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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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.
#ifndef Patternist_CallTargetDescription_H
#define Patternist_CallTargetDescription_H
#include <QSharedData>
#include <private/qexpression_p.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
template<typename Key, typename Value> class QHash;
template<typename T> class QList;
namespace QPatternist
{
class CallSite;
/**
* @short Contains metadata for a callable component, such as a function or
* template.
*
* CallTargetDescription can be used directly and is so for templates, but
* can also be sub-classed which FunctionSignature do.
*
* @ingroup Patternist_expr
* @author Frans Englich <frans.englich@nokia.com>
*/
class Q_AUTOTEST_EXPORT CallTargetDescription : public QSharedData
{
public:
typedef QExplicitlySharedDataPointer<CallTargetDescription> Ptr;
typedef QList<Ptr> List;
CallTargetDescription(const QXmlName &name);
/**
* The function's name. For example, the name of the signature
* <tt>fn:string() as xs:string</tt> is <tt>fn:string</tt>.
*/
QXmlName name() const;
/**
* Flags callsites to be aware of their recursion by calling
* UserFunctionCallsite::configureRecursion(), if that is the case.
*
* @note We pass @p expr by value here intentionally.
*/
static void checkCallsiteCircularity(CallTargetDescription::List &signList,
const Expression::Ptr expr);
private:
/**
* Helper function for checkCallsiteCircularity(). If C++ allowed it,
* it would have been local to it.
*/
static void checkArgumentsCircularity(CallTargetDescription::List &signList,
const Expression::Ptr callsite);
Q_DISABLE_COPY(CallTargetDescription)
const QXmlName m_name;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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