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