/*
|
* Copyright (C) 2008 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 "java_lang_invoke_MethodHandleImpl.h"
|
|
#include "nativehelper/jni_macros.h"
|
|
#include "art_method.h"
|
#include "handle_scope-inl.h"
|
#include "jni/jni_internal.h"
|
#include "mirror/field.h"
|
#include "mirror/method.h"
|
#include "mirror/method_handle_impl.h"
|
#include "native_util.h"
|
#include "runtime.h"
|
#include "scoped_thread_state_change-inl.h"
|
|
namespace art {
|
|
static jobject MethodHandleImpl_getMemberInternal(JNIEnv* env, jobject thiz) {
|
ScopedObjectAccess soa(env);
|
StackHandleScope<2> hs(soa.Self());
|
Handle<mirror::MethodHandleImpl> handle = hs.NewHandle(
|
soa.Decode<mirror::MethodHandleImpl>(thiz));
|
|
// Check the handle kind, we need to materialize a Field for field accessors,
|
// a Method for method invokers and a Constructor for constructors.
|
const mirror::MethodHandle::Kind handle_kind = handle->GetHandleKind();
|
|
// We check this here because we pass false to CreateFromArtField and
|
// CreateFromArtMethod.
|
DCHECK(!Runtime::Current()->IsActiveTransaction());
|
|
MutableHandle<mirror::Object> h_object(hs.NewHandle<mirror::Object>(nullptr));
|
if (handle_kind >= mirror::MethodHandle::kFirstAccessorKind) {
|
ArtField* const field = handle->GetTargetField();
|
h_object.Assign(mirror::Field::CreateFromArtField<kRuntimePointerSize, false>(
|
soa.Self(), field, /* force_resolve= */ false));
|
} else {
|
ArtMethod* const method = handle->GetTargetMethod();
|
if (method->IsConstructor()) {
|
h_object.Assign(mirror::Constructor::CreateFromArtMethod<kRuntimePointerSize, false>(
|
soa.Self(), method));
|
} else {
|
h_object.Assign(mirror::Method::CreateFromArtMethod<kRuntimePointerSize, false>(
|
soa.Self(), method));
|
}
|
}
|
|
if (UNLIKELY(h_object == nullptr)) {
|
soa.Self()->AssertPendingOOMException();
|
return nullptr;
|
}
|
|
return soa.AddLocalReference<jobject>(h_object.Get());
|
}
|
|
static JNINativeMethod gMethods[] = {
|
NATIVE_METHOD(MethodHandleImpl, getMemberInternal, "()Ljava/lang/reflect/Member;"),
|
};
|
|
void register_java_lang_invoke_MethodHandleImpl(JNIEnv* env) {
|
REGISTER_NATIVE_METHODS("java/lang/invoke/MethodHandleImpl");
|
}
|
|
} // namespace art
|
