/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
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//
//  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_FunctionCall_H
#define Patternist_FunctionCall_H

#include <private/qunlimitedcontainer_p.h>
#include <private/qfunctionsignature_p.h>
#include <private/qxpathhelper_p.h>

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Base class for implementations of builtin functions.
     *
     * However, it doesn't handle user declared functions.
     *
     * @ingroup Patternist_functions
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class FunctionCall : public UnlimitedContainer
    {
    public:
        typedef QExplicitlySharedDataPointer<FunctionCall> Ptr;

        virtual SequenceType::List expectedOperandTypes() const;
        virtual SequenceType::Ptr staticType() const;

        virtual void setSignature(const FunctionSignature::Ptr &sign);
        virtual FunctionSignature::Ptr signature() const;

        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
                                          const SequenceType::Ptr &reqType);

        virtual Expression::Properties properties() const;

        virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;

        virtual ID id() const;

    private:
        FunctionSignature::Ptr m_signature;
    };
}

QT_END_NAMESPACE

#endif