| /* |
| * Copyright (C) 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "ArrayStorage.h" |
| #include "IndexingHeader.h" |
| #include "Structure.h" |
| |
| namespace JSC { |
| |
| inline size_t IndexingHeader::preCapacity(Structure* structure) |
| { |
| if (LIKELY(!hasAnyArrayStorage(structure->indexingType()))) |
| return 0; |
| |
| return arrayStorage()->m_indexBias; |
| } |
| |
| inline size_t IndexingHeader::indexingPayloadSizeInBytes(Structure* structure) |
| { |
| switch (structure->indexingType()) { |
| case ALL_UNDECIDED_INDEXING_TYPES: |
| case ALL_INT32_INDEXING_TYPES: |
| case ALL_DOUBLE_INDEXING_TYPES: |
| case ALL_CONTIGUOUS_INDEXING_TYPES: |
| return vectorLength() * sizeof(EncodedJSValue); |
| |
| case ALL_ARRAY_STORAGE_INDEXING_TYPES: |
| return ArrayStorage::sizeFor(arrayStorage()->vectorLength()); |
| |
| default: |
| ASSERT(!hasIndexedProperties(structure->indexingType())); |
| return 0; |
| } |
| } |
| |
| } // namespace JSC |
