/* This file is part of solidity. solidity 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. solidity 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 solidity. If not, see . */ /** * @author Lefteris Karapetsas * @date 2015 * Represents a location in a source file */ #pragma once #include #include #include #include #include // defines noexcept macro for MSVC namespace dev { /** * Representation of an interval of source positions. * The interval includes start and excludes end. */ struct SourceLocation { SourceLocation(): start(-1), end(-1) { } SourceLocation(int _start, int _end, std::shared_ptr _sourceName): start(_start), end(_end), sourceName(_sourceName) { } SourceLocation(SourceLocation&& _other) noexcept: start(_other.start), end(_other.end), sourceName(std::move(_other.sourceName)) {} SourceLocation(SourceLocation const&) = default; SourceLocation& operator=(SourceLocation const&) = default; SourceLocation& operator=(SourceLocation&& _other) noexcept { start = _other.start; end = _other.end; sourceName = std::move(_other.sourceName); return *this; } bool operator==(SourceLocation const& _other) const { return start == _other.start && end == _other.end && ((!sourceName && !_other.sourceName) || (sourceName && _other.sourceName && *sourceName == *_other.sourceName)); } bool operator!=(SourceLocation const& _other) const { return !operator==(_other); } inline bool operator<(SourceLocation const& _other) const; inline bool contains(SourceLocation const& _other) const; inline bool intersects(SourceLocation const& _other) const; bool isEmpty() const { return start == -1 && end == -1; } int start; int end; std::shared_ptr sourceName; }; /// Stream output for Location (used e.g. in boost exceptions). inline std::ostream& operator<<(std::ostream& _out, SourceLocation const& _location) { if (_location.isEmpty()) return _out << "NO_LOCATION_SPECIFIED"; return _out << *_location.sourceName << "[" << _location.start << "," << _location.end << ")"; } bool SourceLocation::operator<(SourceLocation const& _other) const { if (!sourceName || !_other.sourceName) return std::make_tuple(int(!!sourceName), start, end) < std::make_tuple(int(!!_other.sourceName), _other.start, _other.end); else return std::make_tuple(*sourceName, start, end) < std::make_tuple(*_other.sourceName, _other.start, _other.end); } bool SourceLocation::contains(SourceLocation const& _other) const { if (isEmpty() || _other.isEmpty() || ((!sourceName || !_other.sourceName || *sourceName != *_other.sourceName) && (sourceName || _other.sourceName))) return false; return start <= _other.start && _other.end <= end; } bool SourceLocation::intersects(SourceLocation const& _other) const { if (isEmpty() || _other.isEmpty() || ((!sourceName || !_other.sourceName || *sourceName != *_other.sourceName) && (sourceName || _other.sourceName))) return false; return _other.start < end && start < _other.end; } } f0c7f4b8bd667c8f31feba41a9d'>plain) (blame)