Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 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 ART_RUNTIME_DEX_FILE_TYPES_H_ |
| 18 | #define ART_RUNTIME_DEX_FILE_TYPES_H_ |
| 19 | |
| 20 | #include <limits> |
| 21 | #include <ostream> |
| 22 | |
| 23 | namespace art { |
| 24 | namespace dex { |
| 25 | |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 26 | class StringIndex { |
| 27 | public: |
| 28 | uint32_t index_; |
| 29 | |
| 30 | constexpr StringIndex() : index_(std::numeric_limits<decltype(index_)>::max()) {} |
| 31 | explicit constexpr StringIndex(uint32_t idx) : index_(idx) {} |
| 32 | |
| 33 | bool IsValid() const { |
| 34 | return index_ != std::numeric_limits<decltype(index_)>::max(); |
| 35 | } |
| 36 | static StringIndex Invalid() { |
| 37 | return StringIndex(std::numeric_limits<decltype(index_)>::max()); |
| 38 | } |
| 39 | |
| 40 | bool operator==(const StringIndex& other) const { |
| 41 | return index_ == other.index_; |
| 42 | } |
| 43 | bool operator!=(const StringIndex& other) const { |
| 44 | return index_ != other.index_; |
| 45 | } |
| 46 | bool operator<(const StringIndex& other) const { |
| 47 | return index_ < other.index_; |
| 48 | } |
| 49 | bool operator<=(const StringIndex& other) const { |
| 50 | return index_ <= other.index_; |
| 51 | } |
| 52 | bool operator>(const StringIndex& other) const { |
| 53 | return index_ > other.index_; |
| 54 | } |
| 55 | bool operator>=(const StringIndex& other) const { |
| 56 | return index_ >= other.index_; |
| 57 | } |
| 58 | }; |
| 59 | std::ostream& operator<<(std::ostream& os, const StringIndex& index); |
| 60 | |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 61 | class TypeIndex { |
| 62 | public: |
| 63 | uint16_t index_; |
| 64 | |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 65 | constexpr TypeIndex() : index_(std::numeric_limits<decltype(index_)>::max()) {} |
| 66 | explicit constexpr TypeIndex(uint16_t idx) : index_(idx) {} |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 67 | |
| 68 | bool IsValid() const { |
| 69 | return index_ != std::numeric_limits<decltype(index_)>::max(); |
| 70 | } |
| 71 | static TypeIndex Invalid() { |
| 72 | return TypeIndex(std::numeric_limits<decltype(index_)>::max()); |
| 73 | } |
| 74 | |
| 75 | bool operator==(const TypeIndex& other) const { |
| 76 | return index_ == other.index_; |
| 77 | } |
| 78 | bool operator!=(const TypeIndex& other) const { |
| 79 | return index_ != other.index_; |
| 80 | } |
| 81 | bool operator<(const TypeIndex& other) const { |
| 82 | return index_ < other.index_; |
| 83 | } |
| 84 | bool operator<=(const TypeIndex& other) const { |
| 85 | return index_ <= other.index_; |
| 86 | } |
| 87 | bool operator>(const TypeIndex& other) const { |
| 88 | return index_ > other.index_; |
| 89 | } |
| 90 | bool operator>=(const TypeIndex& other) const { |
| 91 | return index_ >= other.index_; |
| 92 | } |
| 93 | }; |
| 94 | std::ostream& operator<<(std::ostream& os, const TypeIndex& index); |
| 95 | |
| 96 | } // namespace dex |
| 97 | } // namespace art |
| 98 | |
| 99 | namespace std { |
| 100 | |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 101 | template<> struct hash<art::dex::StringIndex> { |
| 102 | size_t operator()(const art::dex::StringIndex& index) const { |
| 103 | return hash<uint32_t>()(index.index_); |
| 104 | } |
| 105 | }; |
| 106 | |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 107 | template<> struct hash<art::dex::TypeIndex> { |
| 108 | size_t operator()(const art::dex::TypeIndex& index) const { |
| 109 | return hash<uint16_t>()(index.index_); |
| 110 | } |
| 111 | }; |
| 112 | |
| 113 | } // namespace std |
| 114 | |
| 115 | #endif // ART_RUNTIME_DEX_FILE_TYPES_H_ |