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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.
*/
#include "field-inl.h"
#include "class-inl.h"
#include "dex_cache-inl.h"
#include "object-inl.h"
#include "object_array-inl.h"
#include "write_barrier.h"
namespace art {
namespace mirror {
void Field::VisitTarget(ReflectiveValueVisitor* v) {
HeapReflectiveSourceInfo hrsi(kSourceJavaLangReflectField, this);
ArtField* orig = GetArtField();
ArtField* new_value = v->VisitField(orig, hrsi);
if (orig != new_value) {
SetOffset<false>(new_value->GetOffset().Int32Value());
SetDeclaringClass<false>(new_value->GetDeclaringClass());
auto new_range =
IsStatic() ? GetDeclaringClass()->GetSFields() : GetDeclaringClass()->GetIFields();
auto position = std::find_if(
new_range.begin(), new_range.end(), [&](const auto& f) { return &f == new_value; });
DCHECK(position != new_range.end());
SetArtFieldIndex<false>(std::distance(new_range.begin(), position));
WriteBarrier::ForEveryFieldWrite(this);
}
DCHECK_EQ(new_value, GetArtField());
}
ArtField* Field::GetArtField() {
ObjPtr<mirror::Class> declaring_class = GetDeclaringClass();
DCHECK_LT(GetArtFieldIndex(),
IsStatic() ? declaring_class->NumStaticFields() : declaring_class->NumInstanceFields());
if (IsStatic()) {
return declaring_class->GetStaticField(GetArtFieldIndex());
} else {
return declaring_class->GetInstanceField(GetArtFieldIndex());
}
}
} // namespace mirror
} // namespace art
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