130   BufferStart = BufStart;  in InitLexer()
141   if (BufferStart == BufferPtr) {  in InitLexer()
143     StringRef Buf(BufferStart, BufferEnd - BufferStart);  in InitLexer()
281   assert((BufferStart + Offset) <= BufferEnd);  in seek()
282   BufferPtr = BufferStart + Offset;  in seek()
1138 bool Lexer::isNewLineEscaped(const char *BufferStart, const char *Str) {  in isNewLineEscaped()  argument
1140   if (Str - 1 < BufferStart)  in isNewLineEscaped()
1145     if (Str - 2 < BufferStart)  in isNewLineEscaped()
1152   while (Str > BufferStart && isHorizontalWhitespace(*Str))  in isNewLineEscaped()
1215   assert(Loc >= BufferStart && Loc <= BufferEnd &&  in getSourceLocation()
1220   unsigned CharNo = Loc-BufferStart;  in getSourceLocation()
1516   BufferPtr = BufferStart + Offset;  in SetByteOffset()
2413       FileLoc.getLocWithOffset(StartOfFilename - BufferStart),  in codeCompleteIncludedFile()
2414       FileLoc.getLocWithOffset(CompletionPoint - BufferStart));  in codeCompleteIncludedFile()
3168   if (CurPtr != BufferStart && (CurPtr[-1] != '\n' && CurPtr[-1] != '\r')) {  in LexEndOfFile()
3266   if (CurPtr != BufferStart &&  in IsStartOfConflictMarker()
3310   if (CurPtr != BufferStart &&  in HandleEndOfConflictMarker()
3378     SourceLocation Loc = FileLoc.getLocWithOffset(CurPtr-BufferStart);  in isCodeCompletionPoint()
4504   const char *TokPtr = BufferStart + DDTok.Offset;  in convertDependencyDirectiveToken()
4536     BufferPtr = BufferStart + DDTok.Offset;  in LexDependencyDirectiveToken()
4544       if (BufferStart + NextTok.Offset >= BufferPtr)  in LexDependencyDirectiveToken()