mutating func computePrimaryOutput()

in Sources/SwiftDriver/Jobs/CompileJob.swift [42:71]
27 lines of code
9 McCabe index (conditional complexity)

  mutating func computePrimaryOutput(for input: TypedVirtualPath, outputType: FileType,
                                        isTopLevel: Bool) -> TypedVirtualPath {
    if let path = outputFileMap?.existingOutput(inputFile: input.fileHandle, outputType: outputType) {
      return TypedVirtualPath(file: path, type: outputType)
    }

    if isTopLevel {
      if let baseOutput = parsedOptions.getLastArgument(.o)?.asSingle,
         let baseOutputPath = try? VirtualPath.intern(path: baseOutput) {
        return TypedVirtualPath(file: baseOutputPath, type: outputType)
      } else if compilerOutputType?.isTextual == true {
        return TypedVirtualPath(file: .standardOutput, type: outputType)
      } else if outputType == .swiftModule, let moduleOutput = moduleOutputInfo.output {
        return TypedVirtualPath(file: moduleOutput.outputPath, type: outputType)
      }
    }

    let baseName: String
    if !compilerMode.usesPrimaryFileInputs && numThreads == 0 {
      baseName = moduleOutputInfo.name
    } else {
      baseName = input.file.basenameWithoutExt
    }

    if !isTopLevel {
      return TypedVirtualPath(file: VirtualPath.createUniqueTemporaryFile(.init(baseName.appendingFileTypeExtension(outputType))).intern(),
                              type: outputType)
    }
    return TypedVirtualPath(file: useWorkingDirectory(.init(baseName.appendingFileTypeExtension(outputType))).intern(), type: outputType)
  }