1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtScript module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL-ONLY$

    10 ** GNU Lesser General Public License Usage

    11 ** This file may be used under the terms of the GNU Lesser

    12 ** General Public License version 2.1 as published by the Free Software

    13 ** Foundation and appearing in the file LICENSE.LGPL included in the

    14 ** packaging of this file.  Please review the following information to

    15 ** ensure the GNU Lesser General Public License version 2.1 requirements

    16 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    17 **

    18 ** If you have questions regarding the use of this file, please contact

    19 ** Nokia at qt-info@nokia.com.

    20 ** $QT_END_LICENSE$

    21 **

    22 ****************************************************************************/

    23 

    24 #ifndef QSCRIPTSTATICSCOPEOBJECT_P_H

    25 #define QSCRIPTSTATICSCOPEOBJECT_P_H

    26 

    27 //

    28 //  W A R N I N G

    29 //  -------------

    30 //

    31 // This file is not part of the Qt API.  It exists purely as an

    32 // implementation detail.  This header file may change from version to

    33 // version without notice, or even be removed.

    34 //

    35 // We mean it.

    36 //

    37 

    38 #include <QtCore/qobjectdefs.h>

    39 

    40 #include "JSVariableObject.h"

    41 

    42 QT_BEGIN_NAMESPACE

    43 

    44 class QScriptStaticScopeObject : public JSC::JSVariableObject {

    45 public:

    46     struct PropertyInfo {

    47         PropertyInfo(const JSC::Identifier& i, JSC::JSValue v, unsigned a)

    48             : identifier(i), value(v), attributes(a)

    49             { }

    50         PropertyInfo() {}

    51 

    52         JSC::Identifier identifier;

    53         JSC::JSValue value;

    54         unsigned attributes;

    55     };

    56 

    57     QScriptStaticScopeObject(WTF::NonNullPassRefPtr<JSC::Structure> structure,

    58                             int propertyCount, const PropertyInfo*);

    59     QScriptStaticScopeObject(WTF::NonNullPassRefPtr<JSC::Structure> structure);

    60     virtual ~QScriptStaticScopeObject();

    61 

    62     virtual bool isDynamicScope() const { return false; }

    63 

    64     virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&);

    65     virtual bool getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertyDescriptor&);

    66 

    67     virtual void putWithAttributes(JSC::ExecState *exec, const JSC::Identifier &propertyName, JSC::JSValue value, unsigned attributes);

    68     virtual void put(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValue value, JSC::PutPropertySlot&);

    69 

    70     virtual bool deleteProperty(JSC::ExecState*, const JSC::Identifier& propertyName);

    71 

    72     virtual void markChildren(JSC::MarkStack&);

    73 

    74     virtual const JSC::ClassInfo* classInfo() const { return &info; }

    75     static const JSC::ClassInfo info;

    76 

    77     static WTF::PassRefPtr<JSC::Structure> createStructure(JSC::JSValue proto) {

    78         return JSC::Structure::create(proto, JSC::TypeInfo(JSC::ObjectType, StructureFlags));

    79     }

    80 

    81 protected:

    82     static const unsigned StructureFlags = JSC::OverridesGetOwnPropertySlot | JSC::NeedsThisConversion | JSC::OverridesMarkChildren | JSC::OverridesGetPropertyNames | JSC::JSVariableObject::StructureFlags;

    83 

    84     struct Data : public JSVariableObjectData {

    85         Data(bool canGrow_)

    86             : JSVariableObjectData(&symbolTable, /*registers=*/0),

    87             canGrow(canGrow_), registerArraySize(0)

    88         { }

    89         bool canGrow;

    90         int registerArraySize;

    91         JSC::SymbolTable symbolTable;

    92     };

    93 

    94     Data* d_ptr() const { return static_cast<Data*>(JSVariableObject::d); }

    95 

    96 private:

    97     void addSymbolTableProperty(const JSC::Identifier&, JSC::JSValue, unsigned attributes);

    98     int growRegisterArray(int);

    99 };

   100 

   101 QT_END_NAMESPACE

   102 

   103 #endif