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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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| 202 if (nodeIterator == nodeIteratorEnd) | 202 if (nodeIterator == nodeIteratorEnd) |
| 203 return; | 203 return; |
| 204 v8::UniqueId id(reinterpret_cast<intptr_t>((*nodeIterator)->unsafePersis
tent().value())); | 204 v8::UniqueId id(reinterpret_cast<intptr_t>((*nodeIterator)->unsafePersis
tent().value())); |
| 205 for (; nodeIterator != nodeIteratorEnd; ++nodeIterator) { | 205 for (; nodeIterator != nodeIteratorEnd; ++nodeIterator) { |
| 206 // This is safe because we know that GC won't happen before we | 206 // This is safe because we know that GC won't happen before we |
| 207 // dispose the UnsafePersistent (we're just preparing a GC). Though, | 207 // dispose the UnsafePersistent (we're just preparing a GC). Though, |
| 208 // we need to keep the UnsafePersistent alive until we're done with | 208 // we need to keep the UnsafePersistent alive until we're done with |
| 209 // v8::Persistent. | 209 // v8::Persistent. |
| 210 UnsafePersistent<v8::Object> unsafeWrapper = (*nodeIterator)->unsafe
Persistent(); | 210 UnsafePersistent<v8::Object> unsafeWrapper = (*nodeIterator)->unsafe
Persistent(); |
| 211 v8::Persistent<v8::Object>* wrapper = unsafeWrapper.persistent(); | 211 v8::Persistent<v8::Object>* wrapper = unsafeWrapper.persistent(); |
| 212 wrapper->MarkPartiallyDependent(isolate); | 212 wrapper->MarkPartiallyDependent(); |
| 213 // FIXME: update this to use the upcasting function which v8 will pr
ovide | 213 // FIXME: update this to use the upcasting function which v8 will pr
ovide |
| 214 v8::Persistent<v8::Value>* value = reinterpret_cast<v8::Persistent<v
8::Value>*>(wrapper); | 214 v8::Persistent<v8::Value>* value = reinterpret_cast<v8::Persistent<v
8::Value>*>(wrapper); |
| 215 isolate->SetObjectGroupId(*value, id); | 215 isolate->SetObjectGroupId(*value, id); |
| 216 } | 216 } |
| 217 } | 217 } |
| 218 | 218 |
| 219 Vector<Node*> m_nodesInNewSpace; | 219 Vector<Node*> m_nodesInNewSpace; |
| 220 v8::Isolate* m_isolate; | 220 v8::Isolate* m_isolate; |
| 221 }; | 221 }; |
| 222 | 222 |
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| 235 // during the GC prologue. | 235 // during the GC prologue. |
| 236 ASSERT((*reinterpret_cast<v8::Handle<v8::Value>*>(value))->IsObject()); | 236 ASSERT((*reinterpret_cast<v8::Handle<v8::Value>*>(value))->IsObject()); |
| 237 | 237 |
| 238 if (classId != v8DOMNodeClassId && classId != v8DOMObjectClassId) | 238 if (classId != v8DOMNodeClassId && classId != v8DOMObjectClassId) |
| 239 return; | 239 return; |
| 240 | 240 |
| 241 v8::Handle<v8::Object>* wrapper = reinterpret_cast<v8::Handle<v8::Object
>*>(value); | 241 v8::Handle<v8::Object>* wrapper = reinterpret_cast<v8::Handle<v8::Object
>*>(value); |
| 242 | 242 |
| 243 ASSERT(V8DOMWrapper::maybeDOMWrapper(*wrapper)); | 243 ASSERT(V8DOMWrapper::maybeDOMWrapper(*wrapper)); |
| 244 | 244 |
| 245 if (value->IsIndependent(m_isolate)) | 245 if (value->IsIndependent()) |
| 246 return; | 246 return; |
| 247 | 247 |
| 248 WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); | 248 WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper); |
| 249 void* object = toNative(*wrapper); | 249 void* object = toNative(*wrapper); |
| 250 | 250 |
| 251 if (V8MessagePort::info.equals(type)) { | 251 if (V8MessagePort::info.equals(type)) { |
| 252 // Mark each port as in-use if it's entangled. For simplicity's sake
, | 252 // Mark each port as in-use if it's entangled. For simplicity's sake
, |
| 253 // we assume all ports are remotely entangled, since the Chromium po
rt | 253 // we assume all ports are remotely entangled, since the Chromium po
rt |
| 254 // implementation can't tell the difference. | 254 // implementation can't tell the difference. |
| 255 MessagePort* port = static_cast<MessagePort*>(object); | 255 MessagePort* port = static_cast<MessagePort*>(object); |
| 256 if (port->isEntangled() || port->hasPendingActivity()) | 256 if (port->isEntangled() || port->hasPendingActivity()) |
| 257 m_isolate->SetObjectGroupId(*value, liveRootId()); | 257 m_isolate->SetObjectGroupId(*value, liveRootId()); |
| 258 } else if (V8MutationObserver::info.equals(type)) { | 258 } else if (V8MutationObserver::info.equals(type)) { |
| 259 // FIXME: Allow opaqueRootForGC to operate on multiple roots and mov
e this logic into V8MutationObserverCustom. | 259 // FIXME: Allow opaqueRootForGC to operate on multiple roots and mov
e this logic into V8MutationObserverCustom. |
| 260 MutationObserver* observer = static_cast<MutationObserver*>(object); | 260 MutationObserver* observer = static_cast<MutationObserver*>(object); |
| 261 HashSet<Node*> observedNodes = observer->getObservedNodes(); | 261 HashSet<Node*> observedNodes = observer->getObservedNodes(); |
| 262 for (HashSet<Node*>::iterator it = observedNodes.begin(); it != obse
rvedNodes.end(); ++it) { | 262 for (HashSet<Node*>::iterator it = observedNodes.begin(); it != obse
rvedNodes.end(); ++it) { |
| 263 v8::UniqueId id(reinterpret_cast<intptr_t>(V8GCController::opaqu
eRootForGC(*it, m_isolate))); | 263 v8::UniqueId id(reinterpret_cast<intptr_t>(V8GCController::opaqu
eRootForGC(*it, m_isolate))); |
| 264 m_isolate->SetReferenceFromGroup(id, *value); | 264 m_isolate->SetReferenceFromGroup(id, *value); |
| 265 } | 265 } |
| 266 } else { | 266 } else { |
| 267 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper)
; | 267 ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper)
; |
| 268 if (activeDOMObject && activeDOMObject->hasPendingActivity()) | 268 if (activeDOMObject && activeDOMObject->hasPendingActivity()) |
| 269 m_isolate->SetObjectGroupId(*value, liveRootId()); | 269 m_isolate->SetObjectGroupId(*value, liveRootId()); |
| 270 } | 270 } |
| 271 | 271 |
| 272 if (classId == v8DOMNodeClassId) { | 272 if (classId == v8DOMNodeClassId) { |
| 273 UNUSED_PARAM(m_isolate); | 273 UNUSED_PARAM(m_isolate); |
| 274 ASSERT(V8Node::HasInstanceInAnyWorld(*wrapper, m_isolate)); | 274 ASSERT(V8Node::HasInstanceInAnyWorld(*wrapper, m_isolate)); |
| 275 ASSERT(!value->IsIndependent(m_isolate)); | 275 ASSERT(!value->IsIndependent()); |
| 276 | 276 |
| 277 Node* node = static_cast<Node*>(object); | 277 Node* node = static_cast<Node*>(object); |
| 278 | 278 |
| 279 if (node->hasEventListeners()) | 279 if (node->hasEventListeners()) |
| 280 addReferencesForNodeWithEventListeners(m_isolate, node, v8::Pers
istent<v8::Object>::Cast(*value)); | 280 addReferencesForNodeWithEventListeners(m_isolate, node, v8::Pers
istent<v8::Object>::Cast(*value)); |
| 281 Node* root = V8GCController::opaqueRootForGC(node, m_isolate); | 281 Node* root = V8GCController::opaqueRootForGC(node, m_isolate); |
| 282 m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<in
tptr_t>(root))); | 282 m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<in
tptr_t>(root))); |
| 283 if (m_constructRetainedObjectInfos) | 283 if (m_constructRetainedObjectInfos) |
| 284 m_groupsWhichNeedRetainerInfo.append(root); | 284 m_groupsWhichNeedRetainerInfo.append(root); |
| 285 } else if (classId == v8DOMObjectClassId) { | 285 } else if (classId == v8DOMObjectClassId) { |
| 286 ASSERT(!value->IsIndependent(m_isolate)); | 286 ASSERT(!value->IsIndependent()); |
| 287 void* root = type->opaqueRootForGC(object, m_isolate); | 287 void* root = type->opaqueRootForGC(object, m_isolate); |
| 288 m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<in
tptr_t>(root))); | 288 m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<in
tptr_t>(root))); |
| 289 } else { | 289 } else { |
| 290 ASSERT_NOT_REACHED(); | 290 ASSERT_NOT_REACHED(); |
| 291 } | 291 } |
| 292 } | 292 } |
| 293 | 293 |
| 294 void notifyFinished() | 294 void notifyFinished() |
| 295 { | 295 { |
| 296 if (!m_constructRetainedObjectInfos) | 296 if (!m_constructRetainedObjectInfos) |
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| 414 { | 414 { |
| 415 v8::HandleScope handleScope(isolate); | 415 v8::HandleScope handleScope(isolate); |
| 416 v8::Local<v8::Context> context = v8::Context::New(isolate); | 416 v8::Local<v8::Context> context = v8::Context::New(isolate); |
| 417 if (context.IsEmpty()) | 417 if (context.IsEmpty()) |
| 418 return; | 418 return; |
| 419 v8::Context::Scope contextScope(context); | 419 v8::Context::Scope contextScope(context); |
| 420 V8ScriptRunner::compileAndRunInternalScript(v8String("if (gc) gc();", isolat
e), isolate); | 420 V8ScriptRunner::compileAndRunInternalScript(v8String("if (gc) gc();", isolat
e), isolate); |
| 421 } | 421 } |
| 422 | 422 |
| 423 } // namespace WebCore | 423 } // namespace WebCore |
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