| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace PHPStan\Type; |
| 4: | |
| 5: | use PHPStan\Type\Accessory\AccessoryType; |
| 6: | use PHPStan\Type\Accessory\HasPropertyType; |
| 7: | use PHPStan\Type\Constant\ConstantArrayType; |
| 8: | use PHPStan\Type\Constant\ConstantIntegerType; |
| 9: | use PHPStan\Type\Generic\TemplateBenevolentUnionType; |
| 10: | use PHPStan\Type\Generic\TemplateType; |
| 11: | use PHPStan\Type\Generic\TemplateUnionType; |
| 12: | use function array_merge; |
| 13: | |
| 14: | |
| 15: | |
| 16: | |
| 17: | final class TypeUtils |
| 18: | { |
| 19: | |
| 20: | |
| 21: | |
| 22: | |
| 23: | public static function getConstantIntegers(Type $type): array |
| 24: | { |
| 25: | return self::map(ConstantIntegerType::class, $type, false); |
| 26: | } |
| 27: | |
| 28: | |
| 29: | |
| 30: | |
| 31: | public static function getIntegerRanges(Type $type): array |
| 32: | { |
| 33: | return self::map(IntegerRangeType::class, $type, false); |
| 34: | } |
| 35: | |
| 36: | |
| 37: | |
| 38: | |
| 39: | private static function map( |
| 40: | string $typeClass, |
| 41: | Type $type, |
| 42: | bool $inspectIntersections, |
| 43: | bool $stopOnUnmatched = true, |
| 44: | ): array |
| 45: | { |
| 46: | if ($type instanceof $typeClass) { |
| 47: | return [$type]; |
| 48: | } |
| 49: | |
| 50: | if ($type instanceof UnionType) { |
| 51: | $matchingTypes = []; |
| 52: | foreach ($type->getTypes() as $innerType) { |
| 53: | $matchingInner = self::map($typeClass, $innerType, $inspectIntersections, $stopOnUnmatched); |
| 54: | |
| 55: | if ($matchingInner === []) { |
| 56: | if ($stopOnUnmatched) { |
| 57: | return []; |
| 58: | } |
| 59: | |
| 60: | continue; |
| 61: | } |
| 62: | |
| 63: | foreach ($matchingInner as $innerMapped) { |
| 64: | $matchingTypes[] = $innerMapped; |
| 65: | } |
| 66: | } |
| 67: | |
| 68: | return $matchingTypes; |
| 69: | } |
| 70: | |
| 71: | if ($inspectIntersections && $type instanceof IntersectionType) { |
| 72: | $matchingTypes = []; |
| 73: | foreach ($type->getTypes() as $innerType) { |
| 74: | if (!$innerType instanceof $typeClass) { |
| 75: | if ($stopOnUnmatched) { |
| 76: | return []; |
| 77: | } |
| 78: | |
| 79: | continue; |
| 80: | } |
| 81: | |
| 82: | $matchingTypes[] = $innerType; |
| 83: | } |
| 84: | |
| 85: | return $matchingTypes; |
| 86: | } |
| 87: | |
| 88: | return []; |
| 89: | } |
| 90: | |
| 91: | public static function toBenevolentUnion(Type $type): Type |
| 92: | { |
| 93: | if ($type instanceof BenevolentUnionType) { |
| 94: | return $type; |
| 95: | } |
| 96: | |
| 97: | if ($type instanceof UnionType) { |
| 98: | return new BenevolentUnionType($type->getTypes()); |
| 99: | } |
| 100: | |
| 101: | return $type; |
| 102: | } |
| 103: | |
| 104: | |
| 105: | |
| 106: | |
| 107: | public static function toStrictUnion(Type $type): Type |
| 108: | { |
| 109: | if ($type instanceof TemplateBenevolentUnionType) { |
| 110: | return new TemplateUnionType( |
| 111: | $type->getScope(), |
| 112: | $type->getStrategy(), |
| 113: | $type->getVariance(), |
| 114: | $type->getName(), |
| 115: | static::toStrictUnion($type->getBound()), |
| 116: | $type->getDefault(), |
| 117: | ); |
| 118: | } |
| 119: | |
| 120: | if ($type instanceof BenevolentUnionType) { |
| 121: | return new UnionType($type->getTypes()); |
| 122: | } |
| 123: | |
| 124: | return $type; |
| 125: | } |
| 126: | |
| 127: | |
| 128: | |
| 129: | |
| 130: | public static function flattenTypes(Type $type): array |
| 131: | { |
| 132: | if ($type instanceof ConstantArrayType) { |
| 133: | return $type->getAllArrays(); |
| 134: | } |
| 135: | |
| 136: | if ($type instanceof UnionType) { |
| 137: | $types = []; |
| 138: | foreach ($type->getTypes() as $innerType) { |
| 139: | if ($innerType instanceof ConstantArrayType) { |
| 140: | foreach ($innerType->getAllArrays() as $array) { |
| 141: | $types[] = $array; |
| 142: | } |
| 143: | continue; |
| 144: | } |
| 145: | |
| 146: | $types[] = $innerType; |
| 147: | } |
| 148: | |
| 149: | return $types; |
| 150: | } |
| 151: | |
| 152: | return [$type]; |
| 153: | } |
| 154: | |
| 155: | public static function findThisType(Type $type): ?ThisType |
| 156: | { |
| 157: | if ($type instanceof ThisType) { |
| 158: | return $type; |
| 159: | } |
| 160: | |
| 161: | if ($type instanceof UnionType || $type instanceof IntersectionType) { |
| 162: | foreach ($type->getTypes() as $innerType) { |
| 163: | $thisType = self::findThisType($innerType); |
| 164: | if ($thisType !== null) { |
| 165: | return $thisType; |
| 166: | } |
| 167: | } |
| 168: | } |
| 169: | |
| 170: | return null; |
| 171: | } |
| 172: | |
| 173: | public static function findCallableType(Type $type): ?Type |
| 174: | { |
| 175: | if ($type->isCallable()->yes()) { |
| 176: | return $type; |
| 177: | } |
| 178: | |
| 179: | if ($type instanceof UnionType) { |
| 180: | foreach ($type->getTypes() as $innerType) { |
| 181: | $callableType = self::findCallableType($innerType); |
| 182: | if ($callableType !== null) { |
| 183: | return $callableType; |
| 184: | } |
| 185: | } |
| 186: | } |
| 187: | |
| 188: | return null; |
| 189: | } |
| 190: | |
| 191: | |
| 192: | |
| 193: | |
| 194: | public static function getHasPropertyTypes(Type $type): array |
| 195: | { |
| 196: | if ($type instanceof HasPropertyType) { |
| 197: | return [$type]; |
| 198: | } |
| 199: | |
| 200: | if ($type instanceof UnionType || $type instanceof IntersectionType) { |
| 201: | $hasPropertyTypes = [[]]; |
| 202: | foreach ($type->getTypes() as $innerType) { |
| 203: | $hasPropertyTypes[] = self::getHasPropertyTypes($innerType); |
| 204: | } |
| 205: | |
| 206: | return array_merge(...$hasPropertyTypes); |
| 207: | } |
| 208: | |
| 209: | return []; |
| 210: | } |
| 211: | |
| 212: | |
| 213: | |
| 214: | |
| 215: | public static function getAccessoryTypes(Type $type): array |
| 216: | { |
| 217: | return self::map(AccessoryType::class, $type, true, false); |
| 218: | } |
| 219: | |
| 220: | public static function containsTemplateType(Type $type): bool |
| 221: | { |
| 222: | $containsTemplateType = false; |
| 223: | TypeTraverser::map($type, static function (Type $type, callable $traverse) use (&$containsTemplateType): Type { |
| 224: | if ($type instanceof TemplateType) { |
| 225: | $containsTemplateType = true; |
| 226: | } |
| 227: | |
| 228: | return $containsTemplateType ? $type : $traverse($type); |
| 229: | }); |
| 230: | |
| 231: | return $containsTemplateType; |
| 232: | } |
| 233: | |
| 234: | public static function resolveLateResolvableTypes(Type $type, bool $resolveUnresolvableTypes = true): Type |
| 235: | { |
| 236: | |
| 237: | $ignoreResolveUnresolvableTypesLevel = 0; |
| 238: | |
| 239: | return TypeTraverser::map($type, static function (Type $type, callable $traverse) use ($resolveUnresolvableTypes, &$ignoreResolveUnresolvableTypesLevel): Type { |
| 240: | while ($type instanceof LateResolvableType && (($resolveUnresolvableTypes && $ignoreResolveUnresolvableTypesLevel === 0) || $type->isResolvable())) { |
| 241: | $type = $type->resolve(); |
| 242: | } |
| 243: | |
| 244: | if ($type instanceof CallableType || $type instanceof ClosureType) { |
| 245: | $ignoreResolveUnresolvableTypesLevel++; |
| 246: | $result = $traverse($type); |
| 247: | $ignoreResolveUnresolvableTypesLevel--; |
| 248: | |
| 249: | return $result; |
| 250: | } |
| 251: | |
| 252: | return $traverse($type); |
| 253: | }); |
| 254: | } |
| 255: | |
| 256: | } |
| 257: | |