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#ifndef QQMLSCRIPTDATA_P_H
#define QQMLSCRIPTDATA_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 <private/qqmlrefcount_p.h>
#include <private/qqmlcleanup_p.h>
#include <private/qqmlscriptblob_p.h>
#include <private/qv4value_p.h>
#include <private/qv4persistent_p.h>
#include <private/qv4executablecompilationunit_p.h>

#include <QtCore/qurl.h>

QT_BEGIN_NAMESPACE

class QQmlTypeNameCache;
class QQmlContextData;

// QQmlScriptData instances are created, uninitialized, by the loader in the
// load thread.  The first time they are used by the VME, they are initialized which
// creates their v8 objects and they are referenced and added to the  engine's cleanup
// list.  During QQmlCleanup::clear() all v8 resources are destroyed, and the
// reference that was created is released but final deletion only occurs once all the
// references as released.  This is all intended to ensure that the v8 resources are
// only created and destroyed in the main thread :)
class Q_AUTOTEST_EXPORT QQmlScriptData : public QQmlCleanup, public QQmlRefCount
{
private:
    friend class QQmlTypeLoader;

    QQmlScriptData();

public:
    QUrl url;
    QString urlString;
    QQmlRefPointer<QQmlTypeNameCache> typeNameCache;
    QVector<QQmlRefPointer<QQmlScriptBlob>> scripts;

    QV4::ReturnedValue scriptValueForContext(const QQmlRefPointer<QQmlContextData> &parentCtxt);

    QQmlRefPointer<QV4::ExecutableCompilationUnit> compilationUnit() const { return m_precompiledScript; }

protected:
    void clear() override; // From QQmlCleanup

private:
    friend class QQmlScriptBlob;

    void initialize(QQmlEngine *);
    QQmlRefPointer<QQmlContextData> qmlContextDataForContext(
            const QQmlRefPointer<QQmlContextData> &parentQmlContextData);

    bool m_loaded;
    QQmlRefPointer<QV4::ExecutableCompilationUnit> m_precompiledScript;
    QV4::PersistentValue m_value;
};

QT_END_NAMESPACE

#endif // QQMLSCRIPTDATA_P_H
