- OwningPtr<MemoryBuffer> GCNO_Buff;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) {
- errs() << InputGCNO << ": " << ec.message() << "\n";
- return 1;
- }
- GCOVBuffer GCNO_GB(GCNO_Buff.take());
- if (!GF.read(GCNO_GB)) {
- errs() << "Invalid .gcno File!\n";
- return 1;
- }
+ // Check if we are invoking a specific tool command.
+ if (argc > 1) {
+ typedef int (*MainFunction)(int, const char *[]);
+ MainFunction Func = StringSwitch<MainFunction>(argv[1])
+ .Case("convert-for-testing", convertForTestingMain)
+ .Case("gcov", gcovMain)
+ .Case("report", reportMain)
+ .Case("show", showMain)
+ .Cases("-h", "-help", "--help", helpMain)
+ .Cases("-version", "--version", versionMain)
+ .Default(nullptr);