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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 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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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 WTF_StdLibExtras_h | 26 #ifndef WTF_StdLibExtras_h |
27 #define WTF_StdLibExtras_h | 27 #define WTF_StdLibExtras_h |
28 | 28 |
29 #include <cstddef> | 29 #include <cstddef> |
30 #include "base/numerics/safe_conversions.h" | 30 #include "base/numerics/safe_conversions.h" |
31 #include "wtf/Assertions.h" | 31 #include "platform/wtf/Assertions.h" |
32 #include "wtf/CPU.h" | 32 #include "platform/wtf/CPU.h" |
33 #include "wtf/LeakAnnotations.h" | 33 #include "platform/wtf/LeakAnnotations.h" |
34 #include "wtf/Noncopyable.h" | 34 #include "platform/wtf/Noncopyable.h" |
35 #include "wtf/TypeTraits.h" | 35 #include "platform/wtf/TypeTraits.h" |
36 | 36 |
37 #if DCHECK_IS_ON() | 37 #if DCHECK_IS_ON() |
38 #include "wtf/Threading.h" | 38 #include "platform/wtf/Threading.h" |
39 #endif | 39 #endif |
40 | 40 |
41 // Use |DEFINE_STATIC_LOCAL()| to declare and define a static local variable | 41 // Use |DEFINE_STATIC_LOCAL()| to declare and define a static local variable |
42 // (|static T;|) so that it is leaked and its destructors are not called at | 42 // (|static T;|) so that it is leaked and its destructors are not called at |
43 // exit. T may also be a Blink garbage collected object, in which case it is | 43 // exit. T may also be a Blink garbage collected object, in which case it is |
44 // wrapped up by an off-heap |Persistent<T>| reference to the object, keeping | 44 // wrapped up by an off-heap |Persistent<T>| reference to the object, keeping |
45 // it alive across GCs. | 45 // it alive across GCs. |
46 // | 46 // |
47 // A |DEFINE_STATIC_LOCAL()| static should only be used on the thread it was | 47 // A |DEFINE_STATIC_LOCAL()| static should only be used on the thread it was |
48 // created on. | 48 // created on. |
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260 char (&ArrayLengthHelperFunction(T (&)[0]))[0]; | 260 char (&ArrayLengthHelperFunction(T (&)[0]))[0]; |
261 #endif | 261 #endif |
262 #define WTF_ARRAY_LENGTH(array) sizeof(::WTF::ArrayLengthHelperFunction(array)) | 262 #define WTF_ARRAY_LENGTH(array) sizeof(::WTF::ArrayLengthHelperFunction(array)) |
263 | 263 |
264 } // namespace WTF | 264 } // namespace WTF |
265 | 265 |
266 using WTF::bitwiseCast; | 266 using WTF::bitwiseCast; |
267 using WTF::safeCast; | 267 using WTF::safeCast; |
268 | 268 |
269 #endif // WTF_StdLibExtras_h | 269 #endif // WTF_StdLibExtras_h |
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