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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** 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 The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. 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, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "stackframe.h"
#include "debuggerengine.h"
#include "debuggerprotocol.h"
#include "watchutils.h"
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <utils/hostosinfo.h>
namespace Debugger {
namespace Internal {
////////////////////////////////////////////////////////////////////////
//
// StackFrame
//
////////////////////////////////////////////////////////////////////////
StackFrame::StackFrame()
: language(CppLanguage), line(-1), address(0), usable(false)
{}
void StackFrame::clear()
{
line = -1;
function.clear();
file.clear();
module.clear();
receiver.clear();
address = 0;
}
bool StackFrame::isUsable() const
{
return usable;
}
QString StackFrame::toString() const
{
QString res;
QTextStream str(&res);
str << tr("Address:") << ' ';
str.setIntegerBase(16);
str << address;
str.setIntegerBase(10);
str << ' '
<< tr("Function:") << ' ' << function << ' '
<< tr("File:") << ' ' << file << ' '
<< tr("Line:") << ' ' << line << ' '
<< tr("From:") << ' ' << module << ' '
<< tr("To:") << ' ' << receiver;
return res;
}
QList<StackFrame> StackFrame::parseFrames(const GdbMi &data, const DebuggerRunParameters &rp)
{
StackFrames frames;
frames.reserve(data.children().size());
foreach (const GdbMi &item, data.children())
frames.append(parseFrame(item, rp));
return frames;
}
StackFrame StackFrame::parseFrame(const GdbMi &frameMi, const DebuggerRunParameters &rp)
{
StackFrame frame;
frame.level = frameMi["level"].data();
frame.function = frameMi["function"].toUtf8();
frame.module = frameMi["module"].toUtf8();
frame.file = QFile::decodeName(frameMi["file"].data());
frame.line = frameMi["line"].toInt();
frame.address = frameMi["address"].toAddress();
frame.context = frameMi["context"].data();
if (frameMi["language"].data() == "js"
|| frame.file.endsWith(QLatin1String(".js"))
|| frame.file.endsWith(QLatin1String(".qml"))) {
frame.language = QmlLanguage;
frame.fixQrcFrame(rp);
}
GdbMi usable = frameMi["usable"];
if (usable.isValid())
frame.usable = usable.data().toInt();
else
frame.usable = QFileInfo(frame.file).isReadable();
return frame;
}
QString StackFrame::toToolTip() const
{
const QString filePath = QDir::toNativeSeparators(file);
QString res;
QTextStream str(&res);
str << "<html><body><table>";
if (address)
str << "<tr><td>" << tr("Address:") << "</td><td>"
<< formatToolTipAddress(address) << "</td></tr>";
if (!function.isEmpty())
str << "<tr><td>"
<< (language == CppLanguage ? tr("Function:") : tr("JS-Function:"))
<< "</td><td>" << function << "</td></tr>";
if (!file.isEmpty())
str << "<tr><td>" << tr("File:") << "</td><td>" << filePath << "</td></tr>";
if (line != -1)
str << "<tr><td>" << tr("Line:") << "</td><td>" << line << "</td></tr>";
if (!module.isEmpty())
str << "<tr><td>" << tr("Module:") << "</td><td>" << module << "</td></tr>";
if (!receiver.isEmpty())
str << "<tr><td>" << tr("Receiver:") << "</td><td>" << receiver << "</td></tr>";
str << "</table>";
str <<"<br> <br><i>" << tr("Note:") << " </i> ";
bool showDistributionNote = false;
if (isUsable()) {
str << tr("Sources for this frame are available.<br>Double-click on "
"the file name to open an editor.");
} else if (line <= 0) {
str << tr("Binary debug information is not accessible for this "
"frame. This either means the core was not compiled "
"with debug information, or the debug information is not "
"accessible.");
showDistributionNote = true;
} else {
str << tr("Binary debug information is accessible for this "
"frame. However, matching sources have not been found.");
showDistributionNote = true;
}
if (!Utils::HostOsInfo::isWindowsHost() && showDistributionNote) {
str << QLatin1Char(' ') <<
tr("Note that most distributions ship debug information "
"in separate packages.");
}
str << "</body></html>";
return res;
}
static QString findFile(const QString &baseDir, const QString &relativeFile)
{
QDir dir(baseDir);
while (true) {
const QString path = dir.absoluteFilePath(relativeFile);
const QFileInfo fi(path);
if (fi.isFile())
return path;
if (dir.isRoot())
break;
dir.cdUp();
}
return QString();
}
// Try to resolve files coming from resource files.
void StackFrame::fixQrcFrame(const DebuggerRunParameters &rp)
{
if (language != QmlLanguage)
return;
QFileInfo aFi(file);
if (aFi.isAbsolute()) {
usable = aFi.isFile();
return;
}
if (!file.startsWith(QLatin1String("qrc:/")))
return;
QString relativeFile = file.right(file.size() - 5);
while (relativeFile.startsWith(QLatin1Char('/')))
relativeFile = relativeFile.mid(1);
QString absFile = findFile(rp.projectSourceDirectory, relativeFile);
if (absFile.isEmpty())
absFile = findFile(QDir::currentPath(), relativeFile);
if (absFile.isEmpty())
return;
file = absFile;
usable = true;
}
QDebug operator<<(QDebug d, const StackFrame &f)
{
QString res;
QTextStream str(&res);
str << "level=" << f.level << " address=" << f.address;
if (!f.function.isEmpty())
str << ' ' << f.function;
if (!f.file.isEmpty())
str << ' ' << f.file << ':' << f.line;
if (!f.module.isEmpty())
str << " from=" << f.module;
if (!f.receiver.isEmpty())
str << " to=" << f.receiver;
d.nospace() << res;
return d;
}
} // namespace Internal
} // namespace Debugger
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