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/*
* Copyright (C) 2015 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_FIELD_INL_H_
#define ART_RUNTIME_MIRROR_FIELD_INL_H_
#include "field.h"
#include "art_field-inl.h"
#include "runtime-inl.h"
namespace art {
namespace mirror {
template <bool kTransactionActive>
inline mirror::Field* Field::CreateFromArtField(Thread* self, ArtField* field,
bool force_resolve) {
// Try to resolve type before allocating since this is a thread suspension point.
mirror::Class* type = field->GetType<true>();
if (type == nullptr) {
if (force_resolve) {
if (kIsDebugBuild) {
self->AssertPendingException();
}
return nullptr;
} else {
// Can't resolve, clear the exception if it isn't OOME and continue with a null type.
mirror::Throwable* exception = self->GetException();
if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) {
return nullptr;
}
self->ClearException();
}
}
StackHandleScope<1> hs(self);
auto ret = hs.NewHandle(static_cast<Field*>(StaticClass()->AllocObject(self)));
if (ret.Get() == nullptr) {
if (kIsDebugBuild) {
self->AssertPendingException();
}
return nullptr;
}
auto dex_field_index = field->GetDexFieldIndex();
auto* resolved_field = field->GetDexCache()->GetResolvedField(dex_field_index, sizeof(void*));
if (resolved_field != nullptr) {
DCHECK_EQ(resolved_field, field);
} else {
// We rely on the field being resolved so that we can back to the ArtField
// (i.e. FromReflectedMethod).
field->GetDexCache()->SetResolvedField(dex_field_index, field, sizeof(void*));
}
ret->SetType<kTransactionActive>(type);
ret->SetDeclaringClass<kTransactionActive>(field->GetDeclaringClass());
ret->SetAccessFlags<kTransactionActive>(field->GetAccessFlags());
ret->SetDexFieldIndex<kTransactionActive>(dex_field_index);
ret->SetOffset<kTransactionActive>(field->GetOffset().Int32Value());
return ret.Get();
}
} // namespace mirror
} // namespace art
#endif // ART_RUNTIME_MIRROR_FIELD_INL_H_
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