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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2014
* Some elementary types for the parser.
*/
#pragma once
#include <memory>
#include <string>
#include <ostream>
namespace dev
{
namespace solidity
{
/**
* Representation of an interval of source positions.
* The interval includes start and excludes end.
*/
struct Location
{
Location(int _start, int _end, std::shared_ptr<std::string const> _sourceName):
start(_start), end(_end), sourceName(_sourceName) { }
Location(): start(-1), end(-1) { }
bool isEmpty() const { return start == -1 && end == -1; }
int start;
int end;
std::shared_ptr<std::string const> sourceName;
};
/// Stream output for Location (used e.g. in boost exceptions).
inline std::ostream& operator<<(std::ostream& _out, Location const& _location)
{
if (_location.isEmpty())
return _out << "NO_LOCATION_SPECIFIED";
return _out << *_location.sourceName << "[" << _location.start << "," << _location.end << ")";
}
}
}
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