79                                   const char *&ThisTokBuf,  in ProcessCharEscape()  argument
84   const char *EscapeBegin = ThisTokBuf;  in ProcessCharEscape()
87   ++ThisTokBuf;  in ProcessCharEscape()
91   unsigned ResultChar = *ThisTokBuf++;  in ProcessCharEscape()
106       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,  in ProcessCharEscape()
112       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,  in ProcessCharEscape()
133     if (ThisTokBuf == ThisTokEnd || !isHexDigit(*ThisTokBuf)) {  in ProcessCharEscape()
135         Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,  in ProcessCharEscape()
143     for (; ThisTokBuf != ThisTokEnd; ++ThisTokBuf) {  in ProcessCharEscape()
144       int CharVal = llvm::hexDigitValue(ThisTokBuf[0]);  in ProcessCharEscape()
161       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,  in ProcessCharEscape()
168     --ThisTokBuf;  in ProcessCharEscape()
176       ResultChar |= *ThisTokBuf++ - '0';  in ProcessCharEscape()
178     } while (ThisTokBuf != ThisTokEnd && NumDigits < 3 &&  in ProcessCharEscape()
179              ThisTokBuf[0] >= '0' && ThisTokBuf[0] <= '7');  in ProcessCharEscape()
184         Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,  in ProcessCharEscape()
195       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,  in ProcessCharEscape()
204       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,  in ProcessCharEscape()
208       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,  in ProcessCharEscape()
261 static bool ProcessUCNEscape(const char *ThisTokBegin, const char *&ThisTokBuf,  in ProcessUCNEscape()  argument
267   const char *UcnBegin = ThisTokBuf;  in ProcessUCNEscape()
270   ThisTokBuf += 2;  in ProcessUCNEscape()
272   if (ThisTokBuf == ThisTokEnd || !isHexDigit(*ThisTokBuf)) {  in ProcessUCNEscape()
274       Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,  in ProcessUCNEscape()
275            diag::err_hex_escape_no_digits) << StringRef(&ThisTokBuf[-1], 1);  in ProcessUCNEscape()
278   UcnLen = (ThisTokBuf[-1] == 'u' ? 4 : 8);  in ProcessUCNEscape()
280   for (; ThisTokBuf != ThisTokEnd && UcnLenSave; ++ThisTokBuf, UcnLenSave--) {  in ProcessUCNEscape()
281     int CharVal = llvm::hexDigitValue(ThisTokBuf[0]);  in ProcessUCNEscape()
289       Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,  in ProcessUCNEscape()
298       Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,  in ProcessUCNEscape()
311         Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,  in ProcessUCNEscape()
316         Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,  in ProcessUCNEscape()
325     Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,  in ProcessUCNEscape()
333 static int MeasureUCNEscape(const char *ThisTokBegin, const char *&ThisTokBuf,  in MeasureUCNEscape()  argument
344   if (!ProcessUCNEscape(ThisTokBegin, ThisTokBuf, ThisTokEnd, UcnVal,  in MeasureUCNEscape()
368 static void EncodeUCNEscape(const char *ThisTokBegin, const char *&ThisTokBuf,  in EncodeUCNEscape()  argument
377   if (!ProcessUCNEscape(ThisTokBegin, ThisTokBuf, ThisTokEnd, UcnVal, UcnLen,  in EncodeUCNEscape()
1352     const char *ThisTokBuf = &TokenBuf[0];  in init()  local
1358       Lexer::getSpelling(StringToks[i], ThisTokBuf, SM, Features,  in init()
1363     const char *ThisTokBegin = ThisTokBuf;  in init()
1364     const char *ThisTokEnd = ThisTokBuf+ThisTokLen;  in init()
1381         UDSuffixOffset = ThisTokEnd - ThisTokBuf;  in init()
1413     if (ThisTokBuf[0] == 'L' || ThisTokBuf[0] == 'u' || ThisTokBuf[0] == 'U') {  in init()
1414       ++ThisTokBuf;  in init()
1416       if (ThisTokBuf[0] == '8')  in init()
1417         ++ThisTokBuf;  in init()
1421     if (ThisTokBuf[0] == 'R') {  in init()
1422       ThisTokBuf += 2; // skip R"  in init()
1424       const char *Prefix = ThisTokBuf;  in init()
1425       while (ThisTokBuf[0] != '(')  in init()
1426         ++ThisTokBuf;  in init()
1427       ++ThisTokBuf; // skip '('  in init()
1430       ThisTokEnd -= ThisTokBuf - Prefix;  in init()
1431       assert(ThisTokEnd >= ThisTokBuf && "malformed raw string literal");  in init()
1435       StringRef RemainingTokenSpan(ThisTokBuf, ThisTokEnd - ThisTokBuf);  in init()
1451       if (ThisTokBuf[0] != '"') {  in init()
1456       ++ThisTokBuf; // skip "  in init()
1459       if (Features.PascalStrings && ThisTokBuf + 1 != ThisTokEnd &&  in init()
1460           ThisTokBuf[0] == '\\' && ThisTokBuf[1] == 'p') {  in init()
1465           ++ThisTokBuf;  in init()
1468           ThisTokBuf += 2;  in init()
1471       while (ThisTokBuf != ThisTokEnd) {  in init()
1473         if (ThisTokBuf[0] != '\\') {  in init()
1474           const char *InStart = ThisTokBuf;  in init()
1476             ++ThisTokBuf;  in init()
1477           } while (ThisTokBuf != ThisTokEnd && ThisTokBuf[0] != '\\');  in init()
1481                                  StringRef(InStart, ThisTokBuf - InStart)))  in init()
1486         if (ThisTokBuf[1] == 'u' || ThisTokBuf[1] == 'U') {  in init()
1487           EncodeUCNEscape(ThisTokBegin, ThisTokBuf, ThisTokEnd,  in init()
1495           ProcessCharEscape(ThisTokBegin, ThisTokBuf, ThisTokEnd, hadError,  in init()