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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 <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): start(_start), end(_end) { }
Location(): start(-1), end(-1) { }
bool IsValid() const { return start >= 0 && end >= start; }
int start;
int end;
};
/// Stream output for Location (used e.g. in boost exceptions).
inline std::ostream& operator<<(std::ostream& _out, Location const& _location)
{
return _out << "[" << _location.start << "," << _location.end << ")";
}
}
}
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