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			110 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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	This file is part of solidity.
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	solidity is free software: you can redistribute it and/or modify
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	it under the terms of the GNU General Public License as published by
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	the Free Software Foundation, either version 3 of the License, or
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	(at your option) any later version.
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	solidity is distributed in the hope that it will be useful,
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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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	GNU General Public License for more details.
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	You should have received a copy of the GNU General Public License
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	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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#pragma once
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#include <liblangutil/ErrorReporter.h>
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#include <liblangutil/Exceptions.h>
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namespace solidity::langutil
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{
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/*
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 * Wrapper for ErrorReporter that removes duplicates.
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 * Two errors are considered the same if their error ID and location are the same.
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 */
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class UniqueErrorReporter
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{
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public:
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	UniqueErrorReporter(): m_errorReporter(m_uniqueErrors) {}
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	void append(UniqueErrorReporter const& _other)
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	{
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		m_errorReporter.append(_other.m_errorReporter.errors());
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	}
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	void warning(ErrorId _error, SourceLocation const& _location, std::string const& _description)
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	{
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		if (!seen(_error, _location, _description))
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		{
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			m_errorReporter.warning(_error, _location, _description);
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			markAsSeen(_error, _location, _description);
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		}
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	}
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	void warning(
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		ErrorId _error,
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		SourceLocation const& _location,
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		std::string const& _description,
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		SecondarySourceLocation const& _secondaryLocation
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	)
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	{
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		if (!seen(_error, _location, _description))
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		{
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			m_errorReporter.warning(_error, _location, _description, _secondaryLocation);
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			markAsSeen(_error, _location, _description);
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		}
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	}
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	void warning(ErrorId _error, std::string const& _description)
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	{
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		m_errorReporter.warning(_error, _description);
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	}
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	void info(ErrorId _error, SourceLocation const& _location, std::string const& _description)
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	{
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		if (!seen(_error, _location, _description))
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		{
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			m_errorReporter.info(_error, _location, _description);
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			markAsSeen(_error, _location, _description);
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		}
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	}
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	void info(ErrorId _error, std::string const& _description)
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	{
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		m_errorReporter.info(_error, _description);
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	}
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	bool seen(ErrorId _error, SourceLocation const& _location, std::string const& _description) const
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	{
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		if (m_seenErrors.count({_error, _location}))
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		{
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			solAssert(m_seenErrors.at({_error, _location}) == _description, "");
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			return true;
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		}
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		return false;
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	}
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	void markAsSeen(ErrorId _error, SourceLocation const& _location, std::string const& _description)
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	{
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		if (_location != SourceLocation{})
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			m_seenErrors[{_error, _location}] = _description;
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	}
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	ErrorList const& errors() const { return m_errorReporter.errors(); }
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	void clear() { m_errorReporter.clear(); }
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private:
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	ErrorList m_uniqueErrors;
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	ErrorReporter m_errorReporter;
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	std::map<std::pair<ErrorId, SourceLocation>, std::string> m_seenErrors;
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};
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}
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