llvm-project/lldb/source/API/SBFile.cpp

159 lines
4.9 KiB
C++

//===-- SBFile.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
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBFile.h"
#include "SBReproducerPrivate.h"
#include "lldb/API/SBError.h"
#include "lldb/Host/File.h"
using namespace lldb;
using namespace lldb_private;
SBFile::~SBFile() = default;
SBFile::SBFile(FileSP file_sp) : m_opaque_sp(file_sp) {
// We have no way to capture the incoming FileSP as the class isn't
// instrumented, so pretend that it's always null.
LLDB_RECORD_CONSTRUCTOR(SBFile, (lldb::FileSP), nullptr);
}
SBFile::SBFile(const SBFile &rhs) : m_opaque_sp(rhs.m_opaque_sp) {
LLDB_RECORD_CONSTRUCTOR(SBFile, (const lldb::SBFile&), rhs);
}
SBFile &SBFile ::operator=(const SBFile &rhs) {
LLDB_RECORD_METHOD(lldb::SBFile &,
SBFile, operator=,(const lldb::SBFile &), rhs);
if (this != &rhs)
m_opaque_sp = rhs.m_opaque_sp;
return LLDB_RECORD_RESULT(*this);
}
SBFile::SBFile() { LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBFile); }
SBFile::SBFile(FILE *file, bool transfer_ownership) {
LLDB_RECORD_CONSTRUCTOR(SBFile, (FILE *, bool), file, transfer_ownership);
m_opaque_sp = std::make_shared<NativeFile>(file, transfer_ownership);
}
SBFile::SBFile(int fd, const char *mode, bool transfer_owndership) {
LLDB_RECORD_CONSTRUCTOR(SBFile, (int, const char *, bool), fd, mode,
transfer_owndership);
auto options = File::GetOptionsFromMode(mode);
if (!options) {
llvm::consumeError(options.takeError());
return;
}
m_opaque_sp =
std::make_shared<NativeFile>(fd, options.get(), transfer_owndership);
}
SBError SBFile::Read(uint8_t *buf, size_t num_bytes, size_t *bytes_read) {
LLDB_RECORD_METHOD(lldb::SBError, SBFile, Read, (uint8_t *, size_t, size_t *),
buf, num_bytes, bytes_read);
SBError error;
if (!m_opaque_sp) {
error.SetErrorString("invalid SBFile");
*bytes_read = 0;
} else {
Status status = m_opaque_sp->Read(buf, num_bytes);
error.SetError(status);
*bytes_read = num_bytes;
}
return LLDB_RECORD_RESULT(error);
}
SBError SBFile::Write(const uint8_t *buf, size_t num_bytes,
size_t *bytes_written) {
LLDB_RECORD_METHOD(lldb::SBError, SBFile, Write,
(const uint8_t *, size_t, size_t *), buf, num_bytes,
bytes_written);
SBError error;
if (!m_opaque_sp) {
error.SetErrorString("invalid SBFile");
*bytes_written = 0;
} else {
Status status = m_opaque_sp->Write(buf, num_bytes);
error.SetError(status);
*bytes_written = num_bytes;
}
return LLDB_RECORD_RESULT(error);
}
SBError SBFile::Flush() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBError, SBFile, Flush);
SBError error;
if (!m_opaque_sp) {
error.SetErrorString("invalid SBFile");
} else {
Status status = m_opaque_sp->Flush();
error.SetError(status);
}
return LLDB_RECORD_RESULT(error);
}
bool SBFile::IsValid() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFile, IsValid);
return m_opaque_sp && m_opaque_sp->IsValid();
}
SBError SBFile::Close() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBError, SBFile, Close);
SBError error;
if (m_opaque_sp) {
Status status = m_opaque_sp->Close();
error.SetError(status);
}
return LLDB_RECORD_RESULT(error);
}
SBFile::operator bool() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFile, operator bool);
return IsValid();
}
bool SBFile::operator!() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFile, operator!);
return !IsValid();
}
FileSP SBFile::GetFile() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(FileSP, SBFile, GetFile);
return LLDB_RECORD_RESULT(m_opaque_sp);
}
namespace lldb_private {
namespace repro {
template <> void RegisterMethods<SBFile>(Registry &R) {
LLDB_REGISTER_CONSTRUCTOR(SBFile, ());
LLDB_REGISTER_CONSTRUCTOR(SBFile, (FileSP));
LLDB_REGISTER_CONSTRUCTOR(SBFile, (const SBFile&));
LLDB_REGISTER_CONSTRUCTOR(SBFile, (FILE *, bool));
LLDB_REGISTER_CONSTRUCTOR(SBFile, (int, const char *, bool));
LLDB_REGISTER_METHOD(SBFile&, SBFile, operator=,(const SBFile&));
LLDB_REGISTER_METHOD(lldb::SBError, SBFile, Flush, ());
LLDB_REGISTER_METHOD(lldb::SBError, SBFile, Read,
(uint8_t *, size_t, size_t *));
LLDB_REGISTER_METHOD(lldb::SBError, SBFile, Write,
(const uint8_t *, size_t, size_t *));
LLDB_REGISTER_METHOD_CONST(bool, SBFile, IsValid, ());
LLDB_REGISTER_METHOD_CONST(bool, SBFile, operator bool,());
LLDB_REGISTER_METHOD_CONST(bool, SBFile, operator!,());
LLDB_REGISTER_METHOD_CONST(FileSP, SBFile, GetFile, ());
LLDB_REGISTER_METHOD(lldb::SBError, SBFile, Close, ());
}
} // namespace repro
} // namespace lldb_private