void ParseEnvironmentOptions(const char *progName, const char *envvar,
const char *Overview = 0);
+///===---------------------------------------------------------------------===//
+/// SetVersionPrinter - Override the default (LLVM specific) version printer
+/// used to print out the version when --version is given
+/// on the command line. This gives other systems using the
+/// CommandLine utilities to print their own version string.
+void SetVersionPrinter(void (*func)());
+
//===----------------------------------------------------------------------===//
// Flags permitted to be passed to command line arguments
//
}
};
-class VersionPrinter {
-public:
- void operator=(bool OptionWasSpecified) {
- if (OptionWasSpecified) {
- std::cout << "Low Level Virtual Machine (" << PACKAGE_NAME << ") "
- << PACKAGE_VERSION << " (see http://llvm.org/)";
-#ifndef NDEBUG
- std::cout << " ASSERTIONS ENABLED\n";
-#else
- std::cout << "\n";
-#endif
- getOpts().clear(); // Don't bother making option dtors remove from map.
- exit(1);
- }
- }
-};
-
-
// Define the two HelpPrinter instances that are used to print out help, or
// help-hidden...
//
HHOp("help-hidden", cl::desc("Display all available options"),
cl::location(HiddenPrinter), cl::Hidden, cl::ValueDisallowed);
+void (*OverrideVersionPrinter)() = 0;
+
+class VersionPrinter {
+public:
+ void operator=(bool OptionWasSpecified) {
+ if (OptionWasSpecified) {
+ if (OverrideVersionPrinter == 0) {
+ std::cout << "Low Level Virtual Machine (" << PACKAGE_NAME << ") "
+ << PACKAGE_VERSION << " (see http://llvm.org/)";
+#ifndef NDEBUG
+ std::cout << " ASSERTIONS ENABLED\n";
+#else
+ std::cout << "\n";
+#endif
+ getOpts().clear(); // Don't bother making option dtors remove from map.
+ exit(1);
+ } else {
+ (*OverrideVersionPrinter)();
+ exit(1);
+ }
+ }
+ }
+};
+
+
// Define the --version option that prints out the LLVM version for the tool
VersionPrinter VersionPrinterInstance;
cl::opt<VersionPrinter, true, parser<bool> >
// to make it look like --help was given, so we assign true.
NormalPrinter = true;
}
+
+void cl::SetVersionPrinter(void (*func)()) {
+ OverrideVersionPrinter = func;
+}