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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 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 are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef ScriptWrappable_h | 31 #ifndef ScriptWrappable_h |
| 32 #define ScriptWrappable_h | 32 #define ScriptWrappable_h |
| 33 | 33 |
| 34 #include "bindings/core/v8/WrapperTypeInfo.h" | 34 #include "bindings/core/v8/WrapperTypeInfo.h" |
| 35 #include "core/dom/ScriptForbiddenScope.h" | |
| 36 #include "platform/heap/Handle.h" | 35 #include "platform/heap/Handle.h" |
| 37 #include <v8.h> | 36 #include <v8.h> |
| 38 | 37 |
| 39 // Helper to call webCoreInitializeScriptWrappableForInterface in the global nam
espace. | 38 // Helper to call webCoreInitializeScriptWrappableForInterface in the global nam
espace. |
| 40 template <class C> inline void initializeScriptWrappableHelper(C* object) | 39 template <class C> inline void initializeScriptWrappableHelper(C* object) |
| 41 { | 40 { |
| 42 void webCoreInitializeScriptWrappableForInterface(C*); | 41 void webCoreInitializeScriptWrappableForInterface(C*); |
| 43 webCoreInitializeScriptWrappableForInterface(object); | 42 webCoreInitializeScriptWrappableForInterface(object); |
| 44 } | 43 } |
| 45 | 44 |
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| 259 setTypeInfo(toWrapperTypeInfo(wrapper)); | 258 setTypeInfo(toWrapperTypeInfo(wrapper)); |
| 260 } | 259 } |
| 261 | 260 |
| 262 // If zero, then this contains nothing, otherwise: | 261 // If zero, then this contains nothing, otherwise: |
| 263 // If the bottom bit it set, then this contains a pointer to a wrapper obj
ect in the remainging bits. | 262 // If the bottom bit it set, then this contains a pointer to a wrapper obj
ect in the remainging bits. |
| 264 // If the bottom bit is clear, then this contains a pointer to the wrapper
type info in the remaining bits. | 263 // If the bottom bit is clear, then this contains a pointer to the wrapper
type info in the remaining bits. |
| 265 uintptr_t m_wrapperOrTypeInfo; | 264 uintptr_t m_wrapperOrTypeInfo; |
| 266 | 265 |
| 267 static void setWeakCallback(const v8::WeakCallbackData<v8::Object, ScriptWra
ppable>& data) | 266 static void setWeakCallback(const v8::WeakCallbackData<v8::Object, ScriptWra
ppable>& data) |
| 268 { | 267 { |
| 269 ScriptForbiddenScope forbiddenScope; | |
| 270 v8::Persistent<v8::Object> persistent; | 268 v8::Persistent<v8::Object> persistent; |
| 271 data.GetParameter()->getPersistent(&persistent); | 269 data.GetParameter()->getPersistent(&persistent); |
| 272 ASSERT(persistent == data.GetValue()); | 270 ASSERT(persistent == data.GetValue()); |
| 273 data.GetParameter()->disposeWrapper(data.GetValue()); | 271 data.GetParameter()->disposeWrapper(data.GetValue()); |
| 274 | 272 |
| 275 // FIXME: I noticed that 50%~ of minor GC cycle times can be consumed | 273 // FIXME: I noticed that 50%~ of minor GC cycle times can be consumed |
| 276 // inside data.GetParameter()->deref(), which causes Node destructions.
We should | 274 // inside data.GetParameter()->deref(), which causes Node destructions.
We should |
| 277 // make Node destructions incremental. | 275 // make Node destructions incremental. |
| 278 releaseObject(data.GetValue()); | 276 releaseObject(data.GetValue()); |
| 279 } | 277 } |
| 280 }; | 278 }; |
| 281 | 279 |
| 282 } // namespace WebCore | 280 } // namespace WebCore |
| 283 | 281 |
| 284 #endif // ScriptWrappable_h | 282 #endif // ScriptWrappable_h |
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