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diff --git a/src/qml/jsruntime/qv4mm_p.h b/src/qml/jsruntime/qv4mm_p.h
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-/****************************************************************************
-**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the QtQml module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL21$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QV4GC_H
-#define QV4GC_H
-
-#include "qv4global_p.h"
-#include "qv4value_inl_p.h"
-#include "qv4scopedvalue_p.h"
-
-//#define DETAILED_MM_STATS
-
-QT_BEGIN_NAMESPACE
-
-namespace QV4 {
-
-struct GCDeletable;
-
-class Q_QML_EXPORT MemoryManager
-{
- Q_DISABLE_COPY(MemoryManager);
-
-public:
- struct Data;
-
- class GCBlocker
- {
- public:
- GCBlocker(MemoryManager *mm)
- : mm(mm)
- , wasBlocked(mm->isGCBlocked())
- {
- mm->setGCBlocked(true);
- }
-
- ~GCBlocker()
- {
- mm->setGCBlocked(wasBlocked);
- }
-
- private:
- MemoryManager *mm;
- bool wasBlocked;
- };
-
-public:
- MemoryManager(ExecutionEngine *engine);
- ~MemoryManager();
-
- // TODO: this is only for 64bit (and x86 with SSE/AVX), so exend it for other architectures to be slightly more efficient (meaning, align on 8-byte boundaries).
- // Note: all occurrences of "16" in alloc/dealloc are also due to the alignment.
- static inline std::size_t align(std::size_t size)
- { return (size + 15) & ~0xf; }
-
- template<typename ManagedType>
- inline typename ManagedType::Data *allocManaged(std::size_t size, std::size_t unmanagedSize = 0)
- {
- size = align(size);
- Heap::Base *o = allocData(size, unmanagedSize);
- o->vtable = ManagedType::staticVTable();
- return static_cast<typename ManagedType::Data *>(o);
- }
-
- template <typename ManagedType>
- typename ManagedType::Data *alloc()
- {
- Scope scope(engine());
- Scoped<ManagedType> t(scope, allocManaged<ManagedType>(sizeof(typename ManagedType::Data)));
- (void)new (t->d()) typename ManagedType::Data();
- return t->d();
- }
-
- template <typename ManagedType, typename Arg1>
- typename ManagedType::Data *alloc(Arg1 arg1)
- {
- Scope scope(engine());
- Scoped<ManagedType> t(scope, allocManaged<ManagedType>(sizeof(typename ManagedType::Data)));
- (void)new (t->d()) typename ManagedType::Data(arg1);
- return t->d();
- }
-
- template <typename ManagedType, typename Arg1>
- typename ManagedType::Data *allocWithStringData(std::size_t unmanagedSize, Arg1 arg1)
- {
- Scope scope(engine());
- Scoped<ManagedType> t(scope, allocManaged<ManagedType>(sizeof(typename ManagedType::Data), unmanagedSize));
- (void)new (t->d()) typename ManagedType::Data(this, arg1);
- return t->d();
- }
-
- template <typename ManagedType, typename Arg1, typename Arg2>
- typename ManagedType::Data *alloc(Arg1 arg1, Arg2 arg2)
- {
- Scope scope(engine());
- Scoped<ManagedType> t(scope, allocManaged<ManagedType>(sizeof(typename ManagedType::Data)));
- (void)new (t->d()) typename ManagedType::Data(arg1, arg2);
- return t->d();
- }
-
- template <typename ManagedType, typename Arg1, typename Arg2, typename Arg3>
- typename ManagedType::Data *alloc(Arg1 arg1, Arg2 arg2, Arg3 arg3)
- {
- Scope scope(engine());
- Scoped<ManagedType> t(scope, allocManaged<ManagedType>(sizeof(typename ManagedType::Data)));
- (void)new (t->d()) typename ManagedType::Data(arg1, arg2, arg3);
- return t->d();
- }
-
- template <typename ManagedType, typename Arg1, typename Arg2, typename Arg3, typename Arg4>
- typename ManagedType::Data *alloc(Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4)
- {
- Scope scope(engine());
- Scoped<ManagedType> t(scope, allocManaged<ManagedType>(sizeof(typename ManagedType::Data)));
- (void)new (t->d()) typename ManagedType::Data(arg1, arg2, arg3, arg4);
- return t->d();
- }
-
- template <typename ManagedType, typename Arg1, typename Arg2, typename Arg3, typename Arg4, typename Arg5>
- typename ManagedType::Data *alloc(Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4, Arg5 arg5)
- {
- Scope scope(engine());
- Scoped<ManagedType> t(scope, allocManaged<ManagedType>(sizeof(typename ManagedType::Data)));
- (void)new (t->d()) typename ManagedType::Data(arg1, arg2, arg3, arg4, arg5);
- return t->d();
- }
-
- bool isGCBlocked() const;
- void setGCBlocked(bool blockGC);
- void runGC();
-
- ExecutionEngine *engine() const;
-
- void dumpStats() const;
-
- void registerDeletable(GCDeletable *d);
-
- size_t getUsedMem() const;
- size_t getAllocatedMem() const;
- size_t getLargeItemsMem() const;
-
- void growUnmanagedHeapSizeUsage(size_t delta); // called when a JS object grows itself. Specifically: Heap::String::append
-
-protected:
- /// expects size to be aligned
- // TODO: try to inline
- Heap::Base *allocData(std::size_t size, std::size_t unmanagedSize);
-
-#ifdef DETAILED_MM_STATS
- void willAllocate(std::size_t size);
-#endif // DETAILED_MM_STATS
-
-private:
- void collectFromJSStack() const;
- void mark();
- void sweep(bool lastSweep = false);
-
-protected:
- QScopedPointer<Data> m_d;
-public:
- PersistentValueStorage *m_persistentValues;
- PersistentValueStorage *m_weakValues;
-};
-
-}
-
-QT_END_NAMESPACE
-
-#endif // QV4GC_H
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