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Diffstat (limited to 'src/declarative/qml/qdeclarativevme_p.h')
| -rw-r--r-- | src/declarative/qml/qdeclarativevme_p.h | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/src/declarative/qml/qdeclarativevme_p.h b/src/declarative/qml/qdeclarativevme_p.h deleted file mode 100644 index d413555847..0000000000 --- a/src/declarative/qml/qdeclarativevme_p.h +++ /dev/null @@ -1,240 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QDECLARATIVEVME_P_H -#define QDECLARATIVEVME_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "qdeclarativeerror.h" -#include <private/qbitfield_p.h> -#include "qdeclarativeinstruction_p.h" -#include <private/qrecursionwatcher_p.h> - -#include <QtCore/QStack> -#include <QtCore/QString> -#include <QtCore/qelapsedtimer.h> -#include <QtCore/qcoreapplication.h> - -#include <private/qv8_p.h> -#include <private/qdeclarativeengine_p.h> -#include <private/qfinitestack_p.h> - -#include <private/qdeclarativetrace_p.h> - -QT_BEGIN_NAMESPACE - -class QObject; -class QJSValue; -class QDeclarativeScriptData; -class QDeclarativeCompiledData; -class QDeclarativeCompiledData; -class QDeclarativeContextData; - -namespace QDeclarativeVMETypes { - struct List - { - List() : type(0) {} - List(int t) : type(t) {} - - int type; - QDeclarativeListProperty<void> qListProperty; - }; -} -Q_DECLARE_TYPEINFO(QDeclarativeVMETypes::List, Q_PRIMITIVE_TYPE | Q_MOVABLE_TYPE); - -class QDeclarativeVME -{ - Q_DECLARE_TR_FUNCTIONS(QDeclarativeVME) -public: - class Interrupt { - public: - inline Interrupt(); - inline Interrupt(bool *runWhile); - inline Interrupt(int nsecs); - - inline void reset(); - inline bool shouldInterrupt() const; - private: - enum Mode { None, Time, Flag }; - Mode mode; - union { - struct { - QElapsedTimer timer; - int nsecs; - }; - bool *runWhile; - }; - }; - - QDeclarativeVME() : data(0), componentAttached(0) {} - QDeclarativeVME(void *data) : data(data), componentAttached(0) {} - - void *data; - QDeclarativeComponentAttached *componentAttached; - QList<QDeclarativeEnginePrivate::FinalizeCallback> finalizeCallbacks; - - void init(QDeclarativeContextData *, QDeclarativeCompiledData *, int start, - QDeclarativeContextData * = 0); - bool initDeferred(QObject *); - void reset(); - - QObject *execute(QList<QDeclarativeError> *errors, const Interrupt & = Interrupt()); - QDeclarativeContextData *complete(const Interrupt & = Interrupt()); - -private: - friend class QDeclarativeVMEGuard; - - QObject *run(QList<QDeclarativeError> *errors, const Interrupt & -#ifdef QML_THREADED_VME_INTERPRETER - , void ***storeJumpTable = 0 -#endif - ); - v8::Persistent<v8::Object> run(QDeclarativeContextData *, QDeclarativeScriptData *); - -#ifdef QML_THREADED_VME_INTERPRETER - static void **instructionJumpTable(); - friend class QDeclarativeCompiledData; -#endif - - QDeclarativeEngine *engine; - QRecursionNode recursion; - -#ifdef QML_ENABLE_TRACE - QDeclarativeCompiledData *rootComponent; -#endif - - QFiniteStack<QObject *> objects; - QFiniteStack<QDeclarativeVMETypes::List> lists; - - QFiniteStack<QDeclarativeAbstractBinding *> bindValues; - QFiniteStack<QDeclarativeParserStatus *> parserStatus; -#ifdef QML_ENABLE_TRACE - QFiniteStack<QDeclarativeData *> parserStatusData; -#endif - - QDeclarativeGuardedContextData rootContext; - QDeclarativeGuardedContextData creationContext; - - struct State { - enum Flag { Deferred = 0x00000001 }; - - State() : flags(0), context(0), compiledData(0), instructionStream(0) {} - quint32 flags; - QDeclarativeContextData *context; - QDeclarativeCompiledData *compiledData; - const char *instructionStream; - QBitField bindingSkipList; - }; - - QStack<State> states; - - static void blank(QFiniteStack<QDeclarativeParserStatus *> &); - static void blank(QFiniteStack<QDeclarativeAbstractBinding *> &); -}; - -// Used to check that a QDeclarativeVME that is interrupted mid-execution -// is still valid. Checks all the objects and contexts have not been -// deleted. -class QDeclarativeVMEGuard -{ -public: - QDeclarativeVMEGuard(); - ~QDeclarativeVMEGuard(); - - void guard(QDeclarativeVME *); - void clear(); - - bool isOK() const; - -private: - int m_objectCount; - QDeclarativeGuard<QObject> *m_objects; - int m_contextCount; - QDeclarativeGuardedContextData *m_contexts; -}; - -QDeclarativeVME::Interrupt::Interrupt() -: mode(None) -{ -} - -QDeclarativeVME::Interrupt::Interrupt(bool *runWhile) -: mode(Flag), runWhile(runWhile) -{ -} - -QDeclarativeVME::Interrupt::Interrupt(int nsecs) -: mode(Time), nsecs(nsecs) -{ -} - -void QDeclarativeVME::Interrupt::reset() -{ - if (mode == Time) - timer.start(); -} - -bool QDeclarativeVME::Interrupt::shouldInterrupt() const -{ - if (mode == None) { - return false; - } else if (mode == Time) { - return timer.nsecsElapsed() > nsecs; - } else if (mode == Flag) { - return !*runWhile; - } else { - return false; - } -} - -QT_END_NAMESPACE - -#endif // QDECLARATIVEVME_P_H |