777 FormatDiagnostic(const char *DiagStr, const char *DiagEnd,  in FormatDiagnostic()  argument
782   if (DiagEnd - DiagStr == 2 &&  in FormatDiagnostic()
783       StringRef(DiagStr, DiagEnd - DiagStr).equals("%0") &&  in FormatDiagnostic()
809   while (DiagStr != DiagEnd) {  in FormatDiagnostic()
810     if (DiagStr[0] != '%') {  in FormatDiagnostic()
812       const char *StrEnd = std::find(DiagStr, DiagEnd, '%');  in FormatDiagnostic()
813       OutStr.append(DiagStr, StrEnd);  in FormatDiagnostic()
814       DiagStr = StrEnd;  in FormatDiagnostic()
816     } else if (isPunctuation(DiagStr[1])) {  in FormatDiagnostic()
817       OutStr.push_back(DiagStr[1]);  // %% -> %.  in FormatDiagnostic()
818       DiagStr += 2;  in FormatDiagnostic()
823     ++DiagStr;  in FormatDiagnostic()
834     if (!isDigit(DiagStr[0])) {  in FormatDiagnostic()
835       Modifier = DiagStr;  in FormatDiagnostic()
836       while (DiagStr[0] == '-' ||  in FormatDiagnostic()
837              (DiagStr[0] >= 'a' && DiagStr[0] <= 'z'))  in FormatDiagnostic()
838         ++DiagStr;  in FormatDiagnostic()
839       ModifierLen = DiagStr-Modifier;  in FormatDiagnostic()
842       if (DiagStr[0] == '{') {  in FormatDiagnostic()
843         ++DiagStr; // Skip {.  in FormatDiagnostic()
844         Argument = DiagStr;  in FormatDiagnostic()
846         DiagStr = ScanFormat(DiagStr, DiagEnd, '}');  in FormatDiagnostic()
847         assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!");  in FormatDiagnostic()
848         ArgumentLen = DiagStr-Argument;  in FormatDiagnostic()
849         ++DiagStr;  // Skip }.  in FormatDiagnostic()
853     assert(isDigit(*DiagStr) && "Invalid format for argument in diagnostic");  in FormatDiagnostic()
854     unsigned ArgNo = *DiagStr++ - '0';  in FormatDiagnostic()
861       assert(*DiagStr == ',' && isDigit(*(DiagStr + 1)) &&  in FormatDiagnostic()
863       ++DiagStr;  // Comma.  in FormatDiagnostic()
864       ArgNo2 = *DiagStr++ - '0';  in FormatDiagnostic()