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1 /**
2  * Copyright (c) 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 
16 #include "ets_platform_types.h"
17 #include "file.h"
18 #include "include/object_header.h"
19 #include "intrinsics.h"
20 #include "os/mutex.h"
21 #include "plugins/ets/runtime/ets_class_linker_context.h"
22 #include "plugins/ets/runtime/ets_class_linker_extension.h"
23 #include "plugins/ets/runtime/ets_coroutine.h"
24 #include "plugins/ets/runtime/ets_exceptions.h"
25 #include "plugins/ets/runtime/types/ets_abc_file.h"
26 #include "plugins/ets/runtime/types/ets_abc_runtime_linker.h"
27 #include "plugins/ets/runtime/types/ets_array.h"
28 #include "plugins/ets/runtime/types/ets_primitives.h"
29 #include "plugins/ets/runtime/types/ets_string.h"
30 
31 namespace ark::ets::intrinsics {
32 
EtsAbcRuntimeLinkerAddNewAbcFiles(EtsAbcRuntimeLinker * runtimeLinker,ObjectHeader * newAbcFilesArray)33 void EtsAbcRuntimeLinkerAddNewAbcFiles(EtsAbcRuntimeLinker *runtimeLinker, ObjectHeader *newAbcFilesArray)
34 {
35     auto *coro = EtsCoroutine::GetCurrent();
36     [[maybe_unused]] EtsHandleScope hs(coro);
37     EtsHandle newAbcFilesHandle(coro, EtsTypedObjectArray<EtsAbcFile>::FromCoreType(newAbcFilesArray));
38     EtsHandle linkerHandle(coro, runtimeLinker);
39     auto *ctx = reinterpret_cast<EtsClassLinkerContext *>(linkerHandle->GetClassLinkerContext());
40 
41     os::memory::LockHolder lock(ctx->GetAbcFilesMutex());
42     EtsHandle currentAbcFilesHandle(coro, linkerHandle->GetAbcFiles());
43     auto currentLength = currentAbcFilesHandle->GetLength();
44     auto resultLength = newAbcFilesHandle->GetLength() + currentLength;
45     EtsHandle resultAbcFilesHandle(coro, EtsObjectArray::Create(PlatformTypes(coro)->coreAbcFile, resultLength));
46     if (UNLIKELY(resultAbcFilesHandle.GetPtr() == nullptr)) {
47         ASSERT(coro->HasPendingException());
48         return;
49     }
50 
51     currentAbcFilesHandle->CopyDataTo(resultAbcFilesHandle.GetPtr());
52     for (size_t start = currentLength, i = start; i < resultLength; ++i) {
53         resultAbcFilesHandle->Set(i, newAbcFilesHandle->Get(i - start));
54     }
55     linkerHandle->SetAbcFiles(resultAbcFilesHandle.GetPtr());
56 }
57 
EtsAbcRuntimeLinkerLoadClassFromAbcFiles(EtsAbcRuntimeLinker * runtimeLinker,EtsString * clsName,EtsBoolean init)58 EtsClass *EtsAbcRuntimeLinkerLoadClassFromAbcFiles(EtsAbcRuntimeLinker *runtimeLinker, EtsString *clsName,
59                                                    EtsBoolean init)
60 {
61     const auto name = clsName->GetMutf8();
62     PandaString descriptor;
63     const auto *classDescriptor = ClassHelper::GetDescriptor(utf::CStringAsMutf8(name.c_str()), &descriptor);
64 
65     auto *coro = EtsCoroutine::GetCurrent();
66     auto *classLinker = Runtime::GetCurrent()->GetClassLinker();
67     auto *errorHandler = PandaEtsVM::GetCurrent()->GetEtsClassLinkerExtension()->GetErrorHandler();
68     auto *ctx = reinterpret_cast<EtsClassLinkerContext *>(runtimeLinker->GetClassLinkerContext());
69     os::memory::LockHolder rlock(ctx->GetAbcFilesMutex());
70 
71     auto *abcFiles = runtimeLinker->GetAbcFiles();
72     for (size_t i = 0, end = abcFiles->GetLength(); i < end; ++i) {
73         auto *pf = EtsAbcFile::FromEtsObject(abcFiles->Get(i))->GetPandaFile();
74         const auto classId = pf->GetClassId(classDescriptor);
75         if (!classId.IsValid() || pf->IsExternal(classId)) {
76             continue;
77         }
78 
79         auto *klass = classLinker->LoadClass(*pf, classId, ctx, errorHandler, true);
80         if (UNLIKELY(klass == nullptr)) {
81             ASSERT(coro->HasPendingException());
82             return nullptr;
83         }
84 
85         if (UNLIKELY(init != 0 && !klass->IsInitialized())) {
86             if (UNLIKELY(!classLinker->InitializeClass(coro, klass))) {
87                 ASSERT(coro->HasPendingException());
88                 return nullptr;
89             }
90         }
91         return EtsClass::FromRuntimeClass(klass);
92     }
93     return nullptr;
94 }
95 
96 }  // namespace ark::ets::intrinsics
97