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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "cpptoolsreuse.h"
#include <Symbols.h>
#include <CoreTypes.h>
#include <cplusplus/Overview.h>
#include <cplusplus/LookupContext.h>
#include <QtCore/QSet>
#include <QtGui/QTextDocument>
#include <QtGui/QTextCursor>
using namespace CPlusPlus;
namespace CppTools {
void moveCursorToEndOfIdentifier(QTextCursor *tc) {
QTextDocument *doc = tc->document();
if (!doc)
return;
QChar ch = doc->characterAt(tc->position());
while (ch.isLetterOrNumber() || ch == QLatin1Char('_')) {
tc->movePosition(QTextCursor::NextCharacter);
ch = doc->characterAt(tc->position());
}
}
static bool isOwnershipRAIIName(const QString &name)
{
static QSet<QString> knownNames;
if (knownNames.isEmpty()) {
// Qt
knownNames.insert(QLatin1String("QScopedPointer"));
knownNames.insert(QLatin1String("QScopedArrayPointer"));
knownNames.insert(QLatin1String("QMutexLocker"));
knownNames.insert(QLatin1String("QReadLocker"));
knownNames.insert(QLatin1String("QWriteLocker"));
// Standard C++
knownNames.insert(QLatin1String("auto_ptr"));
knownNames.insert(QLatin1String("unique_ptr"));
// Boost
knownNames.insert(QLatin1String("scoped_ptr"));
knownNames.insert(QLatin1String("scoped_array"));
}
return knownNames.contains(name);
}
bool isOwnershipRAIIType(CPlusPlus::Symbol *symbol, const LookupContext &context)
{
if (!symbol)
return false;
// This is not a "real" comparison of types. What we do is to resolve the symbol
// in question and then try to match its name with already known ones.
if (symbol->isDeclaration()) {
Declaration *declaration = symbol->asDeclaration();
const NamedType *namedType = declaration->type()->asNamedType();
if (namedType) {
ClassOrNamespace *clazz = context.lookupType(namedType->name(),
declaration->enclosingScope());
if (clazz && !clazz->symbols().isEmpty()) {
Overview overview;
Symbol *symbol = clazz->symbols().at(0);
return isOwnershipRAIIName(overview.prettyName(symbol->name()));
}
}
}
return false;
}
bool isValidIdentifier(const QString &s)
{
const int length = s.length();
for (int i = 0; i < length; ++i) {
const QChar &c = s.at(i);
if (i == 0) {
if (!c.isLetter() && c != QLatin1Char('_'))
return false;
} else {
if (!c.isLetterOrNumber() && c != QLatin1Char('_'))
return false;
}
}
return true;
}
} // CppTools
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