func isTopLevelOutput()

in Sources/SwiftDriver/Jobs/CompileJob.swift [74:99]

• 23 lines of code
• 9 McCabe index (conditional complexity)

  func isTopLevelOutput(type: FileType?) -> Bool {
    switch type {
    case .assembly, .sil, .raw_sil, .llvmIR, .ast, .jsonDependencies, .sib, .raw_sib,
         .importedModules, .indexData:
      return true
    case .object:
      return (linkerOutputType == nil)
    case .llvmBitcode:
      if compilerOutputType != .llvmBitcode {
        // The compiler output isn't bitcode, so bitcode isn't top-level (-embed-bitcode).
        return false
      } else {
        // When -lto is set, .bc will be used for linking. Otherwise, .bc is
        // top-level output (-emit-bc)
        return lto == nil || linkerOutputType == nil
      }
    case .swiftModule:
      return compilerMode.isSingleCompilation && moduleOutputInfo.output?.isTopLevel ?? false
    case .swift, .image, .dSYM, .dependencies, .autolink, .swiftDocumentation, .swiftInterface,
         .privateSwiftInterface, .swiftSourceInfoFile, .diagnostics, .objcHeader, .swiftDeps,
         .remap, .tbd, .moduleTrace, .yamlOptimizationRecord, .bitstreamOptimizationRecord, .pcm,
         .pch, .clangModuleMap, .jsonCompilerFeatures, .jsonTargetInfo, .jsonSwiftArtifacts,
         .indexUnitOutputPath, .modDepCache, .jsonAPIBaseline, .jsonABIBaseline, nil:
      return false
    }
  }