diff options
Diffstat (limited to 'src/corelib/global')
34 files changed, 4303 insertions, 445 deletions
diff --git a/src/corelib/global/archdetect.cpp b/src/corelib/global/archdetect.cpp index 66a5e074f6..1d00b7f5a5 100644 --- a/src/corelib/global/archdetect.cpp +++ b/src/corelib/global/archdetect.cpp @@ -67,6 +67,10 @@ # define ARCH_PROCESSOR "power" #elif defined(Q_PROCESSOR_POWER_64) # define ARCH_PROCESSOR "power64" +#elif defined(Q_PROCESSOR_RISCV_32) +# define ARCH_PROCESSOR "riscv32" +#elif defined(Q_PROCESSOR_RISCV_64) +# define ARCH_PROCESSOR "riscv64" #elif defined(Q_PROCESSOR_S390_X) # define ARCH_PROCESSOR "s390x" #elif defined(Q_PROCESSOR_S390) diff --git a/src/corelib/global/global.pri b/src/corelib/global/global.pri index 029357ff43..1da69aba9b 100644 --- a/src/corelib/global/global.pri +++ b/src/corelib/global/global.pri @@ -7,12 +7,12 @@ HEADERS += \ global/qsystemdetection.h \ global/qcompilerdetection.h \ global/qprocessordetection.h \ + global/qmemory_p.h \ global/qnamespace.h \ global/qendian.h \ global/qendian_p.h \ global/qnumeric_p.h \ global/qnumeric.h \ - global/qfloat16_p.h \ global/qfloat16.h \ global/qglobalstatic.h \ global/qlibraryinfo.h \ @@ -40,6 +40,10 @@ SOURCES += \ global/qrandom.cpp \ global/qhooks.cpp +# To get listed in IDEs +false: SOURCES += \ + global/qfloat16tables.cpp + # Only add global/qfloat16_f16c.c if qfloat16.cpp can't #include it. # Any compiler: if it is already generating F16C code, let qfloat16.cpp do it # Clang: ICE if not generating F16C code, so use qfloat16_f16c.c @@ -124,14 +128,3 @@ gcc:ltcg { } else { SOURCES += $$VERSIONTAGGING_SOURCES } - -QMAKE_QFLOAT16_TABLES_GENERATE = global/qfloat16.h - -qtPrepareTool(QMAKE_QFLOAT16_TABLES, qfloat16-tables) - -qfloat16_tables.commands = $$QMAKE_QFLOAT16_TABLES ${QMAKE_FILE_OUT} -qfloat16_tables.output = global/qfloat16tables.cpp -qfloat16_tables.depends = $$QMAKE_QFLOAT16_TABLES_EXE -qfloat16_tables.input = QMAKE_QFLOAT16_TABLES_GENERATE -qfloat16_tables.variable_out = SOURCES -QMAKE_EXTRA_COMPILERS += qfloat16_tables diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h index 345ab9e8ad..e47f284a42 100644 --- a/src/corelib/global/qcompilerdetection.h +++ b/src/corelib/global/qcompilerdetection.h @@ -110,12 +110,6 @@ # define Q_CC_INTEL __INTEL_COMPILER # endif -/* only defined for MSVC since that's the only compiler that actually optimizes for this */ -/* might get overridden further down when Q_COMPILER_NOEXCEPT is detected */ -# ifdef __cplusplus -# define Q_DECL_NOTHROW throw() -# endif - #elif defined(__BORLANDC__) || defined(__TURBOC__) # define Q_CC_BOR # define Q_INLINE_TEMPLATE @@ -1128,16 +1122,11 @@ #ifdef Q_COMPILER_NOEXCEPT # define Q_DECL_NOEXCEPT noexcept # define Q_DECL_NOEXCEPT_EXPR(x) noexcept(x) -# ifdef Q_DECL_NOTHROW -# undef Q_DECL_NOTHROW /* override with C++11 noexcept if available */ -# endif #else # define Q_DECL_NOEXCEPT # define Q_DECL_NOEXCEPT_EXPR(x) #endif -#ifndef Q_DECL_NOTHROW -# define Q_DECL_NOTHROW Q_DECL_NOEXCEPT -#endif +#define Q_DECL_NOTHROW Q_DECL_NOEXCEPT #if defined(Q_COMPILER_ALIGNOF) # undef Q_ALIGNOF diff --git a/src/corelib/global/qconfig-bootstrapped.h b/src/corelib/global/qconfig-bootstrapped.h index 10458e41d7..e6ad80525a 100644 --- a/src/corelib/global/qconfig-bootstrapped.h +++ b/src/corelib/global/qconfig-bootstrapped.h @@ -79,12 +79,16 @@ #define QT_NO_DATASTREAM #define QT_FEATURE_datestring 1 #define QT_FEATURE_datetimeparser -1 +#define QT_FEATURE_easingcurve -1 #define QT_FEATURE_etw -1 #define QT_FEATURE_getauxval (QT_HAS_INCLUDE(<sys/auxv.h>) ? 1 : -1) #define QT_FEATURE_getentropy -1 #define QT_NO_GEOM_VARIANT +#define QT_FEATURE_hijricalendar -1 #define QT_FEATURE_iconv -1 #define QT_FEATURE_icu -1 +#define QT_FEATURE_islamiccivilcalendar -1 +#define QT_FEATURE_jalalicalendar -1 #define QT_FEATURE_journald -1 #define QT_FEATURE_futimens -1 #define QT_FEATURE_futimes -1 @@ -105,6 +109,7 @@ # define QT_FEATURE_renameat2 -1 #endif #define QT_FEATURE_sharedmemory -1 +#define QT_FEATURE_signaling_nan -1 #define QT_FEATURE_slog2 -1 #ifdef __GLIBC_PREREQ # define QT_FEATURE_statx (__GLIBC_PREREQ(2, 28) ? 1 : -1) diff --git a/src/corelib/global/qflags.h b/src/corelib/global/qflags.h index e9fee5f23e..bd3c219968 100644 --- a/src/corelib/global/qflags.h +++ b/src/corelib/global/qflags.h @@ -42,9 +42,7 @@ #ifndef QFLAGS_H #define QFLAGS_H -#ifdef Q_COMPILER_INITIALIZER_LISTS #include <initializer_list> -#endif QT_BEGIN_NAMESPACE @@ -54,21 +52,21 @@ class QFlag { int i; public: - Q_DECL_CONSTEXPR inline QFlag(int value) Q_DECL_NOTHROW : i(value) {} - Q_DECL_CONSTEXPR inline operator int() const Q_DECL_NOTHROW { return i; } + Q_DECL_CONSTEXPR inline QFlag(int value) noexcept : i(value) {} + Q_DECL_CONSTEXPR inline operator int() const noexcept { return i; } #if !defined(Q_CC_MSVC) // Microsoft Visual Studio has buggy behavior when it comes to // unsigned enums: even if the enum is unsigned, the enum tags are // always signed # if !defined(__LP64__) && !defined(Q_CLANG_QDOC) - Q_DECL_CONSTEXPR inline QFlag(long value) Q_DECL_NOTHROW : i(int(value)) {} - Q_DECL_CONSTEXPR inline QFlag(ulong value) Q_DECL_NOTHROW : i(int(long(value))) {} + Q_DECL_CONSTEXPR inline QFlag(long value) noexcept : i(int(value)) {} + Q_DECL_CONSTEXPR inline QFlag(ulong value) noexcept : i(int(long(value))) {} # endif - Q_DECL_CONSTEXPR inline QFlag(uint value) Q_DECL_NOTHROW : i(int(value)) {} - Q_DECL_CONSTEXPR inline QFlag(short value) Q_DECL_NOTHROW : i(int(value)) {} - Q_DECL_CONSTEXPR inline QFlag(ushort value) Q_DECL_NOTHROW : i(int(uint(value))) {} - Q_DECL_CONSTEXPR inline operator uint() const Q_DECL_NOTHROW { return uint(i); } + Q_DECL_CONSTEXPR inline QFlag(uint value) noexcept : i(int(value)) {} + Q_DECL_CONSTEXPR inline QFlag(short value) noexcept : i(int(value)) {} + Q_DECL_CONSTEXPR inline QFlag(ushort value) noexcept : i(int(uint(value))) {} + Q_DECL_CONSTEXPR inline operator uint() const noexcept { return uint(i); } #endif }; Q_DECLARE_TYPEINFO(QFlag, Q_PRIMITIVE_TYPE); @@ -77,12 +75,12 @@ class QIncompatibleFlag { int i; public: - Q_DECL_CONSTEXPR inline explicit QIncompatibleFlag(int i) Q_DECL_NOTHROW; - Q_DECL_CONSTEXPR inline operator int() const Q_DECL_NOTHROW { return i; } + Q_DECL_CONSTEXPR inline explicit QIncompatibleFlag(int i) noexcept; + Q_DECL_CONSTEXPR inline operator int() const noexcept { return i; } }; Q_DECLARE_TYPEINFO(QIncompatibleFlag, Q_PRIMITIVE_TYPE); -Q_DECL_CONSTEXPR inline QIncompatibleFlag::QIncompatibleFlag(int value) Q_DECL_NOTHROW : i(value) {} +Q_DECL_CONSTEXPR inline QIncompatibleFlag::QIncompatibleFlag(int value) noexcept : i(value) {} #ifndef Q_NO_TYPESAFE_FLAGS @@ -117,51 +115,47 @@ public: Q_DECL_CONSTEXPR inline QFlags(const QFlags &other); Q_DECL_CONSTEXPR inline QFlags &operator=(const QFlags &other); #endif - Q_DECL_CONSTEXPR inline QFlags(Enum flags) Q_DECL_NOTHROW : i(Int(flags)) {} - Q_DECL_CONSTEXPR inline QFlags(Zero = Q_NULLPTR) Q_DECL_NOTHROW : i(0) {} - Q_DECL_CONSTEXPR inline QFlags(QFlag flag) Q_DECL_NOTHROW : i(flag) {} + Q_DECL_CONSTEXPR inline QFlags(Enum flags) noexcept : i(Int(flags)) {} + Q_DECL_CONSTEXPR inline QFlags(Zero = nullptr) noexcept : i(0) {} + Q_DECL_CONSTEXPR inline QFlags(QFlag flag) noexcept : i(flag) {} -#ifdef Q_COMPILER_INITIALIZER_LISTS - Q_DECL_CONSTEXPR inline QFlags(std::initializer_list<Enum> flags) Q_DECL_NOTHROW + Q_DECL_CONSTEXPR inline QFlags(std::initializer_list<Enum> flags) noexcept : i(initializer_list_helper(flags.begin(), flags.end())) {} -#endif - Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(int mask) Q_DECL_NOTHROW { i &= mask; return *this; } - Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(uint mask) Q_DECL_NOTHROW { i &= mask; return *this; } - Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(Enum mask) Q_DECL_NOTHROW { i &= Int(mask); return *this; } - Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator|=(QFlags other) Q_DECL_NOTHROW { i |= other.i; return *this; } - Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator|=(Enum other) Q_DECL_NOTHROW { i |= Int(other); return *this; } - Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator^=(QFlags other) Q_DECL_NOTHROW { i ^= other.i; return *this; } - Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator^=(Enum other) Q_DECL_NOTHROW { i ^= Int(other); return *this; } - - Q_DECL_CONSTEXPR inline operator Int() const Q_DECL_NOTHROW { return i; } - - Q_DECL_CONSTEXPR inline QFlags operator|(QFlags other) const Q_DECL_NOTHROW { return QFlags(QFlag(i | other.i)); } - Q_DECL_CONSTEXPR inline QFlags operator|(Enum other) const Q_DECL_NOTHROW { return QFlags(QFlag(i | Int(other))); } - Q_DECL_CONSTEXPR inline QFlags operator^(QFlags other) const Q_DECL_NOTHROW { return QFlags(QFlag(i ^ other.i)); } - Q_DECL_CONSTEXPR inline QFlags operator^(Enum other) const Q_DECL_NOTHROW { return QFlags(QFlag(i ^ Int(other))); } - Q_DECL_CONSTEXPR inline QFlags operator&(int mask) const Q_DECL_NOTHROW { return QFlags(QFlag(i & mask)); } - Q_DECL_CONSTEXPR inline QFlags operator&(uint mask) const Q_DECL_NOTHROW { return QFlags(QFlag(i & mask)); } - Q_DECL_CONSTEXPR inline QFlags operator&(Enum other) const Q_DECL_NOTHROW { return QFlags(QFlag(i & Int(other))); } - Q_DECL_CONSTEXPR inline QFlags operator~() const Q_DECL_NOTHROW { return QFlags(QFlag(~i)); } - - Q_DECL_CONSTEXPR inline bool operator!() const Q_DECL_NOTHROW { return !i; } - - Q_DECL_CONSTEXPR inline bool testFlag(Enum flag) const Q_DECL_NOTHROW { return (i & Int(flag)) == Int(flag) && (Int(flag) != 0 || i == Int(flag) ); } - Q_DECL_RELAXED_CONSTEXPR inline QFlags &setFlag(Enum flag, bool on = true) Q_DECL_NOTHROW + Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(int mask) noexcept { i &= mask; return *this; } + Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(uint mask) noexcept { i &= mask; return *this; } + Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(Enum mask) noexcept { i &= Int(mask); return *this; } + Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator|=(QFlags other) noexcept { i |= other.i; return *this; } + Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator|=(Enum other) noexcept { i |= Int(other); return *this; } + Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator^=(QFlags other) noexcept { i ^= other.i; return *this; } + Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator^=(Enum other) noexcept { i ^= Int(other); return *this; } + + Q_DECL_CONSTEXPR inline operator Int() const noexcept { return i; } + + Q_DECL_CONSTEXPR inline QFlags operator|(QFlags other) const noexcept { return QFlags(QFlag(i | other.i)); } + Q_DECL_CONSTEXPR inline QFlags operator|(Enum other) const noexcept { return QFlags(QFlag(i | Int(other))); } + Q_DECL_CONSTEXPR inline QFlags operator^(QFlags other) const noexcept { return QFlags(QFlag(i ^ other.i)); } + Q_DECL_CONSTEXPR inline QFlags operator^(Enum other) const noexcept { return QFlags(QFlag(i ^ Int(other))); } + Q_DECL_CONSTEXPR inline QFlags operator&(int mask) const noexcept { return QFlags(QFlag(i & mask)); } + Q_DECL_CONSTEXPR inline QFlags operator&(uint mask) const noexcept { return QFlags(QFlag(i & mask)); } + Q_DECL_CONSTEXPR inline QFlags operator&(Enum other) const noexcept { return QFlags(QFlag(i & Int(other))); } + Q_DECL_CONSTEXPR inline QFlags operator~() const noexcept { return QFlags(QFlag(~i)); } + + Q_DECL_CONSTEXPR inline bool operator!() const noexcept { return !i; } + + Q_DECL_CONSTEXPR inline bool testFlag(Enum flag) const noexcept { return (i & Int(flag)) == Int(flag) && (Int(flag) != 0 || i == Int(flag) ); } + Q_DECL_RELAXED_CONSTEXPR inline QFlags &setFlag(Enum flag, bool on = true) noexcept { return on ? (*this |= flag) : (*this &= ~Int(flag)); } private: -#ifdef Q_COMPILER_INITIALIZER_LISTS Q_DECL_CONSTEXPR static inline Int initializer_list_helper(typename std::initializer_list<Enum>::const_iterator it, typename std::initializer_list<Enum>::const_iterator end) - Q_DECL_NOTHROW + noexcept { return (it == end ? Int(0) : (Int(*it) | initializer_list_helper(it + 1, end))); } -#endif Int i; }; @@ -172,13 +166,13 @@ typedef QFlags<Enum> Flags; #endif #define Q_DECLARE_INCOMPATIBLE_FLAGS(Flags) \ -Q_DECL_CONSTEXPR inline QIncompatibleFlag operator|(Flags::enum_type f1, int f2) Q_DECL_NOTHROW \ +Q_DECL_CONSTEXPR inline QIncompatibleFlag operator|(Flags::enum_type f1, int f2) noexcept \ { return QIncompatibleFlag(int(f1) | f2); } #define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags) \ -Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) Q_DECL_NOTHROW \ +Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) noexcept \ { return QFlags<Flags::enum_type>(f1) | f2; } \ -Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \ +Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) noexcept \ { return f2 | f1; } Q_DECLARE_INCOMPATIBLE_FLAGS(Flags) diff --git a/src/corelib/global/qfloat16.cpp b/src/corelib/global/qfloat16.cpp index 87ff796368..6c21b7de5a 100644 --- a/src/corelib/global/qfloat16.cpp +++ b/src/corelib/global/qfloat16.cpp @@ -1,5 +1,6 @@ /**************************************************************************** ** +** Copyright (C) 2019 The Qt Company Ltd. ** Copyright (C) 2016 by Southwest Research Institute (R) ** Contact: http://www.qt-project.org/legal ** @@ -37,8 +38,9 @@ ** ****************************************************************************/ -#include "qfloat16_p.h" +#include "qfloat16.h" #include "private/qsimd_p.h" +#include <cmath> // for fpclassify()'s return values QT_BEGIN_NAMESPACE @@ -78,28 +80,83 @@ QT_BEGIN_NAMESPACE */ /*! - Returns true if the \c qfloat16 \a {f} is equivalent to infinity. + \fn bool qIsInf(qfloat16 f) \relates <QFloat16> + Returns true if the \c qfloat16 \a {f} is equivalent to infinity. + \sa qIsInf */ -Q_REQUIRED_RESULT bool qIsInf(qfloat16 f) Q_DECL_NOTHROW { return qt_is_inf(f); } /*! - Returns true if the \c qfloat16 \a {f} is not a number (NaN). + \fn bool qIsNaN(qfloat16 f) \relates <QFloat16> + Returns true if the \c qfloat16 \a {f} is not a number (NaN). + \sa qIsNaN */ -Q_REQUIRED_RESULT bool qIsNaN(qfloat16 f) Q_DECL_NOTHROW { return qt_is_nan(f); } /*! - Returns true if the \c qfloat16 \a {f} is a finite number. + \fn bool qIsFinite(qfloat16 f) \relates <QFloat16> + Returns true if the \c qfloat16 \a {f} is a finite number. + \sa qIsFinite */ -Q_REQUIRED_RESULT bool qIsFinite(qfloat16 f) Q_DECL_NOTHROW { return qt_is_finite(f); } + +/*! + \internal + \since 5.14 + bool qfloat16::isInf() const noexcept + + Tests whether this \c qfloat16 value is an infinity. + + \sa qIsInf() +*/ + +/*! + \internal + \since 5.14 + bool qfloat16::isNaN() const noexcept + + Tests whether this \c qfloat16 value is "not a number". + + \sa qIsNaN() +*/ + +/*! + \since 5.14 + bool qfloat16::isNormal() const noexcept + + Tests whether this \c qfloat16 value is finite and in normal form. + + \sa qFpClassify() +*/ + +/*! + \internal + \since 5.14 + bool qfloat16::isFinite() const noexcept + + Tests whether this \c qfloat16 value is finite. + + \sa qIsFinite() +*/ + +/*! + \internal + \since 5.14 + Implements qFpClassify() for qfloat16. + + \sa qFpClassify() +*/ +int qfloat16::fpClassify() const noexcept +{ + return isInf() ? FP_INFINITE : isNaN() ? FP_NAN + : !(b16 & 0x7fff) ? FP_ZERO : isNormal() ? FP_NORMAL : FP_SUBNORMAL; +} /*! \fn int qRound(qfloat16 value) \relates <QFloat16> @@ -142,8 +199,8 @@ extern "C" { # define f16cextern extern #endif -f16cextern void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) Q_DECL_NOTHROW; -f16cextern void qFloatFromFloat16_fast(float *out, const quint16 *in, qsizetype len) Q_DECL_NOTHROW; +f16cextern void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) noexcept; +f16cextern void qFloatFromFloat16_fast(float *out, const quint16 *in, qsizetype len) noexcept; #undef f16cextern } @@ -154,7 +211,7 @@ static inline bool hasFastF16() return true; } -static void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) Q_DECL_NOTHROW +static void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) noexcept { __fp16 *out_f16 = reinterpret_cast<__fp16 *>(out); qsizetype i = 0; @@ -164,7 +221,7 @@ static void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) Q out_f16[i] = __fp16(in[i]); } -static void qFloatFromFloat16_fast(float *out, const quint16 *in, qsizetype len) Q_DECL_NOTHROW +static void qFloatFromFloat16_fast(float *out, const quint16 *in, qsizetype len) noexcept { const __fp16 *in_f16 = reinterpret_cast<const __fp16 *>(in); qsizetype i = 0; @@ -179,12 +236,12 @@ static inline bool hasFastF16() return false; } -static void qFloatToFloat16_fast(quint16 *, const float *, qsizetype) Q_DECL_NOTHROW +static void qFloatToFloat16_fast(quint16 *, const float *, qsizetype) noexcept { Q_UNREACHABLE(); } -static void qFloatFromFloat16_fast(float *, const quint16 *, qsizetype) Q_DECL_NOTHROW +static void qFloatFromFloat16_fast(float *, const quint16 *, qsizetype) noexcept { Q_UNREACHABLE(); } @@ -196,7 +253,7 @@ static void qFloatFromFloat16_fast(float *, const quint16 *, qsizetype) Q_DECL_N Converts \a len floats from \a in to qfloat16 and stores them in \a out. Both \a in and \a out must have \a len allocated entries. */ -Q_CORE_EXPORT void qFloatToFloat16(qfloat16 *out, const float *in, qsizetype len) Q_DECL_NOTHROW +Q_CORE_EXPORT void qFloatToFloat16(qfloat16 *out, const float *in, qsizetype len) noexcept { if (hasFastF16()) return qFloatToFloat16_fast(reinterpret_cast<quint16 *>(out), in, len); @@ -212,7 +269,7 @@ Q_CORE_EXPORT void qFloatToFloat16(qfloat16 *out, const float *in, qsizetype len Converts \a len qfloat16 from \a in to floats and stores them in \a out. Both \a in and \a out must have \a len allocated entries. */ -Q_CORE_EXPORT void qFloatFromFloat16(float *out, const qfloat16 *in, qsizetype len) Q_DECL_NOTHROW +Q_CORE_EXPORT void qFloatFromFloat16(float *out, const qfloat16 *in, qsizetype len) noexcept { if (hasFastF16()) return qFloatFromFloat16_fast(out, reinterpret_cast<const quint16 *>(in), len); @@ -223,6 +280,7 @@ Q_CORE_EXPORT void qFloatFromFloat16(float *out, const qfloat16 *in, qsizetype l QT_END_NAMESPACE +#include "qfloat16tables.cpp" #ifdef QFLOAT16_INCLUDE_FAST # include "qfloat16_f16c.c" #endif diff --git a/src/corelib/global/qfloat16.h b/src/corelib/global/qfloat16.h index fc006db3f2..9a4f1800a4 100644 --- a/src/corelib/global/qfloat16.h +++ b/src/corelib/global/qfloat16.h @@ -1,5 +1,6 @@ /**************************************************************************** ** +** Copyright (C) 2019 The Qt Company Ltd. ** Copyright (C) 2016 by Southwest Research Institute (R) ** Contact: http://www.qt-project.org/legal ** @@ -66,13 +67,37 @@ QT_BEGIN_NAMESPACE class qfloat16 { + struct Wrap + { + // To let our private constructor work, without other code seeing + // ambiguity when constructing from int, double &c. + quint16 b16; + constexpr inline explicit Wrap(int value) : b16(value) {} + }; public: - Q_DECL_CONSTEXPR inline qfloat16() Q_DECL_NOTHROW : b16(0) { } - inline qfloat16(float f) Q_DECL_NOTHROW; - inline operator float() const Q_DECL_NOTHROW; - + constexpr inline qfloat16() noexcept : b16(0) {} + inline qfloat16(float f) noexcept; + inline operator float() const noexcept; + + // Support for qIs{Inf,NaN,Finite}: + bool isInf() const noexcept { return ((b16 >> 8) & 0x7e) == 0x7c; } + bool isNaN() const noexcept { return ((b16 >> 8) & 0x7e) == 0x7e; } + bool isFinite() const noexcept { return ((b16 >> 8) & 0x7c) != 0x7c; } + Q_CORE_EXPORT int fpClassify() const noexcept; + // Support for std::numeric_limits<qfloat16> + static constexpr qfloat16 _limit_epsilon() noexcept { return qfloat16(Wrap(0x1400)); } + static constexpr qfloat16 _limit_min() noexcept { return qfloat16(Wrap(0x400)); } + static constexpr qfloat16 _limit_denorm_min() noexcept { return qfloat16(Wrap(1)); } + static constexpr qfloat16 _limit_max() noexcept { return qfloat16(Wrap(0x7bff)); } + static constexpr qfloat16 _limit_lowest() noexcept { return qfloat16(Wrap(0xfbff)); } + static constexpr qfloat16 _limit_infinity() noexcept { return qfloat16(Wrap(0x7c00)); } + static constexpr qfloat16 _limit_quiet_NaN() noexcept { return qfloat16(Wrap(0x7e00)); } + // Signalling NaN is 0x7f00 + inline constexpr bool isNormal() const noexcept + { return (b16 & 0x7fff) == 0 || ((b16 & 0x7c00) && (b16 & 0x7c00) != 0x7c00); } private: quint16 b16; + constexpr inline explicit qfloat16(Wrap nibble) noexcept : b16(nibble.b16) {} Q_CORE_EXPORT static const quint32 mantissatable[]; Q_CORE_EXPORT static const quint32 exponenttable[]; @@ -80,29 +105,32 @@ private: Q_CORE_EXPORT static const quint32 basetable[]; Q_CORE_EXPORT static const quint32 shifttable[]; - friend bool qIsNull(qfloat16 f) Q_DECL_NOTHROW; + friend bool qIsNull(qfloat16 f) noexcept; #if !defined(QT_NO_FLOAT16_OPERATORS) - friend qfloat16 operator-(qfloat16 a) Q_DECL_NOTHROW; + friend qfloat16 operator-(qfloat16 a) noexcept; #endif }; Q_DECLARE_TYPEINFO(qfloat16, Q_PRIMITIVE_TYPE); -Q_CORE_EXPORT void qFloatToFloat16(qfloat16 *, const float *, qsizetype length) Q_DECL_NOTHROW; -Q_CORE_EXPORT void qFloatFromFloat16(float *, const qfloat16 *, qsizetype length) Q_DECL_NOTHROW; +Q_CORE_EXPORT void qFloatToFloat16(qfloat16 *, const float *, qsizetype length) noexcept; +Q_CORE_EXPORT void qFloatFromFloat16(float *, const qfloat16 *, qsizetype length) noexcept; -Q_REQUIRED_RESULT Q_CORE_EXPORT bool qIsInf(qfloat16 f) Q_DECL_NOTHROW; // complements qnumeric.h -Q_REQUIRED_RESULT Q_CORE_EXPORT bool qIsNaN(qfloat16 f) Q_DECL_NOTHROW; // complements qnumeric.h -Q_REQUIRED_RESULT Q_CORE_EXPORT bool qIsFinite(qfloat16 f) Q_DECL_NOTHROW; // complements qnumeric.h +// Complement qnumeric.h: +Q_REQUIRED_RESULT inline bool qIsInf(qfloat16 f) noexcept { return f.isInf(); } +Q_REQUIRED_RESULT inline bool qIsNaN(qfloat16 f) noexcept { return f.isNaN(); } +Q_REQUIRED_RESULT inline bool qIsFinite(qfloat16 f) noexcept { return f.isFinite(); } +Q_REQUIRED_RESULT inline int qFpClassify(qfloat16 f) noexcept { return f.fpClassify(); } +// Q_REQUIRED_RESULT quint32 qFloatDistance(qfloat16 a, qfloat16 b); // The remainder of these utility functions complement qglobal.h -Q_REQUIRED_RESULT inline int qRound(qfloat16 d) Q_DECL_NOTHROW +Q_REQUIRED_RESULT inline int qRound(qfloat16 d) noexcept { return qRound(static_cast<float>(d)); } -Q_REQUIRED_RESULT inline qint64 qRound64(qfloat16 d) Q_DECL_NOTHROW +Q_REQUIRED_RESULT inline qint64 qRound64(qfloat16 d) noexcept { return qRound64(static_cast<float>(d)); } -Q_REQUIRED_RESULT inline bool qFuzzyCompare(qfloat16 p1, qfloat16 p2) Q_DECL_NOTHROW +Q_REQUIRED_RESULT inline bool qFuzzyCompare(qfloat16 p1, qfloat16 p2) noexcept { float f1 = static_cast<float>(p1); float f2 = static_cast<float>(p2); @@ -115,19 +143,19 @@ Q_REQUIRED_RESULT inline bool qFuzzyCompare(qfloat16 p1, qfloat16 p2) Q_DECL_NOT return (qAbs(f1 - f2) * 102.5f <= qMin(qAbs(f1), qAbs(f2))); } -Q_REQUIRED_RESULT inline bool qIsNull(qfloat16 f) Q_DECL_NOTHROW +Q_REQUIRED_RESULT inline bool qIsNull(qfloat16 f) noexcept { return (f.b16 & static_cast<quint16>(0x7fff)) == 0; } -inline int qIntCast(qfloat16 f) Q_DECL_NOTHROW +inline int qIntCast(qfloat16 f) noexcept { return int(static_cast<float>(f)); } #ifndef Q_QDOC QT_WARNING_PUSH QT_WARNING_DISABLE_CLANG("-Wc99-extensions") QT_WARNING_DISABLE_GCC("-Wold-style-cast") -inline qfloat16::qfloat16(float f) Q_DECL_NOTHROW +inline qfloat16::qfloat16(float f) noexcept { #if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__F16C__) __m128 packsingle = _mm_set_ss(f); @@ -145,7 +173,7 @@ inline qfloat16::qfloat16(float f) Q_DECL_NOTHROW } QT_WARNING_POP -inline qfloat16::operator float() const Q_DECL_NOTHROW +inline qfloat16::operator float() const noexcept { #if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__F16C__) __m128i packhalf = _mm_cvtsi32_si128(b16); @@ -166,23 +194,23 @@ inline qfloat16::operator float() const Q_DECL_NOTHROW #endif #if !defined(QT_NO_FLOAT16_OPERATORS) -inline qfloat16 operator-(qfloat16 a) Q_DECL_NOTHROW +inline qfloat16 operator-(qfloat16 a) noexcept { qfloat16 f; f.b16 = a.b16 ^ quint16(0x8000); return f; } -inline qfloat16 operator+(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return qfloat16(static_cast<float>(a) + static_cast<float>(b)); } -inline qfloat16 operator-(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return qfloat16(static_cast<float>(a) - static_cast<float>(b)); } -inline qfloat16 operator*(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return qfloat16(static_cast<float>(a) * static_cast<float>(b)); } -inline qfloat16 operator/(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return qfloat16(static_cast<float>(a) / static_cast<float>(b)); } +inline qfloat16 operator+(qfloat16 a, qfloat16 b) noexcept { return qfloat16(static_cast<float>(a) + static_cast<float>(b)); } +inline qfloat16 operator-(qfloat16 a, qfloat16 b) noexcept { return qfloat16(static_cast<float>(a) - static_cast<float>(b)); } +inline qfloat16 operator*(qfloat16 a, qfloat16 b) noexcept { return qfloat16(static_cast<float>(a) * static_cast<float>(b)); } +inline qfloat16 operator/(qfloat16 a, qfloat16 b) noexcept { return qfloat16(static_cast<float>(a) / static_cast<float>(b)); } #define QF16_MAKE_ARITH_OP_FP(FP, OP) \ - inline FP operator OP(qfloat16 lhs, FP rhs) Q_DECL_NOTHROW { return static_cast<FP>(lhs) OP rhs; } \ - inline FP operator OP(FP lhs, qfloat16 rhs) Q_DECL_NOTHROW { return lhs OP static_cast<FP>(rhs); } + inline FP operator OP(qfloat16 lhs, FP rhs) noexcept { return static_cast<FP>(lhs) OP rhs; } \ + inline FP operator OP(FP lhs, qfloat16 rhs) noexcept { return lhs OP static_cast<FP>(rhs); } #define QF16_MAKE_ARITH_OP_EQ_FP(FP, OP_EQ, OP) \ - inline qfloat16& operator OP_EQ(qfloat16& lhs, FP rhs) Q_DECL_NOTHROW \ + inline qfloat16& operator OP_EQ(qfloat16& lhs, FP rhs) noexcept \ { lhs = qfloat16(float(static_cast<FP>(lhs) OP rhs)); return lhs; } #define QF16_MAKE_ARITH_OP(FP) \ QF16_MAKE_ARITH_OP_FP(FP, +) \ @@ -200,8 +228,8 @@ QF16_MAKE_ARITH_OP(float) #undef QF16_MAKE_ARITH_OP_FP #define QF16_MAKE_ARITH_OP_INT(OP) \ - inline double operator OP(qfloat16 lhs, int rhs) Q_DECL_NOTHROW { return static_cast<double>(lhs) OP rhs; } \ - inline double operator OP(int lhs, qfloat16 rhs) Q_DECL_NOTHROW { return lhs OP static_cast<double>(rhs); } + inline double operator OP(qfloat16 lhs, int rhs) noexcept { return static_cast<double>(lhs) OP rhs; } \ + inline double operator OP(int lhs, qfloat16 rhs) noexcept { return lhs OP static_cast<double>(rhs); } QF16_MAKE_ARITH_OP_INT(+) QF16_MAKE_ARITH_OP_INT(-) QF16_MAKE_ARITH_OP_INT(*) @@ -212,16 +240,16 @@ QT_WARNING_PUSH QT_WARNING_DISABLE_CLANG("-Wfloat-equal") QT_WARNING_DISABLE_GCC("-Wfloat-equal") -inline bool operator>(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) > static_cast<float>(b); } -inline bool operator<(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) < static_cast<float>(b); } -inline bool operator>=(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) >= static_cast<float>(b); } -inline bool operator<=(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) <= static_cast<float>(b); } -inline bool operator==(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) == static_cast<float>(b); } -inline bool operator!=(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) != static_cast<float>(b); } +inline bool operator>(qfloat16 a, qfloat16 b) noexcept { return static_cast<float>(a) > static_cast<float>(b); } +inline bool operator<(qfloat16 a, qfloat16 b) noexcept { return static_cast<float>(a) < static_cast<float>(b); } +inline bool operator>=(qfloat16 a, qfloat16 b) noexcept { return static_cast<float>(a) >= static_cast<float>(b); } +inline bool operator<=(qfloat16 a, qfloat16 b) noexcept { return static_cast<float>(a) <= static_cast<float>(b); } +inline bool operator==(qfloat16 a, qfloat16 b) noexcept { return static_cast<float>(a) == static_cast<float>(b); } +inline bool operator!=(qfloat16 a, qfloat16 b) noexcept { return static_cast<float>(a) != static_cast<float>(b); } #define QF16_MAKE_BOOL_OP_FP(FP, OP) \ - inline bool operator OP(qfloat16 lhs, FP rhs) Q_DECL_NOTHROW { return static_cast<FP>(lhs) OP rhs; } \ - inline bool operator OP(FP lhs, qfloat16 rhs) Q_DECL_NOTHROW { return lhs OP static_cast<FP>(rhs); } + inline bool operator OP(qfloat16 lhs, FP rhs) noexcept { return static_cast<FP>(lhs) OP rhs; } \ + inline bool operator OP(FP lhs, qfloat16 rhs) noexcept { return lhs OP static_cast<FP>(rhs); } #define QF16_MAKE_BOOL_OP(FP) \ QF16_MAKE_BOOL_OP_FP(FP, <) \ QF16_MAKE_BOOL_OP_FP(FP, >) \ @@ -236,8 +264,8 @@ QF16_MAKE_BOOL_OP(float) #undef QF16_MAKE_BOOL_OP_FP #define QF16_MAKE_BOOL_OP_INT(OP) \ - inline bool operator OP(qfloat16 a, int b) Q_DECL_NOTHROW { return static_cast<float>(a) OP b; } \ - inline bool operator OP(int a, qfloat16 b) Q_DECL_NOTHROW { return a OP static_cast<float>(b); } + inline bool operator OP(qfloat16 a, int b) noexcept { return static_cast<float>(a) OP b; } \ + inline bool operator OP(int a, qfloat16 b) noexcept { return a OP static_cast<float>(b); } QF16_MAKE_BOOL_OP_INT(>) QF16_MAKE_BOOL_OP_INT(<) QF16_MAKE_BOOL_OP_INT(>=) @@ -252,7 +280,7 @@ QT_WARNING_POP /*! \internal */ -Q_REQUIRED_RESULT inline bool qFuzzyIsNull(qfloat16 f) Q_DECL_NOTHROW +Q_REQUIRED_RESULT inline bool qFuzzyIsNull(qfloat16 f) noexcept { return qAbs(static_cast<float>(f)) <= 0.001f; } @@ -261,4 +289,55 @@ QT_END_NAMESPACE Q_DECLARE_METATYPE(qfloat16) +namespace std { +template<> +class numeric_limits<QT_PREPEND_NAMESPACE(qfloat16)> : public numeric_limits<float> +{ +public: + /* + Treat quint16 b16 as if it were: + uint S: 1; // b16 >> 15 (sign); can be set for zero + uint E: 5; // (b16 >> 10) & 0x1f (offset exponent) + uint M: 10; // b16 & 0x3ff (adjusted mantissa) + + for E == 0: magnitude is M / 2.^{24} + for 0 < E < 31: magnitude is (1. + M / 2.^{10}) * 2.^{E - 15) + for E == 31: not finite + */ + static constexpr int digits = 11; + static constexpr int min_exponent = -13; + static constexpr int max_exponent = 16; + + static constexpr int digits10 = 3; + static constexpr int max_digits10 = 5; + static constexpr int min_exponent10 = -4; + static constexpr int max_exponent10 = 4; + + static constexpr QT_PREPEND_NAMESPACE(qfloat16) epsilon() + { return QT_PREPEND_NAMESPACE(qfloat16)::_limit_epsilon(); } + static constexpr QT_PREPEND_NAMESPACE(qfloat16) (min)() + { return QT_PREPEND_NAMESPACE(qfloat16)::_limit_min(); } + static constexpr QT_PREPEND_NAMESPACE(qfloat16) denorm_min() + { return QT_PREPEND_NAMESPACE(qfloat16)::_limit_denorm_min(); } + static constexpr QT_PREPEND_NAMESPACE(qfloat16) (max)() + { return QT_PREPEND_NAMESPACE(qfloat16)::_limit_max(); } + static constexpr QT_PREPEND_NAMESPACE(qfloat16) lowest() + { return QT_PREPEND_NAMESPACE(qfloat16)::_limit_lowest(); } + static constexpr QT_PREPEND_NAMESPACE(qfloat16) infinity() + { return QT_PREPEND_NAMESPACE(qfloat16)::_limit_infinity(); } + static constexpr QT_PREPEND_NAMESPACE(qfloat16) quiet_NaN() + { return QT_PREPEND_NAMESPACE(qfloat16)::_limit_quiet_NaN(); } +}; + +template<> class numeric_limits<const QT_PREPEND_NAMESPACE(qfloat16)> + : public numeric_limits<QT_PREPEND_NAMESPACE(qfloat16)> {}; +template<> class numeric_limits<volatile QT_PREPEND_NAMESPACE(qfloat16)> + : public numeric_limits<QT_PREPEND_NAMESPACE(qfloat16)> {}; +template<> class numeric_limits<const volatile QT_PREPEND_NAMESPACE(qfloat16)> + : public numeric_limits<QT_PREPEND_NAMESPACE(qfloat16)> {}; + +// Adding overloads to std isn't allowed, so we can't extend this to support +// for fpclassify(), isnormal() &c. (which, furthermore, are macros on MinGW). +} // namespace std + #endif // QFLOAT16_H diff --git a/src/corelib/global/qfloat16_f16c.c b/src/corelib/global/qfloat16_f16c.c index a7eadc71b7..ba1e16f481 100644 --- a/src/corelib/global/qfloat16_f16c.c +++ b/src/corelib/global/qfloat16_f16c.c @@ -54,7 +54,7 @@ extern "C" { #endif QT_FUNCTION_TARGET(F16C) -void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) Q_DECL_NOTHROW +void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) Q_DECL_NOEXCEPT { qsizetype i = 0; int epilog_i; @@ -70,7 +70,7 @@ void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) Q_DECL_N } QT_FUNCTION_TARGET(F16C) -void qFloatFromFloat16_fast(float *out, const quint16 *in, qsizetype len) Q_DECL_NOTHROW +void qFloatFromFloat16_fast(float *out, const quint16 *in, qsizetype len) Q_DECL_NOEXCEPT { qsizetype i = 0; int epilog_i; diff --git a/src/corelib/global/qfloat16tables.cpp b/src/corelib/global/qfloat16tables.cpp new file mode 100644 index 0000000000..3d764937d7 --- /dev/null +++ b/src/corelib/global/qfloat16tables.cpp @@ -0,0 +1,3266 @@ +/**************************************************************************** +** +** Copyright (C) 2016 by Southwest Research Institute (R) +** Copyright (C) 2019 Intel Corporation. +** Contact: http://www.qt-project.org/legal +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* This file was generated by gen_qfloat16_tables.cpp */ + +#include <QtCore/qfloat16.h> + +QT_BEGIN_NAMESPACE + +#if !defined(__F16C__) && !defined(__ARM_FP16_FORMAT_IEEE) + +const quint32 qfloat16::mantissatable[2048] = { +0, +0x33800000U, +0x34000000U, +0x34400000U, +0x34800000U, +0x34A00000U, +0x34C00000U, +0x34E00000U, +0x35000000U, +0x35100000U, +0x35200000U, +0x35300000U, +0x35400000U, +0x35500000U, +0x35600000U, +0x35700000U, +0x35800000U, +0x35880000U, +0x35900000U, +0x35980000U, +0x35A00000U, +0x35A80000U, +0x35B00000U, +0x35B80000U, +0x35C00000U, +0x35C80000U, +0x35D00000U, +0x35D80000U, +0x35E00000U, +0x35E80000U, +0x35F00000U, +0x35F80000U, +0x36000000U, +0x36040000U, +0x36080000U, +0x360C0000U, +0x36100000U, +0x36140000U, +0x36180000U, +0x361C0000U, +0x36200000U, +0x36240000U, +0x36280000U, +0x362C0000U, +0x36300000U, +0x36340000U, +0x36380000U, +0x363C0000U, +0x36400000U, +0x36440000U, +0x36480000U, +0x364C0000U, +0x36500000U, +0x36540000U, +0x36580000U, +0x365C0000U, +0x36600000U, +0x36640000U, +0x36680000U, +0x366C0000U, +0x36700000U, +0x36740000U, +0x36780000U, +0x367C0000U, +0x36800000U, +0x36820000U, +0x36840000U, +0x36860000U, +0x36880000U, +0x368A0000U, +0x368C0000U, +0x368E0000U, +0x36900000U, +0x36920000U, +0x36940000U, +0x36960000U, +0x36980000U, +0x369A0000U, +0x369C0000U, +0x369E0000U, +0x36A00000U, +0x36A20000U, +0x36A40000U, +0x36A60000U, +0x36A80000U, +0x36AA0000U, +0x36AC0000U, +0x36AE0000U, +0x36B00000U, +0x36B20000U, +0x36B40000U, +0x36B60000U, +0x36B80000U, +0x36BA0000U, +0x36BC0000U, +0x36BE0000U, +0x36C00000U, +0x36C20000U, +0x36C40000U, +0x36C60000U, +0x36C80000U, +0x36CA0000U, +0x36CC0000U, +0x36CE0000U, +0x36D00000U, +0x36D20000U, +0x36D40000U, +0x36D60000U, +0x36D80000U, +0x36DA0000U, +0x36DC0000U, +0x36DE0000U, +0x36E00000U, +0x36E20000U, +0x36E40000U, +0x36E60000U, +0x36E80000U, +0x36EA0000U, +0x36EC0000U, +0x36EE0000U, +0x36F00000U, +0x36F20000U, +0x36F40000U, +0x36F60000U, +0x36F80000U, +0x36FA0000U, +0x36FC0000U, +0x36FE0000U, +0x37000000U, +0x37010000U, +0x37020000U, +0x37030000U, +0x37040000U, +0x37050000U, +0x37060000U, +0x37070000U, +0x37080000U, +0x37090000U, +0x370A0000U, +0x370B0000U, +0x370C0000U, +0x370D0000U, +0x370E0000U, +0x370F0000U, +0x37100000U, +0x37110000U, +0x37120000U, +0x37130000U, +0x37140000U, +0x37150000U, +0x37160000U, +0x37170000U, +0x37180000U, +0x37190000U, +0x371A0000U, +0x371B0000U, +0x371C0000U, +0x371D0000U, +0x371E0000U, +0x371F0000U, +0x37200000U, +0x37210000U, +0x37220000U, +0x37230000U, +0x37240000U, +0x37250000U, +0x37260000U, +0x37270000U, +0x37280000U, +0x37290000U, +0x372A0000U, +0x372B0000U, +0x372C0000U, +0x372D0000U, +0x372E0000U, 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+0x386AE000U, +0x386B0000U, +0x386B2000U, +0x386B4000U, +0x386B6000U, +0x386B8000U, +0x386BA000U, +0x386BC000U, +0x386BE000U, +0x386C0000U, +0x386C2000U, +0x386C4000U, +0x386C6000U, +0x386C8000U, +0x386CA000U, +0x386CC000U, +0x386CE000U, +0x386D0000U, +0x386D2000U, +0x386D4000U, +0x386D6000U, +0x386D8000U, +0x386DA000U, +0x386DC000U, +0x386DE000U, +0x386E0000U, +0x386E2000U, +0x386E4000U, +0x386E6000U, +0x386E8000U, +0x386EA000U, +0x386EC000U, +0x386EE000U, +0x386F0000U, +0x386F2000U, +0x386F4000U, +0x386F6000U, +0x386F8000U, +0x386FA000U, +0x386FC000U, +0x386FE000U, +0x38700000U, +0x38702000U, +0x38704000U, +0x38706000U, +0x38708000U, +0x3870A000U, +0x3870C000U, +0x3870E000U, +0x38710000U, +0x38712000U, +0x38714000U, +0x38716000U, +0x38718000U, +0x3871A000U, +0x3871C000U, +0x3871E000U, +0x38720000U, +0x38722000U, +0x38724000U, +0x38726000U, +0x38728000U, +0x3872A000U, +0x3872C000U, +0x3872E000U, +0x38730000U, +0x38732000U, +0x38734000U, +0x38736000U, +0x38738000U, +0x3873A000U, +0x3873C000U, +0x3873E000U, +0x38740000U, +0x38742000U, +0x38744000U, +0x38746000U, +0x38748000U, +0x3874A000U, +0x3874C000U, +0x3874E000U, +0x38750000U, +0x38752000U, +0x38754000U, +0x38756000U, +0x38758000U, +0x3875A000U, +0x3875C000U, +0x3875E000U, +0x38760000U, +0x38762000U, +0x38764000U, +0x38766000U, +0x38768000U, +0x3876A000U, +0x3876C000U, +0x3876E000U, +0x38770000U, +0x38772000U, +0x38774000U, +0x38776000U, +0x38778000U, +0x3877A000U, +0x3877C000U, +0x3877E000U, +0x38780000U, +0x38782000U, +0x38784000U, +0x38786000U, +0x38788000U, +0x3878A000U, +0x3878C000U, +0x3878E000U, +0x38790000U, +0x38792000U, +0x38794000U, +0x38796000U, +0x38798000U, +0x3879A000U, +0x3879C000U, +0x3879E000U, +0x387A0000U, +0x387A2000U, +0x387A4000U, +0x387A6000U, +0x387A8000U, +0x387AA000U, +0x387AC000U, +0x387AE000U, +0x387B0000U, +0x387B2000U, +0x387B4000U, +0x387B6000U, +0x387B8000U, +0x387BA000U, +0x387BC000U, +0x387BE000U, +0x387C0000U, +0x387C2000U, +0x387C4000U, +0x387C6000U, +0x387C8000U, +0x387CA000U, +0x387CC000U, +0x387CE000U, +0x387D0000U, +0x387D2000U, +0x387D4000U, +0x387D6000U, +0x387D8000U, +0x387DA000U, +0x387DC000U, +0x387DE000U, +0x387E0000U, +0x387E2000U, +0x387E4000U, +0x387E6000U, +0x387E8000U, +0x387EA000U, +0x387EC000U, +0x387EE000U, +0x387F0000U, +0x387F2000U, +0x387F4000U, +0x387F6000U, +0x387F8000U, +0x387FA000U, +0x387FC000U, +0x387FE000U, +}; + +const quint32 qfloat16::exponenttable[64] = { +0, +0x800000U, +0x1000000U, +0x1800000U, +0x2000000U, +0x2800000U, +0x3000000U, +0x3800000U, +0x4000000U, +0x4800000U, +0x5000000U, +0x5800000U, +0x6000000U, +0x6800000U, +0x7000000U, +0x7800000U, +0x8000000U, +0x8800000U, +0x9000000U, +0x9800000U, +0xA000000U, +0xA800000U, +0xB000000U, +0xB800000U, +0xC000000U, +0xC800000U, +0xD000000U, +0xD800000U, +0xE000000U, +0xE800000U, +0xF000000U, +0x47800000U, +0x80000000U, +0x80800000U, +0x81000000U, +0x81800000U, +0x82000000U, +0x82800000U, +0x83000000U, +0x83800000U, +0x84000000U, +0x84800000U, +0x85000000U, +0x85800000U, +0x86000000U, +0x86800000U, +0x87000000U, +0x87800000U, +0x88000000U, +0x88800000U, +0x89000000U, +0x89800000U, +0x8A000000U, +0x8A800000U, +0x8B000000U, +0x8B800000U, +0x8C000000U, +0x8C800000U, +0x8D000000U, +0x8D800000U, +0x8E000000U, +0x8E800000U, +0x8F000000U, +0xC7800000U, +}; + +const quint32 qfloat16::offsettable[64] = { +0, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +0, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +1024U, +}; + +const quint32 qfloat16::basetable[512] = { +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x0U, +0x1U, +0x2U, +0x4U, +0x8U, +0x10U, +0x20U, +0x40U, +0x80U, +0x100U, +0x200U, +0x400U, +0x800U, +0xC00U, +0x1000U, +0x1400U, +0x1800U, +0x1C00U, +0x2000U, +0x2400U, +0x2800U, +0x2C00U, +0x3000U, +0x3400U, +0x3800U, +0x3C00U, +0x4000U, +0x4400U, +0x4800U, +0x4C00U, +0x5000U, +0x5400U, +0x5800U, +0x5C00U, +0x6000U, +0x6400U, +0x6800U, +0x6C00U, +0x7000U, +0x7400U, +0x7800U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x7C00U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8000U, +0x8001U, +0x8002U, +0x8004U, +0x8008U, +0x8010U, +0x8020U, +0x8040U, +0x8080U, +0x8100U, +0x8200U, +0x8400U, +0x8800U, +0x8C00U, +0x9000U, +0x9400U, +0x9800U, +0x9C00U, +0xA000U, +0xA400U, +0xA800U, +0xAC00U, +0xB000U, +0xB400U, +0xB800U, +0xBC00U, +0xC000U, +0xC400U, +0xC800U, +0xCC00U, +0xD000U, +0xD400U, +0xD800U, +0xDC00U, +0xE000U, +0xE400U, +0xE800U, +0xEC00U, +0xF000U, +0xF400U, +0xF800U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +0xFC00U, +}; + +const quint32 qfloat16::shifttable[512] = { +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x17U, +0x16U, +0x15U, +0x14U, +0x13U, +0x12U, +0x11U, +0x10U, +0xFU, +0xEU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0xDU, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x17U, +0x16U, +0x15U, +0x14U, +0x13U, +0x12U, +0x11U, +0x10U, +0xFU, +0xEU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0xDU, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0x18U, +0xDU, +}; + +#endif // !__F16C__ && !__ARM_FP16_FORMAT_IEEE + +QT_END_NAMESPACE diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp index 78ad2a5421..4ab5bd2edb 100644 --- a/src/corelib/global/qglobal.cpp +++ b/src/corelib/global/qglobal.cpp @@ -47,11 +47,15 @@ #include "qoperatingsystemversion.h" #include "qoperatingsystemversion_p.h" #if defined(Q_OS_WIN) || defined(Q_OS_CYGWIN) || defined(Q_OS_WINRT) -#include "qoperatingsystemversion_win_p.h" -#endif +# include "qoperatingsystemversion_win_p.h" +# ifndef Q_OS_WINRT +# include "private/qwinregistry_p.h" +# endif +#endif // Q_OS_WIN || Q_OS_CYGWIN #include <private/qlocale_tools_p.h> #include <qmutex.h> +#include <QtCore/private/qlocking_p.h> #include <stdlib.h> #include <limits.h> @@ -1152,12 +1156,12 @@ Q_STATIC_ASSERT((std::is_same<qsizetype, qptrdiff>::value)); \sa QT_VERSION_STR, QLibraryInfo::version() */ -const char *qVersion() Q_DECL_NOTHROW +const char *qVersion() noexcept { return QT_VERSION_STR; } -bool qSharedBuild() Q_DECL_NOTHROW +bool qSharedBuild() noexcept { #ifdef QT_SHARED return true; @@ -1903,6 +1907,42 @@ bool qSharedBuild() Q_DECL_NOTHROW */ /*! + \macro Q_PROCESSOR_RISCV + \relates <QtGlobal> + \since 5.13 + + Defined if the application is compiled for RISC-V processors. Qt currently + supports two RISC-V variants: \l Q_PROCESSOR_RISCV_32 and \l + Q_PROCESSOR_RISCV_64. + + \sa QSysInfo::buildCpuArchitecture() +*/ + +/*! + \macro Q_PROCESSOR_RISCV_32 + \relates <QtGlobal> + \since 5.13 + + Defined if the application is compiled for 32-bit RISC-V processors. The \l + Q_PROCESSOR_RISCV macro is also defined when Q_PROCESSOR_RISCV_32 is + defined. + + \sa QSysInfo::buildCpuArchitecture() +*/ + +/*! + \macro Q_PROCESSOR_RISCV_64 + \relates <QtGlobal> + \since 5.13 + + Defined if the application is compiled for 64-bit RISC-V processors. The \l + Q_PROCESSOR_RISCV macro is also defined when Q_PROCESSOR_RISCV_64 is + defined. + + \sa QSysInfo::buildCpuArchitecture() +*/ + +/*! \macro Q_PROCESSOR_S390 \relates <QtGlobal> @@ -2149,12 +2189,33 @@ const QSysInfo::WinVersion QSysInfo::WindowsVersion = QSysInfo::windowsVersion() QT_WARNING_POP #endif +static QString readVersionRegistryString(const wchar_t *subKey) +{ +#if !defined(QT_BUILD_QMAKE) && !defined(Q_OS_WINRT) + return QWinRegistryKey(HKEY_LOCAL_MACHINE, LR"(SOFTWARE\Microsoft\Windows NT\CurrentVersion)") + .stringValue(subKey); +#else + Q_UNUSED(subKey); + return QString(); +#endif +} + +static inline QString windows10ReleaseId() +{ + return readVersionRegistryString(L"ReleaseId"); +} + +static inline QString windows7Build() +{ + return readVersionRegistryString(L"CurrentBuild"); +} + static QString winSp_helper() { const auto osv = qWindowsVersionInfo(); const qint16 major = osv.wServicePackMajor; if (major) { - QString sp = QStringLiteral(" SP ") + QString::number(major); + QString sp = QStringLiteral("SP ") + QString::number(major); const qint16 minor = osv.wServicePackMinor; if (minor) sp += QLatin1Char('.') + QString::number(minor); @@ -2867,19 +2928,34 @@ QString QSysInfo::prettyProductName() { #if (defined(Q_OS_ANDROID) && !defined(Q_OS_ANDROID_EMBEDDED)) || defined(Q_OS_DARWIN) || defined(Q_OS_WIN) const auto version = QOperatingSystemVersion::current(); + const int majorVersion = version.majorVersion(); + const QString versionString = QString::number(majorVersion) + QLatin1Char('.') + + QString::number(version.minorVersion()); + QString result = version.name() + QLatin1Char(' '); const char *name = osVer_helper(version); - if (name) - return version.name() + QLatin1Char(' ') + QLatin1String(name) -# if defined(Q_OS_WIN) - + winSp_helper() -# endif - + QLatin1String(" (") + QString::number(version.majorVersion()) - + QLatin1Char('.') + QString::number(version.minorVersion()) - + QLatin1Char(')'); - else - return version.name() + QLatin1Char(' ') - + QString::number(version.majorVersion()) + QLatin1Char('.') - + QString::number(version.minorVersion()); + if (!name) + return result + versionString; + result += QLatin1String(name); +# if !defined(Q_OS_WIN) || defined(Q_OS_WINRT) + return result + QLatin1String(" (") + versionString + QLatin1Char(')'); +# else + // (resembling winver.exe): Windows 10 "Windows 10 Version 1809" + if (majorVersion >= 10) { + const auto releaseId = windows10ReleaseId(); + if (!releaseId.isEmpty()) + result += QLatin1String(" Version ") + releaseId; + return result; + } + // Windows 7: "Windows 7 Version 6.1 (Build 7601: Service Pack 1)" + result += QLatin1String(" Version ") + versionString + QLatin1String(" ("); + const auto build = windows7Build(); + if (!build.isEmpty()) + result += QLatin1String("Build ") + build; + const auto servicePack = winSp_helper(); + if (!servicePack.isEmpty()) + result += QLatin1String(": ") + servicePack; + return result + QLatin1Char(')'); +# endif // Windows #elif defined(Q_OS_HAIKU) return QLatin1String("Haiku ") + productVersion(); #elif defined(Q_OS_UNIX) @@ -2921,6 +2997,7 @@ QString QSysInfo::machineHostName() struct utsname u; if (uname(&u) == 0) return QString::fromLocal8Bit(u.nodename); + return QString(); #else # ifdef Q_OS_WIN // Important: QtNetwork depends on machineHostName() initializing ws2_32.dll @@ -2933,7 +3010,6 @@ QString QSysInfo::machineHostName() hostName[sizeof(hostName) - 1] = '\0'; return QString::fromLocal8Bit(hostName); #endif - return QString(); } #endif // QT_BOOTSTRAPPED @@ -2998,6 +3074,7 @@ QByteArray QSysInfo::machineUniqueId() } #elif defined(Q_OS_WIN) && !defined(Q_OS_WINRT) // Let's poke at the registry + // ### Qt 6: Use new helpers from qwinregistry.cpp (once bootstrap builds are obsolete) HKEY key = NULL; if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Cryptography", 0, KEY_READ | KEY_WOW64_64KEY, &key) == ERROR_SUCCESS) { @@ -3224,7 +3301,7 @@ QByteArray QSysInfo::bootUniqueId() The Q_CHECK_PTR macro calls this function if an allocation check fails. */ -void qt_check_pointer(const char *n, int l) Q_DECL_NOTHROW +void qt_check_pointer(const char *n, int l) noexcept { // make separate printing calls so that the first one may flush; // the second one could want to allocate memory (fputs prints a @@ -3251,7 +3328,7 @@ void qBadAlloc() Allows you to call std::terminate() without including <exception>. Called internally from QT_TERMINATE_ON_EXCEPTION */ -Q_NORETURN void qTerminate() Q_DECL_NOTHROW +Q_NORETURN void qTerminate() noexcept { std::terminate(); } @@ -3260,7 +3337,7 @@ Q_NORETURN void qTerminate() Q_DECL_NOTHROW /* The Q_ASSERT macro calls this function when the test fails. */ -void qt_assert(const char *assertion, const char *file, int line) Q_DECL_NOTHROW +void qt_assert(const char *assertion, const char *file, int line) noexcept { QMessageLogger(file, line, nullptr).fatal("ASSERT: \"%s\" in file %s, line %d", assertion, file, line); } @@ -3268,7 +3345,7 @@ void qt_assert(const char *assertion, const char *file, int line) Q_DECL_NOTHROW /* The Q_ASSERT_X macro calls this function when the test fails. */ -void qt_assert_x(const char *where, const char *what, const char *file, int line) Q_DECL_NOTHROW +void qt_assert_x(const char *where, const char *what, const char *file, int line) noexcept { QMessageLogger(file, line, nullptr).fatal("ASSERT failure in %s: \"%s\", file %s, line %d", where, what, file, line); } @@ -3315,7 +3392,7 @@ static QBasicMutex environmentMutex; */ void qTzSet() { - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); #if defined(Q_OS_WIN) _tzset(); #else @@ -3329,7 +3406,7 @@ void qTzSet() */ time_t qMkTime(struct tm *when) { - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); return mktime(when); } @@ -3361,7 +3438,7 @@ time_t qMkTime(struct tm *when) */ QByteArray qgetenv(const char *varName) { - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); #ifdef Q_CC_MSVC size_t requiredSize = 0; QByteArray buffer; @@ -3429,7 +3506,7 @@ QByteArray qgetenv(const char *varName) QString qEnvironmentVariable(const char *varName, const QString &defaultValue) { #if defined(Q_OS_WIN) && !defined(Q_OS_WINRT) - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); QVarLengthArray<wchar_t, 32> wname(int(strlen(varName)) + 1); for (int i = 0; i < wname.size(); ++i) // wname.size() is correct: will copy terminating null wname[i] = uchar(varName[i]); @@ -3475,9 +3552,9 @@ QString qEnvironmentVariable(const char *varName) \sa qgetenv(), qEnvironmentVariable(), qEnvironmentVariableIsSet() */ -bool qEnvironmentVariableIsEmpty(const char *varName) Q_DECL_NOEXCEPT +bool qEnvironmentVariableIsEmpty(const char *varName) noexcept { - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); #ifdef Q_CC_MSVC // we provide a buffer that can only hold the empty string, so // when the env.var isn't empty, we'll get an ERANGE error (buffer @@ -3510,13 +3587,13 @@ bool qEnvironmentVariableIsEmpty(const char *varName) Q_DECL_NOEXCEPT \sa qgetenv(), qEnvironmentVariable(), qEnvironmentVariableIsSet() */ -int qEnvironmentVariableIntValue(const char *varName, bool *ok) Q_DECL_NOEXCEPT +int qEnvironmentVariableIntValue(const char *varName, bool *ok) noexcept { static const int NumBinaryDigitsPerOctalDigit = 3; static const int MaxDigitsForOctalInt = (std::numeric_limits<uint>::digits + NumBinaryDigitsPerOctalDigit - 1) / NumBinaryDigitsPerOctalDigit; - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); #ifdef Q_CC_MSVC // we provide a buffer that can hold any int value: char buffer[MaxDigitsForOctalInt + 2]; // +1 for NUL +1 for optional '-' @@ -3579,15 +3656,15 @@ int qEnvironmentVariableIntValue(const char *varName, bool *ok) Q_DECL_NOEXCEPT \sa qgetenv(), qEnvironmentVariable(), qEnvironmentVariableIsEmpty() */ -bool qEnvironmentVariableIsSet(const char *varName) Q_DECL_NOEXCEPT +bool qEnvironmentVariableIsSet(const char *varName) noexcept { - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); #ifdef Q_CC_MSVC size_t requiredSize = 0; (void)getenv_s(&requiredSize, 0, 0, varName); return requiredSize != 0; #else - return ::getenv(varName) != 0; + return ::getenv(varName) != nullptr; #endif } @@ -3611,7 +3688,7 @@ bool qEnvironmentVariableIsSet(const char *varName) Q_DECL_NOEXCEPT */ bool qputenv(const char *varName, const QByteArray& value) { - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); #if defined(Q_CC_MSVC) return _putenv_s(varName, value.constData()) == 0; #elif (defined(_POSIX_VERSION) && (_POSIX_VERSION-0) >= 200112L) || defined(Q_OS_HAIKU) @@ -3642,7 +3719,7 @@ bool qputenv(const char *varName, const QByteArray& value) */ bool qunsetenv(const char *varName) { - QMutexLocker locker(&environmentMutex); + const auto locker = qt_scoped_lock(environmentMutex); #if defined(Q_CC_MSVC) return _putenv_s(varName, "") == 0; #elif (defined(_POSIX_VERSION) && (_POSIX_VERSION-0) >= 200112L) || defined(Q_OS_BSD4) || defined(Q_OS_HAIKU) @@ -3781,6 +3858,56 @@ bool qunsetenv(const char *varName) */ /*! + \fn template <typename T, typename U = T> T qExchange(T &obj, U &&newValue) + \relates <QtGlobal> + \since 5.14 + + Replaces the value of \a obj with \a newValue and returns the old value of \a obj. + + This is Qt's implementation of std::exchange(). It differs from std::exchange() + only in that it is \c constexpr already in C++14, and available on all supported + compilers. + + Here is how to use qExchange() to implement move constructors: + \code + MyClass(MyClass &&other) + : m_pointer{qExchange(other.m_pointer, nullptr)}, + m_int{qExchange(other.m_int, 0)}, + m_vector{std::move(other.m_vector)}, + ... + \endcode + + For members of class type, we can use std::move(), as their move-constructor will + do the right thing. But for scalar types such as raw pointers or integer type, move + is the same as copy, which, particularly for pointers, is not what we expect. So, we + cannot use std::move() for such types, but we can use std::exchange()/qExchange() to + make sure the source object's member is already reset by the time we get to the + initialization of our next data member, which might come in handy if the constructor + exits with an exception. + + Here is how to use qExchange() to write a loop that consumes the collection it + iterates over: + \code + for (auto &e : qExchange(collection, {}) + doSomethingWith(e); + \endcode + + Which is equivalent to the following, much more verbose code: + \code + { + auto tmp = std::move(collection); + collection = {}; // or collection.clear() + for (auto &e : tmp) + doSomethingWith(e); + } // destroys 'tmp' + \endcode + + This is perfectly safe, as the for-loop keeps the result of qExchange() alive for as + long as the loop runs, saving the declaration of a temporary variable. Be aware, though, + that qExchange() returns a non-const object, so Qt containers may detach. +*/ + +/*! \macro QT_TR_NOOP(sourceText) \relates <QtGlobal> diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h index 223ebbcabe..1e26e9453a 100644 --- a/src/corelib/global/qglobal.h +++ b/src/corelib/global/qglobal.h @@ -1,7 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. -** Copyright (C) 2016 Intel Corporation. +** Copyright (C) 2019 The Qt Company Ltd. +** Copyright (C) 2019 Intel Corporation. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. @@ -307,6 +307,14 @@ typedef double qreal; # define QT_DEPRECATED_CONSTRUCTOR #endif +#ifndef QT_DEPRECATED_WARNINGS_SINCE +# ifdef QT_DISABLE_DEPRECATED_BEFORE +# define QT_DEPRECATED_WARNINGS_SINCE QT_DISABLE_DEPRECATED_BEFORE +# else +# define QT_DEPRECATED_WARNINGS_SINCE QT_VERSION +# endif +#endif + #ifndef QT_DISABLE_DEPRECATED_BEFORE #define QT_DISABLE_DEPRECATED_BEFORE QT_VERSION_CHECK(5, 0, 0) #endif @@ -330,6 +338,59 @@ typedef double qreal; #endif /* + QT_DEPRECATED_VERSION(major, minor) and QT_DEPRECATED_VERSION_X(major, minor, text) + outputs a deprecation warning if QT_DEPRECATED_WARNINGS_SINCE is equal or greater + than the version specified as major, minor. This makes it possible to deprecate a + function without annoying a user who needs to stick at a specified minimum version + and therefore can't use the new function. +*/ +#if QT_DEPRECATED_WARNINGS_SINCE >= QT_VERSION_CHECK(5, 12, 0) +# define QT_DEPRECATED_VERSION_X_5_12(text) QT_DEPRECATED_X(text) +# define QT_DEPRECATED_VERSION_5_12 QT_DEPRECATED +#else +# define QT_DEPRECATED_VERSION_X_5_12(text) +# define QT_DEPRECATED_VERSION_5_12 +#endif + +#if QT_DEPRECATED_WARNINGS_SINCE >= QT_VERSION_CHECK(5, 13, 0) +# define QT_DEPRECATED_VERSION_X_5_13(text) QT_DEPRECATED_X(text) +# define QT_DEPRECATED_VERSION_5_13 QT_DEPRECATED +#else +# define QT_DEPRECATED_VERSION_X_5_13(text) +# define QT_DEPRECATED_VERSION_5_13 +#endif + +#if QT_DEPRECATED_WARNINGS_SINCE >= QT_VERSION_CHECK(5, 14, 0) +# define QT_DEPRECATED_VERSION_X_5_14(text) QT_DEPRECATED_X(text) +# define QT_DEPRECATED_VERSION_5_14 QT_DEPRECATED +#else +# define QT_DEPRECATED_VERSION_X_5_14(text) +# define QT_DEPRECATED_VERSION_5_14 +#endif + +#if QT_DEPRECATED_WARNINGS_SINCE >= QT_VERSION_CHECK(5, 15, 0) +# define QT_DEPRECATED_VERSION_X_5_15(text) QT_DEPRECATED_X(text) +# define QT_DEPRECATED_VERSION_5_15 QT_DEPRECATED +#else +# define QT_DEPRECATED_VERSION_X_5_15(text) +# define QT_DEPRECATED_VERSION_5_15 +#endif + +#define QT_DEPRECATED_VERSION_X_5(minor, text) QT_DEPRECATED_VERSION_X_5_##minor(text) +#define QT_DEPRECATED_VERSION_X(major, minor, text) QT_DEPRECATED_VERSION_X_##major(minor, text) + +#define QT_DEPRECATED_VERSION_5(minor) QT_DEPRECATED_VERSION_5_##minor +#define QT_DEPRECATED_VERSION(major, minor) QT_DEPRECATED_VERSION_##major(minor) + +#ifdef __cplusplus +// A tag to help mark stuff deprecated (cf. QStringViewLiteral) +namespace QtPrivate { +enum class Deprecated_t {}; +constexpr Q_DECL_UNUSED Deprecated_t Deprecated = {}; +} +#endif + +/* The Qt modules' export macros. The options are: - defined(QT_STATIC): Qt was built or is being built in static mode @@ -369,8 +430,8 @@ typedef double qreal; operator to disable copying (the compiler gives an error message). */ #define Q_DISABLE_COPY(Class) \ - Class(const Class &) Q_DECL_EQ_DELETE;\ - Class &operator=(const Class &) Q_DECL_EQ_DELETE; + Class(const Class &) = delete;\ + Class &operator=(const Class &) = delete; #define Q_DISABLE_MOVE(Class) \ Class(Class &&) = delete; \ @@ -411,7 +472,7 @@ typedef double qreal; #if !defined(QT_NAMESPACE) && defined(__cplusplus) && !defined(Q_QDOC) extern "C" #endif -Q_CORE_EXPORT Q_DECL_CONST_FUNCTION const char *qVersion(void) Q_DECL_NOTHROW; +Q_CORE_EXPORT Q_DECL_CONST_FUNCTION const char *qVersion(void) Q_DECL_NOEXCEPT; #if defined(__cplusplus) @@ -456,11 +517,8 @@ namespace QtPrivate { 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 + template <size_t N, class T> struct AlignOf<T[N]> : AlignOf<T> {}; #if defined(Q_PROCESSOR_X86_32) && !defined(Q_OS_WIN) template <class T> struct AlignOf_WorkaroundForI386Abi { enum { Value = sizeof(T) }; }; @@ -562,7 +620,8 @@ using qsizetype = QIntegerForSizeof<std::size_t>::Signed; # define Q_ALWAYS_INLINE inline #endif -#if defined(Q_CC_GNU) && defined(Q_OS_WIN) +#if defined(Q_CC_GNU) && defined(Q_OS_WIN) && !defined(QT_NO_DATA_RELOCATION) +// ### Qt6: you can remove me # define QT_INIT_METAOBJECT __attribute__((init_priority(101))) #else # define QT_INIT_METAOBJECT @@ -730,7 +789,7 @@ inline void qt_noop(void) {} # define QT_CATCH(A) catch (A) # define QT_THROW(A) throw A # define QT_RETHROW throw -Q_NORETURN Q_DECL_COLD_FUNCTION Q_CORE_EXPORT void qTerminate() Q_DECL_NOTHROW; +Q_NORETURN Q_DECL_COLD_FUNCTION Q_CORE_EXPORT void qTerminate() noexcept; # ifdef Q_COMPILER_NOEXCEPT # define QT_TERMINATE_ON_EXCEPTION(expr) do { expr; } while (false) # else @@ -738,7 +797,7 @@ Q_NORETURN Q_DECL_COLD_FUNCTION Q_CORE_EXPORT void qTerminate() Q_DECL_NOTHROW; # endif #endif -Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qSharedBuild() Q_DECL_NOTHROW; +Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qSharedBuild() noexcept; #ifndef Q_OUTOFLINE_TEMPLATE # define Q_OUTOFLINE_TEMPLATE @@ -781,7 +840,7 @@ Q_CORE_EXPORT QString qt_error_string(int errorCode = -1); Q_NORETURN #endif Q_DECL_COLD_FUNCTION -Q_CORE_EXPORT void qt_assert(const char *assertion, const char *file, int line) Q_DECL_NOTHROW; +Q_CORE_EXPORT void qt_assert(const char *assertion, const char *file, int line) noexcept; #if !defined(Q_ASSERT) # if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS) @@ -791,15 +850,11 @@ Q_CORE_EXPORT void qt_assert(const char *assertion, const char *file, int line) # 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_DECL_COLD_FUNCTION -Q_CORE_EXPORT void qt_assert_x(const char *where, const char *what, const char *file, int line) Q_DECL_NOTHROW; +Q_CORE_EXPORT void qt_assert_x(const char *where, const char *what, const char *file, int line) noexcept; #if !defined(Q_ASSERT_X) # if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS) @@ -809,7 +864,7 @@ Q_CORE_EXPORT void qt_assert_x(const char *where, const char *what, const char * # endif #endif -Q_NORETURN Q_CORE_EXPORT void qt_check_pointer(const char *, int) Q_DECL_NOTHROW; +Q_NORETURN Q_CORE_EXPORT void qt_check_pointer(const char *, int) noexcept; Q_DECL_COLD_FUNCTION Q_CORE_EXPORT void qBadAlloc(); @@ -852,38 +907,23 @@ Q_REQUIRED_RESULT Q_DECL_CONSTEXPR static inline Q_DECL_UNUSED bool qFuzzyIsNul 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. -*/ -Q_REQUIRED_RESULT static inline Q_DECL_UNUSED bool qIsNull(double d) +QT_WARNING_PUSH +QT_WARNING_DISABLE_CLANG("-Wfloat-equal") +QT_WARNING_DISABLE_GCC("-Wfloat-equal") +QT_WARNING_DISABLE_INTEL(1572) + +Q_REQUIRED_RESULT Q_DECL_CONSTEXPR static inline Q_DECL_UNUSED bool qIsNull(double d) noexcept { - union U { - double d; - quint64 u; - }; - U val; - val.d = d; - return (val.u & Q_UINT64_C(0x7fffffffffffffff)) == 0; + return d == 0.0; } -/* - 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. -*/ -Q_REQUIRED_RESULT static inline Q_DECL_UNUSED bool qIsNull(float f) +Q_REQUIRED_RESULT Q_DECL_CONSTEXPR static inline Q_DECL_UNUSED bool qIsNull(float f) noexcept { - union U { - float f; - quint32 u; - }; - U val; - val.f = f; - return (val.u & 0x7fffffff) == 0; + return f == 0.0f; } +QT_WARNING_POP + /* Compilers which follow outdated template instantiation rules require a class to have a comparison operator to exist when @@ -910,14 +950,14 @@ namespace SwapExceptionTester { // insulate users from the "using std::swap" bel using std::swap; // import std::swap template <typename T> void checkSwap(T &t) - Q_DECL_NOEXCEPT_EXPR(noexcept(swap(t, t))); + noexcept(noexcept(swap(t, t))); // declared, but not implemented (only to be used in unevaluated contexts (noexcept operator)) } } // namespace QtPrivate template <typename T> inline void qSwap(T &value1, T &value2) - Q_DECL_NOEXCEPT_EXPR(noexcept(QtPrivate::SwapExceptionTester::checkSwap(value1))) + noexcept(noexcept(QtPrivate::SwapExceptionTester::checkSwap(value1))) { using std::swap; swap(value1, value2); @@ -966,12 +1006,44 @@ QT_WARNING_DISABLE_MSVC(4530) /* C++ exception handler used, but unwind semantic # endif #endif +// Work around MSVC warning about use of 3-arg algorithms +// until we can depend on the C++14 4-arg ones. +// +// These algortithms do NOT check for equal length. +// They need to be treated as if they called the 3-arg version (which they do)! +#ifdef Q_CC_MSVC +# define QT_3ARG_ALG(alg, f1, l1, f2, l2) \ + std::alg(f1, l1, f2, l2) +#else +# define QT_3ARG_ALG(alg, f1, l1, f2, l2) \ + [&f1, &l1, &f2, &l2]() { \ + Q_UNUSED(l2); \ + return std::alg(f1, l1, f2); \ + }() +#endif +template <typename ForwardIterator1, typename ForwardIterator2> +inline bool qt_is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, + ForwardIterator2 first2, ForwardIterator2 last2) +{ + return QT_3ARG_ALG(is_permutation, first1, last1, first2, last2); +} +#undef QT_3ARG_ALG + // this adds const to non-const objects (like std::as_const) template <typename T> -Q_DECL_CONSTEXPR typename std::add_const<T>::type &qAsConst(T &t) Q_DECL_NOTHROW { return t; } +Q_DECL_CONSTEXPR typename std::add_const<T>::type &qAsConst(T &t) noexcept { return t; } // prevent rvalue arguments: template <typename T> -void qAsConst(const T &&) Q_DECL_EQ_DELETE; +void qAsConst(const T &&) = delete; + +// like std::exchange +template <typename T, typename U = T> +Q_DECL_RELAXED_CONSTEXPR T qExchange(T &t, U &&newValue) +{ + T old = std::move(t); + t = std::forward<U>(newValue); + return old; +} #ifndef QT_NO_FOREACH @@ -1052,7 +1124,7 @@ for (auto _container_ = QtPrivate::qMakeForeachContainer(container); \ #endif template <typename T> inline T *qGetPtrHelper(T *ptr) { return ptr; } -template <typename Ptr> inline auto qGetPtrHelper(const Ptr &ptr) -> decltype(ptr.operator->()) { return ptr.operator->(); } +template <typename Ptr> inline auto qGetPtrHelper(Ptr &ptr) -> decltype(ptr.operator->()) { return ptr.operator->(); } // The body must be a statement: #define Q_CAST_IGNORE_ALIGN(body) QT_WARNING_PUSH QT_WARNING_DISABLE_GCC("-Wcast-align") body QT_WARNING_POP @@ -1130,11 +1202,11 @@ template <typename... Args> struct QNonConstOverload { template <typename R, typename T> - Q_DECL_CONSTEXPR auto operator()(R (T::*ptr)(Args...)) const Q_DECL_NOTHROW -> decltype(ptr) + Q_DECL_CONSTEXPR auto operator()(R (T::*ptr)(Args...)) const noexcept -> decltype(ptr) { return ptr; } template <typename R, typename T> - static Q_DECL_CONSTEXPR auto of(R (T::*ptr)(Args...)) Q_DECL_NOTHROW -> decltype(ptr) + static Q_DECL_CONSTEXPR auto of(R (T::*ptr)(Args...)) noexcept -> decltype(ptr) { return ptr; } }; @@ -1142,11 +1214,11 @@ template <typename... Args> struct QConstOverload { template <typename R, typename T> - Q_DECL_CONSTEXPR auto operator()(R (T::*ptr)(Args...) const) const Q_DECL_NOTHROW -> decltype(ptr) + Q_DECL_CONSTEXPR auto operator()(R (T::*ptr)(Args...) const) const noexcept -> decltype(ptr) { return ptr; } template <typename R, typename T> - static Q_DECL_CONSTEXPR auto of(R (T::*ptr)(Args...) const) Q_DECL_NOTHROW -> decltype(ptr) + static Q_DECL_CONSTEXPR auto of(R (T::*ptr)(Args...) const) noexcept -> decltype(ptr) { return ptr; } }; @@ -1159,11 +1231,11 @@ struct QOverload : QConstOverload<Args...>, QNonConstOverload<Args...> using QNonConstOverload<Args...>::operator(); template <typename R> - Q_DECL_CONSTEXPR auto operator()(R (*ptr)(Args...)) const Q_DECL_NOTHROW -> decltype(ptr) + Q_DECL_CONSTEXPR auto operator()(R (*ptr)(Args...)) const noexcept -> decltype(ptr) { return ptr; } template <typename R> - static Q_DECL_CONSTEXPR auto of(R (*ptr)(Args...)) Q_DECL_NOTHROW -> decltype(ptr) + static Q_DECL_CONSTEXPR auto of(R (*ptr)(Args...)) noexcept -> decltype(ptr) { return ptr; } }; @@ -1184,9 +1256,9 @@ Q_CORE_EXPORT QString qEnvironmentVariable(const char *varName, const QString &d Q_CORE_EXPORT bool qputenv(const char *varName, const QByteArray& value); Q_CORE_EXPORT bool qunsetenv(const char *varName); -Q_CORE_EXPORT bool qEnvironmentVariableIsEmpty(const char *varName) Q_DECL_NOEXCEPT; -Q_CORE_EXPORT bool qEnvironmentVariableIsSet(const char *varName) Q_DECL_NOEXCEPT; -Q_CORE_EXPORT int qEnvironmentVariableIntValue(const char *varName, bool *ok=nullptr) Q_DECL_NOEXCEPT; +Q_CORE_EXPORT bool qEnvironmentVariableIsEmpty(const char *varName) noexcept; +Q_CORE_EXPORT bool qEnvironmentVariableIsSet(const char *varName) noexcept; +Q_CORE_EXPORT int qEnvironmentVariableIntValue(const char *varName, bool *ok=nullptr) noexcept; inline int qIntCast(double f) { return int(f); } inline int qIntCast(float f) { return int(f); } diff --git a/src/corelib/global/qglobalstatic.h b/src/corelib/global/qglobalstatic.h index 555bdf04c1..e56fe1dbcb 100644 --- a/src/corelib/global/qglobalstatic.h +++ b/src/corelib/global/qglobalstatic.h @@ -79,16 +79,16 @@ enum GuardValues { Q_GLOBAL_STATIC_INTERNAL_DECORATION Type *innerFunction() \ { \ struct HolderBase { \ - ~HolderBase() Q_DECL_NOTHROW \ - { if (guard.load() == QtGlobalStatic::Initialized) \ - guard.store(QtGlobalStatic::Destroyed); } \ + ~HolderBase() noexcept \ + { if (guard.loadRelaxed() == QtGlobalStatic::Initialized) \ + guard.storeRelaxed(QtGlobalStatic::Destroyed); } \ }; \ static struct Holder : public HolderBase { \ Type value; \ Holder() \ - Q_DECL_NOEXCEPT_EXPR(noexcept(Type ARGS)) \ + noexcept(noexcept(Type ARGS)) \ : value ARGS \ - { guard.store(QtGlobalStatic::Initialized); } \ + { guard.storeRelaxed(QtGlobalStatic::Initialized); } \ } holder; \ return &holder.value; \ } @@ -98,6 +98,7 @@ enum GuardValues { QT_END_NAMESPACE #include <QtCore/qmutex.h> +#include <mutex> QT_BEGIN_NAMESPACE #define Q_GLOBAL_STATIC_INTERNAL(ARGS) \ @@ -107,13 +108,13 @@ QT_BEGIN_NAMESPACE static QBasicMutex mutex; \ int x = guard.loadAcquire(); \ if (Q_UNLIKELY(x >= QtGlobalStatic::Uninitialized)) { \ - QMutexLocker locker(&mutex); \ - if (guard.load() == QtGlobalStatic::Uninitialized) { \ + const std::lock_guard<QBasicMutex> locker(mutex); \ + if (guard.loadRelaxed() == QtGlobalStatic::Uninitialized) { \ d = new Type ARGS; \ static struct Cleanup { \ ~Cleanup() { \ delete d; \ - guard.store(QtGlobalStatic::Destroyed); \ + guard.storeRelaxed(QtGlobalStatic::Destroyed); \ } \ } cleanup; \ guard.storeRelease(QtGlobalStatic::Initialized); \ @@ -129,10 +130,10 @@ struct QGlobalStatic { typedef T Type; - bool isDestroyed() const { return guard.load() <= QtGlobalStatic::Destroyed; } - bool exists() const { return guard.load() == QtGlobalStatic::Initialized; } - operator Type *() { if (isDestroyed()) return 0; return innerFunction(); } - Type *operator()() { if (isDestroyed()) return 0; return innerFunction(); } + bool isDestroyed() const { return guard.loadRelaxed() <= QtGlobalStatic::Destroyed; } + bool exists() const { return guard.loadRelaxed() == QtGlobalStatic::Initialized; } + operator Type *() { if (isDestroyed()) return nullptr; return innerFunction(); } + Type *operator()() { if (isDestroyed()) return nullptr; return innerFunction(); } Type *operator->() { Q_ASSERT_X(!isDestroyed(), "Q_GLOBAL_STATIC", "The global static was used after being destroyed"); diff --git a/src/corelib/global/qhooks.cpp b/src/corelib/global/qhooks.cpp index bbddb1cbf1..79f9b7d6c2 100644 --- a/src/corelib/global/qhooks.cpp +++ b/src/corelib/global/qhooks.cpp @@ -67,7 +67,7 @@ quintptr Q_CORE_EXPORT qtHookData[] = { // The required sizes and offsets are tested in tests/auto/other/toolsupport. // When this fails and the change was intentional, adjust the test and // adjust this value here. - 16 + 18 }; Q_STATIC_ASSERT(QHooks::LastHookIndex == sizeof(qtHookData) / sizeof(qtHookData[0])); diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp index f2ada4ab30..8bcf67e73d 100644 --- a/src/corelib/global/qlibraryinfo.cpp +++ b/src/corelib/global/qlibraryinfo.cpp @@ -55,15 +55,24 @@ QT_END_NAMESPACE # include "qcoreapplication.h" #endif +#ifndef QT_BUILD_QMAKE_BOOTSTRAP +# include "private/qglobal_p.h" +# include "qconfig.cpp" +#endif + #ifdef Q_OS_DARWIN # include "private/qcore_mac_p.h" -#endif +#endif // Q_OS_DARWIN -#ifndef QT_BUILD_QMAKE_BOOTSTRAP -# include "qconfig.cpp" +#include "archdetect.cpp" + +#if !defined(QT_BUILD_QMAKE) && QT_CONFIG(relocatable) && QT_CONFIG(dlopen) && !QT_CONFIG(framework) +# include <dlfcn.h> #endif -#include "archdetect.cpp" +#if !defined(QT_BUILD_QMAKE) && QT_CONFIG(relocatable) && defined(Q_OS_WIN) +# include <qt_windows.h> +#endif QT_BEGIN_NAMESPACE @@ -352,7 +361,7 @@ QLibraryInfo::buildDate() \since 5.3 */ -const char *QLibraryInfo::build() Q_DECL_NOTHROW +const char *QLibraryInfo::build() noexcept { return QT_BUILD_STR; } @@ -379,7 +388,7 @@ QLibraryInfo::isDebugBuild() \sa qVersion() */ -QVersionNumber QLibraryInfo::version() Q_DECL_NOTHROW +QVersionNumber QLibraryInfo::version() noexcept { return QVersionNumber(QT_VERSION_MAJOR, QT_VERSION_MINOR, QT_VERSION_PATCH); } @@ -453,6 +462,180 @@ void QLibraryInfo::sysrootify(QString *path) } #endif // QT_BUILD_QMAKE +#ifndef QT_BUILD_QMAKE +static QString prefixFromAppDirHelper() +{ + QString appDir; + + if (QCoreApplication::instance()) { +#ifdef Q_OS_DARWIN + CFBundleRef bundleRef = CFBundleGetMainBundle(); + if (bundleRef) { + QCFType<CFURLRef> urlRef = CFBundleCopyBundleURL(bundleRef); + if (urlRef) { + QCFString path = CFURLCopyFileSystemPath(urlRef, kCFURLPOSIXPathStyle); +#ifdef Q_OS_MACOS + QString bundleContentsDir = QString(path) + QLatin1String("/Contents/"); + if (QDir(bundleContentsDir).exists()) + return QDir::cleanPath(bundleContentsDir); +#else + return QDir::cleanPath(QString(path)); // iOS +#endif // Q_OS_MACOS + } + } +#endif // Q_OS_DARWIN + // We make the prefix path absolute to the executable's directory. + appDir = QCoreApplication::applicationDirPath(); + } else { + appDir = QDir::currentPath(); + } + + return appDir; +} +#endif + +#if !defined(QT_BUILD_QMAKE) && QT_CONFIG(relocatable) +#if !defined(QT_STATIC) && !(defined(Q_OS_DARWIN) && QT_CONFIG(framework)) \ + && (QT_CONFIG(dlopen) || defined(Q_OS_WIN)) +static QString prefixFromQtCoreLibraryHelper(const QString &qtCoreLibraryPath) +{ + const QString qtCoreLibrary = QDir::fromNativeSeparators(qtCoreLibraryPath); + const QString libDir = QFileInfo(qtCoreLibrary).absolutePath(); + const QString prefixDir = libDir + QLatin1Char('/') + + QLatin1String(QT_CONFIGURE_LIBLOCATION_TO_PREFIX_PATH); + return QDir::cleanPath(prefixDir); +} +#endif + +#if defined(Q_OS_WIN) +#if defined(Q_OS_WINRT) +EXTERN_C IMAGE_DOS_HEADER __ImageBase; +static HMODULE getWindowsModuleHandle() +{ + return reinterpret_cast<HMODULE>(&__ImageBase); +} +#else // Q_OS_WINRT +static HMODULE getWindowsModuleHandle() +{ + HMODULE hModule = NULL; + GetModuleHandleEx( + GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, + (LPCTSTR)&QLibraryInfo::isDebugBuild, &hModule); + return hModule; +} +#endif // !Q_OS_WINRT +#endif // Q_OS_WIN + +static QString getRelocatablePrefix() +{ + QString prefixPath; + + // For static builds, the prefix will be the app directory. + // For regular builds, the prefix will be relative to the location of the QtCore shared library. +#if defined(QT_STATIC) + prefixPath = prefixFromAppDirHelper(); +#elif defined(Q_OS_DARWIN) && QT_CONFIG(framework) + CFBundleRef qtCoreBundle = CFBundleGetBundleWithIdentifier( + CFSTR("org.qt-project.QtCore")); + Q_ASSERT(qtCoreBundle); + + QCFType<CFURLRef> qtCorePath = CFBundleCopyBundleURL(qtCoreBundle); + Q_ASSERT(qtCorePath); + + QCFType<CFURLRef> qtCorePathAbsolute = CFURLCopyAbsoluteURL(qtCorePath); + Q_ASSERT(qtCorePathAbsolute); + + QCFType<CFURLRef> libDirCFPath = CFURLCreateCopyDeletingLastPathComponent(NULL, qtCorePathAbsolute); + + const QCFString libDirCFString = CFURLCopyFileSystemPath(libDirCFPath, kCFURLPOSIXPathStyle); + + const QString prefixDir = QString(libDirCFString) + QLatin1Char('/') + + QLatin1String(QT_CONFIGURE_LIBLOCATION_TO_PREFIX_PATH); + + prefixPath = QDir::cleanPath(prefixDir); +#elif QT_CONFIG(dlopen) + Dl_info info; + int result = dladdr(reinterpret_cast<void *>(&QLibraryInfo::isDebugBuild), &info); + if (result > 0 && info.dli_fname) + prefixPath = prefixFromQtCoreLibraryHelper(QString::fromLatin1(info.dli_fname)); +#elif defined(Q_OS_WIN) + HMODULE hModule = getWindowsModuleHandle(); + const int kBufferSize = 4096; + wchar_t buffer[kBufferSize]; + const int pathSize = GetModuleFileName(hModule, buffer, kBufferSize); + if (pathSize > 0) + prefixPath = prefixFromQtCoreLibraryHelper(QString::fromWCharArray(buffer, pathSize)); +#else +#error "The chosen platform / config does not support querying for a dynamic prefix." +#endif + +#if defined(Q_OS_LINUX) && !defined(QT_STATIC) && defined(__GLIBC__) + // QTBUG-78948: libQt5Core.so may be located in subdirectories below libdir. + // See "Hardware capabilities" in the ld.so documentation and the Qt 5.3.0 + // changelog regarding SSE2 support. + const QString libdir = QString::fromLatin1( + qt_configure_strs + qt_configure_str_offsets[QLibraryInfo::LibrariesPath - 1]); + QDir prefixDir(prefixPath); + while (!prefixDir.exists(libdir)) { + prefixDir.cdUp(); + prefixPath = prefixDir.absolutePath(); + if (prefixDir.isRoot()) { + prefixPath.clear(); + break; + } + } +#endif + + Q_ASSERT_X(!prefixPath.isEmpty(), "getRelocatablePrefix", + "Failed to find the Qt prefix path."); + return prefixPath; +} +#endif + +#if defined(QT_BUILD_QMAKE) && !defined(QT_BUILD_QMAKE_BOOTSTRAP) +QString qmake_abslocation(); + +static QString getPrefixFromHostBinDir(const char *hostBinDirToPrefixPath) +{ + const QFileInfo qmfi = QFileInfo(qmake_abslocation()).canonicalFilePath(); + return QDir::cleanPath(qmfi.absolutePath() + QLatin1Char('/') + + QLatin1String(hostBinDirToPrefixPath)); +} + +static QString getExtPrefixFromHostBinDir() +{ + return getPrefixFromHostBinDir(QT_CONFIGURE_HOSTBINDIR_TO_EXTPREFIX_PATH); +} + +static QString getHostPrefixFromHostBinDir() +{ + return getPrefixFromHostBinDir(QT_CONFIGURE_HOSTBINDIR_TO_HOSTPREFIX_PATH); +} +#endif + +#ifndef QT_BUILD_QMAKE_BOOTSTRAP +static const char *getPrefix( +#ifdef QT_BUILD_QMAKE + QLibraryInfo::PathGroup group +#endif + ) +{ +#if defined(QT_BUILD_QMAKE) +# if QT_CONFIGURE_CROSSBUILD + if (group == QLibraryInfo::DevicePaths) + return QT_CONFIGURE_PREFIX_PATH; +# endif + static QByteArray extPrefixPath = getExtPrefixFromHostBinDir().toLatin1(); + return extPrefixPath.constData(); +#elif QT_CONFIG(relocatable) + static QByteArray prefixPath = getRelocatablePrefix().toLatin1(); + return prefixPath.constData(); +#else + return QT_CONFIGURE_PREFIX_PATH; +#endif +} +#endif // QT_BUILD_QMAKE_BOOTSTRAP + /*! Returns the location specified by \a loc. */ @@ -564,12 +747,11 @@ QLibraryInfo::rawLocation(LibraryLocation loc, PathGroup group) if (!fromConf) { const char * volatile path = 0; if (loc == PrefixPath) { - path = -# ifdef QT_BUILD_QMAKE - (group != DevicePaths) ? - QT_CONFIGURE_EXT_PREFIX_PATH : -# endif - QT_CONFIGURE_PREFIX_PATH; + path = getPrefix( +#ifdef QT_BUILD_QMAKE + group +#endif + ); } else if (unsigned(loc) <= sizeof(qt_configure_str_offsets)/sizeof(qt_configure_str_offsets[0])) { path = qt_configure_strs + qt_configure_str_offsets[loc - 1]; #ifndef Q_OS_WIN // On Windows we use the registry @@ -578,7 +760,8 @@ QLibraryInfo::rawLocation(LibraryLocation loc, PathGroup group) #endif # ifdef QT_BUILD_QMAKE } else if (loc == HostPrefixPath) { - path = QT_CONFIGURE_HOST_PREFIX_PATH; + static const QByteArray hostPrefixPath = getHostPrefixFromHostBinDir().toLatin1(); + path = hostPrefixPath.constData(); # endif } @@ -612,28 +795,7 @@ QLibraryInfo::rawLocation(LibraryLocation loc, PathGroup group) } #else if (loc == PrefixPath) { - if (QCoreApplication::instance()) { -#ifdef Q_OS_DARWIN - CFBundleRef bundleRef = CFBundleGetMainBundle(); - if (bundleRef) { - QCFType<CFURLRef> urlRef = CFBundleCopyBundleURL(bundleRef); - if (urlRef) { - QCFString path = CFURLCopyFileSystemPath(urlRef, kCFURLPOSIXPathStyle); -#ifdef Q_OS_OSX - QString bundleContentsDir = QString(path) + QLatin1String("/Contents/"); - if (QDir(bundleContentsDir).exists()) - return QDir::cleanPath(bundleContentsDir + ret); -#else - return QDir::cleanPath(QString(path) + QLatin1Char('/') + ret); // iOS -#endif // Q_OS_OSX - } - } -#endif // Q_OS_DARWIN - // We make the prefix path absolute to the executable's directory. - baseDir = QCoreApplication::applicationDirPath(); - } else { - baseDir = QDir::currentPath(); - } + baseDir = prefixFromAppDirHelper(); } else { // we make any other path absolute to the prefix directory baseDir = location(PrefixPath); @@ -732,11 +894,6 @@ void qt_core_boilerplate() QT_PREPEND_NAMESPACE(qDumpCPUFeatures)(); -#ifdef QT_EVAL - extern void qt_core_eval_init(QCoreApplicationPrivate::Type); - qt_core_eval_init(QCoreApplicationPrivate::Tty); -#endif - exit(0); } diff --git a/src/corelib/global/qlibraryinfo.h b/src/corelib/global/qlibraryinfo.h index 9414af9b7d..ed60b170a5 100644 --- a/src/corelib/global/qlibraryinfo.h +++ b/src/corelib/global/qlibraryinfo.h @@ -62,12 +62,12 @@ public: #endif // QT_DEPRECATED_SINCE(5, 5) #endif // datestring - static const char * build() Q_DECL_NOTHROW; + static const char * build() noexcept; static bool isDebugBuild(); #ifndef QT_BOOTSTRAPPED - static QVersionNumber version() Q_DECL_NOTHROW Q_DECL_CONST_FUNCTION; + static QVersionNumber version() noexcept Q_DECL_CONST_FUNCTION; #endif enum LibraryLocation diff --git a/src/corelib/global/qlogging.cpp b/src/corelib/global/qlogging.cpp index 0a2c1961cb..17f2246082 100644 --- a/src/corelib/global/qlogging.cpp +++ b/src/corelib/global/qlogging.cpp @@ -44,10 +44,12 @@ #include "qlogging_p.h" #include "qlist.h" #include "qbytearray.h" +#include "qscopeguard.h" #include "qstring.h" #include "qvarlengtharray.h" #include "qdebug.h" #include "qmutex.h" +#include <QtCore/private/qlocking_p.h> #include "qloggingcategory.h" #ifndef QT_BOOTSTRAPPED #include "qelapsedtimer.h" @@ -158,6 +160,9 @@ static QT_PREPEND_NAMESPACE(qint64) qt_gettid() #endif // !QT_BOOTSTRAPPED #include <cstdlib> +#include <algorithm> +#include <memory> +#include <vector> #include <stdio.h> @@ -194,7 +199,7 @@ static bool isFatal(QtMsgType msgType) // it's fatal if the current value is exactly 1, // otherwise decrement if it's non-zero - return fatalCriticals.load() && fatalCriticals.fetchAndAddRelaxed(-1) == 1; + return fatalCriticals.loadRelaxed() && fatalCriticals.fetchAndAddRelaxed(-1) == 1; } if (msgType == QtWarningMsg || msgType == QtCriticalMsg) { @@ -202,7 +207,7 @@ static bool isFatal(QtMsgType msgType) // it's fatal if the current value is exactly 1, // otherwise decrement if it's non-zero - return fatalWarnings.load() && fatalWarnings.fetchAndAddRelaxed(-1) == 1; + return fatalWarnings.loadRelaxed() && fatalWarnings.fetchAndAddRelaxed(-1) == 1; } return false; @@ -347,7 +352,7 @@ using namespace QtPrivate; */ #if defined(Q_CC_MSVC) && defined(QT_DEBUG) && defined(_DEBUG) && defined(_CRT_ERROR) -static inline void convert_to_wchar_t_elided(wchar_t *d, size_t space, const char *s) Q_DECL_NOEXCEPT +static inline void convert_to_wchar_t_elided(wchar_t *d, size_t space, const char *s) noexcept { size_t len = qstrlen(s); if (len + 1 > space) { @@ -439,7 +444,7 @@ void QMessageLogger::debug(const QLoggingCategory &cat, const char *msg, ...) co return; QMessageLogContext ctxt; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); va_list ap; @@ -466,7 +471,7 @@ void QMessageLogger::debug(QMessageLogger::CategoryFunction catFunc, return; QMessageLogContext ctxt; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); va_list ap; @@ -489,7 +494,7 @@ QDebug QMessageLogger::debug() const { QDebug dbg = QDebug(QtDebugMsg); QMessageLogContext &ctxt = dbg.stream->context; - ctxt.copy(context); + ctxt.copyContextFrom(context); return dbg; } @@ -506,7 +511,7 @@ QDebug QMessageLogger::debug(const QLoggingCategory &cat) const dbg.stream->message_output = false; QMessageLogContext &ctxt = dbg.stream->context; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); return dbg; @@ -530,7 +535,7 @@ QDebug QMessageLogger::debug(QMessageLogger::CategoryFunction catFunc) const \sa QNoDebug, qDebug() */ -QNoDebug QMessageLogger::noDebug() const Q_DECL_NOTHROW +QNoDebug QMessageLogger::noDebug() const noexcept { return QNoDebug(); } @@ -550,7 +555,7 @@ void QMessageLogger::info(const QLoggingCategory &cat, const char *msg, ...) con return; QMessageLogContext ctxt; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); va_list ap; @@ -577,7 +582,7 @@ void QMessageLogger::info(QMessageLogger::CategoryFunction catFunc, return; QMessageLogContext ctxt; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); va_list ap; @@ -601,7 +606,7 @@ QDebug QMessageLogger::info() const { QDebug dbg = QDebug(QtInfoMsg); QMessageLogContext &ctxt = dbg.stream->context; - ctxt.copy(context); + ctxt.copyContextFrom(context); return dbg; } @@ -618,7 +623,7 @@ QDebug QMessageLogger::info(const QLoggingCategory &cat) const dbg.stream->message_output = false; QMessageLogContext &ctxt = dbg.stream->context; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); return dbg; @@ -668,7 +673,7 @@ void QMessageLogger::warning(const QLoggingCategory &cat, const char *msg, ...) return; QMessageLogContext ctxt; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); va_list ap; @@ -695,7 +700,7 @@ void QMessageLogger::warning(QMessageLogger::CategoryFunction catFunc, return; QMessageLogContext ctxt; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); va_list ap; @@ -717,7 +722,7 @@ QDebug QMessageLogger::warning() const { QDebug dbg = QDebug(QtWarningMsg); QMessageLogContext &ctxt = dbg.stream->context; - ctxt.copy(context); + ctxt.copyContextFrom(context); return dbg; } @@ -733,7 +738,7 @@ QDebug QMessageLogger::warning(const QLoggingCategory &cat) const dbg.stream->message_output = false; QMessageLogContext &ctxt = dbg.stream->context; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); return dbg; @@ -784,7 +789,7 @@ void QMessageLogger::critical(const QLoggingCategory &cat, const char *msg, ...) return; QMessageLogContext ctxt; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); va_list ap; @@ -811,7 +816,7 @@ void QMessageLogger::critical(QMessageLogger::CategoryFunction catFunc, return; QMessageLogContext ctxt; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); va_list ap; @@ -833,7 +838,7 @@ QDebug QMessageLogger::critical() const { QDebug dbg = QDebug(QtCriticalMsg); QMessageLogContext &ctxt = dbg.stream->context; - ctxt.copy(context); + ctxt.copyContextFrom(context); return dbg; } @@ -850,7 +855,7 @@ QDebug QMessageLogger::critical(const QLoggingCategory &cat) const dbg.stream->message_output = false; QMessageLogContext &ctxt = dbg.stream->context; - ctxt.copy(context); + ctxt.copyContextFrom(context); ctxt.category = cat.categoryName(); return dbg; @@ -876,7 +881,7 @@ QDebug QMessageLogger::critical(QMessageLogger::CategoryFunction catFunc) const \sa qFatal() */ -void QMessageLogger::fatal(const char *msg, ...) const Q_DECL_NOTHROW +void QMessageLogger::fatal(const char *msg, ...) const noexcept { QString message; @@ -1076,8 +1081,8 @@ struct QMessagePattern { void setPattern(const QString &pattern); // 0 terminated arrays of literal tokens / literal or placeholder tokens - const char **literals; - const char **tokens; + std::unique_ptr<std::unique_ptr<const char[]>[]> literals; + std::unique_ptr<const char*[]> tokens; QList<QString> timeArgs; // timeFormats in sequence of %{time #ifndef QT_BOOTSTRAPPED QElapsedTimer timer; @@ -1100,9 +1105,6 @@ Q_DECLARE_TYPEINFO(QMessagePattern::BacktraceParams, Q_MOVABLE_TYPE); QBasicMutex QMessagePattern::mutex; QMessagePattern::QMessagePattern() - : literals(0) - , tokens(0) - , fromEnvironment(false) { #ifndef QT_BOOTSTRAPPED timer.start(); @@ -1110,6 +1112,7 @@ QMessagePattern::QMessagePattern() const QString envPattern = QString::fromLocal8Bit(qgetenv("QT_MESSAGE_PATTERN")); if (envPattern.isEmpty()) { setPattern(QLatin1String(defaultPattern)); + fromEnvironment = false; } else { setPattern(envPattern); fromEnvironment = true; @@ -1117,23 +1120,10 @@ QMessagePattern::QMessagePattern() } QMessagePattern::~QMessagePattern() -{ - for (int i = 0; literals[i]; ++i) - delete [] literals[i]; - delete [] literals; - literals = 0; - delete [] tokens; - tokens = 0; -} + = default; void QMessagePattern::setPattern(const QString &pattern) { - if (literals) { - for (int i = 0; literals[i]; ++i) - delete [] literals[i]; - delete [] literals; - } - delete [] tokens; timeArgs.clear(); #ifdef QLOGGING_HAVE_BACKTRACE backtraceArgs.clear(); @@ -1171,9 +1161,9 @@ void QMessagePattern::setPattern(const QString &pattern) lexemes.append(lexeme); // tokenizer - QVarLengthArray<const char*> literalsVar; - tokens = new const char*[lexemes.size() + 1]; - tokens[lexemes.size()] = 0; + std::vector<std::unique_ptr<const char[]>> literalsVar; + tokens.reset(new const char*[lexemes.size() + 1]); + tokens[lexemes.size()] = nullptr; bool nestedIfError = false; bool inIf = false; @@ -1267,7 +1257,7 @@ void QMessagePattern::setPattern(const QString &pattern) char *literal = new char[lexeme.size() + 1]; strncpy(literal, lexeme.toLatin1().constData(), lexeme.size()); literal[lexeme.size()] = '\0'; - literalsVar.append(literal); + literalsVar.emplace_back(literal); tokens[i] = literal; } } @@ -1279,9 +1269,8 @@ void QMessagePattern::setPattern(const QString &pattern) if (!error.isEmpty()) qt_message_print(error); - literals = new const char*[literalsVar.size() + 1]; - literals[literalsVar.size()] = 0; - memcpy(literals, literalsVar.constData(), literalsVar.size() * sizeof(const char*)); + literals.reset(new std::unique_ptr<const char[]>[literalsVar.size() + 1]); + std::move(literalsVar.begin(), literalsVar.end(), &literals[0]); } #if defined(QLOGGING_HAVE_BACKTRACE) && !defined(QT_BOOTSTRAPPED) @@ -1387,7 +1376,7 @@ QString qFormatLogMessage(QtMsgType type, const QMessageLogContext &context, con { QString message; - QMutexLocker lock(&QMessagePattern::mutex); + const auto locker = qt_scoped_lock(QMessagePattern::mutex); QMessagePattern *pattern = qMessagePattern(); if (!pattern) { @@ -1406,7 +1395,7 @@ QString qFormatLogMessage(QtMsgType type, const QMessageLogContext &context, con #endif // we do not convert file, function, line literals to local encoding due to overhead - for (int i = 0; pattern->tokens[i] != 0; ++i) { + for (int i = 0; pattern->tokens[i]; ++i) { const char *token = pattern->tokens[i]; if (token == endifTokenC) { skip = false; @@ -1826,9 +1815,7 @@ static void qt_message_print(QtMsgType msgType, const QMessageLogContext &contex // prevent recursion in case the message handler generates messages // itself, e.g. by using Qt API if (grabMessageHandler()) { - struct Ungrabber { - ~Ungrabber() { ungrabMessageHandler(); } - } ungrabber; + const auto ungrab = qScopeGuard([]{ ungrabMessageHandler(); }); auto oldStyle = msgHandler.loadAcquire(); auto newStye = messageHandler.loadAcquire(); // prefer new message handler over the old one @@ -2107,7 +2094,7 @@ QtMsgHandler qInstallMsgHandler(QtMsgHandler h) void qSetMessagePattern(const QString &pattern) { - QMutexLocker lock(&QMessagePattern::mutex); + const auto locker = qt_scoped_lock(QMessagePattern::mutex); if (!qMessagePattern()->fromEnvironment) qMessagePattern()->setPattern(pattern); @@ -2115,15 +2102,20 @@ void qSetMessagePattern(const QString &pattern) /*! - Copies context information from \a logContext into this QMessageLogContext + Copies context information from \a logContext into this QMessageLogContext. + Returns a reference to this object. + + Note that the version is \b not copied, only the context information. + \internal */ -void QMessageLogContext::copy(const QMessageLogContext &logContext) +QMessageLogContext &QMessageLogContext::copyContextFrom(const QMessageLogContext &logContext) noexcept { this->category = logContext.category; this->file = logContext.file; this->line = logContext.line; this->function = logContext.function; + return *this; } /*! diff --git a/src/corelib/global/qlogging.h b/src/corelib/global/qlogging.h index dded09999b..4a528a2973 100644 --- a/src/corelib/global/qlogging.h +++ b/src/corelib/global/qlogging.h @@ -63,20 +63,19 @@ class QMessageLogContext { Q_DISABLE_COPY(QMessageLogContext) public: - Q_DECL_CONSTEXPR QMessageLogContext() - : version(2), line(0), file(nullptr), function(nullptr), category(nullptr) {} - Q_DECL_CONSTEXPR QMessageLogContext(const char *fileName, int lineNumber, const char *functionName, const char *categoryName) - : version(2), line(lineNumber), file(fileName), function(functionName), category(categoryName) {} + Q_DECL_CONSTEXPR QMessageLogContext() noexcept = default; + Q_DECL_CONSTEXPR QMessageLogContext(const char *fileName, int lineNumber, const char *functionName, const char *categoryName) noexcept + : line(lineNumber), file(fileName), function(functionName), category(categoryName) {} - void copy(const QMessageLogContext &logContext); - - int version; - int line; - const char *file; - const char *function; - const char *category; + int version = 2; + int line = 0; + const char *file = nullptr; + const char *function = nullptr; + const char *category = nullptr; private: + QMessageLogContext ©ContextFrom(const QMessageLogContext &logContext) noexcept; + friend class QMessageLogger; friend class QDebug; }; @@ -121,7 +120,7 @@ public: Q_NORETURN #endif Q_DECL_COLD_FUNCTION - void fatal(const char *msg, ...) const Q_DECL_NOTHROW Q_ATTRIBUTE_FORMAT_PRINTF(2, 3); + void fatal(const char *msg, ...) const noexcept Q_ATTRIBUTE_FORMAT_PRINTF(2, 3); #ifndef QT_NO_DEBUG_STREAM QDebug debug() const; @@ -137,7 +136,7 @@ public: QDebug critical(const QLoggingCategory &cat) const; QDebug critical(CategoryFunction catFunc) const; - QNoDebug noDebug() const Q_DECL_NOTHROW; + QNoDebug noDebug() const noexcept; #endif // QT_NO_DEBUG_STREAM private: diff --git a/src/corelib/global/qmalloc.cpp b/src/corelib/global/qmalloc.cpp index 05676a0da2..b071c1df62 100644 --- a/src/corelib/global/qmalloc.cpp +++ b/src/corelib/global/qmalloc.cpp @@ -74,18 +74,18 @@ void *qRealloc(void *ptr, size_t size) void *qMallocAligned(size_t size, size_t alignment) { - return qReallocAligned(0, size, 0, alignment); + return qReallocAligned(nullptr, size, 0, alignment); } void *qReallocAligned(void *oldptr, size_t newsize, size_t oldsize, size_t alignment) { // fake an aligned allocation - void *actualptr = oldptr ? static_cast<void **>(oldptr)[-1] : 0; + void *actualptr = oldptr ? static_cast<void **>(oldptr)[-1] : nullptr; if (alignment <= sizeof(void*)) { // special, fast case void **newptr = static_cast<void **>(realloc(actualptr, newsize + sizeof(void*))); if (!newptr) - return 0; + return nullptr; if (newptr == actualptr) { // realloc succeeded without reallocating return oldptr; @@ -105,7 +105,7 @@ void *qReallocAligned(void *oldptr, size_t newsize, size_t oldsize, size_t align void *real = realloc(actualptr, newsize + alignment); if (!real) - return 0; + return nullptr; quintptr faked = reinterpret_cast<quintptr>(real) + alignment; faked &= ~(alignment - 1); diff --git a/src/corelib/global/qfloat16_p.h b/src/corelib/global/qmemory_p.h index f3fc96e119..ac791385bd 100644 --- a/src/corelib/global/qfloat16_p.h +++ b/src/corelib/global/qmemory_p.h @@ -1,7 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2016 by Southwest Research Institute (R) -** Contact: http://www.qt-project.org/legal +** Copyright (C) 2019 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com> +** Contact: http://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** @@ -36,9 +36,8 @@ ** $QT_END_LICENSE$ ** ****************************************************************************/ - -#ifndef QFLOAT16_P_H -#define QFLOAT16_P_H +#ifndef QMEMORY_P_H +#define QMEMORY_P_H // // W A R N I N G @@ -51,45 +50,22 @@ // We mean it. // -#include <QtCore/qfloat16.h> -#include <QtCore/qsysinfo.h> - -QT_BEGIN_NAMESPACE +#include <QtCore/qglobal.h> -static inline bool qt_is_inf(qfloat16 d) Q_DECL_NOTHROW -{ - bool is_inf; - uchar *ch = (uchar *)&d; - if (QSysInfo::ByteOrder == QSysInfo::BigEndian) - is_inf = (ch[0] & 0x7c) == 0x7c && (ch[0] & 0x02) == 0; - else - is_inf = (ch[1] & 0x7c) == 0x7c && (ch[1] & 0x02) == 0; - return is_inf; -} +#include <memory> +#include <type_traits> +#include <utility> -static inline bool qt_is_nan(qfloat16 d) Q_DECL_NOTHROW -{ - bool is_nan; - uchar *ch = (uchar *)&d; - if (QSysInfo::ByteOrder == QSysInfo::BigEndian) - is_nan = (ch[0] & 0x7c) == 0x7c && (ch[0] & 0x02) != 0; - else - is_nan = (ch[1] & 0x7c) == 0x7c && (ch[1] & 0x02) != 0; - return is_nan; -} +QT_BEGIN_NAMESPACE -static inline bool qt_is_finite(qfloat16 d) Q_DECL_NOTHROW +// Like std::make_unique, but less ambitious, so keep as private API, for use in Qt itself: +template <typename T, typename... Args> +typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type +qt_make_unique(Args &&...args) { - bool is_finite; - uchar *ch = (uchar *)&d; - if (QSysInfo::ByteOrder == QSysInfo::BigEndian) - is_finite = (ch[0] & 0x7c) != 0x7c; - else - is_finite = (ch[1] & 0x7c) != 0x7c; - return is_finite; + return std::unique_ptr<T>{new T(std::forward<Args>(args)...)}; } - QT_END_NAMESPACE -#endif // QFLOAT16_P_H +#endif /* QMEMORY_P_H */ diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h index 6488426e64..810c55709c 100644 --- a/src/corelib/global/qnamespace.h +++ b/src/corelib/global/qnamespace.h @@ -50,10 +50,10 @@ QT_BEGIN_NAMESPACE #if !defined(Q_QDOC) && !defined(Q_MOC_RUN) struct QMetaObject; -const QMetaObject *qt_getQtMetaObject() Q_DECL_NOEXCEPT; // defined in qobject.h (which can't be included here) +const QMetaObject *qt_getQtMetaObject() noexcept; // defined in qobject.h (which can't be included here) #define QT_Q_ENUM(ENUM) \ - inline const QMetaObject *qt_getEnumMetaObject(ENUM) Q_DECL_NOEXCEPT { return qt_getQtMetaObject(); } \ - inline Q_DECL_CONSTEXPR const char *qt_getEnumName(ENUM) Q_DECL_NOEXCEPT { return #ENUM; } + inline const QMetaObject *qt_getEnumMetaObject(ENUM) noexcept { return qt_getQtMetaObject(); } \ + inline Q_DECL_CONSTEXPR const char *qt_getEnumName(ENUM) noexcept { return #ENUM; } #define QT_Q_FLAG(ENUM) QT_Q_ENUM(ENUM) #else #define QT_Q_ENUM Q_ENUM @@ -194,6 +194,13 @@ public: DescendingOrder }; + enum SplitBehaviorFlags { + KeepEmptyParts = 0, + SkipEmptyParts = 0x1, + }; + Q_DECLARE_FLAGS(SplitBehavior, SplitBehaviorFlags) + Q_DECLARE_OPERATORS_FOR_FLAGS(SplitBehavior) + enum TileRule { StretchTile, RepeatTile, @@ -351,14 +358,18 @@ public: WA_MouseTracking = 2, WA_ContentsPropagated = 3, // ## deprecated WA_OpaquePaintEvent = 4, - WA_NoBackground = WA_OpaquePaintEvent, // ## deprecated +#if QT_DEPRECATED_SINCE(5, 14) + WA_NoBackground Q_DECL_ENUMERATOR_DEPRECATED = WA_OpaquePaintEvent, +#endif WA_StaticContents = 5, WA_LaidOut = 7, WA_PaintOnScreen = 8, WA_NoSystemBackground = 9, WA_UpdatesDisabled = 10, WA_Mapped = 11, - WA_MacNoClickThrough = 12, // Mac only +#if QT_DEPRECATED_SINCE(5, 14) + WA_MacNoClickThrough Q_DECL_ENUMERATOR_DEPRECATED = 12, +#endif WA_InputMethodEnabled = 14, WA_WState_Visible = 15, WA_WState_Hidden = 16, @@ -376,8 +387,10 @@ public: WA_Moved = 43, WA_PendingUpdate = 44, WA_InvalidSize = 45, - WA_MacBrushedMetal = 46, // Mac only - WA_MacMetalStyle = WA_MacBrushedMetal, // obsolete +#if QT_DEPRECATED_SINCE(5, 14) + WA_MacBrushedMetal Q_DECL_ENUMERATOR_DEPRECATED = 46, + WA_MacMetalStyle Q_DECL_ENUMERATOR_DEPRECATED = 46, +#endif WA_CustomWhatsThis = 47, WA_LayoutOnEntireRect = 48, WA_OutsideWSRange = 49, @@ -434,7 +447,9 @@ public: WA_LayoutUsesWidgetRect = 92, WA_StyledBackground = 93, // internal - WA_MSWindowsUseDirect3D = 94, // Win only +#if QT_DEPRECATED_SINCE(5, 14) + WA_MSWindowsUseDirect3D Q_DECL_ENUMERATOR_DEPRECATED = 94, +#endif WA_CanHostQMdiSubWindowTitleBar = 95, // Internal WA_MacAlwaysShowToolWindow = 96, // Mac only @@ -466,9 +481,9 @@ public: WA_X11NetWmWindowTypeNotification = 114, WA_X11NetWmWindowTypeCombo = 115, WA_X11NetWmWindowTypeDND = 116, - - WA_MacFrameworkScaled = 117, - +#if QT_DEPRECATED_SINCE(5, 14) + WA_MacFrameworkScaled Q_DECL_ENUMERATOR_DEPRECATED = 117, +#endif WA_SetWindowModality = 118, WA_WState_WindowOpacitySet = 119, // internal WA_TranslucentBackground = 120, @@ -495,7 +510,9 @@ public: enum ApplicationAttribute { AA_ImmediateWidgetCreation = 0, - AA_MSWindowsUseDirect3DByDefault = 1, // Win only +#if QT_DEPRECATED_SINCE(5, 14) + AA_MSWindowsUseDirect3DByDefault Q_DECL_ENUMERATOR_DEPRECATED = 1, +#endif AA_DontShowIconsInMenus = 2, AA_NativeWindows = 3, AA_DontCreateNativeWidgetSiblings = 4, @@ -506,7 +523,9 @@ public: AA_DontUseNativeMenuBar = 6, AA_MacDontSwapCtrlAndMeta = 7, AA_Use96Dpi = 8, - AA_X11InitThreads = 10, +#if QT_DEPRECATED_SINCE(5, 14) + AA_X11InitThreads Q_DECL_ENUMERATOR_DEPRECATED = 10, +#endif AA_SynthesizeTouchForUnhandledMouseEvents = 11, AA_SynthesizeMouseForUnhandledTouchEvents = 12, AA_UseHighDpiPixmaps = 13, @@ -527,6 +546,7 @@ public: AA_DontShowShortcutsInContextMenus = 28, AA_CompressTabletEvents = 29, AA_DisableWindowContextHelpButton = 30, // ### Qt 6: remove me + AA_DisableSessionManager = 31, // Add new attributes before this line AA_AttributeCount @@ -1198,7 +1218,8 @@ public: enum TextFormat { PlainText, RichText, - AutoText + AutoText, + MarkdownText }; enum AspectRatioMode { @@ -1379,7 +1400,9 @@ public: enum InputMethodQuery { ImEnabled = 0x1, ImCursorRectangle = 0x2, - ImMicroFocus = 0x2, // deprecated +#if QT_DEPRECATED_SINCE(5, 14) + ImMicroFocus Q_DECL_ENUMERATOR_DEPRECATED = 0x2, +#endif ImFont = 0x4, ImCursorPosition = 0x8, ImSurroundingText = 0x10, @@ -1614,7 +1637,7 @@ public: TitleBarArea // For move }; -#if defined(Q_COMPILER_CLASS_ENUM) && defined(Q_COMPILER_CONSTEXPR) +#if defined(Q_COMPILER_CONSTEXPR) enum class Initialization { Uninitialized }; @@ -1731,6 +1754,15 @@ public: ChecksumItuV41 }; + enum class HighDpiScaleFactorRoundingPolicy { + Unset, + Round, + Ceil, + Floor, + RoundPreferFloor, + PassThrough + }; + #ifndef Q_QDOC // NOTE: Generally, do not add QT_Q_ENUM if a corresponding Q_Q_FLAG exists. QT_Q_ENUM(ScrollBarPolicy) @@ -1757,6 +1789,7 @@ public: QT_Q_FLAG(Alignment) QT_Q_ENUM(TextFlag) QT_Q_FLAG(Orientations) + QT_Q_FLAG(SplitBehavior) QT_Q_FLAG(DropActions) QT_Q_FLAG(Edges) QT_Q_FLAG(DockWidgetAreas) @@ -1816,6 +1849,7 @@ public: QT_Q_ENUM(MouseEventSource) QT_Q_FLAG(MouseEventFlag) QT_Q_ENUM(ChecksumType) + QT_Q_ENUM(HighDpiScaleFactorRoundingPolicy) QT_Q_ENUM(TabFocusBehavior) #endif // Q_DOC diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc index 5bba8c5fe5..cce88782e9 100644 --- a/src/corelib/global/qnamespace.qdoc +++ b/src/corelib/global/qnamespace.qdoc @@ -286,6 +286,13 @@ This value was added in Qt 5.10. In Qt 6, WindowContextHelpButtonHint will not be set by default. + \value AA_DisableSessionManager Disables the QSessionManager. + By default Qt will connect to a running session manager for a GUI + application on supported platforms, use of a session manager may be + redundant for system services. + This attribute must be set before QGuiApplication is constructed. + This value was added in 5.13 + The following values are deprecated or obsolete: \value AA_ImmediateWidgetCreation This attribute is no longer fully @@ -2362,6 +2369,19 @@ */ /*! + \enum Qt::SplitBehaviorFlags + \since 5.14 + + This enum specifies how the split() functions should behave with + respect to empty strings. + + \value KeepEmptyParts If a field is empty, keep it in the result. + \value SkipEmptyParts If a field is empty, don't include it in the result. + + \sa QString::split() +*/ + +/*! \enum Qt::ClipOperation \value NoClip This operation turns clipping off. @@ -2464,6 +2484,9 @@ \value AutoText The text string is interpreted as for Qt::RichText if Qt::mightBeRichText() returns \c true, otherwise as Qt::PlainText. + + \value MarkdownText The text string is interpreted as Markdown-formatted text. + This enum value was added in Qt 5.14. */ /*! @@ -3252,3 +3275,25 @@ \value ChecksumItuV41 Checksum calculation based on ITU-V.41. */ + +/*! + \enum Qt::HighDpiScaleFactorRoundingPolicy + \since 5.14 + + This enum describes the possible High-DPI scale factor rounding policies, which + decide how non-integer scale factors (such as Windows 150%) are handled. + + The active policy is set by calling QGuiApplication::setHighDdpiScaleFactorRoundingPolicy() before + the application object is created, or by setting the QT_SCALE_FACTOR_ROUNDING_POLICY + environment variable. + + \sa QGuiApplication::setHighDpiScaleFactorRoundingPolicy() + \sa AA_EnableHighDpiScaling. + + \omitvalue Unset + \value Round Round up for .5 and above. + \value Ceil Always round up. + \value Floor Always round down. + \value RoundPreferFloor Round up for .75 and above. + \value PassThrough Don't round. +*/ diff --git a/src/corelib/global/qnumeric.cpp b/src/corelib/global/qnumeric.cpp index fc2b052edf..9cb9c1283a 100644 --- a/src/corelib/global/qnumeric.cpp +++ b/src/corelib/global/qnumeric.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2019 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. @@ -46,6 +46,7 @@ QT_BEGIN_NAMESPACE /*! Returns \c true if the double \a {d} is equivalent to infinity. \relates <QtGlobal> + \sa qInf() */ Q_CORE_EXPORT bool qIsInf(double d) { return qt_is_inf(d); } @@ -64,6 +65,7 @@ Q_CORE_EXPORT bool qIsFinite(double d) { return qt_is_finite(d); } /*! Returns \c true if the float \a {f} is equivalent to infinity. \relates <QtGlobal> + \sa qInf() */ Q_CORE_EXPORT bool qIsInf(float f) { return qt_is_inf(f); } @@ -79,24 +81,48 @@ Q_CORE_EXPORT bool qIsNaN(float f) { return qt_is_nan(f); } */ Q_CORE_EXPORT bool qIsFinite(float f) { return qt_is_finite(f); } +#if QT_CONFIG(signaling_nan) /*! Returns the bit pattern of a signalling NaN as a double. \relates <QtGlobal> */ Q_CORE_EXPORT double qSNaN() { return qt_snan(); } +#endif /*! Returns the bit pattern of a quiet NaN as a double. \relates <QtGlobal> + \sa qIsNaN() */ Q_CORE_EXPORT double qQNaN() { return qt_qnan(); } /*! Returns the bit pattern for an infinite number as a double. \relates <QtGlobal> + \sa qIsInf() */ Q_CORE_EXPORT double qInf() { return qt_inf(); } +/*! + \relates <QtGlobal> + Classifies a floating-point value. + + The return values are defined in \c{<cmath>}: returns one of the following, + determined by the floating-point class of \a val: + \list + \li FP_NAN not a number + \li FP_INFINITE infinities (positive or negative) + \li FP_ZERO zero (positive or negative) + \li FP_NORMAL finite with a full mantissa + \li FP_SUBNORMAL finite with a reduced mantissa + \endlist +*/ +Q_CORE_EXPORT int qFpClassify(double val) { return qt_fpclassify(val); } + +/*! + \overload +*/ +Q_CORE_EXPORT int qFpClassify(float val) { return qt_fpclassify(val); } /*! diff --git a/src/corelib/global/qnumeric.h b/src/corelib/global/qnumeric.h index 535a96aaec..2771eea64f 100644 --- a/src/corelib/global/qnumeric.h +++ b/src/corelib/global/qnumeric.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2019 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. @@ -44,14 +44,17 @@ QT_BEGIN_NAMESPACE - Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qIsInf(double d); Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qIsNaN(double d); Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qIsFinite(double d); +Q_CORE_EXPORT Q_DECL_CONST_FUNCTION int qFpClassify(double val); Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qIsInf(float f); Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qIsNaN(float f); Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qIsFinite(float f); +Q_CORE_EXPORT Q_DECL_CONST_FUNCTION int qFpClassify(float val); +#if QT_CONFIG(signaling_nan) Q_CORE_EXPORT Q_DECL_CONST_FUNCTION double qSNaN(); +#endif Q_CORE_EXPORT Q_DECL_CONST_FUNCTION double qQNaN(); Q_CORE_EXPORT Q_DECL_CONST_FUNCTION double qInf(); @@ -59,7 +62,9 @@ Q_CORE_EXPORT quint32 qFloatDistance(float a, float b); Q_CORE_EXPORT quint64 qFloatDistance(double a, double b); #define Q_INFINITY (QT_PREPEND_NAMESPACE(qInf)()) -#define Q_SNAN (QT_PREPEND_NAMESPACE(qSNaN)()) +#if QT_CONFIG(signaling_nan) +# define Q_SNAN (QT_PREPEND_NAMESPACE(qSNaN)()) +#endif #define Q_QNAN (QT_PREPEND_NAMESPACE(qQNaN)()) QT_END_NAMESPACE diff --git a/src/corelib/global/qnumeric_p.h b/src/corelib/global/qnumeric_p.h index 4a225b2599..86e7997680 100644 --- a/src/corelib/global/qnumeric_p.h +++ b/src/corelib/global/qnumeric_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2019 The Qt Company Ltd. ** Copyright (C) 2018 Intel Corporation. ** Contact: https://www.qt.io/licensing/ ** @@ -85,9 +85,11 @@ namespace qnumeric_std_wrapper { Q_DECL_CONST_FUNCTION static inline bool math_h_isnan(double d) { using namespace std; return isnan(d); } Q_DECL_CONST_FUNCTION static inline bool math_h_isinf(double d) { using namespace std; return isinf(d); } Q_DECL_CONST_FUNCTION static inline bool math_h_isfinite(double d) { using namespace std; return isfinite(d); } +Q_DECL_CONST_FUNCTION static inline int math_h_fpclassify(double d) { using namespace std; return fpclassify(d); } Q_DECL_CONST_FUNCTION static inline bool math_h_isnan(float f) { using namespace std; return isnan(f); } Q_DECL_CONST_FUNCTION static inline bool math_h_isinf(float f) { using namespace std; return isinf(f); } Q_DECL_CONST_FUNCTION static inline bool math_h_isfinite(float f) { using namespace std; return isfinite(f); } +Q_DECL_CONST_FUNCTION static inline int math_h_fpclassify(float f) { using namespace std; return fpclassify(f); } } QT_END_NAMESPACE // These macros from math.h conflict with the real functions in the std namespace. @@ -95,6 +97,7 @@ QT_END_NAMESPACE # undef isnan # undef isinf # undef isfinite +# undef fpclassify # endif // defined(isnan) #endif @@ -106,36 +109,41 @@ namespace qnumeric_std_wrapper { Q_DECL_CONST_FUNCTION static inline bool isnan(double d) { return math_h_isnan(d); } Q_DECL_CONST_FUNCTION static inline bool isinf(double d) { return math_h_isinf(d); } Q_DECL_CONST_FUNCTION static inline bool isfinite(double d) { return math_h_isfinite(d); } +Q_DECL_CONST_FUNCTION static inline int fpclassify(double d) { return math_h_fpclassify(d); } Q_DECL_CONST_FUNCTION static inline bool isnan(float f) { return math_h_isnan(f); } Q_DECL_CONST_FUNCTION static inline bool isinf(float f) { return math_h_isinf(f); } Q_DECL_CONST_FUNCTION static inline bool isfinite(float f) { return math_h_isfinite(f); } +Q_DECL_CONST_FUNCTION static inline int fpclassify(float f) { return math_h_fpclassify(f); } #else Q_DECL_CONST_FUNCTION static inline bool isnan(double d) { return std::isnan(d); } Q_DECL_CONST_FUNCTION static inline bool isinf(double d) { return std::isinf(d); } Q_DECL_CONST_FUNCTION static inline bool isfinite(double d) { return std::isfinite(d); } +Q_DECL_CONST_FUNCTION static inline int fpclassify(double d) { return std::fpclassify(d); } Q_DECL_CONST_FUNCTION static inline bool isnan(float f) { return std::isnan(f); } Q_DECL_CONST_FUNCTION static inline bool isinf(float f) { return std::isinf(f); } Q_DECL_CONST_FUNCTION static inline bool isfinite(float f) { return std::isfinite(f); } +Q_DECL_CONST_FUNCTION static inline int fpclassify(float f) { return std::fpclassify(f); } #endif } -Q_DECL_CONSTEXPR Q_DECL_CONST_FUNCTION static inline double qt_inf() Q_DECL_NOEXCEPT +Q_DECL_CONSTEXPR Q_DECL_CONST_FUNCTION static inline double qt_inf() noexcept { Q_STATIC_ASSERT_X(std::numeric_limits<double>::has_infinity, "platform has no definition for infinity for type double"); return std::numeric_limits<double>::infinity(); } -// Signaling NaN -Q_DECL_CONSTEXPR Q_DECL_CONST_FUNCTION static inline double qt_snan() Q_DECL_NOEXCEPT +#if QT_CONFIG(signaling_nan) +Q_DECL_CONSTEXPR Q_DECL_CONST_FUNCTION static inline double qt_snan() noexcept { Q_STATIC_ASSERT_X(std::numeric_limits<double>::has_signaling_NaN, "platform has no definition for signaling NaN for type double"); return std::numeric_limits<double>::signaling_NaN(); } +#endif // Quiet NaN -Q_DECL_CONSTEXPR Q_DECL_CONST_FUNCTION static inline double qt_qnan() Q_DECL_NOEXCEPT +Q_DECL_CONSTEXPR Q_DECL_CONST_FUNCTION static inline double qt_qnan() noexcept { Q_STATIC_ASSERT_X(std::numeric_limits<double>::has_quiet_NaN, "platform has no definition for quiet NaN for type double"); @@ -157,6 +165,11 @@ Q_DECL_CONST_FUNCTION static inline bool qt_is_finite(double d) return qnumeric_std_wrapper::isfinite(d); } +Q_DECL_CONST_FUNCTION static inline int qt_fpclassify(double d) +{ + return qnumeric_std_wrapper::fpclassify(d); +} + Q_DECL_CONST_FUNCTION static inline bool qt_is_inf(float f) { return qnumeric_std_wrapper::isinf(f); @@ -172,6 +185,11 @@ Q_DECL_CONST_FUNCTION static inline bool qt_is_finite(float f) return qnumeric_std_wrapper::isfinite(f); } +Q_DECL_CONST_FUNCTION static inline int qt_fpclassify(float f) +{ + return qnumeric_std_wrapper::fpclassify(f); +} + #ifndef Q_CLANG_QDOC namespace { /*! diff --git a/src/corelib/global/qoperatingsystemversion.cpp b/src/corelib/global/qoperatingsystemversion.cpp index bc6adb54dc..33793ca168 100644 --- a/src/corelib/global/qoperatingsystemversion.cpp +++ b/src/corelib/global/qoperatingsystemversion.cpp @@ -340,7 +340,6 @@ QString QOperatingSystemVersion::name() const } } -#ifdef Q_COMPILER_INITIALIZER_LISTS /*! \fn bool QOperatingSystemVersion::isAnyOfType(std::initializer_list<OSType> types) const @@ -355,7 +354,6 @@ bool QOperatingSystemVersion::isAnyOfType(std::initializer_list<OSType> types) c } return false; } -#endif /*! \variable QOperatingSystemVersion::Windows7 diff --git a/src/corelib/global/qoperatingsystemversion.h b/src/corelib/global/qoperatingsystemversion.h index 89c60c4960..f22878de89 100644 --- a/src/corelib/global/qoperatingsystemversion.h +++ b/src/corelib/global/qoperatingsystemversion.h @@ -120,9 +120,7 @@ public: Q_DECL_CONSTEXPR int segmentCount() const { return m_micro >= 0 ? 3 : m_minor >= 0 ? 2 : m_major >= 0 ? 1 : 0; } -#ifdef Q_COMPILER_INITIALIZER_LISTS bool isAnyOfType(std::initializer_list<OSType> types) const; -#endif Q_DECL_CONSTEXPR OSType type() const { return m_os; } QString name() const; diff --git a/src/corelib/global/qoperatingsystemversion_win.cpp b/src/corelib/global/qoperatingsystemversion_win.cpp index 2da190da48..798d985a76 100644 --- a/src/corelib/global/qoperatingsystemversion_win.cpp +++ b/src/corelib/global/qoperatingsystemversion_win.cpp @@ -84,7 +84,6 @@ static inline OSVERSIONINFOEX determineWinOsVersion() #define pGetModuleHandle GetModuleHandleW #endif -#ifndef Q_OS_WINCE HMODULE ntdll = pGetModuleHandle(L"ntdll.dll"); if (Q_UNLIKELY(!ntdll)) return result; @@ -104,9 +103,6 @@ static inline OSVERSIONINFOEX determineWinOsVersion() // GetVersionEx() has been deprecated in Windows 8.1 and will return // only Windows 8 from that version on, so use the kernel API function. pRtlGetVersion(reinterpret_cast<LPOSVERSIONINFO>(&result)); // always returns STATUS_SUCCESS -#else // !Q_OS_WINCE - GetVersionEx(&result); -#endif return result; } diff --git a/src/corelib/global/qprocessordetection.h b/src/corelib/global/qprocessordetection.h index 1f327c352e..8d65720850 100644 --- a/src/corelib/global/qprocessordetection.h +++ b/src/corelib/global/qprocessordetection.h @@ -282,6 +282,20 @@ // Q_BYTE_ORDER not defined, use endianness auto-detection /* + RISC-V family, known variants: 32- and 64-bit + + RISC-V is little-endian. +*/ +#elif defined(__riscv) +# define Q_PROCESSOR_RISCV +# if __riscv_xlen == 64 +# define Q_PROCESSOR_RISCV_64 +# else +# define Q_PROCESSOR_RISCV_32 +# endif +# define Q_BYTE_ORDER Q_LITTLE_ENDIAN + +/* S390 family, known variant: S390X (64-bit) S390 is big-endian. diff --git a/src/corelib/global/qrandom.cpp b/src/corelib/global/qrandom.cpp index b150a29b88..3cbd40b772 100644 --- a/src/corelib/global/qrandom.cpp +++ b/src/corelib/global/qrandom.cpp @@ -98,7 +98,7 @@ enum { struct QRandomGenerator::SystemGenerator { #if QT_CONFIG(getentropy) - static qsizetype fillBuffer(void *buffer, qsizetype count) Q_DECL_NOTHROW + static qsizetype fillBuffer(void *buffer, qsizetype count) noexcept { // getentropy can read at most 256 bytes, so break the reading qsizetype read = 0; @@ -150,7 +150,7 @@ struct QRandomGenerator::SystemGenerator #endif static void closeDevice() { - int fd = self().fdp1.load() - 1; + int fd = self().fdp1.loadRelaxed() - 1; if (fd >= 0) qt_safe_close(fd); } @@ -168,13 +168,13 @@ struct QRandomGenerator::SystemGenerator } #elif defined(Q_OS_WIN) && !defined(Q_OS_WINRT) - qsizetype fillBuffer(void *buffer, qsizetype count) Q_DECL_NOTHROW + qsizetype fillBuffer(void *buffer, qsizetype count) noexcept { auto RtlGenRandom = SystemFunction036; return RtlGenRandom(buffer, ULONG(count)) ? count: 0; } #elif defined(Q_OS_WINRT) - qsizetype fillBuffer(void *, qsizetype) Q_DECL_NOTHROW + qsizetype fillBuffer(void *, qsizetype) noexcept { // always use the fallback return 0; @@ -183,7 +183,7 @@ struct QRandomGenerator::SystemGenerator static SystemGenerator &self(); typedef quint32 result_type; - void generate(quint32 *begin, quint32 *end) Q_DECL_NOEXCEPT_EXPR(FillBufferNoexcept); + void generate(quint32 *begin, quint32 *end) noexcept(FillBufferNoexcept); // For std::mersenne_twister_engine implementations that use something // other than quint32 (unsigned int) to fill their buffers. @@ -206,7 +206,7 @@ struct QRandomGenerator::SystemGenerator #if defined(Q_OS_WIN) static void fallback_update_seed(unsigned) {} -static void fallback_fill(quint32 *ptr, qsizetype left) Q_DECL_NOTHROW +static void fallback_fill(quint32 *ptr, qsizetype left) noexcept { // on Windows, rand_s is a high-quality random number generator // and it requires no seeding @@ -218,14 +218,14 @@ static void fallback_fill(quint32 *ptr, qsizetype left) Q_DECL_NOTHROW } #elif QT_CONFIG(getentropy) static void fallback_update_seed(unsigned) {} -static void fallback_fill(quint32 *, qsizetype) Q_DECL_NOTHROW +static void fallback_fill(quint32 *, qsizetype) noexcept { // no fallback necessary, getentropy cannot fail under normal circumstances Q_UNREACHABLE(); } #elif defined(Q_OS_BSD4) && !defined(__GLIBC__) static void fallback_update_seed(unsigned) {} -static void fallback_fill(quint32 *ptr, qsizetype left) Q_DECL_NOTHROW +static void fallback_fill(quint32 *ptr, qsizetype left) noexcept { // BSDs have arc4random(4) and these work even in chroot(2) arc4random_buf(ptr, left * sizeof(*ptr)); @@ -244,7 +244,7 @@ Q_NEVER_INLINE #ifdef Q_CC_GNU __attribute__((cold)) // this function is pretty big, so optimize for size #endif -static void fallback_fill(quint32 *ptr, qsizetype left) Q_DECL_NOTHROW +static void fallback_fill(quint32 *ptr, qsizetype left) noexcept { quint32 scratch[12]; // see element count below quint32 *end = scratch; @@ -274,7 +274,7 @@ static void fallback_fill(quint32 *ptr, qsizetype left) Q_DECL_NOTHROW *end++ = quint32(nsecs); // 5 #endif - if (quint32 v = seed.load()) + if (quint32 v = seed.loadRelaxed()) *end++ = v; // 6 #if QT_CONFIG(getauxval) @@ -318,22 +318,22 @@ static void fallback_fill(quint32 *ptr, qsizetype left) Q_DECL_NOTHROW #endif Q_NEVER_INLINE void QRandomGenerator::SystemGenerator::generate(quint32 *begin, quint32 *end) - Q_DECL_NOEXCEPT_EXPR(FillBufferNoexcept) + noexcept(FillBufferNoexcept) { quint32 *buffer = begin; qsizetype count = end - begin; - if (Q_UNLIKELY(uint(qt_randomdevice_control) & SetRandomData)) { - uint value = uint(qt_randomdevice_control) & RandomDataMask; + if (Q_UNLIKELY(uint(qt_randomdevice_control.loadAcquire()) & SetRandomData)) { + uint value = uint(qt_randomdevice_control.loadAcquire()) & RandomDataMask; std::fill_n(buffer, count, value); return; } qsizetype filled = 0; - if (qHasHwrng() && (uint(qt_randomdevice_control) & SkipHWRNG) == 0) + if (qHasHwrng() && (uint(qt_randomdevice_control.loadAcquire()) & SkipHWRNG) == 0) filled += qRandomCpu(buffer, count); - if (filled != count && (uint(qt_randomdevice_control) & SkipSystemRNG) == 0) { + if (filled != count && (uint(qt_randomdevice_control.loadAcquire()) & SkipSystemRNG) == 0) { qsizetype bytesFilled = fillBuffer(buffer + filled, (count - filled) * qsizetype(sizeof(*buffer))); filled += bytesFilled / qsizetype(sizeof(*buffer)); @@ -1139,7 +1139,7 @@ QRandomGenerator &QRandomGenerator::operator=(const QRandomGenerator &other) return *this; } -QRandomGenerator::QRandomGenerator(std::seed_seq &sseq) Q_DECL_NOTHROW +QRandomGenerator::QRandomGenerator(std::seed_seq &sseq) noexcept : type(MersenneTwister) { Q_ASSERT(this != system()); @@ -1194,7 +1194,7 @@ void QRandomGenerator::_fillRange(void *buffer, void *bufferEnd) quint32 *begin = static_cast<quint32 *>(buffer); quint32 *end = static_cast<quint32 *>(bufferEnd); - if (type == SystemRNG || Q_UNLIKELY(uint(qt_randomdevice_control) & (UseSystemRNG|SetRandomData))) + if (type == SystemRNG || Q_UNLIKELY(uint(qt_randomdevice_control.loadAcquire()) & (UseSystemRNG|SetRandomData))) return SystemGenerator::self().generate(begin, end); SystemAndGlobalGenerators::PRNGLocker lock(this); diff --git a/src/corelib/global/qrandom.h b/src/corelib/global/qrandom.h index 260fc1501a..445b520c76 100644 --- a/src/corelib/global/qrandom.h +++ b/src/corelib/global/qrandom.h @@ -68,7 +68,7 @@ public: QRandomGenerator(const quint32 *seedBuffer, qsizetype len) : QRandomGenerator(seedBuffer, seedBuffer + len) {} - Q_CORE_EXPORT QRandomGenerator(std::seed_seq &sseq) Q_DECL_NOTHROW; + Q_CORE_EXPORT QRandomGenerator(std::seed_seq &sseq) noexcept; Q_CORE_EXPORT QRandomGenerator(const quint32 *begin, const quint32 *end); // copy constructor & assignment operator (move unnecessary) @@ -167,7 +167,7 @@ public: typedef quint32 result_type; result_type operator()() { return generate(); } void seed(quint32 s = 1) { *this = { s }; } - void seed(std::seed_seq &sseq) Q_DECL_NOTHROW { *this = { sseq }; } + void seed(std::seed_seq &sseq) noexcept { *this = { sseq }; } Q_CORE_EXPORT void discard(unsigned long long z); static Q_DECL_CONSTEXPR result_type min() { return std::numeric_limits<result_type>::min(); } static Q_DECL_CONSTEXPR result_type max() { return std::numeric_limits<result_type>::max(); } @@ -230,7 +230,7 @@ public: QRandomGenerator64(const quint32 *seedBuffer, qsizetype len) : QRandomGenerator(seedBuffer, len) {} - QRandomGenerator64(std::seed_seq &sseq) Q_DECL_NOTHROW + QRandomGenerator64(std::seed_seq &sseq) noexcept : QRandomGenerator(sseq) {} QRandomGenerator64(const quint32 *begin, const quint32 *end) diff --git a/src/corelib/global/qrandom_p.h b/src/corelib/global/qrandom_p.h index 4a0adff51c..934a9282b8 100644 --- a/src/corelib/global/qrandom_p.h +++ b/src/corelib/global/qrandom_p.h @@ -76,7 +76,9 @@ Q_CORE_EXPORT QBasicAtomicInteger<uint> qt_randomdevice_control = Q_BASIC_ATOMIC #elif defined(QT_BUILD_INTERNAL) extern Q_CORE_EXPORT QBasicAtomicInteger<uint> qt_randomdevice_control; #else -enum { qt_randomdevice_control = 0 }; +static const struct { + uint loadAcquire() const { return 0; } +} qt_randomdevice_control; #endif diff --git a/src/corelib/global/qsystemdetection.h b/src/corelib/global/qsystemdetection.h index 3e38e6790b..a020788b11 100644 --- a/src/corelib/global/qsystemdetection.h +++ b/src/corelib/global/qsystemdetection.h @@ -1,6 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2019 The Qt Company Ltd. +** Copyright (C) 2019 Intel Corporation. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. @@ -166,6 +167,8 @@ # define Q_OS_QNX #elif defined(__INTEGRITY) # define Q_OS_INTEGRITY +#elif defined(__rtems__) +# define Q_OS_RTEMS #elif defined(VXWORKS) /* there is no "real" VxWorks define - this has to be set in the mkspec! */ # define Q_OS_VXWORKS #elif defined(__HAIKU__) @@ -178,6 +181,12 @@ #if defined(Q_OS_WIN32) || defined(Q_OS_WIN64) || defined(Q_OS_WINRT) # define Q_OS_WINDOWS # define Q_OS_WIN +# if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) +// On Windows, pointers to dllimport'ed variables are not constant expressions, +// so to keep to certain initializations (like QMetaObject) constexpr, we need +// to use functions instead. +# define QT_NO_DATA_RELOCATION +# endif #endif #if defined(Q_OS_WIN) diff --git a/src/corelib/global/qtrace_p.h b/src/corelib/global/qtrace_p.h index 4cef126bb6..d9011c6066 100644 --- a/src/corelib/global/qtrace_p.h +++ b/src/corelib/global/qtrace_p.h @@ -122,6 +122,7 @@ QT_BEGIN_NAMESPACE #if defined(Q_TRACEPOINT) && !defined(QT_BOOTSTRAPPED) +# define Q_HAS_TRACEPOINTS 1 # define Q_TRACE(x, ...) QtPrivate::trace_ ## x(__VA_ARGS__) # define Q_TRACE_EXIT(x, ...) \ const auto qTraceExit_ ## x ## __COUNTER__ = qScopeGuard([&]() { Q_TRACE(x, __VA_ARGS__); }); @@ -131,6 +132,7 @@ QT_BEGIN_NAMESPACE # define Q_UNCONDITIONAL_TRACE(x, ...) QtPrivate::do_trace_ ## x(__VA_ARGS__) # define Q_TRACE_ENABLED(x) QtPrivate::trace_ ## x ## _enabled() #else +# define Q_HAS_TRACEPOINTS 0 # define Q_TRACE(x, ...) # define Q_TRACE_EXIT(x, ...) # define Q_TRACE_SCOPE(x, ...) diff --git a/src/corelib/global/qtypeinfo.h b/src/corelib/global/qtypeinfo.h index 567ff5c08e..30be47296e 100644 --- a/src/corelib/global/qtypeinfo.h +++ b/src/corelib/global/qtypeinfo.h @@ -213,7 +213,6 @@ Q_DECLARE_MOVABLE_CONTAINER(QList); Q_DECLARE_MOVABLE_CONTAINER(QVector); Q_DECLARE_MOVABLE_CONTAINER(QQueue); Q_DECLARE_MOVABLE_CONTAINER(QStack); -Q_DECLARE_MOVABLE_CONTAINER(QLinkedList); Q_DECLARE_MOVABLE_CONTAINER(QSet); #undef Q_DECLARE_MOVABLE_CONTAINER @@ -308,7 +307,7 @@ Q_DECLARE_TYPEINFO_BODY(QFlags<T>, Q_PRIMITIVE_TYPE); #define Q_DECLARE_SHARED_IMPL(TYPE, FLAGS) \ Q_DECLARE_TYPEINFO(TYPE, FLAGS); \ inline void swap(TYPE &value1, TYPE &value2) \ - Q_DECL_NOEXCEPT_EXPR(noexcept(value1.swap(value2))) \ + noexcept(noexcept(value1.swap(value2))) \ { value1.swap(value2); } #define Q_DECLARE_SHARED(TYPE) Q_DECLARE_SHARED_IMPL(TYPE, Q_MOVABLE_TYPE) #define Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(TYPE) \ |