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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Solutions component.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSCRIPTFUNCTION_P_H
#define QSCRIPTFUNCTION_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 "qscriptobjectdata_p.h"
#include "qscriptglobals_p.h"
#include "qscriptnodepool_p.h"
#include <QList>
#ifndef QT_NO_QOBJECT
# include <QPointer>
# include <QMetaMethod>
#endif
QT_BEGIN_NAMESPACE
class QScriptContext;
class QScriptContextPrivate;
class QScriptNameIdImpl;
class QScriptFunction: public QScriptObjectData
{
public:
enum Type {
Unknown,
Script,
C,
C2,
C3,
Qt,
QtProperty
};
QScriptFunction(int len = 0)
: length(len)
{ }
virtual ~QScriptFunction();
virtual void execute(QScriptContextPrivate *context) = 0;
virtual QString toString(QScriptContextPrivate *context) const;
virtual Type type() const { return Unknown; }
// name of the file the function is defined in
virtual QString fileName() const;
virtual QString functionName() const;
virtual int startLineNumber() const;
virtual int endLineNumber() const;
virtual void mark(QScriptEnginePrivate *engine, int generation);
public: // ### private
int length;
QList<QScriptNameIdImpl*> formals;
};
namespace QScript {
// public API function
class CFunction: public QScriptFunction
{
public:
CFunction(QScriptFunctionSignature funPtr, int length)
: QScriptFunction(length), m_funPtr(funPtr)
{ }
virtual ~CFunction() { }
virtual void execute(QScriptContextPrivate *context);
virtual Type type() const { return QScriptFunction::C; }
virtual QString functionName() const;
private:
QScriptFunctionSignature m_funPtr;
};
// internal API function
class C2Function: public QScriptFunction
{
public:
C2Function(QScriptInternalFunctionSignature funPtr, int length,
QScriptClassInfo *classInfo, const QString &name)
: QScriptFunction(length), m_funPtr(funPtr),
m_classInfo(classInfo), m_name(name)
{ }
virtual ~C2Function() {}
virtual void execute(QScriptContextPrivate *context);
virtual Type type() const { return QScriptFunction::C2; }
virtual QString functionName() const;
private:
QScriptInternalFunctionSignature m_funPtr;
QScriptClassInfo *m_classInfo;
QString m_name;
};
class C3Function: public QScriptFunction
{
public:
C3Function(QScriptFunctionWithArgSignature funPtr, void *arg, int length)
: QScriptFunction(length), m_funPtr(funPtr), m_arg(arg)
{ }
virtual ~C3Function() { }
virtual void execute(QScriptContextPrivate *context);
virtual Type type() const { return QScriptFunction::C3; }
private:
QScriptFunctionWithArgSignature m_funPtr;
void *m_arg;
};
namespace AST {
class FunctionExpression;
}
// implemented in qscriptcontext_p.cpp
class ScriptFunction: public QScriptFunction
{
public:
ScriptFunction(AST::FunctionExpression *definition, NodePool *astPool):
m_definition(definition), m_astPool(astPool), m_compiledCode(0) {}
virtual ~ScriptFunction() {}
virtual void execute(QScriptContextPrivate *context);
virtual QString toString(QScriptContextPrivate *context) const;
virtual Type type() const
{ return QScriptFunction::Script; }
virtual QString fileName() const;
virtual QString functionName() const;
virtual int startLineNumber() const;
virtual int endLineNumber() const;
private:
AST::FunctionExpression *m_definition;
QExplicitlySharedDataPointer<NodePool> m_astPool;
Code *m_compiledCode;
};
} // namespace QScript
QT_END_NAMESPACE
#endif // QSCRIPTFUNCTION_P_H
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