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1 /* | 1 /* |
2 * Copyright (C) 2010 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2010 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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30 #include "StringImpl.h" | 30 #include "StringImpl.h" |
31 #include "wtf/DynamicAnnotations.h" | 31 #include "wtf/DynamicAnnotations.h" |
32 #include "wtf/MainThread.h" | 32 #include "wtf/MainThread.h" |
33 #include "wtf/StaticConstructors.h" | 33 #include "wtf/StaticConstructors.h" |
34 | 34 |
35 namespace WTF { | 35 namespace WTF { |
36 | 36 |
37 StringImpl* StringImpl::empty() | 37 StringImpl* StringImpl::empty() |
38 { | 38 { |
39 DEFINE_STATIC_LOCAL(StringImpl, emptyString, (ConstructEmptyString)); | 39 DEFINE_STATIC_LOCAL(StringImpl, emptyString, (ConstructEmptyString)); |
40 WTF_ANNOTATE_BENIGN_RACE(&emptyString, "Benign race on StringImpl::emptyStri
ng reference counter"); | 40 WTF_ANNOTATE_BENIGN_RACE(&emptyString, |
| 41 "Benign race on the reference counter of a static string created by Stri
ngImpl::empty"); |
41 return &emptyString; | 42 return &emptyString; |
42 } | 43 } |
43 | 44 |
| 45 StringImpl* StringImpl::empty16Bit() |
| 46 { |
| 47 DEFINE_STATIC_LOCAL(StringImpl, emptyString, (ConstructEmptyString16Bit)); |
| 48 WTF_ANNOTATE_BENIGN_RACE(&emptyString, |
| 49 "Benign race on the reference counter of a static string created by Stri
ngImpl::empty16Bit"); |
| 50 return &emptyString; |
| 51 } |
| 52 |
44 WTF_EXPORT DEFINE_GLOBAL(AtomicString, nullAtom) | 53 WTF_EXPORT DEFINE_GLOBAL(AtomicString, nullAtom) |
45 WTF_EXPORT DEFINE_GLOBAL(AtomicString, emptyAtom) | 54 WTF_EXPORT DEFINE_GLOBAL(AtomicString, emptyAtom) |
46 WTF_EXPORT DEFINE_GLOBAL(AtomicString, starAtom) | 55 WTF_EXPORT DEFINE_GLOBAL(AtomicString, starAtom) |
47 WTF_EXPORT DEFINE_GLOBAL(AtomicString, xmlAtom) | 56 WTF_EXPORT DEFINE_GLOBAL(AtomicString, xmlAtom) |
48 WTF_EXPORT DEFINE_GLOBAL(AtomicString, xmlnsAtom) | 57 WTF_EXPORT DEFINE_GLOBAL(AtomicString, xmlnsAtom) |
49 WTF_EXPORT DEFINE_GLOBAL(AtomicString, xlinkAtom) | 58 WTF_EXPORT DEFINE_GLOBAL(AtomicString, xlinkAtom) |
50 | 59 |
51 // This is not an AtomicString because it is unlikely to be used as an | 60 // This is not an AtomicString because it is unlikely to be used as an |
52 // event/element/attribute name, so it shouldn't pollute the AtomicString hash | 61 // event/element/attribute name, so it shouldn't pollute the AtomicString hash |
53 // table. | 62 // table. |
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76 | 85 |
77 // FIXME: These should be allocated at compile time. | 86 // FIXME: These should be allocated at compile time. |
78 new (NotNull, (void*)&starAtom) AtomicString("*", AtomicString::ConstructFro
mLiteral); | 87 new (NotNull, (void*)&starAtom) AtomicString("*", AtomicString::ConstructFro
mLiteral); |
79 new (NotNull, (void*)&xmlAtom) AtomicString("xml", AtomicString::ConstructFr
omLiteral); | 88 new (NotNull, (void*)&xmlAtom) AtomicString("xml", AtomicString::ConstructFr
omLiteral); |
80 new (NotNull, (void*)&xmlnsAtom) AtomicString("xmlns", AtomicString::Constru
ctFromLiteral); | 89 new (NotNull, (void*)&xmlnsAtom) AtomicString("xmlns", AtomicString::Constru
ctFromLiteral); |
81 new (NotNull, (void*)&xlinkAtom) AtomicString("xlink", AtomicString::Constru
ctFromLiteral); | 90 new (NotNull, (void*)&xlinkAtom) AtomicString("xlink", AtomicString::Constru
ctFromLiteral); |
82 new (NotNull, (void*)&xmlnsWithColon) String("xmlns:"); | 91 new (NotNull, (void*)&xmlnsWithColon) String("xmlns:"); |
83 } | 92 } |
84 | 93 |
85 } | 94 } |
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