forked from qt-creator/qt-creator
414 lines
12 KiB
C++
414 lines
12 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "stackhandler.h"
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#include "debuggeractions.h"
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#include <utils/qtcassert.h>
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#include <QtCore/QAbstractTableModel>
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#include <QtCore/QDebug>
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#include <QtCore/QFileInfo>
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#include <QtCore/QDir>
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namespace Debugger {
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namespace Internal {
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StackFrame::StackFrame()
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: level(0), line(0)
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{}
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void StackFrame::clear()
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{
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line = level = 0;
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function.clear();
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file.clear();
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from.clear();
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to.clear();
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address.clear();
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}
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bool StackFrame::isUsable() const
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{
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return !file.isEmpty() && QFileInfo(file).isReadable();
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}
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QString StackFrame::toString() const
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{
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QString res;
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QTextStream str(&res);
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str << StackHandler::tr("Address:") << ' ' << address << ' '
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<< StackHandler::tr("Function:") << ' ' << function << ' '
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<< StackHandler::tr("File:") << ' ' << file << ' '
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<< StackHandler::tr("Line:") << ' ' << line << ' '
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<< StackHandler::tr("From:") << ' ' << from << ' '
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<< StackHandler::tr("To:") << ' ' << to;
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return res;
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}
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QString StackFrame::toToolTip() const
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{
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QString res;
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QTextStream str(&res);
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str << "<html><body><table>"
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<< "<tr><td>" << StackHandler::tr("Address:") << "</td><td>" << address << "</td></tr>"
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<< "<tr><td>" << StackHandler::tr("Function:") << "</td><td>" << function << "</td></tr>"
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<< "<tr><td>" << StackHandler::tr("File:") << "</td><td>" << QDir::toNativeSeparators(file) << "</td></tr>"
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<< "<tr><td>" << StackHandler::tr("Line:") << "</td><td>" << line << "</td></tr>"
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<< "<tr><td>" << StackHandler::tr("From:") << "</td><td>" << from << "</td></tr>"
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<< "<tr><td>" << StackHandler::tr("To:") << "</td><td>" << to << "</td></tr>"
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<< "</table></body></html>";
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return res;
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}
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QDebug operator<<(QDebug d, const StackFrame &f)
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{
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QString res;
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QTextStream str(&res);
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str << "level=" << f.level << " address=" << f.address;
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if (!f.function.isEmpty())
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str << ' ' << f.function;
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if (!f.file.isEmpty())
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str << ' ' << f.file << ':' << f.line;
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if (!f.from.isEmpty())
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str << " from=" << f.from;
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if (!f.to.isEmpty())
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str << " to=" << f.to;
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d.nospace() << res;
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return d;
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}
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////////////////////////////////////////////////////////////////////////
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//
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// StackHandler
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//
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////////////////////////////////////////////////////////////////////////
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StackHandler::StackHandler(QObject *parent)
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: QAbstractTableModel(parent),
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m_positionIcon(QIcon(":/debugger/images/location.svg")),
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m_emptyIcon(QIcon(":/debugger/images/empty.svg"))
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{
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m_currentIndex = 0;
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m_canExpand = false;
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connect(theDebuggerAction(OperateByInstruction), SIGNAL(triggered()),
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this, SLOT(resetModel()));
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}
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int StackHandler::rowCount(const QModelIndex &parent) const
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{
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// Since the stack is not a tree, row count is 0 for any valid parent
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return parent.isValid() ? 0 : (m_stackFrames.size() + m_canExpand);
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}
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int StackHandler::columnCount(const QModelIndex &parent) const
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{
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return parent.isValid() ? 0 : 5;
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}
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QVariant StackHandler::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid() || index.row() >= m_stackFrames.size() + m_canExpand)
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return QVariant();
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if (index.row() == m_stackFrames.size()) {
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if (role == Qt::DisplayRole && index.column() == 0)
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return tr("...");
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if (role == Qt::DisplayRole && index.column() == 1)
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return tr("<More>");
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if (role == Qt::DecorationRole && index.column() == 0)
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return m_emptyIcon;
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return QVariant();
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}
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const StackFrame &frame = m_stackFrames.at(index.row());
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if (role == Qt::DisplayRole) {
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switch (index.column()) {
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case 0: // Stack frame level
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return QString::number(frame.level);
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case 1: // Function name
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return frame.function;
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case 2: // File name
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return frame.file.isEmpty() ? frame.from : QFileInfo(frame.file).fileName();
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case 3: // Line number
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return frame.line;
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case 4: // Address
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return frame.address;
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}
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return QVariant();
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}
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if (role == Qt::ToolTipRole) {
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//: Tooltip for variable
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return frame.toToolTip();
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}
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if (role == Qt::DecorationRole && index.column() == 0) {
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// Return icon that indicates whether this is the active stack frame
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return (index.row() == m_currentIndex) ? m_positionIcon : m_emptyIcon;
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}
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if (role == Qt::UserRole)
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return QVariant::fromValue(frame);
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return QVariant();
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}
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QVariant StackHandler::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
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switch (section) {
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case 0: return tr("Level");
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case 1: return tr("Function");
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case 2: return tr("File");
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case 3: return tr("Line");
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case 4: return tr("Address");
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};
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}
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return QVariant();
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}
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Qt::ItemFlags StackHandler::flags(const QModelIndex &index) const
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{
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if (index.row() >= m_stackFrames.size() + m_canExpand)
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return 0;
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if (index.row() == m_stackFrames.size())
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return QAbstractTableModel::flags(index);
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const StackFrame &frame = m_stackFrames.at(index.row());
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const bool isValid = (frame.isUsable() && !frame.function.isEmpty())
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|| theDebuggerBoolSetting(OperateByInstruction);
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return isValid ? QAbstractTableModel::flags(index) : Qt::ItemFlags(0);
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}
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StackFrame StackHandler::currentFrame() const
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{
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QTC_ASSERT(m_currentIndex >= 0, return StackFrame());
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QTC_ASSERT(m_currentIndex < m_stackFrames.size(), return StackFrame());
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return m_stackFrames.at(m_currentIndex);
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}
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void StackHandler::setCurrentIndex(int level)
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{
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if (level == m_currentIndex)
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return;
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// Emit changed for previous frame
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QModelIndex i = index(m_currentIndex, 0);
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emit dataChanged(i, i);
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m_currentIndex = level;
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// Emit changed for new frame
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i = index(m_currentIndex, 0);
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emit dataChanged(i, i);
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}
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void StackHandler::removeAll()
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{
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m_stackFrames.clear();
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m_currentIndex = 0;
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reset();
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}
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void StackHandler::setFrames(const QList<StackFrame> &frames, bool canExpand)
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{
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m_canExpand = canExpand;
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m_stackFrames = frames;
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if (m_currentIndex >= m_stackFrames.size())
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m_currentIndex = m_stackFrames.size() - 1;
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reset();
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}
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QList<StackFrame> StackHandler::frames() const
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{
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return m_stackFrames;
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}
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bool StackHandler::isDebuggingDebuggingHelpers() const
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{
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for (int i = m_stackFrames.size(); --i >= 0; )
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if (m_stackFrames.at(i).function.startsWith(QLatin1String("qDumpObjectData")))
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return true;
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return false;
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}
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////////////////////////////////////////////////////////////////////////
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//
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// ThreadsHandler
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//
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////////////////////////////////////////////////////////////////////////
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ThreadData::ThreadData(int threadId) :
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id(threadId),
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address(0),
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line(-1)
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{
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}
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void ThreadData::notifyRunning()
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{
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address = 0;
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function.clear();
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file.clear();
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line = -1;
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}
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enum { IdColumn, AddressColumn, FunctionColumn, FileColumn, LineColumn, ColumnCount };
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ThreadsHandler::ThreadsHandler(QObject *parent) :
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QAbstractTableModel(parent),
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m_currentIndex(0),
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m_positionIcon(QLatin1String(":/debugger/images/location.svg")),
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m_emptyIcon(QLatin1String(":/debugger/images/empty.svg"))
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{
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}
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int ThreadsHandler::rowCount(const QModelIndex &parent) const
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{
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// Since the stack is not a tree, row count is 0 for any valid parent
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return parent.isValid() ? 0 : m_threads.size();
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}
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int ThreadsHandler::columnCount(const QModelIndex &parent) const
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{
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return parent.isValid() ? 0 : int(ColumnCount);
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}
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QVariant ThreadsHandler::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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const int row = index.row();
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if (row >= m_threads.size())
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return QVariant();
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const ThreadData &thread = m_threads.at(row);
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if (role == Qt::DisplayRole) {
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switch (index.column()) {
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case IdColumn:
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return thread.id;
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case FunctionColumn:
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return thread.function;
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case FileColumn:
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return thread.file;
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case LineColumn:
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return thread.line >= 0 ? QString::number(thread.line) : QString();
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case AddressColumn:
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return thread.address > 0 ? QLatin1String("0x") + QString::number(thread.address, 16) : QString();
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}
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} else if (role == Qt::ToolTipRole) {
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if (thread.address == 0)
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return tr("Thread: %1").arg(thread.id);
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// Stopped
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if (thread.file.isEmpty())
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return tr("Thread: %1 at %2 (0x%3)").arg(thread.id).arg(thread.function).arg(thread.address, 0, 16);
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return tr("Thread: %1 at %2, %3:%4 (0x%5)").
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arg(thread.id).arg(thread.function, thread.file).arg(thread.line).arg(thread.address, 0, 16);
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} else if (role == Qt::DecorationRole && index.column() == 0) {
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// Return icon that indicates whether this is the active stack frame
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return (index.row() == m_currentIndex) ? m_positionIcon : m_emptyIcon;
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}
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return QVariant();
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}
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QVariant ThreadsHandler::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if (orientation != Qt::Horizontal || role != Qt::DisplayRole)
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return QVariant();
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switch (section) {
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case IdColumn:
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return tr("Thread ID");
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case FunctionColumn:
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return tr("Function");
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case FileColumn:
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return tr("File");
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case LineColumn:
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return tr("Line");
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case AddressColumn:
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return tr("Address");
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}
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return QVariant();
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}
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void ThreadsHandler::setCurrentThread(int index)
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{
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if (index == m_currentIndex)
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return;
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// Emit changed for previous frame
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QModelIndex i = ThreadsHandler::index(m_currentIndex, 0);
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emit dataChanged(i, i);
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m_currentIndex = index;
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// Emit changed for new frame
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i = ThreadsHandler::index(m_currentIndex, 0);
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emit dataChanged(i, i);
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}
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void ThreadsHandler::setThreads(const QList<ThreadData> &threads)
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{
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m_threads = threads;
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if (m_currentIndex >= m_threads.size())
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m_currentIndex = m_threads.size() - 1;
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reset();
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}
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QList<ThreadData> ThreadsHandler::threads() const
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{
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return m_threads;
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}
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void ThreadsHandler::removeAll()
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{
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m_threads.clear();
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m_currentIndex = 0;
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reset();
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}
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void ThreadsHandler::notifyRunning()
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{
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// Threads stopped (that is, address != 0 showing)?
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if (m_threads.empty())
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return;
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if (m_threads.front().address == 0)
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return;
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const QList<ThreadData>::iterator end = m_threads.end();
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for (QList<ThreadData>::iterator it = m_threads.begin(); it != end; ++it)
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it->notifyRunning();
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emit dataChanged(index(0, 1), index(m_threads.size()- 1, ColumnCount - 1));
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}
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} // namespace Internal
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} // namespace Debugger
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