mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-07-19 19:43:48 -04:00
zhangyukun
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ecmascript/ecma_class_linker_extension.h"
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#include "ecmascript/ecma_string.h"
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#include "include/class_linker-inl.h"
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#include "include/coretypes/class.h"
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namespace panda::ecmascript {
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using SourceLang = panda_file::SourceLang;
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bool EcmaClassLinkerExtension::InitializeImpl(bool cmpStrEnabled)
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{
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return true;
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}
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EcmaClassLinkerExtension::~EcmaClassLinkerExtension()
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{
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if (!IsInitialized()) {
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return;
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}
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FreeLoadedClasses();
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}
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void EcmaClassLinkerExtension::InitClasses(EcmaVM *vm)
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{
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ASSERT(IsInitialized());
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vm_ = vm;
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LanguageContext ctx = Runtime::GetCurrent()->GetLanguageContext(GetLanguage());
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auto *objClass = NewClass(ctx.GetObjectClassDescriptor(), 0, 0, GetClassSize(ClassRoot::OBJECT));
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if (objClass == nullptr) {
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return;
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}
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objClass->SetObjectSize(TaggedObject::TaggedObjectSize());
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objClass->SetSourceLang(SourceLang::ECMASCRIPT);
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objClass->SetState(Class::State::LOADED);
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Runtime::GetCurrent()->GetClassLinker()->AddClassRoot(ClassRoot::OBJECT, objClass);
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}
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ClassLinkerContext *EcmaClassLinkerExtension::CreateApplicationClassLinkerContext(const PandaVector<PandaString> &path)
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{
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PandaVector<PandaFilePtr> app_files;
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app_files.reserve(path.size());
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for (auto &p : path) {
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auto pf = panda_file::OpenPandaFileOrZip(p, panda_file::File::READ_WRITE);
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if (pf == nullptr) {
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return nullptr;
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}
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app_files.push_back(std::move(pf));
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}
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return ClassLinkerExtension::CreateApplicationClassLinkerContext(std::move(app_files));
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}
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Class *EcmaClassLinkerExtension::NewClass(const uint8_t *descriptor, size_t vtableSize, size_t imtSize, size_t size)
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{
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ASSERT(IsInitialized());
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if (vm_ == nullptr) {
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return nullptr;
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}
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void *ptr = vm_->GetChunk()->Allocate(coretypes::Class::GetSize(size));
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// CODECHECK-NOLINTNEXTLINE(CPP_RULE_ID_SMARTPOINTER_INSTEADOF_ORIGINPOINTER)
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auto *res = reinterpret_cast<coretypes::Class *>(ptr);
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res->InitClass(descriptor, vtableSize, imtSize, size);
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res->SetClass(GetClassRoot(ClassRoot::CLASS));
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auto *klass = res->GetRuntimeClass();
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klass->SetManagedObject(res);
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klass->SetSourceLang(GetLanguage());
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return klass;
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}
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size_t EcmaClassLinkerExtension::GetClassSize([[maybe_unused]] ClassRoot root)
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{
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ASSERT(IsInitialized());
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// Used only in test scenarios.
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return sizeof(Class);
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}
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size_t EcmaClassLinkerExtension::GetArrayClassSize()
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{
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ASSERT(IsInitialized());
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return GetClassSize(ClassRoot::OBJECT);
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}
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void EcmaClassLinkerExtension::FreeClass([[maybe_unused]] Class *klass)
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{
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ASSERT(IsInitialized());
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if (vm_ == nullptr) {
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return;
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}
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auto *cls = coretypes::Class::FromRuntimeClass(klass);
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auto chunk = vm_->GetChunk();
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chunk->Delete(cls);
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}
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} // namespace panda::ecmascript
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