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 "protobufSnapshotGenerator.h"
17
18 namespace panda::proto {
GenerateSnapshot(const panda::pandasm::Program & program,const std::string & outputName)19 void ProtobufSnapshotGenerator::GenerateSnapshot(const panda::pandasm::Program &program, const std::string &outputName)
20 {
21 protoPanda::Program protoProgram;
22
23 Program::Serialize(program, protoProgram);
24 ProtobufSnapshotGenerator::SerializeToProtoPath<protoPanda::Program>(protoProgram, outputName);
25 }
26
GenerateProgram(const std::string & inputName,panda::pandasm::Program & prog,panda::ArenaAllocator * allocator)27 void ProtobufSnapshotGenerator::GenerateProgram(const std::string &inputName, panda::pandasm::Program &prog,
28 panda::ArenaAllocator *allocator)
29 {
30 std::fstream input = panda::es2panda::util::Helpers::FileStream<std::fstream>(
31 panda::os::file::File::GetExtendedFilePath(inputName),
32 std::ios::in | std::ios::binary);
33 if (!input) {
34 std::cerr << "Failed to open: " << inputName << std::endl;
35 return;
36 }
37 protoPanda::Program proto_program;
38 if (!proto_program.ParseFromIstream(&input)) {
39 std::cerr << "Failed to parse: " << inputName << std::endl;
40 return;
41 }
42 Program::Deserialize(proto_program, prog, allocator);
43 }
44
GetCacheContext(const std::string & cacheFilePath,panda::ArenaAllocator * allocator)45 panda::es2panda::util::ProgramCache *ProtobufSnapshotGenerator::GetCacheContext(const std::string &cacheFilePath,
46 panda::ArenaAllocator *allocator)
47 {
48 std::fstream input = panda::es2panda::util::Helpers::FileStream<std::fstream>(
49 panda::os::file::File::GetExtendedFilePath(cacheFilePath),
50 std::ios::in | std::ios::binary);
51 if (!input) {
52 return nullptr;
53 }
54
55 protoPanda::ProgramCache protoCache;
56 if (!protoCache.ParseFromIstream(&input)) {
57 std::cerr << "Failed to parse cache file: " << cacheFilePath << std::endl;
58 return nullptr;
59 }
60
61 auto *program = allocator->New<panda::pandasm::Program>();
62 CHECK_NOT_NULL(program);
63 Program::Deserialize(protoCache.program(), *program, allocator);
64 uint32_t hashCode = protoCache.hashcode();
65 auto *programCache = allocator->New<panda::es2panda::util::ProgramCache>(hashCode, std::move(*program));
66
67 return programCache;
68 }
69
UpdateCacheFile(const panda::es2panda::util::ProgramCache * programCache,const std::string & cacheFilePath)70 void ProtobufSnapshotGenerator::UpdateCacheFile(const panda::es2panda::util::ProgramCache *programCache,
71 const std::string &cacheFilePath)
72 {
73 protoPanda::ProgramCache protoCache;
74 protoCache.set_hashcode(programCache->hashCode);
75 auto *protoProgram = protoCache.mutable_program();
76 Program::Serialize(programCache->program, *protoProgram);
77 ProtobufSnapshotGenerator::SerializeToProtoPath<protoPanda::ProgramCache>(protoCache, cacheFilePath);
78 }
79
GetAbcInputCacheContext(const std::string & cacheFilePath,panda::ArenaAllocator * allocator)80 panda::es2panda::util::AbcProgramsCache *ProtobufSnapshotGenerator::GetAbcInputCacheContext(
81 const std::string &cacheFilePath, panda::ArenaAllocator *allocator)
82 {
83 std::fstream input = panda::es2panda::util::Helpers::FileStream<std::fstream>(
84 panda::os::file::File::GetExtendedFilePath(cacheFilePath),
85 std::ios::in | std::ios::binary);
86 if (!input) {
87 return nullptr;
88 }
89
90 protoPanda::AbcProtoProgramsCache abcProtoCache;
91 if (!abcProtoCache.ParseFromIstream(&input)) {
92 std::cerr << "Failed to parse cache file: " << cacheFilePath << std::endl;
93 return nullptr;
94 }
95
96 std::map<std::string, panda::es2panda::util::ProgramCache *> abcProgsInfo {};
97 for (const auto &item : abcProtoCache.abcprotoprogramsmap()) {
98 auto *program = new panda::pandasm::Program();
99 auto &protoName = item.name();
100 auto &protoProgram = item.program();
101 Program::Deserialize(protoProgram, *program, allocator);
102 auto *programCache = allocator->New<panda::es2panda::util::ProgramCache>(std::move(*program));
103 CHECK_NOT_NULL(programCache);
104 abcProgsInfo.emplace(protoName, programCache);
105 delete program;
106 program = nullptr;
107 }
108
109 uint32_t hashCode = abcProtoCache.hashcode();
110 auto *abcProgarmsCache = allocator->New<panda::es2panda::util::AbcProgramsCache>(hashCode, abcProgsInfo);
111 CHECK_NOT_NULL(abcProgarmsCache);
112
113 return abcProgarmsCache;
114 }
115
UpdateAbcCacheFile(const panda::es2panda::util::AbcProgramsCache * abcProgramsCache,const std::string & cacheFilePath)116 void ProtobufSnapshotGenerator::UpdateAbcCacheFile(const panda::es2panda::util::AbcProgramsCache *abcProgramsCache,
117 const std::string &cacheFilePath)
118 {
119 protoPanda::AbcProtoProgramsCache abcProtoCache;
120 abcProtoCache.set_hashcode(abcProgramsCache->hashCode);
121
122 for (const auto &pair : abcProgramsCache->programsCache) {
123 auto *abcProtoProgramItem = abcProtoCache.add_abcprotoprogramsmap();
124 abcProtoProgramItem->set_name(pair.first);
125 auto *protoProgram = abcProtoProgramItem->mutable_program();
126 Program::Serialize(pair.second->program, *protoProgram);
127 }
128 ProtobufSnapshotGenerator::SerializeToProtoPath<protoPanda::AbcProtoProgramsCache>(abcProtoCache, cacheFilePath);
129 }
130
131 } // panda::proto
132