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1 /**
2  * Copyright (c) 2021-2025 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 
26 // CC-OFFNXT(G.FUD.06) perf critical
GetClass(const Method & caller,panda_file::File::EntityId id,ClassLinkerErrorHandler * errorHandler)27 inline Class *ClassLinker::GetClass(const Method &caller, panda_file::File::EntityId id,
28                                     ClassLinkerErrorHandler *errorHandler /* = nullptr */)
29 {
30     ASSERT(!MTManagedThread::ThreadIsMTManagedThread(Thread::GetCurrent()) ||
31            !PandaVM::GetCurrent()->GetGC()->IsGCRunning() || PandaVM::GetCurrent()->GetMutatorLock()->HasLock());
32 
33     Class *klass = caller.GetPandaFile()->GetPandaCache()->GetClassFromCache(id);
34     if (klass != nullptr) {
35         return klass;
36     }
37     LanguageContext ctx = Runtime::GetCurrent()->GetLanguageContext(caller);
38     auto *ext = GetExtension(ctx);
39     ASSERT(ext != nullptr);
40     klass = ext->GetClass(*caller.GetPandaFile(), id, caller.GetClass()->GetLoadContext(),
41                           (errorHandler == nullptr) ? ext->GetErrorHandler() : errorHandler);
42     if (LIKELY(klass != nullptr)) {
43         caller.GetPandaFile()->GetPandaCache()->SetClassCache(id, klass);
44     }
45     return klass;
46 }
47 
AddClassRoot(ClassRoot root,Class * klass)48 inline void ClassLinker::AddClassRoot(ClassRoot root, Class *klass)
49 {
50     LanguageContext ctx = Runtime::GetCurrent()->GetLanguageContext(*klass);
51     auto *ext = GetExtension(ctx);
52     ASSERT(ext != nullptr);
53     ASSERT(klass != nullptr);
54     ext->SetClassRoot(root, klass);
55 
56     RemoveCreatedClassInExtension(klass);
57 }
58 
59 // CC-OFFNXT(G.FUD.06) perf critical
GetLoadedClass(const panda_file::File & pf,panda_file::File::EntityId id,ClassLinkerContext * context)60 inline Class *ClassLinker::GetLoadedClass(const panda_file::File &pf, panda_file::File::EntityId id,
61                                           ClassLinkerContext *context)
62 {
63     ASSERT(context != nullptr);
64 
65     Class *cls = pf.GetPandaCache()->GetClassFromCache(id);
66     if (LIKELY(cls != nullptr)) {
67         return cls;
68     }
69 
70     cls = FindLoadedClass(pf.GetStringData(id).data, context);
71     if (LIKELY(cls != nullptr)) {
72         pf.GetPandaCache()->SetClassCache(id, cls);
73         return cls;
74     }
75     return nullptr;
76 }
77 
78 }  // namespace ark
79 
80 #endif  // PANDA_RUNTIME_CLASS_LINKER_INL_H_
81