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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_OBJECT_ARRAY_ALLOC_INL_H_
#define ART_RUNTIME_MIRROR_OBJECT_ARRAY_ALLOC_INL_H_
#include "object_array.h"
#include "array-alloc-inl.h"
#include "array-inl.h"
#include "class.h"
#include "dex/primitive.h"
#include "gc/heap-inl.h"
#include "handle_scope-inl.h"
#include "obj_ptr-inl.h"
#include "object-inl.h"
#include "runtime.h"
namespace art {
namespace mirror {
template<class T>
inline ObjPtr<ObjectArray<T>> ObjectArray<T>::Alloc(Thread* self,
ObjPtr<Class> object_array_class,
int32_t length,
gc::AllocatorType allocator_type) {
ObjPtr<Array> array = Array::Alloc<true>(self,
object_array_class,
length,
ComponentSizeShiftWidth(kHeapReferenceSize),
allocator_type);
if (UNLIKELY(array == nullptr)) {
return nullptr;
}
DCHECK_EQ(array->GetClass()->GetComponentSizeShift(),
ComponentSizeShiftWidth(kHeapReferenceSize));
return array->AsObjectArray<T>();
}
template<class T>
inline ObjPtr<ObjectArray<T>> ObjectArray<T>::Alloc(Thread* self,
ObjPtr<Class> object_array_class,
int32_t length) {
return Alloc(self,
object_array_class,
length,
Runtime::Current()->GetHeap()->GetCurrentAllocator());
}
template<class T>
inline ObjPtr<ObjectArray<T>> ObjectArray<T>::CopyOf(Thread* self, int32_t new_length) {
DCHECK_GE(new_length, 0);
// We may get copied by a compacting GC.
StackHandleScope<1> hs(self);
Handle<ObjectArray<T>> h_this(hs.NewHandle(this));
gc::Heap* heap = Runtime::Current()->GetHeap();
gc::AllocatorType allocator_type = heap->IsMovableObject(this) ? heap->GetCurrentAllocator() :
heap->GetCurrentNonMovingAllocator();
ObjPtr<ObjectArray<T>> new_array = Alloc(self, GetClass(), new_length, allocator_type);
if (LIKELY(new_array != nullptr)) {
new_array->AssignableMemcpy(0, h_this.Get(), 0, std::min(h_this->GetLength(), new_length));
}
return new_array;
}
} // namespace mirror
} // namespace art
#endif // ART_RUNTIME_MIRROR_OBJECT_ARRAY_ALLOC_INL_H_
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