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Diffstat (limited to 'Source/JavaScriptCore/runtime/Heap.h')
| -rw-r--r-- | Source/JavaScriptCore/runtime/Heap.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/Source/JavaScriptCore/runtime/Heap.h b/Source/JavaScriptCore/runtime/Heap.h deleted file mode 100644 index c2d3bac..0000000 --- a/Source/JavaScriptCore/runtime/Heap.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) - * Copyright (C) 2001 Peter Kelly (pmk@post.com) - * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#ifndef Heap_h -#define Heap_h - -#include "HandleHeap.h" -#include "HandleStack.h" -#include "MarkStack.h" -#include "MarkedSpace.h" -#include <wtf/Forward.h> -#include <wtf/HashCountedSet.h> -#include <wtf/HashSet.h> - -namespace JSC { - - class GCActivityCallback; - class GlobalCodeBlock; - class HeapRootMarker; - class JSCell; - class JSGlobalData; - class JSValue; - class LiveObjectIterator; - class MarkStack; - class MarkedArgumentBuffer; - class RegisterFile; - class UString; - class WeakGCHandlePool; - - typedef std::pair<JSValue, UString> ValueStringPair; - typedef HashCountedSet<JSCell*> ProtectCountSet; - typedef HashCountedSet<const char*> TypeCountSet; - - enum OperationInProgress { NoOperation, Allocation, Collection }; - - class Heap { - WTF_MAKE_NONCOPYABLE(Heap); - public: - static Heap* heap(JSValue); // 0 for immediate values - static Heap* heap(JSCell*); - - static bool isMarked(const JSCell*); - static bool testAndSetMarked(const JSCell*); - static void setMarked(JSCell*); - - Heap(JSGlobalData*); - ~Heap(); - void destroy(); // JSGlobalData must call destroy() before ~Heap(). - - JSGlobalData* globalData() const { return m_globalData; } - MarkedSpace& markedSpace() { return m_markedSpace; } - MachineThreads& machineThreads() { return m_machineThreads; } - - GCActivityCallback* activityCallback(); - void setActivityCallback(PassOwnPtr<GCActivityCallback>); - - bool isBusy(); // true if an allocation or collection is in progress - void* allocate(size_t); - void collectAllGarbage(); - - void reportExtraMemoryCost(size_t cost); - - void protect(JSValue); - bool unprotect(JSValue); // True when the protect count drops to 0. - - bool contains(void*); - - size_t size() const; - size_t capacity() const; - size_t objectCount() const; - size_t globalObjectCount(); - size_t protectedObjectCount(); - size_t protectedGlobalObjectCount(); - PassOwnPtr<TypeCountSet> protectedObjectTypeCounts(); - PassOwnPtr<TypeCountSet> objectTypeCounts(); - - void pushTempSortVector(Vector<ValueStringPair>*); - void popTempSortVector(Vector<ValueStringPair>*); - - HashSet<MarkedArgumentBuffer*>& markListSet() { if (!m_markListSet) m_markListSet = new HashSet<MarkedArgumentBuffer*>; return *m_markListSet; } - - template <typename Functor> void forEach(Functor&); - - HandleSlot allocateGlobalHandle() { return m_handleHeap.allocate(); } - HandleSlot allocateLocalHandle() { return m_handleStack.push(); } - - HandleStack* handleStack() { return &m_handleStack; } - - private: - friend class JSGlobalData; - - static const size_t minExtraCost = 256; - static const size_t maxExtraCost = 1024 * 1024; - - void* allocateSlowCase(size_t); - void reportExtraMemoryCostSlowCase(size_t); - - void markRoots(); - void markProtectedObjects(HeapRootMarker&); - void markTempSortVectors(HeapRootMarker&); - - enum SweepToggle { DoNotSweep, DoSweep }; - void reset(SweepToggle); - - RegisterFile& registerFile(); - - OperationInProgress m_operationInProgress; - MarkedSpace m_markedSpace; - - ProtectCountSet m_protectedValues; - Vector<Vector<ValueStringPair>* > m_tempSortingVectors; - - HashSet<MarkedArgumentBuffer*>* m_markListSet; - - OwnPtr<GCActivityCallback> m_activityCallback; - - JSGlobalData* m_globalData; - - MachineThreads m_machineThreads; - MarkStack m_markStack; - HandleHeap m_handleHeap; - HandleStack m_handleStack; - - size_t m_extraCost; - }; - - inline bool Heap::isMarked(const JSCell* cell) - { - return MarkedSpace::isMarked(cell); - } - - inline bool Heap::testAndSetMarked(const JSCell* cell) - { - return MarkedSpace::testAndSetMarked(cell); - } - - inline void Heap::setMarked(JSCell* cell) - { - MarkedSpace::setMarked(cell); - } - - inline bool Heap::contains(void* p) - { - return m_markedSpace.contains(p); - } - - inline void Heap::reportExtraMemoryCost(size_t cost) - { - if (cost > minExtraCost) - reportExtraMemoryCostSlowCase(cost); - } - - template <typename Functor> inline void Heap::forEach(Functor& functor) - { - m_markedSpace.forEach(functor); - } - -} // namespace JSC - -#endif // Heap_h |