Revision control
++ // 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
++ // Qt-Security score:significant reason:default
++
++ #ifndef QLOGGING_P_H
++ #define QLOGGING_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of a number of Qt sources files. This header file may change from
++ // version to version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QtCore/private/qglobal_p.h>
++ #include "qlogging.h"
++ #include <QtCore/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 {
++
++ Q_CORE_EXPORT bool shouldLogToStderr();
++
++ }
++
++ class QInternalMessageLogContext : public QMessageLogContext
++ {
++ public:
++ static constexpr int DefaultBacktraceDepth = 32;
++ static constexpr int MaxBacktraceDepth = 16384;
++
++ #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