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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 |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #ifndef BitVector_h | 26 #ifndef BitVector_h |
| 27 #define BitVector_h | 27 #define BitVector_h |
| 28 | 28 |
| 29 #include "wtf/Allocator.h" | 29 #include "platform/wtf/Allocator.h" |
| 30 #include "wtf/Assertions.h" | 30 #include "platform/wtf/Assertions.h" |
| 31 #include "wtf/StdLibExtras.h" | 31 #include "platform/wtf/StdLibExtras.h" |
| 32 #include "wtf/WTFExport.h" | 32 #include "platform/wtf/WTFExport.h" |
| 33 | 33 |
| 34 namespace WTF { | 34 namespace WTF { |
| 35 | 35 |
| 36 class PrintStream; | 36 class PrintStream; |
| 37 | 37 |
| 38 // This is a space-efficient, resizeable bitvector class. In the common case it | 38 // This is a space-efficient, resizeable bitvector class. In the common case it |
| 39 // occupies one word, but if necessary, it will inflate this one word to point | 39 // occupies one word, but if necessary, it will inflate this one word to point |
| 40 // to a single chunk of out-of-line allocated storage to store an arbitrary | 40 // to a single chunk of out-of-line allocated storage to store an arbitrary |
| 41 // number of bits. | 41 // number of bits. |
| 42 // | 42 // |
| (...skipping 175 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 218 } | 218 } |
| 219 | 219 |
| 220 uintptr_t m_bitsOrPointer; | 220 uintptr_t m_bitsOrPointer; |
| 221 }; | 221 }; |
| 222 | 222 |
| 223 } // namespace WTF | 223 } // namespace WTF |
| 224 | 224 |
| 225 using WTF::BitVector; | 225 using WTF::BitVector; |
| 226 | 226 |
| 227 #endif // BitVector_h | 227 #endif // BitVector_h |
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