/src/node/deps/v8/include/v8-data.h
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1 | | // Copyright 2021 the V8 project authors. All rights reserved. |
2 | | // Use of this source code is governed by a BSD-style license that can be |
3 | | // found in the LICENSE file. |
4 | | |
5 | | #ifndef INCLUDE_V8_DATA_H_ |
6 | | #define INCLUDE_V8_DATA_H_ |
7 | | |
8 | | #include "v8-local-handle.h" // NOLINT(build/include_directory) |
9 | | #include "v8config.h" // NOLINT(build/include_directory) |
10 | | |
11 | | namespace v8 { |
12 | | |
13 | | class Context; |
14 | | |
15 | | /** |
16 | | * The superclass of objects that can reside on V8's heap. |
17 | | */ |
18 | | class V8_EXPORT Data { |
19 | | public: |
20 | | /** |
21 | | * Returns true if this data is a |v8::Value|. |
22 | | */ |
23 | | bool IsValue() const; |
24 | | |
25 | | /** |
26 | | * Returns true if this data is a |v8::Module|. |
27 | | */ |
28 | | bool IsModule() const; |
29 | | |
30 | | /** |
31 | | * Returns true if this data is a |v8::ModuleRequest|. |
32 | | */ |
33 | | bool IsModuleRequest() const; |
34 | | |
35 | | /** |
36 | | * Returns tru if this data is a |v8::FixedArray| |
37 | | */ |
38 | | bool IsFixedArray() const; |
39 | | |
40 | | /** |
41 | | * Returns true if this data is a |v8::Private|. |
42 | | */ |
43 | | bool IsPrivate() const; |
44 | | |
45 | | /** |
46 | | * Returns true if this data is a |v8::ObjectTemplate|. |
47 | | */ |
48 | | bool IsObjectTemplate() const; |
49 | | |
50 | | /** |
51 | | * Returns true if this data is a |v8::FunctionTemplate|. |
52 | | */ |
53 | | bool IsFunctionTemplate() const; |
54 | | |
55 | | /** |
56 | | * Returns true if this data is a |v8::DictionaryTemplate|. |
57 | | */ |
58 | | bool IsDictionaryTemplate() const; |
59 | | |
60 | | /** |
61 | | * Returns true if this data is a |v8::Context|. |
62 | | */ |
63 | | bool IsContext() const; |
64 | | |
65 | | /** |
66 | | * Returns true if this value is a `CppHeapExternal` object. |
67 | | */ |
68 | | bool IsCppHeapExternal() const; |
69 | | |
70 | | private: |
71 | | Data() = delete; |
72 | | }; |
73 | | |
74 | | /** |
75 | | * A fixed-sized array with elements of type Data. |
76 | | */ |
77 | | class V8_EXPORT FixedArray : public Data { |
78 | | public: |
79 | | int Length() const; |
80 | | Local<Data> Get(Local<Context> context, int i) const; |
81 | | |
82 | 0 | V8_INLINE static FixedArray* Cast(Data* data) { |
83 | 0 | #ifdef V8_ENABLE_CHECKS |
84 | 0 | CheckCast(data); |
85 | 0 | #endif |
86 | 0 | return reinterpret_cast<FixedArray*>(data); |
87 | 0 | } |
88 | | |
89 | | private: |
90 | | static void CheckCast(Data* obj); |
91 | | }; |
92 | | |
93 | | } // namespace v8 |
94 | | |
95 | | #endif // INCLUDE_V8_DATA_H_ |