776 FormatDiagnostic(const char *DiagStr, const char *DiagEnd,  in FormatDiagnostic()  argument
781   if (DiagEnd - DiagStr == 2 &&  in FormatDiagnostic()
782       StringRef(DiagStr, DiagEnd - DiagStr).equals("%0") &&  in FormatDiagnostic()
808   while (DiagStr != DiagEnd) {  in FormatDiagnostic()
809     if (DiagStr[0] != '%') {  in FormatDiagnostic()
811       const char *StrEnd = std::find(DiagStr, DiagEnd, '%');  in FormatDiagnostic()
812       OutStr.append(DiagStr, StrEnd);  in FormatDiagnostic()
813       DiagStr = StrEnd;  in FormatDiagnostic()
815     } else if (isPunctuation(DiagStr[1])) {  in FormatDiagnostic()
816       OutStr.push_back(DiagStr[1]);  // %% -> %.  in FormatDiagnostic()
817       DiagStr += 2;  in FormatDiagnostic()
822     ++DiagStr;  in FormatDiagnostic()
833     if (!isDigit(DiagStr[0])) {  in FormatDiagnostic()
834       Modifier = DiagStr;  in FormatDiagnostic()
835       while (DiagStr[0] == '-' ||  in FormatDiagnostic()
836              (DiagStr[0] >= 'a' && DiagStr[0] <= 'z'))  in FormatDiagnostic()
837         ++DiagStr;  in FormatDiagnostic()
838       ModifierLen = DiagStr-Modifier;  in FormatDiagnostic()
841       if (DiagStr[0] == '{') {  in FormatDiagnostic()
842         ++DiagStr; // Skip {.  in FormatDiagnostic()
843         Argument = DiagStr;  in FormatDiagnostic()
845         DiagStr = ScanFormat(DiagStr, DiagEnd, '}');  in FormatDiagnostic()
846         assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!");  in FormatDiagnostic()
847         ArgumentLen = DiagStr-Argument;  in FormatDiagnostic()
848         ++DiagStr;  // Skip }.  in FormatDiagnostic()
852     assert(isDigit(*DiagStr) && "Invalid format for argument in diagnostic");  in FormatDiagnostic()
853     unsigned ArgNo = *DiagStr++ - '0';  in FormatDiagnostic()
860       assert(*DiagStr == ',' && isDigit(*(DiagStr + 1)) &&  in FormatDiagnostic()
862       ++DiagStr;  // Comma.  in FormatDiagnostic()
863       ArgNo2 = *DiagStr++ - '0';  in FormatDiagnostic()