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60 lines
1.6 KiB
60 lines
1.6 KiB
/*
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This file is part of cpp-ethereum.
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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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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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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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#pragma once
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#include <memory>
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#include <string>
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#include <ostream>
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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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* 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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bool isEmpty() const { return start == -1 && end == -1; }
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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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/// 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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