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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_LAYOUT_DESCRIPTOR_INL_H_ | 5 #ifndef V8_LAYOUT_DESCRIPTOR_INL_H_ |
| 6 #define V8_LAYOUT_DESCRIPTOR_INL_H_ | 6 #define V8_LAYOUT_DESCRIPTOR_INL_H_ |
| 7 | 7 |
| 8 #include "src/layout-descriptor.h" | 8 #include "src/layout-descriptor.h" |
| 9 | 9 |
| 10 namespace v8 { | 10 namespace v8 { |
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| 32 // descriptor reallocations. | 32 // descriptor reallocations. |
| 33 ++length; | 33 ++length; |
| 34 } | 34 } |
| 35 return Handle<LayoutDescriptor>::cast( | 35 return Handle<LayoutDescriptor>::cast( |
| 36 isolate->factory()->NewFixedTypedArray(length, kExternalUint32Array)); | 36 isolate->factory()->NewFixedTypedArray(length, kExternalUint32Array)); |
| 37 } | 37 } |
| 38 | 38 |
| 39 | 39 |
| 40 bool LayoutDescriptor::InobjectUnboxedField(int inobject_properties, | 40 bool LayoutDescriptor::InobjectUnboxedField(int inobject_properties, |
| 41 PropertyDetails details) { | 41 PropertyDetails details) { |
| 42 if (details.type() != FIELD || !details.representation().IsDouble()) { | 42 if (details.type() != DATA_FIELD || !details.representation().IsDouble()) { |
| 43 return false; | 43 return false; |
| 44 } | 44 } |
| 45 // We care only about in-object properties. | 45 // We care only about in-object properties. |
| 46 return details.field_index() < inobject_properties; | 46 return details.field_index() < inobject_properties; |
| 47 } | 47 } |
| 48 | 48 |
| 49 | 49 |
| 50 LayoutDescriptor* LayoutDescriptor::FastPointerLayout() { | 50 LayoutDescriptor* LayoutDescriptor::FastPointerLayout() { |
| 51 return LayoutDescriptor::FromSmi(Smi::FromInt(0)); | 51 return LayoutDescriptor::FromSmi(Smi::FromInt(0)); |
| 52 } | 52 } |
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| 182 // Object headers do not contain non-tagged fields. | 182 // Object headers do not contain non-tagged fields. |
| 183 if (offset_in_bytes < header_size_) return true; | 183 if (offset_in_bytes < header_size_) return true; |
| 184 int field_index = (offset_in_bytes - header_size_) / kPointerSize; | 184 int field_index = (offset_in_bytes - header_size_) / kPointerSize; |
| 185 | 185 |
| 186 return layout_descriptor_->IsTagged(field_index); | 186 return layout_descriptor_->IsTagged(field_index); |
| 187 } | 187 } |
| 188 } | 188 } |
| 189 } // namespace v8::internal | 189 } // namespace v8::internal |
| 190 | 190 |
| 191 #endif // V8_LAYOUT_DESCRIPTOR_INL_H_ | 191 #endif // V8_LAYOUT_DESCRIPTOR_INL_H_ |
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