/****************************************************************************
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** This file is part of the QtQml module of the Qt Toolkit.
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#ifndef QQMLJSSOURCELOCATION_P_H
#define QQMLJSSOURCELOCATION_P_H

#include <QtCore/qglobal.h>
#include <QtCore/qhashfunctions.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.
//

QT_BEGIN_NAMESPACE

namespace QQmlJS {

class SourceLocation
{
public:
    explicit SourceLocation(quint32 offset = 0, quint32 length = 0, quint32 line = 0, quint32 column = 0)
        : offset(offset), length(length),
          startLine(line), startColumn(column)
    { }

    bool isValid() const { return length != 0; }

    quint32 begin() const { return offset; }
    quint32 end() const { return offset + length; }

// attributes
    // ### encode
    quint32 offset;
    quint32 length;
    quint32 startLine;
    quint32 startColumn;

    friend size_t qHash(const SourceLocation &location, size_t seed = 0)
    {
        return qHashMulti(seed, location.offset, location.length,
                          location.startLine, location.startColumn);
    }

    friend bool operator==(const SourceLocation &a, const SourceLocation &b)
    {
        return a.offset == b.offset && a.length == b.length
                && a.startLine == b.startLine && a.startColumn == b.startColumn;
    }
};

} // namespace QQmlJS

QT_END_NAMESPACE

#endif