|  1:  | <?php declare(strict_types = 1); | 
|  2:  |  | 
|  3:  | namespace PHPStan\Analyser; | 
|  4:  |  | 
|  5:  | use PHPStan\Reflection\ClassReflection; | 
|  6:  | use PHPStan\ShouldNotHappenException; | 
|  7:  |  | 
|  8:  | class ScopeContext | 
|  9:  | { | 
| 10:  |  | 
| 11:  | 	private function __construct( | 
| 12:  | 		private string $file, | 
| 13:  | 		private ?ClassReflection $classReflection, | 
| 14:  | 		private ?ClassReflection $traitReflection, | 
| 15:  | 	) | 
| 16:  | 	{ | 
| 17:  | 	} | 
| 18:  |  | 
| 19:  | 	 | 
| 20:  | 	public static function create(string $file): self | 
| 21:  | 	{ | 
| 22:  | 		return new self($file, null, null); | 
| 23:  | 	} | 
| 24:  |  | 
| 25:  | 	public function beginFile(): self | 
| 26:  | 	{ | 
| 27:  | 		return new self($this->file, null, null); | 
| 28:  | 	} | 
| 29:  |  | 
| 30:  | 	public function enterClass(ClassReflection $classReflection): self | 
| 31:  | 	{ | 
| 32:  | 		if ($this->classReflection !== null && !$classReflection->isAnonymous()) { | 
| 33:  | 			throw new ShouldNotHappenException(); | 
| 34:  | 		} | 
| 35:  | 		if ($classReflection->isTrait()) { | 
| 36:  | 			throw new ShouldNotHappenException(); | 
| 37:  | 		} | 
| 38:  | 		return new self($this->file, $classReflection, null); | 
| 39:  | 	} | 
| 40:  |  | 
| 41:  | 	public function enterTrait(ClassReflection $traitReflection): self | 
| 42:  | 	{ | 
| 43:  | 		if ($this->classReflection === null) { | 
| 44:  | 			throw new ShouldNotHappenException(); | 
| 45:  | 		} | 
| 46:  | 		if (!$traitReflection->isTrait()) { | 
| 47:  | 			throw new ShouldNotHappenException(); | 
| 48:  | 		} | 
| 49:  |  | 
| 50:  | 		return new self($this->file, $this->classReflection, $traitReflection); | 
| 51:  | 	} | 
| 52:  |  | 
| 53:  | 	public function equals(self $otherContext): bool | 
| 54:  | 	{ | 
| 55:  | 		if ($this->file !== $otherContext->file) { | 
| 56:  | 			return false; | 
| 57:  | 		} | 
| 58:  |  | 
| 59:  | 		if ($this->getClassReflection() === null) { | 
| 60:  | 			return $otherContext->getClassReflection() === null; | 
| 61:  | 		} elseif ($otherContext->getClassReflection() === null) { | 
| 62:  | 			return false; | 
| 63:  | 		} | 
| 64:  |  | 
| 65:  | 		$isSameClass = $this->getClassReflection()->getName() === $otherContext->getClassReflection()->getName(); | 
| 66:  |  | 
| 67:  | 		if ($this->getTraitReflection() === null) { | 
| 68:  | 			return $otherContext->getTraitReflection() === null && $isSameClass; | 
| 69:  | 		} elseif ($otherContext->getTraitReflection() === null) { | 
| 70:  | 			return false; | 
| 71:  | 		} | 
| 72:  |  | 
| 73:  | 		$isSameTrait = $this->getTraitReflection()->getName() === $otherContext->getTraitReflection()->getName(); | 
| 74:  |  | 
| 75:  | 		return $isSameClass && $isSameTrait; | 
| 76:  | 	} | 
| 77:  |  | 
| 78:  | 	public function getFile(): string | 
| 79:  | 	{ | 
| 80:  | 		return $this->file; | 
| 81:  | 	} | 
| 82:  |  | 
| 83:  | 	public function getClassReflection(): ?ClassReflection | 
| 84:  | 	{ | 
| 85:  | 		return $this->classReflection; | 
| 86:  | 	} | 
| 87:  |  | 
| 88:  | 	public function getTraitReflection(): ?ClassReflection | 
| 89:  | 	{ | 
| 90:  | 		return $this->traitReflection; | 
| 91:  | 	} | 
| 92:  |  | 
| 93:  | } | 
| 94:  |  |