852 FormatDiagnostic(const char *DiagStr, const char *DiagEnd,  in FormatDiagnostic()  argument
857   if (DiagEnd - DiagStr == 2 &&  in FormatDiagnostic()
858       StringRef(DiagStr, DiagEnd - DiagStr).equals("%0") &&  in FormatDiagnostic()
880   while (DiagStr != DiagEnd) {  in FormatDiagnostic()
881     if (DiagStr[0] != '%') {  in FormatDiagnostic()
883       const char *StrEnd = std::find(DiagStr, DiagEnd, '%');  in FormatDiagnostic()
884       OutStr.append(DiagStr, StrEnd);  in FormatDiagnostic()
885       DiagStr = StrEnd;  in FormatDiagnostic()
887     } else if (isPunctuation(DiagStr[1])) {  in FormatDiagnostic()
888       OutStr.push_back(DiagStr[1]);  // %% -> %.  in FormatDiagnostic()
889       DiagStr += 2;  in FormatDiagnostic()
894     ++DiagStr;  in FormatDiagnostic()
905     if (!isDigit(DiagStr[0])) {  in FormatDiagnostic()
906       Modifier = DiagStr;  in FormatDiagnostic()
907       while (DiagStr[0] == '-' ||  in FormatDiagnostic()
908              (DiagStr[0] >= 'a' && DiagStr[0] <= 'z'))  in FormatDiagnostic()
909         ++DiagStr;  in FormatDiagnostic()
910       ModifierLen = DiagStr-Modifier;  in FormatDiagnostic()
913       if (DiagStr[0] == '{') {  in FormatDiagnostic()
914         ++DiagStr; // Skip {.  in FormatDiagnostic()
915         Argument = DiagStr;  in FormatDiagnostic()
917         DiagStr = ScanFormat(DiagStr, DiagEnd, '}');  in FormatDiagnostic()
918         assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!");  in FormatDiagnostic()
919         ArgumentLen = DiagStr-Argument;  in FormatDiagnostic()
920         ++DiagStr;  // Skip }.  in FormatDiagnostic()
924     assert(isDigit(*DiagStr) && "Invalid format for argument in diagnostic");  in FormatDiagnostic()
925     unsigned ArgNo = *DiagStr++ - '0';  in FormatDiagnostic()
932       assert(*DiagStr == ',' && isDigit(*(DiagStr + 1)) &&  in FormatDiagnostic()
934       ++DiagStr;  // Comma.  in FormatDiagnostic()
935       ArgNo2 = *DiagStr++ - '0';  in FormatDiagnostic()