monero/src/common/expect.cpp

70 lines
2.7 KiB
C++

//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "expect.h"
#include <easylogging++.h>
#include <string>
namespace detail
{
namespace
{
std::string generate_error(const char* msg, const char* file, unsigned line)
{
std::string error_msg{};
if (msg)
{
error_msg.append(msg);
if (file)
error_msg.append(" (");
}
if (file)
{
error_msg.append("thrown at ");
// remove path, get just filename + extension
char buff[256] = {0};
el::base::utils::File::buildBaseFilename(file, buff, sizeof(buff) - 1);
error_msg.append(buff);
error_msg.push_back(':');
error_msg.append(std::to_string(line));
}
if (msg && file)
error_msg.push_back(')');
return error_msg;
}
}
void expect::throw_(std::error_code ec, const char* msg, const char* file, unsigned line)
{
if (msg || file)
throw std::system_error{ec, generate_error(msg, file, line)};
throw std::system_error{ec};
}
} // detail