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			61 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|     This file is part of cpp-ethereum.
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| 
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|     cpp-ethereum 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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| 
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|     cpp-ethereum 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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| 
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|     You should have received a copy of the GNU General Public License
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|     along with cpp-ethereum.  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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|  * Some elementary types for the parser.
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|  */
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| 
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| #pragma once
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| 
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| #include <memory>
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| #include <string>
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| #include <ostream>
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| 
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| namespace dev
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| {
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| namespace solidity
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| {
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| 
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| /**
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|  * Representation of an interval of source positions.
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|  * The interval includes start and excludes end.
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|  */
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| struct Location
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| {
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| 	Location(int _start, int _end, std::shared_ptr<std::string const> _sourceName):
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| 		start(_start), end(_end), sourceName(_sourceName) { }
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| 	Location(): start(-1), end(-1) { }
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| 
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| 	bool isEmpty() const { return start == -1 && end == -1; }
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| 
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| 	int start;
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| 	int end;
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| 	std::shared_ptr<std::string const> sourceName;
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| };
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| 
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| /// Stream output for Location (used e.g. in boost exceptions).
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| inline std::ostream& operator<<(std::ostream& _out, Location const& _location)
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| {
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| 	if (_location.isEmpty())
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| 		return _out << "NO_LOCATION_SPECIFIED";
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| 	return _out << *_location.sourceName << "[" << _location.start << "," << _location.end << ")";
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| }
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| 
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| }
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| }
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