78             int inside = spanner.next(current.top, current.bottom);  in operator()
85                             current.top < current.bottom) {  in operator()
163             SpannerBase::lhs_head = lhs.rects->top      + lhs.dy;  in Spanner()
165             SpannerBase::rhs_head = rhs.rects->top      + rhs.dy;  in Spanner()
173         inline int next(TYPE& top, TYPE& bottom)   in next()  argument
177             int inside = SpannerBase::next(top, bottom, more_lhs, more_rhs);  in next()
194             const int top = rects->top;  in advance()  local
195             while (rects != end && rects->top == top) {  in advance()
200                 aTop    = rects->top    + reg.dy;  in advance()
264                 const int cur_span_top = reg.rects->top;  in advance()
267                 if (!reg.count || reg.rects->top != cur_span_top) {  in advance()