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 QSCRIPTFUNCTION_P_H

    25 #define QSCRIPTFUNCTIOn_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/qglobal.h>

    39 

    40 #include "qscriptengine.h"

    41 

    42 #include "PrototypeFunction.h"

    43 

    44 QT_BEGIN_NAMESPACE

    45 

    46 namespace QScript

    47 {

    48 

    49 class FunctionWrapper : public JSC::PrototypeFunction // ### subclass InternalFunction instead

    50 {

    51 public:

    52     // work around CELL_SIZE limitation

    53     struct Data

    54     {

    55         QScriptEngine::FunctionSignature function;

    56     };

    57 

    58     FunctionWrapper(JSC::ExecState*, int length, const JSC::Identifier&,

    59                     QScriptEngine::FunctionSignature);

    60     ~FunctionWrapper();

    61 

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

    63     static const JSC::ClassInfo info;

    64 

    65     QScriptEngine::FunctionSignature function() const

    66     { return data->function; }

    67 

    68 private:

    69     virtual JSC::ConstructType getConstructData(JSC::ConstructData&);

    70 

    71     static JSC::JSValue JSC_HOST_CALL proxyCall(JSC::ExecState *, JSC::JSObject *,

    72                                                 JSC::JSValue, const JSC::ArgList &);

    73     static JSC::JSObject* proxyConstruct(JSC::ExecState *, JSC::JSObject *,

    74                                          const JSC::ArgList &);

    75 

    76 private:

    77     Data *data;

    78 };

    79 

    80 class FunctionWithArgWrapper : public JSC::PrototypeFunction

    81 {

    82 public:

    83     // work around CELL_SIZE limitation

    84     struct Data

    85     {

    86         QScriptEngine::FunctionWithArgSignature function;

    87         void *arg;

    88     };

    89 

    90     FunctionWithArgWrapper(JSC::ExecState*, int length, const JSC::Identifier&,

    91                            QScriptEngine::FunctionWithArgSignature, void *);

    92     ~FunctionWithArgWrapper();

    93 

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

    95     static const JSC::ClassInfo info;

    96 

    97     QScriptEngine::FunctionWithArgSignature function() const

    98     { return data->function; }

    99 

   100     void *arg() const

   101     { return data->arg; }

   102 

   103 private:

   104     virtual JSC::ConstructType getConstructData(JSC::ConstructData&);

   105 

   106     static JSC::JSValue JSC_HOST_CALL proxyCall(JSC::ExecState *, JSC::JSObject *,

   107                                                 JSC::JSValue , const JSC::ArgList &);

   108     static JSC::JSObject* proxyConstruct(JSC::ExecState *, JSC::JSObject *,

   109                                          const JSC::ArgList &);

   110 

   111 private:

   112     Data *data;

   113 };

   114 

   115 } // namespace QScript

   116 

   117 QT_END_NAMESPACE

   118 

   119 #endif