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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_LOOKUP_INL_H_ | 5 #ifndef V8_LOOKUP_INL_H_ |
6 #define V8_LOOKUP_INL_H_ | 6 #define V8_LOOKUP_INL_H_ |
7 | 7 |
8 #include "src/lookup.h" | 8 #include "src/lookup.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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24 // Always lookup behind the JSGlobalProxy into the JSGlobalObject, even | 24 // Always lookup behind the JSGlobalProxy into the JSGlobalObject, even |
25 // when not checking other hidden prototypes. | 25 // when not checking other hidden prototypes. |
26 !map->IsJSGlobalProxyMap()) { | 26 !map->IsJSGlobalProxyMap()) { |
27 return NULL; | 27 return NULL; |
28 } | 28 } |
29 | 29 |
30 return next; | 30 return next; |
31 } | 31 } |
32 | 32 |
33 | 33 |
34 LookupIterator::State LookupIterator::LookupInHolder(Map* map, | 34 LookupIterator::State LookupIterator::LookupInHolder(Map* const map, |
35 JSReceiver* holder) { | 35 JSReceiver* const holder) { |
36 STATIC_ASSERT(INTERCEPTOR == BEFORE_PROPERTY); | 36 STATIC_ASSERT(INTERCEPTOR == BEFORE_PROPERTY); |
37 DisallowHeapAllocation no_gc; | 37 DisallowHeapAllocation no_gc; |
| 38 if (interceptor_state_ == InterceptorState::kProcessNonMasking) { |
| 39 return LookupNonMaskingInterceptorInHolder(map, holder); |
| 40 } |
38 switch (state_) { | 41 switch (state_) { |
39 case NOT_FOUND: | 42 case NOT_FOUND: |
40 if (map->IsJSProxyMap()) return JSPROXY; | 43 if (map->IsJSProxyMap()) return JSPROXY; |
41 if (map->is_access_check_needed() && | 44 if (map->is_access_check_needed() && |
42 !isolate_->IsInternallyUsedPropertyName(name_)) { | 45 !isolate_->IsInternallyUsedPropertyName(name_)) { |
43 return ACCESS_CHECK; | 46 return ACCESS_CHECK; |
44 } | 47 } |
45 // Fall through. | 48 // Fall through. |
46 case ACCESS_CHECK: | 49 case ACCESS_CHECK: |
47 if (exotic_index_state_ != ExoticIndexState::kNoIndex && | 50 if (exotic_index_state_ != ExoticIndexState::kNoIndex && |
48 IsIntegerIndexedExotic(holder)) { | 51 IsIntegerIndexedExotic(holder)) { |
49 return INTEGER_INDEXED_EXOTIC; | 52 return INTEGER_INDEXED_EXOTIC; |
50 } | 53 } |
51 if (check_interceptor() && map->has_named_interceptor()) { | 54 if (check_interceptor() && map->has_named_interceptor() && |
| 55 !SkipInterceptor(JSObject::cast(holder))) { |
52 return INTERCEPTOR; | 56 return INTERCEPTOR; |
53 } | 57 } |
54 // Fall through. | 58 // Fall through. |
55 case INTERCEPTOR: | 59 case INTERCEPTOR: |
56 if (map->is_dictionary_map()) { | 60 if (map->is_dictionary_map()) { |
57 NameDictionary* dict = JSObject::cast(holder)->property_dictionary(); | 61 NameDictionary* dict = JSObject::cast(holder)->property_dictionary(); |
58 number_ = dict->FindEntry(name_); | 62 number_ = dict->FindEntry(name_); |
59 if (number_ == NameDictionary::kNotFound) return NOT_FOUND; | 63 if (number_ == NameDictionary::kNotFound) return NOT_FOUND; |
60 if (holder->IsGlobalObject()) { | 64 if (holder->IsGlobalObject()) { |
61 PropertyCell* cell = PropertyCell::cast(dict->ValueAt(number_)); | 65 PropertyCell* cell = PropertyCell::cast(dict->ValueAt(number_)); |
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79 case DATA: | 83 case DATA: |
80 return NOT_FOUND; | 84 return NOT_FOUND; |
81 case INTEGER_INDEXED_EXOTIC: | 85 case INTEGER_INDEXED_EXOTIC: |
82 case JSPROXY: | 86 case JSPROXY: |
83 case TRANSITION: | 87 case TRANSITION: |
84 UNREACHABLE(); | 88 UNREACHABLE(); |
85 } | 89 } |
86 UNREACHABLE(); | 90 UNREACHABLE(); |
87 return state_; | 91 return state_; |
88 } | 92 } |
| 93 |
| 94 |
| 95 LookupIterator::State LookupIterator::LookupNonMaskingInterceptorInHolder( |
| 96 Map* const map, JSReceiver* const holder) { |
| 97 switch (state_) { |
| 98 case NOT_FOUND: |
| 99 if (check_interceptor() && map->has_named_interceptor() && |
| 100 !SkipInterceptor(JSObject::cast(holder))) { |
| 101 return INTERCEPTOR; |
| 102 } |
| 103 // Fall through. |
| 104 default: |
| 105 return NOT_FOUND; |
| 106 } |
| 107 UNREACHABLE(); |
| 108 return state_; |
| 109 } |
89 } | 110 } |
90 } // namespace v8::internal | 111 } // namespace v8::internal |
91 | 112 |
92 #endif // V8_LOOKUP_INL_H_ | 113 #endif // V8_LOOKUP_INL_H_ |
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