1: | <?php declare(strict_types = 1); |
2: | |
3: | namespace PHPStan\Type; |
4: | |
5: | use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode; |
6: | use PHPStan\PhpDocParser\Ast\Type\TypeNode; |
7: | use PHPStan\Type\Traits\NonGeneralizableTypeTrait; |
8: | use PHPStan\Type\Traits\NonGenericTypeTrait; |
9: | use PHPStan\Type\Traits\ObjectTypeTrait; |
10: | use PHPStan\Type\Traits\SubstractableTypeTrait; |
11: | use PHPStan\Type\Traits\UndecidedComparisonTypeTrait; |
12: | |
13: | |
14: | class ObjectWithoutClassType implements SubtractableType |
15: | { |
16: | |
17: | use ObjectTypeTrait; |
18: | use NonGenericTypeTrait; |
19: | use UndecidedComparisonTypeTrait; |
20: | use NonGeneralizableTypeTrait; |
21: | use SubstractableTypeTrait; |
22: | |
23: | private ?Type $subtractedType; |
24: | |
25: | |
26: | public function __construct( |
27: | ?Type $subtractedType = null, |
28: | ) |
29: | { |
30: | if ($subtractedType instanceof NeverType) { |
31: | $subtractedType = null; |
32: | } |
33: | |
34: | $this->subtractedType = $subtractedType; |
35: | } |
36: | |
37: | public function getReferencedClasses(): array |
38: | { |
39: | return []; |
40: | } |
41: | |
42: | public function getObjectClassNames(): array |
43: | { |
44: | return []; |
45: | } |
46: | |
47: | public function getObjectClassReflections(): array |
48: | { |
49: | return []; |
50: | } |
51: | |
52: | public function accepts(Type $type, bool $strictTypes): AcceptsResult |
53: | { |
54: | if ($type instanceof CompoundType) { |
55: | return $type->isAcceptedBy($this, $strictTypes); |
56: | } |
57: | |
58: | return AcceptsResult::createFromBoolean( |
59: | $type instanceof self || $type instanceof ObjectShapeType || $type->getObjectClassNames() !== [], |
60: | ); |
61: | } |
62: | |
63: | public function isSuperTypeOf(Type $type): IsSuperTypeOfResult |
64: | { |
65: | if ($type instanceof CompoundType) { |
66: | return $type->isSubTypeOf($this); |
67: | } |
68: | |
69: | if ($type instanceof self) { |
70: | if ($this->subtractedType === null) { |
71: | return IsSuperTypeOfResult::createYes(); |
72: | } |
73: | if ($type->subtractedType !== null) { |
74: | $isSuperType = $type->subtractedType->isSuperTypeOf($this->subtractedType); |
75: | if ($isSuperType->yes()) { |
76: | return $isSuperType; |
77: | } |
78: | } |
79: | |
80: | return IsSuperTypeOfResult::createMaybe(); |
81: | } |
82: | |
83: | if ($type instanceof ObjectShapeType) { |
84: | return IsSuperTypeOfResult::createYes(); |
85: | } |
86: | |
87: | if ($type->getObjectClassNames() === []) { |
88: | return IsSuperTypeOfResult::createNo(); |
89: | } |
90: | |
91: | if ($this->subtractedType === null) { |
92: | return IsSuperTypeOfResult::createYes(); |
93: | } |
94: | |
95: | return $this->subtractedType->isSuperTypeOf($type)->negate(); |
96: | } |
97: | |
98: | public function equals(Type $type): bool |
99: | { |
100: | if (!$type instanceof self) { |
101: | return false; |
102: | } |
103: | |
104: | if ($this->subtractedType === null) { |
105: | if ($type->subtractedType === null) { |
106: | return true; |
107: | } |
108: | |
109: | return false; |
110: | } |
111: | |
112: | if ($type->subtractedType === null) { |
113: | return false; |
114: | } |
115: | |
116: | return $this->subtractedType->equals($type->subtractedType); |
117: | } |
118: | |
119: | public function describe(VerbosityLevel $level): string |
120: | { |
121: | return $level->handle( |
122: | static fn (): string => 'object', |
123: | static fn (): string => 'object', |
124: | fn (): string => 'object' . $this->describeSubtractedType($this->subtractedType, $level), |
125: | ); |
126: | } |
127: | |
128: | public function getEnumCases(): array |
129: | { |
130: | return []; |
131: | } |
132: | |
133: | public function subtract(Type $type): Type |
134: | { |
135: | if ($type instanceof self) { |
136: | return new NeverType(); |
137: | } |
138: | if ($this->subtractedType !== null) { |
139: | $type = TypeCombinator::union($this->subtractedType, $type); |
140: | } |
141: | |
142: | return new self($type); |
143: | } |
144: | |
145: | public function getTypeWithoutSubtractedType(): Type |
146: | { |
147: | return new self(); |
148: | } |
149: | |
150: | public function changeSubtractedType(?Type $subtractedType): Type |
151: | { |
152: | return new self($subtractedType); |
153: | } |
154: | |
155: | public function getSubtractedType(): ?Type |
156: | { |
157: | return $this->subtractedType; |
158: | } |
159: | |
160: | public function traverse(callable $cb): Type |
161: | { |
162: | $subtractedType = $this->subtractedType !== null ? $cb($this->subtractedType) : null; |
163: | |
164: | if ($subtractedType !== $this->subtractedType) { |
165: | return new self($subtractedType); |
166: | } |
167: | |
168: | return $this; |
169: | } |
170: | |
171: | public function traverseSimultaneously(Type $right, callable $cb): Type |
172: | { |
173: | if ($this->subtractedType === null) { |
174: | return $this; |
175: | } |
176: | |
177: | return new self(); |
178: | } |
179: | |
180: | public function tryRemove(Type $typeToRemove): ?Type |
181: | { |
182: | if ($this->isSuperTypeOf($typeToRemove)->yes()) { |
183: | return $this->subtract($typeToRemove); |
184: | } |
185: | |
186: | return null; |
187: | } |
188: | |
189: | public function exponentiate(Type $exponent): Type |
190: | { |
191: | if (!$exponent instanceof NeverType && !$this->isSuperTypeOf($exponent)->no()) { |
192: | return TypeCombinator::union($this, $exponent); |
193: | } |
194: | |
195: | return new BenevolentUnionType([ |
196: | new FloatType(), |
197: | new IntegerType(), |
198: | ]); |
199: | } |
200: | |
201: | public function getFiniteTypes(): array |
202: | { |
203: | return []; |
204: | } |
205: | |
206: | public function toPhpDocNode(): TypeNode |
207: | { |
208: | return new IdentifierTypeNode('object'); |
209: | } |
210: | |
211: | } |
212: | |