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() ? Optional<MemoryBufferRef>(Buffer) : None),  in line_iterator()
42       CurrentLine(Buffer.getBufferSize() ? Buffer.getBufferStart() : nullptr,  in line_iterator()
46   if (Buffer.getBufferSize()) {  in line_iterator()
47     assert(Buffer.getBufferEnd()[0] == '\0');  in line_iterator()
49     if (SkipBlanks || !isAtLineEnd(Buffer.getBufferStart()))  in line_iterator()
55   assert(Buffer && "Cannot advance past the end!");  in advance()
58   assert(Pos == Buffer->getBufferStart() || isAtLineEnd(Pos) || *Pos == '\0');  in advance()
85     Buffer = None;  in advance()