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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://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** 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.
**
****************************************************************************/
#ifndef QBS_ITEMREADER_H
#define QBS_ITEMREADER_H
#include "forward_decls.h"
#include <logging/logger.h>
#include <QHash>
#include <QSet>
#include <QStack>
#include <QStringList>
namespace qbs {
namespace Internal {
class BuiltinDeclarations;
class Item;
class ItemPool;
struct ItemReaderResult
{
ItemReaderResult()
: rootItem(0)
{}
Item *rootItem;
};
/*
* Reads a qbs file and creates a tree of Item objects.
*
* In this stage the following steps are performed:
* - The QML/JS parser creates the AST.
* - The AST is converted to a tree of Item objects.
*
* This class is also responsible for the QMLish inheritance semantics.
*/
class ItemReader
{
friend class ItemReaderASTVisitor;
public:
ItemReader(BuiltinDeclarations *builtins, const Logger &logger);
~ItemReader();
BuiltinDeclarations *builtins() const { return m_builtins; }
Logger logger() const { return m_logger; }
void setPool(ItemPool *pool) { m_pool = pool; }
void setSearchPaths(const QStringList &searchPaths);
void pushExtraSearchPaths(const QStringList &extraSearchPaths);
void popExtraSearchPaths();
QStringList searchPaths() const;
Item *readFile(const QString &filePath);
QSet<QString> filesRead() const;
private:
ItemReaderResult internalReadFile(const QString &filePath);
void cacheDirectoryEntries(const QString &dirPath, const QStringList &entries);
bool findDirectoryEntries(const QString &dirPath, QStringList *entries) const;
ItemPool *m_pool;
BuiltinDeclarations *m_builtins;
Logger m_logger;
QStringList m_searchPaths;
QStack<QStringList> m_extraSearchPaths;
QHash<const Item *, QSet<JSSourceValuePtr> > m_conditionalValuesPerScopeItem;
class ASTCache;
ASTCache *m_astCache;
QSet<QString> m_filesRead;
QHash<QString, QStringList> m_directoryEntries;
};
} // namespace Internal
} // namespace qbs
#endif // QBS_ITEMREADER_H
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