lib/Lex/Lexer.cpp

85   BufferStart = BufStart;
96   if (BufferStart == BufferPtr) {
98     StringRef Buf(BufferStart, BufferEnd - BufferStart);
236   assert((BufferStart + Offset) <= BufferEnd);
237   BufferPtr = BufferStart + Offset;
1093 bool Lexer::isNewLineEscaped(const char *BufferStart, const char *Str) {
1095   if (Str - 1 < BufferStart)
1100     if (Str - 2 < BufferStart)
1107   while (Str > BufferStart && isHorizontalWhitespace(*Str))
1170   assert(Loc >= BufferStart && Loc <= BufferEnd &&
1175   unsigned CharNo = Loc-BufferStart;
1471   BufferPtr = BufferStart + Offset;
2357       FileLoc.getLocWithOffset(StartOfFilename - BufferStart),
2358       FileLoc.getLocWithOffset(CompletionPoint - BufferStart));
3112   if (CurPtr != BufferStart && (CurPtr[-1] != '\n' && CurPtr[-1] != '\r')) {
3210   if (CurPtr != BufferStart &&
3254   if (CurPtr != BufferStart &&
3322     SourceLocation Loc = FileLoc.getLocWithOffset(CurPtr-BufferStart);
4448   const char *TokPtr = BufferStart + DDTok.Offset;
4480     BufferPtr = BufferStart + DDTok.Offset;
4488       if (BufferStart + NextTok.Offset >= BufferPtr)