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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/
#ifndef QMLJS_CONTEXT_H
#define QMLJS_CONTEXT_H
#include "qmljs_global.h"
#include "qmljsvalueowner.h"
#include <QtCore/QSharedPointer>
namespace QmlJS {
class Document;
class Snapshot;
class Context;
typedef QSharedPointer<const Context> ContextPtr;
// shared among threads, completely threadsafe
class QMLJS_EXPORT Context
{
Q_DISABLE_COPY(Context)
public:
typedef QHash<const Document *, QSharedPointer<const Imports> > ImportsPerDocument;
// Context takes ownership of valueOwner
static ContextPtr create(const Snapshot &snapshot, ValueOwner *valueOwner, const ImportsPerDocument &imports);
~Context();
ContextPtr ptr() const;
ValueOwner *valueOwner() const;
Snapshot snapshot() const;
const Imports *imports(const Document *doc) const;
const ObjectValue *lookupType(const Document *doc, AST::UiQualifiedId *qmlTypeName,
AST::UiQualifiedId *qmlTypeNameEnd = 0) const;
const ObjectValue *lookupType(const Document *doc, const QStringList &qmlTypeName) const;
const Value *lookupReference(const Value *value) const;
QString defaultPropertyName(const ObjectValue *object) const;
private:
// Context takes ownership of valueOwner
Context(const Snapshot &snapshot, ValueOwner *valueOwner, const ImportsPerDocument &imports);
Snapshot _snapshot;
QSharedPointer<ValueOwner> _valueOwner;
ImportsPerDocument _imports;
QWeakPointer<const Context> _ptr;
};
// for looking up references
class QMLJS_EXPORT ReferenceContext
{
public:
// implicit conversion ok
ReferenceContext(const ContextPtr &context);
const Value *lookupReference(const Value *value);
const ContextPtr &context() const;
operator const ContextPtr &() const;
private:
const ContextPtr &m_context;
QList<const Reference *> m_references;
};
} // namespace QmlJS
#endif // QMLJS_CONTEXT_H
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