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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, 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.
**
****************************************************************************/
#include "threadshandler.h"
#include "gdb/gdbmi.h"
#include "watchutils.h"
#include "debuggerconstants.h"
#include "debuggercore.h"
#include <QDebug>
#include <QTextStream>
#include <QSortFilterProxyModel>
namespace Debugger {
namespace Internal {
////////////////////////////////////////////////////////////////////////
//
// ThreadsHandler
//
///////////////////////////////////////////////////////////////////////
static QString threadToolTip(const ThreadData &thread)
{
const char start[] = "<tr><td>";
const char sep[] = "</td><td>";
const char end[] = "</td>";
QString rc;
QTextStream str(&rc);
str << "<html><head/><body><table>"
<< start << ThreadsHandler::tr("Thread id:")
<< sep << thread.id << end;
if (!thread.targetId.isEmpty())
str << start << ThreadsHandler::tr("Target id:")
<< sep << thread.targetId << end;
if (!thread.name.isEmpty())
str << start << ThreadsHandler::tr("Name:")
<< sep << thread.name << end;
if (!thread.state.isEmpty())
str << start << ThreadsHandler::tr("State:")
<< sep << thread.state << end;
if (!thread.core.isEmpty())
str << start << ThreadsHandler::tr("Core:")
<< sep << thread.core << end;
if (thread.address) {
str << start << ThreadsHandler::tr("Stopped at:") << sep;
if (!thread.function.isEmpty())
str << thread.function << "<br>";
if (!thread.fileName.isEmpty())
str << thread.fileName << ':' << thread.lineNumber << "<br>";
str << formatToolTipAddress(thread.address);
}
str << "</table></body></html>";
return rc;
}
////////////////////////////////////////////////////////////////////////
//
// ThreadsHandler
//
///////////////////////////////////////////////////////////////////////
/*!
\struct Debugger::Internal::ThreadData
\brief A structure containing information about a single thread
*/
/*!
\class Debugger::Internal::ThreadsHandler
\brief A model to represent the running threads in a QTreeView or ComboBox
*/
ThreadsHandler::ThreadsHandler()
: m_currentIndex(0),
m_positionIcon(QLatin1String(":/debugger/images/location_16.png")),
m_emptyIcon(QLatin1String(":/debugger/images/debugger_empty_14.png"))
{
m_resetLocationScheduled = false;
m_contentsValid = false;
m_proxyModel = new QSortFilterProxyModel(this);
m_proxyModel->setSourceModel(this);
}
int ThreadsHandler::rowCount(const QModelIndex &parent) const
{
// Since the stack is not a tree, row count is 0 for any valid parent.
return parent.isValid() ? 0 : m_threads.size();
}
int ThreadsHandler::columnCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : int(ThreadData::ColumnCount);
}
QVariant ThreadsHandler::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
const int row = index.row();
if (row >= m_threads.size())
return QVariant();
const ThreadData &thread = m_threads.at(row);
switch (role) {
case Qt::DisplayRole:
switch (index.column()) {
case ThreadData::IdColumn:
return thread.id;
case ThreadData::FunctionColumn:
return thread.function;
case ThreadData::FileColumn:
return thread.fileName.isEmpty() ? thread.module : thread.fileName;
case ThreadData::LineColumn:
return thread.lineNumber >= 0
? QString::number(thread.lineNumber) : QString();
case ThreadData::AddressColumn:
return thread.address > 0
? QLatin1String("0x") + QString::number(thread.address, 16)
: QString();
case ThreadData::CoreColumn:
return thread.core;
case ThreadData::StateColumn:
return thread.state;
case ThreadData::TargetIdColumn:
if (thread.targetId.startsWith(QLatin1String("Thread ")))
return thread.targetId.mid(7);
return thread.targetId;
case ThreadData::NameColumn:
return thread.name;
case ThreadData::ComboNameColumn:
return QString::fromLatin1("#%1 %2").arg(thread.id).arg(thread.name);
}
case Qt::ToolTipRole:
return threadToolTip(thread);
case Qt::DecorationRole:
// Return icon that indicates whether this is the active stack frame.
if (index.column() == 0)
return (index.row() == m_currentIndex) ? m_positionIcon : m_emptyIcon;
break;
default:
break;
}
return QVariant();
}
QVariant ThreadsHandler::headerData
(int section, Qt::Orientation orientation, int role) const
{
if (orientation != Qt::Horizontal || role != Qt::DisplayRole)
return QVariant();
switch (section) {
case ThreadData::IdColumn:
return QString(QLatin1String(" ") + tr("ID") + QLatin1String(" "));
case ThreadData::FunctionColumn:
return tr("Function");
case ThreadData::FileColumn:
return tr("File");
case ThreadData::LineColumn:
return tr("Line");
case ThreadData::AddressColumn:
return tr("Address");
case ThreadData::CoreColumn:
return tr("Core");
case ThreadData::StateColumn:
return tr("State");
case ThreadData::TargetIdColumn:
return tr("Target ID");
case ThreadData::NameColumn:
return tr("Name");
}
return QVariant();
}
Qt::ItemFlags ThreadsHandler::flags(const QModelIndex &index) const
{
return m_contentsValid ? QAbstractTableModel::flags(index) : Qt::ItemFlags(0);
}
int ThreadsHandler::currentThreadId() const
{
if (m_currentIndex < 0 || m_currentIndex >= m_threads.size())
return -1;
return m_threads[m_currentIndex].id;
}
void ThreadsHandler::setCurrentThread(int index)
{
if (index == m_currentIndex)
return;
// Emit changed for previous frame.
QModelIndex i = ThreadsHandler::index(m_currentIndex, 0);
emit dataChanged(i, i);
m_currentIndex = index;
// Emit changed for new frame.
i = ThreadsHandler::index(m_currentIndex, 0);
emit dataChanged(i, i);
updateThreadBox();
}
void ThreadsHandler::setCurrentThreadId(int id)
{
const int index = indexOf(id);
if (index != -1)
setCurrentThread(index);
else
qWarning("ThreadsHandler::setCurrentThreadId: No such thread %d.", id);
}
int ThreadsHandler::indexOf(quint64 threadId) const
{
const int count = m_threads.size();
for (int i = 0; i < count; ++i)
if (m_threads.at(i).id == threadId)
return i;
return -1;
}
void ThreadsHandler::setThreads(const Threads &threads)
{
m_threads = threads;
if (m_currentIndex >= m_threads.size())
m_currentIndex = -1;
m_resetLocationScheduled = false;
m_contentsValid = true;
reset();
updateThreadBox();
}
void ThreadsHandler::updateThreadBox()
{
QStringList list;
foreach (const ThreadData &thread, m_threads)
list.append(QString::fromLatin1("#%1 %2").arg(thread.id).arg(thread.name));
debuggerCore()->setThreads(list, m_currentIndex);
}
Threads ThreadsHandler::threads() const
{
return m_threads;
}
void ThreadsHandler::removeAll()
{
m_threads.clear();
m_currentIndex = 0;
reset();
}
void ThreadsHandler::notifyRunning()
{
// Threads stopped (that is, address != 0 showing)?
if (m_threads.empty())
return;
if (m_threads.front().address == 0)
return;
const Threads::iterator end = m_threads.end();
for (Threads::iterator it = m_threads.begin(); it != end; ++it)
it->notifyRunning();
emit dataChanged(index(0, 1),
index(m_threads.size() - 1, ThreadData::ColumnCount - 1));
}
Threads ThreadsHandler::parseGdbmiThreads(const GdbMi &data, int *currentThread)
{
// ^done,threads=[{id="1",target-id="Thread 0xb7fdc710 (LWP 4264)",
// frame={level="0",addr="0x080530bf",func="testQString",args=[],
// file="/.../app.cpp",fullname="/../app.cpp",line="1175"},
// state="stopped",core="0"}],current-thread-id="1"
const QList<GdbMi> items = data.findChild("threads").children();
const int n = items.size();
Threads threads;
threads.reserve(n);
for (int index = 0; index != n; ++index) {
bool ok = false;
const GdbMi item = items.at(index);
const GdbMi frame = item.findChild("frame");
ThreadData thread;
thread.id = item.findChild("id").data().toInt();
thread.targetId = QString::fromLatin1(item.findChild("target-id").data());
thread.core = QString::fromLatin1(item.findChild("core").data());
thread.state = QString::fromLatin1(item.findChild("state").data());
thread.address = frame.findChild("addr").data().toULongLong(&ok, 0);
thread.function = QString::fromLatin1(frame.findChild("func").data());
thread.fileName = QString::fromLatin1(frame.findChild("fullname").data());
thread.lineNumber = frame.findChild("line").data().toInt();
thread.module = QString::fromLocal8Bit(frame.findChild("from").data());
// Non-GDB (Cdb2) output name here.
thread.name = QString::fromLatin1(frame.findChild("name").data());
threads.append(thread);
}
if (currentThread)
*currentThread = data.findChild("current-thread-id").data().toInt();
return threads;
}
void ThreadsHandler::scheduleResetLocation()
{
m_resetLocationScheduled = true;
m_contentsValid = false;
}
void ThreadsHandler::resetLocation()
{
if (m_resetLocationScheduled) {
m_resetLocationScheduled = false;
reset();
}
}
QAbstractItemModel *ThreadsHandler::model()
{
return m_proxyModel;
}
} // namespace Internal
} // namespace Debugger
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