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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 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 |
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| 115 // So this limit is mainly for pathological micro benchmarks. | 115 // So this limit is mainly for pathological micro benchmarks. |
| 116 const unsigned wrappersHandledByEachMinorGC = 10000; | 116 const unsigned wrappersHandledByEachMinorGC = 10000; |
| 117 if (m_nodesInNewSpace.size() >= wrappersHandledByEachMinorGC) | 117 if (m_nodesInNewSpace.size() >= wrappersHandledByEachMinorGC) |
| 118 return; | 118 return; |
| 119 | 119 |
| 120 // Casting to a Handle is safe here, since the Persistent cannot get GCd | 120 // Casting to a Handle is safe here, since the Persistent cannot get GCd |
| 121 // during the GC prologue. | 121 // during the GC prologue. |
| 122 ASSERT((*reinterpret_cast<v8::Handle<v8::Value>*>(value))->IsObject()); | 122 ASSERT((*reinterpret_cast<v8::Handle<v8::Value>*>(value))->IsObject()); |
| 123 v8::Handle<v8::Object>* wrapper = reinterpret_cast<v8::Handle<v8::Object
>*>(value); | 123 v8::Handle<v8::Object>* wrapper = reinterpret_cast<v8::Handle<v8::Object
>*>(value); |
| 124 ASSERT(V8DOMWrapper::maybeDOMWrapper(*wrapper)); | 124 ASSERT(V8DOMWrapper::maybeDOMWrapper(*wrapper)); |
| 125 ASSERT(V8Node::hasInstanceInAnyWorld(*wrapper, m_isolate)); | 125 ASSERT(V8Node::hasInstance(*wrapper, m_isolate)); |
| 126 Node* node = V8Node::toNative(*wrapper); | 126 Node* node = V8Node::toNative(*wrapper); |
| 127 // A minor DOM GC can handle only node wrappers in the main world. | 127 // A minor DOM GC can handle only node wrappers in the main world. |
| 128 // Note that node->wrapper().IsEmpty() returns true for nodes that | 128 // Note that node->wrapper().IsEmpty() returns true for nodes that |
| 129 // do not have wrappers in the main world. | 129 // do not have wrappers in the main world. |
| 130 if (node->containsWrapper()) { | 130 if (node->containsWrapper()) { |
| 131 const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); | 131 const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); |
| 132 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper)
; | 132 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper)
; |
| 133 if (activeDOMObject && activeDOMObject->hasPendingActivity()) | 133 if (activeDOMObject && activeDOMObject->hasPendingActivity()) |
| 134 return; | 134 return; |
| 135 // FIXME: Remove the special handling for image elements. | 135 // FIXME: Remove the special handling for image elements. |
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| 259 return; | 259 return; |
| 260 | 260 |
| 261 const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); | 261 const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); |
| 262 void* object = toNative(*wrapper); | 262 void* object = toNative(*wrapper); |
| 263 | 263 |
| 264 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper); | 264 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper); |
| 265 if (activeDOMObject && activeDOMObject->hasPendingActivity()) | 265 if (activeDOMObject && activeDOMObject->hasPendingActivity()) |
| 266 m_isolate->SetObjectGroupId(*value, liveRootId()); | 266 m_isolate->SetObjectGroupId(*value, liveRootId()); |
| 267 | 267 |
| 268 if (classId == v8DOMNodeClassId) { | 268 if (classId == v8DOMNodeClassId) { |
| 269 ASSERT(V8Node::hasInstanceInAnyWorld(*wrapper, m_isolate)); | 269 ASSERT(V8Node::hasInstance(*wrapper, m_isolate)); |
| 270 Node* node = static_cast<Node*>(object); | 270 Node* node = static_cast<Node*>(object); |
| 271 if (node->hasEventListeners()) | 271 if (node->hasEventListeners()) |
| 272 addReferencesForNodeWithEventListeners(m_isolate, node, v8::Pers
istent<v8::Object>::Cast(*value)); | 272 addReferencesForNodeWithEventListeners(m_isolate, node, v8::Pers
istent<v8::Object>::Cast(*value)); |
| 273 Node* root = V8GCController::opaqueRootForGC(node, m_isolate); | 273 Node* root = V8GCController::opaqueRootForGC(node, m_isolate); |
| 274 m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<in
tptr_t>(root))); | 274 m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<in
tptr_t>(root))); |
| 275 if (m_constructRetainedObjectInfos) | 275 if (m_constructRetainedObjectInfos) |
| 276 m_groupsWhichNeedRetainerInfo.append(root); | 276 m_groupsWhichNeedRetainerInfo.append(root); |
| 277 } else if (classId == v8DOMObjectClassId) { | 277 } else if (classId == v8DOMObjectClassId) { |
| 278 v8::Persistent<v8::Object>* wrapperPersistent = reinterpret_cast<v8:
:Persistent<v8::Object>*>(value); | 278 v8::Persistent<v8::Object>* wrapperPersistent = reinterpret_cast<v8:
:Persistent<v8::Object>*>(value); |
| 279 type->visitDOMWrapper(object, *wrapperPersistent, m_isolate); | 279 type->visitDOMWrapper(object, *wrapperPersistent, m_isolate); |
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| 405 { | 405 { |
| 406 v8::HandleScope handleScope(isolate); | 406 v8::HandleScope handleScope(isolate); |
| 407 v8::Local<v8::Context> context = v8::Context::New(isolate); | 407 v8::Local<v8::Context> context = v8::Context::New(isolate); |
| 408 if (context.IsEmpty()) | 408 if (context.IsEmpty()) |
| 409 return; | 409 return; |
| 410 v8::Context::Scope contextScope(context); | 410 v8::Context::Scope contextScope(context); |
| 411 V8ScriptRunner::compileAndRunInternalScript(v8String(isolate, "if (gc) gc();
"), isolate); | 411 V8ScriptRunner::compileAndRunInternalScript(v8String(isolate, "if (gc) gc();
"), isolate); |
| 412 } | 412 } |
| 413 | 413 |
| 414 } // namespace WebCore | 414 } // namespace WebCore |
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