You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
3.6 KiB
100 lines
3.6 KiB
4 months ago
|
/*
|
||
|
|
* 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_reflect_Method.h"
|
||
|
|
|
||
|
|
#include "nativehelper/jni_macros.h"
|
||
|
|
|
||
|
|
#include "art_method-inl.h"
|
||
|
|
#include "base/enums.h"
|
||
|
|
#include "class_linker-inl.h"
|
||
|
|
#include "class_linker.h"
|
||
|
|
#include "class_root-inl.h"
|
||
|
|
#include "dex/dex_file_annotations.h"
|
||
|
|
#include "jni/jni_internal.h"
|
||
|
|
#include "mirror/class-inl.h"
|
||
|
|
#include "mirror/object-inl.h"
|
||
|
|
#include "mirror/object_array-alloc-inl.h"
|
||
|
|
#include "native_util.h"
|
||
|
|
#include "reflection.h"
|
||
|
|
#include "scoped_fast_native_object_access-inl.h"
|
||
|
|
#include "well_known_classes.h"
|
||
|
|
|
||
|
|
namespace art {
|
||
|
|
|
||
|
|
static jobject Method_getDefaultValue(JNIEnv* env, jobject javaMethod) {
|
||
|
|
ScopedFastNativeObjectAccess soa(env);
|
||
|
|
ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
|
||
|
|
if (!method->GetDeclaringClass()->IsAnnotation()) {
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
return soa.AddLocalReference<jobject>(annotations::GetAnnotationDefaultValue(method));
|
||
|
|
}
|
||
|
|
|
||
|
|
static jobjectArray Method_getExceptionTypes(JNIEnv* env, jobject javaMethod) {
|
||
|
|
ScopedFastNativeObjectAccess soa(env);
|
||
|
|
ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
|
||
|
|
if (method->GetDeclaringClass()->IsProxyClass()) {
|
||
|
|
ObjPtr<mirror::Class> klass = method->GetDeclaringClass();
|
||
|
|
int throws_index = -1;
|
||
|
|
size_t i = 0;
|
||
|
|
for (const auto& m : klass->GetDeclaredVirtualMethods(kRuntimePointerSize)) {
|
||
|
|
if (&m == method) {
|
||
|
|
throws_index = i;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
++i;
|
||
|
|
}
|
||
|
|
CHECK_NE(throws_index, -1);
|
||
|
|
StackHandleScope<1u> hs(soa.Self());
|
||
|
|
Handle<mirror::ObjectArray<mirror::Class>> declared_exceptions =
|
||
|
|
hs.NewHandle(klass->GetProxyThrows()->Get(throws_index));
|
||
|
|
return soa.AddLocalReference<jobjectArray>(
|
||
|
|
mirror::ObjectArray<mirror::Class>::Clone(declared_exceptions, soa.Self()));
|
||
|
|
} else {
|
||
|
|
ObjPtr<mirror::ObjectArray<mirror::Class>> result_array =
|
||
|
|
annotations::GetExceptionTypesForMethod(method);
|
||
|
|
if (result_array == nullptr) {
|
||
|
|
// Return an empty array instead of a null pointer
|
||
|
|
ObjPtr<mirror::Class> class_array_class = GetClassRoot<mirror::ObjectArray<mirror::Class>>();
|
||
|
|
DCHECK(class_array_class != nullptr);
|
||
|
|
ObjPtr<mirror::ObjectArray<mirror::Class>> empty_array =
|
||
|
|
mirror::ObjectArray<mirror::Class>::Alloc(soa.Self(), class_array_class, 0);
|
||
|
|
return soa.AddLocalReference<jobjectArray>(empty_array);
|
||
|
|
} else {
|
||
|
|
return soa.AddLocalReference<jobjectArray>(result_array);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static jobject Method_invoke(JNIEnv* env, jobject javaMethod, jobject javaReceiver,
|
||
|
|
jobjectArray javaArgs) {
|
||
|
|
ScopedFastNativeObjectAccess soa(env);
|
||
|
|
return InvokeMethod<kRuntimePointerSize>(soa, javaMethod, javaReceiver, javaArgs);
|
||
|
|
}
|
||
|
|
|
||
|
|
static JNINativeMethod gMethods[] = {
|
||
|
|
FAST_NATIVE_METHOD(Method, getDefaultValue, "()Ljava/lang/Object;"),
|
||
|
|
FAST_NATIVE_METHOD(Method, getExceptionTypes, "()[Ljava/lang/Class;"),
|
||
|
|
FAST_NATIVE_METHOD(Method, invoke, "(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;"),
|
||
|
|
};
|
||
|
|
|
||
|
|
void register_java_lang_reflect_Method(JNIEnv* env) {
|
||
|
|
REGISTER_NATIVE_METHODS("java/lang/reflect/Method");
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace art
|