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| 1 /* | 1 /* |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google 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. AND ITS CONTRIBUTORS ``AS IS'' | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 * THE POSSIBILITY OF SUCH DAMAGE. | 23 * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #ifndef V8ValueCache_h | 26 #ifndef V8ValueCache_h |
| 27 #define V8ValueCache_h | 27 #define V8ValueCache_h |
| 28 | 28 |
| 29 #include <v8.h> |
| 29 #include "bindings/core/v8/V8GlobalValueMap.h" | 30 #include "bindings/core/v8/V8GlobalValueMap.h" |
| 30 #include "core/CoreExport.h" | 31 #include "core/CoreExport.h" |
| 31 #include "wtf/Allocator.h" | 32 #include "wtf/Allocator.h" |
| 32 #include "wtf/HashMap.h" | 33 #include "wtf/HashMap.h" |
| 33 #include "wtf/Noncopyable.h" | 34 #include "wtf/Noncopyable.h" |
| 34 #include "wtf/RefPtr.h" | 35 #include "wtf/RefPtr.h" |
| 35 #include "wtf/text/AtomicString.h" | 36 #include "wtf/text/AtomicString.h" |
| 36 #include "wtf/text/WTFString.h" | 37 #include "wtf/text/WTFString.h" |
| 37 #include <v8.h> | |
| 38 | 38 |
| 39 namespace blink { | 39 namespace blink { |
| 40 | 40 |
| 41 class StringCacheMapTraits | 41 class StringCacheMapTraits |
| 42 : public V8GlobalValueMapTraits<StringImpl*, | 42 : public V8GlobalValueMapTraits<StringImpl*, |
| 43 v8::String, | 43 v8::String, |
| 44 v8::kWeakWithParameter> { | 44 v8::kWeakWithParameter> { |
| 45 STATIC_ONLY(StringCacheMapTraits); | 45 STATIC_ONLY(StringCacheMapTraits); |
| 46 | 46 |
| 47 public: | 47 public: |
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| 114 | 114 |
| 115 // Note: RefPtr is a must as we cache by StringImpl* equality, not identity | 115 // Note: RefPtr is a must as we cache by StringImpl* equality, not identity |
| 116 // hence lastStringImpl might be not a key of the cache (in sense of identity) | 116 // hence lastStringImpl might be not a key of the cache (in sense of identity) |
| 117 // and hence it's not refed on addition. | 117 // and hence it's not refed on addition. |
| 118 RefPtr<StringImpl> m_lastStringImpl; | 118 RefPtr<StringImpl> m_lastStringImpl; |
| 119 }; | 119 }; |
| 120 | 120 |
| 121 } // namespace blink | 121 } // namespace blink |
| 122 | 122 |
| 123 #endif // V8ValueCache_h | 123 #endif // V8ValueCache_h |
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