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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
**************************************************************************/
#ifndef CDBSYMBOLGROUPCONTEXT_H
#define CDBSYMBOLGROUPCONTEXT_H
#include "cdbcom.h"
#include "watchhandler.h"
#include <QtCore/QString>
#include <QtCore/QVector>
#include <QtCore/QList>
#include <QtCore/QStringList>
#include <QtCore/QPair>
#include <QtCore/QMap>
#include <QtCore/QSet>
namespace Debugger {
namespace Internal {
class WatchData;
class WatchHandler;
/* A thin wrapper around the IDebugSymbolGroup2 interface which represents
* a flat list of symbols using an index (for example, belonging to a stack
* frame). It uses the hierarchical naming convention of WatchHandler as in:
* "local" (invisible root)
* "local.string" (local class variable)
* "local.string.data" (class member)
* and maintains a mapping iname -> index.
* IDebugSymbolGroup2 can "expand" expandable symbols, inserting them into the
* flat list after their parent. */
class CdbSymbolGroupContext
{
Q_DISABLE_COPY(CdbSymbolGroupContext);
explicit CdbSymbolGroupContext(const QString &prefix,
CIDebugSymbolGroup *symbolGroup);
public:
~CdbSymbolGroupContext();
static CdbSymbolGroupContext *create(const QString &prefix,
CIDebugSymbolGroup *symbolGroup,
QString *errorMessage);
QString prefix() const { return m_prefix; }
bool assignValue(const QString &iname, const QString &value,
QString *newValue /* = 0 */, QString *errorMessage);
template <class OutputIterator>
static bool populateModelInitially(CdbSymbolGroupContext *sg,
QSet<QString> expandedINames,
OutputIterator it, QString *errorMessage);
template <class OutputIterator>
static bool completeModel(CdbSymbolGroupContext *sg,
const QList<WatchData> &incompleteLocals,
OutputIterator it,
QString *errorMessage);
// Retrieve child symbols of prefix as a sequence of WatchData.
template <class OutputIterator>
bool getChildSymbols(const QString &prefix, OutputIterator it, QString *errorMessage);
WatchData symbolAt(unsigned long index) const;
bool lookupPrefix(const QString &prefix, unsigned long *index) const;
enum SymbolState { LeafSymbol, ExpandedSymbol, CollapsedSymbol };
SymbolState symbolState(unsigned long index) const;
SymbolState symbolState(const QString &prefix) const;
inline bool isExpanded(unsigned long index) const { return symbolState(index) == ExpandedSymbol; }
inline bool isExpanded(const QString &prefix) const { return symbolState(prefix) == ExpandedSymbol; }
// Helper to convert a DEBUG_VALUE structure to a string representation
static QString debugValueToString(const DEBUG_VALUE &dv, CIDebugControl *ctl, QString *type = 0, int integerBase = 10);
static bool debugValueToInteger(const DEBUG_VALUE &dv, qint64 *value);
// format an array of unsigned longs as "0x323, 0x2322, ..."
static QString hexFormatArray(const unsigned short *array, int size);
private:
typedef QMap<QString, unsigned long> NameIndexMap;
static inline bool isSymbolDisplayable(const DEBUG_SYMBOL_PARAMETERS &p);
bool init(QString *errorMessage);
void clear();
QString toString(bool verbose = false) const;
bool getChildSymbolsPosition(const QString &prefix,
unsigned long *startPos,
unsigned long *parentId,
QString *errorMessage);
bool expandSymbol(const QString &prefix, unsigned long index, QString *errorMessage);
void populateINameIndexMap(const QString &prefix, unsigned long parentId, unsigned long start, unsigned long count);
QString symbolINameAt(unsigned long index) const;
int getDisplayableChildCount(unsigned long index) const;
inline DEBUG_SYMBOL_PARAMETERS *symbolParameters() { return &(*m_symbolParameters.begin()); }
inline const DEBUG_SYMBOL_PARAMETERS *symbolParameters() const { return &(*m_symbolParameters.constBegin()); }
const QString m_prefix;
const QChar m_nameDelimiter;
CIDebugSymbolGroup *m_symbolGroup;
NameIndexMap m_inameIndexMap;
QVector<DEBUG_SYMBOL_PARAMETERS> m_symbolParameters;
int m_unnamedSymbolNumber;
};
// Helper to a sequence of WatchData into a list.
class WatchDataBackInserter
{
public:
explicit WatchDataBackInserter(QList<WatchData> &wh) : m_wh(wh) {}
inline WatchDataBackInserter & operator*() { return *this; }
inline WatchDataBackInserter &operator=(const WatchData &wd) {
m_wh.push_back(wd);
return *this;
}
inline WatchDataBackInserter &operator++() { return *this; }
private:
QList<WatchData> &m_wh;
};
} // namespace Internal
} // namespace Debugger
#include "cdbsymbolgroupcontext_tpl.h"
#endif // CDBSYMBOLGROUPCONTEXT_H
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