23 static ExternalFileUnit *defaultInput{nullptr}; // unit 5
24 static ExternalFileUnit *defaultOutput{nullptr}; // unit 6
25 static ExternalFileUnit *errorOutput{nullptr}; // unit 0 extension
42 ExternalFileUnit *ExternalFileUnit::LookUp(int unit) {  in LookUp()
46 ExternalFileUnit *ExternalFileUnit::LookUpOrCreate(  in LookUpOrCreate()
51 ExternalFileUnit *ExternalFileUnit::LookUpOrCreateAnonymous(int unit,  in LookUpOrCreateAnonymous()
55   ExternalFileUnit *result{  in LookUpOrCreateAnonymous()
67 ExternalFileUnit *ExternalFileUnit::LookUp(  in LookUp()
72 ExternalFileUnit &ExternalFileUnit::CreateNew(  in CreateNew()
75   ExternalFileUnit *result{  in CreateNew()
81 ExternalFileUnit *ExternalFileUnit::LookUpForClose(int unit) {  in LookUpForClose()
85 ExternalFileUnit &ExternalFileUnit::NewUnit(  in NewUnit()
87   ExternalFileUnit &unit{GetUnitMap().NewUnit(terminator)};  in NewUnit()
92 void ExternalFileUnit::OpenUnit(std::optional<OpenStatus> status,  in OpenUnit()
170 void ExternalFileUnit::OpenAnonymousUnit(std::optional<OpenStatus> status,  in OpenAnonymousUnit()
181 void ExternalFileUnit::CloseUnit(CloseStatus status, IoErrorHandler &handler) {  in CloseUnit()
187 void ExternalFileUnit::DestroyClosed() {  in DestroyClosed()
191 Iostat ExternalFileUnit::SetDirection(Direction direction) {  in SetDirection()
209 UnitMap &ExternalFileUnit::GetUnitMap() {  in GetUnitMap()
222   ExternalFileUnit &out{*newUnitMap->LookUpOrCreate(6, terminator, wasExtant)};  in GetUnitMap()
229   ExternalFileUnit &in{*newUnitMap->LookUpOrCreate(5, terminator, wasExtant)};  in GetUnitMap()
236   ExternalFileUnit &error{  in GetUnitMap()
248 void ExternalFileUnit::CloseAll(IoErrorHandler &handler) {  in CloseAll()
259 void ExternalFileUnit::FlushAll(IoErrorHandler &handler) {  in FlushAll()
278 bool ExternalFileUnit::Emit(const char *data, std::size_t bytes,  in Emit()
337 bool ExternalFileUnit::Receive(char *data, std::size_t bytes,  in Receive()
365 std::size_t ExternalFileUnit::GetNextInputBytes(  in GetNextInputBytes()
381 const char *ExternalFileUnit::FrameNextInput(  in FrameNextInput()
398 bool ExternalFileUnit::SetVariableFormattedRecordLength() {  in SetVariableFormattedRecordLength()
416 bool ExternalFileUnit::BeginReadingRecord(IoErrorHandler &handler) {  in BeginReadingRecord()
451 void ExternalFileUnit::FinishReadingRecord(IoErrorHandler &handler) {  in FinishReadingRecord()
494 bool ExternalFileUnit::AdvanceRecord(IoErrorHandler &handler) {  in AdvanceRecord()
566 void ExternalFileUnit::BackspaceRecord(IoErrorHandler &handler) {  in BackspaceRecord()
598 void ExternalFileUnit::FlushOutput(IoErrorHandler &handler) {  in FlushOutput()
613 void ExternalFileUnit::FlushIfTerminal(IoErrorHandler &handler) {  in FlushIfTerminal()
619 void ExternalFileUnit::Endfile(IoErrorHandler &handler) {  in Endfile()
638 void ExternalFileUnit::Rewind(IoErrorHandler &handler) {  in Rewind()
649 void ExternalFileUnit::SetPosition(std::int64_t pos, IoErrorHandler &handler) {  in SetPosition()
659 bool ExternalFileUnit::SetStreamPos(  in SetStreamPos()
678 bool ExternalFileUnit::SetDirectRec(  in SetDirectRec()
698 void ExternalFileUnit::EndIoStatement() {  in EndIoStatement()
704 void ExternalFileUnit::BeginSequentialVariableUnformattedInputRecord(  in BeginSequentialVariableUnformattedInputRecord()
746 void ExternalFileUnit::BeginVariableFormattedInputRecord(  in BeginVariableFormattedInputRecord()
775 void ExternalFileUnit::BackspaceFixedRecord(IoErrorHandler &handler) {  in BackspaceFixedRecord()
784 void ExternalFileUnit::BackspaceVariableUnformattedRecord(  in BackspaceVariableUnformattedRecord()
839 void ExternalFileUnit::BackspaceVariableFormattedRecord(  in BackspaceVariableFormattedRecord()
880 void ExternalFileUnit::DoImpliedEndfile(IoErrorHandler &handler) {  in DoImpliedEndfile()
889 void ExternalFileUnit::DoEndfile(IoErrorHandler &handler) {  in DoEndfile()
909 void ExternalFileUnit::CommitWrites() {  in CommitWrites()
916 bool ExternalFileUnit::CheckDirectAccess(IoErrorHandler &handler) {  in CheckDirectAccess()
928 void ExternalFileUnit::HitEndOnRead(IoErrorHandler &handler) {  in HitEndOnRead()
935 ChildIo &ExternalFileUnit::PushChildIo(IoStatementState &parent) {  in PushChildIo()
943 void ExternalFileUnit::PopChildIo(ChildIo &child) {  in PopChildIo()
951 int ExternalFileUnit::GetAsynchronousId(IoErrorHandler &handler) {  in GetAsynchronousId()
964 bool ExternalFileUnit::Wait(int id) {  in Wait()