/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LOCATION_H_
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#define LOCATION_H_
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#include <stdint.h>
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#include <ostream>
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#include <string>
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// Mimics for yy::location and yy::position
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namespace android {
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struct Position {
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Position() = default;
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Position(std::string filename, size_t line, size_t column);
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const std::string& filename() const;
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size_t line() const;
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size_t column() const;
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static bool inSameFile(const Position& lhs, const Position& rhs);
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// Precondition: inSameFile()
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bool operator<(const Position& pos) const;
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private:
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// File name to which this position refers.
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std::string mFilename;
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// Current line number.
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size_t mLine;
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// Current column number.
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size_t mColumn;
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};
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std::ostream& operator<<(std::ostream& ostr, const Position& pos);
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struct Location {
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Location() = default;
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Location(const Position& begin, const Position& end);
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void setLocation(const Position& begin, const Position& end);
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bool isValid() const;
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const Position& begin() const;
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const Position& end() const;
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static Location startOf(const std::string& path);
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static bool inSameFile(const Location& lhs, const Location& rhs);
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static bool intersect(const Location& lhs, const Location& rhs);
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// Precondition: inSameFile() && !intersect()
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bool operator<(const Location& loc) const;
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private:
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bool mIsValid = false;
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// Beginning of the located region.
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Position mBegin;
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// End of the located region.
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Position mEnd;
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};
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std::ostream& operator<<(std::ostream& ostr, const Location& loc);
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} // namespace android
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#endif // LOCATION_H_
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