wpi::detail::UniqueFunctionBase< ReturnT, ParamTs > Class Template Reference

#include </home/runner/work/allwpilib/allwpilib/wpiutil/src/main/native/thirdparty/llvm/include/wpi/FunctionExtras.h>

Classes
struct	CallbacksHolder
struct	CallbacksHolder< CallableT, CalledAs, EnableIfTrivial< CallableT > >
struct	CalledAs
struct	IsSizeLessThanThresholdT

Public Member Functions
	operator bool () const

Protected Member Functions
NonTrivialCallbacks *	getNonTrivialCallbacks () const
CallPtrT	getCallPtr () const
void *	getCalleePtr () const
void *	getInlineStorage () const
void *	getOutOfLineStorage () const
size_t	getOutOfLineStorageSize () const
size_t	getOutOfLineStorageAlignment () const
void	setOutOfLineStorage (void *Ptr, size_t Size, size_t Alignment)
template<typename CallableT , typename CalledAsT >
	UniqueFunctionBase (CallableT Callable, CalledAs< CalledAsT >)
	~UniqueFunctionBase ()
	UniqueFunctionBase (UniqueFunctionBase &&RHS) noexcept
UniqueFunctionBase &	operator= (UniqueFunctionBase &&RHS) noexcept
	UniqueFunctionBase ()=default

Static Protected Member Functions
template<typename CalledAsT >
static ReturnT	CallImpl (void *CallableAddr, AdjustedParamT< ParamTs >... Params)
template<typename CallableT >
static void	MoveImpl (void *LHSCallableAddr, void *RHSCallableAddr) noexcept
template<typename CallableT >
static void	DestroyImpl (void *CallableAddr) noexcept

Protected Attributes
template<typename T >
struct IsSizeLessThanThresholdT< T, std::enable_if_t< sizeof(T)<=2 *sizeof(void *)> > :std::true_type {};template< typename T > struct AdjustedParamTBase { static_assert(!std::is_reference< T >::value, "references should be handled by template specialization");using type=typename std::conditional< wpi::is_trivially_copy_constructible< T >::value &&wpi::is_trivially_move_constructible< T >::value &&IsSizeLessThanThresholdT< T >::value, T, T & >::type;};template< typename T > struct AdjustedParamTBase< T & > { using type=T &;};template< typename T > struct AdjustedParamTBase< T && > { using type=T &;};template< typename T > using AdjustedParamT=typename AdjustedParamTBase< T >::type;using CallPtrT=ReturnT(*)(void *CallableAddr, AdjustedParamT< ParamTs >... Params);using MovePtrT=void(*)(void *LHSCallableAddr, void *RHSCallableAddr);using DestroyPtrT=void(*)(void *CallableAddr);struct alignas(8) TrivialCallback { CallPtrT CallPtr;};struct alignas(8) NonTrivialCallbacks { CallPtrT CallPtr;MovePtrT MovePtr;DestroyPtrT DestroyPtr;};using CallbackPointerUnionT=PointerUnion< TrivialCallback *, NonTrivialCallbacks * >;union StorageUnionT { struct OutOfLineStorageT { void *StoragePtr;size_t Size;size_t Alignment;} OutOfLineStorage;static_assert(sizeof(OutOfLineStorageT)<=InlineStorageSize, "Should always use all of the out-of-line storage for inline storage!");mutable typename std::aligned_storage< InlineStorageSize, alignof(void *)>::type InlineStorage;} StorageUnion;PointerIntPair< CallbackPointerUnionT, 1, bool > CallbackAndInlineFlag;bool isInlineStorage() const { return CallbackAndInlineFlag.getInt();} bool isTrivialCallback() const { return CallbackAndInlineFlag.getPointer().template is< TrivialCallback * >();} CallPtrT getTrivialCallback() const { return CallbackAndInlineFlag.getPointer().template get< TrivialCallback * >() ->	CallPtr

Static Protected Attributes
static constexpr size_t	InlineStorageSize = sizeof(void *) * 4

Constructor & Destructor Documentation

UniqueFunctionBase() [1/3]

template<typename ReturnT , typename... ParamTs>

template<typename CallableT , typename CalledAsT >

wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::UniqueFunctionBase ( CallableT  Callable, CalledAs< CalledAsT >    )

inlineprotected

~UniqueFunctionBase()

template<typename ReturnT , typename... ParamTs>

wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::~UniqueFunctionBase ( )

inlineprotected

UniqueFunctionBase() [2/3]

template<typename ReturnT , typename... ParamTs>

wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::UniqueFunctionBase ( UniqueFunctionBase< ReturnT, ParamTs > &&  RHS )

inlineprotectednoexcept

UniqueFunctionBase() [3/3]

template<typename ReturnT , typename... ParamTs>

wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::UniqueFunctionBase ( )

protecteddefault

Member Function Documentation

CallImpl()

template<typename ReturnT , typename... ParamTs>

template<typename CalledAsT >

static ReturnT wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::CallImpl ( void *  CallableAddr, AdjustedParamT< ParamTs >...  Params  )

inlinestaticprotected

DestroyImpl()

template<typename ReturnT , typename... ParamTs>

template<typename CallableT >

static void wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::DestroyImpl ( void *  CallableAddr )

inlinestaticprotectednoexcept

getCalleePtr()

template<typename ReturnT , typename... ParamTs>

void * wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::getCalleePtr ( ) const

inlineprotected

getCallPtr()

template<typename ReturnT , typename... ParamTs>

CallPtrT wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::getCallPtr ( ) const

inlineprotected

getInlineStorage()

template<typename ReturnT , typename... ParamTs>

void * wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::getInlineStorage ( ) const

inlineprotected

getNonTrivialCallbacks()

template<typename ReturnT , typename... ParamTs>

NonTrivialCallbacks * wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::getNonTrivialCallbacks ( ) const

inlineprotected

getOutOfLineStorage()

template<typename ReturnT , typename... ParamTs>

void * wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::getOutOfLineStorage ( ) const

inlineprotected

getOutOfLineStorageAlignment()

template<typename ReturnT , typename... ParamTs>

size_t wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::getOutOfLineStorageAlignment ( ) const

inlineprotected

getOutOfLineStorageSize()

template<typename ReturnT , typename... ParamTs>

size_t wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::getOutOfLineStorageSize ( ) const

inlineprotected

MoveImpl()

template<typename ReturnT , typename... ParamTs>

template<typename CallableT >

static void wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::MoveImpl ( void *  LHSCallableAddr, void *  RHSCallableAddr  )

inlinestaticprotectednoexcept

operator bool()

template<typename ReturnT , typename... ParamTs>

wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::operator bool ( ) const

inlineexplicit

operator=()

template<typename ReturnT , typename... ParamTs>

UniqueFunctionBase & wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::operator= ( UniqueFunctionBase< ReturnT, ParamTs > &&  RHS )

inlineprotectednoexcept

setOutOfLineStorage()

template<typename ReturnT , typename... ParamTs>

void wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::setOutOfLineStorage ( void *  Ptr, size_t  Size, size_t  Alignment  )

inlineprotected

Member Data Documentation

CallPtr

template<typename ReturnT , typename... ParamTs>

template<typename T >

struct IsSizeLessThanThresholdT< T, std::enable_if_t< sizeof(T)<=2 *sizeof(void *)> > :std::true_type {}; template< typename T > struct AdjustedParamTBase { static_assert(!std::is_reference< T >::value, "references should be handled by template specialization"); using type=typename std::conditional< wpi::is_trivially_copy_constructible< T >::value && wpi::is_trivially_move_constructible< T >::value && IsSizeLessThanThresholdT< T >::value, T, T & >::type; }; template< typename T > struct AdjustedParamTBase< T & > { using type=T &;}; template< typename T > struct AdjustedParamTBase< T && > { using type=T &;}; template< typename T > using AdjustedParamT=typename AdjustedParamTBase< T >::type; using CallPtrT=ReturnT(*)(void *CallableAddr, AdjustedParamT< ParamTs >... Params); using MovePtrT=void(*)(void *LHSCallableAddr, void *RHSCallableAddr); using DestroyPtrT=void(*)(void *CallableAddr); struct alignas(8) TrivialCallback { CallPtrT CallPtr; }; struct alignas(8) NonTrivialCallbacks { CallPtrT CallPtr; MovePtrT MovePtr; DestroyPtrT DestroyPtr; }; using CallbackPointerUnionT= PointerUnion< TrivialCallback *, NonTrivialCallbacks * >; union StorageUnionT { struct OutOfLineStorageT { void *StoragePtr; size_t Size; size_t Alignment; } OutOfLineStorage; static_assert( sizeof(OutOfLineStorageT)<=InlineStorageSize, "Should always use all of the out-of-line storage for inline storage!"); mutable typename std::aligned_storage< InlineStorageSize, alignof(void *)>::type InlineStorage; } StorageUnion; PointerIntPair< CallbackPointerUnionT, 1, bool > CallbackAndInlineFlag; bool isInlineStorage() const { return CallbackAndInlineFlag.getInt();} bool isTrivialCallback() const { return CallbackAndInlineFlag.getPointer().template is< TrivialCallback * >(); } CallPtrT getTrivialCallback() const { return CallbackAndInlineFlag.getPointer().template get< TrivialCallback * >() -> wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::CallPtr

protected

InlineStorageSize

template<typename ReturnT , typename... ParamTs>

constexpr size_t wpi::detail::UniqueFunctionBase< ReturnT, ParamTs >::InlineStorageSize = sizeof(void *) * 4

staticconstexprprotected

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The documentation for this class was generated from the following file:

• /home/runner/work/allwpilib/allwpilib/wpiutil/src/main/native/thirdparty/llvm/include/wpi/FunctionExtras.h