/*
	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


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;
};

} }