/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_MIRROR_IFTABLE_H_
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#define ART_RUNTIME_MIRROR_IFTABLE_H_
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#include "base/casts.h"
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#include "object_array.h"
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namespace art {
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namespace mirror {
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class MANAGED IfTable final : public ObjectArray<Object> {
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public:
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template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags,
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ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
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ALWAYS_INLINE ObjPtr<Class> GetInterface(int32_t i) REQUIRES_SHARED(Locks::mutator_lock_);
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ALWAYS_INLINE void SetInterface(int32_t i, ObjPtr<Class> interface)
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REQUIRES_SHARED(Locks::mutator_lock_);
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template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags,
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ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
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ObjPtr<PointerArray> GetMethodArrayOrNull(int32_t i) REQUIRES_SHARED(Locks::mutator_lock_);
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template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags,
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ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
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ObjPtr<PointerArray> GetMethodArray(int32_t i) REQUIRES_SHARED(Locks::mutator_lock_);
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template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags,
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ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
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size_t GetMethodArrayCount(int32_t i) REQUIRES_SHARED(Locks::mutator_lock_);
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void SetMethodArray(int32_t i, ObjPtr<PointerArray> arr) REQUIRES_SHARED(Locks::mutator_lock_);
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size_t Count() REQUIRES_SHARED(Locks::mutator_lock_) {
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return GetLength() / kMax;
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}
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enum {
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// Points to the interface class.
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kInterface = 0,
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// Method pointers into the vtable, allow fast map from interface method index to concrete
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// instance method.
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kMethodArray = 1,
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kMax = 2,
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};
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(IfTable);
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};
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} // namespace mirror
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} // namespace art
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#endif // ART_RUNTIME_MIRROR_IFTABLE_H_
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