariance); |
32: | } |
33: | |
34: | public function equals(Type $type): bool |
35: | { |
36: | return $type instanceof self |
37: | && $this->type->equals($type->type); |
38: | } |
39: | |
40: | public function describe(VerbosityLevel $level): string |
41: | { |
42: | return sprintf('value-of<%s>', $this->type->describe($level)); |
43: | } |
44: | |
45: | public function isResolvable(): bool |
46: | { |
47: | return !TypeUtils::containsTemplateType($this->type); |
48: | } |
49: | |
50: | protected function getResult(): Type |
51: | { |
52: | if ($this->type->isEnum()->yes()) { |
53: | $valueTypes = []; |
54: | foreach ($this->type->getEnumCases() as $enumCase) { |
55: | $valueType = $enumCase->getBackingValueType(); |
56: | if ($valueType === null) { |
57: | continue; |
58: | } |
59: | |
60: | $valueTypes[] = $valueType; |
61: | } |
62: | |
63: | return TypeCombinator::union(...$valueTypes); |
64: | } |
65: | |
66: | return $this->type->getIterableValueType(); |
67: | } |
68: | |
69: | |
70: | |
71: | |
72: | public function traverse(callable $cb): Type |
73: | { |
74: | $type = $cb($this->type); |
75: | |
76: | if ($this->type === $type) { |
77: | return $this; |
78: | } |
79: | |
80: | return new self($type); |
81: | } |
82: | |
83: | public function traverseSimultaneously(Type $right, callable $cb): Type |
84: | { |
85: | if (!$right instanceof self) { |
86: | return $this; |
87: | } |
88: | |
89: | $type = $cb($this->type, $right->type); |
90: | |
91: | if ($this->type === $type) { |
92: | return $this; |
93: | } |
94: | |
95: | return new self($type); |
96: | } |
97: | |
98: | public function toPhpDocNode(): TypeNode |
99: | { |
100: | return new GenericTypeNode(new IdentifierTypeNode('value-of'), [$this->type->toPhpDocNode()]); |
101: | } |
102: | |
103: | } |
104: | |