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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 "ecmascript/module/static/static_module_loader.h"
17 #include "ecmascript/global_env.h"
18 #include "ecmascript/object_factory-inl.h"
19 #include "ecmascript/module/module_path_helper.h"
20 #include "ecmascript/module/js_module_deregister.h"
21 #include "ecmascript/module/js_shared_module_manager.h"
22 #include "ecmascript/shared_objects/js_shared_array.h"
23 #include "ecmascript/module/js_module_source_text.h"
24 #include "ecmascript/module/module_data_extractor.h"
25 #include "ecmascript/builtins/builtins_promise_job.h"
26 #include "ecmascript/interpreter/interpreter.h"
27 #include "ecmascript/js_promise.h"
28 #include "ecmascript/module/module_path_helper.h"
29 #include "ecmascript/module/static/static_module_proxy_handler.h"
30 
31 namespace panda::ecmascript {
CanTryLoadStaticModulePath(const CString & requestPath)32 bool StaticModuleLoader::CanTryLoadStaticModulePath(const CString &requestPath)
33 {
34     // Filters the 1.0 ohmurl that can be determined
35     if (ModulePathHelper::IsOhmUrl(requestPath) || ModulePathHelper::IsImportFile(requestPath)
36         || StringHelper::StringStartWith(requestPath, ModulePathHelper::PREFIX_MODULE)
37         || StringHelper::StringStartWith(requestPath, ModulePathHelper::RAW_ARKUIX_PREFIX)
38         || StringHelper::StringStartWith(requestPath, ModulePathHelper::PREFIX_NORMALIZED)) {
39         return false;
40     }
41     return true;
42 }
43 
GetStaticModuleLoadFunc(EcmaVM * vm)44 Local<JSValueRef> StaticModuleLoader::GetStaticModuleLoadFunc(EcmaVM *vm)
45 {
46     auto thread = vm->GetJSThread();
47     auto globalConstants = thread->GlobalConstants();
48     Local<ObjectRef> globalObject = JSNApi::GetGlobalObject(vm);
49     Local<JSValueRef> pandaObject = globalObject->Get(vm,
50         JSNApiHelper::ToLocal<StringRef>(globalConstants->GetHandledPandaString()));
51     if (pandaObject->IsUndefined()) {
52         LOG_ECMA(DEBUG) << "the current env is not 1.2 vm";
53         return JSValueRef::Undefined(vm);
54     }
55     JSHandle<JSTaggedValue> getModule = JSTaggedValue::GetProperty(thread, JSNApiHelper::ToJSHandle(pandaObject),
56         globalConstants->GetHandledGetModuleString()).GetValue();
57     Local<JSValueRef> getModuleRef = JSNApiHelper::ToLocal<JSValueRef>(getModule);
58     if (!getModuleRef->IsFunction(vm)) {
59         return JSValueRef::Undefined(vm);
60     }
61     return getModuleRef;
62 }
63 
LoadStaticModule(JSThread * thread,Local<FunctionRef> getEsModuleFunc,const CString & key)64 JSHandle<JSTaggedValue> StaticModuleLoader::LoadStaticModule(JSThread *thread,
65     Local<FunctionRef> getEsModuleFunc, const CString &key)
66 {
67     auto moduleManager = thread->GetModuleManager();
68     if (moduleManager->IsModuleLoaded(key)) {
69         LOG_ECMA(INFO) << "load static module from cache.";
70         JSHandle<SourceTextModule> moduleRecord = moduleManager->HostGetImportedModule(key);
71         return JSHandle<JSTaggedValue>(thread, moduleRecord->GetModuleValue(thread, 0, false));
72     }
73 
74     auto vm = thread->GetEcmaVM();
75     auto globalConstants = thread->GlobalConstants();
76 
77     JSHandle<JSTaggedValue> moduleRecord = ModuleDataExtractor::ParseNativeModule(thread, key,
78                                                                                   "", ModuleTypes::STATIC_MODULE);
79     JSHandle<SourceTextModule> nativeModule = JSHandle<SourceTextModule>::Cast(moduleRecord);
80     std::vector<Local<JSValueRef>> moduleArgs;
81     moduleArgs.emplace_back(StringRef::NewFromUtf8(vm, key.c_str()));
82     Local<JSValueRef> moduleExport = getEsModuleFunc->Call(vm, JSValueRef::Undefined(vm),
83                                                       moduleArgs.data(), moduleArgs.size());
84     RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, JSHandle<JSTaggedValue>(thread, JSTaggedValue::Undefined()));
85     JSHandle<JSProxy> proxyExport = StaticModuleProxyHandler::CreateStaticModuleProxyHandler(thread,
86         JSNApiHelper::ToJSHandle(moduleExport));
87     JSHandle<JSTaggedValue> value(proxyExport);
88     SourceTextModule::RecordEvaluatedOrError(thread, nativeModule);
89     nativeModule->SetLoadingTypes(LoadingTypes::STABLE_MODULE);
90     SourceTextModule::StoreModuleValue(thread, nativeModule, 0, value);
91     moduleManager->AddResolveImportedModule(key, moduleRecord.GetTaggedValue());
92     return value;
93 }
94 
95 }  // namespace panda::ecmascript
96