mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-07-01 06:41:42 -04:00
wengchangcheng
0b4981525d
1. using runtime container instead of stl container 2. change debugger line amd column type to int32_t issue: https://gitee.com/openharmony/ark_js_runtime/issues/I50NHW Signed-off-by: wengchangcheng <wengchangcheng@huawei.com> Change-Id: I0eb4651f17c6f6894f11de1ba904bcbe83a57db7
869 lines
46 KiB
C++
869 lines
46 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/module/js_module_source_text.h"
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#include "ecmascript/global_env.h"
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#include "ecmascript/base/string_helper.h"
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#include "ecmascript/jspandafile/js_pandafile_executor.h"
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#include "ecmascript/jspandafile/js_pandafile_manager.h"
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#include "ecmascript/jspandafile/module_data_extractor.h"
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#include "ecmascript/linked_hash_table.h"
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#include "ecmascript/module/js_module_manager.h"
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#include "ecmascript/module/js_module_namespace.h"
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#include "ecmascript/tagged_dictionary.h"
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namespace panda::ecmascript {
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CVector<std::string> SourceTextModule::GetExportedNames(JSThread *thread, const JSHandle<SourceTextModule> &module,
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const JSHandle<TaggedArray> &exportStarSet)
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{
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CVector<std::string> exportedNames;
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// 1. Let module be this Source Text Module Record.
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// 2. If exportStarSet contains module, then
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if (exportStarSet->GetIdx(module.GetTaggedValue()) != TaggedArray::MAX_ARRAY_INDEX) {
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// a. Assert: We've reached the starting point of an import * circularity.
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// b. Return a new empty List.
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return exportedNames;
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}
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// 3. Append module to exportStarSet.
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size_t len = exportStarSet->GetLength();
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JSHandle<TaggedArray> newExportStarSet = TaggedArray::SetCapacity(thread, exportStarSet, len + 1);
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newExportStarSet->Set(thread, len, module.GetTaggedValue());
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// 5. For each ExportEntry Record e in module.[[LocalExportEntries]], do
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JSTaggedValue entryValue = module->GetLocalExportEntries();
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auto globalConstants = thread->GlobalConstants();
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if (!entryValue.IsUndefined()) {
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JSHandle<TaggedArray> localExportEntries(thread, entryValue);
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size_t localExportEntriesLen = localExportEntries->GetLength();
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JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
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for (size_t idx = 0; idx < localExportEntriesLen; idx++) {
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ee.Update(localExportEntries->Get(idx));
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// a. Assert: module provides the direct binding for this export.
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// b. Append e.[[ExportName]] to exportedNames.
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std::string exportName =
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base::StringHelper::ToStdString(EcmaString::Cast(ee->GetExportName().GetHeapObject()));
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exportedNames.emplace_back(exportName);
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}
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}
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// 6. For each ExportEntry Record e in module.[[IndirectExportEntries]], do
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entryValue = module->GetIndirectExportEntries();
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if (!entryValue.IsUndefined()) {
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JSHandle<TaggedArray> indirectExportEntries(thread, entryValue);
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size_t indirectExportEntriesLen = indirectExportEntries->GetLength();
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JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
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for (size_t idx = 0; idx < indirectExportEntriesLen; idx++) {
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ee.Update(indirectExportEntries->Get(idx));
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// a. Assert: module imports a specific binding for this export.
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// b. Append e.[[ExportName]] to exportedNames.
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std::string exportName =
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base::StringHelper::ToStdString(EcmaString::Cast(ee->GetExportName().GetHeapObject()));
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exportedNames.emplace_back(exportName);
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}
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}
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// 7. For each ExportEntry Record e in module.[[StarExportEntries]], do
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entryValue = module->GetStarExportEntries();
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if (!entryValue.IsUndefined()) {
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JSHandle<TaggedArray> starExportEntries(thread, entryValue);
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size_t starExportEntriesLen = starExportEntries->GetLength();
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JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
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JSMutableHandle<JSTaggedValue> moduleRequest(thread, globalConstants->GetUndefined());
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for (size_t idx = 0; idx < starExportEntriesLen; idx++) {
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ee.Update(starExportEntries->Get(idx));
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// a. Let requestedModule be ? HostResolveImportedModule(module, e.[[ModuleRequest]]).
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moduleRequest.Update(ee->GetModuleRequest());
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JSHandle<SourceTextModule> requestedModule =
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SourceTextModule::HostResolveImportedModule(thread, module, moduleRequest);
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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, exportedNames);
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// b. Let starNames be ? requestedModule.GetExportedNames(exportStarSet).
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CVector<std::string> starNames =
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SourceTextModule::GetExportedNames(thread, requestedModule, newExportStarSet);
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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, exportedNames);
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// c. For each element n of starNames, do
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for (std::string &nn : starNames) {
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// i. If SameValue(n, "default") is false, then
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if (nn != "default" &&
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std::find(exportedNames.begin(), exportedNames.end(), nn) == exportedNames.end()) {
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// 1. If n is not an element of exportedNames, then
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// a. Append n to exportedNames.
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exportedNames.emplace_back(nn);
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}
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}
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}
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}
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return exportedNames;
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}
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JSHandle<SourceTextModule> SourceTextModule::HostResolveImportedModule(JSThread *thread,
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const JSHandle<SourceTextModule> &module,
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const JSHandle<JSTaggedValue> &moduleRequest)
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{
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CString moduleFilename = ConvertToString(EcmaString::Cast(moduleRequest->GetHeapObject()));
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ASSERT(module->GetEcmaModuleFilename().IsHeapObject());
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CString baseFilename =
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ConvertToString(EcmaString::Cast(module->GetEcmaModuleFilename().GetHeapObject()));
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int suffixEnd = moduleFilename.find_last_of('.');
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if (suffixEnd == -1) {
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(SourceTextModule, thread);
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}
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CString moduleFullname;
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if (moduleFilename[0] == '/') { // absoluteFilePath
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moduleFullname = moduleFilename.substr(0, suffixEnd) + ".abc";
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} else {
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int pos = baseFilename.find_last_of('/');
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if (pos == -1) {
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(SourceTextModule, thread);
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}
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moduleFullname = baseFilename.substr(0, pos + 1) + moduleFilename.substr(0, suffixEnd) + ".abc";
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}
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return thread->GetEcmaVM()->GetModuleManager()->HostResolveImportedModule(moduleFullname);
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}
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JSHandle<JSTaggedValue> SourceTextModule::ResolveExport(JSThread *thread, const JSHandle<SourceTextModule> &module,
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const JSHandle<JSTaggedValue> &exportName,
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CVector<std::pair<JSHandle<SourceTextModule>, JSHandle<JSTaggedValue>>> &resolveSet)
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{
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// 1. Let module be this Source Text Module Record.
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// 2. For each Record { [[Module]], [[ExportName]] } r in resolveSet, do
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auto globalConstants = thread->GlobalConstants();
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for (auto rr : resolveSet) {
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// a. If module and r.[[Module]] are the same Module Record and
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// SameValue(exportName, r.[[ExportName]]) is true, then
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if (JSTaggedValue::SameValue(rr.first.GetTaggedValue(), module.GetTaggedValue()) &&
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JSTaggedValue::SameValue(rr.second, exportName)) {
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// i. Assert: This is a circular import request.
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// ii. Return null.
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return globalConstants->GetHandledNull();
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}
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}
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// 3. Append the Record { [[Module]]: module, [[ExportName]]: exportName } to resolveSet.
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resolveSet.emplace_back(std::make_pair(module, exportName));
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// 4. For each ExportEntry Record e in module.[[LocalExportEntries]], do
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JSTaggedValue localExportEntriesTv = module->GetLocalExportEntries();
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if (!localExportEntriesTv.IsUndefined()) {
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JSHandle<TaggedArray> localExportEntries(thread, localExportEntriesTv);
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size_t localExportEntriesLen = localExportEntries->GetLength();
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JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
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JSMutableHandle<JSTaggedValue> localName(thread, globalConstants->GetUndefined());
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for (size_t idx = 0; idx < localExportEntriesLen; idx++) {
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ee.Update(localExportEntries->Get(idx));
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// a. If SameValue(exportName, e.[[ExportName]]) is true, then
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if (JSTaggedValue::SameValue(ee->GetExportName(), exportName.GetTaggedValue())) {
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// i. Assert: module provides the direct binding for this export.
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// ii. Return ResolvedBinding Record { [[Module]]: module, [[BindingName]]: e.[[LocalName]] }.
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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localName.Update(ee->GetLocalName());
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return JSHandle<JSTaggedValue>::Cast(factory->NewResolvedBindingRecord(module, localName));
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}
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}
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}
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// 5. For each ExportEntry Record e in module.[[IndirectExportEntries]], do
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JSTaggedValue indirectExportEntriesTv = module->GetIndirectExportEntries();
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if (!indirectExportEntriesTv.IsUndefined()) {
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JSHandle<TaggedArray> indirectExportEntries(thread, indirectExportEntriesTv);
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size_t indirectExportEntriesLen = indirectExportEntries->GetLength();
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JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
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JSMutableHandle<JSTaggedValue> moduleRequest(thread, globalConstants->GetUndefined());
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JSMutableHandle<JSTaggedValue> importName(thread, globalConstants->GetUndefined());
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for (size_t idx = 0; idx < indirectExportEntriesLen; idx++) {
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ee.Update(indirectExportEntries->Get(idx));
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// a. If SameValue(exportName, e.[[ExportName]]) is true, then
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if (JSTaggedValue::SameValue(exportName.GetTaggedValue(), ee->GetExportName())) {
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// i. Assert: module imports a specific binding for this export.
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// ii. Let importedModule be ? HostResolveImportedModule(module, e.[[ModuleRequest]]).
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moduleRequest.Update(ee->GetModuleRequest());
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JSHandle<SourceTextModule> requestedModule =
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SourceTextModule::HostResolveImportedModule(thread, module, moduleRequest);
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSTaggedValue, thread);
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// iii. Return importedModule.ResolveExport(e.[[ImportName]], resolveSet).
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importName.Update(ee->GetImportName());
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return SourceTextModule::ResolveExport(thread, requestedModule, importName, resolveSet);
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}
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}
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}
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// 6. If SameValue(exportName, "default") is true, then
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JSHandle<JSTaggedValue> defaultString = globalConstants->GetHandledDefaultString();
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if (JSTaggedValue::SameValue(exportName, defaultString)) {
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// a. Assert: A default export was not explicitly defined by this module.
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// b. Return null.
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// c. NOTE: A default export cannot be provided by an export *.
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return globalConstants->GetHandledNull();
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}
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// 7. Let starResolution be null.
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JSMutableHandle<JSTaggedValue> starResolution(thread, globalConstants->GetNull());
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// 8. For each ExportEntry Record e in module.[[StarExportEntries]], do
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JSTaggedValue starExportEntriesTv = module->GetStarExportEntries();
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if (starExportEntriesTv.IsUndefined()) {
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return starResolution;
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}
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JSHandle<TaggedArray> starExportEntries(thread, starExportEntriesTv);
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size_t starExportEntriesLen = starExportEntries->GetLength();
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JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
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JSMutableHandle<JSTaggedValue> moduleRequest(thread, globalConstants->GetUndefined());
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for (size_t idx = 0; idx < starExportEntriesLen; idx++) {
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ee.Update(starExportEntries->Get(idx));
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// a. Let importedModule be ? HostResolveImportedModule(module, e.[[ModuleRequest]]).
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moduleRequest.Update(ee->GetModuleRequest());
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JSHandle<SourceTextModule> importedModule =
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SourceTextModule::HostResolveImportedModule(thread, module, moduleRequest);
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSTaggedValue, thread);
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// b. Let resolution be ? importedModule.ResolveExport(exportName, resolveSet).
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JSHandle<JSTaggedValue> resolution =
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SourceTextModule::ResolveExport(thread, importedModule, exportName, resolveSet);
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSTaggedValue, thread);
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// c. If resolution is "ambiguous", return "ambiguous".
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if (resolution->IsString()) { // if resolution is string, resolution must be "ambiguous"
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return globalConstants->GetHandledAmbiguousString();
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}
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// d. If resolution is not null, then
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if (resolution->IsNull()) {
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continue;
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}
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// i. Assert: resolution is a ResolvedBinding Record.
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ASSERT(resolution->IsResolvedBinding());
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// ii. If starResolution is null, set starResolution to resolution.
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if (starResolution->IsNull()) {
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starResolution.Update(resolution.GetTaggedValue());
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} else {
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// 1. Assert: There is more than one * import that includes the requested name.
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// 2. If resolution.[[Module]] and starResolution.[[Module]] are not the same Module Record or
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// SameValue(
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// resolution.[[BindingName]], starResolution.[[BindingName]]) is false, return "ambiguous".
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JSHandle<ResolvedBinding> resolutionBd = JSHandle<ResolvedBinding>::Cast(resolution);
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JSHandle<ResolvedBinding> starResolutionBd = JSHandle<ResolvedBinding>::Cast(starResolution);
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if ((!JSTaggedValue::SameValue(resolutionBd->GetModule(), starResolutionBd->GetModule())) ||
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(!JSTaggedValue::SameValue(
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resolutionBd->GetBindingName(), starResolutionBd->GetBindingName()))) {
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return globalConstants->GetHandledAmbiguousString();
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}
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}
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}
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// 9. Return starResolution.
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return starResolution;
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}
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int SourceTextModule::Instantiate(JSThread *thread, const JSHandle<SourceTextModule> &module)
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{
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// 1. Let module be this Source Text Module Record.
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// 2. Assert: module.[[Status]] is not "instantiating" or "evaluating".
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ModuleStatus status = module->GetStatus();
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ASSERT(status != ModuleStatus::INSTANTIATING && status != ModuleStatus::EVALUATING);
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// 3. Let stack be a new empty List.
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CVector<JSHandle<SourceTextModule>> stack;
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// 4. Let result be InnerModuleInstantiation(module, stack, 0).
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JSHandle<ModuleRecord> moduleRecord = JSHandle<ModuleRecord>::Cast(module);
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int result = SourceTextModule::InnerModuleInstantiation(thread, moduleRecord, stack, 0);
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// 5. If result is an abrupt completion, then
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if (thread->HasPendingException()) {
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// a. For each module m in stack, do
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for (auto mm : stack) {
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// i. Assert: m.[[Status]] is "instantiating".
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[[maybe_unused]] ModuleStatus mmStatus = mm->GetStatus();
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ASSERT(mmStatus == ModuleStatus::INSTANTIATING);
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// ii. Set m.[[Status]] to "uninstantiated".
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mm->SetStatus(ModuleStatus::UNINSTANTIATED);
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// iii. Set m.[[Environment]] to undefined.
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// iv. Set m.[[DFSIndex]] to undefined.
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mm->SetDFSIndex(SourceTextModule::UNDEFINED_INDEX);
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// v. Set m.[[DFSAncestorIndex]] to undefined.
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mm->SetDFSAncestorIndex(SourceTextModule::UNDEFINED_INDEX);
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}
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// b. Assert: module.[[Status]] is "uninstantiated".
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status = module->GetStatus();
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ASSERT(status == ModuleStatus::UNINSTANTIATED);
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// c. return result
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return result;
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}
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// 6. Assert: module.[[Status]] is "instantiated" or "evaluated".
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status = module->GetStatus();
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ASSERT(status == ModuleStatus::INSTANTIATED || status == ModuleStatus::EVALUATED);
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// 7. Assert: stack is empty.
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ASSERT(stack.empty());
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// 8. Return undefined.
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return SourceTextModule::UNDEFINED_INDEX;
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}
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int SourceTextModule::InnerModuleInstantiation(JSThread *thread, const JSHandle<ModuleRecord> &moduleRecord,
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CVector<JSHandle<SourceTextModule>> &stack, int index)
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{
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// 1. If module is not a Source Text Module Record, then
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if (!moduleRecord.GetTaggedValue().IsSourceTextModule()) {
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// a. Perform ? module.Instantiate().
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ModuleRecord::Instantiate(thread, JSHandle<JSTaggedValue>::Cast(moduleRecord));
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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, index);
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// b. Return index.
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return index;
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}
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JSHandle<SourceTextModule> module = JSHandle<SourceTextModule>::Cast(moduleRecord);
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// 2. If module.[[Status]] is "instantiating", "instantiated", or "evaluated", then Return index.
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ModuleStatus status = module->GetStatus();
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if (status == ModuleStatus::INSTANTIATING ||
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status == ModuleStatus::INSTANTIATED ||
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status == ModuleStatus::EVALUATED) {
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return index;
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}
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// 3. Assert: module.[[Status]] is "uninstantiated".
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ASSERT(status == ModuleStatus::UNINSTANTIATED);
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// 4. Set module.[[Status]] to "instantiating".
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module->SetStatus(ModuleStatus::INSTANTIATING);
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// 5. Set module.[[DFSIndex]] to index.
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module->SetDFSIndex(index);
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// 6. Set module.[[DFSAncestorIndex]] to index.
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module->SetDFSAncestorIndex(index);
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// 7. Set index to index + 1.
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index++;
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// 8. Append module to stack.
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stack.emplace_back(module);
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// 9. For each String required that is an element of module.[[RequestedModules]], do
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JSHandle<TaggedArray> requestedModules(thread, module->GetRequestedModules());
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size_t requestedModulesLen = requestedModules->GetLength();
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JSMutableHandle<JSTaggedValue> required(thread, thread->GlobalConstants()->GetUndefined());
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for (size_t idx = 0; idx < requestedModulesLen; idx++) {
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required.Update(requestedModules->Get(idx));
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// a. Let requiredModule be ? HostResolveImportedModule(module, required).
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JSHandle<SourceTextModule> requiredModule =
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SourceTextModule::HostResolveImportedModule(thread, module, required);
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// b. Set index to ? InnerModuleInstantiation(requiredModule, stack, index).
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JSHandle<ModuleRecord> requiredModuleRecord = JSHandle<ModuleRecord>::Cast(requiredModule);
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index = SourceTextModule::InnerModuleInstantiation(thread, requiredModuleRecord, stack, index);
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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, index);
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// c. Assert: requiredModule.[[Status]] is either "instantiating", "instantiated", or "evaluated".
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ModuleStatus requiredModuleStatus = requiredModule->GetStatus();
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ASSERT((requiredModuleStatus == ModuleStatus::INSTANTIATING ||
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requiredModuleStatus == ModuleStatus::INSTANTIATED || requiredModuleStatus == ModuleStatus::EVALUATED));
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// d. Assert: requiredModule.[[Status]] is "instantiating" if and only if requiredModule is in stack.
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// e. If requiredModule.[[Status]] is "instantiating", then
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if (requiredModuleStatus == ModuleStatus::INSTANTIATING) {
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// d. Assert: requiredModule.[[Status]] is "instantiating" if and only if requiredModule is in stack.
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ASSERT(std::find(stack.begin(), stack.end(), requiredModule) != stack.end());
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// i. Assert: requiredModule is a Source Text Module Record.
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// ii. Set module.[[DFSAncestorIndex]] to min(
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// module.[[DFSAncestorIndex]], requiredModule.[[DFSAncestorIndex]]).
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int dfsAncIdx = std::min(module->GetDFSAncestorIndex(), requiredModule->GetDFSAncestorIndex());
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module->SetDFSAncestorIndex(dfsAncIdx);
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}
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}
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// 10. Perform ? ModuleDeclarationEnvironmentSetup(module).
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SourceTextModule::ModuleDeclarationEnvironmentSetup(thread, module);
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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, index);
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// 11. Assert: module occurs exactly once in stack.
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// 12. Assert: module.[[DFSAncestorIndex]] is less than or equal to module.[[DFSIndex]].
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int dfsAncIdx = module->GetDFSAncestorIndex();
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int dfsIdx = module->GetDFSIndex();
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ASSERT(dfsAncIdx <= dfsIdx);
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// 13. If module.[[DFSAncestorIndex]] equals module.[[DFSIndex]], then
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if (dfsAncIdx == dfsIdx) {
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// a. Let done be false.
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bool done = false;
|
|
// b. Repeat, while done is false,
|
|
while (!done) {
|
|
// i. Let requiredModule be the last element in stack.
|
|
JSHandle<SourceTextModule> requiredModule = stack.back();
|
|
// ii. Remove the last element of stack.
|
|
stack.pop_back();
|
|
// iii. Set requiredModule.[[Status]] to "instantiated".
|
|
requiredModule->SetStatus(ModuleStatus::INSTANTIATED);
|
|
// iv. If requiredModule and module are the same Module Record, set done to true.
|
|
if (JSTaggedValue::SameValue(module.GetTaggedValue(), requiredModule.GetTaggedValue())) {
|
|
done = true;
|
|
}
|
|
}
|
|
}
|
|
return index;
|
|
}
|
|
|
|
void SourceTextModule::ModuleDeclarationEnvironmentSetup(JSThread *thread,
|
|
const JSHandle<SourceTextModule> &module)
|
|
{
|
|
auto globalConstants = thread->GlobalConstants();
|
|
// 1. For each ExportEntry Record e in module.[[IndirectExportEntries]], do
|
|
JSTaggedValue indirectExportEntriesTv = module->GetIndirectExportEntries();
|
|
if (!indirectExportEntriesTv.IsUndefined()) {
|
|
JSHandle<TaggedArray> indirectExportEntries(thread, indirectExportEntriesTv);
|
|
size_t indirectExportEntriesLen = indirectExportEntries->GetLength();
|
|
JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
|
|
JSMutableHandle<JSTaggedValue> exportName(thread, globalConstants->GetUndefined());
|
|
for (size_t idx = 0; idx < indirectExportEntriesLen; idx++) {
|
|
ee.Update(indirectExportEntries->Get(idx));
|
|
// a. Let resolution be ? module.ResolveExport(e.[[ExportName]], « »).
|
|
exportName.Update(ee->GetExportName());
|
|
CVector<std::pair<JSHandle<SourceTextModule>, JSHandle<JSTaggedValue>>> resolveSet;
|
|
JSHandle<JSTaggedValue> resolution =
|
|
SourceTextModule::ResolveExport(thread, module, exportName, resolveSet);
|
|
// b. If resolution is null or "ambiguous", throw a SyntaxError exception.
|
|
if (resolution->IsNull() || resolution->IsString()) {
|
|
THROW_ERROR(thread, ErrorType::SYNTAX_ERROR, "");
|
|
}
|
|
// c. Assert: resolution is a ResolvedBinding Record.
|
|
ASSERT(resolution->IsResolvedBinding());
|
|
}
|
|
}
|
|
|
|
// 2. Assert: All named exports from module are resolvable.
|
|
// 3. Let realm be module.[[Realm]].
|
|
// 4. Assert: realm is not undefined.
|
|
// 5. Let env be NewModuleEnvironment(realm.[[GlobalEnv]]).
|
|
JSHandle<LinkedHashMap> map = LinkedHashMap::Create(thread);
|
|
// 6. Set module.[[Environment]] to env.
|
|
module->SetEnvironment(thread, map);
|
|
// 7. Let envRec be env's EnvironmentRecord.
|
|
JSMutableHandle<JSTaggedValue> envRec(thread, module->GetEnvironment());
|
|
ASSERT(!envRec->IsUndefined());
|
|
// 8. For each ImportEntry Record in in module.[[ImportEntries]], do
|
|
JSTaggedValue importEntriesTv = module->GetImportEntries();
|
|
if (importEntriesTv.IsUndefined()) {
|
|
module->SetEnvironment(thread, envRec);
|
|
return;
|
|
}
|
|
JSHandle<TaggedArray> importEntries(thread, importEntriesTv);
|
|
size_t importEntriesLen = importEntries->GetLength();
|
|
JSMutableHandle<ImportEntry> in(thread, globalConstants->GetUndefined());
|
|
JSMutableHandle<JSTaggedValue> moduleRequest(thread, globalConstants->GetUndefined());
|
|
JSMutableHandle<JSTaggedValue> importName(thread, globalConstants->GetUndefined());
|
|
JSMutableHandle<JSTaggedValue> localName(thread, globalConstants->GetUndefined());
|
|
for (size_t idx = 0; idx < importEntriesLen; idx++) {
|
|
in.Update(importEntries->Get(idx));
|
|
// a. Let importedModule be ! HostResolveImportedModule(module, in.[[ModuleRequest]]).
|
|
moduleRequest.Update(in->GetModuleRequest());
|
|
JSHandle<SourceTextModule> importedModule =
|
|
SourceTextModule::HostResolveImportedModule(thread, module, moduleRequest);
|
|
// c. If in.[[ImportName]] is "*", then
|
|
importName.Update(in->GetImportName());
|
|
JSHandle<JSTaggedValue> starString = globalConstants->GetHandledStarString();
|
|
if (JSTaggedValue::SameValue(importName, starString)) {
|
|
// i. Let namespace be ? GetModuleNamespace(importedModule).
|
|
JSHandle<JSTaggedValue> moduleNamespace = SourceTextModule::GetModuleNamespace(thread, importedModule);
|
|
// ii. Perform ! envRec.CreateImmutableBinding(in.[[LocalName]], true).
|
|
// iii. Call envRec.InitializeBinding(in.[[LocalName]], namespace).
|
|
JSHandle<LinkedHashMap> mapHandle = JSHandle<LinkedHashMap>::Cast(envRec);
|
|
localName.Update(in->GetLocalName());
|
|
JSHandle<LinkedHashMap> newMap = LinkedHashMap::Set(thread, mapHandle, localName, moduleNamespace);
|
|
envRec.Update(newMap);
|
|
} else {
|
|
// i. Let resolution be ? importedModule.ResolveExport(in.[[ImportName]], « »).
|
|
CVector<std::pair<JSHandle<SourceTextModule>, JSHandle<JSTaggedValue>>> resolveSet;
|
|
JSHandle<JSTaggedValue> resolution =
|
|
SourceTextModule::ResolveExport(thread, importedModule, importName, resolveSet);
|
|
// ii. If resolution is null or "ambiguous", throw a SyntaxError exception.
|
|
if (resolution->IsNull() || resolution->IsString()) {
|
|
THROW_ERROR(thread, ErrorType::SYNTAX_ERROR, "");
|
|
}
|
|
// iii. Call envRec.CreateImportBinding(
|
|
// in.[[LocalName]], resolution.[[Module]], resolution.[[BindingName]]).
|
|
JSHandle<LinkedHashMap> mapHandle = JSHandle<LinkedHashMap>::Cast(envRec);
|
|
localName.Update(in->GetLocalName());
|
|
JSHandle<LinkedHashMap> newMap = LinkedHashMap::Set(thread, mapHandle, localName, resolution);
|
|
envRec.Update(newMap);
|
|
}
|
|
}
|
|
module->SetEnvironment(thread, envRec);
|
|
}
|
|
|
|
JSHandle<JSTaggedValue> SourceTextModule::GetModuleNamespace(JSThread *thread,
|
|
const JSHandle<SourceTextModule> &module)
|
|
{
|
|
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
|
|
// 1. Assert: module is an instance of a concrete subclass of Module Record.
|
|
// 2. Assert: module.[[Status]] is not "uninstantiated".
|
|
ModuleStatus status = module->GetStatus();
|
|
ASSERT(status != ModuleStatus::UNINSTANTIATED);
|
|
// 3. Assert: If module.[[Status]] is "evaluated", module.[[EvaluationError]] is undefined.
|
|
if (status == ModuleStatus::EVALUATED) {
|
|
ASSERT(module->GetEvaluationError() == SourceTextModule::UNDEFINED_INDEX);
|
|
}
|
|
// 4. Let namespace be module.[[Namespace]].
|
|
JSMutableHandle<JSTaggedValue> moduleNamespace(thread, module->GetNamespace());
|
|
// If namespace is undefined, then
|
|
if (moduleNamespace->IsUndefined()) {
|
|
// a. Let exportedNames be ? module.GetExportedNames(« »).
|
|
JSHandle<TaggedArray> exportStarSet = factory->EmptyArray();
|
|
CVector<std::string> exportedNames = SourceTextModule::GetExportedNames(thread, module, exportStarSet);
|
|
// b. Let unambiguousNames be a new empty List.
|
|
JSHandle<TaggedArray> unambiguousNames = factory->NewTaggedArray(exportedNames.size());
|
|
// c. For each name that is an element of exportedNames, do
|
|
size_t idx = 0;
|
|
for (std::string &name : exportedNames) {
|
|
// i. Let resolution be ? module.ResolveExport(name, « »).
|
|
CVector<std::pair<JSHandle<SourceTextModule>, JSHandle<JSTaggedValue>>> resolveSet;
|
|
JSHandle<JSTaggedValue> nameHandle = JSHandle<JSTaggedValue>::Cast(factory->NewFromStdString(name));
|
|
JSHandle<JSTaggedValue> resolution =
|
|
SourceTextModule::ResolveExport(thread, module, nameHandle, resolveSet);
|
|
// ii. If resolution is a ResolvedBinding Record, append name to unambiguousNames.
|
|
if (resolution->IsResolvedBinding()) {
|
|
unambiguousNames->Set(thread, idx, nameHandle);
|
|
idx++;
|
|
}
|
|
}
|
|
JSHandle<TaggedArray> fixUnambiguousNames = TaggedArray::SetCapacity(thread, unambiguousNames, idx);
|
|
JSHandle<JSTaggedValue> moduleTagged = JSHandle<JSTaggedValue>::Cast(module);
|
|
JSHandle<ModuleNamespace> np =
|
|
ModuleNamespace::ModuleNamespaceCreate(thread, moduleTagged, fixUnambiguousNames);
|
|
moduleNamespace.Update(np.GetTaggedValue());
|
|
}
|
|
return moduleNamespace;
|
|
}
|
|
|
|
int SourceTextModule::Evaluate(JSThread *thread, const JSHandle<SourceTextModule> &module)
|
|
{
|
|
// 1. Let module be this Source Text Module Record.
|
|
// 2. Assert: module.[[Status]] is "instantiated" or "evaluated".
|
|
ModuleStatus status = module->GetStatus();
|
|
ASSERT((status == ModuleStatus::INSTANTIATED || status == ModuleStatus::EVALUATED));
|
|
// 3. Let stack be a new empty List.
|
|
CVector<JSHandle<SourceTextModule>> stack;
|
|
// 4. Let result be InnerModuleEvaluation(module, stack, 0)
|
|
JSHandle<ModuleRecord> moduleRecord = JSHandle<ModuleRecord>::Cast(module);
|
|
int result = SourceTextModule::InnerModuleEvaluation(thread, moduleRecord, stack, 0);
|
|
// 5. If result is an abrupt completion, then
|
|
if (thread->HasPendingException()) {
|
|
// a. For each module m in stack, do
|
|
for (auto mm : stack) {
|
|
// i. Assert: m.[[Status]] is "evaluating".
|
|
[[maybe_unused]] ModuleStatus mmStatus = mm->GetStatus();
|
|
ASSERT(mmStatus == ModuleStatus::EVALUATING);
|
|
// ii. Set m.[[Status]] to "evaluated".
|
|
mm->SetStatus(ModuleStatus::EVALUATED);
|
|
// iii. Set m.[[EvaluationError]] to result.
|
|
mm->SetEvaluationError(result);
|
|
}
|
|
// b. Assert: module.[[Status]] is "evaluated" and module.[[EvaluationError]] is result.
|
|
status = module->GetStatus();
|
|
ASSERT(status == ModuleStatus::EVALUATED && module->GetEvaluationError() == result);
|
|
// c. return result
|
|
return result;
|
|
}
|
|
// 6. Assert: module.[[Status]] is "evaluated" and module.[[EvaluationError]] is undefined.
|
|
status = module->GetStatus();
|
|
ASSERT(status == ModuleStatus::EVALUATED && module->GetEvaluationError() == SourceTextModule::UNDEFINED_INDEX);
|
|
// 7. Assert: stack is empty.
|
|
ASSERT(stack.empty());
|
|
// 8. Return undefined.
|
|
return SourceTextModule::UNDEFINED_INDEX;
|
|
}
|
|
|
|
int SourceTextModule::InnerModuleEvaluation(JSThread *thread, const JSHandle<ModuleRecord> &moduleRecord,
|
|
CVector<JSHandle<SourceTextModule>> &stack, int index)
|
|
{
|
|
// 1. If module is not a Source Text Module Record, then
|
|
if (!moduleRecord.GetTaggedValue().IsSourceTextModule()) {
|
|
// a. Perform ? module.Instantiate().
|
|
ModuleRecord::Instantiate(thread, JSHandle<JSTaggedValue>::Cast(moduleRecord));
|
|
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, index);
|
|
// b. Return index.
|
|
return index;
|
|
}
|
|
JSHandle<SourceTextModule> module = JSHandle<SourceTextModule>::Cast(moduleRecord);
|
|
// 2.If module.[[Status]] is "evaluated", then
|
|
ModuleStatus status = module->GetStatus();
|
|
if (status == ModuleStatus::EVALUATED) {
|
|
// a. If module.[[EvaluationError]] is undefined, return index.
|
|
if (module->GetEvaluationError() == SourceTextModule::UNDEFINED_INDEX) {
|
|
return index;
|
|
}
|
|
// Otherwise return module.[[EvaluationError]].
|
|
return module->GetEvaluationError();
|
|
}
|
|
// 3. If module.[[Status]] is "evaluating", return index.
|
|
if (status == ModuleStatus::EVALUATING) {
|
|
return index;
|
|
}
|
|
// 4. Assert: module.[[Status]] is "instantiated".
|
|
ASSERT(status == ModuleStatus::INSTANTIATED);
|
|
// 5. Set module.[[Status]] to "evaluating".
|
|
module->SetStatus(ModuleStatus::EVALUATING);
|
|
// 6. Set module.[[DFSIndex]] to index.
|
|
module->SetDFSIndex(index);
|
|
// 7. Set module.[[DFSAncestorIndex]] to index.
|
|
module->SetDFSAncestorIndex(index);
|
|
// 8. Set index to index + 1.
|
|
index++;
|
|
// 9. Append module to stack.
|
|
stack.emplace_back(module);
|
|
// 10. For each String required that is an element of module.[[RequestedModules]], do
|
|
JSHandle<TaggedArray> requestedModules(thread, module->GetRequestedModules());
|
|
size_t requestedModulesLen = requestedModules->GetLength();
|
|
JSMutableHandle<JSTaggedValue> required(thread, thread->GlobalConstants()->GetUndefined());
|
|
for (size_t idx = 0; idx < requestedModulesLen; idx++) {
|
|
required.Update(requestedModules->Get(idx));
|
|
// a. Let requiredModule be ! HostResolveImportedModule(module, required).
|
|
JSHandle<SourceTextModule> requiredModule =
|
|
SourceTextModule::HostResolveImportedModule(thread, module, required);
|
|
// c. Set index to ? InnerModuleEvaluation(requiredModule, stack, index).
|
|
JSHandle<ModuleRecord> requiredModuleRecord = JSHandle<ModuleRecord>::Cast(requiredModule);
|
|
index = SourceTextModule::InnerModuleEvaluation(thread, requiredModuleRecord, stack, index);
|
|
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, index);
|
|
// d. Assert: requiredModule.[[Status]] is either "evaluating" or "evaluated".
|
|
ModuleStatus requiredModuleStatus = requiredModule->GetStatus();
|
|
ASSERT((requiredModuleStatus == ModuleStatus::EVALUATING || requiredModuleStatus == ModuleStatus::EVALUATED));
|
|
// e. Assert: requiredModule.[[Status]] is "evaluating" if and only if requiredModule is in stack.
|
|
if (requiredModuleStatus == ModuleStatus::EVALUATING) {
|
|
ASSERT(std::find(stack.begin(), stack.end(), requiredModule) != stack.end());
|
|
}
|
|
// f. If requiredModule.[[Status]] is "evaluating", then
|
|
if (requiredModuleStatus == ModuleStatus::EVALUATING) {
|
|
// i. Assert: requiredModule is a Source Text Module Record.
|
|
// ii. Set module.[[DFSAncestorIndex]] to min(
|
|
// module.[[DFSAncestorIndex]], requiredModule.[[DFSAncestorIndex]]).
|
|
int dfsAncIdx = std::min(module->GetDFSAncestorIndex(), requiredModule->GetDFSAncestorIndex());
|
|
module->SetDFSAncestorIndex(dfsAncIdx);
|
|
}
|
|
}
|
|
// 11. Perform ? ModuleExecution(module).
|
|
SourceTextModule::ModuleExecution(thread, module);
|
|
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, index);
|
|
// 12. Assert: module occurs exactly once in stack.
|
|
// 13. Assert: module.[[DFSAncestorIndex]] is less than or equal to module.[[DFSIndex]].
|
|
int dfsAncIdx = module->GetDFSAncestorIndex();
|
|
int dfsIdx = module->GetDFSIndex();
|
|
ASSERT(dfsAncIdx <= dfsIdx);
|
|
// 14. If module.[[DFSAncestorIndex]] equals module.[[DFSIndex]], then
|
|
if (dfsAncIdx == dfsIdx) {
|
|
// a. Let done be false.
|
|
bool done = false;
|
|
// b. Repeat, while done is false,
|
|
while (!done) {
|
|
// i. Let requiredModule be the last element in stack.
|
|
JSHandle<SourceTextModule> requiredModule = stack.back();
|
|
// ii. Remove the last element of stack.
|
|
stack.pop_back();
|
|
// iii. Set requiredModule.[[Status]] to "evaluated".
|
|
requiredModule->SetStatus(ModuleStatus::EVALUATED);
|
|
// iv. If requiredModule and module are the same Module Record, set done to true.
|
|
if (JSTaggedValue::SameValue(module.GetTaggedValue(), requiredModule.GetTaggedValue())) {
|
|
done = true;
|
|
}
|
|
}
|
|
}
|
|
return index;
|
|
}
|
|
|
|
void SourceTextModule::ModuleExecution(JSThread *thread, const JSHandle<SourceTextModule> &module)
|
|
{
|
|
JSTaggedValue moduleFileName = module->GetEcmaModuleFilename();
|
|
ASSERT(moduleFileName.IsString());
|
|
CString moduleFilenameStr = ConvertToString(EcmaString::Cast(moduleFileName.GetHeapObject()));
|
|
const JSPandaFile *jsPandaFile = JSPandaFileManager::GetInstance()->LoadJSPandaFile(moduleFilenameStr);
|
|
if (jsPandaFile == nullptr) {
|
|
LOG_ECMA(ERROR) << "open jsPandaFile " << moduleFilenameStr << " error";
|
|
UNREACHABLE();
|
|
}
|
|
std::vector<std::string> argv;
|
|
JSPandaFileExecutor::Execute(thread, jsPandaFile, ENTRY_MAIN_FUNCTION, argv);
|
|
}
|
|
|
|
void SourceTextModule::AddImportEntry(JSThread *thread, const JSHandle<SourceTextModule> &module,
|
|
const JSHandle<ImportEntry> &importEntry)
|
|
{
|
|
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
|
|
JSTaggedValue importEntries = module->GetImportEntries();
|
|
if (importEntries.IsUndefined()) {
|
|
JSHandle<TaggedArray> array = factory->NewTaggedArray(1);
|
|
array->Set(thread, 0, importEntry.GetTaggedValue());
|
|
module->SetImportEntries(thread, array);
|
|
} else {
|
|
JSHandle<TaggedArray> entries(thread, importEntries);
|
|
size_t len = entries->GetLength();
|
|
JSHandle<TaggedArray> newEntries = TaggedArray::SetCapacity(thread, entries, len + 1);
|
|
newEntries->Set(thread, len, importEntry.GetTaggedValue());
|
|
module->SetImportEntries(thread, newEntries);
|
|
}
|
|
}
|
|
|
|
void SourceTextModule::AddLocalExportEntry(JSThread *thread, const JSHandle<SourceTextModule> &module,
|
|
const JSHandle<ExportEntry> &exportEntry)
|
|
{
|
|
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
|
|
JSTaggedValue localExportEntries = module->GetLocalExportEntries();
|
|
if (localExportEntries.IsUndefined()) {
|
|
JSHandle<TaggedArray> array = factory->NewTaggedArray(1);
|
|
array->Set(thread, 0, exportEntry.GetTaggedValue());
|
|
module->SetLocalExportEntries(thread, array);
|
|
} else {
|
|
JSHandle<TaggedArray> entries(thread, localExportEntries);
|
|
size_t len = entries->GetLength();
|
|
JSHandle<TaggedArray> newEntries = TaggedArray::SetCapacity(thread, entries, len + 1);
|
|
newEntries->Set(thread, len, exportEntry.GetTaggedValue());
|
|
module->SetLocalExportEntries(thread, newEntries);
|
|
}
|
|
}
|
|
|
|
void SourceTextModule::AddIndirectExportEntry(JSThread *thread, const JSHandle<SourceTextModule> &module,
|
|
const JSHandle<ExportEntry> &exportEntry)
|
|
{
|
|
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
|
|
JSTaggedValue indirectExportEntries = module->GetIndirectExportEntries();
|
|
if (indirectExportEntries.IsUndefined()) {
|
|
JSHandle<TaggedArray> array = factory->NewTaggedArray(1);
|
|
array->Set(thread, 0, exportEntry.GetTaggedValue());
|
|
module->SetIndirectExportEntries(thread, array);
|
|
} else {
|
|
JSHandle<TaggedArray> entries(thread, indirectExportEntries);
|
|
size_t len = entries->GetLength();
|
|
JSHandle<TaggedArray> newEntries = TaggedArray::SetCapacity(thread, entries, len + 1);
|
|
newEntries->Set(thread, len, exportEntry.GetTaggedValue());
|
|
module->SetIndirectExportEntries(thread, newEntries);
|
|
}
|
|
}
|
|
|
|
void SourceTextModule::AddStarExportEntry(JSThread *thread, const JSHandle<SourceTextModule> &module,
|
|
const JSHandle<ExportEntry> &exportEntry)
|
|
{
|
|
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
|
|
JSTaggedValue starExportEntries = module->GetStarExportEntries();
|
|
if (starExportEntries.IsUndefined()) {
|
|
JSHandle<TaggedArray> array = factory->NewTaggedArray(1);
|
|
array->Set(thread, 0, exportEntry.GetTaggedValue());
|
|
module->SetStarExportEntries(thread, array);
|
|
} else {
|
|
JSHandle<TaggedArray> entries(thread, starExportEntries);
|
|
size_t len = entries->GetLength();
|
|
JSHandle<TaggedArray> newEntries = TaggedArray::SetCapacity(thread, entries, len + 1);
|
|
newEntries->Set(thread, len, exportEntry.GetTaggedValue());
|
|
module->SetStarExportEntries(thread, newEntries);
|
|
}
|
|
}
|
|
|
|
JSTaggedValue SourceTextModule::GetModuleValue(JSThread *thread, JSTaggedValue key, bool isThrow)
|
|
{
|
|
JSTaggedValue dictionary = GetNameDictionary();
|
|
if (dictionary.IsUndefined()) {
|
|
if (isThrow) {
|
|
THROW_REFERENCE_ERROR_AND_RETURN(thread, "module environment is undefined", JSTaggedValue::Exception());
|
|
}
|
|
return JSTaggedValue::Hole();
|
|
}
|
|
|
|
NameDictionary *dict = NameDictionary::Cast(dictionary.GetTaggedObject());
|
|
int entry = dict->FindEntry(key);
|
|
if (entry != -1) {
|
|
return dict->GetValue(entry);
|
|
}
|
|
|
|
JSTaggedValue importEntriesTv = GetImportEntries();
|
|
if (!importEntriesTv.IsUndefined()) {
|
|
TaggedArray *importEntries = TaggedArray::Cast(importEntriesTv.GetTaggedObject());
|
|
size_t importEntriesLen = importEntries->GetLength();
|
|
for (size_t idx = 0; idx < importEntriesLen; idx++) {
|
|
ImportEntry *ee = ImportEntry::Cast(importEntries->Get(idx).GetTaggedObject());
|
|
if (!JSTaggedValue::SameValue(ee->GetLocalName(), key)) {
|
|
continue;
|
|
}
|
|
JSTaggedValue importName = ee->GetImportName();
|
|
entry = dict->FindEntry(importName);
|
|
if (entry != -1) {
|
|
return dict->GetValue(entry);
|
|
}
|
|
}
|
|
}
|
|
|
|
JSTaggedValue exportEntriesTv = GetLocalExportEntries();
|
|
if (!exportEntriesTv.IsUndefined()) {
|
|
TaggedArray *exportEntries = TaggedArray::Cast(exportEntriesTv.GetTaggedObject());
|
|
size_t exportEntriesLen = exportEntries->GetLength();
|
|
for (size_t idx = 0; idx < exportEntriesLen; idx++) {
|
|
ExportEntry *ee = ExportEntry::Cast(exportEntries->Get(idx).GetTaggedObject());
|
|
if (!JSTaggedValue::SameValue(ee->GetLocalName(), key)) {
|
|
continue;
|
|
}
|
|
JSTaggedValue exportName = ee->GetExportName();
|
|
entry = dict->FindEntry(exportName);
|
|
if (entry != -1) {
|
|
return dict->GetValue(entry);
|
|
}
|
|
}
|
|
}
|
|
|
|
return JSTaggedValue::Hole();
|
|
}
|
|
|
|
void SourceTextModule::StoreModuleValue(JSThread *thread, const JSHandle<JSTaggedValue> &key,
|
|
const JSHandle<JSTaggedValue> &value)
|
|
{
|
|
JSHandle<SourceTextModule> module(thread, this);
|
|
JSMutableHandle<JSTaggedValue> data(thread, module->GetNameDictionary());
|
|
if (data->IsUndefined()) {
|
|
data.Update(NameDictionary::Create(thread, DEAULT_DICTIONART_CAPACITY));
|
|
}
|
|
|
|
JSMutableHandle<NameDictionary> dataDict(data);
|
|
JSTaggedValue localExportEntriesTv = module->GetLocalExportEntries();
|
|
auto globalConstants = thread->GlobalConstants();
|
|
if (!localExportEntriesTv.IsUndefined()) {
|
|
JSHandle<TaggedArray> localExportEntries(thread, localExportEntriesTv);
|
|
size_t localExportEntriesLen = localExportEntries->GetLength();
|
|
JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
|
|
JSMutableHandle<JSTaggedValue> exportName(thread, globalConstants->GetUndefined());
|
|
for (size_t idx = 0; idx < localExportEntriesLen; idx++) {
|
|
ee.Update(localExportEntries->Get(idx));
|
|
if (JSTaggedValue::SameValue(ee->GetLocalName(), key.GetTaggedValue())) {
|
|
exportName.Update(ee->GetExportName());
|
|
dataDict.Update(NameDictionary::Put(thread, dataDict, exportName, value,
|
|
PropertyAttributes::Default()));
|
|
}
|
|
}
|
|
}
|
|
JSTaggedValue indirectExportEntriesTv = module->GetIndirectExportEntries();
|
|
if (!indirectExportEntriesTv.IsUndefined()) {
|
|
JSHandle<TaggedArray> indirectExportEntries(thread, indirectExportEntriesTv);
|
|
size_t indirectExportEntriesLen = indirectExportEntries->GetLength();
|
|
JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
|
|
JSMutableHandle<JSTaggedValue> exportName(thread, globalConstants->GetUndefined());
|
|
for (size_t idx = 0; idx < indirectExportEntriesLen; idx++) {
|
|
ee.Update(indirectExportEntries->Get(idx));
|
|
if (JSTaggedValue::SameValue(ee->GetImportName(), key.GetTaggedValue())) {
|
|
exportName.Update(ee->GetExportName());
|
|
dataDict.Update(NameDictionary::Put(thread, dataDict, exportName, value,
|
|
PropertyAttributes::Default()));
|
|
}
|
|
}
|
|
}
|
|
module->SetNameDictionary(thread, dataDict);
|
|
}
|
|
|
|
JSTaggedValue SourceTextModule::FindExportName(JSThread *thread, const JSHandle<JSTaggedValue> &localName)
|
|
{
|
|
JSHandle<SourceTextModule> module(thread, this);
|
|
JSTaggedValue localExportEntriesTv = module->GetLocalExportEntries();
|
|
auto globalConstants = thread->GlobalConstants();
|
|
if (!localExportEntriesTv.IsUndefined()) {
|
|
JSHandle<TaggedArray> localExportEntries(thread, localExportEntriesTv);
|
|
size_t localExportEntriesLen = localExportEntries->GetLength();
|
|
JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
|
|
for (size_t idx = 0; idx < localExportEntriesLen; idx++) {
|
|
ee.Update(localExportEntries->Get(idx));
|
|
if (JSTaggedValue::SameValue(ee->GetLocalName(), localName.GetTaggedValue())) {
|
|
return ee->GetExportName();
|
|
}
|
|
}
|
|
}
|
|
JSTaggedValue indirectExportEntriesTv = module->GetIndirectExportEntries();
|
|
if (!indirectExportEntriesTv.IsUndefined()) {
|
|
JSHandle<TaggedArray> indirectExportEntries(thread, indirectExportEntriesTv);
|
|
size_t indirectExportEntriesLen = indirectExportEntries->GetLength();
|
|
JSMutableHandle<ExportEntry> ee(thread, globalConstants->GetUndefined());
|
|
for (size_t idx = 0; idx < indirectExportEntriesLen; idx++) {
|
|
ee.Update(indirectExportEntries->Get(idx));
|
|
if (JSTaggedValue::SameValue(ee->GetLocalName(), localName.GetTaggedValue())) {
|
|
return ee->GetExportName();
|
|
}
|
|
}
|
|
}
|
|
return globalConstants->GetUndefined();
|
|
}
|
|
} // namespace panda::ecmascript
|