1 /*
2 * Copyright (c) 2021 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 "moduleHelpers.h"
17
18 #include <util/helpers.h>
19 #include <libpandabase/utils/hash.h>
20 #include <protobufSnapshotGenerator.h>
21
22 namespace panda::es2panda::util {
CompileNpmModuleEntryList(const std::string & entriesInfo,panda::es2panda::CompilerOptions & options,std::map<std::string,panda::es2panda::util::ProgramCache * > & progsInfo,panda::ArenaAllocator * allocator)23 void ModuleHelpers::CompileNpmModuleEntryList(const std::string &entriesInfo,
24 panda::es2panda::CompilerOptions &options, std::map<std::string, panda::es2panda::util::ProgramCache*> &progsInfo,
25 panda::ArenaAllocator *allocator)
26 {
27 std::stringstream ss;
28 if (!util::Helpers::ReadFileToBuffer(entriesInfo, ss)) {
29 return;
30 }
31
32 uint32_t hash = 0;
33 auto cacheFileIter = options.cacheFiles.find(entriesInfo);
34 if (cacheFileIter != options.cacheFiles.end()) {
35 hash = GetHash32String(reinterpret_cast<const uint8_t *>(ss.str().c_str()));
36
37 auto cacheProgramInfo = panda::proto::ProtobufSnapshotGenerator::GetCacheContext(cacheFileIter->second,
38 allocator);
39 if (cacheProgramInfo != nullptr && cacheProgramInfo->hashCode == hash) {
40 auto *cache = allocator->New<util::ProgramCache>(hash, std::move(cacheProgramInfo->program));
41 progsInfo.insert({entriesInfo, cache});
42 return;
43 }
44 }
45
46 auto *prog = allocator->New<panda::pandasm::Program>();
47 std::string line;
48 while (getline(ss, line)) {
49 std::size_t pos = line.find(":");
50 std::string recordName = line.substr(0, pos);
51 std::string field = line.substr(pos + 1);
52
53 auto langExt = panda::pandasm::extensions::Language::ECMASCRIPT;
54 auto entryNameField = panda::pandasm::Field(langExt);
55 entryNameField.name = field;
56 entryNameField.type = panda::pandasm::Type("u8", 0);
57 entryNameField.metadata->SetValue(panda::pandasm::ScalarValue::Create<panda::pandasm::Value::Type::U8>(
58 static_cast<bool>(0)));
59
60 panda::pandasm::Record *entryRecord = new panda::pandasm::Record(recordName, langExt);
61 entryRecord->field_list.emplace_back(std::move(entryNameField));
62 prog->record_table.emplace(recordName, std::move(*entryRecord));
63 }
64
65 auto *cache = allocator->New<util::ProgramCache>(hash, std::move(*prog), true);
66 progsInfo.insert({entriesInfo, cache});
67 }
68 } // namespace panda::es2panda::util
69