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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <qscriptengine.h>
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#include <QtCore/QFile>
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#include <QtCore/QTextStream>
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#include <QTest>
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#include <qstringlist.h>
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#include <stdlib.h>
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#include <qsharedmemory.h>
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#include <qsystemsemaphore.h>
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#include <qsystemlock.h>
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class ScriptSystemSemaphore : public QObject
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{
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Q_OBJECT
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public:
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ScriptSystemSemaphore(QObject *parent = 0) : QObject(parent), ss(QString())
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{
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}
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public slots:
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bool acquire()
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{
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return ss.acquire();
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};
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bool release(int n = 1)
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{
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return ss.release(n);
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};
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void setKey(const QString &key, int n = 0)
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{
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ss.setKey(key, n);
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};
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QString key() const
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{
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return ss.key();
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}
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private:
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QSystemSemaphore ss;
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};
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class ScriptSystemLock : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QString key WRITE setKey READ key)
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public:
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ScriptSystemLock(QObject *parent = 0) : QObject(parent), sl(QString())
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{
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}
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public slots:
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bool lockReadOnly()
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{
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return sl.lock(QSystemLock::ReadOnly);
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}
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bool lock()
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{
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return sl.lock();
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};
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bool unlock()
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{
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return sl.unlock();
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};
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void setKey(const QString &key)
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{
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sl.setKey(key);
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};
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QString key() const
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{
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return sl.key();
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}
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private:
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QSystemLock sl;
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};
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class ScriptSharedMemory : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(bool attached READ isAttached)
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Q_PROPERTY(QString key WRITE setKey READ key)
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public:
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enum SharedMemoryError
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{
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NoError = 0,
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PermissionDenied = 1,
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InvalidSize = 2,
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KeyError = 3,
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AlreadyExists = 4,
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NotFound = 5,
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LockError = 6,
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OutOfResources = 7,
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UnknownError = 8
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};
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ScriptSharedMemory(QObject *parent = 0) : QObject(parent)
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{
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}
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public slots:
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void sleep(int x) const
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{
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QTest::qSleep(x);
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}
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bool create(int size)
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{
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return sm.create(size);
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};
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bool createReadOnly(int size)
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{
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return sm.create(size, QSharedMemory::ReadOnly);
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};
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int size() const
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{
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return sm.size();
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};
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bool attach()
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{
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return sm.attach();
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};
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bool attachReadOnly()
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{
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return sm.attach(QSharedMemory::ReadOnly);
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};
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bool isAttached() const
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{
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return sm.isAttached();
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};
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bool detach()
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{
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return sm.detach();
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};
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int error() const
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{
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return (int)sm.error();
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};
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QString errorString() const
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{
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return sm.errorString();
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};
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void set(int i, QChar value)
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{
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((char*)sm.data())[i] = value.toLatin1();
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}
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QString get(int i)
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{
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return QChar::fromLatin1(((char*)sm.data())[i]);
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}
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char *data() const
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{
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return (char*)sm.data();
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};
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void setKey(const QString &key)
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{
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sm.setKey(key);
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};
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QString key() const
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{
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return sm.key();
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}
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bool lock()
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{
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return sm.lock();
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}
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bool unlock()
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{
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return sm.unlock();
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}
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private:
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QSharedMemory sm;
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};
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Q_SCRIPT_DECLARE_QMETAOBJECT(ScriptSharedMemory, QObject*);
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Q_SCRIPT_DECLARE_QMETAOBJECT(ScriptSystemLock, QObject*);
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Q_SCRIPT_DECLARE_QMETAOBJECT(ScriptSystemSemaphore, QObject*);
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static void interactive(QScriptEngine &eng)
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{
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#ifdef Q_OS_WINCE
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fprintf(stderr, "Interactive mode not supported on Windows CE\n");
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return;
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#endif
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QTextStream qin(stdin, QFile::ReadOnly);
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const char *qscript_prompt = "qs> ";
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const char *dot_prompt = ".... ";
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const char *prompt = qscript_prompt;
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QString code;
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forever {
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QString line;
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printf("%s", prompt);
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fflush(stdout);
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line = qin.readLine();
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if (line.isNull())
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break;
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code += line;
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code += QLatin1Char('\n');
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if (line.trimmed().isEmpty()) {
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continue;
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} else if (! eng.canEvaluate(code)) {
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prompt = dot_prompt;
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} else {
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QScriptValue result = eng.evaluate(code);
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code.clear();
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prompt = qscript_prompt;
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if (!result.isUndefined())
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fprintf(stderr, "%s\n", qPrintable(result.toString()));
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}
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}
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}
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int main(int argc, char *argv[])
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{
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QCoreApplication app(argc, argv);
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QScriptEngine eng;
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QScriptValue globalObject = eng.globalObject();
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QScriptValue sm = qScriptValueFromQMetaObject<ScriptSharedMemory>(&eng);
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eng.globalObject().setProperty("ScriptSharedMemory", sm);
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QScriptValue sl = qScriptValueFromQMetaObject<ScriptSystemLock>(&eng);
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eng.globalObject().setProperty("ScriptSystemLock", sl);
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QScriptValue ss = qScriptValueFromQMetaObject<ScriptSystemSemaphore>(&eng);
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eng.globalObject().setProperty("ScriptSystemSemaphore", ss);
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if (! *++argv) {
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interactive(eng);
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return EXIT_SUCCESS;
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}
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QStringList arguments = app.arguments();
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arguments.takeFirst();
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while (!arguments.isEmpty()) {
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QString fn = arguments.takeFirst();
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if (fn == QLatin1String("-i")) {
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interactive(eng);
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break;
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}
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QString contents;
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if (fn == QLatin1String("-")) {
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QTextStream stream(stdin, QFile::ReadOnly);
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contents = stream.readAll();
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} else {
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QFile file(fn);
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if (!file.exists()) {
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fprintf(stderr, "%s doesn't exists\n", qPrintable(fn));
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return EXIT_FAILURE;
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}
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if (file.open(QFile::ReadOnly)) {
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QTextStream stream(&file);
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contents = stream.readAll();
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file.close();
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}
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}
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if (contents.isEmpty())
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continue;
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if (contents[0] == '#') {
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contents.prepend("//");
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QScriptValue args = eng.newArray();
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args.setProperty("0", QScriptValue(&eng, fn));
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int i = 1;
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while (!arguments.isEmpty())
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args.setProperty(i++, QScriptValue(&eng, arguments.takeFirst()));
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eng.currentContext()->activationObject().setProperty("args", args);
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}
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QScriptValue r = eng.evaluate(contents);
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if (eng.hasUncaughtException()) {
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int line = eng.uncaughtExceptionLineNumber();
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fprintf(stderr, "%d: %s\n\t%s\n\n", line, qPrintable(fn), qPrintable(r.toString()));
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return EXIT_FAILURE;
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}
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if (r.isNumber())
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return r.toInt32();
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}
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return EXIT_SUCCESS;
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}
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#include "main.moc"
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