1: | <?php |
2: | |
3: | declare(strict_types=1); |
4: | |
5: | namespace PHPStan\BetterReflection\Reflection; |
6: | |
7: | use PhpParser\Node\Identifier; |
8: | use PhpParser\Node\IntersectionType; |
9: | use PhpParser\Node\Name; |
10: | use PhpParser\Node\NullableType; |
11: | use PhpParser\Node\UnionType; |
12: | use PHPStan\BetterReflection\Reflector\Reflector; |
13: | |
14: | abstract class ReflectionType |
15: | { |
16: | |
17: | |
18: | |
19: | |
20: | public static function createFromNode(Reflector $reflector, $owner, $type, bool $allowsNull = false) |
21: | { |
22: | if ($type instanceof NullableType) { |
23: | $type = $type->type; |
24: | $allowsNull = true; |
25: | } |
26: | if ($type instanceof Identifier || $type instanceof Name) { |
27: | if ( |
28: | $type->toLowerString() === 'null' |
29: | || $type->toLowerString() === 'mixed' |
30: | || ! $allowsNull |
31: | ) { |
32: | return new ReflectionNamedType($reflector, $owner, $type); |
33: | } |
34: | |
35: | return new ReflectionUnionType($reflector, $owner, new UnionType([$type, new Identifier('null')])); |
36: | } |
37: | if ($type instanceof IntersectionType) { |
38: | return new ReflectionIntersectionType($reflector, $owner, $type); |
39: | } |
40: | if (! $allowsNull) { |
41: | return new ReflectionUnionType($reflector, $owner, $type); |
42: | } |
43: | foreach ($type->types as $innerUnionType) { |
44: | |
45: | if ( |
46: | |
47: | ($innerUnionType instanceof Identifier || $innerUnionType instanceof Name) |
48: | && $innerUnionType->toLowerString() === 'null' |
49: | ) { |
50: | return new ReflectionUnionType($reflector, $owner, $type); |
51: | } |
52: | } |
53: | $types = $type->types; |
54: | $types[] = new Identifier('null'); |
55: | return new ReflectionUnionType($reflector, $owner, new UnionType($types)); |
56: | } |
57: | |
58: | |
59: | |
60: | |
61: | abstract public function allowsNull(): bool; |
62: | |
63: | |
64: | |
65: | |
66: | abstract public function __toString(): string; |
67: | } |
68: | |