1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "field_helper.h"
18 
19 #include "class_linker-inl.h"
20 #include "dex_file.h"
21 #include "mirror/dex_cache.h"
22 #include "runtime.h"
23 #include "thread-inl.h"
24 
25 namespace art {
26 
GetType(bool resolve)27 mirror::Class* FieldHelper::GetType(bool resolve) {
28   uint32_t field_index = field_->GetDexFieldIndex();
29   if (UNLIKELY(field_->GetDeclaringClass()->IsProxyClass())) {
30     return Runtime::Current()->GetClassLinker()->FindSystemClass(Thread::Current(),
31                                                                  field_->GetTypeDescriptor());
32   }
33   const DexFile* dex_file = field_->GetDexFile();
34   const DexFile::FieldId& field_id = dex_file->GetFieldId(field_index);
35   mirror::Class* type = field_->GetDexCache()->GetResolvedType(field_id.type_idx_);
36   if (resolve && (type == nullptr)) {
37     type = Runtime::Current()->GetClassLinker()->ResolveType(field_id.type_idx_, field_.Get());
38     CHECK(type != nullptr || Thread::Current()->IsExceptionPending());
39   }
40   return type;
41 }
42 
GetDeclaringClassDescriptor()43 const char* FieldHelper::GetDeclaringClassDescriptor() {
44   return field_->GetDeclaringClass()->GetDescriptor(&declaring_class_descriptor_);
45 }
46 
47 }  // namespace art
48