1 /*
2 * Copyright (c) 2022 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/jspandafile/accessor/module_data_accessor.h"
17 #include "ecmascript/base/string_helper.h"
18 #include "ecmascript/builtins/builtins_json.h"
19 #include "ecmascript/ecma_string.h"
20 #include "ecmascript/global_env.h"
21 #include "ecmascript/jspandafile/js_pandafile_manager.h"
22 #include "ecmascript/tagged_array-inl.h"
23 #include "ecmascript/module/js_module_manager.h"
24 #include "ecmascript/module/module_data_extractor.h"
25
26 #include "libpandafile/literal_data_accessor-inl.h"
27
28 namespace panda::ecmascript {
29 using StringData = panda_file::StringData;
30 using BuiltinsJson = builtins::BuiltinsJson;
31 using JSRecordInfo = ecmascript::JSPandaFile::JSRecordInfo;
32
ParseModule(JSThread * thread,const JSPandaFile * jsPandaFile,const CString & descriptor,const CString & moduleFilename)33 JSHandle<JSTaggedValue> ModuleDataExtractor::ParseModule(JSThread *thread, const JSPandaFile *jsPandaFile,
34 const CString &descriptor, const CString &moduleFilename)
35 {
36 int moduleIdx = jsPandaFile->GetModuleRecordIdx(descriptor);
37 ASSERT(moduleIdx != -1);
38
39 panda_file::File::EntityId moduleId;
40 if (jsPandaFile->IsNewVersion()) { // new pandafile version use new literal offset mechanism
41 moduleId = panda_file::File::EntityId(static_cast<uint32_t>(moduleIdx));
42 } else {
43 panda_file::LiteralDataAccessor lda = jsPandaFile->GetLiteralDataAccessor();
44 moduleId = lda.GetLiteralArrayId(static_cast<size_t>(moduleIdx));
45 }
46
47 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
48 JSHandle<SourceTextModule> moduleRecord = factory->NewSourceTextModule();
49 ModuleDataExtractor::ExtractModuleDatas(thread, jsPandaFile, moduleId, moduleRecord);
50
51 JSHandle<EcmaString> ecmaModuleFilename = factory->NewFromUtf8(moduleFilename);
52 moduleRecord->SetEcmaModuleFilename(thread, ecmaModuleFilename);
53
54 moduleRecord->SetStatus(ModuleStatus::UNINSTANTIATED);
55 moduleRecord->SetTypes(ModuleTypes::ECMA_MODULE);
56 moduleRecord->SetIsNewBcVersion(jsPandaFile->IsNewVersion());
57
58 return JSHandle<JSTaggedValue>::Cast(moduleRecord);
59 }
60
ExtractModuleDatas(JSThread * thread,const JSPandaFile * jsPandaFile,panda_file::File::EntityId moduleId,JSHandle<SourceTextModule> & moduleRecord)61 void ModuleDataExtractor::ExtractModuleDatas(JSThread *thread, const JSPandaFile *jsPandaFile,
62 panda_file::File::EntityId moduleId,
63 JSHandle<SourceTextModule> &moduleRecord)
64 {
65 [[maybe_unused]] EcmaHandleScope scope(thread);
66 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
67 ModuleDataAccessor mda(jsPandaFile, moduleId);
68 const std::vector<uint32_t> &requestModules = mda.getRequestModules();
69 size_t len = requestModules.size();
70 JSHandle<TaggedArray> requestModuleArray = factory->NewTaggedArray(len);
71 for (size_t idx = 0; idx < len; idx++) {
72 StringData sd = jsPandaFile->GetStringData(panda_file::File::EntityId(requestModules[idx]));
73 JSTaggedValue value(factory->GetRawStringFromStringTable(sd));
74 requestModuleArray->Set(thread, idx, value);
75 }
76 if (len > 0) {
77 moduleRecord->SetRequestedModules(thread, requestModuleArray);
78 }
79
80 // note the order can't change
81 mda.EnumerateImportEntry(thread, requestModuleArray, moduleRecord);
82 mda.EnumerateLocalExportEntry(thread, moduleRecord);
83 mda.EnumerateIndirectExportEntry(thread, requestModuleArray, moduleRecord);
84 mda.EnumerateStarExportEntry(thread, requestModuleArray, moduleRecord);
85 }
86
ParseCjsModule(JSThread * thread,const JSPandaFile * jsPandaFile)87 JSHandle<JSTaggedValue> ModuleDataExtractor::ParseCjsModule(JSThread *thread, const JSPandaFile *jsPandaFile)
88 {
89 const CString &descriptor = jsPandaFile->GetJSPandaFileDesc();
90 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
91 JSHandle<SourceTextModule> moduleRecord = factory->NewSourceTextModule();
92
93 JSHandle<EcmaString> cjsModuleFilename = factory->NewFromUtf8(descriptor);
94 moduleRecord->SetEcmaModuleFilename(thread, cjsModuleFilename);
95
96 JSHandle<JSTaggedValue> defaultName = thread->GlobalConstants()->GetHandledDefaultString();
97 JSHandle<LocalExportEntry> localExportEntry = factory->NewLocalExportEntry(defaultName,
98 defaultName, LocalExportEntry::LOCAL_DEFAULT_INDEX);
99 SourceTextModule::AddLocalExportEntry(thread, moduleRecord, localExportEntry, 0, 1); // 1 means len
100 moduleRecord->SetStatus(ModuleStatus::UNINSTANTIATED);
101 moduleRecord->SetTypes(ModuleTypes::CJS_MODULE);
102 moduleRecord->SetIsNewBcVersion(jsPandaFile->IsNewVersion());
103
104 return JSHandle<JSTaggedValue>::Cast(moduleRecord);
105 }
106
ParseJsonModule(JSThread * thread,const JSPandaFile * jsPandaFile,const CString & moduleFilename,const CString & recordName)107 JSHandle<JSTaggedValue> ModuleDataExtractor::ParseJsonModule(JSThread *thread, const JSPandaFile *jsPandaFile,
108 const CString &moduleFilename, const CString &recordName)
109 {
110 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
111 JSHandle<SourceTextModule> moduleRecord = factory->NewSourceTextModule();
112
113 JSHandle<JSTaggedValue> defaultName = thread->GlobalConstants()->GetHandledDefaultString();
114 JSHandle<LocalExportEntry> localExportEntry = factory->NewLocalExportEntry(defaultName,
115 defaultName, LocalExportEntry::LOCAL_DEFAULT_INDEX);
116 SourceTextModule::AddLocalExportEntry(thread, moduleRecord, localExportEntry, 0, 1); // 1 means len
117 JSTaggedValue jsonData = JsonParse(thread, jsPandaFile, recordName);
118 moduleRecord->StoreModuleValue(thread, 0, JSHandle<JSTaggedValue>(thread, jsonData)); // index = 0
119
120 JSHandle<EcmaString> ecmaModuleFilename = factory->NewFromUtf8(moduleFilename);
121 moduleRecord->SetEcmaModuleFilename(thread, ecmaModuleFilename);
122
123 moduleRecord->SetStatus(ModuleStatus::UNINSTANTIATED);
124 moduleRecord->SetTypes(ModuleTypes::JSON_MODULE);
125 moduleRecord->SetIsNewBcVersion(jsPandaFile->IsNewVersion());
126
127 return JSHandle<JSTaggedValue>::Cast(moduleRecord);
128 }
129
ParseNativeModule(JSThread * thread,const CString & moduleRequestName,ModuleTypes moduleType)130 JSHandle<JSTaggedValue> ModuleDataExtractor::ParseNativeModule(JSThread *thread, const CString &moduleRequestName,
131 ModuleTypes moduleType)
132 {
133 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
134 JSHandle<SourceTextModule> moduleRecord = factory->NewSourceTextModule();
135
136 // set moduleRecordName as non-undefined to distinguish between merge and non-merge mode
137 JSHandle<EcmaString> falsyRecordName = factory->NewFromUtf8(moduleRequestName);
138 moduleRecord->SetEcmaModuleRecordName(thread, falsyRecordName);
139 JSHandle<JSTaggedValue> defaultName = thread->GlobalConstants()->GetHandledDefaultString();
140 JSHandle<LocalExportEntry> localExportEntry = factory->NewLocalExportEntry(defaultName,
141 defaultName, LocalExportEntry::LOCAL_DEFAULT_INDEX);
142 SourceTextModule::AddLocalExportEntry(thread, moduleRecord, localExportEntry, 0, 1);
143 moduleRecord->SetTypes(moduleType);
144 moduleRecord->SetIsNewBcVersion(true);
145 moduleRecord->SetStatus(ModuleStatus::INSTANTIATED);
146 moduleRecord->StoreModuleValue(thread, 0, thread->GlobalConstants()->GetHandledUndefined());
147
148 return JSHandle<JSTaggedValue>::Cast(moduleRecord);
149 }
150
JsonParse(JSThread * thread,const JSPandaFile * jsPandaFile,CString entryPoint)151 JSTaggedValue ModuleDataExtractor::JsonParse(JSThread *thread, const JSPandaFile *jsPandaFile, CString entryPoint)
152 {
153 JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
154 EcmaRuntimeCallInfo *info =
155 EcmaInterpreter::NewRuntimeCallInfo(
156 thread, undefined, undefined, undefined, 1); // 1 : argument numbers
157 RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
158 JSRecordInfo recordInfo;
159 bool hasRecord = jsPandaFile->CheckAndGetRecordInfo(entryPoint, recordInfo);
160 if (!hasRecord) {
161 CString msg = "cannot find record '" + entryPoint + "', please check the request path.";
162 LOG_FULL(ERROR) << msg;
163 THROW_REFERENCE_ERROR_AND_RETURN(thread, msg.c_str(), JSTaggedValue::Exception());
164 }
165 CString value = jsPandaFile->GetJsonStringId(recordInfo);
166 JSHandle<JSTaggedValue> arg0(thread->GetEcmaVM()->GetFactory()->NewFromASCII(value));
167 info->SetCallArg(arg0.GetTaggedValue());
168 return BuiltinsJson::Parse(info);
169 }
170 } // namespace panda::ecmascript
171