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//===-- SBError.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/SBError.h"
#include "Utils.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBStructuredData.h"
#include "lldb/Core/StructuredDataImpl.h"
#include "lldb/Utility/Instrumentation.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/VASPrintf.h"
#include <cstdarg>
using namespace lldb;
using namespace lldb_private;
SBError::SBError() { LLDB_INSTRUMENT_VA(this); }
SBError::SBError(const SBError &rhs) {
LLDB_INSTRUMENT_VA(this, rhs);
if (rhs.m_opaque_up)
m_opaque_up = std::make_unique<Status>(rhs.m_opaque_up->Clone());
}
SBError::SBError(const char *message) {
LLDB_INSTRUMENT_VA(this, message);
SetErrorString(message);
}
SBError::SBError(lldb_private::Status &&status)
: m_opaque_up(new Status(std::move(status))) {
LLDB_INSTRUMENT_VA(this, status);
}
SBError::~SBError() = default;
const SBError &SBError::operator=(const SBError &rhs) {
LLDB_INSTRUMENT_VA(this, rhs);
if (this != &rhs)
if (rhs.m_opaque_up)
m_opaque_up = std::make_unique<Status>(rhs.m_opaque_up->Clone());
return *this;
}
const char *SBError::GetCString() const {
LLDB_INSTRUMENT_VA(this);
if (m_opaque_up)
return m_opaque_up->AsCString();
return nullptr;
}
void SBError::Clear() {
LLDB_INSTRUMENT_VA(this);
if (m_opaque_up)
m_opaque_up->Clear();
}
bool SBError::Fail() const {
LLDB_INSTRUMENT_VA(this);
bool ret_value = false;
if (m_opaque_up)
ret_value = m_opaque_up->Fail();
return ret_value;
}
bool SBError::Success() const {
LLDB_INSTRUMENT_VA(this);
bool ret_value = true;
if (m_opaque_up)
ret_value = m_opaque_up->Success();
return ret_value;
}
uint32_t SBError::GetError() const {
LLDB_INSTRUMENT_VA(this);
uint32_t err = 0;
if (m_opaque_up)
err = m_opaque_up->GetError();
return err;
}
SBStructuredData SBError::GetErrorData() const {
LLDB_INSTRUMENT_VA(this);
SBStructuredData sb_data;
if (!m_opaque_up)
return sb_data;
StructuredData::ObjectSP data(m_opaque_up->GetAsStructuredData());
sb_data.m_impl_up->SetObjectSP(data);
return sb_data;
}
ErrorType SBError::GetType() const {
LLDB_INSTRUMENT_VA(this);
ErrorType err_type = eErrorTypeInvalid;
if (m_opaque_up)
err_type = m_opaque_up->GetType();
return err_type;
}
void SBError::SetError(uint32_t err, ErrorType type) {
LLDB_INSTRUMENT_VA(this, err, type);
CreateIfNeeded();
*m_opaque_up = Status(err, type);
}
void SBError::SetError(Status &&lldb_error) {
CreateIfNeeded();
*m_opaque_up = std::move(lldb_error);
}
void SBError::SetErrorToErrno() {
LLDB_INSTRUMENT_VA(this);
CreateIfNeeded();
*m_opaque_up = Status::FromErrno();
}
void SBError::SetErrorToGenericError() {
LLDB_INSTRUMENT_VA(this);
CreateIfNeeded();
*m_opaque_up = Status(std::string("generic error"));
}
void SBError::SetErrorString(const char *err_str) {
LLDB_INSTRUMENT_VA(this, err_str);
CreateIfNeeded();
*m_opaque_up = Status::FromErrorString(err_str);
}
int SBError::SetErrorStringWithFormat(const char *format, ...) {
CreateIfNeeded();
std::string string;
va_list args;
va_start(args, format);
if (format != nullptr && format[0]) {
llvm::SmallString<1024> buf;
VASprintf(buf, format, args);
string = std::string(buf.str());
*m_opaque_up = Status(std::move(string));
}
va_end(args);
return string.size();
}
bool SBError::IsValid() const {
LLDB_INSTRUMENT_VA(this);
return this->operator bool();
}
SBError::operator bool() const {
LLDB_INSTRUMENT_VA(this);
return m_opaque_up != nullptr;
}
void SBError::CreateIfNeeded() {
if (m_opaque_up == nullptr)
m_opaque_up = std::make_unique<Status>();
}
lldb_private::Status *SBError::operator->() { return m_opaque_up.get(); }
lldb_private::Status *SBError::get() { return m_opaque_up.get(); }
lldb_private::Status &SBError::ref() {
CreateIfNeeded();
return *m_opaque_up;
}
const lldb_private::Status &SBError::operator*() const {
// Be sure to call "IsValid()" before calling this function or it will crash
return *m_opaque_up;
}
bool SBError::GetDescription(SBStream &description) {
LLDB_INSTRUMENT_VA(this, description);
if (m_opaque_up) {
if (m_opaque_up->Success())
description.Printf("success");
else {
const char *err_string = GetCString();
description.Printf("error: %s",
(err_string != nullptr ? err_string : ""));
}
} else
description.Printf("error: <NULL>");
return true;
}
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