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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 24 matching lines...) Expand all Loading... |
| 35 namespace WTF { | 35 namespace WTF { |
| 36 | 36 |
| 37 void BitVector::setSlow(const BitVector& other) | 37 void BitVector::setSlow(const BitVector& other) |
| 38 { | 38 { |
| 39 uintptr_t newBitsOrPointer; | 39 uintptr_t newBitsOrPointer; |
| 40 if (other.isInline()) { | 40 if (other.isInline()) { |
| 41 newBitsOrPointer = other.m_bitsOrPointer; | 41 newBitsOrPointer = other.m_bitsOrPointer; |
| 42 } else { | 42 } else { |
| 43 OutOfLineBits* newOutOfLineBits = OutOfLineBits::create(other.size()); | 43 OutOfLineBits* newOutOfLineBits = OutOfLineBits::create(other.size()); |
| 44 memcpy(newOutOfLineBits->bits(), other.bits(), byteCount(other.size())); | 44 memcpy(newOutOfLineBits->bits(), other.bits(), byteCount(other.size())); |
| 45 newBitsOrPointer = bitwise_cast<uintptr_t>(newOutOfLineBits) >> 1; | 45 newBitsOrPointer = bitwiseCast<uintptr_t>(newOutOfLineBits) >> 1; |
| 46 } | 46 } |
| 47 if (!isInline()) | 47 if (!isInline()) |
| 48 OutOfLineBits::destroy(outOfLineBits()); | 48 OutOfLineBits::destroy(outOfLineBits()); |
| 49 m_bitsOrPointer = newBitsOrPointer; | 49 m_bitsOrPointer = newBitsOrPointer; |
| 50 } | 50 } |
| 51 | 51 |
| 52 void BitVector::resize(size_t numBits) | 52 void BitVector::resize(size_t numBits) |
| 53 { | 53 { |
| 54 if (numBits <= maxInlineBits()) { | 54 if (numBits <= maxInlineBits()) { |
| 55 if (isInline()) | 55 if (isInline()) |
| (...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 101 } else { | 101 } else { |
| 102 if (numBits > size()) { | 102 if (numBits > size()) { |
| 103 size_t oldNumWords = outOfLineBits()->numWords(); | 103 size_t oldNumWords = outOfLineBits()->numWords(); |
| 104 memcpy(newOutOfLineBits->bits(), outOfLineBits()->bits(), oldNumWord
s * sizeof(void*)); | 104 memcpy(newOutOfLineBits->bits(), outOfLineBits()->bits(), oldNumWord
s * sizeof(void*)); |
| 105 memset(newOutOfLineBits->bits() + oldNumWords, 0, (newNumWords - old
NumWords) * sizeof(void*)); | 105 memset(newOutOfLineBits->bits() + oldNumWords, 0, (newNumWords - old
NumWords) * sizeof(void*)); |
| 106 } else { | 106 } else { |
| 107 memcpy(newOutOfLineBits->bits(), outOfLineBits()->bits(), newOutOfLi
neBits->numWords() * sizeof(void*)); | 107 memcpy(newOutOfLineBits->bits(), outOfLineBits()->bits(), newOutOfLi
neBits->numWords() * sizeof(void*)); |
| 108 } | 108 } |
| 109 OutOfLineBits::destroy(outOfLineBits()); | 109 OutOfLineBits::destroy(outOfLineBits()); |
| 110 } | 110 } |
| 111 m_bitsOrPointer = bitwise_cast<uintptr_t>(newOutOfLineBits) >> 1; | 111 m_bitsOrPointer = bitwiseCast<uintptr_t>(newOutOfLineBits) >> 1; |
| 112 } | 112 } |
| 113 | 113 |
| 114 void BitVector::dump(PrintStream& out) | 114 void BitVector::dump(PrintStream& out) |
| 115 { | 115 { |
| 116 for (size_t i = 0; i < size(); ++i) { | 116 for (size_t i = 0; i < size(); ++i) { |
| 117 if (get(i)) | 117 if (get(i)) |
| 118 out.printf("1"); | 118 out.printf("1"); |
| 119 else | 119 else |
| 120 out.printf("-"); | 120 out.printf("-"); |
| 121 } | 121 } |
| 122 } | 122 } |
| 123 | 123 |
| 124 } // namespace WTF | 124 } // namespace WTF |
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