1512 struct DarwinPlatform {  struct
1513   enum SourceKind {
1528   using DarwinPlatformKind = Darwin::DarwinPlatformKind;
1529   using DarwinEnvironmentKind = Darwin::DarwinEnvironmentKind;
1531   DarwinPlatformKind getPlatform() const { return Platform; }  in getPlatform()
1533   DarwinEnvironmentKind getEnvironment() const { return Environment; }  in getEnvironment()
1535   void setEnvironment(DarwinEnvironmentKind Kind) {  in setEnvironment()
1540   StringRef getOSVersion() const {  in getOSVersion()
1546   void setOSVersion(StringRef S) {  in setOSVersion()
1551   bool hasOSVersion() const { return HasOSVersion; }  in hasOSVersion()
1553   VersionTuple getNativeTargetVersion() const {  in getNativeTargetVersion()
1560   bool isExplicitlySpecified() const { return Kind <= DeploymentTargetEnv; }  in isExplicitlySpecified()
1563   bool canInferSimulatorFromArch() const { return InferSimulatorFromArch; }  in canInferSimulatorFromArch()
1565   const std::optional<llvm::Triple> &getTargetVariantTriple() const {  in getTargetVariantTriple()
1570   void addOSVersionMinArgument(DerivedArgList &Args, const OptTable &Opts) {  in addOSVersionMinArgument()
1599   std::string getAsString(DerivedArgList &Args, const OptTable &Opts) {  in getAsString()
1614   void setEnvironment(llvm::Triple::EnvironmentType EnvType,  in setEnvironment()
1652   createFromTarget(const llvm::Triple &TT, StringRef OSVersion, Arg *A,  in createFromTarget()
1665   createFromMTargetOS(llvm::Triple::OSType OS, VersionTuple OSVersion,  in createFromMTargetOS()
1674   static DarwinPlatform createOSVersionArg(DarwinPlatformKind Platform, Arg *A,  in createOSVersionArg()
1681   static DarwinPlatform createDeploymentTargetEnv(DarwinPlatformKind Platform,  in createDeploymentTargetEnv()
1688   static DarwinPlatform createFromSDK(DarwinPlatformKind Platform,  in createFromSDK()
1697   static DarwinPlatform createFromArch(llvm::Triple::OSType OS,  in createFromArch()
1705   DarwinSDKInfo inferSDKInfo() {  in inferSDKInfo()
1717   DarwinPlatform(SourceKind Kind, DarwinPlatformKind Platform, Arg *Argument)  in DarwinPlatform()  argument
1719   DarwinPlatform(SourceKind Kind, DarwinPlatformKind Platform, StringRef Value,  in DarwinPlatform()  argument
1723   static DarwinPlatformKind getPlatformFromOS(llvm::Triple::OSType OS) {  in getPlatformFromOS()
1741   SourceKind Kind;
1742   DarwinPlatformKind Platform;
1743   DarwinEnvironmentKind Environment = DarwinEnvironmentKind::NativeEnvironment;
1744   VersionTuple NativeTargetVersion;
1745   std::string OSVersion;
1746   bool HasOSVersion = true, InferSimulatorFromArch = true;
1747   Arg *Argument;
1748   StringRef EnvVarName;
1749   std::optional<llvm::Triple> TargetVariantTriple;