watchutils.cpp

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (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 http://qt.nokia.com/contact.
**
**************************************************************************/

#include "watchutils.h"
#include "watchhandler.h"
#include "gdb/gdbmi.h"
#include <utils/qtcassert.h>

#include <coreplugin/ifile.h>

#include <texteditor/basetexteditor.h>
#include <texteditor/basetextmark.h>
#include <texteditor/itexteditor.h>
#include <texteditor/texteditorconstants.h>

#include <cpptools/cppmodelmanagerinterface.h>
#include <cpptools/cpptoolsconstants.h>

#include <cplusplus/ExpressionUnderCursor.h>
#include <cplusplus/Overview.h>
#include <Symbols.h>
#include <Scope.h>

#include <extensionsystem/pluginmanager.h>

#include <QtCore/QDebug>
#include <QtCore/QTime>
#include <QtCore/QStringList>
#include <QtCore/QCoreApplication>
#include <QtCore/QTextStream>
#include <QtCore/QHash>

#include <QtGui/QTextCursor>
#include <QtGui/QPlainTextEdit>

#include <string.h>
#include <ctype.h>

enum { debug = 0 };

// Debug helpers for code model. @todo: Move to some CppTools library?
namespace CPlusPlus {

static void debugCppSymbolRecursion(QTextStream &str, const Overview &o,
                                    const Symbol &s, bool doRecurse = true,
                                    int recursion = 0)
{
    for (int i = 0; i < recursion; i++)
        str << "  ";
    str << "Symbol: " << o.prettyName(s.name()) << " at line " << s.line();
    if (s.isFunction())
        str << " function";
    if (s.isClass())
        str << " class";
    if (s.isDeclaration())
        str << " declaration";
    if (s.isBlock())
        str << " block";
    if (doRecurse && s.isScopedSymbol()) {
        const ScopedSymbol *scoped = s.asScopedSymbol();
        const int size =  scoped->memberCount();
        str << " scoped symbol of " << size << '\n';
        for (int m = 0; m < size; m++)
            debugCppSymbolRecursion(str, o, *scoped->memberAt(m), true, recursion + 1);
    } else {
        str << '\n';
    }
}

QDebug operator<<(QDebug d, const Symbol &s)
{
    QString output;
    CPlusPlus::Overview o;
    QTextStream str(&output);
    debugCppSymbolRecursion(str, o, s, true, 0);
    d.nospace() << output;
    return d;
}

QDebug operator<<(QDebug d, const Scope &scope)
{
    QString output;
    Overview o;
    QTextStream str(&output);
    const int size =  scope.symbolCount();
    str << "Scope of " << size;
    if (scope.isNamespaceScope())
        str << " namespace";
    if (scope.isClassScope())
        str << " class";
    if (scope.isEnumScope())
        str << " enum";
    if (scope.isBlockScope())
        str << " block";
    if (scope.isFunctionScope())
        str << " function";
    if (scope.isPrototypeScope())
        str << " prototype";
    if (const Symbol *owner = scope.owner()) {
        str << " owner: ";
        debugCppSymbolRecursion(str, o, *owner, false, 0);
    } else {
        str << " 0-owner\n";
    }
    for (int s = 0; s < size; s++)
        debugCppSymbolRecursion(str, o, *scope.symbolAt(s), true, 2);
    d.nospace() << output;
    return d;
}
} // namespace CPlusPlus

namespace Debugger {
namespace Internal {

QByteArray dotEscape(QByteArray str)
{
    str.replace(' ', '.');
    str.replace('\\', '.');
    str.replace('/', '.');
    return str;
}

QString currentTime()
{
    return QTime::currentTime().toString(QLatin1String("hh:mm:ss.zzz"));
}

bool isSkippableFunction(const QString &funcName, const QString &fileName)
{
    if (fileName.endsWith(QLatin1String("kernel/qobject.cpp")))
        return true;
    if (fileName.endsWith(QLatin1String("kernel/moc_qobject.cpp")))
        return true;
    if (fileName.endsWith(QLatin1String("kernel/qmetaobject.cpp")))
        return true;
    if (fileName.endsWith(QLatin1String("kernel/qmetaobject_p.h")))
        return true;
    if (fileName.endsWith(QLatin1String(".moc")))
        return true;

    if (funcName.endsWith("::qt_metacall"))
        return true;
    if (funcName.endsWith("::d_func"))
        return true;
    if (funcName.endsWith("::q_func"))
        return true;

    return false;
}

bool isLeavableFunction(const QString &funcName, const QString &fileName)
{
    if (funcName.endsWith(QLatin1String("QObjectPrivate::setCurrentSender")))
        return true;
    if (funcName.endsWith(QLatin1String("QMutexPool::get")))
        return true;
    if (fileName.endsWith(QLatin1String("kernel/qmetaobject.cpp"))
            && funcName.endsWith(QLatin1String("QMetaObject::methodOffset")))
        return true;
    if (fileName.endsWith(QLatin1String("kernel/qobject.h")))
        return true;
    if (fileName.endsWith(QLatin1String("kernel/qobject.cpp"))
            && funcName.endsWith(QLatin1String("QObjectConnectionListVector::at")))
        return true;
    if (fileName.endsWith(QLatin1String("kernel/qobject.cpp"))
            && funcName.endsWith(QLatin1String("~QObject")))
        return true;
    if (fileName.endsWith(QLatin1String("thread/qmutex.cpp")))
        return true;
    if (fileName.endsWith(QLatin1String("thread/qthread.cpp")))
        return true;
    if (fileName.endsWith(QLatin1String("thread/qthread_unix.cpp")))
        return true;
    if (fileName.endsWith(QLatin1String("thread/qmutex.h")))