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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 |
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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()) |
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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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