/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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
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** 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.
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** 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.
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****************************************************************************/

#ifndef QV4ISEL_UTIL_P_H
#define QV4ISEL_UTIL_P_H

#include "qmljs_runtime.h"
#include "qv4ir_p.h"

namespace QQmlJS {

inline VM::Value convertToValue(IR::Const *c)
{
    switch (c->type) {
    case IR::NullType:
        return VM::Value::nullValue();
    case IR::UndefinedType:
        return VM::Value::undefinedValue();
    case IR::BoolType:
        return VM::Value::fromBoolean(c->value != 0);
    case IR::NumberType: {
        int ival = (int)c->value;
        // +0 != -0, so we need to convert to double when negating 0
        if (ival == c->value && c->value != -0) {
            return VM::Value::fromInt32(ival);
        } else {
            return VM::Value::fromDouble(c->value);
        }
    }
    default:
        Q_UNREACHABLE();
    }
}

} // namespace QQmlJS

#endif // QV4ISEL_UTIL_P_H