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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_SRC_MIRROR_OBJECT_ARRAY_INL_H_
+#define ART_SRC_MIRROR_OBJECT_ARRAY_INL_H_
+
+#include "object_array.h"
+
+#include "gc/heap.h"
+#include "mirror/class.h"
+#include "mirror/field.h"
+#include "runtime.h"
+#include "thread.h"
+
+namespace art {
+namespace mirror {
+
+template<class T>
+inline ObjectArray<T>* ObjectArray<T>::Alloc(Thread* self, Class* object_array_class, int32_t length) {
+ Array* array = Array::Alloc(self, object_array_class, length, sizeof(Object*));
+ if (UNLIKELY(array == NULL)) {
+ return NULL;
+ } else {
+ return array->AsObjectArray<T>();
+ }
+}
+
+template<class T>
+inline T* ObjectArray<T>::Get(int32_t i) const {
+ if (UNLIKELY(!IsValidIndex(i))) {
+ return NULL;
+ }
+ MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*));
+ return GetFieldObject<T*>(data_offset, false);
+}
+
+template<class T>
+inline bool ObjectArray<T>::CheckAssignable(T* object) {
+ if (object != NULL) {
+ Class* element_class = GetClass()->GetComponentType();
+ if (UNLIKELY(!object->InstanceOf(element_class))) {
+ ThrowArrayStoreException(object);
+ return false;
+ }
+ }
+ return true;
+}
+
+template<class T>
+inline void ObjectArray<T>::Set(int32_t i, T* object) {
+ if (LIKELY(IsValidIndex(i) && CheckAssignable(object))) {
+ MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*));
+ SetFieldObject(data_offset, object, false);
+ } else {
+ DCHECK(Thread::Current()->IsExceptionPending());
+ }
+}
+
+template<class T>
+inline void ObjectArray<T>::SetWithoutChecks(int32_t i, T* object) {
+ DCHECK(IsValidIndex(i));
+ MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*));
+ SetFieldObject(data_offset, object, false);
+}
+
+template<class T>
+inline void ObjectArray<T>::SetPtrWithoutChecks(int32_t i, T* object) {
+ DCHECK(IsValidIndex(i));
+ MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*));
+ SetFieldPtr(data_offset, object, false);
+}
+
+template<class T>
+inline T* ObjectArray<T>::GetWithoutChecks(int32_t i) const {
+ DCHECK(IsValidIndex(i));
+ MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*));
+ return GetFieldObject<T*>(data_offset, false);
+}
+
+template<class T>
+inline void ObjectArray<T>::Copy(const ObjectArray<T>* src, int src_pos,
+ ObjectArray<T>* dst, int dst_pos,
+ size_t length) {
+ if (src->IsValidIndex(src_pos) &&
+ src->IsValidIndex(src_pos+length-1) &&
+ dst->IsValidIndex(dst_pos) &&
+ dst->IsValidIndex(dst_pos+length-1)) {
+ MemberOffset src_offset(DataOffset(sizeof(Object*)).Int32Value() + src_pos * sizeof(Object*));
+ MemberOffset dst_offset(DataOffset(sizeof(Object*)).Int32Value() + dst_pos * sizeof(Object*));
+ Class* array_class = dst->GetClass();
+ gc::Heap* heap = Runtime::Current()->GetHeap();
+ if (array_class == src->GetClass()) {
+ // No need for array store checks if arrays are of the same type
+ for (size_t i = 0; i < length; i++) {
+ Object* object = src->GetFieldObject<Object*>(src_offset, false);
+ heap->VerifyObject(object);
+ // directly set field, we do a bulk write barrier at the end
+ dst->SetField32(dst_offset, reinterpret_cast<uint32_t>(object), false, true);
+ src_offset = MemberOffset(src_offset.Uint32Value() + sizeof(Object*));
+ dst_offset = MemberOffset(dst_offset.Uint32Value() + sizeof(Object*));
+ }
+ } else {
+ Class* element_class = array_class->GetComponentType();
+ CHECK(!element_class->IsPrimitive());
+ for (size_t i = 0; i < length; i++) {
+ Object* object = src->GetFieldObject<Object*>(src_offset, false);
+ if (object != NULL && !object->InstanceOf(element_class)) {
+ dst->ThrowArrayStoreException(object);
+ return;
+ }
+ heap->VerifyObject(object);
+ // directly set field, we do a bulk write barrier at the end
+ dst->SetField32(dst_offset, reinterpret_cast<uint32_t>(object), false, true);
+ src_offset = MemberOffset(src_offset.Uint32Value() + sizeof(Object*));
+ dst_offset = MemberOffset(dst_offset.Uint32Value() + sizeof(Object*));
+ }
+ }
+ heap->WriteBarrierArray(dst, dst_pos, length);
+ }
+}
+
+template<class T>
+inline ObjectArray<T>* ObjectArray<T>::CopyOf(Thread* self, int32_t new_length) {
+ ObjectArray<T>* new_array = Alloc(self, GetClass(), new_length);
+ Copy(this, 0, new_array, 0, std::min(GetLength(), new_length));
+ return new_array;
+}
+
+} // namespace mirror
+} // namespace art
+
+#endif // ART_SRC_MIRROR_OBJET_ARRAY_INL_H_