diff options
Diffstat (limited to 'src/corelib/global/qlogging_p.h')
-rw-r--r-- | src/corelib/global/qlogging_p.h | 90 |
1 files changed, 52 insertions, 38 deletions
diff --git a/src/corelib/global/qlogging_p.h b/src/corelib/global/qlogging_p.h index 3d0c097ffe..bc331c80c0 100644 --- a/src/corelib/global/qlogging_p.h +++ b/src/corelib/global/qlogging_p.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 https://www.qt.io/terms-conditions. For further -** information use the contact form at https://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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2018 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QLOGGING_P_H #define QLOGGING_P_H @@ -51,6 +15,24 @@ // We mean it. // +#include <QtCore/private/qglobal_p.h> +#include "qlogging.h" +#include "qloggingcategory.h" + +#if !defined(QT_BOOTSTRAPPED) && QT_CONFIG(regularexpression) +# if __has_include(<cxxabi.h>) && QT_CONFIG(backtrace) +# include <optional> +# include "qvarlengtharray.h" +# define QLOGGING_USE_EXECINFO_BACKTRACE +# define QLOGGING_HAVE_BACKTRACE +# elif QT_CONFIG(cxx23_stacktrace) +# include <optional> +# include <stacktrace> +# define QLOGGING_USE_STD_BACKTRACE +# define QLOGGING_HAVE_BACKTRACE +# endif +#endif // QT_BOOTSTRAPPED + QT_BEGIN_NAMESPACE namespace QtPrivate { @@ -59,6 +41,38 @@ Q_CORE_EXPORT bool shouldLogToStderr(); } +class QInternalMessageLogContext : public QMessageLogContext +{ +public: + static constexpr int DefaultBacktraceDepth = 32; + +#if defined(QLOGGING_USE_EXECINFO_BACKTRACE) + using BacktraceStorage = QVarLengthArray<void *, DefaultBacktraceDepth>; +#elif defined(QLOGGING_USE_STD_BACKTRACE) + using BacktraceStorage = std::stacktrace; +#else + using BacktraceStorage = bool; // dummy +#endif + + std::optional<BacktraceStorage> backtrace; + + Q_ALWAYS_INLINE QInternalMessageLogContext(const QMessageLogContext &logContext) + { + int backtraceFrames = initFrom(logContext); + if (backtraceFrames) + populateBacktrace(backtraceFrames); + } + QInternalMessageLogContext(const QMessageLogContext &logContext, + const QLoggingCategory &categoryOverride) + : QInternalMessageLogContext(logContext) + { + category = categoryOverride.categoryName(); + } + + int initFrom(const QMessageLogContext &logContext); + void populateBacktrace(int frameCount); +}; + QT_END_NAMESPACE #endif // QLOGGING_P_H |