88     : IoStatementBase{sourceFile, sourceLine}, unit_{scalar, length} {}  in InternalIoStatementState()
93     : IoStatementBase{sourceFile, sourceLine}, unit_{d, *this} {}  in InternalIoStatementState()
102   return unit_.Emit(data, chars * sizeof(CharType), *this);  in Emit()
108   return unit_.GetNextInputBytes(p, *this);  in GetNextInputBytes()
114     if (!unit_.AdvanceRecord(*this)) {  in AdvanceRecord()
123   unit_.BackspaceRecord(*this);  in BackspaceRecord()
129     unit_.EndIoStatement(); // fill  in EndIoStatement()
141   return unit_.HandleAbsolutePosition(n);  in HandleAbsolutePosition()
147   return unit_.HandleRelativePosition(n);  in HandleRelativePosition()
196     : IoStatementBase{sourceFile, sourceLine}, unit_{unit} {}  in ExternalIoStatementBase()
198 MutableModes &ExternalIoStatementBase::mutableModes() { return unit_.modes; }  in mutableModes()
200 ConnectionState &ExternalIoStatementBase::GetConnectionState() { return unit_; }  in GetConnectionState()
205   unit_.EndIoStatement(); // annihilates *this in unit_.u_  in EndIoStatement()
1534   if (unit_) {  in EndIoStatement()
1535     unit_->EndIoStatement();  in EndIoStatement()