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path: root/src/lib/corelib/language/identifiersearch.cpp
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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Build Suite.
**
** 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.
**
****************************************************************************/

#include "identifiersearch.h"
#include <parser/qmljsast_p.h>

namespace qbs {
namespace Internal {

IdentifierSearch::IdentifierSearch()
{
}

void IdentifierSearch::start(QbsQmlJS::AST::Node *node)
{
    foreach (bool *found, m_requests)
        *found = false;
    m_numberOfFoundIds = 0;
    node->accept(this);
}

void IdentifierSearch::add(const QString &name, bool *found)
{
    m_requests.insert(name, found);
}

bool IdentifierSearch::preVisit(QbsQmlJS::AST::Node *)
{
    return m_numberOfFoundIds < m_requests.count();
}

bool IdentifierSearch::visit(QbsQmlJS::AST::IdentifierExpression *e)
{
    bool *found = m_requests.value(e->name.toString());
    if (found && !*found) {
        *found = true;
        m_numberOfFoundIds++;
    }
    return m_numberOfFoundIds < m_requests.count();
}

} // namespace Internal
} // namespace qbs