1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef LOCATION_H_ 18 #define LOCATION_H_ 19 20 #include <stdint.h> 21 #include <ostream> 22 #include <string> 23 24 // Mimics for yy::location and yy::position 25 namespace android { 26 27 #define HIDL_LOCATION_HERE \ 28 Location { \ 29 {__FILE__, __LINE__, 0}, { __FILE__, __LINE__, 0 } \ 30 } 31 32 struct Position { 33 Position() = default; 34 Position(std::string filename, size_t line, size_t column); 35 36 const std::string& filename() const; 37 38 size_t line() const; 39 size_t column() const; 40 41 static bool inSameFile(const Position& lhs, const Position& rhs); 42 43 bool operator<(const Position& pos) const; 44 45 private: 46 // File name to which this position refers. 47 std::string mFilename; 48 // Current line number. 49 size_t mLine; 50 // Current column number. 51 size_t mColumn; 52 }; 53 54 std::ostream& operator<<(std::ostream& ostr, const Position& pos); 55 56 struct Location { 57 Location() = default; 58 Location(const Position& begin, const Position& end); 59 60 void setLocation(const Position& begin, const Position& end); 61 62 bool isValid() const; 63 const Position& begin() const; 64 const Position& end() const; 65 66 static Location startOf(const std::string& path); 67 68 static bool inSameFile(const Location& lhs, const Location& rhs); 69 static bool intersect(const Location& lhs, const Location& rhs); 70 71 bool operator<(const Location& loc) const; 72 73 private: 74 bool mIsValid = false; 75 76 // Beginning of the located region. 77 Position mBegin; 78 // End of the located region. 79 Position mEnd; 80 }; 81 82 std::ostream& operator<<(std::ostream& ostr, const Location& loc); 83 84 } // namespace android 85 86 #endif // LOCATION_H_ 87