| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace PHPStan\Type; |
| 4: | |
| 5: | use Closure; |
| 6: | use PHPStan\Analyser\OutOfClassScope; |
| 7: | use PHPStan\Node\InvalidateExprNode; |
| 8: | use PHPStan\Php\PhpVersion; |
| 9: | use PHPStan\PhpDoc\Tag\TemplateTag; |
| 10: | use PHPStan\PhpDocParser\Ast\PhpDoc\TemplateTagValueNode; |
| 11: | use PHPStan\PhpDocParser\Ast\Type\CallableTypeNode; |
| 12: | use PHPStan\PhpDocParser\Ast\Type\CallableTypeParameterNode; |
| 13: | use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode; |
| 14: | use PHPStan\PhpDocParser\Ast\Type\TypeNode; |
| 15: | use PHPStan\PhpDocParser\Printer\Printer; |
| 16: | use PHPStan\Reflection\Assertions; |
| 17: | use PHPStan\Reflection\Callables\CallableParametersAcceptor; |
| 18: | use PHPStan\Reflection\Callables\SimpleImpurePoint; |
| 19: | use PHPStan\Reflection\Callables\SimpleThrowPoint; |
| 20: | use PHPStan\Reflection\ClassConstantReflection; |
| 21: | use PHPStan\Reflection\ClassMemberAccessAnswerer; |
| 22: | use PHPStan\Reflection\ClassReflection; |
| 23: | use PHPStan\Reflection\ExtendedMethodReflection; |
| 24: | use PHPStan\Reflection\ExtendedParameterReflection; |
| 25: | use PHPStan\Reflection\ExtendedPropertyReflection; |
| 26: | use PHPStan\Reflection\Native\NativeParameterReflection; |
| 27: | use PHPStan\Reflection\ParameterReflection; |
| 28: | use PHPStan\Reflection\ParametersAcceptor; |
| 29: | use PHPStan\Reflection\ParametersAcceptorSelector; |
| 30: | use PHPStan\Reflection\PassedByReference; |
| 31: | use PHPStan\Reflection\Php\ClosureCallUnresolvedMethodPrototypeReflection; |
| 32: | use PHPStan\Reflection\Php\DummyParameter; |
| 33: | use PHPStan\Reflection\Type\UnresolvedMethodPrototypeReflection; |
| 34: | use PHPStan\Reflection\Type\UnresolvedPropertyPrototypeReflection; |
| 35: | use PHPStan\TrinaryLogic; |
| 36: | use PHPStan\Type\Constant\ConstantArrayType; |
| 37: | use PHPStan\Type\Constant\ConstantBooleanType; |
| 38: | use PHPStan\Type\Constant\ConstantIntegerType; |
| 39: | use PHPStan\Type\Enum\EnumCaseObjectType; |
| 40: | use PHPStan\Type\Generic\TemplateType; |
| 41: | use PHPStan\Type\Generic\TemplateTypeHelper; |
| 42: | use PHPStan\Type\Generic\TemplateTypeMap; |
| 43: | use PHPStan\Type\Generic\TemplateTypeVariance; |
| 44: | use PHPStan\Type\Generic\TemplateTypeVarianceMap; |
| 45: | use PHPStan\Type\Traits\NonArrayTypeTrait; |
| 46: | use PHPStan\Type\Traits\NonGeneralizableTypeTrait; |
| 47: | use PHPStan\Type\Traits\NonIterableTypeTrait; |
| 48: | use PHPStan\Type\Traits\NonOffsetAccessibleTypeTrait; |
| 49: | use PHPStan\Type\Traits\NonRemoveableTypeTrait; |
| 50: | use PHPStan\Type\Traits\UndecidedComparisonTypeTrait; |
| 51: | use function array_map; |
| 52: | use function array_merge; |
| 53: | use function count; |
| 54: | |
| 55: | |
| 56: | class ClosureType implements TypeWithClassName, CallableParametersAcceptor |
| 57: | { |
| 58: | |
| 59: | use NonArrayTypeTrait; |
| 60: | use NonIterableTypeTrait; |
| 61: | use UndecidedComparisonTypeTrait; |
| 62: | use NonOffsetAccessibleTypeTrait; |
| 63: | use NonRemoveableTypeTrait; |
| 64: | use NonGeneralizableTypeTrait; |
| 65: | |
| 66: | |
| 67: | private array $parameters; |
| 68: | |
| 69: | private Type $returnType; |
| 70: | |
| 71: | private bool $isCommonCallable; |
| 72: | |
| 73: | private ObjectType $objectType; |
| 74: | |
| 75: | private TemplateTypeMap $templateTypeMap; |
| 76: | |
| 77: | private TemplateTypeMap $resolvedTemplateTypeMap; |
| 78: | |
| 79: | private TemplateTypeVarianceMap $callSiteVarianceMap; |
| 80: | |
| 81: | |
| 82: | private array $impurePoints; |
| 83: | |
| 84: | private TrinaryLogic $acceptsNamedArguments; |
| 85: | |
| 86: | private TrinaryLogic $mustUseReturnValue; |
| 87: | |
| 88: | private Assertions $assertions; |
| 89: | |
| 90: | |
| 91: | |
| 92: | |
| 93: | |
| 94: | |
| 95: | |
| 96: | |
| 97: | |
| 98: | |
| 99: | public function __construct( |
| 100: | ?array $parameters = null, |
| 101: | ?Type $returnType = null, |
| 102: | private bool $variadic = true, |
| 103: | ?TemplateTypeMap $templateTypeMap = null, |
| 104: | ?TemplateTypeMap $resolvedTemplateTypeMap = null, |
| 105: | ?TemplateTypeVarianceMap $callSiteVarianceMap = null, |
| 106: | private array $templateTags = [], |
| 107: | private array $throwPoints = [], |
| 108: | ?array $impurePoints = null, |
| 109: | private array $invalidateExpressions = [], |
| 110: | private array $usedVariables = [], |
| 111: | ?TrinaryLogic $acceptsNamedArguments = null, |
| 112: | ?TrinaryLogic $mustUseReturnValue = null, |
| 113: | ?Assertions $assertions = null, |
| 114: | ) |
| 115: | { |
| 116: | if ($acceptsNamedArguments === null) { |
| 117: | $acceptsNamedArguments = TrinaryLogic::createYes(); |
| 118: | } |
| 119: | $this->acceptsNamedArguments = $acceptsNamedArguments; |
| 120: | if ($mustUseReturnValue === null) { |
| 121: | $mustUseReturnValue = TrinaryLogic::createMaybe(); |
| 122: | } |
| 123: | $this->mustUseReturnValue = $mustUseReturnValue; |
| 124: | |
| 125: | $this->parameters = $parameters ?? []; |
| 126: | $this->returnType = $returnType ?? new MixedType(); |
| 127: | $this->isCommonCallable = $parameters === null && $returnType === null; |
| 128: | $this->objectType = new ObjectType(Closure::class); |
| 129: | $this->templateTypeMap = $templateTypeMap ?? TemplateTypeMap::createEmpty(); |
| 130: | $this->resolvedTemplateTypeMap = $resolvedTemplateTypeMap ?? TemplateTypeMap::createEmpty(); |
| 131: | $this->callSiteVarianceMap = $callSiteVarianceMap ?? TemplateTypeVarianceMap::createEmpty(); |
| 132: | $this->impurePoints = $impurePoints ?? [new SimpleImpurePoint('functionCall', 'call to an unknown Closure', false)]; |
| 133: | $this->assertions = $assertions ?? Assertions::createEmpty(); |
| 134: | } |
| 135: | |
| 136: | public function getAsserts(): Assertions |
| 137: | { |
| 138: | return $this->assertions; |
| 139: | } |
| 140: | |
| 141: | |
| 142: | |
| 143: | |
| 144: | public function getTemplateTags(): array |
| 145: | { |
| 146: | return $this->templateTags; |
| 147: | } |
| 148: | |
| 149: | public static function createPure(): self |
| 150: | { |
| 151: | return new self( |
| 152: | parameters: null, |
| 153: | returnType: null, |
| 154: | variadic: true, |
| 155: | templateTypeMap: null, |
| 156: | resolvedTemplateTypeMap: null, |
| 157: | callSiteVarianceMap: null, |
| 158: | templateTags: [], |
| 159: | throwPoints: [], |
| 160: | impurePoints: [], |
| 161: | ); |
| 162: | } |
| 163: | |
| 164: | public function isPure(): TrinaryLogic |
| 165: | { |
| 166: | $impurePoints = $this->getImpurePoints(); |
| 167: | if (count($impurePoints) === 0) { |
| 168: | return TrinaryLogic::createYes(); |
| 169: | } |
| 170: | |
| 171: | $certainCount = 0; |
| 172: | foreach ($impurePoints as $impurePoint) { |
| 173: | if (!$impurePoint->isCertain()) { |
| 174: | continue; |
| 175: | } |
| 176: | |
| 177: | $certainCount++; |
| 178: | } |
| 179: | |
| 180: | return $certainCount > 0 ? TrinaryLogic::createNo() : TrinaryLogic::createMaybe(); |
| 181: | } |
| 182: | |
| 183: | public function getClassName(): string |
| 184: | { |
| 185: | return $this->objectType->getClassName(); |
| 186: | } |
| 187: | |
| 188: | public function getClassReflection(): ?ClassReflection |
| 189: | { |
| 190: | return $this->objectType->getClassReflection(); |
| 191: | } |
| 192: | |
| 193: | public function getAncestorWithClassName(string $className): ?TypeWithClassName |
| 194: | { |
| 195: | return $this->objectType->getAncestorWithClassName($className); |
| 196: | } |
| 197: | |
| 198: | public function getReferencedClasses(): array |
| 199: | { |
| 200: | $classes = $this->objectType->getReferencedClasses(); |
| 201: | foreach ($this->parameters as $parameter) { |
| 202: | $classes = array_merge($classes, $parameter->getType()->getReferencedClasses()); |
| 203: | } |
| 204: | |
| 205: | return array_merge($classes, $this->returnType->getReferencedClasses()); |
| 206: | } |
| 207: | |
| 208: | public function getObjectClassNames(): array |
| 209: | { |
| 210: | return $this->objectType->getObjectClassNames(); |
| 211: | } |
| 212: | |
| 213: | public function getObjectClassReflections(): array |
| 214: | { |
| 215: | return $this->objectType->getObjectClassReflections(); |
| 216: | } |
| 217: | |
| 218: | public function accepts(Type $type, bool $strictTypes): AcceptsResult |
| 219: | { |
| 220: | if ($type instanceof CompoundType) { |
| 221: | return $type->isAcceptedBy($this, $strictTypes); |
| 222: | } |
| 223: | |
| 224: | if (!$type instanceof ClosureType) { |
| 225: | return $this->objectType->accepts($type, $strictTypes); |
| 226: | } |
| 227: | |
| 228: | return $this->isSuperTypeOfInternal($type, true)->toAcceptsResult(); |
| 229: | } |
| 230: | |
| 231: | public function isSuperTypeOf(Type $type): IsSuperTypeOfResult |
| 232: | { |
| 233: | if ($type instanceof CompoundType) { |
| 234: | return $type->isSubTypeOf($this); |
| 235: | } |
| 236: | |
| 237: | return $this->isSuperTypeOfInternal($type, false); |
| 238: | } |
| 239: | |
| 240: | private function isSuperTypeOfInternal(Type $type, bool $treatMixedAsAny): IsSuperTypeOfResult |
| 241: | { |
| 242: | if ($type instanceof self) { |
| 243: | $parameterTypes = array_map(static fn ($parameter) => $parameter->getType(), $this->getParameters()); |
| 244: | $variant = ParametersAcceptorSelector::selectFromTypes($parameterTypes, [$type], false); |
| 245: | if (!$variant instanceof CallableParametersAcceptor) { |
| 246: | return IsSuperTypeOfResult::createNo([]); |
| 247: | } |
| 248: | return CallableTypeHelper::isParametersAcceptorSuperTypeOf( |
| 249: | $this, |
| 250: | $variant, |
| 251: | $treatMixedAsAny, |
| 252: | ); |
| 253: | } |
| 254: | |
| 255: | if ($type->getObjectClassNames() === [Closure::class]) { |
| 256: | return IsSuperTypeOfResult::createMaybe(); |
| 257: | } |
| 258: | |
| 259: | return $this->objectType->isSuperTypeOf($type); |
| 260: | } |
| 261: | |
| 262: | public function equals(Type $type): bool |
| 263: | { |
| 264: | if (!$type instanceof self) { |
| 265: | return false; |
| 266: | } |
| 267: | |
| 268: | return $this->describe(VerbosityLevel::precise()) === $type->describe(VerbosityLevel::precise()) |
| 269: | && $this->isPure()->equals($type->isPure()); |
| 270: | } |
| 271: | |
| 272: | public function describe(VerbosityLevel $level): string |
| 273: | { |
| 274: | return $level->handle( |
| 275: | static fn (): string => 'Closure', |
| 276: | function (): string { |
| 277: | if ($this->isCommonCallable) { |
| 278: | return $this->isPure()->yes() ? 'pure-Closure' : 'Closure'; |
| 279: | } |
| 280: | |
| 281: | $printer = new Printer(); |
| 282: | $selfWithoutParameterNames = new self( |
| 283: | array_map(static fn (ParameterReflection $p): ParameterReflection => new DummyParameter( |
| 284: | '', |
| 285: | $p->getType(), |
| 286: | optional: $p->isOptional() && !$p->isVariadic(), |
| 287: | passedByReference: PassedByReference::createNo(), |
| 288: | variadic: $p->isVariadic(), |
| 289: | defaultValue: $p->getDefaultValue(), |
| 290: | ), $this->parameters), |
| 291: | $this->returnType, |
| 292: | $this->variadic, |
| 293: | $this->templateTypeMap, |
| 294: | $this->resolvedTemplateTypeMap, |
| 295: | $this->callSiteVarianceMap, |
| 296: | $this->templateTags, |
| 297: | $this->throwPoints, |
| 298: | $this->impurePoints, |
| 299: | $this->invalidateExpressions, |
| 300: | $this->usedVariables, |
| 301: | $this->acceptsNamedArguments, |
| 302: | $this->mustUseReturnValue, |
| 303: | ); |
| 304: | |
| 305: | return $printer->print($selfWithoutParameterNames->toPhpDocNode()); |
| 306: | }, |
| 307: | ); |
| 308: | } |
| 309: | |
| 310: | public function isOffsetAccessLegal(): TrinaryLogic |
| 311: | { |
| 312: | return TrinaryLogic::createNo(); |
| 313: | } |
| 314: | |
| 315: | public function isObject(): TrinaryLogic |
| 316: | { |
| 317: | return $this->objectType->isObject(); |
| 318: | } |
| 319: | |
| 320: | public function getClassStringType(): Type |
| 321: | { |
| 322: | return $this->objectType->getClassStringType(); |
| 323: | } |
| 324: | |
| 325: | public function isEnum(): TrinaryLogic |
| 326: | { |
| 327: | return $this->objectType->isEnum(); |
| 328: | } |
| 329: | |
| 330: | public function getTemplateType(string $ancestorClassName, string $templateTypeName): Type |
| 331: | { |
| 332: | return $this->objectType->getTemplateType($ancestorClassName, $templateTypeName); |
| 333: | } |
| 334: | |
| 335: | public function canAccessProperties(): TrinaryLogic |
| 336: | { |
| 337: | return $this->objectType->canAccessProperties(); |
| 338: | } |
| 339: | |
| 340: | public function hasProperty(string $propertyName): TrinaryLogic |
| 341: | { |
| 342: | return $this->objectType->hasProperty($propertyName); |
| 343: | } |
| 344: | |
| 345: | public function getProperty(string $propertyName, ClassMemberAccessAnswerer $scope): ExtendedPropertyReflection |
| 346: | { |
| 347: | return $this->objectType->getProperty($propertyName, $scope); |
| 348: | } |
| 349: | |
| 350: | public function getUnresolvedPropertyPrototype(string $propertyName, ClassMemberAccessAnswerer $scope): UnresolvedPropertyPrototypeReflection |
| 351: | { |
| 352: | return $this->objectType->getUnresolvedPropertyPrototype($propertyName, $scope); |
| 353: | } |
| 354: | |
| 355: | public function hasInstanceProperty(string $propertyName): TrinaryLogic |
| 356: | { |
| 357: | return $this->objectType->hasInstanceProperty($propertyName); |
| 358: | } |
| 359: | |
| 360: | public function getInstanceProperty(string $propertyName, ClassMemberAccessAnswerer $scope): ExtendedPropertyReflection |
| 361: | { |
| 362: | return $this->objectType->getInstanceProperty($propertyName, $scope); |
| 363: | } |
| 364: | |
| 365: | public function getUnresolvedInstancePropertyPrototype(string $propertyName, ClassMemberAccessAnswerer $scope): UnresolvedPropertyPrototypeReflection |
| 366: | { |
| 367: | return $this->objectType->getUnresolvedInstancePropertyPrototype($propertyName, $scope); |
| 368: | } |
| 369: | |
| 370: | public function hasStaticProperty(string $propertyName): TrinaryLogic |
| 371: | { |
| 372: | return $this->objectType->hasStaticProperty($propertyName); |
| 373: | } |
| 374: | |
| 375: | public function getStaticProperty(string $propertyName, ClassMemberAccessAnswerer $scope): ExtendedPropertyReflection |
| 376: | { |
| 377: | return $this->objectType->getStaticProperty($propertyName, $scope); |
| 378: | } |
| 379: | |
| 380: | public function getUnresolvedStaticPropertyPrototype(string $propertyName, ClassMemberAccessAnswerer $scope): UnresolvedPropertyPrototypeReflection |
| 381: | { |
| 382: | return $this->objectType->getUnresolvedStaticPropertyPrototype($propertyName, $scope); |
| 383: | } |
| 384: | |
| 385: | public function canCallMethods(): TrinaryLogic |
| 386: | { |
| 387: | return $this->objectType->canCallMethods(); |
| 388: | } |
| 389: | |
| 390: | public function hasMethod(string $methodName): TrinaryLogic |
| 391: | { |
| 392: | return $this->objectType->hasMethod($methodName); |
| 393: | } |
| 394: | |
| 395: | public function getMethod(string $methodName, ClassMemberAccessAnswerer $scope): ExtendedMethodReflection |
| 396: | { |
| 397: | return $this->getUnresolvedMethodPrototype($methodName, $scope)->getTransformedMethod(); |
| 398: | } |
| 399: | |
| 400: | public function getUnresolvedMethodPrototype(string $methodName, ClassMemberAccessAnswerer $scope): UnresolvedMethodPrototypeReflection |
| 401: | { |
| 402: | if ($methodName === 'call') { |
| 403: | return new ClosureCallUnresolvedMethodPrototypeReflection( |
| 404: | $this->objectType->getUnresolvedMethodPrototype($methodName, $scope), |
| 405: | $this, |
| 406: | ); |
| 407: | } |
| 408: | |
| 409: | return $this->objectType->getUnresolvedMethodPrototype($methodName, $scope); |
| 410: | } |
| 411: | |
| 412: | public function canAccessConstants(): TrinaryLogic |
| 413: | { |
| 414: | return $this->objectType->canAccessConstants(); |
| 415: | } |
| 416: | |
| 417: | public function hasConstant(string $constantName): TrinaryLogic |
| 418: | { |
| 419: | return $this->objectType->hasConstant($constantName); |
| 420: | } |
| 421: | |
| 422: | public function getConstant(string $constantName): ClassConstantReflection |
| 423: | { |
| 424: | return $this->objectType->getConstant($constantName); |
| 425: | } |
| 426: | |
| 427: | public function getConstantStrings(): array |
| 428: | { |
| 429: | return []; |
| 430: | } |
| 431: | |
| 432: | public function isIterable(): TrinaryLogic |
| 433: | { |
| 434: | return TrinaryLogic::createNo(); |
| 435: | } |
| 436: | |
| 437: | public function isIterableAtLeastOnce(): TrinaryLogic |
| 438: | { |
| 439: | return TrinaryLogic::createNo(); |
| 440: | } |
| 441: | |
| 442: | public function isCallable(): TrinaryLogic |
| 443: | { |
| 444: | return TrinaryLogic::createYes(); |
| 445: | } |
| 446: | |
| 447: | public function getEnumCases(): array |
| 448: | { |
| 449: | return []; |
| 450: | } |
| 451: | |
| 452: | public function getEnumCaseObject(): ?EnumCaseObjectType |
| 453: | { |
| 454: | return null; |
| 455: | } |
| 456: | |
| 457: | public function isCommonCallable(): bool |
| 458: | { |
| 459: | return $this->isCommonCallable; |
| 460: | } |
| 461: | |
| 462: | public function getCallableParametersAcceptors(ClassMemberAccessAnswerer $scope): array |
| 463: | { |
| 464: | return [$this]; |
| 465: | } |
| 466: | |
| 467: | public function getThrowPoints(): array |
| 468: | { |
| 469: | return $this->throwPoints; |
| 470: | } |
| 471: | |
| 472: | public function getImpurePoints(): array |
| 473: | { |
| 474: | return $this->impurePoints; |
| 475: | } |
| 476: | |
| 477: | public function getInvalidateExpressions(): array |
| 478: | { |
| 479: | return $this->invalidateExpressions; |
| 480: | } |
| 481: | |
| 482: | public function getUsedVariables(): array |
| 483: | { |
| 484: | return $this->usedVariables; |
| 485: | } |
| 486: | |
| 487: | public function acceptsNamedArguments(): TrinaryLogic |
| 488: | { |
| 489: | return $this->acceptsNamedArguments; |
| 490: | } |
| 491: | |
| 492: | public function mustUseReturnValue(): TrinaryLogic |
| 493: | { |
| 494: | return $this->mustUseReturnValue; |
| 495: | } |
| 496: | |
| 497: | public function isCloneable(): TrinaryLogic |
| 498: | { |
| 499: | return TrinaryLogic::createYes(); |
| 500: | } |
| 501: | |
| 502: | public function toBoolean(): BooleanType |
| 503: | { |
| 504: | return new ConstantBooleanType(true); |
| 505: | } |
| 506: | |
| 507: | public function toNumber(): Type |
| 508: | { |
| 509: | return new ErrorType(); |
| 510: | } |
| 511: | |
| 512: | public function toAbsoluteNumber(): Type |
| 513: | { |
| 514: | return new ErrorType(); |
| 515: | } |
| 516: | |
| 517: | public function toInteger(): Type |
| 518: | { |
| 519: | return new ErrorType(); |
| 520: | } |
| 521: | |
| 522: | public function toFloat(): Type |
| 523: | { |
| 524: | return new ErrorType(); |
| 525: | } |
| 526: | |
| 527: | public function toString(): Type |
| 528: | { |
| 529: | return new ErrorType(); |
| 530: | } |
| 531: | |
| 532: | public function toArray(): Type |
| 533: | { |
| 534: | return new ConstantArrayType( |
| 535: | [new ConstantIntegerType(0)], |
| 536: | [$this], |
| 537: | [1], |
| 538: | isList: TrinaryLogic::createYes(), |
| 539: | ); |
| 540: | } |
| 541: | |
| 542: | public function toArrayKey(): Type |
| 543: | { |
| 544: | return new ErrorType(); |
| 545: | } |
| 546: | |
| 547: | public function toCoercedArgumentType(bool $strictTypes): Type |
| 548: | { |
| 549: | return TypeCombinator::union($this, new CallableType()); |
| 550: | } |
| 551: | |
| 552: | public function getTemplateTypeMap(): TemplateTypeMap |
| 553: | { |
| 554: | return $this->templateTypeMap; |
| 555: | } |
| 556: | |
| 557: | public function getResolvedTemplateTypeMap(): TemplateTypeMap |
| 558: | { |
| 559: | return $this->resolvedTemplateTypeMap; |
| 560: | } |
| 561: | |
| 562: | public function getCallSiteVarianceMap(): TemplateTypeVarianceMap |
| 563: | { |
| 564: | return $this->callSiteVarianceMap; |
| 565: | } |
| 566: | |
| 567: | |
| 568: | |
| 569: | |
| 570: | public function getParameters(): array |
| 571: | { |
| 572: | return $this->parameters; |
| 573: | } |
| 574: | |
| 575: | public function isVariadic(): bool |
| 576: | { |
| 577: | return $this->variadic; |
| 578: | } |
| 579: | |
| 580: | public function getReturnType(): Type |
| 581: | { |
| 582: | return $this->returnType; |
| 583: | } |
| 584: | |
| 585: | public function inferTemplateTypes(Type $receivedType): TemplateTypeMap |
| 586: | { |
| 587: | if ($receivedType instanceof UnionType || $receivedType instanceof IntersectionType) { |
| 588: | return $receivedType->inferTemplateTypesOn($this); |
| 589: | } |
| 590: | |
| 591: | if ($receivedType->isCallable()->no() || ! $receivedType instanceof self) { |
| 592: | return TemplateTypeMap::createEmpty(); |
| 593: | } |
| 594: | |
| 595: | $parametersAcceptors = $receivedType->getCallableParametersAcceptors(new OutOfClassScope()); |
| 596: | |
| 597: | $typeMap = TemplateTypeMap::createEmpty(); |
| 598: | |
| 599: | foreach ($parametersAcceptors as $parametersAcceptor) { |
| 600: | $typeMap = $typeMap->union($this->inferTemplateTypesOnParametersAcceptor($parametersAcceptor)); |
| 601: | } |
| 602: | |
| 603: | return $typeMap; |
| 604: | } |
| 605: | |
| 606: | private function inferTemplateTypesOnParametersAcceptor(ParametersAcceptor $parametersAcceptor): TemplateTypeMap |
| 607: | { |
| 608: | $parameterTypes = array_map(static fn ($parameter) => $parameter->getType(), $this->getParameters()); |
| 609: | $parametersAcceptor = ParametersAcceptorSelector::selectFromTypes($parameterTypes, [$parametersAcceptor], false); |
| 610: | $args = $parametersAcceptor->getParameters(); |
| 611: | $returnType = $parametersAcceptor->getReturnType(); |
| 612: | |
| 613: | $typeMap = TemplateTypeMap::createEmpty(); |
| 614: | foreach ($this->getParameters() as $i => $param) { |
| 615: | $paramType = $param->getType(); |
| 616: | if (isset($args[$i])) { |
| 617: | $argType = $args[$i]->getType(); |
| 618: | } elseif ($paramType instanceof TemplateType) { |
| 619: | $argType = TemplateTypeHelper::resolveToBounds($paramType); |
| 620: | } else { |
| 621: | $argType = new NeverType(); |
| 622: | } |
| 623: | |
| 624: | $typeMap = $typeMap->union($paramType->inferTemplateTypes($argType)->convertToLowerBoundTypes()); |
| 625: | } |
| 626: | |
| 627: | return $typeMap->union($this->getReturnType()->inferTemplateTypes($returnType)); |
| 628: | } |
| 629: | |
| 630: | public function getReferencedTemplateTypes(TemplateTypeVariance $positionVariance): array |
| 631: | { |
| 632: | $references = $this->getReturnType()->getReferencedTemplateTypes( |
| 633: | $positionVariance->compose(TemplateTypeVariance::createCovariant()), |
| 634: | ); |
| 635: | |
| 636: | $paramVariance = $positionVariance->compose(TemplateTypeVariance::createContravariant()); |
| 637: | |
| 638: | foreach ($this->getParameters() as $param) { |
| 639: | foreach ($param->getType()->getReferencedTemplateTypes($paramVariance) as $reference) { |
| 640: | $references[] = $reference; |
| 641: | } |
| 642: | } |
| 643: | |
| 644: | return $references; |
| 645: | } |
| 646: | |
| 647: | public function traverse(callable $cb): Type |
| 648: | { |
| 649: | if ($this->isCommonCallable) { |
| 650: | return $this; |
| 651: | } |
| 652: | |
| 653: | return new self( |
| 654: | array_map(static function (ParameterReflection $param) use ($cb): NativeParameterReflection { |
| 655: | $defaultValue = $param->getDefaultValue(); |
| 656: | return new NativeParameterReflection( |
| 657: | $param->getName(), |
| 658: | $param->isOptional(), |
| 659: | $cb($param->getType()), |
| 660: | $param->passedByReference(), |
| 661: | $param->isVariadic(), |
| 662: | $defaultValue !== null ? $cb($defaultValue) : null, |
| 663: | ); |
| 664: | }, $this->getParameters()), |
| 665: | $cb($this->getReturnType()), |
| 666: | $this->isVariadic(), |
| 667: | $this->templateTypeMap, |
| 668: | $this->resolvedTemplateTypeMap, |
| 669: | $this->callSiteVarianceMap, |
| 670: | $this->templateTags, |
| 671: | $this->throwPoints, |
| 672: | $this->impurePoints, |
| 673: | $this->invalidateExpressions, |
| 674: | $this->usedVariables, |
| 675: | $this->acceptsNamedArguments, |
| 676: | $this->mustUseReturnValue, |
| 677: | $this->assertions, |
| 678: | ); |
| 679: | } |
| 680: | |
| 681: | public function traverseSimultaneously(Type $right, callable $cb): Type |
| 682: | { |
| 683: | if ($this->isCommonCallable) { |
| 684: | return $this; |
| 685: | } |
| 686: | |
| 687: | if (!$right instanceof self) { |
| 688: | return $this; |
| 689: | } |
| 690: | |
| 691: | $rightParameters = $right->getParameters(); |
| 692: | if (count($this->getParameters()) !== count($rightParameters)) { |
| 693: | return $this; |
| 694: | } |
| 695: | |
| 696: | $parameters = []; |
| 697: | foreach ($this->getParameters() as $i => $leftParam) { |
| 698: | $rightParam = $rightParameters[$i]; |
| 699: | $leftDefaultValue = $leftParam->getDefaultValue(); |
| 700: | $rightDefaultValue = $rightParam->getDefaultValue(); |
| 701: | $defaultValue = $leftDefaultValue; |
| 702: | if ($leftDefaultValue !== null && $rightDefaultValue !== null) { |
| 703: | $defaultValue = $cb($leftDefaultValue, $rightDefaultValue); |
| 704: | } |
| 705: | $parameters[] = new NativeParameterReflection( |
| 706: | $leftParam->getName(), |
| 707: | $leftParam->isOptional(), |
| 708: | $cb($leftParam->getType(), $rightParam->getType()), |
| 709: | $leftParam->passedByReference(), |
| 710: | $leftParam->isVariadic(), |
| 711: | $defaultValue, |
| 712: | ); |
| 713: | } |
| 714: | |
| 715: | return new self( |
| 716: | $parameters, |
| 717: | $cb($this->getReturnType(), $right->getReturnType()), |
| 718: | $this->isVariadic(), |
| 719: | $this->templateTypeMap, |
| 720: | $this->resolvedTemplateTypeMap, |
| 721: | $this->callSiteVarianceMap, |
| 722: | $this->templateTags, |
| 723: | $this->throwPoints, |
| 724: | $this->impurePoints, |
| 725: | $this->invalidateExpressions, |
| 726: | $this->usedVariables, |
| 727: | $this->acceptsNamedArguments, |
| 728: | $this->mustUseReturnValue, |
| 729: | $this->assertions, |
| 730: | ); |
| 731: | } |
| 732: | |
| 733: | public function isNull(): TrinaryLogic |
| 734: | { |
| 735: | return TrinaryLogic::createNo(); |
| 736: | } |
| 737: | |
| 738: | public function isConstantValue(): TrinaryLogic |
| 739: | { |
| 740: | return TrinaryLogic::createNo(); |
| 741: | } |
| 742: | |
| 743: | public function isConstantScalarValue(): TrinaryLogic |
| 744: | { |
| 745: | return TrinaryLogic::createNo(); |
| 746: | } |
| 747: | |
| 748: | public function getConstantScalarTypes(): array |
| 749: | { |
| 750: | return []; |
| 751: | } |
| 752: | |
| 753: | public function getConstantScalarValues(): array |
| 754: | { |
| 755: | return []; |
| 756: | } |
| 757: | |
| 758: | public function isTrue(): TrinaryLogic |
| 759: | { |
| 760: | return TrinaryLogic::createNo(); |
| 761: | } |
| 762: | |
| 763: | public function isFalse(): TrinaryLogic |
| 764: | { |
| 765: | return TrinaryLogic::createNo(); |
| 766: | } |
| 767: | |
| 768: | public function isBoolean(): TrinaryLogic |
| 769: | { |
| 770: | return TrinaryLogic::createNo(); |
| 771: | } |
| 772: | |
| 773: | public function isFloat(): TrinaryLogic |
| 774: | { |
| 775: | return TrinaryLogic::createNo(); |
| 776: | } |
| 777: | |
| 778: | public function isInteger(): TrinaryLogic |
| 779: | { |
| 780: | return TrinaryLogic::createNo(); |
| 781: | } |
| 782: | |
| 783: | public function isString(): TrinaryLogic |
| 784: | { |
| 785: | return TrinaryLogic::createNo(); |
| 786: | } |
| 787: | |
| 788: | public function isNumericString(): TrinaryLogic |
| 789: | { |
| 790: | return TrinaryLogic::createNo(); |
| 791: | } |
| 792: | |
| 793: | public function isNonEmptyString(): TrinaryLogic |
| 794: | { |
| 795: | return TrinaryLogic::createNo(); |
| 796: | } |
| 797: | |
| 798: | public function isNonFalsyString(): TrinaryLogic |
| 799: | { |
| 800: | return TrinaryLogic::createNo(); |
| 801: | } |
| 802: | |
| 803: | public function isLiteralString(): TrinaryLogic |
| 804: | { |
| 805: | return TrinaryLogic::createNo(); |
| 806: | } |
| 807: | |
| 808: | public function isLowercaseString(): TrinaryLogic |
| 809: | { |
| 810: | return TrinaryLogic::createNo(); |
| 811: | } |
| 812: | |
| 813: | public function isClassString(): TrinaryLogic |
| 814: | { |
| 815: | return TrinaryLogic::createNo(); |
| 816: | } |
| 817: | |
| 818: | public function isUppercaseString(): TrinaryLogic |
| 819: | { |
| 820: | return TrinaryLogic::createNo(); |
| 821: | } |
| 822: | |
| 823: | public function getClassStringObjectType(): Type |
| 824: | { |
| 825: | return new ErrorType(); |
| 826: | } |
| 827: | |
| 828: | public function getObjectTypeOrClassStringObjectType(): Type |
| 829: | { |
| 830: | return $this; |
| 831: | } |
| 832: | |
| 833: | public function isVoid(): TrinaryLogic |
| 834: | { |
| 835: | return TrinaryLogic::createNo(); |
| 836: | } |
| 837: | |
| 838: | public function isScalar(): TrinaryLogic |
| 839: | { |
| 840: | return TrinaryLogic::createNo(); |
| 841: | } |
| 842: | |
| 843: | public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType |
| 844: | { |
| 845: | return new BooleanType(); |
| 846: | } |
| 847: | |
| 848: | public function exponentiate(Type $exponent): Type |
| 849: | { |
| 850: | return new ErrorType(); |
| 851: | } |
| 852: | |
| 853: | public function getFiniteTypes(): array |
| 854: | { |
| 855: | return []; |
| 856: | } |
| 857: | |
| 858: | public function toPhpDocNode(): TypeNode |
| 859: | { |
| 860: | if ($this->isCommonCallable) { |
| 861: | return new IdentifierTypeNode($this->isPure()->yes() ? 'pure-Closure' : 'Closure'); |
| 862: | } |
| 863: | |
| 864: | $parameters = []; |
| 865: | foreach ($this->parameters as $parameter) { |
| 866: | $parameters[] = new CallableTypeParameterNode( |
| 867: | $parameter->getType()->toPhpDocNode(), |
| 868: | !$parameter->passedByReference()->no(), |
| 869: | $parameter->isVariadic(), |
| 870: | $parameter->getName() === '' ? '' : '$' . $parameter->getName(), |
| 871: | $parameter->isOptional(), |
| 872: | ); |
| 873: | } |
| 874: | |
| 875: | $templateTags = []; |
| 876: | foreach ($this->templateTags as $templateName => $templateTag) { |
| 877: | $templateTags[] = new TemplateTagValueNode( |
| 878: | $templateName, |
| 879: | $templateTag->getBound()->toPhpDocNode(), |
| 880: | '', |
| 881: | ); |
| 882: | } |
| 883: | |
| 884: | return new CallableTypeNode( |
| 885: | new IdentifierTypeNode('Closure'), |
| 886: | $parameters, |
| 887: | $this->returnType->toPhpDocNode(), |
| 888: | $templateTags, |
| 889: | ); |
| 890: | } |
| 891: | |
| 892: | public function hasTemplateOrLateResolvableType(): bool |
| 893: | { |
| 894: | foreach ($this->parameters as $parameter) { |
| 895: | if ($parameter->getType()->hasTemplateOrLateResolvableType()) { |
| 896: | return true; |
| 897: | } |
| 898: | |
| 899: | if (!$parameter instanceof ExtendedParameterReflection) { |
| 900: | continue; |
| 901: | } |
| 902: | |
| 903: | if ($parameter->getOutType() !== null && $parameter->getOutType()->hasTemplateOrLateResolvableType()) { |
| 904: | return true; |
| 905: | } |
| 906: | if ($parameter->getClosureThisType() !== null && $parameter->getClosureThisType()->hasTemplateOrLateResolvableType()) { |
| 907: | return true; |
| 908: | } |
| 909: | } |
| 910: | |
| 911: | return $this->getReturnType()->hasTemplateOrLateResolvableType(); |
| 912: | } |
| 913: | |
| 914: | } |
| 915: | |