Jooyung Han | 535c5e8 | 2020-12-29 15:16:59 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2020, 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 | #pragma once |
| 18 | |
| 19 | #include <iostream> |
| 20 | #include <string> |
| 21 | |
| 22 | class AidlLocation { |
| 23 | public: |
| 24 | struct Point { |
| 25 | int line; |
| 26 | int column; |
| 27 | }; |
| 28 | |
| 29 | enum class Source { |
| 30 | // From internal aidl source code |
| 31 | INTERNAL = 0, |
| 32 | // From a parsed file |
| 33 | EXTERNAL = 1 |
| 34 | }; |
| 35 | |
| 36 | AidlLocation(const std::string& file, Point begin, Point end, Source source); |
| 37 | AidlLocation(const std::string& file, Source source) |
| 38 | : AidlLocation(file, {0, 0}, {0, 0}, source) {} |
| 39 | |
| 40 | bool IsInternal() const { return source_ == Source::INTERNAL; } |
| 41 | |
| 42 | // The first line of a file is line 1. |
| 43 | bool LocationKnown() const { return begin_.line != 0; } |
| 44 | |
Jooyung Han | b8a9777 | 2021-01-19 01:27:38 +0900 | [diff] [blame] | 45 | std::string GetFile() const { return file_; } |
| 46 | |
Jooyung Han | 535c5e8 | 2020-12-29 15:16:59 +0900 | [diff] [blame] | 47 | friend std::ostream& operator<<(std::ostream& os, const AidlLocation& l); |
| 48 | friend class AidlNode; |
| 49 | |
| 50 | private: |
| 51 | // INTENTIONALLY HIDDEN: only operator<< should access details here. |
| 52 | // Otherwise, locations should only ever be copied around to construct new |
| 53 | // objects. |
| 54 | const std::string file_; |
| 55 | Point begin_; |
| 56 | Point end_; |
| 57 | Source source_; |
| 58 | }; |
| 59 | |
| 60 | #define AIDL_LOCATION_HERE \ |
| 61 | (AidlLocation{__FILE__, {__LINE__, 0}, {__LINE__, 0}, AidlLocation::Source::INTERNAL}) |
| 62 | |
| 63 | std::ostream& operator<<(std::ostream& os, const AidlLocation& l); |