54 static void warn(Twine Message, std::string Whence = "",  in warn()  argument
57   if (!Whence.empty())  in warn()
58     errs() << Whence << ": ";  in warn()
64 static void warn(Error E, StringRef Whence = "") {  in warn()  argument
67       warn(IPE.message(), std::string(Whence), std::string(""));  in warn()
72 static void exitWithError(Twine Message, std::string Whence = "",  in exitWithError()  argument
75   if (!Whence.empty())  in exitWithError()
76     errs() << Whence << ": ";  in exitWithError()
83 static void exitWithError(Error E, StringRef Whence = "") {  in exitWithError()  argument
92       exitWithError(IPE.message(), std::string(Whence), std::string(Hint));  in exitWithError()
97   exitWithError(toString(std::move(E)), std::string(Whence));  in exitWithError()
100 static void exitWithErrorCode(std::error_code EC, StringRef Whence = "") {  in exitWithErrorCode()  argument
101   exitWithError(EC.message(), std::string(Whence));  in exitWithErrorCode()
110                                  StringRef Whence = "") {  in warnOrExitGivenError()  argument
112     exitWithErrorCode(EC, Whence);  in warnOrExitGivenError()
114     warn(EC.message(), std::string(Whence));  in warnOrExitGivenError()