1 /**
2 * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #ifndef PANDA_RUNTIME_CLASS_LINKER_INL_H_
16 #define PANDA_RUNTIME_CLASS_LINKER_INL_H_
17
18 #include "libpandafile/panda_cache.h"
19 #include "runtime/include/class_linker.h"
20 #include "runtime/include/panda_vm.h"
21 #include "runtime/include/runtime.h"
22 #include "runtime/include/mtmanaged_thread.h"
23
24 namespace ark {
25
GetClass(const Method & caller,panda_file::File::EntityId id,ClassLinkerErrorHandler * errorHandler)26 inline Class *ClassLinker::GetClass(const Method &caller, panda_file::File::EntityId id,
27 ClassLinkerErrorHandler *errorHandler /* = nullptr */)
28 {
29 ASSERT(!MTManagedThread::ThreadIsMTManagedThread(Thread::GetCurrent()) ||
30 !PandaVM::GetCurrent()->GetGC()->IsGCRunning() || PandaVM::GetCurrent()->GetMutatorLock()->HasLock());
31
32 Class *klass = caller.GetPandaFile()->GetPandaCache()->GetClassFromCache(id);
33 if (klass != nullptr) {
34 return klass;
35 }
36 LanguageContext ctx = Runtime::GetCurrent()->GetLanguageContext(caller);
37 auto *ext = GetExtension(ctx);
38 ASSERT(ext != nullptr);
39 klass = ext->GetClass(*caller.GetPandaFile(), id, caller.GetClass()->GetLoadContext(),
40 (errorHandler == nullptr) ? ext->GetErrorHandler() : errorHandler);
41 if (LIKELY(klass != nullptr)) {
42 caller.GetPandaFile()->GetPandaCache()->SetClassCache(id, klass);
43 }
44 return klass;
45 }
46
AddClassRoot(ClassRoot root,Class * klass)47 inline void ClassLinker::AddClassRoot(ClassRoot root, Class *klass)
48 {
49 LanguageContext ctx = Runtime::GetCurrent()->GetLanguageContext(*klass);
50 auto *ext = GetExtension(ctx);
51 ASSERT(ext != nullptr);
52 ASSERT(klass != nullptr);
53 ext->SetClassRoot(root, klass);
54
55 RemoveCreatedClassInExtension(klass);
56 }
57
GetLoadedClass(const panda_file::File & pf,panda_file::File::EntityId id,ClassLinkerContext * context)58 inline Class *ClassLinker::GetLoadedClass(const panda_file::File &pf, panda_file::File::EntityId id,
59 ClassLinkerContext *context)
60 {
61 ASSERT(context != nullptr);
62 ASSERT(!MTManagedThread::ThreadIsMTManagedThread(Thread::GetCurrent()));
63
64 Class *cls = pf.GetPandaCache()->GetClassFromCache(id);
65 if (LIKELY(cls != nullptr)) {
66 return cls;
67 }
68
69 cls = context->FindClass(pf.GetStringData(id).data);
70 if (LIKELY(cls != nullptr)) {
71 pf.GetPandaCache()->SetClassCache(id, cls);
72 return cls;
73 }
74 return nullptr;
75 }
76
77 } // namespace ark
78
79 #endif // PANDA_RUNTIME_CLASS_LINKER_INL_H_
80