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/*
* Copyright (C) 2011 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_MIRROR_IFTABLE_H_
#define ART_RUNTIME_MIRROR_IFTABLE_H_
#include "base/casts.h"
#include "object_array.h"
namespace art {
namespace mirror {
class MANAGED IfTable FINAL : public ObjectArray<Object> {
public:
ALWAYS_INLINE Class* GetInterface(int32_t i) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
Class* interface = GetWithoutChecks((i * kMax) + kInterface)->AsClass();
DCHECK(interface != NULL);
return interface;
}
ALWAYS_INLINE void SetInterface(int32_t i, Class* interface)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
ObjectArray<ArtMethod>* GetMethodArray(int32_t i) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
ObjectArray<ArtMethod>* method_array =
down_cast<ObjectArray<ArtMethod>*>(Get((i * kMax) + kMethodArray));
DCHECK(method_array != NULL);
return method_array;
}
size_t GetMethodArrayCount(int32_t i) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
ObjectArray<ArtMethod>* method_array =
down_cast<ObjectArray<ArtMethod>*>(Get((i * kMax) + kMethodArray));
if (method_array == NULL) {
return 0;
}
return method_array->GetLength();
}
void SetMethodArray(int32_t i, ObjectArray<ArtMethod>* new_ma)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
DCHECK(new_ma != NULL);
DCHECK(Get((i * kMax) + kMethodArray) == NULL);
Set<false>((i * kMax) + kMethodArray, new_ma);
}
size_t Count() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetLength() / kMax;
}
enum {
// Points to the interface class.
kInterface = 0,
// Method pointers into the vtable, allow fast map from interface method index to concrete
// instance method.
kMethodArray = 1,
kMax = 2,
};
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(IfTable);
};
} // namespace mirror
} // namespace art
#endif // ART_RUNTIME_MIRROR_IFTABLE_H_
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