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qglobal.h
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qglobal.h
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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Copyright (C) 2012 Intel Corporation.
** Contact: http://www.qt-project.org/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** 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.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGLOBAL_H
#define QGLOBAL_H
#include <stddef.h>
#define QT_VERSION_STR "5.0.0"
/*
QT_VERSION is (major << 16) + (minor << 8) + patch.
*/
#define QT_VERSION 0x050000
/*
can be used like #if (QT_VERSION >= QT_VERSION_CHECK(4, 4, 0))
*/
#define QT_VERSION_CHECK(major, minor, patch) ((major<<16)|(minor<<8)|(patch))
#if !defined(QT_BUILD_MOC)
#include <QtCore/qconfig.h>
#endif
/* These two macros makes it possible to turn the builtin line expander into a
* string literal. */
#define QT_STRINGIFY2(x) #x
#define QT_STRINGIFY(x) QT_STRINGIFY2(x)
#include <QtCore/qsystemdetection.h>
#include <QtCore/qcompilerdetection.h>
#include <QtCore/qprocessordetection.h>
#ifdef __cplusplus
#include <algorithm>
#ifndef QT_NAMESPACE /* user namespace */
# define QT_PREPEND_NAMESPACE(name) ::name
# define QT_USE_NAMESPACE
# define QT_BEGIN_NAMESPACE
# define QT_END_NAMESPACE
# define QT_BEGIN_INCLUDE_NAMESPACE
# define QT_END_INCLUDE_NAMESPACE
#ifndef QT_BEGIN_MOC_NAMESPACE
# define QT_BEGIN_MOC_NAMESPACE
#endif
#ifndef QT_END_MOC_NAMESPACE
# define QT_END_MOC_NAMESPACE
#endif
# define QT_FORWARD_DECLARE_CLASS(name) class name;
# define QT_FORWARD_DECLARE_STRUCT(name) struct name;
# define QT_MANGLE_NAMESPACE(name) name
#else /* user namespace */
# define QT_PREPEND_NAMESPACE(name) ::QT_NAMESPACE::name
# define QT_USE_NAMESPACE using namespace ::QT_NAMESPACE;
# define QT_BEGIN_NAMESPACE namespace QT_NAMESPACE {
# define QT_END_NAMESPACE }
# define QT_BEGIN_INCLUDE_NAMESPACE }
# define QT_END_INCLUDE_NAMESPACE namespace QT_NAMESPACE {
#ifndef QT_BEGIN_MOC_NAMESPACE
# define QT_BEGIN_MOC_NAMESPACE QT_USE_NAMESPACE
#endif
#ifndef QT_END_MOC_NAMESPACE
# define QT_END_MOC_NAMESPACE
#endif
# define QT_FORWARD_DECLARE_CLASS(name) \
QT_BEGIN_NAMESPACE class name; QT_END_NAMESPACE \
using QT_PREPEND_NAMESPACE(name);
# define QT_FORWARD_DECLARE_STRUCT(name) \
QT_BEGIN_NAMESPACE struct name; QT_END_NAMESPACE \
using QT_PREPEND_NAMESPACE(name);
# define QT_MANGLE_NAMESPACE0(x) x
# define QT_MANGLE_NAMESPACE1(a, b) a##_##b
# define QT_MANGLE_NAMESPACE2(a, b) QT_MANGLE_NAMESPACE1(a,b)
# define QT_MANGLE_NAMESPACE(name) QT_MANGLE_NAMESPACE2( \
QT_MANGLE_NAMESPACE0(name), QT_MANGLE_NAMESPACE0(QT_NAMESPACE))
namespace QT_NAMESPACE {}
# ifndef QT_BOOTSTRAPPED
# ifndef QT_NO_USING_NAMESPACE
/*
This expands to a "using QT_NAMESPACE" also in _header files_.
It is the only way the feature can be used without too much
pain, but if people _really_ do not want it they can add
DEFINES += QT_NO_USING_NAMESPACE to their .pro files.
*/
QT_USE_NAMESPACE
# endif
# endif
#endif /* user namespace */
#else /* __cplusplus */
# define QT_BEGIN_NAMESPACE
# define QT_END_NAMESPACE
# define QT_USE_NAMESPACE
# define QT_BEGIN_INCLUDE_NAMESPACE
# define QT_END_INCLUDE_NAMESPACE
#endif /* __cplusplus */
#define QT_BEGIN_HEADER
#define QT_END_HEADER
#if defined(Q_OS_DARWIN) && !defined(QT_LARGEFILE_SUPPORT)
# define QT_LARGEFILE_SUPPORT 64
#endif
#ifndef Q_CONSTRUCTOR_FUNCTION
# define Q_CONSTRUCTOR_FUNCTION0(AFUNC) \
namespace { \
static const struct AFUNC ## _ctor_class_ { \
inline AFUNC ## _ctor_class_() { AFUNC(); } \
} AFUNC ## _ctor_instance_; \
}
# define Q_CONSTRUCTOR_FUNCTION(AFUNC) Q_CONSTRUCTOR_FUNCTION0(AFUNC)
#endif
#ifndef Q_DESTRUCTOR_FUNCTION
# define Q_DESTRUCTOR_FUNCTION0(AFUNC) \
namespace { \
static const struct AFUNC ## _dtor_class_ { \
inline AFUNC ## _dtor_class_() { } \
inline ~ AFUNC ## _dtor_class_() { AFUNC(); } \
} AFUNC ## _dtor_instance_; \
}
# define Q_DESTRUCTOR_FUNCTION(AFUNC) Q_DESTRUCTOR_FUNCTION0(AFUNC)
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
/*
Size-dependent types (architechture-dependent byte order)
Make sure to update QMetaType when changing these typedefs
*/
typedef signed char qint8; /* 8 bit signed */
typedef unsigned char quint8; /* 8 bit unsigned */
typedef short qint16; /* 16 bit signed */
typedef unsigned short quint16; /* 16 bit unsigned */
typedef int qint32; /* 32 bit signed */
typedef unsigned int quint32; /* 32 bit unsigned */
#if defined(Q_OS_WIN) && !defined(Q_CC_GNU)
# define Q_INT64_C(c) c ## i64 /* signed 64 bit constant */
# define Q_UINT64_C(c) c ## ui64 /* unsigned 64 bit constant */
typedef __int64 qint64; /* 64 bit signed */
typedef unsigned __int64 quint64; /* 64 bit unsigned */
#else
# define Q_INT64_C(c) static_cast<long long>(c ## LL) /* signed 64 bit constant */
# define Q_UINT64_C(c) static_cast<unsigned long long>(c ## ULL) /* unsigned 64 bit constant */
typedef long long qint64; /* 64 bit signed */
typedef unsigned long long quint64; /* 64 bit unsigned */
#endif
typedef qint64 qlonglong;
typedef quint64 qulonglong;
#ifndef QT_POINTER_SIZE
# if defined(Q_OS_WIN64)
# define QT_POINTER_SIZE 8
# elif defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
# define QT_POINTER_SIZE 4
# endif
#endif
#define Q_INIT_RESOURCE_EXTERN(name) \
extern int QT_MANGLE_NAMESPACE(qInitResources_ ## name) ();
#define Q_INIT_RESOURCE(name) \
do { extern int QT_MANGLE_NAMESPACE(qInitResources_ ## name) (); \
QT_MANGLE_NAMESPACE(qInitResources_ ## name) (); } while (0)
#define Q_CLEANUP_RESOURCE(name) \
do { extern int QT_MANGLE_NAMESPACE(qCleanupResources_ ## name) (); \
QT_MANGLE_NAMESPACE(qCleanupResources_ ## name) (); } while (0)
#if defined(__cplusplus)
namespace QtPrivate {
template <class T>
struct AlignOfHelper
{
char c;
T type;
AlignOfHelper();
~AlignOfHelper();
};
template <class T>
struct AlignOf_Default
{
enum { Value = sizeof(AlignOfHelper<T>) - sizeof(T) };
};
template <class T> struct AlignOf : AlignOf_Default<T> { };
template <class T> struct AlignOf<T &> : AlignOf<T> {};
template <size_t N, class T> struct AlignOf<T[N]> : AlignOf<T> {};
#ifdef Q_COMPILER_RVALUE_REFS
template <class T> struct AlignOf<T &&> : AlignOf<T> {};
#endif
#if defined(Q_PROCESSOR_X86_32) && !defined(Q_OS_WIN)
template <class T> struct AlignOf_WorkaroundForI386Abi { enum { Value = sizeof(T) }; };
// x86 ABI weirdness
// Alignment of naked type is 8, but inside struct has alignment 4.
template <> struct AlignOf<double> : AlignOf_WorkaroundForI386Abi<double> {};
template <> struct AlignOf<qint64> : AlignOf_WorkaroundForI386Abi<qint64> {};
template <> struct AlignOf<quint64> : AlignOf_WorkaroundForI386Abi<quint64> {};
#ifdef Q_CC_CLANG
// GCC and Clang seem to disagree wrt to alignment of arrays
template <size_t N> struct AlignOf<double[N]> : AlignOf_Default<double> {};
template <size_t N> struct AlignOf<qint64[N]> : AlignOf_Default<qint64> {};
template <size_t N> struct AlignOf<quint64[N]> : AlignOf_Default<quint64> {};
#endif
#endif
} // namespace QtPrivate
#define QT_EMULATED_ALIGNOF(T) \
(size_t(QT_PREPEND_NAMESPACE(QtPrivate)::AlignOf<T>::Value))
#ifndef Q_ALIGNOF
#define Q_ALIGNOF(T) QT_EMULATED_ALIGNOF(T)
#endif
/*
quintptr and qptrdiff is guaranteed to be the same size as a pointer, i.e.
sizeof(void *) == sizeof(quintptr)
&& sizeof(void *) == sizeof(qptrdiff)
*/
template <int> struct QIntegerForSize;
template <> struct QIntegerForSize<1> { typedef quint8 Unsigned; typedef qint8 Signed; };
template <> struct QIntegerForSize<2> { typedef quint16 Unsigned; typedef qint16 Signed; };
template <> struct QIntegerForSize<4> { typedef quint32 Unsigned; typedef qint32 Signed; };
template <> struct QIntegerForSize<8> { typedef quint64 Unsigned; typedef qint64 Signed; };
template <class T> struct QIntegerForSizeof: QIntegerForSize<sizeof(T)> { };
typedef QIntegerForSizeof<void*>::Unsigned quintptr;
typedef QIntegerForSizeof<void*>::Signed qptrdiff;
typedef qptrdiff qintptr;
/*
Useful type definitions for Qt
*/
QT_BEGIN_INCLUDE_NAMESPACE
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
QT_END_INCLUDE_NAMESPACE
/*
Constant bool values
*/
#ifndef QT_LINUXBASE /* the LSB defines TRUE and FALSE for us */
# ifndef TRUE
# define TRUE true
# define FALSE false
# endif
#endif
#if defined(QT_NO_DEPRECATED)
# undef QT_DEPRECATED
# undef QT_DEPRECATED_VARIABLE
# undef QT_DEPRECATED_CONSTRUCTOR
#elif defined(QT_DEPRECATED_WARNINGS)
# undef QT_DEPRECATED
# define QT_DEPRECATED Q_DECL_DEPRECATED
# undef QT_DEPRECATED_VARIABLE
# define QT_DEPRECATED_VARIABLE Q_DECL_VARIABLE_DEPRECATED
# undef QT_DEPRECATED_CONSTRUCTOR
# define QT_DEPRECATED_CONSTRUCTOR explicit Q_DECL_CONSTRUCTOR_DEPRECATED
#else
# undef QT_DEPRECATED
# define QT_DEPRECATED
# undef QT_DEPRECATED_VARIABLE
# define QT_DEPRECATED_VARIABLE
# undef QT_DEPRECATED_CONSTRUCTOR
# define QT_DEPRECATED_CONSTRUCTOR
#endif
#ifndef QT_DISABLE_DEPRECATED_BEFORE
// ### Qt5: remember to change that to 5 when we reach feature freeze
#define QT_DISABLE_DEPRECATED_BEFORE QT_VERSION_CHECK(4, 9, 0)
#endif
/*
QT_DEPRECATED_SINCE(major, minor) evaluates as true if the Qt version is greater than
the deprecation point specified.
Use it to specify from which version of Qt a function or class has been deprecated
Example:
#if QT_DEPRECATED_SINCE(5,1)
QT_DEPRECATED void deprecatedFunction(); //function deprecated since Qt 5.1
#endif
*/
#ifdef QT_DEPRECATED
#define QT_DEPRECATED_SINCE(major, minor) (QT_VERSION_CHECK(major, minor, 0) > QT_DISABLE_DEPRECATED_BEFORE)
#else
#define QT_DEPRECATED_SINCE(major, minor) 0
#endif
/* moc compats (signals/slots) */
#ifndef QT_MOC_COMPAT
# define QT_MOC_COMPAT
#else
# undef QT_MOC_COMPAT
# define QT_MOC_COMPAT
#endif
#ifdef QT_ASCII_CAST_WARNINGS
# define QT_ASCII_CAST_WARN Q_DECL_DEPRECATED
#else
# define QT_ASCII_CAST_WARN
#endif
#if defined(__i386__) || defined(_WIN32) || defined(_WIN32_WCE)
# if defined(Q_CC_GNU)
# define QT_FASTCALL __attribute__((regparm(3)))
# elif defined(Q_CC_MSVC)
# define QT_FASTCALL __fastcall
# else
# define QT_FASTCALL
# endif
#else
# define QT_FASTCALL
#endif
//defines the type for the WNDPROC on windows
//the alignment needs to be forced for sse2 to not crash with mingw
#if defined(Q_OS_WIN)
# if defined(Q_CC_MINGW) && !defined(Q_OS_WIN64)
# define QT_ENSURE_STACK_ALIGNED_FOR_SSE __attribute__ ((force_align_arg_pointer))
# else
# define QT_ENSURE_STACK_ALIGNED_FOR_SSE
# endif
# define QT_WIN_CALLBACK CALLBACK QT_ENSURE_STACK_ALIGNED_FOR_SSE
#endif
typedef int QNoImplicitBoolCast;
// This logic must match the one in qmetatype.h
#if defined(QT_COORD_TYPE)
typedef QT_COORD_TYPE qreal;
#elif defined(QT_NO_FPU) || defined(Q_PROCESSOR_ARM) || defined(Q_OS_WINCE)
typedef float qreal;
#else
typedef double qreal;
#endif
/*
Utility macros and inline functions
*/
template <typename T>
Q_DECL_CONSTEXPR inline T qAbs(const T &t) { return t >= 0 ? t : -t; }
Q_DECL_CONSTEXPR inline int qRound(double d)
{ return d >= 0.0 ? int(d + 0.5) : int(d - double(int(d-1)) + 0.5) + int(d-1); }
Q_DECL_CONSTEXPR inline int qRound(float d)
{ return d >= 0.0f ? int(d + 0.5f) : int(d - float(int(d-1)) + 0.5f) + int(d-1); }
#ifdef Q_QDOC
/*
Just for documentation generation
*/
int qRound(qreal d);
#endif
Q_DECL_CONSTEXPR inline qint64 qRound64(double d)
{ return d >= 0.0 ? qint64(d + 0.5) : qint64(d - double(qint64(d-1)) + 0.5) + qint64(d-1); }
Q_DECL_CONSTEXPR inline qint64 qRound64(float d)
{ return d >= 0.0f ? qint64(d + 0.5f) : qint64(d - float(qint64(d-1)) + 0.5f) + qint64(d-1); }
#ifdef Q_QDOC
/*
Just for documentation generation
*/
qint64 qRound64(qreal d);
#endif
template <typename T>
Q_DECL_CONSTEXPR inline const T &qMin(const T &a, const T &b) { return (a < b) ? a : b; }
template <typename T>
Q_DECL_CONSTEXPR inline const T &qMax(const T &a, const T &b) { return (a < b) ? b : a; }
template <typename T>
Q_DECL_CONSTEXPR inline const T &qBound(const T &min, const T &val, const T &max)
{ return qMax(min, qMin(max, val)); }
/*
Data stream functions are provided by many classes (defined in qdatastream.h)
*/
class QDataStream;
#if defined(Q_OS_VXWORKS)
# define QT_NO_CRASHHANDLER // no popen
# define QT_NO_PROCESS // no exec*, no fork
# define QT_NO_SHAREDMEMORY // only POSIX, no SysV and in the end...
# define QT_NO_SYSTEMSEMAPHORE // not needed at all in a flat address space
#endif
# include <QtCore/qfeatures.h>
#define QT_SUPPORTS(FEATURE) (!defined(QT_NO_##FEATURE))
/*
The Qt modules' export macros.
The options are:
- defined(QT_STATIC): Qt was built or is being built in static mode
- defined(QT_SHARED): Qt was built or is being built in shared/dynamic mode
If neither was defined, then QT_SHARED is implied. If Qt was compiled in static
mode, QT_STATIC is defined in qconfig.h. In shared mode, QT_STATIC is implied
for the bootstrapped tools.
*/
#ifdef QT_BOOTSTRAPPED
# ifdef QT_SHARED
# error "QT_SHARED and QT_BOOTSTRAPPED together don't make sense. Please fix the build"
# elif !defined(QT_STATIC)
# define QT_STATIC
# endif
#endif
#if defined(QT_SHARED) || !defined(QT_STATIC)
# ifdef QT_STATIC
# error "Both QT_SHARED and QT_STATIC defined, please make up your mind"
# endif
# ifndef QT_SHARED
# define QT_SHARED
# endif
# if defined(QT_BUILD_CORE_LIB)
# define Q_CORE_EXPORT Q_DECL_EXPORT
# else
# define Q_CORE_EXPORT Q_DECL_IMPORT
# endif
# if defined(QT_BUILD_GUI_LIB)
# define Q_GUI_EXPORT Q_DECL_EXPORT
# else
# define Q_GUI_EXPORT Q_DECL_IMPORT
# endif
# if defined(QT_BUILD_WIDGETS_LIB)
# define Q_WIDGETS_EXPORT Q_DECL_EXPORT
# else
# define Q_WIDGETS_EXPORT Q_DECL_IMPORT
# endif
# if defined(QT_BUILD_NETWORK_LIB)
# define Q_NETWORK_EXPORT Q_DECL_EXPORT
# else
# define Q_NETWORK_EXPORT Q_DECL_IMPORT
# endif
#else
# define Q_CORE_EXPORT
# define Q_GUI_EXPORT
# define Q_WIDGETS_EXPORT
# define Q_NETWORK_EXPORT
#endif
/*
No, this is not an evil backdoor. QT_BUILD_INTERNAL just exports more symbols
for Qt's internal unit tests. If you want slower loading times and more
symbols that can vanish from version to version, feel free to define QT_BUILD_INTERNAL.
*/
#if defined(QT_BUILD_INTERNAL) && defined(QT_BUILDING_QT) && defined(QT_SHARED)
# define Q_AUTOTEST_EXPORT Q_DECL_EXPORT
#elif defined(QT_BUILD_INTERNAL) && defined(QT_SHARED)
# define Q_AUTOTEST_EXPORT Q_DECL_IMPORT
#else
# define Q_AUTOTEST_EXPORT
#endif
inline void qt_noop(void) {}
/* These wrap try/catch so we can switch off exceptions later.
Beware - do not use more than one QT_CATCH per QT_TRY, and do not use
the exception instance in the catch block.
If you can't live with those constraints, don't use these macros.
Use the QT_NO_EXCEPTIONS macro to protect your code instead.
*/
#if !defined(QT_NO_EXCEPTIONS)
# if defined(QT_BOOTSTRAPPED) || (defined(Q_CC_GNU) && !defined (__EXCEPTIONS) && !defined(Q_MOC_RUN))
# define QT_NO_EXCEPTIONS
# endif
#endif
#ifdef QT_NO_EXCEPTIONS
# define QT_TRY if (true)
# define QT_CATCH(A) else
# define QT_THROW(A) qt_noop()
# define QT_RETHROW qt_noop()
# define QT_TERMINATE_ON_EXCEPTION(expr) do { expr; } while (0)
#else
# define QT_TRY try
# define QT_CATCH(A) catch (A)
# define QT_THROW(A) throw A
# define QT_RETHROW throw
Q_NORETURN Q_CORE_EXPORT void qTerminate() Q_DECL_NOTHROW;
# ifdef Q_COMPILER_NOEXCEPT
# define QT_TERMINATE_ON_EXCEPTION(expr) do { expr; } while (0)
# else
# define QT_TERMINATE_ON_EXCEPTION(expr) do { try { expr; } catch (...) { qTerminate(); } } while (0)
# endif
#endif
Q_CORE_EXPORT const char *qVersion() Q_DECL_NOTHROW;
Q_CORE_EXPORT bool qSharedBuild() Q_DECL_NOTHROW;
#ifndef Q_OUTOFLINE_TEMPLATE
# define Q_OUTOFLINE_TEMPLATE
#endif
#ifndef Q_INLINE_TEMPLATE
# define Q_INLINE_TEMPLATE inline
#endif
/*
Avoid "unused parameter" warnings
*/
#if defined(Q_CC_RVCT)
template <typename T>
inline void qUnused(T &x) { (void)x; }
# define Q_UNUSED(x) qUnused(x);
#else
# define Q_UNUSED(x) (void)x;
#endif
/*
Debugging and error handling
*/
#if !defined(QT_NO_DEBUG) && !defined(QT_DEBUG)
# define QT_DEBUG
#endif
#ifndef qPrintable
# define qPrintable(string) QString(string).toLocal8Bit().constData()
#endif
class QString;
Q_CORE_EXPORT QString qt_error_string(int errorCode = -1);
#ifndef Q_CC_MSVC
Q_NORETURN
#endif
Q_CORE_EXPORT void qt_assert(const char *assertion, const char *file, int line) Q_DECL_NOTHROW;
#if !defined(Q_ASSERT)
# if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
# define Q_ASSERT(cond) qt_noop()
# else
# define Q_ASSERT(cond) ((!(cond)) ? qt_assert(#cond,__FILE__,__LINE__) : qt_noop())
# endif
#endif
#if defined(QT_NO_DEBUG) && !defined(QT_PAINT_DEBUG)
#define QT_NO_PAINT_DEBUG
#endif
#ifndef Q_CC_MSVC
Q_NORETURN
#endif
Q_CORE_EXPORT void qt_assert_x(const char *where, const char *what, const char *file, int line) Q_DECL_NOTHROW;
#if !defined(Q_ASSERT_X)
# if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
# define Q_ASSERT_X(cond, where, what) qt_noop()
# else
# define Q_ASSERT_X(cond, where, what) ((!(cond)) ? qt_assert_x(where, what,__FILE__,__LINE__) : qt_noop())
# endif
#endif
#ifdef Q_COMPILER_STATIC_ASSERT
#define Q_STATIC_ASSERT(Condition) static_assert(bool(Condition), #Condition)
#define Q_STATIC_ASSERT_X(Condition, Message) static_assert(bool(Condition), Message)
#else
// Intentionally undefined
template <bool Test> class QStaticAssertFailure;
template <> class QStaticAssertFailure<true> {};
#define Q_STATIC_ASSERT_PRIVATE_JOIN(A, B) Q_STATIC_ASSERT_PRIVATE_JOIN_IMPL(A, B)
#define Q_STATIC_ASSERT_PRIVATE_JOIN_IMPL(A, B) A ## B
#define Q_STATIC_ASSERT(Condition) \
enum {Q_STATIC_ASSERT_PRIVATE_JOIN(q_static_assert_result, __LINE__) = sizeof(QStaticAssertFailure<!!(Condition)>)}
#define Q_STATIC_ASSERT_X(Condition, Message) Q_STATIC_ASSERT(Condition)
#endif
Q_CORE_EXPORT void qt_check_pointer(const char *, int);
Q_CORE_EXPORT void qBadAlloc();
#ifdef QT_NO_EXCEPTIONS
# if defined(QT_NO_DEBUG)
# define Q_CHECK_PTR(p) qt_noop()
# else
# define Q_CHECK_PTR(p) do {if(!(p))qt_check_pointer(__FILE__,__LINE__);} while (0)
# endif
#else
# define Q_CHECK_PTR(p) do { if (!(p)) qBadAlloc(); } while (0)
#endif
template <typename T>
inline T *q_check_ptr(T *p) { Q_CHECK_PTR(p); return p; }
typedef void (*QFunctionPointer)();
#if !defined(Q_UNIMPLEMENTED)
# define Q_UNIMPLEMENTED() qWarning("%s:%d: %s: Unimplemented code.", __FILE__, __LINE__, Q_FUNC_INFO)
#endif
#if defined(QT_NO_THREAD)
template <typename T>
class QGlobalStatic
{
public:
T *pointer;
inline QGlobalStatic(T *p) : pointer(p) { }
inline ~QGlobalStatic() { pointer = 0; }
};
#define Q_GLOBAL_STATIC(TYPE, NAME) \
static TYPE *NAME() \
{ \
static TYPE thisVariable; \
static QGlobalStatic<TYPE > thisGlobalStatic(&thisVariable); \
return thisGlobalStatic.pointer; \
}
#define Q_GLOBAL_STATIC_WITH_ARGS(TYPE, NAME, ARGS) \
static TYPE *NAME() \
{ \
static TYPE thisVariable ARGS; \
static QGlobalStatic<TYPE > thisGlobalStatic(&thisVariable); \
return thisGlobalStatic.pointer; \
}
#define Q_GLOBAL_STATIC_WITH_INITIALIZER(TYPE, NAME, INITIALIZER) \
static TYPE *NAME() \
{ \
static TYPE thisVariable; \
static QGlobalStatic<TYPE > thisGlobalStatic(0); \
if (!thisGlobalStatic.pointer) { \
TYPE *x = thisGlobalStatic.pointer = &thisVariable; \
INITIALIZER; \
} \
return thisGlobalStatic.pointer; \
}
#else
// forward declaration, since qatomic.h needs qglobal.h
template <typename T> class QBasicAtomicPointer;
// POD for Q_GLOBAL_STATIC
template <typename T>
class QGlobalStatic
{
public:
QBasicAtomicPointer<T> pointer;
bool destroyed;
};
// Created as a function-local static to delete a QGlobalStatic<T>
template <typename T>
class QGlobalStaticDeleter
{
public:
QGlobalStatic<T> &globalStatic;
QGlobalStaticDeleter(QGlobalStatic<T> &_globalStatic)
: globalStatic(_globalStatic)
{ }
inline ~QGlobalStaticDeleter()
{
delete globalStatic.pointer.load();
globalStatic.pointer.store(0);
globalStatic.destroyed = true;
}
};
#define Q_GLOBAL_STATIC(TYPE, NAME) \
static TYPE *NAME() \
{ \
static QGlobalStatic<TYPE > thisGlobalStatic \
= { Q_BASIC_ATOMIC_INITIALIZER(0), false }; \
if (!thisGlobalStatic.pointer.load() && !thisGlobalStatic.destroyed) { \
TYPE *x = new TYPE; \
if (!thisGlobalStatic.pointer.testAndSetOrdered(0, x)) \
delete x; \
else \
static QGlobalStaticDeleter<TYPE > cleanup(thisGlobalStatic); \
} \
return thisGlobalStatic.pointer.load(); \
}
#define Q_GLOBAL_STATIC_WITH_ARGS(TYPE, NAME, ARGS) \
static TYPE *NAME() \
{ \
static QGlobalStatic<TYPE > thisGlobalStatic \
= { Q_BASIC_ATOMIC_INITIALIZER(0), false }; \
if (!thisGlobalStatic.pointer.load() && !thisGlobalStatic.destroyed) { \
TYPE *x = new TYPE ARGS; \
if (!thisGlobalStatic.pointer.testAndSetOrdered(0, x)) \
delete x; \
else \
static QGlobalStaticDeleter<TYPE > cleanup(thisGlobalStatic); \
} \
return thisGlobalStatic.pointer.load(); \
}
#define Q_GLOBAL_STATIC_WITH_INITIALIZER(TYPE, NAME, INITIALIZER) \
static TYPE *NAME() \
{ \
static QGlobalStatic<TYPE > thisGlobalStatic \
= { Q_BASIC_ATOMIC_INITIALIZER(0), false }; \
if (!thisGlobalStatic.pointer.load() && !thisGlobalStatic.destroyed) { \
QScopedPointer<TYPE > x(new TYPE); \
INITIALIZER; \
if (thisGlobalStatic.pointer.testAndSetOrdered(0, x.data())) { \
static QGlobalStaticDeleter<TYPE > cleanup(thisGlobalStatic); \
x.take(); \
} \
} \
return thisGlobalStatic.pointer.load(); \
}
#endif
Q_DECL_CONSTEXPR static inline bool qFuzzyCompare(double p1, double p2)
{
return (qAbs(p1 - p2) <= 0.000000000001 * qMin(qAbs(p1), qAbs(p2)));
}
Q_DECL_CONSTEXPR static inline bool qFuzzyCompare(float p1, float p2)
{
return (qAbs(p1 - p2) <= 0.00001f * qMin(qAbs(p1), qAbs(p2)));
}
/*!
\internal
*/
Q_DECL_CONSTEXPR static inline bool qFuzzyIsNull(double d)
{
return qAbs(d) <= 0.000000000001;
}
/*!
\internal
*/
Q_DECL_CONSTEXPR static inline bool qFuzzyIsNull(float f)
{
return qAbs(f) <= 0.00001f;
}
/*
This function tests a double for a null value. It doesn't
check whether the actual value is 0 or close to 0, but whether
it is binary 0, disregarding sign.
*/
static inline bool qIsNull(double d)
{
union U {
double d;
quint64 u;
};
U val;
val.d = d;
return (val.u & Q_UINT64_C(0x7fffffffffffffff)) == 0;
}
/*
This function tests a float for a null value. It doesn't
check whether the actual value is 0 or close to 0, but whether
it is binary 0, disregarding sign.
*/
static inline bool qIsNull(float f)
{
union U {
float f;
quint32 u;
};
U val;
val.f = f;
return (val.u & 0x7fffffff) == 0;
}
/*
Compilers which follow outdated template instantiation rules
require a class to have a comparison operator to exist when
a QList of this type is instantiated. It's not actually
used in the list, though. Hence the dummy implementation.
Just in case other code relies on it we better trigger a warning
mandating a real implementation.
*/
#ifdef Q_FULL_TEMPLATE_INSTANTIATION
# define Q_DUMMY_COMPARISON_OPERATOR(C) \
bool operator==(const C&) const { \
qWarning(#C"::operator==(const "#C"&) was called"); \
return false; \
}
#else
# define Q_DUMMY_COMPARISON_OPERATOR(C)
#endif
template <typename T>
inline void qSwap(T &value1, T &value2)
{
using std::swap;
swap(value1, value2);
}
#if QT_DEPRECATED_SINCE(5, 0)
Q_CORE_EXPORT QT_DEPRECATED void *qMalloc(size_t size) Q_ALLOC_SIZE(1);
Q_CORE_EXPORT QT_DEPRECATED void qFree(void *ptr);
Q_CORE_EXPORT QT_DEPRECATED void *qRealloc(void *ptr, size_t size) Q_ALLOC_SIZE(2);
Q_CORE_EXPORT QT_DEPRECATED void *qMemCopy(void *dest, const void *src, size_t n);
Q_CORE_EXPORT QT_DEPRECATED void *qMemSet(void *dest, int c, size_t n);
#endif
Q_CORE_EXPORT void *qMallocAligned(size_t size, size_t alignment) Q_ALLOC_SIZE(1);
Q_CORE_EXPORT void *qReallocAligned(void *ptr, size_t size, size_t oldsize, size_t alignment) Q_ALLOC_SIZE(2);
Q_CORE_EXPORT void qFreeAligned(void *ptr);
/*
Avoid some particularly useless warnings from some stupid compilers.
To get ALL C++ compiler warnings, define QT_CC_WARNINGS or comment out
the line "#define QT_NO_WARNINGS".
*/
#if !defined(QT_CC_WARNINGS)
# define QT_NO_WARNINGS
#endif
#if defined(QT_NO_WARNINGS)
# if defined(Q_CC_MSVC)
# pragma warning(disable: 4251) /* class 'A' needs to have dll interface for to be used by clients of class 'B'. */
# pragma warning(disable: 4244) /* 'conversion' conversion from 'type1' to 'type2', possible loss of data */
# pragma warning(disable: 4275) /* non - DLL-interface classkey 'identifier' used as base for DLL-interface classkey 'identifier' */
# pragma warning(disable: 4514) /* unreferenced inline/local function has been removed */
# pragma warning(disable: 4800) /* 'type' : forcing value to bool 'true' or 'false' (performance warning) */
# pragma warning(disable: 4097) /* typedef-name 'identifier1' used as synonym for class-name 'identifier2' */
# pragma warning(disable: 4706) /* assignment within conditional expression */
# pragma warning(disable: 4786) /* truncating debug info after 255 characters */
# pragma warning(disable: 4660) /* template-class specialization 'identifier' is already instantiated */
# pragma warning(disable: 4355) /* 'this' : used in base member initializer list */
# pragma warning(disable: 4231) /* nonstandard extension used : 'extern' before template explicit instantiation */
# pragma warning(disable: 4710) /* function not inlined */
# pragma warning(disable: 4530) /* C++ exception handler used, but unwind semantics are not enabled. Specify -GX */
# elif defined(Q_CC_BOR)
# pragma option -w-inl
# pragma option -w-aus
# pragma warn -inl
# pragma warn -pia
# pragma warn -ccc
# pragma warn -rch
# pragma warn -sig
# endif
#endif
#if defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && !defined(Q_CC_RVCT)
/* make use of typeof-extension */
template <typename T>
class QForeachContainer {
public:
inline QForeachContainer(const T& t) : c(t), brk(0), i(c.begin()), e(c.end()) { }
const T c;
int brk;
typename T::const_iterator i, e;
};
#define Q_FOREACH(variable, container) \
for (QForeachContainer<__typeof__(container)> _container_(container); \
!_container_.brk && _container_.i != _container_.e; \
__extension__ ({ ++_container_.brk; ++_container_.i; })) \
for (variable = *_container_.i;; __extension__ ({--_container_.brk; break;}))
#else
struct QForeachContainerBase {};
template <typename T>
class QForeachContainer : public QForeachContainerBase {
public:
inline QForeachContainer(const T& t): c(t), brk(0), i(c.begin()), e(c.end()){}
const T c;
mutable int brk;
mutable typename T::const_iterator i, e;
inline bool condition() const { return (!brk++ && i != e); }
};
template <typename T> inline T *qForeachPointer(const T &) { return 0; }
template <typename T> inline QForeachContainer<T> qForeachContainerNew(const T& t)
{ return QForeachContainer<T>(t); }
template <typename T>
inline const QForeachContainer<T> *qForeachContainer(const QForeachContainerBase *base, const T *)
{ return static_cast<const QForeachContainer<T> *>(base); }
#if defined(Q_CC_DIAB)
// VxWorks DIAB generates unresolvable symbols, if container is a function call
# define Q_FOREACH(variable,container) \
if(0){}else \
for (const QForeachContainerBase &_container_ = qForeachContainerNew(container); \
qForeachContainer(&_container_, (__typeof__(container) *) 0)->condition(); \
++qForeachContainer(&_container_, (__typeof__(container) *) 0)->i) \
for (variable = *qForeachContainer(&_container_, (__typeof__(container) *) 0)->i; \
qForeachContainer(&_container_, (__typeof__(container) *) 0)->brk; \
--qForeachContainer(&_container_, (__typeof__(container) *) 0)->brk)
#else
# define Q_FOREACH(variable, container) \
for (const QForeachContainerBase &_container_ = qForeachContainerNew(container); \
qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->condition(); \
++qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->i) \
for (variable = *qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->i; \
qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->brk; \
--qForeachContainer(&_container_, true ? 0 : qForeachPointer(container))->brk)
#endif // MSVC6 || MIPSpro
#endif
#define Q_FOREVER for(;;)
#ifndef QT_NO_KEYWORDS
# ifndef foreach
# define foreach Q_FOREACH
# endif
# ifndef forever
# define forever Q_FOREVER
# endif
#endif
template <typename T> static inline T *qGetPtrHelper(T *ptr) { return ptr; }
template <typename Wrapper> static inline typename Wrapper::pointer qGetPtrHelper(const Wrapper &p) { return p.data(); }
#define Q_DECLARE_PRIVATE(Class) \
inline Class##Private* d_func() { return reinterpret_cast<Class##Private *>(qGetPtrHelper(d_ptr)); } \
inline const Class##Private* d_func() const { return reinterpret_cast<const Class##Private *>(qGetPtrHelper(d_ptr)); } \
friend class Class##Private;
#define Q_DECLARE_PRIVATE_D(Dptr, Class) \
inline Class##Private* d_func() { return reinterpret_cast<Class##Private *>(Dptr); } \
inline const Class##Private* d_func() const { return reinterpret_cast<const Class##Private *>(Dptr); } \
friend class Class##Private;
#define Q_DECLARE_PUBLIC(Class) \