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