34 line_iterator::line_iterator(const MemoryBuffer &Buffer, bool SkipBlanks,  in line_iterator()  argument
36     : line_iterator(Buffer.getMemBufferRef(), SkipBlanks, CommentMarker) {}  in line_iterator()
38 line_iterator::line_iterator(const MemoryBufferRef &Buffer, bool SkipBlanks,  in line_iterator()  argument
40     : Buffer(Buffer.getBufferSize() ? std::optional<MemoryBufferRef>(Buffer)  in line_iterator()
43       CurrentLine(Buffer.getBufferSize() ? Buffer.getBufferStart() : nullptr,  in line_iterator()
47   if (Buffer.getBufferSize()) {  in line_iterator()
48     assert(Buffer.getBufferEnd()[0] == '\0');  in line_iterator()
50     if (SkipBlanks || !isAtLineEnd(Buffer.getBufferStart()))  in line_iterator()
56   assert(Buffer && "Cannot advance past the end!");  in advance()
59   assert(Pos == Buffer->getBufferStart() || isAtLineEnd(Pos) || *Pos == '\0');  in advance()
86     Buffer = std::nullopt;  in advance()