644 FormatDiagnostic(const char *DiagStr, const char *DiagEnd,  in FormatDiagnostic()  argument
650   if (DiagEnd - DiagStr == 2 &&  in FormatDiagnostic()
651       StringRef(DiagStr, DiagEnd - DiagStr).equals("%0") &&  in FormatDiagnostic()
677   while (DiagStr != DiagEnd) {  in FormatDiagnostic()
678     if (DiagStr[0] != '%') {  in FormatDiagnostic()
680       const char *StrEnd = std::find(DiagStr, DiagEnd, '%');  in FormatDiagnostic()
681       OutStr.append(DiagStr, StrEnd);  in FormatDiagnostic()
682       DiagStr = StrEnd;  in FormatDiagnostic()
684     } else if (isPunctuation(DiagStr[1])) {  in FormatDiagnostic()
685       OutStr.push_back(DiagStr[1]);  // %% -> %.  in FormatDiagnostic()
686       DiagStr += 2;  in FormatDiagnostic()
691     ++DiagStr;  in FormatDiagnostic()
702     if (!isDigit(DiagStr[0])) {  in FormatDiagnostic()
703       Modifier = DiagStr;  in FormatDiagnostic()
704       while (DiagStr[0] == '-' ||  in FormatDiagnostic()
705              (DiagStr[0] >= 'a' && DiagStr[0] <= 'z'))  in FormatDiagnostic()
706         ++DiagStr;  in FormatDiagnostic()
707       ModifierLen = DiagStr-Modifier;  in FormatDiagnostic()
710       if (DiagStr[0] == '{') {  in FormatDiagnostic()
711         ++DiagStr; // Skip {.  in FormatDiagnostic()
712         Argument = DiagStr;  in FormatDiagnostic()
714         DiagStr = ScanFormat(DiagStr, DiagEnd, '}');  in FormatDiagnostic()
715         assert(DiagStr != DiagEnd && "Mismatched {}'s in diagnostic string!");  in FormatDiagnostic()
716         ArgumentLen = DiagStr-Argument;  in FormatDiagnostic()
717         ++DiagStr;  // Skip }.  in FormatDiagnostic()
721     assert(isDigit(*DiagStr) && "Invalid format for argument in diagnostic");  in FormatDiagnostic()
722     unsigned ArgNo = *DiagStr++ - '0';  in FormatDiagnostic()
729       assert(*DiagStr == ',' && isDigit(*(DiagStr + 1)) &&  in FormatDiagnostic()
731       ++DiagStr;  // Comma.  in FormatDiagnostic()
732       ArgNo2 = *DiagStr++ - '0';  in FormatDiagnostic()