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 #ifndef ECMASCRIPT_JSPANDAFILE_LITERAL_DATA_EXTRACTOR_H
17 #define ECMASCRIPT_JSPANDAFILE_LITERAL_DATA_EXTRACTOR_H
18 
19 #include "ecmascript/jspandafile/js_pandafile.h"
20 #include "ecmascript/js_tagged_value-inl.h"
21 #include "libpandafile/literal_data_accessor-inl.h"
22 
23 namespace panda::ecmascript {
24 class LiteralDataExtractor {
25 public:
26     LiteralDataExtractor() = default;
27     virtual ~LiteralDataExtractor() = default;
28 
29     DEFAULT_NOEXCEPT_MOVE_SEMANTIC(LiteralDataExtractor);
30     DEFAULT_COPY_SEMANTIC(LiteralDataExtractor);
31 
32     static constexpr uint32_t LITERALARRAY_VALUE_LOW_BOUNDARY = 100;
33 
34     // Parameter 'size_t index' is for old isa, and 'EntityId id' for new isa.
35     static void ExtractObjectDatas(JSThread *thread, const JSPandaFile *jsPandaFile, size_t index,
36                                    JSMutableHandle<TaggedArray> elements, JSMutableHandle<TaggedArray> properties,
37                                    JSHandle<ConstantPool> constpool, const CString &entryPoint = "");
38     static PUBLIC_API void ExtractObjectDatas(JSThread *thread, const JSPandaFile *jsPandaFile, EntityId id,
39                                               JSMutableHandle<TaggedArray> elements,
40                                               JSMutableHandle<TaggedArray> properties,
41                                               JSHandle<ConstantPool> constpool, const CString &entryPoint = "",
42                                               bool isLoadedAOT = false,
43                                               JSHandle<AOTLiteralInfo> entryIndexes = JSHandle<AOTLiteralInfo>());
44 
45     static JSHandle<TaggedArray> GetDatasIgnoreType(JSThread *thread, const JSPandaFile *jsPandaFile, size_t index,
46                                                     JSHandle<ConstantPool> constpool, const CString &entryPoint = "");
47     static PUBLIC_API JSHandle<TaggedArray> GetDatasIgnoreType(JSThread *thread, const JSPandaFile *jsPandaFile,
48         EntityId id, JSHandle<ConstantPool> constpool, const CString &entryPoint = "",
49         bool isLoadedAOT = false, JSHandle<AOTLiteralInfo> entryIndexes = JSHandle<AOTLiteralInfo>(),
50         ElementsKind *newKind = nullptr, JSHandle<JSTaggedValue> sendableEnv = JSHandle<JSTaggedValue>(),
51         ClassKind classKind = ClassKind::NON_SENDABLE);
52     static PUBLIC_API JSHandle<TaggedArray> GetDatasIgnoreTypeForClass(JSThread *thread, const JSPandaFile *jsPandaFile,
53         EntityId id, JSHandle<ConstantPool> constpool, const CString &entryPoint = "",
54         bool isLoadedAOT = false, JSHandle<AOTLiteralInfo> entryIndexes = JSHandle<AOTLiteralInfo>(),
55         ElementsKind *newKind = nullptr, JSHandle<JSTaggedValue> sendableEnv = JSHandle<JSTaggedValue>(),
56         ClassKind classKind = ClassKind::NON_SENDABLE);
57 
58     static JSHandle<TaggedArray> GetDatasIgnoreTypeForClass(JSThread *thread, const JSPandaFile *jsPandaFile,
59                                                             size_t index, JSHandle<ConstantPool> constpool,
60                                                             const CString &entryPoint = "");
61 
62     static JSHandle<JSFunction> DefineMethodInLiteral(JSThread *thread, const JSPandaFile *jsPandaFile,
63                                                       uint32_t offset, JSHandle<ConstantPool> constpool,
64                                                       FunctionKind kind, uint16_t length,
65                                                       const CString &entryPoint = "",
66                                                       bool isLoadedAOT = false, uint32_t entryIndex = 0,
67                                                       JSHandle<JSTaggedValue> sendableEnv = JSHandle<JSTaggedValue>(),
68                                                       ClassKind classKind = ClassKind::NON_SENDABLE);
69 
70     static void PUBLIC_API GetMethodOffsets(const JSPandaFile *jsPandaFile, size_t index,
71                                             std::vector<uint32_t> &methodOffsets);
72 
73     static void PUBLIC_API GetMethodOffsets(const JSPandaFile *jsPandaFile, EntityId id,
74                                             std::vector<uint32_t> &methodOffsets);
75 private:
76     static JSHandle<FunctionTemplate> DefineFunctionTemplate(JSThread *thread, const JSPandaFile *jsPandaFile,
77         uint32_t offset, JSHandle<ConstantPool> constpool, FunctionKind kind, uint16_t length,
78         const CString &entryPoint = "", bool isLoadedAOT = false, uint32_t entryIndex = 0,
79         JSHandle<JSTaggedValue> sendableEnv = JSHandle<JSTaggedValue>(), ClassKind classKind = ClassKind::NON_SENDABLE);
80 
81     static JSHandle<JSFunction> CreateJSFunctionInLiteral(EcmaVM *vm, const JSHandle<Method> &method,
82                                                           FunctionKind kind, ClassKind classKind);
83     static JSHandle<TaggedArray> EnumerateLiteralVals(JSThread *thread, panda_file::LiteralDataAccessor &lda,
84         const JSPandaFile *jsPandaFile, size_t index, JSHandle<ConstantPool> constpool,
85         const CString &entryPoint = "");
86 };
87 }  // namespace panda::ecmascript
88 #endif  // ECMASCRIPT_JSPANDAFILE_LITERAL_DATA_EXTRACTOR_H
89