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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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 #include "src/objects.h" | 5 #include "src/objects.h" |
6 | 6 |
7 #include <cmath> | 7 #include <cmath> |
8 #include <iomanip> | 8 #include <iomanip> |
9 #include <sstream> | 9 #include <sstream> |
10 | 10 |
11 #include "src/accessors.h" | 11 #include "src/accessors.h" |
12 #include "src/allocation-site-scopes.h" | 12 #include "src/allocation-site-scopes.h" |
13 #include "src/api.h" | 13 #include "src/api.h" |
14 #include "src/api-natives.h" | 14 #include "src/api-natives.h" |
15 #include "src/arguments.h" | 15 #include "src/arguments.h" |
16 #include "src/base/bits.h" | 16 #include "src/base/bits.h" |
17 #include "src/base/utils/random-number-generator.h" | 17 #include "src/base/utils/random-number-generator.h" |
18 #include "src/bootstrapper.h" | 18 #include "src/bootstrapper.h" |
19 #include "src/code-stubs.h" | 19 #include "src/code-stubs.h" |
20 #include "src/codegen.h" | 20 #include "src/codegen.h" |
21 #include "src/compilation-dependencies.h" | 21 #include "src/compilation-dependencies.h" |
22 #include "src/compiler.h" | 22 #include "src/compiler.h" |
23 #include "src/date.h" | 23 #include "src/date.h" |
24 #include "src/debug/debug.h" | 24 #include "src/debug/debug.h" |
25 #include "src/deoptimizer.h" | 25 #include "src/deoptimizer.h" |
26 #include "src/elements.h" | 26 #include "src/elements.h" |
27 #include "src/execution.h" | 27 #include "src/execution.h" |
| 28 #include "src/field-index-inl.h" |
28 #include "src/field-index.h" | 29 #include "src/field-index.h" |
29 #include "src/field-index-inl.h" | 30 #include "src/field-type.h" |
30 #include "src/full-codegen/full-codegen.h" | 31 #include "src/full-codegen/full-codegen.h" |
31 #include "src/ic/ic.h" | 32 #include "src/ic/ic.h" |
32 #include "src/identity-map.h" | 33 #include "src/identity-map.h" |
33 #include "src/interpreter/bytecodes.h" | 34 #include "src/interpreter/bytecodes.h" |
34 #include "src/interpreter/source-position-table.h" | 35 #include "src/interpreter/source-position-table.h" |
35 #include "src/isolate-inl.h" | 36 #include "src/isolate-inl.h" |
36 #include "src/key-accumulator.h" | 37 #include "src/key-accumulator.h" |
37 #include "src/list.h" | 38 #include "src/list.h" |
38 #include "src/log.h" | 39 #include "src/log.h" |
39 #include "src/lookup.h" | 40 #include "src/lookup.h" |
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9899 new_map->set_is_extensible(false); | 9900 new_map->set_is_extensible(false); |
9900 if (!IsFixedTypedArrayElementsKind(map->elements_kind())) { | 9901 if (!IsFixedTypedArrayElementsKind(map->elements_kind())) { |
9901 ElementsKind new_kind = IsStringWrapperElementsKind(map->elements_kind()) | 9902 ElementsKind new_kind = IsStringWrapperElementsKind(map->elements_kind()) |
9902 ? SLOW_STRING_WRAPPER_ELEMENTS | 9903 ? SLOW_STRING_WRAPPER_ELEMENTS |
9903 : DICTIONARY_ELEMENTS; | 9904 : DICTIONARY_ELEMENTS; |
9904 new_map->set_elements_kind(new_kind); | 9905 new_map->set_elements_kind(new_kind); |
9905 } | 9906 } |
9906 return new_map; | 9907 return new_map; |
9907 } | 9908 } |
9908 | 9909 |
| 9910 FieldType* DescriptorArray::GetFieldType(int descriptor_number) { |
| 9911 DCHECK(GetDetails(descriptor_number).location() == kField); |
| 9912 Object* value = GetValue(descriptor_number); |
| 9913 if (value->IsWeakCell()) { |
| 9914 if (WeakCell::cast(value)->cleared()) return FieldType::None(); |
| 9915 value = WeakCell::cast(value)->value(); |
| 9916 } |
| 9917 return FieldType::cast(value); |
| 9918 } |
9909 | 9919 |
9910 bool DescriptorArray::CanHoldValue(int descriptor, Object* value) { | 9920 bool DescriptorArray::CanHoldValue(int descriptor, Object* value) { |
9911 PropertyDetails details = GetDetails(descriptor); | 9921 PropertyDetails details = GetDetails(descriptor); |
9912 switch (details.type()) { | 9922 switch (details.type()) { |
9913 case DATA: | 9923 case DATA: |
9914 return value->FitsRepresentation(details.representation()) && | 9924 return value->FitsRepresentation(details.representation()) && |
9915 GetFieldType(descriptor)->NowContains(value); | 9925 GetFieldType(descriptor)->NowContains(value); |
9916 | 9926 |
9917 case DATA_CONSTANT: | 9927 case DATA_CONSTANT: |
9918 DCHECK(GetConstant(descriptor) != value || | 9928 DCHECK(GetConstant(descriptor) != value || |
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19985 if (cell->value() != *new_value) { | 19995 if (cell->value() != *new_value) { |
19986 cell->set_value(*new_value); | 19996 cell->set_value(*new_value); |
19987 Isolate* isolate = cell->GetIsolate(); | 19997 Isolate* isolate = cell->GetIsolate(); |
19988 cell->dependent_code()->DeoptimizeDependentCodeGroup( | 19998 cell->dependent_code()->DeoptimizeDependentCodeGroup( |
19989 isolate, DependentCode::kPropertyCellChangedGroup); | 19999 isolate, DependentCode::kPropertyCellChangedGroup); |
19990 } | 20000 } |
19991 } | 20001 } |
19992 | 20002 |
19993 } // namespace internal | 20003 } // namespace internal |
19994 } // namespace v8 | 20004 } // namespace v8 |
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