lib/Lex/LiteralSupport.cpp

92                                   const char *&ThisTokBuf,
97   const char *EscapeBegin = ThisTokBuf;
100   ++ThisTokBuf;
104   unsigned ResultChar = *ThisTokBuf++;
119       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,
125       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,
146     if (ThisTokBuf == ThisTokEnd || !isHexDigit(*ThisTokBuf)) {
148         Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,
156     for (; ThisTokBuf != ThisTokEnd; ++ThisTokBuf) {
157       int CharVal = llvm::hexDigitValue(ThisTokBuf[0]);
174       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,
181     --ThisTokBuf;
189       ResultChar |= *ThisTokBuf++ - '0';
191     } while (ThisTokBuf != ThisTokEnd && NumDigits < 3 &&
192              ThisTokBuf[0] >= '0' && ThisTokBuf[0] <= '7');
197         Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,
208       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,
217       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,
221       Diag(Diags, Features, Loc, ThisTokBegin, EscapeBegin, ThisTokBuf,
274 static bool ProcessUCNEscape(const char *ThisTokBegin, const char *&ThisTokBuf,
280   const char *UcnBegin = ThisTokBuf;
283   ThisTokBuf += 2;
285   if (ThisTokBuf == ThisTokEnd || !isHexDigit(*ThisTokBuf)) {
287       Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,
288            diag::err_hex_escape_no_digits) << StringRef(&ThisTokBuf[-1], 1);
291   UcnLen = (ThisTokBuf[-1] == 'u' ? 4 : 8);
293   for (; ThisTokBuf != ThisTokEnd && UcnLenSave; ++ThisTokBuf, UcnLenSave--) {
294     int CharVal = llvm::hexDigitValue(ThisTokBuf[0]);
302       Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,
311       Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,
324         Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,
329         Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,
338     Diag(Diags, Features, Loc, ThisTokBegin, UcnBegin, ThisTokBuf,
346 static int MeasureUCNEscape(const char *ThisTokBegin, const char *&ThisTokBuf,
357   if (!ProcessUCNEscape(ThisTokBegin, ThisTokBuf, ThisTokEnd, UcnVal,
381 static void EncodeUCNEscape(const char *ThisTokBegin, const char *&ThisTokBuf,
390   if (!ProcessUCNEscape(ThisTokBegin, ThisTokBuf, ThisTokEnd, UcnVal, UcnLen,
1581     const char *ThisTokBuf = &TokenBuf[0];
1583     // that ThisTokBuf points to a buffer that is big enough for the whole token
1587       Lexer::getSpelling(StringToks[i], ThisTokBuf, SM, Features,
1592     const char *ThisTokBegin = ThisTokBuf;
1593     const char *ThisTokEnd = ThisTokBuf+ThisTokLen;
1610         UDSuffixOffset = ThisTokEnd - ThisTokBuf;
1642     if (ThisTokBuf[0] == 'L' || ThisTokBuf[0] == 'u' || ThisTokBuf[0] == 'U') {
1643       ++ThisTokBuf;
1645       if (ThisTokBuf[0] == '8')
1646         ++ThisTokBuf;
1650     if (ThisTokBuf[0] == 'R') {
1651       if (ThisTokBuf[1] != '"') {
1656       ThisTokBuf += 2; // skip R"
1662       const char *Prefix = ThisTokBuf;
1663       while (ThisTokBuf - Prefix < MaxRawStrDelimLen && ThisTokBuf[0] != '(')
1664         ++ThisTokBuf;
1665       if (ThisTokBuf[0] != '(')
1667       ++ThisTokBuf; // skip '('
1670       ThisTokEnd -= ThisTokBuf - Prefix;
1671       if (ThisTokEnd < ThisTokBuf)
1676       StringRef RemainingTokenSpan(ThisTokBuf, ThisTokEnd - ThisTokBuf);
1692       if (ThisTokBuf[0] != '"') {
1697       ++ThisTokBuf; // skip "
1700       if (Features.PascalStrings && ThisTokBuf + 1 != ThisTokEnd &&
1701           ThisTokBuf[0] == '\\' && ThisTokBuf[1] == 'p') {
1706           ++ThisTokBuf;
1709           ThisTokBuf += 2;
1712       while (ThisTokBuf != ThisTokEnd) {
1714         if (ThisTokBuf[0] != '\\') {
1715           const char *InStart = ThisTokBuf;
1717             ++ThisTokBuf;
1718           } while (ThisTokBuf != ThisTokEnd && ThisTokBuf[0] != '\\');
1722                                  StringRef(InStart, ThisTokBuf - InStart)))
1727         if (ThisTokBuf[1] == 'u' || ThisTokBuf[1] == 'U') {
1728           EncodeUCNEscape(ThisTokBegin, ThisTokBuf, ThisTokEnd,
1736           ProcessCharEscape(ThisTokBegin, ThisTokBuf, ThisTokEnd, hadError,