| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace PHPStan\Type; |
| 4: | |
| 5: | use PHPStan\Php\PhpVersion; |
| 6: | use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode; |
| 7: | use PHPStan\PhpDocParser\Ast\Type\TypeNode; |
| 8: | use PHPStan\TrinaryLogic; |
| 9: | use PHPStan\Type\Constant\ConstantArrayType; |
| 10: | use PHPStan\Type\Constant\ConstantBooleanType; |
| 11: | use PHPStan\Type\Constant\ConstantFloatType; |
| 12: | use PHPStan\Type\Constant\ConstantIntegerType; |
| 13: | use PHPStan\Type\Constant\ConstantStringType; |
| 14: | use PHPStan\Type\Traits\NonArrayTypeTrait; |
| 15: | use PHPStan\Type\Traits\NonCallableTypeTrait; |
| 16: | use PHPStan\Type\Traits\NonGeneralizableTypeTrait; |
| 17: | use PHPStan\Type\Traits\NonGenericTypeTrait; |
| 18: | use PHPStan\Type\Traits\NonIterableTypeTrait; |
| 19: | use PHPStan\Type\Traits\NonObjectTypeTrait; |
| 20: | use PHPStan\Type\Traits\NonOffsetAccessibleTypeTrait; |
| 21: | use PHPStan\Type\Traits\UndecidedBooleanTypeTrait; |
| 22: | use PHPStan\Type\Traits\UndecidedComparisonTypeTrait; |
| 23: | |
| 24: | |
| 25: | class BooleanType implements Type |
| 26: | { |
| 27: | |
| 28: | use JustNullableTypeTrait; |
| 29: | use NonArrayTypeTrait; |
| 30: | use NonCallableTypeTrait; |
| 31: | use NonIterableTypeTrait; |
| 32: | use NonObjectTypeTrait; |
| 33: | use UndecidedBooleanTypeTrait; |
| 34: | use UndecidedComparisonTypeTrait; |
| 35: | use NonGenericTypeTrait; |
| 36: | use NonOffsetAccessibleTypeTrait; |
| 37: | use NonGeneralizableTypeTrait; |
| 38: | |
| 39: | |
| 40: | public function __construct() |
| 41: | { |
| 42: | } |
| 43: | |
| 44: | public function getConstantStrings(): array |
| 45: | { |
| 46: | return []; |
| 47: | } |
| 48: | |
| 49: | public function getConstantScalarTypes(): array |
| 50: | { |
| 51: | return [new ConstantBooleanType(true), new ConstantBooleanType(false)]; |
| 52: | } |
| 53: | |
| 54: | public function getConstantScalarValues(): array |
| 55: | { |
| 56: | return [true, false]; |
| 57: | } |
| 58: | |
| 59: | public function describe(VerbosityLevel $level): string |
| 60: | { |
| 61: | return 'bool'; |
| 62: | } |
| 63: | |
| 64: | public function toNumber(): Type |
| 65: | { |
| 66: | return $this->toInteger(); |
| 67: | } |
| 68: | |
| 69: | public function toAbsoluteNumber(): Type |
| 70: | { |
| 71: | return $this->toNumber()->toAbsoluteNumber(); |
| 72: | } |
| 73: | |
| 74: | public function toString(): Type |
| 75: | { |
| 76: | return TypeCombinator::union( |
| 77: | new ConstantStringType(''), |
| 78: | new ConstantStringType('1'), |
| 79: | ); |
| 80: | } |
| 81: | |
| 82: | public function toInteger(): Type |
| 83: | { |
| 84: | return TypeCombinator::union( |
| 85: | new ConstantIntegerType(0), |
| 86: | new ConstantIntegerType(1), |
| 87: | ); |
| 88: | } |
| 89: | |
| 90: | public function toFloat(): Type |
| 91: | { |
| 92: | return TypeCombinator::union( |
| 93: | new ConstantFloatType(0.0), |
| 94: | new ConstantFloatType(1.0), |
| 95: | ); |
| 96: | } |
| 97: | |
| 98: | public function toArray(): Type |
| 99: | { |
| 100: | return new ConstantArrayType( |
| 101: | [new ConstantIntegerType(0)], |
| 102: | [$this], |
| 103: | [1], |
| 104: | isList: TrinaryLogic::createYes(), |
| 105: | ); |
| 106: | } |
| 107: | |
| 108: | public function toArrayKey(): Type |
| 109: | { |
| 110: | return new UnionType([new ConstantIntegerType(0), new ConstantIntegerType(1)]); |
| 111: | } |
| 112: | |
| 113: | public function toCoercedArgumentType(bool $strictTypes): Type |
| 114: | { |
| 115: | if (!$strictTypes) { |
| 116: | return TypeCombinator::union($this->toInteger(), $this->toFloat(), $this->toString(), $this); |
| 117: | } |
| 118: | |
| 119: | return $this; |
| 120: | } |
| 121: | |
| 122: | public function isOffsetAccessLegal(): TrinaryLogic |
| 123: | { |
| 124: | return TrinaryLogic::createYes(); |
| 125: | } |
| 126: | |
| 127: | public function isNull(): TrinaryLogic |
| 128: | { |
| 129: | return TrinaryLogic::createNo(); |
| 130: | } |
| 131: | |
| 132: | public function isTrue(): TrinaryLogic |
| 133: | { |
| 134: | return TrinaryLogic::createMaybe(); |
| 135: | } |
| 136: | |
| 137: | public function isFalse(): TrinaryLogic |
| 138: | { |
| 139: | return TrinaryLogic::createMaybe(); |
| 140: | } |
| 141: | |
| 142: | public function isBoolean(): TrinaryLogic |
| 143: | { |
| 144: | return TrinaryLogic::createYes(); |
| 145: | } |
| 146: | |
| 147: | public function isScalar(): TrinaryLogic |
| 148: | { |
| 149: | return TrinaryLogic::createYes(); |
| 150: | } |
| 151: | |
| 152: | public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType |
| 153: | { |
| 154: | return new BooleanType(); |
| 155: | } |
| 156: | |
| 157: | public function tryRemove(Type $typeToRemove): ?Type |
| 158: | { |
| 159: | if ($typeToRemove instanceof ConstantBooleanType) { |
| 160: | return new ConstantBooleanType(!$typeToRemove->getValue()); |
| 161: | } |
| 162: | |
| 163: | return null; |
| 164: | } |
| 165: | |
| 166: | public function getFiniteTypes(): array |
| 167: | { |
| 168: | return [ |
| 169: | new ConstantBooleanType(true), |
| 170: | new ConstantBooleanType(false), |
| 171: | ]; |
| 172: | } |
| 173: | |
| 174: | public function exponentiate(Type $exponent): Type |
| 175: | { |
| 176: | return ExponentiateHelper::exponentiate($this, $exponent); |
| 177: | } |
| 178: | |
| 179: | public function toPhpDocNode(): TypeNode |
| 180: | { |
| 181: | return new IdentifierTypeNode('bool'); |
| 182: | } |
| 183: | |
| 184: | public function toTrinaryLogic(): TrinaryLogic |
| 185: | { |
| 186: | if ($this->isTrue()->yes()) { |
| 187: | return TrinaryLogic::createYes(); |
| 188: | } |
| 189: | if ($this->isFalse()->yes()) { |
| 190: | return TrinaryLogic::createNo(); |
| 191: | } |
| 192: | |
| 193: | return TrinaryLogic::createMaybe(); |
| 194: | } |
| 195: | |
| 196: | } |
| 197: | |