solidity/libdevcore/Exceptions.cpp

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/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libdevcore/Exceptions.h>
using namespace std;
using namespace dev;
char const* Exception::what() const noexcept
{
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// Return the comment if available.
if (string const* cmt = comment())
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return cmt->data();
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// Fallback to base what().
// Boost accepts nullptr, but the C++ standard doesn't
// and crashes on some platforms.
return std::exception::what();
}
string Exception::lineInfo() const
{
char const* const* file = boost::get_error_info<boost::throw_file>(*this);
int const* line = boost::get_error_info<boost::throw_line>(*this);
string ret;
if (file)
ret += *file;
ret += ':';
if (line)
ret += to_string(*line);
return ret;
}
string const* Exception::comment() const noexcept
{
return boost::get_error_info<errinfo_comment>(*this);
}