qt-creator/src/libs/utils/qtcassert.h

/****************************************************************************
**
** Copyright (C) 2014 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.
**
****************************************************************************/

#ifndef QTC_ASSERT_H
#define QTC_ASSERT_H

#include "utils_global.h"

namespace Utils { QTCREATOR_UTILS_EXPORT void writeAssertLocation(const char *msg); }

#define QTC_ASSERT_STRINGIFY_HELPER(x) #x
#define QTC_ASSERT_STRINGIFY(x) QTC_ASSERT_STRINGIFY_HELPER(x)
#define QTC_ASSERT_STRING(cond) ::Utils::writeAssertLocation(\
    "\"" cond"\" in file " __FILE__ ", line " QTC_ASSERT_STRINGIFY(__LINE__))

// The 'do {...} while (0)' idiom is not used for the main block here to be
// able to use 'break' and 'continue' as 'actions'.

#define QTC_ASSERT(cond, action) if (cond) {} else { QTC_ASSERT_STRING(#cond); action; } do {} while (0)
#define QTC_CHECK(cond) if (cond) {} else { QTC_ASSERT_STRING(#cond); } do {} while (0)

#endif // QTC_ASSERT_H