solidity/liblangutil/UniqueErrorReporter.h

95 lines
2.6 KiB
C++

/*
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/>.
*/
// SPDX-License-Identifier: GPL-3.0
#pragma once
#include <liblangutil/ErrorReporter.h>
#include <liblangutil/Exceptions.h>
namespace solidity::langutil
{
/*
* Wrapper for ErrorReporter that removes duplicates.
* Two errors are considered the same if their error ID and location are the same.
*/
class UniqueErrorReporter
{
public:
UniqueErrorReporter(): m_errorReporter(m_uniqueErrors) {}
void warning(ErrorId _error, SourceLocation const& _location, std::string const& _description)
{
if (!seen(_error, _location, _description))
{
m_errorReporter.warning(_error, _location, _description);
markAsSeen(_error, _location, _description);
}
}
void warning(
ErrorId _error,
SourceLocation const& _location,
std::string const& _description,
SecondarySourceLocation const& _secondaryLocation
)
{
if (!seen(_error, _location, _description))
{
m_errorReporter.warning(_error, _location, _description, _secondaryLocation);
markAsSeen(_error, _location, _description);
}
}
void warning(ErrorId _error, std::string const& _description)
{
if (!seen(_error, {}, _description))
{
m_errorReporter.warning(_error, _description);
markAsSeen(_error, {}, _description);
}
}
bool seen(ErrorId _error, SourceLocation const& _location, std::string const& _description) const
{
if (m_seenErrors.count({_error, _location}))
{
solAssert(m_seenErrors.at({_error, _location}) == _description, "");
return true;
}
return false;
}
void markAsSeen(ErrorId _error, SourceLocation const& _location, std::string const& _description)
{
solAssert(!seen(_error, _location, _description), "");
m_seenErrors[{_error, _location}] = _description;
}
ErrorList const& errors() const { return m_errorReporter.errors(); }
void clear() { m_errorReporter.clear(); }
private:
ErrorReporter m_errorReporter;
ErrorList m_uniqueErrors;
std::map<std::pair<ErrorId, SourceLocation>, std::string> m_seenErrors;
};
}