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Issue 360023003: Revert "Replace HeapNumber as doublebox with an explicit MutableHeapNumber." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 5 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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 /** \mainpage V8 API Reference Guide 5 /** \mainpage V8 API Reference Guide
6 * 6 *
7 * V8 is Google's open source JavaScript engine. 7 * V8 is Google's open source JavaScript engine.
8 * 8 *
9 * This set of documents provides reference material generated from the 9 * This set of documents provides reference material generated from the
10 * V8 header file, include/v8.h. 10 * V8 header file, include/v8.h.
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5579 4 * kApiPointerSize; 5579 4 * kApiPointerSize;
5580 static const int kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset = 5580 static const int kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset =
5581 kAmountOfExternalAllocatedMemoryOffset + kApiInt64Size; 5581 kAmountOfExternalAllocatedMemoryOffset + kApiInt64Size;
5582 static const int kIsolateRootsOffset = 5582 static const int kIsolateRootsOffset =
5583 kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset + kApiInt64Size + 5583 kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset + kApiInt64Size +
5584 kApiPointerSize; 5584 kApiPointerSize;
5585 static const int kUndefinedValueRootIndex = 5; 5585 static const int kUndefinedValueRootIndex = 5;
5586 static const int kNullValueRootIndex = 7; 5586 static const int kNullValueRootIndex = 7;
5587 static const int kTrueValueRootIndex = 8; 5587 static const int kTrueValueRootIndex = 8;
5588 static const int kFalseValueRootIndex = 9; 5588 static const int kFalseValueRootIndex = 9;
5589 static const int kEmptyStringRootIndex = 161; 5589 static const int kEmptyStringRootIndex = 160;
5590 5590
5591 // The external allocation limit should be below 256 MB on all architectures 5591 // The external allocation limit should be below 256 MB on all architectures
5592 // to avoid that resource-constrained embedders run low on memory. 5592 // to avoid that resource-constrained embedders run low on memory.
5593 static const int kExternalAllocationLimit = 192 * 1024 * 1024; 5593 static const int kExternalAllocationLimit = 192 * 1024 * 1024;
5594 5594
5595 static const int kNodeClassIdOffset = 1 * kApiPointerSize; 5595 static const int kNodeClassIdOffset = 1 * kApiPointerSize;
5596 static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3; 5596 static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3;
5597 static const int kNodeStateMask = 0xf; 5597 static const int kNodeStateMask = 0xf;
5598 static const int kNodeStateIsWeakValue = 2; 5598 static const int kNodeStateIsWeakValue = 2;
5599 static const int kNodeStateIsPendingValue = 3; 5599 static const int kNodeStateIsPendingValue = 3;
5600 static const int kNodeStateIsNearDeathValue = 4; 5600 static const int kNodeStateIsNearDeathValue = 4;
5601 static const int kNodeIsIndependentShift = 4; 5601 static const int kNodeIsIndependentShift = 4;
5602 static const int kNodeIsPartiallyDependentShift = 5; 5602 static const int kNodeIsPartiallyDependentShift = 5;
5603 5603
5604 static const int kJSObjectType = 0xbc; 5604 static const int kJSObjectType = 0xbb;
5605 static const int kFirstNonstringType = 0x80; 5605 static const int kFirstNonstringType = 0x80;
5606 static const int kOddballType = 0x83; 5606 static const int kOddballType = 0x83;
5607 static const int kForeignType = 0x88; 5607 static const int kForeignType = 0x87;
5608 5608
5609 static const int kUndefinedOddballKind = 5; 5609 static const int kUndefinedOddballKind = 5;
5610 static const int kNullOddballKind = 3; 5610 static const int kNullOddballKind = 3;
5611 5611
5612 static const uint32_t kNumIsolateDataSlots = 4; 5612 static const uint32_t kNumIsolateDataSlots = 4;
5613 5613
5614 V8_EXPORT static void CheckInitializedImpl(v8::Isolate* isolate); 5614 V8_EXPORT static void CheckInitializedImpl(v8::Isolate* isolate);
5615 V8_INLINE static void CheckInitialized(v8::Isolate* isolate) { 5615 V8_INLINE static void CheckInitialized(v8::Isolate* isolate) {
5616 #ifdef V8_ENABLE_CHECKS 5616 #ifdef V8_ENABLE_CHECKS
5617 CheckInitializedImpl(isolate); 5617 CheckInitializedImpl(isolate);
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6701 */ 6701 */
6702 6702
6703 6703
6704 } // namespace v8 6704 } // namespace v8
6705 6705
6706 6706
6707 #undef TYPE_CHECK 6707 #undef TYPE_CHECK
6708 6708
6709 6709
6710 #endif // V8_H_ 6710 #endif // V8_H_
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