| | 1 | /* |
| | 2 | * Copyright (C) 2013 Apple Inc. All rights reserved. |
| | 3 | * |
| | 4 | * Redistribution and use in source and binary forms, with or without |
| | 5 | * modification, are permitted provided that the following conditions |
| | 6 | * are met: |
| | 7 | * 1. Redistributions of source code must retain the above copyright |
| | 8 | * notice, this list of conditions and the following disclaimer. |
| | 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 10 | * notice, this list of conditions and the following disclaimer in the |
| | 11 | * documentation and/or other materials provided with the distribution. |
| | 12 | * |
| | 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| | 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| | 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| | 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| | 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| | 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| | 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| | 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| | 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| | 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| | 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| | 24 | */ |
| | 25 | |
| | 26 | #ifndef HandleBlockInlines_h |
| | 27 | #define HandleBlockInlines_h |
| | 28 | |
| | 29 | #include "BlockAllocator.h" |
| | 30 | #include "HandleBlock.h" |
| | 31 | |
| | 32 | namespace JSC { |
| | 33 | |
| | 34 | inline HandleBlock* HandleBlock::create(DeadBlock* block, HandleSet* handleSet) |
| | 35 | { |
| | 36 | Region* region = block->region(); |
| | 37 | return new (NotNull, block) HandleBlock(region, handleSet); |
| | 38 | } |
| | 39 | |
| | 40 | inline HandleBlock::HandleBlock(Region* region, HandleSet* handleSet) |
| | 41 | : HeapBlock<HandleBlock>(region) |
| | 42 | , m_handleSet(handleSet) |
| | 43 | { |
| | 44 | } |
| | 45 | |
| | 46 | inline char* HandleBlock::payloadEnd() |
| | 47 | { |
| | 48 | return reinterpret_cast<char*>(this) + region()->blockSize(); |
| | 49 | } |
| | 50 | |
| | 51 | inline char* HandleBlock::payload() |
| | 52 | { |
| | 53 | return reinterpret_cast<char*>(this) + WTF::roundUpToMultipleOf<sizeof(double)>(sizeof(HandleBlock)); |
| | 54 | } |
| | 55 | |
| | 56 | inline HandleNode* HandleBlock::nodes() |
| | 57 | { |
| | 58 | return reinterpret_cast_ptr<HandleNode*>(payload()); |
| | 59 | } |
| | 60 | |
| | 61 | inline HandleNode* HandleBlock::nodeAtIndex(unsigned i) |
| | 62 | { |
| | 63 | ASSERT(i < nodeCapacity()); |
| | 64 | return &nodes()[i]; |
| | 65 | } |
| | 66 | |
| | 67 | inline unsigned HandleBlock::nodeCapacity() |
| | 68 | { |
| | 69 | return (payloadEnd() - payload()) / sizeof(HandleNode); |
| | 70 | } |
| | 71 | |
| | 72 | } // namespace JSC |
| | 73 | |
| | 74 | #endif // HandleBlockInlines_h |
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