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/* This file is part of KDevelop
Copyright 2010 Aleix Pol Gonzalez <aleixpol@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KDEVPLATFORM_DATAACCESS_H
#define KDEVPLATFORM_DATAACCESS_H
#include <language/languageexport.h>
#include <language/editor/rangeinrevision.h>
namespace KDevelop {
class Declaration;
/**
* @brief Represents a data access in some code
*
* This class provides the position of a data access in the code
* and tells us whether it's writing or reading the data.
*/
class KDEVPLATFORMLANGUAGE_EXPORT DataAccess
{
public:
/** Defines the flags that will tell what this data access is about */
enum DataAccessFlag {
None = 0,
Read = 1, /**< This data access reads data */
Write = 2, /**< This data access writes data */
Call = 4 /**< This call is modifying some outsider data*/
};
Q_DECLARE_FLAGS(DataAccessFlags, DataAccessFlag)
/** Constructs a DataAccess instance with its @p cur position and
* its @p flags DataAccessFlags that will tell us how is it modifying the data.
* In case it's a Write, a @p range can be provided
*/
DataAccess(const CursorInRevision& cur, DataAccessFlags flags, const KDevelop::RangeInRevision& range);
/** Checks the flags and returns if it's reading the data */
bool isRead() const;
/** Checks the flags and returns if it's writing the data */
bool isWrite() const;
/** Checks the flags and returns if it's just some call */
bool isCall() const;
/** @returns the cursor */
KDevelop::CursorInRevision pos() const;
/** @returns the flags that specify how is this access interacting with the data */
DataAccessFlags flags() const;
/** @returns the range that contains the written value in case it's a Write access */
KDevelop::RangeInRevision value() const;
private:
DataAccessFlags m_flags;
KDevelop::CursorInRevision m_pos;
KDevelop::RangeInRevision m_value;
};
}
#endif
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