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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 ART_RUNTIME_DEX_FILE_TYPES_H_
#define ART_RUNTIME_DEX_FILE_TYPES_H_
#include <limits>
#include <ostream>
namespace art {
namespace dex {
class StringIndex {
public:
uint32_t index_;
constexpr StringIndex() : index_(std::numeric_limits<decltype(index_)>::max()) {}
explicit constexpr StringIndex(uint32_t idx) : index_(idx) {}
bool IsValid() const {
return index_ != std::numeric_limits<decltype(index_)>::max();
}
static StringIndex Invalid() {
return StringIndex(std::numeric_limits<decltype(index_)>::max());
}
bool operator==(const StringIndex& other) const {
return index_ == other.index_;
}
bool operator!=(const StringIndex& other) const {
return index_ != other.index_;
}
bool operator<(const StringIndex& other) const {
return index_ < other.index_;
}
bool operator<=(const StringIndex& other) const {
return index_ <= other.index_;
}
bool operator>(const StringIndex& other) const {
return index_ > other.index_;
}
bool operator>=(const StringIndex& other) const {
return index_ >= other.index_;
}
};
std::ostream& operator<<(std::ostream& os, const StringIndex& index);
class TypeIndex {
public:
uint16_t index_;
constexpr TypeIndex() : index_(std::numeric_limits<decltype(index_)>::max()) {}
explicit constexpr TypeIndex(uint16_t idx) : index_(idx) {}
bool IsValid() const {
return index_ != std::numeric_limits<decltype(index_)>::max();
}
static TypeIndex Invalid() {
return TypeIndex(std::numeric_limits<decltype(index_)>::max());
}
bool operator==(const TypeIndex& other) const {
return index_ == other.index_;
}
bool operator!=(const TypeIndex& other) const {
return index_ != other.index_;
}
bool operator<(const TypeIndex& other) const {
return index_ < other.index_;
}
bool operator<=(const TypeIndex& other) const {
return index_ <= other.index_;
}
bool operator>(const TypeIndex& other) const {
return index_ > other.index_;
}
bool operator>=(const TypeIndex& other) const {
return index_ >= other.index_;
}
};
std::ostream& operator<<(std::ostream& os, const TypeIndex& index);
} // namespace dex
} // namespace art
namespace std {
template<> struct hash<art::dex::StringIndex> {
size_t operator()(const art::dex::StringIndex& index) const {
return hash<uint32_t>()(index.index_);
}
};
template<> struct hash<art::dex::TypeIndex> {
size_t operator()(const art::dex::TypeIndex& index) const {
return hash<uint16_t>()(index.index_);
}
};
} // namespace std
#endif // ART_RUNTIME_DEX_FILE_TYPES_H_
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