1376 struct DarwinPlatform {  struct
1377   enum SourceKind {
1390   using DarwinPlatformKind = Darwin::DarwinPlatformKind;
1391   using DarwinEnvironmentKind = Darwin::DarwinEnvironmentKind;
1393   DarwinPlatformKind getPlatform() const { return Platform; }  in getPlatform()
1395   DarwinEnvironmentKind getEnvironment() const { return Environment; }  in getEnvironment()
1397   void setEnvironment(DarwinEnvironmentKind Kind) {  in setEnvironment()
1402   StringRef getOSVersion() const {  in getOSVersion()
1408   void setOSVersion(StringRef S) {  in setOSVersion()
1413   bool hasOSVersion() const { return HasOSVersion; }  in hasOSVersion()
1416   bool isExplicitlySpecified() const { return Kind <= DeploymentTargetEnv; }  in isExplicitlySpecified()
1419   bool canInferSimulatorFromArch() const { return InferSimulatorFromArch; }  in canInferSimulatorFromArch()
1422   void addOSVersionMinArgument(DerivedArgList &Args, const OptTable &Opts) {  in addOSVersionMinArgument()
1447   std::string getAsString(DerivedArgList &Args, const OptTable &Opts) {  in getAsString()
1461   static DarwinPlatform createFromTarget(const llvm::Triple &TT,  in createFromTarget()
1478   static DarwinPlatform createOSVersionArg(DarwinPlatformKind Platform,  in createOSVersionArg()
1482   static DarwinPlatform createDeploymentTargetEnv(DarwinPlatformKind Platform,  in createDeploymentTargetEnv()
1489   static DarwinPlatform createFromSDK(DarwinPlatformKind Platform,  in createFromSDK()
1498   static DarwinPlatform createFromArch(llvm::Triple::OSType OS,  in createFromArch()
1506   DarwinSDKInfo inferSDKInfo() {  in inferSDKInfo()
1516   DarwinPlatform(SourceKind Kind, DarwinPlatformKind Platform, Arg *Argument)  in DarwinPlatform()  argument
1518   DarwinPlatform(SourceKind Kind, DarwinPlatformKind Platform, StringRef Value,  in DarwinPlatform()  argument
1522   static DarwinPlatformKind getPlatformFromOS(llvm::Triple::OSType OS) {  in getPlatformFromOS()
1538   SourceKind Kind;
1539   DarwinPlatformKind Platform;
1540   DarwinEnvironmentKind Environment = DarwinEnvironmentKind::NativeEnvironment;
1541   std::string OSVersion;
1542   bool HasOSVersion = true, InferSimulatorFromArch = true;
1543   Arg *Argument;
1544   StringRef EnvVarName;