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