OLD | NEW |
1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_PROTOTYPE_H_ | 5 #ifndef V8_PROTOTYPE_H_ |
6 #define V8_PROTOTYPE_H_ | 6 #define V8_PROTOTYPE_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 |
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
53 object_(receiver_map->prototype()), | 53 object_(receiver_map->prototype()), |
54 isolate_(receiver_map->GetIsolate()) {} | 54 isolate_(receiver_map->GetIsolate()) {} |
55 explicit PrototypeIterator(Handle<Map> receiver_map) | 55 explicit PrototypeIterator(Handle<Map> receiver_map) |
56 : did_jump_to_prototype_chain_(true), | 56 : did_jump_to_prototype_chain_(true), |
57 object_(NULL), | 57 object_(NULL), |
58 handle_(handle(receiver_map->prototype(), receiver_map->GetIsolate())), | 58 handle_(handle(receiver_map->prototype(), receiver_map->GetIsolate())), |
59 isolate_(receiver_map->GetIsolate()) {} | 59 isolate_(receiver_map->GetIsolate()) {} |
60 ~PrototypeIterator() {} | 60 ~PrototypeIterator() {} |
61 | 61 |
62 Object* GetCurrent() const { | 62 Object* GetCurrent() const { |
63 ASSERT(handle_.is_null()); | 63 DCHECK(handle_.is_null()); |
64 return object_; | 64 return object_; |
65 } | 65 } |
66 static Handle<Object> GetCurrent(const PrototypeIterator& iterator) { | 66 static Handle<Object> GetCurrent(const PrototypeIterator& iterator) { |
67 ASSERT(!iterator.handle_.is_null()); | 67 DCHECK(!iterator.handle_.is_null()); |
68 return iterator.handle_; | 68 return iterator.handle_; |
69 } | 69 } |
70 void Advance() { | 70 void Advance() { |
71 if (handle_.is_null() && object_->IsJSProxy()) { | 71 if (handle_.is_null() && object_->IsJSProxy()) { |
72 did_jump_to_prototype_chain_ = true; | 72 did_jump_to_prototype_chain_ = true; |
73 object_ = isolate_->heap()->null_value(); | 73 object_ = isolate_->heap()->null_value(); |
74 return; | 74 return; |
75 } else if (!handle_.is_null() && handle_->IsJSProxy()) { | 75 } else if (!handle_.is_null() && handle_->IsJSProxy()) { |
76 did_jump_to_prototype_chain_ = true; | 76 did_jump_to_prototype_chain_ = true; |
77 handle_ = handle(isolate_->heap()->null_value(), isolate_); | 77 handle_ = handle(isolate_->heap()->null_value(), isolate_); |
(...skipping 25 matching lines...) Expand all Loading... |
103 where_to_end == END_AT_NON_HIDDEN && | 103 where_to_end == END_AT_NON_HIDDEN && |
104 !HeapObject::cast(object_)->map()->is_hidden_prototype()); | 104 !HeapObject::cast(object_)->map()->is_hidden_prototype()); |
105 } else { | 105 } else { |
106 return handle_->IsNull() || | 106 return handle_->IsNull() || |
107 (did_jump_to_prototype_chain_ && | 107 (did_jump_to_prototype_chain_ && |
108 where_to_end == END_AT_NON_HIDDEN && | 108 where_to_end == END_AT_NON_HIDDEN && |
109 !Handle<HeapObject>::cast(handle_)->map()->is_hidden_prototype()); | 109 !Handle<HeapObject>::cast(handle_)->map()->is_hidden_prototype()); |
110 } | 110 } |
111 } | 111 } |
112 bool IsAtEnd(Object* final_object) { | 112 bool IsAtEnd(Object* final_object) { |
113 ASSERT(handle_.is_null()); | 113 DCHECK(handle_.is_null()); |
114 return object_->IsNull() || object_ == final_object; | 114 return object_->IsNull() || object_ == final_object; |
115 } | 115 } |
116 bool IsAtEnd(Handle<Object> final_object) { | 116 bool IsAtEnd(Handle<Object> final_object) { |
117 ASSERT(!handle_.is_null()); | 117 DCHECK(!handle_.is_null()); |
118 return handle_->IsNull() || *handle_ == *final_object; | 118 return handle_->IsNull() || *handle_ == *final_object; |
119 } | 119 } |
120 | 120 |
121 private: | 121 private: |
122 bool did_jump_to_prototype_chain_; | 122 bool did_jump_to_prototype_chain_; |
123 Object* object_; | 123 Object* object_; |
124 Handle<Object> handle_; | 124 Handle<Object> handle_; |
125 Isolate* isolate_; | 125 Isolate* isolate_; |
126 | 126 |
127 DISALLOW_COPY_AND_ASSIGN(PrototypeIterator); | 127 DISALLOW_COPY_AND_ASSIGN(PrototypeIterator); |
128 }; | 128 }; |
129 | 129 |
130 | 130 |
131 } // namespace internal | 131 } // namespace internal |
132 | 132 |
133 } // namespace v8 | 133 } // namespace v8 |
134 | 134 |
135 #endif // V8_PROTOTYPE_H_ | 135 #endif // V8_PROTOTYPE_H_ |
OLD | NEW |