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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_REFLECTIVE_REFERENCE_H_
#define ART_RUNTIME_REFLECTIVE_REFERENCE_H_
#include "android-base/macros.h"
#include "base/macros.h"
#include "mirror/object_reference.h"
namespace art {
class ArtField;
class ArtMethod;
// A reference to a ArtField or ArtMethod.
template <class ReflectiveType>
class ReflectiveReference {
public:
static_assert(std::is_same_v<ReflectiveType, ArtMethod> ||
std::is_same_v<ReflectiveType, ArtField>,
"Uknown type!");
ReflectiveReference() : val_(nullptr) {}
explicit ReflectiveReference(ReflectiveType* r) : val_(r) {}
ReflectiveReference<ReflectiveType>& operator=(const ReflectiveReference<ReflectiveType>& t) =
default;
ReflectiveType* Ptr() {
return val_;
}
void Assign(ReflectiveType* r) {
val_ = r;
}
bool IsNull() const {
return val_ == nullptr;
}
bool operator==(const ReflectiveReference<ReflectiveType>& rr) const {
return val_ == rr.val_;
}
bool operator!=(const ReflectiveReference<ReflectiveType>& rr) const {
return !operator==(rr);
}
bool operator==(std::nullptr_t) const {
return IsNull();
}
bool operator!=(std::nullptr_t) const {
return !IsNull();
}
private:
ReflectiveType* val_;
};
} // namespace art
#endif // ART_RUNTIME_REFLECTIVE_REFERENCE_H_
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