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//===-- runtime/pseudo-unit.cpp -------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Implemenation of ExternalFileUnit and PseudoOpenFile for
// RT_USE_PSEUDO_FILE_UNIT=1.
//
//===----------------------------------------------------------------------===//
#include "io-error.h"
#include "tools.h"
#include "unit.h"
// NOTE: the header files above may define OpenMP declare target
// variables, so they have to be included unconditionally
// so that the offload entries are consistent between host and device.
#if defined(RT_USE_PSEUDO_FILE_UNIT)
#include <cstdio>
namespace Fortran::runtime::io {
void FlushOutputOnCrash(const Terminator &) {}
ExternalFileUnit *ExternalFileUnit::LookUp(int) {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
ExternalFileUnit *ExternalFileUnit::LookUpOrCreate(
int, const Terminator &, bool &) {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
ExternalFileUnit *ExternalFileUnit::LookUpOrCreateAnonymous(int unit,
Direction direction, Fortran::common::optional<bool>,
IoErrorHandler &handler) {
if (direction != Direction::Output) {
handler.Crash("ExternalFileUnit only supports output IO");
}
return New<ExternalFileUnit>{handler}(unit).release();
}
ExternalFileUnit *ExternalFileUnit::LookUp(const char *, std::size_t) {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
ExternalFileUnit &ExternalFileUnit::CreateNew(int, const Terminator &) {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
ExternalFileUnit *ExternalFileUnit::LookUpForClose(int) {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
ExternalFileUnit &ExternalFileUnit::NewUnit(const Terminator &, bool) {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
bool ExternalFileUnit::OpenUnit(Fortran::common::optional<OpenStatus> status,
Fortran::common::optional<Action>, Position, OwningPtr<char> &&,
std::size_t, Convert, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
bool ExternalFileUnit::OpenAnonymousUnit(Fortran::common::optional<OpenStatus>,
Fortran::common::optional<Action>, Position, Convert convert,
IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
void ExternalFileUnit::CloseUnit(CloseStatus, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
void ExternalFileUnit::DestroyClosed() {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
Iostat ExternalFileUnit::SetDirection(Direction direction) {
if (direction != Direction::Output) {
return IostatReadFromWriteOnly;
}
direction_ = direction;
return IostatOk;
}
void ExternalFileUnit::CloseAll(IoErrorHandler &) {}
void ExternalFileUnit::FlushAll(IoErrorHandler &) {}
int ExternalFileUnit::GetAsynchronousId(IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
bool ExternalFileUnit::Wait(int) {
Terminator{__FILE__, __LINE__}.Crash("unsupported");
}
void PseudoOpenFile::set_mayAsynchronous(bool yes) {
if (yes) {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
}
Fortran::common::optional<PseudoOpenFile::FileOffset>
PseudoOpenFile::knownSize() const {
Terminator{__FILE__, __LINE__}.Crash("unsupported");
}
void PseudoOpenFile::Open(OpenStatus, Fortran::common::optional<Action>,
Position, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
void PseudoOpenFile::Close(CloseStatus, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
std::size_t PseudoOpenFile::Read(
FileOffset, char *, std::size_t, std::size_t, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
std::size_t PseudoOpenFile::Write(FileOffset at, const char *buffer,
std::size_t bytes, IoErrorHandler &handler) {
if (at) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
// TODO: use persistent string buffer that can be reallocated
// as needed, and only freed at destruction of *this.
auto string{SizedNew<char>{handler}(bytes + 1)};
std::memcpy(string.get(), buffer, bytes);
string.get()[bytes] = '\0';
std::printf("%s", string.get());
return bytes;
}
void PseudoOpenFile::Truncate(FileOffset, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
int PseudoOpenFile::ReadAsynchronously(
FileOffset, char *, std::size_t, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
int PseudoOpenFile::WriteAsynchronously(
FileOffset, const char *, std::size_t, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
void PseudoOpenFile::Wait(int, IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
void PseudoOpenFile::WaitAll(IoErrorHandler &handler) {
handler.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
Position PseudoOpenFile::InquirePosition() const {
Terminator{__FILE__, __LINE__}.Crash("%s: unsupported", RT_PRETTY_FUNCTION);
}
} // namespace Fortran::runtime::io
#endif // defined(RT_USE_PSEUDO_FILE_UNIT)
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