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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_KEY_ACCUMULATOR_H_ | 5 #ifndef V8_KEYS_H_ |
6 #define V8_KEY_ACCUMULATOR_H_ | 6 #define V8_KEYS_H_ |
7 | 7 |
8 #include "src/isolate.h" | 8 #include "src/isolate.h" |
9 #include "src/objects.h" | 9 #include "src/objects.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 | 13 |
14 enum AddKeyConversion { DO_NOT_CONVERT, CONVERT_TO_ARRAY_INDEX, PROXY_MAGIC }; | 14 enum AddKeyConversion { DO_NOT_CONVERT, CONVERT_TO_ARRAY_INDEX, PROXY_MAGIC }; |
15 | 15 |
16 // This is a helper class for JSReceiver::GetKeys which collects and sorts keys. | 16 // This is a helper class for JSReceiver::GetKeys which collects and sorts keys. |
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46 void AddElementKeysFromInterceptor(Handle<JSObject> array); | 46 void AddElementKeysFromInterceptor(Handle<JSObject> array); |
47 // Jump to the next level, pushing the current |levelLength_| to | 47 // Jump to the next level, pushing the current |levelLength_| to |
48 // |levelLengths_| and adding a new list to |elements_|. | 48 // |levelLengths_| and adding a new list to |elements_|. |
49 void NextPrototype(); | 49 void NextPrototype(); |
50 // Sort the integer indices in the last list in |elements_| | 50 // Sort the integer indices in the last list in |elements_| |
51 void SortCurrentElementsList(); | 51 void SortCurrentElementsList(); |
52 Handle<FixedArray> GetKeys(GetKeysConversion convert = KEEP_NUMBERS); | 52 Handle<FixedArray> GetKeys(GetKeysConversion convert = KEEP_NUMBERS); |
53 int length() { return length_; } | 53 int length() { return length_; } |
54 Isolate* isolate() { return isolate_; } | 54 Isolate* isolate() { return isolate_; } |
55 void set_filter_proxy_keys(bool filter) { filter_proxy_keys_ = filter; } | 55 void set_filter_proxy_keys(bool filter) { filter_proxy_keys_ = filter; } |
| 56 PropertyFilter filter() { return filter_; } |
| 57 |
| 58 Maybe<bool> GetKeys_Internal(Handle<JSReceiver> receiver, |
| 59 Handle<JSReceiver> object, |
| 60 KeyCollectionType type); |
| 61 static Handle<FixedArray> GetEnumPropertyKeys(Isolate* isolate, |
| 62 Handle<JSObject> object); |
| 63 |
| 64 void CollectOwnElementKeys(Handle<JSObject> object); |
| 65 void CollectOwnPropertyNames(Handle<JSObject> object); |
56 | 66 |
57 private: | 67 private: |
58 bool AddIntegerKey(uint32_t key); | 68 bool AddIntegerKey(uint32_t key); |
59 bool AddStringKey(Handle<Object> key, AddKeyConversion convert); | 69 bool AddStringKey(Handle<Object> key, AddKeyConversion convert); |
60 bool AddSymbolKey(Handle<Object> array); | 70 bool AddSymbolKey(Handle<Object> array); |
61 void SortCurrentElementsListRemoveDuplicates(); | 71 void SortCurrentElementsListRemoveDuplicates(); |
62 | 72 |
| 73 Maybe<bool> JSProxyOwnPropertyKeys(Handle<JSReceiver> receiver, |
| 74 Handle<JSProxy> proxy); |
| 75 Maybe<bool> GetKeysFromJSObject(Handle<JSReceiver> receiver, |
| 76 Handle<JSObject> object, |
| 77 KeyCollectionType type); |
| 78 |
63 Isolate* isolate_; | 79 Isolate* isolate_; |
64 KeyCollectionType type_; | 80 KeyCollectionType type_; |
65 PropertyFilter filter_; | 81 PropertyFilter filter_; |
66 bool filter_proxy_keys_ = true; | 82 bool filter_proxy_keys_ = true; |
67 // |elements_| contains the sorted element keys (indices) per level. | 83 // |elements_| contains the sorted element keys (indices) per level. |
68 std::vector<std::vector<uint32_t>*> elements_; | 84 std::vector<std::vector<uint32_t>*> elements_; |
69 // |protoLengths_| contains the total number of keys (elements + properties) | 85 // |protoLengths_| contains the total number of keys (elements + properties) |
70 // per level. Negative values mark counts for a level with keys from a proxy. | 86 // per level. Negative values mark counts for a level with keys from a proxy. |
71 std::vector<int> level_lengths_; | 87 std::vector<int> level_lengths_; |
72 // |string_properties_| contains the unique String property keys for all | 88 // |string_properties_| contains the unique String property keys for all |
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119 bool is_receiver_simple_enum_ = false; | 135 bool is_receiver_simple_enum_ = false; |
120 bool has_empty_prototype_ = false; | 136 bool has_empty_prototype_ = false; |
121 bool filter_proxy_keys_ = true; | 137 bool filter_proxy_keys_ = true; |
122 | 138 |
123 DISALLOW_COPY_AND_ASSIGN(FastKeyAccumulator); | 139 DISALLOW_COPY_AND_ASSIGN(FastKeyAccumulator); |
124 }; | 140 }; |
125 | 141 |
126 } // namespace internal | 142 } // namespace internal |
127 } // namespace v8 | 143 } // namespace v8 |
128 | 144 |
129 #endif // V8_KEY_ACCUMULATOR_H_ | 145 #endif // V8_KEYS_H_ |
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