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Diffstat (limited to 'src/qml/jsruntime/qv4mm_p.h')
| -rw-r--r-- | src/qml/jsruntime/qv4mm_p.h | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/src/qml/jsruntime/qv4mm_p.h b/src/qml/jsruntime/qv4mm_p.h deleted file mode 100644 index 00b41b796a..0000000000 --- a/src/qml/jsruntime/qv4mm_p.h +++ /dev/null @@ -1,187 +0,0 @@ -/**************************************************************************** -** -** 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) - { - size = align(size); - Heap::Base *o = allocData(size); - 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 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; - -protected: - /// expects size to be aligned - // TODO: try to inline - Heap::Base *allocData(std::size_t size); - -#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 |