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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 #include "src/bootstrapper.h" | 5 #include "src/bootstrapper.h" |
6 | 6 |
7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
8 #include "src/api-natives.h" | 8 #include "src/api-natives.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/extensions/externalize-string-extension.h" | 10 #include "src/extensions/externalize-string-extension.h" |
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1722 return Handle<JSObject>(JSObject::cast(function->prototype())); | 1722 return Handle<JSObject>(JSObject::cast(function->prototype())); |
1723 } | 1723 } |
1724 Handle<String> inner_string = factory->InternalizeUtf8String(inner); | 1724 Handle<String> inner_string = factory->InternalizeUtf8String(inner); |
1725 DCHECK(!inner_string.is_null()); | 1725 DCHECK(!inner_string.is_null()); |
1726 Handle<Object> value = | 1726 Handle<Object> value = |
1727 Object::GetProperty(object, inner_string).ToHandleChecked(); | 1727 Object::GetProperty(object, inner_string).ToHandleChecked(); |
1728 return Handle<JSObject>::cast(value); | 1728 return Handle<JSObject>::cast(value); |
1729 } | 1729 } |
1730 | 1730 |
1731 | 1731 |
| 1732 template <typename Data> |
| 1733 Handle<JSTypedArray> CreateTypedArray(Isolate* isolate, ExternalArrayType type, |
| 1734 size_t num_elements, Data** data) { |
| 1735 size_t byte_length = num_elements * sizeof(**data); |
| 1736 Handle<JSArrayBuffer> buffer = |
| 1737 isolate->factory()->NewJSArrayBuffer(SharedFlag::kNotShared, TENURED); |
| 1738 bool is_external = (*data != nullptr); |
| 1739 if (!is_external) { |
| 1740 *data = reinterpret_cast<Data*>( |
| 1741 isolate->array_buffer_allocator()->Allocate(byte_length)); |
| 1742 } |
| 1743 JSArrayBuffer::Setup(buffer, isolate, is_external, *data, byte_length, |
| 1744 SharedFlag::kNotShared); |
| 1745 return isolate->factory()->NewJSTypedArray(type, buffer, 0, num_elements, |
| 1746 TENURED); |
| 1747 } |
| 1748 |
| 1749 |
1732 void Genesis::ConfigureUtilsObject(ContextType context_type) { | 1750 void Genesis::ConfigureUtilsObject(ContextType context_type) { |
1733 switch (context_type) { | 1751 switch (context_type) { |
1734 // We still need the utils object to find debug functions. | 1752 // We still need the utils object to find debug functions. |
1735 case DEBUG_CONTEXT: | 1753 case DEBUG_CONTEXT: |
1736 return; | 1754 return; |
1737 // Expose the natives in global if a valid name for it is specified. | 1755 // Expose the natives in global if a valid name for it is specified. |
1738 case FULL_CONTEXT: { | 1756 case FULL_CONTEXT: { |
1739 // We still need the utils object after deserialization. | 1757 // We still need the utils object after deserialization. |
1740 if (isolate()->serializer_enabled()) return; | 1758 if (isolate()->serializer_enabled()) return; |
1741 if (FLAG_expose_natives_as == NULL) break; | 1759 if (FLAG_expose_natives_as == NULL) break; |
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3259 } | 3277 } |
3260 | 3278 |
3261 | 3279 |
3262 // Called when the top-level V8 mutex is destroyed. | 3280 // Called when the top-level V8 mutex is destroyed. |
3263 void Bootstrapper::FreeThreadResources() { | 3281 void Bootstrapper::FreeThreadResources() { |
3264 DCHECK(!IsActive()); | 3282 DCHECK(!IsActive()); |
3265 } | 3283 } |
3266 | 3284 |
3267 } // namespace internal | 3285 } // namespace internal |
3268 } // namespace v8 | 3286 } // namespace v8 |
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