| 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\TrinaryLogic; |
| 8: | use PHPStan\Type\Traits\NonGeneralizableTypeTrait; |
| 9: | use PHPStan\Type\Traits\NonGenericTypeTrait; |
| 10: | use PHPStan\Type\Traits\ObjectTypeTrait; |
| 11: | use PHPStan\Type\Traits\UndecidedComparisonTypeTrait; |
| 12: | use function sprintf; |
| 13: | |
| 14: | |
| 15: | class ObjectWithoutClassType implements SubtractableType |
| 16: | { |
| 17: | |
| 18: | use ObjectTypeTrait; |
| 19: | use NonGenericTypeTrait; |
| 20: | use UndecidedComparisonTypeTrait; |
| 21: | use NonGeneralizableTypeTrait; |
| 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 $level->handle( |
| 122: | static fn (): string => 'object', |
| 123: | static fn (): string => 'object', |
| 124: | function () use ($level): string { |
| 125: | $description = 'object'; |
| 126: | if ($this->subtractedType !== null) { |
| 127: | $description .= $this->subtractedType instanceof UnionType |
| 128: | ? sprintf('~(%s)', $this->subtractedType->describe($level)) |
| 129: | : sprintf('~%s', $this->subtractedType->describe($level)); |
| 130: | } |
| 131: | |
| 132: | return $description; |
| 133: | }, |
| 134: | ); |
| 135: | } |
| 136: | |
| 137: | public function isOffsetAccessLegal(): TrinaryLogic |
| 138: | { |
| 139: | return TrinaryLogic::createMaybe(); |
| 140: | } |
| 141: | |
| 142: | public function getEnumCases(): array |
| 143: | { |
| 144: | return []; |
| 145: | } |
| 146: | |
| 147: | public function subtract(Type $type): Type |
| 148: | { |
| 149: | if ($type instanceof self) { |
| 150: | return new NeverType(); |
| 151: | } |
| 152: | if ($this->subtractedType !== null) { |
| 153: | $type = TypeCombinator::union($this->subtractedType, $type); |
| 154: | } |
| 155: | |
| 156: | return new self($type); |
| 157: | } |
| 158: | |
| 159: | public function getTypeWithoutSubtractedType(): Type |
| 160: | { |
| 161: | return new self(); |
| 162: | } |
| 163: | |
| 164: | public function changeSubtractedType(?Type $subtractedType): Type |
| 165: | { |
| 166: | return new self($subtractedType); |
| 167: | } |
| 168: | |
| 169: | public function getSubtractedType(): ?Type |
| 170: | { |
| 171: | return $this->subtractedType; |
| 172: | } |
| 173: | |
| 174: | public function traverse(callable $cb): Type |
| 175: | { |
| 176: | $subtractedType = $this->subtractedType !== null ? $cb($this->subtractedType) : null; |
| 177: | |
| 178: | if ($subtractedType !== $this->subtractedType) { |
| 179: | return new self($subtractedType); |
| 180: | } |
| 181: | |
| 182: | return $this; |
| 183: | } |
| 184: | |
| 185: | public function traverseSimultaneously(Type $right, callable $cb): Type |
| 186: | { |
| 187: | if ($this->subtractedType === null) { |
| 188: | return $this; |
| 189: | } |
| 190: | |
| 191: | return new self(); |
| 192: | } |
| 193: | |
| 194: | public function tryRemove(Type $typeToRemove): ?Type |
| 195: | { |
| 196: | if ($this->isSuperTypeOf($typeToRemove)->yes()) { |
| 197: | return $this->subtract($typeToRemove); |
| 198: | } |
| 199: | |
| 200: | return null; |
| 201: | } |
| 202: | |
| 203: | public function exponentiate(Type $exponent): Type |
| 204: | { |
| 205: | if (!$exponent instanceof NeverType && !$this->isSuperTypeOf($exponent)->no()) { |
| 206: | return TypeCombinator::union($this, $exponent); |
| 207: | } |
| 208: | |
| 209: | return new BenevolentUnionType([ |
| 210: | new FloatType(), |
| 211: | new IntegerType(), |
| 212: | ]); |
| 213: | } |
| 214: | |
| 215: | public function getFiniteTypes(): array |
| 216: | { |
| 217: | return []; |
| 218: | } |
| 219: | |
| 220: | public function toPhpDocNode(): TypeNode |
| 221: | { |
| 222: | return new IdentifierTypeNode('object'); |
| 223: | } |
| 224: | |
| 225: | } |
| 226: | |