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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_VALUE_SERIALIZER_H_ | 5 #ifndef V8_VALUE_SERIALIZER_H_ |
6 #define V8_VALUE_SERIALIZER_H_ | 6 #define V8_VALUE_SERIALIZER_H_ |
7 | 7 |
8 #include <cstdint> | 8 #include <cstdint> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "include/v8.h" | 11 #include "include/v8.h" |
12 #include "src/base/compiler-specific.h" | 12 #include "src/base/compiler-specific.h" |
13 #include "src/base/macros.h" | 13 #include "src/base/macros.h" |
14 #include "src/identity-map.h" | 14 #include "src/identity-map.h" |
15 #include "src/vector.h" | 15 #include "src/vector.h" |
16 #include "src/zone.h" | 16 #include "src/zone.h" |
17 | 17 |
18 namespace v8 { | 18 namespace v8 { |
19 namespace internal { | 19 namespace internal { |
20 | 20 |
21 class HeapNumber; | 21 class HeapNumber; |
22 class Isolate; | 22 class Isolate; |
| 23 class JSArrayBuffer; |
23 class JSDate; | 24 class JSDate; |
24 class JSMap; | 25 class JSMap; |
25 class JSRegExp; | 26 class JSRegExp; |
26 class JSSet; | 27 class JSSet; |
27 class JSValue; | 28 class JSValue; |
28 class Object; | 29 class Object; |
29 class Oddball; | 30 class Oddball; |
30 class Smi; | 31 class Smi; |
31 | 32 |
32 enum class SerializationTag : uint8_t; | 33 enum class SerializationTag : uint8_t; |
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61 private: | 62 private: |
62 // Writing the wire format. | 63 // Writing the wire format. |
63 void WriteTag(SerializationTag tag); | 64 void WriteTag(SerializationTag tag); |
64 template <typename T> | 65 template <typename T> |
65 void WriteVarint(T value); | 66 void WriteVarint(T value); |
66 template <typename T> | 67 template <typename T> |
67 void WriteZigZag(T value); | 68 void WriteZigZag(T value); |
68 void WriteDouble(double value); | 69 void WriteDouble(double value); |
69 void WriteOneByteString(Vector<const uint8_t> chars); | 70 void WriteOneByteString(Vector<const uint8_t> chars); |
70 void WriteTwoByteString(Vector<const uc16> chars); | 71 void WriteTwoByteString(Vector<const uc16> chars); |
| 72 void WriteRawBytes(const void* source, size_t length); |
71 uint8_t* ReserveRawBytes(size_t bytes); | 73 uint8_t* ReserveRawBytes(size_t bytes); |
72 | 74 |
73 // Writing V8 objects of various kinds. | 75 // Writing V8 objects of various kinds. |
74 void WriteOddball(Oddball* oddball); | 76 void WriteOddball(Oddball* oddball); |
75 void WriteSmi(Smi* smi); | 77 void WriteSmi(Smi* smi); |
76 void WriteHeapNumber(HeapNumber* number); | 78 void WriteHeapNumber(HeapNumber* number); |
77 void WriteString(Handle<String> string); | 79 void WriteString(Handle<String> string); |
78 Maybe<bool> WriteJSReceiver(Handle<JSReceiver> receiver) WARN_UNUSED_RESULT; | 80 Maybe<bool> WriteJSReceiver(Handle<JSReceiver> receiver) WARN_UNUSED_RESULT; |
79 Maybe<bool> WriteJSObject(Handle<JSObject> object) WARN_UNUSED_RESULT; | 81 Maybe<bool> WriteJSObject(Handle<JSObject> object) WARN_UNUSED_RESULT; |
80 Maybe<bool> WriteJSArray(Handle<JSArray> array) WARN_UNUSED_RESULT; | 82 Maybe<bool> WriteJSArray(Handle<JSArray> array) WARN_UNUSED_RESULT; |
81 void WriteJSDate(JSDate* date); | 83 void WriteJSDate(JSDate* date); |
82 Maybe<bool> WriteJSValue(Handle<JSValue> value) WARN_UNUSED_RESULT; | 84 Maybe<bool> WriteJSValue(Handle<JSValue> value) WARN_UNUSED_RESULT; |
83 void WriteJSRegExp(JSRegExp* regexp); | 85 void WriteJSRegExp(JSRegExp* regexp); |
84 Maybe<bool> WriteJSMap(Handle<JSMap> map) WARN_UNUSED_RESULT; | 86 Maybe<bool> WriteJSMap(Handle<JSMap> map) WARN_UNUSED_RESULT; |
85 Maybe<bool> WriteJSSet(Handle<JSSet> map) WARN_UNUSED_RESULT; | 87 Maybe<bool> WriteJSSet(Handle<JSSet> map) WARN_UNUSED_RESULT; |
| 88 Maybe<bool> WriteJSArrayBuffer(JSArrayBuffer* array_buffer); |
86 | 89 |
87 /* | 90 /* |
88 * Reads the specified keys from the object and writes key-value pairs to the | 91 * Reads the specified keys from the object and writes key-value pairs to the |
89 * buffer. Returns the number of keys actually written, which may be smaller | 92 * buffer. Returns the number of keys actually written, which may be smaller |
90 * if some keys are not own properties when accessed. | 93 * if some keys are not own properties when accessed. |
91 */ | 94 */ |
92 Maybe<uint32_t> WriteJSObjectProperties( | 95 Maybe<uint32_t> WriteJSObjectProperties( |
93 Handle<JSObject> object, Handle<FixedArray> keys) WARN_UNUSED_RESULT; | 96 Handle<JSObject> object, Handle<FixedArray> keys) WARN_UNUSED_RESULT; |
94 | 97 |
95 Isolate* const isolate_; | 98 Isolate* const isolate_; |
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151 MaybeHandle<String> ReadUtf8String() WARN_UNUSED_RESULT; | 154 MaybeHandle<String> ReadUtf8String() WARN_UNUSED_RESULT; |
152 MaybeHandle<String> ReadTwoByteString() WARN_UNUSED_RESULT; | 155 MaybeHandle<String> ReadTwoByteString() WARN_UNUSED_RESULT; |
153 MaybeHandle<JSObject> ReadJSObject() WARN_UNUSED_RESULT; | 156 MaybeHandle<JSObject> ReadJSObject() WARN_UNUSED_RESULT; |
154 MaybeHandle<JSArray> ReadSparseJSArray() WARN_UNUSED_RESULT; | 157 MaybeHandle<JSArray> ReadSparseJSArray() WARN_UNUSED_RESULT; |
155 MaybeHandle<JSArray> ReadDenseJSArray() WARN_UNUSED_RESULT; | 158 MaybeHandle<JSArray> ReadDenseJSArray() WARN_UNUSED_RESULT; |
156 MaybeHandle<JSDate> ReadJSDate() WARN_UNUSED_RESULT; | 159 MaybeHandle<JSDate> ReadJSDate() WARN_UNUSED_RESULT; |
157 MaybeHandle<JSValue> ReadJSValue(SerializationTag tag) WARN_UNUSED_RESULT; | 160 MaybeHandle<JSValue> ReadJSValue(SerializationTag tag) WARN_UNUSED_RESULT; |
158 MaybeHandle<JSRegExp> ReadJSRegExp() WARN_UNUSED_RESULT; | 161 MaybeHandle<JSRegExp> ReadJSRegExp() WARN_UNUSED_RESULT; |
159 MaybeHandle<JSMap> ReadJSMap() WARN_UNUSED_RESULT; | 162 MaybeHandle<JSMap> ReadJSMap() WARN_UNUSED_RESULT; |
160 MaybeHandle<JSSet> ReadJSSet() WARN_UNUSED_RESULT; | 163 MaybeHandle<JSSet> ReadJSSet() WARN_UNUSED_RESULT; |
| 164 MaybeHandle<JSArrayBuffer> ReadJSArrayBuffer() WARN_UNUSED_RESULT; |
161 | 165 |
162 /* | 166 /* |
163 * Reads key-value pairs into the object until the specified end tag is | 167 * Reads key-value pairs into the object until the specified end tag is |
164 * encountered. If successful, returns the number of properties read. | 168 * encountered. If successful, returns the number of properties read. |
165 */ | 169 */ |
166 Maybe<uint32_t> ReadJSObjectProperties(Handle<JSObject> object, | 170 Maybe<uint32_t> ReadJSObjectProperties(Handle<JSObject> object, |
167 SerializationTag end_tag); | 171 SerializationTag end_tag); |
168 | 172 |
169 // Manipulating the map from IDs to reified objects. | 173 // Manipulating the map from IDs to reified objects. |
170 bool HasObjectWithID(uint32_t id); | 174 bool HasObjectWithID(uint32_t id); |
171 MaybeHandle<JSReceiver> GetObjectWithID(uint32_t id); | 175 MaybeHandle<JSReceiver> GetObjectWithID(uint32_t id); |
172 void AddObjectWithID(uint32_t id, Handle<JSReceiver> object); | 176 void AddObjectWithID(uint32_t id, Handle<JSReceiver> object); |
173 | 177 |
174 Isolate* const isolate_; | 178 Isolate* const isolate_; |
175 const uint8_t* position_; | 179 const uint8_t* position_; |
176 const uint8_t* const end_; | 180 const uint8_t* const end_; |
177 uint32_t version_ = 0; | 181 uint32_t version_ = 0; |
178 Handle<SeededNumberDictionary> id_map_; // Always a global handle. | 182 Handle<SeededNumberDictionary> id_map_; // Always a global handle. |
179 uint32_t next_id_ = 0; | 183 uint32_t next_id_ = 0; |
180 | 184 |
181 DISALLOW_COPY_AND_ASSIGN(ValueDeserializer); | 185 DISALLOW_COPY_AND_ASSIGN(ValueDeserializer); |
182 }; | 186 }; |
183 | 187 |
184 } // namespace internal | 188 } // namespace internal |
185 } // namespace v8 | 189 } // namespace v8 |
186 | 190 |
187 #endif // V8_VALUE_SERIALIZER_H_ | 191 #endif // V8_VALUE_SERIALIZER_H_ |
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