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ADT/Triple: Generalize and simplify getDarwinNumber to just be getOSVersion.
llvm-svn: 129799
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@ -224,21 +224,31 @@ public:
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/// if the environment component is present).
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StringRef getOSAndEnvironmentName() const;
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/// getOSNumber - Parse the version number from the OS name component of the
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/// triple, if present.
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///
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/// For example, "fooos1.2.3" would return (1, 2, 3).
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///
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/// If an entry is not defined, it will be returned as 0.
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void getOSVersion(unsigned &Major, unsigned &Minor, unsigned &Micro) const;
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/// getDarwinNumber - Parse the 'darwin number' out of the specific target
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/// triple. For example, if we have darwin8.5 return 8,5,0. If any entry is
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/// not defined, return 0's. This requires that the triple have an OSType of
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/// darwin before it is called.
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void getDarwinNumber(unsigned &Maj, unsigned &Min, unsigned &Revision) const;
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/// getDarwinMajorNumber - Return just the major version number, this is
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/// getOSMajorVersion - Return just the major version number, this is
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/// specialized because it is a common query.
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unsigned getDarwinMajorNumber() const {
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unsigned Maj, Min, Rev;
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getDarwinNumber(Maj, Min, Rev);
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unsigned getOSMajorVersion() const {
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unsigned Maj, Min, Micro;
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getDarwinNumber(Maj, Min, Micro);
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return Maj;
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}
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void getDarwinNumber(unsigned &Major, unsigned &Minor,
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unsigned &Micro) const {
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return getOSVersion(Major, Minor, Micro);
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}
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unsigned getDarwinMajorNumber() const {
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return getOSMajorVersion();
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}
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/// @}
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/// @name Mutators
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/// @{
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@ -532,67 +532,44 @@ StringRef Triple::getOSAndEnvironmentName() const {
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static unsigned EatNumber(StringRef &Str) {
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assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number");
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unsigned Result = Str[0]-'0';
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unsigned Result = 0;
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// Eat the digit.
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Str = Str.substr(1);
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// Handle "darwin11".
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if (Result == 1 && !Str.empty() && Str[0] >= '0' && Str[0] <= '9') {
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do {
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// Consume the leading digit.
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Result = Result*10 + (Str[0] - '0');
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// Eat the digit.
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Str = Str.substr(1);
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}
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} while (!Str.empty() && Str[0] >= '0' && Str[0] <= '9');
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return Result;
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}
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/// getDarwinNumber - Parse the 'darwin number' out of the specific target
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/// triple. For example, if we have darwin8.5 return 8,5,0. If any entry is
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/// not defined, return 0's. This requires that the triple have an OSType of
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/// darwin before it is called.
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void Triple::getDarwinNumber(unsigned &Maj, unsigned &Min,
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unsigned &Revision) const {
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assert(getOS() == Darwin && "Not a darwin target triple!");
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void Triple::getOSVersion(unsigned &Major, unsigned &Minor,
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unsigned &Micro) const {
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StringRef OSName = getOSName();
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assert(OSName.startswith("darwin") && "Unknown darwin target triple!");
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// Strip off "darwin".
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OSName = OSName.substr(6);
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// Assume that the OS portion of the triple starts with the canonical name.
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StringRef OSTypeName = getOSTypeName(getOS());
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if (OSName.startswith(OSTypeName))
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OSName = OSName.substr(OSTypeName.size());
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Maj = Min = Revision = 0;
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// Any unset version defaults to 0.
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Major = Minor = Micro = 0;
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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// Parse up to three components.
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unsigned *Components[3] = { &Major, &Minor, &Micro };
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for (unsigned i = 0; i != 3; ++i) {
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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break;
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// The major version is the first digit.
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Maj = EatNumber(OSName);
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if (OSName.empty()) return;
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// Consume the leading number.
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*Components[i] = EatNumber(OSName);
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// Handle minor version: 10.4.9 -> darwin8.9.
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if (OSName[0] != '.')
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return;
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// Eat the '.'.
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OSName = OSName.substr(1);
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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Min = EatNumber(OSName);
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if (OSName.empty()) return;
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// Handle revision darwin8.9.1
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if (OSName[0] != '.')
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return;
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// Eat the '.'.
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OSName = OSName.substr(1);
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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Revision = EatNumber(OSName);
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// Consume the separator, if present.
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if (OSName.startswith("."))
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OSName = OSName.substr(1);
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}
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}
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void Triple::setTriple(const Twine &Str) {
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