qglobal_p.h - mozsearch

// Copyright (C) 2017 The Qt Company Ltd.

// Copyright (C) 2015 Intel Corporation.

// 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 QGLOBAL_P_H

#define QGLOBAL_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "qglobal.h"

#include "qglobal_p.h"      // include self to avoid syncqt warning - no-op

#ifndef QT_BOOTSTRAPPED

#include <QtCore/private/qtcoreglobal_p.h>

#endif

#if defined(Q_CC_MSVC)

// By default, dynamic initialization uses subsection "$XCU", which is

// equivalent to #pragma init_seg(user). Additionally, #pragma

// init_seg(compiler) and init_seg(lib) use "$XCC" and "$XCL" respectively. So

// place us between "compiler" and "lib".

#  define QT_SUPPORTS_INIT_PRIORITY     1

// warning C4075: initializers put in unrecognized initialization area

#  define Q_DECL_INIT_PRIORITY(nn)      \

    __pragma(warning(disable: 4075)) \

    __pragma(init_seg(".CRT$XCK" QT_STRINGIFY(nn))) Q_DECL_UNUSED

#elif defined(Q_OS_QNX)

// init_priority fails on QNX and we didn't bother investigating why

#  define QT_SUPPORTS_INIT_PRIORITY     0

#elif defined(Q_OS_WIN) || defined(Q_OF_ELF)

#  define QT_SUPPORTS_INIT_PRIORITY     1

// priorities 0 to 1000 are reserved to the runtime;

// we use above 2000 in case someone REALLY needs to go before us

#  define Q_DECL_INIT_PRIORITY(nn)      __attribute__((init_priority(2000 + nn), used))

#elif defined(QT_SHARED)

// it doesn't support this exactly, but we can work around it

#  define QT_SUPPORTS_INIT_PRIORITY     -1

#  define Q_DECL_INIT_PRIORITY(nn)      Q_DECL_UNUSED

#else

#  define QT_SUPPORTS_INIT_PRIORITY     0

#endif

#if defined(__cplusplus)

QT_BEGIN_NAMESPACE

Q_NORETURN Q_CORE_EXPORT void qAbort();

QT_END_NAMESPACE

#if !__has_builtin(__builtin_available)

#include <initializer_list>

#include <QtCore/qoperatingsystemversion.h>

#include <QtCore/qversionnumber.h>

QT_BEGIN_NAMESPACE

struct qt_clang_builtin_available_os_version_data {

    QOperatingSystemVersion::OSType type;

    const char *version;

};

static inline bool qt_clang_builtin_available(

    const std::initializer_list<qt_clang_builtin_available_os_version_data> &versions)

    for (auto it = versions.begin(); it != versions.end(); ++it) {

        if (QOperatingSystemVersion::currentType() == it->type) {

            const auto current = QOperatingSystemVersion::current();

            return QVersionNumber(

                current.majorVersion(),

                current.minorVersion(),

                current.microVersion()) >= QVersionNumber::fromString(

                    QString::fromLatin1(it->version));

    // Result is true if the platform is not any of the checked ones; this matches behavior of

    // LLVM __builtin_available and @available constructs

    return true;

QT_END_NAMESPACE

#define QT_AVAILABLE_OS_VER(os, ver) \

    QT_PREPEND_NAMESPACE(qt_clang_builtin_available_os_version_data){\

        QT_PREPEND_NAMESPACE(QOperatingSystemVersion)::os, #ver}

#define QT_AVAILABLE_CAT(L, R) QT_AVAILABLE_CAT_(L, R)

#define QT_AVAILABLE_CAT_(L, R) L ## R

#define QT_AVAILABLE_EXPAND(...) QT_AVAILABLE_OS_VER(__VA_ARGS__)

#define QT_AVAILABLE_SPLIT(os_ver) QT_AVAILABLE_EXPAND(QT_AVAILABLE_CAT(QT_AVAILABLE_SPLIT_, os_ver))

#define QT_AVAILABLE_SPLIT_macOS MacOS,

#define QT_AVAILABLE_SPLIT_iOS IOS,

#define QT_AVAILABLE_SPLIT_tvOS TvOS,

#define QT_AVAILABLE_SPLIT_watchOS WatchOS,

#define QT_BUILTIN_AVAILABLE0(e) \

    QT_PREPEND_NAMESPACE(qt_clang_builtin_available)({})

#define QT_BUILTIN_AVAILABLE1(a, e) \

    QT_PREPEND_NAMESPACE(qt_clang_builtin_available)({QT_AVAILABLE_SPLIT(a)})

#define QT_BUILTIN_AVAILABLE2(a, b, e) \

    QT_PREPEND_NAMESPACE(qt_clang_builtin_available)({QT_AVAILABLE_SPLIT(a), \

                                                      QT_AVAILABLE_SPLIT(b)})

#define QT_BUILTIN_AVAILABLE3(a, b, c, e) \

    QT_PREPEND_NAMESPACE(qt_clang_builtin_available)({QT_AVAILABLE_SPLIT(a), \

                                                      QT_AVAILABLE_SPLIT(b), \

                                                      QT_AVAILABLE_SPLIT(c)})

#define QT_BUILTIN_AVAILABLE4(a, b, c, d, e) \

    QT_PREPEND_NAMESPACE(qt_clang_builtin_available)({QT_AVAILABLE_SPLIT(a), \

                                                      QT_AVAILABLE_SPLIT(b), \

                                                      QT_AVAILABLE_SPLIT(c), \

                                                      QT_AVAILABLE_SPLIT(d)})

#define QT_BUILTIN_AVAILABLE_ARG(arg0, arg1, arg2, arg3, arg4, arg5, ...) arg5

#define QT_BUILTIN_AVAILABLE_CHOOSER(...) QT_BUILTIN_AVAILABLE_ARG(__VA_ARGS__, \

    QT_BUILTIN_AVAILABLE4, \

    QT_BUILTIN_AVAILABLE3, \

    QT_BUILTIN_AVAILABLE2, \

    QT_BUILTIN_AVAILABLE1, \

    QT_BUILTIN_AVAILABLE0, )

#define __builtin_available(...) QT_BUILTIN_AVAILABLE_CHOOSER(__VA_ARGS__)(__VA_ARGS__)

#endif // !__has_builtin(__builtin_available)

#endif // defined(__cplusplus)

#endif // QGLOBAL_P_H