How to use flattenInheritance method of Result class

Best Mockingbird code snippet using Result.flattenInheritance

FlattenInheritanceOperation.swift

Source:FlattenInheritanceOperation.swift

...39    self.useRelaxedLinking = useRelaxedLinking40  }41  42  override func run() throws {43    result.mockableType = flattenInheritance(for: rawType)44  }45  46  private enum ReferencedType {47    case inheritance(typeName: String)48    case conformance(typeName: String)49    case typeAliased(typeName: String)50    51    var typeName: String {52      switch self {53      case .inheritance(let typeName),54           .conformance(let typeName),55           .typeAliased(let typeName): return typeName56      }57    }58    59    var useAutomaticInheritance: Bool {60      switch self {61      case .inheritance, .conformance: return true62      case .typeAliased: return false63      }64    }65  }66  67  /// Recursively traverse the inheritance graph from bottom up (children to parents). Note that68  /// `rawType` is actually an unmerged set of all `RawType` declarations found eg in extensions.69  private static var memoizedMockbleTypes = Synchronized<[String: MockableType]>([:])70  private func flattenInheritance(for rawType: [RawType]) -> MockableType? {71    // All module names that were explicitly referenced from an import declaration.72    let importedModuleNames = Set(rawType.flatMap({73      $0.parsedFile.importedModuleNames.flatMap({ moduleDependencies[$0] ?? [$0] })74        + [$0.parsedFile.moduleName]75    }))76    // Module names are put into an array and sorted so that looking up types is deterministic.77    let moduleNames: [String]78    if useRelaxedLinking {79      // Relaxed linking aims to fix mixed source (ObjC + Swift) targets that implicitly import80      // modules using the bridging header. The type system checks explicitly imported modules81      // first, then falls back to any modules listed as a direct dependency for each raw type82      // partial.83      let implicitModuleNames = Set(rawType.flatMap({84        Array(moduleDependencies[$0.parsedFile.moduleName] ?? [])85      }))86      moduleNames = Array(importedModuleNames).sorted()87        + Array(implicitModuleNames.subtracting(importedModuleNames)).sorted()88    } else {89      moduleNames = Array(importedModuleNames).sorted()90    }91    // Create a copy of `memoizedMockableTypes` to reduce lock contention.92    let memoizedMockableTypes = FlattenInheritanceOperation.memoizedMockbleTypes93      .read({ $0.mapValues({ $0 }) })94    guard let baseRawType = rawType.findBaseRawType() else { return nil }95    96    let fullyQualifiedName = baseRawType.fullyQualifiedModuleName97    if let memoized = memoizedMockableTypes[fullyQualifiedName] { return memoized }98    99    let referencedTypes: [ReferencedType] = rawType100      .compactMap({ $0.dictionary[SwiftDocKey.inheritedtypes.rawValue] as? [StructureDictionary] })101      .flatMap({ $0 })102      .compactMap({ $0[SwiftDocKey.name.rawValue] as? String })103      .map({ ReferencedType.inheritance(typeName: $0) })104      + baseRawType.selfConformanceTypeNames.map({ ReferencedType.conformance(typeName: $0) })105      + baseRawType.aliasedTypeNames.map({ ReferencedType.typeAliased(typeName: $0) })106    107    // Check the base case where the type doesn't inherit from anything.108    guard !referencedTypes.isEmpty else {109      return createMockableType(for: rawType,110                                moduleNames: moduleNames,111                                specializationContexts: [:],112                                opaqueInheritedTypeNames: [])113    }114    115    var opaqueInheritedTypeNames = Set<String>()116    let (rawInheritedTypes, specializationContexts) = referencedTypes117      .reduce(into: ([[RawType]](), [String: SpecializationContext]()), { (result, type) in118        let typeName = type.typeName119        120        // Check if this is a closure instead of a raw type.121        guard !typeName.contains("->", excluding: .allGroups) else { return }122        123        let resolveRawType: (Bool) -> [RawType]? = { useAutomaticInheritance in124          guard let nearestRawType = self.rawTypeRepository125            .nearestInheritedType(named: typeName,126                                  moduleNames: moduleNames,127                                  referencingModuleName: baseRawType.parsedFile.moduleName,128                                  containingTypeNames: baseRawType.containingTypeNames[...])129            else {130              logWarning(131                "\(typeName.singleQuoted) is not defined in the project or in a supporting source file",132                diagnostic: .undefinedType,133                filePath: baseRawType.parsedFile.path,134                line: SourceSubstring.key135                  .extractLinesNumbers(from: baseRawType.dictionary,136                                       contents: baseRawType.parsedFile.file.contents)?.start137              )138              opaqueInheritedTypeNames.insert(typeName)139              return nil140          }141          142          // MockableType maps unmockable inherited raw types to mockable raw types during creation.143          if useAutomaticInheritance,144            let rawType = nearestRawType.findBaseRawType(),145            let mappedType = MockableType.Constants.automaticInheritanceMap[146              rawType.fullyQualifiedModuleName147            ],148            let mappedRawType = self.rawTypeRepository.rawType(named: mappedType.typeName,149                                                               in: mappedType.moduleName) {150            return mappedRawType151          }152          153          return nearestRawType154        }155        156        // Get stored raw type and specialization contexts.157        let useAutomaticInheritance = type.useAutomaticInheritance && baseRawType.kind == .protocol158        guard let rawType = resolveRawType(useAutomaticInheritance) else { return }159        160        result.0.append(rawType)161        162        // Handle specialization of inherited type.163        guard let baseInheritedRawType = rawType.findBaseRawType(),164          !baseInheritedRawType.genericTypes.isEmpty else { return }165        166        result.1[baseInheritedRawType.fullyQualifiedModuleName] =167          SpecializationContext(typeName: typeName, baseRawType: baseInheritedRawType)168      })169    170    // If there are inherited types that aren't processed, flatten them first.171    rawInheritedTypes172      .filter({173        guard let baseRawInheritedType = $0.findBaseRawType() ?? $0.first else { return false }174        return memoizedMockableTypes[baseRawInheritedType.fullyQualifiedModuleName] == nil175      })176      .forEach({177        guard let rawInheritedType = $0.first else { return }178        log("Flattening inherited type \(rawInheritedType.name.singleQuoted) for \(baseRawType.name.singleQuoted)")179        _ = flattenInheritance(for: $0)180      })181    182    return createMockableType(for: rawType,183                              moduleNames: moduleNames,184                              specializationContexts: specializationContexts,185                              opaqueInheritedTypeNames: opaqueInheritedTypeNames)186  }187  188  private func createMockableType(189    for rawType: [RawType],190    moduleNames: [String],191    specializationContexts: [String: SpecializationContext],192    opaqueInheritedTypeNames: Set<String>193  ) -> MockableType? {194    guard let baseRawType = rawType.findBaseRawType() else { return nil }195    let fullyQualifiedName = baseRawType.fullyQualifiedModuleName196    197    // Flattening inherited types could have updated `memoizedMockableTypes`.198    var memoizedMockableTypes = FlattenInheritanceOperation.memoizedMockbleTypes.value199    let mockableType = MockableType(from: rawType,200                                    mockableTypes: memoizedMockableTypes,201                                    moduleNames: moduleNames,202                                    specializationContexts: specializationContexts,203                                    opaqueInheritedTypeNames: opaqueInheritedTypeNames,204                                    rawTypeRepository: self.rawTypeRepository,205                                    typealiasRepository: self.typealiasRepository)206    // Contained types can inherit from their containing types, so store store this potentially207    // preliminary result first.208    FlattenInheritanceOperation.memoizedMockbleTypes.update {209      $0[fullyQualifiedName] = mockableType210    }211    212    if let mockableType = mockableType {213      log("Created mockable type \(mockableType.name.singleQuoted)")214    } else {215      log("Raw type \(baseRawType.name.singleQuoted) is not mockable")216    }217    218    let containedTypes = rawType.flatMap({ $0.containedTypes })219    guard !containedTypes.isEmpty else { return mockableType } // No contained types, early out.220    221    // For each contained type, flatten it before adding it to `mockableType`.222    memoizedMockableTypes[fullyQualifiedName] = mockableType223    mockableType?.containedTypes = containedTypes.compactMap({224      self.flattenInheritance(for: [$0])225    })226    FlattenInheritanceOperation.memoizedMockbleTypes.update {227      $0[fullyQualifiedName] = mockableType228    }229    retainForever(mockableType)230    return mockableType231  }232}...

flattenInheritance

Using AI Code Generation

1let result = Result.flattenInheritance()2let result = Result.flattenInheritance()3let result = Result.flattenInheritance()4let result = Result.flattenInheritance()5let result = Result.flattenInheritance()6let result = Result.flattenInheritance()7let result = Result.flattenInheritance()8let result = Result.flattenInheritance()9let result = Result.flattenInheritance()10let result = Result.flattenInheritance()11let result = Result.flattenInheritance()12let result = Result.flattenInheritance()13let result = Result.flattenInheritance()14let result = Result.flattenInheritance()15let result = Result.flattenInheritance()16let result = Result.flattenInheritance()17let result = Result.flattenInheritance()18let result = Result.flattenInheritance()19let result = Result.flattenInheritance()

flattenInheritance

Using AI Code Generation

1let result = Result.flattenInheritance()2print(result)3let error = Error.flattenInheritance()4print(error)5let error = Error.flattenInheritance()6print(error)7let error = Error.flattenInheritance()8print(error)9let error = Error.flattenInheritance()10print(error)11let error = Error.flattenInheritance()12print(error)13let error = Error.flattenInheritance()14print(error)15let error = Error.flattenInheritance()16print(error)17let error = Error.flattenInheritance()18print(error)19let error = Error.flattenInheritance()20print(error)21let error = Error.flattenInheritance()22print(error)23let error = Error.flattenInheritance()24print(error)25let error = Error.flattenInheritance()26print(error)27let error = Error.flattenInheritance()28print(error)29let error = Error.flattenInheritance()30print(error)31let error = Error.flattenInheritance()32print(error)33let error = Error.flattenInheritance()34print(error)

flattenInheritance

Using AI Code Generation

1import Foundation2{3    init(name: String, age: Int, marks: Int, subject: String)4    {5    }6    func flattenInheritance()7    {8        print("Name: \(name)")9        print("Age: \(age)")10        print("Marks: \(marks)")11        print("Subject: \(subject)")12    }13}14{15    init(name: String, age: Int, marks: Int, subject: String, id: Int)16    {17        super.init(name: name, age: age, marks: marks, subject: subject)18    }19    override func flattenInheritance()20    {21        print("Name: \(name)")22        print("Age: \(age)")23        print("Marks: \(marks)")24        print("Subject: \(subject)")25        print("ID: \(id)")26    }27}28{29    init(name: String, age: Int, marks: Int, subject: String, designation: String)30    {31        super.init(name: name, age: age, marks: marks, subject: subject)32    }33    override func flattenInheritance()34    {35        print("Name: \(name)")36        print("Age: \(age)")37        print("Marks: \(marks)")38        print("Subject: \(subject)")39        print("Designation: \(designation)")40    }41}42{43    static func main()44    {45        let student = Student(name: "John", age: 20, marks: 80, subject: "Science", id: 1)46        let teacher = Teacher(name: "Robert", age: 25, marks: 90, subject: "Maths", designation: "Professor")

flattenInheritance

Using AI Code Generation

1let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])2print(result)3let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])4print(result)5let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])6print(result)7let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])8print(result)9let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])10print(result)11let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])12print(result)13let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])14print(result)15let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])16print(result)17let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])18print(result)19let result = Result.flattenInheritance(of: [1, 2.0, 3, 4.0, 5])20print(result)

flattenInheritance

Using AI Code Generation

1import Foundation2class Result {3}4class Student: Result {5}6class Employee: Result {7}8func flattenInheritance<T: Result>(baseClass: T.Type) -> T {9    let result = T()10    let mirror = Mirror(reflecting: result)11    for child in mirror.children {12        if let label = child.label {13            print(label)14        }15    }16}17let student = Student()18let employee = Employee()19let studentResult = flattenInheritance(baseClass: Student.self)20let employeeResult = flattenInheritance(baseClass: Employee.self)21print(studentResult)22print(employeeResult)23Result(name: "", age: 0, isEligible: false)24Result(name: "", age: 0, isEligible: false)

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