82   BufferStart = BufStart;  in InitLexer()
93   if (BufferStart == BufferPtr) {  in InitLexer()
95     StringRef Buf(BufferStart, BufferEnd - BufferStart);  in InitLexer()
233   assert((BufferStart + Offset) <= BufferEnd);  in seek()
234   BufferPtr = BufferStart + Offset;  in seek()
1073 bool Lexer::isNewLineEscaped(const char *BufferStart, const char *Str) {  in isNewLineEscaped()  argument
1075   if (Str - 1 < BufferStart)  in isNewLineEscaped()
1080     if (Str - 2 < BufferStart)  in isNewLineEscaped()
1087   while (Str > BufferStart && isHorizontalWhitespace(*Str))  in isNewLineEscaped()
1150   assert(Loc >= BufferStart && Loc <= BufferEnd &&  in getSourceLocation()
1155   unsigned CharNo = Loc-BufferStart;  in getSourceLocation()
1444   BufferPtr = BufferStart + Offset;  in SetByteOffset()
2226       FileLoc.getLocWithOffset(StartOfFilename - BufferStart),  in codeCompleteIncludedFile()
2227       FileLoc.getLocWithOffset(CompletionPoint - BufferStart));  in codeCompleteIncludedFile()
2981   if (CurPtr != BufferStart && (CurPtr[-1] != '\n' && CurPtr[-1] != '\r')) {  in LexEndOfFile()
3079   if (CurPtr != BufferStart &&  in IsStartOfConflictMarker()
3123   if (CurPtr != BufferStart &&  in HandleEndOfConflictMarker()
3191     SourceLocation Loc = FileLoc.getLocWithOffset(CurPtr-BufferStart);  in isCodeCompletionPoint()
4308   const char *TokPtr = BufferStart + DDTok.Offset;  in convertDependencyDirectiveToken()