| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace PHPStan\Reflection; |
| 4: | |
| 5: | use PhpParser\Node\Stmt\ClassMethod; |
| 6: | use PhpParser\Node\Stmt\Function_; |
| 7: | use PHPStan\Analyser\Scope; |
| 8: | use PHPStan\BetterReflection\Reflection\Adapter\ReflectionFunction; |
| 9: | use PHPStan\BetterReflection\Reflection\Adapter\ReflectionParameter; |
| 10: | use PHPStan\BetterReflection\Reflection\ReflectionConstant; |
| 11: | use PHPStan\ShouldNotHappenException; |
| 12: | use function array_slice; |
| 13: | use function count; |
| 14: | use function explode; |
| 15: | use function implode; |
| 16: | use function sprintf; |
| 17: | |
| 18: | |
| 19: | |
| 20: | |
| 21: | final class InitializerExprContext implements NamespaceAnswerer |
| 22: | { |
| 23: | |
| 24: | |
| 25: | |
| 26: | |
| 27: | private function __construct( |
| 28: | private ?string $file, |
| 29: | private ?string $namespace, |
| 30: | private ?string $className, |
| 31: | private ?string $traitName, |
| 32: | private ?string $function, |
| 33: | private ?string $method, |
| 34: | ) |
| 35: | { |
| 36: | } |
| 37: | |
| 38: | public static function fromScope(Scope $scope): self |
| 39: | { |
| 40: | return new self( |
| 41: | $scope->getFile(), |
| 42: | $scope->getNamespace(), |
| 43: | $scope->isInClass() ? $scope->getClassReflection()->getName() : null, |
| 44: | $scope->isInTrait() ? $scope->getTraitReflection()->getName() : null, |
| 45: | $scope->isInAnonymousFunction() ? '{closure}' : ($scope->getFunction() !== null ? $scope->getFunction()->getName() : null), |
| 46: | $scope->isInAnonymousFunction() ? '{closure}' : ($scope->getFunction() instanceof MethodReflection |
| 47: | ? sprintf('%s::%s', $scope->getFunction()->getDeclaringClass()->getName(), $scope->getFunction()->getName()) |
| 48: | : ($scope->getFunction() instanceof FunctionReflection ? $scope->getFunction()->getName() : null)), |
| 49: | ); |
| 50: | } |
| 51: | |
| 52: | |
| 53: | |
| 54: | |
| 55: | private static function parseNamespace(string $name): ?string |
| 56: | { |
| 57: | $parts = explode('\\', $name); |
| 58: | if (count($parts) > 1) { |
| 59: | $ns = implode('\\', array_slice($parts, 0, -1)); |
| 60: | if ($ns === '') { |
| 61: | throw new ShouldNotHappenException('Namespace cannot be empty.'); |
| 62: | } |
| 63: | return $ns; |
| 64: | } |
| 65: | |
| 66: | return null; |
| 67: | } |
| 68: | |
| 69: | public static function fromClassReflection(ClassReflection $classReflection): self |
| 70: | { |
| 71: | return self::fromClass($classReflection->getName(), $classReflection->getFileName()); |
| 72: | } |
| 73: | |
| 74: | public static function fromClass(string $className, ?string $fileName): self |
| 75: | { |
| 76: | return new self( |
| 77: | $fileName, |
| 78: | self::parseNamespace($className), |
| 79: | $className, |
| 80: | null, |
| 81: | null, |
| 82: | null, |
| 83: | ); |
| 84: | } |
| 85: | |
| 86: | public static function fromReflectionParameter(ReflectionParameter $parameter): self |
| 87: | { |
| 88: | $declaringFunction = $parameter->getDeclaringFunction(); |
| 89: | if ($declaringFunction instanceof ReflectionFunction) { |
| 90: | $file = $declaringFunction->getFileName(); |
| 91: | return new self( |
| 92: | $file === false ? null : $file, |
| 93: | self::parseNamespace($declaringFunction->getName()), |
| 94: | null, |
| 95: | null, |
| 96: | $declaringFunction->getName(), |
| 97: | $declaringFunction->getName(), |
| 98: | ); |
| 99: | } |
| 100: | |
| 101: | $file = $declaringFunction->getFileName(); |
| 102: | |
| 103: | $betterReflection = $declaringFunction->getBetterReflection(); |
| 104: | |
| 105: | return new self( |
| 106: | $file === false ? null : $file, |
| 107: | self::parseNamespace($betterReflection->getDeclaringClass()->getName()), |
| 108: | $declaringFunction->getDeclaringClass()->getName(), |
| 109: | $betterReflection->getDeclaringClass()->isTrait() ? $betterReflection->getDeclaringClass()->getName() : null, |
| 110: | $declaringFunction->getName(), |
| 111: | sprintf('%s::%s', $declaringFunction->getDeclaringClass()->getName(), $declaringFunction->getName()), |
| 112: | ); |
| 113: | } |
| 114: | |
| 115: | public static function fromStubParameter( |
| 116: | ?string $className, |
| 117: | string $stubFile, |
| 118: | ClassMethod|Function_ $function, |
| 119: | ): self |
| 120: | { |
| 121: | $namespace = null; |
| 122: | if ($className !== null) { |
| 123: | $namespace = self::parseNamespace($className); |
| 124: | } else { |
| 125: | if ($function instanceof Function_ && $function->namespacedName !== null) { |
| 126: | $namespace = self::parseNamespace($function->namespacedName->toString()); |
| 127: | } |
| 128: | } |
| 129: | return new self( |
| 130: | $stubFile, |
| 131: | $namespace, |
| 132: | $className, |
| 133: | null, |
| 134: | $function instanceof Function_ && $function->namespacedName !== null ? $function->namespacedName->toString() : ($function instanceof ClassMethod ? $function->name->toString() : null), |
| 135: | $function instanceof ClassMethod && $className !== null |
| 136: | ? sprintf('%s::%s', $className, $function->name->toString()) |
| 137: | : ($function instanceof Function_ && $function->namespacedName !== null ? $function->namespacedName->toString() : null), |
| 138: | ); |
| 139: | } |
| 140: | |
| 141: | public static function fromGlobalConstant(ReflectionConstant $constant): self |
| 142: | { |
| 143: | return new self( |
| 144: | $constant->getFileName(), |
| 145: | $constant->getNamespaceName(), |
| 146: | null, |
| 147: | null, |
| 148: | null, |
| 149: | null, |
| 150: | ); |
| 151: | } |
| 152: | |
| 153: | public static function createEmpty(): self |
| 154: | { |
| 155: | return new self(null, null, null, null, null, null); |
| 156: | } |
| 157: | |
| 158: | public function getFile(): ?string |
| 159: | { |
| 160: | return $this->file; |
| 161: | } |
| 162: | |
| 163: | public function getClassName(): ?string |
| 164: | { |
| 165: | return $this->className; |
| 166: | } |
| 167: | |
| 168: | public function getNamespace(): ?string |
| 169: | { |
| 170: | return $this->namespace; |
| 171: | } |
| 172: | |
| 173: | public function getTraitName(): ?string |
| 174: | { |
| 175: | return $this->traitName; |
| 176: | } |
| 177: | |
| 178: | public function getFunction(): ?string |
| 179: | { |
| 180: | return $this->function; |
| 181: | } |
| 182: | |
| 183: | public function getMethod(): ?string |
| 184: | { |
| 185: | return $this->method; |
| 186: | } |
| 187: | |
| 188: | } |
| 189: | |