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			80 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.1 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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/**
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 * @author Christian <c@ethdev.com>
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 * @date 2014
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 * Formatting functions for errors referencing positions and locations in the source.
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 */
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#pragma once
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#include <ostream>
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#include <sstream>
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#include <functional>
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#include <libevmasm/SourceLocation.h>
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namespace dev
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{
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struct Exception; // forward
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namespace solidity
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{
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class Scanner; // forward
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class CompilerStack; // forward
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class SourceReferenceFormatter
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{
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public:
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	using ScannerFromSourceNameFun = std::function<Scanner const&(std::string const&)>;
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	explicit SourceReferenceFormatter(
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		std::ostream& _stream,
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		ScannerFromSourceNameFun _scannerFromSourceName
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	):
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		m_stream(_stream),
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		m_scannerFromSourceName(std::move(_scannerFromSourceName))
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	{}
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	/// Prints source location if it is given.
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	void printSourceLocation(SourceLocation const* _location);
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	void printExceptionInformation(Exception const& _exception, std::string const& _name);
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	static std::string formatExceptionInformation(
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		Exception const& _exception,
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		std::string const& _name,
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		ScannerFromSourceNameFun const& _scannerFromSourceName
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	)
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	{
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		std::ostringstream errorOutput;
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		SourceReferenceFormatter formatter(errorOutput, _scannerFromSourceName);
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		formatter.printExceptionInformation(_exception, _name);
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		return errorOutput.str();
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	}
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private:
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	/// Prints source name if location is given.
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	void printSourceName(SourceLocation const* _location);
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	std::ostream& m_stream;
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	ScannerFromSourceNameFun m_scannerFromSourceName;
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};
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}
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}
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